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-rw-r--r--drivers/s390/block/dasd_eer.c16
-rw-r--r--drivers/s390/block/dasd_proc.c4
-rw-r--r--drivers/s390/char/raw3270.c10
-rw-r--r--drivers/s390/char/sclp.h12
-rw-r--r--drivers/s390/char/sclp_chp.c4
-rw-r--r--drivers/s390/char/sclp_info.c117
-rw-r--r--drivers/s390/char/vmcp.c13
-rw-r--r--drivers/s390/char/vmlogrdr.c4
-rw-r--r--drivers/s390/char/zcore.c5
-rw-r--r--drivers/s390/cio/chp.c12
-rw-r--r--drivers/s390/cio/device.c49
-rw-r--r--drivers/s390/cio/device_fsm.c6
-rw-r--r--drivers/s390/cio/device_id.c22
-rw-r--r--drivers/s390/crypto/ap_bus.c98
-rw-r--r--drivers/s390/crypto/ap_bus.h11
-rw-r--r--drivers/s390/crypto/zcrypt_cex2a.c27
-rw-r--r--drivers/s390/crypto/zcrypt_pcica.c27
-rw-r--r--drivers/s390/crypto/zcrypt_pcicc.c27
-rw-r--r--drivers/s390/crypto/zcrypt_pcixcc.c40
-rw-r--r--drivers/s390/net/claw.c13
-rw-r--r--drivers/s390/net/netiucv.c23
-rw-r--r--drivers/s390/net/qeth_eddp.c3
-rw-r--r--drivers/s390/net/qeth_main.c52
-rw-r--r--drivers/s390/net/qeth_sys.c2
24 files changed, 370 insertions, 227 deletions
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index a1dc8c466ec..0c081a664ee 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -14,9 +14,9 @@
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/poll.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
-#include <asm/semaphore.h>
#include <asm/atomic.h>
#include <asm/ebcdic.h>
@@ -514,7 +514,7 @@ void dasd_eer_disable(struct dasd_device *device)
* to transfer in a readbuffer, which is protected by the readbuffer_mutex.
*/
static char readbuffer[PAGE_SIZE];
-static DECLARE_MUTEX(readbuffer_mutex);
+static DEFINE_MUTEX(readbuffer_mutex);
static int dasd_eer_open(struct inode *inp, struct file *filp)
{
@@ -579,7 +579,7 @@ static ssize_t dasd_eer_read(struct file *filp, char __user *buf,
struct eerbuffer *eerb;
eerb = (struct eerbuffer *) filp->private_data;
- if (down_interruptible(&readbuffer_mutex))
+ if (mutex_lock_interruptible(&readbuffer_mutex))
return -ERESTARTSYS;
spin_lock_irqsave(&bufferlock, flags);
@@ -588,7 +588,7 @@ static ssize_t dasd_eer_read(struct file *filp, char __user *buf,
/* has been deleted */
eerb->residual = 0;
spin_unlock_irqrestore(&bufferlock, flags);
- up(&readbuffer_mutex);
+ mutex_unlock(&readbuffer_mutex);
return -EIO;
} else if (eerb->residual > 0) {
/* OK we still have a second half of a record to deliver */
@@ -602,7 +602,7 @@ static ssize_t dasd_eer_read(struct file *filp, char __user *buf,
if (!tc) {
/* no data available */
spin_unlock_irqrestore(&bufferlock, flags);
- up(&readbuffer_mutex);
+ mutex_unlock(&readbuffer_mutex);
if (filp->f_flags & O_NONBLOCK)
return -EAGAIN;
rc = wait_event_interruptible(
@@ -610,7 +610,7 @@ static ssize_t dasd_eer_read(struct file *filp, char __user *buf,
eerb->head != eerb->tail);
if (rc)
return rc;
- if (down_interruptible(&readbuffer_mutex))
+ if (mutex_lock_interruptible(&readbuffer_mutex))
return -ERESTARTSYS;
spin_lock_irqsave(&bufferlock, flags);
}
@@ -626,11 +626,11 @@ static ssize_t dasd_eer_read(struct file *filp, char __user *buf,
spin_unlock_irqrestore(&bufferlock, flags);
if (copy_to_user(buf, readbuffer, effective_count)) {
- up(&readbuffer_mutex);
+ mutex_unlock(&readbuffer_mutex);
return -EFAULT;
}
- up(&readbuffer_mutex);
+ mutex_unlock(&readbuffer_mutex);
return effective_count;
}
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 8b3b0f4a157..ac7e8ef504c 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -28,6 +28,7 @@ static struct proc_dir_entry *dasd_proc_root_entry = NULL;
static struct proc_dir_entry *dasd_devices_entry = NULL;
static struct proc_dir_entry *dasd_statistics_entry = NULL;
+#ifdef CONFIG_DASD_PROFILE
static char *
dasd_get_user_string(const char __user *user_buf, size_t user_len)
{
@@ -47,6 +48,7 @@ dasd_get_user_string(const char __user *user_buf, size_t user_len)
buffer[user_len] = 0;
return buffer;
}
+#endif /* CONFIG_DASD_PROFILE */
static int
dasd_devices_show(struct seq_file *m, void *v)
@@ -167,6 +169,7 @@ dasd_calc_metrics(char *page, char **start, off_t off,
return len;
}
+#ifdef CONFIG_DASD_PROFILE
static char *
dasd_statistics_array(char *str, unsigned int *array, int shift)
{
@@ -180,6 +183,7 @@ dasd_statistics_array(char *str, unsigned int *array, int shift)
str += sprintf(str,"\n");
return str;
}
+#endif /* CONFIG_DASD_PROFILE */
static int
dasd_statistics_read(char *page, char **start, off_t off,
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index f6ef90ee3e7..743944ad61e 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -487,7 +487,7 @@ struct raw3270_ua { /* Query Reply structure for Usable Area */
} __attribute__ ((packed));
static struct diag210 raw3270_init_diag210;
-static DECLARE_MUTEX(raw3270_init_sem);
+static DEFINE_MUTEX(raw3270_init_mutex);
static int
raw3270_init_irq(struct raw3270_view *view, struct raw3270_request *rq,
@@ -713,7 +713,7 @@ raw3270_size_device(struct raw3270 *rp)
{
int rc;
- down(&raw3270_init_sem);
+ mutex_lock(&raw3270_init_mutex);
rp->view = &raw3270_init_view;
raw3270_init_view.dev = rp;
if (MACHINE_IS_VM)
@@ -722,7 +722,7 @@ raw3270_size_device(struct raw3270 *rp)
rc = __raw3270_size_device(rp);
raw3270_init_view.dev = NULL;
rp->view = NULL;
- up(&raw3270_init_sem);
+ mutex_unlock(&raw3270_init_mutex);
if (rc == 0) { /* Found something. */
/* Try to find a model. */
rp->model = 0;
@@ -749,7 +749,7 @@ raw3270_reset_device(struct raw3270 *rp)
{
int rc;
- down(&raw3270_init_sem);
+ mutex_lock(&raw3270_init_mutex);
memset(&rp->init_request, 0, sizeof(rp->init_request));
memset(&rp->init_data, 0, sizeof(rp->init_data));
/* Store reset data stream to init_data/init_request */
@@ -764,7 +764,7 @@ raw3270_reset_device(struct raw3270 *rp)
rc = raw3270_start_init(rp, &raw3270_init_view, &rp->init_request);
raw3270_init_view.dev = NULL;
rp->view = NULL;
- up(&raw3270_init_sem);
+ mutex_unlock(&raw3270_init_mutex);
return rc;
}
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index dbb99d1b6f5..c7318a12585 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -72,6 +72,18 @@ typedef unsigned int sclp_cmdw_t;
typedef u32 sccb_mask_t; /* ATTENTION: assumes 32bit mask !!! */
+struct sccb_header {
+ u16 length;
+ u8 function_code;
+ u8 control_mask[3];
+ u16 response_code;
+} __attribute__((packed));
+
+extern u64 sclp_facilities;
+
+#define SCLP_HAS_CHP_INFO (sclp_facilities & 0x8000000000000000ULL)
+#define SCLP_HAS_CHP_RECONFIG (sclp_facilities & 0x2000000000000000ULL)
+
struct gds_subvector {
u8 length;
u8 key;
diff --git a/drivers/s390/char/sclp_chp.c b/drivers/s390/char/sclp_chp.c
index a66b914519b..c68f5e7e63a 100644
--- a/drivers/s390/char/sclp_chp.c
+++ b/drivers/s390/char/sclp_chp.c
@@ -55,6 +55,8 @@ static int do_configure(sclp_cmdw_t cmd)
struct chp_cfg_data *data;
int rc;
+ if (!SCLP_HAS_CHP_RECONFIG)
+ return -EOPNOTSUPP;
/* Prepare sccb. */
data = (struct chp_cfg_data *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!data)
@@ -152,6 +154,8 @@ int sclp_chp_read_info(struct sclp_chp_info *info)
struct chp_info_data *data;
int rc;
+ if (!SCLP_HAS_CHP_INFO)
+ return -EOPNOTSUPP;
/* Prepare sccb. */
data = (struct chp_info_data *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!data)
diff --git a/drivers/s390/char/sclp_info.c b/drivers/s390/char/sclp_info.c
index 7bcbe643b08..a1136e05275 100644
--- a/drivers/s390/char/sclp_info.c
+++ b/drivers/s390/char/sclp_info.c
@@ -11,47 +11,106 @@
#include <asm/sclp.h>
#include "sclp.h"
-struct sclp_readinfo_sccb s390_readinfo_sccb;
+struct sclp_readinfo_sccb {
+ struct sccb_header header; /* 0-7 */
+ u16 rnmax; /* 8-9 */
+ u8 rnsize; /* 10 */
+ u8 _reserved0[24 - 11]; /* 11-23 */
+ u8 loadparm[8]; /* 24-31 */
+ u8 _reserved1[48 - 32]; /* 32-47 */
+ u64 facilities; /* 48-55 */
+ u8 _reserved2[91 - 56]; /* 56-90 */
+ u8 flags; /* 91 */
+ u8 _reserved3[100 - 92]; /* 92-99 */
+ u32 rnsize2; /* 100-103 */
+ u64 rnmax2; /* 104-111 */
+ u8 _reserved4[4096 - 112]; /* 112-4095 */
+} __attribute__((packed, aligned(4096)));
+
+static struct sclp_readinfo_sccb __initdata early_readinfo_sccb;
+static int __initdata early_readinfo_sccb_valid;
+
+u64 sclp_facilities;
void __init sclp_readinfo_early(void)
{
- sclp_cmdw_t command;
- struct sccb_header *sccb;
int ret;
+ int i;
+ struct sclp_readinfo_sccb *sccb;
+ sclp_cmdw_t commands[] = {SCLP_CMDW_READ_SCP_INFO_FORCED,
+ SCLP_CMDW_READ_SCP_INFO};
- __ctl_set_bit(0, 9); /* enable service signal subclass mask */
-
- sccb = &s390_readinfo_sccb.header;
- command = SCLP_CMDW_READ_SCP_INFO_FORCED;
- while (1) {
- u16 response;
-
- memset(&s390_readinfo_sccb, 0, sizeof(s390_readinfo_sccb));
- sccb->length = sizeof(s390_readinfo_sccb);
- sccb->control_mask[2] = 0x80;
-
- ret = sclp_service_call(command, &s390_readinfo_sccb);
-
- if (ret == -EIO)
- goto out;
- if (ret == -EBUSY)
- continue;
+ /* Enable service signal subclass mask. */
+ __ctl_set_bit(0, 9);
+ sccb = &early_readinfo_sccb;
+ for (i = 0; i < ARRAY_SIZE(commands); i++) {
+ do {
+ memset(sccb, 0, sizeof(*sccb));
+ sccb->header.length = sizeof(*sccb);
+ sccb->header.control_mask[2] = 0x80;
+ ret = sclp_service_call(commands[i], sccb);
+ } while (ret == -EBUSY);
+ if (ret)
+ break;
__load_psw_mask(PSW_BASE_BITS | PSW_MASK_EXT |
PSW_MASK_WAIT | PSW_DEFAULT_KEY);
local_irq_disable();
+ /*
+ * Contents of the sccb might have changed
+ * therefore a barrier is needed.
+ */
barrier();
+ if (sccb->header.response_code == 0x10) {
+ early_readinfo_sccb_valid = 1;
+ break;
+ }
+ if (sccb->header.response_code != 0x1f0)
+ break;
+ }
+ /* Disable service signal subclass mask again. */
+ __ctl_clear_bit(0, 9);
+}
- response = sccb->response_code;
+void __init sclp_facilities_detect(void)
+{
+ if (!early_readinfo_sccb_valid)
+ return;
+ sclp_facilities = early_readinfo_sccb.facilities;
+}
- if (response == 0x10)
- break;
+unsigned long long __init sclp_memory_detect(void)
+{
+ unsigned long long memsize;
+ struct sclp_readinfo_sccb *sccb;
- if (response != 0x1f0 || command == SCLP_CMDW_READ_SCP_INFO)
- break;
+ if (!early_readinfo_sccb_valid)
+ return 0;
+ sccb = &early_readinfo_sccb;
+ if (sccb->rnsize)
+ memsize = sccb->rnsize << 20;
+ else
+ memsize = sccb->rnsize2 << 20;
+ if (sccb->rnmax)
+ memsize *= sccb->rnmax;
+ else
+ memsize *= sccb->rnmax2;
+ return memsize;
+}
- command = SCLP_CMDW_READ_SCP_INFO;
- }
-out:
- __ctl_clear_bit(0, 9); /* disable service signal subclass mask */
+/*
+ * This function will be called after sclp_memory_detect(), which gets called
+ * early from early.c code. Therefore the sccb should have valid contents.
+ */
+void __init sclp_get_ipl_info(struct sclp_ipl_info *info)
+{
+ struct sclp_readinfo_sccb *sccb;
+
+ if (!early_readinfo_sccb_valid)
+ return;
+ sccb = &early_readinfo_sccb;
+ info->is_valid = 1;
+ if (sccb->flags & 0x2)
+ info->has_dump = 1;
+ memcpy(&info->loadparm, &sccb->loadparm, LOADPARM_LEN);
}
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index fce3dac5cb3..82e6a6b253e 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -175,13 +175,12 @@ static long vmcp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static const struct file_operations vmcp_fops = {
.owner = THIS_MODULE,
- .open = &vmcp_open,
- .release = &vmcp_release,
- .read = &vmcp_read,
- .llseek = &no_llseek,
- .write = &vmcp_write,
- .unlocked_ioctl = &vmcp_ioctl,
- .compat_ioctl = &vmcp_ioctl
+ .open = vmcp_open,
+ .release = vmcp_release,
+ .read = vmcp_read,
+ .write = vmcp_write,
+ .unlocked_ioctl = vmcp_ioctl,
+ .compat_ioctl = vmcp_ioctl
};
static struct miscdevice vmcp_dev = {
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index a5a00e9ae4d..12f7a4ce82c 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -835,7 +835,7 @@ static void vmlogrdr_cleanup(void)
}
-static int vmlogrdr_init(void)
+static int __init vmlogrdr_init(void)
{
int rc;
int i;
@@ -885,7 +885,7 @@ cleanup:
}
-static void vmlogrdr_exit(void)
+static void __exit vmlogrdr_exit(void)
{
vmlogrdr_cleanup();
printk (KERN_INFO "vmlogrdr: driver unloaded\n");
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 66eb0688d52..3712ede1672 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -156,7 +156,7 @@ static int memcpy_real(void *dest, unsigned long src, size_t count)
return rc;
}
-static int memcpy_real_user(__user void *dest, unsigned long src, size_t count)
+static int memcpy_real_user(void __user *dest, unsigned long src, size_t count)
{
static char buf[4096];
int offs = 0, size;
@@ -267,7 +267,9 @@ struct zcore_header {
u64 tod;
cpuid_t cpu_id;
u32 arch_id;
+ u32 volnr;
u32 build_arch;
+ u64 rmem_size;
char pad2[4016];
} __attribute__((packed,__aligned__(16)));
@@ -559,6 +561,7 @@ static void __init zcore_header_init(int arch, struct zcore_header *hdr)
else
hdr->arch_id = DUMP_ARCH_S390;
hdr->mem_size = sys_info.mem_size;
+ hdr->rmem_size = sys_info.mem_size;
hdr->mem_end = sys_info.mem_size;
hdr->num_pages = sys_info.mem_size / PAGE_SIZE;
hdr->tod = get_clock();
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index ac289e6eadf..b57d93d986c 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -141,8 +141,9 @@ static int s390_vary_chpid(struct chp_id chpid, int on)
/*
* Channel measurement related functions
*/
-static ssize_t chp_measurement_chars_read(struct kobject *kobj, char *buf,
- loff_t off, size_t count)
+static ssize_t chp_measurement_chars_read(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct channel_path *chp;
unsigned int size;
@@ -165,7 +166,6 @@ static struct bin_attribute chp_measurement_chars_attr = {
.attr = {
.name = "measurement_chars",
.mode = S_IRUSR,
- .owner = THIS_MODULE,
},
.size = sizeof(struct cmg_chars),
.read = chp_measurement_chars_read,
@@ -193,8 +193,9 @@ static void chp_measurement_copy_block(struct cmg_entry *buf,
} while (reference_buf.values[0] != buf->values[0]);
}
-static ssize_t chp_measurement_read(struct kobject *kobj, char *buf,
- loff_t off, size_t count)
+static ssize_t chp_measurement_read(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct channel_path *chp;
struct channel_subsystem *css;
@@ -217,7 +218,6 @@ static struct bin_attribute chp_measurement_attr = {
.attr = {
.name = "measurement",
.mode = S_IRUSR,
- .owner = THIS_MODULE,
},
.size = sizeof(struct cmg_entry),
.read = chp_measurement_read,
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index a8b373f69cf..6b264bdb5bf 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -296,30 +296,57 @@ static void ccw_device_unregister(struct ccw_device *cdev)
device_del(&cdev->dev);
}
+static void ccw_device_remove_orphan_cb(struct device *dev)
+{
+ struct ccw_device *cdev = to_ccwdev(dev);
+
+ ccw_device_unregister(cdev);
+ put_device(&cdev->dev);
+}
+
+static void ccw_device_remove_sch_cb(struct device *dev)
+{
+ struct subchannel *sch;
+
+ sch = to_subchannel(dev);
+ css_sch_device_unregister(sch);
+ /* Reset intparm to zeroes. */
+ sch->schib.pmcw.intparm = 0;
+ cio_modify(sch);
+ put_device(&sch->dev);
+}
+
static void
ccw_device_remove_disconnected(struct ccw_device *cdev)
{
- struct subchannel *sch;
unsigned long flags;
+ int rc;
+
/*
* Forced offline in disconnected state means
* 'throw away device'.
*/
if (ccw_device_is_orphan(cdev)) {
- /* Deregister ccw device. */
+ /*
+ * Deregister ccw device.
+ * Unfortunately, we cannot do this directly from the
+ * attribute method.
+ */
spin_lock_irqsave(cdev->ccwlock, flags);
cdev->private->state = DEV_STATE_NOT_OPER;
spin_unlock_irqrestore(cdev->ccwlock, flags);
- ccw_device_unregister(cdev);
- put_device(&cdev->dev);
- return ;
+ rc = device_schedule_callback(&cdev->dev,
+ ccw_device_remove_orphan_cb);
+ if (rc)
+ dev_info(&cdev->dev, "Couldn't unregister orphan\n");
+ return;
}
- sch = to_subchannel(cdev->dev.parent);
- css_sch_device_unregister(sch);
- /* Reset intparm to zeroes. */
- sch->schib.pmcw.intparm = 0;
- cio_modify(sch);
- put_device(&sch->dev);
+ /* Deregister subchannel, which will kill the ccw device. */
+ rc = device_schedule_callback(cdev->dev.parent,
+ ccw_device_remove_sch_cb);
+ if (rc)
+ dev_info(&cdev->dev,
+ "Couldn't unregister disconnected device\n");
}
int
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 898ec3b2beb..6bba8092957 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -688,6 +688,12 @@ ccw_device_disband_done(struct ccw_device *cdev, int err)
ccw_device_done(cdev, DEV_STATE_BOXED);
break;
default:
+ cdev->private->flags.donotify = 0;
+ if (get_device(&cdev->dev)) {
+ PREPARE_WORK(&cdev->private->kick_work,
+ ccw_device_call_sch_unregister);
+ queue_work(ccw_device_work, &cdev->private->kick_work);
+ }
ccw_device_done(cdev, DEV_STATE_NOT_OPER);
break;
}
diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c
index 997f4687453..60b9347f7c9 100644
--- a/drivers/s390/cio/device_id.c
+++ b/drivers/s390/cio/device_id.c
@@ -27,7 +27,6 @@
/*
* diag210 is used under VM to get information about a virtual device
*/
-#ifdef CONFIG_64BIT
int
diag210(struct diag210 * addr)
{
@@ -43,6 +42,7 @@ diag210(struct diag210 * addr)
spin_lock_irqsave(&diag210_lock, flags);
diag210_tmp = *addr;
+#ifdef CONFIG_64BIT
asm volatile(
" lhi %0,-1\n"
" sam31\n"
@@ -51,19 +51,8 @@ diag210(struct diag210 * addr)
" srl %0,28\n"
"1: sam64\n"
EX_TABLE(0b,1b)
- : "=&d" (ccode) : "a" (__pa(&diag210_tmp)) : "cc", "memory");
-
- *addr = diag210_tmp;
- spin_unlock_irqrestore(&diag210_lock, flags);
-
- return ccode;
-}
+ : "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory");
#else
-int
-diag210(struct diag210 * addr)
-{
- int ccode;
-
asm volatile(
" lhi %0,-1\n"
" diag %1,0,0x210\n"
@@ -71,11 +60,14 @@ diag210(struct diag210 * addr)
" srl %0,28\n"
"1:\n"
EX_TABLE(0b,1b)
- : "=&d" (ccode) : "a" (__pa(addr)) : "cc", "memory");
+ : "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory");
+#endif
+
+ *addr = diag210_tmp;
+ spin_unlock_irqrestore(&diag210_lock, flags);
return ccode;
}
-#endif
/*
* Input :
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 5aac0ec3636..90bd2201451 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -43,6 +43,7 @@ static void ap_poll_all(unsigned long);
static void ap_poll_timeout(unsigned long);
static int ap_poll_thread_start(void);
static void ap_poll_thread_stop(void);
+static void ap_request_timeout(unsigned long);
/**
* Module description.
@@ -189,6 +190,7 @@ int ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length)
case AP_RESPONSE_NORMAL:
return 0;
case AP_RESPONSE_Q_FULL:
+ case AP_RESPONSE_RESET_IN_PROGRESS:
return -EBUSY;
default: /* Device is gone. */
return -ENODEV;
@@ -252,6 +254,8 @@ int ap_recv(ap_qid_t qid, unsigned long long *psmid, void *msg, size_t length)
if (status.queue_empty)
return -ENOENT;
return -EBUSY;
+ case AP_RESPONSE_RESET_IN_PROGRESS:
+ return -EBUSY;
default:
return -ENODEV;
}
@@ -326,11 +330,12 @@ static int ap_init_queue(ap_qid_t qid)
i = AP_MAX_RESET; /* return with -ENODEV */
break;
case AP_RESPONSE_RESET_IN_PROGRESS:
+ rc = -EBUSY;
case AP_RESPONSE_BUSY:
default:
break;
}
- if (rc != -ENODEV)
+ if (rc != -ENODEV && rc != -EBUSY)
break;
if (i < AP_MAX_RESET - 1) {
udelay(5);
@@ -341,6 +346,40 @@ static int ap_init_queue(ap_qid_t qid)
}
/**
+ * Arm request timeout if a AP device was idle and a new request is submitted.
+ */
+static void ap_increase_queue_count(struct ap_device *ap_dev)
+{
+ int timeout = ap_dev->drv->request_timeout;
+
+ ap_dev->queue_count++;
+ if (ap_dev->queue_count == 1) {
+ mod_timer(&ap_dev->timeout, jiffies + timeout);
+ ap_dev->reset = AP_RESET_ARMED;
+ }
+}
+
+/**
+ * AP device is still alive, re-schedule request timeout if there are still
+ * pending requests.
+ */
+static void ap_decrease_queue_count(struct ap_device *ap_dev)
+{
+ int timeout = ap_dev->drv->request_timeout;
+
+ ap_dev->queue_count--;
+ if (ap_dev->queue_count > 0)
+ mod_timer(&ap_dev->timeout, jiffies + timeout);
+ else
+ /**
+ * The timeout timer should to be disabled now - since
+ * del_timer_sync() is very expensive, we just tell via the
+ * reset flag to ignore the pending timeout timer.
+ */
+ ap_dev->reset = AP_RESET_IGNORE;
+}
+
+/**
* AP device related attributes.
*/
static ssize_t ap_hwtype_show(struct device *dev,
@@ -498,6 +537,7 @@ static int ap_device_remove(struct device *dev)
struct ap_driver *ap_drv = ap_dev->drv;
ap_flush_queue(ap_dev);
+ del_timer_sync(&ap_dev->timeout);
if (ap_drv->remove)
ap_drv->remove(ap_dev);
spin_lock_bh(&ap_device_lock);
@@ -759,17 +799,21 @@ static void ap_scan_bus(struct work_struct *unused)
__ap_scan_bus);
rc = ap_query_queue(qid, &queue_depth, &device_type);
if (dev) {
+ if (rc == -EBUSY) {
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(AP_RESET_TIMEOUT);
+ rc = ap_query_queue(qid, &queue_depth,
+ &device_type);
+ }
ap_dev = to_ap_dev(dev);
spin_lock_bh(&ap_dev->lock);
if (rc || ap_dev->unregistered) {
spin_unlock_bh(&ap_dev->lock);
- put_device(dev);
device_unregister(dev);
+ put_device(dev);
continue;
- } else
- spin_unlock_bh(&ap_dev->lock);
- }
- if (dev) {
+ }
+ spin_unlock_bh(&ap_dev->lock);
put_device(dev);
continue;
}
@@ -788,6 +832,8 @@ static void ap_scan_bus(struct work_struct *unused)
INIT_LIST_HEAD(&ap_dev->pendingq);
INIT_LIST_HEAD(&ap_dev->requestq);
INIT_LIST_HEAD(&ap_dev->list);
+ setup_timer(&ap_dev->timeout, ap_request_timeout,
+ (unsigned long) ap_dev);
if (device_type == 0)
ap_probe_device_type(ap_dev);
else
@@ -853,7 +899,7 @@ static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
atomic_dec(&ap_poll_requests);
- ap_dev->queue_count--;
+ ap_decrease_queue_count(ap_dev);
list_for_each_entry(ap_msg, &ap_dev->pendingq, list) {
if (ap_msg->psmid != ap_dev->reply->psmid)
continue;
@@ -904,7 +950,7 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
atomic_inc(&ap_poll_requests);
- ap_dev->queue_count++;
+ ap_increase_queue_count(ap_dev);
list_move_tail(&ap_msg->list, &ap_dev->pendingq);
ap_dev->requestq_count--;
ap_dev->pendingq_count++;
@@ -914,6 +960,7 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
*flags |= 2;
break;
case AP_RESPONSE_Q_FULL:
+ case AP_RESPONSE_RESET_IN_PROGRESS:
*flags |= 2;
break;
case AP_RESPONSE_MESSAGE_TOO_BIG:
@@ -960,10 +1007,11 @@ static int __ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_ms
list_add_tail(&ap_msg->list, &ap_dev->pendingq);
atomic_inc(&ap_poll_requests);
ap_dev->pendingq_count++;
- ap_dev->queue_count++;
+ ap_increase_queue_count(ap_dev);
ap_dev->total_request_count++;
break;
case AP_RESPONSE_Q_FULL:
+ case AP_RESPONSE_RESET_IN_PROGRESS:
list_add_tail(&ap_msg->list, &ap_dev->requestq);
ap_dev->requestq_count++;
ap_dev->total_request_count++;
@@ -1046,6 +1094,25 @@ static void ap_poll_timeout(unsigned long unused)
}
/**
+ * Reset a not responding AP device and move all requests from the
+ * pending queue to the request queue.
+ */
+static void ap_reset(struct ap_device *ap_dev)
+{
+ int rc;
+
+ ap_dev->reset = AP_RESET_IGNORE;
+ atomic_sub(ap_dev->queue_count, &ap_poll_requests);
+ ap_dev->queue_count = 0;
+ list_splice_init(&ap_dev->pendingq, &ap_dev->requestq);
+ ap_dev->requestq_count += ap_dev->pendingq_count;
+ ap_dev->pendingq_count = 0;
+ rc = ap_init_queue(ap_dev->qid);
+ if (rc == -ENODEV)
+ ap_dev->unregistered = 1;
+}
+
+/**
* Poll all AP devices on the bus in a round robin fashion. Continue
* polling until bit 2^0 of the control flags is not set. If bit 2^1
* of the control flags has been set arm the poll timer.
@@ -1056,6 +1123,8 @@ static int __ap_poll_all(struct ap_device *ap_dev, unsigned long *flags)
if (!ap_dev->unregistered) {
if (ap_poll_queue(ap_dev, flags))
ap_dev->unregistered = 1;
+ if (ap_dev->reset == AP_RESET_DO)
+ ap_reset(ap_dev);
}
spin_unlock(&ap_dev->lock);
return 0;
@@ -1147,6 +1216,17 @@ static void ap_poll_thread_stop(void)
mutex_unlock(&ap_poll_thread_mutex);
}
+/**
+ * Handling of request timeouts
+ */
+static void ap_request_timeout(unsigned long data)
+{
+ struct ap_device *ap_dev = (struct ap_device *) data;
+
+ if (ap_dev->reset == AP_RESET_ARMED)
+ ap_dev->reset = AP_RESET_DO;
+}
+
static void ap_reset_domain(void)
{
int i;
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 008559ea742..87c2d644287 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -33,6 +33,7 @@
#define AP_DEVICES 64 /* Number of AP devices. */
#define AP_DOMAINS 16 /* Number of AP domains. */
#define AP_MAX_RESET 90 /* Maximum number of resets. */
+#define AP_RESET_TIMEOUT (HZ/2) /* Time in ticks for reset timeouts. */
#define AP_CONFIG_TIME 30 /* Time in seconds between AP bus rescans. */
#define AP_POLL_TIME 1 /* Time in ticks between receive polls. */
@@ -83,6 +84,13 @@ struct ap_queue_status {
#define AP_DEVICE_TYPE_CEX2A 6
#define AP_DEVICE_TYPE_CEX2C 7
+/**
+ * AP reset flag states
+ */
+#define AP_RESET_IGNORE 0 /* request timeout will be ignored */
+#define AP_RESET_ARMED 1 /* request timeout timer is active */
+#define AP_RESET_DO 2 /* AP reset required */
+
struct ap_device;
struct ap_message;
@@ -95,6 +103,7 @@ struct ap_driver {
/* receive is called from tasklet context */
void (*receive)(struct ap_device *, struct ap_message *,
struct ap_message *);
+ int request_timeout; /* request timeout in jiffies */
};
#define to_ap_drv(x) container_of((x), struct ap_driver, driver)
@@ -112,6 +121,8 @@ struct ap_device {
int queue_depth; /* AP queue depth.*/
int device_type; /* AP device type. */
int unregistered; /* marks AP device as unregistered */
+ struct timer_list timeout; /* Timer for request timeouts. */
+ int reset; /* Reset required after req. timeout. */
int queue_count; /* # messages currently on AP queue. */
diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
index 5bb13a9d089..08657f604b8 100644
--- a/drivers/s390/crypto/zcrypt_cex2a.c
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -70,6 +70,7 @@ static struct ap_driver zcrypt_cex2a_driver = {
.remove = zcrypt_cex2a_remove,
.receive = zcrypt_cex2a_receive,
.ids = zcrypt_cex2a_ids,
+ .request_timeout = CEX2A_CLEANUP_TIME,
};
/**
@@ -306,18 +307,13 @@ static long zcrypt_cex2a_modexpo(struct zcrypt_device *zdev,
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &work, CEX2A_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&work);
+ if (rc == 0)
rc = convert_response(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
kfree(ap_msg.message);
return rc;
@@ -348,18 +344,13 @@ static long zcrypt_cex2a_modexpo_crt(struct zcrypt_device *zdev,
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &work, CEX2A_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&work);
+ if (rc == 0)
rc = convert_response(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
kfree(ap_msg.message);
return rc;
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c
index 818ffe05ac0..6e93b475178 100644
--- a/drivers/s390/crypto/zcrypt_pcica.c
+++ b/drivers/s390/crypto/zcrypt_pcica.c
@@ -70,6 +70,7 @@ static struct ap_driver zcrypt_pcica_driver = {
.remove = zcrypt_pcica_remove,
.receive = zcrypt_pcica_receive,
.ids = zcrypt_pcica_ids,
+ .request_timeout = PCICA_CLEANUP_TIME,
};
/**
@@ -290,18 +291,13 @@ static long zcrypt_pcica_modexpo(struct zcrypt_device *zdev,
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &work, PCICA_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&work);
+ if (rc == 0)
rc = convert_response(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
kfree(ap_msg.message);
return rc;
@@ -332,18 +328,13 @@ static long zcrypt_pcica_modexpo_crt(struct zcrypt_device *zdev,
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &work, PCICA_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&work);
+ if (rc == 0)
rc = convert_response(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
kfree(ap_msg.message);
return rc;
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index f295a403b29..d6d59bf9ac3 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -82,6 +82,7 @@ static struct ap_driver zcrypt_pcicc_driver = {
.remove = zcrypt_pcicc_remove,
.receive = zcrypt_pcicc_receive,
.ids = zcrypt_pcicc_ids,
+ .request_timeout = PCICC_CLEANUP_TIME,
};
/**
@@ -501,18 +502,13 @@ static long zcrypt_pcicc_modexpo(struct zcrypt_device *zdev,
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &work, PCICC_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&work);
+ if (rc == 0)
rc = convert_response(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
free_page((unsigned long) ap_msg.message);
return rc;
@@ -544,18 +540,13 @@ static long zcrypt_pcicc_modexpo_crt(struct zcrypt_device *zdev,
goto out_free;
init_completion(&work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &work, PCICC_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&work);
+ if (rc == 0)
rc = convert_response(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
free_page((unsigned long) ap_msg.message);
return rc;
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 252443b6bd1..64948788d30 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -93,6 +93,7 @@ static struct ap_driver zcrypt_pcixcc_driver = {
.remove = zcrypt_pcixcc_remove,
.receive = zcrypt_pcixcc_receive,
.ids = zcrypt_pcixcc_ids,
+ .request_timeout = PCIXCC_CLEANUP_TIME,
};
/**
@@ -641,18 +642,13 @@ static long zcrypt_pcixcc_modexpo(struct zcrypt_device *zdev,
goto out_free;
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &resp_type.work, PCIXCC_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&resp_type.work);
+ if (rc == 0)
rc = convert_response_ica(zdev, &ap_msg, mex->outputdata,
mex->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
free_page((unsigned long) ap_msg.message);
return rc;
@@ -685,18 +681,13 @@ static long zcrypt_pcixcc_modexpo_crt(struct zcrypt_device *zdev,
goto out_free;
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &resp_type.work, PCIXCC_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&resp_type.work);
+ if (rc == 0)
rc = convert_response_ica(zdev, &ap_msg, crt->outputdata,
crt->outputdatalength);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
free_page((unsigned long) ap_msg.message);
return rc;
@@ -729,17 +720,12 @@ static long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev,
goto out_free;
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
- rc = wait_for_completion_interruptible_timeout(
- &resp_type.work, PCIXCC_CLEANUP_TIME);
- if (rc > 0)
+ rc = wait_for_completion_interruptible(&resp_type.work);
+ if (rc == 0)
rc = convert_response_xcrb(zdev, &ap_msg, xcRB);
- else {
- /* Signal pending or message timed out. */
+ else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
- if (rc == 0)
- /* Message timed out. */
- rc = -ETIME;
- }
out_free:
memset(ap_msg.message, 0x0, ap_msg.length);
kfree(ap_msg.message);
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 6dd64d0c8d4..348bb7b8277 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -3912,6 +3912,7 @@ static int
add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
{
struct chbk *p_ch;
+ struct ccw_dev_id dev_id;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__FUNCTION__);
@@ -3921,7 +3922,8 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
p_ch = &privptr->channel[i];
p_ch->cdev = cdev;
snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", cdev->dev.bus_id);
- sscanf(cdev->dev.bus_id+4,"%x",&p_ch->devno);
+ ccw_device_get_id(cdev, &dev_id);
+ p_ch->devno = dev_id.devno;
if ((p_ch->irb = kmalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) {
printk(KERN_WARNING "%s Out of memory in %s for irb\n",
p_ch->id,__FUNCTION__);
@@ -3955,6 +3957,7 @@ claw_new_device(struct ccwgroup_device *cgdev)
struct claw_env *p_env;
struct net_device *dev;
int ret;
+ struct ccw_dev_id dev_id;
pr_debug("%s() called\n", __FUNCTION__);
printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id);
@@ -3965,10 +3968,10 @@ claw_new_device(struct ccwgroup_device *cgdev)
if (!privptr)
return -ENODEV;
p_env = privptr->p_env;
- sscanf(cgdev->cdev[READ]->dev.bus_id+4,"%x",
- &p_env->devno[READ]);
- sscanf(cgdev->cdev[WRITE]->dev.bus_id+4,"%x",
- &p_env->devno[WRITE]);
+ ccw_device_get_id(cgdev->cdev[READ], &dev_id);
+ p_env->devno[READ] = dev_id.devno;
+ ccw_device_get_id(cgdev->cdev[WRITE], &dev_id);
+ p_env->devno[WRITE] = dev_id.devno;
ret = add_channel(cgdev->cdev[0],0,privptr);
if (ret == 0)
ret = add_channel(cgdev->cdev[1],1,privptr);
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index c358764f326..3d28e1a5bf7 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -134,18 +134,6 @@ PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
*(((char*)ptr)+28),*(((char*)ptr)+29), \
*(((char*)ptr)+30),*(((char*)ptr)+31));
-static inline void iucv_hex_dump(unsigned char *buf, size_t len)
-{
- size_t i;
-
- for (i = 0; i < len; i++) {
- if (i && !(i % 16))
- printk("\n");
- printk("%02x ", *(buf + i));
- }
- printk("\n");
-}
-
#define PRINTK_HEADER " iucv: " /* for debugging */
static struct device_driver netiucv_driver = {
@@ -212,7 +200,7 @@ struct iucv_connection {
*/
static struct list_head iucv_connection_list =
LIST_HEAD_INIT(iucv_connection_list);
-static rwlock_t iucv_connection_rwlock = RW_LOCK_UNLOCKED;
+static DEFINE_RWLOCK(iucv_connection_rwlock);
/**
* Representation of event-data for the
@@ -280,7 +268,7 @@ static u8 iucvMagic[16] = {
*
* @returns The printable string (static data!!)
*/
-static inline char *netiucv_printname(char *name)
+static char *netiucv_printname(char *name)
{
static char tmp[9];
char *p = tmp;
@@ -1315,7 +1303,8 @@ static int netiucv_tx(struct sk_buff *skb, struct net_device *dev)
* and throw away packet.
*/
if (fsm_getstate(privptr->fsm) != DEV_STATE_RUNNING) {
- fsm_event(privptr->fsm, DEV_EVENT_START, dev);
+ if (!in_atomic())
+ fsm_event(privptr->fsm, DEV_EVENT_START, dev);
dev_kfree_skb(skb);
privptr->stats.tx_dropped++;
privptr->stats.tx_errors++;
@@ -1729,7 +1718,7 @@ static struct attribute_group netiucv_stat_attr_group = {
.attrs = netiucv_stat_attrs,
};
-static inline int netiucv_add_files(struct device *dev)
+static int netiucv_add_files(struct device *dev)
{
int ret;
@@ -1743,7 +1732,7 @@ static inline int netiucv_add_files(struct device *dev)
return ret;
}
-static inline void netiucv_remove_files(struct device *dev)
+static void netiucv_remove_files(struct device *dev)
{
IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
sysfs_remove_group(&dev->kobj, &netiucv_stat_attr_group);
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c
index 4640f32daae..70108fb1690 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -424,8 +424,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
/* prepare qdio hdr */
if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2){
eddp->qh.hdr.l2.pkt_length = data_len + ETH_HLEN +
- eddp->nhl + eddp->thl -
- sizeof(struct qeth_hdr);
+ eddp->nhl + eddp->thl;
#ifdef CONFIG_QETH_VLAN
if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q))
eddp->qh.hdr.l2.pkt_length += VLAN_HLEN;
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 0b96d49dd63..86b0c44165c 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -986,15 +986,15 @@ qeth_recover(void *ptr)
card->use_hard_stop = 1;
__qeth_set_offline(card->gdev,1);
rc = __qeth_set_online(card->gdev,1);
+ /* don't run another scheduled recovery */
+ qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
+ qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
if (!rc)
PRINT_INFO("Device %s successfully recovered!\n",
CARD_BUS_ID(card));
else
PRINT_INFO("Device %s could not be recovered!\n",
CARD_BUS_ID(card));
- /* don't run another scheduled recovery */
- qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
- qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
return 0;
}
@@ -2176,13 +2176,6 @@ qeth_ulp_enable(struct qeth_card *card)
}
-static inline __u16
-__raw_devno_from_bus_id(char *id)
-{
- id += (strlen(id) - 4);
- return (__u16) simple_strtoul(id, &id, 16);
-}
-
static int
qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
unsigned long data)
@@ -2205,6 +2198,7 @@ qeth_ulp_setup(struct qeth_card *card)
int rc;
__u16 temp;
struct qeth_cmd_buffer *iob;
+ struct ccw_dev_id dev_id;
QETH_DBF_TEXT(setup,2,"ulpsetup");
@@ -2218,8 +2212,8 @@ qeth_ulp_setup(struct qeth_card *card)
memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
&card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
- temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
- memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
+ ccw_device_get_id(CARD_DDEV(card), &dev_id);
+ memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
temp = (card->info.cula << 8) + card->info.unit_addr2;
memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
@@ -5850,9 +5844,9 @@ qeth_add_vlan_mc6(struct qeth_card *card)
in_dev = in6_dev_get(netdev);
if (!in_dev)
continue;
- read_lock(&in_dev->lock);
+ read_lock_bh(&in_dev->lock);
qeth_add_mc6(card,in_dev);
- read_unlock(&in_dev->lock);
+ read_unlock_bh(&in_dev->lock);
in6_dev_put(in_dev);
}
#endif /* CONFIG_QETH_VLAN */
@@ -5869,10 +5863,10 @@ qeth_add_multicast_ipv6(struct qeth_card *card)
in6_dev = in6_dev_get(card->dev);
if (in6_dev == NULL)
return;
- read_lock(&in6_dev->lock);
+ read_lock_bh(&in6_dev->lock);
qeth_add_mc6(card, in6_dev);
qeth_add_vlan_mc6(card);
- read_unlock(&in6_dev->lock);
+ read_unlock_bh(&in6_dev->lock);
in6_dev_put(in6_dev);
}
#endif /* CONFIG_QETH_IPV6 */
@@ -7476,11 +7470,11 @@ qeth_softsetup_card(struct qeth_card *card)
QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
if (rc == 0xe080){
PRINT_WARN("LAN on card %s if offline! "
- "Continuing softsetup.\n",
+ "Waiting for STARTLAN from card.\n",
CARD_BUS_ID(card));
card->lan_online = 0;
- } else
- return rc;
+ }
+ return rc;
} else
card->lan_online = 1;
if (card->info.type==QETH_CARD_TYPE_OSN)
@@ -7797,15 +7791,17 @@ qeth_print_status_message(struct qeth_card *card)
}
/* fallthrough */
case QETH_CARD_TYPE_IQD:
- card->info.mcl_level[0] = (char) _ebcasc[(__u8)
- card->info.mcl_level[0]];
- card->info.mcl_level[1] = (char) _ebcasc[(__u8)
- card->info.mcl_level[1]];
- card->info.mcl_level[2] = (char) _ebcasc[(__u8)
- card->info.mcl_level[2]];
- card->info.mcl_level[3] = (char) _ebcasc[(__u8)
- card->info.mcl_level[3]];
- card->info.mcl_level[QETH_MCL_LENGTH] = 0;
+ if (card->info.guestlan) {
+ card->info.mcl_level[0] = (char) _ebcasc[(__u8)
+ card->info.mcl_level[0]];
+ card->info.mcl_level[1] = (char) _ebcasc[(__u8)
+ card->info.mcl_level[1]];
+ card->info.mcl_level[2] = (char) _ebcasc[(__u8)
+ card->info.mcl_level[2]];
+ card->info.mcl_level[3] = (char) _ebcasc[(__u8)
+ card->info.mcl_level[3]];
+ card->info.mcl_level[QETH_MCL_LENGTH] = 0;
+ }
break;
default:
memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c
index 65ffc21afc3..bb0287ad1aa 100644
--- a/drivers/s390/net/qeth_sys.c
+++ b/drivers/s390/net/qeth_sys.c
@@ -991,7 +991,7 @@ static struct attribute_group qeth_osn_device_attr_group = {
#define QETH_DEVICE_ATTR(_id,_name,_mode,_show,_store) \
struct device_attribute dev_attr_##_id = { \
- .attr = {.name=__stringify(_name), .mode=_mode, .owner=THIS_MODULE },\
+ .attr = {.name=__stringify(_name), .mode=_mode, },\
.show = _show, \
.store = _store, \
};