diff options
Diffstat (limited to 'drivers')
573 files changed, 20103 insertions, 9946 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index 2618a6169a1..1266ead6ace 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -36,7 +36,7 @@ obj-$(CONFIG_FB_INTEL) += video/intelfb/ obj-y += serial/ obj-$(CONFIG_PARPORT) += parport/ -obj-y += base/ block/ misc/ mfd/ media/ +obj-y += base/ block/ misc/ mfd/ obj-$(CONFIG_NUBUS) += nubus/ obj-y += macintosh/ obj-$(CONFIG_IDE) += ide/ @@ -71,7 +71,7 @@ obj-$(CONFIG_GAMEPORT) += input/gameport/ obj-$(CONFIG_INPUT) += input/ obj-$(CONFIG_I2O) += message/ obj-$(CONFIG_RTC_LIB) += rtc/ -obj-y += i2c/ +obj-y += i2c/ media/ obj-$(CONFIG_W1) += w1/ obj-$(CONFIG_POWER_SUPPLY) += power/ obj-$(CONFIG_HWMON) += hwmon/ diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 17e50824a6f..72ac28da14e 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -5,40 +5,43 @@ ccflags-y := -Os ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT -obj-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \ +# use acpi.o to put all files here into acpi.o modparam namespace +obj-y += acpi.o + +acpi-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \ dsmethod.o dsobject.o dsutils.o dswload.o dswstate.o \ dsinit.o -obj-y += evevent.o evregion.o evsci.o evxfevnt.o \ +acpi-y += evevent.o evregion.o evsci.o evxfevnt.o \ evmisc.o evrgnini.o evxface.o evxfregn.o \ evgpe.o evgpeblk.o -obj-y += exconfig.o exfield.o exnames.o exoparg6.o exresolv.o exstorob.o\ +acpi-y += exconfig.o exfield.o exnames.o exoparg6.o exresolv.o exstorob.o\ exconvrt.o exfldio.o exoparg1.o exprep.o exresop.o exsystem.o\ excreate.o exmisc.o exoparg2.o exregion.o exstore.o exutils.o \ exdump.o exmutex.o exoparg3.o exresnte.o exstoren.o -obj-y += hwacpi.o hwgpe.o hwregs.o hwsleep.o hwxface.o hwvalid.o +acpi-y += hwacpi.o hwgpe.o hwregs.o hwsleep.o hwxface.o hwvalid.o -obj-$(ACPI_FUTURE_USAGE) += hwtimer.o +acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o -obj-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \ +acpi-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \ nsalloc.o nseval.o nsnames.o nsutils.o nsxfname.o \ nsdump.o nsinit.o nsobject.o nswalk.o nsxfobj.o \ nsparse.o nspredef.o -obj-$(ACPI_FUTURE_USAGE) += nsdumpdv.o +acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o -obj-y += psargs.o psparse.o psloop.o pstree.o pswalk.o \ +acpi-y += psargs.o psparse.o psloop.o pstree.o pswalk.o \ psopcode.o psscope.o psutils.o psxface.o -obj-y += rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \ +acpi-y += rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \ rscalc.o rsirq.o rsmemory.o rsutils.o -obj-$(ACPI_FUTURE_USAGE) += rsdump.o +acpi-$(ACPI_FUTURE_USAGE) += rsdump.o -obj-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o +acpi-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o -obj-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \ +acpi-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \ utcopy.o utdelete.o utglobal.o utmath.o utobject.o \ utstate.o utmutex.o utobject.o utresrc.o utlock.o diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 772ee5c4ccc..2ec394a328e 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -787,7 +787,12 @@ struct acpi_bit_register_info { /* For control registers, both ignored and reserved bits must be preserved */ -#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0201 /* Bits 9, 0(SCI_EN) */ +/* + * The ACPI spec says to ignore PM1_CTL.SCI_EN (bit 0) + * but we need to be able to write ACPI_BITREG_SCI_ENABLE directly + * as a BIOS workaround on some machines. + */ +#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bits 9 */ #define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */ #define ACPI_PM1_CONTROL_PRESERVED_BITS \ (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS) diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index baa5fc05e12..db307a356f0 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -211,6 +211,12 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) +static unsigned int gts, bfs; +module_param(gts, uint, 0644); +module_param(bfs, uint, 0644); +MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend."); +MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".); + /******************************************************************************* * * FUNCTION: acpi_enter_sleep_state @@ -278,16 +284,18 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) return_ACPI_STATUS(status); } - /* Execute the _GTS method */ + if (gts) { + /* Execute the _GTS method */ - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = sleep_state; + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = sleep_state; - status = acpi_evaluate_object(NULL, METHOD_NAME__GTS, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - return_ACPI_STATUS(status); + status = acpi_evaluate_object(NULL, METHOD_NAME__GTS, &arg_list, NULL); + if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { + return_ACPI_STATUS(status); + } } /* Get current value of PM1A control */ @@ -513,18 +521,19 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) } } - /* Execute the _BFS method */ + if (bfs) { + /* Execute the _BFS method */ - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = sleep_state; + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = sleep_state; - status = acpi_evaluate_object(NULL, METHOD_NAME__BFS, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - ACPI_EXCEPTION((AE_INFO, status, "During Method _BFS")); + status = acpi_evaluate_object(NULL, METHOD_NAME__BFS, &arg_list, NULL); + if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { + ACPI_EXCEPTION((AE_INFO, status, "During Method _BFS")); + } } - return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c index 7737afb157c..ec33f270c5b 100644 --- a/drivers/acpi/acpica/hwvalid.c +++ b/drivers/acpi/acpica/hwvalid.c @@ -90,6 +90,7 @@ static const struct acpi_port_info acpi_protected_ports[] = { {"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP}, {"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP}, {"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP}, + {"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP}, {"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP}, {"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP}, {"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP}, @@ -151,7 +152,7 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width) ACPI_ERROR((AE_INFO, "Illegal I/O port address/length above 64K: 0x%p/%X", ACPI_CAST_PTR(void, address), byte_width)); - return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS); + return_ACPI_STATUS(AE_LIMIT); } /* Exit if requested address is not within the protected port table */ @@ -178,11 +179,12 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width) /* Port illegality may depend on the _OSI calls made by the BIOS */ if (acpi_gbl_osi_data >= port_info->osi_dependency) { - ACPI_ERROR((AE_INFO, - "Denied AML access to port 0x%p/%X (%s 0x%.4X-0x%.4X)", - ACPI_CAST_PTR(void, address), - byte_width, port_info->name, - port_info->start, port_info->end)); + ACPI_DEBUG_PRINT((ACPI_DB_IO, + "Denied AML access to port 0x%p/%X (%s 0x%.4X-0x%.4X)", + ACPI_CAST_PTR(void, address), + byte_width, port_info->name, + port_info->start, + port_info->end)); return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS); } @@ -206,7 +208,7 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width) * Value Where value is placed * Width Number of bits * - * RETURN: Value read from port + * RETURN: Status and value read from port * * DESCRIPTION: Read data from an I/O port or register. This is a front-end * to acpi_os_read_port that performs validation on both the port @@ -217,14 +219,43 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width) acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width) { acpi_status status; + u32 one_byte; + u32 i; + + /* Validate the entire request and perform the I/O */ status = acpi_hw_validate_io_request(address, width); - if (ACPI_FAILURE(status)) { + if (ACPI_SUCCESS(status)) { + status = acpi_os_read_port(address, value, width); return status; } - status = acpi_os_read_port(address, value, width); - return status; + if (status != AE_AML_ILLEGAL_ADDRESS) { + return status; + } + + /* + * There has been a protection violation within the request. Fall + * back to byte granularity port I/O and ignore the failing bytes. + * This provides Windows compatibility. + */ + for (i = 0, *value = 0; i < width; i += 8) { + + /* Validate and read one byte */ + + if (acpi_hw_validate_io_request(address, 8) == AE_OK) { + status = acpi_os_read_port(address, &one_byte, 8); + if (ACPI_FAILURE(status)) { + return status; + } + + *value |= (one_byte << i); + } + + address++; + } + + return AE_OK; } /****************************************************************************** @@ -235,7 +266,7 @@ acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width) * Value Value to write * Width Number of bits * - * RETURN: None + * RETURN: Status * * DESCRIPTION: Write data to an I/O port or register. This is a front-end * to acpi_os_write_port that performs validation on both the port @@ -246,12 +277,39 @@ acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width) acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width) { acpi_status status; + u32 i; + + /* Validate the entire request and perform the I/O */ status = acpi_hw_validate_io_request(address, width); - if (ACPI_FAILURE(status)) { + if (ACPI_SUCCESS(status)) { + status = acpi_os_write_port(address, value, width); return status; } - status = acpi_os_write_port(address, value, width); - return status; + if (status != AE_AML_ILLEGAL_ADDRESS) { + return status; + } + + /* + * There has been a protection violation within the request. Fall + * back to byte granularity port I/O and ignore the failing bytes. + * This provides Windows compatibility. + */ + for (i = 0; i < width; i += 8) { + + /* Validate and write one byte */ + + if (acpi_hw_validate_io_request(address, 8) == AE_OK) { + status = + acpi_os_write_port(address, (value >> i) & 0xFF, 8); + if (ACPI_FAILURE(status)) { + return status; + } + } + + address++; + } + + return AE_OK; } diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index b6667ff059e..88b5a2c4814 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -543,6 +543,13 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, package_element = *top_object_list; + /* We must have a valid Package object */ + + if (!package_element || + (package_element->common.type != ACPI_TYPE_PACKAGE)) { + return_ACPI_STATUS (AE_AML_OPERAND_TYPE); + } + /* * The sub_object_list will now point to an array of the * four IRQ elements: Address, Pin, Source and source_index diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index 663f692fffc..a3c23d686d5 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -191,8 +191,6 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer); for (index = 0; index < number_of_elements; index++) { - int source_name_index = 2; - int source_index_index = 3; /* * Point user_prt past this current structure @@ -261,27 +259,6 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, return_ACPI_STATUS(AE_BAD_DATA); } - /* - * If BIOS erroneously reversed the _PRT source_name and source_index, - * then reverse them back. - */ - if ((sub_object_list[3])->common.type != - ACPI_TYPE_INTEGER) { - if (acpi_gbl_enable_interpreter_slack) { - source_name_index = 3; - source_index_index = 2; - printk(KERN_WARNING - "ACPI: Handling Garbled _PRT entry\n"); - } else { - ACPI_ERROR((AE_INFO, - "(PRT[%X].source_index) Need Integer, found %s", - index, - acpi_ut_get_object_type_name - (sub_object_list[3]))); - return_ACPI_STATUS(AE_BAD_DATA); - } - } - user_prt->pin = (u32) obj_desc->integer.value; /* @@ -304,7 +281,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, * 3) Third subobject: Dereference the PRT.source_name * The name may be unresolved (slack mode), so allow a null object */ - obj_desc = sub_object_list[source_name_index]; + obj_desc = sub_object_list[2]; if (obj_desc) { switch (obj_desc->common.type) { case ACPI_TYPE_LOCAL_REFERENCE: @@ -378,7 +355,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, /* 4) Fourth subobject: Dereference the PRT.source_index */ - obj_desc = sub_object_list[source_index_index]; + obj_desc = sub_object_list[3]; if (obj_desc->common.type != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, "(PRT[%X].SourceIndex) Need Integer, found %s", diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index e8f7b64e92d..ae862f1798d 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -312,7 +312,7 @@ int acpi_bus_set_power(acpi_handle handle, int state) end: if (result) printk(KERN_WARNING PREFIX - "Transitioning device [%s] to D%d\n", + "Device [%s] failed to transition to D%d\n", device->pnp.bus_id, state); else { device->power.state = state; diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index d73c94b8441..9195deba9d9 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -1,5 +1,5 @@ /* - * acpi_button.c - ACPI Button Driver ($Revision: 30 $) + * button.c - ACPI Button Driver * * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> @@ -41,17 +41,13 @@ #define ACPI_BUTTON_SUBCLASS_POWER "power" #define ACPI_BUTTON_HID_POWER "PNP0C0C" -#define ACPI_BUTTON_DEVICE_NAME_POWER "Power Button (CM)" -#define ACPI_BUTTON_DEVICE_NAME_POWERF "Power Button (FF)" +#define ACPI_BUTTON_DEVICE_NAME_POWER "Power Button" #define ACPI_BUTTON_TYPE_POWER 0x01 -#define ACPI_BUTTON_TYPE_POWERF 0x02 #define ACPI_BUTTON_SUBCLASS_SLEEP "sleep" #define ACPI_BUTTON_HID_SLEEP "PNP0C0E" -#define ACPI_BUTTON_DEVICE_NAME_SLEEP "Sleep Button (CM)" -#define ACPI_BUTTON_DEVICE_NAME_SLEEPF "Sleep Button (FF)" +#define ACPI_BUTTON_DEVICE_NAME_SLEEP "Sleep Button" #define ACPI_BUTTON_TYPE_SLEEP 0x03 -#define ACPI_BUTTON_TYPE_SLEEPF 0x04 #define ACPI_BUTTON_SUBCLASS_LID "lid" #define ACPI_BUTTON_HID_LID "PNP0C0D" @@ -95,7 +91,6 @@ static struct acpi_driver acpi_button_driver = { }; struct acpi_button { - struct acpi_device *device; /* Fixed button kludge */ unsigned int type; struct input_dev *input; char phys[32]; /* for input device */ @@ -126,14 +121,10 @@ 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 = seq->private; - - if (!button || !button->device) - return 0; + struct acpi_device *device = seq->private; seq_printf(seq, "type: %s\n", - acpi_device_name(button->device)); - + acpi_device_name(device)); return 0; } @@ -144,14 +135,11 @@ 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 = seq->private; + struct acpi_device *device = seq->private; acpi_status status; unsigned long long state; - if (!button || !button->device) - return 0; - - status = acpi_evaluate_integer(button->device->handle, "_LID", NULL, &state); + status = acpi_evaluate_integer(device->handle, "_LID", NULL, &state); seq_printf(seq, "state: %s\n", ACPI_FAILURE(status) ? "unsupported" : (state ? "open" : "closed")); @@ -169,24 +157,17 @@ static struct proc_dir_entry *acpi_lid_dir; static int acpi_button_add_fs(struct acpi_device *device) { + struct acpi_button *button = acpi_driver_data(device); struct proc_dir_entry *entry = NULL; - struct acpi_button *button; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - button = acpi_driver_data(device); switch (button->type) { case ACPI_BUTTON_TYPE_POWER: - case ACPI_BUTTON_TYPE_POWERF: if (!acpi_power_dir) acpi_power_dir = proc_mkdir(ACPI_BUTTON_SUBCLASS_POWER, acpi_button_dir); entry = acpi_power_dir; break; case ACPI_BUTTON_TYPE_SLEEP: - case ACPI_BUTTON_TYPE_SLEEPF: if (!acpi_sleep_dir) acpi_sleep_dir = proc_mkdir(ACPI_BUTTON_SUBCLASS_SLEEP, acpi_button_dir); @@ -210,8 +191,7 @@ static int acpi_button_add_fs(struct acpi_device *device) /* 'info' [R] */ entry = proc_create_data(ACPI_BUTTON_FILE_INFO, S_IRUGO, acpi_device_dir(device), - &acpi_button_info_fops, - acpi_driver_data(device)); + &acpi_button_info_fops, device); if (!entry) return -ENODEV; @@ -219,8 +199,7 @@ static int acpi_button_add_fs(struct acpi_device *device) if (button->type == ACPI_BUTTON_TYPE_LID) { entry = proc_create_data(ACPI_BUTTON_FILE_STATE, S_IRUGO, acpi_device_dir(device), - &acpi_button_state_fops, - acpi_driver_data(device)); + &acpi_button_state_fops, device); if (!entry) return -ENODEV; } @@ -250,15 +229,16 @@ static int acpi_button_remove_fs(struct acpi_device *device) /* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ -static int acpi_lid_send_state(struct acpi_button *button) +static int acpi_lid_send_state(struct acpi_device *device) { + struct acpi_button *button = acpi_driver_data(device); unsigned long long state; acpi_status status; - status = acpi_evaluate_integer(button->device->handle, "_LID", NULL, - &state); + status = acpi_evaluate_integer(device->handle, "_LID", NULL, &state); if (ACPI_FAILURE(status)) return -ENODEV; + /* input layer checks if event is redundant */ input_report_switch(button->input, SW_LID, !state); input_sync(button->input); @@ -270,9 +250,6 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) struct acpi_button *button = acpi_driver_data(device); struct input_dev *input; - if (!button || !button->device) - return; - switch (event) { case ACPI_FIXED_HARDWARE_EVENT: event = ACPI_BUTTON_NOTIFY_STATUS; @@ -280,7 +257,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) case ACPI_BUTTON_NOTIFY_STATUS: input = button->input; if (button->type == ACPI_BUTTON_TYPE_LID) { - acpi_lid_send_state(button); + acpi_lid_send_state(device); } else { int keycode = test_bit(KEY_SLEEP, input->keybit) ? KEY_SLEEP : KEY_POWER; @@ -291,43 +268,35 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) input_sync(input); } - acpi_bus_generate_proc_event(button->device, event, - ++button->pushed); + acpi_bus_generate_proc_event(device, event, ++button->pushed); break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); break; } - - return; } static int acpi_button_resume(struct acpi_device *device) { - struct acpi_button *button; - if (!device) - return -EINVAL; - button = acpi_driver_data(device); - if (button && button->type == ACPI_BUTTON_TYPE_LID) - return acpi_lid_send_state(button); + struct acpi_button *button = acpi_driver_data(device); + + if (button->type == ACPI_BUTTON_TYPE_LID) + return acpi_lid_send_state(device); return 0; } static int acpi_button_add(struct acpi_device *device) { - int error; struct acpi_button *button; struct input_dev *input; - - if (!device) - return -EINVAL; + char *hid, *name, *class; + int error; button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL); if (!button) return -ENOMEM; - button->device = device; device->driver_data = button; button->input = input = input_allocate_device(); @@ -336,40 +305,29 @@ static int acpi_button_add(struct acpi_device *device) goto err_free_button; } - /* - * Determine the button type (via hid), as fixed-feature buttons - * need to be handled a bit differently than generic-space. - */ - if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_POWER)) { + hid = acpi_device_hid(device); + name = acpi_device_name(device); + class = acpi_device_class(device); + + if (!strcmp(hid, ACPI_BUTTON_HID_POWER) || + !strcmp(hid, ACPI_BUTTON_HID_POWERF)) { button->type = ACPI_BUTTON_TYPE_POWER; - strcpy(acpi_device_name(device), ACPI_BUTTON_DEVICE_NAME_POWER); - sprintf(acpi_device_class(device), "%s/%s", - ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER); - } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_POWERF)) { - button->type = ACPI_BUTTON_TYPE_POWERF; - strcpy(acpi_device_name(device), - ACPI_BUTTON_DEVICE_NAME_POWERF); - sprintf(acpi_device_class(device), "%s/%s", + strcpy(name, ACPI_BUTTON_DEVICE_NAME_POWER); + sprintf(class, "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER); - } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_SLEEP)) { + } else if (!strcmp(hid, ACPI_BUTTON_HID_SLEEP) || + !strcmp(hid, ACPI_BUTTON_HID_SLEEPF)) { button->type = ACPI_BUTTON_TYPE_SLEEP; - strcpy(acpi_device_name(device), ACPI_BUTTON_DEVICE_NAME_SLEEP); - sprintf(acpi_device_class(device), "%s/%s", - ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP); - } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_SLEEPF)) { - button->type = ACPI_BUTTON_TYPE_SLEEPF; - strcpy(acpi_device_name(device), - ACPI_BUTTON_DEVICE_NAME_SLEEPF); - sprintf(acpi_device_class(device), "%s/%s", + strcpy(name, ACPI_BUTTON_DEVICE_NAME_SLEEP); + sprintf(class, "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP); - } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_LID)) { + } else if (!strcmp(hid, ACPI_BUTTON_HID_LID)) { button->type = ACPI_BUTTON_TYPE_LID; - strcpy(acpi_device_name(device), ACPI_BUTTON_DEVICE_NAME_LID); - sprintf(acpi_device_class(device), "%s/%s", + strcpy(name, ACPI_BUTTON_DEVICE_NAME_LID); + sprintf(class, "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID); } else { - printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", - acpi_device_hid(device)); + printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", hid); error = -ENODEV; goto err_free_input; } @@ -378,10 +336,9 @@ static int acpi_button_add(struct acpi_device *device) if (error) goto err_free_input; - snprintf(button->phys, sizeof(button->phys), - "%s/button/input0", acpi_device_hid(device)); + snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid); - input->name = acpi_device_name(device); + input->name = name; input->phys = button->phys; input->id.bustype = BUS_HOST; input->id.product = button->type; @@ -389,13 +346,11 @@ static int acpi_button_add(struct acpi_device *device) switch (button->type) { case ACPI_BUTTON_TYPE_POWER: - case ACPI_BUTTON_TYPE_POWERF: input->evbit[0] = BIT_MASK(EV_KEY); set_bit(KEY_POWER, input->keybit); break; case ACPI_BUTTON_TYPE_SLEEP: - case ACPI_BUTTON_TYPE_SLEEPF: input->evbit[0] = BIT_MASK(EV_KEY); set_bit(KEY_SLEEP, input->keybit); break; @@ -410,7 +365,7 @@ static int acpi_button_add(struct acpi_device *device) if (error) goto err_remove_fs; if (button->type == ACPI_BUTTON_TYPE_LID) - acpi_lid_send_state(button); + acpi_lid_send_state(device); if (device->wakeup.flags.valid) { /* Button's GPE is run-wake GPE */ @@ -422,9 +377,7 @@ static int acpi_button_add(struct acpi_device *device) device->wakeup.state.enabled = 1; } - printk(KERN_INFO PREFIX "%s [%s]\n", - acpi_device_name(device), acpi_device_bid(device)); - + printk(KERN_INFO PREFIX "%s [%s]\n", name, acpi_device_bid(device)); return 0; err_remove_fs: @@ -438,17 +391,11 @@ static int acpi_button_add(struct acpi_device *device) static int acpi_button_remove(struct acpi_device *device, int type) { - struct acpi_button *button; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - button = acpi_driver_data(device); + struct acpi_button *button = acpi_driver_data(device); acpi_button_remove_fs(device); input_unregister_device(button->input); kfree(button); - return 0; } @@ -459,6 +406,7 @@ static int __init acpi_button_init(void) acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir); if (!acpi_button_dir) return -ENODEV; + result = acpi_bus_register_driver(&acpi_button_driver); if (result < 0) { remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 04e90443eff..391f331674c 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1065,6 +1065,7 @@ static int acpi_ec_resume(struct acpi_device *device) struct acpi_ec *ec = acpi_driver_data(device); /* Enable use of GPE back */ clear_bit(EC_FLAGS_NO_GPE, &ec->flags); + set_bit(EC_FLAGS_GPE_MODE, &ec->flags); acpi_enable_gpe(NULL, ec->gpe); return 0; } diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index d59f08ecaf1..d916bea729f 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -353,8 +353,10 @@ static irqreturn_t acpi_irq(int irq, void *dev_id) if (handled) { acpi_irq_handled++; return IRQ_HANDLED; - } else + } else { + acpi_irq_not_handled++; return IRQ_NONE; + } } acpi_status diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c index 95650f83ce2..bc46de3d967 100644 --- a/drivers/acpi/pci_bind.c +++ b/drivers/acpi/pci_bind.c @@ -116,9 +116,6 @@ int acpi_pci_bind(struct acpi_device *device) struct acpi_pci_data *pdata; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; acpi_handle handle; - struct pci_dev *dev; - struct pci_bus *bus; - if (!device || !device->parent) return -EINVAL; @@ -176,20 +173,9 @@ int acpi_pci_bind(struct acpi_device *device) * Locate matching device in PCI namespace. If it doesn't exist * this typically means that the device isn't currently inserted * (e.g. docking station, port replicator, etc.). - * We cannot simply search the global pci device list, since - * PCI devices are added to the global pci list when the root - * bridge start ops are run, which may not have happened yet. */ - bus = pci_find_bus(data->id.segment, data->id.bus); - if (bus) { - list_for_each_entry(dev, &bus->devices, bus_list) { - if (dev->devfn == PCI_DEVFN(data->id.device, - data->id.function)) { - data->dev = dev; - break; - } - } - } + data->dev = pci_get_slot(pdata->bus, + PCI_DEVFN(data->id.device, data->id.function)); if (!data->dev) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device %04x:%02x:%02x.%d not present in PCI namespace\n", @@ -259,9 +245,10 @@ int acpi_pci_bind(struct acpi_device *device) end: kfree(buffer.pointer); - if (result) + if (result) { + pci_dev_put(data->dev); kfree(data); - + } return result; } @@ -303,6 +290,7 @@ static int acpi_pci_unbind(struct acpi_device *device) if (data->dev->subordinate) { acpi_pci_irq_del_prt(data->id.segment, data->bus->number); } + pci_dev_put(data->dev); kfree(data); end: diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 6fe121434ff..10a2d913635 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -148,6 +148,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr, if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT)) return; + if (boot_cpu_has(X86_FEATURE_AMDC1E)) + type = ACPI_STATE_C1; + /* * Check, if one of the previous states already marked the lapic * unstable @@ -202,21 +205,44 @@ static void acpi_state_timer_broadcast(struct acpi_processor *pr, * Suspend / resume control */ static int acpi_idle_suspend; +static u32 saved_bm_rld; + +static void acpi_idle_bm_rld_save(void) +{ + acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_RLD, &saved_bm_rld); +} +static void acpi_idle_bm_rld_restore(void) +{ + u32 resumed_bm_rld; + + acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_RLD, &resumed_bm_rld); + + if (resumed_bm_rld != saved_bm_rld) + acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld); +} int acpi_processor_suspend(struct acpi_device * device, pm_message_t state) { + if (acpi_idle_suspend == 1) + return 0; + + acpi_idle_bm_rld_save(); acpi_idle_suspend = 1; return 0; } int acpi_processor_resume(struct acpi_device * device) { + if (acpi_idle_suspend == 0) + return 0; + + acpi_idle_bm_rld_restore(); acpi_idle_suspend = 0; return 0; } #if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) -static int tsc_halts_in_c(int state) +static void tsc_check_state(int state) { switch (boot_cpu_data.x86_vendor) { case X86_VENDOR_AMD: @@ -226,13 +252,17 @@ static int tsc_halts_in_c(int state) * C/P/S0/S1 states when this bit is set. */ if (boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) - return 0; + return; /*FALL THROUGH*/ default: - return state > ACPI_STATE_C1; + /* TSC could halt in idle, so notify users */ + if (state > ACPI_STATE_C1) + mark_tsc_unstable("TSC halts in idle"); } } +#else +static void tsc_check_state(int state) { return; } #endif static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) @@ -578,12 +608,13 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) pr->power.timer_broadcast_on_state = INT_MAX; - for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { + for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { struct acpi_processor_cx *cx = &pr->power.states[i]; switch (cx->type) { case ACPI_STATE_C1: cx->valid = 1; + acpi_timer_check_state(i, pr, cx); break; case ACPI_STATE_C2: @@ -598,6 +629,8 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) acpi_timer_check_state(i, pr, cx); break; } + if (cx->valid) + tsc_check_state(cx->type); if (cx->valid) working++; @@ -657,11 +690,9 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "active state: C%zd\n" "max_cstate: C%d\n" - "bus master activity: %08x\n" "maximum allowed latency: %d usec\n", pr->power.state ? pr->power.state - pr->power.states : 0, - max_cstate, (unsigned)pr->power.bm_activity, - pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)); + max_cstate, pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)); seq_puts(seq, "states:\n"); @@ -803,11 +834,12 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, /* Do not access any ACPI IO ports in suspend path */ if (acpi_idle_suspend) { - acpi_safe_halt(); local_irq_enable(); + cpu_relax(); return 0; } + acpi_state_timer_broadcast(pr, cx, 1); kt1 = ktime_get_real(); acpi_idle_do_entry(cx); kt2 = ktime_get_real(); @@ -815,6 +847,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, local_irq_enable(); cx->usage++; + acpi_state_timer_broadcast(pr, cx, 0); return idle_time; } @@ -871,11 +904,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, kt2 = ktime_get_real(); idle_time = ktime_to_us(ktime_sub(kt2, kt1)); -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) - /* TSC could halt in idle, so notify users */ - if (tsc_halts_in_c(cx->type)) - mark_tsc_unstable("TSC halts in idle");; -#endif sleep_ticks = us_to_pm_timer_ticks(idle_time); /* Tell the scheduler how much we idled: */ @@ -955,6 +983,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, */ acpi_state_timer_broadcast(pr, cx, 1); + kt1 = ktime_get_real(); /* * disable bus master * bm_check implies we need ARB_DIS @@ -976,10 +1005,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, ACPI_FLUSH_CPU_CACHE(); } - kt1 = ktime_get_real(); acpi_idle_do_entry(cx); - kt2 = ktime_get_real(); - idle_time = ktime_to_us(ktime_sub(kt2, kt1)); /* Re-enable bus master arbitration */ if (pr->flags.bm_check && pr->flags.bm_control) { @@ -988,12 +1014,9 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, c3_cpu_count--; spin_unlock(&c3_lock); } + kt2 = ktime_get_real(); + idle_time = ktime_to_us(ktime_sub(kt2, kt1)); -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) - /* TSC could halt in idle, so notify users */ - if (tsc_halts_in_c(ACPI_STATE_C3)) - mark_tsc_unstable("TSC halts in idle"); -#endif sleep_ticks = us_to_pm_timer_ticks(idle_time); /* Tell the scheduler how much we idled: */ sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); @@ -1037,6 +1060,9 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr) dev->states[i].desc[0] = '\0'; } + if (max_cstate == 0) + max_cstate = 1; + for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { cx = &pr->power.states[i]; state = &dev->states[count]; diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index cafb41000f6..60e543d3234 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -309,9 +309,15 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) (u32) px->bus_master_latency, (u32) px->control, (u32) px->status)); - if (!px->core_frequency) { - printk(KERN_ERR PREFIX - "Invalid _PSS data: freq is zero\n"); + /* + * Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq + */ + if (!px->core_frequency || + ((u32)(px->core_frequency * 1000) != + (px->core_frequency * 1000))) { + printk(KERN_ERR FW_BUG PREFIX + "Invalid BIOS _PSS frequency: 0x%llx MHz\n", + px->core_frequency); result = -EFAULT; kfree(pr->performance->states); goto end; diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index d0d1f4d5043..227543789ba 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -45,6 +45,14 @@ #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_throttling"); +/* ignore_tpc: + * 0 -> acpi processor driver doesn't ignore _TPC values + * 1 -> acpi processor driver ignores _TPC values + */ +static int ignore_tpc; +module_param(ignore_tpc, int, 0644); +MODULE_PARM_DESC(ignore_tpc, "Disable broken BIOS _TPC throttling support"); + struct throttling_tstate { unsigned int cpu; /* cpu nr */ int target_state; /* target T-state */ @@ -283,6 +291,10 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr) if (!pr) return -EINVAL; + + if (ignore_tpc) + goto end; + status = acpi_evaluate_integer(pr->handle, "_TPC", NULL, &tpc); if (ACPI_FAILURE(status)) { if (status != AE_NOT_FOUND) { @@ -290,6 +302,8 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr) } return -ENODEV; } + +end: pr->throttling_platform_limit = (int)tpc; return 0; } @@ -302,6 +316,9 @@ int acpi_processor_tstate_has_changed(struct acpi_processor *pr) struct acpi_processor_limit *limit; int target_state; + if (ignore_tpc) + return 0; + result = acpi_processor_get_platform_limit(pr); if (result) { /* Throttling Limit is unsupported */ @@ -821,6 +838,14 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr) ret = acpi_read_throttling_status(pr, &value); if (ret >= 0) { state = acpi_get_throttling_state(pr, value); + if (state == -1) { + ACPI_WARNING((AE_INFO, + "Invalid throttling state, reset")); + state = 0; + ret = acpi_processor_set_throttling(pr, state); + if (ret) + return ret; + } pr->throttling.state = state; } diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 779e4e500df..01574a06653 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -300,9 +300,9 @@ static int acpi_suspend_state_valid(suspend_state_t pm_state) static struct platform_suspend_ops acpi_suspend_ops = { .valid = acpi_suspend_state_valid, .begin = acpi_suspend_begin, - .prepare = acpi_pm_prepare, + .prepare_late = acpi_pm_prepare, .enter = acpi_suspend_enter, - .finish = acpi_pm_finish, + .wake = acpi_pm_finish, .end = acpi_pm_end, }; @@ -328,9 +328,9 @@ static int acpi_suspend_begin_old(suspend_state_t pm_state) static struct platform_suspend_ops acpi_suspend_ops_old = { .valid = acpi_suspend_state_valid, .begin = acpi_suspend_begin_old, - .prepare = acpi_pm_disable_gpes, + .prepare_late = acpi_pm_disable_gpes, .enter = acpi_suspend_enter, - .finish = acpi_pm_finish, + .wake = acpi_pm_finish, .end = acpi_pm_end, .recover = acpi_pm_finish, }; @@ -713,6 +713,32 @@ static void acpi_power_off(void) acpi_enter_sleep_state(ACPI_STATE_S5); } +/* + * ACPI 2.0 created the optional _GTS and _BFS, + * but industry adoption has been neither rapid nor broad. + * + * Linux gets into trouble when it executes poorly validated + * paths through the BIOS, so disable _GTS and _BFS by default, + * but do speak up and offer the option to enable them. + */ +void __init acpi_gts_bfs_check(void) +{ + acpi_handle dummy; + + if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__GTS, &dummy))) + { + printk(KERN_NOTICE PREFIX "BIOS offers _GTS\n"); + printk(KERN_NOTICE PREFIX "If \"acpi.gts=1\" improves suspend, " + "please notify linux-acpi@vger.kernel.org\n"); + } + if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__BFS, &dummy))) + { + printk(KERN_NOTICE PREFIX "BIOS offers _BFS\n"); + printk(KERN_NOTICE PREFIX "If \"acpi.bfs=1\" improves resume, " + "please notify linux-acpi@vger.kernel.org\n"); + } +} + int __init acpi_sleep_init(void) { acpi_status status; @@ -771,5 +797,6 @@ int __init acpi_sleep_init(void) * object can also be evaluated when the system enters S5. */ register_reboot_notifier(&tts_notifier); + acpi_gts_bfs_check(); return 0; } diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index da51f05ef8d..0944daec064 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -38,6 +38,7 @@ ACPI_MODULE_NAME("system"); #define ACPI_SYSTEM_DEVICE_NAME "System" u32 acpi_irq_handled; +u32 acpi_irq_not_handled; /* * Make ACPICA version work as module param @@ -214,8 +215,9 @@ err: #define COUNT_GPE 0 #define COUNT_SCI 1 /* acpi_irq_handled */ -#define COUNT_ERROR 2 /* other */ -#define NUM_COUNTERS_EXTRA 3 +#define COUNT_SCI_NOT 2 /* acpi_irq_not_handled */ +#define COUNT_ERROR 3 /* other */ +#define NUM_COUNTERS_EXTRA 4 struct event_counter { u32 count; @@ -317,6 +319,8 @@ static ssize_t counter_show(struct kobject *kobj, all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count = acpi_irq_handled; + all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT].count = + acpi_irq_not_handled; all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count = acpi_gpe_count; @@ -363,6 +367,7 @@ static ssize_t counter_set(struct kobject *kobj, all_counters[i].count = 0; acpi_gpe_count = 0; acpi_irq_handled = 0; + acpi_irq_not_handled = 0; goto end; } @@ -456,6 +461,8 @@ void acpi_irq_stats_init(void) sprintf(buffer, "gpe_all"); else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) sprintf(buffer, "sci"); + else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT) + sprintf(buffer, "sci_not"); else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR) sprintf(buffer, "error"); else diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 9cd15e8c893..564ea142428 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -909,7 +909,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) thermal_zone_device_register("acpitz", trips, tz, &acpi_thermal_zone_ops, 0, 0, 0, - tz->polling_frequency); + tz->polling_frequency*100); if (IS_ERR(tz->thermal_zone)) return -ENODEV; diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index cd4fb7543a9..1bdfb37377e 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -538,6 +538,57 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level) return -EINVAL; } +/* + * For some buggy _BQC methods, we need to add a constant value to + * the _BQC return value to get the actual current brightness level + */ + +static int bqc_offset_aml_bug_workaround; +static int __init video_set_bqc_offset(const struct dmi_system_id *d) +{ + bqc_offset_aml_bug_workaround = 9; + return 0; +} + +static struct dmi_system_id video_dmi_table[] __initdata = { + /* + * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 + */ + { + .callback = video_set_bqc_offset, + .ident = "Acer Aspire 5720", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"), + }, + }, + { + .callback = video_set_bqc_offset, + .ident = "Acer Aspire 5710Z", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"), + }, + }, + { + .callback = video_set_bqc_offset, + .ident = "eMachines E510", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "EMACHINES"), + DMI_MATCH(DMI_PRODUCT_NAME, "eMachines E510"), + }, + }, + { + .callback = video_set_bqc_offset, + .ident = "Acer Aspire 5315", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"), + }, + }, + {} +}; + static int acpi_video_device_lcd_get_level_current(struct acpi_video_device *device, unsigned long long *level) @@ -557,6 +608,7 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device, *level = device->brightness->levels[*level + 2]; } + *level += bqc_offset_aml_bug_workaround; device->brightness->curr = *level; return 0; } else { @@ -770,10 +822,12 @@ acpi_video_init_brightness(struct acpi_video_device *device) * In this case, the first two elements in _BCL packages * are also supported brightness levels that OS should take care of. */ - for (i = 2; i < count; i++) - if (br->levels[i] == br->levels[0] || - br->levels[i] == br->levels[1]) + for (i = 2; i < count; i++) { + if (br->levels[i] == br->levels[0]) level_ac_battery++; + if (br->levels[i] == br->levels[1]) + level_ac_battery++; + } if (level_ac_battery < 2) { level_ac_battery = 2 - level_ac_battery; @@ -807,12 +861,19 @@ acpi_video_init_brightness(struct acpi_video_device *device) br->flags._BCM_use_index = br->flags._BCL_use_index; /* _BQC uses INDEX while _BCL uses VALUE in some laptops */ - br->curr = max_level; + br->curr = level_old = max_level; + + if (!device->cap._BQC) + goto set_level; + result = acpi_video_device_lcd_get_level_current(device, &level_old); if (result) goto out_free_levels; - result = acpi_video_device_lcd_set_level(device, br->curr); + /* + * Set the level to maximum and check if _BQC uses indexed value + */ + result = acpi_video_device_lcd_set_level(device, max_level); if (result) goto out_free_levels; @@ -820,25 +881,19 @@ acpi_video_init_brightness(struct acpi_video_device *device) if (result) goto out_free_levels; - if ((level != level_old) && !br->flags._BCM_use_index) { - /* Note: - * This piece of code does not work correctly if the current - * brightness levels is 0. - * But I guess boxes that boot with such a dark screen are rare - * and no more code is needed to cover this specifial case. - */ - - if (level_ac_battery != 2) { - /* - * For now, we don't support the _BCL like this: - * 16, 15, 0, 1, 2, 3, ..., 14, 15, 16 - * because we may mess up the index returned by _BQC. - * Plus: we have not got a box like this. - */ - ACPI_ERROR((AE_INFO, "_BCL not supported\n")); - } - br->flags._BQC_use_index = 1; - } + br->flags._BQC_use_index = (level == max_level ? 0 : 1); + + if (!br->flags._BQC_use_index) + goto set_level; + + if (br->flags._BCL_reversed) + level_old = (br->count - 1) - level_old; + level_old = br->levels[level_old]; + +set_level: + result = acpi_video_device_lcd_set_level(device, level_old); + if (result) + goto out_free_levels; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "found %d brightness levels\n", count - 2)); @@ -2287,13 +2342,15 @@ EXPORT_SYMBOL(acpi_video_register); static int __init acpi_video_init(void) { + dmi_check_system(video_dmi_table); + if (intel_opregion_present()) return 0; return acpi_video_register(); } -static void __exit acpi_video_exit(void) +void acpi_video_exit(void) { acpi_bus_unregister_driver(&acpi_video_bus); @@ -2302,6 +2359,7 @@ static void __exit acpi_video_exit(void) return; } +EXPORT_SYMBOL(acpi_video_exit); module_init(acpi_video_init); module_exit(acpi_video_exit); diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 08186ecbaf8..6b91c26a463 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -220,6 +220,7 @@ enum { AHCI_HFLAG_NO_HOTPLUG = (1 << 7), /* ignore PxSERR.DIAG.N */ AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */ AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */ + AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */ /* ap->flags bits */ @@ -2316,9 +2317,17 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg) static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) { struct ata_host *host = dev_get_drvdata(&pdev->dev); + struct ahci_host_priv *hpriv = host->private_data; void __iomem *mmio = host->iomap[AHCI_PCI_BAR]; u32 ctl; + if (mesg.event & PM_EVENT_SUSPEND && + hpriv->flags & AHCI_HFLAG_NO_SUSPEND) { + dev_printk(KERN_ERR, &pdev->dev, + "BIOS update required for suspend/resume\n"); + return -EIO; + } + if (mesg.event & PM_EVENT_SLEEP) { /* AHCI spec rev1.1 section 8.3.3: * Software must disable interrupts prior to requesting a @@ -2610,6 +2619,63 @@ static bool ahci_broken_system_poweroff(struct pci_dev *pdev) return false; } +static bool ahci_broken_suspend(struct pci_dev *pdev) +{ + static const struct dmi_system_id sysids[] = { + /* + * On HP dv[4-6] and HDX18 with earlier BIOSen, link + * to the harddisk doesn't become online after + * resuming from STR. Warn and fail suspend. + */ + { + .ident = "dv4", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP Pavilion dv4 Notebook PC"), + }, + .driver_data = "F.30", /* cutoff BIOS version */ + }, + { + .ident = "dv5", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP Pavilion dv5 Notebook PC"), + }, + .driver_data = "F.16", /* cutoff BIOS version */ + }, + { + .ident = "dv6", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP Pavilion dv6 Notebook PC"), + }, + .driver_data = "F.21", /* cutoff BIOS version */ + }, + { + .ident = "HDX18", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP HDX18 Notebook PC"), + }, + .driver_data = "F.23", /* cutoff BIOS version */ + }, + { } /* terminate list */ + }; + const struct dmi_system_id *dmi = dmi_first_match(sysids); + const char *ver; + + if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2)) + return false; + + ver = dmi_get_system_info(DMI_BIOS_VERSION); + + return !ver || strcmp(ver, dmi->driver_data) < 0; +} + static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; @@ -2715,6 +2781,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) "quirky BIOS, skipping spindown on poweroff\n"); } + if (ahci_broken_suspend(pdev)) { + hpriv->flags |= AHCI_HFLAG_NO_SUSPEND; + dev_printk(KERN_WARNING, &pdev->dev, + "BIOS update required for suspend/resume\n"); + } + /* CAP.NP sometimes indicate the index of the last enabled * port, at other times, that of the last possible port, so * determining the maximum port number requires looking at diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 942d14ac879..1aeb7082b0c 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -72,6 +72,7 @@ * ICH2 spec c #20 - IDE PRD must not cross a 64K boundary * and must be dword aligned * ICH2 spec c #24 - UDMA mode 4,5 t85/86 should be 6ns not 3.3 + * ICH7 errata #16 - MWDMA1 timings are incorrect * * Should have been BIOS fixed: * 450NX: errata #19 - DMA hangs on old 450NX @@ -94,7 +95,7 @@ #include <linux/dmi.h> #define DRV_NAME "ata_piix" -#define DRV_VERSION "2.12" +#define DRV_VERSION "2.13" enum { PIIX_IOCFG = 0x54, /* IDE I/O configuration register */ @@ -136,6 +137,7 @@ enum piix_controller_ids { ich_pata_33, /* ICH up to UDMA 33 only */ ich_pata_66, /* ICH up to 66 Mhz */ ich_pata_100, /* ICH up to UDMA 100 */ + ich_pata_100_nomwdma1, /* ICH up to UDMA 100 but with no MWDMA1*/ ich5_sata, ich6_sata, ich6m_sata, @@ -216,8 +218,8 @@ static const struct pci_device_id piix_pci_tbl[] = { /* ICH6 (and 6) (i915) UDMA 100 */ { 0x8086, 0x266F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, /* ICH7/7-R (i945, i975) UDMA 100*/ - { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, - { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, + { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 }, + { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 }, /* ICH8 Mobile PATA Controller */ { 0x8086, 0x2850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, @@ -487,6 +489,15 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &ich_pata_ops, }, + [ich_pata_100_nomwdma1] = + { + .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2_ONLY, + .udma_mask = ATA_UDMA5, + .port_ops = &ich_pata_ops, + }, + [ich5_sata] = { .flags = PIIX_SATA_FLAGS, @@ -594,6 +605,7 @@ static const struct ich_laptop ich_laptop[] = { { 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */ { 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */ { 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */ + { 0x27df, 0x104d, 0x900e }, /* ICH7 on Sony TZ-90 */ /* end marker */ { 0, } }; @@ -1443,6 +1455,15 @@ static bool piix_broken_system_poweroff(struct pci_dev *pdev) /* PCI slot number of the controller */ .driver_data = (void *)0x1FUL, }, + { + .ident = "HP Compaq nc6000", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nc6000"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x1FUL, + }, { } /* terminate list */ }; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 17c5d48a75d..c9242301cfa 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4091,7 +4091,9 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class, /* fail early if !ATA && !ATAPI to avoid issuing [P]IDENTIFY to PMP */ if (ata_class_enabled(new_class) && - new_class != ATA_DEV_ATA && new_class != ATA_DEV_ATAPI) { + new_class != ATA_DEV_ATA && + new_class != ATA_DEV_ATAPI && + new_class != ATA_DEV_SEMB) { ata_dev_printk(dev, KERN_INFO, "class mismatch %u != %u\n", dev->class, new_class); rc = -ENODEV; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 01831312c36..94919ad03df 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2783,6 +2783,12 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, } else if (dev->class == ATA_DEV_UNKNOWN && ehc->tries[dev->devno] && ata_class_enabled(ehc->classes[dev->devno])) { + /* Temporarily set dev->class, it will be + * permanently set once all configurations are + * complete. This is necessary because new + * device configuration is done in two + * separate loops. + */ dev->class = ehc->classes[dev->devno]; if (dev->class == ATA_DEV_PMP) @@ -2790,6 +2796,11 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, else rc = ata_dev_read_id(dev, &dev->class, readid_flags, dev->id); + + /* read_id might have changed class, store and reset */ + ehc->classes[dev->devno] = dev->class; + dev->class = ATA_DEV_UNKNOWN; + switch (rc) { case 0: /* clear error info accumulated during probe */ @@ -2799,13 +2810,11 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, case -ENOENT: /* IDENTIFY was issued to non-existent * device. No need to reset. Just - * thaw and kill the device. + * thaw and ignore the device. */ ata_eh_thaw_port(ap); - dev->class = ATA_DEV_UNKNOWN; break; default: - dev->class = ATA_DEV_UNKNOWN; goto err; } } @@ -2826,11 +2835,15 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, dev->class == ATA_DEV_PMP) continue; + dev->class = ehc->classes[dev->devno]; + ehc->i.flags |= ATA_EHI_PRINTINFO; rc = ata_dev_configure(dev); ehc->i.flags &= ~ATA_EHI_PRINTINFO; - if (rc) + if (rc) { + dev->class = ATA_DEV_UNKNOWN; goto err; + } spin_lock_irqsave(ap->lock, flags); ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG; @@ -3494,6 +3507,8 @@ static void ata_eh_handle_port_suspend(struct ata_port *ap) */ static void ata_eh_handle_port_resume(struct ata_port *ap) { + struct ata_link *link; + struct ata_device *dev; unsigned long flags; int rc = 0; @@ -3508,6 +3523,17 @@ static void ata_eh_handle_port_resume(struct ata_port *ap) WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED)); + /* + * Error timestamps are in jiffies which doesn't run while + * suspended and PHY events during resume isn't too uncommon. + * When the two are combined, it can lead to unnecessary speed + * downs if the machine is suspended and resumed repeatedly. + * Clear error history. + */ + ata_for_each_link(link, ap, HOST_FIRST) + ata_for_each_dev(dev, link, ALL) + ata_ering_clear(&dev->ering); + ata_acpi_set_state(ap, PMSG_ON); if (ap->ops->port_resume) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 2733b0c90b7..342316064e9 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -313,7 +313,7 @@ ata_scsi_em_message_show(struct device *dev, struct device_attribute *attr, return ap->ops->em_show(ap, buf); return -EINVAL; } -DEVICE_ATTR(em_message, S_IRUGO | S_IWUGO, +DEVICE_ATTR(em_message, S_IRUGO | S_IWUSR, ata_scsi_em_message_show, ata_scsi_em_message_store); EXPORT_SYMBOL_GPL(dev_attr_em_message); @@ -366,7 +366,7 @@ ata_scsi_activity_store(struct device *dev, struct device_attribute *attr, } return -EINVAL; } -DEVICE_ATTR(sw_activity, S_IWUGO | S_IRUGO, ata_scsi_activity_show, +DEVICE_ATTR(sw_activity, S_IWUSR | S_IRUGO, ata_scsi_activity_show, ata_scsi_activity_store); EXPORT_SYMBOL_GPL(dev_attr_sw_activity); @@ -2142,13 +2142,14 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf) static unsigned int ata_scsiop_inq_b1(struct ata_scsi_args *args, u8 *rbuf) { + int form_factor = ata_id_form_factor(args->id); + int media_rotation_rate = ata_id_rotation_rate(args->id); + rbuf[1] = 0xb1; rbuf[3] = 0x3c; - if (ata_id_major_version(args->id) > 7) { - rbuf[4] = args->id[217] >> 8; - rbuf[5] = args->id[217]; - rbuf[7] = args->id[168] & 0xf; - } + rbuf[4] = media_rotation_rate >> 8; + rbuf[5] = media_rotation_rate; + rbuf[7] = form_factor; return 0; } @@ -2376,7 +2377,23 @@ saving_not_supp: */ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) { - u64 last_lba = args->dev->n_sectors - 1; /* LBA of the last block */ + struct ata_device *dev = args->dev; + u64 last_lba = dev->n_sectors - 1; /* LBA of the last block */ + u8 log_per_phys = 0; + u16 lowest_aligned = 0; + u16 word_106 = dev->id[106]; + u16 word_209 = dev->id[209]; + + if ((word_106 & 0xc000) == 0x4000) { + /* Number and offset of logical sectors per physical sector */ + if (word_106 & (1 << 13)) + log_per_phys = word_106 & 0xf; + if ((word_209 & 0xc000) == 0x4000) { + u16 first = dev->id[209] & 0x3fff; + if (first > 0) + lowest_aligned = (1 << log_per_phys) - first; + } + } VPRINTK("ENTER\n"); @@ -2407,6 +2424,11 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) /* sector size */ rbuf[10] = ATA_SECT_SIZE >> 8; rbuf[11] = ATA_SECT_SIZE & 0xff; + + rbuf[12] = 0; + rbuf[13] = log_per_phys; + rbuf[14] = (lowest_aligned >> 8) & 0x3f; + rbuf[15] = lowest_aligned; } return 0; diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 751b7ea4816..fc9c5d6d7d8 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -497,14 +497,16 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) }; /* Revision 0x20 added DMA */ static const struct ata_port_info info_20 = { - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | + ATA_FLAG_IGN_SIMPLEX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .port_ops = &ali_20_port_ops }; /* Revision 0x20 with support logic added UDMA */ static const struct ata_port_info info_20_udma = { - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | + ATA_FLAG_IGN_SIMPLEX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA2, @@ -512,7 +514,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) }; /* Revision 0xC2 adds UDMA66 */ static const struct ata_port_info info_c2 = { - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | + ATA_FLAG_IGN_SIMPLEX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA4, @@ -520,7 +523,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) }; /* Revision 0xC3 is UDMA66 for now */ static const struct ata_port_info info_c3 = { - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | + ATA_FLAG_IGN_SIMPLEX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA4, @@ -528,7 +532,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) }; /* Revision 0xC4 is UDMA100 */ static const struct ata_port_info info_c4 = { - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | + ATA_FLAG_IGN_SIMPLEX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA5, @@ -536,7 +541,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) }; /* Revision 0xC5 is UDMA133 with LBA48 DMA */ static const struct ata_port_info info_c5 = { - .flags = ATA_FLAG_SLAVE_POSS, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_IGN_SIMPLEX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA6, diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 2085e0a3a05..2a6412f5d11 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -22,7 +22,7 @@ #include <linux/ata.h> #define DRV_NAME "pata_efar" -#define DRV_VERSION "0.4.4" +#define DRV_VERSION "0.4.5" /** * efar_pre_reset - Enable bits @@ -98,18 +98,17 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) { 2, 1 }, { 2, 3 }, }; - if (pio > 2) - control |= 1; /* TIME1 enable */ + if (pio > 1) + control |= 1; /* TIME */ if (ata_pio_need_iordy(adev)) /* PIO 3/4 require IORDY */ - control |= 2; /* IE enable */ - /* Intel specifies that the PPE functionality is for disk only */ + control |= 2; /* IE */ + /* Intel specifies that the prefetch/posting is for disk only */ if (adev->class == ATA_DEV_ATA) - control |= 4; /* PPE enable */ + control |= 4; /* PPE */ pci_read_config_word(dev, idetm_port, &idetm_data); - /* Enable PPE, IE and TIME as appropriate */ - + /* Set PPE, IE, and TIME as appropriate */ if (adev->devno == 0) { idetm_data &= 0xCCF0; idetm_data |= control; @@ -129,7 +128,7 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) pci_write_config_byte(dev, 0x44, slave_data); } - idetm_data |= 0x4000; /* Ensure SITRE is enabled */ + idetm_data |= 0x4000; /* Ensure SITRE is set */ pci_write_config_word(dev, idetm_port, idetm_data); } diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index f72c6c5b820..6932e56d179 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -48,6 +48,7 @@ * */ +#include <linux/async.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> @@ -1028,6 +1029,7 @@ static __init int legacy_init_one(struct legacy_probe *probe) &legacy_sht); if (ret) goto fail; + async_synchronize_full(); ld->platform_dev = pdev; /* Nothing found means we drop the port as its probably not there */ diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index bdb236957cb..9a698097134 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -20,13 +20,24 @@ /* No PIO or DMA methods needed for this device */ +static unsigned int netcell_read_id(struct ata_device *adev, + struct ata_taskfile *tf, u16 *id) +{ + unsigned int err_mask = ata_do_dev_read_id(adev, tf, id); + /* Firmware forgets to mark words 85-87 valid */ + if (err_mask == 0) + id[ATA_ID_CSF_DEFAULT] |= 0x0400; + return err_mask; +} + static struct scsi_host_template netcell_sht = { ATA_BMDMA_SHT(DRV_NAME), }; static struct ata_port_operations netcell_ops = { .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_80wire, + .cable_detect = ata_cable_80wire, + .read_id = netcell_read_id, }; diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index 5fedb3d4032..2f3c9bed63d 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -2,7 +2,7 @@ * pata_pdc202xx_old.c - Promise PDC202xx PATA for new ATA layer * (C) 2005 Red Hat Inc * Alan Cox <alan@lxorguk.ukuu.org.uk> - * (C) 2007 Bartlomiej Zolnierkiewicz + * (C) 2007,2009 Bartlomiej Zolnierkiewicz * * Based in part on linux/drivers/ide/pci/pdc202xx_old.c * @@ -158,7 +158,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) u32 len; /* Check we keep host level locking here */ - if (adev->dma_mode >= XFER_UDMA_2) + if (adev->dma_mode > XFER_UDMA_2) iowrite8(ioread8(clock) | sel66, clock); else iowrite8(ioread8(clock) & ~sel66, clock); @@ -212,7 +212,7 @@ static void pdc2026x_bmdma_stop(struct ata_queued_cmd *qc) iowrite8(ioread8(clock) & ~sel66, clock); } /* Flip back to 33Mhz for PIO */ - if (adev->dma_mode >= XFER_UDMA_2) + if (adev->dma_mode > XFER_UDMA_2) iowrite8(ioread8(clock) & ~sel66, clock); ata_bmdma_stop(qc); pdc202xx_set_piomode(ap, adev); diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index c2e90e1fece..36b8629203b 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -205,6 +205,7 @@ struct cmdhdr_tbl_entry { * Description information bitdefs */ enum { + CMD_DESC_RES = (1 << 11), VENDOR_SPECIFIC_BIST = (1 << 10), CMD_DESC_SNOOP_ENABLE = (1 << 9), FPDMA_QUEUED_CMD = (1 << 8), @@ -332,13 +333,14 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, dma_addr_t sg_addr = sg_dma_address(sg); u32 sg_len = sg_dma_len(sg); - VPRINTK("SATA FSL : fill_sg, sg_addr = 0x%x, sg_len = %d\n", - sg_addr, sg_len); + VPRINTK("SATA FSL : fill_sg, sg_addr = 0x%llx, sg_len = %d\n", + (unsigned long long)sg_addr, sg_len); /* warn if each s/g element is not dword aligned */ if (sg_addr & 0x03) ata_port_printk(qc->ap, KERN_ERR, - "s/g addr unaligned : 0x%x\n", sg_addr); + "s/g addr unaligned : 0x%llx\n", + (unsigned long long)sg_addr); if (sg_len & 0x03) ata_port_printk(qc->ap, KERN_ERR, "s/g len unaligned : 0x%x\n", sg_len); @@ -387,7 +389,7 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc) void __iomem *hcr_base = host_priv->hcr_base; unsigned int tag = sata_fsl_tag(qc->tag, hcr_base); struct command_desc *cd; - u32 desc_info = CMD_DESC_SNOOP_ENABLE; + u32 desc_info = CMD_DESC_RES | CMD_DESC_SNOOP_ENABLE; u32 num_prde = 0; u32 ttl_dwords = 0; dma_addr_t cd_paddr; @@ -840,7 +842,7 @@ issue_srst: /* device reset/SRST is a control register update FIS, uses tag0 */ sata_fsl_setup_cmd_hdr_entry(pp, 0, - SRST_CMD | CMD_DESC_SNOOP_ENABLE, 0, 0, 5); + SRST_CMD | CMD_DESC_RES | CMD_DESC_SNOOP_ENABLE, 0, 0, 5); tf.ctl |= ATA_SRST; /* setup SRST bit in taskfile control reg */ ata_tf_to_fis(&tf, pmp, 0, cfis); @@ -886,7 +888,8 @@ issue_srst: * using ATA signature D2H register FIS to the host controller. */ - sata_fsl_setup_cmd_hdr_entry(pp, 0, CMD_DESC_SNOOP_ENABLE, 0, 0, 5); + sata_fsl_setup_cmd_hdr_entry(pp, 0, CMD_DESC_RES | CMD_DESC_SNOOP_ENABLE, + 0, 0, 5); tf.ctl &= ~ATA_SRST; /* 2nd H2D Ctl. register FIS */ ata_tf_to_fis(&tf, pmp, 0, cfis); diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 870dcfd8235..23714aefb82 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -293,6 +293,10 @@ enum { FISCFG_WAIT_DEV_ERR = (1 << 8), /* wait for host on DevErr */ FISCFG_SINGLE_SYNC = (1 << 16), /* SYNC on DMA activation */ + PHY_MODE9_GEN2 = 0x398, + PHY_MODE9_GEN1 = 0x39c, + PHYCFG_OFS = 0x3a0, /* only in 65n devices */ + MV5_PHY_MODE = 0x74, MV5_LTMODE = 0x30, MV5_PHY_CTL = 0x0C, @@ -609,6 +613,8 @@ static int mv_soc_reset_hc(struct mv_host_priv *hpriv, static void mv_soc_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio); static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio); +static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv, + void __iomem *mmio, unsigned int port); static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio); static void mv_reset_channel(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int port_no); @@ -807,6 +813,14 @@ static const struct mv_hw_ops mv_soc_ops = { .reset_bus = mv_soc_reset_bus, }; +static const struct mv_hw_ops mv_soc_65n_ops = { + .phy_errata = mv_soc_65n_phy_errata, + .enable_leds = mv_soc_enable_leds, + .reset_hc = mv_soc_reset_hc, + .reset_flash = mv_soc_reset_flash, + .reset_bus = mv_soc_reset_bus, +}; + /* * Functions */ @@ -3397,6 +3411,53 @@ static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio) return; } +static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv, + void __iomem *mmio, unsigned int port) +{ + void __iomem *port_mmio = mv_port_base(mmio, port); + u32 reg; + + reg = readl(port_mmio + PHY_MODE3); + reg &= ~(0x3 << 27); /* SELMUPF (bits 28:27) to 1 */ + reg |= (0x1 << 27); + reg &= ~(0x3 << 29); /* SELMUPI (bits 30:29) to 1 */ + reg |= (0x1 << 29); + writel(reg, port_mmio + PHY_MODE3); + + reg = readl(port_mmio + PHY_MODE4); + reg &= ~0x1; /* SATU_OD8 (bit 0) to 0, reserved bit 16 must be set */ + reg |= (0x1 << 16); + writel(reg, port_mmio + PHY_MODE4); + + reg = readl(port_mmio + PHY_MODE9_GEN2); + reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */ + reg |= 0x8; + reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */ + writel(reg, port_mmio + PHY_MODE9_GEN2); + + reg = readl(port_mmio + PHY_MODE9_GEN1); + reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */ + reg |= 0x8; + reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */ + writel(reg, port_mmio + PHY_MODE9_GEN1); +} + +/** + * soc_is_65 - check if the soc is 65 nano device + * + * Detect the type of the SoC, this is done by reading the PHYCFG_OFS + * register, this register should contain non-zero value and it exists only + * in the 65 nano devices, when reading it from older devices we get 0. + */ +static bool soc_is_65n(struct mv_host_priv *hpriv) +{ + void __iomem *port0_mmio = mv_port_base(hpriv->base, 0); + + if (readl(port0_mmio + PHYCFG_OFS)) + return true; + return false; +} + static void mv_setup_ifcfg(void __iomem *port_mmio, int want_gen2i) { u32 ifcfg = readl(port_mmio + SATA_IFCFG); @@ -3737,7 +3798,10 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) } break; case chip_soc: - hpriv->ops = &mv_soc_ops; + if (soc_is_65n(hpriv)) + hpriv->ops = &mv_soc_65n_ops; + else + hpriv->ops = &mv_soc_ops; hp_flags |= MV_HP_FLAG_SOC | MV_HP_GEN_IIE | MV_HP_ERRATA_60X1C0; break; @@ -3800,7 +3864,8 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) n_hc = mv_get_hc_count(host->ports[0]->flags); for (port = 0; port < host->n_ports; port++) - hpriv->ops->read_preamp(hpriv, port, mmio); + if (hpriv->ops->read_preamp) + hpriv->ops->read_preamp(hpriv, port, mmio); rc = hpriv->ops->reset_hc(hpriv, mmio, n_hc); if (rc) diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index dce3dccced3..eb05a3c82a9 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -213,8 +213,9 @@ struct pdc_host_priv { static int pdc_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); -static void pdc_eng_timeout(struct ata_port *ap); -static void pdc_20621_phy_reset(struct ata_port *ap); +static void pdc_error_handler(struct ata_port *ap); +static void pdc_freeze(struct ata_port *ap); +static void pdc_thaw(struct ata_port *ap); static int pdc_port_start(struct ata_port *ap); static void pdc20621_qc_prep(struct ata_queued_cmd *qc); static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); @@ -233,6 +234,10 @@ static void pdc20621_put_to_dimm(struct ata_host *host, void *psource, u32 offset, u32 size); static void pdc20621_irq_clear(struct ata_port *ap); static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc); +static int pdc_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static void pdc_post_internal_cmd(struct ata_queued_cmd *qc); +static int pdc_check_atapi_dma(struct ata_queued_cmd *qc); static struct scsi_host_template pdc_sata_sht = { @@ -243,20 +248,24 @@ static struct scsi_host_template pdc_sata_sht = { /* TODO: inherit from base port_ops after converting to new EH */ static struct ata_port_operations pdc_20621_ops = { - .sff_tf_load = pdc_tf_load_mmio, - .sff_tf_read = ata_sff_tf_read, - .sff_check_status = ata_sff_check_status, - .sff_exec_command = pdc_exec_command_mmio, - .sff_dev_select = ata_sff_dev_select, - .phy_reset = pdc_20621_phy_reset, + .inherits = &ata_sff_port_ops, + + .check_atapi_dma = pdc_check_atapi_dma, .qc_prep = pdc20621_qc_prep, .qc_issue = pdc20621_qc_issue, - .qc_fill_rtf = ata_sff_qc_fill_rtf, - .sff_data_xfer = ata_sff_data_xfer, - .eng_timeout = pdc_eng_timeout, - .sff_irq_clear = pdc20621_irq_clear, - .sff_irq_on = ata_sff_irq_on, + + .freeze = pdc_freeze, + .thaw = pdc_thaw, + .softreset = pdc_softreset, + .error_handler = pdc_error_handler, + .lost_interrupt = ATA_OP_NULL, + .post_internal_cmd = pdc_post_internal_cmd, + .port_start = pdc_port_start, + + .sff_tf_load = pdc_tf_load_mmio, + .sff_exec_command = pdc_exec_command_mmio, + .sff_irq_clear = pdc20621_irq_clear, }; static const struct ata_port_info pdc_port_info[] = { @@ -310,14 +319,6 @@ static int pdc_port_start(struct ata_port *ap) return 0; } -static void pdc_20621_phy_reset(struct ata_port *ap) -{ - VPRINTK("ENTER\n"); - ap->cbl = ATA_CBL_SATA; - ata_port_probe(ap); - ata_bus_reset(ap); -} - static inline void pdc20621_ata_sg(struct ata_taskfile *tf, u8 *buf, unsigned int portno, unsigned int total_len) @@ -686,8 +687,11 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc) static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc) { switch (qc->tf.protocol) { - case ATA_PROT_DMA: case ATA_PROT_NODATA: + if (qc->tf.flags & ATA_TFLAG_POLLING) + break; + /*FALLTHROUGH*/ + case ATA_PROT_DMA: pdc20621_packet_start(qc); return 0; @@ -786,12 +790,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap, static void pdc20621_irq_clear(struct ata_port *ap) { - struct ata_host *host = ap->host; - void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; - - mmio += PDC_CHIP0_OFS; - - readl(mmio + PDC_20621_SEQMASK); + ioread8(ap->ioaddr.status_addr); } static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance) @@ -859,46 +858,119 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance) return IRQ_RETVAL(handled); } -static void pdc_eng_timeout(struct ata_port *ap) +static void pdc_freeze(struct ata_port *ap) { - u8 drv_stat; - struct ata_host *host = ap->host; - struct ata_queued_cmd *qc; - unsigned long flags; + void __iomem *mmio = ap->ioaddr.cmd_addr; + u32 tmp; - DPRINTK("ENTER\n"); + /* FIXME: if all 4 ATA engines are stopped, also stop HDMA engine */ - spin_lock_irqsave(&host->lock, flags); + tmp = readl(mmio + PDC_CTLSTAT); + tmp |= PDC_MASK_INT; + tmp &= ~PDC_DMA_ENABLE; + writel(tmp, mmio + PDC_CTLSTAT); + readl(mmio + PDC_CTLSTAT); /* flush */ +} - qc = ata_qc_from_tag(ap, ap->link.active_tag); +static void pdc_thaw(struct ata_port *ap) +{ + void __iomem *mmio = ap->ioaddr.cmd_addr; + u32 tmp; - switch (qc->tf.protocol) { - case ATA_PROT_DMA: - case ATA_PROT_NODATA: - ata_port_printk(ap, KERN_ERR, "command timeout\n"); - qc->err_mask |= __ac_err_mask(ata_wait_idle(ap)); - break; + /* FIXME: start HDMA engine, if zero ATA engines running */ - default: - drv_stat = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000); + /* clear IRQ */ + ioread8(ap->ioaddr.status_addr); - ata_port_printk(ap, KERN_ERR, - "unknown timeout, cmd 0x%x stat 0x%x\n", - qc->tf.command, drv_stat); + /* turn IRQ back on */ + tmp = readl(mmio + PDC_CTLSTAT); + tmp &= ~PDC_MASK_INT; + writel(tmp, mmio + PDC_CTLSTAT); + readl(mmio + PDC_CTLSTAT); /* flush */ +} - qc->err_mask |= ac_err_mask(drv_stat); - break; +static void pdc_reset_port(struct ata_port *ap) +{ + void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT; + unsigned int i; + u32 tmp; + + /* FIXME: handle HDMA copy engine */ + + for (i = 11; i > 0; i--) { + tmp = readl(mmio); + if (tmp & PDC_RESET) + break; + + udelay(100); + + tmp |= PDC_RESET; + writel(tmp, mmio); } - spin_unlock_irqrestore(&host->lock, flags); - ata_eh_qc_complete(qc); - DPRINTK("EXIT\n"); + tmp &= ~PDC_RESET; + writel(tmp, mmio); + readl(mmio); /* flush */ +} + +static int pdc_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + pdc_reset_port(link->ap); + return ata_sff_softreset(link, class, deadline); +} + +static void pdc_error_handler(struct ata_port *ap) +{ + if (!(ap->pflags & ATA_PFLAG_FROZEN)) + pdc_reset_port(ap); + + ata_std_error_handler(ap); +} + +static void pdc_post_internal_cmd(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + + /* make DMA engine forget about the failed command */ + if (qc->flags & ATA_QCFLAG_FAILED) + pdc_reset_port(ap); +} + +static int pdc_check_atapi_dma(struct ata_queued_cmd *qc) +{ + u8 *scsicmd = qc->scsicmd->cmnd; + int pio = 1; /* atapi dma off by default */ + + /* Whitelist commands that may use DMA. */ + switch (scsicmd[0]) { + case WRITE_12: + case WRITE_10: + case WRITE_6: + case READ_12: + case READ_10: + case READ_6: + case 0xad: /* READ_DVD_STRUCTURE */ + case 0xbe: /* READ_CD */ + pio = 0; + } + /* -45150 (FFFF4FA2) to -1 (FFFFFFFF) shall use PIO mode */ + if (scsicmd[0] == WRITE_10) { + unsigned int lba = + (scsicmd[2] << 24) | + (scsicmd[3] << 16) | + (scsicmd[4] << 8) | + scsicmd[5]; + if (lba >= 0xFFFF4FA2) + pio = 1; + } + return pio; } static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) { WARN_ON(tf->protocol == ATA_PROT_DMA || - tf->protocol == ATA_PROT_NODATA); + tf->protocol == ATAPI_PROT_DMA); ata_sff_tf_load(ap, tf); } @@ -906,7 +978,7 @@ 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) { WARN_ON(tf->protocol == ATA_PROT_DMA || - tf->protocol == ATA_PROT_NODATA); + tf->protocol == ATAPI_PROT_DMA); ata_sff_exec_command(ap, tf); } diff --git a/drivers/base/bus.c b/drivers/base/bus.c index dc030f1f00f..c6599618523 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -700,8 +700,10 @@ int bus_add_driver(struct device_driver *drv) } kobject_uevent(&priv->kobj, KOBJ_ADD); - return error; + return 0; out_unregister: + kfree(drv->p); + drv->p = NULL; kobject_put(&priv->kobj); out_put_bus: bus_put(bus); diff --git a/drivers/base/core.c b/drivers/base/core.c index d230ff4b3ee..1977d4beb89 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -879,7 +879,7 @@ int device_add(struct device *dev) } if (!dev_name(dev)) - goto done; + goto name_error; pr_debug("device: '%s': %s\n", dev_name(dev), __func__); @@ -891,7 +891,8 @@ int device_add(struct device *dev) set_dev_node(dev, dev_to_node(parent)); /* first, register with generic layer. */ - error = kobject_add(&dev->kobj, dev->kobj.parent, "%s", dev_name(dev)); + /* we require the name to be set before, and pass NULL */ + error = kobject_add(&dev->kobj, dev->kobj.parent, NULL); if (error) goto Error; @@ -977,6 +978,9 @@ done: cleanup_device_parent(dev); if (parent) put_device(parent); +name_error: + kfree(dev->p); + dev->p = NULL; goto done; } diff --git a/drivers/base/dd.c b/drivers/base/dd.c index f17c3266a0e..742cbe6b042 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -179,6 +179,7 @@ void wait_for_device_probe(void) wait_event(probe_waitqueue, atomic_read(&probe_count) == 0); async_synchronize_full(); } +EXPORT_SYMBOL_GPL(wait_for_device_probe); /** * driver_probe_device - attempt to bind device & driver together diff --git a/drivers/base/driver.c b/drivers/base/driver.c index c51f11bb29a..8ae0f63602e 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -257,6 +257,10 @@ EXPORT_SYMBOL_GPL(driver_register); */ void driver_unregister(struct device_driver *drv) { + if (!drv || !drv->p) { + WARN(1, "Unexpected driver unregister!\n"); + return; + } driver_remove_groups(drv, drv->groups); bus_remove_driver(drv); } diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c index 9f0e672f4be..8ad4ffea692 100644 --- a/drivers/base/iommu.c +++ b/drivers/base/iommu.c @@ -18,6 +18,8 @@ #include <linux/bug.h> #include <linux/types.h> +#include <linux/module.h> +#include <linux/slab.h> #include <linux/errno.h> #include <linux/iommu.h> diff --git a/drivers/base/platform.c b/drivers/base/platform.c index b5b6c973a2e..8b4708e0624 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -217,7 +217,6 @@ int platform_device_add_data(struct platform_device *pdev, const void *data, if (d) { memcpy(d, data, size); pdev->dev.platform_data = d; - pdev->platform_data = d; } return d ? 0 : -ENOMEM; } @@ -247,21 +246,6 @@ int platform_device_add(struct platform_device *pdev) else dev_set_name(&pdev->dev, pdev->name); - /* We will remove platform_data field from struct device - * if all platform devices pass its platform specific data - * from platform_device. The conversion is going to be a - * long time, so we allow the two cases coexist to make - * this kind of fix more easily*/ - if (pdev->platform_data && pdev->dev.platform_data) { - printk(KERN_ERR - "%s: use which platform_data?\n", - dev_name(&pdev->dev)); - } else if (pdev->platform_data) { - pdev->dev.platform_data = pdev->platform_data; - } else if (pdev->dev.platform_data) { - pdev->platform_data = pdev->dev.platform_data; - } - for (i = 0; i < pdev->num_resources; i++) { struct resource *p, *r = &pdev->resource[i]; @@ -1028,7 +1012,7 @@ static __initdata LIST_HEAD(early_platform_device_list); /** * early_platform_driver_register - * @edrv: early_platform driver structure + * @epdrv: early_platform driver structure * @buf: string passed from early_param() */ int __init early_platform_driver_register(struct early_platform_driver *epdrv, @@ -1112,7 +1096,7 @@ void __init early_platform_driver_register_all(char *class_str) /** * early_platform_match - * @edrv: early platform driver structure + * @epdrv: early platform driver structure * @id: id to match against */ static __init struct platform_device * @@ -1130,7 +1114,7 @@ early_platform_match(struct early_platform_driver *epdrv, int id) /** * early_platform_left - * @edrv: early platform driver structure + * @epdrv: early platform driver structure * @id: return true if id or above exists */ static __init int early_platform_left(struct early_platform_driver *epdrv, diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 69b4ddb7de3..3e4bc699bc0 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -357,6 +357,7 @@ static void dpm_power_up(pm_message_t state) { struct device *dev; + mutex_lock(&dpm_list_mtx); list_for_each_entry(dev, &dpm_list, power.entry) if (dev->power.status > DPM_OFF) { int error; @@ -366,6 +367,7 @@ static void dpm_power_up(pm_message_t state) if (error) pm_dev_err(dev, state, " early", error); } + mutex_unlock(&dpm_list_mtx); } /** @@ -614,6 +616,7 @@ int device_power_down(pm_message_t state) int error = 0; suspend_device_irqs(); + mutex_lock(&dpm_list_mtx); list_for_each_entry_reverse(dev, &dpm_list, power.entry) { error = suspend_device_noirq(dev, state); if (error) { @@ -622,6 +625,7 @@ int device_power_down(pm_message_t state) } dev->power.status = DPM_OFF_IRQ; } + mutex_unlock(&dpm_list_mtx); if (error) device_power_up(resume_event(state)); return error; diff --git a/drivers/block/hd.c b/drivers/block/hd.c index 3c11f062a18..baaa9e486e5 100644 --- a/drivers/block/hd.c +++ b/drivers/block/hd.c @@ -509,7 +509,6 @@ ok_to_write: if (i > 0) { SET_HANDLER(&write_intr); outsw(HD_DATA, req->buffer, 256); - local_irq_enable(); } else { #if (HD_DELAY > 0) last_req = read_timer(); @@ -541,8 +540,7 @@ static void hd_times_out(unsigned long dummy) if (!CURRENT) return; - disable_irq(HD_IRQ); - local_irq_enable(); + spin_lock_irq(hd_queue->queue_lock); reset = 1; name = CURRENT->rq_disk->disk_name; printk("%s: timeout\n", name); @@ -552,9 +550,8 @@ static void hd_times_out(unsigned long dummy) #endif end_request(CURRENT, 0); } - local_irq_disable(); hd_request(); - enable_irq(HD_IRQ); + spin_unlock_irq(hd_queue->queue_lock); } static int do_special_op(struct hd_i_struct *disk, struct request *req) @@ -592,7 +589,6 @@ static void hd_request(void) return; repeat: del_timer(&device_timer); - local_irq_enable(); req = CURRENT; if (!req) { @@ -601,7 +597,6 @@ repeat: } if (reset) { - local_irq_disable(); reset_hd(); return; } @@ -660,9 +655,7 @@ repeat: static void do_hd_request(struct request_queue *q) { - disable_irq(HD_IRQ); hd_request(); - enable_irq(HD_IRQ); } static int hd_getgeo(struct block_device *bdev, struct hd_geometry *geo) @@ -684,12 +677,16 @@ static irqreturn_t hd_interrupt(int irq, void *dev_id) { void (*handler)(void) = do_hd; + spin_lock(hd_queue->queue_lock); + do_hd = NULL; del_timer(&device_timer); if (!handler) handler = unexpected_hd_interrupt; handler(); - local_irq_enable(); + + spin_unlock(hd_queue->queue_lock); + return IRQ_HANDLED; } diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c index fb39d9aa3cd..f3898353d0a 100644 --- a/drivers/block/mg_disk.c +++ b/drivers/block/mg_disk.c @@ -79,7 +79,7 @@ static void mg_dump_status(const char *msg, unsigned int stat, if (host->breq) { req = elv_next_request(host->breq); if (req) - printk(", sector=%ld", req->sector); + printk(", sector=%u", (u32)req->sector); } } @@ -160,11 +160,16 @@ static irqreturn_t mg_irq(int irq, void *dev_id) struct mg_host *host = dev_id; void (*handler)(struct mg_host *) = host->mg_do_intr; - host->mg_do_intr = 0; + spin_lock(&host->lock); + + host->mg_do_intr = NULL; del_timer(&host->timer); if (!handler) handler = mg_unexpected_intr; handler(host); + + spin_unlock(&host->lock); + return IRQ_HANDLED; } @@ -319,7 +324,7 @@ static void mg_read(struct request *req) remains = req->nr_sectors; - if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_RD, 0) != + if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_RD, NULL) != MG_ERR_NONE) mg_bad_rw_intr(host); @@ -363,7 +368,7 @@ static void mg_write(struct request *req) remains = req->nr_sectors; - if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_WR, 0) != + if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_WR, NULL) != MG_ERR_NONE) { mg_bad_rw_intr(host); return; @@ -521,9 +526,11 @@ void mg_times_out(unsigned long data) char *name; struct request *req; + spin_lock_irq(&host->lock); + req = elv_next_request(host->breq); if (!req) - return; + goto out_unlock; host->mg_do_intr = NULL; @@ -534,6 +541,8 @@ void mg_times_out(unsigned long data) mg_bad_rw_intr(host); mg_request(host->breq); +out_unlock: + spin_unlock_irq(&host->lock); } static void mg_request_poll(struct request_queue *q) diff --git a/drivers/block/umem.c b/drivers/block/umem.c index 9744d59a69f..858c34dd032 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -906,6 +906,7 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, goto failed_alloc; blk_queue_make_request(card->queue, mm_make_request); + card->queue->queue_lock = &card->lock; card->queue->queuedata = card; card->queue->unplug_fn = mm_unplug_device; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8f905089b72..a6cbf7b808e 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -934,8 +934,6 @@ static void blkfront_closing(struct xenbus_device *dev) spin_lock_irqsave(&blkif_io_lock, flags); - del_gendisk(info->gd); - /* No more blkif_request(). */ blk_stop_queue(info->rq); @@ -949,6 +947,8 @@ static void blkfront_closing(struct xenbus_device *dev) blk_cleanup_queue(info->rq); info->rq = NULL; + del_gendisk(info->gd); + out: xenbus_frontend_closed(dev); } @@ -977,8 +977,10 @@ static void backend_changed(struct xenbus_device *dev, break; case XenbusStateClosing: - if (info->gd == NULL) - xenbus_dev_fatal(dev, -ENODEV, "gd is NULL"); + if (info->gd == NULL) { + xenbus_frontend_closed(dev); + break; + } bd = bdget_disk(info->gd, 0); if (bd == NULL) xenbus_dev_fatal(dev, -ENODEV, "bdget failed"); diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c index 13929356135..9b1624e0dde 100644 --- a/drivers/cdrom/viocd.c +++ b/drivers/cdrom/viocd.c @@ -587,7 +587,7 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id) struct device_node *node = vdev->dev.archdata.of_node; deviceno = vdev->unit_address; - if (deviceno > VIOCD_MAX_CD) + if (deviceno >= VIOCD_MAX_CD) return -ENODEV; if (!node) return -ENODEV; diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index 10d6cbd7c05..2224b762b7f 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -1226,7 +1226,7 @@ int agp_generic_alloc_pages(struct agp_bridge_data *bridge, struct agp_memory *m int i, ret = -ENOMEM; for (i = 0; i < num_pages; i++) { - page = alloc_page(GFP_KERNEL | GFP_DMA32); + page = alloc_page(GFP_KERNEL | GFP_DMA32 | __GFP_ZERO); /* agp_free_memory() needs gart address */ if (page == NULL) goto out; @@ -1257,7 +1257,7 @@ void *agp_generic_alloc_page(struct agp_bridge_data *bridge) { struct page * page; - page = alloc_page(GFP_KERNEL | GFP_DMA32); + page = alloc_page(GFP_KERNEL | GFP_DMA32 | __GFP_ZERO); if (page == NULL) return NULL; diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 50dfa3bc71c..340ba4f9dc5 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -72,7 +72,7 @@ static u32 hpet_nhpet, hpet_max_freq = HPET_USER_FREQ; #ifdef CONFIG_IA64 static void __iomem *hpet_mctr; -static cycle_t read_hpet(void) +static cycle_t read_hpet(struct clocksource *cs) { return (cycle_t)read_counter((void __iomem *)hpet_mctr); } diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index d0e563e4fc3..86e83f88313 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -37,9 +37,9 @@ static void random_recv_done(struct virtqueue *vq) { int len; - /* We never get spurious callbacks. */ + /* We can get spurious callbacks, e.g. shared IRQs + virtio_pci. */ if (!vq->vq_ops->get_buf(vq, &len)) - BUG(); + return; data_left = len / sizeof(random_data[0]); complete(&have_data); diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index e93fc8d22fb..09050797c76 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -285,6 +285,11 @@ enum ipmi_stat_indexes { /* Events that were received with the proper format. */ IPMI_STAT_events, + /* Retransmissions on IPMB that failed. */ + IPMI_STAT_dropped_rexmit_ipmb_commands, + + /* Retransmissions on LAN that failed. */ + IPMI_STAT_dropped_rexmit_lan_commands, /* This *must* remain last, add new values above this. */ IPMI_NUM_STATS @@ -445,6 +450,20 @@ static DEFINE_MUTEX(smi_watchers_mutex); #define ipmi_get_stat(intf, stat) \ ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat])) +static int is_lan_addr(struct ipmi_addr *addr) +{ + return addr->addr_type == IPMI_LAN_ADDR_TYPE; +} + +static int is_ipmb_addr(struct ipmi_addr *addr) +{ + return addr->addr_type == IPMI_IPMB_ADDR_TYPE; +} + +static int is_ipmb_bcast_addr(struct ipmi_addr *addr) +{ + return addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE; +} static void free_recv_msg_list(struct list_head *q) { @@ -601,8 +620,7 @@ ipmi_addr_equal(struct ipmi_addr *addr1, struct ipmi_addr *addr2) return (smi_addr1->lun == smi_addr2->lun); } - if ((addr1->addr_type == IPMI_IPMB_ADDR_TYPE) - || (addr1->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE)) { + if (is_ipmb_addr(addr1) || is_ipmb_bcast_addr(addr1)) { struct ipmi_ipmb_addr *ipmb_addr1 = (struct ipmi_ipmb_addr *) addr1; struct ipmi_ipmb_addr *ipmb_addr2 @@ -612,7 +630,7 @@ ipmi_addr_equal(struct ipmi_addr *addr1, struct ipmi_addr *addr2) && (ipmb_addr1->lun == ipmb_addr2->lun)); } - if (addr1->addr_type == IPMI_LAN_ADDR_TYPE) { + if (is_lan_addr(addr1)) { struct ipmi_lan_addr *lan_addr1 = (struct ipmi_lan_addr *) addr1; struct ipmi_lan_addr *lan_addr2 @@ -644,14 +662,13 @@ int ipmi_validate_addr(struct ipmi_addr *addr, int len) || (addr->channel < 0)) return -EINVAL; - if ((addr->addr_type == IPMI_IPMB_ADDR_TYPE) - || (addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE)) { + if (is_ipmb_addr(addr) || is_ipmb_bcast_addr(addr)) { if (len < sizeof(struct ipmi_ipmb_addr)) return -EINVAL; return 0; } - if (addr->addr_type == IPMI_LAN_ADDR_TYPE) { + if (is_lan_addr(addr)) { if (len < sizeof(struct ipmi_lan_addr)) return -EINVAL; return 0; @@ -1503,8 +1520,7 @@ static int i_ipmi_request(ipmi_user_t user, memcpy(&(smi_msg->data[2]), msg->data, msg->data_len); smi_msg->data_size = msg->data_len + 2; ipmi_inc_stat(intf, sent_local_commands); - } else if ((addr->addr_type == IPMI_IPMB_ADDR_TYPE) - || (addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE)) { + } else if (is_ipmb_addr(addr) || is_ipmb_bcast_addr(addr)) { struct ipmi_ipmb_addr *ipmb_addr; unsigned char ipmb_seq; long seqid; @@ -1583,8 +1599,6 @@ static int i_ipmi_request(ipmi_user_t user, spin_lock_irqsave(&(intf->seq_lock), flags); - ipmi_inc_stat(intf, sent_ipmb_commands); - /* * Create a sequence number with a 1 second * timeout and 4 retries. @@ -1606,6 +1620,8 @@ static int i_ipmi_request(ipmi_user_t user, goto out_err; } + ipmi_inc_stat(intf, sent_ipmb_commands); + /* * Store the sequence number in the message, * so that when the send message response @@ -1635,7 +1651,7 @@ static int i_ipmi_request(ipmi_user_t user, */ spin_unlock_irqrestore(&(intf->seq_lock), flags); } - } else if (addr->addr_type == IPMI_LAN_ADDR_TYPE) { + } else if (is_lan_addr(addr)) { struct ipmi_lan_addr *lan_addr; unsigned char ipmb_seq; long seqid; @@ -1696,8 +1712,6 @@ static int i_ipmi_request(ipmi_user_t user, spin_lock_irqsave(&(intf->seq_lock), flags); - ipmi_inc_stat(intf, sent_lan_commands); - /* * Create a sequence number with a 1 second * timeout and 4 retries. @@ -1719,6 +1733,8 @@ static int i_ipmi_request(ipmi_user_t user, goto out_err; } + ipmi_inc_stat(intf, sent_lan_commands); + /* * Store the sequence number in the message, * so that when the send message response @@ -1937,6 +1953,10 @@ static int stat_file_read_proc(char *page, char **start, off_t off, ipmi_get_stat(intf, invalid_events)); out += sprintf(out, "events: %u\n", ipmi_get_stat(intf, events)); + out += sprintf(out, "failed rexmit LAN msgs: %u\n", + ipmi_get_stat(intf, dropped_rexmit_lan_commands)); + out += sprintf(out, "failed rexmit IPMB msgs: %u\n", + ipmi_get_stat(intf, dropped_rexmit_ipmb_commands)); return (out - ((char *) page)); } @@ -2836,6 +2856,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, /* Assume a single IPMB channel at zero. */ intf->channels[0].medium = IPMI_CHANNEL_MEDIUM_IPMB; intf->channels[0].protocol = IPMI_CHANNEL_PROTOCOL_IPMB; + intf->curr_channel = IPMI_MAX_CHANNELS; } if (rv == 0) @@ -3264,6 +3285,114 @@ static int handle_lan_get_msg_cmd(ipmi_smi_t intf, return rv; } +/* + * This routine will handle "Get Message" command responses with + * channels that use an OEM Medium. The message format belongs to + * the OEM. See IPMI 2.0 specification, Chapter 6 and + * Chapter 22, sections 22.6 and 22.24 for more details. + */ +static int handle_oem_get_msg_cmd(ipmi_smi_t intf, + struct ipmi_smi_msg *msg) +{ + struct cmd_rcvr *rcvr; + int rv = 0; + unsigned char netfn; + unsigned char cmd; + unsigned char chan; + ipmi_user_t user = NULL; + struct ipmi_system_interface_addr *smi_addr; + struct ipmi_recv_msg *recv_msg; + + /* + * We expect the OEM SW to perform error checking + * so we just do some basic sanity checks + */ + if (msg->rsp_size < 4) { + /* Message not big enough, just ignore it. */ + ipmi_inc_stat(intf, invalid_commands); + return 0; + } + + if (msg->rsp[2] != 0) { + /* An error getting the response, just ignore it. */ + return 0; + } + + /* + * This is an OEM Message so the OEM needs to know how + * handle the message. We do no interpretation. + */ + netfn = msg->rsp[0] >> 2; + cmd = msg->rsp[1]; + chan = msg->rsp[3] & 0xf; + + rcu_read_lock(); + rcvr = find_cmd_rcvr(intf, netfn, cmd, chan); + if (rcvr) { + user = rcvr->user; + kref_get(&user->refcount); + } else + user = NULL; + rcu_read_unlock(); + + if (user == NULL) { + /* We didn't find a user, just give up. */ + ipmi_inc_stat(intf, unhandled_commands); + + /* + * Don't do anything with these messages, just allow + * them to be freed. + */ + + rv = 0; + } else { + /* Deliver the message to the user. */ + ipmi_inc_stat(intf, handled_commands); + + recv_msg = ipmi_alloc_recv_msg(); + if (!recv_msg) { + /* + * We couldn't allocate memory for the + * message, so requeue it for handling + * later. + */ + rv = 1; + kref_put(&user->refcount, free_user); + } else { + /* + * OEM Messages are expected to be delivered via + * the system interface to SMS software. We might + * need to visit this again depending on OEM + * requirements + */ + smi_addr = ((struct ipmi_system_interface_addr *) + &(recv_msg->addr)); + smi_addr->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; + smi_addr->channel = IPMI_BMC_CHANNEL; + smi_addr->lun = msg->rsp[0] & 3; + + recv_msg->user = user; + recv_msg->user_msg_data = NULL; + recv_msg->recv_type = IPMI_OEM_RECV_TYPE; + recv_msg->msg.netfn = msg->rsp[0] >> 2; + recv_msg->msg.cmd = msg->rsp[1]; + recv_msg->msg.data = recv_msg->msg_data; + + /* + * The message starts at byte 4 which follows the + * the Channel Byte in the "GET MESSAGE" command + */ + recv_msg->msg.data_len = msg->rsp_size - 4; + memcpy(recv_msg->msg_data, + &(msg->rsp[4]), + msg->rsp_size - 4); + deliver_response(recv_msg); + } + } + + return rv; +} + static void copy_event_into_recv_msg(struct ipmi_recv_msg *recv_msg, struct ipmi_smi_msg *msg) { @@ -3519,6 +3648,17 @@ static int handle_new_recv_msg(ipmi_smi_t intf, goto out; } + /* + * We need to make sure the channels have been initialized. + * The channel_handler routine will set the "curr_channel" + * equal to or greater than IPMI_MAX_CHANNELS when all the + * channels for this interface have been initialized. + */ + if (intf->curr_channel < IPMI_MAX_CHANNELS) { + requeue = 0; /* Throw the message away */ + goto out; + } + switch (intf->channels[chan].medium) { case IPMI_CHANNEL_MEDIUM_IPMB: if (msg->rsp[4] & 0x04) { @@ -3554,11 +3694,20 @@ static int handle_new_recv_msg(ipmi_smi_t intf, break; default: - /* - * We don't handle the channel type, so just - * free the message. - */ - requeue = 0; + /* Check for OEM Channels. Clients had better + register for these commands. */ + if ((intf->channels[chan].medium + >= IPMI_CHANNEL_MEDIUM_OEM_MIN) + && (intf->channels[chan].medium + <= IPMI_CHANNEL_MEDIUM_OEM_MAX)) { + requeue = handle_oem_get_msg_cmd(intf, msg); + } else { + /* + * We don't handle the channel type, so just + * free the message. + */ + requeue = 0; + } } } else if ((msg->rsp[0] == ((IPMI_NETFN_APP_REQUEST|1) << 2)) @@ -3730,7 +3879,7 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, list_add_tail(&msg->link, timeouts); if (ent->broadcast) ipmi_inc_stat(intf, timed_out_ipmb_broadcasts); - else if (ent->recv_msg->addr.addr_type == IPMI_LAN_ADDR_TYPE) + else if (is_lan_addr(&ent->recv_msg->addr)) ipmi_inc_stat(intf, timed_out_lan_commands); else ipmi_inc_stat(intf, timed_out_ipmb_commands); @@ -3744,15 +3893,17 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, */ ent->timeout = MAX_MSG_TIMEOUT; ent->retries_left--; - if (ent->recv_msg->addr.addr_type == IPMI_LAN_ADDR_TYPE) - ipmi_inc_stat(intf, retransmitted_lan_commands); - else - ipmi_inc_stat(intf, retransmitted_ipmb_commands); - smi_msg = smi_from_recv_msg(intf, ent->recv_msg, slot, ent->seqid); - if (!smi_msg) + if (!smi_msg) { + if (is_lan_addr(&ent->recv_msg->addr)) + ipmi_inc_stat(intf, + dropped_rexmit_lan_commands); + else + ipmi_inc_stat(intf, + dropped_rexmit_ipmb_commands); return; + } spin_unlock_irqrestore(&intf->seq_lock, *flags); @@ -3764,10 +3915,17 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, * resent. */ handlers = intf->handlers; - if (handlers) + if (handlers) { + if (is_lan_addr(&ent->recv_msg->addr)) + ipmi_inc_stat(intf, + retransmitted_lan_commands); + else + ipmi_inc_stat(intf, + retransmitted_ipmb_commands); + intf->handlers->sender(intf->send_info, smi_msg, 0); - else + } else ipmi_free_smi_msg(smi_msg); spin_lock_irqsave(&intf->seq_lock, *flags); diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index e58ea4cd55c..259644646b8 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -82,12 +82,6 @@ #define SI_SHORT_TIMEOUT_USEC 250 /* .25ms when the SM request a short timeout */ -/* Bit for BMC global enables. */ -#define IPMI_BMC_RCV_MSG_INTR 0x01 -#define IPMI_BMC_EVT_MSG_INTR 0x02 -#define IPMI_BMC_EVT_MSG_BUFF 0x04 -#define IPMI_BMC_SYS_LOG 0x08 - enum si_intf_state { SI_NORMAL, SI_GETTING_FLAGS, @@ -220,6 +214,9 @@ struct smi_info { OEM2_DATA_AVAIL) unsigned char msg_flags; + /* Does the BMC have an event buffer? */ + char has_event_buffer; + /* * If set to true, this will request events the next time the * state machine is idle. @@ -968,7 +965,8 @@ static void request_events(void *send_info) { struct smi_info *smi_info = send_info; - if (atomic_read(&smi_info->stop_operation)) + if (atomic_read(&smi_info->stop_operation) || + !smi_info->has_event_buffer) return; atomic_set(&smi_info->req_events, 1); @@ -2407,26 +2405,9 @@ static struct of_platform_driver ipmi_of_platform_driver = { }; #endif /* CONFIG_PPC_OF */ - -static int try_get_dev_id(struct smi_info *smi_info) +static int wait_for_msg_done(struct smi_info *smi_info) { - unsigned char msg[2]; - unsigned char *resp; - unsigned long resp_len; enum si_sm_result smi_result; - int rv = 0; - - resp = kmalloc(IPMI_MAX_MSG_LENGTH, GFP_KERNEL); - if (!resp) - return -ENOMEM; - - /* - * Do a Get Device ID command, since it comes back with some - * useful info. - */ - msg[0] = IPMI_NETFN_APP_REQUEST << 2; - msg[1] = IPMI_GET_DEVICE_ID_CMD; - smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); smi_result = smi_info->handlers->event(smi_info->si_sm, 0); for (;;) { @@ -2441,16 +2422,39 @@ static int try_get_dev_id(struct smi_info *smi_info) } else break; } - if (smi_result == SI_SM_HOSED) { + if (smi_result == SI_SM_HOSED) /* * We couldn't get the state machine to run, so whatever's at * the port is probably not an IPMI SMI interface. */ - rv = -ENODEV; + return -ENODEV; + + return 0; +} + +static int try_get_dev_id(struct smi_info *smi_info) +{ + unsigned char msg[2]; + unsigned char *resp; + unsigned long resp_len; + int rv = 0; + + resp = kmalloc(IPMI_MAX_MSG_LENGTH, GFP_KERNEL); + if (!resp) + return -ENOMEM; + + /* + * Do a Get Device ID command, since it comes back with some + * useful info. + */ + msg[0] = IPMI_NETFN_APP_REQUEST << 2; + msg[1] = IPMI_GET_DEVICE_ID_CMD; + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); + + rv = wait_for_msg_done(smi_info); + if (rv) goto out; - } - /* Otherwise, we got some data. */ resp_len = smi_info->handlers->get_result(smi_info->si_sm, resp, IPMI_MAX_MSG_LENGTH); @@ -2462,6 +2466,88 @@ static int try_get_dev_id(struct smi_info *smi_info) return rv; } +static int try_enable_event_buffer(struct smi_info *smi_info) +{ + unsigned char msg[3]; + unsigned char *resp; + unsigned long resp_len; + int rv = 0; + + resp = kmalloc(IPMI_MAX_MSG_LENGTH, GFP_KERNEL); + if (!resp) + return -ENOMEM; + + msg[0] = IPMI_NETFN_APP_REQUEST << 2; + msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD; + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); + + rv = wait_for_msg_done(smi_info); + if (rv) { + printk(KERN_WARNING + "ipmi_si: Error getting response from get global," + " enables command, the event buffer is not" + " enabled.\n"); + goto out; + } + + resp_len = smi_info->handlers->get_result(smi_info->si_sm, + resp, IPMI_MAX_MSG_LENGTH); + + if (resp_len < 4 || + resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 || + resp[1] != IPMI_GET_BMC_GLOBAL_ENABLES_CMD || + resp[2] != 0) { + printk(KERN_WARNING + "ipmi_si: Invalid return from get global" + " enables command, cannot enable the event" + " buffer.\n"); + rv = -EINVAL; + goto out; + } + + if (resp[3] & IPMI_BMC_EVT_MSG_BUFF) + /* buffer is already enabled, nothing to do. */ + goto out; + + msg[0] = IPMI_NETFN_APP_REQUEST << 2; + msg[1] = IPMI_SET_BMC_GLOBAL_ENABLES_CMD; + msg[2] = resp[3] | IPMI_BMC_EVT_MSG_BUFF; + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3); + + rv = wait_for_msg_done(smi_info); + if (rv) { + printk(KERN_WARNING + "ipmi_si: Error getting response from set global," + " enables command, the event buffer is not" + " enabled.\n"); + goto out; + } + + resp_len = smi_info->handlers->get_result(smi_info->si_sm, + resp, IPMI_MAX_MSG_LENGTH); + + if (resp_len < 3 || + resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 || + resp[1] != IPMI_SET_BMC_GLOBAL_ENABLES_CMD) { + printk(KERN_WARNING + "ipmi_si: Invalid return from get global," + "enables command, not enable the event" + " buffer.\n"); + rv = -EINVAL; + goto out; + } + + if (resp[2] != 0) + /* + * An error when setting the event buffer bit means + * that the event buffer is not supported. + */ + rv = -ENOENT; + out: + kfree(resp); + return rv; +} + static int type_file_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data) { @@ -2847,6 +2933,10 @@ static int try_smi_init(struct smi_info *new_smi) new_smi->intf_num = smi_num; smi_num++; + rv = try_enable_event_buffer(new_smi); + if (rv == 0) + new_smi->has_event_buffer = 1; + /* * Start clearing the flags before we enable interrupts or the * timer to avoid racing with the timer. @@ -2863,7 +2953,7 @@ static int try_smi_init(struct smi_info *new_smi) */ new_smi->pdev = platform_device_alloc("ipmi_si", new_smi->intf_num); - if (rv) { + if (!new_smi->pdev) { printk(KERN_ERR "ipmi_si_intf:" " Unable to allocate platform device\n"); diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 8f05c38c2f0..65e12bca657 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -694,6 +694,9 @@ static ssize_t read_zero(struct file * file, char __user * buf, written += chunk - unwritten; if (unwritten) break; + /* Consider changing this to just 'signal_pending()' with lots of testing */ + if (fatal_signal_pending(current)) + return written ? written : -EINTR; buf += chunk; count -= chunk; cond_resched(); diff --git a/drivers/char/random.c b/drivers/char/random.c index f824ef8a927..8c7444857a4 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1665,15 +1665,20 @@ EXPORT_SYMBOL(secure_dccp_sequence_number); * value is not cryptographically secure but for several uses the cost of * depleting entropy is too high */ +DEFINE_PER_CPU(__u32 [4], get_random_int_hash); unsigned int get_random_int(void) { - /* - * Use IP's RNG. It suits our purpose perfectly: it re-keys itself - * every second, from the entropy pool (and thus creates a limited - * drain on it), and uses halfMD4Transform within the second. We - * also mix it with jiffies and the PID: - */ - return secure_ip_id((__force __be32)(current->pid + jiffies)); + struct keydata *keyptr; + __u32 *hash = get_cpu_var(get_random_int_hash); + int ret; + + keyptr = get_keyptr(); + hash[0] += current->pid + jiffies + get_cycles(); + + ret = half_md4_transform(hash, keyptr->secret); + put_cpu_var(get_random_int_hash); + + return ret; } /* diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index b0a6a3e5192..d6a807f4077 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -406,7 +406,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = { &sysrq_showlocks_op, /* d */ &sysrq_term_op, /* e */ &sysrq_moom_op, /* f */ - /* g: May be registered by ppc for kgdb */ + /* g: May be registered for the kernel debugger */ NULL, /* g */ NULL, /* h - reserved for help */ &sysrq_kill_op, /* i */ @@ -431,7 +431,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = { &sysrq_sync_op, /* s */ &sysrq_showstate_op, /* t */ &sysrq_mountro_op, /* u */ - /* v: May be registered at init time by SMP VOYAGER */ + /* v: May be registered for frame buffer console restore */ NULL, /* v */ &sysrq_showstate_blocked_op, /* w */ /* x: May be registered on ppc/powerpc for xmon */ diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c index ed306eb1057..0c2f55a38b9 100644 --- a/drivers/char/tpm/tpm_bios.c +++ b/drivers/char/tpm/tpm_bios.c @@ -212,7 +212,8 @@ static int get_event_name(char *dest, struct tcpa_event *event, unsigned char * event_entry) { const char *name = ""; - char data[40] = ""; + /* 41 so there is room for 40 data and 1 nul */ + char data[41] = ""; int i, n_len = 0, d_len = 0; struct tcpa_pc_event *pc_event; diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 2c1d133819b..08151d4de48 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2274,7 +2274,7 @@ rescan_last_byte: continue; /* nothing to display */ } /* Glyph not found */ - if ((!(vc->vc_utf && !vc->vc_disp_ctrl) && c < 128) && !(c & ~charmask)) { + if ((!(vc->vc_utf && !vc->vc_disp_ctrl) || c < 128) && !(c & ~charmask)) { /* In legacy mode use the glyph we get by a 1:1 mapping. This would make absolutely no sense with Unicode in mind, but do this for ASCII characters since a font may lack diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index a2dee0eb6da..e6ce632a393 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -400,6 +400,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, case KIOCSOUND: if (!perm) goto eperm; + /* FIXME: This is an old broken API but we need to keep it + supported and somehow separate the historic advertised + tick rate from any real one */ if (arg) arg = CLOCK_TICK_RATE / arg; kd_mksound(arg, 0); @@ -417,6 +420,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, */ ticks = HZ * ((arg >> 16) & 0xffff) / 1000; count = ticks ? (arg & 0xffff) : 0; + /* FIXME: This is an old broken API but we need to keep it + supported and somehow separate the historic advertised + tick rate from any real one */ if (count) count = CLOCK_TICK_RATE / count; kd_mksound(count, ticks); diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index ee19b6e8fcb..40bd8c61c7d 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -57,7 +57,7 @@ u32 acpi_pm_read_verified(void) return v2; } -static cycle_t acpi_pm_read(void) +static cycle_t acpi_pm_read(struct clocksource *cs) { return (cycle_t)read_pmtmr(); } @@ -83,7 +83,7 @@ static int __init acpi_pm_good_setup(char *__str) } __setup("acpi_pm_good", acpi_pm_good_setup); -static cycle_t acpi_pm_read_slow(void) +static cycle_t acpi_pm_read_slow(struct clocksource *cs) { return (cycle_t)acpi_pm_read_verified(); } @@ -156,9 +156,9 @@ static int verify_pmtmr_rate(void) unsigned long count, delta; mach_prepare_counter(); - value1 = clocksource_acpi_pm.read(); + value1 = clocksource_acpi_pm.read(&clocksource_acpi_pm); mach_countup(&count); - value2 = clocksource_acpi_pm.read(); + value2 = clocksource_acpi_pm.read(&clocksource_acpi_pm); delta = (value2 - value1) & ACPI_PM_MASK; /* Check that the PMTMR delta is within 5% of what we expect */ @@ -195,9 +195,9 @@ static int __init init_acpi_pm_clocksource(void) /* "verify" this timing source: */ for (j = 0; j < ACPI_PM_MONOTONICITY_CHECKS; j++) { udelay(100 * j); - value1 = clocksource_acpi_pm.read(); + value1 = clocksource_acpi_pm.read(&clocksource_acpi_pm); for (i = 0; i < ACPI_PM_READ_CHECKS; i++) { - value2 = clocksource_acpi_pm.read(); + value2 = clocksource_acpi_pm.read(&clocksource_acpi_pm); if (value2 == value1) continue; if (value2 > value1) diff --git a/drivers/clocksource/cyclone.c b/drivers/clocksource/cyclone.c index 8615059a872..64e528e8bfa 100644 --- a/drivers/clocksource/cyclone.c +++ b/drivers/clocksource/cyclone.c @@ -19,7 +19,7 @@ int use_cyclone = 0; static void __iomem *cyclone_ptr; -static cycle_t read_cyclone(void) +static cycle_t read_cyclone(struct clocksource *cs) { return (cycle_t)readl(cyclone_ptr); } diff --git a/drivers/clocksource/scx200_hrt.c b/drivers/clocksource/scx200_hrt.c index b92da677aa5..27f4d9637b6 100644 --- a/drivers/clocksource/scx200_hrt.c +++ b/drivers/clocksource/scx200_hrt.c @@ -43,7 +43,7 @@ MODULE_PARM_DESC(ppm, "+-adjust to actual XO freq (ppm)"); /* The base timer frequency, * 27 if selected */ #define HRT_FREQ 1000000 -static cycle_t read_hrt(void) +static cycle_t read_hrt(struct clocksource *cs) { /* Read the timer value */ return (cycle_t) inl(scx200_cb_base + SCx200_TIMER_OFFSET); diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index 254f1064d97..01b886e6882 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -39,7 +39,7 @@ static void __iomem *tcaddr; -static cycle_t tc_get_cycles(void) +static cycle_t tc_get_cycles(struct clocksource *cs) { unsigned long flags; u32 lower, upper; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index d270e8eb3e6..47d2ad0ae07 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1070,11 +1070,11 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev) spin_unlock_irqrestore(&cpufreq_driver_lock, flags); #endif + unlock_policy_rwsem_write(cpu); + if (cpufreq_driver->target) __cpufreq_governor(data, CPUFREQ_GOV_STOP); - unlock_policy_rwsem_write(cpu); - kobject_put(&data->kobj); /* we need to make sure that the underlying kobj is actually diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 2ecd95e4ab1..7a74d175287 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -91,6 +91,9 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */ * (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then * cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock * is recursive for the same process. -Venki + * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it + * would deadlock with cancel_delayed_work_sync(), which is needed for proper + * raceless workqueue teardown. */ static DEFINE_MUTEX(dbs_mutex); @@ -542,7 +545,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info) static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info) { dbs_info->enable = 0; - cancel_delayed_work(&dbs_info->work); + cancel_delayed_work_sync(&dbs_info->work); } static int cpufreq_governor_dbs(struct cpufreq_policy *policy, diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 338f428a15b..e741c339df7 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -98,6 +98,9 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */ * (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then * cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock * is recursive for the same process. -Venki + * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it + * would deadlock with cancel_delayed_work_sync(), which is needed for proper + * raceless workqueue teardown. */ static DEFINE_MUTEX(dbs_mutex); @@ -562,7 +565,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info) static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info) { dbs_info->enable = 0; - cancel_delayed_work(&dbs_info->work); + cancel_delayed_work_sync(&dbs_info->work); } static int cpufreq_governor_dbs(struct cpufreq_policy *policy, diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index f9f05d7a707..6c6656d3b1e 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -415,6 +415,7 @@ static void crypto_done_action(unsigned long arg) static int init_ixp_crypto(void) { int ret = -ENODEV; + u32 msg[2] = { 0, 0 }; if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH | IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) { @@ -426,9 +427,35 @@ static int init_ixp_crypto(void) return ret; if (!npe_running(npe_c)) { - npe_load_firmware(npe_c, npe_name(npe_c), dev); + ret = npe_load_firmware(npe_c, npe_name(npe_c), dev); + if (ret) { + return ret; + } + if (npe_recv_message(npe_c, msg, "STATUS_MSG")) + goto npe_error; + } else { + if (npe_send_message(npe_c, msg, "STATUS_MSG")) + goto npe_error; + + if (npe_recv_message(npe_c, msg, "STATUS_MSG")) + goto npe_error; } + switch ((msg[1]>>16) & 0xff) { + case 3: + printk(KERN_WARNING "Firmware of %s lacks AES support\n", + npe_name(npe_c)); + support_aes = 0; + break; + case 4: + case 5: + support_aes = 1; + break; + default: + printk(KERN_ERR "Firmware of %s lacks crypto support\n", + npe_name(npe_c)); + return -ENODEV; + } /* buffer_pool will also be used to sometimes store the hmac, * so assure it is large enough */ @@ -459,6 +486,10 @@ static int init_ixp_crypto(void) qmgr_enable_irq(RECV_QID); return 0; + +npe_error: + printk(KERN_ERR "%s not responding\n", npe_name(npe_c)); + ret = -EIO; err: if (ctx_pool) dma_pool_destroy(ctx_pool); diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 3f0fdd18255..856b3cc2558 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -489,4 +489,4 @@ MODULE_DESCRIPTION("VIA PadLock AES algorithm support"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Michal Ludvig"); -MODULE_ALIAS("aes-all"); +MODULE_ALIAS("aes"); diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 92438e9dacc..5a87384ea4f 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -804,11 +804,14 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE); dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK | + DMA_COMPL_SRC_UNMAP_SINGLE | + DMA_COMPL_DEST_UNMAP_SINGLE; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); @@ -850,11 +853,12 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE); dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK | DMA_COMPL_SRC_UNMAP_SINGLE; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); @@ -898,12 +902,13 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE); dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE); diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index a27c0fb1bc1..fb7da5141e9 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -531,9 +531,7 @@ static int __init dmatest_init(void) chan = dma_request_channel(mask, filter, NULL); if (chan) { err = dmatest_add_channel(chan); - if (err == 0) - continue; - else { + if (err) { dma_release_channel(chan); break; /* add_channel failed, punt */ } diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index da8a8ed9e41..f18d1bde043 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -179,9 +179,14 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan) static void set_ld_eol(struct fsl_dma_chan *fsl_chan, struct fsl_desc_sw *desc) { + u64 snoop_bits; + + snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX) + ? FSL_DMA_SNEN : 0; + desc->hw.next_ln_addr = CPU_TO_DMA(fsl_chan, - DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL, - 64); + DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL + | snoop_bits, 64); } static void append_ld_queue(struct fsl_dma_chan *fsl_chan, @@ -313,8 +318,8 @@ static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable) static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx) { - struct fsl_desc_sw *desc = tx_to_fsl_desc(tx); struct fsl_dma_chan *fsl_chan = to_fsl_chan(tx->chan); + struct fsl_desc_sw *desc; unsigned long flags; dma_cookie_t cookie; @@ -322,14 +327,17 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_irqsave(&fsl_chan->desc_lock, flags); cookie = fsl_chan->common.cookie; - cookie++; - if (cookie < 0) - cookie = 1; - desc->async_tx.cookie = cookie; - fsl_chan->common.cookie = desc->async_tx.cookie; + list_for_each_entry(desc, &tx->tx_list, node) { + cookie++; + if (cookie < 0) + cookie = 1; - append_ld_queue(fsl_chan, desc); - list_splice_init(&desc->async_tx.tx_list, fsl_chan->ld_queue.prev); + desc->async_tx.cookie = cookie; + } + + fsl_chan->common.cookie = cookie; + append_ld_queue(fsl_chan, tx_to_fsl_desc(tx)); + list_splice_init(&tx->tx_list, fsl_chan->ld_queue.prev); spin_unlock_irqrestore(&fsl_chan->desc_lock, flags); @@ -454,8 +462,8 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy( { struct fsl_dma_chan *fsl_chan; struct fsl_desc_sw *first = NULL, *prev = NULL, *new; + struct list_head *list; size_t copy; - LIST_HEAD(link_chain); if (!chan) return NULL; @@ -472,7 +480,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy( if (!new) { dev_err(fsl_chan->dev, "No free memory for link descriptor\n"); - return NULL; + goto fail; } #ifdef FSL_DMA_LD_DEBUG dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new); @@ -507,7 +515,19 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy( /* Set End-of-link to the last link descriptor of new list*/ set_ld_eol(fsl_chan, new); - return first ? &first->async_tx : NULL; + return &first->async_tx; + +fail: + if (!first) + return NULL; + + list = &first->async_tx.tx_list; + list_for_each_entry_safe_reverse(new, prev, list, node) { + list_del(&new->node); + dma_pool_free(fsl_chan->desc_pool, new, new->async_tx.phys); + } + + return NULL; } /** @@ -598,15 +618,16 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan) dma_addr_t next_dest_addr; unsigned long flags; + spin_lock_irqsave(&fsl_chan->desc_lock, flags); + if (!dma_is_idle(fsl_chan)) - return; + goto out_unlock; dma_halt(fsl_chan); /* If there are some link descriptors * not transfered in queue. We need to start it. */ - spin_lock_irqsave(&fsl_chan->desc_lock, flags); /* Find the first un-transfer desciptor */ for (ld_node = fsl_chan->ld_queue.next; @@ -617,19 +638,20 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan) fsl_chan->common.cookie) == DMA_SUCCESS); ld_node = ld_node->next); - spin_unlock_irqrestore(&fsl_chan->desc_lock, flags); - if (ld_node != &fsl_chan->ld_queue) { /* Get the ld start address from ld_queue */ next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys; - dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n", - (void *)next_dest_addr); + dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%llx\n", + (unsigned long long)next_dest_addr); set_cdar(fsl_chan, next_dest_addr); dma_start(fsl_chan); } else { set_cdar(fsl_chan, 0); set_ndar(fsl_chan, 0); } + +out_unlock: + spin_unlock_irqrestore(&fsl_chan->desc_lock, flags); } /** @@ -734,8 +756,9 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data) */ if (stat & FSL_DMA_SR_EOSI) { dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n"); - dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n", - (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan)); + dev_dbg(fsl_chan->dev, "event: clndar 0x%llx, nlndar 0x%llx\n", + (unsigned long long)get_cdar(fsl_chan), + (unsigned long long)get_ndar(fsl_chan)); stat &= ~FSL_DMA_SR_EOSI; update_cookie = 1; } @@ -830,7 +853,7 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev, new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1); new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7; - if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) { + if (new_fsl_chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) { dev_err(fdev->dev, "There is no %d channel!\n", new_fsl_chan->id); err = -EINVAL; @@ -925,8 +948,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, } dev_info(&dev->dev, "Probe the Freescale DMA driver for %s " - "controller at %p...\n", - match->compatible, (void *)fdev->reg.start); + "controller at 0x%llx...\n", + match->compatible, (unsigned long long)fdev->reg.start); fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end - fdev->reg.start + 1); diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c index e4fc33c1c32..a600fc0f796 100644 --- a/drivers/dma/ioat_dma.c +++ b/drivers/dma/ioat_dma.c @@ -173,7 +173,7 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device) xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale)); #ifdef CONFIG_I7300_IDLE_IOAT_CHANNEL - if (i7300_idle_platform_probe(NULL, NULL) == 0) { + if (i7300_idle_platform_probe(NULL, NULL, 1) == 0) { device->common.chancnt--; } #endif @@ -1063,22 +1063,31 @@ static void ioat_dma_cleanup_tasklet(unsigned long data) static void ioat_dma_unmap(struct ioat_dma_chan *ioat_chan, struct ioat_desc_sw *desc) { - /* - * yes we are unmapping both _page and _single - * alloc'd regions with unmap_page. Is this - * *really* that bad? - */ - if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) - pci_unmap_page(ioat_chan->device->pdev, - pci_unmap_addr(desc, dst), - pci_unmap_len(desc, len), - PCI_DMA_FROMDEVICE); - - if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) - pci_unmap_page(ioat_chan->device->pdev, - pci_unmap_addr(desc, src), - pci_unmap_len(desc, len), - PCI_DMA_TODEVICE); + if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) { + if (desc->async_tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE) + pci_unmap_single(ioat_chan->device->pdev, + pci_unmap_addr(desc, dst), + pci_unmap_len(desc, len), + PCI_DMA_FROMDEVICE); + else + pci_unmap_page(ioat_chan->device->pdev, + pci_unmap_addr(desc, dst), + pci_unmap_len(desc, len), + PCI_DMA_FROMDEVICE); + } + + if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) { + if (desc->async_tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE) + pci_unmap_single(ioat_chan->device->pdev, + pci_unmap_addr(desc, src), + pci_unmap_len(desc, len), + PCI_DMA_TODEVICE); + else + pci_unmap_page(ioat_chan->device->pdev, + pci_unmap_addr(desc, src), + pci_unmap_len(desc, len), + PCI_DMA_TODEVICE); + } } /** @@ -1363,6 +1372,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device) int err = 0; struct completion cmp; unsigned long tmo; + unsigned long flags; src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL); if (!src) @@ -1392,8 +1402,9 @@ static int ioat_dma_self_test(struct ioatdma_device *device) DMA_TO_DEVICE); dma_dest = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); + flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE; tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src, - IOAT_TEST_SIZE, 0); + IOAT_TEST_SIZE, flags); if (!tx) { dev_err(&device->pdev->dev, "Self-test prep failed, disabling\n"); diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index e202a6ce557..9a5bc1a7389 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -1272,7 +1272,8 @@ static irqreturn_t idmac_interrupt(int irq, void *dev_id) /* Other interrupts do not interfere with this channel */ spin_lock(&ichan->lock); if (unlikely(chan_id != IDMAC_SDC_0 && chan_id != IDMAC_SDC_1 && - ((curbuf >> chan_id) & 1) == ichan->active_buffer)) { + ((curbuf >> chan_id) & 1) == ichan->active_buffer && + !list_is_last(ichan->queue.next, &ichan->queue))) { int i = 100; /* This doesn't help. See comment in ipu_disable_channel() */ @@ -1547,7 +1548,7 @@ static irqreturn_t ic_sof_irq(int irq, void *dev_id) struct idmac_channel *ichan = dev_id; printk(KERN_DEBUG "Got SOF IRQ %d on Channel %d\n", irq, ichan->dma_chan.chan_id); - disable_irq(irq); + disable_irq_nosync(irq); return IRQ_HANDLED; } @@ -1556,7 +1557,7 @@ static irqreturn_t ic_eof_irq(int irq, void *dev_id) struct idmac_channel *ichan = dev_id; printk(KERN_DEBUG "Got EOF IRQ %d on Channel %d\n", irq, ichan->dma_chan.chan_id); - disable_irq(irq); + disable_irq_nosync(irq); return IRQ_HANDLED; } diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index e5f5c5a8ba6..956982f8739 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -192,16 +192,20 @@ config EDAC_PPC4XX config EDAC_AMD8131 tristate "AMD8131 HyperTransport PCI-X Tunnel" - depends on EDAC_MM_EDAC && PCI + depends on EDAC_MM_EDAC && PCI && PPC_MAPLE help Support for error detection and correction on the AMD8131 HyperTransport PCI-X Tunnel chip. + Note, add more Kconfig dependency if it's adopted + on some machine other than Maple. config EDAC_AMD8111 tristate "AMD8111 HyperTransport I/O Hub" - depends on EDAC_MM_EDAC && PCI + depends on EDAC_MM_EDAC && PCI && PPC_MAPLE help Support for error detection and correction on the AMD8111 HyperTransport I/O Hub chip. + Note, add more Kconfig dependency if it's adopted + on some machine other than Maple. endif # EDAC diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index a5fdcf02f59..59076819135 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -35,3 +35,5 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac.o obj-$(CONFIG_EDAC_MV64X60) += mv64x60_edac.o obj-$(CONFIG_EDAC_CELL) += cell_edac.o obj-$(CONFIG_EDAC_PPC4XX) += ppc4xx_edac.o +obj-$(CONFIG_EDAC_AMD8111) += amd8111_edac.o +obj-$(CONFIG_EDAC_AMD8131) += amd8131_edac.o diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c index 61469218112..2cb58ef743e 100644 --- a/drivers/edac/amd8111_edac.c +++ b/drivers/edac/amd8111_edac.c @@ -389,7 +389,7 @@ static int amd8111_dev_probe(struct pci_dev *dev, dev_info->edac_dev->dev = &dev_info->dev->dev; dev_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR; dev_info->edac_dev->ctl_name = dev_info->ctl_name; - dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id; + dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev); if (edac_op_state == EDAC_OPSTATE_POLL) dev_info->edac_dev->edac_check = dev_info->check; @@ -473,7 +473,7 @@ static int amd8111_pci_probe(struct pci_dev *dev, pci_info->edac_dev->dev = &pci_info->dev->dev; pci_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR; pci_info->edac_dev->ctl_name = pci_info->ctl_name; - pci_info->edac_dev->dev_name = pci_info->dev->dev.bus_id; + pci_info->edac_dev->dev_name = dev_name(&pci_info->dev->dev); if (edac_op_state == EDAC_OPSTATE_POLL) pci_info->edac_dev->edac_check = pci_info->check; diff --git a/drivers/edac/amd8131_edac.c b/drivers/edac/amd8131_edac.c index c083b31cac5..b432d60c622 100644 --- a/drivers/edac/amd8131_edac.c +++ b/drivers/edac/amd8131_edac.c @@ -287,7 +287,7 @@ static int amd8131_probe(struct pci_dev *dev, const struct pci_device_id *id) dev_info->edac_dev->dev = &dev_info->dev->dev; dev_info->edac_dev->mod_name = AMD8131_EDAC_MOD_STR; dev_info->edac_dev->ctl_name = dev_info->ctl_name; - dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id; + dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev); if (edac_op_state == EDAC_OPSTATE_POLL) dev_info->edac_dev->edac_check = amd8131_chipset.check; diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index 4637a4a757d..7c8c2d72916 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -674,7 +674,7 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci) int row_index; err_detect = in_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT); - if (err_detect) + if (!err_detect) return; mpc85xx_mc_printk(mci, KERN_ERR, "Err Detect Register: %#8.8x\n", diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index 7b7ddc2d51c..420a96e7f2d 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -754,11 +754,11 @@ static int __init ibft_check_nic_for(struct ibft_nic *nic, int entry) rc = 1; break; case ibft_eth_ip_addr: - if (!memcmp(nic->dhcp, nulls, sizeof(nic->dhcp))) + if (memcmp(nic->ip_addr, nulls, sizeof(nic->ip_addr))) rc = 1; break; case ibft_eth_subnet_mask: - if (!memcmp(nic->dhcp, nulls, sizeof(nic->dhcp))) + if (nic->subnet_mask_prefix) rc = 1; break; case ibft_eth_origin: diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 3a22eb9be37..f5d46e7199d 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -67,11 +67,18 @@ config DRM_I830 will load the correct one. config DRM_I915 + tristate "i915 driver" select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select FB - tristate "i915 driver" + select FRAMEBUFFER_CONSOLE if !EMBEDDED + # i915 depends on ACPI_VIDEO when ACPI is enabled + # but for select to work, need to select ACPI_VIDEO's dependencies, ick + select VIDEO_OUTPUT_CONTROL if ACPI + select BACKLIGHT_CLASS_DEVICE if ACPI + select INPUT if ACPI + select ACPI_VIDEO if ACPI help Choose this option if you have a system that has Intel 830M, 845G, 852GM, 855GM 865G or 915G integrated graphics. If M is selected, the diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index 6d80d17f1e9..0411d912d82 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -170,6 +170,14 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset, } DRM_DEBUG("offset = 0x%08llx, size = 0x%08lx, type = %d\n", (unsigned long long)map->offset, map->size, map->type); + + /* page-align _DRM_SHM maps. They are allocated here so there is no security + * hole created by that and it works around various broken drivers that use + * a non-aligned quantity to map the SAREA. --BenH + */ + if (map->type == _DRM_SHM) + map->size = PAGE_ALIGN(map->size); + if ((map->offset & (~(resource_size_t)PAGE_MASK)) || (map->size & (~PAGE_MASK))) { drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -EINVAL; diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 94a76887173..8fab7890a36 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2294,7 +2294,12 @@ int drm_mode_connector_property_set_ioctl(struct drm_device *dev, } } - if (connector->funcs->set_property) + /* Do DPMS ourselves */ + if (property == connector->dev->mode_config.dpms_property) { + if (connector->funcs->dpms) + (*connector->funcs->dpms)(connector, (int) out_resp->value); + ret = 0; + } else if (connector->funcs->set_property) ret = connector->funcs->set_property(connector, property, out_resp->value); /* store the property value if succesful */ diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index a04639dc633..a6f73f1e99d 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -199,6 +199,29 @@ static void drm_helper_add_std_modes(struct drm_device *dev, } /** + * drm_helper_encoder_in_use - check if a given encoder is in use + * @encoder: encoder to check + * + * LOCKING: + * Caller must hold mode config lock. + * + * Walk @encoders's DRM device's mode_config and see if it's in use. + * + * RETURNS: + * True if @encoder is part of the mode_config, false otherwise. + */ +bool drm_helper_encoder_in_use(struct drm_encoder *encoder) +{ + struct drm_connector *connector; + struct drm_device *dev = encoder->dev; + list_for_each_entry(connector, &dev->mode_config.connector_list, head) + if (connector->encoder == encoder) + return true; + return false; +} +EXPORT_SYMBOL(drm_helper_encoder_in_use); + +/** * drm_helper_crtc_in_use - check if a given CRTC is in a mode_config * @crtc: CRTC to check * @@ -216,7 +239,7 @@ bool drm_helper_crtc_in_use(struct drm_crtc *crtc) struct drm_device *dev = crtc->dev; /* FIXME: Locking around list access? */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) - if (encoder->crtc == crtc) + if (encoder->crtc == crtc && drm_helper_encoder_in_use(encoder)) return true; return false; } @@ -240,7 +263,7 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { encoder_funcs = encoder->helper_private; - if (!encoder->crtc) + if (!drm_helper_encoder_in_use(encoder)) (*encoder_funcs->dpms)(encoder, DRM_MODE_DPMS_OFF); } @@ -561,7 +584,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, int saved_x, saved_y; struct drm_encoder *encoder; bool ret = true; - bool depth_changed, bpp_changed; adjusted_mode = drm_mode_duplicate(dev, mode); @@ -570,15 +592,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (!crtc->enabled) return true; - if (old_fb && crtc->fb) { - depth_changed = (old_fb->depth != crtc->fb->depth); - bpp_changed = (old_fb->bits_per_pixel != - crtc->fb->bits_per_pixel); - } else { - depth_changed = true; - bpp_changed = true; - } - saved_mode = crtc->mode; saved_x = crtc->x; saved_y = crtc->y; @@ -590,15 +603,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, crtc->x = x; crtc->y = y; - if (drm_mode_equal(&saved_mode, &crtc->mode)) { - if (saved_x != crtc->x || saved_y != crtc->y || - depth_changed || bpp_changed) { - ret = !crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y, - old_fb); - goto done; - } - } - /* Pass our mode to the connectors and the CRTC to give them a chance to * adjust it according to limitations or connector properties, and also * a chance to reject the mode entirely. @@ -954,6 +958,88 @@ bool drm_helper_initial_config(struct drm_device *dev) } EXPORT_SYMBOL(drm_helper_initial_config); +static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder) +{ + int dpms = DRM_MODE_DPMS_OFF; + struct drm_connector *connector; + struct drm_device *dev = encoder->dev; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) + if (connector->encoder == encoder) + if (connector->dpms < dpms) + dpms = connector->dpms; + return dpms; +} + +static int drm_helper_choose_crtc_dpms(struct drm_crtc *crtc) +{ + int dpms = DRM_MODE_DPMS_OFF; + struct drm_connector *connector; + struct drm_device *dev = crtc->dev; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) + if (connector->encoder && connector->encoder->crtc == crtc) + if (connector->dpms < dpms) + dpms = connector->dpms; + return dpms; +} + +/** + * drm_helper_connector_dpms + * @connector affected connector + * @mode DPMS mode + * + * Calls the low-level connector DPMS function, then + * calls appropriate encoder and crtc DPMS functions as well + */ +void drm_helper_connector_dpms(struct drm_connector *connector, int mode) +{ + struct drm_encoder *encoder = connector->encoder; + struct drm_crtc *crtc = encoder ? encoder->crtc : NULL; + int old_dpms; + + if (mode == connector->dpms) + return; + + old_dpms = connector->dpms; + connector->dpms = mode; + + /* from off to on, do crtc then encoder */ + if (mode < old_dpms) { + if (crtc) { + struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + if (crtc_funcs->dpms) + (*crtc_funcs->dpms) (crtc, + drm_helper_choose_crtc_dpms(crtc)); + } + if (encoder) { + struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; + if (encoder_funcs->dpms) + (*encoder_funcs->dpms) (encoder, + drm_helper_choose_encoder_dpms(encoder)); + } + } + + /* from on to off, do encoder then crtc */ + if (mode > old_dpms) { + if (encoder) { + struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; + if (encoder_funcs->dpms) + (*encoder_funcs->dpms) (encoder, + drm_helper_choose_encoder_dpms(encoder)); + } + if (crtc) { + struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + if (crtc_funcs->dpms) + (*crtc_funcs->dpms) (crtc, + drm_helper_choose_crtc_dpms(crtc)); + } + } + + return; +} +EXPORT_SYMBOL(drm_helper_connector_dpms); + /** * drm_hotplug_stage_two * @dev DRM device diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index c4ada8b6295..019b7c57823 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -456,7 +456,8 @@ int drm_ioctl(struct inode *inode, struct file *filp, retcode = -EINVAL; } else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) || ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || - ((ioctl->flags & DRM_MASTER) && !file_priv->is_master)) { + ((ioctl->flags & DRM_MASTER) && !file_priv->is_master) || + (!(ioctl->flags & DRM_CONTROL_ALLOW) && (file_priv->minor->type == DRM_MINOR_CONTROL))) { retcode = -EACCES; } else { if (cmd & (IOC_IN | IOC_OUT)) { @@ -480,7 +481,7 @@ int drm_ioctl(struct inode *inode, struct file *filp, } retcode = func(dev, kdata, file_priv); - if ((retcode == 0) && (cmd & IOC_OUT)) { + if (cmd & IOC_OUT) { if (copy_to_user((void __user *)arg, kdata, _IOC_SIZE(cmd)) != 0) retcode = -EFAULT; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index ca9c6165671..6f6b26479d8 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -289,6 +289,11 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, struct drm_display_mode *mode; struct detailed_pixel_timing *pt = &timing->data.pixel_data; + /* ignore tiny modes */ + if (((pt->hactive_hi << 8) | pt->hactive_lo) < 64 || + ((pt->vactive_hi << 8) | pt->hactive_lo) < 64) + return NULL; + if (pt->stereo) { printk(KERN_WARNING "stereo mode not supported\n"); return NULL; diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 93e677a481f..fc8e5acd9d9 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -196,6 +196,7 @@ int drm_irq_install(struct drm_device *dev) { int ret = 0; unsigned long sh_flags = 0; + char *irqname; if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; @@ -227,8 +228,13 @@ int drm_irq_install(struct drm_device *dev) if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED)) sh_flags = IRQF_SHARED; + if (dev->devname) + irqname = dev->devname; + else + irqname = dev->driver->name; + ret = request_irq(drm_dev_to_irq(dev), dev->driver->irq_handler, - sh_flags, dev->devname, dev); + sh_flags, irqname, dev); if (ret < 0) { mutex_lock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index d009661781b..b9631e3a1ea 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -159,6 +159,9 @@ void drm_master_put(struct drm_master **master) int drm_setmaster_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + if (file_priv->is_master) + return 0; + if (file_priv->minor->master && file_priv->minor->master != file_priv->master) return -EINVAL; @@ -169,6 +172,7 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data, file_priv->minor->master != file_priv->master) { mutex_lock(&dev->struct_mutex); file_priv->minor->master = drm_master_get(file_priv->master); + file_priv->is_master = 1; mutex_unlock(&dev->struct_mutex); } @@ -178,10 +182,15 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data, int drm_dropmaster_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { - if (!file_priv->master) + if (!file_priv->is_master) + return -EINVAL; + + if (!file_priv->minor->master) return -EINVAL; + mutex_lock(&dev->struct_mutex); drm_master_put(&file_priv->minor->master); + file_priv->is_master = 0; mutex_unlock(&dev->struct_mutex); return 0; } @@ -393,14 +402,14 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, if (dev->driver->load) { ret = dev->driver->load(dev, ent->driver_data); if (ret) - goto err_g3; + goto err_g4; } /* setup the grouping for the legacy output */ if (drm_core_check_feature(dev, DRIVER_MODESET)) { ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); if (ret) - goto err_g3; + goto err_g4; } list_add_tail(&dev->driver_item, &driver->device_list); @@ -411,8 +420,11 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, return 0; -err_g3: +err_g4: drm_put_minor(&dev->primary); +err_g3: + if (drm_core_check_feature(dev, DRIVER_MODESET)) + drm_put_minor(&dev->control); err_g2: pci_disable_device(pdev); err_g1: @@ -493,11 +505,11 @@ void drm_put_dev(struct drm_device *dev) dev->agp = NULL; } - drm_ht_remove(&dev->map_hash); - drm_ctxbitmap_cleanup(dev); - list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) drm_rmmap(dev, r_list->map); + drm_ht_remove(&dev->map_hash); + + drm_ctxbitmap_cleanup(dev); if (drm_core_check_feature(dev, DRIVER_MODESET)) drm_put_minor(&dev->control); diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index bc0c6849360..9987ab88083 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -132,6 +132,7 @@ void drm_sysfs_destroy(void) */ static void drm_sysfs_device_release(struct device *dev) { + memset(dev, 0, sizeof(struct device)); return; } @@ -146,7 +147,7 @@ static ssize_t status_show(struct device *device, enum drm_connector_status status; status = connector->funcs->detect(connector); - return snprintf(buf, PAGE_SIZE, "%s", + return snprintf(buf, PAGE_SIZE, "%s\n", drm_get_connector_status_name(status)); } @@ -165,7 +166,7 @@ static ssize_t dpms_show(struct device *device, if (ret) return 0; - return snprintf(buf, PAGE_SIZE, "%s", + return snprintf(buf, PAGE_SIZE, "%s\n", drm_get_dpms_name((int)dpms_status)); } @@ -175,7 +176,7 @@ static ssize_t enabled_show(struct device *device, { struct drm_connector *connector = to_drm_connector(device); - return snprintf(buf, PAGE_SIZE, connector->encoder ? "enabled" : + return snprintf(buf, PAGE_SIZE, "%s\n", connector->encoder ? "enabled" : "disabled"); } @@ -316,6 +317,7 @@ static struct device_attribute connector_attrs_opt1[] = { static struct bin_attribute edid_attr = { .attr.name = "edid", + .attr.mode = 0444, .size = 128, .read = edid_show, }; @@ -488,9 +490,7 @@ int drm_sysfs_device_add(struct drm_minor *minor) return 0; - device_unregister(&minor->kdev); err_out: - return err; } diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index a000cf02882..0ccb63ee50e 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -713,18 +713,18 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, mutex_unlock(&dev->struct_mutex); if (ret) { DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); - goto fail_batch_free; + goto fail_clip_free; } if (sarea_priv) sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); -fail_batch_free: - drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER); fail_clip_free: drm_free(cliprects, cmdbuf->num_cliprects * sizeof(struct drm_clip_rect), DRM_MEM_DRIVER); +fail_batch_free: + drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER); return ret; } @@ -987,12 +987,6 @@ static int i915_load_modeset_init(struct drm_device *dev) int fb_bar = IS_I9XX(dev) ? 2 : 0; int ret = 0; - dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL); - if (!dev->devname) { - ret = -ENOMEM; - goto out; - } - dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) & 0xff000000; @@ -1006,17 +1000,25 @@ static int i915_load_modeset_init(struct drm_device *dev) ret = i915_probe_agp(dev, &agp_size, &prealloc_size); if (ret) - goto kfree_devname; + goto out; /* Basic memrange allocator for stolen space (aka vram) */ drm_mm_init(&dev_priv->vram, 0, prealloc_size); - /* Let GEM Manage from end of prealloc space to end of aperture */ - i915_gem_do_init(dev, prealloc_size, agp_size); + /* Let GEM Manage from end of prealloc space to end of aperture. + * + * However, leave one page at the end still bound to the scratch page. + * There are a number of places where the hardware apparently + * prefetches past the end of the object, and we've seen multiple + * hangs with the GPU head pointer stuck in a batchbuffer bound + * at the last page of the aperture. One page should be enough to + * keep any prefetching inside of the aperture. + */ + i915_gem_do_init(dev, prealloc_size, agp_size - 4096); ret = i915_gem_init_ringbuffer(dev); if (ret) - goto kfree_devname; + goto out; /* Allow hardware batchbuffers unless told otherwise. */ @@ -1048,8 +1050,6 @@ static int i915_load_modeset_init(struct drm_device *dev) destroy_ringbuffer: i915_gem_cleanup_ringbuffer(dev); -kfree_devname: - kfree(dev->devname); out: return ret; } @@ -1232,7 +1232,7 @@ int i915_driver_unload(struct drm_device *dev) if (dev_priv->regs != NULL) iounmap(dev_priv->regs); - intel_opregion_free(dev); + intel_opregion_free(dev, 0); if (drm_core_check_feature(dev, DRIVER_MODESET)) { intel_modeset_cleanup(dev); @@ -1350,6 +1350,7 @@ struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0), DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0), DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, 0), + DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 6503e2210f6..98560e1e899 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -77,7 +77,7 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) drm_irq_uninstall(dev); } - intel_opregion_free(dev); + intel_opregion_free(dev, 1); if (state.event == PM_EVENT_SUSPEND) { /* Shut down the device */ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 473a8f7fbdb..c431fa54bbb 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -180,7 +180,8 @@ typedef struct drm_i915_private { int backlight_duty_cycle; /* restore backlight to this value */ bool panel_wants_dither; struct drm_display_mode *panel_fixed_mode; - struct drm_display_mode *vbt_mode; /* if any */ + struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */ + struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */ /* Feature bits from the VBIOS */ unsigned int int_tv_support:1; @@ -283,6 +284,7 @@ typedef struct drm_i915_private { u8 saveAR[21]; u8 saveDACMASK; u8 saveCR[37]; + uint64_t saveFENCE[16]; struct { struct drm_mm gtt_space; @@ -674,12 +676,12 @@ extern int i915_restore_state(struct drm_device *dev); #ifdef CONFIG_ACPI /* i915_opregion.c */ extern int intel_opregion_init(struct drm_device *dev, int resume); -extern void intel_opregion_free(struct drm_device *dev); +extern void intel_opregion_free(struct drm_device *dev, int suspend); extern void opregion_asle_intr(struct drm_device *dev); extern void opregion_enable_asle(struct drm_device *dev); #else static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; } -static inline void intel_opregion_free(struct drm_device *dev) { return; } +static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; } static inline void opregion_asle_intr(struct drm_device *dev) { return; } static inline void opregion_enable_asle(struct drm_device *dev) { return; } #endif @@ -705,13 +707,8 @@ extern void intel_modeset_cleanup(struct drm_device *dev); #define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg)) #define I915_READ8(reg) readb(dev_priv->regs + (reg)) #define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg)) -#ifdef writeq #define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg)) -#else -#define I915_WRITE64(reg, val) (writel(val, dev_priv->regs + (reg)), \ - writel(upper_32_bits(val), dev_priv->regs + \ - (reg) + 4)) -#endif +#define I915_READ64(reg) readq(dev_priv->regs + (reg)) #define POSTING_READ(reg) (void)I915_READ(reg) #define I915_VERBOSE 0 @@ -787,15 +784,18 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); (dev)->pci_device == 0x2A42 || \ (dev)->pci_device == 0x2E02 || \ (dev)->pci_device == 0x2E12 || \ - (dev)->pci_device == 0x2E22) + (dev)->pci_device == 0x2E22 || \ + (dev)->pci_device == 0x2E32) -#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02) +#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02 || \ + (dev)->pci_device == 0x2A12) #define IS_GM45(dev) ((dev)->pci_device == 0x2A42) #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \ (dev)->pci_device == 0x2E12 || \ (dev)->pci_device == 0x2E22 || \ + (dev)->pci_device == 0x2E32 || \ IS_GM45(dev)) #define IS_IGDG(dev) ((dev)->pci_device == 0xa001) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4642115902d..39f5c658ef5 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj, last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE; num_pages = last_data_page - first_data_page + 1; - user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL); + user_pages = drm_calloc_large(num_pages, sizeof(struct page *)); if (user_pages == NULL) return -ENOMEM; @@ -429,7 +429,7 @@ fail_put_user_pages: SetPageDirty(user_pages[i]); page_cache_release(user_pages[i]); } - kfree(user_pages); + drm_free_large(user_pages); return ret; } @@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj, last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE; num_pages = last_data_page - first_data_page + 1; - user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL); + user_pages = drm_calloc_large(num_pages, sizeof(struct page *)); if (user_pages == NULL) return -ENOMEM; @@ -719,7 +719,7 @@ out_unlock: out_unpin_pages: for (i = 0; i < pinned_pages; i++) page_cache_release(user_pages[i]); - kfree(user_pages); + drm_free_large(user_pages); return ret; } @@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj, last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE; num_pages = last_data_page - first_data_page + 1; - user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL); + user_pages = drm_calloc_large(num_pages, sizeof(struct page *)); if (user_pages == NULL) return -ENOMEM; @@ -902,7 +902,7 @@ fail_unlock: fail_put_user_pages: for (i = 0; i < pinned_pages; i++) page_cache_release(user_pages[i]); - kfree(user_pages); + drm_free_large(user_pages); return ret; } @@ -1145,7 +1145,14 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) mutex_unlock(&dev->struct_mutex); return VM_FAULT_SIGBUS; } - list_add(&obj_priv->list, &dev_priv->mm.inactive_list); + + ret = i915_gem_object_set_to_gtt_domain(obj, write); + if (ret) { + mutex_unlock(&dev->struct_mutex); + return VM_FAULT_SIGBUS; + } + + list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list); } /* Need a new fence register? */ @@ -1375,7 +1382,7 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data, mutex_unlock(&dev->struct_mutex); return ret; } - list_add(&obj_priv->list, &dev_priv->mm.inactive_list); + list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list); } drm_gem_object_unreference(obj); @@ -1408,9 +1415,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj) } obj_priv->dirty = 0; - drm_free(obj_priv->pages, - page_count * sizeof(struct page *), - DRM_MEM_DRIVER); + drm_free_large(obj_priv->pages); obj_priv->pages = NULL; } @@ -1691,11 +1696,20 @@ static int i915_wait_request(struct drm_device *dev, uint32_t seqno) { drm_i915_private_t *dev_priv = dev->dev_private; + u32 ier; int ret = 0; BUG_ON(seqno == 0); if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) { + ier = I915_READ(IER); + if (!ier) { + DRM_ERROR("something (likely vbetool) disabled " + "interrupts, re-enabling\n"); + i915_driver_irq_preinstall(dev); + i915_driver_irq_postinstall(dev); + } + dev_priv->mm.waiting_gem_seqno = seqno; i915_user_irq_get(dev); ret = wait_event_interruptible(dev_priv->irq_queue, @@ -2015,8 +2029,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj) */ page_count = obj->size / PAGE_SIZE; BUG_ON(obj_priv->pages != NULL); - obj_priv->pages = drm_calloc(page_count, sizeof(struct page *), - DRM_MEM_DRIVER); + obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *)); if (obj_priv->pages == NULL) { DRM_ERROR("Faled to allocate page list\n"); obj_priv->pages_refcount--; @@ -2122,8 +2135,10 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg) return; } - pitch_val = (obj_priv->stride / 128) - 1; - WARN_ON(pitch_val & ~0x0000000f); + pitch_val = obj_priv->stride / 128; + pitch_val = ffs(pitch_val) - 1; + WARN_ON(pitch_val > I830_FENCE_MAX_PITCH_VAL); + val = obj_priv->gtt_offset; if (obj_priv->tiling_mode == I915_TILING_Y) val |= 1 << I830_FENCE_TILING_Y_SHIFT; @@ -2245,9 +2260,6 @@ try_again: goto try_again; } - BUG_ON(old_obj_priv->active || - (reg->obj->write_domain & I915_GEM_GPU_DOMAINS)); - /* * Zap this virtual mapping so we can set up a fence again * for this object next time we need it. @@ -2415,6 +2427,16 @@ i915_gem_clflush_object(struct drm_gem_object *obj) if (obj_priv->pages == NULL) return; + /* XXX: The 865 in particular appears to be weird in how it handles + * cache flushing. We haven't figured it out, but the + * clflush+agp_chipset_flush doesn't appear to successfully get the + * data visible to the PGU, while wbinvd + agp_chipset_flush does. + */ + if (IS_I865G(obj->dev)) { + wbinvd(); + return; + } + drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE); } @@ -3102,7 +3124,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list, reloc_count += exec_list[i].relocation_count; } - *relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER); + *relocs = drm_calloc_large(reloc_count, sizeof(**relocs)); if (*relocs == NULL) return -ENOMEM; @@ -3116,8 +3138,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list, exec_list[i].relocation_count * sizeof(**relocs)); if (ret != 0) { - drm_free(*relocs, reloc_count * sizeof(**relocs), - DRM_MEM_DRIVER); + drm_free_large(*relocs); *relocs = NULL; return -EFAULT; } @@ -3156,7 +3177,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list, } err: - drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER); + drm_free_large(relocs); return ret; } @@ -3189,10 +3210,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, return -EINVAL; } /* Copy in the exec list from userland */ - exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count, - DRM_MEM_DRIVER); - object_list = drm_calloc(sizeof(*object_list), args->buffer_count, - DRM_MEM_DRIVER); + exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count); + object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count); if (exec_list == NULL || object_list == NULL) { DRM_ERROR("Failed to allocate exec or object list " "for %d buffers\n", @@ -3453,10 +3472,8 @@ err: } pre_mutex_err: - drm_free(object_list, sizeof(*object_list) * args->buffer_count, - DRM_MEM_DRIVER); - drm_free(exec_list, sizeof(*exec_list) * args->buffer_count, - DRM_MEM_DRIVER); + drm_free_large(object_list); + drm_free_large(exec_list); drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects, DRM_MEM_DRIVER); @@ -4087,8 +4104,10 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data, dev_priv->mm.suspended = 0; ret = i915_gem_init_ringbuffer(dev); - if (ret != 0) + if (ret != 0) { + mutex_unlock(&dev->struct_mutex); return ret; + } spin_lock(&dev_priv->mm.active_list_lock); BUG_ON(!list_empty(&dev_priv->mm.active_list)); diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index f27e523c764..540dd336e6e 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -213,7 +213,8 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode) if (tiling_mode == I915_TILING_NONE) return true; - if (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)) + if (!IS_I9XX(dev) || + (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))) tile_width = 128; else tile_width = 512; @@ -225,11 +226,18 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode) if (stride / 128 > I965_FENCE_MAX_PITCH_VAL) return false; } else if (IS_I9XX(dev)) { - if (stride / tile_width > I830_FENCE_MAX_PITCH_VAL || + uint32_t pitch_val = ffs(stride / tile_width) - 1; + + /* XXX: For Y tiling, FENCE_MAX_PITCH_VAL is actually 6 (8KB) + * instead of 4 (2KB) on 945s. + */ + if (pitch_val > I915_FENCE_MAX_PITCH_VAL || size > (I830_FENCE_MAX_SIZE_VAL << 20)) return false; } else { - if (stride / 128 > I830_FENCE_MAX_PITCH_VAL || + uint32_t pitch_val = ffs(stride / tile_width) - 1; + + if (pitch_val > I830_FENCE_MAX_PITCH_VAL || size > (I830_FENCE_MAX_SIZE_VAL << 19)) return false; } @@ -283,7 +291,6 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, mutex_lock(&dev->struct_mutex); if (args->tiling_mode == I915_TILING_NONE) { - obj_priv->tiling_mode = I915_TILING_NONE; args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE; } else { if (args->tiling_mode == I915_TILING_X) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index ee7ce7b78cf..98bb4c878c4 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -406,7 +406,7 @@ int i915_irq_emit(struct drm_device *dev, void *data, drm_i915_irq_emit_t *emit = data; int result; - if (!dev_priv) { + if (!dev_priv || !dev_priv->ring.virtual_start) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 69427722d20..dc425e74a26 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -370,11 +370,8 @@ int intel_opregion_init(struct drm_device *dev, int resume) if (mboxes & MBOX_ACPI) { DRM_DEBUG("Public ACPI methods supported\n"); opregion->acpi = base + OPREGION_ACPI_OFFSET; - if (drm_core_check_feature(dev, DRIVER_MODESET)) { + if (drm_core_check_feature(dev, DRIVER_MODESET)) intel_didl_outputs(dev); - if (!resume) - acpi_video_register(); - } } else { DRM_DEBUG("Public ACPI methods not supported\n"); err = -ENOTSUPP; @@ -389,8 +386,13 @@ int intel_opregion_init(struct drm_device *dev, int resume) if (mboxes & MBOX_ASLE) { DRM_DEBUG("ASLE supported\n"); opregion->asle = base + OPREGION_ASLE_OFFSET; + opregion_enable_asle(dev); } + if (!resume) + acpi_video_register(); + + /* Notify BIOS we are ready to handle ACPI video ext notifs. * Right now, all the events are handled by the ACPI video module. * We don't actually need to do anything with them. */ @@ -408,7 +410,7 @@ err_out: return err; } -void intel_opregion_free(struct drm_device *dev) +void intel_opregion_free(struct drm_device *dev, int suspend) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; @@ -416,6 +418,9 @@ void intel_opregion_free(struct drm_device *dev) if (!opregion->enabled) return; + if (!suspend) + acpi_video_exit(); + opregion->acpi->drdy = 0; system_opregion = NULL; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e805b590ae7..375569d01d0 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -190,7 +190,8 @@ #define I830_FENCE_SIZE_BITS(size) ((ffs((size) >> 19) - 1) << 8) #define I830_FENCE_PITCH_SHIFT 4 #define I830_FENCE_REG_VALID (1<<0) -#define I830_FENCE_MAX_PITCH_VAL 0x10 +#define I915_FENCE_MAX_PITCH_VAL 0x10 +#define I830_FENCE_MAX_PITCH_VAL 6 #define I830_FENCE_MAX_SIZE_VAL (1<<8) #define I915_FENCE_START_MASK 0x0ff00000 @@ -526,6 +527,7 @@ #define DPLLA_INPUT_BUFFER_ENABLE (1 << 0) #define D_STATE 0x6104 #define CG_2D_DIS 0x6200 +#define DPCUNIT_CLOCK_GATE_DISABLE (1 << 24) #define CG_3D_DIS 0x6204 /* @@ -1409,9 +1411,25 @@ /* Cursor A & B regs */ #define CURACNTR 0x70080 +/* Old style CUR*CNTR flags (desktop 8xx) */ +#define CURSOR_ENABLE 0x80000000 +#define CURSOR_GAMMA_ENABLE 0x40000000 +#define CURSOR_STRIDE_MASK 0x30000000 +#define CURSOR_FORMAT_SHIFT 24 +#define CURSOR_FORMAT_MASK (0x07 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_2C (0x00 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_3C (0x01 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_4C (0x02 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_ARGB (0x04 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_XRGB (0x05 << CURSOR_FORMAT_SHIFT) +/* New style CUR*CNTR flags */ +#define CURSOR_MODE 0x27 #define CURSOR_MODE_DISABLE 0x00 #define CURSOR_MODE_64_32B_AX 0x07 #define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX) +#define MCURSOR_PIPE_SELECT (1 << 28) +#define MCURSOR_PIPE_A 0x00 +#define MCURSOR_PIPE_B (1 << 28) #define MCURSOR_GAMMA_ENABLE (1 << 26) #define CURABASE 0x70084 #define CURAPOS 0x70088 @@ -1419,6 +1437,7 @@ #define CURSOR_POS_SIGN 0x8000 #define CURSOR_X_SHIFT 0 #define CURSOR_Y_SHIFT 16 +#define CURSIZE 0x700a0 #define CURBCNTR 0x700c0 #define CURBBASE 0x700c4 #define CURBPOS 0x700c8 @@ -1446,6 +1465,7 @@ #define DISPPLANE_NO_LINE_DOUBLE 0 #define DISPPLANE_STEREO_POLARITY_FIRST 0 #define DISPPLANE_STEREO_POLARITY_SECOND (1<<18) +#define DISPPLANE_TILED (1<<10) #define DSPAADDR 0x70184 #define DSPASTRIDE 0x70188 #define DSPAPOS 0x7018C /* reserved */ diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index d669cc2b42c..ce8a21344a7 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -349,6 +349,18 @@ int i915_save_state(struct drm_device *dev) for (i = 0; i < 3; i++) dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2)); + /* Fences */ + if (IS_I965G(dev)) { + for (i = 0; i < 16; i++) + dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8)); + } else { + for (i = 0; i < 8; i++) + dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4)); + + if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) + for (i = 0; i < 8; i++) + dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4)); + } i915_save_vga(dev); return 0; @@ -371,6 +383,18 @@ int i915_restore_state(struct drm_device *dev) /* Display arbitration */ I915_WRITE(DSPARB, dev_priv->saveDSPARB); + /* Fences */ + if (IS_I965G(dev)) { + for (i = 0; i < 16; i++) + I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]); + } else { + for (i = 0; i < 8; i++) + I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]); + if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) + for (i = 0; i < 8; i++) + I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]); + } + /* Pipe & plane A info */ /* Prime the clock */ if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index fc28e2bbd54..9d78cff33b2 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -57,9 +57,43 @@ find_section(struct bdb_header *bdb, int section_id) return NULL; } -/* Try to find panel data */ static void -parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb) +fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode, + struct lvds_dvo_timing *dvo_timing) +{ + panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) | + dvo_timing->hactive_lo; + panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay + + ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo); + panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start + + dvo_timing->hsync_pulse_width; + panel_fixed_mode->htotal = panel_fixed_mode->hdisplay + + ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo); + + panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) | + dvo_timing->vactive_lo; + panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay + + dvo_timing->vsync_off; + panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start + + dvo_timing->vsync_pulse_width; + panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay + + ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo); + panel_fixed_mode->clock = dvo_timing->clock * 10; + panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED; + + /* Some VBTs have bogus h/vtotal values */ + if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal) + panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1; + if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal) + panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1; + + drm_mode_set_name(panel_fixed_mode); +} + +/* Try to find integrated panel data */ +static void +parse_lfp_panel_data(struct drm_i915_private *dev_priv, + struct bdb_header *bdb) { struct bdb_lvds_options *lvds_options; struct bdb_lvds_lfp_data *lvds_lfp_data; @@ -91,38 +125,45 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb) panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode), DRM_MEM_DRIVER); - panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) | - dvo_timing->hactive_lo; - panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay + - ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo); - panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start + - dvo_timing->hsync_pulse_width; - panel_fixed_mode->htotal = panel_fixed_mode->hdisplay + - ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo); + fill_detail_timing_data(panel_fixed_mode, dvo_timing); - panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) | - dvo_timing->vactive_lo; - panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay + - dvo_timing->vsync_off; - panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start + - dvo_timing->vsync_pulse_width; - panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay + - ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo); - panel_fixed_mode->clock = dvo_timing->clock * 10; - panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED; + dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode; - /* Some VBTs have bogus h/vtotal values */ - if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal) - panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1; - if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal) - panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1; + DRM_DEBUG("Found panel mode in BIOS VBT tables:\n"); + drm_mode_debug_printmodeline(panel_fixed_mode); - drm_mode_set_name(panel_fixed_mode); + return; +} + +/* Try to find sdvo panel data */ +static void +parse_sdvo_panel_data(struct drm_i915_private *dev_priv, + struct bdb_header *bdb) +{ + struct bdb_sdvo_lvds_options *sdvo_lvds_options; + struct lvds_dvo_timing *dvo_timing; + struct drm_display_mode *panel_fixed_mode; - dev_priv->vbt_mode = panel_fixed_mode; + dev_priv->sdvo_lvds_vbt_mode = NULL; - DRM_DEBUG("Found panel mode in BIOS VBT tables:\n"); - drm_mode_debug_printmodeline(panel_fixed_mode); + sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS); + if (!sdvo_lvds_options) + return; + + dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS); + if (!dvo_timing) + return; + + panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode), + DRM_MEM_DRIVER); + + if (!panel_fixed_mode) + return; + + fill_detail_timing_data(panel_fixed_mode, + dvo_timing + sdvo_lvds_options->panel_type); + + dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode; return; } @@ -199,7 +240,8 @@ intel_init_bios(struct drm_device *dev) /* Grab useful general definitions */ parse_general_features(dev_priv, bdb); - parse_panel_data(dev_priv, bdb); + parse_lfp_panel_data(dev_priv, bdb); + parse_sdvo_panel_data(dev_priv, bdb); pci_unmap_rom(pdev, bios); diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index de621aad85b..8ca2cde1580 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -279,6 +279,23 @@ struct vch_bdb_22 { struct vch_panel_data panels[16]; } __attribute__((packed)); +struct bdb_sdvo_lvds_options { + u8 panel_backlight; + u8 h40_set_panel_type; + u8 panel_type; + u8 ssc_clk_freq; + u16 als_low_trip; + u16 als_high_trip; + u8 sclalarcoeff_tab_row_num; + u8 sclalarcoeff_tab_row_size; + u8 coefficient[8]; + u8 panel_misc_bits_1; + u8 panel_misc_bits_2; + u8 panel_misc_bits_3; + u8 panel_misc_bits_4; +} __attribute__((packed)); + + bool intel_init_bios(struct drm_device *dev); /* diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 9bdd959260a..79acc4f4c1f 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -161,7 +161,7 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector) hotplug_en &= CRT_FORCE_HOTPLUG_MASK; hotplug_en |= CRT_HOTPLUG_FORCE_DETECT; - if (IS_GM45(dev)) + if (IS_G4X(dev)) hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; @@ -198,9 +198,142 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector) return intel_ddc_probe(intel_output); } +static enum drm_connector_status +intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output) +{ + struct drm_encoder *encoder = &intel_output->enc; + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + uint32_t pipe = intel_crtc->pipe; + uint32_t save_bclrpat; + uint32_t save_vtotal; + uint32_t vtotal, vactive; + uint32_t vsample; + uint32_t vblank, vblank_start, vblank_end; + uint32_t dsl; + uint32_t bclrpat_reg; + uint32_t vtotal_reg; + uint32_t vblank_reg; + uint32_t vsync_reg; + uint32_t pipeconf_reg; + uint32_t pipe_dsl_reg; + uint8_t st00; + enum drm_connector_status status; + + if (pipe == 0) { + bclrpat_reg = BCLRPAT_A; + vtotal_reg = VTOTAL_A; + vblank_reg = VBLANK_A; + vsync_reg = VSYNC_A; + pipeconf_reg = PIPEACONF; + pipe_dsl_reg = PIPEADSL; + } else { + bclrpat_reg = BCLRPAT_B; + vtotal_reg = VTOTAL_B; + vblank_reg = VBLANK_B; + vsync_reg = VSYNC_B; + pipeconf_reg = PIPEBCONF; + pipe_dsl_reg = PIPEBDSL; + } + + save_bclrpat = I915_READ(bclrpat_reg); + save_vtotal = I915_READ(vtotal_reg); + vblank = I915_READ(vblank_reg); + + vtotal = ((save_vtotal >> 16) & 0xfff) + 1; + vactive = (save_vtotal & 0x7ff) + 1; + + vblank_start = (vblank & 0xfff) + 1; + vblank_end = ((vblank >> 16) & 0xfff) + 1; + + /* Set the border color to purple. */ + I915_WRITE(bclrpat_reg, 0x500050); + + if (IS_I9XX(dev)) { + uint32_t pipeconf = I915_READ(pipeconf_reg); + I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER); + /* Wait for next Vblank to substitue + * border color for Color info */ + intel_wait_for_vblank(dev); + st00 = I915_READ8(VGA_MSR_WRITE); + status = ((st00 & (1 << 4)) != 0) ? + connector_status_connected : + connector_status_disconnected; + + I915_WRITE(pipeconf_reg, pipeconf); + } else { + bool restore_vblank = false; + int count, detect; + + /* + * If there isn't any border, add some. + * Yes, this will flicker + */ + if (vblank_start <= vactive && vblank_end >= vtotal) { + uint32_t vsync = I915_READ(vsync_reg); + uint32_t vsync_start = (vsync & 0xffff) + 1; + + vblank_start = vsync_start; + I915_WRITE(vblank_reg, + (vblank_start - 1) | + ((vblank_end - 1) << 16)); + restore_vblank = true; + } + /* sample in the vertical border, selecting the larger one */ + if (vblank_start - vactive >= vtotal - vblank_end) + vsample = (vblank_start + vactive) >> 1; + else + vsample = (vtotal + vblank_end) >> 1; + + /* + * Wait for the border to be displayed + */ + while (I915_READ(pipe_dsl_reg) >= vactive) + ; + while ((dsl = I915_READ(pipe_dsl_reg)) <= vsample) + ; + /* + * Watch ST00 for an entire scanline + */ + detect = 0; + count = 0; + do { + count++; + /* Read the ST00 VGA status register */ + st00 = I915_READ8(VGA_MSR_WRITE); + if (st00 & (1 << 4)) + detect++; + } while ((I915_READ(pipe_dsl_reg) == dsl)); + + /* restore vblank if necessary */ + if (restore_vblank) + I915_WRITE(vblank_reg, vblank); + /* + * If more than 3/4 of the scanline detected a monitor, + * then it is assumed to be present. This works even on i830, + * where there isn't any way to force the border color across + * the screen + */ + status = detect * 4 > count * 3 ? + connector_status_connected : + connector_status_disconnected; + } + + /* Restore previous settings */ + I915_WRITE(bclrpat_reg, save_bclrpat); + + return status; +} + static enum drm_connector_status intel_crt_detect(struct drm_connector *connector) { struct drm_device *dev = connector->dev; + struct intel_output *intel_output = to_intel_output(connector); + struct drm_encoder *encoder = &intel_output->enc; + struct drm_crtc *crtc; + int dpms_mode; + enum drm_connector_status status; if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) { if (intel_crt_detect_hotplug(connector)) @@ -212,8 +345,20 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto if (intel_crt_detect_ddc(connector)) return connector_status_connected; - /* TODO use load detect */ - return connector_status_unknown; + /* for pre-945g platforms use load detect */ + if (encoder->crtc && encoder->crtc->enabled) { + status = intel_crt_load_detect(encoder->crtc, intel_output); + } else { + crtc = intel_get_load_detect_pipe(intel_output, + NULL, &dpms_mode); + if (crtc) { + status = intel_crt_load_detect(crtc, intel_output); + intel_release_load_detect_pipe(intel_output, dpms_mode); + } else + status = connector_status_unknown; + } + + return status; } static void intel_crt_destroy(struct drm_connector *connector) @@ -236,11 +381,6 @@ static int intel_crt_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t value) { - struct drm_device *dev = connector->dev; - - if (property == dev->mode_config.dpms_property && connector->encoder) - intel_crt_dpms(connector->encoder, (uint32_t)(value & 0xf)); - return 0; } @@ -257,6 +397,7 @@ static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = { }; static const struct drm_connector_funcs intel_crt_connector_funcs = { + .dpms = drm_helper_connector_dpms, .detect = intel_crt_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = intel_crt_destroy, diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c2c8e95ff14..c9d6f10ba92 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -657,6 +657,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, int dspbase = (pipe == 0 ? DSPAADDR : DSPBADDR); int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; + int dsptileoff = (pipe == 0 ? DSPATILEOFF : DSPBTILEOFF); int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; u32 dspcntr, alignment; int ret; @@ -733,6 +734,13 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, mutex_unlock(&dev->struct_mutex); return -EINVAL; } + if (IS_I965G(dev)) { + if (obj_priv->tiling_mode != I915_TILING_NONE) + dspcntr |= DISPPLANE_TILED; + else + dspcntr &= ~DISPPLANE_TILED; + } + I915_WRITE(dspcntr_reg, dspcntr); Start = obj_priv->gtt_offset; @@ -745,6 +753,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, I915_READ(dspbase); I915_WRITE(dspsurf, Start); I915_READ(dspsurf); + I915_WRITE(dsptileoff, (y << 16) | x); } else { I915_WRITE(dspbase, Start + Offset); I915_READ(dspbase); @@ -1348,7 +1357,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, int pipe = intel_crtc->pipe; uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR; uint32_t base = (pipe == 0) ? CURABASE : CURBBASE; - uint32_t temp; + uint32_t temp = I915_READ(control); size_t addr; int ret; @@ -1357,7 +1366,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, /* if we want to turn off the cursor ignore width and height */ if (!handle) { DRM_DEBUG("cursor off\n"); - temp = CURSOR_MODE_DISABLE; + if (IS_MOBILE(dev) || IS_I9XX(dev)) { + temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); + temp |= CURSOR_MODE_DISABLE; + } else { + temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE); + } addr = 0; bo = NULL; mutex_lock(&dev->struct_mutex); @@ -1400,10 +1414,19 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, addr = obj_priv->phys_obj->handle->busaddr; } - temp = 0; - /* set the pipe for the cursor */ - temp |= (pipe << 28); - temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; + if (!IS_I9XX(dev)) + I915_WRITE(CURSIZE, (height << 12) | width); + + /* Hooray for CUR*CNTR differences */ + if (IS_MOBILE(dev) || IS_I9XX(dev)) { + temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT); + temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; + temp |= (pipe << 28); /* Connect to correct pipe */ + } else { + temp &= ~(CURSOR_FORMAT_MASK); + temp |= CURSOR_ENABLE; + temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE; + } finish: I915_WRITE(control, temp); @@ -1795,6 +1818,37 @@ static void intel_crtc_init(struct drm_device *dev, int pipe) } } +int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; + struct drm_crtc *crtc = NULL; + int pipe = -1; + + if (!dev_priv) { + DRM_ERROR("called with no initialization\n"); + return -EINVAL; + } + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + if (crtc->base.id == pipe_from_crtc_id->crtc_id) { + pipe = intel_crtc->pipe; + break; + } + } + + if (pipe == -1) { + DRM_ERROR("no such CRTC id\n"); + return -EINVAL; + } + + pipe_from_crtc_id->pipe = pipe; + + return 0; +} + struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe) { struct drm_crtc *crtc = NULL; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 957daef8edf..cd4b9c5f715 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -109,7 +109,7 @@ struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg, void intel_i2c_destroy(struct intel_i2c_chan *chan); int intel_ddc_get_modes(struct intel_output *intel_output); extern bool intel_ddc_probe(struct intel_output *intel_output); - +void intel_i2c_quirk_set(struct drm_device *dev, bool enable); extern void intel_crt_init(struct drm_device *dev); extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg); extern bool intel_sdvo_init(struct drm_device *dev, int output_device); @@ -125,6 +125,8 @@ extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector); extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, struct drm_crtc *crtc); +int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, + struct drm_file *file_priv); extern void intel_wait_for_vblank(struct drm_device *dev); extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe); extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output, diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index 8b8d6e65cd3..1ee3007d6ec 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -316,6 +316,7 @@ static const struct drm_encoder_helper_funcs intel_dvo_helper_funcs = { }; static const struct drm_connector_funcs intel_dvo_connector_funcs = { + .dpms = drm_helper_connector_dpms, .save = intel_dvo_save, .restore = intel_dvo_restore, .detect = intel_dvo_detect, diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 3e094beecb9..e4652dcdd9b 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -864,7 +864,7 @@ static void intelfb_sysrq(int dummy1, struct tty_struct *dummy3) static struct sysrq_key_op sysrq_intelfb_restore_op = { .handler = intelfb_sysrq, - .help_msg = "force-fb(G)", + .help_msg = "force-fb(V)", .action_msg = "Restore framebuffer console", }; @@ -898,7 +898,7 @@ int intelfb_probe(struct drm_device *dev) ret = intelfb_single_fb_probe(dev); } - register_sysrq_key('g', &sysrq_intelfb_restore_op); + register_sysrq_key('v', &sysrq_intelfb_restore_op); return ret; } diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 55037422538..7d6bdd70532 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -155,11 +155,18 @@ intel_hdmi_detect(struct drm_connector *connector) temp = I915_READ(PORT_HOTPLUG_EN); - I915_WRITE(PORT_HOTPLUG_EN, - temp | - HDMIB_HOTPLUG_INT_EN | - HDMIC_HOTPLUG_INT_EN | - HDMID_HOTPLUG_INT_EN); + switch (hdmi_priv->sdvox_reg) { + case SDVOB: + temp |= HDMIB_HOTPLUG_INT_EN; + break; + case SDVOC: + temp |= HDMIC_HOTPLUG_INT_EN; + break; + default: + return connector_status_unknown; + } + + I915_WRITE(PORT_HOTPLUG_EN, temp); POSTING_READ(PORT_HOTPLUG_EN); @@ -212,6 +219,7 @@ static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = { }; static const struct drm_connector_funcs intel_hdmi_connector_funcs = { + .dpms = drm_helper_connector_dpms, .save = intel_hdmi_save, .restore = intel_hdmi_restore, .detect = intel_hdmi_detect, diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 5ee9d4c2575..f7061f68d05 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -34,6 +34,21 @@ #include "i915_drm.h" #include "i915_drv.h" +void intel_i2c_quirk_set(struct drm_device *dev, bool enable) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + /* When using bit bashing for I2C, this bit needs to be set to 1 */ + if (!IS_IGD(dev)) + return; + if (enable) + I915_WRITE(CG_2D_DIS, + I915_READ(CG_2D_DIS) | DPCUNIT_CLOCK_GATE_DISABLE); + else + I915_WRITE(CG_2D_DIS, + I915_READ(CG_2D_DIS) & (~DPCUNIT_CLOCK_GATE_DISABLE)); +} + /* * Intel GPIO access functions */ @@ -153,8 +168,10 @@ struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg, goto out_free; /* JJJ: raise SCL and SDA? */ + intel_i2c_quirk_set(dev, true); set_data(chan, 1); set_clock(chan, 1); + intel_i2c_quirk_set(dev, false); udelay(20); return chan; diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 6619f26e46a..53cccfa58b9 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -343,11 +343,6 @@ static int intel_lvds_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t value) { - struct drm_device *dev = connector->dev; - - if (property == dev->mode_config.dpms_property && connector->encoder) - intel_lvds_dpms(connector->encoder, (uint32_t)(value & 0xf)); - return 0; } @@ -366,6 +361,7 @@ static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs }; static const struct drm_connector_funcs intel_lvds_connector_funcs = { + .dpms = drm_helper_connector_dpms, .save = intel_lvds_save, .restore = intel_lvds_restore, .detect = intel_lvds_detect, @@ -384,7 +380,51 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = { .destroy = intel_lvds_enc_destroy, }; +static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id) +{ + DRM_DEBUG("Skipping LVDS initialization for %s\n", id->ident); + return 1; +} + +/* These systems claim to have LVDS, but really don't */ +static const struct dmi_system_id intel_no_lvds[] = { + { + .callback = intel_no_lvds_dmi_callback, + .ident = "Apple Mac Mini (Core series)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"), + }, + }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "Apple Mac Mini (Core 2 series)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Macmini2,1"), + }, + }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "MSI IM-945GSE-A", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MSI"), + DMI_MATCH(DMI_PRODUCT_NAME, "A9830IMS"), + }, + }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "Dell Studio Hybrid", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"), + }, + }, + /* FIXME: add a check for the Aopen Mini PC */ + + { } /* terminating entry */ +}; /** * intel_lvds_init - setup LVDS connectors on this device @@ -404,15 +444,9 @@ void intel_lvds_init(struct drm_device *dev) u32 lvds; int pipe; - /* Blacklist machines that we know falsely report LVDS. */ - /* FIXME: add a check for the Aopen Mini PC */ - - /* Apple Mac Mini Core Duo and Mac Mini Core 2 Duo */ - if(dmi_match(DMI_PRODUCT_NAME, "Macmini1,1") || - dmi_match(DMI_PRODUCT_NAME, "Macmini2,1")) { - DRM_DEBUG("Skipping LVDS initialization for Apple Mac Mini\n"); + /* Skip init on machines we know falsely report LVDS */ + if (dmi_check_system(intel_no_lvds)) return; - } intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL); if (!intel_output) { @@ -473,10 +507,10 @@ void intel_lvds_init(struct drm_device *dev) } /* Failed to get EDID, what about VBT? */ - if (dev_priv->vbt_mode) { + if (dev_priv->lfp_lvds_vbt_mode) { mutex_lock(&dev->mode_config.mutex); dev_priv->panel_fixed_mode = - drm_mode_duplicate(dev, dev_priv->vbt_mode); + drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); mutex_unlock(&dev->mode_config.mutex); if (dev_priv->panel_fixed_mode) { dev_priv->panel_fixed_mode->type |= diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c index 07d7ec97616..e0910fefce8 100644 --- a/drivers/gpu/drm/i915/intel_modes.c +++ b/drivers/gpu/drm/i915/intel_modes.c @@ -27,6 +27,7 @@ #include <linux/fb.h> #include "drmP.h" #include "intel_drv.h" +#include "i915_drv.h" /** * intel_ddc_probe @@ -52,7 +53,10 @@ bool intel_ddc_probe(struct intel_output *intel_output) } }; + intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, true); ret = i2c_transfer(&intel_output->ddc_bus->adapter, msgs, 2); + intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, false); + if (ret == 2) return true; @@ -70,8 +74,10 @@ int intel_ddc_get_modes(struct intel_output *intel_output) struct edid *edid; int ret = 0; + intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, true); edid = drm_get_edid(&intel_output->base, &intel_output->ddc_bus->adapter); + intel_i2c_quirk_set(intel_output->ddc_bus->drm_dev, false); if (edid) { drm_mode_connector_update_edid_property(&intel_output->base, edid); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 9913651c1e1..3093b4d4a4d 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -69,6 +69,10 @@ struct intel_sdvo_priv { * This is set if we treat the device as HDMI, instead of DVI. */ bool is_hdmi; + /** + * This is set if we detect output of sdvo device as LVDS. + */ + bool is_lvds; /** * Returned SDTV resolutions allowed for the current format, if the @@ -1398,10 +1402,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect static void intel_sdvo_get_ddc_modes(struct drm_connector *connector) { struct intel_output *intel_output = to_intel_output(connector); - struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; /* set the bus switch and get the modes */ - intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus); intel_ddc_get_modes(intel_output); #if 0 @@ -1543,6 +1545,37 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector) } } +static void intel_sdvo_get_lvds_modes(struct drm_connector *connector) +{ + struct intel_output *intel_output = to_intel_output(connector); + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + struct drm_i915_private *dev_priv = connector->dev->dev_private; + + /* + * Attempt to get the mode list from DDC. + * Assume that the preferred modes are + * arranged in priority order. + */ + /* set the bus switch and get the modes */ + intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus); + intel_ddc_get_modes(intel_output); + if (list_empty(&connector->probed_modes) == false) + return; + + /* Fetch modes from VBT */ + if (dev_priv->sdvo_lvds_vbt_mode != NULL) { + struct drm_display_mode *newmode; + newmode = drm_mode_duplicate(connector->dev, + dev_priv->sdvo_lvds_vbt_mode); + if (newmode != NULL) { + /* Guarantee the mode is preferred */ + newmode->type = (DRM_MODE_TYPE_PREFERRED | + DRM_MODE_TYPE_DRIVER); + drm_mode_probed_add(connector, newmode); + } + } +} + static int intel_sdvo_get_modes(struct drm_connector *connector) { struct intel_output *output = to_intel_output(connector); @@ -1550,6 +1583,8 @@ static int intel_sdvo_get_modes(struct drm_connector *connector) if (sdvo_priv->is_tv) intel_sdvo_get_tv_modes(connector); + else if (sdvo_priv->is_lvds == true) + intel_sdvo_get_lvds_modes(connector); else intel_sdvo_get_ddc_modes(connector); @@ -1564,6 +1599,9 @@ static void intel_sdvo_destroy(struct drm_connector *connector) if (intel_output->i2c_bus) intel_i2c_destroy(intel_output->i2c_bus); + if (intel_output->ddc_bus) + intel_i2c_destroy(intel_output->ddc_bus); + drm_sysfs_connector_remove(connector); drm_connector_cleanup(connector); kfree(intel_output); @@ -1578,6 +1616,7 @@ static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = { }; static const struct drm_connector_funcs intel_sdvo_connector_funcs = { + .dpms = drm_helper_connector_dpms, .save = intel_sdvo_save, .restore = intel_sdvo_restore, .detect = intel_sdvo_detect, @@ -1660,12 +1699,56 @@ intel_sdvo_get_digital_encoding_mode(struct intel_output *output) return true; } +static struct intel_output * +intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan) +{ + struct drm_device *dev = chan->drm_dev; + struct drm_connector *connector; + struct intel_output *intel_output = NULL; + + list_for_each_entry(connector, + &dev->mode_config.connector_list, head) { + if (to_intel_output(connector)->ddc_bus == chan) { + intel_output = to_intel_output(connector); + break; + } + } + return intel_output; +} + +static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap, + struct i2c_msg msgs[], int num) +{ + struct intel_output *intel_output; + struct intel_sdvo_priv *sdvo_priv; + struct i2c_algo_bit_data *algo_data; + struct i2c_algorithm *algo; + + algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data; + intel_output = + intel_sdvo_chan_to_intel_output( + (struct intel_i2c_chan *)(algo_data->data)); + if (intel_output == NULL) + return -EINVAL; + + sdvo_priv = intel_output->dev_priv; + algo = (struct i2c_algorithm *)intel_output->i2c_bus->adapter.algo; + + intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus); + return algo->master_xfer(i2c_adap, msgs, num); +} + +static struct i2c_algorithm intel_sdvo_i2c_bit_algo = { + .master_xfer = intel_sdvo_master_xfer, +}; + bool intel_sdvo_init(struct drm_device *dev, int output_device) { struct drm_connector *connector; struct intel_output *intel_output; struct intel_sdvo_priv *sdvo_priv; struct intel_i2c_chan *i2cbus = NULL; + struct intel_i2c_chan *ddcbus = NULL; int connector_type; u8 ch[0x40]; int i; @@ -1676,17 +1759,9 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) return false; } - connector = &intel_output->base; - - drm_connector_init(dev, connector, &intel_sdvo_connector_funcs, - DRM_MODE_CONNECTOR_Unknown); - drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs); sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1); intel_output->type = INTEL_OUTPUT_SDVO; - connector->interlace_allowed = 0; - connector->doublescan_allowed = 0; - /* setup the DDC bus. */ if (output_device == SDVOB) i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB"); @@ -1694,7 +1769,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC"); if (!i2cbus) - goto err_connector; + goto err_inteloutput; sdvo_priv->i2c_bus = i2cbus; @@ -1710,7 +1785,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) intel_output->i2c_bus = i2cbus; intel_output->dev_priv = sdvo_priv; - /* Read the regs to test if we can talk to the device */ for (i = 0; i < 0x40; i++) { if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) { @@ -1720,6 +1794,22 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) } } + /* setup the DDC bus. */ + if (output_device == SDVOB) + ddcbus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS"); + else + ddcbus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS"); + + if (ddcbus == NULL) + goto err_i2c; + + intel_sdvo_i2c_bit_algo.functionality = + intel_output->i2c_bus->adapter.algo->functionality; + ddcbus->adapter.algo = &intel_sdvo_i2c_bit_algo; + intel_output->ddc_bus = ddcbus; + + /* In defaut case sdvo lvds is false */ + sdvo_priv->is_lvds = false; intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps); if (sdvo_priv->caps.output_flags & @@ -1729,7 +1819,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) else sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1; - connector->display_info.subpixel_order = SubPixelHorizontalRGB; encoder_type = DRM_MODE_ENCODER_TMDS; connector_type = DRM_MODE_CONNECTOR_DVID; @@ -1747,7 +1836,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0) { sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0; - connector->display_info.subpixel_order = SubPixelHorizontalRGB; encoder_type = DRM_MODE_ENCODER_TVDAC; connector_type = DRM_MODE_CONNECTOR_SVIDEO; sdvo_priv->is_tv = true; @@ -1756,30 +1844,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0) { sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0; - connector->display_info.subpixel_order = SubPixelHorizontalRGB; encoder_type = DRM_MODE_ENCODER_DAC; connector_type = DRM_MODE_CONNECTOR_VGA; } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1) { sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1; - connector->display_info.subpixel_order = SubPixelHorizontalRGB; encoder_type = DRM_MODE_ENCODER_DAC; connector_type = DRM_MODE_CONNECTOR_VGA; } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0) { sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0; - connector->display_info.subpixel_order = SubPixelHorizontalRGB; encoder_type = DRM_MODE_ENCODER_LVDS; connector_type = DRM_MODE_CONNECTOR_LVDS; + sdvo_priv->is_lvds = true; } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1) { sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1; - connector->display_info.subpixel_order = SubPixelHorizontalRGB; encoder_type = DRM_MODE_ENCODER_LVDS; connector_type = DRM_MODE_CONNECTOR_LVDS; + sdvo_priv->is_lvds = true; } else { @@ -1795,9 +1881,16 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) goto err_i2c; } + connector = &intel_output->base; + drm_connector_init(dev, connector, &intel_sdvo_connector_funcs, + connector_type); + drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs); + connector->interlace_allowed = 0; + connector->doublescan_allowed = 0; + connector->display_info.subpixel_order = SubPixelHorizontalRGB; + drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type); drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs); - connector->connector_type = connector_type; drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc); drm_sysfs_connector_add(connector); @@ -1829,14 +1922,13 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) sdvo_priv->caps.output_flags & (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); - intel_output->ddc_bus = i2cbus; - return true; err_i2c: + if (ddcbus != NULL) + intel_i2c_destroy(intel_output->ddc_bus); intel_i2c_destroy(intel_output->i2c_bus); -err_connector: - drm_connector_cleanup(connector); +err_inteloutput: kfree(intel_output); return false; diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index d2c32983242..98ac0546b7b 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1626,6 +1626,7 @@ static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = { }; static const struct drm_connector_funcs intel_tv_connector_funcs = { + .dpms = drm_helper_connector_dpms, .save = intel_tv_save, .restore = intel_tv_restore, .detect = intel_tv_detect, diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c index 32de4cedc36..077c0455a6b 100644 --- a/drivers/gpu/drm/r128/r128_cce.c +++ b/drivers/gpu/drm/r128/r128_cce.c @@ -511,9 +511,9 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init) #if __OS_HAS_AGP if (!dev_priv->is_pci) { - drm_core_ioremap(dev_priv->cce_ring, dev); - drm_core_ioremap(dev_priv->ring_rptr, dev); - drm_core_ioremap(dev->agp_buffer_map, dev); + drm_core_ioremap_wc(dev_priv->cce_ring, dev); + drm_core_ioremap_wc(dev_priv->ring_rptr, dev); + drm_core_ioremap_wc(dev->agp_buffer_map, dev); if (!dev_priv->cce_ring->handle || !dev_priv->ring_rptr->handle || !dev->agp_buffer_map->handle) { diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index 77a7a4d8465..aff90bb9648 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -2185,9 +2185,9 @@ void radeon_commit_ring(drm_radeon_private_t *dev_priv) /* check if the ring is padded out to 16-dword alignment */ - tail_aligned = dev_priv->ring.tail & 0xf; + tail_aligned = dev_priv->ring.tail & (RADEON_RING_ALIGN-1); if (tail_aligned) { - int num_p2 = 16 - tail_aligned; + int num_p2 = RADEON_RING_ALIGN - tail_aligned; ring = dev_priv->ring.start; /* pad with some CP_PACKET2 */ diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h index ed4d27e6ee6..0c6bfc1de15 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.h +++ b/drivers/gpu/drm/radeon/radeon_drv.h @@ -99,9 +99,10 @@ * 1.27- Add support for IGP GART * 1.28- Add support for VBL on CRTC2 * 1.29- R500 3D cmd buffer support + * 1.30- Add support for occlusion queries */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 29 +#define DRIVER_MINOR 30 #define DRIVER_PATCHLEVEL 0 /* @@ -1963,11 +1964,14 @@ do { \ #define RING_LOCALS int write, _nr, _align_nr; unsigned int mask; u32 *ring; +#define RADEON_RING_ALIGN 16 + #define BEGIN_RING( n ) do { \ if ( RADEON_VERBOSE ) { \ DRM_INFO( "BEGIN_RING( %d )\n", (n)); \ } \ - _align_nr = (n + 0xf) & ~0xf; \ + _align_nr = RADEON_RING_ALIGN - ((dev_priv->ring.tail + n) & (RADEON_RING_ALIGN-1)); \ + _align_nr += n; \ if (dev_priv->ring.space <= (_align_nr * sizeof(u32))) { \ COMMIT_RING(); \ radeon_wait_ring( dev_priv, _align_nr * sizeof(u32)); \ diff --git a/drivers/gpu/drm/via/via_dma.c b/drivers/gpu/drm/via/via_dma.c index 7a339dba6a6..bfb92d28326 100644 --- a/drivers/gpu/drm/via/via_dma.c +++ b/drivers/gpu/drm/via/via_dma.c @@ -481,11 +481,13 @@ static int via_wait_idle(drm_via_private_t * dev_priv) { int count = 10000000; - while (!(VIA_READ(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) && count--); + while (!(VIA_READ(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) && --count) + ; - while (count-- && (VIA_READ(VIA_REG_STATUS) & + while (count && (VIA_READ(VIA_REG_STATUS) & (VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | - VIA_3D_ENG_BUSY))) ; + VIA_3D_ENG_BUSY))) + --count; return count; } @@ -705,7 +707,7 @@ static int via_cmdbuf_size(struct drm_device *dev, void *data, struct drm_file * switch (d_siz->func) { case VIA_CMDBUF_SPACE: while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz->size) - && count--) { + && --count) { if (!d_siz->wait) { break; } @@ -717,7 +719,7 @@ static int via_cmdbuf_size(struct drm_device *dev, void *data, struct drm_file * break; case VIA_CMDBUF_LAG: while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz->size) - && count--) { + && --count) { if (!d_siz->wait) { break; } diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 7359d9d88e4..acbce5745b0 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -151,7 +151,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, if (fnmode) { int do_translate; - trans = apple_find_translation((hid->product < 0x220 || + trans = apple_find_translation((hid->product < 0x21d || hid->product >= 0x300) ? powerbook_fn_keys : apple_fn_keys, usage->code); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 5746a5903bc..8551693d645 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1293,6 +1293,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, @@ -1824,6 +1825,9 @@ int hid_check_keys_pressed(struct hid_device *hid) struct hid_input *hidinput; int i; + if (!(hid->claimed & HID_CLAIMED_INPUT)) + return 0; + list_for_each_entry(hidinput, &hid->inputs, list) { for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) if (hidinput->input->key[i]) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index bdeda4c7cc1..4d5ee2bbc62 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -113,6 +113,11 @@ #define USB_VENDOR_ID_BERKSHIRE 0x0c98 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 +#define USB_VENDOR_ID_CH 0x068e +#define USB_DEVICE_ID_CH_PRO_PEDALS 0x00f2 +#define USB_DEVICE_ID_CH_COMBATSTICK 0x00f4 +#define USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE 0x00ff + #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 @@ -292,6 +297,7 @@ #define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286 #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 +#define USB_DEVICE_ID_LOGITECH_G25_WHEEL 0xc299 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a #define USB_DEVICE_ID_S510_RECEIVER 0xc50c #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 7b80cb69498..7afbaa0efd1 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -297,6 +297,8 @@ static const struct hid_device_id lg_devices[] = { .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2), .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL), + .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), .driver_data = LG_FF2 }, { } diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index e263d473117..00ccf4b1985 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -285,8 +285,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) { int len; - if (!hid->name) - return 0; + if (!hid->name) { + ret = 0; + break; + } len = strlen(hid->name) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); @@ -297,8 +299,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) { int len; - if (!hid->phys) - return 0; + if (!hid->phys) { + ret = 0; + break; + } len = strlen(hid->phys) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 4306cb1b8ce..ac8049b5f1e 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -662,8 +662,8 @@ void usbhid_close(struct hid_device *hid) spin_lock_irq(&usbhid->lock); if (!--hid->open) { spin_unlock_irq(&usbhid->lock); + hid_cancel_delayed_stuff(usbhid); usb_kill_urb(usbhid->urbin); - flush_scheduled_work(); usbhid->intf->needs_remote_wakeup = 0; } else { spin_unlock_irq(&usbhid->lock); @@ -898,7 +898,7 @@ static int usbhid_parse(struct hid_device *hid) goto err; } - hid->quirks = quirks; + hid->quirks |= quirks; return 0; err: diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 4391717d251..d8f7423f363 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -50,6 +50,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index 0897edef257..bff0103610c 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -348,6 +348,7 @@ static int validate_hwmon_pack(struct atk_data *data, union acpi_object *obj) return 0; } +#ifdef DEBUG static char const *atk_sensor_type(union acpi_object *flags) { u64 type = flags->integer.value & ATK_TYPE_MASK; @@ -370,6 +371,7 @@ static char const *atk_sensor_type(union acpi_object *flags) return what; } +#endif static void atk_print_sensor(struct atk_data *data, union acpi_object *obj) { diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index b5e3b285169..a1787fdf5b9 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -182,7 +182,7 @@ static struct platform_driver lm78_isa_driver = { .name = "lm78", }, .probe = lm78_isa_probe, - .remove = lm78_isa_remove, + .remove = __devexit_p(lm78_isa_remove), }; diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index dbfb30c588d..0bdab959b73 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -1462,7 +1462,8 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) data->pwm[i] = w83781d_read_value(data, W83781D_REG_PWM[i]); - if ((data->type != w83782d || !client->driver) + /* Only W83782D on SMBus has PWM3 and PWM4 */ + if ((data->type != w83782d || !client) && i == 1) break; } diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index d420cc5f563..e25e13980af 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -104,7 +104,7 @@ static int sclhi(struct i2c_algo_bit_data *adap) * chips may hold it low ("clock stretching") while they * are processing data internally. */ - if (time_after_eq(jiffies, start + adap->timeout)) + if (time_after(jiffies, start + adap->timeout)) return -ETIMEDOUT; cond_resched(); } diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 6318f7ddc1d..78d42aae008 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -287,10 +287,21 @@ static int pca_xfer(struct i2c_adapter *i2c_adap, case 0x30: /* Data byte in I2CDAT has been transmitted; NOT ACK has been received */ DEB2("NOT ACK received after data byte\n"); + pca_stop(adap); goto out; case 0x38: /* Arbitration lost during SLA+W, SLA+R or data bytes */ DEB2("Arbitration lost\n"); + /* + * The PCA9564 data sheet (2006-09-01) says "A + * START condition will be transmitted when the + * bus becomes free (STOP or SCL and SDA high)" + * when the STA bit is set (p. 11). + * + * In case this won't work, try pca_reset() + * instead. + */ + pca_start(adap); goto out; case 0x58: /* Data byte has been received; NOT ACK has been returned */ diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index a48c8aee021..f1c6ca7e285 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -467,7 +467,7 @@ config I2C_PXA_SLAVE config I2C_S3C2410 tristate "S3C2410 I2C Driver" - depends on ARCH_S3C2410 + depends on ARCH_S3C2410 || ARCH_S3C64XX help Say Y here to include support for I2C controller in the Samsung S3C2410 based System-on-Chip devices. diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c index 981e080b32a..d108450df06 100644 --- a/drivers/i2c/busses/i2c-ali1535.c +++ b/drivers/i2c/busses/i2c-ali1535.c @@ -284,7 +284,7 @@ static int ali1535_transaction(struct i2c_adapter *adap) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { result = -ETIMEDOUT; dev_err(&adap->dev, "SMBus Timeout!\n"); } diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c index 39066dee46e..d627fceb790 100644 --- a/drivers/i2c/busses/i2c-ali15x3.c +++ b/drivers/i2c/busses/i2c-ali15x3.c @@ -306,7 +306,7 @@ static int ali15x3_transaction(struct i2c_adapter *adap) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { result = -ETIMEDOUT; dev_err(&adap->dev, "SMBus Timeout!\n"); } diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index 220f4a1eee1..f7d6fe9c49b 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -126,7 +126,7 @@ static int amd756_transaction(struct i2c_adapter *adap) } while ((temp & (GS_HST_STS | GS_SMB_STS)) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "Busy wait timeout (%04x)\n", temp); goto abort; } @@ -143,7 +143,7 @@ static int amd756_transaction(struct i2c_adapter *adap) } while ((temp & GS_HST_STS) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "Completion timeout!\n"); goto abort; } diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 3fcf78e906d..b5db8b88361 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -531,16 +531,16 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm) rbdf = cpm->rbase; for (i = 0; i < CPM_MAXBD; i++) { - cpm->rxbuf[i] = dma_alloc_coherent( - NULL, CPM_MAX_READ + 1, &cpm->rxdma[i], GFP_KERNEL); + cpm->rxbuf[i] = dma_alloc_coherent(&cpm->ofdev->dev, + CPM_MAX_READ + 1, + &cpm->rxdma[i], GFP_KERNEL); if (!cpm->rxbuf[i]) { ret = -ENOMEM; goto out_muram; } out_be32(&rbdf[i].cbd_bufaddr, ((cpm->rxdma[i] + 1) & ~1)); - cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent( - NULL, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL); + cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL); if (!cpm->txbuf[i]) { ret = -ENOMEM; goto out_muram; @@ -585,10 +585,10 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm) out_muram: for (i = 0; i < CPM_MAXBD; i++) { if (cpm->rxbuf[i]) - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->rxbuf[i], cpm->rxdma[i]); if (cpm->txbuf[i]) - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->txbuf[i], cpm->txdma[i]); } cpm_muram_free(cpm->dp_addr); @@ -619,9 +619,9 @@ static void cpm_i2c_shutdown(struct cpm_i2c *cpm) /* Free all memory */ for (i = 0; i < CPM_MAXBD; i++) { - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->rxbuf[i], cpm->rxdma[i]); - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->txbuf[i], cpm->txdma[i]); } diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 10411848fd7..9d2c5adf5d4 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -237,7 +237,7 @@ static int i801_transaction(int xact) status = inb_p(SMBHSTSTS); } while ((status & SMBHSTSTS_HOST_BUSY) && (timeout++ < MAX_TIMEOUT)); - result = i801_check_post(status, timeout >= MAX_TIMEOUT); + result = i801_check_post(status, timeout > MAX_TIMEOUT); if (result < 0) return result; @@ -257,9 +257,9 @@ static void i801_wait_hwpec(void) } while ((!(status & SMBHSTSTS_INTR)) && (timeout++ < MAX_TIMEOUT)); - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) dev_dbg(&I801_dev->dev, "PEC Timeout!\n"); - } + outb_p(status, SMBHSTSTS); } @@ -344,7 +344,7 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data, while ((!(status & SMBHSTSTS_BYTE_DONE)) && (timeout++ < MAX_TIMEOUT)); - result = i801_check_post(status, timeout >= MAX_TIMEOUT); + result = i801_check_post(status, timeout > MAX_TIMEOUT); if (result < 0) return result; diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index b9c01aa9003..9f6b8e0f863 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -112,7 +112,7 @@ static int sch_transaction(void) } while ((temp & 0x08) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_err(&sch_adapter.dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; } diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 4af5c09f0e8..dd778d7ae04 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -164,7 +164,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) return 0; } -#ifdef CONFIG_PPC_52xx +#ifdef CONFIG_PPC_MPC52xx static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { {20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23}, {28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02}, @@ -188,7 +188,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) { - const struct mpc52xx_i2c_divider *div = NULL; + const struct mpc_i2c_divider *div = NULL; unsigned int pvr = mfspr(SPRN_PVR); u32 divider; int i; @@ -203,7 +203,7 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) * We want to choose an FDR/DFSR that generates an I2C bus speed that * is equal to or lower than the requested speed. */ - for (i = 0; i < ARRAY_SIZE(mpc52xx_i2c_dividers); i++) { + for (i = 0; i < ARRAY_SIZE(mpc_i2c_dividers_52xx); i++) { div = &mpc_i2c_dividers_52xx[i]; /* Old MPC5200 rev A CPUs do not support the high bits */ if (div->fdr & 0xc0 && pvr == 0x80822011) @@ -219,20 +219,23 @@ static void mpc_i2c_setclock_52xx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { - int fdr = mpc52xx_i2c_get_fdr(node, clock, prescaler); + int ret, fdr; + + ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler); + fdr = (ret >= 0) ? ret : 0x3f; /* backward compatibility */ - if (fdr < 0) - fdr = 0x3f; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); - dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); + + if (ret >= 0) + dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); } -#else /* !CONFIG_PPC_52xx */ +#else /* !CONFIG_PPC_MPC52xx */ static void mpc_i2c_setclock_52xx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { } -#endif /* CONFIG_PPC_52xx*/ +#endif /* CONFIG_PPC_MPC52xx*/ #ifdef CONFIG_FSL_SOC static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = { @@ -321,14 +324,17 @@ static void mpc_i2c_setclock_8xxx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { - int fdr = mpc_i2c_get_fdr_8xxx(node, clock, prescaler); + int ret, fdr; + + ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler); + fdr = (ret >= 0) ? ret : 0x1031; /* backward compatibility */ - if (fdr < 0) - fdr = 0x1031; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); writeb((fdr >> 8) & 0xff, i2c->base + MPC_I2C_DFSRR); - dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n", - clock, fdr >> 8, fdr & 0xff); + + if (ret >= 0) + dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n", + clock, fdr >> 8, fdr & 0xff); } #else /* !CONFIG_FSL_SOC */ diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c index 2ff4683703a..ec11d1c4e77 100644 --- a/drivers/i2c/busses/i2c-nforce2.c +++ b/drivers/i2c/busses/i2c-nforce2.c @@ -173,7 +173,7 @@ static int nforce2_check_status(struct i2c_adapter *adap) temp = inb_p(NVIDIA_SMB_STS); } while ((!temp) && (timeout++ < MAX_TIMEOUT)); - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "SMBus Timeout!\n"); if (smbus->can_abort) nforce2_abort(adap); diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index c1405c8f6ba..acc7143d965 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -265,10 +265,10 @@ static int i2c_pxa_wait_bus_not_busy(struct pxa_i2c *i2c) show_state(i2c); } - if (timeout <= 0) + if (timeout < 0) show_state(i2c); - return timeout <= 0 ? I2C_RETRY : 0; + return timeout < 0 ? I2C_RETRY : 0; } static int i2c_pxa_wait_master(struct pxa_i2c *i2c) @@ -612,7 +612,7 @@ static int i2c_pxa_pio_set_master(struct pxa_i2c *i2c) show_state(i2c); } - if (timeout <= 0) { + if (timeout < 0) { show_state(i2c); dev_err(&i2c->adap.dev, "i2c_pxa: timeout waiting for bus free\n"); diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c index f320ab27da4..139f0c7f12a 100644 --- a/drivers/i2c/busses/i2c-sis5595.c +++ b/drivers/i2c/busses/i2c-sis5595.c @@ -256,7 +256,7 @@ static int sis5595_transaction(struct i2c_adapter *adap) } while (!(temp & 0x40) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; } diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c index 50c3610e602..70ca41e90e5 100644 --- a/drivers/i2c/busses/i2c-sis630.c +++ b/drivers/i2c/busses/i2c-sis630.c @@ -173,7 +173,7 @@ static int sis630_transaction_wait(struct i2c_adapter *adap, int size) } while (!(temp & 0x0e) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&adap->dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; } diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c index 7e1594b4057..8295885b2fd 100644 --- a/drivers/i2c/busses/i2c-sis96x.c +++ b/drivers/i2c/busses/i2c-sis96x.c @@ -132,7 +132,7 @@ static int sis96x_transaction(int size) } while (!(temp & 0x0e) && (timeout++ < MAX_TIMEOUT)); /* If the SMBus is still busy, we give up */ - if (timeout >= MAX_TIMEOUT) { + if (timeout > MAX_TIMEOUT) { dev_dbg(&sis96x_adapter.dev, "SMBus Timeout! (0x%02x)\n", temp); result = -ETIMEDOUT; } diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c index bf740394d70..949c97ff57e 100644 --- a/drivers/idle/i7300_idle.c +++ b/drivers/idle/i7300_idle.c @@ -41,6 +41,10 @@ static int debug; module_param_named(debug, debug, uint, 0644); MODULE_PARM_DESC(debug, "Enable debug printks in this driver"); +static int forceload; +module_param_named(forceload, forceload, uint, 0644); +MODULE_PARM_DESC(debug, "Enable driver testing on unvalidated i5000"); + #define dprintk(fmt, arg...) \ do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0) @@ -552,7 +556,7 @@ static int __init i7300_idle_init(void) cpus_clear(idle_cpumask); total_us = 0; - if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev)) + if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload)) return -ENODEV; if (i7300_idle_thrt_save()) diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index 8d71086f5a1..62f9cf2f94e 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -410,6 +410,7 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count) ptr = wq->sq_rptr + count; sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); while (ptr != wq->sq_wptr) { + sqp->signaled = 0; insert_sq_cqe(wq, cq, sqp); ptr++; sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index fef3f1ae722..52d7bb0c2a1 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1830,6 +1830,10 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) ep->com.rpl_err = 0; ep->ird = conn_param->ird; ep->ord = conn_param->ord; + + if (peer2peer && ep->ird == 0) + ep->ird = 1; + PDBG("%s %d ird %d ord %d\n", __func__, __LINE__, ep->ird, ep->ord); get_ep(&ep->com); @@ -1915,6 +1919,10 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) conn_param->private_data, ep->plen); ep->ird = conn_param->ird; ep->ord = conn_param->ord; + + if (peer2peer && ep->ord == 0) + ep->ord = 1; + ep->com.tdev = h->rdev.t3cdev_p; cm_id->add_ref(cm_id); diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index 2f546a62533..27bbdc8e773 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -1069,7 +1069,6 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp, goto out; } qhp->attr.state = IWCH_QP_STATE_IDLE; - memset(&qhp->attr, 0, sizeof(qhp->attr)); break; case IWCH_QP_STATE_TERMINATE: if (!internal) { diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index 8dc2bb78160..b3684060465 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -347,7 +347,7 @@ static int ipathfs_fill_super(struct super_block *sb, void *data, spin_unlock_irqrestore(&ipath_devs_lock, flags); ret = create_device_files(sb, dd); if (ret) { - deactivate_super(sb); + deactivate_locked_super(sb); goto bail; } spin_lock_irqsave(&ipath_devs_lock, flags); diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 9974e886b8d..8a7dd6795fa 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -86,6 +86,7 @@ struct mlx4_ib_mr { struct mlx4_ib_fast_reg_page_list { struct ib_fast_reg_page_list ibfrpl; + __be64 *mapped_page_list; dma_addr_t map; }; diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 8e4d26d56a9..8f3666b20ea 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -231,7 +231,11 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device if (!mfrpl) return ERR_PTR(-ENOMEM); - mfrpl->ibfrpl.page_list = dma_alloc_coherent(&dev->dev->pdev->dev, + mfrpl->ibfrpl.page_list = kmalloc(size, GFP_KERNEL); + if (!mfrpl->ibfrpl.page_list) + goto err_free; + + mfrpl->mapped_page_list = dma_alloc_coherent(&dev->dev->pdev->dev, size, &mfrpl->map, GFP_KERNEL); if (!mfrpl->ibfrpl.page_list) @@ -242,6 +246,7 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device return &mfrpl->ibfrpl; err_free: + kfree(mfrpl->ibfrpl.page_list); kfree(mfrpl); return ERR_PTR(-ENOMEM); } @@ -252,8 +257,9 @@ void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list) struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(page_list); int size = page_list->max_page_list_len * sizeof (u64); - dma_free_coherent(&dev->dev->pdev->dev, size, page_list->page_list, + dma_free_coherent(&dev->dev->pdev->dev, size, mfrpl->mapped_page_list, mfrpl->map); + kfree(mfrpl->ibfrpl.page_list); kfree(mfrpl); } diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index f385a24d31d..20724aee76f 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1365,7 +1365,7 @@ static void set_fmr_seg(struct mlx4_wqe_fmr_seg *fseg, struct ib_send_wr *wr) int i; for (i = 0; i < wr->wr.fast_reg.page_list_len; ++i) - wr->wr.fast_reg.page_list->page_list[i] = + mfrpl->mapped_page_list[i] = cpu_to_be64(wr->wr.fast_reg.page_list->page_list[i] | MLX4_MTT_FLAG_PRESENT); diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index c33e1c53c79..6d55f9d748f 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -157,13 +157,15 @@ enum { enum { CMD_TIME_CLASS_A = (HZ + 999) / 1000 + 1, CMD_TIME_CLASS_B = (HZ + 99) / 100 + 1, - CMD_TIME_CLASS_C = (HZ + 9) / 10 + 1 + CMD_TIME_CLASS_C = (HZ + 9) / 10 + 1, + CMD_TIME_CLASS_D = 60 * HZ }; #else enum { CMD_TIME_CLASS_A = 60 * HZ, CMD_TIME_CLASS_B = 60 * HZ, - CMD_TIME_CLASS_C = 60 * HZ + CMD_TIME_CLASS_C = 60 * HZ, + CMD_TIME_CLASS_D = 60 * HZ }; #endif @@ -598,7 +600,7 @@ int mthca_SYS_EN(struct mthca_dev *dev, u8 *status) u64 out; int ret; - ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, HZ, status); + ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, CMD_TIME_CLASS_D, status); if (*status == MTHCA_CMD_STAT_DDR_MEM_ERR) mthca_warn(dev, "SYS_EN DDR error: syn=%x, sock=%d, " @@ -611,7 +613,7 @@ int mthca_SYS_EN(struct mthca_dev *dev, u8 *status) int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status) { - return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, HZ, status); + return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C, status); } static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm, @@ -1390,7 +1392,7 @@ int mthca_INIT_HCA(struct mthca_dev *dev, MTHCA_PUT(inbox, param->uarc_base, INIT_HCA_UAR_CTX_BASE_OFFSET); } - err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, HZ, status); + err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, CMD_TIME_CLASS_D, status); mthca_free_mailbox(dev, mailbox); return err; @@ -1450,12 +1452,12 @@ int mthca_INIT_IB(struct mthca_dev *dev, int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status) { - return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, HZ, status); + return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, CMD_TIME_CLASS_A, status); } int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status) { - return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, HZ, status); + return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, CMD_TIME_CLASS_C, status); } int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param, diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index 17621de54a9..bf1720f7f35 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -56,10 +56,8 @@ #define QUEUE_DISCONNECTS -#define DRV_BUILD "1" - #define DRV_NAME "iw_nes" -#define DRV_VERSION "1.0 KO Build " DRV_BUILD +#define DRV_VERSION "1.5.0.0" #define PFX DRV_NAME ": " /* diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index dbd9a75474e..11c7d664201 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -56,6 +56,7 @@ #include <net/neighbour.h> #include <net/route.h> #include <net/ip_fib.h> +#include <net/tcp.h> #include "nes.h" @@ -540,6 +541,7 @@ static void nes_cm_timer_tick(unsigned long pass) struct list_head *list_node; struct nes_cm_core *cm_core = g_cm_core; u32 settimer = 0; + unsigned long timetosend; int ret = NETDEV_TX_OK; struct list_head timer_list; @@ -644,8 +646,11 @@ static void nes_cm_timer_tick(unsigned long pass) send_entry->retrycount); if (send_entry->send_retrans) { send_entry->retranscount--; + timetosend = (NES_RETRY_TIMEOUT << + (NES_DEFAULT_RETRANS - send_entry->retranscount)); + send_entry->timetosend = jiffies + - NES_RETRY_TIMEOUT; + min(timetosend, NES_MAX_TIMEOUT); if (nexttimeout > send_entry->timetosend || !settimer) { nexttimeout = send_entry->timetosend; @@ -854,7 +859,6 @@ static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core, { unsigned long flags; struct nes_cm_listener *listen_node; - __be32 tmp_addr = cpu_to_be32(dst_addr); /* walk list and find cm_node associated with this session ID */ spin_lock_irqsave(&cm_core->listen_list_lock, flags); @@ -871,9 +875,6 @@ static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core, } spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); - nes_debug(NES_DBG_CM, "Unable to find listener for %pI4:%x\n", - &tmp_addr, dst_port); - /* no listener */ return NULL; } @@ -1325,18 +1326,20 @@ static void handle_fin_pkt(struct nes_cm_node *cm_node) nes_debug(NES_DBG_CM, "Received FIN, cm_node = %p, state = %u. " "refcnt=%d\n", cm_node, cm_node->state, atomic_read(&cm_node->ref_count)); - cm_node->tcp_cntxt.rcv_nxt++; - cleanup_retrans_entry(cm_node); switch (cm_node->state) { case NES_CM_STATE_SYN_RCVD: case NES_CM_STATE_SYN_SENT: case NES_CM_STATE_ESTABLISHED: case NES_CM_STATE_MPAREQ_SENT: case NES_CM_STATE_MPAREJ_RCVD: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_LAST_ACK; send_fin(cm_node, NULL); break; case NES_CM_STATE_FIN_WAIT1: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSING; send_ack(cm_node, NULL); /* Wait for ACK as this is simultanous close.. @@ -1344,11 +1347,15 @@ static void handle_fin_pkt(struct nes_cm_node *cm_node) * Just rm the node.. Done.. */ break; case NES_CM_STATE_FIN_WAIT2: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_TIME_WAIT; send_ack(cm_node, NULL); schedule_nes_timer(cm_node, NULL, NES_TIMER_TYPE_CLOSE, 1, 0); break; case NES_CM_STATE_TIME_WAIT: + cm_node->tcp_cntxt.rcv_nxt++; + cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; rem_ref_cm_node(cm_node->cm_core, cm_node); break; @@ -1384,7 +1391,6 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, passive_state = atomic_add_return(1, &cm_node->passive_state); if (passive_state == NES_SEND_RESET_EVENT) create_event(cm_node, NES_CM_EVENT_RESET); - cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; dev_kfree_skb_any(skb); break; @@ -1398,17 +1404,16 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, active_open_err(cm_node, skb, reset); break; case NES_CM_STATE_CLOSED: - cleanup_retrans_entry(cm_node); drop_packet(skb); break; + case NES_CM_STATE_LAST_ACK: + cm_node->cm_id->rem_ref(cm_node->cm_id); case NES_CM_STATE_TIME_WAIT: - cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; rem_ref_cm_node(cm_node->cm_core, cm_node); drop_packet(skb); break; case NES_CM_STATE_FIN_WAIT1: - cleanup_retrans_entry(cm_node); nes_debug(NES_DBG_CM, "Bad state %s[%u]\n", __func__, __LINE__); default: drop_packet(skb); @@ -1455,6 +1460,7 @@ static void handle_rcv_mpa(struct nes_cm_node *cm_node, struct sk_buff *skb) NES_PASSIVE_STATE_INDICATED); break; case NES_CM_STATE_MPAREQ_SENT: + cleanup_retrans_entry(cm_node); if (res_type == NES_MPA_REQUEST_REJECT) { type = NES_CM_EVENT_MPA_REJECT; cm_node->state = NES_CM_STATE_MPAREJ_RCVD; @@ -1518,7 +1524,7 @@ static int check_seq(struct nes_cm_node *cm_node, struct tcphdr *tcph, rcv_wnd = cm_node->tcp_cntxt.rcv_wnd; if (ack_seq != loc_seq_num) err = 1; - else if ((seq + rcv_wnd) < rcv_nxt) + else if (!between(seq, rcv_nxt, (rcv_nxt+rcv_wnd))) err = 1; if (err) { nes_debug(NES_DBG_CM, "%s[%u] create abort for cm_node=%p " @@ -1652,49 +1658,39 @@ static void handle_synack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, } } -static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, +static int handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, struct tcphdr *tcph) { int datasize = 0; u32 inc_sequence; u32 rem_seq_ack; u32 rem_seq; - int ret; + int ret = 0; int optionsize; optionsize = (tcph->doff << 2) - sizeof(struct tcphdr); if (check_seq(cm_node, tcph, skb)) - return; + return -EINVAL; skb_pull(skb, tcph->doff << 2); inc_sequence = ntohl(tcph->seq); rem_seq = ntohl(tcph->seq); rem_seq_ack = ntohl(tcph->ack_seq); datasize = skb->len; - cleanup_retrans_entry(cm_node); switch (cm_node->state) { case NES_CM_STATE_SYN_RCVD: /* Passive OPEN */ + cleanup_retrans_entry(cm_node); ret = handle_tcp_options(cm_node, tcph, skb, optionsize, 1); if (ret) break; cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq); - if (cm_node->tcp_cntxt.rem_ack_num != - cm_node->tcp_cntxt.loc_seq_num) { - nes_debug(NES_DBG_CM, "rem_ack_num != loc_seq_num\n"); - cleanup_retrans_entry(cm_node); - send_reset(cm_node, skb); - return; - } cm_node->state = NES_CM_STATE_ESTABLISHED; - cleanup_retrans_entry(cm_node); if (datasize) { cm_node->tcp_cntxt.rcv_nxt = inc_sequence + datasize; handle_rcv_mpa(cm_node, skb); - } else { /* rcvd ACK only */ + } else /* rcvd ACK only */ dev_kfree_skb_any(skb); - cleanup_retrans_entry(cm_node); - } break; case NES_CM_STATE_ESTABLISHED: /* Passive OPEN */ @@ -1706,15 +1702,12 @@ static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, drop_packet(skb); break; case NES_CM_STATE_MPAREQ_SENT: - cleanup_retrans_entry(cm_node); cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq); if (datasize) { cm_node->tcp_cntxt.rcv_nxt = inc_sequence + datasize; handle_rcv_mpa(cm_node, skb); - } else { /* Could be just an ack pkt.. */ - cleanup_retrans_entry(cm_node); + } else /* Could be just an ack pkt.. */ dev_kfree_skb_any(skb); - } break; case NES_CM_STATE_LISTENING: case NES_CM_STATE_CLOSED: @@ -1722,11 +1715,10 @@ static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, send_reset(cm_node, skb); break; case NES_CM_STATE_LAST_ACK: + case NES_CM_STATE_CLOSING: cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; cm_node->cm_id->rem_ref(cm_node->cm_id); - case NES_CM_STATE_CLOSING: - cleanup_retrans_entry(cm_node); rem_ref_cm_node(cm_node->cm_core, cm_node); drop_packet(skb); break; @@ -1741,9 +1733,11 @@ static void handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, case NES_CM_STATE_MPAREQ_RCVD: case NES_CM_STATE_UNKNOWN: default: + cleanup_retrans_entry(cm_node); drop_packet(skb); break; } + return ret; } @@ -1849,6 +1843,7 @@ static void process_packet(struct nes_cm_node *cm_node, struct sk_buff *skb, enum nes_tcpip_pkt_type pkt_type = NES_PKT_TYPE_UNKNOWN; struct tcphdr *tcph = tcp_hdr(skb); u32 fin_set = 0; + int ret = 0; skb_pull(skb, ip_hdr(skb)->ihl << 2); nes_debug(NES_DBG_CM, "process_packet: cm_node=%p state =%d syn=%d " @@ -1874,17 +1869,17 @@ static void process_packet(struct nes_cm_node *cm_node, struct sk_buff *skb, handle_synack_pkt(cm_node, skb, tcph); break; case NES_PKT_TYPE_ACK: - handle_ack_pkt(cm_node, skb, tcph); - if (fin_set) + ret = handle_ack_pkt(cm_node, skb, tcph); + if (fin_set && !ret) handle_fin_pkt(cm_node); break; case NES_PKT_TYPE_RST: handle_rst_pkt(cm_node, skb, tcph); break; default: - drop_packet(skb); - if (fin_set) + if ((fin_set) && (!check_seq(cm_node, tcph, skb))) handle_fin_pkt(cm_node); + drop_packet(skb); break; } } @@ -2710,7 +2705,6 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) /* associate the node with the QP */ nesqp->cm_node = (void *)cm_node; cm_node->nesqp = nesqp; - nes_add_ref(&nesqp->ibqp); nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n", nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener); @@ -2763,6 +2757,9 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) nes_debug(NES_DBG_CM, "Unable to register memory region" "for lSMM for cm_node = %p \n", cm_node); + pci_free_consistent(nesdev->pcidev, + nesqp->private_data_len+sizeof(struct ietf_mpa_frame), + nesqp->ietf_frame, nesqp->ietf_frame_pbase); return -ENOMEM; } @@ -2879,6 +2876,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) /* notify OF layer that accept event was successful */ cm_id->add_ref(cm_id); + nes_add_ref(&nesqp->ibqp); cm_event.event = IW_CM_EVENT_ESTABLISHED; cm_event.status = IW_CM_EVENT_STATUS_ACCEPTED; @@ -2959,6 +2957,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) struct nes_device *nesdev; struct nes_cm_node *cm_node; struct nes_cm_info cm_info; + int apbvt_set = 0; ibqp = nes_get_qp(cm_id->device, conn_param->qpn); if (!ibqp) @@ -2996,9 +2995,11 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) conn_param->private_data_len); if (cm_id->local_addr.sin_addr.s_addr != - cm_id->remote_addr.sin_addr.s_addr) + cm_id->remote_addr.sin_addr.s_addr) { nes_manage_apbvt(nesvnic, ntohs(cm_id->local_addr.sin_port), PCI_FUNC(nesdev->pcidev->devfn), NES_MANAGE_APBVT_ADD); + apbvt_set = 1; + } /* set up the connection params for the node */ cm_info.loc_addr = htonl(cm_id->local_addr.sin_addr.s_addr); @@ -3015,8 +3016,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) conn_param->private_data_len, (void *)conn_param->private_data, &cm_info); if (!cm_node) { - if (cm_id->local_addr.sin_addr.s_addr != - cm_id->remote_addr.sin_addr.s_addr) + if (apbvt_set) nes_manage_apbvt(nesvnic, ntohs(cm_id->local_addr.sin_port), PCI_FUNC(nesdev->pcidev->devfn), NES_MANAGE_APBVT_DEL); @@ -3025,7 +3025,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) return -ENOMEM; } - cm_node->apbvt_set = 1; + cm_node->apbvt_set = apbvt_set; nesqp->cm_node = cm_node; cm_node->nesqp = nesqp; nes_add_ref(&nesqp->ibqp); diff --git a/drivers/infiniband/hw/nes/nes_cm.h b/drivers/infiniband/hw/nes/nes_cm.h index 80bba189257..8b7e7c0e496 100644 --- a/drivers/infiniband/hw/nes/nes_cm.h +++ b/drivers/infiniband/hw/nes/nes_cm.h @@ -149,6 +149,7 @@ struct nes_timer_entry { #endif #define NES_SHORT_TIME (10) #define NES_LONG_TIME (2000*HZ/1000) +#define NES_MAX_TIMEOUT ((unsigned long) (12*HZ)) #define NES_CM_HASHTABLE_SIZE 1024 #define NES_CM_TCP_TIMER_INTERVAL 3000 diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index d6fc9ae4406..b832a7b814a 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -550,11 +550,8 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { msleep(1); } if (int_cnt > 1) { - u32 sds; spin_lock_irqsave(&nesadapter->phy_lock, flags); - sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); - sds |= 0x00000040; - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); + nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, 0x0000F0C8); mh_detected++; reset_value = nes_read32(nesdev->regs+NES_SOFTWARE_RESET); reset_value |= 0x0000003d; @@ -579,7 +576,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { if (++ext_cnt > int_cnt) { spin_lock_irqsave(&nesadapter->phy_lock, flags); nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, - 0x0000F0C8); + 0x0000F088); mh_detected++; reset_value = nes_read32(nesdev->regs+NES_SOFTWARE_RESET); reset_value |= 0x0000003d; @@ -764,6 +761,9 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, return 0; /* init serdes 1 */ + if (!(OneG_Mode && (nesadapter->phy_type[1] != NES_PHY_TYPE_PUMA_1G))) + nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000000FF); + switch (nesadapter->phy_type[1]) { case NES_PHY_TYPE_ARGUS: case NES_PHY_TYPE_SFP_D: @@ -771,21 +771,20 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP1, 0x00000000); break; case NES_PHY_TYPE_CX4: - sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); - sds &= 0xFFFFFFBF; - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); if (wide_ppm_offset) nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000FFFAA); - else - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000000FF); break; case NES_PHY_TYPE_PUMA_1G: sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); sds |= 0x000000100; nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); } - if (!OneG_Mode) + if (!OneG_Mode) { nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE1, 0x11110000); + sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1); + sds &= 0xFFFFFFBF; + nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1, sds); + } } else { /* init serdes 0 */ nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0, 0x00000008); @@ -913,6 +912,12 @@ static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_cou u32temp &= 0x7fffffff; u32temp |= 0x7fff0010; nes_write_indexed(nesdev, 0x000021f8, u32temp); + if (port_count > 1) { + u32temp = nes_read_indexed(nesdev, 0x000023f8); + u32temp &= 0x7fffffff; + u32temp |= 0x7fff0010; + nes_write_indexed(nesdev, 0x000023f8, u32temp); + } } } @@ -1366,13 +1371,14 @@ int nes_init_phy(struct nes_device *nesdev) if (phy_type == NES_PHY_TYPE_ARGUS) { nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C); nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0008); + nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001); } else { nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x0004); nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0038); + nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0013); } nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc31a, 0x0098); nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0026, 0x0E00); - nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001); /* setup LEDs */ nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd006, 0x0007); diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 7e5b5ba13a7..64d5cfd8f38 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1627,6 +1627,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, nescq->hw_cq.cq_number = nes_ucontext->mcrqf & 0xffff; else nescq->hw_cq.cq_number = nesvnic->mcrq_qp_id + nes_ucontext->mcrqf-1; + nescq->mcrqf = nes_ucontext->mcrqf; nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); } nes_debug(NES_DBG_CQ, "CQ Virtual Address = %08lX, size = %u.\n", @@ -1682,6 +1683,12 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } + nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-ENOMEM); @@ -1705,6 +1712,11 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-ENOMEM); @@ -1722,6 +1734,11 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-ENOMEM); @@ -1774,6 +1791,11 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); + else { + pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, + nespbl->pbl_vbase, nespbl->pbl_pbase); + kfree(nespbl); + } nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-EIO); @@ -1855,7 +1877,9 @@ static int nes_destroy_cq(struct ib_cq *ib_cq) set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_OPCODE_IDX, opcode); set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, (nescq->hw_cq.cq_number | ((u32)PCI_FUNC(nesdev->pcidev->devfn) << 16))); - nes_free_resource(nesadapter, nesadapter->allocated_cqs, nescq->hw_cq.cq_number); + if (!nescq->mcrqf) + nes_free_resource(nesadapter, nesadapter->allocated_cqs, nescq->hw_cq.cq_number); + atomic_set(&cqp_request->refcount, 2); nes_post_cqp_request(nesdev, cqp_request); @@ -1895,8 +1919,7 @@ static int nes_destroy_cq(struct ib_cq *ib_cq) static u32 root_256(struct nes_device *nesdev, struct nes_root_vpbl *root_vpbl, struct nes_root_vpbl *new_root, - u16 pbl_count_4k, - u16 pbl_count_256) + u16 pbl_count_4k) { u64 leaf_pbl; int i, j, k; @@ -1952,7 +1975,7 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd, int ret; struct nes_adapter *nesadapter = nesdev->nesadapter; uint pg_cnt = 0; - u16 pbl_count_256; + u16 pbl_count_256 = 0; u16 pbl_count = 0; u8 use_256_pbls = 0; u8 use_4k_pbls = 0; @@ -2012,7 +2035,7 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd, } if (use_256_pbls && use_two_level) { - if (root_256(nesdev, root_vpbl, &new_root, pbl_count_4k, pbl_count_256) == 1) { + if (root_256(nesdev, root_vpbl, &new_root, pbl_count_4k) == 1) { if (new_root.pbl_pbase != 0) root_vpbl = &new_root; } else { @@ -2122,6 +2145,7 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, struct nes_root_vpbl root_vpbl; u32 stag; u32 i; + unsigned long mask; u32 stag_index = 0; u32 next_stag_index = 0; u32 driver_key = 0; @@ -2150,6 +2174,9 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, return ERR_PTR(-E2BIG); } + if ((buffer_list[0].addr ^ *iova_start) & ~PAGE_MASK) + return ERR_PTR(-EINVAL); + err = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs, nesadapter->max_mr, &stag_index, &next_stag_index); if (err) { @@ -2215,19 +2242,16 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, root_pbl_index++; cur_pbl_index = 0; } - if (buffer_list[i].addr & ~PAGE_MASK) { - /* TODO: Unwind allocated buffers */ - nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index); - nes_debug(NES_DBG_MR, "Unaligned Memory Buffer: 0x%x\n", - (unsigned int) buffer_list[i].addr); - ibmr = ERR_PTR(-EINVAL); - kfree(nesmr); - goto reg_phys_err; - } - if (!buffer_list[i].size) { + mask = !buffer_list[i].size; + if (i != 0) + mask |= buffer_list[i].addr; + if (i != num_phys_buf - 1) + mask |= buffer_list[i].addr + buffer_list[i].size; + + if (mask & ~PAGE_MASK) { nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index); - nes_debug(NES_DBG_MR, "Invalid Buffer Size\n"); + nes_debug(NES_DBG_MR, "Invalid buffer addr or size\n"); ibmr = ERR_PTR(-EINVAL); kfree(nesmr); goto reg_phys_err; @@ -2238,7 +2262,7 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, if ((buffer_list[i-1].addr+PAGE_SIZE) != buffer_list[i].addr) single_page = 0; } - vpbl.pbl_vbase[cur_pbl_index].pa_low = cpu_to_le32((u32)buffer_list[i].addr); + vpbl.pbl_vbase[cur_pbl_index].pa_low = cpu_to_le32((u32)buffer_list[i].addr & PAGE_MASK); vpbl.pbl_vbase[cur_pbl_index++].pa_high = cpu_to_le32((u32)((((u64)buffer_list[i].addr) >> 32))); } @@ -2251,8 +2275,6 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, " length = 0x%016lX, index = 0x%08X\n", stag, (unsigned long)*iova_start, (unsigned long)region_length, stag_index); - region_length -= (*iova_start)&PAGE_MASK; - /* Make the leaf PBL the root if only one PBL */ if (root_pbl_index == 1) { root_vpbl.pbl_pbase = vpbl.pbl_pbase; @@ -2786,10 +2808,9 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, struct nes_vnic *nesvnic = nesibdev->nesvnic; nes_debug(NES_DBG_INIT, "\n"); - return sprintf(buf, "%x.%x.%x\n", - (int)(nesvnic->nesdev->nesadapter->fw_ver >> 32), - (int)(nesvnic->nesdev->nesadapter->fw_ver >> 16) & 0xffff, - (int)(nesvnic->nesdev->nesadapter->fw_ver & 0xffff)); + return sprintf(buf, "%u.%u\n", + (nesvnic->nesdev->nesadapter->firmware_version >> 16), + (nesvnic->nesdev->nesadapter->firmware_version & 0x000000ff)); } diff --git a/drivers/infiniband/hw/nes/nes_verbs.h b/drivers/infiniband/hw/nes/nes_verbs.h index 5e48f67fbe8..41c07f29f7c 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.h +++ b/drivers/infiniband/hw/nes/nes_verbs.h @@ -112,6 +112,7 @@ struct nes_cq { spinlock_t lock; u8 virtual_cq; u8 pad[3]; + u32 mcrqf; }; struct nes_wq { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index da608273983..e7e5adf84e8 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -685,7 +685,8 @@ int ipoib_ib_dev_open(struct net_device *dev) queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task, round_jiffies_relative(HZ)); - set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags); + if (!test_and_set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) + napi_enable(&priv->napi); return 0; } @@ -804,7 +805,8 @@ int ipoib_ib_dev_stop(struct net_device *dev, int flush) struct ipoib_tx_buf *tx_req; int i; - clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags); + if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) + napi_disable(&priv->napi); ipoib_cm_dev_stop(dev); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 421a6640c9b..ab2c192c76b 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -106,8 +106,7 @@ int ipoib_open(struct net_device *dev) ipoib_dbg(priv, "bringing up interface\n"); - if (!test_and_set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) - napi_enable(&priv->napi); + set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); if (ipoib_pkey_dev_delay_open(dev)) return 0; @@ -143,7 +142,6 @@ err_stop: ipoib_ib_dev_stop(dev, 1); err_disable: - napi_disable(&priv->napi); clear_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); return -EINVAL; @@ -156,7 +154,6 @@ static int ipoib_stop(struct net_device *dev) ipoib_dbg(priv, "stopping interface\n"); clear_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); - napi_disable(&priv->napi); netif_stop_queue(dev); diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 13d7674b293..75223f50de5 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -599,6 +599,7 @@ static struct scsi_host_template iscsi_iser_sht = { .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, .eh_target_reset_handler= iscsi_eh_target_reset, + .target_alloc = iscsi_target_alloc, .use_clustering = DISABLE_CLUSTERING, .proc_name = "iscsi_iser", .this_id = -1, diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index bc4e40f3ede..2d1415e1683 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -226,7 +226,7 @@ static int get_compatible_type(struct ff_device *ff, int effect_type) */ static void ml_combine_effects(struct ff_effect *effect, struct ml_effect_state *state, - int gain) + unsigned int gain) { struct ff_effect *new = state->effect; unsigned int strong, weak, i; diff --git a/drivers/input/input.c b/drivers/input/input.c index 935a1835de2..5d445f48789 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -29,6 +29,24 @@ MODULE_LICENSE("GPL"); #define INPUT_DEVICES 256 +/* + * EV_ABS events which should not be cached are listed here. + */ +static unsigned int input_abs_bypass_init_data[] __initdata = { + ABS_MT_TOUCH_MAJOR, + ABS_MT_TOUCH_MINOR, + ABS_MT_WIDTH_MAJOR, + ABS_MT_WIDTH_MINOR, + ABS_MT_ORIENTATION, + ABS_MT_POSITION_X, + ABS_MT_POSITION_Y, + ABS_MT_TOOL_TYPE, + ABS_MT_BLOB_ID, + ABS_MT_TRACKING_ID, + 0 +}; +static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)]; + static LIST_HEAD(input_dev_list); static LIST_HEAD(input_handler_list); @@ -161,6 +179,10 @@ static void input_handle_event(struct input_dev *dev, disposition = INPUT_PASS_TO_HANDLERS; } break; + case SYN_MT_REPORT: + dev->sync = 0; + disposition = INPUT_PASS_TO_HANDLERS; + break; } break; @@ -192,6 +214,11 @@ static void input_handle_event(struct input_dev *dev, case EV_ABS: if (is_event_supported(code, dev->absbit, ABS_MAX)) { + if (test_bit(code, input_abs_bypass)) { + disposition = INPUT_PASS_TO_HANDLERS; + break; + } + value = input_defuzz_abs_event(value, dev->abs[code], dev->absfuzz[code]); @@ -1634,10 +1661,20 @@ static const struct file_operations input_fops = { .open = input_open_file, }; +static void __init input_init_abs_bypass(void) +{ + const unsigned int *p; + + for (p = input_abs_bypass_init_data; *p; p++) + input_abs_bypass[BIT_WORD(*p)] |= BIT_MASK(*p); +} + static int __init input_init(void) { int err; + input_init_abs_bypass(); + err = class_register(&input_class); if (err) { printk(KERN_ERR "input: unable to register input_dev class\n"); diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 4224f011284..012a5e75399 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -843,7 +843,13 @@ static const struct input_device_id joydev_blacklist[] = { INPUT_DEVICE_ID_MATCH_KEYBIT, .evbit = { BIT_MASK(EV_KEY) }, .keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) }, - }, /* Avoid itouchpads, touchscreens and tablets */ + }, /* Avoid itouchpads and touchscreens */ + { + .flags = INPUT_DEVICE_ID_MATCH_EVBIT | + INPUT_DEVICE_ID_MATCH_KEYBIT, + .evbit = { BIT_MASK(EV_KEY) }, + .keybit = { [BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_DIGI) }, + }, /* Avoid tablets, digitisers and similar devices */ { } /* Terminating entry */ }; diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 444dec07e5d..df3f8aa6811 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -895,6 +895,13 @@ static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = { }; /* + * Amilo Xi 3650 key release for light touch bar not working + */ +static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = { + 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U +}; + +/* * atkbd_set_keycode_table() initializes keyboard's keycode table * according to the selected scancode set */ @@ -1560,6 +1567,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { .callback = atkbd_setup_forced_release, .driver_data = atkbd_amilo_pa1510_forced_release_keys, }, + { + .ident = "Fujitsu Amilo Xi 3650", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_amilo_xi3650_forced_release_keys, + }, { } }; diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index 058fa8b02c2..87ec7b18ac6 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -100,8 +100,20 @@ static irqreturn_t omap_kp_interrupt(int irq, void *dev_id) /* disable keyboard interrupt and schedule for handling */ if (cpu_is_omap24xx()) { int i; - for (i = 0; i < omap_kp->rows; i++) - disable_irq(gpio_to_irq(row_gpios[i])); + + for (i = 0; i < omap_kp->rows; i++) { + int gpio_irq = gpio_to_irq(row_gpios[i]); + /* + * The interrupt which we're currently handling should + * be disabled _nosync() to avoid deadlocks waiting + * for this handler to complete. All others should + * be disabled the regular way for SMP safety. + */ + if (gpio_irq == irq) + disable_irq_nosync(gpio_irq); + else + disable_irq(gpio_irq); + } } else /* disable keyboard interrupt and schedule for handling */ omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index cbedf957cc5..daecc75c72e 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -37,6 +37,7 @@ #define ALPS_FW_BK_2 0x40 static const struct alps_model_info alps_model_data[] = { + { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c index 454b96112f0..e0140fdc02a 100644 --- a/drivers/input/mouse/appletouch.c +++ b/drivers/input/mouse/appletouch.c @@ -255,15 +255,22 @@ MODULE_PARM_DESC(debug, "Activate debugging output"); */ static int atp_geyser_init(struct usb_device *udev) { - char data[8]; + char *data; int size; int i; + int ret; + + data = kmalloc(8, GFP_KERNEL); + if (!data) { + err("Out of memory"); + return -ENOMEM; + } size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), ATP_GEYSER_MODE_READ_REQUEST_ID, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, ATP_GEYSER_MODE_REQUEST_VALUE, - ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000); + ATP_GEYSER_MODE_REQUEST_INDEX, data, 8, 5000); if (size != 8) { dprintk("atp_geyser_init: read error\n"); @@ -271,7 +278,8 @@ static int atp_geyser_init(struct usb_device *udev) dprintk("appletouch[%d]: %d\n", i, data[i]); err("Failed to read mode from device."); - return -EIO; + ret = -EIO; + goto out_free; } /* Apply the mode switch */ @@ -281,7 +289,7 @@ static int atp_geyser_init(struct usb_device *udev) ATP_GEYSER_MODE_WRITE_REQUEST_ID, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, ATP_GEYSER_MODE_REQUEST_VALUE, - ATP_GEYSER_MODE_REQUEST_INDEX, &data, 8, 5000); + ATP_GEYSER_MODE_REQUEST_INDEX, data, 8, 5000); if (size != 8) { dprintk("atp_geyser_init: write error\n"); @@ -289,9 +297,13 @@ static int atp_geyser_init(struct usb_device *udev) dprintk("appletouch[%d]: %d\n", i, data[i]); err("Failed to request geyser raw mode"); - return -EIO; + ret = -EIO; + goto out_free; } - return 0; + ret = 0; +out_free: + kfree(data); + return ret; } /* diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 2998a6ac9ae..2d8fc0bf692 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -51,6 +51,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI 0x0230 #define USB_DEVICE_ID_APPLE_WELLSPRING2_ISO 0x0231 #define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS 0x0232 +/* Macbook5,1 (unibody), aka wellspring3 */ +#define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI 0x0236 +#define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO 0x0237 +#define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS 0x0238 #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -72,6 +76,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), + /* Macbook5,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), /* Terminating entry */ {} }; @@ -96,14 +104,23 @@ struct bt_data { u8 rel_y; /* relative y coordinate */ }; -/* trackpad header structure */ -struct tp_header { - u8 unknown1[16]; /* constants, timers, etc */ - u8 fingers; /* number of fingers on trackpad */ - u8 unknown2[9]; /* constants, timers, etc */ +/* trackpad header types */ +enum tp_type { + TYPE1, /* plain trackpad */ + TYPE2 /* button integrated in trackpad */ }; -/* trackpad finger structure */ +/* trackpad finger data offsets, le16-aligned */ +#define FINGER_TYPE1 (13 * sizeof(__le16)) +#define FINGER_TYPE2 (15 * sizeof(__le16)) + +/* trackpad button data offsets */ +#define BUTTON_TYPE2 15 + +/* list of device capability bits */ +#define HAS_INTEGRATED_BUTTON 1 + +/* trackpad finger structure, le16-aligned */ struct tp_finger { __le16 origin; /* zero when switching track finger */ __le16 abs_x; /* absolute x coodinate */ @@ -117,13 +134,11 @@ struct tp_finger { __le16 force_minor; /* trackpad force, minor axis? */ __le16 unused[3]; /* zeros */ __le16 multi; /* one finger: varies, more fingers: constant */ -}; +} __attribute__((packed,aligned(2))); -/* trackpad data structure, empirically at least ten fingers */ -struct tp_data { - struct tp_header header; - struct tp_finger finger[16]; -}; +/* trackpad finger data size, empirically at least ten fingers */ +#define SIZEOF_FINGER sizeof(struct tp_finger) +#define SIZEOF_ALL_FINGERS (16 * SIZEOF_FINGER) /* device-specific parameters */ struct bcm5974_param { @@ -136,9 +151,12 @@ struct bcm5974_param { /* device-specific configuration */ struct bcm5974_config { int ansi, iso, jis; /* the product id of this device */ + int caps; /* device capability bitmask */ int bt_ep; /* the endpoint of the button interface */ int bt_datalen; /* data length of the button interface */ int tp_ep; /* the endpoint of the trackpad interface */ + enum tp_type tp_type; /* type of trackpad interface */ + int tp_offset; /* offset to trackpad finger data */ int tp_datalen; /* data length of the trackpad interface */ struct bcm5974_param p; /* finger pressure limits */ struct bcm5974_param w; /* finger width limits */ @@ -158,7 +176,7 @@ struct bcm5974 { struct urb *bt_urb; /* button usb request block */ struct bt_data *bt_data; /* button transferred data */ struct urb *tp_urb; /* trackpad usb request block */ - struct tp_data *tp_data; /* trackpad transferred data */ + u8 *tp_data; /* trackpad transferred data */ int fingers; /* number of fingers on trackpad */ }; @@ -183,8 +201,9 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING_ANSI, USB_DEVICE_ID_APPLE_WELLSPRING_ISO, USB_DEVICE_ID_APPLE_WELLSPRING_JIS, + 0, 0x84, sizeof(struct bt_data), - 0x81, sizeof(struct tp_data), + 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, { DIM_X, DIM_X / SN_COORD, -4824, 5342 }, @@ -194,13 +213,26 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS, + 0, 0x84, sizeof(struct bt_data), - 0x81, sizeof(struct tp_data), + 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, { DIM_X, DIM_X / SN_COORD, -4824, 4824 }, { DIM_Y, DIM_Y / SN_COORD, -172, 4290 } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING3_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING3_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, + { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, + { DIM_X, DIM_X / SN_COORD, -4460, 5166 }, + { DIM_Y, DIM_Y / SN_COORD, -75, 6700 } + }, {} }; @@ -257,6 +289,7 @@ static void setup_events_to_report(struct input_dev *input_dev, __set_bit(BTN_TOOL_FINGER, input_dev->keybit); __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); + __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit); __set_bit(BTN_LEFT, input_dev->keybit); } @@ -266,6 +299,11 @@ static int report_bt_state(struct bcm5974 *dev, int size) if (size != sizeof(struct bt_data)) return -EIO; + dprintk(7, + "bcm5974: button data: %x %x %x %x\n", + dev->bt_data->unknown1, dev->bt_data->button, + dev->bt_data->rel_x, dev->bt_data->rel_y); + input_report_key(dev->input, BTN_LEFT, dev->bt_data->button); input_sync(dev->input); @@ -276,29 +314,37 @@ static int report_bt_state(struct bcm5974 *dev, int size) static int report_tp_state(struct bcm5974 *dev, int size) { const struct bcm5974_config *c = &dev->cfg; - const struct tp_finger *f = dev->tp_data->finger; + const struct tp_finger *f; struct input_dev *input = dev->input; - const int fingers = (size - 26) / 28; - int raw_p, raw_w, raw_x, raw_y; - int ptest = 0, origin = 0, nmin = 0, nmax = 0; + int raw_p, raw_w, raw_x, raw_y, raw_n; + int ptest = 0, origin = 0, ibt = 0, nmin = 0, nmax = 0; int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0; - if (size < 26 || (size - 26) % 28 != 0) + if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0) return -EIO; + /* finger data, le16-aligned */ + f = (const struct tp_finger *)(dev->tp_data + c->tp_offset); + raw_n = (size - c->tp_offset) / SIZEOF_FINGER; + /* always track the first finger; when detached, start over */ - if (fingers) { + if (raw_n) { raw_p = raw2int(f->force_major); raw_w = raw2int(f->size_major); raw_x = raw2int(f->abs_x); raw_y = raw2int(f->abs_y); dprintk(9, - "bcm5974: raw: p: %+05d w: %+05d x: %+05d y: %+05d\n", - raw_p, raw_w, raw_x, raw_y); + "bcm5974: " + "raw: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n", + raw_p, raw_w, raw_x, raw_y, raw_n); ptest = int2bound(&c->p, raw_p); origin = raw2int(f->origin); + + /* set the integrated button if applicable */ + if (c->tp_type == TYPE2) + ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); } /* while tracking finger still valid, count all fingers */ @@ -307,12 +353,13 @@ static int report_tp_state(struct bcm5974 *dev, int size) abs_w = int2bound(&c->w, raw_w); abs_x = int2bound(&c->x, raw_x - c->x.devmin); abs_y = int2bound(&c->y, c->y.devmax - raw_y); - for (; f != dev->tp_data->finger + fingers; f++) { + while (raw_n--) { ptest = int2bound(&c->p, raw2int(f->force_major)); if (ptest > PRESSURE_LOW) nmax++; if (ptest > PRESSURE_HIGH) nmin++; + f++; } } @@ -324,7 +371,8 @@ static int report_tp_state(struct bcm5974 *dev, int size) input_report_key(input, BTN_TOUCH, dev->fingers > 0); input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1); input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2); - input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers > 2); + input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers == 3); + input_report_key(input, BTN_TOOL_QUADTAP, dev->fingers > 3); input_report_abs(input, ABS_PRESSURE, abs_p); input_report_abs(input, ABS_TOOL_WIDTH, abs_w); @@ -335,11 +383,15 @@ static int report_tp_state(struct bcm5974 *dev, int size) dprintk(8, "bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d " - "nmin: %d nmax: %d n: %d\n", - abs_p, abs_w, abs_x, abs_y, nmin, nmax, dev->fingers); + "nmin: %d nmax: %d n: %d ibt: %d\n", abs_p, abs_w, + abs_x, abs_y, nmin, nmax, dev->fingers, ibt); } + /* type 2 reports button events via ibt only */ + if (c->tp_type == TYPE2) + input_report_key(input, BTN_LEFT, ibt); + input_sync(input); return 0; @@ -649,6 +701,8 @@ static int bcm5974_probe(struct usb_interface *iface, input_dev->name = "bcm5974"; input_dev->phys = dev->phys; usb_to_input_id(dev->udev, &input_dev->id); + /* report driver capabilities via the version field */ + input_dev->id.version = cfg->caps; input_dev->dev.parent = &iface->dev; input_set_drvdata(input_dev, dev); diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 6ab0eb1ada1..4bc78892ba9 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1,7 +1,7 @@ /* - * Elantech Touchpad driver (v5) + * Elantech Touchpad driver (v6) * - * Copyright (C) 2007-2008 Arjan Opmeer <arjan@opmeer.net> + * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net> * * 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 @@ -178,6 +178,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) struct elantech_data *etd = psmouse->private; unsigned char *packet = psmouse->packet; int fingers; + static int old_fingers; if (etd->fw_version_maj == 0x01) { /* byte 0: D U p1 p2 1 p3 R L @@ -190,6 +191,14 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) fingers = (packet[0] & 0xc0) >> 6; } + if (etd->jumpy_cursor) { + /* Discard packets that are likely to have bogus coordinates */ + if (fingers > old_fingers) { + elantech_debug("elantech.c: discarding packet\n"); + goto discard_packet_v1; + } + } + input_report_key(dev, BTN_TOUCH, fingers != 0); /* byte 2: x7 x6 x5 x4 x3 x2 x1 x0 @@ -216,6 +225,9 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) } input_sync(dev); + + discard_packet_v1: + old_fingers = fingers; } /* @@ -363,9 +375,14 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse) rc = -1; break; } + } + + if (rc == 0) { /* - * Read back reg 0x10. The touchpad is probably initalising - * and not ready until we read back the value we just wrote. + * Read back reg 0x10. For hardware version 1 we must make + * sure the absolute mode bit is set. For hardware version 2 + * the touchpad is probably initalising and not ready until + * we read back the value we just wrote. */ do { rc = elantech_read_reg(psmouse, 0x10, &val); @@ -373,12 +390,18 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse) break; tries--; elantech_debug("elantech.c: retrying read (%d).\n", - tries); + tries); msleep(ETP_READ_BACK_DELAY); } while (tries > 0); - if (rc) + + if (rc) { pr_err("elantech.c: failed to read back register 0x10.\n"); - break; + } else if (etd->hw_version == 1 && + !(val & ETP_R10_ABSOLUTE_MODE)) { + pr_err("elantech.c: touchpad refuses " + "to switch to absolute mode.\n"); + rc = -1; + } } if (rc) @@ -662,6 +685,17 @@ int elantech_init(struct psmouse *psmouse) param[0], param[1], param[2]); etd->capabilities = param[0]; + /* + * This firmware seems to suffer from misreporting coordinates when + * a touch action starts causing the mouse cursor or scrolled page + * to jump. Enable a workaround. + */ + if (etd->fw_version_maj == 0x02 && etd->fw_version_min == 0x22) { + pr_info("elantech.c: firmware version 2.34 detected, " + "enabling jumpy cursor workaround\n"); + etd->jumpy_cursor = 1; + } + if (elantech_set_absolute_mode(psmouse)) { pr_err("elantech.c: failed to put touchpad into absolute mode.\n"); goto init_fail; diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index bee282b540b..ed848cc8081 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -1,7 +1,7 @@ /* - * Elantech Touchpad driver (v5) + * Elantech Touchpad driver (v6) * - * Copyright (C) 2007-2008 Arjan Opmeer <arjan@opmeer.net> + * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net> * * 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 @@ -104,6 +104,7 @@ struct elantech_data { unsigned char fw_version_min; unsigned char hw_version; unsigned char paritycheck; + unsigned char jumpy_cursor; unsigned char parity[256]; }; diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index df81b0aaa9f..15ac3205ac0 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -61,6 +61,12 @@ static const struct dmi_system_id lifebook_dmi_table[] = { }, }, { + .ident = "Lifebook B-2130", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"), + }, + }, + { .ident = "Lifebook B213x/B2150", .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"), diff --git a/drivers/input/mouse/maplemouse.c b/drivers/input/mouse/maplemouse.c index d196abfb68b..5f278176eb9 100644 --- a/drivers/input/mouse/maplemouse.c +++ b/drivers/input/mouse/maplemouse.c @@ -2,8 +2,8 @@ * SEGA Dreamcast mouse driver * Based on drivers/usb/usbmouse.c * - * Copyright Yaegashi Takeshi, 2001 - * Adrian McMenamin, 2008 + * Copyright (c) Yaegashi Takeshi, 2001 + * Copyright (c) Adrian McMenamin, 2008 - 2009 */ #include <linux/kernel.h> @@ -29,7 +29,7 @@ static void dc_mouse_callback(struct mapleq *mq) struct maple_device *mapledev = mq->dev; struct dc_mouse *mse = maple_get_drvdata(mapledev); struct input_dev *dev = mse->dev; - unsigned char *res = mq->recvbuf; + unsigned char *res = mq->recvbuf->buf; buttons = ~res[8]; relx = *(unsigned short *)(res + 12) - 512; @@ -47,7 +47,7 @@ static void dc_mouse_callback(struct mapleq *mq) static int dc_mouse_open(struct input_dev *dev) { - struct dc_mouse *mse = dev->dev.platform_data; + struct dc_mouse *mse = maple_get_drvdata(to_maple_dev(&dev->dev)); maple_getcond_callback(mse->mdev, dc_mouse_callback, HZ/50, MAPLE_FUNC_MOUSE); @@ -57,29 +57,33 @@ static int dc_mouse_open(struct input_dev *dev) static void dc_mouse_close(struct input_dev *dev) { - struct dc_mouse *mse = dev->dev.platform_data; + struct dc_mouse *mse = maple_get_drvdata(to_maple_dev(&dev->dev)); maple_getcond_callback(mse->mdev, dc_mouse_callback, 0, MAPLE_FUNC_MOUSE); } - +/* allow the mouse to be used */ static int __devinit probe_maple_mouse(struct device *dev) { struct maple_device *mdev = to_maple_dev(dev); struct maple_driver *mdrv = to_maple_driver(dev->driver); + int error; struct input_dev *input_dev; struct dc_mouse *mse; - int error; mse = kzalloc(sizeof(struct dc_mouse), GFP_KERNEL); - input_dev = input_allocate_device(); - - if (!mse || !input_dev) { + if (!mse) { error = -ENOMEM; goto fail; } + input_dev = input_allocate_device(); + if (!input_dev) { + error = -ENOMEM; + goto fail_nomem; + } + mse->dev = input_dev; mse->mdev = mdev; @@ -89,25 +93,24 @@ static int __devinit probe_maple_mouse(struct device *dev) BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE); input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y) | BIT_MASK(REL_WHEEL); - input_dev->name = mdev->product_name; - input_dev->id.bustype = BUS_HOST; input_dev->open = dc_mouse_open; input_dev->close = dc_mouse_close; + input_dev->name = mdev->product_name; + input_dev->id.bustype = BUS_HOST; + error = input_register_device(input_dev); + if (error) + goto fail_register; mdev->driver = mdrv; maple_set_drvdata(mdev, mse); - error = input_register_device(input_dev); - if (error) - goto fail; - - return 0; + return error; -fail: +fail_register: input_free_device(input_dev); - maple_set_drvdata(mdev, NULL); +fail_nomem: kfree(mse); - mdev->driver = NULL; +fail: return error; } diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c index e29cdc13a19..a28c06d686e 100644 --- a/drivers/input/serio/ambakmi.c +++ b/drivers/input/serio/ambakmi.c @@ -107,7 +107,7 @@ static void amba_kmi_close(struct serio *io) clk_disable(kmi->clk); } -static int amba_kmi_probe(struct amba_device *dev, void *id) +static int amba_kmi_probe(struct amba_device *dev, struct amba_id *id) { struct amba_kmi_port *kmi; struct serio *io; diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c index bfe49243f38..1c9410d1822 100644 --- a/drivers/input/serio/hp_sdc.c +++ b/drivers/input/serio/hp_sdc.c @@ -819,6 +819,7 @@ static const struct parisc_device_id hp_sdc_tbl[] = { MODULE_DEVICE_TABLE(parisc, hp_sdc_tbl); static int __init hp_sdc_init_hppa(struct parisc_device *d); +static struct delayed_work moduleloader_work; static struct parisc_driver hp_sdc_driver = { .name = "hp_sdc", @@ -930,8 +931,15 @@ static int __init hp_sdc_init(void) #if defined(__hppa__) +static void request_module_delayed(struct work_struct *work) +{ + request_module("hp_sdc_mlc"); +} + static int __init hp_sdc_init_hppa(struct parisc_device *d) { + int ret; + if (!d) return 1; if (hp_sdc.dev != NULL) @@ -944,13 +952,26 @@ static int __init hp_sdc_init_hppa(struct parisc_device *d) hp_sdc.data_io = d->hpa.start + 0x800; hp_sdc.status_io = d->hpa.start + 0x801; - return hp_sdc_init(); + INIT_DELAYED_WORK(&moduleloader_work, request_module_delayed); + + ret = hp_sdc_init(); + /* after sucessfull initialization give SDC some time to settle + * and then load the hp_sdc_mlc upper layer driver */ + if (!ret) + schedule_delayed_work(&moduleloader_work, + msecs_to_jiffies(2000)); + + return ret; } #endif /* __hppa__ */ static void hp_sdc_exit(void) { + /* do nothing if we don't have a SDC */ + if (!hp_sdc.dev) + return; + write_lock_irq(&hp_sdc.lock); /* Turn off all maskable "sub-function" irq's. */ @@ -969,6 +990,7 @@ static void hp_sdc_exit(void) tasklet_kill(&hp_sdc.task); #if defined(__hppa__) + cancel_delayed_work_sync(&moduleloader_work); if (unregister_parisc_driver(&hp_sdc_driver)) printk(KERN_WARNING PREFIX "Error unregistering HP SDC"); #endif diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c index 67248c31e19..be5bbbb8ae4 100644 --- a/drivers/input/serio/libps2.c +++ b/drivers/input/serio/libps2.c @@ -210,7 +210,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command) timeout = wait_event_timeout(ps2dev->wait, !(ps2dev->flags & PS2_FLAG_CMD1), timeout); - if (ps2dev->cmdcnt && timeout > 0) { + if (ps2dev->cmdcnt && !(ps2dev->flags & PS2_FLAG_CMD1)) { timeout = ps2_adjust_timeout(ps2dev, command, timeout); wait_event_timeout(ps2dev->wait, diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c index 57953c0eb82..f412c69478a 100644 --- a/drivers/input/serio/sa1111ps2.c +++ b/drivers/input/serio/sa1111ps2.c @@ -77,7 +77,7 @@ static irqreturn_t ps2_txint(int irq, void *dev_id) spin_lock(&ps2if->lock); status = sa1111_readl(ps2if->base + SA1111_PS2STAT); if (ps2if->head == ps2if->tail) { - disable_irq(irq); + disable_irq_nosync(irq); /* done */ } else if (status & PS2STAT_TXE) { sa1111_writel(ps2if->buf[ps2if->tail], ps2if->base + SA1111_PS2DATA); diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h index 677680e9f54..9710bfd49cf 100644 --- a/drivers/input/tablet/wacom.h +++ b/drivers/input/tablet/wacom.h @@ -11,7 +11,7 @@ * Copyright (c) 2000 Daniel Egger <egger@suse.de> * Copyright (c) 2001 Frederic Lepied <flepied@mandrakesoft.com> * Copyright (c) 2004 Panagiotis Issaris <panagiotis.issaris@mech.kuleuven.ac.be> - * Copyright (c) 2002-2008 Ping Cheng <pingc@wacom.com> + * Copyright (c) 2002-2009 Ping Cheng <pingc@wacom.com> * * ChangeLog: * v0.1 (vp) - Initial release @@ -67,6 +67,7 @@ * v1.47 (pc) - Added support for Bamboo * v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX * v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A) + * v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28 */ /* @@ -87,7 +88,7 @@ /* * Version Information */ -#define DRIVER_VERSION "v1.49" +#define DRIVER_VERSION "v1.50" #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>" #define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver" #define DRIVER_LICENSE "GPL" diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 484496daa0f..b8624f27abf 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -289,6 +289,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi 5000); /* 5 secs */ } while (result < 0 && limit++ < 5); + /* No need to parse the Descriptor. It isn't an error though */ if (result < 0) goto out; @@ -368,9 +369,8 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi } } - result = 0; - out: + result = 0; kfree(report); return result; } @@ -425,6 +425,15 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i endpoint = &intf->cur_altsetting->endpoint[0].desc; + /* Initialize touch_x_max and touch_y_max in case it is not defined */ + if (wacom_wac->features->type == TABLETPC) { + features->touch_x_max = 1023; + features->touch_y_max = 1023; + } else { + features->touch_x_max = 0; + features->touch_y_max = 0; + } + /* TabletPC need to retrieve the physical and logical maximum from report descriptor */ if (wacom_wac->features->type == TABLETPC) { if (usb_get_extra_descriptor(interface, HID_DEVICET_HID, &hid_desc)) { diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 4ab07024689..948e167557f 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -200,8 +200,9 @@ static int tsc2007_read_values(struct tsc2007 *tsc) static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle) { struct tsc2007 *ts = container_of(handle, struct tsc2007, timer); + unsigned long flags; - spin_lock_irq(&ts->lock); + spin_lock_irqsave(&ts->lock, flags); if (unlikely(!ts->get_pendown_state() && ts->pendown)) { struct input_dev *input = ts->input; @@ -222,7 +223,7 @@ static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle) tsc2007_send_event(ts); } - spin_unlock_irq(&ts->lock); + spin_unlock_irqrestore(&ts->lock, flags); return HRTIMER_NORESTART; } @@ -235,7 +236,7 @@ static irqreturn_t tsc2007_irq(int irq, void *handle) spin_lock_irqsave(&ts->lock, flags); if (likely(ts->get_pendown_state())) { - disable_irq(ts->irq); + disable_irq_nosync(ts->irq); hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_DELAY), HRTIMER_MODE_REL); } diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c index e868264fe79..6954f550010 100644 --- a/drivers/input/touchscreen/ucb1400_ts.c +++ b/drivers/input/touchscreen/ucb1400_ts.c @@ -256,7 +256,7 @@ static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid) struct ucb1400_ts *ucb = devid; if (irqnr == ucb->irq) { - disable_irq(ucb->irq); + disable_irq_nosync(ucb->irq); ucb->irq_pending = 1; wake_up(&ucb->ts_wait); return IRQ_HANDLED; @@ -419,7 +419,7 @@ static int ucb1400_ts_remove(struct platform_device *dev) #ifdef CONFIG_PM static int ucb1400_ts_resume(struct platform_device *dev) { - struct ucb1400_ts *ucb = platform_get_drvdata(dev); + struct ucb1400_ts *ucb = dev->dev.platform_data; if (ucb->ts_task) { /* diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c index b129409925a..bff72d81f26 100644 --- a/drivers/isdn/capi/capifs.c +++ b/drivers/isdn/capi/capifs.c @@ -75,15 +75,17 @@ static int capifs_remount(struct super_block *s, int *flags, char *data) } } - kfree(s->s_options); - s->s_options = new_opt; + mutex_lock(&s->s_root->d_inode->i_mutex); + replace_mount_options(s, new_opt); config.setuid = setuid; config.setgid = setgid; config.uid = uid; config.gid = gid; config.mode = mode; + mutex_unlock(&s->s_root->d_inode->i_mutex); + return 0; } @@ -154,13 +156,16 @@ void capifs_new_ncci(unsigned int number, dev_t device) if (!inode) return; inode->i_ino = number+2; + + dentry = get_node(number); + + /* config contents is protected by root's i_mutex */ inode->i_uid = config.setuid ? config.uid : current_fsuid(); inode->i_gid = config.setgid ? config.gid : current_fsgid(); inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; init_special_inode(inode, S_IFCHR|config.mode, device); //inode->i_op = &capifs_file_inode_operations; - dentry = get_node(number); if (!IS_ERR(dentry) && !dentry->d_inode) d_instantiate(dentry, inode); mutex_unlock(&capifs_root->d_inode->i_mutex); diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index 5360c4fd473..f33170368cd 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -270,6 +270,15 @@ static void recv_handler(struct work_struct *work) mutex_unlock(&ap->recv_mtx); } +/** + * capi_ctr_handle_message() - handle incoming CAPI message + * @card: controller descriptor structure. + * @appl: application ID. + * @skb: message. + * + * Called by hardware driver to pass a CAPI message to the application. + */ + void capi_ctr_handle_message(struct capi_ctr * card, u16 appl, struct sk_buff *skb) { struct capi20_appl *ap; @@ -348,6 +357,13 @@ error: EXPORT_SYMBOL(capi_ctr_handle_message); +/** + * capi_ctr_ready() - signal CAPI controller ready + * @card: controller descriptor structure. + * + * Called by hardware driver to signal that the controller is up and running. + */ + void capi_ctr_ready(struct capi_ctr * card) { card->cardstate = CARD_RUNNING; @@ -360,6 +376,14 @@ void capi_ctr_ready(struct capi_ctr * card) EXPORT_SYMBOL(capi_ctr_ready); +/** + * capi_ctr_reseted() - signal CAPI controller reset + * @card: controller descriptor structure. + * + * Called by hardware driver to signal that the controller is down and + * unavailable for use. + */ + void capi_ctr_reseted(struct capi_ctr * card) { u16 appl; @@ -391,6 +415,13 @@ void capi_ctr_reseted(struct capi_ctr * card) EXPORT_SYMBOL(capi_ctr_reseted); +/** + * capi_ctr_suspend_output() - suspend controller + * @card: controller descriptor structure. + * + * Called by hardware driver to stop data flow. + */ + void capi_ctr_suspend_output(struct capi_ctr *card) { if (!card->blocked) { @@ -401,6 +432,13 @@ void capi_ctr_suspend_output(struct capi_ctr *card) EXPORT_SYMBOL(capi_ctr_suspend_output); +/** + * capi_ctr_resume_output() - resume controller + * @card: controller descriptor structure. + * + * Called by hardware driver to resume data flow. + */ + void capi_ctr_resume_output(struct capi_ctr *card) { if (card->blocked) { @@ -413,6 +451,14 @@ EXPORT_SYMBOL(capi_ctr_resume_output); /* ------------------------------------------------------------- */ +/** + * attach_capi_ctr() - register CAPI controller + * @card: controller descriptor structure. + * + * Called by hardware driver to register a controller with the CAPI subsystem. + * Return value: 0 on success, error code < 0 on error + */ + int attach_capi_ctr(struct capi_ctr *card) { @@ -459,6 +505,15 @@ attach_capi_ctr(struct capi_ctr *card) EXPORT_SYMBOL(attach_capi_ctr); +/** + * detach_capi_ctr() - unregister CAPI controller + * @card: controller descriptor structure. + * + * Called by hardware driver to remove the registration of a controller + * with the CAPI subsystem. + * Return value: 0 on success, error code < 0 on error + */ + int detach_capi_ctr(struct capi_ctr *card) { if (card->cardstate != CARD_DETECTED) @@ -479,6 +534,13 @@ int detach_capi_ctr(struct capi_ctr *card) EXPORT_SYMBOL(detach_capi_ctr); +/** + * register_capi_driver() - register CAPI driver + * @driver: driver descriptor structure. + * + * Called by hardware driver to register itself with the CAPI subsystem. + */ + void register_capi_driver(struct capi_driver *driver) { unsigned long flags; @@ -490,6 +552,13 @@ void register_capi_driver(struct capi_driver *driver) EXPORT_SYMBOL(register_capi_driver); +/** + * unregister_capi_driver() - unregister CAPI driver + * @driver: driver descriptor structure. + * + * Called by hardware driver to unregister itself from the CAPI subsystem. + */ + void unregister_capi_driver(struct capi_driver *driver) { unsigned long flags; @@ -505,6 +574,13 @@ EXPORT_SYMBOL(unregister_capi_driver); /* -------- CAPI2.0 Interface ---------------------------------- */ /* ------------------------------------------------------------- */ +/** + * capi20_isinstalled() - CAPI 2.0 operation CAPI_INSTALLED + * + * Return value: CAPI result code (CAPI_NOERROR if at least one ISDN controller + * is ready for use, CAPI_REGNOTINSTALLED otherwise) + */ + u16 capi20_isinstalled(void) { int i; @@ -517,6 +593,18 @@ u16 capi20_isinstalled(void) EXPORT_SYMBOL(capi20_isinstalled); +/** + * capi20_register() - CAPI 2.0 operation CAPI_REGISTER + * @ap: CAPI application descriptor structure. + * + * Register an application's presence with CAPI. + * A unique application ID is assigned and stored in @ap->applid. + * After this function returns successfully, the message receive + * callback function @ap->recv_message() may be called at any time + * until capi20_release() has been called for the same @ap. + * Return value: CAPI result code + */ + u16 capi20_register(struct capi20_appl *ap) { int i; @@ -571,6 +659,16 @@ u16 capi20_register(struct capi20_appl *ap) EXPORT_SYMBOL(capi20_register); +/** + * capi20_release() - CAPI 2.0 operation CAPI_RELEASE + * @ap: CAPI application descriptor structure. + * + * Terminate an application's registration with CAPI. + * After this function returns successfully, the message receive + * callback function @ap->recv_message() will no longer be called. + * Return value: CAPI result code + */ + u16 capi20_release(struct capi20_appl *ap) { int i; @@ -603,6 +701,15 @@ u16 capi20_release(struct capi20_appl *ap) EXPORT_SYMBOL(capi20_release); +/** + * capi20_put_message() - CAPI 2.0 operation CAPI_PUT_MESSAGE + * @ap: CAPI application descriptor structure. + * @skb: CAPI message. + * + * Transfer a single message to CAPI. + * Return value: CAPI result code + */ + u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb) { struct capi_ctr *card; @@ -668,6 +775,16 @@ u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb) EXPORT_SYMBOL(capi20_put_message); +/** + * capi20_get_manufacturer() - CAPI 2.0 operation CAPI_GET_MANUFACTURER + * @contr: controller number. + * @buf: result buffer (64 bytes). + * + * Retrieve information about the manufacturer of the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_manufacturer(u32 contr, u8 *buf) { struct capi_ctr *card; @@ -685,6 +802,16 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf) EXPORT_SYMBOL(capi20_get_manufacturer); +/** + * capi20_get_version() - CAPI 2.0 operation CAPI_GET_VERSION + * @contr: controller number. + * @verp: result structure. + * + * Retrieve version information for the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_version(u32 contr, struct capi_version *verp) { struct capi_ctr *card; @@ -703,6 +830,16 @@ u16 capi20_get_version(u32 contr, struct capi_version *verp) EXPORT_SYMBOL(capi20_get_version); +/** + * capi20_get_serial() - CAPI 2.0 operation CAPI_GET_SERIAL_NUMBER + * @contr: controller number. + * @serial: result buffer (8 bytes). + * + * Retrieve the serial number of the specified ISDN controller + * or (for @contr == 0) the driver itself. + * Return value: CAPI result code + */ + u16 capi20_get_serial(u32 contr, u8 *serial) { struct capi_ctr *card; @@ -721,6 +858,16 @@ u16 capi20_get_serial(u32 contr, u8 *serial) EXPORT_SYMBOL(capi20_get_serial); +/** + * capi20_get_profile() - CAPI 2.0 operation CAPI_GET_PROFILE + * @contr: controller number. + * @profp: result structure. + * + * Retrieve capability information for the specified ISDN controller + * or (for @contr == 0) the number of installed controllers. + * Return value: CAPI result code + */ + u16 capi20_get_profile(u32 contr, struct capi_profile *profp) { struct capi_ctr *card; @@ -903,6 +1050,15 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data) } #endif +/** + * capi20_manufacturer() - CAPI 2.0 operation CAPI_MANUFACTURER + * @cmd: command. + * @data: parameter. + * + * Perform manufacturer specific command. + * Return value: CAPI result code + */ + int capi20_manufacturer(unsigned int cmd, void __user *data) { struct capi_ctr *card; @@ -981,6 +1137,21 @@ int capi20_manufacturer(unsigned int cmd, void __user *data) EXPORT_SYMBOL(capi20_manufacturer); /* temporary hack */ + +/** + * capi20_set_callback() - set CAPI application notification callback function + * @ap: CAPI application descriptor structure. + * @callback: callback function (NULL to remove). + * + * If not NULL, the callback function will be called to notify the + * application of the addition or removal of a controller. + * The first argument (cmd) will tell whether the controller was added + * (KCI_CONTRUP) or removed (KCI_CONTRDOWN). + * The second argument (contr) will be the controller number. + * For cmd==KCI_CONTRUP the third argument (data) will be a pointer to the + * new controller's capability profile structure. + */ + void capi20_set_callback(struct capi20_appl *ap, void (*callback) (unsigned int cmd, __u32 contr, void *data)) { diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c index b171e75cb52..29808c4fb1c 100644 --- a/drivers/isdn/gigaset/isocdata.c +++ b/drivers/isdn/gigaset/isocdata.c @@ -175,7 +175,7 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size) return -EINVAL; } src = iwb->read; - if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD || + if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD || (read < src && limit >= src))) { pr_err("isoc write buffer frame reservation violated\n"); return -EFAULT; diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index ac8a4a3741b..af92a176697 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -158,7 +158,8 @@ void free_interrupts(void); /* segments.c: */ void setup_default_gdt_entries(struct lguest_ro_state *state); void setup_guest_gdt(struct lg_cpu *cpu); -void load_guest_gdt(struct lg_cpu *cpu, unsigned long table, u32 num); +void load_guest_gdt_entry(struct lg_cpu *cpu, unsigned int i, + u32 low, u32 hi); void guest_load_tls(struct lg_cpu *cpu, unsigned long tls_array); void copy_gdt(const struct lg_cpu *cpu, struct desc_struct *gdt); void copy_gdt_tls(const struct lg_cpu *cpu, struct desc_struct *gdt); diff --git a/drivers/lguest/segments.c b/drivers/lguest/segments.c index 4f15439b7f1..7ede64ffeef 100644 --- a/drivers/lguest/segments.c +++ b/drivers/lguest/segments.c @@ -144,18 +144,19 @@ void copy_gdt(const struct lg_cpu *cpu, struct desc_struct *gdt) gdt[i] = cpu->arch.gdt[i]; } -/*H:620 This is where the Guest asks us to load a new GDT (LHCALL_LOAD_GDT). - * We copy it from the Guest and tweak the entries. */ -void load_guest_gdt(struct lg_cpu *cpu, unsigned long table, u32 num) +/*H:620 This is where the Guest asks us to load a new GDT entry + * (LHCALL_LOAD_GDT_ENTRY). We tweak the entry and copy it in. */ +void load_guest_gdt_entry(struct lg_cpu *cpu, u32 num, u32 lo, u32 hi) { /* We assume the Guest has the same number of GDT entries as the * Host, otherwise we'd have to dynamically allocate the Guest GDT. */ if (num > ARRAY_SIZE(cpu->arch.gdt)) kill_guest(cpu, "too many gdt entries %i", num); - /* We read the whole thing in, then fix it up. */ - __lgread(cpu, cpu->arch.gdt, table, num * sizeof(cpu->arch.gdt[0])); - fixup_gdt_table(cpu, 0, ARRAY_SIZE(cpu->arch.gdt)); + /* Set it up, then fix it. */ + cpu->arch.gdt[num].a = lo; + cpu->arch.gdt[num].b = hi; + fixup_gdt_table(cpu, num, num+1); /* Mark that the GDT changed so the core knows it has to copy it again, * even if the Guest is run on the same CPU. */ cpu->changed |= CHANGED_GDT; diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index a6b717644be..eaf722fe309 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -324,6 +324,11 @@ static void rewrite_hypercall(struct lg_cpu *cpu) u8 insn[3] = {0xcd, 0x1f, 0x90}; __lgwrite(cpu, guest_pa(cpu, cpu->regs->eip), insn, sizeof(insn)); + /* The above write might have caused a copy of that page to be made + * (if it was read-only). We need to make sure the Guest has + * up-to-date pagetables. As this doesn't happen often, we can just + * drop them all. */ + guest_pagetable_clear_all(cpu); } static bool is_hypercall(struct lg_cpu *cpu) @@ -353,6 +358,16 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) if (emulate_insn(cpu)) return; } + /* If KVM is active, the vmcall instruction triggers a + * General Protection Fault. Normally it triggers an + * invalid opcode fault (6): */ + case 6: + /* We need to check if ring == GUEST_PL and + * faulting instruction == vmcall. */ + if (is_hypercall(cpu)) { + rewrite_hypercall(cpu); + return; + } break; case 14: /* We've intercepted a Page Fault. */ /* The Guest accessed a virtual address that wasn't mapped. @@ -398,15 +413,6 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) * up the pointer now to indicate a hypercall is pending. */ cpu->hcall = (struct hcall_args *)cpu->regs; return; - case 6: - /* kvm hypercalls trigger an invalid opcode fault (6). - * We need to check if ring == GUEST_PL and - * faulting instruction == vmcall. */ - if (is_hypercall(cpu)) { - rewrite_hypercall(cpu); - return; - } - break; } /* We didn't handle the trap, so it needs to go to the Guest. */ @@ -563,8 +569,8 @@ void __exit lguest_arch_host_fini(void) int lguest_arch_do_hcall(struct lg_cpu *cpu, struct hcall_args *args) { switch (args->arg0) { - case LHCALL_LOAD_GDT: - load_guest_gdt(cpu, args->arg1, args->arg2); + case LHCALL_LOAD_GDT_ENTRY: + load_guest_gdt_entry(cpu, args->arg1, args->arg2, args->arg3); break; case LHCALL_LOAD_IDT_ENTRY: load_guest_idt_entry(cpu, args->arg1, args->arg2, args->arg3); diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index 173cf55c64d..3d906833948 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -123,7 +123,7 @@ config PMAC_APM_EMU config PMAC_MEDIABAY bool "Support PowerBook hotswap media bay" - depends on PPC_PMAC && PPC32 + depends on PPC_PMAC && PPC32 && BLOCK help This option adds support for older PowerBook's hotswap media bay that can contains batteries, floppy drives, or IDE devices. PCI diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index eca55ef185b..029ad8ce8a7 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -446,6 +446,7 @@ int check_media_bay_by_base(unsigned long base, int what) return -ENODEV; } +EXPORT_SYMBOL_GPL(check_media_bay_by_base); int media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base, int irq, ide_hwif_t *hwif) @@ -485,6 +486,7 @@ int media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base, return -ENODEV; } +EXPORT_SYMBOL_GPL(media_bay_set_ide_infos); #endif /* CONFIG_BLK_DEV_IDE_PMAC */ static void media_bay_step(int i) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index f8a9f7ab2cb..56df1cee8fb 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -986,6 +986,9 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) oldindex = index; oldpage = page; + bitmap->filemap[bitmap->file_pages++] = page; + bitmap->last_page_size = count; + if (outofdate) { /* * if bitmap is out of date, dirty the @@ -998,15 +1001,9 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) write_page(bitmap, page, 1); ret = -EIO; - if (bitmap->flags & BITMAP_WRITE_ERROR) { - /* release, page not in filemap yet */ - put_page(page); + if (bitmap->flags & BITMAP_WRITE_ERROR) goto err; - } } - - bitmap->filemap[bitmap->file_pages++] = page; - bitmap->last_page_size = count; } paddr = kmap_atomic(page, KM_USER0); if (bitmap->flags & BITMAP_HOSTENDIAN) @@ -1016,9 +1013,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) kunmap_atomic(paddr, KM_USER0); if (b) { /* if the disk bit is set, set the memory bit */ - bitmap_set_memory_bits(bitmap, i << CHUNK_BLOCK_SHIFT(bitmap), - ((i+1) << (CHUNK_BLOCK_SHIFT(bitmap)) >= start) - ); + int needed = ((sector_t)(i+1) << (CHUNK_BLOCK_SHIFT(bitmap)) + >= start); + bitmap_set_memory_bits(bitmap, + (sector_t)i << CHUNK_BLOCK_SHIFT(bitmap), + needed); bit_cnt++; set_page_attr(bitmap, page, BITMAP_PAGE_CLEAN); } @@ -1098,14 +1097,12 @@ void bitmap_daemon_work(struct bitmap *bitmap) } bitmap->allclean = 1; + spin_lock_irqsave(&bitmap->lock, flags); for (j = 0; j < bitmap->chunks; j++) { bitmap_counter_t *bmc; - spin_lock_irqsave(&bitmap->lock, flags); - if (!bitmap->filemap) { + if (!bitmap->filemap) /* error or shutdown */ - spin_unlock_irqrestore(&bitmap->lock, flags); break; - } page = filemap_get_page(bitmap, j); @@ -1122,6 +1119,8 @@ void bitmap_daemon_work(struct bitmap *bitmap) write_page(bitmap, page, 0); bitmap->allclean = 0; } + spin_lock_irqsave(&bitmap->lock, flags); + j |= (PAGE_BITS - 1); continue; } @@ -1154,8 +1153,9 @@ void bitmap_daemon_work(struct bitmap *bitmap) spin_lock_irqsave(&bitmap->lock, flags); clear_page_attr(bitmap, page, BITMAP_PAGE_CLEAN); } - bmc = bitmap_get_counter(bitmap, j << CHUNK_BLOCK_SHIFT(bitmap), - &blocks, 0); + bmc = bitmap_get_counter(bitmap, + (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap), + &blocks, 0); if (bmc) { /* if (j < 100) printk("bitmap: j=%lu, *bmc = 0x%x\n", j, *bmc); @@ -1169,7 +1169,8 @@ void bitmap_daemon_work(struct bitmap *bitmap) } else if (*bmc == 1) { /* we can clear the bit */ *bmc = 0; - bitmap_count_page(bitmap, j << CHUNK_BLOCK_SHIFT(bitmap), + bitmap_count_page(bitmap, + (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap), -1); /* clear the bit */ @@ -1180,9 +1181,10 @@ void bitmap_daemon_work(struct bitmap *bitmap) ext2_clear_bit(file_page_offset(j), paddr); kunmap_atomic(paddr, KM_USER0); } - } - spin_unlock_irqrestore(&bitmap->lock, flags); + } else + j |= PAGE_COUNTER_MASK; } + spin_unlock_irqrestore(&bitmap->lock, flags); /* now sync the final page */ if (lastpage != NULL) { @@ -1479,6 +1481,7 @@ void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector) s += blocks; } bitmap->last_end_sync = jiffies; + sysfs_notify(&bitmap->mddev->kobj, NULL, "sync_completed"); } static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed) @@ -1513,7 +1516,7 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e) unsigned long chunk; for (chunk = s; chunk <= e; chunk++) { - sector_t sec = chunk << CHUNK_BLOCK_SHIFT(bitmap); + sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap); bitmap_set_memory_bits(bitmap, sec, 1); bitmap_file_set_bit(bitmap, sec); } @@ -1589,7 +1592,7 @@ void bitmap_destroy(mddev_t *mddev) int bitmap_create(mddev_t *mddev) { struct bitmap *bitmap; - unsigned long blocks = mddev->resync_max_sectors; + sector_t blocks = mddev->resync_max_sectors; unsigned long chunks; unsigned long pages; struct file *file = mddev->bitmap_file; @@ -1631,8 +1634,8 @@ int bitmap_create(mddev_t *mddev) bitmap->chunkshift = ffz(~bitmap->chunksize); /* now that chunksize and chunkshift are set, we can use these macros */ - chunks = (blocks + CHUNK_BLOCK_RATIO(bitmap) - 1) / - CHUNK_BLOCK_RATIO(bitmap); + chunks = (blocks + CHUNK_BLOCK_RATIO(bitmap) - 1) >> + CHUNK_BLOCK_SHIFT(bitmap); pages = (chunks + PAGE_COUNTER_RATIO - 1) / PAGE_COUNTER_RATIO; BUG_ON(!pages); diff --git a/drivers/md/md.c b/drivers/md/md.c index ed5727c089a..641b211fe3f 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1375,6 +1375,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev) sb->raid_disks = cpu_to_le32(mddev->raid_disks); sb->size = cpu_to_le64(mddev->dev_sectors); + sb->chunksize = cpu_to_le32(mddev->chunk_size >> 9); + sb->level = cpu_to_le32(mddev->level); + sb->layout = cpu_to_le32(mddev->layout); if (mddev->bitmap && mddev->bitmap_file == NULL) { sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset); @@ -2017,6 +2020,8 @@ repeat: clear_bit(MD_CHANGE_PENDING, &mddev->flags); spin_unlock_irq(&mddev->write_lock); wake_up(&mddev->sb_wait); + if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } @@ -2086,6 +2091,7 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len) * -writemostly - clears write_mostly * blocked - sets the Blocked flag * -blocked - clears the Blocked flag + * insync - sets Insync providing device isn't active */ int err = -EINVAL; if (cmd_match(buf, "faulty") && rdev->mddev->pers) { @@ -2118,6 +2124,9 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len) md_wakeup_thread(rdev->mddev->thread); err = 0; + } else if (cmd_match(buf, "insync") && rdev->raid_disk == -1) { + set_bit(In_sync, &rdev->flags); + err = 0; } if (!err && rdev->sysfs_state) sysfs_notify_dirent(rdev->sysfs_state); @@ -2190,7 +2199,7 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len) } else if (rdev->mddev->pers) { mdk_rdev_t *rdev2; /* Activating a spare .. or possibly reactivating - * if we every get bitmaps working here. + * if we ever get bitmaps working here. */ if (rdev->raid_disk != -1) @@ -3060,11 +3069,8 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len) } else err = -EBUSY; spin_unlock_irq(&mddev->write_lock); - } else { - mddev->ro = 0; - mddev->recovery_cp = MaxSector; - err = do_md_run(mddev); - } + } else + err = -EINVAL; break; case active: if (mddev->pers) { @@ -3300,7 +3306,9 @@ static ssize_t action_show(mddev_t *mddev, char *page) { char *type = "idle"; - if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || + if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)) + type = "frozen"; + else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || (!mddev->ro && test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))) { if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery)) type = "reshape"; @@ -3323,7 +3331,12 @@ action_store(mddev_t *mddev, const char *page, size_t len) if (!mddev->pers || !mddev->pers->sync_request) return -EINVAL; - if (cmd_match(page, "idle")) { + if (cmd_match(page, "frozen")) + set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + else + clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + + if (cmd_match(page, "idle") || cmd_match(page, "frozen")) { if (mddev->sync_thread) { set_bit(MD_RECOVERY_INTR, &mddev->recovery); md_unregister_thread(mddev->sync_thread); @@ -3482,12 +3495,15 @@ sync_completed_show(mddev_t *mddev, char *page) { unsigned long max_sectors, resync; + if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + return sprintf(page, "none\n"); + if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) max_sectors = mddev->resync_max_sectors; else max_sectors = mddev->dev_sectors; - resync = (mddev->curr_resync - atomic_read(&mddev->recovery_active)); + resync = mddev->curr_resync_completed; return sprintf(page, "%lu / %lu\n", resync, max_sectors); } @@ -3674,7 +3690,7 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len) if (strict_blocks_to_sectors(buf, §ors) < 0) return -EINVAL; if (mddev->pers && mddev->pers->size(mddev, 0, 0) < sectors) - return -EINVAL; + return -E2BIG; mddev->external_size = 1; } @@ -4288,6 +4304,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) { int err = 0; struct gendisk *disk = mddev->gendisk; + mdk_rdev_t *rdev; if (atomic_read(&mddev->openers) > is_open) { printk("md: %s still in use.\n",mdname(mddev)); @@ -4330,6 +4347,13 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) /* tell userspace to handle 'inactive' */ sysfs_notify_dirent(mddev->sysfs_state); + list_for_each_entry(rdev, &mddev->disks, same_set) + if (rdev->raid_disk >= 0) { + char nm[20]; + sprintf(nm, "rd%d", rdev->raid_disk); + sysfs_remove_link(&mddev->kobj, nm); + } + set_capacity(disk, 0); mddev->changed = 1; @@ -4350,7 +4374,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) * Free resources if final stop */ if (mode == 0) { - mdk_rdev_t *rdev; printk(KERN_INFO "md: %s stopped.\n", mdname(mddev)); @@ -4362,13 +4385,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) } mddev->bitmap_offset = 0; - list_for_each_entry(rdev, &mddev->disks, same_set) - if (rdev->raid_disk >= 0) { - char nm[20]; - sprintf(nm, "rd%d", rdev->raid_disk); - sysfs_remove_link(&mddev->kobj, nm); - } - /* make sure all md_delayed_delete calls have finished */ flush_scheduled_work(); @@ -5551,7 +5567,7 @@ static struct block_device_operations md_fops = .owner = THIS_MODULE, .open = md_open, .release = md_release, - .locked_ioctl = md_ioctl, + .ioctl = md_ioctl, .getgeo = md_getgeo, .media_changed = md_media_changed, .revalidate_disk= md_revalidate, @@ -5696,37 +5712,38 @@ static void status_unused(struct seq_file *seq) static void status_resync(struct seq_file *seq, mddev_t * mddev) { - sector_t max_blocks, resync, res; - unsigned long dt, db, rt; + sector_t max_sectors, resync, res; + unsigned long dt, db; + sector_t rt; int scale; unsigned int per_milli; - resync = (mddev->curr_resync - atomic_read(&mddev->recovery_active))/2; + resync = mddev->curr_resync - atomic_read(&mddev->recovery_active); if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) - max_blocks = mddev->resync_max_sectors >> 1; + max_sectors = mddev->resync_max_sectors; else - max_blocks = mddev->dev_sectors / 2; + max_sectors = mddev->dev_sectors; /* * Should not happen. */ - if (!max_blocks) { + if (!max_sectors) { MD_BUG(); return; } /* Pick 'scale' such that (resync>>scale)*1000 will fit - * in a sector_t, and (max_blocks>>scale) will fit in a + * in a sector_t, and (max_sectors>>scale) will fit in a * u32, as those are the requirements for sector_div. * Thus 'scale' must be at least 10 */ scale = 10; if (sizeof(sector_t) > sizeof(unsigned long)) { - while ( max_blocks/2 > (1ULL<<(scale+32))) + while ( max_sectors/2 > (1ULL<<(scale+32))) scale++; } res = (resync>>scale)*1000; - sector_div(res, (u32)((max_blocks>>scale)+1)); + sector_div(res, (u32)((max_sectors>>scale)+1)); per_milli = res; { @@ -5747,25 +5764,35 @@ static void status_resync(struct seq_file *seq, mddev_t * mddev) (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) ? "resync" : "recovery"))), per_milli/10, per_milli % 10, - (unsigned long long) resync, - (unsigned long long) max_blocks); + (unsigned long long) resync/2, + (unsigned long long) max_sectors/2); /* - * We do not want to overflow, so the order of operands and - * the * 100 / 100 trick are important. We do a +1 to be - * safe against division by zero. We only estimate anyway. - * * dt: time from mark until now * db: blocks written from mark until now * rt: remaining time + * + * rt is a sector_t, so could be 32bit or 64bit. + * So we divide before multiply in case it is 32bit and close + * to the limit. + * We scale the divisor (db) by 32 to avoid loosing precision + * near the end of resync when the number of remaining sectors + * is close to 'db'. + * We then divide rt by 32 after multiplying by db to compensate. + * The '+1' avoids division by zero if db is very small. */ dt = ((jiffies - mddev->resync_mark) / HZ); if (!dt) dt++; db = (mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active)) - mddev->resync_mark_cnt; - rt = (dt * ((unsigned long)(max_blocks-resync) / (db/2/100+1)))/100; - seq_printf(seq, " finish=%lu.%lumin", rt / 60, (rt % 60)/6); + rt = max_sectors - resync; /* number of remaining sectors */ + sector_div(rt, db/32+1); + rt *= dt; + rt >>= 5; + + seq_printf(seq, " finish=%lu.%lumin", (unsigned long)rt / 60, + ((unsigned long)rt % 60)/6); seq_printf(seq, " speed=%ldK/sec", db/2/dt); } @@ -5956,7 +5983,7 @@ static int md_seq_show(struct seq_file *seq, void *v) return 0; } -static struct seq_operations md_seq_ops = { +static const struct seq_operations md_seq_ops = { .start = md_seq_start, .next = md_seq_next, .stop = md_seq_stop, @@ -6334,18 +6361,14 @@ void md_do_sync(mddev_t *mddev) sector_t sectors; skipped = 0; - if (j >= mddev->resync_max) { - sysfs_notify(&mddev->kobj, NULL, "sync_completed"); - wait_event(mddev->recovery_wait, - mddev->resync_max > j - || kthread_should_stop()); - } - if (kthread_should_stop()) - goto interrupted; - if (mddev->curr_resync > mddev->curr_resync_completed && - (mddev->curr_resync - mddev->curr_resync_completed) - > (max_sectors >> 4)) { + if (!test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && + ((mddev->curr_resync > mddev->curr_resync_completed && + (mddev->curr_resync - mddev->curr_resync_completed) + > (max_sectors >> 4)) || + (j - mddev->curr_resync_completed)*2 + >= mddev->resync_max - mddev->curr_resync_completed + )) { /* time to update curr_resync_completed */ blk_unplug(mddev->queue); wait_event(mddev->recovery_wait, @@ -6353,7 +6376,17 @@ void md_do_sync(mddev_t *mddev) mddev->curr_resync_completed = mddev->curr_resync; set_bit(MD_CHANGE_CLEAN, &mddev->flags); + sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } + + if (j >= mddev->resync_max) + wait_event(mddev->recovery_wait, + mddev->resync_max > j + || kthread_should_stop()); + + if (kthread_should_stop()) + goto interrupted; + sectors = mddev->pers->sync_request(mddev, j, &skipped, currspeed < speed_min(mddev)); if (sectors == 0) { @@ -6461,6 +6494,7 @@ void md_do_sync(mddev_t *mddev) skip: mddev->curr_resync = 0; + mddev->curr_resync_completed = 0; mddev->resync_min = 0; mddev->resync_max = MaxSector; sysfs_notify(&mddev->kobj, NULL, "sync_completed"); diff --git a/drivers/md/md.h b/drivers/md/md.h index e9b7f54c24d..8227ab909d4 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -12,10 +12,17 @@ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#ifndef _MD_K_H -#define _MD_K_H - -#ifdef CONFIG_BLOCK +#ifndef _MD_MD_H +#define _MD_MD_H + +#include <linux/blkdev.h> +#include <linux/kobject.h> +#include <linux/list.h> +#include <linux/mm.h> +#include <linux/mutex.h> +#include <linux/timer.h> +#include <linux/wait.h> +#include <linux/workqueue.h> #define MaxSector (~(sector_t)0) @@ -408,10 +415,6 @@ static inline void safe_put_page(struct page *p) if (p) put_page(p); } -#endif /* CONFIG_BLOCK */ -#endif - - extern int register_md_personality(struct mdk_personality *p); extern int unregister_md_personality(struct mdk_personality *p); extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev), @@ -434,3 +437,5 @@ extern void md_new_event(mddev_t *mddev); extern int md_allow_write(mddev_t *mddev); extern void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev); extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors); + +#endif /* _MD_MD_H */ diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 81a54f17417..499620afb44 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1809,17 +1809,17 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i r10_bio->sector = sect; raid10_find_phys(conf, r10_bio); - /* Need to check if this section will still be + + /* Need to check if the array will still be * degraded */ - for (j=0; j<conf->copies;j++) { - int d = r10_bio->devs[j].devnum; - if (conf->mirrors[d].rdev == NULL || - test_bit(Faulty, &conf->mirrors[d].rdev->flags)) { + for (j=0; j<conf->raid_disks; j++) + if (conf->mirrors[j].rdev == NULL || + test_bit(Faulty, &conf->mirrors[j].rdev->flags)) { still_degraded = 1; break; } - } + must_sync = bitmap_start_sync(mddev->bitmap, sect, &sync_blocks, still_degraded); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 3bbc6d64704..5d400aef8d9 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3811,13 +3811,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped safepos = conf->reshape_safe; sector_div(safepos, data_disks); if (mddev->delta_disks < 0) { - writepos -= reshape_sectors; + writepos -= min_t(sector_t, reshape_sectors, writepos); readpos += reshape_sectors; safepos += reshape_sectors; } else { writepos += reshape_sectors; - readpos -= reshape_sectors; - safepos -= reshape_sectors; + readpos -= min_t(sector_t, reshape_sectors, readpos); + safepos -= min_t(sector_t, reshape_sectors, safepos); } /* 'writepos' is the most advanced device address we might write. @@ -3845,6 +3845,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped wait_event(conf->wait_for_overlap, atomic_read(&conf->reshape_stripes)==0); mddev->reshape_position = conf->reshape_progress; + mddev->curr_resync_completed = mddev->curr_resync; conf->reshape_checkpoint = jiffies; set_bit(MD_CHANGE_DEVS, &mddev->flags); md_wakeup_thread(mddev->thread); @@ -3854,6 +3855,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped conf->reshape_safe = mddev->reshape_position; spin_unlock_irq(&conf->device_lock); wake_up(&conf->wait_for_overlap); + sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } if (mddev->delta_disks < 0) { @@ -3938,11 +3940,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped * then we need to write out the superblock. */ sector_nr += reshape_sectors; - if (sector_nr >= mddev->resync_max) { + if ((sector_nr - mddev->curr_resync_completed) * 2 + >= mddev->resync_max - mddev->curr_resync_completed) { /* Cannot proceed until we've updated the superblock... */ wait_event(conf->wait_for_overlap, atomic_read(&conf->reshape_stripes) == 0); mddev->reshape_position = conf->reshape_progress; + mddev->curr_resync_completed = mddev->curr_resync; conf->reshape_checkpoint = jiffies; set_bit(MD_CHANGE_DEVS, &mddev->flags); md_wakeup_thread(mddev->thread); @@ -3953,6 +3957,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped conf->reshape_safe = mddev->reshape_position; spin_unlock_irq(&conf->device_lock); wake_up(&conf->wait_for_overlap); + sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } return reshape_sectors; } diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 1dba8f0832a..5cf6c45b91f 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -153,7 +153,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000; v->rangelow = RSF16_MINFREQ / mult; v->rangehigh = RSF16_MAXFREQ / mult; - v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO; + v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; v->capability = fmi->flags & V4L2_TUNER_CAP_LOW; v->audmode = V4L2_TUNER_MODE_STEREO; v->signal = fmi_getsigstr(fmi); diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index c09ca8600ea..935ff9bcdfc 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -233,7 +233,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, mult = (fmr2->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000; v->rangelow = RSF16_MINFREQ / mult; v->rangehigh = RSF16_MAXFREQ / mult; - v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO; + v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; v->capability = fmr2->flags&V4L2_TUNER_CAP_LOW; v->audmode = fmr2->stereo ? V4L2_TUNER_MODE_STEREO: V4L2_TUNER_MODE_MONO; diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 92c297796a9..bd945d04dc9 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -1200,7 +1200,7 @@ static int si470x_fops_release(struct file *file) video_unregister_device(radio->videodev); kfree(radio->buffer); kfree(radio); - goto unlock; + goto done; } /* stop rds reception */ diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c index 4cee0b92eee..a1e4c0d769a 100644 --- a/drivers/media/video/au0828/au0828-core.c +++ b/drivers/media/video/au0828/au0828-core.c @@ -192,8 +192,6 @@ static int au0828_usb_probe(struct usb_interface *interface, dev->usbdev = usbdev; dev->boardnr = id->driver_info; - usb_set_intfdata(interface, dev); - /* Create the v4l2_device */ retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); if (retval) { @@ -222,6 +220,10 @@ static int au0828_usb_probe(struct usb_interface *interface, /* Digital TV */ au0828_dvb_register(dev); + /* Store the pointer to the au0828_dev so it can be accessed in + au0828_usb_disconnect */ + usb_set_intfdata(interface, dev); + printk(KERN_INFO "Registered device AU0828 [%s]\n", dev->board.name == NULL ? "Unset" : dev->board.name); diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index 5f582726985..c4d181dde1c 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -774,6 +774,7 @@ static int cafe_cam_init(struct cafe_camera *cam) ret = __cafe_cam_reset(cam); if (ret) goto out; + chip.ident = V4L2_IDENT_NONE; chip.match.type = V4L2_CHIP_MATCH_I2C_ADDR; chip.match.addr = cam->sensor_addr; ret = sensor_call(cam, core, g_chip_ident, &chip); diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c index 1519e91c677..7a8ad5963de 100644 --- a/drivers/media/video/cx18/cx18-audio.c +++ b/drivers/media/video/cx18/cx18-audio.c @@ -44,7 +44,7 @@ int cx18_audio_set_io(struct cx18 *cx) /* handle muxer chips */ v4l2_subdev_call(cx->sd_extmux, audio, s_routing, - in->audio_input, 0, 0); + (u32) in->muxer_input, 0, 0); err = cx18_call_hw_err(cx, cx->card->hw_audio_ctrl, audio, s_routing, in->audio_input, 0, 0); diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c index b9b7064a2be..8591e4fc359 100644 --- a/drivers/media/video/cx18/cx18-i2c.c +++ b/drivers/media/video/cx18/cx18-i2c.c @@ -211,7 +211,7 @@ static struct i2c_algo_bit_data cx18_i2c_algo_template = { /* init + register i2c algo-bit adapter */ int init_cx18_i2c(struct cx18 *cx) { - int i; + int i, err; CX18_DEBUG_I2C("i2c init\n"); for (i = 0; i < 2; i++) { @@ -268,8 +268,18 @@ int init_cx18_i2c(struct cx18 *cx) cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset, (u32) CX18_GPIO_RESET_I2C); - return i2c_bit_add_bus(&cx->i2c_adap[0]) || - i2c_bit_add_bus(&cx->i2c_adap[1]); + err = i2c_bit_add_bus(&cx->i2c_adap[0]); + if (err) + goto err; + err = i2c_bit_add_bus(&cx->i2c_adap[1]); + if (err) + goto err_del_bus_0; + return 0; + + err_del_bus_0: + i2c_del_adapter(&cx->i2c_adap[0]); + err: + return err; } void exit_cx18_i2c(struct cx18 *cx) diff --git a/drivers/media/video/cx231xx/Kconfig b/drivers/media/video/cx231xx/Kconfig index 91156546a07..477d4ab5e9a 100644 --- a/drivers/media/video/cx231xx/Kconfig +++ b/drivers/media/video/cx231xx/Kconfig @@ -1,12 +1,11 @@ config VIDEO_CX231XX - tristate "Conexant cx231xx USB video capture support" - depends on VIDEO_DEV && I2C && INPUT - select VIDEO_TUNER - select VIDEO_TVEEPROM - select VIDEO_IR - select VIDEOBUF_VMALLOC - select VIDEO_CX25840 - select VIDEO_CX231XX_ALSA + tristate "Conexant cx231xx USB video capture support" + depends on VIDEO_DEV && I2C && INPUT + select VIDEO_TUNER + select VIDEO_TVEEPROM + select VIDEO_IR + select VIDEOBUF_VMALLOC + select VIDEO_CX25840 ---help--- This is a video4linux driver for Conexant 231xx USB based TV cards. @@ -15,21 +14,22 @@ config VIDEO_CX231XX module will be called cx231xx config VIDEO_CX231XX_ALSA - tristate "Conexant Cx231xx ALSA audio module" - depends on VIDEO_CX231XX && SND - select SND_PCM + tristate "Conexant Cx231xx ALSA audio module" + depends on VIDEO_CX231XX && SND + select SND_PCM - ---help--- - This is an ALSA driver for Cx231xx USB based TV cards. + ---help--- + This is an ALSA driver for Cx231xx USB based TV cards. - To compile this driver as a module, choose M here: the - module will be called cx231xx-alsa + To compile this driver as a module, choose M here: the + module will be called cx231xx-alsa config VIDEO_CX231XX_DVB - tristate "DVB/ATSC Support for Cx231xx based TV cards" - depends on VIDEO_CX231XX && DVB_CORE - select VIDEOBUF_DVB - select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMISE - ---help--- - This adds support for DVB cards based on the - Conexant cx231xx chips. + tristate "DVB/ATSC Support for Cx231xx based TV cards" + depends on VIDEO_CX231XX && DVB_CORE + select VIDEOBUF_DVB + select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMISE + + ---help--- + This adds support for DVB cards based on the + Conexant cx231xx chips. diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index a3c0565be1a..6d6293f7d42 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -441,9 +441,9 @@ int cx23885_tuner_callback(void *priv, int component, int command, int arg) case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: /* Two identical tuners on two different i2c buses, * we need to reset the correct gpio. */ - if (port->nr == 0) + if (port->nr == 1) bitmask = 0x01; - else if (port->nr == 1) + else if (port->nr == 2) bitmask = 0x04; break; } diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index f48454ab390..1dc070da865 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -314,6 +314,7 @@ static struct zl10353_config dvico_fusionhdtv_xc3028 = { .demod_address = 0x0f, .if2 = 45600, .no_tuner = 1, + .disable_i2c_gate_ctrl = 1, }; static struct stv0900_config netup_stv0900_config = { @@ -471,7 +472,7 @@ static int dvb_register(struct cx23885_tsport *port) static struct xc2028_ctrl ctl = { .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, - .scode_table = XC3028_FE_OREN538, + .demod = XC3028_FE_OREN538, }; fe = dvb_attach(xc2028_attach, diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index b0195e8ee4d..db2ac9a99ac 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -305,14 +305,17 @@ int ivtv_waitq(wait_queue_head_t *waitq) /* Generic utility functions */ int ivtv_msleep_timeout(unsigned int msecs, int intr) { - int ret; int timeout = msecs_to_jiffies(msecs); do { set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); timeout = schedule_timeout(timeout); - if (intr && (ret = signal_pending(current))) - return ret; + if (intr) { + int ret = signal_pending(current); + + if (ret) + return ret; + } } while (timeout); return 0; } diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c index ceb05bdcaf6..85ac707228e 100644 --- a/drivers/media/video/ivtv/ivtv-gpio.c +++ b/drivers/media/video/ivtv/ivtv-gpio.c @@ -190,8 +190,8 @@ static int subdev_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) mask = itv->card->gpio_audio_detect.mask; if (mask == 0 || (read_reg(IVTV_REG_GPIO_IN) & mask)) - vt->rxsubchans = V4L2_TUNER_MODE_STEREO | - V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + vt->rxsubchans = V4L2_TUNER_SUB_STEREO | + V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; else vt->rxsubchans = V4L2_TUNER_SUB_MONO; return 0; diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 4a2d464f055..c342a9fe983 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -180,7 +180,7 @@ int ivtv_set_speed(struct ivtv *itv, int speed) /* Wait for any DMA to finish */ prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); - while (itv->i_flags & IVTV_F_I_DMA) { + while (test_bit(IVTV_F_I_DMA, &itv->i_flags)) { got_sig = signal_pending(current); if (got_sig) break; @@ -1710,7 +1710,8 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg) we are waiting unlock first and later lock again. */ mutex_unlock(&itv->serialize_lock); prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE); - if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0) + if (!test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags) && + !test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) schedule(); finish_wait(&itv->event_waitq, &wait); mutex_lock(&itv->serialize_lock); diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 01c14d2b381..cd9db0bf33b 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -196,7 +196,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA bytes_needed, s->name); return -1; } - if (rc && !s->buffers_stolen && (s->s_flags & IVTV_F_S_APPL_IO)) { + if (rc && !s->buffers_stolen && test_bit(IVTV_F_S_APPL_IO, &s->s_flags)) { IVTV_WARN("All %s stream buffers are full. Dropping data.\n", s->name); IVTV_WARN("Cause: the application is not reading fast enough.\n"); } diff --git a/drivers/media/video/ivtv/ivtv-queue.c b/drivers/media/video/ivtv/ivtv-queue.c index ff7b7deded4..7fde36e6d22 100644 --- a/drivers/media/video/ivtv/ivtv-queue.c +++ b/drivers/media/video/ivtv/ivtv-queue.c @@ -230,7 +230,8 @@ int ivtv_stream_alloc(struct ivtv_stream *s) return -ENOMEM; } if (ivtv_might_use_dma(s)) { - s->sg_handle = pci_map_single(itv->pdev, s->sg_dma, sizeof(struct ivtv_sg_element), s->dma); + s->sg_handle = pci_map_single(itv->pdev, s->sg_dma, + sizeof(struct ivtv_sg_element), PCI_DMA_TODEVICE); ivtv_stream_sync_for_cpu(s); } diff --git a/drivers/media/video/ivtv/ivtv-yuv.c b/drivers/media/video/ivtv/ivtv-yuv.c index 7912ed6b72e..c0875378acc 100644 --- a/drivers/media/video/ivtv/ivtv-yuv.c +++ b/drivers/media/video/ivtv/ivtv-yuv.c @@ -1063,7 +1063,8 @@ static int ivtv_yuv_udma_frame(struct ivtv *itv, struct ivtv_dma_frame *args) prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); /* if no UDMA is pending and no UDMA is in progress, then the DMA is finished */ - while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) { + while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) || + test_bit(IVTV_F_I_UDMA, &itv->i_flags)) { /* don't interrupt if the DMA is in progress but break off a still pending DMA. */ got_sig = signal_pending(current); diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index 66e6eb51307..fa6bb85cb4b 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -298,7 +298,8 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv, prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); /* if no UDMA is pending and no UDMA is in progress, then the DMA is finished */ - while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) { + while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) || + test_bit(IVTV_F_I_UDMA, &itv->i_flags)) { /* don't interrupt if the DMA is in progress but break off a still pending DMA. */ got_sig = signal_pending(current); diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index c462b811e99..2d0781118eb 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -1063,10 +1063,6 @@ static struct soc_camera_host_ops mx3_soc_camera_host_ops = { .owner = THIS_MODULE, .add = mx3_camera_add_device, .remove = mx3_camera_remove_device, -#ifdef CONFIG_PM - .suspend = mx3_camera_suspend, - .resume = mx3_camera_resume, -#endif .set_crop = mx3_camera_set_crop, .set_fmt = mx3_camera_set_fmt, .try_fmt = mx3_camera_try_fmt, diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index f9fbe02e0f6..50b415e07ed 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -159,35 +159,67 @@ static void pwc_set_image_buffer_size(struct pwc_device *pdev); /****************************************************************************/ +static int _send_control_msg(struct pwc_device *pdev, + u8 request, u16 value, int index, void *buf, int buflen, int timeout) +{ + int rc; + void *kbuf = NULL; + + if (buflen) { + kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */ + if (kbuf == NULL) + return -ENOMEM; + memcpy(kbuf, buf, buflen); + } -#define SendControlMsg(request, value, buflen) \ - usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0), \ - request, \ - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \ - value, \ - pdev->vcinterface, \ - &buf, buflen, 500) + rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0), + request, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, + index, + kbuf, buflen, timeout); -#define RecvControlMsg(request, value, buflen) \ - usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0), \ - request, \ - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \ - value, \ - pdev->vcinterface, \ - &buf, buflen, 500) + kfree(kbuf); + return rc; +} +static int recv_control_msg(struct pwc_device *pdev, + u8 request, u16 value, void *buf, int buflen) +{ + int rc; + void *kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */ + + if (kbuf == NULL) + return -ENOMEM; + + rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0), + request, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, + pdev->vcinterface, + kbuf, buflen, 500); + memcpy(buf, kbuf, buflen); + kfree(kbuf); + return rc; +} -static int send_video_command(struct usb_device *udev, int index, void *buf, int buflen) +static inline int send_video_command(struct pwc_device *pdev, + int index, void *buf, int buflen) { - return usb_control_msg(udev, - usb_sndctrlpipe(udev, 0), + return _send_control_msg(pdev, SET_EP_STREAM_CTL, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, VIDEO_OUTPUT_CONTROL_FORMATTER, index, buf, buflen, 1000); } +static inline int send_control_msg(struct pwc_device *pdev, + u8 request, u16 value, void *buf, int buflen) +{ + return _send_control_msg(pdev, + request, value, pdev->vcinterface, buf, buflen, 500); +} + static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames) @@ -224,7 +256,7 @@ static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames) return -EINVAL; memcpy(buf, pEntry->mode, 3); - ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 3); + ret = send_video_command(pdev, pdev->vendpoint, buf, 3); if (ret < 0) { PWC_DEBUG_MODULE("Failed to send video command... %d\n", ret); return ret; @@ -285,7 +317,7 @@ static int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, i memcpy(buf, pChoose->mode, 13); if (snapshot) buf[0] |= 0x80; - ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 13); + ret = send_video_command(pdev, pdev->vendpoint, buf, 13); if (ret < 0) return ret; @@ -358,7 +390,7 @@ static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, i buf[0] |= 0x80; /* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */ - ret = send_video_command(pdev->udev, 4 /* pdev->vendpoint */, buf, 12); + ret = send_video_command(pdev, 4 /* pdev->vendpoint */, buf, 12); if (ret < 0) return ret; @@ -530,7 +562,8 @@ int pwc_get_brightness(struct pwc_device *pdev) char buf; int ret; - ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; return buf; @@ -545,7 +578,8 @@ int pwc_set_brightness(struct pwc_device *pdev, int value) if (value > 0xffff) value = 0xffff; buf = (value >> 9) & 0x7f; - return SendControlMsg(SET_LUM_CTL, BRIGHTNESS_FORMATTER, 1); + return send_control_msg(pdev, + SET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf)); } /* CONTRAST */ @@ -555,7 +589,8 @@ int pwc_get_contrast(struct pwc_device *pdev) char buf; int ret; - ret = RecvControlMsg(GET_LUM_CTL, CONTRAST_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; return buf; @@ -570,7 +605,8 @@ int pwc_set_contrast(struct pwc_device *pdev, int value) if (value > 0xffff) value = 0xffff; buf = (value >> 10) & 0x3f; - return SendControlMsg(SET_LUM_CTL, CONTRAST_FORMATTER, 1); + return send_control_msg(pdev, + SET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf)); } /* GAMMA */ @@ -580,7 +616,8 @@ int pwc_get_gamma(struct pwc_device *pdev) char buf; int ret; - ret = RecvControlMsg(GET_LUM_CTL, GAMMA_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; return buf; @@ -595,7 +632,8 @@ int pwc_set_gamma(struct pwc_device *pdev, int value) if (value > 0xffff) value = 0xffff; buf = (value >> 11) & 0x1f; - return SendControlMsg(SET_LUM_CTL, GAMMA_FORMATTER, 1); + return send_control_msg(pdev, + SET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf)); } @@ -613,7 +651,8 @@ int pwc_get_saturation(struct pwc_device *pdev, int *value) saturation_register = SATURATION_MODE_FORMATTER2; else saturation_register = SATURATION_MODE_FORMATTER1; - ret = RecvControlMsg(GET_CHROM_CTL, saturation_register, 1); + ret = recv_control_msg(pdev, + GET_CHROM_CTL, saturation_register, &buf, sizeof(buf)); if (ret < 0) return ret; *value = (signed)buf; @@ -636,7 +675,8 @@ int pwc_set_saturation(struct pwc_device *pdev, int value) saturation_register = SATURATION_MODE_FORMATTER2; else saturation_register = SATURATION_MODE_FORMATTER1; - return SendControlMsg(SET_CHROM_CTL, saturation_register, 1); + return send_control_msg(pdev, + SET_CHROM_CTL, saturation_register, &buf, sizeof(buf)); } /* AGC */ @@ -651,7 +691,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value) else buf = 0xff; /* fixed */ - ret = SendControlMsg(SET_LUM_CTL, AGC_MODE_FORMATTER, 1); + ret = send_control_msg(pdev, + SET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf)); if (!mode && ret >= 0) { if (value < 0) @@ -659,7 +700,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value) if (value > 0xffff) value = 0xffff; buf = (value >> 10) & 0x3F; - ret = SendControlMsg(SET_LUM_CTL, PRESET_AGC_FORMATTER, 1); + ret = send_control_msg(pdev, + SET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf)); } if (ret < 0) return ret; @@ -671,12 +713,14 @@ int pwc_get_agc(struct pwc_device *pdev, int *value) unsigned char buf; int ret; - ret = RecvControlMsg(GET_LUM_CTL, AGC_MODE_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; if (buf != 0) { /* fixed */ - ret = RecvControlMsg(GET_LUM_CTL, PRESET_AGC_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; if (buf > 0x3F) @@ -684,7 +728,8 @@ int pwc_get_agc(struct pwc_device *pdev, int *value) *value = (buf << 10); } else { /* auto */ - ret = RecvControlMsg(GET_STATUS_CTL, READ_AGC_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_STATUS_CTL, READ_AGC_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; /* Gah... this value ranges from 0x00 ... 0x9F */ @@ -707,7 +752,8 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value) else buf[0] = 0xff; /* fixed */ - ret = SendControlMsg(SET_LUM_CTL, SHUTTER_MODE_FORMATTER, 1); + ret = send_control_msg(pdev, + SET_LUM_CTL, SHUTTER_MODE_FORMATTER, &buf, sizeof(buf)); if (!mode && ret >= 0) { if (value < 0) @@ -726,7 +772,9 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value) buf[0] = value >> 8; } - ret = SendControlMsg(SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, 2); + ret = send_control_msg(pdev, + SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, + &buf, sizeof(buf)); } return ret; } @@ -737,7 +785,8 @@ int pwc_get_shutter_speed(struct pwc_device *pdev, int *value) unsigned char buf[2]; int ret; - ret = RecvControlMsg(GET_STATUS_CTL, READ_SHUTTER_FORMATTER, 2); + ret = recv_control_msg(pdev, + GET_STATUS_CTL, READ_SHUTTER_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *value = buf[0] + (buf[1] << 8); @@ -764,7 +813,9 @@ int pwc_camera_power(struct pwc_device *pdev, int power) buf = 0x00; /* active */ else buf = 0xFF; /* power save */ - return SendControlMsg(SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, 1); + return send_control_msg(pdev, + SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, + &buf, sizeof(buf)); } @@ -773,20 +824,20 @@ int pwc_camera_power(struct pwc_device *pdev, int power) int pwc_restore_user(struct pwc_device *pdev) { - char buf; /* dummy */ - return SendControlMsg(SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, 0); + return send_control_msg(pdev, + SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, NULL, 0); } int pwc_save_user(struct pwc_device *pdev) { - char buf; /* dummy */ - return SendControlMsg(SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, 0); + return send_control_msg(pdev, + SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, NULL, 0); } int pwc_restore_factory(struct pwc_device *pdev) { - char buf; /* dummy */ - return SendControlMsg(SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, 0); + return send_control_msg(pdev, + SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, NULL, 0); } /* ************************************************* */ @@ -814,7 +865,8 @@ int pwc_set_awb(struct pwc_device *pdev, int mode) buf = mode & 0x07; /* just the lowest three bits */ - ret = SendControlMsg(SET_CHROM_CTL, WB_MODE_FORMATTER, 1); + ret = send_control_msg(pdev, + SET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; @@ -826,7 +878,8 @@ int pwc_get_awb(struct pwc_device *pdev) unsigned char buf; int ret; - ret = RecvControlMsg(GET_CHROM_CTL, WB_MODE_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; @@ -843,7 +896,9 @@ int pwc_set_red_gain(struct pwc_device *pdev, int value) value = 0xffff; /* only the msb is considered */ buf = value >> 8; - return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1); + return send_control_msg(pdev, + SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, + &buf, sizeof(buf)); } int pwc_get_red_gain(struct pwc_device *pdev, int *value) @@ -851,7 +906,9 @@ int pwc_get_red_gain(struct pwc_device *pdev, int *value) unsigned char buf; int ret; - ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, + &buf, sizeof(buf)); if (ret < 0) return ret; *value = buf << 8; @@ -869,7 +926,9 @@ int pwc_set_blue_gain(struct pwc_device *pdev, int value) value = 0xffff; /* only the msb is considered */ buf = value >> 8; - return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1); + return send_control_msg(pdev, + SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, + &buf, sizeof(buf)); } int pwc_get_blue_gain(struct pwc_device *pdev, int *value) @@ -877,7 +936,9 @@ int pwc_get_blue_gain(struct pwc_device *pdev, int *value) unsigned char buf; int ret; - ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, + &buf, sizeof(buf)); if (ret < 0) return ret; *value = buf << 8; @@ -894,7 +955,8 @@ static int pwc_read_red_gain(struct pwc_device *pdev, int *value) unsigned char buf; int ret; - ret = RecvControlMsg(GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *value = buf << 8; @@ -906,7 +968,8 @@ static int pwc_read_blue_gain(struct pwc_device *pdev, int *value) unsigned char buf; int ret; - ret = RecvControlMsg(GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *value = buf << 8; @@ -920,7 +983,8 @@ static int pwc_set_wb_speed(struct pwc_device *pdev, int speed) /* useful range is 0x01..0x20 */ buf = speed / 0x7f0; - return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1); + return send_control_msg(pdev, + SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf)); } static int pwc_get_wb_speed(struct pwc_device *pdev, int *value) @@ -928,7 +992,8 @@ static int pwc_get_wb_speed(struct pwc_device *pdev, int *value) unsigned char buf; int ret; - ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *value = buf * 0x7f0; @@ -942,7 +1007,8 @@ static int pwc_set_wb_delay(struct pwc_device *pdev, int delay) /* useful range is 0x01..0x3F */ buf = (delay >> 10); - return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1); + return send_control_msg(pdev, + SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf)); } static int pwc_get_wb_delay(struct pwc_device *pdev, int *value) @@ -950,7 +1016,8 @@ static int pwc_get_wb_delay(struct pwc_device *pdev, int *value) unsigned char buf; int ret; - ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *value = buf << 10; @@ -978,7 +1045,8 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value) buf[0] = on_value; buf[1] = off_value; - return SendControlMsg(SET_STATUS_CTL, LED_FORMATTER, 2); + return send_control_msg(pdev, + SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf)); } static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value) @@ -992,7 +1060,8 @@ static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value) return 0; } - ret = RecvControlMsg(GET_STATUS_CTL, LED_FORMATTER, 2); + ret = recv_control_msg(pdev, + GET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *on_value = buf[0] * 100; @@ -1009,7 +1078,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour) buf = 0xff; /* auto contour on */ else buf = 0x0; /* auto contour off */ - ret = SendControlMsg(SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1); + ret = send_control_msg(pdev, + SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; @@ -1019,7 +1089,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour) contour = 0xffff; buf = (contour >> 10); /* contour preset is [0..3f] */ - ret = SendControlMsg(SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1); + ret = send_control_msg(pdev, + SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; return 0; @@ -1030,13 +1101,16 @@ int pwc_get_contour(struct pwc_device *pdev, int *contour) unsigned char buf; int ret; - ret = RecvControlMsg(GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; if (buf == 0) { /* auto mode off, query current preset value */ - ret = RecvControlMsg(GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, + &buf, sizeof(buf)); if (ret < 0) return ret; *contour = buf << 10; @@ -1055,7 +1129,9 @@ int pwc_set_backlight(struct pwc_device *pdev, int backlight) buf = 0xff; else buf = 0x0; - return SendControlMsg(SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1); + return send_control_msg(pdev, + SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, + &buf, sizeof(buf)); } int pwc_get_backlight(struct pwc_device *pdev, int *backlight) @@ -1063,7 +1139,9 @@ int pwc_get_backlight(struct pwc_device *pdev, int *backlight) int ret; unsigned char buf; - ret = RecvControlMsg(GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, + &buf, sizeof(buf)); if (ret < 0) return ret; *backlight = !!buf; @@ -1078,7 +1156,8 @@ int pwc_set_colour_mode(struct pwc_device *pdev, int colour) buf = 0xff; else buf = 0x0; - return SendControlMsg(SET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1); + return send_control_msg(pdev, + SET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf)); } int pwc_get_colour_mode(struct pwc_device *pdev, int *colour) @@ -1086,7 +1165,8 @@ int pwc_get_colour_mode(struct pwc_device *pdev, int *colour) int ret; unsigned char buf; - ret = RecvControlMsg(GET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *colour = !!buf; @@ -1102,7 +1182,8 @@ int pwc_set_flicker(struct pwc_device *pdev, int flicker) buf = 0xff; else buf = 0x0; - return SendControlMsg(SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1); + return send_control_msg(pdev, + SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf)); } int pwc_get_flicker(struct pwc_device *pdev, int *flicker) @@ -1110,7 +1191,8 @@ int pwc_get_flicker(struct pwc_device *pdev, int *flicker) int ret; unsigned char buf; - ret = RecvControlMsg(GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; *flicker = !!buf; @@ -1126,7 +1208,9 @@ int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise) if (noise > 3) noise = 3; buf = noise; - return SendControlMsg(SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1); + return send_control_msg(pdev, + SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, + &buf, sizeof(buf)); } int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise) @@ -1134,7 +1218,9 @@ int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise) int ret; unsigned char buf; - ret = RecvControlMsg(GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1); + ret = recv_control_msg(pdev, + GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, + &buf, sizeof(buf)); if (ret < 0) return ret; *noise = buf; @@ -1146,7 +1232,8 @@ static int _pwc_mpt_reset(struct pwc_device *pdev, int flags) unsigned char buf; buf = flags & 0x03; // only lower two bits are currently used - return SendControlMsg(SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, 1); + return send_control_msg(pdev, + SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, &buf, sizeof(buf)); } int pwc_mpt_reset(struct pwc_device *pdev, int flags) @@ -1175,7 +1262,8 @@ static int _pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt) buf[1] = (pan >> 8) & 0xFF; buf[2] = tilt & 0xFF; buf[3] = (tilt >> 8) & 0xFF; - return SendControlMsg(SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, 4); + return send_control_msg(pdev, + SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, &buf, sizeof(buf)); } int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt) @@ -1211,7 +1299,8 @@ static int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_status *st int ret; unsigned char buf[5]; - ret = RecvControlMsg(GET_MPT_CTL, PT_STATUS_FORMATTER, 5); + ret = recv_control_msg(pdev, + GET_MPT_CTL, PT_STATUS_FORMATTER, &buf, sizeof(buf)); if (ret < 0) return ret; status->status = buf[0] & 0x7; // 3 bits are used for reporting @@ -1233,7 +1322,8 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor) else request = SENSOR_TYPE_FORMATTER2; - ret = RecvControlMsg(GET_STATUS_CTL, request, 1); + ret = recv_control_msg(pdev, + GET_STATUS_CTL, request, &buf, sizeof(buf)); if (ret < 0) return ret; if (pdev->type < 675) diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index 5202cadb2aa..30f4698be90 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -1237,6 +1237,7 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, buffer[1] = (u32) chn_rev; buffer[2] = CMD_SET_MODE; memcpy(&buffer[3], &dev->mode[chn], sizeof(struct s2255_mode)); + dev->setmode_ready[chn] = 0; res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); if (debug) dump_verify_mode(dev, mode); @@ -1245,7 +1246,6 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, /* wait at least 3 frames before continuing */ if (mode->restart) { - dev->setmode_ready[chn] = 0; wait_event_timeout(dev->wait_setmode[chn], (dev->setmode_ready[chn] != 0), msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index da47b2f0528..155804b061e 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -1092,9 +1092,8 @@ static int saa5246a_probe(struct i2c_client *client, /* Register it */ err = video_register_device(t->vdev, VFL_TYPE_VTX, -1); if (err < 0) { - kfree(t); video_device_release(t->vdev); - t->vdev = NULL; + kfree(t); return err; } return 0; diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 48b27fe4808..271d6e931b7 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -598,6 +598,7 @@ static int saa5249_probe(struct i2c_client *client, /* Now create a video4linux device */ t->vdev = video_device_alloc(); if (t->vdev == NULL) { + kfree(t); kfree(client); return -ENOMEM; } @@ -617,9 +618,8 @@ static int saa5249_probe(struct i2c_client *client, /* Register it */ err = video_register_device(t->vdev, VFL_TYPE_VTX, -1); if (err < 0) { - kfree(t); video_device_release(t->vdev); - t->vdev = NULL; + kfree(t); return err; } return 0; diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 399412d7f02..507dc85646b 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1726,14 +1726,17 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message) static int __uvc_resume(struct usb_interface *intf, int reset) { struct uvc_device *dev = usb_get_intfdata(intf); - int ret; uvc_trace(UVC_TRACE_SUSPEND, "Resuming interface %u\n", intf->cur_altsetting->desc.bInterfaceNumber); if (intf->cur_altsetting->desc.bInterfaceSubClass == SC_VIDEOCONTROL) { - if (reset && (ret = uvc_ctrl_resume_device(dev)) < 0) - return ret; + if (reset) { + int ret = uvc_ctrl_resume_device(dev); + + if (ret < 0) + return ret; + } return uvc_status_resume(dev); } diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index a95e17329c5..6ce974d7362 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -742,7 +742,7 @@ static int uvc_alloc_urb_buffers(struct uvc_video_device *video, /* Buffers are already allocated, bail out. */ if (video->urb_size) - return 0; + return video->urb_size / psize; /* Compute the number of packets. Bulk endpoints might transfer UVC * payloads accross multiple URBs. diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 88f10d6cbc9..be64a502ea2 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -42,6 +42,12 @@ printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\ } while (0) +/* Zero out the end of the struct pointed to by p. Everthing after, but + * not including, the specified field is cleared. */ +#define CLEAR_AFTER_FIELD(p, field) \ + memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ + 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) + struct std_descr { v4l2_std_id std; const char *descr; @@ -544,39 +550,39 @@ static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type) switch (type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: - if (ops->vidioc_try_fmt_vid_cap) + if (ops->vidioc_g_fmt_vid_cap) return 0; break; case V4L2_BUF_TYPE_VIDEO_OVERLAY: - if (ops->vidioc_try_fmt_vid_overlay) + if (ops->vidioc_g_fmt_vid_overlay) return 0; break; case V4L2_BUF_TYPE_VIDEO_OUTPUT: - if (ops->vidioc_try_fmt_vid_out) + if (ops->vidioc_g_fmt_vid_out) return 0; break; case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: - if (ops->vidioc_try_fmt_vid_out_overlay) + if (ops->vidioc_g_fmt_vid_out_overlay) return 0; break; case V4L2_BUF_TYPE_VBI_CAPTURE: - if (ops->vidioc_try_fmt_vbi_cap) + if (ops->vidioc_g_fmt_vbi_cap) return 0; break; case V4L2_BUF_TYPE_VBI_OUTPUT: - if (ops->vidioc_try_fmt_vbi_out) + if (ops->vidioc_g_fmt_vbi_out) return 0; break; case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: - if (ops->vidioc_try_fmt_sliced_vbi_cap) + if (ops->vidioc_g_fmt_sliced_vbi_cap) return 0; break; case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: - if (ops->vidioc_try_fmt_sliced_vbi_out) + if (ops->vidioc_g_fmt_sliced_vbi_out) return 0; break; case V4L2_BUF_TYPE_PRIVATE: - if (ops->vidioc_try_fmt_type_private) + if (ops->vidioc_g_fmt_type_private) return 0; break; } @@ -782,44 +788,53 @@ static long __video_do_ioctl(struct file *file, switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: + CLEAR_AFTER_FIELD(f, fmt.pix); v4l_print_pix_fmt(vfd, &f->fmt.pix); if (ops->vidioc_s_fmt_vid_cap) ret = ops->vidioc_s_fmt_vid_cap(file, fh, f); break; case V4L2_BUF_TYPE_VIDEO_OVERLAY: + CLEAR_AFTER_FIELD(f, fmt.win); if (ops->vidioc_s_fmt_vid_overlay) ret = ops->vidioc_s_fmt_vid_overlay(file, fh, f); break; case V4L2_BUF_TYPE_VIDEO_OUTPUT: + CLEAR_AFTER_FIELD(f, fmt.pix); v4l_print_pix_fmt(vfd, &f->fmt.pix); if (ops->vidioc_s_fmt_vid_out) ret = ops->vidioc_s_fmt_vid_out(file, fh, f); break; case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: + CLEAR_AFTER_FIELD(f, fmt.win); if (ops->vidioc_s_fmt_vid_out_overlay) ret = ops->vidioc_s_fmt_vid_out_overlay(file, fh, f); break; case V4L2_BUF_TYPE_VBI_CAPTURE: + CLEAR_AFTER_FIELD(f, fmt.vbi); if (ops->vidioc_s_fmt_vbi_cap) ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f); break; case V4L2_BUF_TYPE_VBI_OUTPUT: + CLEAR_AFTER_FIELD(f, fmt.vbi); if (ops->vidioc_s_fmt_vbi_out) ret = ops->vidioc_s_fmt_vbi_out(file, fh, f); break; case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + CLEAR_AFTER_FIELD(f, fmt.sliced); if (ops->vidioc_s_fmt_sliced_vbi_cap) ret = ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, f); break; case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + CLEAR_AFTER_FIELD(f, fmt.sliced); if (ops->vidioc_s_fmt_sliced_vbi_out) ret = ops->vidioc_s_fmt_sliced_vbi_out(file, fh, f); break; case V4L2_BUF_TYPE_PRIVATE: + /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ if (ops->vidioc_s_fmt_type_private) ret = ops->vidioc_s_fmt_type_private(file, fh, f); @@ -836,46 +851,55 @@ static long __video_do_ioctl(struct file *file, v4l2_type_names)); switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: + CLEAR_AFTER_FIELD(f, fmt.pix); if (ops->vidioc_try_fmt_vid_cap) ret = ops->vidioc_try_fmt_vid_cap(file, fh, f); if (!ret) v4l_print_pix_fmt(vfd, &f->fmt.pix); break; case V4L2_BUF_TYPE_VIDEO_OVERLAY: + CLEAR_AFTER_FIELD(f, fmt.win); if (ops->vidioc_try_fmt_vid_overlay) ret = ops->vidioc_try_fmt_vid_overlay(file, fh, f); break; case V4L2_BUF_TYPE_VIDEO_OUTPUT: + CLEAR_AFTER_FIELD(f, fmt.pix); if (ops->vidioc_try_fmt_vid_out) ret = ops->vidioc_try_fmt_vid_out(file, fh, f); if (!ret) v4l_print_pix_fmt(vfd, &f->fmt.pix); break; case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: + CLEAR_AFTER_FIELD(f, fmt.win); if (ops->vidioc_try_fmt_vid_out_overlay) ret = ops->vidioc_try_fmt_vid_out_overlay(file, fh, f); break; case V4L2_BUF_TYPE_VBI_CAPTURE: + CLEAR_AFTER_FIELD(f, fmt.vbi); if (ops->vidioc_try_fmt_vbi_cap) ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f); break; case V4L2_BUF_TYPE_VBI_OUTPUT: + CLEAR_AFTER_FIELD(f, fmt.vbi); if (ops->vidioc_try_fmt_vbi_out) ret = ops->vidioc_try_fmt_vbi_out(file, fh, f); break; case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + CLEAR_AFTER_FIELD(f, fmt.sliced); if (ops->vidioc_try_fmt_sliced_vbi_cap) ret = ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, f); break; case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + CLEAR_AFTER_FIELD(f, fmt.sliced); if (ops->vidioc_try_fmt_sliced_vbi_out) ret = ops->vidioc_try_fmt_sliced_vbi_out(file, fh, f); break; case V4L2_BUF_TYPE_PRIVATE: + /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ if (ops->vidioc_try_fmt_type_private) ret = ops->vidioc_try_fmt_type_private(file, fh, f); @@ -898,6 +922,9 @@ static long __video_do_ioctl(struct file *file, if (ret) break; + if (p->type < V4L2_BUF_TYPE_PRIVATE) + CLEAR_AFTER_FIELD(p, memory); + ret = ops->vidioc_reqbufs(file, fh, p); dbgarg(cmd, "count=%d, type=%s, memory=%s\n", p->count, diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c index 092333b1c34..643cccaa1aa 100644 --- a/drivers/media/video/zoran/zoran_driver.c +++ b/drivers/media/video/zoran/zoran_driver.c @@ -1863,22 +1863,20 @@ static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag) { - int num = -1, i; - - for (i = 0; i < NUM_FORMATS; i++) { - if (zoran_formats[i].flags & flag) - num++; - if (num == fmt->index) - break; + unsigned int num, i; + + for (num = i = 0; i < NUM_FORMATS; i++) { + if (zoran_formats[i].flags & flag && num++ == fmt->index) { + strncpy(fmt->description, zoran_formats[i].name, + sizeof(fmt->description) - 1); + /* fmt struct pre-zeroed, so adding '\0' not neeed */ + fmt->pixelformat = zoran_formats[i].fourcc; + if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED) + fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; + return 0; + } } - if (fmt->index < 0 /* late, but not too late */ || i == NUM_FORMATS) - return -EINVAL; - - strncpy(fmt->description, zoran_formats[i].name, sizeof(fmt->description)-1); - fmt->pixelformat = zoran_formats[i].fourcc; - if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED) - fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; - return 0; + return -EINVAL; } static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh, diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index d0d126c6935..5d496a99e03 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -5934,7 +5934,7 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg) /* Initalize the timer */ - init_timer(&pCfg->timer); + init_timer_on_stack(&pCfg->timer); pCfg->timer.data = (unsigned long) ioc; pCfg->timer.function = mpt_timer_expired; pCfg->wait_done = 0; diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 7793932a513..11a6248cc1c 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -443,7 +443,7 @@ static irqreturn_t pcf50633_irq(int irq, void *data) dev_dbg(pcf->dev, "pcf50633_irq\n"); get_device(pcf->dev); - disable_irq(pcf->irq); + disable_irq_nosync(pcf->irq); schedule_work(&pcf->irq_work); return IRQ_HANDLED; diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index c2be3088e2e..fe24079387c 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -79,10 +79,6 @@ static int wm8350_phys_read(struct wm8350 *wm8350, u8 reg, int num_regs, /* Cache is CPU endian */ dest[i - reg] = be16_to_cpu(dest[i - reg]); - /* Satisfy non-volatile bits from cache */ - dest[i - reg] &= wm8350_reg_io_map[i].vol; - dest[i - reg] |= wm8350->reg_cache[i]; - /* Mask out non-readable bits */ dest[i - reg] &= wm8350_reg_io_map[i].readable; } @@ -182,9 +178,6 @@ static int wm8350_write(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *src) (wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable) | src[i - reg]; - /* Don't store volatile bits */ - wm8350->reg_cache[i] &= ~wm8350_reg_io_map[i].vol; - src[i - reg] = cpu_to_be16(src[i - reg]); } @@ -1261,7 +1254,6 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode) (i < WM8350_CLOCK_CONTROL_1 || i > WM8350_AIF_TEST)) { value = be16_to_cpu(wm8350->reg_cache[i]); value &= wm8350_reg_io_map[i].readable; - value &= ~wm8350_reg_io_map[i].vol; wm8350->reg_cache[i] = value; } else wm8350->reg_cache[i] = reg_map[i]; diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c index 3cf61ece71d..348443bdb23 100644 --- a/drivers/misc/enclosure.c +++ b/drivers/misc/enclosure.c @@ -119,7 +119,7 @@ enclosure_register(struct device *dev, const char *name, int components, edev->edev.class = &enclosure_class; edev->edev.parent = get_device(dev); edev->cb = cb; - dev_set_name(&edev->edev, name); + dev_set_name(&edev->edev, "%s", name); err = device_register(&edev->edev); if (err) goto err; @@ -255,8 +255,8 @@ enclosure_component_register(struct enclosure_device *edev, ecomp->number = number; cdev = &ecomp->cdev; cdev->parent = get_device(&edev->edev); - if (name) - dev_set_name(cdev, name); + if (name && name[0]) + dev_set_name(cdev, "%s", name); else dev_set_name(cdev, "%u", number); diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c index 2e2a5923d4c..a71e245801e 100644 --- a/drivers/misc/isl29003.c +++ b/drivers/misc/isl29003.c @@ -64,6 +64,7 @@ struct isl29003_data { struct i2c_client *client; struct mutex lock; u8 reg_cache[ISL29003_NUM_CACHABLE_REGS]; + u8 power_state_before_suspend; }; static int gain_range[] = { @@ -411,6 +412,9 @@ static int __devexit isl29003_remove(struct i2c_client *client) #ifdef CONFIG_PM static int isl29003_suspend(struct i2c_client *client, pm_message_t mesg) { + struct isl29003_data *data = i2c_get_clientdata(client); + + data->power_state_before_suspend = isl29003_get_power_state(client); return isl29003_set_power_state(client, 0); } @@ -421,10 +425,11 @@ static int isl29003_resume(struct i2c_client *client) /* restore registers from cache */ for (i = 0; i < ARRAY_SIZE(data->reg_cache); i++) - if (!i2c_smbus_write_byte_data(client, i, data->reg_cache[i])) + if (i2c_smbus_write_byte_data(client, i, data->reg_cache[i])) return -EIO; - return 0; + return isl29003_set_power_state(client, + data->power_state_before_suspend); } #else diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index 3e6e42d2f01..bbefe77c67a 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -375,7 +375,7 @@ static int __init gru_init(void) void *gru_start_vaddr; if (!is_uv_system()) - return -ENODEV; + return 0; #if defined CONFIG_IA64 gru_start_paddr = 0xd000000000UL; /* ZZZZZZZZZZZZZZZZZZZ fixme */ diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c index 16f8dcab2da..7896849b16d 100644 --- a/drivers/misc/sgi-xp/xp_main.c +++ b/drivers/misc/sgi-xp/xp_main.c @@ -248,19 +248,19 @@ xp_init(void) enum xp_retval ret; int ch_number; + /* initialize the connection registration mutex */ + for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++) + mutex_init(&xpc_registrations[ch_number].mutex); + if (is_shub()) ret = xp_init_sn2(); else if (is_uv()) ret = xp_init_uv(); else - ret = xpUnsupported; + ret = 0; if (ret != xpSuccess) - return -ENODEV; - - /* initialize the connection registration mutex */ - for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++) - mutex_init(&xpc_registrations[ch_number].mutex); + return ret; return 0; } diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index fe8041e619e..b25e9b6516a 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -254,6 +254,14 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) brq.data.blocks = req->nr_sectors; /* + * The block layer doesn't support all sector count + * restrictions, so we need to be prepared for too big + * requests. + */ + if (brq.data.blocks > card->host->max_blk_count) + brq.data.blocks = card->host->max_blk_count; + + /* * After a read error, we redo the request one sector at a time * in order to accurately determine which sectors can be read * successfully. diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index fa073ab3fa3..26491173275 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay should be sufficient to allow the power supply * to reach the minimum voltage. */ - mmc_delay(2); + mmc_delay(10); host->ios.clock = host->f_min; host->ios.power_mode = MMC_POWER_ON; @@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay must be at least 74 clock sizes, or 1 ms, or the * time required to reach a stable voltage. */ - mmc_delay(2); + mmc_delay(10); } static void mmc_power_off(struct mmc_host *host) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index a663429b3d5..7d4febdab28 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -490,7 +490,7 @@ static void mmci_check_status(unsigned long data) mod_timer(&host->timer, jiffies + HZ); } -static int __devinit mmci_probe(struct amba_device *dev, void *id) +static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id) { struct mmc_platform_data *plat = dev->dev.platform_data; struct mmci_host *host; @@ -514,6 +514,7 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id) } host = mmc_priv(mmc); + host->mmc = mmc; /* Bits 12 thru 19 is the designer */ host->hw_designer = (dev->periphid >> 12) & 0xff; /* Bits 20 thru 23 is the revison */ @@ -545,7 +546,6 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id) host->mclk = clk_get_rate(host->clk); DBG(host, "eventual mclk rate: %u Hz\n", host->mclk); } - host->mmc = mmc; host->base = ioremap(dev->res.start, SZ_4K); if (!host->base) { ret = -ENOMEM; diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index b5c375d94ab..b56d72ff06e 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -64,6 +64,31 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data) unsigned int tmout; int tmout_index; + /* + * Hardware weirdness. The FIFO_EMPTY bit of the HW_STATE + * register is sometimes not set before a while when some + * "unusual" data block sizes are used (such as with the SWITCH + * command), even despite the fact that the XFER_DONE interrupt + * was raised. And if another data transfer starts before + * this bit comes to good sense (which eventually happens by + * itself) then the new transfer simply fails with a timeout. + */ + if (!(mvsd_read(MVSD_HW_STATE) & (1 << 13))) { + unsigned long t = jiffies + HZ; + unsigned int hw_state, count = 0; + do { + if (time_after(jiffies, t)) { + dev_warn(host->dev, "FIFO_EMPTY bit missing\n"); + break; + } + hw_state = mvsd_read(MVSD_HW_STATE); + count++; + } while (!(hw_state & (1 << 13))); + dev_dbg(host->dev, "*** wait for FIFO_EMPTY bit " + "(hw=0x%04x, count=%d, jiffies=%ld)\n", + hw_state, count, jiffies - (t - HZ)); + } + /* If timeout=0 then maximum timeout index is used. */ tmout = DIV_ROUND_UP(data->timeout_ns, host->ns_per_clk); tmout += data->timeout_clks; @@ -620,9 +645,18 @@ static void mvsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (ios->bus_width == MMC_BUS_WIDTH_4) ctrl_reg |= MVSD_HOST_CTRL_DATA_WIDTH_4_BITS; + /* + * The HI_SPEED_EN bit is causing trouble with many (but not all) + * high speed SD, SDHC and SDIO cards. Not enabling that bit + * makes all cards work. So let's just ignore that bit for now + * and revisit this issue if problems for not enabling this bit + * are ever reported. + */ +#if 0 if (ios->timing == MMC_TIMING_MMC_HS || ios->timing == MMC_TIMING_SD_HS) ctrl_reg |= MVSD_HOST_CTRL_HI_SPEED_EN; +#endif host->ctrl = ctrl_reg; mvsd_write(MVSD_HOST_CTRL, ctrl_reg); @@ -825,24 +859,23 @@ static int __exit mvsd_remove(struct platform_device *pdev) } #ifdef CONFIG_PM -static int mvsd_suspend(struct platform_device *dev, pm_message_t state, - u32 level) +static int mvsd_suspend(struct platform_device *dev, pm_message_t state) { struct mmc_host *mmc = platform_get_drvdata(dev); int ret = 0; - if (mmc && level == SUSPEND_DISABLE) + if (mmc) ret = mmc_suspend_host(mmc, state); return ret; } -static int mvsd_resume(struct platform_device *dev, u32 level) +static int mvsd_resume(struct platform_device *dev) { - struct mmc_host *mmc = platform_dev_get_drvdata(dev); + struct mmc_host *mmc = platform_get_drvdata(dev); int ret = 0; - if (mmc && level == RESUME_ENABLE) + if (mmc) ret = mmc_resume_host(mmc); return ret; @@ -883,3 +916,4 @@ module_param(nodma, int, 0); MODULE_AUTHOR("Maen Suleiman, Nicolas Pitre"); MODULE_DESCRIPTION("Marvell MMC,SD,SDIO Host Controller driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:mvsdio"); diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index b4a615c55f2..f4cbe473670 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -140,6 +140,8 @@ struct mxcmci_host { struct work_struct datawork; }; +static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios); + static inline int mxcmci_use_dma(struct mxcmci_host *host) { return host->do_dma; @@ -160,7 +162,7 @@ static void mxcmci_softreset(struct mxcmci_host *host) writew(0xff, host->base + MMC_REG_RES_TO); } -static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) +static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) { unsigned int nob = data->blocks; unsigned int blksz = data->blksz; @@ -168,6 +170,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) #ifdef HAS_DMA struct scatterlist *sg; int i; + int ret; #endif if (data->flags & MMC_DATA_STREAM) nob = 0xffff; @@ -183,7 +186,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) for_each_sg(data->sg, sg, data->sg_len, i) { if (sg->offset & 3 || sg->length & 3) { host->do_dma = 0; - return; + return 0; } } @@ -192,23 +195,30 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma_dir); - imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize, - host->res->start + MMC_REG_BUFFER_ACCESS, - DMA_MODE_READ); + ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, + datasize, + host->res->start + MMC_REG_BUFFER_ACCESS, + DMA_MODE_READ); } else { host->dma_dir = DMA_TO_DEVICE; host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma_dir); - imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize, - host->res->start + MMC_REG_BUFFER_ACCESS, - DMA_MODE_WRITE); + ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, + datasize, + host->res->start + MMC_REG_BUFFER_ACCESS, + DMA_MODE_WRITE); } + if (ret) { + dev_err(mmc_dev(host->mmc), "failed to setup DMA : %d\n", ret); + return ret; + } wmb(); imx_dma_enable(host->dma); #endif /* HAS_DMA */ + return 0; } static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd, @@ -345,8 +355,11 @@ static int mxcmci_poll_status(struct mxcmci_host *host, u32 mask) stat = readl(host->base + MMC_REG_STATUS); if (stat & STATUS_ERR_MASK) return stat; - if (time_after(jiffies, timeout)) + if (time_after(jiffies, timeout)) { + mxcmci_softreset(host); + mxcmci_set_clk_rate(host, host->clock); return STATUS_TIME_OUT_READ; + } if (stat & mask) return 0; cpu_relax(); @@ -531,6 +544,7 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req) { struct mxcmci_host *host = mmc_priv(mmc); unsigned int cmdat = host->cmdat; + int error; WARN_ON(host->req != NULL); @@ -540,7 +554,12 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req) host->do_dma = 1; #endif if (req->data) { - mxcmci_setup_data(host, req->data); + error = mxcmci_setup_data(host, req->data); + if (error) { + req->cmd->error = error; + goto out; + } + cmdat |= CMD_DAT_CONT_DATA_ENABLE; @@ -548,7 +567,9 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req) cmdat |= CMD_DAT_CONT_WRITE; } - if (mxcmci_start_cmd(host, req->cmd, cmdat)) + error = mxcmci_start_cmd(host, req->cmd, cmdat); +out: + if (error) mxcmci_finish_request(host, req); } @@ -724,7 +745,9 @@ static int mxcmci_probe(struct platform_device *pdev) goto out_clk_put; } - mmc->f_min = clk_get_rate(host->clk) >> 7; + mmc->f_min = clk_get_rate(host->clk) >> 16; + if (mmc->f_min < 400000) + mmc->f_min = 400000; mmc->f_max = clk_get_rate(host->clk) >> 1; /* recommended in data sheet */ diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 5570849188c..dceb5ee3bda 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -157,8 +157,6 @@ struct mmc_omap_host { struct timer_list dma_timer; unsigned dma_len; - short power_pin; - struct mmc_omap_slot *slots[OMAP_MMC_MAX_SLOTS]; struct mmc_omap_slot *current_slot; spinlock_t slot_lock; @@ -824,7 +822,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) del_timer(&host->cmd_abort_timer); host->abort = 1; OMAP_MMC_WRITE(host, IE, 0); - disable_irq(host->irq); + disable_irq_nosync(host->irq); schedule_work(&host->cmd_abort_work); return IRQ_HANDLED; } diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index e62a22a7f00..c40cb96255a 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -680,7 +680,7 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data) host->dma_ch = -1; /* * DMA Callback: run in interrupt context. - * mutex_unlock will through a kernel warning if used. + * mutex_unlock will throw a kernel warning if used. */ up(&host->sem); } diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c index 3ff4ac3abe8..128c614d11a 100644 --- a/drivers/mmc/host/sdhci-of.c +++ b/drivers/mmc/host/sdhci-of.c @@ -55,7 +55,13 @@ static u32 esdhc_readl(struct sdhci_host *host, int reg) static u16 esdhc_readw(struct sdhci_host *host, int reg) { - return in_be16(host->ioaddr + (reg ^ 0x2)); + u16 ret; + + if (unlikely(reg == SDHCI_HOST_VERSION)) + ret = in_be16(host->ioaddr + reg); + else + ret = in_be16(host->ioaddr + (reg ^ 0x2)); + return ret; } static u8 esdhc_readb(struct sdhci_host *host, int reg) @@ -277,6 +283,7 @@ static int __devexit sdhci_of_remove(struct of_device *ofdev) static const struct of_device_id sdhci_of_match[] = { { .compatible = "fsl,mpc8379-esdhc", .data = &sdhci_esdhc, }, { .compatible = "fsl,mpc8536-esdhc", .data = &sdhci_esdhc, }, + { .compatible = "fsl,esdhc", .data = &sdhci_esdhc, }, { .compatible = "generic-sdhci", }, {}, }; diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index cd37962ec44..65be27995d5 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -522,8 +522,8 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); if (IS_ERR(host)) { - ret = PTR_ERR(host); - goto unmap; + dev_err(&pdev->dev, "cannot allocate host\n"); + return ERR_PTR(PTR_ERR(host)); } slot = sdhci_priv(host); @@ -541,7 +541,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); if (ret) { dev_err(&pdev->dev, "cannot request region\n"); - return ERR_PTR(ret); + goto free; } addr = pci_resource_start(pdev, bar); @@ -572,6 +572,8 @@ unmap: release: pci_release_region(pdev, bar); + +free: sdhci_free_host(host); return ERR_PTR(ret); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index f20a834f430..65c6f996bbd 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -125,7 +125,7 @@ #define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \ SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \ SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \ - SDHCI_INT_DATA_END_BIT) + SDHCI_INT_DATA_END_BIT | SDHCI_ADMA_ERROR) #define SDHCI_INT_ALL_MASK ((unsigned int)-1) #define SDHCI_ACMD12_ERR 0x3C diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 8185b1f3e5e..cc6369ea67d 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -54,7 +54,7 @@ #define SR_SRWD 0x80 /* SR write protect */ /* Define max times to check status register before we give up. */ -#define MAX_READY_WAIT_COUNT 100000 +#define MAX_READY_WAIT_JIFFIES (10 * HZ) /* eg. M25P128 specs 6s max sector erase */ #define CMD_SIZE 4 #ifdef CONFIG_M25PXX_USE_FAST_READ @@ -139,20 +139,20 @@ static inline int write_enable(struct m25p *flash) */ static int wait_till_ready(struct m25p *flash) { - int count; + unsigned long deadline; int sr; - /* one chip guarantees max 5 msec wait here after page writes, - * but potentially three seconds (!) after page erase. - */ - for (count = 0; count < MAX_READY_WAIT_COUNT; count++) { + deadline = jiffies + MAX_READY_WAIT_JIFFIES; + + do { if ((sr = read_sr(flash)) < 0) break; else if (!(sr & SR_WIP)) return 0; - /* REVISIT sometimes sleeping would be best */ - } + cond_resched(); + + } while (!time_after_eq(jiffies, deadline)); return 1; } @@ -246,10 +246,12 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr) mutex_lock(&flash->lock); /* whole-chip erase? */ - if (len == flash->mtd.size && erase_chip(flash)) { - instr->state = MTD_ERASE_FAILED; - mutex_unlock(&flash->lock); - return -EIO; + if (len == flash->mtd.size) { + if (erase_chip(flash)) { + instr->state = MTD_ERASE_FAILED; + mutex_unlock(&flash->lock); + return -EIO; + } /* REVISIT in some cases we could speed up erasing large regions * by using OPCODE_SE instead of OPCODE_BE_4K. We may have set up diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 62dee54af0a..43976aa4dbb 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -178,7 +178,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr) /* Calculate flash page address; use block erase (for speed) if * we're at a block boundary and need to erase the whole block. */ - pageaddr = div_u64(instr->len, priv->page_size); + pageaddr = div_u64(instr->addr, priv->page_size); do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize; pageaddr = pageaddr << priv->page_offset; diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index fdd6ae85939..bccb4b1ffc4 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -48,11 +48,11 @@ static LIST_HEAD(mtd_notifiers); */ static void mtd_release(struct device *dev) { - struct mtd_info *mtd = dev_to_mtd(dev); + dev_t index = MTD_DEVT(dev_to_mtd(dev)->index); /* remove /dev/mtdXro node if needed */ - if (MTD_DEVT(mtd->index)) - device_destroy(mtd_class, MTD_DEVT(mtd->index) + 1); + if (index) + device_destroy(mtd_class, index + 1); } static ssize_t mtd_type_show(struct device *dev, @@ -132,6 +132,17 @@ static ssize_t mtd_writesize_show(struct device *dev, } static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL); +static ssize_t mtd_subpagesize_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mtd_info *mtd = dev_to_mtd(dev); + unsigned int subpagesize = mtd->writesize >> mtd->subpage_sft; + + return snprintf(buf, PAGE_SIZE, "%u\n", subpagesize); + +} +static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL); + static ssize_t mtd_oobsize_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -169,6 +180,7 @@ static struct attribute *mtd_attrs[] = { &dev_attr_size.attr, &dev_attr_erasesize.attr, &dev_attr_writesize.attr, + &dev_attr_subpagesize.attr, &dev_attr_oobsize.attr, &dev_attr_numeraseregions.attr, &dev_attr_name.attr, diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c index 92285d0089c..af8b42e0a55 100644 --- a/drivers/mtd/mtdsuper.c +++ b/drivers/mtd/mtdsuper.c @@ -74,8 +74,7 @@ static int get_sb_mtd_aux(struct file_system_type *fs_type, int flags, ret = fill_super(sb, data, flags & MS_SILENT ? 1 : 0); if (ret < 0) { - up_write(&sb->s_umount); - deactivate_super(sb); + deactivate_locked_super(sb); return ret; } diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index 7c5b257ce8e..29acd06b1c3 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -332,7 +332,7 @@ static void cafe_select_chip(struct mtd_info *mtd, int chipnr) cafe->ctl1 &= ~CTRL1_CHIPSELECT; } -static int cafe_nand_interrupt(int irq, void *id) +static irqreturn_t cafe_nand_interrupt(int irq, void *id) { struct mtd_info *mtd = id; struct cafe_priv *cafe = mtd->priv; diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 0119220de7d..02700f769b8 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -407,16 +407,17 @@ static int __init nand_davinci_probe(struct platform_device *pdev) } info->chip.ecc.mode = ecc_mode; - info->clk = clk_get(&pdev->dev, "AEMIFCLK"); + info->clk = clk_get(&pdev->dev, "aemif"); if (IS_ERR(info->clk)) { ret = PTR_ERR(info->clk); - dev_dbg(&pdev->dev, "unable to get AEMIFCLK, err %d\n", ret); + dev_dbg(&pdev->dev, "unable to get AEMIF clock, err %d\n", ret); goto err_clk; } ret = clk_enable(info->clk); if (ret < 0) { - dev_dbg(&pdev->dev, "unable to enable AEMIFCLK, err %d\n", ret); + dev_dbg(&pdev->dev, "unable to enable AEMIF clock, err %d\n", + ret); goto err_clk_enable; } diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index f3548d04801..40c26080ecd 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -831,6 +831,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, break; case NAND_CMD_READID: + host->col_addr = 0; send_read_id(host); break; @@ -867,6 +868,7 @@ static int __init mxcnd_probe(struct platform_device *pdev) mtd->priv = this; mtd->owner = THIS_MODULE; mtd->dev.parent = &pdev->dev; + mtd->name = "mxc_nand"; /* 50 us command delay time */ this->chip_delay = 5; @@ -882,8 +884,10 @@ static int __init mxcnd_probe(struct platform_device *pdev) this->verify_buf = mxc_nand_verify_buf; host->clk = clk_get(&pdev->dev, "nfc"); - if (IS_ERR(host->clk)) + if (IS_ERR(host->clk)) { + err = PTR_ERR(host->clk); goto eclk; + } clk_enable(host->clk); host->clk_act = 1; @@ -896,7 +900,7 @@ static int __init mxcnd_probe(struct platform_device *pdev) host->regs = ioremap(res->start, res->end - res->start + 1); if (!host->regs) { - err = -EIO; + err = -ENOMEM; goto eres; } @@ -1011,30 +1015,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state) { - struct mtd_info *info = platform_get_drvdata(pdev); + struct mtd_info *mtd = platform_get_drvdata(pdev); + struct nand_chip *nand_chip = mtd->priv; + struct mxc_nand_host *host = nand_chip->priv; int ret = 0; DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n"); - if (info) - ret = info->suspend(info); - - /* Disable the NFC clock */ - clk_disable(nfc_clk); /* FIXME */ + if (mtd) { + ret = mtd->suspend(mtd); + /* Disable the NFC clock */ + clk_disable(host->clk); + } return ret; } static int mxcnd_resume(struct platform_device *pdev) { - struct mtd_info *info = platform_get_drvdata(pdev); + struct mtd_info *mtd = platform_get_drvdata(pdev); + struct nand_chip *nand_chip = mtd->priv; + struct mxc_nand_host *host = nand_chip->priv; int ret = 0; DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n"); - /* Enable the NFC clock */ - clk_enable(nfc_clk); /* FIXME */ - if (info) - info->resume(info); + if (mtd) { + /* Enable the NFC clock */ + clk_enable(host->clk); + mtd->resume(mtd); + } return ret; } @@ -1055,13 +1064,7 @@ static struct platform_driver mxcnd_driver = { static int __init mxc_nd_init(void) { - /* Register the device driver structure. */ - pr_info("MXC MTD nand Driver\n"); - if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) { - printk(KERN_ERR "Driver register failed for mxcnd_driver\n"); - return -ENODEV; - } - return 0; + return platform_driver_probe(&mxcnd_driver, mxcnd_probe); } static void __exit mxc_nd_cleanup(void) diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c index fbb37192199..682aad89708 100644 --- a/drivers/net/3c509.c +++ b/drivers/net/3c509.c @@ -480,9 +480,13 @@ static int pnp_registered; #ifdef CONFIG_EISA static struct eisa_device_id el3_eisa_ids[] = { + { "TCM5090" }, + { "TCM5091" }, { "TCM5092" }, { "TCM5093" }, + { "TCM5094" }, { "TCM5095" }, + { "TCM5098" }, { "" } }; MODULE_DEVICE_TABLE(eisa, el3_eisa_ids); diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index 29df398b772..1fc45431a62 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -1383,6 +1383,11 @@ static void rtl8139_hw_start (struct net_device *dev) RTL_W32_F (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4))); + tp->cur_rx = 0; + + /* init Rx ring buffer DMA address */ + RTL_W32_F (RxBuf, tp->rx_ring_dma); + /* Must enable Tx/Rx before setting transfer thresholds! */ RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); @@ -1390,8 +1395,6 @@ static void rtl8139_hw_start (struct net_device *dev) RTL_W32 (RxConfig, tp->rx_config); RTL_W32 (TxConfig, rtl8139_tx_config); - tp->cur_rx = 0; - rtl_check_media (dev, 1); if (tp->chipset >= CH_8139B) { @@ -1406,9 +1409,6 @@ static void rtl8139_hw_start (struct net_device *dev) /* Lock Config[01234] and BMCR register writes */ RTL_W8 (Cfg9346, Cfg9346_Lock); - /* init Rx ring buffer DMA address */ - RTL_W32_F (RxBuf, tp->rx_ring_dma); - /* init Tx buffer DMA addresses */ for (i = 0; i < NUM_TX_DESC; i++) RTL_W32_F (TxAddr0 + (i * 4), tp->tx_bufs_dma + (tp->tx_buf[i] - tp->tx_bufs)); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 9e921544ba2..214a92d1ef7 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -28,9 +28,9 @@ if NETDEVICES config COMPAT_NET_DEV_OPS default y - bool "Enable older network device API compatiablity" + bool "Enable older network device API compatibility" ---help--- - This option enables kernel compatiability with older network devices + This option enables kernel compatibility with older network devices that do not use net_device_ops interface. If unsure, say Y. diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 1fc4602a6ff..a1c25cb4669 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -102,7 +102,7 @@ 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_HP100) += hp100.o diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c index 448487e22fa..a740053d3af 100644 --- a/drivers/net/arm/ixp4xx_eth.c +++ b/drivers/net/arm/ixp4xx_eth.c @@ -338,12 +338,12 @@ static int ixp4xx_mdio_register(void) if (cpu_is_ixp43x()) { /* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */ if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEC_ETH)) - return -ENOSYS; + return -ENODEV; mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT; } else { /* All MII PHY accesses use NPE-B Ethernet registers */ if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0)) - return -ENOSYS; + return -ENODEV; mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT; } @@ -1174,7 +1174,7 @@ static int __devinit eth_init_one(struct platform_device *pdev) regs_phys = IXP4XX_EthC_BASE_PHYS; break; default: - err = -ENOSYS; + err = -ENODEV; goto err_free; } @@ -1189,15 +1189,10 @@ static int __devinit eth_init_one(struct platform_device *pdev) goto err_free; } - if (register_netdev(dev)) { - err = -EIO; - goto err_npe_rel; - } - port->mem_res = request_mem_region(regs_phys, REGS_SIZE, dev->name); if (!port->mem_res) { err = -EBUSY; - goto err_unreg; + goto err_npe_rel; } port->plat = plat; @@ -1215,20 +1210,25 @@ static int __devinit eth_init_one(struct platform_device *pdev) snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy); port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0, PHY_INTERFACE_MODE_MII); - if (IS_ERR(port->phydev)) { - printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); - return PTR_ERR(port->phydev); - } + if ((err = IS_ERR(port->phydev))) + goto err_free_mem; port->phydev->irq = PHY_POLL; + if ((err = register_netdev(dev))) + goto err_phy_dis; + printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy, npe_name(port->npe)); return 0; -err_unreg: - unregister_netdev(dev); +err_phy_dis: + phy_disconnect(port->phydev); +err_free_mem: + npe_port_tab[NPE_ID(port->id)] = NULL; + platform_set_drvdata(pdev, NULL); + release_resource(port->mem_res); err_npe_rel: npe_release(port->npe); err_free: @@ -1242,6 +1242,7 @@ static int __devexit eth_remove_one(struct platform_device *pdev) struct port *port = netdev_priv(dev); unregister_netdev(dev); + phy_disconnect(port->phydev); npe_port_tab[NPE_ID(port->id)] = NULL; platform_set_drvdata(pdev, NULL); npe_release(port->npe); diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c index fb57b750866..1342418fb20 100644 --- a/drivers/net/atl1e/atl1e_main.c +++ b/drivers/net/atl1e/atl1e_main.c @@ -37,6 +37,7 @@ char atl1e_driver_version[] = DRV_VERSION; */ static struct pci_device_id atl1e_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)}, + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)}, /* required last entry */ { 0 } }; diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c index 0ab22540bf5..4e817126e28 100644 --- a/drivers/net/atlx/atl1.c +++ b/drivers/net/atlx/atl1.c @@ -82,6 +82,12 @@ #include "atl1.h" +#define ATLX_DRIVER_VERSION "2.1.3" +MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \ + Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(ATLX_DRIVER_VERSION); + /* Temporary hack for merging atl1 and atl2 */ #include "atlx.c" diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h index 297a03da6b7..14054b75aa6 100644 --- a/drivers/net/atlx/atlx.h +++ b/drivers/net/atlx/atlx.h @@ -29,12 +29,6 @@ #include <linux/module.h> #include <linux/types.h> -#define ATLX_DRIVER_VERSION "2.1.3" -MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \ - Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ATLX_DRIVER_VERSION); - #define ATLX_ERR_PHY 2 #define ATLX_ERR_PHY_SPEED 7 #define ATLX_ERR_PHY_RES 8 diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index c49ddd08b2a..b4bb06fdf30 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -35,8 +35,22 @@ #define DRV_VER "2.0.348" #define DRV_NAME "be2net" #define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC" +#define OC_NAME "Emulex OneConnect 10Gbps NIC" #define DRV_DESC BE_NAME "Driver" +#define BE_VENDOR_ID 0x19a2 +#define BE_DEVICE_ID1 0x211 +#define OC_DEVICE_ID1 0x700 +#define OC_DEVICE_ID2 0x701 + +static inline char *nic_name(struct pci_dev *pdev) +{ + if (pdev->device == OC_DEVICE_ID1 || pdev->device == OC_DEVICE_ID2) + return OC_NAME; + else + return BE_NAME; +} + /* Number of bytes of an RX frame that are copied to skb->data */ #define BE_HDR_LEN 64 #define BE_MAX_JUMBO_FRAME_SIZE 9018 diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 30d0c81c989..5c378b5e8e4 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -28,10 +28,10 @@ static unsigned int rx_frag_size = 2048; module_param(rx_frag_size, uint, S_IRUGO); MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); -#define BE_VENDOR_ID 0x19a2 -#define BE2_DEVICE_ID_1 0x0211 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { - { PCI_DEVICE(BE_VENDOR_ID, BE2_DEVICE_ID_1) }, + { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, + { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, + { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, { 0 } }; MODULE_DEVICE_TABLE(pci, be_dev_ids); @@ -1859,7 +1859,7 @@ static int __devinit be_probe(struct pci_dev *pdev, if (status != 0) goto stats_clean; - dev_info(&pdev->dev, BE_NAME " port %d\n", adapter->port_num); + dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); return 0; stats_clean: @@ -1873,7 +1873,7 @@ rel_reg: disable_dev: pci_disable_device(pdev); do_none: - dev_warn(&pdev->dev, BE_NAME " initialization failed\n"); + dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); return status; } diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index 9f971ed6b58..b4da1821332 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -979,22 +979,7 @@ static int bfin_mac_open(struct net_device *dev) return 0; } -static const struct net_device_ops bfin_mac_netdev_ops = { - .ndo_open = bfin_mac_open, - .ndo_stop = bfin_mac_close, - .ndo_start_xmit = bfin_mac_hard_start_xmit, - .ndo_set_mac_address = bfin_mac_set_mac_address, - .ndo_tx_timeout = bfin_mac_timeout, - .ndo_set_multicast_list = bfin_mac_set_multicast_list, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = eth_change_mtu, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = bfin_mac_poll, -#endif -}; - /* - * * this makes the board clean up everything that it can * and not talk to the outside world. Caused by * an 'ifconfig ethX down' @@ -1019,6 +1004,20 @@ static int bfin_mac_close(struct net_device *dev) return 0; } +static const struct net_device_ops bfin_mac_netdev_ops = { + .ndo_open = bfin_mac_open, + .ndo_stop = bfin_mac_close, + .ndo_start_xmit = bfin_mac_hard_start_xmit, + .ndo_set_mac_address = bfin_mac_set_mac_address, + .ndo_tx_timeout = bfin_mac_timeout, + .ndo_set_multicast_list = bfin_mac_set_multicast_list, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = eth_change_mtu, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = bfin_mac_poll, +#endif +}; + static int __devinit bfin_mac_probe(struct platform_device *pdev) { struct net_device *ndev; diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index d47839184a0..b0cb29d4cc0 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -54,8 +54,8 @@ #define DRV_MODULE_NAME "bnx2" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "2.0.0" -#define DRV_MODULE_RELDATE "April 2, 2009" +#define DRV_MODULE_VERSION "2.0.1" +#define DRV_MODULE_RELDATE "May 6, 2009" #define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-4.6.16.fw" #define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-4.6.16.fw" #define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-4.6.17.fw" @@ -2600,6 +2600,7 @@ bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi) /* Tell compiler that status block fields can change. */ barrier(); cons = *bnapi->hw_tx_cons_ptr; + barrier(); if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT)) cons++; return cons; @@ -2879,6 +2880,7 @@ bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi) /* Tell compiler that status block fields can change. */ barrier(); cons = *bnapi->hw_rx_cons_ptr; + barrier(); if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)) cons++; return cons; diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 8c2e5ab51f0..faf094abef7 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -1465,6 +1465,12 @@ static struct aggregator *ad_agg_selection_test(struct aggregator *best, return best; } +static int agg_device_up(const struct aggregator *agg) +{ + return (netif_running(agg->slave->dev) && + netif_carrier_ok(agg->slave->dev)); +} + /** * ad_agg_selection_logic - select an aggregation group for a team * @aggregator: the aggregator we're looking at @@ -1496,14 +1502,13 @@ static void ad_agg_selection_logic(struct aggregator *agg) struct port *port; origin = agg; - active = __get_active_agg(agg); - best = active; + best = (active && agg_device_up(active)) ? active : NULL; do { agg->is_active = 0; - if (agg->num_of_ports) + if (agg->num_of_ports && agg_device_up(agg)) best = ad_agg_selection_test(best, agg); } while ((agg = __get_next_agg(agg))); diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 553a8991977..46d312bedfb 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -1706,10 +1706,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave * Called with RTNL */ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) - __releases(&bond->curr_slave_lock) - __releases(&bond->lock) __acquires(&bond->lock) - __acquires(&bond->curr_slave_lock) + __releases(&bond->lock) { struct bonding *bond = netdev_priv(bond_dev); struct sockaddr *sa = addr; @@ -1745,9 +1743,6 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) } } - write_unlock_bh(&bond->curr_slave_lock); - read_unlock(&bond->lock); - if (swap_slave) { alb_swap_mac_addr(bond, swap_slave, bond->curr_active_slave); alb_fasten_mac_swap(bond, swap_slave, bond->curr_active_slave); @@ -1755,16 +1750,15 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr, bond->alb_info.rlb_enabled); + read_lock(&bond->lock); alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr); if (bond->alb_info.rlb_enabled) { /* inform clients mac address has changed */ rlb_req_update_slave_clients(bond, bond->curr_active_slave); } + read_unlock(&bond->lock); } - read_lock(&bond->lock); - write_lock_bh(&bond->curr_slave_lock); - return 0; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 63369b6b14d..74824028f85 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2213,33 +2213,24 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in { struct bonding *bond = netdev_priv(bond_dev); struct slave *slave; - int i, found = 0; - - if (info->slave_id < 0) { - return -ENODEV; - } + int i, res = -ENODEV; read_lock(&bond->lock); bond_for_each_slave(bond, slave, i) { if (i == (int)info->slave_id) { - found = 1; + res = 0; + strcpy(info->slave_name, slave->dev->name); + info->link = slave->link; + info->state = slave->state; + info->link_failure_count = slave->link_failure_count; break; } } read_unlock(&bond->lock); - if (found) { - strcpy(info->slave_name, slave->dev->name); - info->link = slave->link; - info->state = slave->state; - info->link_failure_count = slave->link_failure_count; - } else { - return -ENODEV; - } - - return 0; + return res; } /*-------------------------------- Monitoring -------------------------------*/ @@ -5167,16 +5158,15 @@ int bond_create(char *name, struct bond_params *params) up_write(&bonding_rwsem); rtnl_unlock(); /* allows sysfs registration of net device */ res = bond_create_sysfs_entry(netdev_priv(bond_dev)); - if (res < 0) { - rtnl_lock(); - down_write(&bonding_rwsem); - bond_deinit(bond_dev); - unregister_netdevice(bond_dev); - goto out_rtnl; - } + if (res < 0) + goto out_unreg; return 0; +out_unreg: + rtnl_lock(); + down_write(&bonding_rwsem); + unregister_netdevice(bond_dev); out_bond: bond_deinit(bond_dev); out_netdev: @@ -5191,7 +5181,6 @@ static int __init bonding_init(void) { int i; int res; - struct bonding *bond; printk(KERN_INFO "%s", version); @@ -5222,13 +5211,6 @@ static int __init bonding_init(void) goto out; err: - list_for_each_entry(bond, &bond_dev_list, bond_list) { - bond_work_cancel_all(bond); - destroy_workqueue(bond->wq); - } - - bond_destroy_sysfs(); - rtnl_lock(); bond_free_all(); rtnl_unlock(); diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h index 714df2b675e..c888e97c967 100644 --- a/drivers/net/cxgb3/adapter.h +++ b/drivers/net/cxgb3/adapter.h @@ -85,8 +85,8 @@ struct fl_pg_chunk { struct page *page; void *va; unsigned int offset; - u64 *p_cnt; - DECLARE_PCI_UNMAP_ADDR(mapping); + unsigned long *p_cnt; + dma_addr_t mapping; }; struct rx_desc; diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index ab0e5febef8..17858b9a583 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -1117,8 +1117,8 @@ static void cxgb_down(struct adapter *adapter) spin_unlock_irq(&adapter->work_lock); free_irq_resources(adapter); - flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */ quiesce_rx(adapter); + flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */ } static void schedule_chk_task(struct adapter *adap) @@ -1187,6 +1187,9 @@ static int offload_close(struct t3cdev *tdev) sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); + /* Flush work scheduled while releasing TIDs */ + flush_scheduled_work(); + tdev->lldev = NULL; cxgb3_set_dummy_ops(tdev); t3_tp_set_offload_mode(adapter, 0); @@ -1232,6 +1235,10 @@ static int cxgb_close(struct net_device *dev) struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; + + if (!adapter->open_device_map) + return 0; + /* Stop link fault interrupts */ t3_xgm_intr_disable(adapter, pi->port_id); t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); @@ -1247,8 +1254,7 @@ static int cxgb_close(struct net_device *dev) spin_unlock_irq(&adapter->work_lock); if (!(adapter->open_device_map & PORT_MASK)) - cancel_rearming_delayed_workqueue(cxgb3_wq, - &adapter->adap_check_task); + cancel_delayed_work_sync(&adapter->adap_check_task); if (!adapter->open_device_map) cxgb_down(adapter); @@ -2490,13 +2496,16 @@ static void check_link_status(struct adapter *adapter) for_each_port(adapter, i) { struct net_device *dev = adapter->port[i]; struct port_info *p = netdev_priv(dev); + int link_fault; spin_lock_irq(&adapter->work_lock); - if (p->link_fault) { - spin_unlock_irq(&adapter->work_lock); + link_fault = p->link_fault; + spin_unlock_irq(&adapter->work_lock); + + if (link_fault) { + t3_link_fault(adapter, i); continue; } - spin_unlock_irq(&adapter->work_lock); if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) { t3_xgm_intr_disable(adapter, i); @@ -2554,9 +2563,7 @@ static void t3_adap_check_task(struct work_struct *work) adapter->check_task_cnt++; - /* Check link status for PHYs without interrupts */ - if (p->linkpoll_period) - check_link_status(adapter); + check_link_status(adapter); /* Accumulate MAC stats if needed */ if (!p->linkpoll_period || @@ -2680,21 +2687,6 @@ void t3_os_ext_intr_handler(struct adapter *adapter) spin_unlock(&adapter->work_lock); } -static void link_fault_task(struct work_struct *work) -{ - struct adapter *adapter = container_of(work, struct adapter, - link_fault_handler_task); - int i; - - for_each_port(adapter, i) { - struct net_device *netdev = adapter->port[i]; - struct port_info *pi = netdev_priv(netdev); - - if (pi->link_fault) - t3_link_fault(adapter, i); - } -} - void t3_os_link_fault_handler(struct adapter *adapter, int port_id) { struct net_device *netdev = adapter->port[port_id]; @@ -2702,7 +2694,6 @@ void t3_os_link_fault_handler(struct adapter *adapter, int port_id) spin_lock(&adapter->work_lock); pi->link_fault = 1; - queue_work(cxgb3_wq, &adapter->link_fault_handler_task); spin_unlock(&adapter->work_lock); } @@ -2838,6 +2829,9 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, struct adapter *adapter = pci_get_drvdata(pdev); int ret; + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + ret = t3_adapter_error(adapter, 0); /* Request a slot reset. */ @@ -2932,8 +2926,13 @@ static int __devinit cxgb_enable_msix(struct adapter *adap) while ((err = pci_enable_msix(adap->pdev, entries, vectors)) > 0) vectors = err; - if (!err && vectors < (adap->params.nports + 1)) + if (err < 0) + pci_disable_msix(adap->pdev); + + if (!err && vectors < (adap->params.nports + 1)) { + pci_disable_msix(adap->pdev); err = -1; + } if (!err) { for (i = 0; i < vectors; ++i) @@ -3082,7 +3081,6 @@ static int __devinit init_one(struct pci_dev *pdev, INIT_LIST_HEAD(&adapter->adapter_list); INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); - INIT_WORK(&adapter->link_fault_handler_task, link_fault_task); INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 26d3587f339..b3ee2bc1a00 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -355,7 +355,7 @@ static void clear_rx_desc(struct pci_dev *pdev, const struct sge_fl *q, (*d->pg_chunk.p_cnt)--; if (!*d->pg_chunk.p_cnt) pci_unmap_page(pdev, - pci_unmap_addr(&d->pg_chunk, mapping), + d->pg_chunk.mapping, q->alloc_size, PCI_DMA_FROMDEVICE); put_page(d->pg_chunk.page); @@ -454,7 +454,7 @@ static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q, q->pg_chunk.offset = 0; mapping = pci_map_page(adapter->pdev, q->pg_chunk.page, 0, q->alloc_size, PCI_DMA_FROMDEVICE); - pci_unmap_addr_set(&q->pg_chunk, mapping, mapping); + q->pg_chunk.mapping = mapping; } sd->pg_chunk = q->pg_chunk; @@ -511,8 +511,7 @@ static int refill_fl(struct adapter *adap, struct sge_fl *q, int n, gfp_t gfp) nomem: q->alloc_failed++; break; } - mapping = pci_unmap_addr(&sd->pg_chunk, mapping) + - sd->pg_chunk.offset; + mapping = sd->pg_chunk.mapping + sd->pg_chunk.offset; pci_unmap_addr_set(sd, dma_addr, mapping); add_one_rx_chunk(mapping, d, q->gen); @@ -881,7 +880,7 @@ recycle: (*sd->pg_chunk.p_cnt)--; if (!*sd->pg_chunk.p_cnt) pci_unmap_page(adap->pdev, - pci_unmap_addr(&sd->pg_chunk, mapping), + sd->pg_chunk.mapping, fl->alloc_size, PCI_DMA_FROMDEVICE); if (!skb) { @@ -2096,7 +2095,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs, (*sd->pg_chunk.p_cnt)--; if (!*sd->pg_chunk.p_cnt) pci_unmap_page(adap->pdev, - pci_unmap_addr(&sd->pg_chunk, mapping), + sd->pg_chunk.mapping, fl->alloc_size, PCI_DMA_FROMDEVICE); diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 31ed31a3428..4950d5d789a 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -1202,7 +1202,6 @@ void t3_link_changed(struct adapter *adapter, int port_id) struct cphy *phy = &pi->phy; struct cmac *mac = &pi->mac; struct link_config *lc = &pi->link_config; - int force_link_down = 0; phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc); @@ -1218,14 +1217,9 @@ void t3_link_changed(struct adapter *adapter, int port_id) status = t3_read_reg(adapter, A_XGM_INT_STATUS + mac->offset); if (status & F_LINKFAULTCHANGE) { mac->stats.link_faults++; - force_link_down = 1; + pi->link_fault = 1; } t3_open_rx_traffic(mac, rx_cfg, rx_hash_high, rx_hash_low); - - if (force_link_down) { - t3_os_link_fault_handler(adapter, port_id); - return; - } } if (lc->requested_fc & PAUSE_AUTONEG) @@ -1280,6 +1274,11 @@ void t3_link_fault(struct adapter *adapter, int port_id) A_XGM_INT_STATUS + mac->offset); link_fault &= F_LINKFAULTCHANGE; + link_ok = lc->link_ok; + speed = lc->speed; + duplex = lc->duplex; + fc = lc->fc; + phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc); if (link_fault) { @@ -1292,9 +1291,6 @@ void t3_link_fault(struct adapter *adapter, int port_id) /* Account link faults only when the phy reports a link up */ if (link_ok) mac->stats.link_faults++; - - msleep(1000); - t3_os_link_fault_handler(adapter, port_id); } else { if (link_ok) t3_write_reg(adapter, A_XGM_XAUI_ACT_CTRL + mac->offset, @@ -3788,7 +3784,7 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, adapter->params.info = ai; adapter->params.nports = ai->nports0 + ai->nports1; - adapter->params.chan_map = !!ai->nports0 | (!!ai->nports1 << 1); + adapter->params.chan_map = (!!ai->nports0) | (!!ai->nports1 << 1); adapter->params.rev = t3_read_reg(adapter, A_PL_REV); /* * We used to only run the "adapter check task" once a second if diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 5c0b457c786..0f9ee134855 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2728,7 +2728,7 @@ static void __devexit e100_remove(struct pci_dev *pdev) #define E100_82552_SMARTSPEED 0x14 /* SmartSpeed Ctrl register */ #define E100_82552_REV_ANEG 0x0200 /* Reverse auto-negotiation */ #define E100_82552_ANEG_NOW 0x0400 /* Auto-negotiate now */ -static int e100_suspend(struct pci_dev *pdev, pm_message_t state) +static void __e100_shutdown(struct pci_dev *pdev, bool *enable_wake) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); @@ -2749,19 +2749,32 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state) E100_82552_SMARTSPEED, smartspeed | E100_82552_REV_ANEG | E100_82552_ANEG_NOW); } - if (pci_enable_wake(pdev, PCI_D3cold, true)) - pci_enable_wake(pdev, PCI_D3hot, true); + *enable_wake = true; } else { - pci_enable_wake(pdev, PCI_D3hot, false); + *enable_wake = false; } pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); +} - return 0; +static int __e100_power_off(struct pci_dev *pdev, bool wake) +{ + if (wake) { + return pci_prepare_to_sleep(pdev); + } else { + pci_wake_from_d3(pdev, false); + return pci_set_power_state(pdev, PCI_D3hot); + } } #ifdef CONFIG_PM +static int e100_suspend(struct pci_dev *pdev, pm_message_t state) +{ + bool wake; + __e100_shutdown(pdev, &wake); + return __e100_power_off(pdev, wake); +} + static int e100_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -2792,7 +2805,10 @@ static int e100_resume(struct pci_dev *pdev) static void e100_shutdown(struct pci_dev *pdev) { - e100_suspend(pdev, PMSG_SUSPEND); + bool wake; + __e100_shutdown(pdev, &wake); + if (system_state == SYSTEM_POWER_OFF) + __e100_power_off(pdev, wake); } /* ------------------ PCI Error Recovery infrastructure -------------- */ diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index ef12931d302..fffb006b7d9 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -3738,7 +3738,7 @@ static irqreturn_t e1000_intr(int irq, void *data) struct e1000_hw *hw = &adapter->hw; u32 rctl, icr = er32(ICR); - if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags))) + if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags))) return IRQ_NONE; /* Not our interrupt */ /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is @@ -3834,7 +3834,6 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter, struct e1000_buffer *buffer_info; unsigned int i, eop; unsigned int count = 0; - bool cleaned = false; unsigned int total_tx_bytes=0, total_tx_packets=0; i = tx_ring->next_to_clean; @@ -3843,7 +3842,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter, while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) && (count < tx_ring->count)) { - for (cleaned = false; !cleaned; count++) { + bool cleaned = false; + for ( ; !cleaned; count++) { tx_desc = E1000_TX_DESC(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; cleaned = (i == eop); @@ -3871,7 +3871,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter, tx_ring->next_to_clean = i; #define TX_WAKE_THRESHOLD 32 - if (unlikely(cleaned && netif_carrier_ok(netdev) && + if (unlikely(count && netif_carrier_ok(netdev) && E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) { /* Make sure that anybody stopping the queue after this * sees the new next_to_clean. @@ -4027,8 +4027,9 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, PCI_DMA_FROMDEVICE); length = le16_to_cpu(rx_desc->length); - - if (unlikely(!(status & E1000_RXD_STAT_EOP))) { + /* !EOP means multiple descriptors were used to store a single + * packet, also make sure the frame isn't just CRC only */ + if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) { /* All receives must fit into a single buffer */ E1000_DBG("%s: Receive packet consumed multiple" " buffers\n", netdev->name); diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 1693ed116b1..ca82f19a7ed 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -621,7 +621,6 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) struct e1000_buffer *buffer_info; unsigned int i, eop; unsigned int count = 0; - bool cleaned = false; unsigned int total_tx_bytes = 0, total_tx_packets = 0; i = tx_ring->next_to_clean; @@ -630,7 +629,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) && (count < tx_ring->count)) { - for (cleaned = 0; !cleaned; count++) { + bool cleaned = false; + for (; !cleaned; count++) { tx_desc = E1000_TX_DESC(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; cleaned = (i == eop); @@ -661,8 +661,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) tx_ring->next_to_clean = i; #define TX_WAKE_THRESHOLD 32 - if (cleaned && netif_carrier_ok(netdev) && - e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) { + if (count && netif_carrier_ok(netdev) && + e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) { /* Make sure that anybody stopping the queue after this * sees the new next_to_clean. */ diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 6e317caf429..16a41389575 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -40,7 +40,7 @@ #include <asm/io.h> #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0100" +#define DRV_VERSION "EHEA_0101" /* eHEA capability flags */ #define DLPAR_PORT_ADD_REM 1 diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 604c844d076..b22dab9153f 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -545,14 +545,17 @@ static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array, x &= (arr_len - 1); pref = skb_array[x]; - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); - - pref = (skb_array[x]->data); - prefetch(pref); - prefetch(pref + EHEA_CACHE_LINE); - prefetch(pref + EHEA_CACHE_LINE * 2); - prefetch(pref + EHEA_CACHE_LINE * 3); + if (pref) { + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); + + pref = (skb_array[x]->data); + prefetch(pref); + prefetch(pref + EHEA_CACHE_LINE); + prefetch(pref + EHEA_CACHE_LINE * 2); + prefetch(pref + EHEA_CACHE_LINE * 3); + } + skb = skb_array[skb_index]; skb_array[skb_index] = NULL; return skb; @@ -569,12 +572,14 @@ static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array, x &= (arr_len - 1); pref = skb_array[x]; - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + if (pref) { + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); - pref = (skb_array[x]->data); - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + pref = (skb_array[x]->data); + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); + } skb = skb_array[wqe_index]; skb_array[wqe_index] = NULL; diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 11d5db16ed9..9f6a68fb7b4 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -897,6 +897,12 @@ enum { }; static int phy_cross = NV_CROSSOVER_DETECTION_DISABLED; +/* + * Power down phy when interface is down (persists through reboot; + * older Linux and other OSes may not power it up again) + */ +static int phy_power_down = 0; + static inline struct fe_priv *get_nvpriv(struct net_device *dev) { return netdev_priv(dev); @@ -1485,7 +1491,10 @@ static int phy_init(struct net_device *dev) /* restart auto negotiation, power down phy */ mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); - mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE | BMCR_PDOWN); + mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE); + if (phy_power_down) { + mii_control |= BMCR_PDOWN; + } if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) { return PHY_ERROR; } @@ -1880,6 +1889,7 @@ static void nv_init_tx(struct net_device *dev) np->tx_pkts_in_progress = 0; np->tx_change_owner = NULL; np->tx_end_flip = NULL; + np->tx_stop = 0; for (i = 0; i < np->tx_ring_size; i++) { if (!nv_optimized(np)) { @@ -2530,6 +2540,8 @@ static void nv_tx_timeout(struct net_device *dev) struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); u32 status; + union ring_type put_tx; + int saved_tx_limit; if (np->msi_flags & NV_MSI_X_ENABLED) status = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; @@ -2589,24 +2601,32 @@ static void nv_tx_timeout(struct net_device *dev) /* 1) stop tx engine */ nv_stop_tx(dev); - /* 2) check that the packets were not sent already: */ + /* 2) complete any outstanding tx and do not give HW any limited tx pkts */ + saved_tx_limit = np->tx_limit; + np->tx_limit = 0; /* prevent giving HW any limited pkts */ + np->tx_stop = 0; /* prevent waking tx queue */ if (!nv_optimized(np)) nv_tx_done(dev, np->tx_ring_size); else nv_tx_done_optimized(dev, np->tx_ring_size); - /* 3) if there are dead entries: clear everything */ - if (np->get_tx_ctx != np->put_tx_ctx) { - printk(KERN_DEBUG "%s: tx_timeout: dead entries!\n", dev->name); - nv_drain_tx(dev); - nv_init_tx(dev); - setup_hw_rings(dev, NV_SETUP_TX_RING); - } + /* save current HW postion */ + if (np->tx_change_owner) + put_tx.ex = np->tx_change_owner->first_tx_desc; + else + put_tx = np->put_tx; - netif_wake_queue(dev); + /* 3) clear all tx state */ + nv_drain_tx(dev); + nv_init_tx(dev); - /* 4) restart tx engine */ + /* 4) restore state to current HW position */ + np->get_tx = np->put_tx = put_tx; + np->tx_limit = saved_tx_limit; + + /* 5) restart tx engine */ nv_start_tx(dev); + netif_wake_queue(dev); spin_unlock_irq(&np->lock); } @@ -5502,7 +5522,7 @@ static int nv_close(struct net_device *dev) nv_drain_rxtx(dev); - if (np->wolenabled) { + if (np->wolenabled || !phy_power_down) { writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); nv_start_rx(dev); } else { @@ -6356,6 +6376,8 @@ module_param(dma_64bit, int, 0); MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0."); module_param(phy_cross, int, 0); MODULE_PARM_DESC(phy_cross, "Phy crossover detection for Realtek 8201 phy is enabled by setting to 1 and disabled by setting to 0."); +module_param(phy_power_down, int, 0); +MODULE_PARM_DESC(phy_power_down, "Power down phy and disable link when interface is down (1), or leave phy powered up (0)."); MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>"); MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver"); diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index b2c49679bba..a0519184e54 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -1885,8 +1885,17 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit) if (unlikely(!newskb)) newskb = skb; - else if (skb) + else if (skb) { + /* + * We need to reset ->data to what it + * was before gfar_new_skb() re-aligned + * it to an RXBUF_ALIGNMENT boundary + * before we put the skb back on the + * recycle list. + */ + skb->data = skb->head + NET_SKB_PAD; __skb_queue_head(&priv->rx_recycle, skb); + } } else { /* Increment the number of packets */ dev->stats.rx_packets++; diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 0642d52aef5..cf352961ae9 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -259,7 +259,7 @@ extern const char gfar_driver_version[]; (IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \ IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \ | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \ - | IEVENT_MAG) + | IEVENT_MAG | IEVENT_BABR) #define IMASK_INIT_CLEAR 0x00000000 #define IMASK_BABR 0x80000000 diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 08c801490c7..e25343588fc 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2006,7 +2006,7 @@ static void igb_setup_rctl(struct igb_adapter *adapter) struct e1000_hw *hw = &adapter->hw; u32 rctl; u32 srrctl = 0; - int i, j; + int i; rctl = rd32(E1000_RCTL); @@ -2071,8 +2071,6 @@ static void igb_setup_rctl(struct igb_adapter *adapter) if (adapter->vfs_allocated_count) { u32 vmolr; - j = adapter->rx_ring[0].reg_idx; - /* set all queue drop enable bits */ wr32(E1000_QDE, ALL_QUEUES); srrctl |= E1000_SRRCTL_DROP_EN; @@ -2080,16 +2078,16 @@ static void igb_setup_rctl(struct igb_adapter *adapter) /* disable queue 0 to prevent tail write w/o re-config */ wr32(E1000_RXDCTL(0), 0); - vmolr = rd32(E1000_VMOLR(j)); + vmolr = rd32(E1000_VMOLR(adapter->vfs_allocated_count)); if (rctl & E1000_RCTL_LPE) vmolr |= E1000_VMOLR_LPE; - if (adapter->num_rx_queues > 0) + if (adapter->num_rx_queues > 1) vmolr |= E1000_VMOLR_RSSE; - wr32(E1000_VMOLR(j), vmolr); + wr32(E1000_VMOLR(adapter->vfs_allocated_count), vmolr); } for (i = 0; i < adapter->num_rx_queues; i++) { - j = adapter->rx_ring[i].reg_idx; + int j = adapter->rx_ring[i].reg_idx; wr32(E1000_SRRCTL(j), srrctl); } diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c index 5567519676d..186a65069b3 100644 --- a/drivers/net/ixgbe/ixgbe_common.c +++ b/drivers/net/ixgbe/ixgbe_common.c @@ -50,7 +50,6 @@ static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw); static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index); static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index); static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr); -static void ixgbe_add_mc_addr(struct ixgbe_hw *hw, u8 *mc_addr); static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq); /** @@ -1377,8 +1376,7 @@ s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list, * Clear accounting of old secondary address list, * don't count RAR[0] */ - uc_addr_in_use = hw->addr_ctrl.rar_used_count - - hw->addr_ctrl.mc_addr_in_rar_count - 1; + uc_addr_in_use = hw->addr_ctrl.rar_used_count - 1; hw->addr_ctrl.rar_used_count -= uc_addr_in_use; hw->addr_ctrl.overflow_promisc = 0; @@ -1493,40 +1491,6 @@ static void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr) } /** - * ixgbe_add_mc_addr - Adds a multicast address. - * @hw: pointer to hardware structure - * @mc_addr: new multicast address - * - * Adds it to unused receive address register or to the multicast table. - **/ -static void ixgbe_add_mc_addr(struct ixgbe_hw *hw, u8 *mc_addr) -{ - u32 rar_entries = hw->mac.num_rar_entries; - u32 rar; - - hw_dbg(hw, " MC Addr =%.2X %.2X %.2X %.2X %.2X %.2X\n", - mc_addr[0], mc_addr[1], mc_addr[2], - mc_addr[3], mc_addr[4], mc_addr[5]); - - /* - * Place this multicast address in the RAR if there is room, - * else put it in the MTA - */ - if (hw->addr_ctrl.rar_used_count < rar_entries) { - /* use RAR from the end up for multicast */ - rar = rar_entries - hw->addr_ctrl.mc_addr_in_rar_count - 1; - hw->mac.ops.set_rar(hw, rar, mc_addr, 0, IXGBE_RAH_AV); - hw_dbg(hw, "Added a multicast address to RAR[%d]\n", rar); - hw->addr_ctrl.rar_used_count++; - hw->addr_ctrl.mc_addr_in_rar_count++; - } else { - ixgbe_set_mta(hw, mc_addr); - } - - hw_dbg(hw, "ixgbe_add_mc_addr Complete\n"); -} - -/** * ixgbe_update_mc_addr_list_generic - Updates MAC list of multicast addresses * @hw: pointer to hardware structure * @mc_addr_list: the list of new multicast addresses @@ -1542,7 +1506,6 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list, u32 mc_addr_count, ixgbe_mc_addr_itr next) { u32 i; - u32 rar_entries = hw->mac.num_rar_entries; u32 vmdq; /* @@ -1550,18 +1513,8 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list, * use. */ hw->addr_ctrl.num_mc_addrs = mc_addr_count; - hw->addr_ctrl.rar_used_count -= hw->addr_ctrl.mc_addr_in_rar_count; - hw->addr_ctrl.mc_addr_in_rar_count = 0; hw->addr_ctrl.mta_in_use = 0; - /* Zero out the other receive addresses. */ - hw_dbg(hw, "Clearing RAR[%d-%d]\n", hw->addr_ctrl.rar_used_count, - rar_entries - 1); - for (i = hw->addr_ctrl.rar_used_count; i < rar_entries; i++) { - IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0); - IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0); - } - /* Clear the MTA */ hw_dbg(hw, " Clearing MTA\n"); for (i = 0; i < hw->mac.mcft_size; i++) @@ -1570,7 +1523,7 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list, /* Add the new addresses */ for (i = 0; i < mc_addr_count; i++) { hw_dbg(hw, " Adding the multicast addresses:\n"); - ixgbe_add_mc_addr(hw, next(hw, &mc_addr_list, &vmdq)); + ixgbe_set_mta(hw, next(hw, &mc_addr_list, &vmdq)); } /* Enable mta */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c index 470b676c1da..f4417fc3b0f 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.c @@ -290,7 +290,7 @@ s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, struct ixgbe_dcb_config *dcb_config) { - u32 i, reg; + u32 i, reg, rx_pba_size; /* If PFC is disabled globally then fall back to LFC. */ if (!dcb_config->pfc_mode_enable) { @@ -301,17 +301,23 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, /* Configure PFC Tx thresholds per TC */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - /* Config and remember Tx */ + if (dcb_config->rx_pba_cfg == pba_equal) + rx_pba_size = IXGBE_RXPBSIZE_64KB; + else + rx_pba_size = (i < 4) ? IXGBE_RXPBSIZE_80KB + : IXGBE_RXPBSIZE_48KB; + + reg = ((rx_pba_size >> 5) & 0xFFE0); if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) { - reg = hw->fc.high_water | IXGBE_FCRTH_FCEN; - IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), reg); - reg = hw->fc.low_water | IXGBE_FCRTL_XONE; - IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg); - } else { - IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), 0); - IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), 0); - } + dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + reg |= IXGBE_FCRTL_XONE; + IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg); + + reg = ((rx_pba_size >> 2) & 0xFFE0); + if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || + dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + reg |= IXGBE_FCRTH_FCEN; + IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), reg); } /* Configure pause time (2 TCs per register) */ diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index febde45cf9f..07e778d3e5d 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -2841,11 +2841,55 @@ static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter) } ret = true; } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) { - for (i = 0; i < dcb_i; i++) { - adapter->rx_ring[i].reg_idx = i << 4; - adapter->tx_ring[i].reg_idx = i << 4; + if (dcb_i == 8) { + /* + * Tx TC0 starts at: descriptor queue 0 + * Tx TC1 starts at: descriptor queue 32 + * Tx TC2 starts at: descriptor queue 64 + * Tx TC3 starts at: descriptor queue 80 + * Tx TC4 starts at: descriptor queue 96 + * Tx TC5 starts at: descriptor queue 104 + * Tx TC6 starts at: descriptor queue 112 + * Tx TC7 starts at: descriptor queue 120 + * + * Rx TC0-TC7 are offset by 16 queues each + */ + for (i = 0; i < 3; i++) { + adapter->tx_ring[i].reg_idx = i << 5; + adapter->rx_ring[i].reg_idx = i << 4; + } + for ( ; i < 5; i++) { + adapter->tx_ring[i].reg_idx = + ((i + 2) << 4); + adapter->rx_ring[i].reg_idx = i << 4; + } + for ( ; i < dcb_i; i++) { + adapter->tx_ring[i].reg_idx = + ((i + 8) << 3); + adapter->rx_ring[i].reg_idx = i << 4; + } + + ret = true; + } else if (dcb_i == 4) { + /* + * Tx TC0 starts at: descriptor queue 0 + * Tx TC1 starts at: descriptor queue 64 + * Tx TC2 starts at: descriptor queue 96 + * Tx TC3 starts at: descriptor queue 112 + * + * Rx TC0-TC3 are offset by 32 queues each + */ + adapter->tx_ring[0].reg_idx = 0; + adapter->tx_ring[1].reg_idx = 64; + adapter->tx_ring[2].reg_idx = 96; + adapter->tx_ring[3].reg_idx = 112; + for (i = 0 ; i < dcb_i; i++) + adapter->rx_ring[i].reg_idx = i << 5; + + ret = true; + } else { + ret = false; } - ret = true; } else { ret = false; } @@ -3602,6 +3646,8 @@ static int ixgbe_resume(struct pci_dev *pdev) ixgbe_reset(adapter); + IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0); + if (netif_running(netdev)) { err = ixgbe_open(adapter->netdev); if (err) @@ -3946,7 +3992,7 @@ static void ixgbe_sfp_config_module_task(struct work_struct *work) } hw->mac.ops.setup_sfp(hw); - if (!adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK) + if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK)) /* This will also work for DA Twinax connections */ schedule_work(&adapter->multispeed_fiber_task); adapter->flags &= ~IXGBE_FLAG_IN_SFP_MOD_TASK; @@ -4531,7 +4577,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data]; static int cards_found; int i, err, pci_using_dac; - u16 pm_value = 0; u32 part_num, eec; err = pci_enable_device(pdev); @@ -4719,11 +4764,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, switch (pdev->device) { case IXGBE_DEV_ID_82599_KX4: -#define IXGBE_PCIE_PMCSR 0x44 - adapter->wol = IXGBE_WUFC_MAG; - pci_read_config_word(pdev, IXGBE_PCIE_PMCSR, &pm_value); - pci_write_config_word(pdev, IXGBE_PCIE_PMCSR, - (pm_value | (1 << 8))); + adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX | + IXGBE_WUFC_MC | IXGBE_WUFC_BC); break; default: adapter->wol = 0; diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c index 8e884869a05..22e74a0e036 100644 --- a/drivers/net/mac8390.c +++ b/drivers/net/mac8390.c @@ -304,7 +304,7 @@ 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); @@ -481,15 +481,15 @@ void cleanup_module(void) static const struct net_device_ops mac8390_netdev_ops = { .ndo_open = mac8390_open, .ndo_stop = mac8390_close, - .ndo_start_xmit = ei_start_xmit, - .ndo_tx_timeout = ei_tx_timeout, - .ndo_get_stats = ei_get_stats, - .ndo_set_multicast_list = ei_set_multicast_list, + .ndo_start_xmit = __ei_start_xmit, + .ndo_tx_timeout = __ei_tx_timeout, + .ndo_get_stats = __ei_get_stats, + .ndo_set_multicast_list = __ei_set_multicast_list, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = eth_mac_addr, .ndo_change_mtu = eth_change_mtu, #ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = ei_poll, + .ndo_poll_controller = __ei_poll, #endif }; diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 46073de290c..e82aee41d77 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -316,10 +316,11 @@ static void macb_tx(struct macb *bp) dev_dbg(&bp->pdev->dev, "macb_tx status = %02lx\n", (unsigned long)status); - if (status & MACB_BIT(UND)) { + if (status & (MACB_BIT(UND) | MACB_BIT(TSR_RLE))) { int i; - printk(KERN_ERR "%s: TX underrun, resetting buffers\n", - bp->dev->name); + printk(KERN_ERR "%s: TX %s, resetting buffers\n", + bp->dev->name, status & MACB_BIT(UND) ? + "underrun" : "retry limit exceeded"); /* Transfer ongoing, disable transmitter, to avoid confusion */ if (status & MACB_BIT(TGO)) @@ -520,27 +521,10 @@ static int macb_poll(struct napi_struct *napi, int budget) macb_writel(bp, RSR, status); work_done = 0; - if (!status) { - /* - * This may happen if an interrupt was pending before - * this function was called last time, and no packets - * have been received since. - */ - napi_complete(napi); - 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); - napi_complete(napi); - goto out; - } - work_done = macb_rx(bp, budget); if (work_done < budget) napi_complete(napi); @@ -549,7 +533,6 @@ static int macb_poll(struct napi_struct *napi, int budget) * 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 */ @@ -590,7 +573,8 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) } } - if (status & (MACB_BIT(TCOMP) | MACB_BIT(ISR_TUND))) + if (status & (MACB_BIT(TCOMP) | MACB_BIT(ISR_TUND) | + MACB_BIT(ISR_RLE))) macb_tx(bp); /* diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 70d3ef4a2c5..214a8cf2b70 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -376,7 +376,8 @@ static u32 macvlan_ethtool_get_rx_csum(struct net_device *dev) const struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - if (lowerdev->ethtool_ops->get_rx_csum == NULL) + if (lowerdev->ethtool_ops == NULL || + lowerdev->ethtool_ops->get_rx_csum == NULL) return 0; return lowerdev->ethtool_ops->get_rx_csum(lowerdev); } @@ -387,7 +388,8 @@ static int macvlan_ethtool_get_settings(struct net_device *dev, const struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - if (!lowerdev->ethtool_ops->get_settings) + if (!lowerdev->ethtool_ops || + !lowerdev->ethtool_ops->get_settings) return -EOPNOTSUPP; return lowerdev->ethtool_ops->get_settings(lowerdev, cmd); @@ -398,7 +400,8 @@ static u32 macvlan_ethtool_get_flags(struct net_device *dev) const struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - if (!lowerdev->ethtool_ops->get_flags) + if (!lowerdev->ethtool_ops || + !lowerdev->ethtool_ops->get_flags) return 0; return lowerdev->ethtool_ops->get_flags(lowerdev); } diff --git a/drivers/net/meth.c b/drivers/net/meth.c index aa08987f6e8..dbd3436912b 100644 --- a/drivers/net/meth.c +++ b/drivers/net/meth.c @@ -127,11 +127,11 @@ static unsigned long mdio_read(struct meth_private *priv, unsigned long phyreg) static int mdio_probe(struct meth_private *priv) { int i; - unsigned long p2, p3; + unsigned long p2, p3, flags; /* check if phy is detected already */ if(priv->phy_addr>=0&&priv->phy_addr<32) return 0; - spin_lock(&priv->meth_lock); + spin_lock_irqsave(&priv->meth_lock, flags); for (i=0;i<32;++i){ priv->phy_addr=i; p2=mdio_read(priv,2); @@ -157,7 +157,7 @@ static int mdio_probe(struct meth_private *priv) break; } } - spin_unlock(&priv->meth_lock); + spin_unlock_irqrestore(&priv->meth_lock, flags); if(priv->phy_addr<32) { return 0; } @@ -373,14 +373,14 @@ static int meth_release(struct net_device *dev) static void meth_rx(struct net_device* dev, unsigned long int_status) { struct sk_buff *skb; - unsigned long status; + unsigned long status, flags; struct meth_private *priv = netdev_priv(dev); unsigned long fifo_rptr = (int_status & METH_INT_RX_RPTR_MASK) >> 8; - spin_lock(&priv->meth_lock); + spin_lock_irqsave(&priv->meth_lock, flags); priv->dma_ctrl &= ~METH_DMA_RX_INT_EN; mace->eth.dma_ctrl = priv->dma_ctrl; - spin_unlock(&priv->meth_lock); + spin_unlock_irqrestore(&priv->meth_lock, flags); if (int_status & METH_INT_RX_UNDERFLOW) { fifo_rptr = (fifo_rptr - 1) & 0x0f; @@ -452,12 +452,12 @@ static void meth_rx(struct net_device* dev, unsigned long int_status) mace->eth.rx_fifo = priv->rx_ring_dmas[priv->rx_write]; ADVANCE_RX_PTR(priv->rx_write); } - spin_lock(&priv->meth_lock); + spin_lock_irqsave(&priv->meth_lock, flags); /* In case there was underflow, and Rx DMA was disabled */ priv->dma_ctrl |= METH_DMA_RX_INT_EN | METH_DMA_RX_EN; mace->eth.dma_ctrl = priv->dma_ctrl; mace->eth.int_stat = METH_INT_RX_THRESHOLD; - spin_unlock(&priv->meth_lock); + spin_unlock_irqrestore(&priv->meth_lock, flags); } static int meth_tx_full(struct net_device *dev) @@ -470,11 +470,11 @@ static int meth_tx_full(struct net_device *dev) static void meth_tx_cleanup(struct net_device* dev, unsigned long int_status) { struct meth_private *priv = netdev_priv(dev); - unsigned long status; + unsigned long status, flags; struct sk_buff *skb; unsigned long rptr = (int_status&TX_INFO_RPTR) >> 16; - spin_lock(&priv->meth_lock); + spin_lock_irqsave(&priv->meth_lock, flags); /* Stop DMA notification */ priv->dma_ctrl &= ~(METH_DMA_TX_INT_EN); @@ -527,12 +527,13 @@ static void meth_tx_cleanup(struct net_device* dev, unsigned long int_status) } mace->eth.int_stat = METH_INT_TX_EMPTY | METH_INT_TX_PKT; - spin_unlock(&priv->meth_lock); + spin_unlock_irqrestore(&priv->meth_lock, flags); } static void meth_error(struct net_device* dev, unsigned status) { struct meth_private *priv = netdev_priv(dev); + unsigned long flags; printk(KERN_WARNING "meth: error status: 0x%08x\n",status); /* check for errors too... */ @@ -547,7 +548,7 @@ static void meth_error(struct net_device* dev, unsigned status) printk(KERN_WARNING "meth: Rx overflow\n"); if (status & (METH_INT_RX_UNDERFLOW)) { printk(KERN_WARNING "meth: Rx underflow\n"); - spin_lock(&priv->meth_lock); + spin_lock_irqsave(&priv->meth_lock, flags); mace->eth.int_stat = METH_INT_RX_UNDERFLOW; /* more underflow interrupts will be delivered, * effectively throwing us into an infinite loop. @@ -555,7 +556,7 @@ static void meth_error(struct net_device* dev, unsigned status) priv->dma_ctrl &= ~METH_DMA_RX_EN; mace->eth.dma_ctrl = priv->dma_ctrl; DPRINTK("Disabled meth Rx DMA temporarily\n"); - spin_unlock(&priv->meth_lock); + spin_unlock_irqrestore(&priv->meth_lock, flags); } mace->eth.int_stat = METH_INT_ERROR; } diff --git a/drivers/net/mlx4/en_cq.c b/drivers/net/mlx4/en_cq.c index 91f50de84be..a276125b709 100644 --- a/drivers/net/mlx4/en_cq.c +++ b/drivers/net/mlx4/en_cq.c @@ -125,8 +125,10 @@ void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq) if (cq->is_tx) del_timer(&cq->timer); - else + else { napi_disable(&cq->napi); + netif_napi_del(&cq->napi); + } mlx4_cq_free(mdev->dev, &cq->mcq); } diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c index eda72dd2120..510633fd57f 100644 --- a/drivers/net/mlx4/en_main.c +++ b/drivers/net/mlx4/en_main.c @@ -181,7 +181,7 @@ static void *mlx4_en_add(struct mlx4_dev *dev) mdev->workqueue = create_singlethread_workqueue("mlx4_en"); if (!mdev->workqueue) { err = -ENOMEM; - goto err_close_nic; + goto err_mr; } /* At this stage all non-port specific tasks are complete: @@ -214,9 +214,8 @@ err_free_netdev: flush_workqueue(mdev->workqueue); /* Stop event queue before we drop down to release shared SW state */ - -err_close_nic: destroy_workqueue(mdev->workqueue); + err_mr: mlx4_mr_free(dev, &mdev->mr); err_uar: diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c index 303c23de6ca..7bcc49de163 100644 --- a/drivers/net/mlx4/en_netdev.c +++ b/drivers/net/mlx4/en_netdev.c @@ -348,11 +348,9 @@ static void mlx4_en_tx_timeout(struct net_device *dev) if (netif_msg_timer(priv)) mlx4_warn(mdev, "Tx timeout called on port:%d\n", priv->port); - if (netif_carrier_ok(dev)) { - priv->port_stats.tx_timeout++; - mlx4_dbg(DRV, priv, "Scheduling watchdog\n"); - queue_work(mdev->workqueue, &priv->watchdog_task); - } + priv->port_stats.tx_timeout++; + mlx4_dbg(DRV, priv, "Scheduling watchdog\n"); + queue_work(mdev->workqueue, &priv->watchdog_task); } @@ -585,7 +583,7 @@ int mlx4_en_start_port(struct net_device *dev) err = mlx4_en_activate_cq(priv, cq); if (err) { mlx4_err(mdev, "Failed activating Rx CQ\n"); - goto rx_err; + goto cq_err; } for (j = 0; j < cq->size; j++) cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK; @@ -761,9 +759,14 @@ static void mlx4_en_restart(struct work_struct *work) struct net_device *dev = priv->dev; mlx4_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port); - mlx4_en_stop_port(dev); - if (mlx4_en_start_port(dev)) - mlx4_err(mdev, "Failed restarting port %d\n", priv->port); + + mutex_lock(&mdev->state_lock); + if (priv->port_up) { + mlx4_en_stop_port(dev); + if (mlx4_en_start_port(dev)) + mlx4_err(mdev, "Failed restarting port %d\n", priv->port); + } + mutex_unlock(&mdev->state_lock); } @@ -1054,7 +1057,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, * Set driver features */ dev->features |= NETIF_F_SG; - dev->features |= NETIF_F_HW_CSUM; + dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; dev->features |= NETIF_F_HIGHDMA; dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | diff --git a/drivers/net/mlx4/en_port.c b/drivers/net/mlx4/en_port.c index c5a4c038975..a29abe845d2 100644 --- a/drivers/net/mlx4/en_port.c +++ b/drivers/net/mlx4/en_port.c @@ -151,6 +151,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) struct mlx4_cmd_mailbox *mailbox; u64 in_mod = reset << 8 | port; int err; + int i; mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); if (IS_ERR(mailbox)) @@ -165,38 +166,18 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) spin_lock_bh(&priv->stats_lock); - stats->rx_packets = be32_to_cpu(mlx4_en_stats->RTOTFRMS) - - be32_to_cpu(mlx4_en_stats->RDROP); - stats->tx_packets = be64_to_cpu(mlx4_en_stats->TTOT_prio_0) + - be64_to_cpu(mlx4_en_stats->TTOT_prio_1) + - be64_to_cpu(mlx4_en_stats->TTOT_prio_2) + - be64_to_cpu(mlx4_en_stats->TTOT_prio_3) + - be64_to_cpu(mlx4_en_stats->TTOT_prio_4) + - be64_to_cpu(mlx4_en_stats->TTOT_prio_5) + - be64_to_cpu(mlx4_en_stats->TTOT_prio_6) + - be64_to_cpu(mlx4_en_stats->TTOT_prio_7) + - be64_to_cpu(mlx4_en_stats->TTOT_novlan) + - be64_to_cpu(mlx4_en_stats->TTOT_loopbk); - stats->rx_bytes = be64_to_cpu(mlx4_en_stats->ROCT_prio_0) + - be64_to_cpu(mlx4_en_stats->ROCT_prio_1) + - be64_to_cpu(mlx4_en_stats->ROCT_prio_2) + - be64_to_cpu(mlx4_en_stats->ROCT_prio_3) + - be64_to_cpu(mlx4_en_stats->ROCT_prio_4) + - be64_to_cpu(mlx4_en_stats->ROCT_prio_5) + - be64_to_cpu(mlx4_en_stats->ROCT_prio_6) + - be64_to_cpu(mlx4_en_stats->ROCT_prio_7) + - be64_to_cpu(mlx4_en_stats->ROCT_novlan); - - stats->tx_bytes = be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_0) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_1) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_2) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_3) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_4) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_5) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_6) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_7) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_novlan) + - be64_to_cpu(mlx4_en_stats->TTTLOCT_loopbk); + stats->rx_packets = 0; + stats->rx_bytes = 0; + for (i = 0; i < priv->rx_ring_num; i++) { + stats->rx_packets += priv->rx_ring[i].packets; + stats->rx_bytes += priv->rx_ring[i].bytes; + } + stats->tx_packets = 0; + stats->tx_bytes = 0; + for (i = 0; i <= priv->tx_ring_num; i++) { + stats->tx_packets += priv->tx_ring[i].packets; + stats->tx_bytes += priv->tx_ring[i].bytes; + } stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) + be32_to_cpu(mlx4_en_stats->RdropLength) + diff --git a/drivers/net/mlx4/en_resources.c b/drivers/net/mlx4/en_resources.c index a0545209e50..65ca706c04b 100644 --- a/drivers/net/mlx4/en_resources.c +++ b/drivers/net/mlx4/en_resources.c @@ -94,3 +94,9 @@ void mlx4_en_unmap_buffer(struct mlx4_buf *buf) vunmap(buf->direct.buf); } + +void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event) +{ + return; +} + diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c index 7e40741fb7d..9ee873e872b 100644 --- a/drivers/net/mlx4/en_rx.c +++ b/drivers/net/mlx4/en_rx.c @@ -436,8 +436,9 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv) /* Initialize page allocators */ err = mlx4_en_init_allocator(priv, ring); if (err) { - mlx4_err(mdev, "Failed initializing ring allocator\n"); - goto err_allocator; + mlx4_err(mdev, "Failed initializing ring allocator\n"); + ring_ind--; + goto err_allocator; } /* Fill Rx buffers */ @@ -467,6 +468,7 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv) ring->wqres.db.dma, &ring->srq); if (err){ mlx4_err(mdev, "Failed to allocate srq\n"); + ring_ind--; goto err_srq; } ring->srq.event = mlx4_en_srq_event; @@ -608,6 +610,10 @@ static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv, used_frags = mlx4_en_complete_rx_desc(priv, rx_desc, skb_frags, skb_shinfo(skb)->frags, page_alloc, length); + if (unlikely(!used_frags)) { + kfree_skb(skb); + return NULL; + } skb_shinfo(skb)->nr_frags = used_frags; /* Copy headers into the skb linear buffer */ @@ -926,12 +932,6 @@ void mlx4_en_set_default_rss_map(struct mlx4_en_priv *priv, } } -static void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event) -{ - return; -} - - static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn, int srqn, int cqn, enum mlx4_qp_state *state, @@ -951,7 +951,6 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, if (err) { mlx4_err(mdev, "Failed to allocate qp #%d\n", qpn); goto out; - return err; } qp->event = mlx4_en_sqp_event; diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c index 4afd5993e31..e5c98a98ad3 100644 --- a/drivers/net/mlx4/en_tx.c +++ b/drivers/net/mlx4/en_tx.c @@ -112,6 +112,7 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, mlx4_err(mdev, "Failed allocating qp %d\n", ring->qpn); goto err_reserve; } + ring->qp.event = mlx4_en_sqp_event; return 0; @@ -425,7 +426,7 @@ void mlx4_en_poll_tx_cq(unsigned long data) INC_PERF_COUNTER(priv->pstats.tx_poll); - if (!spin_trylock(&ring->comp_lock)) { + if (!spin_trylock_irq(&ring->comp_lock)) { mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT); return; } @@ -438,7 +439,7 @@ void mlx4_en_poll_tx_cq(unsigned long data) if (inflight && priv->port_up) mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT); - spin_unlock(&ring->comp_lock); + spin_unlock_irq(&ring->comp_lock); } static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv, @@ -481,9 +482,9 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind) /* Poll the CQ every mlx4_en_TX_MODER_POLL packets */ if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0) - if (spin_trylock(&ring->comp_lock)) { + if (spin_trylock_irq(&ring->comp_lock)) { mlx4_en_process_tx_cq(priv->dev, cq); - spin_unlock(&ring->comp_lock); + spin_unlock_irq(&ring->comp_lock); } } diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index 102bac90a30..30bea968969 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -976,7 +976,7 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) nreq = err; goto retry; } - + kfree(entries); goto no_msi; } diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h index e9af32d41ca..ef840abbcd3 100644 --- a/drivers/net/mlx4/mlx4_en.h +++ b/drivers/net/mlx4/mlx4_en.h @@ -538,6 +538,7 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget); void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, int is_tx, int rss, int qpn, int cqn, int srqn, struct mlx4_qp_context *context); +void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event); int mlx4_en_map_buffer(struct mlx4_buf *buf); void mlx4_en_unmap_buffer(struct mlx4_buf *buf); diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index b3185bf2c15..6bb5af35eda 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -393,12 +393,12 @@ struct mv643xx_eth_private { struct work_struct tx_timeout_task; struct napi_struct napi; + u8 oom; u8 work_link; u8 work_tx; u8 work_tx_end; u8 work_rx; u8 work_rx_refill; - u8 work_rx_oom; int skb_size; struct sk_buff_head rx_recycle; @@ -569,7 +569,7 @@ static int rxq_process(struct rx_queue *rxq, int budget) if (rxq->rx_curr_desc == rxq->rx_ring_size) rxq->rx_curr_desc = 0; - dma_unmap_single(NULL, rx_desc->buf_ptr, + dma_unmap_single(mp->dev->dev.parent, rx_desc->buf_ptr, rx_desc->buf_size, DMA_FROM_DEVICE); rxq->rx_desc_count--; rx++; @@ -661,7 +661,7 @@ static int rxq_refill(struct rx_queue *rxq, int budget) dma_get_cache_alignment() - 1); if (skb == NULL) { - mp->work_rx_oom |= 1 << rxq->index; + mp->oom = 1; goto oom; } @@ -678,8 +678,9 @@ static int rxq_refill(struct rx_queue *rxq, int budget) rx_desc = rxq->rx_desc_area + rx; - rx_desc->buf_ptr = dma_map_single(NULL, skb->data, - mp->skb_size, DMA_FROM_DEVICE); + rx_desc->buf_ptr = dma_map_single(mp->dev->dev.parent, + skb->data, mp->skb_size, + DMA_FROM_DEVICE); rx_desc->buf_size = mp->skb_size; rxq->rx_skb[rx] = skb; wmb(); @@ -718,6 +719,7 @@ static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb) static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb) { + struct mv643xx_eth_private *mp = txq_to_mp(txq); int nr_frags = skb_shinfo(skb)->nr_frags; int frag; @@ -746,10 +748,10 @@ static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb) desc->l4i_chk = 0; desc->byte_cnt = this_frag->size; - desc->buf_ptr = dma_map_page(NULL, this_frag->page, - this_frag->page_offset, - this_frag->size, - DMA_TO_DEVICE); + desc->buf_ptr = dma_map_page(mp->dev->dev.parent, + this_frag->page, + this_frag->page_offset, + this_frag->size, DMA_TO_DEVICE); } } @@ -826,7 +828,8 @@ no_csum: desc->l4i_chk = l4i_chk; desc->byte_cnt = length; - desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE); + desc->buf_ptr = dma_map_single(mp->dev->dev.parent, skb->data, + length, DMA_TO_DEVICE); __skb_queue_tail(&txq->tx_skb, skb); @@ -956,10 +959,10 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force) } if (cmd_sts & TX_FIRST_DESC) { - dma_unmap_single(NULL, desc->buf_ptr, + dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr, desc->byte_cnt, DMA_TO_DEVICE); } else { - dma_unmap_page(NULL, desc->buf_ptr, + dma_unmap_page(mp->dev->dev.parent, desc->buf_ptr, desc->byte_cnt, DMA_TO_DEVICE); } @@ -1255,7 +1258,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) spin_lock_bh(&mp->mib_counters_lock); p->good_octets_received += mib_read(mp, 0x00); - p->good_octets_received += (u64)mib_read(mp, 0x04) << 32; p->bad_octets_received += mib_read(mp, 0x08); p->internal_mac_transmit_err += mib_read(mp, 0x0c); p->good_frames_received += mib_read(mp, 0x10); @@ -1269,7 +1271,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) p->frames_512_to_1023_octets += mib_read(mp, 0x30); p->frames_1024_to_max_octets += mib_read(mp, 0x34); p->good_octets_sent += mib_read(mp, 0x38); - p->good_octets_sent += (u64)mib_read(mp, 0x3c) << 32; p->good_frames_sent += mib_read(mp, 0x40); p->excessive_collision += mib_read(mp, 0x44); p->multicast_frames_sent += mib_read(mp, 0x48); @@ -1896,9 +1897,9 @@ static int rxq_init(struct mv643xx_eth_private *mp, int index) mp->rx_desc_sram_size); rxq->rx_desc_dma = mp->rx_desc_sram_addr; } else { - rxq->rx_desc_area = dma_alloc_coherent(NULL, size, - &rxq->rx_desc_dma, - GFP_KERNEL); + rxq->rx_desc_area = dma_alloc_coherent(mp->dev->dev.parent, + size, &rxq->rx_desc_dma, + GFP_KERNEL); } if (rxq->rx_desc_area == NULL) { @@ -1949,7 +1950,7 @@ out_free: if (index == 0 && size <= mp->rx_desc_sram_size) iounmap(rxq->rx_desc_area); else - dma_free_coherent(NULL, size, + dma_free_coherent(mp->dev->dev.parent, size, rxq->rx_desc_area, rxq->rx_desc_dma); @@ -1981,7 +1982,7 @@ static void rxq_deinit(struct rx_queue *rxq) rxq->rx_desc_area_size <= mp->rx_desc_sram_size) iounmap(rxq->rx_desc_area); else - dma_free_coherent(NULL, rxq->rx_desc_area_size, + dma_free_coherent(mp->dev->dev.parent, rxq->rx_desc_area_size, rxq->rx_desc_area, rxq->rx_desc_dma); kfree(rxq->rx_skb); @@ -2009,9 +2010,9 @@ static int txq_init(struct mv643xx_eth_private *mp, int index) mp->tx_desc_sram_size); txq->tx_desc_dma = mp->tx_desc_sram_addr; } else { - txq->tx_desc_area = dma_alloc_coherent(NULL, size, - &txq->tx_desc_dma, - GFP_KERNEL); + txq->tx_desc_area = dma_alloc_coherent(mp->dev->dev.parent, + size, &txq->tx_desc_dma, + GFP_KERNEL); } if (txq->tx_desc_area == NULL) { @@ -2055,7 +2056,7 @@ static void txq_deinit(struct tx_queue *txq) txq->tx_desc_area_size <= mp->tx_desc_sram_size) iounmap(txq->tx_desc_area); else - dma_free_coherent(NULL, txq->tx_desc_area_size, + dma_free_coherent(mp->dev->dev.parent, txq->tx_desc_area_size, txq->tx_desc_area, txq->tx_desc_dma); } @@ -2167,8 +2168,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) mp = container_of(napi, struct mv643xx_eth_private, napi); - mp->work_rx_refill |= mp->work_rx_oom; - mp->work_rx_oom = 0; + if (unlikely(mp->oom)) { + mp->oom = 0; + del_timer(&mp->rx_oom); + } work_done = 0; while (work_done < budget) { @@ -2182,8 +2185,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) continue; } - queue_mask = mp->work_tx | mp->work_tx_end | - mp->work_rx | mp->work_rx_refill; + queue_mask = mp->work_tx | mp->work_tx_end | mp->work_rx; + if (likely(!mp->oom)) + queue_mask |= mp->work_rx_refill; + if (!queue_mask) { if (mv643xx_eth_collect_events(mp)) continue; @@ -2204,7 +2209,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) txq_maybe_wake(mp->txq + queue); } else if (mp->work_rx & queue_mask) { work_done += rxq_process(mp->rxq + queue, work_tbd); - } else if (mp->work_rx_refill & queue_mask) { + } else if (!mp->oom && (mp->work_rx_refill & queue_mask)) { work_done += rxq_refill(mp->rxq + queue, work_tbd); } else { BUG(); @@ -2212,7 +2217,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget) } if (work_done < budget) { - if (mp->work_rx_oom) + if (mp->oom) mod_timer(&mp->rx_oom, jiffies + (HZ / 10)); napi_complete(napi); wrlp(mp, INT_MASK, INT_TX_END | INT_RX | INT_EXT); @@ -2372,7 +2377,7 @@ static int mv643xx_eth_open(struct net_device *dev) rxq_refill(mp->rxq + i, INT_MAX); } - if (mp->work_rx_oom) { + if (mp->oom) { mp->rx_oom.expires = jiffies + (HZ / 10); add_timer(&mp->rx_oom); } diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c index eb66f658f9d..7d83896b8c2 100644 --- a/drivers/net/ne2k-pci.c +++ b/drivers/net/ne2k-pci.c @@ -374,18 +374,17 @@ static int __devinit ne2k_pci_init_one (struct pci_dev *pdev, dev->ethtool_ops = &ne2k_pci_ethtool_ops; NS8390_init(dev, 0); + memcpy(dev->dev_addr, SA_prom, 6); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + i = register_netdev(dev); if (i) goto err_out_free_netdev; - for(i = 0; i < 6; i++) - dev->dev_addr[i] = SA_prom[i]; printk("%s: %s found at %#lx, IRQ %d, %pM.\n", dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq, dev->dev_addr); - memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - return 0; err_out_free_netdev: diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index eceadf787a6..bf4af5248cb 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -664,7 +664,7 @@ static int netconsole_netdev_event(struct notifier_block *this, struct netconsole_target *nt; struct net_device *dev = ptr; - if (!(event == NETDEV_CHANGENAME)) + if (!(event == NETDEV_CHANGENAME || event == NETDEV_UNREGISTER)) goto done; spin_lock_irqsave(&target_list_lock, flags); @@ -675,6 +675,15 @@ static int netconsole_netdev_event(struct notifier_block *this, case NETDEV_CHANGENAME: strlcpy(nt->np.dev_name, dev->name, IFNAMSIZ); break; + case NETDEV_UNREGISTER: + if (!nt->enabled) + break; + netpoll_cleanup(&nt->np); + nt->enabled = 0; + printk(KERN_INFO "netconsole: network logging stopped" + ", interface %s unregistered\n", + dev->name); + break; } } netconsole_target_put(nt); diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 2fbf9f9ddd3..652a3688836 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1758,7 +1758,7 @@ static struct pcmcia_device_id pcnet_ids[] = { PCMCIA_MFC_DEVICE_CIS_PROD_ID12(0, "DAYNA COMMUNICATIONS", "LAN AND MODEM MULTIFUNCTION", 0x8fdf8f89, 0xdd5ed9e8, "DP83903.cis"), PCMCIA_MFC_DEVICE_CIS_PROD_ID4(0, "NSC MF LAN/Modem", 0x58fc6056, "DP83903.cis"), PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0175, 0x0000, "DP83903.cis"), - PCMCIA_DEVICE_CIS_MANF_CARD(0xc00f, 0x0002, "LA-PCM.cis"), + PCMCIA_DEVICE_CIS_MANF_CARD(0xc00f, 0x0002, "cis/LA-PCM.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("KTI", "PE520 PLUS", 0xad180345, 0x9d58d392, "PE520.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("NDC", "Ethernet", 0x01c43ae1, 0x00b2e941, "NE2K.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("PMX ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "PE-200.cis"), diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c index a5ac2bd58b5..4f3ada622f9 100644 --- a/drivers/net/ps3_gelic_wireless.c +++ b/drivers/net/ps3_gelic_wireless.c @@ -2101,6 +2101,9 @@ static int gelic_wl_associate_bss(struct gelic_wl_info *wl, if (ret) { pr_debug("%s: WEP/WPA setup failed %d\n", __func__, ret); + ret = -EPERM; + gelic_wl_send_iwap_event(wl, NULL); + goto out; } /* start association */ diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 0b6e8c89683..8247a945a1d 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -3554,54 +3554,64 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) int handled = 0; int status; + /* loop handling interrupts until we have no new ones or + * we hit a invalid/hotplug case. + */ status = RTL_R16(IntrStatus); + while (status && status != 0xffff) { + handled = 1; - /* hotplug/major error/no more work/shared irq */ - if ((status == 0xffff) || !status) - goto out; - - handled = 1; + /* Handle all of the error cases first. These will reset + * the chip, so just exit the loop. + */ + if (unlikely(!netif_running(dev))) { + rtl8169_asic_down(ioaddr); + break; + } - if (unlikely(!netif_running(dev))) { - rtl8169_asic_down(ioaddr); - goto out; - } + /* Work around for rx fifo overflow */ + if (unlikely(status & RxFIFOOver) && + (tp->mac_version == RTL_GIGA_MAC_VER_11)) { + netif_stop_queue(dev); + rtl8169_tx_timeout(dev); + break; + } - status &= tp->intr_mask; - RTL_W16(IntrStatus, - (status & RxFIFOOver) ? (status | RxOverflow) : status); + if (unlikely(status & SYSErr)) { + rtl8169_pcierr_interrupt(dev); + break; + } - if (!(status & tp->intr_event)) - goto out; + if (status & LinkChg) + rtl8169_check_link_status(dev, tp, ioaddr); - /* Work around for rx fifo overflow */ - if (unlikely(status & RxFIFOOver) && - (tp->mac_version == RTL_GIGA_MAC_VER_11)) { - netif_stop_queue(dev); - rtl8169_tx_timeout(dev); - goto out; - } + /* We need to see the lastest version of tp->intr_mask to + * avoid ignoring an MSI interrupt and having to wait for + * another event which may never come. + */ + smp_rmb(); + if (status & tp->intr_mask & tp->napi_event) { + RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event); + tp->intr_mask = ~tp->napi_event; + + if (likely(napi_schedule_prep(&tp->napi))) + __napi_schedule(&tp->napi); + else if (netif_msg_intr(tp)) { + printk(KERN_INFO "%s: interrupt %04x in poll\n", + dev->name, status); + } + } - if (unlikely(status & SYSErr)) { - rtl8169_pcierr_interrupt(dev); - goto out; + /* We only get a new MSI interrupt when all active irq + * sources on the chip have been acknowledged. So, ack + * everything we've seen and check if new sources have become + * active to avoid blocking all interrupts from the chip. + */ + RTL_W16(IntrStatus, + (status & RxFIFOOver) ? (status | RxOverflow) : status); + status = RTL_R16(IntrStatus); } - if (status & LinkChg) - rtl8169_check_link_status(dev, tp, ioaddr); - - if (status & tp->napi_event) { - RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event); - tp->intr_mask = ~tp->napi_event; - - if (likely(napi_schedule_prep(&tp->napi))) - __napi_schedule(&tp->napi); - else if (netif_msg_intr(tp)) { - printk(KERN_INFO "%s: interrupt %04x in poll\n", - dev->name, status); - } - } -out: return IRQ_RETVAL(handled); } @@ -3617,13 +3627,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget) if (work_done < budget) { napi_complete(napi); - tp->intr_mask = 0xffff; - /* - * 20040426: the barrier is not strictly required but the - * behavior of the irq handler could be less predictable - * without it. Btw, the lack of flush for the posted pci - * write is safe - FR + + /* We need for force the visibility of tp->intr_mask + * for other CPUs, as we can loose an MSI interrupt + * and potentially wait for a retransmit timeout if we don't. + * The posted write to IntrMask is safe, as it will + * eventually make it to the chip and we won't loose anything + * until it does. */ + tp->intr_mask = 0xffff; smp_wmb(); RTL_W16(IntrMask, tp->intr_event); } diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 7a837c46596..201be425643 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -2190,7 +2190,14 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp, if (!(tmp & EEPROM_ADDR_COMPLETE)) return -EBUSY; - *val = tr32(GRC_EEPROM_DATA); + tmp = tr32(GRC_EEPROM_DATA); + + /* + * The data will always be opposite the native endian + * format. Perform a blind byteswap to compensate. + */ + *val = swab32(tmp); + return 0; } @@ -10663,7 +10670,13 @@ static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp, memcpy(&data, buf + i, 4); - tw32(GRC_EEPROM_DATA, be32_to_cpu(data)); + /* + * The SEEPROM interface expects the data to always be opposite + * the native endian format. We accomplish this by reversing + * all the operations that would have been performed on the + * data from a call to tg3_nvram_read_be32(). + */ + tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data))); val = tr32(GRC_EEPROM_ADDR); tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE); @@ -12443,13 +12456,8 @@ static int __devinit tg3_get_device_address(struct tg3 *tp) /* Next, try NVRAM. */ if (!tg3_nvram_read_be32(tp, mac_offset + 0, &hi) && !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) { - dev->dev_addr[0] = ((hi >> 16) & 0xff); - dev->dev_addr[1] = ((hi >> 24) & 0xff); - dev->dev_addr[2] = ((lo >> 0) & 0xff); - dev->dev_addr[3] = ((lo >> 8) & 0xff); - dev->dev_addr[4] = ((lo >> 16) & 0xff); - dev->dev_addr[5] = ((lo >> 24) & 0xff); - + memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2); + memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo)); } /* Finally just fetch it out of the MAC control regs. */ else { diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 16716aef184..735bf41c654 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -93,7 +93,6 @@ struct tun_file { atomic_t count; struct tun_struct *tun; struct net *net; - wait_queue_head_t read_wait; }; struct tun_sock; @@ -156,6 +155,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file) tfile->tun = tun; tun->tfile = tfile; dev_hold(tun->dev); + sock_hold(tun->sk); atomic_inc(&tfile->count); out: @@ -165,11 +165,8 @@ out: static void __tun_detach(struct tun_struct *tun) { - struct tun_file *tfile = tun->tfile; - /* Detach from net device */ netif_tx_lock_bh(tun->dev); - tfile->tun = NULL; tun->tfile = NULL; netif_tx_unlock_bh(tun->dev); @@ -333,12 +330,19 @@ static void tun_net_uninit(struct net_device *dev) /* Inform the methods they need to stop using the dev. */ if (tfile) { - wake_up_all(&tfile->read_wait); + wake_up_all(&tun->socket.wait); if (atomic_dec_and_test(&tfile->count)) __tun_detach(tun); } } +static void tun_free_netdev(struct net_device *dev) +{ + struct tun_struct *tun = netdev_priv(dev); + + sock_put(tun->sk); +} + /* Net device open. */ static int tun_net_open(struct net_device *dev) { @@ -393,7 +397,7 @@ static int tun_net_xmit(struct sk_buff *skb, struct net_device *dev) /* Notify and wake up reader process */ if (tun->flags & TUN_FASYNC) kill_fasync(&tun->fasync, SIGIO, POLL_IN); - wake_up_interruptible(&tun->tfile->read_wait); + wake_up_interruptible(&tun->socket.wait); return 0; drop: @@ -490,7 +494,7 @@ static unsigned int tun_chr_poll(struct file *file, poll_table * wait) DBG(KERN_INFO "%s: tun_chr_poll\n", tun->dev->name); - poll_wait(file, &tfile->read_wait, wait); + poll_wait(file, &tun->socket.wait, wait); if (!skb_queue_empty(&tun->readq)) mask |= POLLIN | POLLRDNORM; @@ -763,7 +767,7 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv, goto out; } - add_wait_queue(&tfile->read_wait, &wait); + add_wait_queue(&tun->socket.wait, &wait); while (len) { current->state = TASK_INTERRUPTIBLE; @@ -794,7 +798,7 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv, } current->state = TASK_RUNNING; - remove_wait_queue(&tfile->read_wait, &wait); + remove_wait_queue(&tun->socket.wait, &wait); out: tun_put(tun); @@ -811,7 +815,7 @@ static void tun_setup(struct net_device *dev) tun->group = -1; dev->ethtool_ops = &tun_ethtool_ops; - dev->destructor = free_netdev; + dev->destructor = tun_free_netdev; } /* Trivial set of netlink ops to allow deleting tun or tap @@ -848,7 +852,7 @@ static void tun_sock_write_space(struct sock *sk) static void tun_sock_destruct(struct sock *sk) { - dev_put(container_of(sk, struct tun_sock, sk)->tun->dev); + free_netdev(container_of(sk, struct tun_sock, sk)->tun->dev); } static struct proto tun_proto = { @@ -862,7 +866,6 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) struct sock *sk; struct tun_struct *tun; struct net_device *dev; - struct tun_file *tfile = file->private_data; int err; dev = __dev_get_by_name(net, ifr->ifr_name); @@ -920,13 +923,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) if (!sk) goto err_free_dev; - /* This ref count is for tun->sk. */ - dev_hold(dev); + init_waitqueue_head(&tun->socket.wait); sock_init_data(&tun->socket, sk); sk->sk_write_space = tun_sock_write_space; - sk->sk_destruct = tun_sock_destruct; sk->sk_sndbuf = INT_MAX; - sk->sk_sleep = &tfile->read_wait; tun->sk = sk; container_of(sk, struct tun_sock, sk)->tun = tun; @@ -942,11 +942,13 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) err = -EINVAL; err = register_netdevice(tun->dev); if (err < 0) - goto err_free_dev; + goto err_free_sk; + + sk->sk_destruct = tun_sock_destruct; err = tun_attach(tun, file); if (err < 0) - goto err_free_dev; + goto failed; } DBG(KERN_INFO "%s: tun_set_iff\n", tun->dev->name); @@ -1266,7 +1268,6 @@ static int tun_chr_open(struct inode *inode, struct file * file) atomic_set(&tfile->count, 0); tfile->tun = NULL; tfile->net = get_net(current->nsproxy->net_ns); - init_waitqueue_head(&tfile->read_wait); file->private_data = tfile; return 0; } @@ -1284,14 +1285,16 @@ static int tun_chr_close(struct inode *inode, struct file *file) __tun_detach(tun); /* If desireable, unregister the netdevice. */ - if (!(tun->flags & TUN_PERSIST)) { - sock_put(tun->sk); + if (!(tun->flags & TUN_PERSIST)) unregister_netdevice(tun->dev); - } rtnl_unlock(); } + tun = tfile->tun; + if (tun) + sock_put(tun->sk); + put_net(tfile->net); kfree(tfile); diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index d3f39e86eb9..44f8392da11 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -1394,7 +1394,8 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth) (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { - upsmr |= UCC_GETH_UPSMR_RPM; + if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII) + upsmr |= UCC_GETH_UPSMR_RPM; switch (ugeth->max_speed) { case SPEED_10: upsmr |= UCC_GETH_UPSMR_R10M; diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 8ee21030e9a..dfc6cf765fb 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -180,6 +180,20 @@ config USB_NET_CDCETHER IEEE 802 "local assignment" bit is set in the address, a "usbX" name is used instead. +config USB_NET_CDC_EEM + tristate "CDC EEM support" + depends on USB_USBNET && EXPERIMENTAL + help + This option supports devices conforming to the Communication Device + Class (CDC) Ethernet Emulation Model, a specification that's easy to + implement in device firmware. The CDC EEM specifications are available + from <http://www.usb.org/>. + + This driver creates an interface named "ethX", where X depends on + what other networking devices you have in use. However, if the + IEEE 802 "local assignment" bit is set in the address, a "usbX" + name is used instead. + config USB_NET_DM9601 tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices" depends on USB_USBNET diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index 88a87eeb376..c8aef62cf2b 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_USB_RTL8150) += rtl8150.o obj-$(CONFIG_USB_HSO) += hso.o obj-$(CONFIG_USB_NET_AX8817X) += asix.o obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o +obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o obj-$(CONFIG_USB_NET_DM9601) += dm9601.o obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o obj-$(CONFIG_USB_NET_GL620A) += gl620a.o diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c new file mode 100644 index 00000000000..80e01778dd3 --- /dev/null +++ b/drivers/net/usb/cdc_eem.c @@ -0,0 +1,381 @@ +/* + * USB CDC EEM network interface driver + * Copyright (C) 2009 Oberthur Technologies + * by Omar Laazimani, Olivier Condemine + * + * 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 <linux/module.h> +#include <linux/init.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ctype.h> +#include <linux/ethtool.h> +#include <linux/workqueue.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/crc32.h> +#include <linux/usb/cdc.h> +#include <linux/usb/usbnet.h> + + +/* + * This driver is an implementation of the CDC "Ethernet Emulation + * Model" (EEM) specification, which encapsulates Ethernet frames + * for transport over USB using a simpler USB device model than the + * previous CDC "Ethernet Control Model" (ECM, or "CDC Ethernet"). + * + * For details, see www.usb.org/developers/devclass_docs/CDC_EEM10.pdf + * + * This version has been tested with GIGAntIC WuaoW SIM Smart Card on 2.6.24, + * 2.6.27 and 2.6.30rc2 kernel. + * It has also been validated on Openmoko Om 2008.12 (based on 2.6.24 kernel). + * build on 23-April-2009 + */ + +#define EEM_HEAD 2 /* 2 byte header */ + +/*-------------------------------------------------------------------------*/ + +static void eem_linkcmd_complete(struct urb *urb) +{ + dev_kfree_skb(urb->context); + usb_free_urb(urb); +} + +static void eem_linkcmd(struct usbnet *dev, struct sk_buff *skb) +{ + struct urb *urb; + int status; + + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + goto fail; + + usb_fill_bulk_urb(urb, dev->udev, dev->out, + skb->data, skb->len, eem_linkcmd_complete, skb); + + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status) { + usb_free_urb(urb); +fail: + dev_kfree_skb(skb); + devwarn(dev, "link cmd failure\n"); + return; + } +} + +static int eem_bind(struct usbnet *dev, struct usb_interface *intf) +{ + int status = 0; + + status = usbnet_get_endpoints(dev, intf); + if (status < 0) { + usb_set_intfdata(intf, NULL); + usb_driver_release_interface(driver_of(intf), intf); + return status; + } + + /* no jumbogram (16K) support for now */ + + dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + + return 0; +} + +/* + * EEM permits packing multiple Ethernet frames into USB transfers + * (a "bundle"), but for TX we don't try to do that. + */ +static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb, + gfp_t flags) +{ + struct sk_buff *skb2 = NULL; + u16 len = skb->len; + u32 crc = 0; + int padlen = 0; + + /* When ((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket) is + * zero, stick two bytes of zero length EEM packet on the end. + * Else the framework would add invalid single byte padding, + * since it can't know whether ZLPs will be handled right by + * all the relevant hardware and software. + */ + if (!((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket)) + padlen += 2; + + if (!skb_cloned(skb)) { + int headroom = skb_headroom(skb); + int tailroom = skb_tailroom(skb); + + if ((tailroom >= ETH_FCS_LEN + padlen) + && (headroom >= EEM_HEAD)) + goto done; + + if ((headroom + tailroom) + > (EEM_HEAD + ETH_FCS_LEN + padlen)) { + skb->data = memmove(skb->head + + EEM_HEAD, + skb->data, + skb->len); + skb_set_tail_pointer(skb, len); + goto done; + } + } + + skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags); + if (!skb2) + return NULL; + + dev_kfree_skb_any(skb); + skb = skb2; + +done: + /* we don't use the "no Ethernet CRC" option */ + crc = crc32_le(~0, skb->data, skb->len); + crc = ~crc; + + put_unaligned_le32(crc, skb_put(skb, 4)); + + /* EEM packet header format: + * b0..13: length of ethernet frame + * b14: bmCRC (1 == valid Ethernet CRC) + * b15: bmType (0 == data) + */ + len = skb->len; + put_unaligned_le16(BIT(14) | len, skb_push(skb, 2)); + + /* Bundle a zero length EEM packet if needed */ + if (padlen) + put_unaligned_le16(0, skb_put(skb, 2)); + + return skb; +} + +static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + /* + * Our task here is to strip off framing, leaving skb with one + * data frame for the usbnet framework code to process. But we + * may have received multiple EEM payloads, or command payloads. + * So we must process _everything_ as if it's a header, except + * maybe the last data payload + * + * REVISIT the framework needs updating so that when we consume + * all payloads (the last or only message was a command, or a + * zero length EEM packet) that is not accounted as an rx_error. + */ + do { + struct sk_buff *skb2 = NULL; + u16 header; + u16 len = 0; + + /* incomplete EEM header? */ + if (skb->len < EEM_HEAD) + return 0; + + /* + * EEM packet header format: + * b0..14: EEM type dependant (Data or Command) + * b15: bmType + */ + header = get_unaligned_le16(skb->data); + skb_pull(skb, EEM_HEAD); + + /* + * The bmType bit helps to denote when EEM + * packet is data or command : + * bmType = 0 : EEM data payload + * bmType = 1 : EEM (link) command + */ + if (header & BIT(15)) { + u16 bmEEMCmd; + + /* + * EEM (link) command packet: + * b0..10: bmEEMCmdParam + * b11..13: bmEEMCmd + * b14: bmReserved (must be 0) + * b15: 1 (EEM command) + */ + if (header & BIT(14)) { + devdbg(dev, "reserved command %04x\n", header); + continue; + } + + bmEEMCmd = (header >> 11) & 0x7; + switch (bmEEMCmd) { + + /* Responding to echo requests is mandatory. */ + case 0: /* Echo command */ + len = header & 0x7FF; + + /* bogus command? */ + if (skb->len < len) + return 0; + + skb2 = skb_clone(skb, GFP_ATOMIC); + if (unlikely(!skb2)) + goto next; + skb_trim(skb2, len); + put_unaligned_le16(BIT(15) | (1 << 11) | len, + skb_push(skb2, 2)); + eem_linkcmd(dev, skb2); + break; + + /* + * Host may choose to ignore hints. + * - suspend: peripheral ready to suspend + * - response: suggest N millisec polling + * - response complete: suggest N sec polling + */ + case 2: /* Suspend hint */ + case 3: /* Response hint */ + case 4: /* Response complete hint */ + continue; + + /* + * Hosts should never receive host-to-peripheral + * or reserved command codes; or responses to an + * echo command we didn't send. + */ + case 1: /* Echo response */ + case 5: /* Tickle */ + default: /* reserved */ + devwarn(dev, "unexpected link command %d\n", + bmEEMCmd); + continue; + } + + } else { + u32 crc, crc2; + int is_last; + + /* zero length EEM packet? */ + if (header == 0) + continue; + + /* + * EEM data packet header : + * b0..13: length of ethernet frame + * b14: bmCRC + * b15: 0 (EEM data) + */ + len = header & 0x3FFF; + + /* bogus EEM payload? */ + if (skb->len < len) + return 0; + + /* bogus ethernet frame? */ + if (len < (ETH_HLEN + ETH_FCS_LEN)) + goto next; + + /* + * Treat the last payload differently: framework + * code expects our "fixup" to have stripped off + * headers, so "skb" is a data packet (or error). + * Else if it's not the last payload, keep "skb" + * for further processing. + */ + is_last = (len == skb->len); + if (is_last) + skb2 = skb; + else { + skb2 = skb_clone(skb, GFP_ATOMIC); + if (unlikely(!skb2)) + return 0; + } + + crc = get_unaligned_le32(skb2->data + + len - ETH_FCS_LEN); + skb_trim(skb2, len - ETH_FCS_LEN); + + /* + * The bmCRC helps to denote when the CRC field in + * the Ethernet frame contains a calculated CRC: + * bmCRC = 1 : CRC is calculated + * bmCRC = 0 : CRC = 0xDEADBEEF + */ + if (header & BIT(14)) + crc2 = ~crc32_le(~0, skb2->data, len); + else + crc2 = 0xdeadbeef; + + if (is_last) + return crc == crc2; + + if (unlikely(crc != crc2)) { + dev->stats.rx_errors++; + dev_kfree_skb_any(skb2); + } else + usbnet_skb_return(dev, skb2); + } + +next: + skb_pull(skb, len); + } while (skb->len); + + return 1; +} + +static const struct driver_info eem_info = { + .description = "CDC EEM Device", + .flags = FLAG_ETHER, + .bind = eem_bind, + .rx_fixup = eem_rx_fixup, + .tx_fixup = eem_tx_fixup, +}; + +/*-------------------------------------------------------------------------*/ + +static const struct usb_device_id products[] = { +{ + USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_EEM, + USB_CDC_PROTO_EEM), + .driver_info = (unsigned long) &eem_info, +}, +{ + /* EMPTY == end of list */ +}, +}; +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver eem_driver = { + .name = "cdc_eem", + .id_table = products, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = usbnet_suspend, + .resume = usbnet_resume, +}; + + +static int __init eem_init(void) +{ + return usb_register(&eem_driver); +} +module_init(eem_init); + +static void __exit eem_exit(void) +{ + usb_deregister(&eem_driver); +} +module_exit(eem_exit); + +MODULE_AUTHOR("Omar Laazimani <omar.oberthur@gmail.com>"); +MODULE_DESCRIPTION("USB CDC EEM"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index a8228d87c8c..2138535f233 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -899,6 +899,7 @@ static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net) /* cleanup should already have been scheduled */ break; case -ENODEV: /* disconnect() upcoming */ + case -EPERM: netif_device_detach(pegasus->net); break; default: diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index dc166532659..5a7283372b5 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -941,6 +941,16 @@ static int smsc95xx_reset(struct usbnet *dev) if (netif_msg_ifup(dev)) devdbg(dev, "ID_REV = 0x%08x", read_buf); + /* Configure GPIO pins as LED outputs */ + write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED | + LED_GPIO_CFG_FDX_LED; + ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf); + if (ret < 0) { + devwarn(dev, "Failed to write LED_GPIO_CFG register, ret=%d", + ret); + return ret; + } + /* Init Tx */ write_buf = 0; ret = smsc95xx_write_reg(dev, FLOW, write_buf); @@ -1231,6 +1241,11 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0424, 0x9500), .driver_info = (unsigned long) &smsc95xx_info, }, + { + /* SMSC9512/9514 USB Hub & Ethernet Device */ + USB_DEVICE(0x0424, 0xec00), + .driver_info = (unsigned long) &smsc95xx_info, + }, { }, /* END */ }; MODULE_DEVICE_TABLE(usb, products); diff --git a/drivers/net/usb/smsc95xx.h b/drivers/net/usb/smsc95xx.h index 66b5c84f302..86bc44977fb 100644 --- a/drivers/net/usb/smsc95xx.h +++ b/drivers/net/usb/smsc95xx.h @@ -99,6 +99,9 @@ #define PM_CTL_WUPS_MULTI_ (0x00000003) #define LED_GPIO_CFG (0x24) +#define LED_GPIO_CFG_SPD_LED (0x01000000) +#define LED_GPIO_CFG_LNK_LED (0x00100000) +#define LED_GPIO_CFG_FDX_LED (0x00010000) #define GPIO_CFG (0x28) diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 015db1cece7..8e56fcf0a0e 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -210,14 +210,11 @@ rx_drop: static struct net_device_stats *veth_get_stats(struct net_device *dev) { - struct veth_priv *priv; - struct net_device_stats *dev_stats; - int cpu; + struct veth_priv *priv = netdev_priv(dev); + struct net_device_stats *dev_stats = &dev->stats; + unsigned int cpu; struct veth_net_stats *stats; - priv = netdev_priv(dev); - dev_stats = &dev->stats; - dev_stats->rx_packets = 0; dev_stats->tx_packets = 0; dev_stats->rx_bytes = 0; @@ -225,16 +222,17 @@ static struct net_device_stats *veth_get_stats(struct net_device *dev) dev_stats->tx_dropped = 0; dev_stats->rx_dropped = 0; - for_each_online_cpu(cpu) { - stats = per_cpu_ptr(priv->stats, cpu); + if (priv->stats) + for_each_online_cpu(cpu) { + stats = per_cpu_ptr(priv->stats, cpu); - dev_stats->rx_packets += stats->rx_packets; - dev_stats->tx_packets += stats->tx_packets; - dev_stats->rx_bytes += stats->rx_bytes; - dev_stats->tx_bytes += stats->tx_bytes; - dev_stats->tx_dropped += stats->tx_dropped; - dev_stats->rx_dropped += stats->rx_dropped; - } + dev_stats->rx_packets += stats->rx_packets; + dev_stats->tx_packets += stats->tx_packets; + dev_stats->rx_bytes += stats->rx_bytes; + dev_stats->tx_bytes += stats->tx_bytes; + dev_stats->tx_dropped += stats->tx_dropped; + dev_stats->rx_dropped += stats->rx_dropped; + } return dev_stats; } @@ -261,6 +259,8 @@ static int veth_close(struct net_device *dev) netif_carrier_off(dev); netif_carrier_off(priv->peer); + free_percpu(priv->stats); + priv->stats = NULL; return 0; } @@ -291,15 +291,6 @@ static int veth_dev_init(struct net_device *dev) return 0; } -static void veth_dev_free(struct net_device *dev) -{ - struct veth_priv *priv; - - priv = netdev_priv(dev); - free_percpu(priv->stats); - free_netdev(dev); -} - static const struct net_device_ops veth_netdev_ops = { .ndo_init = veth_dev_init, .ndo_open = veth_open, @@ -317,7 +308,7 @@ static void veth_setup(struct net_device *dev) dev->netdev_ops = &veth_netdev_ops; dev->ethtool_ops = &veth_ethtool_ops; dev->features |= NETIF_F_LLTX; - dev->destructor = veth_dev_free; + dev->destructor = free_netdev; } /* diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 9c82a39497e..4d1d47953fc 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -616,10 +616,11 @@ static int virtnet_open(struct net_device *dev) static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, struct scatterlist *data, int out, int in) { - struct scatterlist sg[VIRTNET_SEND_COMMAND_SG_MAX + 2]; + struct scatterlist *s, sg[VIRTNET_SEND_COMMAND_SG_MAX + 2]; struct virtio_net_ctrl_hdr ctrl; virtio_net_ctrl_ack status = ~0; unsigned int tmp; + int i; if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) { BUG(); /* Caller should know better */ @@ -637,7 +638,8 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, sg_init_table(sg, out + in); sg_set_buf(&sg[0], &ctrl, sizeof(ctrl)); - memcpy(&sg[1], data, sizeof(struct scatterlist) * (out + in - 2)); + for_each_sg(data, s, out + in - 2, i) + sg_set_buf(&sg[i + 1], sg_virt(s), s->length); sg_set_buf(&sg[out + in - 1], &status, sizeof(status)); if (vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi) != 0) @@ -692,7 +694,7 @@ static void virtnet_set_rx_mode(struct net_device *dev) promisc = ((dev->flags & IFF_PROMISC) != 0); allmulti = ((dev->flags & IFF_ALLMULTI) != 0); - sg_set_buf(sg, &promisc, sizeof(promisc)); + sg_init_one(sg, &promisc, sizeof(promisc)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_PROMISC, @@ -700,7 +702,7 @@ static void virtnet_set_rx_mode(struct net_device *dev) dev_warn(&dev->dev, "Failed to %sable promisc mode.\n", promisc ? "en" : "dis"); - sg_set_buf(sg, &allmulti, sizeof(allmulti)); + sg_init_one(sg, &allmulti, sizeof(allmulti)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_ALLMULTI, @@ -716,6 +718,8 @@ static void virtnet_set_rx_mode(struct net_device *dev) return; } + sg_init_table(sg, 2); + /* Store the unicast list and count in the front of the buffer */ mac_data->entries = dev->uc_count; addr = dev->uc_list; @@ -744,24 +748,24 @@ static void virtnet_set_rx_mode(struct net_device *dev) kfree(buf); } -static void virnet_vlan_rx_add_vid(struct net_device *dev, u16 vid) +static void virtnet_vlan_rx_add_vid(struct net_device *dev, u16 vid) { struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; - sg_set_buf(&sg, &vid, sizeof(vid)); + sg_init_one(&sg, &vid, sizeof(vid)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, VIRTIO_NET_CTRL_VLAN_ADD, &sg, 1, 0)) dev_warn(&dev->dev, "Failed to add VLAN ID %d.\n", vid); } -static void virnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) +static void virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) { struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; - sg_set_buf(&sg, &vid, sizeof(vid)); + sg_init_one(&sg, &vid, sizeof(vid)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, VIRTIO_NET_CTRL_VLAN_DEL, &sg, 1, 0)) @@ -794,8 +798,8 @@ static const struct net_device_ops virtnet_netdev = { .ndo_set_mac_address = virtnet_set_mac_address, .ndo_set_rx_mode = virtnet_set_rx_mode, .ndo_change_mtu = virtnet_change_mtu, - .ndo_vlan_rx_add_vid = virnet_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = virnet_vlan_rx_kill_vid, + .ndo_vlan_rx_add_vid = virtnet_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = virtnet_vlan_rx_kill_vid, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = virtnet_netpoll, #endif diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c index 7be0ae10d69..c2eeac4125f 100644 --- a/drivers/net/vxge/vxge-traffic.c +++ b/drivers/net/vxge/vxge-traffic.c @@ -115,7 +115,7 @@ enum vxge_hw_status vxge_hw_vpath_intr_enable(struct __vxge_hw_vpath_handle *vp) VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO1_POISON| VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO2_POISON| VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO1_DMA_ERR| - VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO1_DMA_ERR), 0, 32), + VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO2_DMA_ERR), 0, 32), &vp_reg->kdfcctl_errors_mask); __vxge_hw_pio_mem_write32_upper(0, &vp_reg->vpath_ppif_int_mask); diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c index 3bf7d3f447d..765a7f5d6aa 100644 --- a/drivers/net/wan/ixp4xx_hss.c +++ b/drivers/net/wan/ixp4xx_hss.c @@ -1249,7 +1249,7 @@ static int __devinit hss_init_one(struct platform_device *pdev) return -ENOMEM; if ((port->npe = npe_request(0)) == NULL) { - err = -ENOSYS; + err = -ENODEV; goto err_free; } @@ -1311,7 +1311,7 @@ static int __init hss_init_module(void) if ((ixp4xx_read_feature_bits() & (IXP4XX_FEATURE_HDLC | IXP4XX_FEATURE_HSS)) != (IXP4XX_FEATURE_HDLC | IXP4XX_FEATURE_HSS)) - return -ENOSYS; + return -ENODEV; spin_lock_init(&npe_lock); diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c index 02419bfd64b..f9fc3890232 100644 --- a/drivers/net/wimax/i2400m/rx.c +++ b/drivers/net/wimax/i2400m/rx.c @@ -819,10 +819,9 @@ void i2400m_roq_queue_update_ws(struct i2400m *i2400m, struct i2400m_roq *roq, roq_data = (struct i2400m_roq_data *) &skb->cb; i2400m_net_erx(i2400m, skb, roq_data->cs); } - else { + else __i2400m_roq_queue(i2400m, roq, skb, sn, nsn); - __i2400m_roq_update_ws(i2400m, roq, sn + 1); - } + __i2400m_roq_update_ws(i2400m, roq, sn + 1); i2400m_roq_log_add(i2400m, roq, I2400M_RO_TYPE_PACKET_WS, old_ws, len, sn, nsn, roq->ws); } diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index ca4151a9e22..17851321b7f 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -505,27 +505,52 @@ int i2400mu_suspend(struct usb_interface *iface, pm_message_t pm_msg) #ifdef CONFIG_PM struct usb_device *usb_dev = i2400mu->usb_dev; #endif + unsigned is_autosuspend = 0; struct i2400m *i2400m = &i2400mu->i2400m; +#ifdef CONFIG_PM + if (usb_dev->auto_pm > 0) + is_autosuspend = 1; +#endif + d_fnstart(3, dev, "(iface %p pm_msg %u)\n", iface, pm_msg.event); if (i2400m->updown == 0) goto no_firmware; - d_printf(1, dev, "fw up, requesting standby\n"); + if (i2400m->state == I2400M_SS_DATA_PATH_CONNECTED && is_autosuspend) { + /* ugh -- the device is connected and this suspend + * request is an autosuspend one (not a system standby + * / hibernate). + * + * The only way the device can go to standby is if the + * link with the base station is in IDLE mode; that + * were the case, we'd be in status + * I2400M_SS_CONNECTED_IDLE. But we are not. + * + * If we *tell* him to go power save now, it'll reset + * as a precautionary measure, so if this is an + * autosuspend thing, say no and it'll come back + * later, when the link is IDLE + */ + result = -EBADF; + d_printf(1, dev, "fw up, link up, not-idle, autosuspend: " + "not entering powersave\n"); + goto error_not_now; + } + d_printf(1, dev, "fw up: entering powersave\n"); atomic_dec(&i2400mu->do_autopm); result = i2400m_cmd_enter_powersave(i2400m); atomic_inc(&i2400mu->do_autopm); -#ifdef CONFIG_PM - if (result < 0 && usb_dev->auto_pm == 0) { + if (result < 0 && !is_autosuspend) { /* System suspend, can't fail */ dev_err(dev, "failed to suspend, will reset on resume\n"); result = 0; } -#endif if (result < 0) goto error_enter_powersave; i2400mu_notification_release(i2400mu); - d_printf(1, dev, "fw up, got standby\n"); + d_printf(1, dev, "powersave requested\n"); error_enter_powersave: +error_not_now: no_firmware: d_fnend(3, dev, "(iface %p pm_msg %u) = %d\n", iface, pm_msg.event, result); diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 8a0823588c5..3d94e7dfea6 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -430,6 +430,7 @@ config RTL8187 ASUS P5B Deluxe Toshiba Satellite Pro series of laptops Asus Wireless Link + Linksys WUSB54GC-EU Thanks to Realtek for their support! diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index f21a6171c69..9eabf4d1f2e 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -6467,6 +6467,7 @@ static int airo_get_encode(struct net_device *dev, { struct airo_info *local = dev->ml_priv; int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; + int wep_key_len; u8 buf[16]; if (!local->wep_capable) @@ -6500,8 +6501,13 @@ static int airo_get_encode(struct net_device *dev, dwrq->flags |= index + 1; /* Copy the key to the user buffer */ - dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf)); - memcpy(extra, buf, dwrq->length); + wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf)); + if (wep_key_len < 0) { + dwrq->length = 0; + } else { + dwrq->length = wep_key_len; + memcpy(extra, buf, dwrq->length); + } return 0; } @@ -6614,7 +6620,7 @@ static int airo_get_encodeext(struct net_device *dev, struct airo_info *local = dev->ml_priv; struct iw_point *encoding = &wrqu->encoding; struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - int idx, max_key_len; + int idx, max_key_len, wep_key_len; u8 buf[16]; if (!local->wep_capable) @@ -6658,8 +6664,13 @@ static int airo_get_encodeext(struct net_device *dev, memset(extra, 0, 16); /* Copy the key to the user buffer */ - ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); - memcpy(extra, buf, ext->key_len); + wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); + if (wep_key_len < 0) { + ext->key_len = 0; + } else { + ext->key_len = wep_key_len; + memcpy(extra, buf, ext->key_len); + } return 0; } @@ -6713,11 +6724,11 @@ static int airo_set_auth(struct net_device *dev, local->config.authType = AUTH_ENCRYPT; } else return -EINVAL; - break; /* Commit the changes to flags if needed */ if (local->config.authType != currentAuthType) set_bit (FLAG_COMMIT, &local->flags); + break; } case IW_AUTH_WPA_ENABLED: diff --git a/drivers/net/wireless/ar9170/hw.h b/drivers/net/wireless/ar9170/hw.h index 13091bd9d81..53e250a4278 100644 --- a/drivers/net/wireless/ar9170/hw.h +++ b/drivers/net/wireless/ar9170/hw.h @@ -310,7 +310,7 @@ struct ar9170_tx_control { struct ar9170_rx_head { u8 plcp[12]; -}; +} __packed; struct ar9170_rx_tail { union { @@ -318,16 +318,16 @@ struct ar9170_rx_tail { u8 rssi_ant0, rssi_ant1, rssi_ant2, rssi_ant0x, rssi_ant1x, rssi_ant2x, rssi_combined; - }; + } __packed; u8 rssi[7]; - }; + } __packed; u8 evm_stream0[6], evm_stream1[6]; u8 phy_err; u8 SAidx, DAidx; u8 error; u8 status; -}; +} __packed; #define AR9170_ENC_ALG_NONE 0x0 #define AR9170_ENC_ALG_WEP64 0x1 diff --git a/drivers/net/wireless/ar9170/usb.c b/drivers/net/wireless/ar9170/usb.c index ad296840893..fddda477095 100644 --- a/drivers/net/wireless/ar9170/usb.c +++ b/drivers/net/wireless/ar9170/usb.c @@ -59,6 +59,8 @@ static struct usb_device_id ar9170_usb_ids[] = { { USB_DEVICE(0x0cf3, 0x9170) }, /* Atheros TG121N */ { USB_DEVICE(0x0cf3, 0x1001) }, + /* Cace Airpcap NX */ + { USB_DEVICE(0xcace, 0x0300) }, /* D-Link DWA 160A */ { USB_DEVICE(0x07d1, 0x3c10) }, /* Netgear WNDA3100 */ @@ -67,6 +69,8 @@ static struct usb_device_id ar9170_usb_ids[] = { { USB_DEVICE(0x0846, 0x9001) }, /* Zydas ZD1221 */ { USB_DEVICE(0x0ace, 0x1221) }, + /* ZyXEL NWD271N */ + { USB_DEVICE(0x0586, 0x3417) }, /* Z-Com UB81 BG */ { USB_DEVICE(0x0cde, 0x0023) }, /* Z-Com UB82 ABG */ @@ -619,6 +623,39 @@ static int ar9170_usb_open(struct ar9170 *ar) return 0; } +static int ar9170_usb_init_device(struct ar9170_usb *aru) +{ + int err; + + err = ar9170_usb_alloc_rx_irq_urb(aru); + if (err) + goto err_out; + + err = ar9170_usb_alloc_rx_bulk_urbs(aru); + if (err) + goto err_unrx; + + err = ar9170_usb_upload_firmware(aru); + if (err) { + err = ar9170_echo_test(&aru->common, 0x60d43110); + if (err) { + /* force user invention, by disabling the device */ + err = usb_driver_set_configuration(aru->udev, -1); + dev_err(&aru->udev->dev, "device is in a bad state. " + "please reconnect it!\n"); + goto err_unrx; + } + } + + return 0; + +err_unrx: + ar9170_usb_cancel_urbs(aru); + +err_out: + return err; +} + static int ar9170_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -654,32 +691,16 @@ static int ar9170_usb_probe(struct usb_interface *intf, err = ar9170_usb_reset(aru); if (err) - goto err_unlock; + goto err_freehw; err = ar9170_usb_request_firmware(aru); if (err) - goto err_unlock; + goto err_freehw; - err = ar9170_usb_alloc_rx_irq_urb(aru); + err = ar9170_usb_init_device(aru); if (err) goto err_freefw; - err = ar9170_usb_alloc_rx_bulk_urbs(aru); - if (err) - goto err_unrx; - - err = ar9170_usb_upload_firmware(aru); - if (err) { - err = ar9170_echo_test(&aru->common, 0x60d43110); - if (err) { - /* force user invention, by disabling the device */ - err = usb_driver_set_configuration(aru->udev, -1); - dev_err(&aru->udev->dev, "device is in a bad state. " - "please reconnect it!\n"); - goto err_unrx; - } - } - err = ar9170_usb_open(ar); if (err) goto err_unrx; @@ -699,7 +720,7 @@ err_freefw: release_firmware(aru->init_values); release_firmware(aru->firmware); -err_unlock: +err_freehw: usb_set_intfdata(intf, NULL); usb_put_dev(udev); ieee80211_free_hw(ar->hw); @@ -726,12 +747,65 @@ static void ar9170_usb_disconnect(struct usb_interface *intf) ieee80211_free_hw(aru->common.hw); } +#ifdef CONFIG_PM +static int ar9170_suspend(struct usb_interface *intf, + pm_message_t message) +{ + struct ar9170_usb *aru = usb_get_intfdata(intf); + + if (!aru) + return -ENODEV; + + aru->common.state = AR9170_IDLE; + ar9170_usb_cancel_urbs(aru); + + return 0; +} + +static int ar9170_resume(struct usb_interface *intf) +{ + struct ar9170_usb *aru = usb_get_intfdata(intf); + int err; + + if (!aru) + return -ENODEV; + + usb_unpoison_anchored_urbs(&aru->rx_submitted); + usb_unpoison_anchored_urbs(&aru->tx_submitted); + + /* + * FIXME: firmware upload will fail on resume. + * but this is better than a hang! + */ + + err = ar9170_usb_init_device(aru); + if (err) + goto err_unrx; + + err = ar9170_usb_open(&aru->common); + if (err) + goto err_unrx; + + return 0; + +err_unrx: + aru->common.state = AR9170_IDLE; + ar9170_usb_cancel_urbs(aru); + + return err; +} +#endif /* CONFIG_PM */ + static struct usb_driver ar9170_driver = { .name = "ar9170usb", .probe = ar9170_usb_probe, .disconnect = ar9170_usb_disconnect, .id_table = ar9170_usb_ids, .soft_unbind = 1, +#ifdef CONFIG_PM + .suspend = ar9170_suspend, + .resume = ar9170_resume, +#endif /* CONFIG_PM */ }; static int __init ar9170_init(void) diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c index 0c02f1c2bd9..8d93ca4651b 100644 --- a/drivers/net/wireless/at76c50x-usb.c +++ b/drivers/net/wireless/at76c50x-usb.c @@ -250,6 +250,8 @@ static struct usb_device_id dev_table[] = { { USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A) }, /* Siemens Gigaset USB WLAN Adapter 11 */ { USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A) }, + /* OQO Model 01+ Internal Wi-Fi */ + { USB_DEVICE(0x1557, 0x0002), USB_DEVICE_DATA(BOARD_505A) }, /* * at76c505amx-rfmd */ @@ -1871,18 +1873,18 @@ static void at76_dwork_hw_scan(struct work_struct *work) if (ret != CMD_STATUS_COMPLETE) { queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan, SCAN_POLL_INTERVAL); - goto exit; + mutex_unlock(&priv->mtx); + return; } - ieee80211_scan_completed(priv->hw, false); - if (is_valid_ether_addr(priv->bssid)) at76_join(priv); - ieee80211_wake_queues(priv->hw); - -exit: mutex_unlock(&priv->mtx); + + ieee80211_scan_completed(priv->hw, false); + + ieee80211_wake_queues(priv->hw); } static int at76_hw_scan(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index a08bc8a4fb6..32df27a9c7a 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -214,7 +214,7 @@ static struct pci_driver ath5k_pci_driver = { * Prototypes - MAC 802.11 stack related functions */ static int ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb); -static int ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel); +static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan); static int ath5k_reset_wake(struct ath5k_softc *sc); static int ath5k_start(struct ieee80211_hw *hw); static void ath5k_stop(struct ieee80211_hw *hw); @@ -1038,16 +1038,13 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan) if (chan->center_freq != sc->curchan->center_freq || chan->hw_value != sc->curchan->hw_value) { - sc->curchan = chan; - sc->curband = &sc->sbands[chan->band]; - /* * To switch channels clear any pending DMA operations; * wait long enough for the RX fifo to drain, reset the * hardware at the new frequency, and then re-enable * the relevant bits of the h/w. */ - return ath5k_reset(sc, true, true); + return ath5k_reset(sc, chan); } return 0; @@ -2314,7 +2311,7 @@ ath5k_init(struct ath5k_softc *sc) sc->imask = AR5K_INT_RXOK | AR5K_INT_RXERR | AR5K_INT_RXEOL | AR5K_INT_RXORN | AR5K_INT_TXDESC | AR5K_INT_TXEOL | AR5K_INT_FATAL | AR5K_INT_GLOBAL; - ret = ath5k_reset(sc, false, false); + ret = ath5k_reset(sc, NULL); if (ret) goto done; @@ -2599,18 +2596,25 @@ drop_packet: return NETDEV_TX_OK; } +/* + * Reset the hardware. If chan is not NULL, then also pause rx/tx + * and change to the given channel. + */ static int -ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel) +ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan) { struct ath5k_hw *ah = sc->ah; int ret; ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n"); - if (stop) { + if (chan) { ath5k_hw_set_imr(ah, 0); ath5k_txq_cleanup(sc); ath5k_rx_stop(sc); + + sc->curchan = chan; + sc->curband = &sc->sbands[chan->band]; } ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, true); if (ret) { @@ -2648,7 +2652,7 @@ ath5k_reset_wake(struct ath5k_softc *sc) { int ret; - ret = ath5k_reset(sc, true, true); + ret = ath5k_reset(sc, sc->curchan); if (!ret) ieee80211_wake_queues(sc->hw); diff --git a/drivers/net/wireless/ath5k/debug.c b/drivers/net/wireless/ath5k/debug.c index 9770bb3d40f..4904a07e4b5 100644 --- a/drivers/net/wireless/ath5k/debug.c +++ b/drivers/net/wireless/ath5k/debug.c @@ -424,7 +424,7 @@ ath5k_debug_dump_bands(struct ath5k_softc *sc) for (b = 0; b < IEEE80211_NUM_BANDS; b++) { struct ieee80211_supported_band *band = &sc->sbands[b]; - char bname[5]; + char bname[6]; switch (band->band) { case IEEE80211_BAND_2GHZ: strcpy(bname, "2 GHz"); diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c index 9e2faae5ae9..b48b29dca3d 100644 --- a/drivers/net/wireless/ath5k/phy.c +++ b/drivers/net/wireless/ath5k/phy.c @@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR, { s8 tmp; s16 min_pwrL, min_pwrR; - s16 pwr_i = pwrL[0]; - - do { - pwr_i--; - tmp = (s8) ath5k_get_interpolated_value(pwr_i, - pwrL[0], pwrL[1], - stepL[0], stepL[1]); - - } while (tmp > 1); - - min_pwrL = pwr_i; - - pwr_i = pwrR[0]; - do { - pwr_i--; - tmp = (s8) ath5k_get_interpolated_value(pwr_i, - pwrR[0], pwrR[1], - stepR[0], stepR[1]); - - } while (tmp > 1); + s16 pwr_i; + + if (pwrL[0] == pwrL[1]) + min_pwrL = pwrL[0]; + else { + pwr_i = pwrL[0]; + do { + pwr_i--; + tmp = (s8) ath5k_get_interpolated_value(pwr_i, + pwrL[0], pwrL[1], + stepL[0], stepL[1]); + } while (tmp > 1); + + min_pwrL = pwr_i; + } - min_pwrR = pwr_i; + if (pwrR[0] == pwrR[1]) + min_pwrR = pwrR[0]; + else { + pwr_i = pwrR[0]; + do { + pwr_i--; + tmp = (s8) ath5k_get_interpolated_value(pwr_i, + pwrR[0], pwrR[1], + stepR[0], stepR[1]); + } while (tmp > 1); + + min_pwrR = pwr_i; + } /* Keep the right boundary so that it works for both curves */ return max(min_pwrL, min_pwrR); diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c index 7a17d31b2fd..5f72c111c2e 100644 --- a/drivers/net/wireless/ath5k/reset.c +++ b/drivers/net/wireless/ath5k/reset.c @@ -26,7 +26,7 @@ \*****************************/ #include <linux/pci.h> /* To determine if a card is pci-e */ -#include <linux/bitops.h> /* For get_bitmask_order */ +#include <linux/log2.h> #include "ath5k.h" #include "reg.h" #include "base.h" @@ -69,10 +69,10 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah, /* Get exponent * ALGO: coef_exp = 14 - highest set bit position */ - coef_exp = get_bitmask_order(coef_scaled); + coef_exp = ilog2(coef_scaled); /* Doesn't make sense if it's zero*/ - if (!coef_exp) + if (!coef_scaled || !coef_exp) return -EINVAL; /* Note: we've shifted coef_scaled by 24 */ @@ -359,7 +359,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) mode |= AR5K_PHY_MODE_FREQ_5GHZ; if (ah->ah_radio == AR5K_RF5413) - clock |= AR5K_PHY_PLL_40MHZ_5413; + clock = AR5K_PHY_PLL_40MHZ_5413; else clock |= AR5K_PHY_PLL_40MHZ; diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c index 71cb18d6757..dd1f3015674 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -493,6 +493,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) int hdrlen, padsize, retval; bool decrypt_error = false; u8 keyix; + __le16 fc; spin_lock_bh(&sc->rx.rxbuflock); @@ -606,6 +607,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) /* see if any padding is done by the hw and remove it */ hdr = (struct ieee80211_hdr *)skb->data; hdrlen = ieee80211_get_hdrlen_from_skb(skb); + fc = hdr->frame_control; /* The MAC header is padded to have 32-bit boundary if the * packet payload is non-zero. The general calculation for @@ -690,7 +692,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) sc->rx.rxotherant = 0; } - if (ieee80211_is_beacon(hdr->frame_control) && + if (ieee80211_is_beacon(fc) && (sc->sc_flags & SC_OP_WAIT_FOR_BEACON)) { sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON; ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP); diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 857d84148b1..27eef8fb710 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -1502,7 +1502,6 @@ static const struct net_device_ops atmel_netdev_ops = { .ndo_set_mac_address = atmel_set_mac_address, .ndo_start_xmit = start_tx, .ndo_do_ioctl = atmel_ioctl, - .ndo_change_mtu = eth_change_mtu, .ndo_validate_addr = eth_validate_addr, }; diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index e228c1de6e1..eae680b5305 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -555,11 +555,32 @@ address_error: return 1; } +static bool b43_rx_buffer_is_poisoned(struct b43_dmaring *ring, struct sk_buff *skb) +{ + unsigned char *f = skb->data + ring->frameoffset; + + return ((f[0] & f[1] & f[2] & f[3] & f[4] & f[5] & f[6] & f[7]) == 0xFF); +} + +static void b43_poison_rx_buffer(struct b43_dmaring *ring, struct sk_buff *skb) +{ + struct b43_rxhdr_fw4 *rxhdr; + unsigned char *frame; + + /* This poisons the RX buffer to detect DMA failures. */ + + rxhdr = (struct b43_rxhdr_fw4 *)(skb->data); + rxhdr->frame_len = 0; + + B43_WARN_ON(ring->rx_buffersize < ring->frameoffset + sizeof(struct b43_plcp_hdr6) + 2); + frame = skb->data + ring->frameoffset; + memset(frame, 0xFF, sizeof(struct b43_plcp_hdr6) + 2 /* padding */); +} + static int setup_rx_descbuffer(struct b43_dmaring *ring, struct b43_dmadesc_generic *desc, struct b43_dmadesc_meta *meta, gfp_t gfp_flags) { - struct b43_rxhdr_fw4 *rxhdr; dma_addr_t dmaaddr; struct sk_buff *skb; @@ -568,6 +589,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); if (unlikely(!skb)) return -ENOMEM; + b43_poison_rx_buffer(ring, skb); dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { /* ugh. try to realloc in zone_dma */ @@ -578,6 +600,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); if (unlikely(!skb)) return -ENOMEM; + b43_poison_rx_buffer(ring, skb); dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { @@ -592,9 +615,6 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, ring->ops->fill_descriptor(ring, desc, dmaaddr, ring->rx_buffersize, 0, 0, 0); - rxhdr = (struct b43_rxhdr_fw4 *)(skb->data); - rxhdr->frame_len = 0; - return 0; } @@ -1483,12 +1503,17 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) len = le16_to_cpu(rxhdr->frame_len); } while (len == 0 && i++ < 5); if (unlikely(len == 0)) { - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - goto drop; + dmaaddr = meta->dmaaddr; + goto drop_recycle_buffer; } } + if (unlikely(b43_rx_buffer_is_poisoned(ring, skb))) { + /* Something went wrong with the DMA. + * The device did not touch the buffer and did not overwrite the poison. */ + b43dbg(ring->dev->wl, "DMA RX: Dropping poisoned buffer.\n"); + dmaaddr = meta->dmaaddr; + goto drop_recycle_buffer; + } if (unlikely(len > ring->rx_buffersize)) { /* The data did not fit into one descriptor buffer * and is split over multiple buffers. @@ -1501,6 +1526,7 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) while (1) { desc = ops->idx2desc(ring, *slot, &meta); /* recycle the descriptor buffer. */ + b43_poison_rx_buffer(ring, meta->skb); sync_descbuffer_for_device(ring, meta->dmaaddr, ring->rx_buffersize); *slot = next_slot(ring, *slot); @@ -1519,8 +1545,7 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) err = setup_rx_descbuffer(ring, desc, meta, GFP_ATOMIC); if (unlikely(err)) { b43dbg(ring->dev->wl, "DMA RX: setup_rx_descbuffer() failed\n"); - sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize); - goto drop; + goto drop_recycle_buffer; } unmap_descbuffer(ring, dmaaddr, ring->rx_buffersize, 0); @@ -1530,6 +1555,11 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) b43_rx(ring->dev, skb, rxhdr); drop: return; + +drop_recycle_buffer: + /* Poison and recycle the RX buffer. */ + b43_poison_rx_buffer(ring, skb); + sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize); } void b43_dma_rx(struct b43_dmaring *ring) diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 4896e083111..79b685e300c 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -3974,6 +3974,11 @@ static void setup_struct_phy_for_init(struct b43_wldev *dev, phy->next_txpwr_check_time = jiffies; /* PHY TX errors counter. */ atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); + +#if B43_DEBUG + phy->phy_locked = 0; + phy->radio_locked = 0; +#endif } static void setup_struct_wldev_for_init(struct b43_wldev *dev) diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c index 026b61c03fb..e176b6e0d9c 100644 --- a/drivers/net/wireless/b43/phy_common.c +++ b/drivers/net/wireless/b43/phy_common.c @@ -131,12 +131,16 @@ void b43_radio_lock(struct b43_wldev *dev) { u32 macctl; +#if B43_DEBUG + B43_WARN_ON(dev->phy.radio_locked); + dev->phy.radio_locked = 1; +#endif + macctl = b43_read32(dev, B43_MMIO_MACCTL); - B43_WARN_ON(macctl & B43_MACCTL_RADIOLOCK); macctl |= B43_MACCTL_RADIOLOCK; b43_write32(dev, B43_MMIO_MACCTL, macctl); - /* Commit the write and wait for the device - * to exit any radio register access. */ + /* Commit the write and wait for the firmware + * to finish any radio register access. */ b43_read32(dev, B43_MMIO_MACCTL); udelay(10); } @@ -145,11 +149,15 @@ void b43_radio_unlock(struct b43_wldev *dev) { u32 macctl; +#if B43_DEBUG + B43_WARN_ON(!dev->phy.radio_locked); + dev->phy.radio_locked = 0; +#endif + /* Commit any write */ b43_read16(dev, B43_MMIO_PHY_VER); /* unlock */ macctl = b43_read32(dev, B43_MMIO_MACCTL); - B43_WARN_ON(!(macctl & B43_MACCTL_RADIOLOCK)); macctl &= ~B43_MACCTL_RADIOLOCK; b43_write32(dev, B43_MMIO_MACCTL, macctl); } diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h index c9f5430d1d7..b2d99101947 100644 --- a/drivers/net/wireless/b43/phy_common.h +++ b/drivers/net/wireless/b43/phy_common.h @@ -245,8 +245,10 @@ struct b43_phy { atomic_t txerr_cnt; #ifdef CONFIG_B43_DEBUG - /* PHY registers locked by b43_phy_lock()? */ + /* PHY registers locked (w.r.t. firmware) */ bool phy_locked; + /* Radio registers locked (w.r.t. firmware) */ + bool radio_locked; #endif /* B43_DEBUG */ }; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 2399328e8de..527525cc091 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -1192,7 +1192,7 @@ int iwl3945_hw_nic_init(struct iwl_priv *priv) return -ENOMEM; } } else - iwl_rx_queue_reset(priv, rxq); + iwl3945_rx_queue_reset(priv, rxq); iwl3945_rx_replenish(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index ab7aaf6872c..55188844657 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -215,6 +215,7 @@ extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm); extern int iwl3945_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, int count, u32 id); extern void iwl3945_rx_replenish(void *data); +extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); extern void iwl3945_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq); extern int iwl3945_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index e5ca2511a81..9452461ce86 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -46,7 +46,7 @@ #include "iwl-6000-hw.h" /* Highest firmware API version supported */ -#define IWL5000_UCODE_API_MAX 1 +#define IWL5000_UCODE_API_MAX 2 #define IWL5150_UCODE_API_MAX 2 /* Lowest firmware API version supported */ diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index edfa5e149f7..bd438d8acf5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -101,8 +101,8 @@ struct iwl_cfg iwl6000_2agn_cfg = { .eeprom_ver = EEPROM_5000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, - .valid_tx_ant = ANT_BC, - .valid_rx_ant = ANT_BC, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, .need_pll_cfg = false, }; @@ -117,8 +117,8 @@ struct iwl_cfg iwl6050_2agn_cfg = { .eeprom_ver = EEPROM_5000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, - .valid_tx_ant = ANT_BC, - .valid_rx_ant = ANT_BC, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, .need_pll_cfg = false, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 3889158b359..f46ba247577 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -669,13 +669,6 @@ static int iwl_set_mode(struct iwl_priv *priv, int mode) if (!iwl_is_ready_rf(priv)) return -EAGAIN; - cancel_delayed_work(&priv->scan_check); - if (iwl_scan_cancel_timeout(priv, 100)) { - IWL_WARN(priv, "Aborted scan still in progress after 100ms\n"); - IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n"); - return -EAGAIN; - } - iwl_commit_rxon(priv); return 0; @@ -976,11 +969,9 @@ void iwl_rx_handle(struct iwl_priv *priv) rxq->queue[i] = NULL; - dma_sync_single_range_for_cpu( - &priv->pci_dev->dev, rxb->real_dma_addr, - rxb->aligned_dma_addr - rxb->real_dma_addr, - priv->hw_params.rx_buf_size, - PCI_DMA_FROMDEVICE); + pci_unmap_single(priv->pci_dev, rxb->real_dma_addr, + priv->hw_params.rx_buf_size + 256, + PCI_DMA_FROMDEVICE); pkt = (struct iwl_rx_packet *)rxb->skb->data; /* Reclaim a command buffer only if this packet is a response @@ -1031,9 +1022,6 @@ void iwl_rx_handle(struct iwl_priv *priv) rxb->skb = NULL; } - pci_unmap_single(priv->pci_dev, rxb->real_dma_addr, - priv->hw_params.rx_buf_size + 256, - PCI_DMA_FROMDEVICE); spin_lock_irqsave(&rxq->lock, flags); list_add_tail(&rxb->list, &priv->rxq.rx_used); spin_unlock_irqrestore(&rxq->lock, flags); @@ -3641,7 +3629,9 @@ static struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x0085, 0x1112, iwl6000_2ag_cfg)}, {IWL_PCI_DEVICE(0x0082, 0x1122, iwl6000_2ag_cfg)}, {IWL_PCI_DEVICE(0x422B, PCI_ANY_ID, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x422C, PCI_ANY_ID, iwl6000_2agn_cfg)}, {IWL_PCI_DEVICE(0x4238, PCI_ANY_ID, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x4239, PCI_ANY_ID, iwl6000_2agn_cfg)}, {IWL_PCI_DEVICE(0x0082, PCI_ANY_ID, iwl6000_2agn_cfg)}, {IWL_PCI_DEVICE(0x0085, PCI_ANY_ID, iwl6000_3agn_cfg)}, {IWL_PCI_DEVICE(0x0086, PCI_ANY_ID, iwl6050_3agn_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index 2f1242447b3..6e983149b83 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -223,7 +223,7 @@ #define CSR_EEPROM_REG_MSK_DATA (0xFFFF0000) /* EEPROM GP */ -#define CSR_EEPROM_GP_VALID_MSK (0x00000006) +#define CSR_EEPROM_GP_VALID_MSK (0x00000007) #define CSR_EEPROM_GP_BAD_SIGNATURE (0x00000000) #define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index ec9a13846ed..cf7f0db58fc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -360,12 +360,16 @@ struct iwl_host_cmd { /** * struct iwl_rx_queue - Rx queue + * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) + * @dma_addr: bus address of buffer of receive buffer descriptors (rbd) * @read: Shared index to newest available Rx buffer * @write: Shared index to oldest written Rx packet * @free_count: Number of pre-allocated buffers in rx_free * @rx_free: list of free SKBs for use * @rx_used: List of Rx buffers with no SKB * @need_update: flag to indicate we need to update read/write index + * @rb_stts: driver's pointer to receive buffer status + * @rb_stts_dma: bus address of receive buffer status * * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers */ diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 23644cf884f..6330b91e37c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -227,9 +227,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, /* The HW is no longer scanning */ clear_bit(STATUS_SCAN_HW, &priv->status); - /* The scan completion notification came in, so kill that timer... */ - cancel_delayed_work(&priv->scan_check); - IWL_DEBUG_INFO(priv, "Scan pass on %sGHz took %dms\n", (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ? "2.4" : "5.2", @@ -712,6 +709,8 @@ static void iwl_bg_request_scan(struct work_struct *data) mutex_lock(&priv->mutex); + cancel_delayed_work(&priv->scan_check); + if (!iwl_is_ready(priv)) { IWL_WARN(priv, "request scan called when driver not ready.\n"); goto done; @@ -925,11 +924,13 @@ void iwl_bg_scan_completed(struct work_struct *work) IWL_DEBUG_SCAN(priv, "SCAN complete scan\n"); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; + cancel_delayed_work(&priv->scan_check); ieee80211_scan_completed(priv->hw, false); + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + /* Since setting the TXPOWER may have been deferred while * performing the scan, fire one off */ mutex_lock(&priv->mutex); diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 5798fe49c77..44ab03a12e4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -719,6 +719,14 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv, { unsigned long flags; int ret = 0; + __le16 key_flags = 0; + + key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK); + key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); + key_flags &= ~STA_KEY_FLG_INVALID; + + if (sta_id == priv->hw_params.bcast_sta_id) + key_flags |= STA_KEY_MULTICAST_MSK; keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; @@ -738,6 +746,9 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv, WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET, "no space for a new key"); + priv->stations[sta_id].sta.key.key_flags = key_flags; + + /* This copy is acutally not needed: we get the key with each TX */ memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16); @@ -754,9 +765,7 @@ void iwl_update_tkip_key(struct iwl_priv *priv, { u8 sta_id = IWL_INVALID_STATION; unsigned long flags; - __le16 key_flags = 0; int i; - DECLARE_MAC_BUF(mac); sta_id = iwl_find_station(priv, addr); if (sta_id == IWL_INVALID_STATION) { @@ -771,16 +780,8 @@ void iwl_update_tkip_key(struct iwl_priv *priv, return; } - key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK); - key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); - key_flags &= ~STA_KEY_FLG_INVALID; - - if (sta_id == priv->hw_params.bcast_sta_id) - key_flags |= STA_KEY_MULTICAST_MSK; - spin_lock_irqsave(&priv->sta_lock, flags); - priv->stations[sta_id].sta.key.key_flags = key_flags; priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32; for (i = 0; i < 5; i++) diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 1f117a49c56..71d5b8a1a73 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -799,6 +799,22 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Copy MAC header from skb into command buffer */ memcpy(tx_cmd->hdr, hdr, hdr_len); + + /* Total # bytes to be transmitted */ + len = (u16)skb->len; + tx_cmd->len = cpu_to_le16(len); + + if (info->control.hw_key) + iwl_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id); + + /* TODO need this for burst mode later on */ + iwl_tx_cmd_build_basic(priv, tx_cmd, info, hdr, sta_id); + + /* set is_hcca to 0; it probably will never be implemented */ + iwl_tx_cmd_build_rate(priv, tx_cmd, info, fc, sta_id, 0); + + iwl_update_tx_stats(priv, le16_to_cpu(fc), len); + /* * Use the first empty entry in this queue's command buffer array * to contain the Tx command and MAC header concatenated together @@ -819,21 +835,30 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) else len_org = 0; + /* Tell NIC about any 2-byte padding after MAC header */ + if (len_org) + tx_cmd->tx_flags |= TX_CMD_FLG_MH_PAD_MSK; + /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ txcmd_phys = pci_map_single(priv->pci_dev, - out_cmd, sizeof(struct iwl_cmd), + &out_cmd->hdr, len, PCI_DMA_BIDIRECTIONAL); pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys); - pci_unmap_len_set(&out_cmd->meta, len, sizeof(struct iwl_cmd)); + pci_unmap_len_set(&out_cmd->meta, len, len); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ - txcmd_phys += offsetof(struct iwl_cmd, hdr); priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, txcmd_phys, len, 1, 0); - if (info->control.hw_key) - iwl_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id); + if (!ieee80211_has_morefrags(hdr->frame_control)) { + txq->need_update = 1; + if (qc) + priv->stations[sta_id].tid[tid].seq_number = seq_number; + } else { + wait_write_ptr = 1; + txq->need_update = 0; + } /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ @@ -846,41 +871,29 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) 0, 0); } - /* Tell NIC about any 2-byte padding after MAC header */ - if (len_org) - tx_cmd->tx_flags |= TX_CMD_FLG_MH_PAD_MSK; - - /* Total # bytes to be transmitted */ - len = (u16)skb->len; - tx_cmd->len = cpu_to_le16(len); - /* TODO need this for burst mode later on */ - iwl_tx_cmd_build_basic(priv, tx_cmd, info, hdr, sta_id); - - /* set is_hcca to 0; it probably will never be implemented */ - iwl_tx_cmd_build_rate(priv, tx_cmd, info, fc, sta_id, 0); - - iwl_update_tx_stats(priv, le16_to_cpu(fc), len); - scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) + - offsetof(struct iwl_tx_cmd, scratch); + offsetof(struct iwl_tx_cmd, scratch); + + len = sizeof(struct iwl_tx_cmd) + + sizeof(struct iwl_cmd_header) + hdr_len; + /* take back ownership of DMA buffer to enable update */ + pci_dma_sync_single_for_cpu(priv->pci_dev, txcmd_phys, + len, PCI_DMA_BIDIRECTIONAL); tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys); tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys); - if (!ieee80211_has_morefrags(hdr->frame_control)) { - txq->need_update = 1; - if (qc) - priv->stations[sta_id].tid[tid].seq_number = seq_number; - } else { - wait_write_ptr = 1; - txq->need_update = 0; - } - + IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n", + le16_to_cpu(out_cmd->hdr.sequence)); + IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx_cmd->tx_flags)); iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd)); - iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len); /* Set up entry for this TFD in Tx byte-count array */ - priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, len); + priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, + le16_to_cpu(tx_cmd->len)); + + pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys, + len, PCI_DMA_BIDIRECTIONAL); /* Tell device the write index *just past* this latest filled TFD */ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); @@ -968,18 +981,9 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) INDEX_TO_SEQ(q->write_ptr)); if (out_cmd->meta.flags & CMD_SIZE_HUGE) out_cmd->hdr.sequence |= SEQ_HUGE_FRAME; - len = (idx == TFD_CMD_SLOTS) ? - IWL_MAX_SCAN_SIZE : sizeof(struct iwl_cmd); - - phys_addr = pci_map_single(priv->pci_dev, out_cmd, - len, PCI_DMA_BIDIRECTIONAL); - pci_unmap_addr_set(&out_cmd->meta, mapping, phys_addr); - pci_unmap_len_set(&out_cmd->meta, len, len); - phys_addr += offsetof(struct iwl_cmd, hdr); + len = sizeof(struct iwl_cmd) - sizeof(struct iwl_cmd_meta); + len += (idx == TFD_CMD_SLOTS) ? IWL_MAX_SCAN_SIZE : 0; - priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, - phys_addr, fix_size, 1, - U32_PAD(cmd->len)); #ifdef CONFIG_IWLWIFI_DEBUG switch (out_cmd->hdr.cmd) { @@ -1007,6 +1011,15 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) /* Set up entry in queue's byte count circular buffer */ priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, 0); + phys_addr = pci_map_single(priv->pci_dev, &out_cmd->hdr, + fix_size, PCI_DMA_BIDIRECTIONAL); + pci_unmap_addr_set(&out_cmd->meta, mapping, phys_addr); + pci_unmap_len_set(&out_cmd->meta, len, fix_size); + + priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, + phys_addr, fix_size, 1, + U32_PAD(cmd->len)); + /* Increment and update queue's write index */ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); ret = iwl_txq_update_write_ptr(priv, txq); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index ce729281ff6..ff4d0e41d7c 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -782,13 +782,6 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode) if (!iwl_is_ready_rf(priv)) return -EAGAIN; - cancel_delayed_work(&priv->scan_check); - if (iwl_scan_cancel_timeout(priv, 100)) { - IWL_WARN(priv, "Aborted scan still in progress after 100ms\n"); - IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n"); - return -EAGAIN; - } - iwl3945_commit_rxon(priv); return 0; @@ -972,7 +965,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) dma_addr_t phys_addr; dma_addr_t txcmd_phys; int txq_id = skb_get_queue_mapping(skb); - u16 len, idx, len_org, hdr_len; + u16 len, idx, len_org, hdr_len; /* TODO: len_org is not used */ u8 id; u8 unicast; u8 sta_id; @@ -1074,6 +1067,40 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Copy MAC header from skb into command buffer */ memcpy(tx->hdr, hdr, hdr_len); + + if (info->control.hw_key) + iwl3945_build_tx_cmd_hwcrypto(priv, info, out_cmd, skb, sta_id); + + /* TODO need this for burst mode later on */ + iwl3945_build_tx_cmd_basic(priv, out_cmd, info, hdr, sta_id); + + /* set is_hcca to 0; it probably will never be implemented */ + iwl3945_hw_build_tx_cmd_rate(priv, out_cmd, info, hdr, sta_id, 0); + + /* Total # bytes to be transmitted */ + len = (u16)skb->len; + tx->len = cpu_to_le16(len); + + + tx->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK; + tx->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK; + + if (!ieee80211_has_morefrags(hdr->frame_control)) { + txq->need_update = 1; + if (qc) + priv->stations_39[sta_id].tid[tid].seq_number = seq_number; + } else { + wait_write_ptr = 1; + txq->need_update = 0; + } + + IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n", + le16_to_cpu(out_cmd->hdr.sequence)); + IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx->tx_flags)); + iwl_print_hex_dump(priv, IWL_DL_TX, tx, sizeof(*tx)); + iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx->hdr, + ieee80211_hdrlen(fc)); + /* * Use the first empty entry in this queue's command buffer array * to contain the Tx command and MAC header concatenated together @@ -1096,22 +1123,18 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ - txcmd_phys = pci_map_single(priv->pci_dev, - out_cmd, sizeof(struct iwl_cmd), - PCI_DMA_TODEVICE); + txcmd_phys = pci_map_single(priv->pci_dev, &out_cmd->hdr, + len, PCI_DMA_TODEVICE); + /* we do not map meta data ... so we can safely access address to + * provide to unmap command*/ pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys); - pci_unmap_len_set(&out_cmd->meta, len, sizeof(struct iwl_cmd)); - /* Add buffer containing Tx command and MAC(!) header to TFD's - * first entry */ - txcmd_phys += offsetof(struct iwl_cmd, hdr); + pci_unmap_len_set(&out_cmd->meta, len, len); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, txcmd_phys, len, 1, 0); - if (info->control.hw_key) - iwl3945_build_tx_cmd_hwcrypto(priv, info, out_cmd, skb, sta_id); /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ @@ -1124,32 +1147,6 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) 0, U32_PAD(len)); } - /* Total # bytes to be transmitted */ - len = (u16)skb->len; - tx->len = cpu_to_le16(len); - - /* TODO need this for burst mode later on */ - iwl3945_build_tx_cmd_basic(priv, out_cmd, info, hdr, sta_id); - - /* set is_hcca to 0; it probably will never be implemented */ - iwl3945_hw_build_tx_cmd_rate(priv, out_cmd, info, hdr, sta_id, 0); - - tx->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK; - tx->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK; - - if (!ieee80211_has_morefrags(hdr->frame_control)) { - txq->need_update = 1; - if (qc) - priv->stations_39[sta_id].tid[tid].seq_number = seq_number; - } else { - wait_write_ptr = 1; - txq->need_update = 0; - } - - iwl_print_hex_dump(priv, IWL_DL_TX, tx, sizeof(*tx)); - - iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx->hdr, - ieee80211_hdrlen(fc)); /* Tell device the write index *just past* this latest filled TFD */ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); @@ -1661,6 +1658,36 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv) spin_unlock_irqrestore(&rxq->lock, flags); } +void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq) +{ + unsigned long flags; + int i; + spin_lock_irqsave(&rxq->lock, flags); + INIT_LIST_HEAD(&rxq->rx_free); + INIT_LIST_HEAD(&rxq->rx_used); + /* Fill the rx_used queue with _all_ of the Rx buffers */ + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { + /* In the reset function, these buffers may have been allocated + * to an SKB, so we need to unmap and free potential storage */ + if (rxq->pool[i].skb != NULL) { + pci_unmap_single(priv->pci_dev, + rxq->pool[i].real_dma_addr, + priv->hw_params.rx_buf_size, + PCI_DMA_FROMDEVICE); + priv->alloc_rxb_skb--; + dev_kfree_skb(rxq->pool[i].skb); + rxq->pool[i].skb = NULL; + } + list_add_tail(&rxq->pool[i].list, &rxq->rx_used); + } + + /* Set us so that we have processed and used all buffers, but have + * not restocked the Rx queue with fresh buffers */ + rxq->read = rxq->write = 0; + rxq->free_count = 0; + spin_unlock_irqrestore(&rxq->lock, flags); +} + /* * this should be called while priv->lock is locked */ @@ -1685,6 +1712,33 @@ void iwl3945_rx_replenish(void *data) spin_unlock_irqrestore(&priv->lock, flags); } +/* Assumes that the skb field of the buffers in 'pool' is kept accurate. + * If an SKB has been detached, the POOL needs to have its SKB set to NULL + * This free routine walks the list of POOL entries and if SKB is set to + * non NULL it is unmapped and freed + */ +static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq) +{ + int i; + for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) { + if (rxq->pool[i].skb != NULL) { + pci_unmap_single(priv->pci_dev, + rxq->pool[i].real_dma_addr, + priv->hw_params.rx_buf_size, + PCI_DMA_FROMDEVICE); + dev_kfree_skb(rxq->pool[i].skb); + } + } + + pci_free_consistent(priv->pci_dev, 4 * RX_QUEUE_SIZE, rxq->bd, + rxq->dma_addr); + pci_free_consistent(priv->pci_dev, sizeof(struct iwl_rb_status), + rxq->rb_stts, rxq->rb_stts_dma); + rxq->bd = NULL; + rxq->rb_stts = NULL; +} + + /* Convert linear signal-to-noise ratio into dB */ static u8 ratio2dB[100] = { /* 0 1 2 3 4 5 6 7 8 9 */ @@ -1802,9 +1856,9 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) rxq->queue[i] = NULL; - pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->real_dma_addr, - priv->hw_params.rx_buf_size, - PCI_DMA_FROMDEVICE); + pci_unmap_single(priv->pci_dev, rxb->real_dma_addr, + priv->hw_params.rx_buf_size, + PCI_DMA_FROMDEVICE); pkt = (struct iwl_rx_packet *)rxb->skb->data; /* Reclaim a command buffer only if this packet is a response @@ -1852,9 +1906,6 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) rxb->skb = NULL; } - pci_unmap_single(priv->pci_dev, rxb->real_dma_addr, - priv->hw_params.rx_buf_size, - PCI_DMA_FROMDEVICE); spin_lock_irqsave(&rxq->lock, flags); list_add_tail(&rxb->list, &priv->rxq.rx_used); spin_unlock_irqrestore(&rxq->lock, flags); @@ -3240,6 +3291,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data) mutex_lock(&priv->mutex); + cancel_delayed_work(&priv->scan_check); + if (!iwl_is_ready(priv)) { IWL_WARN(priv, "request scan called when driver not ready.\n"); goto done; @@ -4075,7 +4128,7 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (!static_key) { sta_id = iwl3945_hw_find_station(priv, addr); if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_MAC80211(priv, "leave - %pMnot in station map.\n", + IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n", addr); return -EINVAL; } @@ -4913,6 +4966,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv) hw->wiphy->custom_regulatory = true; + hw->wiphy->max_scan_ssids = 1; /* WILL FIX */ + /* Default value; 4 EDCA QOS priorities */ hw->queues = 4; @@ -5194,12 +5249,12 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev) sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); iwl_rfkill_unregister(priv); - cancel_delayed_work(&priv->rfkill_poll); + cancel_delayed_work_sync(&priv->rfkill_poll); iwl3945_dealloc_ucode_pci(priv); if (priv->rxq.bd) - iwl_rx_queue_free(priv, &priv->rxq); + iwl3945_rx_queue_free(priv, &priv->rxq); iwl3945_hw_txq_ctx_free(priv); iwl3945_unset_hw_params(priv); diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index 63d7e19ce9b..8e669775cb5 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -170,6 +170,7 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) lbs_deb_rx("rx err: frame received with bad length\n"); dev->stats.rx_length_errors++; ret = 0; + dev_kfree_skb(skb); goto done; } @@ -181,6 +182,7 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) lbs_pr_alert("rxpd not ok\n"); dev->stats.rx_errors++; ret = 0; + dev_kfree_skb(skb); goto done; } diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 57a0268d1ba..a9a970469c2 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -893,8 +893,7 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) rx_desc->next_rx_desc_phys_addr = cpu_to_le32(rxq->rx_desc_dma + nexti * sizeof(*rx_desc)); - rx_desc->rx_ctrl = - cpu_to_le32(MWL8K_RX_CTRL_OWNED_BY_HOST); + rx_desc->rx_ctrl = MWL8K_RX_CTRL_OWNED_BY_HOST; } return 0; @@ -3720,12 +3719,12 @@ err_free_reg: return rc; } -static void __devexit mwl8k_remove(struct pci_dev *pdev) +static void __devexit mwl8k_shutdown(struct pci_dev *pdev) { printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); } -static void __devexit mwl8k_shutdown(struct pci_dev *pdev) +static void __devexit mwl8k_remove(struct pci_dev *pdev) { struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct mwl8k_priv *priv; diff --git a/drivers/net/wireless/orinoco/hw.c b/drivers/net/wireless/orinoco/hw.c index 081428d9409..632fac86a30 100644 --- a/drivers/net/wireless/orinoco/hw.c +++ b/drivers/net/wireless/orinoco/hw.c @@ -372,15 +372,13 @@ int __orinoco_hw_set_tkip_key(hermes_t *hw, int key_idx, int set_tx, } /* Wait upto 100ms for tx queue to empty */ - k = 100; - do { - k--; + for (k = 100; k > 0; k--) { udelay(1000); ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY, &xmitting); - if (ret) + if (ret || !xmitting) break; - } while ((k > 0) && xmitting); + } if (k == 0) ret = -ETIMEDOUT; diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h index 2dda5fe418b..ecf8b6ed5a4 100644 --- a/drivers/net/wireless/p54/p54.h +++ b/drivers/net/wireless/p54/p54.h @@ -14,9 +14,9 @@ * published by the Free Software Foundation. */ -#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_P54_LEDS #include <linux/leds.h> -#endif /* CONFIG_MAC80211_LEDS */ +#endif /* CONFIG_P54_LEDS */ enum p54_control_frame_types { P54_CONTROL_TYPE_SETUP = 0, @@ -116,7 +116,7 @@ enum fw_state { FW_STATE_RESETTING, }; -#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_P54_LEDS #define P54_LED_MAX_NAME_LEN 31 @@ -129,7 +129,7 @@ struct p54_led_dev { unsigned int registered; }; -#endif /* CONFIG_MAC80211_LEDS */ +#endif /* CONFIG_P54_LEDS */ struct p54_common { struct ieee80211_hw *hw; @@ -177,10 +177,10 @@ struct p54_common { u8 privacy_caps; u8 rx_keycache_size; /* LED management */ - #ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_P54_LEDS struct p54_led_dev assoc_led; struct p54_led_dev tx_led; - #endif /* CONFIG_MAC80211_LEDS */ +#endif /* CONFIG_P54_LEDS */ u16 softled_state; /* bit field of glowing LEDs */ }; diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 0c1b0577d4e..c8f0232ee5e 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -2543,8 +2543,6 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len) priv->basic_rate_mask = 0x15f; skb_queue_head_init(&priv->tx_queue); dev->flags = IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index 2b222aaa6f0..d1fe577de3d 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -457,9 +457,10 @@ static int p54spi_wq_tx(struct p54s_priv *priv) struct ieee80211_tx_info *info; struct p54_tx_info *minfo; struct p54s_tx_info *dinfo; + unsigned long flags; int ret = 0; - spin_lock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); while (!list_empty(&priv->tx_pending)) { entry = list_entry(priv->tx_pending.next, @@ -467,7 +468,7 @@ static int p54spi_wq_tx(struct p54s_priv *priv) list_del_init(&entry->tx_list); - spin_unlock_bh(&priv->tx_lock); + spin_unlock_irqrestore(&priv->tx_lock, flags); dinfo = container_of((void *) entry, struct p54s_tx_info, tx_list); @@ -479,16 +480,14 @@ static int p54spi_wq_tx(struct p54s_priv *priv) ret = p54spi_tx_frame(priv, skb); - spin_lock_bh(&priv->tx_lock); - if (ret < 0) { p54_free_skb(priv->hw, skb); - goto out; + return ret; } - } -out: - spin_unlock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); + } + spin_unlock_irqrestore(&priv->tx_lock, flags); return ret; } @@ -498,12 +497,13 @@ static void p54spi_op_tx(struct ieee80211_hw *dev, struct sk_buff *skb) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct p54_tx_info *mi = (struct p54_tx_info *) info->rate_driver_data; struct p54s_tx_info *di = (struct p54s_tx_info *) mi->data; + unsigned long flags; BUILD_BUG_ON(sizeof(*di) > sizeof((mi->data))); - spin_lock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); list_add_tail(&di->tx_list, &priv->tx_pending); - spin_unlock_bh(&priv->tx_lock); + spin_unlock_irqrestore(&priv->tx_lock, flags); queue_work(priv->hw->workqueue, &priv->work); } @@ -604,6 +604,7 @@ out: static void p54spi_op_stop(struct ieee80211_hw *dev) { struct p54s_priv *priv = dev->priv; + unsigned long flags; if (mutex_lock_interruptible(&priv->mutex)) { /* FIXME: how to handle this error? */ @@ -615,9 +616,9 @@ static void p54spi_op_stop(struct ieee80211_hw *dev) cancel_work_sync(&priv->work); p54spi_power_off(priv); - spin_lock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); INIT_LIST_HEAD(&priv->tx_pending); - spin_unlock_bh(&priv->tx_lock); + spin_unlock_irqrestore(&priv->tx_lock, flags); priv->fw_state = FW_STATE_OFF; mutex_unlock(&priv->mutex); diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index da6640afc83..6cc6cbc9234 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -71,6 +71,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */ {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */ {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ + {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ {USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */ diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index db91db77650..bebf735cd4b 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2558,6 +2558,11 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) mutex_init(&priv->command_lock); spin_lock_init(&priv->stats_lock); + /* because rndis_command() sleeps we need to use workqueue */ + priv->workqueue = create_singlethread_workqueue("rndis_wlan"); + INIT_WORK(&priv->work, rndis_wext_worker); + INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); + /* try bind rndis_host */ retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); if (retval < 0) @@ -2603,16 +2608,17 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) disassociate(usbdev, 1); netif_carrier_off(usbdev->net); - /* because rndis_command() sleeps we need to use workqueue */ - priv->workqueue = create_singlethread_workqueue("rndis_wlan"); - INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); queue_delayed_work(priv->workqueue, &priv->stats_work, round_jiffies_relative(STATS_UPDATE_JIFFIES)); - INIT_WORK(&priv->work, rndis_wext_worker); return 0; fail: + cancel_delayed_work_sync(&priv->stats_work); + cancel_work_sync(&priv->work); + flush_workqueue(priv->workqueue); + destroy_workqueue(priv->workqueue); + kfree(priv); return retval; } diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c index 07d378ef0b4..7b3ee8c2eae 100644 --- a/drivers/net/wireless/rt2x00/rt2x00debug.c +++ b/drivers/net/wireless/rt2x00/rt2x00debug.c @@ -138,7 +138,7 @@ void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev, if (cipher == CIPHER_TKIP_NO_MIC) cipher = CIPHER_TKIP; - if (cipher == CIPHER_NONE || cipher > CIPHER_MAX) + if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX) return; /* Remove CIPHER_NONE index */ diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 05f94e21b42..5752aaae906 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -646,10 +646,8 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev) * Register HW. */ status = ieee80211_register_hw(rt2x00dev->hw); - if (status) { - rt2x00lib_remove_hw(rt2x00dev); + if (status) return status; - } set_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags); diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index 43fa0f84900..9730b4f8fd2 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -369,8 +369,6 @@ int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state) if (retval) return retval; - rt2x00pci_free_reg(rt2x00dev); - pci_save_state(pci_dev); pci_disable_device(pci_dev); return pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); @@ -381,7 +379,6 @@ int rt2x00pci_resume(struct pci_dev *pci_dev) { struct ieee80211_hw *hw = pci_get_drvdata(pci_dev); struct rt2x00_dev *rt2x00dev = hw->priv; - int retval; if (pci_set_power_state(pci_dev, PCI_D0) || pci_enable_device(pci_dev) || @@ -390,20 +387,7 @@ int rt2x00pci_resume(struct pci_dev *pci_dev) return -EIO; } - retval = rt2x00pci_alloc_reg(rt2x00dev); - if (retval) - return retval; - - retval = rt2x00lib_resume(rt2x00dev); - if (retval) - goto exit_free_reg; - - return 0; - -exit_free_reg: - rt2x00pci_free_reg(rt2x00dev); - - return retval; + return rt2x00lib_resume(rt2x00dev); } EXPORT_SYMBOL_GPL(rt2x00pci_resume); #endif /* CONFIG_PM */ diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 7d50ca82375..501544882c2 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -702,8 +702,6 @@ int rt2x00usb_suspend(struct usb_interface *usb_intf, pm_message_t state) if (retval) return retval; - rt2x00usb_free_reg(rt2x00dev); - /* * Decrease usbdev refcount. */ @@ -717,24 +715,10 @@ int rt2x00usb_resume(struct usb_interface *usb_intf) { struct ieee80211_hw *hw = usb_get_intfdata(usb_intf); struct rt2x00_dev *rt2x00dev = hw->priv; - int retval; usb_get_dev(interface_to_usbdev(usb_intf)); - retval = rt2x00usb_alloc_reg(rt2x00dev); - if (retval) - return retval; - - retval = rt2x00lib_resume(rt2x00dev); - if (retval) - goto exit_free_reg; - - return 0; - -exit_free_reg: - rt2x00usb_free_reg(rt2x00dev); - - return retval; + return rt2x00lib_resume(rt2x00dev); } EXPORT_SYMBOL_GPL(rt2x00usb_resume); #endif /* CONFIG_PM */ diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 420fff42c0d..853b2b279b6 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2369,6 +2369,8 @@ static struct usb_device_id rt73usb_device_table[] = { /* Buffalo */ { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) }, /* CNet */ { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) }, diff --git a/drivers/net/wireless/rtl818x/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187.h index 9718f61809c..edeff82a4d0 100644 --- a/drivers/net/wireless/rtl818x/rtl8187.h +++ b/drivers/net/wireless/rtl818x/rtl8187.h @@ -120,6 +120,12 @@ struct rtl8187_priv { __le64 buf; struct sk_buff_head queue; } b_tx_status; /* This queue is used by both -b and non-b devices */ + struct mutex io_mutex; + union { + u8 bits8; + __le16 bits16; + __le32 bits32; + } *io_dmabuf; }; void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data); @@ -129,10 +135,14 @@ static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv, { u8 val; + mutex_lock(&priv->io_mutex); usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), RTL8187_REQ_GET_REG, RTL8187_REQT_READ, - (unsigned long)addr, idx & 0x03, &val, - sizeof(val), HZ / 2); + (unsigned long)addr, idx & 0x03, + &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); + + val = priv->io_dmabuf->bits8; + mutex_unlock(&priv->io_mutex); return val; } @@ -147,10 +157,14 @@ static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv, { __le16 val; + mutex_lock(&priv->io_mutex); usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), RTL8187_REQ_GET_REG, RTL8187_REQT_READ, - (unsigned long)addr, idx & 0x03, &val, - sizeof(val), HZ / 2); + (unsigned long)addr, idx & 0x03, + &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); + + val = priv->io_dmabuf->bits16; + mutex_unlock(&priv->io_mutex); return le16_to_cpu(val); } @@ -165,10 +179,14 @@ static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv, { __le32 val; + mutex_lock(&priv->io_mutex); usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), RTL8187_REQ_GET_REG, RTL8187_REQT_READ, - (unsigned long)addr, idx & 0x03, &val, - sizeof(val), HZ / 2); + (unsigned long)addr, idx & 0x03, + &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); + + val = priv->io_dmabuf->bits32; + mutex_unlock(&priv->io_mutex); return le32_to_cpu(val); } @@ -181,10 +199,15 @@ static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr) static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv, u8 *addr, u8 val, u8 idx) { + mutex_lock(&priv->io_mutex); + + priv->io_dmabuf->bits8 = val; usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - (unsigned long)addr, idx & 0x03, &val, - sizeof(val), HZ / 2); + (unsigned long)addr, idx & 0x03, + &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); + + mutex_unlock(&priv->io_mutex); } static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val) @@ -195,12 +218,15 @@ static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val) static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv, __le16 *addr, u16 val, u8 idx) { - __le16 buf = cpu_to_le16(val); + mutex_lock(&priv->io_mutex); + priv->io_dmabuf->bits16 = cpu_to_le16(val); usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - (unsigned long)addr, idx & 0x03, &buf, sizeof(buf), - HZ / 2); + (unsigned long)addr, idx & 0x03, + &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); + + mutex_unlock(&priv->io_mutex); } static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr, @@ -212,12 +238,15 @@ static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr, static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv, __le32 *addr, u32 val, u8 idx) { - __le32 buf = cpu_to_le32(val); + mutex_lock(&priv->io_mutex); + priv->io_dmabuf->bits32 = cpu_to_le32(val); usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - (unsigned long)addr, idx & 0x03, &buf, sizeof(buf), - HZ / 2); + (unsigned long)addr, idx & 0x03, + &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); + + mutex_unlock(&priv->io_mutex); } static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr, diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c index fd81884b9c7..d51ba0a88c2 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c @@ -71,6 +71,8 @@ static struct usb_device_id rtl8187_table[] __devinitdata = { {USB_DEVICE(0x18E8, 0x6232), .driver_info = DEVICE_RTL8187}, /* AirLive */ {USB_DEVICE(0x1b75, 0x8187), .driver_info = DEVICE_RTL8187}, + /* Linksys */ + {USB_DEVICE(0x1737, 0x0073), .driver_info = DEVICE_RTL8187B}, {} }; @@ -1329,6 +1331,14 @@ static int __devinit rtl8187_probe(struct usb_interface *intf, priv = dev->priv; priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B); + /* allocate "DMA aware" buffer for register accesses */ + priv->io_dmabuf = kmalloc(sizeof(*priv->io_dmabuf), GFP_KERNEL); + if (!priv->io_dmabuf) { + err = -ENOMEM; + goto err_free_dev; + } + mutex_init(&priv->io_mutex); + SET_IEEE80211_DEV(dev, &intf->dev); usb_set_intfdata(intf, dev); priv->udev = udev; @@ -1495,7 +1505,7 @@ static int __devinit rtl8187_probe(struct usb_interface *intf, err = ieee80211_register_hw(dev); if (err) { printk(KERN_ERR "rtl8187: Cannot register device\n"); - goto err_free_dev; + goto err_free_dmabuf; } mutex_init(&priv->conf_mutex); skb_queue_head_init(&priv->b_tx_status.queue); @@ -1506,6 +1516,8 @@ static int __devinit rtl8187_probe(struct usb_interface *intf, return 0; + err_free_dmabuf: + kfree(priv->io_dmabuf); err_free_dev: ieee80211_free_hw(dev); usb_set_intfdata(intf, NULL); @@ -1526,6 +1538,7 @@ static void __devexit rtl8187_disconnect(struct usb_interface *intf) priv = dev->priv; usb_reset_device(priv->udev); usb_put_dev(interface_to_usbdev(intf)); + kfree(priv->io_dmabuf); ieee80211_free_hw(dev); } diff --git a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c index 78df281b297..a09819386a1 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c +++ b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c @@ -88,9 +88,15 @@ static void rtl8225_write_8051(struct ieee80211_hw *dev, u8 addr, __le16 data) rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80); udelay(10); + mutex_lock(&priv->io_mutex); + + priv->io_dmabuf->bits16 = data; usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - addr, 0x8225, &data, sizeof(data), HZ / 2); + addr, 0x8225, &priv->io_dmabuf->bits16, sizeof(data), + HZ / 2); + + mutex_unlock(&priv->io_mutex); rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2)); udelay(10); diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index f0e99d4c066..242257b1944 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -78,16 +78,20 @@ void free_cpu_buffers(void) op_ring_buffer_write = NULL; } +#define RB_EVENT_HDR_SIZE 4 + int alloc_cpu_buffers(void) { int i; unsigned long buffer_size = oprofile_cpu_buffer_size; + unsigned long byte_size = buffer_size * (sizeof(struct op_sample) + + RB_EVENT_HDR_SIZE); - op_ring_buffer_read = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS); + op_ring_buffer_read = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS); if (!op_ring_buffer_read) goto fail; - op_ring_buffer_write = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS); + op_ring_buffer_write = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS); if (!op_ring_buffer_write) goto fail; diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c index e6a7e847ee8..ea31a452b15 100644 --- a/drivers/parport/parport_gsc.c +++ b/drivers/parport/parport_gsc.c @@ -352,8 +352,8 @@ static int __devinit parport_init_chip(struct parisc_device *dev) unsigned long port; if (!dev->irq) { - printk(KERN_WARNING "IRQ not found for parallel device at 0x%lx\n", - dev->hpa.start); + printk(KERN_WARNING "IRQ not found for parallel device at 0x%llx\n", + (unsigned long long)dev->hpa.start); return -ENODEV; } diff --git a/drivers/parport/share.c b/drivers/parport/share.c index 0ebca450ed2..dffa5d4fb29 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -614,7 +614,10 @@ parport_register_device(struct parport *port, const char *name, * pardevice fields. -arca */ port->ops->init_state(tmp, tmp->state); - parport_device_proc_register(tmp); + if (!test_and_set_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags)) { + port->proc_device = tmp; + parport_device_proc_register(tmp); + } return tmp; out_free_all: @@ -646,10 +649,14 @@ void parport_unregister_device(struct pardevice *dev) } #endif - parport_device_proc_unregister(dev); - port = dev->port->physport; + if (port->proc_device == dev) { + port->proc_device = NULL; + clear_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags); + parport_device_proc_unregister(dev); + } + if (port->cad == dev) { printk(KERN_DEBUG "%s: %s forgot to release port\n", port->name, dev->name); diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 64dd7df90e6..0f370651268 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -87,8 +87,8 @@ EXPORT_SYMBOL(pci_read_vpd); * pci_write_vpd - Write entry to Vital Product Data * @dev: pci device struct * @pos: offset in vpd space - * @count: number of bytes to read - * @val: value to write + * @count: number of bytes to write + * @buf: buffer containing write data * */ ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void *buf) diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index 4fc168b7009..e68d5f20ffb 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -129,7 +129,6 @@ struct acpiphp_func { struct acpiphp_bridge *bridge; /* Ejectable PCI-to-PCI bridge */ struct list_head sibling; - struct pci_dev *pci_dev; struct notifier_block nb; acpi_handle handle; diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index a33794d9e0d..3a6064bce56 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -32,9 +32,6 @@ /* * Lifetime rules for pci_dev: - * - The one in acpiphp_func has its refcount elevated by pci_get_slot() - * when the driver is loaded or when an insertion event occurs. It loses - * a refcount when its ejected or the driver unloads. * - The one in acpiphp_bridge has its refcount elevated by pci_get_slot() * when the bridge is scanned and it loses a refcount when the bridge * is removed. @@ -130,6 +127,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) unsigned long long adr, sun; int device, function, retval; struct pci_bus *pbus = bridge->pci_bus; + struct pci_dev *pdev; if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle)) return AE_OK; @@ -213,10 +211,10 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) newfunc->slot = slot; list_add_tail(&newfunc->sibling, &slot->funcs); - /* associate corresponding pci_dev */ - newfunc->pci_dev = pci_get_slot(pbus, PCI_DEVFN(device, function)); - if (newfunc->pci_dev) { + pdev = pci_get_slot(pbus, PCI_DEVFN(device, function)); + if (pdev) { slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON); + pci_dev_put(pdev); } if (is_dock_device(handle)) { @@ -617,7 +615,6 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge) if (ACPI_FAILURE(status)) err("failed to remove notify handler\n"); } - pci_dev_put(func->pci_dev); list_del(list); kfree(func); } @@ -1101,22 +1098,24 @@ static int __ref enable_device(struct acpiphp_slot *slot) pci_enable_bridges(bus); pci_bus_add_devices(bus); - /* associate pci_dev to our representation */ list_for_each (l, &slot->funcs) { func = list_entry(l, struct acpiphp_func, sibling); - func->pci_dev = pci_get_slot(bus, PCI_DEVFN(slot->device, - func->function)); - if (!func->pci_dev) + dev = pci_get_slot(bus, PCI_DEVFN(slot->device, + func->function)); + if (!dev) continue; - if (func->pci_dev->hdr_type != PCI_HEADER_TYPE_BRIDGE && - func->pci_dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) + if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE && + dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) { + pci_dev_put(dev); continue; + } status = find_p2p_bridge(func->handle, (u32)1, bus, NULL); if (ACPI_FAILURE(status)) warn("find_p2p_bridge failed (error code = 0x%x)\n", status); + pci_dev_put(dev); } slot->flags |= SLOT_ENABLED; @@ -1142,17 +1141,14 @@ static void disable_bridges(struct pci_bus *bus) */ static int disable_device(struct acpiphp_slot *slot) { - int retval = 0; struct acpiphp_func *func; - struct list_head *l; + struct pci_dev *pdev; /* is this slot already disabled? */ if (!(slot->flags & SLOT_ENABLED)) goto err_exit; - list_for_each (l, &slot->funcs) { - func = list_entry(l, struct acpiphp_func, sibling); - + list_for_each_entry(func, &slot->funcs, sibling) { if (func->bridge) { /* cleanup p2p bridges under this P2P bridge */ cleanup_p2p_bridge(func->bridge->handle, @@ -1160,35 +1156,28 @@ static int disable_device(struct acpiphp_slot *slot) func->bridge = NULL; } - if (func->pci_dev) { - pci_stop_bus_device(func->pci_dev); - if (func->pci_dev->subordinate) { - disable_bridges(func->pci_dev->subordinate); - pci_disable_device(func->pci_dev); + pdev = pci_get_slot(slot->bridge->pci_bus, + PCI_DEVFN(slot->device, func->function)); + if (pdev) { + pci_stop_bus_device(pdev); + if (pdev->subordinate) { + disable_bridges(pdev->subordinate); + pci_disable_device(pdev); } + pci_remove_bus_device(pdev); + pci_dev_put(pdev); } } - list_for_each (l, &slot->funcs) { - func = list_entry(l, struct acpiphp_func, sibling); - + list_for_each_entry(func, &slot->funcs, sibling) { acpiphp_unconfigure_ioapics(func->handle); acpiphp_bus_trim(func->handle); - /* try to remove anyway. - * acpiphp_bus_add might have been failed */ - - if (!func->pci_dev) - continue; - - pci_remove_bus_device(func->pci_dev); - pci_dev_put(func->pci_dev); - func->pci_dev = NULL; } slot->flags &= (~SLOT_ENABLED); - err_exit: - return retval; +err_exit: + return 0; } diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index bf7d6ce9bbb..6808d8333ec 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -158,6 +158,7 @@ int ht_create_irq(struct pci_dev *dev, int idx) /** * ht_destroy_irq - destroy an irq created with ht_create_irq + * @irq: irq to be destroyed * * This reverses ht_create_irq removing the specified irq from * existence. The irq should be free before this happens. diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 001b328adf8..a563fbe559d 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -59,6 +59,10 @@ #define DMA_32BIT_PFN IOVA_PFN(DMA_BIT_MASK(32)) #define DMA_64BIT_PFN IOVA_PFN(DMA_BIT_MASK(64)) +#ifndef PHYSICAL_PAGE_MASK +#define PHYSICAL_PAGE_MASK PAGE_MASK +#endif + /* global iommu list, set NULL for ignored DMAR units */ static struct intel_iommu **g_iommus; @@ -1216,7 +1220,7 @@ static void dmar_init_reserved_ranges(void) if (!r->flags || !(r->flags & IORESOURCE_MEM)) continue; addr = r->start; - addr &= PAGE_MASK; + addr &= PHYSICAL_PAGE_MASK; size = r->end - addr; size = PAGE_ALIGN(size); iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr), @@ -2173,7 +2177,8 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, * is not a big problem */ ret = domain_page_mapping(domain, start_paddr, - ((u64)paddr) & PAGE_MASK, size, prot); + ((u64)paddr) & PHYSICAL_PAGE_MASK, + size, prot); if (ret) goto error; @@ -2463,8 +2468,8 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne addr = page_to_phys(sg_page(sg)) + sg->offset; size = aligned_size((u64)addr, sg->length); ret = domain_page_mapping(domain, start_addr + offset, - ((u64)addr) & PAGE_MASK, - size, prot); + ((u64)addr) & PHYSICAL_PAGE_MASK, + size, prot); if (ret) { /* clear the page */ dma_pte_clear_range(domain, start_addr, diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 6f2e6295e77..362773247fb 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -455,8 +455,6 @@ static int msix_capability_init(struct pci_dev *dev, entry->msi_attrib.default_irq = dev->irq; entry->msi_attrib.pos = pos; entry->mask_base = base; - entry->masked = readl(base + j * PCI_MSIX_ENTRY_SIZE + - PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET); msix_mask_irq(entry, 1); list_add_tail(&entry->list, &dev->msi_list); @@ -493,6 +491,12 @@ static int msix_capability_init(struct pci_dev *dev, msix_set_enable(dev, 1); dev->msix_enabled = 1; + list_for_each_entry(entry, &dev->msi_list, list) { + int vector = entry->msi_attrib.entry_nr; + entry->masked = readl(base + vector * PCI_MSIX_ENTRY_SIZE + + PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET); + } + return 0; } diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index a7eb1b46a5a..85ebd02a64a 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -492,6 +492,7 @@ write_vpd_attr(struct kobject *kobj, struct bin_attribute *bin_attr, /** * pci_read_legacy_io - read byte(s) from legacy I/O port space * @kobj: kobject corresponding to file to read from + * @bin_attr: struct bin_attribute for this file * @buf: buffer to store results * @off: offset into legacy I/O port space * @count: number of bytes to read @@ -517,6 +518,7 @@ pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr, /** * pci_write_legacy_io - write byte(s) to legacy I/O port space * @kobj: kobject corresponding to file to read from + * @bin_attr: struct bin_attribute for this file * @buf: buffer containing value to be written * @off: offset into legacy I/O port space * @count: number of bytes to write @@ -733,9 +735,9 @@ pci_mmap_resource_wc(struct kobject *kobj, struct bin_attribute *attr, /** * pci_remove_resource_files - cleanup resource files - * @dev: dev to cleanup + * @pdev: dev to cleanup * - * If we created resource files for @dev, remove them from sysfs and + * If we created resource files for @pdev, remove them from sysfs and * free their resources. */ static void @@ -793,9 +795,9 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) /** * pci_create_resource_files - create resource files in sysfs for @dev - * @dev: dev in question + * @pdev: dev in question * - * Walk the resources in @dev creating files for each resource available. + * Walk the resources in @pdev creating files for each resource available. */ static int pci_create_resource_files(struct pci_dev *pdev) { @@ -829,6 +831,7 @@ void __weak pci_remove_resource_files(struct pci_dev *dev) { return; } /** * pci_write_rom - used to enable access to the PCI ROM display * @kobj: kernel object handle + * @bin_attr: struct bin_attribute for this file * @buf: user input * @off: file offset * @count: number of byte in input @@ -852,6 +855,7 @@ pci_write_rom(struct kobject *kobj, struct bin_attribute *bin_attr, /** * pci_read_rom - read a PCI ROM * @kobj: kernel object handle + * @bin_attr: struct bin_attribute for this file * @buf: where to put the data we read from the ROM * @off: file offset * @count: number of bytes to read diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 16fd0d4c316..1a91bf9687a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -557,7 +557,8 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state) } else { error = -ENODEV; /* Fall back to PCI_D0 if native PM is not supported */ - pci_update_current_state(dev, PCI_D0); + if (!dev->pm_cap) + dev->current_state = PCI_D0; } return error; @@ -681,11 +682,34 @@ EXPORT_SYMBOL(pci_choose_state); #define PCI_EXP_SAVE_REGS 7 +#define pcie_cap_has_devctl(type, flags) 1 +#define pcie_cap_has_lnkctl(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1 || \ + (type == PCI_EXP_TYPE_ROOT_PORT || \ + type == PCI_EXP_TYPE_ENDPOINT || \ + type == PCI_EXP_TYPE_LEG_END)) +#define pcie_cap_has_sltctl(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1 || \ + ((type == PCI_EXP_TYPE_ROOT_PORT) || \ + (type == PCI_EXP_TYPE_DOWNSTREAM && \ + (flags & PCI_EXP_FLAGS_SLOT)))) +#define pcie_cap_has_rtctl(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1 || \ + (type == PCI_EXP_TYPE_ROOT_PORT || \ + type == PCI_EXP_TYPE_RC_EC)) +#define pcie_cap_has_devctl2(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1) +#define pcie_cap_has_lnkctl2(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1) +#define pcie_cap_has_sltctl2(type, flags) \ + ((flags & PCI_EXP_FLAGS_VERS) > 1) + static int pci_save_pcie_state(struct pci_dev *dev) { int pos, i = 0; struct pci_cap_saved_state *save_state; u16 *cap; + u16 flags; pos = pci_find_capability(dev, PCI_CAP_ID_EXP); if (pos <= 0) @@ -698,13 +722,22 @@ static int pci_save_pcie_state(struct pci_dev *dev) } cap = (u16 *)&save_state->data[0]; - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_LNKCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_SLTCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_RTCTL, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_LNKCTL2, &cap[i++]); - pci_read_config_word(dev, pos + PCI_EXP_SLTCTL2, &cap[i++]); + pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &flags); + + if (pcie_cap_has_devctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &cap[i++]); + if (pcie_cap_has_lnkctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_LNKCTL, &cap[i++]); + if (pcie_cap_has_sltctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_SLTCTL, &cap[i++]); + if (pcie_cap_has_rtctl(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_RTCTL, &cap[i++]); + if (pcie_cap_has_devctl2(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &cap[i++]); + if (pcie_cap_has_lnkctl2(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_LNKCTL2, &cap[i++]); + if (pcie_cap_has_sltctl2(dev->pcie_type, flags)) + pci_read_config_word(dev, pos + PCI_EXP_SLTCTL2, &cap[i++]); return 0; } @@ -714,6 +747,7 @@ static void pci_restore_pcie_state(struct pci_dev *dev) int i = 0, pos; struct pci_cap_saved_state *save_state; u16 *cap; + u16 flags; save_state = pci_find_saved_cap(dev, PCI_CAP_ID_EXP); pos = pci_find_capability(dev, PCI_CAP_ID_EXP); @@ -721,13 +755,22 @@ static void pci_restore_pcie_state(struct pci_dev *dev) return; cap = (u16 *)&save_state->data[0]; - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_LNKCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_SLTCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_RTCTL, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_LNKCTL2, cap[i++]); - pci_write_config_word(dev, pos + PCI_EXP_SLTCTL2, cap[i++]); + pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &flags); + + if (pcie_cap_has_devctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, cap[i++]); + if (pcie_cap_has_lnkctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_LNKCTL, cap[i++]); + if (pcie_cap_has_sltctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_SLTCTL, cap[i++]); + if (pcie_cap_has_rtctl(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_RTCTL, cap[i++]); + if (pcie_cap_has_devctl2(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, cap[i++]); + if (pcie_cap_has_lnkctl2(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_LNKCTL2, cap[i++]); + if (pcie_cap_has_sltctl2(dev->pcie_type, flags)) + pci_write_config_word(dev, pos + PCI_EXP_SLTCTL2, cap[i++]); } diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h index c7ad68b6c6d..aa14482a477 100644 --- a/drivers/pci/pcie/aer/aerdrv.h +++ b/drivers/pci/pcie/aer/aerdrv.h @@ -95,6 +95,9 @@ struct aer_broadcast_data { static inline pci_ers_result_t merge_result(enum pci_ers_result orig, enum pci_ers_result new) { + if (new == PCI_ERS_RESULT_NONE) + return orig; + switch (orig) { case PCI_ERS_RESULT_CAN_RECOVER: case PCI_ERS_RESULT_RECOVERED: diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index b924e2463f8..091ce70051e 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -200,7 +200,7 @@ static int slot_reset_iter(struct device *device, void *data) static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev) { - pci_ers_result_t status = PCI_ERS_RESULT_NONE; + pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED; int retval; /* If fatal, restore cfg space for possible link reset at upstream */ diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8eb50dffb78..f1ae2475fff 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -745,6 +745,8 @@ int pci_setup_device(struct pci_dev *dev) /* Early fixups, before probing the BARs */ pci_fixup_device(pci_fixup_early, dev); + /* device class may be changed after fixup */ + class = dev->class >> 8; switch (dev->hdr_type) { /* header type */ case PCI_HEADER_TYPE_NORMAL: /* standard header */ @@ -1118,10 +1120,6 @@ unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus) return max; } -void __attribute__((weak)) set_pci_bus_resources_arch_default(struct pci_bus *b) -{ -} - struct pci_bus * pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata) { @@ -1180,8 +1178,6 @@ struct pci_bus * pci_create_bus(struct device *parent, b->resource[0] = &ioport_resource; b->resource[1] = &iomem_resource; - set_pci_bus_resources_arch_default(b); - return b; dev_create_file_err: diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0254741bece..3067673d54f 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2033,6 +2033,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_di DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disable_all_msi); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3336, quirk_disable_all_msi); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3364, quirk_disable_all_msi); /* Disable MSI on chipsets that are known to not support it */ static void __devinit quirk_disable_msi(struct pci_dev *dev) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 8d9da9d30a6..a00f85471b6 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -536,11 +536,13 @@ static void pci_bus_dump_res(struct pci_bus *bus) for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { struct resource *res = bus->resource[i]; - if (!res) + if (!res || !res->end) continue; dev_printk(KERN_DEBUG, &bus->dev, "resource %d %s %pR\n", i, - (res->flags & IORESOURCE_IO) ? "io: " : "mem:", res); + (res->flags & IORESOURCE_IO) ? "io: " : + ((res->flags & IORESOURCE_PREFETCH)? "pref mem":"mem:"), + res); } } diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index 21189447e54..fe95ce20bcb 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c @@ -264,8 +264,8 @@ EXPORT_SYMBOL_GPL(pci_create_slot); /** * pci_renumber_slot - update %struct pci_slot -> number - * @slot - %struct pci_slot to update - * @slot_nr - new number for slot + * @slot: &struct pci_slot to update + * @slot_nr: new number for slot * * The primary purpose of this interface is to allow callers who earlier * created a placeholder slot in pci_create_slot() by passing a -1 as diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index 1cd02f5a23a..bc43f78f6f0 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -255,6 +255,9 @@ static int __init sharpsl_pcmcia_init(void) { int ret; + if (!platform_scoop_config) + return -ENODEV; + sharpsl_pcmcia_ops.nr = platform_scoop_config->num_devs; sharpsl_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index eeafc6c0160..bfc1a8892a3 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -269,16 +269,16 @@ static struct key_entry asus_keymap[] = { {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, {KE_KEY, 0x40, KEY_PREVIOUSSONG}, {KE_KEY, 0x41, KEY_NEXTSONG}, - {KE_KEY, 0x43, KEY_STOP}, + {KE_KEY, 0x43, KEY_STOPCD}, {KE_KEY, 0x45, KEY_PLAYPAUSE}, {KE_KEY, 0x50, KEY_EMAIL}, {KE_KEY, 0x51, KEY_WWW}, - {KE_KEY, 0x5C, BTN_EXTRA}, /* Performance */ + {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ {KE_KEY, 0x5D, KEY_WLAN}, {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, {KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */ {KE_KEY, 0x82, KEY_CAMERA}, - {KE_KEY, 0x8A, KEY_TV}, + {KE_KEY, 0x8A, KEY_PROG1}, {KE_KEY, 0x95, KEY_MEDIA}, {KE_KEY, 0x99, KEY_PHONE}, {KE_END, 0}, diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 6f54fd1757c..353a898c369 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -158,6 +158,7 @@ enum { KE_KEY, KE_END }; static struct key_entry eeepc_keymap[] = { /* Sleep already handled via generic ACPI code */ {KE_KEY, 0x10, KEY_WLAN }, + {KE_KEY, 0x11, KEY_WLAN }, {KE_KEY, 0x12, KEY_PROG1 }, {KE_KEY, 0x13, KEY_MUTE }, {KE_KEY, 0x14, KEY_VOLUMEDOWN }, @@ -166,6 +167,8 @@ static struct key_entry eeepc_keymap[] = { {KE_KEY, 0x1b, KEY_ZOOM }, {KE_KEY, 0x1c, KEY_PROG2 }, {KE_KEY, 0x1d, KEY_PROG3 }, + {KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN }, + {KE_KEY, NOTIFY_BRN_MIN + 2, KEY_BRIGHTNESSUP }, {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE }, {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE }, {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE }, @@ -381,11 +384,13 @@ static ssize_t show_sys_acpi(int cm, char *buf) EEEPC_CREATE_DEVICE_ATTR(camera, CM_ASL_CAMERA); EEEPC_CREATE_DEVICE_ATTR(cardr, CM_ASL_CARDREADER); EEEPC_CREATE_DEVICE_ATTR(disp, CM_ASL_DISPLAYSWITCH); +EEEPC_CREATE_DEVICE_ATTR(cpufv, CM_ASL_CPUFV); static struct attribute *platform_attributes[] = { &dev_attr_camera.attr, &dev_attr_cardr.attr, &dev_attr_disp.attr, + &dev_attr_cpufv.attr, NULL }; @@ -512,15 +517,21 @@ static int eeepc_hotk_check(void) return 0; } -static void notify_brn(void) +static int notify_brn(void) { + /* returns the *previous* brightness, or -1 */ struct backlight_device *bd = eeepc_backlight_device; - if (bd) + if (bd) { + int old = bd->props.brightness; bd->props.brightness = read_brightness(bd); + return old; + } + return -1; } static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) { + enum rfkill_state state; struct pci_dev *dev; struct pci_bus *bus = pci_find_bus(0, 1); @@ -532,7 +543,9 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) return; } - if (get_acpi(CM_ASL_WLAN) == 1) { + eeepc_wlan_rfkill_state(ehotk->eeepc_wlan_rfkill, &state); + + if (state == RFKILL_STATE_UNBLOCKED) { dev = pci_get_slot(bus, 0); if (dev) { /* Device already present */ @@ -552,23 +565,41 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) pci_dev_put(dev); } } + + rfkill_force_state(ehotk->eeepc_wlan_rfkill, state); } static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) { static struct key_entry *key; u16 count; + int brn = -ENODEV; if (!ehotk) return; if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) - notify_brn(); + brn = notify_brn(); count = ehotk->event_count[event % 128]++; acpi_bus_generate_proc_event(ehotk->device, event, count); acpi_bus_generate_netlink_event(ehotk->device->pnp.device_class, dev_name(&ehotk->device->dev), event, count); if (ehotk->inputdev) { + if (brn != -ENODEV) { + /* brightness-change events need special + * handling for conversion to key events + */ + if (brn < 0) + brn = event; + else + brn += NOTIFY_BRN_MIN; + if (event < brn) + event = NOTIFY_BRN_MIN; /* brightness down */ + else if (event > brn) + event = NOTIFY_BRN_MIN + 2; /* ... up */ + else + event = NOTIFY_BRN_MIN + 1; /* ... unchanged */ + } key = eepc_get_entry_by_scancode(event); if (key) { switch (key->type) { @@ -649,6 +680,9 @@ static int eeepc_hotk_add(struct acpi_device *device) if (ACPI_FAILURE(status)) printk(EEEPC_ERR "Error installing notify handler\n"); + eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6"); + eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7"); + if (get_acpi(CM_ASL_WLAN) != -1) { ehotk->eeepc_wlan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN); @@ -704,9 +738,6 @@ static int eeepc_hotk_add(struct acpi_device *device) goto bluetooth_fail; } - eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6"); - eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7"); - return 0; bluetooth_fail: @@ -717,6 +748,8 @@ static int eeepc_hotk_add(struct acpi_device *device) wlan_fail: if (ehotk->eeepc_wlan_rfkill) rfkill_free(ehotk->eeepc_wlan_rfkill); + eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6"); + eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7"); ehotk_fail: kfree(ehotk); ehotk = NULL; diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index d3c92d777bd..552958545f9 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -317,7 +317,8 @@ static void sony_laptop_report_input_event(u8 event) struct input_dev *key_dev = sony_laptop_input.key_dev; struct sony_laptop_keypress kp = { NULL }; - if (event == SONYPI_EVENT_FNKEY_RELEASED) { + if (event == SONYPI_EVENT_FNKEY_RELEASED || + event == SONYPI_EVENT_ANYBUTTON_RELEASED) { /* Nothing, not all VAIOs generate this event */ return; } @@ -905,7 +906,6 @@ static struct sony_nc_event sony_127_events[] = { { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x86, SONYPI_EVENT_PKEY_P5 }, { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, - { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0, 0 }, @@ -1004,6 +1004,7 @@ static int sony_nc_function_setup(struct acpi_device *device) sony_call_snc_handle(0x0100, 0, &result); sony_call_snc_handle(0x0101, 0, &result); sony_call_snc_handle(0x0102, 0x100, &result); + sony_call_snc_handle(0x0127, 0, &result); return 0; } @@ -1040,7 +1041,7 @@ static int sony_nc_resume(struct acpi_device *device) /* set the last requested brightness level */ if (sony_backlight_device && - !sony_backlight_update_status(sony_backlight_device)) + sony_backlight_update_status(sony_backlight_device) < 0) printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); return 0; @@ -1102,8 +1103,11 @@ static int sony_nc_setup_wifi_rfkill(struct acpi_device *device) err = rfkill_register(sony_wifi_rfkill); if (err) rfkill_free(sony_wifi_rfkill); - else + else { sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill; + sony_nc_rfkill_set(sony_wifi_rfkill->data, + RFKILL_STATE_UNBLOCKED); + } return err; } @@ -1124,8 +1128,11 @@ static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device) err = rfkill_register(sony_bluetooth_rfkill); if (err) rfkill_free(sony_bluetooth_rfkill); - else + else { sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill; + sony_nc_rfkill_set(sony_bluetooth_rfkill->data, + RFKILL_STATE_UNBLOCKED); + } return err; } @@ -1145,8 +1152,11 @@ static int sony_nc_setup_wwan_rfkill(struct acpi_device *device) err = rfkill_register(sony_wwan_rfkill); if (err) rfkill_free(sony_wwan_rfkill); - else + else { sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill; + sony_nc_rfkill_set(sony_wwan_rfkill->data, + RFKILL_STATE_UNBLOCKED); + } return err; } @@ -1166,8 +1176,11 @@ static int sony_nc_setup_wimax_rfkill(struct acpi_device *device) err = rfkill_register(sony_wimax_rfkill); if (err) rfkill_free(sony_wimax_rfkill); - else + else { sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill; + sony_nc_rfkill_set(sony_wimax_rfkill->data, + RFKILL_STATE_UNBLOCKED); + } return err; } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index a40b075743d..912be65b626 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -21,7 +21,7 @@ * 02110-1301, USA. */ -#define TPACPI_VERSION "0.22" +#define TPACPI_VERSION "0.23" #define TPACPI_SYSFS_VERSION 0x020300 /* @@ -303,11 +303,17 @@ static u32 dbg_level; static struct workqueue_struct *tpacpi_wq; +enum led_status_t { + TPACPI_LED_OFF = 0, + TPACPI_LED_ON, + TPACPI_LED_BLINK, +}; + /* Special LED class that can defer work */ struct tpacpi_led_classdev { struct led_classdev led_classdev; struct work_struct work; - enum led_brightness new_brightness; + enum led_status_t new_state; unsigned int led; }; @@ -2946,12 +2952,18 @@ static int hotkey_read(char *p) return len; } -static void hotkey_enabledisable_warn(void) +static void hotkey_enabledisable_warn(bool enable) { tpacpi_log_usertask("procfs hotkey enable/disable"); - WARN(1, TPACPI_WARN - "hotkey enable/disable functionality has been " - "removed from the driver. Hotkeys are always enabled.\n"); + if (!WARN((tpacpi_lifecycle == TPACPI_LIFE_RUNNING || !enable), + TPACPI_WARN + "hotkey enable/disable functionality has been " + "removed from the driver. Hotkeys are always " + "enabled\n")) + printk(TPACPI_ERR + "Please remove the hotkey=enable module " + "parameter, it is deprecated. Hotkeys are always " + "enabled\n"); } static int hotkey_write(char *buf) @@ -2971,9 +2983,9 @@ static int hotkey_write(char *buf) res = 0; while ((cmd = next_cmd(&buf))) { if (strlencmp(cmd, "enable") == 0) { - hotkey_enabledisable_warn(); + hotkey_enabledisable_warn(1); } else if (strlencmp(cmd, "disable") == 0) { - hotkey_enabledisable_warn(); + hotkey_enabledisable_warn(0); res = -EPERM; } else if (strlencmp(cmd, "reset") == 0) { mask = hotkey_orig_mask; @@ -4207,7 +4219,7 @@ static void light_set_status_worker(struct work_struct *work) container_of(work, struct tpacpi_led_classdev, work); if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING)) - light_set_status((data->new_brightness != LED_OFF)); + light_set_status((data->new_state != TPACPI_LED_OFF)); } static void light_sysfs_set(struct led_classdev *led_cdev, @@ -4217,7 +4229,8 @@ static void light_sysfs_set(struct led_classdev *led_cdev, container_of(led_cdev, struct tpacpi_led_classdev, led_classdev); - data->new_brightness = brightness; + data->new_state = (brightness != LED_OFF) ? + TPACPI_LED_ON : TPACPI_LED_OFF; queue_work(tpacpi_wq, &data->work); } @@ -4724,12 +4737,6 @@ enum { /* For TPACPI_LED_OLD */ TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */ }; -enum led_status_t { - TPACPI_LED_OFF = 0, - TPACPI_LED_ON, - TPACPI_LED_BLINK, -}; - static enum led_access_mode led_supported; TPACPI_HANDLE(led, ec, "SLED", /* 570 */ @@ -4841,23 +4848,13 @@ static int led_set_status(const unsigned int led, return rc; } -static void led_sysfs_set_status(unsigned int led, - enum led_brightness brightness) -{ - led_set_status(led, - (brightness == LED_OFF) ? - TPACPI_LED_OFF : - (tpacpi_led_state_cache[led] == TPACPI_LED_BLINK) ? - TPACPI_LED_BLINK : TPACPI_LED_ON); -} - static void led_set_status_worker(struct work_struct *work) { struct tpacpi_led_classdev *data = container_of(work, struct tpacpi_led_classdev, work); if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING)) - led_sysfs_set_status(data->led, data->new_brightness); + led_set_status(data->led, data->new_state); } static void led_sysfs_set(struct led_classdev *led_cdev, @@ -4866,7 +4863,13 @@ static void led_sysfs_set(struct led_classdev *led_cdev, struct tpacpi_led_classdev *data = container_of(led_cdev, struct tpacpi_led_classdev, led_classdev); - data->new_brightness = brightness; + if (brightness == LED_OFF) + data->new_state = TPACPI_LED_OFF; + else if (tpacpi_led_state_cache[data->led] != TPACPI_LED_BLINK) + data->new_state = TPACPI_LED_ON; + else + data->new_state = TPACPI_LED_BLINK; + queue_work(tpacpi_wq, &data->work); } @@ -4884,7 +4887,7 @@ static int led_sysfs_blink_set(struct led_classdev *led_cdev, } else if ((*delay_on != 500) || (*delay_off != 500)) return -EINVAL; - data->new_brightness = TPACPI_LED_BLINK; + data->new_state = TPACPI_LED_BLINK; queue_work(tpacpi_wq, &data->work); return 0; @@ -7858,6 +7861,15 @@ static int __init thinkpad_acpi_module_init(void) MODULE_ALIAS(TPACPI_DRVR_SHORTNAME); /* + * This will autoload the driver in almost every ThinkPad + * in widespread use. + * + * Only _VERY_ old models, like the 240, 240x and 570 lack + * the HKEY event interface. + */ +MODULE_DEVICE_TABLE(acpi, ibm_htk_device_ids); + +/* * DMI matching for module autoloading * * See http://thinkwiki.org/wiki/List_of_DMI_IDs @@ -7869,18 +7881,13 @@ MODULE_ALIAS(TPACPI_DRVR_SHORTNAME); #define IBM_BIOS_MODULE_ALIAS(__type) \ MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW*") -/* Non-ancient thinkpads */ -MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*"); -MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*"); - /* Ancient thinkpad BIOSes have to be identified by * BIOS type or model number, and there are far less * BIOS types than model numbers... */ -IBM_BIOS_MODULE_ALIAS("I[BDHIMNOTWVYZ]"); -IBM_BIOS_MODULE_ALIAS("1[0368A-GIKM-PST]"); -IBM_BIOS_MODULE_ALIAS("K[UX-Z]"); +IBM_BIOS_MODULE_ALIAS("I[MU]"); /* 570, 570e */ -MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh"); +MODULE_AUTHOR("Borislav Deianov <borislav@users.sf.net>"); +MODULE_AUTHOR("Henrique de Moraes Holschuh <hmh@hmh.eng.br>"); MODULE_DESCRIPTION(TPACPI_DESC); MODULE_VERSION(TPACPI_VERSION); MODULE_LICENSE("GPL"); diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 9a3a682c698..9496494f340 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -110,11 +110,9 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev) /* acpi_unregister_gsi(pnp_irq(dev, 0)); */ ret = 0; - if (acpi_bus_power_manageable(handle)) { - ret = acpi_bus_set_power(handle, ACPI_STATE_D3); - if (ret) - return ret; - } + if (acpi_bus_power_manageable(handle)) + acpi_bus_set_power(handle, ACPI_STATE_D3); + /* continue even if acpi_bus_set_power() fails */ if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DIS", NULL, NULL))) ret = -ENODEV; return ret; diff --git a/drivers/regulator/bq24022.c b/drivers/regulator/bq24022.c index 7ecb820ceeb..d08cd9b66c6 100644 --- a/drivers/regulator/bq24022.c +++ b/drivers/regulator/bq24022.c @@ -61,8 +61,7 @@ static int bq24022_disable(struct regulator_dev *rdev) static int bq24022_is_enabled(struct regulator_dev *rdev) { - struct platform_device *pdev = rdev_get_drvdata(rdev); - struct bq24022_mach_info *pdata = pdev->dev.platform_data; + struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); return !gpio_get_value(pdata->gpio_nce); } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 01f7702a805..98c3a74e994 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -540,8 +540,8 @@ static void drms_uA_update(struct regulator_dev *rdev) err = regulator_check_drms(rdev); if (err < 0 || !rdev->desc->ops->get_optimum_mode || - !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode); - return; + !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode) + return; /* get output voltage */ output_uV = rdev->desc->ops->get_voltage(rdev); @@ -703,10 +703,13 @@ static int set_machine_constraints(struct regulator_dev *rdev, int cmin = constraints->min_uV; int cmax = constraints->max_uV; - /* it's safe to autoconfigure fixed-voltage supplies */ + /* it's safe to autoconfigure fixed-voltage supplies + and the constraints are used by list_voltage. */ if (count == 1 && !cmin) { - cmin = INT_MIN; + cmin = 1; cmax = INT_MAX; + constraints->min_uV = cmin; + constraints->max_uV = cmax; } /* voltage constraints are optional */ @@ -2001,8 +2004,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, if (regulator_desc->name == NULL || regulator_desc->ops == NULL) return ERR_PTR(-EINVAL); - if (!regulator_desc->type == REGULATOR_VOLTAGE && - !regulator_desc->type == REGULATOR_CURRENT) + if (regulator_desc->type != REGULATOR_VOLTAGE && + regulator_desc->type != REGULATOR_CURRENT) return ERR_PTR(-EINVAL); if (!init_data) @@ -2080,6 +2083,10 @@ out: scrub: device_unregister(&rdev->dev); + /* device core frees rdev */ + rdev = ERR_PTR(ret); + goto out; + clean: kfree(rdev); rdev = ERR_PTR(ret); diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c index 72b15495183..c6628f5a0af 100644 --- a/drivers/regulator/da903x.c +++ b/drivers/regulator/da903x.c @@ -497,7 +497,7 @@ static struct platform_driver da903x_regulator_driver = { .owner = THIS_MODULE, }, .probe = da903x_regulator_probe, - .remove = da903x_regulator_remove, + .remove = __devexit_p(da903x_regulator_remove), }; static int __init da903x_regulator_init(void) diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c index 3d08348584e..71403fa3ffa 100644 --- a/drivers/regulator/virtual.c +++ b/drivers/regulator/virtual.c @@ -230,13 +230,13 @@ static ssize_t set_mode(struct device *dev, struct device_attribute *attr, * sysfs_streq() doesn't need the \n's, but we add them so the strings * will be shared with show_mode(), above. */ - if (sysfs_streq(buf, "fast\n") == 0) + if (sysfs_streq(buf, "fast\n")) mode = REGULATOR_MODE_FAST; - else if (sysfs_streq(buf, "normal\n") == 0) + else if (sysfs_streq(buf, "normal\n")) mode = REGULATOR_MODE_NORMAL; - else if (sysfs_streq(buf, "idle\n") == 0) + else if (sysfs_streq(buf, "idle\n")) mode = REGULATOR_MODE_IDLE; - else if (sysfs_streq(buf, "standby\n") == 0) + else if (sysfs_streq(buf, "standby\n")) mode = REGULATOR_MODE_STANDBY; else { dev_err(dev, "Configuring invalid mode\n"); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index ffe34a12f44..4e9851fc174 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -573,7 +573,7 @@ config RTC_DRV_SA1100 config RTC_DRV_SH tristate "SuperH On-Chip RTC" - depends on RTC_CLASS && SUPERH + depends on RTC_CLASS && SUPERH && HAVE_CLK help Say Y here to enable support for the on-chip RTC found in most SuperH processors. diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index b6d35f50e40..23e10b6263d 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -797,17 +797,15 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) goto cleanup2; } - pr_info("%s: alarms up to one %s%s, %zd bytes nvram%s\n", - dev_name(&cmos_rtc.rtc->dev), - is_valid_irq(rtc_irq) - ? (cmos_rtc.mon_alrm - ? "year" - : (cmos_rtc.day_alrm - ? "month" : "day")) - : "no", - cmos_rtc.century ? ", y3k" : "", - nvram.size, - is_hpet_enabled() ? ", hpet irqs" : ""); + pr_info("%s: %s%s, %zd bytes nvram%s\n", + dev_name(&cmos_rtc.rtc->dev), + !is_valid_irq(rtc_irq) ? "no alarms" : + cmos_rtc.mon_alrm ? "alarms up to one year" : + cmos_rtc.day_alrm ? "alarms up to one month" : + "alarms up to one day", + cmos_rtc.century ? ", y3k" : "", + nvram.size, + is_hpet_enabled() ? ", hpet irqs" : ""); return 0; diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index 82615355215..aaf1f75fa29 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c @@ -102,7 +102,7 @@ static const struct rtc_class_ops pl030_ops = { .set_alarm = pl030_set_alarm, }; -static int pl030_probe(struct amba_device *dev, void *id) +static int pl030_probe(struct amba_device *dev, struct amba_id *id) { struct pl030_rtc *rtc; int ret; diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 333eec689d2..451fc13784d 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -127,7 +127,7 @@ static int pl031_remove(struct amba_device *adev) return 0; } -static int pl031_probe(struct amba_device *adev, void *id) +static int pl031_probe(struct amba_device *adev, struct amba_id *id) { int ret; struct pl031_local *ldata; diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 9b1ff12bf94..d7310adb715 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -1,7 +1,7 @@ /* * SuperH On-Chip RTC Support * - * Copyright (C) 2006, 2007, 2008 Paul Mundt + * Copyright (C) 2006 - 2009 Paul Mundt * Copyright (C) 2006 Jamie Lenehan * Copyright (C) 2008 Angelo Castello * @@ -25,10 +25,11 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <linux/log2.h> +#include <linux/clk.h> #include <asm/rtc.h> #define DRV_NAME "sh-rtc" -#define DRV_VERSION "0.2.1" +#define DRV_VERSION "0.2.2" #define RTC_REG(r) ((r) * rtc_reg_size) @@ -87,16 +88,17 @@ #define RCR2_START 0x01 /* Start bit */ struct sh_rtc { - void __iomem *regbase; - unsigned long regsize; - struct resource *res; - int alarm_irq; - int periodic_irq; - int carry_irq; - struct rtc_device *rtc_dev; - spinlock_t lock; - unsigned long capabilities; /* See asm-sh/rtc.h for cap bits */ - unsigned short periodic_freq; + void __iomem *regbase; + unsigned long regsize; + struct resource *res; + int alarm_irq; + int periodic_irq; + int carry_irq; + struct clk *clk; + struct rtc_device *rtc_dev; + spinlock_t lock; + unsigned long capabilities; /* See asm/rtc.h for cap bits */ + unsigned short periodic_freq; }; static int __sh_rtc_interrupt(struct sh_rtc *rtc) @@ -294,10 +296,10 @@ static inline void sh_rtc_setaie(struct device *dev, unsigned int enable) tmp = readb(rtc->regbase + RCR1); - if (!enable) - tmp &= ~RCR1_AIE; - else + if (enable) tmp |= RCR1_AIE; + else + tmp &= ~RCR1_AIE; writeb(tmp, rtc->regbase + RCR1); @@ -618,6 +620,7 @@ static int sh_rtc_irq_set_freq(struct device *dev, int freq) { if (!is_power_of_2(freq)) return -EINVAL; + return sh_rtc_ioctl(dev, RTC_IRQP_SET, freq); } @@ -637,7 +640,8 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) struct sh_rtc *rtc; struct resource *res; struct rtc_time r; - int ret; + char clk_name[6]; + int clk_id, ret; rtc = kzalloc(sizeof(struct sh_rtc), GFP_KERNEL); if (unlikely(!rtc)) @@ -652,6 +656,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "No IRQ resource\n"); goto err_badres; } + rtc->periodic_irq = ret; rtc->carry_irq = platform_get_irq(pdev, 1); rtc->alarm_irq = platform_get_irq(pdev, 2); @@ -663,7 +668,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) goto err_badres; } - rtc->regsize = res->end - res->start + 1; + rtc->regsize = resource_size(res); rtc->res = request_mem_region(res->start, rtc->regsize, pdev->name); if (unlikely(!rtc->res)) { @@ -677,6 +682,26 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) goto err_badmap; } + clk_id = pdev->id; + /* With a single device, the clock id is still "rtc0" */ + if (clk_id < 0) + clk_id = 0; + + snprintf(clk_name, sizeof(clk_name), "rtc%d", clk_id); + + rtc->clk = clk_get(&pdev->dev, clk_name); + if (IS_ERR(rtc->clk)) { + /* + * No error handling for rtc->clk intentionally, not all + * platforms will have a unique clock for the RTC, and + * the clk API can handle the struct clk pointer being + * NULL. + */ + rtc->clk = NULL; + } + + clk_enable(rtc->clk); + rtc->rtc_dev = rtc_device_register("sh", &pdev->dev, &sh_rtc_ops, THIS_MODULE); if (IS_ERR(rtc->rtc_dev)) { @@ -759,6 +784,8 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) return 0; err_unmap: + clk_disable(rtc->clk); + clk_put(rtc->clk); iounmap(rtc->regbase); err_badmap: release_resource(rtc->res); @@ -780,6 +807,7 @@ static int __devexit sh_rtc_remove(struct platform_device *pdev) sh_rtc_setcie(&pdev->dev, 0); free_irq(rtc->periodic_irq, rtc); + if (rtc->carry_irq > 0) { free_irq(rtc->carry_irq, rtc); free_irq(rtc->alarm_irq, rtc); @@ -789,6 +817,9 @@ static int __devexit sh_rtc_remove(struct platform_device *pdev) iounmap(rtc->regbase); + clk_disable(rtc->clk); + clk_put(rtc->clk); + platform_set_drvdata(pdev, NULL); kfree(rtc); @@ -802,11 +833,11 @@ static void sh_rtc_set_irq_wake(struct device *dev, int enabled) struct sh_rtc *rtc = platform_get_drvdata(pdev); set_irq_wake(rtc->periodic_irq, enabled); + if (rtc->carry_irq > 0) { set_irq_wake(rtc->carry_irq, enabled); set_irq_wake(rtc->alarm_irq, enabled); } - } static int sh_rtc_suspend(struct device *dev) diff --git a/drivers/rtc/rtc-twl4030.c b/drivers/rtc/rtc-twl4030.c index a6341e4f9a0..9c8c70c497d 100644 --- a/drivers/rtc/rtc-twl4030.c +++ b/drivers/rtc/rtc-twl4030.c @@ -495,9 +495,7 @@ static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state) { irqstat = rtc_irq_bits; - /* REVISIT alarm may need to wake us from sleep */ - mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M | - BIT_RTC_INTERRUPTS_REG_IT_ALARM_M); + mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M); return 0; } diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index c07809c8016..5469e099597 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -285,7 +285,7 @@ extern int tape_mtop(struct tape_device *, int, int); extern void tape_state_set(struct tape_device *, enum tape_state); extern int tape_generic_online(struct tape_device *, struct tape_discipline *); -extern int tape_generic_offline(struct tape_device *device); +extern int tape_generic_offline(struct ccw_device *); /* Externals from tape_devmap.c */ extern int tape_generic_probe(struct ccw_device *); diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index 807ded5eb04..5f8e8ef43dd 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -1294,12 +1294,6 @@ tape_34xx_online(struct ccw_device *cdev) ); } -static int -tape_34xx_offline(struct ccw_device *cdev) -{ - return tape_generic_offline(cdev->dev.driver_data); -} - static struct ccw_driver tape_34xx_driver = { .name = "tape_34xx", .owner = THIS_MODULE, @@ -1307,7 +1301,7 @@ static struct ccw_driver tape_34xx_driver = { .probe = tape_generic_probe, .remove = tape_generic_remove, .set_online = tape_34xx_online, - .set_offline = tape_34xx_offline, + .set_offline = tape_generic_offline, }; static int diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index fc1d9129414..823b05bd0dd 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -1707,19 +1707,13 @@ tape_3590_online(struct ccw_device *cdev) &tape_discipline_3590); } -static int -tape_3590_offline(struct ccw_device *cdev) -{ - return tape_generic_offline(cdev->dev.driver_data); -} - static struct ccw_driver tape_3590_driver = { .name = "tape_3590", .owner = THIS_MODULE, .ids = tape_3590_ids, .probe = tape_generic_probe, .remove = tape_generic_remove, - .set_offline = tape_3590_offline, + .set_offline = tape_generic_offline, .set_online = tape_3590_online, }; diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 08c09d3503c..8a109f3b69c 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -387,8 +387,11 @@ tape_cleanup_device(struct tape_device *device) * Manual offline is only allowed while the drive is not in use. */ int -tape_generic_offline(struct tape_device *device) +tape_generic_offline(struct ccw_device *cdev) { + struct tape_device *device; + + device = cdev->dev.driver_data; if (!device) { return -ENODEV; } diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 616c60ffcf2..3ac27ee4739 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -97,9 +97,7 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun) ccw_device_set_online(adapter->ccw_device); zfcp_erp_wait(adapter); - wait_event(adapter->erp_done_wqh, - !(atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_SCSI_WORK_PENDING)); + flush_work(&unit->scsi_work); down(&zfcp_data.config_sema); zfcp_unit_put(unit); @@ -279,6 +277,7 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun) atomic_set(&unit->refcount, 0); init_waitqueue_head(&unit->remove_wq); + INIT_WORK(&unit->scsi_work, zfcp_scsi_scan); unit->port = port; unit->fcp_lun = fcp_lun; @@ -525,6 +524,8 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device) atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status); + zfcp_fc_nameserver_init(adapter); + if (!zfcp_adapter_scsi_register(adapter)) return 0; @@ -553,7 +554,6 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter) cancel_work_sync(&adapter->scan_work); cancel_work_sync(&adapter->stat_work); - cancel_delayed_work_sync(&adapter->nsp.work); zfcp_adapter_scsi_unregister(adapter); sysfs_remove_group(&adapter->ccw_device->dev.kobj, &zfcp_sysfs_adapter_attrs); @@ -671,8 +671,7 @@ void zfcp_port_dequeue(struct zfcp_port *port) list_del(&port->list); write_unlock_irq(&zfcp_data.config_lock); if (port->rport) - fc_remote_port_delete(port->rport); - port->rport = NULL; + port->rport->dd_data = NULL; zfcp_adapter_put(port->adapter); sysfs_remove_group(&port->sysfs_device.kobj, &zfcp_sysfs_port_attrs); device_unregister(&port->sysfs_device); diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index cfb0dcb6e3f..733fe3bf628 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -108,7 +108,6 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device) /* initialize request counter */ BUG_ON(!zfcp_reqlist_isempty(adapter)); adapter->req_no = 0; - zfcp_fc_nameserver_init(adapter); zfcp_erp_modify_adapter_status(adapter, "ccsonl1", NULL, ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET); diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c index 10cbfd172a2..8305c874e86 100644 --- a/drivers/s390/scsi/zfcp_cfdc.c +++ b/drivers/s390/scsi/zfcp_cfdc.c @@ -4,7 +4,7 @@ * Userspace interface for accessing the * Access Control Lists / Control File Data Channel * - * Copyright IBM Corporation 2008 + * Copyright IBM Corporation 2008, 2009 */ #define KMSG_COMPONENT "zfcp" @@ -197,6 +197,7 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command, retval = -ENXIO; goto free_buffer; } + zfcp_adapter_get(adapter); retval = zfcp_cfdc_sg_setup(data->command, fsf_cfdc->sg, data_user->control_file); diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index a0318630f04..4c362a9069f 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -255,7 +255,6 @@ enum zfcp_wka_status { /* logical unit status */ #define ZFCP_STATUS_UNIT_SHARED 0x00000004 #define ZFCP_STATUS_UNIT_READONLY 0x00000008 -#define ZFCP_STATUS_UNIT_SCSI_WORK_PENDING 0x00000020 /* FSF request status (this does not have a common part) */ #define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002 @@ -530,6 +529,7 @@ struct zfcp_unit { struct zfcp_erp_action erp_action; /* pending error recovery */ atomic_t erp_counter; struct zfcp_latencies latencies; + struct work_struct scsi_work; }; /* FSF request */ diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 631bdb1dfd6..fdc9b4352a6 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -719,6 +719,7 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act) zfcp_qdio_close(adapter); zfcp_fsf_req_dismiss_all(adapter); adapter->fsf_req_seq_no = 0; + zfcp_fc_wka_port_force_offline(&adapter->nsp); /* all ports and units are closed */ zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL, ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR); @@ -1176,48 +1177,6 @@ static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action) } } -struct zfcp_erp_add_work { - struct zfcp_unit *unit; - struct work_struct work; -}; - -static void zfcp_erp_scsi_scan(struct work_struct *work) -{ - struct zfcp_erp_add_work *p = - container_of(work, struct zfcp_erp_add_work, work); - struct zfcp_unit *unit = p->unit; - struct fc_rport *rport = unit->port->rport; - - if (rport && rport->port_state == FC_PORTSTATE_ONLINE) - scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, - scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0); - atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); - zfcp_unit_put(unit); - wake_up(&unit->port->adapter->erp_done_wqh); - kfree(p); -} - -static void zfcp_erp_schedule_work(struct zfcp_unit *unit) -{ - struct zfcp_erp_add_work *p; - - p = kzalloc(sizeof(*p), GFP_KERNEL); - if (!p) { - dev_err(&unit->port->adapter->ccw_device->dev, - "Registering unit 0x%016Lx on port 0x%016Lx failed\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - return; - } - - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); - INIT_WORK(&p->work, zfcp_erp_scsi_scan); - p->unit = unit; - if (!queue_work(zfcp_data.work_queue, &p->work)) - zfcp_unit_put(unit); -} - static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) { struct zfcp_adapter *adapter = act->adapter; @@ -1226,11 +1185,11 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) switch (act->action) { case ZFCP_ERP_ACTION_REOPEN_UNIT: - flush_work(&port->rport_work); if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) { - if (!(atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_SCSI_WORK_PENDING)) - zfcp_erp_schedule_work(unit); + zfcp_unit_get(unit); + if (scsi_queue_work(unit->port->adapter->scsi_host, + &unit->scsi_work) <= 0) + zfcp_unit_put(unit); } zfcp_unit_put(unit); break; @@ -1352,6 +1311,11 @@ static int zfcp_erp_thread(void *data) while (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL)) { + + zfcp_rec_dbf_event_thread_lock("erthrd1", adapter); + ignore = down_interruptible(&adapter->erp_ready_sem); + zfcp_rec_dbf_event_thread_lock("erthrd2", adapter); + write_lock_irqsave(&adapter->erp_lock, flags); next = adapter->erp_ready_head.next; write_unlock_irqrestore(&adapter->erp_lock, flags); @@ -1363,10 +1327,6 @@ static int zfcp_erp_thread(void *data) if (zfcp_erp_strategy(act) != ZFCP_ERP_DISMISSED) zfcp_erp_wakeup(adapter); } - - zfcp_rec_dbf_event_thread_lock("erthrd1", adapter); - ignore = down_interruptible(&adapter->erp_ready_sem); - zfcp_rec_dbf_event_thread_lock("erthrd2", adapter); } atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status); diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index f6399ca97bc..2e31b536548 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -106,6 +106,7 @@ extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); extern void zfcp_test_link(struct zfcp_port *); extern void zfcp_fc_link_test_work(struct work_struct *); extern void zfcp_fc_nameserver_init(struct zfcp_adapter *); +extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *); /* zfcp_fsf.c */ extern int zfcp_fsf_open_port(struct zfcp_erp_action *); @@ -158,6 +159,7 @@ extern void zfcp_scsi_rport_work(struct work_struct *); extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); +extern void zfcp_scsi_scan(struct work_struct *); /* zfcp_sysfs.c */ extern struct attribute_group zfcp_sysfs_unit_attrs; diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index e8d032b9dfb..19ae0842047 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -98,13 +98,6 @@ static void zfcp_wka_port_offline(struct work_struct *work) struct zfcp_wka_port *wka_port = container_of(dw, struct zfcp_wka_port, work); - /* Don't wait forvever. If the wka_port is too busy take it offline - through a new call later */ - if (!wait_event_timeout(wka_port->completion_wq, - atomic_read(&wka_port->refcount) == 0, - HZ >> 1)) - return; - mutex_lock(&wka_port->mutex); if ((atomic_read(&wka_port->refcount) != 0) || (wka_port->status != ZFCP_WKA_PORT_ONLINE)) @@ -142,6 +135,14 @@ void zfcp_fc_nameserver_init(struct zfcp_adapter *adapter) INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline); } +void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka) +{ + cancel_delayed_work_sync(&wka->work); + mutex_lock(&wka->mutex); + wka->status = ZFCP_WKA_PORT_OFFLINE; + mutex_unlock(&wka->mutex); +} + static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, struct fcp_rscn_element *elem) { @@ -372,7 +373,8 @@ static void zfcp_fc_adisc_handler(unsigned long data) if (adisc->els.status) { /* request rejected or timed out */ - zfcp_erp_port_forced_reopen(port, 0, "fcadh_1", NULL); + zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, + "fcadh_1", NULL); goto out; } @@ -431,11 +433,6 @@ void zfcp_fc_link_test_work(struct work_struct *work) container_of(work, struct zfcp_port, test_link_work); int retval; - if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_UNBLOCKED)) { - zfcp_port_put(port); - return; /* port erp is running and will update rport status */ - } - zfcp_port_get(port); port->rport_task = RPORT_DEL; zfcp_scsi_rport_work(&port->rport_work); @@ -542,6 +539,9 @@ static void zfcp_validate_port(struct zfcp_port *port) { struct zfcp_adapter *adapter = port->adapter; + if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC)) + return; + atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status); if ((port->supported_classes != 0) || @@ -602,10 +602,8 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries) if (acc->wwpn == fc_host_port_name(adapter->scsi_host)) continue; port = zfcp_get_port_by_wwpn(adapter, acc->wwpn); - if (port) { - zfcp_port_get(port); + if (port) continue; - } port = zfcp_port_enqueue(adapter, acc->wwpn, ZFCP_STATUS_COMMON_NOESC, d_id); @@ -637,7 +635,8 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter) max_entries = chain ? ZFCP_GPN_FT_MAX_ENTRIES : ZFCP_GPN_FT_ENTRIES; max_bytes = chain ? ZFCP_GPN_FT_MAX_SIZE : ZFCP_CT_SIZE_ONE_PAGE; - if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT) + if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT && + fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV) return 0; ret = zfcp_wka_port_get(&adapter->nsp); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index b29f3121b66..74dee32afba 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -172,12 +172,16 @@ static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, char *id, struct fsf_link_down_info *link_down) { struct zfcp_adapter *adapter = req->adapter; + unsigned long flags; if (atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED) return; atomic_set_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status); + + read_lock_irqsave(&zfcp_data.config_lock, flags); zfcp_scsi_schedule_rports_block(adapter); + read_unlock_irqrestore(&zfcp_data.config_lock, flags); if (!link_down) goto out; @@ -645,30 +649,30 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req) } } -static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) - __releases(&adapter->req_q_lock) - __acquires(&adapter->req_q_lock) +static int zfcp_fsf_sbal_check(struct zfcp_adapter *adapter) { struct zfcp_qdio_queue *req_q = &adapter->req_q; - long ret; - if (atomic_read(&req_q->count) <= -REQUEST_LIST_SIZE) - return -EIO; - if (atomic_read(&req_q->count) > 0) - return 0; + spin_lock_bh(&adapter->req_q_lock); + if (atomic_read(&req_q->count)) + return 1; + spin_unlock_bh(&adapter->req_q_lock); + return 0; +} + +static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) +{ + long ret; - atomic_dec(&req_q->count); spin_unlock_bh(&adapter->req_q_lock); ret = wait_event_interruptible_timeout(adapter->request_wq, - atomic_read(&req_q->count) >= 0, - 5 * HZ); - spin_lock_bh(&adapter->req_q_lock); - atomic_inc(&req_q->count); - + zfcp_fsf_sbal_check(adapter), 5 * HZ); if (ret > 0) return 0; if (!ret) atomic_inc(&adapter->qdio_outb_full); + + spin_lock_bh(&adapter->req_q_lock); return -EIO; } @@ -766,8 +770,9 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter, static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) { struct zfcp_adapter *adapter = req->adapter; - unsigned long flags; - int idx; + unsigned long flags; + int idx; + int with_qtcb = (req->qtcb != NULL); /* put allocated FSF request into hash table */ spin_lock_irqsave(&adapter->req_list_lock, flags); @@ -789,7 +794,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) } /* Don't increase for unsolicited status */ - if (req->qtcb) + if (with_qtcb) adapter->fsf_req_seq_no++; adapter->req_no++; @@ -1253,13 +1258,13 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) - goto out; + goto out_unlock; req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA, 0, NULL); if (IS_ERR(req)) { retval = PTR_ERR(req); - goto out; + goto out_unlock; } sbale = zfcp_qdio_sbale_req(req); @@ -1278,14 +1283,16 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); -out: spin_unlock_bh(&adapter->req_q_lock); if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); zfcp_fsf_req_free(req); + return retval; +out_unlock: + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1352,13 +1359,13 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) - goto out; + goto out_unlock; req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 0, NULL); if (IS_ERR(req)) { retval = PTR_ERR(req); - goto out; + goto out_unlock; } if (data) @@ -1371,14 +1378,18 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, req->handler = zfcp_fsf_exchange_port_data_handler; zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); -out: spin_unlock_bh(&adapter->req_q_lock); + if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); zfcp_fsf_req_free(req); return retval; + +out_unlock: + spin_unlock_bh(&adapter->req_q_lock); + return retval; } static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req) @@ -2472,8 +2483,6 @@ out: static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req) { - if (req->qtcb->header.fsf_status != FSF_GOOD) - req->status |= ZFCP_STATUS_FSFREQ_ERROR; } /** diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 58201e1ae47..e8fbeaeb5fb 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -171,7 +171,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) write_unlock_irqrestore(&adapter->abort_lock, flags); zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL, old_req_id); - return SUCCESS; + return FAILED; /* completion could be in progress */ } old_req->data = NULL; @@ -486,10 +486,12 @@ static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout) */ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport) { - struct zfcp_port *port = rport->dd_data; + struct zfcp_port *port; write_lock_irq(&zfcp_data.config_lock); - port->rport = NULL; + port = rport->dd_data; + if (port) + port->rport = NULL; write_unlock_irq(&zfcp_data.config_lock); } @@ -503,9 +505,18 @@ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport) */ static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport) { - struct zfcp_port *port = rport->dd_data; + struct zfcp_port *port; + + write_lock_irq(&zfcp_data.config_lock); + port = rport->dd_data; + if (port) + zfcp_port_get(port); + write_unlock_irq(&zfcp_data.config_lock); - zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL); + if (port) { + zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL); + zfcp_port_put(port); + } } static void zfcp_scsi_rport_register(struct zfcp_port *port) @@ -534,8 +545,10 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port) static void zfcp_scsi_rport_block(struct zfcp_port *port) { - if (port->rport) - fc_remote_port_delete(port->rport); + struct fc_rport *rport = port->rport; + + if (rport) + fc_remote_port_delete(rport); } void zfcp_scsi_schedule_rport_register(struct zfcp_port *port) @@ -583,6 +596,23 @@ void zfcp_scsi_rport_work(struct work_struct *work) } +void zfcp_scsi_scan(struct work_struct *work) +{ + struct zfcp_unit *unit = container_of(work, struct zfcp_unit, + scsi_work); + struct fc_rport *rport; + + flush_work(&unit->port->rport_work); + rport = unit->port->rport; + + if (rport && rport->port_state == FC_PORTSTATE_ONLINE) + scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, + scsilun_to_int((struct scsi_lun *) + &unit->fcp_lun), 0); + + zfcp_unit_put(unit); +} + struct fc_function_template zfcp_transport_functions = { .show_starget_port_id = 1, .show_starget_port_name = 1, diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 9a3b8e261c0..3e51e64d110 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -254,12 +254,21 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev, write_lock_irq(&zfcp_data.config_lock); unit = zfcp_get_unit_by_lun(port, fcp_lun); - if (unit && (atomic_read(&unit->refcount) == 0)) { - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status); - list_move(&unit->list, &unit_remove_lh); - } else - unit = NULL; + if (unit) { + write_unlock_irq(&zfcp_data.config_lock); + /* wait for possible timeout during SCSI probe */ + flush_work(&unit->scsi_work); + write_lock_irq(&zfcp_data.config_lock); + + if (atomic_read(&unit->refcount) == 0) { + zfcp_unit_get(unit); + atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, + &unit->status); + list_move(&unit->list, &unit_remove_lh); + } else { + unit = NULL; + } + } write_unlock_irq(&zfcp_data.config_lock); diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 8b7983aba8f..36c21b19e5d 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1978,7 +1978,8 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id) { struct scsi_cmnd *cmd = tw_dev->srb[request_id]; - scsi_dma_unmap(cmd); + if (cmd->SCp.phase == TW_PHASE_SGLIST) + scsi_dma_unmap(cmd); } /* End twa_unmap_scsi_data() */ /* scsi_host_template initializer */ diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c index c03f1d2c9e2..faa0fcfed71 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -6,7 +6,7 @@ Arnaldo Carvalho de Melo <acme@conectiva.com.br> Brad Strand <linux@3ware.com> - Copyright (C) 1999-2007 3ware Inc. + Copyright (C) 1999-2009 3ware Inc. Kernel compatiblity By: Andre Hedrick <andre@suse.com> Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com> @@ -1294,7 +1294,8 @@ static void tw_unmap_scsi_data(struct pci_dev *pdev, struct scsi_cmnd *cmd) { dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n"); - scsi_dma_unmap(cmd); + if (cmd->SCp.phase == TW_PHASE_SGLIST) + scsi_dma_unmap(cmd); } /* End tw_unmap_scsi_data() */ /* This function will reset a device extension */ diff --git a/drivers/scsi/3w-xxxx.h b/drivers/scsi/3w-xxxx.h index 8e71e5e122b..a5a2ba2561d 100644 --- a/drivers/scsi/3w-xxxx.h +++ b/drivers/scsi/3w-xxxx.h @@ -6,7 +6,7 @@ Arnaldo Carvalho de Melo <acme@conectiva.com.br> Brad Strand <linux@3ware.com> - Copyright (C) 1999-2007 3ware Inc. + Copyright (C) 1999-2009 3ware Inc. Kernel compatiblity By: Andre Hedrick <andre@suse.com> Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com> diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 8ed2990c826..fb2740789b6 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -628,6 +628,17 @@ config FCOE ---help--- Fibre Channel over Ethernet module +config FCOE_FNIC + tristate "Cisco FNIC Driver" + depends on PCI && X86 + select LIBFC + help + This is support for the Cisco PCI-Express FCoE HBA. + + To compile this driver as a module, choose M here and read + <file:Documentation/scsi/scsi.txt>. + The module will be called fnic. + config SCSI_DMX3191D tristate "DMX3191D SCSI support" depends on PCI && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index e7c861ac417..a5049cfb40e 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -39,6 +39,7 @@ obj-$(CONFIG_SCSI_DH) += device_handler/ obj-$(CONFIG_LIBFC) += libfc/ obj-$(CONFIG_LIBFCOE) += fcoe/ obj-$(CONFIG_FCOE) += fcoe/ +obj-$(CONFIG_FCOE_FNIC) += fnic/ obj-$(CONFIG_ISCSI_TCP) += libiscsi.o libiscsi_tcp.o iscsi_tcp.o obj-$(CONFIG_INFINIBAND_ISER) += libiscsi.o obj-$(CONFIG_SCSI_A4000T) += 53c700.o a4000t.o diff --git a/drivers/scsi/a4000t.c b/drivers/scsi/a4000t.c index 61af3d91ac8..e3519fa5a3b 100644 --- a/drivers/scsi/a4000t.c +++ b/drivers/scsi/a4000t.c @@ -129,7 +129,7 @@ static int __init a4000t_scsi_init(void) a4000t_scsi_device = platform_device_register_simple("a4000t-scsi", -1, NULL, 0); if (IS_ERR(a4000t_scsi_device)) { - platform_driver_register(&a4000t_scsi_driver); + platform_driver_unregister(&a4000t_scsi_driver); return PTR_ERR(a4000t_scsi_device); } diff --git a/drivers/scsi/cxgb3i/cxgb3i.h b/drivers/scsi/cxgb3i/cxgb3i.h index d362860e750..59b0958d2d1 100644 --- a/drivers/scsi/cxgb3i/cxgb3i.h +++ b/drivers/scsi/cxgb3i/cxgb3i.h @@ -34,7 +34,7 @@ #include "cxgb3i_offload.h" #include "cxgb3i_ddp.h" -#define CXGB3I_SCSI_QDEPTH_DFLT 128 +#define CXGB3I_SCSI_HOST_QDEPTH 1024 #define CXGB3I_MAX_TARGET CXGB3I_MAX_CONN #define CXGB3I_MAX_LUN 512 #define ISCSI_PDU_NONPAYLOAD_MAX \ diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.c b/drivers/scsi/cxgb3i/cxgb3i_ddp.c index d06a661c209..99c91254790 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_ddp.c +++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.c @@ -120,20 +120,26 @@ static void clear_ddp_map(struct cxgb3i_ddp_info *ddp, unsigned int tag, } static inline int ddp_find_unused_entries(struct cxgb3i_ddp_info *ddp, - int start, int max, int count, + unsigned int start, unsigned int max, + unsigned int count, struct cxgb3i_gather_list *gl) { - unsigned int i, j; + unsigned int i, j, k; + /* not enough entries */ + if ((max - start) < count) + return -EBUSY; + + max -= count; spin_lock(&ddp->map_lock); - for (i = start; i <= max;) { - for (j = 0; j < count; j++) { - if (ddp->gl_map[i + j]) + for (i = start; i < max;) { + for (j = 0, k = i; j < count; j++, k++) { + if (ddp->gl_map[k]) break; } if (j == count) { - for (j = 0; j < count; j++) - ddp->gl_map[i + j] = gl; + for (j = 0, k = i; j < count; j++, k++) + ddp->gl_map[k] = gl; spin_unlock(&ddp->map_lock); return i; } @@ -354,7 +360,7 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid, struct cxgb3i_ddp_info *ddp = tdev->ulp_iscsi; struct pagepod_hdr hdr; unsigned int npods; - int idx = -1, idx_max; + int idx = -1; int err = -ENOMEM; u32 sw_tag = *tagp; u32 tag; @@ -367,17 +373,17 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid, } npods = (gl->nelem + PPOD_PAGES_MAX - 1) >> PPOD_PAGES_SHIFT; - idx_max = ddp->nppods - npods + 1; if (ddp->idx_last == ddp->nppods) - idx = ddp_find_unused_entries(ddp, 0, idx_max, npods, gl); + idx = ddp_find_unused_entries(ddp, 0, ddp->nppods, npods, gl); else { idx = ddp_find_unused_entries(ddp, ddp->idx_last + 1, - idx_max, npods, gl); - if (idx < 0 && ddp->idx_last >= npods) + ddp->nppods, npods, gl); + if (idx < 0 && ddp->idx_last >= npods) { idx = ddp_find_unused_entries(ddp, 0, - ddp->idx_last - npods + 1, + min(ddp->idx_last + npods, ddp->nppods), npods, gl); + } } if (idx < 0) { ddp_log_debug("xferlen %u, gl %u, npods %u NO DDP.\n", diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index fff8e432764..9212400b9b1 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -876,13 +876,14 @@ static struct scsi_host_template cxgb3i_host_template = { .proc_name = "cxgb3i", .queuecommand = iscsi_queuecommand, .change_queue_depth = iscsi_change_queue_depth, - .can_queue = CXGB3I_SCSI_QDEPTH_DFLT - 1, + .can_queue = CXGB3I_SCSI_HOST_QDEPTH, .sg_tablesize = SG_ALL, .max_sectors = 0xFFFF, - .cmd_per_lun = CXGB3I_SCSI_QDEPTH_DFLT, + .cmd_per_lun = ISCSI_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler = iscsi_eh_device_reset, .eh_target_reset_handler = iscsi_eh_target_reset, + .target_alloc = iscsi_target_alloc, .use_clustering = DISABLE_CLUSTERING, .this_id = -1, }; diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c index 4d8654cdbda..e11c9c180f3 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.c +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c @@ -1737,7 +1737,7 @@ int cxgb3i_c3cn_send_pdus(struct s3_conn *c3cn, struct sk_buff *skb) c3cn_tx_debug("c3cn 0x%p, snd %u - %u > %u.\n", c3cn, c3cn->write_seq, c3cn->snd_una, cxgb3_snd_win); - err = -EAGAIN; + err = -ENOBUFS; goto out_err; } @@ -1775,6 +1775,8 @@ done: out_err: if (copied == 0 && err == -EPIPE) copied = c3cn->err ? c3cn->err : -EPIPE; + else + copied = err; goto done; } diff --git a/drivers/scsi/cxgb3i/cxgb3i_pdu.c b/drivers/scsi/cxgb3i/cxgb3i_pdu.c index 7eebc9a7cb3..70910507117 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_pdu.c +++ b/drivers/scsi/cxgb3i/cxgb3i_pdu.c @@ -400,17 +400,18 @@ int cxgb3i_conn_xmit_pdu(struct iscsi_task *task) return 0; } - if (err < 0 && err != -EAGAIN) { - kfree_skb(skb); - cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", - task->itt, skb, skb->len, skb->data_len, err); - iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); - iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); + if (err == -EAGAIN || err == -ENOBUFS) { + /* reset skb to send when we are called again */ + tdata->skb = skb; return err; } - /* reset skb to send when we are called again */ - tdata->skb = skb; - return -EAGAIN; + + kfree_skb(skb); + cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", + task->itt, skb, skb->len, skb->data_len, err); + iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); + iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); + return err; } int cxgb3i_pdu_init(void) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 94e1e318977..03e1926f40b 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -57,7 +57,7 @@ DEFINE_RWLOCK(fcoe_hostlist_lock); DEFINE_TIMER(fcoe_timer, NULL, 0, 0); DEFINE_PER_CPU(struct fcoe_percpu_s, fcoe_percpu); -/* Function Prototyes */ +/* Function Prototypes */ static int fcoe_reset(struct Scsi_Host *shost); static int fcoe_xmit(struct fc_lport *, struct fc_frame *); static int fcoe_rcv(struct sk_buff *, struct net_device *, @@ -138,7 +138,6 @@ static struct scsi_host_template fcoe_shost_template = { /** * fcoe_lport_config() - sets up the fc_lport * @lp: ptr to the fc_lport - * @shost: ptr to the parent scsi host * * Returns: 0 for success */ @@ -256,6 +255,7 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev) rtnl_lock(); memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN); dev_unicast_add(fc->real_dev, flogi_maddr, ETH_ALEN); + dev_mc_add(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0); rtnl_unlock(); /* @@ -380,7 +380,7 @@ static int fcoe_if_destroy(struct net_device *netdev) dev_mc_delete(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0); rtnl_unlock(); - /* Free the per-CPU revieve threads */ + /* Free the per-CPU receive threads */ fcoe_percpu_clean(lp); /* Free existing skbs */ @@ -720,7 +720,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu) } #else /* - * This a non-SMP scenario where the singluar Rx thread is + * This a non-SMP scenario where the singular Rx thread is * being removed. Free all skbs and stop the thread. */ spin_lock_bh(&p->fcoe_rx_list.lock); @@ -777,7 +777,7 @@ static struct notifier_block fcoe_cpu_notifier = { * @skb: the receive skb * @dev: associated net device * @ptype: context - * @odldev: last device + * @olddev: last device * * this function will receive the packet and build fc frame and pass it up * @@ -884,7 +884,6 @@ err2: kfree_skb(skb); return -1; } -EXPORT_SYMBOL_GPL(fcoe_rcv); /** * fcoe_start_io() - pass to netdev to start xmit for fcoe @@ -905,7 +904,7 @@ static inline int fcoe_start_io(struct sk_buff *skb) } /** - * fcoe_get_paged_crc_eof() - in case we need alloc a page for crc_eof + * fcoe_get_paged_crc_eof() - in case we need to alloc a page for crc_eof * @skb: the skb to be xmitted * @tlen: total len * @@ -947,7 +946,7 @@ static int fcoe_get_paged_crc_eof(struct sk_buff *skb, int tlen) /** * fcoe_fc_crc() - calculates FC CRC in this fcoe skb - * @fp: the fc_frame containg data to be checksummed + * @fp: the fc_frame containing data to be checksummed * * This uses crc32() to calculate the crc for fc frame * Return : 32 bit crc @@ -1011,7 +1010,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) wlen = skb->len / FCOE_WORD_TO_BYTE; if (!lp->link_up) { - kfree(skb); + kfree_skb(skb); return 0; } @@ -1062,7 +1061,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) cp = NULL; } - /* adjust skb netowrk/transport offsets to match mac/fcoe/fc */ + /* adjust skb network/transport offsets to match mac/fcoe/fc */ skb_push(skb, elen + hlen); skb_reset_mac_header(skb); skb_reset_network_header(skb); @@ -1123,7 +1122,6 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) return 0; } -EXPORT_SYMBOL_GPL(fcoe_xmit); /** * fcoe_percpu_receive_thread() - recv thread per cpu @@ -1296,17 +1294,16 @@ void fcoe_watchdog(ulong vp) /** - * fcoe_check_wait_queue() - put the skb into fcoe pending xmit queue - * @lp: the fc_port for this skb - * @skb: the associated skb to be xmitted + * fcoe_check_wait_queue() - attempt to clear the transmit backlog + * @lp: the fc_lport * * This empties the wait_queue, dequeue the head of the wait_queue queue * and calls fcoe_start_io() for each packet, if all skb have been * transmitted, return qlen or -1 if a error occurs, then restore - * wait_queue and try again later. + * wait_queue and try again later. * * The wait_queue is used when the skb transmit fails. skb will go - * in the wait_queue which will be emptied by the time function OR + * in the wait_queue which will be emptied by the timer function or * by the next skb transmit. * * Returns: 0 for success @@ -1355,10 +1352,6 @@ out: */ static void fcoe_dev_setup() { - /* - * here setup a interface specific wd time to - * monitor the link state - */ register_netdevice_notifier(&fcoe_notifier); } @@ -1437,10 +1430,9 @@ out: /** * fcoe_if_to_netdev() - parse a name buffer to get netdev - * @ifname: fixed array for output parsed ifname * @buffer: incoming buffer to be copied * - * Returns: NULL or ptr to netdeive + * Returns: NULL or ptr to net_device */ static struct net_device *fcoe_if_to_netdev(const char *buffer) { @@ -1458,7 +1450,7 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer) } /** - * fcoe_netdev_to_module_owner() - finds out the nic drive moddule of the netdev + * fcoe_netdev_to_module_owner() - finds out the driver module of the netdev * @netdev: the target netdev * * Returns: ptr to the struct module, NULL for failure @@ -1488,7 +1480,7 @@ fcoe_netdev_to_module_owner(const struct net_device *netdev) * Holds the Ethernet driver module by try_module_get() for * the corresponding netdev. * - * Returns: 0 for succsss + * Returns: 0 for success */ static int fcoe_ethdrv_get(const struct net_device *netdev) { @@ -1510,7 +1502,7 @@ static int fcoe_ethdrv_get(const struct net_device *netdev) * Releases the Ethernet driver module by module_put for * the corresponding netdev. * - * Returns: 0 for succsss + * Returns: 0 for success */ static int fcoe_ethdrv_put(const struct net_device *netdev) { @@ -1528,7 +1520,7 @@ static int fcoe_ethdrv_put(const struct net_device *netdev) /** * fcoe_destroy() - handles the destroy from sysfs - * @buffer: expcted to be a eth if name + * @buffer: expected to be an eth if name * @kp: associated kernel param * * Returns: 0 for success @@ -1565,7 +1557,7 @@ out_nodev: /** * fcoe_create() - Handles the create call from sysfs - * @buffer: expcted to be a eth if name + * @buffer: expected to be an eth if name * @kp: associated kernel param * * Returns: 0 for success @@ -1652,7 +1644,6 @@ int fcoe_link_ok(struct fc_lport *lp) return rc; } -EXPORT_SYMBOL_GPL(fcoe_link_ok); /** * fcoe_percpu_clean() - Clear the pending skbs for an lport @@ -1684,7 +1675,6 @@ void fcoe_percpu_clean(struct fc_lport *lp) spin_unlock_bh(&pp->fcoe_rx_list.lock); } } -EXPORT_SYMBOL_GPL(fcoe_percpu_clean); /** * fcoe_clean_pending_queue() - Dequeue a skb and free it @@ -1705,7 +1695,6 @@ void fcoe_clean_pending_queue(struct fc_lport *lp) } spin_unlock_bh(&fc->fcoe_pending_queue.lock); } -EXPORT_SYMBOL_GPL(fcoe_clean_pending_queue); /** * fcoe_reset() - Resets the fcoe @@ -1719,11 +1708,10 @@ int fcoe_reset(struct Scsi_Host *shost) fc_lport_reset(lport); return 0; } -EXPORT_SYMBOL_GPL(fcoe_reset); /** * fcoe_hostlist_lookup_softc() - find the corresponding lport by a given device - * @device: this is currently ptr to net_device + * @dev: this is currently ptr to net_device * * Returns: NULL or the located fcoe_softc */ @@ -1757,11 +1745,10 @@ struct fc_lport *fcoe_hostlist_lookup(const struct net_device *netdev) return (fc) ? fc->ctlr.lp : NULL; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_lookup); /** * fcoe_hostlist_add() - Add a lport to lports list - * @lp: ptr to the fc_lport to badded + * @lp: ptr to the fc_lport to be added * * Returns: 0 for success */ @@ -1778,11 +1765,10 @@ int fcoe_hostlist_add(const struct fc_lport *lp) } return 0; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_add); /** * fcoe_hostlist_remove() - remove a lport from lports list - * @lp: ptr to the fc_lport to badded + * @lp: ptr to the fc_lport to be removed * * Returns: 0 for success */ @@ -1798,7 +1784,6 @@ int fcoe_hostlist_remove(const struct fc_lport *lp) return 0; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_remove); /** * fcoe_init() - fcoe module loading initialization diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index f410f4abb54..62ba0f39c6b 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -122,7 +122,7 @@ static void fcoe_ctlr_reset_fcfs(struct fcoe_ctlr *fip) } /** - * fcoe_ctrl_destroy() - Disable and tear-down the FCoE controller. + * fcoe_ctlr_destroy() - Disable and tear-down the FCoE controller. * @fip: FCoE controller. * * This is called by FCoE drivers before freeing the &fcoe_ctlr. diff --git a/drivers/scsi/fnic/Makefile b/drivers/scsi/fnic/Makefile new file mode 100644 index 00000000000..37c3440bc17 --- /dev/null +++ b/drivers/scsi/fnic/Makefile @@ -0,0 +1,15 @@ +obj-$(CONFIG_FCOE_FNIC) += fnic.o + +fnic-y := \ + fnic_attrs.o \ + fnic_isr.o \ + fnic_main.o \ + fnic_res.o \ + fnic_fcs.o \ + fnic_scsi.o \ + vnic_cq.o \ + vnic_dev.o \ + vnic_intr.o \ + vnic_rq.o \ + vnic_wq_copy.o \ + vnic_wq.o diff --git a/drivers/scsi/fnic/cq_desc.h b/drivers/scsi/fnic/cq_desc.h new file mode 100644 index 00000000000..d1225cf6320 --- /dev/null +++ b/drivers/scsi/fnic/cq_desc.h @@ -0,0 +1,78 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _CQ_DESC_H_ +#define _CQ_DESC_H_ + +/* + * Completion queue descriptor types + */ +enum cq_desc_types { + CQ_DESC_TYPE_WQ_ENET = 0, + CQ_DESC_TYPE_DESC_COPY = 1, + CQ_DESC_TYPE_WQ_EXCH = 2, + CQ_DESC_TYPE_RQ_ENET = 3, + CQ_DESC_TYPE_RQ_FCP = 4, +}; + +/* Completion queue descriptor: 16B + * + * All completion queues have this basic layout. The + * type_specfic area is unique for each completion + * queue type. + */ +struct cq_desc { + __le16 completed_index; + __le16 q_number; + u8 type_specfic[11]; + u8 type_color; +}; + +#define CQ_DESC_TYPE_BITS 4 +#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1) +#define CQ_DESC_COLOR_MASK 1 +#define CQ_DESC_COLOR_SHIFT 7 +#define CQ_DESC_Q_NUM_BITS 10 +#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1) +#define CQ_DESC_COMP_NDX_BITS 12 +#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1) + +static inline void cq_desc_dec(const struct cq_desc *desc_arg, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + const struct cq_desc *desc = desc_arg; + const u8 type_color = desc->type_color; + + *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK; + + /* + * Make sure color bit is read from desc *before* other fields + * are read from desc. Hardware guarantees color bit is last + * bit (byte) written. Adding the rmb() prevents the compiler + * and/or CPU from reordering the reads which would potentially + * result in reading stale values. + */ + + rmb(); + + *type = type_color & CQ_DESC_TYPE_MASK; + *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK; + *completed_index = le16_to_cpu(desc->completed_index) & + CQ_DESC_COMP_NDX_MASK; +} + +#endif /* _CQ_DESC_H_ */ diff --git a/drivers/scsi/fnic/cq_enet_desc.h b/drivers/scsi/fnic/cq_enet_desc.h new file mode 100644 index 00000000000..a9fa26f82dd --- /dev/null +++ b/drivers/scsi/fnic/cq_enet_desc.h @@ -0,0 +1,167 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _CQ_ENET_DESC_H_ +#define _CQ_ENET_DESC_H_ + +#include "cq_desc.h" + +/* Ethernet completion queue descriptor: 16B */ +struct cq_enet_wq_desc { + __le16 completed_index; + __le16 q_number; + u8 reserved[11]; + u8 type_color; +}; + +static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); +} + +/* Completion queue descriptor: Ethernet receive queue, 16B */ +struct cq_enet_rq_desc { + __le16 completed_index_flags; + __le16 q_number_rss_type_flags; + __le32 rss_hash; + __le16 bytes_written_flags; + __le16 vlan; + __le16 checksum_fcoe; + u8 flags; + u8 type_color; +}; + +#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12) +#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13) +#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15) + +#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \ + ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1) +#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6 + +#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14) + +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14 +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \ + ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1) +#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15) + +#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 4 +#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8 +#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8 + +#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1) +#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1) +#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3) +#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6) +#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7) + +static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index, + u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type, + u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error, + u8 *vlan_stripped, u16 *vlan, u16 *checksum, u8 *fcoe_sof, + u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof, + u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok, + u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok) +{ + u16 completed_index_flags = le16_to_cpu(desc->completed_index_flags); + u16 q_number_rss_type_flags = + le16_to_cpu(desc->q_number_rss_type_flags); + u16 bytes_written_flags = le16_to_cpu(desc->bytes_written_flags); + + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); + + *ingress_port = (completed_index_flags & + CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0; + *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ? + 1 : 0; + *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ? + 1 : 0; + *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ? + 1 : 0; + + *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) & + CQ_ENET_RQ_DESC_RSS_TYPE_MASK); + *csum_not_calc = (q_number_rss_type_flags & + CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0; + + *rss_hash = le32_to_cpu(desc->rss_hash); + + *bytes_written = bytes_written_flags & + CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK; + *packet_error = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0; + *vlan_stripped = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0; + + *vlan = le16_to_cpu(desc->vlan); + + if (*fcoe) { + *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) & + CQ_ENET_RQ_DESC_FCOE_SOF_MASK); + *fcoe_fc_crc_ok = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0; + *fcoe_enc_error = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0; + *fcoe_eof = (u8)((desc->checksum_fcoe >> + CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) & + CQ_ENET_RQ_DESC_FCOE_EOF_MASK); + *checksum = 0; + } else { + *fcoe_sof = 0; + *fcoe_fc_crc_ok = 0; + *fcoe_enc_error = 0; + *fcoe_eof = 0; + *checksum = le16_to_cpu(desc->checksum_fcoe); + } + + *tcp_udp_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0; + *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0; + *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0; + *ipv4_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0; + *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0; + *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0; + *ipv4_fragment = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0; + *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0; +} + +#endif /* _CQ_ENET_DESC_H_ */ diff --git a/drivers/scsi/fnic/cq_exch_desc.h b/drivers/scsi/fnic/cq_exch_desc.h new file mode 100644 index 00000000000..501660cfe22 --- /dev/null +++ b/drivers/scsi/fnic/cq_exch_desc.h @@ -0,0 +1,182 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _CQ_EXCH_DESC_H_ +#define _CQ_EXCH_DESC_H_ + +#include "cq_desc.h" + +/* Exchange completion queue descriptor: 16B */ +struct cq_exch_wq_desc { + u16 completed_index; + u16 q_number; + u16 exchange_id; + u8 tmpl; + u8 reserved0; + u32 reserved1; + u8 exch_status; + u8 reserved2[2]; + u8 type_color; +}; + +#define CQ_EXCH_WQ_STATUS_BITS 2 +#define CQ_EXCH_WQ_STATUS_MASK ((1 << CQ_EXCH_WQ_STATUS_BITS) - 1) + +enum cq_exch_status_types { + CQ_EXCH_WQ_STATUS_TYPE_COMPLETE = 0, + CQ_EXCH_WQ_STATUS_TYPE_ABORT = 1, + CQ_EXCH_WQ_STATUS_TYPE_SGL_EOF = 2, + CQ_EXCH_WQ_STATUS_TYPE_TMPL_ERR = 3, +}; + +static inline void cq_exch_wq_desc_dec(struct cq_exch_wq_desc *desc_ptr, + u8 *type, + u8 *color, + u16 *q_number, + u16 *completed_index, + u8 *exch_status) +{ + cq_desc_dec((struct cq_desc *)desc_ptr, type, + color, q_number, completed_index); + *exch_status = desc_ptr->exch_status & CQ_EXCH_WQ_STATUS_MASK; +} + +struct cq_fcp_rq_desc { + u16 completed_index_eop_sop_prt; + u16 q_number; + u16 exchange_id; + u16 tmpl; + u16 bytes_written; + u16 vlan; + u8 sof; + u8 eof; + u8 fcs_fer_fck; + u8 type_color; +}; + +#define CQ_FCP_RQ_DESC_FLAGS_SOP (1 << 15) +#define CQ_FCP_RQ_DESC_FLAGS_EOP (1 << 14) +#define CQ_FCP_RQ_DESC_FLAGS_PRT (1 << 12) +#define CQ_FCP_RQ_DESC_TMPL_MASK 0x1f +#define CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK 0x3fff +#define CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT 14 +#define CQ_FCP_RQ_DESC_PACKET_ERR_MASK (1 << CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT) +#define CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT 15 +#define CQ_FCP_RQ_DESC_VS_STRIPPED_MASK (1 << CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT) +#define CQ_FCP_RQ_DESC_FC_CRC_OK_MASK 0x1 +#define CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT 1 +#define CQ_FCP_RQ_DESC_FCOE_ERR_MASK (1 << CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT) +#define CQ_FCP_RQ_DESC_FCS_OK_SHIFT 7 +#define CQ_FCP_RQ_DESC_FCS_OK_MASK (1 << CQ_FCP_RQ_DESC_FCS_OK_SHIFT) + +static inline void cq_fcp_rq_desc_dec(struct cq_fcp_rq_desc *desc_ptr, + u8 *type, + u8 *color, + u16 *q_number, + u16 *completed_index, + u8 *eop, + u8 *sop, + u8 *fck, + u16 *exchange_id, + u16 *tmpl, + u32 *bytes_written, + u8 *sof, + u8 *eof, + u8 *ingress_port, + u8 *packet_err, + u8 *fcoe_err, + u8 *fcs_ok, + u8 *vlan_stripped, + u16 *vlan) +{ + cq_desc_dec((struct cq_desc *)desc_ptr, type, + color, q_number, completed_index); + *eop = (desc_ptr->completed_index_eop_sop_prt & + CQ_FCP_RQ_DESC_FLAGS_EOP) ? 1 : 0; + *sop = (desc_ptr->completed_index_eop_sop_prt & + CQ_FCP_RQ_DESC_FLAGS_SOP) ? 1 : 0; + *ingress_port = + (desc_ptr->completed_index_eop_sop_prt & + CQ_FCP_RQ_DESC_FLAGS_PRT) ? 1 : 0; + *exchange_id = desc_ptr->exchange_id; + *tmpl = desc_ptr->tmpl & CQ_FCP_RQ_DESC_TMPL_MASK; + *bytes_written = + desc_ptr->bytes_written & CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK; + *packet_err = + (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_PACKET_ERR_MASK) >> + CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT; + *vlan_stripped = + (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_VS_STRIPPED_MASK) >> + CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT; + *vlan = desc_ptr->vlan; + *sof = desc_ptr->sof; + *fck = desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FC_CRC_OK_MASK; + *fcoe_err = (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCOE_ERR_MASK) >> + CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT; + *eof = desc_ptr->eof; + *fcs_ok = + (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCS_OK_MASK) >> + CQ_FCP_RQ_DESC_FCS_OK_SHIFT; +} + +struct cq_sgl_desc { + u16 exchange_id; + u16 q_number; + u32 active_burst_offset; + u32 tot_data_bytes; + u16 tmpl; + u8 sgl_err; + u8 type_color; +}; + +enum cq_sgl_err_types { + CQ_SGL_ERR_NO_ERROR = 0, + CQ_SGL_ERR_OVERFLOW, /* data ran beyond end of SGL */ + CQ_SGL_ERR_SGL_LCL_ADDR_ERR, /* sgl access to local vnic addr illegal*/ + CQ_SGL_ERR_ADDR_RSP_ERR, /* sgl address error */ + CQ_SGL_ERR_DATA_RSP_ERR, /* sgl data rsp error */ + CQ_SGL_ERR_CNT_ZERO_ERR, /* SGL count is 0 */ + CQ_SGL_ERR_CNT_MAX_ERR, /* SGL count is larger than supported */ + CQ_SGL_ERR_ORDER_ERR, /* frames recv on both ports, order err */ + CQ_SGL_ERR_DATA_LCL_ADDR_ERR,/* sgl data buf to local vnic addr ill */ + CQ_SGL_ERR_HOST_CQ_ERR, /* host cq entry to local vnic addr ill */ +}; + +#define CQ_SGL_SGL_ERR_MASK 0x1f +#define CQ_SGL_TMPL_MASK 0x1f + +static inline void cq_sgl_desc_dec(struct cq_sgl_desc *desc_ptr, + u8 *type, + u8 *color, + u16 *q_number, + u16 *exchange_id, + u32 *active_burst_offset, + u32 *tot_data_bytes, + u16 *tmpl, + u8 *sgl_err) +{ + /* Cheat a little by assuming exchange_id is the same as completed + index */ + cq_desc_dec((struct cq_desc *)desc_ptr, type, color, q_number, + exchange_id); + *active_burst_offset = desc_ptr->active_burst_offset; + *tot_data_bytes = desc_ptr->tot_data_bytes; + *tmpl = desc_ptr->tmpl & CQ_SGL_TMPL_MASK; + *sgl_err = desc_ptr->sgl_err & CQ_SGL_SGL_ERR_MASK; +} + +#endif /* _CQ_EXCH_DESC_H_ */ diff --git a/drivers/scsi/fnic/fcpio.h b/drivers/scsi/fnic/fcpio.h new file mode 100644 index 00000000000..12d770d885c --- /dev/null +++ b/drivers/scsi/fnic/fcpio.h @@ -0,0 +1,780 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _FCPIO_H_ +#define _FCPIO_H_ + +#include <linux/if_ether.h> + +/* + * This header file includes all of the data structures used for + * communication by the host driver to the fcp firmware. + */ + +/* + * Exchange and sequence id space allocated to the host driver + */ +#define FCPIO_HOST_EXCH_RANGE_START 0x1000 +#define FCPIO_HOST_EXCH_RANGE_END 0x1fff +#define FCPIO_HOST_SEQ_ID_RANGE_START 0x80 +#define FCPIO_HOST_SEQ_ID_RANGE_END 0xff + +/* + * Command entry type + */ +enum fcpio_type { + /* + * Initiator request types + */ + FCPIO_ICMND_16 = 0x1, + FCPIO_ICMND_32, + FCPIO_ICMND_CMPL, + FCPIO_ITMF, + FCPIO_ITMF_CMPL, + + /* + * Target request types + */ + FCPIO_TCMND_16 = 0x11, + FCPIO_TCMND_32, + FCPIO_TDATA, + FCPIO_TXRDY, + FCPIO_TRSP, + FCPIO_TDRSP_CMPL, + FCPIO_TTMF, + FCPIO_TTMF_ACK, + FCPIO_TABORT, + FCPIO_TABORT_CMPL, + + /* + * Misc request types + */ + FCPIO_ACK = 0x20, + FCPIO_RESET, + FCPIO_RESET_CMPL, + FCPIO_FLOGI_REG, + FCPIO_FLOGI_REG_CMPL, + FCPIO_ECHO, + FCPIO_ECHO_CMPL, + FCPIO_LUNMAP_CHNG, + FCPIO_LUNMAP_REQ, + FCPIO_LUNMAP_REQ_CMPL, + FCPIO_FLOGI_FIP_REG, + FCPIO_FLOGI_FIP_REG_CMPL, +}; + +/* + * Header status codes from the firmware + */ +enum fcpio_status { + FCPIO_SUCCESS = 0, /* request was successful */ + + /* + * If a request to the firmware is rejected, the original request + * header will be returned with the status set to one of the following: + */ + FCPIO_INVALID_HEADER, /* header contains invalid data */ + FCPIO_OUT_OF_RESOURCE, /* out of resources to complete request */ + FCPIO_INVALID_PARAM, /* some parameter in request is invalid */ + FCPIO_REQ_NOT_SUPPORTED, /* request type is not supported */ + FCPIO_IO_NOT_FOUND, /* requested I/O was not found */ + + /* + * Once a request is processed, the firmware will usually return + * a cmpl message type. In cases where errors occurred, + * the header status field would be filled in with one of the following: + */ + FCPIO_ABORTED = 0x41, /* request was aborted */ + FCPIO_TIMEOUT, /* request was timed out */ + FCPIO_SGL_INVALID, /* request was aborted due to sgl error */ + FCPIO_MSS_INVALID, /* request was aborted due to mss error */ + FCPIO_DATA_CNT_MISMATCH, /* recv/sent more/less data than exp. */ + FCPIO_FW_ERR, /* request was terminated due to fw error */ + FCPIO_ITMF_REJECTED, /* itmf req was rejected by remote node */ + FCPIO_ITMF_FAILED, /* itmf req was failed by remote node */ + FCPIO_ITMF_INCORRECT_LUN, /* itmf req targeted incorrect LUN */ + FCPIO_CMND_REJECTED, /* request was invalid and rejected */ + FCPIO_NO_PATH_AVAIL, /* no paths to the lun was available */ + FCPIO_PATH_FAILED, /* i/o sent to current path failed */ + FCPIO_LUNMAP_CHNG_PEND, /* i/o rejected due to lunmap change */ +}; + +/* + * The header command tag. All host requests will use the "tag" field + * to mark commands with a unique tag. When the firmware responds to + * a host request, it will copy the tag field into the response. + * + * The only firmware requests that will use the rx_id/ox_id fields instead + * of the tag field will be the target command and target task management + * requests. These two requests do not have corresponding host requests + * since they come directly from the FC initiator on the network. + */ +struct fcpio_tag { + union { + u32 req_id; + struct { + u16 rx_id; + u16 ox_id; + } ex_id; + } u; +}; + +static inline void +fcpio_tag_id_enc(struct fcpio_tag *tag, u32 id) +{ + tag->u.req_id = id; +} + +static inline void +fcpio_tag_id_dec(struct fcpio_tag *tag, u32 *id) +{ + *id = tag->u.req_id; +} + +static inline void +fcpio_tag_exid_enc(struct fcpio_tag *tag, u16 ox_id, u16 rx_id) +{ + tag->u.ex_id.rx_id = rx_id; + tag->u.ex_id.ox_id = ox_id; +} + +static inline void +fcpio_tag_exid_dec(struct fcpio_tag *tag, u16 *ox_id, u16 *rx_id) +{ + *rx_id = tag->u.ex_id.rx_id; + *ox_id = tag->u.ex_id.ox_id; +} + +/* + * The header for an fcpio request, whether from the firmware or from the + * host driver + */ +struct fcpio_header { + u8 type; /* enum fcpio_type */ + u8 status; /* header status entry */ + u16 _resvd; /* reserved */ + struct fcpio_tag tag; /* header tag */ +}; + +static inline void +fcpio_header_enc(struct fcpio_header *hdr, + u8 type, u8 status, + struct fcpio_tag tag) +{ + hdr->type = type; + hdr->status = status; + hdr->_resvd = 0; + hdr->tag = tag; +} + +static inline void +fcpio_header_dec(struct fcpio_header *hdr, + u8 *type, u8 *status, + struct fcpio_tag *tag) +{ + *type = hdr->type; + *status = hdr->status; + *tag = hdr->tag; +} + +#define CDB_16 16 +#define CDB_32 32 +#define LUN_ADDRESS 8 + +/* + * fcpio_icmnd_16: host -> firmware request + * + * used for sending out an initiator SCSI 16-byte command + */ +struct fcpio_icmnd_16 { + u32 lunmap_id; /* index into lunmap table */ + u8 special_req_flags; /* special exchange request flags */ + u8 _resvd0[3]; /* reserved */ + u32 sgl_cnt; /* scatter-gather list count */ + u32 sense_len; /* sense buffer length */ + u64 sgl_addr; /* scatter-gather list addr */ + u64 sense_addr; /* sense buffer address */ + u8 crn; /* SCSI Command Reference No. */ + u8 pri_ta; /* SCSI Priority and Task attribute */ + u8 _resvd1; /* reserved: should be 0 */ + u8 flags; /* command flags */ + u8 scsi_cdb[CDB_16]; /* SCSI Cmnd Descriptor Block */ + u32 data_len; /* length of data expected */ + u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */ + u8 _resvd2; /* reserved */ + u8 d_id[3]; /* FC vNIC only: Target D_ID */ + u16 mss; /* FC vNIC only: max burst */ + u16 _resvd3; /* reserved */ + u32 r_a_tov; /* FC vNIC only: Res. Alloc Timeout */ + u32 e_d_tov; /* FC vNIC only: Err Detect Timeout */ +}; + +/* + * Special request flags + */ +#define FCPIO_ICMND_SRFLAG_RETRY 0x01 /* Enable Retry handling on exchange */ + +/* + * Priority/Task Attribute settings + */ +#define FCPIO_ICMND_PTA_SIMPLE 0 /* simple task attribute */ +#define FCPIO_ICMND_PTA_HEADQ 1 /* head of queue task attribute */ +#define FCPIO_ICMND_PTA_ORDERED 2 /* ordered task attribute */ +#define FCPIO_ICMND_PTA_ACA 4 /* auto contingent allegiance */ +#define FCPIO_ICMND_PRI_SHIFT 3 /* priority field starts in bit 3 */ + +/* + * Command flags + */ +#define FCPIO_ICMND_RDDATA 0x02 /* read data */ +#define FCPIO_ICMND_WRDATA 0x01 /* write data */ + +/* + * fcpio_icmnd_32: host -> firmware request + * + * used for sending out an initiator SCSI 32-byte command + */ +struct fcpio_icmnd_32 { + u32 lunmap_id; /* index into lunmap table */ + u8 special_req_flags; /* special exchange request flags */ + u8 _resvd0[3]; /* reserved */ + u32 sgl_cnt; /* scatter-gather list count */ + u32 sense_len; /* sense buffer length */ + u64 sgl_addr; /* scatter-gather list addr */ + u64 sense_addr; /* sense buffer address */ + u8 crn; /* SCSI Command Reference No. */ + u8 pri_ta; /* SCSI Priority and Task attribute */ + u8 _resvd1; /* reserved: should be 0 */ + u8 flags; /* command flags */ + u8 scsi_cdb[CDB_32]; /* SCSI Cmnd Descriptor Block */ + u32 data_len; /* length of data expected */ + u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */ + u8 _resvd2; /* reserved */ + u8 d_id[3]; /* FC vNIC only: Target D_ID */ + u16 mss; /* FC vNIC only: max burst */ + u16 _resvd3; /* reserved */ + u32 r_a_tov; /* FC vNIC only: Res. Alloc Timeout */ + u32 e_d_tov; /* FC vNIC only: Error Detect Timeout */ +}; + +/* + * fcpio_itmf: host -> firmware request + * + * used for requesting the firmware to abort a request and/or send out + * a task management function + * + * The t_tag field is only needed when the request type is ABT_TASK. + */ +struct fcpio_itmf { + u32 lunmap_id; /* index into lunmap table */ + u32 tm_req; /* SCSI Task Management request */ + u32 t_tag; /* header tag of fcpio to be aborted */ + u32 _resvd; /* _reserved */ + u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */ + u8 _resvd1; /* reserved */ + u8 d_id[3]; /* FC vNIC only: Target D_ID */ + u32 r_a_tov; /* FC vNIC only: R_A_TOV in msec */ + u32 e_d_tov; /* FC vNIC only: E_D_TOV in msec */ +}; + +/* + * Task Management request + */ +enum fcpio_itmf_tm_req_type { + FCPIO_ITMF_ABT_TASK_TERM = 0x01, /* abort task and terminate */ + FCPIO_ITMF_ABT_TASK, /* abort task and issue abts */ + FCPIO_ITMF_ABT_TASK_SET, /* abort task set */ + FCPIO_ITMF_CLR_TASK_SET, /* clear task set */ + FCPIO_ITMF_LUN_RESET, /* logical unit reset task mgmt */ + FCPIO_ITMF_CLR_ACA, /* Clear ACA condition */ +}; + +/* + * fcpio_tdata: host -> firmware request + * + * used for requesting the firmware to send out a read data transfer for a + * target command + */ +struct fcpio_tdata { + u16 rx_id; /* FC rx_id of target command */ + u16 flags; /* command flags */ + u32 rel_offset; /* data sequence relative offset */ + u32 sgl_cnt; /* scatter-gather list count */ + u32 data_len; /* length of data expected to send */ + u64 sgl_addr; /* scatter-gather list address */ +}; + +/* + * Command flags + */ +#define FCPIO_TDATA_SCSI_RSP 0x01 /* send a scsi resp. after last frame */ + +/* + * fcpio_txrdy: host -> firmware request + * + * used for requesting the firmware to send out a write data transfer for a + * target command + */ +struct fcpio_txrdy { + u16 rx_id; /* FC rx_id of target command */ + u16 _resvd0; /* reserved */ + u32 rel_offset; /* data sequence relative offset */ + u32 sgl_cnt; /* scatter-gather list count */ + u32 data_len; /* length of data expected to send */ + u64 sgl_addr; /* scatter-gather list address */ +}; + +/* + * fcpio_trsp: host -> firmware request + * + * used for requesting the firmware to send out a response for a target + * command + */ +struct fcpio_trsp { + u16 rx_id; /* FC rx_id of target command */ + u16 _resvd0; /* reserved */ + u32 sense_len; /* sense data buffer length */ + u64 sense_addr; /* sense data buffer address */ + u16 _resvd1; /* reserved */ + u8 flags; /* response request flags */ + u8 scsi_status; /* SCSI status */ + u32 residual; /* SCSI data residual value of I/O */ +}; + +/* + * resposnse request flags + */ +#define FCPIO_TRSP_RESID_UNDER 0x08 /* residual is valid and is underflow */ +#define FCPIO_TRSP_RESID_OVER 0x04 /* residual is valid and is overflow */ + +/* + * fcpio_ttmf_ack: host -> firmware response + * + * used by the host to indicate to the firmware it has received and processed + * the target tmf request + */ +struct fcpio_ttmf_ack { + u16 rx_id; /* FC rx_id of target command */ + u16 _resvd0; /* reserved */ + u32 tmf_status; /* SCSI task management status */ +}; + +/* + * fcpio_tabort: host -> firmware request + * + * used by the host to request the firmware to abort a target request that was + * received by the firmware + */ +struct fcpio_tabort { + u16 rx_id; /* rx_id of the target request */ +}; + +/* + * fcpio_reset: host -> firmware request + * + * used by the host to signal a reset of the driver to the firmware + * and to request firmware to clean up all outstanding I/O + */ +struct fcpio_reset { + u32 _resvd; +}; + +enum fcpio_flogi_reg_format_type { + FCPIO_FLOGI_REG_DEF_DEST = 0, /* Use the oui | s_id mac format */ + FCPIO_FLOGI_REG_GW_DEST, /* Use the fixed gateway mac */ +}; + +/* + * fcpio_flogi_reg: host -> firmware request + * + * fc vnic only + * used by the host to notify the firmware of the lif's s_id + * and destination mac address format + */ +struct fcpio_flogi_reg { + u8 format; + u8 s_id[3]; /* FC vNIC only: Source S_ID */ + u8 gateway_mac[ETH_ALEN]; /* Destination gateway mac */ + u16 _resvd; + u32 r_a_tov; /* R_A_TOV in msec */ + u32 e_d_tov; /* E_D_TOV in msec */ +}; + +/* + * fcpio_echo: host -> firmware request + * + * sends a heartbeat echo request to the firmware + */ +struct fcpio_echo { + u32 _resvd; +}; + +/* + * fcpio_lunmap_req: host -> firmware request + * + * scsi vnic only + * sends a request to retrieve the lunmap table for scsi vnics + */ +struct fcpio_lunmap_req { + u64 addr; /* address of the buffer */ + u32 len; /* len of the buffer */ +}; + +/* + * fcpio_flogi_fip_reg: host -> firmware request + * + * fc vnic only + * used by the host to notify the firmware of the lif's s_id + * and destination mac address format + */ +struct fcpio_flogi_fip_reg { + u8 _resvd0; + u8 s_id[3]; /* FC vNIC only: Source S_ID */ + u8 fcf_mac[ETH_ALEN]; /* FCF Target destination mac */ + u16 _resvd1; + u32 r_a_tov; /* R_A_TOV in msec */ + u32 e_d_tov; /* E_D_TOV in msec */ + u8 ha_mac[ETH_ALEN]; /* Host adapter source mac */ + u16 _resvd2; +}; + +/* + * Basic structure for all fcpio structures that are sent from the host to the + * firmware. They are 128 bytes per structure. + */ +#define FCPIO_HOST_REQ_LEN 128 /* expected length of host requests */ + +struct fcpio_host_req { + struct fcpio_header hdr; + + union { + /* + * Defines space needed for request + */ + u8 buf[FCPIO_HOST_REQ_LEN - sizeof(struct fcpio_header)]; + + /* + * Initiator host requests + */ + struct fcpio_icmnd_16 icmnd_16; + struct fcpio_icmnd_32 icmnd_32; + struct fcpio_itmf itmf; + + /* + * Target host requests + */ + struct fcpio_tdata tdata; + struct fcpio_txrdy txrdy; + struct fcpio_trsp trsp; + struct fcpio_ttmf_ack ttmf_ack; + struct fcpio_tabort tabort; + + /* + * Misc requests + */ + struct fcpio_reset reset; + struct fcpio_flogi_reg flogi_reg; + struct fcpio_echo echo; + struct fcpio_lunmap_req lunmap_req; + struct fcpio_flogi_fip_reg flogi_fip_reg; + } u; +}; + +/* + * fcpio_icmnd_cmpl: firmware -> host response + * + * used for sending the host a response to an initiator command + */ +struct fcpio_icmnd_cmpl { + u8 _resvd0[6]; /* reserved */ + u8 flags; /* response flags */ + u8 scsi_status; /* SCSI status */ + u32 residual; /* SCSI data residual length */ + u32 sense_len; /* SCSI sense length */ +}; + +/* + * response flags + */ +#define FCPIO_ICMND_CMPL_RESID_UNDER 0x08 /* resid under and valid */ +#define FCPIO_ICMND_CMPL_RESID_OVER 0x04 /* resid over and valid */ + +/* + * fcpio_itmf_cmpl: firmware -> host response + * + * used for sending the host a response for a itmf request + */ +struct fcpio_itmf_cmpl { + u32 _resvd; /* reserved */ +}; + +/* + * fcpio_tcmnd_16: firmware -> host request + * + * used by the firmware to notify the host of an incoming target SCSI 16-Byte + * request + */ +struct fcpio_tcmnd_16 { + u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */ + u8 crn; /* SCSI Command Reference No. */ + u8 pri_ta; /* SCSI Priority and Task attribute */ + u8 _resvd2; /* reserved: should be 0 */ + u8 flags; /* command flags */ + u8 scsi_cdb[CDB_16]; /* SCSI Cmnd Descriptor Block */ + u32 data_len; /* length of data expected */ + u8 _resvd1; /* reserved */ + u8 s_id[3]; /* FC vNIC only: Source S_ID */ +}; + +/* + * Priority/Task Attribute settings + */ +#define FCPIO_TCMND_PTA_SIMPLE 0 /* simple task attribute */ +#define FCPIO_TCMND_PTA_HEADQ 1 /* head of queue task attribute */ +#define FCPIO_TCMND_PTA_ORDERED 2 /* ordered task attribute */ +#define FCPIO_TCMND_PTA_ACA 4 /* auto contingent allegiance */ +#define FCPIO_TCMND_PRI_SHIFT 3 /* priority field starts in bit 3 */ + +/* + * Command flags + */ +#define FCPIO_TCMND_RDDATA 0x02 /* read data */ +#define FCPIO_TCMND_WRDATA 0x01 /* write data */ + +/* + * fcpio_tcmnd_32: firmware -> host request + * + * used by the firmware to notify the host of an incoming target SCSI 32-Byte + * request + */ +struct fcpio_tcmnd_32 { + u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */ + u8 crn; /* SCSI Command Reference No. */ + u8 pri_ta; /* SCSI Priority and Task attribute */ + u8 _resvd2; /* reserved: should be 0 */ + u8 flags; /* command flags */ + u8 scsi_cdb[CDB_32]; /* SCSI Cmnd Descriptor Block */ + u32 data_len; /* length of data expected */ + u8 _resvd0; /* reserved */ + u8 s_id[3]; /* FC vNIC only: Source S_ID */ +}; + +/* + * fcpio_tdrsp_cmpl: firmware -> host response + * + * used by the firmware to notify the host of a response to a host target + * command + */ +struct fcpio_tdrsp_cmpl { + u16 rx_id; /* rx_id of the target request */ + u16 _resvd0; /* reserved */ +}; + +/* + * fcpio_ttmf: firmware -> host request + * + * used by the firmware to notify the host of an incoming task management + * function request + */ +struct fcpio_ttmf { + u8 _resvd0; /* reserved */ + u8 s_id[3]; /* FC vNIC only: Source S_ID */ + u8 lun[LUN_ADDRESS]; /* FC vNIC only: LUN address */ + u8 crn; /* SCSI Command Reference No. */ + u8 _resvd2[3]; /* reserved */ + u32 tmf_type; /* task management request type */ +}; + +/* + * Task Management request + */ +#define FCPIO_TTMF_CLR_ACA 0x40 /* Clear ACA condition */ +#define FCPIO_TTMF_LUN_RESET 0x10 /* logical unit reset task mgmt */ +#define FCPIO_TTMF_CLR_TASK_SET 0x04 /* clear task set */ +#define FCPIO_TTMF_ABT_TASK_SET 0x02 /* abort task set */ +#define FCPIO_TTMF_ABT_TASK 0x01 /* abort task */ + +/* + * fcpio_tabort_cmpl: firmware -> host response + * + * used by the firmware to respond to a host's tabort request + */ +struct fcpio_tabort_cmpl { + u16 rx_id; /* rx_id of the target request */ + u16 _resvd0; /* reserved */ +}; + +/* + * fcpio_ack: firmware -> host response + * + * used by firmware to notify the host of the last work request received + */ +struct fcpio_ack { + u16 request_out; /* last host entry received */ + u16 _resvd; +}; + +/* + * fcpio_reset_cmpl: firmware -> host response + * + * use by firmware to respond to the host's reset request + */ +struct fcpio_reset_cmpl { + u16 vnic_id; +}; + +/* + * fcpio_flogi_reg_cmpl: firmware -> host response + * + * fc vnic only + * response to the fcpio_flogi_reg request + */ +struct fcpio_flogi_reg_cmpl { + u32 _resvd; +}; + +/* + * fcpio_echo_cmpl: firmware -> host response + * + * response to the fcpio_echo request + */ +struct fcpio_echo_cmpl { + u32 _resvd; +}; + +/* + * fcpio_lunmap_chng: firmware -> host notification + * + * scsi vnic only + * notifies the host that the lunmap tables have changed + */ +struct fcpio_lunmap_chng { + u32 _resvd; +}; + +/* + * fcpio_lunmap_req_cmpl: firmware -> host response + * + * scsi vnic only + * response for lunmap table request from the host + */ +struct fcpio_lunmap_req_cmpl { + u32 _resvd; +}; + +/* + * Basic structure for all fcpio structures that are sent from the firmware to + * the host. They are 64 bytes per structure. + */ +#define FCPIO_FW_REQ_LEN 64 /* expected length of fw requests */ +struct fcpio_fw_req { + struct fcpio_header hdr; + + union { + /* + * Defines space needed for request + */ + u8 buf[FCPIO_FW_REQ_LEN - sizeof(struct fcpio_header)]; + + /* + * Initiator firmware responses + */ + struct fcpio_icmnd_cmpl icmnd_cmpl; + struct fcpio_itmf_cmpl itmf_cmpl; + + /* + * Target firmware new requests + */ + struct fcpio_tcmnd_16 tcmnd_16; + struct fcpio_tcmnd_32 tcmnd_32; + + /* + * Target firmware responses + */ + struct fcpio_tdrsp_cmpl tdrsp_cmpl; + struct fcpio_ttmf ttmf; + struct fcpio_tabort_cmpl tabort_cmpl; + + /* + * Firmware response to work received + */ + struct fcpio_ack ack; + + /* + * Misc requests + */ + struct fcpio_reset_cmpl reset_cmpl; + struct fcpio_flogi_reg_cmpl flogi_reg_cmpl; + struct fcpio_echo_cmpl echo_cmpl; + struct fcpio_lunmap_chng lunmap_chng; + struct fcpio_lunmap_req_cmpl lunmap_req_cmpl; + } u; +}; + +/* + * Access routines to encode and decode the color bit, which is the most + * significant bit of the MSB of the structure + */ +static inline void fcpio_color_enc(struct fcpio_fw_req *fw_req, u8 color) +{ + u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1; + + if (color) + *c |= 0x80; + else + *c &= ~0x80; +} + +static inline void fcpio_color_dec(struct fcpio_fw_req *fw_req, u8 *color) +{ + u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1; + + *color = *c >> 7; + + /* + * Make sure color bit is read from desc *before* other fields + * are read from desc. Hardware guarantees color bit is last + * bit (byte) written. Adding the rmb() prevents the compiler + * and/or CPU from reordering the reads which would potentially + * result in reading stale values. + */ + + rmb(); + +} + +/* + * Lunmap table entry for scsi vnics + */ +#define FCPIO_LUNMAP_TABLE_SIZE 256 +#define FCPIO_FLAGS_LUNMAP_VALID 0x80 +#define FCPIO_FLAGS_BOOT 0x01 +struct fcpio_lunmap_entry { + u8 bus; + u8 target; + u8 lun; + u8 path_cnt; + u16 flags; + u16 update_cnt; +}; + +struct fcpio_lunmap_tbl { + u32 update_cnt; + struct fcpio_lunmap_entry lunmaps[FCPIO_LUNMAP_TABLE_SIZE]; +}; + +#endif /* _FCPIO_H_ */ diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h new file mode 100644 index 00000000000..e4c0a3d7d87 --- /dev/null +++ b/drivers/scsi/fnic/fnic.h @@ -0,0 +1,265 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _FNIC_H_ +#define _FNIC_H_ + +#include <linux/interrupt.h> +#include <linux/netdevice.h> +#include <linux/workqueue.h> +#include <scsi/libfc.h> +#include "fnic_io.h" +#include "fnic_res.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_wq_copy.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "vnic_scsi.h" + +#define DRV_NAME "fnic" +#define DRV_DESCRIPTION "Cisco FCoE HBA Driver" +#define DRV_VERSION "1.0.0.1121" +#define PFX DRV_NAME ": " +#define DFX DRV_NAME "%d: " + +#define DESC_CLEAN_LOW_WATERMARK 8 +#define FNIC_MAX_IO_REQ 2048 /* scsi_cmnd tag map entries */ +#define FNIC_IO_LOCKS 64 /* IO locks: power of 2 */ +#define FNIC_DFLT_QUEUE_DEPTH 32 +#define FNIC_STATS_RATE_LIMIT 4 /* limit rate at which stats are pulled up */ + +/* + * Tag bits used for special requests. + */ +#define BIT(nr) (1UL << (nr)) +#define FNIC_TAG_ABORT BIT(30) /* tag bit indicating abort */ +#define FNIC_TAG_DEV_RST BIT(29) /* indicates device reset */ +#define FNIC_TAG_MASK (BIT(24) - 1) /* mask for lookup */ +#define FNIC_NO_TAG -1 + +/* + * Usage of the scsi_cmnd scratchpad. + * These fields are locked by the hashed io_req_lock. + */ +#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) +#define CMD_STATE(Cmnd) ((Cmnd)->SCp.phase) +#define CMD_ABTS_STATUS(Cmnd) ((Cmnd)->SCp.Message) +#define CMD_LR_STATUS(Cmnd) ((Cmnd)->SCp.have_data_in) +#define CMD_TAG(Cmnd) ((Cmnd)->SCp.sent_command) + +#define FCPIO_INVALID_CODE 0x100 /* hdr_status value unused by firmware */ + +#define FNIC_LUN_RESET_TIMEOUT 10000 /* mSec */ +#define FNIC_HOST_RESET_TIMEOUT 10000 /* mSec */ +#define FNIC_RMDEVICE_TIMEOUT 1000 /* mSec */ +#define FNIC_HOST_RESET_SETTLE_TIME 30 /* Sec */ + +#define FNIC_MAX_FCP_TARGET 256 + +extern unsigned int fnic_log_level; + +#define FNIC_MAIN_LOGGING 0x01 +#define FNIC_FCS_LOGGING 0x02 +#define FNIC_SCSI_LOGGING 0x04 +#define FNIC_ISR_LOGGING 0x08 + +#define FNIC_CHECK_LOGGING(LEVEL, CMD) \ +do { \ + if (unlikely(fnic_log_level & LEVEL)) \ + do { \ + CMD; \ + } while (0); \ +} while (0) + +#define FNIC_MAIN_DBG(kern_level, host, fmt, args...) \ + FNIC_CHECK_LOGGING(FNIC_MAIN_LOGGING, \ + shost_printk(kern_level, host, fmt, ##args);) + +#define FNIC_FCS_DBG(kern_level, host, fmt, args...) \ + FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING, \ + shost_printk(kern_level, host, fmt, ##args);) + +#define FNIC_SCSI_DBG(kern_level, host, fmt, args...) \ + FNIC_CHECK_LOGGING(FNIC_SCSI_LOGGING, \ + shost_printk(kern_level, host, fmt, ##args);) + +#define FNIC_ISR_DBG(kern_level, host, fmt, args...) \ + FNIC_CHECK_LOGGING(FNIC_ISR_LOGGING, \ + shost_printk(kern_level, host, fmt, ##args);) + +extern const char *fnic_state_str[]; + +enum fnic_intx_intr_index { + FNIC_INTX_WQ_RQ_COPYWQ, + FNIC_INTX_ERR, + FNIC_INTX_NOTIFY, + FNIC_INTX_INTR_MAX, +}; + +enum fnic_msix_intr_index { + FNIC_MSIX_RQ, + FNIC_MSIX_WQ, + FNIC_MSIX_WQ_COPY, + FNIC_MSIX_ERR_NOTIFY, + FNIC_MSIX_INTR_MAX, +}; + +struct fnic_msix_entry { + int requested; + char devname[IFNAMSIZ]; + irqreturn_t (*isr)(int, void *); + void *devid; +}; + +enum fnic_state { + FNIC_IN_FC_MODE = 0, + FNIC_IN_FC_TRANS_ETH_MODE, + FNIC_IN_ETH_MODE, + FNIC_IN_ETH_TRANS_FC_MODE, +}; + +#define FNIC_WQ_COPY_MAX 1 +#define FNIC_WQ_MAX 1 +#define FNIC_RQ_MAX 1 +#define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX) + +struct mempool; + +/* Per-instance private data structure */ +struct fnic { + struct fc_lport *lport; + struct vnic_dev_bar bar0; + + struct msix_entry msix_entry[FNIC_MSIX_INTR_MAX]; + struct fnic_msix_entry msix[FNIC_MSIX_INTR_MAX]; + + struct vnic_stats *stats; + unsigned long stats_time; /* time of stats update */ + struct vnic_nic_cfg *nic_cfg; + char name[IFNAMSIZ]; + struct timer_list notify_timer; /* used for MSI interrupts */ + + unsigned int err_intr_offset; + unsigned int link_intr_offset; + + unsigned int wq_count; + unsigned int cq_count; + + u32 fcoui_mode:1; /* use fcoui address*/ + u32 vlan_hw_insert:1; /* let hw insert the tag */ + u32 in_remove:1; /* fnic device in removal */ + u32 stop_rx_link_events:1; /* stop proc. rx frames, link events */ + + struct completion *remove_wait; /* device remove thread blocks */ + + struct fc_frame *flogi; + struct fc_frame *flogi_resp; + u16 flogi_oxid; + unsigned long s_id; + enum fnic_state state; + spinlock_t fnic_lock; + + u16 vlan_id; /* VLAN tag including priority */ + u8 mac_addr[ETH_ALEN]; + u8 dest_addr[ETH_ALEN]; + u8 data_src_addr[ETH_ALEN]; + u64 fcp_input_bytes; /* internal statistic */ + u64 fcp_output_bytes; /* internal statistic */ + u32 link_down_cnt; + int link_status; + + struct list_head list; + struct pci_dev *pdev; + struct vnic_fc_config config; + struct vnic_dev *vdev; + unsigned int raw_wq_count; + unsigned int wq_copy_count; + unsigned int rq_count; + int fw_ack_index[FNIC_WQ_COPY_MAX]; + unsigned short fw_ack_recd[FNIC_WQ_COPY_MAX]; + unsigned short wq_copy_desc_low[FNIC_WQ_COPY_MAX]; + unsigned int intr_count; + u32 __iomem *legacy_pba; + struct fnic_host_tag *tags; + mempool_t *io_req_pool; + mempool_t *io_sgl_pool[FNIC_SGL_NUM_CACHES]; + spinlock_t io_req_lock[FNIC_IO_LOCKS]; /* locks for scsi cmnds */ + + struct work_struct link_work; + struct work_struct frame_work; + struct sk_buff_head frame_queue; + + /* copy work queue cache line section */ + ____cacheline_aligned struct vnic_wq_copy wq_copy[FNIC_WQ_COPY_MAX]; + /* completion queue cache line section */ + ____cacheline_aligned struct vnic_cq cq[FNIC_CQ_MAX]; + + spinlock_t wq_copy_lock[FNIC_WQ_COPY_MAX]; + + /* work queue cache line section */ + ____cacheline_aligned struct vnic_wq wq[FNIC_WQ_MAX]; + spinlock_t wq_lock[FNIC_WQ_MAX]; + + /* receive queue cache line section */ + ____cacheline_aligned struct vnic_rq rq[FNIC_RQ_MAX]; + + /* interrupt resource cache line section */ + ____cacheline_aligned struct vnic_intr intr[FNIC_MSIX_INTR_MAX]; +}; + +extern struct workqueue_struct *fnic_event_queue; +extern struct device_attribute *fnic_attrs[]; + +void fnic_clear_intr_mode(struct fnic *fnic); +int fnic_set_intr_mode(struct fnic *fnic); +void fnic_free_intr(struct fnic *fnic); +int fnic_request_intr(struct fnic *fnic); + +int fnic_send(struct fc_lport *, struct fc_frame *); +void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf); +void fnic_handle_frame(struct work_struct *work); +void fnic_handle_link(struct work_struct *work); +int fnic_rq_cmpl_handler(struct fnic *fnic, int); +int fnic_alloc_rq_frame(struct vnic_rq *rq); +void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf); +int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp); + +int fnic_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *)); +int fnic_abort_cmd(struct scsi_cmnd *); +int fnic_device_reset(struct scsi_cmnd *); +int fnic_host_reset(struct scsi_cmnd *); +int fnic_reset(struct Scsi_Host *); +void fnic_scsi_cleanup(struct fc_lport *); +void fnic_scsi_abort_io(struct fc_lport *); +void fnic_empty_scsi_cleanup(struct fc_lport *); +void fnic_exch_mgr_reset(struct fc_lport *, u32, u32); +int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int); +int fnic_wq_cmpl_handler(struct fnic *fnic, int); +int fnic_flogi_reg_handler(struct fnic *fnic); +void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, + struct fcpio_host_req *desc); +int fnic_fw_reset_handler(struct fnic *fnic); +void fnic_terminate_rport_io(struct fc_rport *); +const char *fnic_state_to_str(unsigned int state); + +void fnic_log_q_error(struct fnic *fnic); +void fnic_handle_link_event(struct fnic *fnic); + +#endif /* _FNIC_H_ */ diff --git a/drivers/scsi/fnic/fnic_attrs.c b/drivers/scsi/fnic/fnic_attrs.c new file mode 100644 index 00000000000..aea0c3becfd --- /dev/null +++ b/drivers/scsi/fnic/fnic_attrs.c @@ -0,0 +1,56 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <linux/string.h> +#include <linux/device.h> +#include <scsi/scsi_host.h> +#include "fnic.h" + +static ssize_t fnic_show_state(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct fc_lport *lp = shost_priv(class_to_shost(dev)); + struct fnic *fnic = lport_priv(lp); + + return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]); +} + +static ssize_t fnic_show_drv_version(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION); +} + +static ssize_t fnic_show_link_state(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct fc_lport *lp = shost_priv(class_to_shost(dev)); + + return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up) + ? "Link Up" : "Link Down"); +} + +static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL); +static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL); +static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL); + +struct device_attribute *fnic_attrs[] = { + &dev_attr_fnic_state, + &dev_attr_drv_version, + &dev_attr_link_state, + NULL, +}; diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c new file mode 100644 index 00000000000..07e6eedb83c --- /dev/null +++ b/drivers/scsi/fnic/fnic_fcs.c @@ -0,0 +1,742 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/skbuff.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/if_ether.h> +#include <linux/if_vlan.h> +#include <linux/workqueue.h> +#include <scsi/fc/fc_els.h> +#include <scsi/fc/fc_fcoe.h> +#include <scsi/fc_frame.h> +#include <scsi/libfc.h> +#include "fnic_io.h" +#include "fnic.h" +#include "cq_enet_desc.h" +#include "cq_exch_desc.h" + +struct workqueue_struct *fnic_event_queue; + +void fnic_handle_link(struct work_struct *work) +{ + struct fnic *fnic = container_of(work, struct fnic, link_work); + unsigned long flags; + int old_link_status; + u32 old_link_down_cnt; + + spin_lock_irqsave(&fnic->fnic_lock, flags); + + if (fnic->stop_rx_link_events) { + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + return; + } + + old_link_down_cnt = fnic->link_down_cnt; + old_link_status = fnic->link_status; + fnic->link_status = vnic_dev_link_status(fnic->vdev); + fnic->link_down_cnt = vnic_dev_link_down_cnt(fnic->vdev); + + if (old_link_status == fnic->link_status) { + if (!fnic->link_status) + /* DOWN -> DOWN */ + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + else { + if (old_link_down_cnt != fnic->link_down_cnt) { + /* UP -> DOWN -> UP */ + fnic->lport->host_stats.link_failure_count++; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, + "link down\n"); + fc_linkdown(fnic->lport); + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, + "link up\n"); + fc_linkup(fnic->lport); + } else + /* UP -> UP */ + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + } + } else if (fnic->link_status) { + /* DOWN -> UP */ + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link up\n"); + fc_linkup(fnic->lport); + } else { + /* UP -> DOWN */ + fnic->lport->host_stats.link_failure_count++; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link down\n"); + fc_linkdown(fnic->lport); + } + +} + +/* + * This function passes incoming fabric frames to libFC + */ +void fnic_handle_frame(struct work_struct *work) +{ + struct fnic *fnic = container_of(work, struct fnic, frame_work); + struct fc_lport *lp = fnic->lport; + unsigned long flags; + struct sk_buff *skb; + struct fc_frame *fp; + + while ((skb = skb_dequeue(&fnic->frame_queue))) { + + spin_lock_irqsave(&fnic->fnic_lock, flags); + if (fnic->stop_rx_link_events) { + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + dev_kfree_skb(skb); + return; + } + fp = (struct fc_frame *)skb; + /* if Flogi resp frame, register the address */ + if (fr_flags(fp)) { + vnic_dev_add_addr(fnic->vdev, + fnic->data_src_addr); + fr_flags(fp) = 0; + } + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + fc_exch_recv(lp, lp->emp, fp); + } + +} + +static inline void fnic_import_rq_fc_frame(struct sk_buff *skb, + u32 len, u8 sof, u8 eof) +{ + struct fc_frame *fp = (struct fc_frame *)skb; + + skb_trim(skb, len); + fr_eof(fp) = eof; + fr_sof(fp) = sof; +} + + +static inline int fnic_import_rq_eth_pkt(struct sk_buff *skb, u32 len) +{ + struct fc_frame *fp; + struct ethhdr *eh; + struct vlan_ethhdr *vh; + struct fcoe_hdr *fcoe_hdr; + struct fcoe_crc_eof *ft; + u32 transport_len = 0; + + eh = (struct ethhdr *)skb->data; + vh = (struct vlan_ethhdr *)skb->data; + if (vh->h_vlan_proto == htons(ETH_P_8021Q) && + vh->h_vlan_encapsulated_proto == htons(ETH_P_FCOE)) { + skb_pull(skb, sizeof(struct vlan_ethhdr)); + transport_len += sizeof(struct vlan_ethhdr); + } else if (eh->h_proto == htons(ETH_P_FCOE)) { + transport_len += sizeof(struct ethhdr); + skb_pull(skb, sizeof(struct ethhdr)); + } else + return -1; + + fcoe_hdr = (struct fcoe_hdr *)skb->data; + if (FC_FCOE_DECAPS_VER(fcoe_hdr) != FC_FCOE_VER) + return -1; + + fp = (struct fc_frame *)skb; + fc_frame_init(fp); + fr_sof(fp) = fcoe_hdr->fcoe_sof; + skb_pull(skb, sizeof(struct fcoe_hdr)); + transport_len += sizeof(struct fcoe_hdr); + + ft = (struct fcoe_crc_eof *)(skb->data + len - + transport_len - sizeof(*ft)); + fr_eof(fp) = ft->fcoe_eof; + skb_trim(skb, len - transport_len - sizeof(*ft)); + return 0; +} + +static inline int fnic_handle_flogi_resp(struct fnic *fnic, + struct fc_frame *fp) +{ + u8 mac[ETH_ALEN] = FC_FCOE_FLOGI_MAC; + struct ethhdr *eth_hdr; + struct fc_frame_header *fh; + int ret = 0; + unsigned long flags; + struct fc_frame *old_flogi_resp = NULL; + + fh = (struct fc_frame_header *)fr_hdr(fp); + + spin_lock_irqsave(&fnic->fnic_lock, flags); + + if (fnic->state == FNIC_IN_ETH_MODE) { + + /* + * Check if oxid matches on taking the lock. A new Flogi + * issued by libFC might have changed the fnic cached oxid + */ + if (fnic->flogi_oxid != ntohs(fh->fh_ox_id)) { + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, + "Flogi response oxid not" + " matching cached oxid, dropping frame" + "\n"); + ret = -1; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + dev_kfree_skb_irq(fp_skb(fp)); + goto handle_flogi_resp_end; + } + + /* Drop older cached flogi response frame, cache this frame */ + old_flogi_resp = fnic->flogi_resp; + fnic->flogi_resp = fp; + fnic->flogi_oxid = FC_XID_UNKNOWN; + + /* + * this frame is part of flogi get the src mac addr from this + * frame if the src mac is fcoui based then we mark the + * address mode flag to use fcoui base for dst mac addr + * otherwise we have to store the fcoe gateway addr + */ + eth_hdr = (struct ethhdr *)skb_mac_header(fp_skb(fp)); + memcpy(mac, eth_hdr->h_source, ETH_ALEN); + + if (ntoh24(mac) == FC_FCOE_OUI) + fnic->fcoui_mode = 1; + else { + fnic->fcoui_mode = 0; + memcpy(fnic->dest_addr, mac, ETH_ALEN); + } + + /* + * Except for Flogi frame, all outbound frames from us have the + * Eth Src address as FC_FCOE_OUI"our_sid". Flogi frame uses + * the vnic MAC address as the Eth Src address + */ + fc_fcoe_set_mac(fnic->data_src_addr, fh->fh_d_id); + + /* We get our s_id from the d_id of the flogi resp frame */ + fnic->s_id = ntoh24(fh->fh_d_id); + + /* Change state to reflect transition from Eth to FC mode */ + fnic->state = FNIC_IN_ETH_TRANS_FC_MODE; + + } else { + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, + "Unexpected fnic state %s while" + " processing flogi resp\n", + fnic_state_to_str(fnic->state)); + ret = -1; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + dev_kfree_skb_irq(fp_skb(fp)); + goto handle_flogi_resp_end; + } + + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + /* Drop older cached frame */ + if (old_flogi_resp) + dev_kfree_skb_irq(fp_skb(old_flogi_resp)); + + /* + * send flogi reg request to firmware, this will put the fnic in + * in FC mode + */ + ret = fnic_flogi_reg_handler(fnic); + + if (ret < 0) { + int free_fp = 1; + spin_lock_irqsave(&fnic->fnic_lock, flags); + /* + * free the frame is some other thread is not + * pointing to it + */ + if (fnic->flogi_resp != fp) + free_fp = 0; + else + fnic->flogi_resp = NULL; + + if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE) + fnic->state = FNIC_IN_ETH_MODE; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + if (free_fp) + dev_kfree_skb_irq(fp_skb(fp)); + } + + handle_flogi_resp_end: + return ret; +} + +/* Returns 1 for a response that matches cached flogi oxid */ +static inline int is_matching_flogi_resp_frame(struct fnic *fnic, + struct fc_frame *fp) +{ + struct fc_frame_header *fh; + int ret = 0; + u32 f_ctl; + + fh = fc_frame_header_get(fp); + f_ctl = ntoh24(fh->fh_f_ctl); + + if (fnic->flogi_oxid == ntohs(fh->fh_ox_id) && + fh->fh_r_ctl == FC_RCTL_ELS_REP && + (f_ctl & (FC_FC_EX_CTX | FC_FC_SEQ_CTX)) == FC_FC_EX_CTX && + fh->fh_type == FC_TYPE_ELS) + ret = 1; + + return ret; +} + +static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq, struct cq_desc + *cq_desc, struct vnic_rq_buf *buf, + int skipped __attribute__((unused)), + void *opaque) +{ + struct fnic *fnic = vnic_dev_priv(rq->vdev); + struct sk_buff *skb; + struct fc_frame *fp; + unsigned int eth_hdrs_stripped; + u8 type, color, eop, sop, ingress_port, vlan_stripped; + u8 fcoe = 0, fcoe_sof, fcoe_eof; + u8 fcoe_fc_crc_ok = 1, fcoe_enc_error = 0; + u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok; + u8 ipv6, ipv4, ipv4_fragment, rss_type, csum_not_calc; + u8 fcs_ok = 1, packet_error = 0; + u16 q_number, completed_index, bytes_written = 0, vlan, checksum; + u32 rss_hash; + u16 exchange_id, tmpl; + u8 sof = 0; + u8 eof = 0; + u32 fcp_bytes_written = 0; + unsigned long flags; + + pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len, + PCI_DMA_FROMDEVICE); + skb = buf->os_buf; + buf->os_buf = NULL; + + cq_desc_dec(cq_desc, &type, &color, &q_number, &completed_index); + if (type == CQ_DESC_TYPE_RQ_FCP) { + cq_fcp_rq_desc_dec((struct cq_fcp_rq_desc *)cq_desc, + &type, &color, &q_number, &completed_index, + &eop, &sop, &fcoe_fc_crc_ok, &exchange_id, + &tmpl, &fcp_bytes_written, &sof, &eof, + &ingress_port, &packet_error, + &fcoe_enc_error, &fcs_ok, &vlan_stripped, + &vlan); + eth_hdrs_stripped = 1; + + } else if (type == CQ_DESC_TYPE_RQ_ENET) { + cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc, + &type, &color, &q_number, &completed_index, + &ingress_port, &fcoe, &eop, &sop, + &rss_type, &csum_not_calc, &rss_hash, + &bytes_written, &packet_error, + &vlan_stripped, &vlan, &checksum, + &fcoe_sof, &fcoe_fc_crc_ok, + &fcoe_enc_error, &fcoe_eof, + &tcp_udp_csum_ok, &udp, &tcp, + &ipv4_csum_ok, &ipv6, &ipv4, + &ipv4_fragment, &fcs_ok); + eth_hdrs_stripped = 0; + + } else { + /* wrong CQ type*/ + shost_printk(KERN_ERR, fnic->lport->host, + "fnic rq_cmpl wrong cq type x%x\n", type); + goto drop; + } + + if (!fcs_ok || packet_error || !fcoe_fc_crc_ok || fcoe_enc_error) { + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, + "fnic rq_cmpl fcoe x%x fcsok x%x" + " pkterr x%x fcoe_fc_crc_ok x%x, fcoe_enc_err" + " x%x\n", + fcoe, fcs_ok, packet_error, + fcoe_fc_crc_ok, fcoe_enc_error); + goto drop; + } + + if (eth_hdrs_stripped) + fnic_import_rq_fc_frame(skb, fcp_bytes_written, sof, eof); + else if (fnic_import_rq_eth_pkt(skb, bytes_written)) + goto drop; + + fp = (struct fc_frame *)skb; + + /* + * If frame is an ELS response that matches the cached FLOGI OX_ID, + * and is accept, issue flogi_reg_request copy wq request to firmware + * to register the S_ID and determine whether FC_OUI mode or GW mode. + */ + if (is_matching_flogi_resp_frame(fnic, fp)) { + if (!eth_hdrs_stripped) { + if (fc_frame_payload_op(fp) == ELS_LS_ACC) { + fnic_handle_flogi_resp(fnic, fp); + return; + } + /* + * Recd. Flogi reject. No point registering + * with fw, but forward to libFC + */ + goto forward; + } + goto drop; + } + if (!eth_hdrs_stripped) + goto drop; + +forward: + spin_lock_irqsave(&fnic->fnic_lock, flags); + if (fnic->stop_rx_link_events) { + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + goto drop; + } + /* Use fr_flags to indicate whether succ. flogi resp or not */ + fr_flags(fp) = 0; + fr_dev(fp) = fnic->lport; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + skb_queue_tail(&fnic->frame_queue, skb); + queue_work(fnic_event_queue, &fnic->frame_work); + + return; +drop: + dev_kfree_skb_irq(skb); +} + +static int fnic_rq_cmpl_handler_cont(struct vnic_dev *vdev, + struct cq_desc *cq_desc, u8 type, + u16 q_number, u16 completed_index, + void *opaque) +{ + struct fnic *fnic = vnic_dev_priv(vdev); + + vnic_rq_service(&fnic->rq[q_number], cq_desc, completed_index, + VNIC_RQ_RETURN_DESC, fnic_rq_cmpl_frame_recv, + NULL); + return 0; +} + +int fnic_rq_cmpl_handler(struct fnic *fnic, int rq_work_to_do) +{ + unsigned int tot_rq_work_done = 0, cur_work_done; + unsigned int i; + int err; + + for (i = 0; i < fnic->rq_count; i++) { + cur_work_done = vnic_cq_service(&fnic->cq[i], rq_work_to_do, + fnic_rq_cmpl_handler_cont, + NULL); + if (cur_work_done) { + err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame); + if (err) + shost_printk(KERN_ERR, fnic->lport->host, + "fnic_alloc_rq_frame cant alloc" + " frame\n"); + } + tot_rq_work_done += cur_work_done; + } + + return tot_rq_work_done; +} + +/* + * This function is called once at init time to allocate and fill RQ + * buffers. Subsequently, it is called in the interrupt context after RQ + * buffer processing to replenish the buffers in the RQ + */ +int fnic_alloc_rq_frame(struct vnic_rq *rq) +{ + struct fnic *fnic = vnic_dev_priv(rq->vdev); + struct sk_buff *skb; + u16 len; + dma_addr_t pa; + + len = FC_FRAME_HEADROOM + FC_MAX_FRAME + FC_FRAME_TAILROOM; + skb = dev_alloc_skb(len); + if (!skb) { + FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, + "Unable to allocate RQ sk_buff\n"); + return -ENOMEM; + } + skb_reset_mac_header(skb); + skb_reset_transport_header(skb); + skb_reset_network_header(skb); + skb_put(skb, len); + pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE); + fnic_queue_rq_desc(rq, skb, pa, len); + return 0; +} + +void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf) +{ + struct fc_frame *fp = buf->os_buf; + struct fnic *fnic = vnic_dev_priv(rq->vdev); + + pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len, + PCI_DMA_FROMDEVICE); + + dev_kfree_skb(fp_skb(fp)); + buf->os_buf = NULL; +} + +static inline int is_flogi_frame(struct fc_frame_header *fh) +{ + return fh->fh_r_ctl == FC_RCTL_ELS_REQ && *(u8 *)(fh + 1) == ELS_FLOGI; +} + +int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp) +{ + struct vnic_wq *wq = &fnic->wq[0]; + struct sk_buff *skb; + dma_addr_t pa; + struct ethhdr *eth_hdr; + struct vlan_ethhdr *vlan_hdr; + struct fcoe_hdr *fcoe_hdr; + struct fc_frame_header *fh; + u32 tot_len, eth_hdr_len; + int ret = 0; + unsigned long flags; + + fh = fc_frame_header_get(fp); + skb = fp_skb(fp); + + if (!fnic->vlan_hw_insert) { + eth_hdr_len = sizeof(*vlan_hdr) + sizeof(*fcoe_hdr); + vlan_hdr = (struct vlan_ethhdr *)skb_push(skb, eth_hdr_len); + eth_hdr = (struct ethhdr *)vlan_hdr; + vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q); + vlan_hdr->h_vlan_encapsulated_proto = htons(ETH_P_FCOE); + vlan_hdr->h_vlan_TCI = htons(fnic->vlan_id); + fcoe_hdr = (struct fcoe_hdr *)(vlan_hdr + 1); + } else { + eth_hdr_len = sizeof(*eth_hdr) + sizeof(*fcoe_hdr); + eth_hdr = (struct ethhdr *)skb_push(skb, eth_hdr_len); + eth_hdr->h_proto = htons(ETH_P_FCOE); + fcoe_hdr = (struct fcoe_hdr *)(eth_hdr + 1); + } + + if (is_flogi_frame(fh)) { + fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id); + memcpy(eth_hdr->h_source, fnic->mac_addr, ETH_ALEN); + } else { + if (fnic->fcoui_mode) + fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id); + else + memcpy(eth_hdr->h_dest, fnic->dest_addr, ETH_ALEN); + memcpy(eth_hdr->h_source, fnic->data_src_addr, ETH_ALEN); + } + + tot_len = skb->len; + BUG_ON(tot_len % 4); + + memset(fcoe_hdr, 0, sizeof(*fcoe_hdr)); + fcoe_hdr->fcoe_sof = fr_sof(fp); + if (FC_FCOE_VER) + FC_FCOE_ENCAPS_VER(fcoe_hdr, FC_FCOE_VER); + + pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE); + + spin_lock_irqsave(&fnic->wq_lock[0], flags); + + if (!vnic_wq_desc_avail(wq)) { + pci_unmap_single(fnic->pdev, pa, + tot_len, PCI_DMA_TODEVICE); + ret = -1; + goto fnic_send_frame_end; + } + + fnic_queue_wq_desc(wq, skb, pa, tot_len, fr_eof(fp), + fnic->vlan_hw_insert, fnic->vlan_id, 1, 1, 1); +fnic_send_frame_end: + spin_unlock_irqrestore(&fnic->wq_lock[0], flags); + + if (ret) + dev_kfree_skb_any(fp_skb(fp)); + + return ret; +} + +/* + * fnic_send + * Routine to send a raw frame + */ +int fnic_send(struct fc_lport *lp, struct fc_frame *fp) +{ + struct fnic *fnic = lport_priv(lp); + struct fc_frame_header *fh; + int ret = 0; + enum fnic_state old_state; + unsigned long flags; + struct fc_frame *old_flogi = NULL; + struct fc_frame *old_flogi_resp = NULL; + + if (fnic->in_remove) { + dev_kfree_skb(fp_skb(fp)); + ret = -1; + goto fnic_send_end; + } + + fh = fc_frame_header_get(fp); + /* if not an Flogi frame, send it out, this is the common case */ + if (!is_flogi_frame(fh)) + return fnic_send_frame(fnic, fp); + + /* Flogi frame, now enter the state machine */ + + spin_lock_irqsave(&fnic->fnic_lock, flags); +again: + /* Get any old cached frames, free them after dropping lock */ + old_flogi = fnic->flogi; + fnic->flogi = NULL; + old_flogi_resp = fnic->flogi_resp; + fnic->flogi_resp = NULL; + + fnic->flogi_oxid = FC_XID_UNKNOWN; + + old_state = fnic->state; + switch (old_state) { + case FNIC_IN_FC_MODE: + case FNIC_IN_ETH_TRANS_FC_MODE: + default: + fnic->state = FNIC_IN_FC_TRANS_ETH_MODE; + vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr); + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + if (old_flogi) { + dev_kfree_skb(fp_skb(old_flogi)); + old_flogi = NULL; + } + if (old_flogi_resp) { + dev_kfree_skb(fp_skb(old_flogi_resp)); + old_flogi_resp = NULL; + } + + ret = fnic_fw_reset_handler(fnic); + + spin_lock_irqsave(&fnic->fnic_lock, flags); + if (fnic->state != FNIC_IN_FC_TRANS_ETH_MODE) + goto again; + if (ret) { + fnic->state = old_state; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + dev_kfree_skb(fp_skb(fp)); + goto fnic_send_end; + } + old_flogi = fnic->flogi; + fnic->flogi = fp; + fnic->flogi_oxid = ntohs(fh->fh_ox_id); + old_flogi_resp = fnic->flogi_resp; + fnic->flogi_resp = NULL; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + break; + + case FNIC_IN_FC_TRANS_ETH_MODE: + /* + * A reset is pending with the firmware. Store the flogi + * and its oxid. The transition out of this state happens + * only when Firmware completes the reset, either with + * success or failed. If success, transition to + * FNIC_IN_ETH_MODE, if fail, then transition to + * FNIC_IN_FC_MODE + */ + fnic->flogi = fp; + fnic->flogi_oxid = ntohs(fh->fh_ox_id); + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + break; + + case FNIC_IN_ETH_MODE: + /* + * The fw/hw is already in eth mode. Store the oxid, + * and send the flogi frame out. The transition out of this + * state happens only we receive flogi response from the + * network, and the oxid matches the cached oxid when the + * flogi frame was sent out. If they match, then we issue + * a flogi_reg request and transition to state + * FNIC_IN_ETH_TRANS_FC_MODE + */ + fnic->flogi_oxid = ntohs(fh->fh_ox_id); + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + ret = fnic_send_frame(fnic, fp); + break; + } + +fnic_send_end: + if (old_flogi) + dev_kfree_skb(fp_skb(old_flogi)); + if (old_flogi_resp) + dev_kfree_skb(fp_skb(old_flogi_resp)); + return ret; +} + +static void fnic_wq_complete_frame_send(struct vnic_wq *wq, + struct cq_desc *cq_desc, + struct vnic_wq_buf *buf, void *opaque) +{ + struct sk_buff *skb = buf->os_buf; + struct fc_frame *fp = (struct fc_frame *)skb; + struct fnic *fnic = vnic_dev_priv(wq->vdev); + + pci_unmap_single(fnic->pdev, buf->dma_addr, + buf->len, PCI_DMA_TODEVICE); + dev_kfree_skb_irq(fp_skb(fp)); + buf->os_buf = NULL; +} + +static int fnic_wq_cmpl_handler_cont(struct vnic_dev *vdev, + struct cq_desc *cq_desc, u8 type, + u16 q_number, u16 completed_index, + void *opaque) +{ + struct fnic *fnic = vnic_dev_priv(vdev); + unsigned long flags; + + spin_lock_irqsave(&fnic->wq_lock[q_number], flags); + vnic_wq_service(&fnic->wq[q_number], cq_desc, completed_index, + fnic_wq_complete_frame_send, NULL); + spin_unlock_irqrestore(&fnic->wq_lock[q_number], flags); + + return 0; +} + +int fnic_wq_cmpl_handler(struct fnic *fnic, int work_to_do) +{ + unsigned int wq_work_done = 0; + unsigned int i; + + for (i = 0; i < fnic->raw_wq_count; i++) { + wq_work_done += vnic_cq_service(&fnic->cq[fnic->rq_count+i], + work_to_do, + fnic_wq_cmpl_handler_cont, + NULL); + } + + return wq_work_done; +} + + +void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf) +{ + struct fc_frame *fp = buf->os_buf; + struct fnic *fnic = vnic_dev_priv(wq->vdev); + + pci_unmap_single(fnic->pdev, buf->dma_addr, + buf->len, PCI_DMA_TODEVICE); + + dev_kfree_skb(fp_skb(fp)); + buf->os_buf = NULL; +} diff --git a/drivers/scsi/fnic/fnic_io.h b/drivers/scsi/fnic/fnic_io.h new file mode 100644 index 00000000000..f0b896988cd --- /dev/null +++ b/drivers/scsi/fnic/fnic_io.h @@ -0,0 +1,67 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _FNIC_IO_H_ +#define _FNIC_IO_H_ + +#include <scsi/fc/fc_fcp.h> + +#define FNIC_DFLT_SG_DESC_CNT 32 +#define FNIC_MAX_SG_DESC_CNT 1024 /* Maximum descriptors per sgl */ +#define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */ + +struct host_sg_desc { + __le64 addr; + __le32 len; + u32 _resvd; +}; + +struct fnic_dflt_sgl_list { + struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT]; +}; + +struct fnic_sgl_list { + struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT]; +}; + +enum fnic_sgl_list_type { + FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */ + FNIC_SGL_CACHE_MAX, /* cache with max size sgl */ + FNIC_SGL_NUM_CACHES /* number of sgl caches */ +}; + +enum fnic_ioreq_state { + FNIC_IOREQ_CMD_PENDING = 0, + FNIC_IOREQ_ABTS_PENDING, + FNIC_IOREQ_ABTS_COMPLETE, + FNIC_IOREQ_CMD_COMPLETE, +}; + +struct fnic_io_req { + struct host_sg_desc *sgl_list; /* sgl list */ + void *sgl_list_alloc; /* sgl list address used for free */ + dma_addr_t sense_buf_pa; /* dma address for sense buffer*/ + dma_addr_t sgl_list_pa; /* dma address for sgl list */ + u16 sgl_cnt; + u8 sgl_type; /* device DMA descriptor list type */ + u8 io_completed:1; /* set to 1 when fw completes IO */ + u32 port_id; /* remote port DID */ + struct completion *abts_done; /* completion for abts */ + struct completion *dr_done; /* completion for device reset */ +}; + +#endif /* _FNIC_IO_H_ */ diff --git a/drivers/scsi/fnic/fnic_isr.c b/drivers/scsi/fnic/fnic_isr.c new file mode 100644 index 00000000000..2b3064828ae --- /dev/null +++ b/drivers/scsi/fnic/fnic_isr.c @@ -0,0 +1,332 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <scsi/libfc.h> +#include <scsi/fc_frame.h> +#include "vnic_dev.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "fnic_io.h" +#include "fnic.h" + +static irqreturn_t fnic_isr_legacy(int irq, void *data) +{ + struct fnic *fnic = data; + u32 pba; + unsigned long work_done = 0; + + pba = vnic_intr_legacy_pba(fnic->legacy_pba); + if (!pba) + return IRQ_NONE; + + if (pba & (1 << FNIC_INTX_NOTIFY)) { + vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_NOTIFY]); + fnic_handle_link_event(fnic); + } + + if (pba & (1 << FNIC_INTX_ERR)) { + vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_ERR]); + fnic_log_q_error(fnic); + } + + if (pba & (1 << FNIC_INTX_WQ_RQ_COPYWQ)) { + work_done += fnic_wq_copy_cmpl_handler(fnic, 8); + work_done += fnic_wq_cmpl_handler(fnic, 4); + work_done += fnic_rq_cmpl_handler(fnic, 4); + + vnic_intr_return_credits(&fnic->intr[FNIC_INTX_WQ_RQ_COPYWQ], + work_done, + 1 /* unmask intr */, + 1 /* reset intr timer */); + } + + return IRQ_HANDLED; +} + +static irqreturn_t fnic_isr_msi(int irq, void *data) +{ + struct fnic *fnic = data; + unsigned long work_done = 0; + + work_done += fnic_wq_copy_cmpl_handler(fnic, 8); + work_done += fnic_wq_cmpl_handler(fnic, 4); + work_done += fnic_rq_cmpl_handler(fnic, 4); + + vnic_intr_return_credits(&fnic->intr[0], + work_done, + 1 /* unmask intr */, + 1 /* reset intr timer */); + + return IRQ_HANDLED; +} + +static irqreturn_t fnic_isr_msix_rq(int irq, void *data) +{ + struct fnic *fnic = data; + unsigned long rq_work_done = 0; + + rq_work_done = fnic_rq_cmpl_handler(fnic, 4); + vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_RQ], + rq_work_done, + 1 /* unmask intr */, + 1 /* reset intr timer */); + + return IRQ_HANDLED; +} + +static irqreturn_t fnic_isr_msix_wq(int irq, void *data) +{ + struct fnic *fnic = data; + unsigned long wq_work_done = 0; + + wq_work_done = fnic_wq_cmpl_handler(fnic, 4); + vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ], + wq_work_done, + 1 /* unmask intr */, + 1 /* reset intr timer */); + return IRQ_HANDLED; +} + +static irqreturn_t fnic_isr_msix_wq_copy(int irq, void *data) +{ + struct fnic *fnic = data; + unsigned long wq_copy_work_done = 0; + + wq_copy_work_done = fnic_wq_copy_cmpl_handler(fnic, 8); + vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ_COPY], + wq_copy_work_done, + 1 /* unmask intr */, + 1 /* reset intr timer */); + return IRQ_HANDLED; +} + +static irqreturn_t fnic_isr_msix_err_notify(int irq, void *data) +{ + struct fnic *fnic = data; + + vnic_intr_return_all_credits(&fnic->intr[FNIC_MSIX_ERR_NOTIFY]); + fnic_log_q_error(fnic); + fnic_handle_link_event(fnic); + + return IRQ_HANDLED; +} + +void fnic_free_intr(struct fnic *fnic) +{ + int i; + + switch (vnic_dev_get_intr_mode(fnic->vdev)) { + case VNIC_DEV_INTR_MODE_INTX: + case VNIC_DEV_INTR_MODE_MSI: + free_irq(fnic->pdev->irq, fnic); + break; + + case VNIC_DEV_INTR_MODE_MSIX: + for (i = 0; i < ARRAY_SIZE(fnic->msix); i++) + if (fnic->msix[i].requested) + free_irq(fnic->msix_entry[i].vector, + fnic->msix[i].devid); + break; + + default: + break; + } +} + +int fnic_request_intr(struct fnic *fnic) +{ + int err = 0; + int i; + + switch (vnic_dev_get_intr_mode(fnic->vdev)) { + + case VNIC_DEV_INTR_MODE_INTX: + err = request_irq(fnic->pdev->irq, &fnic_isr_legacy, + IRQF_SHARED, DRV_NAME, fnic); + break; + + case VNIC_DEV_INTR_MODE_MSI: + err = request_irq(fnic->pdev->irq, &fnic_isr_msi, + 0, fnic->name, fnic); + break; + + case VNIC_DEV_INTR_MODE_MSIX: + + sprintf(fnic->msix[FNIC_MSIX_RQ].devname, + "%.11s-fcs-rq", fnic->name); + fnic->msix[FNIC_MSIX_RQ].isr = fnic_isr_msix_rq; + fnic->msix[FNIC_MSIX_RQ].devid = fnic; + + sprintf(fnic->msix[FNIC_MSIX_WQ].devname, + "%.11s-fcs-wq", fnic->name); + fnic->msix[FNIC_MSIX_WQ].isr = fnic_isr_msix_wq; + fnic->msix[FNIC_MSIX_WQ].devid = fnic; + + sprintf(fnic->msix[FNIC_MSIX_WQ_COPY].devname, + "%.11s-scsi-wq", fnic->name); + fnic->msix[FNIC_MSIX_WQ_COPY].isr = fnic_isr_msix_wq_copy; + fnic->msix[FNIC_MSIX_WQ_COPY].devid = fnic; + + sprintf(fnic->msix[FNIC_MSIX_ERR_NOTIFY].devname, + "%.11s-err-notify", fnic->name); + fnic->msix[FNIC_MSIX_ERR_NOTIFY].isr = + fnic_isr_msix_err_notify; + fnic->msix[FNIC_MSIX_ERR_NOTIFY].devid = fnic; + + for (i = 0; i < ARRAY_SIZE(fnic->msix); i++) { + err = request_irq(fnic->msix_entry[i].vector, + fnic->msix[i].isr, 0, + fnic->msix[i].devname, + fnic->msix[i].devid); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "MSIX: request_irq" + " failed %d\n", err); + fnic_free_intr(fnic); + break; + } + fnic->msix[i].requested = 1; + } + break; + + default: + break; + } + + return err; +} + +int fnic_set_intr_mode(struct fnic *fnic) +{ + unsigned int n = ARRAY_SIZE(fnic->rq); + unsigned int m = ARRAY_SIZE(fnic->wq); + unsigned int o = ARRAY_SIZE(fnic->wq_copy); + unsigned int i; + + /* + * Set interrupt mode (INTx, MSI, MSI-X) depending + * system capabilities. + * + * Try MSI-X first + * + * We need n RQs, m WQs, o Copy WQs, n+m+o CQs, and n+m+o+1 INTRs + * (last INTR is used for WQ/RQ errors and notification area) + */ + + BUG_ON(ARRAY_SIZE(fnic->msix_entry) < n + m + o + 1); + for (i = 0; i < n + m + o + 1; i++) + fnic->msix_entry[i].entry = i; + + if (fnic->rq_count >= n && + fnic->raw_wq_count >= m && + fnic->wq_copy_count >= o && + fnic->cq_count >= n + m + o) { + if (!pci_enable_msix(fnic->pdev, fnic->msix_entry, + n + m + o + 1)) { + fnic->rq_count = n; + fnic->raw_wq_count = m; + fnic->wq_copy_count = o; + fnic->wq_count = m + o; + fnic->cq_count = n + m + o; + fnic->intr_count = n + m + o + 1; + fnic->err_intr_offset = FNIC_MSIX_ERR_NOTIFY; + + FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host, + "Using MSI-X Interrupts\n"); + vnic_dev_set_intr_mode(fnic->vdev, + VNIC_DEV_INTR_MODE_MSIX); + return 0; + } + } + + /* + * Next try MSI + * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 1 INTR + */ + if (fnic->rq_count >= 1 && + fnic->raw_wq_count >= 1 && + fnic->wq_copy_count >= 1 && + fnic->cq_count >= 3 && + fnic->intr_count >= 1 && + !pci_enable_msi(fnic->pdev)) { + + fnic->rq_count = 1; + fnic->raw_wq_count = 1; + fnic->wq_copy_count = 1; + fnic->wq_count = 2; + fnic->cq_count = 3; + fnic->intr_count = 1; + fnic->err_intr_offset = 0; + + FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host, + "Using MSI Interrupts\n"); + vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_MSI); + + return 0; + } + + /* + * Next try INTx + * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 3 INTRs + * 1 INTR is used for all 3 queues, 1 INTR for queue errors + * 1 INTR for notification area + */ + + if (fnic->rq_count >= 1 && + fnic->raw_wq_count >= 1 && + fnic->wq_copy_count >= 1 && + fnic->cq_count >= 3 && + fnic->intr_count >= 3) { + + fnic->rq_count = 1; + fnic->raw_wq_count = 1; + fnic->wq_copy_count = 1; + fnic->cq_count = 3; + fnic->intr_count = 3; + + FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host, + "Using Legacy Interrupts\n"); + vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX); + + return 0; + } + + vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN); + + return -EINVAL; +} + +void fnic_clear_intr_mode(struct fnic *fnic) +{ + switch (vnic_dev_get_intr_mode(fnic->vdev)) { + case VNIC_DEV_INTR_MODE_MSIX: + pci_disable_msix(fnic->pdev); + break; + case VNIC_DEV_INTR_MODE_MSI: + pci_disable_msi(fnic->pdev); + break; + default: + break; + } + + vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX); +} + diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c new file mode 100644 index 00000000000..32ef6b87d89 --- /dev/null +++ b/drivers/scsi/fnic/fnic_main.c @@ -0,0 +1,942 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <linux/module.h> +#include <linux/mempool.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/skbuff.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_transport.h> +#include <scsi/scsi_transport_fc.h> +#include <scsi/scsi_tcq.h> +#include <scsi/libfc.h> +#include <scsi/fc_frame.h> + +#include "vnic_dev.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "fnic_io.h" +#include "fnic.h" + +#define PCI_DEVICE_ID_CISCO_FNIC 0x0045 + +/* Timer to poll notification area for events. Used for MSI interrupts */ +#define FNIC_NOTIFY_TIMER_PERIOD (2 * HZ) + +static struct kmem_cache *fnic_sgl_cache[FNIC_SGL_NUM_CACHES]; +static struct kmem_cache *fnic_io_req_cache; +LIST_HEAD(fnic_list); +DEFINE_SPINLOCK(fnic_list_lock); + +/* Supported devices by fnic module */ +static struct pci_device_id fnic_id_table[] = { + { PCI_DEVICE(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_FNIC) }, + { 0, } +}; + +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_AUTHOR("Abhijeet Joglekar <abjoglek@cisco.com>, " + "Joseph R. Eykholt <jeykholt@cisco.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_VERSION(DRV_VERSION); +MODULE_DEVICE_TABLE(pci, fnic_id_table); + +unsigned int fnic_log_level; +module_param(fnic_log_level, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels"); + + +static struct libfc_function_template fnic_transport_template = { + .frame_send = fnic_send, + .fcp_abort_io = fnic_empty_scsi_cleanup, + .fcp_cleanup = fnic_empty_scsi_cleanup, + .exch_mgr_reset = fnic_exch_mgr_reset +}; + +static int fnic_slave_alloc(struct scsi_device *sdev) +{ + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); + struct fc_lport *lp = shost_priv(sdev->host); + struct fnic *fnic = lport_priv(lp); + + sdev->tagged_supported = 1; + + if (!rport || fc_remote_port_chkready(rport)) + return -ENXIO; + + scsi_activate_tcq(sdev, FNIC_DFLT_QUEUE_DEPTH); + rport->dev_loss_tmo = fnic->config.port_down_timeout / 1000; + + return 0; +} + +static struct scsi_host_template fnic_host_template = { + .module = THIS_MODULE, + .name = DRV_NAME, + .queuecommand = fnic_queuecommand, + .eh_abort_handler = fnic_abort_cmd, + .eh_device_reset_handler = fnic_device_reset, + .eh_host_reset_handler = fnic_host_reset, + .slave_alloc = fnic_slave_alloc, + .change_queue_depth = fc_change_queue_depth, + .change_queue_type = fc_change_queue_type, + .this_id = -1, + .cmd_per_lun = 3, + .can_queue = FNIC_MAX_IO_REQ, + .use_clustering = ENABLE_CLUSTERING, + .sg_tablesize = FNIC_MAX_SG_DESC_CNT, + .max_sectors = 0xffff, + .shost_attrs = fnic_attrs, +}; + +static void fnic_get_host_speed(struct Scsi_Host *shost); +static struct scsi_transport_template *fnic_fc_transport; +static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *); + +static struct fc_function_template fnic_fc_functions = { + + .show_host_node_name = 1, + .show_host_port_name = 1, + .show_host_supported_classes = 1, + .show_host_supported_fc4s = 1, + .show_host_active_fc4s = 1, + .show_host_maxframe_size = 1, + .show_host_port_id = 1, + .show_host_supported_speeds = 1, + .get_host_speed = fnic_get_host_speed, + .show_host_speed = 1, + .show_host_port_type = 1, + .get_host_port_state = fc_get_host_port_state, + .show_host_port_state = 1, + .show_host_symbolic_name = 1, + .show_rport_maxframe_size = 1, + .show_rport_supported_classes = 1, + .show_host_fabric_name = 1, + .show_starget_node_name = 1, + .show_starget_port_name = 1, + .show_starget_port_id = 1, + .show_rport_dev_loss_tmo = 1, + .issue_fc_host_lip = fnic_reset, + .get_fc_host_stats = fnic_get_stats, + .dd_fcrport_size = sizeof(struct fc_rport_libfc_priv), + .terminate_rport_io = fnic_terminate_rport_io, +}; + +static void fnic_get_host_speed(struct Scsi_Host *shost) +{ + struct fc_lport *lp = shost_priv(shost); + struct fnic *fnic = lport_priv(lp); + u32 port_speed = vnic_dev_port_speed(fnic->vdev); + + /* Add in other values as they get defined in fw */ + switch (port_speed) { + case 10000: + fc_host_speed(shost) = FC_PORTSPEED_10GBIT; + break; + default: + fc_host_speed(shost) = FC_PORTSPEED_10GBIT; + break; + } +} + +static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *host) +{ + int ret; + struct fc_lport *lp = shost_priv(host); + struct fnic *fnic = lport_priv(lp); + struct fc_host_statistics *stats = &lp->host_stats; + struct vnic_stats *vs; + unsigned long flags; + + if (time_before(jiffies, fnic->stats_time + HZ / FNIC_STATS_RATE_LIMIT)) + return stats; + fnic->stats_time = jiffies; + + spin_lock_irqsave(&fnic->fnic_lock, flags); + ret = vnic_dev_stats_dump(fnic->vdev, &fnic->stats); + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + if (ret) { + FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host, + "fnic: Get vnic stats failed" + " 0x%x", ret); + return stats; + } + vs = fnic->stats; + stats->tx_frames = vs->tx.tx_unicast_frames_ok; + stats->tx_words = vs->tx.tx_unicast_bytes_ok / 4; + stats->rx_frames = vs->rx.rx_unicast_frames_ok; + stats->rx_words = vs->rx.rx_unicast_bytes_ok / 4; + stats->error_frames = vs->tx.tx_errors + vs->rx.rx_errors; + stats->dumped_frames = vs->tx.tx_drops + vs->rx.rx_drop; + stats->invalid_crc_count = vs->rx.rx_crc_errors; + stats->seconds_since_last_reset = (jiffies - lp->boot_time) / HZ; + stats->fcp_input_megabytes = div_u64(fnic->fcp_input_bytes, 1000000); + stats->fcp_output_megabytes = div_u64(fnic->fcp_output_bytes, 1000000); + + return stats; +} + +void fnic_log_q_error(struct fnic *fnic) +{ + unsigned int i; + u32 error_status; + + for (i = 0; i < fnic->raw_wq_count; i++) { + error_status = ioread32(&fnic->wq[i].ctrl->error_status); + if (error_status) + shost_printk(KERN_ERR, fnic->lport->host, + "WQ[%d] error_status" + " %d\n", i, error_status); + } + + for (i = 0; i < fnic->rq_count; i++) { + error_status = ioread32(&fnic->rq[i].ctrl->error_status); + if (error_status) + shost_printk(KERN_ERR, fnic->lport->host, + "RQ[%d] error_status" + " %d\n", i, error_status); + } + + for (i = 0; i < fnic->wq_copy_count; i++) { + error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status); + if (error_status) + shost_printk(KERN_ERR, fnic->lport->host, + "CWQ[%d] error_status" + " %d\n", i, error_status); + } +} + +void fnic_handle_link_event(struct fnic *fnic) +{ + unsigned long flags; + + spin_lock_irqsave(&fnic->fnic_lock, flags); + if (fnic->stop_rx_link_events) { + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + return; + } + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + queue_work(fnic_event_queue, &fnic->link_work); + +} + +static int fnic_notify_set(struct fnic *fnic) +{ + int err; + + switch (vnic_dev_get_intr_mode(fnic->vdev)) { + case VNIC_DEV_INTR_MODE_INTX: + err = vnic_dev_notify_set(fnic->vdev, FNIC_INTX_NOTIFY); + break; + case VNIC_DEV_INTR_MODE_MSI: + err = vnic_dev_notify_set(fnic->vdev, -1); + break; + case VNIC_DEV_INTR_MODE_MSIX: + err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY); + break; + default: + shost_printk(KERN_ERR, fnic->lport->host, + "Interrupt mode should be set up" + " before devcmd notify set %d\n", + vnic_dev_get_intr_mode(fnic->vdev)); + err = -1; + break; + } + + return err; +} + +static void fnic_notify_timer(unsigned long data) +{ + struct fnic *fnic = (struct fnic *)data; + + fnic_handle_link_event(fnic); + mod_timer(&fnic->notify_timer, + round_jiffies(jiffies + FNIC_NOTIFY_TIMER_PERIOD)); +} + +static void fnic_notify_timer_start(struct fnic *fnic) +{ + switch (vnic_dev_get_intr_mode(fnic->vdev)) { + case VNIC_DEV_INTR_MODE_MSI: + /* + * Schedule first timeout immediately. The driver is + * initiatialized and ready to look for link up notification + */ + mod_timer(&fnic->notify_timer, jiffies); + break; + default: + /* Using intr for notification for INTx/MSI-X */ + break; + }; +} + +static int fnic_dev_wait(struct vnic_dev *vdev, + int (*start)(struct vnic_dev *, int), + int (*finished)(struct vnic_dev *, int *), + int arg) +{ + unsigned long time; + int done; + int err; + + err = start(vdev, arg); + if (err) + return err; + + /* Wait for func to complete...2 seconds max */ + time = jiffies + (HZ * 2); + do { + err = finished(vdev, &done); + if (err) + return err; + if (done) + return 0; + schedule_timeout_uninterruptible(HZ / 10); + } while (time_after(time, jiffies)); + + return -ETIMEDOUT; +} + +static int fnic_cleanup(struct fnic *fnic) +{ + unsigned int i; + int err; + unsigned long flags; + struct fc_frame *flogi = NULL; + struct fc_frame *flogi_resp = NULL; + + vnic_dev_disable(fnic->vdev); + for (i = 0; i < fnic->intr_count; i++) + vnic_intr_mask(&fnic->intr[i]); + + for (i = 0; i < fnic->rq_count; i++) { + err = vnic_rq_disable(&fnic->rq[i]); + if (err) + return err; + } + for (i = 0; i < fnic->raw_wq_count; i++) { + err = vnic_wq_disable(&fnic->wq[i]); + if (err) + return err; + } + for (i = 0; i < fnic->wq_copy_count; i++) { + err = vnic_wq_copy_disable(&fnic->wq_copy[i]); + if (err) + return err; + } + + /* Clean up completed IOs and FCS frames */ + fnic_wq_copy_cmpl_handler(fnic, -1); + fnic_wq_cmpl_handler(fnic, -1); + fnic_rq_cmpl_handler(fnic, -1); + + /* Clean up the IOs and FCS frames that have not completed */ + for (i = 0; i < fnic->raw_wq_count; i++) + vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf); + for (i = 0; i < fnic->rq_count; i++) + vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf); + for (i = 0; i < fnic->wq_copy_count; i++) + vnic_wq_copy_clean(&fnic->wq_copy[i], + fnic_wq_copy_cleanup_handler); + + for (i = 0; i < fnic->cq_count; i++) + vnic_cq_clean(&fnic->cq[i]); + for (i = 0; i < fnic->intr_count; i++) + vnic_intr_clean(&fnic->intr[i]); + + /* + * Remove cached flogi and flogi resp frames if any + * These frames are not in any queue, and therefore queue + * cleanup does not clean them. So clean them explicitly + */ + spin_lock_irqsave(&fnic->fnic_lock, flags); + flogi = fnic->flogi; + fnic->flogi = NULL; + flogi_resp = fnic->flogi_resp; + fnic->flogi_resp = NULL; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + if (flogi) + dev_kfree_skb(fp_skb(flogi)); + + if (flogi_resp) + dev_kfree_skb(fp_skb(flogi_resp)); + + mempool_destroy(fnic->io_req_pool); + for (i = 0; i < FNIC_SGL_NUM_CACHES; i++) + mempool_destroy(fnic->io_sgl_pool[i]); + + return 0; +} + +static void fnic_iounmap(struct fnic *fnic) +{ + if (fnic->bar0.vaddr) + iounmap(fnic->bar0.vaddr); +} + +/* + * Allocate element for mempools requiring GFP_DMA flag. + * Otherwise, checks in kmem_flagcheck() hit BUG_ON(). + */ +static void *fnic_alloc_slab_dma(gfp_t gfp_mask, void *pool_data) +{ + struct kmem_cache *mem = pool_data; + + return kmem_cache_alloc(mem, gfp_mask | GFP_ATOMIC | GFP_DMA); +} + +static int __devinit fnic_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct Scsi_Host *host; + struct fc_lport *lp; + struct fnic *fnic; + mempool_t *pool; + int err; + int i; + unsigned long flags; + + /* + * Allocate SCSI Host and set up association between host, + * local port, and fnic + */ + host = scsi_host_alloc(&fnic_host_template, + sizeof(struct fc_lport) + sizeof(struct fnic)); + if (!host) { + printk(KERN_ERR PFX "Unable to alloc SCSI host\n"); + err = -ENOMEM; + goto err_out; + } + lp = shost_priv(host); + lp->host = host; + fnic = lport_priv(lp); + fnic->lport = lp; + + snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME, + host->host_no); + + host->transportt = fnic_fc_transport; + + err = scsi_init_shared_tag_map(host, FNIC_MAX_IO_REQ); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Unable to alloc shared tag map\n"); + goto err_out_free_hba; + } + + /* Setup PCI resources */ + pci_set_drvdata(pdev, fnic); + + fnic->pdev = pdev; + + err = pci_enable_device(pdev); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Cannot enable PCI device, aborting.\n"); + goto err_out_free_hba; + } + + err = pci_request_regions(pdev, DRV_NAME); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Cannot enable PCI resources, aborting\n"); + goto err_out_disable_device; + } + + pci_set_master(pdev); + + /* Query PCI controller on system for DMA addressing + * limitation for the device. Try 40-bit first, and + * fail to 32-bit. + */ + err = pci_set_dma_mask(pdev, DMA_40BIT_MASK); + if (err) { + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "No usable DMA configuration " + "aborting\n"); + goto err_out_release_regions; + } + err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Unable to obtain 32-bit DMA " + "for consistent allocations, aborting.\n"); + goto err_out_release_regions; + } + } else { + err = pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Unable to obtain 40-bit DMA " + "for consistent allocations, aborting.\n"); + goto err_out_release_regions; + } + } + + /* Map vNIC resources from BAR0 */ + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + shost_printk(KERN_ERR, fnic->lport->host, + "BAR0 not memory-map'able, aborting.\n"); + err = -ENODEV; + goto err_out_release_regions; + } + + fnic->bar0.vaddr = pci_iomap(pdev, 0, 0); + fnic->bar0.bus_addr = pci_resource_start(pdev, 0); + fnic->bar0.len = pci_resource_len(pdev, 0); + + if (!fnic->bar0.vaddr) { + shost_printk(KERN_ERR, fnic->lport->host, + "Cannot memory-map BAR0 res hdr, " + "aborting.\n"); + err = -ENODEV; + goto err_out_release_regions; + } + + fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0); + if (!fnic->vdev) { + shost_printk(KERN_ERR, fnic->lport->host, + "vNIC registration failed, " + "aborting.\n"); + err = -ENODEV; + goto err_out_iounmap; + } + + err = fnic_dev_wait(fnic->vdev, vnic_dev_open, + vnic_dev_open_done, 0); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "vNIC dev open failed, aborting.\n"); + goto err_out_vnic_unregister; + } + + err = vnic_dev_init(fnic->vdev, 0); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "vNIC dev init failed, aborting.\n"); + goto err_out_dev_close; + } + + err = vnic_dev_mac_addr(fnic->vdev, fnic->mac_addr); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "vNIC get MAC addr failed \n"); + goto err_out_dev_close; + } + + /* Get vNIC configuration */ + err = fnic_get_vnic_config(fnic); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Get vNIC configuration failed, " + "aborting.\n"); + goto err_out_dev_close; + } + host->max_lun = fnic->config.luns_per_tgt; + host->max_id = FNIC_MAX_FCP_TARGET; + + fnic_get_res_counts(fnic); + + err = fnic_set_intr_mode(fnic); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Failed to set intr mode, " + "aborting.\n"); + goto err_out_dev_close; + } + + err = fnic_request_intr(fnic); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Unable to request irq.\n"); + goto err_out_clear_intr; + } + + err = fnic_alloc_vnic_resources(fnic); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Failed to alloc vNIC resources, " + "aborting.\n"); + goto err_out_free_intr; + } + + + /* initialize all fnic locks */ + spin_lock_init(&fnic->fnic_lock); + + for (i = 0; i < FNIC_WQ_MAX; i++) + spin_lock_init(&fnic->wq_lock[i]); + + for (i = 0; i < FNIC_WQ_COPY_MAX; i++) { + spin_lock_init(&fnic->wq_copy_lock[i]); + fnic->wq_copy_desc_low[i] = DESC_CLEAN_LOW_WATERMARK; + fnic->fw_ack_recd[i] = 0; + fnic->fw_ack_index[i] = -1; + } + + for (i = 0; i < FNIC_IO_LOCKS; i++) + spin_lock_init(&fnic->io_req_lock[i]); + + fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache); + if (!fnic->io_req_pool) + goto err_out_free_resources; + + pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab, + fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]); + if (!pool) + goto err_out_free_ioreq_pool; + fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT] = pool; + + pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab, + fnic_sgl_cache[FNIC_SGL_CACHE_MAX]); + if (!pool) + goto err_out_free_dflt_pool; + fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX] = pool; + + /* setup vlan config, hw inserts vlan header */ + fnic->vlan_hw_insert = 1; + fnic->vlan_id = 0; + + fnic->flogi_oxid = FC_XID_UNKNOWN; + fnic->flogi = NULL; + fnic->flogi_resp = NULL; + fnic->state = FNIC_IN_FC_MODE; + + /* Enable hardware stripping of vlan header on ingress */ + fnic_set_nic_config(fnic, 0, 0, 0, 0, 0, 0, 1); + + /* Setup notification buffer area */ + err = fnic_notify_set(fnic); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "Failed to alloc notify buffer, aborting.\n"); + goto err_out_free_max_pool; + } + + /* Setup notify timer when using MSI interrupts */ + if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI) + setup_timer(&fnic->notify_timer, + fnic_notify_timer, (unsigned long)fnic); + + /* allocate RQ buffers and post them to RQ*/ + for (i = 0; i < fnic->rq_count; i++) { + err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "fnic_alloc_rq_frame can't alloc " + "frame\n"); + goto err_out_free_rq_buf; + } + } + + /* + * Initialization done with PCI system, hardware, firmware. + * Add host to SCSI + */ + err = scsi_add_host(lp->host, &pdev->dev); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "fnic: scsi_add_host failed...exiting\n"); + goto err_out_free_rq_buf; + } + + /* Start local port initiatialization */ + + lp->link_up = 0; + lp->tt = fnic_transport_template; + + lp->emp = fc_exch_mgr_alloc(lp, FC_CLASS_3, + FCPIO_HOST_EXCH_RANGE_START, + FCPIO_HOST_EXCH_RANGE_END); + if (!lp->emp) { + err = -ENOMEM; + goto err_out_remove_scsi_host; + } + + lp->max_retry_count = fnic->config.flogi_retries; + lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS | + FCP_SPPF_CONF_COMPL); + if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR) + lp->service_params |= FCP_SPPF_RETRY; + + lp->boot_time = jiffies; + lp->e_d_tov = fnic->config.ed_tov; + lp->r_a_tov = fnic->config.ra_tov; + lp->link_supported_speeds = FC_PORTSPEED_10GBIT; + fc_set_wwnn(lp, fnic->config.node_wwn); + fc_set_wwpn(lp, fnic->config.port_wwn); + + fc_exch_init(lp); + fc_lport_init(lp); + fc_elsct_init(lp); + fc_rport_init(lp); + fc_disc_init(lp); + + fc_lport_config(lp); + + if (fc_set_mfs(lp, fnic->config.maxdatafieldsize + + sizeof(struct fc_frame_header))) { + err = -EINVAL; + goto err_out_free_exch_mgr; + } + fc_host_maxframe_size(lp->host) = lp->mfs; + + sprintf(fc_host_symbolic_name(lp->host), + DRV_NAME " v" DRV_VERSION " over %s", fnic->name); + + spin_lock_irqsave(&fnic_list_lock, flags); + list_add_tail(&fnic->list, &fnic_list); + spin_unlock_irqrestore(&fnic_list_lock, flags); + + INIT_WORK(&fnic->link_work, fnic_handle_link); + INIT_WORK(&fnic->frame_work, fnic_handle_frame); + skb_queue_head_init(&fnic->frame_queue); + + /* Enable all queues */ + for (i = 0; i < fnic->raw_wq_count; i++) + vnic_wq_enable(&fnic->wq[i]); + for (i = 0; i < fnic->rq_count; i++) + vnic_rq_enable(&fnic->rq[i]); + for (i = 0; i < fnic->wq_copy_count; i++) + vnic_wq_copy_enable(&fnic->wq_copy[i]); + + fc_fabric_login(lp); + + vnic_dev_enable(fnic->vdev); + for (i = 0; i < fnic->intr_count; i++) + vnic_intr_unmask(&fnic->intr[i]); + + fnic_notify_timer_start(fnic); + + return 0; + +err_out_free_exch_mgr: + fc_exch_mgr_free(lp->emp); +err_out_remove_scsi_host: + fc_remove_host(fnic->lport->host); + scsi_remove_host(fnic->lport->host); +err_out_free_rq_buf: + for (i = 0; i < fnic->rq_count; i++) + vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf); + vnic_dev_notify_unset(fnic->vdev); +err_out_free_max_pool: + mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]); +err_out_free_dflt_pool: + mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT]); +err_out_free_ioreq_pool: + mempool_destroy(fnic->io_req_pool); +err_out_free_resources: + fnic_free_vnic_resources(fnic); +err_out_free_intr: + fnic_free_intr(fnic); +err_out_clear_intr: + fnic_clear_intr_mode(fnic); +err_out_dev_close: + vnic_dev_close(fnic->vdev); +err_out_vnic_unregister: + vnic_dev_unregister(fnic->vdev); +err_out_iounmap: + fnic_iounmap(fnic); +err_out_release_regions: + pci_release_regions(pdev); +err_out_disable_device: + pci_disable_device(pdev); +err_out_free_hba: + scsi_host_put(lp->host); +err_out: + return err; +} + +static void __devexit fnic_remove(struct pci_dev *pdev) +{ + struct fnic *fnic = pci_get_drvdata(pdev); + unsigned long flags; + + /* + * Mark state so that the workqueue thread stops forwarding + * received frames and link events to the local port. ISR and + * other threads that can queue work items will also stop + * creating work items on the fnic workqueue + */ + spin_lock_irqsave(&fnic->fnic_lock, flags); + fnic->stop_rx_link_events = 1; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI) + del_timer_sync(&fnic->notify_timer); + + /* + * Flush the fnic event queue. After this call, there should + * be no event queued for this fnic device in the workqueue + */ + flush_workqueue(fnic_event_queue); + skb_queue_purge(&fnic->frame_queue); + + /* + * Log off the fabric. This stops all remote ports, dns port, + * logs off the fabric. This flushes all rport, disc, lport work + * before returning + */ + fc_fabric_logoff(fnic->lport); + + spin_lock_irqsave(&fnic->fnic_lock, flags); + fnic->in_remove = 1; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + fc_lport_destroy(fnic->lport); + + /* + * This stops the fnic device, masks all interrupts. Completed + * CQ entries are drained. Posted WQ/RQ/Copy-WQ entries are + * cleaned up + */ + fnic_cleanup(fnic); + + BUG_ON(!skb_queue_empty(&fnic->frame_queue)); + + spin_lock_irqsave(&fnic_list_lock, flags); + list_del(&fnic->list); + spin_unlock_irqrestore(&fnic_list_lock, flags); + + fc_remove_host(fnic->lport->host); + scsi_remove_host(fnic->lport->host); + fc_exch_mgr_free(fnic->lport->emp); + vnic_dev_notify_unset(fnic->vdev); + fnic_free_vnic_resources(fnic); + fnic_free_intr(fnic); + fnic_clear_intr_mode(fnic); + vnic_dev_close(fnic->vdev); + vnic_dev_unregister(fnic->vdev); + fnic_iounmap(fnic); + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + scsi_host_put(fnic->lport->host); +} + +static struct pci_driver fnic_driver = { + .name = DRV_NAME, + .id_table = fnic_id_table, + .probe = fnic_probe, + .remove = __devexit_p(fnic_remove), +}; + +static int __init fnic_init_module(void) +{ + size_t len; + int err = 0; + + printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION); + + /* Create a cache for allocation of default size sgls */ + len = sizeof(struct fnic_dflt_sgl_list); + fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create + ("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN, + SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA, + NULL); + if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) { + printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n"); + err = -ENOMEM; + goto err_create_fnic_sgl_slab_dflt; + } + + /* Create a cache for allocation of max size sgls*/ + len = sizeof(struct fnic_sgl_list); + fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create + ("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN, + SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA, + NULL); + if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) { + printk(KERN_ERR PFX "failed to create fnic max sgl slab\n"); + err = -ENOMEM; + goto err_create_fnic_sgl_slab_max; + } + + /* Create a cache of io_req structs for use via mempool */ + fnic_io_req_cache = kmem_cache_create("fnic_io_req", + sizeof(struct fnic_io_req), + 0, SLAB_HWCACHE_ALIGN, NULL); + if (!fnic_io_req_cache) { + printk(KERN_ERR PFX "failed to create fnic io_req slab\n"); + err = -ENOMEM; + goto err_create_fnic_ioreq_slab; + } + + fnic_event_queue = create_singlethread_workqueue("fnic_event_wq"); + if (!fnic_event_queue) { + printk(KERN_ERR PFX "fnic work queue create failed\n"); + err = -ENOMEM; + goto err_create_fnic_workq; + } + + spin_lock_init(&fnic_list_lock); + INIT_LIST_HEAD(&fnic_list); + + fnic_fc_transport = fc_attach_transport(&fnic_fc_functions); + if (!fnic_fc_transport) { + printk(KERN_ERR PFX "fc_attach_transport error\n"); + err = -ENOMEM; + goto err_fc_transport; + } + + /* register the driver with PCI system */ + err = pci_register_driver(&fnic_driver); + if (err < 0) { + printk(KERN_ERR PFX "pci register error\n"); + goto err_pci_register; + } + return err; + +err_pci_register: + fc_release_transport(fnic_fc_transport); +err_fc_transport: + destroy_workqueue(fnic_event_queue); +err_create_fnic_workq: + kmem_cache_destroy(fnic_io_req_cache); +err_create_fnic_ioreq_slab: + kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]); +err_create_fnic_sgl_slab_max: + kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]); +err_create_fnic_sgl_slab_dflt: + return err; +} + +static void __exit fnic_cleanup_module(void) +{ + pci_unregister_driver(&fnic_driver); + destroy_workqueue(fnic_event_queue); + kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]); + kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]); + kmem_cache_destroy(fnic_io_req_cache); + fc_release_transport(fnic_fc_transport); +} + +module_init(fnic_init_module); +module_exit(fnic_cleanup_module); + diff --git a/drivers/scsi/fnic/fnic_res.c b/drivers/scsi/fnic/fnic_res.c new file mode 100644 index 00000000000..7ba61ec715d --- /dev/null +++ b/drivers/scsi/fnic/fnic_res.c @@ -0,0 +1,444 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/pci.h> +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "cq_enet_desc.h" +#include "vnic_resource.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "vnic_nic.h" +#include "fnic.h" + +int fnic_get_vnic_config(struct fnic *fnic) +{ + struct vnic_fc_config *c = &fnic->config; + int err; + +#define GET_CONFIG(m) \ + do { \ + err = vnic_dev_spec(fnic->vdev, \ + offsetof(struct vnic_fc_config, m), \ + sizeof(c->m), &c->m); \ + if (err) { \ + shost_printk(KERN_ERR, fnic->lport->host, \ + "Error getting %s, %d\n", #m, \ + err); \ + return err; \ + } \ + } while (0); + + GET_CONFIG(node_wwn); + GET_CONFIG(port_wwn); + GET_CONFIG(wq_enet_desc_count); + GET_CONFIG(wq_copy_desc_count); + GET_CONFIG(rq_desc_count); + GET_CONFIG(maxdatafieldsize); + GET_CONFIG(ed_tov); + GET_CONFIG(ra_tov); + GET_CONFIG(intr_timer); + GET_CONFIG(intr_timer_type); + GET_CONFIG(flags); + GET_CONFIG(flogi_retries); + GET_CONFIG(flogi_timeout); + GET_CONFIG(plogi_retries); + GET_CONFIG(plogi_timeout); + GET_CONFIG(io_throttle_count); + GET_CONFIG(link_down_timeout); + GET_CONFIG(port_down_timeout); + GET_CONFIG(port_down_io_retries); + GET_CONFIG(luns_per_tgt); + + c->wq_enet_desc_count = + min_t(u32, VNIC_FNIC_WQ_DESCS_MAX, + max_t(u32, VNIC_FNIC_WQ_DESCS_MIN, + c->wq_enet_desc_count)); + c->wq_enet_desc_count = ALIGN(c->wq_enet_desc_count, 16); + + c->wq_copy_desc_count = + min_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MAX, + max_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MIN, + c->wq_copy_desc_count)); + c->wq_copy_desc_count = ALIGN(c->wq_copy_desc_count, 16); + + c->rq_desc_count = + min_t(u32, VNIC_FNIC_RQ_DESCS_MAX, + max_t(u32, VNIC_FNIC_RQ_DESCS_MIN, + c->rq_desc_count)); + c->rq_desc_count = ALIGN(c->rq_desc_count, 16); + + c->maxdatafieldsize = + min_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MAX, + max_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MIN, + c->maxdatafieldsize)); + c->ed_tov = + min_t(u32, VNIC_FNIC_EDTOV_MAX, + max_t(u32, VNIC_FNIC_EDTOV_MIN, + c->ed_tov)); + + c->ra_tov = + min_t(u32, VNIC_FNIC_RATOV_MAX, + max_t(u32, VNIC_FNIC_RATOV_MIN, + c->ra_tov)); + + c->flogi_retries = + min_t(u32, VNIC_FNIC_FLOGI_RETRIES_MAX, c->flogi_retries); + + c->flogi_timeout = + min_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MAX, + max_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MIN, + c->flogi_timeout)); + + c->plogi_retries = + min_t(u32, VNIC_FNIC_PLOGI_RETRIES_MAX, c->plogi_retries); + + c->plogi_timeout = + min_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MAX, + max_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MIN, + c->plogi_timeout)); + + c->io_throttle_count = + min_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MAX, + max_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MIN, + c->io_throttle_count)); + + c->link_down_timeout = + min_t(u32, VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX, + c->link_down_timeout); + + c->port_down_timeout = + min_t(u32, VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX, + c->port_down_timeout); + + c->port_down_io_retries = + min_t(u32, VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX, + c->port_down_io_retries); + + c->luns_per_tgt = + min_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MAX, + max_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MIN, + c->luns_per_tgt)); + + c->intr_timer = min_t(u16, VNIC_INTR_TIMER_MAX, c->intr_timer); + c->intr_timer_type = c->intr_timer_type; + + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x " + "wq/wq_copy/rq %d/%d/%d\n", + fnic->mac_addr[0], fnic->mac_addr[1], fnic->mac_addr[2], + fnic->mac_addr[3], fnic->mac_addr[4], fnic->mac_addr[5], + c->wq_enet_desc_count, c->wq_copy_desc_count, + c->rq_desc_count); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC node wwn %llx port wwn %llx\n", + c->node_wwn, c->port_wwn); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC ed_tov %d ra_tov %d\n", + c->ed_tov, c->ra_tov); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC mtu %d intr timer %d\n", + c->maxdatafieldsize, c->intr_timer); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC flags 0x%x luns per tgt %d\n", + c->flags, c->luns_per_tgt); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC flogi_retries %d flogi timeout %d\n", + c->flogi_retries, c->flogi_timeout); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC plogi retries %d plogi timeout %d\n", + c->plogi_retries, c->plogi_timeout); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC io throttle count %d link dn timeout %d\n", + c->io_throttle_count, c->link_down_timeout); + shost_printk(KERN_INFO, fnic->lport->host, + "vNIC port dn io retries %d port dn timeout %d\n", + c->port_down_io_retries, c->port_down_timeout); + + return 0; +} + +int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu, + u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, + u8 tso_ipid_split_en, u8 ig_vlan_strip_en) +{ + u64 a0, a1; + u32 nic_cfg; + int wait = 1000; + + vnic_set_nic_cfg(&nic_cfg, rss_default_cpu, + rss_hash_type, rss_hash_bits, rss_base_cpu, + rss_enable, tso_ipid_split_en, ig_vlan_strip_en); + + a0 = nic_cfg; + a1 = 0; + + return vnic_dev_cmd(fnic->vdev, CMD_NIC_CFG, &a0, &a1, wait); +} + +void fnic_get_res_counts(struct fnic *fnic) +{ + fnic->wq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_WQ); + fnic->raw_wq_count = fnic->wq_count - 1; + fnic->wq_copy_count = fnic->wq_count - fnic->raw_wq_count; + fnic->rq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_RQ); + fnic->cq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_CQ); + fnic->intr_count = vnic_dev_get_res_count(fnic->vdev, + RES_TYPE_INTR_CTRL); +} + +void fnic_free_vnic_resources(struct fnic *fnic) +{ + unsigned int i; + + for (i = 0; i < fnic->raw_wq_count; i++) + vnic_wq_free(&fnic->wq[i]); + + for (i = 0; i < fnic->wq_copy_count; i++) + vnic_wq_copy_free(&fnic->wq_copy[i]); + + for (i = 0; i < fnic->rq_count; i++) + vnic_rq_free(&fnic->rq[i]); + + for (i = 0; i < fnic->cq_count; i++) + vnic_cq_free(&fnic->cq[i]); + + for (i = 0; i < fnic->intr_count; i++) + vnic_intr_free(&fnic->intr[i]); +} + +int fnic_alloc_vnic_resources(struct fnic *fnic) +{ + enum vnic_dev_intr_mode intr_mode; + unsigned int mask_on_assertion; + unsigned int interrupt_offset; + unsigned int error_interrupt_enable; + unsigned int error_interrupt_offset; + unsigned int i, cq_index; + unsigned int wq_copy_cq_desc_count; + int err; + + intr_mode = vnic_dev_get_intr_mode(fnic->vdev); + + shost_printk(KERN_INFO, fnic->lport->host, "vNIC interrupt mode: %s\n", + intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" : + intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" : + intr_mode == VNIC_DEV_INTR_MODE_MSIX ? + "MSI-X" : "unknown"); + + shost_printk(KERN_INFO, fnic->lport->host, "vNIC resources avail: " + "wq %d cp_wq %d raw_wq %d rq %d cq %d intr %d\n", + fnic->wq_count, fnic->wq_copy_count, fnic->raw_wq_count, + fnic->rq_count, fnic->cq_count, fnic->intr_count); + + /* Allocate Raw WQ used for FCS frames */ + for (i = 0; i < fnic->raw_wq_count; i++) { + err = vnic_wq_alloc(fnic->vdev, &fnic->wq[i], i, + fnic->config.wq_enet_desc_count, + sizeof(struct wq_enet_desc)); + if (err) + goto err_out_cleanup; + } + + /* Allocate Copy WQs used for SCSI IOs */ + for (i = 0; i < fnic->wq_copy_count; i++) { + err = vnic_wq_copy_alloc(fnic->vdev, &fnic->wq_copy[i], + (fnic->raw_wq_count + i), + fnic->config.wq_copy_desc_count, + sizeof(struct fcpio_host_req)); + if (err) + goto err_out_cleanup; + } + + /* RQ for receiving FCS frames */ + for (i = 0; i < fnic->rq_count; i++) { + err = vnic_rq_alloc(fnic->vdev, &fnic->rq[i], i, + fnic->config.rq_desc_count, + sizeof(struct rq_enet_desc)); + if (err) + goto err_out_cleanup; + } + + /* CQ for each RQ */ + for (i = 0; i < fnic->rq_count; i++) { + cq_index = i; + err = vnic_cq_alloc(fnic->vdev, + &fnic->cq[cq_index], cq_index, + fnic->config.rq_desc_count, + sizeof(struct cq_enet_rq_desc)); + if (err) + goto err_out_cleanup; + } + + /* CQ for each WQ */ + for (i = 0; i < fnic->raw_wq_count; i++) { + cq_index = fnic->rq_count + i; + err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index], cq_index, + fnic->config.wq_enet_desc_count, + sizeof(struct cq_enet_wq_desc)); + if (err) + goto err_out_cleanup; + } + + /* CQ for each COPY WQ */ + wq_copy_cq_desc_count = (fnic->config.wq_copy_desc_count * 3); + for (i = 0; i < fnic->wq_copy_count; i++) { + cq_index = fnic->raw_wq_count + fnic->rq_count + i; + err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index], + cq_index, + wq_copy_cq_desc_count, + sizeof(struct fcpio_fw_req)); + if (err) + goto err_out_cleanup; + } + + for (i = 0; i < fnic->intr_count; i++) { + err = vnic_intr_alloc(fnic->vdev, &fnic->intr[i], i); + if (err) + goto err_out_cleanup; + } + + fnic->legacy_pba = vnic_dev_get_res(fnic->vdev, + RES_TYPE_INTR_PBA_LEGACY, 0); + + if (!fnic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) { + shost_printk(KERN_ERR, fnic->lport->host, + "Failed to hook legacy pba resource\n"); + err = -ENODEV; + goto err_out_cleanup; + } + + /* + * Init RQ/WQ resources. + * + * RQ[0 to n-1] point to CQ[0 to n-1] + * WQ[0 to m-1] point to CQ[n to n+m-1] + * WQ_COPY[0 to k-1] points to CQ[n+m to n+m+k-1] + * + * Note for copy wq we always initialize with cq_index = 0 + * + * Error interrupt is not enabled for MSI. + */ + + switch (intr_mode) { + case VNIC_DEV_INTR_MODE_INTX: + case VNIC_DEV_INTR_MODE_MSIX: + error_interrupt_enable = 1; + error_interrupt_offset = fnic->err_intr_offset; + break; + default: + error_interrupt_enable = 0; + error_interrupt_offset = 0; + break; + } + + for (i = 0; i < fnic->rq_count; i++) { + cq_index = i; + vnic_rq_init(&fnic->rq[i], + cq_index, + error_interrupt_enable, + error_interrupt_offset); + } + + for (i = 0; i < fnic->raw_wq_count; i++) { + cq_index = i + fnic->rq_count; + vnic_wq_init(&fnic->wq[i], + cq_index, + error_interrupt_enable, + error_interrupt_offset); + } + + for (i = 0; i < fnic->wq_copy_count; i++) { + vnic_wq_copy_init(&fnic->wq_copy[i], + 0 /* cq_index 0 - always */, + error_interrupt_enable, + error_interrupt_offset); + } + + for (i = 0; i < fnic->cq_count; i++) { + + switch (intr_mode) { + case VNIC_DEV_INTR_MODE_MSIX: + interrupt_offset = i; + break; + default: + interrupt_offset = 0; + break; + } + + vnic_cq_init(&fnic->cq[i], + 0 /* flow_control_enable */, + 1 /* color_enable */, + 0 /* cq_head */, + 0 /* cq_tail */, + 1 /* cq_tail_color */, + 1 /* interrupt_enable */, + 1 /* cq_entry_enable */, + 0 /* cq_message_enable */, + interrupt_offset, + 0 /* cq_message_addr */); + } + + /* + * Init INTR resources + * + * mask_on_assertion is not used for INTx due to the level- + * triggered nature of INTx + */ + + switch (intr_mode) { + case VNIC_DEV_INTR_MODE_MSI: + case VNIC_DEV_INTR_MODE_MSIX: + mask_on_assertion = 1; + break; + default: + mask_on_assertion = 0; + break; + } + + for (i = 0; i < fnic->intr_count; i++) { + vnic_intr_init(&fnic->intr[i], + fnic->config.intr_timer, + fnic->config.intr_timer_type, + mask_on_assertion); + } + + /* init the stats memory by making the first call here */ + err = vnic_dev_stats_dump(fnic->vdev, &fnic->stats); + if (err) { + shost_printk(KERN_ERR, fnic->lport->host, + "vnic_dev_stats_dump failed - x%x\n", err); + goto err_out_cleanup; + } + + /* Clear LIF stats */ + vnic_dev_stats_clear(fnic->vdev); + + return 0; + +err_out_cleanup: + fnic_free_vnic_resources(fnic); + + return err; +} diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h new file mode 100644 index 00000000000..b6f31026253 --- /dev/null +++ b/drivers/scsi/fnic/fnic_res.h @@ -0,0 +1,197 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _FNIC_RES_H_ +#define _FNIC_RES_H_ + +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "fnic_io.h" +#include "fcpio.h" +#include "vnic_wq_copy.h" +#include "vnic_cq_copy.h" + +static inline void fnic_queue_wq_desc(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, + unsigned int len, unsigned int fc_eof, + int vlan_tag_insert, + unsigned int vlan_tag, + int cq_entry, int sop, int eop) +{ + struct wq_enet_desc *desc = vnic_wq_next_desc(wq); + + wq_enet_desc_enc(desc, + (u64)dma_addr | VNIC_PADDR_TARGET, + (u16)len, + 0, /* mss_or_csum_offset */ + (u16)fc_eof, + 0, /* offload_mode */ + (u8)eop, (u8)cq_entry, + 1, /* fcoe_encap */ + (u8)vlan_tag_insert, + (u16)vlan_tag, + 0 /* loopback */); + + vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop); +} + +static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq, + u32 req_id, + u32 lunmap_id, u8 spl_flags, + u32 sgl_cnt, u32 sense_len, + u64 sgl_addr, u64 sns_addr, + u8 crn, u8 pri_ta, + u8 flags, u8 *scsi_cdb, + u32 data_len, u8 *lun, + u32 d_id, u16 mss, + u32 ratov, u32 edtov) +{ + struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); + + desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */ + desc->hdr.status = 0; /* header status entry */ + desc->hdr._resvd = 0; /* reserved */ + desc->hdr.tag.u.req_id = req_id; /* id for this request */ + + desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */ + desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */ + desc->u.icmnd_16._resvd0[0] = 0; /* reserved */ + desc->u.icmnd_16._resvd0[1] = 0; /* reserved */ + desc->u.icmnd_16._resvd0[2] = 0; /* reserved */ + desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */ + desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */ + desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */ + desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */ + desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/ + desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */ + desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */ + desc->u.icmnd_16.flags = flags; /* command flags */ + memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16); /* SCSI CDB */ + desc->u.icmnd_16.data_len = data_len; /* length of data expected */ + memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */ + desc->u.icmnd_16._resvd2 = 0; /* reserved */ + hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */ + desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */ + desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */ + desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */ + + vnic_wq_copy_post(wq); +} + +static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq, + u32 req_id, u32 lunmap_id, + u32 tm_req, u32 tm_id, u8 *lun, + u32 d_id, u32 r_a_tov, + u32 e_d_tov) +{ + struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); + + desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */ + desc->hdr.status = 0; /* header status entry */ + desc->hdr._resvd = 0; /* reserved */ + desc->hdr.tag.u.req_id = req_id; /* id for this request */ + + desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */ + desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */ + desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */ + desc->u.itmf._resvd = 0; + memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */ + desc->u.itmf._resvd1 = 0; + hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */ + desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */ + desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */ + + vnic_wq_copy_post(wq); +} + +static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq, + u32 req_id, u8 format, + u32 s_id, u8 *gw_mac) +{ + struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); + + desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */ + desc->hdr.status = 0; /* header status entry */ + desc->hdr._resvd = 0; /* reserved */ + desc->hdr.tag.u.req_id = req_id; /* id for this request */ + + desc->u.flogi_reg.format = format; + hton24(desc->u.flogi_reg.s_id, s_id); + memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN); + + vnic_wq_copy_post(wq); +} + +static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq, + u32 req_id) +{ + struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); + + desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */ + desc->hdr.status = 0; /* header status entry */ + desc->hdr._resvd = 0; /* reserved */ + desc->hdr.tag.u.req_id = req_id; /* id for this request */ + + vnic_wq_copy_post(wq); +} + +static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq, + u32 req_id, u64 lunmap_addr, + u32 lunmap_len) +{ + struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); + + desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */ + desc->hdr.status = 0; /* header status entry */ + desc->hdr._resvd = 0; /* reserved */ + desc->hdr.tag.u.req_id = req_id; /* id for this request */ + + desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */ + desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */ + + vnic_wq_copy_post(wq); +} + +static inline void fnic_queue_rq_desc(struct vnic_rq *rq, + void *os_buf, dma_addr_t dma_addr, + u16 len) +{ + struct rq_enet_desc *desc = vnic_rq_next_desc(rq); + + rq_enet_desc_enc(desc, + (u64)dma_addr | VNIC_PADDR_TARGET, + RQ_ENET_TYPE_ONLY_SOP, + (u16)len); + + vnic_rq_post(rq, os_buf, 0, dma_addr, len); +} + + +struct fnic; + +int fnic_get_vnic_config(struct fnic *); +int fnic_alloc_vnic_resources(struct fnic *); +void fnic_free_vnic_resources(struct fnic *); +void fnic_get_res_counts(struct fnic *); +int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu, + u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, + u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en); + +#endif /* _FNIC_RES_H_ */ diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c new file mode 100644 index 00000000000..eabf3650285 --- /dev/null +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -0,0 +1,1850 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <linux/mempool.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/workqueue.h> +#include <linux/pci.h> +#include <linux/scatterlist.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/if_ether.h> +#include <linux/if_vlan.h> +#include <linux/delay.h> +#include <scsi/scsi.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_tcq.h> +#include <scsi/fc/fc_els.h> +#include <scsi/fc/fc_fcoe.h> +#include <scsi/libfc.h> +#include <scsi/fc_frame.h> +#include "fnic_io.h" +#include "fnic.h" + +const char *fnic_state_str[] = { + [FNIC_IN_FC_MODE] = "FNIC_IN_FC_MODE", + [FNIC_IN_FC_TRANS_ETH_MODE] = "FNIC_IN_FC_TRANS_ETH_MODE", + [FNIC_IN_ETH_MODE] = "FNIC_IN_ETH_MODE", + [FNIC_IN_ETH_TRANS_FC_MODE] = "FNIC_IN_ETH_TRANS_FC_MODE", +}; + +static const char *fnic_ioreq_state_str[] = { + [FNIC_IOREQ_CMD_PENDING] = "FNIC_IOREQ_CMD_PENDING", + [FNIC_IOREQ_ABTS_PENDING] = "FNIC_IOREQ_ABTS_PENDING", + [FNIC_IOREQ_ABTS_COMPLETE] = "FNIC_IOREQ_ABTS_COMPLETE", + [FNIC_IOREQ_CMD_COMPLETE] = "FNIC_IOREQ_CMD_COMPLETE", +}; + +static const char *fcpio_status_str[] = { + [FCPIO_SUCCESS] = "FCPIO_SUCCESS", /*0x0*/ + [FCPIO_INVALID_HEADER] = "FCPIO_INVALID_HEADER", + [FCPIO_OUT_OF_RESOURCE] = "FCPIO_OUT_OF_RESOURCE", + [FCPIO_INVALID_PARAM] = "FCPIO_INVALID_PARAM]", + [FCPIO_REQ_NOT_SUPPORTED] = "FCPIO_REQ_NOT_SUPPORTED", + [FCPIO_IO_NOT_FOUND] = "FCPIO_IO_NOT_FOUND", + [FCPIO_ABORTED] = "FCPIO_ABORTED", /*0x41*/ + [FCPIO_TIMEOUT] = "FCPIO_TIMEOUT", + [FCPIO_SGL_INVALID] = "FCPIO_SGL_INVALID", + [FCPIO_MSS_INVALID] = "FCPIO_MSS_INVALID", + [FCPIO_DATA_CNT_MISMATCH] = "FCPIO_DATA_CNT_MISMATCH", + [FCPIO_FW_ERR] = "FCPIO_FW_ERR", + [FCPIO_ITMF_REJECTED] = "FCPIO_ITMF_REJECTED", + [FCPIO_ITMF_FAILED] = "FCPIO_ITMF_FAILED", + [FCPIO_ITMF_INCORRECT_LUN] = "FCPIO_ITMF_INCORRECT_LUN", + [FCPIO_CMND_REJECTED] = "FCPIO_CMND_REJECTED", + [FCPIO_NO_PATH_AVAIL] = "FCPIO_NO_PATH_AVAIL", + [FCPIO_PATH_FAILED] = "FCPIO_PATH_FAILED", + [FCPIO_LUNMAP_CHNG_PEND] = "FCPIO_LUNHMAP_CHNG_PEND", +}; + +const char *fnic_state_to_str(unsigned int state) +{ + if (state >= ARRAY_SIZE(fnic_state_str) || !fnic_state_str[state]) + return "unknown"; + + return fnic_state_str[state]; +} + +static const char *fnic_ioreq_state_to_str(unsigned int state) +{ + if (state >= ARRAY_SIZE(fnic_ioreq_state_str) || + !fnic_ioreq_state_str[state]) + return "unknown"; + + return fnic_ioreq_state_str[state]; +} + +static const char *fnic_fcpio_status_to_str(unsigned int status) +{ + if (status >= ARRAY_SIZE(fcpio_status_str) || !fcpio_status_str[status]) + return "unknown"; + + return fcpio_status_str[status]; +} + +static void fnic_cleanup_io(struct fnic *fnic, int exclude_id); + +static inline spinlock_t *fnic_io_lock_hash(struct fnic *fnic, + struct scsi_cmnd *sc) +{ + u32 hash = sc->request->tag & (FNIC_IO_LOCKS - 1); + + return &fnic->io_req_lock[hash]; +} + +/* + * Unmap the data buffer and sense buffer for an io_req, + * also unmap and free the device-private scatter/gather list. + */ +static void fnic_release_ioreq_buf(struct fnic *fnic, + struct fnic_io_req *io_req, + struct scsi_cmnd *sc) +{ + if (io_req->sgl_list_pa) + pci_unmap_single(fnic->pdev, io_req->sgl_list_pa, + sizeof(io_req->sgl_list[0]) * io_req->sgl_cnt, + PCI_DMA_TODEVICE); + scsi_dma_unmap(sc); + + if (io_req->sgl_cnt) + mempool_free(io_req->sgl_list_alloc, + fnic->io_sgl_pool[io_req->sgl_type]); + if (io_req->sense_buf_pa) + pci_unmap_single(fnic->pdev, io_req->sense_buf_pa, + SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE); +} + +/* Free up Copy Wq descriptors. Called with copy_wq lock held */ +static int free_wq_copy_descs(struct fnic *fnic, struct vnic_wq_copy *wq) +{ + /* if no Ack received from firmware, then nothing to clean */ + if (!fnic->fw_ack_recd[0]) + return 1; + + /* + * Update desc_available count based on number of freed descriptors + * Account for wraparound + */ + if (wq->to_clean_index <= fnic->fw_ack_index[0]) + wq->ring.desc_avail += (fnic->fw_ack_index[0] + - wq->to_clean_index + 1); + else + wq->ring.desc_avail += (wq->ring.desc_count + - wq->to_clean_index + + fnic->fw_ack_index[0] + 1); + + /* + * just bump clean index to ack_index+1 accounting for wraparound + * this will essentially free up all descriptors between + * to_clean_index and fw_ack_index, both inclusive + */ + wq->to_clean_index = + (fnic->fw_ack_index[0] + 1) % wq->ring.desc_count; + + /* we have processed the acks received so far */ + fnic->fw_ack_recd[0] = 0; + return 0; +} + + +/* + * fnic_fw_reset_handler + * Routine to send reset msg to fw + */ +int fnic_fw_reset_handler(struct fnic *fnic) +{ + struct vnic_wq_copy *wq = &fnic->wq_copy[0]; + int ret = 0; + unsigned long flags; + + spin_lock_irqsave(&fnic->wq_copy_lock[0], flags); + + if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0]) + free_wq_copy_descs(fnic, wq); + + if (!vnic_wq_copy_desc_avail(wq)) + ret = -EAGAIN; + else + fnic_queue_wq_copy_desc_fw_reset(wq, SCSI_NO_TAG); + + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags); + + if (!ret) + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Issued fw reset\n"); + else + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Failed to issue fw reset\n"); + return ret; +} + + +/* + * fnic_flogi_reg_handler + * Routine to send flogi register msg to fw + */ +int fnic_flogi_reg_handler(struct fnic *fnic) +{ + struct vnic_wq_copy *wq = &fnic->wq_copy[0]; + u8 gw_mac[ETH_ALEN]; + int ret = 0; + unsigned long flags; + + spin_lock_irqsave(&fnic->wq_copy_lock[0], flags); + + if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0]) + free_wq_copy_descs(fnic, wq); + + if (!vnic_wq_copy_desc_avail(wq)) { + ret = -EAGAIN; + goto flogi_reg_ioreq_end; + } + + if (fnic->fcoui_mode) + memset(gw_mac, 0xff, ETH_ALEN); + else + memcpy(gw_mac, fnic->dest_addr, ETH_ALEN); + + fnic_queue_wq_copy_desc_flogi_reg(wq, SCSI_NO_TAG, + FCPIO_FLOGI_REG_GW_DEST, + fnic->s_id, + gw_mac); + +flogi_reg_ioreq_end: + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags); + + if (!ret) + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "flog reg issued\n"); + + return ret; +} + +/* + * fnic_queue_wq_copy_desc + * Routine to enqueue a wq copy desc + */ +static inline int fnic_queue_wq_copy_desc(struct fnic *fnic, + struct vnic_wq_copy *wq, + struct fnic_io_req *io_req, + struct scsi_cmnd *sc, + u32 sg_count) +{ + struct scatterlist *sg; + struct fc_rport *rport = starget_to_rport(scsi_target(sc->device)); + struct fc_rport_libfc_priv *rp = rport->dd_data; + struct host_sg_desc *desc; + u8 pri_tag = 0; + unsigned int i; + unsigned long intr_flags; + int flags; + u8 exch_flags; + struct scsi_lun fc_lun; + char msg[2]; + + if (sg_count) { + BUG_ON(sg_count < 0); + BUG_ON(sg_count > FNIC_MAX_SG_DESC_CNT); + + /* For each SGE, create a device desc entry */ + desc = io_req->sgl_list; + for_each_sg(scsi_sglist(sc), sg, sg_count, i) { + desc->addr = cpu_to_le64(sg_dma_address(sg)); + desc->len = cpu_to_le32(sg_dma_len(sg)); + desc->_resvd = 0; + desc++; + } + + io_req->sgl_list_pa = pci_map_single + (fnic->pdev, + io_req->sgl_list, + sizeof(io_req->sgl_list[0]) * sg_count, + PCI_DMA_TODEVICE); + } + + io_req->sense_buf_pa = pci_map_single(fnic->pdev, + sc->sense_buffer, + SCSI_SENSE_BUFFERSIZE, + PCI_DMA_FROMDEVICE); + + int_to_scsilun(sc->device->lun, &fc_lun); + + pri_tag = FCPIO_ICMND_PTA_SIMPLE; + msg[0] = MSG_SIMPLE_TAG; + scsi_populate_tag_msg(sc, msg); + if (msg[0] == MSG_ORDERED_TAG) + pri_tag = FCPIO_ICMND_PTA_ORDERED; + + /* Enqueue the descriptor in the Copy WQ */ + spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags); + + if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0]) + free_wq_copy_descs(fnic, wq); + + if (unlikely(!vnic_wq_copy_desc_avail(wq))) { + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags); + return SCSI_MLQUEUE_HOST_BUSY; + } + + flags = 0; + if (sc->sc_data_direction == DMA_FROM_DEVICE) + flags = FCPIO_ICMND_RDDATA; + else if (sc->sc_data_direction == DMA_TO_DEVICE) + flags = FCPIO_ICMND_WRDATA; + + exch_flags = 0; + if ((fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR) && + (rp->flags & FC_RP_FLAGS_RETRY)) + exch_flags |= FCPIO_ICMND_SRFLAG_RETRY; + + fnic_queue_wq_copy_desc_icmnd_16(wq, sc->request->tag, + 0, exch_flags, io_req->sgl_cnt, + SCSI_SENSE_BUFFERSIZE, + io_req->sgl_list_pa, + io_req->sense_buf_pa, + 0, /* scsi cmd ref, always 0 */ + pri_tag, /* scsi pri and tag */ + flags, /* command flags */ + sc->cmnd, scsi_bufflen(sc), + fc_lun.scsi_lun, io_req->port_id, + rport->maxframe_size, rp->r_a_tov, + rp->e_d_tov); + + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags); + return 0; +} + +/* + * fnic_queuecommand + * Routine to send a scsi cdb + * Called with host_lock held and interrupts disabled. + */ +int fnic_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) +{ + struct fc_lport *lp; + struct fc_rport *rport; + struct fnic_io_req *io_req; + struct fnic *fnic; + struct vnic_wq_copy *wq; + int ret; + u32 sg_count; + unsigned long flags; + unsigned long ptr; + + rport = starget_to_rport(scsi_target(sc->device)); + ret = fc_remote_port_chkready(rport); + if (ret) { + sc->result = ret; + done(sc); + return 0; + } + + lp = shost_priv(sc->device->host); + if (lp->state != LPORT_ST_READY || !(lp->link_up)) + return SCSI_MLQUEUE_HOST_BUSY; + + /* + * Release host lock, use driver resource specific locks from here. + * Don't re-enable interrupts in case they were disabled prior to the + * caller disabling them. + */ + spin_unlock(lp->host->host_lock); + + /* Get a new io_req for this SCSI IO */ + fnic = lport_priv(lp); + + io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC); + if (!io_req) { + ret = SCSI_MLQUEUE_HOST_BUSY; + goto out; + } + memset(io_req, 0, sizeof(*io_req)); + + /* Map the data buffer */ + sg_count = scsi_dma_map(sc); + if (sg_count < 0) { + mempool_free(io_req, fnic->io_req_pool); + goto out; + } + + /* Determine the type of scatter/gather list we need */ + io_req->sgl_cnt = sg_count; + io_req->sgl_type = FNIC_SGL_CACHE_DFLT; + if (sg_count > FNIC_DFLT_SG_DESC_CNT) + io_req->sgl_type = FNIC_SGL_CACHE_MAX; + + if (sg_count) { + io_req->sgl_list = + mempool_alloc(fnic->io_sgl_pool[io_req->sgl_type], + GFP_ATOMIC | GFP_DMA); + if (!io_req->sgl_list) { + ret = SCSI_MLQUEUE_HOST_BUSY; + scsi_dma_unmap(sc); + mempool_free(io_req, fnic->io_req_pool); + goto out; + } + + /* Cache sgl list allocated address before alignment */ + io_req->sgl_list_alloc = io_req->sgl_list; + ptr = (unsigned long) io_req->sgl_list; + if (ptr % FNIC_SG_DESC_ALIGN) { + io_req->sgl_list = (struct host_sg_desc *) + (((unsigned long) ptr + + FNIC_SG_DESC_ALIGN - 1) + & ~(FNIC_SG_DESC_ALIGN - 1)); + } + } + + /* initialize rest of io_req */ + io_req->port_id = rport->port_id; + CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING; + CMD_SP(sc) = (char *)io_req; + sc->scsi_done = done; + + /* create copy wq desc and enqueue it */ + wq = &fnic->wq_copy[0]; + ret = fnic_queue_wq_copy_desc(fnic, wq, io_req, sc, sg_count); + if (ret) { + /* + * In case another thread cancelled the request, + * refetch the pointer under the lock. + */ + spinlock_t *io_lock = fnic_io_lock_hash(fnic, sc); + + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + CMD_SP(sc) = NULL; + CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE; + spin_unlock_irqrestore(io_lock, flags); + if (io_req) { + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); + } + } +out: + /* acquire host lock before returning to SCSI */ + spin_lock(lp->host->host_lock); + return ret; +} + +/* + * fnic_fcpio_fw_reset_cmpl_handler + * Routine to handle fw reset completion + */ +static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic, + struct fcpio_fw_req *desc) +{ + u8 type; + u8 hdr_status; + struct fcpio_tag tag; + int ret = 0; + struct fc_frame *flogi; + unsigned long flags; + + fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag); + + /* Clean up all outstanding io requests */ + fnic_cleanup_io(fnic, SCSI_NO_TAG); + + spin_lock_irqsave(&fnic->fnic_lock, flags); + + flogi = fnic->flogi; + fnic->flogi = NULL; + + /* fnic should be in FC_TRANS_ETH_MODE */ + if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE) { + /* Check status of reset completion */ + if (!hdr_status) { + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "reset cmpl success\n"); + /* Ready to send flogi out */ + fnic->state = FNIC_IN_ETH_MODE; + } else { + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "fnic fw_reset : failed %s\n", + fnic_fcpio_status_to_str(hdr_status)); + + /* + * Unable to change to eth mode, cannot send out flogi + * Change state to fc mode, so that subsequent Flogi + * requests from libFC will cause more attempts to + * reset the firmware. Free the cached flogi + */ + fnic->state = FNIC_IN_FC_MODE; + ret = -1; + } + } else { + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "Unexpected state %s while processing" + " reset cmpl\n", fnic_state_to_str(fnic->state)); + ret = -1; + } + + /* Thread removing device blocks till firmware reset is complete */ + if (fnic->remove_wait) + complete(fnic->remove_wait); + + /* + * If fnic is being removed, or fw reset failed + * free the flogi frame. Else, send it out + */ + if (fnic->remove_wait || ret) { + fnic->flogi_oxid = FC_XID_UNKNOWN; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + if (flogi) + dev_kfree_skb_irq(fp_skb(flogi)); + goto reset_cmpl_handler_end; + } + + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + if (flogi) + ret = fnic_send_frame(fnic, flogi); + + reset_cmpl_handler_end: + return ret; +} + +/* + * fnic_fcpio_flogi_reg_cmpl_handler + * Routine to handle flogi register completion + */ +static int fnic_fcpio_flogi_reg_cmpl_handler(struct fnic *fnic, + struct fcpio_fw_req *desc) +{ + u8 type; + u8 hdr_status; + struct fcpio_tag tag; + int ret = 0; + struct fc_frame *flogi_resp = NULL; + unsigned long flags; + struct sk_buff *skb; + + fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag); + + /* Update fnic state based on status of flogi reg completion */ + spin_lock_irqsave(&fnic->fnic_lock, flags); + + flogi_resp = fnic->flogi_resp; + fnic->flogi_resp = NULL; + + if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE) { + + /* Check flogi registration completion status */ + if (!hdr_status) { + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "flog reg succeeded\n"); + fnic->state = FNIC_IN_FC_MODE; + } else { + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "fnic flogi reg :failed %s\n", + fnic_fcpio_status_to_str(hdr_status)); + fnic->state = FNIC_IN_ETH_MODE; + ret = -1; + } + } else { + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Unexpected fnic state %s while" + " processing flogi reg completion\n", + fnic_state_to_str(fnic->state)); + ret = -1; + } + + /* Successful flogi reg cmpl, pass frame to LibFC */ + if (!ret && flogi_resp) { + if (fnic->stop_rx_link_events) { + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + goto reg_cmpl_handler_end; + } + skb = (struct sk_buff *)flogi_resp; + /* Use fr_flags to indicate whether flogi resp or not */ + fr_flags(flogi_resp) = 1; + fr_dev(flogi_resp) = fnic->lport; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + skb_queue_tail(&fnic->frame_queue, skb); + queue_work(fnic_event_queue, &fnic->frame_work); + + } else { + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + if (flogi_resp) + dev_kfree_skb_irq(fp_skb(flogi_resp)); + } + +reg_cmpl_handler_end: + return ret; +} + +static inline int is_ack_index_in_range(struct vnic_wq_copy *wq, + u16 request_out) +{ + if (wq->to_clean_index <= wq->to_use_index) { + /* out of range, stale request_out index */ + if (request_out < wq->to_clean_index || + request_out >= wq->to_use_index) + return 0; + } else { + /* out of range, stale request_out index */ + if (request_out < wq->to_clean_index && + request_out >= wq->to_use_index) + return 0; + } + /* request_out index is in range */ + return 1; +} + + +/* + * Mark that ack received and store the Ack index. If there are multiple + * acks received before Tx thread cleans it up, the latest value will be + * used which is correct behavior. This state should be in the copy Wq + * instead of in the fnic + */ +static inline void fnic_fcpio_ack_handler(struct fnic *fnic, + unsigned int cq_index, + struct fcpio_fw_req *desc) +{ + struct vnic_wq_copy *wq; + u16 request_out = desc->u.ack.request_out; + unsigned long flags; + + /* mark the ack state */ + wq = &fnic->wq_copy[cq_index - fnic->raw_wq_count - fnic->rq_count]; + spin_lock_irqsave(&fnic->wq_copy_lock[0], flags); + + if (is_ack_index_in_range(wq, request_out)) { + fnic->fw_ack_index[0] = request_out; + fnic->fw_ack_recd[0] = 1; + } + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags); +} + +/* + * fnic_fcpio_icmnd_cmpl_handler + * Routine to handle icmnd completions + */ +static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic, + struct fcpio_fw_req *desc) +{ + u8 type; + u8 hdr_status; + struct fcpio_tag tag; + u32 id; + u64 xfer_len = 0; + struct fcpio_icmnd_cmpl *icmnd_cmpl; + struct fnic_io_req *io_req; + struct scsi_cmnd *sc; + unsigned long flags; + spinlock_t *io_lock; + + /* Decode the cmpl description to get the io_req id */ + fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag); + fcpio_tag_id_dec(&tag, &id); + + if (id >= FNIC_MAX_IO_REQ) + return; + + sc = scsi_host_find_tag(fnic->lport->host, id); + WARN_ON_ONCE(!sc); + if (!sc) + return; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + WARN_ON_ONCE(!io_req); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + return; + } + + /* firmware completed the io */ + io_req->io_completed = 1; + + /* + * if SCSI-ML has already issued abort on this command, + * ignore completion of the IO. The abts path will clean it up + */ + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + return; + } + + /* Mark the IO as complete */ + CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE; + + icmnd_cmpl = &desc->u.icmnd_cmpl; + + switch (hdr_status) { + case FCPIO_SUCCESS: + sc->result = (DID_OK << 16) | icmnd_cmpl->scsi_status; + xfer_len = scsi_bufflen(sc); + scsi_set_resid(sc, icmnd_cmpl->residual); + + if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER) + xfer_len -= icmnd_cmpl->residual; + + /* + * If queue_full, then try to reduce queue depth for all + * LUNS on the target. Todo: this should be accompanied + * by a periodic queue_depth rampup based on successful + * IO completion. + */ + if (icmnd_cmpl->scsi_status == QUEUE_FULL) { + struct scsi_device *t_sdev; + int qd = 0; + + shost_for_each_device(t_sdev, sc->device->host) { + if (t_sdev->id != sc->device->id) + continue; + + if (t_sdev->queue_depth > 1) { + qd = scsi_track_queue_full + (t_sdev, + t_sdev->queue_depth - 1); + if (qd == -1) + qd = t_sdev->host->cmd_per_lun; + shost_printk(KERN_INFO, + fnic->lport->host, + "scsi[%d:%d:%d:%d" + "] queue full detected," + "new depth = %d\n", + t_sdev->host->host_no, + t_sdev->channel, + t_sdev->id, t_sdev->lun, + t_sdev->queue_depth); + } + } + } + break; + + case FCPIO_TIMEOUT: /* request was timed out */ + sc->result = (DID_TIME_OUT << 16) | icmnd_cmpl->scsi_status; + break; + + case FCPIO_ABORTED: /* request was aborted */ + sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status; + break; + + case FCPIO_DATA_CNT_MISMATCH: /* recv/sent more/less data than exp. */ + scsi_set_resid(sc, icmnd_cmpl->residual); + sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status; + break; + + case FCPIO_OUT_OF_RESOURCE: /* out of resources to complete request */ + sc->result = (DID_REQUEUE << 16) | icmnd_cmpl->scsi_status; + break; + case FCPIO_INVALID_HEADER: /* header contains invalid data */ + case FCPIO_INVALID_PARAM: /* some parameter in request invalid */ + case FCPIO_REQ_NOT_SUPPORTED:/* request type is not supported */ + case FCPIO_IO_NOT_FOUND: /* requested I/O was not found */ + case FCPIO_SGL_INVALID: /* request was aborted due to sgl error */ + case FCPIO_MSS_INVALID: /* request was aborted due to mss error */ + case FCPIO_FW_ERR: /* request was terminated due fw error */ + default: + shost_printk(KERN_ERR, fnic->lport->host, "hdr status = %s\n", + fnic_fcpio_status_to_str(hdr_status)); + sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status; + break; + } + + /* Break link with the SCSI command */ + CMD_SP(sc) = NULL; + + spin_unlock_irqrestore(io_lock, flags); + + fnic_release_ioreq_buf(fnic, io_req, sc); + + mempool_free(io_req, fnic->io_req_pool); + + if (sc->sc_data_direction == DMA_FROM_DEVICE) { + fnic->lport->host_stats.fcp_input_requests++; + fnic->fcp_input_bytes += xfer_len; + } else if (sc->sc_data_direction == DMA_TO_DEVICE) { + fnic->lport->host_stats.fcp_output_requests++; + fnic->fcp_output_bytes += xfer_len; + } else + fnic->lport->host_stats.fcp_control_requests++; + + /* Call SCSI completion function to complete the IO */ + if (sc->scsi_done) + sc->scsi_done(sc); + +} + +/* fnic_fcpio_itmf_cmpl_handler + * Routine to handle itmf completions + */ +static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, + struct fcpio_fw_req *desc) +{ + u8 type; + u8 hdr_status; + struct fcpio_tag tag; + u32 id; + struct scsi_cmnd *sc; + struct fnic_io_req *io_req; + unsigned long flags; + spinlock_t *io_lock; + + fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag); + fcpio_tag_id_dec(&tag, &id); + + if ((id & FNIC_TAG_MASK) >= FNIC_MAX_IO_REQ) + return; + + sc = scsi_host_find_tag(fnic->lport->host, id & FNIC_TAG_MASK); + WARN_ON_ONCE(!sc); + if (!sc) + return; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + WARN_ON_ONCE(!io_req); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + return; + } + + if (id & FNIC_TAG_ABORT) { + /* Completion of abort cmd */ + if (CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING) { + /* This is a late completion. Ignore it */ + spin_unlock_irqrestore(io_lock, flags); + return; + } + CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE; + CMD_ABTS_STATUS(sc) = hdr_status; + + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "abts cmpl recd. id %d status %s\n", + (int)(id & FNIC_TAG_MASK), + fnic_fcpio_status_to_str(hdr_status)); + + /* + * If scsi_eh thread is blocked waiting for abts to complete, + * signal completion to it. IO will be cleaned in the thread + * else clean it in this context + */ + if (io_req->abts_done) { + complete(io_req->abts_done); + spin_unlock_irqrestore(io_lock, flags); + } else { + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "abts cmpl, completing IO\n"); + CMD_SP(sc) = NULL; + sc->result = (DID_ERROR << 16); + + spin_unlock_irqrestore(io_lock, flags); + + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); + if (sc->scsi_done) + sc->scsi_done(sc); + } + + } else if (id & FNIC_TAG_DEV_RST) { + /* Completion of device reset */ + CMD_LR_STATUS(sc) = hdr_status; + CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE; + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "dev reset cmpl recd. id %d status %s\n", + (int)(id & FNIC_TAG_MASK), + fnic_fcpio_status_to_str(hdr_status)); + if (io_req->dr_done) + complete(io_req->dr_done); + spin_unlock_irqrestore(io_lock, flags); + + } else { + shost_printk(KERN_ERR, fnic->lport->host, + "Unexpected itmf io state %s tag %x\n", + fnic_ioreq_state_to_str(CMD_STATE(sc)), id); + spin_unlock_irqrestore(io_lock, flags); + } + +} + +/* + * fnic_fcpio_cmpl_handler + * Routine to service the cq for wq_copy + */ +static int fnic_fcpio_cmpl_handler(struct vnic_dev *vdev, + unsigned int cq_index, + struct fcpio_fw_req *desc) +{ + struct fnic *fnic = vnic_dev_priv(vdev); + int ret = 0; + + switch (desc->hdr.type) { + case FCPIO_ACK: /* fw copied copy wq desc to its queue */ + fnic_fcpio_ack_handler(fnic, cq_index, desc); + break; + + case FCPIO_ICMND_CMPL: /* fw completed a command */ + fnic_fcpio_icmnd_cmpl_handler(fnic, desc); + break; + + case FCPIO_ITMF_CMPL: /* fw completed itmf (abort cmd, lun reset)*/ + fnic_fcpio_itmf_cmpl_handler(fnic, desc); + break; + + case FCPIO_FLOGI_REG_CMPL: /* fw completed flogi_reg */ + ret = fnic_fcpio_flogi_reg_cmpl_handler(fnic, desc); + break; + + case FCPIO_RESET_CMPL: /* fw completed reset */ + ret = fnic_fcpio_fw_reset_cmpl_handler(fnic, desc); + break; + + default: + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "firmware completion type %d\n", + desc->hdr.type); + break; + } + + return ret; +} + +/* + * fnic_wq_copy_cmpl_handler + * Routine to process wq copy + */ +int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do) +{ + unsigned int wq_work_done = 0; + unsigned int i, cq_index; + unsigned int cur_work_done; + + for (i = 0; i < fnic->wq_copy_count; i++) { + cq_index = i + fnic->raw_wq_count + fnic->rq_count; + cur_work_done = vnic_cq_copy_service(&fnic->cq[cq_index], + fnic_fcpio_cmpl_handler, + copy_work_to_do); + wq_work_done += cur_work_done; + } + return wq_work_done; +} + +static void fnic_cleanup_io(struct fnic *fnic, int exclude_id) +{ + unsigned int i; + struct fnic_io_req *io_req; + unsigned long flags = 0; + struct scsi_cmnd *sc; + spinlock_t *io_lock; + + for (i = 0; i < FNIC_MAX_IO_REQ; i++) { + if (i == exclude_id) + continue; + + sc = scsi_host_find_tag(fnic->lport->host, i); + if (!sc) + continue; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + goto cleanup_scsi_cmd; + } + + CMD_SP(sc) = NULL; + + spin_unlock_irqrestore(io_lock, flags); + + /* + * If there is a scsi_cmnd associated with this io_req, then + * free the corresponding state + */ + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); + +cleanup_scsi_cmd: + sc->result = DID_TRANSPORT_DISRUPTED << 16; + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "fnic_cleanup_io:" + " DID_TRANSPORT_DISRUPTED\n"); + + /* Complete the command to SCSI */ + if (sc->scsi_done) + sc->scsi_done(sc); + } +} + +void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, + struct fcpio_host_req *desc) +{ + u32 id; + struct fnic *fnic = vnic_dev_priv(wq->vdev); + struct fnic_io_req *io_req; + struct scsi_cmnd *sc; + unsigned long flags; + spinlock_t *io_lock; + + /* get the tag reference */ + fcpio_tag_id_dec(&desc->hdr.tag, &id); + id &= FNIC_TAG_MASK; + + if (id >= FNIC_MAX_IO_REQ) + return; + + sc = scsi_host_find_tag(fnic->lport->host, id); + if (!sc) + return; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + + /* Get the IO context which this desc refers to */ + io_req = (struct fnic_io_req *)CMD_SP(sc); + + /* fnic interrupts are turned off by now */ + + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + goto wq_copy_cleanup_scsi_cmd; + } + + CMD_SP(sc) = NULL; + + spin_unlock_irqrestore(io_lock, flags); + + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); + +wq_copy_cleanup_scsi_cmd: + sc->result = DID_NO_CONNECT << 16; + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "wq_copy_cleanup_handler:" + " DID_NO_CONNECT\n"); + + if (sc->scsi_done) + sc->scsi_done(sc); +} + +static inline int fnic_queue_abort_io_req(struct fnic *fnic, int tag, + u32 task_req, u8 *fc_lun, + struct fnic_io_req *io_req) +{ + struct vnic_wq_copy *wq = &fnic->wq_copy[0]; + unsigned long flags; + + spin_lock_irqsave(&fnic->wq_copy_lock[0], flags); + + if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0]) + free_wq_copy_descs(fnic, wq); + + if (!vnic_wq_copy_desc_avail(wq)) { + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags); + return 1; + } + fnic_queue_wq_copy_desc_itmf(wq, tag | FNIC_TAG_ABORT, + 0, task_req, tag, fc_lun, io_req->port_id, + fnic->config.ra_tov, fnic->config.ed_tov); + + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags); + return 0; +} + +void fnic_rport_exch_reset(struct fnic *fnic, u32 port_id) +{ + int tag; + struct fnic_io_req *io_req; + spinlock_t *io_lock; + unsigned long flags; + struct scsi_cmnd *sc; + struct scsi_lun fc_lun; + enum fnic_ioreq_state old_ioreq_state; + + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "fnic_rport_reset_exch called portid 0x%06x\n", + port_id); + + if (fnic->in_remove) + return; + + for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) { + sc = scsi_host_find_tag(fnic->lport->host, tag); + if (!sc) + continue; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + + io_req = (struct fnic_io_req *)CMD_SP(sc); + + if (!io_req || io_req->port_id != port_id) { + spin_unlock_irqrestore(io_lock, flags); + continue; + } + + /* + * Found IO that is still pending with firmware and + * belongs to rport that went away + */ + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + continue; + } + old_ioreq_state = CMD_STATE(sc); + CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; + CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + + BUG_ON(io_req->abts_done); + + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "fnic_rport_reset_exch: Issuing abts\n"); + + spin_unlock_irqrestore(io_lock, flags); + + /* Now queue the abort command to firmware */ + int_to_scsilun(sc->device->lun, &fc_lun); + + if (fnic_queue_abort_io_req(fnic, tag, + FCPIO_ITMF_ABT_TASK_TERM, + fc_lun.scsi_lun, io_req)) { + /* + * Revert the cmd state back to old state, if + * it hasnt changed in between. This cmd will get + * aborted later by scsi_eh, or cleaned up during + * lun reset + */ + io_lock = fnic_io_lock_hash(fnic, sc); + + spin_lock_irqsave(io_lock, flags); + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) + CMD_STATE(sc) = old_ioreq_state; + spin_unlock_irqrestore(io_lock, flags); + } + } + +} + +void fnic_terminate_rport_io(struct fc_rport *rport) +{ + int tag; + struct fnic_io_req *io_req; + spinlock_t *io_lock; + unsigned long flags; + struct scsi_cmnd *sc; + struct scsi_lun fc_lun; + struct fc_rport_libfc_priv *rdata = rport->dd_data; + struct fc_lport *lport = rdata->local_port; + struct fnic *fnic = lport_priv(lport); + struct fc_rport *cmd_rport; + enum fnic_ioreq_state old_ioreq_state; + + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, "fnic_terminate_rport_io called" + " wwpn 0x%llx, wwnn0x%llx, portid 0x%06x\n", + rport->port_name, rport->node_name, + rport->port_id); + + if (fnic->in_remove) + return; + + for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) { + sc = scsi_host_find_tag(fnic->lport->host, tag); + if (!sc) + continue; + + cmd_rport = starget_to_rport(scsi_target(sc->device)); + if (rport != cmd_rport) + continue; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + + io_req = (struct fnic_io_req *)CMD_SP(sc); + + if (!io_req || rport != cmd_rport) { + spin_unlock_irqrestore(io_lock, flags); + continue; + } + + /* + * Found IO that is still pending with firmware and + * belongs to rport that went away + */ + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + continue; + } + old_ioreq_state = CMD_STATE(sc); + CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; + CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + + BUG_ON(io_req->abts_done); + + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "fnic_terminate_rport_io: Issuing abts\n"); + + spin_unlock_irqrestore(io_lock, flags); + + /* Now queue the abort command to firmware */ + int_to_scsilun(sc->device->lun, &fc_lun); + + if (fnic_queue_abort_io_req(fnic, tag, + FCPIO_ITMF_ABT_TASK_TERM, + fc_lun.scsi_lun, io_req)) { + /* + * Revert the cmd state back to old state, if + * it hasnt changed in between. This cmd will get + * aborted later by scsi_eh, or cleaned up during + * lun reset + */ + io_lock = fnic_io_lock_hash(fnic, sc); + + spin_lock_irqsave(io_lock, flags); + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) + CMD_STATE(sc) = old_ioreq_state; + spin_unlock_irqrestore(io_lock, flags); + } + } + +} + +static void fnic_block_error_handler(struct scsi_cmnd *sc) +{ + struct Scsi_Host *shost = sc->device->host; + struct fc_rport *rport = starget_to_rport(scsi_target(sc->device)); + unsigned long flags; + + spin_lock_irqsave(shost->host_lock, flags); + while (rport->port_state == FC_PORTSTATE_BLOCKED) { + spin_unlock_irqrestore(shost->host_lock, flags); + msleep(1000); + spin_lock_irqsave(shost->host_lock, flags); + } + spin_unlock_irqrestore(shost->host_lock, flags); + +} + +/* + * This function is exported to SCSI for sending abort cmnds. + * A SCSI IO is represented by a io_req in the driver. + * The ioreq is linked to the SCSI Cmd, thus a link with the ULP's IO. + */ +int fnic_abort_cmd(struct scsi_cmnd *sc) +{ + struct fc_lport *lp; + struct fnic *fnic; + struct fnic_io_req *io_req; + struct fc_rport *rport; + spinlock_t *io_lock; + unsigned long flags; + int ret = SUCCESS; + u32 task_req; + struct scsi_lun fc_lun; + DECLARE_COMPLETION_ONSTACK(tm_done); + + /* Wait for rport to unblock */ + fnic_block_error_handler(sc); + + /* Get local-port, check ready and link up */ + lp = shost_priv(sc->device->host); + + fnic = lport_priv(lp); + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "Abort Cmd called FCID 0x%x, LUN 0x%x TAG %d\n", + (starget_to_rport(scsi_target(sc->device)))->port_id, + sc->device->lun, sc->request->tag); + + if (lp->state != LPORT_ST_READY || !(lp->link_up)) { + ret = FAILED; + goto fnic_abort_cmd_end; + } + + /* + * Avoid a race between SCSI issuing the abort and the device + * completing the command. + * + * If the command is already completed by the fw cmpl code, + * we just return SUCCESS from here. This means that the abort + * succeeded. In the SCSI ML, since the timeout for command has + * happened, the completion wont actually complete the command + * and it will be considered as an aborted command + * + * The CMD_SP will not be cleared except while holding io_req_lock. + */ + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + goto fnic_abort_cmd_end; + } + + io_req->abts_done = &tm_done; + + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + goto wait_pending; + } + /* + * Command is still pending, need to abort it + * If the firmware completes the command after this point, + * the completion wont be done till mid-layer, since abort + * has already started. + */ + CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; + CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + + spin_unlock_irqrestore(io_lock, flags); + + /* + * Check readiness of the remote port. If the path to remote + * port is up, then send abts to the remote port to terminate + * the IO. Else, just locally terminate the IO in the firmware + */ + rport = starget_to_rport(scsi_target(sc->device)); + if (fc_remote_port_chkready(rport) == 0) + task_req = FCPIO_ITMF_ABT_TASK; + else + task_req = FCPIO_ITMF_ABT_TASK_TERM; + + /* Now queue the abort command to firmware */ + int_to_scsilun(sc->device->lun, &fc_lun); + + if (fnic_queue_abort_io_req(fnic, sc->request->tag, task_req, + fc_lun.scsi_lun, io_req)) { + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (io_req) + io_req->abts_done = NULL; + spin_unlock_irqrestore(io_lock, flags); + ret = FAILED; + goto fnic_abort_cmd_end; + } + + /* + * We queued an abort IO, wait for its completion. + * Once the firmware completes the abort command, it will + * wake up this thread. + */ + wait_pending: + wait_for_completion_timeout(&tm_done, + msecs_to_jiffies + (2 * fnic->config.ra_tov + + fnic->config.ed_tov)); + + /* Check the abort status */ + spin_lock_irqsave(io_lock, flags); + + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + ret = FAILED; + goto fnic_abort_cmd_end; + } + io_req->abts_done = NULL; + + /* fw did not complete abort, timed out */ + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + ret = FAILED; + goto fnic_abort_cmd_end; + } + + /* + * firmware completed the abort, check the status, + * free the io_req irrespective of failure or success + */ + if (CMD_ABTS_STATUS(sc) != FCPIO_SUCCESS) + ret = FAILED; + + CMD_SP(sc) = NULL; + + spin_unlock_irqrestore(io_lock, flags); + + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); + +fnic_abort_cmd_end: + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Returning from abort cmd %s\n", + (ret == SUCCESS) ? + "SUCCESS" : "FAILED"); + return ret; +} + +static inline int fnic_queue_dr_io_req(struct fnic *fnic, + struct scsi_cmnd *sc, + struct fnic_io_req *io_req) +{ + struct vnic_wq_copy *wq = &fnic->wq_copy[0]; + struct scsi_lun fc_lun; + int ret = 0; + unsigned long intr_flags; + + spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags); + + if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0]) + free_wq_copy_descs(fnic, wq); + + if (!vnic_wq_copy_desc_avail(wq)) { + ret = -EAGAIN; + goto lr_io_req_end; + } + + /* fill in the lun info */ + int_to_scsilun(sc->device->lun, &fc_lun); + + fnic_queue_wq_copy_desc_itmf(wq, sc->request->tag | FNIC_TAG_DEV_RST, + 0, FCPIO_ITMF_LUN_RESET, SCSI_NO_TAG, + fc_lun.scsi_lun, io_req->port_id, + fnic->config.ra_tov, fnic->config.ed_tov); + +lr_io_req_end: + spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags); + + return ret; +} + +/* + * Clean up any pending aborts on the lun + * For each outstanding IO on this lun, whose abort is not completed by fw, + * issue a local abort. Wait for abort to complete. Return 0 if all commands + * successfully aborted, 1 otherwise + */ +static int fnic_clean_pending_aborts(struct fnic *fnic, + struct scsi_cmnd *lr_sc) +{ + int tag; + struct fnic_io_req *io_req; + spinlock_t *io_lock; + unsigned long flags; + int ret = 0; + struct scsi_cmnd *sc; + struct fc_rport *rport; + struct scsi_lun fc_lun; + struct scsi_device *lun_dev = lr_sc->device; + DECLARE_COMPLETION_ONSTACK(tm_done); + + for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) { + sc = scsi_host_find_tag(fnic->lport->host, tag); + /* + * ignore this lun reset cmd or cmds that do not belong to + * this lun + */ + if (!sc || sc == lr_sc || sc->device != lun_dev) + continue; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + + io_req = (struct fnic_io_req *)CMD_SP(sc); + + if (!io_req || sc->device != lun_dev) { + spin_unlock_irqrestore(io_lock, flags); + continue; + } + + /* + * Found IO that is still pending with firmware and + * belongs to the LUN that we are resetting + */ + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Found IO in %s on lun\n", + fnic_ioreq_state_to_str(CMD_STATE(sc))); + + BUG_ON(CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING); + + CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + io_req->abts_done = &tm_done; + spin_unlock_irqrestore(io_lock, flags); + + /* Now queue the abort command to firmware */ + int_to_scsilun(sc->device->lun, &fc_lun); + rport = starget_to_rport(scsi_target(sc->device)); + + if (fnic_queue_abort_io_req(fnic, tag, + FCPIO_ITMF_ABT_TASK_TERM, + fc_lun.scsi_lun, io_req)) { + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (io_req) + io_req->abts_done = NULL; + spin_unlock_irqrestore(io_lock, flags); + ret = 1; + goto clean_pending_aborts_end; + } + + wait_for_completion_timeout(&tm_done, + msecs_to_jiffies + (fnic->config.ed_tov)); + + /* Recheck cmd state to check if it is now aborted */ + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + ret = 1; + goto clean_pending_aborts_end; + } + + io_req->abts_done = NULL; + + /* if abort is still pending with fw, fail */ + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + ret = 1; + goto clean_pending_aborts_end; + } + CMD_SP(sc) = NULL; + spin_unlock_irqrestore(io_lock, flags); + + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); + } + +clean_pending_aborts_end: + return ret; +} + +/* + * SCSI Eh thread issues a Lun Reset when one or more commands on a LUN + * fail to get aborted. It calls driver's eh_device_reset with a SCSI command + * on the LUN. + */ +int fnic_device_reset(struct scsi_cmnd *sc) +{ + struct fc_lport *lp; + struct fnic *fnic; + struct fnic_io_req *io_req; + struct fc_rport *rport; + int status; + int ret = FAILED; + spinlock_t *io_lock; + unsigned long flags; + DECLARE_COMPLETION_ONSTACK(tm_done); + + /* Wait for rport to unblock */ + fnic_block_error_handler(sc); + + /* Get local-port, check ready and link up */ + lp = shost_priv(sc->device->host); + + fnic = lport_priv(lp); + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "Device reset called FCID 0x%x, LUN 0x%x\n", + (starget_to_rport(scsi_target(sc->device)))->port_id, + sc->device->lun); + + + if (lp->state != LPORT_ST_READY || !(lp->link_up)) + goto fnic_device_reset_end; + + /* Check if remote port up */ + rport = starget_to_rport(scsi_target(sc->device)); + if (fc_remote_port_chkready(rport)) + goto fnic_device_reset_end; + + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + + /* + * If there is a io_req attached to this command, then use it, + * else allocate a new one. + */ + if (!io_req) { + io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + goto fnic_device_reset_end; + } + memset(io_req, 0, sizeof(*io_req)); + io_req->port_id = rport->port_id; + CMD_SP(sc) = (char *)io_req; + } + io_req->dr_done = &tm_done; + CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING; + CMD_LR_STATUS(sc) = FCPIO_INVALID_CODE; + spin_unlock_irqrestore(io_lock, flags); + + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "TAG %d\n", + sc->request->tag); + + /* + * issue the device reset, if enqueue failed, clean up the ioreq + * and break assoc with scsi cmd + */ + if (fnic_queue_dr_io_req(fnic, sc, io_req)) { + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (io_req) + io_req->dr_done = NULL; + goto fnic_device_reset_clean; + } + + /* + * Wait on the local completion for LUN reset. The io_req may be + * freed while we wait since we hold no lock. + */ + wait_for_completion_timeout(&tm_done, + msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT)); + + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + goto fnic_device_reset_end; + } + io_req->dr_done = NULL; + + status = CMD_LR_STATUS(sc); + spin_unlock_irqrestore(io_lock, flags); + + /* + * If lun reset not completed, bail out with failed. io_req + * gets cleaned up during higher levels of EH + */ + if (status == FCPIO_INVALID_CODE) { + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Device reset timed out\n"); + goto fnic_device_reset_end; + } + + /* Completed, but not successful, clean up the io_req, return fail */ + if (status != FCPIO_SUCCESS) { + spin_lock_irqsave(io_lock, flags); + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "Device reset completed - failed\n"); + io_req = (struct fnic_io_req *)CMD_SP(sc); + goto fnic_device_reset_clean; + } + + /* + * Clean up any aborts on this lun that have still not + * completed. If any of these fail, then LUN reset fails. + * clean_pending_aborts cleans all cmds on this lun except + * the lun reset cmd. If all cmds get cleaned, the lun reset + * succeeds + */ + if (fnic_clean_pending_aborts(fnic, sc)) { + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Device reset failed" + " since could not abort all IOs\n"); + goto fnic_device_reset_clean; + } + + /* Clean lun reset command */ + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (io_req) + /* Completed, and successful */ + ret = SUCCESS; + +fnic_device_reset_clean: + if (io_req) + CMD_SP(sc) = NULL; + + spin_unlock_irqrestore(io_lock, flags); + + if (io_req) { + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); + } + +fnic_device_reset_end: + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Returning from device reset %s\n", + (ret == SUCCESS) ? + "SUCCESS" : "FAILED"); + return ret; +} + +/* Clean up all IOs, clean up libFC local port */ +int fnic_reset(struct Scsi_Host *shost) +{ + struct fc_lport *lp; + struct fnic *fnic; + int ret = SUCCESS; + + lp = shost_priv(shost); + fnic = lport_priv(lp); + + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "fnic_reset called\n"); + + /* + * Reset local port, this will clean up libFC exchanges, + * reset remote port sessions, and if link is up, begin flogi + */ + if (lp->tt.lport_reset(lp)) + ret = FAILED; + + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Returning from fnic reset %s\n", + (ret == SUCCESS) ? + "SUCCESS" : "FAILED"); + + return ret; +} + +/* + * SCSI Error handling calls driver's eh_host_reset if all prior + * error handling levels return FAILED. If host reset completes + * successfully, and if link is up, then Fabric login begins. + * + * Host Reset is the highest level of error recovery. If this fails, then + * host is offlined by SCSI. + * + */ +int fnic_host_reset(struct scsi_cmnd *sc) +{ + int ret; + unsigned long wait_host_tmo; + struct Scsi_Host *shost = sc->device->host; + struct fc_lport *lp = shost_priv(shost); + + /* + * If fnic_reset is successful, wait for fabric login to complete + * scsi-ml tries to send a TUR to every device if host reset is + * successful, so before returning to scsi, fabric should be up + */ + ret = fnic_reset(shost); + if (ret == SUCCESS) { + wait_host_tmo = jiffies + FNIC_HOST_RESET_SETTLE_TIME * HZ; + ret = FAILED; + while (time_before(jiffies, wait_host_tmo)) { + if ((lp->state == LPORT_ST_READY) && + (lp->link_up)) { + ret = SUCCESS; + break; + } + ssleep(1); + } + } + + return ret; +} + +/* + * This fxn is called from libFC when host is removed + */ +void fnic_scsi_abort_io(struct fc_lport *lp) +{ + int err = 0; + unsigned long flags; + enum fnic_state old_state; + struct fnic *fnic = lport_priv(lp); + DECLARE_COMPLETION_ONSTACK(remove_wait); + + /* Issue firmware reset for fnic, wait for reset to complete */ + spin_lock_irqsave(&fnic->fnic_lock, flags); + fnic->remove_wait = &remove_wait; + old_state = fnic->state; + fnic->state = FNIC_IN_FC_TRANS_ETH_MODE; + vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr); + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + err = fnic_fw_reset_handler(fnic); + if (err) { + spin_lock_irqsave(&fnic->fnic_lock, flags); + if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE) + fnic->state = old_state; + fnic->remove_wait = NULL; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + return; + } + + /* Wait for firmware reset to complete */ + wait_for_completion_timeout(&remove_wait, + msecs_to_jiffies(FNIC_RMDEVICE_TIMEOUT)); + + spin_lock_irqsave(&fnic->fnic_lock, flags); + fnic->remove_wait = NULL; + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "fnic_scsi_abort_io %s\n", + (fnic->state == FNIC_IN_ETH_MODE) ? + "SUCCESS" : "FAILED"); + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + +} + +/* + * This fxn called from libFC to clean up driver IO state on link down + */ +void fnic_scsi_cleanup(struct fc_lport *lp) +{ + unsigned long flags; + enum fnic_state old_state; + struct fnic *fnic = lport_priv(lp); + + /* issue fw reset */ + spin_lock_irqsave(&fnic->fnic_lock, flags); + old_state = fnic->state; + fnic->state = FNIC_IN_FC_TRANS_ETH_MODE; + vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr); + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + + if (fnic_fw_reset_handler(fnic)) { + spin_lock_irqsave(&fnic->fnic_lock, flags); + if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE) + fnic->state = old_state; + spin_unlock_irqrestore(&fnic->fnic_lock, flags); + } + +} + +void fnic_empty_scsi_cleanup(struct fc_lport *lp) +{ +} + +void fnic_exch_mgr_reset(struct fc_lport *lp, u32 sid, u32 did) +{ + struct fnic *fnic = lport_priv(lp); + + /* Non-zero sid, nothing to do */ + if (sid) + goto call_fc_exch_mgr_reset; + + if (did) { + fnic_rport_exch_reset(fnic, did); + goto call_fc_exch_mgr_reset; + } + + /* + * sid = 0, did = 0 + * link down or device being removed + */ + if (!fnic->in_remove) + fnic_scsi_cleanup(lp); + else + fnic_scsi_abort_io(lp); + + /* call libFC exch mgr reset to reset its exchanges */ +call_fc_exch_mgr_reset: + fc_exch_mgr_reset(lp, sid, did); + +} diff --git a/drivers/scsi/fnic/rq_enet_desc.h b/drivers/scsi/fnic/rq_enet_desc.h new file mode 100644 index 00000000000..92e80ae6b72 --- /dev/null +++ b/drivers/scsi/fnic/rq_enet_desc.h @@ -0,0 +1,58 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _RQ_ENET_DESC_H_ +#define _RQ_ENET_DESC_H_ + +/* Ethernet receive queue descriptor: 16B */ +struct rq_enet_desc { + __le64 address; + __le16 length_type; + u8 reserved[6]; +}; + +enum rq_enet_type_types { + RQ_ENET_TYPE_ONLY_SOP = 0, + RQ_ENET_TYPE_NOT_SOP = 1, + RQ_ENET_TYPE_RESV2 = 2, + RQ_ENET_TYPE_RESV3 = 3, +}; + +#define RQ_ENET_ADDR_BITS 64 +#define RQ_ENET_LEN_BITS 14 +#define RQ_ENET_LEN_MASK ((1 << RQ_ENET_LEN_BITS) - 1) +#define RQ_ENET_TYPE_BITS 2 +#define RQ_ENET_TYPE_MASK ((1 << RQ_ENET_TYPE_BITS) - 1) + +static inline void rq_enet_desc_enc(struct rq_enet_desc *desc, + u64 address, u8 type, u16 length) +{ + desc->address = cpu_to_le64(address); + desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) | + ((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS)); +} + +static inline void rq_enet_desc_dec(struct rq_enet_desc *desc, + u64 *address, u8 *type, u16 *length) +{ + *address = le64_to_cpu(desc->address); + *length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK; + *type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) & + RQ_ENET_TYPE_MASK); +} + +#endif /* _RQ_ENET_DESC_H_ */ diff --git a/drivers/scsi/fnic/vnic_cq.c b/drivers/scsi/fnic/vnic_cq.c new file mode 100644 index 00000000000..c5db32eda5e --- /dev/null +++ b/drivers/scsi/fnic/vnic_cq.c @@ -0,0 +1,85 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/pci.h> +#include "vnic_dev.h" +#include "vnic_cq.h" + +void vnic_cq_free(struct vnic_cq *cq) +{ + vnic_dev_free_desc_ring(cq->vdev, &cq->ring); + + cq->ctrl = NULL; +} + +int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + cq->index = index; + cq->vdev = vdev; + + cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index); + if (!cq->ctrl) { + printk(KERN_ERR "Failed to hook CQ[%d] resource\n", index); + return -EINVAL; + } + + err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size); + if (err) + return err; + + return 0; +} + +void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, + unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, + unsigned int cq_tail_color, unsigned int interrupt_enable, + unsigned int cq_entry_enable, unsigned int cq_message_enable, + unsigned int interrupt_offset, u64 cq_message_addr) +{ + u64 paddr; + + paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &cq->ctrl->ring_base); + iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size); + iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable); + iowrite32(color_enable, &cq->ctrl->color_enable); + iowrite32(cq_head, &cq->ctrl->cq_head); + iowrite32(cq_tail, &cq->ctrl->cq_tail); + iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color); + iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable); + iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable); + iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable); + iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset); + writeq(cq_message_addr, &cq->ctrl->cq_message_addr); +} + +void vnic_cq_clean(struct vnic_cq *cq) +{ + cq->to_clean = 0; + cq->last_color = 0; + + iowrite32(0, &cq->ctrl->cq_head); + iowrite32(0, &cq->ctrl->cq_tail); + iowrite32(1, &cq->ctrl->cq_tail_color); + + vnic_dev_clear_desc_ring(&cq->ring); +} diff --git a/drivers/scsi/fnic/vnic_cq.h b/drivers/scsi/fnic/vnic_cq.h new file mode 100644 index 00000000000..4ede6809fb1 --- /dev/null +++ b/drivers/scsi/fnic/vnic_cq.h @@ -0,0 +1,121 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_CQ_H_ +#define _VNIC_CQ_H_ + +#include "cq_desc.h" +#include "vnic_dev.h" + +/* + * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth + * Driver) when both are built with CONFIG options =y + */ +#define vnic_cq_service fnic_cq_service +#define vnic_cq_free fnic_cq_free +#define vnic_cq_alloc fnic_cq_alloc +#define vnic_cq_init fnic_cq_init +#define vnic_cq_clean fnic_cq_clean + +/* Completion queue control */ +struct vnic_cq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 flow_control_enable; /* 0x10 */ + u32 pad1; + u32 color_enable; /* 0x18 */ + u32 pad2; + u32 cq_head; /* 0x20 */ + u32 pad3; + u32 cq_tail; /* 0x28 */ + u32 pad4; + u32 cq_tail_color; /* 0x30 */ + u32 pad5; + u32 interrupt_enable; /* 0x38 */ + u32 pad6; + u32 cq_entry_enable; /* 0x40 */ + u32 pad7; + u32 cq_message_enable; /* 0x48 */ + u32 pad8; + u32 interrupt_offset; /* 0x50 */ + u32 pad9; + u64 cq_message_addr; /* 0x58 */ + u32 pad10; +}; + +struct vnic_cq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + unsigned int to_clean; + unsigned int last_color; +}; + +static inline unsigned int vnic_cq_service(struct vnic_cq *cq, + unsigned int work_to_do, + int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc, + u8 type, u16 q_number, u16 completed_index, void *opaque), + void *opaque) +{ + struct cq_desc *cq_desc; + unsigned int work_done = 0; + u16 q_number, completed_index; + u8 type, color; + + cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + cq_desc_dec(cq_desc, &type, &color, + &q_number, &completed_index); + + while (color != cq->last_color) { + + if ((*q_service)(cq->vdev, cq_desc, type, + q_number, completed_index, opaque)) + break; + + cq->to_clean++; + if (cq->to_clean == cq->ring.desc_count) { + cq->to_clean = 0; + cq->last_color = cq->last_color ? 0 : 1; + } + + cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + cq_desc_dec(cq_desc, &type, &color, + &q_number, &completed_index); + + work_done++; + if (work_done >= work_to_do) + break; + } + + return work_done; +} + +void vnic_cq_free(struct vnic_cq *cq); +int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, + unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, + unsigned int cq_tail_color, unsigned int interrupt_enable, + unsigned int cq_entry_enable, unsigned int message_enable, + unsigned int interrupt_offset, u64 message_addr); +void vnic_cq_clean(struct vnic_cq *cq); + +#endif /* _VNIC_CQ_H_ */ diff --git a/drivers/scsi/fnic/vnic_cq_copy.h b/drivers/scsi/fnic/vnic_cq_copy.h new file mode 100644 index 00000000000..7901ce255a8 --- /dev/null +++ b/drivers/scsi/fnic/vnic_cq_copy.h @@ -0,0 +1,62 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_CQ_COPY_H_ +#define _VNIC_CQ_COPY_H_ + +#include "fcpio.h" + +static inline unsigned int vnic_cq_copy_service( + struct vnic_cq *cq, + int (*q_service)(struct vnic_dev *vdev, + unsigned int index, + struct fcpio_fw_req *desc), + unsigned int work_to_do) + +{ + struct fcpio_fw_req *desc; + unsigned int work_done = 0; + u8 color; + + desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + fcpio_color_dec(desc, &color); + + while (color != cq->last_color) { + + if ((*q_service)(cq->vdev, cq->index, desc)) + break; + + cq->to_clean++; + if (cq->to_clean == cq->ring.desc_count) { + cq->to_clean = 0; + cq->last_color = cq->last_color ? 0 : 1; + } + + desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + fcpio_color_dec(desc, &color); + + work_done++; + if (work_done >= work_to_do) + break; + } + + return work_done; +} + +#endif /* _VNIC_CQ_COPY_H_ */ diff --git a/drivers/scsi/fnic/vnic_dev.c b/drivers/scsi/fnic/vnic_dev.c new file mode 100644 index 00000000000..56677064508 --- /dev/null +++ b/drivers/scsi/fnic/vnic_dev.c @@ -0,0 +1,690 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/if_ether.h> +#include "vnic_resource.h" +#include "vnic_devcmd.h" +#include "vnic_dev.h" +#include "vnic_stats.h" + +struct vnic_res { + void __iomem *vaddr; + unsigned int count; +}; + +struct vnic_dev { + void *priv; + struct pci_dev *pdev; + struct vnic_res res[RES_TYPE_MAX]; + enum vnic_dev_intr_mode intr_mode; + struct vnic_devcmd __iomem *devcmd; + struct vnic_devcmd_notify *notify; + struct vnic_devcmd_notify notify_copy; + dma_addr_t notify_pa; + u32 *linkstatus; + dma_addr_t linkstatus_pa; + struct vnic_stats *stats; + dma_addr_t stats_pa; + struct vnic_devcmd_fw_info *fw_info; + dma_addr_t fw_info_pa; +}; + +#define VNIC_MAX_RES_HDR_SIZE \ + (sizeof(struct vnic_resource_header) + \ + sizeof(struct vnic_resource) * RES_TYPE_MAX) +#define VNIC_RES_STRIDE 128 + +void *vnic_dev_priv(struct vnic_dev *vdev) +{ + return vdev->priv; +} + +static int vnic_dev_discover_res(struct vnic_dev *vdev, + struct vnic_dev_bar *bar) +{ + struct vnic_resource_header __iomem *rh; + struct vnic_resource __iomem *r; + u8 type; + + if (bar->len < VNIC_MAX_RES_HDR_SIZE) { + printk(KERN_ERR "vNIC BAR0 res hdr length error\n"); + return -EINVAL; + } + + rh = bar->vaddr; + if (!rh) { + printk(KERN_ERR "vNIC BAR0 res hdr not mem-mapped\n"); + return -EINVAL; + } + + if (ioread32(&rh->magic) != VNIC_RES_MAGIC || + ioread32(&rh->version) != VNIC_RES_VERSION) { + printk(KERN_ERR "vNIC BAR0 res magic/version error " + "exp (%lx/%lx) curr (%x/%x)\n", + VNIC_RES_MAGIC, VNIC_RES_VERSION, + ioread32(&rh->magic), ioread32(&rh->version)); + return -EINVAL; + } + + r = (struct vnic_resource __iomem *)(rh + 1); + + while ((type = ioread8(&r->type)) != RES_TYPE_EOL) { + + u8 bar_num = ioread8(&r->bar); + u32 bar_offset = ioread32(&r->bar_offset); + u32 count = ioread32(&r->count); + u32 len; + + r++; + + if (bar_num != 0) /* only mapping in BAR0 resources */ + continue; + + switch (type) { + case RES_TYPE_WQ: + case RES_TYPE_RQ: + case RES_TYPE_CQ: + case RES_TYPE_INTR_CTRL: + /* each count is stride bytes long */ + len = count * VNIC_RES_STRIDE; + if (len + bar_offset > bar->len) { + printk(KERN_ERR "vNIC BAR0 resource %d " + "out-of-bounds, offset 0x%x + " + "size 0x%x > bar len 0x%lx\n", + type, bar_offset, + len, + bar->len); + return -EINVAL; + } + break; + case RES_TYPE_INTR_PBA_LEGACY: + case RES_TYPE_DEVCMD: + len = count; + break; + default: + continue; + } + + vdev->res[type].count = count; + vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset; + } + + return 0; +} + +unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, + enum vnic_res_type type) +{ + return vdev->res[type].count; +} + +void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, + unsigned int index) +{ + if (!vdev->res[type].vaddr) + return NULL; + + switch (type) { + case RES_TYPE_WQ: + case RES_TYPE_RQ: + case RES_TYPE_CQ: + case RES_TYPE_INTR_CTRL: + return (char __iomem *)vdev->res[type].vaddr + + index * VNIC_RES_STRIDE; + default: + return (char __iomem *)vdev->res[type].vaddr; + } +} + +unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, + unsigned int desc_count, + unsigned int desc_size) +{ + /* The base address of the desc rings must be 512 byte aligned. + * Descriptor count is aligned to groups of 32 descriptors. A + * count of 0 means the maximum 4096 descriptors. Descriptor + * size is aligned to 16 bytes. + */ + + unsigned int count_align = 32; + unsigned int desc_align = 16; + + ring->base_align = 512; + + if (desc_count == 0) + desc_count = 4096; + + ring->desc_count = ALIGN(desc_count, count_align); + + ring->desc_size = ALIGN(desc_size, desc_align); + + ring->size = ring->desc_count * ring->desc_size; + ring->size_unaligned = ring->size + ring->base_align; + + return ring->size_unaligned; +} + +void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring) +{ + memset(ring->descs, 0, ring->size); +} + +int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size) +{ + vnic_dev_desc_ring_size(ring, desc_count, desc_size); + + ring->descs_unaligned = pci_alloc_consistent(vdev->pdev, + ring->size_unaligned, + &ring->base_addr_unaligned); + + if (!ring->descs_unaligned) { + printk(KERN_ERR + "Failed to allocate ring (size=%d), aborting\n", + (int)ring->size); + return -ENOMEM; + } + + ring->base_addr = ALIGN(ring->base_addr_unaligned, + ring->base_align); + ring->descs = (u8 *)ring->descs_unaligned + + (ring->base_addr - ring->base_addr_unaligned); + + vnic_dev_clear_desc_ring(ring); + + ring->desc_avail = ring->desc_count - 1; + + return 0; +} + +void vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring) +{ + if (ring->descs) { + pci_free_consistent(vdev->pdev, + ring->size_unaligned, + ring->descs_unaligned, + ring->base_addr_unaligned); + ring->descs = NULL; + } +} + +int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + u64 *a0, u64 *a1, int wait) +{ + struct vnic_devcmd __iomem *devcmd = vdev->devcmd; + int delay; + u32 status; + int dev_cmd_err[] = { + /* convert from fw's version of error.h to host's version */ + 0, /* ERR_SUCCESS */ + EINVAL, /* ERR_EINVAL */ + EFAULT, /* ERR_EFAULT */ + EPERM, /* ERR_EPERM */ + EBUSY, /* ERR_EBUSY */ + }; + int err; + + status = ioread32(&devcmd->status); + if (status & STAT_BUSY) { + printk(KERN_ERR "Busy devcmd %d\n", _CMD_N(cmd)); + return -EBUSY; + } + + if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) { + writeq(*a0, &devcmd->args[0]); + writeq(*a1, &devcmd->args[1]); + wmb(); + } + + iowrite32(cmd, &devcmd->cmd); + + if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT)) + return 0; + + for (delay = 0; delay < wait; delay++) { + + udelay(100); + + status = ioread32(&devcmd->status); + if (!(status & STAT_BUSY)) { + + if (status & STAT_ERROR) { + err = dev_cmd_err[(int)readq(&devcmd->args[0])]; + printk(KERN_ERR "Error %d devcmd %d\n", + err, _CMD_N(cmd)); + return -err; + } + + if (_CMD_DIR(cmd) & _CMD_DIR_READ) { + rmb(); + *a0 = readq(&devcmd->args[0]); + *a1 = readq(&devcmd->args[1]); + } + + return 0; + } + } + + printk(KERN_ERR "Timedout devcmd %d\n", _CMD_N(cmd)); + return -ETIMEDOUT; +} + +int vnic_dev_fw_info(struct vnic_dev *vdev, + struct vnic_devcmd_fw_info **fw_info) +{ + u64 a0, a1 = 0; + int wait = 1000; + int err = 0; + + if (!vdev->fw_info) { + vdev->fw_info = pci_alloc_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_fw_info), + &vdev->fw_info_pa); + if (!vdev->fw_info) + return -ENOMEM; + + a0 = vdev->fw_info_pa; + + /* only get fw_info once and cache it */ + err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait); + } + + *fw_info = vdev->fw_info; + + return err; +} + +int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size, + void *value) +{ + u64 a0, a1; + int wait = 1000; + int err; + + a0 = offset; + a1 = size; + + err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait); + + switch (size) { + case 1: + *(u8 *)value = (u8)a0; + break; + case 2: + *(u16 *)value = (u16)a0; + break; + case 4: + *(u32 *)value = (u32)a0; + break; + case 8: + *(u64 *)value = a0; + break; + default: + BUG(); + break; + } + + return err; +} + +int vnic_dev_stats_clear(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait); +} + +int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats) +{ + u64 a0, a1; + int wait = 1000; + + if (!vdev->stats) { + vdev->stats = pci_alloc_consistent(vdev->pdev, + sizeof(struct vnic_stats), &vdev->stats_pa); + if (!vdev->stats) + return -ENOMEM; + } + + *stats = vdev->stats; + a0 = vdev->stats_pa; + a1 = sizeof(struct vnic_stats); + + return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait); +} + +int vnic_dev_close(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait); +} + +int vnic_dev_enable(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); +} + +int vnic_dev_disable(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait); +} + +int vnic_dev_open(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait); +} + +int vnic_dev_open_done(struct vnic_dev *vdev, int *done) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + + *done = 0; + + err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait); + if (err) + return err; + + *done = (a0 == 0); + + return 0; +} + +int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait); +} + +int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + + *done = 0; + + err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait); + if (err) + return err; + + *done = (a0 == 0); + + return 0; +} + +int vnic_dev_hang_notify(struct vnic_dev *vdev) +{ + u64 a0, a1; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait); +} + +int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr) +{ + u64 a0, a1; + int wait = 1000; + int err, i; + + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = 0; + + err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait); + if (err) + return err; + + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = ((u8 *)&a0)[i]; + + return 0; +} + +void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, + int broadcast, int promisc, int allmulti) +{ + u64 a0, a1 = 0; + int wait = 1000; + int err; + + a0 = (directed ? CMD_PFILTER_DIRECTED : 0) | + (multicast ? CMD_PFILTER_MULTICAST : 0) | + (broadcast ? CMD_PFILTER_BROADCAST : 0) | + (promisc ? CMD_PFILTER_PROMISCUOUS : 0) | + (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0); + + err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); + if (err) + printk(KERN_ERR "Can't set packet filter\n"); +} + +void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + int i; + + for (i = 0; i < ETH_ALEN; i++) + ((u8 *)&a0)[i] = addr[i]; + + err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); + if (err) + printk(KERN_ERR + "Can't add addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], + err); +} + +void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + int i; + + for (i = 0; i < ETH_ALEN; i++) + ((u8 *)&a0)[i] = addr[i]; + + err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait); + if (err) + printk(KERN_ERR + "Can't del addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], + err); +} + +int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr) +{ + u64 a0, a1; + int wait = 1000; + + if (!vdev->notify) { + vdev->notify = pci_alloc_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_notify), + &vdev->notify_pa); + if (!vdev->notify) + return -ENOMEM; + } + + a0 = vdev->notify_pa; + a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL; + a1 += sizeof(struct vnic_devcmd_notify); + + return vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); +} + +void vnic_dev_notify_unset(struct vnic_dev *vdev) +{ + u64 a0, a1; + int wait = 1000; + + a0 = 0; /* paddr = 0 to unset notify buffer */ + a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */ + a1 += sizeof(struct vnic_devcmd_notify); + + vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); +} + +static int vnic_dev_notify_ready(struct vnic_dev *vdev) +{ + u32 *words; + unsigned int nwords = sizeof(struct vnic_devcmd_notify) / 4; + unsigned int i; + u32 csum; + + if (!vdev->notify) + return 0; + + do { + csum = 0; + memcpy(&vdev->notify_copy, vdev->notify, + sizeof(struct vnic_devcmd_notify)); + words = (u32 *)&vdev->notify_copy; + for (i = 1; i < nwords; i++) + csum += words[i]; + } while (csum != words[0]); + + return 1; +} + +int vnic_dev_init(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); +} + +int vnic_dev_link_status(struct vnic_dev *vdev) +{ + if (vdev->linkstatus) + return *vdev->linkstatus; + + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.link_state; +} + +u32 vnic_dev_port_speed(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.port_speed; +} + +u32 vnic_dev_msg_lvl(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.msglvl; +} + +u32 vnic_dev_mtu(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.mtu; +} + +u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.link_down_cnt; +} + +void vnic_dev_set_intr_mode(struct vnic_dev *vdev, + enum vnic_dev_intr_mode intr_mode) +{ + vdev->intr_mode = intr_mode; +} + +enum vnic_dev_intr_mode vnic_dev_get_intr_mode( + struct vnic_dev *vdev) +{ + return vdev->intr_mode; +} + +void vnic_dev_unregister(struct vnic_dev *vdev) +{ + if (vdev) { + if (vdev->notify) + pci_free_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_notify), + vdev->notify, + vdev->notify_pa); + if (vdev->linkstatus) + pci_free_consistent(vdev->pdev, + sizeof(u32), + vdev->linkstatus, + vdev->linkstatus_pa); + if (vdev->stats) + pci_free_consistent(vdev->pdev, + sizeof(struct vnic_dev), + vdev->stats, vdev->stats_pa); + if (vdev->fw_info) + pci_free_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_fw_info), + vdev->fw_info, vdev->fw_info_pa); + kfree(vdev); + } +} + +struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, + void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar) +{ + if (!vdev) { + vdev = kzalloc(sizeof(struct vnic_dev), GFP_KERNEL); + if (!vdev) + return NULL; + } + + vdev->priv = priv; + vdev->pdev = pdev; + + if (vnic_dev_discover_res(vdev, bar)) + goto err_out; + + vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); + if (!vdev->devcmd) + goto err_out; + + return vdev; + +err_out: + vnic_dev_unregister(vdev); + return NULL; +} diff --git a/drivers/scsi/fnic/vnic_dev.h b/drivers/scsi/fnic/vnic_dev.h new file mode 100644 index 00000000000..f9935a8a5a0 --- /dev/null +++ b/drivers/scsi/fnic/vnic_dev.h @@ -0,0 +1,161 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_DEV_H_ +#define _VNIC_DEV_H_ + +#include "vnic_resource.h" +#include "vnic_devcmd.h" + +/* + * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth + * Driver) when both are built with CONFIG options =y + */ +#define vnic_dev_priv fnic_dev_priv +#define vnic_dev_get_res_count fnic_dev_get_res_count +#define vnic_dev_get_res fnic_dev_get_res +#define vnic_dev_desc_ring_size fnic_dev_desc_ring_siz +#define vnic_dev_clear_desc_ring fnic_dev_clear_desc_ring +#define vnic_dev_alloc_desc_ring fnic_dev_alloc_desc_ring +#define vnic_dev_free_desc_ring fnic_dev_free_desc_ring +#define vnic_dev_cmd fnic_dev_cmd +#define vnic_dev_fw_info fnic_dev_fw_info +#define vnic_dev_spec fnic_dev_spec +#define vnic_dev_stats_clear fnic_dev_stats_clear +#define vnic_dev_stats_dump fnic_dev_stats_dump +#define vnic_dev_hang_notify fnic_dev_hang_notify +#define vnic_dev_packet_filter fnic_dev_packet_filter +#define vnic_dev_add_addr fnic_dev_add_addr +#define vnic_dev_del_addr fnic_dev_del_addr +#define vnic_dev_mac_addr fnic_dev_mac_addr +#define vnic_dev_notify_set fnic_dev_notify_set +#define vnic_dev_notify_unset fnic_dev_notify_unset +#define vnic_dev_link_status fnic_dev_link_status +#define vnic_dev_port_speed fnic_dev_port_speed +#define vnic_dev_msg_lvl fnic_dev_msg_lvl +#define vnic_dev_mtu fnic_dev_mtu +#define vnic_dev_link_down_cnt fnic_dev_link_down_cnt +#define vnic_dev_close fnic_dev_close +#define vnic_dev_enable fnic_dev_enable +#define vnic_dev_disable fnic_dev_disable +#define vnic_dev_open fnic_dev_open +#define vnic_dev_open_done fnic_dev_open_done +#define vnic_dev_init fnic_dev_init +#define vnic_dev_soft_reset fnic_dev_soft_reset +#define vnic_dev_soft_reset_done fnic_dev_soft_reset_done +#define vnic_dev_set_intr_mode fnic_dev_set_intr_mode +#define vnic_dev_get_intr_mode fnic_dev_get_intr_mode +#define vnic_dev_unregister fnic_dev_unregister +#define vnic_dev_register fnic_dev_register + +#ifndef VNIC_PADDR_TARGET +#define VNIC_PADDR_TARGET 0x0000000000000000ULL +#endif + +#ifndef readq +static inline u64 readq(void __iomem *reg) +{ + return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg); +} + +static inline void writeq(u64 val, void __iomem *reg) +{ + writel(val & 0xffffffff, reg); + writel(val >> 32, reg + 0x4UL); +} +#endif + +enum vnic_dev_intr_mode { + VNIC_DEV_INTR_MODE_UNKNOWN, + VNIC_DEV_INTR_MODE_INTX, + VNIC_DEV_INTR_MODE_MSI, + VNIC_DEV_INTR_MODE_MSIX, +}; + +struct vnic_dev_bar { + void __iomem *vaddr; + dma_addr_t bus_addr; + unsigned long len; +}; + +struct vnic_dev_ring { + void *descs; + size_t size; + dma_addr_t base_addr; + size_t base_align; + void *descs_unaligned; + size_t size_unaligned; + dma_addr_t base_addr_unaligned; + unsigned int desc_size; + unsigned int desc_count; + unsigned int desc_avail; +}; + +struct vnic_dev; +struct vnic_stats; + +void *vnic_dev_priv(struct vnic_dev *vdev); +unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, + enum vnic_res_type type); +void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, + unsigned int index); +unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, + unsigned int desc_count, + unsigned int desc_size); +void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); +int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size); +void vnic_dev_free_desc_ring(struct vnic_dev *vdev, + struct vnic_dev_ring *ring); +int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + u64 *a0, u64 *a1, int wait); +int vnic_dev_fw_info(struct vnic_dev *vdev, + struct vnic_devcmd_fw_info **fw_info); +int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, + unsigned int size, void *value); +int vnic_dev_stats_clear(struct vnic_dev *vdev); +int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); +int vnic_dev_hang_notify(struct vnic_dev *vdev); +void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, + int broadcast, int promisc, int allmulti); +void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr); +void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr); +int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); +int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); +void vnic_dev_notify_unset(struct vnic_dev *vdev); +int vnic_dev_link_status(struct vnic_dev *vdev); +u32 vnic_dev_port_speed(struct vnic_dev *vdev); +u32 vnic_dev_msg_lvl(struct vnic_dev *vdev); +u32 vnic_dev_mtu(struct vnic_dev *vdev); +u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev); +int vnic_dev_close(struct vnic_dev *vdev); +int vnic_dev_enable(struct vnic_dev *vdev); +int vnic_dev_disable(struct vnic_dev *vdev); +int vnic_dev_open(struct vnic_dev *vdev, int arg); +int vnic_dev_open_done(struct vnic_dev *vdev, int *done); +int vnic_dev_init(struct vnic_dev *vdev, int arg); +int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg); +int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done); +void vnic_dev_set_intr_mode(struct vnic_dev *vdev, + enum vnic_dev_intr_mode intr_mode); +enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev); +void vnic_dev_unregister(struct vnic_dev *vdev); +struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, + void *priv, struct pci_dev *pdev, + struct vnic_dev_bar *bar); + +#endif /* _VNIC_DEV_H_ */ diff --git a/drivers/scsi/fnic/vnic_devcmd.h b/drivers/scsi/fnic/vnic_devcmd.h new file mode 100644 index 00000000000..d62b9061bf1 --- /dev/null +++ b/drivers/scsi/fnic/vnic_devcmd.h @@ -0,0 +1,281 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_DEVCMD_H_ +#define _VNIC_DEVCMD_H_ + +#define _CMD_NBITS 14 +#define _CMD_VTYPEBITS 10 +#define _CMD_FLAGSBITS 6 +#define _CMD_DIRBITS 2 + +#define _CMD_NMASK ((1 << _CMD_NBITS)-1) +#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1) +#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1) +#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1) + +#define _CMD_NSHIFT 0 +#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS) +#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS) +#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS) + +/* + * Direction bits (from host perspective). + */ +#define _CMD_DIR_NONE 0U +#define _CMD_DIR_WRITE 1U +#define _CMD_DIR_READ 2U +#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ) + +/* + * Flag bits. + */ +#define _CMD_FLAGS_NONE 0U +#define _CMD_FLAGS_NOWAIT 1U + +/* + * vNIC type bits. + */ +#define _CMD_VTYPE_NONE 0U +#define _CMD_VTYPE_ENET 1U +#define _CMD_VTYPE_FC 2U +#define _CMD_VTYPE_SCSI 4U +#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI) + +/* + * Used to create cmds.. +*/ +#define _CMDCF(dir, flags, vtype, nr) \ + (((dir) << _CMD_DIRSHIFT) | \ + ((flags) << _CMD_FLAGSSHIFT) | \ + ((vtype) << _CMD_VTYPESHIFT) | \ + ((nr) << _CMD_NSHIFT)) +#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr) +#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr) + +/* + * Used to decode cmds.. +*/ +#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK) +#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK) +#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK) +#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK) + +enum vnic_devcmd_cmd { + CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0), + + /* mcpu fw info in mem: (u64)a0=paddr to struct vnic_devcmd_fw_info */ + CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1), + + /* dev-specific block member: + * in: (u16)a0=offset,(u8)a1=size + * out: a0=value */ + CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2), + + /* stats clear */ + CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3), + + /* stats dump in mem: (u64)a0=paddr to stats area, + * (u16)a1=sizeof stats area */ + CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4), + + /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */ + CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7), + + /* hang detection notification */ + CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8), + + /* MAC address in (u48)a0 */ + CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9), + + /* disable/enable promisc mode: (u8)a0=0/1 */ +/***** XXX DEPRECATED *****/ + CMD_PROMISC_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 10), + + /* disable/enable all-multi mode: (u8)a0=0/1 */ +/***** XXX DEPRECATED *****/ + CMD_ALLMULTI_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 11), + + /* add addr from (u48)a0 */ + CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12), + + /* del addr from (u48)a0 */ + CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13), + + /* add VLAN id in (u16)a0 */ + CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14), + + /* del VLAN id in (u16)a0 */ + CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15), + + /* nic_cfg in (u32)a0 */ + CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16), + + /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */ + CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17), + + /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */ + CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18), + + /* initiate softreset */ + CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19), + + /* softreset status: + * out: a0=0 reset complete, a0=1 reset in progress */ + CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20), + + /* set struct vnic_devcmd_notify buffer in mem: + * in: + * (u64)a0=paddr to notify (set paddr=0 to unset) + * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify) + * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr) + * out: + * (u32)a1 = effective size + */ + CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21), + + /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct, + * (u8)a1=PXENV_UNDI_xxx */ + CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22), + + /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */ + CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23), + + /* open status: + * out: a0=0 open complete, a0=1 open in progress */ + CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24), + + /* close vnic */ + CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25), + + /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */ + CMD_INIT = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26), + + /* variant of CMD_INIT, with provisioning info + * (u64)a0=paddr of vnic_devcmd_provinfo + * (u32)a1=sizeof provision info */ + CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27), + + /* enable virtual link */ + CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28), + + /* disable virtual link */ + CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29), + + /* stats dump all vnics on uplink in mem: (u64)a0=paddr (u32)a1=uif */ + CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30), + + /* init status: + * out: a0=0 init complete, a0=1 init in progress + * if a0=0, a1=errno */ + CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31), + + /* INT13 API: (u64)a0=paddr to vnic_int13_params struct + * (u8)a1=INT13_CMD_xxx */ + CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32), + + /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */ + CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33), + + /* undo initialize of virtual link */ + CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34), +}; + +/* flags for CMD_OPEN */ +#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */ + +/* flags for CMD_INIT */ +#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */ + +/* flags for CMD_PACKET_FILTER */ +#define CMD_PFILTER_DIRECTED 0x01 +#define CMD_PFILTER_MULTICAST 0x02 +#define CMD_PFILTER_BROADCAST 0x04 +#define CMD_PFILTER_PROMISCUOUS 0x08 +#define CMD_PFILTER_ALL_MULTICAST 0x10 + +enum vnic_devcmd_status { + STAT_NONE = 0, + STAT_BUSY = 1 << 0, /* cmd in progress */ + STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */ +}; + +enum vnic_devcmd_error { + ERR_SUCCESS = 0, + ERR_EINVAL = 1, + ERR_EFAULT = 2, + ERR_EPERM = 3, + ERR_EBUSY = 4, + ERR_ECMDUNKNOWN = 5, + ERR_EBADSTATE = 6, + ERR_ENOMEM = 7, + ERR_ETIMEDOUT = 8, + ERR_ELINKDOWN = 9, +}; + +struct vnic_devcmd_fw_info { + char fw_version[32]; + char fw_build[32]; + char hw_version[32]; + char hw_serial_number[32]; +}; + +struct vnic_devcmd_notify { + u32 csum; /* checksum over following words */ + + u32 link_state; /* link up == 1 */ + u32 port_speed; /* effective port speed (rate limit) */ + u32 mtu; /* MTU */ + u32 msglvl; /* requested driver msg lvl */ + u32 uif; /* uplink interface */ + u32 status; /* status bits (see VNIC_STF_*) */ + u32 error; /* error code (see ERR_*) for first ERR */ + u32 link_down_cnt; /* running count of link down transitions */ +}; +#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */ + +struct vnic_devcmd_provinfo { + u8 oui[3]; + u8 type; + u8 data[0]; +}; + +/* + * Writing cmd register causes STAT_BUSY to get set in status register. + * When cmd completes, STAT_BUSY will be cleared. + * + * If cmd completed successfully STAT_ERROR will be clear + * and args registers contain cmd-specific results. + * + * If cmd error, STAT_ERROR will be set and args[0] contains error code. + * + * status register is read-only. While STAT_BUSY is set, + * all other register contents are read-only. + */ + +/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */ +#define VNIC_DEVCMD_NARGS 15 +struct vnic_devcmd { + u32 status; /* RO */ + u32 cmd; /* RW */ + u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */ +}; + +#endif /* _VNIC_DEVCMD_H_ */ diff --git a/drivers/scsi/fnic/vnic_intr.c b/drivers/scsi/fnic/vnic_intr.c new file mode 100644 index 00000000000..4f4dc8793d2 --- /dev/null +++ b/drivers/scsi/fnic/vnic_intr.c @@ -0,0 +1,60 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include "vnic_dev.h" +#include "vnic_intr.h" + +void vnic_intr_free(struct vnic_intr *intr) +{ + intr->ctrl = NULL; +} + +int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, + unsigned int index) +{ + intr->index = index; + intr->vdev = vdev; + + intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index); + if (!intr->ctrl) { + printk(KERN_ERR "Failed to hook INTR[%d].ctrl resource\n", + index); + return -EINVAL; + } + + return 0; +} + +void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer, + unsigned int coalescing_type, unsigned int mask_on_assertion) +{ + iowrite32(coalescing_timer, &intr->ctrl->coalescing_timer); + iowrite32(coalescing_type, &intr->ctrl->coalescing_type); + iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion); + iowrite32(0, &intr->ctrl->int_credits); +} + +void vnic_intr_clean(struct vnic_intr *intr) +{ + iowrite32(0, &intr->ctrl->int_credits); +} diff --git a/drivers/scsi/fnic/vnic_intr.h b/drivers/scsi/fnic/vnic_intr.h new file mode 100644 index 00000000000..d5fb40e7c98 --- /dev/null +++ b/drivers/scsi/fnic/vnic_intr.h @@ -0,0 +1,118 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_INTR_H_ +#define _VNIC_INTR_H_ + +#include <linux/pci.h> +#include "vnic_dev.h" + +/* + * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth + * Driver) when both are built with CONFIG options =y + */ +#define vnic_intr_unmask fnic_intr_unmask +#define vnic_intr_mask fnic_intr_mask +#define vnic_intr_return_credits fnic_intr_return_credits +#define vnic_intr_credits fnic_intr_credits +#define vnic_intr_return_all_credits fnic_intr_return_all_credits +#define vnic_intr_legacy_pba fnic_intr_legacy_pba +#define vnic_intr_free fnic_intr_free +#define vnic_intr_alloc fnic_intr_alloc +#define vnic_intr_init fnic_intr_init +#define vnic_intr_clean fnic_intr_clean + +#define VNIC_INTR_TIMER_MAX 0xffff + +#define VNIC_INTR_TIMER_TYPE_ABS 0 +#define VNIC_INTR_TIMER_TYPE_QUIET 1 + +/* Interrupt control */ +struct vnic_intr_ctrl { + u32 coalescing_timer; /* 0x00 */ + u32 pad0; + u32 coalescing_value; /* 0x08 */ + u32 pad1; + u32 coalescing_type; /* 0x10 */ + u32 pad2; + u32 mask_on_assertion; /* 0x18 */ + u32 pad3; + u32 mask; /* 0x20 */ + u32 pad4; + u32 int_credits; /* 0x28 */ + u32 pad5; + u32 int_credit_return; /* 0x30 */ + u32 pad6; +}; + +struct vnic_intr { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_intr_ctrl __iomem *ctrl; /* memory-mapped */ +}; + +static inline void vnic_intr_unmask(struct vnic_intr *intr) +{ + iowrite32(0, &intr->ctrl->mask); +} + +static inline void vnic_intr_mask(struct vnic_intr *intr) +{ + iowrite32(1, &intr->ctrl->mask); +} + +static inline void vnic_intr_return_credits(struct vnic_intr *intr, + unsigned int credits, int unmask, int reset_timer) +{ +#define VNIC_INTR_UNMASK_SHIFT 16 +#define VNIC_INTR_RESET_TIMER_SHIFT 17 + + u32 int_credit_return = (credits & 0xffff) | + (unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) | + (reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0); + + iowrite32(int_credit_return, &intr->ctrl->int_credit_return); +} + +static inline unsigned int vnic_intr_credits(struct vnic_intr *intr) +{ + return ioread32(&intr->ctrl->int_credits); +} + +static inline void vnic_intr_return_all_credits(struct vnic_intr *intr) +{ + unsigned int credits = vnic_intr_credits(intr); + int unmask = 1; + int reset_timer = 1; + + vnic_intr_return_credits(intr, credits, unmask, reset_timer); +} + +static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba) +{ + /* read PBA without clearing */ + return ioread32(legacy_pba); +} + +void vnic_intr_free(struct vnic_intr *intr); +int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, + unsigned int index); +void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer, + unsigned int coalescing_type, unsigned int mask_on_assertion); +void vnic_intr_clean(struct vnic_intr *intr); + +#endif /* _VNIC_INTR_H_ */ diff --git a/drivers/scsi/fnic/vnic_nic.h b/drivers/scsi/fnic/vnic_nic.h new file mode 100644 index 00000000000..f15b83eeace --- /dev/null +++ b/drivers/scsi/fnic/vnic_nic.h @@ -0,0 +1,69 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_NIC_H_ +#define _VNIC_NIC_H_ + +/* + * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth + * Driver) when both are built with CONFIG options =y + */ +#define vnic_set_nic_cfg fnic_set_nic_cfg + +#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL +#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0 +#define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8) +#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL +#define NIC_CFG_RSS_HASH_TYPE_SHIFT 8 +#define NIC_CFG_RSS_HASH_BITS (7UL << 16) +#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL +#define NIC_CFG_RSS_HASH_BITS_SHIFT 16 +#define NIC_CFG_RSS_BASE_CPU (7UL << 19) +#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL +#define NIC_CFG_RSS_BASE_CPU_SHIFT 19 +#define NIC_CFG_RSS_ENABLE (1UL << 22) +#define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL +#define NIC_CFG_RSS_ENABLE_SHIFT 22 +#define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23) +#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL +#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23 +#define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24) +#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL +#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24 + +static inline void vnic_set_nic_cfg(u32 *nic_cfg, + u8 rss_default_cpu, u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, + u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en) +{ + *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) | + ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD) + << NIC_CFG_RSS_HASH_TYPE_SHIFT) | + ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD) + << NIC_CFG_RSS_HASH_BITS_SHIFT) | + ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD) + << NIC_CFG_RSS_BASE_CPU_SHIFT) | + ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD) + << NIC_CFG_RSS_ENABLE_SHIFT) | + ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD) + << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) | + ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD) + << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT); +} + +#endif /* _VNIC_NIC_H_ */ diff --git a/drivers/scsi/fnic/vnic_resource.h b/drivers/scsi/fnic/vnic_resource.h new file mode 100644 index 00000000000..2d842f79d41 --- /dev/null +++ b/drivers/scsi/fnic/vnic_resource.h @@ -0,0 +1,61 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_RESOURCE_H_ +#define _VNIC_RESOURCE_H_ + +#define VNIC_RES_MAGIC 0x766E6963L /* 'vnic' */ +#define VNIC_RES_VERSION 0x00000000L + +/* vNIC resource types */ +enum vnic_res_type { + RES_TYPE_EOL, /* End-of-list */ + RES_TYPE_WQ, /* Work queues */ + RES_TYPE_RQ, /* Receive queues */ + RES_TYPE_CQ, /* Completion queues */ + RES_TYPE_RSVD1, + RES_TYPE_NIC_CFG, /* Enet NIC config registers */ + RES_TYPE_RSVD2, + RES_TYPE_RSVD3, + RES_TYPE_RSVD4, + RES_TYPE_RSVD5, + RES_TYPE_INTR_CTRL, /* Interrupt ctrl table */ + RES_TYPE_INTR_TABLE, /* MSI/MSI-X Interrupt table */ + RES_TYPE_INTR_PBA, /* MSI/MSI-X PBA table */ + RES_TYPE_INTR_PBA_LEGACY, /* Legacy intr status */ + RES_TYPE_RSVD6, + RES_TYPE_RSVD7, + RES_TYPE_DEVCMD, /* Device command region */ + RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */ + + RES_TYPE_MAX, /* Count of resource types */ +}; + +struct vnic_resource_header { + u32 magic; + u32 version; +}; + +struct vnic_resource { + u8 type; + u8 bar; + u8 pad[2]; + u32 bar_offset; + u32 count; +}; + +#endif /* _VNIC_RESOURCE_H_ */ diff --git a/drivers/scsi/fnic/vnic_rq.c b/drivers/scsi/fnic/vnic_rq.c new file mode 100644 index 00000000000..bedd0d28563 --- /dev/null +++ b/drivers/scsi/fnic/vnic_rq.c @@ -0,0 +1,196 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include "vnic_dev.h" +#include "vnic_rq.h" + +static int vnic_rq_alloc_bufs(struct vnic_rq *rq) +{ + struct vnic_rq_buf *buf; + struct vnic_dev *vdev; + unsigned int i, j, count = rq->ring.desc_count; + unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count); + + vdev = rq->vdev; + + for (i = 0; i < blks; i++) { + rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ, GFP_ATOMIC); + if (!rq->bufs[i]) { + printk(KERN_ERR "Failed to alloc rq_bufs\n"); + return -ENOMEM; + } + } + + for (i = 0; i < blks; i++) { + buf = rq->bufs[i]; + for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES; j++) { + buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES + j; + buf->desc = (u8 *)rq->ring.descs + + rq->ring.desc_size * buf->index; + if (buf->index + 1 == count) { + buf->next = rq->bufs[0]; + break; + } else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES) { + buf->next = rq->bufs[i + 1]; + } else { + buf->next = buf + 1; + buf++; + } + } + } + + rq->to_use = rq->to_clean = rq->bufs[0]; + rq->buf_index = 0; + + return 0; +} + +void vnic_rq_free(struct vnic_rq *rq) +{ + struct vnic_dev *vdev; + unsigned int i; + + vdev = rq->vdev; + + vnic_dev_free_desc_ring(vdev, &rq->ring); + + for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) { + kfree(rq->bufs[i]); + rq->bufs[i] = NULL; + } + + rq->ctrl = NULL; +} + +int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + rq->index = index; + rq->vdev = vdev; + + rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index); + if (!rq->ctrl) { + printk(KERN_ERR "Failed to hook RQ[%d] resource\n", index); + return -EINVAL; + } + + vnic_rq_disable(rq); + + err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size); + if (err) + return err; + + err = vnic_rq_alloc_bufs(rq); + if (err) { + vnic_rq_free(rq); + return err; + } + + return 0; +} + +void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u64 paddr; + u32 fetch_index; + + paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &rq->ctrl->ring_base); + iowrite32(rq->ring.desc_count, &rq->ctrl->ring_size); + iowrite32(cq_index, &rq->ctrl->cq_index); + iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable); + iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset); + iowrite32(0, &rq->ctrl->dropped_packet_count); + iowrite32(0, &rq->ctrl->error_status); + + /* Use current fetch_index as the ring starting point */ + fetch_index = ioread32(&rq->ctrl->fetch_index); + rq->to_use = rq->to_clean = + &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES] + [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES]; + iowrite32(fetch_index, &rq->ctrl->posted_index); + + rq->buf_index = 0; +} + +unsigned int vnic_rq_error_status(struct vnic_rq *rq) +{ + return ioread32(&rq->ctrl->error_status); +} + +void vnic_rq_enable(struct vnic_rq *rq) +{ + iowrite32(1, &rq->ctrl->enable); +} + +int vnic_rq_disable(struct vnic_rq *rq) +{ + unsigned int wait; + + iowrite32(0, &rq->ctrl->enable); + + /* Wait for HW to ACK disable request */ + for (wait = 0; wait < 100; wait++) { + if (!(ioread32(&rq->ctrl->running))) + return 0; + udelay(1); + } + + printk(KERN_ERR "Failed to disable RQ[%d]\n", rq->index); + + return -ETIMEDOUT; +} + +void vnic_rq_clean(struct vnic_rq *rq, + void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)) +{ + struct vnic_rq_buf *buf; + u32 fetch_index; + + BUG_ON(ioread32(&rq->ctrl->enable)); + + buf = rq->to_clean; + + while (vnic_rq_desc_used(rq) > 0) { + + (*buf_clean)(rq, buf); + + buf = rq->to_clean = buf->next; + rq->ring.desc_avail++; + } + + /* Use current fetch_index as the ring starting point */ + fetch_index = ioread32(&rq->ctrl->fetch_index); + rq->to_use = rq->to_clean = + &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES] + [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES]; + iowrite32(fetch_index, &rq->ctrl->posted_index); + + rq->buf_index = 0; + + vnic_dev_clear_desc_ring(&rq->ring); +} + diff --git a/drivers/scsi/fnic/vnic_rq.h b/drivers/scsi/fnic/vnic_rq.h new file mode 100644 index 00000000000..aebdfbd6ad3 --- /dev/null +++ b/drivers/scsi/fnic/vnic_rq.h @@ -0,0 +1,235 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_RQ_H_ +#define _VNIC_RQ_H_ + +#include <linux/pci.h> +#include "vnic_dev.h" +#include "vnic_cq.h" + +/* + * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth + * Driver) when both are built with CONFIG options =y + */ +#define vnic_rq_desc_avail fnic_rq_desc_avail +#define vnic_rq_desc_used fnic_rq_desc_used +#define vnic_rq_next_desc fnic_rq_next_desc +#define vnic_rq_next_index fnic_rq_next_index +#define vnic_rq_next_buf_index fnic_rq_next_buf_index +#define vnic_rq_post fnic_rq_post +#define vnic_rq_posting_soon fnic_rq_posting_soon +#define vnic_rq_return_descs fnic_rq_return_descs +#define vnic_rq_service fnic_rq_service +#define vnic_rq_fill fnic_rq_fill +#define vnic_rq_free fnic_rq_free +#define vnic_rq_alloc fnic_rq_alloc +#define vnic_rq_init fnic_rq_init +#define vnic_rq_error_status fnic_rq_error_status +#define vnic_rq_enable fnic_rq_enable +#define vnic_rq_disable fnic_rq_disable +#define vnic_rq_clean fnic_rq_clean + +/* Receive queue control */ +struct vnic_rq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 posted_index; /* 0x10 */ + u32 pad1; + u32 cq_index; /* 0x18 */ + u32 pad2; + u32 enable; /* 0x20 */ + u32 pad3; + u32 running; /* 0x28 */ + u32 pad4; + u32 fetch_index; /* 0x30 */ + u32 pad5; + u32 error_interrupt_enable; /* 0x38 */ + u32 pad6; + u32 error_interrupt_offset; /* 0x40 */ + u32 pad7; + u32 error_status; /* 0x48 */ + u32 pad8; + u32 dropped_packet_count; /* 0x50 */ + u32 pad9; + u32 dropped_packet_count_rc; /* 0x58 */ + u32 pad10; +}; + +/* Break the vnic_rq_buf allocations into blocks of 64 entries */ +#define VNIC_RQ_BUF_BLK_ENTRIES 64 +#define VNIC_RQ_BUF_BLK_SZ \ + (VNIC_RQ_BUF_BLK_ENTRIES * sizeof(struct vnic_rq_buf)) +#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \ + DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES) +#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096) + +struct vnic_rq_buf { + struct vnic_rq_buf *next; + dma_addr_t dma_addr; + void *os_buf; + unsigned int os_buf_index; + unsigned int len; + unsigned int index; + void *desc; +}; + +struct vnic_rq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_rq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + struct vnic_rq_buf *bufs[VNIC_RQ_BUF_BLKS_MAX]; + struct vnic_rq_buf *to_use; + struct vnic_rq_buf *to_clean; + void *os_buf_head; + unsigned int buf_index; + unsigned int pkts_outstanding; +}; + +static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq) +{ + /* how many does SW own? */ + return rq->ring.desc_avail; +} + +static inline unsigned int vnic_rq_desc_used(struct vnic_rq *rq) +{ + /* how many does HW own? */ + return rq->ring.desc_count - rq->ring.desc_avail - 1; +} + +static inline void *vnic_rq_next_desc(struct vnic_rq *rq) +{ + return rq->to_use->desc; +} + +static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq) +{ + return rq->to_use->index; +} + +static inline unsigned int vnic_rq_next_buf_index(struct vnic_rq *rq) +{ + return rq->buf_index++; +} + +static inline void vnic_rq_post(struct vnic_rq *rq, + void *os_buf, unsigned int os_buf_index, + dma_addr_t dma_addr, unsigned int len) +{ + struct vnic_rq_buf *buf = rq->to_use; + + buf->os_buf = os_buf; + buf->os_buf_index = os_buf_index; + buf->dma_addr = dma_addr; + buf->len = len; + + buf = buf->next; + rq->to_use = buf; + rq->ring.desc_avail--; + + /* Move the posted_index every nth descriptor + */ + +#ifndef VNIC_RQ_RETURN_RATE +#define VNIC_RQ_RETURN_RATE 0xf /* keep 2^n - 1 */ +#endif + + if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) { + /* Adding write memory barrier prevents compiler and/or CPU + * reordering, thus avoiding descriptor posting before + * descriptor is initialized. Otherwise, hardware can read + * stale descriptor fields. + */ + wmb(); + iowrite32(buf->index, &rq->ctrl->posted_index); + } +} + +static inline int vnic_rq_posting_soon(struct vnic_rq *rq) +{ + return (rq->to_use->index & VNIC_RQ_RETURN_RATE) == 0; +} + +static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count) +{ + rq->ring.desc_avail += count; +} + +enum desc_return_options { + VNIC_RQ_RETURN_DESC, + VNIC_RQ_DEFER_RETURN_DESC, +}; + +static inline void vnic_rq_service(struct vnic_rq *rq, + struct cq_desc *cq_desc, u16 completed_index, + int desc_return, void (*buf_service)(struct vnic_rq *rq, + struct cq_desc *cq_desc, struct vnic_rq_buf *buf, + int skipped, void *opaque), void *opaque) +{ + struct vnic_rq_buf *buf; + int skipped; + + buf = rq->to_clean; + while (1) { + + skipped = (buf->index != completed_index); + + (*buf_service)(rq, cq_desc, buf, skipped, opaque); + + if (desc_return == VNIC_RQ_RETURN_DESC) + rq->ring.desc_avail++; + + rq->to_clean = buf->next; + + if (!skipped) + break; + + buf = rq->to_clean; + } +} + +static inline int vnic_rq_fill(struct vnic_rq *rq, + int (*buf_fill)(struct vnic_rq *rq)) +{ + int err; + + while (vnic_rq_desc_avail(rq) > 1) { + + err = (*buf_fill)(rq); + if (err) + return err; + } + + return 0; +} + +void vnic_rq_free(struct vnic_rq *rq); +int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +unsigned int vnic_rq_error_status(struct vnic_rq *rq); +void vnic_rq_enable(struct vnic_rq *rq); +int vnic_rq_disable(struct vnic_rq *rq); +void vnic_rq_clean(struct vnic_rq *rq, + void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)); + +#endif /* _VNIC_RQ_H_ */ diff --git a/drivers/scsi/fnic/vnic_scsi.h b/drivers/scsi/fnic/vnic_scsi.h new file mode 100644 index 00000000000..46baa525400 --- /dev/null +++ b/drivers/scsi/fnic/vnic_scsi.h @@ -0,0 +1,99 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_SCSI_H_ +#define _VNIC_SCSI_H_ + +#define VNIC_FNIC_WQ_COPY_COUNT_MIN 1 +#define VNIC_FNIC_WQ_COPY_COUNT_MAX 1 + +#define VNIC_FNIC_WQ_DESCS_MIN 64 +#define VNIC_FNIC_WQ_DESCS_MAX 128 + +#define VNIC_FNIC_WQ_COPY_DESCS_MIN 64 +#define VNIC_FNIC_WQ_COPY_DESCS_MAX 512 + +#define VNIC_FNIC_RQ_DESCS_MIN 64 +#define VNIC_FNIC_RQ_DESCS_MAX 128 + +#define VNIC_FNIC_EDTOV_MIN 1000 +#define VNIC_FNIC_EDTOV_MAX 255000 +#define VNIC_FNIC_EDTOV_DEF 2000 + +#define VNIC_FNIC_RATOV_MIN 1000 +#define VNIC_FNIC_RATOV_MAX 255000 + +#define VNIC_FNIC_MAXDATAFIELDSIZE_MIN 256 +#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX 2112 + +#define VNIC_FNIC_FLOGI_RETRIES_MIN 0 +#define VNIC_FNIC_FLOGI_RETRIES_MAX 0xffffffff +#define VNIC_FNIC_FLOGI_RETRIES_DEF 0xffffffff + +#define VNIC_FNIC_FLOGI_TIMEOUT_MIN 1000 +#define VNIC_FNIC_FLOGI_TIMEOUT_MAX 255000 + +#define VNIC_FNIC_PLOGI_RETRIES_MIN 0 +#define VNIC_FNIC_PLOGI_RETRIES_MAX 255 +#define VNIC_FNIC_PLOGI_RETRIES_DEF 8 + +#define VNIC_FNIC_PLOGI_TIMEOUT_MIN 1000 +#define VNIC_FNIC_PLOGI_TIMEOUT_MAX 255000 + +#define VNIC_FNIC_IO_THROTTLE_COUNT_MIN 256 +#define VNIC_FNIC_IO_THROTTLE_COUNT_MAX 4096 + +#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN 0 +#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX 240000 + +#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN 0 +#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX 240000 + +#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN 0 +#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX 255 + +#define VNIC_FNIC_LUNS_PER_TARGET_MIN 1 +#define VNIC_FNIC_LUNS_PER_TARGET_MAX 1024 + +/* Device-specific region: scsi configuration */ +struct vnic_fc_config { + u64 node_wwn; + u64 port_wwn; + u32 flags; + u32 wq_enet_desc_count; + u32 wq_copy_desc_count; + u32 rq_desc_count; + u32 flogi_retries; + u32 flogi_timeout; + u32 plogi_retries; + u32 plogi_timeout; + u32 io_throttle_count; + u32 link_down_timeout; + u32 port_down_timeout; + u32 port_down_io_retries; + u32 luns_per_tgt; + u16 maxdatafieldsize; + u16 ed_tov; + u16 ra_tov; + u16 intr_timer; + u8 intr_timer_type; +}; + +#define VFCF_FCP_SEQ_LVL_ERR 0x1 /* Enable FCP-2 Error Recovery */ +#define VFCF_PERBI 0x2 /* persistent binding info available */ + +#endif /* _VNIC_SCSI_H_ */ diff --git a/drivers/scsi/fnic/vnic_stats.h b/drivers/scsi/fnic/vnic_stats.h new file mode 100644 index 00000000000..5372e23c1cb --- /dev/null +++ b/drivers/scsi/fnic/vnic_stats.h @@ -0,0 +1,68 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_STATS_H_ +#define _VNIC_STATS_H_ + +/* Tx statistics */ +struct vnic_tx_stats { + u64 tx_frames_ok; + u64 tx_unicast_frames_ok; + u64 tx_multicast_frames_ok; + u64 tx_broadcast_frames_ok; + u64 tx_bytes_ok; + u64 tx_unicast_bytes_ok; + u64 tx_multicast_bytes_ok; + u64 tx_broadcast_bytes_ok; + u64 tx_drops; + u64 tx_errors; + u64 tx_tso; + u64 rsvd[16]; +}; + +/* Rx statistics */ +struct vnic_rx_stats { + u64 rx_frames_ok; + u64 rx_frames_total; + u64 rx_unicast_frames_ok; + u64 rx_multicast_frames_ok; + u64 rx_broadcast_frames_ok; + u64 rx_bytes_ok; + u64 rx_unicast_bytes_ok; + u64 rx_multicast_bytes_ok; + u64 rx_broadcast_bytes_ok; + u64 rx_drop; + u64 rx_no_bufs; + u64 rx_errors; + u64 rx_rss; + u64 rx_crc_errors; + u64 rx_frames_64; + u64 rx_frames_127; + u64 rx_frames_255; + u64 rx_frames_511; + u64 rx_frames_1023; + u64 rx_frames_1518; + u64 rx_frames_to_max; + u64 rsvd[16]; +}; + +struct vnic_stats { + struct vnic_tx_stats tx; + struct vnic_rx_stats rx; +}; + +#endif /* _VNIC_STATS_H_ */ diff --git a/drivers/scsi/fnic/vnic_wq.c b/drivers/scsi/fnic/vnic_wq.c new file mode 100644 index 00000000000..1f9ea790d13 --- /dev/null +++ b/drivers/scsi/fnic/vnic_wq.c @@ -0,0 +1,182 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include "vnic_dev.h" +#include "vnic_wq.h" + +static int vnic_wq_alloc_bufs(struct vnic_wq *wq) +{ + struct vnic_wq_buf *buf; + struct vnic_dev *vdev; + unsigned int i, j, count = wq->ring.desc_count; + unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count); + + vdev = wq->vdev; + + for (i = 0; i < blks; i++) { + wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC); + if (!wq->bufs[i]) { + printk(KERN_ERR "Failed to alloc wq_bufs\n"); + return -ENOMEM; + } + } + + for (i = 0; i < blks; i++) { + buf = wq->bufs[i]; + for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES; j++) { + buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES + j; + buf->desc = (u8 *)wq->ring.descs + + wq->ring.desc_size * buf->index; + if (buf->index + 1 == count) { + buf->next = wq->bufs[0]; + break; + } else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES) { + buf->next = wq->bufs[i + 1]; + } else { + buf->next = buf + 1; + buf++; + } + } + } + + wq->to_use = wq->to_clean = wq->bufs[0]; + + return 0; +} + +void vnic_wq_free(struct vnic_wq *wq) +{ + struct vnic_dev *vdev; + unsigned int i; + + vdev = wq->vdev; + + vnic_dev_free_desc_ring(vdev, &wq->ring); + + for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) { + kfree(wq->bufs[i]); + wq->bufs[i] = NULL; + } + + wq->ctrl = NULL; + +} + +int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + wq->index = index; + wq->vdev = vdev; + + wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index); + if (!wq->ctrl) { + printk(KERN_ERR "Failed to hook WQ[%d] resource\n", index); + return -EINVAL; + } + + vnic_wq_disable(wq); + + err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size); + if (err) + return err; + + err = vnic_wq_alloc_bufs(wq); + if (err) { + vnic_wq_free(wq); + return err; + } + + return 0; +} + +void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u64 paddr; + + paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &wq->ctrl->ring_base); + iowrite32(wq->ring.desc_count, &wq->ctrl->ring_size); + iowrite32(0, &wq->ctrl->fetch_index); + iowrite32(0, &wq->ctrl->posted_index); + iowrite32(cq_index, &wq->ctrl->cq_index); + iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable); + iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset); + iowrite32(0, &wq->ctrl->error_status); +} + +unsigned int vnic_wq_error_status(struct vnic_wq *wq) +{ + return ioread32(&wq->ctrl->error_status); +} + +void vnic_wq_enable(struct vnic_wq *wq) +{ + iowrite32(1, &wq->ctrl->enable); +} + +int vnic_wq_disable(struct vnic_wq *wq) +{ + unsigned int wait; + + iowrite32(0, &wq->ctrl->enable); + + /* Wait for HW to ACK disable request */ + for (wait = 0; wait < 100; wait++) { + if (!(ioread32(&wq->ctrl->running))) + return 0; + udelay(1); + } + + printk(KERN_ERR "Failed to disable WQ[%d]\n", wq->index); + + return -ETIMEDOUT; +} + +void vnic_wq_clean(struct vnic_wq *wq, + void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)) +{ + struct vnic_wq_buf *buf; + + BUG_ON(ioread32(&wq->ctrl->enable)); + + buf = wq->to_clean; + + while (vnic_wq_desc_used(wq) > 0) { + + (*buf_clean)(wq, buf); + + buf = wq->to_clean = buf->next; + wq->ring.desc_avail++; + } + + wq->to_use = wq->to_clean = wq->bufs[0]; + + iowrite32(0, &wq->ctrl->fetch_index); + iowrite32(0, &wq->ctrl->posted_index); + iowrite32(0, &wq->ctrl->error_status); + + vnic_dev_clear_desc_ring(&wq->ring); +} diff --git a/drivers/scsi/fnic/vnic_wq.h b/drivers/scsi/fnic/vnic_wq.h new file mode 100644 index 00000000000..5cd094f7928 --- /dev/null +++ b/drivers/scsi/fnic/vnic_wq.h @@ -0,0 +1,175 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_WQ_H_ +#define _VNIC_WQ_H_ + +#include <linux/pci.h> +#include "vnic_dev.h" +#include "vnic_cq.h" + +/* + * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth + * Driver) when both are built with CONFIG options =y + */ +#define vnic_wq_desc_avail fnic_wq_desc_avail +#define vnic_wq_desc_used fnic_wq_desc_used +#define vnic_wq_next_desc fni_cwq_next_desc +#define vnic_wq_post fnic_wq_post +#define vnic_wq_service fnic_wq_service +#define vnic_wq_free fnic_wq_free +#define vnic_wq_alloc fnic_wq_alloc +#define vnic_wq_init fnic_wq_init +#define vnic_wq_error_status fnic_wq_error_status +#define vnic_wq_enable fnic_wq_enable +#define vnic_wq_disable fnic_wq_disable +#define vnic_wq_clean fnic_wq_clean + +/* Work queue control */ +struct vnic_wq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 posted_index; /* 0x10 */ + u32 pad1; + u32 cq_index; /* 0x18 */ + u32 pad2; + u32 enable; /* 0x20 */ + u32 pad3; + u32 running; /* 0x28 */ + u32 pad4; + u32 fetch_index; /* 0x30 */ + u32 pad5; + u32 dca_value; /* 0x38 */ + u32 pad6; + u32 error_interrupt_enable; /* 0x40 */ + u32 pad7; + u32 error_interrupt_offset; /* 0x48 */ + u32 pad8; + u32 error_status; /* 0x50 */ + u32 pad9; +}; + +struct vnic_wq_buf { + struct vnic_wq_buf *next; + dma_addr_t dma_addr; + void *os_buf; + unsigned int len; + unsigned int index; + int sop; + void *desc; +}; + +/* Break the vnic_wq_buf allocations into blocks of 64 entries */ +#define VNIC_WQ_BUF_BLK_ENTRIES 64 +#define VNIC_WQ_BUF_BLK_SZ \ + (VNIC_WQ_BUF_BLK_ENTRIES * sizeof(struct vnic_wq_buf)) +#define VNIC_WQ_BUF_BLKS_NEEDED(entries) \ + DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES) +#define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096) + +struct vnic_wq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_wq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + struct vnic_wq_buf *bufs[VNIC_WQ_BUF_BLKS_MAX]; + struct vnic_wq_buf *to_use; + struct vnic_wq_buf *to_clean; + unsigned int pkts_outstanding; +}; + +static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) +{ + /* how many does SW own? */ + return wq->ring.desc_avail; +} + +static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) +{ + /* how many does HW own? */ + return wq->ring.desc_count - wq->ring.desc_avail - 1; +} + +static inline void *vnic_wq_next_desc(struct vnic_wq *wq) +{ + return wq->to_use->desc; +} + +static inline void vnic_wq_post(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, + unsigned int len, int sop, int eop) +{ + struct vnic_wq_buf *buf = wq->to_use; + + buf->sop = sop; + buf->os_buf = eop ? os_buf : NULL; + buf->dma_addr = dma_addr; + buf->len = len; + + buf = buf->next; + if (eop) { + /* Adding write memory barrier prevents compiler and/or CPU + * reordering, thus avoiding descriptor posting before + * descriptor is initialized. Otherwise, hardware can read + * stale descriptor fields. + */ + wmb(); + iowrite32(buf->index, &wq->ctrl->posted_index); + } + wq->to_use = buf; + + wq->ring.desc_avail--; +} + +static inline void vnic_wq_service(struct vnic_wq *wq, + struct cq_desc *cq_desc, u16 completed_index, + void (*buf_service)(struct vnic_wq *wq, + struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque), + void *opaque) +{ + struct vnic_wq_buf *buf; + + buf = wq->to_clean; + while (1) { + + (*buf_service)(wq, cq_desc, buf, opaque); + + wq->ring.desc_avail++; + + wq->to_clean = buf->next; + + if (buf->index == completed_index) + break; + + buf = wq->to_clean; + } +} + +void vnic_wq_free(struct vnic_wq *wq); +int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +unsigned int vnic_wq_error_status(struct vnic_wq *wq); +void vnic_wq_enable(struct vnic_wq *wq); +int vnic_wq_disable(struct vnic_wq *wq); +void vnic_wq_clean(struct vnic_wq *wq, + void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)); + +#endif /* _VNIC_WQ_H_ */ diff --git a/drivers/scsi/fnic/vnic_wq_copy.c b/drivers/scsi/fnic/vnic_wq_copy.c new file mode 100644 index 00000000000..9eab7e7caf3 --- /dev/null +++ b/drivers/scsi/fnic/vnic_wq_copy.c @@ -0,0 +1,117 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include "vnic_wq_copy.h" + +void vnic_wq_copy_enable(struct vnic_wq_copy *wq) +{ + iowrite32(1, &wq->ctrl->enable); +} + +int vnic_wq_copy_disable(struct vnic_wq_copy *wq) +{ + unsigned int wait; + + iowrite32(0, &wq->ctrl->enable); + + /* Wait for HW to ACK disable request */ + for (wait = 0; wait < 100; wait++) { + if (!(ioread32(&wq->ctrl->running))) + return 0; + udelay(1); + } + + printk(KERN_ERR "Failed to disable Copy WQ[%d]," + " fetch index=%d, posted_index=%d\n", + wq->index, ioread32(&wq->ctrl->fetch_index), + ioread32(&wq->ctrl->posted_index)); + + return -ENODEV; +} + +void vnic_wq_copy_clean(struct vnic_wq_copy *wq, + void (*q_clean)(struct vnic_wq_copy *wq, + struct fcpio_host_req *wq_desc)) +{ + BUG_ON(ioread32(&wq->ctrl->enable)); + + if (vnic_wq_copy_desc_in_use(wq)) + vnic_wq_copy_service(wq, -1, q_clean); + + wq->to_use_index = wq->to_clean_index = 0; + + iowrite32(0, &wq->ctrl->fetch_index); + iowrite32(0, &wq->ctrl->posted_index); + iowrite32(0, &wq->ctrl->error_status); + + vnic_dev_clear_desc_ring(&wq->ring); +} + +void vnic_wq_copy_free(struct vnic_wq_copy *wq) +{ + struct vnic_dev *vdev; + + vdev = wq->vdev; + vnic_dev_free_desc_ring(vdev, &wq->ring); + wq->ctrl = NULL; +} + +int vnic_wq_copy_alloc(struct vnic_dev *vdev, struct vnic_wq_copy *wq, + unsigned int index, unsigned int desc_count, + unsigned int desc_size) +{ + int err; + + wq->index = index; + wq->vdev = vdev; + wq->to_use_index = wq->to_clean_index = 0; + wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index); + if (!wq->ctrl) { + printk(KERN_ERR "Failed to hook COPY WQ[%d] resource\n", index); + return -EINVAL; + } + + vnic_wq_copy_disable(wq); + + err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size); + if (err) + return err; + + return 0; +} + +void vnic_wq_copy_init(struct vnic_wq_copy *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u64 paddr; + + paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &wq->ctrl->ring_base); + iowrite32(wq->ring.desc_count, &wq->ctrl->ring_size); + iowrite32(0, &wq->ctrl->fetch_index); + iowrite32(0, &wq->ctrl->posted_index); + iowrite32(cq_index, &wq->ctrl->cq_index); + iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable); + iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset); +} + diff --git a/drivers/scsi/fnic/vnic_wq_copy.h b/drivers/scsi/fnic/vnic_wq_copy.h new file mode 100644 index 00000000000..6aff9740c3d --- /dev/null +++ b/drivers/scsi/fnic/vnic_wq_copy.h @@ -0,0 +1,128 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _VNIC_WQ_COPY_H_ +#define _VNIC_WQ_COPY_H_ + +#include <linux/pci.h> +#include "vnic_wq.h" +#include "fcpio.h" + +#define VNIC_WQ_COPY_MAX 1 + +struct vnic_wq_copy { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_wq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + unsigned to_use_index; + unsigned to_clean_index; +}; + +static inline unsigned int vnic_wq_copy_desc_avail(struct vnic_wq_copy *wq) +{ + return wq->ring.desc_avail; +} + +static inline unsigned int vnic_wq_copy_desc_in_use(struct vnic_wq_copy *wq) +{ + return wq->ring.desc_count - 1 - wq->ring.desc_avail; +} + +static inline void *vnic_wq_copy_next_desc(struct vnic_wq_copy *wq) +{ + struct fcpio_host_req *desc = wq->ring.descs; + return &desc[wq->to_use_index]; +} + +static inline void vnic_wq_copy_post(struct vnic_wq_copy *wq) +{ + + ((wq->to_use_index + 1) == wq->ring.desc_count) ? + (wq->to_use_index = 0) : (wq->to_use_index++); + wq->ring.desc_avail--; + + /* Adding write memory barrier prevents compiler and/or CPU + * reordering, thus avoiding descriptor posting before + * descriptor is initialized. Otherwise, hardware can read + * stale descriptor fields. + */ + wmb(); + + iowrite32(wq->to_use_index, &wq->ctrl->posted_index); +} + +static inline void vnic_wq_copy_desc_process(struct vnic_wq_copy *wq, u16 index) +{ + unsigned int cnt; + + if (wq->to_clean_index <= index) + cnt = (index - wq->to_clean_index) + 1; + else + cnt = wq->ring.desc_count - wq->to_clean_index + index + 1; + + wq->to_clean_index = ((index + 1) % wq->ring.desc_count); + wq->ring.desc_avail += cnt; + +} + +static inline void vnic_wq_copy_service(struct vnic_wq_copy *wq, + u16 completed_index, + void (*q_service)(struct vnic_wq_copy *wq, + struct fcpio_host_req *wq_desc)) +{ + struct fcpio_host_req *wq_desc = wq->ring.descs; + unsigned int curr_index; + + while (1) { + + if (q_service) + (*q_service)(wq, &wq_desc[wq->to_clean_index]); + + wq->ring.desc_avail++; + + curr_index = wq->to_clean_index; + + /* increment the to-clean index so that we start + * with an unprocessed index next time we enter the loop + */ + ((wq->to_clean_index + 1) == wq->ring.desc_count) ? + (wq->to_clean_index = 0) : (wq->to_clean_index++); + + if (curr_index == completed_index) + break; + + /* we have cleaned all the entries */ + if ((completed_index == (u16)-1) && + (wq->to_clean_index == wq->to_use_index)) + break; + } +} + +void vnic_wq_copy_enable(struct vnic_wq_copy *wq); +int vnic_wq_copy_disable(struct vnic_wq_copy *wq); +void vnic_wq_copy_free(struct vnic_wq_copy *wq); +int vnic_wq_copy_alloc(struct vnic_dev *vdev, struct vnic_wq_copy *wq, + unsigned int index, unsigned int desc_count, unsigned int desc_size); +void vnic_wq_copy_init(struct vnic_wq_copy *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +void vnic_wq_copy_clean(struct vnic_wq_copy *wq, + void (*q_clean)(struct vnic_wq_copy *wq, + struct fcpio_host_req *wq_desc)); + +#endif /* _VNIC_WQ_COPY_H_ */ diff --git a/drivers/scsi/fnic/wq_enet_desc.h b/drivers/scsi/fnic/wq_enet_desc.h new file mode 100644 index 00000000000..b121cbad18b --- /dev/null +++ b/drivers/scsi/fnic/wq_enet_desc.h @@ -0,0 +1,96 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _WQ_ENET_DESC_H_ +#define _WQ_ENET_DESC_H_ + +/* Ethernet work queue descriptor: 16B */ +struct wq_enet_desc { + __le64 address; + __le16 length; + __le16 mss_loopback; + __le16 header_length_flags; + __le16 vlan_tag; +}; + +#define WQ_ENET_ADDR_BITS 64 +#define WQ_ENET_LEN_BITS 14 +#define WQ_ENET_LEN_MASK ((1 << WQ_ENET_LEN_BITS) - 1) +#define WQ_ENET_MSS_BITS 14 +#define WQ_ENET_MSS_MASK ((1 << WQ_ENET_MSS_BITS) - 1) +#define WQ_ENET_MSS_SHIFT 2 +#define WQ_ENET_LOOPBACK_SHIFT 1 +#define WQ_ENET_HDRLEN_BITS 10 +#define WQ_ENET_HDRLEN_MASK ((1 << WQ_ENET_HDRLEN_BITS) - 1) +#define WQ_ENET_FLAGS_OM_BITS 2 +#define WQ_ENET_FLAGS_OM_MASK ((1 << WQ_ENET_FLAGS_OM_BITS) - 1) +#define WQ_ENET_FLAGS_EOP_SHIFT 12 +#define WQ_ENET_FLAGS_CQ_ENTRY_SHIFT 13 +#define WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT 14 +#define WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT 15 + +#define WQ_ENET_OFFLOAD_MODE_CSUM 0 +#define WQ_ENET_OFFLOAD_MODE_RESERVED 1 +#define WQ_ENET_OFFLOAD_MODE_CSUM_L4 2 +#define WQ_ENET_OFFLOAD_MODE_TSO 3 + +static inline void wq_enet_desc_enc(struct wq_enet_desc *desc, + u64 address, u16 length, u16 mss, u16 header_length, + u8 offload_mode, u8 eop, u8 cq_entry, u8 fcoe_encap, + u8 vlan_tag_insert, u16 vlan_tag, u8 loopback) +{ + desc->address = cpu_to_le64(address); + desc->length = cpu_to_le16(length & WQ_ENET_LEN_MASK); + desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) << + WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT); + desc->header_length_flags = cpu_to_le16( + (header_length & WQ_ENET_HDRLEN_MASK) | + (offload_mode & WQ_ENET_FLAGS_OM_MASK) << WQ_ENET_HDRLEN_BITS | + (eop & 1) << WQ_ENET_FLAGS_EOP_SHIFT | + (cq_entry & 1) << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT | + (fcoe_encap & 1) << WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT | + (vlan_tag_insert & 1) << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT); + desc->vlan_tag = cpu_to_le16(vlan_tag); +} + +static inline void wq_enet_desc_dec(struct wq_enet_desc *desc, + u64 *address, u16 *length, u16 *mss, u16 *header_length, + u8 *offload_mode, u8 *eop, u8 *cq_entry, u8 *fcoe_encap, + u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback) +{ + *address = le64_to_cpu(desc->address); + *length = le16_to_cpu(desc->length) & WQ_ENET_LEN_MASK; + *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) & + WQ_ENET_MSS_MASK; + *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >> + WQ_ENET_LOOPBACK_SHIFT) & 1); + *header_length = le16_to_cpu(desc->header_length_flags) & + WQ_ENET_HDRLEN_MASK; + *offload_mode = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_HDRLEN_BITS) & WQ_ENET_FLAGS_OM_MASK); + *eop = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_EOP_SHIFT) & 1); + *cq_entry = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_CQ_ENTRY_SHIFT) & 1); + *fcoe_encap = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT) & 1); + *vlan_tag_insert = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT) & 1); + *vlan_tag = le16_to_cpu(desc->vlan_tag); +} + +#endif /* _WQ_ENET_DESC_H_ */ diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c09d77591f9..dd689ded860 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3654,6 +3654,7 @@ static int ipr_slave_configure(struct scsi_device *sdev) { struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; struct ipr_resource_entry *res; + struct ata_port *ap = NULL; unsigned long lock_flags = 0; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); @@ -3672,12 +3673,16 @@ static int ipr_slave_configure(struct scsi_device *sdev) } if (ipr_is_vset_device(res) || ipr_is_scsi_disk(res)) sdev->allow_restart = 1; - if (ipr_is_gata(res) && res->sata_port) { + if (ipr_is_gata(res) && res->sata_port) + ap = res->sata_port->ap; + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + + if (ap) { scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN); - ata_sas_slave_configure(sdev, res->sata_port->ap); - } else { + ata_sas_slave_configure(sdev, ap); + } else scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); - } + return 0; } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); return 0; diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index b3e5e08e44a..b7c092d63bb 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -463,7 +463,7 @@ static int iscsi_sw_tcp_pdu_init(struct iscsi_task *task, } if (err) { - iscsi_conn_failure(conn, err); + /* got invalid offset/len */ return -EIO; } return 0; @@ -851,6 +851,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = { .use_clustering = DISABLE_CLUSTERING, .slave_alloc = iscsi_sw_tcp_slave_alloc, .slave_configure = iscsi_sw_tcp_slave_configure, + .target_alloc = iscsi_target_alloc, .proc_name = "iscsi_tcp", .this_id = -1, }; diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index e57556ea5b4..4c880656990 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -113,6 +113,11 @@ void fc_disc_stop_rports(struct fc_disc *disc) lport->tt.rport_logoff(rport); } + list_for_each_entry_safe(rdata, next, &disc->rogue_rports, peers) { + rport = PRIV_TO_RPORT(rdata); + lport->tt.rport_logoff(rport); + } + mutex_unlock(&disc->disc_mutex); } @@ -131,23 +136,32 @@ static void fc_disc_rport_callback(struct fc_lport *lport, { struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_disc *disc = &lport->disc; - int found = 0; FC_DEBUG_DISC("Received a %d event for port (%6x)\n", event, rport->port_id); - if (event == RPORT_EV_CREATED) { + switch (event) { + case RPORT_EV_CREATED: if (disc) { - found = 1; mutex_lock(&disc->disc_mutex); list_add_tail(&rdata->peers, &disc->rports); mutex_unlock(&disc->disc_mutex); } + break; + case RPORT_EV_LOGO: + case RPORT_EV_FAILED: + case RPORT_EV_STOP: + mutex_lock(&disc->disc_mutex); + mutex_lock(&rdata->rp_mutex); + if (rdata->trans_state == FC_PORTSTATE_ROGUE) + list_del(&rdata->peers); + mutex_unlock(&rdata->rp_mutex); + mutex_unlock(&disc->disc_mutex); + break; + default: + break; } - if (!found) - FC_DEBUG_DISC("The rport (%6x) is not maintained " - "by the discovery layer\n", rport->port_id); } /** @@ -439,6 +453,7 @@ static int fc_disc_new_target(struct fc_disc *disc, rdata = rport->dd_data; rdata->ops = &fc_disc_rport_ops; rdata->rp_state = RPORT_ST_INIT; + list_add_tail(&rdata->peers, &disc->rogue_rports); lport->tt.rport_login(rport); } } @@ -461,21 +476,29 @@ static void fc_disc_del_target(struct fc_disc *disc, struct fc_rport *rport) /** * fc_disc_done() - Discovery has been completed * @disc: FC discovery context + * Locking Note: This function expects that the disc mutex is locked before + * it is called. The discovery callback is then made with the lock released, + * and the lock is re-taken before returning from this function */ static void fc_disc_done(struct fc_disc *disc) { struct fc_lport *lport = disc->lport; + enum fc_disc_event event; FC_DEBUG_DISC("Discovery complete for port (%6x)\n", fc_host_port_id(lport->host)); - disc->disc_callback(lport, disc->event); + event = disc->event; disc->event = DISC_EV_NONE; if (disc->requested) fc_disc_gpn_ft_req(disc); else disc->pending = 0; + + mutex_unlock(&disc->disc_mutex); + disc->disc_callback(lport, event); + mutex_lock(&disc->disc_mutex); } /** @@ -622,6 +645,8 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) rdata = rport->dd_data; rdata->ops = &fc_disc_rport_ops; rdata->local_port = lport; + list_add_tail(&rdata->peers, + &disc->rogue_rports); lport->tt.rport_login(rport); } else FC_DBG("Failed to allocate memory for " @@ -681,8 +706,8 @@ static void fc_disc_timeout(struct work_struct *work) * @fp: response frame * @lp_arg: Fibre Channel host port instance * - * Locking Note: This function expects that the disc_mutex is locked - * before it is called. + * Locking Note: This function is called without disc mutex held, and + * should do all its processing with the mutex held */ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, void *disc_arg) @@ -695,11 +720,13 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, unsigned int len; int error; + mutex_lock(&disc->disc_mutex); FC_DEBUG_DISC("Received a GPN_FT response on port (%6x)\n", fc_host_port_id(disc->lport->host)); if (IS_ERR(fp)) { fc_disc_error(disc, fp); + mutex_unlock(&disc->disc_mutex); return; } @@ -744,6 +771,8 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, disc->seq_count++; } fc_frame_free(fp); + + mutex_unlock(&disc->disc_mutex); } /** @@ -757,7 +786,6 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp) { struct fc_lport *lport; - struct fc_rport *rport; struct fc_rport *new_rport; struct fc_rport_libfc_priv *rdata; @@ -766,15 +794,12 @@ static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp) if (dp->ids.port_id == fc_host_port_id(lport->host)) goto out; - rport = lport->tt.rport_lookup(lport, dp->ids.port_id); - if (rport) - fc_disc_del_target(disc, rport); - new_rport = lport->tt.rport_create(dp); if (new_rport) { rdata = new_rport->dd_data; rdata->ops = &fc_disc_rport_ops; kfree(dp); + list_add_tail(&rdata->peers, &disc->rogue_rports); lport->tt.rport_login(new_rport); } return; @@ -836,6 +861,7 @@ int fc_disc_init(struct fc_lport *lport) INIT_DELAYED_WORK(&disc->disc_work, fc_disc_timeout); mutex_init(&disc->disc_mutex); INIT_LIST_HEAD(&disc->rports); + INIT_LIST_HEAD(&disc->rogue_rports); disc->lport = lport; disc->delay = FC_DISC_DELAY; diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c index dd47fe619d1..5878b34bff1 100644 --- a/drivers/scsi/libfc/fc_elsct.c +++ b/drivers/scsi/libfc/fc_elsct.c @@ -41,7 +41,7 @@ static struct fc_seq *fc_elsct_send(struct fc_lport *lport, void *arg, u32 timer_msec) { enum fc_rctl r_ctl; - u32 did; + u32 did = FC_FID_NONE; enum fc_fh_type fh_type; int rc; diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index f555ae99ad4..521f996f9b1 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -713,7 +713,7 @@ done: static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg) { struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg; - struct fc_lport *lp; + struct fc_lport *lport = fsp->lp; struct fc_frame_header *fh; struct fcp_txrdy *dd; u8 r_ctl; @@ -724,9 +724,8 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg) fh = fc_frame_header_get(fp); r_ctl = fh->fh_r_ctl; - lp = fsp->lp; - if (!(lp->state & LPORT_ST_READY)) + if (!(lport->state & LPORT_ST_READY)) goto out; if (fc_fcp_lock_pkt(fsp)) goto out; @@ -779,7 +778,7 @@ errout: if (IS_ERR(fp)) fc_fcp_error(fsp, fp); else if (rc == -ENOMEM) - fc_fcp_reduce_can_queue(lp); + fc_fcp_reduce_can_queue(lport); } static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index b8178ef398d..e0c247724d2 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -618,6 +618,11 @@ int fc_fabric_logoff(struct fc_lport *lport) { lport->tt.disc_stop_final(lport); mutex_lock(&lport->lp_mutex); + if (lport->dns_rp) + lport->tt.rport_logoff(lport->dns_rp); + mutex_unlock(&lport->lp_mutex); + lport->tt.rport_flush_queue(); + mutex_lock(&lport->lp_mutex); fc_lport_enter_logo(lport); mutex_unlock(&lport->lp_mutex); cancel_delayed_work_sync(&lport->retry_work); @@ -639,7 +644,12 @@ EXPORT_SYMBOL(fc_fabric_logoff); */ int fc_lport_destroy(struct fc_lport *lport) { + mutex_lock(&lport->lp_mutex); + lport->state = LPORT_ST_NONE; + lport->link_up = 0; lport->tt.frame_send = fc_frame_drop; + mutex_unlock(&lport->lp_mutex); + lport->tt.fcp_abort_io(lport); lport->tt.exch_mgr_reset(lport, 0, 0); return 0; @@ -1032,17 +1042,19 @@ static void fc_lport_rft_id_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a RFT_ID response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_RFT_ID) { FC_DBG("Received a RFT_ID response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); ct = fc_frame_payload_get(fp, sizeof(*ct)); @@ -1084,17 +1096,19 @@ static void fc_lport_rpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a RPN_ID response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_RPN_ID) { FC_DBG("Received a RPN_ID response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); ct = fc_frame_payload_get(fp, sizeof(*ct)); if (fh && ct && fh->fh_type == FC_TYPE_CT && @@ -1134,17 +1148,19 @@ static void fc_lport_scr_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a SCR response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_SCR) { FC_DBG("Received a SCR response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) fc_lport_enter_ready(lport); @@ -1360,17 +1376,19 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a LOGO response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_LOGO) { FC_DBG("Received a LOGO response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) fc_lport_enter_reset(lport); @@ -1400,10 +1418,6 @@ static void fc_lport_enter_logo(struct fc_lport *lport) fc_lport_state_enter(lport, LPORT_ST_LOGO); - /* DNS session should be closed so we can release it here */ - if (lport->dns_rp) - lport->tt.rport_logoff(lport->dns_rp); - fp = fc_frame_alloc(lport, sizeof(*logo)); if (!fp) { fc_lport_error(lport, fp); @@ -1444,17 +1458,19 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a FLOGI response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_FLOGI) { FC_DBG("Received a FLOGI response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); did = ntoh24(fh->fh_d_id); if (fc_frame_payload_op(fp) == ELS_LS_ACC && did != 0) { diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 0472bb73221..747d73c5c8a 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -267,6 +267,10 @@ static void fc_rport_work(struct work_struct *work) "(%6x).\n", ids.port_id); event = RPORT_EV_FAILED; } + if (rport->port_id != FC_FID_DIR_SERV) + if (rport_ops->event_callback) + rport_ops->event_callback(lport, rport, + RPORT_EV_FAILED); put_device(&rport->dev); rport = new_rport; rdata = new_rport->dd_data; @@ -325,11 +329,20 @@ int fc_rport_login(struct fc_rport *rport) int fc_rport_logoff(struct fc_rport *rport) { struct fc_rport_libfc_priv *rdata = rport->dd_data; + struct fc_lport *lport = rdata->local_port; mutex_lock(&rdata->rp_mutex); FC_DEBUG_RPORT("Remove port (%6x)\n", rport->port_id); + if (rdata->rp_state == RPORT_ST_NONE) { + FC_DEBUG_RPORT("(%6x): Port (%6x) in NONE state," + " not removing", fc_host_port_id(lport->host), + rport->port_id); + mutex_unlock(&rdata->rp_mutex); + goto out; + } + fc_rport_enter_logo(rport); /* @@ -349,6 +362,7 @@ int fc_rport_logoff(struct fc_rport *rport) mutex_unlock(&rdata->rp_mutex); +out: return 0; } @@ -430,6 +444,7 @@ static void fc_rport_error(struct fc_rport *rport, struct fc_frame *fp) case RPORT_ST_PRLI: case RPORT_ST_LOGO: rdata->event = RPORT_EV_FAILED; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); break; @@ -494,7 +509,7 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp, struct fc_rport *rport = rp_arg; struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_lport *lport = rdata->local_port; - struct fc_els_flogi *plp; + struct fc_els_flogi *plp = NULL; unsigned int tov; u16 csp_seq; u16 cssp_seq; @@ -505,17 +520,19 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a PLOGI response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_PLOGI) { FC_DBG("Received a PLOGI response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC && (plp = fc_frame_payload_get(fp, sizeof(*plp))) != NULL) { @@ -614,17 +631,19 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a PRLI response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_PRLI) { FC_DBG("Received a PRLI response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { pp = fc_frame_payload_get(fp, sizeof(*pp)); @@ -646,6 +665,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, } else { FC_DBG("Bad ELS response\n"); rdata->event = RPORT_EV_FAILED; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); } @@ -678,23 +698,26 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a LOGO response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_LOGO) { FC_DEBUG_RPORT("Received a LOGO response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { fc_rport_enter_rtv(rport); } else { FC_DBG("Bad ELS response\n"); rdata->event = RPORT_EV_LOGO; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); } @@ -764,17 +787,19 @@ static void fc_rport_rtv_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a RTV response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_RTV) { FC_DBG("Received a RTV response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { struct fc_els_rtv_acc *rtv; @@ -1007,6 +1032,8 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport, default: FC_DEBUG_RPORT("incoming PLOGI from %x in unexpected " "state %d\n", sid, rdata->rp_state); + fc_frame_free(fp); + return; break; } @@ -1098,6 +1125,8 @@ static void fc_rport_recv_prli_req(struct fc_rport *rport, reason = ELS_RJT_NONE; break; default: + fc_frame_free(rx_fp); + return; break; } len = fr_len(rx_fp) - sizeof(*fh); @@ -1227,6 +1256,11 @@ static void fc_rport_recv_prlo_req(struct fc_rport *rport, struct fc_seq *sp, "while in state %s\n", ntoh24(fh->fh_s_id), fc_rport_state(rport)); + if (rdata->rp_state == RPORT_ST_NONE) { + fc_frame_free(fp); + return; + } + rjt_data.fp = NULL; rjt_data.reason = ELS_RJT_UNAB; rjt_data.explan = ELS_EXPL_NONE; @@ -1256,7 +1290,13 @@ static void fc_rport_recv_logo_req(struct fc_rport *rport, struct fc_seq *sp, "while in state %s\n", ntoh24(fh->fh_s_id), fc_rport_state(rport)); + if (rdata->rp_state == RPORT_ST_NONE) { + fc_frame_free(fp); + return; + } + rdata->event = RPORT_EV_LOGO; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 68962835916..e72b4ad47d3 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1463,6 +1463,16 @@ int iscsi_change_queue_depth(struct scsi_device *sdev, int depth) } EXPORT_SYMBOL_GPL(iscsi_change_queue_depth); +int iscsi_target_alloc(struct scsi_target *starget) +{ + struct iscsi_cls_session *cls_session = starget_to_session(starget); + struct iscsi_session *session = cls_session->dd_data; + + starget->can_queue = session->scsi_cmds_max; + return 0; +} +EXPORT_SYMBOL_GPL(iscsi_target_alloc); + void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session) { struct iscsi_session *session = cls_session->dd_data; diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index 91f8ce4d8d0..b579ca9f483 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -1036,8 +1036,11 @@ flush: rc = conn->session->tt->init_pdu(task, r2t->data_offset + r2t->sent, r2t->data_count); - if (rc) + if (rc) { + iscsi_conn_failure(conn, ISCSI_ERR_XMIT_FAILED); return rc; + } + r2t->sent += r2t->data_count; goto flush; } diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index dcba267db71..1105f9a111b 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -443,6 +443,7 @@ struct lpfc_hba { uint32_t hba_flag; /* hba generic flags */ #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ +#define DEFER_ERATT 0x4 /* Deferred error attention in progress */ struct lpfc_dmabuf slim2p; MAILBOX_t *mbox; @@ -723,4 +724,3 @@ lpfc_sli_read_hs(struct lpfc_hba *phba) return; } - diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 40cf0f4f327..c14f0cbdb12 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -51,7 +51,7 @@ #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" /** - * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules. + * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules * @incr: integer to convert. * @hdw: ascii string holding converted integer plus a string terminator. * @@ -82,7 +82,7 @@ lpfc_jedec_to_ascii(int incr, char hdw[]) } /** - * lpfc_drvr_version_show: Return the Emulex driver string with version number. + * lpfc_drvr_version_show - Return the Emulex driver string with version number * @dev: class unused variable. * @attr: device attribute, not used. * @buf: on return contains the module description text. @@ -152,7 +152,7 @@ lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_info_show: Return some pci info about the host in ascii. + * lpfc_info_show - Return some pci info about the host in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text from lpfc_info(). @@ -169,7 +169,7 @@ lpfc_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_serialnum_show: Return the hba serial number in ascii. + * lpfc_serialnum_show - Return the hba serial number in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text serial number. @@ -188,7 +188,7 @@ lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_temp_sensor_show: Return the temperature sensor level. + * lpfc_temp_sensor_show - Return the temperature sensor level * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted support level. @@ -210,7 +210,7 @@ lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modeldesc_show: Return the model description of the hba. + * lpfc_modeldesc_show - Return the model description of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model description. @@ -229,7 +229,7 @@ lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modelname_show: Return the model name of the hba. + * lpfc_modelname_show - Return the model name of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model name. @@ -248,7 +248,7 @@ lpfc_modelname_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_programtype_show: Return the program type of the hba. + * lpfc_programtype_show - Return the program type of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -267,7 +267,7 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag. + * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the Menlo Maintenance sli flag. @@ -286,7 +286,7 @@ lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_vportnum_show: Return the port number in ascii of the hba. + * lpfc_vportnum_show - Return the port number in ascii of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains scsi vpd program type. @@ -305,7 +305,7 @@ lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_fwrev_show: Return the firmware rev running in the hba. + * lpfc_fwrev_show - Return the firmware rev running in the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -326,7 +326,7 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_hdw_show: Return the jedec information about the hba. + * lpfc_hdw_show - Return the jedec information about the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -347,7 +347,7 @@ lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_option_rom_version_show: Return the adapter ROM FCode version. + * lpfc_option_rom_version_show - Return the adapter ROM FCode version * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the ROM and FCode ascii strings. @@ -366,7 +366,7 @@ lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_state_show: Return the link state of the port. + * lpfc_state_show - Return the link state of the port * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains text describing the state of the link. @@ -451,7 +451,7 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports. + * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the sum of fc mapped and unmapped. @@ -474,7 +474,7 @@ lpfc_num_discovered_ports_show(struct device *dev, } /** - * lpfc_issue_lip: Misnomer, name carried over from long ago. + * lpfc_issue_lip - Misnomer, name carried over from long ago * @shost: Scsi_Host pointer. * * Description: @@ -529,7 +529,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) } /** - * lpfc_do_offline: Issues a mailbox command to bring the link down. + * lpfc_do_offline - Issues a mailbox command to bring the link down * @phba: lpfc_hba pointer. * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. * @@ -537,7 +537,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) * Assumes any error from lpfc_do_offline() will be negative. * Can wait up to 5 seconds for the port ring buffers count * to reach zero, prints a warning if it is not zero and continues. - * lpfc_workq_post_event() returns a non-zero return coce if call fails. + * lpfc_workq_post_event() returns a non-zero return code if call fails. * * Returns: * -EIO error posting the event @@ -591,7 +591,7 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) } /** - * lpfc_selective_reset: Offline then onlines the port. + * lpfc_selective_reset - Offline then onlines the port * @phba: lpfc_hba pointer. * * Description: @@ -632,7 +632,7 @@ lpfc_selective_reset(struct lpfc_hba *phba) } /** - * lpfc_issue_reset: Selectively resets an adapter. + * lpfc_issue_reset - Selectively resets an adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the string "selective". @@ -672,7 +672,7 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nport_evt_cnt_show: Return the number of nport events. + * lpfc_nport_evt_cnt_show - Return the number of nport events * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the ascii number of nport events. @@ -691,7 +691,7 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_show: Return the state of the board. + * lpfc_board_mode_show - Return the state of the board * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the state of the adapter. @@ -720,7 +720,7 @@ lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state. + * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing one of the strings "online", "offline", "warm" or "error". @@ -766,14 +766,14 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_get_hba_info: Return various bits of informaton about the adapter. + * lpfc_get_hba_info - Return various bits of informaton about the adapter * @phba: pointer to the adapter structure. - * @mxri max xri count. - * @axri available xri count. - * @mrpi max rpi count. - * @arpi available rpi count. - * @mvpi max vpi count. - * @avpi available vpi count. + * @mxri: max xri count. + * @axri: available xri count. + * @mrpi: max rpi count. + * @arpi: available rpi count. + * @mvpi: max vpi count. + * @avpi: available vpi count. * * Description: * If an integer pointer for an count is not null then the value for the @@ -846,7 +846,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba, } /** - * lpfc_max_rpi_show: Return maximum rpi. + * lpfc_max_rpi_show - Return maximum rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum rpi count in decimal or "Unknown". @@ -874,7 +874,7 @@ lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_rpi_show: Return maximum rpi minus available rpi. + * lpfc_used_rpi_show - Return maximum rpi minus available rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the used rpi count in decimal or "Unknown". @@ -902,7 +902,7 @@ lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_xri_show: Return maximum xri. + * lpfc_max_xri_show - Return maximum xri * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum xri count in decimal or "Unknown". @@ -930,7 +930,7 @@ lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_xri_show: Return maximum xpi minus the available xpi. + * lpfc_used_xri_show - Return maximum xpi minus the available xpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used xri count in decimal or "Unknown". @@ -958,7 +958,7 @@ lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_vpi_show: Return maximum vpi. + * lpfc_max_vpi_show - Return maximum vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum vpi count in decimal or "Unknown". @@ -986,7 +986,7 @@ lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_vpi_show: Return maximum vpi minus the available vpi. + * lpfc_used_vpi_show - Return maximum vpi minus the available vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used vpi count in decimal or "Unknown". @@ -1014,7 +1014,7 @@ lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_npiv_info_show: Return text about NPIV support for the adapter. + * lpfc_npiv_info_show - Return text about NPIV support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: text that must be interpreted to determine if npiv is supported. @@ -1042,7 +1042,7 @@ lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_show: Return text about poll support for the adapter. + * lpfc_poll_show - Return text about poll support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the cfg_poll in hex. @@ -1064,7 +1064,7 @@ lpfc_poll_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_store: Set the value of cfg_poll for the adapter. + * lpfc_poll_store - Set the value of cfg_poll for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: one or more lpfc_polling_flags values. @@ -1136,7 +1136,7 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_param_show: Return a cfg attribute value in decimal. + * lpfc_param_show - Return a cfg attribute value in decimal * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1164,7 +1164,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_hex_show: Return a cfg attribute value in hex. + * lpfc_param_hex_show - Return a cfg attribute value in hex * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1173,7 +1173,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: size of formatted string. **/ @@ -1192,7 +1192,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_init: Intializes a cfg attribute. + * lpfc_param_init - Intializes a cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1226,7 +1226,7 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_set: Set a cfg attribute value. + * lpfc_param_set - Set a cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1260,7 +1260,7 @@ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_store: Set a vport attribute value. + * lpfc_param_store - Set a vport attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1300,7 +1300,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_show: Return decimal formatted cfg attribute value. + * lpfc_vport_param_show - Return decimal formatted cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1326,17 +1326,17 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_hex_show: Return hex formatted attribute value. + * lpfc_vport_param_hex_show - Return hex formatted attribute value * * Description: * Macro that given an attr e.g. * hba_queue_depth expands into a function with the name * lpfc_hba_queue_depth_show * - * lpfc_##attr##_show: prints the attribute value in hexidecimal. + * lpfc_##attr##_show: prints the attribute value in hexadecimal. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: length of formatted string. **/ @@ -1353,7 +1353,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_init: Initialize a vport cfg attribute. + * lpfc_vport_param_init - Initialize a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1386,7 +1386,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_set: Set a vport cfg attribute. + * lpfc_vport_param_set - Set a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1417,7 +1417,7 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_store: Set a vport attribute. + * lpfc_vport_param_store - Set a vport attribute * * Description: * Macro that given an attr e.g. hba_queue_depth @@ -1576,7 +1576,7 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); static char *lpfc_soft_wwn_key = "C99G71SL8032A"; /** - * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid. + * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the string lpfc_soft_wwn_key. @@ -1623,10 +1623,10 @@ static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, lpfc_soft_wwn_enable_store); /** - * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter. + * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the wwpn in hexidecimal. + * @buf: on return contains the wwpn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1643,10 +1643,10 @@ lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwpn_store: Set the ww port name of the adapter. + * lpfc_soft_wwpn_store - Set the ww port name of the adapter * @dev class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: contains the wwpn in hexidecimal. + * @buf: contains the wwpn in hexadecimal. * @count: number of wwpn bytes in buf * * Returns: @@ -1729,10 +1729,10 @@ static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); /** - * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter. + * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the wwnn in hexidecimal. + * @buf: on return contains the wwnn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1747,9 +1747,9 @@ lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwnn_store: sets the ww node name of the adapter. + * lpfc_soft_wwnn_store - sets the ww node name of the adapter * @cdev: class device that is converted into a Scsi_host. - * @buf: contains the ww node name in hexidecimal. + * @buf: contains the ww node name in hexadecimal. * @count: number of wwnn bytes in buf. * * Returns: @@ -1845,7 +1845,7 @@ MODULE_PARM_DESC(lpfc_nodev_tmo, "for a device to come back"); /** - * lpfc_nodev_tmo_show: Return the hba dev loss timeout value. + * lpfc_nodev_tmo_show - Return the hba dev loss timeout value * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the dev loss timeout in decimal. @@ -1864,7 +1864,7 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nodev_tmo_init: Set the hba nodev timeout value. + * lpfc_nodev_tmo_init - Set the hba nodev timeout value * @vport: lpfc vport structure pointer. * @val: contains the nodev timeout value. * @@ -1905,7 +1905,7 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) } /** - * lpfc_update_rport_devloss_tmo: Update dev loss tmo value. + * lpfc_update_rport_devloss_tmo - Update dev loss tmo value * @vport: lpfc vport structure pointer. * * Description: @@ -1926,7 +1926,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) } /** - * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values. + * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -1982,7 +1982,7 @@ lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, lpfc_vport_param_show(devloss_tmo) /** - * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit. + * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -2094,7 +2094,7 @@ MODULE_PARM_DESC(lpfc_restrict_login, lpfc_vport_param_show(restrict_login); /** - * lpfc_restrict_login_init: Set the vport restrict login flag. + * lpfc_restrict_login_init - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2128,7 +2128,7 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val) } /** - * lpfc_restrict_login_set: Set the vport restrict login flag. + * lpfc_restrict_login_set - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2201,7 +2201,7 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, */ /** - * lpfc_topology_set: Set the adapters topology field. + * lpfc_topology_set - Set the adapters topology field * @phba: lpfc_hba pointer. * @val: topology value. * @@ -2216,18 +2216,41 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_topology_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_topology_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (val >= 0 && val <= 6) { prev_val = phba->cfg_topology; phba->cfg_topology = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_topology = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "%d:0467 lpfc_topology attribute cannot be set to %d, " @@ -2240,14 +2263,12 @@ module_param(lpfc_topology, int, 0); MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); lpfc_param_show(topology) lpfc_param_init(topology, 0, 0, 6) -lpfc_param_store(topology) static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, lpfc_topology_show, lpfc_topology_store); /** - * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl - * sysfs file. + * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device. * @buf: Data buffer. * @count: Size of the data buffer. @@ -2282,7 +2303,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, unsigned long base, step, bucket_type; if (!strncmp(buf, "setbucket", strlen("setbucket"))) { - if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN) + if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) return -EINVAL; strcpy(bucket_data, buf); @@ -2411,8 +2432,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, /** - * lpfc_stat_data_ctrl_show: Read callback function for - * lpfc_stat_data_ctrl sysfs file. + * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device object. * @buf: Data buffer. * @@ -2489,8 +2509,7 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, /** - * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data - * sysfs attribute. + * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute * @kobj: Pointer to the kernel object * @bin_attr: Attribute object * @buff: Buffer pointer @@ -2585,7 +2604,7 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { */ /** - * lpfc_link_speed_set: Set the adapters link speed. + * lpfc_link_speed_set - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2601,12 +2620,29 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_link_speed_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || @@ -2614,14 +2650,19 @@ lpfc_link_speed_set(struct lpfc_hba *phba, int val) ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) return -EINVAL; - if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + if ((val >= 0 && val <= 8) && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { prev_val = phba->cfg_link_speed; phba->cfg_link_speed = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_link_speed = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -2637,7 +2678,7 @@ MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); lpfc_param_show(link_speed) /** - * lpfc_link_speed_init: Set the adapters link speed. + * lpfc_link_speed_init - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2668,7 +2709,6 @@ lpfc_link_speed_init(struct lpfc_hba *phba, int val) return -EINVAL; } -lpfc_param_store(link_speed) static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, lpfc_link_speed_show, lpfc_link_speed_store); @@ -2865,7 +2905,7 @@ MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); /* - * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count + * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count * This value can be set to values between 64 and 256. The default value is * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). @@ -2967,7 +3007,7 @@ struct device_attribute *lpfc_vport_attrs[] = { }; /** - * sysfs_ctlreg_write: Write method for writing to ctlreg. + * sysfs_ctlreg_write - Write method for writing to ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to the adapter IOREG space. @@ -3017,7 +3057,7 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_ctlreg_read: Read method for reading from ctlreg. + * sysfs_ctlreg_read - Read method for reading from ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: if succesful contains the data from the adapter IOREG space. @@ -3078,7 +3118,7 @@ static struct bin_attribute sysfs_ctlreg_attr = { }; /** - * sysfs_mbox_idle: frees the sysfs mailbox. + * sysfs_mbox_idle - frees the sysfs mailbox * @phba: lpfc_hba pointer **/ static void @@ -3095,7 +3135,7 @@ sysfs_mbox_idle(struct lpfc_hba *phba) } /** - * sysfs_mbox_write: Write method for writing information via mbox. + * sysfs_mbox_write - Write method for writing information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to sysfs mbox. @@ -3170,7 +3210,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_mbox_read: Read method for reading information via mbox. + * sysfs_mbox_read - Read method for reading information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be read from sysfs mbox. @@ -3374,7 +3414,7 @@ static struct bin_attribute sysfs_mbox_attr = { }; /** - * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries. + * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries * @vport: address of lpfc vport structure. * * Return codes: @@ -3415,7 +3455,7 @@ out: } /** - * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries. + * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries * @vport: address of lpfc vport structure. **/ void @@ -3437,7 +3477,7 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport) */ /** - * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id. + * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id * @shost: kernel scsi host pointer. **/ static void @@ -3450,7 +3490,7 @@ lpfc_get_host_port_id(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_type: Set the value of the scsi host port type. + * lpfc_get_host_port_type - Set the value of the scsi host port type * @shost: kernel scsi host pointer. **/ static void @@ -3482,7 +3522,7 @@ lpfc_get_host_port_type(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_state: Set the value of the scsi host port state. + * lpfc_get_host_port_state - Set the value of the scsi host port state * @shost: kernel scsi host pointer. **/ static void @@ -3520,7 +3560,7 @@ lpfc_get_host_port_state(struct Scsi_Host *shost) } /** - * lpfc_get_host_speed: Set the value of the scsi host speed. + * lpfc_get_host_speed - Set the value of the scsi host speed * @shost: kernel scsi host pointer. **/ static void @@ -3556,7 +3596,7 @@ lpfc_get_host_speed(struct Scsi_Host *shost) } /** - * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name. + * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name * @shost: kernel scsi host pointer. **/ static void @@ -3582,7 +3622,7 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost) } /** - * lpfc_get_stats: Return statistical information about the adapter. + * lpfc_get_stats - Return statistical information about the adapter * @shost: kernel scsi host pointer. * * Notes: @@ -3707,7 +3747,7 @@ lpfc_get_stats(struct Scsi_Host *shost) } /** - * lpfc_reset_stats: Copy the adapter link stats information. + * lpfc_reset_stats - Copy the adapter link stats information * @shost: kernel scsi host pointer. **/ static void @@ -3788,7 +3828,7 @@ lpfc_reset_stats(struct Scsi_Host *shost) */ /** - * lpfc_get_node_by_target: Return the nodelist for a target. + * lpfc_get_node_by_target - Return the nodelist for a target * @starget: kernel scsi target pointer. * * Returns: @@ -3817,7 +3857,7 @@ lpfc_get_node_by_target(struct scsi_target *starget) } /** - * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1. + * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 * @starget: kernel scsi target pointer. **/ static void @@ -3829,7 +3869,7 @@ lpfc_get_starget_port_id(struct scsi_target *starget) } /** - * lpfc_get_starget_node_name: Set the target node name. + * lpfc_get_starget_node_name - Set the target node name * @starget: kernel scsi target pointer. * * Description: Set the target node name to the ndlp node name wwn or zero. @@ -3844,7 +3884,7 @@ lpfc_get_starget_node_name(struct scsi_target *starget) } /** - * lpfc_get_starget_port_name: Set the target port name. + * lpfc_get_starget_port_name - Set the target port name * @starget: kernel scsi target pointer. * * Description: set the target port name to the ndlp port name wwn or zero. @@ -3859,7 +3899,7 @@ lpfc_get_starget_port_name(struct scsi_target *starget) } /** - * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo. + * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo * @rport: fc rport address. * @timeout: new value for dev loss tmo. * @@ -3877,7 +3917,7 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) } /** - * lpfc_rport_show_function: Return rport target information. + * lpfc_rport_show_function - Return rport target information * * Description: * Macro that uses field to generate a function with the name lpfc_show_rport_ @@ -3905,7 +3945,7 @@ lpfc_show_rport_##field (struct device *dev, \ static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) /** - * lpfc_set_vport_symbolic_name: Set the vport's symbolic name. + * lpfc_set_vport_symbolic_name - Set the vport's symbolic name * @fc_vport: The fc_vport who's symbolic name has been changed. * * Description: @@ -4048,7 +4088,7 @@ struct fc_function_template lpfc_vport_transport_functions = { }; /** - * lpfc_get_cfgparam: Used during probe_one to init the adapter structure. + * lpfc_get_cfgparam - Used during probe_one to init the adapter structure * @phba: lpfc_hba pointer. **/ void @@ -4097,7 +4137,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) } /** - * lpfc_get_vport_cfgparam: Used during port create, init the vport structure. + * lpfc_get_vport_cfgparam - Used during port create, init the vport structure * @vport: lpfc_vport pointer. **/ void diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 07f4976319a..f88ce3f2619 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -184,6 +184,8 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *); struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *); uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *); +void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t, + uint32_t); void lpfc_reset_barrier(struct lpfc_hba * phba); int lpfc_sli_brdready(struct lpfc_hba *, uint32_t); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 81cdcf46c47..52be5644e07 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -47,7 +47,7 @@ #include "lpfc_debugfs.h" #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -/** +/* * debugfs interface * * To access this interface the user should: @@ -95,7 +95,7 @@ module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, "Set debugfs slow ring trace depth"); -int lpfc_debugfs_mask_disc_trc; +static int lpfc_debugfs_mask_disc_trc; module_param(lpfc_debugfs_mask_disc_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, "Set debugfs discovery trace mask"); @@ -127,7 +127,7 @@ static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); static unsigned long lpfc_debugfs_start_time = 0L; /** - * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer. + * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer * @vport: The vport to gather the log info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -187,7 +187,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) } /** - * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer. + * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer * @phba: The HBA to gather the log info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -250,7 +250,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) static int lpfc_debugfs_last_hbq = -1; /** - * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer. + * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer * @phba: The HBA to gather host buffer info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -369,7 +369,7 @@ skipit: static int lpfc_debugfs_last_hba_slim_off; /** - * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer. + * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer * @phba: The HBA to gather SLIM info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -399,8 +399,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) len += snprintf(buf+len, size-len, "HBA SLIM\n"); lpfc_memcpy_from_slim(buffer, - ((uint8_t *)phba->MBslimaddr) + lpfc_debugfs_last_hba_slim_off, - 1024); + phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024); ptr = (uint32_t *)&buffer[0]; off = lpfc_debugfs_last_hba_slim_off; @@ -426,7 +425,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) } /** - * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer. + * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer * @phba: The HBA to gather Host SLIM info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -501,7 +500,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) } /** - * lpfc_debugfs_nodelist_data - Dump target node list to a buffer. + * lpfc_debugfs_nodelist_data - Dump target node list to a buffer * @vport: The vport to gather target node info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -599,7 +598,7 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) #endif /** - * lpfc_debugfs_disc_trc - Store discovery trace log. + * lpfc_debugfs_disc_trc - Store discovery trace log * @vport: The vport to associate this trace string with for retrieval. * @mask: Log entry classification. * @fmt: Format string to be displayed when dumping the log. @@ -643,7 +642,7 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, } /** - * lpfc_debugfs_slow_ring_trc - Store slow ring trace log. + * lpfc_debugfs_slow_ring_trc - Store slow ring trace log * @phba: The phba to associate this trace string with for retrieval. * @fmt: Format string to be displayed when dumping the log. * @data1: 1st data parameter to be applied to @fmt. @@ -682,7 +681,7 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, #ifdef CONFIG_SCSI_LPFC_DEBUG_FS /** - * lpfc_debugfs_disc_trc_open - Open the discovery trace log. + * lpfc_debugfs_disc_trc_open - Open the discovery trace log * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -732,7 +731,7 @@ out: } /** - * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log. + * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -782,7 +781,7 @@ out: } /** - * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer. + * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -824,7 +823,7 @@ out: } /** - * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer. + * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -866,7 +865,7 @@ out: } /** - * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer. + * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -993,7 +992,7 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, /** - * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file. + * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -1035,7 +1034,7 @@ out: } /** - * lpfc_debugfs_lseek - Seek through a debugfs file. + * lpfc_debugfs_lseek - Seek through a debugfs file * @file: The file pointer to seek through. * @off: The offset to seek to or the amount to seek by. * @whence: Indicates how to seek. @@ -1073,7 +1072,7 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) } /** - * lpfc_debugfs_read - Read a debugfs file. + * lpfc_debugfs_read - Read a debugfs file * @file: The file pointer to read from. * @buf: The buffer to copy the data to. * @nbytes: The number of bytes to read. @@ -1098,7 +1097,7 @@ lpfc_debugfs_read(struct file *file, char __user *buf, } /** - * lpfc_debugfs_release - Release the buffer used to store debugfs file data. + * lpfc_debugfs_release - Release the buffer used to store debugfs file data * @inode: The inode pointer that contains a vport pointer. (unused) * @file: The file pointer that contains the buffer to release. * @@ -1210,7 +1209,7 @@ static atomic_t lpfc_debugfs_hba_count; #endif /** - * lpfc_debugfs_initialize - Initialize debugfs for a vport. + * lpfc_debugfs_initialize - Initialize debugfs for a vport * @vport: The vport pointer to initialize. * * Description: @@ -1434,7 +1433,7 @@ debug_failed: } /** - * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport. + * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport * @vport: The vport pointer to remove from debugfs. * * Description: diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index f29e548a90d..ffd10897207 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -99,6 +99,7 @@ struct lpfc_nodelist { #define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */ struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */ + struct lpfc_hba *phba; struct fc_rport *rport; /* Corresponding FC transport port structure */ struct lpfc_vport *vport; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a7302480bc4..b8b34cf5c3d 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -55,7 +55,7 @@ static void lpfc_register_new_vport(struct lpfc_hba *phba, static int lpfc_max_els_tries = 3; /** - * lpfc_els_chk_latt: Check host link attention event for a vport. + * lpfc_els_chk_latt - Check host link attention event for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether there is an outstanding host link @@ -116,7 +116,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) } /** - * lpfc_prep_els_iocb: Allocate and prepare a lpfc iocb data structure. + * lpfc_prep_els_iocb - Allocate and prepare a lpfc iocb data structure * @vport: pointer to a host virtual N_Port data structure. * @expectRsp: flag indicating whether response is expected. * @cmdSize: size of the ELS command. @@ -290,7 +290,7 @@ els_iocb_free_pcmb_exit: } /** - * lpfc_issue_fabric_reglogin: Issue fabric registration login for a vport. + * lpfc_issue_fabric_reglogin - Issue fabric registration login for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues a fabric registration login for a @vport. An @@ -386,7 +386,7 @@ fail: } /** - * lpfc_cmpl_els_flogi_fabric: Completion function for flogi to a fabric port. + * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @sp: pointer to service parameter data structure. @@ -509,7 +509,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_flogi_nport: Completion function for flogi to an N_Port. + * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @sp: pointer to service parameter data structure. @@ -626,7 +626,7 @@ fail: } /** - * lpfc_cmpl_els_flogi: Completion callback function for flogi. + * lpfc_cmpl_els_flogi - Completion callback function for flogi * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -751,7 +751,7 @@ out: } /** - * lpfc_issue_els_flogi: Issue an flogi iocb command for a vport. + * lpfc_issue_els_flogi - Issue an flogi iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -849,7 +849,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_els_abort_flogi: Abort all outstanding flogi iocbs. + * lpfc_els_abort_flogi - Abort all outstanding flogi iocbs * @phba: pointer to lpfc hba data structure. * * This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs @@ -898,7 +898,7 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) } /** - * lpfc_initial_flogi: Issue an initial fabric login for a vport. + * lpfc_initial_flogi - Issue an initial fabric login for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues an initial Fabric Login (FLOGI) for the @vport @@ -949,7 +949,7 @@ lpfc_initial_flogi(struct lpfc_vport *vport) } /** - * lpfc_initial_fdisc: Issue an initial fabric discovery for a vport. + * lpfc_initial_fdisc - Issue an initial fabric discovery for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues an initial Fabric Discover (FDISC) for the @vport @@ -998,7 +998,7 @@ lpfc_initial_fdisc(struct lpfc_vport *vport) } /** - * lpfc_more_plogi: Check and issue remaining plogis for a vport. + * lpfc_more_plogi - Check and issue remaining plogis for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether there are more remaining Port Logins @@ -1031,7 +1031,7 @@ lpfc_more_plogi(struct lpfc_vport *vport) } /** - * lpfc_plogi_confirm_nport: Confirm pologi wwpn matches stored ndlp. + * lpfc_plogi_confirm_nport - Confirm pologi wwpn matches stored ndlp * @phba: pointer to lpfc hba data structure. * @prsp: pointer to response IOCB payload. * @ndlp: pointer to a node-list data structure. @@ -1165,7 +1165,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, } /** - * lpfc_end_rscn: Check and handle more rscn for a vport. + * lpfc_end_rscn - Check and handle more rscn for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether more Registration State Change @@ -1197,7 +1197,7 @@ lpfc_end_rscn(struct lpfc_vport *vport) } /** - * lpfc_cmpl_els_plogi: Completion callback function for plogi. + * lpfc_cmpl_els_plogi - Completion callback function for plogi * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1322,7 +1322,7 @@ out: } /** - * lpfc_issue_els_plogi: Issue an plogi iocb command for a vport. + * lpfc_issue_els_plogi - Issue an plogi iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @did: destination port identifier. * @retry: number of retries to the command IOCB. @@ -1401,7 +1401,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) } /** - * lpfc_cmpl_els_prli: Completion callback function for prli. + * lpfc_cmpl_els_prli - Completion callback function for prli * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1472,7 +1472,7 @@ out: } /** - * lpfc_issue_els_prli: Issue a prli iocb command for a vport. + * lpfc_issue_els_prli - Issue a prli iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1562,7 +1562,7 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_rscn_disc: Perform rscn discovery for a vport. + * lpfc_rscn_disc - Perform rscn discovery for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine performs Registration State Change Notification (RSCN) @@ -1588,7 +1588,7 @@ lpfc_rscn_disc(struct lpfc_vport *vport) } /** - * lpfc_adisc_done: Complete the adisc phase of discovery. + * lpfc_adisc_done - Complete the adisc phase of discovery * @vport: pointer to lpfc_vport hba data structure that finished all ADISCs. * * This function is called when the final ADISC is completed during discovery. @@ -1639,7 +1639,7 @@ lpfc_adisc_done(struct lpfc_vport *vport) } /** - * lpfc_more_adisc: Issue more adisc as needed. + * lpfc_more_adisc - Issue more adisc as needed * @vport: pointer to a host virtual N_Port data structure. * * This routine determines whether there are more ndlps on a @vport @@ -1672,7 +1672,7 @@ lpfc_more_adisc(struct lpfc_vport *vport) } /** - * lpfc_cmpl_els_adisc: Completion callback function for adisc. + * lpfc_cmpl_els_adisc - Completion callback function for adisc * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1760,7 +1760,7 @@ out: } /** - * lpfc_issue_els_adisc: Issue an address discover iocb to an node on a vport. + * lpfc_issue_els_adisc - Issue an address discover iocb to an node on a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1833,7 +1833,7 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_logo: Completion callback function for logo. + * lpfc_cmpl_els_logo - Completion callback function for logo * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1910,7 +1910,7 @@ out: } /** - * lpfc_issue_els_logo: Issue a logo to an node on a vport. + * lpfc_issue_els_logo - Issue a logo to an node on a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1991,7 +1991,7 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_cmd: Completion callback function for generic els command. + * lpfc_cmpl_els_cmd - Completion callback function for generic els command * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2031,7 +2031,7 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_els_scr: Issue a scr to an node on a vport. + * lpfc_issue_els_scr - Issue a scr to an node on a vport * @vport: pointer to a host virtual N_Port data structure. * @nportid: N_Port identifier to the remote node. * @retry: number of retries to the command IOCB. @@ -2125,7 +2125,7 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) } /** - * lpfc_issue_els_farpr: Issue a farp to an node on a vport. + * lpfc_issue_els_farpr - Issue a farp to an node on a vport * @vport: pointer to a host virtual N_Port data structure. * @nportid: N_Port identifier to the remote node. * @retry: number of retries to the command IOCB. @@ -2236,7 +2236,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) } /** - * lpfc_cancel_retry_delay_tmo: Cancel the timer with delayed iocb-cmd retry. + * lpfc_cancel_retry_delay_tmo - Cancel the timer with delayed iocb-cmd retry * @vport: pointer to a host virtual N_Port data structure. * @nlp: pointer to a node-list data structure. * @@ -2291,7 +2291,7 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) } /** - * lpfc_els_retry_delay: Timer function with a ndlp delayed function timer. + * lpfc_els_retry_delay - Timer function with a ndlp delayed function timer * @ptr: holder for the pointer to the timer function associated data (ndlp). * * This routine is invoked by the ndlp delayed-function timer to check @@ -2333,7 +2333,7 @@ lpfc_els_retry_delay(unsigned long ptr) } /** - * lpfc_els_retry_delay_handler: Work thread handler for ndlp delayed function. + * lpfc_els_retry_delay_handler - Work thread handler for ndlp delayed function * @ndlp: pointer to a node-list data structure. * * This routine is the worker-thread handler for processing the @ndlp delayed @@ -2404,7 +2404,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) } /** - * lpfc_els_retry: Make retry decision on an els command iocb. + * lpfc_els_retry - Make retry decision on an els command iocb * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2732,7 +2732,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_free_data: Free lpfc dma buffer and data structure with an iocb. + * lpfc_els_free_data - Free lpfc dma buffer and data structure with an iocb * @phba: pointer to lpfc hba data structure. * @buf_ptr1: pointer to the lpfc DMA buffer data structure. * @@ -2764,7 +2764,7 @@ lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) } /** - * lpfc_els_free_bpl: Free lpfc dma buffer and data structure with bpl. + * lpfc_els_free_bpl - Free lpfc dma buffer and data structure with bpl * @phba: pointer to lpfc hba data structure. * @buf_ptr: pointer to the lpfc dma buffer data structure. * @@ -2784,7 +2784,7 @@ lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) } /** - * lpfc_els_free_iocb: Free a command iocb and its associated resources. + * lpfc_els_free_iocb - Free a command iocb and its associated resources * @phba: pointer to lpfc hba data structure. * @elsiocb: pointer to lpfc els command iocb data structure. * @@ -2877,7 +2877,7 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) } /** - * lpfc_cmpl_els_logo_acc: Completion callback function to logo acc response. + * lpfc_cmpl_els_logo_acc - Completion callback function to logo acc response * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2931,7 +2931,7 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_mbx_cmpl_dflt_rpi: Completion callbk func for unreg dflt rpi mbox cmd. + * lpfc_mbx_cmpl_dflt_rpi - Completion callbk func for unreg dflt rpi mbox cmd * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -2965,7 +2965,7 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_cmpl_els_rsp: Completion callback function for els response iocb cmd. + * lpfc_cmpl_els_rsp - Completion callback function for els response iocb cmd * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -3136,7 +3136,7 @@ out: } /** - * lpfc_els_rsp_acc: Prepare and issue an acc response iocb command. + * lpfc_els_rsp_acc - Prepare and issue an acc response iocb command * @vport: pointer to a host virtual N_Port data structure. * @flag: the els command code to be accepted. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3275,7 +3275,7 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, } /** - * lpfc_els_rsp_reject: Propare and issue a rjt response iocb command. + * lpfc_els_rsp_reject - Propare and issue a rjt response iocb command * @vport: pointer to a virtual N_Port data structure. * @rejectError: * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3356,7 +3356,7 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, } /** - * lpfc_els_rsp_adisc_acc: Prepare and issue acc response to adisc iocb cmd. + * lpfc_els_rsp_adisc_acc - Prepare and issue acc response to adisc iocb cmd * @vport: pointer to a virtual N_Port data structure. * @oldiocb: pointer to the original lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -3431,7 +3431,7 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, } /** - * lpfc_els_rsp_prli_acc: Prepare and issue acc response to prli iocb cmd. + * lpfc_els_rsp_prli_acc - Prepare and issue acc response to prli iocb cmd * @vport: pointer to a virtual N_Port data structure. * @oldiocb: pointer to the original lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -3529,7 +3529,7 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, } /** - * lpfc_els_rsp_rnid_acc: Issue rnid acc response iocb command. + * lpfc_els_rsp_rnid_acc - Issue rnid acc response iocb command * @vport: pointer to a virtual N_Port data structure. * @format: rnid command format. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3635,7 +3635,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, } /** - * lpfc_els_disc_adisc: Issue remaining adisc iocbs to npr nodes of a vport. + * lpfc_els_disc_adisc - Issue remaining adisc iocbs to npr nodes of a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues Address Discover (ADISC) ELS commands to those @@ -3693,7 +3693,7 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport) } /** - * lpfc_els_disc_plogi: Issue plogi for all npr nodes of a vport before adisc. + * lpfc_els_disc_plogi - Issue plogi for all npr nodes of a vport before adisc * @vport: pointer to a host virtual N_Port data structure. * * This routine issues Port Login (PLOGI) ELS commands to all the N_Ports @@ -3752,7 +3752,7 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport) } /** - * lpfc_els_flush_rscn: Clean up any rscn activities with a vport. + * lpfc_els_flush_rscn - Clean up any rscn activities with a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine cleans up any Registration State Change Notification @@ -3791,7 +3791,7 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport) } /** - * lpfc_rscn_payload_check: Check whether there is a pending rscn to a did. + * lpfc_rscn_payload_check - Check whether there is a pending rscn to a did * @vport: pointer to a host virtual N_Port data structure. * @did: remote destination port identifier. * @@ -3866,7 +3866,7 @@ return_did_out: } /** - * lpfc_rscn_recovery_check: Send recovery event to vport nodes matching rscn + * lpfc_rscn_recovery_check - Send recovery event to vport nodes matching rscn * @vport: pointer to a host virtual N_Port data structure. * * This routine sends recovery (NLP_EVT_DEVICE_RECOVERY) event to the @@ -3895,7 +3895,7 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport) } /** - * lpfc_send_rscn_event: Send an RSCN event to management application. + * lpfc_send_rscn_event - Send an RSCN event to management application * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @@ -3938,7 +3938,7 @@ lpfc_send_rscn_event(struct lpfc_vport *vport, } /** - * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb. + * lpfc_els_rcv_rscn - Process an unsolicited rscn iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4134,7 +4134,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_handle_rscn: Handle rscn for a vport. + * lpfc_els_handle_rscn - Handle rscn for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine handles the Registration State Configuration Notification @@ -4222,7 +4222,7 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport) } /** - * lpfc_els_rcv_flogi: Process an unsolicited flogi iocb. + * lpfc_els_rcv_flogi - Process an unsolicited flogi iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4336,7 +4336,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_rnid: Process an unsolicited rnid iocb. + * lpfc_els_rcv_rnid - Process an unsolicited rnid iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4391,7 +4391,7 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_lirr: Process an unsolicited lirr iocb. + * lpfc_els_rcv_lirr - Process an unsolicited lirr iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4419,7 +4419,7 @@ lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rsp_rps_acc: Completion callbk func for MBX_READ_LNK_STAT mbox cmd. + * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -4513,7 +4513,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_els_rcv_rps: Process an unsolicited rps iocb. + * lpfc_els_rcv_rps - Process an unsolicited rps iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4590,7 +4590,7 @@ reject_out: } /** - * lpfc_els_rsp_rpl_acc: Issue an accept rpl els command. + * lpfc_els_rsp_rpl_acc - Issue an accept rpl els command * @vport: pointer to a host virtual N_Port data structure. * @cmdsize: size of the ELS command. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -4662,7 +4662,7 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, } /** - * lpfc_els_rcv_rpl: Process an unsolicited rpl iocb. + * lpfc_els_rcv_rpl - Process an unsolicited rpl iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4721,7 +4721,7 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_farp: Process an unsolicited farp request els command. + * lpfc_els_rcv_farp - Process an unsolicited farp request els command * @vport: pointer to a virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4804,7 +4804,7 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_farpr: Process an unsolicited farp response iocb. + * lpfc_els_rcv_farpr - Process an unsolicited farp response iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4842,7 +4842,7 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_fan: Process an unsolicited fan iocb command. + * lpfc_els_rcv_fan - Process an unsolicited fan iocb command * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @fan_ndlp: pointer to a node-list data structure. @@ -4890,7 +4890,7 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_timeout: Handler funciton to the els timer. + * lpfc_els_timeout - Handler funciton to the els timer * @ptr: holder for the timer function associated data. * * This routine is invoked by the ELS timer after timeout. It posts the ELS @@ -4919,7 +4919,7 @@ lpfc_els_timeout(unsigned long ptr) } /** - * lpfc_els_timeout_handler: Process an els timeout event. + * lpfc_els_timeout_handler - Process an els timeout event * @vport: pointer to a virtual N_Port data structure. * * This routine is the actual handler function that processes an ELS timeout @@ -4994,7 +4994,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) } /** - * lpfc_els_flush_cmd: Clean up the outstanding els commands to a vport. + * lpfc_els_flush_cmd - Clean up the outstanding els commands to a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine is used to clean up all the outstanding ELS commands on a @@ -5058,25 +5058,15 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &piocb->iocb; - list_del_init(&piocb->list); - - if (!piocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, piocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } - } + /* Cancell all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); return; } /** - * lpfc_els_flush_all_cmd: Clean up all the outstanding els commands to a HBA. + * lpfc_els_flush_all_cmd - Clean up all the outstanding els commands to a HBA * @phba: pointer to lpfc hba data structure. * * This routine is used to clean up all the outstanding ELS commands on a @@ -5121,23 +5111,16 @@ lpfc_els_flush_all_cmd(struct lpfc_hba *phba) lpfc_sli_issue_abort_iotag(phba, pring, piocb); } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &piocb->iocb; - list_del_init(&piocb->list); - if (!piocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, piocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } - } + + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); + return; } /** - * lpfc_send_els_failure_event: Posts an ELS command failure event. + * lpfc_send_els_failure_event - Posts an ELS command failure event * @phba: Pointer to hba context object. * @cmdiocbp: Pointer to command iocb which reported error. * @rspiocbp: Pointer to response iocb which reported error. @@ -5204,7 +5187,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba, } /** - * lpfc_send_els_event: Posts unsolicited els event. + * lpfc_send_els_event - Posts unsolicited els event * @vport: Pointer to vport object. * @ndlp: Pointer FC node object. * @cmd: ELS command code. @@ -5284,7 +5267,7 @@ lpfc_send_els_event(struct lpfc_vport *vport, /** - * lpfc_els_unsol_buffer: Process an unsolicited event data buffer. + * lpfc_els_unsol_buffer - Process an unsolicited event data buffer * @phba: pointer to lpfc hba data structure. * @pring: pointer to a SLI ring. * @vport: pointer to a host virtual N_Port data structure. @@ -5592,7 +5575,7 @@ dropit: } /** - * lpfc_find_vport_by_vpid: Find a vport on a HBA through vport identifier. + * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: host virtual N_Port identifier. * @@ -5622,7 +5605,7 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) } /** - * lpfc_els_unsol_event: Process an unsolicited event from an els sli ring. + * lpfc_els_unsol_event - Process an unsolicited event from an els sli ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a SLI ring. * @elsiocb: pointer to lpfc els iocb data structure. @@ -5710,7 +5693,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_do_scr_ns_plogi: Issue a plogi to the name server for scr. + * lpfc_do_scr_ns_plogi - Issue a plogi to the name server for scr * @phba: pointer to lpfc hba data structure. * @vport: pointer to a virtual N_Port data structure. * @@ -5781,7 +5764,7 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) } /** - * lpfc_cmpl_reg_new_vport: Completion callback function to register new vport. + * lpfc_cmpl_reg_new_vport - Completion callback function to register new vport * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -5850,7 +5833,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_register_new_vport: Register a new vport with a HBA. + * lpfc_register_new_vport - Register a new vport with a HBA * @phba: pointer to lpfc hba data structure. * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. @@ -5899,7 +5882,7 @@ mbox_err_exit: } /** - * lpfc_cmpl_els_fdisc: Completion function for fdisc iocb command. + * lpfc_cmpl_els_fdisc - Completion function for fdisc iocb command * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6007,7 +5990,7 @@ out: } /** - * lpfc_issue_els_fdisc: Issue a fdisc iocb command. + * lpfc_issue_els_fdisc - Issue a fdisc iocb command * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -6101,7 +6084,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_npiv_logo: Completion function with vport logo. + * lpfc_cmpl_els_npiv_logo - Completion function with vport logo * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6136,7 +6119,7 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_els_npiv_logo: Issue a logo off a vport. + * lpfc_issue_els_npiv_logo - Issue a logo off a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @@ -6197,7 +6180,7 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) } /** - * lpfc_fabric_block_timeout: Handler function to the fabric block timer. + * lpfc_fabric_block_timeout - Handler function to the fabric block timer * @ptr: holder for the timer function associated data. * * This routine is invoked by the fabric iocb block timer after @@ -6226,7 +6209,7 @@ lpfc_fabric_block_timeout(unsigned long ptr) } /** - * lpfc_resume_fabric_iocbs: Issue a fabric iocb from driver internal list. + * lpfc_resume_fabric_iocbs - Issue a fabric iocb from driver internal list * @phba: pointer to lpfc hba data structure. * * This routine issues one fabric iocb from the driver internal list to @@ -6285,7 +6268,7 @@ repeat: } /** - * lpfc_unblock_fabric_iocbs: Unblock issuing fabric iocb command. + * lpfc_unblock_fabric_iocbs - Unblock issuing fabric iocb command * @phba: pointer to lpfc hba data structure. * * This routine unblocks the issuing fabric iocb command. The function @@ -6303,7 +6286,7 @@ lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) } /** - * lpfc_block_fabric_iocbs: Block issuing fabric iocb command. + * lpfc_block_fabric_iocbs - Block issuing fabric iocb command * @phba: pointer to lpfc hba data structure. * * This routine blocks the issuing fabric iocb for a specified amount of @@ -6325,7 +6308,7 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba) } /** - * lpfc_cmpl_fabric_iocb: Completion callback function for fabric iocb. + * lpfc_cmpl_fabric_iocb - Completion callback function for fabric iocb * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6384,7 +6367,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_fabric_iocb: Issue a fabric iocb command. + * lpfc_issue_fabric_iocb - Issue a fabric iocb command * @phba: pointer to lpfc hba data structure. * @iocb: pointer to lpfc command iocb data structure. * @@ -6453,7 +6436,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) } /** - * lpfc_fabric_abort_vport: Abort a vport's iocbs from driver fabric iocb list. + * lpfc_fabric_abort_vport - Abort a vport's iocbs from driver fabric iocb list * @vport: pointer to a virtual N_Port data structure. * * This routine aborts all the IOCBs associated with a @vport from the @@ -6468,7 +6451,6 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) LIST_HEAD(completions); struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *tmp_iocb, *piocb; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, @@ -6481,19 +6463,13 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** - * lpfc_fabric_abort_nport: Abort a ndlp's iocbs from driver fabric iocb list. + * lpfc_fabric_abort_nport - Abort a ndlp's iocbs from driver fabric iocb list * @ndlp: pointer to a node-list data structure. * * This routine aborts all the IOCBs associated with an @ndlp from the @@ -6506,10 +6482,9 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) { LIST_HEAD(completions); - struct lpfc_hba *phba = ndlp->vport->phba; + struct lpfc_hba *phba = ndlp->phba; struct lpfc_iocbq *tmp_iocb, *piocb; struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, @@ -6521,19 +6496,13 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** - * lpfc_fabric_abort_hba: Abort all iocbs on driver fabric iocb list. + * lpfc_fabric_abort_hba - Abort all iocbs on driver fabric iocb list * @phba: pointer to lpfc hba data structure. * * This routine aborts all the IOCBs currently on the driver internal @@ -6546,20 +6515,12 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) void lpfc_fabric_abort_hba(struct lpfc_hba *phba) { LIST_HEAD(completions); - struct lpfc_iocbq *piocb; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_splice_init(&phba->fabric_iocb_list, &completions); spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 311ed6dea72..e764ce0bf70 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -78,7 +78,7 @@ lpfc_terminate_rport_io(struct fc_rport *rport) return; } - phba = ndlp->vport->phba; + phba = ndlp->phba; lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, "rport terminate: sid:x%x did:x%x flg:x%x", @@ -276,7 +276,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) } /** - * lpfc_alloc_fast_evt: Allocates data structure for posting event. + * lpfc_alloc_fast_evt - Allocates data structure for posting event * @phba: Pointer to hba context object. * * This function is called from the functions which need to post @@ -303,7 +303,7 @@ lpfc_alloc_fast_evt(struct lpfc_hba *phba) { } /** - * lpfc_free_fast_evt: Frees event data structure. + * lpfc_free_fast_evt - Frees event data structure * @phba: Pointer to hba context object. * @evt: Event object which need to be freed. * @@ -319,7 +319,7 @@ lpfc_free_fast_evt(struct lpfc_hba *phba, } /** - * lpfc_send_fastpath_evt: Posts events generated from fast path. + * lpfc_send_fastpath_evt - Posts events generated from fast path * @phba: Pointer to hba context object. * @evtp: Event data structure. * @@ -1858,13 +1858,18 @@ lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) NLP_STE_UNUSED_NODE); } /** - * lpfc_initialize_node: Initialize all fields of node object. + * lpfc_initialize_node - Initialize all fields of node object * @vport: Pointer to Virtual Port object. * @ndlp: Pointer to FC node object. * @did: FC_ID of the node. - * This function is always called when node object need to - * be initialized. It initializes all the fields of the node - * object. + * + * This function is always called when node object need to be initialized. + * It initializes all the fields of the node object. Although the reference + * to phba from @ndlp can be obtained indirectly through it's reference to + * @vport, a direct reference to phba is taken here by @ndlp. This is due + * to the life-span of the @ndlp might go beyond the existence of @vport as + * the final release of ndlp is determined by its reference count. And, the + * operation on @ndlp needs the reference to phba. **/ static inline void lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, @@ -1877,6 +1882,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp->nlp_delayfunc.data = (unsigned long)ndlp; ndlp->nlp_DID = did; ndlp->vport = vport; + ndlp->phba = vport->phba; ndlp->nlp_sid = NLP_NO_SID; kref_init(&ndlp->kref); NLP_INT_NODE_ACT(ndlp); @@ -2086,7 +2092,6 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) struct lpfc_sli *psli; struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *icmd; uint32_t rpi, i; lpfc_fabric_abort_nport(ndlp); @@ -2122,19 +2127,9 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } } - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl)(phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); return 0; } @@ -2186,9 +2181,13 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport) mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->context1 = NULL; rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); - if (rc == MBX_NOT_FINISHED) { + if (rc != MBX_TIMEOUT) mempool_free(mbox, phba->mbox_mem_pool); - } + + if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, + "1836 Could not issue " + "unreg_login(all_rpis) status %d\n", rc); } } @@ -2206,12 +2205,14 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport) mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->context1 = NULL; rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); - if (rc == MBX_NOT_FINISHED) { + if (rc != MBX_TIMEOUT) + mempool_free(mbox, phba->mbox_mem_pool); + + if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, "1815 Could not issue " - "unreg_did (default rpis)\n"); - mempool_free(mbox, phba->mbox_mem_pool); - } + "unreg_did (default rpis) status %d\n", + rc); } } @@ -2470,14 +2471,13 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) if (ndlp->nlp_flag & NLP_RCV_PLOGI) return NULL; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); - /* Since this node is marked for discovery, * delay timeout is not needed. */ lpfc_cancel_retry_delay_tmo(vport, ndlp); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); } else ndlp = NULL; } else { @@ -2740,19 +2740,9 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } static void @@ -3173,7 +3163,7 @@ lpfc_nlp_release(struct kref *kref) lpfc_nlp_remove(ndlp->vport, ndlp); /* clear the ndlp active flag for all release cases */ - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); NLP_CLR_NODE_ACT(ndlp); spin_unlock_irqrestore(&phba->ndlp_lock, flags); @@ -3181,7 +3171,7 @@ lpfc_nlp_release(struct kref *kref) /* free ndlp memory for final ndlp release */ if (NLP_CHK_FREE_REQ(ndlp)) { kfree(ndlp->lat_data); - mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); + mempool_free(ndlp, ndlp->phba->nlp_mem_pool); } } @@ -3204,7 +3194,7 @@ lpfc_nlp_get(struct lpfc_nodelist *ndlp) * ndlp reference count that is in the process of being * released. */ - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { spin_unlock_irqrestore(&phba->ndlp_lock, flags); @@ -3240,7 +3230,7 @@ lpfc_nlp_put(struct lpfc_nodelist *ndlp) "node put: did:x%x flg:x%x refcnt:x%x", ndlp->nlp_DID, ndlp->nlp_flag, atomic_read(&ndlp->kref.refcount)); - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); /* Check the ndlp memory free acknowledge flag to avoid the * possible race condition that kref_put got invoked again diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 06874e6009e..86d1bdcbf2d 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -60,7 +60,7 @@ static struct scsi_transport_template *lpfc_vport_transport_template = NULL; static DEFINE_IDR(lpfc_hba_index); /** - * lpfc_config_port_prep: Perform lpfc initialization prior to config port. + * lpfc_config_port_prep - Perform lpfc initialization prior to config port * @phba: pointer to lpfc hba data structure. * * This routine will do LPFC initialization prior to issuing the CONFIG_PORT @@ -221,7 +221,7 @@ out_free_mbox: } /** - * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd. + * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -242,8 +242,7 @@ lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) } /** - * lpfc_dump_wakeup_param_cmpl: Completion handler for dump memory mailbox - * command used for getting wake up parameters. + * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -287,7 +286,7 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) } /** - * lpfc_config_port_post: Perform lpfc initialization after config port. + * lpfc_config_port_post - Perform lpfc initialization after config port * @phba: pointer to lpfc hba data structure. * * This routine will do LPFC initialization after the CONFIG_PORT mailbox @@ -303,6 +302,7 @@ int lpfc_config_port_post(struct lpfc_hba *phba) { struct lpfc_vport *vport = phba->pport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); LPFC_MBOXQ_t *pmb; MAILBOX_t *mb; struct lpfc_dmabuf *mp; @@ -360,6 +360,11 @@ lpfc_config_port_post(struct lpfc_hba *phba) sizeof (struct lpfc_name)); memcpy(&vport->fc_portname, &vport->fc_sparam.portName, sizeof (struct lpfc_name)); + + /* Update the fc_host data structures with new wwn. */ + fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); + fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); + /* If no serial number in VPD data, use low 6 bytes of WWNN */ /* This should be consolidated into parse_vpd ? - mr */ if (phba->SerialNumber[0] == 0) { @@ -551,7 +556,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) } /** - * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset. + * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset * @phba: pointer to lpfc HBA data structure. * * This routine will do LPFC uninitialization before the HBA is reset when @@ -583,7 +588,7 @@ lpfc_hba_down_prep(struct lpfc_hba *phba) } /** - * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset. + * lpfc_hba_down_post - Perform lpfc uninitialization after HBA reset * @phba: pointer to lpfc HBA data structure. * * This routine will do uninitialization after the HBA is reset when bring @@ -599,8 +604,6 @@ lpfc_hba_down_post(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; struct lpfc_dmabuf *mp, *next_mp; - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; LIST_HEAD(completions); int i; @@ -628,20 +631,9 @@ lpfc_hba_down_post(struct lpfc_hba *phba) pring->txcmplq_cnt = 0; spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, - list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); lpfc_sli_abort_iocb_ring(phba, pring); spin_lock_irq(&phba->hbalock); @@ -652,7 +644,7 @@ lpfc_hba_down_post(struct lpfc_hba *phba) } /** - * lpfc_hb_timeout: The HBA-timer timeout handler. + * lpfc_hb_timeout - The HBA-timer timeout handler * @ptr: unsigned long holds the pointer to lpfc hba data structure. * * This is the HBA-timer timeout handler registered to the lpfc driver. When @@ -686,7 +678,7 @@ lpfc_hb_timeout(unsigned long ptr) } /** - * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function. + * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -721,7 +713,7 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) } /** - * lpfc_hb_timeout_handler: The HBA-timer timeout handler. + * lpfc_hb_timeout_handler - The HBA-timer timeout handler * @phba: pointer to lpfc hba data structure. * * This is the actual HBA-timer timeout handler to be invoked by the worker @@ -830,7 +822,7 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) } /** - * lpfc_offline_eratt: Bring lpfc offline on hardware error attention. + * lpfc_offline_eratt - Bring lpfc offline on hardware error attention * @phba: pointer to lpfc hba data structure. * * This routine is called to bring the HBA offline when HBA hardware error @@ -857,7 +849,73 @@ lpfc_offline_eratt(struct lpfc_hba *phba) } /** - * lpfc_handle_eratt: The HBA hardware error handler. + * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to handle the deferred HBA hardware error + * conditions. This type of error is indicated by HBA by setting ER1 + * and another ER bit in the host status register. The driver will + * wait until the ER1 bit clears before handling the error condition. + **/ +static void +lpfc_handle_deferred_eratt(struct lpfc_hba *phba) +{ + uint32_t old_host_status = phba->work_hs; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli = &phba->sli; + + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0479 Deferred Adapter Hardware Error " + "Data: x%x x%x x%x\n", + phba->work_hs, + phba->work_status[0], phba->work_status[1]); + + spin_lock_irq(&phba->hbalock); + psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + spin_unlock_irq(&phba->hbalock); + + + /* + * Firmware stops when it triggred erratt. That could cause the I/Os + * dropped by the firmware. Error iocb (I/O) on txcmplq and let the + * SCSI layer retry it after re-establishing link. + */ + pring = &psli->ring[psli->fcp_ring]; + lpfc_sli_abort_iocb_ring(phba, pring); + + /* + * There was a firmware error. Take the hba offline and then + * attempt to restart it. + */ + lpfc_offline_prep(phba); + lpfc_offline(phba); + + /* Wait for the ER1 bit to clear.*/ + while (phba->work_hs & HS_FFER1) { + msleep(100); + phba->work_hs = readl(phba->HSregaddr); + /* If driver is unloading let the worker thread continue */ + if (phba->pport->load_flag & FC_UNLOADING) { + phba->work_hs = 0; + break; + } + } + + /* + * This is to ptrotect against a race condition in which + * first write to the host attention register clear the + * host status register. + */ + if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) + phba->work_hs = old_host_status & ~HS_FFER1; + + phba->hba_flag &= ~DEFER_ERATT; + phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); + phba->work_status[1] = readl(phba->MBslimaddr + 0xac); +} + +/** + * lpfc_handle_eratt - The HBA hardware error handler * @phba: pointer to lpfc hba data structure. * * This routine is invoked to handle the following HBA hardware error @@ -895,6 +953,9 @@ lpfc_handle_eratt(struct lpfc_hba *phba) (char *) &board_event, LPFC_NL_VENDOR_ID); + if (phba->hba_flag & DEFER_ERATT) + lpfc_handle_deferred_eratt(phba); + if (phba->work_hs & HS_FFER6) { /* Re-establishing Link */ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, @@ -976,7 +1037,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba) } /** - * lpfc_handle_latt: The HBA link event handler. + * lpfc_handle_latt - The HBA link event handler * @phba: pointer to lpfc hba data structure. * * This routine is invoked from the worker thread to handle a HBA host @@ -1063,7 +1124,7 @@ lpfc_handle_latt_err_exit: } /** - * lpfc_parse_vpd: Parse VPD (Vital Product Data). + * lpfc_parse_vpd - Parse VPD (Vital Product Data) * @phba: pointer to lpfc hba data structure. * @vpd: pointer to the vital product data. * @len: length of the vital product data in bytes. @@ -1213,7 +1274,7 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) } /** - * lpfc_get_hba_model_desc: Retrieve HBA device model name and description. + * lpfc_get_hba_model_desc - Retrieve HBA device model name and description * @phba: pointer to lpfc hba data structure. * @mdp: pointer to the data structure to hold the derived model name. * @descp: pointer to the data structure to hold the derived description. @@ -1322,7 +1383,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_DCSP: - m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; + m = (typeof(m)){"LP2105", max_speed, "PCIe"}; + GE = 1; break; case PCI_DEVICE_ID_ZMID: m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; @@ -1392,7 +1454,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) } /** - * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring. + * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a IOCB ring. * @cnt: the number of IOCBs to be posted to the IOCB ring. @@ -1493,7 +1555,7 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) } /** - * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring. + * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring * @phba: pointer to lpfc hba data structure. * * This routine posts initial receive IOCB buffers to the ELS ring. The @@ -1518,7 +1580,7 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba) #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) /** - * lpfc_sha_init: Set up initial array of hash table entries. + * lpfc_sha_init - Set up initial array of hash table entries * @HashResultPointer: pointer to an array as hash table. * * This routine sets up the initial values to the array of hash table entries @@ -1535,7 +1597,7 @@ lpfc_sha_init(uint32_t * HashResultPointer) } /** - * lpfc_sha_iterate: Iterate initial hash table with the working hash table. + * lpfc_sha_iterate - Iterate initial hash table with the working hash table * @HashResultPointer: pointer to an initial/result hash table. * @HashWorkingPointer: pointer to an working hash table. * @@ -1592,7 +1654,7 @@ lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) } /** - * lpfc_challenge_key: Create challenge key based on WWPN of the HBA. + * lpfc_challenge_key - Create challenge key based on WWPN of the HBA * @RandomChallenge: pointer to the entry of host challenge random number array. * @HashWorking: pointer to the entry of the working hash array. * @@ -1608,7 +1670,7 @@ lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) } /** - * lpfc_hba_init: Perform special handling for LC HBA initialization. + * lpfc_hba_init - Perform special handling for LC HBA initialization * @phba: pointer to lpfc hba data structure. * @hbainit: pointer to an array of unsigned 32-bit integers. * @@ -1637,7 +1699,7 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) } /** - * lpfc_cleanup: Performs vport cleanups before deleting a vport. + * lpfc_cleanup - Performs vport cleanups before deleting a vport * @vport: pointer to a virtual N_Port data structure. * * This routine performs the necessary cleanups before deleting the @vport. @@ -1724,7 +1786,7 @@ lpfc_cleanup(struct lpfc_vport *vport) } /** - * lpfc_stop_vport_timers: Stop all the timers associated with a vport. + * lpfc_stop_vport_timers - Stop all the timers associated with a vport * @vport: pointer to a virtual N_Port data structure. * * This routine stops all the timers associated with a @vport. This function @@ -1741,7 +1803,7 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport) } /** - * lpfc_stop_phba_timers: Stop all the timers associated with an HBA. + * lpfc_stop_phba_timers - Stop all the timers associated with an HBA * @phba: pointer to lpfc hba data structure. * * This routine stops all the timers associated with a HBA. This function is @@ -1761,7 +1823,7 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba) } /** - * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked. + * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked * @phba: pointer to lpfc hba data structure. * * This routine marks a HBA's management interface as blocked. Once the HBA's @@ -1781,7 +1843,7 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba) } /** - * lpfc_online: Initialize and bring a HBA online. + * lpfc_online - Initialize and bring a HBA online * @phba: pointer to lpfc hba data structure. * * This routine initializes the HBA and brings a HBA online. During this @@ -1839,7 +1901,7 @@ lpfc_online(struct lpfc_hba *phba) } /** - * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked. + * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked * @phba: pointer to lpfc hba data structure. * * This routine marks a HBA's management interface as not blocked. Once the @@ -1860,7 +1922,7 @@ lpfc_unblock_mgmt_io(struct lpfc_hba * phba) } /** - * lpfc_offline_prep: Prepare a HBA to be brought offline. + * lpfc_offline_prep - Prepare a HBA to be brought offline * @phba: pointer to lpfc hba data structure. * * This routine is invoked to prepare a HBA to be brought offline. It performs @@ -1917,7 +1979,7 @@ lpfc_offline_prep(struct lpfc_hba * phba) } /** - * lpfc_offline: Bring a HBA offline. + * lpfc_offline - Bring a HBA offline * @phba: pointer to lpfc hba data structure. * * This routine actually brings a HBA offline. It stops all the timers @@ -1962,7 +2024,7 @@ lpfc_offline(struct lpfc_hba *phba) } /** - * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists. + * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists * @phba: pointer to lpfc hba data structure. * * This routine is to free all the SCSI buffers and IOCBs from the driver @@ -2001,7 +2063,7 @@ lpfc_scsi_free(struct lpfc_hba *phba) } /** - * lpfc_create_port: Create an FC port. + * lpfc_create_port - Create an FC port * @phba: pointer to lpfc hba data structure. * @instance: a unique integer ID to this FC port. * @dev: pointer to the device data structure. @@ -2091,7 +2153,7 @@ out: } /** - * destroy_port: Destroy an FC port. + * destroy_port - destroy an FC port * @vport: pointer to an lpfc virtual N_Port data structure. * * This routine destroys a FC port from the upper layer protocol. All the @@ -2116,7 +2178,7 @@ destroy_port(struct lpfc_vport *vport) } /** - * lpfc_get_instance: Get a unique integer ID. + * lpfc_get_instance - Get a unique integer ID * * This routine allocates a unique integer ID from lpfc_hba_index pool. It * uses the kernel idr facility to perform the task. @@ -2139,7 +2201,7 @@ lpfc_get_instance(void) } /** - * lpfc_scan_finished: method for SCSI layer to detect whether scan is done. + * lpfc_scan_finished - method for SCSI layer to detect whether scan is done * @shost: pointer to SCSI host data structure. * @time: elapsed time of the scan in jiffies. * @@ -2197,7 +2259,7 @@ finished: } /** - * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port. + * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port * @shost: pointer to SCSI host data structure. * * This routine initializes a given SCSI host attributes on a FC port. The @@ -2252,7 +2314,7 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) } /** - * lpfc_enable_msix: Enable MSI-X interrupt mode. + * lpfc_enable_msix - Enable MSI-X interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI-X interrupt vectors. The kernel @@ -2366,7 +2428,7 @@ msi_fail_out: } /** - * lpfc_disable_msix: Disable MSI-X interrupt mode. + * lpfc_disable_msix - Disable MSI-X interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to release the MSI-X vectors and then disable the @@ -2385,7 +2447,7 @@ lpfc_disable_msix(struct lpfc_hba *phba) } /** - * lpfc_enable_msi: Enable MSI interrupt mode. + * lpfc_enable_msi - Enable MSI interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI interrupt mode. The kernel @@ -2423,7 +2485,7 @@ lpfc_enable_msi(struct lpfc_hba *phba) } /** - * lpfc_disable_msi: Disable MSI interrupt mode. + * lpfc_disable_msi - Disable MSI interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to disable the MSI interrupt mode. The driver @@ -2441,7 +2503,7 @@ lpfc_disable_msi(struct lpfc_hba *phba) } /** - * lpfc_log_intr_mode: Log the active interrupt mode + * lpfc_log_intr_mode - Log the active interrupt mode * @phba: pointer to lpfc hba data structure. * @intr_mode: active interrupt mode adopted. * @@ -2490,7 +2552,7 @@ lpfc_stop_port(struct lpfc_hba *phba) } /** - * lpfc_enable_intr: Enable device interrupt. + * lpfc_enable_intr - Enable device interrupt * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable device interrupt and associate driver's @@ -2547,7 +2609,7 @@ lpfc_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) } /** - * lpfc_disable_intr: Disable device interrupt. + * lpfc_disable_intr - Disable device interrupt * @phba: pointer to lpfc hba data structure. * * This routine is invoked to disable device interrupt and disassociate the @@ -2574,7 +2636,7 @@ lpfc_disable_intr(struct lpfc_hba *phba) } /** - * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem. + * lpfc_pci_probe_one - lpfc PCI probe func to register device to PCI subsystem * @pdev: pointer to PCI device * @pid: pointer to PCI device identifier * @@ -3010,7 +3072,7 @@ out: } /** - * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem. + * lpfc_pci_remove_one - lpfc PCI func to unregister device from PCI subsystem * @pdev: pointer to PCI device * * This routine is to be registered to the kernel's PCI subsystem. When an @@ -3033,8 +3095,6 @@ lpfc_pci_remove_one(struct pci_dev *pdev) lpfc_free_sysfs_attr(vport); - kthread_stop(phba->worker_thread); - /* Release all the vports against this physical port */ vports = lpfc_create_vport_work_array(phba); if (vports != NULL) @@ -3052,7 +3112,12 @@ lpfc_pci_remove_one(struct pci_dev *pdev) * clears the rings, discards all mailbox commands, and resets * the HBA. */ + + /* HBA interrupt will be diabled after this call */ lpfc_sli_hba_down(phba); + /* Stop kthread signal shall trigger work_done one more time */ + kthread_stop(phba->worker_thread); + /* Final cleanup of txcmplq and reset the HBA */ lpfc_sli_brdrestart(phba); lpfc_stop_phba_timers(phba); @@ -3095,7 +3160,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) } /** - * lpfc_pci_suspend_one: lpfc PCI func to suspend device for power management. + * lpfc_pci_suspend_one - lpfc PCI func to suspend device for power management * @pdev: pointer to PCI device * @msg: power management message * @@ -3139,7 +3204,7 @@ lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) } /** - * lpfc_pci_resume_one: lpfc PCI func to resume device for power management. + * lpfc_pci_resume_one - lpfc PCI func to resume device for power management * @pdev: pointer to PCI device * * This routine is to be registered to the kernel's PCI subsystem to support @@ -3204,7 +3269,7 @@ lpfc_pci_resume_one(struct pci_dev *pdev) } /** - * lpfc_io_error_detected: Driver method for handling PCI I/O error detected. + * lpfc_io_error_detected - Driver method for handling PCI I/O error detected * @pdev: pointer to PCI device. * @state: the current PCI connection state. * @@ -3254,7 +3319,7 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, } /** - * lpfc_io_slot_reset: Restart a PCI device from scratch. + * lpfc_io_slot_reset - Restart a PCI device from scratch * @pdev: pointer to PCI device. * * This routine is registered to the PCI subsystem for error handling. This is @@ -3313,7 +3378,7 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) } /** - * lpfc_io_resume: Resume PCI I/O operation. + * lpfc_io_resume - Resume PCI I/O operation * @pdev: pointer to PCI device * * This routine is registered to the PCI subsystem for error handling. It is @@ -3426,7 +3491,7 @@ static struct pci_driver lpfc_driver = { }; /** - * lpfc_init: lpfc module initialization routine. + * lpfc_init - lpfc module initialization routine * * This routine is to be invoked when the lpfc module is loaded into the * kernel. The special kernel macro module_init() is used to indicate the @@ -3472,7 +3537,7 @@ lpfc_init(void) } /** - * lpfc_exit: lpfc module removal routine. + * lpfc_exit - lpfc module removal routine * * This routine is invoked when the lpfc module is removed from the kernel. * The special kernel macro module_exit() is used to indicate the role of diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h index a85b7c196bb..1aa85709b01 100644 --- a/drivers/scsi/lpfc/lpfc_logmsg.h +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -27,7 +27,7 @@ #define LOG_FCP 0x40 /* FCP traffic history */ #define LOG_NODE 0x80 /* Node table events */ #define LOG_TEMP 0x100 /* Temperature sensor events */ -#define LOG_BG 0x200 /* BlockBuard events */ +#define LOG_BG 0x200 /* BlockGuard events */ #define LOG_MISC 0x400 /* Miscellaneous events */ #define LOG_SLI 0x800 /* SLI events */ #define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */ diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 34eeb086a66..134fc7fc212 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -39,7 +39,7 @@ #include "lpfc_compat.h" /** - * lpfc_dump_mem: Prepare a mailbox command for retrieving HBA's VPD memory. + * lpfc_dump_mem - Prepare a mailbox command for retrieving HBA's VPD memory * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @offset: offset for dumping VPD memory mailbox command. @@ -77,9 +77,10 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) } /** - * lpfc_dump_mem: Prepare a mailbox command for retrieving wakeup params. + * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. + * * This function create a dump memory mailbox command to dump wake up * parameters. */ @@ -109,7 +110,7 @@ lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_read_nv: Prepare a mailbox command for reading HBA's NVRAM param. + * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -132,7 +133,7 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_async: Prepare a mailbox command for enabling HBA async event. + * lpfc_config_async - Prepare a mailbox command for enabling HBA async event * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @ring: ring number for the asynchronous event to be configured. @@ -159,7 +160,7 @@ lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, } /** - * lpfc_heart_beat: Prepare a mailbox command for heart beat. + * lpfc_heart_beat - Prepare a mailbox command for heart beat * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -184,7 +185,7 @@ lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_read_la: Prepare a mailbox command for reading HBA link attention. + * lpfc_read_la - Prepare a mailbox command for reading HBA link attention * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @mp: DMA buffer memory for reading the link attention information into. @@ -228,7 +229,7 @@ lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) } /** - * lpfc_clear_la: Prepare a mailbox command for clearing HBA link attention. + * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -257,7 +258,7 @@ lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_link: Prepare a mailbox command for configuring link on a HBA. + * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -305,7 +306,7 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_msi: Prepare a mailbox command for configuring msi-x. + * lpfc_config_msi - Prepare a mailbox command for configuring msi-x * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -383,7 +384,7 @@ lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA. + * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @topology: the link topology for the link to be initialized to. @@ -463,7 +464,7 @@ lpfc_init_link(struct lpfc_hba * phba, } /** - * lpfc_read_sparam: Prepare a mailbox command for reading HBA parameters. + * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @vpi: virtual N_Port identifier. @@ -523,7 +524,7 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) } /** - * lpfc_unreg_did: Prepare a mailbox command for unregistering DID. + * lpfc_unreg_did - Prepare a mailbox command for unregistering DID * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. @@ -555,7 +556,7 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, } /** - * lpfc_read_config: Prepare a mailbox command for reading HBA configuration. + * lpfc_read_config - Prepare a mailbox command for reading HBA configuration * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -581,7 +582,7 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_read_lnk_stat: Prepare a mailbox command for reading HBA link stats. + * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -606,7 +607,7 @@ lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_reg_login: Prepare a mailbox command for registering remote login. + * lpfc_reg_login - Prepare a mailbox command for registering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. @@ -677,7 +678,7 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, } /** - * lpfc_unreg_login: Prepare a mailbox command for unregistering remote login. + * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @rpi: remote port identifier @@ -709,7 +710,7 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, } /** - * lpfc_reg_vpi: Prepare a mailbox command for registering vport identifier. + * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). @@ -741,7 +742,7 @@ lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, } /** - * lpfc_unreg_vpi: Prepare a mailbox command for unregistering vport id. + * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @pmb: pointer to the driver internal queue element for mailbox command. @@ -771,7 +772,7 @@ lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) } /** - * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB) + * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) * @phba: pointer to lpfc hba data structure. * * This routine sets up and initializes the IOCB rings in the Port Control @@ -835,7 +836,7 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba) } /** - * lpfc_read_rev: Prepare a mailbox command for reading HBA revision. + * lpfc_read_rev - Prepare a mailbox command for reading HBA revision * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -861,7 +862,7 @@ lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_build_hbq_profile2: Set up the HBQ Selection Profile 2. + * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -880,7 +881,7 @@ lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, } /** - * lpfc_build_hbq_profile3: Set up the HBQ Selection Profile 3. + * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -902,7 +903,7 @@ lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, } /** - * lpfc_build_hbq_profile5: Set up the HBQ Selection Profile 5. + * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -925,7 +926,7 @@ lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, } /** - * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ. + * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ * @phba: pointer to lpfc hba data structure. * @id: HBQ identifier. * @hbq_desc: pointer to the HBA descriptor data structure. @@ -999,7 +1000,7 @@ lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, } /** - * lpfc_config_ring: Prepare a mailbox command for configuring an IOCB ring. + * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring * @phba: pointer to lpfc hba data structure. * @ring: * @pmb: pointer to the driver internal queue element for mailbox command. @@ -1057,7 +1058,7 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_port: Prepare a mailbox command for configuring port. + * lpfc_config_port - Prepare a mailbox command for configuring port * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -1227,7 +1228,7 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_kill_board: Prepare a mailbox command for killing board. + * lpfc_kill_board - Prepare a mailbox command for killing board * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -1253,7 +1254,7 @@ lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_mbox_put: Put a mailbox cmd into the tail of driver's mailbox queue. + * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * @@ -1277,7 +1278,7 @@ lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) } /** - * lpfc_mbox_get: Remove a mailbox cmd from the head of driver's mailbox queue. + * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * * Driver maintains a internal mailbox command queue implemented as a linked @@ -1304,7 +1305,7 @@ lpfc_mbox_get(struct lpfc_hba * phba) } /** - * lpfc_mbox_cmpl_put: Put mailbox command into mailbox command complete list. + * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * @@ -1327,7 +1328,7 @@ lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) } /** - * lpfc_mbox_tmo_val: Retrieve mailbox command timeout value. + * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value * @phba: pointer to lpfc hba data structure. * @cmd: mailbox command code. * diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index a4bba206924..35a97673339 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -41,7 +41,7 @@ /** - * lpfc_mem_alloc: create and allocate all PCI and memory pools + * lpfc_mem_alloc - create and allocate all PCI and memory pools * @phba: HBA to allocate pools for * * Description: Creates and allocates PCI pools lpfc_scsi_dma_buf_pool, @@ -136,12 +136,12 @@ lpfc_mem_alloc(struct lpfc_hba * phba) } /** - * lpfc_mem_free: Frees all PCI and memory allocated by lpfc_mem_alloc + * lpfc_mem_free - Frees all PCI and memory allocated by lpfc_mem_alloc * @phba: HBA to free memory for * * Description: Frees PCI pools lpfc_scsi_dma_buf_pool, lpfc_mbuf_pool, * lpfc_hbq_pool. Frees kmalloc-backed mempools for LPFC_MBOXQ_t and - * lpfc_nodelist. Also frees the VPI bitmask. + * lpfc_nodelist. Also frees the VPI bitmask * * Returns: None **/ @@ -212,7 +212,7 @@ lpfc_mem_free(struct lpfc_hba * phba) } /** - * lpfc_mbuf_alloc: Allocate an mbuf from the lpfc_mbuf_pool PCI pool + * lpfc_mbuf_alloc - Allocate an mbuf from the lpfc_mbuf_pool PCI pool * @phba: HBA which owns the pool to allocate from * @mem_flags: indicates if this is a priority (MEM_PRI) allocation * @handle: used to return the DMA-mapped address of the mbuf @@ -249,7 +249,7 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) } /** - * __lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (locked) + * __lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (locked) * @phba: HBA which owns the pool to return to * @virt: mbuf to free * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed @@ -278,7 +278,7 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) } /** - * lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked) + * lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked) * @phba: HBA which owns the pool to return to * @virt: mbuf to free * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed @@ -291,7 +291,6 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) * Returns: None **/ void - lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) { unsigned long iflags; @@ -303,7 +302,7 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) } /** - * lpfc_els_hbq_alloc: Allocate an HBQ buffer + * lpfc_els_hbq_alloc - Allocate an HBQ buffer * @phba: HBA to allocate HBQ buffer for * * Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hbq_pool PCI @@ -335,7 +334,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba) } /** - * lpfc_mem_hbq_free: Frees an HBQ buffer allocated with lpfc_els_hbq_alloc + * lpfc_mem_hbq_free - Frees an HBQ buffer allocated with lpfc_els_hbq_alloc * @phba: HBA buffer was allocated for * @hbqbp: HBQ container returned by lpfc_els_hbq_alloc * @@ -355,7 +354,7 @@ lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp) } /** - * lpfc_in_buf_free: Free a DMA buffer + * lpfc_in_buf_free - Free a DMA buffer * @phba: HBA buffer is associated with * @mp: Buffer to free * diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 8f548adae9c..08cdc77af41 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -192,7 +192,6 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *cmd; /* Abort outstanding I/O on NPort <nlp_DID> */ lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, @@ -223,19 +222,10 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); + lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); return 0; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 36fd2e75da1..167b66dd34c 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -112,7 +112,7 @@ lpfc_debug_save_dif(struct scsi_cmnd *cmnd) } /** - * lpfc_update_stats: Update statistical data for the command completion. + * lpfc_update_stats - Update statistical data for the command completion * @phba: Pointer to HBA object. * @lpfc_cmd: lpfc scsi command object pointer. * @@ -165,8 +165,7 @@ lpfc_update_stats(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) } /** - * lpfc_send_sdev_queuedepth_change_event: Posts a queuedepth change - * event. + * lpfc_send_sdev_queuedepth_change_event - Posts a queuedepth change event * @phba: Pointer to HBA context object. * @vport: Pointer to vport object. * @ndlp: Pointer to FC node associated with the target. @@ -220,7 +219,7 @@ lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba, } /** - * lpfc_rampdown_queue_depth: Post RAMP_DOWN_QUEUE event to worker thread. + * lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread * @phba: The Hba for which this call is being executed. * * This routine is called when there is resource error in driver or firmware. @@ -261,7 +260,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) } /** - * lpfc_rampup_queue_depth: Post RAMP_UP_QUEUE event for worker thread. + * lpfc_rampup_queue_depth - Post RAMP_UP_QUEUE event for worker thread * @phba: The Hba for which this call is being executed. * * This routine post WORKER_RAMP_UP_QUEUE event for @phba vport. This routine @@ -273,14 +272,14 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) **/ static inline void lpfc_rampup_queue_depth(struct lpfc_vport *vport, - struct scsi_device *sdev) + uint32_t queue_depth) { unsigned long flags; struct lpfc_hba *phba = vport->phba; uint32_t evt_posted; atomic_inc(&phba->num_cmd_success); - if (vport->cfg_lun_queue_depth <= sdev->queue_depth) + if (vport->cfg_lun_queue_depth <= queue_depth) return; spin_lock_irqsave(&phba->hbalock, flags); if (((phba->last_ramp_up_time + QUEUE_RAMP_UP_INTERVAL) > jiffies) || @@ -303,7 +302,7 @@ lpfc_rampup_queue_depth(struct lpfc_vport *vport, } /** - * lpfc_ramp_down_queue_handler: WORKER_RAMP_DOWN_QUEUE event handler. + * lpfc_ramp_down_queue_handler - WORKER_RAMP_DOWN_QUEUE event handler * @phba: The Hba for which this call is being executed. * * This routine is called to process WORKER_RAMP_DOWN_QUEUE event for worker @@ -361,7 +360,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) } /** - * lpfc_ramp_up_queue_handler: WORKER_RAMP_UP_QUEUE event handler. + * lpfc_ramp_up_queue_handler - WORKER_RAMP_UP_QUEUE event handler * @phba: The Hba for which this call is being executed. * * This routine is called to process WORKER_RAMP_UP_QUEUE event for worker @@ -410,7 +409,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) } /** - * lpfc_scsi_dev_block: set all scsi hosts to block state. + * lpfc_scsi_dev_block - set all scsi hosts to block state * @phba: Pointer to HBA context object. * * This function walks vport list and set each SCSI host to block state @@ -439,7 +438,7 @@ lpfc_scsi_dev_block(struct lpfc_hba *phba) } /** - * lpfc_new_scsi_buf: Scsi buffer allocator. + * lpfc_new_scsi_buf - Scsi buffer allocator * @vport: The virtual port for which this call being executed. * * This routine allocates a scsi buffer, which contains all the necessary @@ -563,7 +562,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport) } /** - * lpfc_get_scsi_buf: Get a scsi buffer from lpfc_scsi_buf_list list of Hba. + * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list list of Hba * @phba: The Hba for which this call is being executed. * * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list @@ -592,7 +591,7 @@ lpfc_get_scsi_buf(struct lpfc_hba * phba) } /** - * lpfc_release_scsi_buf: Return a scsi buffer back to hba lpfc_scsi_buf_list list. + * lpfc_release_scsi_buf - Return a scsi buffer back to hba's lpfc_scsi_buf_list * @phba: The Hba for which this call is being executed. * @psb: The scsi buffer which is being released. * @@ -611,7 +610,7 @@ lpfc_release_scsi_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb) } /** - * lpfc_scsi_prep_dma_buf: Routine to do DMA mapping for scsi buffer. + * lpfc_scsi_prep_dma_buf - Routine to do DMA mapping for scsi buffer * @phba: The Hba for which this call is being executed. * @lpfc_cmd: The scsi buffer which is going to be mapped. * @@ -738,7 +737,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) * Due to difference in data length between DIF/non-DIF paths, * we need to set word 4 of IOCB here */ - iocb_cmd->un.fcpi.fcpi_parm = le32_to_cpu(scsi_bufflen(scsi_cmnd)); + iocb_cmd->un.fcpi.fcpi_parm = scsi_bufflen(scsi_cmnd); return 0; } @@ -823,9 +822,9 @@ lpfc_cmd_blksize(struct scsi_cmnd *sc) /** * lpfc_get_cmd_dif_parms - Extract DIF parameters from SCSI command * @sc: in: SCSI command - * @apptagmask out: app tag mask - * @apptagval out: app tag value - * @reftag out: ref tag (reference tag) + * @apptagmask: out: app tag mask + * @apptagval: out: app tag value + * @reftag: out: ref tag (reference tag) * * Description: * Extract DIF paramters from the command if possible. Otherwise, @@ -1413,7 +1412,7 @@ out: } /** - * lpfc_send_scsi_error_event: Posts an event when there is SCSI error. + * lpfc_send_scsi_error_event - Posts an event when there is SCSI error * @phba: Pointer to hba context object. * @vport: Pointer to vport object. * @lpfc_cmd: Pointer to lpfc scsi command which reported the error. @@ -1505,7 +1504,7 @@ lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport, } /** - * lpfc_scsi_unprep_dma_buf: Routine to un-map DMA mapping of scatter gather. + * lpfc_scsi_unprep_dma_buf - Routine to un-map DMA mapping of scatter gather * @phba: The Hba for which this call is being executed. * @psb: The scsi buffer which is going to be un-mapped. * @@ -1530,7 +1529,7 @@ lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) } /** - * lpfc_handler_fcp_err: FCP response handler. + * lpfc_handler_fcp_err - FCP response handler * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure. * @rsp_iocb: The response IOCB which contains FCP error. @@ -1674,7 +1673,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, } /** - * lpfc_scsi_cmd_iocb_cmpl: Scsi cmnd IOCB completion routine. + * lpfc_scsi_cmd_iocb_cmpl - Scsi cmnd IOCB completion routine * @phba: The Hba for which this call is being executed. * @pIocbIn: The command IOCBQ for the scsi cmnd. * @pIocbOut: The response IOCBQ for the scsi cmnd . @@ -1694,10 +1693,12 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, struct lpfc_nodelist *pnode = rdata->pnode; struct scsi_cmnd *cmd = lpfc_cmd->pCmd; int result; - struct scsi_device *sdev, *tmp_sdev; + struct scsi_device *tmp_sdev; int depth = 0; unsigned long flags; struct lpfc_fast_path_event *fast_path_evt; + struct Scsi_Host *shost = cmd->device->host; + uint32_t queue_depth, scsi_id; lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; lpfc_cmd->status = pIocbOut->iocb.ulpStatus; @@ -1808,11 +1809,10 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_update_stats(phba, lpfc_cmd); result = cmd->result; - sdev = cmd->device; if (vport->cfg_max_scsicmpl_time && time_after(jiffies, lpfc_cmd->start_time + msecs_to_jiffies(vport->cfg_max_scsicmpl_time))) { - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); if (pnode && NLP_CHK_NODE_ACT(pnode)) { if (pnode->cmd_qdepth > atomic_read(&pnode->cmd_pending) && @@ -1825,22 +1825,26 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, pnode->last_change_time = jiffies; } - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); } else if (pnode && NLP_CHK_NODE_ACT(pnode)) { if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) && time_after(jiffies, pnode->last_change_time + msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) { - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); pnode->cmd_qdepth += pnode->cmd_qdepth * LPFC_TGTQ_RAMPUP_PCENT / 100; if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH) pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; pnode->last_change_time = jiffies; - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); } } lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); + + /* The sdev is not guaranteed to be valid post scsi_done upcall. */ + queue_depth = cmd->device->queue_depth; + scsi_id = cmd->device->id; cmd->scsi_done(cmd); if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { @@ -1848,28 +1852,28 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * If there is a thread waiting for command completion * wake up the thread. */ - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); lpfc_cmd->pCmd = NULL; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); lpfc_release_scsi_buf(phba, lpfc_cmd); return; } if (!result) - lpfc_rampup_queue_depth(vport, sdev); + lpfc_rampup_queue_depth(vport, queue_depth); if (!result && pnode && NLP_CHK_NODE_ACT(pnode) && ((jiffies - pnode->last_ramp_up_time) > LPFC_Q_RAMP_UP_INTERVAL * HZ) && ((jiffies - pnode->last_q_full_time) > LPFC_Q_RAMP_UP_INTERVAL * HZ) && - (vport->cfg_lun_queue_depth > sdev->queue_depth)) { - shost_for_each_device(tmp_sdev, sdev->host) { + (vport->cfg_lun_queue_depth > queue_depth)) { + shost_for_each_device(tmp_sdev, shost) { if (vport->cfg_lun_queue_depth > tmp_sdev->queue_depth){ - if (tmp_sdev->id != sdev->id) + if (tmp_sdev->id != scsi_id) continue; if (tmp_sdev->ordered_tags) scsi_adjust_queue_depth(tmp_sdev, @@ -1885,7 +1889,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, } lpfc_send_sdev_queuedepth_change_event(phba, vport, pnode, 0xFFFFFFFF, - sdev->queue_depth - 1, sdev->queue_depth); + queue_depth , queue_depth + 1); } /* @@ -1896,8 +1900,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, NLP_CHK_NODE_ACT(pnode)) { pnode->last_q_full_time = jiffies; - shost_for_each_device(tmp_sdev, sdev->host) { - if (tmp_sdev->id != sdev->id) + shost_for_each_device(tmp_sdev, shost) { + if (tmp_sdev->id != scsi_id) continue; depth = scsi_track_queue_full(tmp_sdev, tmp_sdev->queue_depth - 1); @@ -1909,7 +1913,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * scsi_track_queue_full. */ if (depth == -1) - depth = sdev->host->cmd_per_lun; + depth = shost->cmd_per_lun; if (depth) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP, @@ -1925,17 +1929,17 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * If there is a thread waiting for command completion * wake up the thread. */ - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); lpfc_cmd->pCmd = NULL; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); lpfc_release_scsi_buf(phba, lpfc_cmd); } /** - * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB. + * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB * @data: A pointer to the immediate command data portion of the IOCB. * @fcp_cmnd: The FCP Command that is provided by the SCSI layer. * @@ -1953,7 +1957,7 @@ lpfc_fcpcmd_to_iocb(uint8_t *data, struct fcp_cmnd *fcp_cmnd) } /** - * lpfc_scsi_prep_cmnd: Routine to convert scsi cmnd to FCP information unit. + * lpfc_scsi_prep_cmnd - Routine to convert scsi cmnd to FCP information unit * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: The scsi command which needs to send. * @pnode: Pointer to lpfc_nodelist. @@ -2047,7 +2051,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, } /** - * lpfc_scsi_prep_task_mgmt_cmnd: Convert scsi TM cmnd to FCP information unit. + * lpfc_scsi_prep_task_mgmt_cmnd - Convert scsi TM cmnd to FCP information unit * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure. * @lun: Logical unit number. @@ -2110,7 +2114,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport, } /** - * lpc_taskmgmt_def_cmpl: IOCB completion routine for task management command. + * lpfc_taskmgmt_def_cmpl - IOCB completion routine for task management command * @phba: The Hba for which this call is being executed. * @cmdiocbq: Pointer to lpfc_iocbq data structure. * @rspiocbq: Pointer to lpfc_iocbq data structure. @@ -2131,7 +2135,7 @@ lpfc_tskmgmt_def_cmpl(struct lpfc_hba *phba, } /** - * lpfc_scsi_tgt_reset: Target reset handler. + * lpfc_scsi_tgt_reset - Target reset handler * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure * @vport: The virtual port for which this call is being executed. * @tgt_id: Target ID. @@ -2198,7 +2202,7 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_vport *vport, } /** - * lpfc_info: Info entry point of scsi_host_template data structure. + * lpfc_info - Info entry point of scsi_host_template data structure * @host: The scsi host for which this call is being executed. * * This routine provides module information about hba. @@ -2236,7 +2240,7 @@ lpfc_info(struct Scsi_Host *host) } /** - * lpfc_poll_rearm_time: Routine to modify fcp_poll timer of hba. + * lpfc_poll_rearm_time - Routine to modify fcp_poll timer of hba * @phba: The Hba for which this call is being executed. * * This routine modifies fcp_poll_timer field of @phba by cfg_poll_tmo. @@ -2253,7 +2257,7 @@ static __inline__ void lpfc_poll_rearm_timer(struct lpfc_hba * phba) } /** - * lpfc_poll_start_timer: Routine to start fcp_poll_timer of HBA. + * lpfc_poll_start_timer - Routine to start fcp_poll_timer of HBA * @phba: The Hba for which this call is being executed. * * This routine starts the fcp_poll_timer of @phba. @@ -2264,7 +2268,7 @@ void lpfc_poll_start_timer(struct lpfc_hba * phba) } /** - * lpfc_poll_timeout: Restart polling timer. + * lpfc_poll_timeout - Restart polling timer * @ptr: Map to lpfc_hba data structure pointer. * * This routine restarts fcp_poll timer, when FCP ring polling is enable @@ -2283,8 +2287,7 @@ void lpfc_poll_timeout(unsigned long ptr) } /** - * lpfc_queuecommand: Queuecommand entry point of Scsi Host Templater data - * structure. + * lpfc_queuecommand - scsi_host_template queuecommand entry point * @cmnd: Pointer to scsi_cmnd data structure. * @done: Pointer to done routine. * @@ -2450,7 +2453,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) } /** - * lpfc_block_error_handler: Routine to block error handler. + * lpfc_block_error_handler - Routine to block error handler * @cmnd: Pointer to scsi_cmnd data structure. * * This routine blocks execution till fc_rport state is not FC_PORSTAT_BLCOEKD. @@ -2472,8 +2475,7 @@ lpfc_block_error_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_abort_handler: Eh_abort_handler entry point of Scsi Host Template data - *structure. + * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine aborts @cmnd pending in base driver. @@ -2578,8 +2580,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_device_reset_handler: eh_device_reset entry point of Scsi Host Template - *data structure. + * lpfc_device_reset_handler - scsi_host_template eh_device_reset entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine does a device reset by sending a TARGET_RESET task management @@ -2587,7 +2588,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) * * Return code : * 0x2003 - Error - * 0ex2002 - Success + * 0x2002 - Success **/ static int lpfc_device_reset_handler(struct scsi_cmnd *cmnd) @@ -2707,8 +2708,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_bus_reset_handler: eh_bus_reset_handler entry point of Scsi Host - * Template data structure. + * lpfc_bus_reset_handler - scsi_host_template eh_bus_reset_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine does target reset to all target on @cmnd->device->host. @@ -2808,8 +2808,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_slave_alloc: slave_alloc entry point of Scsi Host Template data - * structure. + * lpfc_slave_alloc - scsi_host_template slave_alloc entry point * @sdev: Pointer to scsi_device. * * This routine populates the cmds_per_lun count + 2 scsi_bufs into this host's @@ -2883,8 +2882,7 @@ lpfc_slave_alloc(struct scsi_device *sdev) } /** - * lpfc_slave_configure: slave_configure entry point of Scsi Host Templater data - * structure. + * lpfc_slave_configure - scsi_host_template slave_configure entry point * @sdev: Pointer to scsi_device. * * This routine configures following items @@ -2925,7 +2923,7 @@ lpfc_slave_configure(struct scsi_device *sdev) } /** - * lpfc_slave_destroy: slave_destroy entry point of SHT data structure. + * lpfc_slave_destroy - slave_destroy entry point of SHT data structure * @sdev: Pointer to scsi_device. * * This routine sets @sdev hostatdata filed to null. diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index a36a120561e..eb5c75c45ba 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -68,7 +68,7 @@ typedef enum _lpfc_iocb_type { } lpfc_iocb_type; /** - * lpfc_cmd_iocb: Get next command iocb entry in the ring. + * lpfc_cmd_iocb - Get next command iocb entry in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -85,7 +85,7 @@ lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_resp_iocb: Get next response iocb entry in the ring. + * lpfc_resp_iocb - Get next response iocb entry in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -102,7 +102,7 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * __lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool * @phba: Pointer to HBA context object. * * This function is called with hbalock held. This function @@ -121,7 +121,7 @@ __lpfc_sli_get_iocbq(struct lpfc_hba *phba) } /** - * lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool * @phba: Pointer to HBA context object. * * This function is called with no lock held. This function @@ -142,7 +142,7 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba) } /** - * __lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * __lpfc_sli_release_iocbq - Release iocb to the iocb pool * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -164,7 +164,7 @@ __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * lpfc_sli_release_iocbq - Release iocb to the iocb pool * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -185,8 +185,40 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_iocb_cmd_type: Get the iocb type. - * @iocb_cmnd : iocb command code. + * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. + * @phba: Pointer to HBA context object. + * @iocblist: List of IOCBs. + * @ulpstatus: ULP status in IOCB command field. + * @ulpWord4: ULP word-4 in IOCB command field. + * + * This function is called with a list of IOCBs to cancel. It cancels the IOCB + * on the list by invoking the complete callback function associated with the + * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond + * fields. + **/ +void +lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, + uint32_t ulpstatus, uint32_t ulpWord4) +{ + struct lpfc_iocbq *piocb; + + while (!list_empty(iocblist)) { + list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); + + if (!piocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, piocb); + else { + piocb->iocb.ulpStatus = ulpstatus; + piocb->iocb.un.ulpWord[4] = ulpWord4; + (piocb->iocb_cmpl) (phba, piocb, piocb); + } + } + return; +} + +/** + * lpfc_sli_iocb_cmd_type - Get the iocb type + * @iocb_cmnd: iocb command code. * * This function is called by ring event handler function to get the iocb type. * This function translates the iocb command to an iocb command type used to @@ -295,7 +327,7 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) } /** - * lpfc_sli_ring_map: Issue config_ring mbox for all rings. + * lpfc_sli_ring_map - Issue config_ring mbox for all rings * @phba: Pointer to HBA context object. * * This function is called from SLI initialization code @@ -338,7 +370,7 @@ lpfc_sli_ring_map(struct lpfc_hba *phba) } /** - * lpfc_sli_ringtxcmpl_put: Adds new iocb to the txcmplq. + * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to the driver iocb object. @@ -370,7 +402,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_ringtx_get: Get first element of the txq. + * lpfc_sli_ringtx_get - Get first element of the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -391,7 +423,7 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_iocb_slot: Get next iocb slot in the ring. + * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -445,7 +477,7 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_iotag: Get an iotag for the iocb. + * lpfc_sli_next_iotag - Get an iotag for the iocb * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -520,7 +552,7 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_submit_iocb: Submit an iocb to the firmware. + * lpfc_sli_submit_iocb - Submit an iocb to the firmware * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @iocb: Pointer to iocb slot in the ring. @@ -577,7 +609,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_update_full_ring: Update the chip attention register. + * lpfc_sli_update_full_ring - Update the chip attention register * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -608,7 +640,7 @@ lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_update_ring: Update chip attention register. + * lpfc_sli_update_ring - Update chip attention register * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -632,7 +664,7 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_resume_iocb: Process iocbs in the txq. + * lpfc_sli_resume_iocb - Process iocbs in the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -672,7 +704,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_hbq_slot: Get next hbq entry for the HBQ. + * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @@ -717,7 +749,7 @@ lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) } /** - * lpfc_sli_hbqbuf_free_all: Free all the hbq buffers. + * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers * @phba: Pointer to HBA context object. * * This function is called with no lock held to free all the @@ -771,7 +803,7 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) } /** - * lpfc_sli_hbq_to_firmware: Post the hbq buffer to firmware. + * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @hbq_buf: Pointer to HBQ buffer. @@ -818,8 +850,8 @@ static struct lpfc_hbq_init lpfc_els_hbq = { .profile = 0, .ring_mask = (1 << LPFC_ELS_RING), .buffer_count = 0, - .init_count = 20, - .add_count = 5, + .init_count = 40, + .add_count = 40, }; /* HBQ for the extra ring if needed */ @@ -841,7 +873,7 @@ struct lpfc_hbq_init *lpfc_hbq_defs[] = { }; /** - * lpfc_sli_hbqbuf_fill_hbqs: Post more hbq buffers to HBQ. + * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @count: Number of HBQ buffers to be posted. @@ -901,7 +933,7 @@ err: } /** - * lpfc_sli_hbqbuf_add_hbqs: Post more HBQ buffers to firmware. + * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware * @phba: Pointer to HBA context object. * @qno: HBQ number. * @@ -917,7 +949,7 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) } /** - * lpfc_sli_hbqbuf_init_hbqs: Post initial buffers to the HBQ. + * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ * @phba: Pointer to HBA context object. * @qno: HBQ queue number. * @@ -933,7 +965,7 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) } /** - * lpfc_sli_hbqbuf_find: Find the hbq buffer associated with a tag. + * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag * @phba: Pointer to HBA context object. * @tag: Tag of the hbq buffer. * @@ -966,7 +998,7 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) } /** - * lpfc_sli_free_hbq: Give back the hbq buffer to firmware. + * lpfc_sli_free_hbq - Give back the hbq buffer to firmware * @phba: Pointer to HBA context object. * @hbq_buffer: Pointer to HBQ buffer. * @@ -988,7 +1020,7 @@ lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) } /** - * lpfc_sli_chk_mbx_command: Check if the mailbox is a legitimate mailbox. + * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox * @mbxCommand: mailbox command code. * * This function is called by the mailbox event handler function to verify @@ -1064,8 +1096,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) } /** - * lpfc_sli_wake_mbox_wait: Completion handler for mbox issued from - * lpfc_sli_issue_mbox_wait. + * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler * @phba: Pointer to HBA context object. * @pmboxq: Pointer to mailbox command. * @@ -1096,7 +1127,7 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) /** - * lpfc_sli_def_mbox_cmpl: Default mailbox completion handler. + * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler * @phba: Pointer to HBA context object. * @pmb: Pointer to mailbox object. * @@ -1140,7 +1171,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_sli_handle_mb_event: Handle mailbox completions from firmware. + * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware * @phba: Pointer to HBA context object. * * This function is called with no lock held. This function processes all @@ -1260,7 +1291,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba) } /** - * lpfc_sli_get_buff: Get the buffer associated with the buffer tag. + * lpfc_sli_get_buff - Get the buffer associated with the buffer tag * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @tag: buffer tag. @@ -1288,7 +1319,7 @@ lpfc_sli_get_buff(struct lpfc_hba *phba, /** - * lpfc_sli_process_unsol_iocb: Unsolicited iocb handler. + * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @saveq: Pointer to the unsolicited iocb. @@ -1484,7 +1515,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_iocbq_lookup: Find command iocb for the given response iocb. + * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @prspiocb: Pointer to response iocb object. @@ -1521,7 +1552,7 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, } /** - * lpfc_sli_process_sol_iocb: process solicited iocb completion. + * lpfc_sli_process_sol_iocb - process solicited iocb completion * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @saveq: Pointer to the response iocb to be processed. @@ -1597,7 +1628,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, * Ring <ringno> handler: unexpected completion IoTag * <IoTag> */ - lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI, + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "0322 Ring %d handler: " "unexpected completion IoTag x%x " "Data: x%x x%x x%x x%x\n", @@ -1614,7 +1645,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_rsp_pointers_error: Response ring pointer error handler. + * lpfc_sli_rsp_pointers_error - Response ring pointer error handler * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -1652,7 +1683,7 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_poll_eratt: Error attention polling timer timeout handler. + * lpfc_poll_eratt - Error attention polling timer timeout handler * @ptr: Pointer to address of HBA context object. * * This function is invoked by the Error Attention polling timer when the @@ -1682,7 +1713,7 @@ void lpfc_poll_eratt(unsigned long ptr) } /** - * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode. + * lpfc_sli_poll_fcp_ring - Handle FCP ring completion in polling mode * @phba: Pointer to HBA context object. * * This function is called from lpfc_queuecommand, lpfc_poll_timeout, @@ -1845,7 +1876,7 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) } /** - * lpfc_sli_handle_fast_ring_event: Handle ring events on FCP ring. + * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mask: Host attention register mask for this ring. @@ -2037,7 +2068,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, } /** - * lpfc_sli_handle_slow_ring_event: Handle ring events for non-FCP rings. + * lpfc_sli_handle_slow_ring_event - Handle ring events for non-FCP rings * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mask: Host attention register mask for this ring. @@ -2311,7 +2342,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, } /** - * lpfc_sli_abort_iocb_ring: Abort all iocbs in the ring. + * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -2325,7 +2356,6 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { LIST_HEAD(completions); struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *cmd = NULL; if (pring->ringno == LPFC_ELS_RING) { lpfc_fabric_abort_hba(phba); @@ -2344,23 +2374,13 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** - * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring. + * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring * @phba: Pointer to HBA context object. * * This function flushes all iocbs in the fcp ring and frees all the iocb @@ -2374,8 +2394,6 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) { LIST_HEAD(txq); LIST_HEAD(txcmplq); - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; @@ -2393,38 +2411,16 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); /* Flush the txq */ - while (!list_empty(&txq)) { - iocb = list_get_first(&txq, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); /* Flush the txcmpq */ - while (!list_empty(&txcmplq)) { - iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); } /** - * lpfc_sli_brdready: Check for host status bits. + * lpfc_sli_brdready - Check for host status bits * @phba: Pointer to HBA context object. * @mask: Bit mask to be checked. * @@ -2484,7 +2480,7 @@ lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) #define BARRIER_TEST_PATTERN (0xdeadbeef) /** - * lpfc_reset_barrier: Make HBA ready for HBA reset. + * lpfc_reset_barrier - Make HBA ready for HBA reset * @phba: Pointer to HBA context object. * * This function is called before resetting an HBA. This @@ -2564,7 +2560,7 @@ restore_hc: } /** - * lpfc_sli_brdkill: Issue a kill_board mailbox command. + * lpfc_sli_brdkill - Issue a kill_board mailbox command * @phba: Pointer to HBA context object. * * This function issues a kill_board mailbox command and waits for @@ -2651,7 +2647,7 @@ lpfc_sli_brdkill(struct lpfc_hba *phba) } /** - * lpfc_sli_brdreset: Reset the HBA. + * lpfc_sli_brdreset - Reset the HBA * @phba: Pointer to HBA context object. * * This function resets the HBA by writing HC_INITFF to the control @@ -2714,7 +2710,7 @@ lpfc_sli_brdreset(struct lpfc_hba *phba) } /** - * lpfc_sli_brdrestart: Restart the HBA. + * lpfc_sli_brdrestart - Restart the HBA * @phba: Pointer to HBA context object. * * This function is called in the SLI initialization code path to @@ -2781,7 +2777,7 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba) } /** - * lpfc_sli_chipset_init: Wait for the restart of the HBA after a restart. + * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart * @phba: Pointer to HBA context object. * * This function is called after a HBA restart to wait for successful @@ -2876,7 +2872,7 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba) } /** - * lpfc_sli_hbq_count: Get the number of HBQs to be configured. + * lpfc_sli_hbq_count - Get the number of HBQs to be configured * * This function calculates and returns the number of HBQs required to be * configured. @@ -2888,7 +2884,7 @@ lpfc_sli_hbq_count(void) } /** - * lpfc_sli_hbq_entry_count: Calculate total number of hbq entries. + * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries * * This function adds the number of hbq entries in every HBQ to get * the total number of hbq entries required for the HBA and returns @@ -2907,7 +2903,7 @@ lpfc_sli_hbq_entry_count(void) } /** - * lpfc_sli_hbq_size: Calculate memory required for all hbq entries. + * lpfc_sli_hbq_size - Calculate memory required for all hbq entries * * This function calculates amount of memory required for all hbq entries * to be configured and returns the total memory required. @@ -2919,7 +2915,7 @@ lpfc_sli_hbq_size(void) } /** - * lpfc_sli_hbq_setup: configure and initialize HBQs. + * lpfc_sli_hbq_setup - configure and initialize HBQs * @phba: Pointer to HBA context object. * * This function is called during the SLI initialization to configure @@ -2988,7 +2984,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_config_port: Issue config port mailbox command. + * lpfc_sli_config_port - Issue config port mailbox command * @phba: Pointer to HBA context object. * @sli_mode: sli mode - 2/3 * @@ -3114,7 +3110,7 @@ do_prep_failed: /** - * lpfc_sli_hba_setup: SLI intialization function. + * lpfc_sli_hba_setup - SLI intialization function * @phba: Pointer to HBA context object. * * This function is the main SLI intialization function. This function @@ -3206,7 +3202,7 @@ lpfc_sli_hba_setup_error: /** - * lpfc_mbox_timeout: Timeout call back function for mbox timer. + * lpfc_mbox_timeout - Timeout call back function for mbox timer * @ptr: context object - pointer to hba structure. * * This is the callback function for mailbox timer. The mailbox @@ -3237,7 +3233,7 @@ lpfc_mbox_timeout(unsigned long ptr) /** - * lpfc_mbox_timeout_handler: Worker thread function to handle mailbox timeout. + * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout * @phba: Pointer to HBA context object. * * This function is called from worker thread when a mailbox command times out. @@ -3252,6 +3248,21 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; + /* Check the pmbox pointer first. There is a race condition + * between the mbox timeout handler getting executed in the + * worklist and the mailbox actually completing. When this + * race condition occurs, the mbox_active will be NULL. + */ + spin_lock_irq(&phba->hbalock); + if (pmbox == NULL) { + lpfc_printf_log(phba, KERN_WARNING, + LOG_MBOX | LOG_SLI, + "0353 Active Mailbox cleared - mailbox timeout " + "exiting\n"); + spin_unlock_irq(&phba->hbalock); + return; + } + /* Mbox cmd <mbxCommand> timeout */ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", @@ -3259,6 +3270,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) phba->pport->port_state, phba->sli.sli_flag, phba->sli.mbox_active); + spin_unlock_irq(&phba->hbalock); /* Setting state unknown so lpfc_sli_abort_iocb_ring * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing @@ -3295,7 +3307,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) } /** - * lpfc_sli_issue_mbox: Issue a mailbox command to firmware. + * lpfc_sli_issue_mbox - Issue a mailbox command to firmware * @phba: Pointer to HBA context object. * @pmbox: Pointer to mailbox object. * @flag: Flag indicating how the mailbox need to be processed. @@ -3365,6 +3377,12 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) goto out_not_finished; } + /* If HBA has a deferred error attention, fail the iocb. */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irqrestore(&phba->hbalock, drvr_flag); + goto out_not_finished; + } + psli = &phba->sli; mb = &pmbox->mb; @@ -3632,7 +3650,7 @@ out_not_finished: } /** - * __lpfc_sli_ringtx_put: Add an iocb to the txq. + * __lpfc_sli_ringtx_put - Add an iocb to the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to address of newly added command iocb. @@ -3651,7 +3669,7 @@ __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_next_iocb: Get the next iocb in the txq. + * lpfc_sli_next_iocb - Get the next iocb in the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to address of newly added command iocb. @@ -3683,7 +3701,7 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * __lpfc_sli_issue_iocb: Lockless version of lpfc_sli_issue_iocb. + * __lpfc_sli_issue_iocb - Lockless version of lpfc_sli_issue_iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to command iocb. @@ -3729,6 +3747,10 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (unlikely(pci_channel_offline(phba->pcidev))) return IOCB_ERROR; + /* If HBA has a deferred error attention, fail the iocb. */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) + return IOCB_ERROR; + /* * We should never get an IOCB if we are in a < LINK_DOWN state */ @@ -3813,7 +3835,7 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /** - * lpfc_sli_issue_iocb: Wrapper function for __lpfc_sli_issue_iocb. + * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to command iocb. @@ -3840,7 +3862,7 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_extra_ring_setup: Extra ring setup function. + * lpfc_extra_ring_setup - Extra ring setup function * @phba: Pointer to HBA context object. * * This function is called while driver attaches with the @@ -3886,7 +3908,7 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) } /** - * lpfc_sli_async_event_handler: ASYNC iocb handler function. + * lpfc_sli_async_event_handler - ASYNC iocb handler function * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @iocbq: Pointer to iocb object. @@ -3907,6 +3929,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, uint16_t temp; struct temp_event temp_event_data; struct Scsi_Host *shost; + uint32_t *iocb_w; icmd = &iocbq->iocb; evt_code = icmd->un.asyncstat.evt_code; @@ -3914,13 +3937,23 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, if ((evt_code != ASYNC_TEMP_WARN) && (evt_code != ASYNC_TEMP_SAFE)) { + iocb_w = (uint32_t *) icmd; lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0346 Ring %d handler: unexpected ASYNC_STATUS" - " evt_code 0x%x\n", + " evt_code 0x%x \n" + "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" + "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" + "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" + "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", pring->ringno, - icmd->un.asyncstat.evt_code); + icmd->un.asyncstat.evt_code, + iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], + iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], + iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], + iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); + return; } temp_event_data.data = (uint32_t)temp; @@ -3954,7 +3987,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, /** - * lpfc_sli_setup: SLI ring setup function. + * lpfc_sli_setup - SLI ring setup function * @phba: Pointer to HBA context object. * * lpfc_sli_setup sets up rings of the SLI interface with @@ -4076,7 +4109,7 @@ lpfc_sli_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_queue_setup: Queue initialization function. + * lpfc_sli_queue_setup - Queue initialization function * @phba: Pointer to HBA context object. * * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each @@ -4115,7 +4148,7 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_host_down: Vport cleanup function. + * lpfc_sli_host_down - Vport cleanup function * @vport: Pointer to virtual port object. * * lpfc_sli_host_down is called to clean up the resources @@ -4179,22 +4212,14 @@ lpfc_sli_host_down(struct lpfc_vport *vport) spin_unlock_irqrestore(&phba->hbalock, flags); - while (!list_empty(&completions)) { - list_remove_head(&completions, iocb, struct lpfc_iocbq, list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; - iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); return 1; } /** - * lpfc_sli_hba_down: Resource cleanup function for the HBA. + * lpfc_sli_hba_down - Resource cleanup function for the HBA * @phba: Pointer to HBA context object. * * This function cleans up all iocb, buffers, mailbox commands @@ -4216,8 +4241,6 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) struct lpfc_sli_ring *pring; struct lpfc_dmabuf *buf_ptr; LPFC_MBOXQ_t *pmb; - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; int i; unsigned long flags = 0; @@ -4245,18 +4268,9 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) } spin_unlock_irqrestore(&phba->hbalock, flags); - while (!list_empty(&completions)) { - list_remove_head(&completions, iocb, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); spin_lock_irqsave(&phba->hbalock, flags); list_splice_init(&phba->elsbuf, &completions); @@ -4299,7 +4313,7 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) } /** - * lpfc_sli_pcimem_bcopy: SLI memory copy function. + * lpfc_sli_pcimem_bcopy - SLI memory copy function * @srcp: Source memory pointer. * @destp: Destination memory pointer. * @cnt: Number of words required to be copied. @@ -4329,7 +4343,7 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) /** - * lpfc_sli_ringpostbuf_put: Function to add a buffer to postbufq. + * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mp: Pointer to driver buffer object. @@ -4352,8 +4366,7 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_get_buffer_tag: Tag allocation function for a buffer posted - * using CMD_QUE_XRI64_CX iocb. + * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer * @phba: Pointer to HBA context object. * * When HBQ is enabled, buffers are searched based on tags. This function @@ -4378,8 +4391,7 @@ lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) } /** - * lpfc_sli_ring_taggedbuf_get: Search HBQ buffer associated with - * posted using CMD_QUE_XRI64_CX iocb. + * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @tag: Buffer tag. @@ -4422,8 +4434,7 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_ringpostbuf_get: SLI2 buffer search function for - * unsolicited ct and els events. + * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @phys: DMA address of the buffer. @@ -4466,7 +4477,7 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_abort_els_cmpl: Completion handler for the els abort iocbs. + * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs * @phba: Pointer to HBA context object. * @cmdiocb: Pointer to driver command iocb object. * @rspiocb: Pointer to driver response iocb object. @@ -4542,7 +4553,7 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_ignore_els_cmpl: Completion handler for aborted ELS command. + * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command * @phba: Pointer to HBA context object. * @cmdiocb: Pointer to driver command iocb object. * @rspiocb: Pointer to driver response iocb object. @@ -4572,7 +4583,7 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_sli_issue_abort_iotag: Abort function for a command iocb. + * lpfc_sli_issue_abort_iotag - Abort function for a command iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @cmdiocb: Pointer to driver command iocb object. @@ -4658,15 +4669,14 @@ abort_iotag_exit: } /** - * lpfc_sli_validate_fcp_iocb: Filtering function, used to find commands - * associated with a vport/SCSI target/lun. + * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN * @iocbq: Pointer to driver iocb object. * @vport: Pointer to driver virtual port object. * @tgt_id: SCSI ID of the target. * @lun_id: LUN ID of the scsi device. * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST * - * This function acts as iocb filter for functions which abort or count + * This function acts as an iocb filter for functions which abort or count * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return * 0 if the filtering criteria is met for the given iocb and will return * 1 if the filtering criteria is not met. @@ -4724,7 +4734,7 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, } /** - * lpfc_sli_sum_iocb: Function to count the number of FCP iocbs pending. + * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending * @vport: Pointer to virtual port. * @tgt_id: SCSI ID of the target. * @lun_id: LUN ID of the scsi device. @@ -4762,8 +4772,7 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, } /** - * lpfc_sli_abort_fcp_cmpl: Completion handler function for an aborted - * FCP iocb. + * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs * @phba: Pointer to HBA context object * @cmdiocb: Pointer to command iocb object. * @rspiocb: Pointer to response iocb object. @@ -4781,8 +4790,7 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_sli_abort_iocb: This function issue abort for all SCSI commands - * pending on a SCSI host(vport)/target/lun. + * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN * @vport: Pointer to virtual port. * @pring: Pointer to driver SLI ring object. * @tgt_id: SCSI ID of the target. @@ -4854,8 +4862,7 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_wake_iocb_wait: iocb completion handler for iocb issued using - * lpfc_sli_issue_iocb_wait. + * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler * @phba: Pointer to HBA context object. * @cmdiocbq: Pointer to command iocb. * @rspiocbq: Pointer to response iocb. @@ -4893,7 +4900,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, } /** - * lpfc_sli_issue_iocb_wait: Synchronous function to issue iocb commands. + * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands * @phba: Pointer to HBA context object.. * @pring: Pointer to sli ring. * @piocb: Pointer to command iocb. @@ -5000,7 +5007,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, } /** - * lpfc_sli_issue_mbox_wait: Synchronous function to issue mailbox. + * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox * @phba: Pointer to HBA context object. * @pmboxq: Pointer to driver mailbox object. * @timeout: Timeout in number of seconds. @@ -5070,7 +5077,7 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, } /** - * lpfc_sli_flush_mbox_queue: mailbox queue cleanup function. + * lpfc_sli_flush_mbox_queue - mailbox queue cleanup function * @phba: Pointer to HBA context. * * This function is called to cleanup any pending mailbox @@ -5113,7 +5120,7 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) } /** - * lpfc_sli_check_eratt: check error attention events + * lpfc_sli_check_eratt - check error attention events * @phba: Pointer to HBA context. * * This function is called form timer soft interrupt context to check HBA's @@ -5145,11 +5152,31 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba) return 0; } + /* + * If there is deferred error attention, do not check for error + * attention + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return 0; + } + /* Read chip Host Attention (HA) register */ ha_copy = readl(phba->HAregaddr); if (ha_copy & HA_ERATT) { /* Read host status register to retrieve error event */ lpfc_sli_read_hs(phba); + + /* Check if there is a deferred error condition is active */ + if ((HS_FFER1 & phba->work_hs) && + ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | + HS_FFER6 | HS_FFER7) & phba->work_hs)) { + phba->hba_flag |= DEFER_ERATT; + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); + } + /* Set the driver HA work bitmap */ phba->work_ha |= HA_ERATT; /* Indicate polling handles this ERATT */ @@ -5162,7 +5189,7 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba) } /** - * lpfc_sp_intr_handler: The slow-path interrupt handler of lpfc driver. + * lpfc_sp_intr_handler - The slow-path interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5238,6 +5265,16 @@ lpfc_sp_intr_handler(int irq, void *dev_id) /* Indicate interrupt handler handles ERATT */ phba->hba_flag |= HBA_ERATT_HANDLED; } + + /* + * If there is deferred error attention, do not check for any + * interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } + /* Clear up only attention source related to slow-path */ writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), phba->HAregaddr); @@ -5309,8 +5346,22 @@ lpfc_sp_intr_handler(int irq, void *dev_id) } } spin_lock_irqsave(&phba->hbalock, iflag); - if (work_ha_copy & HA_ERATT) + if (work_ha_copy & HA_ERATT) { lpfc_sli_read_hs(phba); + /* + * Check if there is a deferred error condition + * is active + */ + if ((HS_FFER1 & phba->work_hs) && + ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | + HS_FFER6 | HS_FFER7) & phba->work_hs)) { + phba->hba_flag |= DEFER_ERATT; + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); + } + } + if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { pmb = phba->sli.mbox_active; pmbox = &pmb->mb; @@ -5423,7 +5474,7 @@ send_current_mbox: } /* lpfc_sp_intr_handler */ /** - * lpfc_fp_intr_handler: The fast-path interrupt handler of lpfc driver. + * lpfc_fp_intr_handler - The fast-path interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5474,6 +5525,14 @@ lpfc_fp_intr_handler(int irq, void *dev_id) ha_copy = readl(phba->HAregaddr); /* Clear up only attention source related to fast-path */ spin_lock_irqsave(&phba->hbalock, iflag); + /* + * If there is deferred error attention, do not check for + * any interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), phba->HAregaddr); readl(phba->HAregaddr); /* flush */ @@ -5510,7 +5569,7 @@ lpfc_fp_intr_handler(int irq, void *dev_id) } /* lpfc_fp_intr_handler */ /** - * lpfc_intr_handler: The device-level interrupt handler of lpfc driver. + * lpfc_intr_handler - The device-level interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5566,6 +5625,14 @@ lpfc_intr_handler(int irq, void *dev_id) phba->hba_flag |= HBA_ERATT_HANDLED; } + /* + * If there is deferred error attention, do not check for any interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } + /* Clear attention sources except link and error attentions */ writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); readl(phba->HAregaddr); /* flush */ diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 7e32e95c539..e599519e307 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2008 Emulex. All rights reserved. * + * Copyright (C) 2004-2009 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.3.0" +#define LPFC_DRIVER_VERSION "8.3.1" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" @@ -26,4 +26,4 @@ #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ LPFC_DRIVER_VERSION -#define LPFC_COPYRIGHT "Copyright(c) 2004-2008 Emulex. All rights reserved." +#define LPFC_COPYRIGHT "Copyright(c) 2004-2009 Emulex. All rights reserved." diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 63b54c66756..917ad56b0af 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -206,7 +206,7 @@ lpfc_unique_wwpn(struct lpfc_hba *phba, struct lpfc_vport *new_vport) } /** - * lpfc_discovery_wait: Wait for driver discovery to quiesce. + * lpfc_discovery_wait - Wait for driver discovery to quiesce * @vport: The virtual port for which this call is being executed. * * This driver calls this routine specifically from lpfc_vport_delete @@ -741,7 +741,7 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports) /** - * lpfc_vport_reset_stat_data: Reset the statistical data for the vport. + * lpfc_vport_reset_stat_data - Reset the statistical data for the vport * @vport: Pointer to vport object. * * This function resets the statistical data for the vport. This function @@ -763,8 +763,7 @@ lpfc_vport_reset_stat_data(struct lpfc_vport *vport) /** - * lpfc_alloc_bucket: Allocate data buffer required for collecting - * statistical data. + * lpfc_alloc_bucket - Allocate data buffer required for statistical data * @vport: Pointer to vport object. * * This function allocates data buffer required for all the FC @@ -797,8 +796,7 @@ lpfc_alloc_bucket(struct lpfc_vport *vport) } /** - * lpfc_free_bucket: Free data buffer required for collecting - * statistical data. + * lpfc_free_bucket - Free data buffer required for statistical data * @vport: Pointer to vport object. * * Th function frees statistical data buffer of all the FC diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index a91f5143cea..f3da592f7bc 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -636,6 +636,14 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) static irqreturn_t _base_interrupt(int irq, void *bus_id) { + union reply_descriptor { + u64 word; + struct { + u32 low; + u32 high; + } u; + }; + union reply_descriptor rd; u32 post_index, post_index_next, completed_cmds; u8 request_desript_type; u16 smid; @@ -656,7 +664,8 @@ _base_interrupt(int irq, void *bus_id) completed_cmds = 0; do { - if (ioc->reply_post_free[post_index].Words == ~0ULL) + rd.word = ioc->reply_post_free[post_index].Words; + if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) goto out; reply = 0; cb_idx = 0xFF; @@ -721,7 +730,7 @@ _base_interrupt(int irq, void *bus_id) for (i = 0 ; i < completed_cmds; i++) { post_index = post_index_next; /* poison the reply post descriptor */ - ioc->reply_post_free[post_index_next].Words = ~0ULL; + ioc->reply_post_free[post_index_next].Words = ULLONG_MAX; post_index_next = (post_index == (ioc->reply_post_queue_depth - 1)) ? 0 : post_index + 1; @@ -1387,6 +1396,64 @@ mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, } /** + * _base_display_dell_branding - Disply branding string + * @ioc: per adapter object + * + * Return nothing. + */ +static void +_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) +{ + char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; + + if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) + return; + + memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_6GBPS_SAS_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + default: + sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); + break; + } + + printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," + " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, + ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, + ioc->pdev->subsystem_device); +} + +/** * _base_display_ioc_capabilities - Disply IOC's capabilities. * @ioc: per adapter object * @@ -1427,6 +1494,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) i++; } + _base_display_dell_branding(ioc); + i = 0; printk("), "); printk("Capabilities=("); @@ -3068,7 +3137,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, /* initialize Reply Post Free Queue */ for (i = 0; i < ioc->reply_post_queue_depth; i++) - ioc->reply_post_free[i].Words = ~0ULL; + ioc->reply_post_free[i].Words = ULLONG_MAX; r = _base_send_ioc_init(ioc, VF_ID, sleep_flag); if (r) diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h index 6945ff4d382..36b1d1052ba 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.h +++ b/drivers/scsi/mpt2sas/mpt2sas_base.h @@ -68,11 +68,11 @@ #define MPT2SAS_DRIVER_NAME "mpt2sas" #define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>" #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" -#define MPT2SAS_DRIVER_VERSION "00.100.11.16" -#define MPT2SAS_MAJOR_VERSION 00 +#define MPT2SAS_DRIVER_VERSION "01.100.02.00" +#define MPT2SAS_MAJOR_VERSION 01 #define MPT2SAS_MINOR_VERSION 100 -#define MPT2SAS_BUILD_VERSION 11 -#define MPT2SAS_RELEASE_VERSION 16 +#define MPT2SAS_BUILD_VERSION 02 +#define MPT2SAS_RELEASE_VERSION 00 /* * Set MPT2SAS_SG_DEPTH value based on user input. @@ -130,6 +130,30 @@ #define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT /* + * Dell HBA branding + */ +#define MPT2SAS_DELL_BRANDING_SIZE 32 + +#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA" +#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter" +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated" +#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular" +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded" +#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200" +#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS" + +/* + * Dell HBA SSDIDs + */ +#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C +#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E +#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20 +#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21 +#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22 + +/* * per target private data */ #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01 diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 2d4f85c9d7a..ba6ab170bdf 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -64,6 +64,9 @@ static struct fasync_struct *async_queue; static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); +static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, + u8 *issue_reset); + /** * enum block_state - blocking state * @NON_BLOCKING: non blocking @@ -378,10 +381,22 @@ _ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp) void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) { + int i; + u8 issue_reset; + switch (reset_phase) { case MPT2_IOC_PRE_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_RELEASED)) + continue; + _ctl_send_release(ioc, i, &issue_reset); + } break; case MPT2_IOC_AFTER_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " @@ -395,6 +410,17 @@ mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) case MPT2_IOC_DONE_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); + + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_RELEASED)) + continue; + ioc->diag_buffer_status[i] |= + MPT2_DIAG_BUFFER_IS_DIAG_RESET; + } break; } } @@ -714,8 +740,10 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { - if (_ctl_do_task_abort(ioc, &karg, tm_request)) + if (_ctl_do_task_abort(ioc, &karg, tm_request)) { + mpt2sas_base_free_smid(ioc, smid); goto out; + } } mutex_lock(&ioc->tm_cmds.mutex); @@ -915,9 +943,9 @@ _ctl_getiocinfo(void __user *arg) karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); karg.firmware_version = ioc->facts.FWVersion.Word; - strncpy(karg.driver_version, MPT2SAS_DRIVER_VERSION, - MPT2_IOCTL_VERSION_LENGTH); - karg.driver_version[MPT2_IOCTL_VERSION_LENGTH - 1] = '\0'; + strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME); + strcat(karg.driver_version, "-"); + strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); if (copy_to_user(arg, &karg, sizeof(karg))) { @@ -1551,81 +1579,38 @@ _ctl_diag_query(void __user *arg) } /** - * _ctl_diag_release - request to send Diag Release Message to firmware - * @arg - user space buffer containing ioctl content - * @state - NON_BLOCKING or BLOCKING + * _ctl_send_release - Diag Release Message + * @ioc: per adapter object + * @buffer_type - specifies either TRACE or SNAPSHOT + * @issue_reset - specifies whether host reset is required. * - * This allows ownership of the specified buffer to returned to the driver, - * allowing an application to read the buffer without fear that firmware is - * overwritting information in the buffer. */ -static long -_ctl_diag_release(void __user *arg, enum block_state state) +static int +_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) { - struct mpt2_diag_release karg; - struct MPT2SAS_ADAPTER *ioc; - void *request_data; - int rc; Mpi2DiagReleaseRequest_t *mpi_request; Mpi2DiagReleaseReply_t *mpi_reply; - u8 buffer_type; - unsigned long timeleft; u16 smid; u16 ioc_status; - u8 issue_reset = 0; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) - return -ENODEV; + u32 ioc_state; + int rc; + unsigned long timeleft; dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, __func__)); - buffer_type = karg.unique_id & 0x000000ff; - if (!_ctl_diag_capability(ioc, buffer_type)) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -EPERM; - } - - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " - "registered\n", ioc->name, __func__, buffer_type); - return -EINVAL; - } - - if (karg.unique_id != ioc->unique_id[buffer_type]) { - printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " - "registered\n", ioc->name, __func__, karg.unique_id); - return -EINVAL; - } - - if (ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_RELEASED) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " - "is already released\n", ioc->name, __func__, - buffer_type); - return 0; - } - - request_data = ioc->diag_buffer[buffer_type]; + rc = 0; + *issue_reset = 0; - if (!request_data) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -ENOMEM; + ioc_state = mpt2sas_base_get_iocstate(ioc, 1); + if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { + dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " + "skipping due to FAULT state\n", ioc->name, + __func__)); + rc = -EAGAIN; + goto out; } - if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) - return -EAGAIN; - else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) - return -ERESTARTSYS; - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", ioc->name, __func__); @@ -1641,7 +1626,6 @@ _ctl_diag_release(void __user *arg, enum block_state state) goto out; } - rc = 0; ioc->ctl_cmds.status = MPT2_CMD_PENDING; memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); @@ -1660,8 +1644,9 @@ _ctl_diag_release(void __user *arg, enum block_state state) _debug_dump_mf(mpi_request, sizeof(Mpi2DiagReleaseRequest_t)/4); if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; + *issue_reset = 1; + rc = -EFAULT; + goto out; } /* process the completed Reply Message Frame */ @@ -1687,14 +1672,101 @@ _ctl_diag_release(void __user *arg, enum block_state state) rc = -EFAULT; } - issue_host_reset: + out: + ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; + return rc; +} + +/** + * _ctl_diag_release - request to send Diag Release Message to firmware + * @arg - user space buffer containing ioctl content + * @state - NON_BLOCKING or BLOCKING + * + * This allows ownership of the specified buffer to returned to the driver, + * allowing an application to read the buffer without fear that firmware is + * overwritting information in the buffer. + */ +static long +_ctl_diag_release(void __user *arg, enum block_state state) +{ + struct mpt2_diag_release karg; + struct MPT2SAS_ADAPTER *ioc; + void *request_data; + int rc; + u8 buffer_type; + u8 issue_reset = 0; + + if (copy_from_user(&karg, arg, sizeof(karg))) { + printk(KERN_ERR "failure at %s:%d/%s()!\n", + __FILE__, __LINE__, __func__); + return -EFAULT; + } + if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) + return -ENODEV; + + dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, + __func__)); + + buffer_type = karg.unique_id & 0x000000ff; + if (!_ctl_diag_capability(ioc, buffer_type)) { + printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " + "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); + return -EPERM; + } + + if ((ioc->diag_buffer_status[buffer_type] & + MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { + printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " + "registered\n", ioc->name, __func__, buffer_type); + return -EINVAL; + } + + if (karg.unique_id != ioc->unique_id[buffer_type]) { + printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " + "registered\n", ioc->name, __func__, karg.unique_id); + return -EINVAL; + } + + if (ioc->diag_buffer_status[buffer_type] & + MPT2_DIAG_BUFFER_IS_RELEASED) { + printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " + "is already released\n", ioc->name, __func__, + buffer_type); + return 0; + } + + request_data = ioc->diag_buffer[buffer_type]; + + if (!request_data) { + printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " + "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); + return -ENOMEM; + } + + /* buffers were released by due to host reset */ + if ((ioc->diag_buffer_status[buffer_type] & + MPT2_DIAG_BUFFER_IS_DIAG_RESET)) { + ioc->diag_buffer_status[buffer_type] |= + MPT2_DIAG_BUFFER_IS_RELEASED; + ioc->diag_buffer_status[buffer_type] &= + ~MPT2_DIAG_BUFFER_IS_DIAG_RESET; + printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " + "was released due to host reset\n", ioc->name, __func__, + buffer_type); + return 0; + } + + if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) + return -EAGAIN; + else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) + return -ERESTARTSYS; + + rc = _ctl_send_release(ioc, buffer_type, &issue_reset); + if (issue_reset) mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); - out: - - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; mutex_unlock(&ioc->ctl_cmds.mutex); return rc; } diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h index dbb6c0cf888..4da11435533 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.h @@ -50,7 +50,7 @@ #endif #define MPT2SAS_DEV_NAME "mpt2ctl" -#define MPT2_MAGIC_NUMBER 'm' +#define MPT2_MAGIC_NUMBER 'L' #define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */ /** @@ -295,8 +295,9 @@ struct mpt2_ioctl_btdh_mapping { /* status bits for ioc->diag_buffer_status */ -#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01) -#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02) +#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01) +#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02) +#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04) /* application flags for mpt2_diag_register, mpt2_diag_query */ #define MPT2_APP_FLAGS_APP_OWNED (0x0001) diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 0c463c483c0..e3a7967259e 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -119,7 +119,7 @@ struct sense_info { */ struct fw_event_work { struct list_head list; - struct delayed_work work; + struct work_struct work; struct MPT2SAS_ADAPTER *ioc; u8 VF_ID; u8 host_reset_handling; @@ -516,12 +516,8 @@ _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, handle = sas_device->handle; parent_handle = sas_device->parent_handle; sas_address = sas_device->sas_address; - if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) { + if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - mpt2sas_transport_port_remove(ioc, sas_address, parent_handle); - _scsih_sas_device_remove(ioc, sas_device); - } } /** @@ -1203,7 +1199,9 @@ scsih_target_destroy(struct scsi_target *starget) rphy = dev_to_rphy(starget->dev.parent); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, rphy->identify.sas_address); - if (sas_device) + if (sas_device && (sas_device->starget == starget) && + (sas_device->id == starget->id) && + (sas_device->channel == starget->channel)) sas_device->starget = NULL; spin_unlock_irqrestore(&ioc->sas_device_lock, flags); @@ -2009,8 +2007,8 @@ _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) spin_lock_irqsave(&ioc->fw_event_lock, flags); list_add_tail(&fw_event->list, &ioc->fw_event_list); - INIT_DELAYED_WORK(&fw_event->work, _firmware_event_work); - queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, 1); + INIT_WORK(&fw_event->work, _firmware_event_work); + queue_work(ioc->firmware_event_thread, &fw_event->work); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -2054,7 +2052,7 @@ _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work return; spin_lock_irqsave(&ioc->fw_event_lock, flags); - queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, delay); + queue_work(ioc->firmware_event_thread, &fw_event->work); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -2863,8 +2861,9 @@ scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply) struct sense_info data; const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, smid); - memcpy(scmd->sense_buffer, sense_data, + u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, le32_to_cpu(mpi_reply->SenseCount)); + memcpy(scmd->sense_buffer, sense_data, sz); _scsih_normalize_sense(scmd->sense_buffer, &data); /* failure prediction threshold exceeded */ if (data.asc == 0x5D) @@ -3923,7 +3922,7 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, mpt2sas_scsih_issue_tm(ioc, handle, lun, MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30); - termination_count += le32_to_cpu(mpi_reply->TerminationCount); + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; if ((mpi_reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) && (mpi_reply->ResponseCode == @@ -3933,10 +3932,10 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, continue; mpt2sas_scsih_issue_tm(ioc, handle, lun, - MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, smid, 30); + MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30); + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; termination_count += le32_to_cpu(mpi_reply->TerminationCount); } - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; ioc->broadcast_aen_busy = 0; mutex_unlock(&ioc->tm_cmds.mutex); @@ -4962,7 +4961,7 @@ static void _firmware_event_work(struct work_struct *work) { struct fw_event_work *fw_event = container_of(work, - struct fw_event_work, work.work); + struct fw_event_work, work); unsigned long flags; struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 2a5f0777148..1ce6b24abab 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -205,6 +205,74 @@ static unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len) osdv2_attr_list_elem_size(len); } +static void _osd_req_alist_elem_encode(struct osd_request *or, + void *attr_last, const struct osd_attr *oa) +{ + if (osd_req_is_ver1(or)) { + struct osdv1_attributes_list_element *attr = attr_last; + + attr->attr_page = cpu_to_be32(oa->attr_page); + attr->attr_id = cpu_to_be32(oa->attr_id); + attr->attr_bytes = cpu_to_be16(oa->len); + memcpy(attr->attr_val, oa->val_ptr, oa->len); + } else { + struct osdv2_attributes_list_element *attr = attr_last; + + attr->attr_page = cpu_to_be32(oa->attr_page); + attr->attr_id = cpu_to_be32(oa->attr_id); + attr->attr_bytes = cpu_to_be16(oa->len); + memcpy(attr->attr_val, oa->val_ptr, oa->len); + } +} + +static int _osd_req_alist_elem_decode(struct osd_request *or, + void *cur_p, struct osd_attr *oa, unsigned max_bytes) +{ + unsigned inc; + if (osd_req_is_ver1(or)) { + struct osdv1_attributes_list_element *attr = cur_p; + + if (max_bytes < sizeof(*attr)) + return -1; + + oa->len = be16_to_cpu(attr->attr_bytes); + inc = _osd_req_alist_elem_size(or, oa->len); + if (inc > max_bytes) + return -1; + + oa->attr_page = be32_to_cpu(attr->attr_page); + oa->attr_id = be32_to_cpu(attr->attr_id); + + /* OSD1: On empty attributes we return a pointer to 2 bytes + * of zeros. This keeps similar behaviour with OSD2. + * (See below) + */ + oa->val_ptr = likely(oa->len) ? attr->attr_val : + (u8 *)&attr->attr_bytes; + } else { + struct osdv2_attributes_list_element *attr = cur_p; + + if (max_bytes < sizeof(*attr)) + return -1; + + oa->len = be16_to_cpu(attr->attr_bytes); + inc = _osd_req_alist_elem_size(or, oa->len); + if (inc > max_bytes) + return -1; + + oa->attr_page = be32_to_cpu(attr->attr_page); + oa->attr_id = be32_to_cpu(attr->attr_id); + + /* OSD2: For convenience, on empty attributes, we return 8 bytes + * of zeros here. This keeps the same behaviour with OSD2r04, + * and is nice with null terminating ASCII fields. + * oa->val_ptr == NULL marks the end-of-list, or error. + */ + oa->val_ptr = likely(oa->len) ? attr->attr_val : attr->reserved; + } + return inc; +} + static unsigned _osd_req_alist_size(struct osd_request *or, void *list_head) { return osd_req_is_ver1(or) ? @@ -282,9 +350,9 @@ _osd_req_sec_params(struct osd_request *or) struct osd_cdb *ocdb = &or->cdb; if (osd_req_is_ver1(or)) - return &ocdb->v1.sec_params; + return (struct osd_security_parameters *)&ocdb->v1.sec_params; else - return &ocdb->v2.sec_params; + return (struct osd_security_parameters *)&ocdb->v2.sec_params; } void osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device) @@ -612,9 +680,9 @@ static int _osd_req_list_objects(struct osd_request *or, WARN_ON(or->in.bio); bio = bio_map_kern(q, list, len, or->alloc_flags); - if (!bio) { + if (IS_ERR(bio)) { OSD_ERR("!!! Failed to allocate list_objects BIO\n"); - return -ENOMEM; + return PTR_ERR(bio); } bio->bi_rw &= ~(1 << BIO_RW); @@ -798,7 +866,6 @@ int osd_req_add_set_attr_list(struct osd_request *or, attr_last = or->set_attr.buff + total_bytes; for (; nelem; --nelem) { - struct osd_attributes_list_element *attr; unsigned elem_size = _osd_req_alist_elem_size(or, oa->len); total_bytes += elem_size; @@ -811,11 +878,7 @@ int osd_req_add_set_attr_list(struct osd_request *or, or->set_attr.buff + or->set_attr.total_bytes; } - attr = attr_last; - attr->attr_page = cpu_to_be32(oa->attr_page); - attr->attr_id = cpu_to_be32(oa->attr_id); - attr->attr_bytes = cpu_to_be16(oa->len); - memcpy(attr->attr_val, oa->val_ptr, oa->len); + _osd_req_alist_elem_encode(or, attr_last, oa); attr_last += elem_size; ++oa; @@ -1070,15 +1133,10 @@ int osd_req_decode_get_attr_list(struct osd_request *or, } for (n = 0; (n < *nelem) && (cur_bytes < returned_bytes); ++n) { - struct osd_attributes_list_element *attr = cur_p; - unsigned inc; + int inc = _osd_req_alist_elem_decode(or, cur_p, oa, + returned_bytes - cur_bytes); - oa->len = be16_to_cpu(attr->attr_bytes); - inc = _osd_req_alist_elem_size(or, oa->len); - OSD_DEBUG("oa->len=%d inc=%d cur_bytes=%d\n", - oa->len, inc, cur_bytes); - cur_bytes += inc; - if (cur_bytes > returned_bytes) { + if (inc < 0) { OSD_ERR("BAD FOOD from target. list not valid!" "c=%d r=%d n=%d\n", cur_bytes, returned_bytes, n); @@ -1086,10 +1144,7 @@ int osd_req_decode_get_attr_list(struct osd_request *or, break; } - oa->attr_page = be32_to_cpu(attr->attr_page); - oa->attr_id = be32_to_cpu(attr->attr_id); - oa->val_ptr = attr->attr_val; - + cur_bytes += inc; cur_p += inc; ++oa; } @@ -1159,6 +1214,24 @@ static int _osd_req_finalize_attr_page(struct osd_request *or) return ret; } +static inline void osd_sec_parms_set_out_offset(bool is_v1, + struct osd_security_parameters *sec_parms, osd_cdb_offset offset) +{ + if (is_v1) + sec_parms->v1.data_out_integrity_check_offset = offset; + else + sec_parms->v2.data_out_integrity_check_offset = offset; +} + +static inline void osd_sec_parms_set_in_offset(bool is_v1, + struct osd_security_parameters *sec_parms, osd_cdb_offset offset) +{ + if (is_v1) + sec_parms->v1.data_in_integrity_check_offset = offset; + else + sec_parms->v2.data_in_integrity_check_offset = offset; +} + static int _osd_req_finalize_data_integrity(struct osd_request *or, bool has_in, bool has_out, const u8 *cap_key) { @@ -1182,8 +1255,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or, or->out_data_integ.get_attributes_bytes = cpu_to_be64( or->enc_get_attr.total_bytes); - sec_parms->data_out_integrity_check_offset = - osd_req_encode_offset(or, or->out.total_bytes, &pad); + osd_sec_parms_set_out_offset(osd_req_is_ver1(or), sec_parms, + osd_req_encode_offset(or, or->out.total_bytes, &pad)); ret = _req_append_segment(or, pad, &seg, or->out.last_seg, &or->out); @@ -1203,8 +1276,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or, }; unsigned pad; - sec_parms->data_in_integrity_check_offset = - osd_req_encode_offset(or, or->in.total_bytes, &pad); + osd_sec_parms_set_in_offset(osd_req_is_ver1(or), sec_parms, + osd_req_encode_offset(or, or->in.total_bytes, &pad)); ret = _req_append_segment(or, pad, &seg, or->in.last_seg, &or->in); diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c index f644c9571ea..22b59e13ba8 100644 --- a/drivers/scsi/osd/osd_uld.c +++ b/drivers/scsi/osd/osd_uld.c @@ -173,26 +173,26 @@ static const struct file_operations osd_fops = { .unlocked_ioctl = osd_uld_ioctl, }; -struct osd_dev *osduld_path_lookup(const char *path) +struct osd_dev *osduld_path_lookup(const char *name) { - struct nameidata nd; + struct path path; struct inode *inode; struct cdev *cdev; struct osd_uld_device *uninitialized_var(oud); int error; - if (!path || !*path) { + if (!name || !*name) { OSD_ERR("Mount with !path || !*path\n"); return ERR_PTR(-EINVAL); } - error = path_lookup(path, LOOKUP_FOLLOW, &nd); + error = kern_path(name, LOOKUP_FOLLOW, &path); if (error) { - OSD_ERR("path_lookup of %s faild=>%d\n", path, error); + OSD_ERR("path_lookup of %s failed=>%d\n", name, error); return ERR_PTR(error); } - inode = nd.path.dentry->d_inode; + inode = path.dentry->d_inode; error = -EINVAL; /* Not the right device e.g osd_uld_device */ if (!S_ISCHR(inode->i_mode)) { OSD_DEBUG("!S_ISCHR()\n"); @@ -202,15 +202,15 @@ struct osd_dev *osduld_path_lookup(const char *path) cdev = inode->i_cdev; if (!cdev) { OSD_ERR("Before mounting an OSD Based filesystem\n"); - OSD_ERR(" user-mode must open+close the %s device\n", path); - OSD_ERR(" Example: bash: echo < %s\n", path); + OSD_ERR(" user-mode must open+close the %s device\n", name); + OSD_ERR(" Example: bash: echo < %s\n", name); goto out; } /* The Magic wand. Is it our char-dev */ /* TODO: Support sg devices */ if (cdev->owner != THIS_MODULE) { - OSD_ERR("Error mounting %s - is not an OSD device\n", path); + OSD_ERR("Error mounting %s - is not an OSD device\n", name); goto out; } @@ -220,7 +220,7 @@ struct osd_dev *osduld_path_lookup(const char *path) error = 0; out: - path_put(&nd.path); + path_put(&path); return error ? ERR_PTR(error) : &oud->od; } EXPORT_SYMBOL(osduld_path_lookup); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index d1cb64ad1a3..bb218c8b6e9 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1291,10 +1291,8 @@ static inline int scsi_target_queue_ready(struct Scsi_Host *shost, if (--starget->target_blocked == 0) { SCSI_LOG_MLQUEUE(3, starget_printk(KERN_INFO, starget, "unblocking target at zero depth\n")); - } else { - blk_plug_device(sdev->request_queue); + } else return 0; - } } if (scsi_target_is_busy(starget)) { diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index a14d245a66b..e2b50d8f57a 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -180,8 +180,6 @@ int scsi_complete_async_scans(void) spin_unlock(&async_scan_lock); kfree(data); - /* Synchronize async operations globally */ - async_synchronize_full(); return 0; } @@ -427,6 +425,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent, INIT_LIST_HEAD(&starget->devices); starget->state = STARGET_CREATED; starget->scsi_level = SCSI_2; + starget->max_target_blocked = SCSI_DEFAULT_TARGET_BLOCKED; retry: spin_lock_irqsave(shost->host_lock, flags); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 09479545529..0a2ce7b6325 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -357,7 +357,7 @@ int iscsi_session_chkready(struct iscsi_cls_session *session) err = 0; break; case ISCSI_SESSION_FAILED: - err = DID_TRANSPORT_DISRUPTED << 16; + err = DID_IMM_RETRY << 16; break; case ISCSI_SESSION_FREE: err = DID_TRANSPORT_FAILFAST << 16; diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c index 2f21af21269..74708fcaf82 100644 --- a/drivers/scsi/scsi_wait_scan.c +++ b/drivers/scsi/scsi_wait_scan.c @@ -11,10 +11,21 @@ */ #include <linux/module.h> +#include <linux/device.h> #include <scsi/scsi_scan.h> static int __init wait_scan_init(void) { + /* + * First we need to wait for device probing to finish; + * the drivers we just loaded might just still be probing + * and might not yet have reached the scsi async scanning + */ + wait_for_device_probe(); + /* + * and then we wait for the actual asynchronous scsi scan + * to finish. + */ scsi_complete_async_scans(); return 0; } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3fcb64b91c4..84044233b63 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -50,6 +50,7 @@ #include <linux/string_helpers.h> #include <linux/async.h> #include <asm/uaccess.h> +#include <asm/unaligned.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -1344,12 +1345,8 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, return -EINVAL; } - sector_size = (buffer[8] << 24) | (buffer[9] << 16) | - (buffer[10] << 8) | buffer[11]; - lba = (((u64)buffer[0] << 56) | ((u64)buffer[1] << 48) | - ((u64)buffer[2] << 40) | ((u64)buffer[3] << 32) | - ((u64)buffer[4] << 24) | ((u64)buffer[5] << 16) | - ((u64)buffer[6] << 8) | (u64)buffer[7]); + sector_size = get_unaligned_be32(&buffer[8]); + lba = get_unaligned_be64(&buffer[0]); sd_read_protection_type(sdkp, buffer); @@ -1400,10 +1397,8 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp, return -EINVAL; } - sector_size = (buffer[4] << 24) | (buffer[5] << 16) | - (buffer[6] << 8) | buffer[7]; - lba = (buffer[0] << 24) | (buffer[1] << 16) | - (buffer[2] << 8) | buffer[3]; + sector_size = get_unaligned_be32(&buffer[4]); + lba = get_unaligned_be32(&buffer[0]); if ((sizeof(sdkp->capacity) == 4) && (lba == 0xffffffff)) { sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a " diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 82312df9b0b..e1716f14cd4 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -179,7 +179,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */ /* tasklet or soft irq callback */ static void sg_rq_end_io(struct request *rq, int uptodate); static int sg_start_req(Sg_request *srp, unsigned char *cmd); -static void sg_finish_rem_req(Sg_request * srp); +static int sg_finish_rem_req(Sg_request * srp); static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size); static ssize_t sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp); @@ -518,7 +518,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp) goto err_out; } err_out: - sg_finish_rem_req(srp); + err = sg_finish_rem_req(srp); return (0 == err) ? count : err; } @@ -1696,9 +1696,10 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) return res; } -static void -sg_finish_rem_req(Sg_request * srp) +static int sg_finish_rem_req(Sg_request * srp) { + int ret = 0; + Sg_fd *sfp = srp->parentfp; Sg_scatter_hold *req_schp = &srp->data; @@ -1710,12 +1711,14 @@ sg_finish_rem_req(Sg_request * srp) if (srp->rq) { if (srp->bio) - blk_rq_unmap_user(srp->bio); + ret = blk_rq_unmap_user(srp->bio); blk_put_request(srp->rq); } sg_remove_request(sfp, srp); + + return ret; } static int diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index d92ff512d21..291236e6e43 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -309,6 +309,11 @@ int sr_drive_status(struct cdrom_device_info *cdi, int slot) if (0 == sr_test_unit_ready(cd->device, &sshdr)) return CDS_DISC_OK; + /* SK/ASC/ASCQ of 2/4/1 means "unit is becoming ready" */ + if (scsi_sense_valid(&sshdr) && sshdr.sense_key == NOT_READY + && sshdr.asc == 0x04 && sshdr.ascq == 0x01) + return CDS_DRIVE_NOT_READY; + if (!cdrom_get_media_event(cdi, &med)) { if (med.media_present) return CDS_DISC_OK; diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index b4b39811b44..a0127e93ade 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -137,6 +137,7 @@ struct uart_8250_port { unsigned char mcr; unsigned char mcr_mask; /* mask of user bits */ unsigned char mcr_force; /* mask of forced bits */ + unsigned char cur_iotype; /* Running I/O type */ /* * Some bits in registers are cleared on a read, so they must @@ -471,6 +472,7 @@ static void io_serial_out(struct uart_port *p, int offset, int value) static void set_io_from_upio(struct uart_port *p) { + struct uart_8250_port *up = (struct uart_8250_port *)p; switch (p->iotype) { case UPIO_HUB6: p->serial_in = hub6_serial_in; @@ -509,6 +511,8 @@ static void set_io_from_upio(struct uart_port *p) p->serial_out = io_serial_out; break; } + /* Remember loaded iotype */ + up->cur_iotype = p->iotype; } static void @@ -1937,6 +1941,9 @@ static int serial8250_startup(struct uart_port *port) up->capabilities = uart_config[up->port.type].flags; up->mcr = 0; + if (up->port.iotype != up->cur_iotype) + set_io_from_upio(port); + if (up->port.type == PORT_16C950) { /* Wake up and initialize UART */ up->acr = 0; @@ -2563,6 +2570,9 @@ static void serial8250_config_port(struct uart_port *port, int flags) if (ret < 0) probeflags &= ~PROBE_RSA; + if (up->port.iotype != up->cur_iotype) + set_io_from_upio(port); + if (flags & UART_CONFIG_TYPE) autoconfig(up, probeflags); if (up->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ) @@ -2671,6 +2681,11 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev) { int i; + for (i = 0; i < nr_uarts; i++) { + struct uart_8250_port *up = &serial8250_ports[i]; + up->cur_iotype = 0xFF; + } + serial8250_isa_init_ports(); for (i = 0; i < nr_uarts; i++) { diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c index 418b4fe9a0a..33149d982e8 100644 --- a/drivers/serial/8250_gsc.c +++ b/drivers/serial/8250_gsc.c @@ -39,9 +39,9 @@ static int __init serial_init_chip(struct parisc_device *dev) */ if (parisc_parent(dev)->id.hw_type != HPHW_IOA) printk(KERN_INFO - "Serial: device 0x%lx not configured.\n" + "Serial: device 0x%llx not configured.\n" "Enable support for Wax, Lasi, Asp or Dino.\n", - dev->hpa.start); + (unsigned long long)dev->hpa.start); return -ENODEV; } diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 7ddff3f5508..938bc1b6c3f 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -771,8 +771,6 @@ static int pci_netmos_init(struct pci_dev *dev) } /* - * ITE support by Niels de Vos <niels.devos@wincor-nixdorf.com> - * * These chips are available with optionally one parallel port and up to * two serial ports. Unfortunately they all have the same product id. * diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index e3a5ad5ef1d..cdc049d4350 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -665,7 +665,7 @@ static struct uart_driver amba_reg = { .cons = AMBA_CONSOLE, }; -static int pl010_probe(struct amba_device *dev, void *id) +static int pl010_probe(struct amba_device *dev, struct amba_id *id) { struct uart_amba_port *uap; void __iomem *base; diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index 8b2b9700f3e..88fdac51b6c 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -729,7 +729,7 @@ static struct uart_driver amba_reg = { .cons = AMBA_CONSOLE, }; -static int pl011_probe(struct amba_device *dev, void *id) +static int pl011_probe(struct amba_device *dev, struct amba_id *id) { struct uart_amba_port *uap; void __iomem *base; diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 18ba812a4f8..d86123e0339 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -166,7 +166,7 @@ static void bfin_serial_start_tx(struct uart_port *port) struct tty_struct *tty = uart->port.info->port.tty; #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS - if (uart->scts && (!bfin_serial_get_mctrl(&uart->port)&TIOCM_CTS)) { + if (uart->scts && !(bfin_serial_get_mctrl(&uart->port) & TIOCM_CTS)) { uart->scts = 0; uart_handle_cts_change(&uart->port, uart->scts); } @@ -368,7 +368,7 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id) struct bfin_serial_port *uart = dev_id; #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS - if (uart->scts && (!bfin_serial_get_mctrl(&uart->port)&TIOCM_CTS)) { + if (uart->scts && !(bfin_serial_get_mctrl(&uart->port) & TIOCM_CTS)) { uart->scts = 0; uart_handle_cts_change(&uart->port, uart->scts); } @@ -504,7 +504,7 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) struct circ_buf *xmit = &uart->port.info->xmit; #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS - if (uart->scts && (!bfin_serial_get_mctrl(&uart->port)&TIOCM_CTS)) { + if (uart->scts && !(bfin_serial_get_mctrl(&uart->port)&TIOCM_CTS)) { uart->scts = 0; uart_handle_cts_change(&uart->port, uart->scts); } diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 7ba7d70f04d..7be52fe288e 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -23,16 +23,18 @@ static char *serial_version = "$Revision: 1.25 $"; #include <linux/mm.h> #include <linux/slab.h> #include <linux/init.h> -#include <asm/uaccess.h> #include <linux/kernel.h> #include <linux/mutex.h> #include <linux/bitops.h> +#include <linux/seq_file.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/uaccess.h> +#include <linux/io.h> -#include <asm/io.h> #include <asm/irq.h> #include <asm/dma.h> #include <asm/system.h> -#include <linux/delay.h> #include <arch/svinto.h> @@ -456,7 +458,6 @@ static struct e100_serial rs_table[] = { #define NR_PORTS (sizeof(rs_table)/sizeof(struct e100_serial)) -static struct ktermios *serial_termios[NR_PORTS]; #ifdef CONFIG_ETRAX_SERIAL_FAST_TIMER static struct fast_timer fast_timers[NR_PORTS]; #endif @@ -4257,151 +4258,132 @@ rs_open(struct tty_struct *tty, struct file * filp) return 0; } +#ifdef CONFIG_PROC_FS /* * /proc fs routines.... */ -static int line_info(char *buf, struct e100_serial *info) +static void seq_line_info(struct seq_file *m, struct e100_serial *info) { - char stat_buf[30]; - int ret; unsigned long tmp; - ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d", - info->line, (unsigned long)info->ioport, info->irq); + seq_printf(m, "%d: uart:E100 port:%lX irq:%d", + info->line, (unsigned long)info->ioport, info->irq); if (!info->ioport || (info->type == PORT_UNKNOWN)) { - ret += sprintf(buf+ret, "\n"); - return ret; + seq_printf(m, "\n"); + return; } - stat_buf[0] = 0; - stat_buf[1] = 0; - if (!E100_RTS_GET(info)) - strcat(stat_buf, "|RTS"); - if (!E100_CTS_GET(info)) - strcat(stat_buf, "|CTS"); - if (!E100_DTR_GET(info)) - strcat(stat_buf, "|DTR"); - if (!E100_DSR_GET(info)) - strcat(stat_buf, "|DSR"); - if (!E100_CD_GET(info)) - strcat(stat_buf, "|CD"); - if (!E100_RI_GET(info)) - strcat(stat_buf, "|RI"); - - ret += sprintf(buf+ret, " baud:%d", info->baud); - - ret += sprintf(buf+ret, " tx:%lu rx:%lu", + seq_printf(m, " baud:%d", info->baud); + seq_printf(m, " tx:%lu rx:%lu", (unsigned long)info->icount.tx, (unsigned long)info->icount.rx); tmp = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE); - if (tmp) { - ret += sprintf(buf+ret, " tx_pend:%lu/%lu", - (unsigned long)tmp, - (unsigned long)SERIAL_XMIT_SIZE); - } + if (tmp) + seq_printf(m, " tx_pend:%lu/%lu", + (unsigned long)tmp, + (unsigned long)SERIAL_XMIT_SIZE); - ret += sprintf(buf+ret, " rx_pend:%lu/%lu", - (unsigned long)info->recv_cnt, - (unsigned long)info->max_recv_cnt); + seq_printf(m, " rx_pend:%lu/%lu", + (unsigned long)info->recv_cnt, + (unsigned long)info->max_recv_cnt); #if 1 if (info->port.tty) { - if (info->port.tty->stopped) - ret += sprintf(buf+ret, " stopped:%i", - (int)info->port.tty->stopped); + seq_printf(m, " stopped:%i", + (int)info->port.tty->stopped); if (info->port.tty->hw_stopped) - ret += sprintf(buf+ret, " hw_stopped:%i", - (int)info->port.tty->hw_stopped); + seq_printf(m, " hw_stopped:%i", + (int)info->port.tty->hw_stopped); } { unsigned char rstat = info->ioport[REG_STATUS]; - if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) - ret += sprintf(buf+ret, " xoff_detect:1"); + if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect)) + seq_printf(m, " xoff_detect:1"); } #endif - - - if (info->icount.frame) - ret += sprintf(buf+ret, " fe:%lu", - (unsigned long)info->icount.frame); + seq_printf(m, " fe:%lu", (unsigned long)info->icount.frame); if (info->icount.parity) - ret += sprintf(buf+ret, " pe:%lu", - (unsigned long)info->icount.parity); + seq_printf(m, " pe:%lu", (unsigned long)info->icount.parity); if (info->icount.brk) - ret += sprintf(buf+ret, " brk:%lu", - (unsigned long)info->icount.brk); + seq_printf(m, " brk:%lu", (unsigned long)info->icount.brk); if (info->icount.overrun) - ret += sprintf(buf+ret, " oe:%lu", - (unsigned long)info->icount.overrun); + seq_printf(m, " oe:%lu", (unsigned long)info->icount.overrun); /* * Last thing is the RS-232 status lines */ - ret += sprintf(buf+ret, " %s\n", stat_buf+1); - return ret; + if (!E100_RTS_GET(info)) + seq_puts(m, "|RTS"); + if (!E100_CTS_GET(info)) + seq_puts(m, "|CTS"); + if (!E100_DTR_GET(info)) + seq_puts(m, "|DTR"); + if (!E100_DSR_GET(info)) + seq_puts(m, "|DSR"); + if (!E100_CD_GET(info)) + seq_puts(m, "|CD"); + if (!E100_RI_GET(info)) + seq_puts(m, "|RI"); + seq_puts(m, "\n"); } -int rs_read_proc(char *page, char **start, off_t off, int count, - int *eof, void *data) + +static int crisv10_proc_show(struct seq_file *m, void *v) { - int i, len = 0, l; - off_t begin = 0; + int i; - len += sprintf(page, "serinfo:1.0 driver:%s\n", - serial_version); - for (i = 0; i < NR_PORTS && len < 4000; i++) { + seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version); + + for (i = 0; i < NR_PORTS; i++) { if (!rs_table[i].enabled) continue; - l = line_info(page + len, &rs_table[i]); - len += l; - if (len+begin > off+count) - goto done; - if (len+begin < off) { - begin += len; - len = 0; - } + seq_line_info(m, &rs_table[i]); } #ifdef DEBUG_LOG_INCLUDED for (i = 0; i < debug_log_pos; i++) { - len += sprintf(page + len, "%-4i %lu.%lu ", i, debug_log[i].time, timer_data_to_ns(debug_log[i].timer_data)); - len += sprintf(page + len, debug_log[i].string, debug_log[i].value); - if (len+begin > off+count) - goto done; - if (len+begin < off) { - begin += len; - len = 0; - } + seq_printf(m, "%-4i %lu.%lu ", + i, debug_log[i].time, + timer_data_to_ns(debug_log[i].timer_data)); + seq_printf(m, debug_log[i].string, debug_log[i].value); } - len += sprintf(page + len, "debug_log %i/%i %li bytes\n", - i, DEBUG_LOG_SIZE, begin+len); + seq_printf(m, "debug_log %i/%i\n", i, DEBUG_LOG_SIZE); debug_log_pos = 0; #endif + return 0; +} - *eof = 1; -done: - if (off >= len+begin) - return 0; - *start = page + (off-begin); - return ((count < begin+len-off) ? count : begin+len-off); +static int crisv10_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, crisv10_proc_show, NULL); } +static const struct file_operations crisv10_proc_fops = { + .owner = THIS_MODULE, + .open = crisv10_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif + + /* Finally, routines used to initialize the serial driver. */ -static void -show_serial_version(void) +static void show_serial_version(void) { printk(KERN_INFO - "ETRAX 100LX serial-driver %s, (c) 2000-2004 Axis Communications AB\r\n", + "ETRAX 100LX serial-driver %s, " + "(c) 2000-2004 Axis Communications AB\r\n", &serial_version[11]); /* "$Revision: x.yy" */ } @@ -4425,13 +4407,14 @@ static const struct tty_operations rs_ops = { .break_ctl = rs_break, .send_xchar = rs_send_xchar, .wait_until_sent = rs_wait_until_sent, - .read_proc = rs_read_proc, .tiocmget = rs_tiocmget, - .tiocmset = rs_tiocmset + .tiocmset = rs_tiocmset, +#ifdef CONFIG_PROC_FS + .proc_fops = &crisv10_proc_fops, +#endif }; -static int __init -rs_init(void) +static int __init rs_init(void) { int i; struct e100_serial *info; diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c index 6579e2be1dd..a461b3b2c72 100644 --- a/drivers/serial/icom.c +++ b/drivers/serial/icom.c @@ -1472,8 +1472,8 @@ static void icom_remove_adapter(struct icom_adapter *icom_adapter) free_irq(icom_adapter->pci_dev->irq, (void *) icom_adapter); iounmap(icom_adapter->base_addr); - icom_free_adapter(icom_adapter); pci_release_regions(icom_adapter->pci_dev); + icom_free_adapter(icom_adapter); } static void icom_kref_release(struct kref *kref) diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 9f460b175c5..5f0be40dfda 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -1031,6 +1031,8 @@ imx_console_setup(struct console *co, char *options) if (co->index == -1 || co->index >= ARRAY_SIZE(imx_ports)) co->index = 0; sport = imx_ports[co->index]; + if(sport == NULL) + return -ENODEV; if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); diff --git a/drivers/serial/jsm/jsm.h b/drivers/serial/jsm/jsm.h index 8871aaa3dba..c0a3e2734e2 100644 --- a/drivers/serial/jsm/jsm.h +++ b/drivers/serial/jsm/jsm.h @@ -130,8 +130,6 @@ struct jsm_board struct pci_dev *pci_dev; u32 maxports; /* MAX ports this board can handle */ - spinlock_t bd_lock; /* Used to protect board */ - spinlock_t bd_intr_lock; /* Used to protect the poller tasklet and * the interrupt routine from each other. */ diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c index d2d32a19862..b3604aa322a 100644 --- a/drivers/serial/jsm/jsm_driver.c +++ b/drivers/serial/jsm/jsm_driver.c @@ -88,7 +88,6 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device else brd->maxports = 2; - spin_lock_init(&brd->bd_lock); spin_lock_init(&brd->bd_intr_lock); /* store which revision we have */ diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 7f72f8ceaa6..b3feb6198d5 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -988,7 +988,7 @@ mpc52xx_console_setup(struct console *co, char *options) 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)) { + if ((co->index < 0) || (co->index >= MPC52xx_PSC_MAXNUM)) { pr_debug("PSC%x out of range\n", co->index); return -EINVAL; } diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c index 32f3eaf0d26..9e150b19d72 100644 --- a/drivers/serial/nwpserial.c +++ b/drivers/serial/nwpserial.c @@ -145,11 +145,13 @@ static irqreturn_t nwpserial_interrupt(int irq, void *dev_id) ch = dcr_read(up->dcr_host, UART_RX); if (up->port.ignore_status_mask != NWPSERIAL_STATUS_RXVALID) tty_insert_flip_char(tty, ch, TTY_NORMAL); - } while (dcr_read(up->dcr_host, UART_RX) & UART_LSR_DR); + } while (dcr_read(up->dcr_host, UART_LSR) & UART_LSR_DR); tty_flip_buffer_push(tty); ret = IRQ_HANDLED; + /* clear interrupt */ + dcr_write(up->dcr_host, UART_IIR, 1); out: spin_unlock(&up->port.lock); return ret; diff --git a/drivers/serial/s3c6400.c b/drivers/serial/s3c6400.c index 06936d13393..3e378523368 100644 --- a/drivers/serial/s3c6400.c +++ b/drivers/serial/s3c6400.c @@ -102,6 +102,7 @@ static struct s3c24xx_uart_info s3c6400_uart_inf = { .name = "Samsung S3C6400 UART", .type = PORT_S3C6400, .fifosize = 64, + .has_divslot = 1, .rx_fifomask = S3C2440_UFSTAT_RXMASK, .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT, .rx_fifofull = S3C2440_UFSTAT_RXFULL, diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c index e06686ae858..93b5d75db12 100644 --- a/drivers/serial/samsung.c +++ b/drivers/serial/samsung.c @@ -508,6 +508,7 @@ s3c24xx_serial_setsource(struct uart_port *port, struct s3c24xx_uart_clksrc *c) struct baud_calc { struct s3c24xx_uart_clksrc *clksrc; unsigned int calc; + unsigned int divslot; unsigned int quot; struct clk *src; }; @@ -517,6 +518,7 @@ static int s3c24xx_serial_calcbaud(struct baud_calc *calc, struct s3c24xx_uart_clksrc *clksrc, unsigned int baud) { + struct s3c24xx_uart_port *ourport = to_ourport(port); unsigned long rate; calc->src = clk_get(port->dev, clksrc->name); @@ -527,8 +529,24 @@ static int s3c24xx_serial_calcbaud(struct baud_calc *calc, rate /= clksrc->divisor; calc->clksrc = clksrc; - calc->quot = (rate + (8 * baud)) / (16 * baud); - calc->calc = (rate / (calc->quot * 16)); + + if (ourport->info->has_divslot) { + unsigned long div = rate / baud; + + /* The UDIVSLOT register on the newer UARTs allows us to + * get a divisor adjustment of 1/16th on the baud clock. + * + * We don't keep the UDIVSLOT value (the 16ths we calculated + * by not multiplying the baud by 16) as it is easy enough + * to recalculate. + */ + + calc->quot = div / 16; + calc->calc = rate / div; + } else { + calc->quot = (rate + (8 * baud)) / (16 * baud); + calc->calc = (rate / (calc->quot * 16)); + } calc->quot--; return 1; @@ -611,6 +629,30 @@ static unsigned int s3c24xx_serial_getclk(struct uart_port *port, return best->quot; } +/* udivslot_table[] + * + * This table takes the fractional value of the baud divisor and gives + * the recommended setting for the UDIVSLOT register. + */ +static u16 udivslot_table[16] = { + [0] = 0x0000, + [1] = 0x0080, + [2] = 0x0808, + [3] = 0x0888, + [4] = 0x2222, + [5] = 0x4924, + [6] = 0x4A52, + [7] = 0x54AA, + [8] = 0x5555, + [9] = 0xD555, + [10] = 0xD5D5, + [11] = 0xDDD5, + [12] = 0xDDDD, + [13] = 0xDFDD, + [14] = 0xDFDF, + [15] = 0xFFDF, +}; + static void s3c24xx_serial_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) @@ -623,6 +665,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, unsigned int baud, quot; unsigned int ulcon; unsigned int umcon; + unsigned int udivslot = 0; /* * We don't support modem control lines. @@ -644,6 +687,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, /* check to see if we need to change clock source */ if (ourport->clksrc != clksrc || ourport->baudclk != clk) { + dbg("selecting clock %p\n", clk); s3c24xx_serial_setsource(port, clksrc); if (ourport->baudclk != NULL && !IS_ERR(ourport->baudclk)) { @@ -658,6 +702,13 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, ourport->baudclk_rate = clk ? clk_get_rate(clk) : 0; } + if (ourport->info->has_divslot) { + unsigned int div = ourport->baudclk_rate / baud; + + udivslot = udivslot_table[div & 15]; + dbg("udivslot = %04x (div %d)\n", udivslot, div & 15); + } + switch (termios->c_cflag & CSIZE) { case CS5: dbg("config: 5bits/char\n"); @@ -697,12 +748,16 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, spin_lock_irqsave(&port->lock, flags); - dbg("setting ulcon to %08x, brddiv to %d\n", ulcon, quot); + dbg("setting ulcon to %08x, brddiv to %d, udivslot %08x\n", + ulcon, quot, udivslot); wr_regl(port, S3C2410_ULCON, ulcon); wr_regl(port, S3C2410_UBRDIV, quot); wr_regl(port, S3C2410_UMCON, umcon); + if (ourport->info->has_divslot) + wr_regl(port, S3C2443_DIVSLOT, udivslot); + dbg("uart: ulcon = 0x%08x, ucon = 0x%08x, ufcon = 0x%08x\n", rd_regl(port, S3C2410_ULCON), rd_regl(port, S3C2410_UCON), diff --git a/drivers/serial/samsung.h b/drivers/serial/samsung.h index 571d6b90d20..7afb94843a0 100644 --- a/drivers/serial/samsung.h +++ b/drivers/serial/samsung.h @@ -21,6 +21,10 @@ struct s3c24xx_uart_info { unsigned long tx_fifoshift; unsigned long tx_fifofull; + /* uart port features */ + + unsigned int has_divslot:1; + /* clock source control */ int (*get_clksrc)(struct uart_port *, struct s3c24xx_uart_clksrc *clk); diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index c76feea5fe2..3f3c08c6ba4 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -213,7 +213,7 @@ static int flush(struct driver_data *drv_data) while (read_SSSR(reg) & SSSR_RNE) { read_SSDR(reg); } - } while ((read_SSSR(reg) & SSSR_BSY) && limit--); + } while ((read_SSSR(reg) & SSSR_BSY) && --limit); write_SSSR(SSSR_ROR, reg); return limit; @@ -484,7 +484,7 @@ static int wait_ssp_rx_stall(void const __iomem *ioaddr) { unsigned long limit = loops_per_jiffy << 1; - while ((read_SSSR(ioaddr) & SSSR_BSY) && limit--) + while ((read_SSSR(ioaddr) & SSSR_BSY) && --limit) cpu_relax(); return limit; @@ -494,7 +494,7 @@ static int wait_dma_channel_stop(int channel) { unsigned long limit = loops_per_jiffy << 1; - while (!(DCSR(channel) & DCSR_STOPSTATE) && limit--) + while (!(DCSR(channel) & DCSR_STOPSTATE) && --limit) cpu_relax(); return limit; @@ -1373,6 +1373,9 @@ static void cleanup(struct spi_device *spi) { struct chip_data *chip = spi_get_ctldata(spi); + if (!chip) + return; + if (gpio_is_valid(chip->gpio_cs)) gpio_free(chip->gpio_cs); @@ -1700,6 +1703,13 @@ static int pxa2xx_spi_resume(struct platform_device *pdev) struct ssp_device *ssp = drv_data->ssp; int status = 0; + if (drv_data->rx_channel != -1) + DRCMR(drv_data->ssp->drcmr_rx) = + DRCMR_MAPVLD | drv_data->rx_channel; + if (drv_data->tx_channel != -1) + DRCMR(drv_data->ssp->drcmr_tx) = + DRCMR_MAPVLD | drv_data->tx_channel; + /* Enable the SSP clock */ clk_enable(ssp->clk); diff --git a/drivers/staging/comedi/TODO b/drivers/staging/comedi/TODO index 55781295846..15c9348fb93 100644 --- a/drivers/staging/comedi/TODO +++ b/drivers/staging/comedi/TODO @@ -11,4 +11,3 @@ Please send patches to Greg Kroah-Hartman <greg@kroah.com> and copy: Ian Abbott <abbotti@mev.co.uk> Frank Mori Hess <fmhess@users.sourceforge.net> - David Schleef <ds@schleef.org> diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c index f47c0ce2849..77b1e769ac9 100644 --- a/drivers/staging/go7007/go7007-driver.c +++ b/drivers/staging/go7007/go7007-driver.c @@ -191,8 +191,10 @@ int go7007_reset_encoder(struct go7007 *go) /* * Attempt to instantiate an I2C client by ID, probably loading a module. */ -static int init_i2c_module(struct i2c_adapter *adapter, int id, int addr) +static int init_i2c_module(struct i2c_adapter *adapter, const char *type, + int id, int addr) { + struct i2c_board_info info; char *modname; switch (id) { @@ -226,7 +228,11 @@ static int init_i2c_module(struct i2c_adapter *adapter, int id, int addr) } if (modname != NULL) request_module(modname); - if (wis_i2c_probe_device(adapter, id, addr) == 1) + + memset(&info, 0, sizeof(struct i2c_board_info)); + info.addr = addr; + strlcpy(info.type, type, I2C_NAME_SIZE); + if (!i2c_new_device(adapter, &info)) return 0; if (modname != NULL) printk(KERN_INFO @@ -266,6 +272,7 @@ int go7007_register_encoder(struct go7007 *go) if (go->i2c_adapter_online) { for (i = 0; i < go->board_info->num_i2c_devs; ++i) init_i2c_module(&go->i2c_adapter, + go->board_info->i2c_devs[i].type, go->board_info->i2c_devs[i].id, go->board_info->i2c_devs[i].addr); if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) diff --git a/drivers/staging/go7007/go7007-i2c.c b/drivers/staging/go7007/go7007-i2c.c index cd55b76eabc..c82867fdd28 100644 --- a/drivers/staging/go7007/go7007-i2c.c +++ b/drivers/staging/go7007/go7007-i2c.c @@ -31,87 +31,6 @@ #include "go7007-priv.h" #include "wis-i2c.h" -/************** Registration interface for I2C client drivers **************/ - -/* Since there's no way to auto-probe the I2C devices connected to the I2C - * bus on the go7007, we have this silly little registration system that - * client drivers can use to register their I2C driver ID and their - * detect_client function (the one that's normally passed to i2c_probe). - * - * When a new go7007 device is connected, we can look up in a board info - * table by the USB or PCI vendor/product/revision ID to determine - * which I2C client module to load. The client driver module will register - * itself here, and then we can call the registered detect_client function - * to force-load a new client at the address listed in the board info table. - * - * Really the I2C subsystem should have a way to force-load I2C client - * drivers when we have a priori knowledge of what's on the bus, especially - * since the existing I2C auto-probe mechanism is so hokey, but we'll use - * our own mechanism for the time being. */ - -struct wis_i2c_client_driver { - unsigned int id; - found_proc found_proc; - struct list_head list; -}; - -static LIST_HEAD(i2c_client_drivers); -static DECLARE_MUTEX(i2c_client_driver_list_lock); - -/* Client drivers register here by their I2C driver ID */ -int wis_i2c_add_driver(unsigned int id, found_proc found_proc) -{ - struct wis_i2c_client_driver *driver; - - driver = kmalloc(sizeof(struct wis_i2c_client_driver), GFP_KERNEL); - if (driver == NULL) - return -ENOMEM; - driver->id = id; - driver->found_proc = found_proc; - - down(&i2c_client_driver_list_lock); - list_add_tail(&driver->list, &i2c_client_drivers); - up(&i2c_client_driver_list_lock); - - return 0; -} -EXPORT_SYMBOL(wis_i2c_add_driver); - -void wis_i2c_del_driver(found_proc found_proc) -{ - struct wis_i2c_client_driver *driver, *next; - - down(&i2c_client_driver_list_lock); - list_for_each_entry_safe(driver, next, &i2c_client_drivers, list) - if (driver->found_proc == found_proc) { - list_del(&driver->list); - kfree(driver); - } - up(&i2c_client_driver_list_lock); -} -EXPORT_SYMBOL(wis_i2c_del_driver); - -/* The main go7007 driver calls this to instantiate a client by driver - * ID and bus address, which are both stored in the board info table */ -int wis_i2c_probe_device(struct i2c_adapter *adapter, - unsigned int id, int addr) -{ - struct wis_i2c_client_driver *driver; - int found = 0; - - if (addr < 0 || addr > 0x7f) - return -1; - down(&i2c_client_driver_list_lock); - list_for_each_entry(driver, &i2c_client_drivers, list) - if (driver->id == id) { - if (driver->found_proc(adapter, addr, 0) == 0) - found = 1; - break; - } - up(&i2c_client_driver_list_lock); - return found; -} - /********************* Driver for on-board I2C adapter *********************/ /* #define GO7007_I2C_DEBUG */ @@ -287,9 +206,7 @@ static struct i2c_algorithm go7007_algo = { static struct i2c_adapter go7007_adap_templ = { .owner = THIS_MODULE, - .class = I2C_CLASS_TV_ANALOG, .name = "WIS GO7007SB", - .id = I2C_ALGO_GO7007, .algo = &go7007_algo, }; diff --git a/drivers/staging/go7007/go7007-priv.h b/drivers/staging/go7007/go7007-priv.h index 372f1f1c09b..178d18119fa 100644 --- a/drivers/staging/go7007/go7007-priv.h +++ b/drivers/staging/go7007/go7007-priv.h @@ -87,6 +87,7 @@ struct go7007_board_info { int audio_main_div; int num_i2c_devs; struct { + const char *type; int id; int addr; } i2c_devs[4]; diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c index 83eec920c7d..aa4a9e0b995 100644 --- a/drivers/staging/go7007/go7007-usb.c +++ b/drivers/staging/go7007/go7007-usb.c @@ -91,6 +91,7 @@ static struct go7007_usb_board board_matrix_ii = { .num_i2c_devs = 1, .i2c_devs = { { + .type = "wis_saa7115", .id = I2C_DRIVERID_WIS_SAA7115, .addr = 0x20, }, @@ -127,6 +128,7 @@ static struct go7007_usb_board board_matrix_reload = { .num_i2c_devs = 1, .i2c_devs = { { + .type = "wis_saa7113", .id = I2C_DRIVERID_WIS_SAA7113, .addr = 0x25, }, @@ -164,6 +166,7 @@ static struct go7007_usb_board board_star_trek = { .num_i2c_devs = 1, .i2c_devs = { { + .type = "wis_saa7115", .id = I2C_DRIVERID_WIS_SAA7115, .addr = 0x20, }, @@ -209,14 +212,17 @@ static struct go7007_usb_board board_px_tv402u = { .num_i2c_devs = 3, .i2c_devs = { { + .type = "wis_saa7115", .id = I2C_DRIVERID_WIS_SAA7115, .addr = 0x20, }, { + .type = "wis_uda1342", .id = I2C_DRIVERID_WIS_UDA1342, .addr = 0x1a, }, { + .type = "wis_sony_tuner", .id = I2C_DRIVERID_WIS_SONY_TUNER, .addr = 0x60, }, @@ -264,6 +270,7 @@ static struct go7007_usb_board board_xmen = { .num_i2c_devs = 1, .i2c_devs = { { + .type = "wis_ov7640", .id = I2C_DRIVERID_WIS_OV7640, .addr = 0x21, }, @@ -296,6 +303,7 @@ static struct go7007_usb_board board_matrix_revolution = { .num_i2c_devs = 1, .i2c_devs = { { + .type = "wis_tw9903", .id = I2C_DRIVERID_WIS_TW9903, .addr = 0x44, }, @@ -385,6 +393,7 @@ static struct go7007_usb_board board_adlink_mpg24 = { .num_i2c_devs = 1, .i2c_devs = { { + .type = "wis_twTW2804", .id = I2C_DRIVERID_WIS_TW2804, .addr = 0x00, /* yes, really */ }, @@ -415,8 +424,9 @@ static struct go7007_usb_board board_sensoray_2250 = { .num_i2c_devs = 1, .i2c_devs = { { + .type = "s2250_board", .id = I2C_DRIVERID_S2250, - .addr = 0x34, + .addr = 0x43, }, }, .num_inputs = 2, @@ -943,9 +953,7 @@ static struct i2c_algorithm go7007_usb_algo = { static struct i2c_adapter go7007_usb_adap_templ = { .owner = THIS_MODULE, - .class = I2C_CLASS_TV_ANALOG, .name = "WIS GO7007SB EZ-USB", - .id = I2C_ALGO_GO7007_USB, .algo = &go7007_usb_algo, }; diff --git a/drivers/staging/go7007/s2250-board.c b/drivers/staging/go7007/s2250-board.c index d333ea2cd77..1706fbf0684 100644 --- a/drivers/staging/go7007/s2250-board.c +++ b/drivers/staging/go7007/s2250-board.c @@ -28,7 +28,6 @@ extern int s2250loader_init(void); extern void s2250loader_cleanup(void); #define TLV320_ADDRESS 0x34 -#define S2250_VIDDEC 0x86 #define VPX322_ADDR_ANALOGCONTROL1 0x02 #define VPX322_ADDR_BRIGHTNESS0 0x0127 #define VPX322_ADDR_BRIGHTNESS1 0x0131 @@ -123,6 +122,7 @@ struct s2250 { int hue; int reg12b_val; int audio_input; + struct i2c_client *audio; }; /* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/ @@ -452,16 +452,15 @@ static int s2250_command(struct i2c_client *client, { struct v4l2_audio *audio = arg; - client->addr = TLV320_ADDRESS; switch (audio->index) { case 0: - write_reg(client, 0x08, 0x02); /* Line In */ + write_reg(dec->audio, 0x08, 0x02); /* Line In */ break; case 1: - write_reg(client, 0x08, 0x04); /* Mic */ + write_reg(dec->audio, 0x08, 0x04); /* Mic */ break; case 2: - write_reg(client, 0x08, 0x05); /* Mic Boost */ + write_reg(dec->audio, 0x08, 0x05); /* Mic Boost */ break; default: return -EINVAL; @@ -477,31 +476,23 @@ static int s2250_command(struct i2c_client *client, return 0; } -static struct i2c_driver s2250_driver; - -static struct i2c_client s2250_client_templ = { - .name = "Sensoray 2250", - .driver = &s2250_driver, -}; - -static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind) +static int s2250_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_client *audio; + struct i2c_adapter *adapter = client->adapter; struct s2250 *dec; u8 *data; struct go7007 *go = i2c_get_adapdata(adapter); struct go7007_usb *usb = go->hpi_context; - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) + audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1); + if (audio == NULL) return -ENOMEM; - memcpy(client, &s2250_client_templ, - sizeof(s2250_client_templ)); - client->adapter = adapter; dec = kmalloc(sizeof(struct s2250), GFP_KERNEL); if (dec == NULL) { - kfree(client); + i2c_unregister_device(audio); return -ENOMEM; } @@ -510,7 +501,7 @@ static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind) dec->contrast = 50; dec->saturation = 50; dec->hue = 0; - client->addr = TLV320_ADDRESS; + dec->audio = audio; i2c_set_clientdata(client, dec); printk(KERN_DEBUG @@ -518,28 +509,25 @@ static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind) adapter->name); /* initialize the audio */ - client->addr = TLV320_ADDRESS; - if (write_regs(client, aud_regs) < 0) { + if (write_regs(audio, aud_regs) < 0) { printk(KERN_ERR "s2250: error initializing audio\n"); - kfree(client); + i2c_unregister_device(audio); kfree(dec); return 0; } - client->addr = S2250_VIDDEC; - i2c_set_clientdata(client, dec); if (write_regs(client, vid_regs) < 0) { printk(KERN_ERR "s2250: error initializing decoder\n"); - kfree(client); + i2c_unregister_device(audio); kfree(dec); return 0; } if (write_regs_fp(client, vid_regs_fp) < 0) { printk(KERN_ERR "s2250: error initializing decoder\n"); - kfree(client); + i2c_unregister_device(audio); kfree(dec); return 0; } @@ -575,32 +563,33 @@ static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind) up(&usb->i2c_lock); } - i2c_attach_client(client); printk("s2250: initialized successfully\n"); return 0; } -static int s2250_detach(struct i2c_client *client) +static int s2250_remove(struct i2c_client *client) { struct s2250 *dec = i2c_get_clientdata(client); - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - kfree(client); + i2c_set_clientdata(client, NULL); + i2c_unregister_device(dec->audio); kfree(dec); return 0; } +static struct i2c_device_id s2250_id[] = { + { "s2250_board", 0 }, + { } +}; + static struct i2c_driver s2250_driver = { .driver = { .name = "Sensoray 2250 board driver", }, - .id = I2C_DRIVERID_S2250, - .detach_client = s2250_detach, + .probe = s2250_probe, + .remove = s2250_remove, .command = s2250_command, + .id_table = s2250_id, }; static int __init s2250_init(void) @@ -613,13 +602,13 @@ static int __init s2250_init(void) r = i2c_add_driver(&s2250_driver); if (r < 0) - return r; - return wis_i2c_add_driver(s2250_driver.id, s2250_detect); + s2250loader_cleanup(); + + return r; } static void __exit s2250_cleanup(void) { - wis_i2c_del_driver(s2250_detect); i2c_del_driver(&s2250_driver); s2250loader_cleanup(); diff --git a/drivers/staging/go7007/wis-i2c.h b/drivers/staging/go7007/wis-i2c.h index 431f41dd396..3c2b9be455d 100644 --- a/drivers/staging/go7007/wis-i2c.h +++ b/drivers/staging/go7007/wis-i2c.h @@ -24,21 +24,12 @@ #define I2C_DRIVERID_WIS_OV7640 0xf0f5 #define I2C_DRIVERID_WIS_TW2804 0xf0f6 #define I2C_DRIVERID_S2250 0xf0f7 -#define I2C_ALGO_GO7007 0xf00000 -#define I2C_ALGO_GO7007_USB 0xf10000 /* Flag to indicate that the client needs to be accessed with SCCB semantics */ /* We re-use the I2C_M_TEN value so the flag passes through the masks in the * core I2C code. Major kludge, but the I2C layer ain't exactly flexible. */ #define I2C_CLIENT_SCCB 0x10 -typedef int (*found_proc) (struct i2c_adapter *, int, int); -int wis_i2c_add_driver(unsigned int id, found_proc found_proc); -void wis_i2c_del_driver(found_proc found_proc); - -int wis_i2c_probe_device(struct i2c_adapter *adapter, - unsigned int id, int addr); - /* Definitions for new video decoder commands */ struct video_decoder_resolution { diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c index 2f9efca0460..04d6d3a498a 100644 --- a/drivers/staging/go7007/wis-ov7640.c +++ b/drivers/staging/go7007/wis-ov7640.c @@ -50,76 +50,54 @@ static int write_regs(struct i2c_client *client, u8 *regs) return 0; } -static struct i2c_driver wis_ov7640_driver; - -static struct i2c_client wis_ov7640_client_templ = { - .name = "OV7640 (WIS)", - .driver = &wis_ov7640_driver, -}; - -static int wis_ov7640_detect(struct i2c_adapter *adapter, int addr, int kind) +static int wis_ov7640_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_ov7640_client_templ, - sizeof(wis_ov7640_client_templ)); - client->adapter = adapter; - client->addr = addr; + return -ENODEV; + client->flags = I2C_CLIENT_SCCB; printk(KERN_DEBUG "wis-ov7640: initializing OV7640 at address %d on %s\n", - addr, adapter->name); + client->addr, adapter->name); if (write_regs(client, initial_registers) < 0) { printk(KERN_ERR "wis-ov7640: error initializing OV7640\n"); - kfree(client); - return 0; + return -ENODEV; } - i2c_attach_client(client); return 0; } -static int wis_ov7640_detach(struct i2c_client *client) +static int wis_ov7640_remove(struct i2c_client *client) { - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - - kfree(client); return 0; } +static struct i2c_device_id wis_ov7640_id[] = { + { "wis_ov7640", 0 }, + { } +}; + static struct i2c_driver wis_ov7640_driver = { .driver = { .name = "WIS OV7640 I2C driver", }, - .id = I2C_DRIVERID_WIS_OV7640, - .detach_client = wis_ov7640_detach, + .probe = wis_ov7640_probe, + .remove = wis_ov7640_remove, + .id_table = wis_ov7640_id, }; static int __init wis_ov7640_init(void) { - int r; - - r = i2c_add_driver(&wis_ov7640_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_ov7640_driver.id, wis_ov7640_detect); + return i2c_add_driver(&wis_ov7640_driver); } static void __exit wis_ov7640_cleanup(void) { - wis_i2c_del_driver(wis_ov7640_detect); i2c_del_driver(&wis_ov7640_driver); } diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c index 11689723945..9ab893bd204 100644 --- a/drivers/staging/go7007/wis-saa7113.c +++ b/drivers/staging/go7007/wis-saa7113.c @@ -261,34 +261,19 @@ static int wis_saa7113_command(struct i2c_client *client, return 0; } -static struct i2c_driver wis_saa7113_driver; - -static struct i2c_client wis_saa7113_client_templ = { - .name = "SAA7113 (WIS)", - .driver = &wis_saa7113_driver, -}; - -static int wis_saa7113_detect(struct i2c_adapter *adapter, int addr, int kind) +static int wis_saa7113_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; struct wis_saa7113 *dec; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_saa7113_client_templ, - sizeof(wis_saa7113_client_templ)); - client->adapter = adapter; - client->addr = addr; + return -ENODEV; dec = kmalloc(sizeof(struct wis_saa7113), GFP_KERNEL); - if (dec == NULL) { - kfree(client); + if (dec == NULL) return -ENOMEM; - } + dec->norm = V4L2_STD_NTSC; dec->brightness = 128; dec->contrast = 71; @@ -298,56 +283,49 @@ static int wis_saa7113_detect(struct i2c_adapter *adapter, int addr, int kind) printk(KERN_DEBUG "wis-saa7113: initializing SAA7113 at address %d on %s\n", - addr, adapter->name); + client->addr, adapter->name); if (write_regs(client, initial_registers) < 0) { printk(KERN_ERR "wis-saa7113: error initializing SAA7113\n"); - kfree(client); kfree(dec); - return 0; + return -ENODEV; } - i2c_attach_client(client); return 0; } -static int wis_saa7113_detach(struct i2c_client *client) +static int wis_saa7113_remove(struct i2c_client *client) { struct wis_saa7113 *dec = i2c_get_clientdata(client); - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - kfree(client); + i2c_set_clientdata(client, NULL); kfree(dec); return 0; } +static struct i2c_device_id wis_saa7113_id[] = { + { "wis_saa7113", 0 }, + { } +}; + static struct i2c_driver wis_saa7113_driver = { .driver = { .name = "WIS SAA7113 I2C driver", }, - .id = I2C_DRIVERID_WIS_SAA7113, - .detach_client = wis_saa7113_detach, + .probe = wis_saa7113_probe, + .remove = wis_saa7113_remove, .command = wis_saa7113_command, + .id_table = wis_saa7113_id, }; static int __init wis_saa7113_init(void) { - int r; - - r = i2c_add_driver(&wis_saa7113_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_saa7113_driver.id, wis_saa7113_detect); + return i2c_add_driver(&wis_saa7113_driver); } static void __exit wis_saa7113_cleanup(void) { - wis_i2c_del_driver(wis_saa7113_detect); i2c_del_driver(&wis_saa7113_driver); } diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c index 59417a7174d..8687ad2de76 100644 --- a/drivers/staging/go7007/wis-saa7115.c +++ b/drivers/staging/go7007/wis-saa7115.c @@ -394,34 +394,19 @@ static int wis_saa7115_command(struct i2c_client *client, return 0; } -static struct i2c_driver wis_saa7115_driver; - -static struct i2c_client wis_saa7115_client_templ = { - .name = "SAA7115 (WIS)", - .driver = &wis_saa7115_driver, -}; - -static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind) +static int wis_saa7115_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; struct wis_saa7115 *dec; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_saa7115_client_templ, - sizeof(wis_saa7115_client_templ)); - client->adapter = adapter; - client->addr = addr; + return -ENODEV; dec = kmalloc(sizeof(struct wis_saa7115), GFP_KERNEL); - if (dec == NULL) { - kfree(client); + if (dec == NULL) return -ENOMEM; - } + dec->norm = V4L2_STD_NTSC; dec->brightness = 128; dec->contrast = 64; @@ -431,56 +416,49 @@ static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind) printk(KERN_DEBUG "wis-saa7115: initializing SAA7115 at address %d on %s\n", - addr, adapter->name); + client->addr, adapter->name); if (write_regs(client, initial_registers) < 0) { printk(KERN_ERR "wis-saa7115: error initializing SAA7115\n"); - kfree(client); kfree(dec); - return 0; + return -ENODEV; } - i2c_attach_client(client); return 0; } -static int wis_saa7115_detach(struct i2c_client *client) +static int wis_saa7115_remove(struct i2c_client *client) { struct wis_saa7115 *dec = i2c_get_clientdata(client); - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - kfree(client); + i2c_set_clientdata(client, NULL); kfree(dec); return 0; } +static struct i2c_device_id wis_saa7115_id[] = { + { "wis_saa7115", 0 }, + { } +}; + static struct i2c_driver wis_saa7115_driver = { .driver = { .name = "WIS SAA7115 I2C driver", }, - .id = I2C_DRIVERID_WIS_SAA7115, - .detach_client = wis_saa7115_detach, + .probe = wis_saa7115_probe, + .remove = wis_saa7115_remove, .command = wis_saa7115_command, + .id_table = wis_saa7115_id, }; static int __init wis_saa7115_init(void) { - int r; - - r = i2c_add_driver(&wis_saa7115_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_saa7115_driver.id, wis_saa7115_detect); + return i2c_add_driver(&wis_saa7115_driver); } static void __exit wis_saa7115_cleanup(void) { - wis_i2c_del_driver(wis_saa7115_detect); i2c_del_driver(&wis_saa7115_driver); } diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c index 0a7eeef7c00..c965c601ac9 100644 --- a/drivers/staging/go7007/wis-sony-tuner.c +++ b/drivers/staging/go7007/wis-sony-tuner.c @@ -653,35 +653,19 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) return 0; } -static struct i2c_driver wis_sony_tuner_driver; - -static struct i2c_client wis_sony_tuner_client_templ = { - .name = "Sony TV Tuner (WIS)", - .driver = &wis_sony_tuner_driver, -}; - -static int wis_sony_tuner_detect(struct i2c_adapter *adapter, - int addr, int kind) +static int wis_sony_tuner_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; struct wis_sony_tuner *t; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_sony_tuner_client_templ, - sizeof(wis_sony_tuner_client_templ)); - client->adapter = adapter; - client->addr = addr; + return -ENODEV; t = kmalloc(sizeof(struct wis_sony_tuner), GFP_KERNEL); - if (t == NULL) { - kfree(client); + if (t == NULL) return -ENOMEM; - } + t->type = -1; t->freq = 0; t->mpxmode = 0; @@ -690,50 +674,42 @@ static int wis_sony_tuner_detect(struct i2c_adapter *adapter, printk(KERN_DEBUG "wis-sony-tuner: initializing tuner at address %d on %s\n", - addr, adapter->name); - - i2c_attach_client(client); + client->addr, adapter->name); return 0; } -static int wis_sony_tuner_detach(struct i2c_client *client) +static int wis_sony_tuner_remove(struct i2c_client *client) { struct wis_sony_tuner *t = i2c_get_clientdata(client); - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; + i2c_set_clientdata(client, NULL); kfree(t); - kfree(client); return 0; } +static struct i2c_device_id wis_sony_tuner_id[] = { + { "wis_sony_tuner", 0 }, + { } +}; + static struct i2c_driver wis_sony_tuner_driver = { .driver = { .name = "WIS Sony TV Tuner I2C driver", }, - .id = I2C_DRIVERID_WIS_SONY_TUNER, - .detach_client = wis_sony_tuner_detach, + .probe = wis_sony_tuner_probe, + .remove = wis_sony_tuner_remove, .command = tuner_command, + .id_table = wis_sony_tuner_id, }; static int __init wis_sony_tuner_init(void) { - int r; - - r = i2c_add_driver(&wis_sony_tuner_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_sony_tuner_driver.id, - wis_sony_tuner_detect); + return i2c_add_driver(&wis_sony_tuner_driver); } static void __exit wis_sony_tuner_cleanup(void) { - wis_i2c_del_driver(wis_sony_tuner_detect); i2c_del_driver(&wis_sony_tuner_driver); } diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c index 57b8f2b1caa..e15794a2a0a 100644 --- a/drivers/staging/go7007/wis-tw2804.c +++ b/drivers/staging/go7007/wis-tw2804.c @@ -291,34 +291,19 @@ static int wis_tw2804_command(struct i2c_client *client, return 0; } -static struct i2c_driver wis_tw2804_driver; - -static struct i2c_client wis_tw2804_client_templ = { - .name = "TW2804 (WIS)", - .driver = &wis_tw2804_driver, -}; - -static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind) +static int wis_tw2804_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; struct wis_tw2804 *dec; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_tw2804_client_templ, - sizeof(wis_tw2804_client_templ)); - client->adapter = adapter; - client->addr = addr; + return -ENODEV; dec = kmalloc(sizeof(struct wis_tw2804), GFP_KERNEL); - if (dec == NULL) { - kfree(client); + if (dec == NULL) return -ENOMEM; - } + dec->channel = -1; dec->norm = V4L2_STD_NTSC; dec->brightness = 128; @@ -328,48 +313,42 @@ static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind) i2c_set_clientdata(client, dec); printk(KERN_DEBUG "wis-tw2804: creating TW2804 at address %d on %s\n", - addr, adapter->name); + client->addr, adapter->name); - i2c_attach_client(client); return 0; } -static int wis_tw2804_detach(struct i2c_client *client) +static int wis_tw2804_remove(struct i2c_client *client) { struct wis_tw2804 *dec = i2c_get_clientdata(client); - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - kfree(client); + i2c_set_clientdata(client, NULL); kfree(dec); return 0; } +static struct i2c_device_id wis_tw2804_id[] = { + { "wis_tw2804", 0 }, + { } +}; + static struct i2c_driver wis_tw2804_driver = { .driver = { .name = "WIS TW2804 I2C driver", }, - .id = I2C_DRIVERID_WIS_TW2804, - .detach_client = wis_tw2804_detach, + .probe = wis_tw2804_probe, + .remove = wis_tw2804_remove, .command = wis_tw2804_command, + .id_table = wis_tw2804_id, }; static int __init wis_tw2804_init(void) { - int r; - - r = i2c_add_driver(&wis_tw2804_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_tw2804_driver.id, wis_tw2804_detect); + return i2c_add_driver(&wis_tw2804_driver); } static void __exit wis_tw2804_cleanup(void) { - wis_i2c_del_driver(wis_tw2804_detect); i2c_del_driver(&wis_tw2804_driver); } diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c index 40627b282cb..6c3427bb6f4 100644 --- a/drivers/staging/go7007/wis-tw9903.c +++ b/drivers/staging/go7007/wis-tw9903.c @@ -267,34 +267,19 @@ static int wis_tw9903_command(struct i2c_client *client, return 0; } -static struct i2c_driver wis_tw9903_driver; - -static struct i2c_client wis_tw9903_client_templ = { - .name = "TW9903 (WIS)", - .driver = &wis_tw9903_driver, -}; - -static int wis_tw9903_detect(struct i2c_adapter *adapter, int addr, int kind) +static int wis_tw9903_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; struct wis_tw9903 *dec; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_tw9903_client_templ, - sizeof(wis_tw9903_client_templ)); - client->adapter = adapter; - client->addr = addr; + return -ENODEV; dec = kmalloc(sizeof(struct wis_tw9903), GFP_KERNEL); - if (dec == NULL) { - kfree(client); + if (dec == NULL) return -ENOMEM; - } + dec->norm = V4L2_STD_NTSC; dec->brightness = 0; dec->contrast = 0x60; @@ -303,55 +288,48 @@ static int wis_tw9903_detect(struct i2c_adapter *adapter, int addr, int kind) printk(KERN_DEBUG "wis-tw9903: initializing TW9903 at address %d on %s\n", - addr, adapter->name); + client->addr, adapter->name); if (write_regs(client, initial_registers) < 0) { printk(KERN_ERR "wis-tw9903: error initializing TW9903\n"); - kfree(client); kfree(dec); - return 0; + return -ENODEV; } - i2c_attach_client(client); return 0; } -static int wis_tw9903_detach(struct i2c_client *client) +static int wis_tw9903_remove(struct i2c_client *client) { struct wis_tw9903 *dec = i2c_get_clientdata(client); - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - kfree(client); + i2c_set_clientdata(client, NULL); kfree(dec); return 0; } +static struct i2c_device_id wis_tw9903_id[] = { + { "wis_tw9903", 0 }, + { } +}; + static struct i2c_driver wis_tw9903_driver = { .driver = { .name = "WIS TW9903 I2C driver", }, - .id = I2C_DRIVERID_WIS_TW9903, - .detach_client = wis_tw9903_detach, + .probe = wis_tw9903_probe, + .remove = wis_tw9903_remove, .command = wis_tw9903_command, + .id_table = wis_tw9903_id, }; static int __init wis_tw9903_init(void) { - int r; - - r = i2c_add_driver(&wis_tw9903_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_tw9903_driver.id, wis_tw9903_detect); + return i2c_add_driver(&wis_tw9903_driver); } static void __exit wis_tw9903_cleanup(void) { - wis_i2c_del_driver(wis_tw9903_detect); i2c_del_driver(&wis_tw9903_driver); } diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c index 555645c0cc1..739c7ae8913 100644 --- a/drivers/staging/go7007/wis-uda1342.c +++ b/drivers/staging/go7007/wis-uda1342.c @@ -59,73 +59,51 @@ static int wis_uda1342_command(struct i2c_client *client, return 0; } -static struct i2c_driver wis_uda1342_driver; - -static struct i2c_client wis_uda1342_client_templ = { - .name = "UDA1342 (WIS)", - .driver = &wis_uda1342_driver, -}; - -static int wis_uda1342_detect(struct i2c_adapter *adapter, int addr, int kind) +static int wis_uda1342_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_uda1342_client_templ, - sizeof(wis_uda1342_client_templ)); - client->adapter = adapter; - client->addr = addr; + return -ENODEV; printk(KERN_DEBUG "wis-uda1342: initializing UDA1342 at address %d on %s\n", - addr, adapter->name); + client->addr, adapter->name); write_reg(client, 0x00, 0x8000); /* reset registers */ write_reg(client, 0x00, 0x1241); /* select input 1 */ - i2c_attach_client(client); return 0; } -static int wis_uda1342_detach(struct i2c_client *client) +static int wis_uda1342_remove(struct i2c_client *client) { - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - - kfree(client); return 0; } +static struct i2c_device_id wis_uda1342_id[] = { + { "wis_uda1342", 0 }, + { } +}; + static struct i2c_driver wis_uda1342_driver = { .driver = { .name = "WIS UDA1342 I2C driver", }, - .id = I2C_DRIVERID_WIS_UDA1342, - .detach_client = wis_uda1342_detach, + .probe = wis_uda1342_probe, + .remove = wis_uda1342_remove, .command = wis_uda1342_command, + .id_table = wis_uda1342_id, }; static int __init wis_uda1342_init(void) { - int r; - - r = i2c_add_driver(&wis_uda1342_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_uda1342_driver.id, wis_uda1342_detect); + return i2c_add_driver(&wis_uda1342_driver); } static void __exit wis_uda1342_cleanup(void) { - wis_i2c_del_driver(wis_uda1342_detect); i2c_del_driver(&wis_uda1342_driver); } diff --git a/drivers/staging/rt2870/rt2870.h b/drivers/staging/rt2870/rt2870.h index a42caa37080..a69cf338e49 100644 --- a/drivers/staging/rt2870/rt2870.h +++ b/drivers/staging/rt2870/rt2870.h @@ -145,6 +145,7 @@ {USB_DEVICE(0x0789,0x0162)}, /* Logitec */ \ {USB_DEVICE(0x0789,0x0163)}, /* Logitec */ \ {USB_DEVICE(0x0789,0x0164)}, /* Logitec */ \ + {USB_DEVICE(0x7392,0x7717)}, /* Edimax */ \ { }/* Terminating entry */ \ } diff --git a/drivers/staging/rtl8187se/r8180.h b/drivers/staging/rtl8187se/r8180.h index 12215fc61dd..db446b7e2e0 100644 --- a/drivers/staging/rtl8187se/r8180.h +++ b/drivers/staging/rtl8187se/r8180.h @@ -19,7 +19,7 @@ #define R8180H -#define RTL8180_MODULE_NAME "rtl8180" +#define RTL8180_MODULE_NAME "r8180" #define DMESG(x,a...) printk(KERN_INFO RTL8180_MODULE_NAME ": " x "\n", ## a) #define DMESGW(x,a...) printk(KERN_WARNING RTL8180_MODULE_NAME ": WW:" x "\n", ## a) #define DMESGE(x,a...) printk(KERN_WARNING RTL8180_MODULE_NAME ": EE:" x "\n", ## a) diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c index 6ecd12de429..e10413cee0d 100644 --- a/drivers/staging/rtl8187se/r8180_core.c +++ b/drivers/staging/rtl8187se/r8180_core.c @@ -640,11 +640,9 @@ void rtl8180_proc_init_one(struct net_device *dev) { struct proc_dir_entry *e; struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); - priv->dir_dev = create_proc_entry(dev->name, - S_IFDIR | S_IRUGO | S_IXUGO, - rtl8180_proc); + priv->dir_dev = rtl8180_proc; if (!priv->dir_dev) { - DMESGE("Unable to initialize /proc/net/rtl8180/%s\n", + DMESGE("Unable to initialize /proc/net/r8180/%s\n", dev->name); return; } @@ -654,7 +652,7 @@ void rtl8180_proc_init_one(struct net_device *dev) if (!e) { DMESGE("Unable to initialize " - "/proc/net/rtl8180/%s/stats-hw\n", + "/proc/net/r8180/%s/stats-hw\n", dev->name); } @@ -663,7 +661,7 @@ void rtl8180_proc_init_one(struct net_device *dev) if (!e) { DMESGE("Unable to initialize " - "/proc/net/rtl8180/%s/stats-rx\n", + "/proc/net/r8180/%s/stats-rx\n", dev->name); } @@ -673,7 +671,7 @@ void rtl8180_proc_init_one(struct net_device *dev) if (!e) { DMESGE("Unable to initialize " - "/proc/net/rtl8180/%s/stats-tx\n", + "/proc/net/r8180/%s/stats-tx\n", dev->name); } #if 0 @@ -702,7 +700,7 @@ void rtl8180_proc_init_one(struct net_device *dev) if (!e) { DMESGE("Unable to initialize " - "/proc/net/rtl8180/%s/registers\n", + "/proc/net/r8180/%s/registers\n", dev->name); } } @@ -977,13 +975,6 @@ void check_tx_ring(struct net_device *dev, int pri) *tmp & (1<<15)? "ok": "err", *(tmp+4)); } - DMESG("nic at %d", - (nic-nicbegin) / 8 /4); - DMESG("tail at %d", ((int)tail - (int)begin) /8 /4); - DMESG("head at %d", ((int)head - (int)begin) /8 /4); - DMESG("check free desc returns %d", check_nic_enought_desc(dev,pri)); - DMESG("free desc is %d\n", get_curr_tx_free_desc(dev,pri)); - //rtl8180_reset(dev); return; } @@ -1736,17 +1727,7 @@ short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count, * descriptor's buffer must be 256 byte aligned * we shouldn't be here, since we set DMA mask ! */ - DMESGW("Fixing TX alignment"); - desc = (u32*)((u8*)desc + 256); -#if (defined(CONFIG_HIGHMEM64G) || defined(CONFIG_64BIT_PHYS_ADDR)) - desc = (u32*)((u64)desc &~ 0xff); - dma_desc = (dma_addr_t)((u8*)dma_desc + 256); - dma_desc = (dma_addr_t)((u64)dma_desc &~ 0xff); -#else - desc = (u32*)((u32)desc &~ 0xff); - dma_desc = (dma_addr_t)((u8*)dma_desc + 256); - dma_desc = (dma_addr_t)((u32)dma_desc &~ 0xff); -#endif + WARN(1, "DMA buffer is not aligned\n"); } tmp=desc; for (i=0;i<count;i++) @@ -1984,18 +1965,7 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count) * descriptor's buffer must be 256 byte aligned * should never happen since we specify the DMA mask */ - - DMESGW("Fixing RX alignment"); - desc = (u32*)((u8*)desc + 256); -#if (defined(CONFIG_HIGHMEM64G) || defined(CONFIG_64BIT_PHYS_ADDR)) - desc = (u32*)((u64)desc &~ 0xff); - dma_desc = (dma_addr_t)((u8*)dma_desc + 256); - dma_desc = (dma_addr_t)((u64)dma_desc &~ 0xff); -#else - desc = (u32*)((u32)desc &~ 0xff); - dma_desc = (dma_addr_t)((u8*)dma_desc + 256); - dma_desc = (dma_addr_t)((u32)dma_desc &~ 0xff); -#endif + WARN(1, "DMA buffer is not aligned\n"); } priv->rxring=desc; diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c index 9c3f9439f35..3b2d52819b4 100644 --- a/drivers/staging/winbond/wbusb.c +++ b/drivers/staging/winbond/wbusb.c @@ -386,7 +386,7 @@ static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id if (err) goto error_free_hw; - usb_set_intfdata(intf, priv); + usb_set_intfdata(intf, dev); return 0; @@ -415,10 +415,15 @@ static void wb35_hw_halt(struct wbsoft_priv *adapter) static void wb35_disconnect(struct usb_interface *intf) { - struct wbsoft_priv *priv = usb_get_intfdata(intf); + struct ieee80211_hw *hw = usb_get_intfdata(intf); + struct wbsoft_priv *priv = hw->priv; wb35_hw_halt(priv); + ieee80211_stop_queues(hw); + ieee80211_unregister_hw(hw); + ieee80211_free_hw(hw); + usb_set_intfdata(intf, NULL); usb_put_dev(interface_to_usbdev(intf)); } diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index d0b093b66ad..5e38ba10a3a 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -961,7 +961,7 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) switch (trip_type) { case THERMAL_TRIP_CRITICAL: - if (temp > trip_temp) { + if (temp >= trip_temp) { if (tz->ops->notify) ret = tz->ops->notify(tz, count, trip_type); @@ -974,7 +974,7 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) } break; case THERMAL_TRIP_HOT: - if (temp > trip_temp) + if (temp >= trip_temp) if (tz->ops->notify) tz->ops->notify(tz, count, trip_type); break; @@ -986,14 +986,14 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) cdev = instance->cdev; - if (temp > trip_temp) + if (temp >= trip_temp) cdev->ops->set_cur_state(cdev, 1); else cdev->ops->set_cur_state(cdev, 0); } break; case THERMAL_TRIP_PASSIVE: - if (temp > trip_temp || tz->passive) + if (temp >= trip_temp || tz->passive) thermal_zone_device_passive(tz, temp, trip_temp, count); break; diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 89299a5ce16..0a3dc5ece63 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -11,7 +11,6 @@ obj-$(CONFIG_USB_MON) += mon/ obj-$(CONFIG_PCI) += host/ obj-$(CONFIG_USB_EHCI_HCD) += host/ obj-$(CONFIG_USB_ISP116X_HCD) += host/ -obj-$(CONFIG_USB_ISP1760_HCD) += host/ obj-$(CONFIG_USB_OHCI_HCD) += host/ obj-$(CONFIG_USB_UHCI_HCD) += host/ obj-$(CONFIG_USB_FHCI_HCD) += host/ @@ -27,6 +26,8 @@ obj-$(CONFIG_USB_WUSB) += wusbcore/ obj-$(CONFIG_USB_ACM) += class/ obj-$(CONFIG_USB_PRINTER) += class/ +obj-$(CONFIG_USB_WDM) += class/ +obj-$(CONFIG_USB_TMC) += class/ obj-$(CONFIG_USB_STORAGE) += storage/ obj-$(CONFIG_USB) += storage/ diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 6789089e246..56802d2e994 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -227,8 +227,14 @@ static ssize_t cxacru_sysfs_showattr_s8(s8 value, char *buf) static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d.%02u\n", - value / 100, abs(value) % 100); + if (likely(value >= 0)) { + return snprintf(buf, PAGE_SIZE, "%u.%02u\n", + value / 100, value % 100); + } else { + value = -value; + return snprintf(buf, PAGE_SIZE, "-%u.%02u\n", + value / 100, value % 100); + } } static ssize_t cxacru_sysfs_showattr_bool(u32 value, char *buf) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 0a69c0977e3..7a1164dd1d3 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1375,6 +1375,9 @@ static struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0572, 0x1324), /* Conexant USB MODEM RD02-D400 */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */ + .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ + }, { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */ }, { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */ diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 34e6108e1d4..0fe434505ac 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -3,7 +3,7 @@ * * This driver supports USB CDC WCM Device Management. * - * Copyright (c) 2007-2008 Oliver Neukum + * Copyright (c) 2007-2009 Oliver Neukum * * Some code taken from cdc-acm.c * @@ -610,7 +610,7 @@ static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id) if (!buffer) goto out; - while (buflen > 0) { + while (buflen > 2) { if (buffer [1] != USB_DT_CS_INTERFACE) { dev_err(&intf->dev, "skipping garbage\n"); goto next_desc; @@ -646,16 +646,18 @@ next_desc: spin_lock_init(&desc->iuspin); init_waitqueue_head(&desc->wait); desc->wMaxCommand = maxcom; + /* this will be expanded and needed in hardware endianness */ desc->inum = cpu_to_le16((u16)intf->cur_altsetting->desc.bInterfaceNumber); desc->intf = intf; INIT_WORK(&desc->rxwork, wdm_rxwork); - iface = &intf->altsetting[0]; + rv = -EINVAL; + iface = intf->cur_altsetting; + if (iface->desc.bNumEndpoints != 1) + goto err; ep = &iface->endpoint[0].desc; - if (!ep || !usb_endpoint_is_int_in(ep)) { - rv = -EINVAL; + if (!ep || !usb_endpoint_is_int_in(ep)) goto err; - } desc->wMaxPacketSize = le16_to_cpu(ep->wMaxPacketSize); desc->bMaxPacketSize0 = udev->descriptor.bMaxPacketSize0; @@ -711,12 +713,19 @@ next_desc: usb_set_intfdata(intf, desc); rv = usb_register_dev(intf, &wdm_class); - dev_info(&intf->dev, "cdc-wdm%d: USB WDM device\n", - intf->minor - WDM_MINOR_BASE); if (rv < 0) - goto err; + goto err3; + else + dev_info(&intf->dev, "cdc-wdm%d: USB WDM device\n", + intf->minor - WDM_MINOR_BASE); out: return rv; +err3: + usb_set_intfdata(intf, NULL); + usb_buffer_free(interface_to_usbdev(desc->intf), + desc->bMaxPacketSize0, + desc->inbuf, + desc->response->transfer_dma); err2: usb_buffer_free(interface_to_usbdev(desc->intf), desc->wMaxPacketSize, diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index cadb2dc1d28..3ba2fff7149 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -119,7 +119,7 @@ void *hcd_buffer_alloc( if (size <= pool_max [i]) return dma_pool_alloc(hcd->pool [i], mem_flags, dma); } - return dma_alloc_coherent(hcd->self.controller, size, dma, 0); + return dma_alloc_coherent(hcd->self.controller, size, dma, mem_flags); } void hcd_buffer_free( diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index 563d5727544..05c913cc365 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -794,7 +794,8 @@ usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) if (ep->desc) { list_add_tail(&req->queue, &ep->queue); - if (ep->is_in || (ep_is_control(ep) + if ((!ep_is_control(ep) && ep->is_in) || + (ep_is_control(ep) && (ep->state == DATA_STAGE_IN || ep->state == STATUS_STAGE_IN))) usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY); @@ -1940,7 +1941,7 @@ static int __init usba_udc_probe(struct platform_device *pdev) usba_writel(udc, CTRL, USBA_DISABLE_MASK); clk_disable(pclk); - usba_ep = kmalloc(sizeof(struct usba_ep) * pdata->num_ep, + usba_ep = kzalloc(sizeof(struct usba_ep) * pdata->num_ep, GFP_KERNEL); if (!usba_ep) goto err_alloc_ep; diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 22c65960c42..38e531ecae4 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -51,6 +51,7 @@ * - Gadget API (majority of optional features) * - Suspend & Remote Wakeup */ +#include <linux/delay.h> #include <linux/device.h> #include <linux/dmapool.h> #include <linux/dma-mapping.h> @@ -142,7 +143,7 @@ static struct { #define CAP_DEVICEADDR (0x014UL) #define CAP_ENDPTLISTADDR (0x018UL) #define CAP_PORTSC (0x044UL) -#define CAP_DEVLC (0x0B4UL) +#define CAP_DEVLC (0x084UL) #define CAP_USBMODE (hw_bank.lpm ? 0x0C8UL : 0x068UL) #define CAP_ENDPTSETUPSTAT (hw_bank.lpm ? 0x0D8UL : 0x06CUL) #define CAP_ENDPTPRIME (hw_bank.lpm ? 0x0DCUL : 0x070UL) @@ -1986,6 +1987,8 @@ static int ep_enable(struct usb_ep *ep, do { dbg_event(_usb_addr(mEp), "ENABLE", 0); + mEp->qh[mEp->dir].ptr->cap = 0; + if (mEp->type == USB_ENDPOINT_XFER_CONTROL) mEp->qh[mEp->dir].ptr->cap |= QH_IOS; else if (mEp->type == USB_ENDPOINT_XFER_ISOC) diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 5c030b080d4..381a53b3e11 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -738,7 +738,6 @@ static struct fsg_dev *the_fsg; static struct usb_gadget_driver fsg_driver; static void close_backing_file(struct lun *curlun); -static void close_all_backing_files(struct fsg_dev *fsg); /*-------------------------------------------------------------------------*/ @@ -3593,12 +3592,10 @@ static int fsg_main_thread(void *fsg_) fsg->thread_task = NULL; spin_unlock_irq(&fsg->lock); - /* In case we are exiting because of a signal, unregister the - * gadget driver and close the backing file. */ - if (test_and_clear_bit(REGISTERED, &fsg->atomic_bitflags)) { + /* If we are exiting because of a signal, unregister the + * gadget driver. */ + if (test_and_clear_bit(REGISTERED, &fsg->atomic_bitflags)) usb_gadget_unregister_driver(&fsg_driver); - close_all_backing_files(fsg); - } /* Let the unbind and cleanup routines know the thread has exited */ complete_and_exit(&fsg->thread_notifier, 0); @@ -3703,14 +3700,6 @@ static void close_backing_file(struct lun *curlun) } } -static void close_all_backing_files(struct fsg_dev *fsg) -{ - int i; - - for (i = 0; i < fsg->nluns; ++i) - close_backing_file(&fsg->luns[i]); -} - static ssize_t show_ro(struct device *dev, struct device_attribute *attr, char *buf) { @@ -3845,6 +3834,7 @@ static void /* __init_or_exit */ fsg_unbind(struct usb_gadget *gadget) if (curlun->registered) { device_remove_file(&curlun->dev, &dev_attr_ro); device_remove_file(&curlun->dev, &dev_attr_file); + close_backing_file(curlun); device_unregister(&curlun->dev); curlun->registered = 0; } @@ -4190,7 +4180,6 @@ autoconf_fail: out: fsg->state = FSG_STATE_TERMINATED; // The thread is dead fsg_unbind(gadget); - close_all_backing_files(fsg); complete(&fsg->thread_notifier); return rc; } @@ -4284,7 +4273,6 @@ static void __exit fsg_cleanup(void) /* Wait for the thread to finish up */ wait_for_completion(&fsg->thread_notifier); - close_all_backing_files(fsg); kref_put(&fsg->ref, fsg_release); } module_exit(fsg_cleanup); diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 57d9641c6bf..a2db0e174f2 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -3104,7 +3104,6 @@ static int omap_udc_resume(struct platform_device *dev) /*-------------------------------------------------------------------------*/ static struct platform_driver udc_driver = { - .probe = omap_udc_probe, .remove = __exit_p(omap_udc_remove), .suspend = omap_udc_suspend, .resume = omap_udc_resume, @@ -3122,7 +3121,7 @@ static int __init udc_init(void) #endif "%s\n", driver_desc, use_dma ? " (dma)" : ""); - return platform_driver_register(&udc_driver); + return platform_driver_probe(&udc_driver, omap_udc_probe); } module_init(udc_init); diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c index 4154be375c7..58c4d37d312 100644 --- a/drivers/usb/gadget/usbstring.c +++ b/drivers/usb/gadget/usbstring.c @@ -38,7 +38,7 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len) uchar = (c & 0x1f) << 6; c = (u8) *s++; - if ((c & 0xc0) != 0xc0) + if ((c & 0xc0) != 0x80) goto fail; c &= 0x3f; uchar |= c; @@ -49,13 +49,13 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len) uchar = (c & 0x0f) << 12; c = (u8) *s++; - if ((c & 0xc0) != 0xc0) + if ((c & 0xc0) != 0x80) goto fail; c &= 0x3f; uchar |= c << 6; c = (u8) *s++; - if ((c & 0xc0) != 0xc0) + if ((c & 0xc0) != 0x80) goto fail; c &= 0x3f; uchar |= c; diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index ada5d2ba297..556d0ec0c1f 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -323,7 +323,7 @@ static int tt_available ( * already scheduled transactions */ if (125 < usecs) { - int ufs = (usecs / 125) - 1; + int ufs = (usecs / 125); int i; for (i = uframe; i < (uframe + ufs) && i < 8; i++) if (0 < tt_usecs[i]) { diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index cd07ea3f0c6..15438469f21 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -1658,6 +1658,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, u32 reg_base, or_reg, skip_reg; unsigned long flags; struct ptd ptd; + packet_enqueue *pe; switch (usb_pipetype(urb->pipe)) { case PIPE_ISOCHRONOUS: @@ -1669,6 +1670,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, reg_base = INT_REGS_OFFSET; or_reg = HC_INT_IRQ_MASK_OR_REG; skip_reg = HC_INT_PTD_SKIPMAP_REG; + pe = enqueue_an_INT_packet; break; default: @@ -1676,6 +1678,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, reg_base = ATL_REGS_OFFSET; or_reg = HC_ATL_IRQ_MASK_OR_REG; skip_reg = HC_ATL_PTD_SKIPMAP_REG; + pe = enqueue_an_ATL_packet; break; } @@ -1687,6 +1690,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, u32 skip_map; u32 or_map; struct isp1760_qtd *qtd; + struct isp1760_qh *qh = ints->qh; skip_map = isp1760_readl(hcd->regs + skip_reg); skip_map |= 1 << i; @@ -1699,8 +1703,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, priv_write_copy(priv, (u32 *)&ptd, hcd->regs + reg_base + i * sizeof(ptd), sizeof(ptd)); qtd = ints->qtd; - - clean_up_qtdlist(qtd); + qtd = clean_up_qtdlist(qtd); free_mem(priv, ints->payload); @@ -1711,7 +1714,24 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, ints->payload = 0; isp1760_urb_done(priv, urb, status); + if (qtd) + pe(hcd, qh, qtd); break; + + } else if (ints->qtd) { + struct isp1760_qtd *qtd, *prev_qtd = ints->qtd; + + for (qtd = ints->qtd->hw_next; qtd; qtd = qtd->hw_next) { + if (qtd->urb == urb) { + prev_qtd->hw_next = clean_up_qtdlist(qtd); + isp1760_urb_done(priv, urb, status); + break; + } + prev_qtd = qtd; + } + /* we found the urb before the end of the list */ + if (qtd) + break; } ints++; } diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 0112353ec97..4000cf6d1e8 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2191,7 +2191,7 @@ static int musb_resume_early(struct platform_device *pdev) #else #define musb_suspend NULL -#define musb_resume NULL +#define musb_resume_early NULL #endif static struct platform_driver musb_driver = { diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 901dffdf23b..60924ce0849 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -3,7 +3,6 @@ * Some code has been taken from tusb6010.c * Copyrights for that are attributable to: * Copyright (C) 2006 Nokia Corporation - * Jarkko Nikula <jarkko.nikula@nokia.com> * Tony Lindgren <tony@atomide.com> * * This file is part of the Inventra Controller Driver for Linux. diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 9e20fd070d7..4ac1477d356 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -2,7 +2,6 @@ * TUSB6010 USB 2.0 OTG Dual Role controller * * Copyright (C) 2006 Nokia Corporation - * Jarkko Nikula <jarkko.nikula@nokia.com> * Tony Lindgren <tony@atomide.com> * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/usb/musb/tusb6010.h b/drivers/usb/musb/tusb6010.h index ab8c96286ce..35c933a5d99 100644 --- a/drivers/usb/musb/tusb6010.h +++ b/drivers/usb/musb/tusb6010.h @@ -2,7 +2,6 @@ * Definitions for TUSB6010 USB 2.0 OTG Dual Role controller * * Copyright (C) 2006 Nokia Corporation - * Jarkko Nikula <jarkko.nikula@nokia.com> * Tony Lindgren <tony@atomide.com> * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/usb/otg/otg.c b/drivers/usb/otg/otg.c index ff318fae7d4..0a43a7db750 100644 --- a/drivers/usb/otg/otg.c +++ b/drivers/usb/otg/otg.c @@ -43,7 +43,8 @@ EXPORT_SYMBOL(otg_get_transceiver); */ void otg_put_transceiver(struct otg_transceiver *x) { - put_device(x->dev); + if (x) + put_device(x->dev); } EXPORT_SYMBOL(otg_put_transceiver); diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 858bdd038fb..dd501bb63ed 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -175,13 +175,6 @@ static int cyberjack_open(struct tty_struct *tty, dbg("%s - usb_clear_halt", __func__); usb_clear_halt(port->serial->dev, port->write_urb->pipe); - /* force low_latency on so that our tty_push actually forces - * the data through, otherwise it is scheduled, and with high - * data rates (like with OHCI) data can get lost. - */ - if (tty) - tty->low_latency = 1; - priv = usb_get_serial_port_data(port); spin_lock_irqsave(&priv->lock, flags); priv->rdtodo = 0; diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index eae4740d448..e568710b263 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -656,10 +656,6 @@ static int cypress_open(struct tty_struct *tty, priv->rx_flags = 0; spin_unlock_irqrestore(&priv->lock, flags); - /* setting to zero could cause data loss */ - if (tty) - tty->low_latency = 1; - /* raise both lines and set termios */ spin_lock_irqsave(&priv->lock, flags); priv->line_control = CONTROL_DTR | CONTROL_RTS; diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index 8a69cce40b6..c709ec474a8 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -478,12 +478,6 @@ static void empeg_set_termios(struct tty_struct *tty, termios->c_cflag |= CS8; /* character size 8 bits */ - /* - * Force low_latency on; otherwise the pushes are scheduled; - * this is bad as it opens up the possibility of dropping bytes - * on the floor. We don't want to drop bytes on the floor. :) - */ - tty->low_latency = 1; tty_encode_baud_rate(tty, 115200, 115200); } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 8100f1d2590..d9fcdaedf38 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -56,6 +56,7 @@ static __u16 vendor = FTDI_VID; static __u16 product; struct ftdi_private { + struct kref kref; ftdi_chip_type_t chip_type; /* type of device, either SIO or FT8U232AM */ int baud_base; /* baud base clock for divisor setting */ @@ -669,6 +670,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(ADI_VID, ADI_GNICE_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) }, + { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -1352,6 +1355,7 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port) return -ENOMEM; } + kref_init(&priv->kref); spin_lock_init(&priv->rx_lock); spin_lock_init(&priv->tx_lock); init_waitqueue_head(&priv->delta_msr_wait); @@ -1468,6 +1472,13 @@ static void ftdi_shutdown(struct usb_serial *serial) dbg("%s", __func__); } +static void ftdi_sio_priv_release(struct kref *k) +{ + struct ftdi_private *priv = container_of(k, struct ftdi_private, kref); + + kfree(priv); +} + static int ftdi_sio_port_remove(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); @@ -1476,14 +1487,7 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port) remove_sysfs_attrs(port); - /* all open ports are closed at this point - * (by usbserial.c:__serial_close, which calls ftdi_close) - */ - - if (priv) { - usb_set_serial_port_data(port, NULL); - kfree(priv); - } + kref_put(&priv->kref, ftdi_sio_priv_release); return 0; } @@ -1547,7 +1551,8 @@ static int ftdi_open(struct tty_struct *tty, dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", __func__, result); - + else + kref_get(&priv->kref); return result; } /* ftdi_open */ @@ -1589,11 +1594,11 @@ static void ftdi_close(struct tty_struct *tty, mutex_unlock(&port->serial->disc_mutex); /* cancel any scheduled reading */ - cancel_delayed_work(&priv->rx_work); - flush_scheduled_work(); + cancel_delayed_work_sync(&priv->rx_work); /* shutdown our bulk read */ usb_kill_urb(port->read_urb); + kref_put(&priv->kref, ftdi_sio_priv_release); } /* ftdi_close */ diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index c09f658a448..12330fa1c09 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -920,6 +920,12 @@ #define JETI_SPC1201_PID 0x04b2 /* + * Marvell SheevaPlug + */ +#define MARVELL_VID 0x9e88 +#define MARVELL_SHEEVAPLUG_PID 0x9e8f + +/* * BmRequestType: 1100 0000b * bRequest: FTDI_E2_READ * wValue: 0 diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index a26a0e2cdb4..586d30ff450 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -973,14 +973,6 @@ static int garmin_open(struct tty_struct *tty, dbg("%s - port %d", __func__, port->number); - /* - * Force low_latency on so that our tty_push actually forces the data - * through, otherwise it is scheduled, and with high data rates (like - * with OHCI) data can get lost. - */ - if (tty) - tty->low_latency = 1; - spin_lock_irqsave(&garmin_data_p->lock, flags); garmin_data_p->mode = initial_mode; garmin_data_p->count = 0; diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 9d57cace373..4cec9906ccf 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -122,12 +122,6 @@ int usb_serial_generic_open(struct tty_struct *tty, dbg("%s - port %d", __func__, port->number); - /* force low_latency on so that our tty_push actually forces the data - through, otherwise it is scheduled, and with high data rates (like - with OHCI) data can get lost. */ - if (tty) - tty->low_latency = 1; - /* clear the throttle flags */ spin_lock_irqsave(&port->lock, flags); port->throttled = 0; diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index e85c8c0d1ad..fb4a73d090f 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -193,8 +193,6 @@ static const struct divisor_table_entry divisor_table[] = { /* local variables */ static int debug; -static int low_latency = 1; /* tty low latency flag, on by default */ - static atomic_t CmdUrbs; /* Number of outstanding Command Write Urbs */ @@ -867,9 +865,6 @@ static int edge_open(struct tty_struct *tty, if (edge_port == NULL) return -ENODEV; - if (tty) - tty->low_latency = low_latency; - /* see if we've set up our endpoint info yet (can't set it up in edge_startup as the structures were not set up at that time.) */ serial = port->serial; @@ -3299,6 +3294,3 @@ MODULE_FIRMWARE("edgeport/down2.fw"); module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug enabled or not"); - -module_param(low_latency, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(low_latency, "Low latency enabled or not"); diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index c3cdd00ddc4..513b25e044c 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -76,7 +76,6 @@ struct edgeport_uart_buf_desc { #define EDGE_READ_URB_STOPPING 1 #define EDGE_READ_URB_STOPPED 2 -#define EDGE_LOW_LATENCY 1 #define EDGE_CLOSING_WAIT 4000 /* in .01 sec */ #define EDGE_OUT_BUF_SIZE 1024 @@ -232,7 +231,6 @@ static unsigned short OperationalBuildNumber; static int debug; -static int low_latency = EDGE_LOW_LATENCY; static int closing_wait = EDGE_CLOSING_WAIT; static int ignore_cpu_rev; static int default_uart_mode; /* RS232 */ @@ -1850,9 +1848,6 @@ static int edge_open(struct tty_struct *tty, if (edge_port == NULL) return -ENODEV; - if (tty) - tty->low_latency = low_latency; - port_number = port->number - port->serial->minor; switch (port_number) { case 0: @@ -3008,9 +3003,6 @@ MODULE_FIRMWARE("edgeport/down3.bin"); module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug enabled or not"); -module_param(low_latency, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(low_latency, "Low latency enabled or not"); - module_param(closing_wait, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs"); diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index ef92095b073..cd62825a9ac 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -631,13 +631,7 @@ static int ipaq_open(struct tty_struct *tty, priv->free_len += PACKET_SIZE; } - /* - * Force low latency on. This will immediately push data to the line - * discipline instead of queueing. - */ - if (tty) { - tty->low_latency = 1; /* FIXME: These two are bogus */ tty->raw = 1; tty->real_raw = 1; diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index f530032ed93..da2a2b46644 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -207,9 +207,6 @@ static int ipw_open(struct tty_struct *tty, if (!buf_flow_init) return -ENOMEM; - if (tty) - tty->low_latency = 1; - /* --1: Tell the modem to initialize (we think) From sniffs this is * always the first thing that gets sent to the modem during * opening of the device */ diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 2314c6ae4fc..4473d442b2a 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -1051,7 +1051,6 @@ static int iuu_open(struct tty_struct *tty, tty->termios->c_oflag = 0; tty->termios->c_iflag = 0; priv->termios_initialized = 1; - tty->low_latency = 1; priv->poll = 0; } spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 6286baad939..c148544953b 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -231,13 +231,7 @@ static int kobil_open(struct tty_struct *tty, /* someone sets the dev to 0 if the close method has been called */ port->interrupt_in_urb->dev = port->serial->dev; - - /* force low_latency on so that our tty_push actually forces - * the data through, otherwise it is scheduled, and with high - * data rates (like with OHCI) data can get lost. - */ if (tty) { - tty->low_latency = 1; /* Default to echo off and other sane device settings */ tty->termios->c_lflag = 0; diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index e772cc0a97f..24e3b5d4b4d 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -446,13 +446,6 @@ static int mos7720_open(struct tty_struct *tty, data = 0x0c; send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data); - /* force low_latency on so that our tty_push actually forces * - * the data through,otherwise it is scheduled, and with * - * high data rates (like with OHCI) data can get lost. */ - - if (tty) - tty->low_latency = 1; - /* see if we've set up our endpoint info yet * * (can't set it up in mos7720_startup as the * * structures were not set up at that time.) */ diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 2c20e88a91b..84fb1dcd30d 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -38,7 +38,7 @@ /* * Version Information */ -#define DRIVER_VERSION "1.3.1" +#define DRIVER_VERSION "1.3.2" #define DRIVER_DESC "Moschip 7840/7820 USB Serial Driver" /* @@ -123,6 +123,11 @@ #define BANDB_DEVICE_ID_USOPTL4_4 0xAC44 #define BANDB_DEVICE_ID_USOPTL4_2 0xAC42 +/* This driver also supports the ATEN UC2324 device since it is mos7840 based + * - if I knew the device id it would also support the ATEN UC2322 */ +#define USB_VENDOR_ID_ATENINTL 0x0557 +#define ATENINTL_DEVICE_ID_UC2324 0x2011 + /* Interrupt Routine Defines */ #define SERIAL_IIR_RLS 0x06 @@ -170,6 +175,7 @@ static struct usb_device_id moschip_port_id_table[] = { {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)}, {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)}, {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2)}, + {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)}, {} /* terminating entry */ }; @@ -178,6 +184,7 @@ static __devinitdata struct usb_device_id moschip_id_table_combined[] = { {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)}, {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)}, {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2)}, + {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)}, {} /* terminating entry */ }; @@ -1000,12 +1007,6 @@ static int mos7840_open(struct tty_struct *tty, status = mos7840_set_reg_sync(port, mos7840_port->ControlRegOffset, Data); - /* force low_latency on so that our tty_push actually forces * - * the data through,otherwise it is scheduled, and with * - * high data rates (like with OHCI) data can get lost. */ - if (tty) - tty->low_latency = 1; - /* Check to see if we've set up our endpoint info yet * * (can't set it up in mos7840_startup as the structures * * were not set up at that time.) */ @@ -2477,9 +2478,14 @@ static int mos7840_startup(struct usb_serial *serial) mos7840_set_port_private(serial->port[i], mos7840_port); spin_lock_init(&mos7840_port->pool_lock); - mos7840_port->port_num = ((serial->port[i]->number - - (serial->port[i]->serial->minor)) + - 1); + /* minor is not initialised until later by + * usb-serial.c:get_free_serial() and cannot therefore be used + * to index device instances */ + mos7840_port->port_num = i + 1; + dbg ("serial->port[i]->number = %d", serial->port[i]->number); + dbg ("serial->port[i]->serial->minor = %d", serial->port[i]->serial->minor); + dbg ("mos7840_port->port_num = %d", mos7840_port->port_num); + dbg ("serial->minor = %d", serial->minor); if (mos7840_port->port_num == 1) { mos7840_port->SpRegOffset = 0x0; @@ -2690,13 +2696,16 @@ static void mos7840_shutdown(struct usb_serial *serial) for (i = 0; i < serial->num_ports; ++i) { mos7840_port = mos7840_get_port_private(serial->port[i]); - spin_lock_irqsave(&mos7840_port->pool_lock, flags); - mos7840_port->zombie = 1; - spin_unlock_irqrestore(&mos7840_port->pool_lock, flags); - usb_kill_urb(mos7840_port->control_urb); - kfree(mos7840_port->ctrl_buf); - kfree(mos7840_port->dr); - kfree(mos7840_port); + dbg ("mos7840_port %d = %p", i, mos7840_port); + if (mos7840_port) { + spin_lock_irqsave(&mos7840_port->pool_lock, flags); + mos7840_port->zombie = 1; + spin_unlock_irqrestore(&mos7840_port->pool_lock, flags); + usb_kill_urb(mos7840_port->control_urb); + kfree(mos7840_port->ctrl_buf); + kfree(mos7840_port->dr); + kfree(mos7840_port); + } mos7840_set_port_private(serial->port[i], NULL); } diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 839583dc8b6..b500ad10b75 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -159,14 +159,6 @@ static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port, priv->port = port; spin_unlock_irqrestore(&priv->lock, flags); - /* - * Force low_latency on so that our tty_push actually forces the data - * through, otherwise it is scheduled, and with high data rates (like - * with OHCI) data can get lost. - */ - if (tty) - tty->low_latency = 1; - /* Start reading from the device */ usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev, usb_rcvbulkpipe(priv->udev, diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 47bd070f24b..7817b82889c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -936,9 +936,6 @@ static int option_open(struct tty_struct *tty, usb_pipeout(urb->pipe), 0); */ } - if (tty) - tty->low_latency = 1; - option_send_setup(tty, port); return 0; diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index d9bf9a5c20e..913225c6161 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -14,7 +14,7 @@ Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org> */ -#define DRIVER_VERSION "v.1.3.2" +#define DRIVER_VERSION "v.1.3.3" #define DRIVER_AUTHOR "Kevin Lloyd <klloyd@sierrawireless.com>" #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" @@ -259,9 +259,21 @@ static int sierra_send_setup(struct tty_struct *tty, val |= 0x02; /* If composite device then properly report interface */ - if (serial->num_ports == 1) + if (serial->num_ports == 1) { interface = sierra_calc_interface(serial); + /* Control message is sent only to interfaces with + * interrupt_in endpoints + */ + if (port->interrupt_in_urb) { + /* send control message */ + return usb_control_msg(serial->dev, + usb_rcvctrlpipe(serial->dev, 0), + 0x22, 0x21, val, interface, + NULL, 0, USB_CTRL_SET_TIMEOUT); + } + } + /* Otherwise the need to do non-composite mapping */ else { if (port->bulk_out_endpointAddress == 2) @@ -270,12 +282,13 @@ static int sierra_send_setup(struct tty_struct *tty, interface = 1; else if (port->bulk_out_endpointAddress == 5) interface = 2; - } - return usb_control_msg(serial->dev, + return usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT); + + } } return 0; @@ -585,9 +598,6 @@ static int sierra_open(struct tty_struct *tty, } } - if (tty) - tty->low_latency = 1; - sierra_send_setup(tty, port); /* start up the interrupt endpoint if we have one */ diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 9c4c700c7cc..0a64bac306e 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -50,11 +50,10 @@ #define TI_TRANSFER_TIMEOUT 2 -#define TI_DEFAULT_LOW_LATENCY 0 #define TI_DEFAULT_CLOSING_WAIT 4000 /* in .01 secs */ /* supported setserial flags */ -#define TI_SET_SERIAL_FLAGS (ASYNC_LOW_LATENCY) +#define TI_SET_SERIAL_FLAGS 0 /* read urb states */ #define TI_READ_URB_RUNNING 0 @@ -161,7 +160,6 @@ static int ti_buf_get(struct circ_buf *cb, char *buf, int count); /* module parameters */ static int debug; -static int low_latency = TI_DEFAULT_LOW_LATENCY; static int closing_wait = TI_DEFAULT_CLOSING_WAIT; static ushort vendor_3410[TI_EXTRA_VID_PID_COUNT]; static unsigned int vendor_3410_count; @@ -296,10 +294,6 @@ MODULE_FIRMWARE("mts_edge.fw"); module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Enable debugging, 0=no, 1=yes"); -module_param(low_latency, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(low_latency, - "TTY low_latency flag, 0=off, 1=on, default is off"); - module_param(closing_wait, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain in close, in .01 secs, default is 4000"); @@ -448,7 +442,6 @@ static int ti_startup(struct usb_serial *serial) 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; tport->tp_closing_wait = closing_wait; init_waitqueue_head(&tport->tp_msr_wait); init_waitqueue_head(&tport->tp_write_wait); @@ -528,10 +521,6 @@ static int ti_open(struct tty_struct *tty, if (mutex_lock_interruptible(&tdev->td_open_close_lock)) return -ERESTARTSYS; - if (tty) - tty->low_latency = - (tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0; - port_number = port->number - port->serial->minor; memset(&(tport->tp_icount), 0x00, sizeof(tport->tp_icount)); @@ -1454,7 +1443,6 @@ static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport, return -EFAULT; tport->tp_flags = new_serial.flags & TI_SET_SERIAL_FLAGS; - tty->low_latency = (tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0; tport->tp_closing_wait = new_serial.closing_wait; return 0; diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 2a70563bbee..f331e2bde88 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -137,22 +137,10 @@ static void destroy_serial(struct kref *kref) dbg("%s - %s", __func__, serial->type->description); - serial->type->shutdown(serial); - /* return the minor range that this device had */ if (serial->minor != SERIAL_TTY_NO_MINOR) return_serial(serial); - for (i = 0; i < serial->num_ports; ++i) - serial->port[i]->port.count = 0; - - /* the ports are cleaned up and released in port_release() */ - for (i = 0; i < serial->num_ports; ++i) - if (serial->port[i]->dev.parent != NULL) { - device_unregister(&serial->port[i]->dev); - serial->port[i] = NULL; - } - /* If this is a "fake" port, we have to clean it up here, as it will * not get cleaned up in port_release() as it was never registered with * the driver core */ @@ -187,7 +175,7 @@ static int serial_open (struct tty_struct *tty, struct file *filp) struct usb_serial *serial; struct usb_serial_port *port; unsigned int portNumber; - int retval; + int retval = 0; dbg("%s", __func__); @@ -198,21 +186,24 @@ static int serial_open (struct tty_struct *tty, struct file *filp) return -ENODEV; } + mutex_lock(&serial->disc_mutex); portNumber = tty->index - serial->minor; port = serial->port[portNumber]; - if (!port) { - retval = -ENODEV; - goto bailout_kref_put; - } - - if (port->serial->disconnected) { + if (!port || serial->disconnected) retval = -ENODEV; - goto bailout_kref_put; - } + else + get_device(&port->dev); + /* + * Note: Our locking order requirement does not allow port->mutex + * to be acquired while serial->disc_mutex is held. + */ + mutex_unlock(&serial->disc_mutex); + if (retval) + goto bailout_serial_put; if (mutex_lock_interruptible(&port->mutex)) { retval = -ERESTARTSYS; - goto bailout_kref_put; + goto bailout_port_put; } ++port->port.count; @@ -232,14 +223,20 @@ static int serial_open (struct tty_struct *tty, struct file *filp) goto bailout_mutex_unlock; } - retval = usb_autopm_get_interface(serial->interface); + mutex_lock(&serial->disc_mutex); + if (serial->disconnected) + retval = -ENODEV; + else + retval = usb_autopm_get_interface(serial->interface); if (retval) goto bailout_module_put; + /* only call the device specific open if this * is the first time the port is opened */ retval = serial->type->open(tty, port, filp); if (retval) goto bailout_interface_put; + mutex_unlock(&serial->disc_mutex); } mutex_unlock(&port->mutex); @@ -248,13 +245,16 @@ static int serial_open (struct tty_struct *tty, struct file *filp) bailout_interface_put: usb_autopm_put_interface(serial->interface); bailout_module_put: + mutex_unlock(&serial->disc_mutex); module_put(serial->type->driver.owner); bailout_mutex_unlock: port->port.count = 0; tty->driver_data = NULL; tty_port_tty_set(&port->port, NULL); mutex_unlock(&port->mutex); -bailout_kref_put: +bailout_port_put: + put_device(&port->dev); +bailout_serial_put: usb_serial_put(serial); return retval; } @@ -262,6 +262,9 @@ bailout_kref_put: static void serial_close(struct tty_struct *tty, struct file *filp) { struct usb_serial_port *port = tty->driver_data; + struct usb_serial *serial; + struct module *owner; + int count; if (!port) return; @@ -269,6 +272,8 @@ static void serial_close(struct tty_struct *tty, struct file *filp) dbg("%s - port %d", __func__, port->number); mutex_lock(&port->mutex); + serial = port->serial; + owner = serial->type->driver.owner; if (port->port.count == 0) { mutex_unlock(&port->mutex); @@ -281,7 +286,7 @@ static void serial_close(struct tty_struct *tty, struct file *filp) * this before we drop the port count. The call is protected * by the port mutex */ - port->serial->type->close(tty, port, filp); + serial->type->close(tty, port, filp); if (port->port.count == (port->console ? 2 : 1)) { struct tty_struct *tty = tty_port_tty_get(&port->port); @@ -295,17 +300,23 @@ static void serial_close(struct tty_struct *tty, struct file *filp) } } - if (port->port.count == 1) { - mutex_lock(&port->serial->disc_mutex); - if (!port->serial->disconnected) - usb_autopm_put_interface(port->serial->interface); - mutex_unlock(&port->serial->disc_mutex); - module_put(port->serial->type->driver.owner); - } --port->port.count; - + count = port->port.count; mutex_unlock(&port->mutex); - usb_serial_put(port->serial); + put_device(&port->dev); + + /* Mustn't dereference port any more */ + if (count == 0) { + mutex_lock(&serial->disc_mutex); + if (!serial->disconnected) + usb_autopm_put_interface(serial->interface); + mutex_unlock(&serial->disc_mutex); + } + usb_serial_put(serial); + + /* Mustn't dereference serial any more */ + if (count == 0) + module_put(owner); } static int serial_write(struct tty_struct *tty, const unsigned char *buf, @@ -549,7 +560,13 @@ static void kill_traffic(struct usb_serial_port *port) static void port_free(struct usb_serial_port *port) { + /* + * Stop all the traffic before cancelling the work, so that + * nobody will restart it by calling usb_serial_port_softint. + */ kill_traffic(port); + cancel_work_sync(&port->work); + usb_free_urb(port->read_urb); usb_free_urb(port->write_urb); usb_free_urb(port->interrupt_in_urb); @@ -558,7 +575,6 @@ static void port_free(struct usb_serial_port *port) kfree(port->bulk_out_buffer); kfree(port->interrupt_in_buffer); kfree(port->interrupt_out_buffer); - flush_scheduled_work(); /* port->work */ kfree(port); } @@ -958,6 +974,7 @@ int usb_serial_probe(struct usb_interface *interface, if (retval > 0) { /* quietly accept this device, but don't bind to a serial port as it's about to disappear */ + serial->num_ports = 0; goto exit; } } @@ -1043,6 +1060,12 @@ void usb_serial_disconnect(struct usb_interface *interface) usb_set_intfdata(interface, NULL); /* must set a flag, to signal subdrivers */ serial->disconnected = 1; + mutex_unlock(&serial->disc_mutex); + + /* Unfortunately, many of the sub-drivers expect the port structures + * to exist when their shutdown method is called, so we have to go + * through this awkward two-step unregistration procedure. + */ for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; if (port) { @@ -1052,11 +1075,21 @@ void usb_serial_disconnect(struct usb_interface *interface) tty_kref_put(tty); } kill_traffic(port); + cancel_work_sync(&port->work); + device_del(&port->dev); + } + } + serial->type->shutdown(serial); + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + if (port) { + put_device(&port->dev); + serial->port[i] = NULL; } } + /* let the last holder of this object * cause it to be cleaned up */ - mutex_unlock(&serial->disc_mutex); usb_serial_put(serial); dev_info(dev, "device disconnected\n"); } diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 4facce3d936..5ac414bda71 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -296,14 +296,6 @@ static int visor_open(struct tty_struct *tty, struct usb_serial_port *port, priv->throttled = 0; spin_unlock_irqrestore(&priv->lock, flags); - /* - * Force low_latency on so that our tty_push actually forces the data - * through, otherwise it is scheduled, and with high data rates (like - * with OHCI) data can get lost. - */ - if (tty) - tty->low_latency = 1; - /* Start reading from the device */ usb_fill_bulk_urb(port->read_urb, serial->dev, usb_rcvbulkpipe(serial->dev, diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 96db479d116..4b8b69045fe 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -160,8 +160,9 @@ UNUSUAL_DEV( 0x0420, 0x0001, 0x0100, 0x0100, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Reported by Andrew Nayenko <relan@bk.ru> */ -UNUSUAL_DEV( 0x0421, 0x0019, 0x0592, 0x0592, +/* Reported by Andrew Nayenko <relan@bk.ru> + * Updated for new firmware by Phillip Potter <phillipinda@hotmail.com> */ +UNUSUAL_DEV( 0x0421, 0x0019, 0x0592, 0x0610, "Nokia", "Nokia 6288", US_SC_DEVICE, US_PR_DEVICE, NULL, @@ -1851,6 +1852,12 @@ UNUSUAL_DEV( 0xed06, 0x4500, 0x0001, 0x0001, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_CAPACITY_HEURISTICS), +/* Reported by Alessio Treglia <quadrispro@ubuntu.com> */ +UNUSUAL_DEV( 0xed10, 0x7636, 0x0001, 0x0001, + "TGE", + "Digital MP3 Audio Player", + US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE ), + /* Control/Bulk transport for all SubClass values */ USUAL_DEV(US_SC_RBC, US_PR_CB, USB_US_TYPE_STOR), USUAL_DEV(US_SC_8020, US_PR_CB, USB_US_TYPE_STOR), diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 7826bdce4bb..0048f1185a6 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1128,13 +1128,6 @@ config FB_INTEL 830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM chipsets. Say Y if you have and plan to use such a board. - If you say Y here and want DDC/I2C support you must first say Y to - "I2C support" and "I2C bit-banging support" in the character devices - section. - - If you say M here then "I2C support" and "I2C bit-banging support" - can be build either as modules or built-in. - To compile this driver as a module, choose M here: the module will be called intelfb. @@ -1207,11 +1200,10 @@ config FB_MATROX_G pixel and 32 bpp packed pixel. You can also use font widths different from 8. - If you need support for G400 secondary head, you must first say Y to - "I2C support" in the character devices section, and then to - "Matrox I2C support" and "G400 second head support" here in the - framebuffer section. G450/G550 secondary head and digital output - are supported without additional modules. + If you need support for G400 secondary head, you must say Y to + "Matrox I2C support" and "G400 second head support" right below. + G450/G550 secondary head and digital output are supported without + additional modules. The driver starts in monitor mode. You must use the matroxset tool (available at <ftp://platan.vc.cvut.cz/pub/linux/matrox-latest/>) to @@ -1310,13 +1302,6 @@ config FB_RADEON a framebuffer device. There are both PCI and AGP versions. You don't need to choose this to run the Radeon in plain VGA mode. - If you say Y here and want DDC/I2C support you must first say Y to - "I2C support" and "I2C bit-banging support" in the character devices - section. - - If you say M here then "I2C support" and "I2C bit-banging support" - can be build either as modules or built-in. - There is a product page at http://apps.ati.com/ATIcompare/ diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 0dbd6c68d76..d8d0be5151e 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -56,7 +56,6 @@ obj-$(CONFIG_FB_CT65550) += chipsfb.o obj-$(CONFIG_FB_IMSTT) += imsttfb.o obj-$(CONFIG_FB_FM2) += fm2fb.o obj-$(CONFIG_FB_VT8623) += vt8623fb.o -obj-$(CONFIG_FB_CYBLA) += cyblafb.o obj-$(CONFIG_FB_TRIDENT) += tridentfb.o obj-$(CONFIG_FB_LE80578) += vermilion/ obj-$(CONFIG_FB_S3) += s3fb.o diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c index 61050ab1412..d1f80bac54f 100644 --- a/drivers/video/amba-clcd.c +++ b/drivers/video/amba-clcd.c @@ -437,7 +437,7 @@ static int clcdfb_register(struct clcd_fb *fb) return ret; } -static int clcdfb_probe(struct amba_device *dev, void *id) +static int clcdfb_probe(struct amba_device *dev, struct amba_id *id) { struct clcd_board *board = dev->dev.platform_data; struct clcd_fb *fb; diff --git a/drivers/video/asiliantfb.c b/drivers/video/asiliantfb.c index 1a1f946d8fe..9fe90ce928f 100644 --- a/drivers/video/asiliantfb.c +++ b/drivers/video/asiliantfb.c @@ -533,6 +533,7 @@ static int __devinit init_asiliant(struct fb_info *p, unsigned long addr) writeb(0xff, mmio_base + 0x78c); chips_hw_init(p); + return 0; } static int __devinit diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 9a577a800db..2fb63f6ea2f 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -29,14 +29,8 @@ /* configurable parameters */ #define ATMEL_LCDC_CVAL_DEFAULT 0xc8 -#define ATMEL_LCDC_DMA_BURST_LEN 8 - -#if defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91CAP9) || \ - defined(CONFIG_ARCH_AT91SAM9RL) -#define ATMEL_LCDC_FIFO_SIZE 2048 -#else -#define ATMEL_LCDC_FIFO_SIZE 512 -#endif +#define ATMEL_LCDC_DMA_BURST_LEN 8 /* words */ +#define ATMEL_LCDC_FIFO_SIZE 512 /* words */ #if defined(CONFIG_ARCH_AT91) #define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \ diff --git a/drivers/video/cfbfillrect.c b/drivers/video/cfbfillrect.c index 64b35766b2a..ba9f58b2a5e 100644 --- a/drivers/video/cfbfillrect.c +++ b/drivers/video/cfbfillrect.c @@ -9,10 +9,6 @@ * * NOTES: * - * The code for depths like 24 that don't have integer number of pixels per - * long is broken and needs to be fixed. For now I turned these types of - * mode off. - * * Also need to add code to deal with cards endians that are different than * the native cpu endians. I also need to deal with MSB position in the word. * @@ -139,7 +135,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, // Trailing bits if (last) - FB_WRITEL(comp(pat, FB_READL(dst), first), dst); + FB_WRITEL(comp(pat, FB_READL(dst), last), dst); } } @@ -281,7 +277,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long __iomem *dst, void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) { - unsigned long pat, fg; + unsigned long pat, pat2, fg; unsigned long width = rect->width, height = rect->height; int bits = BITS_PER_LONG, bytes = bits >> 3; u32 bpp = p->var.bits_per_pixel; @@ -297,7 +293,7 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) else fg = rect->color; - pat = pixel_to_pat( bpp, fg); + pat = pixel_to_pat(bpp, fg); dst = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1)); dst_idx = ((unsigned long)p->screen_base & (bytes - 1))*8; @@ -333,17 +329,16 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) dst_idx += p->fix.line_length*8; } } else { - int right; - int r; - int rot = (left-dst_idx) % bpp; + int right, r; void (*fill_op)(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, unsigned long pat, int left, int right, unsigned n, int bits) = NULL; - - /* rotate pattern to correct start position */ - pat = pat << rot | pat >> (bpp-rot); - - right = bpp-left; +#ifdef __LITTLE_ENDIAN + right = left; + left = bpp - right; +#else + right = bpp - left; +#endif switch (rect->rop) { case ROP_XOR: fill_op = bitfill_unaligned_rev; @@ -352,17 +347,18 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) fill_op = bitfill_unaligned; break; default: - printk( KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n"); + printk(KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n"); fill_op = bitfill_unaligned; break; } while (height--) { - dst += dst_idx >> (ffs(bits) - 1); + dst += dst_idx / bits; dst_idx &= (bits - 1); - fill_op(p, dst, dst_idx, pat, left, right, + r = dst_idx % bpp; + /* rotate pattern to the correct start position */ + pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp)); + fill_op(p, dst, dst_idx, pat2, left, right, width*bpp, bits); - r = (p->fix.line_length*8) % bpp; - pat = pat << (bpp-r) | pat >> r; dst_idx += p->fix.line_length*8; } } diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index d012edda6d1..38e86b84dce 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -1282,7 +1282,7 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font) font->charcount = vga_512_chars ? 512 : 256; if (!font->data) return 0; - return vgacon_do_font_op(&state, font->data, 0, 0); + return vgacon_do_font_op(&state, font->data, 0, vga_512_chars); } #else diff --git a/drivers/video/fb_draw.h b/drivers/video/fb_draw.h index 1db622192bd..04c01faaf77 100644 --- a/drivers/video/fb_draw.h +++ b/drivers/video/fb_draw.h @@ -33,11 +33,11 @@ pixel_to_pat( u32 bpp, u32 pixel) case 8: return 0x0101010101010101ul*pixel; case 12: - return 0x0001001001001001ul*pixel; + return 0x1001001001001001ul*pixel; case 16: return 0x0001000100010001ul*pixel; case 24: - return 0x0000000001000001ul*pixel; + return 0x0001000001000001ul*pixel; case 32: return 0x0000000100000001ul*pixel; default: @@ -58,11 +58,11 @@ pixel_to_pat( u32 bpp, u32 pixel) case 8: return 0x01010101ul*pixel; case 12: - return 0x00001001ul*pixel; + return 0x01001001ul*pixel; case 16: return 0x00010001ul*pixel; case 24: - return 0x00000001ul*pixel; + return 0x01000001ul*pixel; case 32: return 0x00000001ul*pixel; default: @@ -167,4 +167,17 @@ static inline unsigned long fb_rev_pixels_in_long(unsigned long val, #endif /* CONFIG_FB_CFB_REV_PIXELS_IN_BYTE */ +#define cpu_to_le_long _cpu_to_le_long(BITS_PER_LONG) +#define _cpu_to_le_long(x) __cpu_to_le_long(x) +#define __cpu_to_le_long(x) cpu_to_le##x + +#define le_long_to_cpu _le_long_to_cpu(BITS_PER_LONG) +#define _le_long_to_cpu(x) __le_long_to_cpu(x) +#define __le_long_to_cpu(x) le##x##_to_cpu + +static inline unsigned long rolx(unsigned long word, unsigned int shift, unsigned int x) +{ + return (word << shift) | (word >> (x - shift)); +} + #endif /* FB_DRAW_H */ diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c index fe5b519860b..1a83709f961 100644 --- a/drivers/video/gbefb.c +++ b/drivers/video/gbefb.c @@ -75,7 +75,7 @@ struct gbefb_par { static unsigned int gbe_mem_size = CONFIG_FB_GBE_MEM * 1024*1024; static void *gbe_mem; static dma_addr_t gbe_dma_addr; -unsigned long gbe_mem_phys; +static unsigned long gbe_mem_phys; static struct { uint16_t *cpu; @@ -185,8 +185,8 @@ static struct fb_videomode default_mode_LCD __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -struct fb_videomode *default_mode __initdata = &default_mode_CRT; -struct fb_var_screeninfo *default_var __initdata = &default_var_CRT; +static struct fb_videomode *default_mode __initdata = &default_mode_CRT; +static struct fb_var_screeninfo *default_var __initdata = &default_var_CRT; static int flat_panel_enabled = 0; @@ -205,7 +205,7 @@ static void gbe_reset(void) * console. */ -void gbe_turn_off(void) +static void gbe_turn_off(void) { int i; unsigned int val, x, y, vpixen_off; @@ -1097,7 +1097,7 @@ static void gbefb_create_sysfs(struct device *dev) * Initialization */ -int __init gbefb_setup(char *options) +static int __init gbefb_setup(char *options) { char *this_opt; @@ -1283,7 +1283,7 @@ static struct platform_driver gbefb_driver = { static struct platform_device *gbefb_device; -int __init gbefb_init(void) +static int __init gbefb_init(void) { int ret = platform_driver_register(&gbefb_driver); if (!ret) { @@ -1301,7 +1301,7 @@ int __init gbefb_init(void) return ret; } -void __exit gbefb_exit(void) +static void __exit gbefb_exit(void) { platform_device_unregister(gbefb_device); platform_driver_unregister(&gbefb_driver); diff --git 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+ 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 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 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index 21b3692092f..9894de1c9b9 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -1152,11 +1152,11 @@ static struct fb_ops mx3fb_ops = { */ static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state) { - struct mx3fb_data *drv_data = platform_get_drvdata(pdev); - struct mx3fb_info *mx3_fbi = drv_data->fbi->par; + struct mx3fb_data *mx3fb = platform_get_drvdata(pdev); + struct mx3fb_info *mx3_fbi = mx3fb->fbi->par; acquire_console_sem(); - fb_set_suspend(drv_data->fbi, 1); + fb_set_suspend(mx3fb->fbi, 1); release_console_sem(); if (mx3_fbi->blank == FB_BLANK_UNBLANK) { @@ -1172,16 +1172,16 @@ static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state) */ static int mx3fb_resume(struct platform_device *pdev) { - struct mx3fb_data *drv_data = platform_get_drvdata(pdev); - struct mx3fb_info *mx3_fbi = drv_data->fbi->par; + struct mx3fb_data *mx3fb = platform_get_drvdata(pdev); + struct mx3fb_info *mx3_fbi = mx3fb->fbi->par; if (mx3_fbi->blank == FB_BLANK_UNBLANK) { sdc_enable_channel(mx3_fbi); - sdc_set_brightness(mx3fb, drv_data->backlight_level); + sdc_set_brightness(mx3fb, mx3fb->backlight_level); } acquire_console_sem(); - fb_set_suspend(drv_data->fbi, 0); + fb_set_suspend(mx3fb->fbi, 0); release_console_sem(); return 0; diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c index dfb72f5e4c9..148cbcc3960 100644 --- a/drivers/video/omap/dispc.c +++ b/drivers/video/omap/dispc.c @@ -880,20 +880,22 @@ static irqreturn_t omap_dispc_irq_handler(int irq, void *dev) static int get_dss_clocks(void) { - if (IS_ERR((dispc.dss_ick = clk_get(dispc.fbdev->dev, "dss_ick")))) { - dev_err(dispc.fbdev->dev, "can't get dss_ick\n"); + dispc.dss_ick = clk_get(dispc.fbdev->dev, "ick"); + if (IS_ERR(dispc.dss_ick)) { + dev_err(dispc.fbdev->dev, "can't get ick\n"); return PTR_ERR(dispc.dss_ick); } - if (IS_ERR((dispc.dss1_fck = clk_get(dispc.fbdev->dev, "dss1_fck")))) { + dispc.dss1_fck = clk_get(dispc.fbdev->dev, "dss1_fck"); + if (IS_ERR(dispc.dss1_fck)) { dev_err(dispc.fbdev->dev, "can't get dss1_fck\n"); clk_put(dispc.dss_ick); return PTR_ERR(dispc.dss1_fck); } - if (IS_ERR((dispc.dss_54m_fck = - clk_get(dispc.fbdev->dev, "dss_54m_fck")))) { - dev_err(dispc.fbdev->dev, "can't get dss_54m_fck\n"); + dispc.dss_54m_fck = clk_get(dispc.fbdev->dev, "tv_fck"); + if (IS_ERR(dispc.dss_54m_fck)) { + dev_err(dispc.fbdev->dev, "can't get tv_fck\n"); clk_put(dispc.dss_ick); clk_put(dispc.dss1_fck); return PTR_ERR(dispc.dss_54m_fck); diff --git a/drivers/video/omap/rfbi.c b/drivers/video/omap/rfbi.c index a13c8dcad2a..9332d6ca645 100644 --- a/drivers/video/omap/rfbi.c +++ b/drivers/video/omap/rfbi.c @@ -83,12 +83,14 @@ static inline u32 rfbi_read_reg(int idx) static int rfbi_get_clocks(void) { - if (IS_ERR((rfbi.dss_ick = clk_get(rfbi.fbdev->dev, "dss_ick")))) { - dev_err(rfbi.fbdev->dev, "can't get dss_ick\n"); + rfbi.dss_ick = clk_get(rfbi.fbdev->dev, "ick"); + if (IS_ERR(rfbi.dss_ick)) { + dev_err(rfbi.fbdev->dev, "can't get ick\n"); return PTR_ERR(rfbi.dss_ick); } - if (IS_ERR((rfbi.dss1_fck = clk_get(rfbi.fbdev->dev, "dss1_fck")))) { + rfbi.dss1_fck = clk_get(rfbi.fbdev->dev, "dss1_fck"); + if (IS_ERR(rfbi.dss1_fck)) { dev_err(rfbi.fbdev->dev, "can't get dss1_fck\n"); clk_put(rfbi.dss_ick); return PTR_ERR(rfbi.dss1_fck); diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 84f63205c46..0889d50c328 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1439,7 +1439,7 @@ static void pxafb_disable_controller(struct pxafb_info *fbi) static irqreturn_t pxafb_handle_irq(int irq, void *dev_id) { struct pxafb_info *fbi = dev_id; - unsigned int lccr0, lcsr, lcsr1; + unsigned int lccr0, lcsr; lcsr = lcd_readl(fbi, LCSR); if (lcsr & LCSR_LDD) { @@ -1455,14 +1455,16 @@ static irqreturn_t pxafb_handle_irq(int irq, void *dev_id) lcd_writel(fbi, LCSR, lcsr); #ifdef CONFIG_FB_PXA_OVERLAY - lcsr1 = lcd_readl(fbi, LCSR1); - if (lcsr1 & LCSR1_BS(1)) - complete(&fbi->overlay[0].branch_done); + { + unsigned int lcsr1 = lcd_readl(fbi, LCSR1); + if (lcsr1 & LCSR1_BS(1)) + complete(&fbi->overlay[0].branch_done); - if (lcsr1 & LCSR1_BS(2)) - complete(&fbi->overlay[1].branch_done); + if (lcsr1 & LCSR1_BS(2)) + complete(&fbi->overlay[1].branch_done); - lcd_writel(fbi, LCSR1, lcsr1); + lcd_writel(fbi, LCSR1, lcsr1); + } #endif return IRQ_HANDLED; } diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index 5e9c6302433..d3a568e6b16 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -947,7 +947,8 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev) int win; for (win = 0; win <= S3C_FB_MAX_WIN; win++) - s3c_fb_release_win(sfb, sfb->windows[win]); + if (sfb->windows[win]) + s3c_fb_release_win(sfb, sfb->windows[win]); iounmap(sfb->regs); @@ -985,11 +986,20 @@ static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state) static int s3c_fb_resume(struct platform_device *pdev) { struct s3c_fb *sfb = platform_get_drvdata(pdev); + struct s3c_fb_platdata *pd = sfb->pdata; struct s3c_fb_win *win; int win_no; clk_enable(sfb->bus_clk); + /* setup registers */ + writel(pd->vidcon1, sfb->regs + VIDCON1); + + /* zero all windows before we do anything */ + for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) + s3c_fb_clear_win(sfb, win_no); + + /* restore framebuffers */ for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) { win = sfb->windows[win_no]; if (!win) diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 92ea0ab44ce..f10d2fbeda0 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -47,6 +47,7 @@ struct sh_mobile_lcdc_priv { #endif unsigned long lddckr; struct sh_mobile_lcdc_chan ch[2]; + int started; }; /* shared registers */ @@ -451,6 +452,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) /* start the lcdc */ sh_mobile_lcdc_start_stop(priv, 1); + priv->started = 1; /* tell the board code to enable the panel */ for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { @@ -493,7 +495,10 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) } /* stop the lcdc */ - sh_mobile_lcdc_start_stop(priv, 0); + if (priv->started) { + sh_mobile_lcdc_start_stop(priv, 0); + priv->started = 0; + } /* stop clocks */ for (k = 0; k < ARRAY_SIZE(priv->ch); k++) diff --git a/drivers/video/sysfillrect.c b/drivers/video/sysfillrect.c index f94d6b6e29e..33ee3d34f9d 100644 --- a/drivers/video/sysfillrect.c +++ b/drivers/video/sysfillrect.c @@ -124,7 +124,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long *dst, int dst_idx, /* Trailing bits */ if (last) - *dst = comp(pat, *dst, first); + *dst = comp(pat, *dst, last); } } @@ -242,7 +242,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long *dst, int dst_idx, void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) { - unsigned long pat, fg; + unsigned long pat, pat2, fg; unsigned long width = rect->width, height = rect->height; int bits = BITS_PER_LONG, bytes = bits >> 3; u32 bpp = p->var.bits_per_pixel; @@ -292,17 +292,16 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) dst_idx += p->fix.line_length*8; } } else { - int right; - int r; - int rot = (left-dst_idx) % bpp; + int right, r; void (*fill_op)(struct fb_info *p, unsigned long *dst, int dst_idx, unsigned long pat, int left, int right, unsigned n, int bits) = NULL; - - /* rotate pattern to correct start position */ - pat = pat << rot | pat >> (bpp-rot); - - right = bpp-left; +#ifdef __LITTLE_ENDIAN + right = left; + left = bpp - right; +#else + right = bpp - left; +#endif switch (rect->rop) { case ROP_XOR: fill_op = bitfill_unaligned_rev; @@ -311,18 +310,19 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) fill_op = bitfill_unaligned; break; default: - printk(KERN_ERR "cfb_fillrect(): unknown rop, " + printk(KERN_ERR "sys_fillrect(): unknown rop, " "defaulting to ROP_COPY\n"); fill_op = bitfill_unaligned; break; } while (height--) { - dst += dst_idx >> (ffs(bits) - 1); + dst += dst_idx / bits; dst_idx &= (bits - 1); - fill_op(p, dst, dst_idx, pat, left, right, + r = dst_idx % bpp; + /* rotate pattern to the correct start position */ + pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp)); + fill_op(p, dst, dst_idx, pat2, left, right, width*bpp, bits); - r = (p->fix.line_length*8) % bpp; - pat = pat << (bpp-r) | pat >> r; dst_idx += p->fix.line_length*8; } } diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index e327b84820d..a0fec298216 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -2103,7 +2103,7 @@ static void viafb_remove_proc(struct proc_dir_entry *viafb_entry) static int __devinit via_pci_probe(void) { - unsigned int default_xres, default_yres; + unsigned long default_xres, default_yres; char *tmpc, *tmpm; char *tmpc_sec, *tmpm_sec; int vmode_index; @@ -2196,8 +2196,8 @@ static int __devinit via_pci_probe(void) viafb_FB_MM = viaparinfo->fbmem_virt; tmpm = viafb_mode; tmpc = strsep(&tmpm, "x"); - strict_strtoul(tmpc, 0, (unsigned long *)&default_xres); - strict_strtoul(tmpm, 0, (unsigned long *)&default_yres); + strict_strtoul(tmpc, 0, &default_xres); + strict_strtoul(tmpm, 0, &default_yres); vmode_index = viafb_get_mode_index(default_xres, default_yres, 0); DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 59268266b79..9c76a061a04 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -190,7 +190,8 @@ static int balloon(void *_vballoon) try_to_freeze(); wait_event_interruptible(vb->config_change, (diff = towards_target(vb)) != 0 - || kthread_should_stop()); + || kthread_should_stop() + || freezing(current)); if (diff > 0) fill_balloon(vb, diff); else if (diff < 0) diff --git a/drivers/watchdog/orion5x_wdt.c b/drivers/watchdog/orion5x_wdt.c index 7529616739d..2cde568e4fb 100644 --- a/drivers/watchdog/orion5x_wdt.c +++ b/drivers/watchdog/orion5x_wdt.c @@ -22,6 +22,7 @@ #include <linux/uaccess.h> #include <linux/io.h> #include <linux/spinlock.h> +#include <mach/bridge-regs.h> #include <plat/orion5x_wdt.h> /* diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index efa4b363ce7..f5bbd9e8341 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -513,7 +513,8 @@ static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr char *buf) { return sprintf(buf, "%llu\n", - (u64)balloon_stats.target_pages << PAGE_SHIFT); + (unsigned long long)balloon_stats.target_pages + << PAGE_SHIFT); } static ssize_t store_target(struct sys_device *dev, |