diff options
author | Thomas Renninger <trenn@suse.de> | 2010-05-03 09:30:17 -0400 |
---|---|---|
committer | Matthew Garrett <mjg@redhat.com> | 2010-05-20 09:46:21 -0400 |
commit | a929aae0e0a91d89b60774316ede6c1e2e10dc4e (patch) | |
tree | 875cd67cbaf2c7c58c465d96b5118c18ff56f02d /drivers/platform | |
parent | 7715348cbe28da80fd5372fd68748e852a9d8468 (diff) |
X86 platfrom wmi: Add debug facility to dump WMI data in a readable way
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: platform-driver-x86@vger.kernel.org
CC: mjg59@srcf.ucam.org
CC: corentin.chary@gmail.com
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r-- | drivers/platform/x86/wmi.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index f16768db4468..e4eaa14ed987 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c | |||
@@ -86,6 +86,11 @@ module_param(debug_event, bool, 0444); | |||
86 | MODULE_PARM_DESC(debug_event, | 86 | MODULE_PARM_DESC(debug_event, |
87 | "Log WMI Events [0/1]"); | 87 | "Log WMI Events [0/1]"); |
88 | 88 | ||
89 | static int debug_dump_wdg; | ||
90 | module_param(debug_dump_wdg, bool, 0444); | ||
91 | MODULE_PARM_DESC(debug_dump_wdg, | ||
92 | "Dump available WMI interfaces [0/1]"); | ||
93 | |||
89 | static int acpi_wmi_remove(struct acpi_device *device, int type); | 94 | static int acpi_wmi_remove(struct acpi_device *device, int type); |
90 | static int acpi_wmi_add(struct acpi_device *device); | 95 | static int acpi_wmi_add(struct acpi_device *device); |
91 | static void acpi_wmi_notify(struct acpi_device *device, u32 event); | 96 | static void acpi_wmi_notify(struct acpi_device *device, u32 event); |
@@ -482,6 +487,33 @@ const struct acpi_buffer *in) | |||
482 | } | 487 | } |
483 | EXPORT_SYMBOL_GPL(wmi_set_block); | 488 | EXPORT_SYMBOL_GPL(wmi_set_block); |
484 | 489 | ||
490 | static void wmi_dump_wdg(struct guid_block *g) | ||
491 | { | ||
492 | char guid_string[37]; | ||
493 | |||
494 | wmi_gtoa(g->guid, guid_string); | ||
495 | printk(KERN_INFO PREFIX "%s:\n", guid_string); | ||
496 | printk(KERN_INFO PREFIX "\tobject_id: %c%c\n", | ||
497 | g->object_id[0], g->object_id[1]); | ||
498 | printk(KERN_INFO PREFIX "\tnotify_id: %02X\n", g->notify_id); | ||
499 | printk(KERN_INFO PREFIX "\treserved: %02X\n", g->reserved); | ||
500 | printk(KERN_INFO PREFIX "\tinstance_count: %d\n", g->instance_count); | ||
501 | printk(KERN_INFO PREFIX "\tflags: %#x", g->flags); | ||
502 | if (g->flags) { | ||
503 | printk(" "); | ||
504 | if (g->flags & ACPI_WMI_EXPENSIVE) | ||
505 | printk("ACPI_WMI_EXPENSIVE "); | ||
506 | if (g->flags & ACPI_WMI_METHOD) | ||
507 | printk("ACPI_WMI_METHOD "); | ||
508 | if (g->flags & ACPI_WMI_STRING) | ||
509 | printk("ACPI_WMI_STRING "); | ||
510 | if (g->flags & ACPI_WMI_EVENT) | ||
511 | printk("ACPI_WMI_EVENT "); | ||
512 | } | ||
513 | printk("\n"); | ||
514 | |||
515 | } | ||
516 | |||
485 | static void wmi_notify_debug(u32 value, void *context) | 517 | static void wmi_notify_debug(u32 value, void *context) |
486 | { | 518 | { |
487 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | 519 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; |
@@ -812,6 +844,9 @@ static __init acpi_status parse_wdg(acpi_handle handle) | |||
812 | guid_string); | 844 | guid_string); |
813 | continue; | 845 | continue; |
814 | } | 846 | } |
847 | if (debug_dump_wdg) | ||
848 | wmi_dump_wdg(&gblock[i]); | ||
849 | |||
815 | wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL); | 850 | wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL); |
816 | if (!wblock) | 851 | if (!wblock) |
817 | return AE_NO_MEMORY; | 852 | return AE_NO_MEMORY; |