diff options
| author |   Thomas Renninger <trenn@suse.de> | 2010-05-03 15:30:17 +0200 |
|---|---|---|
| committer |   Matthew Garrett <mjg@redhat.com> | 2010-05-20 09:46:21 -0400 |
| commit | a929aae0e0a91d89b60774316ede6c1e2e10dc4e (patch) | |
| tree | 875cd67cbaf2c7c58c465d96b5118c18ff56f02d /drivers/platform | |
| parent | X86 platform wmi: Also log GUID string when an event happens and debug is set (diff) | |
| download | linux-dev-a929aae0e0a91d89b60774316ede6c1e2e10dc4e.tar.xz linux-dev-a929aae0e0a91d89b60774316ede6c1e2e10dc4e.zip | |
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); MODULE_PARM_DESC(debug_event, "Log WMI Events [0/1]"); +static int debug_dump_wdg; +module_param(debug_dump_wdg, bool, 0444); +MODULE_PARM_DESC(debug_dump_wdg, + "Dump available WMI interfaces [0/1]"); + static int acpi_wmi_remove(struct acpi_device *device, int type); static int acpi_wmi_add(struct acpi_device *device); static void acpi_wmi_notify(struct acpi_device *device, u32 event); @@ -482,6 +487,33 @@ const struct acpi_buffer *in) } EXPORT_SYMBOL_GPL(wmi_set_block); +static void wmi_dump_wdg(struct guid_block *g) +{ + char guid_string[37]; + + wmi_gtoa(g->guid, guid_string); + printk(KERN_INFO PREFIX "%s:\n", guid_string); + printk(KERN_INFO PREFIX "\tobject_id: %c%c\n", + g->object_id[0], g->object_id[1]); + printk(KERN_INFO PREFIX "\tnotify_id: %02X\n", g->notify_id); + printk(KERN_INFO PREFIX "\treserved: %02X\n", g->reserved); + printk(KERN_INFO PREFIX "\tinstance_count: %d\n", g->instance_count); + printk(KERN_INFO PREFIX "\tflags: %#x", g->flags); + if (g->flags) { + printk(" "); + if (g->flags & ACPI_WMI_EXPENSIVE) + printk("ACPI_WMI_EXPENSIVE "); + if (g->flags & ACPI_WMI_METHOD) + printk("ACPI_WMI_METHOD "); + if (g->flags & ACPI_WMI_STRING) + printk("ACPI_WMI_STRING "); + if (g->flags & ACPI_WMI_EVENT) + printk("ACPI_WMI_EVENT "); + } + printk("\n"); + +} + static void wmi_notify_debug(u32 value, void *context) { struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -812,6 +844,9 @@ static __init acpi_status parse_wdg(acpi_handle handle) guid_string); continue; } + if (debug_dump_wdg) + wmi_dump_wdg(&gblock[i]); + wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL); if (!wblock) return AE_NO_MEMORY; |