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>
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1 changed files with 35 additions and 0 deletions
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@ -86,6 +86,11 @@ module_param(debug_event, bool, 0444);
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MODULE_PARM_DESC(debug_event,
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MODULE_PARM_DESC(debug_event,
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"Log WMI Events [0/1]");
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"Log WMI Events [0/1]");
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static int debug_dump_wdg;
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module_param(debug_dump_wdg, bool, 0444);
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MODULE_PARM_DESC(debug_dump_wdg,
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"Dump available WMI interfaces [0/1]");
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static int acpi_wmi_remove(struct acpi_device *device, int type);
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static int acpi_wmi_remove(struct acpi_device *device, int type);
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static int acpi_wmi_add(struct acpi_device *device);
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static int acpi_wmi_add(struct acpi_device *device);
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static void acpi_wmi_notify(struct acpi_device *device, u32 event);
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static void acpi_wmi_notify(struct acpi_device *device, u32 event);
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@ -482,6 +487,33 @@ const struct acpi_buffer *in)
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}
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}
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EXPORT_SYMBOL_GPL(wmi_set_block);
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EXPORT_SYMBOL_GPL(wmi_set_block);
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static void wmi_dump_wdg(struct guid_block *g)
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{
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char guid_string[37];
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wmi_gtoa(g->guid, guid_string);
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printk(KERN_INFO PREFIX "%s:\n", guid_string);
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printk(KERN_INFO PREFIX "\tobject_id: %c%c\n",
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g->object_id[0], g->object_id[1]);
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printk(KERN_INFO PREFIX "\tnotify_id: %02X\n", g->notify_id);
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printk(KERN_INFO PREFIX "\treserved: %02X\n", g->reserved);
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printk(KERN_INFO PREFIX "\tinstance_count: %d\n", g->instance_count);
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printk(KERN_INFO PREFIX "\tflags: %#x", g->flags);
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if (g->flags) {
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printk(" ");
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if (g->flags & ACPI_WMI_EXPENSIVE)
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printk("ACPI_WMI_EXPENSIVE ");
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if (g->flags & ACPI_WMI_METHOD)
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printk("ACPI_WMI_METHOD ");
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if (g->flags & ACPI_WMI_STRING)
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printk("ACPI_WMI_STRING ");
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if (g->flags & ACPI_WMI_EVENT)
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printk("ACPI_WMI_EVENT ");
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}
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printk("\n");
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}
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static void wmi_notify_debug(u32 value, void *context)
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static void wmi_notify_debug(u32 value, void *context)
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{
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{
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struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
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struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
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@ -812,6 +844,9 @@ static __init acpi_status parse_wdg(acpi_handle handle)
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guid_string);
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guid_string);
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continue;
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continue;
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}
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}
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if (debug_dump_wdg)
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wmi_dump_wdg(&gblock[i]);
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wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL);
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wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL);
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if (!wblock)
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if (!wblock)
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return AE_NO_MEMORY;
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return AE_NO_MEMORY;
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