#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/acpi.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>

Data Structures
struct	guid_block

struct	wmi_block

Macros
#define	pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#define	ACPI_WMI_CLASS "wmi"

#define	ACPI_WMI_EXPENSIVE 0x1

#define	ACPI_WMI_METHOD 0x2 /* GUID is a method */

#define	ACPI_WMI_STRING 0x4 /* GUID takes & returns a string */

#define	ACPI_WMI_EVENT 0x8 /* GUID is an event */

Functions
	ACPI_MODULE_NAME ("wmi")

	MODULE_AUTHOR ("Carlos Corbacho")

	MODULE_DESCRIPTION ("ACPI-WMI Mapping Driver")

	MODULE_LICENSE ("GPL")

	module_param (debug_event, bool, 0444)

	MODULE_PARM_DESC (debug_event,"Log WMI Events [0/1]")

	module_param (debug_dump_wdg, bool, 0444)

	MODULE_PARM_DESC (debug_dump_wdg,"Dump available WMI interfaces [0/1]")

	MODULE_DEVICE_TABLE (acpi, wmi_device_ids)

acpi_status	wmi_evaluate_method (const char guid_string, u8 instance, u32 method_id, const struct acpi_buffer in, struct acpi_buffer *out)

	EXPORT_SYMBOL_GPL (wmi_evaluate_method)

acpi_status	wmi_query_block (const char guid_string, u8 instance, struct acpi_buffer out)

	EXPORT_SYMBOL_GPL (wmi_query_block)

acpi_status	wmi_set_block (const char guid_string, u8 instance, const struct acpi_buffer in)

	EXPORT_SYMBOL_GPL (wmi_set_block)

acpi_status	wmi_install_notify_handler (const char guid, wmi_notify_handler handler, void data)

	EXPORT_SYMBOL_GPL (wmi_install_notify_handler)

acpi_status	wmi_remove_notify_handler (const char *guid)

	EXPORT_SYMBOL_GPL (wmi_remove_notify_handler)

acpi_status	wmi_get_event_data (u32 event, struct acpi_buffer *out)

	EXPORT_SYMBOL_GPL (wmi_get_event_data)

bool	wmi_has_guid (const char *guid_string)

	EXPORT_SYMBOL_GPL (wmi_has_guid)

	subsys_initcall (acpi_wmi_init)

	module_exit (acpi_wmi_exit)

Macro Definition Documentation

#define ACPI_WMI_CLASS "wmi"

Definition at line 48 of file wmi.c.

#define ACPI_WMI_EVENT 0x8 /* GUID is an event */

Definition at line 83 of file wmi.c.

#define ACPI_WMI_EXPENSIVE 0x1

Definition at line 80 of file wmi.c.

#define ACPI_WMI_METHOD 0x2 /* GUID is a method */

Definition at line 81 of file wmi.c.

#define ACPI_WMI_STRING 0x4 /* GUID takes & returns a string */

Definition at line 82 of file wmi.c.

#define pr_fmt ( fmt ) KBUILD_MODNAME ": " fmt

Definition at line 30 of file wmi.c.

Function Documentation

ACPI_MODULE_NAME ( "wmi" )

EXPORT_SYMBOL_GPL ( wmi_evaluate_method )

EXPORT_SYMBOL_GPL ( wmi_query_block )

EXPORT_SYMBOL_GPL ( wmi_set_block )

EXPORT_SYMBOL_GPL ( wmi_install_notify_handler )

EXPORT_SYMBOL_GPL ( wmi_remove_notify_handler )

EXPORT_SYMBOL_GPL ( wmi_get_event_data )

EXPORT_SYMBOL_GPL ( wmi_has_guid )

MODULE_AUTHOR ( "Carlos Corbacho" )

MODULE_DESCRIPTION ( "ACPI-WMI Mapping Driver" )

MODULE_DEVICE_TABLE	(	acpi	,
		wmi_device_ids
	)

module_exit ( acpi_wmi_exit )

MODULE_LICENSE ( "GPL" )

module_param	(	debug_event	,
		bool	,
		0444
	)

module_param	(	debug_dump_wdg	,
		bool	,
		0444
	)

MODULE_PARM_DESC	(	debug_event	,
		"Log WMI Events "	[0/1]
	)

MODULE_PARM_DESC	(	debug_dump_wdg	,
		"Dump available WMI interfaces "	[0/1]
	)

subsys_initcall ( acpi_wmi_init )

acpi_status wmi_evaluate_method	(	const char *	guid_string,
		u8	instance,
		u32	method_id,
		const struct acpi_buffer *	in,
		struct acpi_buffer *	out
	)

wmi_evaluate_method - Evaluate a WMI method : 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba : Instance index : Method ID to call &in: Buffer containing input for the method call &out: Empty buffer to return the method results

Call an ACPI-WMI method

Definition at line 293 of file wmi.c.

acpi_status wmi_get_event_data	(	u32	event,
		struct acpi_buffer *	out
	)

wmi_get_event_data - Get WMI data associated with an event

: Event to find : Buffer to hold event data. out->pointer should be freed with kfree()

Returns extra data associated with an event in WMI.

Definition at line 640 of file wmi.c.

bool wmi_has_guid ( const char * guid_string )

wmi_has_guid - Check if a GUID is available : 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba

Check if a given GUID is defined by _WDG

Definition at line 673 of file wmi.c.

acpi_status wmi_install_notify_handler	(	const char *	guid,
		wmi_notify_handler	handler,
		void *	data
	)

wmi_install_notify_handler - Register handler for WMI events : Function to handle notifications : Data to be returned to handler when event is fired

Register a handler for events sent to the ACPI-WMI mapper device.

Definition at line 549 of file wmi.c.

acpi_status wmi_query_block	(	const char *	guid_string,
		u8	instance,
		struct acpi_buffer *	out
	)

wmi_query_block - Return contents of a WMI block : 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba : Instance index &out: Empty buffer to return the contents of the data block to

Return the contents of an ACPI-WMI data block to a buffer

Definition at line 351 of file wmi.c.

acpi_status wmi_remove_notify_handler ( const char * guid )

wmi_uninstall_notify_handler - Unregister handler for WMI events

Unregister handler for events sent to the ACPI-WMI mapper device.

Definition at line 591 of file wmi.c.

acpi_status wmi_set_block	(	const char *	guid_string,
		u8	instance,
		const struct acpi_buffer *	in
	)

wmi_set_block - Write to a WMI block : 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba : Instance index &in: Buffer containing new values for the data block

Write the contents of the input buffer to an ACPI-WMI data block

Definition at line 434 of file wmi.c.

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation