FreeBSD/Linux Kernel Cross Reference
sys/dev/acpica/acpi_wmi_if.m

     #-
     # Copyright (c) 2009 Michael Gmelin
     # All rights reserved.
     #
     # Redistribution and use in source and binary forms, with or without
     # modification, are permitted provided that the following conditions
     # are met:
     # 1. Redistributions of source code must retain the above copyright
     #    notice, this list of conditions and the following disclaimer.
    # 2. Redistributions in binary form must reproduce the above copyright
    #    notice, this list of conditions and the following disclaimer in the
    #    documentation and/or other materials provided with the distribution.
    #
    # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
    # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
    # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    # SUCH DAMAGE.
    #
    # $FreeBSD: src/sys/dev/acpi_support/acpi_wmi_if.m,v 1.2 2009/06/30 09:51:41 rpaulo Exp $
    #
    
    #include <sys/bus.h>
    #include <sys/types.h>
    #include "acpi.h"
    
    INTERFACE acpi_wmi;
    
    #
    # Default implementation for acpi_wmi_generic_provides_guid_string().
    #
    CODE {
            static int
            acpi_wmi_generic_provides_guid_string(device_t dev, const char* guid_string)
            {
                    return 0;
            }
    };
    
    
    #
    # Check if given GUID exists in WMI
    # Returns number of instances (max_instace+1) or 0 if guid doesn't exist
    #
    # device_t dev: Device to probe
    # const char* guid_string: String form of the GUID
    #
    METHOD int provides_guid_string {
            device_t        dev;
            const char*     guid_string;
    } DEFAULT acpi_wmi_generic_provides_guid_string;
    
    #
    # Evaluate a WMI method call
    #
    # device_t dev:  Device to use
    # const char* guid_string:  String form of the GUID
    # UINT8 instance: instance id
    # UINT32 method_id: method to call
    # const ACPI_BUFFER* in: input data
    # ACPI_BUFFER* out: output buffer
    #
    METHOD ACPI_STATUS evaluate_call {
            device_t        dev;
            const char      *guid_string;
            UINT8           instance;
            UINT32          method_id;
            const ACPI_BUFFER *in;
            ACPI_BUFFER     *out;
    };
    
    #
    # Get content of a WMI block
    #
    # device_t dev:  Device to use
    # const char* guid_string:  String form of the GUID
    # UINT8 instance: instance id
    # ACPI_BUFFER* out: output buffer
    #
    METHOD ACPI_STATUS get_block {
            device_t        dev;
            const char      *guid_string;
            UINT8           instance;
            ACPI_BUFFER     *out;
    };
    #
    # Write to a WMI data block
    #
    # device_t dev:  Device to use
    # const char* guid_string:  String form of the GUID
    # UINT8 instance: instance id
    # const ACPI_BUFFER* in: input data
    #
   METHOD ACPI_STATUS set_block {
           device_t        dev;
           const char      *guid_string;
           UINT8           instance;
           const ACPI_BUFFER *in;
   };
   
   #
   # Install wmi event handler
   #
   # device_t dev:  Device to use
   # const char* guid_string:  String form of the GUID
   # ACPI_NOTIFY_HANDLER handler: Handler
   # void* data: Payload
   #
   METHOD ACPI_STATUS install_event_handler {
           device_t        dev;
           const char      *guid_string;
           ACPI_NOTIFY_HANDLER handler;
           void            *data;
   };
   
   #
   # Remove wmi event handler
   #
   # device_t dev:  Device to use
   # const char* guid_string:  String form of the GUID
   #
   METHOD ACPI_STATUS remove_event_handler {
           device_t        dev;
           const char      *guid_string;
   };
   
   
   #
   # Get event data associated to an event
   #
   # device_t dev:  Device to use
   # UINT32 event_id: event id
   # ACPI_BUFFER* out: output buffer
   #
   METHOD ACPI_STATUS get_event_data {
           device_t        dev;
           UINT32          event_id;
           ACPI_BUFFER     *out;
   };

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