The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 #-
    2 # Copyright (c) 2009 Michael Gmelin
    3 # All rights reserved.
    4 #
    5 # Redistribution and use in source and binary forms, with or without
    6 # modification, are permitted provided that the following conditions
    7 # are met:
    8 # 1. Redistributions of source code must retain the above copyright
    9 #    notice, this list of conditions and the following disclaimer.
   10 # 2. Redistributions in binary form must reproduce the above copyright
   11 #    notice, this list of conditions and the following disclaimer in the
   12 #    documentation and/or other materials provided with the distribution.
   13 #
   14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24 # SUCH DAMAGE.
   25 #
   26 # $FreeBSD: src/sys/dev/acpi_support/acpi_wmi_if.m,v 1.2 2009/06/30 09:51:41 rpaulo Exp $
   27 #
   28 
   29 #include <sys/bus.h>
   30 #include <sys/types.h>
   31 #include "acpi.h"
   32 
   33 INTERFACE acpi_wmi;
   34 
   35 #
   36 # Default implementation for acpi_wmi_generic_provides_guid_string().
   37 #
   38 CODE {
   39         static int
   40         acpi_wmi_generic_provides_guid_string(device_t dev, const char* guid_string)
   41         {
   42                 return 0;
   43         }
   44 };
   45 
   46 
   47 #
   48 # Check if given GUID exists in WMI
   49 # Returns number of instances (max_instace+1) or 0 if guid doesn't exist
   50 #
   51 # device_t dev: Device to probe
   52 # const char* guid_string: String form of the GUID
   53 #
   54 METHOD int provides_guid_string {
   55         device_t        dev;
   56         const char*     guid_string;
   57 } DEFAULT acpi_wmi_generic_provides_guid_string;
   58 
   59 #
   60 # Evaluate a WMI method call
   61 #
   62 # device_t dev:  Device to use
   63 # const char* guid_string:  String form of the GUID
   64 # UINT8 instance: instance id
   65 # UINT32 method_id: method to call
   66 # const ACPI_BUFFER* in: input data
   67 # ACPI_BUFFER* out: output buffer
   68 #
   69 METHOD ACPI_STATUS evaluate_call {
   70         device_t        dev;
   71         const char      *guid_string;
   72         UINT8           instance;
   73         UINT32          method_id;
   74         const ACPI_BUFFER *in;
   75         ACPI_BUFFER     *out;
   76 };
   77 
   78 #
   79 # Get content of a WMI block
   80 #
   81 # device_t dev:  Device to use
   82 # const char* guid_string:  String form of the GUID
   83 # UINT8 instance: instance id
   84 # ACPI_BUFFER* out: output buffer
   85 #
   86 METHOD ACPI_STATUS get_block {
   87         device_t        dev;
   88         const char      *guid_string;
   89         UINT8           instance;
   90         ACPI_BUFFER     *out;
   91 };
   92 #
   93 # Write to a WMI data block
   94 #
   95 # device_t dev:  Device to use
   96 # const char* guid_string:  String form of the GUID
   97 # UINT8 instance: instance id
   98 # const ACPI_BUFFER* in: input data
   99 #
  100 METHOD ACPI_STATUS set_block {
  101         device_t        dev;
  102         const char      *guid_string;
  103         UINT8           instance;
  104         const ACPI_BUFFER *in;
  105 };
  106 
  107 #
  108 # Install wmi event handler
  109 #
  110 # device_t dev:  Device to use
  111 # const char* guid_string:  String form of the GUID
  112 # ACPI_NOTIFY_HANDLER handler: Handler
  113 # void* data: Payload
  114 #
  115 METHOD ACPI_STATUS install_event_handler {
  116         device_t        dev;
  117         const char      *guid_string;
  118         ACPI_NOTIFY_HANDLER handler;
  119         void            *data;
  120 };
  121 
  122 #
  123 # Remove wmi event handler
  124 #
  125 # device_t dev:  Device to use
  126 # const char* guid_string:  String form of the GUID
  127 #
  128 METHOD ACPI_STATUS remove_event_handler {
  129         device_t        dev;
  130         const char      *guid_string;
  131 };
  132 
  133 
  134 #
  135 # Get event data associated to an event
  136 #
  137 # device_t dev:  Device to use
  138 # UINT32 event_id: event id
  139 # ACPI_BUFFER* out: output buffer
  140 #
  141 METHOD ACPI_STATUS get_event_data {
  142         device_t        dev;
  143         UINT32          event_id;
  144         ACPI_BUFFER     *out;
  145 };

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