iokit/IOKit/OSMessageNotification.h

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
  30  *
  31  * HISTORY
  32  *
  33  */
  34
  35 #ifndef __OS_OSMESSAGENOTIFICATION_H
  36 #define __OS_OSMESSAGENOTIFICATION_H
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 #include <mach/mach_types.h>
  43 #include <device/device_types.h>
  44 #include <IOKit/IOReturn.h>
  45
  46 enum {
  47         kFirstIOKitNotificationType                 = 100,
  48         kIOServicePublishNotificationType           = 100,
  49         kIOServiceMatchedNotificationType           = 101,
  50         kIOServiceTerminatedNotificationType        = 102,
  51         kIOAsyncCompletionNotificationType          = 150,
  52         kIOServiceMessageNotificationType           = 160,
  53         kLastIOKitNotificationType                  = 199,
  54
  55         // reserved bits
  56         kIOKitNoticationTypeMask                    = 0x00000FFF,
  57         kIOKitNoticationTypeSizeAdjShift            = 30,
  58         kIOKitNoticationMsgSizeMask                 = 3,
  59 };
  60
  61 enum {
  62         kOSNotificationMessageID            = 53,
  63         kOSAsyncCompleteMessageID           = 57,
  64         kMaxAsyncArgs                       = 16
  65 };
  66
  67 enum {
  68         kIOAsyncReservedIndex       = 0,
  69         kIOAsyncReservedCount,
  70
  71         kIOAsyncCalloutFuncIndex    = kIOAsyncReservedCount,
  72         kIOAsyncCalloutRefconIndex,
  73         kIOAsyncCalloutCount,
  74
  75         kIOMatchingCalloutFuncIndex = kIOAsyncReservedCount,
  76         kIOMatchingCalloutRefconIndex,
  77         kIOMatchingCalloutCount,
  78
  79         kIOInterestCalloutFuncIndex = kIOAsyncReservedCount,
  80         kIOInterestCalloutRefconIndex,
  81         kIOInterestCalloutServiceIndex,
  82         kIOInterestCalloutCount
  83 };
  84
  85
  86
  87 // --------------
  88 enum {
  89         kOSAsyncRef64Count  = 8,
  90         kOSAsyncRef64Size   = kOSAsyncRef64Count * ((int) sizeof(io_user_reference_t))
  91 };
  92 typedef io_user_reference_t OSAsyncReference64[kOSAsyncRef64Count];
  93
  94 struct OSNotificationHeader64 {
  95         mach_msg_size_t     size;       /* content size */
  96         natural_t           type;
  97         OSAsyncReference64  reference;
  98
  99 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
 100         unsigned char       content[];
 101 #else
 102         unsigned char       content[0];
 103 #endif
 104 };
 105
 106 #pragma pack(4)
 107 struct IOServiceInterestContent64 {
 108         natural_t           messageType;
 109         io_user_reference_t messageArgument[1];
 110 };
 111 #pragma pack()
 112 // --------------
 113
 114 #if !KERNEL_USER32
 115
 116 enum {
 117         kOSAsyncRefCount    = 8,
 118         kOSAsyncRefSize     = 32
 119 };
 120 typedef natural_t OSAsyncReference[kOSAsyncRefCount];
 121
 122 struct OSNotificationHeader {
 123         mach_msg_size_t     size;       /* content size */
 124         natural_t           type;
 125         OSAsyncReference    reference;
 126
 127 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
 128         unsigned char       content[];
 129 #else
 130         unsigned char       content[0];
 131 #endif
 132 };
 133
 134 #pragma pack(4)
 135 struct IOServiceInterestContent {
 136         natural_t   messageType;
 137         void *      messageArgument[1];
 138 };
 139 #pragma pack()
 140
 141 #endif /* KERNEL_USER32  */
 142
 143 struct IOAsyncCompletionContent {
 144         IOReturn result;
 145 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
 146         void * args[] __attribute__ ((packed));
 147 #else
 148         void * args[0] __attribute__ ((packed));
 149 #endif
 150 };
 151
 152 #ifndef __cplusplus
 153 typedef struct OSNotificationHeader OSNotificationHeader;
 154 typedef struct IOServiceInterestContent IOServiceInterestContent;
 155 typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
 156 #endif
 157
 158 #ifdef __cplusplus
 159 }
 160 #endif
 161
 162 #endif /*  __OS_OSMESSAGENOTIFICATION_H */