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
  56 enum {
  57     kOSNotificationMessageID            = 53,
  58     kOSAsyncCompleteMessageID           = 57,
  59     kMaxAsyncArgs                       = 16
  60 };
  61
  62 enum {
  63     kIOAsyncReservedIndex       = 0,
  64     kIOAsyncReservedCount,
  65
  66     kIOAsyncCalloutFuncIndex    = kIOAsyncReservedCount,
  67     kIOAsyncCalloutRefconIndex,
  68     kIOAsyncCalloutCount,
  69
  70     kIOMatchingCalloutFuncIndex = kIOAsyncReservedCount,
  71     kIOMatchingCalloutRefconIndex,
  72     kIOMatchingCalloutCount,
  73
  74     kIOInterestCalloutFuncIndex = kIOAsyncReservedCount,
  75     kIOInterestCalloutRefconIndex,
  76     kIOInterestCalloutServiceIndex,
  77     kIOInterestCalloutCount
  78 };
  79
  80
  81
  82 // --------------
  83 enum {
  84     kOSAsyncRef64Count  = 8,
  85     kOSAsyncRef64Size   = kOSAsyncRef64Count * ((int) sizeof(io_user_reference_t))
  86 };
  87 typedef io_user_reference_t OSAsyncReference64[kOSAsyncRef64Count];
  88
  89 struct OSNotificationHeader64 {
  90     mach_msg_size_t     size;           /* content size */
  91     natural_t           type;
  92     OSAsyncReference64  reference;
  93
  94 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
  95     unsigned char       content[];
  96 #else
  97     unsigned char       content[0];
  98 #endif
  99 };
 100
 101 #pragma pack(4)
 102 struct IOServiceInterestContent64 {
 103     natural_t           messageType;
 104     io_user_reference_t messageArgument[1];
 105 };
 106 #pragma pack()
 107 // --------------
 108
 109 #if !KERNEL_USER32
 110
 111 enum {
 112     kOSAsyncRefCount    = 8,
 113     kOSAsyncRefSize     = 32
 114 };
 115 typedef natural_t OSAsyncReference[kOSAsyncRefCount];
 116
 117 struct OSNotificationHeader {
 118     mach_msg_size_t     size;           /* content size */
 119     natural_t           type;
 120     OSAsyncReference    reference;
 121
 122 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
 123     unsigned char       content[];
 124 #else
 125     unsigned char       content[0];
 126 #endif
 127 };
 128
 129 #pragma pack(4)
 130 struct IOServiceInterestContent {
 131     natural_t   messageType;
 132     void *      messageArgument[1];
 133 };
 134 #pragma pack()
 135
 136 #endif /* KERNEL_USER32  */
 137
 138 struct IOAsyncCompletionContent {
 139     IOReturn result;
 140 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
 141     void * args[] __attribute__ ((packed));
 142 #else
 143     void * args[0] __attribute__ ((packed));
 144 #endif
 145 };
 146
 147 #ifndef __cplusplus
 148 typedef struct OSNotificationHeader OSNotificationHeader;
 149 typedef struct IOServiceInterestContent IOServiceInterestContent;
 150 typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
 151 #endif
 152
 153 #ifdef __cplusplus
 154 }
 155 #endif
 156
 157 #endif /*  __OS_OSMESSAGENOTIFICATION_H */
 158