iokit/IOKit/OSMessageNotification.h

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
  27  *
  28  * HISTORY
  29  *
  30  */
  31
  32 #ifndef __OS_OSMESSAGENOTIFICATION_H
  33 #define __OS_OSMESSAGENOTIFICATION_H
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 #include <mach/mach_types.h>
  40 #include <IOKit/IOReturn.h>
  41
  42 enum {
  43     kFirstIOKitNotificationType                 = 100,
  44     kIOServicePublishNotificationType           = 100,
  45     kIOServiceMatchedNotificationType           = 101,
  46     kIOServiceTerminatedNotificationType        = 102,
  47     kIOAsyncCompletionNotificationType          = 150,
  48     kIOServiceMessageNotificationType           = 160,
  49     kLastIOKitNotificationType                  = 199
  50 };
  51
  52 enum {
  53     kOSNotificationMessageID            = 53,
  54     kOSAsyncCompleteMessageID           = 57,
  55     kMaxAsyncArgs                       = 16
  56 };
  57
  58 enum {
  59     kIOAsyncReservedIndex       = 0,
  60     kIOAsyncReservedCount,
  61
  62     kIOAsyncCalloutFuncIndex    = kIOAsyncReservedCount,
  63     kIOAsyncCalloutRefconIndex,
  64     kIOAsyncCalloutCount,
  65
  66     kIOMatchingCalloutFuncIndex = kIOAsyncReservedCount,
  67     kIOMatchingCalloutRefconIndex,
  68     kIOMatchingCalloutCount,
  69
  70     kIOInterestCalloutFuncIndex = kIOAsyncReservedCount,
  71     kIOInterestCalloutRefconIndex,
  72     kIOInterestCalloutServiceIndex,
  73     kIOInterestCalloutCount
  74 };
  75
  76 enum {
  77     kOSAsyncRefCount    = 8,
  78     kOSAsyncRefSize     = 32
  79 };
  80 typedef natural_t OSAsyncReference[kOSAsyncRefCount];
  81
  82 struct OSNotificationHeader {
  83     vm_size_t           size;           /* content size */
  84     natural_t           type;
  85     OSAsyncReference    reference;
  86     unsigned char       content[0];
  87 };
  88
  89 struct IOServiceInterestContent {
  90     natural_t   messageType;
  91     void *      messageArgument[1];
  92 };
  93
  94 struct IOAsyncCompletionContent {
  95     IOReturn result;
  96     void * args[0];
  97 };
  98
  99 #ifndef __cplusplus
 100 typedef struct OSNotificationHeader OSNotificationHeader;
 101 typedef struct IOServiceInterestContent IOServiceInterestContent;
 102 typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
 103 #endif
 104
 105 #ifdef __cplusplus
 106 }
 107 #endif
 108
 109 #endif /*  __OS_OSMESSAGENOTIFICATION_H */
 110