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
39extern "C" {
40#endif
41
42#include <mach/mach_types.h>
43#include <device/device_types.h>
44#include <IOKit/IOReturn.h>
45
46enum {
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
61enum {
62 kOSNotificationMessageID = 53,
63 kOSAsyncCompleteMessageID = 57,
64 kMaxAsyncArgs = 16
65};
66
67enum {
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// --------------
88enum {
89 kOSAsyncRef64Count = 8,
90 kOSAsyncRef64Size = kOSAsyncRef64Count * ((int) sizeof(io_user_reference_t))
91};
92typedef io_user_reference_t OSAsyncReference64[kOSAsyncRef64Count];
93
94struct 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)
107struct IOServiceInterestContent64 {
108 natural_t messageType;
109 io_user_reference_t messageArgument[1];
110};
111#pragma pack()
112// --------------
113
114#if !KERNEL_USER32
115
116enum {
117 kOSAsyncRefCount = 8,
118 kOSAsyncRefSize = 32
119};
120typedef natural_t OSAsyncReference[kOSAsyncRefCount] __kernel_ptr_semantics;
121
122struct 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)
135struct IOServiceInterestContent {
136 natural_t messageType;
137 void * messageArgument[1];
138};
139#pragma pack()
140
141#endif /* KERNEL_USER32 */
142
143struct 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
153typedef struct OSNotificationHeader OSNotificationHeader;
154typedef struct IOServiceInterestContent IOServiceInterestContent;
155typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
156#endif
157
158#ifdef __cplusplus
159}
160#endif
161
162#endif /* __OS_OSMESSAGENOTIFICATION_H */
163