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
56enum {
57    kOSNotificationMessageID		= 53,
58    kOSAsyncCompleteMessageID		= 57,
59    kMaxAsyncArgs			= 16
60};
61
62enum {
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// --------------
83enum {
84    kOSAsyncRef64Count	= 8,
85    kOSAsyncRef64Size 	= kOSAsyncRef64Count * ((int) sizeof(io_user_reference_t))
86};
87typedef io_user_reference_t OSAsyncReference64[kOSAsyncRef64Count];
88
89struct 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)
102struct IOServiceInterestContent64 {
103    natural_t		messageType;
104    io_user_reference_t	messageArgument[1];
105};
106#pragma pack()
107// --------------
108
109#if !KERNEL_USER32
110
111enum {
112    kOSAsyncRefCount	= 8,
113    kOSAsyncRefSize 	= 32
114};
115typedef natural_t OSAsyncReference[kOSAsyncRefCount];
116
117struct 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)
130struct IOServiceInterestContent {
131    natural_t	messageType;
132    void *	messageArgument[1];
133};
134#pragma pack()
135
136#endif /* KERNEL_USER32  */
137
138struct 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
148typedef struct OSNotificationHeader OSNotificationHeader;
149typedef struct IOServiceInterestContent IOServiceInterestContent;
150typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
151#endif
152
153#ifdef __cplusplus
154}
155#endif
156
157#endif /*  __OS_OSMESSAGENOTIFICATION_H */
158
159