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 
159