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/*
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 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
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 *
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 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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 * 
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 * This file contains Original Code and/or Modifications of Original Code
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 * as defined in and that are subject to the Apple Public Source License
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 * Version 2.0 (the 'License'). You may not use this file except in
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 * compliance with the License. The rights granted to you under the License
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 * may not be used to create, or enable the creation or redistribution of,
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 * unlawful or unlicensed copies of an Apple operating system, or to
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 * circumvent, violate, or enable the circumvention or violation of, any
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 * terms of an Apple operating system software license agreement.
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 * 
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 * Please obtain a copy of the License at
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 * http://www.opensource.apple.com/apsl/ and read it before using this file.
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 * 
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 * The Original Code and all software distributed under the License are
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 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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 * Please see the License for the specific language governing rights and
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 * limitations under the License.
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 * 
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 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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 */
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/*
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 * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved. 
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 *
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 * HISTORY
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 *
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 */
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#ifndef	__OS_OSMESSAGENOTIFICATION_H
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#define __OS_OSMESSAGENOTIFICATION_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <mach/mach_types.h>
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#include <device/device_types.h>
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#include <IOKit/IOReturn.h>
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enum {
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    kFirstIOKitNotificationType 		= 100,
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    kIOServicePublishNotificationType 		= 100,
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    kIOServiceMatchedNotificationType		= 101,
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    kIOServiceTerminatedNotificationType	= 102,
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    kIOAsyncCompletionNotificationType		= 150,
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    kIOServiceMessageNotificationType		= 160,
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    kLastIOKitNotificationType 			= 199,
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    // reserved bits
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    kIOKitNoticationTypeMask                    = 0x00000FFF,
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    kIOKitNoticationTypeSizeAdjShift            = 30,
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    kIOKitNoticationMsgSizeMask                 = 3,
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};
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enum {
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    kOSNotificationMessageID		= 53,
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    kOSAsyncCompleteMessageID		= 57,
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    kMaxAsyncArgs			= 16
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};
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enum {
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    kIOAsyncReservedIndex 	= 0,
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    kIOAsyncReservedCount,
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    kIOAsyncCalloutFuncIndex 	= kIOAsyncReservedCount,
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    kIOAsyncCalloutRefconIndex,
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    kIOAsyncCalloutCount,
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    kIOMatchingCalloutFuncIndex	= kIOAsyncReservedCount,
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    kIOMatchingCalloutRefconIndex,
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    kIOMatchingCalloutCount,
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    kIOInterestCalloutFuncIndex	= kIOAsyncReservedCount,
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    kIOInterestCalloutRefconIndex,
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    kIOInterestCalloutServiceIndex,
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    kIOInterestCalloutCount
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};
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// --------------
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enum {
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    kOSAsyncRef64Count	= 8,
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    kOSAsyncRef64Size 	= kOSAsyncRef64Count * ((int) sizeof(io_user_reference_t))
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};
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typedef io_user_reference_t OSAsyncReference64[kOSAsyncRef64Count];
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struct OSNotificationHeader64 {
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    mach_msg_size_t	size;		/* content size */
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    natural_t		type;
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    OSAsyncReference64	reference;
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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    unsigned char	content[];
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#else
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    unsigned char	content[0];
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#endif
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};
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#pragma pack(4)
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struct IOServiceInterestContent64 {
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    natural_t		messageType;
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    io_user_reference_t	messageArgument[1];
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};
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#pragma pack()
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// --------------
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#if !KERNEL_USER32
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enum {
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    kOSAsyncRefCount	= 8,
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    kOSAsyncRefSize 	= 32
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};
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typedef natural_t OSAsyncReference[kOSAsyncRefCount];
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struct OSNotificationHeader {
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    mach_msg_size_t	size;		/* content size */
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    natural_t		type;
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    OSAsyncReference	reference;
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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    unsigned char	content[];
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#else
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    unsigned char	content[0];
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#endif
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};
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#pragma pack(4)
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struct IOServiceInterestContent {
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    natural_t	messageType;
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    void *	messageArgument[1];
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};
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#pragma pack()
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#endif /* KERNEL_USER32  */
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struct IOAsyncCompletionContent {
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    IOReturn result;
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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    void * args[] __attribute__ ((packed));
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#else
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    void * args[0] __attribute__ ((packed));
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#endif
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};
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#ifndef __cplusplus
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typedef struct OSNotificationHeader OSNotificationHeader;
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typedef struct IOServiceInterestContent IOServiceInterestContent;
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typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /*  __OS_OSMESSAGENOTIFICATION_H */
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