/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
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 */

#ifndef __IOKIT_IOMESSAGE_H
#define __IOKIT_IOMESSAGE_H

#include <IOKit/IOReturn.h>
#include <IOKit/IOTypes.h>

typedef UInt32 IOMessage;

#define iokit_common_msg(message)          (UInt32)(sys_iokit|sub_iokit_common|message)
#define iokit_family_msg(sub,message)      (UInt32)(sys_iokit|sub|message)

/*! @defined iokit_vendor_specific_msg
    @discussion iokit_vendor_specific_msg passes messages in the sub_iokit_vendor_specific
    subsystem. It can be used to be generate messages that are used for private 
    communication between vendor specific code with the  IOService::message() etc. APIs.
*/
#define iokit_vendor_specific_msg(message) (UInt32)(sys_iokit|sub_iokit_vendor_specific|message)

#define kIOMessageServiceIsTerminated      iokit_common_msg(0x010)
#define kIOMessageServiceIsSuspended       iokit_common_msg(0x020)
#define kIOMessageServiceIsResumed         iokit_common_msg(0x030)

#define kIOMessageServiceIsRequestingClose iokit_common_msg(0x100)
#define kIOMessageServiceIsAttemptingOpen  iokit_common_msg(0x101)
#define kIOMessageServiceWasClosed         iokit_common_msg(0x110)

#define kIOMessageServiceBusyStateChange   iokit_common_msg(0x120)

#define kIOMessageServicePropertyChange    iokit_common_msg(0x130)

#define kIOMessageCanDevicePowerOff        iokit_common_msg(0x200)
#define kIOMessageDeviceWillPowerOff       iokit_common_msg(0x210)
#define kIOMessageDeviceWillNotPowerOff    iokit_common_msg(0x220)
#define kIOMessageDeviceHasPoweredOn       iokit_common_msg(0x230)
#define kIOMessageCanSystemPowerOff        iokit_common_msg(0x240)
#define kIOMessageSystemWillPowerOff       iokit_common_msg(0x250)
#define kIOMessageSystemWillNotPowerOff    iokit_common_msg(0x260)
#define kIOMessageCanSystemSleep           iokit_common_msg(0x270)
#define kIOMessageSystemWillSleep          iokit_common_msg(0x280)
#define kIOMessageSystemWillNotSleep       iokit_common_msg(0x290)
#define kIOMessageSystemHasPoweredOn       iokit_common_msg(0x300)
#define kIOMessageSystemWillRestart        iokit_common_msg(0x310)
#define kIOMessageSystemWillPowerOn        iokit_common_msg(0x320)

#endif /* ! __IOKIT_IOMESSAGE_H */
