IOFireWireMagicMatchingNub.cpp   [plain text]

/*
 * Copyright (c) 1998-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_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. 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
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
 
#include "IOFireWireMagicMatchingNub.h"
#include <IOKit/firewire/IOFireWireFamilyCommon.h>

OSDefineMetaClassAndStructors(IOFireWireMagicMatchingNub, IOService)

bool IOFireWireMagicMatchingNub::matchPropertyTable( OSDictionary * table )
{
    OSObject *clientClass;
    clientClass = table->getObject("IOClass");
    if(!clientClass)
        return false;
        
    return clientClass->isEqualTo( getProperty( "IODesiredChild" ) );
}

// message
//
//

IOReturn IOFireWireMagicMatchingNub::message( 	UInt32 		mess, 
												IOService *	provider,
												void * 		argument )
{
    // Propagate bus reset start/end messages
    if( kIOMessageServiceIsResumed == mess ||
        kIOMessageServiceIsSuspended == mess ||
        kIOMessageServiceIsRequestingClose == mess ||
        kIOFWMessageServiceIsRequestingClose == mess ) 
	{
 		messageClients( mess );
        return kIOReturnSuccess;
    }
	
	if( kIOFWMessagePowerStateChanged == mess )
	{
		messageClients( mess );
		return kIOReturnSuccess;
	}

	if( kIOFWMessageTopologyChanged == mess )
	{
		messageClients( mess );
		return kIOReturnSuccess;
	}
	
    return IOService::message(mess, provider, argument );
}