Source to iokit/Families/IOCDDrive/IOCDDriveNub.cpp

/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
#include <IOKit/storage/IOCDDriveNub.h>

#define	super	IOHDDriveNub
OSDefineMetaClass(IOCDDriveNub,IOHDDriveNub)
OSDefineAbstractStructors(IOCDDriveNub,IOHDDriveNub)

/* These methods should not be called for a CD, except possibly for reportWriteProtection. */

IOReturn
IOCDDriveNub::doFormatMedia(UInt64 /* byteCapacity */)
{
    return(kIOReturnUnsupported);
}

UInt32
IOCDDriveNub::doGetFormatCapacities(UInt64 * /* capacities */,UInt32 /*  capacitiesMaxCount */) const
{
    return(kIOReturnUnsupported);
}

IOReturn
IOCDDriveNub::doSynchronizeCache(void)
{
    return(kIOReturnUnsupported);
}

bool
IOCDDriveNub::init(OSDictionary * properties)
{
    bool result;

    result = super::init(properties);
    if (result) {
        setProperty(kDeviceTypeProperty,kDeviceTypeCDROM);
    }

    return(result);
}

IOReturn
IOCDDriveNub::reportMaxWriteTransfer(UInt64 /* blockSize */,UInt64 * /* max */)
{
    return(0);
}

IOReturn