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Annotation of XNU/iokit/Families/IOCDDrive/IOCDDriveNub.cpp, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: #include <IOKit/storage/IOCDDriveNub.h>
                     23: 
                     24: #define        super   IOHDDriveNub
                     25: OSDefineMetaClass(IOCDDriveNub,IOHDDriveNub)
                     26: OSDefineAbstractStructors(IOCDDriveNub,IOHDDriveNub)
                     27: 
                     28: /* These methods should not be called for a CD, except possibly for reportWriteProtection. */
                     29: 
                     30: IOReturn
                     31: IOCDDriveNub::doFormatMedia(UInt64 /* byteCapacity */)
                     32: {
                     33:     return(kIOReturnUnsupported);
                     34: }
                     35: 
                     36: UInt32
                     37: IOCDDriveNub::doGetFormatCapacities(UInt64 * /* capacities */,UInt32 /*  capacitiesMaxCount */) const
                     38: {
                     39:     return(kIOReturnUnsupported);
                     40: }
                     41: 
                     42: IOReturn
                     43: IOCDDriveNub::doSynchronizeCache(void)
                     44: {
                     45:     return(kIOReturnUnsupported);
                     46: }
                     47: 
                     48: bool
                     49: IOCDDriveNub::init(OSDictionary * properties)
                     50: {
                     51:     bool result;
                     52: 
                     53:     result = super::init(properties);
                     54:     if (result) {
                     55:         setProperty(kDeviceTypeProperty,kDeviceTypeCDROM);
                     56:     }
                     57: 
                     58:     return(result);
                     59: }
                     60: 
                     61: IOReturn
                     62: IOCDDriveNub::reportMaxWriteTransfer(UInt64 /* blockSize */,UInt64 * /* max */)
                     63: {
                     64:     return(0);
                     65: }
                     66: 
                     67: IOReturn
                     68: IOCDDriveNub::reportWriteProtection(bool *isWriteProtected)
                     69: {
                     70:     *isWriteProtected = true;
                     71:     return(kIOReturnSuccess);
                     72: }

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