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Annotation of XNU/iokit/IOKit/storage/IOCDMedia.h, 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: /* IOCDMedia.h created by rick on Mon 22-Mar-1999
                     23:  *
                     24:  * This class is the protocol for generic CD Media data functionality, independent of
                     25:  * the physical connection protocol (e.g. SCSI, ATA, USB).
                     26:  *
                     27:  * A subclass implements relay methods that translate our requests into
                     28:  * calls to a protocol- and device-specific provider.
                     29:  */
                     30: 
                     31: #ifndef        _IOCDMEDIA_H
                     32: #define        _IOCDMEDIA_H
                     33: 
                     34: #include <IOKit/storage/IOMedia.h>
                     35: #include "IOCDTypes.h"
                     36: 
                     37: class IOCDDrive;
                     38: 
                     39: class IOCDMedia : public IOMedia {
                     40: 
                     41:     OSDeclareDefaultStructors(IOCDMedia)
                     42: 
                     43: public:
                     44: 
                     45:     /* Overrides from IOService: */
                     46: 
                     47:     virtual bool       attach(IOService *provider);
                     48: 
                     49:     /* end of IOService overrides */
                     50: 
                     51:     /* ----------------------------------------*/
                     52:     /* APIs used by a track-based partitioner. */
                     53:     /* ----------------------------------------*/
                     54:     
                     55:     virtual UInt32     getTrackBlocks(UInt32 track);
                     56:     virtual UInt32     getTrackStartBlock(UInt32 track);
                     57:     virtual bool       trackExists(UInt32 track);
                     58:     virtual bool       trackIsAudio(UInt32 track);
                     59:     virtual bool       trackIsData(UInt32 track);
                     60:    
                     61: protected:
                     62: 
                     63:     IOCDDrive *        _provider;
                     64: };
                     65: #endif

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