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Annotation of XNU/iokit/Families/IOATAPICDDrive/IOATAPICDDriveNub.cpp, revision 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: /*
        !            23:  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved. 
        !            24:  *
        !            25:  * IOATAPICDDriveNub.cpp
        !            26:  *
        !            27:  * This subclass implements a relay to a protocol and device-specific
        !            28:  * provider.
        !            29:  *
        !            30:  * HISTORY
        !            31:  * 2-Sep-1999          Joe Liu (jliu) created.
        !            32:  */
        !            33: 
        !            34: #include <IOKit/IOLib.h>
        !            35: #include <IOKit/storage/ata/IOATAPICDDriveNub.h>
        !            36: #include <IOKit/storage/ata/IOATAPICDDrive.h>
        !            37: 
        !            38: #define        super   IOCDDriveNub
        !            39: OSDefineMetaClassAndStructors( IOATAPICDDriveNub, IOCDDriveNub )
        !            40: 
        !            41: // --------------------------------------------------------------------------
        !            42: // attach to provider.
        !            43: 
        !            44: bool IOATAPICDDriveNub::attach(IOService * provider)
        !            45: {
        !            46:     if (!super::attach(provider))
        !            47:         return false;
        !            48: 
        !            49:     _provider = OSDynamicCast(IOATAPICDDrive, provider);
        !            50:     if (_provider == 0) {
        !            51:         IOLog("IOATAPICDDriveNub: attach; wrong provider type!\n");
        !            52:         return false;
        !            53:     }
        !            54:        
        !            55:        return true;
        !            56: }
        !            57: 
        !            58: // --------------------------------------------------------------------------
        !            59: // detach from provider.
        !            60: 
        !            61: void IOATAPICDDriveNub::detach(IOService * provider)
        !            62: {
        !            63:     if (_provider == provider)
        !            64:                _provider = 0;
        !            65: 
        !            66:     super::detach(provider);
        !            67: }
        !            68: 
        !            69: // --------------------------------------------------------------------------
        !            70: // 
        !            71: 
        !            72: IOReturn IOATAPICDDriveNub::doAsyncReadWrite(IOMemoryDescriptor * buffer,
        !            73:                                              UInt32               block,
        !            74:                                              UInt32               nblks,
        !            75:                                              gdCompletionFunction action,
        !            76:                                              IOService *          target,
        !            77:                                              void *               param)
        !            78: {
        !            79:     if (buffer->getDirection() == kIODirectionOut)
        !            80:         return(kIOReturnNotWritable);
        !            81: 
        !            82:        return (_provider->doAsyncReadWrite(buffer,
        !            83:                                         block,
        !            84:                                         nblks,
        !            85:                                         action,
        !            86:                                         target,
        !            87:                                         param));
        !            88: }
        !            89: 
        !            90: IOReturn IOATAPICDDriveNub::doSyncReadWrite(IOMemoryDescriptor *buffer,
        !            91:                                      UInt32 block,UInt32 nblks)
        !            92: {
        !            93:         return(kIOReturnUnsupported);  //xxx must be implemented!
        !            94: }
        !            95: 
        !            96: // --------------------------------------------------------------------------
        !            97: // 
        !            98: 
        !            99: IOReturn IOATAPICDDriveNub::doEjectMedia()
        !           100: {
        !           101:     return (_provider->doEjectMedia());
        !           102: }
        !           103: 
        !           104: // --------------------------------------------------------------------------
        !           105: // 
        !           106: 
        !           107: IOReturn IOATAPICDDriveNub::doLockUnlockMedia(bool doLock)
        !           108: {
        !           109:     return (_provider->doLockUnlockMedia(doLock));
        !           110: }
        !           111: 
        !           112: // --------------------------------------------------------------------------
        !           113: // 
        !           114: 
        !           115: IOReturn IOATAPICDDriveNub::executeCdb(struct cdbParams *params)
        !           116: {
        !           117:     return(kIOReturnUnsupported);              // xxx must be implemented!
        !           118: }
        !           119: 
        !           120: // --------------------------------------------------------------------------
        !           121: // 
        !           122: 
        !           123: char * IOATAPICDDriveNub::getVendorString()
        !           124: {
        !           125:     return (_provider->getVendorString());
        !           126: }
        !           127: 
        !           128: // --------------------------------------------------------------------------
        !           129: // 
        !           130: 
        !           131: char * IOATAPICDDriveNub::getProductString()
        !           132: {
        !           133:     return (_provider->getProductString());
        !           134: }
        !           135: 
        !           136: // --------------------------------------------------------------------------
        !           137: // 
        !           138: 
        !           139: char * IOATAPICDDriveNub::getRevisionString()
        !           140: {
        !           141:     return (_provider->getRevisionString());
        !           142: }
        !           143: 
        !           144: // --------------------------------------------------------------------------
        !           145: // 
        !           146: 
        !           147: char * IOATAPICDDriveNub::getAdditionalDeviceInfoString()
        !           148: {
        !           149:     return (_provider->getAdditionalDeviceInfoString());
        !           150: }
        !           151: 
        !           152: // --------------------------------------------------------------------------
        !           153: // 
        !           154: 
        !           155: IOReturn IOATAPICDDriveNub::reportBlockSize(UInt64 * blockSize)
        !           156: {
        !           157:     return (_provider->reportBlockSize(blockSize));
        !           158: }
        !           159: 
        !           160: // --------------------------------------------------------------------------
        !           161: // 
        !           162: 
        !           163: IOReturn IOATAPICDDriveNub::reportEjectability(bool * isEjectable)
        !           164: {
        !           165:     return (_provider->reportEjectability(isEjectable));
        !           166: }
        !           167: 
        !           168: // --------------------------------------------------------------------------
        !           169: // 
        !           170: 
        !           171: IOReturn IOATAPICDDriveNub::reportLockability(bool * isLockable)
        !           172: {
        !           173:     return (_provider->reportLockability(isLockable));
        !           174: }
        !           175: 
        !           176: // --------------------------------------------------------------------------
        !           177: // 
        !           178: 
        !           179: IOReturn IOATAPICDDriveNub::reportMediaState(bool * mediaPresent,
        !           180:                                              bool * changed)    
        !           181: {
        !           182:     return (_provider->reportMediaState(mediaPresent, changed));
        !           183: }
        !           184: 
        !           185: // --------------------------------------------------------------------------
        !           186: // 
        !           187: 
        !           188: IOReturn IOATAPICDDriveNub::reportPollRequirements(bool * pollIsRequired,
        !           189:                                                    bool * pollIsExpensive)
        !           190: {
        !           191:     return (_provider->reportPollRequirements(pollIsRequired, 
        !           192:                                               pollIsExpensive));
        !           193: }
        !           194: 
        !           195: // --------------------------------------------------------------------------
        !           196: // 
        !           197: 
        !           198: IOReturn IOATAPICDDriveNub::reportMaxReadTransfer(UInt64   blockSize,
        !           199:                                                   UInt64 * max)
        !           200: {
        !           201:     return (_provider->reportMaxReadTransfer(blockSize, max));
        !           202: }
        !           203: 
        !           204: // --------------------------------------------------------------------------
        !           205: // 
        !           206: 
        !           207: IOReturn IOATAPICDDriveNub::reportMaxValidBlock(UInt64 * maxBlock)
        !           208: {
        !           209:     return (_provider->reportMaxValidBlock(maxBlock));
        !           210: }
        !           211: 
        !           212: // --------------------------------------------------------------------------
        !           213: // 
        !           214: 
        !           215: IOReturn IOATAPICDDriveNub::reportRemovability(bool * isRemovable)
        !           216: {
        !           217:     return (_provider->reportRemovability(isRemovable));
        !           218: }
        !           219: 
        !           220: // --------------------------------------------------------------------------
        !           221: // Audio commands are rejected until our provider implements the
        !           222: // functionality.
        !           223: 
        !           224: IOReturn IOATAPICDDriveNub::audioPause(bool pause)
        !           225: {
        !           226:     return (_provider->audioPause(pause));
        !           227: }
        !           228: 
        !           229: IOReturn IOATAPICDDriveNub::audioScan(positioningType addressType,
        !           230:                                       cdAddress       address,
        !           231:                                       bool            reverse)
        !           232: {
        !           233:     return kIOReturnUnsupported;
        !           234: }
        !           235: 
        !           236: IOReturn IOATAPICDDriveNub::readAudioData(positioningType addressType,
        !           237:                                           cdAddress       address,
        !           238:                                           UInt8           blockCount,
        !           239:                                           UInt8 *         buffer)
        !           240: {
        !           241:     return kIOReturnUnsupported;
        !           242: }
        !           243: 
        !           244: IOReturn IOATAPICDDriveNub::readAudioSubcodes(positioningType addressType,
        !           245:                                               cdAddress       address,
        !           246:                                               UInt8           blockCount,
        !           247:                                               UInt8 *         buffer)
        !           248: {
        !           249:     return kIOReturnUnsupported;
        !           250: }
        !           251: 
        !           252: IOReturn IOATAPICDDriveNub::readAudioWithQSubcode(positioningType addressType,
        !           253:                                                   cdAddress       address,
        !           254:                                                   UInt8           blockCount,
        !           255:                                                   UInt8 *         buffer)
        !           256: {
        !           257:     return kIOReturnUnsupported;
        !           258: }
        !           259: 
        !           260: IOReturn IOATAPICDDriveNub::readAudioWithAllSubcodes(
        !           261:                                             positioningType addressType,
        !           262:                                             cdAddress       address,
        !           263:                                             UInt8           blockCount,
        !           264:                                             UInt8 *         buffer)
        !           265: {
        !           266:     return kIOReturnUnsupported;
        !           267: }
        !           268: 
        !           269: IOReturn IOATAPICDDriveNub::readHeader(UInt32              blockAddress,
        !           270:                                        struct headerInfo * buffer)
        !           271: {
        !           272:     return (_provider->readHeader(blockAddress,buffer));
        !           273: }
        !           274: 
        !           275: IOReturn IOATAPICDDriveNub::readISRC(UInt32  track,
        !           276:                                      UInt8 * buffer,
        !           277:                                      bool * found)
        !           278: {
        !           279:     return (_provider->readISRC(track,buffer,found));
        !           280: }
        !           281: 
        !           282: IOReturn IOATAPICDDriveNub::readMCN(UInt8 * buffer, bool * found)
        !           283: {
        !           284:     return (_provider->readMCN(buffer,found));
        !           285: }
        !           286: 
        !           287: IOReturn IOATAPICDDriveNub::readQSubcodes(struct qSubcodeTocInfo * buffer,
        !           288:                                           UInt32                   bufSize)
        !           289: {
        !           290:     return kIOReturnUnsupported;
        !           291: }
        !           292: 
        !           293: IOReturn IOATAPICDDriveNub::readSubcodeBuffer(UInt8 * buffer,
        !           294:                                               bool    purge,
        !           295:                                               UInt32  entryCount)
        !           296: {
        !           297:     return kIOReturnUnsupported;
        !           298: }
        !           299: 
        !           300: IOReturn IOATAPICDDriveNub::readTheQSubcode(struct qSubcode * buffer)
        !           301: {
        !           302:     return (_provider->readTheQSubcode(buffer));
        !           303: }
        !           304: 
        !           305: IOReturn IOATAPICDDriveNub::readTOC(struct rawToc * buffer,
        !           306:                                     UInt32          length,
        !           307:                                     tocFormat       format)
        !           308: {
        !           309:     return (_provider->readTOC(buffer, length, format));
        !           310: }
        !           311: 
        !           312: IOReturn IOATAPICDDriveNub::setAudioStopAddress(positioningType addressType,
        !           313:                                                 cdAddress       address)
        !           314: {
        !           315:     return (_provider->setAudioStopAddress(addressType, address));
        !           316: }
        !           317: 
        !           318: IOReturn IOATAPICDDriveNub::audioPlay(positioningType addressType,
        !           319:                                       cdAddress       address,
        !           320:                                       audioPlayMode   mode)
        !           321: {
        !           322:     return (_provider->audioPlay(addressType, address, mode));
        !           323: }
        !           324: 
        !           325: IOReturn IOATAPICDDriveNub::audioTrackSearch(positioningType addressType,
        !           326:                                              cdAddress       address,
        !           327:                                              bool            startPlay,
        !           328:                                              audioPlayMode   mode)
        !           329: {
        !           330:     return kIOReturnUnsupported;
        !           331: }
        !           332: 
        !           333: IOReturn IOATAPICDDriveNub::getAudioStatus(struct audioStatus * status)
        !           334: {
        !           335:     return (_provider->getAudioStatus(status));
        !           336: }
        !           337: 
        !           338: IOReturn IOATAPICDDriveNub::readAudioVolume(UInt8 * leftVolume,
        !           339:                                             UInt8 * rightVolume)
        !           340: {
        !           341:     return (_provider->readAudioVolume(leftVolume, rightVolume));
        !           342: }
        !           343: 
        !           344: IOReturn IOATAPICDDriveNub::setVolume(UInt8 leftVolume, UInt8 rightVolume)
        !           345: {
        !           346:     return (_provider->setVolume(leftVolume, rightVolume));
        !           347: }
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