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Annotation of XNU/iokit/Families/IOATABus/IOATACommand.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:  *
        !            24:  * IOATACommand.cpp
        !            25:  *
        !            26:  */
        !            27: 
        !            28: #include <IOKit/ata/IOATA.h>
        !            29: #include <IOKit/ata/IOATAController.h>
        !            30: 
        !            31: #undef super
        !            32: #define super OSObject
        !            33: 
        !            34: OSDefineMetaClassAndStructors( IOATACommand, OSObject ) 
        !            35: 
        !            36: IOATADevice *IOATACommand::getDevice()
        !            37: {
        !            38:     return device;
        !            39: }
        !            40: 
        !            41: IOCommandQueue *IOATACommand::getDeviceQueue()
        !            42: {
        !            43:     return deviceQueue;
        !            44: }
        !            45: 
        !            46: IOATAController *IOATACommand::getController()
        !            47: {
        !            48:     return controller;
        !            49: }
        !            50: 
        !            51: void *IOATACommand::getClientData()
        !            52: {
        !            53:     return clientData;
        !            54: }
        !            55: 
        !            56: void *IOATACommand::getControllerData()
        !            57: {
        !            58:     return controllerData;
        !            59: }
        !            60: 
        !            61: void IOATACommand::setTaskfile( ATATaskfile *srcTaskfile )
        !            62: {
        !            63:     taskfile  = *srcTaskfile;
        !            64:     flags    |= atacmdTaskfileValid;
        !            65: }
        !            66: 
        !            67: void IOATACommand::getTaskfile( ATATaskfile *dstTaskfile )
        !            68: {
        !            69:     *dstTaskfile = taskfile;
        !            70: }
        !            71: 
        !            72: ATAProtocol IOATACommand::getProtocol()
        !            73: {
        !            74:     return taskfile.protocol;
        !            75: }
        !            76: 
        !            77: UInt32 IOATACommand::getResultMask()
        !            78: {
        !            79:     return taskfile.resultmask;
        !            80: }
        !            81: 
        !            82: void IOATACommand::setTimeout( UInt32 timeoutMS )
        !            83: {
        !            84:     timeout = timeoutMS;
        !            85: }
        !            86: 
        !            87: UInt32 IOATACommand::getTimeout()
        !            88: {
        !            89:     return timeout;
        !            90: }
        !            91: 
        !            92: 
        !            93: void IOATACommand::setResults( ATAResults *srcResults )
        !            94: {
        !            95:     results   = *srcResults;
        !            96: 
        !            97:     flags    |= atacmdResultsValid;
        !            98: }
        !            99: 
        !           100: ATAReturnCode IOATACommand::getResults( ATAResults *dstResults )
        !           101: {
        !           102:     *dstResults = results;
        !           103:     return results.returnCode;
        !           104: }
        !           105: 
        !           106: void IOATACommand::setPointers(  IOMemoryDescriptor *clientDesc, UInt32 transferCount, bool isWrite  )
        !           107: {
        !           108:     xferDesc       = clientDesc;
        !           109:     xferCount      = transferCount;
        !           110:     xferDirection  = isWrite;
        !           111: 
        !           112:     flags    |= atacmdPointersValid;    
        !           113: }
        !           114: 
        !           115: void IOATACommand::getPointers(  IOMemoryDescriptor **clientDesc, UInt32 *transferCount, bool *isWrite  )
        !           116: {
        !           117:     if ( clientDesc != NULL )
        !           118:     {
        !           119:         *clientDesc = xferDesc;
        !           120:     }
        !           121:     
        !           122:     if ( transferCount != NULL )
        !           123:     {
        !           124:         *transferCount = xferCount;
        !           125:     }
        !           126:  
        !           127:     if ( isWrite != NULL )
        !           128:     {
        !           129:         *isWrite       = xferDirection;
        !           130:     }
        !           131: }
        !           132: 
        !           133: void IOATACommand::setATAPICmd( ATAPICmd *clientATAPICmd, IOMemoryDescriptor *clientSenseData, UInt32 clientSenseLength  )     
        !           134: {
        !           135:     atapiCmd    = *clientATAPICmd;
        !           136:     senseLength = clientSenseLength;
        !           137:     senseData   = clientSenseData;
        !           138: 
        !           139:     flags      |= atacmdATAPIInfoValid;
        !           140: }
        !           141: 
        !           142: void IOATACommand::getATAPICmd( ATAPICmd *clientATAPICmd, IOMemoryDescriptor **clientSenseData, UInt32 *clientSenseLength )    
        !           143: {
        !           144:     if ( clientATAPICmd != NULL )
        !           145:     {
        !           146:         *clientATAPICmd = atapiCmd;
        !           147:     }
        !           148: 
        !           149:     if ( clientSenseLength != NULL )
        !           150:     {
        !           151:         *clientSenseLength = senseLength;
        !           152:     }
        !           153: 
        !           154:     if ( clientSenseData != NULL )
        !           155:     {
        !           156:         *clientSenseData = senseData;
        !           157:     }
        !           158: }
        !           159: 
        !           160: void IOATACommand::setCallback( void *clientTarget, ATACallback clientATADoneFn, void *clientRefcon )
        !           161: {
        !           162:     if ( clientATADoneFn == NULL )
        !           163:     {
        !           164:         flags &= ~atacmdCallbackValid;
        !           165:     }
        !           166:     else
        !           167:     {
        !           168:         completionInfo.async.target    = clientTarget;
        !           169:         completionInfo.async.ataDoneFn = clientATADoneFn;
        !           170:         completionInfo.async.refcon    = clientRefcon;
        !           171: 
        !           172:         flags      |= atacmdCallbackValid;
        !           173:     }
        !           174: }
        !           175: 
        !           176: bool IOATACommand::execute()
        !           177: {
        !           178:     return device->executeCommand( this );
        !           179: }
        !           180: 
        !           181: void IOATACommand::complete()
        !           182: {
        !           183:     device->completeCommand( this );
        !           184: }
        !           185: 
        !           186: void IOATACommand::clear()
        !           187: {
        !           188:     if ( dataSize )
        !           189:     {
        !           190:         bzero( dataArea, dataSize );
        !           191:     }
        !           192:       
        !           193:    flags = 0;
        !           194: }
        !           195: 
        !           196: void IOATACommand::setController( IOATAController *ctlr )
        !           197: {
        !           198:     controller = ctlr;
        !           199: }
        !           200: 
        !           201: void IOATACommand::setDevice( IOATADevice *dev )
        !           202: {
        !           203:     device = dev;
        !           204: }
        !           205:     

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