Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | /* * 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@ */ /* * * IOATACommand.h * */ #ifndef _IOATACOMMAND_H #define _IOATACOMMAND_H class IOATADevice; class IOATACommand; class IOATACommand : public IOCDBCommand { OSDeclareAbstractStructors(IOATACommand) /*------------------Methods provided to IOCDBCommand users -------------------------*/ public: /* * Set/Get IOMemoryDescriptor object to I/O data buffer or sense data buffer. */ virtual void setPointers( IOMemoryDescriptor *desc, UInt32 transferCount, bool isWrite, bool isSense = false ) = 0; virtual void getPointers( IOMemoryDescriptor **desc, UInt32 *transferCount, bool *isWrite, bool isSense = false ) = 0; /* * Set/Get command timeout (mS) */ virtual void setTimeout( UInt32 timeoutmS ) = 0; virtual UInt32 getTimeout() = 0; /* * Set async callback routine. Specifying no parameters indicates synchronous call. */ virtual void setCallback( void *target = 0, CallbackFn callback = 0, void *refcon = 0 ) = 0; /* * Set/Get CDB information. (Generic CDB version) */ virtual void setCDB( CDBInfo *cdbInfo ) = 0; virtual void getCDB( CDBInfo *cdbInfo ) = 0; /* * Get CDB results. (Generic CDB version) */ virtual IOReturn getResults( CDBResults *cdbResults ) = 0; /* * Get CDB Device this command is directed to. */ virtual IOCDBDevice *getDevice( IOCDBDevice *deviceType ) = 0; /* * Command verbs */ virtual bool execute( UInt32 *sequenceNumber = 0 ) = 0; virtual void abort( UInt32 sequenceNumber ) = 0; virtual void complete() = 0; /* * Get pointers to client and command data. */ virtual void *getCommandData() = 0; virtual void *getClientData() = 0; /* * Get unique sequence number assigned to command. */ virtual UInt32 getSequenceNumber() = 0; /*------------------ Additional methods provided to IOATACommand users -------------------------*/ public: /* * Set/Get ATA taskfile information. */ virtual void setTaskfile( ATATaskfile *taskfile ) = 0; virtual void getTaskfile( ATATaskfile *taskfile ) = 0; virtual ATAProtocol getProtocol() = 0; virtual UInt32 getResultMask() = 0; virtual UInt32 getFlags() = 0; /* * Set/Get CDB information. (ATA specific version). */ virtual void setCDB( ATACDBInfo *scsiCmd ) = 0; virtual void getCDB( ATACDBInfo *scsiCmd ) = 0; /* * Get/Set CDB results. (ATA specific version). */ virtual IOReturn getResults( ATAResults *results ) = 0; virtual void setResults( ATAResults *results ) = 0; /* * Get ATA Device this command is directed to. */ virtual IOATADevice *getDevice( IOATADevice *deviceType ) = 0; /* * Get ATA Target/Lun for this command. */ virtual ATAUnit getUnit() = 0; /* * Get/Set queue routing for this command. */ virtual void setQueueInfo( UInt32 forQueueType = kATAQTypeNormalQ, UInt32 forQueuePosition = kATAQPositionTail ) = 0; virtual void getQueueInfo( UInt32 *forQueueType, UInt32 *forQueuePosition = 0 ) = 0; }; #endif |