ciderpress/diskimg/SCSIDefs.h

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2007-03-27 17:47:10 +00:00
/*
* CiderPress
* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
* See the file LICENSE for distribution terms.
*/
/*
* Definitions for SCSI (Small Computer System Interface).
*
* These structures and defines are passed to the SCSI driver, so they work
* equally well for ASPI and SPTI
*
* Consult the SCSI-2 and MMC-2 specifications for details.
*/
#ifndef DISKIMG_SCSIDEFS_H
#define DISKIMG_SCSIDEFS_H
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/*
* SCSI-2 operation codes.
*/
typedef enum {
kScsiOpTestUnitReady = 0x00,
kScsiOpRezeroUnit = 0x01,
kScsiOpRewind = 0x01,
kScsiOpRequestBlockAddr = 0x02,
kScsiOpRequestSense = 0x03,
kScsiOpFormatUnit = 0x04,
kScsiOpReadBlockLimits = 0x05,
kScsiOpReassignBlocks = 0x07,
kScsiOpRead6 = 0x08,
kScsiOpReceive = 0x08,
kScsiOpWrite6 = 0x0a,
kScsiOpPrint = 0x0a,
kScsiOpSend = 0x0a,
kScsiOpSeek6 = 0x0b,
kScsiOpTrackSelect = 0x0b,
kScsiOpSlewPrint = 0x0b,
kScsiOpSeekBlock = 0x0c,
kScsiOpPartition = 0x0d,
kScsiOpReadReverse = 0x0f,
kScsiOpWriteFilemarks = 0x10,
kScsiOpFlushBuffer = 0x10,
kScsiOpSpace = 0x11,
kScsiOpInquiry = 0x12,
kScsiOpVerify6 = 0x13,
kScsiOpRecoverBufferedData = 0x14,
kScsiOpModeSelect = 0x15,
kScsiOpReserveUnit = 0x16,
kScsiOpReleaseUnit = 0x17,
kScsiOpCopy = 0x18,
kScsiOpErase = 0x19,
kScsiOpModeSense = 0x1a,
kScsiOpStartStopUnit = 0x1b,
kScsiOpStopPrint = 0x1b,
kScsiOpLoadUnload = 0x1b,
kScsiOpReceiveDiagnosticResults = 0x1c,
kScsiOpSendDiagnostic = 0x1d,
kScsiOpMediumRemoval = 0x1e,
kScsiOpReadFormattedCapacity = 0x23,
kScsiOpReadCapacity = 0x25,
kScsiOpRead = 0x28, // READ(10)
kScsiOpWrite = 0x2a, // WRITE(10)
kScsiOpSeek = 0x2b,
kScsiOpLocate = 0x2b,
kScsiOpPositionToElement = 0x2b,
kScsiOpWriteVerify = 0x2e,
kScsiOpVerify = 0x2f, // VERIFY(10)
kScsiOpSearchDataHigh = 0x30,
kScsiOpSearchDataEqual = 0x31,
kScsiOpSearchDataLow = 0x32,
kScsiOpSetLimits = 0x33,
kScsiOpReadPosition = 0x34,
kScsiOpSynchronizeCache = 0x35,
kScsiOpCompare = 0x39,
kScsiOpCopyAndVerify = 0x3a,
kScsiOpWriteBuffer = 0x3b,
kScsiOpReadBuffer = 0x3c,
kScsiOpChangeDefinition = 0x40,
kScsiOpReadSubChannel = 0x42,
kScsiOpReadTOC = 0x43, // READ TOC/PMA/ATIP
kScsiOpReadHeader = 0x44,
kScsiOpPlayAudio = 0x45,
kScsiOpPlayAudioMSF = 0x47,
kScsiOpPlayTrackIndex = 0x48,
kScsiOpPlayTrackRelative = 0x49,
kScsiOpPauseResume = 0x4b,
kScsiOpLogSelect = 0x4c,
kScsiOpLogSense = 0x4c,
kScsiOpStopPlayScan = 0x4e,
kScsiOpReadDiscInformation = 0x51,
kScsiOpReadTrackInformation = 0x52,
kScsiOpSendOPCInformation = 0x54,
kScsiOpModeSelect10 = 0x55,
kScsiOpRepairTrack = 0x58,
kScsiOpModeSense10 = 0x5a,
kScsiOpReportLuns = 0xa0,
kScsiOpVerify12 = 0xa2,
kScsiOpSendKey = 0xa3,
kScsiOpReportKey = 0xa4,
kScsiOpMoveMedium = 0xa5,
kScsiOpLoadUnloadSlot = 0xa6,
kScsiOpExchangeMedium = 0xa6,
kScsiOpSetReadAhead = 0xa7,
kScsiOpReadDVDStructure = 0xad,
kScsiOpWriteAndVerify = 0xae,
kScsiOpRequestVolElement = 0xb5,
kScsiOpSendVolumeTag = 0xb6,
kScsiOpReadElementStatus = 0xb8,
kScsiOpReadCDMSF = 0xb9,
kScsiOpScanCD = 0xba,
kScsiOpSetCDSpeed = 0xbb,
kScsiOpPlayCD = 0xbc,
kScsiOpMechanismStatus = 0xbd,
kScsiOpReadCD = 0xbe,
kScsiOpInitElementRange = 0xe7,
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} SCSIOperationCode;
/*
* SCSI status codes.
*/
typedef enum {
kScsiStatGood = 0x00,
kScsiStatCheckCondition = 0x02,
kScsiStatConditionMet = 0x04,
kScsiStatBusy = 0x08,
kScsiStatIntermediate = 0x10,
kScsiStatIntermediateCondMet = 0x14,
kScsiStatReservationConflict = 0x18,
kScsiStatCommandTerminated = 0x22,
kScsiStatQueueFull = 0x28,
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} SCSIStatus;
/*
* SCSI sense codes.
*/
typedef enum {
kScsiSenseNoSense = 0x00,
kScsiSenseRecoveredError = 0x01,
kScsiSenseNotReady = 0x02,
kScsiSenseMediumError = 0x03,
kScsiSenseHardwareError = 0x04,
kScsiSenseIllegalRequest = 0x05,
kScsiSenseUnitAttention = 0x06,
kScsiSenseDataProtect = 0x07,
kScsiSenseBlankCheck = 0x08,
kScsiSenseUnqiue = 0x09,
kScsiSenseCopyAborted = 0x0a,
kScsiSenseAbortedCommand = 0x0b,
kScsiSenseEqual = 0x0c,
kScsiSenseVolOverflow = 0x0d,
kScsiSenseMiscompare = 0x0e,
kScsiSenseReserved = 0x0f,
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} SCSISenseCode;
/*
* SCSI additional sense codes.
*/
typedef enum {
kScsiAdSenseNoSense = 0x00,
kScsiAdSenseInvalidMedia = 0x30,
kScsiAdSenseNoMediaInDevice = 0x3a,
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} SCSIAdSenseCode;
/*
* SCSI device types.
*/
typedef enum {
kScsiDevTypeDASD = 0x00, // Disk Device
kScsiDevTypeSEQD = 0x01, // Tape Device
kScsiDevTypePRNT = 0x02, // Printer
kScsiDevTypePROC = 0x03, // Processor
kScsiDevTypeWORM = 0x04, // Write-once read-multiple
kScsiDevTypeCDROM = 0x05, // CD-ROM device
kScsiDevTypeSCAN = 0x06, // Scanner device
kScsiDevTypeOPTI = 0x07, // Optical memory device
kScsiDevTypeJUKE = 0x08, // Medium Changer device
kScsiDevTypeCOMM = 0x09, // Communications device
kScsiDevTypeRESL = 0x0a, // Reserved (low)
kScsiDevTypeRESH = 0x1e, // Reserved (high)
kScsiDevTypeUNKNOWN = 0x1f, // Unknown or no device type
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} SCSIDeviceType;
/*
* Generic 6-byte request block.
*/
typedef struct CDB6 {
unsigned char operationCode;
unsigned char immediate : 1;
unsigned char commandUniqueBits : 4;
unsigned char logicalUnitNumber : 3;
unsigned char commandUniqueBytes[3];
unsigned char link : 1;
unsigned char flag : 1;
unsigned char reserved : 4;
unsigned char vendorUnique : 2;
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} CDB6;
/*
* Generic 10-byte request block.
*
* Use for READ(10), READ CAPACITY.
*/
typedef struct CDB10 {
unsigned char operationCode;
unsigned char relativeAddress : 1;
unsigned char reserved1 : 2;
unsigned char forceUnitAccess : 1;
unsigned char disablePageOut : 1;
unsigned char logicalUnitNumber : 3;
unsigned char logicalBlockAddr0; // MSB
unsigned char logicalBlockAddr1;
unsigned char logicalBlockAddr2;
unsigned char logicalBlockAddr3; // LSB
unsigned char reserved2;
unsigned char transferLength0; // MSB
unsigned char transferLength1; // LSB
unsigned char control;
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} CDB10;
/*
* INQUIRY request block.
*/
typedef struct CDB6Inquiry {
unsigned char operationCode;
unsigned char EVPD : 1;
unsigned char reserved1 : 4;
unsigned char logicalUnitNumber : 3;
unsigned char pageCode;
unsigned char reserved2;
unsigned char allocationLength;
unsigned char control;
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} CDB6Inquiry;
/*
* Sense data (ASPI SenseArea).
*/
typedef struct CDB_SenseData {
unsigned char errorCode:7;
unsigned char valid:1;
unsigned char segmentNumber;
unsigned char senseKey:4;
unsigned char reserved:1;
unsigned char incorrectLength:1;
unsigned char endOfMedia:1;
unsigned char fileMark:1;
unsigned char information[4];
unsigned char additionalSenseLength;
unsigned char commandSpecificInformation[4];
unsigned char additionalSenseCode; // ASC
unsigned char additionalSenseCodeQualifier; // ASCQ
unsigned char fieldReplaceableUnitCode;
unsigned char senseKeySpecific[3];
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} CDB_SenseData;
/*
* Default sense buffer size.
*/
#define kSenseBufferSize 18
//#define INQUIRYDATABUFFERSIZE 36
/*
* Result from INQUIRY.
*/
typedef struct CDB_InquiryData {
unsigned char deviceType : 5;
unsigned char deviceTypeQualifier : 3;
unsigned char deviceTypeModifier : 7;
unsigned char removableMedia : 1;
unsigned char versions;
unsigned char responseDataFormat : 4;
unsigned char reserved1 : 2;
unsigned char trmIOP : 1;
unsigned char AENC : 1;
unsigned char additionalLength;
unsigned char reserved2[2];
unsigned char softReset : 1;
unsigned char commandQueue : 1;
unsigned char reserved3 : 1;
unsigned char linkedCommands : 1;
unsigned char synchronous : 1;
unsigned char wide16Bit : 1;
unsigned char wide32Bit : 1;
unsigned char relativeAddressing : 1;
unsigned char vendorId[8];
unsigned char productId[16];
unsigned char productRevisionLevel[4];
unsigned char vendorSpecific[20];
unsigned char reserved4[40];
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} CDB_InquiryData;
/*
* Result from READ CAPACITY.
*/
typedef struct CDB_ReadCapacityData {
unsigned char logicalBlockAddr0; // MSB
unsigned char logicalBlockAddr1;
unsigned char logicalBlockAddr2;
unsigned char logicalBlockAddr3; // LSB
unsigned char bytesPerBlock0; // MSB
unsigned char bytesPerBlock1;
unsigned char bytesPerBlock2;
unsigned char bytesPerBlock3; // LSB
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} CDB_ReadCapacityData;
#endif /*DISKIMG_SCSIDEFS_H*/