/*static char *SCCSID = "@(#)scsi.h 6.2 92/03/03";*/ /* Copyright (C) 1992 IBM Corporation */ /* Typedefs to resolve forward references */ typedef struct _SCSIReqSenseData SCSI_REQSENSE_DATA; typedef struct _SCSIReqSenseData FAR *PSCSI_REQSENSE_DATA; typedef struct _SCSIReqSenseData *NPSCSI_REQSENSE_DATA; typedef struct _SCSICDB6 SCSICDB6; typedef struct _SCSICDB6 FAR *PSCSICDB6; typedef struct _SCSICDB6 *NPSCSICDB6; typedef struct _SCSICDB10 SCSICDB10; typedef struct _SCSICDB10 FAR *PSCSICDB10; typedef struct _SCSICDB10 *NPSCSICDB10; typedef struct _SCSICDB12 SCSICDB12; typedef struct _SCSICDB12 FAR *PSCSICDB12; typedef struct _SCSICDB12 *NPSCSICDB12; typedef struct _SCSIStatusBlock SCSI_STATUS_BLOCK; typedef struct _SCSIStatusBlock FAR *PSCSI_STATUS_BLOCK; typedef struct _SCSIStatusBlock *NPSCSI_STATUS_BLOCK; typedef struct _SCSIInqData SCSI_INQDATA; typedef struct _SCSIInqData FAR *PSCSI_INQDATA; typedef struct _SCSIInqData *NPSCSI_INQDATA; /****************************************************************************/ /* General SCSI definitions */ /****************************************************************************/ /***************************/ /* SCSI Operation Codes */ /***************************/ #define SCSI_TEST_UNIT_READY 0x00 /* Test Unit Ready */ #define SCSI_REZERO_UNIT 0x01 /* CD-ROM rezero unit */ #define SCSI_REWIND 0x01 /* Tape Rewind */ #define SCSI_REQUEST_SENSE 0x03 /* Request Sense Command */ #define SCSI_READ_BLK_LIMITS 0x05 /* Read Block Limits */ #define SCSI_REQ_AUX_SENSE 0x06 /* Request Auxiliary Sense */ #define SCSI_REASSIGN_BLOCKS 0x07 /* Reassign Blocks */ #define SCSI_READ_6 0x08 /* SCSI 6 byte Read */ #define SCSI_WRITE_6 0x0A /* SCSI 6 byte Write */ #define SCSI_WRITE_FILEMARKS 0x10 /* Tape Write Filemarks */ #define SCSI_SPACE 0x11 /* Tape Space */ #define SCSI_INQUIRY 0x12 /* Inquiry command */ #define SCSI_RECOVER_BUFFER 0x14 /* Tape Recover Buffer */ #define SCSI_MODE_SELECT 0x15 /* Mode Select */ #define SCSI_RESERVE_UNIT 0x16 /* Tape Reserve Unit */ #define SCSI_RELEASE_UNIT 0x17 /* Tape Release Unit */ #define SCSI_ERASE 0x19 /* Tape Erase */ #define SCSI_MODE_SENSE 0x1A /* Mode Sense */ #define SCSI_START_STOP_UNIT 0x1B /* Start/Stop Unit */ #define SCSI_LOAD_UNLOAD 0x1B /* Tape Load/Unload Media */ #define SCSI_LOCK_UNLOCK 0x1E /* Lock/Unlock drive door */ #define SCSI_READ_CAPACITY 0x25 /* Read Capacity */ #define SCSI_READ_10 0x28 /* SCSI 10 byte Read */ #define SCSI_WRITE_10 0x2A /* SCSI 10 byte Write */ #define SCSI_SEEK_10 0x2B /* SCSI 10 byte Seek */ #define SCSI_LOCATE 0x2B /* Tape Locate */ #define SCSI_WRITE_VERIFY_10 0x2E /* SCSI 10 byte Write w/Verify */ #define SCSI_VERIFY_10 0x2F /* SCSI 10 byte Verify */ #define SCSI_READ_SUB_CHAN 0x42 /* Read Sub-Channel (CD-ROM) */ #define SCSI_READ_TOC 0x43 /* Read Table of Contents */ #define SCSI_PLAY_MSF 0x47 /* Play Audio - MSF format */ #define SCSI_PAUSE_RESUME 0x4B /* Pause/Resume Audio Play */ /*******************************************/ /* SCSI Command Descriptor Block */ /*******************************************/ typedef struct _SCSICDB6 { /* CDB6 */ /* 6 byte Command Descriptor Block*/ UCHAR Opcode; /* CDB Operation Code */ UCHAR Lun_MsbLBA; /* SCSI LUN & 5 MSB bits of LBA */ UCHAR MidLBA; /* SCSI MID byte of LBA */ UCHAR LsbLBA; /* SCSI LBA byte of LBA */ UCHAR XferLen; /* SCSI Xfer length, Alloc length */ UCHAR Control; /* Control byte */ } SCSICDB6,FAR *PSCSICDB6, *NPSCSICDB6; typedef struct _SCSICDB10 { /* CDB10 */ /* 10 byte Command Descriptor Block*/ UCHAR Opcode; /* CDB Operation Code */ UCHAR Lun; /* SCSI */ UCHAR LBA[4]; /* SCSI LBA MSB->LSB */ UCHAR Res; /* reserved byte */ UCHAR XferLen[2]; /* SCSI Xfer length (MSB first) */ UCHAR Control; /* Control byte */ } SCSICDB10,FAR *PSCSICDB10, *NPSCSICDB10; typedef struct _SCSICDB12 { /* CDB12 */ /* 12 byte Command Descriptor Block*/ UCHAR Opcode; /* CDB Operation Code */ UCHAR Lun; /* SCSI */ UCHAR LBA[4]; /* SCSI LBA MSB->LSB */ UCHAR XferLen[4]; /* SCSI Xfer length (MSB first) */ UCHAR Res; /* reserved byte */ UCHAR Control; /* Control byte */ } SCSICDB12, FAR *PSCSICDB12, *NPSCSICDB12; /******************************/ /* SCSI Status byte codes */ /******************************/ #define SCSI_STAT_GOOD 0x00 /* Good status */ #define SCSI_STAT_CHECKCOND 0x02 /* SCSI Check Condition */ #define SCSI_STAT_CONDMET 0x04 /* Condition Met */ #define SCSI_STAT_BUSY 0x08 /* Target busy status */ #define SCSI_STAT_INTER 0x10 /* Intermediate status */ #define SCSI_STAT_INTERCONDMET 0x14 /* Intermediate condition met */ #define SCSI_STAT_RESCONFLICT 0x18 /* Reservation conflict */ #define SCSI_STAT_CMDTERM 0x22 /* Command Terminated */ #define SCSI_STAT_QUEUEFULL 0x28 /* Queue Full */ /******************************/ /* Request Sense Data format */ /******************************/ typedef struct _SCSIReqSenseData { /* REQSEN */ UCHAR ErrCode_Valid; /* Error Code & Valid bit */ UCHAR SegNum; /* Segment Number */ UCHAR SenseKey; /* Sense Key,ILI,EOM, FM */ UCHAR INFO[4]; /* information field */ UCHAR AddLen; /* additional length */ UCHAR CmdInfo[4]; /* command-specific info */ UCHAR AddSenseCode; /* additional sense code */ UCHAR AddSenseCodeQual; /* additional sense code qualifier */ UCHAR FieldRepUnitCode; /* field replaceable unit code */ UCHAR KeySpecific[3]; /* Sense-key specific */ } SCSI_REQSENSE_DATA, FAR *PSCSI_REQSENSE_DATA, *NPSCSI_REQSENSE_DATA; /**********************************/ /* Sense Data bit masks */ /**********************************/ /* Byte 0 of sense data */ #define SCSI_ERRCODE_MASK 0x7F /* Error Code */ #define SCSI_VALID_MASK 0x80 /* Information field valid bit */ /* Byte 2 of sense data */ #define SCSI_SENSEKEY_MASK 0xF /* Sense key */ #define SCSI_INCORRECT_LEN 0x20 /* Incorrect lenght indicator */ #define SCSI_SENSE_ENDOFMEDIUM 0x40 /* End-of-medium bit */ #define SCSI_SENSE_FM 0x80 /* filemark bit */ /*******************************/ /* Sense Key definitions */ /*******************************/ #define SCSI_SK_NOSENSE 0x0 /* No sense */ #define SCSI_SK_RECERR 0x1 /* Recovered Error */ #define SCSI_SK_NOTRDY 0x2 /* Not Ready Error */ #define SCSI_SK_MEDIUMERR 0x3 /* Medium Error */ #define SCSI_SK_HARDWAREERR 0x4 /* HardWare Error */ #define SCSI_SK_ILLEGALREQ 0x5 /* Illegal Request */ #define SCSI_SK_UNITATTN 0x6 /* Unit Attention */ #define SCSI_SK_DATAPROTECT 0x7 /* Data Protect Error */ #define SCSI_SK_BLANKCHK 0x8 /* Blank Check */ #define SCSI_SK_COPYABORT 0x0A /* Copy Aborted */ #define SCSI_SK_ABORTEDCMD 0x0B /* Aborted Command */ #define SCSI_SK_EQUAL 0x0C /* Equal Comparison satisfied */ #define SCSI_SK_VOLOVERFLOW 0x0D /* Volume Overflow */ #define SCSI_SK_MISCOMPARE 0x0E /* Miscompare */ /************************************/ /* SCSI IORB StatusBlock definition */ /************************************/ #define SCSI_DIAGINFO_LEN 8 typedef struct _SCSIStatusBlock { /* STATBLK */ USHORT Flags; /* Status block flags */ USHORT AdapterErrorCode; /* Translated Adapter Error */ UCHAR TargetStatus; /* SCSI status codes */ ULONG ResidualLength; /* Residual Length */ UCHAR AdapterDiagInfo[SCSI_DIAGINFO_LEN]; /* Raw adapter status*/ USHORT ReqSenseLen; /* amount of RS data requested */ PSCSI_REQSENSE_DATA SenseData; /* pointer to Req Sense Data */ } SCSI_STATUS_BLOCK, FAR *PSCSI_STATUS_BLOCK, *NPSCSI_STATUS_BLOCK; /* Status Block flags definitions */ #define STATUS_SENSEDATA_VALID 0x0001 /* Sense Data Valid */ #define STATUS_RESIDUAL_VALID 0x0002 /* Residual Byte Count Valid */ #define STATUS_DIAGINFO_VALID 0x0004 /* Diagnostic Information Valid */ /*************************/ /* Inquiry Data format */ /*************************/ typedef struct _SCSIInqData { /* INQ */ UCHAR DevType; /* Periph Qualifier & Periph Dev Type*/ UCHAR RMB_TypeMod; /* rem media bit & Dev Type Modifier */ UCHAR Vers; /* ISO, ECMA, & ANSI versions */ UCHAR RDF; /* AEN, TRMIOP, & response data format*/ UCHAR AddLen; /* length of additional data */ UCHAR Res1; /* reserved */ UCHAR Res2; /* reserved */ UCHAR Flags; /* RelADr,Wbus32,Wbus16,Sync,etc. */ UCHAR VendorID[8]; /* Vendor Identification */ UCHAR ProductID[16]; /* Product Identification */ UCHAR ProductRev[4]; /* Product Revision */ } SCSI_INQDATA, FAR *PSCSI_INQDATA, *NPSCSI_INQDATA; /* Inquiry byte 0 masks */ #define SCSI_DEVTYPE 0x1F /* Peripheral Device Type */ #define SCSI_PERIPHQUAL 0xE0 /* Peripheral Qualifier */ /* Inquiry byte 1 mask */ #define SCSI_REMOVABLE_MEDIA 0x80 /* Removable Media bit (1=removable) */ /* Peripheral Device Type definitions */ #define SCSI_DASD 0x00 /* Direct-access Device */ #define SCSI_SEQACESS 0x01 /* Sequential-access device */ #define SCSI_PRINTER 0x02 /* Printer device */ #define SCSI_PROCESSOR 0x03 /* Processor device */ #define SCSI_WRITEONCE 0x04 /* Write-once device */ #define SCSI_CDROM 0x05 /* CD-ROM device */ #define SCSI_SCANNER 0x06 /* Scanner device */ #define SCSI_OPTICAL 0x07 /* Optical memory device */ #define SCSI_MEDCHGR 0x08 /* Medium changer device */ #define SCSI_COMM 0x09 /* Communications device */ #define SCSI_NODEV 0x1F /* Unknown or no device type */ /**********************************************/ /* Inquiry flag definitions (Inq data byte 7) */ /**********************************************/ #define SCSI_INQ_RELADR 0x80; /* device supports relative addressing*/ #define SCSI_INQ_WBUS32 0x40; /* device supports 32 bit data xfers */ #define SCSI_INQ_WBUS16 0x20; /* device supports 16 bit data xfers */ #define SCSI_INQ_SYNC 0x10; /* device supports synchronous xfer */ #define SCSI_INQ_LINKED 0x08; /* device supports linked commands */ #define SCSI_INQ_CMDQUEUE 0x02; /* device supports command queueing */ #define SCSI_INQ_SFTRE 0x01; /* device supports soft resets */