SCSI Definitions (scsidefs.h)
//***************************************************************************
//
// Name: SCSIDEFS.H
//
// Description: SCSI definitions ('C' Language)
//
//***************************************************************************
//***************************************************************************
// %%% TARGET STATUS VALUES %%%
//***************************************************************************
#define STATUS_GOOD 0x00 // Status Good
#define STATUS_CHKCOND 0x02 // Check Condition
#define STATUS_CONDMET 0x04 // Condition Met
#define STATUS_BUSY 0x08 // Busy
#define STATUS_INTERM 0x10 // Intermediate
#define STATUS_INTCDMET 0x14 // Intermediate-condition met
#define STATUS_RESCONF 0x18 // Reservation conflict
#define STATUS_COMTERM 0x22 // Command Terminated
#define STATUS_QFULL 0x28 // Queue full
//***************************************************************************
// %%% SCSI MISCELLANEOUS EQUATES %%%
//***************************************************************************
#define MAXLUN 7 // Maximum Logical Unit Id
#define MAXTARG 7 // Maximum Target Id
#define MAX_SCSI_LUNS 64 // Maximum Number of SCSI LUNs
#define MAX_NUM_HA 8 // Maximum Number of SCSI HA's
//---------------------------------------------------------------------------
//
// %%% SCSI COMMAND OPCODES %%%
//
//---------------------------------------------------------------------------
//***************************************************************************
// %%% Commands for all Device Types %%%
//***************************************************************************
#define SCSI_CHANGE_DEF 0x40 // Change Definition (Optional)
#define SCSI_COMPARE 0x39 // Compare (O)
#define SCSI_COPY 0x18 // Copy (O)
#define SCSI_COP_VERIFY 0x3A // Copy and Verify (O)
#define SCSI_INQUIRY 0x12 // Inquiry (MANDATORY)
#define SCSI_LOG_SELECT 0x4C // Log Select (O)
#define SCSI_LOG_SENSE 0x4D // Log Sense (O)
#define SCSI_MODE_SEL6 0x15 // Mode Select 6-byte (Device Specific)
#define SCSI_MODE_SEL10 0x55 // Mode Select 10-byte (Device Specific)
#define SCSI_MODE_SEN6 0x1A // Mode Sense 6-byte (Device Specific)
#define SCSI_MODE_SEN10 0x5A // Mode Sense 10-byte (Device Specific)
#define SCSI_READ_BUFF 0x3C // Read Buffer (O)
#define SCSI_REQ_SENSE 0x03 // Request Sense (MANDATORY)
#define SCSI_SEND_DIAG 0x1D // Send Diagnostic (O)
#define SCSI_TST_U_RDY 0x00 // Test Unit Ready (MANDATORY)
#define SCSI_WRITE_BUFF 0x3B // Write Buffer (O)
//***************************************************************************
// %%% Commands Unique to Direct Access Devices %%%
//***************************************************************************
#define SCSI_COMPARE 0x39 // Compare (O)
#define SCSI_FORMAT 0x04 // Format Unit (MANDATORY)
#define SCSI_LCK_UN_CAC 0x36 // Lock Unlock Cache (O)
#define SCSI_PREFETCH 0x34 // Prefetch (O)
#define SCSI_MED_REMOVL 0x1E // Prevent/Allow medium Removal (O)
#define SCSI_READ6 0x08 // Read 6-byte (MANDATORY)
#define SCSI_READ10 0x28 // Read 10-byte (MANDATORY)
#define SCSI_RD_CAPAC 0x25 // Read Capacity (MANDATORY)
#define SCSI_RD_DEFECT 0x37 // Read Defect Data (O)
#define SCSI_READ_LONG 0x3E // Read Long (O)
#define SCSI_REASS_BLK 0x07 // Reassign Blocks (O)
#define SCSI_RCV_DIAG 0x1C // Receive Diagnostic Results (O)
#define SCSI_RELEASE 0x17 // Release Unit (MANDATORY)
#define SCSI_REZERO 0x01 // Rezero Unit (O)
#define SCSI_SRCH_DAT_E 0x31 // Search Data Equal (O)
#define SCSI_SRCH_DAT_H 0x30 // Search Data High (O)
#define SCSI_SRCH_DAT_L 0x32 // Search Data Low (O)
#define SCSI_SEEK6 0x0B // Seek 6-Byte (O)
#define SCSI_SEEK10 0x2B // Seek 10-Byte (O)
#define SCSI_SEND_DIAG 0x1D // Send Diagnostics (MANDATORY)
#define SCSI_SET_LIMIT 0x33 // Set Limits (O)
#define SCSI_START_STP 0x1B // Start/Stop Unit (O)
#define SCSI_SYNC_CACHE 0x35 // Synchronize Cache (O)
#define SCSI_VERIFY 0x2F // Verify (O)
#define SCSI_WRITE6 0x0A // Write 6-Byte (MANDATORY)
#define SCSI_WRITE10 0x2A // Write 10-Byte (MANDATORY)
#define SCSI_WRT_VERIFY 0x2E // Write and Verify (O)
#define SCSI_WRITE_LONG 0x3F // Write Long (O)
#define SCSI_WRITE_SAME 0x41 // Write Same (O)
//***************************************************************************
// %%% Commands Unique to Sequential Access Devices %%%
//***************************************************************************
#define SCSI_ERASE 0x19 // Erase (MANDATORY)
#define SCSI_LOAD_UN 0x1b // Load/Unload (O)
#define SCSI_LOCATE 0x2B // Locate (O)
#define SCSI_RD_BLK_LIM 0x05 // Read Block Limits (MANDATORY)
#define SCSI_READ_POS 0x34 // Read Position (O)
#define SCSI_READ_REV 0x0F // Read Reverse (O)
#define SCSI_REC_BF_DAT 0x14 // Recover Buffer Data (O)
#define SCSI_RESERVE 0x16 // Reserve Unit (MANDATORY)
#define SCSI_REWIND 0x01 // Rewind (MANDATORY)
#define SCSI_SPACE 0x11 // Space (MANDATORY)
#define SCSI_VERIFY_T 0x13 // Verify (Tape) (O)
#define SCSI_WRT_FILE 0x10 // Write Filemarks (MANDATORY)
//***************************************************************************
// %%% Commands Unique to Printer Devices %%%
//***************************************************************************
#define SCSI_PRINT 0x0A // Print (MANDATORY)
#define SCSI_SLEW_PNT 0x0B // Slew and Print (O)
#define SCSI_STOP_PNT 0x1B // Stop Print (O)
#define SCSI_SYNC_BUFF 0x10 // Synchronize Buffer (O)
//***************************************************************************
// %%% Commands Unique to Processor Devices %%%
//***************************************************************************
#define SCSI_RECEIVE 0x08 // Receive (O)
#define SCSI_SEND 0x0A // Send (O)
//***************************************************************************
// %%% Commands Unique to Write-Once Devices %%%
//***************************************************************************
#define SCSI_MEDIUM_SCN 0x38 // Medium Scan (O)
#define SCSI_SRCHDATE10 0x31 // Search Data Equal 10-Byte (O)
#define SCSI_SRCHDATE12 0xB1 // Search Data Equal 12-Byte (O)
#define SCSI_SRCHDATH10 0x30 // Search Data High 10-Byte (O)
#define SCSI_SRCHDATH12 0xB0 // Search Data High 12-Byte (O)
#define SCSI_SRCHDATL10 0x32 // Search Data Low 10-Byte (O)
#define SCSI_SRCHDATL12 0xB2 // Search Data Low 12-Byte (O)
#define SCSI_SET_LIM_10 0x33 // Set Limits 10-Byte (O)
#define SCSI_SET_LIM_12 0xB3 // Set Limits 10-Byte (O)
#define SCSI_VERIFY10 0x2F // Verify 10-Byte (O)
#define SCSI_VERIFY12 0xAF // Verify 12-Byte (O)
#define SCSI_WRITE12 0xAA // Write 12-Byte (O)
#define SCSI_WRT_VER10 0x2E // Write and Verify 10-Byte (O)
#define SCSI_WRT_VER12 0xAE // Write and Verify 12-Byte (O)
//***************************************************************************
// %%% Commands Unique to CD-ROM Devices %%%
//***************************************************************************
#define SCSI_PLAYAUD_10 0x45 // Play Audio 10-Byte (O)
#define SCSI_PLAYAUD_12 0xA5 // Play Audio 12-Byte 12-Byte (O)
#define SCSI_PLAYAUDMSF 0x47 // Play Audio MSF (O)
#define SCSI_PLAYA_TKIN 0x48 // Play Audio Track/Index (O)
#define SCSI_PLYTKREL10 0x49 // Play Track Relative 10-Byte (O)
#define SCSI_PLYTKREL12 0xA9 // Play Track Relative 12-Byte (O)
#define SCSI_READCDCAP 0x25 // Read CD-ROM Capacity (MANDATORY)
#define SCSI_READHEADER 0x44 // Read Header (O)
#define SCSI_SUBCHANNEL 0x42 // Read Subchannel (O)
#define SCSI_READ_TOC 0x43 // Read TOC (O)
//***************************************************************************
// %%% Commands Unique to Scanner Devices %%%
//***************************************************************************
#define SCSI_GETDBSTAT 0x34 // Get Data Buffer Status (O)
#define SCSI_GETWINDOW 0x25 // Get Window (O)
#define SCSI_OBJECTPOS 0x31 // Object Postion (O)
#define SCSI_SCAN 0x1B // Scan (O)
#define SCSI_SETWINDOW 0x24 // Set Window (MANDATORY)
//***************************************************************************
// %%% Commands Unique to Optical Memory Devices %%%
//***************************************************************************
#define SCSI_UpdateBlk 0x3D // Update Block (O)
//***************************************************************************
// %%% Commands Unique to Medium Changer Devices %%%
//***************************************************************************
#define SCSI_EXCHMEDIUM 0xA6 // Exchange Medium (O)
#define SCSI_INITELSTAT 0x07 // Initialize Element Status (O)
#define SCSI_POSTOELEM 0x2B // Position to Element (O)
#define SCSI_REQ_VE_ADD 0xB5 // Request Volume Element Address (O)
#define SCSI_SENDVOLTAG 0xB6 // Send Volume Tag (O)
//***************************************************************************
// %%% Commands Unique to Communication Devices %%%
//***************************************************************************
#define SCSI_GET_MSG_6 0x08 // Get Message 6-Byte (MANDATORY)
#define SCSI_GET_MSG_10 0x28 // Get Message 10-Byte (O)
#define SCSI_GET_MSG_12 0xA8 // Get Message 12-Byte (O)
#define SCSI_SND_MSG_6 0x0A // Send Message 6-Byte (MANDATORY)
#define SCSI_SND_MSG_10 0x2A // Send Message 10-Byte (O)
#define SCSI_SND_MSG_12 0xAA // Send Message 12-Byte (O)
//---------------------------------------------------------------------------
//
// %%% END OF SCSI COMMAND OPCODES %%%
//
//---------------------------------------------------------------------------
//***************************************************************************
// %%% Request Sense Data Format %%%
//***************************************************************************
typedef struct {
BYTE ErrorCode; // Error Code (70H or 71H)
BYTE SegmentNum; // Number of current segment descriptor
BYTE SenseKey; // Sense Key(See bit definitions too)
BYTE InfoByte0; // Information MSB
BYTE InfoByte1; // Information MID
BYTE InfoByte2; // Information MID
BYTE InfoByte3; // Information LSB
BYTE AddSenLen; // Additional Sense Length
BYTE ComSpecInf0; // Command Specific Information MSB
BYTE ComSpecInf1; // Command Specific Information MID
BYTE ComSpecInf2; // Command Specific Information MID
BYTE ComSpecInf3; // Command Specific Information LSB
BYTE AddSenseCode; // Additional Sense Code
BYTE AddSenQual; // Additional Sense Code Qualifier
BYTE FieldRepUCode; // Field Replaceable Unit Code
BYTE SenKeySpec15; // Sense Key Specific 15th byte
BYTE SenKeySpec16; // Sense Key Specific 16th byte
BYTE SenKeySpec17; // Sense Key Specific 17th byte
BYTE AddSenseBytes; // Additional Sense Bytes
} SENSE_DATA_FMT;
//***************************************************************************
// %%% REQUEST SENSE ERROR CODE %%%
//***************************************************************************
#define SERROR_CURRENT 0x70 // Current Errors
#define SERROR_DEFERED 0x71 // Deferred Errors
//***************************************************************************
// %%% REQUEST SENSE BIT DEFINITIONS %%%
//***************************************************************************
#define SENSE_VALID 0x80 // Byte 0 Bit 7
#define SENSE_FILEMRK 0x80 // Byte 2 Bit 7
#define SENSE_EOM 0x40 // Byte 2 Bit 6
#define SENSE_ILI 0x20 // Byte 2 Bit 5
//***************************************************************************
// %%% REQUEST SENSE SENSE KEY DEFINITIONS %%%
//***************************************************************************
#define KEY_NOSENSE 0x00 // No Sense
#define KEY_RECERROR 0x01 // Recovered Error
#define KEY_NOTREADY 0x02 // Not Ready
#define KEY_MEDIUMERR 0x03 // Medium Error
#define KEY_HARDERROR 0x04 // Hardware Error
#define KEY_ILLGLREQ 0x05 // Illegal Request
#define KEY_UNITATT 0x06 // Unit Attention
#define KEY_DATAPROT 0x07 // Data Protect
#define KEY_BLANKCHK 0x08 // Blank Check
#define KEY_VENDSPEC 0x09 // Vendor Specific
#define KEY_COPYABORT 0x0A // Copy Abort
#define KEY_EQUAL 0x0C // Equal (Search)
#define KEY_VOLOVRFLW 0x0D // Volume Overflow
#define KEY_MISCOMP 0x0E // Miscompare (Search)
#define KEY_RESERVED 0x0F // Reserved
//***************************************************************************
// %%% PERIPHERAL DEVICE TYPE DEFINITIONS %%%
//***************************************************************************
#define DTYPE_DASD 0x00 // Disk Device
#define DTYPE_SEQD 0x01 // Tape Device
#define DTYPE_PRNT 0x02 // Printer
#define DTYPE_PROC 0x03 // Processor
#define DTYPE_WORM 0x04 // Write-once read-multiple
#define DTYPE_CROM 0x05 // CD-ROM device
#define DTYPE_SCAN 0x06 // Scanner device
#define DTYPE_OPTI 0x07 // Optical memory device
#define DTYPE_JUKE 0x08 // Medium Changer device
#define DTYPE_COMM 0x09 // Communications device
#define DTYPE_RESL 0x0A // Reserved (low)
#define DTYPE_RESH 0x1E // Reserved (high)
#define DTYPE_UNKNOWN 0x1F // Unknown or no device type
//***************************************************************************
// %%% ANSI APPROVED VERSION DEFINITIONS %%%
//***************************************************************************
#define ANSI_MAYBE 0x0 // Device may or may not be ANSI approved stand
#define ANSI_SCSI1 0x1 // Device complies to ANSI X3.131-1986 (SCSI-1)
#define ANSI_SCSI2 0x2 // Device complies to SCSI-2
#define ANSI_RESLO 0x3 // Reserved (low)
#define ANSI_RESHI 0x7 // Reserved (high)