Unit SCSI

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`SCSI_COMMAND_CHANGE_DEF = $40;`	Change Definition (Optional)
`SCSI_COMMAND_COMPARE = $39;`	Compare (Optional)
`SCSI_COMMAND_COPY = $18;`	Copy (Optional)
`SCSI_COMMAND_COP_VERIFY = $3A;`	Copy and Verify (Optional)
`SCSI_COMMAND_INQUIRY = $12;`	Inquiry (MANDATORY)
`SCSI_COMMAND_LOG_SELECT = $4C;`	Log Select (Optional)
`SCSI_COMMAND_LOG_SENSE = $4D;`	Log Sense (Optional)
`SCSI_COMMAND_MODE_SEL6 = $15;`	Mode Select 6-byte (Device Specific)
`SCSI_COMMAND_MODE_SEL10 = $55;`	Mode Select 10-byte (Device Specific)
`SCSI_COMMAND_MODE_SEN6 = $1A;`	Mode Sense 6-byte (Device Specific)
`SCSI_COMMAND_MODE_SEN10 = $5A;`	Mode Sense 10-byte (Device Specific)
`SCSI_COMMAND_READ_BUFF = $3C;`	Read Buffer (Optional)
`SCSI_COMMAND_REQ_SENSE = $03;`	Request Sense (MANDATORY)
`SCSI_COMMAND_SEND_DIAG = $1D;`	Send Diagnostic (Optional)
`SCSI_COMMAND_TST_U_RDY = $00;`	Test Unit Ready (MANDATORY)
`SCSI_COMMAND_WRITE_BUFF = $3B;`	Write Buffer (Optional)

Commands Unique to Direct Access Devices
`SCSI_COMMAND_COMPARE = $39;`	Compare (Optional)
`SCSI_COMMAND_FORMAT = $04;`	Format Unit (MANDATORY)
`SCSI_COMMAND_LCK_UN_CAC = $36;`	Lock Unlock Cache (Optional)
`SCSI_COMMAND_PREFETCH = $34;`	Prefetch (Optional)
`SCSI_COMMAND_MED_REMOVL = $1E;`	Prevent/Allow medium Removal (Optional)
`SCSI_COMMAND_READ6 = $08;`	Read 6-byte (MANDATORY)
`SCSI_COMMAND_READ10 = $28;`	Read 10-byte (MANDATORY)
`SCSI_COMMAND_READ12 = $A8;`	Read 12-byte (Optional)
`SCSI_COMMAND_READ16 = $88;`	Read 16-byte (Optional)
`SCSI_COMMAND_RD_CAPAC = $25;`	Read Capacity (MANDATORY)
`SCSI_COMMAND_RD_CAPAC10 = SCSI_COMMAND_RD_CAPAC;`	Read Capacity (10)
`SCSI_COMMAND_RD_DEFECT = $37;`	Read Defect Data (Optional)
`SCSI_COMMAND_READ_LONG = $3E;`	Read Long (Optional)
`SCSI_COMMAND_REASS_BLK = $07;`	Reassign Blocks (Optional)
`SCSI_COMMAND_RCV_DIAG = $1C;`	Receive Diagnostic Results (Optional)
`SCSI_COMMAND_RELEASE = $17;`	Release Unit (MANDATORY)
`SCSI_COMMAND_REZERO = $01;`	Rezero Unit (Optional)
`SCSI_COMMAND_SRCH_DAT_E = $31;`	Search Data Equal (Optional)
`SCSI_COMMAND_SRCH_DAT_H = $30;`	Search Data High (Optional)
`SCSI_COMMAND_SRCH_DAT_L = $32;`	Search Data Low (Optional)
`SCSI_COMMAND_SEEK6 = $0B;`	Seek 6-Byte (Optional)
`SCSI_COMMAND_SEEK10 = $2B;`	Seek 10-Byte (Optional)
`SCSI_COMMAND_SEND_DIAG = $1D;`	Send Diagnostics (MANDATORY)
`SCSI_COMMAND_SET_LIMIT = $33;`	Set Limits (Optional)
`SCSI_COMMAND_START_STP = $1B;`	Start/Stop Unit (Optional)
`SCSI_COMMAND_SYNC_CACHE = $35;`	Synchronize Cache (Optional)
`SCSI_COMMAND_VERIFY = $2F;`	Verify (Optional)
`SCSI_COMMAND_WRITE6 = $0A;`	Write 6-Byte (MANDATORY)
`SCSI_COMMAND_WRITE10 = $2A;`	Write 10-Byte (MANDATORY)
`SCSI_COMMAND_WRITE12 = $AA;`	Write 12-Byte (Optional)
`SCSI_COMMAND_WRITE16 = $8A;`	Write 16-Byte (Optional)
`SCSI_COMMAND_WRT_VERIFY = $2E;`	Write and Verify (Optional)
`SCSI_COMMAND_WRITE_LONG = $3F;`	Write Long (Optional)
`SCSI_COMMAND_WRITE_SAME = $41;`	Write Same (Optional)
`SCSI_COMMAND_RD_FMT_CAP = $23;`	Read Format Capacities
`SCSI_COMMAND_SVC_ACT_IN = $9E;`	Service Action In

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SCSI command data constants SCSI_COMMAND_MAX_*

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SCSI service action constants SCSI_SAI_*

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SCSI inquiry data constants SCSI_INQUIRY_*

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SCSI standard inquiry data constants SCSI_STANDARD_INQUIRY_*

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SCSI inquiry peripheral device type constants SCSI_DEVICE_TYPE_*

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SCSI inquiry removable media bit constants SCSI_REMOVABLE_MEDIA_*

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SCSI request sense data constants SCSI_REQUEST_SENSE_*

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SCSI read capacity data constants SCSI_READ_CAPACITY_*

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SCSI read 10 data constants SCSI_READ_10_*

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SCSI write 10 data constants SCSI_WRITE_10_*

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SCSI logging constants SCSI_LOG_*

Type definitions

To be documented

Public variables

To be documented

Function declarations

None defined

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`SCSI_NAME_PREFIX = 'SCSI';`	Name prefix for SCSI Devices
`SCSI_HOST_PREFIX = 'SCSIHost';`	Name prefix for Host Devices

`SCSI_MESSAGE_COMPLETE = $00;`
`SCSI_MESSAGE_EXTENDED = $01;`
`SCSI_MESSAGE_SAVE_DP = $02;`
`SCSI_MESSAGE_RESTORE_DP = $03;`
`SCSI_MESSAGE_DISCONNECT = $04;`
`SCSI_MESSAGE_ID_ERROR = $05;`
`SCSI_MESSAGE_ABORT = $06;`
`SCSI_MESSAGE_REJECT = $07;`
`SCSI_MESSAGE_NOOP = $08;`
`SCSI_MESSAGE_PARITY = $09;`
`SCSI_MESSAGE_LCOMPLETE = $0a;`
`SCSI_MESSAGE_FCOMPLETE = $0b;`
`SCSI_MESSAGE_RESET = $0c;`
`SCSI_MESSAGE_ABORT_TAG = $0d;`
`SCSI_MESSAGE_CLEAR_QUEUE = $0e;`
`SCSI_MESSAGE_INIT_REC = $0f;`
`SCSI_MESSAGE_REL_REC = $10;`
`SCSI_MESSAGE_TERMINATE = $11;`
`SCSI_MESSAGE_SIMPLE_TAG = $20;`
`SCSI_MESSAGE_HEAD_TAG = $21;`
`SCSI_MESSAGE_ORDERED_TAG = $22;`
`SCSI_MESSAGE_IGN_RESIDUE = $23;`
`SCSI_MESSAGE_IDENTIFY = $80;`

`SCSI_MESSAGE_X_MODIFY_DP = $00;`
`SCSI_MESSAGE_X_SYNC_REQ = $01;`
`SCSI_MESSAGE_X_WIDE_REQ = $03;`
`SCSI_MESSAGE_X_PPR_REQ = $04;`

`SCSI_STATUS_GOOD = $00;`
`SCSI_STATUS_CHECK_COND = $02;`
`SCSI_STATUS_COND_MET = $04;`
`SCSI_STATUS_BUSY = $08;`
`SCSI_STATUS_INT = $10;`
`SCSI_STATUS_INT_COND_MET = $14;`
`SCSI_STATUS_CONFLICT = $18;`
`SCSI_STATUS_TERMINATED = $20;`
`SCSI_STATUS_QUEUE_FULL = $28;`
`SCSI_STATUS_ILLEGAL = $ff;`
`SCSI_STATUS_SENSE = $80;`

`SCSI_SENSE_NO_SENSE = $00;`
`SCSI_SENSE_RECOVERED_ERROR = $01;`
`SCSI_SENSE_NOT_READY = $02;`
`SCSI_SENSE_MEDIUM_ERROR = $03;`
`SCSI_SENSE_HARDWARE_ERROR = $04;`
`SCSI_SENSE_ILLEGAL_REQUEST = $05;`
`SCSI_SENSE_UNIT_ATTENTION = $06;`
`SCSI_SENSE_DATA_PROTECT = $07;`
`SCSI_SENSE_BLANK_CHECK = $08;`
`SCSI_SENSE_VENDOR_SPECIFIC = $09;`
`SCSI_SENSE_COPY_ABORTED = $0A;`
`SCSI_SENSE_ABORTED_COMMAND = $0B;`
`SCSI_SENSE_VOLUME_OVERFLOW = $0D;`
`SCSI_SENSE_MISCOMPARE = $0E;`

`SCSI_ASC_NO_SENSE = $00;`	NO SENSE
`SCSI_ASC_RECOVERED_RETRIES = $17;`	RECOVERED DATA WITH RETRIES
`SCSI_ASC_RECOVERED_ECC = $18;`	RECOVERED DATA WITH ECC
`SCSI_ASC_NOT_READY_LUN = $04;`	LOGICAL UNIT NOT READY
`SCSI_ASC_NOT_READY_NO_REF_POS = $06;`	NO REFERENCE POSITION FOUND
`SCSI_ASC_NOT_READY_LUN_COMM = $08;`	LOGICAL UNIT COMMUNICATION
`SCSI_ASC_NOT_READY_MEDIUM_NOT_PRESENT = $3A;`	MEDIUM NOT PRESENT

Unit SCSI

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`SCSI_ASCQ_NO_SENSE = $00;`	NO SENSE
`SCSI_ASCQ_RECOVERED_RETRIES = $01;`	RECOVERED DATA WITH RETRIES
`SCSI_ASCQ_RECOVERED_ECC = $00;`	RECOVERED DATA WITH ECC
`SCSI_ASCQ_NOT_READY_LUN_BECOME_READY = $01;`	LOGICAL DRIVE NOT READY - BECOMING READY
`SCSI_ASCQ_NOT_READY_LUN_INIT_REQUIRED = $02;`	LOGICAL DRIVE NOT READY - INITIALIZATION REQUIRED
`SCSI_ASCQ_NOT_READY_LUN_FORMAT_PROGRESS = $04;`	LOGICAL UNIT NOT READY - FORMAT IN PROGRESS
`SCSI_ASCQ_NOT_READY_LUN_DEVICE_BUSY = $FF;`	LOGICAL DRIVE NOT READY - DEVICE IS BUSY
`SCSI_ASCQ_NOT_READY_LUN_COMM_FAILURE = $00;`	LOGICAL UNIT COMMUNICATION FAILURE
`SCSI_ASCQ_NOT_READY_LUN_COMM_TIMEOUT = $01;`	LOGICAL UNIT COMMUNICATION TIME-OUT
`SCSI_ASCQ_NOT_READY_LUN_COMM_OVERRUN = $80;`	LOGICAL UNIT COMMUNICATION OVERRUN

`SCSI_SAI_READ_CAPACITY_16 = $10;`	Read Capacity (16)
`SCSI_SAI_GET_LBA_STATUS = $12;`	Get LBA Status

`SCSI_DEVICE_TYPE_DISK = $00;`	SBC-3 - Direct access block device (e.g., magnetic disk)
`SCSI_DEVICE_TYPE_TAPE = $01;`	SSC-3 - Sequential-access device (e.g., magnetic tape)
`SCSI_DEVICE_TYPE_PRINTER = $02;`	SSC - Printer device
`SCSI_DEVICE_TYPE_PROCESSOR = $03;`	SPC-2 - Processor device
`SCSI_DEVICE_TYPE_WRITE_ONCE = $04;`	SBC - Write-once device (e.g., some optical disks)
`SCSI_DEVICE_TYPE_CD_DVD = $05;`	MMC-5 - CD/DVD device
`SCSI_DEVICE_TYPE_SCANNER = $06;`	Scanner device (obsolete)
`SCSI_DEVICE_TYPE_OPTICAL = $07;`	SBC - Optical memory device (e.g., some optical disks)
`SCSI_DEVICE_TYPE_CHANGER = $08;`	SMC-3 - Medium changer device (e.g., jukeboxes)
`SCSI_DEVICE_TYPE_COMMS = $09;`	Communications device (obsolete)
`SCSI_DEVICE_TYPE_ARRAY = $0C;`	SCC-2 - Storage array controller device (e.g., RAID)
`SCSI_DEVICE_TYPE_ENCLOSURE = $0D;`	SES - Enclosure services device
`SCSI_DEVICE_TYPE_RBC = $0E;`	RBC - Simplified direct-access device (e.g., magnetic disk)
`SCSI_DEVICE_TYPE_CARD = $0F;`	OCRW - Optical card reader/writer device
`SCSI_DEVICE_TYPE_BRIDGE = $10;`	BCC - Bridge Controller Commands
`SCSI_DEVICE_TYPE_OBJECT = $11;`	OSD - Object-based Storage Device
`SCSI_DEVICE_TYPE_AUTOMATION = $12;`	ADC-2 - Automation/Drive Interface
`SCSI_DEVICE_TYPE_WELL_KNOWN = $1E;`	Well known logical unit
`SCSI_DEVICE_TYPE_UNKNOWN = $1F;`	Unknown or no device type

`SCSI_READ_CAPACITY_SIZE = 8;`
`SCSI_READ_CAPACITY_16_SIZE = 32;`

`SCSI_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;`	SCSI debugging messages
`SCSI_LOG_LEVEL_INFO = LOG_LEVEL_INFO;`	SCSI informational messages, such as a device being attached or detached
`SCSI_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;`	SCSI error messages
`SCSI_LOG_LEVEL_NONE = LOG_LEVEL_NONE;`	No SCSI messages

`SCSI_TYPE_NONE = 0;`
`SCSI_TYPE_HDD = 1;`

`SCSI_STATE_EJECTED = 0;`
`SCSI_STATE_INSERTED = 1;`