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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/cam/scsi/scsi_message.h
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/*-

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 * This file is in the public domain.

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 */

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/* Messages (1 byte) */		     /* I/T (M)andatory or (O)ptional */

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#define MSG_CMDCOMPLETE		0x00 /* M/M */

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#define MSG_TASK_COMPLETE	0x00 /* M/M */ /* SPI3 Terminology */

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#define MSG_EXTENDED		0x01 /* O/O */

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#define MSG_SAVEDATAPOINTER	0x02 /* O/O */

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#define MSG_RESTOREPOINTERS	0x03 /* O/O */

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#define MSG_DISCONNECT		0x04 /* O/O */

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#define MSG_INITIATOR_DET_ERR	0x05 /* M/M */

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#define MSG_ABORT		0x06 /* O/M */

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#define MSG_ABORT_TASK_SET	0x06 /* O/M */ /* SPI3 Terminology */

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#define MSG_MESSAGE_REJECT	0x07 /* M/M */

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#define MSG_NOOP		0x08 /* M/M */

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#define MSG_PARITY_ERROR	0x09 /* M/M */

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#define MSG_LINK_CMD_COMPLETE	0x0a /* O/O */

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#define MSG_LINK_CMD_COMPLETEF	0x0b /* O/O */ /* Obsolete */

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#define MSG_BUS_DEV_RESET	0x0c /* O/M */

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#define MSG_TARGET_RESET	0x0c /* O/M */ /* SPI3 Terminology */

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#define MSG_ABORT_TAG		0x0d /* O/O */

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#define MSG_ABORT_TASK		0x0d /* O/O */ /* SPI3 Terminology */

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#define MSG_CLEAR_QUEUE		0x0e /* O/O */

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#define MSG_CLEAR_TASK_SET	0x0e /* O/O */ /* SPI3 Terminology */

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#define MSG_INIT_RECOVERY	0x0f /* O/O */ /* Deprecated in SPI3 */

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#define MSG_REL_RECOVERY	0x10 /* O/O */ /* Deprecated in SPI3 */

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#define MSG_TERM_IO_PROC	0x11 /* O/O */ /* Deprecated in SPI3 */

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#define MSG_CLEAR_ACA		0x16 /* O/O */ /* SPI3 */

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#define MSG_LOGICAL_UNIT_RESET	0x17 /* O/O */ /* SPI3 */

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#define MSG_QAS_REQUEST		0x55 /* O/O */ /* SPI3 */

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/* Messages (2 byte) */

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#define MSG_SIMPLE_Q_TAG	0x20 /* O/O */

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#define MSG_SIMPLE_TASK		0x20 /* O/O */ /* SPI3 Terminology */

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#define MSG_HEAD_OF_Q_TAG	0x21 /* O/O */

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#define MSG_HEAD_OF_QUEUE_TASK	0x21 /* O/O */ /* SPI3 Terminology */

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#define MSG_ORDERED_Q_TAG	0x22 /* O/O */

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#define MSG_ORDERED_TASK	0x22 /* O/O */ /* SPI3 Terminology */

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#define MSG_IGN_WIDE_RESIDUE	0x23 /* O/O */

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#define MSG_ACA_TASK		0x24 /* 0/0 */ /* SPI3 */

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/* Identify message */		     /* M/M */	

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#define MSG_IDENTIFYFLAG	0x80 

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#define MSG_IDENTIFY_DISCFLAG	0x40 

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#define MSG_IDENTIFY(lun, disc)	(((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))

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#define MSG_ISIDENTIFY(m)	((m) & MSG_IDENTIFYFLAG)

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#define MSG_IDENTIFY_LUNMASK	0x3F 

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/* Extended messages (opcode and length) */

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#define MSG_EXT_SDTR		0x01

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#define MSG_EXT_SDTR_LEN	0x03

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#define MSG_EXT_WDTR		0x03

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#define MSG_EXT_WDTR_LEN	0x02

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#define MSG_EXT_WDTR_BUS_8_BIT	0x00

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#define MSG_EXT_WDTR_BUS_16_BIT	0x01

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#define MSG_EXT_WDTR_BUS_32_BIT	0x02 /* Deprecated in SPI3 */

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#define	MSG_EXT_PPR		0x04 /* SPI3/SPI4 */

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#define	MSG_EXT_PPR_LEN		0x06

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#define	MSG_EXT_PPR_PCOMP_EN	0x80

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#define	MSG_EXT_PPR_RTI		0x40

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#define	MSG_EXT_PPR_RD_STRM	0x20

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#define	MSG_EXT_PPR_WR_FLOW	0x10

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#define	MSG_EXT_PPR_HOLD_MCS	0x08

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#define	MSG_EXT_PPR_QAS_REQ	0x04

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#define	MSG_EXT_PPR_DT_REQ	0x02

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#define	MSG_EXT_PPR_IU_REQ	0x01

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/* Fake messages not defined for SPI, but needed for other transports */

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#define	MSG_QUERY_TASK		0x100

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#define	MSG_QUERY_TASK_SET	0x101

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#define	MSG_QUERY_ASYNC_EVENT	0x102

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