xref: /freebsd/sys/cam/scsi/scsi_message.h (revision 1603881667360c015f6685131f2f25474fa67a72)
1 /*-
2  * This file is in the public domain.
3  * $FreeBSD$
4  */
5 
6 /* Messages (1 byte) */		     /* I/T (M)andatory or (O)ptional */
7 #define MSG_CMDCOMPLETE		0x00 /* M/M */
8 #define MSG_TASK_COMPLETE	0x00 /* M/M */ /* SPI3 Terminology */
9 #define MSG_EXTENDED		0x01 /* O/O */
10 #define MSG_SAVEDATAPOINTER	0x02 /* O/O */
11 #define MSG_RESTOREPOINTERS	0x03 /* O/O */
12 #define MSG_DISCONNECT		0x04 /* O/O */
13 #define MSG_INITIATOR_DET_ERR	0x05 /* M/M */
14 #define MSG_ABORT		0x06 /* O/M */
15 #define MSG_ABORT_TASK_SET	0x06 /* O/M */ /* SPI3 Terminology */
16 #define MSG_MESSAGE_REJECT	0x07 /* M/M */
17 #define MSG_NOOP		0x08 /* M/M */
18 #define MSG_PARITY_ERROR	0x09 /* M/M */
19 #define MSG_LINK_CMD_COMPLETE	0x0a /* O/O */
20 #define MSG_LINK_CMD_COMPLETEF	0x0b /* O/O */ /* Obsolete */
21 #define MSG_BUS_DEV_RESET	0x0c /* O/M */
22 #define MSG_TARGET_RESET	0x0c /* O/M */ /* SPI3 Terminology */
23 #define MSG_ABORT_TAG		0x0d /* O/O */
24 #define MSG_ABORT_TASK		0x0d /* O/O */ /* SPI3 Terminology */
25 #define MSG_CLEAR_QUEUE		0x0e /* O/O */
26 #define MSG_CLEAR_TASK_SET	0x0e /* O/O */ /* SPI3 Terminology */
27 #define MSG_INIT_RECOVERY	0x0f /* O/O */ /* Deprecated in SPI3 */
28 #define MSG_REL_RECOVERY	0x10 /* O/O */ /* Deprecated in SPI3 */
29 #define MSG_TERM_IO_PROC	0x11 /* O/O */ /* Deprecated in SPI3 */
30 #define MSG_CLEAR_ACA		0x16 /* O/O */ /* SPI3 */
31 #define MSG_LOGICAL_UNIT_RESET	0x17 /* O/O */ /* SPI3 */
32 #define MSG_QAS_REQUEST		0x55 /* O/O */ /* SPI3 */
33 
34 /* Messages (2 byte) */
35 #define MSG_SIMPLE_Q_TAG	0x20 /* O/O */
36 #define MSG_SIMPLE_TASK		0x20 /* O/O */ /* SPI3 Terminology */
37 #define MSG_HEAD_OF_Q_TAG	0x21 /* O/O */
38 #define MSG_HEAD_OF_QUEUE_TASK	0x21 /* O/O */ /* SPI3 Terminology */
39 #define MSG_ORDERED_Q_TAG	0x22 /* O/O */
40 #define MSG_ORDERED_TASK	0x22 /* O/O */ /* SPI3 Terminology */
41 #define MSG_IGN_WIDE_RESIDUE	0x23 /* O/O */
42 #define MSG_ACA_TASK		0x24 /* 0/0 */ /* SPI3 */
43 
44 /* Identify message */		     /* M/M */
45 #define MSG_IDENTIFYFLAG	0x80
46 #define MSG_IDENTIFY_DISCFLAG	0x40
47 #define MSG_IDENTIFY(lun, disc)	(((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
48 #define MSG_ISIDENTIFY(m)	((m) & MSG_IDENTIFYFLAG)
49 #define MSG_IDENTIFY_LUNMASK	0x3F
50 
51 /* Extended messages (opcode and length) */
52 #define MSG_EXT_SDTR		0x01
53 #define MSG_EXT_SDTR_LEN	0x03
54 
55 #define MSG_EXT_WDTR		0x03
56 #define MSG_EXT_WDTR_LEN	0x02
57 #define MSG_EXT_WDTR_BUS_8_BIT	0x00
58 #define MSG_EXT_WDTR_BUS_16_BIT	0x01
59 #define MSG_EXT_WDTR_BUS_32_BIT	0x02 /* Deprecated in SPI3 */
60 
61 #define	MSG_EXT_PPR		0x04 /* SPI3/SPI4 */
62 #define	MSG_EXT_PPR_LEN		0x06
63 #define	MSG_EXT_PPR_PCOMP_EN	0x80
64 #define	MSG_EXT_PPR_RTI		0x40
65 #define	MSG_EXT_PPR_RD_STRM	0x20
66 #define	MSG_EXT_PPR_WR_FLOW	0x10
67 #define	MSG_EXT_PPR_HOLD_MCS	0x08
68 #define	MSG_EXT_PPR_QAS_REQ	0x04
69 #define	MSG_EXT_PPR_DT_REQ	0x02
70 #define	MSG_EXT_PPR_IU_REQ	0x01
71 
72 /* Fake messages not defined for SPI, but needed for other transports */
73 #define	MSG_QUERY_TASK		0x100
74 #define	MSG_QUERY_TASK_SET	0x101
75 #define	MSG_QUERY_ASYNC_EVENT	0x102
76