1/* $OpenBSD: scsi_message.h,v 1.10 2019/09/27 23:07:42 krw Exp $ */
2
3#ifndef _SCSI_SCSI_MESSAGE_H
4#define _SCSI_SCSI_MESSAGE_H
5
6#define IS1BYTEMSG(m) (((m) != 0x01 && (m) < 0x20) || (m) >= 0x80)
7#define IS2BYTEMSG(m) (((m) & 0xf0) == 0x20)
8#define ISEXTMSG(m) ((m) == 0x01)
9
10/* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */
11#define MSG_CMDCOMPLETE 0x00 /* M/M */
12#define MSG_EXTENDED 0x01 /* O/O */
13#define MSG_SAVEDATAPOINTER 0x02 /* O/O */
14#define MSG_RESTOREPOINTERS 0x03 /* O/O */
15#define MSG_DISCONNECT 0x04 /* O/O */
16#define MSG_INITIATOR_DET_ERR 0x05 /* M/M */
17#define MSG_ABORT 0x06 /* O/M */
18#define MSG_MESSAGE_REJECT 0x07 /* M/M */
19#define MSG_NOOP 0x08 /* M/M */
20#define MSG_PARITY_ERROR 0x09 /* M/M */
21#define MSG_LINK_CMD_COMPLETE 0x0a /* O/O */
22#define MSG_LINK_CMD_COMPLETEF 0x0b /* O/O */
23#define MSG_BUS_DEV_RESET 0x0c /* O/M */
24#define MSG_ABORT_TAG 0x0d /* O/O */
25#define MSG_CLEAR_QUEUE 0x0e /* O/O */
26#define MSG_INIT_RECOVERY 0x0f /* O/O */
27#define MSG_REL_RECOVERY 0x10 /* O/O */
28#define MSG_TERM_IO_PROC 0x11 /* O/O */
29#define MSG_QAS_REQUEST 0x55 /* O/O */ /* SPI3 */
30
31/* Messages (2 byte) */
32#define MSG_SIMPLE_Q_TAG 0x20 /* O/O */
33#define MSG_HEAD_OF_Q_TAG 0x21 /* O/O */
34#define MSG_ORDERED_Q_TAG 0x22 /* O/O */
35#define MSG_IGN_WIDE_RESIDUE 0x23 /* O/O */
36
37/* Identify message */ /* M/M */
38#define MSG_IDENTIFYFLAG 0x80
39#define MSG_IDENTIFY_DISCFLAG 0x40
40#define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
41#define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG)
42#define MSG_IDENTIFY_LUNMASK 0x01F
43
44/* Extended messages (opcode and length) */
45#define MSG_EXT_SDTR 0x01
46#define MSG_EXT_SDTR_LEN 0x03
47
48#define MSG_EXT_WDTR 0x03
49#define MSG_EXT_WDTR_LEN 0x02
50
51#define MSG_EXT_WDTR_BUS_8_BIT 0x00
52#define MSG_EXT_WDTR_BUS_16_BIT 0x01
53#define MSG_EXT_WDTR_BUS_32_BIT 0x02
54
55#define MSG_EXT_PPR 0x04
56#define MSG_EXT_PPR_LEN 0x06
57
58#define MSG_EXT_PPR_PCOMP_EN 0x80
59#define MSG_EXT_PPR_RTI 0x40
60#define MSG_EXT_PPR_RD_STRM 0x20
61#define MSG_EXT_PPR_WR_FLOW 0x10
62#define MSG_EXT_PPR_HOLD_MCS 0x08
63#define MSG_EXT_PPR_PROT_QAS 0x04
64#define MSG_EXT_PPR_PROT_DT 0x02
65#define MSG_EXT_PPR_PROT_IUS 0x01
66
67#endif /* _SCSI_SCSI_MESSAGE_H */