xref: /openbsd-src/sys/scsi/scsi_message.h (revision dd0887e4137741a7e717f435f13fe9bb651f33c0)
1*dd0887e4Skrw /*	$OpenBSD: scsi_message.h,v 1.10 2019/09/27 23:07:42 krw Exp $	*/
2*dd0887e4Skrw 
3*dd0887e4Skrw #ifndef _SCSI_SCSI_MESSAGE_H
4*dd0887e4Skrw #define _SCSI_SCSI_MESSAGE_H
598d6dc20Sfgsch 
698d6dc20Sfgsch #define IS1BYTEMSG(m)	(((m) != 0x01 && (m) < 0x20) || (m) >= 0x80)
798d6dc20Sfgsch #define IS2BYTEMSG(m)	(((m) & 0xf0) == 0x20)
898d6dc20Sfgsch #define ISEXTMSG(m)	((m) == 0x01)
9a11b678cSniklas 
10df930be7Sderaadt /* Messages (1 byte) */		     /* I/T (M)andatory or (O)ptional */
11df930be7Sderaadt #define MSG_CMDCOMPLETE		0x00 /* M/M */
12df930be7Sderaadt #define MSG_EXTENDED		0x01 /* O/O */
13df930be7Sderaadt #define MSG_SAVEDATAPOINTER	0x02 /* O/O */
14df930be7Sderaadt #define MSG_RESTOREPOINTERS	0x03 /* O/O */
15df930be7Sderaadt #define MSG_DISCONNECT		0x04 /* O/O */
16df930be7Sderaadt #define MSG_INITIATOR_DET_ERR	0x05 /* M/M */
17df930be7Sderaadt #define MSG_ABORT		0x06 /* O/M */
18df930be7Sderaadt #define MSG_MESSAGE_REJECT	0x07 /* M/M */
19df930be7Sderaadt #define MSG_NOOP		0x08 /* M/M */
20df930be7Sderaadt #define MSG_PARITY_ERROR	0x09 /* M/M */
21df930be7Sderaadt #define MSG_LINK_CMD_COMPLETE	0x0a /* O/O */
22df930be7Sderaadt #define MSG_LINK_CMD_COMPLETEF	0x0b /* O/O */
23df930be7Sderaadt #define MSG_BUS_DEV_RESET	0x0c /* O/M */
24df930be7Sderaadt #define MSG_ABORT_TAG		0x0d /* O/O */
25df930be7Sderaadt #define MSG_CLEAR_QUEUE		0x0e /* O/O */
26df930be7Sderaadt #define MSG_INIT_RECOVERY	0x0f /* O/O */
27df930be7Sderaadt #define MSG_REL_RECOVERY	0x10 /* O/O */
28df930be7Sderaadt #define MSG_TERM_IO_PROC	0x11 /* O/O */
292cf179f1Smarco #define MSG_QAS_REQUEST		0x55 /* O/O */ /* SPI3 */
30df930be7Sderaadt 
31df930be7Sderaadt /* Messages (2 byte) */
32df930be7Sderaadt #define MSG_SIMPLE_Q_TAG	0x20 /* O/O */
33df930be7Sderaadt #define MSG_HEAD_OF_Q_TAG	0x21 /* O/O */
34df930be7Sderaadt #define MSG_ORDERED_Q_TAG	0x22 /* O/O */
35df930be7Sderaadt #define MSG_IGN_WIDE_RESIDUE	0x23 /* O/O */
36df930be7Sderaadt 
374b3f156aSniklas /* Identify message */		     /* M/M */
384b3f156aSniklas #define MSG_IDENTIFYFLAG	0x80
3914f87500Ssmurph #define MSG_IDENTIFY_DISCFLAG	0x40
404b3f156aSniklas #define MSG_IDENTIFY(lun, disc)	(((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
414b3f156aSniklas #define MSG_ISIDENTIFY(m)	((m) & MSG_IDENTIFYFLAG)
4214f87500Ssmurph #define MSG_IDENTIFY_LUNMASK	0x01F
43df930be7Sderaadt 
444b3f156aSniklas /* Extended messages (opcode and length) */
45df930be7Sderaadt #define MSG_EXT_SDTR		0x01
464b3f156aSniklas #define MSG_EXT_SDTR_LEN	0x03
474b3f156aSniklas 
48df930be7Sderaadt #define MSG_EXT_WDTR		0x03
494b3f156aSniklas #define MSG_EXT_WDTR_LEN	0x02
5014f87500Ssmurph 
5114f87500Ssmurph #define MSG_EXT_WDTR_BUS_8_BIT  0x00
5214f87500Ssmurph #define MSG_EXT_WDTR_BUS_16_BIT 0x01
5314f87500Ssmurph #define MSG_EXT_WDTR_BUS_32_BIT 0x02
54693b9db0Skrw 
55693b9db0Skrw #define MSG_EXT_PPR		0x04
56693b9db0Skrw #define MSG_EXT_PPR_LEN		0x06
57693b9db0Skrw 
584049cf31Skrw #define	MSG_EXT_PPR_PCOMP_EN	0x80
594049cf31Skrw #define	MSG_EXT_PPR_RTI		0x40
604049cf31Skrw #define	MSG_EXT_PPR_RD_STRM	0x20
614049cf31Skrw #define	MSG_EXT_PPR_WR_FLOW	0x10
624049cf31Skrw #define	MSG_EXT_PPR_HOLD_MCS	0x08
63693b9db0Skrw #define MSG_EXT_PPR_PROT_QAS	0x04
64693b9db0Skrw #define MSG_EXT_PPR_PROT_DT	0x02
65693b9db0Skrw #define MSG_EXT_PPR_PROT_IUS	0x01
66*dd0887e4Skrw 
67*dd0887e4Skrw #endif /* _SCSI_SCSI_MESSAGE_H */
68