xref: /dragonfly/sys/bus/cam/scsi/scsi_message.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1 /*
2  * This file is in the public domain.
3  * $FreeBSD: src/sys/cam/scsi/scsi_message.h,v 1.1.6.4 2002/08/30 17:18:06 gibbs Exp $
4  * $DragonFly: src/sys/bus/cam/scsi/scsi_message.h,v 1.2 2003/06/17 04:28:19 dillon Exp $
5  */
6 
7 /* Messages (1 byte) */                      /* I/T (M)andatory or (O)ptional */
8 #define MSG_CMDCOMPLETE                 0x00 /* M/M */
9 #define MSG_TASK_COMPLETE     0x00 /* M/M */ /* SPI3 Terminology */
10 #define MSG_EXTENDED                    0x01 /* O/O */
11 #define MSG_SAVEDATAPOINTER   0x02 /* O/O */
12 #define MSG_RESTOREPOINTERS   0x03 /* O/O */
13 #define MSG_DISCONNECT                  0x04 /* O/O */
14 #define MSG_INITIATOR_DET_ERR 0x05 /* M/M */
15 #define MSG_ABORT             0x06 /* O/M */
16 #define MSG_ABORT_TASK_SET    0x06 /* O/M */ /* SPI3 Terminology */
17 #define MSG_MESSAGE_REJECT    0x07 /* M/M */
18 #define MSG_NOOP              0x08 /* M/M */
19 #define MSG_PARITY_ERROR      0x09 /* M/M */
20 #define MSG_LINK_CMD_COMPLETE 0x0a /* O/O */
21 #define MSG_LINK_CMD_COMPLETEF          0x0b /* O/O */ /* Obsolete */
22 #define MSG_BUS_DEV_RESET     0x0c /* O/M */
23 #define MSG_TARGET_RESET      0x0c /* O/M */ /* SPI3 Terminology */
24 #define MSG_ABORT_TAG                   0x0d /* O/O */
25 #define MSG_ABORT_TASK                  0x0d /* O/O */ /* SPI3 Terminology */
26 #define MSG_CLEAR_QUEUE                 0x0e /* O/O */
27 #define MSG_CLEAR_TASK_SET    0x0e /* O/O */ /* SPI3 Terminology */
28 #define MSG_INIT_RECOVERY     0x0f /* O/O */ /* Deprecated in SPI3 */
29 #define MSG_REL_RECOVERY      0x10 /* O/O */ /* Deprecated in SPI3 */
30 #define MSG_TERM_IO_PROC      0x11 /* O/O */ /* Deprecated in SPI3 */
31 #define MSG_CLEAR_ACA                   0x16 /* O/O */ /* SPI3 */
32 #define MSG_LOGICAL_UNIT_RESET          0x17 /* O/O */ /* SPI3 */
33 #define MSG_QAS_REQUEST                 0x55 /* O/O */ /* SPI3 */
34 
35 /* Messages (2 byte) */
36 #define MSG_SIMPLE_Q_TAG      0x20 /* O/O */
37 #define MSG_SIMPLE_TASK                 0x20 /* O/O */ /* SPI3 Terminology */
38 #define MSG_HEAD_OF_Q_TAG     0x21 /* O/O */
39 #define MSG_HEAD_OF_QUEUE_TASK          0x21 /* O/O */ /* SPI3 Terminology */
40 #define MSG_ORDERED_Q_TAG     0x22 /* O/O */
41 #define MSG_ORDERED_TASK      0x22 /* O/O */ /* SPI3 Terminology */
42 #define MSG_IGN_WIDE_RESIDUE  0x23 /* O/O */
43 #define MSG_ACA_TASK                    0x24 /* 0/0 */ /* SPI3 */
44 
45 /* Identify message */                       /* M/M */
46 #define MSG_IDENTIFYFLAG      0x80
47 #define MSG_IDENTIFY_DISCFLAG 0x40
48 #define MSG_IDENTIFY(lun, disc)         (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
49 #define MSG_ISIDENTIFY(m)     ((m) & MSG_IDENTIFYFLAG)
50 #define MSG_IDENTIFY_LUNMASK  0x3F
51 
52 /* Extended messages (opcode and length) */
53 #define MSG_EXT_SDTR                    0x01
54 #define MSG_EXT_SDTR_LEN      0x03
55 
56 #define MSG_EXT_WDTR                    0x03
57 #define MSG_EXT_WDTR_LEN      0x02
58 #define MSG_EXT_WDTR_BUS_8_BIT          0x00
59 #define MSG_EXT_WDTR_BUS_16_BIT         0x01
60 #define MSG_EXT_WDTR_BUS_32_BIT         0x02 /* Deprecated in SPI3 */
61 
62 #define   MSG_EXT_PPR                   0x04 /* SPI3/SPI4 */
63 #define   MSG_EXT_PPR_LEN               0x06
64 #define   MSG_EXT_PPR_PCOMP_EN          0x80
65 #define   MSG_EXT_PPR_RTI               0x40
66 #define   MSG_EXT_PPR_RD_STRM 0x20
67 #define   MSG_EXT_PPR_WR_FLOW 0x10
68 #define   MSG_EXT_PPR_HOLD_MCS          0x08
69 #define   MSG_EXT_PPR_QAS_REQ 0x04
70 #define   MSG_EXT_PPR_DT_REQ  0x02
71 #define   MSG_EXT_PPR_IU_REQ  0x01
72