blob: a79f89c651732d5f4b466ae73ad35e14deac467d [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */
2#define MSG_CMDCOMPLETE 0x00 /* M/M */
3#define MSG_EXTENDED 0x01 /* O/O */
4#define MSG_SAVEDATAPOINTER 0x02 /* O/O */
5#define MSG_RESTOREPOINTERS 0x03 /* O/O */
6#define MSG_DISCONNECT 0x04 /* O/O */
7#define MSG_INITIATOR_DET_ERR 0x05 /* M/M */
8#define MSG_ABORT 0x06 /* O/M */
9#define MSG_MESSAGE_REJECT 0x07 /* M/M */
10#define MSG_NOOP 0x08 /* M/M */
11#define MSG_PARITY_ERROR 0x09 /* M/M */
12#define MSG_LINK_CMD_COMPLETE 0x0a /* O/O */
13#define MSG_LINK_CMD_COMPLETEF 0x0b /* O/O */
14#define MSG_BUS_DEV_RESET 0x0c /* O/M */
15#define MSG_ABORT_TAG 0x0d /* O/O */
16#define MSG_CLEAR_QUEUE 0x0e /* O/O */
17#define MSG_INIT_RECOVERY 0x0f /* O/O */
18#define MSG_REL_RECOVERY 0x10 /* O/O */
19#define MSG_TERM_IO_PROC 0x11 /* O/O */
20
21/* Messages (2 byte) */
22#define MSG_SIMPLE_Q_TAG 0x20 /* O/O */
23#define MSG_HEAD_OF_Q_TAG 0x21 /* O/O */
24#define MSG_ORDERED_Q_TAG 0x22 /* O/O */
25#define MSG_IGN_WIDE_RESIDUE 0x23 /* O/O */
26
27/* Identify message */ /* M/M */
28#define MSG_IDENTIFYFLAG 0x80
29#define MSG_IDENTIFY_DISCFLAG 0x40
30#define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
31#define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG)
32
33/* Extended messages (opcode and length) */
34#define MSG_EXT_SDTR 0x01
35#define MSG_EXT_SDTR_LEN 0x03
36
37#define MSG_EXT_WDTR 0x03
38#define MSG_EXT_WDTR_LEN 0x02
39#define MSG_EXT_WDTR_BUS_8_BIT 0x00
40#define MSG_EXT_WDTR_BUS_16_BIT 0x01
41#define MSG_EXT_WDTR_BUS_32_BIT 0x02
42
43#define MSG_EXT_PPR 0x04
44#define MSG_EXT_PPR_LEN 0x06
45#define MSG_EXT_PPR_OPTION_ST 0x00
46#define MSG_EXT_PPR_OPTION_DT_CRC 0x02
47#define MSG_EXT_PPR_OPTION_DT_UNITS 0x03
48#define MSG_EXT_PPR_OPTION_DT_CRC_QUICK 0x04
49#define MSG_EXT_PPR_OPTION_DT_UNITS_QUICK 0x05