1 | /* $NetBSD: scsi_message.h,v 1.17 2006/08/26 23:32:55 bjh21 Exp $ */ |
2 | |
3 | /* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */ |
4 | #define MSG_CMDCOMPLETE 0x00 /* M/M */ |
5 | #define MSG_TASK_COMPLETE 0x00 /* M/M */ /* SPI3 Terminology */ |
6 | #define MSG_EXTENDED 0x01 /* O/O */ |
7 | #define MSG_SAVEDATAPOINTER 0x02 /* O/O */ |
8 | #define MSG_RESTOREPOINTERS 0x03 /* O/O */ |
9 | #define MSG_DISCONNECT 0x04 /* O/O */ |
10 | #define MSG_INITIATOR_DET_ERR 0x05 /* M/M */ |
11 | #define MSG_ABORT 0x06 /* O/M */ |
12 | #define MSG_ABORT_TASK_SET 0x06 /* O/M */ /* SPI3 Terminology */ |
13 | #define MSG_MESSAGE_REJECT 0x07 /* M/M */ |
14 | #define MSG_NOOP 0x08 /* M/M */ |
15 | #define MSG_PARITY_ERROR 0x09 /* M/M */ |
16 | #define MSG_LINK_CMD_COMPLETE 0x0a /* O/O */ |
17 | #define MSG_LINK_CMD_COMPLETEF 0x0b /* O/O */ |
18 | #define MSG_BUS_DEV_RESET 0x0c /* O/M */ |
19 | #define MSG_TARGET_RESET 0x0c /* O/M */ /* SPI3 Terminology */ |
20 | #define MSG_ABORT_TAG 0x0d /* O/O */ |
21 | #define MSG_ABORT_TASK 0x0d /* O/O */ /* SPI3 Terminology */ |
22 | #define MSG_CLEAR_QUEUE 0x0e /* O/O */ |
23 | #define MSG_CLEAR_TASK_SET 0x0e /* O/O */ /* SPI3 Terminology */ |
24 | #define MSG_INIT_RECOVERY 0x0f /* O/O */ /* Deprecated in SPI3 */ |
25 | #define MSG_REL_RECOVERY 0x10 /* O/O */ /* Deprecated in SPI3 */ |
26 | #define MSG_TERM_IO_PROC 0x11 /* O/O */ /* Deprecated in SPI3 */ |
27 | #define MSG_QAS_REQUEST 0x55 /* O/O */ /* SPI3 */ |
28 | |
29 | /* Messages (2 byte) */ |
30 | #define MSG_SIMPLE_Q_TAG 0x20 /* O/O */ |
31 | #define MSG_SIMPLE_TASK 0x20 /* O/O */ /* SPI3 Terminology */ |
32 | #define MSG_HEAD_OF_Q_TAG 0x21 /* O/O */ |
33 | #define MSG_HEAD_OF_QUEUE_TASK 0x21 /* O/O */ /* SPI3 Terminology */ |
34 | #define MSG_ORDERED_Q_TAG 0x22 /* O/O */ |
35 | #define MSG_ORDERED_TASK 0x22 /* O/O */ /* SPI3 Terminology */ |
36 | #define MSG_IGN_WIDE_RESIDUE 0x23 /* O/O */ |
37 | #define MSG_ACA_TASK 0x24 /* 0/0 */ /* SPI3 */ |
38 | |
39 | /* Identify message */ /* M/M */ |
40 | #define MSG_IDENTIFYFLAG 0x80 |
41 | #define MSG_IDENTIFY_DISCFLAG 0x40 |
42 | #define MSG_IDENTIFY(lun, disc) \ |
43 | (MSG_IDENTIFYFLAG | ((disc) ? MSG_IDENTIFY_DISCFLAG : 0) | (lun)) |
44 | #define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG) |
45 | #define MSG_IDENTIFY_LUNMASK 0x3f |
46 | |
47 | /* Extended messages (opcode and length) */ |
48 | #define MSG_EXT_SDTR 0x01 |
49 | #define MSG_EXT_SDTR_LEN 0x03 |
50 | |
51 | #define MSG_EXT_WDTR 0x03 |
52 | #define MSG_EXT_WDTR_LEN 0x02 |
53 | #define MSG_EXT_WDTR_BUS_8_BIT 0x00 |
54 | #define MSG_EXT_WDTR_BUS_16_BIT 0x01 |
55 | #define MSG_EXT_WDTR_BUS_32_BIT 0x02 /* Deprecated in SPI3 */ |
56 | |
57 | #define MSG_EXT_PPR 0x04 /* SPI3 */ |
58 | #define MSG_EXT_PPR_LEN 0x06 |
59 | /* |
60 | * Offsets: 0x3: transfer period factor |
61 | * 0x4: reserved |
62 | * 0x5: REQ/ACK offset |
63 | * 0x6: transfer width exponent |
64 | * 0x7: flags |
65 | */ |
66 | #define MSG_EXT_PPR_IU 0x01 |
67 | #define MSG_EXT_PPR_DT 0x02 |
68 | #define MSG_EXT_PPR_QAS 0x04 |
69 | #define MSG_EXT_PPR_HOLDMCS 0x08 |
70 | #define MSG_EXT_PPR_WRFLOW 0x10 |
71 | #define MSG_EXT_PPR_RDSTRM 0x20 |
72 | #define MSG_EXT_PPR_RTI 0x40 |
73 | #define MSG_EXT_PPR_PCOM 0x80 |
74 | |
75 | /* |
76 | * FreeBSD compat for above. |
77 | */ |
78 | #define MSG_EXT_PPR_QAS_REQ MSG_EXT_PPR_QAS |
79 | #define MSG_EXT_PPR_DT_REQ MSG_EXT_PPR_DT |
80 | #define MSG_EXT_PPR_IU_REQ MSG_EXT_PPR_IU |
81 | #define MSG_EXT_PPR_PCOMP_EN MSG_EXT_PPR_PCOM |
82 | #define MSG_EXT_PPR_RD_STRM MSG_EXT_PPR_RDSTRM |
83 | |
84 | #define MSG_ISEXTENDED(m) ((m) == MSG_EXTENDED) |
85 | |
86 | /* message length */ |
87 | #define MSG_IS1BYTE(m) \ |
88 | ((!MSG_ISEXTENDED(m) && (m) < 0x20) || \ |
89 | (m) == MSG_QAS_REQUEST || MSG_ISIDENTIFY(m)) |
90 | #define MSG_IS2BYTE(m) (((m) & 0xf0) == 0x20) |
91 | |