| 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 | |