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