1/* $NetBSD: scsi_message.h,v 1.16 2005/12/11 12:23:50 christos 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