1/* 2 * This file is in the public domain. 3 * $FreeBSD: src/sys/cam/scsi/scsi_message.h,v 1.2 2000/05/01 20:21:29 peter Exp $ 4 */ 5 6/* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */ 7#define MSG_SAVEDATAPOINTER 0x02 /* O/O */ 8#define MSG_RESTOREPOINTERS 0x03 /* O/O */ 9#define MSG_DISCONNECT 0x04 /* O/O */ 10#define MSG_MESSAGE_REJECT 0x07 /* M/M */ 11#define MSG_NOOP 0x08 /* M/M */ 12 13/* Messages (2 byte) */ 14#define MSG_SIMPLE_Q_TAG 0x20 /* O/O */ 15#define MSG_IGN_WIDE_RESIDUE 0x23 /* O/O */ 16 17/* Identify message */ /* M/M */ 18#define MSG_IDENTIFYFLAG 0x80 19#define MSG_IDENTIFY_DISCFLAG 0x40 20#define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun)) 21#define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG) 22#define MSG_IDENTIFY_LUNMASK 0x3F 23 24/* Extended messages (opcode and length) */ 25#define MSG_EXT_SDTR_LEN 0x03 26 27#define MSG_EXT_WDTR_LEN 0x02 28#define MSG_EXT_WDTR_BUS_8_BIT 0x00 29#define MSG_EXT_WDTR_BUS_16_BIT 0x01 30#define MSG_EXT_WDTR_BUS_32_BIT 0x02 /* Deprecated in SPI3 */ 31 32#define MSG_EXT_PPR_LEN 0x06 33#define MSG_EXT_PPR_PCOMP_EN 0x80 34#define MSG_EXT_PPR_RTI 0x40 35#define MSG_EXT_PPR_RD_STRM 0x20 36#define MSG_EXT_PPR_WR_FLOW 0x10 37#define MSG_EXT_PPR_HOLD_MCS 0x08 38#define MSG_EXT_PPR_QAS_REQ 0x04 39#define MSG_EXT_PPR_DT_REQ 0x02 40#define MSG_EXT_PPR_IU_REQ 0x01 41