11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * This file is in the public domain. 31da177e4SLinus Torvalds * $FreeBSD: src/sys/cam/scsi/scsi_message.h,v 1.2 2000/05/01 20:21:29 peter Exp $ 41da177e4SLinus Torvalds */ 51da177e4SLinus Torvalds 6*7e760633STom Rix /* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */ 7*7e760633STom Rix #define MSG_SAVEDATAPOINTER 0x02 /* O/O */ 8*7e760633STom Rix #define MSG_RESTOREPOINTERS 0x03 /* O/O */ 9*7e760633STom Rix #define MSG_DISCONNECT 0x04 /* O/O */ 10*7e760633STom Rix #define MSG_MESSAGE_REJECT 0x07 /* M/M */ 11*7e760633STom Rix #define MSG_NOOP 0x08 /* M/M */ 12*7e760633STom Rix 13*7e760633STom Rix /* Messages (2 byte) */ 14*7e760633STom Rix #define MSG_SIMPLE_Q_TAG 0x20 /* O/O */ 15*7e760633STom Rix #define MSG_IGN_WIDE_RESIDUE 0x23 /* O/O */ 16*7e760633STom Rix 171da177e4SLinus Torvalds /* Identify message */ /* M/M */ 181da177e4SLinus Torvalds #define MSG_IDENTIFYFLAG 0x80 191da177e4SLinus Torvalds #define MSG_IDENTIFY_DISCFLAG 0x40 201da177e4SLinus Torvalds #define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun)) 211da177e4SLinus Torvalds #define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG) 221da177e4SLinus Torvalds #define MSG_IDENTIFY_LUNMASK 0x3F 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds /* Extended messages (opcode and length) */ 251da177e4SLinus Torvalds #define MSG_EXT_SDTR_LEN 0x03 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define MSG_EXT_WDTR_LEN 0x02 281da177e4SLinus Torvalds #define MSG_EXT_WDTR_BUS_8_BIT 0x00 291da177e4SLinus Torvalds #define MSG_EXT_WDTR_BUS_16_BIT 0x01 301da177e4SLinus Torvalds #define MSG_EXT_WDTR_BUS_32_BIT 0x02 /* Deprecated in SPI3 */ 311da177e4SLinus Torvalds 321da177e4SLinus Torvalds #define MSG_EXT_PPR_LEN 0x06 331da177e4SLinus Torvalds #define MSG_EXT_PPR_PCOMP_EN 0x80 341da177e4SLinus Torvalds #define MSG_EXT_PPR_RTI 0x40 351da177e4SLinus Torvalds #define MSG_EXT_PPR_RD_STRM 0x20 361da177e4SLinus Torvalds #define MSG_EXT_PPR_WR_FLOW 0x10 371da177e4SLinus Torvalds #define MSG_EXT_PPR_HOLD_MCS 0x08 381da177e4SLinus Torvalds #define MSG_EXT_PPR_QAS_REQ 0x04 391da177e4SLinus Torvalds #define MSG_EXT_PPR_DT_REQ 0x02 401da177e4SLinus Torvalds #define MSG_EXT_PPR_IU_REQ 0x01 41