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 $
6 /* Identify message */ /* M/M */
7 #define MSG_IDENTIFYFLAG 0x80
8 #define MSG_IDENTIFY_DISCFLAG 0x40
9 #define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
10 #define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG)
11 #define MSG_IDENTIFY_LUNMASK 0x3F
13 /* Extended messages (opcode and length) */
14 #define MSG_EXT_SDTR_LEN 0x03
16 #define MSG_EXT_WDTR_LEN 0x02
17 #define MSG_EXT_WDTR_BUS_8_BIT 0x00
18 #define MSG_EXT_WDTR_BUS_16_BIT 0x01
19 #define MSG_EXT_WDTR_BUS_32_BIT 0x02 /* Deprecated in SPI3 */
21 #define MSG_EXT_PPR_LEN 0x06
22 #define MSG_EXT_PPR_PCOMP_EN 0x80
23 #define MSG_EXT_PPR_RTI 0x40
24 #define MSG_EXT_PPR_RD_STRM 0x20
25 #define MSG_EXT_PPR_WR_FLOW 0x10
26 #define MSG_EXT_PPR_HOLD_MCS 0x08
27 #define MSG_EXT_PPR_QAS_REQ 0x04
28 #define MSG_EXT_PPR_DT_REQ 0x02
29 #define MSG_EXT_PPR_IU_REQ 0x01