41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
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/*
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* This file is in the public domain.
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* $FreeBSD: src/sys/cam/scsi/scsi_message.h,v 1.2 2000/05/01 20:21:29 peter Exp $
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*/
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/* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */
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#define MSG_SAVEDATAPOINTER 0x02 /* O/O */
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#define MSG_RESTOREPOINTERS 0x03 /* O/O */
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#define MSG_DISCONNECT 0x04 /* O/O */
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#define MSG_MESSAGE_REJECT 0x07 /* M/M */
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#define MSG_NOOP 0x08 /* M/M */
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/* Messages (2 byte) */
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#define MSG_SIMPLE_Q_TAG 0x20 /* O/O */
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#define MSG_IGN_WIDE_RESIDUE 0x23 /* O/O */
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/* Identify message */ /* M/M */
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#define MSG_IDENTIFYFLAG 0x80
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#define MSG_IDENTIFY_DISCFLAG 0x40
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#define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
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#define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG)
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#define MSG_IDENTIFY_LUNMASK 0x3F
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/* Extended messages (opcode and length) */
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#define MSG_EXT_SDTR_LEN 0x03
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#define MSG_EXT_WDTR_LEN 0x02
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#define MSG_EXT_WDTR_BUS_8_BIT 0x00
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#define MSG_EXT_WDTR_BUS_16_BIT 0x01
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#define MSG_EXT_WDTR_BUS_32_BIT 0x02 /* Deprecated in SPI3 */
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#define MSG_EXT_PPR_LEN 0x06
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#define MSG_EXT_PPR_PCOMP_EN 0x80
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#define MSG_EXT_PPR_RTI 0x40
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#define MSG_EXT_PPR_RD_STRM 0x20
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#define MSG_EXT_PPR_WR_FLOW 0x10
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#define MSG_EXT_PPR_HOLD_MCS 0x08
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#define MSG_EXT_PPR_QAS_REQ 0x04
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#define MSG_EXT_PPR_DT_REQ 0x02
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#define MSG_EXT_PPR_IU_REQ 0x01
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