162306a36Sopenharmony_ci/*
262306a36Sopenharmony_ci * This file is in the public domain.
362306a36Sopenharmony_ci * $FreeBSD: src/sys/cam/scsi/scsi_message.h,v 1.2 2000/05/01 20:21:29 peter Exp $
462306a36Sopenharmony_ci */
562306a36Sopenharmony_ci
662306a36Sopenharmony_ci/* Messages (1 byte) */		     /* I/T (M)andatory or (O)ptional */
762306a36Sopenharmony_ci#define MSG_SAVEDATAPOINTER	0x02 /* O/O */
862306a36Sopenharmony_ci#define MSG_RESTOREPOINTERS	0x03 /* O/O */
962306a36Sopenharmony_ci#define MSG_DISCONNECT		0x04 /* O/O */
1062306a36Sopenharmony_ci#define MSG_MESSAGE_REJECT	0x07 /* M/M */
1162306a36Sopenharmony_ci#define MSG_NOOP		0x08 /* M/M */
1262306a36Sopenharmony_ci
1362306a36Sopenharmony_ci/* Messages (2 byte) */
1462306a36Sopenharmony_ci#define MSG_SIMPLE_Q_TAG	0x20 /* O/O */
1562306a36Sopenharmony_ci#define MSG_IGN_WIDE_RESIDUE	0x23 /* O/O */
1662306a36Sopenharmony_ci
1762306a36Sopenharmony_ci/* Identify message */		     /* M/M */
1862306a36Sopenharmony_ci#define MSG_IDENTIFYFLAG	0x80
1962306a36Sopenharmony_ci#define MSG_IDENTIFY_DISCFLAG	0x40
2062306a36Sopenharmony_ci#define MSG_IDENTIFY(lun, disc)	(((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
2162306a36Sopenharmony_ci#define MSG_ISIDENTIFY(m)	((m) & MSG_IDENTIFYFLAG)
2262306a36Sopenharmony_ci#define MSG_IDENTIFY_LUNMASK	0x3F
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_ci/* Extended messages (opcode and length) */
2562306a36Sopenharmony_ci#define MSG_EXT_SDTR_LEN	0x03
2662306a36Sopenharmony_ci
2762306a36Sopenharmony_ci#define MSG_EXT_WDTR_LEN	0x02
2862306a36Sopenharmony_ci#define MSG_EXT_WDTR_BUS_8_BIT	0x00
2962306a36Sopenharmony_ci#define MSG_EXT_WDTR_BUS_16_BIT	0x01
3062306a36Sopenharmony_ci#define MSG_EXT_WDTR_BUS_32_BIT	0x02 /* Deprecated in SPI3 */
3162306a36Sopenharmony_ci
3262306a36Sopenharmony_ci#define MSG_EXT_PPR_LEN		0x06
3362306a36Sopenharmony_ci#define	MSG_EXT_PPR_PCOMP_EN	0x80
3462306a36Sopenharmony_ci#define	MSG_EXT_PPR_RTI		0x40
3562306a36Sopenharmony_ci#define	MSG_EXT_PPR_RD_STRM	0x20
3662306a36Sopenharmony_ci#define	MSG_EXT_PPR_WR_FLOW	0x10
3762306a36Sopenharmony_ci#define	MSG_EXT_PPR_HOLD_MCS	0x08
3862306a36Sopenharmony_ci#define	MSG_EXT_PPR_QAS_REQ	0x04
3962306a36Sopenharmony_ci#define	MSG_EXT_PPR_DT_REQ	0x02
4062306a36Sopenharmony_ci#define MSG_EXT_PPR_IU_REQ	0x01
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