68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* $OpenBSD: scsi_message.h,v 1.10 2019/09/27 23:07:42 krw Exp $ */
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#ifndef _SCSI_SCSI_MESSAGE_H
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#define _SCSI_SCSI_MESSAGE_H
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#define IS1BYTEMSG(m) (((m) != 0x01 && (m) < 0x20) || (m) >= 0x80)
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#define IS2BYTEMSG(m) (((m) & 0xf0) == 0x20)
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#define ISEXTMSG(m) ((m) == 0x01)
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/* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */
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#define MSG_CMDCOMPLETE 0x00 /* M/M */
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#define MSG_EXTENDED 0x01 /* O/O */
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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_INITIATOR_DET_ERR 0x05 /* M/M */
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#define MSG_ABORT 0x06 /* O/M */
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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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#define MSG_PARITY_ERROR 0x09 /* M/M */
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#define MSG_LINK_CMD_COMPLETE 0x0a /* O/O */
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#define MSG_LINK_CMD_COMPLETEF 0x0b /* O/O */
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#define MSG_BUS_DEV_RESET 0x0c /* O/M */
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#define MSG_ABORT_TAG 0x0d /* O/O */
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#define MSG_CLEAR_QUEUE 0x0e /* O/O */
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#define MSG_INIT_RECOVERY 0x0f /* O/O */
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#define MSG_REL_RECOVERY 0x10 /* O/O */
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#define MSG_TERM_IO_PROC 0x11 /* O/O */
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#define MSG_QAS_REQUEST 0x55 /* O/O */ /* SPI3 */
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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_HEAD_OF_Q_TAG 0x21 /* O/O */
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#define MSG_ORDERED_Q_TAG 0x22 /* 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 0x01F
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/* Extended messages (opcode and length) */
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#define MSG_EXT_SDTR 0x01
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#define MSG_EXT_SDTR_LEN 0x03
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#define MSG_EXT_WDTR 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
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#define MSG_EXT_PPR 0x04
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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_PROT_QAS 0x04
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#define MSG_EXT_PPR_PROT_DT 0x02
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#define MSG_EXT_PPR_PROT_IUS 0x01
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#endif /* _SCSI_SCSI_MESSAGE_H */
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