root/scsi/scsi_message.h

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INCLUDED FROM

    1 /*      $OpenBSD: scsi_message.h,v 1.8 2006/05/11 00:45:59 krw Exp $    */
    2 
    3 /* Messages (1 byte) */              /* I/T (M)andatory or (O)ptional */
    4 #define MSG_CMDCOMPLETE         0x00 /* M/M */
    5 #define MSG_EXTENDED            0x01 /* O/O */
    6 #define MSG_SAVEDATAPOINTER     0x02 /* O/O */
    7 #define MSG_RESTOREPOINTERS     0x03 /* O/O */
    8 #define MSG_DISCONNECT          0x04 /* O/O */
    9 #define MSG_INITIATOR_DET_ERR   0x05 /* M/M */
   10 #define MSG_ABORT               0x06 /* O/M */
   11 #define MSG_MESSAGE_REJECT      0x07 /* M/M */
   12 #define MSG_NOOP                0x08 /* M/M */
   13 #define MSG_PARITY_ERROR        0x09 /* M/M */
   14 #define MSG_LINK_CMD_COMPLETE   0x0a /* O/O */
   15 #define MSG_LINK_CMD_COMPLETEF  0x0b /* O/O */
   16 #define MSG_BUS_DEV_RESET       0x0c /* O/M */
   17 #define MSG_ABORT_TAG           0x0d /* O/O */
   18 #define MSG_CLEAR_QUEUE         0x0e /* O/O */
   19 #define MSG_INIT_RECOVERY       0x0f /* O/O */
   20 #define MSG_REL_RECOVERY        0x10 /* O/O */
   21 #define MSG_TERM_IO_PROC        0x11 /* O/O */
   22 #define MSG_QAS_REQUEST         0x55 /* O/O */ /* SPI3 */
   23 
   24 /* Messages (2 byte) */
   25 #define MSG_SIMPLE_Q_TAG        0x20 /* O/O */
   26 #define MSG_HEAD_OF_Q_TAG       0x21 /* O/O */
   27 #define MSG_ORDERED_Q_TAG       0x22 /* O/O */
   28 #define MSG_IGN_WIDE_RESIDUE    0x23 /* O/O */
   29 
   30 /* Identify message */               /* M/M */
   31 #define MSG_IDENTIFYFLAG        0x80
   32 #define MSG_IDENTIFY_DISCFLAG   0x40
   33 #define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
   34 #define MSG_ISIDENTIFY(m)       ((m) & MSG_IDENTIFYFLAG)
   35 #define MSG_IDENTIFY_LUNMASK    0x01F
   36 
   37 /* Extended messages (opcode and length) */
   38 #define MSG_EXT_SDTR            0x01
   39 #define MSG_EXT_SDTR_LEN        0x03
   40 
   41 #define MSG_EXT_WDTR            0x03
   42 #define MSG_EXT_WDTR_LEN        0x02
   43 
   44 #define MSG_EXT_WDTR_BUS_8_BIT  0x00
   45 #define MSG_EXT_WDTR_BUS_16_BIT 0x01
   46 #define MSG_EXT_WDTR_BUS_32_BIT 0x02
   47 
   48 #define MSG_EXT_PPR             0x04
   49 #define MSG_EXT_PPR_LEN         0x06
   50 
   51 #define MSG_EXT_PPR_PCOMP_EN    0x80
   52 #define MSG_EXT_PPR_RTI         0x40
   53 #define MSG_EXT_PPR_RD_STRM     0x20
   54 #define MSG_EXT_PPR_WR_FLOW     0x10
   55 #define MSG_EXT_PPR_HOLD_MCS    0x08
   56 #define MSG_EXT_PPR_PROT_QAS    0x04
   57 #define MSG_EXT_PPR_PROT_DT     0x02
   58 #define MSG_EXT_PPR_PROT_IUS    0x01
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