drivers/scsi/aic7xxx/scsi_message.h

   1 /*
   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 $
   4  */
   5
   6 /* Messages (1 byte) */              /* I/T (M)andatory or (O)ptional */
   7 #define MSG_SAVEDATAPOINTER     0x02 /* O/O */
   8 #define MSG_RESTOREPOINTERS     0x03 /* O/O */
   9 #define MSG_DISCONNECT          0x04 /* O/O */
  10 #define MSG_MESSAGE_REJECT      0x07 /* M/M */
  11 #define MSG_NOOP                0x08 /* M/M */
  12
  13 /* Messages (2 byte) */
  14 #define MSG_SIMPLE_Q_TAG        0x20 /* O/O */
  15 #define MSG_IGN_WIDE_RESIDUE    0x23 /* O/O */
  16
  17 /* Identify message */               /* M/M */
  18 #define MSG_IDENTIFYFLAG        0x80
  19 #define MSG_IDENTIFY_DISCFLAG   0x40
  20 #define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
  21 #define MSG_ISIDENTIFY(m)       ((m) & MSG_IDENTIFYFLAG)
  22 #define MSG_IDENTIFY_LUNMASK    0x3F
  23
  24 /* Extended messages (opcode and length) */
  25 #define MSG_EXT_SDTR_LEN        0x03
  26
  27 #define MSG_EXT_WDTR_LEN        0x02
  28 #define MSG_EXT_WDTR_BUS_8_BIT  0x00
  29 #define MSG_EXT_WDTR_BUS_16_BIT 0x01
  30 #define MSG_EXT_WDTR_BUS_32_BIT 0x02 /* Deprecated in SPI3 */
  31
  32 #define MSG_EXT_PPR_LEN         0x06
  33 #define MSG_EXT_PPR_PCOMP_EN    0x80
  34 #define MSG_EXT_PPR_RTI         0x40
  35 #define MSG_EXT_PPR_RD_STRM     0x20
  36 #define MSG_EXT_PPR_WR_FLOW     0x10
  37 #define MSG_EXT_PPR_HOLD_MCS    0x08
  38 #define MSG_EXT_PPR_QAS_REQ     0x04
  39 #define MSG_EXT_PPR_DT_REQ      0x02
  40 #define MSG_EXT_PPR_IU_REQ      0x01