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_CMDCOMPLETE         0x00 /* M/M */
   8 #define MSG_TASK_COMPLETE       0x00 /* M/M */ /* SPI3 Terminology */
   9 #define MSG_EXTENDED            0x01 /* O/O */
  10 #define MSG_SAVEDATAPOINTER     0x02 /* O/O */
  11 #define MSG_RESTOREPOINTERS     0x03 /* O/O */
  12 #define MSG_DISCONNECT          0x04 /* O/O */
  13 #define MSG_INITIATOR_DET_ERR   0x05 /* M/M */
  14 #define MSG_ABORT               0x06 /* O/M */
  15 #define MSG_ABORT_TASK_SET      0x06 /* O/M */ /* SPI3 Terminology */
  16 #define MSG_MESSAGE_REJECT      0x07 /* M/M */
  17 #define MSG_NOOP                0x08 /* M/M */
  18 #define MSG_PARITY_ERROR        0x09 /* M/M */
  19 #define MSG_LINK_CMD_COMPLETE   0x0a /* O/O */
  20 #define MSG_LINK_CMD_COMPLETEF  0x0b /* O/O */
  21 #define MSG_BUS_DEV_RESET       0x0c /* O/M */
  22 #define MSG_TARGET_RESET        0x0c /* O/M */ /* SPI3 Terminology */
  23 #define MSG_ABORT_TAG           0x0d /* O/O */
  24 #define MSG_ABORT_TASK          0x0d /* O/O */ /* SPI3 Terminology */
  25 #define MSG_CLEAR_QUEUE         0x0e /* O/O */
  26 #define MSG_CLEAR_TASK_SET      0x0e /* O/O */ /* SPI3 Terminology */
  27 #define MSG_INIT_RECOVERY       0x0f /* O/O */ /* Deprecated in SPI3 */
  28 #define MSG_REL_RECOVERY        0x10 /* O/O */ /* Deprecated in SPI3 */
  29 #define MSG_TERM_IO_PROC        0x11 /* O/O */ /* Deprecated in SPI3 */
  30 #define MSG_CLEAR_ACA           0x16 /* O/O */ /* SPI3 */
  31 #define MSG_LOGICAL_UNIT_RESET  0x17 /* O/O */ /* SPI3 */
  32 #define MSG_QAS_REQUEST         0x55 /* O/O */ /* SPI3 */
  33
  34 /* Messages (2 byte) */
  35 #define MSG_SIMPLE_Q_TAG        0x20 /* O/O */
  36 #define MSG_SIMPLE_TASK         0x20 /* O/O */ /* SPI3 Terminology */
  37 #define MSG_HEAD_OF_Q_TAG       0x21 /* O/O */
  38 #define MSG_HEAD_OF_QUEUE_TASK  0x21 /* O/O */ /* SPI3 Terminology */
  39 #define MSG_ORDERED_Q_TAG       0x22 /* O/O */
  40 #define MSG_ORDERED_TASK        0x22 /* O/O */ /* SPI3 Terminology */
  41 #define MSG_IGN_WIDE_RESIDUE    0x23 /* O/O */
  42 #define MSG_ACA_TASK            0x24 /* 0/0 */ /* SPI3 */
  43
  44 /* Identify message */               /* M/M */
  45 #define MSG_IDENTIFYFLAG        0x80
  46 #define MSG_IDENTIFY_DISCFLAG   0x40
  47 #define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
  48 #define MSG_ISIDENTIFY(m)       ((m) & MSG_IDENTIFYFLAG)
  49 #define MSG_IDENTIFY_LUNMASK    0x3F
  50
  51 /* Extended messages (opcode and length) */
  52 #define MSG_EXT_SDTR            0x01
  53 #define MSG_EXT_SDTR_LEN        0x03
  54
  55 #define MSG_EXT_WDTR            0x03
  56 #define MSG_EXT_WDTR_LEN        0x02
  57 #define MSG_EXT_WDTR_BUS_8_BIT  0x00
  58 #define MSG_EXT_WDTR_BUS_16_BIT 0x01
  59 #define MSG_EXT_WDTR_BUS_32_BIT 0x02 /* Deprecated in SPI3 */
  60
  61 #define MSG_EXT_PPR             0x04 /* SPI3 */
  62 #define MSG_EXT_PPR_LEN         0x06
  63 #define MSG_EXT_PPR_PCOMP_EN    0x80
  64 #define MSG_EXT_PPR_RTI         0x40
  65 #define MSG_EXT_PPR_RD_STRM     0x20
  66 #define MSG_EXT_PPR_WR_FLOW     0x10
  67 #define MSG_EXT_PPR_HOLD_MCS    0x08
  68 #define MSG_EXT_PPR_QAS_REQ     0x04
  69 #define MSG_EXT_PPR_DT_REQ      0x02
  70 #define MSG_EXT_PPR_IU_REQ      0x01