linux/drivers/scsi/aic7xxx/scsi_message.h
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   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
  71