The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_message.h

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    1 /*-
    2  * This file is in the public domain.
    3  * $FreeBSD$
    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 */ /* Obsolete */
   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/SPI4 */
   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

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