linux/drivers/scsi/aic7xxx/scsi_iu.h
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   1/*
   2 * This file is in the public domain.
   3 */
   4#ifndef _SCSI_SCSI_IU_H
   5#define _SCSI_SCSI_IU_H 1
   6
   7struct scsi_status_iu_header
   8{
   9        u_int8_t reserved[2];
  10        u_int8_t flags;
  11#define SIU_SNSVALID 0x2
  12#define SIU_RSPVALID 0x1
  13        u_int8_t status;
  14        u_int8_t sense_length[4];
  15        u_int8_t pkt_failures_length[4];
  16        u_int8_t pkt_failures[1];
  17};
  18
  19#define SIU_PKTFAIL_OFFSET(siu) 12
  20#define SIU_PKTFAIL_CODE(siu) (scsi_4btoul((siu)->pkt_failures) & 0xFF)
  21#define         SIU_PFC_NONE                    0
  22#define         SIU_PFC_CIU_FIELDS_INVALID      2
  23#define         SIU_PFC_TMF_NOT_SUPPORTED       4
  24#define         SIU_PFC_TMF_FAILED              5
  25#define         SIU_PFC_INVALID_TYPE_CODE       6
  26#define         SIU_PFC_ILLEGAL_REQUEST         7
  27#define SIU_SENSE_OFFSET(siu)                           \
  28    (12 + (((siu)->flags & SIU_RSPVALID)                \
  29        ? scsi_4btoul((siu)->pkt_failures_length)       \
  30        : 0))
  31
  32#define SIU_TASKMGMT_NONE               0x00
  33#define SIU_TASKMGMT_ABORT_TASK         0x01
  34#define SIU_TASKMGMT_ABORT_TASK_SET     0x02
  35#define SIU_TASKMGMT_CLEAR_TASK_SET     0x04
  36#define SIU_TASKMGMT_LUN_RESET          0x08
  37#define SIU_TASKMGMT_TARGET_RESET       0x20
  38#define SIU_TASKMGMT_CLEAR_ACA          0x40
  39#endif /*_SCSI_SCSI_IU_H*/
  40