root/drivers/scsi/aic7xxx/scsi_iu.h

INCLUDED FROM

   1 /*
   2  * This file is in the public domain.
   3  */
   4 #ifndef _SCSI_SCSI_IU_H
   5 #define _SCSI_SCSI_IU_H 1
   6 
   7 struct 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*/