/*
 * This file is in the public domain.
 */
#ifndef _SCSI_SCSI_IU_H
#define _SCSI_SCSI_IU_H 1

struct scsi_status_iu_header
{
        u_int8_t reserved[2];
        u_int8_t flags;
#define SIU_SNSVALID 0x2
#define SIU_RSPVALID 0x1
        u_int8_t status;
        u_int8_t sense_length[4];
        u_int8_t pkt_failures_length[4];
        u_int8_t pkt_failures[1];
};

#define SIU_PKTFAIL_OFFSET(siu) 12
#define SIU_PKTFAIL_CODE(siu) (scsi_4btoul((siu)->pkt_failures) & 0xFF)
#define         SIU_PFC_NONE                    0
#define         SIU_PFC_CIU_FIELDS_INVALID      2
#define         SIU_PFC_TMF_NOT_SUPPORTED       4
#define         SIU_PFC_TMF_FAILED              5
#define         SIU_PFC_INVALID_TYPE_CODE       6
#define         SIU_PFC_ILLEGAL_REQUEST         7
#define SIU_SENSE_OFFSET(siu)                           \
    (12 + (((siu)->flags & SIU_RSPVALID)                \
        ? scsi_4btoul((siu)->pkt_failures_length)       \
        : 0))

#define SIU_TASKMGMT_NONE               0x00
#define SIU_TASKMGMT_ABORT_TASK         0x01
#define SIU_TASKMGMT_ABORT_TASK_SET     0x02
#define SIU_TASKMGMT_CLEAR_TASK_SET     0x04
#define SIU_TASKMGMT_LUN_RESET          0x08
#define SIU_TASKMGMT_TARGET_RESET       0x20
#define SIU_TASKMGMT_CLEAR_ACA          0x40
#endif /*_SCSI_SCSI_IU_H*/