scsi_iu.h

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/*
 * 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*/