freebsd-dev/sys/cam/scsi/scsi_iu.h

33 lines
810 B
C
Raw Normal View History

/*
* This file is in the public domain.
* $FreeBSD$
*/
#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))
#endif /*_SCSI_SCSI_IU_H*/