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freebsd/sys/cam/scsi/scsi_iu.h
Justin T. Gibbs 2ac1f53476 scsi_message.h:
Include PPR option bits defined in SPI4.

scsi_iu.h:
	Add data structures releated to parallel SCSI information units
	for use in SPI4 packetized protocol.
2002-06-05 19:05:01 +00:00

33 lines
810 B
C

/*
* 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*/