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kernel/linux-rt-4.4.41/drivers/scsi/aic7xxx/scsi_iu.h 1.04 KB
5113f6f70   김현기   kernel add
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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*/