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drivers/target/target_core_iblock.h 908 Bytes
c66ac9db8   Nicholas Bellinger   [SCSI] target: Ad...
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  #ifndef TARGET_CORE_IBLOCK_H
  #define TARGET_CORE_IBLOCK_H
  
  #define IBLOCK_VERSION		"4.0"
  
  #define IBLOCK_HBA_QUEUE_DEPTH	512
  #define IBLOCK_DEVICE_QUEUE_DEPTH	32
  #define IBLOCK_MAX_DEVICE_QUEUE_DEPTH	128
  #define IBLOCK_MAX_CDBS		16
  #define IBLOCK_LBA_SHIFT	9
  
  struct iblock_req {
  	struct se_task ib_task;
  	unsigned char ib_scsi_cdb[TCM_MAX_COMMAND_SIZE];
  	atomic_t ib_bio_cnt;
  	atomic_t ib_bio_err_cnt;
  	struct bio *ib_bio;
  	struct iblock_dev *ib_dev;
  } ____cacheline_aligned;
  
  #define IBDF_HAS_UDEV_PATH		0x01
  #define IBDF_HAS_FORCE			0x02
  
  struct iblock_dev {
  	unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
  	int	ibd_force;
  	int	ibd_major;
  	int	ibd_minor;
  	u32	ibd_depth;
  	u32	ibd_flags;
  	struct bio_set	*ibd_bio_set;
  	struct block_device *ibd_bd;
  	struct iblock_hba *ibd_host;
  } ____cacheline_aligned;
  
  struct iblock_hba {
  	int		iblock_host_id;
  } ____cacheline_aligned;
  
  #endif /* TARGET_CORE_IBLOCK_H */