linux/drivers/target/target_core_iblock.h

41 lines
908 B
C

#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 */