linux/drivers/target/target_core_iblock.h
Christoph Hellwig 6193f06e6f target: make the ->get_cdb method optional
The most commonly used file, iblock and rd backends have no use for
a per-task CDB and thus don't need a method to copy it into their
otherwise unused CDB fields.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24 03:21:11 +00:00

29 lines
601 B
C

#ifndef TARGET_CORE_IBLOCK_H
#define TARGET_CORE_IBLOCK_H
#define IBLOCK_VERSION "4.0"
#define IBLOCK_MAX_CDBS 16
#define IBLOCK_LBA_SHIFT 9
struct iblock_req {
struct se_task ib_task;
atomic_t ib_bio_cnt;
atomic_t ib_bio_err_cnt;
} ____cacheline_aligned;
#define IBDF_HAS_UDEV_PATH 0x01
struct iblock_dev {
unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
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 */