[deliverable/linux.git] / drivers / target / target_core_iblock.h

#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;
	unsigned char ib_scsi_cdb[TCM_MAX_COMMAND_SIZE];
	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 */
Commit	Line	Data
c66ac9db NB	1	#ifndef TARGET_CORE_IBLOCK_H
	2	#define TARGET_CORE_IBLOCK_H
	3
	4	#define IBLOCK_VERSION "4.0"
	5
c66ac9db NB	6	#define IBLOCK_MAX_CDBS 16
	7	#define IBLOCK_LBA_SHIFT 9
	8
	9	struct iblock_req {
	10	struct se_task ib_task;
	11	unsigned char ib_scsi_cdb[TCM_MAX_COMMAND_SIZE];
	12	atomic_t ib_bio_cnt;
	13	atomic_t ib_bio_err_cnt;
c66ac9db NB	14	} ____cacheline_aligned;
	15
	16	#define IBDF_HAS_UDEV_PATH 0x01
c66ac9db NB	17
	18	struct iblock_dev {
	19	unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
c66ac9db NB	20	u32 ibd_flags;
	21	struct bio_set *ibd_bio_set;
	22	struct block_device *ibd_bd;
	23	struct iblock_hba *ibd_host;
	24	} ____cacheline_aligned;
	25
	26	struct iblock_hba {
	27	int iblock_host_id;
	28	} ____cacheline_aligned;
	29
	30	#endif /* TARGET_CORE_IBLOCK_H */