[mirror_ubuntu-bionic-kernel.git] / drivers / target / target_core_iblock.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef TARGET_CORE_IBLOCK_H
#define TARGET_CORE_IBLOCK_H

#include <linux/atomic.h>
#include <linux/refcount.h>
#include <target/target_core_base.h>

#define IBLOCK_VERSION		"4.0"

#define IBLOCK_MAX_CDBS		16
#define IBLOCK_LBA_SHIFT	9

struct iblock_req {
	refcount_t pending;
	atomic_t ib_bio_err_cnt;
} ____cacheline_aligned;

#define IBDF_HAS_UDEV_PATH		0x01

struct iblock_dev {
	struct se_device dev;
	unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
	u32	ibd_flags;
	struct bio_set	*ibd_bio_set;
	struct block_device *ibd_bd;
	bool ibd_readonly;
} ____cacheline_aligned;

#endif /* TARGET_CORE_IBLOCK_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
c66ac9db NB	2	#ifndef TARGET_CORE_IBLOCK_H
	3	#define TARGET_CORE_IBLOCK_H
	4
8dcf07be	5	#include <linux/atomic.h>
5981c245	6	#include <linux/refcount.h>
8dcf07be BVA	7	#include <target/target_core_base.h>
8dcf07be BVA	8
c66ac9db NB	9	#define IBLOCK_VERSION "4.0"
c66ac9db NB	10
c66ac9db NB	11	#define IBLOCK_MAX_CDBS 16
	12	#define IBLOCK_LBA_SHIFT 9
	13
	14	struct iblock_req {
5981c245	15	refcount_t pending;
c66ac9db	16	atomic_t ib_bio_err_cnt;
c66ac9db NB	17	} ____cacheline_aligned;
	18
	19	#define IBDF_HAS_UDEV_PATH 0x01
c66ac9db NB	20
c66ac9db NB	21	struct iblock_dev {
0fd97ccf	22	struct se_device dev;
c66ac9db	23	unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
c66ac9db NB	24	u32 ibd_flags;
	25	struct bio_set *ibd_bio_set;
	26	struct block_device *ibd_bd;
44bfd018	27	bool ibd_readonly;
c66ac9db NB	28	} ____cacheline_aligned;
	29
	30	#endif /* TARGET_CORE_IBLOCK_H */