1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef TARGET_CORE_FILE_H
 3#define TARGET_CORE_FILE_H
 4
 5#include <target/target_core_base.h>
 6
 7#define FD_VERSION		"4.0"
 8
 9#define FD_MAX_DEV_NAME		256
10#define FD_MAX_DEV_PROT_NAME	FD_MAX_DEV_NAME + 16
11#define FD_DEVICE_QUEUE_DEPTH	32
12#define FD_MAX_DEVICE_QUEUE_DEPTH 128
13#define FD_BLOCKSIZE		512
14/*
15 * Limited by the number of iovecs (2048) per vfs_[writev,readv] call
16 */
17#define FD_MAX_BYTES		8388608
18
19#define RRF_EMULATE_CDB		0x01
20#define RRF_GOT_LBA		0x02
21
22#define FBDF_HAS_PATH		0x01
23#define FBDF_HAS_SIZE		0x02
24#define FDBD_HAS_BUFFERED_IO_WCE 0x04
25#define FDBD_HAS_ASYNC_IO	 0x08
26#define FDBD_FORMAT_UNIT_SIZE	2048
27
28struct fd_dev {
29	struct se_device dev;
30
31	u32		fbd_flags;
32	unsigned char	fd_dev_name[FD_MAX_DEV_NAME];
33	/* Unique Ramdisk Device ID in Ramdisk HBA */
34	u32		fd_dev_id;
35	/* Number of SG tables in sg_table_array */
36	u32		fd_table_count;
37	u32		fd_queue_depth;
38	u32		fd_block_size;
39	unsigned long long fd_dev_size;
40	struct file	*fd_file;
41	struct file	*fd_prot_file;
42	/* FILEIO HBA device is connected to */
43	struct fd_host *fd_host;
44} ____cacheline_aligned;
45
46struct fd_host {
47	u32		fd_host_dev_id_count;
48	/* Unique FILEIO Host ID */
49	u32		fd_host_id;
50} ____cacheline_aligned;
51
52#endif /* TARGET_CORE_FILE_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef TARGET_CORE_FILE_H
 3#define TARGET_CORE_FILE_H
 4
 5#include <target/target_core_base.h>
 6
 7#define FD_VERSION		"4.0"
 8
 9#define FD_MAX_DEV_NAME		256
10#define FD_MAX_DEV_PROT_NAME	FD_MAX_DEV_NAME + 16
11#define FD_DEVICE_QUEUE_DEPTH	32
12#define FD_MAX_DEVICE_QUEUE_DEPTH 128
13#define FD_BLOCKSIZE		512
14/*
15 * Limited by the number of iovecs (2048) per vfs_[writev,readv] call
16 */
17#define FD_MAX_BYTES		8388608
18
19#define RRF_EMULATE_CDB		0x01
20#define RRF_GOT_LBA		0x02
21
22#define FBDF_HAS_PATH		0x01
23#define FBDF_HAS_SIZE		0x02
24#define FDBD_HAS_BUFFERED_IO_WCE 0x04
25#define FDBD_HAS_ASYNC_IO	 0x08
26#define FDBD_FORMAT_UNIT_SIZE	2048
27
28struct fd_dev {
29	struct se_device dev;
30
31	u32		fbd_flags;
32	unsigned char	fd_dev_name[FD_MAX_DEV_NAME];
33	/* Unique Ramdisk Device ID in Ramdisk HBA */
34	u32		fd_dev_id;
35	/* Number of SG tables in sg_table_array */
36	u32		fd_table_count;
37	u32		fd_queue_depth;
38	u32		fd_block_size;
39	unsigned long long fd_dev_size;
40	struct file	*fd_file;
41	struct file	*fd_prot_file;
42	/* FILEIO HBA device is connected to */
43	struct fd_host *fd_host;
44} ____cacheline_aligned;
45
46struct fd_host {
47	u32		fd_host_dev_id_count;
48	/* Unique FILEIO Host ID */
49	u32		fd_host_id;
50} ____cacheline_aligned;
51
52#endif /* TARGET_CORE_FILE_H */