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 */
53