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