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