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 | |
28 | struct 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 | |
46 | struct 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 | |