net/mlx5e: Support XDP over Striding RQ
[sfrench/cifs-2.6.git] / drivers / target / 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_FORMAT_UNIT_SIZE   2048
26
27 struct fd_dev {
28         struct se_device dev;
29
30         u32             fbd_flags;
31         unsigned char   fd_dev_name[FD_MAX_DEV_NAME];
32         /* Unique Ramdisk Device ID in Ramdisk HBA */
33         u32             fd_dev_id;
34         /* Number of SG tables in sg_table_array */
35         u32             fd_table_count;
36         u32             fd_queue_depth;
37         u32             fd_block_size;
38         unsigned long long fd_dev_size;
39         struct file     *fd_file;
40         struct file     *fd_prot_file;
41         /* FILEIO HBA device is connected to */
42         struct fd_host *fd_host;
43 } ____cacheline_aligned;
44
45 struct fd_host {
46         u32             fd_host_dev_id_count;
47         /* Unique FILEIO Host ID */
48         u32             fd_host_id;
49 } ____cacheline_aligned;
50
51 #endif /* TARGET_CORE_FILE_H */