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/* Maximum queuedepth for the FILEIO HBA */
8#define FD_HBA_QUEUE_DEPTH 256
9#define FD_DEVICE_QUEUE_DEPTH 32
10#define FD_MAX_DEVICE_QUEUE_DEPTH 128
11#define FD_BLOCKSIZE 512
12#define FD_MAX_SECTORS 1024
13
14#define RRF_EMULATE_CDB 0x01
15#define RRF_GOT_LBA 0x02
16
17struct fd_request {
18 struct se_task fd_task;
19 /* SCSI CDB from iSCSI Command PDU */
20 unsigned char fd_scsi_cdb[TCM_MAX_COMMAND_SIZE];
21 /* FILEIO device */
22 struct fd_dev *fd_dev;
23} ____cacheline_aligned;
24
25#define FBDF_HAS_PATH 0x01
26#define FBDF_HAS_SIZE 0x02
27#define FDBD_USE_BUFFERED_IO 0x04
28
29struct fd_dev {
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 /* 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 */