xref: /linux/drivers/target/target_core_file.h (revision 95e9fd10f06cb5642028b6b851e32b8c8afb4571)
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_DEVICE_QUEUE_DEPTH	32
8 #define FD_MAX_DEVICE_QUEUE_DEPTH 128
9 #define FD_BLOCKSIZE		512
10 #define FD_MAX_SECTORS		1024
11 
12 #define RRF_EMULATE_CDB		0x01
13 #define RRF_GOT_LBA		0x02
14 
15 #define FBDF_HAS_PATH		0x01
16 #define FBDF_HAS_SIZE		0x02
17 
18 struct fd_dev {
19 	u32		fbd_flags;
20 	unsigned char	fd_dev_name[FD_MAX_DEV_NAME];
21 	/* Unique Ramdisk Device ID in Ramdisk HBA */
22 	u32		fd_dev_id;
23 	/* Number of SG tables in sg_table_array */
24 	u32		fd_table_count;
25 	u32		fd_queue_depth;
26 	u32		fd_block_size;
27 	unsigned long long fd_dev_size;
28 	struct file	*fd_file;
29 	/* FILEIO HBA device is connected to */
30 	struct fd_host *fd_host;
31 } ____cacheline_aligned;
32 
33 struct fd_host {
34 	u32		fd_host_dev_id_count;
35 	/* Unique FILEIO Host ID */
36 	u32		fd_host_id;
37 } ____cacheline_aligned;
38 
39 #endif /* TARGET_CORE_FILE_H */
40