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 
24 struct 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 
42 struct 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 */
49