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 /* 11 * Limited by the number of iovecs (2048) per vfs_[writev,readv] call 12 */ 13 #define FD_MAX_BYTES 8388608 14 15 #define RRF_EMULATE_CDB 0x01 16 #define RRF_GOT_LBA 0x02 17 18 #define FBDF_HAS_PATH 0x01 19 #define FBDF_HAS_SIZE 0x02 20 #define FDBD_HAS_BUFFERED_IO_WCE 0x04 21 22 struct fd_dev { 23 struct se_device dev; 24 25 u32 fbd_flags; 26 unsigned char fd_dev_name[FD_MAX_DEV_NAME]; 27 /* Unique Ramdisk Device ID in Ramdisk HBA */ 28 u32 fd_dev_id; 29 /* Number of SG tables in sg_table_array */ 30 u32 fd_table_count; 31 u32 fd_queue_depth; 32 u32 fd_block_size; 33 unsigned long long fd_dev_size; 34 struct file *fd_file; 35 /* FILEIO HBA device is connected to */ 36 struct fd_host *fd_host; 37 } ____cacheline_aligned; 38 39 struct fd_host { 40 u32 fd_host_dev_id_count; 41 /* Unique FILEIO Host ID */ 42 u32 fd_host_id; 43 } ____cacheline_aligned; 44 45 #endif /* TARGET_CORE_FILE_H */ 46