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