1 #ifndef TARGET_CORE_FILE_H 2 #define TARGET_CORE_FILE_H 3 4 #include <target/target_core_base.h> 5 6 #define FD_VERSION "4.0" 7 8 #define FD_MAX_DEV_NAME 256 9 #define FD_MAX_DEV_PROT_NAME FD_MAX_DEV_NAME + 16 10 #define FD_DEVICE_QUEUE_DEPTH 32 11 #define FD_MAX_DEVICE_QUEUE_DEPTH 128 12 #define FD_BLOCKSIZE 512 13 /* 14 * Limited by the number of iovecs (2048) per vfs_[writev,readv] call 15 */ 16 #define FD_MAX_BYTES 8388608 17 18 #define RRF_EMULATE_CDB 0x01 19 #define RRF_GOT_LBA 0x02 20 21 #define FBDF_HAS_PATH 0x01 22 #define FBDF_HAS_SIZE 0x02 23 #define FDBD_HAS_BUFFERED_IO_WCE 0x04 24 #define FDBD_FORMAT_UNIT_SIZE 2048 25 26 struct fd_dev { 27 struct se_device dev; 28 29 u32 fbd_flags; 30 unsigned char fd_dev_name[FD_MAX_DEV_NAME]; 31 /* Unique Ramdisk Device ID in Ramdisk HBA */ 32 u32 fd_dev_id; 33 /* Number of SG tables in sg_table_array */ 34 u32 fd_table_count; 35 u32 fd_queue_depth; 36 u32 fd_block_size; 37 unsigned long long fd_dev_size; 38 struct file *fd_file; 39 struct file *fd_prot_file; 40 /* FILEIO HBA device is connected to */ 41 struct fd_host *fd_host; 42 } ____cacheline_aligned; 43 44 struct 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 */ 51