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 /* Maximum queuedepth for the FILEIO HBA */ 8 #define FD_HBA_QUEUE_DEPTH 256 9 #define FD_DEVICE_QUEUE_DEPTH 32 10 #define FD_MAX_DEVICE_QUEUE_DEPTH 128 11 #define FD_BLOCKSIZE 512 12 #define FD_MAX_SECTORS 1024 13 14 #define RRF_EMULATE_CDB 0x01 15 #define RRF_GOT_LBA 0x02 16 17 struct fd_request { 18 struct se_task fd_task; 19 /* SCSI CDB from iSCSI Command PDU */ 20 unsigned char fd_scsi_cdb[TCM_MAX_COMMAND_SIZE]; 21 /* FILEIO device */ 22 struct fd_dev *fd_dev; 23 } ____cacheline_aligned; 24 25 #define FBDF_HAS_PATH 0x01 26 #define FBDF_HAS_SIZE 0x02 27 #define FDBD_USE_BUFFERED_IO 0x04 28 29 struct fd_dev { 30 u32 fbd_flags; 31 unsigned char fd_dev_name[FD_MAX_DEV_NAME]; 32 /* Unique Ramdisk Device ID in Ramdisk HBA */ 33 u32 fd_dev_id; 34 /* Number of SG tables in sg_table_array */ 35 u32 fd_table_count; 36 u32 fd_queue_depth; 37 u32 fd_block_size; 38 unsigned long long fd_dev_size; 39 struct file *fd_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