1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2c66ac9dbSNicholas Bellinger #ifndef TARGET_CORE_FILE_H 3c66ac9dbSNicholas Bellinger #define TARGET_CORE_FILE_H 4c66ac9dbSNicholas Bellinger 58dcf07beSBart Van Assche #include <target/target_core_base.h> 68dcf07beSBart Van Assche 7c66ac9dbSNicholas Bellinger #define FD_VERSION "4.0" 8c66ac9dbSNicholas Bellinger 9c66ac9dbSNicholas Bellinger #define FD_MAX_DEV_NAME 256 100f5e2ec4SNicholas Bellinger #define FD_MAX_DEV_PROT_NAME FD_MAX_DEV_NAME + 16 11c66ac9dbSNicholas Bellinger #define FD_DEVICE_QUEUE_DEPTH 32 12c66ac9dbSNicholas Bellinger #define FD_MAX_DEVICE_QUEUE_DEPTH 128 13c66ac9dbSNicholas Bellinger #define FD_BLOCKSIZE 512 1495cadaceSNicholas Bellinger /* 1595cadaceSNicholas Bellinger * Limited by the number of iovecs (2048) per vfs_[writev,readv] call 1695cadaceSNicholas Bellinger */ 1795cadaceSNicholas Bellinger #define FD_MAX_BYTES 8388608 18c66ac9dbSNicholas Bellinger 19c66ac9dbSNicholas Bellinger #define RRF_EMULATE_CDB 0x01 20c66ac9dbSNicholas Bellinger #define RRF_GOT_LBA 0x02 21c66ac9dbSNicholas Bellinger 22c66ac9dbSNicholas Bellinger #define FBDF_HAS_PATH 0x01 23c66ac9dbSNicholas Bellinger #define FBDF_HAS_SIZE 0x02 24b32f4c7eSNicholas Bellinger #define FDBD_HAS_BUFFERED_IO_WCE 0x04 25769031c9SAndrei Vagin #define FDBD_HAS_ASYNC_IO 0x08 260f5e2ec4SNicholas Bellinger #define FDBD_FORMAT_UNIT_SIZE 2048 270f5e2ec4SNicholas Bellinger 28c66ac9dbSNicholas Bellinger struct fd_dev { 290fd97ccfSChristoph Hellwig struct se_device dev; 300fd97ccfSChristoph Hellwig 31c66ac9dbSNicholas Bellinger u32 fbd_flags; 32c66ac9dbSNicholas Bellinger unsigned char fd_dev_name[FD_MAX_DEV_NAME]; 33c66ac9dbSNicholas Bellinger /* Unique Ramdisk Device ID in Ramdisk HBA */ 34c66ac9dbSNicholas Bellinger u32 fd_dev_id; 35c66ac9dbSNicholas Bellinger /* Number of SG tables in sg_table_array */ 36c66ac9dbSNicholas Bellinger u32 fd_table_count; 37c66ac9dbSNicholas Bellinger u32 fd_queue_depth; 38c66ac9dbSNicholas Bellinger u32 fd_block_size; 39c66ac9dbSNicholas Bellinger unsigned long long fd_dev_size; 40c66ac9dbSNicholas Bellinger struct file *fd_file; 410f5e2ec4SNicholas Bellinger struct file *fd_prot_file; 42c66ac9dbSNicholas Bellinger /* FILEIO HBA device is connected to */ 43c66ac9dbSNicholas Bellinger struct fd_host *fd_host; 44c66ac9dbSNicholas Bellinger } ____cacheline_aligned; 45c66ac9dbSNicholas Bellinger 46c66ac9dbSNicholas Bellinger struct fd_host { 47c66ac9dbSNicholas Bellinger u32 fd_host_dev_id_count; 48c66ac9dbSNicholas Bellinger /* Unique FILEIO Host ID */ 49c66ac9dbSNicholas Bellinger u32 fd_host_id; 50c66ac9dbSNicholas Bellinger } ____cacheline_aligned; 51c66ac9dbSNicholas Bellinger 52c66ac9dbSNicholas Bellinger #endif /* TARGET_CORE_FILE_H */ 53