Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame^] | 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 */ |