target_core_file.h 1.2 KB

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  1. #ifndef TARGET_CORE_FILE_H
  2. #define TARGET_CORE_FILE_H
  3. #define FD_VERSION "4.0"
  4. #define FD_MAX_DEV_NAME 256
  5. /* Maximum queuedepth for the FILEIO HBA */
  6. #define FD_HBA_QUEUE_DEPTH 256
  7. #define FD_DEVICE_QUEUE_DEPTH 32
  8. #define FD_MAX_DEVICE_QUEUE_DEPTH 128
  9. #define FD_BLOCKSIZE 512
  10. #define FD_MAX_SECTORS 1024
  11. #define RRF_EMULATE_CDB 0x01
  12. #define RRF_GOT_LBA 0x02
  13. struct fd_request {
  14. struct se_task fd_task;
  15. /* SCSI CDB from iSCSI Command PDU */
  16. unsigned char fd_scsi_cdb[TCM_MAX_COMMAND_SIZE];
  17. /* FILEIO device */
  18. struct fd_dev *fd_dev;
  19. } ____cacheline_aligned;
  20. #define FBDF_HAS_PATH 0x01
  21. #define FBDF_HAS_SIZE 0x02
  22. #define FDBD_USE_BUFFERED_IO 0x04
  23. struct fd_dev {
  24. u32 fbd_flags;
  25. unsigned char fd_dev_name[FD_MAX_DEV_NAME];
  26. /* Unique Ramdisk Device ID in Ramdisk HBA */
  27. u32 fd_dev_id;
  28. /* Number of SG tables in sg_table_array */
  29. u32 fd_table_count;
  30. u32 fd_queue_depth;
  31. u32 fd_block_size;
  32. unsigned long long fd_dev_size;
  33. struct file *fd_file;
  34. /* FILEIO HBA device is connected to */
  35. struct fd_host *fd_host;
  36. } ____cacheline_aligned;
  37. struct fd_host {
  38. u32 fd_host_dev_id_count;
  39. /* Unique FILEIO Host ID */
  40. u32 fd_host_id;
  41. } ____cacheline_aligned;
  42. #endif /* TARGET_CORE_FILE_H */