target_core_file.h 1.1 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546
  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. #define FD_DEVICE_QUEUE_DEPTH 32
  6. #define FD_MAX_DEVICE_QUEUE_DEPTH 128
  7. #define FD_BLOCKSIZE 512
  8. #define FD_MAX_SECTORS 1024
  9. #define RRF_EMULATE_CDB 0x01
  10. #define RRF_GOT_LBA 0x02
  11. struct fd_request {
  12. struct se_task fd_task;
  13. /* SCSI CDB from iSCSI Command PDU */
  14. unsigned char fd_scsi_cdb[TCM_MAX_COMMAND_SIZE];
  15. } ____cacheline_aligned;
  16. #define FBDF_HAS_PATH 0x01
  17. #define FBDF_HAS_SIZE 0x02
  18. #define FDBD_USE_BUFFERED_IO 0x04
  19. struct fd_dev {
  20. u32 fbd_flags;
  21. unsigned char fd_dev_name[FD_MAX_DEV_NAME];
  22. /* Unique Ramdisk Device ID in Ramdisk HBA */
  23. u32 fd_dev_id;
  24. /* Number of SG tables in sg_table_array */
  25. u32 fd_table_count;
  26. u32 fd_queue_depth;
  27. u32 fd_block_size;
  28. unsigned long long fd_dev_size;
  29. struct file *fd_file;
  30. /* FILEIO HBA device is connected to */
  31. struct fd_host *fd_host;
  32. } ____cacheline_aligned;
  33. struct fd_host {
  34. u32 fd_host_dev_id_count;
  35. /* Unique FILEIO Host ID */
  36. u32 fd_host_id;
  37. } ____cacheline_aligned;
  38. #endif /* TARGET_CORE_FILE_H */