udfend.h 1.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __UDF_ENDIAN_H
  3. #define __UDF_ENDIAN_H
  4. #include <asm/byteorder.h>
  5. #include <linux/string.h>
  6. static inline struct kernel_lb_addr lelb_to_cpu(struct lb_addr in)
  7. {
  8. struct kernel_lb_addr out;
  9. out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum);
  10. out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum);
  11. return out;
  12. }
  13. static inline struct lb_addr cpu_to_lelb(struct kernel_lb_addr in)
  14. {
  15. struct lb_addr out;
  16. out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum);
  17. out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum);
  18. return out;
  19. }
  20. static inline struct short_ad lesa_to_cpu(struct short_ad in)
  21. {
  22. struct short_ad out;
  23. out.extLength = le32_to_cpu(in.extLength);
  24. out.extPosition = le32_to_cpu(in.extPosition);
  25. return out;
  26. }
  27. static inline struct short_ad cpu_to_lesa(struct short_ad in)
  28. {
  29. struct short_ad out;
  30. out.extLength = cpu_to_le32(in.extLength);
  31. out.extPosition = cpu_to_le32(in.extPosition);
  32. return out;
  33. }
  34. static inline struct kernel_long_ad lela_to_cpu(struct long_ad in)
  35. {
  36. struct kernel_long_ad out;
  37. out.extLength = le32_to_cpu(in.extLength);
  38. out.extLocation = lelb_to_cpu(in.extLocation);
  39. return out;
  40. }
  41. static inline struct long_ad cpu_to_lela(struct kernel_long_ad in)
  42. {
  43. struct long_ad out;
  44. out.extLength = cpu_to_le32(in.extLength);
  45. out.extLocation = cpu_to_lelb(in.extLocation);
  46. return out;
  47. }
  48. static inline struct kernel_extent_ad leea_to_cpu(struct extent_ad in)
  49. {
  50. struct kernel_extent_ad out;
  51. out.extLength = le32_to_cpu(in.extLength);
  52. out.extLocation = le32_to_cpu(in.extLocation);
  53. return out;
  54. }
  55. #endif /* __UDF_ENDIAN_H */