packed_struct.h 1.0 KB

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  1. #ifndef _LINUX_UNALIGNED_PACKED_STRUCT_H
  2. #define _LINUX_UNALIGNED_PACKED_STRUCT_H
  3. #include <linux/kernel.h>
  4. struct __una_u16 { u16 x; } __packed;
  5. struct __una_u32 { u32 x; } __packed;
  6. struct __una_u64 { u64 x; } __packed;
  7. static inline u16 __get_unaligned_cpu16(const void *p)
  8. {
  9. const struct __una_u16 *ptr = (const struct __una_u16 *)p;
  10. return ptr->x;
  11. }
  12. static inline u32 __get_unaligned_cpu32(const void *p)
  13. {
  14. const struct __una_u32 *ptr = (const struct __una_u32 *)p;
  15. return ptr->x;
  16. }
  17. static inline u64 __get_unaligned_cpu64(const void *p)
  18. {
  19. const struct __una_u64 *ptr = (const struct __una_u64 *)p;
  20. return ptr->x;
  21. }
  22. static inline void __put_unaligned_cpu16(u16 val, void *p)
  23. {
  24. struct __una_u16 *ptr = (struct __una_u16 *)p;
  25. ptr->x = val;
  26. }
  27. static inline void __put_unaligned_cpu32(u32 val, void *p)
  28. {
  29. struct __una_u32 *ptr = (struct __una_u32 *)p;
  30. ptr->x = val;
  31. }
  32. static inline void __put_unaligned_cpu64(u64 val, void *p)
  33. {
  34. struct __una_u64 *ptr = (struct __una_u64 *)p;
  35. ptr->x = val;
  36. }
  37. #endif /* _LINUX_UNALIGNED_PACKED_STRUCT_H */