little_endian.h 3.8 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H
  3. #define _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H
  4. #ifndef __LITTLE_ENDIAN
  5. #define __LITTLE_ENDIAN 1234
  6. #endif
  7. #ifndef __LITTLE_ENDIAN_BITFIELD
  8. #define __LITTLE_ENDIAN_BITFIELD
  9. #endif
  10. #include <linux/types.h>
  11. #include <linux/swab.h>
  12. #define __constant_htonl(x) ((__force __be32)___constant_swab32((x)))
  13. #define __constant_ntohl(x) ___constant_swab32((__force __be32)(x))
  14. #define __constant_htons(x) ((__force __be16)___constant_swab16((x)))
  15. #define __constant_ntohs(x) ___constant_swab16((__force __be16)(x))
  16. #define __constant_cpu_to_le64(x) ((__force __le64)(__u64)(x))
  17. #define __constant_le64_to_cpu(x) ((__force __u64)(__le64)(x))
  18. #define __constant_cpu_to_le32(x) ((__force __le32)(__u32)(x))
  19. #define __constant_le32_to_cpu(x) ((__force __u32)(__le32)(x))
  20. #define __constant_cpu_to_le16(x) ((__force __le16)(__u16)(x))
  21. #define __constant_le16_to_cpu(x) ((__force __u16)(__le16)(x))
  22. #define __constant_cpu_to_be64(x) ((__force __be64)___constant_swab64((x)))
  23. #define __constant_be64_to_cpu(x) ___constant_swab64((__force __u64)(__be64)(x))
  24. #define __constant_cpu_to_be32(x) ((__force __be32)___constant_swab32((x)))
  25. #define __constant_be32_to_cpu(x) ___constant_swab32((__force __u32)(__be32)(x))
  26. #define __constant_cpu_to_be16(x) ((__force __be16)___constant_swab16((x)))
  27. #define __constant_be16_to_cpu(x) ___constant_swab16((__force __u16)(__be16)(x))
  28. #define __cpu_to_le64(x) ((__force __le64)(__u64)(x))
  29. #define __le64_to_cpu(x) ((__force __u64)(__le64)(x))
  30. #define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
  31. #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
  32. #define __cpu_to_le16(x) ((__force __le16)(__u16)(x))
  33. #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
  34. #define __cpu_to_be64(x) ((__force __be64)__swab64((x)))
  35. #define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x))
  36. #define __cpu_to_be32(x) ((__force __be32)__swab32((x)))
  37. #define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x))
  38. #define __cpu_to_be16(x) ((__force __be16)__swab16((x)))
  39. #define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
  40. static __always_inline __le64 __cpu_to_le64p(const __u64 *p)
  41. {
  42. return (__force __le64)*p;
  43. }
  44. static __always_inline __u64 __le64_to_cpup(const __le64 *p)
  45. {
  46. return (__force __u64)*p;
  47. }
  48. static __always_inline __le32 __cpu_to_le32p(const __u32 *p)
  49. {
  50. return (__force __le32)*p;
  51. }
  52. static __always_inline __u32 __le32_to_cpup(const __le32 *p)
  53. {
  54. return (__force __u32)*p;
  55. }
  56. static __always_inline __le16 __cpu_to_le16p(const __u16 *p)
  57. {
  58. return (__force __le16)*p;
  59. }
  60. static __always_inline __u16 __le16_to_cpup(const __le16 *p)
  61. {
  62. return (__force __u16)*p;
  63. }
  64. static __always_inline __be64 __cpu_to_be64p(const __u64 *p)
  65. {
  66. return (__force __be64)__swab64p(p);
  67. }
  68. static __always_inline __u64 __be64_to_cpup(const __be64 *p)
  69. {
  70. return __swab64p((__u64 *)p);
  71. }
  72. static __always_inline __be32 __cpu_to_be32p(const __u32 *p)
  73. {
  74. return (__force __be32)__swab32p(p);
  75. }
  76. static __always_inline __u32 __be32_to_cpup(const __be32 *p)
  77. {
  78. return __swab32p((__u32 *)p);
  79. }
  80. static __always_inline __be16 __cpu_to_be16p(const __u16 *p)
  81. {
  82. return (__force __be16)__swab16p(p);
  83. }
  84. static __always_inline __u16 __be16_to_cpup(const __be16 *p)
  85. {
  86. return __swab16p((__u16 *)p);
  87. }
  88. #define __cpu_to_le64s(x) do { (void)(x); } while (0)
  89. #define __le64_to_cpus(x) do { (void)(x); } while (0)
  90. #define __cpu_to_le32s(x) do { (void)(x); } while (0)
  91. #define __le32_to_cpus(x) do { (void)(x); } while (0)
  92. #define __cpu_to_le16s(x) do { (void)(x); } while (0)
  93. #define __le16_to_cpus(x) do { (void)(x); } while (0)
  94. #define __cpu_to_be64s(x) __swab64s((x))
  95. #define __be64_to_cpus(x) __swab64s((x))
  96. #define __cpu_to_be32s(x) __swab32s((x))
  97. #define __be32_to_cpus(x) __swab32s((x))
  98. #define __cpu_to_be16s(x) __swab16s((x))
  99. #define __be16_to_cpus(x) __swab16s((x))
  100. #endif /* _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H */