LXR linux/include/uapi/linux/byteorder/little

   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
   5#ifndef __LITTLE_ENDIAN
   6#define __LITTLE_ENDIAN 1234
   7#endif
   8#ifndef __LITTLE_ENDIAN_BITFIELD
   9#define __LITTLE_ENDIAN_BITFIELD
  10#endif
  11
  12#include <linux/types.h>
  13#include <linux/swab.h>
  14
  15#define __constant_htonl(x) ((__force __be32)___constant_swab32((x)))
  16#define __constant_ntohl(x) ___constant_swab32((__force __be32)(x))
  17#define __constant_htons(x) ((__force __be16)___constant_swab16((x)))
  18#define __constant_ntohs(x) ___constant_swab16((__force __be16)(x))
  19#define __constant_cpu_to_le64(x) ((__force __le64)(__u64)(x))
  20#define __constant_le64_to_cpu(x) ((__force __u64)(__le64)(x))
  21#define __constant_cpu_to_le32(x) ((__force __le32)(__u32)(x))
  22#define __constant_le32_to_cpu(x) ((__force __u32)(__le32)(x))
  23#define __constant_cpu_to_le16(x) ((__force __le16)(__u16)(x))
  24#define __constant_le16_to_cpu(x) ((__force __u16)(__le16)(x))
  25#define __constant_cpu_to_be64(x) ((__force __be64)___constant_swab64((x)))
  26#define __constant_be64_to_cpu(x) ___constant_swab64((__force __u64)(__be64)(x))
  27#define __constant_cpu_to_be32(x) ((__force __be32)___constant_swab32((x)))
  28#define __constant_be32_to_cpu(x) ___constant_swab32((__force __u32)(__be32)(x))
  29#define __constant_cpu_to_be16(x) ((__force __be16)___constant_swab16((x)))
  30#define __constant_be16_to_cpu(x) ___constant_swab16((__force __u16)(__be16)(x))
  31#define __cpu_to_le64(x) ((__force __le64)(__u64)(x))
  32#define __le64_to_cpu(x) ((__force __u64)(__le64)(x))
  33#define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
  34#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
  35#define __cpu_to_le16(x) ((__force __le16)(__u16)(x))
  36#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
  37#define __cpu_to_be64(x) ((__force __be64)__swab64((x)))
  38#define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x))
  39#define __cpu_to_be32(x) ((__force __be32)__swab32((x)))
  40#define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x))
  41#define __cpu_to_be16(x) ((__force __be16)__swab16((x)))
  42#define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
  43
  44static __always_inline __le64 __cpu_to_le64p(const __u64 *p)
  45{
  46        return (__force __le64)*p;
  47}
  48static __always_inline __u64 __le64_to_cpup(const __le64 *p)
  49{
  50        return (__force __u64)*p;
  51}
  52static __always_inline __le32 __cpu_to_le32p(const __u32 *p)
  53{
  54        return (__force __le32)*p;
  55}
  56static __always_inline __u32 __le32_to_cpup(const __le32 *p)
  57{
  58        return (__force __u32)*p;
  59}
  60static __always_inline __le16 __cpu_to_le16p(const __u16 *p)
  61{
  62        return (__force __le16)*p;
  63}
  64static __always_inline __u16 __le16_to_cpup(const __le16 *p)
  65{
  66        return (__force __u16)*p;
  67}
  68static __always_inline __be64 __cpu_to_be64p(const __u64 *p)
  69{
  70        return (__force __be64)__swab64p(p);
  71}
  72static __always_inline __u64 __be64_to_cpup(const __be64 *p)
  73{
  74        return __swab64p((__u64 *)p);
  75}
  76static __always_inline __be32 __cpu_to_be32p(const __u32 *p)
  77{
  78        return (__force __be32)__swab32p(p);
  79}
  80static __always_inline __u32 __be32_to_cpup(const __be32 *p)
  81{
  82        return __swab32p((__u32 *)p);
  83}
  84static __always_inline __be16 __cpu_to_be16p(const __u16 *p)
  85{
  86        return (__force __be16)__swab16p(p);
  87}
  88static __always_inline __u16 __be16_to_cpup(const __be16 *p)
  89{
  90        return __swab16p((__u16 *)p);
  91}
  92#define __cpu_to_le64s(x) do { (void)(x); } while (0)
  93#define __le64_to_cpus(x) do { (void)(x); } while (0)
  94#define __cpu_to_le32s(x) do { (void)(x); } while (0)
  95#define __le32_to_cpus(x) do { (void)(x); } while (0)
  96#define __cpu_to_le16s(x) do { (void)(x); } while (0)
  97#define __le16_to_cpus(x) do { (void)(x); } while (0)
  98#define __cpu_to_be64s(x) __swab64s((x))
  99#define __be64_to_cpus(x) __swab64s((x))
 100#define __cpu_to_be32s(x) __swab32s((x))
 101#define __be32_to_cpus(x) __swab32s((x))
 102#define __cpu_to_be16s(x) __swab16s((x))
 103#define __be16_to_cpus(x) __swab16s((x))
 104
 105
 106#endif /* _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H */
 107