1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _LINUX_BYTEORDER_LITTLE_ENDIAN_H
3#define _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/stddef.h>
13#include <linux/types.h>
14#include <linux/swab.h>
15
16#define __constant_htonl(x) ((__be32)___constant_swab32((x)))
17#define __constant_ntohl(x) ___constant_swab32((__be32)(x))
18#define __constant_htons(x) ((__be16)___constant_swab16((x)))
19#define __constant_ntohs(x) ___constant_swab16((__be16)(x))
20#define __constant_cpu_to_le64(x) ((__le64)(__u64)(x))
21#define __constant_le64_to_cpu(x) ((__u64)(__le64)(x))
22#define __constant_cpu_to_le32(x) ((__le32)(__u32)(x))
23#define __constant_le32_to_cpu(x) ((__u32)(__le32)(x))
24#define __constant_cpu_to_le16(x) ((__le16)(__u16)(x))
25#define __constant_le16_to_cpu(x) ((__u16)(__le16)(x))
26#define __constant_cpu_to_be64(x) ((__be64)___constant_swab64((x)))
27#define __constant_be64_to_cpu(x) ___constant_swab64((__u64)(__be64)(x))
28#define __constant_cpu_to_be32(x) ((__be32)___constant_swab32((x)))
29#define __constant_be32_to_cpu(x) ___constant_swab32((__u32)(__be32)(x))
30#define __constant_cpu_to_be16(x) ((__be16)___constant_swab16((x)))
31#define __constant_be16_to_cpu(x) ___constant_swab16((__u16)(__be16)(x))
32#define __cpu_to_le64(x) ((__le64)(__u64)(x))
33#define __le64_to_cpu(x) ((__u64)(__le64)(x))
34#define __cpu_to_le32(x) ((__le32)(__u32)(x))
35#define __le32_to_cpu(x) ((__u32)(__le32)(x))
36#define __cpu_to_le16(x) ((__le16)(__u16)(x))
37#define __le16_to_cpu(x) ((__u16)(__le16)(x))
38#define __cpu_to_be64(x) ((__be64)__swab64((x)))
39#define __be64_to_cpu(x) __swab64((__u64)(__be64)(x))
40#define __cpu_to_be32(x) ((__be32)__swab32((x)))
41#define __be32_to_cpu(x) __swab32((__u32)(__be32)(x))
42#define __cpu_to_be16(x) ((__be16)__swab16((x)))
43#define __be16_to_cpu(x) __swab16((__u16)(__be16)(x))
44
45static __always_inline __le64 __cpu_to_le64p(const __u64 *p)
46{
47 return (__le64)*p;
48}
49static __always_inline __u64 __le64_to_cpup(const __le64 *p)
50{
51 return (__u64)*p;
52}
53static __always_inline __le32 __cpu_to_le32p(const __u32 *p)
54{
55 return (__le32)*p;
56}
57static __always_inline __u32 __le32_to_cpup(const __le32 *p)
58{
59 return (__u32)*p;
60}
61static __always_inline __le16 __cpu_to_le16p(const __u16 *p)
62{
63 return (__le16)*p;
64}
65static __always_inline __u16 __le16_to_cpup(const __le16 *p)
66{
67 return (__u16)*p;
68}
69static __always_inline __be64 __cpu_to_be64p(const __u64 *p)
70{
71 return (__be64)__swab64p(p);
72}
73static __always_inline __u64 __be64_to_cpup(const __be64 *p)
74{
75 return __swab64p(p: (__u64 *)p);
76}
77static __always_inline __be32 __cpu_to_be32p(const __u32 *p)
78{
79 return (__be32)__swab32p(p);
80}
81static __always_inline __u32 __be32_to_cpup(const __be32 *p)
82{
83 return __swab32p(p: (__u32 *)p);
84}
85static __always_inline __be16 __cpu_to_be16p(const __u16 *p)
86{
87 return (__be16)__swab16p(p);
88}
89static __always_inline __u16 __be16_to_cpup(const __be16 *p)
90{
91 return __swab16p(p: (__u16 *)p);
92}
93#define __cpu_to_le64s(x) do { (void)(x); } while (0)
94#define __le64_to_cpus(x) do { (void)(x); } while (0)
95#define __cpu_to_le32s(x) do { (void)(x); } while (0)
96#define __le32_to_cpus(x) do { (void)(x); } while (0)
97#define __cpu_to_le16s(x) do { (void)(x); } while (0)
98#define __le16_to_cpus(x) do { (void)(x); } while (0)
99#define __cpu_to_be64s(x) __swab64s((x))
100#define __be64_to_cpus(x) __swab64s((x))
101#define __cpu_to_be32s(x) __swab32s((x))
102#define __be32_to_cpus(x) __swab32s((x))
103#define __cpu_to_be16s(x) __swab16s((x))
104#define __be16_to_cpus(x) __swab16s((x))
105
106
107#endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */
108

source code of include/linux/byteorder/little_endian.h