/include/linux/unaligned/packed_struct.h

 1#ifndef _LINUX_UNALIGNED_PACKED_STRUCT_H
 2#define _LINUX_UNALIGNED_PACKED_STRUCT_H
 3
 4#include <linux/kernel.h>
 5
 6struct __una_u16 { u16 x __attribute__((packed)); };
 7struct __una_u32 { u32 x __attribute__((packed)); };
 8struct __una_u64 { u64 x __attribute__((packed)); };
 9
10static inline u16 __get_unaligned_cpu16(const void *p)
11{
12	const struct __una_u16 *ptr = (const struct __una_u16 *)p;
13	return ptr->x;
14}
15
16static inline u32 __get_unaligned_cpu32(const void *p)
17{
18	const struct __una_u32 *ptr = (const struct __una_u32 *)p;
19	return ptr->x;
20}
21
22static inline u64 __get_unaligned_cpu64(const void *p)
23{
24	const struct __una_u64 *ptr = (const struct __una_u64 *)p;
25	return ptr->x;
26}
27
28static inline void __put_unaligned_cpu16(u16 val, void *p)
29{
30	struct __una_u16 *ptr = (struct __una_u16 *)p;
31	ptr->x = val;
32}
33
34static inline void __put_unaligned_cpu32(u32 val, void *p)
35{
36	struct __una_u32 *ptr = (struct __una_u32 *)p;
37	ptr->x = val;
38}
39
40static inline void __put_unaligned_cpu64(u64 val, void *p)
41{
42	struct __una_u64 *ptr = (struct __una_u64 *)p;
43	ptr->x = val;
44}
45
46#endif /* _LINUX_UNALIGNED_PACKED_STRUCT_H */