xref: /linux/tools/include/linux/unaligned/packed_struct.h (revision 71e2f4dd5a65bd8dbca0b77661e75eea471168f8)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_UNALIGNED_PACKED_STRUCT_H
3 #define _LINUX_UNALIGNED_PACKED_STRUCT_H
4 
5 #include <linux/kernel.h>
6 
7 struct __una_u16 { u16 x; } __packed;
8 struct __una_u32 { u32 x; } __packed;
9 struct __una_u64 { u64 x; } __packed;
10 
11 static inline u16 __get_unaligned_cpu16(const void *p)
12 {
13 	const struct __una_u16 *ptr = (const struct __una_u16 *)p;
14 	return ptr->x;
15 }
16 
17 static inline u32 __get_unaligned_cpu32(const void *p)
18 {
19 	const struct __una_u32 *ptr = (const struct __una_u32 *)p;
20 	return ptr->x;
21 }
22 
23 static inline u64 __get_unaligned_cpu64(const void *p)
24 {
25 	const struct __una_u64 *ptr = (const struct __una_u64 *)p;
26 	return ptr->x;
27 }
28 
29 static inline void __put_unaligned_cpu16(u16 val, void *p)
30 {
31 	struct __una_u16 *ptr = (struct __una_u16 *)p;
32 	ptr->x = val;
33 }
34 
35 static inline void __put_unaligned_cpu32(u32 val, void *p)
36 {
37 	struct __una_u32 *ptr = (struct __una_u32 *)p;
38 	ptr->x = val;
39 }
40 
41 static inline void __put_unaligned_cpu64(u64 val, void *p)
42 {
43 	struct __una_u64 *ptr = (struct __una_u64 *)p;
44 	ptr->x = val;
45 }
46 
47 #endif /* _LINUX_UNALIGNED_PACKED_STRUCT_H */
48