linux/unaligned/packed_struct.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _LINUX_UNALIGNED_PACKED_STRUCT_H
0003 #define _LINUX_UNALIGNED_PACKED_STRUCT_H
0004
0005 #include <linux/kernel.h>
0006
0007 struct __una_u16 { u16 x; } __packed;
0008 struct __una_u32 { u32 x; } __packed;
0009 struct __una_u64 { u64 x; } __packed;
0010
0011 static inline u16 __get_unaligned_cpu16(const void *p)
0012 {
0013     const struct __una_u16 *ptr = (const struct __una_u16 *)p;
0014     return ptr->x;
0015 }
0016
0017 static inline u32 __get_unaligned_cpu32(const void *p)
0018 {
0019     const struct __una_u32 *ptr = (const struct __una_u32 *)p;
0020     return ptr->x;
0021 }
0022
0023 static inline u64 __get_unaligned_cpu64(const void *p)
0024 {
0025     const struct __una_u64 *ptr = (const struct __una_u64 *)p;
0026     return ptr->x;
0027 }
0028
0029 static inline void __put_unaligned_cpu16(u16 val, void *p)
0030 {
0031     struct __una_u16 *ptr = (struct __una_u16 *)p;
0032     ptr->x = val;
0033 }
0034
0035 static inline void __put_unaligned_cpu32(u32 val, void *p)
0036 {
0037     struct __una_u32 *ptr = (struct __una_u32 *)p;
0038     ptr->x = val;
0039 }
0040
0041 static inline void __put_unaligned_cpu64(u64 val, void *p)
0042 {
0043     struct __una_u64 *ptr = (struct __una_u64 *)p;
0044     ptr->x = val;
0045 }
0046
0047 #endif /* _LINUX_UNALIGNED_PACKED_STRUCT_H */