Commit | Line | Data |
---|---|---|
eef960a0 MT |
1 | #ifndef _LINUX_VIRTIO_BYTEORDER_H |
2 | #define _LINUX_VIRTIO_BYTEORDER_H | |
3 | #include <linux/types.h> | |
4 | #include <uapi/linux/virtio_types.h> | |
5 | ||
6 | /* | |
7 | * Low-level memory accessors for handling virtio in modern little endian and in | |
8 | * compatibility native endian format. | |
9 | */ | |
10 | ||
11 | static inline u16 __virtio16_to_cpu(bool little_endian, __virtio16 val) | |
12 | { | |
13 | if (little_endian) | |
14 | return le16_to_cpu((__force __le16)val); | |
15 | else | |
16 | return (__force u16)val; | |
17 | } | |
18 | ||
19 | static inline __virtio16 __cpu_to_virtio16(bool little_endian, u16 val) | |
20 | { | |
21 | if (little_endian) | |
22 | return (__force __virtio16)cpu_to_le16(val); | |
23 | else | |
24 | return (__force __virtio16)val; | |
25 | } | |
26 | ||
27 | static inline u32 __virtio32_to_cpu(bool little_endian, __virtio32 val) | |
28 | { | |
29 | if (little_endian) | |
30 | return le32_to_cpu((__force __le32)val); | |
31 | else | |
32 | return (__force u32)val; | |
33 | } | |
34 | ||
35 | static inline __virtio32 __cpu_to_virtio32(bool little_endian, u32 val) | |
36 | { | |
37 | if (little_endian) | |
38 | return (__force __virtio32)cpu_to_le32(val); | |
39 | else | |
40 | return (__force __virtio32)val; | |
41 | } | |
42 | ||
43 | static inline u64 __virtio64_to_cpu(bool little_endian, __virtio64 val) | |
44 | { | |
45 | if (little_endian) | |
46 | return le64_to_cpu((__force __le64)val); | |
47 | else | |
48 | return (__force u64)val; | |
49 | } | |
50 | ||
51 | static inline __virtio64 __cpu_to_virtio64(bool little_endian, u64 val) | |
52 | { | |
53 | if (little_endian) | |
54 | return (__force __virtio64)cpu_to_le64(val); | |
55 | else | |
56 | return (__force __virtio64)val; | |
57 | } | |
58 | ||
59 | #endif /* _LINUX_VIRTIO_BYTEORDER */ |