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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 | ||
7d824109 GK |
6 | static inline bool virtio_legacy_is_little_endian(void) |
7 | { | |
8 | #ifdef __LITTLE_ENDIAN | |
9 | return true; | |
10 | #else | |
11 | return false; | |
12 | #endif | |
13 | } | |
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14 | |
15 | static inline u16 __virtio16_to_cpu(bool little_endian, __virtio16 val) | |
16 | { | |
17 | if (little_endian) | |
18 | return le16_to_cpu((__force __le16)val); | |
19 | else | |
7d824109 | 20 | return be16_to_cpu((__force __be16)val); |
eef960a0 MT |
21 | } |
22 | ||
23 | static inline __virtio16 __cpu_to_virtio16(bool little_endian, u16 val) | |
24 | { | |
25 | if (little_endian) | |
26 | return (__force __virtio16)cpu_to_le16(val); | |
27 | else | |
7d824109 | 28 | return (__force __virtio16)cpu_to_be16(val); |
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29 | } |
30 | ||
31 | static inline u32 __virtio32_to_cpu(bool little_endian, __virtio32 val) | |
32 | { | |
33 | if (little_endian) | |
34 | return le32_to_cpu((__force __le32)val); | |
35 | else | |
7d824109 | 36 | return be32_to_cpu((__force __be32)val); |
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37 | } |
38 | ||
39 | static inline __virtio32 __cpu_to_virtio32(bool little_endian, u32 val) | |
40 | { | |
41 | if (little_endian) | |
42 | return (__force __virtio32)cpu_to_le32(val); | |
43 | else | |
7d824109 | 44 | return (__force __virtio32)cpu_to_be32(val); |
eef960a0 MT |
45 | } |
46 | ||
47 | static inline u64 __virtio64_to_cpu(bool little_endian, __virtio64 val) | |
48 | { | |
49 | if (little_endian) | |
50 | return le64_to_cpu((__force __le64)val); | |
51 | else | |
7d824109 | 52 | return be64_to_cpu((__force __be64)val); |
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53 | } |
54 | ||
55 | static inline __virtio64 __cpu_to_virtio64(bool little_endian, u64 val) | |
56 | { | |
57 | if (little_endian) | |
58 | return (__force __virtio64)cpu_to_le64(val); | |
59 | else | |
7d824109 | 60 | return (__force __virtio64)cpu_to_be64(val); |
eef960a0 MT |
61 | } |
62 | ||
63 | #endif /* _LINUX_VIRTIO_BYTEORDER */ |