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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef _LINUX_VIRTIO_BYTEORDER_H |
3 | #define _LINUX_VIRTIO_BYTEORDER_H | |
4 | #include <linux/types.h> | |
5 | #include <uapi/linux/virtio_types.h> | |
6 | ||
7d824109 GK |
7 | static inline bool virtio_legacy_is_little_endian(void) |
8 | { | |
9 | #ifdef __LITTLE_ENDIAN | |
10 | return true; | |
11 | #else | |
12 | return false; | |
13 | #endif | |
14 | } | |
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15 | |
16 | static inline u16 __virtio16_to_cpu(bool little_endian, __virtio16 val) | |
17 | { | |
18 | if (little_endian) | |
19 | return le16_to_cpu((__force __le16)val); | |
20 | else | |
7d824109 | 21 | return be16_to_cpu((__force __be16)val); |
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22 | } |
23 | ||
24 | static inline __virtio16 __cpu_to_virtio16(bool little_endian, u16 val) | |
25 | { | |
26 | if (little_endian) | |
27 | return (__force __virtio16)cpu_to_le16(val); | |
28 | else | |
7d824109 | 29 | return (__force __virtio16)cpu_to_be16(val); |
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30 | } |
31 | ||
32 | static inline u32 __virtio32_to_cpu(bool little_endian, __virtio32 val) | |
33 | { | |
34 | if (little_endian) | |
35 | return le32_to_cpu((__force __le32)val); | |
36 | else | |
7d824109 | 37 | return be32_to_cpu((__force __be32)val); |
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38 | } |
39 | ||
40 | static inline __virtio32 __cpu_to_virtio32(bool little_endian, u32 val) | |
41 | { | |
42 | if (little_endian) | |
43 | return (__force __virtio32)cpu_to_le32(val); | |
44 | else | |
7d824109 | 45 | return (__force __virtio32)cpu_to_be32(val); |
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46 | } |
47 | ||
48 | static inline u64 __virtio64_to_cpu(bool little_endian, __virtio64 val) | |
49 | { | |
50 | if (little_endian) | |
51 | return le64_to_cpu((__force __le64)val); | |
52 | else | |
7d824109 | 53 | return be64_to_cpu((__force __be64)val); |
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54 | } |
55 | ||
56 | static inline __virtio64 __cpu_to_virtio64(bool little_endian, u64 val) | |
57 | { | |
58 | if (little_endian) | |
59 | return (__force __virtio64)cpu_to_le64(val); | |
60 | else | |
7d824109 | 61 | return (__force __virtio64)cpu_to_be64(val); |
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62 | } |
63 | ||
64 | #endif /* _LINUX_VIRTIO_BYTEORDER */ |