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
virtio_legacy_is_little_endian(void)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 }
14
__virtio16_to_cpu(bool little_endian,__virtio16 val)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
20 return be16_to_cpu((__force __be16)val);
21 }
22
__cpu_to_virtio16(bool little_endian,u16 val)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
28 return (__force __virtio16)cpu_to_be16(val);
29 }
30
__virtio32_to_cpu(bool little_endian,__virtio32 val)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
36 return be32_to_cpu((__force __be32)val);
37 }
38
__cpu_to_virtio32(bool little_endian,u32 val)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
44 return (__force __virtio32)cpu_to_be32(val);
45 }
46
__virtio64_to_cpu(bool little_endian,__virtio64 val)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
52 return be64_to_cpu((__force __be64)val);
53 }
54
__cpu_to_virtio64(bool little_endian,u64 val)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
60 return (__force __virtio64)cpu_to_be64(val);
61 }
62
63 #endif /* _LINUX_VIRTIO_BYTEORDER */
64