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
11static 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
19static 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
27static 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
35static 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
43static 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
51static 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 */
60