1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Follows implementation found in linux/virtio_byteorder.h
4 */
5#ifndef _LINUX_RPMSG_BYTEORDER_H
6#define _LINUX_RPMSG_BYTEORDER_H
7#include <linux/types.h>
8#include <uapi/linux/rpmsg_types.h>
9
10static inline bool rpmsg_is_little_endian(void)
11{
12#ifdef __LITTLE_ENDIAN
13	return true;
14#else
15	return false;
16#endif
17}
18
19static inline u16 __rpmsg16_to_cpu(bool little_endian, __rpmsg16 val)
20{
21	if (little_endian)
22		return le16_to_cpu((__force __le16)val);
23	else
24		return be16_to_cpu((__force __be16)val);
25}
26
27static inline __rpmsg16 __cpu_to_rpmsg16(bool little_endian, u16 val)
28{
29	if (little_endian)
30		return (__force __rpmsg16)cpu_to_le16(val);
31	else
32		return (__force __rpmsg16)cpu_to_be16(val);
33}
34
35static inline u32 __rpmsg32_to_cpu(bool little_endian, __rpmsg32 val)
36{
37	if (little_endian)
38		return le32_to_cpu((__force __le32)val);
39	else
40		return be32_to_cpu((__force __be32)val);
41}
42
43static inline __rpmsg32 __cpu_to_rpmsg32(bool little_endian, u32 val)
44{
45	if (little_endian)
46		return (__force __rpmsg32)cpu_to_le32(val);
47	else
48		return (__force __rpmsg32)cpu_to_be32(val);
49}
50
51static inline u64 __rpmsg64_to_cpu(bool little_endian, __rpmsg64 val)
52{
53	if (little_endian)
54		return le64_to_cpu((__force __le64)val);
55	else
56		return be64_to_cpu((__force __be64)val);
57}
58
59static inline __rpmsg64 __cpu_to_rpmsg64(bool little_endian, u64 val)
60{
61	if (little_endian)
62		return (__force __rpmsg64)cpu_to_le64(val);
63	else
64		return (__force __rpmsg64)cpu_to_be64(val);
65}
66
67#endif /* _LINUX_RPMSG_BYTEORDER_H */
68