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 | |
10 | static inline bool rpmsg_is_little_endian(void) |
11 | { |
12 | #ifdef __LITTLE_ENDIAN |
13 | return true; |
14 | #else |
15 | return false; |
16 | #endif |
17 | } |
18 | |
19 | static 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 | |
27 | static 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 | |
35 | static 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 | |
43 | static 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 | |
51 | static 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 | |
59 | static 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 |