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 
rpmsg_is_little_endian(void)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 
__rpmsg16_to_cpu(bool little_endian,__rpmsg16 val)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 
__cpu_to_rpmsg16(bool little_endian,u16 val)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 
__rpmsg32_to_cpu(bool little_endian,__rpmsg32 val)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 
__cpu_to_rpmsg32(bool little_endian,u32 val)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 
__rpmsg64_to_cpu(bool little_endian,__rpmsg64 val)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 
__cpu_to_rpmsg64(bool little_endian,u64 val)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