byteorder.h (1530B)
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 */