virtio_byteorder.h (1491B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _LINUX_VIRTIO_BYTEORDER_H 3#define _LINUX_VIRTIO_BYTEORDER_H 4#include <linux/types.h> 5#include <uapi/linux/virtio_types.h> 6 7static inline bool virtio_legacy_is_little_endian(void) 8{ 9#ifdef __LITTLE_ENDIAN 10 return true; 11#else 12 return false; 13#endif 14} 15 16static inline u16 __virtio16_to_cpu(bool little_endian, __virtio16 val) 17{ 18 if (little_endian) 19 return le16_to_cpu((__force __le16)val); 20 else 21 return be16_to_cpu((__force __be16)val); 22} 23 24static inline __virtio16 __cpu_to_virtio16(bool little_endian, u16 val) 25{ 26 if (little_endian) 27 return (__force __virtio16)cpu_to_le16(val); 28 else 29 return (__force __virtio16)cpu_to_be16(val); 30} 31 32static inline u32 __virtio32_to_cpu(bool little_endian, __virtio32 val) 33{ 34 if (little_endian) 35 return le32_to_cpu((__force __le32)val); 36 else 37 return be32_to_cpu((__force __be32)val); 38} 39 40static inline __virtio32 __cpu_to_virtio32(bool little_endian, u32 val) 41{ 42 if (little_endian) 43 return (__force __virtio32)cpu_to_le32(val); 44 else 45 return (__force __virtio32)cpu_to_be32(val); 46} 47 48static inline u64 __virtio64_to_cpu(bool little_endian, __virtio64 val) 49{ 50 if (little_endian) 51 return le64_to_cpu((__force __le64)val); 52 else 53 return be64_to_cpu((__force __be64)val); 54} 55 56static inline __virtio64 __cpu_to_virtio64(bool little_endian, u64 val) 57{ 58 if (little_endian) 59 return (__force __virtio64)cpu_to_le64(val); 60 else 61 return (__force __virtio64)cpu_to_be64(val); 62} 63 64#endif /* _LINUX_VIRTIO_BYTEORDER */