cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

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 */