LCOV - code coverage report
Current view: top level - include/linux - virtio_byteorder.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 6 0.0 %
Date: 2023-04-06 08:38:28 Functions: 0 2 0.0 %

          Line data    Source code
       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             : 
       7             : static 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             : 
      16             : static 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             : 
      24             : static 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             : 
      32             : static 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             : 
      40             : static 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             : 
      48           0 : static inline u64 __virtio64_to_cpu(bool little_endian, __virtio64 val)
      49             : {
      50           0 :         if (little_endian)
      51             :                 return le64_to_cpu((__force __le64)val);
      52             :         else
      53           0 :                 return be64_to_cpu((__force __be64)val);
      54             : }
      55             : 
      56           0 : static inline __virtio64 __cpu_to_virtio64(bool little_endian, u64 val)
      57             : {
      58           0 :         if (little_endian)
      59             :                 return (__force __virtio64)cpu_to_le64(val);
      60             :         else
      61           0 :                 return (__force __virtio64)cpu_to_be64(val);
      62             : }
      63             : 
      64             : #endif /* _LINUX_VIRTIO_BYTEORDER */

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