vringh: introduce vringh_is_little_endian() helper
Signed-off-by: Greg Kurz <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Acked-by: Cornelia Huck <[email protected]>
Reviewed-by: David Gibson <[email protected]>
diff --git a/include/linux/vringh.h b/include/linux/vringh.h
index a3fa537..3ed62ef 100644
--- a/include/linux/vringh.h
+++ b/include/linux/vringh.h
@@ -226,33 +226,38 @@
vrh->notify(vrh);
}
+static inline bool vringh_is_little_endian(const struct vringh *vrh)
+{
+ return vrh->little_endian;
+}
+
static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)
{
- return __virtio16_to_cpu(vrh->little_endian, val);
+ return __virtio16_to_cpu(vringh_is_little_endian(vrh), val);
}
static inline __virtio16 cpu_to_vringh16(const struct vringh *vrh, u16 val)
{
- return __cpu_to_virtio16(vrh->little_endian, val);
+ return __cpu_to_virtio16(vringh_is_little_endian(vrh), val);
}
static inline u32 vringh32_to_cpu(const struct vringh *vrh, __virtio32 val)
{
- return __virtio32_to_cpu(vrh->little_endian, val);
+ return __virtio32_to_cpu(vringh_is_little_endian(vrh), val);
}
static inline __virtio32 cpu_to_vringh32(const struct vringh *vrh, u32 val)
{
- return __cpu_to_virtio32(vrh->little_endian, val);
+ return __cpu_to_virtio32(vringh_is_little_endian(vrh), val);
}
static inline u64 vringh64_to_cpu(const struct vringh *vrh, __virtio64 val)
{
- return __virtio64_to_cpu(vrh->little_endian, val);
+ return __virtio64_to_cpu(vringh_is_little_endian(vrh), val);
}
static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val)
{
- return __cpu_to_virtio64(vrh->little_endian, val);
+ return __cpu_to_virtio64(vringh_is_little_endian(vrh), val);
}
#endif /* _LINUX_VRINGH_H */
