On Thu, 23 Apr 2015 17:27:05 +0200
Greg Kurz <gkurz@xxxxxxxxxxxxxxxxxx> wrote:
> Signed-off-by: Greg Kurz <gkurz@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/vhost/vhost.h | 17 +++++++++++------
> 1 file changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
> index 8c1c792..6a49960 100644
> --- a/drivers/vhost/vhost.h
> +++ b/drivers/vhost/vhost.h
> @@ -173,34 +173,39 @@ static inline bool vhost_has_feature(struct vhost_virtqueue *vq, int bit)
> return vq->acked_features & (1ULL << bit);
> }
>
> +static inline bool vhost_is_little_endian(struct vhost_virtqueue *vq)
> +{
> + return vhost_has_feature(vq, VIRTIO_F_VERSION_1);
> +}
> +
> /* Memory accessors */
> static inline u16 vhost16_to_cpu(struct vhost_virtqueue *vq, __virtio16 val)
> {
> - return __virtio16_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), val);
> + return __virtio16_to_cpu(vhost_is_little_endian(vq), val);
> }
>
> static inline __virtio16 cpu_to_vhost16(struct vhost_virtqueue *vq, u16 val)
> {
> - return __cpu_to_virtio16(vhost_has_feature(vq, VIRTIO_F_VERSION_1), val);
> + return __cpu_to_virtio16(vhost_is_little_endian(vq), val);
> }
>
> static inline u32 vhost32_to_cpu(struct vhost_virtqueue *vq, __virtio32 val)
> {
> - return __virtio32_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), val);
> + return __virtio32_to_cpu(vhost_is_little_endian(vq), val);
> }
>
> static inline __virtio32 cpu_to_vhost32(struct vhost_virtqueue *vq, u32 val)
> {
> - return __cpu_to_virtio32(vhost_has_feature(vq, VIRTIO_F_VERSION_1), val);
> + return __cpu_to_virtio32(vhost_is_little_endian(vq), val);
> }
>
> static inline u64 vhost64_to_cpu(struct vhost_virtqueue *vq, __virtio64 val)
> {
> - return __virtio64_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), val);
> + return __virtio64_to_cpu(vhost_is_little_endian(vq), val);
> }
>
> static inline __virtio64 cpu_to_vhost64(struct vhost_virtqueue *vq, u64 val)
> {
> - return __cpu_to_virtio64(vhost_has_feature(vq, VIRTIO_F_VERSION_1), val);
> + return __cpu_to_virtio64(vhost_is_little_endian(vq), val);
> }
> #endif
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
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