diff options
Diffstat (limited to 'include/linux/virtio.h')
| -rw-r--r-- | include/linux/virtio.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 8f4d4bfa6d46..d5eb5479a425 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -75,8 +75,27 @@ unsigned int virtqueue_get_vring_size(struct virtqueue *vq); bool virtqueue_is_broken(struct virtqueue *vq); -void *virtqueue_get_avail(struct virtqueue *vq); -void *virtqueue_get_used(struct virtqueue *vq); +const struct vring *virtqueue_get_vring(struct virtqueue *vq); +dma_addr_t virtqueue_get_desc_addr(struct virtqueue *vq); +dma_addr_t virtqueue_get_avail_addr(struct virtqueue *vq); +dma_addr_t virtqueue_get_used_addr(struct virtqueue *vq); + +/* + * Legacy accessors -- in almost all cases, these are the wrong functions + * to use. + */ +static inline void *virtqueue_get_desc(struct virtqueue *vq) +{ + return virtqueue_get_vring(vq)->desc; +} +static inline void *virtqueue_get_avail(struct virtqueue *vq) +{ + return virtqueue_get_vring(vq)->avail; +} +static inline void *virtqueue_get_used(struct virtqueue *vq) +{ + return virtqueue_get_vring(vq)->used; +} /** * virtio_device - representation of a device using virtio |