diff options
| author | Jason Wang <jasowang@redhat.com> | 2012-08-28 15:54:13 +0400 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2012-09-28 09:35:15 +0400 |
| commit | 17bb6d40880d4178f5f8a75900ed8c9ff47d3fb2 (patch) | |
| tree | f9888385b33c144f909eff14713a328dc72296f2 /include/linux | |
| parent | 7a23eb28fa645f1f0c2ec38274c11bc78c50c047 (diff) | |
| download | linux-17bb6d40880d4178f5f8a75900ed8c9ff47d3fb2.tar.xz | |
virtio-ring: move queue_index to vring_virtqueue
Instead of storing the queue index in transport-specific virtio structs,
this patch moves them to vring_virtqueue and introduces an helper to get
the value. This lets drivers simplify their management and tracing of
virtqueues.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/virtio.h | 2 | ||||
| -rw-r--r-- | include/linux/virtio_ring.h | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index a1ba8bbd9fbe..533b1157f22e 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -50,6 +50,8 @@ void *virtqueue_detach_unused_buf(struct virtqueue *vq); unsigned int virtqueue_get_vring_size(struct virtqueue *vq); +int virtqueue_get_queue_index(struct virtqueue *vq); + /** * virtio_device - representation of a device using virtio * @index: unique position on the virtio bus diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index e338730c2660..c2d793a06ad7 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -165,7 +165,8 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old) struct virtio_device; struct virtqueue; -struct virtqueue *vring_new_virtqueue(unsigned int num, +struct virtqueue *vring_new_virtqueue(unsigned int index, + unsigned int num, unsigned int vring_align, struct virtio_device *vdev, bool weak_barriers, |