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authorJason Wang <jasowang@redhat.com>2012-08-28 13:54:13 +0200
committerRusty Russell <rusty@rustcorp.com.au>2012-09-28 15:05:15 +0930
commit17bb6d40880d4178f5f8a75900ed8c9ff47d3fb2 (patch)
treef9888385b33c144f909eff14713a328dc72296f2 /include/linux/virtio_ring.h
parent7a23eb28fa645f1f0c2ec38274c11bc78c50c047 (diff)
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/virtio_ring.h')
-rw-r--r--include/linux/virtio_ring.h3
1 files changed, 2 insertions, 1 deletions
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,