tree f9888385b33c144f909eff14713a328dc72296f2
parent 7a23eb28fa645f1f0c2ec38274c11bc78c50c047
author Jason Wang <jasowang@redhat.com> 1346154853 +0200
committer Rusty Russell <rusty@rustcorp.com.au> 1348810515 +0930

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>