diff mbox series

[v4,04/11] virtio: initialize wrap counter for packed ring

Message ID 1550118402-4057-5-git-send-email-wexu@redhat.com (mailing list archive)
State New, archived
Headers show
Series packed ring virtio-net backends support | expand

Commit Message

Wei Xu Feb. 14, 2019, 4:26 a.m. UTC 
From: Wei Xu <wexu@redhat.com>

Set to 'true' by default due to spec.

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 1a98e61..54dc098 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1238,6 +1238,9 @@  void virtio_reset(void *opaque)
         vdev->vq[i].last_avail_idx = 0;
         vdev->vq[i].shadow_avail_idx = 0;
         vdev->vq[i].used_idx = 0;
+        vdev->vq[i].last_avail_wrap_counter = true;
+        vdev->vq[i].avail_wrap_counter = true;
+        vdev->vq[i].used_wrap_counter = true;
         virtio_queue_set_vector(vdev, i, VIRTIO_NO_VECTOR);
         vdev->vq[i].signalled_used = 0;
         vdev->vq[i].signalled_used_valid = false;