diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c index 82cc151b172d7ea7044fd475f39c32a4a879a57d..351a343806516d66d6b0715d5002efe73a214b0f 100644 --- a/hw/virtio/dataplane/vring.c +++ b/hw/virtio/dataplane/vring.c @@ -52,6 +52,7 @@ bool vring_setup(Vring *vring, VirtIODevice *vdev, int n) void vring_teardown(Vring *vring, VirtIODevice *vdev, int n) { virtio_queue_set_last_avail_idx(vdev, n, vring->last_avail_idx); + virtio_queue_invalidate_signalled_used(vdev, n); hostmem_finalize(&vring->hostmem); } diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 09f62c6c70e3341164181671a32cb310c7c61762..706bdf4c465726ffeef0951f5c4d143314ddb0f9 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1059,6 +1059,11 @@ void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, uint16_t idx) vdev->vq[n].last_avail_idx = idx; } +void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n) +{ + vdev->vq[n].signalled_used_valid = false; +} + VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n) { return vdev->vq + n; diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index d7e9e0fc8a5506eceec3f2dd08b38b6d67a9d581..a90522d6d654ed28bff50e602dee7b609d49294f 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -237,6 +237,7 @@ hwaddr virtio_queue_get_used_size(VirtIODevice *vdev, int n); hwaddr virtio_queue_get_ring_size(VirtIODevice *vdev, int n); uint16_t virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n); void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, uint16_t idx); +void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n); VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n); uint16_t virtio_get_queue_index(VirtQueue *vq); int virtio_queue_get_id(VirtQueue *vq);