diff options
| -rw-r--r-- | hw/virtio/virtio.c | 6 | ||||
| -rw-r--r-- | include/hw/virtio/virtio-bus.h | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index cc9c9dc162..5bd2a2f621 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -3286,6 +3286,12 @@ hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n) bool virtio_queue_enabled(VirtIODevice *vdev, int n) { + BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); + VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); + + if (k->queue_enabled) { + return k->queue_enabled(qbus->parent, n); + } return virtio_queue_get_desc_addr(vdev, n) != 0; } diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h index 38c9399cd4..0f6f215925 100644 --- a/include/hw/virtio/virtio-bus.h +++ b/include/hw/virtio/virtio-bus.h @@ -84,6 +84,10 @@ typedef struct VirtioBusClass { int (*ioeventfd_assign)(DeviceState *d, EventNotifier *notifier, int n, bool assign); /* + * Whether queue number n is enabled. + */ + bool (*queue_enabled)(DeviceState *d, int n); + /* * Does the transport have variable vring alignment? * (ie can it ever call virtio_queue_set_align()?) * Note that changing this will break migration for this transport. |