diff options
Diffstat (limited to 'hw/virtio/virtio-pci.c')
| -rw-r--r-- | hw/virtio/virtio-pci.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index d028c17c24..7bc8c1c056 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1273,16 +1273,20 @@ static void virtio_pci_common_write(void *opaque, hwaddr addr, virtio_queue_set_vector(vdev, vdev->queue_sel, val); break; case VIRTIO_PCI_COMMON_Q_ENABLE: - virtio_queue_set_num(vdev, vdev->queue_sel, - proxy->vqs[vdev->queue_sel].num); - virtio_queue_set_rings(vdev, vdev->queue_sel, + if (val == 1) { + virtio_queue_set_num(vdev, vdev->queue_sel, + proxy->vqs[vdev->queue_sel].num); + virtio_queue_set_rings(vdev, vdev->queue_sel, ((uint64_t)proxy->vqs[vdev->queue_sel].desc[1]) << 32 | proxy->vqs[vdev->queue_sel].desc[0], ((uint64_t)proxy->vqs[vdev->queue_sel].avail[1]) << 32 | proxy->vqs[vdev->queue_sel].avail[0], ((uint64_t)proxy->vqs[vdev->queue_sel].used[1]) << 32 | proxy->vqs[vdev->queue_sel].used[0]); - proxy->vqs[vdev->queue_sel].enabled = 1; + proxy->vqs[vdev->queue_sel].enabled = 1; + } else { + virtio_error(vdev, "wrong value for queue_enable %"PRIx64, val); + } break; case VIRTIO_PCI_COMMON_Q_DESCLO: proxy->vqs[vdev->queue_sel].desc[0] = val; |