diff options
Diffstat (limited to 'hw/virtio/virtio-iommu.c')
| -rw-r--r-- | hw/virtio/virtio-iommu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index 6b9ef7f6b2..c2883a2f6c 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -893,6 +893,11 @@ static int virtio_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu_mr, IOMMUNotifierFlag new, Error **errp) { + if (new & IOMMU_NOTIFIER_DEVIOTLB_UNMAP) { + error_setg(errp, "Virtio-iommu does not support dev-iotlb yet"); + return -EINVAL; + } + if (old == IOMMU_NOTIFIER_NONE) { trace_virtio_iommu_notify_flag_add(iommu_mr->parent_obj.name); } else if (new == IOMMU_NOTIFIER_NONE) { |