On Wed, Oct 06, 2021 at 03:04:15PM +0200, Eric Auger wrote:
> > +if (config.bypass != dev->config.bypass) {
> > +if (!virtio_vdev_has_feature(vdev, VIRTIO_IOMMU_F_BYPASS_CONFIG)) {
> > +virtio_error(vdev, "cannot set config.bypass");
> > +return;
> > +}
Hi jean,
On 9/30/21 8:50 PM, Jean-Philippe Brucker wrote:
> Currently the virtio-iommu device must be programmed before it allows
> DMA from any PCI device. This can make the VM entirely unusable when a
> virtio-iommu driver isn't present, for example in a bootloader that
> loads the OS from
Currently the virtio-iommu device must be programmed before it allows
DMA from any PCI device. This can make the VM entirely unusable when a
virtio-iommu driver isn't present, for example in a bootloader that
loads the OS from storage.
Similarly to the other vIOMMU implementations, default to DMA
