On Thu, Feb 13, 2025 at 09:46:01AM +0000, Jean-Philippe Brucker wrote: > Hi Jacob, > > On Wed, Feb 12, 2025 at 09:47:23PM -0800, Jacob Pan wrote: > > Our code and backend support are still in the early stages, that is why > > I am attempting to convert virtio-iommu driver to iommu_pt. Not sure if > > anyone has done the QEMU part to support VIRTIO_IOMMU_F_ATTACH_TABLE? > > @Jean @Eric Do you know? > > As far as I know Tina worked on this most recently: > https://github.com/TinaZhangZW/qemu/commits/virtio-iommu/vt-d-pgtable/ > https://lore.kernel.org/all/20231106071226.9656-1-tina.zhang@xxxxxxxxx/ Thanks a lot for this information, Jean. IIUC, these patches were trying to add VT-d IO page table support in virtio-iommu, but it is not based on Jason's generic PT [1]. Just wondering, does anyone have plan to do the incorporation? [1] https://lore.kernel.org/all/0-v1-01fa10580981+1d-iommu_pt_jgg@xxxxxxxxxx/ B.R. Yu