> From: Liu, Yi L <yi.l.liu@xxxxxxxxx> > Sent: Thursday, February 9, 2023 12:32 PM > > From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > > Introduce a new iommu_domain op to create domains owned by userspace, > e.g. through iommufd. These domains have a few different properties > compares to kernel owned domains: > > - They may be MANAGED domains, but created with special parameters. > For instance aperture size changes/number of levels, different > IOPTE formats, or other things necessary to make a vIOMMU work > what is *MANAGED* domain? today we only have the separation between DMA domain and UNMANAGED domain. soon with Jason's cleanup all domains are called UNMANAGED.