On Wed, Aug 25, 2021 at 09:21:44AM -0300, Jason Gunthorpe wrote: > This feature is about creating a device that is not connected to a HW > IO page table (at least by the VFIO iommu code) but the IO page table > is held in software and accessed by the VFIO driver through the pin > API. > > virtual_iommu is somewhat overloaded with the idea of a vIOMMU created > by qemu and stuffed into a guest.. > > "domainless" might work but I also find it confusing that the iommu > code uses the word domain to refer to a HW IO page table :\ > > Maybe "sw io page table" ? Or simply emulated? At least looking at i915 there is very little direct connection to the actual hardware, and while I don't understand them fully the s390 driver look similar. And the samples are completely faked up anyway.
