Re: About VFIO Device Pass-through on Qemu.

2024-07-05 Thread Alex Williamson
On Fri, 5 Jul 2024 17:08:49 +0800 (CST) tugouxp <13824125...@163.com> wrote: > Hi folks: > > > I have a questions about device vfio pass-through usage snarios, > PCI device pass-throug for example. did the GPA that host physical > memory mapped to Guest vcpu through MMU must be identical wi

About VFIO Device Pass-through on Qemu.

2024-07-05 Thread tugouxp
Hi folks: I have a questions about device vfio pass-through usage snarios, PCI device pass-throug for example. did the GPA that host physical memory mapped to Guest vcpu through MMU must be identical with the IOVA that host physical memory mapped to gust device thourgh iommu? if so, that