On Fri, Dec 13, 2024 at 11:58:02AM +0000, Daniel P. Berrangé wrote: > Libvirt does not rquire use of pcie-switch. It supports them, but in the > absence of app requested configs, libvirt will always just populate > pcie-root-port devices. switches are something that has to be explicitly > asked for, and I don't see much need todo that.
If you are assigning all VFIO devices within a multi-device iommu group there are good reasons to show the switch, and the switch has to reflect certain ACS properties. We have some systems like this.. Jason
