On Tue, 2018-06-26 at 15:59 +0200, Cédric Le Goater wrote: > This is a model of the PCIe host bridge found on Power8 chips, > including PowerBus logic interface, IOMMU support, PCIe root complex, > XICS MSI and LSI interrupt sources. > > 4 PHBs are provisioned under the Power8 chip model to fit hardware but > only one is currently initialized.
What's the advantage in creating 4 PHBs instead of a single one, like we already do for pSeries guests? As it is, this will confuse the heck out of libvirt's PCI address allocation algorithm :) -- Andrea Bolognani / Red Hat / Virtualization