On Mon, 2016-10-10 at 17:15 +0300, Marcel Apfelbaum wrote: > > > > 2) can you really only plug a pcie-root-port (ioh3420) > > > > into a pxb-pcie? Or will it accept anything that pcie.0 > > > > accepts? > > > > > > It supports only PCI Express Root Ports. It does not > > > support Integrated Devices. > > > > So no PCI Express Switch Upstream Ports? > > The switch upstream ports can only be plugged into PCIe Root Ports. > There is an error in the RFC showing otherwise, it is already > corrected in V1, not yet upstream.
I was pretty sure that was the case, but I wanted to double-check just to be on the safe side ;) > > What about DMI-to-PCI Bridges? > > Yes, the dmi-to-pci bridge can be plugged into the pxb-pcie, I'll > be sure to emphasize it. Cool. I would have been very surprised if that would have not been the case, considering how we need to use multiple pxb-pcie to link PCI devices to specific NUMA nodes. -- Andrea Bolognani / Red Hat / Virtualization
