On Mon, 2016-08-08 at 15:33 -0400, Laine Stump wrote: > > Doesn't > > > > https://bugzilla.redhat.com/1363648#c4 > > > > tell us that we *need* to use a pcie-root-port when plugging > > stuff into a pcie-expander-bus? > > No, I think you're misunderstanding Marcel's comment: > > > (In reply to Laine Stump from comment #2) > > > Marcel - is this actually supported by qemu? > > > > Yes, and if doesn't work is a bug. > > The best way to think of pxb/pbx-pcie is that it exposes a > > new pcie.0 like bus. > > The only difference is that you cannot have devices plugged > > directly into it (integrated device). > > I specifically asked him if what the reporter attempted > (plugging a dmi-to-pci-bridge directly into a > pcie-expander-bus) was supported, and he said "yes". > > He then said that the only difference is that you can't plug > [endpoint] devices directly into it. A dmi-to-pci-bridge is > not an endpoint device. Aside from endpoint devices, the only > other things you are supposed to plug into pcie-root are > pcie-root-ports and dmi-to-pci-bridges. The "endpoint" part is the one I was missing. It makes sense now :) -- Andrea Bolognani / Red Hat / Virtualization -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list