>>> On 23.08.17 at 03:05, <chao....@intel.com> wrote: > Strictly speaking, the VF can be an extended function. The definition is > within ARI device (in this kind of device, device field is treated as an > extension of function number) and function number is greater than 7. But > this field isn't used as we don't care about whether a VF is or not an > extended function (at least at present).
Hmm, that's not in line with what Linux'es xen_add_device() does: #ifdef CONFIG_PCI_IOV if (pci_dev->is_virtfn) { add->flags = XEN_PCI_DEV_VIRTFN; add->physfn.bus = physfn->bus->number; add->physfn.devfn = physfn->devfn; } else #endif if (pci_ari_enabled(pci_dev->bus) && PCI_SLOT(pci_dev->devfn)) add->flags = XEN_PCI_DEV_EXTFN; Note the "else" in there. Are you saying this is actually wrong? (I indeed do see ARI capability structures in the VFs of the one SR-IOV capable system I have direct access to.) Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel