We generally have BDF granularity for devices, so we just need
to make sure devices aren't hidden behind PCIe-to-PCI bridges.
We can then make up a group number that's simply the concatenated
seg|bus|dev|fn so we don't have to track them (not that users
should depend on that).
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>
Acked-By: NDavid Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>