PCIOCGETCONF: Report NUMA domain

[jfree]

Summary

A PCI device's NUMA domain is now accessible via the pd_numa_domain
member of struct pci_conf when using the PCIOCGETCONF ioctl.

[lwhsu]

Don't forget to update .Dd when content of manual page changed. :-)

[jfree]

Update manual page .Dd date

[imp]

These changes aren't backward compatible. You likely need to keep the old struct to reply to the old ioctl...

And you can't change the current old structure. Old binaries will have buffer overflows