This patch introduces PCI address extension flag for virDomainDeviceInfo
and virPCIDeviceAddress. The extension flag in virDomainDeviceInfo is
used internally during calculating PCI extension flag. The one in
virPCIDeviceAddress is the duplicate to indicate extension address is
being used. Currently only zPCI extension address is introduced to deal
with 'uid' and 'fid' on the S390 platform.
Signed-off-by: NYi Min Zhao <zyimin@linux.ibm.com>
Reviewed-by: NBoris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NAndrea Bolognani <abologna@redhat.com>