gEfiPciRootBridgeIoProtocolGuid ## TO_START\r
gEfiIncompatiblePciDeviceSupportProtocolGuid ## SOMETIMES_CONSUMES\r
gEfiLoadFile2ProtocolGuid ## SOMETIMES_PRODUCES\r
+ gEdkiiIoMmuProtocolGuid ## SOMETIMES_CONSUMES\r
\r
[FeaturePcd]\r
gEfiMdeModulePkgTokenSpaceGuid.PcdPciBusHotplugDeviceSupport ## CONSUMES\r