Hi,
> --- a/MdePkg/Include/Protocol/PciHostBridgeResourceAllocation.h
> +++ b/MdePkg/Include/Protocol/PciHostBridgeResourceAllocation.h
> @@ -367,6 +367,33 @@ EFI_STATUS
> IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase
> );
>
> +/**
> + Retrieves the base addresses of ost bridge resources.
> +
> + @param This The pointer to the
> EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL instance.
> + @param RootBridgeHandle The PCI root bridge handle.
> + @param IoBase The pointer to PIO aperture base address.
> + @param Mem32Base The pointer to 32-bit aperture base address.
> + @param PMem32Base The pointer to 32-bit prefetchable aperture base
> address.
> + @param Mem64Base The pointer to 64-bit aperture base address.
> + @param PMem64Base The pointer to 64-bit prefetchable aperture base
> address.
> +
> + @retval EFI_SUCCESS Succeed.
> + @retval EFI_NOT_FOUND Root bridge was not found.
> +
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI
> *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_RESOURCES_BASES)(
> + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
> + IN EFI_HANDLE RootBridgeHandle,
> + OUT UINT64 *IoBase,
> + OUT UINT64 *Mem32Base,
> + OUT UINT64 *PMem32Base,
> + OUT UINT64 *Mem64Base,
> + OUT UINT64 *PMem64Base
> + );
> +
> ///
> /// Provides the basic interfaces to abstract a PCI host bridge resource
> allocation.
> ///
> @@ -415,6 +442,12 @@ struct _EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
> {
> /// before enumeration.
> ///
> EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_PREPROCESS_CONTROLLER
> PreprocessController;
> +
> + ///
> + /// Returns the aligned base addresses of the different resource windows
> + /// of the host bridge. Intended for use before resources are submitted.
> + ///
> + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_RESOURCES_BASES
> GetResourcesBases;
> };
Hmm, not sure the protocol can be changed like that without risking
breakage, the uefi protocols are the binary interface between uefi
modules ...
take care,
Gerd
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