/* Retrieve the SMM FVB protocol interface by HANDLE. */
EFI_STATUS GetFvbByHandle(IN EFI_HANDLE FvBlockHandle, OUT EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL **FvBlock)
/* Retrieve the SMM FVB protocol interface by HANDLE. */
EFI_STATUS GetFvbByHandle(IN EFI_HANDLE FvBlockHandle, OUT EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL **FvBlock)
{
  return gMmst->MmHandleProtocol (
                  FvBlockHandle,
                  &gEfiSmmFirmwareVolumeBlockProtocolGuid,
                  (VOID **)FvBlock
                  );
}