# Pastebin wDTzB9hD
            # Endpoint.
            self.pcie_endpoint.crossbar.controller.tag_queue.sink.valid,
            self.pcie_endpoint.crossbar.controller.tag_queue.sink.ready,
            self.pcie_endpoint.crossbar.controller.tag_queue.level,

            self.pcie_endpoint.crossbar.controller.req_queue.sink.valid,
            self.pcie_endpoint.crossbar.controller.req_queue.sink.ready,
            self.pcie_endpoint.crossbar.controller.req_queue.level,