“Configuration Request Routing Rules”描述了不同类型设备(Endpoint、Root Port、Switch、PCIe-PCI Bridge)如何路由和处理配置请求(包括Type 0和Type 1)。针对Endpoint的规则For Endpoints, the following rules apply:If Configuration Request Type is 1,Follow the rules for handling Unsupported RequestsIf Configuration Request Type is 0,Determine if the Request addresses a valid local Configuration Space of an implemented FunctionIf so, process the RequestIf not, follow rules for handling Unsupported Requests逐句解释:“If Configuration Requ