Windows下USB驱动基础知识
USB总线FDO调用 IoInvalidateDeviceRelations通知PNP有新的设备后子设备收到的IRP
2021-06-30
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在USB FDO总线驱动中,创建了子设备PDO后，调用通知PNP管理器设备树发生了变化。这时系统会重新获取子设备关系树，然后对子设备进行信息收集，并启用。具体的过程如下：
->FDO:IRP_MN_QUERY_DEVICE_RELATIONS
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_CAPABILITIES
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_DEVICE_TEXT
PDO:IRP_MN_QUERY_DEVICE_TEXT
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_BUS_INFORMATION
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_RESOURCE_REQUIREMENTS
PDO:IRP_MN_QUERY_RESOURCES
PDO:IRP_MN_19
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_18
PDO:IRP_MN_QUERY_RESOURCE_REQUIREMENTS
PDO:IRP_MN_FILTER_RESOURCE_REQUIREMENTS
PDO:IRP_MN_START_DEVICE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_CAPABILITIES
PDO:IRP_MN_QUERY_CAPABILITIES
PDO:IRP_MN_QUERY_PNP_DEVICE_STATE
PDO:IRP_MN_QUERY_DEVICE_RELATIONS
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_DEVICE_RELATIONS
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_ID
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
PDO:IRP_MN_QUERY_INTERFACE
通过设备管理器卸载设备
PDO:IRP_MN_QUERY_DEVICE_RELATIONS
PDO:IRP_MN_QUERY_REMOVE_DEVICE
PDO:IRP_MN_REMOVE_DEVICE
->FDO:IRP_MN_QUERY_DEVICE_RELATIONS
->FDO:IRP_MN_QUERY_REMOVE_DEVICE
PDO:IRP_MN_REMOVE_DEVICE
->FDO:IRP_MN_REMOVE_DEVICE
通过IoInvalidateDeviceRelations卸载子设备
->FDO:IRP_MN_QUERY_DEVICE_RELATIONS
PDO:IRP_MN_QUERY_DEVICE_RELATIONS
PDO:IRP_MN_QUERY_DEVICE_RELATIONS
PDO:IRP_MN_SURPRISE_REMOVAL
PDO:IRP_MN_REMOVE_DEVICE
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