IoInvalidateDeviceState - NtDoc
Native API online documentation, based on the System Informer
(formerly Process Hacker) phnt
headers
// wdm.h
VOID IoInvalidateDeviceState(
[in] PDEVICE_OBJECT PhysicalDeviceObject
);
View the official Windows Driver Kit DDI referenceNo description available.
The IoInvalidateDeviceState routine notifies the PnP manager that some aspect of the PnP state of a device has changed.
PhysicalDeviceObject [in]Pointer to the PDO for the device.
Drivers call this routine to indicate that something has changed with respect to one of the following aspects of a device's PnP state:
PNP_DEVICE_DISABLED
PNP_DEVICE_DONT_DISPLAY_IN_UI
PNP_DEVICE_FAILED
PNP_DEVICE_NOT_DISABLEABLE
PNP_DEVICE_REMOVED
PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED
For descriptions of the preceding constants, see PNP_DEVICE_STATE.
In response to this routine, the PnP manager sends an IRP_MN_QUERY_PNP_DEVICE_STATE request to the device stack, to determine the current PnP state of the device.