KMDF provides interfaces that are simpler to use than WDM interfaces.ĭo not write a WDM driver if the driver will be inserted into a stack of non-WDM drivers. If you are writing a new driver, consider using the Kernel-Mode Driver Framework (KMDF). ![]() Support Windows Management Instrumentation (WMI). (Note that Wdm.h is a subset of Ntddk.h.)īe designed as a bus driver, a function driver, or a filter driver, as described in Types of WDM Drivers. Kernel-mode drivers that follow WDM rules are called WDM drivers. To allow driver developers to write device drivers that are source-code compatible across all Microsoft Windows operating systems, the Windows Driver Model (WDM) was introduced. ![]() For guidance on choosing a driver model, see Choosing a driver model. This section contains guidance on WDM drivers, which is no longer the recommended driver model.
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