Windows paravirtualized drivers for QEMU\KVM

Windows WDM driver filters to filter IO to devices and file systems

An example of a camera class (upper) filter driver for Windows.

A Windows filter driver that disables hardware volume control on audio devices.

A WDM Windows driver to issue IO to storage devices with asynchronous multithreaded processing

A simple 200 LOC kernel driver that displays a bitmap after a BSOD.

wdm driver uses filter manager to scan for user given file extension