These two white papers provide will help guide you through the process of porting drivers from the Windows Driver Model (WDM) to the kernel-mode driver framework (KMDF) component of the Windows Driver Framework (WDF) for Windows.
Porting Drivers from WDM to WDF outlines a strategy for porting and describes differences between the two driver models in detail
Summary of KMDF and WDM Equivalents includes tables that show the corresponding KMDF and WDM object types, functions, and buffer pointers.
Applicable to: Windows Vista, Windows XP, WinServer 2003, and Win2K.