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Kernel-Mode Driver Framework

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Title: Kernel-Mode Driver Framework  
Author: World Heritage Encyclopedia
Language: English
Subject: Windows Driver Model, .NET Framework, User-Mode Driver Framework, Extensible Storage Engine, DirectX
Collection: Device Drivers, Microsoft Application Programming Interfaces
Publisher: World Heritage Encyclopedia

Kernel-Mode Driver Framework

The Kernel-Mode Driver Framework (KMDF) is a driver framework developed by Microsoft as a tool to aid driver developers create and maintain kernel mode device drivers for Windows 2000[n 1] and later releases. It is one of the frameworks included in the Windows Driver Foundation. The current version is 1.13.


  • Relationship to WDM 1
  • See also 2
  • Notes 3
  • References 4
  • External links 5

Relationship to WDM

In general, KMDF supports drivers that were written for the Windows Driver Model, and it runs on WDM. WDM is the driver model used since the advent of Windows 98, whereas KMDF is the driver framework Microsoft advocates and uses for Windows 2000 and beyond.

In general, since more features like power management and plug and play are handled by the framework, a KMDF driver is less complicated and has less code than an equivalent WDM driver.

KMDF is object-based and built on top of WDM. It provides an object-based perspective to WDM, following the architectural mandate of its superset, WDF. The functionality is contained in different types of objects. KMDF implementation consists of:

See also


  1. ^ The original release of KMDF only supported Windows XP and Server 2003. Support for Windows 2000 was added in KMDF version 1.1.


External links

  • Windows Driver Kit
  • Kernel-Mode Driver Framework Homepage
  • Microsoft KMDF Paper
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