Driver support routines are routines that the operating system provides for kernel-mode drivers to use. Drivers do not use Microsoft Win32 routines; instead, they use the routines that this section describes.

The driver support routines in this section are organized by kernel mode managers and libraries.

The following kermel-mode managers provide support for drivers:

The following kermel-mode libraries provide support for drivers:

For a task-based summary of kernel support routines, see Summary of Kernel-Mode Support Routines.