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Drivers, unlike user-mode programs, have a number of different entry points, and each entry point is specifically designed to handle a single type of interface. In this chapter, we will talk about the required interfaces, and we will also talk about adding additional interfaces.


Driver routines all receive a pointer to a DRIVER_OBJECT structure. The driver must fill in the appropriate fields of this structure, so that Windows can learn the whereabouts of the different access routines, and any other information about the driver.

I/O Request PacketsEdit

Device Object StructuresEdit


DriverEntry and DriverUnloadEdit

StartIo and AddDeviceEdit

Service RoutinesEdit