Windows Driver WDF driver development series (2)

1. Framework object model2. kmdf program structure

Kmdf is a plug-and-play driver model:

1. A DriverEntry routine.

2. An evtdriverdeviceadd routine, similar to the adddevice routine of WDM.

3. One or more Io queues.

4. A callback routine for multiple active Io events is similar to the dispatchxxx of WDM.

5. plug-and-play and power management callback routines are supported.

6. Supported WMI callback routines for managing computer systems

7. Other callback routines, such as object clearing routines, interrupt processing routines, and DMA routines.