Книга: Writing Windows WDM Device Drivers

Conclusion

Conclusion

This chapter has looked in detail at I/O Request Packets (IRPs) and how to write dispatch routines to handle common IRPs. In addition, it has covered how to define IOCTL codes, and how to use spin locks. The Wdm1 dispatch routines implement a shared memory buffer, protected by a spin lock.

The next chapter looks at Plug and Play in detail, enhancing Wdm1 to support PnP correctly.


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