For USB devices it would be theoretically possible: https://msdn.microsoft.com/en-us/windows/hardware/drivers/wdf/overview-of-the-umdf https://msdn.microsoft.co

For USB devices it would be theoretically possible: https://msdn.microsoft.com/en-us/windows/hardware/drivers/wdf/overview-of-the-umdf https://msdn.microsoft.com/en-us/windows/hardware/drivers/wd... A kindle is just a USB drive, though. And that driver is probably kernel mode for performance reasons.