Wake Requests
To understand the Windows 2000 architecture for handling wake requests, it is important to first understand the hardware operation. A device that is armed for wake detection appears to have the capability to force a sleeping system back to life. In fact, since the device is a slave of the bus, it really has only the capability to signal its intent to the bus. It is the bus hardware that in turn forces the system out of its sleep.
The significance of this is that the software that drives the hardware is ultimately centered at the bus driver. The arming process starts at the top of the device stack, but the actual waiting occurs at the bottom bus driver. Thus, the overall process for the wake process is
A power policy owner (usually ...
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