Developing Drivers with the Windows® Driver Foundation

Callback Sequences for Plug and Play and Power Management

Plug and Play and power management handle the activities that are required to bring a newly inserted device to full operation and to remove an operational device from the system. When the user plugs in a new device, the system must determine the type and capabilities of the device, assign resources to the device, work with the device’s drivers to power up and initialize the device, and do whatever else is required to ready the device for operation. When the user unplugs the device, the system reverses this process. The core activities related to device arrival and startup follow a fixed sequence, as do the core activities related to shutdown and removal.

At each point in the sequence, the ...