Liangxu Linux

Jun 20, 2022 · Backend Development

Deep Dive into Linux USB Core: Device Model, URBs, and Host Controller Drivers

This article provides a comprehensive analysis of the Linux USB core architecture, detailing the device and interface layers, the struct usb_device model, USB Request Block handling, hub driver operations, EHCI host controller scheduling, and a complete example of a USB mouse client driver, complete with code snippets.