USB 2.0 & USB-Over-Network Redirect For QEMU
Written by Michael Larabel in Virtualization on 1 June 2011 at 07:51 AM EDT. Add A Comment
While QEMU works well for many Linux users interested in virtualization and processor emulation, it lacks various features found in other virtualization solutions like Oracle VM VirtualBox and VMware's products. QEMU doesn't yet have a nice virtual graphics driver stack for accelerating 2D/3D on the host and there's limited hardware emulation. QEMU hasn't even properly supported USB 2.0 devices, but that is now changing.

Hans de Goede, a developer contributing to the QEMU project, has a blog post about some of the USB work that's been going into QEMU. Namely, there's USB 2.0 support and USB over network redirection support. Gert Hoffmann is the other developer and he's been cleaning up the EHCI support so that it can be merged (the code originally appears about one year ago), with this USB redirection over the network being based atop that tree.

Those wishing to experiment with QEMU USB2 support for now need to manually build libusb, usbredir, and a separate branch of QEMU. QEMU then also needs to be started with the usb-ehci device for gaining the USB2 support. Hopefully we'll see the support merged to master in the near future.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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