Hi folks,
Following up on my earlier question to this mail list. Not sure if
anyone else is interrested, but just in case. I wanted a way to
access USB peripherals from my Windows DomU, using their native
windows drivers.
After some some unsuccessful experimenting with USB passthrough, PCI
passthrough, etc. I bought the Belkin USB networked hub
(http://www.belkin.com/networkusbhub/). Although the Belkin web site
says it's not yet available, it is. I paid $99 at Circuit City.
I put the hub on my ethernet, pulled up a WinXP domU on my Xen
machine, and installed the Belkin driver software from the CD. Works
great. Now I can plug my Ipod, Ipaq, etc., into the hub, and they
appear like magic in the domU windows environment.
I have not yet tried all of my USB peripherals on it, but the ones
I've tried so far work flawlessly.
Derek.
On 6/23/07, Derek <xen@xxxxxxxxxxxxxxxx> wrote:
Hi Folks,
Interested in opinions on the best way to do this, and especially
tales of success or failure so I don't have to repeat someone else's
mistake.
I want a DomU (winxp, hvm) to be able to access a few select USB
devices. No other DomU or Dom0 will need to share them. And, I
should point out that some of these are devices for which a Linux
driver is either unavailable or unsuited for my purposes, so I really
do need to run the Windows driver and have it "think" it's talking
direct to the USB.
The sort of devices I am talking about include: A bluetooth adaptor,
an ipod, an ipaq PDA, and an Actiontek "Internet Phone Wizard".
Posibilities that I have considered:
1. Use USB passthrough, so DomU sees a virtualized device. I've
tried this, using the qemu "usb_add device" command. No luck, so far.
My DomU freezes when I try it, and I don't know why. Also, googling
around, I've yet to see any success story with this method, so I don't
think it works under Xen.
2. Use PCI passthrough, so DomU sees an entire PCI device. In this
case, the PCI device would be a USB adaptor, and thus WinXP will see
all devices and hubs under that adaptor. I have yet to try this
method, wondering if anyone has done so with success?
3. Using USB-over-IP or some similar network tunneling. So far I've
found one software-only product for this
(http://www.usb-over-network.com/) and three hardware products
(http://www.belkin.com/networkusbhub/ &
http://www.home.agilent.com/agilent/facet.jspx?k=E5813A &
http://www.digi.com/products/usb/anywhereusb.jsp). I can't use the
software-only product, because it requires a windows computer as host,
with access to the native USB hardware. I have no such computer
available. The hardware products seem promising, but the Agilent and
Digi ones are very expensive, and the Belkin one is not yet available,
as far as I can tell.
Anyway, if any folks on this list have solved this problem in any of
the above ways -- or others I haven't thought of -- please share the
details with me.
Many thanks,
Derek.
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