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List:       libvirt-users
Subject:    [libvirt-users] Bypass USB to Xen VM
From:       Lorenzo Milesi <maxxer () ufficyo ! com>
Date:       2011-06-20 12:03:30
Message-ID: 1071932113.548.1308571410737.JavaMail.root () quaglia
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Hi. I'm trying to bypass an USB device from the host to a paravirtualized Xen VM.
I found this page:
http://libvirt.org/formatdomain.html#elementsUSB
which says how to bypass usb and pci devices to guests. It says that works on KVM \
only, but is that notice about PCI or about ALL?

Anyway I tried both from virt-manager and from virsh edit domain by adding the \
following:

    <hostdev mode='subsystem' type='usb'>
      <source>
        <vendor id='0x03f0'/>
        <product id='0x0114'/>
      </source>
    </hostdev>

but the edit is ignored, right after I save, if I do a dumpxml the "hostdev" stanza \
is not present.

Why? Any other way to bypass? usbip?

thanks


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