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https://bugzilla.redhat.com/show_bug.cgi?id=795929 http://git.qemu.org/?p=qemu.git;a=commitdiff;h=6af165892cf900291046f1d25f95416f379504c2 This patch define and parse the input XML of USB redirection filter. <devices> ... <redirdev bus='usb' type='spicevmc'> <address type='usb' bus='0' port='4'/> </redirdev> <redirfilter> <usbdev class='0x08' vendor='0x1234' product='0xbeef' \ version='2.00' allow='yes'/> <usbdev allow='no'/> </redirfilter> ... </devices> There is no 1:1 mapping between ports and redirected devices and qemu and spicy client couldn't decide into which usbredir ports the client can 'plug' redirected devices. So it make sense to apply all of filter rules global to all existing usb redirection devices. class attribute is USB Class codes. version is bcdDevice value of USB device. vendor and product is USB vendorId and productId. -1 can be used to allow any value for a field. Except allow attribute the other four are optional, default value is -1.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>