[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Usb passthrough with upstream qemu question
On Tue, Sep 24, 2013 at 10:59:18AM +0100, George Dunlap wrote: > On 09/23/2013 03:46 PM, Fabio Fantoni wrote: > >I tested my latest patches about usb controllers (1-2-3) and usb > >redirection (from Spice client) support for upstream qemu and are working. > >I also tested usb passthrough (from dom0) but seems that with older > >-usbdevice paraters is not working. > >I see the qemu docs/qdev-device-use.txt and based on this I tried the > >new parameters, for example: > >device_model_args=["-device","usb-host,vendorid=0x058f,productid=0x6387"] > >With new parameters usb passthrough is working, also with new usb > >controller and also with usb redirection enabled. > >I did all tests using latest xen and qemu version (1.6). > >I think should be good to change upstream qemu parameters for usb > >passthrough on libxl with the new ones. > > Yes, I think it would be better. The main difficulty is that the > libxl parameter is basically the old-style usbdevice parameter > passed straight through. To support the current libxl parameter > with the new qemu would mean interpreting the usbdevice parameter > and translating it into the new-style parameter. > > My USB hot-plug series begins to introduce a more reasonable > interface for USB devices. Once that's in, we can think about > introducing a similar new interface for creating domains, that > should match the new way of specifying devices better. Then we > could just say, "If you're using spice, you have to use the new > interface." > > Unfortunately, it's looking like the USB hot-plug series may not > make it into 4.4 unless someone else can pick it up (or unless we > slip the feature freeze). > Hi, Is the latest version of the usb hotplug series posted to xen-devel, or are these not-yet-posted changes in your (private) tree? Just wondering if someone else wants to take a look at that. -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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