On Fri, 15 Nov 2019 at 17:32, ToddAndMargo via users <
users@lists.fedoraproject.org> wrote:

> On 11/14/19 7:48 PM, Ed Greshko wrote:
> > On 11/15/19 12:27 AM, ToddAndMargo via users wrote:
> >> On 11/13/19 5:22 PM, George N. White III wrote:
> >>> Has the USB controller been assigned as a PCI device to the VM?   If
> >>> so it would be
> >>> detached from the host machine.
> >>
> >> Controller USB 0
> >> Controller: Type USB; Model USB2
> >> XML:
> >>     <controller type="usb" index="0" model="ich9-ehci1">
> >>       <address type="pci" domain="0x0000" bus="0x00" slot="0x05"
> >> function="0x7"/>
> >>     </controller>
> >>
> >
> > I missed this post until just now.
> >
> > I see that there is a difference in our configuration as I am using a
> > Virtual USB controller.
> >
> > <controller type="usb" index="0" model="qemu-xhci" ports="15">
>
> Hi Ed,
>
> Whilst we wait for the graphics I sent with my USB
> controller options to be approved by the moderator,
> where did you find that option?  I only have USB2,
> USB3, Hypervisor default (USB2).
>

USB options may depend on previous choices.  For example, different
"machine types" have different capabilities.

https://github.com/qemu/qemu/blob/master/docs/usb2.txt menitions
differences for XHCI, EHCI, and UHCI.   XHCI does USB's1, 2, &3.

-- 
George N. White III
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