Re: [Xen-devel] [Patch RFC 1/4] usb: support device specification via <bus>-<port>

[Gerd Hoffmann <kraxel@xxxxxxxxxx>]

On Fr, 2015-07-17 at 09:32 +0200, Juergen Gross wrote:
> On 07/17/2015 08:59 AM, Gerd Hoffmann wrote:
> > On Do, 2015-07-16 at 17:47 +0200, Juergen Gross wrote:
> >> Today a host usb device can be specified either via <vendor>:<product>
> >> or via <bus>.<device> syntax. Add the possibility to specify it via
> >> <bus>-<port> as this is needed for the support of xen pvusb backend.
> >
> > -device usb-host,hostbus=<bus>,hostport=<port> should already do what
> > you want.
> 
> The problem is I have to add the device while qemu is already running,
> so I'm using usb_host_device_open(). To be able to specify the device
> via <bus>-<port> I have to add the capability to find the device by
> those parameters.
> 
> I haven't found another way to achieve this.

device_add monitor command.

cheers,
  Gerd



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