[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v1 0/2] libxl: add PV display device driver interface
al1img . writes ("Re: [PATCH v1 0/2] libxl: add PV display device driver interface"): > On Wed, Apr 5, 2017 at 2:05 PM, Ian Jackson <ian.jackson@xxxxxxxxxxxxx> wrote: > > Sorry to show my ignorance, but what is a "PV display device" ? > > Where is the backend ? What protocol do the frontend/backend speak ? > > This is PV display device which provides virtual screens for frontends. > We are working on the backend and frontend. They are currently under > development. Thanks for the reference to http://marc.info/?l=xen-devel&m=149137266022490&w=2 which was very helpful. I think you should combine this series with that patch. That patch will need wider review and ack from Konrad (as our PV interface tsar); AFAICT you're working on that, but I would like to be CC'd on the mails too. > > What are the parameters ? > > It has two parameters: > * backend - specifies domain where the backend is running; > * beAlloc - indicated where display buffers should be allocated > (see Backend buffer allocation in [3]); I don't understand that, I'm afraid. I guess what I'm missing in this area is: the guest sees a virtual display device. But how is this presented/accessed/named/whatever on the host ? I would expect to see some configuraton for this in the libxl idl. Thanks, Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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