[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
On Wed, Apr 05, 2017 at 02:49:26PM +0100, Ian Jackson wrote: > 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); Done, as in Reviewed-by and I am going to check it in once my 'before-staging' tests finish. > 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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