[Spice-devel] [Qemu-devel] paravirtual mouse/tablet, v5
anthony at codemonkey.ws
Thu Jan 27 07:29:49 PST 2011
On 01/27/2011 08:53 AM, Gerd Hoffmann wrote:
> On 01/27/11 15:27, Anthony Liguori wrote:
>> On 01/27/2011 07:11 AM, Gerd Hoffmann wrote:
>>> Next revision the pvmouse protocol. It is quite different now, I've
>>> decided to move to a model with one message per updated value, simliar
>>> to the linux input layer. There isn't a "mouse move" message any more.
>>> A mouse move event will be three messages now: one to update X, one to
>>> update Y and a third sync message to mark the end of the message
>>> block. That should be *alot* easier to extend in the future.
>>> Header file is attached. Comments are welcome.
>> I can't comment on the multitouch bits but I like the new interface.
> BTW: Is there any plan for guest code already? Should it stay within
> the qemu source tree, in a guest/ directory maybe? pvmouse daemon
> would live there, also the upcoming guest agent bits.
I think it should live in the QEMU tree or at least on qemu.org. We
want these agents to be ubiquitous.
> Before finally committing to some protocol I'd like to have at least a
> simple proof-of-concept which is able to handle all the mouse events
> the current qemu mouse infrastructure is able to handle.
> Oh, and we'll have to define endianness of course so it keeps working
> if host and guest have a different byteorder. I'd suggest to pick
> network byte order aka bigendian.
Makes sense to me.
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