On Tue, Apr 23, 2019 at 03:19:58PM +0200, Marc-André Lureau wrote: > Add a new vhost-user message to give a unix socket to a vhost-user > backend for GPU display updates.
Can you split input/gpu into two patch series? > +Wire format > +=========== > + > +Unless specified differently, numbers are in the machine native byte > +order. > + > +A vhost-user-gpu request consists of 2 header fields and a payload. > + > ++---------+------+---------+ > +| request | size | payload | > ++---------+------+---------+ > + > +Header > +------ > + > +:request: ``u32``, type of the request > + > +:size: ``u32``, size of the payload > + > +A reply consists only of a payload, whose content depends on the request. I'd suggest to use the same format for replies, only with "request" meaning "status" in replies. Allows for OK/ERROR status in replies, and having a size field in replies too should make things more robust. Also allows for an empty reply (status=ok,size=0). cheers, Gerd
