On Mon, 2017-04-10 at 09:54 +0000, Marc-André Lureau wrote: > By "public protocol", I mean qemu communication with a foreign > project, swtpm or other. > > If qemu grows new needs, or if the protocol is found limited or buggy, > it may change. Subtle interactions may break between various > implementations. The minimum would be some versioning or > capabilities. A document describing the states and messages > allowed/denied & effects would be quite necessary.
Stefan, is there any documentation besides the source? Just asking, I don't think it is needed because... > Otoh, there doesn't seem to be other users of this protocol, or other > implementations. So it may make sense to make it qemu-specific, and > thus "private": the protocol and implementation can evolve without > risk to break other users. This gives us a lot more flexibility and > control, and doesn't have to be very strictly documented (although it > is still better to be strict, but requires more effort). ... I suspect it falls into this camp. I can't think of any users of the protocol besides swtpm itself and now qemu. Stefan, is that correct? -- Best Regards, Patrick Ohly The content of this message is my personal opinion only and although I am an employee of Intel, the statements I make here in no way represent Intel's position on the issue, nor am I authorized to speak on behalf of Intel on this matter.
