Re: [Qemu-devel] [PATCH 0/1] Add virtio-input driver.

[Gerd Hoffmann <kraxel@redhat.com>]

On Do, 2015-03-19 at 14:35 +0100, Michael S. Tsirkin wrote:
> On Thu, Mar 19, 2015 at 10:13:10AM +0100, Gerd Hoffmann wrote:
> >   Hi,
> > 
> > This patch adds a virtio driver for input devices.
> > 
> > Specification:
> >   https://www.kraxel.org/cgit/virtio-spec/log/?h=virtio-input
> >   https://www.kraxel.org/virtio/virtio-v1.0-csprd03-virtio-input.html#x1-2640007
> 
> 
> OK, I don't know which thread should I use for spec discussions.
> Referring to that:
> 
> 	"See file:///usr/include/linux/input.h."
> 
> Is likely not present on many systems, or might not include
> the info you refer to.

Dunno what the best way to deal with it is.  Link to the version online
@ kernel.org instead maybe?

>  "type, code and value are filled according to the linux input layer
>  (evdev) interface"
> 
> Which version?

Latest.  As far I know there never ever have been incompatible changes
to the interface, and given this is userspace/kernel abi I don't expect
that to happen in the future.

>   How will non-linux guests know what to implement?

There are some docs on the linux input layer and evdev events in
Documentation/input/ in the kernel tree.

cheers,
  Gerd