On Thu, Apr 10, 2014 at 02:10:20PM +0200, Gerd Hoffmann wrote: > On Do, 2014-04-10 at 14:05 +0300, Michael S. Tsirkin wrote: > > On Thu, Apr 10, 2014 at 11:07:53AM +0200, Gerd Hoffmann wrote: > > > Device for sending non-input control messages to the guest. For now > > > this is only a single event: shutdown requests are sent as power button > > > press to the guest. > > > > > > Possible other use is signaling sound volume changes to the guest (via > > > EV_ABS / ABS_VOLUME). I expect we'll find more over time. > > > > > > Signed-off-by: Gerd Hoffmann <kra...@redhat.com> > > > > Why not use a keyboard device for this? > > >From the guests point of view this is looks like a keyboard. A keyboard > with a single key: power. > > I prefer a clear separation between devices being feed from user input > and the control device which monitors other event sources (powerdown > notifier). > > There is no fundamental reason why this can't live in the emulated > keyboard though. > > cheers, > Gerd >
Well I have a keyboard with volume keys - sleep and wakeup buttons too. Not power but that's not out of the realm of possibility. If we want to be able to pass that through, it should work as a virtio keyboard right? -- MST
