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From: Gerd Hoffmann <kraxel@redhat.com>
To: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: David Airlie <airlied@redhat.com>,
	Lennart Poettering <lpoetter@redhat.com>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] multihead & multiseat in qemu
Date: Mon, 24 Mar 2014 09:36:43 +0100	[thread overview]
Message-ID: <1395650203.15484.29.camel@nilsson.home.kraxel.org> (raw)
In-Reply-To: <20140321163727.GA14504@work-vm>

  Hi,

> > I'd like to have some way to assign tags such as seat=foo or head=1 to
> > devices.  Preferably in some way which can easily picked up with udev
> > rules, so it is easily usable by system-logind and Xorg server.
> 
> Can't you just do this in the serial number strings for both monitor EDID
> and USB device, I'm assuming that's how current multiseat setups figure
> stuff out.

We don't emulate monitor EDID ...

Also the serial number for HID devices is (ab-)used to signal remote
wakeup support (see commit 7b074a22dab4bdda9864b933f1bc811a3db42845).

> I think with the touchscreen idea that means qemu never needs itself
> to have a view of where it's displays are logically left/right/above/down
> which is probably fortunate.

Yes, that is one of the reasons.

cheers,
  Gerd

  reply	other threads:[~2014-03-24  8:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-21 13:27 [Qemu-devel] multihead & multiseat in qemu Gerd Hoffmann
2014-03-21 16:37 ` Dr. David Alan Gilbert
2014-03-24  8:36   ` Gerd Hoffmann [this message]
2014-03-24  9:36     ` Dr. David Alan Gilbert
2014-03-24 11:14       ` Gerd Hoffmann
2014-03-24 11:22         ` Dr. David Alan Gilbert
2014-03-24 11:45           ` Gerd Hoffmann
2014-03-21 21:55 ` Dave Airlie
2014-03-24  8:28   ` Gerd Hoffmann

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