From patchwork Tue Dec 16 13:20:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 421908 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 7CB131400D2 for ; Wed, 17 Dec 2014 00:23:28 +1100 (AEDT) Received: from localhost ([::1]:44701 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y0s62-0007zu-KY for incoming@patchwork.ozlabs.org; Tue, 16 Dec 2014 08:23:26 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49677) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y0s3F-0003SG-Qj for qemu-devel@nongnu.org; Tue, 16 Dec 2014 08:20:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y0s37-0007kd-Bn for qemu-devel@nongnu.org; Tue, 16 Dec 2014 08:20:33 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56994) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y0s37-0007kJ-35 for qemu-devel@nongnu.org; Tue, 16 Dec 2014 08:20:25 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id sBGDKNkW017351 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Tue, 16 Dec 2014 08:20:24 -0500 Received: from nilsson.home.kraxel.org (ovpn-116-22.ams2.redhat.com [10.36.116.22]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id sBGDKMRc026360; Tue, 16 Dec 2014 08:20:23 -0500 Received: by nilsson.home.kraxel.org (Postfix, from userid 500) id 5FFE382CC1; Tue, 16 Dec 2014 14:20:20 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Tue, 16 Dec 2014 14:20:02 +0100 Message-Id: <1418736006-30264-7-git-send-email-kraxel@redhat.com> In-Reply-To: <1418736006-30264-1-git-send-email-kraxel@redhat.com> References: <1418736006-30264-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Gerd Hoffmann Subject: [Qemu-devel] [PATCH v3 06/10] vnc: update docs/multiseat.txt X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org vnc joins the party ;) Also some s/head/seat/ to clarify. Signed-off-by: Gerd Hoffmann --- docs/multiseat.txt | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/docs/multiseat.txt b/docs/multiseat.txt index 67151e0..b963665 100644 --- a/docs/multiseat.txt +++ b/docs/multiseat.txt @@ -7,7 +7,7 @@ host side First you must compile qemu with a user interface supporting multihead/multiseat and input event routing. Right now this -list includes sdl2 and gtk (both 2+3): +list includes sdl2, gtk (both 2+3) and vnc: ./configure --enable-sdl --with-sdlabi=2.0 @@ -16,16 +16,16 @@ or ./configure --enable-gtk -Next put together the qemu command line: +Next put together the qemu command line (sdk/gtk): qemu -enable-kvm -usb $memory $disk $whatever \ -display [ sdl | gtk ] \ -vga std \ -device usb-tablet -That is it for the first head, which will use the standard vga, the +That is it for the first seat, which will use the standard vga, the standard ps/2 keyboard (implicitly there) and the usb-tablet. Now the -additional switches for the second head: +additional switches for the second seat: -device pci-bridge,addr=12.0,chassis_nr=2,id=head.2 \ -device secondary-vga,bus=head.2,addr=02.0,id=video.2 \ @@ -47,6 +47,16 @@ in a separate tab. You can either simply switch tabs to switch heads, or use the "View / Detach tab" menu item to move one of the displays to its own window so you can see both display devices side-by-side. +For vnc some additional configuration on the command line is needed. +We'll create two vnc server instances, and bind the second one to the +second seat, simliar to input devices: + + -display vnc=:1,id=primary \ + -display vnc=:2,id=secondary,display=video.2 + +Connecting to vnc display :1 gives you access to the first seat, and +likewise connecting to vnc display :2 shows the second seat. + Note on spice: Spice handles multihead just fine. But it can't do multiseat. For tablet events the event source is sent to the spice agent. But qemu can't figure it, so it can't do input routing.