From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Graf Subject: Re: [PATCH] Add VirtIO Frame Buffer Support Date: Tue, 3 Nov 2009 07:22:54 +0100 Message-ID: References: <1257199759-2941-1-git-send-email-agraf@suse.de> <4AEFCBED.50804@redhat.com> Mime-Version: 1.0 (Apple Message framework v1076) Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4AEFCBED.50804@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed"; delsp="yes" To: Avi Kivity Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, linux-fbdev-devel@lists.sourceforge.net, anthony@codemonkey.ws On 03.11.2009, at 07:21, Avi Kivity wrote: > On 11/03/2009 12:09 AM, Alexander Graf wrote: >> When we want to create a full VirtIO based machine, we're still >> missing >> graphics output. Fortunately, Linux provides us with most of the >> frameworks >> to render text and everything, we only need to implement a transport. >> >> So this is a frame buffer backend written for VirtIO. Using this >> and my >> patch to qemu, you can use paravirtualized graphics. >> >> > > What does this do that cirrus and/or vmware-vga don't? Work on non-MMIO machines. >> This is especially important on machines that can't do MMIO, as all >> current >> graphics implementations qemu emulates I'm aware of so far fail here. >> > > s390 virtual desktops? Well - have you ever tried installing SLES / RHEL on an S390? If not, give it a shot and comment again :-) Alex From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1N5CnJ-0000mP-Tr for qemu-devel@nongnu.org; Tue, 03 Nov 2009 01:23:05 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1N5CnE-0000k9-OU for qemu-devel@nongnu.org; Tue, 03 Nov 2009 01:23:05 -0500 Received: from [199.232.76.173] (port=45667 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N5CnE-0000k3-BH for qemu-devel@nongnu.org; Tue, 03 Nov 2009 01:23:00 -0500 Received: from cantor2.suse.de ([195.135.220.15]:42958 helo=mx2.suse.de) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1N5CnD-0001IA-Ua for qemu-devel@nongnu.org; Tue, 03 Nov 2009 01:23:00 -0500 Mime-Version: 1.0 (Apple Message framework v1076) Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes From: Alexander Graf In-Reply-To: <4AEFCBED.50804@redhat.com> Date: Tue, 3 Nov 2009 07:22:54 +0100 Content-Transfer-Encoding: 7bit Message-Id: References: <1257199759-2941-1-git-send-email-agraf@suse.de> <4AEFCBED.50804@redhat.com> Subject: [Qemu-devel] Re: [PATCH] Add VirtIO Frame Buffer Support List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: linux-fbdev-devel@lists.sourceforge.net, qemu-devel@nongnu.org, kvm@vger.kernel.org On 03.11.2009, at 07:21, Avi Kivity wrote: > On 11/03/2009 12:09 AM, Alexander Graf wrote: >> When we want to create a full VirtIO based machine, we're still >> missing >> graphics output. Fortunately, Linux provides us with most of the >> frameworks >> to render text and everything, we only need to implement a transport. >> >> So this is a frame buffer backend written for VirtIO. Using this >> and my >> patch to qemu, you can use paravirtualized graphics. >> >> > > What does this do that cirrus and/or vmware-vga don't? Work on non-MMIO machines. >> This is especially important on machines that can't do MMIO, as all >> current >> graphics implementations qemu emulates I'm aware of so far fail here. >> > > s390 virtual desktops? Well - have you ever tried installing SLES / RHEL on an S390? If not, give it a shot and comment again :-) Alex