From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=35514 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OmMIP-0003yA-5X for qemu-devel@nongnu.org; Fri, 20 Aug 2010 03:46:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OmMHp-0003JI-RP for qemu-devel@nongnu.org; Fri, 20 Aug 2010 03:45:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38448) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OmMHp-0003JA-K2 for qemu-devel@nongnu.org; Fri, 20 Aug 2010 03:45:13 -0400 Message-ID: <4C6E327B.4060505@redhat.com> Date: Fri, 20 Aug 2010 09:44:59 +0200 From: Gerd Hoffmann MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH - V3] Port codes from qemu-kvm to support booting from SCSI disk image References: <201008181608.55759.paul@codesourcery.com> <632E0D52-7618-4184-990D-2918E51A61BC@suse.de> In-Reply-To: <632E0D52-7618-4184-990D-2918E51A61BC@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf Cc: Paul Brook , Hai Shan Bai , qemu-devel@nongnu.org On 08/18/10 17:16, Alexander Graf wrote: > >> This has been discussed several times before. The proper solution >> is to teach the bios how to boot off SCSI devices. IIRC support for >> virtio devices already exists, implementing support for the SCSI >> controller shouldn't be that much harder. > > Couldn't we just have an option rom for the SCSI controller? The same > way the VGABIOS is a rewrite of a VGA BIOS for the Cirrus Logic... There already is one. Needs qemu 0.12.4 or newer. Unfortunaly it isn't redistributable, so we can't easily integrate it. Thus seabios support or a free option rom would still be nice to have. Fetch http://www.lsi.com/DistributionSystem/AssetDocument/files/support/ssp/sdms/Bios/lsi_bios.zip -> unzip -> boot with "-option-rom 8xx_64.rom" cheers, Gerd