From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <lersek@redhat.com>
Received-SPF: Pass (sender SPF authorized) identity=mailfrom;
 client-ip=66.187.233.73; helo=mx1.redhat.com; envelope-from=lersek@redhat.com;
 receiver=edk2-devel@lists.01.org 
Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by ml01.01.org (Postfix) with ESMTPS id 30A73209574CB
 for <edk2-devel@lists.01.org>; Mon,  5 Mar 2018 01:08:51 -0800 (PST)
Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com
 [10.11.54.4])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mx1.redhat.com (Postfix) with ESMTPS id 2DA86402314E;
 Mon,  5 Mar 2018 09:15:03 +0000 (UTC)
Received: from lacos-laptop-7.usersys.redhat.com (ovpn-120-64.rdu2.redhat.com
 [10.10.120.64])
 by smtp.corp.redhat.com (Postfix) with ESMTP id 7F8382024CAB;
 Mon,  5 Mar 2018 09:15:01 +0000 (UTC)
To: "Tiger Liu(BJ-RD)" <TigerLiu@zhaoxin.com>
References: <b6e6293bba0848169ef944b435d5dbb9@zhaoxin.com>
Cc: "'edk2-devel@lists.01.org'" <edk2-devel@lists.01.org>,
 Anthony Perard <anthony.perard@citrix.com>,
 Julien Grall <julien.grall@linaro.org>
From: Laszlo Ersek <lersek@redhat.com>
Message-ID: <9ca0e506-4319-2177-a0e8-bd153a4b0fac@redhat.com>
Date: Mon, 5 Mar 2018 10:15:00 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.6.0
MIME-Version: 1.0
In-Reply-To: <b6e6293bba0848169ef944b435d5dbb9@zhaoxin.com>
X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16
 (mx1.redhat.com [10.11.55.6]); Mon, 05 Mar 2018 09:15:03 +0000 (UTC)
X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]);
 Mon, 05 Mar 2018 09:15:03 +0000 (UTC) for IP:'10.11.54.4'
 DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com'
 HELO:'smtp.corp.redhat.com' FROM:'lersek@redhat.com' RCPT:''
Subject: Re: OVMF package : Question about Qemu/Xen support
X-BeenThere: edk2-devel@lists.01.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: EDK II Development  <edk2-devel.lists.01.org>
List-Unsubscribe: <https://lists.01.org/mailman/options/edk2-devel>,
 <mailto:edk2-devel-request@lists.01.org?subject=unsubscribe>
List-Archive: <http://lists.01.org/pipermail/edk2-devel/>
List-Post: <mailto:edk2-devel@lists.01.org>
List-Help: <mailto:edk2-devel-request@lists.01.org?subject=help>
List-Subscribe: <https://lists.01.org/mailman/listinfo/edk2-devel>,
 <mailto:edk2-devel-request@lists.01.org?subject=subscribe>
X-List-Received-Date: Mon, 05 Mar 2018 09:08:51 -0000
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit

On 03/05/18 06:49, Tiger Liu(BJ-RD) wrote:
> Hi, experts:
> I have a question about Ovmf.
> 
> Must Ovmf be run with qemu tool?
> Or It could be run with Xen without needed qemu software.
> 
> It seems Xen began to support uefi boot from 4.4 version.

- From the Xen wiki:

https://wiki.xenproject.org/wiki/OVMF

> One thing to have in mind is Xen supports both its own QEMU fork
> called qemu-traditional and upstream QEMU called qemu-xen. OVMF only
> supports the latter. Xen 4.4 has upstream QEMU configured for all HVM
> guests by default, so it is fine to not specify which QEMU to use in
> guest config file. But if you have already configured qemu-traditional
> for your guest you would need to delete / comment out that line.

See also

https://wiki.xenproject.org/wiki/Xen_Project_Release_Features#Device_Models_and_Virtual_Firmware

- I'm also CC'ing the OVMF reviewers for Xen (from the "Maintainers.txt"
file).

Thanks
Laszlo