From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51297) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XSFgp-0001Bv-Ey for qemu-devel@nongnu.org; Thu, 11 Sep 2014 21:30:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XSFgi-0007jZ-0I for qemu-devel@nongnu.org; Thu, 11 Sep 2014 21:30:19 -0400 Received: from mail-pa0-f53.google.com ([209.85.220.53]:63347) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XSFgh-0007jP-RF for qemu-devel@nongnu.org; Thu, 11 Sep 2014 21:30:11 -0400 Received: by mail-pa0-f53.google.com with SMTP id rd3so72993pab.26 for ; Thu, 11 Sep 2014 18:30:10 -0700 (PDT) Message-ID: <54124C99.8040504@ozlabs.ru> Date: Fri, 12 Sep 2014 11:30:01 +1000 From: Alexey Kardashevskiy MIME-Version: 1.0 References: <1410262487-24079-1-git-send-email-aik@ozlabs.ru> <1410470418.2982.354.camel@ul30vt.home> In-Reply-To: <1410470418.2982.354.camel@ul30vt.home> Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 0/2] vfio: Another try to fix ROM BAR endianness List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alex Williamson Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Nikunj A Dadhania , Alexander Graf On 09/12/2014 07:20 AM, Alex Williamson wrote: > On Tue, 2014-09-09 at 21:34 +1000, Alexey Kardashevskiy wrote: >> I did some tests on LE/BE guest/host combinations and came up with >> these 2 patches. Please comment. Thanks. > > Have you tried BE guest/LE host? Yes. > IIRC, the g3beige tcg guest on x86 > host used to work with a vfio-pci NIC. The ROM is of course typically > useless in this mode, but it would be nice to make sure we haven't > broken BAR access for that combination. Do we have any better BE tcg > targets with PCI support these days? Thanks, pseries? PPC64 TCG can do VFIO. -- Alexey