From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:55845) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TbA7Q-0007hl-Ud for qemu-devel@nongnu.org; Wed, 21 Nov 2012 08:13:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TbA7P-0006Ss-C7 for qemu-devel@nongnu.org; Wed, 21 Nov 2012 08:13:32 -0500 Received: from mail-la0-f45.google.com ([209.85.215.45]:43249) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TbA7P-0006SU-41 for qemu-devel@nongnu.org; Wed, 21 Nov 2012 08:13:31 -0500 Received: by mail-la0-f45.google.com with SMTP id p9so3576517laa.4 for ; Wed, 21 Nov 2012 05:13:29 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20121120164144.GC31176@redhat.com> References: <20121120164144.GC31176@redhat.com> Date: Wed, 21 Nov 2012 14:13:28 +0100 Message-ID: From: lementec fabien Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Qemu-devel] TCP based PCIE request forwarding List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jason Baron Cc: qemu-devel@nongnu.org Hi, As far as I know, all the PCIE devices implemented here work with 256 bytes config header. Cheers, Fabien. 2012/11/20 Jason Baron : > On Fri, Nov 16, 2012 at 09:39:07AM +0100, lementec fabien wrote: >> Hi, >> >> I am a software engineer who works in an electronic group. Using QEMU >> to emulate devices allows me to start writing and testing LINUX software >> before the device is actually available. In the group, we are mostly >> working with XILINX FPGAs, communicating with the host via PCIE. The >> devices are implemented in VHDL. > > As you know the current PCI config space is limited to 256 bytes on x86. I was > wondering then, if you needed to work around this limitation in any way > since you've mentioned you're using PCIE (which has a 4k config space)? > > Thanks, > > -Jason >