From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:37911)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <abologna@redhat.com>) id 1btx8K-0005rm-4h
	for qemu-devel@nongnu.org; Tue, 11 Oct 2016 09:30:17 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <abologna@redhat.com>) id 1btx8E-0005Hn-4F
	for qemu-devel@nongnu.org; Tue, 11 Oct 2016 09:30:15 -0400
Received: from mx1.redhat.com ([209.132.183.28]:32794)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <abologna@redhat.com>) id 1btx8D-0005Fg-UH
	for qemu-devel@nongnu.org; Tue, 11 Oct 2016 09:30:10 -0400
Message-ID: <1476192605.3672.13.camel@redhat.com>
From: Andrea Bolognani <abologna@redhat.com>
Date: Tue, 11 Oct 2016 15:30:05 +0200
In-Reply-To: <781e71ff-b67d-ebf1-a51c-baba3edce1fd@redhat.com>
References: <1472736127-18137-1-git-send-email-marcel@redhat.com>
	<6c9103e7-70ad-55c6-5533-d6d9bbaa39b4@redhat.com>
	<20161004145911.GA2155@redhat.com>
	<2ea37764-7787-0b1b-5abb-9f8ba12a7080@redhat.com>
	<2db6a14f-731d-422d-a928-a856360406fd@redhat.com>
	<02c5ce65-3941-7816-f533-c8d6bc85073e@redhat.com>
	<640684d2-9200-d7bd-fbb4-22c4200c8364@redhat.com>
	<1476097762.3672.1.camel@redhat.com>
	<781e71ff-b67d-ebf1-a51c-baba3edce1fd@redhat.com>
Content-Type: text/plain; charset="UTF-8"
Mime-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Subject: Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement
 guidelines
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Marcel Apfelbaum <marcel@redhat.com>, Laine Stump <laine@redhat.com>, qemu-devel@nongnu.org
Cc: Laszlo Ersek <lersek@redhat.com>, "Daniel P. Berrange" <berrange@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Drew Jones <drjones@redhat.com>, mst@redhat.com, Alex Williamson <alex.williamson@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>

On Mon, 2016-10-10 at 17:15 +0300, Marcel Apfelbaum wrote:
> > > > 2) can you really only plug a pcie-root-port (ioh3420)
> > > > into a pxb-pcie? Or will it accept anything that pcie.0
> > > > accepts?
> > >=C2=A0
> > > It supports only PCI Express Root Ports. It does not
> > > support Integrated Devices.
> >=C2=A0
> > So no PCI Express Switch Upstream Ports?
>=C2=A0
> The switch upstream ports can only be plugged into PCIe Root Ports.
> There is an error in the RFC showing otherwise, it is already
> corrected in V1, not yet upstream.

I was pretty sure that was the case, but I wanted to
double-check just to be on the safe side ;)

> > What about DMI-to-PCI Bridges?
>=C2=A0
> Yes, the dmi-to-pci bridge can be plugged into the pxb-pcie, I'll
> be sure to emphasize it.

Cool. I would have been very surprised if that would have
not been the case, considering how we need to use multiple
pxb-pcie to link PCI devices to specific NUMA nodes.

--=C2=A0
Andrea Bolognani / Red Hat / Virtualization