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From: Andrea Bolognani <abologna@redhat.com>
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>
Subject: Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines
Date: Tue, 11 Oct 2016 15:30:05 +0200	[thread overview]
Message-ID: <1476192605.3672.13.camel@redhat.com> (raw)
In-Reply-To: <781e71ff-b67d-ebf1-a51c-baba3edce1fd@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?
> > > 
> > > It supports only PCI Express Root Ports. It does not
> > > support Integrated Devices.
> > 
> > So no PCI Express Switch Upstream Ports?
> 
> 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?
> 
> 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.

-- 
Andrea Bolognani / Red Hat / Virtualization

  reply	other threads:[~2016-10-11 13:30 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-01 13:22 [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines Marcel Apfelbaum
2016-09-01 13:27 ` Peter Maydell
2016-09-01 13:51   ` Marcel Apfelbaum
2016-09-01 17:14     ` Laszlo Ersek
2016-09-05 16:24 ` Laszlo Ersek
2016-09-05 20:02   ` Marcel Apfelbaum
2016-09-06 13:31     ` Laszlo Ersek
2016-09-06 14:46       ` Marcel Apfelbaum
2016-09-07  6:21       ` Gerd Hoffmann
2016-09-07  8:06         ` Laszlo Ersek
2016-09-07  8:23           ` Marcel Apfelbaum
2016-09-07  8:06         ` Marcel Apfelbaum
2016-09-07 16:08           ` Alex Williamson
2016-09-07 19:32             ` Marcel Apfelbaum
2016-09-07 17:55           ` Laine Stump
2016-09-07 19:39             ` Marcel Apfelbaum
2016-09-07 20:34               ` Laine Stump
2016-09-15  8:38               ` Andrew Jones
2016-09-15 14:20                 ` Marcel Apfelbaum
2016-09-16 16:50                   ` Andrea Bolognani
2016-09-08  7:33             ` Gerd Hoffmann
2016-09-06 11:35   ` Gerd Hoffmann
2016-09-06 13:58     ` Laine Stump
2016-09-07  7:04       ` Gerd Hoffmann
2016-09-07 18:20         ` Laine Stump
2016-09-08  7:26           ` Gerd Hoffmann
2016-09-06 14:47     ` Marcel Apfelbaum
2016-09-07  7:53     ` Laszlo Ersek
2016-09-07  7:57       ` Marcel Apfelbaum
2016-10-04 14:59   ` Daniel P. Berrange
2016-10-04 15:40     ` Laszlo Ersek
2016-10-04 16:10       ` Laine Stump
2016-10-04 16:43         ` Laszlo Ersek
2016-10-04 18:08           ` Laine Stump
2016-10-04 18:52             ` Alex Williamson
2016-10-10 12:02               ` Andrea Bolognani
2016-10-10 14:36                 ` Marcel Apfelbaum
2016-10-11 15:37                   ` Andrea Bolognani
2016-10-04 18:56             ` Laszlo Ersek
2016-10-04 17:54         ` Laine Stump
2016-10-05  9:17           ` Marcel Apfelbaum
2016-10-10 11:09             ` Andrea Bolognani
2016-10-10 14:15               ` Marcel Apfelbaum
2016-10-11 13:30                 ` Andrea Bolognani [this message]
2016-10-04 15:45     ` Alex Williamson
2016-10-04 16:25       ` Laine Stump
2016-10-05 10:03         ` Marcel Apfelbaum
2016-09-06 15:38 ` Alex Williamson
2016-09-06 18:14   ` Marcel Apfelbaum
2016-09-06 18:32     ` Alex Williamson
2016-09-06 18:59       ` Marcel Apfelbaum
2016-09-07  7:44       ` Laszlo Ersek

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