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Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines
From: |
Andrea Bolognani |
Subject: |
Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines |
Date: |
Tue, 11 Oct 2016 15:30:05 +0200 |
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
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, (continued)
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Laszlo Ersek, 2016/10/04
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Laine Stump, 2016/10/04
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Alex Williamson, 2016/10/04
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Andrea Bolognani, 2016/10/10
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Marcel Apfelbaum, 2016/10/10
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Laszlo Ersek, 2016/10/04
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Laine Stump, 2016/10/04
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Marcel Apfelbaum, 2016/10/05
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Andrea Bolognani, 2016/10/10
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Marcel Apfelbaum, 2016/10/10
- Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines,
Andrea Bolognani <=
Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines, Alex Williamson, 2016/10/04