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From: Marcel Apfelbaum <marcel@redhat.com>
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Date: Tue, 6 Sep 2016 17:47:36 +0300
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Subject: Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement
 guidelines
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To: Gerd Hoffmann <kraxel@redhat.com>, Laszlo Ersek <lersek@redhat.com>
Cc: qemu-devel@nongnu.org, mst@redhat.com, Peter Maydell <peter.maydell@linaro.org>, Drew Jones <drjones@redhat.com>, Laine Stump <laine@redhat.com>, Andrea Bolognani <abologna@redhat.com>, Alex Williamson <alex.williamson@redhat.com>

On 09/06/2016 02:35 PM, Gerd Hoffmann wrote:
>   Hi,
>
>>> +Plug only legacy PCI devices as Root Complex Integrated Devices
>>> +even if the PCIe spec does not forbid PCIe devices.
>>
>> I suggest "even though the PCI Express spec does not forbid PCI Express
>> devices as Integrated Devices". (Detail is good!)
>
> While talking about integrated devices:  There is docs/q35-chipset.cfg,
> which documents how to mimic q35 with integrated devices as close and
> complete as possible.
>
> Usage:
>   qemu-system-x86_64 -M q35 -readconfig docs/q35-chipset.cfg $args
>
> Side note for usb: In practice you don't want to use the tons of
> uhci/ehci controllers present in the original q35 but plug xhci into one
> of the pcie root ports instead (unless your guest doesn't support xhci).
>

Hi Gerd,

Thanks for the comments, I'll be sure to refer them in the doc.
Marcel


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