On 04/06/2018 04:15 AM, Andrea Bolognani wrote:
> On Wed, 2018-04-04 at 10:58 +0200, Andrea Bolognani wrote:
>> On Tue, 2018-04-03 at 19:13 -0400, John Ferlan wrote:
>>> Is there something else perhaps a few paragraphs later that could be
>>> added to say what this is and how/when/why someone should want to use
>>> it? Including the restriction about slot=0 (whatever the FLA SHPC is)...
>>> Similar to dmi-to-pci-bridge... Perhaps something that would already be
>>> there considering my patch 1 comment for a description field or some
>>> sort of relationship matrix...
>> Yeah, I realized today that there's some documentation for the
>> existing behavior of adding a dmi-to-pci-bridge that will need to
>> tweaked in this patch to address the changes... Once that's been
>> taken care of, I don't think there will be much to add, though.
> I've come up with the diff below, which I plan to squash in patch
> 8/11, when the change in behavior it documents is implemented. I
> have also converted the list of models to a <ul>, as agreed upon in
> the review for patch 1/11.
> Since patch 3/11 is really just an independent cleanup which doesn't
> need to hold up the new feature, I plan to go ahead and push the
> rest of the series (with the changes described above) later today.
> Is that okay with you, or would you rather see a full v2 posted on
> the list?

Your plan is fine by me.


> diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
> index 84059737d5..a5a83f56c3 100644
> --- a/docs/formatdomain.html.in
> +++ b/docs/formatdomain.html.in
> @@ -4114,10 +4114,14 @@
>        devices (although libvirt will never auto-assign a PCI device to
>        a PCIe slot, it will allow manual specification of such an
>        assignment). Devices connected to pcie-root cannot be
> -      hotplugged. In order to make standard PCI slots available on a
> -      system which has a pcie-root controller, a pci controller
> -      with <code>model='dmi-to-pci-bridge'</code> is automatically
> -      added, usually at the defacto standard location of slot=0x1e. A
> +      hotplugged. If traditional PCI devices are present in the guest
> +      configuration, a <code>pcie-to-pci-bridge</code> controller will
> +      automatically be added: this controller, which plugs into a
> +      <code>pcie-root-port</code>, provides 31 usable PCI slots (1-31) with
> +      hotplug support (<span class="since">since 4.3.0</span>). If the QEMU
> +      binary doesn't support the corresponding device, then a
> +      <code>dmi-to-pci-bridge</code> controller will be added instead,
> +      usually at the defacto standard location of slot=0x1e. A
>        dmi-to-pci-bridge controller plugs into a PCIe slot (as provided
>        by pcie-root), and itself provides 31 standard PCI slots (which
>        also do not support device hotplug). In order to have

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