[libvirt] [PATCH] docs: Document how libvirt handles companion controllers

Eric Blake eblake at redhat.com
Thu Jul 16 19:57:40 UTC 2015


On 07/16/2015 05:46 AM, Martin Kletzander wrote:
> The information on companion controllers we give in our documentation is
> rather sparse.  For example, it looks like any controller can be used as
> a companion one.  Also, when using ich9-uhci2, for example, we are able
> to set some sensible defaults, but it might get confusing for the user
> as we don't do that for all controller models.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1069590
> 
> Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
> ---
>  docs/formatdomain.html.in | 5 +++++
>  1 file changed, 5 insertions(+)

ACK.

> 
> diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
> index 8cd8d09d204c..d0c174105081 100644
> --- a/docs/formatdomain.html.in
> +++ b/docs/formatdomain.html.in
> @@ -3005,6 +3005,11 @@
>        relationship of the companion to its master controller.
>        A companion controller is on the same bus as its master, so
>        the companion <code>index</code> value should be equal.
> +      Not all controller models can be used as companion controllers
> +      and libvirt might provide some sensible defaults (settings
> +      of <code>master startport</code> and <code>function</code> of an
> +      address) for some particular models.
> +      Preferred companion controllers are <code>ich-uhci[123]</code>.
>      </p>
> 
>  <pre>
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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