Re: [Xen-devel] [PATCH v7] VT-d: use correct BDF for VF to search VT-d unit

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.08.17 at 09:31, <roger.pau@xxxxxxxxxx> wrote:
> Maybe what I'm missing is whether it is possible to have a device with
> virtual functions that expand across several buses?

The typical (non-ARI) arrangement I've seen is for all VFs to always
live on buses different from the PF (which is quite obvious, as each
function of each device on a given bus may be a PF, and the max
number of VFs is quite a bit higher than 256 this way). I don't see
why ARI would change that.

Jan


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