Re: [PATCH] vfio powerpc: enabled on powernv platform

[Alexey Kardashevskiy]

On 13/12/12 13:29, Benjamin Herrenschmidt wrote:
> On Wed, 2012-12-12 at 07:34 -0700, Alex Williamson wrote:
> > > But what would I put there?... IOMMU ID is more than enough at the moment
> > > and struct iommu_table does not have anything what would have made sense to
> > > show in the sysfs...
> >
> > I believe David mentioned that PEs had user visible names.  Perhaps they
> > match an enclosure location or something.  Group numbers are rather
> > arbitrary and really have no guarantee of persistence.  Thanks,
>
> I agree. Make up something, for example domain[PE] or something like
> that.

To be able to add a PE number, I need to call iommu_group_alloc() in the 
correct place where I know this number OR I have to carry it in iommu_table 
till the moment the iommu_group_alloc() is called (acceptable but not cool).

I will post a patch which would help as a response to this mail.


--
Alexey
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