> -----Original Message-----
> From: Tian, Kevin [mailto:kevin.t...@intel.com]
> Sent: 24 February 2018 03:02
> To: Paul Durrant <paul.durr...@citrix.com>; xen-devel@lists.xenproject.org
> Cc: Stefano Stabellini <sstabell...@kernel.org>; Wei Liu
> <wei.l...@citrix.com>; George Dunlap <george.dun...@citrix.com>;
> Andrew Cooper <andrew.coop...@citrix.com>; Ian Jackson
> <ian.jack...@citrix.com>; Tim (Xen.org) <t...@xen.org>; Jan Beulich
> <jbeul...@suse.com>
> Subject: RE: [Xen-devel] [PATCH 7/7] x86: add iommu_ops to map and
> unmap pages, and also to flush the IOTLB
[snip]
>
> >
> > ...so my plan is that the dom0 API picks a bfn, does the mapping and then
> > passes the bfn back to the caller.
> >
>
> A curious question. How to pass the domid from XenGT to pvIOMMU
> driver so the latter knows whether it's a local or remote mapping?
> Ideally pvIOMMU driver is registered to Linux IOMMU core layer,
> of which all existing API wrappers are only for local mapping today...
>
It may well be that, for remote mapping, that layer is just not appropriate.
I'll look into that when I get to that stage.
Cheers,
Paul
> Thanks
> Kevin
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