[RFC PATCH v2 09/10] iommu/dma: Support MSIs through nested domains

[Zong Li]

On Sat, Jun 15, 2024 at 2:12 AM Nicolin Chen <nicolinc at nvidia.com> wrote:
>
> On Fri, Jun 14, 2024 at 10:21:55PM +0800, Zong Li wrote:
> > From: Robin Murphy <robin.murphy at arm.com>
> >
> > Currently, iommu-dma is the only place outside of IOMMUFD and drivers
> > which might need to be aware of the stage 2 domain encapsulated within
> > a nested domain. This would be in the legacy-VFIO-style case where we're
> > using host-managed MSIs with an identity mapping at stage 1, where it is
> > the underlying stage 2 domain which owns an MSI cookie and holds the
> > corresponding dynamic mappings. Hook up the new op to resolve what we
> > need from a nested domain.
> >
> > Signed-off-by: Robin Murphy <robin.murphy at arm.com>
> > Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>
>
> I think there should be your Signed-off line at the end since you
> act as a submitter :)

Got it, add it in the next version, thanks.

>
> Thanks
> Nicolin