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

[Nicolin Chen]

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 :)

Thanks
Nicolin