[PATCH v2 7/8] iommu/arm-smmu-v3: Implement IOMMU_HWPT_ALLOC_NEST_PARENT

[Nicolin Chen]

On Tue, Aug 27, 2024 at 12:51:37PM -0300, Jason Gunthorpe wrote:
> For SMMUv3 the parent must be a S2 domain, which can be composed
> into a IOMMU_DOMAIN_NESTED.
> 
> In future the S2 parent will also need a VMID linked to the VIOMMU and
> even to KVM.
> 
> Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>

Reviewed-by: Nicolin Chen <nicolinc at nvidia.com>