On Mon, 29 Sep 2025 14:36:23 +0100
Shameer Kolothum <[email protected]> wrote:

> For accelerated SMMUv3, we need nested parent domain creation. Add the
> callback support so that VFIO can create a nested parent.
> 
> In the accelerated SMMUv3 case, the host SMMUv3 is configured in nested
> mode (S1 + S2), and the guest owns the Stage-1 page table. Therefore, we
> expose only Stage-1 to the guest to ensure it uses the correct page-table
> format.
> 
> Reviewed-by: Nicolin Chen <[email protected]>
> Signed-off-by: Shameer Kolothum <[email protected]>
> Signed-off-by: Shameer Kolothum <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>



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