to_smmu_nested_domain
to_smmu_nested_domain(domain);
kfree(to_smmu_nested_domain(domain));
return to_smmu_nested_domain(domain)->vsmmu->s2_parent;
nested_ats_flush = to_smmu_nested_domain(domain)->enable_ats;
state, to_smmu_nested_domain(new_domain));
to_smmu_nested_domain(new_domain)->enable_ats;