On Sat, Sep 23, 2023 at 02:24:57AM +0100, Joao Martins wrote: > @@ -56,6 +61,13 @@ struct iommu_test_cmd { > /* out_idev_id is the standard iommufd_bind object */ > __u32 out_idev_id; > } mock_domain; > + struct { > + __u32 out_stdev_id; > + __u32 out_hwpt_id; > + __u32 out_idev_id; > + /* Expand mock_domain to set mock device flags */ > + __u32 dev_flags; > + } mock_domain_flags; I wonder if this is really needed? Did this change make the struct bigger? Jason