On Sat, May 17, 2025 at 08:21:38PM -0700, Nicolin Chen wrote: > @@ -666,7 +678,7 @@ struct iommu_hw_info { > __u32 dev_id; > __u32 data_len; > __aligned_u64 data_uptr; > - __u32 out_data_type; > + __u32 data_type; It would be better to avoid changing this name, maybe stick a union around it? Jason