> From: Nicolin Chen <nicolinc@xxxxxxxxxx> > Sent: Sunday, May 18, 2025 11:22 AM > > The hw_info uAPI will support a bidirectional data_type field that can be > used as an input field for user space to request for a specific info data. > > To prepare for the uAPI update, change the iommu layer first: > - Add a new IOMMU_HW_INFO_TYPE_DEFAULT as an input, for which driver > can > output its only (or firstly) supported type > - Update the kdoc accordingly > - Roll out the type validation in the existing drivers > > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
