23 May
2025
23 May
'25
8:04 a.m.
From: Nicolin Chen nicolinc@nvidia.com 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@nvidia.com
Reviewed-by: Kevin Tian kevin.tian@intel.com