On Thu, Aug 17, 2023 at 07:24:44AM +0000, Tian, Kevin wrote: > > > From: Liu, Yi L <yi.l.liu@xxxxxxxxx> > > Sent: Wednesday, August 16, 2023 8:14 PM > > > > Different IOMMU hardware would have different hardware information. So > > the > > information reported differs as well. To let the external user understand > > the difference. enum iommu_hw_info_type is defined. For the iommu > > s/difference. enum/difference, enum/ > > > + * @hw_info: IOMMU hardware information. The type of the returned data > > is > > + * marked by the output type of this op. Type is one of > > + * enum iommu_hw_info_type defined in > > include/uapi/linux/iommufd.h. > > + * The drivers that support this op should define a unique type > > + * in include/uapi/linux/iommufd.h. The data buffer returned by this > > + * op is allocated in the IOMMU driver and the caller should free it > > + * after use. Return the data buffer if success, or ERR_PTR on > > + * failure. > > simplified as: > > @hw_info: report iommu hardware information. The data buffer returned by > this op is allocated in the iommu driver and freed by the caller > after use. The information type is one of enum iommu_hw_info_type > defined in include/uapi/linux/iommufd.h. > > Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> Done. Thanks!
