> From: Liu, Yi L <yi.l.liu@xxxxxxxxx> > Sent: Thursday, February 9, 2023 12:17 PM > > From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > > To support nested translation in the userspace, it should check the > underlying hardware information for the capabilities. remove this sentence. that belongs to next patch. > + > +/** > + * struct iommu_device_info_vtd - Intel VT-d device info > + * > + * @flags: Must be set to 0 > + * @__reserved: Must be 0 > + * @cap_reg: Value of Intel VT-d capability register defined in chapter > + * 11.4.2 of Intel VT-d spec. > + * @ecap_reg: Value of Intel VT-d capability register defined in chapter > + * 11.4.3 of Intel VT-d spec. let's be specific with section name e.g. "11.4.2 Capability Register" so if the chapter index is changed later people can still know where to look at. > + * > + * Intel hardware iommu capability. duplicated with the first line "Intel VT-d device info"