On 13/05/2019 17:50, Auger Eric wrote: >> struct iommu_inv_pasid_info { >> #define IOMMU_INV_PASID_FLAGS_PASID (1 << 0) >> #define IOMMU_INV_PASID_FLAGS_ARCHID (1 << 1) >> __u32 flags; >> __u32 archid; >> __u64 pasid; >> }; > I agree it does the job now. However it looks a bit strange to do a > PASID based invalidation in my case - SMMUv3 nested stage - where I > don't have any PASID involved. > > Couldn't we call it context based invalidation then? A context can be > tagged by a PASID or/and an ARCHID.
I think calling it "context" would be confusing as well (I shouldn't have used it earlier), since VT-d uses that name for device table entries (=STE on Arm SMMU). Maybe "addr_space"? Thanks, Jean > > Domain invalidation would invalidate all the contexts belonging to that > domain. > > Thanks > > Eric