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Age	Commit message (Collapse)	Author
2018-07-20	iommu/vt-d: Per PCI device pasid table interfaces	Lu Baolu
	This patch adds the interfaces for per PCI device pasid table management. Currently we allocate one pasid table for all PCI devices under the scope of an IOMMU. It's insecure in some cases where multiple devices under one single IOMMU unit support PASID features. With per PCI device pasid table, we can achieve finer protection and isolation granularity. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Kevin Tian <kevin.tian@intel.com> Cc: Liu Yi L <yi.l.liu@intel.com> Suggested-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Liu Yi L <yi.l.liu@intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2018-07-20	iommu/vt-d: Global PASID name space	Lu Baolu
	This adds the system wide PASID name space for the PASID allocation. Currently we are using per IOMMU PASID name spaces which are not suitable for some use cases. For an example, one application (associated with a PASID) might talk to two physical devices simultaneously while the two devices could reside behind two different IOMMU units. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Kevin Tian <kevin.tian@intel.com> Cc: Liu Yi L <yi.l.liu@intel.com> Suggested-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Liu Yi L <yi.l.liu@intel.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>