commit | 521f546b4e4cedfbfbb5787f940a592dd20dd1f2 | [log] [tgz] |
---|---|---|
author | Lu Baolu <baolu.lu@linux.intel.com> | Thu Jun 10 10:00:57 2021 +0800 |
committer | Joerg Roedel <jroedel@suse.de> | Thu Jun 10 09:06:12 2021 +0200 |
tree | d5924eb1eea3a89244118418ae89a770c7b29297 | |
parent | 879fcc6bda6956ce9574421c5f68ebbc794bf06b [diff] |
iommu/vt-d: Support asynchronous IOMMU nested capabilities Current VT-d implementation supports nested translation only if all underlying IOMMUs support the nested capability. This is unnecessary as the upper layer is allowed to create different containers and set them with different type of iommu backend. The IOMMU driver needs to guarantee that devices attached to a nested mode iommu_domain should support nested capabilility. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20210517065701.5078-1-baolu.lu@linux.intel.com Link: https://lore.kernel.org/r/20210610020115.1637656-6-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>