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| author | Liu, Yi L <yi.l.liu@intel.com> | 2019-03-05 10:34:53 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2019-03-12 22:31:21 -0400 |
| commit | fb43cf739e1a74178212bfcd4313b598109d2310 (patch) | |
| tree | ee9ecfe0efab65b7c5d441b68e3ddd560f018085 /scripts/qapi/types.py | |
| parent | b13919ab64e712158a031bf4ea48e92b20ed8ef5 (diff) | |
| download | focaccia-qemu-fb43cf739e1a74178212bfcd4313b598109d2310.tar.gz focaccia-qemu-fb43cf739e1a74178212bfcd4313b598109d2310.zip | |
intel_iommu: scalable mode emulation
Intel(R) VT-d 3.0 spec introduces scalable mode address translation to replace extended context mode. This patch extends current emulator to support Scalable Mode which includes root table, context table and new pasid table format change. Now intel_iommu emulates both legacy mode and scalable mode (with legacy-equivalent capability set). The key points are below: 1. Extend root table operations to support both legacy mode and scalable mode. 2. Extend context table operations to support both legacy mode and scalable mode. 3. Add pasid tabled operations to support scalable mode. Signed-off-by: Liu, Yi L <yi.l.liu@intel.com> [Yi Sun is co-developer to contribute much to refine the whole commit.] Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Message-Id: <1551753295-30167-2-git-send-email-yi.y.sun@linux.intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
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