iommu/vt-d: Add set domain DOMAIN_ATTR_NESTING attr

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This adds the Intel VT-d specific callback of setting
DOMAIN_ATTR_NESTING domain attribution. It is necessary
to let the VT-d driver know that the domain represents
a virtual machine which requires the IOMMU hardware to
support nested translation mode. Return success if the
IOMMU hardware suports nested mode, otherwise failure.

Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Lu Baolu 2020-01-02 08:18:15 +08:00 • committed by Joerg Roedel

parent a1948f2e0a

commit 2cd1311a26

1 changed files with 56 additions and 0 deletions

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drivers/iommu/intel-iommu.c

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