iommu/vt-d: Setup pasid entries for iova over first level

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Intel VT-d in scalable mode supports two types of page tables for
IOVA translation: first level and second level. The IOMMU driver
can choose one from both for IOVA translation according to the use
case. This sets up the pasid entry if a domain is selected to use
the first-level page table for iova translation.

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 08:18:17 +08:00 • committed by Joerg Roedel

parent 87208f22a4

commit ddf09b6d43

2 changed files with 62 additions and 11 deletions

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57

drivers/iommu/intel-iommu.c

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16

include/linux/intel-iommu.h

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