Hi Yi,
On 12/20/19 7:44 PM, Liu, Yi L wrote:
From: Lu Baolu [mailto:baolu...@linux.intel.com]
Sent: Thursday, December 19, 2019 11:17 AM
To: Joerg Roedel ; David Woodhouse ;
Alex Williamson
Subject: [PATCH v4 4/7] iommu/vt-d: Setup pasid entries for iova over first
level
Intel VT-d in
> From: Lu Baolu [mailto:baolu...@linux.intel.com]
> Sent: Thursday, December 19, 2019 11:17 AM
> To: Joerg Roedel ; David Woodhouse ;
> Alex Williamson
> Subject: [PATCH v4 4/7] iommu/vt-d: Setup pasid entries for iova over first
> level
>
> Intel VT-d in scalable mo
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
