RE: [PATCH v5 10/15] vfio/type1: Support binding guest page tables to PASID

2020-07-20 Thread Liu, Yi L
Hi Eric, > From: Auger Eric > Sent: Monday, July 20, 2020 5:37 PM > > Yi, > > On 7/12/20 1:21 PM, Liu Yi L wrote: > > Nesting translation allows two-levels/stages page tables, with 1st level > > for guest translations (e.g. GVA->GPA), 2nd level for host translations > > (e.g. GPA->HPA). This

Re: [PATCH v5 10/15] vfio/type1: Support binding guest page tables to PASID

2020-07-20 Thread Auger Eric
Yi, On 7/12/20 1:21 PM, Liu Yi L wrote: > Nesting translation allows two-levels/stages page tables, with 1st level > for guest translations (e.g. GVA->GPA), 2nd level for host translations > (e.g. GPA->HPA). This patch adds interface for binding guest page tables > to a PASID. This PASID must

[PATCH v5 10/15] vfio/type1: Support binding guest page tables to PASID

2020-07-12 Thread Liu Yi L
Nesting translation allows two-levels/stages page tables, with 1st level for guest translations (e.g. GVA->GPA), 2nd level for host translations (e.g. GPA->HPA). This patch adds interface for binding guest page tables to a PASID. This PASID must have been allocated to user space before the binding