> From: Peter Xu
> Sent: Thursday, March 26, 2020 9:23 PM
> To: Liu, Yi L
> Subject: Re: [PATCH v1 20/22] intel_iommu: propagate PASID-based iotlb
> invalidation to host
>
> On Thu, Mar 26, 2020 at 09:02:48AM -0400, Peter Xu wrote:
>
> [...]
>
&
> From: Peter Xu
> Sent: Thursday, March 26, 2020 9:03 PM
> To: Liu, Yi L
> Subject: Re: [PATCH v1 20/22] intel_iommu: propagate PASID-based iotlb
> invalidation to host
>
> On Thu, Mar 26, 2020 at 05:41:39AM +, Liu, Yi L wrote:
> > > From: Liu, Yi L
> >
On Thu, Mar 26, 2020 at 09:02:48AM -0400, Peter Xu wrote:
[...]
> > > > > +static inline bool vtd_pasid_cache_valid(
> > > > > + VTDPASIDAddressSpace *vtd_pasid_as) {
> > > > > +return vtd_pasid_as->iommu_state &&
> ^
>
> >
On Thu, Mar 26, 2020 at 05:41:39AM +, Liu, Yi L wrote:
> > From: Liu, Yi L
> > Sent: Wednesday, March 25, 2020 9:22 PM
> > To: 'Peter Xu'
> > Subject: RE: [PATCH v1 20/22] intel_iommu: propagate PASID-based iotlb
> > invalidation to host
> >
>
> From: Liu, Yi L
> Sent: Wednesday, March 25, 2020 9:22 PM
> To: 'Peter Xu'
> Subject: RE: [PATCH v1 20/22] intel_iommu: propagate PASID-based iotlb
> invalidation to host
>
> > From: Peter Xu
> > Sent: Wednesday, March 25, 2020 2:34 AM
> > T
> From: Peter Xu
> Sent: Wednesday, March 25, 2020 2:34 AM
> To: Liu, Yi L
> Subject: Re: [PATCH v1 20/22] intel_iommu: propagate PASID-based iotlb
> invalidation to host
>
> On Sun, Mar 22, 2020 at 05:36:17AM -0700, Liu Yi L wrote:
> > This patch propagates PASID-
On Sun, Mar 22, 2020 at 05:36:17AM -0700, Liu Yi L wrote:
> This patch propagates PASID-based iotlb invalidation to host.
>
> Intel VT-d 3.0 supports nested translation in PASID granular.
> Guest SVA support could be implemented by configuring nested
> translation on specific PASID. This is also k
This patch propagates PASID-based iotlb invalidation to host.
Intel VT-d 3.0 supports nested translation in PASID granular.
Guest SVA support could be implemented by configuring nested
translation on specific PASID. This is also known as dual stage
DMA translation.
Under such configuration, guest
