RE: [PATCH v2 16/19] intel_iommu: Propagate PASID-based iotlb invalidation to host

2025-06-26 Thread Duan, Zhenzhong
Hi Eric, >-Original Message- >From: Eric Auger >Subject: Re: [PATCH v2 16/19] intel_iommu: Propagate PASID-based iotlb >invalidation to host > >Hi Zhenzhong, > >On 6/20/25 9:18 AM, Zhenzhong Duan wrote: >> From: Yi Liu >> >> This traps the gu

Re: [PATCH v2 16/19] intel_iommu: Propagate PASID-based iotlb invalidation to host

2025-06-23 Thread Eric Auger
Hi Zhenzhong, On 6/20/25 9:18 AM, Zhenzhong Duan wrote: > From: Yi Liu > > This traps the guest PASID-based iotlb invalidation request and propagate it > to host. > > Intel VT-d 3.0 supports nested translation in PASID granular. Guest SVA > support s/granular/granularity > could be implemented b

[PATCH v2 16/19] intel_iommu: Propagate PASID-based iotlb invalidation to host

2025-06-20 Thread Zhenzhong Duan
From: Yi Liu This traps the guest PASID-based iotlb invalidation request and propagate it 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 transl