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Date: Tue, 16 Mar 2021 09:22:11 +0100 From: Auger Eric <eric.auger@...hat.com> To: Krishna Reddy <vdumpa@...dia.com>, "eric.auger.pro@...il.com" <eric.auger.pro@...il.com>, "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "kvm@...r.kernel.org" <kvm@...r.kernel.org>, "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>, "will@...nel.org" <will@...nel.org>, "joro@...tes.org" <joro@...tes.org>, "maz@...nel.org" <maz@...nel.org>, "robin.murphy@....com" <robin.murphy@....com>, "alex.williamson@...hat.com" <alex.williamson@...hat.com> Cc: "jean-philippe@...aro.org" <jean-philippe@...aro.org>, "vivek.gautam@....com" <vivek.gautam@....com>, "zhangfei.gao@...aro.org" <zhangfei.gao@...aro.org>, Sachin Nikam <Snikam@...dia.com>, Yu-Huan Hsu <YHsu@...dia.com>, Bryan Huntsman <bhuntsman@...dia.com>, Vikram Sethi <vsethi@...dia.com> Subject: Re: [PATCH v13 00/15] SMMUv3 Nested Stage Setup (IOMMU part) Hi Krishna, On 3/15/21 7:04 PM, Krishna Reddy wrote: > Tested-by: Krishna Reddy <vdumpa@...dia.com> > >> 1) pass the guest stage 1 configuration > > Validated Nested SMMUv3 translations for NVMe PCIe device from Guest VM along with patch series "v11 SMMUv3 Nested Stage Setup (VFIO part)" and QEMU patch series "vSMMUv3/pSMMUv3 2 stage VFIO integration" from v5.2.0-2stage-rfcv8. > NVMe PCIe device is functional with 2-stage translations and no issues observed. Thank you very much for your testing efforts. For your info, there are more recent kernel series: [PATCH v14 00/13] SMMUv3 Nested Stage Setup (IOMMU part) (Feb 23) [PATCH v12 00/13] SMMUv3 Nested Stage Setup (VFIO part) (Feb 23) working along with QEMU RFC [RFC v8 00/28] vSMMUv3/pSMMUv3 2 stage VFIO integration (Feb 25) If you have cycles to test with those, this would be higly appreciated. Thanks Eric > > -KR >
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