Hi Clement, Sorry for late response, just back from vacation. I saw your rebased version and thanks for your work. I'll schedule a timeslot to review them.
Thanks Zhenzhong >-----Original Message----- >From: CLEMENT MATHIEU--DRIF <clement.mathieu--d...@eviden.com> >Subject: Re: [PATCH intel_iommu 0/7] FLTS for VT-d > >Hi Zhenzhong, > >I will rebase, > >thanks > >On 01/05/2024 14:40, Duan, Zhenzhong wrote: >> Caution: External email. Do not open attachments or click links, unless this >email comes from a known sender and you know the content is safe. >> >> >> Ah, this is a duplicate effort on stage-1 translation. >> >> Hi Clement, >> >> We had ever sent a rfcv1 series "intel_iommu: Enable stage-1 translation" >> for both emulated and passthrough device, link: >> https://lists.gnu.org/archive/html/qemu-devel/2024-01/msg02740.html >> which now evolves to rfcv2, link: >> >https://github.com/yiliu1765/qemu/commits/zhenzhong/iommufd_nesting >_rfcv2/ >> >> It had addressed recent community comments, also the comments in old >history series: >> >https://patchwork.kernel.org/project/kvm/cover/20210302203827.437645 >-1-yi.l....@intel.com/ >> >> Would you mind rebasing your remaining part, i.e., ATS, PRI emulation, etc >on to our rfcv2? >> >> Thanks >> Zhenzhong >> >>> -----Original Message----- >>> From: Cédric Le Goater <c...@redhat.com> >>> Subject: Re: [PATCH intel_iommu 0/7] FLTS for VT-d >>> >>> Hello, >>> >>> Adding a few people in Cc: who are familiar with the Intel IOMMU. >>> >>> Thanks, >>> >>> C. >>> >>> >>> >>> >>> On 4/22/24 17:52, CLEMENT MATHIEU--DRIF wrote: >>>> This series is the first of a list that add support for SVM in the Intel >IOMMU. >>>> >>>> Here, we implement support for first-stage translation in VT-d. >>>> The PASID-based IOTLB invalidation is also added in this series as it is a >>>> requirement of FLTS. >>>> >>>> The last patch introduces the 'flts' option to enable the feature from >>>> the command line. >>>> Once enabled, several drivers of the Linux kernel use this feature. >>>> >>>> This work is based on the VT-d specification version 4.1 (March 2023) >>>> >>>> Here is a link to a GitHub repository where you can find the following >>> elements : >>>> - Qemu with all the patches for SVM >>>> - ATS >>>> - PRI >>>> - PASID based IOTLB invalidation >>>> - Device IOTLB invalidations >>>> - First-stage translations >>>> - Requests with already translated addresses >>>> - A demo device >>>> - A simple driver for the demo device >>>> - A userspace program (for testing and demonstration purposes) >>>> >>>> https://github.com/BullSequana/Qemu-in-guest-SVM-demo >>>> >>>> Clément Mathieu--Drif (7): >>>> intel_iommu: fix FRCD construction macro. >>>> intel_iommu: rename slpte to pte before adding FLTS >>>> intel_iommu: make types match >>>> intel_iommu: add support for first-stage translation >>>> intel_iommu: extract device IOTLB invalidation logic >>>> intel_iommu: add PASID-based IOTLB invalidation >>>> intel_iommu: add a CLI option to enable FLTS >>>> >>>> hw/i386/intel_iommu.c | 655 ++++++++++++++++++++++++++- >----- >>> - >>>> hw/i386/intel_iommu_internal.h | 114 ++++-- >>>> include/hw/i386/intel_iommu.h | 3 +- >>>> 3 files changed, 609 insertions(+), 163 deletions(-) >>>>
