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(-) >>>