> -----Original Message----- > From: Nicolin Chen [mailto:nicolinc@xxxxxxxxxx] > Sent: 09 February 2023 16:11 > To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@xxxxxxxxxx> > Cc: Yi Liu <yi.l.liu@xxxxxxxxx>; joro@xxxxxxxxxx; > alex.williamson@xxxxxxxxxx; jgg@xxxxxxxxxx; kevin.tian@xxxxxxxxx; > robin.murphy@xxxxxxx; cohuck@xxxxxxxxxx; eric.auger@xxxxxxxxxx; > kvm@xxxxxxxxxxxxxxx; mjrosato@xxxxxxxxxxxxx; > chao.p.peng@xxxxxxxxxxxxxxx; yi.y.sun@xxxxxxxxxxxxxxx; peterx@xxxxxxxxxx; > jasowang@xxxxxxxxxx; lulu@xxxxxxxxxx; suravee.suthikulpanit@xxxxxxx; > iommu@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > linux-kselftest@xxxxxxxxxxxxxxx; baolu.lu@xxxxxxxxxxxxxxx; > zhangfei.gao@xxxxxxxxxx > Subject: Re: [PATCH 00/17] Add Intel VT-d nested translation > > Hi Shameer, > > On Thu, Feb 09, 2023 at 10:11:42AM +0000, Shameerali Kolothum Thodi > wrote: > > > > This series first introduces new iommu op for allocating domains for > > > iommufd, > > > and op for syncing iotlb for first stage page table modifications, and then > > > add the implementation of the new ops in intel-iommu driver. After this > > > preparation, adds kernel-managed and user-managed hw_pagetable > > > allocation for > > > userspace. Last, add self-test for the new ioctls. > > > > > > This series is based on "[PATCH 0/6] iommufd: Add iommu capability > > > reporting"[1] > > > and Nicolin's "[PATCH v2 00/10] Add IO page table replacement > support"[2]. > > > Complete > > > code can be found in[3]. Draft Qemu code can be found in[4]. > > > > > > Basic test done with DSA device on VT-d. Where the guest has a vIOMMU > > > built > > > with nested translation. > > > Thanks for sending this out. Will go through this one. As I informed before > we keep > > an internal branch based on your work and rebase few patches to get the > ARM > > SMMUv3 nesting support. The recent one is based on your > "iommufd-v6.2-rc4-nesting" > > branch and is here, > > > > > https://github.com/hisilicon/kernel-dev/commits/iommufd-v6.2-rc4-nesting > -arm > > > > Just wondering any chance the latest "Add SMMUv3 nesting support" > series will > > be send out soon? Please let me know if you need any help with that. > > I had an initial discussion with Robin/Jason regarding the SMMUv3 > nesting series, and I received quite a few inputs so I'd need to > finish reworking before sending out -- hopefully we can see them > in the maillist in the following weeks. Thanks for that update. Sure, looking forward to it. Shameer
