Re: [PATCH v4 00/17] IOMMUFD Generic interface

Yi Liu
2022-11-12T12:44:36Z

Hi Shameer,

On 2022/11/11 23:51, Shameerali Kolothum Thodi wrote:
>
>
>> -----Original Message-----
>> From: Jason Gunthorpe [mailto:jgg@nvidia.com]
>> Sent: 08 November 2022 00:49
>> To: bpf@vger.kernel.org; Jonathan Corbet <corbet@lwn.net>; David
>> Woodhouse <dwmw2@infradead.org>; iommu@lists.linux.dev; Joerg Roedel
>> <joro@8bytes.org>; Kevin Tian <kevin.tian@intel.com>;
>> linux-doc@vger.kernel.org; linux-kselftest@vger.kernel.org;
>> llvm@lists.linux.dev; Nathan Chancellor <nathan@kernel.org>; Nick
>> Desaulniers <ndesaulniers@google.com>; Miguel Ojeda <ojeda@kernel.org>;
>> Robin Murphy <robin.murphy@arm.com>; Shuah Khan <shuah@kernel.org>;
>> Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>; Tom Rix
>> <trix@redhat.com>; Will Deacon <will@kernel.org>
>> Cc: Alex Williamson <alex.williamson@redhat.com>; Lu Baolu
>> <baolu.lu@linux.intel.com>; Chaitanya Kulkarni <chaitanyak@nvidia.com>;
>> Cornelia Huck <cohuck@redhat.com>; Daniel Jordan
>> <daniel.m.jordan@oracle.com>; David Gibson
>> <david@gibson.dropbear.id.au>; Eric Auger <eric.auger@redhat.com>; Eric
>> Farman <farman@linux.ibm.com>; Jason Wang <jasowang@redhat.com>;
>> Jean-Philippe Brucker <jean-philippe@linaro.org>; Joao Martins
>> <joao.m.martins@oracle.com>; kvm@vger.kernel.org; Matthew Rosato
>> <mjrosato@linux.ibm.com>; Michael S. Tsirkin <mst@redhat.com>; Nicolin
>> Chen <nicolinc@nvidia.com>; Niklas Schnelle <schnelle@linux.ibm.com>;
>> Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>; Yi
>> Liu <yi.l.liu@intel.com>; zhukeqian <zhukeqian1@huawei.com>
>> Subject: [PATCH v4 00/17] IOMMUFD Generic interface
> [...]
>>
>> - Userspace page tables aka 'nested translation' for ARM and Intel iommu
>> drivers:
>> https://github.com/nicolinc/iommufd/commits/iommufd_nesting
>
> Hi Eric/Yi/Nicolin,
>
> Could you please provide a latest Kernel/Qemu branch for the ARM nesting support?
> The above link points to Yi's git, but not sure which one is latest/stable to
> have a play.

Nicolin and I are working on the new version for nesting support. Below
kernl branch is our latest progress so far. As the naming, it's still
wip. We also need to workout a Qemu version, so still need some time
before sharing with you.

https://github.com/yiliu1765/iommufd/tree/wip/iommufd-v6.1-rc3-nesting

--
Regards,
Yi Liu