From: CLEMENT MATHIEU--DRIF <clement.mathieu--drif@eviden.com>
To: "Duan, Zhenzhong" <zhenzhong.duan@intel.com>,
"Cédric Le Goater" <clg@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Cc: "jasowang@redhat.com" <jasowang@redhat.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
"Liu, Yi L" <yi.l.liu@intel.com>,
Joao Martins <joao.m.martins@oracle.com>,
Peter Xu <peterx@redhat.com>, Eric Auger <eric.auger@redhat.com>,
"eperezma@redhat.com" <eperezma@redhat.com>,
"Peng, Chao P" <chao.p.peng@intel.com>
Subject: Re: [PATCH intel_iommu 0/7] FLTS for VT-d
Date: Thu, 2 May 2024 05:03:44 +0000 [thread overview]
Message-ID: <f00d7bfa-91d0-4c58-8b7e-bd3dad477e9f@eviden.com> (raw)
In-Reply-To: <SJ0PR11MB6744D9C5BCFBA146FE09270492192@SJ0PR11MB6744.namprd11.prod.outlook.com>
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.liu@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 <clg@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(-)
>>>
next prev parent reply other threads:[~2024-05-02 5:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-22 15:52 [PATCH intel_iommu 0/7] FLTS for VT-d CLEMENT MATHIEU--DRIF
2024-04-22 15:52 ` [PATCH intel_iommu 2/7] intel_iommu: rename slpte to pte before adding FLTS CLEMENT MATHIEU--DRIF
2024-04-22 15:52 ` [PATCH intel_iommu 1/7] intel_iommu: fix FRCD construction macro CLEMENT MATHIEU--DRIF
2024-04-22 15:52 ` [PATCH intel_iommu 6/7] intel_iommu: add PASID-based IOTLB invalidation CLEMENT MATHIEU--DRIF
2024-04-22 15:52 ` [PATCH intel_iommu 3/7] intel_iommu: make types match CLEMENT MATHIEU--DRIF
2024-04-22 17:03 ` Philippe Mathieu-Daudé
2024-04-23 5:05 ` CLEMENT MATHIEU--DRIF
2024-04-23 8:19 ` Philippe Mathieu-Daudé
2024-04-23 15:17 ` CLEMENT MATHIEU--DRIF
2024-04-22 15:52 ` [PATCH intel_iommu 5/7] intel_iommu: extract device IOTLB invalidation logic CLEMENT MATHIEU--DRIF
2024-04-22 16:59 ` Philippe Mathieu-Daudé
2024-04-23 5:07 ` CLEMENT MATHIEU--DRIF
2024-04-22 15:52 ` [PATCH intel_iommu 7/7] intel_iommu: add a CLI option to enable FLTS CLEMENT MATHIEU--DRIF
2024-04-22 15:52 ` [PATCH intel_iommu 4/7] intel_iommu: add support for first-stage translation CLEMENT MATHIEU--DRIF
2024-04-30 14:04 ` [PATCH intel_iommu 0/7] FLTS for VT-d Philippe Mathieu-Daudé
2024-04-30 14:13 ` Cédric Le Goater
2024-05-01 12:40 ` Duan, Zhenzhong
2024-05-02 5:03 ` CLEMENT MATHIEU--DRIF [this message]
2024-05-06 1:38 ` Duan, Zhenzhong
2024-05-14 5:02 ` CLEMENT MATHIEU--DRIF
2024-05-14 5:50 ` Duan, Zhenzhong
2024-05-14 6:13 ` CLEMENT MATHIEU--DRIF
2024-06-02 14:10 ` Michael S. Tsirkin
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