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: Tue, 14 May 2024 06:13:58 +0000 [thread overview]
Message-ID: <af2ec9c9-c414-4e22-9e14-75241671c2a4@eviden.com> (raw)
In-Reply-To: <SJ0PR11MB67442E0DD7D336E2BC26A90F92E32@SJ0PR11MB6744.namprd11.prod.outlook.com>
Thanks ;)
>cmd
On 14/05/2024 07:50, 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.
>
>
> Hi Clement,
>
> I'll learn and try to give comments this week.
>
> Thanks
> Zhenzhong
>
>> -----Original Message-----
>> From: CLEMENT MATHIEU--DRIF <clement.mathieu--drif@eviden.com>
>> Subject: Re: [PATCH intel_iommu 0/7] FLTS for VT-d
>>
>> Hi Zhenzhong
>>
>> Have you had time to review the ATS series rebased on you FLTS patches?
>>
>> Thanks
>>> cmd
>>
>> On 06/05/2024 03:38, 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.
>>>
>>> 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--drif@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.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:[~2024-05-14 6:14 UTC|newest]
Thread overview: 24+ 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 1/7] intel_iommu: fix FRCD construction macro 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 7/7] intel_iommu: add a CLI option to enable FLTS 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 6/7] intel_iommu: add PASID-based IOTLB invalidation 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 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
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 [this message]
2024-06-02 14:10 ` Michael S. Tsirkin
2024-06-03 5:31 ` CLEMENT MATHIEU--DRIF
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