From: CLEMENT MATHIEU--DRIF <clement.mathieu--drif@eviden.com>
To: Yi Liu <yi.l.liu@intel.com>,
"Duan, Zhenzhong" <zhenzhong.duan@intel.com>,
Jason Wang <jasowang@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"clg@redhat.com" <clg@redhat.com>,
"eric.auger@redhat.com" <eric.auger@redhat.com>,
"mst@redhat.com" <mst@redhat.com>,
"peterx@redhat.com" <peterx@redhat.com>,
"jgg@nvidia.com" <jgg@nvidia.com>,
"nicolinc@nvidia.com" <nicolinc@nvidia.com>,
"joao.m.martins@oracle.com" <joao.m.martins@oracle.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
"Peng, Chao P" <chao.p.peng@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Eduardo Habkost <eduardo@habkost.net>,
Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Subject: Re: [PATCH v3 15/17] intel_iommu: Modify x-scalable-mode to be string option to expose scalable modern mode
Date: Mon, 4 Nov 2024 07:13:01 +0000 [thread overview]
Message-ID: <7d196f8b-221e-4b75-a10f-6297d91b8a27@eviden.com> (raw)
In-Reply-To: <bbcf1216-19b9-4d05-ba57-e451f3566f4f@intel.com>
On 04/11/2024 04:24, Yi Liu wrote:
> Caution: External email. Do not open attachments or click links,
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>
> On 2024/9/29 10:44, Duan, Zhenzhong wrote
>>>
>>> A question here:
>>>
>>> Are there any other major features that are still lacking for scalable
>>> mode? If not, maybe we can get rid of the "x" prefix?
>>
>> We don't support stage-1 and stage-2 coexist emulation and nested
>> translation emulation through stage-1 and stage-2 yet.
>>
>> Currently we only support either stage-1 or stage-2 in scalable mode,
>> one reason is supporting stage1 is enough for current usage,
>> the other reason is to simplify the nesting series
>> https://github.com/yiliu1765/qemu/tree/zhenzhong/iommufd_nesting_rfcv2
>> for review.
>
> PRI is also a missing part. :)
I'll send 2 series for ATS and PRI once this one is integrated.
Maybe we could consider removing the "x" prefix after that.
>
>
> --
> Regards,
> Yi Liu
next prev parent reply other threads:[~2024-11-04 7:14 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-11 5:22 [PATCH v3 00/17] intel_iommu: Enable stage-1 translation for emulated device Zhenzhong Duan
2024-09-11 5:22 ` [PATCH v3 01/17] intel_iommu: Use the latest fault reasons defined by spec Zhenzhong Duan
2024-09-27 0:12 ` Jason Wang
2024-09-11 5:22 ` [PATCH v3 02/17] intel_iommu: Make pasid entry type check accurate Zhenzhong Duan
2024-09-27 0:13 ` Jason Wang
2024-09-11 5:22 ` [PATCH v3 03/17] intel_iommu: Add a placeholder variable for scalable modern mode Zhenzhong Duan
2024-09-11 6:26 ` CLEMENT MATHIEU--DRIF
2024-09-11 8:38 ` Duan, Zhenzhong
2024-09-27 0:15 ` Jason Wang
2024-09-11 5:22 ` [PATCH v3 04/17] intel_iommu: Flush stage-2 cache in PASID-selective PASID-based iotlb invalidation Zhenzhong Duan
2024-09-11 6:54 ` CLEMENT MATHIEU--DRIF
2024-09-27 3:47 ` Jason Wang
2024-09-27 6:38 ` Duan, Zhenzhong
2024-09-11 5:22 ` [PATCH v3 05/17] intel_iommu: Rename slpte to pte Zhenzhong Duan
2024-09-27 3:47 ` Jason Wang
2024-09-29 12:43 ` Yi Liu
2024-09-30 3:43 ` Duan, Zhenzhong
2024-09-11 5:22 ` [PATCH v3 06/17] intel_iommu: Implement stage-1 translation Zhenzhong Duan
2024-09-27 4:07 ` Jason Wang
2024-09-29 13:58 ` Yi Liu
2024-09-30 5:55 ` Duan, Zhenzhong
2024-09-11 5:22 ` [PATCH v3 07/17] intel_iommu: Check if the input address is canonical Zhenzhong Duan
2024-09-27 4:07 ` Jason Wang
2024-09-11 5:22 ` [PATCH v3 08/17] intel_iommu: Set accessed and dirty bits during first stage translation Zhenzhong Duan
2024-09-27 4:07 ` Jason Wang
2024-09-27 6:38 ` Duan, Zhenzhong
2024-09-11 5:22 ` [PATCH v3 09/17] intel_iommu: Flush stage-1 cache in iotlb invalidation Zhenzhong Duan
2024-09-27 4:07 ` Jason Wang
2024-09-11 5:22 ` [PATCH v3 10/17] intel_iommu: Process PASID-based " Zhenzhong Duan
2024-09-27 4:08 ` Jason Wang
2024-09-11 5:22 ` [PATCH v3 11/17] intel_iommu: Add an internal API to find an address space with PASID Zhenzhong Duan
2024-09-27 4:08 ` Jason Wang
2024-09-11 5:22 ` [PATCH v3 12/17] intel_iommu: Add support for PASID-based device IOTLB invalidation Zhenzhong Duan
2024-09-27 4:08 ` Jason Wang
2024-09-27 7:17 ` Duan, Zhenzhong
2024-09-27 8:02 ` Duan, Zhenzhong
2024-09-29 1:59 ` Jason Wang
2024-09-29 2:22 ` Duan, Zhenzhong
2024-12-16 8:21 ` Duan, Zhenzhong
2024-12-17 2:13 ` Jason Wang
2024-12-17 6:06 ` CLEMENT MATHIEU--DRIF
2024-09-11 5:22 ` [PATCH v3 13/17] intel_iommu: piotlb invalidation should notify unmap Zhenzhong Duan
2024-09-11 5:22 ` [PATCH v3 14/17] intel_iommu: Set default aw_bits to 48 in scalable modern mode Zhenzhong Duan
2024-09-27 4:08 ` Jason Wang
2024-09-27 6:38 ` Duan, Zhenzhong
2024-09-29 2:02 ` Jason Wang
2024-09-29 2:57 ` Duan, Zhenzhong
2024-09-11 5:22 ` [PATCH v3 15/17] intel_iommu: Modify x-scalable-mode to be string option to expose " Zhenzhong Duan
2024-09-11 6:54 ` CLEMENT MATHIEU--DRIF
2024-09-27 4:08 ` Jason Wang
2024-09-27 6:39 ` Duan, Zhenzhong
2024-09-29 2:00 ` Jason Wang
2024-09-29 2:44 ` Duan, Zhenzhong
2024-11-04 3:24 ` Yi Liu
2024-11-04 7:13 ` CLEMENT MATHIEU--DRIF [this message]
2024-09-11 5:22 ` [PATCH v3 16/17] intel_iommu: Introduce a property to control FS1GP cap bit setting Zhenzhong Duan
2024-09-27 4:08 ` Jason Wang
2024-09-27 6:39 ` Duan, Zhenzhong
2024-09-11 5:22 ` [PATCH v3 17/17] tests/qtest: Add intel-iommu test Zhenzhong Duan
2024-09-27 4:08 ` Jason Wang
2024-09-11 6:56 ` [PATCH v3 00/17] intel_iommu: Enable stage-1 translation for emulated device CLEMENT MATHIEU--DRIF
2024-09-11 8:43 ` Duan, Zhenzhong
2024-09-11 10:43 ` Michael S. Tsirkin
2024-09-26 9:25 ` Duan, Zhenzhong
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