From: Jason Gunthorpe <jgg@nvidia.com>
To: Baolu Lu <baolu.lu@linux.intel.com>
Cc: Joao Martins <joao.m.martins@oracle.com>,
iommu@lists.linux.dev, Kevin Tian <kevin.tian@intel.com>,
Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>,
Yi Liu <yi.l.liu@intel.com>, Yi Y Sun <yi.y.sun@intel.com>,
Nicolin Chen <nicolinc@nvidia.com>,
Joerg Roedel <joro@8bytes.org>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Alex Williamson <alex.williamson@redhat.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH v3 19/19] iommu/intel: Access/Dirty bit support for SL domains
Date: Mon, 16 Oct 2023 09:59:41 -0300 [thread overview]
Message-ID: <20231016125941.GT3952@nvidia.com> (raw)
In-Reply-To: <037d2917-51a2-acae-dc06-65940a054880@linux.intel.com>
On Mon, Oct 16, 2023 at 08:58:42PM +0800, Baolu Lu wrote:
> On 2023/10/16 19:42, Jason Gunthorpe wrote:
> > On Mon, Oct 16, 2023 at 11:57:34AM +0100, Joao Martins wrote:
> >
> > > True. But to be honest, I thought we weren't quite there yet in PASID support
> > > from IOMMUFD perspective; hence why I didn't aim at it. Or do I have the wrong
> > > impression? From the code below, it clearly looks the driver does.
> > I think we should plan that this series will go before the PASID
> > series
>
> I know that PASID support in IOMMUFD is not yet available, but the VT-d
> driver already supports attaching a domain to a PASID, as required by
> the idxd driver for kernel DMA with PASID. Therefore, from the driver's
> perspective, dirty tracking should also be enabled for PASIDs.
As long as the driver refuses to attach a dirty track enabled domain
to PASID it would be fine for now.
Jason
next prev parent reply other threads:[~2023-10-16 12:59 UTC|newest]
Thread overview: 140+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-23 1:24 [PATCH v3 00/19] IOMMUFD Dirty Tracking Joao Martins
2023-09-23 1:24 ` [PATCH v3 01/19] vfio/iova_bitmap: Export more API symbols Joao Martins
2023-10-13 15:43 ` Jason Gunthorpe
2023-10-13 15:57 ` Joao Martins
2023-10-13 16:03 ` Jason Gunthorpe
2023-10-13 16:22 ` Joao Martins
2023-09-23 1:24 ` [PATCH v3 02/19] vfio: Move iova_bitmap into iommu core Joao Martins
2023-10-13 15:48 ` Jason Gunthorpe
2023-10-13 16:00 ` Joao Martins
2023-10-13 16:04 ` Jason Gunthorpe
2023-10-13 16:23 ` Joao Martins
2023-10-13 17:10 ` Joao Martins
2023-10-13 17:16 ` Jason Gunthorpe
2023-10-13 17:23 ` Joao Martins
2023-10-13 17:28 ` Jason Gunthorpe
2023-10-13 17:32 ` Joao Martins
2023-10-13 20:41 ` Alex Williamson
2023-10-13 21:20 ` Joao Martins
2023-10-13 21:51 ` Alex Williamson
2023-10-14 0:02 ` Jason Gunthorpe
2023-10-16 16:25 ` Joao Martins
2023-10-16 16:34 ` Jason Gunthorpe
2023-10-16 17:52 ` Joao Martins
2023-10-16 18:05 ` Jason Gunthorpe
2023-10-16 18:15 ` Joao Martins
2023-10-16 18:20 ` Jason Gunthorpe
2023-10-16 18:37 ` Joao Martins
2023-10-16 18:50 ` Joao Martins
2023-10-17 12:58 ` Jason Gunthorpe
2023-10-17 15:20 ` Joao Martins
2023-10-17 15:23 ` Jason Gunthorpe
2023-10-17 15:44 ` Joao Martins
2023-10-18 10:19 ` Joao Martins
2023-10-18 12:03 ` Jason Gunthorpe
2023-10-18 12:48 ` Joao Martins
2023-10-18 14:23 ` Jason Gunthorpe
2023-10-18 15:34 ` Joao Martins
2023-10-18 15:43 ` Jason Gunthorpe
2023-09-23 1:24 ` [PATCH v3 03/19] iommu: Add iommu_domain ops for dirty tracking Joao Martins
2023-10-13 16:05 ` Jason Gunthorpe
2023-10-13 16:27 ` Joao Martins
2023-09-23 1:24 ` [PATCH v3 04/19] iommufd: Add a flag to enforce dirty tracking on attach Joao Martins
2023-10-13 15:52 ` Jason Gunthorpe
2023-10-13 16:14 ` Joao Martins
2023-10-13 16:16 ` Jason Gunthorpe
2023-10-13 16:29 ` Joao Martins
2023-09-23 1:24 ` [PATCH v3 05/19] iommufd/selftest: Expand mock_domain with dev_flags Joao Martins
2023-10-13 16:02 ` Jason Gunthorpe
2023-10-13 16:21 ` Joao Martins
2023-09-23 1:24 ` [PATCH v3 06/19] iommufd/selftest: Test IOMMU_HWPT_ALLOC_ENFORCE_DIRTY Joao Martins
2023-09-23 1:24 ` [PATCH v3 07/19] iommufd: Dirty tracking data support Joao Martins
2023-09-23 1:40 ` Joao Martins
2023-10-17 12:06 ` Joao Martins
2023-10-17 15:29 ` Jason Gunthorpe
2023-10-17 15:51 ` Joao Martins
2023-10-17 16:01 ` Jason Gunthorpe
2023-10-17 16:51 ` Joao Martins
2023-10-17 17:13 ` Jason Gunthorpe
2023-10-17 17:30 ` Joao Martins
2023-10-17 18:14 ` Joao Martins
2023-09-23 1:25 ` [PATCH v3 08/19] iommufd: Add IOMMU_HWPT_SET_DIRTY Joao Martins
2023-10-13 16:13 ` Jason Gunthorpe
2023-09-23 1:25 ` [PATCH v3 09/19] iommufd/selftest: Test IOMMU_HWPT_SET_DIRTY Joao Martins
2023-09-23 1:25 ` [PATCH v3 10/19] iommufd: Add IOMMU_HWPT_GET_DIRTY_IOVA Joao Martins
2023-10-13 16:22 ` Jason Gunthorpe
2023-10-13 16:58 ` Joao Martins
2023-10-13 17:03 ` Jason Gunthorpe
2023-09-23 1:25 ` [PATCH v3 11/19] iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_IOVA Joao Martins
2023-09-23 1:25 ` [PATCH v3 12/19] iommufd: Add capabilities to IOMMU_GET_HW_INFO Joao Martins
2023-09-23 1:25 ` [PATCH v3 13/19] iommufd/selftest: Test out_capabilities in IOMMU_GET_HW_INFO Joao Martins
2023-09-23 1:25 ` [PATCH v3 14/19] iommufd: Add a flag to skip clearing of IOPTE dirty Joao Martins
2023-09-23 1:25 ` [PATCH v3 15/19] iommufd/selftest: Test IOMMU_GET_DIRTY_IOVA_NO_CLEAR flag Joao Martins
2023-09-23 1:25 ` [PATCH v3 16/19] iommu/amd: Add domain_alloc_user based domain allocation Joao Martins
2023-10-17 2:00 ` Suthikulpanit, Suravee
2023-10-17 9:07 ` Joao Martins
2023-10-17 13:10 ` Jason Gunthorpe
2023-10-17 14:14 ` Joao Martins
2023-10-17 14:37 ` Joao Martins
2023-10-17 15:32 ` Jason Gunthorpe
2023-10-18 8:29 ` Vasant Hegde
2023-09-23 1:25 ` [PATCH v3 17/19] iommu/amd: Access/Dirty bit support in IOPTEs Joao Martins
2023-10-04 17:01 ` Joao Martins
2023-10-17 8:18 ` Suthikulpanit, Suravee
2023-10-17 9:54 ` Joao Martins
2023-10-17 18:32 ` Joao Martins
2023-10-17 18:49 ` Jason Gunthorpe
2023-10-17 19:03 ` Joao Martins
2023-10-17 22:04 ` Joao Martins
2023-10-18 11:47 ` Suthikulpanit, Suravee
2023-10-18 20:40 ` Joao Martins
2023-10-18 11:46 ` Suthikulpanit, Suravee
2023-10-18 13:04 ` Suthikulpanit, Suravee
2023-10-18 13:17 ` Joao Martins
2023-10-18 13:31 ` Joao Martins
2023-10-18 15:50 ` Jason Gunthorpe
2023-09-23 1:25 ` [PATCH v3 18/19] iommu/amd: Print access/dirty bits if supported Joao Martins
2023-10-17 3:48 ` Suthikulpanit, Suravee
2023-10-17 9:07 ` Joao Martins
2023-10-18 8:32 ` Vasant Hegde
2023-10-18 8:53 ` Joao Martins
2023-10-18 9:03 ` Vasant Hegde
2023-10-18 9:05 ` Joao Martins
2023-10-18 15:52 ` Jason Gunthorpe
2023-10-18 15:55 ` Joao Martins
2023-09-23 1:25 ` [PATCH v3 19/19] iommu/intel: Access/Dirty bit support for SL domains Joao Martins
2023-09-25 7:01 ` Baolu Lu
2023-09-25 9:08 ` Joao Martins
2023-10-16 2:26 ` Baolu Lu
2023-10-16 0:51 ` Baolu Lu
2023-10-16 10:42 ` Joao Martins
2023-10-16 12:41 ` Baolu Lu
2023-10-16 1:37 ` Baolu Lu
2023-10-16 10:57 ` Joao Martins
2023-10-16 11:42 ` Jason Gunthorpe
2023-10-16 12:58 ` Baolu Lu
2023-10-16 12:59 ` Jason Gunthorpe [this message]
2023-10-16 13:01 ` Baolu Lu
2023-10-17 10:51 ` Joao Martins
2023-10-17 12:41 ` Baolu Lu
2023-10-17 14:16 ` Joao Martins
2023-10-17 14:25 ` Joao Martins
2023-10-18 2:06 ` Baolu Lu
2023-10-16 2:07 ` Baolu Lu
2023-10-16 11:26 ` Joao Martins
2023-10-16 16:00 ` Joao Martins
2023-10-17 2:08 ` Baolu Lu
2023-10-17 11:22 ` Joao Martins
2023-10-17 12:49 ` Baolu Lu
2023-10-17 14:19 ` Joao Martins
2023-10-17 13:10 ` Jason Gunthorpe
2023-10-17 14:11 ` Joao Martins
2023-10-17 15:31 ` Jason Gunthorpe
2023-10-17 15:54 ` Joao Martins
2023-10-16 2:21 ` Baolu Lu
2023-10-16 11:39 ` Joao Martins
2023-10-16 13:06 ` Baolu Lu
2023-09-26 8:58 ` [PATCH v3 00/19] IOMMUFD Dirty Tracking Shameerali Kolothum Thodi
2023-10-13 16:29 ` Jason Gunthorpe
2023-10-13 18:11 ` Joao Martins
2023-10-14 7:53 ` Baolu Lu
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