From: Baolu Lu <baolu.lu@linux.intel.com>
To: Yi Liu <yi.l.liu@intel.com>, kevin.tian@intel.com, jgg@nvidia.com
Cc: joro@8bytes.org, iommu@lists.linux.dev, nicolinc@nvidia.com
Subject: Re: [PATCH v8 05/12] iommufd: Mark PASID-compatible domain
Date: Thu, 27 Feb 2025 11:06:07 +0800 [thread overview]
Message-ID: <32982ad3-98c1-4a75-aaab-a42d557dc498@linux.intel.com> (raw)
In-Reply-To: <20250226114032.4591-6-yi.l.liu@intel.com>
On 2/26/25 19:40, Yi Liu wrote:
> AMD IOMMU requires attaching PASID-compatible domains to PASID-capable
> devices. This includes the domains attached to RID and PASIDs. Related
> discussions in link [1] and [2]. ARM also has such a requirement, Intel
> does not need it, but can live up with it. Hence, iommufd is going to
> enforce this requirement as it is not harmful to vendors that do not
> need it.
>
> Mark the PASID-capable domains to prepare for adding this enforcement
> when iommufd PASID support is added.
>
> [1]https://lore.kernel.org/linux-iommu/20240709182303.GK14050@ziepe.ca/
> [2]https://lore.kernel.org/linux-iommu/20240822124433.GD3468552@ziepe.ca/
>
> Reviewed-by: Kevin Tian<kevin.tian@intel.com>
> Signed-off-by: Yi Liu<yi.l.liu@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
next prev parent reply other threads:[~2025-02-27 3:31 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-26 11:40 [PATCH v8 00/12] iommufd support pasid attach/replace Yi Liu
2025-02-26 11:40 ` [PATCH v8 01/12] iommu: Add iommu_attach_device_pasid_handle() Yi Liu
2025-02-26 13:58 ` Baolu Lu
2025-02-26 22:16 ` Nicolin Chen
2025-02-27 1:27 ` Yi Liu
2025-02-27 16:26 ` Nicolin Chen
2025-02-28 6:48 ` Yi Liu
2025-02-28 15:12 ` Jason Gunthorpe
2025-03-01 10:09 ` Yi Liu
2025-02-28 15:17 ` Jason Gunthorpe
2025-03-01 10:10 ` Yi Liu
2025-03-04 7:34 ` Tian, Kevin
2025-03-04 8:45 ` Yi Liu
2025-02-26 11:40 ` [PATCH v8 02/12] iommu: Introduce a replace API for device pasid Yi Liu
2025-02-26 23:11 ` Nicolin Chen
2025-02-27 1:43 ` Yi Liu
2025-02-27 16:04 ` Nicolin Chen
2025-02-28 14:12 ` Yi Liu
2025-03-01 4:46 ` Nicolin Chen
2025-03-01 10:12 ` Yi Liu
2025-02-27 1:31 ` Baolu Lu
2025-02-27 2:29 ` Yi Liu
2025-02-27 2:59 ` Baolu Lu
2025-02-28 15:21 ` Jason Gunthorpe
2025-03-04 7:42 ` Tian, Kevin
2025-03-04 8:49 ` Yi Liu
2025-03-05 2:36 ` Tian, Kevin
2025-02-26 11:40 ` [PATCH v8 03/12] iommufd: Pass @pasid through the device attach/replace path Yi Liu
2025-02-26 23:45 ` Nicolin Chen
2025-02-28 15:25 ` Jason Gunthorpe
2025-02-26 11:40 ` [PATCH v8 04/12] iommufd/device: Only add reserved_iova in non-pasid path Yi Liu
2025-02-27 0:05 ` Nicolin Chen
2025-02-27 1:50 ` Yi Liu
2025-02-27 16:31 ` Nicolin Chen
2025-02-28 14:03 ` Yi Liu
2025-02-28 15:24 ` Jason Gunthorpe
2025-03-01 10:12 ` Yi Liu
2025-03-04 7:43 ` Tian, Kevin
2025-02-26 11:40 ` [PATCH v8 05/12] iommufd: Mark PASID-compatible domain Yi Liu
2025-02-27 3:06 ` Baolu Lu [this message]
2025-02-27 18:58 ` Nicolin Chen
2025-02-28 15:27 ` Jason Gunthorpe
2025-02-26 11:40 ` [PATCH v8 06/12] iommufd: Support pasid attach/replace Yi Liu
2025-02-27 3:27 ` Baolu Lu
2025-02-27 4:19 ` Yi Liu
2025-02-27 20:15 ` Jason Gunthorpe
2025-02-28 14:13 ` Yi Liu
2025-02-28 15:32 ` Jason Gunthorpe
2025-03-01 11:44 ` Yi Liu
2025-03-03 17:48 ` Jason Gunthorpe
2025-03-04 7:59 ` Tian, Kevin
2025-02-26 11:40 ` [PATCH v8 07/12] iommufd: Enforce PASID-compatible domain for RID Yi Liu
2025-02-27 3:43 ` Baolu Lu
2025-02-27 5:16 ` Yi Liu
2025-02-28 19:39 ` Jason Gunthorpe
2025-03-04 8:00 ` Tian, Kevin
2025-02-26 11:40 ` [PATCH v8 08/12] iommu/vt-d: Add IOMMU_HWPT_ALLOC_PASID support Yi Liu
2025-02-27 3:46 ` Baolu Lu
2025-02-28 19:39 ` Jason Gunthorpe
2025-03-04 8:00 ` Tian, Kevin
2025-02-26 11:40 ` [PATCH v8 09/12] iommufd: Allow allocating PASID-compatible domain Yi Liu
2025-02-27 4:00 ` Baolu Lu
2025-02-27 5:34 ` Yi Liu
2025-02-27 20:17 ` Jason Gunthorpe
2025-02-28 19:56 ` Jason Gunthorpe
2025-03-04 8:08 ` Tian, Kevin
2025-03-04 11:48 ` Yi Liu
2025-03-05 2:38 ` Tian, Kevin
2025-03-13 13:17 ` Yi Liu
2025-03-17 15:35 ` Jason Gunthorpe
2025-02-26 11:40 ` [PATCH v8 10/12] iommufd/selftest: Add set_dev_pasid in mock iommu Yi Liu
2025-03-04 8:08 ` Tian, Kevin
2025-02-26 11:40 ` [PATCH v8 11/12] iommufd/selftest: Add test ops to test pasid attach/detach Yi Liu
2025-03-04 8:09 ` Tian, Kevin
2025-02-26 11:40 ` [PATCH v8 12/12] iommufd/selftest: Add coverage for iommufd " Yi Liu
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