From: Jason Gunthorpe <jgg@ziepe.ca>
To: Vasant Hegde <vasant.hegde@amd.com>
Cc: iommu@lists.linux.dev, joro@8bytes.org,
suravee.suthikulpanit@amd.com, wei.huang2@amd.com,
jsnitsel@redhat.com
Subject: Re: [PATCH v6 06/15] iommu/amd: Introduce iommu_dev_data.max_pasids
Date: Mon, 4 Mar 2024 19:46:55 -0400 [thread overview]
Message-ID: <20240304234655.GA9225@ziepe.ca> (raw)
In-Reply-To: <20240209112930.63663-7-vasant.hegde@amd.com>
On Fri, Feb 09, 2024 at 11:29:21AM +0000, Vasant Hegde wrote:
> This variable will track the number of PASIDs supported by the device.
> If IOMMU or device doesn't support PASID then it will be zero.
>
> This will be used while allocating GCR3 table to decide required number
> of PASID table levels. Also in PASID bind path it will use this variable
> to check whether device supports PASID or not.
>
> Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
> ---
> drivers/iommu/amd/amd_iommu_types.h | 1 +
> drivers/iommu/amd/iommu.c | 12 ++++++++++++
> 2 files changed, 13 insertions(+)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2024-03-04 23:46 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-09 11:29 [PATCH v6 00/15] iommu/amd: SVA Support (Part 4) - SVA and IOPF Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 01/15] iommu/amd: Rename amd_iommu_v2_supported() as amd_iommu_pasid_supported() Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 02/15] iommu/amd: Introduce per device DTE update function Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 03/15] iommu/amd: Add support for enabling/disabling IOMMU features Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 04/15] iommu/amd: Move PPR-related functions into ppr.c Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 05/15] iommu/amd: Fix PPR interrupt processing logic Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 06/15] iommu/amd: Introduce iommu_dev_data.max_pasids Vasant Hegde
2024-03-04 23:46 ` Jason Gunthorpe [this message]
2024-02-09 11:29 ` [PATCH v6 07/15] iommu/amd: Setup GCR3 table in advance if domain is SVA capable Vasant Hegde
2024-03-05 0:11 ` Jason Gunthorpe
2024-03-11 11:20 ` Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 08/15] iommu/amd: Enable PCI features based on attached domain capability Vasant Hegde
2024-03-05 0:32 ` Jason Gunthorpe
2024-03-05 15:10 ` Vasant Hegde
2024-03-05 16:01 ` Jason Gunthorpe
2024-03-11 10:02 ` Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 09/15] iommu/amd: Define per-IOMMU iopf_queue Vasant Hegde
2024-03-05 0:33 ` Jason Gunthorpe
2024-02-09 11:29 ` [PATCH v6 10/15] iommu/amd: Add support for page response Vasant Hegde
2024-03-05 0:35 ` Jason Gunthorpe
2024-02-09 11:29 ` [PATCH v6 11/15] iommu/amd: Add IO page fault notifier handler Vasant Hegde
2024-03-05 0:40 ` Jason Gunthorpe
2024-03-11 11:00 ` Vasant Hegde
2024-03-19 17:54 ` Jason Gunthorpe
2024-02-09 11:29 ` [PATCH v6 12/15] iommu/amd: Add support for enable/disable IOPF Vasant Hegde
2024-03-05 0:42 ` Jason Gunthorpe
2024-03-05 15:21 ` Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 13/15] iommu/amd: Initial SVA support for AMD IOMMU Vasant Hegde
2024-03-05 0:50 ` Jason Gunthorpe
2024-03-11 11:11 ` Vasant Hegde
2024-03-19 17:56 ` Jason Gunthorpe
2024-03-27 6:15 ` Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 14/15] iommu: Add ops->domain_alloc_sva() Vasant Hegde
2024-02-09 11:29 ` [PATCH v6 15/15] iommu/amd: Add SVA domain support Vasant Hegde
2024-03-05 0:52 ` [PATCH v6 00/15] iommu/amd: SVA Support (Part 4) - SVA and IOPF Jason Gunthorpe
2024-03-05 14:59 ` Vasant Hegde
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