From: Randy Dunlap <rdunlap@infradead.org>
To: Jason Gunthorpe <jgg@nvidia.com>,
Jonathan Corbet <corbet@lwn.net>,
iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
Justin Stitt <justinstitt@google.com>,
Kevin Tian <kevin.tian@intel.com>,
linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
llvm@lists.linux.dev, Bill Wendling <morbo@google.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
Miguel Ojeda <ojeda@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Shuah Khan <shuah@kernel.org>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Will Deacon <will@kernel.org>
Cc: Alexey Kardashevskiy <aik@amd.com>,
Alejandro Jimenez <alejandro.j.jimenez@oracle.com>,
James Gowans <jgowans@amazon.com>,
Michael Roth <michael.roth@amd.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
patches@lists.linux.dev
Subject: Re: [PATCH v4 08/15] iommupt: Add read_and_clear_dirty op
Date: Tue, 26 Aug 2025 13:47:07 -0700 [thread overview]
Message-ID: <5ffaaba9-9890-4198-9ea8-03edba6e0725@infradead.org> (raw)
In-Reply-To: <8-v4-0d6a6726a372+18959-iommu_pt_jgg@nvidia.com>
On 8/26/25 10:18 AM, Jason Gunthorpe wrote:
> +/**
> + * read_and_clear_dirty() - Manipulate the HW set write dirty state
> + * @iommu_table: Table to manipulate
> + * @iova: IO virtual address to start
> + * @size: Length of the IOVA
> + * @flags: A bitmap of IOMMU_DIRTY_NO_CLEAR
> + *
Mismatch between @params above and function arguments, both in names
and one argument (@dirty:) is missing above.
> + * Iterate over all the entries in the mapped range and record their write dirty
> + * status in iommu_dirty_bitmap. If IOMMU_DIRTY_NO_CLEAR is not specified then
> + * the entries will be left dirty, otherwise they are returned to being not
> + * write dirty.
> + *
> + * Context: The caller must hold a read range lock that includes @iova.
> + *
> + * Returns: -ERRNO on failure, 0 on success.
> + */
> +int DOMAIN_NS(read_and_clear_dirty)(struct iommu_domain *domain,
> + unsigned long iova, size_t size,
> + unsigned long flags,
> + struct iommu_dirty_bitmap *dirty)
> +{
--
~Randy
next prev parent reply other threads:[~2025-08-26 20:47 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-26 17:18 [PATCH v4 00/15] Consolidate iommu page table implementations (AMD) Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 01/15] genpt: Generic Page Table base API Jason Gunthorpe
2025-08-27 7:11 ` Randy Dunlap
2025-08-29 18:51 ` Jason Gunthorpe
2025-08-29 22:50 ` Randy Dunlap
2025-08-26 17:18 ` [PATCH v4 02/15] genpt: Add Documentation/ files Jason Gunthorpe
2025-08-27 1:07 ` Randy Dunlap
2025-08-29 18:57 ` Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 03/15] iommupt: Add the basic structure of the iommu implementation Jason Gunthorpe
2025-08-27 5:03 ` Randy Dunlap
2025-08-29 19:05 ` Jason Gunthorpe
2025-08-29 19:25 ` Randy Dunlap
2025-08-26 17:18 ` [PATCH v4 04/15] iommupt: Add the AMD IOMMU v1 page table format Jason Gunthorpe
2025-08-27 0:03 ` Randy Dunlap
2025-08-29 19:06 ` Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 05/15] iommupt: Add iova_to_phys op Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 06/15] iommupt: Add unmap_pages op Jason Gunthorpe
2025-08-26 20:44 ` Randy Dunlap
2025-08-29 17:55 ` Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 07/15] iommupt: Add map_pages op Jason Gunthorpe
2025-08-26 23:20 ` Randy Dunlap
2025-08-29 19:23 ` Jason Gunthorpe
2025-08-29 19:27 ` Randy Dunlap
2025-08-26 17:18 ` [PATCH v4 08/15] iommupt: Add read_and_clear_dirty op Jason Gunthorpe
2025-08-26 20:47 ` Randy Dunlap [this message]
2025-08-29 17:55 ` Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 09/15] iommupt: Add a kunit test for Generic Page Table Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 10/15] iommupt: Add a mock pagetable format for iommufd selftest to use Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 11/15] iommufd: Change the selftest to use iommupt instead of xarray Jason Gunthorpe
2025-08-26 23:33 ` Randy Dunlap
2025-08-29 17:56 ` Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 12/15] iommupt: Add the x86 64 bit page table format Jason Gunthorpe
2025-08-26 23:38 ` Randy Dunlap
2025-08-29 17:58 ` Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 13/15] iommu/amd: Use the generic iommu page table Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 14/15] iommu/amd: Remove AMD io_pgtable support Jason Gunthorpe
2025-08-26 17:18 ` [PATCH v4 15/15] iommupt: Add a kunit test for the IOMMU implementation Jason Gunthorpe
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