From: Randy Dunlap <rdunlap@infradead.org>
To: Jason Gunthorpe <jgg@nvidia.com>, Alexandre Ghiti <alex@ghiti.fr>,
Anup Patel <anup@brainfault.org>,
Albert Ou <aou@eecs.berkeley.edu>,
Jonathan Corbet <corbet@lwn.net>,
iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
Justin Stitt <justinstitt@google.com>,
linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-riscv@lists.infradead.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>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <pjw@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>,
Kevin Tian <kevin.tian@intel.com>,
Michael Roth <michael.roth@amd.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
patches@lists.linux.dev, Samiullah Khawaja <skhawaja@google.com>,
Vasant Hegde <vasant.hegde@amd.com>
Subject: Re: [PATCH v8 05/15] iommupt: Add iova_to_phys op
Date: Tue, 4 Nov 2025 11:02:06 -0800 [thread overview]
Message-ID: <d7ba7762-f398-4a7e-8e70-786ed9c4fa52@infradead.org> (raw)
In-Reply-To: <5-v8-d50aeee4481d+55efb-iommu_pt_jgg@nvidia.com>
On 11/4/25 10:30 AM, Jason Gunthorpe wrote:
> +/**
> + * iova_to_phys() - Return the output address for the given IOVA
> + * @iommu_table: Table to query
@domain: (as below)
> + * @iova: IO virtual address to query
> + *
> + * Determine the output address from the given IOVA. @iova may have any
> + * alignment, the returned physical will be adjusted with any sub page offset.
> + *
> + * Context: The caller must hold a read range lock that includes @iova.
> + *
> + * Return: 0 if there is no translation for the given iova.
> + */
> +phys_addr_t DOMAIN_NS(iova_to_phys)(struct iommu_domain *domain,
> + dma_addr_t iova)
> +{
--
~Randy
next prev parent reply other threads:[~2025-11-04 19:02 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-04 18:29 [PATCH v8 00/15] Consolidate iommu page table implementations (AMD) Jason Gunthorpe
2025-11-04 18:29 ` [PATCH v8 01/15] genpt: Generic Page Table base API Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 02/15] genpt: Add Documentation/ files Jason Gunthorpe
2025-11-04 23:49 ` Randy Dunlap
2025-11-05 18:51 ` Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 03/15] iommupt: Add the basic structure of the iommu implementation Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 04/15] iommupt: Add the AMD IOMMU v1 page table format Jason Gunthorpe
2025-11-04 18:51 ` Randy Dunlap
2025-11-04 18:30 ` [PATCH v8 05/15] iommupt: Add iova_to_phys op Jason Gunthorpe
2025-11-04 19:02 ` Randy Dunlap [this message]
2025-11-04 19:19 ` Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 06/15] iommupt: Add unmap_pages op Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 07/15] iommupt: Add map_pages op Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 08/15] iommupt: Add read_and_clear_dirty op Jason Gunthorpe
2025-11-04 19:13 ` Randy Dunlap
2025-11-04 19:17 ` Jason Gunthorpe
2025-11-04 19:19 ` Randy Dunlap
2025-11-04 18:30 ` [PATCH v8 09/15] iommupt: Add a kunit test for Generic Page Table Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 10/15] iommupt: Add a mock pagetable format for iommufd selftest to use Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 11/15] iommufd: Change the selftest to use iommupt instead of xarray Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 12/15] iommupt: Add the x86 64 bit page table format Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 13/15] iommu/amd: Use the generic iommu page table Jason Gunthorpe
2025-11-05 16:01 ` Ankit Soni
2025-11-05 16:57 ` Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 14/15] iommu/amd: Remove AMD io_pgtable support Jason Gunthorpe
2025-11-04 18:30 ` [PATCH v8 15/15] iommupt: Add a kunit test for the IOMMU implementation Jason Gunthorpe
2025-11-05 8:45 ` [PATCH v8 00/15] Consolidate iommu page table implementations (AMD) Joerg Roedel
2025-11-05 12:43 ` Jason Gunthorpe
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