llvm.lists.linux.dev archive mirror
 help / color / mirror / Atom feed
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


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5ffaaba9-9890-4198-9ea8-03edba6e0725@infradead.org \
    --to=rdunlap@infradead.org \
    --cc=aik@amd.com \
    --cc=alejandro.j.jimenez@oracle.com \
    --cc=corbet@lwn.net \
    --cc=iommu@lists.linux.dev \
    --cc=jgg@nvidia.com \
    --cc=jgowans@amazon.com \
    --cc=joro@8bytes.org \
    --cc=justinstitt@google.com \
    --cc=kevin.tian@intel.com \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=llvm@lists.linux.dev \
    --cc=michael.roth@amd.com \
    --cc=morbo@google.com \
    --cc=nathan@kernel.org \
    --cc=nick.desaulniers+lkml@gmail.com \
    --cc=ojeda@kernel.org \
    --cc=pasha.tatashin@soleen.com \
    --cc=patches@lists.linux.dev \
    --cc=robin.murphy@arm.com \
    --cc=shuah@kernel.org \
    --cc=suravee.suthikulpanit@amd.com \
    --cc=will@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).