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Message-ID: <aIdWGaahna8cQqjK@willie-the-truck>
Date: Mon, 28 Jul 2025 11:51:05 +0100
From: Will Deacon <will@...nel.org>
To: torvalds@...ux-foundation.org
Cc: joro@...tes.org, linux-kernel@...r.kernel.org, iommu@...ts.linux.dev
Subject: [GIT PULL] IOMMU Updates for Linux v6.17
Hi Linus,
Joerg (CC'd) has been away for a couple of weeks [1] so I've been
handling the IOMMU tree recently and here is the pull request for IOMMU
changes targetting v6.17.
There is a summary in the tag but it's mainly driver updates for x86 and
Arm-based systems. The only real core change is removal of the
'pgsize_bitmap' field from 'struct iommu_ops', along with the necessary
driver updates to go with it.
Please pull.
Cheers,
Will
[1] https://lore.kernel.org/linux-iommu/ojjm5wbqi44t5v2qo752u7q36uvbrda7au5coskjbnxgaom6t5@ebbfcm7zmwfa
--->8
The following changes since commit 86731a2a651e58953fc949573895f2fa6d456841:
Linux 6.16-rc3 (2025-06-22 13:30:08 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git tags/iommu-updates-v6.17
for you to fetch changes up to b9e6e8ae0a5f9edae7cc1b5972a1d3dea9223fe2:
Merge branch 'arm/smmu/updates' into next (2025-07-24 11:18:28 +0100)
----------------------------------------------------------------
IOMMU Updates for Linux v6.17:
- Core
* Remove the 'pgsize_bitmap' member from 'struct iommu_ops'
* Convert the x86 drivers over to msi_create_parent_irq_domain()
- AMD-Vi
* Add support for examining driver/device internals via debugfs
* Add support for "HATDis" to disable host translation when it is not
supported
* Add support for limiting the maximum host translation level based on
EFR[HATS]
- Apple DART
* Don't enable as built-in by default when ARCH_APPLE is selected
- Arm SMMU
* Devicetree bindings update for the Qualcomm SMMU in the "Milos" SoC
* Support for Qualcomm SM6115 MDSS parts
* Disable PRR on Qualcomm SM8250 as using these bits causes the
hypervisor to explode
- Intel VT-d
* Reorganize Intel VT-d to be ready for iommupt
* Optimize iotlb_sync_map for non-caching/non-RWBF modes
* Fix missed PASID in dev TLB invalidation in cache_tag_flush_all()
- Mediatek
* Fix build warnings when W=1
- Samsung Exynos
* Add support for reserved memory regions specified by the bootloader
- TI OMAP
* Use syscon_regmap_lookup_by_phandle_args() instead of parsing the
node manually
- Misc
* Cleanups and minor fixes across the board
----------------------------------------------------------------
Alexey Klimov (1):
iommu/arm-smmu-qcom: Add SM6115 MDSS compatible
Ankit Soni (2):
iommu/amd: Add HATDis feature support
iommu/amd: Add efr[HATS] max v1 page table level
Bagas Sanjaya (1):
iommu/amd: Wrap debugfs ABI testing symbols snippets in literal code blocks
Daniel Mentz (1):
iommu/io-pgtable-arm: Remove unused macro iopte_prot
Dheeraj Kumar Srivastava (8):
iommu/amd: Refactor AMD IOMMU debugfs initial setup
iommu/amd: Add debugfs support to dump IOMMU MMIO registers
iommu/amd: Add debugfs support to dump IOMMU Capability registers
iommu/amd: Add debugfs support to dump IOMMU command buffer
iommu/amd: Add support for device id user input
iommu/amd: Add debugfs support to dump device table
iommu/amd: Add debugfs support to dump IRT Table
iommu/amd: Add documentation for AMD IOMMU debugfs support
Dmitry Baryshkov (1):
iommu/arm-smmu: disable PRR on SM8250
Easwar Hariharan (1):
iommu/amd: Enable PASID and ATS capabilities in the correct order
Ethan Milon (2):
iommu/vt-d: Fix missing PASID in dev TLB flush with cache_tag_flush_all
iommu/vt-d: Deduplicate cache_tag_flush_all by reusing flush_range
Jason Gunthorpe (17):
qiommu/arm-smmu-v3: Remove iommu_ops pgsize_bitmap
iommu/arm-smmu: Remove iommu_ops pgsize_bitmap
iommu: Remove ops.pgsize_bitmap from drivers that don't use it
iommu: Remove iommu_ops pgsize_bitmap from simple drivers
iommu/mtk: Remove iommu_ops pgsize_bitmap
iommu/qcom: Remove iommu_ops pgsize_bitmap
iommu/msm: Remove ops->pgsize_bitmap
iommu: Remove ops->pgsize_bitmap
iommu/vt-d: Lift the __pa to domain_setup_first_level/intel_svm_set_dev_pasid()
iommu/vt-d: Fold domain_exit() into intel_iommu_domain_free()
iommu/vt-d: Do not wipe out the page table NID when devices detach
iommu/vt-d: Split intel_iommu_domain_alloc_paging_flags()
iommu/vt-d: Create unique domain ops for each stage
iommu/vt-d: Split intel_iommu_enforce_cache_coherency()
iommu/vt-d: Split paging_domain_compatible()
iommu/qcom: Fix pgsize_bitmap
iommu/amd: Fix geometry.aperture_end for V2 tables
Kaustabh Chakraborty (1):
iommu/exynos: add support for reserved regions
Konrad Dybcio (1):
dt-bindings: arm-smmu: Remove sdm845-cheza specific entry
Krzysztof Kozlowski (2):
iommu/omap: Drop redundant check if ti,syscon-mmuconfig exists
iommu/omap: Use syscon_regmap_lookup_by_phandle_args
Lu Baolu (3):
iommu/vt-d: Optimize iotlb_sync_map for non-caching/non-RWBF modes
iommu/vt-d: Make iotlb_sync_map a static property of dmar_domain
iommu/vt-d: Fix UAF on sva unbind with pending IOPFs
Luca Weiss (1):
dt-bindings: arm-smmu: document the support on Milos
Marc Zyngier (2):
iommu/amd: Convert to msi_create_parent_irq_domain() helper
iommu/intel: Convert to msi_create_parent_irq_domain() helper
Nicolin Chen (1):
iommu/arm-smmu-v3: Revert vmaster in the error path
Robin Murphy (1):
iommu/mediatek-v1: Tidy up probe_finalize
Sven Peter (1):
iommu/apple-dart: Drop default ARCH_APPLE in Kconfig
Vineeth Pillai (Google) (1):
iommu/vt-d: Remove the CONFIG_X86 wrapping from iommu init hook
Will Deacon (9):
Merge branch 'core' into next
Merge branch 'samsung/exynos' into next
Merge branch 'intel/vt-d' into next
Merge branch 'amd/amd-vi' into next
Merge branch 'mediatek' into next
Merge branch 'ti/omap' into next
Merge branch 'apple/dart' into next
Merge branch 'arm/smmu/bindings' into next
Merge branch 'arm/smmu/updates' into next
Documentation/ABI/testing/debugfs-amd-iommu | 131 +++++++
.../devicetree/bindings/iommu/arm,smmu.yaml | 7 +-
drivers/iommu/Kconfig | 2 +-
drivers/iommu/amd/Kconfig | 1 +
drivers/iommu/amd/amd_iommu.h | 6 +-
drivers/iommu/amd/amd_iommu_types.h | 16 +-
drivers/iommu/amd/debugfs.c | 378 ++++++++++++++++++++-
drivers/iommu/amd/init.c | 52 ++-
drivers/iommu/amd/io_pgtable.c | 4 +-
drivers/iommu/amd/iommu.c | 67 ++--
drivers/iommu/apple-dart.c | 1 -
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 17 +-
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 4 +-
drivers/iommu/arm/arm-smmu/arm-smmu.c | 12 +-
drivers/iommu/arm/arm-smmu/qcom_iommu.c | 6 +-
drivers/iommu/exynos-iommu.c | 5 +-
drivers/iommu/intel/cache.c | 55 +--
drivers/iommu/intel/dmar.c | 3 -
drivers/iommu/intel/iommu.c | 364 +++++++++++++-------
drivers/iommu/intel/iommu.h | 22 +-
drivers/iommu/intel/irq_remapping.c | 28 +-
drivers/iommu/intel/nested.c | 4 +-
drivers/iommu/intel/pasid.c | 17 +-
drivers/iommu/intel/pasid.h | 11 +-
drivers/iommu/intel/svm.c | 3 +-
drivers/iommu/intel/trace.h | 5 -
drivers/iommu/io-pgtable-arm.c | 7 -
drivers/iommu/iommu.c | 7 -
drivers/iommu/iommufd/selftest.c | 1 -
drivers/iommu/ipmmu-vmsa.c | 4 +-
drivers/iommu/msm_iommu.c | 7 +-
drivers/iommu/mtk_iommu.c | 9 +-
drivers/iommu/mtk_iommu_v1.c | 11 +-
drivers/iommu/omap-iommu.c | 27 +-
drivers/iommu/riscv/iommu.c | 1 -
drivers/iommu/rockchip-iommu.c | 3 +-
drivers/iommu/s390-iommu.c | 2 +-
drivers/iommu/sprd-iommu.c | 3 +-
drivers/iommu/sun50i-iommu.c | 3 +-
drivers/iommu/tegra-smmu.c | 3 +-
drivers/iommu/virtio-iommu.c | 6 +-
include/linux/iommu.h | 2 -
42 files changed, 961 insertions(+), 356 deletions(-)
create mode 100644 Documentation/ABI/testing/debugfs-amd-iommu
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