[git pull] IOMMU Updates for Linux v6.8

From: Joerg Roedel
Date: Wed Jan 10 2024 - 07:10:47 EST

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Hi Linus,

There is a small merge conflict with your tree, this time in
arch/Kconfig. My resolution is attached. With that in mind, please
consider:

The following changes since commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a:

Linux 6.7-rc8 (2023-12-31 12:51:25 -0800)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git tags/iommu-updates-v6.8

for you to fetch changes up to 75f74f85a42eb294b657f847c33e1bb7921dbec9:

Merge branches 'apple/dart', 'arm/rockchip', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd' and 'core' into next (2024-01-03 09:59:32 +0100)

----------------------------------------------------------------
IOMMU Updates for Linux v6.8

Including:

- Core changes:
- Fix race conditions in device probe path
- Retire IOMMU bus_ops
- Support for passing custom allocators to page table drivers
- Clean up Kconfig around IOMMU_SVA
- Support for sharing SVA domains with all devices bound to
a mm
- Firmware data parsing cleanup
- Tracing improvements for iommu-dma code
- Some smaller fixes and cleanups

- ARM-SMMU drivers:
- Device-tree binding updates:
- Add additional compatible strings for Qualcomm SoCs
- Document Adreno clocks for Qualcomm's SM8350 SoC
- SMMUv2:
- Implement support for the ->domain_alloc_paging() callback
- Ensure Secure context is restored following suspend of Qualcomm SMMU
implementation
- SMMUv3:
- Disable stalling mode for the "quiet" context descriptor
- Minor refactoring and driver cleanups

- Intel VT-d driver:
- Cleanup and refactoring

- AMD IOMMU driver:
- Improve IO TLB invalidation logic
- Small cleanups and improvements

- Rockchip IOMMU driver:
- DT binding update to add Rockchip RK3588

- Apple DART driver:
- Apple M1 USB4/Thunderbolt DART support
- Cleanups

- Virtio IOMMU driver:
- Add support for iotlb_sync_map
- Enable deferred IO TLB flushes

----------------------------------------------------------------
Andy Yan (1):
dt-bindings: iommu: rockchip: Add Rockchip RK3588

Ashish Mhetre (1):
iommu: Don't reserve 0-length IOVA region

Boris Brezillon (2):
iommu: Allow passing custom allocators to pgtable drivers
iommu: Extend LPAE page table format to support custom allocators

Colin Ian King (1):
iommu/apple-dart: Fix spelling mistake "grups" -> "groups"

Harshit Mogalapalli (1):
iommu/sva: Fix memory leak in iommu_sva_bind_device()

Isaac J. Manjarres (1):
iommu/dma: Trace bounce buffer usage when mapping buffers

Jason Gunthorpe (16):
iommu: Change kconfig around IOMMU_SVA
iommu: Remove struct iommu_ops *iommu from arch_setup_dma_ops()
iommmu/of: Do not return struct iommu_ops from of_iommu_configure()
iommu/of: Use -ENODEV consistently in of_iommu_configure()
iommu: Mark dev_iommu_get() with lockdep
iommu: Mark dev_iommu_priv_set() with a lockdep
acpi: Do not return struct iommu_ops from acpi_iommu_configure_id()
iommu/tegra: Use tegra_dev_iommu_get_stream_id() in the remaining places
iommu/arm-smmu-v3: Add a type for the STE
iommu/arm-smmu-v3: Master cannot be NULL in arm_smmu_write_strtab_ent()
iommu/arm-smmu-v3: Remove ARM_SMMU_DOMAIN_NESTED
iommu/arm-smmu: Reorganize arm_smmu_domain_add_master()
iommu/arm-smmu: Convert to a global static identity domain
iommu/arm-smmu: Implement IOMMU_DOMAIN_BLOCKED
iommu/arm-smmu: Pass arm_smmu_domain to internal functions
iommu/arm-smmu: Convert to domain_alloc_paging()

Joerg Roedel (3):
Merge branch 'iommu/fixes' into core
Merge tag 'arm-smmu-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu
Merge branches 'apple/dart', 'arm/rockchip', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd' and 'core' into next

Konrad Dybcio (2):
dt-bindings: arm-smmu: Document SM8[45]50 GPU SMMU
iommu/arm-smmu-qcom: Add QCM2290 MDSS compatible

Krzysztof Kozlowski (1):
dt-bindings: iommu: arm,smmu: document clocks for the SM8350 GPU SMMU

Kunwu Chan (1):
iommu/amd: Set variable amd_dirty_ops to static

Laurentiu Tudor (1):
iommu: Map reserved memory as cacheable if device is coherent

Lu Baolu (5):
iommu: Set owner token to SVA domain
iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
iommu/vt-d: Remove unused parameter of intel_pasid_setup_pass_through()
iommu/vt-d: Remove unused vcmd interfaces
iommu/vt-d: Move inline helpers to header files

Neil Armstrong (1):
dt-bindings: iommu: arm,smmu: document the SM8650 System MMU

Niklas Schnelle (2):
iommu/virtio: Make use of ops->iotlb_sync_map
iommu/virtio: Add ops->flush_iotlb_all and enable deferred flush

Rajendra Nayak (1):
dt-bindings: arm-smmu: Add compatible for X1E80100 SoC

Rob Clark (1):
iommu/arm-smmu-qcom: Add missing GMU entry to match table

Robin Murphy (7):
iommu: Factor out some helpers
iommu: Decouple iommu_present() from bus ops
iommu: Validate that devices match domains
iommu: Decouple iommu_domain_alloc() from bus ops
iommu/arm-smmu: Don't register fwnode for legacy binding
iommu: Retire bus ops
iommu: Clean up open-coded ownership checks

Suravee Suthikulpanit (1):
iommu/amd: Do not flush IRTE when only updating isRun and destination fields

Sven Peter (4):
dt-bindings: iommu: dart: Add t8103-usb4-dart compatible
iommu/apple-dart: Write to all DART_T8020_STREAM_SELECT
iommu/apple-dart: Add support for t8103 USB4 DART
iommu/apple-dart: Use readl instead of readl_relaxed for consistency

Tina Zhang (5):
iommu/vt-d: Remove mm->pasid in intel_sva_bind_mm()
iommu: Add mm_get_enqcmd_pasid() helper function
mm: Add structure to keep sva information
iommu: Support mm PASID 1:n with sva domains
mm: Deprecate pasid field

Vasant Hegde (9):
iommu/amd: Rename iommu_flush_all_caches() -> amd_iommu_flush_all_caches()
iommu/amd: Remove redundant domain flush from attach_device()
iommu/amd: Remove redundant passing of PDE bit
iommu/amd: Add support to invalidate multiple guest pages
iommu/amd: Refactor IOMMU tlb invalidation code
iommu/amd: Refactor device iotlb invalidation code
iommu/amd: Consolidate amd_iommu_domain_flush_complete() call
iommu/amd: Make domain_flush_pages as global function
iommu/amd/pgtbl_v2: Invalidate updated page ranges only

Vladimir Lypak (1):
iommu/qcom: restore IOMMU state if needed

Wenkai Lin (1):
iommu/arm-smmu-v3: disable stall for quiet_cd

Will Deacon (1):
Merge branch 'for-joerg/arm-smmu/bindings' into for-joerg/arm-smmu/updates

.../devicetree/bindings/iommu/apple,dart.yaml | 1 +
.../devicetree/bindings/iommu/arm,smmu.yaml | 77 +++++-
.../devicetree/bindings/iommu/rockchip,iommu.yaml | 11 +-
arch/Kconfig | 5 +
arch/arc/mm/dma.c | 2 +-
arch/arm/mm/dma-mapping-nommu.c | 2 +-
arch/arm/mm/dma-mapping.c | 10 +-
arch/arm64/mm/dma-mapping.c | 4 +-
arch/mips/mm/dma-noncoherent.c | 2 +-
arch/riscv/mm/dma-noncoherent.c | 2 +-
arch/x86/Kconfig | 1 +
arch/x86/kernel/traps.c | 4 +-
drivers/acpi/scan.c | 32 +--
drivers/dma/tegra186-gpc-dma.c | 8 +-
drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp10b.c | 9 +-
drivers/hv/hv_common.c | 2 +-
drivers/iommu/Kconfig | 1 +
drivers/iommu/amd/amd_iommu.h | 8 +-
drivers/iommu/amd/amd_iommu_types.h | 6 -
drivers/iommu/amd/init.c | 8 +-
drivers/iommu/amd/io_pgtable.c | 5 +-
drivers/iommu/amd/io_pgtable_v2.c | 10 +-
drivers/iommu/amd/iommu.c | 189 +++++++-------
drivers/iommu/apple-dart.c | 40 ++-
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 23 +-
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 79 +++---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 8 +-
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 2 +
drivers/iommu/arm/arm-smmu/arm-smmu.c | 166 ++++++++-----
drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 -
drivers/iommu/arm/arm-smmu/qcom_iommu.c | 26 +-
drivers/iommu/dma-iommu.c | 3 +
drivers/iommu/intel/debugfs.c | 3 -
drivers/iommu/intel/iommu.c | 241 ++----------------
drivers/iommu/intel/iommu.h | 179 +++++++++++++-
drivers/iommu/intel/pasid.c | 274 +--------------------
drivers/iommu/intel/pasid.h | 223 ++++++++++++++++-
drivers/iommu/intel/svm.c | 34 +--
drivers/iommu/io-pgtable-arm.c | 55 +++--
drivers/iommu/io-pgtable.c | 23 ++
drivers/iommu/iommu-sva.c | 97 +++++---
drivers/iommu/iommu.c | 154 ++++++++----
drivers/iommu/iommufd/hw_pagetable.c | 2 +
drivers/iommu/mtk_iommu.c | 7 +-
drivers/iommu/mtk_iommu_v1.c | 3 -
drivers/iommu/of_iommu.c | 73 +++---
drivers/iommu/omap-iommu.c | 1 -
drivers/iommu/sprd-iommu.c | 8 +-
drivers/iommu/virtio-iommu.c | 36 ++-
drivers/memory/tegra/tegra186.c | 14 +-
drivers/of/device.c | 24 +-
include/acpi/acpi_bus.h | 2 +
include/linux/device.h | 1 -
include/linux/device/bus.h | 5 -
include/linux/dma-map-ops.h | 5 +-
include/linux/io-pgtable.h | 34 +++
include/linux/iommu.h | 47 +++-
include/linux/mm_types.h | 5 +-
include/linux/of_iommu.h | 13 +-
include/linux/sched.h | 2 +-
kernel/fork.c | 2 +-
mm/Kconfig | 3 +
mm/init-mm.c | 3 -
63 files changed, 1278 insertions(+), 1042 deletions(-)

Please pull.

Thanks,

Joerg

diff --cc arch/Kconfig
index 5ca66aad0d08,3e49f862670e..c91917b50873
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@@ -301,8 -301,22 +301,13 @@@ config ARCH_HAS_DMA_CLEAR_UNCACHE
config ARCH_HAS_CPU_FINALIZE_INIT
bool

+ # The architecture has a per-task state that includes the mm's PASID
+ config ARCH_HAS_CPU_PASID
+ bool
+ select IOMMU_MM_DATA
+
-# Select if arch init_task must go in the __init_task_data section
-config ARCH_TASK_STRUCT_ON_STACK
- bool
-
-# Select if arch has its private alloc_task_struct() function
-config ARCH_TASK_STRUCT_ALLOCATOR
- bool
-
config HAVE_ARCH_THREAD_STRUCT_WHITELIST
bool
- depends on !ARCH_TASK_STRUCT_ALLOCATOR
help
An architecture should select this to provide hardened usercopy
knowledge about what region of the thread_struct should be

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Next message: Russell King (Oracle): "Re: [PATCH net-next 17/20] net: ethernet: qualcomm: Add PPE UNIPHY support for phylink"
Previous message: Cristian Marussi: "[PATCH] firmware: arm_scmi: Rework Clock domains info lookups"
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