iommufd · Maintained

Maintainers

• M Jason Gunthorpe <jgg@nvidia.com>
• M Kevin Tian <kevin.tian@intel.com>

Paths

• F Documentation/userspace-api/iommufd.rst
• F drivers/iommu/iommufd/
• F include/linux/iommufd.h
• F include/uapi/linux/iommufd.h
• F tools/testing/selftests/iommu/

Last 30 days

Active reviewers (last 30 days)

• Jason Gunthorpe <jgg@nvidia.com>
  1 attestation (1 Reviewed-by) · last on 2026-05-25

Recent patches

Most-recent 30 patches in this subsystem on linux-coco (capped at 30), ordered by date desc.

• COOLING6d Re: [PATCH v5 5/5] iommufd/vdevice: add TSM request ioctl
  2026-06-02 · Aneesh Kumar K.V <aneesh.kumar@kernel.org>
• COOLING6d [PATCH v5 5/5] iommufd/vdevice: add TSM request ioctl
  2026-05-25 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COOLING6d [PATCH v5 4/5] iommufd/tsm: add vdevice TSM bind/unbind ioctl
  2026-05-25 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COOLING6d [PATCH v5 3/5] iommufd/viommu: Keep a reference to the KVM file
  2026-05-25 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COOLING6d REVIEWED: 6 (6M) [PATCH v5 2/5] iommufd/device: Associate KVM file pointer with iommufd_device
  2026-05-25 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD49d [RFC PATCH v4 03/16] iommu/arm-smmu-v3: Add initial pSMMU realm viommu plumbing
  2026-04-27 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE107d [RFC PATCH kernel] iommufd: Allow mapping from KVM's guest_memfd
  2026-02-25 · Alexey Kardashevskiy <hidden>
• STALE243d [RFC PATCH v1 10/38] iommufd/vdevice: Add TSM map ioctl
  2025-07-28 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE243d [RFC PATCH v1 09/38] iommufd/vdevice: Add TSM Guest request uAPI
  2025-07-28 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE243d [RFC PATCH v1 08/38] iommufd/tsm: Add tsm_op iommufd ioctls
  2025-07-28 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE243d [RFC PATCH v1 07/38] iommufd/viommu: Add support to associate viommu with kvm instance
  2025-07-28 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE243d [RFC PATCH v1 06/38] iommufd: Add and option to request for bar mapping with IORESOURCE_EXCLUSIVE
  2025-07-28 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE335d Re: [RFC PATCH 17/30] iommufd/device: Add TSM Bind/Unbind for TIO support
  2025-06-06 · Aneesh Kumar K.V <aneesh.kumar@kernel.org>
• STALE291d [RFC PATCH 3/3] iommufd/tsm: Add tsm_bind/unbind iommufd ioctls
  2025-05-29 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE291d [RFC PATCH 2/3] iommufd/viommu: Add support to associate viommu with kvm instance
  2025-05-29 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE335d [RFC PATCH 29/30] iommufd/vdevice: Implement TSM handlers for trusted DMA
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 22/30] fixup! PCI/TSM: Change the guest request type definition
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 21/30] iommufd/vdevice: Add TSM Guest request uAPI
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 18/30] iommufd/viommu: Add trusted IOMMU configuration handlers for vdev
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 17/30] iommufd/device: Add TSM Bind/Unbind for TIO support
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 16/30] iommufd/viommu: track the kvm pointer & its refcount in viommu core
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 15/30] fixup: iommu/selftest: Sync .viommu_alloc() change to selftest
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 14/30] iommu/arm-smmu-v3-iommufd: Pass in kvm pointer to viommu_alloc
  2025-05-29 · Xu Yilun <hidden>
• STALE335d [RFC PATCH 13/30] fixup! iommufd/selftest: Sync iommufd_device_bind() change to selftest
  2025-05-29 · Xu Yilun <hidden>
• STALE335d REVIEWED: 6 (6M) [RFC PATCH 12/30] iommufd/device: Associate a kvm pointer to iommufd_device
  2025-05-29 · Xu Yilun <hidden>
• STALE291d Re: [PATCH v3 12/13] PCI/TSM: support TDI related operations for host TSM driver
  2025-05-27 · Aneesh Kumar K.V <aneesh.kumar@kernel.org>
• STALE382d [RFC PATCH v2 14/22] iommufd: Add TIO calls
  2025-02-18 · Alexey Kardashevskiy <hidden>
• STALE382d [RFC PATCH v2 13/22] iommufd: amd-iommu: Add vdevice support
  2025-02-18 · Alexey Kardashevskiy <hidden>
• STALE382d [RFC PATCH v2 12/22] iommufd: Allow mapping from guest_memfd
  2025-02-18 · Alexey Kardashevskiy <hidden>
• STALE628d [RFC PATCH 14/21] RFC: iommu/iommufd/amd: Add IOMMU_HWPT_TRUSTED flag, tweak DTE's DomainID, IOTLB
  2024-08-23 · Alexey Kardashevskiy <hidden>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• COLD49d [RFC PATCH v4 03/16] iommu/arm-smmu-v3: Add initial pSMMU realm viommu plumbing
  2026-04-27 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>