vfio driver · Maintained

Maintainers

• M Alex Williamson <alex@shazbot.org>

Paths

• F Documentation/ABI/testing/debugfs-vfio
• F Documentation/ABI/testing/sysfs-devices-vfio-dev
• F Documentation/driver-api/vfio.rst
• F drivers/vfio/
• F include/linux/vfio.h
• F include/linux/vfio_pci_core.h
• F include/uapi/linux/vfio.h
• F tools/testing/selftests/vfio/

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 25 patches in this subsystem on linux-coco, ordered by date desc.

• COOLING10d 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>
• COOLING10d [PATCH v5 1/5] vfio: cache KVM VM file references instead of raw struct kvm pointers
  2026-05-25 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE247d [RFC PATCH v1 33/38] KVM: arm64: CCA: handle dev mem map/unmap
  2025-07-28 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE247d [RFC PATCH v1 08/38] iommufd/tsm: Add tsm_op iommufd ioctls
  2025-07-28 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE247d [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>
• STALE339d [RFC PATCH 28/30] vfio/pci: Implement TSM handlers for MMIO
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 20/30] vfio/pci: Do TSM Unbind before zapping bars
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 19/30] vfio/pci: Add TSM TDI bind/unbind IOCTLs for TEE-IO support
  2025-05-29 · Xu Yilun <hidden>
• STALE339d REVIEWED: 6 (6M) [RFC PATCH 12/30] iommufd/device: Associate a kvm pointer to iommufd_device
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 10/30] vfio/pci: Export vfio dma-buf specific info for importers
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 06/30] HACK: vfio/pci: Support get_pfn() callback for dma-buf
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 05/30] fixup! vfio/pci: fix dma-buf revoke typo on reset
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 04/30] vfio/pci: Allow MMIO regions to be exported through dma-buf
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 03/30] vfio/pci: Share the core device pointer while invoking feature functions
  2025-05-29 · Xu Yilun <hidden>
• STALE339d [RFC PATCH 02/30] vfio: Export vfio device get and put registration helpers
  2025-05-29 · Xu Yilun <hidden>
• STALE294d 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>
• STALE469d [RFC PATCH 3/7] tsm: vfio: Add tsm bind/unbind support
  2025-02-26 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD38d [RFC PATCH 09/12] vfio/pci: Export vfio dma-buf specific info for importers
  2025-01-08 · Xu Yilun <hidden>
• COLD38d [RFC PATCH 08/12] vfio/pci: Create host unaccessible dma-buf for private device
  2025-01-08 · Xu Yilun <hidden>
• COLD38d [RFC PATCH 05/12] vfio/pci: Support get_pfn() callback for dma-buf
  2025-01-08 · Xu Yilun <hidden>
• COLD38d [RFC PATCH 04/12] vfio/pci: Allow MMIO regions to be exported through dma-buf
  2025-01-08 · Xu Yilun <hidden>
• COLD38d [RFC PATCH 03/12] vfio/pci: Share the core device pointer while invoking feature functions
  2025-01-08 · Xu Yilun <hidden>
• COLD38d [RFC PATCH 02/12] vfio: Export vfio device get and put registration helpers
  2025-01-08 · Xu Yilun <hidden>
• STALE632d [RFC PATCH 10/21] vfio: Export helper to get vfio_device from fd
  2024-08-23 · Alexey Kardashevskiy <hidden>
• STALE821d [PATCH 12/12] PCI/CMA: Grant guests exclusive control of authentication
  2023-09-28 · Lukas Wunner <lukas@wunner.de>