iommu dma-api layer · Maintained

Maintainers

• M Robin Murphy <robin.murphy@arm.com>

Paths

• F drivers/iommu/dma-iommu.c
• F drivers/iommu/dma-iommu.h
• F drivers/iommu/iova.c
• F include/linux/iommu-dma.h
• F include/linux/iova.h

Last 30 days

Active reviewers (last 30 days)

• Mostafa Saleh <smostafa@google.com>
  5 attestations (2 Reviewed-by, 3 Tested-by) · last on 2026-06-04
• Michael Kelley <hidden>
  3 attestations (3 Tested-by) · last on 2026-06-04
• Jiri Pirko <hidden>
  2 attestations (2 Tested-by) · last on 2026-06-04

Recent patches

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

• HOTtoday REVIEWED: 2 (1M) [PATCH v6 15/20] iommu/dma: Check atomic pool allocation result directly
  2026-06-04 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• HOTtoday REVIEWED: 2 (1M) [PATCH v6 05/20] dma: swiotlb: pass mapping attributes by reference
  2026-06-04 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• HOTtoday REVIEWED: 4 (2M) [PATCH v6 04/20] dma-pool: track decrypted atomic pools and select them via attrs
  2026-06-04 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM3d [PATCH v5 16/20] iommu/dma: Check atomic pool allocation result directly
  2026-05-22 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM3d [PATCH v5 06/20] dma: swiotlb: pass mapping attributes by reference
  2026-05-22 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM3d REVIEWED: 2 (1M) [PATCH v5 05/20] dma-pool: track decrypted atomic pools and select them via attrs
  2026-05-22 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD21d [PATCH v4 03/13] dma-pool: track decrypted atomic pools and select them via attrs
  2026-05-12 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE261d LANDED: 7 (7M) [PATCH v6 11/16] dma-mapping: export new dma_*map_phys() interface
  2025-09-09 · Leon Romanovsky <leon@kernel.org>
• STALE261d LANDED: 6 (6M) [PATCH v6 05/16] iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys
  2025-09-09 · Leon Romanovsky <leon@kernel.org>
• STALE261d LANDED: 6 (6M) [PATCH v6 06/16] iommu/dma: implement DMA_ATTR_MMIO for iommu_dma_(un)map_phys()
  2025-09-09 · Leon Romanovsky <leon@kernel.org>
• STALE261d LANDED: 6 (6M) [PATCH v6 02/16] iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link().
  2025-09-09 · Leon Romanovsky <leon@kernel.org>
• STALE279d REVIEWED: 7 (7M) [PATCH v5 11/16] dma-mapping: export new dma_*map_phys() interface
  2025-09-02 · Leon Romanovsky <leon@kernel.org>
• STALE279d REVIEWED: 6 (6M) [PATCH v5 06/16] iommu/dma: implement DMA_ATTR_MMIO for iommu_dma_(un)map_phys()
  2025-09-02 · Leon Romanovsky <leon@kernel.org>
• STALE279d REVIEWED: 6 (6M) [PATCH v5 05/16] iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys
  2025-09-02 · Leon Romanovsky <leon@kernel.org>
• STALE279d REVIEWED: 6 (6M) [PATCH v5 02/16] iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link().
  2025-09-02 · Leon Romanovsky <leon@kernel.org>
• STALE276d [PATCH v4 11/16] dma-mapping: export new dma_*map_phys() interface
  2025-08-19 · Leon Romanovsky <leon@kernel.org>
• STALE276d [PATCH v4 05/16] iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys
  2025-08-19 · Leon Romanovsky <leon@kernel.org>
• STALE276d [PATCH v4 06/16] iommu/dma: extend iommu_dma_*map_phys API to handle MMIO memory
  2025-08-19 · Leon Romanovsky <leon@kernel.org>
• STALE276d REVIEWED: 6 (6M) [PATCH v4 02/16] iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link().
  2025-08-19 · Leon Romanovsky <leon@kernel.org>
• STALE299d [PATCH v3 11/16] dma-mapping: export new dma_*map_phys() interface
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE299d [PATCH v3 06/16] iommu/dma: extend iommu_dma_*map_phys API to handle MMIO memory
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE299d REVIEWED: 6 (6M) [PATCH v3 02/16] iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link().
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE299d [PATCH v3 05/16] iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE301d [PATCH v2 11/16] dma-mapping: export new dma_*map_phys() interface
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE301d [PATCH v2 06/16] iommu/dma: extend iommu_dma_*map_phys API to handle MMIO memory
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE301d [PATCH v2 05/16] iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE301d REVIEWED: 6 (6M) [PATCH v2 02/16] iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link().
  2025-08-14 · Leon Romanovsky <leon@kernel.org>
• STALE301d [PATCH v1 11/16] dma-mapping: export new dma_*map_phys() interface
  2025-08-04 · Leon Romanovsky <leon@kernel.org>
• STALE301d [PATCH v1 05/16] iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys
  2025-08-04 · Leon Romanovsky <leon@kernel.org>
• STALE301d [PATCH v1 06/16] iommu/dma: extend iommu_dma_*map_phys API to handle MMIO memory
  2025-08-04 · Leon Romanovsky <leon@kernel.org>