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The virtio IOMMU is a para-virtualized device, allowing to send IOMMU requests such as map/unmap over virtio transport without emulating page tables. This implementation handles ATTACH, DETACH, MAP and UNMAP requests. The bulk of the code transforms calls coming from the IOMMU API into corresponding virtio requests. Mappings are kept in an interval tree instead of page tables. A little more work is required for modular and x86 support, so for the moment the driver depends on CONFIG_VIRTIO=y and CONFIG_ARM64. Tested-by: Bharat Bhushan <bharat.bhushan@nxp.com> Tested-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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| .. | ||
| amd_iommu_debugfs.c | ||
| amd_iommu_init.c | ||
| amd_iommu_proto.h | ||
| amd_iommu_types.h | ||
| amd_iommu_v2.c | ||
| amd_iommu.c | ||
| arm-smmu-regs.h | ||
| arm-smmu-v3.c | ||
| arm-smmu.c | ||
| dma-iommu.c | ||
| dmar.c | ||
| exynos-iommu.c | ||
| fsl_pamu_domain.c | ||
| fsl_pamu_domain.h | ||
| fsl_pamu.c | ||
| fsl_pamu.h | ||
| hyperv-iommu.c | ||
| intel_irq_remapping.c | ||
| intel-iommu-debugfs.c | ||
| intel-iommu.c | ||
| intel-pasid.c | ||
| intel-pasid.h | ||
| intel-svm.c | ||
| io-pgtable-arm-v7s.c | ||
| io-pgtable-arm.c | ||
| io-pgtable.c | ||
| iommu-debugfs.c | ||
| iommu-sysfs.c | ||
| iommu-traces.c | ||
| iommu.c | ||
| iova.c | ||
| ipmmu-vmsa.c | ||
| irq_remapping.c | ||
| irq_remapping.h | ||
| Kconfig | ||
| Makefile | ||
| msm_iommu_hw-8xxx.h | ||
| msm_iommu.c | ||
| msm_iommu.h | ||
| mtk_iommu_v1.c | ||
| mtk_iommu.c | ||
| mtk_iommu.h | ||
| of_iommu.c | ||
| omap-iommu-debug.c | ||
| omap-iommu.c | ||
| omap-iommu.h | ||
| omap-iopgtable.h | ||
| qcom_iommu.c | ||
| rockchip-iommu.c | ||
| s390-iommu.c | ||
| tegra-gart.c | ||
| tegra-smmu.c | ||
| virtio-iommu.c | ||