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| Availability | Acceptance in the VIRTIO standard | Proposal for the standard | De facto standard | Implementation status | In QEMU / Linux kernel | FOSSS in a GitHub Repo | Commercial / closed-source implementation | Other implementations | Complexity estimation | Performance | Code maturity | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| virtio-iommu | Yes | Expected to land in 1.2 | Final proposal v0.4 [1]. | No | The device can handle attach/detach and map/unmap requests from a guest. | Not yet, patches submittedYes | Yes: kernel (upstream since 5.3) [2], QEMU [3] | ARM SMMUv3 Emulation [4] | Low/Medium | Low, see [5] page 21, needs testing | Medium |
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