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* Add virtio-iommu device specificationJean-Philippe Brucker2020-01-201-0/+816
The IOMMU device allows a guest to manage DMA mappings for physical, emulated and paravirtualized endpoints. Add device description for the virtio-iommu device and driver. Introduce PROBE, ATTACH, DETACH, MAP and UNMAP requests, as well as translation error reporting. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/37 Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>