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[Xen-devel] [PATCH 00 of 16] [V2] amd iommu: support ATS device passthru on IOMMUv2 systems
ATS devices with PRI and PASID capabilities can communicate with iommuv2 to
perform two level (nested) address translation and demand paging for DMA.
To passthru such devices, iommu driver has to been enabled in guest OS.
This patch set adds initial iommu emulation for hvm guests to support ATS
device passthru.
Changes in v2:
* Do not use linked list to access guest iommu tables.
* Do not parse iommu parameter in libxl_device_model_info again.
* Fix incorrect logical calculation in patch 11.
* Fix hypercall definition for non-x86 systems.
Please review.
Thanks,
Wei
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