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Hypervisor Support

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Platform Hypervisor +Virtual GPU support +Memory Sharing APIs +IOMMU Groups support +PCI forwarding +Mdev Support +SR-IOV Support +SIOV Support +
KVM +Yes +IVSHMEM +Yes +Yes (via VFIO) +Yes +Yes +In Development +
Xen +Yes +Grant Tables +No +Yes (via xen-pciback) +No +Yes +Unknown +
NVMM +Unknown +Unknown +No +Unknown +No +Unknown +No +
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KVM

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This section will cover existing support in KVM for VFIO-Mdev and ongoing issues with it's existing implementation. +

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Missing Functionality

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Nested SR-IOV. +

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Xen

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This section will cover efforts to support the Xen hypervisor with open device mediation software. +

XAPI docs for virtual GPUs can be read here. +

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Mdev drivers outside Dom0

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Xen Hyperlaunch aims to disaggregate Dom0's monolithic functions. This includes a discrete domain for device drivers. +

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Missing Functionality

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IOMMU Groups (discussions around extending or reworking Xen's IOMMU to include IOMMU Groups is ongoing). +

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Additional Documentation

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For additional documentation check the XenProject Wiki. +

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NVMM

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This section will cover NetBSD's NVMM. +

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Missing Functionality

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VFIO. +

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Additional Documentation

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For additional documentation read From Zero to NVMM. +

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