Xen is developing a paravirtualization mechanism for IOMMU.
The developers of the XCP-NG project, which develops an open platform for deploying and managing cloud infrastructure, have introduced the PV-IOMMU project, allowing guest systems to access limited IOMMU functionality implemented using Xen's paravirtualization infrastructure. In practice, PV-IOMMU can be utilized to implement DMA protection in Dom0 or to support the Linux kernel's VFIO subsystem. Previously, the Xen hypervisor used IOMMU for […]
