VIRTIO_F_IOMMU_PLATFORM, if this feature bit is provided in the device, then the guest virtio driver is forced to use dma api to manage all corresponding dma memory access, otherwise the device will be disabled by system compulsorily.

VHPC 2021 - Bring your own virtual devices.pdf

Virtio blk的优化总结

Cgroup V2

Namespace

Crossvm

虚拟化基础

Virtio-net

Vhost-user

Virtio blk