Secure Mobile Access 100 10.2 Getting Started Guide for KVM
Paravirtualization
In hardware-assisted full virtualization, guest operating systems issue calls directly to the hardware. In paravirtualization, guest operating systems communicate with the hypervisor (KVM/QEMU) with an API (Virtio).
This API defines paravirtual devices including Ethernet cards, disk I/O subsytems, and VGA interfaces with SPICE
drivers.
For an overview of VirtIO, see: https://www.cs.cmu.edu/~412/lectures/Virtio_2015-10-14.pdf
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