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VIRTIO(4) Device Drivers Manual VIRTIO(4)

virtio
VirtIO support driver

virtio* at pci?

The virtio driver provides support service for paravirtualized devices using the VirtIO protocol. Such devices are provided by bhyve, KVM, QEMU, and VirtualBox.
Currently there are drivers for the following virtio devices:
vio(4)
VirtIO network device
vioblk(4)
VirtIO disk
viomb(4)
VirtIO memory ballooning driver
viornd(4)
VirtIO random number device
vioscsi(4)
VirtIO SCSI adapter

intro(4)

The virtio driver first appeared in OpenBSD 5.3.

The virtio driver was ported to OpenBSD and improved by Stefan Fritsch <sf@sfritsch.de>. It is based on the NetBSD driver by Minoura Makoto.
January 21, 2014 OpenBSD-5.7