VIRTIO(4) BSD Kernel Interfaces Manual VIRTIO(4)NAMEvirtio — Para-virtualized I/O in a virtual machine
SYNOPSIS
virtio* at pci? dev ? function ?
ld* at virtio?
vioif* at virtio?
viomb* at virtio?
DESCRIPTIONvirtio defines an interface for efficient, standard and extensible I/O
between the hypervisor and the virtual machine. The virtio device driver
represents an emulated PCI device that the hypervisor makes available to
the virtual machine.
virtio driver itself provides the core infrastructure to communicate with
the hypervisor (called virtqueues) and supports the following devices:
ld(4) A Disk device.
vioif(4)
An Ethernet device.
viomb(4)
A pseudo-device to release memory back to the hypervisor.
SEE ALSOld(4), pci(4), vioif(4), viomb(4)
Rusty Russell, IBM Corporation, Virtio PCI Card Specification,
http://ozlabs.org/~rusty/virtio-spec/.
HISTORY
The virtio driver first appeared in NetBSD 6.0.
BSD November 5, 2011 BSD