NAME
virtio
- Para-virtualized I/O in a virtual machine
SYNOPSIS
virtio* at pci? dev ? function ?
ld* at virtio?
vioif* at virtio?
viomb* at virtio?
DESCRIPTION
virtio
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 ALSO
ld(4),
pci(4),
vioif(4),
viomb(4)
HISTORY
The
virtio
driver first appeared in
NetBSD6.0.