virtio(4) netbsd man page | unix.com

VIRTIO(4)						   BSD Kernel Interfaces Manual 						 VIRTIO(4)

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)

     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