xen(4) - OpenBSD manual pages (original) (raw)

NAME

xen —Xen domU nexus device

SYNOPSIS

xen0 at pvbus?

DESCRIPTION

xen driver performs HVM domU guest initialization, provides abstraction for virtual Xen interrupts, access to the XenStore configuration storage as well as a device probing facility for paravirtualized devices such as disk and network interfaces.

When running under XenServer, to let the host know that the guest has finished initializing and to allow graceful shutdown, set the following XenStore properties withhostctl(8) in rc.local(8):

ostype=$(sysctl -n kern.ostype) osrelease=$(sysctl -n kern.osrelease)

XenServer Tools version

hostctl attr/PVAddons/MajorVersion 6 hostctl attr/PVAddons/MinorVersion 2 hostctl attr/PVAddons/MicroVersion 0 hostctl attr/PVAddons/BuildVersion 76888 hostctl attr/PVAddons/Installed 1

OS version

hostctl data/os_name "$ostype $osrelease" hostctl data/os_uname $osrelease hostctl data/os_distro $ostype

Inform Xen of IPs bound to the VM

hostctl attr/vif/0/ipv4/0 192.0.2.1 hostctl attr/vif/0/ipv6/0 2001:db8::1

Update XenStore

hostctl data/updated 1

SEE ALSO

autoconf(4), intro(4), pvbus(4)

HISTORY

The xen driver first appeared inOpenBSD 5.9.

The xen driver was written byMike Belopuhov <mikeb@openbsd.org> from scratch, inspired by the FreeBSD implementation.