openvz specific values for domain/devices tag

[knawnd@xxxxxxxxx]

Hi!

Could you, please, point me to where I can read about possible values 
for domain/devices tag in case of OpenVZ?

I couldn't find such info at [1] whereas e.g. filesystem is mentioned at 
[2] but not at [1].

Thanks!
Nikolay.

[1] http://libvirt.org/formatdomain.html#elementsDevices
[2] http://libvirt.org/drvopenvz.html