VMM control interface
vmmci* at virtio?
vmmci driver provides a control
interface for virtual machines running inside
OpenBSD vmm(4) (virtual machine monitor) hosts.
The driver handles shutdown and reboot requests from the
vmm(4) host by
signalling init(8) with
pvbus(4), vmm(4), init(8), vmd(8)
vmmci driver first appeared in
vmmci driver was written by