Registry of ioctl numbers currently in use
To add a new ioctl find an available number and add it to this list.

Global commands (/dev/v3vee)

12 -- (VMM) Create VM
13 -- (VMM) Free VM

50 -- (VMM) Add physical memory to VMM manager
51 -- (VMM) Reset VMM manager memory counts

55 -- (IFACE) Add PCI HW Device
56 -- (IFACE) Add PCI User Device


VM Commands (/dev/v3-vm*)

20 -- (IFACE) Connect CGA Console
21 -- (IFACE) Connect Stream

23 -- (VMM) Pause VM
24 -- (VMM) Continue VM
25 -- (VMM) Launch VM
26 -- (VMM) Stop VM
27 -- (VMM) Load VM
28 -- (VMM) Save VM
29 -- (VMM) Simulate guest
30 -- (EXT) Activate Inspector
31 -- (VMM) Debug VM
33 -- (VMM) Move VM core

257 -- (IFACE) VGA Console Framebuf Input
258 -- (IFACE) VGA Console Framebuf Query

10245 -- (IFACE) Connect Host Device

12123 -- (EXT) Inject Top Half Code into Guest

12124 -- (EXT) Register host hypercall (remember to insmod first)
12124 -- (EXT) Unregister host hypercall 

13125 -- (EXT) Inject Environment Variables into Guest Process

5CA11 -- (EXT) Get/Set System call exiting status