eater's vore. vm daemon specifically for vfio qemu set ups
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VFIO Orientated Emulation (definitely)

What is vore?

vore is a virtual machine management tool focused on VFIO set ups. with a minimal TOML file you should be able to get you should be able to create a VFIO-focused VM.

It features close integration for this use cases, for example automatic configuration of Looking Glass.

How it works

vore loads a TOML file, sends it to the vored daemon, which processes it and auto completes required information, and then passes it to a Lua script. this Lua script builds up the qemu command, which then gets started and managed by vored.

vored also allows you to save definitions, and reserve vfio devices, so that they are claimed at system start up.



  • Rust
  • Lua 5.4 (including headers)


  • Lua 5.4

VM Definition

This is a annotated VM definition with about every option displayed

# Name of the VM, this will be the name used internally and externally for the vm
name = "win10"
# Amount of memory for the virtual machine
memory = "12G"
# Shorthand for <feature>.enabled = true
features = [
# If vore should automatically start this VM when the daemon starts
#auto-start = false

# Amount of vCPU's should be given to the 
amount = 12
# If any of the following are given, vore will automatically calculate
# the amount of vCPU's, however if both are given, vore will verify it's correctness
# Amount of threads ever core has
# If amount is even or not set, this is set to 2, if odd, it's set to 1
#threads = 2
# Amount of cores on this die
# If amount is even, this is set to amount/2, if odd it's set to amount
# If amount is not set this is 2
#cores = 6
# Amount of dies per socket, defaults to 1
#dies = 1
# Amount of sockets, defaults to 1
#sockets = 1

# You can add multiple disks by adding more `[[disk]]` entries
# Preset used for this disk, defined in qemu.lua, 
# run `vore disk preset` to list all available presets
preset = "nvme"
# Path to disk file  
path = "/dev/disk/by-id/nvme-eui.6479a74530201073"
# Type of disk file, will be automatically set, 
# but vore will tell you if it can't figure it out
#disk_type = "raw"

# If when this VM is saved, vored should try to automatically 
# bind it to the vfio-pci driver
reserve = true
# vendor, device and index (0-indexed!) can be used to select a certain card
# this will grab the second GTX 1080 in the system
vendor = 0x10de
device = 0x1b80
index = 1
# you can also instead set addr directly
# -however- if you set both vore will check if both match and error out if not
# this can be helpful when passing through system devices,
# which may move after insertion of e.g. nvme drive
addr = "0b:00.3"

# if this device is a graphics card
# it'll both set x-vga, and disable QEMU's virtual GPU
graphics = true

# if this device is multifunctional
#multifunction = false

# If a pulseaudio backed audio device should be created
# using the features shorthand is preferred
#enabled = true
# Path to PulseAudio native socket 
# if not specified vore will automatically resolve it
#socket-path = ""
# To which user's PulseAudio session it should connect
# Can be prefixed with # to set an id
# Default is #1000, which is the common default user id
#user = "#1000"

# if spice support should be enabled
# using the features shorthand is preferred
#enabled = true
# on which path the SPICE socket should listen
# If not set vore will use /var/lib/vore/instance/<name>/spice.sock
#socket-path = "/run/spicy.sock"

# if looking-glass support should be enabled
# using the features shorthand is preferred
#enabled = true
# width, height, and bit depth of the screen LG will transfer 
# this info is used to calculate the required shared memory file size 
width = 2560
height = 1080
#bit-depth = 8
# Alternatively you can set the buffer size directly
# vore will automatically pick the lowest higher or equal to buffer-size
# that is a power of 2
#buffer-size = 999999
# Path to the shared memory file looking-glass should use
# if not specified vore will create a path.
# this is mostly for in the case you use the kvmfr kernel module
#mem-path = "/dev/kvmfr0" 


  • hugepages support
  • USB passthrough
  • Hot-plug USB via vore attach <addr>
  • jack audiodev support
  • qemu cmdline on request (vore x qemucmd)
  • Better CPU support and feature assignment
  • more control over CPU pinning (now just pickes the fist amount of CPU's)
  • Network device configuration