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nixos/virtualisation.kvmgt: explain explicitly it is meant for host (#517650)

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Doron Behar 2026-05-11 07:00:06 +00:00 • committed by GitHub
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11
nixos/modules/virtualisation/kvmgt.nix
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@ -24,9 +24,10 @@ in
options = {
virtualisation.kvmgt = {
enable = mkEnableOption ''
KVMGT (iGVT-g) VGPU support. Allows Qemu/KVM guests to share host's Intel integrated graphics card.
Currently only one graphical device can be shared. To allow users to access the device without root add them
to the kvm group: `users.extraUsers.<yourusername>.extraGroups = [ "kvm" ];`
KVMGT (iGVT-g) VGPU support.
When enabled on a host, allows Qemu/KVM guests to share host's Intel integrated graphics card.
Currently only one graphical device can be shared.
To allow host users to access the device without root add them to the kvm group: `users.extraUsers.<yourusername>.extraGroups = [ "kvm" ];`
'';
# multi GPU support is under the question
device = mkOption {
@ -38,8 +39,8 @@ in
default = { };
type = with types; attrsOf (submodule [ { options = vgpuOptions; } ]);
description = ''
Virtual GPUs to be used in Qemu. You can find devices via {command}`ls /sys/bus/pci/devices/*/mdev_supported_types`
and find info about device via {command}`cat /sys/bus/pci/devices/*/mdev_supported_types/i915-GVTg_V5_4/description`
Virtual GPUs of the host to be used in Qemu.
You can find devices via {command}`ls /sys/bus/pci/devices/*/mdev_supported_types` and find info about device via {command}`cat /sys/bus/pci/devices/*/mdev_supported_types/i915-GVTg_V5_4/description`
'';
example = {
i915-GVTg_V5_8.uuid = [ "a297db4a-f4c2-11e6-90f6-d3b88d6c9525" ];