2023-05-13 16:15:13 -07:00

58 lines
1.7 KiB
Nix

# vfio setup for windows gaming with single gpu
{ config, lib, pkgs, user, ... }:
let cfg = config.modules.services.vfio;
in {
options.modules.services.vfio.enable = lib.mkEnableOption "samba";
config = lib.mkIf cfg.enable {
users.users.${user}.extraGroups = [ "qemu-libvirtd" "libvirtd" "kvm" ];
# Boot configuration
boot.kernelParams = [ "amd_iommu=on" "iommu=pt" ];
boot.kernelModules = [ "kvm-amd" "vfio-pci" ];
programs.dconf.enable = true;
environment.systemPackages = with pkgs; [ virt-manager ];
# Enable libvirtd
virtualisation.libvirtd = {
enable = true;
onBoot = "ignore";
onShutdown = "shutdown";
qemu.ovmf.enable = true;
qemu.runAsRoot = true;
};
# Place helper files where libvirt can get to them
environment.etc = {
"libvirt/hooks/qemu" = {
source = "/home/${user}/.setup/local/gpu-passthrough/qemu";
mode = "0755";
};
"libvirt/hooks/qemu.d/win10/prepare/begin/start.sh" = {
source = "/home/${user}/.setup/local/gpu-passthrough/start.sh";
mode = "0755";
};
"libvirt/hooks/qemu.d/win10/release/end/revert.sh" = {
source = "/home/${user}/.setup/local/gpu-passthrough/revert.sh";
mode = "0755";
};
"libvirt/qemu.conf" = {
source = "/home/${user}/.setup/local/gpu-passthrough/qemu.conf";
mode = "0755";
};
"libvirt/libvirtd.conf" = {
source = "/home/${user}/.setup/local/gpu-passthrough/libvirtd.conf";
mode = "0755";
};
"libvirt/patch.rom" = {
source = "/home/${user}/.setup/local/gpu-passthrough/patch.rom";
mode = "0755";
};
};
};
}