316 lines
10 KiB
Nix
316 lines
10 KiB
Nix
{ config, pkgs, modulesPath, lib, fetchGit, ... }:
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let
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unstable = (import ../modules/unstable.nix config);
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customPkgs = import ../packages/overlay.nix;
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in {
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imports = [
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./generic.nix
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../modules/hardware/generic.nix ../modules/hardware/video.nix ../modules/hardware/desktop.nix
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../modules/fonts.nix
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../modules/users/alexander.nix
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../modules/programs/zsh ../modules/programs/git ../modules/programs/mpv ../modules/programs/tmux ../modules/programs/emacs ../modules/programs/firefox ../modules/programs/gnome-terminal ../modules/programs/gnome ../modules/programs/i18n.nix ../modules/programs/gamemode ../modules/programs/nonvm
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../modules/programs/distributed-build/builder.nix
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../modules/programs/music
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];
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nixpkgs.overlays = [
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(import (builtins.fetchGit {
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url = "https://github.com/nix-community/emacs-overlay.git";
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ref = "master";
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rev = "ce0e9482d53d69bedc8416d8a984d00e17607826";
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}))
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#(import (builtins.fetchTarball {
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# url = "https://github.com/nix-community/NUR/archive/master.tar.gz";
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# sha256 = "0r2pcc6sjxmhg1xxk23648wrwccv2c5v44cfwglx35az5y0hmr1f";
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#}))
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(final: prev:
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let
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# NOTE: This is a really messy solution
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buildFHSUserEnvBubblewrap = prev.callPackage ../packages/build-support/build-fhs-userenv-bubblewrap {};
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in {
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steamPackages = prev.steamPackages.override {
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buildFHSUserEnv = buildFHSUserEnvBubblewrap;
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# Include gamemode in the FHS
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#extraPkgs = (pkgs: with pkgs; [ gamemode ]);
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};
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steam = final.steamPackages.steam-fhsenv.overrideAttrs (old: {
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specifyHomeDirs = true;
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chdirTo = "/home/$USER";
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});
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steam-run = final.steam.run;
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steam-run-native = (final.steam.override {
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nativeOnly = true;
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});
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steamcmd = final.steamPackages.steamcmd;
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})
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customPkgs
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];
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nixpkgs.config.packageOverrides = pkgs: {
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unstable = unstable;
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nur = (import ../modules/nur.nix pkgs);
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};
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environment = {
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systemPackages = with pkgs; [
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emacsPgtkGcc
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unstable.firmwareLinuxNonfree
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gajim
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libvirt virt-manager qemu scream
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gamemode # Custom package
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key-mapper # Custom package
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replaysorcery # Custom package
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evdev-proxy # Custom package
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vfio-isolate # Custom Package
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steam
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];
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sessionVariables = {
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# Prevent us from having to always type it out
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#NIXOS_CONFIG = "\${HOME}/Development/Personal/nixos-config/hosts/miku.nix";
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};
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etc = {
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"evdev-proxy/config.toml".source = pkgs.writeText "config.toml" ''
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log_level = "INFO"
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[[device]]
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[device.Simple]
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name = "EvdevProxyMouse"
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vendor = 0x1337
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model = 0x1337
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class = "Mouse"
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[[device.Simple.selector]]
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USBIDClass = {vendor=0x046d, model=0xc531, class="Mouse"}
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[[device.Simple.selector]]
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USBIDClass = {vendor=0x046d, model=0xc07c, class="Mouse"}
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[[device]]
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[device.Simple]
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name = "EvdevProxyTartarus"
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vendor = 0x1337
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model = 0x1338
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class = "Mouse"
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[[device.Simple.selector]]
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USBIDClass = {vendor=0x1532, model=0x022b, class="Keyboard"}
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[[device.Simple.selector]]
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EVDEVClass = {phys="\"key-mapper\""}
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'';
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"libvirt/hooks/qemu".source = let
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vfio-isolate-state = "/tmp/vfio-isolate-state";
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in pkgs.writeScript "qemu" ''
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#!${pkgs.stdenv.shell}
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guest=$1
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action=$2
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phase=$3
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extra=$4
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if [[ "$guest" = "win10" ]]; then
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case "$action" in
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prepare)
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# Only do this while in preparation
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[[ ! "$phase" = "prepare" ]] && exit 0
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sudo -u alexander systemctl --user start evdev-proxy.service
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sudo -u alexander systemctl --user start scream.service
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sleep 2
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${pkgs.vfio-isolate}/bin/vfio-isolate \
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-u ${vfio-isolate-state} \
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cpu-governor performance "$GUEST_CORES" \
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cpuset-create --cpus "$GUEST_CORES" /guest.slice \
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cpuset-create --cpus C0,4 /host.slice \
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move-tasks / /host.slice \
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irq-affinity mask "$GUEST_CORES"
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;;
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stopped)
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# Only run when the VM is fully stopped
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[[ ! "$phase" = "end" ]] && exit 0
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sudo -u alexander systemctl --user stop evdev-proxy.service
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sudo -u alexander systemctl --user stop scream.service
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${pkgs.vfio-isolate}/bin/vfio-isolate \
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restore ${vfio-isolate-state}
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esac
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fi
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'';
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};
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};
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networking = {
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interfaces.enp6s0.useDHCP = false;
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hostName = "miku";
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# Nix otherwise has a conflict with this option
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wireless.enable = lib.mkForce false;
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# Allow scream to connect to this host
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firewall.allowedUDPPorts = [ 4010 ];
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};
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boot = {
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loader = {
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systemd-boot.enable = true;
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efi.canTouchEfiVariables = true;
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};
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extraModprobeConfig = ''
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options kvm_amd nested=1
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options vfio-pci ids=1002:67df,1002:aaf0
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'';
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initrd = {
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availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" "amdgpu" "vendor-reset" ];
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kernelModules = [
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"amdgpu" # GPU (duh)
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"kvm-amd" "vfio_virqfd" "vfio_pci" "vfio_iommu_type1" "vfio" # Virt
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"uinput" # key-mapper
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"vendor-reset"
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];
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};
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kernelParams = [
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"amd_iommu=on"
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"iommu=pt"
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"sysrq_always_enabled=1"
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"kvm.ignore_msrs=1"
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"kvm.report_ignored_msrs=N"
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"fbcon=rotate:1"
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"quiet"
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];
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kernelModules = [];
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extraModulePackages = [ pkgs.linuxPackages.vendor-reset ];
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# NOTE: A regression appears to have happend between 5.10 and 5.12
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# which leads to the RX590 to have the fence fallback timer on
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# sdma0 time out (whatever this means). Maybe bisect?
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#kernelPackages = pkgs.linuxPackages_zen;
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};
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services = {
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# NOTE: key-mapper has a dbus policy file that we need to include
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dbus.packages = [ pkgs.key-mapper ];
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emacs.package = pkgs.emacsPgtkGcc;
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flatpak.enable = true;
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xserver.videoDrivers = [ "amdgpu" ];
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udev.extraRules = ''
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KERNEL=="uinput", GROUP="input"
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# This rule allows the input group to access /dev/uinput device to create virtual input devices
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KERNEL=="uinput", SUBSYSTEM=="misc", GROUP="input", MODE="660"
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# Create rules for your virtual devices to get persistent names
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KERNEL=="event*", SUBSYSTEM=="input", ATTRS{name}=="EvdevProxy*", SYMLINK+="input/by-id/virtual-event-$attr{name}"
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'';
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sshd.enable = true;
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};
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virtualisation.libvirtd = {
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enable = true;
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qemuOvmf = true;
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#qemuRunAsRoot = false;
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qemuPackage = unstable.qemu;
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qemuVerbatimConfig = ''
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seccomp_sandbox = 0
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cgroup_device_acl = [
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"/dev/null", "/dev/full", "/dev/zero",
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"/dev/random", "/dev/urandom",
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"/dev/ptmx", "/dev/kvm", "/dev/kqemu",
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"/dev/rtc","/dev/hpet",
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"/dev/input/by-id/usb-Logitech_USB_Receiver-if02-event-mouse",
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"/dev/input/by-id/usb-Razer_Razer_Tartarus_V2-event-kbd",
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"/dev/input/by-id/virtual-event-EvdevProxyMouse",
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"/dev/input/by-id/usb-Razer_Razer_BlackWidow_Ultimate-event-kbd"
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]
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'';
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};
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# NOTE: Workaround for libvirt's SYSCONFDIR being set to /var/lib
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# (See https://github.com/NixOS/nixpkgs/issues/51152#issuecomment-899374407)
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system.activationScripts.libvirt-hooks.text = ''
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ln -Tfs /etc/libvirt/hooks /var/lib/libvirt/hooks
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'';
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systemd = {
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services = {
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NetworkManager-wait-online.enable = false;
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libvirtd.path = with pkgs; [ vfio-isolate systemd ];
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};
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user.services = {
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scream = {
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description = "Audio receiver for the Scream virtual network sound card";
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#wantedBy = [ "default.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.scream}/bin/scream -i virbr0 -o pulse";
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Restart = "always";
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};
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};
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replaysorcery-kms = {
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description = "An open-source, instant-replay solution for Linux; KMS service";
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#wantedBy = [ "default.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.replaysorcery}/bin/replay-sorcery kms-service";
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Restart = "always";
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};
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};
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key-mapper = {
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description = "A tool to change the mapping of your input device buttons";
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wantedBy = [ "default.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.key-mapper}/bin/key-mapper-service";
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Restart = "always";
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# NOTE: The Tartarus may not be connected, so don't fail if we cannot set the preset
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ExecPostStart = "${pkgs.key-mapper}/bin/key-mapper --command start --preset NOOP --device \"Razer Razer Tartarus V2\"; exit 0";
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};
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};
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replaysorcery = {
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description = "An open-source, instant-replay solution for Linux";
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#wantedBy = [ "default.target" ];
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requires = [ "replaysorcery-kms.service" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.replaysorcery}/bin/replay-sorcery";
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Restart = "always";
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};
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};
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evdev-proxy = {
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description = "Creates virtual device to proxy evdev devices events";
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#wantedBy = [ "default.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.evdev-proxy}/bin/evdev-proxy";
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Restart = "always";
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};
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};
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gamemode = {
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description = "A daemon/lib combo for Linux that allows games to request a set of optimisations be temporarily applied to the host OS.";
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wantedBy = [ "default.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.gamemode}/bin/gamemoded";
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Restart = "always";
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};
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};
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};
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};
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fileSystems = {
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"/" = {
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device = "/dev/disk/by-label/root";
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fsType = "btrfs";
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};
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"/boot" = {
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device = "/dev/disk/by-label/boot";
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fsType = "vfat";
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};
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"/mnt/Storage" = {
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device = "/dev/disk/by-label/storage";
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fsType = "ext4";
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};
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};
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swapDevices = [ ];
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}
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