nixos-config/hosts/miku.nix

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{ config, lib, pkgs, ... }:
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let
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mkHost = (import ../modules { lib = lib; pkgs = pkgs; }).mkHost;
in mkHost config {
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userName = "alexander";
hostName = "miku";
overlays = [ "nur" "steam" "unstable" "simple" "custom" "emacs" ];
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hardwareImports = [ "amdgpu" "amd" ];
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programImports = [
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"zsh" "git" "mpv" "tmux" "emacs" "firefox" "gnome-terminal" "gnome" "i18n" "gamemode"
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"distributed-build/builder.nix"
"music"
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];
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extraImports = [ "virtualisation/gaming.nix" ];
fileSystems = {
"/" = {
device = "/dev/disk/by-label/root";
fsType = "btrfs";
};
"/boot" = {
device = "/dev/disk/by-label/boot";
fsType = "vfat";
};
"/mnt/Storage" = {
device = "/dev/disk/by-label/storage";
fsType = "ext4";
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};
};
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extraPackages = pkgs: with pkgs; [
emacsPgtkGcc
gajim
virt-manager unstable.qemu scream
gamemode # Custom package
key-mapper # Custom package
replaysorcery # Custom package
evdev-proxy # Custom package
vfio-isolate # Custom Package
steam
discord-system-electron-wrapped # Custom package
discord-wrapper # Custom package
superpaper # Custom package
mumble
piper
];
extraOptions = old: {
programs.mpv.primaryScreen = "C27F398";
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# TODO: Move to virtualisation/gaming.nix
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# Allow scream to connect to this host
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networking.firewall.allowedUDPPorts = [ 4010 ];
boot = {
extraModprobeConfig = ''
options kvm_amd nested=1
options vfio-pci ids=1002:67df,1002:aaf0
'';
initrd = {
availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" "amdgpu" "vendor-reset" ];
kernelModules = [
"amdgpu" # GPU (duh)
"kvm-amd" "vfio_virqfd" "vfio_pci" "vfio_iommu_type1" "vfio" # Virt
"uinput" # key-mapper
"vendor-reset"
];
};
kernelParams = [
"amd_iommu=on"
"iommu=pt"
"sysrq_always_enabled=1"
"kvm.ignore_msrs=1"
"kvm.report_ignored_msrs=N"
"fbcon=rotate:1"
"quiet"
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];
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extraModulePackages = [ pkgs.linuxPackages.vendor-reset ];
# NOTE: A regression appears to have happend between 5.10 and 5.12
# which leads to the RX590 to have the fence fallback timer on
# sdma0 time out (whatever this means). Maybe bisect?
#kernelPackages = pkgs.linuxPackages_zen;
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};
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services = {
ratbagd.enable = true;
flatpak.enable = true;
# TODO: Move to hardware/ and the respective custom package
udev.extraRules = ''
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KERNEL=="uinput", GROUP="input"
# This rule allows the input group to access /dev/uinput device to create virtual input devices
KERNEL=="uinput", SUBSYSTEM=="misc", GROUP="input", MODE="660"
# Create rules for your virtual devices to get persistent names
KERNEL=="event*", SUBSYSTEM=="input", ATTRS{name}=="EvdevProxy*", SYMLINK+="input/by-id/virtual-event-$attr{name}"
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'';
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};
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security = {
pam.loginLimits = [
{
domain = "@gamemode";
item = "-";
type = "nice";
value = "-10";
}
];
wrappers = {
gamemoded = {
source = "${pkgs.gamemode}/bin/gamemoded";
capabilities = "cap_sys_nice+ep";
};
};
};
# TODO: Move into modules
systemd.user.services = {
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scream = {
description = "Audio receiver for the Scream virtual network sound card";
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#wantedBy = [ "default.target" ];
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serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.scream}/bin/scream -i virbr0 -o pulse";
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Restart = "always";
};
};
replaysorcery-kms = {
description = "An open-source, instant-replay solution for Linux; KMS service";
#wantedBy = [ "default.target" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.replaysorcery}/bin/replay-sorcery kms-service";
Restart = "always";
};
};
key-mapper = {
description = "A tool to change the mapping of your input device buttons";
wantedBy = [ "default.target" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.key-mapper}/bin/key-mapper-service";
Restart = "always";
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# NOTE: The Tartarus may not be connected, so don't fail if we cannot set the preset
ExecPostStart = "${pkgs.key-mapper}/bin/key-mapper --command start --preset NOOP --device \"Razer Razer Tartarus V2\"; exit 0";
};
};
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replaysorcery = {
description = "An open-source, instant-replay solution for Linux";
#wantedBy = [ "default.target" ];
requires = [ "replaysorcery-kms.service" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.replaysorcery}/bin/replay-sorcery";
Restart = "always";
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};
};
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# TODO: Remove once in stable or I decide to use unstable
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gamemode = {
description = "A daemon/lib combo for Linux that allows games to request a set of optimisations be temporarily applied to the host OS.";
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wantedBy = [ "default.target" ];
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environment.PATH = lib.mkForce (pkgs.linkFarm "pkexec" [
{
name = "pkexec";
path = "${config.security.wrapperDir}/pkexec";
}
]);
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serviceConfig = {
Type = "simple";
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ExecStart = "${config.security.wrapperDir}/gamemoded";
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Restart = "always";
};
};
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superpaper = {
description = "A cross-platform multi monitor wallpaper manager.";
wantedBy = [ "default.target" ];
path = [ pkgs.glib ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.superpaper}/bin/superpaper";
Restart = "always";
};
};
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};
};
}