diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/hardware/tlp.nix')
-rw-r--r-- | nixpkgs/nixos/modules/services/hardware/tlp.nix | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/hardware/tlp.nix b/nixpkgs/nixos/modules/services/hardware/tlp.nix new file mode 100644 index 000000000000..092ff051a042 --- /dev/null +++ b/nixpkgs/nixos/modules/services/hardware/tlp.nix @@ -0,0 +1,120 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + +cfg = config.services.tlp; + +enableRDW = config.networking.networkmanager.enable; + +tlp = pkgs.tlp.override { + inherit enableRDW; +}; + +# XXX: We can't use writeTextFile + readFile here because it triggers +# TLP build to get the .drv (even on --dry-run). +confFile = pkgs.runCommand "tlp" + { config = cfg.extraConfig; + passAsFile = [ "config" ]; + preferLocalBuild = true; + } + '' + cat ${tlp}/etc/default/tlp > $out + cat $configPath >> $out + ''; + +in + +{ + + ###### interface + + options = { + + services.tlp = { + + enable = mkOption { + type = types.bool; + default = false; + description = "Whether to enable the TLP daemon."; + }; + + extraConfig = mkOption { + type = types.lines; + default = ""; + description = "Additional configuration variables for TLP"; + }; + + }; + + }; + + + ###### implementation + + config = mkIf cfg.enable { + + powerManagement.scsiLinkPolicy = null; + powerManagement.cpuFreqGovernor = null; + powerManagement.cpufreq.max = null; + powerManagement.cpufreq.min = null; + + systemd.sockets."systemd-rfkill".enable = false; + + systemd.services = { + "systemd-rfkill@".enable = false; + "systemd-rfkill".enable = false; + + tlp = { + description = "TLP system startup/shutdown"; + + after = [ "multi-user.target" ]; + wantedBy = [ "multi-user.target" ]; + before = [ "shutdown.target" ]; + restartTriggers = [ confFile ]; + + serviceConfig = { + Type = "oneshot"; + RemainAfterExit = true; + ExecStart = "${tlp}/bin/tlp init start"; + ExecStop = "${tlp}/bin/tlp init stop"; + }; + }; + + tlp-sleep = { + description = "TLP suspend/resume"; + + wantedBy = [ "sleep.target" ]; + before = [ "sleep.target" ]; + + unitConfig = { + StopWhenUnneeded = true; + }; + + serviceConfig = { + Type = "oneshot"; + RemainAfterExit = true; + ExecStart = "${tlp}/bin/tlp suspend"; + ExecStop = "${tlp}/bin/tlp resume"; + }; + }; + }; + + services.udev.packages = [ tlp ]; + + environment.etc = [{ source = confFile; + target = "default/tlp"; + } + ] ++ optional enableRDW { + source = "${tlp}/etc/NetworkManager/dispatcher.d/99tlp-rdw-nm"; + target = "NetworkManager/dispatcher.d/99tlp-rdw-nm"; + }; + + environment.systemPackages = [ tlp ]; + + boot.kernelModules = [ "msr" ]; + + }; + +} |