95 lines
3.2 KiB
Nix
95 lines
3.2 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
with lib;
|
|
let
|
|
cfg = config.services.tlp;
|
|
enableRDW = config.networking.networkmanager.enable;
|
|
tlp = pkgs.tlp.override { inherit enableRDW; };
|
|
# TODO: Use this for having proper parameters in the future
|
|
mkTlpConfig = tlpConfig: generators.toKeyValue {
|
|
mkKeyValue = generators.mkKeyValueDefault {
|
|
mkValueString = val:
|
|
if isInt val then toString val
|
|
else if isString val then val
|
|
else if true == val then "1"
|
|
else if false == val then "0"
|
|
else if isList val then "\"" + (concatStringsSep " " val) + "\""
|
|
else err "invalid value provided to mkTlpConfig:" (toString val);
|
|
} "=";
|
|
} tlpConfig;
|
|
in
|
|
{
|
|
###### interface
|
|
options = {
|
|
services.tlp = {
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = "Whether to enable the TLP power management daemon.";
|
|
};
|
|
|
|
extraConfig = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
description = "Additional configuration variables for TLP";
|
|
};
|
|
};
|
|
};
|
|
|
|
###### implementation
|
|
config = mkIf cfg.enable {
|
|
boot.kernelModules = [ "msr" ];
|
|
|
|
environment.etc = {
|
|
"tlp.conf".text = cfg.extraConfig;
|
|
} // optionalAttrs enableRDW {
|
|
"NetworkManager/dispatcher.d/99tlp-rdw-nm".source =
|
|
"${tlp}/etc/NetworkManager/dispatcher.d/99tlp-rdw-nm";
|
|
};
|
|
|
|
environment.systemPackages = [ tlp ];
|
|
|
|
# FIXME: When the config is parametrized we need to move these into a
|
|
# conditional on the relevant options being enabled.
|
|
powerManagement = {
|
|
scsiLinkPolicy = null;
|
|
cpuFreqGovernor = null;
|
|
cpufreq.max = null;
|
|
cpufreq.min = null;
|
|
};
|
|
|
|
services.udev.packages = [ tlp ];
|
|
|
|
systemd = {
|
|
packages = [ tlp ];
|
|
# XXX: These must always be disabled/masked according to [1].
|
|
#
|
|
# [1]: https://github.com/linrunner/TLP/blob/a9ada09e0821f275ce5f93dc80a4d81a7ff62ae4/tlp-stat.in#L319
|
|
sockets.systemd-rfkill.enable = false;
|
|
services.systemd-rfkill.enable = false;
|
|
|
|
services.tlp = {
|
|
# XXX: The service should reload whenever the configuration changes,
|
|
# otherwise newly set power options remain inactive until reboot (or
|
|
# manual unit restart.)
|
|
restartTriggers = [ config.environment.etc."tlp.conf".source ];
|
|
# XXX: When using systemd.packages (which we do above) the [Install]
|
|
# section of systemd units does not work (citation needed) so we manually
|
|
# enforce it here.
|
|
wantedBy = [ "multi-user.target" ];
|
|
};
|
|
|
|
services.tlp-sleep = {
|
|
# XXX: When using systemd.packages (which we do above) the [Install]
|
|
# section of systemd units does not work (citation needed) so we manually
|
|
# enforce it here.
|
|
before = [ "sleep.target" ];
|
|
wantedBy = [ "sleep.target" ];
|
|
# XXX: `tlp suspend` requires /var/lib/tlp to exist in order to save
|
|
# some stuff in there. There is no way, that I know of, to do this in
|
|
# the package itself, so we do it here instead making sure the unit
|
|
# won't fail due to the save dir not existing.
|
|
serviceConfig.StateDirectory = "tlp";
|
|
};
|
|
};
|
|
};
|
|
}
|