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|
{ 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 isList val then "\"" + (toString val) + "\""
else toString val;
} "=";
} tlpConfig;
in
{
###### interface
options = {
services.tlp = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the TLP power management daemon.";
};
settings = mkOption {type = with types; attrsOf (oneOf [bool int float str (listOf str)]);
default = {};
example = {
SATA_LINKPWR_ON_BAT = "med_power_with_dipm";
USB_BLACKLIST_PHONE = 1;
};
description = ''
Options passed to TLP. See https://linrunner.de/tlp for all supported options..
'';
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Verbatim additional configuration variables for TLP.
DEPRECATED: use services.tlp.settings instead.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
boot.kernelModules = [ "msr" ];
warnings = optional (cfg.extraConfig != "") ''
Using config.services.tlp.extraConfig is deprecated and will become unsupported in a future release. Use config.services.tlp.settings instead.
'';
assertions = [{
assertion = cfg.enable -> config.powerManagement.scsiLinkPolicy == null;
message = ''
`services.tlp.enable` and `config.powerManagement.scsiLinkPolicy` cannot be set both.
Set `services.tlp.settings.SATA_LINKPWR_ON_AC` and `services.tlp.settings.SATA_LINKPWR_ON_BAT` instead.
'';
}];
environment.etc = {
"tlp.conf".text = (mkTlpConfig cfg.settings) + cfg.extraConfig;
} // optionalAttrs enableRDW {
"NetworkManager/dispatcher.d/99tlp-rdw-nm".source =
"${tlp}/etc/NetworkManager/dispatcher.d/99tlp-rdw-nm";
};
environment.systemPackages = [ tlp ];
services.tlp.settings = let
cfg = config.powerManagement;
maybeDefault = val: lib.mkIf (val != null) (lib.mkDefault val);
in {
CPU_SCALING_GOVERNOR_ON_AC = maybeDefault cfg.cpuFreqGovernor;
CPU_SCALING_GOVERNOR_ON_BAT = maybeDefault cfg.cpuFreqGovernor;
CPU_SCALING_MIN_FREQ_ON_AC = maybeDefault cfg.cpufreq.min;
CPU_SCALING_MAX_FREQ_ON_AC = maybeDefault cfg.cpufreq.max;
CPU_SCALING_MIN_FREQ_ON_BAT = maybeDefault cfg.cpufreq.min;
CPU_SCALING_MAX_FREQ_ON_BAT = maybeDefault cfg.cpufreq.max;
};
services.udev.packages = [ tlp ];
systemd = {
# use native tlp instead because it can also differentiate between AC/BAT
services.cpufreq.enable = false;
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";
};
};
};
}
|