39 lines
1.1 KiB
Nix
39 lines
1.1 KiB
Nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.pub-solar.core.hibernation;
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in
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{
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options.pub-solar.core.hibernation = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether the device can hibernate. This creates a swapfile at /swapfile.";
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};
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resumeDevice = mkOption {
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type = types.str;
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default = "/swapfile";
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description = "The location of the hibernation resume swap file.";
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};
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resumeOffset = mkOption {
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type = types.nullOr types.int;
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default = null;
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description = "The swap file offset. Can be found by running `filefrag -v $swap_file_location`. See https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate#Hibernation_into_swap_file";
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};
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};
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config = {
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boot = mkIf cfg.enable {
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resumeDevice = cfg.resumeDevice;
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kernelParams = [
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"resume=${cfg.resumeDevice}"
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] ++ (
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if (cfg.resumeOffset == null && cfg.enable) then builtins.abort "config.pub-solar.resumeOffset has to be set if config.pub-solar.enable is true."
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else [ "resume_offset=${cfg.resumeOffset}" ]
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);
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};
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};
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}
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