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author | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:33 +0000 |
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committer | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:57 +0000 |
commit | 9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch) | |
tree | 1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/modules/hardware/sata.nix | |
parent | 1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff) | |
parent | ddc3c396a51918043bb0faa6f676abd9562be62c (diff) | |
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Last good Nixpkgs for Weston+nouveau? archive
I came this commit hash to terwiz[m] on IRC, who is trying to figure out what the last version of Spectrum that worked on their NUC with Nvidia graphics is.
Diffstat (limited to 'nixos/modules/hardware/sata.nix')
-rw-r--r-- | nixos/modules/hardware/sata.nix | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/nixos/modules/hardware/sata.nix b/nixos/modules/hardware/sata.nix new file mode 100644 index 00000000000..81592997d6e --- /dev/null +++ b/nixos/modules/hardware/sata.nix @@ -0,0 +1,100 @@ +{ config, lib, pkgs, ... }: +let + inherit (lib) mkEnableOption mkIf mkOption types; + + cfg = config.hardware.sata.timeout; + + buildRule = d: + lib.concatStringsSep ", " [ + ''ACTION=="add"'' + ''SUBSYSTEM=="block"'' + ''ENV{ID_${lib.toUpper d.idBy}}=="${d.name}"'' + ''TAG+="systemd"'' + ''ENV{SYSTEMD_WANTS}="${unitName d}"'' + ]; + + devicePath = device: + "/dev/disk/by-${device.idBy}/${device.name}"; + + unitName = device: + "sata-timeout-${lib.strings.sanitizeDerivationName device.name}"; + + startScript = + pkgs.writeShellScript "sata-timeout.sh" '' + set -eEuo pipefail + + device="$1" + + ${pkgs.smartmontools}/bin/smartctl \ + -l scterc,${toString cfg.deciSeconds},${toString cfg.deciSeconds} \ + --quietmode errorsonly \ + "$device" + ''; + +in +{ + meta.maintainers = with lib.maintainers; [ peterhoeg ]; + + options.hardware.sata.timeout = { + enable = mkEnableOption "SATA drive timeouts"; + + deciSeconds = mkOption { + example = 70; + type = types.int; + description = '' + Set SCT Error Recovery Control timeout in deciseconds for use in RAID configurations. + + Values are as follows: + 0 = disable SCT ERT + 70 = default in consumer drives (7 seconds) + + Maximum is disk dependant but probably 60 seconds. + ''; + }; + + drives = mkOption { + description = "List of drives for which to configure the timeout."; + type = types.listOf + (types.submodule { + options = { + name = mkOption { + description = "Drive name without the full path."; + type = types.str; + }; + + idBy = mkOption { + description = "The method to identify the drive."; + type = types.enum [ "path" "wwn" ]; + default = "path"; + }; + }; + }); + }; + }; + + config = mkIf cfg.enable { + services.udev.extraRules = lib.concatMapStringsSep "\n" buildRule cfg.drives; + + systemd.services = lib.listToAttrs (map + (e: + lib.nameValuePair (unitName e) { + description = "SATA timeout for ${e.name}"; + wantedBy = [ "sata-timeout.target" ]; + serviceConfig = { + Type = "oneshot"; + ExecStart = "${startScript} '${devicePath e}'"; + PrivateTmp = true; + PrivateNetwork = true; + ProtectHome = "tmpfs"; + ProtectSystem = "strict"; + }; + } + ) + cfg.drives); + + systemd.targets.sata-timeout = { + description = "SATA timeout"; + wantedBy = [ "multi-user.target" ]; + }; + }; +} |