Merge pull request #271342 from PhDyellow/ryzen_smu

ryzen_smu: init at 0.1.5, ryzen_monitor_ng: init at 2.0.5

maintainers/maintainer-list.nix

@@ -15508,6 +15508,12 @@
       fingerprint = "7756 E88F 3C6A 47A5 C5F0  CDFB AB54 6777 F93E 20BF";
     }];
   };
+  phdyellow = {
+    name = "Phil Dyer";
+    email = "phildyer@protonmail.com";
+    github = "PhDyellow";
+    githubId = 7740661;
+  };
   phfroidmont = {
     name = "Paul-Henri Froidmont";
     email = "nix.contact-j9dw4d@froidmont.org";

nixos/doc/manual/release-notes/rl-2405.section.md

@@ -90,6 +90,10 @@ Use `services.pipewire.extraConfig` or `services.pipewire.configPackages` for Pi
 
 - [maubot](https://github.com/maubot/maubot), a plugin-based Matrix bot framework. Available as [services.maubot](#opt-services.maubot.enable).
 
+- [ryzen-monitor-ng](https://github.com/mann1x/ryzen_monitor_ng), a desktop AMD CPU power monitor and controller, similar to Ryzen Master but for Linux. Available as [programs.ryzen-monitor-ng](#opt-programs.ryzen-monitor-ng.enable)
+
+- [ryzen-smu](https://gitlab.com/leogx9r/ryzen_smu), Linux kernel driver to expose the SMU (System Management Unit) for certain AMD Ryzen Processors. Includes the userspace program `monitor_cpu`. Available at [hardward.cpu.amd.ryzen-smu](#opt-hardware.cpu.amd.ryzen-smu.enable)
+
 - systemd's gateway, upload, and remote services, which provides ways of sending journals across the network. Enable using [services.journald.gateway](#opt-services.journald.gateway.enable), [services.journald.upload](#opt-services.journald.upload.enable), and [services.journald.remote](#opt-services.journald.remote.enable).
 
 - [GNS3](https://www.gns3.com/), a network software emulator. Available as [services.gns3-server](#opt-services.gns3-server.enable).

nixos/modules/hardware/cpu/amd-ryzen-smu.nix

@@ -0,0 +1,26 @@
+{ config
+, lib
+, ...
+}:
+let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.hardware.cpu.amd.ryzen-smu;
+  ryzen-smu = config.boot.kernelPackages.ryzen-smu;
+in
+{
+  options.hardware.cpu.amd.ryzen-smu = {
+    enable = mkEnableOption ''
+        ryzen_smu, a linux kernel driver that exposes access to the SMU (System Management Unit) for certain AMD Ryzen Processors.
+
+        WARNING: Damage cause by use of your AMD processor outside of official AMD specifications or outside of factory settings are not covered under any AMD product warranty and may not be covered by your board or system manufacturer's warranty
+      '';
+  };
+
+  config = mkIf cfg.enable {
+    boot.kernelModules = [ "ryzen-smu" ];
+    boot.extraModulePackages = [ ryzen-smu ];
+    environment.systemPackages = [ ryzen-smu ];
+  };
+
+  meta.maintainers = with lib.maintainers; [ Cryolitia phdyellow ];
+}

nixos/modules/module-list.nix

@@ -54,6 +54,7 @@
   ./hardware/corectrl.nix
   ./hardware/cpu/amd-microcode.nix
   ./hardware/cpu/amd-sev.nix
+  ./hardware/cpu/amd-ryzen-smu.nix
   ./hardware/cpu/intel-microcode.nix
   ./hardware/cpu/intel-sgx.nix
   ./hardware/cpu/x86-msr.nix
@@ -251,6 +252,7 @@
   ./programs/regreet.nix
   ./programs/rog-control-center.nix
   ./programs/rust-motd.nix
+  ./programs/ryzen-monitor-ng.nix
   ./programs/screen.nix
   ./programs/seahorse.nix
   ./programs/sedutil.nix

nixos/modules/programs/ryzen-monitor-ng.nix

@@ -0,0 +1,35 @@
+{ pkgs
+, config
+, lib
+, ...
+}:
+let
+  inherit (lib) mkEnableOption mkPackageOption mkIf;
+  cfg = config.programs.ryzen-monitor-ng;
+in
+{
+  options = {
+    programs.ryzen-monitor-ng = {
+      enable =  mkEnableOption ''
+        ryzen_monitor_ng, a userspace application for setting and getting Ryzen SMU (System Management Unit) parameters via the ryzen_smu kernel driver.
+
+        Monitor power information of Ryzen processors via the PM table of the SMU.
+
+        SMU Set and Get for many parameters and CO counts.
+
+        https://github.com/mann1x/ryzen_monitor_ng
+
+        WARNING: Damage cause by use of your AMD processor outside of official AMD specifications or outside of factory settings are not covered under any AMD product warranty and may not be covered by your board or system manufacturer's warranty
+      '';
+
+      package = mkPackageOption pkgs "ryzen-monitor-ng" {};
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ cfg.package ];
+    hardware.cpu.amd.ryzen-smu.enable = true;
+  };
+
+  meta.maintainers = with lib.maintainers; [ Cryolitia phdyellow ];
+}

pkgs/by-name/ry/ryzen-monitor-ng/package.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation {
+  pname = "ryzen-monitor-ng";
+  version = "2.0.5-unstable-2023-11-05";
+
+  # Upstream has not updated ryzen_smu header version
+  # This fork corrects ryzen_smu header version and
+  # adds support for Matisse AMD CPUs.
+  src = fetchFromGitHub {
+    owner = "plasmin";
+    repo = "ryzen_monitor_ng";
+    rev = "8b7854791d78de731a45ce7d30dd17983228b7b1";
+    hash = "sha256-fcW2fEsCFliRnMFnboR0jchzVIlCYbr2AE6AS06cb6o=";
+  };
+
+  ## Remove binaries committed into upstream repo
+  preBuild = ''
+    rm src/ryzen_monitor
+  '';
+
+  makeTargets = [ "clean" "install" ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    mv ./src/ryzen_monitor $out/bin
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Access Ryzen SMU information exposed by the ryzen_smu driver";
+    homepage = "https://github.com/mann1x/ryzen_monitor_ng";
+    license = licenses.agpl3Only;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ phdyellow ];
+    mainProgram = "ryzen_monitor";
+  };
+}

pkgs/os-specific/linux/ryzen-smu/default.nix

@@ -0,0 +1,69 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, kernel
+}:
+
+let
+  version = "0.1.5-unstable-2024-01-03";
+
+  ## Upstream has not been merging PRs.
+  ## Nixpkgs maintainers are providing a
+  ## repo with PRs merged until upstream is
+  ## updated.
+  src = fetchFromGitHub {
+    owner = "Cryolitia";
+    repo = "ryzen_smu";
+    rev = "ce1aa918efa33ca79998f0f7d467c04d4b07016c";
+    hash = "sha256-s9SSmbL6ixWqZUKEhrZdxN4xoWgk+8ClZPoKq2FDAAE=";
+  };
+
+  monitor-cpu = stdenv.mkDerivation {
+    pname = "monitor-cpu";
+    inherit version src;
+
+    makeFlags = [
+      "-C userspace"
+    ];
+
+    installPhase = ''
+    runHook preInstall
+
+    install userspace/monitor_cpu -Dm755 -t $out/bin
+
+    runHook postInstall
+  '';
+  };
+
+in
+stdenv.mkDerivation {
+  pname = "ryzen-smu-${kernel.version}";
+  inherit version src;
+
+  hardeningDisable = [ "pic" ];
+
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+
+  makeFlags = [
+    "TARGET=${kernel.modDirVersion}"
+    "KERNEL_BUILD=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install ryzen_smu.ko -Dm444 -t $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/ryzen_smu
+    install ${monitor-cpu}/bin/monitor_cpu -Dm755 -t $out/bin
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "A Linux kernel driver that exposes access to the SMU (System Management Unit) for certain AMD Ryzen Processors";
+    homepage = "https://gitlab.com/leogx9r/ryzen_smu";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ Cryolitia phdyellow ];
+    platforms = [ "x86_64-linux" ];
+    mainProgram = "monitor_cpu";
+  };
+}

pkgs/top-level/linux-kernels.nix

@@ -548,6 +548,8 @@ in {
 
     ithc = callPackage ../os-specific/linux/ithc { };
 
+    ryzen-smu = callPackage ../os-specific/linux/ryzen-smu { };
+
     zenpower = callPackage ../os-specific/linux/zenpower { };
 
     zfs_2_1 = callPackage ../os-specific/linux/zfs/2_1.nix {