nixos/profiles/hardware/dl10j.nix

   1 { pkgs, lib, config, ... }:
   2 {
   3 hardware.cpu.intel.updateMicrocode = true;
   4 nix = {
   5   # Too CPU hungry for the DL10J, for too little Mio saved
   6   autoOptimiseStore = false;
   7   maxJobs = 2;
   8 };
   9 powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
  10
  11 boot.kernel = {
  12   sysctl = {
  13     # Recommended to improve performance when RAM is sufficient.
  14     "vm.swappiness" = lib.mkDefault 10;
  15   };
  16 };
  17
  18 boot.loader = {
  19   grub = {
  20     enable = true;
  21     version = 2;
  22     copyKernels = true;
  23     configurationLimit = 1;
  24     efiSupport = true;
  25     # Because canTouchEfiVariables doesn't work on this system
  26     efiInstallAsRemovable = true;
  27     devices = [
  28       # Completed in the importing configuration
  29     ];
  30     /*
  31     mirroredBoots = [
  32       { devices = [ "${disk_id}" ];
  33         path    = "/boot${bootnum}";
  34       }
  35     ];
  36     */
  37   };
  38   efi = {
  39     canTouchEfiVariables = false;
  40     efiSysMountPoint = "/boot/efi";
  41   };
  42 };
  43
  44 boot.initrd = {
  45   availableKernelModules = [
  46     "ahci"
  47     "ehci_pci" # useless ?
  48     "i2c_i801" # SMBus
  49     "mei_me" # Communication controller
  50     "nvme" # NVME M.2 disk
  51     #"rtl8188ee" # Wireless
  52     "rtsx_usb_sdmmc" # SD card
  53     #"snd_hda_intel" # Audio
  54     "uas" # USB storage
  55     "xhci_hcd" # USB
  56     #"i915" # VGA
  57     "igb" # Ethernet
  58     # Made the AES modules available at initrd,
  59     # to speedup the deciphering of the root.
  60     "aes_x86_64"
  61     "aesni_intel"
  62     "cryptd"
  63   ];
  64   kernelModules = [
  65     "igb" # Ethernet
  66     "nvme" # NVME M.2 disk
  67     "rtsx_usb_sdmmc" # SD card
  68   ];
  69 };
  70 boot.kernelModules = [ ];
  71 boot.extraModulePackages = [ ];
  72 boot.kernelParams = [
  73   "gfxpayload=text"
  74   "console=ttyS0,115200n8"
  75   "console=ttyS1,115200n8"
  76   "console=tty0"
  77   # Use arc_summary to print stats
  78   "zfs.zfs_arc_max=${toString (1000 * 1024 * 1024)}" # bytes
  79 ];
  80
  81 environment.systemPackages = with pkgs; [
  82   pciutils
  83   #flashrom
  84   nvme-cli
  85 ];
  86 }