hardware-configuration.nix

# Do not modify this file!  It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations.  Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:

{
  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];

  boot.initrd.availableKernelModules =
    [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "kvm-amd" ];
  boot.extraModulePackages = [ ];

  boot.initrd.luks.devices."crypted".device =
    "/dev/disk/by-uuid/01afee33-4f30-40d7-8f36-6de4b9064756";

  # compression performance tests:
  # https://gist.github.com/braindevices/fde49c6a8f6b9aaf563fb977562aafec
  # - chooze lzo emphasizing realtime audio, it has the least overhead
  # - nodiscard prevents constant idle writes to nvme, use fstrim.service instead
  fileSystems."/" = {
    device = "/dev/disk/by-uuid/81e328cf-c6b3-4e1d-b60c-7d818c0fae9f";
    fsType = "btrfs";
    options =
      [ "subvol=root" "noatime" "nodiscard" "space_cache=v2" "compress=lzo" ];
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-uuid/D2A8-EC4A";
    fsType = "vfat";
  };

  fileSystems."/home" = {
    device = "/dev/disk/by-uuid/81e328cf-c6b3-4e1d-b60c-7d818c0fae9f";
    fsType = "btrfs";
    options =
      [ "subvol=home" "noatime" "nodiscard" "space_cache=v2" "compress=lzo" ];
  };

  fileSystems."/nix" = {
    device = "/dev/disk/by-uuid/81e328cf-c6b3-4e1d-b60c-7d818c0fae9f";
    fsType = "btrfs";
    options =
      [ "subvol=nix" "noatime" "nodiscard" "space_cache=v2" "compress=lzo" ];
  };

  fileSystems."/backup" = {
    device = "/dev/disk/by-uuid/40c284d3-35f3-4f19-b7d3-ee66fce8cfeb";
    fsType = "ext4";
    options = [ "ro" ];
  };

  # add more lsblk -o PATH,FSTYPE,UUID

  # use zramSwap instead
  swapDevices = [ ];

  # prevent boot wait for dhcp
  networking.dhcpcd.wait = "background";
  networking.useDHCP = lib.mkDefault false;
  # networking.interfaces.enp37s0.useDHCP = lib.mkDefault true;
  # networking.interfaces.enp9s0u1u4u5.useDHCP = lib.mkDefault true;
  networking.interfaces.enp9s0u1u2.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  hardware.cpu.amd.updateMicrocode =
    lib.mkDefault config.hardware.enableRedistributableFirmware;
}