grimm-nixos-laptop/specific/grimm-nixos-ssd/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 = [ "xhci_pci" "ahci" "nvme" "usbhid" "uas" "sd_mod" "kvm-intel" ];
  boot.initrd.kernelModules = [ "zfs" "nls_cp437" "nls_iso8859-1" "usbhid" "usb_storage" "nvme" ];
  boot.zfs = {
    forceImportRoot = false;
    requestEncryptionCredentials = false; # none of the zfs datasets that should be mounted are encrypted. User homes happen later.
#    [
#      "zpool/home"
#      "zpool/root"
#      "zpool/nix"
#      "zpool/var"
#    ];
  };
  boot.kernelModules = [ "kvm-intel" ];
  boot.supportedFilesystems.zfs = true;
  networking.hostId = "40fa5ea8";
  # boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
  boot.kernelPackages = pkgs.linuxPackages_6_6;
  boot.extraModulePackages = [ ];
  boot.kernelParams = [ "mds=full,nosmt" ];
  services.homed.enable = true;

  fileSystems."/" =
    { device = "zpool/root";
      fsType = "zfs";
    };

  fileSystems."/nix" =
    { device = "zpool/nix";
      fsType = "zfs";
    };

  fileSystems."/var" =
    { device = "zpool/var";
      fsType = "zfs";
    };

#  fileSystems."/home" =
#    { device = "zpool/home";
#      fsType = "zfs";
#    };

  fileSystems."/boot" =
    { device = "/dev/disk/by-uuid/12CE-A600";
      fsType = "vfat";
      options = [ "fmask=0022" "dmask=0022" "umask=077" ];
    };


  grimmShared = {
    screens = {
      external = {
        id = "HDMI-A-1";
        pos = "0 0";
      };

      internal = {
        id = "eDP-1";
        fps = [
          144
          60
        ];
      };
    };
    laptop_hardware.enable = true;
  };


#  fileSystems."/crypt-storage" =
#     { device = "/dev/disk/by-uuid/6f0d65a8-24f0-439d-b5ee-03c0ef051fcb";
#      fsType = "ext4";
#      options = [ "umask=077" ]; # read only so a fat-finger can't accidentially bonk our salts, rendering the disk useless.
#    };

#  fileSystems."/home/grimmauld" =
#    { device = "zpool/home/grimmauld";
#      fsType = "zfs";
#    };

  security.pam = {
    zfs = {
      enable = true;
      homes = "zpool/home";
    };
  };

  boot.initrd.luks.yubikeySupport = true; # enable yubikey support

  boot.initrd.luks.devices."root" = {
    device = "/dev/disk/by-uuid/6e6ca6b4-cfd5-4384-955b-bad9c48fa9d6"; # /dev/sda3
    preLVM = true;
    allowDiscards = true;
    
    yubikey = {
      slot = 2;
      twoFactor = true; # Set to false for 1FA
      gracePeriod = 30; # Time in seconds to wait for Yubikey to be inserted
      keyLength = 64; # Set to $KEY_LENGTH/8
      saltLength = 16; # Set to $SALT_LENGTH
        
      storage = {
        device = "/dev/disk/by-uuid/6f0d65a8-24f0-439d-b5ee-03c0ef051fcb"; # same ID as the crypt-storage mount earlier
        fsType = "ext4";
        path = "/default";
      };
    };
  };

  swapDevices = [ ];

  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
  # (the default) this is the recommended approach. When using systemd-networkd it's
  # still possible to use this option, but it's recommended to use it in conjunction
  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
  networking.useDHCP = lib.mkDefault true;
  # networking.interfaces.enp3s0.useDHCP = lib.mkDefault true;
  # networking.interfaces.wlo1.useDHCP = lib.mkDefault true;

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