# 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,
  ...
}:
let
  video = [
    "video=HDMI-A-3:1920x1080@144"
    "video=DP-3:1920x1080@240"
  ];
  vmCores = "8-15,24-31";
in
{
  imports = [
    (modulesPath + "/installer/scan/not-detected.nix")
  ];

  boot.initrd.availableKernelModules = [
    "nvme"
    "xhci_pci"
    "ahci"
    "usbhid"
    "usb_storage"
    "sd_mod"
  ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [
    "pci-stub"
    "amdgpu"
    "i2c_dev"
    "kvm_amd"
    "vfio"
    "vfio_iommu_type1"
    "vfio-pci"
    "kvmfr"
  ];
  boot.extraModprobeConfig = ''
    options kvm_amd nested=1 avic=1 npt=1 sev=0
    options vfio_iommu_type1 allow_unsafe_interrupts=1
    options kvmfr static_size_mb=64
  '';
  boot.kernel.sysctl = {
    "vm.max_map_count" = 1000000;
    "vm.swappiness" = 10;
    "net.ipv4.ip_forward" = 1;
  };

  boot.extraModulePackages = with config.boot.kernelPackages; [
    v4l2loopback
    kvmfr
  ];

  boot.kernelParams = [
    "rcu_nocbs=${vmCores}"
    "nohz_full=${vmCores}"
    "vfio_iommu_type1.allow_unsafe_interrupts=1"
    "pcie_acs_override=downstream,multifunction"
    #''vfio-pci.ids="1002:744c"''
    "nox2apic"
    "nvme_core.default_ps_max_latency_us=0"
    "nvme_core.io_timeout=255"
    "nvme_core.max_retries=10"
    "nvme_core.shutdown_timeout=10"
    "amd_iommu=on"
    "amdgpu.ppfeaturemask=0xffffffff"
    #"amdgpu.runpm=0"
    "iommu=pt"
    "psi=1"
    "i915.force_probe=!56a6"
    "xe.force_probe=56a6"
  ]
  ++ video;

  boot.supportedFilesystems = [
    "ntfs"
    "btrfs"
    "vfat"
    "exfat"
    "ext4"
  ];
  boot.tmp.useTmpfs = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.efi.efiSysMountPoint = "/boot/efi";
  boot.loader.grub = {
    enable = true;
    efiSupport = true;
    device = "nodev";
    gfxmodeEfi = pkgs.lib.mkDefault "1920x1080@240";
    gfxmodeBios = pkgs.lib.mkDefault "1920x1080@240";
    useOSProber = true;
    memtest86.enable = true;
  };

  fileSystems."/" = {
    device = "/dev/disk/by-label/materusPC_ROOT";
    fsType = "btrfs";
    options = [
      "subvol=@"
      "noatime"
      "compress=zstd"
      "ssd"
      "space_cache=v2"
    ];
  };

  boot.initrd.luks.devices."ROOT_1".device = "/dev/disk/by-label/CRYPT_ROOT_1";
  boot.initrd.luks.devices."ROOT_2".device = "/dev/disk/by-label/CRYPT_ROOT_2";

  fileSystems."/home" = {
    device = "/dev/disk/by-label/materusPC_ROOT";
    fsType = "btrfs";
    options = [
      "subvol=@home"
      "noatime"
      "compress=zstd"
      "ssd"
      "space_cache=v2"
    ];
  };

  fileSystems."/nix" = {
    device = "/dev/disk/by-label/materusPC_ROOT";
    fsType = "btrfs";
    options = [
      "subvol=@nix"
      "noatime"
      "compress=zstd"
      "ssd"
      "space_cache=v2"
    ];
  };

  fileSystems."/var/log" = {
    device = "/dev/disk/by-label/materusPC_ROOT";
    fsType = "btrfs";
    options = [
      "subvol=@log"
      "noatime"
      "compress=zstd"
      "ssd"
      "space_cache=v2"
    ];
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-label/materusPC_BOOT";
    fsType = "ext4";
  };

  fileSystems."/boot/efi" = {
    device = "/dev/disk/by-label/EFI";
    fsType = "vfat";
    options = [
      "fmask=0022"
      "dmask=0022"
    ];
  };

  fileSystems."/etc/nixos" = {
    device = "/mkk/config";
    fsType = "none";
    options = [ "bind" ];
    depends = [ "/" ];
  };
  swapDevices = [
    { label = "materusPC_SWAP"; }
  ];

  zramSwap = {
    enable = true;
    memoryPercent = 50;
  };

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


  hardware.bluetooth = {
  enable = true;
  powerOnBoot = true;
  settings = {
    General = {
      Experimental = true;
      FastConnectable = true;
    };
    Policy = {
      AutoEnable = true;
    };
  };
};
}