From bb61531df1d3fb1f257c51543b83d31d1d912695 Mon Sep 17 00:00:00 2001
From: Trolli Schmittlauch <t.schmittlauch@orlives.de>
Date: Thu, 11 Jan 2024 01:13:42 +0100
Subject: [PATCH] WIP framenix

---
 common/default.nix                        |  2 +-
 hosts/framenix/default.nix                | 36 +++++++++++++++++++
 hosts/framenix/hardware-configuration.nix | 26 ++++++++++++++
 hosts/framenix/storage.nix                | 44 +++++++++++++++++++++++
 hosts/framenix/swap.nix                   | 12 +++++++
 5 files changed, 119 insertions(+), 1 deletion(-)
 create mode 100644 hosts/framenix/default.nix
 create mode 100644 hosts/framenix/hardware-configuration.nix
 create mode 100644 hosts/framenix/storage.nix
 create mode 100644 hosts/framenix/swap.nix

diff --git a/common/default.nix b/common/default.nix
index 2fdf524..31c6593 100644
--- a/common/default.nix
+++ b/common/default.nix
@@ -48,7 +48,7 @@ in
 
   programs.adb.enable = true;
 
-  # programs.mtr.enable = true;
+  programs.mtr.enable = true;
   # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
 
   # List services that you want to enable:
diff --git a/hosts/framenix/default.nix b/hosts/framenix/default.nix
new file mode 100644
index 0000000..bde4c32
--- /dev/null
+++ b/hosts/framenix/default.nix
@@ -0,0 +1,36 @@
+{ config, lib, pkgs, inputs, ...}:
+{
+  imports = [
+    ../../common
+
+    ./hardware-configuration.nix
+    ./storage.nix
+    ./swap.nix
+  ];
+
+  networking.hostName = "framenix"; # Define your hostname.
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  #
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  #
+  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+  # so changing it will NOT upgrade your system.
+  #
+  # This value being lower than the current NixOS release does NOT mean your system is
+  # out of date, out of support, or vulnerable.
+  #
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  #
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "23.11"; # Did you read the comment?
+
+  hardware.enableRedistributableFirmware = true;
+}
+
diff --git a/hosts/framenix/hardware-configuration.nix b/hosts/framenix/hardware-configuration.nix
new file mode 100644
index 0000000..a731402
--- /dev/null
+++ b/hosts/framenix/hardware-configuration.nix
@@ -0,0 +1,26 @@
+# 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" "thunderbolt" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+
+  # 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.enp193s0f3u1c2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp1s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hosts/framenix/storage.nix b/hosts/framenix/storage.nix
new file mode 100644
index 0000000..3efa655
--- /dev/null
+++ b/hosts/framenix/storage.nix
@@ -0,0 +1,44 @@
+{ config, lib, pkgs, ... }:
+let
+  fsOptions = [ "noatime" "ssd" "compress=zstd" ];
+in
+{
+  boot.initrd.luks = {
+    devices =
+      # allow discards on all devices
+      builtins.mapAttrs (name: val: val // {allowDiscards = true;})
+      {
+        "system".device = "/dev/disk/by-uuid/1838cdc5-9b0b-4c46-9f23-9465549eeb92";
+        "cryptswap".device =  "/dev/disk/by-uuid/ded7d649-ab3a-42ee-ae4a-f8c4ba029e9c";
+      };
+      reusePassphrases = true;
+  };
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-uuid/22388786-4285-403b-9994-e9aae1f11172";
+      fsType = "btrfs";
+      options = fsOptions ++ [ "subvol=nixos_root" ];
+    };
+
+    "/home" = {
+      device = "/dev/disk/by-uuid/22388786-4285-403b-9994-e9aae1f11172";
+      fsType = "btrfs";
+      options = fsOptions ++ [ "subvol=home" ];
+    };
+
+    "/boot" = {
+      device = "/dev/disk/by-uuid/AF8E-E9E6";
+      fsType = "vfat";
+      options = [ "discard" ];
+    };
+  };
+
+  services.fstrim.enable = true;
+  services.btrfs.autoScrub = {
+    enable = true;
+    fileSystems = [ "/" "/home" ];
+  };
+
+  boot.tmp.useTmpfs = true;
+}
diff --git a/hosts/framenix/swap.nix b/hosts/framenix/swap.nix
new file mode 100644
index 0000000..262809c
--- /dev/null
+++ b/hosts/framenix/swap.nix
@@ -0,0 +1,12 @@
+{
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/24c47f3d-0d3e-4575-92a2-174b5a6b6086"; }
+    ];
+
+  zramSwap = {
+    enable = true;
+    memoryPercent = 20;
+  };
+
+  boot.kernel.sysctl."vm.swappiness" = 9;
+}