From a9eecc6d9ae5c8dac9c0ab6d0e6bc21c4e1eb867 Mon Sep 17 00:00:00 2001
From: Christoph Cullmann <cullmann@kde.org>
Date: Fri, 9 Jun 2023 18:26:35 +0200
Subject: fixup neko config for tmpfs/btrfs/luks

---
 neko/configuration.nix          |  7 +++---
 neko/hardware-configuration.nix | 50 ++++++++++++++++++++++++++++++++++++-----
 2 files changed, 47 insertions(+), 10 deletions(-)

(limited to 'neko')

diff --git a/neko/configuration.nix b/neko/configuration.nix
index fe794fa..7b8f3e8 100644
--- a/neko/configuration.nix
+++ b/neko/configuration.nix
@@ -1,6 +1,6 @@
 # Edit this configuration file to define what should be installed on
 # your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
+# and in the NixOS manual (accessible by running `nixos-help`).
 
 { config, pkgs, ... }:
 
@@ -11,10 +11,9 @@
       ./hardware-configuration.nix
 
       # Shared config of all machines
-      /home/cullmann/install/nixos/common.nix
+      /data/nixos/common.nix
     ];
 
-  # host name & id
+  # host name
   networking.hostName = "neko";
-  networking.hostId = "eb707291";
 }
diff --git a/neko/hardware-configuration.nix b/neko/hardware-configuration.nix
index 99d8b67..27a1a93 100644
--- a/neko/hardware-configuration.nix
+++ b/neko/hardware-configuration.nix
@@ -9,26 +9,64 @@
     ];
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
-  boot.initrd.kernelModules = [ "i915" ];
+  boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
-  # Intel ARC
-  boot.kernelParams = [ "i915.force_probe=56a0" "i915.enable_guc=1" ];
+  fileSystems."/" =
+    { device = "none";
+      fsType = "tmpfs";
+    };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/9CF2-12FF";
+    { device = "/dev/disk/by-uuid/D6ED-7B8C";
       fsType = "vfat";
     };
 
   fileSystems."/boot-fallback" =
-    { device = "/dev/disk/by-uuid/9CF2-9E07";
+    { device = "/dev/disk/by-uuid/D6ED-BC4A";
       fsType = "vfat";
     };
 
+  boot.initrd.luks.devices."crypt-disk1".device = "/dev/disk/by-uuid/d24c36a7-d39c-4de5-8fc0-33ff0262e964";
+  boot.initrd.luks.devices."crypt-disk1".allowDiscards = true;
+  boot.initrd.luks.devices."crypt-disk1".bypassWorkqueues = true;
+  boot.initrd.luks.devices."crypt-disk2".device = "/dev/disk/by-uuid/cde8caa0-be38-4ff8-a3b3-aa82bc587550";
+  boot.initrd.luks.devices."crypt-disk2".allowDiscards = true;
+  boot.initrd.luks.devices."crypt-disk2".bypassWorkqueues = true;
+
+  fileSystems."/nix" =
+    { device = "/dev/mapper/crypt-disk1";
+      fsType = "btrfs";
+      options = [ "device=/dev/mapper/crypt-disk2" "subvol=nix" "noatime" "compress=zstd" ];
+    };
+
+  fileSystems."/data" =
+    { device = "/dev/mapper/crypt-disk1";
+      fsType = "btrfs";
+      options = [ "device=/dev/mapper/crypt-disk2" "subvol=data" "noatime" "compress=zstd" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/data/home";
+      fsType = "none";
+      options = [ "bind" ];
+    };
+
+  fileSystems."/root" =
+    { device = "/data/root";
+      fsType = "none";
+      options = [ "bind" ];
+    };
+
+  fileSystems."/etc/nixos" =
+    { device = "/data/nixos/neko";
+      fsType = "none";
+      options = [ "bind" ];
+    };
+
   swapDevices = [ ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
-- 
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