initial commit

1 files changed, 55 insertions, 0 deletions

diff --git a/nixos/configurations/hardware/alpha.nix b/nixos/configurations/hardware/alpha.nix
new file mode 100644
index 0000000..e8d3e17
--- /dev/null
+++ b/nixos/configurations/hardware/alpha.nix
@@ -0,0 +1,55 @@
+{ config, lib, pkgs, ... }:
+
+let
+  espDev = "/dev/disk/by-uuid/7905-2E41";
+  btrfsDev = "/dev/disk/by-uuid/dc47a0a6-3c73-45c1-951c-40032e762180";
+  swapDev = "/dev/disk/by-uuid/4a74b247-99e9-42c7-9a86-75aea964bb85";
+  dataDev = "/dev/disk/by-uuid/fe7a00a8-0a3c-48de-9d7a-ed7cf172f501";
+
+  subvolume = name: {
+    device = btrfsDev;
+    fsType = "btrfs";
+    options = [ "subvol=${name}" "compress=zstd" "noatime" ];
+  };
+in
+{  
+  boot.initrd.availableKernelModules = [ "xhci-pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  hardware.enableRedistributableFirmware = true;
+
+  fileSystems."/" = subvolume "root";
+  fileSystems."/home" = subvolume "home";
+  fileSystems."/nix" = subvolume "nix";
+  fileSystems."/persist" = subvolume "persist";
+  fileSystems."/var/log" = {
+    device = btrfsDev;
+    fsType = "btrfs";
+    options = [ "subvol=log" "compress=zstd" "noatime" ];
+    neededForBoot = true;
+  };
+
+  fileSystems."/boot" = {
+    device = espDev;
+    fsType = "vfat";
+  };
+
+  fileSystems."/data" = {
+    device = dataDev;
+    fsType = "ext4";
+  };
+
+  fileSystems."/tmp" = {
+    fsType = "tmpfs";
+    device = "tmpfs";
+    options = [ "nosuid" "nodev" "relatime" "size=14G" ];
+  };
+
+  swapDevices = [{ device = swapDev; }];
+
+  nix.maxJobs = lib.mkDefault 4;
+  powerManagement.cpuFreqGovernor = lib.mkDefault "schedutil";
+}