refactor: move host-specific modules to hosts/

hosts/winter/default.nix

@@ -5,18 +5,19 @@
   imports = with modules.system; [
     audio
     base
-    filesystem-winter
     gui
     input
     kernel
-    kernel-winter
-    networking
     nix
     packages
     security
     snapper
 
-    ../users/rin.nix
+    ./filesystem.nix
+    ./kernel.nix
+    ./networking.nix
+
+    ../../users/rin.nix
   ];
 }
 

hosts/winter/filesystem.nix

@@ -0,0 +1,35 @@
+{ config, ... }:
+let
+  mkMount = uuid: type: {
+    device = "/dev/disk/by-uuid/${uuid}";
+    fsType = type;
+    options = [ "defaults" "relatime" ];
+  };
+  mkBtrfsMount = subvolid: atime: mkMount "8f0ba28e-5dff-4a4e-8db0-aa72cc90cb5d" "btrfs" // {
+    options = [ "autodefrag" "compress=zstd:3" "defaults" "nossd" "nossd_spread" "subvolid=${builtins.toString subvolid}" (if atime then "relatime" else "noatime")];
+  };
+in
+{
+  fileSystems = {
+    "/" = {
+      device = "rootfs";
+      fsType = "tmpfs";
+      options = [ "defaults" "size=4G" "mode=755" ];
+    };
+    "/boot" = mkMount "E8E8-E570" "vfat";
+    "/mnt/hdd" = mkMount "d5e3cfe5-c73a-4695-b81b-fc0215d4cefe" "ext4";
+
+    "/mnt/butter" = mkBtrfsMount 5 true;
+    "/nix" = mkBtrfsMount 258 false;
+    "/home" = mkBtrfsMount 260 true;
+    "/home/.snapshots" = mkBtrfsMount 319 false;
+    "/root" = mkBtrfsMount 261 false;
+    "/var" = mkBtrfsMount 259 false;
+
+    # "/mnt/nfs" = {
+    #   device = "192.168.100.11:/srv/nfs";
+    #   fsType = "nfs";
+    #   options = [ "defaults" ];
+    # };
+  };
+}

hosts/winter/kernel.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, ... }: {
+  boot = {
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+      grub = {
+        enable = true;
+        efiSupport = true;
+        device = "nodev";
+      };
+    };
+    initrd.kernelModules = [ "i915" ];
+    kernelParams = [
+      "amdgpu.gpu_recovery=1"
+      "amdgpu.si_support=1"
+      "radeon.si_support=0"
+      "intel_pstate=passive"
+      "msr.allow_writes=on"
+    ];
+    kernelPackages = pkgs.lib.mkForce (pkgs.linuxPackagesFor pkgs.linux-lava);
+  };
+}

hosts/winter/networking.nix

@@ -0,0 +1,23 @@
+{ config, ... }: {
+  networking = {
+    wireless = {
+      enable = true;
+      interfaces = [ "wlp3s0" ];
+    };
+
+    useDHCP = false;
+    interfaces.eno1.useDHCP = false;
+    interfaces.wlp3s0.useDHCP = false;
+
+    interfaces.eno1.ipv4.addresses = [{
+      address = "10.0.0.2";
+      prefixLength = 24;
+    }];
+    interfaces.wlp3s0.ipv4.addresses = [{
+      address = "192.168.100.13";
+      prefixLength = 24;
+    }];
+    defaultGateway = "192.168.100.1";
+    nameservers = [ "192.168.100.11" ];
+  };
+}