/sys/machines -> /hosts

hosts/nixdesk/hardware.nix

@@ -0,0 +1,93 @@
+{
+  inputs,
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  imports = [
+    inputs.hardware.nixosModules.common-cpu-amd
+    inputs.hardware.nixosModules.common-gpu-amd
+    inputs.hardware.nixosModules.common-pc-ssd
+    inputs.hardware.nixosModules.gigabyte-b550
+  ];
+
+  boot = {
+    kernelPackages = pkgs.linuxPackages_latest;
+    initrd = {
+      verbose = false;
+      availableKernelModules = [
+        "nvme"
+        "xhci_pci"
+        "ahci"
+        "usb_storage"
+        "usbhid"
+        "sd_mod"
+      ];
+      kernelModules = ["amdgpu"];
+    };
+    kernelModules = ["kvm-amd" "msr"];
+    extraModulePackages = with config.boot.kernelPackages; [
+      # rtl88xxau-aircrack # usb wifi card
+    ];
+    loader = {
+      timeout = 0;
+      systemd-boot = {
+        enable = true;
+        consoleMode = "max";
+        configurationLimit = 120;
+        editor = false;
+      };
+      efi = {
+        canTouchEfiVariables = true;
+        efiSysMountPoint = "/boot";
+      };
+    };
+    tmp.cleanOnBoot = true;
+  };
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-uuid/d87276c0-ef9c-422e-b2de-effc1b47c654";
+      fsType = "btrfs";
+      options = ["subvol=root" "compress=zstd"];
+    };
+    "/home" = {
+      device = "/dev/disk/by-uuid/d87276c0-ef9c-422e-b2de-effc1b47c654";
+      fsType = "btrfs";
+      options = ["subvol=home" "compress=zstd"];
+    };
+    "/nix" = {
+      device = "/dev/disk/by-uuid/d87276c0-ef9c-422e-b2de-effc1b47c654";
+      fsType = "btrfs";
+      options = ["subvol=nix" "compress=zstd" "noatime"];
+    };
+    "/.swapvol" = {
+      device = "/dev/disk/by-uuid/d87276c0-ef9c-422e-b2de-effc1b47c654";
+      fsType = "btrfs";
+      options = ["subvol=swap" "noatime"];
+    };
+    "/boot" = {
+      device = "/dev/disk/by-uuid/588B-CB97";
+      fsType = "vfat";
+    };
+  };
+
+  boot.resumeDevice = "/dev/disk/by-uuid/d87276c0-ef9c-422e-b2de-effc1b47c654";
+  boot.kernelParams = [
+    "nowatchdog"
+    # btrfs inspect-internal map-swapfile -r /.swapvol/swapfile
+    "resume_offset=326444288"
+  ];
+
+  swapDevices = lib.singleton {
+    device = "/.swapvol/swapfile";
+  };
+
+  hardware.enableRedistributableFirmware = true;
+
+  services.xserver.videoDrivers = ["amdgpu"];
+
+  nixpkgs.hostPlatform.system = "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = true;
+}