From e8077fde966e051fc449fffcfa061c7f7edc47b0 Mon Sep 17 00:00:00 2001
From: Caroline Larimore <caroline@larimo.re>
Date: Mon, 14 Apr 2025 19:01:38 -0700
Subject: migration: finalize

---
 systems/x86_64-linux/c-pc/hardware.nix | 58 ++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 systems/x86_64-linux/c-pc/hardware.nix

(limited to 'systems/x86_64-linux/c-pc/hardware.nix')

diff --git a/systems/x86_64-linux/c-pc/hardware.nix b/systems/x86_64-linux/c-pc/hardware.nix
new file mode 100644
index 0000000..8f7f8cd
--- /dev/null
+++ b/systems/x86_64-linux/c-pc/hardware.nix
@@ -0,0 +1,58 @@
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  boot = {
+    loader.grub = {
+      enable = true;
+
+      useOSProber = true;
+
+      zfsSupport = true;
+      efiSupport = true;
+      efiInstallAsRemovable = true;
+      
+      mirroredBoots = [
+        { devices = [ "nodev" ]; path = "/boot"; }
+      ];
+    };
+
+    initrd = {
+      availableKernelModules = [ "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+      kernelModules = [ "amdgpu" ];
+
+      #TODO: re-enable impermanence
+      # postDeviceCommands = lib.mkAfter ''
+      #   zfs rollback -r zpool/root@blank && zfs rollback -r zpool/home@blank
+      # '';
+
+      postMountCommands = lib.mkAfter ''
+        chmod u=rw,g=,o= /secrets
+      '';
+    };
+
+    kernelModules = [ "kvm-amd" ];
+    extraModulePackages = [ ];
+
+    supportedFilesystems = [ "ntfs" ];
+  };
+
+  fileSystems = {
+    "/"               = { fsType = "zfs"; neededForBoot = true; device = "zpool/root"; };
+    "/nix"            = { fsType = "zfs"; neededForBoot = true; device = "zpool/nix";  };
+    "/home"           = { fsType = "zfs"; neededForBoot = true; device = "zpool/home"; };
+    "/persist"        = { fsType = "zfs"; neededForBoot = true; device = "zpool/persist"; };
+    "/persist/secure" = { fsType = "zfs"; neededForBoot = true; device = "zpool/secure/persist"; };
+    "/secrets"        = { fsType = "zfs"; neededForBoot = true; device = "zpool/secure/secrets"; };
+
+    "/boot"           = { fsType = "vfat"; device = "/dev/disk/by-uuid/12CE-A600"; };
+
+    "/mnt/4tb"        = { fsType = "ext4"; device = "/dev/disk/by-label/4tb"; };
+  };
+
+  swapDevices = [ ];
+
+  hardware.enableRedistributableFirmware = true;
+  hardware.cpu.amd.updateMicrocode = true;
+
+  nixpkgs.hostPlatform = "x86_64-linux";
+}
-- 
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