feat(hyprland): use iGPU

hosts/canopus/default.nix

@@ -103,40 +103,48 @@
     kernelPackages = pkgs.linuxPackages_zen;
     supportedFilesystems = ["ntfs"];
 
-    initrd.systemd = {
-      enable = lib.mkForce true;
+    initrd = {
+      kernelModules = [
+        "vfio_pci"
+        "vfio"
+        "vfio_iommu_type1"
+      ];
 
-      services.wipe-my-fs = {
-        wantedBy = ["initrd.target"];
-        after = ["initrd-root-device.target"];
-        before = ["sysroot.mount"];
-        unitConfig.DefaultDependencies = "no";
-        serviceConfig.Type = "oneshot";
-        script = ''
-          mkdir /btrfs_tmp
-          mount /dev/disk/by-partlabel/disk-primary-root /btrfs_tmp
+      systemd = {
+        enable = lib.mkForce true;
 
-          if [[ -e /btrfs_tmp/root ]]; then
-              mkdir -p /btrfs_tmp/old_roots
-              timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
-              mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
-          fi
+        services.wipe-my-fs = {
+          wantedBy = ["initrd.target"];
+          after = ["initrd-root-device.target"];
+          before = ["sysroot.mount"];
+          unitConfig.DefaultDependencies = "no";
+          serviceConfig.Type = "oneshot";
+          script = ''
+            mkdir /btrfs_tmp
+            mount /dev/disk/by-partlabel/disk-primary-root /btrfs_tmp
 
-          delete_subvolume_recursively() {
-              IFS=$'\n'
-              for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
-                  delete_subvolume_recursively "/btrfs_tmp/$i"
-              done
-              btrfs subvolume delete "$1"
-          }
+            if [[ -e /btrfs_tmp/root ]]; then
+                mkdir -p /btrfs_tmp/old_roots
+                timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
+                mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+            fi
 
-          for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
-              delete_subvolume_recursively "$i"
-          done
+            delete_subvolume_recursively() {
+                IFS=$'\n'
+                for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
+                    delete_subvolume_recursively "/btrfs_tmp/$i"
+                done
+                btrfs subvolume delete "$1"
+            }
 
-          btrfs subvolume create /btrfs_tmp/root
-          umount /btrfs_tmp
-        '';
+            for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
+                delete_subvolume_recursively "$i"
+            done
+
+            btrfs subvolume create /btrfs_tmp/root
+            umount /btrfs_tmp
+          '';
+        };
       };
     };
 
@@ -393,6 +401,7 @@
       "/var/lib/docker"
       "/var/lib/waydroid"
       "/var/lib/iwd"
+      "/var/lib/libvirt"
       "/etc/NetworkManager/system-connections"
     ];
     files = [

modules/home/desktop/hyprland/default.nix

@@ -35,6 +35,10 @@
       spotify = "wezterm start --class wezterm-floating -e spotify_player";
       filemanager = "wezterm start --class wezterm-floating -e superfile";
     in {
+      # See https://wiki.hyprland.org/Configuring/Multi-GPU
+      # @TODO: use card by path instead off symlink
+      env = "AQ_DRM_DEVICES,/dev/dri/card2:/dev/dri/card1";
+
       #-- Output
       # See https://wiki.hyprland.org/Configuring/Monitors
       monitor = "eDP-1,2560x1440@90,0x0,1";

modules/nixos/virtualisation/qemu.nix

@@ -10,6 +10,7 @@
         swtpm.enable = true;
       };
     };
+    spiceUSBRedirection.enable = true;
   };
 
   users.users.${username}.extraGroups = ["libvirtd"];