1 files changed, 119 insertions, 0 deletions
diff --git a/nix/modules/libvirtnix/os.nix b/nix/modules/libvirtnix/os.nix
new file mode 100644
index 0000000..41f36f3
--- /dev/null
+++ b/nix/modules/libvirtnix/os.nix
@@ -0,0 +1,119 @@
+{ lib, ... }:
+
+let
+  mkOption = lib.mkOption;
+  submodule = lib.types.submodule;
+  types = lib.types;
+
+  os = {
+    firmware = mkOption {
+      type = types.enum [
+        "bios"
+        "efi"
+      ];
+      default = "efi";
+      example = "bios";
+    };
+
+    type = mkOption {
+      type = types.enum [
+        "hvm"
+        "linux"
+      ];
+      default = "hvm";
+      example = "linux";
+    };
+
+    arch = mkOption { type = types.str; };
+    machine = mkOption { type = types.str; };
+
+    # TODO(emile): features
+    # Search for the following...
+    # > When using firmware auto-selection there are different features enabled in the firmwares
+    # ... here: https://libvirt.org/formatdomain.html
+    # can't bother to implement this now
+
+    # features = mkOption {
+    # 	type = types.submodule {
+    # 		options = {
+    # 			enabled = {
+    # 				type = types.enum [ "yes" "no" ];
+    # 			};
+    # 			name = {};
+    # 		};
+    # 	};
+    # };
+
+    # such as:
+    # <loader readonly='yes' secure='yes' type='pflash'>/usr/share/OVMF/OVMF_CODE.fd</loader>
+    loader = mkOption {
+      type = types.submodule {
+        options = {
+          readonly = mkOption {
+            type = types.enum [
+              "yes"
+              "no"
+            ];
+          };
+          type = mkOption {
+            type = types.enum [
+              "rom"
+              "pflash"
+            ];
+          };
+          secure = mkOption {
+            type = types.enum [
+              "yes"
+              "no"
+            ];
+          };
+          stateless = mkOption {
+            type = types.enum [
+              "yes"
+              "no"
+            ];
+          };
+          format = mkOption {
+            type = types.enum [
+              "raw"
+              "qcow2"
+            ];
+          };
+          value = mkOption {
+            type = types.str;
+            example = "/usr/share/OVMF/OVMF_CODE.fd";
+          };
+        };
+      };
+    };
+
+    # <nvram type='network'>
+    #   <source protocol='iscsi' name='iqn.2013-07.com.example:iscsi-nopool/0'>
+    #     <host name='example.com' port='6000'/>
+    #     <auth username='myname'>
+    #       <secret type='iscsi' usage='mycluster_myname'/>
+    #     </auth>
+    #   </source>
+    # </nvram>
+
+    # nvram = {
+    # 	type = "network";
+    # 	source = {
+    # 		protocol = "iscsi";
+    # 		name = "iqn.2013-07.com.example:iscsi-nopool/0";
+    # 	};
+    # };
+    
+  };
+in
+{
+  options = {
+    os = mkOption {
+      type = submodule {
+        options = {
+          inherit (os) firmware type arch machine loader;
+        };
+      };
+    };
+  };
+}