NixOS on Steam Deck OLED

linux/protostar/disko.nix

@@ -0,0 +1,73 @@
+{ ... }:
+
+{
+  disko.devices = {
+    # Partition the physical disk
+    disk.storage = {
+      device = "/dev/nvme0n1";
+      content = {
+        type = "gpt";
+        partitions = {
+          esp = {
+            size = "1G";
+            type = "ef00";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+            };
+          };
+          zfs = {
+            size = "100%";
+            content = {
+              type = "zfs";
+              pool = "zroot";
+            };
+          };
+        };
+      };
+    };
+
+    # Construct the primary zfs pool for this system.
+    zpool.zroot = {
+      type = "zpool";
+      options = {
+        ashift = "12";
+        autotrim = "on";
+        listsnapshots = "on";
+      };
+      rootFsOptions = {
+        acltype = "posix";
+        atime = "off";
+        compression = "zstd";
+        dnodesize = "auto";
+        mountpoint = "none";
+        normalization = "formD";
+        xattr = "sa";
+      };
+      datasets = {
+        # Create dataset for home
+        home = {
+          type = "zfs_fs";
+          mountpoint = "/home";
+        };
+        # Create dataset for nix store
+        nix = {
+          type = "zfs_fs";
+          mountpoint = "/nix";
+        };
+        # Create dataset for root
+        root = {
+          type = "zfs_fs";
+          mountpoint = "/";
+        };
+        # Reserve space for performance
+        reservation = {
+          type = "zfs_fs";
+          options.refreservation = "128G";
+        };
+      };
+    };
+  };
+
+}