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diff --git a/machines/enzo/disko.nix b/machines/enzo/disko.nix
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+# Declarative disk layout for enzo: LVM-on-LUKS with a btrfs root and an
+# encrypted swap logical volume (>= RAM) for hibernation.
+#
+#   nvme0n1
+#   ├─ p1  ESP   1 GiB  vfat  /boot            (unencrypted)
+#   └─ p2  LUKS2 "crypted"  ── LVM vg "vg" ──
+#           ├─ lv "swap"  swap  (hibernation target)
+#           └─ lv "root"  btrfs subvolumes: @ @home @nix @log @snapshots
+#
+# Apply on the laptop with (prompts for the LUKS passphrase = fallback keyslot):
+#   sudo nix run github:nix-community/disko/latest -- \
+#     --mode destroy,format,mount ./machines/enzo/disko.nix
+{ ... }:
+
+{
+  disko.devices = {
+    disk.main = {
+      type = "disk";
+      device = "/dev/nvme0n1"; # TODO: confirm on the laptop with `lsblk`
+      content = {
+        type = "gpt";
+        partitions = {
+          ESP = {
+            size = "1G";
+            type = "EF00";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+              mountOptions = [ "umask=0077" ];
+            };
+          };
+          luks = {
+            size = "100%";
+            content = {
+              type = "luks";
+              name = "crypted";
+              settings = {
+                # Allow TRIM through LUKS (minor metadata leak, fine for a laptop SSD).
+                allowDiscards = true;
+              };
+              content = {
+                type = "lvm_pv";
+                vg = "vg";
+              };
+            };
+          };
+        };
+      };
+    };
+
+    lvm_vg.vg = {
+      type = "lvm_vg";
+      lvs = {
+        swap = {
+          size = "20G"; # TODO: set >= RAM (RAM + a little) for hibernation
+          content = {
+            type = "swap";
+            resumeDevice = true; # emits swapDevices + boot.resumeDevice
+          };
+        };
+        root = {
+          size = "100%FREE";
+          content = {
+            type = "btrfs";
+            extraArgs = [ "-f" ];
+            subvolumes = {
+              "@" = {
+                mountpoint = "/";
+                mountOptions = [ "compress=zstd" "noatime" ];
+              };
+              "@home" = {
+                mountpoint = "/home";
+                mountOptions = [ "compress=zstd" "noatime" ];
+              };
+              "@nix" = {
+                mountpoint = "/nix";
+                mountOptions = [ "compress=zstd" "noatime" ];
+              };
+              "@log" = {
+                mountpoint = "/var/log";
+                mountOptions = [ "compress=zstd" "noatime" ];
+              };
+              "@snapshots" = {
+                mountpoint = "/.snapshots";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}