From 22ef62281313356c09714d582ae6db2ecf17d8bb Mon Sep 17 00:00:00 2001
From: Achilleas Koutsou <achilleas@koutsou.net>
Date: Wed, 27 Nov 2024 12:21:14 +0100
Subject: [PATCH] disk: add swap partition ID constants

Add the SwapPartitionGUID for GPT and DosSwapID for DOS.
Register both in the idMap.

Refs:
- https://www.freedesktop.org/wiki/Specifications/DiscoverablePartitionsSpec/
- https://tldp.org/HOWTO/Partition-Mass-Storage-Definitions-Naming-HOWTO/x190.html
---
 pkg/disk/disk.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkg/disk/disk.go b/pkg/disk/disk.go
index 31c586f309..576687f06a 100644
--- a/pkg/disk/disk.go
+++ b/pkg/disk/disk.go
@@ -56,6 +56,8 @@ const (
 
 	RootPartitionUUID = "6264D520-3FB9-423F-8AB8-7A0A8E3D3562"
 
+	SwapPartitionGUID = "0657FD6D-A4AB-43C4-84E5-0933C84B4F4F"
+
 	// Extended Boot Loader Partition
 	XBootLDRPartitionGUID = "BC13C2FF-59E6-4262-A352-B275FD6F7172"
 
@@ -70,6 +72,9 @@ const (
 
 	// Partition type ID for ESP on dos
 	DosESPID = "ef00"
+
+	// Partition type ID for swap
+	DosSwapID = "82"
 )
 
 // pt type -> type -> ID mapping for convenience
@@ -80,6 +85,7 @@ var idMap = map[PartitionTableType]map[string]string{
 		"data": DosLinuxTypeID,
 		"esp":  DosESPID,
 		"lvm":  DosLinuxTypeID,
+		"swap": DosSwapID,
 	},
 	PT_GPT: {
 		"bios": BIOSBootPartitionGUID,
@@ -87,6 +93,7 @@ var idMap = map[PartitionTableType]map[string]string{
 		"data": FilesystemDataGUID,
 		"esp":  EFISystemPartitionGUID,
 		"lvm":  LVMPartitionGUID,
+		"swap": SwapPartitionGUID,
 	},
 }