From 7af7e426b7b3135aa85f82520425246c2e171f93 Mon Sep 17 00:00:00 2001
From: Martin George <marting@netapp.com>
Date: Wed, 23 Apr 2025 13:52:42 +0530
Subject: [PATCH] tree: add routine to fetch subsys serial number

Add a new routine to fetch the subsystem serial number.

Signed-off-by: Martin George <marting@netapp.com>
---
 src/libnvme.map | 2 ++
 src/nvme/tree.c | 5 +++++
 src/nvme/tree.h | 8 ++++++++
 3 files changed, 15 insertions(+)

diff --git a/src/libnvme.map b/src/libnvme.map
index 232d6a16f..2bfa82517 100644
--- a/src/libnvme.map
+++ b/src/libnvme.map
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 LIBNVME_UNRELEASED {
+	global:
+		nvme_subsystem_get_serial;
 };
 
 LIBNVME_1.13 {
diff --git a/src/nvme/tree.c b/src/nvme/tree.c
index b0a4696f2..2c4bf0641 100644
--- a/src/nvme/tree.c
+++ b/src/nvme/tree.c
@@ -532,6 +532,11 @@ const char *nvme_subsystem_get_model(nvme_subsystem_t s)
 	return s->model;
 }
 
+const char *nvme_subsystem_get_serial(nvme_subsystem_t s)
+{
+	return s->serial;
+}
+
 const char *nvme_subsystem_get_fw_rev(nvme_subsystem_t s)
 {
 	return s->firmware;
diff --git a/src/nvme/tree.h b/src/nvme/tree.h
index 25d4b31b8..3795b47bb 100644
--- a/src/nvme/tree.h
+++ b/src/nvme/tree.h
@@ -1354,6 +1354,14 @@ const char *nvme_subsystem_get_iopolicy(nvme_subsystem_t s);
  */
 const char *nvme_subsystem_get_model(nvme_subsystem_t s);
 
+/**
+ * nvme_subsystem_get_serial() - Return the serial number of subsystem
+ * @s:	nvme_subsystem_t object
+ *
+ * Return: Serial number of the current subsystem
+ */
+const char *nvme_subsystem_get_serial(nvme_subsystem_t s);
+
 /**
  * nvme_subsystem_get_fw_rev() - Return the firmware rev of subsystem
  * @s:	nvme_subsystem_t object