Merging upstream version 2.3~rc1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

staslib/nbft.py

@@ -0,0 +1,28 @@
+# Copyright (c) 2023, Dell Inc. or its subsidiaries.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+# See the LICENSE file for details.
+#
+# This file is part of NVMe STorage Appliance Services (nvme-stas).
+#
+# Authors: Martin Belanger <Martin.Belanger@dell.com>
+#
+'''Code used to access the NVMe Boot Firmware Tables'''
+
+import os
+import glob
+import logging
+from libnvme import nvme
+from staslib import defs
+
+
+def get_nbft_files(root_dir=defs.NBFT_SYSFS_PATH):
+    """Return a dictionary containing the NBFT data for all the NBFT binary files located in @root_dir"""
+    if not defs.HAS_NBFT_SUPPORT:
+        logging.warning(
+            "libnvme-%s does not have NBFT support. Please upgrade libnvme.",
+            defs.LIBNVME_VERSION,
+        )
+        return {}
+
+    pathname = os.path.join(root_dir, defs.NBFT_SYSFS_FILENAME)
+    return {fname: nvme.nbft_get(fname) or {} for fname in glob.iglob(pathname=pathname)}  # pylint: disable=no-member