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-rw-r--r--staslib/nbft.py28
1 files changed, 28 insertions, 0 deletions
diff --git a/staslib/nbft.py b/staslib/nbft.py
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+# 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