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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
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