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+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (c) 2015-2016 Western Digital Corporation or its affiliates.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+# Author: Madhusudhana S.J <madhusudhana.sj@wdc.com>
+# Author: Dong Ho <dong.ho@wdc.com>
+#
+"""
+NVMe Firmware Log Testcase :-
+
+ 1. Execute fw-log on a device.
+"""
+
+import subprocess
+
+from nvme_test import TestNVMe
+
+
+class TestNVMeFwLogCmd(TestNVMe):
+
+ """
+ Represents NVMe Firmware Log test.
+ """
+
+ def setUp(self):
+ """ Pre Section for TestNVMeFwLogCmd. """
+ super().setUp()
+ self.setup_log_dir(self.__class__.__name__)
+
+ def tearDown(self):
+ """
+ Post Section for TestNVMeSimpleTestTemplate.
+
+ - Call super class's destructor.
+ """
+ super().tearDown()
+
+ def get_fw_log(self):
+ """ Wrapper for executing nvme fw-log.
+ - Args:
+ - None
+ - Returns:
+ - 0 on success, error code on failure.
+ """
+ err = 0
+ fw_log_cmd = "nvme fw-log " + self.ctrl
+ proc = subprocess.Popen(fw_log_cmd,
+ shell=True,
+ stdout=subprocess.PIPE,
+ encoding='utf-8')
+ fw_log_output = proc.communicate()[0]
+ print("\n" + fw_log_output + "\n")
+ err = proc.wait()
+ return err
+
+ def test_fw_log(self):
+ """ Testcase main """
+ self.assertEqual(self.get_fw_log(), 0)