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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: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
#
"""
Get Features Testcase:-
Test the Mandatory features with get features command:-
1. 01h M Arbitration.
2. 02h M Power Management.
3. 04h M Temperature Threshold.
4. 05h M Error Recovery.
5. 07h M Number of Queues.
6. 08h M Interrupt Coalescing.
7. 09h M Interrupt Vector Configuration.
8. 0Ah M Write Atomicity Normal.
9. 0Bh M Asynchronous Event Configuration.
"""
import subprocess
from nvme_test import TestNVMe
class TestNVMeGetMandatoryFeatures(TestNVMe):
"""
Represents Get Features testcase.
- Attributes:
- feature_id_list : list of the mandatory features.
- get_vector_list_cmd : vector list collection for 09h.
- vector_list_len : number of the interrupt vectors.
"""
def setUp(self):
""" Pre Section for TestNVMeGetMandatoryFeatures """
super().setUp()
self.setup_log_dir(self.__class__.__name__)
self.feature_id_list = ["0x01", "0x02", "0x04", "0x05", "0x07",
"0x08", "0x09", "0x0A", "0x0B"]
device = self.ctrl.split('/')[-1]
get_vector_list_cmd = "grep " + device + "q /proc/interrupts |" \
" cut -d : -f 1 | tr -d ' ' | tr '\n' ' '"
proc = subprocess.Popen(get_vector_list_cmd,
shell=True,
stdout=subprocess.PIPE,
encoding='utf-8')
self.vector_list_len = len(proc.stdout.read().strip().split(" "))
def tearDown(self):
""" Post Section for TestNVMeGetMandatoryFeatures
Call super class's destructor.
"""
super().tearDown()
def get_mandatory_features(self, feature_id):
""" Wrapper for NVMe get features command
- Args:
- feature_id : feature id to be used with get feature command.
- Returns:
- None
"""
if str(feature_id) == "0x09":
for vector in range(self.vector_list_len):
get_feat_cmd = "nvme get-feature " + self.ctrl + \
" --feature-id=" + str(feature_id) + \
" --cdw11=" + str(vector) + " -H"
proc = subprocess.Popen(get_feat_cmd,
shell=True,
stdout=subprocess.PIPE,
encoding='utf-8')
feature_output = proc.communicate()[0]
print(feature_output)
self.assertEqual(proc.wait(), 0)
else:
get_feat_cmd = "nvme get-feature " + self.ctrl + \
" --feature-id=" + str(feature_id) + " -H"
proc = subprocess.Popen(get_feat_cmd,
shell=True,
stdout=subprocess.PIPE,
encoding='utf-8')
feature_output = proc.communicate()[0]
print(feature_output)
self.assertEqual(proc.wait(), 0)
def test_get_mandatory_features(self):
""" Testcase main """
for feature_id in self.feature_id_list:
self.get_mandatory_features(feature_id)
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