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Diffstat (limited to 'tests/nvme_format_test.py')
| -rw-r--r-- | tests/nvme_format_test.py | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tests/nvme_format_test.py b/tests/nvme_format_test.py new file mode 100644 index 0000000..55092fa --- /dev/null +++ b/tests/nvme_format_test.py @@ -0,0 +1,148 @@ +# 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> +# +""" +Namespace Format testcase :- + + 1. Create, attach, detach, delete primary namespace and + extract the supported format information from default namespace:- + - List of the supported format. + - List of Metadata Size per format. Based on this we calculate + data protection parameter at the time of namespace. + - List of LBA Data Size per format. + 2. Use the collected information and iterate through each supported + format:- + - Create namespace. + - Attach namespace. + - Run IOs on the namespace under test. + - Detach namespace + - Delete Namespace. +""" + +import time +import subprocess +from nose.tools import assert_equal +from nvme_test import TestNVMe + + +class TestNVMeFormatCmd(TestNVMe): + + """ + Represents Format testcase. + + - Attributes: + - dps : data protection information. + - flabs : LBA format information. + - nsze : namespace size. + - ncap : namespace capacity. + - ctrl_id : controller id. + - lba_format_list : lis of supported format. + - ms_list : list of metadat size per format. + - lbads_list : list of LBA data size per format. + - test_log_dir : directory for logs, temp files. + """ + + def __init__(self): + """ Pre Section for TestNVMeFormatCmd """ + TestNVMe.__init__(self) + self.dps = 0 # ns data protection settings + self.flbas = 0 # ns formattes logical block settings + self.nsze = 0x1400000 # ns size + self.ncap = 0x1400000 # ns capacity + self.ctrl_id = self.get_ctrl_id() + self.lba_format_list = [] + self.ms_list = [] + self.lbads_list = [] + self.test_log_dir = self.log_dir + "/" + self.__class__.__name__ + self.setup_log_dir(self.__class__.__name__) + self.delete_all_ns() + time.sleep(1) + + def __del__(self): + """ + Post Section for TestNVMeFormatCmd + + - Create primary namespace. + - Atttach it to controller. + - Call super class's destructor. + """ + assert_equal(self.create_and_validate_ns(self.default_nsid, + self.nsze, + self.ncap, + self.flbas, + self.dps), 0) + self.attach_ns(self.ctrl_id, self.default_nsid) + TestNVMe.__del__(self) + + def attach_detach_primary_ns(self): + """ Extract supported format information using default namespace """ + assert_equal(self.create_and_validate_ns(self.default_nsid, + self.nsze, + self.ncap, + self.flbas, + self.dps), 0) + assert_equal(self.attach_ns(self.ctrl_id, self.default_nsid), 0) + # read lbaf information + id_ns = "nvme id-ns " + self.ctrl + \ + " -n1 | grep ^lbaf | awk '{print $2}' | tr -s \"\\n\" \" \"" + proc = subprocess.Popen(id_ns, shell=True, stdout=subprocess.PIPE, + encoding='utf-8') + self.lba_format_list = proc.stdout.read().strip().split(" ") + if proc.wait() == 0: + # read lbads information + id_ns = "nvme id-ns " + self.ctrl + \ + " -n1 | grep ^lbaf | awk '{print $5}'" + \ + " | cut -f 2 -d ':' | tr -s \"\\n\" \" \"" + proc = subprocess.Popen(id_ns, shell=True, stdout=subprocess.PIPE, + encoding='utf-8') + self.lbads_list = proc.stdout.read().strip().split(" ") + # read metadata information + id_ns = "nvme id-ns " + self.ctrl + \ + " -n1 | grep ^lbaf | awk '{print $4}'" + \ + " | cut -f 2 -d ':' | tr -s \"\\n\" \" \"" + proc = subprocess.Popen(id_ns, shell=True, stdout=subprocess.PIPE, + encoding='utf-8') + self.ms_list = proc.stdout.read().strip().split(" ") + assert_equal(self.detach_ns(self.ctrl_id, self.default_nsid), 0) + assert_equal(self.delete_and_validate_ns(self.default_nsid), 0) + self.nvme_reset_ctrl() + + def test_format_ns(self): + """ Testcase main """ + # extract the supported format information. + self.attach_detach_primary_ns() + + # iterate through all supported format + for i in range(0, len(self.lba_format_list)): + print("\nlba format " + str(self.lba_format_list[i]) + \ + " lbad " + str(self.lbads_list[i]) + \ + " ms " + str(self.ms_list[i])) + metadata_size = 1 if self.ms_list[i] == '8' else 0 + err = self.create_and_validate_ns(self.default_nsid, + self.nsze, + self.ncap, + self.lba_format_list[i], + metadata_size) + assert_equal(err, 0) + assert_equal(self.attach_ns(self.ctrl_id, self.default_nsid), 0) + self.run_ns_io(self.default_nsid, self.lbads_list[i]) + time.sleep(5) + assert_equal(self.detach_ns(self.ctrl_id, self.default_nsid), 0) + assert_equal(self.delete_and_validate_ns(self.default_nsid), 0) + self.nvme_reset_ctrl() |