77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Copyright (c) 2015-2016 Western Digital Corporation or its affiliates.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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# Author: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
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#
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"""
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NVMe Write Compare Testcae:-
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1. Read block of data successfully.
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2. Issue write uncorrectable to block of data.
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3. Attempt to read from same block; shall fail.
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4. Issue a write command to first block of data.
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5. Read from the same block; shall pass.
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"""
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from nvme_test_io import TestNVMeIO
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class TestNVMeUncor(TestNVMeIO):
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"""
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Represents NVMe Write Uncorrecatble testcase.
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- Attributes:
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- start_block : starting block of to perform IO.
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- test_log_dir : directory for logs, temp files.
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"""
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def setUp(self):
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""" Constructor TestNVMeUncor """
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super().setUp()
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self.start_block = 1023
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self.setup_log_dir(self.__class__.__name__)
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self.write_file = self.test_log_dir + "/" + self.write_file
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self.read_file = self.test_log_dir + "/" + self.read_file
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self.create_data_file(self.write_file, self.data_size, "15")
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open(self.read_file, 'a').close()
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def tearDown(self):
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""" Post Section for TestNVMeUncor """
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super().tearDown()
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def write_uncor(self):
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""" Wrapper for nvme write uncorrectable
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- Args:
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- None
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- Returns:
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- return code of nvme write uncorrectable command.
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"""
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write_uncor_cmd = "nvme write-uncor " + self.ns1 + \
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" --start-block=" + str(self.start_block) + \
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" --block-count=" + str(self.block_count)
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return self.exec_cmd(write_uncor_cmd)
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def test_write_uncor(self):
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""" Testcase main """
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self.assertEqual(self.nvme_read(), 0)
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self.assertEqual(self.write_uncor(), 0)
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self.assertNotEqual(self.nvme_read(), 0)
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self.assertEqual(self.nvme_write(), 0)
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self.assertEqual(self.nvme_read(), 0)
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