forked from pynvme/pynvme
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathdriver_test.py
1748 lines (1374 loc) · 56.7 KB
/
driver_test.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#
# BSD LICENSE
#
# Copyright (c) Crane Che <[email protected]>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# -*- coding: utf-8 -*-
import os
import time
import pytest
import logging
import warnings
import nvme as d
import nvme # test double import
@pytest.mark.skip("nvme over tcp")
def test_nvme_tcp_basic():
c = d.Controller(b'127.0.0.1')
n = d.Namespace(c, 1)
test_get_identify_quick(c, n)
del n
del c
def test_create_device(nvme0, nvme0n1):
assert nvme0 is not None
def test_create_device_invalid():
with pytest.raises(d.NvmeEnumerateError):
nvme1 = d.Controller(b"00:00.0")
def test_create_device_again(nvme0):
# """docstring cuts all tests below."""
with pytest.raises(d.NvmeEnumerateError):
d.Controller(b"10:00.0")
@pytest.mark.parametrize("shift", range(1, 8))
def test_qpair_different_size(nvme0n1, nvme0, shift):
size = 1 << shift
logging.info("create io queue size %d" % size)
d.Qpair(nvme0, size)
nvme0.getfeatures(7).waitdone()
def test_get_identify_quick(nvme0, nvme0n1):
logging.info("vid: 0x%x" % nvme0.id_data(1, 0))
logging.info("ssvid: 0x%x" % nvme0.id_data(3, 2))
logging.info("serial number: %s" % nvme0.id_data(23, 4, str))
logging.info("model number: %s" % nvme0.id_data(63, 24, str))
logging.info("firmware revision: %s" % nvme0.id_data(71, 64, str))
logging.info("namespace size: %d" % nvme0n1.id_data(7, 0))
logging.info("namespace capacity: %d" % nvme0n1.id_data(15, 8))
logging.info("namespace utilization: %d" % nvme0n1.id_data(23, 16))
assert nvme0n1.id_data(7, 0) == nvme0n1.id_data(15, 8)
assert nvme0.id_data(63, 24, str)[0] != 0
def test_get_identify(nvme0, nvme0n1):
logging.info("controller data")
id_buf = d.Buffer(4096, 'identify buffer')
assert id_buf[0] == 0
nvme0.identify(id_buf, 0, 1)
nvme0.waitdone()
assert id_buf[0] != 0
assert id_buf[0] == nvme0.id_data(0, 0)
logging.info("namespace data")
id_buf = d.Buffer(4096, 'identify buffer')
assert id_buf[0] == 0
nvme0.identify(id_buf, 1, 0)
nvme0.waitdone()
assert id_buf[0] != 0
assert id_buf[0] == nvme0n1.id_data(0)
assert nvme0.id_data(4, 0) != nvme0n1.id_data(4, 0)
assert nvme0n1.id_data(8, 5) != nvme0n1.id_data(4, 0)
assert nvme0n1.id_data(7, 0) == nvme0n1.id_data(15, 8)
assert nvme0n1.id_data(23, 16) == nvme0n1.id_data(15, 8)
logging.info("common namespace data")
id_buf = d.Buffer(4096, 'identify buffer')
assert id_buf[0] == 0
nvme0.identify(id_buf, 0xffffffff, 0)
nvme0.waitdone()
assert id_buf[0] != 0
logging.info("active namespace id data")
id_buf = d.Buffer(4096, 'identify buffer')
assert id_buf[0] == 0
nvme0.identify(id_buf, 0, 2)
nvme0.waitdone()
assert id_buf[0] != 0
logging.info("wrong namespace data")
with pytest.warns(UserWarning, match="ERROR status: 00/0b"):
nvme0.identify(id_buf, 0, 0).waitdone()
logging.info("wrong active namespace nsid")
with pytest.warns(UserWarning, match="ERROR status: 00/0b"):
nvme0.identify(id_buf, 0xffffffff, 2).waitdone()
logging.info("wrong namespace nsid")
with pytest.warns(UserWarning, match="ERROR status: 00/0b"):
nvme0.identify(id_buf, 0xffffff, 0).waitdone()
def test_get_pcie_config_class_code(nvme0):
p = d.Pcie(nvme0)
assert p[9:12] == [2, 8, 1]
def test_get_pcie_registers(pcie):
vid = pcie.register(0, 2)
did = pcie.register(2, 2)
logging.info("vid %x, did %x" % (vid, did))
def test_pcie_get_capabilites_offset(pcie):
assert None != pcie.cap_offset(1)
assert None != pcie.cap_offset(5)
assert None == pcie.cap_offset(2)
def test_get_nvme_register_vs(nvme0):
cid = nvme0[0x08]
assert cid == 0x010200 or cid == 0x010100 or cid == 0x010300
def test_get_lba_format(nvme0n1):
assert nvme0n1.get_lba_format() == nvme0n1.get_lba_format(512, 0)
assert nvme0n1.get_lba_format(4096, 0) != nvme0n1.get_lba_format(512, 0)
assert nvme0n1.get_lba_format(4097, 0) == None
assert nvme0n1.get_lba_format() < 16
def test_enable_and_disable_hmb(nvme0):
# setfeatures on hmb
hmb_size = nvme0.id_data(275, 272)
hmb_list_buf = d.Buffer(4096)
if hmb_size == 0:
return
# for hmb setfeatures commands
buf = d.Buffer(4096)
hmb_status = 0
def cb(cdw0, status):
nonlocal hmb_status
hmb_status = cdw0
# disable hmb
nvme0.setfeatures(0x0d, 0).waitdone()
# getfeatures of hmb to check
nvme0.getfeatures(0x0d, buf=buf, cb=cb).waitdone()
logging.info(f"hmb status: {buf[0:16]}")
assert hmb_status == 0
#one buffer, one entry in the list
hmb_buf = d.Buffer(4096*hmb_size)
hmb_list_buf[0:8] = hmb_buf.phys_addr.to_bytes(8, 'little')
hmb_list_buf[8:12] = hmb_size.to_bytes(4, 'little')
hmb_list_phys = hmb_list_buf.phys_addr
nvme0.setfeatures(0x0d, 1, hmb_size,
hmb_list_phys&0xffffffff,
hmb_list_phys>>32, 1).waitdone()
# getfeatures of hmb to check
nvme0.getfeatures(0x0d, buf=buf, cb=cb).waitdone()
logging.info(f"hmb status: {buf[0:16]}")
assert hmb_status == 1
# disable hmb
nvme0.setfeatures(0x0d, 0).waitdone()
# getfeatures of hmb to check
nvme0.getfeatures(0x0d, buf=buf, cb=cb).waitdone()
logging.info(f"hmb status: {buf[0:16]}")
assert hmb_status == 0
# enable
nvme0.enable_hmb()
# getfeatures of hmb to check
nvme0.getfeatures(0x0d, buf=buf, cb=cb).waitdone()
logging.info(f"hmb status: {buf[0:16]}")
assert hmb_status == 1
# disable hmb
nvme0.disable_hmb()
# getfeatures of hmb to check
nvme0.getfeatures(0x0d, buf=buf, cb=cb).waitdone()
logging.info(f"hmb status: {buf[0:16]}")
assert hmb_status == 0
def test_write_identify_and_verify(nvme0, nvme0n1):
id_buf = d.Buffer(4096)
nvme0.identify(id_buf)
nvme0.waitdone()
# explict allocate resource when not using fixture
q = d.Qpair(nvme0, 20)
n = nvme0n1
nvme0.format(nvme0n1.get_lba_format(512, 0)).waitdone()
n.write(q, id_buf, 5, 8)
q.waitdone()
read_buf = d.Buffer(4096, "read buffer")
n.read(q, read_buf, 5, 8)
q.waitdone()
assert id_buf[:10] == read_buf[:10]
id_buf[0] += 1
n.write(q, id_buf, 5, 8).waitdone()
n.read(q, read_buf, 5, 8).waitdone()
assert id_buf[:10] == read_buf[:10]
logging.info("test end")
def test_write_identify_and_verify_with_callback(nvme0, nvme0n1):
id_buf = d.Buffer(4096)
nvme0.identify(id_buf).waitdone()
q = d.Qpair(nvme0, 20)
n = nvme0n1
read_buf = d.Buffer(4096, "read buffer")
def read_cb(cdw0, status):
assert id_buf[:40] == read_buf[:40]
def write_cb(cdw0, status):
n.read(q, read_buf, 5, 8, cb=read_cb)
n.write(q, id_buf, 5, 8, cb=write_cb).waitdone(2)
id_buf[0] += 1
n.write(q, id_buf, 5, 8, cb=write_cb).waitdone(2)
id_buf[9] = (id_buf[9] >> 1)
n.write(q, id_buf, 5, 8, cb=write_cb).waitdone(2)
def test_io_waitdone_many_command(nvme0, nvme0n1):
id_buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
nvme0n1.write(q, id_buf, 5, 8)
q.waitdone()
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
q.waitdone()
q.waitdone()
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
q.waitdone(2)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
q.waitdone(2)
q.waitdone(3)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
q.waitdone(5)
assert True
def test_write_and_flush(nvme0, nvme0n1):
id_buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
nvme0n1.flush(q)
q.waitdone(1)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.flush(q)
q.waitdone(2)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.write(q, id_buf, 5, 8)
nvme0n1.flush(q)
q.waitdone(6)
def test_write_zeroes(nvme0, nvme0n1):
if not nvme0n1.supports(0x08):
return
q = d.Qpair(nvme0, 8)
buf = d.Buffer(4096)
buf[0] = 0x5a
nvme0n1.write(q, buf, 8, 8)
q.waitdone()
nvme0n1.read(q, buf, 8, 8)
q.waitdone()
assert buf[0] != 0
nvme0n1.write_zeroes(q, 8, 8)
q.waitdone()
nvme0n1.read(q, buf, 8, 8)
q.waitdone()
assert buf[0] == 0
buf[0] = 0x5a
buf[512*7] = 0x5a
nvme0n1.write(q, buf, 8, 8)
q.waitdone()
nvme0n1.read(q, buf, 8, 8)
q.waitdone()
assert buf[0] != 0
nvme0n1.read(q, buf, 15, 1)
q.waitdone()
assert buf[0] != 0
logging.info("write zeroes 4KB-512, partial 4KB")
nvme0n1.write_zeroes(q, 8, 7)
q.waitdone()
nvme0n1.read(q, buf, 8, 7)
q.waitdone()
assert buf[0] == 0
nvme0n1.read(q, buf, 15, 1)
q.waitdone()
assert buf[0] != 0
def test_write_and_compare(nvme0, nvme0n1):
q = d.Qpair(nvme0, 8)
buf = d.Buffer(4096)
logging.info("write zeroes and then compare")
nvme0n1.write_zeroes(q, 0, 8).waitdone()
nvme0n1.compare(q, buf, 0, 8).waitdone()
logging.info("write something and compare")
buf[0] = 77
nvme0n1.write(q, buf, 0, 8).waitdone()
nvme0n1.compare(q, buf, 0, 8).waitdone()
logging.info("read and then compare")
nvme0n1.read(q, buf, 0, 8).waitdone()
nvme0n1.compare(q, buf, 0, 8).waitdone()
logging.info("modify and then compare, should fail")
with pytest.warns(UserWarning, match="ERROR status: 02/85"):
buf[0] = 99
nvme0n1.compare(q, buf, 0, 8).waitdone()
def test_trim_and_read(nvme0, nvme0n1):
buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
logging.info("trim lba 0")
buf.set_dsm_range(0, 0, 1)
nvme0n1.dsm(q, buf, 1).waitdone()
logging.info("compare error")
with pytest.warns(UserWarning, match="ERROR status: 02/85"):
nvme0n1.compare(q, buf, 0, 1).waitdone()
logging.info("read and then compare")
nvme0n1.read(q, buf, 0, 1).waitdone()
nvme0n1.compare(q, buf, 0, 1).waitdone()
q.cmdlog(5)
@pytest.mark.parametrize("lbaf", range(2))
def test_format_basic(nvme0, nvme0n1, lbaf):
buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
logging.info("format all namespace")
with pytest.warns(UserWarning, match="drive timeout:"):
nvme0.format(nvme0n1.get_lba_format(512, 0), ses=1).waitdone()
nvme0n1.read(q, buf, 0, 1).waitdone()
logging.info("crypto secure erase one namespace")
with pytest.warns(UserWarning, match="ERROR status:"):
nvme0.format(nvme0n1.get_lba_format(512, 0), ses=2).waitdone()
logging.info("invalid format")
with pytest.warns(UserWarning, match="ERROR status:"):
nvme0.format(nvme0n1.get_lba_format(512, 0), ses=3).waitdone()
logging.info("invalid nsid")
with pytest.warns(UserWarning, match="ERROR status: 00/0b"):
nvme0.format(nvme0n1.get_lba_format(512, 0), 0, 0).waitdone()
nvme0n1.read(q, buf, 0, 1).waitdone()
logging.info("format all namespace")
nvme0.format(nvme0n1.get_lba_format(512, 0)).waitdone()
nvme0n1.read(q, buf, 1, 1).waitdone()
assert buf[0] == 0
def test_dsm_deallocate_one_tu(nvme0, nvme0n1):
buf = d.Buffer(4096)
read_buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
logging.info("write init data")
nvme0n1.write(q, buf, 8, 8).waitdone()
nvme0n1.read(q, buf, 8, 8).waitdone()
assert buf[0] != 0
orig_data = buf[0]
logging.info("trim and read")
buf.set_dsm_range(0, 8, 8)
nvme0n1.dsm(q, buf, 1).waitdone()
nvme0n1.read(q, buf, 8, 8).waitdone()
assert buf[0] == 0 or buf[0] == orig_data
@pytest.mark.parametrize("size", [4096, 10, 4096*2])
@pytest.mark.parametrize("offset", [4096, 10, 4096*2])
def test_firmware_download(nvme0, size, offset):
buf = d.Buffer(size)
nvme0.fw_download(buf, offset).waitdone()
def test_firmware_commit(nvme0):
logging.info("commit without valid firmware image")
with pytest.warns(UserWarning, match="ERROR status: 01/07"):
nvme0.fw_commit(1, 0).waitdone()
logging.info("commit to invalid firmware slot")
with pytest.warns(UserWarning, match="ERROR status: 01/06"):
nvme0.fw_commit(7, 2).waitdone()
def test_sanitize_basic(nvme0, nvme0n1):
buf = d.Buffer(4096)
nvme0.identify(buf).waitdone()
if buf.data(331, 328) == 0:
warnings.warn("sanitize operation is not supported")
return
logging.info("supported sanitize operation: %d" % buf.data(331, 328))
nvme0.sanitize().waitdone()
# sanitize status log page
nvme0.getlogpage(0x81, buf, 20).waitdone()
while buf.data(3, 2) & 0x7 != 1: # sanitize is not completed
logging.info("sanitize progress %d%%" % (buf.data(1, 0)*100//0xffff))
nvme0.getlogpage(0x81, buf, 20).waitdone()
time.sleep(1)
logging.info("verify data after sanitize")
q = d.Qpair(nvme0, 8)
nvme0n1.read(q, buf, 11, 1).waitdone()
assert buf[0] == 0
@pytest.mark.parametrize("nsid", [0, 1, 0xffffffff])
def test_dst_short(nvme0, nsid):
nvme0.dst(1, nsid).waitdone()
# check dst log page till no dst in progress
buf = d.Buffer(4096)
nvme0.getlogpage(0x6, buf, 32).waitdone()
while buf[0]:
logging.info("current dst progress percentage: %d%%" % buf[1])
time.sleep(1)
nvme0.getlogpage(0x6, buf, 32).waitdone()
def test_dst_extended(nvme0):
nvme0.dst(2).waitdone()
# check dst log page till no dst in progress
buf = d.Buffer(4096)
nvme0.getlogpage(0x6, buf, 32).waitdone()
while buf[0]:
logging.info("current dst progress percentage: %d%%" % buf[1])
time.sleep(1)
nvme0.getlogpage(0x6, buf, 32).waitdone()
def test_write_uncorrectable(nvme0, nvme0n1):
buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
logging.info("read uncorretable")
nvme0n1.write_uncorrectable(q, 0, 8).waitdone()
with pytest.warns(UserWarning, match="ERROR status: 02/81"):
nvme0n1.read(q, buf, 0, 8).waitdone()
logging.info("read normal data")
nvme0n1.write(q, buf, 0, 8).waitdone()
nvme0n1.read(q, buf, 0, 8).waitdone()
logging.info("read uncorretable")
nvme0n1.write_uncorrectable(q, 0, 8).waitdone()
with pytest.warns(UserWarning, match="ERROR status: 02/81"):
nvme0n1.read(q, buf, 0, 8).waitdone()
logging.info("read normal")
nvme0n1.write(q, buf, 0, 8)
q.waitdone()
nvme0n1.read(q, buf, 0, 8)
q.waitdone()
# non-4K uncorretable write
logging.info("write partial uncorretable")
nvme0n1.write_uncorrectable(q, 0, 4)
q.waitdone()
logging.info("read normal lba")
nvme0n1.read(q, buf, 6, 2)
q.waitdone()
logging.info("read normal lba")
nvme0n1.read(q, buf, 8, 8)
q.waitdone()
logging.info("read uncorretable")
with pytest.warns(UserWarning, match="ERROR status: 02/81"):
nvme0n1.read(q, buf, 2, 2).waitdone()
logging.info("read partial uncorretable")
with pytest.warns(UserWarning, match="ERROR status: 02/81"):
nvme0n1.read(q, buf, 2, 8).waitdone()
logging.info("read normal")
nvme0n1.write(q, buf, 0, 8)
q.waitdone()
nvme0n1.read(q, buf, 0, 8)
q.waitdone()
@pytest.mark.parametrize("io_count", [0, 1, 8, 9])
@pytest.mark.parametrize("lba_count", [0, 1, 8, 9])
@pytest.mark.parametrize("lba_offset", [0, 1, 8, 9])
def test_different_io_size_and_count(nvme0, nvme0n1,
lba_offset, lba_count, io_count):
io_qpair = d.Qpair(nvme0, 10)
lba_count += 1
bufs = []
for i in range(io_count):
bufs.append(d.Buffer(lba_count*512))
for i in range(io_count):
# FIXME: to support 4K sector
nvme0n1.write(io_qpair, bufs[i], lba_offset, lba_count)
io_qpair.waitdone(io_count)
for i in range(io_count):
# FIXME: to support 4K sector
nvme0n1.read(io_qpair, bufs[i], lba_offset, lba_count)
io_qpair.waitdone(io_count)
def test_create_invalid_qpair(nvme0):
with pytest.raises(d.QpairCreationError):
q = d.Qpair(nvme0, 20, prio=1)
def test_buffer_set_get():
b = d.Buffer()
b[0] = 0xa5
b[1] = 0x5a
b[2] = 0xa5
assert b[0] == 0xa5
b[0:10] = b"1234567890"
assert b[0] == 0x31
b[0:10:1] = b"1234567890"
assert b[0] == 0x31
b[1:10:1] = b"abcd567890"
assert b[0] == 0x31
b[:10:1] = b"1234567890"
assert b[0] == 0x31
b[:10] = b"1234567890"
assert b[0] == 0x31
b[0:] = b"1234567890"
assert b[0] == 0x31
b[0] = 0x5a
assert b[0] == 0x5a
assert b[0:10] == b"Z234567890"
assert b[0:10:1] == b"Z234567890"
assert b[:10:1] == b"Z234567890"
assert b[:10] == b"Z234567890"
assert b[:] == b[0::1]
# this is a full slice
assert b[0:] != b"Z234567890"
@pytest.mark.parametrize("repeat", range(2))
def test_create_many_qpair(nvme0, repeat):
q = []
for i in range(5):
q.append(d.Qpair(nvme0, 8))
for i in range(50):
q = d.Qpair(nvme0, 80)
def test_set_get_features(nvme0):
nvme0.setfeatures(0x7, cdw11=(16 << 16)+16)
nvme0.setfeatures(0x7, cdw11=(16 << 16)+16)
nvme0.waitdone(2)
nvme0.getfeatures(0x7)
nvme0.waitdone()
assert True
def test_pcie_reset(nvme0, pcie):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
ret = buf.data(115, 112)
logging.info("power cycles: %d" % ret)
return ret
powercycle = get_power_cycles(nvme0)
pcie.reset()
assert powercycle == get_power_cycles(nvme0)
@pytest.mark.parametrize("repeat", range(10))
def test_subsystem_shutdown_notify(nvme0, subsystem, repeat):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
return buf.data(115, 112)
powercycle = get_power_cycles(nvme0)
logging.info("power cycles: %d" % powercycle)
subsystem.shutdown_notify()
assert powercycle == get_power_cycles(nvme0)
subsystem.shutdown_notify(True)
assert powercycle == get_power_cycles(nvme0)
def test_write_fua_latency(nvme0n1, nvme0):
buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
now = time.time()
for i in range(100):
nvme0n1.write(q, buf, 0, 8).waitdone()
non_fua_time = time.time()-now
logging.info("normal write latency %fs" % non_fua_time)
now = time.time()
for i in range(100):
nvme0n1.write(q, buf, 0, 8, 1<<30).waitdone()
fua_time = time.time()-now
logging.info("FUA write latency %fs" % fua_time)
assert fua_time > non_fua_time
def test_read_fua_latency(nvme0n1, nvme0):
buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
# first time read to load data into SSD buffer
nvme0n1.read(q, buf, 0, 8).waitdone()
now = time.time()
for i in range(10000):
nvme0n1.read(q, buf, 0, 8).waitdone()
non_fua_time = time.time()-now
logging.info("normal read latency %fs" % non_fua_time)
now = time.time()
for i in range(10000):
nvme0n1.read(q, buf, 0, 8, 1<<30).waitdone()
fua_time = time.time()-now
logging.info("FUA read latency %fs" % fua_time)
# it fails sometimes
#assert fua_time > non_fua_time
def test_write_limited_retry(nvme0n1, nvme0):
buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
nvme0n1.write(q, buf, 0, 8, 1<<31).waitdone()
def test_read_limited_retry(nvme0n1, nvme0):
buf = d.Buffer(4096)
q = d.Qpair(nvme0, 8)
nvme0n1.read(q, buf, 0, 8, 1<<31).waitdone()
# TODO: DUT-i pass, DUT-L hang, try more...
@pytest.mark.skip(reason="limited support")
def test_subsystem_reset(nvme0, subsystem):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
logging.info("power cycles: %d" % buf.data(115, 112))
return buf.data(115, 112)
powercycle = get_power_cycles(nvme0)
subsystem.reset()
assert powercycle == get_power_cycles(nvme0)
def test_power_cycle_with_ioworker_clean(nvme0n1, nvme0, subsystem):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
logging.info("power cycles: %d" % buf.data(115, 112))
return buf.data(115, 112)
import time
start_time = time.time()
powercycle = get_power_cycles(nvme0)
subsystem.power_cycle(3)
with nvme0n1.ioworker(io_size=256, lba_align=256,
lba_random=False, qdepth=64,
read_percentage=0, time=3):
pass
subsystem.power_cycle(3)
with nvme0n1.ioworker(io_size=256, lba_align=256,
lba_random=False, qdepth=64,
read_percentage=0, time=3):
pass
assert get_power_cycles(nvme0) == powercycle+2
assert time.time()-start_time >= 10
def test_subsystem_power_cycle(nvme0, subsystem):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
logging.info("power cycles: %d" % buf.data(115, 112))
return buf.data(115, 112)
import time
start_time = time.time()
powercycle = get_power_cycles(nvme0)
subsystem.power_cycle(5)
assert get_power_cycles(nvme0) == powercycle+1
assert time.time()-start_time >= 5
# dirty power cycle can work, but sudden power cycle with writing causes driver issue
# need more debug on driver to support power loss during ioworker is working.
@pytest.mark.skip(reason="to debug")
def test_subsystem_sudden_power_cycle_with_write_ioworker(nvme0, nvme0n1, subsystem):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
logging.info("power cycles: %d" % buf.data(115, 112))
return buf.data(115, 112)
import time
start_time = time.time()
powercycle = get_power_cycles(nvme0)
with nvme0n1.ioworker(io_size=256, lba_align=256,
lba_random=False, qdepth=64,
read_percentage=0, time=10):
time.sleep(3)
subsystem.power_cycle(3)
assert powercycle+1 == get_power_cycles(nvme0)
def test_subsystem_power_cycle_without_notify(nvme0, nvme0n1, subsystem):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
logging.info("power cycles: %d" % buf.data(115, 112))
return buf.data(115, 112)
import time
start_time = time.time()
powercycle = get_power_cycles(nvme0)
with nvme0n1.ioworker(io_size=256, lba_align=256,
lba_random=False, qdepth=64,
read_percentage=0, time=10):
pass
subsystem.power_cycle(3)
assert powercycle+1 == get_power_cycles(nvme0)
@pytest.mark.parametrize("abrupt", [False, True])
def test_subsystem_power_cycle_with_notify(nvme0, nvme0n1, subsystem, abrupt):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
p = buf.data(127, 112)
logging.info("power cycles: %d" % p)
return p
import time
start_time = time.time()
powercycle = get_power_cycles(nvme0)
with nvme0n1.ioworker(io_size=256, lba_align=256,
lba_random=False, qdepth=64,
read_percentage=0, time=10):
pass
subsystem.shutdown_notify(abrupt)
subsystem.power_cycle(3)
assert powercycle+1 == get_power_cycles(nvme0)
def test_controller_reset(nvme0):
def get_power_cycles(nvme0):
buf = d.Buffer(512)
nvme0.getlogpage(2, buf, 512).waitdone()
logging.info("power cycles: %d" % buf.data(115, 112))
return buf.data(115, 112)
powercycle = get_power_cycles(nvme0)
logging.info("power cycles: %d" % powercycle)
nvme0.reset()
assert get_power_cycles(nvme0) == powercycle
def test_get_smart_data(nvme0):
smart_buffer = d.Buffer(4096, "smart data buffer")
nvme0.getlogpage(0x2, smart_buffer, 512)
nvme0.waitdone()
assert smart_buffer[2] == 0 or smart_buffer[2] == 1
@pytest.mark.parametrize("loading", [0, 0])
def test_aer_smart_temperature(nvme0, loading, aer):
import time
start_time = time.time()
smart_log = d.Buffer(512, "smart log")
assert smart_log.data(2, 1) == 0
# aer callback function
def cb(cdw0, status):
# set temp threshold back
logging.info("in aer cb, status 0x%x" % status)
nvme0.setfeatures(0x04, cdw11=320)
nvme0.getlogpage(0x02, smart_log, 512)
aer(cb)
# fill with getfeatures cmd as noise for 10 seconds
def getfeatures_cb(cdw0, status):
if smart_log.data(2, 1) < 256 and \
time.time()-start_time < 10:
nvme0.getfeatures(0x07, cb=getfeatures_cb)
for i in range(loading):
nvme0.getfeatures(0x07, cb=getfeatures_cb)
# set temp threshold to trigger aer
nvme0.setfeatures(0x04, cdw11=200)
with pytest.warns(UserWarning, match="AER notification"):
while smart_log.data(2, 1) == 0:
nvme0.waitdone()
assert smart_log.data(2, 1) != 0
assert smart_log.data(2, 1) > 256
logging.info("it should be very fast (<5sec) to trigger aer: %ds" %
(time.time()-start_time))
assert time.time()-start_time < 5.0
nvme0.reset()
def test_abort_aer_commands(nvme0, aer):
logging.info("send 100 abort commands")
nvme0.reset()
# aer callback function
def cb(cdw0, status):
logging.info("in aer cb, status 0x%x" % status)
assert ((status&0xfff)>>1) == 0x0007
aer(cb)
for i in range(100):
nvme0.abort(i)
logging.info("reap 104 command, including abort, and also aer commands")
with pytest.warns(UserWarning, match="AER notification"):
nvme0.waitdone(104)
def test_ioworker_maximum(nvme0n1):
wl = []
start_time = time.time()
# support upto 16 qpairs, 1 admin, 15 io queues
for i in range(15):
a = nvme0n1.ioworker(io_size=8, lba_align=16,
lba_random=False, qdepth=16,
read_percentage=100, time=10)
wl.append(a)
for w in wl:
w.start()
logging.info("started all ioworkers")
for w in wl:
w.close()
def test_ioworker_progress(nvme0, nvme0n1):
nvme0.format(nvme0n1.get_lba_format(512, 0)).waitdone()
with nvme0n1.ioworker(io_size=8, lba_align=16,
lba_random=False, qdepth=16,
read_percentage=100, time=5) as w:
for i in range(5):
time.sleep(1)
# logging.info(w.progress) #obsoleted
def test_ioworker_simplified(nvme0n1):
nvme0n1.ioworker(io_size=8, lba_align=16,
lba_random=True, qdepth=16,
read_percentage=0, time=2).start().close()
with nvme0n1.ioworker(io_size=8, lba_align=16,
lba_random=True, qdepth=16,
read_percentage=0, time=2) as w:
logging.info("ioworker context start")
logging.info("ioworker context finish")
def test_ioworker_output_io_per_latency(nvme0n1, nvme0):
nvme0.format(nvme0n1.get_lba_format(512, 0)).waitdone()
output_percentile_latency = dict.fromkeys([10, 50, 90, 99, 99.9, 99.99, 99.999, 99.99999])
logging.info(output_percentile_latency)
r = nvme0n1.ioworker(io_size=8, lba_align=8,
lba_random=False, qdepth=32,
read_percentage=100, time=10,
output_percentile_latency=output_percentile_latency).start().close()
logging.info(output_percentile_latency)
logging.info(r)
output_io_per_second = []
r = nvme0n1.ioworker(io_size=8, lba_align=8,
lba_random=False, qdepth=32,
read_percentage=0, time=10,
output_io_per_second=output_io_per_second,
output_percentile_latency=output_percentile_latency).start().close()
logging.info(output_io_per_second)
assert len(output_io_per_second) == 10