summaryrefslogtreecommitdiff
path: root/include/block/nvme.h
blob: b0a4e4291611a227a2d9d2d9308b6c9e69c801ed (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
#ifndef BLOCK_NVME_H
#define BLOCK_NVME_H

typedef struct QEMU_PACKED NvmeBar {
    uint64_t    cap;
    uint32_t    vs;
    uint32_t    intms;
    uint32_t    intmc;
    uint32_t    cc;
    uint32_t    rsvd1;
    uint32_t    csts;
    uint32_t    nssrc;
    uint32_t    aqa;
    uint64_t    asq;
    uint64_t    acq;
    uint32_t    cmbloc;
    uint32_t    cmbsz;
    uint32_t    bpinfo;
    uint32_t    bprsel;
    uint64_t    bpmbl;
    uint64_t    cmbmsc;
    uint32_t    cmbsts;
    uint8_t     rsvd92[3492];
    uint32_t    pmrcap;
    uint32_t    pmrctl;
    uint32_t    pmrsts;
    uint32_t    pmrebs;
    uint32_t    pmrswtp;
    uint64_t    pmrmsc;
    uint8_t     css[484];
} NvmeBar;

enum NvmeCapShift {
    CAP_MQES_SHIFT     = 0,
    CAP_CQR_SHIFT      = 16,
    CAP_AMS_SHIFT      = 17,
    CAP_TO_SHIFT       = 24,
    CAP_DSTRD_SHIFT    = 32,
    CAP_NSSRS_SHIFT    = 36,
    CAP_CSS_SHIFT      = 37,
    CAP_MPSMIN_SHIFT   = 48,
    CAP_MPSMAX_SHIFT   = 52,
    CAP_PMRS_SHIFT     = 56,
    CAP_CMBS_SHIFT     = 57,
};

enum NvmeCapMask {
    CAP_MQES_MASK      = 0xffff,
    CAP_CQR_MASK       = 0x1,
    CAP_AMS_MASK       = 0x3,
    CAP_TO_MASK        = 0xff,
    CAP_DSTRD_MASK     = 0xf,
    CAP_NSSRS_MASK     = 0x1,
    CAP_CSS_MASK       = 0xff,
    CAP_MPSMIN_MASK    = 0xf,
    CAP_MPSMAX_MASK    = 0xf,
    CAP_PMRS_MASK      = 0x1,
    CAP_CMBS_MASK      = 0x1,
};

#define NVME_CAP_MQES(cap)  (((cap) >> CAP_MQES_SHIFT)   & CAP_MQES_MASK)
#define NVME_CAP_CQR(cap)   (((cap) >> CAP_CQR_SHIFT)    & CAP_CQR_MASK)
#define NVME_CAP_AMS(cap)   (((cap) >> CAP_AMS_SHIFT)    & CAP_AMS_MASK)
#define NVME_CAP_TO(cap)    (((cap) >> CAP_TO_SHIFT)     & CAP_TO_MASK)
#define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT)  & CAP_DSTRD_MASK)
#define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT)  & CAP_NSSRS_MASK)
#define NVME_CAP_CSS(cap)   (((cap) >> CAP_CSS_SHIFT)    & CAP_CSS_MASK)
#define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK)
#define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK)
#define NVME_CAP_PMRS(cap)  (((cap) >> CAP_PMRS_SHIFT)   & CAP_PMRS_MASK)
#define NVME_CAP_CMBS(cap)  (((cap) >> CAP_CMBS_SHIFT)   & CAP_CMBS_MASK)

#define NVME_CAP_SET_MQES(cap, val)   (cap |= (uint64_t)(val & CAP_MQES_MASK)  \
                                                           << CAP_MQES_SHIFT)
#define NVME_CAP_SET_CQR(cap, val)    (cap |= (uint64_t)(val & CAP_CQR_MASK)   \
                                                           << CAP_CQR_SHIFT)
#define NVME_CAP_SET_AMS(cap, val)    (cap |= (uint64_t)(val & CAP_AMS_MASK)   \
                                                           << CAP_AMS_SHIFT)
#define NVME_CAP_SET_TO(cap, val)     (cap |= (uint64_t)(val & CAP_TO_MASK)    \
                                                           << CAP_TO_SHIFT)
#define NVME_CAP_SET_DSTRD(cap, val)  (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \
                                                           << CAP_DSTRD_SHIFT)
#define NVME_CAP_SET_NSSRS(cap, val)  (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \
                                                           << CAP_NSSRS_SHIFT)
#define NVME_CAP_SET_CSS(cap, val)    (cap |= (uint64_t)(val & CAP_CSS_MASK)   \
                                                           << CAP_CSS_SHIFT)
#define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\
                                                           << CAP_MPSMIN_SHIFT)
#define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\
                                                           << CAP_MPSMAX_SHIFT)
#define NVME_CAP_SET_PMRS(cap, val)   (cap |= (uint64_t)(val & CAP_PMRS_MASK)  \
                                                           << CAP_PMRS_SHIFT)
#define NVME_CAP_SET_CMBS(cap, val)   (cap |= (uint64_t)(val & CAP_CMBS_MASK)  \
                                                           << CAP_CMBS_SHIFT)

enum NvmeCapCss {
    NVME_CAP_CSS_NVM        = 1 << 0,
    NVME_CAP_CSS_CSI_SUPP   = 1 << 6,
    NVME_CAP_CSS_ADMIN_ONLY = 1 << 7,
};

enum NvmeCcShift {
    CC_EN_SHIFT     = 0,
    CC_CSS_SHIFT    = 4,
    CC_MPS_SHIFT    = 7,
    CC_AMS_SHIFT    = 11,
    CC_SHN_SHIFT    = 14,
    CC_IOSQES_SHIFT = 16,
    CC_IOCQES_SHIFT = 20,
};

enum NvmeCcMask {
    CC_EN_MASK      = 0x1,
    CC_CSS_MASK     = 0x7,
    CC_MPS_MASK     = 0xf,
    CC_AMS_MASK     = 0x7,
    CC_SHN_MASK     = 0x3,
    CC_IOSQES_MASK  = 0xf,
    CC_IOCQES_MASK  = 0xf,
};

#define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
#define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
#define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
#define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
#define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
#define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
#define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)

enum NvmeCcCss {
    NVME_CC_CSS_NVM        = 0x0,
    NVME_CC_CSS_CSI        = 0x6,
    NVME_CC_CSS_ADMIN_ONLY = 0x7,
};

#define NVME_SET_CC_EN(cc, val)     \
    (cc |= (uint32_t)((val) & CC_EN_MASK) << CC_EN_SHIFT)
#define NVME_SET_CC_CSS(cc, val)    \
    (cc |= (uint32_t)((val) & CC_CSS_MASK) << CC_CSS_SHIFT)
#define NVME_SET_CC_MPS(cc, val)    \
    (cc |= (uint32_t)((val) & CC_MPS_MASK) << CC_MPS_SHIFT)
#define NVME_SET_CC_AMS(cc, val)    \
    (cc |= (uint32_t)((val) & CC_AMS_MASK) << CC_AMS_SHIFT)
#define NVME_SET_CC_SHN(cc, val)    \
    (cc |= (uint32_t)((val) & CC_SHN_MASK) << CC_SHN_SHIFT)
#define NVME_SET_CC_IOSQES(cc, val) \
    (cc |= (uint32_t)((val) & CC_IOSQES_MASK) << CC_IOSQES_SHIFT)
#define NVME_SET_CC_IOCQES(cc, val) \
    (cc |= (uint32_t)((val) & CC_IOCQES_MASK) << CC_IOCQES_SHIFT)

enum NvmeCstsShift {
    CSTS_RDY_SHIFT      = 0,
    CSTS_CFS_SHIFT      = 1,
    CSTS_SHST_SHIFT     = 2,
    CSTS_NSSRO_SHIFT    = 4,
};

enum NvmeCstsMask {
    CSTS_RDY_MASK   = 0x1,
    CSTS_CFS_MASK   = 0x1,
    CSTS_SHST_MASK  = 0x3,
    CSTS_NSSRO_MASK = 0x1,
};

enum NvmeCsts {
    NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
    NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
    NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
    NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
    NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
    NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
};

#define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
#define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
#define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
#define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)

enum NvmeAqaShift {
    AQA_ASQS_SHIFT  = 0,
    AQA_ACQS_SHIFT  = 16,
};

enum NvmeAqaMask {
    AQA_ASQS_MASK   = 0xfff,
    AQA_ACQS_MASK   = 0xfff,
};

#define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
#define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)

enum NvmeCmblocShift {
    CMBLOC_BIR_SHIFT     = 0,
    CMBLOC_CQMMS_SHIFT   = 3,
    CMBLOC_CQPDS_SHIFT   = 4,
    CMBLOC_CDPMLS_SHIFT  = 5,
    CMBLOC_CDPCILS_SHIFT = 6,
    CMBLOC_CDMMMS_SHIFT  = 7,
    CMBLOC_CQDA_SHIFT    = 8,
    CMBLOC_OFST_SHIFT    = 12,
};

enum NvmeCmblocMask {
    CMBLOC_BIR_MASK     = 0x7,
    CMBLOC_CQMMS_MASK   = 0x1,
    CMBLOC_CQPDS_MASK   = 0x1,
    CMBLOC_CDPMLS_MASK  = 0x1,
    CMBLOC_CDPCILS_MASK = 0x1,
    CMBLOC_CDMMMS_MASK  = 0x1,
    CMBLOC_CQDA_MASK    = 0x1,
    CMBLOC_OFST_MASK    = 0xfffff,
};

#define NVME_CMBLOC_BIR(cmbloc) \
    ((cmbloc >> CMBLOC_BIR_SHIFT) & CMBLOC_BIR_MASK)
#define NVME_CMBLOC_CQMMS(cmbloc) \
    ((cmbloc >> CMBLOC_CQMMS_SHIFT) & CMBLOC_CQMMS_MASK)
#define NVME_CMBLOC_CQPDS(cmbloc) \
    ((cmbloc >> CMBLOC_CQPDS_SHIFT) & CMBLOC_CQPDS_MASK)
#define NVME_CMBLOC_CDPMLS(cmbloc) \
    ((cmbloc >> CMBLOC_CDPMLS_SHIFT) & CMBLOC_CDPMLS_MASK)
#define NVME_CMBLOC_CDPCILS(cmbloc) \
    ((cmbloc >> CMBLOC_CDPCILS_SHIFT) & CMBLOC_CDPCILS_MASK)
#define NVME_CMBLOC_CDMMMS(cmbloc) \
    ((cmbloc >> CMBLOC_CDMMMS_SHIFT) & CMBLOC_CDMMMS_MASK)
#define NVME_CMBLOC_CQDA(cmbloc) \
    ((cmbloc >> CMBLOC_CQDA_SHIFT) & CMBLOC_CQDA_MASK)
#define NVME_CMBLOC_OFST(cmbloc) \
    ((cmbloc >> CMBLOC_OFST_SHIFT) & CMBLOC_OFST_MASK)

#define NVME_CMBLOC_SET_BIR(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
#define NVME_CMBLOC_SET_CQMMS(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_CQMMS_MASK) << CMBLOC_CQMMS_SHIFT)
#define NVME_CMBLOC_SET_CQPDS(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_CQPDS_MASK) << CMBLOC_CQPDS_SHIFT)
#define NVME_CMBLOC_SET_CDPMLS(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_CDPMLS_MASK) << CMBLOC_CDPMLS_SHIFT)
#define NVME_CMBLOC_SET_CDPCILS(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_CDPCILS_MASK) << CMBLOC_CDPCILS_SHIFT)
#define NVME_CMBLOC_SET_CDMMMS(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_CDMMMS_MASK) << CMBLOC_CDMMMS_SHIFT)
#define NVME_CMBLOC_SET_CQDA(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_CQDA_MASK) << CMBLOC_CQDA_SHIFT)
#define NVME_CMBLOC_SET_OFST(cmbloc, val) \
    (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)

#define NVME_CMBMSMC_SET_CRE (cmbmsc, val) \
    (cmbmsc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBMSC_CRE_SHIFT)

enum NvmeCmbszShift {
    CMBSZ_SQS_SHIFT   = 0,
    CMBSZ_CQS_SHIFT   = 1,
    CMBSZ_LISTS_SHIFT = 2,
    CMBSZ_RDS_SHIFT   = 3,
    CMBSZ_WDS_SHIFT   = 4,
    CMBSZ_SZU_SHIFT   = 8,
    CMBSZ_SZ_SHIFT    = 12,
};

enum NvmeCmbszMask {
    CMBSZ_SQS_MASK   = 0x1,
    CMBSZ_CQS_MASK   = 0x1,
    CMBSZ_LISTS_MASK = 0x1,
    CMBSZ_RDS_MASK   = 0x1,
    CMBSZ_WDS_MASK   = 0x1,
    CMBSZ_SZU_MASK   = 0xf,
    CMBSZ_SZ_MASK    = 0xfffff,
};

#define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
#define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
#define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
#define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
#define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
#define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
#define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)

#define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
    (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
#define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
    (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
#define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
    (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
#define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
    (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
#define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
    (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
#define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
    (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
#define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
    (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)

#define NVME_CMBSZ_GETSIZE(cmbsz) \
    (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))

enum NvmeCmbmscShift {
    CMBMSC_CRE_SHIFT  = 0,
    CMBMSC_CMSE_SHIFT = 1,
    CMBMSC_CBA_SHIFT  = 12,
};

enum NvmeCmbmscMask {
    CMBMSC_CRE_MASK  = 0x1,
    CMBMSC_CMSE_MASK = 0x1,
    CMBMSC_CBA_MASK  = ((1ULL << 52) - 1),
};

#define NVME_CMBMSC_CRE(cmbmsc) \
    ((cmbmsc >> CMBMSC_CRE_SHIFT)  & CMBMSC_CRE_MASK)
#define NVME_CMBMSC_CMSE(cmbmsc) \
    ((cmbmsc >> CMBMSC_CMSE_SHIFT) & CMBMSC_CMSE_MASK)
#define NVME_CMBMSC_CBA(cmbmsc) \
    ((cmbmsc >> CMBMSC_CBA_SHIFT) & CMBMSC_CBA_MASK)


#define NVME_CMBMSC_SET_CRE(cmbmsc, val)  \
    (cmbmsc |= (uint64_t)(val & CMBMSC_CRE_MASK) << CMBMSC_CRE_SHIFT)
#define NVME_CMBMSC_SET_CMSE(cmbmsc, val) \
    (cmbmsc |= (uint64_t)(val & CMBMSC_CMSE_MASK) << CMBMSC_CMSE_SHIFT)
#define NVME_CMBMSC_SET_CBA(cmbmsc, val) \
    (cmbmsc |= (uint64_t)(val & CMBMSC_CBA_MASK) << CMBMSC_CBA_SHIFT)

enum NvmeCmbstsShift {
    CMBSTS_CBAI_SHIFT = 0,
};
enum NvmeCmbstsMask {
    CMBSTS_CBAI_MASK = 0x1,
};

#define NVME_CMBSTS_CBAI(cmbsts) \
    ((cmbsts >> CMBSTS_CBAI_SHIFT) & CMBSTS_CBAI_MASK)

#define NVME_CMBSTS_SET_CBAI(cmbsts, val)  \
    (cmbsts |= (uint64_t)(val & CMBSTS_CBAI_MASK) << CMBSTS_CBAI_SHIFT)

enum NvmePmrcapShift {
    PMRCAP_RDS_SHIFT      = 3,
    PMRCAP_WDS_SHIFT      = 4,
    PMRCAP_BIR_SHIFT      = 5,
    PMRCAP_PMRTU_SHIFT    = 8,
    PMRCAP_PMRWBM_SHIFT   = 10,
    PMRCAP_PMRTO_SHIFT    = 16,
    PMRCAP_CMSS_SHIFT     = 24,
};

enum NvmePmrcapMask {
    PMRCAP_RDS_MASK      = 0x1,
    PMRCAP_WDS_MASK      = 0x1,
    PMRCAP_BIR_MASK      = 0x7,
    PMRCAP_PMRTU_MASK    = 0x3,
    PMRCAP_PMRWBM_MASK   = 0xf,
    PMRCAP_PMRTO_MASK    = 0xff,
    PMRCAP_CMSS_MASK     = 0x1,
};

#define NVME_PMRCAP_RDS(pmrcap)    \
    ((pmrcap >> PMRCAP_RDS_SHIFT)   & PMRCAP_RDS_MASK)
#define NVME_PMRCAP_WDS(pmrcap)    \
    ((pmrcap >> PMRCAP_WDS_SHIFT)   & PMRCAP_WDS_MASK)
#define NVME_PMRCAP_BIR(pmrcap)    \
    ((pmrcap >> PMRCAP_BIR_SHIFT)   & PMRCAP_BIR_MASK)
#define NVME_PMRCAP_PMRTU(pmrcap)    \
    ((pmrcap >> PMRCAP_PMRTU_SHIFT)   & PMRCAP_PMRTU_MASK)
#define NVME_PMRCAP_PMRWBM(pmrcap)    \
    ((pmrcap >> PMRCAP_PMRWBM_SHIFT)   & PMRCAP_PMRWBM_MASK)
#define NVME_PMRCAP_PMRTO(pmrcap)    \
    ((pmrcap >> PMRCAP_PMRTO_SHIFT)   & PMRCAP_PMRTO_MASK)
#define NVME_PMRCAP_CMSS(pmrcap)    \
    ((pmrcap >> PMRCAP_CMSS_SHIFT)   & PMRCAP_CMSS_MASK)

#define NVME_PMRCAP_SET_RDS(pmrcap, val)   \
    (pmrcap |= (uint64_t)(val & PMRCAP_RDS_MASK) << PMRCAP_RDS_SHIFT)
#define NVME_PMRCAP_SET_WDS(pmrcap, val)   \
    (pmrcap |= (uint64_t)(val & PMRCAP_WDS_MASK) << PMRCAP_WDS_SHIFT)
#define NVME_PMRCAP_SET_BIR(pmrcap, val)   \
    (pmrcap |= (uint64_t)(val & PMRCAP_BIR_MASK) << PMRCAP_BIR_SHIFT)
#define NVME_PMRCAP_SET_PMRTU(pmrcap, val)   \
    (pmrcap |= (uint64_t)(val & PMRCAP_PMRTU_MASK) << PMRCAP_PMRTU_SHIFT)
#define NVME_PMRCAP_SET_PMRWBM(pmrcap, val)   \
    (pmrcap |= (uint64_t)(val & PMRCAP_PMRWBM_MASK) << PMRCAP_PMRWBM_SHIFT)
#define NVME_PMRCAP_SET_PMRTO(pmrcap, val)   \
    (pmrcap |= (uint64_t)(val & PMRCAP_PMRTO_MASK) << PMRCAP_PMRTO_SHIFT)
#define NVME_PMRCAP_SET_CMSS(pmrcap, val)   \
    (pmrcap |= (uint64_t)(val & PMRCAP_CMSS_MASK) << PMRCAP_CMSS_SHIFT)

enum NvmePmrctlShift {
    PMRCTL_EN_SHIFT   = 0,
};

enum NvmePmrctlMask {
    PMRCTL_EN_MASK   = 0x1,
};

#define NVME_PMRCTL_EN(pmrctl)  ((pmrctl >> PMRCTL_EN_SHIFT)   & PMRCTL_EN_MASK)

#define NVME_PMRCTL_SET_EN(pmrctl, val)   \
    (pmrctl |= (uint64_t)(val & PMRCTL_EN_MASK) << PMRCTL_EN_SHIFT)

enum NvmePmrstsShift {
    PMRSTS_ERR_SHIFT    = 0,
    PMRSTS_NRDY_SHIFT   = 8,
    PMRSTS_HSTS_SHIFT   = 9,
    PMRSTS_CBAI_SHIFT   = 12,
};

enum NvmePmrstsMask {
    PMRSTS_ERR_MASK    = 0xff,
    PMRSTS_NRDY_MASK   = 0x1,
    PMRSTS_HSTS_MASK   = 0x7,
    PMRSTS_CBAI_MASK   = 0x1,
};

#define NVME_PMRSTS_ERR(pmrsts)     \
    ((pmrsts >> PMRSTS_ERR_SHIFT)   & PMRSTS_ERR_MASK)
#define NVME_PMRSTS_NRDY(pmrsts)    \
    ((pmrsts >> PMRSTS_NRDY_SHIFT)   & PMRSTS_NRDY_MASK)
#define NVME_PMRSTS_HSTS(pmrsts)    \
    ((pmrsts >> PMRSTS_HSTS_SHIFT)   & PMRSTS_HSTS_MASK)
#define NVME_PMRSTS_CBAI(pmrsts)    \
    ((pmrsts >> PMRSTS_CBAI_SHIFT)   & PMRSTS_CBAI_MASK)

#define NVME_PMRSTS_SET_ERR(pmrsts, val)   \
    (pmrsts |= (uint64_t)(val & PMRSTS_ERR_MASK) << PMRSTS_ERR_SHIFT)
#define NVME_PMRSTS_SET_NRDY(pmrsts, val)   \
    (pmrsts |= (uint64_t)(val & PMRSTS_NRDY_MASK) << PMRSTS_NRDY_SHIFT)
#define NVME_PMRSTS_SET_HSTS(pmrsts, val)   \
    (pmrsts |= (uint64_t)(val & PMRSTS_HSTS_MASK) << PMRSTS_HSTS_SHIFT)
#define NVME_PMRSTS_SET_CBAI(pmrsts, val)   \
    (pmrsts |= (uint64_t)(val & PMRSTS_CBAI_MASK) << PMRSTS_CBAI_SHIFT)

enum NvmePmrebsShift {
    PMREBS_PMRSZU_SHIFT   = 0,
    PMREBS_RBB_SHIFT      = 4,
    PMREBS_PMRWBZ_SHIFT   = 8,
};

enum NvmePmrebsMask {
    PMREBS_PMRSZU_MASK   = 0xf,
    PMREBS_RBB_MASK      = 0x1,
    PMREBS_PMRWBZ_MASK   = 0xffffff,
};

#define NVME_PMREBS_PMRSZU(pmrebs)  \
    ((pmrebs >> PMREBS_PMRSZU_SHIFT)   & PMREBS_PMRSZU_MASK)
#define NVME_PMREBS_RBB(pmrebs)     \
    ((pmrebs >> PMREBS_RBB_SHIFT)   & PMREBS_RBB_MASK)
#define NVME_PMREBS_PMRWBZ(pmrebs)  \
    ((pmrebs >> PMREBS_PMRWBZ_SHIFT)   & PMREBS_PMRWBZ_MASK)

#define NVME_PMREBS_SET_PMRSZU(pmrebs, val)   \
    (pmrebs |= (uint64_t)(val & PMREBS_PMRSZU_MASK) << PMREBS_PMRSZU_SHIFT)
#define NVME_PMREBS_SET_RBB(pmrebs, val)   \
    (pmrebs |= (uint64_t)(val & PMREBS_RBB_MASK) << PMREBS_RBB_SHIFT)
#define NVME_PMREBS_SET_PMRWBZ(pmrebs, val)   \
    (pmrebs |= (uint64_t)(val & PMREBS_PMRWBZ_MASK) << PMREBS_PMRWBZ_SHIFT)

enum NvmePmrswtpShift {
    PMRSWTP_PMRSWTU_SHIFT   = 0,
    PMRSWTP_PMRSWTV_SHIFT   = 8,
};

enum NvmePmrswtpMask {
    PMRSWTP_PMRSWTU_MASK   = 0xf,
    PMRSWTP_PMRSWTV_MASK   = 0xffffff,
};

#define NVME_PMRSWTP_PMRSWTU(pmrswtp)   \
    ((pmrswtp >> PMRSWTP_PMRSWTU_SHIFT)   & PMRSWTP_PMRSWTU_MASK)
#define NVME_PMRSWTP_PMRSWTV(pmrswtp)   \
    ((pmrswtp >> PMRSWTP_PMRSWTV_SHIFT)   & PMRSWTP_PMRSWTV_MASK)

#define NVME_PMRSWTP_SET_PMRSWTU(pmrswtp, val)   \
    (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTU_MASK) << PMRSWTP_PMRSWTU_SHIFT)
#define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val)   \
    (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)

enum NvmePmrmscShift {
    PMRMSC_CMSE_SHIFT   = 1,
    PMRMSC_CBA_SHIFT    = 12,
};

enum NvmePmrmscMask {
    PMRMSC_CMSE_MASK   = 0x1,
    PMRMSC_CBA_MASK    = 0xfffffffffffff,
};

#define NVME_PMRMSC_CMSE(pmrmsc)    \
    ((pmrmsc >> PMRMSC_CMSE_SHIFT)   & PMRMSC_CMSE_MASK)
#define NVME_PMRMSC_CBA(pmrmsc)     \
    ((pmrmsc >> PMRMSC_CBA_SHIFT)   & PMRMSC_CBA_MASK)

#define NVME_PMRMSC_SET_CMSE(pmrmsc, val)   \
    (pmrmsc |= (uint64_t)(val & PMRMSC_CMSE_MASK) << PMRMSC_CMSE_SHIFT)
#define NVME_PMRMSC_SET_CBA(pmrmsc, val)   \
    (pmrmsc |= (uint64_t)(val & PMRMSC_CBA_MASK) << PMRMSC_CBA_SHIFT)

enum NvmeSglDescriptorType {
    NVME_SGL_DESCR_TYPE_DATA_BLOCK          = 0x0,
    NVME_SGL_DESCR_TYPE_BIT_BUCKET          = 0x1,
    NVME_SGL_DESCR_TYPE_SEGMENT             = 0x2,
    NVME_SGL_DESCR_TYPE_LAST_SEGMENT        = 0x3,
    NVME_SGL_DESCR_TYPE_KEYED_DATA_BLOCK    = 0x4,

    NVME_SGL_DESCR_TYPE_VENDOR_SPECIFIC     = 0xf,
};

enum NvmeSglDescriptorSubtype {
    NVME_SGL_DESCR_SUBTYPE_ADDRESS = 0x0,
};

typedef struct QEMU_PACKED NvmeSglDescriptor {
    uint64_t addr;
    uint32_t len;
    uint8_t  rsvd[3];
    uint8_t  type;
} NvmeSglDescriptor;

#define NVME_SGL_TYPE(type)     ((type >> 4) & 0xf)
#define NVME_SGL_SUBTYPE(type)  (type & 0xf)

typedef union NvmeCmdDptr {
    struct {
        uint64_t    prp1;
        uint64_t    prp2;
    };

    NvmeSglDescriptor sgl;
} NvmeCmdDptr;

enum NvmePsdt {
    NVME_PSDT_PRP                 = 0x0,
    NVME_PSDT_SGL_MPTR_CONTIGUOUS = 0x1,
    NVME_PSDT_SGL_MPTR_SGL        = 0x2,
};

typedef struct QEMU_PACKED NvmeCmd {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    nsid;
    uint64_t    res1;
    uint64_t    mptr;
    NvmeCmdDptr dptr;
    uint32_t    cdw10;
    uint32_t    cdw11;
    uint32_t    cdw12;
    uint32_t    cdw13;
    uint32_t    cdw14;
    uint32_t    cdw15;
} NvmeCmd;

#define NVME_CMD_FLAGS_FUSE(flags) (flags & 0x3)
#define NVME_CMD_FLAGS_PSDT(flags) ((flags >> 6) & 0x3)

enum NvmeAdminCommands {
    NVME_ADM_CMD_DELETE_SQ      = 0x00,
    NVME_ADM_CMD_CREATE_SQ      = 0x01,
    NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
    NVME_ADM_CMD_DELETE_CQ      = 0x04,
    NVME_ADM_CMD_CREATE_CQ      = 0x05,
    NVME_ADM_CMD_IDENTIFY       = 0x06,
    NVME_ADM_CMD_ABORT          = 0x08,
    NVME_ADM_CMD_SET_FEATURES   = 0x09,
    NVME_ADM_CMD_GET_FEATURES   = 0x0a,
    NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
    NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
    NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
    NVME_ADM_CMD_NS_ATTACHMENT  = 0x15,
    NVME_ADM_CMD_FORMAT_NVM     = 0x80,
    NVME_ADM_CMD_SECURITY_SEND  = 0x81,
    NVME_ADM_CMD_SECURITY_RECV  = 0x82,
};

enum NvmeIoCommands {
    NVME_CMD_FLUSH              = 0x00,
    NVME_CMD_WRITE              = 0x01,
    NVME_CMD_READ               = 0x02,
    NVME_CMD_WRITE_UNCOR        = 0x04,
    NVME_CMD_COMPARE            = 0x05,
    NVME_CMD_WRITE_ZEROES       = 0x08,
    NVME_CMD_DSM                = 0x09,
    NVME_CMD_VERIFY             = 0x0c,
    NVME_CMD_COPY               = 0x19,
    NVME_CMD_ZONE_MGMT_SEND     = 0x79,
    NVME_CMD_ZONE_MGMT_RECV     = 0x7a,
    NVME_CMD_ZONE_APPEND        = 0x7d,
};

typedef struct QEMU_PACKED NvmeDeleteQ {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    rsvd1[9];
    uint16_t    qid;
    uint16_t    rsvd10;
    uint32_t    rsvd11[5];
} NvmeDeleteQ;

typedef struct QEMU_PACKED NvmeCreateCq {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    rsvd1[5];
    uint64_t    prp1;
    uint64_t    rsvd8;
    uint16_t    cqid;
    uint16_t    qsize;
    uint16_t    cq_flags;
    uint16_t    irq_vector;
    uint32_t    rsvd12[4];
} NvmeCreateCq;

#define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
#define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)

enum NvmeFlagsCq {
    NVME_CQ_PC          = 1,
    NVME_CQ_IEN         = 2,
};

typedef struct QEMU_PACKED NvmeCreateSq {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    rsvd1[5];
    uint64_t    prp1;
    uint64_t    rsvd8;
    uint16_t    sqid;
    uint16_t    qsize;
    uint16_t    sq_flags;
    uint16_t    cqid;
    uint32_t    rsvd12[4];
} NvmeCreateSq;

#define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
#define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)

enum NvmeFlagsSq {
    NVME_SQ_PC          = 1,

    NVME_SQ_PRIO_URGENT = 0,
    NVME_SQ_PRIO_HIGH   = 1,
    NVME_SQ_PRIO_NORMAL = 2,
    NVME_SQ_PRIO_LOW    = 3,
};

typedef struct QEMU_PACKED NvmeIdentify {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    nsid;
    uint64_t    rsvd2[2];
    uint64_t    prp1;
    uint64_t    prp2;
    uint8_t     cns;
    uint8_t     rsvd10;
    uint16_t    ctrlid;
    uint16_t    nvmsetid;
    uint8_t     rsvd11;
    uint8_t     csi;
    uint32_t    rsvd12[4];
} NvmeIdentify;

typedef struct QEMU_PACKED NvmeRwCmd {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    nsid;
    uint64_t    rsvd2;
    uint64_t    mptr;
    NvmeCmdDptr dptr;
    uint64_t    slba;
    uint16_t    nlb;
    uint16_t    control;
    uint32_t    dsmgmt;
    uint32_t    reftag;
    uint16_t    apptag;
    uint16_t    appmask;
} NvmeRwCmd;

enum {
    NVME_RW_LR                  = 1 << 15,
    NVME_RW_FUA                 = 1 << 14,
    NVME_RW_DSM_FREQ_UNSPEC     = 0,
    NVME_RW_DSM_FREQ_TYPICAL    = 1,
    NVME_RW_DSM_FREQ_RARE       = 2,
    NVME_RW_DSM_FREQ_READS      = 3,
    NVME_RW_DSM_FREQ_WRITES     = 4,
    NVME_RW_DSM_FREQ_RW         = 5,
    NVME_RW_DSM_FREQ_ONCE       = 6,
    NVME_RW_DSM_FREQ_PREFETCH   = 7,
    NVME_RW_DSM_FREQ_TEMP       = 8,
    NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
    NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
    NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
    NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
    NVME_RW_DSM_SEQ_REQ         = 1 << 6,
    NVME_RW_DSM_COMPRESSED      = 1 << 7,
    NVME_RW_PIREMAP             = 1 << 9,
    NVME_RW_PRINFO_PRACT        = 1 << 13,
    NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
    NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
    NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
    NVME_RW_PRINFO_PRCHK_MASK   = 7 << 10,

};

#define NVME_RW_PRINFO(control) ((control >> 10) & 0xf)

typedef struct QEMU_PACKED NvmeDsmCmd {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    nsid;
    uint64_t    rsvd2[2];
    NvmeCmdDptr dptr;
    uint32_t    nr;
    uint32_t    attributes;
    uint32_t    rsvd12[4];
} NvmeDsmCmd;

enum {
    NVME_DSMGMT_IDR = 1 << 0,
    NVME_DSMGMT_IDW = 1 << 1,
    NVME_DSMGMT_AD  = 1 << 2,
};

typedef struct QEMU_PACKED NvmeDsmRange {
    uint32_t    cattr;
    uint32_t    nlb;
    uint64_t    slba;
} NvmeDsmRange;

enum {
    NVME_COPY_FORMAT_0 = 0x0,
};

typedef struct QEMU_PACKED NvmeCopyCmd {
    uint8_t     opcode;
    uint8_t     flags;
    uint16_t    cid;
    uint32_t    nsid;
    uint32_t    rsvd2[4];
    NvmeCmdDptr dptr;
    uint64_t    sdlba;
    uint8_t     nr;
    uint8_t     control[3];
    uint16_t    rsvd13;
    uint16_t    dspec;
    uint32_t    reftag;
    uint16_t    apptag;
    uint16_t    appmask;
} NvmeCopyCmd;

typedef struct QEMU_PACKED NvmeCopySourceRange {
    uint8_t  rsvd0[8];
    uint64_t slba;
    uint16_t nlb;
    uint8_t  rsvd18[6];
    uint32_t reftag;
    uint16_t apptag;
    uint16_t appmask;
} NvmeCopySourceRange;

enum NvmeAsyncEventRequest {
    NVME_AER_TYPE_ERROR                     = 0,
    NVME_AER_TYPE_SMART                     = 1,
    NVME_AER_TYPE_NOTICE                    = 2,
    NVME_AER_TYPE_IO_SPECIFIC               = 6,
    NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
    NVME_AER_INFO_ERR_INVALID_DB_REGISTER   = 0,
    NVME_AER_INFO_ERR_INVALID_DB_VALUE      = 1,
    NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
    NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
    NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
    NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
    NVME_AER_INFO_SMART_RELIABILITY         = 0,
    NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
    NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
    NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED    = 0,
};

typedef struct QEMU_PACKED NvmeAerResult {
    uint8_t event_type;
    uint8_t event_info;
    uint8_t log_page;
    uint8_t resv;
} NvmeAerResult;

typedef struct QEMU_PACKED NvmeZonedResult {
    uint64_t slba;
} NvmeZonedResult;

typedef struct QEMU_PACKED NvmeCqe {
    uint32_t    result;
    uint32_t    dw1;
    uint16_t    sq_head;
    uint16_t    sq_id;
    uint16_t    cid;
    uint16_t    status;
} NvmeCqe;

enum NvmeStatusCodes {
    NVME_SUCCESS                = 0x0000,
    NVME_INVALID_OPCODE         = 0x0001,
    NVME_INVALID_FIELD          = 0x0002,
    NVME_CID_CONFLICT           = 0x0003,
    NVME_DATA_TRAS_ERROR        = 0x0004,
    NVME_POWER_LOSS_ABORT       = 0x0005,
    NVME_INTERNAL_DEV_ERROR     = 0x0006,
    NVME_CMD_ABORT_REQ          = 0x0007,
    NVME_CMD_ABORT_SQ_DEL       = 0x0008,
    NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
    NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
    NVME_INVALID_NSID           = 0x000b,
    NVME_CMD_SEQ_ERROR          = 0x000c,
    NVME_INVALID_SGL_SEG_DESCR  = 0x000d,
    NVME_INVALID_NUM_SGL_DESCRS = 0x000e,
    NVME_DATA_SGL_LEN_INVALID   = 0x000f,
    NVME_MD_SGL_LEN_INVALID     = 0x0010,
    NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
    NVME_INVALID_USE_OF_CMB     = 0x0012,
    NVME_INVALID_PRP_OFFSET     = 0x0013,
    NVME_CMD_SET_CMB_REJECTED   = 0x002b,
    NVME_INVALID_CMD_SET        = 0x002c,
    NVME_LBA_RANGE              = 0x0080,
    NVME_CAP_EXCEEDED           = 0x0081,
    NVME_NS_NOT_READY           = 0x0082,
    NVME_NS_RESV_CONFLICT       = 0x0083,
    NVME_FORMAT_IN_PROGRESS     = 0x0084,
    NVME_INVALID_CQID           = 0x0100,
    NVME_INVALID_QID            = 0x0101,
    NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
    NVME_ACL_EXCEEDED           = 0x0103,
    NVME_RESERVED               = 0x0104,
    NVME_AER_LIMIT_EXCEEDED     = 0x0105,
    NVME_INVALID_FW_SLOT        = 0x0106,
    NVME_INVALID_FW_IMAGE       = 0x0107,
    NVME_INVALID_IRQ_VECTOR     = 0x0108,
    NVME_INVALID_LOG_ID         = 0x0109,
    NVME_INVALID_FORMAT         = 0x010a,
    NVME_FW_REQ_RESET           = 0x010b,
    NVME_INVALID_QUEUE_DEL      = 0x010c,
    NVME_FID_NOT_SAVEABLE       = 0x010d,
    NVME_FEAT_NOT_CHANGEABLE    = 0x010e,
    NVME_FEAT_NOT_NS_SPEC       = 0x010f,
    NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
    NVME_NS_ALREADY_ATTACHED    = 0x0118,
    NVME_NS_NOT_ATTACHED        = 0x011A,
    NVME_NS_CTRL_LIST_INVALID   = 0x011C,
    NVME_CONFLICTING_ATTRS      = 0x0180,
    NVME_INVALID_PROT_INFO      = 0x0181,
    NVME_WRITE_TO_RO            = 0x0182,
    NVME_CMD_SIZE_LIMIT         = 0x0183,
    NVME_ZONE_BOUNDARY_ERROR    = 0x01b8,
    NVME_ZONE_FULL              = 0x01b9,
    NVME_ZONE_READ_ONLY         = 0x01ba,
    NVME_ZONE_OFFLINE           = 0x01bb,
    NVME_ZONE_INVALID_WRITE     = 0x01bc,
    NVME_ZONE_TOO_MANY_ACTIVE   = 0x01bd,
    NVME_ZONE_TOO_MANY_OPEN     = 0x01be,
    NVME_ZONE_INVAL_TRANSITION  = 0x01bf,
    NVME_WRITE_FAULT            = 0x0280,
    NVME_UNRECOVERED_READ       = 0x0281,
    NVME_E2E_GUARD_ERROR        = 0x0282,
    NVME_E2E_APP_ERROR          = 0x0283,
    NVME_E2E_REF_ERROR          = 0x0284,
    NVME_CMP_FAILURE            = 0x0285,
    NVME_ACCESS_DENIED          = 0x0286,
    NVME_DULB                   = 0x0287,
    NVME_MORE                   = 0x2000,
    NVME_DNR                    = 0x4000,
    NVME_NO_COMPLETE            = 0xffff,
};

typedef struct QEMU_PACKED NvmeFwSlotInfoLog {
    uint8_t     afi;
    uint8_t     reserved1[7];
    uint8_t     frs1[8];
    uint8_t     frs2[8];
    uint8_t     frs3[8];
    uint8_t     frs4[8];
    uint8_t     frs5[8];
    uint8_t     frs6[8];
    uint8_t     frs7[8];
    uint8_t     reserved2[448];
} NvmeFwSlotInfoLog;

typedef struct QEMU_PACKED NvmeErrorLog {
    uint64_t    error_count;
    uint16_t    sqid;
    uint16_t    cid;
    uint16_t    status_field;
    uint16_t    param_error_location;
    uint64_t    lba;
    uint32_t    nsid;
    uint8_t     vs;
    uint8_t     resv[35];
} NvmeErrorLog;

typedef struct QEMU_PACKED NvmeSmartLog {
    uint8_t     critical_warning;
    uint16_t    temperature;
    uint8_t     available_spare;
    uint8_t     available_spare_threshold;
    uint8_t     percentage_used;
    uint8_t     reserved1[26];
    uint64_t    data_units_read[2];
    uint64_t    data_units_written[2];
    uint64_t    host_read_commands[2];
    uint64_t    host_write_commands[2];
    uint64_t    controller_busy_time[2];
    uint64_t    power_cycles[2];
    uint64_t    power_on_hours[2];
    uint64_t    unsafe_shutdowns[2];
    uint64_t    media_errors[2];
    uint64_t    number_of_error_log_entries[2];
    uint8_t     reserved2[320];
} NvmeSmartLog;

#define NVME_SMART_WARN_MAX     6
enum NvmeSmartWarn {
    NVME_SMART_SPARE                  = 1 << 0,
    NVME_SMART_TEMPERATURE            = 1 << 1,
    NVME_SMART_RELIABILITY            = 1 << 2,
    NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
    NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
    NVME_SMART_PMR_UNRELIABLE         = 1 << 5,
};

typedef struct NvmeEffectsLog {
    uint32_t    acs[256];
    uint32_t    iocs[256];
    uint8_t     resv[2048];
} NvmeEffectsLog;

enum {
    NVME_CMD_EFF_CSUPP      = 1 << 0,
    NVME_CMD_EFF_LBCC       = 1 << 1,
    NVME_CMD_EFF_NCC        = 1 << 2,
    NVME_CMD_EFF_NIC        = 1 << 3,
    NVME_CMD_EFF_CCC        = 1 << 4,
    NVME_CMD_EFF_CSE_MASK   = 3 << 16,
    NVME_CMD_EFF_UUID_SEL   = 1 << 19,
};

enum NvmeLogIdentifier {
    NVME_LOG_ERROR_INFO     = 0x01,
    NVME_LOG_SMART_INFO     = 0x02,
    NVME_LOG_FW_SLOT_INFO   = 0x03,
    NVME_LOG_CHANGED_NSLIST = 0x04,
    NVME_LOG_CMD_EFFECTS    = 0x05,
};

typedef struct QEMU_PACKED NvmePSD {
    uint16_t    mp;
    uint16_t    reserved;
    uint32_t    enlat;
    uint32_t    exlat;
    uint8_t     rrt;
    uint8_t     rrl;
    uint8_t     rwt;
    uint8_t     rwl;
    uint8_t     resv[16];
} NvmePSD;

#define NVME_CONTROLLER_LIST_SIZE 2048
#define NVME_IDENTIFY_DATA_SIZE 4096

enum NvmeIdCns {
    NVME_ID_CNS_NS                    = 0x00,
    NVME_ID_CNS_CTRL                  = 0x01,
    NVME_ID_CNS_NS_ACTIVE_LIST        = 0x02,
    NVME_ID_CNS_NS_DESCR_LIST         = 0x03,
    NVME_ID_CNS_CS_NS                 = 0x05,
    NVME_ID_CNS_CS_CTRL               = 0x06,
    NVME_ID_CNS_CS_NS_ACTIVE_LIST     = 0x07,
    NVME_ID_CNS_NS_PRESENT_LIST       = 0x10,
    NVME_ID_CNS_NS_PRESENT            = 0x11,
    NVME_ID_CNS_NS_ATTACHED_CTRL_LIST = 0x12,
    NVME_ID_CNS_CS_NS_PRESENT_LIST    = 0x1a,
    NVME_ID_CNS_CS_NS_PRESENT         = 0x1b,
    NVME_ID_CNS_IO_COMMAND_SET        = 0x1c,
};

typedef struct QEMU_PACKED NvmeIdCtrl {
    uint16_t    vid;
    uint16_t    ssvid;
    uint8_t     sn[20];
    uint8_t     mn[40];
    uint8_t     fr[8];
    uint8_t     rab;
    uint8_t     ieee[3];
    uint8_t     cmic;
    uint8_t     mdts;
    uint16_t    cntlid;
    uint32_t    ver;
    uint32_t    rtd3r;
    uint32_t    rtd3e;
    uint32_t    oaes;
    uint32_t    ctratt;
    uint8_t     rsvd100[11];
    uint8_t     cntrltype;
    uint8_t     fguid[16];
    uint8_t     rsvd128[128];
    uint16_t    oacs;
    uint8_t     acl;
    uint8_t     aerl;
    uint8_t     frmw;
    uint8_t     lpa;
    uint8_t     elpe;
    uint8_t     npss;
    uint8_t     avscc;
    uint8_t     apsta;
    uint16_t    wctemp;
    uint16_t    cctemp;
    uint16_t    mtfa;
    uint32_t    hmpre;
    uint32_t    hmmin;
    uint8_t     tnvmcap[16];
    uint8_t     unvmcap[16];
    uint32_t    rpmbs;
    uint16_t    edstt;
    uint8_t     dsto;
    uint8_t     fwug;
    uint16_t    kas;
    uint16_t    hctma;
    uint16_t    mntmt;
    uint16_t    mxtmt;
    uint32_t    sanicap;
    uint8_t     rsvd332[180];
    uint8_t     sqes;
    uint8_t     cqes;
    uint16_t    maxcmd;
    uint32_t    nn;
    uint16_t    oncs;
    uint16_t    fuses;
    uint8_t     fna;
    uint8_t     vwc;
    uint16_t    awun;
    uint16_t    awupf;
    uint8_t     nvscc;
    uint8_t     rsvd531;
    uint16_t    acwu;
    uint16_t    ocfs;
    uint32_t    sgls;
    uint8_t     rsvd540[228];
    uint8_t     subnqn[256];
    uint8_t     rsvd1024[1024];
    NvmePSD     psd[32];
    uint8_t     vs[1024];
} NvmeIdCtrl;

typedef struct NvmeIdCtrlZoned {
    uint8_t     zasl;
    uint8_t     rsvd1[4095];
} NvmeIdCtrlZoned;

typedef struct NvmeIdCtrlNvm {
    uint8_t     vsl;
    uint8_t     wzsl;
    uint8_t     wusl;
    uint8_t     dmrl;
    uint32_t    dmrsl;
    uint64_t    dmsl;
    uint8_t     rsvd16[4080];
} NvmeIdCtrlNvm;

enum NvmeIdCtrlOaes {
    NVME_OAES_NS_ATTR   = 1 << 8,
};

enum NvmeIdCtrlOacs {
    NVME_OACS_SECURITY  = 1 << 0,
    NVME_OACS_FORMAT    = 1 << 1,
    NVME_OACS_FW        = 1 << 2,
    NVME_OACS_NS_MGMT   = 1 << 3,
};

enum NvmeIdCtrlOncs {
    NVME_ONCS_COMPARE       = 1 << 0,
    NVME_ONCS_WRITE_UNCORR  = 1 << 1,
    NVME_ONCS_DSM           = 1 << 2,
    NVME_ONCS_WRITE_ZEROES  = 1 << 3,
    NVME_ONCS_FEATURES      = 1 << 4,
    NVME_ONCS_RESRVATIONS   = 1 << 5,
    NVME_ONCS_TIMESTAMP     = 1 << 6,
    NVME_ONCS_VERIFY        = 1 << 7,
    NVME_ONCS_COPY          = 1 << 8,
};

enum NvmeIdCtrlOcfs {
    NVME_OCFS_COPY_FORMAT_0 = 1 << 0,
};

enum NvmeIdctrlVwc {
    NVME_VWC_PRESENT                    = 1 << 0,
    NVME_VWC_NSID_BROADCAST_NO_SUPPORT  = 0 << 1,
    NVME_VWC_NSID_BROADCAST_RESERVED    = 1 << 1,
    NVME_VWC_NSID_BROADCAST_CTRL_SPEC   = 2 << 1,
    NVME_VWC_NSID_BROADCAST_SUPPORT     = 3 << 1,
};

enum NvmeIdCtrlFrmw {
    NVME_FRMW_SLOT1_RO = 1 << 0,
};

enum NvmeIdCtrlLpa {
    NVME_LPA_NS_SMART = 1 << 0,
    NVME_LPA_CSE      = 1 << 1,
    NVME_LPA_EXTENDED = 1 << 2,
};

enum NvmeIdCtrlCmic {
    NVME_CMIC_MULTI_CTRL    = 1 << 1,
};

#define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
#define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
#define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
#define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)

#define NVME_CTRL_SGLS_SUPPORT_MASK        (0x3 <<  0)
#define NVME_CTRL_SGLS_SUPPORT_NO_ALIGN    (0x1 <<  0)
#define NVME_CTRL_SGLS_SUPPORT_DWORD_ALIGN (0x1 <<  1)
#define NVME_CTRL_SGLS_KEYED               (0x1 <<  2)
#define NVME_CTRL_SGLS_BITBUCKET           (0x1 << 16)
#define NVME_CTRL_SGLS_MPTR_CONTIGUOUS     (0x1 << 17)
#define NVME_CTRL_SGLS_EXCESS_LENGTH       (0x1 << 18)
#define NVME_CTRL_SGLS_MPTR_SGL            (0x1 << 19)
#define NVME_CTRL_SGLS_ADDR_OFFSET         (0x1 << 20)

#define NVME_ARB_AB(arb)    (arb & 0x7)
#define NVME_ARB_AB_NOLIMIT 0x7
#define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
#define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
#define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)

#define NVME_INTC_THR(intc)     (intc & 0xff)
#define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)

#define NVME_INTVC_NOCOALESCING (0x1 << 16)

#define NVME_TEMP_THSEL(temp)  ((temp >> 20) & 0x3)
#define NVME_TEMP_THSEL_OVER   0x0
#define NVME_TEMP_THSEL_UNDER  0x1

#define NVME_TEMP_TMPSEL(temp)     ((temp >> 16) & 0xf)
#define NVME_TEMP_TMPSEL_COMPOSITE 0x0

#define NVME_TEMP_TMPTH(temp) (temp & 0xffff)

#define NVME_AEC_SMART(aec)         (aec & 0xff)
#define NVME_AEC_NS_ATTR(aec)       ((aec >> 8) & 0x1)
#define NVME_AEC_FW_ACTIVATION(aec) ((aec >> 9) & 0x1)

#define NVME_ERR_REC_TLER(err_rec)  (err_rec & 0xffff)
#define NVME_ERR_REC_DULBE(err_rec) (err_rec & 0x10000)

enum NvmeFeatureIds {
    NVME_ARBITRATION                = 0x1,
    NVME_POWER_MANAGEMENT           = 0x2,
    NVME_LBA_RANGE_TYPE             = 0x3,
    NVME_TEMPERATURE_THRESHOLD      = 0x4,
    NVME_ERROR_RECOVERY             = 0x5,
    NVME_VOLATILE_WRITE_CACHE       = 0x6,
    NVME_NUMBER_OF_QUEUES           = 0x7,
    NVME_INTERRUPT_COALESCING       = 0x8,
    NVME_INTERRUPT_VECTOR_CONF      = 0x9,
    NVME_WRITE_ATOMICITY            = 0xa,
    NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
    NVME_TIMESTAMP                  = 0xe,
    NVME_COMMAND_SET_PROFILE        = 0x19,
    NVME_SOFTWARE_PROGRESS_MARKER   = 0x80,
    NVME_FID_MAX                    = 0x100,
};

typedef enum NvmeFeatureCap {
    NVME_FEAT_CAP_SAVE      = 1 << 0,
    NVME_FEAT_CAP_NS        = 1 << 1,
    NVME_FEAT_CAP_CHANGE    = 1 << 2,
} NvmeFeatureCap;

typedef enum NvmeGetFeatureSelect {
    NVME_GETFEAT_SELECT_CURRENT = 0x0,
    NVME_GETFEAT_SELECT_DEFAULT = 0x1,
    NVME_GETFEAT_SELECT_SAVED   = 0x2,
    NVME_GETFEAT_SELECT_CAP     = 0x3,
} NvmeGetFeatureSelect;

#define NVME_GETSETFEAT_FID_MASK 0xff
#define NVME_GETSETFEAT_FID(dw10) (dw10 & NVME_GETSETFEAT_FID_MASK)

#define NVME_GETFEAT_SELECT_SHIFT 8
#define NVME_GETFEAT_SELECT_MASK  0x7
#define NVME_GETFEAT_SELECT(dw10) \
    ((dw10 >> NVME_GETFEAT_SELECT_SHIFT) & NVME_GETFEAT_SELECT_MASK)

#define NVME_SETFEAT_SAVE_SHIFT 31
#define NVME_SETFEAT_SAVE_MASK  0x1
#define NVME_SETFEAT_SAVE(dw10) \
    ((dw10 >> NVME_SETFEAT_SAVE_SHIFT) & NVME_SETFEAT_SAVE_MASK)

typedef struct QEMU_PACKED NvmeRangeType {
    uint8_t     type;
    uint8_t     attributes;
    uint8_t     rsvd2[14];
    uint64_t    slba;
    uint64_t    nlb;
    uint8_t     guid[16];
    uint8_t     rsvd48[16];
} NvmeRangeType;

typedef struct QEMU_PACKED NvmeLBAF {
    uint16_t    ms;
    uint8_t     ds;
    uint8_t     rp;
} NvmeLBAF;

typedef struct QEMU_PACKED NvmeLBAFE {
    uint64_t    zsze;
    uint8_t     zdes;
    uint8_t     rsvd9[7];
} NvmeLBAFE;

#define NVME_NSID_BROADCAST 0xffffffff

typedef struct QEMU_PACKED NvmeIdNs {
    uint64_t    nsze;
    uint64_t    ncap;
    uint64_t    nuse;
    uint8_t     nsfeat;
    uint8_t     nlbaf;
    uint8_t     flbas;
    uint8_t     mc;
    uint8_t     dpc;
    uint8_t     dps;
    uint8_t     nmic;
    uint8_t     rescap;
    uint8_t     fpi;
    uint8_t     dlfeat;
    uint16_t    nawun;
    uint16_t    nawupf;
    uint16_t    nacwu;
    uint16_t    nabsn;
    uint16_t    nabo;
    uint16_t    nabspf;
    uint16_t    noiob;
    uint8_t     nvmcap[16];
    uint16_t    npwg;
    uint16_t    npwa;
    uint16_t    npdg;
    uint16_t    npda;
    uint16_t    nows;
    uint16_t    mssrl;
    uint32_t    mcl;
    uint8_t     msrc;
    uint8_t     rsvd81[23];
    uint8_t     nguid[16];
    uint64_t    eui64;
    NvmeLBAF    lbaf[16];
    uint8_t     rsvd192[192];
    uint8_t     vs[3712];
} NvmeIdNs;

typedef struct QEMU_PACKED NvmeIdNsDescr {
    uint8_t nidt;
    uint8_t nidl;
    uint8_t rsvd2[2];
} NvmeIdNsDescr;

enum NvmeNsIdentifierLength {
    NVME_NIDL_EUI64             = 8,
    NVME_NIDL_NGUID             = 16,
    NVME_NIDL_UUID              = 16,
    NVME_NIDL_CSI               = 1,
};

enum NvmeNsIdentifierType {
    NVME_NIDT_EUI64             = 0x01,
    NVME_NIDT_NGUID             = 0x02,
    NVME_NIDT_UUID              = 0x03,
    NVME_NIDT_CSI               = 0x04,
};

enum NvmeIdNsNmic {
    NVME_NMIC_NS_SHARED         = 1 << 0,
};

enum NvmeCsi {
    NVME_CSI_NVM                = 0x00,
    NVME_CSI_ZONED              = 0x02,
};

#define NVME_SET_CSI(vec, csi) (vec |= (uint8_t)(1 << (csi)))

typedef struct QEMU_PACKED NvmeIdNsZoned {
    uint16_t    zoc;
    uint16_t    ozcs;
    uint32_t    mar;
    uint32_t    mor;
    uint32_t    rrl;
    uint32_t    frl;
    uint8_t     rsvd20[2796];
    NvmeLBAFE   lbafe[16];
    uint8_t     rsvd3072[768];
    uint8_t     vs[256];
} NvmeIdNsZoned;

/*Deallocate Logical Block Features*/
#define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat)       ((dlfeat) & 0x10)
#define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat)    ((dlfeat) & 0x08)

#define NVME_ID_NS_DLFEAT_READ_BEHAVIOR(dlfeat)     ((dlfeat) & 0x7)
#define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_UNDEFINED   0
#define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ZEROES      1
#define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ONES        2


#define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
#define NVME_ID_NS_NSFEAT_DULBE(nsfeat)     ((nsfeat >> 2) & 0x1)
#define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
#define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
#define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
#define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
#define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
#define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
#define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
#define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
#define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
#define NVME_ID_NS_DPC_TYPE_MASK            0x7

enum NvmeIdNsDps {
    NVME_ID_NS_DPS_TYPE_NONE   = 0,
    NVME_ID_NS_DPS_TYPE_1      = 1,
    NVME_ID_NS_DPS_TYPE_2      = 2,
    NVME_ID_NS_DPS_TYPE_3      = 3,
    NVME_ID_NS_DPS_TYPE_MASK   = 0x7,
    NVME_ID_NS_DPS_FIRST_EIGHT = 8,
};

#define NVME_ID_NS_DPS_TYPE(dps) (dps & NVME_ID_NS_DPS_TYPE_MASK)

typedef struct NvmeDifTuple {
    uint16_t guard;
    uint16_t apptag;
    uint32_t reftag;
} NvmeDifTuple;

enum NvmeZoneAttr {
    NVME_ZA_FINISHED_BY_CTLR         = 1 << 0,
    NVME_ZA_FINISH_RECOMMENDED       = 1 << 1,
    NVME_ZA_RESET_RECOMMENDED        = 1 << 2,
    NVME_ZA_ZD_EXT_VALID             = 1 << 7,
};

typedef struct QEMU_PACKED NvmeZoneReportHeader {
    uint64_t    nr_zones;
    uint8_t     rsvd[56];
} NvmeZoneReportHeader;

enum NvmeZoneReceiveAction {
    NVME_ZONE_REPORT                 = 0,
    NVME_ZONE_REPORT_EXTENDED        = 1,
};

enum NvmeZoneReportType {
    NVME_ZONE_REPORT_ALL             = 0,
    NVME_ZONE_REPORT_EMPTY           = 1,
    NVME_ZONE_REPORT_IMPLICITLY_OPEN = 2,
    NVME_ZONE_REPORT_EXPLICITLY_OPEN = 3,
    NVME_ZONE_REPORT_CLOSED          = 4,
    NVME_ZONE_REPORT_FULL            = 5,
    NVME_ZONE_REPORT_READ_ONLY       = 6,
    NVME_ZONE_REPORT_OFFLINE         = 7,
};

enum NvmeZoneType {
    NVME_ZONE_TYPE_RESERVED          = 0x00,
    NVME_ZONE_TYPE_SEQ_WRITE         = 0x02,
};

enum NvmeZoneSendAction {
    NVME_ZONE_ACTION_RSD             = 0x00,
    NVME_ZONE_ACTION_CLOSE           = 0x01,
    NVME_ZONE_ACTION_FINISH          = 0x02,
    NVME_ZONE_ACTION_OPEN            = 0x03,
    NVME_ZONE_ACTION_RESET           = 0x04,
    NVME_ZONE_ACTION_OFFLINE         = 0x05,
    NVME_ZONE_ACTION_SET_ZD_EXT      = 0x10,
};

typedef struct QEMU_PACKED NvmeZoneDescr {
    uint8_t     zt;
    uint8_t     zs;
    uint8_t     za;
    uint8_t     rsvd3[5];
    uint64_t    zcap;
    uint64_t    zslba;
    uint64_t    wp;
    uint8_t     rsvd32[32];
} NvmeZoneDescr;

typedef enum NvmeZoneState {
    NVME_ZONE_STATE_RESERVED         = 0x00,
    NVME_ZONE_STATE_EMPTY            = 0x01,
    NVME_ZONE_STATE_IMPLICITLY_OPEN  = 0x02,
    NVME_ZONE_STATE_EXPLICITLY_OPEN  = 0x03,
    NVME_ZONE_STATE_CLOSED           = 0x04,
    NVME_ZONE_STATE_READ_ONLY        = 0x0D,
    NVME_ZONE_STATE_FULL             = 0x0E,
    NVME_ZONE_STATE_OFFLINE          = 0x0F,
} NvmeZoneState;

static inline void _nvme_check_size(void)
{
    QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
    QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
    QEMU_BUILD_BUG_ON(sizeof(NvmeZonedResult) != 8);
    QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
    QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
    QEMU_BUILD_BUG_ON(sizeof(NvmeCopySourceRange) != 32);
    QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeCopyCmd) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
    QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
    QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) != 4096);
    QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
    QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlZoned) != 4096);
    QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlNvm) != 4096);
    QEMU_BUILD_BUG_ON(sizeof(NvmeLBAF) != 4);
    QEMU_BUILD_BUG_ON(sizeof(NvmeLBAFE) != 16);
    QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
    QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsZoned) != 4096);
    QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16);
    QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
    QEMU_BUILD_BUG_ON(sizeof(NvmeZoneDescr) != 64);
    QEMU_BUILD_BUG_ON(sizeof(NvmeDifTuple) != 8);
}
#endif