summaryrefslogtreecommitdiffstats
path: root/src/nvme/mi.h
blob: ab4216dd542449b7bf86e9114d6311b0031b1bf0 (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
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
// SPDX-License-Identifier: LGPL-2.1-or-later
/*
 * This file is part of libnvme.
 * Copyright (c) 2021 Code Construct Pty Ltd
 *
 * Authors: Jeremy Kerr <jk@codeconstruct.com.au>
 */

/**
 * DOC: mi.h - NVMe Management Interface library (libnvme-mi) definitions.
 *
 * These provide an abstraction for the MI messaging between controllers
 * and a host, typically over an MCTP-over-i2c link to a NVMe device, used
 * as part of the out-of-band management of a system.
 *
 * We have a few data structures define here to reflect the topology
 * of a MI connection with an NVMe subsystem:
 *
 *  - &nvme_mi_ep_t: an MI endpoint - our mechanism of communication with a
 *    NVMe subsystem. For MCTP, an endpoint will be the component that
 *    holds the MCTP address (EID), and receives our request message.
 *
 *    endpoints are defined in the NVMe-MI spec, and are specific to the MI
 *    interface.
 *
 *    Each endpoint will provide access to one or more of:
 *
 *  - &nvme_mi_ctrl_t: a NVMe controller, as defined by the NVMe base spec.
 *    The controllers are responsible for processing any NVMe standard
 *    commands (eg, the Admin command set). An endpoint (&nvme_mi_ep_t)
 *    may provide access to multiple controllers - so each of the controller-
 *    type commands will require a &nvme_mi_ctrl_t to be specified, rather than
 *    an endpoint
 *
 * A couple of conventions with the libnvme-mi API:
 *
 *  - All types and functions have the nvme_mi prefix, to distinguish from
 *    the libnvme core.
 *
 *  - We currently support either MI commands and Admin commands. The
 *    former adds a _mi prefix, the latter an _admin prefix. [This does
 *    result in the MI functions having a double _mi, like
 *    &nvme_mi_mi_subsystem_health_status_poll, which is apparently amusing
 *    for our German-speaking readers]
 *
 * For return values: unless specified in the per-function documentation,
 * all functions:
 *
 *  - return 0 on success
 *
 *  - return -1, with errno set, for errors communicating with the MI device,
 *    either in request or response data
 *
 *  - return >1 on MI status errors. This value is the 8-bit MI status
 *    value, represented by &enum nvme_mi_resp_status. Note that the
 *    status values may be vendor-defined above 0xe0.
 *
 * For the second case, we have a few conventions for errno values:
 *
 *  - EPROTO: response data violated the MI protocol, and libnvme cannot
 *    validly interpret the response
 *
 *  - EIO: Other I/O error communicating with device (eg., valid but
 *    unexpected response data)
 *
 *  - EINVAL: invalid input arguments for a command
 *
 * In line with the core NVMe API, the Admin command functions take an
 * `_args` structure to provide the command-specific parameters. However,
 * for the MI interface, the fd and timeout members of these _args structs
 * are ignored.
 *
 * References to the specifications here will either to be the NVM Express
 * Management Interface ("NVMe-MI") or the NVM Express Base specification
 * ("NVMe"). At the time of writing, the versions we're referencing here
 * are:
 *  - NVMe-MI 1.2b
 *  - NVMe 2.0b
 * with a couple of accommodations for older spec types, particularly NVMe-MI
 * 1.1, where possible.
 *
 */

#ifndef _LIBNVME_MI_MI_H
#define _LIBNVME_MI_MI_H

#include <endian.h>
#include <stdint.h>

#include "types.h"
#include "tree.h"

/**
 * NVME_MI_MSGTYPE_NVME - MCTP message type for NVMe-MI messages.
 *
 * This is defined by MCTP, but is referenced as part of the NVMe-MI message
 * spec. This is the MCTP NVMe message type (0x4), with the message-integrity
 * bit (0x80) set.
 */
#define NVME_MI_MSGTYPE_NVME 0x84

/* Basic MI message definitions */

/**
 * enum nvme_mi_message_type - NVMe-MI message type field.
 * @NVME_MI_MT_CONTROL: NVME-MI Control Primitive
 * @NVME_MI_MT_MI: NVMe-MI command
 * @NVME_MI_MT_ADMIN: NVMe Admin command
 * @NVME_MI_MT_PCIE: PCIe command
 *
 * Used as byte 1 of both request and response messages (NMIMT bits of NMP
 * byte). Not to be confused with the MCTP message type in byte 0.
 */
enum nvme_mi_message_type {
	NVME_MI_MT_CONTROL = 0,
	NVME_MI_MT_MI = 1,
	NVME_MI_MT_ADMIN = 2,
	NVME_MI_MT_PCIE = 4,
};

/**
 * enum nvme_mi_ror: Request or response field.
 * @NVME_MI_ROR_REQ: request message
 * @NVME_MI_ROR_RSP: response message
 */
enum nvme_mi_ror {
	NVME_MI_ROR_REQ = 0,
	NVME_MI_ROR_RSP = 1,
};

/**
 * enum nvme_mi_resp_status - values for the response status field
 * @NVME_MI_RESP_SUCCESS: success
 * @NVME_MI_RESP_MPR: More Processing Required
 * @NVME_MI_RESP_INTERNAL_ERR: Internal Error
 * @NVME_MI_RESP_INVALID_OPCODE: Invalid command opcode
 * @NVME_MI_RESP_INVALID_PARAM: Invalid command parameter
 * @NVME_MI_RESP_INVALID_CMD_SIZE: Invalid command size
 * @NVME_MI_RESP_INVALID_INPUT_SIZE: Invalid command input data size
 * @NVME_MI_RESP_ACCESS_DENIED: Access Denied
 * @NVME_MI_RESP_VPD_UPDATES_EXCEEDED: More VPD updates than allowed
 * @NVME_MI_RESP_PCIE_INACCESSIBLE: PCIe functionality currently unavailable
 * @NVME_MI_RESP_MEB_SANITIZED: MEB has been cleared due to sanitize
 * @NVME_MI_RESP_ENC_SERV_FAILURE: Enclosure services process failed
 * @NVME_MI_RESP_ENC_SERV_XFER_FAILURE: Transfer with enclosure services failed
 * @NVME_MI_RESP_ENC_FAILURE: Unreoverable enclosure failure
 * @NVME_MI_RESP_ENC_XFER_REFUSED: Enclosure services transfer refused
 * @NVME_MI_RESP_ENC_FUNC_UNSUP: Unsupported enclosure services function
 * @NVME_MI_RESP_ENC_SERV_UNAVAIL: Enclosure services unavailable
 * @NVME_MI_RESP_ENC_DEGRADED: Noncritical failure detected by enc. services
 * @NVME_MI_RESP_SANITIZE_IN_PROGRESS: Command prohibited during sanitize
 */
enum nvme_mi_resp_status {
	NVME_MI_RESP_SUCCESS = 0x00,
	NVME_MI_RESP_MPR = 0x01,
	NVME_MI_RESP_INTERNAL_ERR = 0x02,
	NVME_MI_RESP_INVALID_OPCODE = 0x03,
	NVME_MI_RESP_INVALID_PARAM = 0x04,
	NVME_MI_RESP_INVALID_CMD_SIZE = 0x05,
	NVME_MI_RESP_INVALID_INPUT_SIZE = 0x06,
	NVME_MI_RESP_ACCESS_DENIED = 0x07,
	/* 0x08 - 0x1f: reserved */
	NVME_MI_RESP_VPD_UPDATES_EXCEEDED = 0x20,
	NVME_MI_RESP_PCIE_INACCESSIBLE = 0x21,
	NVME_MI_RESP_MEB_SANITIZED = 0x22,
	NVME_MI_RESP_ENC_SERV_FAILURE = 0x23,
	NVME_MI_RESP_ENC_SERV_XFER_FAILURE = 0x24,
	NVME_MI_RESP_ENC_FAILURE = 0x25,
	NVME_MI_RESP_ENC_XFER_REFUSED = 0x26,
	NVME_MI_RESP_ENC_FUNC_UNSUP = 0x27,
	NVME_MI_RESP_ENC_SERV_UNAVAIL = 0x28,
	NVME_MI_RESP_ENC_DEGRADED = 0x29,
	NVME_MI_RESP_SANITIZE_IN_PROGRESS = 0x2a,
	/* 0x2b - 0xdf: reserved */
	/* 0xe0 - 0xff: vendor specific */
};

/**
 * struct nvme_mi_msg_hdr - General MI message header.
 * @type: MCTP message type, will always be NVME_MI_MSGTYPE_NVME
 * @nmp: NVMe-MI message parameters (including MI message type)
 * @meb: Management Endpoint Buffer flag; unused for libnvme-mi implementation
 * @rsvd0: currently reserved
 *
 * Wire format shared by both request and response messages, per NVMe-MI
 * section 3.1. This is used for all message types, MI and Admin.
 */
struct nvme_mi_msg_hdr {
	__u8	type;
	__u8	nmp;
	__u8	meb;
	__u8	rsvd0;
} __attribute__((packed));

/**
 * struct nvme_mi_msg_resp - Generic response type.
 * @hdr: the general request/response message header
 * @status: response status value (see &enum nvme_mi_resp_status)
 * @rsvd0: reserved data, may be defined by specific response
 *
 * Every response will start with one of these; command-specific responses
 * will define parts of the reserved data, and may add further fields.
 */
struct nvme_mi_msg_resp {
	struct nvme_mi_msg_hdr hdr;
	__u8	status;
	__u8	rsvd0[3];
};

/**
 * enum nvme_mi_mi_opcode - Operation code for supported NVMe-MI commands.
 * @nvme_mi_mi_opcode_mi_data_read: Read NVMe-MI Data Structure
 * @nvme_mi_mi_opcode_subsys_health_status_poll: Subsystem Health Status Poll
 * @nvme_mi_mi_opcode_configuration_set: MI Configuration Set
 * @nvme_mi_mi_opcode_configuration_get: MI Configuration Get
 */
enum nvme_mi_mi_opcode {
	nvme_mi_mi_opcode_mi_data_read = 0x00,
	nvme_mi_mi_opcode_subsys_health_status_poll = 0x01,
	nvme_mi_mi_opcode_configuration_set = 0x03,
	nvme_mi_mi_opcode_configuration_get = 0x04,
};

/**
 * struct nvme_mi_mi_req_hdr - MI request message header.
 * @hdr: generic MI message header
 * @opcode: opcode (OPC) for the specific MI command
 * @rsvd0: reserved bytes
 * @cdw0: Management Request Doubleword 0 - command specific usage
 * @cdw1: Management Request Doubleword 1 - command specific usage
 *
 * Wire format for MI request message headers, defined in section 5 of NVMe-MI.
 */
struct nvme_mi_mi_req_hdr {
	struct nvme_mi_msg_hdr hdr;
	__u8	opcode;
	__u8	rsvd0[3];
	__le32	cdw0, cdw1;
};

/**
 * struct nvme_mi_mi_resp_hdr - MI response message header.
 * @hdr: generic MI message header
 * @status: generic response status from command; non-zero on failure.
 * @nmresp: NVMe Management Response: command-type-specific response data
 *
 * Wire format for MI response message header, defined in section 5 of NVMe-MI.
 */
struct nvme_mi_mi_resp_hdr {
	struct nvme_mi_msg_hdr hdr;
	__u8	status;
	__u8	nmresp[3];
};

/**
 * enum nvme_mi_dtyp - Data Structure Type field.
 * @nvme_mi_dtyp_subsys_info: NVM Subsystem Information
 * @nvme_mi_dtyp_port_info: Port information
 * @nvme_mi_dtyp_ctrl_list: Controller List
 * @nvme_mi_dtyp_ctrl_info: Controller Information
 * @nvme_mi_dtyp_opt_cmd_support: Optionally Supported Command List
 * @nvme_mi_dtyp_meb_support: Management Endpoint Buffer Command Support List
 *
 * Data Structure Type field for Read NVMe-MI Data Structure command, used to
 * indicate the particular structure to query from the endpoint.
 */
enum nvme_mi_dtyp {
	nvme_mi_dtyp_subsys_info = 0x00,
	nvme_mi_dtyp_port_info = 0x01,
	nvme_mi_dtyp_ctrl_list = 0x02,
	nvme_mi_dtyp_ctrl_info = 0x03,
	nvme_mi_dtyp_opt_cmd_support = 0x04,
	nvme_mi_dtyp_meb_support = 0x05,
};

/**
 * enum nvme_mi_config_id - NVMe-MI Configuration identifier.
 * @NVME_MI_CONFIG_SMBUS_FREQ: Current SMBus/I2C frequency
 * @NVME_MI_CONFIG_HEALTH_STATUS_CHANGE: Health Status change - used to clear
 *                                       health status bits in CCS bits of
 *                                       status poll. Only for Set ops.
 * @NVME_MI_CONFIG_MCTP_MTU: MCTP maximum transmission unit size of port
 *                           specified in dw 0
 *
 * Configuration parameters for the MI Get/Set Configuration commands.
 *
 * See &nvme_mi_mi_config_get() and &nvme_mi_config_set().
 */
enum nvme_mi_config_id {
	NVME_MI_CONFIG_SMBUS_FREQ = 0x1,
	NVME_MI_CONFIG_HEALTH_STATUS_CHANGE = 0x2,
	NVME_MI_CONFIG_MCTP_MTU = 0x3,
};

/**
 * enum nvme_mi_config_smbus_freq - SMBus/I2C frequency values
 * @NVME_MI_CONFIG_SMBUS_FREQ_100kHz: 100kHz
 * @NVME_MI_CONFIG_SMBUS_FREQ_400kHz: 400kHz
 * @NVME_MI_CONFIG_SMBUS_FREQ_1MHz: 1MHz
 *
 * Values used in the SMBus Frequency device configuration. See
 * &nvme_mi_mi_config_get_smbus_freq() and &nvme_mi_mi_config_set_smbus_freq().
 */
enum nvme_mi_config_smbus_freq {
	NVME_MI_CONFIG_SMBUS_FREQ_100kHz = 0x1,
	NVME_MI_CONFIG_SMBUS_FREQ_400kHz = 0x2,
	NVME_MI_CONFIG_SMBUS_FREQ_1MHz = 0x3,
};

/* Admin command definitions */

/**
 * struct nvme_mi_admin_req_hdr - Admin command request header.
 * @hdr: Generic MI message header
 * @opcode: Admin command opcode (using enum nvme_admin_opcode)
 * @flags: Command Flags, indicating dlen and doff validity; Only defined in
 *         NVMe-MI version 1.1, no fields defined in 1.2 (where the dlen/doff
 *         are always considered valid).
 * @ctrl_id: Controller ID target of command
 * @cdw1: Submission Queue Entry doubleword 1
 * @cdw2: Submission Queue Entry doubleword 2
 * @cdw3: Submission Queue Entry doubleword 3
 * @cdw4: Submission Queue Entry doubleword 4
 * @cdw5: Submission Queue Entry doubleword 5
 * @doff: Offset of data to return from command
 * @dlen: Length of sent/returned data
 * @rsvd0: Reserved
 * @rsvd1: Reserved
 * @cdw10: Submission Queue Entry doubleword 10
 * @cdw11: Submission Queue Entry doubleword 11
 * @cdw12: Submission Queue Entry doubleword 12
 * @cdw13: Submission Queue Entry doubleword 13
 * @cdw14: Submission Queue Entry doubleword 14
 * @cdw15: Submission Queue Entry doubleword 15
 *
 * Wire format for Admin command message headers, defined in section 6 of
 * NVMe-MI.
 */
struct nvme_mi_admin_req_hdr {
	struct nvme_mi_msg_hdr hdr;
	__u8	opcode;
	__u8	flags;
	__le16	ctrl_id;
	__le32	cdw1, cdw2, cdw3, cdw4, cdw5;
	__le32	doff;
	__le32	dlen;
	__le32	rsvd0, rsvd1;
	__le32	cdw10, cdw11, cdw12, cdw13, cdw14, cdw15;
} __attribute((packed));

/**
 * struct nvme_mi_admin_resp_hdr - Admin command response header.
 * @hdr: Generic MI message header
 * @status: Generic response code, non-zero on failure
 * @rsvd0: Reserved
 * @cdw0: Completion Queue Entry doubleword 0
 * @cdw1: Completion Queue Entry doubleword 1
 * @cdw3: Completion Queue Entry doubleword 3
 *
 * This is the generic response format with the three doublewords of completion
 * queue data, plus optional response data.
 */
struct nvme_mi_admin_resp_hdr {
	struct nvme_mi_msg_hdr hdr;
	__u8	status;
	__u8	rsvd0[3];
	__le32	cdw0, cdw1, cdw3;
} __attribute__((packed));

/**
 * nvme_mi_status_to_string() - return a string representation of the MI
 * status.
 * @status: MI response status
 *
 * Gives a string description of @status, as per section 4.1.2 of the NVMe-MI
 * spec. The status value should be of type NVME_STATUS_MI, and extracted
 * from the return value using nvme_status_get_value().
 *
 * Returned string is const, and should not be free()ed.
 *
 * Returns: A string representing the status value
 */
const char *nvme_mi_status_to_string(int status);

/**
 * nvme_mi_create_root() - Create top-level MI (root) handle.
 * @fp:		File descriptor for logging messages
 * @log_level:	Logging level to use
 *
 * Create the top-level (library) handle for creating subsequent endpoint
 * objects. Similar to nvme_create_root(), but we provide this to allow linking
 * without the core libnvme.
 *
 * Return: new root object, or NULL on failure.
 *
 * See &nvme_create_root.
 */
nvme_root_t nvme_mi_create_root(FILE *fp, int log_level);

/**
 * nvme_mi_free_root() - Free root object.
 * @root: root to free
 */
void nvme_mi_free_root(nvme_root_t root);

/* Top level management object: NVMe-MI Management Endpoint */
struct nvme_mi_ep;

/**
 * typedef nvme_mi_ep_t - MI Endpoint object.
 *
 * Represents our communication endpoint on the remote MI-capable device.
 * To be used for direct MI commands for the endpoint (through the
 * nvme_mi_mi_* functions(), or to communicate with individual controllers
 * (see &nvme_mi_init_ctrl).
 *
 * Endpoints are created through a transport-specific constructor; currently
 * only MCTP-connected endpoints are supported, through &nvme_mi_open_mctp.
 * Subsequent operations on the endpoint (and related controllers) are
 * transport-independent.
 */
typedef struct nvme_mi_ep * nvme_mi_ep_t;

/**
 * nvme_mi_first_endpoint - Start endpoint iterator
 * @m: &nvme_root_t object
 *
 * Return: first MI endpoint object under this root, or NULL if no endpoints
 *         are present.
 *
 * See: &nvme_mi_next_endpoint, &nvme_mi_for_each_endpoint
 */
nvme_mi_ep_t nvme_mi_first_endpoint(nvme_root_t m);

/**
 * nvme_mi_next_endpoint - Continue endpoint iterator
 * @m: &nvme_root_t object
 * @e: &nvme_mi_ep_t current position of iterator
 *
 * Return: next endpoint MI endpoint object after @e under this root, or NULL
 *         if no further endpoints are present.
 *
 * See: &nvme_mi_first_endpoint, &nvme_mi_for_each_endpoint
 */
nvme_mi_ep_t nvme_mi_next_endpoint(nvme_root_t m, nvme_mi_ep_t e);

/**
 * nvme_mi_for_each_endpoint - Iterator for NVMe-MI endpoints.
 * @m: &nvme_root_t containing endpoints
 * @e: &nvme_mi_ep_t object, set on each iteration
 */
#define nvme_mi_for_each_endpoint(m, e)			\
	for (e = nvme_mi_first_endpoint(m); e != NULL;	\
	     e = nvme_mi_next_endpoint(m, e))

/**
 * nvme_mi_for_each_endpoint_safe - Iterator for NVMe-MI endpoints, allowing
 * deletion during traversal
 * @m: &nvme_root_t containing endpoints
 * @e: &nvme_mi_ep_t object, set on each iteration
 * @_e: &nvme_mi_ep_t object used as temporary storage
 */
#define nvme_mi_for_each_endpoint_safe(m, e, _e)			      \
	for (e = nvme_mi_first_endpoint(m), _e = nvme_mi_next_endpoint(m, e); \
	     e != NULL;							      \
	     e = _e, _e = nvme_mi_next_endpoint(m, e))

/**
 * nvme_mi_ep_set_timeout - set a timeout for NVMe-MI responses
 * @ep: MI endpoint object
 * @timeout_ms: Timeout for MI responses, given in milliseconds
 */
int nvme_mi_ep_set_timeout(nvme_mi_ep_t ep, unsigned int timeout_ms);

/**
 * nvme_mi_ep_set_mprt_max - set the maximum wait time for a More Processing
 * Required response
 * @ep: MI endpoint object
 * @mprt_max_ms: Maximum more processing required wait time
 *
 * NVMe-MI endpoints may respond to a request with a "More Processing Required"
 * response; this also includes a hint on the worst-case processing time for
 * the eventual response data, with a specification-defined maximum of 65.535
 * seconds.
 *
 * This function provides a way to limit the maximum time we're prepared to
 * wait for the final response. Specify zero in @mprt_max_ms for no limit.
 * This should be larger than the command/response timeout set in
 * &nvme_mi_ep_set_timeout().
 */
void nvme_mi_ep_set_mprt_max(nvme_mi_ep_t ep, unsigned int mprt_max_ms);

/**
 * nvme_mi_ep_get_timeout - get the current timeout value for NVMe-MI responses
 * @ep: MI endpoint object
 *
 * Returns the current timeout value, in milliseconds, for this endpoint.
 */
unsigned int nvme_mi_ep_get_timeout(nvme_mi_ep_t ep);

struct nvme_mi_ctrl;

/**
 * typedef nvme_mi_ctrl_t - NVMe-MI Controller object.
 *
 * Provides NVMe command functionality, through the MI interface.
 */
typedef struct nvme_mi_ctrl * nvme_mi_ctrl_t;

/**
 * nvme_mi_first_ctrl - Start controller iterator
 * @ep: &nvme_mi_ep_t object
 *
 * Return: first MI controller object under this root, or NULL if no controllers
 *         are present.
 *
 * See: &nvme_mi_next_ctrl, &nvme_mi_for_each_ctrl
 */
nvme_mi_ctrl_t nvme_mi_first_ctrl(nvme_mi_ep_t ep);

/**
 * nvme_mi_next_ctrl - Continue ctrl iterator
 * @ep: &nvme_mi_ep_t object
 * @c: &nvme_mi_ctrl_t current position of iterator
 *
 * Return: next MI controller object after @c under this endpoint, or NULL
 *         if no further controllers are present.
 *
 * See: &nvme_mi_first_ctrl, &nvme_mi_for_each_ctrl
 */
nvme_mi_ctrl_t nvme_mi_next_ctrl(nvme_mi_ep_t ep, nvme_mi_ctrl_t c);

/**
 * nvme_mi_for_each_ctrl - Iterator for NVMe-MI controllers.
 * @ep: &nvme_mi_ep_t containing endpoints
 * @c: &nvme_mi_ctrl_t object, set on each iteration
 *
 * Allows iteration of the list of controllers behind an endpoint. Unless the
 * controllers have already been created explicitly, you'll probably want to
 * call &nvme_mi_scan_ep() to scan for the controllers first.
 *
 * See: &nvme_mi_scan_ep()
 */
#define nvme_mi_for_each_ctrl(ep, c)			\
	for (c = nvme_mi_first_ctrl(ep); c != NULL;	\
	     c = nvme_mi_next_ctrl(ep, c))

/**
 * nvme_mi_for_each_ctrl_safe - Iterator for NVMe-MI controllers, allowing
 * deletion during traversal
 * @ep: &nvme_mi_ep_t containing controllers
 * @c: &nvme_mi_ctrl_t object, set on each iteration
 * @_c: &nvme_mi_ctrl_t object used as temporary storage
 *
 * Allows iteration of the list of controllers behind an endpoint, safe against
 * deletion during iteration. Unless the controllers have already been created
 * explicitly (or you're just iterating to destroy controllers) you'll probably
 * want to call &nvme_mi_scan_ep() to scan for the controllers first.
 *
 * See: &nvme_mi_scan_ep()
 */
#define nvme_mi_for_each_ctrl_safe(ep, c, _c)			      \
	for (c = nvme_mi_first_ctrl(ep), _c = nvme_mi_next_ctrl(ep, c);	      \
	     c != NULL;							      \
	     c = _c, _c = nvme_mi_next_ctrl(ep, c))

/**
 * nvme_mi_open_mctp() - Create an endpoint using a MCTP connection.
 * @root: root object to create under
 * @netid: MCTP network ID on this system
 * @eid: MCTP endpoint ID
 *
 * Transport-specific endpoint initialization for MI-connected endpoints. Once
 * an endpoint is created, the rest of the API is transport-independent.
 *
 * Return: New endpoint object for @netid & @eid, or NULL on failure.
 *
 * See &nvme_mi_close
 */
nvme_mi_ep_t nvme_mi_open_mctp(nvme_root_t root, unsigned int netid, uint8_t eid);

/**
 * nvme_mi_close() - Close an endpoint connection and release resources,
 * including controller objects.
 *
 * @ep: Endpoint object to close
 */
void nvme_mi_close(nvme_mi_ep_t ep);

/**
 * nvme_mi_scan_mctp - look for MCTP-connected NVMe-MI endpoints.
 *
 * Description: This function queries the system MCTP daemon ("mctpd") over
 * D-Bus, to find MCTP endpoints that report support for NVMe-MI over MCTP.
 *
 * This requires libvnme-mi to be compiled with D-Bus support; if not, this
 * will return NULL.
 *
 * Return: A @nvme_root_t populated with a set of MCTP-connected endpoints,
 *         or NULL on failure
 */
nvme_root_t nvme_mi_scan_mctp(void);

/**
 * nvme_mi_scan_ep - query an endpoint for its NVMe controllers.
 * @ep: Endpoint to scan
 * @force_rescan: close existing controllers and rescan
 *
 * This function queries an MI endpoint for the controllers available, by
 * performing an MI Read MI Data Structure command (requesting the
 * controller list). The controllers are stored in the endpoint's internal
 * list, and can be iterated with nvme_mi_for_each_ctrl.
 *
 * This will only scan the endpoint once, unless @force_rescan is set. If
 * so, all existing controller objects will be freed - the caller must not
 * hold a reference to those across this call.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &nvme_mi_for_each_ctrl
 */
int nvme_mi_scan_ep(nvme_mi_ep_t ep, bool force_rescan);

/**
 * nvme_mi_init_ctrl() - initialise a NVMe controller.
 * @ep: Endpoint to create under
 * @ctrl_id: ID of controller to initialize.
 *
 * Create a connection to a controller behind the endpoint specified in @ep.
 * Controller IDs may be queried from the endpoint through
 * &nvme_mi_mi_read_mi_data_ctrl_list.
 *
 * Return: New controller object, or NULL on failure.
 *
 * See &nvme_mi_close_ctrl
 */
nvme_mi_ctrl_t nvme_mi_init_ctrl(nvme_mi_ep_t ep, __u16 ctrl_id);

/**
 * nvme_mi_close_ctrl() - free a controller
 * @ctrl: controller to free
 */
void nvme_mi_close_ctrl(nvme_mi_ctrl_t ctrl);

/**
 * nvme_mi_endpoint_desc - Get a string describing a MI endpoint.
 * @ep: endpoint to describe
 *
 * Generates a human-readable string describing the endpoint, with possibly
 * transport-specific data. The string is allocated during the call, and the
 * caller is responsible for free()-ing the string.
 *
 * Return: a newly-allocated string containing the endpoint description, or
 *         NULL on failure.
 */
char *nvme_mi_endpoint_desc(nvme_mi_ep_t ep);

/* MI Command API: nvme_mi_mi_ prefix */

/**
 * nvme_mi_mi_read_mi_data_subsys() - Perform a Read MI Data Structure command,
 * retrieving subsystem data.
 * @ep: endpoint for MI communication
 * @s: subsystem information to populate
 *
 * Retrieves the Subsystem information - number of external ports and
 * NVMe version information. See &struct nvme_mi_read_nvm_ss_info.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_mi_read_mi_data_subsys(nvme_mi_ep_t ep,
				   struct nvme_mi_read_nvm_ss_info *s);

/**
 * nvme_mi_mi_read_mi_data_port() - Perform a Read MI Data Structure command,
 * retrieving port data.
 * @ep: endpoint for MI communication
 * @portid: id of port data to retrieve
 * @p: port information to populate
 *
 * Retrieves the Port information, for the specified port ID. The subsystem
 * data (from &nvme_mi_mi_read_mi_data_subsys) nmp field contains the allowed
 * range of port IDs.
 *
 * See &struct nvme_mi_read_port_info.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_mi_read_mi_data_port(nvme_mi_ep_t ep, __u8 portid,
				 struct nvme_mi_read_port_info *p);

/**
 * nvme_mi_mi_read_mi_data_ctrl_list() - Perform a Read MI Data Structure
 * command, retrieving the list of attached controllers.
 * @ep: endpoint for MI communication
 * @start_ctrlid: starting controller ID
 * @list: controller list to populate
 *
 * Retrieves the list of attached controllers, with IDs greater than or
 * equal to @start_ctrlid.
 *
 * See &struct nvme_ctrl_list.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_mi_read_mi_data_ctrl_list(nvme_mi_ep_t ep, __u8 start_ctrlid,
				      struct nvme_ctrl_list *list);

/**
 * nvme_mi_mi_read_mi_data_ctrl() - Perform a Read MI Data Structure command,
 * retrieving controller information
 * @ep: endpoint for MI communication
 * @ctrl_id: ID of controller to query
 * @ctrl: controller data to populate
 *
 * Retrieves the Controller Information Data Structure for the attached
 * controller with ID @ctrlid.
 *
 * See &struct nvme_mi_read_ctrl_info.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_mi_read_mi_data_ctrl(nvme_mi_ep_t ep, __u16 ctrl_id,
				 struct nvme_mi_read_ctrl_info *ctrl);

/**
 * nvme_mi_mi_subsystem_health_status_poll() - Read the Subsystem Health
 * Data Structure from the NVM subsystem
 * @ep: endpoint for MI communication
 * @clear: flag to clear the Composite Controller Status state
 * @nshds: subsystem health status data to populate
 *
 * Retrieves the Subsystem Health Data Structure into @nshds. If @clear is
 * set, requests that the Composite Controller Status bits are cleared after
 * the read. See NVMe-MI section 5.6 for details on the CCS bits.
 *
 * See &struct nvme_mi_nvm_ss_health_status.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_mi_subsystem_health_status_poll(nvme_mi_ep_t ep, bool clear,
					    struct nvme_mi_nvm_ss_health_status *nshds);

/**
 * nvme_mi_mi_config_get - query a configuration parameter
 * @ep: endpoint for MI communication
 * @dw0: management doubleword 0, containing configuration identifier, plus
 *       config-specific fields
 * @dw1: management doubleword 0, config-specific.
 * @nmresp: set to queried configuration data in NMRESP field of response.
 *
 * Performs a MI Configuration Get command, with the configuration identifier
 * as the LSB of @dw0. Other @dw0 and @dw1 data is configuration-identifier
 * specific.
 *
 * On a successful Configuration Get, the @nmresp pointer will be populated with
 * the bytes from the 3-byte NMRESP field, converted to native endian.
 *
 * See &enum nvme_mi_config_id for identifiers.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_mi_config_get(nvme_mi_ep_t ep, __u32 dw0, __u32 dw1,
			  __u32 *nmresp);

/**
 * nvme_mi_mi_config_set - set a configuration parameter
 * @ep: endpoint for MI communication
 * @dw0: management doubleword 0, containing configuration identifier, plus
 *       config-specific fields
 * @dw1: management doubleword 0, config-specific.
 *
 * Performs a MI Configuration Set command, with the command as the LSB of
 * @dw0. Other @dw0 and @dw1 data is configuration-identifier specific.
 *
 * See &enum nvme_mi_config_id for identifiers.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_mi_config_set(nvme_mi_ep_t ep, __u32 dw0, __u32 dw1);

/**
 * nvme_mi_mi_config_get_smbus_freq - get configuration: SMBus port frequency
 * @ep: endpoint for MI communication
 * @port: port ID to query
 * @freq: output value for current frequency configuration
 *
 * Performs a MI Configuration Get, to query the current SMBus frequency of
 * the port specified in @port. On success, populates @freq with the port
 * frequency
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
static inline int nvme_mi_mi_config_get_smbus_freq(nvme_mi_ep_t ep, __u8 port,
						   enum nvme_mi_config_smbus_freq *freq)
{
	__u32 tmp, dw0;
	int rc;

	dw0 = port << 24 | NVME_MI_CONFIG_SMBUS_FREQ;

	rc = nvme_mi_mi_config_get(ep, dw0, 0, &tmp);
	if (!rc)
		*freq = (enum nvme_mi_config_smbus_freq)(tmp & 0x3);
	return rc;
}

/**
 * nvme_mi_mi_config_set_smbus_freq - set configuration: SMBus port frequency
 * @ep: endpoint for MI communication
 * @port: port ID to set
 * @freq: new frequency configuration
 *
 * Performs a MI Configuration Set, to update the current SMBus frequency of
 * the port specified in @port.
 *
 * See &struct nvme_mi_read_port_info for the maximum supported SMBus frequency
 * for the port.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
static inline int nvme_mi_mi_config_set_smbus_freq(nvme_mi_ep_t ep, __u8 port,
						   enum nvme_mi_config_smbus_freq freq)
{
	__u32 dw0 = port << 24 |
		(freq & 0x3) << 8 |
		NVME_MI_CONFIG_SMBUS_FREQ;

	return nvme_mi_mi_config_set(ep, dw0, 0);
}

/**
 * nvme_mi_mi_config_set_health_status_change - clear CCS bits in health status
 * @ep: endpoint for MI communication
 * @mask: bitmask to clear
 *
 * Performs a MI Configuration Set, to update the current health status poll
 * values of the Composite Controller Status bits. Bits set in @mask will
 * be cleared from future health status poll data, and may be re-triggered by
 * a future health change event.
 *
 * See &nvme_mi_mi_subsystem_health_status_poll(), &enum nvme_mi_ccs for
 * values in @mask.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
static inline int nvme_mi_mi_config_set_health_status_change(nvme_mi_ep_t ep,
							     __u32 mask)
{
	return nvme_mi_mi_config_set(ep, NVME_MI_CONFIG_HEALTH_STATUS_CHANGE,
				     mask);
}

/**
 * nvme_mi_mi_config_get_mctp_mtu - get configuration: MCTP MTU
 * @ep: endpoint for MI communication
 * @port: port ID to query
 * @mtu: output value for current MCTP MTU configuration
 *
 * Performs a MI Configuration Get, to query the current MCTP Maximum
 * Transmission Unit size (MTU) of the port specified in @port. On success,
 * populates @mtu with the MTU.
 *
 * The default reset value is 64, corresponding to the MCTP baseline MTU.
 *
 * Some controllers may also use this as the maximum receive unit size, and
 * may not accept MCTP messages larger than the configured MTU.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
static inline int nvme_mi_mi_config_get_mctp_mtu(nvme_mi_ep_t ep, __u8 port,
						 __u16 *mtu)
{
	__u32 tmp, dw0;
	int rc;

	dw0 = port << 24 | NVME_MI_CONFIG_MCTP_MTU;

	rc = nvme_mi_mi_config_get(ep, dw0, 0, &tmp);
	if (!rc)
		*mtu = tmp & 0xffff;
	return rc;
}

/**
 * nvme_mi_mi_config_set_mctp_mtu - set configuration: MCTP MTU
 * @ep: endpoint for MI communication
 * @port: port ID to set
 * @mtu: new MTU configuration
 *
 * Performs a MI Configuration Set, to update the current MCTP MTU value for
 * the port specified in @port.
 *
 * Some controllers may also use this as the maximum receive unit size, and
 * may not accept MCTP messages larger than the configured MTU. When setting
 * this value, you will likely need to change the MTU of the local MCTP
 * interface(s) to match.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
static inline int nvme_mi_mi_config_set_mctp_mtu(nvme_mi_ep_t ep, __u8 port,
						 __u16 mtu)
{
	__u32 dw0 = port << 24 | NVME_MI_CONFIG_MCTP_MTU;

	return nvme_mi_mi_config_set(ep, dw0, mtu);
}

/* Admin channel functions */

/**
 * nvme_mi_admin_xfer() -  Raw admin transfer interface.
 * @ctrl: controller to send the admin command to
 * @admin_req: request data
 * @req_data_size: size of request data payload
 * @admin_resp: buffer for response data
 * @resp_data_offset: offset into request data to retrieve from controller
 * @resp_data_size: size of response data buffer, updated to received size
 *
 * Performs an arbitrary NVMe Admin command, using the provided request data,
 * in @admin_req. The size of the request data *payload* is specified in
 * @req_data_size - this does not include the standard header length (so a
 * header-only request would have a size of 0).
 *
 * On success, response data is stored in @admin_resp, which has an optional
 * appended payload buffer of @resp_data_size bytes. The actual payload
 * transferred will be stored in @resp_data_size. These sizes do not include
 * the Admin request header, so 0 represents no payload.
 *
 * As with all Admin commands, we can request partial data from the Admin
 * Response payload, offset by @resp_data_offset.
 *
 * See: &struct nvme_mi_admin_req_hdr and &struct nvme_mi_admin_resp_hdr.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise..
 */
int nvme_mi_admin_xfer(nvme_mi_ctrl_t ctrl,
		       struct nvme_mi_admin_req_hdr *admin_req,
		       size_t req_data_size,
		       struct nvme_mi_admin_resp_hdr *admin_resp,
		       off_t resp_data_offset,
		       size_t *resp_data_size);

/**
 * nvme_mi_admin_identify_partial() - Perform an Admin identify command,
 * and retrieve partial response data.
 * @ctrl: Controller to process identify command
 * @args: Identify command arguments
 * @offset: offset of identify data to retrieve from response
 * @size: size of identify data to return
 *
 * Perform an Identify command, using the Identify command parameters in @args.
 * The @offset and @size arguments allow the caller to retrieve part of
 * the identify response. See NVMe-MI section 6.2 for the semantics (and some
 * handy diagrams) of the offset & size parameters.
 *
 * Will return an error if the length of the response data (from the controller)
 * did not match @size.
 *
 * Unless you're performing a vendor-unique identify command, You'll probably
 * want to use one of the identify helpers (nvme_mi_admin_identify,
 * nvme_mi_admin_identify_cns_nsid, or nvme_mi_admin_identify_<type>) instead
 * of this. If the type of your identify command is standardized but not
 * yet supported by libnvme-mi, please contact the maintainers.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_identify_args
 */
int nvme_mi_admin_identify_partial(nvme_mi_ctrl_t ctrl,
				   struct nvme_identify_args *args,
				   off_t offset, size_t size);

/**
 * nvme_mi_admin_identify() - Perform an Admin identify command.
 * @ctrl: Controller to process identify command
 * @args: Identify command arguments
 *
 * Perform an Identify command, using the Identify command parameters in @args.
 * Stores the identify data in ->data, and (if set) the result from cdw0
 * into args->result.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_identify_args
 */
static inline int nvme_mi_admin_identify(nvme_mi_ctrl_t ctrl,
					 struct nvme_identify_args *args)
{
	return nvme_mi_admin_identify_partial(ctrl, args,
					      0, NVME_IDENTIFY_DATA_SIZE);
}

/**
 * nvme_mi_admin_identify_cns_nsid() - Perform an Admin identify command using
 * specific CNS/NSID parameters.
 * @ctrl: Controller to process identify command
 * @cns: Controller or Namespace Structure, specifying identified object
 * @nsid: namespace ID
 * @data: buffer for identify data response
 *
 * Perform an Identify command, using the CNS specifier @cns, and the
 * namespace ID @nsid if required by the CNS type.
 *
 * Stores the identify data in @data, which is expected to be a buffer of
 * &NVME_IDENTIFY_DATA_SIZE bytes.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_identify_cns_nsid(nvme_mi_ctrl_t ctrl,
						  enum nvme_identify_cns cns,
						  __u32 nsid, void *data)
{
	struct nvme_identify_args args = {
		.result = NULL,
		.data = data,
		.args_size = sizeof(args),
		.cns = cns,
		.csi = NVME_CSI_NVM,
		.nsid = nsid,
		.cntid = NVME_CNTLID_NONE,
		.cns_specific_id = NVME_CNSSPECID_NONE,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_identify(ctrl, &args);
}

/**
 * nvme_mi_admin_identify_ns() - Perform an Admin identify command for a
 * namespace
 * @ctrl: Controller to process identify command
 * @nsid: namespace ID
 * @ns: Namespace identification to populate
 *
 * Perform an Identify (namespace) command, setting the namespace id data
 * in @ns. The namespace is expected to active and allocated.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_identify_ns(nvme_mi_ctrl_t ctrl, __u32 nsid,
					    struct nvme_id_ns *ns)
{
	return nvme_mi_admin_identify_cns_nsid(ctrl, NVME_IDENTIFY_CNS_NS,
					       nsid, ns);
}

/**
 * nvme_mi_admin_identify_ns_descs() - Perform an Admin identify Namespace
 * Identification Descriptor list command for a namespace
 * @ctrl: Controller to process identify command
 * @nsid: Namespace ID
 * @descs: Namespace Identification Descriptor list to populate
 *
 * Perform an Identify namespace identification description list command,
 * setting the namespace identification description list in @descs
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_identify_ns_descs(nvme_mi_ctrl_t ctrl,
						  __u32 nsid,
						  struct nvme_ns_id_desc *descs)
{
	return nvme_mi_admin_identify_cns_nsid(ctrl, NVME_IDENTIFY_CNS_NS_DESC_LIST,
					       nsid, descs);
}

/**
 * nvme_mi_admin_identify_allocated_ns() - Perform an Admin identify command
 * for an allocated namespace
 * @ctrl: Controller to process identify command
 * @nsid: namespace ID
 * @ns: Namespace identification to populate
 *
 * Perform an Identify (namespace) command, setting the namespace id data
 * in @ns.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_identify_allocated_ns(nvme_mi_ctrl_t ctrl,
						      __u32 nsid,
						      struct nvme_id_ns *ns)
{
	return nvme_mi_admin_identify_cns_nsid(ctrl,
					       NVME_IDENTIFY_CNS_ALLOCATED_NS,
					       nsid, ns);
}

/**
 * nvme_mi_admin_identify_ctrl() - Perform an Admin identify for a controller
 * @ctrl: Controller to process identify command
 * @id: Controller identify data to populate
 *
 * Perform an Identify command, for the controller specified by @ctrl,
 * writing identify data to @id.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE, so @id will be
 * fully populated on success.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_id_ctrl
 */
static inline int nvme_mi_admin_identify_ctrl(nvme_mi_ctrl_t ctrl,
					      struct nvme_id_ctrl *id)
{
	return nvme_mi_admin_identify_cns_nsid(ctrl, NVME_IDENTIFY_CNS_CTRL,
					       NVME_NSID_NONE, id);
}

/**
 * nvme_mi_admin_identify_ctrl_list() - Perform an Admin identify for a
 * controller list.
 * @ctrl: Controller to process identify command
 * @cntid: Controller ID to specify list start
 * @list: List data to populate
 *
 * Perform an Identify command, for the controller list starting with
 * IDs greater than or equal to @cntid.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE, so @id will be
 * fully populated on success.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_ctrl_list
 */
static inline int nvme_mi_admin_identify_ctrl_list(nvme_mi_ctrl_t ctrl,
						   __u16 cntid,
						   struct nvme_ctrl_list *list)
{
	struct nvme_identify_args args = {
		.result = NULL,
		.data = list,
		.args_size = sizeof(args),
		.cns = NVME_IDENTIFY_CNS_CTRL_LIST,
		.csi = NVME_CSI_NVM,
		.nsid = NVME_NSID_NONE,
		.cntid = cntid,
		.cns_specific_id = NVME_CNSSPECID_NONE,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_identify(ctrl, &args);
}

/**
 * nvme_mi_admin_identify_nsid_ctrl_list() - Perform an Admin identify for a
 * controller list with specific namespace ID
 * @ctrl: Controller to process identify command
 * @nsid: Namespace identifier
 * @cntid: Controller ID to specify list start
 * @list: List data to populate
 *
 * Perform an Identify command, for the controller list for @nsid, starting
 * with IDs greater than or equal to @cntid.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE, so @id will be
 * fully populated on success.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_ctrl_list
 */
static inline int nvme_mi_admin_identify_nsid_ctrl_list(nvme_mi_ctrl_t ctrl,
							__u32 nsid, __u16 cntid,
							struct nvme_ctrl_list *list)
{
	struct nvme_identify_args args = {
		.result = NULL,
		.data = list,
		.args_size = sizeof(args),
		.cns = NVME_IDENTIFY_CNS_CTRL_LIST,
		.csi = NVME_CSI_NVM,
		.nsid = nsid,
		.cntid = cntid,
		.cns_specific_id = NVME_CNSSPECID_NONE,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_identify(ctrl, &args);
}

/**
 * nvme_mi_admin_identify_allocated_ns_list() - Perform an Admin identify for
 * an allocated namespace list
 * @ctrl: Controller to process identify command
 * @nsid: Namespace ID to specify list start
 * @list: List data to populate
 *
 * Perform an Identify command, for the allocated namespace list starting with
 * IDs greater than or equal to @nsid. Specify &NVME_NSID_NONE for the start
 * of the list.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE, so @list will be
 * be fully populated on success.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_ns_list
 */
static inline int nvme_mi_admin_identify_allocated_ns_list(nvme_mi_ctrl_t ctrl,
							   __u32 nsid,
							   struct nvme_ns_list *list)
{
	struct nvme_identify_args args = {
		.result = NULL,
		.data = list,
		.args_size = sizeof(args),
		.cns = NVME_IDENTIFY_CNS_ALLOCATED_NS_LIST,
		.csi = NVME_CSI_NVM,
		.nsid = nsid,
		.cns_specific_id = NVME_CNSSPECID_NONE,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_identify(ctrl, &args);
}

/**
 * nvme_mi_admin_identify_active_ns_list() - Perform an Admin identify for an
 * active namespace list
 * @ctrl: Controller to process identify command
 * @nsid: Namespace ID to specify list start
 * @list: List data to populate
 *
 * Perform an Identify command, for the active namespace list starting with
 * IDs greater than or equal to @nsid. Specify &NVME_NSID_NONE for the start
 * of the list.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE, so @list will be
 * be fully populated on success.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_ns_list
 */
static inline int nvme_mi_admin_identify_active_ns_list(nvme_mi_ctrl_t ctrl,
							__u32 nsid,
							struct nvme_ns_list *list)
{
	struct nvme_identify_args args = {
		.result = NULL,
		.data = list,
		.args_size = sizeof(args),
		.cns = NVME_IDENTIFY_CNS_NS_ACTIVE_LIST,
		.csi = NVME_CSI_NVM,
		.nsid = nsid,
		.cns_specific_id = NVME_CNSSPECID_NONE,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_identify(ctrl, &args);
}

/**
 * nvme_mi_admin_identify_primary_ctrl() - Perform an Admin identify for
 * primary controller capabilities data structure.
 * @ctrl: Controller to process identify command
 * @cntid: Controller ID to specify
 * @cap: Primary Controller Capabilities data structure to populate
 *
 * Perform an Identify command to get the Primary Controller Capabilities data
 * for the controller specified by @cntid
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE, so @cap will be
 * be fully populated on success.
 *
 * Return: 0 on success, non-zero on failure
 *
 * See: &struct nvme_primary_ctrl_cap
 */
static inline int nvme_mi_admin_identify_primary_ctrl(nvme_mi_ctrl_t ctrl,
						      __u16 cntid,
						      struct nvme_primary_ctrl_cap *cap)
{
	struct nvme_identify_args args = {
		.result = NULL,
		.data = cap,
		.args_size = sizeof(args),
		.cns = NVME_IDENTIFY_CNS_PRIMARY_CTRL_CAP,
		.csi = NVME_CSI_NVM,
		.nsid = NVME_NSID_NONE,
		.cntid = cntid,
		.cns_specific_id = NVME_CNSSPECID_NONE,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_identify(ctrl, &args);
}

/**
 * nvme_mi_admin_identify_secondary_ctrl_list() - Perform an Admin identify for
 * a secondary controller list.
 * @ctrl: Controller to process identify command
 * @nsid: Namespace ID to specify list start
 * @cntid: Controller ID to specify list start
 * @list: List data to populate
 *
 * Perform an Identify command, for the secondary controllers associated with
 * the current primary controller. Only entries with IDs greater than or
 * equal to @cntid are returned.
 *
 * Will return an error if the length of the response data (from the
 * controller) is not a full &NVME_IDENTIFY_DATA_SIZE, so @list will be
 * be fully populated on success.
 *
 * Return: 0 on success, non-zero on failure
 *
 * See: &struct nvme_secondary_ctrl_list
 */
static inline int nvme_mi_admin_identify_secondary_ctrl_list(nvme_mi_ctrl_t ctrl,
							     __u32 nsid,
							     __u16 cntid,
							     struct nvme_secondary_ctrl_list *list)
{
	struct nvme_identify_args args = {
		.result = NULL,
		.data = list,
		.args_size = sizeof(args),
		.cns = NVME_IDENTIFY_CNS_SECONDARY_CTRL_LIST,
		.csi = NVME_CSI_NVM,
		.nsid = nsid,
		.cntid = cntid,
		.cns_specific_id = NVME_CNSSPECID_NONE,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_identify(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log() - Retrieve log page data from controller
 * @ctrl: Controller to query
 * @args: Get Log Page command arguments
 *
 * Performs a Get Log Page Admin command as specified by @args. Response data
 * is stored in @args->data, which should be a buffer of @args->data_len bytes.
 * Resulting data length is stored in @args->data_len on successful
 * command completion.
 *
 * This request may be implemented as multiple log page commands, in order
 * to fit within MI message-size limits.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_get_log_args
 */
int nvme_mi_admin_get_log(nvme_mi_ctrl_t ctrl, struct nvme_get_log_args *args);

/**
 * nvme_mi_admin_get_nsid_log() - Helper for Get Log Page functions
 * @ctrl: Controller to query
 * @rae: Retain Asynchronous Events
 * @lid: Log identifier
 * @nsid: Namespace ID
 * @len: length of log buffer
 * @log: pointer for resulting log data
 *
 * Performs a Get Log Page Admin command for a specific log ID @lid and
 * namespace ID @nsid. Log data is expected to be @len bytes, and is stored
 * in @log on success. The @rae flag is passed as-is to the Get Log Page
 * command, and is specific to the Log Page requested.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_nsid_log(nvme_mi_ctrl_t ctrl, bool rae,
					     enum nvme_cmd_get_log_lid lid,
					     __u32 nsid, __u32 len, void *log)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = lid,
		.len = len,
		.nsid = nsid,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};

	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_simple() - Helper for Get Log Page functions with no
 * NSID or RAE requirements
 * @ctrl: Controller to query
 * @lid: Log identifier
 * @len: length of log buffer
 * @log: pointer for resulting log data
 *
 * Performs a Get Log Page Admin command for a specific log ID @lid, using
 * NVME_NSID_ALL for the namespace identifier, and rae set to false.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_simple(nvme_mi_ctrl_t ctrl,
					       enum nvme_cmd_get_log_lid lid,
					       __u32 len, void *log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, false, lid, NVME_NSID_ALL,
					  len, log);
}

/**
 * nvme_mi_admin_get_log_supported_log_pages() - Retrieve nmve supported log
 * pages
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @log: Array of LID supported and Effects data structures
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_supported_log_pages(nvme_mi_ctrl_t ctrl,
							    bool rae,
							    struct nvme_supported_log_pages *log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae,
					  NVME_LOG_LID_SUPPORTED_LOG_PAGES,
					  NVME_NSID_ALL, sizeof(*log), log);
}

/**
 * nvme_mi_admin_get_log_error() - Retrieve nvme error log
 * @ctrl: Controller to query
 * @nr_entries: Number of error log entries allocated
 * @rae: Retain asynchronous events
 * @err_log: Array of error logs of size 'entries'
 *
 * This log page describes extended error information for a command that
 * completed with error, or may report an error that is not specific to a
 * particular command.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_error(nvme_mi_ctrl_t ctrl,
					      unsigned int nr_entries, bool rae,
					      struct nvme_error_log_page *err_log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae, NVME_LOG_LID_ERROR,
				 NVME_NSID_ALL, sizeof(*err_log) * nr_entries,
				 err_log);
}

/**
 * nvme_mi_admin_get_log_smart() - Retrieve nvme smart log
 * @ctrl: Controller to query
 * @nsid: Optional namespace identifier
 * @rae: Retain asynchronous events
 * @smart_log: User address to store the smart log
 *
 * This log page provides SMART and general health information. The information
 * provided is over the life of the controller and is retained across power
 * cycles. To request the controller log page, the namespace identifier
 * specified is FFFFFFFFh. The controller may also support requesting the log
 * page on a per namespace basis, as indicated by bit 0 of the LPA field in the
 * Identify Controller data structure.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_smart(nvme_mi_ctrl_t ctrl, __u32 nsid,
					      bool rae,
					      struct nvme_smart_log *smart_log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae, NVME_LOG_LID_SMART,
				 nsid, sizeof(*smart_log), smart_log);
}

/**
 * nvme_mi_admin_get_log_fw_slot() - Retrieves the controller firmware log
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @fw_log: User address to store the log page
 *
 * This log page describes the firmware revision stored in each firmware slot
 * supported. The firmware revision is indicated as an ASCII string. The log
 * page also indicates the active slot number.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_fw_slot(nvme_mi_ctrl_t ctrl, bool rae,
			struct nvme_firmware_slot *fw_log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae, NVME_LOG_LID_FW_SLOT,
				 NVME_NSID_ALL, sizeof(*fw_log), fw_log);
}

/**
 * nvme_mi_admin_get_log_changed_ns_list() - Retrieve namespace changed list
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @ns_log: User address to store the log page
 *
 * This log page describes namespaces attached to this controller that have
 * changed since the last time the namespace was identified, been added, or
 * deleted.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_changed_ns_list(nvme_mi_ctrl_t ctrl,
							bool rae,
							struct nvme_ns_list *ns_log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae, NVME_LOG_LID_CHANGED_NS,
				 NVME_NSID_ALL, sizeof(*ns_log), ns_log);
}

/**
 * nvme_mi_admin_get_log_cmd_effects() - Retrieve nvme command effects log
 * @ctrl: Controller to query
 * @csi: Command Set Identifier
 * @effects_log: User address to store the effects log
 *
 * This log page describes the commands that the controller supports and the
 * effects of those commands on the state of the NVM subsystem.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_cmd_effects(nvme_mi_ctrl_t ctrl,
						    enum nvme_csi csi,
						    struct nvme_cmd_effects_log *effects_log)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = effects_log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_CMD_EFFECTS,
		.len = sizeof(*effects_log),
		.nsid = NVME_NSID_ALL,
		.csi = csi,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_device_self_test() - Retrieve the device self test log
 * @ctrl: Controller to query
 * @log: Userspace address of the log payload
 *
 * The log page indicates the status of an in progress self test and the
 * percent complete of that operation, and the results of the previous 20
 * self-test operations.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_device_self_test(nvme_mi_ctrl_t ctrl,
							 struct nvme_self_test_log *log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, false,
					  NVME_LOG_LID_DEVICE_SELF_TEST,
					  NVME_NSID_ALL, sizeof(*log), log);
}

/**
 * nvme_mi_admin_get_log_create_telemetry_host() - Create host telemetry log
 * @ctrl: Controller to query
 * @log: Userspace address of the log payload
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_create_telemetry_host(nvme_mi_ctrl_t ctrl,
							      struct nvme_telemetry_log *log)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_TELEMETRY_HOST,
		.len = sizeof(*log),
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_TELEM_HOST_LSP_CREATE,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_telemetry_host() - Get Telemetry Host-Initiated log
 * page
 * @ctrl: Controller to query
 * @offset: Offset into the telemetry data
 * @len: Length of provided user buffer to hold the log data in bytes
 * @log: User address for log page data
 *
 * Retrieves the Telemetry Host-Initiated log page at the requested offset
 * using the previously existing capture.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_telemetry_host(nvme_mi_ctrl_t ctrl,
						       __u64 offset, __u32 len,
						       void *log)
{
	struct nvme_get_log_args args = {
		.lpo = offset,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_TELEMETRY_HOST,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_TELEM_HOST_LSP_RETAIN,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_telemetry_ctrl() - Get Telemetry Controller-Initiated
 * log page
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @offset: Offset into the telemetry data
 * @len: Length of provided user buffer to hold the log data in bytes
 * @log: User address for log page data
 *
 * Retrieves the Telemetry Controller-Initiated log page at the requested offset
 * using the previously existing capture.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_telemetry_ctrl(nvme_mi_ctrl_t ctrl,
						       bool rae,
						       __u64 offset, __u32 len,
						       void *log)
{
	struct nvme_get_log_args args = {
		.lpo = offset,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_TELEMETRY_CTRL,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_endurance_group() - Get Endurance Group log
 * @ctrl: Controller to query
 * @endgid: Starting group identifier to return in the list
 * @log: User address to store the endurance log
 *
 * This log page indicates if an Endurance Group Event has occurred for a
 * particular Endurance Group. If an Endurance Group Event has occurred, the
 * details of the particular event are included in the Endurance Group
 * Information log page for that Endurance Group. An asynchronous event is
 * generated when an entry for an Endurance Group is newly added to this log
 * page.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_endurance_group(nvme_mi_ctrl_t ctrl,
							__u16 endgid,
							struct nvme_endurance_group_log *log)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_ENDURANCE_GROUP,
		.len = sizeof(*log),
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = endgid,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_predictable_lat_nvmset() - Predictable Latency Per NVM
 * Set
 * @ctrl: Controller to query
 * @nvmsetid: NVM set id
 * @log: User address to store the predictable latency log
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_predictable_lat_nvmset(nvme_mi_ctrl_t ctrl,
							       __u16 nvmsetid,
							       struct nvme_nvmset_predictable_lat_log *log)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_PREDICTABLE_LAT_NVMSET,
		.len = sizeof(*log),
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = nvmsetid,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_predictable_lat_event() - Retrieve Predictable Latency
 * Event Aggregate Log Page
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @offset: Offset into the predictable latency event
 * @len: Length of provided user buffer to hold the log data in bytes
 * @log: User address for log page data
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_predictable_lat_event(nvme_mi_ctrl_t ctrl,
							      bool rae,
							      __u32 offset,
							      __u32 len,
							      void *log)
{
	struct nvme_get_log_args args = {
		.lpo = offset,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_PREDICTABLE_LAT_AGG,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_ana() - Retrieve Asymmetric Namespace Access log page
 * @ctrl: Controller to query
 * @lsp: Log specific, see &enum nvme_get_log_ana_lsp
 * @rae: Retain asynchronous events
 * @offset: Offset to the start of the log page
 * @len: The allocated length of the log page
 * @log: User address to store the ana log
 *
 * This log consists of a header describing the log and descriptors containing
 * the asymmetric namespace access information for ANA Groups that contain
 * namespaces that are attached to the controller processing the command.
 *
 * See &struct nvme_ana_rsp_hdr for the definition of the returned structure.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_ana(nvme_mi_ctrl_t ctrl,
					    enum nvme_log_ana_lsp lsp, bool rae,
					    __u64 offset, __u32 len, void *log)
{
	struct nvme_get_log_args args = {
		.lpo = offset,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_ANA,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = (__u8)lsp,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_ana_groups() - Retrieve Asymmetric Namespace Access
 * groups only log page
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @len: The allocated length of the log page
 * @log: User address to store the ana group log
 *
 * See &struct nvme_ana_group_desc for the definition of the returned structure.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_ana_groups(nvme_mi_ctrl_t ctrl,
						   bool rae, __u32 len,
						   struct nvme_ana_group_desc *log)
{
	return nvme_mi_admin_get_log_ana(ctrl, NVME_LOG_ANA_LSP_RGO_GROUPS_ONLY, rae, 0,
				len, log);
}

/**
 * nvme_mi_admin_get_log_lba_status() - Retrieve LBA Status
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @offset: Offset to the start of the log page
 * @len: The allocated length of the log page
 * @log: User address to store the log page
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_lba_status(nvme_mi_ctrl_t ctrl, bool rae,
						   __u64 offset, __u32 len,
						   void *log)
{
	struct nvme_get_log_args args = {
		.lpo = offset,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_LBA_STATUS,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_endurance_grp_evt() - Retrieve Rotational Media
 * Information
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @offset: Offset to the start of the log page
 * @len: The allocated length of the log page
 * @log: User address to store the log page
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_endurance_grp_evt(nvme_mi_ctrl_t ctrl,
							  bool rae,
							  __u32 offset,
							  __u32 len,
							  void *log)
{
	struct nvme_get_log_args args = {
		.lpo = offset,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_ENDURANCE_GRP_EVT,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_fid_supported_effects() - Retrieve Feature Identifiers
 * Supported and Effects
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @log: FID Supported and Effects data structure
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_fid_supported_effects(nvme_mi_ctrl_t ctrl,
							      bool rae,
							      struct nvme_fid_supported_effects_log *log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae,
					  NVME_LOG_LID_FID_SUPPORTED_EFFECTS,
					  NVME_NSID_NONE, sizeof(*log), log);
}

/**
 * nvme_mi_admin_get_log_mi_cmd_supported_effects() - displays the MI Commands
 * Supported by the controller
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @log: MI Command Supported and Effects data structure
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_mi_cmd_supported_effects(nvme_mi_ctrl_t ctrl,
								 bool rae,
								 struct nvme_mi_cmd_supported_effects_log *log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae, NVME_LOG_LID_MI_CMD_SUPPORTED_EFFECTS,
				 NVME_NSID_NONE, sizeof(*log), log);
}

/**
 * nvme_mi_admin_get_log_boot_partition() - Retrieve Boot Partition
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @lsp: The log specified field of LID
 * @len: The allocated size, minimum
 *		struct nvme_boot_partition
 * @part: User address to store the log page
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_boot_partition(nvme_mi_ctrl_t ctrl,
						       bool rae, __u8 lsp,
						       __u32 len,
						       struct nvme_boot_partition *part)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = part,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_BOOT_PARTITION,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_discovery() - Retrieve Discovery log page
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @offset: Offset of this log to retrieve
 * @len: The allocated size for this portion of the log
 * @log: User address to store the discovery log
 *
 * Supported only by fabrics discovery controllers, returning discovery
 * records.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_discovery(nvme_mi_ctrl_t ctrl, bool rae,
						  __u32 offset, __u32 len,
						  void *log)
{
	struct nvme_get_log_args args = {
		.lpo = offset,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_DISCOVER,
		.len = len,
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_media_unit_stat() - Retrieve Media Unit Status
 * @ctrl: Controller to query
 * @domid: Domain Identifier selection, if supported
 * @mus: User address to store the Media Unit statistics log
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_media_unit_stat(nvme_mi_ctrl_t ctrl,
							__u16 domid,
							struct nvme_media_unit_stat_log *mus)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = mus,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_MEDIA_UNIT_STATUS,
		.len = sizeof(*mus),
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = domid,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_support_cap_config_list() - Retrieve Supported
 * Capacity Configuration List
 * @ctrl: Controller to query
 * @domid: Domain Identifier selection, if supported
 * @cap: User address to store supported capabilities config list
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_support_cap_config_list(nvme_mi_ctrl_t ctrl,
								__u16 domid,
								struct nvme_supported_cap_config_list_log *cap)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = cap,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_SUPPORTED_CAP_CONFIG_LIST,
		.len = sizeof(*cap),
		.nsid = NVME_NSID_NONE,
		.csi = NVME_CSI_NVM,
		.lsi = domid,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_reservation() - Retrieve Reservation Notification
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @log: User address to store the reservation log
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_reservation(nvme_mi_ctrl_t ctrl,
						    bool rae,
						    struct nvme_resv_notification_log *log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae, NVME_LOG_LID_RESERVATION,
					  NVME_NSID_ALL, sizeof(*log), log);
}

/**
 * nvme_mi_admin_get_log_sanitize() - Retrieve Sanitize Status
 * @ctrl: Controller to query
 * @rae: Retain asynchronous events
 * @log: User address to store the sanitize log
 *
 * The Sanitize Status log page reports sanitize operation time estimates and
 * information about the most recent sanitize operation.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_sanitize(nvme_mi_ctrl_t ctrl, bool rae,
			struct nvme_sanitize_log_page *log)
{
	return nvme_mi_admin_get_nsid_log(ctrl, rae, NVME_LOG_LID_SANITIZE,
					  NVME_NSID_ALL, sizeof(*log), log);
}

/**
 * nvme_mi_admin_get_log_zns_changed_zones() - Retrieve list of zones that have
 * changed
 * @ctrl: Controller to query
 * @nsid: Namespace ID
 * @rae: Retain asynchronous events
 * @log: User address to store the changed zone log
 *
 * The list of zones that have changed state due to an exceptional event.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_zns_changed_zones(nvme_mi_ctrl_t ctrl,
							  __u32 nsid, bool rae,
							  struct nvme_zns_changed_zone_log *log)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_ZNS_CHANGED_ZONES,
		.len = sizeof(*log),
		.nsid = nsid,
		.csi = NVME_CSI_ZNS,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_LSP_NONE,
		.uuidx = NVME_UUID_NONE,
		.rae = rae,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_get_log_persistent_event() - Retrieve Persistent Event Log
 * @ctrl: Controller to query
 * @action: Action the controller should take during processing this command
 * @size: Size of @pevent_log
 * @pevent_log: User address to store the persistent event log
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_log_persistent_event(nvme_mi_ctrl_t ctrl,
							 enum nvme_pevent_log_action action,
							 __u32 size, void *pevent_log)
{
	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = pevent_log,
		.args_size = sizeof(args),
		.lid = NVME_LOG_LID_PERSISTENT_EVENT,
		.len = size,
		.nsid = NVME_NSID_ALL,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = (__u8)action,
		.uuidx = NVME_UUID_NONE,
		.rae = false,
		.ot = false,
	};
	return nvme_mi_admin_get_log(ctrl, &args);
}

/**
 * nvme_mi_admin_security_send() - Perform a Security Send command on a
 * controller.
 * @ctrl: Controller to send command to
 * @args: Security Send command arguments
 *
 * Performs a Security Send Admin command as specified by @args. Response data
 * is stored in @args->data, which should be a buffer of @args->data_len bytes.
 * Resulting data length is stored in @args->data_len on successful
 * command completion.
 *
 * Security Send data length should not be greater than 4096 bytes to
 * comply with specification limits.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_get_log_args
 */
int nvme_mi_admin_security_send(nvme_mi_ctrl_t ctrl,
				struct nvme_security_send_args *args);

/**
 * nvme_mi_admin_security_recv() - Perform a Security Receive command on a
 * controller.
 * @ctrl: Controller to send command to
 * @args: Security Receive command arguments
 *
 * Performs a Security Receive Admin command as specified by @args. Response
 * data is stored in @args->data, which should be a buffer of @args->data_len
 * bytes. Resulting data length is stored in @args->data_len on successful
 * command completion.
 *
 * Security Receive data length should not be greater than 4096 bytes to
 * comply with specification limits.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 *
 * See: &struct nvme_get_log_args
 */
int nvme_mi_admin_security_recv(nvme_mi_ctrl_t ctrl,
				struct nvme_security_receive_args *args);

/**
 * nvme_mi_admin_get_features - Perform a Get Feature command on a controller
 * @ctrl: Controller to send command to
 * @args: Get Features command arguments
 *
 * Performs a Get Features Admin command as specified by @args. Returned
 * feature data will be stored in @args->result and @args->data, depending
 * on the specification of the feature itself; most features do not return
 * additional data. See section 5.27.1 of the NVMe spec (v2.0b) for
 * feature-specific information.
 *
 * On success, @args->data_len will be updated with the actual data length
 * received.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
int nvme_mi_admin_get_features(nvme_mi_ctrl_t ctrl,
			       struct nvme_get_features_args *args);

/**
 * nvme_mi_admin_get_features_data() - Helper function for &nvme_mi_admin_get_features()
 * @ctrl: Controller to send command to
 * @fid: Feature identifier
 * @nsid: Namespace ID, if applicable for @fid
 * @data_len: Length of feature data, if applicable for @fid, in bytes
 * @data: User address of feature data, if applicable
 * @result: The command completion result from CQE dword0
 *
 * Helper for optionally features that optionally return data, using the
 * SEL_CURRENT selector value.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_get_features_data(nvme_mi_ctrl_t ctrl,
						  enum nvme_features_id fid,
						  __u32 nsid, __u32 data_len,
						  void *data, __u32 *result)
{
	struct nvme_get_features_args args = {
		.result = result,
		.data = data,
		.args_size = sizeof(args),
		.nsid = nsid,
		.sel = NVME_GET_FEATURES_SEL_CURRENT,
		.cdw11 = 0,
		.data_len = data_len,
		.fid = (__u8)fid,
		.uuidx = NVME_UUID_NONE,
	};

	return nvme_mi_admin_get_features(ctrl, &args);
}

/**
 * nvme_mi_admin_get_features_simple - Get a simple feature value with no data
 * @ctrl: Controller to send command to
 * @fid: Feature identifier
 * @nsid: Namespace id, if required by @fid
 * @result: output feature data
 */
static inline int nvme_mi_admin_get_features_simple(nvme_mi_ctrl_t ctrl,
						    enum nvme_features_id fid,
						    __u32 nsid,
						    __u32 *result)
{
	return nvme_mi_admin_get_features_data(ctrl, fid, nsid,
					       0, NULL, result);
}

/**
 * nvme_mi_admin_set_features - Perform a Set Features command on a controller
 * @ctrl: Controller to send command to
 * @args: Set Features command arguments
 *
 * Performs a Set Features Admin command as specified by @args. Result
 * data will be stored in @args->result.
 * on the specification of the feature itself; most features do not return
 * additional data. See section 5.27.1 of the NVMe spec (v2.0b) for
 * feature-specific information.
 *
 * On success, @args->data_len will be updated with the actual data length
 * received.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
int nvme_mi_admin_set_features(nvme_mi_ctrl_t ctrl,
			       struct nvme_set_features_args *args);

/**
 * nvme_mi_admin_ns_mgmt - Issue a Namespace Management command
 * @ctrl: Controller to send command to
 * @args: Namespace management command arguments
 *
 * Issues a Namespace Management command to @ctrl, with arguments specified
 * from @args.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
int nvme_mi_admin_ns_mgmt(nvme_mi_ctrl_t ctrl,
			  struct nvme_ns_mgmt_args *args);

/**
 * nvme_mi_admin_ns_mgmt_create - Helper for Namespace Management Create command
 * @ctrl: Controller to send command to
 * @ns: New namespace parameters
 * @csi: Command Set Identifier for new NS
 * @nsid: Set to new namespace ID on create
 *
 * Issues a Namespace Management (Create) command to @ctrl, to create a
 * new namespace specified by @ns, using command set @csi. On success,
 * the new namespace ID will be written to @nsid.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_ns_mgmt_create(nvme_mi_ctrl_t ctrl,
					       struct nvme_id_ns *ns,
					       __u8 csi, __u32 *nsid)
{
	struct nvme_ns_mgmt_args args = {
		.result = nsid,
		.ns = ns,
		.args_size = sizeof(args),
		.nsid = NVME_NSID_NONE,
		.sel = NVME_NS_MGMT_SEL_CREATE,
		.csi = csi,
	};

	return nvme_mi_admin_ns_mgmt(ctrl, &args);
}

/**
 * nvme_mi_admin_ns_mgmt_delete - Helper for Namespace Management Delete command
 * @ctrl: Controller to send command to
 * @nsid: Namespace ID to delete
 *
 * Issues a Namespace Management (Delete) command to @ctrl, to delete the
 * namespace with id @nsid.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_ns_mgmt_delete(nvme_mi_ctrl_t ctrl, __u32 nsid)
{
	struct nvme_ns_mgmt_args args = {
		.args_size = sizeof(args),
		.nsid = nsid,
		.sel = NVME_NS_MGMT_SEL_DELETE,
	};

	return nvme_mi_admin_ns_mgmt(ctrl, &args);
}

/**
 * nvme_mi_admin_ns_attach() - Attach or detach namespace to controller(s)
 * @ctrl: Controller to send command to
 * @args: Namespace Attach command arguments
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
int nvme_mi_admin_ns_attach(nvme_mi_ctrl_t ctrl,
			    struct nvme_ns_attach_args *args);

/**
 * nvme_mi_admin_ns_attach_ctrls() - Attach namespace to controllers
 * @ctrl: Controller to send command to
 * @nsid: Namespace ID to attach
 * @ctrlist: Controller list to modify attachment state of nsid
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_ns_attach_ctrls(nvme_mi_ctrl_t ctrl, __u32 nsid,
						struct nvme_ctrl_list *ctrlist)
{
	struct nvme_ns_attach_args args = {
		.result = NULL,
		.ctrlist = ctrlist,
		.args_size = sizeof(args),
		.nsid = nsid,
		.sel = NVME_NS_ATTACH_SEL_CTRL_ATTACH,
	};

	return nvme_mi_admin_ns_attach(ctrl, &args);
}

/**
 * nvme_mi_admin_ns_detach_ctrls() - Detach namespace from controllers
 * @ctrl: Controller to send command to
 * @nsid: Namespace ID to detach
 * @ctrlist: Controller list to modify attachment state of nsid
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
static inline int nvme_mi_admin_ns_detach_ctrls(nvme_mi_ctrl_t ctrl, __u32 nsid,
						struct nvme_ctrl_list *ctrlist)
{
	struct nvme_ns_attach_args args = {
		.result = NULL,
		.ctrlist = ctrlist,
		.args_size = sizeof(args),
		.nsid = nsid,
		.sel = NVME_NS_ATTACH_SEL_CTRL_DEATTACH,
	};

	return nvme_mi_admin_ns_attach(ctrl, &args);
}

/**
 * nvme_mi_admin_fw_download() - Download part or all of a firmware image to
 * the controller
 * @ctrl: Controller to send firmware data to
 * @args: &struct nvme_fw_download_args argument structure
 *
 * The Firmware Image Download command downloads all or a portion of an image
 * for a future update to the controller. The Firmware Image Download command
 * downloads a new image (in whole or in part) to the controller.
 *
 * The image may be constructed of multiple pieces that are individually
 * downloaded with separate Firmware Image Download commands. Each Firmware
 * Image Download command includes a Dword Offset and Number of Dwords that
 * specify a dword range.
 *
 * The new firmware image is not activated as part of the Firmware Image
 * Download command. Use the nvme_mi_admin_fw_commit() to activate a newly
 * downloaded image.
 *
 * Return: 0 on success, non-zero on failure
 */
int nvme_mi_admin_fw_download(nvme_mi_ctrl_t ctrl,
			      struct nvme_fw_download_args *args);

/**
 * nvme_mi_admin_fw_commit() - Commit firmware using the specified action
 * @ctrl: Controller to send firmware data to
 * @args: &struct nvme_fw_download_args argument structure
 *
 * The Firmware Commit command modifies the firmware image or Boot Partitions.
 *
 * Return: 0 on success, non-zero on failure
 */
int nvme_mi_admin_fw_commit(nvme_mi_ctrl_t ctrl,
			    struct nvme_fw_commit_args *args);

/**
 * nvme_mi_admin_format_nvm() - Format NVMe namespace
 * @ctrl: Controller to send command to
 * @args: Format NVM command arguments
 *
 * Perform a low-level format to set the LBA data & metadata size. May destroy
 * data & metadata on the specified namespaces
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
int nvme_mi_admin_format_nvm(nvme_mi_ctrl_t ctrl,
			     struct nvme_format_nvm_args *args);

/**
 * nvme_mi_admin_sanitize_nvm() - Start a subsystem Sanitize operation
 * @ctrl: Controller to send command to
 * @args: Sanitize command arguments
 *
 * A sanitize operation alters all user data in the NVM subsystem such that
 * recovery of any previous user data from any cache, the non-volatile media,
 * or any Controller Memory Buffer is not possible.
 *
 * The Sanitize command starts a sanitize operation or to recover from a
 * previously failed sanitize operation. The sanitize operation types that may
 * be supported are Block Erase, Crypto Erase, and Overwrite. All sanitize
 * operations are processed in the background, i.e., completion of the sanitize
 * command does not indicate completion of the sanitize operation.
 *
 * Return: The nvme command status if a response was received (see
 * &enum nvme_status_field) or -1 with errno set otherwise.
 */
int nvme_mi_admin_sanitize_nvm(nvme_mi_ctrl_t ctrl,
			       struct nvme_sanitize_nvm_args *args);

#endif /* _LIBNVME_MI_MI_H */