aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/mlx4/device.h
blob: 74b765ce48ab45652a9bb1e820c3c489cd159622 (plain) (blame)
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
/*
 * Copyright (c) 2006, 2007 Cisco Systems, Inc.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *	- Redistributions of source code must retain the above
 *	  copyright notice, this list of conditions and the following
 *	  disclaimer.
 *
 *	- Redistributions in binary form must reproduce the above
 *	  copyright notice, this list of conditions and the following
 *	  disclaimer in the documentation and/or other materials
 *	  provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef MLX4_DEVICE_H
#define MLX4_DEVICE_H

#include <linux/if_ether.h>
#include <linux/pci.h>
#include <linux/completion.h>
#include <linux/radix-tree.h>
#include <linux/cpu_rmap.h>
#include <linux/crash_dump.h>

#include <linux/atomic.h>

#include <linux/timecounter.h>

#define DEFAULT_UAR_PAGE_SHIFT  12

#define MAX_MSIX_P_PORT		17
#define MAX_MSIX		64
#define MIN_MSIX_P_PORT		5
#define MLX4_IS_LEGACY_EQ_MODE(dev_cap) ((dev_cap).num_comp_vectors < \
					 (dev_cap).num_ports * MIN_MSIX_P_PORT)

#define MLX4_MAX_100M_UNITS_VAL		255	/*
						 * work around: can't set values
						 * greater then this value when
						 * using 100 Mbps units.
						 */
#define MLX4_RATELIMIT_100M_UNITS	3	/* 100 Mbps */
#define MLX4_RATELIMIT_1G_UNITS		4	/* 1 Gbps */
#define MLX4_RATELIMIT_DEFAULT		0x00ff

#define MLX4_ROCE_MAX_GIDS	128
#define MLX4_ROCE_PF_GIDS	16

enum {
	MLX4_FLAG_MSI_X		= 1 << 0,
	MLX4_FLAG_OLD_PORT_CMDS	= 1 << 1,
	MLX4_FLAG_MASTER	= 1 << 2,
	MLX4_FLAG_SLAVE		= 1 << 3,
	MLX4_FLAG_SRIOV		= 1 << 4,
	MLX4_FLAG_OLD_REG_MAC	= 1 << 6,
	MLX4_FLAG_BONDED	= 1 << 7,
	MLX4_FLAG_SECURE_HOST	= 1 << 8,
};

enum {
	MLX4_PORT_CAP_IS_SM	= 1 << 1,
	MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
};

enum {
	MLX4_MAX_PORTS		= 2,
	MLX4_MAX_PORT_PKEYS	= 128,
	MLX4_MAX_PORT_GIDS	= 128
};

/* base qkey for use in sriov tunnel-qp/proxy-qp communication.
 * These qkeys must not be allowed for general use. This is a 64k range,
 * and to test for violation, we use the mask (protect against future chg).
 */
#define MLX4_RESERVED_QKEY_BASE  (0xFFFF0000)
#define MLX4_RESERVED_QKEY_MASK  (0xFFFF0000)

enum {
	MLX4_BOARD_ID_LEN = 64
};

enum {
	MLX4_MAX_NUM_PF		= 16,
	MLX4_MAX_NUM_VF		= 126,
	MLX4_MAX_NUM_VF_P_PORT  = 64,
	MLX4_MFUNC_MAX		= 128,
	MLX4_MAX_EQ_NUM		= 1024,
	MLX4_MFUNC_EQ_NUM	= 4,
	MLX4_MFUNC_MAX_EQES     = 8,
	MLX4_MFUNC_EQE_MASK     = (MLX4_MFUNC_MAX_EQES - 1)
};

/* Driver supports 3 diffrent device methods to manage traffic steering:
 *	-device managed - High level API for ib and eth flow steering. FW is
 *			  managing flow steering tables.
 *	- B0 steering mode - Common low level API for ib and (if supported) eth.
 *	- A0 steering mode - Limited low level API for eth. In case of IB,
 *			     B0 mode is in use.
 */
enum {
	MLX4_STEERING_MODE_A0,
	MLX4_STEERING_MODE_B0,
	MLX4_STEERING_MODE_DEVICE_MANAGED
};

enum {
	MLX4_STEERING_DMFS_A0_DEFAULT,
	MLX4_STEERING_DMFS_A0_DYNAMIC,
	MLX4_STEERING_DMFS_A0_STATIC,
	MLX4_STEERING_DMFS_A0_DISABLE,
	MLX4_STEERING_DMFS_A0_NOT_SUPPORTED
};

static inline const char *mlx4_steering_mode_str(int steering_mode)
{
	switch (steering_mode) {
	case MLX4_STEERING_MODE_A0:
		return "A0 steering";

	case MLX4_STEERING_MODE_B0:
		return "B0 steering";

	case MLX4_STEERING_MODE_DEVICE_MANAGED:
		return "Device managed flow steering";

	default:
		return "Unrecognize steering mode";
	}
}

enum {
	MLX4_TUNNEL_OFFLOAD_MODE_NONE,
	MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
};

enum {
	MLX4_DEV_CAP_FLAG_RC		= 1LL <<  0,
	MLX4_DEV_CAP_FLAG_UC		= 1LL <<  1,
	MLX4_DEV_CAP_FLAG_UD		= 1LL <<  2,
	MLX4_DEV_CAP_FLAG_XRC		= 1LL <<  3,
	MLX4_DEV_CAP_FLAG_SRQ		= 1LL <<  6,
	MLX4_DEV_CAP_FLAG_IPOIB_CSUM	= 1LL <<  7,
	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR	= 1LL <<  8,
	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR	= 1LL <<  9,
	MLX4_DEV_CAP_FLAG_DPDP		= 1LL << 12,
	MLX4_DEV_CAP_FLAG_BLH		= 1LL << 15,
	MLX4_DEV_CAP_FLAG_MEM_WINDOW	= 1LL << 16,
	MLX4_DEV_CAP_FLAG_APM		= 1LL << 17,
	MLX4_DEV_CAP_FLAG_ATOMIC	= 1LL << 18,
	MLX4_DEV_CAP_FLAG_RAW_MCAST	= 1LL << 19,
	MLX4_DEV_CAP_FLAG_UD_AV_PORT	= 1LL << 20,
	MLX4_DEV_CAP_FLAG_UD_MCAST	= 1LL << 21,
	MLX4_DEV_CAP_FLAG_IBOE		= 1LL << 30,
	MLX4_DEV_CAP_FLAG_UC_LOOPBACK	= 1LL << 32,
	MLX4_DEV_CAP_FLAG_FCS_KEEP	= 1LL << 34,
	MLX4_DEV_CAP_FLAG_WOL_PORT1	= 1LL << 37,
	MLX4_DEV_CAP_FLAG_WOL_PORT2	= 1LL << 38,
	MLX4_DEV_CAP_FLAG_UDP_RSS	= 1LL << 40,
	MLX4_DEV_CAP_FLAG_VEP_UC_STEER	= 1LL << 41,
	MLX4_DEV_CAP_FLAG_VEP_MC_STEER	= 1LL << 42,
	MLX4_DEV_CAP_FLAG_COUNTERS	= 1LL << 48,
	MLX4_DEV_CAP_FLAG_RSS_IP_FRAG   = 1LL << 52,
	MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
	MLX4_DEV_CAP_FLAG_SENSE_SUPPORT	= 1LL << 55,
	MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
	MLX4_DEV_CAP_FLAG_64B_EQE	= 1LL << 61,
	MLX4_DEV_CAP_FLAG_64B_CQE	= 1LL << 62
};

enum {
	MLX4_DEV_CAP_FLAG2_RSS			= 1LL <<  0,
	MLX4_DEV_CAP_FLAG2_RSS_TOP		= 1LL <<  1,
	MLX4_DEV_CAP_FLAG2_RSS_XOR		= 1LL <<  2,
	MLX4_DEV_CAP_FLAG2_FS_EN		= 1LL <<  3,
	MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN	= 1LL <<  4,
	MLX4_DEV_CAP_FLAG2_TS			= 1LL <<  5,
	MLX4_DEV_CAP_FLAG2_VLAN_CONTROL		= 1LL <<  6,
	MLX4_DEV_CAP_FLAG2_FSM			= 1LL <<  7,
	MLX4_DEV_CAP_FLAG2_UPDATE_QP		= 1LL <<  8,
	MLX4_DEV_CAP_FLAG2_DMFS_IPOIB		= 1LL <<  9,
	MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS	= 1LL <<  10,
	MLX4_DEV_CAP_FLAG2_MAD_DEMUX		= 1LL <<  11,
	MLX4_DEV_CAP_FLAG2_CQE_STRIDE		= 1LL <<  12,
	MLX4_DEV_CAP_FLAG2_EQE_STRIDE		= 1LL <<  13,
	MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL        = 1LL <<  14,
	MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP	= 1LL <<  15,
	MLX4_DEV_CAP_FLAG2_CONFIG_DEV		= 1LL <<  16,
	MLX4_DEV_CAP_FLAG2_SYS_EQS		= 1LL <<  17,
	MLX4_DEV_CAP_FLAG2_80_VFS		= 1LL <<  18,
	MLX4_DEV_CAP_FLAG2_FS_A0		= 1LL <<  19,
	MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT = 1LL << 20,
	MLX4_DEV_CAP_FLAG2_PORT_REMAP		= 1LL <<  21,
	MLX4_DEV_CAP_FLAG2_QCN			= 1LL <<  22,
	MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT	= 1LL <<  23,
	MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN         = 1LL <<  24,
	MLX4_DEV_CAP_FLAG2_QOS_VPP		= 1LL <<  25,
	MLX4_DEV_CAP_FLAG2_ETS_CFG		= 1LL <<  26,
	MLX4_DEV_CAP_FLAG2_PORT_BEACON		= 1LL <<  27,
	MLX4_DEV_CAP_FLAG2_IGNORE_FCS		= 1LL <<  28,
	MLX4_DEV_CAP_FLAG2_PHV_EN		= 1LL <<  29,
	MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN	= 1LL <<  30,
	MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB = 1ULL << 31,
	MLX4_DEV_CAP_FLAG2_LB_SRC_CHK           = 1ULL << 32,
	MLX4_DEV_CAP_FLAG2_ROCE_V1_V2		= 1ULL <<  33,
	MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER   = 1ULL <<  34,
	MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT	= 1ULL <<  35,
	MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP          = 1ULL <<  36,
	MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT = 1ULL << 37,
};

enum {
	MLX4_QUERY_FUNC_FLAGS_BF_RES_QP		= 1LL << 0,
	MLX4_QUERY_FUNC_FLAGS_A0_RES_QP		= 1LL << 1
};

enum {
	MLX4_VF_CAP_FLAG_RESET			= 1 << 0
};

/* bit enums for an 8-bit flags field indicating special use
 * QPs which require special handling in qp_reserve_range.
 * Currently, this only includes QPs used by the ETH interface,
 * where we expect to use blueflame.  These QPs must not have
 * bits 6 and 7 set in their qp number.
 *
 * This enum may use only bits 0..7.
 */
enum {
	MLX4_RESERVE_A0_QP	= 1 << 6,
	MLX4_RESERVE_ETH_BF_QP	= 1 << 7,
};

enum {
	MLX4_DEV_CAP_64B_EQE_ENABLED	= 1LL << 0,
	MLX4_DEV_CAP_64B_CQE_ENABLED	= 1LL << 1,
	MLX4_DEV_CAP_CQE_STRIDE_ENABLED	= 1LL << 2,
	MLX4_DEV_CAP_EQE_STRIDE_ENABLED	= 1LL << 3
};

enum {
	MLX4_USER_DEV_CAP_LARGE_CQE	= 1L << 0
};

enum {
	MLX4_FUNC_CAP_64B_EQE_CQE	= 1L << 0,
	MLX4_FUNC_CAP_EQE_CQE_STRIDE	= 1L << 1,
	MLX4_FUNC_CAP_DMFS_A0_STATIC	= 1L << 2
};


#define MLX4_ATTR_EXTENDED_PORT_INFO	cpu_to_be16(0xff90)

enum {
	MLX4_BMME_FLAG_WIN_TYPE_2B	= 1 <<  1,
	MLX4_BMME_FLAG_LOCAL_INV	= 1 <<  6,
	MLX4_BMME_FLAG_REMOTE_INV	= 1 <<  7,
	MLX4_BMME_FLAG_TYPE_2_WIN	= 1 <<  9,
	MLX4_BMME_FLAG_RESERVED_LKEY	= 1 << 10,
	MLX4_BMME_FLAG_FAST_REG_WR	= 1 << 11,
	MLX4_BMME_FLAG_ROCE_V1_V2	= 1 << 19,
	MLX4_BMME_FLAG_PORT_REMAP	= 1 << 24,
	MLX4_BMME_FLAG_VSD_INIT2RTR	= 1 << 28,
};

enum {
	MLX4_FLAG_PORT_REMAP		= MLX4_BMME_FLAG_PORT_REMAP,
	MLX4_FLAG_ROCE_V1_V2		= MLX4_BMME_FLAG_ROCE_V1_V2
};

enum mlx4_event {
	MLX4_EVENT_TYPE_COMP		   = 0x00,
	MLX4_EVENT_TYPE_PATH_MIG	   = 0x01,
	MLX4_EVENT_TYPE_COMM_EST	   = 0x02,
	MLX4_EVENT_TYPE_SQ_DRAINED	   = 0x03,
	MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE	   = 0x13,
	MLX4_EVENT_TYPE_SRQ_LIMIT	   = 0x14,
	MLX4_EVENT_TYPE_CQ_ERROR	   = 0x04,
	MLX4_EVENT_TYPE_WQ_CATAS_ERROR	   = 0x05,
	MLX4_EVENT_TYPE_EEC_CATAS_ERROR	   = 0x06,
	MLX4_EVENT_TYPE_PATH_MIG_FAILED	   = 0x07,
	MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
	MLX4_EVENT_TYPE_WQ_ACCESS_ERROR	   = 0x11,
	MLX4_EVENT_TYPE_SRQ_CATAS_ERROR	   = 0x12,
	MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR  = 0x08,
	MLX4_EVENT_TYPE_PORT_CHANGE	   = 0x09,
	MLX4_EVENT_TYPE_EQ_OVERFLOW	   = 0x0f,
	MLX4_EVENT_TYPE_ECC_DETECT	   = 0x0e,
	MLX4_EVENT_TYPE_CMD		   = 0x0a,
	MLX4_EVENT_TYPE_VEP_UPDATE	   = 0x19,
	MLX4_EVENT_TYPE_COMM_CHANNEL	   = 0x18,
	MLX4_EVENT_TYPE_OP_REQUIRED	   = 0x1a,
	MLX4_EVENT_TYPE_FATAL_WARNING	   = 0x1b,
	MLX4_EVENT_TYPE_FLR_EVENT	   = 0x1c,
	MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
	MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT  = 0x3e,
	MLX4_EVENT_TYPE_NONE		   = 0xff,
};

enum {
	MLX4_PORT_CHANGE_SUBTYPE_DOWN	= 1,
	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE	= 4
};

enum {
	MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_BAD_CABLE		= 1,
	MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_UNSUPPORTED_CABLE	= 2,
};

enum {
	MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
};

enum slave_port_state {
	SLAVE_PORT_DOWN = 0,
	SLAVE_PENDING_UP,
	SLAVE_PORT_UP,
};

enum slave_port_gen_event {
	SLAVE_PORT_GEN_EVENT_DOWN = 0,
	SLAVE_PORT_GEN_EVENT_UP,
	SLAVE_PORT_GEN_EVENT_NONE,
};

enum slave_port_state_event {
	MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
	MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
	MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
	MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
};

enum {
	MLX4_PERM_LOCAL_READ	= 1 << 10,
	MLX4_PERM_LOCAL_WRITE	= 1 << 11,
	MLX4_PERM_REMOTE_READ	= 1 << 12,
	MLX4_PERM_REMOTE_WRITE	= 1 << 13,
	MLX4_PERM_ATOMIC	= 1 << 14,
	MLX4_PERM_BIND_MW	= 1 << 15,
	MLX4_PERM_MASK		= 0xFC00
};

enum {
	MLX4_OPCODE_NOP			= 0x00,
	MLX4_OPCODE_SEND_INVAL		= 0x01,
	MLX4_OPCODE_RDMA_WRITE		= 0x08,
	MLX4_OPCODE_RDMA_WRITE_IMM	= 0x09,
	MLX4_OPCODE_SEND		= 0x0a,
	MLX4_OPCODE_SEND_IMM		= 0x0b,
	MLX4_OPCODE_LSO			= 0x0e,
	MLX4_OPCODE_RDMA_READ		= 0x10,
	MLX4_OPCODE_ATOMIC_CS		= 0x11,
	MLX4_OPCODE_ATOMIC_FA		= 0x12,
	MLX4_OPCODE_MASKED_ATOMIC_CS	= 0x14,
	MLX4_OPCODE_MASKED_ATOMIC_FA	= 0x15,
	MLX4_OPCODE_BIND_MW		= 0x18,
	MLX4_OPCODE_FMR			= 0x19,
	MLX4_OPCODE_LOCAL_INVAL		= 0x1b,
	MLX4_OPCODE_CONFIG_CMD		= 0x1f,

	MLX4_RECV_OPCODE_RDMA_WRITE_IMM	= 0x00,
	MLX4_RECV_OPCODE_SEND		= 0x01,
	MLX4_RECV_OPCODE_SEND_IMM	= 0x02,
	MLX4_RECV_OPCODE_SEND_INVAL	= 0x03,

	MLX4_CQE_OPCODE_ERROR		= 0x1e,
	MLX4_CQE_OPCODE_RESIZE		= 0x16,
};

enum {
	MLX4_STAT_RATE_OFFSET	= 5
};

enum mlx4_protocol {
	MLX4_PROT_IB_IPV6 = 0,
	MLX4_PROT_ETH,
	MLX4_PROT_IB_IPV4,
	MLX4_PROT_FCOE
};

enum {
	MLX4_MTT_FLAG_PRESENT		= 1
};

enum mlx4_qp_region {
	MLX4_QP_REGION_FW = 0,
	MLX4_QP_REGION_RSS_RAW_ETH,
	MLX4_QP_REGION_BOTTOM = MLX4_QP_REGION_RSS_RAW_ETH,
	MLX4_QP_REGION_ETH_ADDR,
	MLX4_QP_REGION_FC_ADDR,
	MLX4_QP_REGION_FC_EXCH,
	MLX4_NUM_QP_REGION
};

enum mlx4_port_type {
	MLX4_PORT_TYPE_NONE	= 0,
	MLX4_PORT_TYPE_IB	= 1,
	MLX4_PORT_TYPE_ETH	= 2,
	MLX4_PORT_TYPE_AUTO	= 3
};

enum mlx4_special_vlan_idx {
	MLX4_NO_VLAN_IDX        = 0,
	MLX4_VLAN_MISS_IDX,
	MLX4_VLAN_REGULAR
};

enum mlx4_steer_type {
	MLX4_MC_STEER = 0,
	MLX4_UC_STEER,
	MLX4_NUM_STEERS
};

enum {
	MLX4_NUM_FEXCH          = 64 * 1024,
};

enum {
	MLX4_MAX_FAST_REG_PAGES = 511,
};

enum {
	/*
	 * Max wqe size for rdma read is 512 bytes, so this
	 * limits our max_sge_rd as the wqe needs to fit:
	 * - ctrl segment (16 bytes)
	 * - rdma segment (16 bytes)
	 * - scatter elements (16 bytes each)
	 */
	MLX4_MAX_SGE_RD	= (512 - 16 - 16) / 16
};

enum {
	MLX4_DEV_PMC_SUBTYPE_GUID_INFO	 = 0x14,
	MLX4_DEV_PMC_SUBTYPE_PORT_INFO	 = 0x15,
	MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE	 = 0x16,
	MLX4_DEV_PMC_SUBTYPE_SL_TO_VL_MAP = 0x17,
};

/* Port mgmt change event handling */
enum {
	MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK	= 1 << 0,
	MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK		= 1 << 1,
	MLX4_EQ_PORT_INFO_LID_CHANGE_MASK		= 1 << 2,
	MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK		= 1 << 3,
	MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK	= 1 << 4,
};

union sl2vl_tbl_to_u64 {
	u8	sl8[8];
	u64	sl64;
};

enum {
	MLX4_DEVICE_STATE_UP			= 1 << 0,
	MLX4_DEVICE_STATE_INTERNAL_ERROR	= 1 << 1,
};

enum {
	MLX4_INTERFACE_STATE_UP		= 1 << 0,
	MLX4_INTERFACE_STATE_DELETION	= 1 << 1,
	MLX4_INTERFACE_STATE_NOWAIT	= 1 << 2,
};

#define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
			     MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)

enum mlx4_module_id {
	MLX4_MODULE_ID_SFP              = 0x3,
	MLX4_MODULE_ID_QSFP             = 0xC,
	MLX4_MODULE_ID_QSFP_PLUS        = 0xD,
	MLX4_MODULE_ID_QSFP28           = 0x11,
};

enum { /* rl */
	MLX4_QP_RATE_LIMIT_NONE		= 0,
	MLX4_QP_RATE_LIMIT_KBS		= 1,
	MLX4_QP_RATE_LIMIT_MBS		= 2,
	MLX4_QP_RATE_LIMIT_GBS		= 3
};

struct mlx4_rate_limit_caps {
	u16	num_rates; /* Number of different rates */
	u8	min_unit;
	u16	min_val;
	u8	max_unit;
	u16	max_val;
};

static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
{
	return (major << 32) | (minor << 16) | subminor;
}

struct mlx4_phys_caps {
	u32			gid_phys_table_len[MLX4_MAX_PORTS + 1];
	u32			pkey_phys_table_len[MLX4_MAX_PORTS + 1];
	u32			num_phys_eqs;
	u32			base_sqpn;
	u32			base_proxy_sqpn;
	u32			base_tunnel_sqpn;
};

struct mlx4_caps {
	u64			fw_ver;
	u32			function;
	int			num_ports;
	int			vl_cap[MLX4_MAX_PORTS + 1];
	int			ib_mtu_cap[MLX4_MAX_PORTS + 1];
	__be32			ib_port_def_cap[MLX4_MAX_PORTS + 1];
	u64			def_mac[MLX4_MAX_PORTS + 1];
	int			eth_mtu_cap[MLX4_MAX_PORTS + 1];
	int			gid_table_len[MLX4_MAX_PORTS + 1];
	int			pkey_table_len[MLX4_MAX_PORTS + 1];
	int			trans_type[MLX4_MAX_PORTS + 1];
	int			vendor_oui[MLX4_MAX_PORTS + 1];
	int			wavelength[MLX4_MAX_PORTS + 1];
	u64			trans_code[MLX4_MAX_PORTS + 1];
	int			local_ca_ack_delay;
	int			num_uars;
	u32			uar_page_size;
	int			bf_reg_size;
	int			bf_regs_per_page;
	int			max_sq_sg;
	int			max_rq_sg;
	int			num_qps;
	int			max_wqes;
	int			max_sq_desc_sz;
	int			max_rq_desc_sz;
	int			max_qp_init_rdma;
	int			max_qp_dest_rdma;
	int			max_tc_eth;
	u32			*qp0_qkey;
	u32			*qp0_proxy;
	u32			*qp1_proxy;
	u32			*qp0_tunnel;
	u32			*qp1_tunnel;
	int			num_srqs;
	int			max_srq_wqes;
	int			max_srq_sge;
	int			reserved_srqs;
	int			num_cqs;
	int			max_cqes;
	int			reserved_cqs;
	int			num_sys_eqs;
	int			num_eqs;
	int			reserved_eqs;
	int			num_comp_vectors;
	int			num_mpts;
	int			max_fmr_maps;
	int			num_mtts;
	int			fmr_reserved_mtts;
	int			reserved_mtts;
	int			reserved_mrws;
	int			reserved_uars;
	int			num_mgms;
	int			num_amgms;
	int			reserved_mcgs;
	int			num_qp_per_mgm;
	int			steering_mode;
	int			dmfs_high_steer_mode;
	int			fs_log_max_ucast_qp_range_size;
	int			num_pds;
	int			reserved_pds;
	int			max_xrcds;
	int			reserved_xrcds;
	int			mtt_entry_sz;
	u32			max_msg_sz;
	u32			page_size_cap;
	u64			flags;
	u64			flags2;
	u32			bmme_flags;
	u32			reserved_lkey;
	u16			stat_rate_support;
	u8			port_width_cap[MLX4_MAX_PORTS + 1];
	int			max_gso_sz;
	int			max_rss_tbl_sz;
	int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
	int			reserved_qps;
	int                     reserved_qps_base[MLX4_NUM_QP_REGION];
	int                     log_num_macs;
	int                     log_num_vlans;
	enum mlx4_port_type	port_type[MLX4_MAX_PORTS + 1];
	u8			supported_type[MLX4_MAX_PORTS + 1];
	u8                      suggested_type[MLX4_MAX_PORTS + 1];
	u8                      default_sense[MLX4_MAX_PORTS + 1];
	u32			port_mask[MLX4_MAX_PORTS + 1];
	enum mlx4_port_type	possible_type[MLX4_MAX_PORTS + 1];
	u32			max_counters;
	u8			port_ib_mtu[MLX4_MAX_PORTS + 1];
	u16			sqp_demux;
	u32			eqe_size;
	u32			cqe_size;
	u8			eqe_factor;
	u32			userspace_caps; /* userspace must be aware of these */
	u32			function_caps;  /* VFs must be aware of these */
	u16			hca_core_clock;
	u64			phys_port_id[MLX4_MAX_PORTS + 1];
	int			tunnel_offload_mode;
	u8			rx_checksum_flags_port[MLX4_MAX_PORTS + 1];
	u8			phv_bit[MLX4_MAX_PORTS + 1];
	u8			alloc_res_qp_mask;
	u32			dmfs_high_rate_qpn_base;
	u32			dmfs_high_rate_qpn_range;
	u32			vf_caps;
	struct mlx4_rate_limit_caps rl_caps;
};

struct mlx4_buf_list {
	void		       *buf;
	dma_addr_t		map;
};

struct mlx4_buf {
	struct mlx4_buf_list	direct;
	struct mlx4_buf_list   *page_list;
	int			nbufs;
	int			npages;
	int			page_shift;
};

struct mlx4_mtt {
	u32			offset;
	int			order;
	int			page_shift;
};

enum {
	MLX4_DB_PER_PAGE = PAGE_SIZE / 4
};

struct mlx4_db_pgdir {
	struct list_head	list;
	DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
	DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
	unsigned long	       *bits[2];
	__be32		       *db_page;
	dma_addr_t		db_dma;
};

struct mlx4_ib_user_db_page;

struct mlx4_db {
	__be32			*db;
	union {
		struct mlx4_db_pgdir		*pgdir;
		struct mlx4_ib_user_db_page	*user_page;
	}			u;
	dma_addr_t		dma;
	int			index;
	int			order;
};

struct mlx4_hwq_resources {
	struct mlx4_db		db;
	struct mlx4_mtt		mtt;
	struct mlx4_buf		buf;
};

struct mlx4_mr {
	struct mlx4_mtt		mtt;
	u64			iova;
	u64			size;
	u32			key;
	u32			pd;
	u32			access;
	int			enabled;
};

enum mlx4_mw_type {
	MLX4_MW_TYPE_1 = 1,
	MLX4_MW_TYPE_2 = 2,
};

struct mlx4_mw {
	u32			key;
	u32			pd;
	enum mlx4_mw_type	type;
	int			enabled;
};

struct mlx4_fmr {
	struct mlx4_mr		mr;
	struct mlx4_mpt_entry  *mpt;
	__be64		       *mtts;
	dma_addr_t		dma_handle;
	int			max_pages;
	int			max_maps;
	int			maps;
	u8			page_shift;
};

struct mlx4_uar {
	unsigned long		pfn;
	int			index;
	struct list_head	bf_list;
	unsigned		free_bf_bmap;
	void __iomem	       *map;
	void __iomem	       *bf_map;
};

struct mlx4_bf {
	unsigned int		offset;
	int			buf_size;
	struct mlx4_uar	       *uar;
	void __iomem	       *reg;
};

struct mlx4_cq {
	void (*comp)		(struct mlx4_cq *);
	void (*event)		(struct mlx4_cq *, enum mlx4_event);

	struct mlx4_uar	       *uar;

	u32			cons_index;

	u16                     irq;
	__be32		       *set_ci_db;
	__be32		       *arm_db;
	int			arm_sn;

	int			cqn;
	unsigned		vector;

	atomic_t		refcount;
	struct completion	free;
	struct {
		struct list_head list;
		void (*comp)(struct mlx4_cq *);
		void		*priv;
	} tasklet_ctx;
	int		reset_notify_added;
	struct list_head	reset_notify;
};

struct mlx4_qp {
	void (*event)		(struct mlx4_qp *, enum mlx4_event);

	int			qpn;

	atomic_t		refcount;
	struct completion	free;
};

struct mlx4_srq {
	void (*event)		(struct mlx4_srq *, enum mlx4_event);

	int			srqn;
	int			max;
	int			max_gs;
	int			wqe_shift;

	atomic_t		refcount;
	struct completion	free;
};

struct mlx4_av {
	__be32			port_pd;
	u8			reserved1;
	u8			g_slid;
	__be16			dlid;
	u8			reserved2;
	u8			gid_index;
	u8			stat_rate;
	u8			hop_limit;
	__be32			sl_tclass_flowlabel;
	u8			dgid[16];
};

struct mlx4_eth_av {
	__be32		port_pd;
	u8		reserved1;
	u8		smac_idx;
	u16		reserved2;
	u8		reserved3;
	u8		gid_index;
	u8		stat_rate;
	u8		hop_limit;
	__be32		sl_tclass_flowlabel;
	u8		dgid[16];
	u8		s_mac[6];
	u8		reserved4[2];
	__be16		vlan;
	u8		mac[ETH_ALEN];
};

union mlx4_ext_av {
	struct mlx4_av		ib;
	struct mlx4_eth_av	eth;
};

/* Counters should be saturate once they reach their maximum value */
#define ASSIGN_32BIT_COUNTER(counter, value) do {	\
	if ((value) > U32_MAX)				\
		counter = cpu_to_be32(U32_MAX);		\
	else						\
		counter = cpu_to_be32(value);		\
} while (0)

struct mlx4_counter {
	u8	reserved1[3];
	u8	counter_mode;
	__be32	num_ifc;
	u32	reserved2[2];
	__be64	rx_frames;
	__be64	rx_bytes;
	__be64	tx_frames;
	__be64	tx_bytes;
};

struct mlx4_quotas {
	int qp;
	int cq;
	int srq;
	int mpt;
	int mtt;
	int counter;
	int xrcd;
};

struct mlx4_vf_dev {
	u8			min_port;
	u8			n_ports;
};

enum mlx4_pci_status {
	MLX4_PCI_STATUS_DISABLED,
	MLX4_PCI_STATUS_ENABLED,
};

struct mlx4_dev_persistent {
	struct pci_dev	       *pdev;
	struct mlx4_dev	       *dev;
	int                     nvfs[MLX4_MAX_PORTS + 1];
	int			num_vfs;
	enum mlx4_port_type curr_port_type[MLX4_MAX_PORTS + 1];
	enum mlx4_port_type curr_port_poss_type[MLX4_MAX_PORTS + 1];
	struct work_struct      catas_work;
	struct workqueue_struct *catas_wq;
	struct mutex	device_state_mutex; /* protect HW state */
	u8		state;
	struct mutex	interface_state_mutex; /* protect SW state */
	u8	interface_state;
	struct mutex		pci_status_mutex; /* sync pci state */
	enum mlx4_pci_status	pci_status;
};

struct mlx4_dev {
	struct mlx4_dev_persistent *persist;
	unsigned long		flags;
	unsigned long		num_slaves;
	struct mlx4_caps	caps;
	struct mlx4_phys_caps	phys_caps;
	struct mlx4_quotas	quotas;
	struct radix_tree_root	qp_table_tree;
	u8			rev_id;
	u8			port_random_macs;
	char			board_id[MLX4_BOARD_ID_LEN];
	int			numa_node;
	int			oper_log_mgm_entry_size;
	u64			regid_promisc_array[MLX4_MAX_PORTS + 1];
	u64			regid_allmulti_array[MLX4_MAX_PORTS + 1];
	struct mlx4_vf_dev     *dev_vfs;
	u8  uar_page_shift;
};

struct mlx4_clock_params {
	u64 offset;
	u8 bar;
	u8 size;
};

struct mlx4_eqe {
	u8			reserved1;
	u8			type;
	u8			reserved2;
	u8			subtype;
	union {
		u32		raw[6];
		struct {
			__be32	cqn;
		} __packed comp;
		struct {
			u16	reserved1;
			__be16	token;
			u32	reserved2;
			u8	reserved3[3];
			u8	status;
			__be64	out_param;
		} __packed cmd;
		struct {
			__be32	qpn;
		} __packed qp;
		struct {
			__be32	srqn;
		} __packed srq;
		struct {
			__be32	cqn;
			u32	reserved1;
			u8	reserved2[3];
			u8	syndrome;
		} __packed cq_err;
		struct {
			u32	reserved1[2];
			__be32	port;
		} __packed port_change;
		struct {
			#define COMM_CHANNEL_BIT_ARRAY_SIZE	4
			u32 reserved;
			u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
		} __packed comm_channel_arm;
		struct {
			u8	port;
			u8	reserved[3];
			__be64	mac;
		} __packed mac_update;
		struct {
			__be32	slave_id;
		} __packed flr_event;
		struct {
			__be16  current_temperature;
			__be16  warning_threshold;
		} __packed warming;
		struct {
			u8 reserved[3];
			u8 port;
			union {
				struct {
					__be16 mstr_sm_lid;
					__be16 port_lid;
					__be32 changed_attr;
					u8 reserved[3];
					u8 mstr_sm_sl;
					__be64 gid_prefix;
				} __packed port_info;
				struct {
					__be32 block_ptr;
					__be32 tbl_entries_mask;
				} __packed tbl_change_info;
				struct {
					u8 sl2vl_table[8];
				} __packed sl2vl_tbl_change_info;
			} params;
		} __packed port_mgmt_change;
		struct {
			u8 reserved[3];
			u8 port;
			u32 reserved1[5];
		} __packed bad_cable;
	}			event;
	u8			slave_id;
	u8			reserved3[2];
	u8			owner;
} __packed;

struct mlx4_init_port_param {
	int			set_guid0;
	int			set_node_guid;
	int			set_si_guid;
	u16			mtu;
	int			port_width_cap;
	u16			vl_cap;
	u16			max_gid;
	u16			max_pkey;
	u64			guid0;
	u64			node_guid;
	u64			si_guid;
};

#define MAD_IFC_DATA_SZ 192
/* MAD IFC Mailbox */
struct mlx4_mad_ifc {
	u8	base_version;
	u8	mgmt_class;
	u8	class_version;
	u8	method;
	__be16	status;
	__be16	class_specific;
	__be64	tid;
	__be16	attr_id;
	__be16	resv;
	__be32	attr_mod;
	__be64	mkey;
	__be16	dr_slid;
	__be16	dr_dlid;
	u8	reserved[28];
	u8	data[MAD_IFC_DATA_SZ];
} __packed;

#define mlx4_foreach_port(port, dev, type)				\
	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	\
		if ((type) == (dev)->caps.port_mask[(port)])

#define mlx4_foreach_ib_transport_port(port, dev)                         \
	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)       \
		if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
		    ((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_ETH))

#define MLX4_INVALID_SLAVE_ID	0xFF
#define MLX4_SINK_COUNTER_INDEX(dev)	(dev->caps.max_counters - 1)

void handle_port_mgmt_change_event(struct work_struct *work);

static inline int mlx4_master_func_num(struct mlx4_dev *dev)
{
	return dev->caps.function;
}

static inline int mlx4_is_master(struct mlx4_dev *dev)
{
	return dev->flags & MLX4_FLAG_MASTER;
}

static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
{
	return dev->phys_caps.base_sqpn + 8 +
		16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
}

static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
{
	return (qpn < dev->phys_caps.base_sqpn + 8 +
		16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev) &&
		qpn >= dev->phys_caps.base_sqpn) ||
	       (qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]);
}

static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
{
	int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;

	if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
		return 1;

	return 0;
}

static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
{
	return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
}

static inline int mlx4_is_slave(struct mlx4_dev *dev)
{
	return dev->flags & MLX4_FLAG_SLAVE;
}

static inline int mlx4_is_eth(struct mlx4_dev *dev, int port)
{
	return dev->caps.port_type[port] == MLX4_PORT_TYPE_IB ? 0 : 1;
}

int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
		   struct mlx4_buf *buf, gfp_t gfp);
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
	if (buf->nbufs == 1)
		return buf->direct.buf + offset;
	else
		return buf->page_list[offset >> PAGE_SHIFT].buf +
			(offset & (PAGE_SIZE - 1));
}

int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);

int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);

int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
		  struct mlx4_mtt *mtt);
void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);

int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
		  int npages, int page_shift, struct mlx4_mr *mr);
int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
		  struct mlx4_mw *mw);
void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
		   int start_index, int npages, u64 *page_list);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
		       struct mlx4_buf *buf, gfp_t gfp);

int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
		  gfp_t gfp);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);

int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
		       int size);
void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
		       int size);

int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
		  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
		  unsigned vector, int collapsed, int timestamp_en);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
			  int *base, u8 flags);
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);

int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
		  gfp_t gfp);
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);

int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
		   struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);

int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);

int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
			int block_mcast_loopback, enum mlx4_protocol prot);
int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
			enum mlx4_protocol prot);
int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
			  u8 port, int block_mcast_loopback,
			  enum mlx4_protocol protocol, u64 *reg_id);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
			  enum mlx4_protocol protocol, u64 reg_id);

enum {
	MLX4_DOMAIN_UVERBS	= 0x1000,
	MLX4_DOMAIN_ETHTOOL     = 0x2000,
	MLX4_DOMAIN_RFS         = 0x3000,
	MLX4_DOMAIN_NIC    = 0x5000,
};

enum mlx4_net_trans_rule_id {
	MLX4_NET_TRANS_RULE_ID_ETH = 0,
	MLX4_NET_TRANS_RULE_ID_IB,
	MLX4_NET_TRANS_RULE_ID_IPV6,
	MLX4_NET_TRANS_RULE_ID_IPV4,
	MLX4_NET_TRANS_RULE_ID_TCP,
	MLX4_NET_TRANS_RULE_ID_UDP,
	MLX4_NET_TRANS_RULE_ID_VXLAN,
	MLX4_NET_TRANS_RULE_NUM, /* should be last */
};

extern const u16 __sw_id_hw[];

static inline int map_hw_to_sw_id(u16 header_id)
{

	int i;
	for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
		if (header_id == __sw_id_hw[i])
			return i;
	}
	return -EINVAL;
}

enum mlx4_net_trans_promisc_mode {
	MLX4_FS_REGULAR = 1,
	MLX4_FS_ALL_DEFAULT,
	MLX4_FS_MC_DEFAULT,
	MLX4_FS_MIRROR_RX_PORT,
	MLX4_FS_MIRROR_SX_PORT,
	MLX4_FS_UC_SNIFFER,
	MLX4_FS_MC_SNIFFER,
	MLX4_FS_MODE_NUM, /* should be last */
};

struct mlx4_spec_eth {
	u8	dst_mac[ETH_ALEN];
	u8	dst_mac_msk[ETH_ALEN];
	u8	src_mac[ETH_ALEN];
	u8	src_mac_msk[ETH_ALEN];
	u8	ether_type_enable;
	__be16	ether_type;
	__be16	vlan_id_msk;
	__be16	vlan_id;
};

struct mlx4_spec_tcp_udp {
	__be16 dst_port;
	__be16 dst_port_msk;
	__be16 src_port;
	__be16 src_port_msk;
};

struct mlx4_spec_ipv4 {
	__be32 dst_ip;
	__be32 dst_ip_msk;
	__be32 src_ip;
	__be32 src_ip_msk;
};

struct mlx4_spec_ib {
	__be32  l3_qpn;
	__be32	qpn_msk;
	u8	dst_gid[16];
	u8	dst_gid_msk[16];
};

struct mlx4_spec_vxlan {
	__be32 vni;
	__be32 vni_mask;

};

struct mlx4_spec_list {
	struct	list_head list;
	enum	mlx4_net_trans_rule_id id;
	union {
		struct mlx4_spec_eth eth;
		struct mlx4_spec_ib ib;
		struct mlx4_spec_ipv4 ipv4;
		struct mlx4_spec_tcp_udp tcp_udp;
		struct mlx4_spec_vxlan vxlan;
	};
};

enum mlx4_net_trans_hw_rule_queue {
	MLX4_NET_TRANS_Q_FIFO,
	MLX4_NET_TRANS_Q_LIFO,
};

struct mlx4_net_trans_rule {
	struct	list_head list;
	enum	mlx4_net_trans_hw_rule_queue queue_mode;
	bool	exclusive;
	bool	allow_loopback;
	enum	mlx4_net_trans_promisc_mode promisc_mode;
	u8	port;
	u16	priority;
	u32	qpn;
};

struct mlx4_net_trans_rule_hw_ctrl {
	__be16 prio;
	u8 type;
	u8 flags;
	u8 rsvd1;
	u8 funcid;
	u8 vep;
	u8 port;
	__be32 qpn;
	__be32 rsvd2;
};

struct mlx4_net_trans_rule_hw_ib {
	u8 size;
	u8 rsvd1;
	__be16 id;
	u32 rsvd2;
	__be32 l3_qpn;
	__be32 qpn_mask;
	u8 dst_gid[16];
	u8 dst_gid_msk[16];
} __packed;

struct mlx4_net_trans_rule_hw_eth {
	u8	size;
	u8	rsvd;
	__be16	id;
	u8	rsvd1[6];
	u8	dst_mac[6];
	u16	rsvd2;
	u8	dst_mac_msk[6];
	u16	rsvd3;
	u8	src_mac[6];
	u16	rsvd4;
	u8	src_mac_msk[6];
	u8      rsvd5;
	u8      ether_type_enable;
	__be16  ether_type;
	__be16  vlan_tag_msk;
	__be16  vlan_tag;
} __packed;

struct mlx4_net_trans_rule_hw_tcp_udp {
	u8	size;
	u8	rsvd;
	__be16	id;
	__be16	rsvd1[3];
	__be16	dst_port;
	__be16	rsvd2;
	__be16	dst_port_msk;
	__be16	rsvd3;
	__be16	src_port;
	__be16	rsvd4;
	__be16	src_port_msk;
} __packed;

struct mlx4_net_trans_rule_hw_ipv4 {
	u8	size;
	u8	rsvd;
	__be16	id;
	__be32	rsvd1;
	__be32	dst_ip;
	__be32	dst_ip_msk;
	__be32	src_ip;
	__be32	src_ip_msk;
} __packed;

struct mlx4_net_trans_rule_hw_vxlan {
	u8	size;
	u8	rsvd;
	__be16	id;
	__be32	rsvd1;
	__be32	vni;
	__be32	vni_mask;
} __packed;

struct _rule_hw {
	union {
		struct {
			u8 size;
			u8 rsvd;
			__be16 id;
		};
		struct mlx4_net_trans_rule_hw_eth eth;
		struct mlx4_net_trans_rule_hw_ib ib;
		struct mlx4_net_trans_rule_hw_ipv4 ipv4;
		struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
		struct mlx4_net_trans_rule_hw_vxlan vxlan;
	};
};

enum {
	VXLAN_STEER_BY_OUTER_MAC	= 1 << 0,
	VXLAN_STEER_BY_OUTER_VLAN	= 1 << 1,
	VXLAN_STEER_BY_VSID_VNI		= 1 << 2,
	VXLAN_STEER_BY_INNER_MAC	= 1 << 3,
	VXLAN_STEER_BY_INNER_VLAN	= 1 << 4,
};

enum {
	MLX4_OP_MOD_QUERY_TRANSPORT_CI_ERRORS = 0x2,
};

int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
				enum mlx4_net_trans_promisc_mode mode);
int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
				   enum mlx4_net_trans_promisc_mode mode);
int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);

int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
			  u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
int mlx4_SET_PORT_user_mtu(struct mlx4_dev *dev, u8 port, u16 user_mtu);
int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
			   u8 promisc);
int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time);
int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port,
			    u8 ignore_fcs_value);
int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val);
int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv);
int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port,
				      bool *vlan_offload_disabled);
void mlx4_handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl,
				       struct _rule_hw *eth_header);
int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);

int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
		      int npages, u64 iova, u32 *lkey, u32 *rkey);
int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
		   int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
		    u32 *lkey, u32 *rkey);
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);
int mlx4_test_interrupt(struct mlx4_dev *dev, int vector);
int mlx4_test_async(struct mlx4_dev *dev);
int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier,
			     const u32 offset[], u32 value[],
			     size_t array_len, u8 port);
u32 mlx4_get_eqs_per_port(struct mlx4_dev *dev, u8 port);
bool mlx4_is_eq_vector_valid(struct mlx4_dev *dev, u8 port, int vector);
struct cpu_rmap *mlx4_get_cpu_rmap(struct mlx4_dev *dev, int port);
int mlx4_assign_eq(struct mlx4_dev *dev, u8 port, int *vector);
void mlx4_release_eq(struct mlx4_dev *dev, int vec);

int mlx4_is_eq_shared(struct mlx4_dev *dev, int vector);
int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);

int mlx4_get_phys_port_id(struct mlx4_dev *dev);
int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);

int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port);

void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry,
			 int port);
__be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port);
void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port);
int mlx4_flow_attach(struct mlx4_dev *dev,
		     struct mlx4_net_trans_rule *rule, u64 *reg_id);
int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
				    enum mlx4_net_trans_promisc_mode flow_type);
int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
				  enum mlx4_net_trans_rule_id id);
int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);

int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
			  int port, int qpn, u16 prio, u64 *reg_id);

void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
			  int i, int val);

int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);

int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);

void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
__be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);

int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
				 int *slave_id);
int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
				 u8 *gid);

int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
				      u32 max_range_qpn);

u64 mlx4_read_clock(struct mlx4_dev *dev);

struct mlx4_active_ports {
	DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
};
/* Returns a bitmap of the physical ports which are assigned to slave */
struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);

/* Returns the physical port that represents the virtual port of the slave, */
/* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
/* mapping is returned.							    */
int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);

struct mlx4_slaves_pport {
	DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
};
/* Returns a bitmap of all slaves that are assigned to port. */
struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
						   int port);

/* Returns a bitmap of all slaves that are assigned exactly to all the */
/* the ports that are set in crit_ports.			       */
struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
		struct mlx4_dev *dev,
		const struct mlx4_active_ports *crit_ports);

/* Returns the slave's virtual port that represents the physical port. */
int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);

int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);

int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis);
int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port);
int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2);
int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
				 int enable);
int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
		       struct mlx4_mpt_entry ***mpt_entry);
int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
			 struct mlx4_mpt_entry **mpt_entry);
int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
			 u32 pdn);
int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
			     struct mlx4_mpt_entry *mpt_entry,
			     u32 access);
void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
			struct mlx4_mpt_entry **mpt_entry);
void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
			    u64 iova, u64 size, int npages,
			    int page_shift, struct mlx4_mpt_entry *mpt_entry);

int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
			 u16 offset, u16 size, u8 *data);
int mlx4_max_tc(struct mlx4_dev *dev);

/* Returns true if running in low memory profile (kdump kernel) */
static inline bool mlx4_low_memory_profile(void)
{
	return is_kdump_kernel();
}

/* ACCESS REG commands */
enum mlx4_access_reg_method {
	MLX4_ACCESS_REG_QUERY = 0x1,
	MLX4_ACCESS_REG_WRITE = 0x2,
};

/* ACCESS PTYS Reg command */
enum mlx4_ptys_proto {
	MLX4_PTYS_IB = 1<<0,
	MLX4_PTYS_EN = 1<<2,
};

enum mlx4_ptys_flags {
	MLX4_PTYS_AN_DISABLE_CAP   = 1 << 5,
	MLX4_PTYS_AN_DISABLE_ADMIN = 1 << 6,
};

struct mlx4_ptys_reg {
	u8 flags;
	u8 local_port;
	u8 resrvd2;
	u8 proto_mask;
	__be32 resrvd3[2];
	__be32 eth_proto_cap;
	__be16 ib_width_cap;
	__be16 ib_speed_cap;
	__be32 resrvd4;
	__be32 eth_proto_admin;
	__be16 ib_width_admin;
	__be16 ib_speed_admin;
	__be32 resrvd5;
	__be32 eth_proto_oper;
	__be16 ib_width_oper;
	__be16 ib_speed_oper;
	__be32 resrvd6;
	__be32 eth_proto_lp_adv;
} __packed;

int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
			 enum mlx4_access_reg_method method,
			 struct mlx4_ptys_reg *ptys_reg);

int mlx4_get_internal_clock_params(struct mlx4_dev *dev,
				   struct mlx4_clock_params *params);

static inline int mlx4_to_hw_uar_index(struct mlx4_dev *dev, int index)
{
	return (index << (PAGE_SHIFT - dev->uar_page_shift));
}

static inline int mlx4_get_num_reserved_uar(struct mlx4_dev *dev)
{
	/* The first 128 UARs are used for EQ doorbells */
	return (128 >> (PAGE_SHIFT - dev->uar_page_shift));
}
#endif /* MLX4_DEVICE_H */