summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/lpfc/lpfc_init.c
blob: bede11e163499641716c664e56d9e8a32d7de849 (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
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
4805
4806
4807
4808
4809
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
4898
4899
4900
4901
4902
4903
4904
4905
4906
4907
4908
4909
4910
4911
4912
4913
4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
5005
5006
5007
5008
5009
5010
5011
5012
5013
5014
5015
5016
5017
5018
5019
5020
5021
5022
5023
5024
5025
5026
5027
5028
5029
5030
5031
5032
5033
5034
5035
5036
5037
5038
5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
5055
5056
5057
5058
5059
5060
5061
5062
5063
5064
5065
5066
5067
5068
5069
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
5086
5087
5088
5089
5090
5091
5092
5093
5094
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5111
5112
5113
5114
5115
5116
5117
5118
5119
5120
5121
5122
5123
5124
5125
5126
5127
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199
5200
5201
5202
5203
5204
5205
5206
5207
5208
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218
5219
5220
5221
5222
5223
5224
5225
5226
5227
5228
5229
5230
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250
5251
5252
5253
5254
5255
5256
5257
5258
5259
5260
5261
5262
5263
5264
5265
5266
5267
5268
5269
5270
5271
5272
5273
5274
5275
5276
5277
5278
5279
5280
5281
5282
5283
5284
5285
5286
5287
5288
5289
5290
5291
5292
5293
5294
5295
5296
5297
5298
5299
5300
5301
5302
5303
5304
5305
5306
5307
5308
5309
5310
5311
5312
5313
5314
5315
5316
5317
5318
5319
5320
5321
5322
5323
5324
5325
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
5341
5342
5343
5344
5345
5346
5347
5348
5349
5350
5351
5352
5353
5354
5355
5356
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
5373
5374
5375
5376
5377
5378
5379
5380
5381
5382
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
5394
5395
5396
5397
5398
5399
5400
5401
5402
5403
5404
5405
5406
5407
5408
5409
5410
5411
5412
5413
5414
5415
5416
5417
5418
5419
5420
5421
5422
5423
5424
5425
5426
5427
5428
5429
5430
5431
5432
5433
5434
5435
5436
5437
5438
5439
5440
5441
5442
5443
5444
5445
5446
5447
5448
5449
5450
5451
5452
5453
5454
5455
5456
5457
5458
5459
5460
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
5502
5503
5504
5505
5506
5507
5508
5509
5510
5511
5512
5513
5514
5515
5516
5517
5518
5519
5520
5521
5522
5523
5524
5525
5526
5527
5528
5529
5530
5531
5532
5533
5534
5535
5536
5537
5538
5539
5540
5541
5542
5543
5544
5545
5546
5547
5548
5549
5550
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576
5577
5578
5579
5580
5581
5582
5583
5584
5585
5586
5587
5588
5589
5590
5591
5592
5593
5594
5595
5596
5597
5598
5599
5600
5601
5602
5603
5604
5605
5606
5607
5608
5609
5610
5611
5612
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
5628
5629
5630
5631
5632
5633
5634
5635
5636
5637
5638
5639
5640
5641
5642
5643
5644
5645
5646
5647
5648
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
5660
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
5672
5673
5674
5675
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5687
5688
5689
5690
5691
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702
5703
5704
5705
5706
5707
5708
5709
5710
5711
5712
5713
5714
5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
5731
5732
5733
5734
5735
5736
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751
5752
5753
5754
5755
5756
5757
5758
5759
5760
5761
5762
5763
5764
5765
5766
5767
5768
5769
5770
5771
5772
5773
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785
5786
5787
5788
5789
5790
5791
5792
5793
5794
5795
5796
5797
5798
5799
5800
5801
5802
5803
5804
5805
5806
5807
5808
5809
5810
5811
5812
5813
5814
5815
5816
5817
5818
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
5885
5886
5887
5888
5889
5890
5891
5892
5893
5894
5895
5896
5897
5898
5899
5900
5901
5902
5903
5904
5905
5906
5907
5908
5909
5910
5911
5912
5913
5914
5915
5916
5917
5918
5919
5920
5921
5922
5923
5924
5925
5926
5927
5928
5929
5930
5931
5932
5933
5934
5935
5936
5937
5938
5939
5940
5941
5942
5943
5944
5945
5946
5947
5948
5949
5950
5951
5952
5953
5954
5955
5956
5957
5958
5959
5960
5961
5962
5963
5964
5965
5966
5967
5968
5969
5970
5971
5972
5973
5974
5975
5976
5977
5978
5979
5980
5981
5982
5983
5984
5985
5986
5987
5988
5989
5990
5991
5992
5993
5994
5995
5996
5997
5998
5999
6000
6001
6002
6003
6004
6005
6006
6007
6008
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018
6019
6020
6021
6022
6023
6024
6025
6026
6027
6028
6029
6030
6031
6032
6033
6034
6035
6036
6037
6038
6039
6040
6041
6042
6043
6044
6045
6046
6047
6048
6049
6050
6051
6052
6053
6054
6055
6056
6057
6058
6059
6060
6061
6062
6063
6064
6065
6066
6067
6068
6069
6070
6071
6072
6073
6074
6075
6076
6077
6078
6079
6080
6081
6082
6083
6084
6085
6086
6087
6088
6089
6090
6091
6092
6093
6094
6095
6096
6097
6098
6099
6100
6101
6102
6103
6104
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115
6116
6117
6118
6119
6120
6121
6122
6123
6124
6125
6126
6127
6128
6129
6130
6131
6132
6133
6134
6135
6136
6137
6138
6139
6140
6141
6142
6143
6144
6145
6146
6147
6148
6149
6150
6151
6152
6153
6154
6155
6156
6157
6158
6159
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6170
6171
6172
6173
6174
6175
6176
6177
6178
6179
6180
6181
6182
6183
6184
6185
6186
6187
6188
6189
6190
6191
6192
6193
6194
6195
6196
6197
6198
6199
6200
6201
6202
6203
6204
6205
6206
6207
6208
6209
6210
6211
6212
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233
6234
6235
6236
6237
6238
6239
6240
6241
6242
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254
6255
6256
6257
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
6271
6272
6273
6274
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
6290
6291
6292
6293
6294
6295
6296
6297
6298
6299
6300
6301
6302
6303
6304
6305
6306
6307
6308
6309
6310
6311
6312
6313
6314
6315
6316
6317
6318
6319
6320
6321
6322
6323
6324
6325
6326
6327
6328
6329
6330
6331
6332
6333
6334
6335
6336
6337
6338
6339
6340
6341
6342
6343
6344
6345
6346
6347
6348
6349
6350
6351
6352
6353
6354
6355
6356
6357
6358
6359
6360
6361
6362
6363
6364
6365
6366
6367
6368
6369
6370
6371
6372
6373
6374
6375
6376
6377
6378
6379
6380
6381
6382
6383
6384
6385
6386
6387
6388
6389
6390
6391
6392
6393
6394
6395
6396
6397
6398
6399
6400
6401
6402
6403
6404
6405
6406
6407
6408
6409
6410
6411
6412
6413
6414
6415
6416
6417
6418
6419
6420
6421
6422
6423
6424
6425
6426
6427
6428
6429
6430
6431
6432
6433
6434
6435
6436
6437
6438
6439
6440
6441
6442
6443
6444
6445
6446
6447
6448
6449
6450
6451
6452
6453
6454
6455
6456
6457
6458
6459
6460
6461
6462
6463
6464
6465
6466
6467
6468
6469
6470
6471
6472
6473
6474
6475
6476
6477
6478
6479
6480
6481
6482
6483
6484
6485
6486
6487
6488
6489
6490
6491
6492
6493
6494
6495
6496
6497
6498
6499
6500
6501
6502
6503
6504
6505
6506
6507
6508
6509
6510
6511
6512
6513
6514
6515
6516
6517
6518
6519
6520
6521
6522
6523
6524
6525
6526
6527
6528
6529
6530
6531
6532
6533
6534
6535
6536
6537
6538
6539
6540
6541
6542
6543
6544
6545
6546
6547
6548
6549
6550
6551
6552
6553
6554
6555
6556
6557
6558
6559
6560
6561
6562
6563
6564
6565
6566
6567
6568
6569
6570
6571
6572
6573
6574
6575
6576
6577
6578
6579
6580
6581
6582
6583
6584
6585
6586
6587
6588
6589
6590
6591
6592
6593
6594
6595
6596
6597
6598
6599
6600
6601
6602
6603
6604
6605
6606
6607
6608
6609
6610
6611
6612
6613
6614
6615
6616
6617
6618
6619
6620
6621
6622
6623
6624
6625
6626
6627
6628
6629
6630
6631
6632
6633
6634
6635
6636
6637
6638
6639
6640
6641
6642
6643
6644
6645
6646
6647
6648
6649
6650
6651
6652
6653
6654
6655
6656
6657
6658
6659
6660
6661
6662
6663
6664
6665
6666
6667
6668
6669
6670
6671
6672
6673
6674
6675
6676
6677
6678
6679
6680
6681
6682
6683
6684
6685
6686
6687
6688
6689
6690
6691
6692
6693
6694
6695
6696
6697
6698
6699
6700
6701
6702
6703
6704
6705
6706
6707
6708
6709
6710
6711
6712
6713
6714
6715
6716
6717
6718
6719
6720
6721
6722
6723
6724
6725
6726
6727
6728
6729
6730
6731
6732
6733
6734
6735
6736
6737
6738
6739
6740
6741
6742
6743
6744
6745
6746
6747
6748
6749
6750
6751
6752
6753
6754
6755
6756
6757
6758
6759
6760
6761
6762
6763
6764
6765
6766
6767
6768
6769
6770
6771
6772
6773
6774
6775
6776
6777
6778
6779
6780
6781
6782
6783
6784
6785
6786
6787
6788
6789
6790
6791
6792
6793
6794
6795
6796
6797
6798
6799
6800
6801
6802
6803
6804
6805
6806
6807
6808
6809
6810
6811
6812
6813
6814
6815
6816
6817
6818
6819
6820
6821
6822
6823
6824
6825
6826
6827
6828
6829
6830
6831
6832
6833
6834
6835
6836
6837
6838
6839
6840
6841
6842
6843
6844
6845
6846
6847
6848
6849
6850
6851
6852
6853
6854
6855
6856
6857
6858
6859
6860
6861
6862
6863
6864
6865
6866
6867
6868
6869
6870
6871
6872
6873
6874
6875
6876
6877
6878
6879
6880
6881
6882
6883
6884
6885
6886
6887
6888
6889
6890
6891
6892
6893
6894
6895
6896
6897
6898
6899
6900
6901
6902
6903
6904
6905
6906
6907
6908
6909
6910
6911
6912
6913
6914
6915
6916
6917
6918
6919
6920
6921
6922
6923
6924
6925
6926
6927
6928
6929
6930
6931
6932
6933
6934
6935
6936
6937
6938
6939
6940
6941
6942
6943
6944
6945
6946
6947
6948
6949
6950
6951
6952
6953
6954
6955
6956
6957
6958
6959
6960
6961
6962
6963
6964
6965
6966
6967
6968
6969
6970
6971
6972
6973
6974
6975
6976
6977
6978
6979
6980
6981
6982
6983
6984
6985
6986
6987
6988
6989
6990
6991
6992
6993
6994
6995
6996
6997
6998
6999
7000
7001
7002
7003
7004
7005
7006
7007
7008
7009
7010
7011
7012
7013
7014
7015
7016
7017
7018
7019
7020
7021
7022
7023
7024
7025
7026
7027
7028
7029
7030
7031
7032
7033
7034
7035
7036
7037
7038
7039
7040
7041
7042
7043
7044
7045
7046
7047
7048
7049
7050
7051
7052
7053
7054
7055
7056
7057
7058
7059
7060
7061
7062
7063
7064
7065
7066
7067
7068
7069
7070
7071
7072
7073
7074
7075
7076
7077
7078
7079
7080
7081
7082
7083
7084
7085
7086
7087
7088
7089
7090
7091
7092
7093
7094
7095
7096
7097
7098
7099
7100
7101
7102
7103
7104
7105
7106
7107
7108
7109
7110
7111
7112
7113
7114
7115
7116
7117
7118
7119
7120
7121
7122
7123
7124
7125
7126
7127
7128
7129
7130
7131
7132
7133
7134
7135
7136
7137
7138
7139
7140
7141
7142
7143
7144
7145
7146
7147
7148
7149
7150
7151
7152
7153
7154
7155
7156
7157
7158
7159
7160
7161
7162
7163
7164
7165
7166
7167
7168
7169
7170
7171
7172
7173
7174
7175
7176
7177
7178
7179
7180
7181
7182
7183
7184
7185
7186
7187
7188
7189
7190
7191
7192
7193
7194
7195
7196
7197
7198
7199
7200
7201
7202
7203
7204
7205
7206
7207
7208
7209
7210
7211
7212
7213
7214
7215
7216
7217
7218
7219
7220
7221
7222
7223
7224
7225
7226
7227
7228
7229
7230
7231
7232
7233
7234
7235
7236
7237
7238
7239
7240
7241
7242
7243
7244
7245
7246
7247
7248
7249
7250
7251
7252
7253
7254
7255
7256
7257
7258
7259
7260
7261
7262
7263
7264
7265
7266
7267
7268
7269
7270
7271
7272
7273
7274
7275
7276
7277
7278
7279
7280
7281
7282
7283
7284
7285
7286
7287
7288
7289
7290
7291
7292
7293
7294
7295
7296
7297
7298
7299
7300
7301
7302
7303
7304
7305
7306
7307
7308
7309
7310
7311
7312
7313
7314
7315
7316
7317
7318
7319
7320
7321
7322
7323
7324
7325
7326
7327
7328
7329
7330
7331
7332
7333
7334
7335
7336
7337
7338
7339
7340
7341
7342
7343
7344
7345
7346
7347
7348
7349
7350
7351
7352
7353
7354
7355
7356
7357
7358
7359
7360
7361
7362
7363
7364
7365
7366
7367
7368
7369
7370
7371
7372
7373
7374
7375
7376
7377
7378
7379
7380
7381
7382
7383
7384
7385
7386
7387
7388
7389
7390
7391
7392
7393
7394
7395
7396
7397
7398
7399
7400
7401
7402
7403
7404
7405
7406
7407
7408
7409
7410
7411
7412
7413
7414
7415
7416
7417
7418
7419
7420
7421
7422
7423
7424
7425
7426
7427
7428
7429
7430
7431
7432
7433
7434
7435
7436
7437
7438
7439
7440
7441
7442
7443
7444
7445
7446
7447
7448
7449
7450
7451
7452
7453
7454
7455
7456
7457
7458
7459
7460
7461
7462
7463
7464
7465
7466
7467
7468
7469
7470
7471
7472
7473
7474
7475
7476
7477
7478
7479
7480
7481
7482
7483
7484
7485
7486
7487
7488
7489
7490
7491
7492
7493
7494
7495
7496
7497
7498
7499
7500
7501
7502
7503
7504
7505
7506
7507
7508
7509
7510
7511
7512
7513
7514
7515
7516
7517
7518
7519
7520
7521
7522
7523
7524
7525
7526
7527
7528
7529
7530
7531
7532
7533
7534
7535
7536
7537
7538
7539
7540
7541
7542
7543
7544
7545
7546
7547
7548
7549
7550
7551
7552
7553
7554
7555
7556
7557
7558
7559
7560
7561
7562
7563
7564
7565
7566
7567
7568
7569
7570
7571
7572
7573
7574
7575
7576
7577
7578
7579
7580
7581
7582
7583
7584
7585
7586
7587
7588
7589
7590
7591
7592
7593
7594
7595
7596
7597
7598
7599
7600
7601
7602
7603
7604
7605
7606
7607
7608
7609
7610
7611
7612
7613
7614
7615
7616
7617
7618
7619
7620
7621
7622
7623
7624
7625
7626
7627
7628
7629
7630
7631
7632
7633
7634
7635
7636
7637
7638
7639
7640
7641
7642
7643
7644
7645
7646
7647
7648
7649
7650
7651
7652
7653
7654
7655
7656
7657
7658
7659
7660
7661
7662
7663
7664
7665
7666
7667
7668
7669
7670
7671
7672
7673
7674
7675
7676
7677
7678
7679
7680
7681
7682
7683
7684
7685
7686
7687
7688
7689
7690
7691
7692
7693
7694
7695
7696
7697
7698
7699
7700
7701
7702
7703
7704
7705
7706
7707
7708
7709
7710
7711
7712
7713
7714
7715
7716
7717
7718
7719
7720
7721
7722
7723
7724
7725
7726
7727
7728
7729
7730
7731
7732
7733
7734
7735
7736
7737
7738
7739
7740
7741
7742
7743
7744
7745
7746
7747
7748
7749
7750
7751
7752
7753
7754
7755
7756
7757
7758
7759
7760
7761
7762
7763
7764
7765
7766
7767
7768
7769
7770
7771
7772
7773
7774
7775
7776
7777
7778
7779
7780
7781
7782
7783
7784
7785
7786
7787
7788
7789
7790
7791
7792
7793
7794
7795
7796
7797
7798
7799
7800
7801
7802
7803
7804
7805
7806
7807
7808
7809
7810
7811
7812
7813
7814
7815
7816
7817
7818
7819
7820
7821
7822
7823
7824
7825
7826
7827
7828
7829
7830
7831
7832
7833
7834
7835
7836
7837
7838
7839
7840
7841
7842
7843
7844
7845
7846
7847
7848
7849
7850
7851
7852
7853
7854
7855
7856
7857
7858
7859
7860
7861
7862
7863
7864
7865
7866
7867
7868
7869
7870
7871
7872
7873
7874
7875
7876
7877
7878
7879
7880
7881
7882
7883
7884
7885
7886
7887
7888
7889
7890
7891
7892
7893
7894
7895
7896
7897
7898
7899
7900
7901
7902
7903
7904
7905
7906
7907
7908
7909
7910
7911
7912
7913
7914
7915
7916
7917
7918
7919
7920
7921
7922
7923
7924
7925
7926
7927
7928
7929
7930
7931
7932
7933
7934
7935
7936
7937
7938
7939
7940
7941
7942
7943
7944
7945
7946
7947
7948
7949
7950
7951
7952
7953
7954
7955
7956
7957
7958
7959
7960
7961
7962
7963
7964
7965
7966
7967
7968
7969
7970
7971
7972
7973
7974
7975
7976
7977
7978
7979
7980
7981
7982
7983
7984
7985
7986
7987
7988
7989
7990
7991
7992
7993
7994
7995
7996
7997
7998
7999
8000
8001
8002
8003
8004
8005
8006
8007
8008
8009
8010
8011
8012
8013
8014
8015
8016
8017
8018
8019
8020
8021
8022
8023
8024
8025
8026
8027
8028
8029
8030
8031
8032
8033
8034
8035
8036
8037
8038
8039
8040
8041
8042
8043
8044
8045
8046
8047
8048
8049
8050
8051
8052
8053
8054
8055
8056
8057
8058
8059
8060
8061
8062
8063
8064
8065
8066
8067
8068
8069
8070
8071
8072
8073
8074
8075
8076
8077
8078
8079
8080
8081
8082
8083
8084
8085
8086
8087
8088
8089
8090
8091
8092
8093
8094
8095
8096
8097
8098
8099
8100
8101
8102
8103
8104
8105
8106
8107
8108
8109
8110
8111
8112
8113
8114
8115
8116
8117
8118
8119
8120
8121
8122
8123
8124
8125
8126
8127
8128
8129
8130
8131
8132
8133
8134
8135
8136
8137
8138
8139
8140
8141
8142
8143
8144
8145
8146
8147
8148
8149
8150
8151
8152
8153
8154
8155
8156
8157
8158
8159
8160
8161
8162
8163
8164
8165
8166
8167
8168
8169
8170
8171
8172
8173
8174
8175
8176
8177
8178
8179
8180
8181
8182
8183
8184
8185
8186
8187
8188
8189
8190
8191
8192
8193
8194
8195
8196
8197
8198
8199
8200
8201
8202
8203
8204
8205
8206
8207
8208
8209
8210
8211
8212
8213
8214
8215
8216
8217
8218
8219
8220
8221
8222
8223
8224
8225
8226
8227
8228
8229
8230
8231
8232
8233
8234
8235
8236
8237
8238
8239
8240
8241
8242
8243
8244
8245
8246
8247
8248
8249
8250
8251
8252
8253
8254
8255
8256
8257
8258
8259
8260
8261
8262
8263
8264
8265
8266
8267
8268
8269
8270
8271
8272
8273
8274
8275
8276
8277
8278
8279
8280
8281
8282
8283
8284
8285
8286
8287
8288
8289
8290
8291
8292
8293
8294
8295
8296
8297
8298
8299
8300
8301
8302
8303
8304
8305
8306
8307
8308
8309
8310
8311
8312
8313
8314
8315
8316
8317
8318
8319
8320
8321
8322
8323
8324
8325
8326
8327
8328
8329
8330
8331
8332
8333
8334
8335
8336
8337
8338
8339
8340
8341
8342
8343
8344
8345
8346
8347
8348
8349
8350
8351
8352
8353
8354
8355
8356
8357
8358
8359
8360
8361
8362
8363
8364
8365
8366
8367
8368
8369
8370
8371
8372
8373
8374
8375
8376
8377
8378
8379
8380
8381
8382
8383
8384
8385
8386
8387
8388
8389
8390
8391
8392
8393
8394
8395
8396
8397
8398
8399
8400
8401
8402
8403
8404
8405
8406
8407
8408
8409
8410
8411
8412
8413
8414
8415
8416
8417
8418
8419
8420
8421
8422
8423
8424
8425
8426
8427
8428
8429
8430
8431
8432
8433
8434
8435
8436
8437
8438
8439
8440
8441
8442
8443
8444
8445
8446
8447
8448
8449
8450
8451
8452
8453
8454
8455
8456
8457
8458
8459
8460
8461
8462
8463
8464
8465
8466
8467
8468
8469
8470
8471
8472
8473
8474
8475
8476
8477
8478
8479
8480
8481
8482
8483
8484
8485
8486
8487
8488
8489
8490
8491
8492
8493
8494
8495
8496
8497
8498
8499
8500
8501
8502
8503
8504
8505
8506
8507
8508
8509
8510
8511
8512
8513
8514
8515
8516
8517
8518
8519
8520
8521
8522
8523
8524
8525
8526
8527
8528
8529
8530
8531
8532
8533
8534
8535
8536
8537
8538
8539
8540
8541
8542
8543
8544
8545
8546
8547
8548
8549
8550
8551
8552
8553
8554
8555
8556
8557
8558
8559
8560
8561
8562
8563
8564
8565
8566
8567
8568
8569
8570
8571
8572
8573
8574
8575
8576
8577
8578
8579
8580
8581
8582
8583
8584
8585
8586
8587
8588
8589
8590
8591
8592
8593
8594
8595
8596
8597
8598
8599
8600
8601
8602
8603
8604
8605
8606
8607
8608
8609
8610
8611
8612
8613
8614
8615
8616
8617
8618
8619
8620
8621
8622
8623
8624
8625
8626
8627
8628
8629
8630
8631
8632
8633
8634
8635
8636
8637
8638
8639
8640
8641
8642
8643
8644
8645
8646
8647
8648
8649
8650
8651
8652
8653
8654
8655
8656
8657
8658
8659
8660
8661
8662
8663
8664
8665
8666
8667
8668
8669
8670
8671
8672
8673
8674
8675
8676
8677
8678
8679
8680
8681
8682
8683
8684
8685
8686
8687
8688
8689
8690
8691
8692
8693
8694
8695
8696
8697
8698
8699
8700
8701
8702
8703
8704
8705
8706
8707
8708
8709
8710
8711
8712
8713
8714
8715
8716
8717
8718
8719
8720
8721
8722
8723
8724
8725
8726
8727
8728
8729
8730
8731
8732
8733
8734
8735
8736
8737
8738
8739
8740
8741
8742
8743
8744
8745
8746
8747
8748
8749
8750
8751
8752
8753
8754
8755
8756
8757
8758
8759
8760
8761
8762
8763
8764
8765
8766
8767
8768
8769
8770
8771
8772
8773
8774
8775
8776
8777
8778
8779
8780
8781
8782
8783
8784
8785
8786
8787
8788
8789
8790
8791
8792
8793
8794
8795
8796
8797
8798
8799
8800
8801
8802
8803
8804
8805
8806
8807
8808
8809
8810
8811
8812
8813
8814
8815
8816
8817
8818
8819
8820
8821
8822
8823
8824
8825
8826
8827
8828
8829
8830
8831
8832
8833
8834
8835
8836
8837
8838
8839
8840
8841
8842
8843
8844
8845
8846
8847
8848
8849
8850
8851
8852
8853
8854
8855
8856
8857
8858
8859
8860
8861
8862
8863
8864
8865
8866
8867
8868
8869
8870
8871
8872
8873
8874
8875
8876
8877
8878
8879
8880
8881
8882
8883
8884
8885
8886
8887
8888
8889
8890
8891
8892
8893
8894
8895
8896
8897
8898
8899
8900
8901
8902
8903
8904
8905
8906
8907
8908
8909
8910
8911
8912
8913
8914
8915
8916
8917
8918
8919
8920
8921
8922
8923
8924
8925
8926
8927
8928
8929
8930
8931
8932
8933
8934
8935
8936
8937
8938
8939
8940
8941
8942
8943
8944
8945
8946
8947
8948
8949
8950
8951
8952
8953
8954
8955
8956
8957
8958
8959
8960
8961
8962
8963
8964
8965
8966
8967
8968
8969
8970
8971
8972
8973
8974
8975
8976
8977
8978
8979
8980
8981
8982
8983
8984
8985
8986
8987
8988
8989
8990
8991
8992
8993
8994
8995
8996
8997
8998
8999
9000
9001
9002
9003
9004
9005
9006
9007
9008
9009
9010
9011
9012
9013
9014
9015
9016
9017
9018
9019
9020
9021
9022
9023
9024
9025
9026
9027
9028
9029
9030
9031
9032
9033
9034
9035
9036
9037
9038
9039
9040
9041
9042
9043
9044
9045
9046
9047
9048
9049
9050
9051
9052
9053
9054
9055
9056
9057
9058
9059
9060
9061
9062
9063
9064
9065
9066
9067
9068
9069
9070
9071
9072
9073
9074
9075
9076
9077
9078
9079
9080
9081
9082
9083
9084
9085
9086
9087
9088
9089
9090
9091
9092
9093
9094
9095
9096
9097
9098
9099
9100
9101
9102
9103
9104
9105
9106
9107
9108
9109
9110
9111
9112
9113
9114
9115
9116
9117
9118
9119
9120
9121
9122
9123
9124
9125
9126
9127
9128
9129
9130
9131
9132
9133
9134
9135
9136
9137
9138
9139
9140
9141
9142
9143
9144
9145
9146
9147
9148
9149
9150
9151
9152
9153
9154
9155
9156
9157
9158
9159
9160
9161
9162
9163
9164
9165
9166
9167
9168
9169
9170
9171
9172
9173
9174
9175
9176
9177
9178
9179
9180
9181
9182
9183
9184
9185
9186
9187
9188
9189
9190
9191
9192
9193
9194
9195
9196
9197
9198
9199
9200
9201
9202
9203
9204
9205
9206
9207
9208
9209
9210
9211
9212
9213
9214
9215
9216
9217
9218
9219
9220
9221
9222
9223
9224
9225
9226
9227
9228
9229
9230
9231
9232
9233
9234
9235
9236
9237
9238
9239
9240
9241
9242
9243
9244
9245
9246
9247
9248
9249
9250
9251
9252
9253
9254
9255
9256
9257
9258
9259
9260
9261
9262
9263
9264
9265
9266
9267
9268
9269
9270
9271
9272
9273
9274
9275
9276
9277
9278
9279
9280
9281
9282
9283
9284
9285
9286
9287
9288
9289
9290
9291
9292
9293
9294
9295
9296
9297
9298
9299
9300
9301
9302
9303
9304
9305
9306
9307
9308
9309
9310
9311
9312
9313
9314
9315
9316
9317
9318
9319
9320
9321
9322
9323
9324
9325
9326
9327
9328
9329
9330
9331
9332
9333
9334
9335
9336
9337
9338
9339
9340
9341
9342
9343
9344
9345
9346
9347
9348
9349
9350
9351
9352
9353
9354
9355
9356
9357
9358
9359
9360
9361
9362
9363
9364
9365
9366
9367
9368
9369
9370
9371
9372
9373
9374
9375
9376
9377
9378
9379
9380
9381
9382
9383
9384
9385
9386
9387
9388
9389
9390
9391
9392
9393
9394
9395
9396
9397
9398
9399
9400
9401
9402
9403
9404
9405
9406
9407
9408
9409
9410
9411
9412
9413
9414
9415
9416
9417
9418
9419
9420
9421
9422
9423
9424
9425
9426
9427
9428
9429
9430
9431
9432
9433
9434
9435
9436
9437
9438
9439
9440
9441
9442
9443
9444
9445
9446
9447
9448
9449
9450
9451
9452
9453
9454
9455
9456
9457
9458
9459
9460
9461
9462
9463
9464
9465
9466
9467
9468
9469
9470
9471
9472
9473
9474
9475
9476
9477
9478
9479
9480
9481
9482
9483
9484
9485
9486
9487
9488
9489
9490
9491
9492
9493
9494
9495
9496
9497
9498
9499
9500
9501
9502
9503
9504
9505
9506
9507
9508
9509
9510
9511
9512
9513
9514
9515
9516
9517
9518
9519
9520
9521
9522
9523
9524
9525
9526
9527
9528
9529
9530
9531
9532
9533
9534
9535
9536
9537
9538
9539
9540
9541
9542
9543
9544
9545
9546
9547
9548
9549
9550
9551
9552
9553
9554
9555
9556
9557
9558
9559
9560
9561
9562
9563
9564
9565
9566
9567
9568
9569
9570
9571
9572
9573
9574
9575
9576
9577
9578
9579
9580
9581
9582
9583
9584
9585
9586
9587
9588
9589
9590
9591
9592
9593
9594
9595
9596
9597
9598
9599
9600
9601
9602
9603
9604
9605
9606
9607
9608
9609
9610
9611
9612
9613
9614
9615
9616
9617
9618
9619
9620
9621
9622
9623
9624
9625
9626
9627
9628
9629
9630
9631
9632
9633
9634
9635
9636
9637
9638
9639
9640
9641
9642
9643
9644
9645
9646
9647
9648
9649
9650
9651
9652
9653
9654
9655
9656
9657
9658
9659
9660
9661
9662
9663
9664
9665
9666
9667
9668
9669
9670
9671
9672
9673
9674
9675
9676
9677
9678
9679
9680
9681
9682
9683
9684
9685
9686
9687
9688
9689
9690
9691
9692
9693
9694
9695
9696
9697
9698
9699
9700
9701
9702
9703
9704
9705
9706
9707
9708
9709
9710
9711
9712
9713
9714
9715
9716
9717
9718
9719
9720
9721
9722
9723
9724
9725
9726
9727
9728
9729
9730
9731
9732
9733
9734
9735
9736
9737
9738
9739
9740
9741
9742
9743
9744
9745
9746
9747
9748
9749
9750
9751
9752
9753
9754
9755
9756
9757
9758
9759
9760
9761
9762
9763
9764
9765
9766
9767
9768
9769
9770
9771
9772
9773
9774
9775
9776
9777
9778
9779
9780
9781
9782
9783
9784
9785
9786
9787
9788
9789
9790
9791
9792
9793
9794
9795
9796
9797
9798
9799
9800
9801
9802
9803
9804
9805
9806
9807
9808
9809
9810
9811
9812
9813
9814
9815
9816
9817
9818
9819
9820
9821
9822
9823
9824
9825
9826
9827
9828
9829
9830
9831
9832
9833
9834
9835
9836
9837
9838
9839
9840
9841
9842
9843
9844
9845
9846
9847
9848
9849
9850
9851
9852
9853
9854
9855
9856
9857
9858
9859
9860
9861
9862
9863
9864
9865
9866
9867
9868
9869
9870
9871
9872
9873
9874
9875
9876
9877
9878
9879
9880
9881
9882
9883
9884
9885
9886
9887
9888
9889
9890
9891
9892
9893
9894
9895
9896
9897
9898
9899
9900
9901
9902
9903
9904
9905
9906
9907
9908
9909
9910
9911
9912
9913
9914
9915
9916
9917
9918
9919
9920
9921
9922
9923
9924
9925
9926
9927
9928
9929
9930
9931
9932
9933
9934
9935
9936
9937
9938
9939
9940
9941
9942
9943
9944
9945
9946
9947
9948
9949
9950
9951
9952
9953
9954
9955
9956
9957
9958
9959
9960
9961
9962
9963
9964
9965
9966
9967
9968
9969
9970
9971
9972
9973
9974
9975
9976
9977
9978
9979
9980
9981
9982
9983
9984
9985
9986
9987
9988
9989
9990
9991
9992
9993
9994
9995
9996
9997
9998
9999
10000
10001
10002
10003
10004
10005
10006
10007
10008
10009
10010
10011
10012
10013
10014
10015
10016
10017
10018
10019
10020
10021
10022
10023
10024
10025
10026
10027
10028
10029
10030
10031
10032
10033
10034
10035
10036
10037
10038
10039
10040
10041
10042
10043
10044
10045
10046
10047
10048
10049
10050
10051
10052
10053
10054
10055
10056
10057
10058
10059
10060
10061
10062
10063
10064
10065
10066
10067
10068
10069
10070
10071
10072
10073
10074
10075
10076
10077
10078
10079
10080
10081
10082
10083
10084
10085
10086
10087
10088
10089
10090
10091
10092
10093
10094
10095
10096
10097
10098
10099
10100
10101
10102
10103
10104
10105
10106
10107
10108
10109
10110
10111
10112
10113
10114
10115
10116
10117
10118
10119
10120
10121
10122
10123
10124
10125
10126
10127
10128
10129
10130
10131
10132
10133
10134
10135
10136
10137
10138
10139
10140
10141
10142
10143
10144
10145
10146
10147
10148
10149
10150
10151
10152
10153
10154
10155
10156
10157
10158
10159
10160
10161
10162
10163
10164
10165
10166
10167
10168
10169
10170
10171
10172
10173
10174
10175
10176
10177
10178
10179
10180
10181
10182
10183
10184
10185
10186
10187
10188
10189
10190
10191
10192
10193
10194
10195
10196
10197
10198
10199
10200
10201
10202
10203
10204
10205
10206
10207
10208
10209
10210
10211
10212
10213
10214
10215
10216
10217
10218
10219
10220
10221
10222
10223
10224
10225
10226
10227
10228
10229
10230
10231
10232
10233
10234
10235
10236
10237
10238
10239
10240
10241
10242
10243
10244
10245
10246
10247
10248
10249
10250
10251
10252
10253
10254
10255
10256
10257
10258
10259
10260
10261
10262
10263
10264
10265
10266
10267
10268
10269
10270
10271
10272
10273
10274
10275
10276
10277
10278
10279
10280
10281
10282
10283
10284
10285
10286
10287
10288
10289
10290
10291
10292
10293
10294
10295
10296
10297
10298
10299
10300
10301
10302
10303
10304
10305
10306
10307
10308
10309
10310
10311
10312
10313
10314
10315
10316
10317
10318
10319
10320
10321
10322
10323
10324
10325
10326
10327
10328
10329
10330
10331
10332
10333
10334
10335
10336
10337
10338
10339
10340
10341
10342
10343
10344
10345
10346
10347
10348
10349
10350
10351
10352
10353
10354
10355
10356
10357
10358
10359
10360
10361
10362
10363
10364
10365
10366
10367
10368
10369
10370
10371
10372
10373
10374
10375
10376
10377
10378
10379
10380
10381
10382
10383
10384
10385
10386
10387
10388
10389
10390
10391
10392
10393
10394
10395
10396
10397
10398
10399
10400
10401
10402
10403
10404
10405
10406
10407
10408
10409
10410
10411
10412
10413
10414
10415
10416
10417
10418
10419
10420
10421
10422
10423
10424
10425
10426
10427
10428
10429
10430
10431
10432
10433
10434
10435
10436
10437
10438
10439
10440
10441
10442
10443
10444
10445
10446
10447
10448
10449
10450
10451
10452
10453
10454
10455
10456
10457
10458
10459
10460
10461
10462
10463
10464
10465
10466
10467
10468
10469
10470
10471
10472
10473
10474
10475
10476
10477
10478
10479
10480
10481
10482
10483
10484
10485
10486
10487
10488
10489
10490
10491
10492
10493
10494
10495
10496
10497
10498
10499
10500
10501
10502
10503
10504
10505
10506
10507
10508
10509
10510
10511
10512
10513
10514
10515
10516
10517
10518
10519
10520
10521
10522
10523
10524
10525
10526
10527
10528
10529
10530
10531
10532
10533
10534
10535
10536
10537
10538
10539
10540
10541
10542
10543
10544
10545
10546
10547
10548
10549
10550
10551
10552
10553
10554
10555
10556
10557
10558
10559
10560
10561
10562
10563
10564
10565
10566
10567
10568
10569
10570
10571
10572
10573
10574
10575
10576
10577
10578
10579
10580
10581
10582
10583
10584
10585
10586
10587
10588
10589
10590
10591
10592
10593
10594
10595
10596
10597
10598
10599
10600
10601
10602
10603
10604
10605
10606
10607
10608
10609
10610
10611
10612
10613
10614
10615
10616
10617
10618
10619
10620
10621
10622
10623
10624
10625
10626
10627
10628
10629
10630
10631
10632
10633
10634
10635
10636
10637
10638
10639
10640
10641
10642
10643
10644
10645
10646
10647
10648
10649
10650
10651
10652
10653
10654
10655
10656
10657
10658
10659
10660
10661
10662
10663
10664
10665
10666
10667
10668
10669
10670
10671
10672
10673
10674
10675
10676
10677
10678
10679
10680
10681
10682
10683
10684
10685
10686
10687
10688
10689
10690
10691
10692
10693
10694
10695
10696
10697
10698
10699
10700
10701
10702
10703
10704
10705
10706
10707
10708
10709
10710
10711
10712
10713
10714
10715
10716
10717
10718
10719
10720
10721
10722
10723
10724
10725
10726
10727
10728
10729
10730
10731
10732
10733
10734
10735
10736
10737
10738
10739
10740
10741
10742
10743
10744
10745
10746
10747
10748
10749
10750
10751
10752
10753
10754
10755
10756
10757
10758
10759
10760
10761
10762
10763
10764
10765
10766
10767
10768
10769
10770
10771
10772
10773
10774
10775
10776
10777
10778
10779
10780
10781
10782
10783
10784
10785
10786
10787
10788
10789
10790
10791
10792
10793
10794
10795
10796
10797
10798
10799
10800
10801
10802
10803
10804
10805
10806
10807
10808
10809
10810
10811
10812
10813
10814
10815
10816
10817
10818
10819
10820
10821
10822
10823
10824
10825
10826
10827
10828
10829
10830
10831
10832
10833
10834
10835
10836
10837
10838
10839
10840
10841
10842
10843
10844
10845
10846
10847
10848
10849
10850
10851
10852
10853
10854
10855
10856
10857
10858
10859
10860
10861
10862
10863
10864
10865
10866
10867
10868
10869
10870
10871
10872
10873
10874
10875
10876
10877
10878
10879
10880
10881
10882
10883
10884
10885
10886
10887
10888
10889
10890
10891
10892
10893
10894
10895
10896
10897
10898
10899
10900
10901
10902
10903
10904
10905
10906
10907
10908
10909
10910
10911
10912
10913
10914
10915
10916
10917
10918
10919
10920
10921
10922
10923
10924
10925
10926
10927
10928
10929
10930
10931
10932
10933
10934
10935
10936
10937
10938
10939
10940
10941
10942
10943
10944
10945
10946
10947
10948
10949
10950
10951
10952
10953
10954
10955
10956
10957
10958
10959
10960
10961
10962
10963
10964
10965
10966
10967
10968
10969
10970
10971
10972
10973
10974
10975
10976
10977
10978
10979
10980
10981
10982
10983
10984
10985
10986
10987
10988
10989
10990
10991
10992
10993
10994
10995
10996
10997
10998
10999
11000
11001
11002
11003
11004
11005
11006
11007
11008
11009
11010
11011
11012
11013
11014
11015
11016
11017
11018
11019
11020
11021
11022
11023
11024
11025
11026
11027
11028
11029
11030
11031
11032
11033
11034
11035
11036
11037
11038
11039
11040
11041
11042
11043
11044
11045
11046
11047
11048
11049
11050
11051
11052
11053
11054
11055
11056
11057
11058
11059
11060
11061
11062
11063
11064
11065
11066
11067
11068
11069
11070
11071
11072
11073
11074
11075
11076
11077
11078
11079
11080
11081
11082
11083
11084
11085
11086
11087
11088
11089
11090
11091
11092
11093
11094
11095
11096
11097
11098
11099
11100
11101
11102
11103
11104
11105
11106
11107
11108
11109
11110
11111
11112
11113
11114
11115
11116
11117
11118
11119
11120
11121
11122
11123
11124
11125
11126
11127
11128
11129
11130
11131
11132
11133
11134
11135
11136
11137
11138
11139
11140
11141
11142
11143
11144
11145
11146
11147
11148
11149
11150
11151
11152
11153
11154
11155
11156
11157
11158
11159
11160
11161
11162
11163
11164
11165
11166
11167
11168
11169
11170
11171
11172
11173
11174
11175
11176
11177
11178
11179
11180
11181
11182
11183
11184
11185
11186
11187
11188
11189
11190
11191
11192
11193
11194
11195
11196
11197
11198
11199
11200
11201
11202
11203
11204
11205
11206
11207
11208
11209
11210
11211
11212
11213
11214
11215
11216
11217
11218
11219
11220
11221
11222
11223
11224
11225
11226
11227
11228
11229
11230
11231
11232
11233
11234
11235
11236
11237
11238
11239
11240
11241
11242
11243
11244
11245
11246
11247
11248
11249
11250
11251
11252
11253
11254
11255
11256
11257
11258
11259
11260
11261
11262
11263
11264
11265
11266
11267
11268
11269
11270
11271
11272
11273
11274
11275
11276
11277
11278
11279
11280
11281
11282
11283
11284
11285
11286
11287
11288
11289
11290
11291
11292
11293
11294
11295
11296
11297
11298
11299
11300
11301
11302
11303
11304
11305
11306
11307
11308
11309
11310
11311
11312
11313
11314
11315
11316
11317
11318
11319
11320
11321
11322
11323
11324
11325
11326
11327
11328
11329
11330
11331
11332
11333
11334
11335
11336
11337
11338
11339
11340
11341
11342
11343
11344
11345
11346
11347
11348
11349
11350
11351
11352
11353
11354
11355
11356
11357
11358
11359
11360
11361
11362
11363
11364
11365
11366
11367
11368
11369
11370
11371
11372
11373
11374
11375
11376
11377
11378
11379
11380
11381
11382
11383
11384
11385
11386
11387
11388
11389
11390
11391
11392
11393
11394
11395
11396
11397
11398
11399
11400
11401
11402
11403
11404
11405
11406
11407
11408
11409
11410
11411
11412
11413
11414
11415
11416
11417
11418
11419
11420
11421
11422
11423
11424
11425
11426
11427
11428
11429
11430
11431
11432
11433
11434
11435
11436
11437
11438
11439
11440
11441
11442
11443
11444
11445
11446
11447
11448
11449
11450
11451
11452
11453
11454
11455
11456
11457
11458
11459
11460
11461
11462
11463
11464
11465
11466
11467
11468
11469
11470
11471
11472
11473
11474
11475
11476
11477
11478
11479
11480
11481
11482
11483
11484
11485
11486
11487
11488
11489
11490
11491
11492
11493
11494
11495
11496
11497
11498
11499
11500
11501
11502
11503
11504
11505
11506
11507
11508
11509
11510
11511
11512
11513
11514
11515
11516
11517
11518
11519
11520
11521
11522
11523
11524
11525
11526
11527
11528
11529
11530
11531
11532
11533
11534
11535
11536
11537
11538
11539
11540
11541
11542
11543
11544
11545
11546
11547
11548
11549
11550
11551
11552
11553
11554
11555
11556
11557
11558
11559
11560
11561
11562
11563
11564
11565
11566
11567
11568
11569
11570
11571
11572
11573
11574
11575
11576
11577
11578
11579
11580
11581
11582
11583
11584
11585
11586
11587
11588
11589
11590
11591
11592
11593
11594
11595
11596
11597
11598
11599
11600
11601
11602
11603
11604
11605
11606
11607
11608
11609
11610
11611
11612
11613
11614
11615
11616
11617
11618
11619
11620
11621
11622
11623
11624
11625
11626
11627
11628
11629
11630
11631
11632
11633
11634
11635
11636
11637
11638
11639
11640
11641
11642
11643
11644
11645
11646
11647
11648
11649
11650
11651
11652
11653
11654
11655
11656
11657
11658
11659
11660
11661
11662
11663
11664
11665
11666
11667
11668
11669
11670
11671
11672
11673
11674
11675
11676
11677
11678
11679
11680
11681
11682
11683
11684
11685
11686
11687
11688
11689
11690
11691
11692
11693
11694
11695
11696
11697
11698
11699
11700
11701
11702
11703
11704
11705
11706
11707
11708
11709
11710
11711
11712
11713
11714
11715
11716
11717
11718
11719
11720
11721
11722
11723
11724
11725
11726
11727
11728
11729
11730
11731
11732
11733
11734
11735
11736
11737
11738
11739
11740
11741
11742
11743
11744
11745
11746
11747
11748
11749
11750
11751
11752
11753
11754
11755
11756
11757
11758
11759
11760
11761
11762
11763
11764
11765
11766
11767
11768
11769
11770
11771
11772
11773
11774
11775
11776
11777
11778
11779
11780
11781
11782
11783
11784
11785
11786
11787
11788
11789
11790
11791
11792
11793
11794
11795
11796
11797
11798
11799
11800
11801
11802
11803
11804
11805
11806
11807
11808
11809
11810
11811
11812
11813
11814
11815
11816
11817
11818
11819
11820
11821
11822
11823
11824
11825
11826
11827
11828
11829
11830
11831
11832
11833
11834
11835
11836
11837
11838
11839
11840
11841
11842
11843
11844
11845
11846
11847
11848
11849
11850
11851
11852
11853
11854
11855
11856
11857
11858
11859
11860
11861
11862
11863
11864
11865
11866
11867
11868
11869
11870
11871
11872
11873
11874
11875
11876
11877
11878
11879
11880
11881
11882
11883
11884
11885
11886
11887
11888
11889
11890
11891
11892
11893
11894
11895
11896
11897
11898
11899
11900
11901
11902
11903
11904
11905
11906
11907
11908
11909
11910
11911
11912
11913
11914
11915
11916
11917
11918
11919
11920
11921
11922
11923
11924
11925
11926
11927
11928
11929
11930
11931
11932
11933
11934
11935
11936
11937
11938
11939
11940
11941
11942
11943
11944
11945
11946
11947
11948
11949
11950
11951
11952
11953
11954
11955
11956
11957
11958
11959
11960
11961
11962
11963
11964
11965
11966
11967
11968
11969
11970
11971
11972
11973
11974
11975
11976
11977
11978
11979
11980
11981
11982
11983
11984
11985
11986
11987
11988
11989
11990
11991
11992
11993
11994
11995
11996
11997
11998
11999
12000
12001
12002
12003
12004
12005
12006
12007
12008
12009
12010
12011
12012
12013
12014
12015
12016
12017
12018
12019
12020
12021
12022
12023
12024
12025
12026
12027
12028
12029
12030
12031
12032
12033
12034
12035
12036
12037
12038
12039
12040
12041
12042
12043
12044
12045
12046
12047
12048
12049
12050
12051
12052
12053
12054
12055
12056
12057
12058
12059
12060
12061
12062
12063
12064
12065
12066
12067
12068
12069
12070
12071
12072
12073
12074
12075
12076
12077
12078
12079
12080
12081
12082
12083
12084
12085
12086
12087
12088
12089
12090
12091
12092
12093
12094
12095
12096
12097
12098
12099
12100
12101
12102
12103
12104
12105
12106
12107
12108
12109
12110
12111
12112
12113
12114
12115
12116
12117
12118
12119
12120
12121
12122
12123
12124
12125
12126
12127
12128
12129
12130
12131
12132
12133
12134
12135
12136
12137
12138
12139
12140
12141
12142
12143
12144
12145
12146
12147
12148
12149
12150
12151
12152
12153
12154
12155
12156
12157
12158
12159
12160
12161
12162
12163
12164
12165
12166
12167
12168
12169
12170
12171
12172
12173
12174
12175
12176
12177
12178
12179
12180
12181
12182
12183
12184
12185
12186
12187
12188
12189
12190
12191
12192
12193
12194
12195
12196
12197
12198
12199
12200
12201
12202
12203
12204
12205
12206
12207
12208
12209
12210
12211
12212
12213
12214
12215
12216
12217
12218
12219
12220
12221
12222
12223
12224
12225
12226
12227
12228
12229
12230
12231
12232
12233
12234
12235
12236
12237
12238
12239
12240
12241
12242
12243
12244
12245
12246
12247
12248
12249
12250
12251
12252
12253
12254
12255
12256
12257
12258
12259
12260
12261
12262
12263
12264
12265
12266
12267
12268
12269
12270
12271
12272
12273
12274
12275
12276
12277
12278
12279
12280
12281
12282
12283
12284
12285
12286
12287
12288
12289
12290
12291
12292
12293
12294
12295
12296
12297
12298
12299
12300
12301
12302
12303
12304
12305
12306
12307
12308
12309
12310
12311
12312
12313
12314
12315
12316
12317
12318
12319
12320
12321
12322
12323
12324
12325
12326
12327
12328
12329
12330
12331
12332
12333
12334
12335
12336
12337
12338
12339
12340
12341
12342
12343
12344
12345
12346
12347
12348
12349
12350
12351
12352
12353
12354
12355
12356
12357
12358
12359
12360
12361
12362
12363
12364
12365
12366
12367
12368
12369
12370
12371
12372
12373
12374
12375
12376
12377
12378
12379
12380
12381
12382
12383
12384
12385
12386
12387
12388
12389
12390
12391
12392
12393
12394
12395
12396
12397
12398
12399
12400
12401
12402
12403
12404
12405
12406
12407
12408
12409
12410
12411
12412
12413
12414
12415
12416
12417
12418
12419
12420
12421
12422
12423
12424
12425
12426
12427
12428
12429
12430
12431
12432
12433
12434
12435
12436
12437
12438
12439
12440
12441
12442
12443
12444
12445
12446
12447
12448
12449
12450
12451
12452
12453
12454
12455
12456
12457
12458
12459
12460
12461
12462
12463
12464
12465
12466
12467
12468
12469
12470
12471
12472
12473
12474
12475
12476
12477
12478
12479
12480
12481
12482
12483
12484
12485
12486
12487
12488
12489
12490
12491
12492
12493
12494
12495
12496
12497
12498
12499
12500
12501
12502
12503
12504
12505
12506
12507
12508
12509
12510
12511
12512
12513
12514
12515
12516
12517
12518
12519
12520
12521
12522
12523
12524
12525
12526
12527
12528
12529
12530
12531
12532
12533
12534
12535
12536
12537
12538
12539
12540
12541
12542
12543
12544
12545
12546
12547
12548
12549
12550
12551
12552
12553
12554
12555
12556
12557
12558
12559
12560
12561
12562
12563
12564
12565
12566
12567
12568
12569
12570
12571
12572
12573
12574
12575
12576
12577
12578
12579
12580
12581
12582
12583
12584
12585
12586
12587
12588
12589
12590
12591
12592
12593
12594
12595
12596
12597
12598
12599
12600
12601
12602
12603
12604
12605
12606
12607
12608
12609
12610
12611
12612
12613
12614
12615
12616
12617
12618
12619
12620
12621
12622
12623
12624
12625
12626
12627
12628
12629
12630
12631
12632
12633
12634
12635
12636
12637
12638
12639
12640
12641
12642
12643
12644
12645
12646
12647
12648
12649
12650
12651
12652
12653
12654
12655
12656
12657
12658
12659
12660
12661
12662
12663
12664
12665
12666
12667
12668
12669
12670
12671
12672
12673
12674
12675
12676
12677
12678
12679
12680
12681
12682
12683
12684
12685
12686
12687
12688
12689
12690
12691
12692
12693
12694
12695
12696
12697
12698
12699
12700
12701
12702
12703
12704
12705
12706
12707
12708
12709
12710
12711
12712
12713
12714
12715
12716
12717
12718
12719
12720
12721
12722
12723
12724
12725
12726
12727
12728
12729
12730
12731
12732
12733
12734
12735
12736
12737
12738
12739
12740
12741
12742
12743
12744
12745
12746
12747
12748
12749
12750
12751
12752
12753
12754
12755
12756
12757
12758
12759
12760
12761
12762
12763
12764
12765
12766
12767
12768
12769
12770
12771
12772
12773
12774
12775
12776
12777
12778
12779
12780
12781
12782
12783
12784
12785
12786
12787
12788
12789
12790
12791
12792
12793
12794
12795
12796
12797
12798
12799
12800
12801
12802
12803
12804
12805
12806
12807
12808
12809
12810
12811
12812
12813
12814
12815
12816
12817
12818
12819
12820
12821
12822
12823
12824
12825
12826
12827
12828
12829
12830
12831
12832
12833
12834
12835
12836
12837
12838
12839
12840
12841
12842
12843
12844
12845
12846
12847
12848
12849
12850
12851
12852
12853
12854
12855
12856
12857
12858
12859
12860
12861
12862
12863
12864
12865
12866
12867
12868
12869
12870
12871
12872
12873
12874
12875
12876
12877
12878
12879
12880
12881
12882
12883
12884
12885
12886
12887
12888
12889
12890
12891
12892
12893
12894
12895
12896
12897
12898
12899
12900
12901
12902
12903
12904
12905
12906
12907
12908
12909
12910
12911
12912
12913
12914
12915
12916
12917
12918
12919
12920
12921
12922
12923
12924
12925
12926
12927
12928
12929
12930
12931
12932
12933
12934
/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.  *
 * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.broadcom.com                                                *
 * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * modify it under the terms of version 2 of the GNU General       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
 *******************************************************************/

#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/kthread.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/ctype.h>
#include <linux/aer.h>
#include <linux/slab.h>
#include <linux/firmware.h>
#include <linux/miscdevice.h>
#include <linux/percpu.h>
#include <linux/msi.h>
#include <linux/bitops.h>

#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/scsi_tcq.h>
#include <scsi/fc/fc_fs.h>

#include <linux/nvme-fc-driver.h>

#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_sli4.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
#include "lpfc_nvmet.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
#include "lpfc_version.h"
#include "lpfc_ids.h"

char *_dump_buf_data;
unsigned long _dump_buf_data_order;
char *_dump_buf_dif;
unsigned long _dump_buf_dif_order;
spinlock_t _dump_buf_lock;

/* Used when mapping IRQ vectors in a driver centric manner */
uint16_t *lpfc_used_cpu;
uint32_t lpfc_present_cpu;

static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
static int lpfc_post_rcv_buf(struct lpfc_hba *);
static int lpfc_sli4_queue_verify(struct lpfc_hba *);
static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
static int lpfc_setup_endian_order(struct lpfc_hba *);
static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
static void lpfc_free_els_sgl_list(struct lpfc_hba *);
static void lpfc_free_nvmet_sgl_list(struct lpfc_hba *);
static void lpfc_init_sgl_list(struct lpfc_hba *);
static int lpfc_init_active_sgl_array(struct lpfc_hba *);
static void lpfc_free_active_sgl(struct lpfc_hba *);
static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
static void lpfc_sli4_disable_intr(struct lpfc_hba *);
static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t);
static void lpfc_sli4_oas_verify(struct lpfc_hba *phba);

static struct scsi_transport_template *lpfc_transport_template = NULL;
static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
static DEFINE_IDR(lpfc_hba_index);
#define LPFC_NVMET_BUF_POST 254

/**
 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
 * mailbox command. It retrieves the revision information from the HBA and
 * collects the Vital Product Data (VPD) about the HBA for preparing the
 * configuration of the HBA.
 *
 * Return codes:
 *   0 - success.
 *   -ERESTART - requests the SLI layer to reset the HBA and try again.
 *   Any other value - indicates an error.
 **/
int
lpfc_config_port_prep(struct lpfc_hba *phba)
{
	lpfc_vpd_t *vp = &phba->vpd;
	int i = 0, rc;
	LPFC_MBOXQ_t *pmb;
	MAILBOX_t *mb;
	char *lpfc_vpd_data = NULL;
	uint16_t offset = 0;
	static char licensed[56] =
		    "key unlock for use with gnu public licensed code only\0";
	static int init_key = 1;

	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		phba->link_state = LPFC_HBA_ERROR;
		return -ENOMEM;
	}

	mb = &pmb->u.mb;
	phba->link_state = LPFC_INIT_MBX_CMDS;

	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
		if (init_key) {
			uint32_t *ptext = (uint32_t *) licensed;

			for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
				*ptext = cpu_to_be32(*ptext);
			init_key = 0;
		}

		lpfc_read_nv(phba, pmb);
		memset((char*)mb->un.varRDnvp.rsvd3, 0,
			sizeof (mb->un.varRDnvp.rsvd3));
		memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
			 sizeof (licensed));

		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);

		if (rc != MBX_SUCCESS) {
			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
					"0324 Config Port initialization "
					"error, mbxCmd x%x READ_NVPARM, "
					"mbxStatus x%x\n",
					mb->mbxCommand, mb->mbxStatus);
			mempool_free(pmb, phba->mbox_mem_pool);
			return -ERESTART;
		}
		memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
		       sizeof(phba->wwnn));
		memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
		       sizeof(phba->wwpn));
	}

	/*
	 * Clear all option bits except LPFC_SLI3_BG_ENABLED,
	 * which was already set in lpfc_get_cfgparam()
	 */
	phba->sli3_options &= (uint32_t)LPFC_SLI3_BG_ENABLED;

	/* Setup and issue mailbox READ REV command */
	lpfc_read_rev(phba, pmb);
	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
	if (rc != MBX_SUCCESS) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0439 Adapter failed to init, mbxCmd x%x "
				"READ_REV, mbxStatus x%x\n",
				mb->mbxCommand, mb->mbxStatus);
		mempool_free( pmb, phba->mbox_mem_pool);
		return -ERESTART;
	}


	/*
	 * The value of rr must be 1 since the driver set the cv field to 1.
	 * This setting requires the FW to set all revision fields.
	 */
	if (mb->un.varRdRev.rr == 0) {
		vp->rev.rBit = 0;
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0440 Adapter failed to init, READ_REV has "
				"missing revision information.\n");
		mempool_free(pmb, phba->mbox_mem_pool);
		return -ERESTART;
	}

	if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
		mempool_free(pmb, phba->mbox_mem_pool);
		return -EINVAL;
	}

	/* Save information as VPD data */
	vp->rev.rBit = 1;
	memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
	vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
	memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
	vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
	memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
	vp->rev.biuRev = mb->un.varRdRev.biuRev;
	vp->rev.smRev = mb->un.varRdRev.smRev;
	vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
	vp->rev.endecRev = mb->un.varRdRev.endecRev;
	vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
	vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
	vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
	vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
	vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
	vp->rev.opFwRev = mb->un.varRdRev.opFwRev;

	/* If the sli feature level is less then 9, we must
	 * tear down all RPIs and VPIs on link down if NPIV
	 * is enabled.
	 */
	if (vp->rev.feaLevelHigh < 9)
		phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;

	if (lpfc_is_LC_HBA(phba->pcidev->device))
		memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
						sizeof (phba->RandomData));

	/* Get adapter VPD information */
	lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
	if (!lpfc_vpd_data)
		goto out_free_mbox;
	do {
		lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);

		if (rc != MBX_SUCCESS) {
			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
					"0441 VPD not present on adapter, "
					"mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
					mb->mbxCommand, mb->mbxStatus);
			mb->un.varDmp.word_cnt = 0;
		}
		/* dump mem may return a zero when finished or we got a
		 * mailbox error, either way we are done.
		 */
		if (mb->un.varDmp.word_cnt == 0)
			break;
		if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
			mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
		lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
				      lpfc_vpd_data + offset,
				      mb->un.varDmp.word_cnt);
		offset += mb->un.varDmp.word_cnt;
	} while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
	lpfc_parse_vpd(phba, lpfc_vpd_data, offset);

	kfree(lpfc_vpd_data);
out_free_mbox:
	mempool_free(pmb, phba->mbox_mem_pool);
	return 0;
}

/**
 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
 * @phba: pointer to lpfc hba data structure.
 * @pmboxq: pointer to the driver internal queue element for mailbox command.
 *
 * This is the completion handler for driver's configuring asynchronous event
 * mailbox command to the device. If the mailbox command returns successfully,
 * it will set internal async event support flag to 1; otherwise, it will
 * set internal async event support flag to 0.
 **/
static void
lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
{
	if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
		phba->temp_sensor_support = 1;
	else
		phba->temp_sensor_support = 0;
	mempool_free(pmboxq, phba->mbox_mem_pool);
	return;
}

/**
 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
 * @phba: pointer to lpfc hba data structure.
 * @pmboxq: pointer to the driver internal queue element for mailbox command.
 *
 * This is the completion handler for dump mailbox command for getting
 * wake up parameters. When this command complete, the response contain
 * Option rom version of the HBA. This function translate the version number
 * into a human readable string and store it in OptionROMVersion.
 **/
static void
lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
{
	struct prog_id *prg;
	uint32_t prog_id_word;
	char dist = ' ';
	/* character array used for decoding dist type. */
	char dist_char[] = "nabx";

	if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
		mempool_free(pmboxq, phba->mbox_mem_pool);
		return;
	}

	prg = (struct prog_id *) &prog_id_word;

	/* word 7 contain option rom version */
	prog_id_word = pmboxq->u.mb.un.varWords[7];

	/* Decode the Option rom version word to a readable string */
	if (prg->dist < 4)
		dist = dist_char[prg->dist];

	if ((prg->dist == 3) && (prg->num == 0))
		snprintf(phba->OptionROMVersion, 32, "%d.%d%d",
			prg->ver, prg->rev, prg->lev);
	else
		snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d",
			prg->ver, prg->rev, prg->lev,
			dist, prg->num);
	mempool_free(pmboxq, phba->mbox_mem_pool);
	return;
}

/**
 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
 *	cfg_soft_wwnn, cfg_soft_wwpn
 * @vport: pointer to lpfc vport data structure.
 *
 *
 * Return codes
 *   None.
 **/
void
lpfc_update_vport_wwn(struct lpfc_vport *vport)
{
	uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level;
	u32 *fawwpn_key = (u32 *)&vport->fc_sparam.un.vendorVersion[0];

	/* If the soft name exists then update it using the service params */
	if (vport->phba->cfg_soft_wwnn)
		u64_to_wwn(vport->phba->cfg_soft_wwnn,
			   vport->fc_sparam.nodeName.u.wwn);
	if (vport->phba->cfg_soft_wwpn)
		u64_to_wwn(vport->phba->cfg_soft_wwpn,
			   vport->fc_sparam.portName.u.wwn);

	/*
	 * If the name is empty or there exists a soft name
	 * then copy the service params name, otherwise use the fc name
	 */
	if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
		memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
			sizeof(struct lpfc_name));
	else
		memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
			sizeof(struct lpfc_name));

	/*
	 * If the port name has changed, then set the Param changes flag
	 * to unreg the login
	 */
	if (vport->fc_portname.u.wwn[0] != 0 &&
		memcmp(&vport->fc_portname, &vport->fc_sparam.portName,
			sizeof(struct lpfc_name)))
		vport->vport_flag |= FAWWPN_PARAM_CHG;

	if (vport->fc_portname.u.wwn[0] == 0 ||
	    vport->phba->cfg_soft_wwpn ||
	    (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) ||
	    vport->vport_flag & FAWWPN_SET) {
		memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
			sizeof(struct lpfc_name));
		vport->vport_flag &= ~FAWWPN_SET;
		if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR)
			vport->vport_flag |= FAWWPN_SET;
	}
	else
		memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
			sizeof(struct lpfc_name));
}

/**
 * lpfc_config_port_post - Perform lpfc initialization after config port
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
 * command call. It performs all internal resource and state setups on the
 * port: post IOCB buffers, enable appropriate host interrupt attentions,
 * ELS ring timers, etc.
 *
 * Return codes
 *   0 - success.
 *   Any other value - error.
 **/
int
lpfc_config_port_post(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport = phba->pport;
	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
	LPFC_MBOXQ_t *pmb;
	MAILBOX_t *mb;
	struct lpfc_dmabuf *mp;
	struct lpfc_sli *psli = &phba->sli;
	uint32_t status, timeout;
	int i, j;
	int rc;

	spin_lock_irq(&phba->hbalock);
	/*
	 * If the Config port completed correctly the HBA is not
	 * over heated any more.
	 */
	if (phba->over_temp_state == HBA_OVER_TEMP)
		phba->over_temp_state = HBA_NORMAL_TEMP;
	spin_unlock_irq(&phba->hbalock);

	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		phba->link_state = LPFC_HBA_ERROR;
		return -ENOMEM;
	}
	mb = &pmb->u.mb;

	/* Get login parameters for NID.  */
	rc = lpfc_read_sparam(phba, pmb, 0);
	if (rc) {
		mempool_free(pmb, phba->mbox_mem_pool);
		return -ENOMEM;
	}

	pmb->vport = vport;
	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0448 Adapter failed init, mbxCmd x%x "
				"READ_SPARM mbxStatus x%x\n",
				mb->mbxCommand, mb->mbxStatus);
		phba->link_state = LPFC_HBA_ERROR;
		mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
		mempool_free(pmb, phba->mbox_mem_pool);
		lpfc_mbuf_free(phba, mp->virt, mp->phys);
		kfree(mp);
		return -EIO;
	}

	mp = (struct lpfc_dmabuf *)pmb->ctx_buf;

	memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
	lpfc_mbuf_free(phba, mp->virt, mp->phys);
	kfree(mp);
	pmb->ctx_buf = NULL;
	lpfc_update_vport_wwn(vport);

	/* Update the fc_host data structures with new wwn. */
	fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
	fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
	fc_host_max_npiv_vports(shost) = phba->max_vpi;

	/* If no serial number in VPD data, use low 6 bytes of WWNN */
	/* This should be consolidated into parse_vpd ? - mr */
	if (phba->SerialNumber[0] == 0) {
		uint8_t *outptr;

		outptr = &vport->fc_nodename.u.s.IEEE[0];
		for (i = 0; i < 12; i++) {
			status = *outptr++;
			j = ((status & 0xf0) >> 4);
			if (j <= 9)
				phba->SerialNumber[i] =
				    (char)((uint8_t) 0x30 + (uint8_t) j);
			else
				phba->SerialNumber[i] =
				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
			i++;
			j = (status & 0xf);
			if (j <= 9)
				phba->SerialNumber[i] =
				    (char)((uint8_t) 0x30 + (uint8_t) j);
			else
				phba->SerialNumber[i] =
				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
		}
	}

	lpfc_read_config(phba, pmb);
	pmb->vport = vport;
	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0453 Adapter failed to init, mbxCmd x%x "
				"READ_CONFIG, mbxStatus x%x\n",
				mb->mbxCommand, mb->mbxStatus);
		phba->link_state = LPFC_HBA_ERROR;
		mempool_free( pmb, phba->mbox_mem_pool);
		return -EIO;
	}

	/* Check if the port is disabled */
	lpfc_sli_read_link_ste(phba);

	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
	i = (mb->un.varRdConfig.max_xri + 1);
	if (phba->cfg_hba_queue_depth > i) {
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"3359 HBA queue depth changed from %d to %d\n",
				phba->cfg_hba_queue_depth, i);
		phba->cfg_hba_queue_depth = i;
	}

	/* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3)  */
	i = (mb->un.varRdConfig.max_xri >> 3);
	if (phba->pport->cfg_lun_queue_depth > i) {
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"3360 LUN queue depth changed from %d to %d\n",
				phba->pport->cfg_lun_queue_depth, i);
		phba->pport->cfg_lun_queue_depth = i;
	}

	phba->lmt = mb->un.varRdConfig.lmt;

	/* Get the default values for Model Name and Description */
	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);

	phba->link_state = LPFC_LINK_DOWN;

	/* Only process IOCBs on ELS ring till hba_state is READY */
	if (psli->sli3_ring[LPFC_EXTRA_RING].sli.sli3.cmdringaddr)
		psli->sli3_ring[LPFC_EXTRA_RING].flag |= LPFC_STOP_IOCB_EVENT;
	if (psli->sli3_ring[LPFC_FCP_RING].sli.sli3.cmdringaddr)
		psli->sli3_ring[LPFC_FCP_RING].flag |= LPFC_STOP_IOCB_EVENT;

	/* Post receive buffers for desired rings */
	if (phba->sli_rev != 3)
		lpfc_post_rcv_buf(phba);

	/*
	 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
	 */
	if (phba->intr_type == MSIX) {
		rc = lpfc_config_msi(phba, pmb);
		if (rc) {
			mempool_free(pmb, phba->mbox_mem_pool);
			return -EIO;
		}
		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
		if (rc != MBX_SUCCESS) {
			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
					"0352 Config MSI mailbox command "
					"failed, mbxCmd x%x, mbxStatus x%x\n",
					pmb->u.mb.mbxCommand,
					pmb->u.mb.mbxStatus);
			mempool_free(pmb, phba->mbox_mem_pool);
			return -EIO;
		}
	}

	spin_lock_irq(&phba->hbalock);
	/* Initialize ERATT handling flag */
	phba->hba_flag &= ~HBA_ERATT_HANDLED;

	/* Enable appropriate host interrupts */
	if (lpfc_readl(phba->HCregaddr, &status)) {
		spin_unlock_irq(&phba->hbalock);
		return -EIO;
	}
	status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
	if (psli->num_rings > 0)
		status |= HC_R0INT_ENA;
	if (psli->num_rings > 1)
		status |= HC_R1INT_ENA;
	if (psli->num_rings > 2)
		status |= HC_R2INT_ENA;
	if (psli->num_rings > 3)
		status |= HC_R3INT_ENA;

	if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
	    (phba->cfg_poll & DISABLE_FCP_RING_INT))
		status &= ~(HC_R0INT_ENA);

	writel(status, phba->HCregaddr);
	readl(phba->HCregaddr); /* flush */
	spin_unlock_irq(&phba->hbalock);

	/* Set up ring-0 (ELS) timer */
	timeout = phba->fc_ratov * 2;
	mod_timer(&vport->els_tmofunc,
		  jiffies + msecs_to_jiffies(1000 * timeout));
	/* Set up heart beat (HB) timer */
	mod_timer(&phba->hb_tmofunc,
		  jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
	phba->hb_outstanding = 0;
	phba->last_completion_time = jiffies;
	/* Set up error attention (ERATT) polling timer */
	mod_timer(&phba->eratt_poll,
		  jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval));

	if (phba->hba_flag & LINK_DISABLED) {
		lpfc_printf_log(phba,
			KERN_ERR, LOG_INIT,
			"2598 Adapter Link is disabled.\n");
		lpfc_down_link(phba, pmb);
		pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
		if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
			lpfc_printf_log(phba,
			KERN_ERR, LOG_INIT,
			"2599 Adapter failed to issue DOWN_LINK"
			" mbox command rc 0x%x\n", rc);

			mempool_free(pmb, phba->mbox_mem_pool);
			return -EIO;
		}
	} else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
		mempool_free(pmb, phba->mbox_mem_pool);
		rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
		if (rc)
			return rc;
	}
	/* MBOX buffer will be freed in mbox compl */
	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		phba->link_state = LPFC_HBA_ERROR;
		return -ENOMEM;
	}

	lpfc_config_async(phba, pmb, LPFC_ELS_RING);
	pmb->mbox_cmpl = lpfc_config_async_cmpl;
	pmb->vport = phba->pport;
	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);

	if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
		lpfc_printf_log(phba,
				KERN_ERR,
				LOG_INIT,
				"0456 Adapter failed to issue "
				"ASYNCEVT_ENABLE mbox status x%x\n",
				rc);
		mempool_free(pmb, phba->mbox_mem_pool);
	}

	/* Get Option rom version */
	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		phba->link_state = LPFC_HBA_ERROR;
		return -ENOMEM;
	}

	lpfc_dump_wakeup_param(phba, pmb);
	pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
	pmb->vport = phba->pport;
	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);

	if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
				"to get Option ROM version status x%x\n", rc);
		mempool_free(pmb, phba->mbox_mem_pool);
	}

	return 0;
}

/**
 * lpfc_hba_init_link - Initialize the FC link
 * @phba: pointer to lpfc hba data structure.
 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
 *
 * This routine will issue the INIT_LINK mailbox command call.
 * It is available to other drivers through the lpfc_hba data
 * structure for use as a delayed link up mechanism with the
 * module parameter lpfc_suppress_link_up.
 *
 * Return code
 *		0 - success
 *		Any other value - error
 **/
static int
lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
{
	return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
}

/**
 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
 * @phba: pointer to lpfc hba data structure.
 * @fc_topology: desired fc topology.
 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
 *
 * This routine will issue the INIT_LINK mailbox command call.
 * It is available to other drivers through the lpfc_hba data
 * structure for use as a delayed link up mechanism with the
 * module parameter lpfc_suppress_link_up.
 *
 * Return code
 *              0 - success
 *              Any other value - error
 **/
int
lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
			       uint32_t flag)
{
	struct lpfc_vport *vport = phba->pport;
	LPFC_MBOXQ_t *pmb;
	MAILBOX_t *mb;
	int rc;

	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		phba->link_state = LPFC_HBA_ERROR;
		return -ENOMEM;
	}
	mb = &pmb->u.mb;
	pmb->vport = vport;

	if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
	     !(phba->lmt & LMT_1Gb)) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
	     !(phba->lmt & LMT_2Gb)) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
	     !(phba->lmt & LMT_4Gb)) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
	     !(phba->lmt & LMT_8Gb)) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
	     !(phba->lmt & LMT_10Gb)) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
	     !(phba->lmt & LMT_16Gb)) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_32G) &&
	     !(phba->lmt & LMT_32Gb)) ||
	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_64G) &&
	     !(phba->lmt & LMT_64Gb))) {
		/* Reset link speed to auto */
		lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
			"1302 Invalid speed for this board:%d "
			"Reset link speed to auto.\n",
			phba->cfg_link_speed);
			phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
	}
	lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
	if (phba->sli_rev < LPFC_SLI_REV4)
		lpfc_set_loopback_flag(phba);
	rc = lpfc_sli_issue_mbox(phba, pmb, flag);
	if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"0498 Adapter failed to init, mbxCmd x%x "
			"INIT_LINK, mbxStatus x%x\n",
			mb->mbxCommand, mb->mbxStatus);
		if (phba->sli_rev <= LPFC_SLI_REV3) {
			/* Clear all interrupt enable conditions */
			writel(0, phba->HCregaddr);
			readl(phba->HCregaddr); /* flush */
			/* Clear all pending interrupts */
			writel(0xffffffff, phba->HAregaddr);
			readl(phba->HAregaddr); /* flush */
		}
		phba->link_state = LPFC_HBA_ERROR;
		if (rc != MBX_BUSY || flag == MBX_POLL)
			mempool_free(pmb, phba->mbox_mem_pool);
		return -EIO;
	}
	phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
	if (flag == MBX_POLL)
		mempool_free(pmb, phba->mbox_mem_pool);

	return 0;
}

/**
 * lpfc_hba_down_link - this routine downs the FC link
 * @phba: pointer to lpfc hba data structure.
 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
 *
 * This routine will issue the DOWN_LINK mailbox command call.
 * It is available to other drivers through the lpfc_hba data
 * structure for use to stop the link.
 *
 * Return code
 *		0 - success
 *		Any other value - error
 **/
static int
lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
{
	LPFC_MBOXQ_t *pmb;
	int rc;

	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		phba->link_state = LPFC_HBA_ERROR;
		return -ENOMEM;
	}

	lpfc_printf_log(phba,
		KERN_ERR, LOG_INIT,
		"0491 Adapter Link is disabled.\n");
	lpfc_down_link(phba, pmb);
	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
	rc = lpfc_sli_issue_mbox(phba, pmb, flag);
	if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
		lpfc_printf_log(phba,
		KERN_ERR, LOG_INIT,
		"2522 Adapter failed to issue DOWN_LINK"
		" mbox command rc 0x%x\n", rc);

		mempool_free(pmb, phba->mbox_mem_pool);
		return -EIO;
	}
	if (flag == MBX_POLL)
		mempool_free(pmb, phba->mbox_mem_pool);

	return 0;
}

/**
 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine will do LPFC uninitialization before the HBA is reset when
 * bringing down the SLI Layer.
 *
 * Return codes
 *   0 - success.
 *   Any other value - error.
 **/
int
lpfc_hba_down_prep(struct lpfc_hba *phba)
{
	struct lpfc_vport **vports;
	int i;

	if (phba->sli_rev <= LPFC_SLI_REV3) {
		/* Disable interrupts */
		writel(0, phba->HCregaddr);
		readl(phba->HCregaddr); /* flush */
	}

	if (phba->pport->load_flag & FC_UNLOADING)
		lpfc_cleanup_discovery_resources(phba->pport);
	else {
		vports = lpfc_create_vport_work_array(phba);
		if (vports != NULL)
			for (i = 0; i <= phba->max_vports &&
				vports[i] != NULL; i++)
				lpfc_cleanup_discovery_resources(vports[i]);
		lpfc_destroy_vport_work_array(phba, vports);
	}
	return 0;
}

/**
 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
 * rspiocb which got deferred
 *
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine will cleanup completed slow path events after HBA is reset
 * when bringing down the SLI Layer.
 *
 *
 * Return codes
 *   void.
 **/
static void
lpfc_sli4_free_sp_events(struct lpfc_hba *phba)
{
	struct lpfc_iocbq *rspiocbq;
	struct hbq_dmabuf *dmabuf;
	struct lpfc_cq_event *cq_event;

	spin_lock_irq(&phba->hbalock);
	phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
	spin_unlock_irq(&phba->hbalock);

	while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
		/* Get the response iocb from the head of work queue */
		spin_lock_irq(&phba->hbalock);
		list_remove_head(&phba->sli4_hba.sp_queue_event,
				 cq_event, struct lpfc_cq_event, list);
		spin_unlock_irq(&phba->hbalock);

		switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) {
		case CQE_CODE_COMPL_WQE:
			rspiocbq = container_of(cq_event, struct lpfc_iocbq,
						 cq_event);
			lpfc_sli_release_iocbq(phba, rspiocbq);
			break;
		case CQE_CODE_RECEIVE:
		case CQE_CODE_RECEIVE_V1:
			dmabuf = container_of(cq_event, struct hbq_dmabuf,
					      cq_event);
			lpfc_in_buf_free(phba, &dmabuf->dbuf);
		}
	}
}

/**
 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine will cleanup posted ELS buffers after the HBA is reset
 * when bringing down the SLI Layer.
 *
 *
 * Return codes
 *   void.
 **/
static void
lpfc_hba_free_post_buf(struct lpfc_hba *phba)
{
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring *pring;
	struct lpfc_dmabuf *mp, *next_mp;
	LIST_HEAD(buflist);
	int count;

	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
		lpfc_sli_hbqbuf_free_all(phba);
	else {
		/* Cleanup preposted buffers on the ELS ring */
		pring = &psli->sli3_ring[LPFC_ELS_RING];
		spin_lock_irq(&phba->hbalock);
		list_splice_init(&pring->postbufq, &buflist);
		spin_unlock_irq(&phba->hbalock);

		count = 0;
		list_for_each_entry_safe(mp, next_mp, &buflist, list) {
			list_del(&mp->list);
			count++;
			lpfc_mbuf_free(phba, mp->virt, mp->phys);
			kfree(mp);
		}

		spin_lock_irq(&phba->hbalock);
		pring->postbufq_cnt -= count;
		spin_unlock_irq(&phba->hbalock);
	}
}

/**
 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine will cleanup the txcmplq after the HBA is reset when bringing
 * down the SLI Layer.
 *
 * Return codes
 *   void
 **/
static void
lpfc_hba_clean_txcmplq(struct lpfc_hba *phba)
{
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_queue *qp = NULL;
	struct lpfc_sli_ring *pring;
	LIST_HEAD(completions);
	int i;
	struct lpfc_iocbq *piocb, *next_iocb;

	if (phba->sli_rev != LPFC_SLI_REV4) {
		for (i = 0; i < psli->num_rings; i++) {
			pring = &psli->sli3_ring[i];
			spin_lock_irq(&phba->hbalock);
			/* At this point in time the HBA is either reset or DOA
			 * Nothing should be on txcmplq as it will
			 * NEVER complete.
			 */
			list_splice_init(&pring->txcmplq, &completions);
			pring->txcmplq_cnt = 0;
			spin_unlock_irq(&phba->hbalock);

			lpfc_sli_abort_iocb_ring(phba, pring);
		}
		/* Cancel all the IOCBs from the completions list */
		lpfc_sli_cancel_iocbs(phba, &completions,
				      IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED);
		return;
	}
	list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
		pring = qp->pring;
		if (!pring)
			continue;
		spin_lock_irq(&pring->ring_lock);
		list_for_each_entry_safe(piocb, next_iocb,
					 &pring->txcmplq, list)
			piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ;
		list_splice_init(&pring->txcmplq, &completions);
		pring->txcmplq_cnt = 0;
		spin_unlock_irq(&pring->ring_lock);
		lpfc_sli_abort_iocb_ring(phba, pring);
	}
	/* Cancel all the IOCBs from the completions list */
	lpfc_sli_cancel_iocbs(phba, &completions,
			      IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED);
}

/**
 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
	int i;
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine will do uninitialization after the HBA is reset when bring
 * down the SLI Layer.
 *
 * Return codes
 *   0 - success.
 *   Any other value - error.
 **/
static int
lpfc_hba_down_post_s3(struct lpfc_hba *phba)
{
	lpfc_hba_free_post_buf(phba);
	lpfc_hba_clean_txcmplq(phba);
	return 0;
}

/**
 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine will do uninitialization after the HBA is reset when bring
 * down the SLI Layer.
 *
 * Return codes
 *   0 - success.
 *   Any other value - error.
 **/
static int
lpfc_hba_down_post_s4(struct lpfc_hba *phba)
{
	struct lpfc_scsi_buf *psb, *psb_next;
	struct lpfc_nvmet_rcv_ctx *ctxp, *ctxp_next;
	LIST_HEAD(aborts);
	LIST_HEAD(nvme_aborts);
	LIST_HEAD(nvmet_aborts);
	unsigned long iflag = 0;
	struct lpfc_sglq *sglq_entry = NULL;
	int cnt;


	lpfc_sli_hbqbuf_free_all(phba);
	lpfc_hba_clean_txcmplq(phba);

	/* At this point in time the HBA is either reset or DOA. Either
	 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
	 * on the lpfc_els_sgl_list so that it can either be freed if the
	 * driver is unloading or reposted if the driver is restarting
	 * the port.
	 */
	spin_lock_irq(&phba->hbalock);  /* required for lpfc_els_sgl_list and */
					/* scsl_buf_list */
	/* sgl_list_lock required because worker thread uses this
	 * list.
	 */
	spin_lock(&phba->sli4_hba.sgl_list_lock);
	list_for_each_entry(sglq_entry,
		&phba->sli4_hba.lpfc_abts_els_sgl_list, list)
		sglq_entry->state = SGL_FREED;

	list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
			&phba->sli4_hba.lpfc_els_sgl_list);


	spin_unlock(&phba->sli4_hba.sgl_list_lock);
	/* abts_scsi_buf_list_lock required because worker thread uses this
	 * list.
	 */
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
		spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
		list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
				 &aborts);
		spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
	}

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
		spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
		list_splice_init(&phba->sli4_hba.lpfc_abts_nvme_buf_list,
				 &nvme_aborts);
		list_splice_init(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
				 &nvmet_aborts);
		spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
	}

	spin_unlock_irq(&phba->hbalock);

	list_for_each_entry_safe(psb, psb_next, &aborts, list) {
		psb->pCmd = NULL;
		psb->status = IOSTAT_SUCCESS;
	}
	spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag);
	list_splice(&aborts, &phba->lpfc_scsi_buf_list_put);
	spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag);

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
		cnt = 0;
		list_for_each_entry_safe(psb, psb_next, &nvme_aborts, list) {
			psb->pCmd = NULL;
			psb->status = IOSTAT_SUCCESS;
			cnt++;
		}
		spin_lock_irqsave(&phba->nvme_buf_list_put_lock, iflag);
		phba->put_nvme_bufs += cnt;
		list_splice(&nvme_aborts, &phba->lpfc_nvme_buf_list_put);
		spin_unlock_irqrestore(&phba->nvme_buf_list_put_lock, iflag);

		list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) {
			ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP);
			lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
		}
	}

	lpfc_sli4_free_sp_events(phba);
	return 0;
}

/**
 * lpfc_hba_down_post - Wrapper func for hba down post routine
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine wraps the actual SLI3 or SLI4 routine for performing
 * uninitialization after the HBA is reset when bring down the SLI Layer.
 *
 * Return codes
 *   0 - success.
 *   Any other value - error.
 **/
int
lpfc_hba_down_post(struct lpfc_hba *phba)
{
	return (*phba->lpfc_hba_down_post)(phba);
}

/**
 * lpfc_hb_timeout - The HBA-timer timeout handler
 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
 *
 * This is the HBA-timer timeout handler registered to the lpfc driver. When
 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
 * work-port-events bitmap and the worker thread is notified. This timeout
 * event will be used by the worker thread to invoke the actual timeout
 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
 * be performed in the timeout handler and the HBA timeout event bit shall
 * be cleared by the worker thread after it has taken the event bitmap out.
 **/
static void
lpfc_hb_timeout(struct timer_list *t)
{
	struct lpfc_hba *phba;
	uint32_t tmo_posted;
	unsigned long iflag;

	phba = from_timer(phba, t, hb_tmofunc);

	/* Check for heart beat timeout conditions */
	spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
	tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
	if (!tmo_posted)
		phba->pport->work_port_events |= WORKER_HB_TMO;
	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);

	/* Tell the worker thread there is work to do */
	if (!tmo_posted)
		lpfc_worker_wake_up(phba);
	return;
}

/**
 * lpfc_rrq_timeout - The RRQ-timer timeout handler
 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
 *
 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
 * work-port-events bitmap and the worker thread is notified. This timeout
 * event will be used by the worker thread to invoke the actual timeout
 * handler routine, lpfc_rrq_handler. Any periodical operations will
 * be performed in the timeout handler and the RRQ timeout event bit shall
 * be cleared by the worker thread after it has taken the event bitmap out.
 **/
static void
lpfc_rrq_timeout(struct timer_list *t)
{
	struct lpfc_hba *phba;
	unsigned long iflag;

	phba = from_timer(phba, t, rrq_tmr);
	spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
	if (!(phba->pport->load_flag & FC_UNLOADING))
		phba->hba_flag |= HBA_RRQ_ACTIVE;
	else
		phba->hba_flag &= ~HBA_RRQ_ACTIVE;
	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);

	if (!(phba->pport->load_flag & FC_UNLOADING))
		lpfc_worker_wake_up(phba);
}

/**
 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
 * @phba: pointer to lpfc hba data structure.
 * @pmboxq: pointer to the driver internal queue element for mailbox command.
 *
 * This is the callback function to the lpfc heart-beat mailbox command.
 * If configured, the lpfc driver issues the heart-beat mailbox command to
 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
 * heart-beat mailbox command is issued, the driver shall set up heart-beat
 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
 * heart-beat outstanding state. Once the mailbox command comes back and
 * no error conditions detected, the heart-beat mailbox command timer is
 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
 * state is cleared for the next heart-beat. If the timer expired with the
 * heart-beat outstanding state set, the driver will put the HBA offline.
 **/
static void
lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
{
	unsigned long drvr_flag;

	spin_lock_irqsave(&phba->hbalock, drvr_flag);
	phba->hb_outstanding = 0;
	spin_unlock_irqrestore(&phba->hbalock, drvr_flag);

	/* Check and reset heart-beat timer is necessary */
	mempool_free(pmboxq, phba->mbox_mem_pool);
	if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
		!(phba->link_state == LPFC_HBA_ERROR) &&
		!(phba->pport->load_flag & FC_UNLOADING))
		mod_timer(&phba->hb_tmofunc,
			  jiffies +
			  msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
	return;
}

/**
 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
 * @phba: pointer to lpfc hba data structure.
 *
 * This is the actual HBA-timer timeout handler to be invoked by the worker
 * thread whenever the HBA timer fired and HBA-timeout event posted. This
 * handler performs any periodic operations needed for the device. If such
 * periodic event has already been attended to either in the interrupt handler
 * or by processing slow-ring or fast-ring events within the HBA-timer
 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
 * the timer for the next timeout period. If lpfc heart-beat mailbox command
 * is configured and there is no heart-beat mailbox command outstanding, a
 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
 * has been a heart-beat mailbox command outstanding, the HBA shall be put
 * to offline.
 **/
void
lpfc_hb_timeout_handler(struct lpfc_hba *phba)
{
	struct lpfc_vport **vports;
	LPFC_MBOXQ_t *pmboxq;
	struct lpfc_dmabuf *buf_ptr;
	int retval, i;
	struct lpfc_sli *psli = &phba->sli;
	LIST_HEAD(completions);
	struct lpfc_queue *qp;
	unsigned long time_elapsed;
	uint32_t tick_cqe, max_cqe, val;
	uint64_t tot, data1, data2, data3;
	struct lpfc_nvmet_tgtport *tgtp;
	struct lpfc_register reg_data;
	struct nvme_fc_local_port *localport;
	struct lpfc_nvme_lport *lport;
	struct lpfc_nvme_ctrl_stat *cstat;
	void __iomem *eqdreg = phba->sli4_hba.u.if_type2.EQDregaddr;

	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
			lpfc_rcv_seq_check_edtov(vports[i]);
			lpfc_fdmi_num_disc_check(vports[i]);
		}
	lpfc_destroy_vport_work_array(phba, vports);

	if ((phba->link_state == LPFC_HBA_ERROR) ||
		(phba->pport->load_flag & FC_UNLOADING) ||
		(phba->pport->fc_flag & FC_OFFLINE_MODE))
		return;

	if (phba->cfg_auto_imax) {
		if (!phba->last_eqdelay_time) {
			phba->last_eqdelay_time = jiffies;
			goto skip_eqdelay;
		}
		time_elapsed = jiffies - phba->last_eqdelay_time;
		phba->last_eqdelay_time = jiffies;

		tot = 0xffff;
		/* Check outstanding IO count */
		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
			if (phba->nvmet_support) {
				tgtp = phba->targetport->private;
				/* Calculate outstanding IOs */
				tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
				tot += atomic_read(&tgtp->xmt_fcp_release);
				tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
			} else {
				localport = phba->pport->localport;
				if (!localport || !localport->private)
					goto skip_eqdelay;
				lport = (struct lpfc_nvme_lport *)
					localport->private;
				tot = 0;
				for (i = 0;
					i < phba->cfg_nvme_io_channel; i++) {
					cstat = &lport->cstat[i];
					data1 = atomic_read(
						&cstat->fc4NvmeInputRequests);
					data2 = atomic_read(
						&cstat->fc4NvmeOutputRequests);
					data3 = atomic_read(
						&cstat->fc4NvmeControlRequests);
					tot += (data1 + data2 + data3);
					tot -= atomic_read(
						&cstat->fc4NvmeIoCmpls);
				}
			}
		}

		/* Interrupts per sec per EQ */
		val = phba->cfg_fcp_imax / phba->io_channel_irqs;
		tick_cqe = val / CONFIG_HZ; /* Per tick per EQ */

		/* Assume 1 CQE/ISR, calc max CQEs allowed for time duration */
		max_cqe = time_elapsed * tick_cqe;

		for (i = 0; i < phba->io_channel_irqs; i++) {
			/* Fast-path EQ */
			qp = phba->sli4_hba.hba_eq[i];
			if (!qp)
				continue;

			/* Use no EQ delay if we don't have many outstanding
			 * IOs, or if we are only processing 1 CQE/ISR or less.
			 * Otherwise, assume we can process up to lpfc_fcp_imax
			 * interrupts per HBA.
			 */
			if (tot < LPFC_NODELAY_MAX_IO ||
			    qp->EQ_cqe_cnt <= max_cqe)
				val = 0;
			else
				val = phba->cfg_fcp_imax;

			if (phba->sli.sli_flag & LPFC_SLI_USE_EQDR) {
				/* Use EQ Delay Register method */

				/* Convert for EQ Delay register */
				if (val) {
					/* First, interrupts per sec per EQ */
					val = phba->cfg_fcp_imax /
						phba->io_channel_irqs;

					/* us delay between each interrupt */
					val = LPFC_SEC_TO_USEC / val;
				}
				if (val != qp->q_mode) {
					reg_data.word0 = 0;
					bf_set(lpfc_sliport_eqdelay_id,
					       &reg_data, qp->queue_id);
					bf_set(lpfc_sliport_eqdelay_delay,
					       &reg_data, val);
					writel(reg_data.word0, eqdreg);
				}
			} else {
				/* Use mbox command method */
				if (val != qp->q_mode)
					lpfc_modify_hba_eq_delay(phba, i,
								 1, val);
			}

			/*
			 * val is cfg_fcp_imax or 0 for mbox delay or us delay
			 * between interrupts for EQDR.
			 */
			qp->q_mode = val;
			qp->EQ_cqe_cnt = 0;
		}
	}

skip_eqdelay:
	spin_lock_irq(&phba->pport->work_port_lock);

	if (time_after(phba->last_completion_time +
			msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
			jiffies)) {
		spin_unlock_irq(&phba->pport->work_port_lock);
		if (!phba->hb_outstanding)
			mod_timer(&phba->hb_tmofunc,
				jiffies +
				msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
		else
			mod_timer(&phba->hb_tmofunc,
				jiffies +
				msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
		return;
	}
	spin_unlock_irq(&phba->pport->work_port_lock);

	if (phba->elsbuf_cnt &&
		(phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
		spin_lock_irq(&phba->hbalock);
		list_splice_init(&phba->elsbuf, &completions);
		phba->elsbuf_cnt = 0;
		phba->elsbuf_prev_cnt = 0;
		spin_unlock_irq(&phba->hbalock);

		while (!list_empty(&completions)) {
			list_remove_head(&completions, buf_ptr,
				struct lpfc_dmabuf, list);
			lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
			kfree(buf_ptr);
		}
	}
	phba->elsbuf_prev_cnt = phba->elsbuf_cnt;

	/* If there is no heart beat outstanding, issue a heartbeat command */
	if (phba->cfg_enable_hba_heartbeat) {
		if (!phba->hb_outstanding) {
			if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
				(list_empty(&psli->mboxq))) {
				pmboxq = mempool_alloc(phba->mbox_mem_pool,
							GFP_KERNEL);
				if (!pmboxq) {
					mod_timer(&phba->hb_tmofunc,
						 jiffies +
						 msecs_to_jiffies(1000 *
						 LPFC_HB_MBOX_INTERVAL));
					return;
				}

				lpfc_heart_beat(phba, pmboxq);
				pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
				pmboxq->vport = phba->pport;
				retval = lpfc_sli_issue_mbox(phba, pmboxq,
						MBX_NOWAIT);

				if (retval != MBX_BUSY &&
					retval != MBX_SUCCESS) {
					mempool_free(pmboxq,
							phba->mbox_mem_pool);
					mod_timer(&phba->hb_tmofunc,
						jiffies +
						msecs_to_jiffies(1000 *
						LPFC_HB_MBOX_INTERVAL));
					return;
				}
				phba->skipped_hb = 0;
				phba->hb_outstanding = 1;
			} else if (time_before_eq(phba->last_completion_time,
					phba->skipped_hb)) {
				lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
					"2857 Last completion time not "
					" updated in %d ms\n",
					jiffies_to_msecs(jiffies
						 - phba->last_completion_time));
			} else
				phba->skipped_hb = jiffies;

			mod_timer(&phba->hb_tmofunc,
				 jiffies +
				 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
			return;
		} else {
			/*
			* If heart beat timeout called with hb_outstanding set
			* we need to give the hb mailbox cmd a chance to
			* complete or TMO.
			*/
			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
					"0459 Adapter heartbeat still out"
					"standing:last compl time was %d ms.\n",
					jiffies_to_msecs(jiffies
						 - phba->last_completion_time));
			mod_timer(&phba->hb_tmofunc,
				jiffies +
				msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
		}
	} else {
			mod_timer(&phba->hb_tmofunc,
				jiffies +
				msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
	}
}

/**
 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to bring the HBA offline when HBA hardware error
 * other than Port Error 6 has been detected.
 **/
static void
lpfc_offline_eratt(struct lpfc_hba *phba)
{
	struct lpfc_sli   *psli = &phba->sli;

	spin_lock_irq(&phba->hbalock);
	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
	spin_unlock_irq(&phba->hbalock);
	lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);

	lpfc_offline(phba);
	lpfc_reset_barrier(phba);
	spin_lock_irq(&phba->hbalock);
	lpfc_sli_brdreset(phba);
	spin_unlock_irq(&phba->hbalock);
	lpfc_hba_down_post(phba);
	lpfc_sli_brdready(phba, HS_MBRDY);
	lpfc_unblock_mgmt_io(phba);
	phba->link_state = LPFC_HBA_ERROR;
	return;
}

/**
 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
 * other than Port Error 6 has been detected.
 **/
void
lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
{
	spin_lock_irq(&phba->hbalock);
	phba->link_state = LPFC_HBA_ERROR;
	spin_unlock_irq(&phba->hbalock);

	lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
	lpfc_offline(phba);
	lpfc_hba_down_post(phba);
	lpfc_unblock_mgmt_io(phba);
}

/**
 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to handle the deferred HBA hardware error
 * conditions. This type of error is indicated by HBA by setting ER1
 * and another ER bit in the host status register. The driver will
 * wait until the ER1 bit clears before handling the error condition.
 **/
static void
lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
{
	uint32_t old_host_status = phba->work_hs;
	struct lpfc_sli *psli = &phba->sli;

	/* If the pci channel is offline, ignore possible errors,
	 * since we cannot communicate with the pci card anyway.
	 */
	if (pci_channel_offline(phba->pcidev)) {
		spin_lock_irq(&phba->hbalock);
		phba->hba_flag &= ~DEFER_ERATT;
		spin_unlock_irq(&phba->hbalock);
		return;
	}

	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
		"0479 Deferred Adapter Hardware Error "
		"Data: x%x x%x x%x\n",
		phba->work_hs,
		phba->work_status[0], phba->work_status[1]);

	spin_lock_irq(&phba->hbalock);
	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
	spin_unlock_irq(&phba->hbalock);


	/*
	 * Firmware stops when it triggred erratt. That could cause the I/Os
	 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
	 * SCSI layer retry it after re-establishing link.
	 */
	lpfc_sli_abort_fcp_rings(phba);

	/*
	 * There was a firmware error. Take the hba offline and then
	 * attempt to restart it.
	 */
	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
	lpfc_offline(phba);

	/* Wait for the ER1 bit to clear.*/
	while (phba->work_hs & HS_FFER1) {
		msleep(100);
		if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
			phba->work_hs = UNPLUG_ERR ;
			break;
		}
		/* If driver is unloading let the worker thread continue */
		if (phba->pport->load_flag & FC_UNLOADING) {
			phba->work_hs = 0;
			break;
		}
	}

	/*
	 * This is to ptrotect against a race condition in which
	 * first write to the host attention register clear the
	 * host status register.
	 */
	if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
		phba->work_hs = old_host_status & ~HS_FFER1;

	spin_lock_irq(&phba->hbalock);
	phba->hba_flag &= ~DEFER_ERATT;
	spin_unlock_irq(&phba->hbalock);
	phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
	phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
}

static void
lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
{
	struct lpfc_board_event_header board_event;
	struct Scsi_Host *shost;

	board_event.event_type = FC_REG_BOARD_EVENT;
	board_event.subcategory = LPFC_EVENT_PORTINTERR;
	shost = lpfc_shost_from_vport(phba->pport);
	fc_host_post_vendor_event(shost, fc_get_event_number(),
				  sizeof(board_event),
				  (char *) &board_event,
				  LPFC_NL_VENDOR_ID);
}

/**
 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to handle the following HBA hardware error
 * conditions:
 * 1 - HBA error attention interrupt
 * 2 - DMA ring index out of range
 * 3 - Mailbox command came back as unknown
 **/
static void
lpfc_handle_eratt_s3(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
	uint32_t event_data;
	unsigned long temperature;
	struct temp_event temp_event_data;
	struct Scsi_Host  *shost;

	/* If the pci channel is offline, ignore possible errors,
	 * since we cannot communicate with the pci card anyway.
	 */
	if (pci_channel_offline(phba->pcidev)) {
		spin_lock_irq(&phba->hbalock);
		phba->hba_flag &= ~DEFER_ERATT;
		spin_unlock_irq(&phba->hbalock);
		return;
	}

	/* If resets are disabled then leave the HBA alone and return */
	if (!phba->cfg_enable_hba_reset)
		return;

	/* Send an internal error event to mgmt application */
	lpfc_board_errevt_to_mgmt(phba);

	if (phba->hba_flag & DEFER_ERATT)
		lpfc_handle_deferred_eratt(phba);

	if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
		if (phba->work_hs & HS_FFER6)
			/* Re-establishing Link */
			lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
					"1301 Re-establishing Link "
					"Data: x%x x%x x%x\n",
					phba->work_hs, phba->work_status[0],
					phba->work_status[1]);
		if (phba->work_hs & HS_FFER8)
			/* Device Zeroization */
			lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
					"2861 Host Authentication device "
					"zeroization Data:x%x x%x x%x\n",
					phba->work_hs, phba->work_status[0],
					phba->work_status[1]);

		spin_lock_irq(&phba->hbalock);
		psli->sli_flag &= ~LPFC_SLI_ACTIVE;
		spin_unlock_irq(&phba->hbalock);

		/*
		* Firmware stops when it triggled erratt with HS_FFER6.
		* That could cause the I/Os dropped by the firmware.
		* Error iocb (I/O) on txcmplq and let the SCSI layer
		* retry it after re-establishing link.
		*/
		lpfc_sli_abort_fcp_rings(phba);

		/*
		 * There was a firmware error.  Take the hba offline and then
		 * attempt to restart it.
		 */
		lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
		lpfc_offline(phba);
		lpfc_sli_brdrestart(phba);
		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
			lpfc_unblock_mgmt_io(phba);
			return;
		}
		lpfc_unblock_mgmt_io(phba);
	} else if (phba->work_hs & HS_CRIT_TEMP) {
		temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
		temp_event_data.event_code = LPFC_CRIT_TEMP;
		temp_event_data.data = (uint32_t)temperature;

		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0406 Adapter maximum temperature exceeded "
				"(%ld), taking this port offline "
				"Data: x%x x%x x%x\n",
				temperature, phba->work_hs,
				phba->work_status[0], phba->work_status[1]);

		shost = lpfc_shost_from_vport(phba->pport);
		fc_host_post_vendor_event(shost, fc_get_event_number(),
					  sizeof(temp_event_data),
					  (char *) &temp_event_data,
					  SCSI_NL_VID_TYPE_PCI
					  | PCI_VENDOR_ID_EMULEX);

		spin_lock_irq(&phba->hbalock);
		phba->over_temp_state = HBA_OVER_TEMP;
		spin_unlock_irq(&phba->hbalock);
		lpfc_offline_eratt(phba);

	} else {
		/* The if clause above forces this code path when the status
		 * failure is a value other than FFER6. Do not call the offline
		 * twice. This is the adapter hardware error path.
		 */
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0457 Adapter Hardware Error "
				"Data: x%x x%x x%x\n",
				phba->work_hs,
				phba->work_status[0], phba->work_status[1]);

		event_data = FC_REG_DUMP_EVENT;
		shost = lpfc_shost_from_vport(vport);
		fc_host_post_vendor_event(shost, fc_get_event_number(),
				sizeof(event_data), (char *) &event_data,
				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);

		lpfc_offline_eratt(phba);
	}
	return;
}

/**
 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
 * @phba: pointer to lpfc hba data structure.
 * @mbx_action: flag for mailbox shutdown action.
 *
 * This routine is invoked to perform an SLI4 port PCI function reset in
 * response to port status register polling attention. It waits for port
 * status register (ERR, RDY, RN) bits before proceeding with function reset.
 * During this process, interrupt vectors are freed and later requested
 * for handling possible port resource change.
 **/
static int
lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action,
			    bool en_rn_msg)
{
	int rc;
	uint32_t intr_mode;

	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
	    LPFC_SLI_INTF_IF_TYPE_2) {
		/*
		 * On error status condition, driver need to wait for port
		 * ready before performing reset.
		 */
		rc = lpfc_sli4_pdev_status_reg_wait(phba);
		if (rc)
			return rc;
	}

	/* need reset: attempt for port recovery */
	if (en_rn_msg)
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2887 Reset Needed: Attempting Port "
				"Recovery...\n");
	lpfc_offline_prep(phba, mbx_action);
	lpfc_offline(phba);
	/* release interrupt for possible resource change */
	lpfc_sli4_disable_intr(phba);
	rc = lpfc_sli_brdrestart(phba);
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"6309 Failed to restart board\n");
		return rc;
	}
	/* request and enable interrupt */
	intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
	if (intr_mode == LPFC_INTR_ERROR) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3175 Failed to enable interrupt\n");
		return -EIO;
	}
	phba->intr_mode = intr_mode;
	rc = lpfc_online(phba);
	if (rc == 0)
		lpfc_unblock_mgmt_io(phba);

	return rc;
}

/**
 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to handle the SLI4 HBA hardware error attention
 * conditions.
 **/
static void
lpfc_handle_eratt_s4(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport = phba->pport;
	uint32_t event_data;
	struct Scsi_Host *shost;
	uint32_t if_type;
	struct lpfc_register portstat_reg = {0};
	uint32_t reg_err1, reg_err2;
	uint32_t uerrlo_reg, uemasklo_reg;
	uint32_t smphr_port_status = 0, pci_rd_rc1, pci_rd_rc2;
	bool en_rn_msg = true;
	struct temp_event temp_event_data;
	struct lpfc_register portsmphr_reg;
	int rc, i;

	/* If the pci channel is offline, ignore possible errors, since
	 * we cannot communicate with the pci card anyway.
	 */
	if (pci_channel_offline(phba->pcidev))
		return;

	memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
	switch (if_type) {
	case LPFC_SLI_INTF_IF_TYPE_0:
		pci_rd_rc1 = lpfc_readl(
				phba->sli4_hba.u.if_type0.UERRLOregaddr,
				&uerrlo_reg);
		pci_rd_rc2 = lpfc_readl(
				phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
				&uemasklo_reg);
		/* consider PCI bus read error as pci_channel_offline */
		if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
			return;
		if (!(phba->hba_flag & HBA_RECOVERABLE_UE)) {
			lpfc_sli4_offline_eratt(phba);
			return;
		}
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"7623 Checking UE recoverable");

		for (i = 0; i < phba->sli4_hba.ue_to_sr / 1000; i++) {
			if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
				       &portsmphr_reg.word0))
				continue;

			smphr_port_status = bf_get(lpfc_port_smphr_port_status,
						   &portsmphr_reg);
			if ((smphr_port_status & LPFC_PORT_SEM_MASK) ==
			    LPFC_PORT_SEM_UE_RECOVERABLE)
				break;
			/*Sleep for 1Sec, before checking SEMAPHORE */
			msleep(1000);
		}

		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"4827 smphr_port_status x%x : Waited %dSec",
				smphr_port_status, i);

		/* Recoverable UE, reset the HBA device */
		if ((smphr_port_status & LPFC_PORT_SEM_MASK) ==
		    LPFC_PORT_SEM_UE_RECOVERABLE) {
			for (i = 0; i < 20; i++) {
				msleep(1000);
				if (!lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
				    &portsmphr_reg.word0) &&
				    (LPFC_POST_STAGE_PORT_READY ==
				     bf_get(lpfc_port_smphr_port_status,
				     &portsmphr_reg))) {
					rc = lpfc_sli4_port_sta_fn_reset(phba,
						LPFC_MBX_NO_WAIT, en_rn_msg);
					if (rc == 0)
						return;
					lpfc_printf_log(phba,
						KERN_ERR, LOG_INIT,
						"4215 Failed to recover UE");
					break;
				}
			}
		}
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"7624 Firmware not ready: Failing UE recovery,"
				" waited %dSec", i);
		lpfc_sli4_offline_eratt(phba);
		break;

	case LPFC_SLI_INTF_IF_TYPE_2:
	case LPFC_SLI_INTF_IF_TYPE_6:
		pci_rd_rc1 = lpfc_readl(
				phba->sli4_hba.u.if_type2.STATUSregaddr,
				&portstat_reg.word0);
		/* consider PCI bus read error as pci_channel_offline */
		if (pci_rd_rc1 == -EIO) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3151 PCI bus read access failure: x%x\n",
				readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
			return;
		}
		reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
		reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
		if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2889 Port Overtemperature event, "
				"taking port offline Data: x%x x%x\n",
				reg_err1, reg_err2);

			phba->sfp_alarm |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE;
			temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
			temp_event_data.event_code = LPFC_CRIT_TEMP;
			temp_event_data.data = 0xFFFFFFFF;

			shost = lpfc_shost_from_vport(phba->pport);
			fc_host_post_vendor_event(shost, fc_get_event_number(),
						  sizeof(temp_event_data),
						  (char *)&temp_event_data,
						  SCSI_NL_VID_TYPE_PCI
						  | PCI_VENDOR_ID_EMULEX);

			spin_lock_irq(&phba->hbalock);
			phba->over_temp_state = HBA_OVER_TEMP;
			spin_unlock_irq(&phba->hbalock);
			lpfc_sli4_offline_eratt(phba);
			return;
		}
		if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
		    reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3143 Port Down: Firmware Update "
					"Detected\n");
			en_rn_msg = false;
		} else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
			 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3144 Port Down: Debug Dump\n");
		else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
			 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3145 Port Down: Provisioning\n");

		/* If resets are disabled then leave the HBA alone and return */
		if (!phba->cfg_enable_hba_reset)
			return;

		/* Check port status register for function reset */
		rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT,
				en_rn_msg);
		if (rc == 0) {
			/* don't report event on forced debug dump */
			if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
			    reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
				return;
			else
				break;
		}
		/* fall through for not able to recover */
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3152 Unrecoverable error, bring the port "
				"offline\n");
		lpfc_sli4_offline_eratt(phba);
		break;
	case LPFC_SLI_INTF_IF_TYPE_1:
	default:
		break;
	}
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
			"3123 Report dump event to upper layer\n");
	/* Send an internal error event to mgmt application */
	lpfc_board_errevt_to_mgmt(phba);

	event_data = FC_REG_DUMP_EVENT;
	shost = lpfc_shost_from_vport(vport);
	fc_host_post_vendor_event(shost, fc_get_event_number(),
				  sizeof(event_data), (char *) &event_data,
				  SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
}

/**
 * lpfc_handle_eratt - Wrapper func for handling hba error attention
 * @phba: pointer to lpfc HBA data structure.
 *
 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
 * routine from the API jump table function pointer from the lpfc_hba struct.
 *
 * Return codes
 *   0 - success.
 *   Any other value - error.
 **/
void
lpfc_handle_eratt(struct lpfc_hba *phba)
{
	(*phba->lpfc_handle_eratt)(phba);
}

/**
 * lpfc_handle_latt - The HBA link event handler
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked from the worker thread to handle a HBA host
 * attention link event. SLI3 only.
 **/
void
lpfc_handle_latt(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
	LPFC_MBOXQ_t *pmb;
	volatile uint32_t control;
	struct lpfc_dmabuf *mp;
	int rc = 0;

	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		rc = 1;
		goto lpfc_handle_latt_err_exit;
	}

	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
	if (!mp) {
		rc = 2;
		goto lpfc_handle_latt_free_pmb;
	}

	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
	if (!mp->virt) {
		rc = 3;
		goto lpfc_handle_latt_free_mp;
	}

	/* Cleanup any outstanding ELS commands */
	lpfc_els_flush_all_cmd(phba);

	psli->slistat.link_event++;
	lpfc_read_topology(phba, pmb, mp);
	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
	pmb->vport = vport;
	/* Block ELS IOCBs until we have processed this mbox command */
	phba->sli.sli3_ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
	rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
	if (rc == MBX_NOT_FINISHED) {
		rc = 4;
		goto lpfc_handle_latt_free_mbuf;
	}

	/* Clear Link Attention in HA REG */
	spin_lock_irq(&phba->hbalock);
	writel(HA_LATT, phba->HAregaddr);
	readl(phba->HAregaddr); /* flush */
	spin_unlock_irq(&phba->hbalock);

	return;

lpfc_handle_latt_free_mbuf:
	phba->sli.sli3_ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
	lpfc_mbuf_free(phba, mp->virt, mp->phys);
lpfc_handle_latt_free_mp:
	kfree(mp);
lpfc_handle_latt_free_pmb:
	mempool_free(pmb, phba->mbox_mem_pool);
lpfc_handle_latt_err_exit:
	/* Enable Link attention interrupts */
	spin_lock_irq(&phba->hbalock);
	psli->sli_flag |= LPFC_PROCESS_LA;
	control = readl(phba->HCregaddr);
	control |= HC_LAINT_ENA;
	writel(control, phba->HCregaddr);
	readl(phba->HCregaddr); /* flush */

	/* Clear Link Attention in HA REG */
	writel(HA_LATT, phba->HAregaddr);
	readl(phba->HAregaddr); /* flush */
	spin_unlock_irq(&phba->hbalock);
	lpfc_linkdown(phba);
	phba->link_state = LPFC_HBA_ERROR;

	lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
		     "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);

	return;
}

/**
 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
 * @phba: pointer to lpfc hba data structure.
 * @vpd: pointer to the vital product data.
 * @len: length of the vital product data in bytes.
 *
 * This routine parses the Vital Product Data (VPD). The VPD is treated as
 * an array of characters. In this routine, the ModelName, ProgramType, and
 * ModelDesc, etc. fields of the phba data structure will be populated.
 *
 * Return codes
 *   0 - pointer to the VPD passed in is NULL
 *   1 - success
 **/
int
lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
{
	uint8_t lenlo, lenhi;
	int Length;
	int i, j;
	int finished = 0;
	int index = 0;

	if (!vpd)
		return 0;

	/* Vital Product */
	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"0455 Vital Product Data: x%x x%x x%x x%x\n",
			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
			(uint32_t) vpd[3]);
	while (!finished && (index < (len - 4))) {
		switch (vpd[index]) {
		case 0x82:
		case 0x91:
			index += 1;
			lenlo = vpd[index];
			index += 1;
			lenhi = vpd[index];
			index += 1;
			i = ((((unsigned short)lenhi) << 8) + lenlo);
			index += i;
			break;
		case 0x90:
			index += 1;
			lenlo = vpd[index];
			index += 1;
			lenhi = vpd[index];
			index += 1;
			Length = ((((unsigned short)lenhi) << 8) + lenlo);
			if (Length > len - index)
				Length = len - index;
			while (Length > 0) {
			/* Look for Serial Number */
			if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
				index += 2;
				i = vpd[index];
				index += 1;
				j = 0;
				Length -= (3+i);
				while(i--) {
					phba->SerialNumber[j++] = vpd[index++];
					if (j == 31)
						break;
				}
				phba->SerialNumber[j] = 0;
				continue;
			}
			else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
				phba->vpd_flag |= VPD_MODEL_DESC;
				index += 2;
				i = vpd[index];
				index += 1;
				j = 0;
				Length -= (3+i);
				while(i--) {
					phba->ModelDesc[j++] = vpd[index++];
					if (j == 255)
						break;
				}
				phba->ModelDesc[j] = 0;
				continue;
			}
			else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
				phba->vpd_flag |= VPD_MODEL_NAME;
				index += 2;
				i = vpd[index];
				index += 1;
				j = 0;
				Length -= (3+i);
				while(i--) {
					phba->ModelName[j++] = vpd[index++];
					if (j == 79)
						break;
				}
				phba->ModelName[j] = 0;
				continue;
			}
			else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
				phba->vpd_flag |= VPD_PROGRAM_TYPE;
				index += 2;
				i = vpd[index];
				index += 1;
				j = 0;
				Length -= (3+i);
				while(i--) {
					phba->ProgramType[j++] = vpd[index++];
					if (j == 255)
						break;
				}
				phba->ProgramType[j] = 0;
				continue;
			}
			else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
				phba->vpd_flag |= VPD_PORT;
				index += 2;
				i = vpd[index];
				index += 1;
				j = 0;
				Length -= (3+i);
				while(i--) {
					if ((phba->sli_rev == LPFC_SLI_REV4) &&
					    (phba->sli4_hba.pport_name_sta ==
					     LPFC_SLI4_PPNAME_GET)) {
						j++;
						index++;
					} else
						phba->Port[j++] = vpd[index++];
					if (j == 19)
						break;
				}
				if ((phba->sli_rev != LPFC_SLI_REV4) ||
				    (phba->sli4_hba.pport_name_sta ==
				     LPFC_SLI4_PPNAME_NON))
					phba->Port[j] = 0;
				continue;
			}
			else {
				index += 2;
				i = vpd[index];
				index += 1;
				index += i;
				Length -= (3 + i);
			}
		}
		finished = 0;
		break;
		case 0x78:
			finished = 1;
			break;
		default:
			index ++;
			break;
		}
	}

	return(1);
}

/**
 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
 * @phba: pointer to lpfc hba data structure.
 * @mdp: pointer to the data structure to hold the derived model name.
 * @descp: pointer to the data structure to hold the derived description.
 *
 * This routine retrieves HBA's description based on its registered PCI device
 * ID. The @descp passed into this function points to an array of 256 chars. It
 * shall be returned with the model name, maximum speed, and the host bus type.
 * The @mdp passed into this function points to an array of 80 chars. When the
 * function returns, the @mdp will be filled with the model name.
 **/
static void
lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
{
	lpfc_vpd_t *vp;
	uint16_t dev_id = phba->pcidev->device;
	int max_speed;
	int GE = 0;
	int oneConnect = 0; /* default is not a oneConnect */
	struct {
		char *name;
		char *bus;
		char *function;
	} m = {"<Unknown>", "", ""};

	if (mdp && mdp[0] != '\0'
		&& descp && descp[0] != '\0')
		return;

	if (phba->lmt & LMT_64Gb)
		max_speed = 64;
	else if (phba->lmt & LMT_32Gb)
		max_speed = 32;
	else if (phba->lmt & LMT_16Gb)
		max_speed = 16;
	else if (phba->lmt & LMT_10Gb)
		max_speed = 10;
	else if (phba->lmt & LMT_8Gb)
		max_speed = 8;
	else if (phba->lmt & LMT_4Gb)
		max_speed = 4;
	else if (phba->lmt & LMT_2Gb)
		max_speed = 2;
	else if (phba->lmt & LMT_1Gb)
		max_speed = 1;
	else
		max_speed = 0;

	vp = &phba->vpd;

	switch (dev_id) {
	case PCI_DEVICE_ID_FIREFLY:
		m = (typeof(m)){"LP6000", "PCI",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SUPERFLY:
		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
			m = (typeof(m)){"LP7000", "PCI", ""};
		else
			m = (typeof(m)){"LP7000E", "PCI", ""};
		m.function = "Obsolete, Unsupported Fibre Channel Adapter";
		break;
	case PCI_DEVICE_ID_DRAGONFLY:
		m = (typeof(m)){"LP8000", "PCI",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_CENTAUR:
		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
			m = (typeof(m)){"LP9002", "PCI", ""};
		else
			m = (typeof(m)){"LP9000", "PCI", ""};
		m.function = "Obsolete, Unsupported Fibre Channel Adapter";
		break;
	case PCI_DEVICE_ID_RFLY:
		m = (typeof(m)){"LP952", "PCI",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_PEGASUS:
		m = (typeof(m)){"LP9802", "PCI-X",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_THOR:
		m = (typeof(m)){"LP10000", "PCI-X",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_VIPER:
		m = (typeof(m)){"LPX1000",  "PCI-X",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_PFLY:
		m = (typeof(m)){"LP982", "PCI-X",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_TFLY:
		m = (typeof(m)){"LP1050", "PCI-X",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_HELIOS:
		m = (typeof(m)){"LP11000", "PCI-X2",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_HELIOS_SCSP:
		m = (typeof(m)){"LP11000-SP", "PCI-X2",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_HELIOS_DCSP:
		m = (typeof(m)){"LP11002-SP",  "PCI-X2",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_NEPTUNE:
		m = (typeof(m)){"LPe1000", "PCIe",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_NEPTUNE_SCSP:
		m = (typeof(m)){"LPe1000-SP", "PCIe",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_NEPTUNE_DCSP:
		m = (typeof(m)){"LPe1002-SP", "PCIe",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_BMID:
		m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_BSMB:
		m = (typeof(m)){"LP111", "PCI-X2",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_ZEPHYR:
		m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_ZEPHYR_SCSP:
		m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_ZEPHYR_DCSP:
		m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
		GE = 1;
		break;
	case PCI_DEVICE_ID_ZMID:
		m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_ZSMB:
		m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LP101:
		m = (typeof(m)){"LP101", "PCI-X",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LP10000S:
		m = (typeof(m)){"LP10000-S", "PCI",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LP11000S:
		m = (typeof(m)){"LP11000-S", "PCI-X2",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LPE11000S:
		m = (typeof(m)){"LPe11000-S", "PCIe",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SAT:
		m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SAT_MID:
		m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SAT_SMB:
		m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SAT_DCSP:
		m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SAT_SCSP:
		m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SAT_S:
		m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_HORNET:
		m = (typeof(m)){"LP21000", "PCIe",
				"Obsolete, Unsupported FCoE Adapter"};
		GE = 1;
		break;
	case PCI_DEVICE_ID_PROTEUS_VF:
		m = (typeof(m)){"LPev12000", "PCIe IOV",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_PROTEUS_PF:
		m = (typeof(m)){"LPev12000", "PCIe IOV",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_PROTEUS_S:
		m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_TIGERSHARK:
		oneConnect = 1;
		m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
		break;
	case PCI_DEVICE_ID_TOMCAT:
		oneConnect = 1;
		m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
		break;
	case PCI_DEVICE_ID_FALCON:
		m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
				"EmulexSecure Fibre"};
		break;
	case PCI_DEVICE_ID_BALIUS:
		m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LANCER_FC:
		m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LANCER_FC_VF:
		m = (typeof(m)){"LPe16000", "PCIe",
				"Obsolete, Unsupported Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LANCER_FCOE:
		oneConnect = 1;
		m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
		break;
	case PCI_DEVICE_ID_LANCER_FCOE_VF:
		oneConnect = 1;
		m = (typeof(m)){"OCe15100", "PCIe",
				"Obsolete, Unsupported FCoE"};
		break;
	case PCI_DEVICE_ID_LANCER_G6_FC:
		m = (typeof(m)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_LANCER_G7_FC:
		m = (typeof(m)){"LPe36000", "PCIe", "Fibre Channel Adapter"};
		break;
	case PCI_DEVICE_ID_SKYHAWK:
	case PCI_DEVICE_ID_SKYHAWK_VF:
		oneConnect = 1;
		m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
		break;
	default:
		m = (typeof(m)){"Unknown", "", ""};
		break;
	}

	if (mdp && mdp[0] == '\0')
		snprintf(mdp, 79,"%s", m.name);
	/*
	 * oneConnect hba requires special processing, they are all initiators
	 * and we put the port number on the end
	 */
	if (descp && descp[0] == '\0') {
		if (oneConnect)
			snprintf(descp, 255,
				"Emulex OneConnect %s, %s Initiator %s",
				m.name, m.function,
				phba->Port);
		else if (max_speed == 0)
			snprintf(descp, 255,
				"Emulex %s %s %s",
				m.name, m.bus, m.function);
		else
			snprintf(descp, 255,
				"Emulex %s %d%s %s %s",
				m.name, max_speed, (GE) ? "GE" : "Gb",
				m.bus, m.function);
	}
}

/**
 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
 * @phba: pointer to lpfc hba data structure.
 * @pring: pointer to a IOCB ring.
 * @cnt: the number of IOCBs to be posted to the IOCB ring.
 *
 * This routine posts a given number of IOCBs with the associated DMA buffer
 * descriptors specified by the cnt argument to the given IOCB ring.
 *
 * Return codes
 *   The number of IOCBs NOT able to be posted to the IOCB ring.
 **/
int
lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
{
	IOCB_t *icmd;
	struct lpfc_iocbq *iocb;
	struct lpfc_dmabuf *mp1, *mp2;

	cnt += pring->missbufcnt;

	/* While there are buffers to post */
	while (cnt > 0) {
		/* Allocate buffer for  command iocb */
		iocb = lpfc_sli_get_iocbq(phba);
		if (iocb == NULL) {
			pring->missbufcnt = cnt;
			return cnt;
		}
		icmd = &iocb->iocb;

		/* 2 buffers can be posted per command */
		/* Allocate buffer to post */
		mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
		if (mp1)
		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
		if (!mp1 || !mp1->virt) {
			kfree(mp1);
			lpfc_sli_release_iocbq(phba, iocb);
			pring->missbufcnt = cnt;
			return cnt;
		}

		INIT_LIST_HEAD(&mp1->list);
		/* Allocate buffer to post */
		if (cnt > 1) {
			mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
			if (mp2)
				mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
							    &mp2->phys);
			if (!mp2 || !mp2->virt) {
				kfree(mp2);
				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
				kfree(mp1);
				lpfc_sli_release_iocbq(phba, iocb);
				pring->missbufcnt = cnt;
				return cnt;
			}

			INIT_LIST_HEAD(&mp2->list);
		} else {
			mp2 = NULL;
		}

		icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
		icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
		icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
		icmd->ulpBdeCount = 1;
		cnt--;
		if (mp2) {
			icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
			icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
			icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
			cnt--;
			icmd->ulpBdeCount = 2;
		}

		icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
		icmd->ulpLe = 1;

		if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
		    IOCB_ERROR) {
			lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
			kfree(mp1);
			cnt++;
			if (mp2) {
				lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
				kfree(mp2);
				cnt++;
			}
			lpfc_sli_release_iocbq(phba, iocb);
			pring->missbufcnt = cnt;
			return cnt;
		}
		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
		if (mp2)
			lpfc_sli_ringpostbuf_put(phba, pring, mp2);
	}
	pring->missbufcnt = 0;
	return 0;
}

/**
 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine posts initial receive IOCB buffers to the ELS ring. The
 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
 * set to 64 IOCBs. SLI3 only.
 *
 * Return codes
 *   0 - success (currently always success)
 **/
static int
lpfc_post_rcv_buf(struct lpfc_hba *phba)
{
	struct lpfc_sli *psli = &phba->sli;

	/* Ring 0, ELS / CT buffers */
	lpfc_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0);
	/* Ring 2 - FCP no buffers needed */

	return 0;
}

#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))

/**
 * lpfc_sha_init - Set up initial array of hash table entries
 * @HashResultPointer: pointer to an array as hash table.
 *
 * This routine sets up the initial values to the array of hash table entries
 * for the LC HBAs.
 **/
static void
lpfc_sha_init(uint32_t * HashResultPointer)
{
	HashResultPointer[0] = 0x67452301;
	HashResultPointer[1] = 0xEFCDAB89;
	HashResultPointer[2] = 0x98BADCFE;
	HashResultPointer[3] = 0x10325476;
	HashResultPointer[4] = 0xC3D2E1F0;
}

/**
 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
 * @HashResultPointer: pointer to an initial/result hash table.
 * @HashWorkingPointer: pointer to an working hash table.
 *
 * This routine iterates an initial hash table pointed by @HashResultPointer
 * with the values from the working hash table pointeed by @HashWorkingPointer.
 * The results are putting back to the initial hash table, returned through
 * the @HashResultPointer as the result hash table.
 **/
static void
lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
{
	int t;
	uint32_t TEMP;
	uint32_t A, B, C, D, E;
	t = 16;
	do {
		HashWorkingPointer[t] =
		    S(1,
		      HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
								     8] ^
		      HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
	} while (++t <= 79);
	t = 0;
	A = HashResultPointer[0];
	B = HashResultPointer[1];
	C = HashResultPointer[2];
	D = HashResultPointer[3];
	E = HashResultPointer[4];

	do {
		if (t < 20) {
			TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
		} else if (t < 40) {
			TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
		} else if (t < 60) {
			TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
		} else {
			TEMP = (B ^ C ^ D) + 0xCA62C1D6;
		}
		TEMP += S(5, A) + E + HashWorkingPointer[t];
		E = D;
		D = C;
		C = S(30, B);
		B = A;
		A = TEMP;
	} while (++t <= 79);

	HashResultPointer[0] += A;
	HashResultPointer[1] += B;
	HashResultPointer[2] += C;
	HashResultPointer[3] += D;
	HashResultPointer[4] += E;

}

/**
 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
 * @RandomChallenge: pointer to the entry of host challenge random number array.
 * @HashWorking: pointer to the entry of the working hash array.
 *
 * This routine calculates the working hash array referred by @HashWorking
 * from the challenge random numbers associated with the host, referred by
 * @RandomChallenge. The result is put into the entry of the working hash
 * array and returned by reference through @HashWorking.
 **/
static void
lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
{
	*HashWorking = (*RandomChallenge ^ *HashWorking);
}

/**
 * lpfc_hba_init - Perform special handling for LC HBA initialization
 * @phba: pointer to lpfc hba data structure.
 * @hbainit: pointer to an array of unsigned 32-bit integers.
 *
 * This routine performs the special handling for LC HBA initialization.
 **/
void
lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
{
	int t;
	uint32_t *HashWorking;
	uint32_t *pwwnn = (uint32_t *) phba->wwnn;

	HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
	if (!HashWorking)
		return;

	HashWorking[0] = HashWorking[78] = *pwwnn++;
	HashWorking[1] = HashWorking[79] = *pwwnn;

	for (t = 0; t < 7; t++)
		lpfc_challenge_key(phba->RandomData + t, HashWorking + t);

	lpfc_sha_init(hbainit);
	lpfc_sha_iterate(hbainit, HashWorking);
	kfree(HashWorking);
}

/**
 * lpfc_cleanup - Performs vport cleanups before deleting a vport
 * @vport: pointer to a virtual N_Port data structure.
 *
 * This routine performs the necessary cleanups before deleting the @vport.
 * It invokes the discovery state machine to perform necessary state
 * transitions and to release the ndlps associated with the @vport. Note,
 * the physical port is treated as @vport 0.
 **/
void
lpfc_cleanup(struct lpfc_vport *vport)
{
	struct lpfc_hba   *phba = vport->phba;
	struct lpfc_nodelist *ndlp, *next_ndlp;
	int i = 0;

	if (phba->link_state > LPFC_LINK_DOWN)
		lpfc_port_link_failure(vport);

	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
		if (!NLP_CHK_NODE_ACT(ndlp)) {
			ndlp = lpfc_enable_node(vport, ndlp,
						NLP_STE_UNUSED_NODE);
			if (!ndlp)
				continue;
			spin_lock_irq(&phba->ndlp_lock);
			NLP_SET_FREE_REQ(ndlp);
			spin_unlock_irq(&phba->ndlp_lock);
			/* Trigger the release of the ndlp memory */
			lpfc_nlp_put(ndlp);
			continue;
		}
		spin_lock_irq(&phba->ndlp_lock);
		if (NLP_CHK_FREE_REQ(ndlp)) {
			/* The ndlp should not be in memory free mode already */
			spin_unlock_irq(&phba->ndlp_lock);
			continue;
		} else
			/* Indicate request for freeing ndlp memory */
			NLP_SET_FREE_REQ(ndlp);
		spin_unlock_irq(&phba->ndlp_lock);

		if (vport->port_type != LPFC_PHYSICAL_PORT &&
		    ndlp->nlp_DID == Fabric_DID) {
			/* Just free up ndlp with Fabric_DID for vports */
			lpfc_nlp_put(ndlp);
			continue;
		}

		/* take care of nodes in unused state before the state
		 * machine taking action.
		 */
		if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
			lpfc_nlp_put(ndlp);
			continue;
		}

		if (ndlp->nlp_type & NLP_FABRIC)
			lpfc_disc_state_machine(vport, ndlp, NULL,
					NLP_EVT_DEVICE_RECOVERY);

		lpfc_disc_state_machine(vport, ndlp, NULL,
					     NLP_EVT_DEVICE_RM);
	}

	/* At this point, ALL ndlp's should be gone
	 * because of the previous NLP_EVT_DEVICE_RM.
	 * Lets wait for this to happen, if needed.
	 */
	while (!list_empty(&vport->fc_nodes)) {
		if (i++ > 3000) {
			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
				"0233 Nodelist not empty\n");
			list_for_each_entry_safe(ndlp, next_ndlp,
						&vport->fc_nodes, nlp_listp) {
				lpfc_printf_vlog(ndlp->vport, KERN_ERR,
						LOG_NODE,
						"0282 did:x%x ndlp:x%p "
						"usgmap:x%x refcnt:%d\n",
						ndlp->nlp_DID, (void *)ndlp,
						ndlp->nlp_usg_map,
						kref_read(&ndlp->kref));
			}
			break;
		}

		/* Wait for any activity on ndlps to settle */
		msleep(10);
	}
	lpfc_cleanup_vports_rrqs(vport, NULL);
}

/**
 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
 * @vport: pointer to a virtual N_Port data structure.
 *
 * This routine stops all the timers associated with a @vport. This function
 * is invoked before disabling or deleting a @vport. Note that the physical
 * port is treated as @vport 0.
 **/
void
lpfc_stop_vport_timers(struct lpfc_vport *vport)
{
	del_timer_sync(&vport->els_tmofunc);
	del_timer_sync(&vport->delayed_disc_tmo);
	lpfc_can_disctmo(vport);
	return;
}

/**
 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
 * caller of this routine should already hold the host lock.
 **/
void
__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
{
	/* Clear pending FCF rediscovery wait flag */
	phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;

	/* Now, try to stop the timer */
	del_timer(&phba->fcf.redisc_wait);
}

/**
 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
 * checks whether the FCF rediscovery wait timer is pending with the host
 * lock held before proceeding with disabling the timer and clearing the
 * wait timer pendig flag.
 **/
void
lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
{
	spin_lock_irq(&phba->hbalock);
	if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
		/* FCF rediscovery timer already fired or stopped */
		spin_unlock_irq(&phba->hbalock);
		return;
	}
	__lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
	/* Clear failover in progress flags */
	phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
	spin_unlock_irq(&phba->hbalock);
}

/**
 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine stops all the timers associated with a HBA. This function is
 * invoked before either putting a HBA offline or unloading the driver.
 **/
void
lpfc_stop_hba_timers(struct lpfc_hba *phba)
{
	lpfc_stop_vport_timers(phba->pport);
	del_timer_sync(&phba->sli.mbox_tmo);
	del_timer_sync(&phba->fabric_block_timer);
	del_timer_sync(&phba->eratt_poll);
	del_timer_sync(&phba->hb_tmofunc);
	if (phba->sli_rev == LPFC_SLI_REV4) {
		del_timer_sync(&phba->rrq_tmr);
		phba->hba_flag &= ~HBA_RRQ_ACTIVE;
	}
	phba->hb_outstanding = 0;

	switch (phba->pci_dev_grp) {
	case LPFC_PCI_DEV_LP:
		/* Stop any LightPulse device specific driver timers */
		del_timer_sync(&phba->fcp_poll_timer);
		break;
	case LPFC_PCI_DEV_OC:
		/* Stop any OneConnect device sepcific driver timers */
		lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0297 Invalid device group (x%x)\n",
				phba->pci_dev_grp);
		break;
	}
	return;
}

/**
 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine marks a HBA's management interface as blocked. Once the HBA's
 * management interface is marked as blocked, all the user space access to
 * the HBA, whether they are from sysfs interface or libdfc interface will
 * all be blocked. The HBA is set to block the management interface when the
 * driver prepares the HBA interface for online or offline.
 **/
static void
lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
{
	unsigned long iflag;
	uint8_t actcmd = MBX_HEARTBEAT;
	unsigned long timeout;

	spin_lock_irqsave(&phba->hbalock, iflag);
	phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
	spin_unlock_irqrestore(&phba->hbalock, iflag);
	if (mbx_action == LPFC_MBX_NO_WAIT)
		return;
	timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
	spin_lock_irqsave(&phba->hbalock, iflag);
	if (phba->sli.mbox_active) {
		actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
		/* Determine how long we might wait for the active mailbox
		 * command to be gracefully completed by firmware.
		 */
		timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
				phba->sli.mbox_active) * 1000) + jiffies;
	}
	spin_unlock_irqrestore(&phba->hbalock, iflag);

	/* Wait for the outstnading mailbox command to complete */
	while (phba->sli.mbox_active) {
		/* Check active mailbox complete status every 2ms */
		msleep(2);
		if (time_after(jiffies, timeout)) {
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"2813 Mgmt IO is Blocked %x "
				"- mbox cmd %x still active\n",
				phba->sli.sli_flag, actcmd);
			break;
		}
	}
}

/**
 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
 * @phba: pointer to lpfc hba data structure.
 *
 * Allocate RPIs for all active remote nodes. This is needed whenever
 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
 * is to fixup the temporary rpi assignments.
 **/
void
lpfc_sli4_node_prep(struct lpfc_hba *phba)
{
	struct lpfc_nodelist  *ndlp, *next_ndlp;
	struct lpfc_vport **vports;
	int i, rpi;
	unsigned long flags;

	if (phba->sli_rev != LPFC_SLI_REV4)
		return;

	vports = lpfc_create_vport_work_array(phba);
	if (vports == NULL)
		return;

	for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
		if (vports[i]->load_flag & FC_UNLOADING)
			continue;

		list_for_each_entry_safe(ndlp, next_ndlp,
					 &vports[i]->fc_nodes,
					 nlp_listp) {
			if (!NLP_CHK_NODE_ACT(ndlp))
				continue;
			rpi = lpfc_sli4_alloc_rpi(phba);
			if (rpi == LPFC_RPI_ALLOC_ERROR) {
				spin_lock_irqsave(&phba->ndlp_lock, flags);
				NLP_CLR_NODE_ACT(ndlp);
				spin_unlock_irqrestore(&phba->ndlp_lock, flags);
				continue;
			}
			ndlp->nlp_rpi = rpi;
			lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
					 "0009 rpi:%x DID:%x "
					 "flg:%x map:%x %p\n", ndlp->nlp_rpi,
					 ndlp->nlp_DID, ndlp->nlp_flag,
					 ndlp->nlp_usg_map, ndlp);
		}
	}
	lpfc_destroy_vport_work_array(phba, vports);
}

/**
 * lpfc_online - Initialize and bring a HBA online
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine initializes the HBA and brings a HBA online. During this
 * process, the management interface is blocked to prevent user space access
 * to the HBA interfering with the driver initialization.
 *
 * Return codes
 *   0 - successful
 *   1 - failed
 **/
int
lpfc_online(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport;
	struct lpfc_vport **vports;
	int i, error = 0;
	bool vpis_cleared = false;

	if (!phba)
		return 0;
	vport = phba->pport;

	if (!(vport->fc_flag & FC_OFFLINE_MODE))
		return 0;

	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
			"0458 Bring Adapter online\n");

	lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);

	if (phba->sli_rev == LPFC_SLI_REV4) {
		if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
			lpfc_unblock_mgmt_io(phba);
			return 1;
		}
		spin_lock_irq(&phba->hbalock);
		if (!phba->sli4_hba.max_cfg_param.vpi_used)
			vpis_cleared = true;
		spin_unlock_irq(&phba->hbalock);

		/* Reestablish the local initiator port.
		 * The offline process destroyed the previous lport.
		 */
		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME &&
				!phba->nvmet_support) {
			error = lpfc_nvme_create_localport(phba->pport);
			if (error)
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6132 NVME restore reg failed "
					"on nvmei error x%x\n", error);
		}
	} else {
		lpfc_sli_queue_init(phba);
		if (lpfc_sli_hba_setup(phba)) {	/* Initialize SLI2/SLI3 HBA */
			lpfc_unblock_mgmt_io(phba);
			return 1;
		}
	}

	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL) {
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
			struct Scsi_Host *shost;
			shost = lpfc_shost_from_vport(vports[i]);
			spin_lock_irq(shost->host_lock);
			vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
			if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
				vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
			if (phba->sli_rev == LPFC_SLI_REV4) {
				vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
				if ((vpis_cleared) &&
				    (vports[i]->port_type !=
					LPFC_PHYSICAL_PORT))
					vports[i]->vpi = 0;
			}
			spin_unlock_irq(shost->host_lock);
		}
	}
	lpfc_destroy_vport_work_array(phba, vports);

	lpfc_unblock_mgmt_io(phba);
	return 0;
}

/**
 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine marks a HBA's management interface as not blocked. Once the
 * HBA's management interface is marked as not blocked, all the user space
 * access to the HBA, whether they are from sysfs interface or libdfc
 * interface will be allowed. The HBA is set to block the management interface
 * when the driver prepares the HBA interface for online or offline and then
 * set to unblock the management interface afterwards.
 **/
void
lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
{
	unsigned long iflag;

	spin_lock_irqsave(&phba->hbalock, iflag);
	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
	spin_unlock_irqrestore(&phba->hbalock, iflag);
}

/**
 * lpfc_offline_prep - Prepare a HBA to be brought offline
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to prepare a HBA to be brought offline. It performs
 * unregistration login to all the nodes on all vports and flushes the mailbox
 * queue to make it ready to be brought offline.
 **/
void
lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
{
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_nodelist  *ndlp, *next_ndlp;
	struct lpfc_vport **vports;
	struct Scsi_Host *shost;
	int i;

	if (vport->fc_flag & FC_OFFLINE_MODE)
		return;

	lpfc_block_mgmt_io(phba, mbx_action);

	lpfc_linkdown(phba);

	/* Issue an unreg_login to all nodes on all vports */
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL) {
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
			if (vports[i]->load_flag & FC_UNLOADING)
				continue;
			shost = lpfc_shost_from_vport(vports[i]);
			spin_lock_irq(shost->host_lock);
			vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
			vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
			vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
			spin_unlock_irq(shost->host_lock);

			shost =	lpfc_shost_from_vport(vports[i]);
			list_for_each_entry_safe(ndlp, next_ndlp,
						 &vports[i]->fc_nodes,
						 nlp_listp) {
				if (!NLP_CHK_NODE_ACT(ndlp))
					continue;
				if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
					continue;
				if (ndlp->nlp_type & NLP_FABRIC) {
					lpfc_disc_state_machine(vports[i], ndlp,
						NULL, NLP_EVT_DEVICE_RECOVERY);
					lpfc_disc_state_machine(vports[i], ndlp,
						NULL, NLP_EVT_DEVICE_RM);
				}
				spin_lock_irq(shost->host_lock);
				ndlp->nlp_flag &= ~NLP_NPR_ADISC;
				spin_unlock_irq(shost->host_lock);
				/*
				 * Whenever an SLI4 port goes offline, free the
				 * RPI. Get a new RPI when the adapter port
				 * comes back online.
				 */
				if (phba->sli_rev == LPFC_SLI_REV4) {
					lpfc_printf_vlog(ndlp->vport,
							 KERN_INFO, LOG_NODE,
							 "0011 lpfc_offline: "
							 "ndlp:x%p did %x "
							 "usgmap:x%x rpi:%x\n",
							 ndlp, ndlp->nlp_DID,
							 ndlp->nlp_usg_map,
							 ndlp->nlp_rpi);

					lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
				}
				lpfc_unreg_rpi(vports[i], ndlp);
			}
		}
	}
	lpfc_destroy_vport_work_array(phba, vports);

	lpfc_sli_mbox_sys_shutdown(phba, mbx_action);

	if (phba->wq)
		flush_workqueue(phba->wq);
}

/**
 * lpfc_offline - Bring a HBA offline
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine actually brings a HBA offline. It stops all the timers
 * associated with the HBA, brings down the SLI layer, and eventually
 * marks the HBA as in offline state for the upper layer protocol.
 **/
void
lpfc_offline(struct lpfc_hba *phba)
{
	struct Scsi_Host  *shost;
	struct lpfc_vport **vports;
	int i;

	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
		return;

	/* stop port and all timers associated with this hba */
	lpfc_stop_port(phba);

	/* Tear down the local and target port registrations.  The
	 * nvme transports need to cleanup.
	 */
	lpfc_nvmet_destroy_targetport(phba);
	lpfc_nvme_destroy_localport(phba->pport);

	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
			lpfc_stop_vport_timers(vports[i]);
	lpfc_destroy_vport_work_array(phba, vports);
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
			"0460 Bring Adapter offline\n");
	/* Bring down the SLI Layer and cleanup.  The HBA is offline
	   now.  */
	lpfc_sli_hba_down(phba);
	spin_lock_irq(&phba->hbalock);
	phba->work_ha = 0;
	spin_unlock_irq(&phba->hbalock);
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
			shost = lpfc_shost_from_vport(vports[i]);
			spin_lock_irq(shost->host_lock);
			vports[i]->work_port_events = 0;
			vports[i]->fc_flag |= FC_OFFLINE_MODE;
			spin_unlock_irq(shost->host_lock);
		}
	lpfc_destroy_vport_work_array(phba, vports);
}

/**
 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is to free all the SCSI buffers and IOCBs from the driver
 * list back to kernel. It is called from lpfc_pci_remove_one to free
 * the internal resources before the device is removed from the system.
 **/
static void
lpfc_scsi_free(struct lpfc_hba *phba)
{
	struct lpfc_scsi_buf *sb, *sb_next;

	if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
		return;

	spin_lock_irq(&phba->hbalock);

	/* Release all the lpfc_scsi_bufs maintained by this host. */

	spin_lock(&phba->scsi_buf_list_put_lock);
	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
				 list) {
		list_del(&sb->list);
		dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
			      sb->dma_handle);
		kfree(sb);
		phba->total_scsi_bufs--;
	}
	spin_unlock(&phba->scsi_buf_list_put_lock);

	spin_lock(&phba->scsi_buf_list_get_lock);
	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
				 list) {
		list_del(&sb->list);
		dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
			      sb->dma_handle);
		kfree(sb);
		phba->total_scsi_bufs--;
	}
	spin_unlock(&phba->scsi_buf_list_get_lock);
	spin_unlock_irq(&phba->hbalock);
}
/**
 * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is to free all the NVME buffers and IOCBs from the driver
 * list back to kernel. It is called from lpfc_pci_remove_one to free
 * the internal resources before the device is removed from the system.
 **/
static void
lpfc_nvme_free(struct lpfc_hba *phba)
{
	struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next;

	if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME))
		return;

	spin_lock_irq(&phba->hbalock);

	/* Release all the lpfc_nvme_bufs maintained by this host. */
	spin_lock(&phba->nvme_buf_list_put_lock);
	list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
				 &phba->lpfc_nvme_buf_list_put, list) {
		list_del(&lpfc_ncmd->list);
		phba->put_nvme_bufs--;
		dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data,
			      lpfc_ncmd->dma_handle);
		kfree(lpfc_ncmd);
		phba->total_nvme_bufs--;
	}
	spin_unlock(&phba->nvme_buf_list_put_lock);

	spin_lock(&phba->nvme_buf_list_get_lock);
	list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
				 &phba->lpfc_nvme_buf_list_get, list) {
		list_del(&lpfc_ncmd->list);
		phba->get_nvme_bufs--;
		dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data,
			      lpfc_ncmd->dma_handle);
		kfree(lpfc_ncmd);
		phba->total_nvme_bufs--;
	}
	spin_unlock(&phba->nvme_buf_list_get_lock);
	spin_unlock_irq(&phba->hbalock);
}
/**
 * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine first calculates the sizes of the current els and allocated
 * scsi sgl lists, and then goes through all sgls to updates the physical
 * XRIs assigned due to port function reset. During port initialization, the
 * current els and allocated scsi sgl lists are 0s.
 *
 * Return codes
 *   0 - successful (for now, it always returns 0)
 **/
int
lpfc_sli4_els_sgl_update(struct lpfc_hba *phba)
{
	struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
	uint16_t i, lxri, xri_cnt, els_xri_cnt;
	LIST_HEAD(els_sgl_list);
	int rc;

	/*
	 * update on pci function's els xri-sgl list
	 */
	els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);

	if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
		/* els xri-sgl expanded */
		xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"3157 ELS xri-sgl count increased from "
				"%d to %d\n", phba->sli4_hba.els_xri_cnt,
				els_xri_cnt);
		/* allocate the additional els sgls */
		for (i = 0; i < xri_cnt; i++) {
			sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
					     GFP_KERNEL);
			if (sglq_entry == NULL) {
				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
						"2562 Failure to allocate an "
						"ELS sgl entry:%d\n", i);
				rc = -ENOMEM;
				goto out_free_mem;
			}
			sglq_entry->buff_type = GEN_BUFF_TYPE;
			sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
							   &sglq_entry->phys);
			if (sglq_entry->virt == NULL) {
				kfree(sglq_entry);
				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
						"2563 Failure to allocate an "
						"ELS mbuf:%d\n", i);
				rc = -ENOMEM;
				goto out_free_mem;
			}
			sglq_entry->sgl = sglq_entry->virt;
			memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
			sglq_entry->state = SGL_FREED;
			list_add_tail(&sglq_entry->list, &els_sgl_list);
		}
		spin_lock_irq(&phba->hbalock);
		spin_lock(&phba->sli4_hba.sgl_list_lock);
		list_splice_init(&els_sgl_list,
				 &phba->sli4_hba.lpfc_els_sgl_list);
		spin_unlock(&phba->sli4_hba.sgl_list_lock);
		spin_unlock_irq(&phba->hbalock);
	} else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
		/* els xri-sgl shrinked */
		xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"3158 ELS xri-sgl count decreased from "
				"%d to %d\n", phba->sli4_hba.els_xri_cnt,
				els_xri_cnt);
		spin_lock_irq(&phba->hbalock);
		spin_lock(&phba->sli4_hba.sgl_list_lock);
		list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list,
				 &els_sgl_list);
		/* release extra els sgls from list */
		for (i = 0; i < xri_cnt; i++) {
			list_remove_head(&els_sgl_list,
					 sglq_entry, struct lpfc_sglq, list);
			if (sglq_entry) {
				__lpfc_mbuf_free(phba, sglq_entry->virt,
						 sglq_entry->phys);
				kfree(sglq_entry);
			}
		}
		list_splice_init(&els_sgl_list,
				 &phba->sli4_hba.lpfc_els_sgl_list);
		spin_unlock(&phba->sli4_hba.sgl_list_lock);
		spin_unlock_irq(&phba->hbalock);
	} else
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"3163 ELS xri-sgl count unchanged: %d\n",
				els_xri_cnt);
	phba->sli4_hba.els_xri_cnt = els_xri_cnt;

	/* update xris to els sgls on the list */
	sglq_entry = NULL;
	sglq_entry_next = NULL;
	list_for_each_entry_safe(sglq_entry, sglq_entry_next,
				 &phba->sli4_hba.lpfc_els_sgl_list, list) {
		lxri = lpfc_sli4_next_xritag(phba);
		if (lxri == NO_XRI) {
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"2400 Failed to allocate xri for "
					"ELS sgl\n");
			rc = -ENOMEM;
			goto out_free_mem;
		}
		sglq_entry->sli4_lxritag = lxri;
		sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
	}
	return 0;

out_free_mem:
	lpfc_free_els_sgl_list(phba);
	return rc;
}

/**
 * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine first calculates the sizes of the current els and allocated
 * scsi sgl lists, and then goes through all sgls to updates the physical
 * XRIs assigned due to port function reset. During port initialization, the
 * current els and allocated scsi sgl lists are 0s.
 *
 * Return codes
 *   0 - successful (for now, it always returns 0)
 **/
int
lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba)
{
	struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
	uint16_t i, lxri, xri_cnt, els_xri_cnt;
	uint16_t nvmet_xri_cnt;
	LIST_HEAD(nvmet_sgl_list);
	int rc;

	/*
	 * update on pci function's nvmet xri-sgl list
	 */
	els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);

	/* For NVMET, ALL remaining XRIs are dedicated for IO processing */
	nvmet_xri_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
	if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) {
		/* els xri-sgl expanded */
		xri_cnt = nvmet_xri_cnt - phba->sli4_hba.nvmet_xri_cnt;
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"6302 NVMET xri-sgl cnt grew from %d to %d\n",
				phba->sli4_hba.nvmet_xri_cnt, nvmet_xri_cnt);
		/* allocate the additional nvmet sgls */
		for (i = 0; i < xri_cnt; i++) {
			sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
					     GFP_KERNEL);
			if (sglq_entry == NULL) {
				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
						"6303 Failure to allocate an "
						"NVMET sgl entry:%d\n", i);
				rc = -ENOMEM;
				goto out_free_mem;
			}
			sglq_entry->buff_type = NVMET_BUFF_TYPE;
			sglq_entry->virt = lpfc_nvmet_buf_alloc(phba, 0,
							   &sglq_entry->phys);
			if (sglq_entry->virt == NULL) {
				kfree(sglq_entry);
				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
						"6304 Failure to allocate an "
						"NVMET buf:%d\n", i);
				rc = -ENOMEM;
				goto out_free_mem;
			}
			sglq_entry->sgl = sglq_entry->virt;
			memset(sglq_entry->sgl, 0,
			       phba->cfg_sg_dma_buf_size);
			sglq_entry->state = SGL_FREED;
			list_add_tail(&sglq_entry->list, &nvmet_sgl_list);
		}
		spin_lock_irq(&phba->hbalock);
		spin_lock(&phba->sli4_hba.sgl_list_lock);
		list_splice_init(&nvmet_sgl_list,
				 &phba->sli4_hba.lpfc_nvmet_sgl_list);
		spin_unlock(&phba->sli4_hba.sgl_list_lock);
		spin_unlock_irq(&phba->hbalock);
	} else if (nvmet_xri_cnt < phba->sli4_hba.nvmet_xri_cnt) {
		/* nvmet xri-sgl shrunk */
		xri_cnt = phba->sli4_hba.nvmet_xri_cnt - nvmet_xri_cnt;
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"6305 NVMET xri-sgl count decreased from "
				"%d to %d\n", phba->sli4_hba.nvmet_xri_cnt,
				nvmet_xri_cnt);
		spin_lock_irq(&phba->hbalock);
		spin_lock(&phba->sli4_hba.sgl_list_lock);
		list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list,
				 &nvmet_sgl_list);
		/* release extra nvmet sgls from list */
		for (i = 0; i < xri_cnt; i++) {
			list_remove_head(&nvmet_sgl_list,
					 sglq_entry, struct lpfc_sglq, list);
			if (sglq_entry) {
				lpfc_nvmet_buf_free(phba, sglq_entry->virt,
						    sglq_entry->phys);
				kfree(sglq_entry);
			}
		}
		list_splice_init(&nvmet_sgl_list,
				 &phba->sli4_hba.lpfc_nvmet_sgl_list);
		spin_unlock(&phba->sli4_hba.sgl_list_lock);
		spin_unlock_irq(&phba->hbalock);
	} else
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"6306 NVMET xri-sgl count unchanged: %d\n",
				nvmet_xri_cnt);
	phba->sli4_hba.nvmet_xri_cnt = nvmet_xri_cnt;

	/* update xris to nvmet sgls on the list */
	sglq_entry = NULL;
	sglq_entry_next = NULL;
	list_for_each_entry_safe(sglq_entry, sglq_entry_next,
				 &phba->sli4_hba.lpfc_nvmet_sgl_list, list) {
		lxri = lpfc_sli4_next_xritag(phba);
		if (lxri == NO_XRI) {
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"6307 Failed to allocate xri for "
					"NVMET sgl\n");
			rc = -ENOMEM;
			goto out_free_mem;
		}
		sglq_entry->sli4_lxritag = lxri;
		sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
	}
	return 0;

out_free_mem:
	lpfc_free_nvmet_sgl_list(phba);
	return rc;
}

/**
 * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine first calculates the sizes of the current els and allocated
 * scsi sgl lists, and then goes through all sgls to updates the physical
 * XRIs assigned due to port function reset. During port initialization, the
 * current els and allocated scsi sgl lists are 0s.
 *
 * Return codes
 *   0 - successful (for now, it always returns 0)
 **/
int
lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba)
{
	struct lpfc_scsi_buf *psb, *psb_next;
	uint16_t i, lxri, els_xri_cnt, scsi_xri_cnt;
	LIST_HEAD(scsi_sgl_list);
	int rc;

	/*
	 * update on pci function's els xri-sgl list
	 */
	els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
	phba->total_scsi_bufs = 0;

	/*
	 * update on pci function's allocated scsi xri-sgl list
	 */
	/* maximum number of xris available for scsi buffers */
	phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
				      els_xri_cnt;

	if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
		return 0;

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
		phba->sli4_hba.scsi_xri_max =  /* Split them up */
			(phba->sli4_hba.scsi_xri_max *
			 phba->cfg_xri_split) / 100;

	spin_lock_irq(&phba->scsi_buf_list_get_lock);
	spin_lock(&phba->scsi_buf_list_put_lock);
	list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list);
	list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list);
	spin_unlock(&phba->scsi_buf_list_put_lock);
	spin_unlock_irq(&phba->scsi_buf_list_get_lock);

	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
			"6060 Current allocated SCSI xri-sgl count:%d, "
			"maximum  SCSI xri count:%d (split:%d)\n",
			phba->sli4_hba.scsi_xri_cnt,
			phba->sli4_hba.scsi_xri_max, phba->cfg_xri_split);

	if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
		/* max scsi xri shrinked below the allocated scsi buffers */
		scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
					phba->sli4_hba.scsi_xri_max;
		/* release the extra allocated scsi buffers */
		for (i = 0; i < scsi_xri_cnt; i++) {
			list_remove_head(&scsi_sgl_list, psb,
					 struct lpfc_scsi_buf, list);
			if (psb) {
				dma_pool_free(phba->lpfc_sg_dma_buf_pool,
					      psb->data, psb->dma_handle);
				kfree(psb);
			}
		}
		spin_lock_irq(&phba->scsi_buf_list_get_lock);
		phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
		spin_unlock_irq(&phba->scsi_buf_list_get_lock);
	}

	/* update xris associated to remaining allocated scsi buffers */
	psb = NULL;
	psb_next = NULL;
	list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
		lxri = lpfc_sli4_next_xritag(phba);
		if (lxri == NO_XRI) {
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"2560 Failed to allocate xri for "
					"scsi buffer\n");
			rc = -ENOMEM;
			goto out_free_mem;
		}
		psb->cur_iocbq.sli4_lxritag = lxri;
		psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
	}
	spin_lock_irq(&phba->scsi_buf_list_get_lock);
	spin_lock(&phba->scsi_buf_list_put_lock);
	list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
	spin_unlock(&phba->scsi_buf_list_put_lock);
	spin_unlock_irq(&phba->scsi_buf_list_get_lock);
	return 0;

out_free_mem:
	lpfc_scsi_free(phba);
	return rc;
}

static uint64_t
lpfc_get_wwpn(struct lpfc_hba *phba)
{
	uint64_t wwn;
	int rc;
	LPFC_MBOXQ_t *mboxq;
	MAILBOX_t *mb;

	mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
						GFP_KERNEL);
	if (!mboxq)
		return (uint64_t)-1;

	/* First get WWN of HBA instance */
	lpfc_read_nv(phba, mboxq);
	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
	if (rc != MBX_SUCCESS) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"6019 Mailbox failed , mbxCmd x%x "
				"READ_NV, mbxStatus x%x\n",
				bf_get(lpfc_mqe_command, &mboxq->u.mqe),
				bf_get(lpfc_mqe_status, &mboxq->u.mqe));
		mempool_free(mboxq, phba->mbox_mem_pool);
		return (uint64_t) -1;
	}
	mb = &mboxq->u.mb;
	memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t));
	/* wwn is WWPN of HBA instance */
	mempool_free(mboxq, phba->mbox_mem_pool);
	if (phba->sli_rev == LPFC_SLI_REV4)
		return be64_to_cpu(wwn);
	else
		return rol64(wwn, 32);
}

/**
 * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine first calculates the sizes of the current els and allocated
 * scsi sgl lists, and then goes through all sgls to updates the physical
 * XRIs assigned due to port function reset. During port initialization, the
 * current els and allocated scsi sgl lists are 0s.
 *
 * Return codes
 *   0 - successful (for now, it always returns 0)
 **/
int
lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba)
{
	struct lpfc_nvme_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL;
	uint16_t i, lxri, els_xri_cnt;
	uint16_t nvme_xri_cnt, nvme_xri_max;
	LIST_HEAD(nvme_sgl_list);
	int rc, cnt;

	phba->total_nvme_bufs = 0;
	phba->get_nvme_bufs = 0;
	phba->put_nvme_bufs = 0;

	if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME))
		return 0;
	/*
	 * update on pci function's allocated nvme xri-sgl list
	 */

	/* maximum number of xris available for nvme buffers */
	els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
	nvme_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
	phba->sli4_hba.nvme_xri_max = nvme_xri_max;
	phba->sli4_hba.nvme_xri_max -= phba->sli4_hba.scsi_xri_max;

	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
			"6074 Current allocated NVME xri-sgl count:%d, "
			"maximum  NVME xri count:%d\n",
			phba->sli4_hba.nvme_xri_cnt,
			phba->sli4_hba.nvme_xri_max);

	spin_lock_irq(&phba->nvme_buf_list_get_lock);
	spin_lock(&phba->nvme_buf_list_put_lock);
	list_splice_init(&phba->lpfc_nvme_buf_list_get, &nvme_sgl_list);
	list_splice(&phba->lpfc_nvme_buf_list_put, &nvme_sgl_list);
	cnt = phba->get_nvme_bufs + phba->put_nvme_bufs;
	phba->get_nvme_bufs = 0;
	phba->put_nvme_bufs = 0;
	spin_unlock(&phba->nvme_buf_list_put_lock);
	spin_unlock_irq(&phba->nvme_buf_list_get_lock);

	if (phba->sli4_hba.nvme_xri_cnt > phba->sli4_hba.nvme_xri_max) {
		/* max nvme xri shrunk below the allocated nvme buffers */
		spin_lock_irq(&phba->nvme_buf_list_get_lock);
		nvme_xri_cnt = phba->sli4_hba.nvme_xri_cnt -
					phba->sli4_hba.nvme_xri_max;
		spin_unlock_irq(&phba->nvme_buf_list_get_lock);
		/* release the extra allocated nvme buffers */
		for (i = 0; i < nvme_xri_cnt; i++) {
			list_remove_head(&nvme_sgl_list, lpfc_ncmd,
					 struct lpfc_nvme_buf, list);
			if (lpfc_ncmd) {
				dma_pool_free(phba->lpfc_sg_dma_buf_pool,
					      lpfc_ncmd->data,
					      lpfc_ncmd->dma_handle);
				kfree(lpfc_ncmd);
			}
		}
		spin_lock_irq(&phba->nvme_buf_list_get_lock);
		phba->sli4_hba.nvme_xri_cnt -= nvme_xri_cnt;
		spin_unlock_irq(&phba->nvme_buf_list_get_lock);
	}

	/* update xris associated to remaining allocated nvme buffers */
	lpfc_ncmd = NULL;
	lpfc_ncmd_next = NULL;
	list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
				 &nvme_sgl_list, list) {
		lxri = lpfc_sli4_next_xritag(phba);
		if (lxri == NO_XRI) {
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"6075 Failed to allocate xri for "
					"nvme buffer\n");
			rc = -ENOMEM;
			goto out_free_mem;
		}
		lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri;
		lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
	}
	spin_lock_irq(&phba->nvme_buf_list_get_lock);
	spin_lock(&phba->nvme_buf_list_put_lock);
	list_splice_init(&nvme_sgl_list, &phba->lpfc_nvme_buf_list_get);
	phba->get_nvme_bufs = cnt;
	INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put);
	spin_unlock(&phba->nvme_buf_list_put_lock);
	spin_unlock_irq(&phba->nvme_buf_list_get_lock);
	return 0;

out_free_mem:
	lpfc_nvme_free(phba);
	return rc;
}

/**
 * lpfc_create_port - Create an FC port
 * @phba: pointer to lpfc hba data structure.
 * @instance: a unique integer ID to this FC port.
 * @dev: pointer to the device data structure.
 *
 * This routine creates a FC port for the upper layer protocol. The FC port
 * can be created on top of either a physical port or a virtual port provided
 * by the HBA. This routine also allocates a SCSI host data structure (shost)
 * and associates the FC port created before adding the shost into the SCSI
 * layer.
 *
 * Return codes
 *   @vport - pointer to the virtual N_Port data structure.
 *   NULL - port create failed.
 **/
struct lpfc_vport *
lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
{
	struct lpfc_vport *vport;
	struct Scsi_Host  *shost = NULL;
	int error = 0;
	int i;
	uint64_t wwn;
	bool use_no_reset_hba = false;
	int rc;

	if (lpfc_no_hba_reset_cnt) {
		if (phba->sli_rev < LPFC_SLI_REV4 &&
		    dev == &phba->pcidev->dev) {
			/* Reset the port first */
			lpfc_sli_brdrestart(phba);
			rc = lpfc_sli_chipset_init(phba);
			if (rc)
				return NULL;
		}
		wwn = lpfc_get_wwpn(phba);
	}

	for (i = 0; i < lpfc_no_hba_reset_cnt; i++) {
		if (wwn == lpfc_no_hba_reset[i]) {
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"6020 Setting use_no_reset port=%llx\n",
					wwn);
			use_no_reset_hba = true;
			break;
		}
	}

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
		if (dev != &phba->pcidev->dev) {
			shost = scsi_host_alloc(&lpfc_vport_template,
						sizeof(struct lpfc_vport));
		} else {
			if (!use_no_reset_hba)
				shost = scsi_host_alloc(&lpfc_template,
						sizeof(struct lpfc_vport));
			else
				shost = scsi_host_alloc(&lpfc_template_no_hr,
						sizeof(struct lpfc_vport));
		}
	} else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
		shost = scsi_host_alloc(&lpfc_template_nvme,
					sizeof(struct lpfc_vport));
	}
	if (!shost)
		goto out;

	vport = (struct lpfc_vport *) shost->hostdata;
	vport->phba = phba;
	vport->load_flag |= FC_LOADING;
	vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
	vport->fc_rscn_flush = 0;
	lpfc_get_vport_cfgparam(vport);

	shost->unique_id = instance;
	shost->max_id = LPFC_MAX_TARGET;
	shost->max_lun = vport->cfg_max_luns;
	shost->this_id = -1;
	shost->max_cmd_len = 16;
	shost->nr_hw_queues = phba->cfg_fcp_io_channel;
	if (phba->sli_rev == LPFC_SLI_REV4) {
		shost->dma_boundary =
			phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
		shost->sg_tablesize = phba->cfg_scsi_seg_cnt;
	}

	/*
	 * Set initial can_queue value since 0 is no longer supported and
	 * scsi_add_host will fail. This will be adjusted later based on the
	 * max xri value determined in hba setup.
	 */
	shost->can_queue = phba->cfg_hba_queue_depth - 10;
	if (dev != &phba->pcidev->dev) {
		shost->transportt = lpfc_vport_transport_template;
		vport->port_type = LPFC_NPIV_PORT;
	} else {
		shost->transportt = lpfc_transport_template;
		vport->port_type = LPFC_PHYSICAL_PORT;
	}

	/* Initialize all internally managed lists. */
	INIT_LIST_HEAD(&vport->fc_nodes);
	INIT_LIST_HEAD(&vport->rcv_buffer_list);
	spin_lock_init(&vport->work_port_lock);

	timer_setup(&vport->fc_disctmo, lpfc_disc_timeout, 0);

	timer_setup(&vport->els_tmofunc, lpfc_els_timeout, 0);

	timer_setup(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, 0);

	error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
	if (error)
		goto out_put_shost;

	spin_lock_irq(&phba->port_list_lock);
	list_add_tail(&vport->listentry, &phba->port_list);
	spin_unlock_irq(&phba->port_list_lock);
	return vport;

out_put_shost:
	scsi_host_put(shost);
out:
	return NULL;
}

/**
 * destroy_port -  destroy an FC port
 * @vport: pointer to an lpfc virtual N_Port data structure.
 *
 * This routine destroys a FC port from the upper layer protocol. All the
 * resources associated with the port are released.
 **/
void
destroy_port(struct lpfc_vport *vport)
{
	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
	struct lpfc_hba  *phba = vport->phba;

	lpfc_debugfs_terminate(vport);
	fc_remove_host(shost);
	scsi_remove_host(shost);

	spin_lock_irq(&phba->port_list_lock);
	list_del_init(&vport->listentry);
	spin_unlock_irq(&phba->port_list_lock);

	lpfc_cleanup(vport);
	return;
}

/**
 * lpfc_get_instance - Get a unique integer ID
 *
 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
 * uses the kernel idr facility to perform the task.
 *
 * Return codes:
 *   instance - a unique integer ID allocated as the new instance.
 *   -1 - lpfc get instance failed.
 **/
int
lpfc_get_instance(void)
{
	int ret;

	ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
	return ret < 0 ? -1 : ret;
}

/**
 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
 * @shost: pointer to SCSI host data structure.
 * @time: elapsed time of the scan in jiffies.
 *
 * This routine is called by the SCSI layer with a SCSI host to determine
 * whether the scan host is finished.
 *
 * Note: there is no scan_start function as adapter initialization will have
 * asynchronously kicked off the link initialization.
 *
 * Return codes
 *   0 - SCSI host scan is not over yet.
 *   1 - SCSI host scan is over.
 **/
int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
	int stat = 0;

	spin_lock_irq(shost->host_lock);

	if (vport->load_flag & FC_UNLOADING) {
		stat = 1;
		goto finished;
	}
	if (time >= msecs_to_jiffies(30 * 1000)) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0461 Scanning longer than 30 "
				"seconds.  Continuing initialization\n");
		stat = 1;
		goto finished;
	}
	if (time >= msecs_to_jiffies(15 * 1000) &&
	    phba->link_state <= LPFC_LINK_DOWN) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0465 Link down longer than 15 "
				"seconds.  Continuing initialization\n");
		stat = 1;
		goto finished;
	}

	if (vport->port_state != LPFC_VPORT_READY)
		goto finished;
	if (vport->num_disc_nodes || vport->fc_prli_sent)
		goto finished;
	if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
		goto finished;
	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
		goto finished;

	stat = 1;

finished:
	spin_unlock_irq(shost->host_lock);
	return stat;
}

void lpfc_host_supported_speeds_set(struct Scsi_Host *shost)
{
	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;

	fc_host_supported_speeds(shost) = 0;
	if (phba->lmt & LMT_128Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_128GBIT;
	if (phba->lmt & LMT_64Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_64GBIT;
	if (phba->lmt & LMT_32Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_32GBIT;
	if (phba->lmt & LMT_16Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
	if (phba->lmt & LMT_10Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
	if (phba->lmt & LMT_8Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
	if (phba->lmt & LMT_4Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
	if (phba->lmt & LMT_2Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
	if (phba->lmt & LMT_1Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
}

/**
 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
 * @shost: pointer to SCSI host data structure.
 *
 * This routine initializes a given SCSI host attributes on a FC port. The
 * SCSI host can be either on top of a physical port or a virtual port.
 **/
void lpfc_host_attrib_init(struct Scsi_Host *shost)
{
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
	/*
	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
	 */

	fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
	fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
	fc_host_supported_classes(shost) = FC_COS_CLASS3;

	memset(fc_host_supported_fc4s(shost), 0,
	       sizeof(fc_host_supported_fc4s(shost)));
	fc_host_supported_fc4s(shost)[2] = 1;
	fc_host_supported_fc4s(shost)[7] = 1;

	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
				 sizeof fc_host_symbolic_name(shost));

	lpfc_host_supported_speeds_set(shost);

	fc_host_maxframe_size(shost) =
		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;

	fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;

	/* This value is also unchanging */
	memset(fc_host_active_fc4s(shost), 0,
	       sizeof(fc_host_active_fc4s(shost)));
	fc_host_active_fc4s(shost)[2] = 1;
	fc_host_active_fc4s(shost)[7] = 1;

	fc_host_max_npiv_vports(shost) = phba->max_vpi;
	spin_lock_irq(shost->host_lock);
	vport->load_flag &= ~FC_LOADING;
	spin_unlock_irq(shost->host_lock);
}

/**
 * lpfc_stop_port_s3 - Stop SLI3 device port
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to stop an SLI3 device port, it stops the device
 * from generating interrupts and stops the device driver's timers for the
 * device.
 **/
static void
lpfc_stop_port_s3(struct lpfc_hba *phba)
{
	/* Clear all interrupt enable conditions */
	writel(0, phba->HCregaddr);
	readl(phba->HCregaddr); /* flush */
	/* Clear all pending interrupts */
	writel(0xffffffff, phba->HAregaddr);
	readl(phba->HAregaddr); /* flush */

	/* Reset some HBA SLI setup states */
	lpfc_stop_hba_timers(phba);
	phba->pport->work_port_events = 0;
}

/**
 * lpfc_stop_port_s4 - Stop SLI4 device port
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to stop an SLI4 device port, it stops the device
 * from generating interrupts and stops the device driver's timers for the
 * device.
 **/
static void
lpfc_stop_port_s4(struct lpfc_hba *phba)
{
	/* Reset some HBA SLI4 setup states */
	lpfc_stop_hba_timers(phba);
	phba->pport->work_port_events = 0;
	phba->sli4_hba.intr_enable = 0;
}

/**
 * lpfc_stop_port - Wrapper function for stopping hba port
 * @phba: Pointer to HBA context object.
 *
 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
 * the API jump table function pointer from the lpfc_hba struct.
 **/
void
lpfc_stop_port(struct lpfc_hba *phba)
{
	phba->lpfc_stop_port(phba);

	if (phba->wq)
		flush_workqueue(phba->wq);
}

/**
 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
 * @phba: Pointer to hba for which this call is being executed.
 *
 * This routine starts the timer waiting for the FCF rediscovery to complete.
 **/
void
lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
{
	unsigned long fcf_redisc_wait_tmo =
		(jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
	/* Start fcf rediscovery wait period timer */
	mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
	spin_lock_irq(&phba->hbalock);
	/* Allow action to new fcf asynchronous event */
	phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
	/* Mark the FCF rediscovery pending state */
	phba->fcf.fcf_flag |= FCF_REDISC_PEND;
	spin_unlock_irq(&phba->hbalock);
}

/**
 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
 * @ptr: Map to lpfc_hba data structure pointer.
 *
 * This routine is invoked when waiting for FCF table rediscover has been
 * timed out. If new FCF record(s) has (have) been discovered during the
 * wait period, a new FCF event shall be added to the FCOE async event
 * list, and then worker thread shall be waked up for processing from the
 * worker thread context.
 **/
static void
lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list *t)
{
	struct lpfc_hba *phba = from_timer(phba, t, fcf.redisc_wait);

	/* Don't send FCF rediscovery event if timer cancelled */
	spin_lock_irq(&phba->hbalock);
	if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
		spin_unlock_irq(&phba->hbalock);
		return;
	}
	/* Clear FCF rediscovery timer pending flag */
	phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
	/* FCF rediscovery event to worker thread */
	phba->fcf.fcf_flag |= FCF_REDISC_EVT;
	spin_unlock_irq(&phba->hbalock);
	lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
			"2776 FCF rediscover quiescent timer expired\n");
	/* wake up worker thread */
	lpfc_worker_wake_up(phba);
}

/**
 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
 * @phba: pointer to lpfc hba data structure.
 * @acqe_link: pointer to the async link completion queue entry.
 *
 * This routine is to parse the SLI4 link-attention link fault code.
 **/
static void
lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
			   struct lpfc_acqe_link *acqe_link)
{
	switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
	case LPFC_ASYNC_LINK_FAULT_NONE:
	case LPFC_ASYNC_LINK_FAULT_LOCAL:
	case LPFC_ASYNC_LINK_FAULT_REMOTE:
	case LPFC_ASYNC_LINK_FAULT_LR_LRR:
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0398 Unknown link fault code: x%x\n",
				bf_get(lpfc_acqe_link_fault, acqe_link));
		break;
	}
}

/**
 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
 * @phba: pointer to lpfc hba data structure.
 * @acqe_link: pointer to the async link completion queue entry.
 *
 * This routine is to parse the SLI4 link attention type and translate it
 * into the base driver's link attention type coding.
 *
 * Return: Link attention type in terms of base driver's coding.
 **/
static uint8_t
lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
			  struct lpfc_acqe_link *acqe_link)
{
	uint8_t att_type;

	switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
	case LPFC_ASYNC_LINK_STATUS_DOWN:
	case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
		att_type = LPFC_ATT_LINK_DOWN;
		break;
	case LPFC_ASYNC_LINK_STATUS_UP:
		/* Ignore physical link up events - wait for logical link up */
		att_type = LPFC_ATT_RESERVED;
		break;
	case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
		att_type = LPFC_ATT_LINK_UP;
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0399 Invalid link attention type: x%x\n",
				bf_get(lpfc_acqe_link_status, acqe_link));
		att_type = LPFC_ATT_RESERVED;
		break;
	}
	return att_type;
}

/**
 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is to get an SLI3 FC port's link speed in Mbps.
 *
 * Return: link speed in terms of Mbps.
 **/
uint32_t
lpfc_sli_port_speed_get(struct lpfc_hba *phba)
{
	uint32_t link_speed;

	if (!lpfc_is_link_up(phba))
		return 0;

	if (phba->sli_rev <= LPFC_SLI_REV3) {
		switch (phba->fc_linkspeed) {
		case LPFC_LINK_SPEED_1GHZ:
			link_speed = 1000;
			break;
		case LPFC_LINK_SPEED_2GHZ:
			link_speed = 2000;
			break;
		case LPFC_LINK_SPEED_4GHZ:
			link_speed = 4000;
			break;
		case LPFC_LINK_SPEED_8GHZ:
			link_speed = 8000;
			break;
		case LPFC_LINK_SPEED_10GHZ:
			link_speed = 10000;
			break;
		case LPFC_LINK_SPEED_16GHZ:
			link_speed = 16000;
			break;
		default:
			link_speed = 0;
		}
	} else {
		if (phba->sli4_hba.link_state.logical_speed)
			link_speed =
			      phba->sli4_hba.link_state.logical_speed;
		else
			link_speed = phba->sli4_hba.link_state.speed;
	}
	return link_speed;
}

/**
 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
 * @phba: pointer to lpfc hba data structure.
 * @evt_code: asynchronous event code.
 * @speed_code: asynchronous event link speed code.
 *
 * This routine is to parse the giving SLI4 async event link speed code into
 * value of Mbps for the link speed.
 *
 * Return: link speed in terms of Mbps.
 **/
static uint32_t
lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
			   uint8_t speed_code)
{
	uint32_t port_speed;

	switch (evt_code) {
	case LPFC_TRAILER_CODE_LINK:
		switch (speed_code) {
		case LPFC_ASYNC_LINK_SPEED_ZERO:
			port_speed = 0;
			break;
		case LPFC_ASYNC_LINK_SPEED_10MBPS:
			port_speed = 10;
			break;
		case LPFC_ASYNC_LINK_SPEED_100MBPS:
			port_speed = 100;
			break;
		case LPFC_ASYNC_LINK_SPEED_1GBPS:
			port_speed = 1000;
			break;
		case LPFC_ASYNC_LINK_SPEED_10GBPS:
			port_speed = 10000;
			break;
		case LPFC_ASYNC_LINK_SPEED_20GBPS:
			port_speed = 20000;
			break;
		case LPFC_ASYNC_LINK_SPEED_25GBPS:
			port_speed = 25000;
			break;
		case LPFC_ASYNC_LINK_SPEED_40GBPS:
			port_speed = 40000;
			break;
		default:
			port_speed = 0;
		}
		break;
	case LPFC_TRAILER_CODE_FC:
		switch (speed_code) {
		case LPFC_FC_LA_SPEED_UNKNOWN:
			port_speed = 0;
			break;
		case LPFC_FC_LA_SPEED_1G:
			port_speed = 1000;
			break;
		case LPFC_FC_LA_SPEED_2G:
			port_speed = 2000;
			break;
		case LPFC_FC_LA_SPEED_4G:
			port_speed = 4000;
			break;
		case LPFC_FC_LA_SPEED_8G:
			port_speed = 8000;
			break;
		case LPFC_FC_LA_SPEED_10G:
			port_speed = 10000;
			break;
		case LPFC_FC_LA_SPEED_16G:
			port_speed = 16000;
			break;
		case LPFC_FC_LA_SPEED_32G:
			port_speed = 32000;
			break;
		case LPFC_FC_LA_SPEED_64G:
			port_speed = 64000;
			break;
		case LPFC_FC_LA_SPEED_128G:
			port_speed = 128000;
			break;
		default:
			port_speed = 0;
		}
		break;
	default:
		port_speed = 0;
	}
	return port_speed;
}

/**
 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
 * @phba: pointer to lpfc hba data structure.
 * @acqe_link: pointer to the async link completion queue entry.
 *
 * This routine is to handle the SLI4 asynchronous FCoE link event.
 **/
static void
lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
			 struct lpfc_acqe_link *acqe_link)
{
	struct lpfc_dmabuf *mp;
	LPFC_MBOXQ_t *pmb;
	MAILBOX_t *mb;
	struct lpfc_mbx_read_top *la;
	uint8_t att_type;
	int rc;

	att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
	if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
		return;
	phba->fcoe_eventtag = acqe_link->event_tag;
	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"0395 The mboxq allocation failed\n");
		return;
	}
	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
	if (!mp) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"0396 The lpfc_dmabuf allocation failed\n");
		goto out_free_pmb;
	}
	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
	if (!mp->virt) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"0397 The mbuf allocation failed\n");
		goto out_free_dmabuf;
	}

	/* Cleanup any outstanding ELS commands */
	lpfc_els_flush_all_cmd(phba);

	/* Block ELS IOCBs until we have done process link event */
	phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT;

	/* Update link event statistics */
	phba->sli.slistat.link_event++;

	/* Create lpfc_handle_latt mailbox command from link ACQE */
	lpfc_read_topology(phba, pmb, mp);
	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
	pmb->vport = phba->pport;

	/* Keep the link status for extra SLI4 state machine reference */
	phba->sli4_hba.link_state.speed =
			lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
				bf_get(lpfc_acqe_link_speed, acqe_link));
	phba->sli4_hba.link_state.duplex =
				bf_get(lpfc_acqe_link_duplex, acqe_link);
	phba->sli4_hba.link_state.status =
				bf_get(lpfc_acqe_link_status, acqe_link);
	phba->sli4_hba.link_state.type =
				bf_get(lpfc_acqe_link_type, acqe_link);
	phba->sli4_hba.link_state.number =
				bf_get(lpfc_acqe_link_number, acqe_link);
	phba->sli4_hba.link_state.fault =
				bf_get(lpfc_acqe_link_fault, acqe_link);
	phba->sli4_hba.link_state.logical_speed =
			bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;

	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
			"2900 Async FC/FCoE Link event - Speed:%dGBit "
			"duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
			"Logical speed:%dMbps Fault:%d\n",
			phba->sli4_hba.link_state.speed,
			phba->sli4_hba.link_state.topology,
			phba->sli4_hba.link_state.status,
			phba->sli4_hba.link_state.type,
			phba->sli4_hba.link_state.number,
			phba->sli4_hba.link_state.logical_speed,
			phba->sli4_hba.link_state.fault);
	/*
	 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
	 * topology info. Note: Optional for non FC-AL ports.
	 */
	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
		if (rc == MBX_NOT_FINISHED)
			goto out_free_dmabuf;
		return;
	}
	/*
	 * For FCoE Mode: fill in all the topology information we need and call
	 * the READ_TOPOLOGY completion routine to continue without actually
	 * sending the READ_TOPOLOGY mailbox command to the port.
	 */
	/* Initialize completion status */
	mb = &pmb->u.mb;
	mb->mbxStatus = MBX_SUCCESS;

	/* Parse port fault information field */
	lpfc_sli4_parse_latt_fault(phba, acqe_link);

	/* Parse and translate link attention fields */
	la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
	la->eventTag = acqe_link->event_tag;
	bf_set(lpfc_mbx_read_top_att_type, la, att_type);
	bf_set(lpfc_mbx_read_top_link_spd, la,
	       (bf_get(lpfc_acqe_link_speed, acqe_link)));

	/* Fake the the following irrelvant fields */
	bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
	bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
	bf_set(lpfc_mbx_read_top_il, la, 0);
	bf_set(lpfc_mbx_read_top_pb, la, 0);
	bf_set(lpfc_mbx_read_top_fa, la, 0);
	bf_set(lpfc_mbx_read_top_mm, la, 0);

	/* Invoke the lpfc_handle_latt mailbox command callback function */
	lpfc_mbx_cmpl_read_topology(phba, pmb);

	return;

out_free_dmabuf:
	kfree(mp);
out_free_pmb:
	mempool_free(pmb, phba->mbox_mem_pool);
}

/**
 * lpfc_async_link_speed_to_read_top - Parse async evt link speed code to read
 * topology.
 * @phba: pointer to lpfc hba data structure.
 * @evt_code: asynchronous event code.
 * @speed_code: asynchronous event link speed code.
 *
 * This routine is to parse the giving SLI4 async event link speed code into
 * value of Read topology link speed.
 *
 * Return: link speed in terms of Read topology.
 **/
static uint8_t
lpfc_async_link_speed_to_read_top(struct lpfc_hba *phba, uint8_t speed_code)
{
	uint8_t port_speed;

	switch (speed_code) {
	case LPFC_FC_LA_SPEED_1G:
		port_speed = LPFC_LINK_SPEED_1GHZ;
		break;
	case LPFC_FC_LA_SPEED_2G:
		port_speed = LPFC_LINK_SPEED_2GHZ;
		break;
	case LPFC_FC_LA_SPEED_4G:
		port_speed = LPFC_LINK_SPEED_4GHZ;
		break;
	case LPFC_FC_LA_SPEED_8G:
		port_speed = LPFC_LINK_SPEED_8GHZ;
		break;
	case LPFC_FC_LA_SPEED_16G:
		port_speed = LPFC_LINK_SPEED_16GHZ;
		break;
	case LPFC_FC_LA_SPEED_32G:
		port_speed = LPFC_LINK_SPEED_32GHZ;
		break;
	case LPFC_FC_LA_SPEED_64G:
		port_speed = LPFC_LINK_SPEED_64GHZ;
		break;
	case LPFC_FC_LA_SPEED_128G:
		port_speed = LPFC_LINK_SPEED_128GHZ;
		break;
	case LPFC_FC_LA_SPEED_256G:
		port_speed = LPFC_LINK_SPEED_256GHZ;
		break;
	default:
		port_speed = 0;
		break;
	}

	return port_speed;
}

#define trunk_link_status(__idx)\
	bf_get(lpfc_acqe_fc_la_trunk_config_port##__idx, acqe_fc) ?\
	       ((phba->trunk_link.link##__idx.state == LPFC_LINK_UP) ?\
		"Link up" : "Link down") : "NA"
/* Did port __idx reported an error */
#define trunk_port_fault(__idx)\
	bf_get(lpfc_acqe_fc_la_trunk_config_port##__idx, acqe_fc) ?\
	       (port_fault & (1 << __idx) ? "YES" : "NO") : "NA"

static void
lpfc_update_trunk_link_status(struct lpfc_hba *phba,
			      struct lpfc_acqe_fc_la *acqe_fc)
{
	uint8_t port_fault = bf_get(lpfc_acqe_fc_la_trunk_linkmask, acqe_fc);
	uint8_t err = bf_get(lpfc_acqe_fc_la_trunk_fault, acqe_fc);

	phba->sli4_hba.link_state.speed =
		lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
				bf_get(lpfc_acqe_fc_la_speed, acqe_fc));

	phba->sli4_hba.link_state.logical_speed =
				bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc);
	/* We got FC link speed, convert to fc_linkspeed (READ_TOPOLOGY) */
	phba->fc_linkspeed =
		 lpfc_async_link_speed_to_read_top(
				phba,
				bf_get(lpfc_acqe_fc_la_speed, acqe_fc));

	if (bf_get(lpfc_acqe_fc_la_trunk_config_port0, acqe_fc)) {
		phba->trunk_link.link0.state =
			bf_get(lpfc_acqe_fc_la_trunk_link_status_port0, acqe_fc)
			? LPFC_LINK_UP : LPFC_LINK_DOWN;
		phba->trunk_link.link0.fault = port_fault & 0x1 ? err : 0;
	}
	if (bf_get(lpfc_acqe_fc_la_trunk_config_port1, acqe_fc)) {
		phba->trunk_link.link1.state =
			bf_get(lpfc_acqe_fc_la_trunk_link_status_port1, acqe_fc)
			? LPFC_LINK_UP : LPFC_LINK_DOWN;
		phba->trunk_link.link1.fault = port_fault & 0x2 ? err : 0;
	}
	if (bf_get(lpfc_acqe_fc_la_trunk_config_port2, acqe_fc)) {
		phba->trunk_link.link2.state =
			bf_get(lpfc_acqe_fc_la_trunk_link_status_port2, acqe_fc)
			? LPFC_LINK_UP : LPFC_LINK_DOWN;
		phba->trunk_link.link2.fault = port_fault & 0x4 ? err : 0;
	}
	if (bf_get(lpfc_acqe_fc_la_trunk_config_port3, acqe_fc)) {
		phba->trunk_link.link3.state =
			bf_get(lpfc_acqe_fc_la_trunk_link_status_port3, acqe_fc)
			? LPFC_LINK_UP : LPFC_LINK_DOWN;
		phba->trunk_link.link3.fault = port_fault & 0x8 ? err : 0;
	}

	lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
			"2910 Async FC Trunking Event - Speed:%d\n"
			"\tLogical speed:%d "
			"port0: %s port1: %s port2: %s port3: %s\n",
			phba->sli4_hba.link_state.speed,
			phba->sli4_hba.link_state.logical_speed,
			trunk_link_status(0), trunk_link_status(1),
			trunk_link_status(2), trunk_link_status(3));

	if (port_fault)
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"3202 trunk error:0x%x (%s) seen on port0:%s "
				/*
				 * SLI-4: We have only 0xA error codes
				 * defined as of now. print an appropriate
				 * message in case driver needs to be updated.
				 */
				"port1:%s port2:%s port3:%s\n", err, err > 0xA ?
				"UNDEFINED. update driver." : trunk_errmsg[err],
				trunk_port_fault(0), trunk_port_fault(1),
				trunk_port_fault(2), trunk_port_fault(3));
}


/**
 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
 * @phba: pointer to lpfc hba data structure.
 * @acqe_fc: pointer to the async fc completion queue entry.
 *
 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
 * that the event was received and then issue a read_topology mailbox command so
 * that the rest of the driver will treat it the same as SLI3.
 **/
static void
lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
{
	struct lpfc_dmabuf *mp;
	LPFC_MBOXQ_t *pmb;
	MAILBOX_t *mb;
	struct lpfc_mbx_read_top *la;
	int rc;

	if (bf_get(lpfc_trailer_type, acqe_fc) !=
	    LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"2895 Non FC link Event detected.(%d)\n",
				bf_get(lpfc_trailer_type, acqe_fc));
		return;
	}

	if (bf_get(lpfc_acqe_fc_la_att_type, acqe_fc) ==
	    LPFC_FC_LA_TYPE_TRUNKING_EVENT) {
		lpfc_update_trunk_link_status(phba, acqe_fc);
		return;
	}

	/* Keep the link status for extra SLI4 state machine reference */
	phba->sli4_hba.link_state.speed =
			lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
				bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
	phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
	phba->sli4_hba.link_state.topology =
				bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
	phba->sli4_hba.link_state.status =
				bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
	phba->sli4_hba.link_state.type =
				bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
	phba->sli4_hba.link_state.number =
				bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
	phba->sli4_hba.link_state.fault =
				bf_get(lpfc_acqe_link_fault, acqe_fc);
	phba->sli4_hba.link_state.logical_speed =
				bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
			"2896 Async FC event - Speed:%dGBaud Topology:x%x "
			"LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
			"%dMbps Fault:%d\n",
			phba->sli4_hba.link_state.speed,
			phba->sli4_hba.link_state.topology,
			phba->sli4_hba.link_state.status,
			phba->sli4_hba.link_state.type,
			phba->sli4_hba.link_state.number,
			phba->sli4_hba.link_state.logical_speed,
			phba->sli4_hba.link_state.fault);
	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"2897 The mboxq allocation failed\n");
		return;
	}
	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
	if (!mp) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"2898 The lpfc_dmabuf allocation failed\n");
		goto out_free_pmb;
	}
	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
	if (!mp->virt) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"2899 The mbuf allocation failed\n");
		goto out_free_dmabuf;
	}

	/* Cleanup any outstanding ELS commands */
	lpfc_els_flush_all_cmd(phba);

	/* Block ELS IOCBs until we have done process link event */
	phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT;

	/* Update link event statistics */
	phba->sli.slistat.link_event++;

	/* Create lpfc_handle_latt mailbox command from link ACQE */
	lpfc_read_topology(phba, pmb, mp);
	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
	pmb->vport = phba->pport;

	if (phba->sli4_hba.link_state.status != LPFC_FC_LA_TYPE_LINK_UP) {
		phba->link_flag &= ~(LS_MDS_LINK_DOWN | LS_MDS_LOOPBACK);

		switch (phba->sli4_hba.link_state.status) {
		case LPFC_FC_LA_TYPE_MDS_LINK_DOWN:
			phba->link_flag |= LS_MDS_LINK_DOWN;
			break;
		case LPFC_FC_LA_TYPE_MDS_LOOPBACK:
			phba->link_flag |= LS_MDS_LOOPBACK;
			break;
		default:
			break;
		}

		/* Initialize completion status */
		mb = &pmb->u.mb;
		mb->mbxStatus = MBX_SUCCESS;

		/* Parse port fault information field */
		lpfc_sli4_parse_latt_fault(phba, (void *)acqe_fc);

		/* Parse and translate link attention fields */
		la = (struct lpfc_mbx_read_top *)&pmb->u.mb.un.varReadTop;
		la->eventTag = acqe_fc->event_tag;

		if (phba->sli4_hba.link_state.status ==
		    LPFC_FC_LA_TYPE_UNEXP_WWPN) {
			bf_set(lpfc_mbx_read_top_att_type, la,
			       LPFC_FC_LA_TYPE_UNEXP_WWPN);
		} else {
			bf_set(lpfc_mbx_read_top_att_type, la,
			       LPFC_FC_LA_TYPE_LINK_DOWN);
		}
		/* Invoke the mailbox command callback function */
		lpfc_mbx_cmpl_read_topology(phba, pmb);

		return;
	}

	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
	if (rc == MBX_NOT_FINISHED)
		goto out_free_dmabuf;
	return;

out_free_dmabuf:
	kfree(mp);
out_free_pmb:
	mempool_free(pmb, phba->mbox_mem_pool);
}

/**
 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
 * @phba: pointer to lpfc hba data structure.
 * @acqe_fc: pointer to the async SLI completion queue entry.
 *
 * This routine is to handle the SLI4 asynchronous SLI events.
 **/
static void
lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
{
	char port_name;
	char message[128];
	uint8_t status;
	uint8_t evt_type;
	uint8_t operational = 0;
	struct temp_event temp_event_data;
	struct lpfc_acqe_misconfigured_event *misconfigured;
	struct Scsi_Host  *shost;
	struct lpfc_vport **vports;
	int rc, i;

	evt_type = bf_get(lpfc_trailer_type, acqe_sli);

	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
			"2901 Async SLI event - Event Data1:x%08x Event Data2:"
			"x%08x SLI Event Type:%d\n",
			acqe_sli->event_data1, acqe_sli->event_data2,
			evt_type);

	port_name = phba->Port[0];
	if (port_name == 0x00)
		port_name = '?'; /* get port name is empty */

	switch (evt_type) {
	case LPFC_SLI_EVENT_TYPE_OVER_TEMP:
		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
		temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
		temp_event_data.data = (uint32_t)acqe_sli->event_data1;

		lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
				"3190 Over Temperature:%d Celsius- Port Name %c\n",
				acqe_sli->event_data1, port_name);

		phba->sfp_warning |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE;
		shost = lpfc_shost_from_vport(phba->pport);
		fc_host_post_vendor_event(shost, fc_get_event_number(),
					  sizeof(temp_event_data),
					  (char *)&temp_event_data,
					  SCSI_NL_VID_TYPE_PCI
					  | PCI_VENDOR_ID_EMULEX);
		break;
	case LPFC_SLI_EVENT_TYPE_NORM_TEMP:
		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
		temp_event_data.event_code = LPFC_NORMAL_TEMP;
		temp_event_data.data = (uint32_t)acqe_sli->event_data1;

		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"3191 Normal Temperature:%d Celsius - Port Name %c\n",
				acqe_sli->event_data1, port_name);

		shost = lpfc_shost_from_vport(phba->pport);
		fc_host_post_vendor_event(shost, fc_get_event_number(),
					  sizeof(temp_event_data),
					  (char *)&temp_event_data,
					  SCSI_NL_VID_TYPE_PCI
					  | PCI_VENDOR_ID_EMULEX);
		break;
	case LPFC_SLI_EVENT_TYPE_MISCONFIGURED:
		misconfigured = (struct lpfc_acqe_misconfigured_event *)
					&acqe_sli->event_data1;

		/* fetch the status for this port */
		switch (phba->sli4_hba.lnk_info.lnk_no) {
		case LPFC_LINK_NUMBER_0:
			status = bf_get(lpfc_sli_misconfigured_port0_state,
					&misconfigured->theEvent);
			operational = bf_get(lpfc_sli_misconfigured_port0_op,
					&misconfigured->theEvent);
			break;
		case LPFC_LINK_NUMBER_1:
			status = bf_get(lpfc_sli_misconfigured_port1_state,
					&misconfigured->theEvent);
			operational = bf_get(lpfc_sli_misconfigured_port1_op,
					&misconfigured->theEvent);
			break;
		case LPFC_LINK_NUMBER_2:
			status = bf_get(lpfc_sli_misconfigured_port2_state,
					&misconfigured->theEvent);
			operational = bf_get(lpfc_sli_misconfigured_port2_op,
					&misconfigured->theEvent);
			break;
		case LPFC_LINK_NUMBER_3:
			status = bf_get(lpfc_sli_misconfigured_port3_state,
					&misconfigured->theEvent);
			operational = bf_get(lpfc_sli_misconfigured_port3_op,
					&misconfigured->theEvent);
			break;
		default:
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"3296 "
					"LPFC_SLI_EVENT_TYPE_MISCONFIGURED "
					"event: Invalid link %d",
					phba->sli4_hba.lnk_info.lnk_no);
			return;
		}

		/* Skip if optic state unchanged */
		if (phba->sli4_hba.lnk_info.optic_state == status)
			return;

		switch (status) {
		case LPFC_SLI_EVENT_STATUS_VALID:
			sprintf(message, "Physical Link is functional");
			break;
		case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
			sprintf(message, "Optics faulted/incorrectly "
				"installed/not installed - Reseat optics, "
				"if issue not resolved, replace.");
			break;
		case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
			sprintf(message,
				"Optics of two types installed - Remove one "
				"optic or install matching pair of optics.");
			break;
		case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
			sprintf(message, "Incompatible optics - Replace with "
				"compatible optics for card to function.");
			break;
		case LPFC_SLI_EVENT_STATUS_UNQUALIFIED:
			sprintf(message, "Unqualified optics - Replace with "
				"Avago optics for Warranty and Technical "
				"Support - Link is%s operational",
				(operational) ? " not" : "");
			break;
		case LPFC_SLI_EVENT_STATUS_UNCERTIFIED:
			sprintf(message, "Uncertified optics - Replace with "
				"Avago-certified optics to enable link "
				"operation - Link is%s operational",
				(operational) ? " not" : "");
			break;
		default:
			/* firmware is reporting a status we don't know about */
			sprintf(message, "Unknown event status x%02x", status);
			break;
		}

		/* Issue READ_CONFIG mbox command to refresh supported speeds */
		rc = lpfc_sli4_read_config(phba);
		if (rc) {
			phba->lmt = 0;
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"3194 Unable to retrieve supported "
					"speeds, rc = 0x%x\n", rc);
		}
		vports = lpfc_create_vport_work_array(phba);
		if (vports != NULL) {
			for (i = 0; i <= phba->max_vports && vports[i] != NULL;
					i++) {
				shost = lpfc_shost_from_vport(vports[i]);
				lpfc_host_supported_speeds_set(shost);
			}
		}
		lpfc_destroy_vport_work_array(phba, vports);

		phba->sli4_hba.lnk_info.optic_state = status;
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"3176 Port Name %c %s\n", port_name, message);
		break;
	case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT:
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"3192 Remote DPort Test Initiated - "
				"Event Data1:x%08x Event Data2: x%08x\n",
				acqe_sli->event_data1, acqe_sli->event_data2);
		break;
	default:
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"3193 Async SLI event - Event Data1:x%08x Event Data2:"
				"x%08x SLI Event Type:%d\n",
				acqe_sli->event_data1, acqe_sli->event_data2,
				evt_type);
		break;
	}
}

/**
 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
 * @vport: pointer to vport data structure.
 *
 * This routine is to perform Clear Virtual Link (CVL) on a vport in
 * response to a CVL event.
 *
 * Return the pointer to the ndlp with the vport if successful, otherwise
 * return NULL.
 **/
static struct lpfc_nodelist *
lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
{
	struct lpfc_nodelist *ndlp;
	struct Scsi_Host *shost;
	struct lpfc_hba *phba;

	if (!vport)
		return NULL;
	phba = vport->phba;
	if (!phba)
		return NULL;
	ndlp = lpfc_findnode_did(vport, Fabric_DID);
	if (!ndlp) {
		/* Cannot find existing Fabric ndlp, so allocate a new one */
		ndlp = lpfc_nlp_init(vport, Fabric_DID);
		if (!ndlp)
			return 0;
		/* Set the node type */
		ndlp->nlp_type |= NLP_FABRIC;
		/* Put ndlp onto node list */
		lpfc_enqueue_node(vport, ndlp);
	} else if (!NLP_CHK_NODE_ACT(ndlp)) {
		/* re-setup ndlp without removing from node list */
		ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
		if (!ndlp)
			return 0;
	}
	if ((phba->pport->port_state < LPFC_FLOGI) &&
		(phba->pport->port_state != LPFC_VPORT_FAILED))
		return NULL;
	/* If virtual link is not yet instantiated ignore CVL */
	if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
		&& (vport->port_state != LPFC_VPORT_FAILED))
		return NULL;
	shost = lpfc_shost_from_vport(vport);
	if (!shost)
		return NULL;
	lpfc_linkdown_port(vport);
	lpfc_cleanup_pending_mbox(vport);
	spin_lock_irq(shost->host_lock);
	vport->fc_flag |= FC_VPORT_CVL_RCVD;
	spin_unlock_irq(shost->host_lock);

	return ndlp;
}

/**
 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
 * @vport: pointer to lpfc hba data structure.
 *
 * This routine is to perform Clear Virtual Link (CVL) on all vports in
 * response to a FCF dead event.
 **/
static void
lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
{
	struct lpfc_vport **vports;
	int i;

	vports = lpfc_create_vport_work_array(phba);
	if (vports)
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
			lpfc_sli4_perform_vport_cvl(vports[i]);
	lpfc_destroy_vport_work_array(phba, vports);
}

/**
 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
 * @phba: pointer to lpfc hba data structure.
 * @acqe_link: pointer to the async fcoe completion queue entry.
 *
 * This routine is to handle the SLI4 asynchronous fcoe event.
 **/
static void
lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
			struct lpfc_acqe_fip *acqe_fip)
{
	uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
	int rc;
	struct lpfc_vport *vport;
	struct lpfc_nodelist *ndlp;
	struct Scsi_Host  *shost;
	int active_vlink_present;
	struct lpfc_vport **vports;
	int i;

	phba->fc_eventTag = acqe_fip->event_tag;
	phba->fcoe_eventtag = acqe_fip->event_tag;
	switch (event_type) {
	case LPFC_FIP_EVENT_TYPE_NEW_FCF:
	case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
		if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
			lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
					LOG_DISCOVERY,
					"2546 New FCF event, evt_tag:x%x, "
					"index:x%x\n",
					acqe_fip->event_tag,
					acqe_fip->index);
		else
			lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
					LOG_DISCOVERY,
					"2788 FCF param modified event, "
					"evt_tag:x%x, index:x%x\n",
					acqe_fip->event_tag,
					acqe_fip->index);
		if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
			/*
			 * During period of FCF discovery, read the FCF
			 * table record indexed by the event to update
			 * FCF roundrobin failover eligible FCF bmask.
			 */
			lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
					LOG_DISCOVERY,
					"2779 Read FCF (x%x) for updating "
					"roundrobin FCF failover bmask\n",
					acqe_fip->index);
			rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
		}

		/* If the FCF discovery is in progress, do nothing. */
		spin_lock_irq(&phba->hbalock);
		if (phba->hba_flag & FCF_TS_INPROG) {
			spin_unlock_irq(&phba->hbalock);
			break;
		}
		/* If fast FCF failover rescan event is pending, do nothing */
		if (phba->fcf.fcf_flag & (FCF_REDISC_EVT | FCF_REDISC_PEND)) {
			spin_unlock_irq(&phba->hbalock);
			break;
		}

		/* If the FCF has been in discovered state, do nothing. */
		if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
			spin_unlock_irq(&phba->hbalock);
			break;
		}
		spin_unlock_irq(&phba->hbalock);

		/* Otherwise, scan the entire FCF table and re-discover SAN */
		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
				"2770 Start FCF table scan per async FCF "
				"event, evt_tag:x%x, index:x%x\n",
				acqe_fip->event_tag, acqe_fip->index);
		rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
						     LPFC_FCOE_FCF_GET_FIRST);
		if (rc)
			lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
					"2547 Issue FCF scan read FCF mailbox "
					"command failed (x%x)\n", rc);
		break;

	case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
			"2548 FCF Table full count 0x%x tag 0x%x\n",
			bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
			acqe_fip->event_tag);
		break;

	case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
		phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
			"2549 FCF (x%x) disconnected from network, "
			"tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
		/*
		 * If we are in the middle of FCF failover process, clear
		 * the corresponding FCF bit in the roundrobin bitmap.
		 */
		spin_lock_irq(&phba->hbalock);
		if ((phba->fcf.fcf_flag & FCF_DISCOVERY) &&
		    (phba->fcf.current_rec.fcf_indx != acqe_fip->index)) {
			spin_unlock_irq(&phba->hbalock);
			/* Update FLOGI FCF failover eligible FCF bmask */
			lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
			break;
		}
		spin_unlock_irq(&phba->hbalock);

		/* If the event is not for currently used fcf do nothing */
		if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
			break;

		/*
		 * Otherwise, request the port to rediscover the entire FCF
		 * table for a fast recovery from case that the current FCF
		 * is no longer valid as we are not in the middle of FCF
		 * failover process already.
		 */
		spin_lock_irq(&phba->hbalock);
		/* Mark the fast failover process in progress */
		phba->fcf.fcf_flag |= FCF_DEAD_DISC;
		spin_unlock_irq(&phba->hbalock);

		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
				"2771 Start FCF fast failover process due to "
				"FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
				"\n", acqe_fip->event_tag, acqe_fip->index);
		rc = lpfc_sli4_redisc_fcf_table(phba);
		if (rc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
					LOG_DISCOVERY,
					"2772 Issue FCF rediscover mailbox "
					"command failed, fail through to FCF "
					"dead event\n");
			spin_lock_irq(&phba->hbalock);
			phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
			spin_unlock_irq(&phba->hbalock);
			/*
			 * Last resort will fail over by treating this
			 * as a link down to FCF registration.
			 */
			lpfc_sli4_fcf_dead_failthrough(phba);
		} else {
			/* Reset FCF roundrobin bmask for new discovery */
			lpfc_sli4_clear_fcf_rr_bmask(phba);
			/*
			 * Handling fast FCF failover to a DEAD FCF event is
			 * considered equalivant to receiving CVL to all vports.
			 */
			lpfc_sli4_perform_all_vport_cvl(phba);
		}
		break;
	case LPFC_FIP_EVENT_TYPE_CVL:
		phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
			"2718 Clear Virtual Link Received for VPI 0x%x"
			" tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);

		vport = lpfc_find_vport_by_vpid(phba,
						acqe_fip->index);
		ndlp = lpfc_sli4_perform_vport_cvl(vport);
		if (!ndlp)
			break;
		active_vlink_present = 0;

		vports = lpfc_create_vport_work_array(phba);
		if (vports) {
			for (i = 0; i <= phba->max_vports && vports[i] != NULL;
					i++) {
				if ((!(vports[i]->fc_flag &
					FC_VPORT_CVL_RCVD)) &&
					(vports[i]->port_state > LPFC_FDISC)) {
					active_vlink_present = 1;
					break;
				}
			}
			lpfc_destroy_vport_work_array(phba, vports);
		}

		/*
		 * Don't re-instantiate if vport is marked for deletion.
		 * If we are here first then vport_delete is going to wait
		 * for discovery to complete.
		 */
		if (!(vport->load_flag & FC_UNLOADING) &&
					active_vlink_present) {
			/*
			 * If there are other active VLinks present,
			 * re-instantiate the Vlink using FDISC.
			 */
			mod_timer(&ndlp->nlp_delayfunc,
				  jiffies + msecs_to_jiffies(1000));
			shost = lpfc_shost_from_vport(vport);
			spin_lock_irq(shost->host_lock);
			ndlp->nlp_flag |= NLP_DELAY_TMO;
			spin_unlock_irq(shost->host_lock);
			ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
			vport->port_state = LPFC_FDISC;
		} else {
			/*
			 * Otherwise, we request port to rediscover
			 * the entire FCF table for a fast recovery
			 * from possible case that the current FCF
			 * is no longer valid if we are not already
			 * in the FCF failover process.
			 */
			spin_lock_irq(&phba->hbalock);
			if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
				spin_unlock_irq(&phba->hbalock);
				break;
			}
			/* Mark the fast failover process in progress */
			phba->fcf.fcf_flag |= FCF_ACVL_DISC;
			spin_unlock_irq(&phba->hbalock);
			lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
					LOG_DISCOVERY,
					"2773 Start FCF failover per CVL, "
					"evt_tag:x%x\n", acqe_fip->event_tag);
			rc = lpfc_sli4_redisc_fcf_table(phba);
			if (rc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
						LOG_DISCOVERY,
						"2774 Issue FCF rediscover "
						"mailbox command failed, "
						"through to CVL event\n");
				spin_lock_irq(&phba->hbalock);
				phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
				spin_unlock_irq(&phba->hbalock);
				/*
				 * Last resort will be re-try on the
				 * the current registered FCF entry.
				 */
				lpfc_retry_pport_discovery(phba);
			} else
				/*
				 * Reset FCF roundrobin bmask for new
				 * discovery.
				 */
				lpfc_sli4_clear_fcf_rr_bmask(phba);
		}
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
			"0288 Unknown FCoE event type 0x%x event tag "
			"0x%x\n", event_type, acqe_fip->event_tag);
		break;
	}
}

/**
 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
 * @phba: pointer to lpfc hba data structure.
 * @acqe_link: pointer to the async dcbx completion queue entry.
 *
 * This routine is to handle the SLI4 asynchronous dcbx event.
 **/
static void
lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
			 struct lpfc_acqe_dcbx *acqe_dcbx)
{
	phba->fc_eventTag = acqe_dcbx->event_tag;
	lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
			"0290 The SLI4 DCBX asynchronous event is not "
			"handled yet\n");
}

/**
 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
 * @phba: pointer to lpfc hba data structure.
 * @acqe_link: pointer to the async grp5 completion queue entry.
 *
 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
 * is an asynchronous notified of a logical link speed change.  The Port
 * reports the logical link speed in units of 10Mbps.
 **/
static void
lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
			 struct lpfc_acqe_grp5 *acqe_grp5)
{
	uint16_t prev_ll_spd;

	phba->fc_eventTag = acqe_grp5->event_tag;
	phba->fcoe_eventtag = acqe_grp5->event_tag;
	prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
	phba->sli4_hba.link_state.logical_speed =
		(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
			"2789 GRP5 Async Event: Updating logical link speed "
			"from %dMbps to %dMbps\n", prev_ll_spd,
			phba->sli4_hba.link_state.logical_speed);
}

/**
 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked by the worker thread to process all the pending
 * SLI4 asynchronous events.
 **/
void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
{
	struct lpfc_cq_event *cq_event;

	/* First, declare the async event has been handled */
	spin_lock_irq(&phba->hbalock);
	phba->hba_flag &= ~ASYNC_EVENT;
	spin_unlock_irq(&phba->hbalock);
	/* Now, handle all the async events */
	while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
		/* Get the first event from the head of the event queue */
		spin_lock_irq(&phba->hbalock);
		list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
				 cq_event, struct lpfc_cq_event, list);
		spin_unlock_irq(&phba->hbalock);
		/* Process the asynchronous event */
		switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
		case LPFC_TRAILER_CODE_LINK:
			lpfc_sli4_async_link_evt(phba,
						 &cq_event->cqe.acqe_link);
			break;
		case LPFC_TRAILER_CODE_FCOE:
			lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
			break;
		case LPFC_TRAILER_CODE_DCBX:
			lpfc_sli4_async_dcbx_evt(phba,
						 &cq_event->cqe.acqe_dcbx);
			break;
		case LPFC_TRAILER_CODE_GRP5:
			lpfc_sli4_async_grp5_evt(phba,
						 &cq_event->cqe.acqe_grp5);
			break;
		case LPFC_TRAILER_CODE_FC:
			lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
			break;
		case LPFC_TRAILER_CODE_SLI:
			lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
			break;
		default:
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"1804 Invalid asynchrous event code: "
					"x%x\n", bf_get(lpfc_trailer_code,
					&cq_event->cqe.mcqe_cmpl));
			break;
		}
		/* Free the completion event processed to the free pool */
		lpfc_sli4_cq_event_release(phba, cq_event);
	}
}

/**
 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked by the worker thread to process FCF table
 * rediscovery pending completion event.
 **/
void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
{
	int rc;

	spin_lock_irq(&phba->hbalock);
	/* Clear FCF rediscovery timeout event */
	phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
	/* Clear driver fast failover FCF record flag */
	phba->fcf.failover_rec.flag = 0;
	/* Set state for FCF fast failover */
	phba->fcf.fcf_flag |= FCF_REDISC_FOV;
	spin_unlock_irq(&phba->hbalock);

	/* Scan FCF table from the first entry to re-discover SAN */
	lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
			"2777 Start post-quiescent FCF table scan\n");
	rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
	if (rc)
		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
				"2747 Issue FCF scan read FCF mailbox "
				"command failed 0x%x\n", rc);
}

/**
 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
 * @phba: pointer to lpfc hba data structure.
 * @dev_grp: The HBA PCI-Device group number.
 *
 * This routine is invoked to set up the per HBA PCI-Device group function
 * API jump table entries.
 *
 * Return: 0 if success, otherwise -ENODEV
 **/
int
lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
{
	int rc;

	/* Set up lpfc PCI-device group */
	phba->pci_dev_grp = dev_grp;

	/* The LPFC_PCI_DEV_OC uses SLI4 */
	if (dev_grp == LPFC_PCI_DEV_OC)
		phba->sli_rev = LPFC_SLI_REV4;

	/* Set up device INIT API function jump table */
	rc = lpfc_init_api_table_setup(phba, dev_grp);
	if (rc)
		return -ENODEV;
	/* Set up SCSI API function jump table */
	rc = lpfc_scsi_api_table_setup(phba, dev_grp);
	if (rc)
		return -ENODEV;
	/* Set up SLI API function jump table */
	rc = lpfc_sli_api_table_setup(phba, dev_grp);
	if (rc)
		return -ENODEV;
	/* Set up MBOX API function jump table */
	rc = lpfc_mbox_api_table_setup(phba, dev_grp);
	if (rc)
		return -ENODEV;

	return 0;
}

/**
 * lpfc_log_intr_mode - Log the active interrupt mode
 * @phba: pointer to lpfc hba data structure.
 * @intr_mode: active interrupt mode adopted.
 *
 * This routine it invoked to log the currently used active interrupt mode
 * to the device.
 **/
static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
{
	switch (intr_mode) {
	case 0:
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0470 Enable INTx interrupt mode.\n");
		break;
	case 1:
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0481 Enabled MSI interrupt mode.\n");
		break;
	case 2:
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0480 Enabled MSI-X interrupt mode.\n");
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0482 Illegal interrupt mode.\n");
		break;
	}
	return;
}

/**
 * lpfc_enable_pci_dev - Enable a generic PCI device.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to enable the PCI device that is common to all
 * PCI devices.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 **/
static int
lpfc_enable_pci_dev(struct lpfc_hba *phba)
{
	struct pci_dev *pdev;

	/* Obtain PCI device reference */
	if (!phba->pcidev)
		goto out_error;
	else
		pdev = phba->pcidev;
	/* Enable PCI device */
	if (pci_enable_device_mem(pdev))
		goto out_error;
	/* Request PCI resource for the device */
	if (pci_request_mem_regions(pdev, LPFC_DRIVER_NAME))
		goto out_disable_device;
	/* Set up device as PCI master and save state for EEH */
	pci_set_master(pdev);
	pci_try_set_mwi(pdev);
	pci_save_state(pdev);

	/* PCIe EEH recovery on powerpc platforms needs fundamental reset */
	if (pci_is_pcie(pdev))
		pdev->needs_freset = 1;

	return 0;

out_disable_device:
	pci_disable_device(pdev);
out_error:
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"1401 Failed to enable pci device\n");
	return -ENODEV;
}

/**
 * lpfc_disable_pci_dev - Disable a generic PCI device.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to disable the PCI device that is common to all
 * PCI devices.
 **/
static void
lpfc_disable_pci_dev(struct lpfc_hba *phba)
{
	struct pci_dev *pdev;

	/* Obtain PCI device reference */
	if (!phba->pcidev)
		return;
	else
		pdev = phba->pcidev;
	/* Release PCI resource and disable PCI device */
	pci_release_mem_regions(pdev);
	pci_disable_device(pdev);

	return;
}

/**
 * lpfc_reset_hba - Reset a hba
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to reset a hba device. It brings the HBA
 * offline, performs a board restart, and then brings the board back
 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
 * on outstanding mailbox commands.
 **/
void
lpfc_reset_hba(struct lpfc_hba *phba)
{
	/* If resets are disabled then set error state and return. */
	if (!phba->cfg_enable_hba_reset) {
		phba->link_state = LPFC_HBA_ERROR;
		return;
	}
	if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
		lpfc_offline_prep(phba, LPFC_MBX_WAIT);
	else
		lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
	lpfc_offline(phba);
	lpfc_sli_brdrestart(phba);
	lpfc_online(phba);
	lpfc_unblock_mgmt_io(phba);
}

/**
 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
 * @phba: pointer to lpfc hba data structure.
 *
 * This function enables the PCI SR-IOV virtual functions to a physical
 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
 * enable the number of virtual functions to the physical function. As
 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
 * API call does not considered as an error condition for most of the device.
 **/
uint16_t
lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
{
	struct pci_dev *pdev = phba->pcidev;
	uint16_t nr_virtfn;
	int pos;

	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
	if (pos == 0)
		return 0;

	pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
	return nr_virtfn;
}

/**
 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
 * @phba: pointer to lpfc hba data structure.
 * @nr_vfn: number of virtual functions to be enabled.
 *
 * This function enables the PCI SR-IOV virtual functions to a physical
 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
 * enable the number of virtual functions to the physical function. As
 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
 * API call does not considered as an error condition for most of the device.
 **/
int
lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
{
	struct pci_dev *pdev = phba->pcidev;
	uint16_t max_nr_vfn;
	int rc;

	max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
	if (nr_vfn > max_nr_vfn) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3057 Requested vfs (%d) greater than "
				"supported vfs (%d)", nr_vfn, max_nr_vfn);
		return -EINVAL;
	}

	rc = pci_enable_sriov(pdev, nr_vfn);
	if (rc) {
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"2806 Failed to enable sriov on this device "
				"with vfn number nr_vf:%d, rc:%d\n",
				nr_vfn, rc);
	} else
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"2807 Successful enable sriov on this device "
				"with vfn number nr_vf:%d\n", nr_vfn);
	return rc;
}

/**
 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up the driver internal resources before the
 * device specific resource setup to support the HBA device it attached to.
 *
 * Return codes
 *	0 - successful
 *	other values - error
 **/
static int
lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
{
	struct lpfc_sli *psli = &phba->sli;

	/*
	 * Driver resources common to all SLI revisions
	 */
	atomic_set(&phba->fast_event_count, 0);
	spin_lock_init(&phba->hbalock);

	/* Initialize ndlp management spinlock */
	spin_lock_init(&phba->ndlp_lock);

	/* Initialize port_list spinlock */
	spin_lock_init(&phba->port_list_lock);
	INIT_LIST_HEAD(&phba->port_list);

	INIT_LIST_HEAD(&phba->work_list);
	init_waitqueue_head(&phba->wait_4_mlo_m_q);

	/* Initialize the wait queue head for the kernel thread */
	init_waitqueue_head(&phba->work_waitq);

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"1403 Protocols supported %s %s %s\n",
			((phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ?
				"SCSI" : " "),
			((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) ?
				"NVME" : " "),
			(phba->nvmet_support ? "NVMET" : " "));

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
		/* Initialize the scsi buffer list used by driver for scsi IO */
		spin_lock_init(&phba->scsi_buf_list_get_lock);
		INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
		spin_lock_init(&phba->scsi_buf_list_put_lock);
		INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
	}

	if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) &&
		(phba->nvmet_support == 0)) {
		/* Initialize the NVME buffer list used by driver for NVME IO */
		spin_lock_init(&phba->nvme_buf_list_get_lock);
		INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_get);
		phba->get_nvme_bufs = 0;
		spin_lock_init(&phba->nvme_buf_list_put_lock);
		INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put);
		phba->put_nvme_bufs = 0;
	}

	/* Initialize the fabric iocb list */
	INIT_LIST_HEAD(&phba->fabric_iocb_list);

	/* Initialize list to save ELS buffers */
	INIT_LIST_HEAD(&phba->elsbuf);

	/* Initialize FCF connection rec list */
	INIT_LIST_HEAD(&phba->fcf_conn_rec_list);

	/* Initialize OAS configuration list */
	spin_lock_init(&phba->devicelock);
	INIT_LIST_HEAD(&phba->luns);

	/* MBOX heartbeat timer */
	timer_setup(&psli->mbox_tmo, lpfc_mbox_timeout, 0);
	/* Fabric block timer */
	timer_setup(&phba->fabric_block_timer, lpfc_fabric_block_timeout, 0);
	/* EA polling mode timer */
	timer_setup(&phba->eratt_poll, lpfc_poll_eratt, 0);
	/* Heartbeat timer */
	timer_setup(&phba->hb_tmofunc, lpfc_hb_timeout, 0);

	return 0;
}

/**
 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up the driver internal resources specific to
 * support the SLI-3 HBA device it attached to.
 *
 * Return codes
 * 0 - successful
 * other values - error
 **/
static int
lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
{
	int rc;

	/*
	 * Initialize timers used by driver
	 */

	/* FCP polling mode timer */
	timer_setup(&phba->fcp_poll_timer, lpfc_poll_timeout, 0);

	/* Host attention work mask setup */
	phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
	phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));

	/* Get all the module params for configuring this host */
	lpfc_get_cfgparam(phba);
	/* Set up phase-1 common device driver resources */

	rc = lpfc_setup_driver_resource_phase1(phba);
	if (rc)
		return -ENODEV;

	if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
		phba->menlo_flag |= HBA_MENLO_SUPPORT;
		/* check for menlo minimum sg count */
		if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
	}

	if (!phba->sli.sli3_ring)
		phba->sli.sli3_ring = kcalloc(LPFC_SLI3_MAX_RING,
					      sizeof(struct lpfc_sli_ring),
					      GFP_KERNEL);
	if (!phba->sli.sli3_ring)
		return -ENOMEM;

	/*
	 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
	 * used to create the sg_dma_buf_pool must be dynamically calculated.
	 */

	/* Initialize the host templates the configured values. */
	lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
	lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt;
	lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;

	/* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
	if (phba->cfg_enable_bg) {
		/*
		 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
		 * the FCP rsp, and a BDE for each. Sice we have no control
		 * over how many protection data segments the SCSI Layer
		 * will hand us (ie: there could be one for every block
		 * in the IO), we just allocate enough BDEs to accomidate
		 * our max amount and we need to limit lpfc_sg_seg_cnt to
		 * minimize the risk of running out.
		 */
		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
			sizeof(struct fcp_rsp) +
			(LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64));

		if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
			phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;

		/* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
		phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
	} else {
		/*
		 * The scsi_buf for a regular I/O will hold the FCP cmnd,
		 * the FCP rsp, a BDE for each, and a BDE for up to
		 * cfg_sg_seg_cnt data segments.
		 */
		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
			sizeof(struct fcp_rsp) +
			((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));

		/* Total BDEs in BPL for scsi_sg_list */
		phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
	}

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
			"9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
			phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
			phba->cfg_total_seg_cnt);

	phba->max_vpi = LPFC_MAX_VPI;
	/* This will be set to correct value after config_port mbox */
	phba->max_vports = 0;

	/*
	 * Initialize the SLI Layer to run with lpfc HBAs.
	 */
	lpfc_sli_setup(phba);
	lpfc_sli_queue_init(phba);

	/* Allocate device driver memory */
	if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
		return -ENOMEM;

	/*
	 * Enable sr-iov virtual functions if supported and configured
	 * through the module parameter.
	 */
	if (phba->cfg_sriov_nr_virtfn > 0) {
		rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
						 phba->cfg_sriov_nr_virtfn);
		if (rc) {
			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
					"2808 Requested number of SR-IOV "
					"virtual functions (%d) is not "
					"supported\n",
					phba->cfg_sriov_nr_virtfn);
			phba->cfg_sriov_nr_virtfn = 0;
		}
	}

	return 0;
}

/**
 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to unset the driver internal resources set up
 * specific for supporting the SLI-3 HBA device it attached to.
 **/
static void
lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
{
	/* Free device driver memory allocated */
	lpfc_mem_free_all(phba);

	return;
}

/**
 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up the driver internal resources specific to
 * support the SLI-4 HBA device it attached to.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 **/
static int
lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
{
	LPFC_MBOXQ_t *mboxq;
	MAILBOX_t *mb;
	int rc, i, max_buf_size;
	uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
	struct lpfc_mqe *mqe;
	int longs;
	int fof_vectors = 0;
	int extra;
	uint64_t wwn;
	u32 if_type;
	u32 if_fam;

	phba->sli4_hba.num_online_cpu = num_online_cpus();
	phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
	phba->sli4_hba.curr_disp_cpu = 0;

	/* Get all the module params for configuring this host */
	lpfc_get_cfgparam(phba);

	/* Set up phase-1 common device driver resources */
	rc = lpfc_setup_driver_resource_phase1(phba);
	if (rc)
		return -ENODEV;

	/* Before proceed, wait for POST done and device ready */
	rc = lpfc_sli4_post_status_check(phba);
	if (rc)
		return -ENODEV;

	/*
	 * Initialize timers used by driver
	 */

	timer_setup(&phba->rrq_tmr, lpfc_rrq_timeout, 0);

	/* FCF rediscover timer */
	timer_setup(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, 0);

	/*
	 * Control structure for handling external multi-buffer mailbox
	 * command pass-through.
	 */
	memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
		sizeof(struct lpfc_mbox_ext_buf_ctx));
	INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);

	phba->max_vpi = LPFC_MAX_VPI;

	/* This will be set to correct value after the read_config mbox */
	phba->max_vports = 0;

	/* Program the default value of vlan_id and fc_map */
	phba->valid_vlan = 0;
	phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
	phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
	phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;

	/*
	 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
	 * we will associate a new ring, for each EQ/CQ/WQ tuple.
	 * The WQ create will allocate the ring.
	 */

	/*
	 * 1 for cmd, 1 for rsp, NVME adds an extra one
	 * for boundary conditions in its max_sgl_segment template.
	 */
	extra = 2;
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
		extra++;

	/*
	 * It doesn't matter what family our adapter is in, we are
	 * limited to 2 Pages, 512 SGEs, for our SGL.
	 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
	 */
	max_buf_size = (2 * SLI4_PAGE_SIZE);

	/*
	 * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size
	 * used to create the sg_dma_buf_pool must be calculated.
	 */
	if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) {
		/*
		 * The scsi_buf for a T10-DIF I/O holds the FCP cmnd,
		 * the FCP rsp, and a SGE. Sice we have no control
		 * over how many protection segments the SCSI Layer
		 * will hand us (ie: there could be one for every block
		 * in the IO), just allocate enough SGEs to accomidate
		 * our max amount and we need to limit lpfc_sg_seg_cnt
		 * to minimize the risk of running out.
		 */
		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
				sizeof(struct fcp_rsp) + max_buf_size;

		/* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
		phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;

		/*
		 * If supporting DIF, reduce the seg count for scsi to
		 * allow room for the DIF sges.
		 */
		if (phba->cfg_enable_bg &&
		    phba->cfg_sg_seg_cnt > LPFC_MAX_BG_SLI4_SEG_CNT_DIF)
			phba->cfg_scsi_seg_cnt = LPFC_MAX_BG_SLI4_SEG_CNT_DIF;
		else
			phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt;

	} else {
		/*
		 * The scsi_buf for a regular I/O holds the FCP cmnd,
		 * the FCP rsp, a SGE for each, and a SGE for up to
		 * cfg_sg_seg_cnt data segments.
		 */
		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
				sizeof(struct fcp_rsp) +
				((phba->cfg_sg_seg_cnt + extra) *
				sizeof(struct sli4_sge));

		/* Total SGEs for scsi_sg_list */
		phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + extra;
		phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt;

		/*
		 * NOTE: if (phba->cfg_sg_seg_cnt + extra) <= 256 we only
		 * need to post 1 page for the SGL.
		 */
	}

	/* Limit to LPFC_MAX_NVME_SEG_CNT for NVME. */
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
		if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) {
			lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT,
					"6300 Reducing NVME sg segment "
					"cnt to %d\n",
					LPFC_MAX_NVME_SEG_CNT);
			phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT;
		} else
			phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt;
	}

	/* Initialize the host templates with the updated values. */
	lpfc_vport_template.sg_tablesize = phba->cfg_scsi_seg_cnt;
	lpfc_template.sg_tablesize = phba->cfg_scsi_seg_cnt;
	lpfc_template_no_hr.sg_tablesize = phba->cfg_scsi_seg_cnt;

	if (phba->cfg_sg_dma_buf_size  <= LPFC_MIN_SG_SLI4_BUF_SZ)
		phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
	else
		phba->cfg_sg_dma_buf_size =
			SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
			"9087 sg_seg_cnt:%d dmabuf_size:%d "
			"total:%d scsi:%d nvme:%d\n",
			phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
			phba->cfg_total_seg_cnt,  phba->cfg_scsi_seg_cnt,
			phba->cfg_nvme_seg_cnt);

	/* Initialize buffer queue management fields */
	INIT_LIST_HEAD(&phba->hbqs[LPFC_ELS_HBQ].hbq_buffer_list);
	phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
	phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;

	/*
	 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
	 */
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
		/* Initialize the Abort scsi buffer list used by driver */
		spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
		INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
	}

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
		/* Initialize the Abort nvme buffer list used by driver */
		spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock);
		INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list);
		INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
		INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list);
	}

	/* This abort list used by worker thread */
	spin_lock_init(&phba->sli4_hba.sgl_list_lock);
	spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock);

	/*
	 * Initialize driver internal slow-path work queues
	 */

	/* Driver internel slow-path CQ Event pool */
	INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
	/* Response IOCB work queue list */
	INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
	/* Asynchronous event CQ Event work queue list */
	INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
	/* Fast-path XRI aborted CQ Event work queue list */
	INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
	/* Slow-path XRI aborted CQ Event work queue list */
	INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
	/* Receive queue CQ Event work queue list */
	INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);

	/* Initialize extent block lists. */
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
	INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);

	/* Initialize mboxq lists. If the early init routines fail
	 * these lists need to be correctly initialized.
	 */
	INIT_LIST_HEAD(&phba->sli.mboxq);
	INIT_LIST_HEAD(&phba->sli.mboxq_cmpl);

	/* initialize optic_state to 0xFF */
	phba->sli4_hba.lnk_info.optic_state = 0xff;

	/* Allocate device driver memory */
	rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
	if (rc)
		return -ENOMEM;

	/* IF Type 2 ports get initialized now. */
	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
	    LPFC_SLI_INTF_IF_TYPE_2) {
		rc = lpfc_pci_function_reset(phba);
		if (unlikely(rc)) {
			rc = -ENODEV;
			goto out_free_mem;
		}
		phba->temp_sensor_support = 1;
	}

	/* Create the bootstrap mailbox command */
	rc = lpfc_create_bootstrap_mbox(phba);
	if (unlikely(rc))
		goto out_free_mem;

	/* Set up the host's endian order with the device. */
	rc = lpfc_setup_endian_order(phba);
	if (unlikely(rc))
		goto out_free_bsmbx;

	/* Set up the hba's configuration parameters. */
	rc = lpfc_sli4_read_config(phba);
	if (unlikely(rc))
		goto out_free_bsmbx;
	rc = lpfc_mem_alloc_active_rrq_pool_s4(phba);
	if (unlikely(rc))
		goto out_free_bsmbx;

	/* IF Type 0 ports get initialized now. */
	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
	    LPFC_SLI_INTF_IF_TYPE_0) {
		rc = lpfc_pci_function_reset(phba);
		if (unlikely(rc))
			goto out_free_bsmbx;
	}

	mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
						       GFP_KERNEL);
	if (!mboxq) {
		rc = -ENOMEM;
		goto out_free_bsmbx;
	}

	/* Check for NVMET being configured */
	phba->nvmet_support = 0;
	if (lpfc_enable_nvmet_cnt) {

		/* First get WWN of HBA instance */
		lpfc_read_nv(phba, mboxq);
		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
		if (rc != MBX_SUCCESS) {
			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
					"6016 Mailbox failed , mbxCmd x%x "
					"READ_NV, mbxStatus x%x\n",
					bf_get(lpfc_mqe_command, &mboxq->u.mqe),
					bf_get(lpfc_mqe_status, &mboxq->u.mqe));
			mempool_free(mboxq, phba->mbox_mem_pool);
			rc = -EIO;
			goto out_free_bsmbx;
		}
		mb = &mboxq->u.mb;
		memcpy(&wwn, (char *)mb->un.varRDnvp.nodename,
		       sizeof(uint64_t));
		wwn = cpu_to_be64(wwn);
		phba->sli4_hba.wwnn.u.name = wwn;
		memcpy(&wwn, (char *)mb->un.varRDnvp.portname,
		       sizeof(uint64_t));
		/* wwn is WWPN of HBA instance */
		wwn = cpu_to_be64(wwn);
		phba->sli4_hba.wwpn.u.name = wwn;

		/* Check to see if it matches any module parameter */
		for (i = 0; i < lpfc_enable_nvmet_cnt; i++) {
			if (wwn == lpfc_enable_nvmet[i]) {
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
				if (lpfc_nvmet_mem_alloc(phba))
					break;

				phba->nvmet_support = 1; /* a match */

				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6017 NVME Target %016llx\n",
						wwn);
#else
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6021 Can't enable NVME Target."
						" NVME_TARGET_FC infrastructure"
						" is not in kernel\n");
#endif
				break;
			}
		}
	}

	lpfc_nvme_mod_param_dep(phba);

	/* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
	lpfc_supported_pages(mboxq);
	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
	if (!rc) {
		mqe = &mboxq->u.mqe;
		memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
		       LPFC_MAX_SUPPORTED_PAGES);
		for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
			switch (pn_page[i]) {
			case LPFC_SLI4_PARAMETERS:
				phba->sli4_hba.pc_sli4_params.supported = 1;
				break;
			default:
				break;
			}
		}
		/* Read the port's SLI4 Parameters capabilities if supported. */
		if (phba->sli4_hba.pc_sli4_params.supported)
			rc = lpfc_pc_sli4_params_get(phba, mboxq);
		if (rc) {
			mempool_free(mboxq, phba->mbox_mem_pool);
			rc = -EIO;
			goto out_free_bsmbx;
		}
	}

	/*
	 * Get sli4 parameters that override parameters from Port capabilities.
	 * If this call fails, it isn't critical unless the SLI4 parameters come
	 * back in conflict.
	 */
	rc = lpfc_get_sli4_parameters(phba, mboxq);
	if (rc) {
		if_type = bf_get(lpfc_sli_intf_if_type,
				 &phba->sli4_hba.sli_intf);
		if_fam = bf_get(lpfc_sli_intf_sli_family,
				&phba->sli4_hba.sli_intf);
		if (phba->sli4_hba.extents_in_use &&
		    phba->sli4_hba.rpi_hdrs_in_use) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2999 Unsupported SLI4 Parameters "
				"Extents and RPI headers enabled.\n");
			if (if_type == LPFC_SLI_INTF_IF_TYPE_0 &&
			    if_fam ==  LPFC_SLI_INTF_FAMILY_BE2) {
				mempool_free(mboxq, phba->mbox_mem_pool);
				rc = -EIO;
				goto out_free_bsmbx;
			}
		}
		if (!(if_type == LPFC_SLI_INTF_IF_TYPE_0 &&
		      if_fam == LPFC_SLI_INTF_FAMILY_BE2)) {
			mempool_free(mboxq, phba->mbox_mem_pool);
			rc = -EIO;
			goto out_free_bsmbx;
		}
	}

	mempool_free(mboxq, phba->mbox_mem_pool);

	/* Verify OAS is supported */
	lpfc_sli4_oas_verify(phba);
	if (phba->cfg_fof)
		fof_vectors = 1;

	/* Verify RAS support on adapter */
	lpfc_sli4_ras_init(phba);

	/* Verify all the SLI4 queues */
	rc = lpfc_sli4_queue_verify(phba);
	if (rc)
		goto out_free_bsmbx;

	/* Create driver internal CQE event pool */
	rc = lpfc_sli4_cq_event_pool_create(phba);
	if (rc)
		goto out_free_bsmbx;

	/* Initialize sgl lists per host */
	lpfc_init_sgl_list(phba);

	/* Allocate and initialize active sgl array */
	rc = lpfc_init_active_sgl_array(phba);
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1430 Failed to initialize sgl list.\n");
		goto out_destroy_cq_event_pool;
	}
	rc = lpfc_sli4_init_rpi_hdrs(phba);
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1432 Failed to initialize rpi headers.\n");
		goto out_free_active_sgl;
	}

	/* Allocate eligible FCF bmask memory for FCF roundrobin failover */
	longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
	phba->fcf.fcf_rr_bmask = kcalloc(longs, sizeof(unsigned long),
					 GFP_KERNEL);
	if (!phba->fcf.fcf_rr_bmask) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2759 Failed allocate memory for FCF round "
				"robin failover bmask\n");
		rc = -ENOMEM;
		goto out_remove_rpi_hdrs;
	}

	phba->sli4_hba.hba_eq_hdl = kcalloc(fof_vectors + phba->io_channel_irqs,
						sizeof(struct lpfc_hba_eq_hdl),
						GFP_KERNEL);
	if (!phba->sli4_hba.hba_eq_hdl) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2572 Failed allocate memory for "
				"fast-path per-EQ handle array\n");
		rc = -ENOMEM;
		goto out_free_fcf_rr_bmask;
	}

	phba->sli4_hba.cpu_map = kcalloc(phba->sli4_hba.num_present_cpu,
					sizeof(struct lpfc_vector_map_info),
					GFP_KERNEL);
	if (!phba->sli4_hba.cpu_map) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3327 Failed allocate memory for msi-x "
				"interrupt vector mapping\n");
		rc = -ENOMEM;
		goto out_free_hba_eq_hdl;
	}
	if (lpfc_used_cpu == NULL) {
		lpfc_used_cpu = kcalloc(lpfc_present_cpu, sizeof(uint16_t),
						GFP_KERNEL);
		if (!lpfc_used_cpu) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3335 Failed allocate memory for msi-x "
					"interrupt vector mapping\n");
			kfree(phba->sli4_hba.cpu_map);
			rc = -ENOMEM;
			goto out_free_hba_eq_hdl;
		}
		for (i = 0; i < lpfc_present_cpu; i++)
			lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
	}

	/*
	 * Enable sr-iov virtual functions if supported and configured
	 * through the module parameter.
	 */
	if (phba->cfg_sriov_nr_virtfn > 0) {
		rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
						 phba->cfg_sriov_nr_virtfn);
		if (rc) {
			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
					"3020 Requested number of SR-IOV "
					"virtual functions (%d) is not "
					"supported\n",
					phba->cfg_sriov_nr_virtfn);
			phba->cfg_sriov_nr_virtfn = 0;
		}
	}

	return 0;

out_free_hba_eq_hdl:
	kfree(phba->sli4_hba.hba_eq_hdl);
out_free_fcf_rr_bmask:
	kfree(phba->fcf.fcf_rr_bmask);
out_remove_rpi_hdrs:
	lpfc_sli4_remove_rpi_hdrs(phba);
out_free_active_sgl:
	lpfc_free_active_sgl(phba);
out_destroy_cq_event_pool:
	lpfc_sli4_cq_event_pool_destroy(phba);
out_free_bsmbx:
	lpfc_destroy_bootstrap_mbox(phba);
out_free_mem:
	lpfc_mem_free(phba);
	return rc;
}

/**
 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to unset the driver internal resources set up
 * specific for supporting the SLI-4 HBA device it attached to.
 **/
static void
lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
{
	struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;

	/* Free memory allocated for msi-x interrupt vector to CPU mapping */
	kfree(phba->sli4_hba.cpu_map);
	phba->sli4_hba.num_present_cpu = 0;
	phba->sli4_hba.num_online_cpu = 0;
	phba->sli4_hba.curr_disp_cpu = 0;

	/* Free memory allocated for fast-path work queue handles */
	kfree(phba->sli4_hba.hba_eq_hdl);

	/* Free the allocated rpi headers. */
	lpfc_sli4_remove_rpi_hdrs(phba);
	lpfc_sli4_remove_rpis(phba);

	/* Free eligible FCF index bmask */
	kfree(phba->fcf.fcf_rr_bmask);

	/* Free the ELS sgl list */
	lpfc_free_active_sgl(phba);
	lpfc_free_els_sgl_list(phba);
	lpfc_free_nvmet_sgl_list(phba);

	/* Free the completion queue EQ event pool */
	lpfc_sli4_cq_event_release_all(phba);
	lpfc_sli4_cq_event_pool_destroy(phba);

	/* Release resource identifiers. */
	lpfc_sli4_dealloc_resource_identifiers(phba);

	/* Free the bsmbx region. */
	lpfc_destroy_bootstrap_mbox(phba);

	/* Free the SLI Layer memory with SLI4 HBAs */
	lpfc_mem_free_all(phba);

	/* Free the current connect table */
	list_for_each_entry_safe(conn_entry, next_conn_entry,
		&phba->fcf_conn_rec_list, list) {
		list_del_init(&conn_entry->list);
		kfree(conn_entry);
	}

	return;
}

/**
 * lpfc_init_api_table_setup - Set up init api function jump table
 * @phba: The hba struct for which this call is being executed.
 * @dev_grp: The HBA PCI-Device group number.
 *
 * This routine sets up the device INIT interface API function jump table
 * in @phba struct.
 *
 * Returns: 0 - success, -ENODEV - failure.
 **/
int
lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
{
	phba->lpfc_hba_init_link = lpfc_hba_init_link;
	phba->lpfc_hba_down_link = lpfc_hba_down_link;
	phba->lpfc_selective_reset = lpfc_selective_reset;
	switch (dev_grp) {
	case LPFC_PCI_DEV_LP:
		phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
		phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
		phba->lpfc_stop_port = lpfc_stop_port_s3;
		break;
	case LPFC_PCI_DEV_OC:
		phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
		phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
		phba->lpfc_stop_port = lpfc_stop_port_s4;
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1431 Invalid HBA PCI-device group: 0x%x\n",
				dev_grp);
		return -ENODEV;
		break;
	}
	return 0;
}

/**
 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up the driver internal resources after the
 * device specific resource setup to support the HBA device it attached to.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 **/
static int
lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
{
	int error;

	/* Startup the kernel thread for this host adapter. */
	phba->worker_thread = kthread_run(lpfc_do_work, phba,
					  "lpfc_worker_%d", phba->brd_no);
	if (IS_ERR(phba->worker_thread)) {
		error = PTR_ERR(phba->worker_thread);
		return error;
	}

	/* The lpfc_wq workqueue for deferred irq use, is only used for SLI4 */
	if (phba->sli_rev == LPFC_SLI_REV4)
		phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM, 0);
	else
		phba->wq = NULL;

	return 0;
}

/**
 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to unset the driver internal resources set up after
 * the device specific resource setup for supporting the HBA device it
 * attached to.
 **/
static void
lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
{
	if (phba->wq) {
		flush_workqueue(phba->wq);
		destroy_workqueue(phba->wq);
		phba->wq = NULL;
	}

	/* Stop kernel worker thread */
	if (phba->worker_thread)
		kthread_stop(phba->worker_thread);
}

/**
 * lpfc_free_iocb_list - Free iocb list.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to free the driver's IOCB list and memory.
 **/
void
lpfc_free_iocb_list(struct lpfc_hba *phba)
{
	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;

	spin_lock_irq(&phba->hbalock);
	list_for_each_entry_safe(iocbq_entry, iocbq_next,
				 &phba->lpfc_iocb_list, list) {
		list_del(&iocbq_entry->list);
		kfree(iocbq_entry);
		phba->total_iocbq_bufs--;
	}
	spin_unlock_irq(&phba->hbalock);

	return;
}

/**
 * lpfc_init_iocb_list - Allocate and initialize iocb list.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to allocate and initizlize the driver's IOCB
 * list and set up the IOCB tag array accordingly.
 *
 * Return codes
 *	0 - successful
 *	other values - error
 **/
int
lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
{
	struct lpfc_iocbq *iocbq_entry = NULL;
	uint16_t iotag;
	int i;

	/* Initialize and populate the iocb list per host.  */
	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
	for (i = 0; i < iocb_count; i++) {
		iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
		if (iocbq_entry == NULL) {
			printk(KERN_ERR "%s: only allocated %d iocbs of "
				"expected %d count. Unloading driver.\n",
				__func__, i, LPFC_IOCB_LIST_CNT);
			goto out_free_iocbq;
		}

		iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
		if (iotag == 0) {
			kfree(iocbq_entry);
			printk(KERN_ERR "%s: failed to allocate IOTAG. "
				"Unloading driver.\n", __func__);
			goto out_free_iocbq;
		}
		iocbq_entry->sli4_lxritag = NO_XRI;
		iocbq_entry->sli4_xritag = NO_XRI;

		spin_lock_irq(&phba->hbalock);
		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
		phba->total_iocbq_bufs++;
		spin_unlock_irq(&phba->hbalock);
	}

	return 0;

out_free_iocbq:
	lpfc_free_iocb_list(phba);

	return -ENOMEM;
}

/**
 * lpfc_free_sgl_list - Free a given sgl list.
 * @phba: pointer to lpfc hba data structure.
 * @sglq_list: pointer to the head of sgl list.
 *
 * This routine is invoked to free a give sgl list and memory.
 **/
void
lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
{
	struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;

	list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
		list_del(&sglq_entry->list);
		lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
		kfree(sglq_entry);
	}
}

/**
 * lpfc_free_els_sgl_list - Free els sgl list.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to free the driver's els sgl list and memory.
 **/
static void
lpfc_free_els_sgl_list(struct lpfc_hba *phba)
{
	LIST_HEAD(sglq_list);

	/* Retrieve all els sgls from driver list */
	spin_lock_irq(&phba->hbalock);
	spin_lock(&phba->sli4_hba.sgl_list_lock);
	list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, &sglq_list);
	spin_unlock(&phba->sli4_hba.sgl_list_lock);
	spin_unlock_irq(&phba->hbalock);

	/* Now free the sgl list */
	lpfc_free_sgl_list(phba, &sglq_list);
}

/**
 * lpfc_free_nvmet_sgl_list - Free nvmet sgl list.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to free the driver's nvmet sgl list and memory.
 **/
static void
lpfc_free_nvmet_sgl_list(struct lpfc_hba *phba)
{
	struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
	LIST_HEAD(sglq_list);

	/* Retrieve all nvmet sgls from driver list */
	spin_lock_irq(&phba->hbalock);
	spin_lock(&phba->sli4_hba.sgl_list_lock);
	list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, &sglq_list);
	spin_unlock(&phba->sli4_hba.sgl_list_lock);
	spin_unlock_irq(&phba->hbalock);

	/* Now free the sgl list */
	list_for_each_entry_safe(sglq_entry, sglq_next, &sglq_list, list) {
		list_del(&sglq_entry->list);
		lpfc_nvmet_buf_free(phba, sglq_entry->virt, sglq_entry->phys);
		kfree(sglq_entry);
	}

	/* Update the nvmet_xri_cnt to reflect no current sgls.
	 * The next initialization cycle sets the count and allocates
	 * the sgls over again.
	 */
	phba->sli4_hba.nvmet_xri_cnt = 0;
}

/**
 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to allocate the driver's active sgl memory.
 * This array will hold the sglq_entry's for active IOs.
 **/
static int
lpfc_init_active_sgl_array(struct lpfc_hba *phba)
{
	int size;
	size = sizeof(struct lpfc_sglq *);
	size *= phba->sli4_hba.max_cfg_param.max_xri;

	phba->sli4_hba.lpfc_sglq_active_list =
		kzalloc(size, GFP_KERNEL);
	if (!phba->sli4_hba.lpfc_sglq_active_list)
		return -ENOMEM;
	return 0;
}

/**
 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to walk through the array of active sglq entries
 * and free all of the resources.
 * This is just a place holder for now.
 **/
static void
lpfc_free_active_sgl(struct lpfc_hba *phba)
{
	kfree(phba->sli4_hba.lpfc_sglq_active_list);
}

/**
 * lpfc_init_sgl_list - Allocate and initialize sgl list.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to allocate and initizlize the driver's sgl
 * list and set up the sgl xritag tag array accordingly.
 *
 **/
static void
lpfc_init_sgl_list(struct lpfc_hba *phba)
{
	/* Initialize and populate the sglq list per host/VF. */
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_els_sgl_list);
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_sgl_list);
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);

	/* els xri-sgl book keeping */
	phba->sli4_hba.els_xri_cnt = 0;

	/* scsi xri-buffer book keeping */
	phba->sli4_hba.scsi_xri_cnt = 0;

	/* nvme xri-buffer book keeping */
	phba->sli4_hba.nvme_xri_cnt = 0;
}

/**
 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to post rpi header templates to the
 * port for those SLI4 ports that do not support extents.  This routine
 * posts a PAGE_SIZE memory region to the port to hold up to
 * PAGE_SIZE modulo 64 rpi context headers.  This is an initialization routine
 * and should be called only when interrupts are disabled.
 *
 * Return codes
 * 	0 - successful
 *	-ERROR - otherwise.
 **/
int
lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
{
	int rc = 0;
	struct lpfc_rpi_hdr *rpi_hdr;

	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
	if (!phba->sli4_hba.rpi_hdrs_in_use)
		return rc;
	if (phba->sli4_hba.extents_in_use)
		return -EIO;

	rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
	if (!rpi_hdr) {
		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
				"0391 Error during rpi post operation\n");
		lpfc_sli4_remove_rpis(phba);
		rc = -ENODEV;
	}

	return rc;
}

/**
 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to allocate a single 4KB memory region to
 * support rpis and stores them in the phba.  This single region
 * provides support for up to 64 rpis.  The region is used globally
 * by the device.
 *
 * Returns:
 *   A valid rpi hdr on success.
 *   A NULL pointer on any failure.
 **/
struct lpfc_rpi_hdr *
lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
{
	uint16_t rpi_limit, curr_rpi_range;
	struct lpfc_dmabuf *dmabuf;
	struct lpfc_rpi_hdr *rpi_hdr;

	/*
	 * If the SLI4 port supports extents, posting the rpi header isn't
	 * required.  Set the expected maximum count and let the actual value
	 * get set when extents are fully allocated.
	 */
	if (!phba->sli4_hba.rpi_hdrs_in_use)
		return NULL;
	if (phba->sli4_hba.extents_in_use)
		return NULL;

	/* The limit on the logical index is just the max_rpi count. */
	rpi_limit = phba->sli4_hba.max_cfg_param.max_rpi;

	spin_lock_irq(&phba->hbalock);
	/*
	 * Establish the starting RPI in this header block.  The starting
	 * rpi is normalized to a zero base because the physical rpi is
	 * port based.
	 */
	curr_rpi_range = phba->sli4_hba.next_rpi;
	spin_unlock_irq(&phba->hbalock);

	/* Reached full RPI range */
	if (curr_rpi_range == rpi_limit)
		return NULL;

	/*
	 * First allocate the protocol header region for the port.  The
	 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
	 */
	dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
	if (!dmabuf)
		return NULL;

	dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
					  LPFC_HDR_TEMPLATE_SIZE,
					  &dmabuf->phys, GFP_KERNEL);
	if (!dmabuf->virt) {
		rpi_hdr = NULL;
		goto err_free_dmabuf;
	}

	if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
		rpi_hdr = NULL;
		goto err_free_coherent;
	}

	/* Save the rpi header data for cleanup later. */
	rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
	if (!rpi_hdr)
		goto err_free_coherent;

	rpi_hdr->dmabuf = dmabuf;
	rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
	rpi_hdr->page_count = 1;
	spin_lock_irq(&phba->hbalock);

	/* The rpi_hdr stores the logical index only. */
	rpi_hdr->start_rpi = curr_rpi_range;
	rpi_hdr->next_rpi = phba->sli4_hba.next_rpi + LPFC_RPI_HDR_COUNT;
	list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);

	spin_unlock_irq(&phba->hbalock);
	return rpi_hdr;

 err_free_coherent:
	dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
			  dmabuf->virt, dmabuf->phys);
 err_free_dmabuf:
	kfree(dmabuf);
	return NULL;
}

/**
 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to remove all memory resources allocated
 * to support rpis for SLI4 ports not supporting extents. This routine
 * presumes the caller has released all rpis consumed by fabric or port
 * logins and is prepared to have the header pages removed.
 **/
void
lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
{
	struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;

	if (!phba->sli4_hba.rpi_hdrs_in_use)
		goto exit;

	list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
				 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
		list_del(&rpi_hdr->list);
		dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
				  rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
		kfree(rpi_hdr->dmabuf);
		kfree(rpi_hdr);
	}
 exit:
	/* There are no rpis available to the port now. */
	phba->sli4_hba.next_rpi = 0;
}

/**
 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
 * @pdev: pointer to pci device data structure.
 *
 * This routine is invoked to allocate the driver hba data structure for an
 * HBA device. If the allocation is successful, the phba reference to the
 * PCI device data structure is set.
 *
 * Return codes
 *      pointer to @phba - successful
 *      NULL - error
 **/
static struct lpfc_hba *
lpfc_hba_alloc(struct pci_dev *pdev)
{
	struct lpfc_hba *phba;

	/* Allocate memory for HBA structure */
	phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
	if (!phba) {
		dev_err(&pdev->dev, "failed to allocate hba struct\n");
		return NULL;
	}

	/* Set reference to PCI device in HBA structure */
	phba->pcidev = pdev;

	/* Assign an unused board number */
	phba->brd_no = lpfc_get_instance();
	if (phba->brd_no < 0) {
		kfree(phba);
		return NULL;
	}
	phba->eratt_poll_interval = LPFC_ERATT_POLL_INTERVAL;

	spin_lock_init(&phba->ct_ev_lock);
	INIT_LIST_HEAD(&phba->ct_ev_waiters);

	return phba;
}

/**
 * lpfc_hba_free - Free driver hba data structure with a device.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to free the driver hba data structure with an
 * HBA device.
 **/
static void
lpfc_hba_free(struct lpfc_hba *phba)
{
	/* Release the driver assigned board number */
	idr_remove(&lpfc_hba_index, phba->brd_no);

	/* Free memory allocated with sli3 rings */
	kfree(phba->sli.sli3_ring);
	phba->sli.sli3_ring = NULL;

	kfree(phba);
	return;
}

/**
 * lpfc_create_shost - Create hba physical port with associated scsi host.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to create HBA physical port and associate a SCSI
 * host with it.
 *
 * Return codes
 *      0 - successful
 *      other values - error
 **/
static int
lpfc_create_shost(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport;
	struct Scsi_Host  *shost;

	/* Initialize HBA FC structure */
	phba->fc_edtov = FF_DEF_EDTOV;
	phba->fc_ratov = FF_DEF_RATOV;
	phba->fc_altov = FF_DEF_ALTOV;
	phba->fc_arbtov = FF_DEF_ARBTOV;

	atomic_set(&phba->sdev_cnt, 0);
	atomic_set(&phba->fc4ScsiInputRequests, 0);
	atomic_set(&phba->fc4ScsiOutputRequests, 0);
	atomic_set(&phba->fc4ScsiControlRequests, 0);
	atomic_set(&phba->fc4ScsiIoCmpls, 0);
	vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
	if (!vport)
		return -ENODEV;

	shost = lpfc_shost_from_vport(vport);
	phba->pport = vport;

	if (phba->nvmet_support) {
		/* Only 1 vport (pport) will support NVME target */
		if (phba->txrdy_payload_pool == NULL) {
			phba->txrdy_payload_pool = dma_pool_create(
				"txrdy_pool", &phba->pcidev->dev,
				TXRDY_PAYLOAD_LEN, 16, 0);
			if (phba->txrdy_payload_pool) {
				phba->targetport = NULL;
				phba->cfg_enable_fc4_type = LPFC_ENABLE_NVME;
				lpfc_printf_log(phba, KERN_INFO,
						LOG_INIT | LOG_NVME_DISC,
						"6076 NVME Target Found\n");
			}
		}
	}

	lpfc_debugfs_initialize(vport);
	/* Put reference to SCSI host to driver's device private data */
	pci_set_drvdata(phba->pcidev, shost);

	/*
	 * At this point we are fully registered with PSA. In addition,
	 * any initial discovery should be completed.
	 */
	vport->load_flag |= FC_ALLOW_FDMI;
	if (phba->cfg_enable_SmartSAN ||
	    (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) {

		/* Setup appropriate attribute masks */
		vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR;
		if (phba->cfg_enable_SmartSAN)
			vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR;
		else
			vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
	}
	return 0;
}

/**
 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to destroy HBA physical port and the associated
 * SCSI host.
 **/
static void
lpfc_destroy_shost(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport = phba->pport;

	/* Destroy physical port that associated with the SCSI host */
	destroy_port(vport);

	return;
}

/**
 * lpfc_setup_bg - Setup Block guard structures and debug areas.
 * @phba: pointer to lpfc hba data structure.
 * @shost: the shost to be used to detect Block guard settings.
 *
 * This routine sets up the local Block guard protocol settings for @shost.
 * This routine also allocates memory for debugging bg buffers.
 **/
static void
lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
{
	uint32_t old_mask;
	uint32_t old_guard;

	int pagecnt = 10;
	if (phba->cfg_prot_mask && phba->cfg_prot_guard) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"1478 Registering BlockGuard with the "
				"SCSI layer\n");

		old_mask = phba->cfg_prot_mask;
		old_guard = phba->cfg_prot_guard;

		/* Only allow supported values */
		phba->cfg_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
			SHOST_DIX_TYPE0_PROTECTION |
			SHOST_DIX_TYPE1_PROTECTION);
		phba->cfg_prot_guard &= (SHOST_DIX_GUARD_IP |
					 SHOST_DIX_GUARD_CRC);

		/* DIF Type 1 protection for profiles AST1/C1 is end to end */
		if (phba->cfg_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
			phba->cfg_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;

		if (phba->cfg_prot_mask && phba->cfg_prot_guard) {
			if ((old_mask != phba->cfg_prot_mask) ||
				(old_guard != phba->cfg_prot_guard))
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"1475 Registering BlockGuard with the "
					"SCSI layer: mask %d  guard %d\n",
					phba->cfg_prot_mask,
					phba->cfg_prot_guard);

			scsi_host_set_prot(shost, phba->cfg_prot_mask);
			scsi_host_set_guard(shost, phba->cfg_prot_guard);
		} else
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1479 Not Registering BlockGuard with the SCSI "
				"layer, Bad protection parameters: %d %d\n",
				old_mask, old_guard);
	}

	if (!_dump_buf_data) {
		while (pagecnt) {
			spin_lock_init(&_dump_buf_lock);
			_dump_buf_data =
				(char *) __get_free_pages(GFP_KERNEL, pagecnt);
			if (_dump_buf_data) {
				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
					"9043 BLKGRD: allocated %d pages for "
				       "_dump_buf_data at 0x%p\n",
				       (1 << pagecnt), _dump_buf_data);
				_dump_buf_data_order = pagecnt;
				memset(_dump_buf_data, 0,
				       ((1 << PAGE_SHIFT) << pagecnt));
				break;
			} else
				--pagecnt;
		}
		if (!_dump_buf_data_order)
			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
				"9044 BLKGRD: ERROR unable to allocate "
			       "memory for hexdump\n");
	} else
		lpfc_printf_log(phba, KERN_ERR, LOG_BG,
			"9045 BLKGRD: already allocated _dump_buf_data=0x%p"
		       "\n", _dump_buf_data);
	if (!_dump_buf_dif) {
		while (pagecnt) {
			_dump_buf_dif =
				(char *) __get_free_pages(GFP_KERNEL, pagecnt);
			if (_dump_buf_dif) {
				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
					"9046 BLKGRD: allocated %d pages for "
				       "_dump_buf_dif at 0x%p\n",
				       (1 << pagecnt), _dump_buf_dif);
				_dump_buf_dif_order = pagecnt;
				memset(_dump_buf_dif, 0,
				       ((1 << PAGE_SHIFT) << pagecnt));
				break;
			} else
				--pagecnt;
		}
		if (!_dump_buf_dif_order)
			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
			"9047 BLKGRD: ERROR unable to allocate "
			       "memory for hexdump\n");
	} else
		lpfc_printf_log(phba, KERN_ERR, LOG_BG,
			"9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
		       _dump_buf_dif);
}

/**
 * lpfc_post_init_setup - Perform necessary device post initialization setup.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to perform all the necessary post initialization
 * setup for the device.
 **/
static void
lpfc_post_init_setup(struct lpfc_hba *phba)
{
	struct Scsi_Host  *shost;
	struct lpfc_adapter_event_header adapter_event;

	/* Get the default values for Model Name and Description */
	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);

	/*
	 * hba setup may have changed the hba_queue_depth so we need to
	 * adjust the value of can_queue.
	 */
	shost = pci_get_drvdata(phba->pcidev);
	shost->can_queue = phba->cfg_hba_queue_depth - 10;
	if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
		lpfc_setup_bg(phba, shost);

	lpfc_host_attrib_init(shost);

	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
		spin_lock_irq(shost->host_lock);
		lpfc_poll_start_timer(phba);
		spin_unlock_irq(shost->host_lock);
	}

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"0428 Perform SCSI scan\n");
	/* Send board arrival event to upper layer */
	adapter_event.event_type = FC_REG_ADAPTER_EVENT;
	adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
	fc_host_post_vendor_event(shost, fc_get_event_number(),
				  sizeof(adapter_event),
				  (char *) &adapter_event,
				  LPFC_NL_VENDOR_ID);
	return;
}

/**
 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up the PCI device memory space for device
 * with SLI-3 interface spec.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 **/
static int
lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
{
	struct pci_dev *pdev = phba->pcidev;
	unsigned long bar0map_len, bar2map_len;
	int i, hbq_count;
	void *ptr;
	int error = -ENODEV;

	if (!pdev)
		return error;

	/* Set the device DMA mask size */
	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) ||
	    dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))
		return error;

	/* Get the bus address of Bar0 and Bar2 and the number of bytes
	 * required by each mapping.
	 */
	phba->pci_bar0_map = pci_resource_start(pdev, 0);
	bar0map_len = pci_resource_len(pdev, 0);

	phba->pci_bar2_map = pci_resource_start(pdev, 2);
	bar2map_len = pci_resource_len(pdev, 2);

	/* Map HBA SLIM to a kernel virtual address. */
	phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
	if (!phba->slim_memmap_p) {
		dev_printk(KERN_ERR, &pdev->dev,
			   "ioremap failed for SLIM memory.\n");
		goto out;
	}

	/* Map HBA Control Registers to a kernel virtual address. */
	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
	if (!phba->ctrl_regs_memmap_p) {
		dev_printk(KERN_ERR, &pdev->dev,
			   "ioremap failed for HBA control registers.\n");
		goto out_iounmap_slim;
	}

	/* Allocate memory for SLI-2 structures */
	phba->slim2p.virt = dma_alloc_coherent(&pdev->dev, SLI2_SLIM_SIZE,
					       &phba->slim2p.phys, GFP_KERNEL);
	if (!phba->slim2p.virt)
		goto out_iounmap;

	phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
	phba->mbox_ext = (phba->slim2p.virt +
		offsetof(struct lpfc_sli2_slim, mbx_ext_words));
	phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
	phba->IOCBs = (phba->slim2p.virt +
		       offsetof(struct lpfc_sli2_slim, IOCBs));

	phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
						 lpfc_sli_hbq_size(),
						 &phba->hbqslimp.phys,
						 GFP_KERNEL);
	if (!phba->hbqslimp.virt)
		goto out_free_slim;

	hbq_count = lpfc_sli_hbq_count();
	ptr = phba->hbqslimp.virt;
	for (i = 0; i < hbq_count; ++i) {
		phba->hbqs[i].hbq_virt = ptr;
		INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
		ptr += (lpfc_hbq_defs[i]->entry_count *
			sizeof(struct lpfc_hbq_entry));
	}
	phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
	phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;

	memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());

	phba->MBslimaddr = phba->slim_memmap_p;
	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;

	return 0;

out_free_slim:
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
			  phba->slim2p.virt, phba->slim2p.phys);
out_iounmap:
	iounmap(phba->ctrl_regs_memmap_p);
out_iounmap_slim:
	iounmap(phba->slim_memmap_p);
out:
	return error;
}

/**
 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to unset the PCI device memory space for device
 * with SLI-3 interface spec.
 **/
static void
lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
{
	struct pci_dev *pdev;

	/* Obtain PCI device reference */
	if (!phba->pcidev)
		return;
	else
		pdev = phba->pcidev;

	/* Free coherent DMA memory allocated */
	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
			  phba->hbqslimp.virt, phba->hbqslimp.phys);
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
			  phba->slim2p.virt, phba->slim2p.phys);

	/* I/O memory unmap */
	iounmap(phba->ctrl_regs_memmap_p);
	iounmap(phba->slim_memmap_p);

	return;
}

/**
 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
 * done and check status.
 *
 * Return 0 if successful, otherwise -ENODEV.
 **/
int
lpfc_sli4_post_status_check(struct lpfc_hba *phba)
{
	struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
	struct lpfc_register reg_data;
	int i, port_error = 0;
	uint32_t if_type;

	memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
	memset(&reg_data, 0, sizeof(reg_data));
	if (!phba->sli4_hba.PSMPHRregaddr)
		return -ENODEV;

	/* Wait up to 30 seconds for the SLI Port POST done and ready */
	for (i = 0; i < 3000; i++) {
		if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
			&portsmphr_reg.word0) ||
			(bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
			/* Port has a fatal POST error, break out */
			port_error = -ENODEV;
			break;
		}
		if (LPFC_POST_STAGE_PORT_READY ==
		    bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
			break;
		msleep(10);
	}

	/*
	 * If there was a port error during POST, then don't proceed with
	 * other register reads as the data may not be valid.  Just exit.
	 */
	if (port_error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"1408 Port Failed POST - portsmphr=0x%x, "
			"perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
			"scr2=x%x, hscratch=x%x, pstatus=x%x\n",
			portsmphr_reg.word0,
			bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
			bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
			bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
			bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
			bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
			bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
			bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
			bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
	} else {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"2534 Device Info: SLIFamily=0x%x, "
				"SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
				"SLIHint_2=0x%x, FT=0x%x\n",
				bf_get(lpfc_sli_intf_sli_family,
				       &phba->sli4_hba.sli_intf),
				bf_get(lpfc_sli_intf_slirev,
				       &phba->sli4_hba.sli_intf),
				bf_get(lpfc_sli_intf_if_type,
				       &phba->sli4_hba.sli_intf),
				bf_get(lpfc_sli_intf_sli_hint1,
				       &phba->sli4_hba.sli_intf),
				bf_get(lpfc_sli_intf_sli_hint2,
				       &phba->sli4_hba.sli_intf),
				bf_get(lpfc_sli_intf_func_type,
				       &phba->sli4_hba.sli_intf));
		/*
		 * Check for other Port errors during the initialization
		 * process.  Fail the load if the port did not come up
		 * correctly.
		 */
		if_type = bf_get(lpfc_sli_intf_if_type,
				 &phba->sli4_hba.sli_intf);
		switch (if_type) {
		case LPFC_SLI_INTF_IF_TYPE_0:
			phba->sli4_hba.ue_mask_lo =
			      readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
			phba->sli4_hba.ue_mask_hi =
			      readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
			uerrlo_reg.word0 =
			      readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
			uerrhi_reg.word0 =
				readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
			if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
			    (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"1422 Unrecoverable Error "
						"Detected during POST "
						"uerr_lo_reg=0x%x, "
						"uerr_hi_reg=0x%x, "
						"ue_mask_lo_reg=0x%x, "
						"ue_mask_hi_reg=0x%x\n",
						uerrlo_reg.word0,
						uerrhi_reg.word0,
						phba->sli4_hba.ue_mask_lo,
						phba->sli4_hba.ue_mask_hi);
				port_error = -ENODEV;
			}
			break;
		case LPFC_SLI_INTF_IF_TYPE_2:
		case LPFC_SLI_INTF_IF_TYPE_6:
			/* Final checks.  The port status should be clean. */
			if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
				&reg_data.word0) ||
				(bf_get(lpfc_sliport_status_err, &reg_data) &&
				 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
				phba->work_status[0] =
					readl(phba->sli4_hba.u.if_type2.
					      ERR1regaddr);
				phba->work_status[1] =
					readl(phba->sli4_hba.u.if_type2.
					      ERR2regaddr);
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"2888 Unrecoverable port error "
					"following POST: port status reg "
					"0x%x, port_smphr reg 0x%x, "
					"error 1=0x%x, error 2=0x%x\n",
					reg_data.word0,
					portsmphr_reg.word0,
					phba->work_status[0],
					phba->work_status[1]);
				port_error = -ENODEV;
			}
			break;
		case LPFC_SLI_INTF_IF_TYPE_1:
		default:
			break;
		}
	}
	return port_error;
}

/**
 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
 * @phba: pointer to lpfc hba data structure.
 * @if_type:  The SLI4 interface type getting configured.
 *
 * This routine is invoked to set up SLI4 BAR0 PCI config space register
 * memory map.
 **/
static void
lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
{
	switch (if_type) {
	case LPFC_SLI_INTF_IF_TYPE_0:
		phba->sli4_hba.u.if_type0.UERRLOregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
		phba->sli4_hba.u.if_type0.UERRHIregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
		phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
		phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
		phba->sli4_hba.SLIINTFregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
		break;
	case LPFC_SLI_INTF_IF_TYPE_2:
		phba->sli4_hba.u.if_type2.EQDregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_EQ_DELAY_OFFSET;
		phba->sli4_hba.u.if_type2.ERR1regaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_ER1_OFFSET;
		phba->sli4_hba.u.if_type2.ERR2regaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_ER2_OFFSET;
		phba->sli4_hba.u.if_type2.CTRLregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_CTL_OFFSET;
		phba->sli4_hba.u.if_type2.STATUSregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_STA_OFFSET;
		phba->sli4_hba.SLIINTFregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
		phba->sli4_hba.PSMPHRregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_SEM_OFFSET;
		phba->sli4_hba.RQDBregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_ULP0_RQ_DOORBELL;
		phba->sli4_hba.WQDBregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_ULP0_WQ_DOORBELL;
		phba->sli4_hba.CQDBregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
		phba->sli4_hba.EQDBregaddr = phba->sli4_hba.CQDBregaddr;
		phba->sli4_hba.MQDBregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
		phba->sli4_hba.BMBXregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
		break;
	case LPFC_SLI_INTF_IF_TYPE_6:
		phba->sli4_hba.u.if_type2.EQDregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_EQ_DELAY_OFFSET;
		phba->sli4_hba.u.if_type2.ERR1regaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_ER1_OFFSET;
		phba->sli4_hba.u.if_type2.ERR2regaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_ER2_OFFSET;
		phba->sli4_hba.u.if_type2.CTRLregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_CTL_OFFSET;
		phba->sli4_hba.u.if_type2.STATUSregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_STA_OFFSET;
		phba->sli4_hba.PSMPHRregaddr =
			phba->sli4_hba.conf_regs_memmap_p +
						LPFC_CTL_PORT_SEM_OFFSET;
		phba->sli4_hba.BMBXregaddr =
			phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
		break;
	case LPFC_SLI_INTF_IF_TYPE_1:
	default:
		dev_printk(KERN_ERR, &phba->pcidev->dev,
			   "FATAL - unsupported SLI4 interface type - %d\n",
			   if_type);
		break;
	}
}

/**
 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up SLI4 BAR1 register memory map.
 **/
static void
lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
{
	switch (if_type) {
	case LPFC_SLI_INTF_IF_TYPE_0:
		phba->sli4_hba.PSMPHRregaddr =
			phba->sli4_hba.ctrl_regs_memmap_p +
			LPFC_SLIPORT_IF0_SMPHR;
		phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
			LPFC_HST_ISR0;
		phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
			LPFC_HST_IMR0;
		phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
			LPFC_HST_ISCR0;
		break;
	case LPFC_SLI_INTF_IF_TYPE_6:
		phba->sli4_hba.RQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
			LPFC_IF6_RQ_DOORBELL;
		phba->sli4_hba.WQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
			LPFC_IF6_WQ_DOORBELL;
		phba->sli4_hba.CQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
			LPFC_IF6_CQ_DOORBELL;
		phba->sli4_hba.EQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
			LPFC_IF6_EQ_DOORBELL;
		phba->sli4_hba.MQDBregaddr = phba->sli4_hba.drbl_regs_memmap_p +
			LPFC_IF6_MQ_DOORBELL;
		break;
	case LPFC_SLI_INTF_IF_TYPE_2:
	case LPFC_SLI_INTF_IF_TYPE_1:
	default:
		dev_err(&phba->pcidev->dev,
			   "FATAL - unsupported SLI4 interface type - %d\n",
			   if_type);
		break;
	}
}

/**
 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
 * @phba: pointer to lpfc hba data structure.
 * @vf: virtual function number
 *
 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
 * based on the given viftual function number, @vf.
 *
 * Return 0 if successful, otherwise -ENODEV.
 **/
static int
lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
{
	if (vf > LPFC_VIR_FUNC_MAX)
		return -ENODEV;

	phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
				vf * LPFC_VFR_PAGE_SIZE +
					LPFC_ULP0_RQ_DOORBELL);
	phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
				vf * LPFC_VFR_PAGE_SIZE +
					LPFC_ULP0_WQ_DOORBELL);
	phba->sli4_hba.CQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
				vf * LPFC_VFR_PAGE_SIZE +
					LPFC_EQCQ_DOORBELL);
	phba->sli4_hba.EQDBregaddr = phba->sli4_hba.CQDBregaddr;
	phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
				vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
	phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
				vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
	return 0;
}

/**
 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to create the bootstrap mailbox
 * region consistent with the SLI-4 interface spec.  This
 * routine allocates all memory necessary to communicate
 * mailbox commands to the port and sets up all alignment
 * needs.  No locks are expected to be held when calling
 * this routine.
 *
 * Return codes
 * 	0 - successful
 * 	-ENOMEM - could not allocated memory.
 **/
static int
lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
{
	uint32_t bmbx_size;
	struct lpfc_dmabuf *dmabuf;
	struct dma_address *dma_address;
	uint32_t pa_addr;
	uint64_t phys_addr;

	dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
	if (!dmabuf)
		return -ENOMEM;

	/*
	 * The bootstrap mailbox region is comprised of 2 parts
	 * plus an alignment restriction of 16 bytes.
	 */
	bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
	dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, bmbx_size,
					  &dmabuf->phys, GFP_KERNEL);
	if (!dmabuf->virt) {
		kfree(dmabuf);
		return -ENOMEM;
	}

	/*
	 * Initialize the bootstrap mailbox pointers now so that the register
	 * operations are simple later.  The mailbox dma address is required
	 * to be 16-byte aligned.  Also align the virtual memory as each
	 * maibox is copied into the bmbx mailbox region before issuing the
	 * command to the port.
	 */
	phba->sli4_hba.bmbx.dmabuf = dmabuf;
	phba->sli4_hba.bmbx.bmbx_size = bmbx_size;

	phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
					      LPFC_ALIGN_16_BYTE);
	phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
					      LPFC_ALIGN_16_BYTE);

	/*
	 * Set the high and low physical addresses now.  The SLI4 alignment
	 * requirement is 16 bytes and the mailbox is posted to the port
	 * as two 30-bit addresses.  The other data is a bit marking whether
	 * the 30-bit address is the high or low address.
	 * Upcast bmbx aphys to 64bits so shift instruction compiles
	 * clean on 32 bit machines.
	 */
	dma_address = &phba->sli4_hba.bmbx.dma_address;
	phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
	pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
	dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
					   LPFC_BMBX_BIT1_ADDR_HI);

	pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
	dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
					   LPFC_BMBX_BIT1_ADDR_LO);
	return 0;
}

/**
 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to teardown the bootstrap mailbox
 * region and release all host resources. This routine requires
 * the caller to ensure all mailbox commands recovered, no
 * additional mailbox comands are sent, and interrupts are disabled
 * before calling this routine.
 *
 **/
static void
lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
{
	dma_free_coherent(&phba->pcidev->dev,
			  phba->sli4_hba.bmbx.bmbx_size,
			  phba->sli4_hba.bmbx.dmabuf->virt,
			  phba->sli4_hba.bmbx.dmabuf->phys);

	kfree(phba->sli4_hba.bmbx.dmabuf);
	memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
}

/**
 * lpfc_sli4_read_config - Get the config parameters.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to read the configuration parameters from the HBA.
 * The configuration parameters are used to set the base and maximum values
 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
 * allocation for the port.
 *
 * Return codes
 * 	0 - successful
 * 	-ENOMEM - No available memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
int
lpfc_sli4_read_config(struct lpfc_hba *phba)
{
	LPFC_MBOXQ_t *pmb;
	struct lpfc_mbx_read_config *rd_config;
	union  lpfc_sli4_cfg_shdr *shdr;
	uint32_t shdr_status, shdr_add_status;
	struct lpfc_mbx_get_func_cfg *get_func_cfg;
	struct lpfc_rsrc_desc_fcfcoe *desc;
	char *pdesc_0;
	uint16_t forced_link_speed;
	uint32_t if_type;
	int length, i, rc = 0, rc2;

	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"2011 Unable to allocate memory for issuing "
				"SLI_CONFIG_SPECIAL mailbox command\n");
		return -ENOMEM;
	}

	lpfc_read_config(phba, pmb);

	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
	if (rc != MBX_SUCCESS) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
			"2012 Mailbox failed , mbxCmd x%x "
			"READ_CONFIG, mbxStatus x%x\n",
			bf_get(lpfc_mqe_command, &pmb->u.mqe),
			bf_get(lpfc_mqe_status, &pmb->u.mqe));
		rc = -EIO;
	} else {
		rd_config = &pmb->u.mqe.un.rd_config;
		if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
			phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
			phba->sli4_hba.lnk_info.lnk_tp =
				bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
			phba->sli4_hba.lnk_info.lnk_no =
				bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
			lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
					"3081 lnk_type:%d, lnk_numb:%d\n",
					phba->sli4_hba.lnk_info.lnk_tp,
					phba->sli4_hba.lnk_info.lnk_no);
		} else
			lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
					"3082 Mailbox (x%x) returned ldv:x0\n",
					bf_get(lpfc_mqe_command, &pmb->u.mqe));
		if (bf_get(lpfc_mbx_rd_conf_bbscn_def, rd_config)) {
			phba->bbcredit_support = 1;
			phba->sli4_hba.bbscn_params.word0 = rd_config->word8;
		}

		phba->sli4_hba.conf_trunk =
			bf_get(lpfc_mbx_rd_conf_trunk, rd_config);
		phba->sli4_hba.extents_in_use =
			bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
		phba->sli4_hba.max_cfg_param.max_xri =
			bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
		phba->sli4_hba.max_cfg_param.xri_base =
			bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
		phba->sli4_hba.max_cfg_param.max_vpi =
			bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
		/* Limit the max we support */
		if (phba->sli4_hba.max_cfg_param.max_vpi > LPFC_MAX_VPORTS)
			phba->sli4_hba.max_cfg_param.max_vpi = LPFC_MAX_VPORTS;
		phba->sli4_hba.max_cfg_param.vpi_base =
			bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
		phba->sli4_hba.max_cfg_param.max_rpi =
			bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
		phba->sli4_hba.max_cfg_param.rpi_base =
			bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
		phba->sli4_hba.max_cfg_param.max_vfi =
			bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
		phba->sli4_hba.max_cfg_param.vfi_base =
			bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
		phba->sli4_hba.max_cfg_param.max_fcfi =
			bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
		phba->sli4_hba.max_cfg_param.max_eq =
			bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
		phba->sli4_hba.max_cfg_param.max_rq =
			bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
		phba->sli4_hba.max_cfg_param.max_wq =
			bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
		phba->sli4_hba.max_cfg_param.max_cq =
			bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
		phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
		phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
		phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
		phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
		phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
				(phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
		phba->max_vports = phba->max_vpi;
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"2003 cfg params Extents? %d "
				"XRI(B:%d M:%d), "
				"VPI(B:%d M:%d) "
				"VFI(B:%d M:%d) "
				"RPI(B:%d M:%d) "
				"FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n",
				phba->sli4_hba.extents_in_use,
				phba->sli4_hba.max_cfg_param.xri_base,
				phba->sli4_hba.max_cfg_param.max_xri,
				phba->sli4_hba.max_cfg_param.vpi_base,
				phba->sli4_hba.max_cfg_param.max_vpi,
				phba->sli4_hba.max_cfg_param.vfi_base,
				phba->sli4_hba.max_cfg_param.max_vfi,
				phba->sli4_hba.max_cfg_param.rpi_base,
				phba->sli4_hba.max_cfg_param.max_rpi,
				phba->sli4_hba.max_cfg_param.max_fcfi,
				phba->sli4_hba.max_cfg_param.max_eq,
				phba->sli4_hba.max_cfg_param.max_cq,
				phba->sli4_hba.max_cfg_param.max_wq,
				phba->sli4_hba.max_cfg_param.max_rq);

		/*
		 * Calculate NVME queue resources based on how
		 * many WQ/CQs are available.
		 */
		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
			length = phba->sli4_hba.max_cfg_param.max_wq;
			if (phba->sli4_hba.max_cfg_param.max_cq <
			    phba->sli4_hba.max_cfg_param.max_wq)
				length = phba->sli4_hba.max_cfg_param.max_cq;

			/*
			 * Whats left after this can go toward NVME.
			 * The minus 6 accounts for ELS, NVME LS, MBOX
			 * fof plus a couple extra. When configured for
			 * NVMET, FCP io channel WQs are not created.
			 */
			length -= 6;
			if (!phba->nvmet_support)
				length -= phba->cfg_fcp_io_channel;

			if (phba->cfg_nvme_io_channel > length) {
				lpfc_printf_log(
					phba, KERN_ERR, LOG_SLI,
					"2005 Reducing NVME IO channel to %d: "
					"WQ %d CQ %d NVMEIO %d FCPIO %d\n",
					length,
					phba->sli4_hba.max_cfg_param.max_wq,
					phba->sli4_hba.max_cfg_param.max_cq,
					phba->cfg_nvme_io_channel,
					phba->cfg_fcp_io_channel);

				phba->cfg_nvme_io_channel = length;
			}
		}
	}

	if (rc)
		goto read_cfg_out;

	/* Update link speed if forced link speed is supported */
	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
	if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) {
		forced_link_speed =
			bf_get(lpfc_mbx_rd_conf_link_speed, rd_config);
		if (forced_link_speed) {
			phba->hba_flag |= HBA_FORCED_LINK_SPEED;

			switch (forced_link_speed) {
			case LINK_SPEED_1G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_1G;
				break;
			case LINK_SPEED_2G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_2G;
				break;
			case LINK_SPEED_4G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_4G;
				break;
			case LINK_SPEED_8G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_8G;
				break;
			case LINK_SPEED_10G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_10G;
				break;
			case LINK_SPEED_16G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_16G;
				break;
			case LINK_SPEED_32G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_32G;
				break;
			case LINK_SPEED_64G:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_64G;
				break;
			case 0xffff:
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_AUTO;
				break;
			default:
				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
						"0047 Unrecognized link "
						"speed : %d\n",
						forced_link_speed);
				phba->cfg_link_speed =
					LPFC_USER_LINK_SPEED_AUTO;
			}
		}
	}

	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
	length = phba->sli4_hba.max_cfg_param.max_xri -
			lpfc_sli4_get_els_iocb_cnt(phba);
	if (phba->cfg_hba_queue_depth > length) {
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"3361 HBA queue depth changed from %d to %d\n",
				phba->cfg_hba_queue_depth, length);
		phba->cfg_hba_queue_depth = length;
	}

	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
	    LPFC_SLI_INTF_IF_TYPE_2)
		goto read_cfg_out;

	/* get the pf# and vf# for SLI4 if_type 2 port */
	length = (sizeof(struct lpfc_mbx_get_func_cfg) -
		  sizeof(struct lpfc_sli4_cfg_mhdr));
	lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
			 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
			 length, LPFC_SLI4_MBX_EMBED);

	rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
	shdr = (union lpfc_sli4_cfg_shdr *)
				&pmb->u.mqe.un.sli4_config.header.cfg_shdr;
	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
	if (rc2 || shdr_status || shdr_add_status) {
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"3026 Mailbox failed , mbxCmd x%x "
				"GET_FUNCTION_CONFIG, mbxStatus x%x\n",
				bf_get(lpfc_mqe_command, &pmb->u.mqe),
				bf_get(lpfc_mqe_status, &pmb->u.mqe));
		goto read_cfg_out;
	}

	/* search for fc_fcoe resrouce descriptor */
	get_func_cfg = &pmb->u.mqe.un.get_func_cfg;

	pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
	desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
	length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
	if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
		length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
	else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
		goto read_cfg_out;

	for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
		desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
		if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
		    bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
			phba->sli4_hba.iov.pf_number =
				bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
			phba->sli4_hba.iov.vf_number =
				bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
			break;
		}
	}

	if (i < LPFC_RSRC_DESC_MAX_NUM)
		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
				"3027 GET_FUNCTION_CONFIG: pf_number:%d, "
				"vf_number:%d\n", phba->sli4_hba.iov.pf_number,
				phba->sli4_hba.iov.vf_number);
	else
		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
				"3028 GET_FUNCTION_CONFIG: failed to find "
				"Resource Descriptor:x%x\n",
				LPFC_RSRC_DESC_TYPE_FCFCOE);

read_cfg_out:
	mempool_free(pmb, phba->mbox_mem_pool);
	return rc;
}

/**
 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to setup the port-side endian order when
 * the port if_type is 0.  This routine has no function for other
 * if_types.
 *
 * Return codes
 * 	0 - successful
 * 	-ENOMEM - No available memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
static int
lpfc_setup_endian_order(struct lpfc_hba *phba)
{
	LPFC_MBOXQ_t *mboxq;
	uint32_t if_type, rc = 0;
	uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
				      HOST_ENDIAN_HIGH_WORD1};

	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
	switch (if_type) {
	case LPFC_SLI_INTF_IF_TYPE_0:
		mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
						       GFP_KERNEL);
		if (!mboxq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0492 Unable to allocate memory for "
					"issuing SLI_CONFIG_SPECIAL mailbox "
					"command\n");
			return -ENOMEM;
		}

		/*
		 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
		 * two words to contain special data values and no other data.
		 */
		memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
		memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
		if (rc != MBX_SUCCESS) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0493 SLI_CONFIG_SPECIAL mailbox "
					"failed with status x%x\n",
					rc);
			rc = -EIO;
		}
		mempool_free(mboxq, phba->mbox_mem_pool);
		break;
	case LPFC_SLI_INTF_IF_TYPE_6:
	case LPFC_SLI_INTF_IF_TYPE_2:
	case LPFC_SLI_INTF_IF_TYPE_1:
	default:
		break;
	}
	return rc;
}

/**
 * lpfc_sli4_queue_verify - Verify and update EQ counts
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to check the user settable queue counts for EQs.
 * After this routine is called the counts will be set to valid values that
 * adhere to the constraints of the system's interrupt vectors and the port's
 * queue resources.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No available memory
 **/
static int
lpfc_sli4_queue_verify(struct lpfc_hba *phba)
{
	int io_channel;
	int fof_vectors = phba->cfg_fof ? 1 : 0;

	/*
	 * Sanity check for configured queue parameters against the run-time
	 * device parameters
	 */

	/* Sanity check on HBA EQ parameters */
	io_channel = phba->io_channel_irqs;

	if (phba->sli4_hba.num_online_cpu < io_channel) {
		lpfc_printf_log(phba,
				KERN_ERR, LOG_INIT,
				"3188 Reducing IO channels to match number of "
				"online CPUs: from %d to %d\n",
				io_channel, phba->sli4_hba.num_online_cpu);
		io_channel = phba->sli4_hba.num_online_cpu;
	}

	if (io_channel + fof_vectors > phba->sli4_hba.max_cfg_param.max_eq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2575 Reducing IO channels to match number of "
				"available EQs: from %d to %d\n",
				io_channel,
				phba->sli4_hba.max_cfg_param.max_eq);
		io_channel = phba->sli4_hba.max_cfg_param.max_eq - fof_vectors;
	}

	/* The actual number of FCP / NVME event queues adopted */
	if (io_channel != phba->io_channel_irqs)
		phba->io_channel_irqs = io_channel;
	if (phba->cfg_fcp_io_channel > io_channel)
		phba->cfg_fcp_io_channel = io_channel;
	if (phba->cfg_nvme_io_channel > io_channel)
		phba->cfg_nvme_io_channel = io_channel;
	if (phba->nvmet_support) {
		if (phba->cfg_nvme_io_channel < phba->cfg_nvmet_mrq)
			phba->cfg_nvmet_mrq = phba->cfg_nvme_io_channel;
	}
	if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX)
		phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX;

	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2574 IO channels: irqs %d fcp %d nvme %d MRQ: %d\n",
			phba->io_channel_irqs, phba->cfg_fcp_io_channel,
			phba->cfg_nvme_io_channel, phba->cfg_nvmet_mrq);

	/* Get EQ depth from module parameter, fake the default for now */
	phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
	phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;

	/* Get CQ depth from module parameter, fake the default for now */
	phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
	phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
	return 0;
}

static int
lpfc_alloc_nvme_wq_cq(struct lpfc_hba *phba, int wqidx)
{
	struct lpfc_queue *qdesc;

	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
				      phba->sli4_hba.cq_esize,
				      LPFC_CQE_EXP_COUNT);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0508 Failed allocate fast-path NVME CQ (%d)\n",
				wqidx);
		return 1;
	}
	qdesc->qe_valid = 1;
	phba->sli4_hba.nvme_cq[wqidx] = qdesc;

	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
				      LPFC_WQE128_SIZE, LPFC_WQE_EXP_COUNT);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0509 Failed allocate fast-path NVME WQ (%d)\n",
				wqidx);
		return 1;
	}
	phba->sli4_hba.nvme_wq[wqidx] = qdesc;
	list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);
	return 0;
}

static int
lpfc_alloc_fcp_wq_cq(struct lpfc_hba *phba, int wqidx)
{
	struct lpfc_queue *qdesc;
	uint32_t wqesize;

	/* Create Fast Path FCP CQs */
	if (phba->enab_exp_wqcq_pages)
		/* Increase the CQ size when WQEs contain an embedded cdb */
		qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
					      phba->sli4_hba.cq_esize,
					      LPFC_CQE_EXP_COUNT);

	else
		qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
					      phba->sli4_hba.cq_esize,
					      phba->sli4_hba.cq_ecount);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx);
		return 1;
	}
	qdesc->qe_valid = 1;
	phba->sli4_hba.fcp_cq[wqidx] = qdesc;

	/* Create Fast Path FCP WQs */
	if (phba->enab_exp_wqcq_pages) {
		/* Increase the WQ size when WQEs contain an embedded cdb */
		wqesize = (phba->fcp_embed_io) ?
			LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize;
		qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE,
					      wqesize,
					      LPFC_WQE_EXP_COUNT);
	} else
		qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
					      phba->sli4_hba.wq_esize,
					      phba->sli4_hba.wq_ecount);

	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0503 Failed allocate fast-path FCP WQ (%d)\n",
				wqidx);
		return 1;
	}
	phba->sli4_hba.fcp_wq[wqidx] = qdesc;
	list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);
	return 0;
}

/**
 * lpfc_sli4_queue_create - Create all the SLI4 queues
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
 * operation. For each SLI4 queue type, the parameters such as queue entry
 * count (queue depth) shall be taken from the module parameter. For now,
 * we just use some constant number as place holder.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No availble memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
int
lpfc_sli4_queue_create(struct lpfc_hba *phba)
{
	struct lpfc_queue *qdesc;
	int idx, io_channel;

	/*
	 * Create HBA Record arrays.
	 * Both NVME and FCP will share that same vectors / EQs
	 */
	io_channel = phba->io_channel_irqs;
	if (!io_channel)
		return -ERANGE;

	phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
	phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
	phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
	phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
	phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
	phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
	phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
	phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
	phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
	phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;

	phba->sli4_hba.hba_eq =  kcalloc(io_channel,
					sizeof(struct lpfc_queue *),
					GFP_KERNEL);
	if (!phba->sli4_hba.hba_eq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2576 Failed allocate memory for "
			"fast-path EQ record array\n");
		goto out_error;
	}

	if (phba->cfg_fcp_io_channel) {
		phba->sli4_hba.fcp_cq = kcalloc(phba->cfg_fcp_io_channel,
						sizeof(struct lpfc_queue *),
						GFP_KERNEL);
		if (!phba->sli4_hba.fcp_cq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"2577 Failed allocate memory for "
					"fast-path CQ record array\n");
			goto out_error;
		}
		phba->sli4_hba.fcp_wq = kcalloc(phba->cfg_fcp_io_channel,
						sizeof(struct lpfc_queue *),
						GFP_KERNEL);
		if (!phba->sli4_hba.fcp_wq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"2578 Failed allocate memory for "
					"fast-path FCP WQ record array\n");
			goto out_error;
		}
		/*
		 * Since the first EQ can have multiple CQs associated with it,
		 * this array is used to quickly see if we have a FCP fast-path
		 * CQ match.
		 */
		phba->sli4_hba.fcp_cq_map = kcalloc(phba->cfg_fcp_io_channel,
							sizeof(uint16_t),
							GFP_KERNEL);
		if (!phba->sli4_hba.fcp_cq_map) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"2545 Failed allocate memory for "
					"fast-path CQ map\n");
			goto out_error;
		}
	}

	if (phba->cfg_nvme_io_channel) {
		phba->sli4_hba.nvme_cq = kcalloc(phba->cfg_nvme_io_channel,
						sizeof(struct lpfc_queue *),
						GFP_KERNEL);
		if (!phba->sli4_hba.nvme_cq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6077 Failed allocate memory for "
					"fast-path CQ record array\n");
			goto out_error;
		}

		phba->sli4_hba.nvme_wq = kcalloc(phba->cfg_nvme_io_channel,
						sizeof(struct lpfc_queue *),
						GFP_KERNEL);
		if (!phba->sli4_hba.nvme_wq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"2581 Failed allocate memory for "
					"fast-path NVME WQ record array\n");
			goto out_error;
		}

		/*
		 * Since the first EQ can have multiple CQs associated with it,
		 * this array is used to quickly see if we have a NVME fast-path
		 * CQ match.
		 */
		phba->sli4_hba.nvme_cq_map = kcalloc(phba->cfg_nvme_io_channel,
							sizeof(uint16_t),
							GFP_KERNEL);
		if (!phba->sli4_hba.nvme_cq_map) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6078 Failed allocate memory for "
					"fast-path CQ map\n");
			goto out_error;
		}

		if (phba->nvmet_support) {
			phba->sli4_hba.nvmet_cqset = kcalloc(
					phba->cfg_nvmet_mrq,
					sizeof(struct lpfc_queue *),
					GFP_KERNEL);
			if (!phba->sli4_hba.nvmet_cqset) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3121 Fail allocate memory for "
					"fast-path CQ set array\n");
				goto out_error;
			}
			phba->sli4_hba.nvmet_mrq_hdr = kcalloc(
					phba->cfg_nvmet_mrq,
					sizeof(struct lpfc_queue *),
					GFP_KERNEL);
			if (!phba->sli4_hba.nvmet_mrq_hdr) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3122 Fail allocate memory for "
					"fast-path RQ set hdr array\n");
				goto out_error;
			}
			phba->sli4_hba.nvmet_mrq_data = kcalloc(
					phba->cfg_nvmet_mrq,
					sizeof(struct lpfc_queue *),
					GFP_KERNEL);
			if (!phba->sli4_hba.nvmet_mrq_data) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3124 Fail allocate memory for "
					"fast-path RQ set data array\n");
				goto out_error;
			}
		}
	}

	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list);

	/* Create HBA Event Queues (EQs) */
	for (idx = 0; idx < io_channel; idx++) {
		/* Create EQs */
		qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
					      phba->sli4_hba.eq_esize,
					      phba->sli4_hba.eq_ecount);
		if (!qdesc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0497 Failed allocate EQ (%d)\n", idx);
			goto out_error;
		}
		qdesc->qe_valid = 1;
		phba->sli4_hba.hba_eq[idx] = qdesc;
	}

	/* FCP and NVME io channels are not required to be balanced */

	for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
		if (lpfc_alloc_fcp_wq_cq(phba, idx))
			goto out_error;

	for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++)
		if (lpfc_alloc_nvme_wq_cq(phba, idx))
			goto out_error;

	if (phba->nvmet_support) {
		for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) {
			qdesc = lpfc_sli4_queue_alloc(phba,
						      LPFC_DEFAULT_PAGE_SIZE,
						      phba->sli4_hba.cq_esize,
						      phba->sli4_hba.cq_ecount);
			if (!qdesc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3142 Failed allocate NVME "
					"CQ Set (%d)\n", idx);
				goto out_error;
			}
			qdesc->qe_valid = 1;
			phba->sli4_hba.nvmet_cqset[idx] = qdesc;
		}
	}

	/*
	 * Create Slow Path Completion Queues (CQs)
	 */

	/* Create slow-path Mailbox Command Complete Queue */
	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
				      phba->sli4_hba.cq_esize,
				      phba->sli4_hba.cq_ecount);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0500 Failed allocate slow-path mailbox CQ\n");
		goto out_error;
	}
	qdesc->qe_valid = 1;
	phba->sli4_hba.mbx_cq = qdesc;

	/* Create slow-path ELS Complete Queue */
	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
				      phba->sli4_hba.cq_esize,
				      phba->sli4_hba.cq_ecount);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0501 Failed allocate slow-path ELS CQ\n");
		goto out_error;
	}
	qdesc->qe_valid = 1;
	phba->sli4_hba.els_cq = qdesc;


	/*
	 * Create Slow Path Work Queues (WQs)
	 */

	/* Create Mailbox Command Queue */

	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
				      phba->sli4_hba.mq_esize,
				      phba->sli4_hba.mq_ecount);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0505 Failed allocate slow-path MQ\n");
		goto out_error;
	}
	phba->sli4_hba.mbx_wq = qdesc;

	/*
	 * Create ELS Work Queues
	 */

	/* Create slow-path ELS Work Queue */
	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
				      phba->sli4_hba.wq_esize,
				      phba->sli4_hba.wq_ecount);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0504 Failed allocate slow-path ELS WQ\n");
		goto out_error;
	}
	phba->sli4_hba.els_wq = qdesc;
	list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
		/* Create NVME LS Complete Queue */
		qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
					      phba->sli4_hba.cq_esize,
					      phba->sli4_hba.cq_ecount);
		if (!qdesc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6079 Failed allocate NVME LS CQ\n");
			goto out_error;
		}
		qdesc->qe_valid = 1;
		phba->sli4_hba.nvmels_cq = qdesc;

		/* Create NVME LS Work Queue */
		qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
					      phba->sli4_hba.wq_esize,
					      phba->sli4_hba.wq_ecount);
		if (!qdesc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6080 Failed allocate NVME LS WQ\n");
			goto out_error;
		}
		phba->sli4_hba.nvmels_wq = qdesc;
		list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);
	}

	/*
	 * Create Receive Queue (RQ)
	 */

	/* Create Receive Queue for header */
	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
				      phba->sli4_hba.rq_esize,
				      phba->sli4_hba.rq_ecount);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0506 Failed allocate receive HRQ\n");
		goto out_error;
	}
	phba->sli4_hba.hdr_rq = qdesc;

	/* Create Receive Queue for data */
	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
				      phba->sli4_hba.rq_esize,
				      phba->sli4_hba.rq_ecount);
	if (!qdesc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0507 Failed allocate receive DRQ\n");
		goto out_error;
	}
	phba->sli4_hba.dat_rq = qdesc;

	if (phba->nvmet_support) {
		for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) {
			/* Create NVMET Receive Queue for header */
			qdesc = lpfc_sli4_queue_alloc(phba,
						      LPFC_DEFAULT_PAGE_SIZE,
						      phba->sli4_hba.rq_esize,
						      LPFC_NVMET_RQE_DEF_COUNT);
			if (!qdesc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"3146 Failed allocate "
						"receive HRQ\n");
				goto out_error;
			}
			phba->sli4_hba.nvmet_mrq_hdr[idx] = qdesc;

			/* Only needed for header of RQ pair */
			qdesc->rqbp = kzalloc(sizeof(struct lpfc_rqb),
					      GFP_KERNEL);
			if (qdesc->rqbp == NULL) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6131 Failed allocate "
						"Header RQBP\n");
				goto out_error;
			}

			/* Put list in known state in case driver load fails. */
			INIT_LIST_HEAD(&qdesc->rqbp->rqb_buffer_list);

			/* Create NVMET Receive Queue for data */
			qdesc = lpfc_sli4_queue_alloc(phba,
						      LPFC_DEFAULT_PAGE_SIZE,
						      phba->sli4_hba.rq_esize,
						      LPFC_NVMET_RQE_DEF_COUNT);
			if (!qdesc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"3156 Failed allocate "
						"receive DRQ\n");
				goto out_error;
			}
			phba->sli4_hba.nvmet_mrq_data[idx] = qdesc;
		}
	}

	/* Create the Queues needed for Flash Optimized Fabric operations */
	if (phba->cfg_fof)
		lpfc_fof_queue_create(phba);
	return 0;

out_error:
	lpfc_sli4_queue_destroy(phba);
	return -ENOMEM;
}

static inline void
__lpfc_sli4_release_queue(struct lpfc_queue **qp)
{
	if (*qp != NULL) {
		lpfc_sli4_queue_free(*qp);
		*qp = NULL;
	}
}

static inline void
lpfc_sli4_release_queues(struct lpfc_queue ***qs, int max)
{
	int idx;

	if (*qs == NULL)
		return;

	for (idx = 0; idx < max; idx++)
		__lpfc_sli4_release_queue(&(*qs)[idx]);

	kfree(*qs);
	*qs = NULL;
}

static inline void
lpfc_sli4_release_queue_map(uint16_t **qmap)
{
	if (*qmap != NULL) {
		kfree(*qmap);
		*qmap = NULL;
	}
}

/**
 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
 * operation.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No available memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
void
lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
{
	if (phba->cfg_fof)
		lpfc_fof_queue_destroy(phba);

	/* Release HBA eqs */
	lpfc_sli4_release_queues(&phba->sli4_hba.hba_eq, phba->io_channel_irqs);

	/* Release FCP cqs */
	lpfc_sli4_release_queues(&phba->sli4_hba.fcp_cq,
				 phba->cfg_fcp_io_channel);

	/* Release FCP wqs */
	lpfc_sli4_release_queues(&phba->sli4_hba.fcp_wq,
				 phba->cfg_fcp_io_channel);

	/* Release FCP CQ mapping array */
	lpfc_sli4_release_queue_map(&phba->sli4_hba.fcp_cq_map);

	/* Release NVME cqs */
	lpfc_sli4_release_queues(&phba->sli4_hba.nvme_cq,
					phba->cfg_nvme_io_channel);

	/* Release NVME wqs */
	lpfc_sli4_release_queues(&phba->sli4_hba.nvme_wq,
					phba->cfg_nvme_io_channel);

	/* Release NVME CQ mapping array */
	lpfc_sli4_release_queue_map(&phba->sli4_hba.nvme_cq_map);

	if (phba->nvmet_support) {
		lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_cqset,
					 phba->cfg_nvmet_mrq);

		lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_hdr,
					 phba->cfg_nvmet_mrq);
		lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_data,
					 phba->cfg_nvmet_mrq);
	}

	/* Release mailbox command work queue */
	__lpfc_sli4_release_queue(&phba->sli4_hba.mbx_wq);

	/* Release ELS work queue */
	__lpfc_sli4_release_queue(&phba->sli4_hba.els_wq);

	/* Release ELS work queue */
	__lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_wq);

	/* Release unsolicited receive queue */
	__lpfc_sli4_release_queue(&phba->sli4_hba.hdr_rq);
	__lpfc_sli4_release_queue(&phba->sli4_hba.dat_rq);

	/* Release ELS complete queue */
	__lpfc_sli4_release_queue(&phba->sli4_hba.els_cq);

	/* Release NVME LS complete queue */
	__lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_cq);

	/* Release mailbox command complete queue */
	__lpfc_sli4_release_queue(&phba->sli4_hba.mbx_cq);

	/* Everything on this list has been freed */
	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list);
}

int
lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *rq)
{
	struct lpfc_rqb *rqbp;
	struct lpfc_dmabuf *h_buf;
	struct rqb_dmabuf *rqb_buffer;

	rqbp = rq->rqbp;
	while (!list_empty(&rqbp->rqb_buffer_list)) {
		list_remove_head(&rqbp->rqb_buffer_list, h_buf,
				 struct lpfc_dmabuf, list);

		rqb_buffer = container_of(h_buf, struct rqb_dmabuf, hbuf);
		(rqbp->rqb_free_buffer)(phba, rqb_buffer);
		rqbp->buffer_count--;
	}
	return 1;
}

static int
lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq,
	struct lpfc_queue *cq, struct lpfc_queue *wq, uint16_t *cq_map,
	int qidx, uint32_t qtype)
{
	struct lpfc_sli_ring *pring;
	int rc;

	if (!eq || !cq || !wq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"6085 Fast-path %s (%d) not allocated\n",
			((eq) ? ((cq) ? "WQ" : "CQ") : "EQ"), qidx);
		return -ENOMEM;
	}

	/* create the Cq first */
	rc = lpfc_cq_create(phba, cq, eq,
			(qtype == LPFC_MBOX) ? LPFC_MCQ : LPFC_WCQ, qtype);
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"6086 Failed setup of CQ (%d), rc = 0x%x\n",
			qidx, (uint32_t)rc);
		return rc;
	}
	cq->chann = qidx;

	if (qtype != LPFC_MBOX) {
		/* Setup nvme_cq_map for fast lookup */
		if (cq_map)
			*cq_map = cq->queue_id;

		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n",
			qidx, cq->queue_id, qidx, eq->queue_id);

		/* create the wq */
		rc = lpfc_wq_create(phba, wq, cq, qtype);
		if (rc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"6123 Fail setup fastpath WQ (%d), rc = 0x%x\n",
				qidx, (uint32_t)rc);
			/* no need to tear down cq - caller will do so */
			return rc;
		}
		wq->chann = qidx;

		/* Bind this CQ/WQ to the NVME ring */
		pring = wq->pring;
		pring->sli.sli4.wqp = (void *)wq;
		cq->pring = pring;

		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n",
			qidx, wq->queue_id, wq->assoc_qid, qidx, cq->queue_id);
	} else {
		rc = lpfc_mq_create(phba, wq, cq, LPFC_MBOX);
		if (rc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0539 Failed setup of slow-path MQ: "
				"rc = 0x%x\n", rc);
			/* no need to tear down cq - caller will do so */
			return rc;
		}

		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
			phba->sli4_hba.mbx_wq->queue_id,
			phba->sli4_hba.mbx_cq->queue_id);
	}

	return 0;
}

/**
 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
 * operation.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No available memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
int
lpfc_sli4_queue_setup(struct lpfc_hba *phba)
{
	uint32_t shdr_status, shdr_add_status;
	union lpfc_sli4_cfg_shdr *shdr;
	LPFC_MBOXQ_t *mboxq;
	int qidx;
	uint32_t length, io_channel;
	int rc = -ENOMEM;

	/* Check for dual-ULP support */
	mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!mboxq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3249 Unable to allocate memory for "
				"QUERY_FW_CFG mailbox command\n");
		return -ENOMEM;
	}
	length = (sizeof(struct lpfc_mbx_query_fw_config) -
		  sizeof(struct lpfc_sli4_cfg_mhdr));
	lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
			 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
			 length, LPFC_SLI4_MBX_EMBED);

	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);

	shdr = (union lpfc_sli4_cfg_shdr *)
			&mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
	if (shdr_status || shdr_add_status || rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3250 QUERY_FW_CFG mailbox failed with status "
				"x%x add_status x%x, mbx status x%x\n",
				shdr_status, shdr_add_status, rc);
		if (rc != MBX_TIMEOUT)
			mempool_free(mboxq, phba->mbox_mem_pool);
		rc = -ENXIO;
		goto out_error;
	}

	phba->sli4_hba.fw_func_mode =
			mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
	phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
	phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
	phba->sli4_hba.physical_port =
			mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port;
	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
			"ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
			phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);

	if (rc != MBX_TIMEOUT)
		mempool_free(mboxq, phba->mbox_mem_pool);

	/*
	 * Set up HBA Event Queues (EQs)
	 */
	io_channel = phba->io_channel_irqs;

	/* Set up HBA event queue */
	if (io_channel && !phba->sli4_hba.hba_eq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3147 Fast-path EQs not allocated\n");
		rc = -ENOMEM;
		goto out_error;
	}
	for (qidx = 0; qidx < io_channel; qidx++) {
		if (!phba->sli4_hba.hba_eq[qidx]) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0522 Fast-path EQ (%d) not "
					"allocated\n", qidx);
			rc = -ENOMEM;
			goto out_destroy;
		}
		rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[qidx],
						phba->cfg_fcp_imax);
		if (rc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0523 Failed setup of fast-path EQ "
					"(%d), rc = 0x%x\n", qidx,
					(uint32_t)rc);
			goto out_destroy;
		}
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"2584 HBA EQ setup: queue[%d]-id=%d\n",
				qidx, phba->sli4_hba.hba_eq[qidx]->queue_id);
	}

	if (phba->cfg_nvme_io_channel) {
		if (!phba->sli4_hba.nvme_cq || !phba->sli4_hba.nvme_wq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"6084 Fast-path NVME %s array not allocated\n",
				(phba->sli4_hba.nvme_cq) ? "CQ" : "WQ");
			rc = -ENOMEM;
			goto out_destroy;
		}

		for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) {
			rc = lpfc_create_wq_cq(phba,
					phba->sli4_hba.hba_eq[
						qidx % io_channel],
					phba->sli4_hba.nvme_cq[qidx],
					phba->sli4_hba.nvme_wq[qidx],
					&phba->sli4_hba.nvme_cq_map[qidx],
					qidx, LPFC_NVME);
			if (rc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6123 Failed to setup fastpath "
					"NVME WQ/CQ (%d), rc = 0x%x\n",
					qidx, (uint32_t)rc);
				goto out_destroy;
			}
		}
	}

	if (phba->cfg_fcp_io_channel) {
		/* Set up fast-path FCP Response Complete Queue */
		if (!phba->sli4_hba.fcp_cq || !phba->sli4_hba.fcp_wq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3148 Fast-path FCP %s array not allocated\n",
				phba->sli4_hba.fcp_cq ? "WQ" : "CQ");
			rc = -ENOMEM;
			goto out_destroy;
		}

		for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) {
			rc = lpfc_create_wq_cq(phba,
					phba->sli4_hba.hba_eq[
						qidx % io_channel],
					phba->sli4_hba.fcp_cq[qidx],
					phba->sli4_hba.fcp_wq[qidx],
					&phba->sli4_hba.fcp_cq_map[qidx],
					qidx, LPFC_FCP);
			if (rc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0535 Failed to setup fastpath "
					"FCP WQ/CQ (%d), rc = 0x%x\n",
					qidx, (uint32_t)rc);
				goto out_destroy;
			}
		}
	}

	/*
	 * Set up Slow Path Complete Queues (CQs)
	 */

	/* Set up slow-path MBOX CQ/MQ */

	if (!phba->sli4_hba.mbx_cq || !phba->sli4_hba.mbx_wq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0528 %s not allocated\n",
				phba->sli4_hba.mbx_cq ?
				"Mailbox WQ" : "Mailbox CQ");
		rc = -ENOMEM;
		goto out_destroy;
	}

	rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0],
			       phba->sli4_hba.mbx_cq,
			       phba->sli4_hba.mbx_wq,
			       NULL, 0, LPFC_MBOX);
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n",
			(uint32_t)rc);
		goto out_destroy;
	}
	if (phba->nvmet_support) {
		if (!phba->sli4_hba.nvmet_cqset) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"3165 Fast-path NVME CQ Set "
					"array not allocated\n");
			rc = -ENOMEM;
			goto out_destroy;
		}
		if (phba->cfg_nvmet_mrq > 1) {
			rc = lpfc_cq_create_set(phba,
					phba->sli4_hba.nvmet_cqset,
					phba->sli4_hba.hba_eq,
					LPFC_WCQ, LPFC_NVMET);
			if (rc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"3164 Failed setup of NVME CQ "
						"Set, rc = 0x%x\n",
						(uint32_t)rc);
				goto out_destroy;
			}
		} else {
			/* Set up NVMET Receive Complete Queue */
			rc = lpfc_cq_create(phba, phba->sli4_hba.nvmet_cqset[0],
					    phba->sli4_hba.hba_eq[0],
					    LPFC_WCQ, LPFC_NVMET);
			if (rc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6089 Failed setup NVMET CQ: "
						"rc = 0x%x\n", (uint32_t)rc);
				goto out_destroy;
			}
			phba->sli4_hba.nvmet_cqset[0]->chann = 0;

			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
					"6090 NVMET CQ setup: cq-id=%d, "
					"parent eq-id=%d\n",
					phba->sli4_hba.nvmet_cqset[0]->queue_id,
					phba->sli4_hba.hba_eq[0]->queue_id);
		}
	}

	/* Set up slow-path ELS WQ/CQ */
	if (!phba->sli4_hba.els_cq || !phba->sli4_hba.els_wq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0530 ELS %s not allocated\n",
				phba->sli4_hba.els_cq ? "WQ" : "CQ");
		rc = -ENOMEM;
		goto out_destroy;
	}
	rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0],
					phba->sli4_hba.els_cq,
					phba->sli4_hba.els_wq,
					NULL, 0, LPFC_ELS);
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"0529 Failed setup of ELS WQ/CQ: rc = 0x%x\n",
			(uint32_t)rc);
		goto out_destroy;
	}
	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
			phba->sli4_hba.els_wq->queue_id,
			phba->sli4_hba.els_cq->queue_id);

	if (phba->cfg_nvme_io_channel) {
		/* Set up NVME LS Complete Queue */
		if (!phba->sli4_hba.nvmels_cq || !phba->sli4_hba.nvmels_wq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6091 LS %s not allocated\n",
					phba->sli4_hba.nvmels_cq ? "WQ" : "CQ");
			rc = -ENOMEM;
			goto out_destroy;
		}
		rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0],
					phba->sli4_hba.nvmels_cq,
					phba->sli4_hba.nvmels_wq,
					NULL, 0, LPFC_NVME_LS);
		if (rc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0529 Failed setup of NVVME LS WQ/CQ: "
				"rc = 0x%x\n", (uint32_t)rc);
			goto out_destroy;
		}

		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"6096 ELS WQ setup: wq-id=%d, "
				"parent cq-id=%d\n",
				phba->sli4_hba.nvmels_wq->queue_id,
				phba->sli4_hba.nvmels_cq->queue_id);
	}

	/*
	 * Create NVMET Receive Queue (RQ)
	 */
	if (phba->nvmet_support) {
		if ((!phba->sli4_hba.nvmet_cqset) ||
		    (!phba->sli4_hba.nvmet_mrq_hdr) ||
		    (!phba->sli4_hba.nvmet_mrq_data)) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6130 MRQ CQ Queues not "
					"allocated\n");
			rc = -ENOMEM;
			goto out_destroy;
		}
		if (phba->cfg_nvmet_mrq > 1) {
			rc = lpfc_mrq_create(phba,
					     phba->sli4_hba.nvmet_mrq_hdr,
					     phba->sli4_hba.nvmet_mrq_data,
					     phba->sli4_hba.nvmet_cqset,
					     LPFC_NVMET);
			if (rc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6098 Failed setup of NVMET "
						"MRQ: rc = 0x%x\n",
						(uint32_t)rc);
				goto out_destroy;
			}

		} else {
			rc = lpfc_rq_create(phba,
					    phba->sli4_hba.nvmet_mrq_hdr[0],
					    phba->sli4_hba.nvmet_mrq_data[0],
					    phba->sli4_hba.nvmet_cqset[0],
					    LPFC_NVMET);
			if (rc) {
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6057 Failed setup of NVMET "
						"Receive Queue: rc = 0x%x\n",
						(uint32_t)rc);
				goto out_destroy;
			}

			lpfc_printf_log(
				phba, KERN_INFO, LOG_INIT,
				"6099 NVMET RQ setup: hdr-rq-id=%d, "
				"dat-rq-id=%d parent cq-id=%d\n",
				phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id,
				phba->sli4_hba.nvmet_mrq_data[0]->queue_id,
				phba->sli4_hba.nvmet_cqset[0]->queue_id);

		}
	}

	if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0540 Receive Queue not allocated\n");
		rc = -ENOMEM;
		goto out_destroy;
	}

	rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
			    phba->sli4_hba.els_cq, LPFC_USOL);
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0541 Failed setup of Receive Queue: "
				"rc = 0x%x\n", (uint32_t)rc);
		goto out_destroy;
	}

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
			"parent cq-id=%d\n",
			phba->sli4_hba.hdr_rq->queue_id,
			phba->sli4_hba.dat_rq->queue_id,
			phba->sli4_hba.els_cq->queue_id);

	if (phba->cfg_fof) {
		rc = lpfc_fof_queue_setup(phba);
		if (rc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0549 Failed setup of FOF Queues: "
					"rc = 0x%x\n", rc);
			goto out_destroy;
		}
	}

	for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY_EQID_CNT)
		lpfc_modify_hba_eq_delay(phba, qidx, LPFC_MAX_EQ_DELAY_EQID_CNT,
					 phba->cfg_fcp_imax);

	return 0;

out_destroy:
	lpfc_sli4_queue_unset(phba);
out_error:
	return rc;
}

/**
 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
 * operation.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No available memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
void
lpfc_sli4_queue_unset(struct lpfc_hba *phba)
{
	int qidx;

	/* Unset the queues created for Flash Optimized Fabric operations */
	if (phba->cfg_fof)
		lpfc_fof_queue_destroy(phba);

	/* Unset mailbox command work queue */
	if (phba->sli4_hba.mbx_wq)
		lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);

	/* Unset NVME LS work queue */
	if (phba->sli4_hba.nvmels_wq)
		lpfc_wq_destroy(phba, phba->sli4_hba.nvmels_wq);

	/* Unset ELS work queue */
	if (phba->sli4_hba.els_wq)
		lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);

	/* Unset unsolicited receive queue */
	if (phba->sli4_hba.hdr_rq)
		lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq,
				phba->sli4_hba.dat_rq);

	/* Unset FCP work queue */
	if (phba->sli4_hba.fcp_wq)
		for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++)
			lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[qidx]);

	/* Unset NVME work queue */
	if (phba->sli4_hba.nvme_wq) {
		for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++)
			lpfc_wq_destroy(phba, phba->sli4_hba.nvme_wq[qidx]);
	}

	/* Unset mailbox command complete queue */
	if (phba->sli4_hba.mbx_cq)
		lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);

	/* Unset ELS complete queue */
	if (phba->sli4_hba.els_cq)
		lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);

	/* Unset NVME LS complete queue */
	if (phba->sli4_hba.nvmels_cq)
		lpfc_cq_destroy(phba, phba->sli4_hba.nvmels_cq);

	/* Unset NVME response complete queue */
	if (phba->sli4_hba.nvme_cq)
		for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++)
			lpfc_cq_destroy(phba, phba->sli4_hba.nvme_cq[qidx]);

	if (phba->nvmet_support) {
		/* Unset NVMET MRQ queue */
		if (phba->sli4_hba.nvmet_mrq_hdr) {
			for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++)
				lpfc_rq_destroy(
					phba,
					phba->sli4_hba.nvmet_mrq_hdr[qidx],
					phba->sli4_hba.nvmet_mrq_data[qidx]);
		}

		/* Unset NVMET CQ Set complete queue */
		if (phba->sli4_hba.nvmet_cqset) {
			for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++)
				lpfc_cq_destroy(
					phba, phba->sli4_hba.nvmet_cqset[qidx]);
		}
	}

	/* Unset FCP response complete queue */
	if (phba->sli4_hba.fcp_cq)
		for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++)
			lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[qidx]);

	/* Unset fast-path event queue */
	if (phba->sli4_hba.hba_eq)
		for (qidx = 0; qidx < phba->io_channel_irqs; qidx++)
			lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[qidx]);
}

/**
 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to allocate and set up a pool of completion queue
 * events. The body of the completion queue event is a completion queue entry
 * CQE. For now, this pool is used for the interrupt service routine to queue
 * the following HBA completion queue events for the worker thread to process:
 *   - Mailbox asynchronous events
 *   - Receive queue completion unsolicited events
 * Later, this can be used for all the slow-path events.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No available memory
 **/
static int
lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
{
	struct lpfc_cq_event *cq_event;
	int i;

	for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
		cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
		if (!cq_event)
			goto out_pool_create_fail;
		list_add_tail(&cq_event->list,
			      &phba->sli4_hba.sp_cqe_event_pool);
	}
	return 0;

out_pool_create_fail:
	lpfc_sli4_cq_event_pool_destroy(phba);
	return -ENOMEM;
}

/**
 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to free the pool of completion queue events at
 * driver unload time. Note that, it is the responsibility of the driver
 * cleanup routine to free all the outstanding completion-queue events
 * allocated from this pool back into the pool before invoking this routine
 * to destroy the pool.
 **/
static void
lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
{
	struct lpfc_cq_event *cq_event, *next_cq_event;

	list_for_each_entry_safe(cq_event, next_cq_event,
				 &phba->sli4_hba.sp_cqe_event_pool, list) {
		list_del(&cq_event->list);
		kfree(cq_event);
	}
}

/**
 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is the lock free version of the API invoked to allocate a
 * completion-queue event from the free pool.
 *
 * Return: Pointer to the newly allocated completion-queue event if successful
 *         NULL otherwise.
 **/
struct lpfc_cq_event *
__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
{
	struct lpfc_cq_event *cq_event = NULL;

	list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
			 struct lpfc_cq_event, list);
	return cq_event;
}

/**
 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is the lock version of the API invoked to allocate a
 * completion-queue event from the free pool.
 *
 * Return: Pointer to the newly allocated completion-queue event if successful
 *         NULL otherwise.
 **/
struct lpfc_cq_event *
lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
{
	struct lpfc_cq_event *cq_event;
	unsigned long iflags;

	spin_lock_irqsave(&phba->hbalock, iflags);
	cq_event = __lpfc_sli4_cq_event_alloc(phba);
	spin_unlock_irqrestore(&phba->hbalock, iflags);
	return cq_event;
}

/**
 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
 * @phba: pointer to lpfc hba data structure.
 * @cq_event: pointer to the completion queue event to be freed.
 *
 * This routine is the lock free version of the API invoked to release a
 * completion-queue event back into the free pool.
 **/
void
__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
			     struct lpfc_cq_event *cq_event)
{
	list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
}

/**
 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
 * @phba: pointer to lpfc hba data structure.
 * @cq_event: pointer to the completion queue event to be freed.
 *
 * This routine is the lock version of the API invoked to release a
 * completion-queue event back into the free pool.
 **/
void
lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
			   struct lpfc_cq_event *cq_event)
{
	unsigned long iflags;
	spin_lock_irqsave(&phba->hbalock, iflags);
	__lpfc_sli4_cq_event_release(phba, cq_event);
	spin_unlock_irqrestore(&phba->hbalock, iflags);
}

/**
 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is to free all the pending completion-queue events to the
 * back into the free pool for device reset.
 **/
static void
lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
{
	LIST_HEAD(cqelist);
	struct lpfc_cq_event *cqe;
	unsigned long iflags;

	/* Retrieve all the pending WCQEs from pending WCQE lists */
	spin_lock_irqsave(&phba->hbalock, iflags);
	/* Pending FCP XRI abort events */
	list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
			 &cqelist);
	/* Pending ELS XRI abort events */
	list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
			 &cqelist);
	/* Pending asynnc events */
	list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
			 &cqelist);
	spin_unlock_irqrestore(&phba->hbalock, iflags);

	while (!list_empty(&cqelist)) {
		list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
		lpfc_sli4_cq_event_release(phba, cqe);
	}
}

/**
 * lpfc_pci_function_reset - Reset pci function.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to request a PCI function reset. It will destroys
 * all resources assigned to the PCI function which originates this request.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No available memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
int
lpfc_pci_function_reset(struct lpfc_hba *phba)
{
	LPFC_MBOXQ_t *mboxq;
	uint32_t rc = 0, if_type;
	uint32_t shdr_status, shdr_add_status;
	uint32_t rdy_chk;
	uint32_t port_reset = 0;
	union lpfc_sli4_cfg_shdr *shdr;
	struct lpfc_register reg_data;
	uint16_t devid;

	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
	switch (if_type) {
	case LPFC_SLI_INTF_IF_TYPE_0:
		mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
						       GFP_KERNEL);
		if (!mboxq) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0494 Unable to allocate memory for "
					"issuing SLI_FUNCTION_RESET mailbox "
					"command\n");
			return -ENOMEM;
		}

		/* Setup PCI function reset mailbox-ioctl command */
		lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
				 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
				 LPFC_SLI4_MBX_EMBED);
		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
		shdr = (union lpfc_sli4_cfg_shdr *)
			&mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
		shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
		shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
					 &shdr->response);
		if (rc != MBX_TIMEOUT)
			mempool_free(mboxq, phba->mbox_mem_pool);
		if (shdr_status || shdr_add_status || rc) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0495 SLI_FUNCTION_RESET mailbox "
					"failed with status x%x add_status x%x,"
					" mbx status x%x\n",
					shdr_status, shdr_add_status, rc);
			rc = -ENXIO;
		}
		break;
	case LPFC_SLI_INTF_IF_TYPE_2:
	case LPFC_SLI_INTF_IF_TYPE_6:
wait:
		/*
		 * Poll the Port Status Register and wait for RDY for
		 * up to 30 seconds. If the port doesn't respond, treat
		 * it as an error.
		 */
		for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) {
			if (lpfc_readl(phba->sli4_hba.u.if_type2.
				STATUSregaddr, &reg_data.word0)) {
				rc = -ENODEV;
				goto out;
			}
			if (bf_get(lpfc_sliport_status_rdy, &reg_data))
				break;
			msleep(20);
		}

		if (!bf_get(lpfc_sliport_status_rdy, &reg_data)) {
			phba->work_status[0] = readl(
				phba->sli4_hba.u.if_type2.ERR1regaddr);
			phba->work_status[1] = readl(
				phba->sli4_hba.u.if_type2.ERR2regaddr);
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"2890 Port not ready, port status reg "
					"0x%x error 1=0x%x, error 2=0x%x\n",
					reg_data.word0,
					phba->work_status[0],
					phba->work_status[1]);
			rc = -ENODEV;
			goto out;
		}

		if (!port_reset) {
			/*
			 * Reset the port now
			 */
			reg_data.word0 = 0;
			bf_set(lpfc_sliport_ctrl_end, &reg_data,
			       LPFC_SLIPORT_LITTLE_ENDIAN);
			bf_set(lpfc_sliport_ctrl_ip, &reg_data,
			       LPFC_SLIPORT_INIT_PORT);
			writel(reg_data.word0, phba->sli4_hba.u.if_type2.
			       CTRLregaddr);
			/* flush */
			pci_read_config_word(phba->pcidev,
					     PCI_DEVICE_ID, &devid);

			port_reset = 1;
			msleep(20);
			goto wait;
		} else if (bf_get(lpfc_sliport_status_rn, &reg_data)) {
			rc = -ENODEV;
			goto out;
		}
		break;

	case LPFC_SLI_INTF_IF_TYPE_1:
	default:
		break;
	}

out:
	/* Catch the not-ready port failure after a port reset. */
	if (rc) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3317 HBA not functional: IP Reset Failed "
				"try: echo fw_reset > board_mode\n");
		rc = -ENODEV;
	}

	return rc;
}

/**
 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up the PCI device memory space for device
 * with SLI-4 interface spec.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 **/
static int
lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
{
	struct pci_dev *pdev = phba->pcidev;
	unsigned long bar0map_len, bar1map_len, bar2map_len;
	int error = -ENODEV;
	uint32_t if_type;

	if (!pdev)
		return error;

	/* Set the device DMA mask size */
	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) ||
	    dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))
		return error;

	/*
	 * The BARs and register set definitions and offset locations are
	 * dependent on the if_type.
	 */
	if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
				  &phba->sli4_hba.sli_intf.word0)) {
		return error;
	}

	/* There is no SLI3 failback for SLI4 devices. */
	if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
	    LPFC_SLI_INTF_VALID) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2894 SLI_INTF reg contents invalid "
				"sli_intf reg 0x%x\n",
				phba->sli4_hba.sli_intf.word0);
		return error;
	}

	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
	/*
	 * Get the bus address of SLI4 device Bar regions and the
	 * number of bytes required by each mapping. The mapping of the
	 * particular PCI BARs regions is dependent on the type of
	 * SLI4 device.
	 */
	if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
		phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
		bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);

		/*
		 * Map SLI4 PCI Config Space Register base to a kernel virtual
		 * addr
		 */
		phba->sli4_hba.conf_regs_memmap_p =
			ioremap(phba->pci_bar0_map, bar0map_len);
		if (!phba->sli4_hba.conf_regs_memmap_p) {
			dev_printk(KERN_ERR, &pdev->dev,
				   "ioremap failed for SLI4 PCI config "
				   "registers.\n");
			goto out;
		}
		phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
		/* Set up BAR0 PCI config space register memory map */
		lpfc_sli4_bar0_register_memmap(phba, if_type);
	} else {
		phba->pci_bar0_map = pci_resource_start(pdev, 1);
		bar0map_len = pci_resource_len(pdev, 1);
		if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) {
			dev_printk(KERN_ERR, &pdev->dev,
			   "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
			goto out;
		}
		phba->sli4_hba.conf_regs_memmap_p =
				ioremap(phba->pci_bar0_map, bar0map_len);
		if (!phba->sli4_hba.conf_regs_memmap_p) {
			dev_printk(KERN_ERR, &pdev->dev,
				"ioremap failed for SLI4 PCI config "
				"registers.\n");
				goto out;
		}
		lpfc_sli4_bar0_register_memmap(phba, if_type);
	}

	if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
		if (pci_resource_start(pdev, PCI_64BIT_BAR2)) {
			/*
			 * Map SLI4 if type 0 HBA Control Register base to a
			 * kernel virtual address and setup the registers.
			 */
			phba->pci_bar1_map = pci_resource_start(pdev,
								PCI_64BIT_BAR2);
			bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
			phba->sli4_hba.ctrl_regs_memmap_p =
					ioremap(phba->pci_bar1_map,
						bar1map_len);
			if (!phba->sli4_hba.ctrl_regs_memmap_p) {
				dev_err(&pdev->dev,
					   "ioremap failed for SLI4 HBA "
					    "control registers.\n");
				error = -ENOMEM;
				goto out_iounmap_conf;
			}
			phba->pci_bar2_memmap_p =
					 phba->sli4_hba.ctrl_regs_memmap_p;
			lpfc_sli4_bar1_register_memmap(phba, if_type);
		} else {
			error = -ENOMEM;
			goto out_iounmap_conf;
		}
	}

	if ((if_type == LPFC_SLI_INTF_IF_TYPE_6) &&
	    (pci_resource_start(pdev, PCI_64BIT_BAR2))) {
		/*
		 * Map SLI4 if type 6 HBA Doorbell Register base to a kernel
		 * virtual address and setup the registers.
		 */
		phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
		bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
		phba->sli4_hba.drbl_regs_memmap_p =
				ioremap(phba->pci_bar1_map, bar1map_len);
		if (!phba->sli4_hba.drbl_regs_memmap_p) {
			dev_err(&pdev->dev,
			   "ioremap failed for SLI4 HBA doorbell registers.\n");
			goto out_iounmap_conf;
		}
		phba->pci_bar2_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
		lpfc_sli4_bar1_register_memmap(phba, if_type);
	}

	if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
		if (pci_resource_start(pdev, PCI_64BIT_BAR4)) {
			/*
			 * Map SLI4 if type 0 HBA Doorbell Register base to
			 * a kernel virtual address and setup the registers.
			 */
			phba->pci_bar2_map = pci_resource_start(pdev,
								PCI_64BIT_BAR4);
			bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
			phba->sli4_hba.drbl_regs_memmap_p =
					ioremap(phba->pci_bar2_map,
						bar2map_len);
			if (!phba->sli4_hba.drbl_regs_memmap_p) {
				dev_err(&pdev->dev,
					   "ioremap failed for SLI4 HBA"
					   " doorbell registers.\n");
				error = -ENOMEM;
				goto out_iounmap_ctrl;
			}
			phba->pci_bar4_memmap_p =
					phba->sli4_hba.drbl_regs_memmap_p;
			error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
			if (error)
				goto out_iounmap_all;
		} else {
			error = -ENOMEM;
			goto out_iounmap_all;
		}
	}

	if (if_type == LPFC_SLI_INTF_IF_TYPE_6 &&
	    pci_resource_start(pdev, PCI_64BIT_BAR4)) {
		/*
		 * Map SLI4 if type 6 HBA DPP Register base to a kernel
		 * virtual address and setup the registers.
		 */
		phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
		bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
		phba->sli4_hba.dpp_regs_memmap_p =
				ioremap(phba->pci_bar2_map, bar2map_len);
		if (!phba->sli4_hba.dpp_regs_memmap_p) {
			dev_err(&pdev->dev,
			   "ioremap failed for SLI4 HBA dpp registers.\n");
			goto out_iounmap_ctrl;
		}
		phba->pci_bar4_memmap_p = phba->sli4_hba.dpp_regs_memmap_p;
	}

	/* Set up the EQ/CQ register handeling functions now */
	switch (if_type) {
	case LPFC_SLI_INTF_IF_TYPE_0:
	case LPFC_SLI_INTF_IF_TYPE_2:
		phba->sli4_hba.sli4_eq_clr_intr = lpfc_sli4_eq_clr_intr;
		phba->sli4_hba.sli4_eq_release = lpfc_sli4_eq_release;
		phba->sli4_hba.sli4_cq_release = lpfc_sli4_cq_release;
		break;
	case LPFC_SLI_INTF_IF_TYPE_6:
		phba->sli4_hba.sli4_eq_clr_intr = lpfc_sli4_if6_eq_clr_intr;
		phba->sli4_hba.sli4_eq_release = lpfc_sli4_if6_eq_release;
		phba->sli4_hba.sli4_cq_release = lpfc_sli4_if6_cq_release;
		break;
	default:
		break;
	}

	return 0;

out_iounmap_all:
	iounmap(phba->sli4_hba.drbl_regs_memmap_p);
out_iounmap_ctrl:
	iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
out_iounmap_conf:
	iounmap(phba->sli4_hba.conf_regs_memmap_p);
out:
	return error;
}

/**
 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to unset the PCI device memory space for device
 * with SLI-4 interface spec.
 **/
static void
lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
{
	uint32_t if_type;
	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);

	switch (if_type) {
	case LPFC_SLI_INTF_IF_TYPE_0:
		iounmap(phba->sli4_hba.drbl_regs_memmap_p);
		iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
		iounmap(phba->sli4_hba.conf_regs_memmap_p);
		break;
	case LPFC_SLI_INTF_IF_TYPE_2:
		iounmap(phba->sli4_hba.conf_regs_memmap_p);
		break;
	case LPFC_SLI_INTF_IF_TYPE_6:
		iounmap(phba->sli4_hba.drbl_regs_memmap_p);
		iounmap(phba->sli4_hba.conf_regs_memmap_p);
		break;
	case LPFC_SLI_INTF_IF_TYPE_1:
	default:
		dev_printk(KERN_ERR, &phba->pcidev->dev,
			   "FATAL - unsupported SLI4 interface type - %d\n",
			   if_type);
		break;
	}
}

/**
 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to enable the MSI-X interrupt vectors to device
 * with SLI-3 interface specs.
 *
 * Return codes
 *   0 - successful
 *   other values - error
 **/
static int
lpfc_sli_enable_msix(struct lpfc_hba *phba)
{
	int rc;
	LPFC_MBOXQ_t *pmb;

	/* Set up MSI-X multi-message vectors */
	rc = pci_alloc_irq_vectors(phba->pcidev,
			LPFC_MSIX_VECTORS, LPFC_MSIX_VECTORS, PCI_IRQ_MSIX);
	if (rc < 0) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0420 PCI enable MSI-X failed (%d)\n", rc);
		goto vec_fail_out;
	}

	/*
	 * Assign MSI-X vectors to interrupt handlers
	 */

	/* vector-0 is associated to slow-path handler */
	rc = request_irq(pci_irq_vector(phba->pcidev, 0),
			 &lpfc_sli_sp_intr_handler, 0,
			 LPFC_SP_DRIVER_HANDLER_NAME, phba);
	if (rc) {
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"0421 MSI-X slow-path request_irq failed "
				"(%d)\n", rc);
		goto msi_fail_out;
	}

	/* vector-1 is associated to fast-path handler */
	rc = request_irq(pci_irq_vector(phba->pcidev, 1),
			 &lpfc_sli_fp_intr_handler, 0,
			 LPFC_FP_DRIVER_HANDLER_NAME, phba);

	if (rc) {
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"0429 MSI-X fast-path request_irq failed "
				"(%d)\n", rc);
		goto irq_fail_out;
	}

	/*
	 * Configure HBA MSI-X attention conditions to messages
	 */
	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);

	if (!pmb) {
		rc = -ENOMEM;
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0474 Unable to allocate memory for issuing "
				"MBOX_CONFIG_MSI command\n");
		goto mem_fail_out;
	}
	rc = lpfc_config_msi(phba, pmb);
	if (rc)
		goto mbx_fail_out;
	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
	if (rc != MBX_SUCCESS) {
		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
				"0351 Config MSI mailbox command failed, "
				"mbxCmd x%x, mbxStatus x%x\n",
				pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
		goto mbx_fail_out;
	}

	/* Free memory allocated for mailbox command */
	mempool_free(pmb, phba->mbox_mem_pool);
	return rc;

mbx_fail_out:
	/* Free memory allocated for mailbox command */
	mempool_free(pmb, phba->mbox_mem_pool);

mem_fail_out:
	/* free the irq already requested */
	free_irq(pci_irq_vector(phba->pcidev, 1), phba);

irq_fail_out:
	/* free the irq already requested */
	free_irq(pci_irq_vector(phba->pcidev, 0), phba);

msi_fail_out:
	/* Unconfigure MSI-X capability structure */
	pci_free_irq_vectors(phba->pcidev);

vec_fail_out:
	return rc;
}

/**
 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to enable the MSI interrupt mode to device with
 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
 * enable the MSI vector. The device driver is responsible for calling the
 * request_irq() to register MSI vector with a interrupt the handler, which
 * is done in this function.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 */
static int
lpfc_sli_enable_msi(struct lpfc_hba *phba)
{
	int rc;

	rc = pci_enable_msi(phba->pcidev);
	if (!rc)
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0462 PCI enable MSI mode success.\n");
	else {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0471 PCI enable MSI mode failed (%d)\n", rc);
		return rc;
	}

	rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
			 0, LPFC_DRIVER_NAME, phba);
	if (rc) {
		pci_disable_msi(phba->pcidev);
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"0478 MSI request_irq failed (%d)\n", rc);
	}
	return rc;
}

/**
 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to enable device interrupt and associate driver's
 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
 * spec. Depends on the interrupt mode configured to the driver, the driver
 * will try to fallback from the configured interrupt mode to an interrupt
 * mode which is supported by the platform, kernel, and device in the order
 * of:
 * MSI-X -> MSI -> IRQ.
 *
 * Return codes
 *   0 - successful
 *   other values - error
 **/
static uint32_t
lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
{
	uint32_t intr_mode = LPFC_INTR_ERROR;
	int retval;

	if (cfg_mode == 2) {
		/* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
		retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
		if (!retval) {
			/* Now, try to enable MSI-X interrupt mode */
			retval = lpfc_sli_enable_msix(phba);
			if (!retval) {
				/* Indicate initialization to MSI-X mode */
				phba->intr_type = MSIX;
				intr_mode = 2;
			}
		}
	}

	/* Fallback to MSI if MSI-X initialization failed */
	if (cfg_mode >= 1 && phba->intr_type == NONE) {
		retval = lpfc_sli_enable_msi(phba);
		if (!retval) {
			/* Indicate initialization to MSI mode */
			phba->intr_type = MSI;
			intr_mode = 1;
		}
	}

	/* Fallback to INTx if both MSI-X/MSI initalization failed */
	if (phba->intr_type == NONE) {
		retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
				     IRQF_SHARED, LPFC_DRIVER_NAME, phba);
		if (!retval) {
			/* Indicate initialization to INTx mode */
			phba->intr_type = INTx;
			intr_mode = 0;
		}
	}
	return intr_mode;
}

/**
 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to disable device interrupt and disassociate the
 * driver's interrupt handler(s) from interrupt vector(s) to device with
 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
 * release the interrupt vector(s) for the message signaled interrupt.
 **/
static void
lpfc_sli_disable_intr(struct lpfc_hba *phba)
{
	int nr_irqs, i;

	if (phba->intr_type == MSIX)
		nr_irqs = LPFC_MSIX_VECTORS;
	else
		nr_irqs = 1;

	for (i = 0; i < nr_irqs; i++)
		free_irq(pci_irq_vector(phba->pcidev, i), phba);
	pci_free_irq_vectors(phba->pcidev);

	/* Reset interrupt management states */
	phba->intr_type = NONE;
	phba->sli.slistat.sli_intr = 0;
}

/**
 * lpfc_cpu_affinity_check - Check vector CPU affinity mappings
 * @phba: pointer to lpfc hba data structure.
 * @vectors: number of msix vectors allocated.
 *
 * The routine will figure out the CPU affinity assignment for every
 * MSI-X vector allocated for the HBA.  The hba_eq_hdl will be updated
 * with a pointer to the CPU mask that defines ALL the CPUs this vector
 * can be associated with. If the vector can be unquely associated with
 * a single CPU, that CPU will be recorded in hba_eq_hdl[index].cpu.
 * In addition, the CPU to IO channel mapping will be calculated
 * and the phba->sli4_hba.cpu_map array will reflect this.
 */
static void
lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors)
{
	struct lpfc_vector_map_info *cpup;
	int index = 0;
	int vec = 0;
	int cpu;
#ifdef CONFIG_X86
	struct cpuinfo_x86 *cpuinfo;
#endif

	/* Init cpu_map array */
	memset(phba->sli4_hba.cpu_map, 0xff,
	       (sizeof(struct lpfc_vector_map_info) *
	       phba->sli4_hba.num_present_cpu));

	/* Update CPU map with physical id and core id of each CPU */
	cpup = phba->sli4_hba.cpu_map;
	for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
#ifdef CONFIG_X86
		cpuinfo = &cpu_data(cpu);
		cpup->phys_id = cpuinfo->phys_proc_id;
		cpup->core_id = cpuinfo->cpu_core_id;
#else
		/* No distinction between CPUs for other platforms */
		cpup->phys_id = 0;
		cpup->core_id = 0;
#endif
		cpup->channel_id = index;  /* For now round robin */
		cpup->irq = pci_irq_vector(phba->pcidev, vec);
		vec++;
		if (vec >= vectors)
			vec = 0;
		index++;
		if (index >= phba->cfg_fcp_io_channel)
			index = 0;
		cpup++;
	}
}


/**
 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to enable the MSI-X interrupt vectors to device
 * with SLI-4 interface spec.
 *
 * Return codes
 * 0 - successful
 * other values - error
 **/
static int
lpfc_sli4_enable_msix(struct lpfc_hba *phba)
{
	int vectors, rc, index;
	char *name;

	/* Set up MSI-X multi-message vectors */
	vectors = phba->io_channel_irqs;
	if (phba->cfg_fof)
		vectors++;

	rc = pci_alloc_irq_vectors(phba->pcidev,
				(phba->nvmet_support) ? 1 : 2,
				vectors, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
	if (rc < 0) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0484 PCI enable MSI-X failed (%d)\n", rc);
		goto vec_fail_out;
	}
	vectors = rc;

	/* Assign MSI-X vectors to interrupt handlers */
	for (index = 0; index < vectors; index++) {
		name = phba->sli4_hba.hba_eq_hdl[index].handler_name;
		memset(name, 0, LPFC_SLI4_HANDLER_NAME_SZ);
		snprintf(name, LPFC_SLI4_HANDLER_NAME_SZ,
			 LPFC_DRIVER_HANDLER_NAME"%d", index);

		phba->sli4_hba.hba_eq_hdl[index].idx = index;
		phba->sli4_hba.hba_eq_hdl[index].phba = phba;
		atomic_set(&phba->sli4_hba.hba_eq_hdl[index].hba_eq_in_use, 1);
		if (phba->cfg_fof && (index == (vectors - 1)))
			rc = request_irq(pci_irq_vector(phba->pcidev, index),
				 &lpfc_sli4_fof_intr_handler, 0,
				 name,
				 &phba->sli4_hba.hba_eq_hdl[index]);
		else
			rc = request_irq(pci_irq_vector(phba->pcidev, index),
				 &lpfc_sli4_hba_intr_handler, 0,
				 name,
				 &phba->sli4_hba.hba_eq_hdl[index]);
		if (rc) {
			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
					"0486 MSI-X fast-path (%d) "
					"request_irq failed (%d)\n", index, rc);
			goto cfg_fail_out;
		}
	}

	if (phba->cfg_fof)
		vectors--;

	if (vectors != phba->io_channel_irqs) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3238 Reducing IO channels to match number of "
				"MSI-X vectors, requested %d got %d\n",
				phba->io_channel_irqs, vectors);
		if (phba->cfg_fcp_io_channel > vectors)
			phba->cfg_fcp_io_channel = vectors;
		if (phba->cfg_nvme_io_channel > vectors)
			phba->cfg_nvme_io_channel = vectors;
		if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel)
			phba->io_channel_irqs = phba->cfg_fcp_io_channel;
		else
			phba->io_channel_irqs = phba->cfg_nvme_io_channel;
	}
	lpfc_cpu_affinity_check(phba, vectors);

	return rc;

cfg_fail_out:
	/* free the irq already requested */
	for (--index; index >= 0; index--)
		free_irq(pci_irq_vector(phba->pcidev, index),
				&phba->sli4_hba.hba_eq_hdl[index]);

	/* Unconfigure MSI-X capability structure */
	pci_free_irq_vectors(phba->pcidev);

vec_fail_out:
	return rc;
}

/**
 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to enable the MSI interrupt mode to device with
 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
 * to enable the MSI vector. The device driver is responsible for calling
 * the request_irq() to register MSI vector with a interrupt the handler,
 * which is done in this function.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 **/
static int
lpfc_sli4_enable_msi(struct lpfc_hba *phba)
{
	int rc, index;

	rc = pci_enable_msi(phba->pcidev);
	if (!rc)
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0487 PCI enable MSI mode success.\n");
	else {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0488 PCI enable MSI mode failed (%d)\n", rc);
		return rc;
	}

	rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
			 0, LPFC_DRIVER_NAME, phba);
	if (rc) {
		pci_disable_msi(phba->pcidev);
		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
				"0490 MSI request_irq failed (%d)\n", rc);
		return rc;
	}

	for (index = 0; index < phba->io_channel_irqs; index++) {
		phba->sli4_hba.hba_eq_hdl[index].idx = index;
		phba->sli4_hba.hba_eq_hdl[index].phba = phba;
	}

	if (phba->cfg_fof) {
		phba->sli4_hba.hba_eq_hdl[index].idx = index;
		phba->sli4_hba.hba_eq_hdl[index].phba = phba;
	}
	return 0;
}

/**
 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to enable device interrupt and associate driver's
 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
 * interface spec. Depends on the interrupt mode configured to the driver,
 * the driver will try to fallback from the configured interrupt mode to an
 * interrupt mode which is supported by the platform, kernel, and device in
 * the order of:
 * MSI-X -> MSI -> IRQ.
 *
 * Return codes
 * 	0 - successful
 * 	other values - error
 **/
static uint32_t
lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
{
	uint32_t intr_mode = LPFC_INTR_ERROR;
	int retval, idx;

	if (cfg_mode == 2) {
		/* Preparation before conf_msi mbox cmd */
		retval = 0;
		if (!retval) {
			/* Now, try to enable MSI-X interrupt mode */
			retval = lpfc_sli4_enable_msix(phba);
			if (!retval) {
				/* Indicate initialization to MSI-X mode */
				phba->intr_type = MSIX;
				intr_mode = 2;
			}
		}
	}

	/* Fallback to MSI if MSI-X initialization failed */
	if (cfg_mode >= 1 && phba->intr_type == NONE) {
		retval = lpfc_sli4_enable_msi(phba);
		if (!retval) {
			/* Indicate initialization to MSI mode */
			phba->intr_type = MSI;
			intr_mode = 1;
		}
	}

	/* Fallback to INTx if both MSI-X/MSI initalization failed */
	if (phba->intr_type == NONE) {
		retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
				     IRQF_SHARED, LPFC_DRIVER_NAME, phba);
		if (!retval) {
			struct lpfc_hba_eq_hdl *eqhdl;

			/* Indicate initialization to INTx mode */
			phba->intr_type = INTx;
			intr_mode = 0;

			for (idx = 0; idx < phba->io_channel_irqs; idx++) {
				eqhdl = &phba->sli4_hba.hba_eq_hdl[idx];
				eqhdl->idx = idx;
				eqhdl->phba = phba;
				atomic_set(&eqhdl->hba_eq_in_use, 1);
			}
			if (phba->cfg_fof) {
				eqhdl = &phba->sli4_hba.hba_eq_hdl[idx];
				eqhdl->idx = idx;
				eqhdl->phba = phba;
				atomic_set(&eqhdl->hba_eq_in_use, 1);
			}
		}
	}
	return intr_mode;
}

/**
 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to disable device interrupt and disassociate
 * the driver's interrupt handler(s) from interrupt vector(s) to device
 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
 * will release the interrupt vector(s) for the message signaled interrupt.
 **/
static void
lpfc_sli4_disable_intr(struct lpfc_hba *phba)
{
	/* Disable the currently initialized interrupt mode */
	if (phba->intr_type == MSIX) {
		int index;

		/* Free up MSI-X multi-message vectors */
		for (index = 0; index < phba->io_channel_irqs; index++)
			free_irq(pci_irq_vector(phba->pcidev, index),
					&phba->sli4_hba.hba_eq_hdl[index]);

		if (phba->cfg_fof)
			free_irq(pci_irq_vector(phba->pcidev, index),
					&phba->sli4_hba.hba_eq_hdl[index]);
	} else {
		free_irq(phba->pcidev->irq, phba);
	}

	pci_free_irq_vectors(phba->pcidev);

	/* Reset interrupt management states */
	phba->intr_type = NONE;
	phba->sli.slistat.sli_intr = 0;
}

/**
 * lpfc_unset_hba - Unset SLI3 hba device initialization
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to unset the HBA device initialization steps to
 * a device with SLI-3 interface spec.
 **/
static void
lpfc_unset_hba(struct lpfc_hba *phba)
{
	struct lpfc_vport *vport = phba->pport;
	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);

	spin_lock_irq(shost->host_lock);
	vport->load_flag |= FC_UNLOADING;
	spin_unlock_irq(shost->host_lock);

	kfree(phba->vpi_bmask);
	kfree(phba->vpi_ids);

	lpfc_stop_hba_timers(phba);

	phba->pport->work_port_events = 0;

	lpfc_sli_hba_down(phba);

	lpfc_sli_brdrestart(phba);

	lpfc_sli_disable_intr(phba);

	return;
}

/**
 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
 * @phba: Pointer to HBA context object.
 *
 * This function is called in the SLI4 code path to wait for completion
 * of device's XRIs exchange busy. It will check the XRI exchange busy
 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
 * that, it will check the XRI exchange busy on outstanding FCP and ELS
 * I/Os every 30 seconds, log error message, and wait forever. Only when
 * all XRI exchange busy complete, the driver unload shall proceed with
 * invoking the function reset ioctl mailbox command to the CNA and the
 * the rest of the driver unload resource release.
 **/
static void
lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
{
	int wait_time = 0;
	int nvme_xri_cmpl = 1;
	int nvmet_xri_cmpl = 1;
	int fcp_xri_cmpl = 1;
	int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);

	/* Driver just aborted IOs during the hba_unset process.  Pause
	 * here to give the HBA time to complete the IO and get entries
	 * into the abts lists.
	 */
	msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1 * 5);

	/* Wait for NVME pending IO to flush back to transport. */
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
		lpfc_nvme_wait_for_io_drain(phba);

	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)
		fcp_xri_cmpl =
			list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
		nvme_xri_cmpl =
			list_empty(&phba->sli4_hba.lpfc_abts_nvme_buf_list);
		nvmet_xri_cmpl =
			list_empty(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
	}

	while (!fcp_xri_cmpl || !els_xri_cmpl || !nvme_xri_cmpl ||
	       !nvmet_xri_cmpl) {
		if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
			if (!nvmet_xri_cmpl)
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6424 NVMET XRI exchange busy "
						"wait time: %d seconds.\n",
						wait_time/1000);
			if (!nvme_xri_cmpl)
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"6100 NVME XRI exchange busy "
						"wait time: %d seconds.\n",
						wait_time/1000);
			if (!fcp_xri_cmpl)
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"2877 FCP XRI exchange busy "
						"wait time: %d seconds.\n",
						wait_time/1000);
			if (!els_xri_cmpl)
				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
						"2878 ELS XRI exchange busy "
						"wait time: %d seconds.\n",
						wait_time/1000);
			msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
			wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
		} else {
			msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
			wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
		}
		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
			nvme_xri_cmpl = list_empty(
				&phba->sli4_hba.lpfc_abts_nvme_buf_list);
			nvmet_xri_cmpl = list_empty(
				&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
		}

		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)
			fcp_xri_cmpl = list_empty(
				&phba->sli4_hba.lpfc_abts_scsi_buf_list);

		els_xri_cmpl =
			list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);

	}
}

/**
 * lpfc_sli4_hba_unset - Unset the fcoe hba
 * @phba: Pointer to HBA context object.
 *
 * This function is called in the SLI4 code path to reset the HBA's FCoE
 * function. The caller is not required to hold any lock. This routine
 * issues PCI function reset mailbox command to reset the FCoE function.
 * At the end of the function, it calls lpfc_hba_down_post function to
 * free any pending commands.
 **/
static void
lpfc_sli4_hba_unset(struct lpfc_hba *phba)
{
	int wait_cnt = 0;
	LPFC_MBOXQ_t *mboxq;
	struct pci_dev *pdev = phba->pcidev;

	lpfc_stop_hba_timers(phba);
	phba->sli4_hba.intr_enable = 0;

	/*
	 * Gracefully wait out the potential current outstanding asynchronous
	 * mailbox command.
	 */

	/* First, block any pending async mailbox command from posted */
	spin_lock_irq(&phba->hbalock);
	phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
	spin_unlock_irq(&phba->hbalock);
	/* Now, trying to wait it out if we can */
	while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
		msleep(10);
		if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
			break;
	}
	/* Forcefully release the outstanding mailbox command if timed out */
	if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
		spin_lock_irq(&phba->hbalock);
		mboxq = phba->sli.mbox_active;
		mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
		__lpfc_mbox_cmpl_put(phba, mboxq);
		phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
		phba->sli.mbox_active = NULL;
		spin_unlock_irq(&phba->hbalock);
	}

	/* Abort all iocbs associated with the hba */
	lpfc_sli_hba_iocb_abort(phba);

	/* Wait for completion of device XRI exchange busy */
	lpfc_sli4_xri_exchange_busy_wait(phba);

	/* Disable PCI subsystem interrupt */
	lpfc_sli4_disable_intr(phba);

	/* Disable SR-IOV if enabled */
	if (phba->cfg_sriov_nr_virtfn)
		pci_disable_sriov(pdev);

	/* Stop kthread signal shall trigger work_done one more time */
	kthread_stop(phba->worker_thread);

	/* Disable FW logging to host memory */
	lpfc_ras_stop_fwlog(phba);

	/* Unset the queues shared with the hardware then release all
	 * allocated resources.
	 */
	lpfc_sli4_queue_unset(phba);
	lpfc_sli4_queue_destroy(phba);

	/* Reset SLI4 HBA FCoE function */
	lpfc_pci_function_reset(phba);

	/* Free RAS DMA memory */
	if (phba->ras_fwlog.ras_enabled)
		lpfc_sli4_ras_dma_free(phba);

	/* Stop the SLI4 device port */
	phba->pport->work_port_events = 0;
}

 /**
 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
 * @phba: Pointer to HBA context object.
 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
 *
 * This function is called in the SLI4 code path to read the port's
 * sli4 capabilities.
 *
 * This function may be be called from any context that can block-wait
 * for the completion.  The expectation is that this routine is called
 * typically from probe_one or from the online routine.
 **/
int
lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
	int rc;
	struct lpfc_mqe *mqe;
	struct lpfc_pc_sli4_params *sli4_params;
	uint32_t mbox_tmo;

	rc = 0;
	mqe = &mboxq->u.mqe;

	/* Read the port's SLI4 Parameters port capabilities */
	lpfc_pc_sli4_params(mboxq);
	if (!phba->sli4_hba.intr_enable)
		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
	else {
		mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
		rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
	}

	if (unlikely(rc))
		return 1;

	sli4_params = &phba->sli4_hba.pc_sli4_params;
	sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
	sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
	sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
	sli4_params->featurelevel_1 = bf_get(featurelevel_1,
					     &mqe->un.sli4_params);
	sli4_params->featurelevel_2 = bf_get(featurelevel_2,
					     &mqe->un.sli4_params);
	sli4_params->proto_types = mqe->un.sli4_params.word3;
	sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
	sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
	sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
	sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
	sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
	sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
	sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
	sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
	sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
	sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
	sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
	sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
	sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
	sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
	sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
	sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
	sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
	sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
	sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
	sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);

	/* Make sure that sge_supp_len can be handled by the driver */
	if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
		sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;

	return rc;
}

/**
 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
 * @phba: Pointer to HBA context object.
 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
 *
 * This function is called in the SLI4 code path to read the port's
 * sli4 capabilities.
 *
 * This function may be be called from any context that can block-wait
 * for the completion.  The expectation is that this routine is called
 * typically from probe_one or from the online routine.
 **/
int
lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
	int rc;
	struct lpfc_mqe *mqe = &mboxq->u.mqe;
	struct lpfc_pc_sli4_params *sli4_params;
	uint32_t mbox_tmo;
	int length;
	bool exp_wqcq_pages = true;
	struct lpfc_sli4_parameters *mbx_sli4_parameters;

	/*
	 * By default, the driver assumes the SLI4 port requires RPI
	 * header postings.  The SLI4_PARAM response will correct this
	 * assumption.
	 */
	phba->sli4_hba.rpi_hdrs_in_use = 1;

	/* Read the port's SLI4 Config Parameters */
	length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
		  sizeof(struct lpfc_sli4_cfg_mhdr));
	lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
			 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
			 length, LPFC_SLI4_MBX_EMBED);
	if (!phba->sli4_hba.intr_enable)
		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
	else {
		mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
		rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
	}
	if (unlikely(rc))
		return rc;
	sli4_params = &phba->sli4_hba.pc_sli4_params;
	mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
	sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
	sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
	sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
	sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
					     mbx_sli4_parameters);
	sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
					     mbx_sli4_parameters);
	if (bf_get(cfg_phwq, mbx_sli4_parameters))
		phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
	else
		phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
	sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
	sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
	sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters);
	sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
	sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
	sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
	sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
	sli4_params->eqav = bf_get(cfg_eqav, mbx_sli4_parameters);
	sli4_params->cqav = bf_get(cfg_cqav, mbx_sli4_parameters);
	sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
	sli4_params->bv1s = bf_get(cfg_bv1s, mbx_sli4_parameters);
	sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
					    mbx_sli4_parameters);
	sli4_params->wqpcnt = bf_get(cfg_wqpcnt, mbx_sli4_parameters);
	sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
					   mbx_sli4_parameters);
	phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
	phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
	phba->nvme_support = (bf_get(cfg_nvme, mbx_sli4_parameters) &&
			      bf_get(cfg_xib, mbx_sli4_parameters));

	if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) ||
	    !phba->nvme_support) {
		phba->nvme_support = 0;
		phba->nvmet_support = 0;
		phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_OFF;
		phba->cfg_nvme_io_channel = 0;
		phba->io_channel_irqs = phba->cfg_fcp_io_channel;
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_NVME,
				"6101 Disabling NVME support: "
				"Not supported by firmware: %d %d\n",
				bf_get(cfg_nvme, mbx_sli4_parameters),
				bf_get(cfg_xib, mbx_sli4_parameters));

		/* If firmware doesn't support NVME, just use SCSI support */
		if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
			return -ENODEV;
		phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP;
	}

	/* Only embed PBDE for if_type 6, PBDE support requires xib be set */
	if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
	    LPFC_SLI_INTF_IF_TYPE_6) || (!bf_get(cfg_xib, mbx_sli4_parameters)))
		phba->cfg_enable_pbde = 0;

	/*
	 * To support Suppress Response feature we must satisfy 3 conditions.
	 * lpfc_suppress_rsp module parameter must be set (default).
	 * In SLI4-Parameters Descriptor:
	 * Extended Inline Buffers (XIB) must be supported.
	 * Suppress Response IU Not Supported (SRIUNS) must NOT be supported
	 * (double negative).
	 */
	if (phba->cfg_suppress_rsp && bf_get(cfg_xib, mbx_sli4_parameters) &&
	    !(bf_get(cfg_nosr, mbx_sli4_parameters)))
		phba->sli.sli_flag |= LPFC_SLI_SUPPRESS_RSP;
	else
		phba->cfg_suppress_rsp = 0;

	if (bf_get(cfg_eqdr, mbx_sli4_parameters))
		phba->sli.sli_flag |= LPFC_SLI_USE_EQDR;

	/* Make sure that sge_supp_len can be handled by the driver */
	if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
		sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;

	/*
	 * Check whether the adapter supports an embedded copy of the
	 * FCP CMD IU within the WQE for FCP_Ixxx commands. In order
	 * to use this option, 128-byte WQEs must be used.
	 */
	if (bf_get(cfg_ext_embed_cb, mbx_sli4_parameters))
		phba->fcp_embed_io = 1;
	else
		phba->fcp_embed_io = 0;

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_NVME,
			"6422 XIB %d PBDE %d: FCP %d NVME %d %d %d\n",
			bf_get(cfg_xib, mbx_sli4_parameters),
			phba->cfg_enable_pbde,
			phba->fcp_embed_io, phba->nvme_support,
			phba->cfg_nvme_embed_cmd, phba->cfg_suppress_rsp);

	if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
	    LPFC_SLI_INTF_IF_TYPE_2) &&
	    (bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf) ==
		 LPFC_SLI_INTF_FAMILY_LNCR_A0))
		exp_wqcq_pages = false;

	if ((bf_get(cfg_cqpsize, mbx_sli4_parameters) & LPFC_CQ_16K_PAGE_SZ) &&
	    (bf_get(cfg_wqpsize, mbx_sli4_parameters) & LPFC_WQ_16K_PAGE_SZ) &&
	    exp_wqcq_pages &&
	    (sli4_params->wqsize & LPFC_WQ_SZ128_SUPPORT))
		phba->enab_exp_wqcq_pages = 1;
	else
		phba->enab_exp_wqcq_pages = 0;
	/*
	 * Check if the SLI port supports MDS Diagnostics
	 */
	if (bf_get(cfg_mds_diags, mbx_sli4_parameters))
		phba->mds_diags_support = 1;
	else
		phba->mds_diags_support = 0;

	return 0;
}

/**
 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
 * @pdev: pointer to PCI device
 * @pid: pointer to PCI device identifier
 *
 * This routine is to be called to attach a device with SLI-3 interface spec
 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
 * information of the device and driver to see if the driver state that it can
 * support this kind of device. If the match is successful, the driver core
 * invokes this routine. If this routine determines it can claim the HBA, it
 * does all the initialization that it needs to do to handle the HBA properly.
 *
 * Return code
 * 	0 - driver can claim the device
 * 	negative value - driver can not claim the device
 **/
static int
lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
{
	struct lpfc_hba   *phba;
	struct lpfc_vport *vport = NULL;
	struct Scsi_Host  *shost = NULL;
	int error;
	uint32_t cfg_mode, intr_mode;

	/* Allocate memory for HBA structure */
	phba = lpfc_hba_alloc(pdev);
	if (!phba)
		return -ENOMEM;

	/* Perform generic PCI device enabling operation */
	error = lpfc_enable_pci_dev(phba);
	if (error)
		goto out_free_phba;

	/* Set up SLI API function jump table for PCI-device group-0 HBAs */
	error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
	if (error)
		goto out_disable_pci_dev;

	/* Set up SLI-3 specific device PCI memory space */
	error = lpfc_sli_pci_mem_setup(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1402 Failed to set up pci memory space.\n");
		goto out_disable_pci_dev;
	}

	/* Set up SLI-3 specific device driver resources */
	error = lpfc_sli_driver_resource_setup(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1404 Failed to set up driver resource.\n");
		goto out_unset_pci_mem_s3;
	}

	/* Initialize and populate the iocb list per host */

	error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1405 Failed to initialize iocb list.\n");
		goto out_unset_driver_resource_s3;
	}

	/* Set up common device driver resources */
	error = lpfc_setup_driver_resource_phase2(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1406 Failed to set up driver resource.\n");
		goto out_free_iocb_list;
	}

	/* Get the default values for Model Name and Description */
	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);

	/* Create SCSI host to the physical port */
	error = lpfc_create_shost(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1407 Failed to create scsi host.\n");
		goto out_unset_driver_resource;
	}

	/* Configure sysfs attributes */
	vport = phba->pport;
	error = lpfc_alloc_sysfs_attr(vport);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1476 Failed to allocate sysfs attr\n");
		goto out_destroy_shost;
	}

	shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
	/* Now, trying to enable interrupt and bring up the device */
	cfg_mode = phba->cfg_use_msi;
	while (true) {
		/* Put device to a known state before enabling interrupt */
		lpfc_stop_port(phba);
		/* Configure and enable interrupt */
		intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
		if (intr_mode == LPFC_INTR_ERROR) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0431 Failed to enable interrupt.\n");
			error = -ENODEV;
			goto out_free_sysfs_attr;
		}
		/* SLI-3 HBA setup */
		if (lpfc_sli_hba_setup(phba)) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"1477 Failed to set up hba\n");
			error = -ENODEV;
			goto out_remove_device;
		}

		/* Wait 50ms for the interrupts of previous mailbox commands */
		msleep(50);
		/* Check active interrupts on message signaled interrupts */
		if (intr_mode == 0 ||
		    phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
			/* Log the current active interrupt mode */
			phba->intr_mode = intr_mode;
			lpfc_log_intr_mode(phba, intr_mode);
			break;
		} else {
			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
					"0447 Configure interrupt mode (%d) "
					"failed active interrupt test.\n",
					intr_mode);
			/* Disable the current interrupt mode */
			lpfc_sli_disable_intr(phba);
			/* Try next level of interrupt mode */
			cfg_mode = --intr_mode;
		}
	}

	/* Perform post initialization setup */
	lpfc_post_init_setup(phba);

	/* Check if there are static vports to be created. */
	lpfc_create_static_vport(phba);

	return 0;

out_remove_device:
	lpfc_unset_hba(phba);
out_free_sysfs_attr:
	lpfc_free_sysfs_attr(vport);
out_destroy_shost:
	lpfc_destroy_shost(phba);
out_unset_driver_resource:
	lpfc_unset_driver_resource_phase2(phba);
out_free_iocb_list:
	lpfc_free_iocb_list(phba);
out_unset_driver_resource_s3:
	lpfc_sli_driver_resource_unset(phba);
out_unset_pci_mem_s3:
	lpfc_sli_pci_mem_unset(phba);
out_disable_pci_dev:
	lpfc_disable_pci_dev(phba);
	if (shost)
		scsi_host_put(shost);
out_free_phba:
	lpfc_hba_free(phba);
	return error;
}

/**
 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
 * @pdev: pointer to PCI device
 *
 * This routine is to be called to disattach a device with SLI-3 interface
 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
 * removed from PCI bus, it performs all the necessary cleanup for the HBA
 * device to be removed from the PCI subsystem properly.
 **/
static void
lpfc_pci_remove_one_s3(struct pci_dev *pdev)
{
	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_vport **vports;
	struct lpfc_hba   *phba = vport->phba;
	int i;

	spin_lock_irq(&phba->hbalock);
	vport->load_flag |= FC_UNLOADING;
	spin_unlock_irq(&phba->hbalock);

	lpfc_free_sysfs_attr(vport);

	/* Release all the vports against this physical port */
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
			if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
				continue;
			fc_vport_terminate(vports[i]->fc_vport);
		}
	lpfc_destroy_vport_work_array(phba, vports);

	/* Remove FC host and then SCSI host with the physical port */
	fc_remove_host(shost);
	scsi_remove_host(shost);

	lpfc_cleanup(vport);

	/*
	 * Bring down the SLI Layer. This step disable all interrupts,
	 * clears the rings, discards all mailbox commands, and resets
	 * the HBA.
	 */

	/* HBA interrupt will be disabled after this call */
	lpfc_sli_hba_down(phba);
	/* Stop kthread signal shall trigger work_done one more time */
	kthread_stop(phba->worker_thread);
	/* Final cleanup of txcmplq and reset the HBA */
	lpfc_sli_brdrestart(phba);

	kfree(phba->vpi_bmask);
	kfree(phba->vpi_ids);

	lpfc_stop_hba_timers(phba);
	spin_lock_irq(&phba->port_list_lock);
	list_del_init(&vport->listentry);
	spin_unlock_irq(&phba->port_list_lock);

	lpfc_debugfs_terminate(vport);

	/* Disable SR-IOV if enabled */
	if (phba->cfg_sriov_nr_virtfn)
		pci_disable_sriov(pdev);

	/* Disable interrupt */
	lpfc_sli_disable_intr(phba);

	scsi_host_put(shost);

	/*
	 * Call scsi_free before mem_free since scsi bufs are released to their
	 * corresponding pools here.
	 */
	lpfc_scsi_free(phba);
	lpfc_mem_free_all(phba);

	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
			  phba->hbqslimp.virt, phba->hbqslimp.phys);

	/* Free resources associated with SLI2 interface */
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
			  phba->slim2p.virt, phba->slim2p.phys);

	/* unmap adapter SLIM and Control Registers */
	iounmap(phba->ctrl_regs_memmap_p);
	iounmap(phba->slim_memmap_p);

	lpfc_hba_free(phba);

	pci_release_mem_regions(pdev);
	pci_disable_device(pdev);
}

/**
 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
 * @pdev: pointer to PCI device
 * @msg: power management message
 *
 * This routine is to be called from the kernel's PCI subsystem to support
 * system Power Management (PM) to device with SLI-3 interface spec. When
 * PM invokes this method, it quiesces the device by stopping the driver's
 * worker thread for the device, turning off device's interrupt and DMA,
 * and bring the device offline. Note that as the driver implements the
 * minimum PM requirements to a power-aware driver's PM support for the
 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
 * to the suspend() method call will be treated as SUSPEND and the driver will
 * fully reinitialize its device during resume() method call, the driver will
 * set device to PCI_D3hot state in PCI config space instead of setting it
 * according to the @msg provided by the PM.
 *
 * Return code
 * 	0 - driver suspended the device
 * 	Error otherwise
 **/
static int
lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"0473 PCI device Power Management suspend.\n");

	/* Bring down the device */
	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
	lpfc_offline(phba);
	kthread_stop(phba->worker_thread);

	/* Disable interrupt from device */
	lpfc_sli_disable_intr(phba);

	/* Save device state to PCI config space */
	pci_save_state(pdev);
	pci_set_power_state(pdev, PCI_D3hot);

	return 0;
}

/**
 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
 * @pdev: pointer to PCI device
 *
 * This routine is to be called from the kernel's PCI subsystem to support
 * system Power Management (PM) to device with SLI-3 interface spec. When PM
 * invokes this method, it restores the device's PCI config space state and
 * fully reinitializes the device and brings it online. Note that as the
 * driver implements the minimum PM requirements to a power-aware driver's
 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
 * driver will fully reinitialize its device during resume() method call,
 * the device will be set to PCI_D0 directly in PCI config space before
 * restoring the state.
 *
 * Return code
 * 	0 - driver suspended the device
 * 	Error otherwise
 **/
static int
lpfc_pci_resume_one_s3(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	uint32_t intr_mode;
	int error;

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"0452 PCI device Power Management resume.\n");

	/* Restore device state from PCI config space */
	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);

	/*
	 * As the new kernel behavior of pci_restore_state() API call clears
	 * device saved_state flag, need to save the restored state again.
	 */
	pci_save_state(pdev);

	if (pdev->is_busmaster)
		pci_set_master(pdev);

	/* Startup the kernel thread for this host adapter. */
	phba->worker_thread = kthread_run(lpfc_do_work, phba,
					"lpfc_worker_%d", phba->brd_no);
	if (IS_ERR(phba->worker_thread)) {
		error = PTR_ERR(phba->worker_thread);
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0434 PM resume failed to start worker "
				"thread: error=x%x.\n", error);
		return error;
	}

	/* Configure and enable interrupt */
	intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
	if (intr_mode == LPFC_INTR_ERROR) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0430 PM resume Failed to enable interrupt\n");
		return -EIO;
	} else
		phba->intr_mode = intr_mode;

	/* Restart HBA and bring it online */
	lpfc_sli_brdrestart(phba);
	lpfc_online(phba);

	/* Log the current active interrupt mode */
	lpfc_log_intr_mode(phba, phba->intr_mode);

	return 0;
}

/**
 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to prepare the SLI3 device for PCI slot recover. It
 * aborts all the outstanding SCSI I/Os to the pci device.
 **/
static void
lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
{
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2723 PCI channel I/O abort preparing for recovery\n");

	/*
	 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
	 * and let the SCSI mid-layer to retry them to recover.
	 */
	lpfc_sli_abort_fcp_rings(phba);
}

/**
 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to prepare the SLI3 device for PCI slot reset. It
 * disables the device interrupt and pci device, and aborts the internal FCP
 * pending I/Os.
 **/
static void
lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
{
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2710 PCI channel disable preparing for reset\n");

	/* Block any management I/Os to the device */
	lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);

	/* Block all SCSI devices' I/Os on the host */
	lpfc_scsi_dev_block(phba);

	/* Flush all driver's outstanding SCSI I/Os as we are to reset */
	lpfc_sli_flush_fcp_rings(phba);

	/* stop all timers */
	lpfc_stop_hba_timers(phba);

	/* Disable interrupt and pci device */
	lpfc_sli_disable_intr(phba);
	pci_disable_device(phba->pcidev);
}

/**
 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to prepare the SLI3 device for PCI slot permanently
 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
 * pending I/Os.
 **/
static void
lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
{
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2711 PCI channel permanent disable for failure\n");
	/* Block all SCSI devices' I/Os on the host */
	lpfc_scsi_dev_block(phba);

	/* stop all timers */
	lpfc_stop_hba_timers(phba);

	/* Clean up all driver's outstanding SCSI I/Os */
	lpfc_sli_flush_fcp_rings(phba);
}

/**
 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
 * @pdev: pointer to PCI device.
 * @state: the current PCI connection state.
 *
 * This routine is called from the PCI subsystem for I/O error handling to
 * device with SLI-3 interface spec. This function is called by the PCI
 * subsystem after a PCI bus error affecting this device has been detected.
 * When this function is invoked, it will need to stop all the I/Os and
 * interrupt(s) to the device. Once that is done, it will return
 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
 * as desired.
 *
 * Return codes
 * 	PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
 * 	PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
 * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
 **/
static pci_ers_result_t
lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	switch (state) {
	case pci_channel_io_normal:
		/* Non-fatal error, prepare for recovery */
		lpfc_sli_prep_dev_for_recover(phba);
		return PCI_ERS_RESULT_CAN_RECOVER;
	case pci_channel_io_frozen:
		/* Fatal error, prepare for slot reset */
		lpfc_sli_prep_dev_for_reset(phba);
		return PCI_ERS_RESULT_NEED_RESET;
	case pci_channel_io_perm_failure:
		/* Permanent failure, prepare for device down */
		lpfc_sli_prep_dev_for_perm_failure(phba);
		return PCI_ERS_RESULT_DISCONNECT;
	default:
		/* Unknown state, prepare and request slot reset */
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0472 Unknown PCI error state: x%x\n", state);
		lpfc_sli_prep_dev_for_reset(phba);
		return PCI_ERS_RESULT_NEED_RESET;
	}
}

/**
 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
 * @pdev: pointer to PCI device.
 *
 * This routine is called from the PCI subsystem for error handling to
 * device with SLI-3 interface spec. This is called after PCI bus has been
 * reset to restart the PCI card from scratch, as if from a cold-boot.
 * During the PCI subsystem error recovery, after driver returns
 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
 * recovery and then call this routine before calling the .resume method
 * to recover the device. This function will initialize the HBA device,
 * enable the interrupt, but it will just put the HBA to offline state
 * without passing any I/O traffic.
 *
 * Return codes
 * 	PCI_ERS_RESULT_RECOVERED - the device has been recovered
 * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
 */
static pci_ers_result_t
lpfc_io_slot_reset_s3(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	struct lpfc_sli *psli = &phba->sli;
	uint32_t intr_mode;

	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
	if (pci_enable_device_mem(pdev)) {
		printk(KERN_ERR "lpfc: Cannot re-enable "
			"PCI device after reset.\n");
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_restore_state(pdev);

	/*
	 * As the new kernel behavior of pci_restore_state() API call clears
	 * device saved_state flag, need to save the restored state again.
	 */
	pci_save_state(pdev);

	if (pdev->is_busmaster)
		pci_set_master(pdev);

	spin_lock_irq(&phba->hbalock);
	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
	spin_unlock_irq(&phba->hbalock);

	/* Configure and enable interrupt */
	intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
	if (intr_mode == LPFC_INTR_ERROR) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0427 Cannot re-enable interrupt after "
				"slot reset.\n");
		return PCI_ERS_RESULT_DISCONNECT;
	} else
		phba->intr_mode = intr_mode;

	/* Take device offline, it will perform cleanup */
	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
	lpfc_offline(phba);
	lpfc_sli_brdrestart(phba);

	/* Log the current active interrupt mode */
	lpfc_log_intr_mode(phba, phba->intr_mode);

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
 * @pdev: pointer to PCI device
 *
 * This routine is called from the PCI subsystem for error handling to device
 * with SLI-3 interface spec. It is called when kernel error recovery tells
 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
 * error recovery. After this call, traffic can start to flow from this device
 * again.
 */
static void
lpfc_io_resume_s3(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	/* Bring device online, it will be no-op for non-fatal error resume */
	lpfc_online(phba);
}

/**
 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
 * @phba: pointer to lpfc hba data structure.
 *
 * returns the number of ELS/CT IOCBs to reserve
 **/
int
lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
{
	int max_xri = phba->sli4_hba.max_cfg_param.max_xri;

	if (phba->sli_rev == LPFC_SLI_REV4) {
		if (max_xri <= 100)
			return 10;
		else if (max_xri <= 256)
			return 25;
		else if (max_xri <= 512)
			return 50;
		else if (max_xri <= 1024)
			return 100;
		else if (max_xri <= 1536)
			return 150;
		else if (max_xri <= 2048)
			return 200;
		else
			return 250;
	} else
		return 0;
}

/**
 * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve
 * @phba: pointer to lpfc hba data structure.
 *
 * returns the number of ELS/CT + NVMET IOCBs to reserve
 **/
int
lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba)
{
	int max_xri = lpfc_sli4_get_els_iocb_cnt(phba);

	if (phba->nvmet_support)
		max_xri += LPFC_NVMET_BUF_POST;
	return max_xri;
}


static void
lpfc_log_write_firmware_error(struct lpfc_hba *phba, uint32_t offset,
	uint32_t magic_number, uint32_t ftype, uint32_t fid, uint32_t fsize,
	const struct firmware *fw)
{
	if ((offset == ADD_STATUS_FW_NOT_SUPPORTED) ||
	    (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC &&
	     magic_number != MAGIC_NUMER_G6) ||
	    (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC &&
	     magic_number != MAGIC_NUMER_G7))
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"3030 This firmware version is not supported on "
			"this HBA model. Device:%x Magic:%x Type:%x "
			"ID:%x Size %d %zd\n",
			phba->pcidev->device, magic_number, ftype, fid,
			fsize, fw->size);
	else
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"3022 FW Download failed. Device:%x Magic:%x Type:%x "
			"ID:%x Size %d %zd\n",
			phba->pcidev->device, magic_number, ftype, fid,
			fsize, fw->size);
}


/**
 * lpfc_write_firmware - attempt to write a firmware image to the port
 * @fw: pointer to firmware image returned from request_firmware.
 * @phba: pointer to lpfc hba data structure.
 *
 **/
static void
lpfc_write_firmware(const struct firmware *fw, void *context)
{
	struct lpfc_hba *phba = (struct lpfc_hba *)context;
	char fwrev[FW_REV_STR_SIZE];
	struct lpfc_grp_hdr *image;
	struct list_head dma_buffer_list;
	int i, rc = 0;
	struct lpfc_dmabuf *dmabuf, *next;
	uint32_t offset = 0, temp_offset = 0;
	uint32_t magic_number, ftype, fid, fsize;

	/* It can be null in no-wait mode, sanity check */
	if (!fw) {
		rc = -ENXIO;
		goto out;
	}
	image = (struct lpfc_grp_hdr *)fw->data;

	magic_number = be32_to_cpu(image->magic_number);
	ftype = bf_get_be32(lpfc_grp_hdr_file_type, image);
	fid = bf_get_be32(lpfc_grp_hdr_id, image);
	fsize = be32_to_cpu(image->size);

	INIT_LIST_HEAD(&dma_buffer_list);
	lpfc_decode_firmware_rev(phba, fwrev, 1);
	if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3023 Updating Firmware, Current Version:%s "
				"New Version:%s\n",
				fwrev, image->revision);
		for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
			dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
					 GFP_KERNEL);
			if (!dmabuf) {
				rc = -ENOMEM;
				goto release_out;
			}
			dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
							  SLI4_PAGE_SIZE,
							  &dmabuf->phys,
							  GFP_KERNEL);
			if (!dmabuf->virt) {
				kfree(dmabuf);
				rc = -ENOMEM;
				goto release_out;
			}
			list_add_tail(&dmabuf->list, &dma_buffer_list);
		}
		while (offset < fw->size) {
			temp_offset = offset;
			list_for_each_entry(dmabuf, &dma_buffer_list, list) {
				if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
					memcpy(dmabuf->virt,
					       fw->data + temp_offset,
					       fw->size - temp_offset);
					temp_offset = fw->size;
					break;
				}
				memcpy(dmabuf->virt, fw->data + temp_offset,
				       SLI4_PAGE_SIZE);
				temp_offset += SLI4_PAGE_SIZE;
			}
			rc = lpfc_wr_object(phba, &dma_buffer_list,
				    (fw->size - offset), &offset);
			if (rc) {
				lpfc_log_write_firmware_error(phba, offset,
					magic_number, ftype, fid, fsize, fw);
				goto release_out;
			}
		}
		rc = offset;
	} else
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"3029 Skipped Firmware update, Current "
				"Version:%s New Version:%s\n",
				fwrev, image->revision);

release_out:
	list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
		list_del(&dmabuf->list);
		dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
				  dmabuf->virt, dmabuf->phys);
		kfree(dmabuf);
	}
	release_firmware(fw);
out:
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"3024 Firmware update done: %d.\n", rc);
	return;
}

/**
 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to perform Linux generic firmware upgrade on device
 * that supports such feature.
 **/
int
lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
{
	uint8_t file_name[ELX_MODEL_NAME_SIZE];
	int ret;
	const struct firmware *fw;

	/* Only supported on SLI4 interface type 2 for now */
	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
	    LPFC_SLI_INTF_IF_TYPE_2)
		return -EPERM;

	snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);

	if (fw_upgrade == INT_FW_UPGRADE) {
		ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
					file_name, &phba->pcidev->dev,
					GFP_KERNEL, (void *)phba,
					lpfc_write_firmware);
	} else if (fw_upgrade == RUN_FW_UPGRADE) {
		ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
		if (!ret)
			lpfc_write_firmware(fw, (void *)phba);
	} else {
		ret = -EINVAL;
	}

	return ret;
}

/**
 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
 * @pdev: pointer to PCI device
 * @pid: pointer to PCI device identifier
 *
 * This routine is called from the kernel's PCI subsystem to device with
 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
 * information of the device and driver to see if the driver state that it
 * can support this kind of device. If the match is successful, the driver
 * core invokes this routine. If this routine determines it can claim the HBA,
 * it does all the initialization that it needs to do to handle the HBA
 * properly.
 *
 * Return code
 * 	0 - driver can claim the device
 * 	negative value - driver can not claim the device
 **/
static int
lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
{
	struct lpfc_hba   *phba;
	struct lpfc_vport *vport = NULL;
	struct Scsi_Host  *shost = NULL;
	int error;
	uint32_t cfg_mode, intr_mode;

	/* Allocate memory for HBA structure */
	phba = lpfc_hba_alloc(pdev);
	if (!phba)
		return -ENOMEM;

	/* Perform generic PCI device enabling operation */
	error = lpfc_enable_pci_dev(phba);
	if (error)
		goto out_free_phba;

	/* Set up SLI API function jump table for PCI-device group-1 HBAs */
	error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
	if (error)
		goto out_disable_pci_dev;

	/* Set up SLI-4 specific device PCI memory space */
	error = lpfc_sli4_pci_mem_setup(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1410 Failed to set up pci memory space.\n");
		goto out_disable_pci_dev;
	}

	/* Set up SLI-4 Specific device driver resources */
	error = lpfc_sli4_driver_resource_setup(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1412 Failed to set up driver resource.\n");
		goto out_unset_pci_mem_s4;
	}

	INIT_LIST_HEAD(&phba->active_rrq_list);
	INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);

	/* Set up common device driver resources */
	error = lpfc_setup_driver_resource_phase2(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1414 Failed to set up driver resource.\n");
		goto out_unset_driver_resource_s4;
	}

	/* Get the default values for Model Name and Description */
	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);

	/* Create SCSI host to the physical port */
	error = lpfc_create_shost(phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1415 Failed to create scsi host.\n");
		goto out_unset_driver_resource;
	}

	/* Configure sysfs attributes */
	vport = phba->pport;
	error = lpfc_alloc_sysfs_attr(vport);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1416 Failed to allocate sysfs attr\n");
		goto out_destroy_shost;
	}

	shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
	/* Now, trying to enable interrupt and bring up the device */
	cfg_mode = phba->cfg_use_msi;

	/* Put device to a known state before enabling interrupt */
	lpfc_stop_port(phba);

	/* Configure and enable interrupt */
	intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
	if (intr_mode == LPFC_INTR_ERROR) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0426 Failed to enable interrupt.\n");
		error = -ENODEV;
		goto out_free_sysfs_attr;
	}
	/* Default to single EQ for non-MSI-X */
	if (phba->intr_type != MSIX) {
		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)
			phba->cfg_fcp_io_channel = 1;
		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
			phba->cfg_nvme_io_channel = 1;
			if (phba->nvmet_support)
				phba->cfg_nvmet_mrq = 1;
		}
		phba->io_channel_irqs = 1;
	}

	/* Set up SLI-4 HBA */
	if (lpfc_sli4_hba_setup(phba)) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1421 Failed to set up hba\n");
		error = -ENODEV;
		goto out_disable_intr;
	}

	/* Log the current active interrupt mode */
	phba->intr_mode = intr_mode;
	lpfc_log_intr_mode(phba, intr_mode);

	/* Perform post initialization setup */
	lpfc_post_init_setup(phba);

	/* NVME support in FW earlier in the driver load corrects the
	 * FC4 type making a check for nvme_support unnecessary.
	 */
	if ((phba->nvmet_support == 0) &&
	    (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
		/* Create NVME binding with nvme_fc_transport. This
		 * ensures the vport is initialized.  If the localport
		 * create fails, it should not unload the driver to
		 * support field issues.
		 */
		error = lpfc_nvme_create_localport(vport);
		if (error) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"6004 NVME registration failed, "
					"error x%x\n",
					error);
		}
	}

	/* check for firmware upgrade or downgrade */
	if (phba->cfg_request_firmware_upgrade)
		lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);

	/* Check if there are static vports to be created. */
	lpfc_create_static_vport(phba);

	/* Enable RAS FW log support */
	lpfc_sli4_ras_setup(phba);

	return 0;

out_disable_intr:
	lpfc_sli4_disable_intr(phba);
out_free_sysfs_attr:
	lpfc_free_sysfs_attr(vport);
out_destroy_shost:
	lpfc_destroy_shost(phba);
out_unset_driver_resource:
	lpfc_unset_driver_resource_phase2(phba);
out_unset_driver_resource_s4:
	lpfc_sli4_driver_resource_unset(phba);
out_unset_pci_mem_s4:
	lpfc_sli4_pci_mem_unset(phba);
out_disable_pci_dev:
	lpfc_disable_pci_dev(phba);
	if (shost)
		scsi_host_put(shost);
out_free_phba:
	lpfc_hba_free(phba);
	return error;
}

/**
 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
 * @pdev: pointer to PCI device
 *
 * This routine is called from the kernel's PCI subsystem to device with
 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
 * removed from PCI bus, it performs all the necessary cleanup for the HBA
 * device to be removed from the PCI subsystem properly.
 **/
static void
lpfc_pci_remove_one_s4(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_vport **vports;
	struct lpfc_hba *phba = vport->phba;
	int i;

	/* Mark the device unloading flag */
	spin_lock_irq(&phba->hbalock);
	vport->load_flag |= FC_UNLOADING;
	spin_unlock_irq(&phba->hbalock);

	/* Free the HBA sysfs attributes */
	lpfc_free_sysfs_attr(vport);

	/* Release all the vports against this physical port */
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
			if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
				continue;
			fc_vport_terminate(vports[i]->fc_vport);
		}
	lpfc_destroy_vport_work_array(phba, vports);

	/* Remove FC host and then SCSI host with the physical port */
	fc_remove_host(shost);
	scsi_remove_host(shost);

	/* Perform ndlp cleanup on the physical port.  The nvme and nvmet
	 * localports are destroyed after to cleanup all transport memory.
	 */
	lpfc_cleanup(vport);
	lpfc_nvmet_destroy_targetport(phba);
	lpfc_nvme_destroy_localport(vport);

	/*
	 * Bring down the SLI Layer. This step disables all interrupts,
	 * clears the rings, discards all mailbox commands, and resets
	 * the HBA FCoE function.
	 */
	lpfc_debugfs_terminate(vport);
	lpfc_sli4_hba_unset(phba);

	lpfc_stop_hba_timers(phba);
	spin_lock_irq(&phba->port_list_lock);
	list_del_init(&vport->listentry);
	spin_unlock_irq(&phba->port_list_lock);

	/* Perform scsi free before driver resource_unset since scsi
	 * buffers are released to their corresponding pools here.
	 */
	lpfc_scsi_free(phba);
	lpfc_nvme_free(phba);
	lpfc_free_iocb_list(phba);

	lpfc_unset_driver_resource_phase2(phba);
	lpfc_sli4_driver_resource_unset(phba);

	/* Unmap adapter Control and Doorbell registers */
	lpfc_sli4_pci_mem_unset(phba);

	/* Release PCI resources and disable device's PCI function */
	scsi_host_put(shost);
	lpfc_disable_pci_dev(phba);

	/* Finally, free the driver's device data structure */
	lpfc_hba_free(phba);

	return;
}

/**
 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
 * @pdev: pointer to PCI device
 * @msg: power management message
 *
 * This routine is called from the kernel's PCI subsystem to support system
 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
 * this method, it quiesces the device by stopping the driver's worker
 * thread for the device, turning off device's interrupt and DMA, and bring
 * the device offline. Note that as the driver implements the minimum PM
 * requirements to a power-aware driver's PM support for suspend/resume -- all
 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
 * method call will be treated as SUSPEND and the driver will fully
 * reinitialize its device during resume() method call, the driver will set
 * device to PCI_D3hot state in PCI config space instead of setting it
 * according to the @msg provided by the PM.
 *
 * Return code
 * 	0 - driver suspended the device
 * 	Error otherwise
 **/
static int
lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"2843 PCI device Power Management suspend.\n");

	/* Bring down the device */
	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
	lpfc_offline(phba);
	kthread_stop(phba->worker_thread);

	/* Disable interrupt from device */
	lpfc_sli4_disable_intr(phba);
	lpfc_sli4_queue_destroy(phba);

	/* Save device state to PCI config space */
	pci_save_state(pdev);
	pci_set_power_state(pdev, PCI_D3hot);

	return 0;
}

/**
 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
 * @pdev: pointer to PCI device
 *
 * This routine is called from the kernel's PCI subsystem to support system
 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
 * this method, it restores the device's PCI config space state and fully
 * reinitializes the device and brings it online. Note that as the driver
 * implements the minimum PM requirements to a power-aware driver's PM for
 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
 * to the suspend() method call will be treated as SUSPEND and the driver
 * will fully reinitialize its device during resume() method call, the device
 * will be set to PCI_D0 directly in PCI config space before restoring the
 * state.
 *
 * Return code
 * 	0 - driver suspended the device
 * 	Error otherwise
 **/
static int
lpfc_pci_resume_one_s4(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	uint32_t intr_mode;
	int error;

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
			"0292 PCI device Power Management resume.\n");

	/* Restore device state from PCI config space */
	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);

	/*
	 * As the new kernel behavior of pci_restore_state() API call clears
	 * device saved_state flag, need to save the restored state again.
	 */
	pci_save_state(pdev);

	if (pdev->is_busmaster)
		pci_set_master(pdev);

	 /* Startup the kernel thread for this host adapter. */
	phba->worker_thread = kthread_run(lpfc_do_work, phba,
					"lpfc_worker_%d", phba->brd_no);
	if (IS_ERR(phba->worker_thread)) {
		error = PTR_ERR(phba->worker_thread);
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0293 PM resume failed to start worker "
				"thread: error=x%x.\n", error);
		return error;
	}

	/* Configure and enable interrupt */
	intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
	if (intr_mode == LPFC_INTR_ERROR) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0294 PM resume Failed to enable interrupt\n");
		return -EIO;
	} else
		phba->intr_mode = intr_mode;

	/* Restart HBA and bring it online */
	lpfc_sli_brdrestart(phba);
	lpfc_online(phba);

	/* Log the current active interrupt mode */
	lpfc_log_intr_mode(phba, phba->intr_mode);

	return 0;
}

/**
 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to prepare the SLI4 device for PCI slot recover. It
 * aborts all the outstanding SCSI I/Os to the pci device.
 **/
static void
lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
{
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2828 PCI channel I/O abort preparing for recovery\n");
	/*
	 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
	 * and let the SCSI mid-layer to retry them to recover.
	 */
	lpfc_sli_abort_fcp_rings(phba);
}

/**
 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to prepare the SLI4 device for PCI slot reset. It
 * disables the device interrupt and pci device, and aborts the internal FCP
 * pending I/Os.
 **/
static void
lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
{
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2826 PCI channel disable preparing for reset\n");

	/* Block any management I/Os to the device */
	lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);

	/* Block all SCSI devices' I/Os on the host */
	lpfc_scsi_dev_block(phba);

	/* Flush all driver's outstanding SCSI I/Os as we are to reset */
	lpfc_sli_flush_fcp_rings(phba);

	/* Flush the outstanding NVME IOs if fc4 type enabled. */
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
		lpfc_sli_flush_nvme_rings(phba);

	/* stop all timers */
	lpfc_stop_hba_timers(phba);

	/* Disable interrupt and pci device */
	lpfc_sli4_disable_intr(phba);
	lpfc_sli4_queue_destroy(phba);
	pci_disable_device(phba->pcidev);
}

/**
 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is called to prepare the SLI4 device for PCI slot permanently
 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
 * pending I/Os.
 **/
static void
lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
{
	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"2827 PCI channel permanent disable for failure\n");

	/* Block all SCSI devices' I/Os on the host */
	lpfc_scsi_dev_block(phba);

	/* stop all timers */
	lpfc_stop_hba_timers(phba);

	/* Clean up all driver's outstanding SCSI I/Os */
	lpfc_sli_flush_fcp_rings(phba);

	/* Flush the outstanding NVME IOs if fc4 type enabled. */
	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
		lpfc_sli_flush_nvme_rings(phba);
}

/**
 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
 * @pdev: pointer to PCI device.
 * @state: the current PCI connection state.
 *
 * This routine is called from the PCI subsystem for error handling to device
 * with SLI-4 interface spec. This function is called by the PCI subsystem
 * after a PCI bus error affecting this device has been detected. When this
 * function is invoked, it will need to stop all the I/Os and interrupt(s)
 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
 * for the PCI subsystem to perform proper recovery as desired.
 *
 * Return codes
 * 	PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
 * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
 **/
static pci_ers_result_t
lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	switch (state) {
	case pci_channel_io_normal:
		/* Non-fatal error, prepare for recovery */
		lpfc_sli4_prep_dev_for_recover(phba);
		return PCI_ERS_RESULT_CAN_RECOVER;
	case pci_channel_io_frozen:
		/* Fatal error, prepare for slot reset */
		lpfc_sli4_prep_dev_for_reset(phba);
		return PCI_ERS_RESULT_NEED_RESET;
	case pci_channel_io_perm_failure:
		/* Permanent failure, prepare for device down */
		lpfc_sli4_prep_dev_for_perm_failure(phba);
		return PCI_ERS_RESULT_DISCONNECT;
	default:
		/* Unknown state, prepare and request slot reset */
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2825 Unknown PCI error state: x%x\n", state);
		lpfc_sli4_prep_dev_for_reset(phba);
		return PCI_ERS_RESULT_NEED_RESET;
	}
}

/**
 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
 * @pdev: pointer to PCI device.
 *
 * This routine is called from the PCI subsystem for error handling to device
 * with SLI-4 interface spec. It is called after PCI bus has been reset to
 * restart the PCI card from scratch, as if from a cold-boot. During the
 * PCI subsystem error recovery, after the driver returns
 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
 * recovery and then call this routine before calling the .resume method to
 * recover the device. This function will initialize the HBA device, enable
 * the interrupt, but it will just put the HBA to offline state without
 * passing any I/O traffic.
 *
 * Return codes
 * 	PCI_ERS_RESULT_RECOVERED - the device has been recovered
 * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
 */
static pci_ers_result_t
lpfc_io_slot_reset_s4(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	struct lpfc_sli *psli = &phba->sli;
	uint32_t intr_mode;

	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
	if (pci_enable_device_mem(pdev)) {
		printk(KERN_ERR "lpfc: Cannot re-enable "
			"PCI device after reset.\n");
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_restore_state(pdev);

	/*
	 * As the new kernel behavior of pci_restore_state() API call clears
	 * device saved_state flag, need to save the restored state again.
	 */
	pci_save_state(pdev);

	if (pdev->is_busmaster)
		pci_set_master(pdev);

	spin_lock_irq(&phba->hbalock);
	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
	spin_unlock_irq(&phba->hbalock);

	/* Configure and enable interrupt */
	intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
	if (intr_mode == LPFC_INTR_ERROR) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"2824 Cannot re-enable interrupt after "
				"slot reset.\n");
		return PCI_ERS_RESULT_DISCONNECT;
	} else
		phba->intr_mode = intr_mode;

	/* Log the current active interrupt mode */
	lpfc_log_intr_mode(phba, phba->intr_mode);

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
 * @pdev: pointer to PCI device
 *
 * This routine is called from the PCI subsystem for error handling to device
 * with SLI-4 interface spec. It is called when kernel error recovery tells
 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
 * error recovery. After this call, traffic can start to flow from this device
 * again.
 **/
static void
lpfc_io_resume_s4(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	/*
	 * In case of slot reset, as function reset is performed through
	 * mailbox command which needs DMA to be enabled, this operation
	 * has to be moved to the io resume phase. Taking device offline
	 * will perform the necessary cleanup.
	 */
	if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
		/* Perform device reset */
		lpfc_offline_prep(phba, LPFC_MBX_WAIT);
		lpfc_offline(phba);
		lpfc_sli_brdrestart(phba);
		/* Bring the device back online */
		lpfc_online(phba);
	}
}

/**
 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
 * @pdev: pointer to PCI device
 * @pid: pointer to PCI device identifier
 *
 * This routine is to be registered to the kernel's PCI subsystem. When an
 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
 * at PCI device-specific information of the device and driver to see if the
 * driver state that it can support this kind of device. If the match is
 * successful, the driver core invokes this routine. This routine dispatches
 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
 * do all the initialization that it needs to do to handle the HBA device
 * properly.
 *
 * Return code
 * 	0 - driver can claim the device
 * 	negative value - driver can not claim the device
 **/
static int
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
{
	int rc;
	struct lpfc_sli_intf intf;

	if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
		return -ENODEV;

	if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
	    (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
		rc = lpfc_pci_probe_one_s4(pdev, pid);
	else
		rc = lpfc_pci_probe_one_s3(pdev, pid);

	return rc;
}

/**
 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
 * @pdev: pointer to PCI device
 *
 * This routine is to be registered to the kernel's PCI subsystem. When an
 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
 * remove routine, which will perform all the necessary cleanup for the
 * device to be removed from the PCI subsystem properly.
 **/
static void
lpfc_pci_remove_one(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	switch (phba->pci_dev_grp) {
	case LPFC_PCI_DEV_LP:
		lpfc_pci_remove_one_s3(pdev);
		break;
	case LPFC_PCI_DEV_OC:
		lpfc_pci_remove_one_s4(pdev);
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1424 Invalid PCI device group: 0x%x\n",
				phba->pci_dev_grp);
		break;
	}
	return;
}

/**
 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
 * @pdev: pointer to PCI device
 * @msg: power management message
 *
 * This routine is to be registered to the kernel's PCI subsystem to support
 * system Power Management (PM). When PM invokes this method, it dispatches
 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
 * suspend the device.
 *
 * Return code
 * 	0 - driver suspended the device
 * 	Error otherwise
 **/
static int
lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	int rc = -ENODEV;

	switch (phba->pci_dev_grp) {
	case LPFC_PCI_DEV_LP:
		rc = lpfc_pci_suspend_one_s3(pdev, msg);
		break;
	case LPFC_PCI_DEV_OC:
		rc = lpfc_pci_suspend_one_s4(pdev, msg);
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1425 Invalid PCI device group: 0x%x\n",
				phba->pci_dev_grp);
		break;
	}
	return rc;
}

/**
 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
 * @pdev: pointer to PCI device
 *
 * This routine is to be registered to the kernel's PCI subsystem to support
 * system Power Management (PM). When PM invokes this method, it dispatches
 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
 * resume the device.
 *
 * Return code
 * 	0 - driver suspended the device
 * 	Error otherwise
 **/
static int
lpfc_pci_resume_one(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	int rc = -ENODEV;

	switch (phba->pci_dev_grp) {
	case LPFC_PCI_DEV_LP:
		rc = lpfc_pci_resume_one_s3(pdev);
		break;
	case LPFC_PCI_DEV_OC:
		rc = lpfc_pci_resume_one_s4(pdev);
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1426 Invalid PCI device group: 0x%x\n",
				phba->pci_dev_grp);
		break;
	}
	return rc;
}

/**
 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
 * @pdev: pointer to PCI device.
 * @state: the current PCI connection state.
 *
 * This routine is registered to the PCI subsystem for error handling. This
 * function is called by the PCI subsystem after a PCI bus error affecting
 * this device has been detected. When this routine is invoked, it dispatches
 * the action to the proper SLI-3 or SLI-4 device error detected handling
 * routine, which will perform the proper error detected operation.
 *
 * Return codes
 * 	PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
 * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
 **/
static pci_ers_result_t
lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;

	switch (phba->pci_dev_grp) {
	case LPFC_PCI_DEV_LP:
		rc = lpfc_io_error_detected_s3(pdev, state);
		break;
	case LPFC_PCI_DEV_OC:
		rc = lpfc_io_error_detected_s4(pdev, state);
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1427 Invalid PCI device group: 0x%x\n",
				phba->pci_dev_grp);
		break;
	}
	return rc;
}

/**
 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
 * @pdev: pointer to PCI device.
 *
 * This routine is registered to the PCI subsystem for error handling. This
 * function is called after PCI bus has been reset to restart the PCI card
 * from scratch, as if from a cold-boot. When this routine is invoked, it
 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
 * routine, which will perform the proper device reset.
 *
 * Return codes
 * 	PCI_ERS_RESULT_RECOVERED - the device has been recovered
 * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
 **/
static pci_ers_result_t
lpfc_io_slot_reset(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
	pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;

	switch (phba->pci_dev_grp) {
	case LPFC_PCI_DEV_LP:
		rc = lpfc_io_slot_reset_s3(pdev);
		break;
	case LPFC_PCI_DEV_OC:
		rc = lpfc_io_slot_reset_s4(pdev);
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1428 Invalid PCI device group: 0x%x\n",
				phba->pci_dev_grp);
		break;
	}
	return rc;
}

/**
 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
 * @pdev: pointer to PCI device
 *
 * This routine is registered to the PCI subsystem for error handling. It
 * is called when kernel error recovery tells the lpfc driver that it is
 * OK to resume normal PCI operation after PCI bus error recovery. When
 * this routine is invoked, it dispatches the action to the proper SLI-3
 * or SLI-4 device io_resume routine, which will resume the device operation.
 **/
static void
lpfc_io_resume(struct pci_dev *pdev)
{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;

	switch (phba->pci_dev_grp) {
	case LPFC_PCI_DEV_LP:
		lpfc_io_resume_s3(pdev);
		break;
	case LPFC_PCI_DEV_OC:
		lpfc_io_resume_s4(pdev);
		break;
	default:
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"1429 Invalid PCI device group: 0x%x\n",
				phba->pci_dev_grp);
		break;
	}
	return;
}

/**
 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine checks to see if OAS is supported for this adapter. If
 * supported, the configure Flash Optimized Fabric flag is set.  Otherwise,
 * the enable oas flag is cleared and the pool created for OAS device data
 * is destroyed.
 *
 **/
void
lpfc_sli4_oas_verify(struct lpfc_hba *phba)
{

	if (!phba->cfg_EnableXLane)
		return;

	if (phba->sli4_hba.pc_sli4_params.oas_supported) {
		phba->cfg_fof = 1;
	} else {
		phba->cfg_fof = 0;
		if (phba->device_data_mem_pool)
			mempool_destroy(phba->device_data_mem_pool);
		phba->device_data_mem_pool = NULL;
	}

	return;
}

/**
 * lpfc_sli4_ras_init - Verify RAS-FW log is supported by this adapter
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine checks to see if RAS is supported by the adapter. Check the
 * function through which RAS support enablement is to be done.
 **/
void
lpfc_sli4_ras_init(struct lpfc_hba *phba)
{
	switch (phba->pcidev->device) {
	case PCI_DEVICE_ID_LANCER_G6_FC:
	case PCI_DEVICE_ID_LANCER_G7_FC:
		phba->ras_fwlog.ras_hwsupport = true;
		if (phba->cfg_ras_fwlog_func == PCI_FUNC(phba->pcidev->devfn) &&
		    phba->cfg_ras_fwlog_buffsize)
			phba->ras_fwlog.ras_enabled = true;
		else
			phba->ras_fwlog.ras_enabled = false;
		break;
	default:
		phba->ras_fwlog.ras_hwsupport = false;
	}
}

/**
 * lpfc_fof_queue_setup - Set up all the fof queues
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to set up all the fof queues for the FC HBA
 * operation.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No available memory
 **/
int
lpfc_fof_queue_setup(struct lpfc_hba *phba)
{
	struct lpfc_sli_ring *pring;
	int rc;

	rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX);
	if (rc)
		return -ENOMEM;

	if (phba->cfg_fof) {

		rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq,
				    phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP);
		if (rc)
			goto out_oas_cq;

		rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq,
				    phba->sli4_hba.oas_cq, LPFC_FCP);
		if (rc)
			goto out_oas_wq;

		/* Bind this CQ/WQ to the NVME ring */
		pring = phba->sli4_hba.oas_wq->pring;
		pring->sli.sli4.wqp =
			(void *)phba->sli4_hba.oas_wq;
		phba->sli4_hba.oas_cq->pring = pring;
	}

	return 0;

out_oas_wq:
	lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq);
out_oas_cq:
	lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq);
	return rc;

}

/**
 * lpfc_fof_queue_create - Create all the fof queues
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to allocate all the fof queues for the FC HBA
 * operation. For each SLI4 queue type, the parameters such as queue entry
 * count (queue depth) shall be taken from the module parameter. For now,
 * we just use some constant number as place holder.
 *
 * Return codes
 *      0 - successful
 *      -ENOMEM - No availble memory
 *      -EIO - The mailbox failed to complete successfully.
 **/
int
lpfc_fof_queue_create(struct lpfc_hba *phba)
{
	struct lpfc_queue *qdesc;
	uint32_t wqesize;

	/* Create FOF EQ */
	qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE,
				      phba->sli4_hba.eq_esize,
				      phba->sli4_hba.eq_ecount);
	if (!qdesc)
		goto out_error;

	qdesc->qe_valid = 1;
	phba->sli4_hba.fof_eq = qdesc;

	if (phba->cfg_fof) {

		/* Create OAS CQ */
		if (phba->enab_exp_wqcq_pages)
			qdesc = lpfc_sli4_queue_alloc(phba,
						      LPFC_EXPANDED_PAGE_SIZE,
						      phba->sli4_hba.cq_esize,
						      LPFC_CQE_EXP_COUNT);
		else
			qdesc = lpfc_sli4_queue_alloc(phba,
						      LPFC_DEFAULT_PAGE_SIZE,
						      phba->sli4_hba.cq_esize,
						      phba->sli4_hba.cq_ecount);
		if (!qdesc)
			goto out_error;

		qdesc->qe_valid = 1;
		phba->sli4_hba.oas_cq = qdesc;

		/* Create OAS WQ */
		if (phba->enab_exp_wqcq_pages) {
			wqesize = (phba->fcp_embed_io) ?
				LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize;
			qdesc = lpfc_sli4_queue_alloc(phba,
						      LPFC_EXPANDED_PAGE_SIZE,
						      wqesize,
						      LPFC_WQE_EXP_COUNT);
		} else
			qdesc = lpfc_sli4_queue_alloc(phba,
						      LPFC_DEFAULT_PAGE_SIZE,
						      phba->sli4_hba.wq_esize,
						      phba->sli4_hba.wq_ecount);

		if (!qdesc)
			goto out_error;

		phba->sli4_hba.oas_wq = qdesc;
		list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list);

	}
	return 0;

out_error:
	lpfc_fof_queue_destroy(phba);
	return -ENOMEM;
}

/**
 * lpfc_fof_queue_destroy - Destroy all the fof queues
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine is invoked to release all the SLI4 queues with the FC HBA
 * operation.
 *
 * Return codes
 *      0 - successful
 **/
int
lpfc_fof_queue_destroy(struct lpfc_hba *phba)
{
	/* Release FOF Event queue */
	if (phba->sli4_hba.fof_eq != NULL) {
		lpfc_sli4_queue_free(phba->sli4_hba.fof_eq);
		phba->sli4_hba.fof_eq = NULL;
	}

	/* Release OAS Completion queue */
	if (phba->sli4_hba.oas_cq != NULL) {
		lpfc_sli4_queue_free(phba->sli4_hba.oas_cq);
		phba->sli4_hba.oas_cq = NULL;
	}

	/* Release OAS Work queue */
	if (phba->sli4_hba.oas_wq != NULL) {
		lpfc_sli4_queue_free(phba->sli4_hba.oas_wq);
		phba->sli4_hba.oas_wq = NULL;
	}
	return 0;
}

MODULE_DEVICE_TABLE(pci, lpfc_id_table);

static const struct pci_error_handlers lpfc_err_handler = {
	.error_detected = lpfc_io_error_detected,
	.slot_reset = lpfc_io_slot_reset,
	.resume = lpfc_io_resume,
};

static struct pci_driver lpfc_driver = {
	.name		= LPFC_DRIVER_NAME,
	.id_table	= lpfc_id_table,
	.probe		= lpfc_pci_probe_one,
	.remove		= lpfc_pci_remove_one,
	.shutdown	= lpfc_pci_remove_one,
	.suspend        = lpfc_pci_suspend_one,
	.resume		= lpfc_pci_resume_one,
	.err_handler    = &lpfc_err_handler,
};

static const struct file_operations lpfc_mgmt_fop = {
	.owner = THIS_MODULE,
};

static struct miscdevice lpfc_mgmt_dev = {
	.minor = MISC_DYNAMIC_MINOR,
	.name = "lpfcmgmt",
	.fops = &lpfc_mgmt_fop,
};

/**
 * lpfc_init - lpfc module initialization routine
 *
 * This routine is to be invoked when the lpfc module is loaded into the
 * kernel. The special kernel macro module_init() is used to indicate the
 * role of this routine to the kernel as lpfc module entry point.
 *
 * Return codes
 *   0 - successful
 *   -ENOMEM - FC attach transport failed
 *   all others - failed
 */
static int __init
lpfc_init(void)
{
	int error = 0;

	printk(LPFC_MODULE_DESC "\n");
	printk(LPFC_COPYRIGHT "\n");

	error = misc_register(&lpfc_mgmt_dev);
	if (error)
		printk(KERN_ERR "Could not register lpfcmgmt device, "
			"misc_register returned with status %d", error);

	lpfc_transport_functions.vport_create = lpfc_vport_create;
	lpfc_transport_functions.vport_delete = lpfc_vport_delete;
	lpfc_transport_template =
				fc_attach_transport(&lpfc_transport_functions);
	if (lpfc_transport_template == NULL)
		return -ENOMEM;
	lpfc_vport_transport_template =
		fc_attach_transport(&lpfc_vport_transport_functions);
	if (lpfc_vport_transport_template == NULL) {
		fc_release_transport(lpfc_transport_template);
		return -ENOMEM;
	}
	lpfc_nvme_cmd_template();
	lpfc_nvmet_cmd_template();

	/* Initialize in case vector mapping is needed */
	lpfc_used_cpu = NULL;
	lpfc_present_cpu = num_present_cpus();

	error = pci_register_driver(&lpfc_driver);
	if (error) {
		fc_release_transport(lpfc_transport_template);
		fc_release_transport(lpfc_vport_transport_template);
	}

	return error;
}

/**
 * lpfc_exit - lpfc module removal routine
 *
 * This routine is invoked when the lpfc module is removed from the kernel.
 * The special kernel macro module_exit() is used to indicate the role of
 * this routine to the kernel as lpfc module exit point.
 */
static void __exit
lpfc_exit(void)
{
	misc_deregister(&lpfc_mgmt_dev);
	pci_unregister_driver(&lpfc_driver);
	fc_release_transport(lpfc_transport_template);
	fc_release_transport(lpfc_vport_transport_template);
	if (_dump_buf_data) {
		printk(KERN_ERR	"9062 BLKGRD: freeing %lu pages for "
				"_dump_buf_data at 0x%p\n",
				(1L << _dump_buf_data_order), _dump_buf_data);
		free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
	}

	if (_dump_buf_dif) {
		printk(KERN_ERR	"9049 BLKGRD: freeing %lu pages for "
				"_dump_buf_dif at 0x%p\n",
				(1L << _dump_buf_dif_order), _dump_buf_dif);
		free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
	}
	kfree(lpfc_used_cpu);
	idr_destroy(&lpfc_hba_index);
}

module_init(lpfc_init);
module_exit(lpfc_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION(LPFC_MODULE_DESC);
MODULE_AUTHOR("Broadcom");
MODULE_VERSION("0:" LPFC_DRIVER_VERSION);