summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/qla2xxx/qla_def.h
blob: d505c0456de37722069de5b5c9e9c8beb86245ee (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
/*
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2005 QLogic Corporation
 *
 * See LICENSE.qla2xxx for copyright and licensing details.
 */
#ifndef __QLA_DEF_H
#define __QLA_DEF_H

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/dmapool.h>
#include <linux/mempool.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/firmware.h>
#include <asm/semaphore.h>

#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_transport_fc.h>

#define QLA2XXX_DRIVER_NAME  "qla2xxx"

/*
 * We have MAILBOX_REGISTER_COUNT sized arrays in a few places,
 * but that's fine as we don't look at the last 24 ones for
 * ISP2100 HBAs.
 */
#define MAILBOX_REGISTER_COUNT_2100	8
#define MAILBOX_REGISTER_COUNT		32

#define QLA2200A_RISC_ROM_VER	4
#define FPM_2300		6
#define FPM_2310		7

#include "qla_settings.h"

/*
 * Data bit definitions
 */
#define BIT_0	0x1
#define BIT_1	0x2
#define BIT_2	0x4
#define BIT_3	0x8
#define BIT_4	0x10
#define BIT_5	0x20
#define BIT_6	0x40
#define BIT_7	0x80
#define BIT_8	0x100
#define BIT_9	0x200
#define BIT_10	0x400
#define BIT_11	0x800
#define BIT_12	0x1000
#define BIT_13	0x2000
#define BIT_14	0x4000
#define BIT_15	0x8000
#define BIT_16	0x10000
#define BIT_17	0x20000
#define BIT_18	0x40000
#define BIT_19	0x80000
#define BIT_20	0x100000
#define BIT_21	0x200000
#define BIT_22	0x400000
#define BIT_23	0x800000
#define BIT_24	0x1000000
#define BIT_25	0x2000000
#define BIT_26	0x4000000
#define BIT_27	0x8000000
#define BIT_28	0x10000000
#define BIT_29	0x20000000
#define BIT_30	0x40000000
#define BIT_31	0x80000000

#define LSB(x)	((uint8_t)(x))
#define MSB(x)	((uint8_t)((uint16_t)(x) >> 8))

#define LSW(x)	((uint16_t)(x))
#define MSW(x)	((uint16_t)((uint32_t)(x) >> 16))

#define LSD(x)	((uint32_t)((uint64_t)(x)))
#define MSD(x)	((uint32_t)((((uint64_t)(x)) >> 16) >> 16))


/*
 * I/O register
*/

#define RD_REG_BYTE(addr)		readb(addr)
#define RD_REG_WORD(addr)		readw(addr)
#define RD_REG_DWORD(addr)		readl(addr)
#define RD_REG_BYTE_RELAXED(addr)	readb_relaxed(addr)
#define RD_REG_WORD_RELAXED(addr)	readw_relaxed(addr)
#define RD_REG_DWORD_RELAXED(addr)	readl_relaxed(addr)
#define WRT_REG_BYTE(addr, data)	writeb(data,addr)
#define WRT_REG_WORD(addr, data)	writew(data,addr)
#define WRT_REG_DWORD(addr, data)	writel(data,addr)

/*
 * The ISP2312 v2 chip cannot access the FLASH/GPIO registers via MMIO in an
 * 133Mhz slot.
 */
#define RD_REG_WORD_PIO(addr)		(inw((unsigned long)addr))
#define WRT_REG_WORD_PIO(addr, data)	(outw(data,(unsigned long)addr))

/*
 * Fibre Channel device definitions.
 */
#define WWN_SIZE		8	/* Size of WWPN, WWN & WWNN */
#define MAX_FIBRE_DEVICES	512
#define MAX_FIBRE_LUNS  	0xFFFF
#define	MAX_RSCN_COUNT		32
#define	MAX_HOST_COUNT		16

/*
 * Host adapter default definitions.
 */
#define MAX_BUSES		1  /* We only have one bus today */
#define MAX_TARGETS_2100	MAX_FIBRE_DEVICES
#define MAX_TARGETS_2200	MAX_FIBRE_DEVICES
#define MIN_LUNS		8
#define MAX_LUNS		MAX_FIBRE_LUNS
#define MAX_CMDS_PER_LUN	255

/*
 * Fibre Channel device definitions.
 */
#define SNS_LAST_LOOP_ID_2100	0xfe
#define SNS_LAST_LOOP_ID_2300	0x7ff

#define LAST_LOCAL_LOOP_ID	0x7d
#define SNS_FL_PORT		0x7e
#define FABRIC_CONTROLLER	0x7f
#define SIMPLE_NAME_SERVER	0x80
#define SNS_FIRST_LOOP_ID	0x81
#define MANAGEMENT_SERVER	0xfe
#define BROADCAST		0xff

/*
 * There is no correspondence between an N-PORT id and an AL_PA.  Therefore the
 * valid range of an N-PORT id is 0 through 0x7ef.
 */
#define NPH_LAST_HANDLE		0x7ef
#define NPH_MGMT_SERVER		0x7fa		/*  FFFFFA */
#define NPH_SNS			0x7fc		/*  FFFFFC */
#define NPH_FABRIC_CONTROLLER	0x7fd		/*  FFFFFD */
#define NPH_F_PORT		0x7fe		/*  FFFFFE */
#define NPH_IP_BROADCAST	0x7ff		/*  FFFFFF */

#define MAX_CMDSZ	16		/* SCSI maximum CDB size. */
#include "qla_fw.h"

/*
 * Timeout timer counts in seconds
 */
#define PORT_RETRY_TIME			1
#define LOOP_DOWN_TIMEOUT		60
#define LOOP_DOWN_TIME			255	/* 240 */
#define	LOOP_DOWN_RESET			(LOOP_DOWN_TIME - 30)

/* Maximum outstanding commands in ISP queues (1-65535) */
#define MAX_OUTSTANDING_COMMANDS	1024

/* ISP request and response entry counts (37-65535) */
#define REQUEST_ENTRY_CNT_2100		128	/* Number of request entries. */
#define REQUEST_ENTRY_CNT_2200		2048	/* Number of request entries. */
#define REQUEST_ENTRY_CNT_2XXX_EXT_MEM	4096	/* Number of request entries. */
#define REQUEST_ENTRY_CNT_24XX		4096	/* Number of request entries. */
#define RESPONSE_ENTRY_CNT_2100		64	/* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_2300		512	/* Number of response entries.*/

/*
 * SCSI Request Block
 */
typedef struct srb {
	struct list_head list;

	struct scsi_qla_host *ha;	/* HA the SP is queued on */
	struct fc_port *fcport;

	struct scsi_cmnd *cmd;		/* Linux SCSI command pkt */

	uint16_t flags;

	/* Single transfer DMA context */
	dma_addr_t dma_handle;

	uint32_t request_sense_length;
	uint8_t *request_sense_ptr;
} srb_t;

/*
 * SRB flag definitions
 */
#define SRB_TIMEOUT		BIT_0	/* Command timed out */
#define SRB_DMA_VALID		BIT_1	/* Command sent to ISP */
#define SRB_WATCHDOG		BIT_2	/* Command on watchdog list */
#define SRB_ABORT_PENDING	BIT_3	/* Command abort sent to device */

#define SRB_ABORTED		BIT_4	/* Command aborted command already */
#define SRB_RETRY		BIT_5	/* Command needs retrying */
#define SRB_GOT_SENSE		BIT_6	/* Command has sense data */
#define SRB_FAILOVER		BIT_7	/* Command in failover state */

#define SRB_BUSY		BIT_8	/* Command is in busy retry state */
#define SRB_FO_CANCEL		BIT_9	/* Command don't need to do failover */
#define SRB_IOCTL		BIT_10	/* IOCTL command. */
#define SRB_TAPE		BIT_11	/* FCP2 (Tape) command. */

/*
 * ISP I/O Register Set structure definitions.
 */
struct device_reg_2xxx {
	uint16_t flash_address; 	/* Flash BIOS address */
	uint16_t flash_data;		/* Flash BIOS data */
	uint16_t unused_1[1];		/* Gap */
	uint16_t ctrl_status;		/* Control/Status */
#define CSR_FLASH_64K_BANK	BIT_3	/* Flash upper 64K bank select */
#define CSR_FLASH_ENABLE	BIT_1	/* Flash BIOS Read/Write enable */
#define CSR_ISP_SOFT_RESET	BIT_0	/* ISP soft reset */

	uint16_t ictrl;			/* Interrupt control */
#define ICR_EN_INT		BIT_15	/* ISP enable interrupts. */
#define ICR_EN_RISC		BIT_3	/* ISP enable RISC interrupts. */

	uint16_t istatus;		/* Interrupt status */
#define ISR_RISC_INT		BIT_3	/* RISC interrupt */

	uint16_t semaphore;		/* Semaphore */
	uint16_t nvram;			/* NVRAM register. */
#define NVR_DESELECT		0
#define NVR_BUSY		BIT_15
#define NVR_WRT_ENABLE		BIT_14	/* Write enable */
#define NVR_PR_ENABLE		BIT_13	/* Protection register enable */
#define NVR_DATA_IN		BIT_3
#define NVR_DATA_OUT		BIT_2
#define NVR_SELECT		BIT_1
#define NVR_CLOCK		BIT_0

#define NVR_WAIT_CNT		20000

	union {
		struct {
			uint16_t mailbox0;
			uint16_t mailbox1;
			uint16_t mailbox2;
			uint16_t mailbox3;
			uint16_t mailbox4;
			uint16_t mailbox5;
			uint16_t mailbox6;
			uint16_t mailbox7;
			uint16_t unused_2[59];	/* Gap */
		} __attribute__((packed)) isp2100;
		struct {
						/* Request Queue */
			uint16_t req_q_in;	/*  In-Pointer */
			uint16_t req_q_out;	/*  Out-Pointer */
						/* Response Queue */
			uint16_t rsp_q_in;	/*  In-Pointer */
			uint16_t rsp_q_out;	/*  Out-Pointer */

						/* RISC to Host Status */
			uint32_t host_status;
#define HSR_RISC_INT		BIT_15	/* RISC interrupt */
#define HSR_RISC_PAUSED		BIT_8	/* RISC Paused */

					/* Host to Host Semaphore */
			uint16_t host_semaphore;
			uint16_t unused_3[17];	/* Gap */
			uint16_t mailbox0;
			uint16_t mailbox1;
			uint16_t mailbox2;
			uint16_t mailbox3;
			uint16_t mailbox4;
			uint16_t mailbox5;
			uint16_t mailbox6;
			uint16_t mailbox7;
			uint16_t mailbox8;
			uint16_t mailbox9;
			uint16_t mailbox10;
			uint16_t mailbox11;
			uint16_t mailbox12;
			uint16_t mailbox13;
			uint16_t mailbox14;
			uint16_t mailbox15;
			uint16_t mailbox16;
			uint16_t mailbox17;
			uint16_t mailbox18;
			uint16_t mailbox19;
			uint16_t mailbox20;
			uint16_t mailbox21;
			uint16_t mailbox22;
			uint16_t mailbox23;
			uint16_t mailbox24;
			uint16_t mailbox25;
			uint16_t mailbox26;
			uint16_t mailbox27;
			uint16_t mailbox28;
			uint16_t mailbox29;
			uint16_t mailbox30;
			uint16_t mailbox31;
			uint16_t fb_cmd;
			uint16_t unused_4[10];	/* Gap */
		} __attribute__((packed)) isp2300;
	} u;

	uint16_t fpm_diag_config;
	uint16_t unused_5[0x6];		/* Gap */
	uint16_t pcr;			/* Processor Control Register. */
	uint16_t unused_6[0x5];		/* Gap */
	uint16_t mctr;			/* Memory Configuration and Timing. */
	uint16_t unused_7[0x3];		/* Gap */
	uint16_t fb_cmd_2100;		/* Unused on 23XX */
	uint16_t unused_8[0x3];		/* Gap */
	uint16_t hccr;			/* Host command & control register. */
#define HCCR_HOST_INT		BIT_7	/* Host interrupt bit */
#define HCCR_RISC_PAUSE		BIT_5	/* Pause mode bit */
					/* HCCR commands */
#define HCCR_RESET_RISC		0x1000	/* Reset RISC */
#define HCCR_PAUSE_RISC		0x2000	/* Pause RISC */
#define HCCR_RELEASE_RISC	0x3000	/* Release RISC from reset. */
#define HCCR_SET_HOST_INT	0x5000	/* Set host interrupt */
#define HCCR_CLR_HOST_INT	0x6000	/* Clear HOST interrupt */
#define HCCR_CLR_RISC_INT	0x7000	/* Clear RISC interrupt */
#define	HCCR_DISABLE_PARITY_PAUSE 0x4001 /* Disable parity error RISC pause. */
#define HCCR_ENABLE_PARITY	0xA000	/* Enable PARITY interrupt */

	uint16_t unused_9[5];		/* Gap */
	uint16_t gpiod;			/* GPIO Data register. */
	uint16_t gpioe;			/* GPIO Enable register. */
#define GPIO_LED_MASK			0x00C0
#define GPIO_LED_GREEN_OFF_AMBER_OFF	0x0000
#define GPIO_LED_GREEN_ON_AMBER_OFF	0x0040
#define GPIO_LED_GREEN_OFF_AMBER_ON	0x0080
#define GPIO_LED_GREEN_ON_AMBER_ON	0x00C0
#define GPIO_LED_ALL_OFF		0x0000
#define GPIO_LED_RED_ON_OTHER_OFF	0x0001	/* isp2322 */
#define GPIO_LED_RGA_ON			0x00C1	/* isp2322: red green amber */

	union {
		struct {
			uint16_t unused_10[8];	/* Gap */
			uint16_t mailbox8;
			uint16_t mailbox9;
			uint16_t mailbox10;
			uint16_t mailbox11;
			uint16_t mailbox12;
			uint16_t mailbox13;
			uint16_t mailbox14;
			uint16_t mailbox15;
			uint16_t mailbox16;
			uint16_t mailbox17;
			uint16_t mailbox18;
			uint16_t mailbox19;
			uint16_t mailbox20;
			uint16_t mailbox21;
			uint16_t mailbox22;
			uint16_t mailbox23;	/* Also probe reg. */
		} __attribute__((packed)) isp2200;
	} u_end;
};

typedef union {
		struct device_reg_2xxx isp;
		struct device_reg_24xx isp24;
} device_reg_t;

#define ISP_REQ_Q_IN(ha, reg) \
	(IS_QLA2100(ha) || IS_QLA2200(ha) ? \
	 &(reg)->u.isp2100.mailbox4 : \
	 &(reg)->u.isp2300.req_q_in)
#define ISP_REQ_Q_OUT(ha, reg) \
	(IS_QLA2100(ha) || IS_QLA2200(ha) ? \
	 &(reg)->u.isp2100.mailbox4 : \
	 &(reg)->u.isp2300.req_q_out)
#define ISP_RSP_Q_IN(ha, reg) \
	(IS_QLA2100(ha) || IS_QLA2200(ha) ? \
	 &(reg)->u.isp2100.mailbox5 : \
	 &(reg)->u.isp2300.rsp_q_in)
#define ISP_RSP_Q_OUT(ha, reg) \
	(IS_QLA2100(ha) || IS_QLA2200(ha) ? \
	 &(reg)->u.isp2100.mailbox5 : \
	 &(reg)->u.isp2300.rsp_q_out)

#define MAILBOX_REG(ha, reg, num) \
	(IS_QLA2100(ha) || IS_QLA2200(ha) ? \
	 (num < 8 ? \
	  &(reg)->u.isp2100.mailbox0 + (num) : \
	  &(reg)->u_end.isp2200.mailbox8 + (num) - 8) : \
	 &(reg)->u.isp2300.mailbox0 + (num))
#define RD_MAILBOX_REG(ha, reg, num) \
	RD_REG_WORD(MAILBOX_REG(ha, reg, num))
#define WRT_MAILBOX_REG(ha, reg, num, data) \
	WRT_REG_WORD(MAILBOX_REG(ha, reg, num), data)

#define FB_CMD_REG(ha, reg) \
	(IS_QLA2100(ha) || IS_QLA2200(ha) ? \
	 &(reg)->fb_cmd_2100 : \
	 &(reg)->u.isp2300.fb_cmd)
#define RD_FB_CMD_REG(ha, reg) \
	RD_REG_WORD(FB_CMD_REG(ha, reg))
#define WRT_FB_CMD_REG(ha, reg, data) \
	WRT_REG_WORD(FB_CMD_REG(ha, reg), data)

typedef struct {
	uint32_t	out_mb;		/* outbound from driver */
	uint32_t	in_mb;			/* Incoming from RISC */
	uint16_t	mb[MAILBOX_REGISTER_COUNT];
	long		buf_size;
	void		*bufp;
	uint32_t	tov;
	uint8_t		flags;
#define MBX_DMA_IN	BIT_0
#define	MBX_DMA_OUT	BIT_1
#define IOCTL_CMD	BIT_2
} mbx_cmd_t;

#define	MBX_TOV_SECONDS	30

/*
 *  ISP product identification definitions in mailboxes after reset.
 */
#define PROD_ID_1		0x4953
#define PROD_ID_2		0x0000
#define PROD_ID_2a		0x5020
#define PROD_ID_3		0x2020

/*
 * ISP mailbox Self-Test status codes
 */
#define MBS_FRM_ALIVE		0	/* Firmware Alive. */
#define MBS_CHKSUM_ERR		1	/* Checksum Error. */
#define MBS_BUSY		4	/* Busy. */

/*
 * ISP mailbox command complete status codes
 */
#define MBS_COMMAND_COMPLETE		0x4000
#define MBS_INVALID_COMMAND		0x4001
#define MBS_HOST_INTERFACE_ERROR	0x4002
#define MBS_TEST_FAILED			0x4003
#define MBS_COMMAND_ERROR		0x4005
#define MBS_COMMAND_PARAMETER_ERROR	0x4006
#define MBS_PORT_ID_USED		0x4007
#define MBS_LOOP_ID_USED		0x4008
#define MBS_ALL_IDS_IN_USE		0x4009
#define MBS_NOT_LOGGED_IN		0x400A
#define MBS_LINK_DOWN_ERROR		0x400B
#define MBS_DIAG_ECHO_TEST_ERROR	0x400C

/*
 * ISP mailbox asynchronous event status codes
 */
#define MBA_ASYNC_EVENT		0x8000	/* Asynchronous event. */
#define MBA_RESET		0x8001	/* Reset Detected. */
#define MBA_SYSTEM_ERR		0x8002	/* System Error. */
#define MBA_REQ_TRANSFER_ERR	0x8003	/* Request Transfer Error. */
#define MBA_RSP_TRANSFER_ERR	0x8004	/* Response Transfer Error. */
#define MBA_WAKEUP_THRES	0x8005	/* Request Queue Wake-up. */
#define MBA_LIP_OCCURRED	0x8010	/* Loop Initialization Procedure */
					/* occurred. */
#define MBA_LOOP_UP		0x8011	/* FC Loop UP. */
#define MBA_LOOP_DOWN		0x8012	/* FC Loop Down. */
#define MBA_LIP_RESET		0x8013	/* LIP reset occurred. */
#define MBA_PORT_UPDATE		0x8014	/* Port Database update. */
#define MBA_RSCN_UPDATE		0x8015	/* Register State Chg Notification. */
#define MBA_LIP_F8		0x8016	/* Received a LIP F8. */
#define MBA_LOOP_INIT_ERR	0x8017	/* Loop Initialization Error. */
#define MBA_FABRIC_AUTH_REQ	0x801b	/* Fabric Authentication Required. */
#define MBA_SCSI_COMPLETION	0x8020	/* SCSI Command Complete. */
#define MBA_CTIO_COMPLETION	0x8021	/* CTIO Complete. */
#define MBA_IP_COMPLETION	0x8022	/* IP Transmit Command Complete. */
#define MBA_IP_RECEIVE		0x8023	/* IP Received. */
#define MBA_IP_BROADCAST	0x8024	/* IP Broadcast Received. */
#define MBA_IP_LOW_WATER_MARK	0x8025	/* IP Low Water Mark reached. */
#define MBA_IP_RCV_BUFFER_EMPTY 0x8026	/* IP receive buffer queue empty. */
#define MBA_IP_HDR_DATA_SPLIT	0x8027	/* IP header/data splitting feature */
					/* used. */
#define MBA_TRACE_NOTIFICATION	0x8028	/* Trace/Diagnostic notification. */
#define MBA_POINT_TO_POINT	0x8030	/* Point to point mode. */
#define MBA_CMPLT_1_16BIT	0x8031	/* Completion 1 16bit IOSB. */
#define MBA_CMPLT_2_16BIT	0x8032	/* Completion 2 16bit IOSB. */
#define MBA_CMPLT_3_16BIT	0x8033	/* Completion 3 16bit IOSB. */
#define MBA_CMPLT_4_16BIT	0x8034	/* Completion 4 16bit IOSB. */
#define MBA_CMPLT_5_16BIT	0x8035	/* Completion 5 16bit IOSB. */
#define MBA_CHG_IN_CONNECTION	0x8036	/* Change in connection mode. */
#define MBA_RIO_RESPONSE	0x8040	/* RIO response queue update. */
#define MBA_ZIO_RESPONSE	0x8040	/* ZIO response queue update. */
#define MBA_CMPLT_2_32BIT	0x8042	/* Completion 2 32bit IOSB. */
#define MBA_BYPASS_NOTIFICATION	0x8043	/* Auto bypass notification. */
#define MBA_DISCARD_RND_FRAME	0x8048	/* discard RND frame due to error. */
#define MBA_REJECTED_FCP_CMD	0x8049	/* rejected FCP_CMD. */

/*
 * Firmware options 1, 2, 3.
 */
#define FO1_AE_ON_LIPF8			BIT_0
#define FO1_AE_ALL_LIP_RESET		BIT_1
#define FO1_CTIO_RETRY			BIT_3
#define FO1_DISABLE_LIP_F7_SW		BIT_4
#define FO1_DISABLE_100MS_LOS_WAIT	BIT_5
#define FO1_DISABLE_GPIO6_7		BIT_6	/* LED bits */
#define FO1_AE_ON_LOOP_INIT_ERR		BIT_7
#define FO1_SET_EMPHASIS_SWING		BIT_8
#define FO1_AE_AUTO_BYPASS		BIT_9
#define FO1_ENABLE_PURE_IOCB		BIT_10
#define FO1_AE_PLOGI_RJT		BIT_11
#define FO1_ENABLE_ABORT_SEQUENCE	BIT_12
#define FO1_AE_QUEUE_FULL		BIT_13

#define FO2_ENABLE_ATIO_TYPE_3		BIT_0
#define FO2_REV_LOOPBACK		BIT_1

#define FO3_ENABLE_EMERG_IOCB		BIT_0
#define FO3_AE_RND_ERROR		BIT_1

/* 24XX additional firmware options */
#define ADD_FO_COUNT			3
#define ADD_FO1_DISABLE_GPIO_LED_CTRL	BIT_6	/* LED bits */
#define ADD_FO1_ENABLE_PUREX_IOCB	BIT_10

#define ADD_FO2_ENABLE_SEL_CLS2		BIT_5

#define ADD_FO3_NO_ABT_ON_LINK_DOWN	BIT_14

/*
 * ISP mailbox commands
 */
#define MBC_LOAD_RAM			1	/* Load RAM. */
#define MBC_EXECUTE_FIRMWARE		2	/* Execute firmware. */
#define MBC_WRITE_RAM_WORD		4	/* Write RAM word. */
#define MBC_READ_RAM_WORD		5	/* Read RAM word. */
#define MBC_MAILBOX_REGISTER_TEST	6	/* Wrap incoming mailboxes */
#define MBC_VERIFY_CHECKSUM		7	/* Verify checksum. */
#define MBC_GET_FIRMWARE_VERSION	8	/* Get firmware revision. */
#define MBC_LOAD_RISC_RAM		9	/* Load RAM command. */
#define MBC_DUMP_RISC_RAM		0xa	/* Dump RAM command. */
#define MBC_LOAD_RISC_RAM_EXTENDED	0xb	/* Load RAM extended. */
#define MBC_DUMP_RISC_RAM_EXTENDED	0xc	/* Dump RAM extended. */
#define MBC_WRITE_RAM_WORD_EXTENDED	0xd	/* Write RAM word extended */
#define MBC_READ_RAM_EXTENDED		0xf	/* Read RAM extended. */
#define MBC_IOCB_COMMAND		0x12	/* Execute IOCB command. */
#define MBC_STOP_FIRMWARE		0x14	/* Stop firmware. */
#define MBC_ABORT_COMMAND		0x15	/* Abort IOCB command. */
#define MBC_ABORT_DEVICE		0x16	/* Abort device (ID/LUN). */
#define MBC_ABORT_TARGET		0x17	/* Abort target (ID). */
#define MBC_RESET			0x18	/* Reset. */
#define MBC_GET_ADAPTER_LOOP_ID		0x20	/* Get loop id of ISP2200. */
#define MBC_GET_RETRY_COUNT		0x22	/* Get f/w retry cnt/delay. */
#define MBC_DISABLE_VI			0x24	/* Disable VI operation. */
#define MBC_ENABLE_VI			0x25	/* Enable VI operation. */
#define MBC_GET_FIRMWARE_OPTION		0x28	/* Get Firmware Options. */
#define MBC_SET_FIRMWARE_OPTION		0x38	/* Set Firmware Options. */
#define MBC_LOOP_PORT_BYPASS		0x40	/* Loop Port Bypass. */
#define MBC_LOOP_PORT_ENABLE		0x41	/* Loop Port Enable. */
#define MBC_GET_RESOURCE_COUNTS		0x42	/* Get Resource Counts. */
#define MBC_NON_PARTICIPATE		0x43	/* Non-Participating Mode. */
#define MBC_DIAGNOSTIC_ECHO		0x44	/* Diagnostic echo. */
#define MBC_DIAGNOSTIC_LOOP_BACK	0x45	/* Diagnostic loop back. */
#define MBC_ONLINE_SELF_TEST		0x46	/* Online self-test. */
#define MBC_ENHANCED_GET_PORT_DATABASE	0x47	/* Get port database + login */
#define MBC_RESET_LINK_STATUS		0x52	/* Reset Link Error Status */
#define MBC_IOCB_COMMAND_A64		0x54	/* Execute IOCB command (64) */
#define MBC_SEND_RNID_ELS		0x57	/* Send RNID ELS request */
#define MBC_SET_RNID_PARAMS		0x59	/* Set RNID parameters */
#define MBC_GET_RNID_PARAMS		0x5a	/* Data Rate */
#define MBC_DATA_RATE			0x5d	/* Get RNID parameters */
#define MBC_INITIALIZE_FIRMWARE		0x60	/* Initialize firmware */
#define MBC_INITIATE_LIP		0x62	/* Initiate Loop */
						/* Initialization Procedure */
#define MBC_GET_FC_AL_POSITION_MAP	0x63	/* Get FC_AL Position Map. */
#define MBC_GET_PORT_DATABASE		0x64	/* Get Port Database. */
#define MBC_CLEAR_ACA			0x65	/* Clear ACA. */
#define MBC_TARGET_RESET		0x66	/* Target Reset. */
#define MBC_CLEAR_TASK_SET		0x67	/* Clear Task Set. */
#define MBC_ABORT_TASK_SET		0x68	/* Abort Task Set. */
#define MBC_GET_FIRMWARE_STATE		0x69	/* Get firmware state. */
#define MBC_GET_PORT_NAME		0x6a	/* Get port name. */
#define MBC_GET_LINK_STATUS		0x6b	/* Get port link status. */
#define MBC_LIP_RESET			0x6c	/* LIP reset. */
#define MBC_SEND_SNS_COMMAND		0x6e	/* Send Simple Name Server */
						/* commandd. */
#define MBC_LOGIN_FABRIC_PORT		0x6f	/* Login fabric port. */
#define MBC_SEND_CHANGE_REQUEST		0x70	/* Send Change Request. */
#define MBC_LOGOUT_FABRIC_PORT		0x71	/* Logout fabric port. */
#define MBC_LIP_FULL_LOGIN		0x72	/* Full login LIP. */
#define MBC_LOGIN_LOOP_PORT		0x74	/* Login Loop Port. */
#define MBC_PORT_NODE_NAME_LIST		0x75	/* Get port/node name list. */
#define MBC_INITIALIZE_RECEIVE_QUEUE	0x77	/* Initialize receive queue */
#define MBC_UNLOAD_IP			0x79	/* Shutdown IP */
#define MBC_GET_ID_LIST			0x7C	/* Get Port ID list. */
#define MBC_SEND_LFA_COMMAND		0x7D	/* Send Loop Fabric Address */
#define MBC_LUN_RESET			0x7E	/* Send LUN reset */

/*
 * ISP24xx mailbox commands
 */
#define MBC_SERDES_PARAMS		0x10	/* Serdes Tx Parameters. */
#define MBC_GET_IOCB_STATUS		0x12	/* Get IOCB status command. */
#define MBC_PORT_PARAMS			0x1A	/* Port iDMA Parameters. */
#define MBC_GET_TIMEOUT_PARAMS		0x22	/* Get FW timeouts. */
#define MBC_TRACE_CONTROL		0x27	/* Trace control command. */
#define MBC_GEN_SYSTEM_ERROR		0x2a	/* Generate System Error. */
#define MBC_READ_SFP			0x31	/* Read SFP Data. */
#define MBC_SET_TIMEOUT_PARAMS		0x32	/* Set FW timeouts. */
#define MBC_MID_INITIALIZE_FIRMWARE	0x48	/* MID Initialize firmware. */
#define MBC_MID_GET_VP_DATABASE		0x49	/* MID Get VP Database. */
#define MBC_MID_GET_VP_ENTRY		0x4a	/* MID Get VP Entry. */
#define MBC_HOST_MEMORY_COPY		0x53	/* Host Memory Copy. */
#define MBC_SEND_RNFT_ELS		0x5e	/* Send RNFT ELS request */
#define MBC_GET_LINK_PRIV_STATS		0x6d	/* Get link & private data. */
#define MBC_SET_VENDOR_ID		0x76	/* Set Vendor ID. */

#define TC_ENABLE			4
#define TC_DISABLE			5

/* Firmware return data sizes */
#define FCAL_MAP_SIZE	128

/* Mailbox bit definitions for out_mb and in_mb */
#define	MBX_31		BIT_31
#define	MBX_30		BIT_30
#define	MBX_29		BIT_29
#define	MBX_28		BIT_28
#define	MBX_27		BIT_27
#define	MBX_26		BIT_26
#define	MBX_25		BIT_25
#define	MBX_24		BIT_24
#define	MBX_23		BIT_23
#define	MBX_22		BIT_22
#define	MBX_21		BIT_21
#define	MBX_20		BIT_20
#define	MBX_19		BIT_19
#define	MBX_18		BIT_18
#define	MBX_17		BIT_17
#define	MBX_16		BIT_16
#define	MBX_15		BIT_15
#define	MBX_14		BIT_14
#define	MBX_13		BIT_13
#define	MBX_12		BIT_12
#define	MBX_11		BIT_11
#define	MBX_10		BIT_10
#define	MBX_9		BIT_9
#define	MBX_8		BIT_8
#define	MBX_7		BIT_7
#define	MBX_6		BIT_6
#define	MBX_5		BIT_5
#define	MBX_4		BIT_4
#define	MBX_3		BIT_3
#define	MBX_2		BIT_2
#define	MBX_1		BIT_1
#define	MBX_0		BIT_0

/*
 * Firmware state codes from get firmware state mailbox command
 */
#define FSTATE_CONFIG_WAIT      0
#define FSTATE_WAIT_AL_PA       1
#define FSTATE_WAIT_LOGIN       2
#define FSTATE_READY            3
#define FSTATE_LOSS_OF_SYNC     4
#define FSTATE_ERROR            5
#define FSTATE_REINIT           6
#define FSTATE_NON_PART         7

#define FSTATE_CONFIG_CORRECT      0
#define FSTATE_P2P_RCV_LIP         1
#define FSTATE_P2P_CHOOSE_LOOP     2
#define FSTATE_P2P_RCV_UNIDEN_LIP  3
#define FSTATE_FATAL_ERROR         4
#define FSTATE_LOOP_BACK_CONN      5

/*
 * Port Database structure definition
 * Little endian except where noted.
 */
#define	PORT_DATABASE_SIZE	128	/* bytes */
typedef struct {
	uint8_t options;
	uint8_t control;
	uint8_t master_state;
	uint8_t slave_state;
	uint8_t reserved[2];
	uint8_t hard_address;
	uint8_t reserved_1;
	uint8_t port_id[4];
	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
	uint16_t execution_throttle;
	uint16_t execution_count;
	uint8_t reset_count;
	uint8_t reserved_2;
	uint16_t resource_allocation;
	uint16_t current_allocation;
	uint16_t queue_head;
	uint16_t queue_tail;
	uint16_t transmit_execution_list_next;
	uint16_t transmit_execution_list_previous;
	uint16_t common_features;
	uint16_t total_concurrent_sequences;
	uint16_t RO_by_information_category;
	uint8_t recipient;
	uint8_t initiator;
	uint16_t receive_data_size;
	uint16_t concurrent_sequences;
	uint16_t open_sequences_per_exchange;
	uint16_t lun_abort_flags;
	uint16_t lun_stop_flags;
	uint16_t stop_queue_head;
	uint16_t stop_queue_tail;
	uint16_t port_retry_timer;
	uint16_t next_sequence_id;
	uint16_t frame_count;
	uint16_t PRLI_payload_length;
	uint8_t prli_svc_param_word_0[2];	/* Big endian */
						/* Bits 15-0 of word 0 */
	uint8_t prli_svc_param_word_3[2];	/* Big endian */
						/* Bits 15-0 of word 3 */
	uint16_t loop_id;
	uint16_t extended_lun_info_list_pointer;
	uint16_t extended_lun_stop_list_pointer;
} port_database_t;

/*
 * Port database slave/master states
 */
#define PD_STATE_DISCOVERY			0
#define PD_STATE_WAIT_DISCOVERY_ACK		1
#define PD_STATE_PORT_LOGIN			2
#define PD_STATE_WAIT_PORT_LOGIN_ACK		3
#define PD_STATE_PROCESS_LOGIN			4
#define PD_STATE_WAIT_PROCESS_LOGIN_ACK		5
#define PD_STATE_PORT_LOGGED_IN			6
#define PD_STATE_PORT_UNAVAILABLE		7
#define PD_STATE_PROCESS_LOGOUT			8
#define PD_STATE_WAIT_PROCESS_LOGOUT_ACK	9
#define PD_STATE_PORT_LOGOUT			10
#define PD_STATE_WAIT_PORT_LOGOUT_ACK		11


#define QLA_ZIO_MODE_6		(BIT_2 | BIT_1)
#define QLA_ZIO_DISABLED	0
#define QLA_ZIO_DEFAULT_TIMER	2

/*
 * ISP Initialization Control Block.
 * Little endian except where noted.
 */
#define	ICB_VERSION 1
typedef struct {
	uint8_t  version;
	uint8_t  reserved_1;

	/*
	 * LSB BIT 0  = Enable Hard Loop Id
	 * LSB BIT 1  = Enable Fairness
	 * LSB BIT 2  = Enable Full-Duplex
	 * LSB BIT 3  = Enable Fast Posting
	 * LSB BIT 4  = Enable Target Mode
	 * LSB BIT 5  = Disable Initiator Mode
	 * LSB BIT 6  = Enable ADISC
	 * LSB BIT 7  = Enable Target Inquiry Data
	 *
	 * MSB BIT 0  = Enable PDBC Notify
	 * MSB BIT 1  = Non Participating LIP
	 * MSB BIT 2  = Descending Loop ID Search
	 * MSB BIT 3  = Acquire Loop ID in LIPA
	 * MSB BIT 4  = Stop PortQ on Full Status
	 * MSB BIT 5  = Full Login after LIP
	 * MSB BIT 6  = Node Name Option
	 * MSB BIT 7  = Ext IFWCB enable bit
	 */
	uint8_t  firmware_options[2];

	uint16_t frame_payload_size;
	uint16_t max_iocb_allocation;
	uint16_t execution_throttle;
	uint8_t  retry_count;
	uint8_t	 retry_delay;			/* unused */
	uint8_t	 port_name[WWN_SIZE];		/* Big endian. */
	uint16_t hard_address;
	uint8_t	 inquiry_data;
	uint8_t	 login_timeout;
	uint8_t	 node_name[WWN_SIZE];		/* Big endian. */

	uint16_t request_q_outpointer;
	uint16_t response_q_inpointer;
	uint16_t request_q_length;
	uint16_t response_q_length;
	uint32_t request_q_address[2];
	uint32_t response_q_address[2];

	uint16_t lun_enables;
	uint8_t  command_resource_count;
	uint8_t  immediate_notify_resource_count;
	uint16_t timeout;
	uint8_t  reserved_2[2];

	/*
	 * LSB BIT 0 = Timer Operation mode bit 0
	 * LSB BIT 1 = Timer Operation mode bit 1
	 * LSB BIT 2 = Timer Operation mode bit 2
	 * LSB BIT 3 = Timer Operation mode bit 3
	 * LSB BIT 4 = Init Config Mode bit 0
	 * LSB BIT 5 = Init Config Mode bit 1
	 * LSB BIT 6 = Init Config Mode bit 2
	 * LSB BIT 7 = Enable Non part on LIHA failure
	 *
	 * MSB BIT 0 = Enable class 2
	 * MSB BIT 1 = Enable ACK0
	 * MSB BIT 2 =
	 * MSB BIT 3 =
	 * MSB BIT 4 = FC Tape Enable
	 * MSB BIT 5 = Enable FC Confirm
	 * MSB BIT 6 = Enable command queuing in target mode
	 * MSB BIT 7 = No Logo On Link Down
	 */
	uint8_t	 add_firmware_options[2];

	uint8_t	 response_accumulation_timer;
	uint8_t	 interrupt_delay_timer;

	/*
	 * LSB BIT 0 = Enable Read xfr_rdy
	 * LSB BIT 1 = Soft ID only
	 * LSB BIT 2 =
	 * LSB BIT 3 =
	 * LSB BIT 4 = FCP RSP Payload [0]
	 * LSB BIT 5 = FCP RSP Payload [1] / Sbus enable - 2200
	 * LSB BIT 6 = Enable Out-of-Order frame handling
	 * LSB BIT 7 = Disable Automatic PLOGI on Local Loop
	 *
	 * MSB BIT 0 = Sbus enable - 2300
	 * MSB BIT 1 =
	 * MSB BIT 2 =
	 * MSB BIT 3 =
	 * MSB BIT 4 = LED mode
	 * MSB BIT 5 = enable 50 ohm termination
	 * MSB BIT 6 = Data Rate (2300 only)
	 * MSB BIT 7 = Data Rate (2300 only)
	 */
	uint8_t	 special_options[2];

	uint8_t  reserved_3[26];
} init_cb_t;

/*
 * Get Link Status mailbox command return buffer.
 */
#define GLSO_SEND_RPS	BIT_0
#define GLSO_USE_DID	BIT_3

typedef struct {
	uint32_t	link_fail_cnt;
	uint32_t	loss_sync_cnt;
	uint32_t	loss_sig_cnt;
	uint32_t	prim_seq_err_cnt;
	uint32_t	inval_xmit_word_cnt;
	uint32_t	inval_crc_cnt;
} link_stat_t;

/*
 * NVRAM Command values.
 */
#define NV_START_BIT            BIT_2
#define NV_WRITE_OP             (BIT_26+BIT_24)
#define NV_READ_OP              (BIT_26+BIT_25)
#define NV_ERASE_OP             (BIT_26+BIT_25+BIT_24)
#define NV_MASK_OP              (BIT_26+BIT_25+BIT_24)
#define NV_DELAY_COUNT          10

/*
 * QLogic ISP2100, ISP2200 and ISP2300 NVRAM structure definition.
 */
typedef struct {
	/*
	 * NVRAM header
	 */
	uint8_t	id[4];
	uint8_t	nvram_version;
	uint8_t	reserved_0;

	/*
	 * NVRAM RISC parameter block
	 */
	uint8_t	parameter_block_version;
	uint8_t	reserved_1;

	/*
	 * LSB BIT 0  = Enable Hard Loop Id
	 * LSB BIT 1  = Enable Fairness
	 * LSB BIT 2  = Enable Full-Duplex
	 * LSB BIT 3  = Enable Fast Posting
	 * LSB BIT 4  = Enable Target Mode
	 * LSB BIT 5  = Disable Initiator Mode
	 * LSB BIT 6  = Enable ADISC
	 * LSB BIT 7  = Enable Target Inquiry Data
	 *
	 * MSB BIT 0  = Enable PDBC Notify
	 * MSB BIT 1  = Non Participating LIP
	 * MSB BIT 2  = Descending Loop ID Search
	 * MSB BIT 3  = Acquire Loop ID in LIPA
	 * MSB BIT 4  = Stop PortQ on Full Status
	 * MSB BIT 5  = Full Login after LIP
	 * MSB BIT 6  = Node Name Option
	 * MSB BIT 7  = Ext IFWCB enable bit
	 */
	uint8_t	 firmware_options[2];

	uint16_t frame_payload_size;
	uint16_t max_iocb_allocation;
	uint16_t execution_throttle;
	uint8_t	 retry_count;
	uint8_t	 retry_delay;			/* unused */
	uint8_t	 port_name[WWN_SIZE];		/* Big endian. */
	uint16_t hard_address;
	uint8_t	 inquiry_data;
	uint8_t	 login_timeout;
	uint8_t	 node_name[WWN_SIZE];		/* Big endian. */

	/*
	 * LSB BIT 0 = Timer Operation mode bit 0
	 * LSB BIT 1 = Timer Operation mode bit 1
	 * LSB BIT 2 = Timer Operation mode bit 2
	 * LSB BIT 3 = Timer Operation mode bit 3
	 * LSB BIT 4 = Init Config Mode bit 0
	 * LSB BIT 5 = Init Config Mode bit 1
	 * LSB BIT 6 = Init Config Mode bit 2
	 * LSB BIT 7 = Enable Non part on LIHA failure
	 *
	 * MSB BIT 0 = Enable class 2
	 * MSB BIT 1 = Enable ACK0
	 * MSB BIT 2 =
	 * MSB BIT 3 =
	 * MSB BIT 4 = FC Tape Enable
	 * MSB BIT 5 = Enable FC Confirm
	 * MSB BIT 6 = Enable command queuing in target mode
	 * MSB BIT 7 = No Logo On Link Down
	 */
	uint8_t	 add_firmware_options[2];

	uint8_t	 response_accumulation_timer;
	uint8_t	 interrupt_delay_timer;

	/*
	 * LSB BIT 0 = Enable Read xfr_rdy
	 * LSB BIT 1 = Soft ID only
	 * LSB BIT 2 =
	 * LSB BIT 3 =
	 * LSB BIT 4 = FCP RSP Payload [0]
	 * LSB BIT 5 = FCP RSP Payload [1] / Sbus enable - 2200
	 * LSB BIT 6 = Enable Out-of-Order frame handling
	 * LSB BIT 7 = Disable Automatic PLOGI on Local Loop
	 *
	 * MSB BIT 0 = Sbus enable - 2300
	 * MSB BIT 1 =
	 * MSB BIT 2 =
	 * MSB BIT 3 =
	 * MSB BIT 4 = LED mode
	 * MSB BIT 5 = enable 50 ohm termination
	 * MSB BIT 6 = Data Rate (2300 only)
	 * MSB BIT 7 = Data Rate (2300 only)
	 */
	uint8_t	 special_options[2];

	/* Reserved for expanded RISC parameter block */
	uint8_t reserved_2[22];

	/*
	 * LSB BIT 0 = Tx Sensitivity 1G bit 0
	 * LSB BIT 1 = Tx Sensitivity 1G bit 1
	 * LSB BIT 2 = Tx Sensitivity 1G bit 2
	 * LSB BIT 3 = Tx Sensitivity 1G bit 3
	 * LSB BIT 4 = Rx Sensitivity 1G bit 0
	 * LSB BIT 5 = Rx Sensitivity 1G bit 1
	 * LSB BIT 6 = Rx Sensitivity 1G bit 2
	 * LSB BIT 7 = Rx Sensitivity 1G bit 3
	 *
	 * MSB BIT 0 = Tx Sensitivity 2G bit 0
	 * MSB BIT 1 = Tx Sensitivity 2G bit 1
	 * MSB BIT 2 = Tx Sensitivity 2G bit 2
	 * MSB BIT 3 = Tx Sensitivity 2G bit 3
	 * MSB BIT 4 = Rx Sensitivity 2G bit 0
	 * MSB BIT 5 = Rx Sensitivity 2G bit 1
	 * MSB BIT 6 = Rx Sensitivity 2G bit 2
	 * MSB BIT 7 = Rx Sensitivity 2G bit 3
	 *
	 * LSB BIT 0 = Output Swing 1G bit 0
	 * LSB BIT 1 = Output Swing 1G bit 1
	 * LSB BIT 2 = Output Swing 1G bit 2
	 * LSB BIT 3 = Output Emphasis 1G bit 0
	 * LSB BIT 4 = Output Emphasis 1G bit 1
	 * LSB BIT 5 = Output Swing 2G bit 0
	 * LSB BIT 6 = Output Swing 2G bit 1
	 * LSB BIT 7 = Output Swing 2G bit 2
	 *
	 * MSB BIT 0 = Output Emphasis 2G bit 0
	 * MSB BIT 1 = Output Emphasis 2G bit 1
	 * MSB BIT 2 = Output Enable
	 * MSB BIT 3 =
	 * MSB BIT 4 =
	 * MSB BIT 5 =
	 * MSB BIT 6 =
	 * MSB BIT 7 =
	 */
	uint8_t seriallink_options[4];

	/*
	 * NVRAM host parameter block
	 *
	 * LSB BIT 0 = Enable spinup delay
	 * LSB BIT 1 = Disable BIOS
	 * LSB BIT 2 = Enable Memory Map BIOS
	 * LSB BIT 3 = Enable Selectable Boot
	 * LSB BIT 4 = Disable RISC code load
	 * LSB BIT 5 = Set cache line size 1
	 * LSB BIT 6 = PCI Parity Disable
	 * LSB BIT 7 = Enable extended logging
	 *
	 * MSB BIT 0 = Enable 64bit addressing
	 * MSB BIT 1 = Enable lip reset
	 * MSB BIT 2 = Enable lip full login
	 * MSB BIT 3 = Enable target reset
	 * MSB BIT 4 = Enable database storage
	 * MSB BIT 5 = Enable cache flush read
	 * MSB BIT 6 = Enable database load
	 * MSB BIT 7 = Enable alternate WWN
	 */
	uint8_t host_p[2];

	uint8_t boot_node_name[WWN_SIZE];
	uint8_t boot_lun_number;
	uint8_t reset_delay;
	uint8_t port_down_retry_count;
	uint8_t boot_id_number;
	uint16_t max_luns_per_target;
	uint8_t fcode_boot_port_name[WWN_SIZE];
	uint8_t alternate_port_name[WWN_SIZE];
	uint8_t alternate_node_name[WWN_SIZE];

	/*
	 * BIT 0 = Selective Login
	 * BIT 1 = Alt-Boot Enable
	 * BIT 2 =
	 * BIT 3 = Boot Order List
	 * BIT 4 =
	 * BIT 5 = Selective LUN
	 * BIT 6 =
	 * BIT 7 = unused
	 */
	uint8_t efi_parameters;

	uint8_t link_down_timeout;

	uint8_t adapter_id[16];

	uint8_t alt1_boot_node_name[WWN_SIZE];
	uint16_t alt1_boot_lun_number;
	uint8_t alt2_boot_node_name[WWN_SIZE];
	uint16_t alt2_boot_lun_number;
	uint8_t alt3_boot_node_name[WWN_SIZE];
	uint16_t alt3_boot_lun_number;
	uint8_t alt4_boot_node_name[WWN_SIZE];
	uint16_t alt4_boot_lun_number;
	uint8_t alt5_boot_node_name[WWN_SIZE];
	uint16_t alt5_boot_lun_number;
	uint8_t alt6_boot_node_name[WWN_SIZE];
	uint16_t alt6_boot_lun_number;
	uint8_t alt7_boot_node_name[WWN_SIZE];
	uint16_t alt7_boot_lun_number;

	uint8_t reserved_3[2];

	/* Offset 200-215 : Model Number */
	uint8_t model_number[16];

	/* OEM related items */
	uint8_t oem_specific[16];

	/*
	 * NVRAM Adapter Features offset 232-239
	 *
	 * LSB BIT 0 = External GBIC
	 * LSB BIT 1 = Risc RAM parity
	 * LSB BIT 2 = Buffer Plus Module
	 * LSB BIT 3 = Multi Chip Adapter
	 * LSB BIT 4 = Internal connector
	 * LSB BIT 5 =
	 * LSB BIT 6 =
	 * LSB BIT 7 =
	 *
	 * MSB BIT 0 =
	 * MSB BIT 1 =
	 * MSB BIT 2 =
	 * MSB BIT 3 =
	 * MSB BIT 4 =
	 * MSB BIT 5 =
	 * MSB BIT 6 =
	 * MSB BIT 7 =
	 */
	uint8_t	adapter_features[2];

	uint8_t reserved_4[16];

	/* Subsystem vendor ID for ISP2200 */
	uint16_t subsystem_vendor_id_2200;

	/* Subsystem device ID for ISP2200 */
	uint16_t subsystem_device_id_2200;

	uint8_t	 reserved_5;
	uint8_t	 checksum;
} nvram_t;

/*
 * ISP queue - response queue entry definition.
 */
typedef struct {
	uint8_t		data[60];
	uint32_t	signature;
#define RESPONSE_PROCESSED	0xDEADDEAD	/* Signature */
} response_t;

typedef union {
	uint16_t extended;
	struct {
		uint8_t reserved;
		uint8_t standard;
	} id;
} target_id_t;

#define SET_TARGET_ID(ha, to, from)			\
do {							\
	if (HAS_EXTENDED_IDS(ha))			\
		to.extended = cpu_to_le16(from);	\
	else						\
		to.id.standard = (uint8_t)from;		\
} while (0)

/*
 * ISP queue - command entry structure definition.
 */
#define COMMAND_TYPE	0x11		/* Command entry */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t sys_define;		/* System defined. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t handle;		/* System handle. */
	target_id_t target;		/* SCSI ID */
	uint16_t lun;			/* SCSI LUN */
	uint16_t control_flags;		/* Control flags. */
#define CF_WRITE	BIT_6
#define CF_READ		BIT_5
#define CF_SIMPLE_TAG	BIT_3
#define CF_ORDERED_TAG	BIT_2
#define CF_HEAD_TAG	BIT_1
	uint16_t reserved_1;
	uint16_t timeout;		/* Command timeout. */
	uint16_t dseg_count;		/* Data segment count. */
	uint8_t scsi_cdb[MAX_CMDSZ]; 	/* SCSI command words. */
	uint32_t byte_count;		/* Total byte count. */
	uint32_t dseg_0_address;	/* Data segment 0 address. */
	uint32_t dseg_0_length;		/* Data segment 0 length. */
	uint32_t dseg_1_address;	/* Data segment 1 address. */
	uint32_t dseg_1_length;		/* Data segment 1 length. */
	uint32_t dseg_2_address;	/* Data segment 2 address. */
	uint32_t dseg_2_length;		/* Data segment 2 length. */
} cmd_entry_t;

/*
 * ISP queue - 64-Bit addressing, command entry structure definition.
 */
#define COMMAND_A64_TYPE	0x19	/* Command A64 entry */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t sys_define;		/* System defined. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t handle;		/* System handle. */
	target_id_t target;		/* SCSI ID */
	uint16_t lun;			/* SCSI LUN */
	uint16_t control_flags;		/* Control flags. */
	uint16_t reserved_1;
	uint16_t timeout;		/* Command timeout. */
	uint16_t dseg_count;		/* Data segment count. */
	uint8_t scsi_cdb[MAX_CMDSZ];	/* SCSI command words. */
	uint32_t byte_count;		/* Total byte count. */
	uint32_t dseg_0_address[2];	/* Data segment 0 address. */
	uint32_t dseg_0_length;		/* Data segment 0 length. */
	uint32_t dseg_1_address[2];	/* Data segment 1 address. */
	uint32_t dseg_1_length;		/* Data segment 1 length. */
} cmd_a64_entry_t, request_t;

/*
 * ISP queue - continuation entry structure definition.
 */
#define CONTINUE_TYPE		0x02	/* Continuation entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t sys_define;		/* System defined. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t reserved;
	uint32_t dseg_0_address;	/* Data segment 0 address. */
	uint32_t dseg_0_length;		/* Data segment 0 length. */
	uint32_t dseg_1_address;	/* Data segment 1 address. */
	uint32_t dseg_1_length;		/* Data segment 1 length. */
	uint32_t dseg_2_address;	/* Data segment 2 address. */
	uint32_t dseg_2_length;		/* Data segment 2 length. */
	uint32_t dseg_3_address;	/* Data segment 3 address. */
	uint32_t dseg_3_length;		/* Data segment 3 length. */
	uint32_t dseg_4_address;	/* Data segment 4 address. */
	uint32_t dseg_4_length;		/* Data segment 4 length. */
	uint32_t dseg_5_address;	/* Data segment 5 address. */
	uint32_t dseg_5_length;		/* Data segment 5 length. */
	uint32_t dseg_6_address;	/* Data segment 6 address. */
	uint32_t dseg_6_length;		/* Data segment 6 length. */
} cont_entry_t;

/*
 * ISP queue - 64-Bit addressing, continuation entry structure definition.
 */
#define CONTINUE_A64_TYPE	0x0A	/* Continuation A64 entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t sys_define;		/* System defined. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t dseg_0_address[2];	/* Data segment 0 address. */
	uint32_t dseg_0_length;		/* Data segment 0 length. */
	uint32_t dseg_1_address[2];	/* Data segment 1 address. */
	uint32_t dseg_1_length;		/* Data segment 1 length. */
	uint32_t dseg_2_address	[2];	/* Data segment 2 address. */
	uint32_t dseg_2_length;		/* Data segment 2 length. */
	uint32_t dseg_3_address[2];	/* Data segment 3 address. */
	uint32_t dseg_3_length;		/* Data segment 3 length. */
	uint32_t dseg_4_address[2];	/* Data segment 4 address. */
	uint32_t dseg_4_length;		/* Data segment 4 length. */
} cont_a64_entry_t;

/*
 * ISP queue - status entry structure definition.
 */
#define	STATUS_TYPE	0x03		/* Status entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t sys_define;		/* System defined. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t handle;		/* System handle. */
	uint16_t scsi_status;		/* SCSI status. */
	uint16_t comp_status;		/* Completion status. */
	uint16_t state_flags;		/* State flags. */
	uint16_t status_flags;		/* Status flags. */
	uint16_t rsp_info_len;		/* Response Info Length. */
	uint16_t req_sense_length;	/* Request sense data length. */
	uint32_t residual_length;	/* Residual transfer length. */
	uint8_t rsp_info[8];		/* FCP response information. */
	uint8_t req_sense_data[32];	/* Request sense data. */
} sts_entry_t;

/*
 * Status entry entry status
 */
#define RF_RQ_DMA_ERROR	BIT_6		/* Request Queue DMA error. */
#define RF_INV_E_ORDER	BIT_5		/* Invalid entry order. */
#define RF_INV_E_COUNT	BIT_4		/* Invalid entry count. */
#define RF_INV_E_PARAM	BIT_3		/* Invalid entry parameter. */
#define RF_INV_E_TYPE	BIT_2		/* Invalid entry type. */
#define RF_BUSY		BIT_1		/* Busy */
#define RF_MASK		(RF_RQ_DMA_ERROR | RF_INV_E_ORDER | RF_INV_E_COUNT | \
			 RF_INV_E_PARAM | RF_INV_E_TYPE | RF_BUSY)
#define RF_MASK_24XX	(RF_INV_E_ORDER | RF_INV_E_COUNT | RF_INV_E_PARAM | \
			 RF_INV_E_TYPE)

/*
 * Status entry SCSI status bit definitions.
 */
#define SS_MASK				0xfff	/* Reserved bits BIT_12-BIT_15*/
#define SS_RESIDUAL_UNDER		BIT_11
#define SS_RESIDUAL_OVER		BIT_10
#define SS_SENSE_LEN_VALID		BIT_9
#define SS_RESPONSE_INFO_LEN_VALID	BIT_8

#define SS_RESERVE_CONFLICT		(BIT_4 | BIT_3)
#define SS_BUSY_CONDITION		BIT_3
#define SS_CONDITION_MET		BIT_2
#define SS_CHECK_CONDITION		BIT_1

/*
 * Status entry completion status
 */
#define CS_COMPLETE		0x0	/* No errors */
#define CS_INCOMPLETE		0x1	/* Incomplete transfer of cmd. */
#define CS_DMA			0x2	/* A DMA direction error. */
#define CS_TRANSPORT		0x3	/* Transport error. */
#define CS_RESET		0x4	/* SCSI bus reset occurred */
#define CS_ABORTED		0x5	/* System aborted command. */
#define CS_TIMEOUT		0x6	/* Timeout error. */
#define CS_DATA_OVERRUN		0x7	/* Data overrun. */

#define CS_DATA_UNDERRUN	0x15	/* Data Underrun. */
#define CS_QUEUE_FULL		0x1C	/* Queue Full. */
#define CS_PORT_UNAVAILABLE	0x28	/* Port unavailable */
					/* (selection timeout) */
#define CS_PORT_LOGGED_OUT	0x29	/* Port Logged Out */
#define CS_PORT_CONFIG_CHG	0x2A	/* Port Configuration Changed */
#define CS_PORT_BUSY		0x2B	/* Port Busy */
#define CS_COMPLETE_CHKCOND	0x30	/* Error? */
#define CS_BAD_PAYLOAD		0x80	/* Driver defined */
#define CS_UNKNOWN		0x81	/* Driver defined */
#define CS_RETRY		0x82	/* Driver defined */
#define CS_LOOP_DOWN_ABORT	0x83	/* Driver defined */

/*
 * Status entry status flags
 */
#define SF_ABTS_TERMINATED	BIT_10
#define SF_LOGOUT_SENT		BIT_13

/*
 * ISP queue - status continuation entry structure definition.
 */
#define	STATUS_CONT_TYPE	0x10	/* Status continuation entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t sys_define;		/* System defined. */
	uint8_t entry_status;		/* Entry Status. */
	uint8_t data[60];		/* data */
} sts_cont_entry_t;

/*
 * ISP queue -	RIO Type 1 status entry (32 bit I/O entry handles)
 *		structure definition.
 */
#define	STATUS_TYPE_21 0x21		/* Status entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t handle[15];		/* System handles. */
} sts21_entry_t;

/*
 * ISP queue -	RIO Type 2 status entry (16 bit I/O entry handles)
 *		structure definition.
 */
#define	STATUS_TYPE_22	0x22		/* Status entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint16_t handle[30];		/* System handles. */
} sts22_entry_t;

/*
 * ISP queue - marker entry structure definition.
 */
#define MARKER_TYPE	0x04		/* Marker entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t sys_define_2;		/* System defined. */
	target_id_t target;		/* SCSI ID */
	uint8_t modifier;		/* Modifier (7-0). */
#define MK_SYNC_ID_LUN	0		/* Synchronize ID/LUN */
#define MK_SYNC_ID	1		/* Synchronize ID */
#define MK_SYNC_ALL	2		/* Synchronize all ID/LUN */
#define MK_SYNC_LIP	3		/* Synchronize all ID/LUN, */
					/* clear port changed, */
					/* use sequence number. */
	uint8_t reserved_1;
	uint16_t sequence_number;	/* Sequence number of event */
	uint16_t lun;			/* SCSI LUN */
	uint8_t reserved_2[48];
} mrk_entry_t;

/*
 * ISP queue - Management Server entry structure definition.
 */
#define MS_IOCB_TYPE		0x29	/* Management Server IOCB entry */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t handle1;		/* System handle. */
	target_id_t loop_id;
	uint16_t status;
	uint16_t control_flags;		/* Control flags. */
	uint16_t reserved2;
	uint16_t timeout;
	uint16_t cmd_dsd_count;
	uint16_t total_dsd_count;
	uint8_t type;
	uint8_t r_ctl;
	uint16_t rx_id;
	uint16_t reserved3;
	uint32_t handle2;
	uint32_t rsp_bytecount;
	uint32_t req_bytecount;
	uint32_t dseg_req_address[2];	/* Data segment 0 address. */
	uint32_t dseg_req_length;	/* Data segment 0 length. */
	uint32_t dseg_rsp_address[2];	/* Data segment 1 address. */
	uint32_t dseg_rsp_length;	/* Data segment 1 length. */
} ms_iocb_entry_t;


/*
 * ISP queue - Mailbox Command entry structure definition.
 */
#define MBX_IOCB_TYPE	0x39
struct mbx_entry {
	uint8_t entry_type;
	uint8_t entry_count;
	uint8_t sys_define1;
	/* Use sys_define1 for source type */
#define SOURCE_SCSI	0x00
#define SOURCE_IP	0x01
#define SOURCE_VI	0x02
#define SOURCE_SCTP	0x03
#define SOURCE_MP	0x04
#define SOURCE_MPIOCTL	0x05
#define SOURCE_ASYNC_IOCB 0x07

	uint8_t entry_status;

	uint32_t handle;
	target_id_t loop_id;

	uint16_t status;
	uint16_t state_flags;
	uint16_t status_flags;

	uint32_t sys_define2[2];

	uint16_t mb0;
	uint16_t mb1;
	uint16_t mb2;
	uint16_t mb3;
	uint16_t mb6;
	uint16_t mb7;
	uint16_t mb9;
	uint16_t mb10;
	uint32_t reserved_2[2];
	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
};

/*
 * ISP request and response queue entry sizes
 */
#define RESPONSE_ENTRY_SIZE	(sizeof(response_t))
#define REQUEST_ENTRY_SIZE	(sizeof(request_t))


/*
 * 24 bit port ID type definition.
 */
typedef union {
	uint32_t b24 : 24;

	struct {
#ifdef __BIG_ENDIAN
		uint8_t domain;
		uint8_t area;
		uint8_t al_pa;
#elif __LITTLE_ENDIAN
		uint8_t al_pa;
		uint8_t area;
		uint8_t domain;
#else
#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined!"
#endif
		uint8_t rsvd_1;
	} b;
} port_id_t;
#define INVALID_PORT_ID	0xFFFFFF

/*
 * Switch info gathering structure.
 */
typedef struct {
	port_id_t d_id;
	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
	uint8_t fabric_port_name[WWN_SIZE];
	uint16_t fp_speeds;
	uint16_t fp_speed;
} sw_info_t;

/*
 * Fibre channel port type.
 */
 typedef enum {
	FCT_UNKNOWN,
	FCT_RSCN,
	FCT_SWITCH,
	FCT_BROADCAST,
	FCT_INITIATOR,
	FCT_TARGET
} fc_port_type_t;

/*
 * Fibre channel port structure.
 */
typedef struct fc_port {
	struct list_head list;
	struct scsi_qla_host *ha;

	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
	port_id_t d_id;
	uint16_t loop_id;
	uint16_t old_loop_id;

	uint8_t fabric_port_name[WWN_SIZE];
	uint16_t fp_speed;

	fc_port_type_t port_type;

	atomic_t state;
	uint32_t flags;

	unsigned int os_target_id;

	int port_login_retry_count;
	int login_retry;
	atomic_t port_down_timer;

	spinlock_t rport_lock;
	struct fc_rport *rport, *drport;
	u32 supported_classes;

	unsigned long last_queue_full;
	unsigned long last_ramp_up;

	struct list_head vp_fcport;
	uint16_t vp_idx;
} fc_port_t;

/*
 * Fibre channel port/lun states.
 */
#define FCS_UNCONFIGURED	1
#define FCS_DEVICE_DEAD		2
#define FCS_DEVICE_LOST		3
#define FCS_ONLINE		4
#define FCS_NOT_SUPPORTED	5
#define FCS_FAILOVER		6
#define FCS_FAILOVER_FAILED	7

/*
 * FC port flags.
 */
#define FCF_FABRIC_DEVICE	BIT_0
#define FCF_LOGIN_NEEDED	BIT_1
#define FCF_FO_MASKED		BIT_2
#define FCF_FAILOVER_NEEDED	BIT_3
#define FCF_RESET_NEEDED	BIT_4
#define FCF_PERSISTENT_BOUND	BIT_5
#define FCF_TAPE_PRESENT	BIT_6
#define FCF_FARP_DONE		BIT_7
#define FCF_FARP_FAILED		BIT_8
#define FCF_FARP_REPLY_NEEDED	BIT_9
#define FCF_AUTH_REQ		BIT_10
#define FCF_SEND_AUTH_REQ	BIT_11
#define FCF_RECEIVE_AUTH_REQ	BIT_12
#define FCF_AUTH_SUCCESS	BIT_13
#define FCF_RLC_SUPPORT		BIT_14
#define FCF_CONFIG		BIT_15	/* Needed? */
#define FCF_RESCAN_NEEDED	BIT_16
#define FCF_XP_DEVICE		BIT_17
#define FCF_MSA_DEVICE		BIT_18
#define FCF_EVA_DEVICE		BIT_19
#define FCF_MSA_PORT_ACTIVE	BIT_20
#define FCF_FAILBACK_DISABLE	BIT_21
#define FCF_FAILOVER_DISABLE	BIT_22
#define FCF_DSXXX_DEVICE	BIT_23
#define FCF_AA_EVA_DEVICE	BIT_24
#define FCF_AA_MSA_DEVICE	BIT_25

/* No loop ID flag. */
#define FC_NO_LOOP_ID		0x1000

/*
 * FC-CT interface
 *
 * NOTE: All structures are big-endian in form.
 */

#define CT_REJECT_RESPONSE	0x8001
#define CT_ACCEPT_RESPONSE	0x8002
#define CT_REASON_INVALID_COMMAND_CODE	0x01
#define CT_REASON_CANNOT_PERFORM	0x09
#define CT_EXPL_ALREADY_REGISTERED	0x10

#define NS_N_PORT_TYPE	0x01
#define NS_NL_PORT_TYPE	0x02
#define NS_NX_PORT_TYPE	0x7F

#define	GA_NXT_CMD	0x100
#define	GA_NXT_REQ_SIZE	(16 + 4)
#define	GA_NXT_RSP_SIZE	(16 + 620)

#define	GID_PT_CMD	0x1A1
#define	GID_PT_REQ_SIZE	(16 + 4)
#define	GID_PT_RSP_SIZE	(16 + (MAX_FIBRE_DEVICES * 4))

#define	GPN_ID_CMD	0x112
#define	GPN_ID_REQ_SIZE	(16 + 4)
#define	GPN_ID_RSP_SIZE	(16 + 8)

#define	GNN_ID_CMD	0x113
#define	GNN_ID_REQ_SIZE	(16 + 4)
#define	GNN_ID_RSP_SIZE	(16 + 8)

#define	GFT_ID_CMD	0x117
#define	GFT_ID_REQ_SIZE	(16 + 4)
#define	GFT_ID_RSP_SIZE	(16 + 32)

#define	RFT_ID_CMD	0x217
#define	RFT_ID_REQ_SIZE	(16 + 4 + 32)
#define	RFT_ID_RSP_SIZE	16

#define	RFF_ID_CMD	0x21F
#define	RFF_ID_REQ_SIZE	(16 + 4 + 2 + 1 + 1)
#define	RFF_ID_RSP_SIZE	16

#define	RNN_ID_CMD	0x213
#define	RNN_ID_REQ_SIZE	(16 + 4 + 8)
#define	RNN_ID_RSP_SIZE	16

#define	RSNN_NN_CMD	 0x239
#define	RSNN_NN_REQ_SIZE (16 + 8 + 1 + 255)
#define	RSNN_NN_RSP_SIZE 16

#define	GFPN_ID_CMD	0x11C
#define	GFPN_ID_REQ_SIZE (16 + 4)
#define	GFPN_ID_RSP_SIZE (16 + 8)

#define	GPSC_CMD	0x127
#define	GPSC_REQ_SIZE	(16 + 8)
#define	GPSC_RSP_SIZE	(16 + 2 + 2)


/*
 * HBA attribute types.
 */
#define FDMI_HBA_ATTR_COUNT			9
#define FDMI_HBA_NODE_NAME			1
#define FDMI_HBA_MANUFACTURER			2
#define FDMI_HBA_SERIAL_NUMBER			3
#define FDMI_HBA_MODEL				4
#define FDMI_HBA_MODEL_DESCRIPTION		5
#define FDMI_HBA_HARDWARE_VERSION		6
#define FDMI_HBA_DRIVER_VERSION			7
#define FDMI_HBA_OPTION_ROM_VERSION		8
#define FDMI_HBA_FIRMWARE_VERSION		9
#define FDMI_HBA_OS_NAME_AND_VERSION		0xa
#define FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH	0xb

struct ct_fdmi_hba_attr {
	uint16_t type;
	uint16_t len;
	union {
		uint8_t node_name[WWN_SIZE];
		uint8_t manufacturer[32];
		uint8_t serial_num[8];
		uint8_t model[16];
		uint8_t model_desc[80];
		uint8_t hw_version[16];
		uint8_t driver_version[32];
		uint8_t orom_version[16];
		uint8_t fw_version[16];
		uint8_t os_version[128];
		uint8_t max_ct_len[4];
	} a;
};

struct ct_fdmi_hba_attributes {
	uint32_t count;
	struct ct_fdmi_hba_attr entry[FDMI_HBA_ATTR_COUNT];
};

/*
 * Port attribute types.
 */
#define FDMI_PORT_ATTR_COUNT		5
#define FDMI_PORT_FC4_TYPES		1
#define FDMI_PORT_SUPPORT_SPEED		2
#define FDMI_PORT_CURRENT_SPEED		3
#define FDMI_PORT_MAX_FRAME_SIZE	4
#define FDMI_PORT_OS_DEVICE_NAME	5
#define FDMI_PORT_HOST_NAME		6

struct ct_fdmi_port_attr {
	uint16_t type;
	uint16_t len;
	union {
		uint8_t fc4_types[32];
		uint32_t sup_speed;
		uint32_t cur_speed;
		uint32_t max_frame_size;
		uint8_t os_dev_name[32];
		uint8_t host_name[32];
	} a;
};

/*
 * Port Attribute Block.
 */
struct ct_fdmi_port_attributes {
	uint32_t count;
	struct ct_fdmi_port_attr entry[FDMI_PORT_ATTR_COUNT];
};

/* FDMI definitions. */
#define GRHL_CMD	0x100
#define GHAT_CMD	0x101
#define GRPL_CMD	0x102
#define GPAT_CMD	0x110

#define RHBA_CMD	0x200
#define RHBA_RSP_SIZE	16

#define RHAT_CMD	0x201
#define RPRT_CMD	0x210

#define RPA_CMD		0x211
#define RPA_RSP_SIZE	16

#define DHBA_CMD	0x300
#define DHBA_REQ_SIZE	(16 + 8)
#define DHBA_RSP_SIZE	16

#define DHAT_CMD	0x301
#define DPRT_CMD	0x310
#define DPA_CMD		0x311

/* CT command header -- request/response common fields */
struct ct_cmd_hdr {
	uint8_t revision;
	uint8_t in_id[3];
	uint8_t gs_type;
	uint8_t gs_subtype;
	uint8_t options;
	uint8_t reserved;
};

/* CT command request */
struct ct_sns_req {
	struct ct_cmd_hdr header;
	uint16_t command;
	uint16_t max_rsp_size;
	uint8_t fragment_id;
	uint8_t reserved[3];

	union {
		/* GA_NXT, GPN_ID, GNN_ID, GFT_ID, GFPN_ID */
		struct {
			uint8_t reserved;
			uint8_t port_id[3];
		} port_id;

		struct {
			uint8_t port_type;
			uint8_t domain;
			uint8_t area;
			uint8_t reserved;
		} gid_pt;

		struct {
			uint8_t reserved;
			uint8_t port_id[3];
			uint8_t fc4_types[32];
		} rft_id;

		struct {
			uint8_t reserved;
			uint8_t port_id[3];
			uint16_t reserved2;
			uint8_t fc4_feature;
			uint8_t fc4_type;
		} rff_id;

		struct {
			uint8_t reserved;
			uint8_t port_id[3];
			uint8_t node_name[8];
		} rnn_id;

		struct {
			uint8_t node_name[8];
			uint8_t name_len;
			uint8_t sym_node_name[255];
		} rsnn_nn;

		struct {
			uint8_t hba_indentifier[8];
		} ghat;

		struct {
			uint8_t hba_identifier[8];
			uint32_t entry_count;
			uint8_t port_name[8];
			struct ct_fdmi_hba_attributes attrs;
		} rhba;

		struct {
			uint8_t hba_identifier[8];
			struct ct_fdmi_hba_attributes attrs;
		} rhat;

		struct {
			uint8_t port_name[8];
			struct ct_fdmi_port_attributes attrs;
		} rpa;

		struct {
			uint8_t port_name[8];
		} dhba;

		struct {
			uint8_t port_name[8];
		} dhat;

		struct {
			uint8_t port_name[8];
		} dprt;

		struct {
			uint8_t port_name[8];
		} dpa;

		struct {
			uint8_t port_name[8];
		} gpsc;
	} req;
};

/* CT command response header */
struct ct_rsp_hdr {
	struct ct_cmd_hdr header;
	uint16_t response;
	uint16_t residual;
	uint8_t fragment_id;
	uint8_t reason_code;
	uint8_t explanation_code;
	uint8_t vendor_unique;
};

struct ct_sns_gid_pt_data {
	uint8_t control_byte;
	uint8_t port_id[3];
};

struct ct_sns_rsp {
	struct ct_rsp_hdr header;

	union {
		struct {
			uint8_t port_type;
			uint8_t port_id[3];
			uint8_t port_name[8];
			uint8_t sym_port_name_len;
			uint8_t sym_port_name[255];
			uint8_t node_name[8];
			uint8_t sym_node_name_len;
			uint8_t sym_node_name[255];
			uint8_t init_proc_assoc[8];
			uint8_t node_ip_addr[16];
			uint8_t class_of_service[4];
			uint8_t fc4_types[32];
			uint8_t ip_address[16];
			uint8_t fabric_port_name[8];
			uint8_t reserved;
			uint8_t hard_address[3];
		} ga_nxt;

		struct {
			struct ct_sns_gid_pt_data entries[MAX_FIBRE_DEVICES];
		} gid_pt;

		struct {
			uint8_t port_name[8];
		} gpn_id;

		struct {
			uint8_t node_name[8];
		} gnn_id;

		struct {
			uint8_t fc4_types[32];
		} gft_id;

		struct {
			uint32_t entry_count;
			uint8_t port_name[8];
			struct ct_fdmi_hba_attributes attrs;
		} ghat;

		struct {
			uint8_t port_name[8];
		} gfpn_id;

		struct {
			uint16_t speeds;
			uint16_t speed;
		} gpsc;
	} rsp;
};

struct ct_sns_pkt {
	union {
		struct ct_sns_req req;
		struct ct_sns_rsp rsp;
	} p;
};

/*
 * SNS command structures -- for 2200 compatability.
 */
#define	RFT_ID_SNS_SCMD_LEN	22
#define	RFT_ID_SNS_CMD_SIZE	60
#define	RFT_ID_SNS_DATA_SIZE	16

#define	RNN_ID_SNS_SCMD_LEN	10
#define	RNN_ID_SNS_CMD_SIZE	36
#define	RNN_ID_SNS_DATA_SIZE	16

#define	GA_NXT_SNS_SCMD_LEN	6
#define	GA_NXT_SNS_CMD_SIZE	28
#define	GA_NXT_SNS_DATA_SIZE	(620 + 16)

#define	GID_PT_SNS_SCMD_LEN	6
#define	GID_PT_SNS_CMD_SIZE	28
#define	GID_PT_SNS_DATA_SIZE	(MAX_FIBRE_DEVICES * 4 + 16)

#define	GPN_ID_SNS_SCMD_LEN	6
#define	GPN_ID_SNS_CMD_SIZE	28
#define	GPN_ID_SNS_DATA_SIZE	(8 + 16)

#define	GNN_ID_SNS_SCMD_LEN	6
#define	GNN_ID_SNS_CMD_SIZE	28
#define	GNN_ID_SNS_DATA_SIZE	(8 + 16)

struct sns_cmd_pkt {
	union {
		struct {
			uint16_t buffer_length;
			uint16_t reserved_1;
			uint32_t buffer_address[2];
			uint16_t subcommand_length;
			uint16_t reserved_2;
			uint16_t subcommand;
			uint16_t size;
			uint32_t reserved_3;
			uint8_t param[36];
		} cmd;

		uint8_t rft_data[RFT_ID_SNS_DATA_SIZE];
		uint8_t rnn_data[RNN_ID_SNS_DATA_SIZE];
		uint8_t gan_data[GA_NXT_SNS_DATA_SIZE];
		uint8_t gid_data[GID_PT_SNS_DATA_SIZE];
		uint8_t gpn_data[GPN_ID_SNS_DATA_SIZE];
		uint8_t gnn_data[GNN_ID_SNS_DATA_SIZE];
	} p;
};

struct fw_blob {
	char *name;
	uint32_t segs[4];
	const struct firmware *fw;
};

/* Return data from MBC_GET_ID_LIST call. */
struct gid_list_info {
	uint8_t	al_pa;
	uint8_t	area;
	uint8_t	domain;
	uint8_t	loop_id_2100;	/* ISP2100/ISP2200 -- 4 bytes. */
	uint16_t loop_id;	/* ISP23XX         -- 6 bytes. */
	uint16_t reserved_1;	/* ISP24XX         -- 8 bytes. */
};
#define GID_LIST_SIZE (sizeof(struct gid_list_info) * MAX_FIBRE_DEVICES)

/* NPIV */
typedef struct vport_info {
	uint8_t		port_name[WWN_SIZE];
	uint8_t		node_name[WWN_SIZE];
	int		vp_id;
	uint16_t	loop_id;
	unsigned long	host_no;
	uint8_t		port_id[3];
	int		loop_state;
} vport_info_t;

typedef struct vport_params {
	uint8_t 	port_name[WWN_SIZE];
	uint8_t 	node_name[WWN_SIZE];
	uint32_t 	options;
#define	VP_OPTS_RETRY_ENABLE	BIT_0
#define	VP_OPTS_VP_DISABLE	BIT_1
} vport_params_t;

/* NPIV - return codes of VP create and modify */
#define VP_RET_CODE_OK			0
#define VP_RET_CODE_FATAL		1
#define VP_RET_CODE_WRONG_ID		2
#define VP_RET_CODE_WWPN		3
#define VP_RET_CODE_RESOURCES		4
#define VP_RET_CODE_NO_MEM		5
#define VP_RET_CODE_NOT_FOUND		6

#define to_qla_parent(x) (((x)->parent) ? (x)->parent : (x))

/*
 * ISP operations
 */
struct isp_operations {

	int (*pci_config) (struct scsi_qla_host *);
	void (*reset_chip) (struct scsi_qla_host *);
	int (*chip_diag) (struct scsi_qla_host *);
	void (*config_rings) (struct scsi_qla_host *);
	void (*reset_adapter) (struct scsi_qla_host *);
	int (*nvram_config) (struct scsi_qla_host *);
	void (*update_fw_options) (struct scsi_qla_host *);
	int (*load_risc) (struct scsi_qla_host *, uint32_t *);

	char * (*pci_info_str) (struct scsi_qla_host *, char *);
	char * (*fw_version_str) (struct scsi_qla_host *, char *);

	irq_handler_t intr_handler;
	void (*enable_intrs) (struct scsi_qla_host *);
	void (*disable_intrs) (struct scsi_qla_host *);

	int (*abort_command) (struct scsi_qla_host *, srb_t *);
	int (*abort_target) (struct fc_port *);
	int (*fabric_login) (struct scsi_qla_host *, uint16_t, uint8_t,
		uint8_t, uint8_t, uint16_t *, uint8_t);
	int (*fabric_logout) (struct scsi_qla_host *, uint16_t, uint8_t,
	    uint8_t, uint8_t);

	uint16_t (*calc_req_entries) (uint16_t);
	void (*build_iocbs) (srb_t *, cmd_entry_t *, uint16_t);
	void * (*prep_ms_iocb) (struct scsi_qla_host *, uint32_t, uint32_t);
	void * (*prep_ms_fdmi_iocb) (struct scsi_qla_host *, uint32_t,
	    uint32_t);

	uint8_t * (*read_nvram) (struct scsi_qla_host *, uint8_t *,
		uint32_t, uint32_t);
	int (*write_nvram) (struct scsi_qla_host *, uint8_t *, uint32_t,
		uint32_t);

	void (*fw_dump) (struct scsi_qla_host *, int);

	int (*beacon_on) (struct scsi_qla_host *);
	int (*beacon_off) (struct scsi_qla_host *);
	void (*beacon_blink) (struct scsi_qla_host *);

	uint8_t * (*read_optrom) (struct scsi_qla_host *, uint8_t *,
		uint32_t, uint32_t);
	int (*write_optrom) (struct scsi_qla_host *, uint8_t *, uint32_t,
		uint32_t);

	int (*get_flash_version) (struct scsi_qla_host *, void *);
};

/* MSI-X Support *************************************************************/

#define QLA_MSIX_CHIP_REV_24XX	3
#define QLA_MSIX_FW_MODE(m)	(((m) & (BIT_7|BIT_8|BIT_9)) >> 7)
#define QLA_MSIX_FW_MODE_1(m)	(QLA_MSIX_FW_MODE(m) == 1)

#define QLA_MSIX_DEFAULT	0x00
#define QLA_MSIX_RSP_Q		0x01

#define QLA_MSIX_ENTRIES	2
#define QLA_MIDX_DEFAULT	0
#define QLA_MIDX_RSP_Q		1

struct scsi_qla_host;

struct qla_msix_entry {
	int have_irq;
	uint16_t msix_vector;
	uint16_t msix_entry;
};

#define	WATCH_INTERVAL		1       /* number of seconds */

/* NPIV */
#define MAX_MULTI_ID_LOOP                     126
#define MAX_MULTI_ID_FABRIC                    64
#define MAX_NUM_VPORT_LOOP                      (MAX_MULTI_ID_LOOP - 1)
#define MAX_NUM_VPORT_FABRIC                    (MAX_MULTI_ID_FABRIC - 1)
#define MAX_NUM_VHBA_LOOP                       (MAX_MULTI_ID_LOOP - 1)
#define MAX_NUM_VHBA_FABRIC                     (MAX_MULTI_ID_FABRIC - 1)

/*
 * Linux Host Adapter structure
 */
typedef struct scsi_qla_host {
	struct list_head list;

	/* Commonly used flags and state information. */
	struct Scsi_Host *host;
	struct pci_dev	*pdev;

	unsigned long	host_no;
	unsigned long	instance;

	volatile struct {
		uint32_t	init_done		:1;
		uint32_t	online			:1;
		uint32_t	mbox_int		:1;
		uint32_t	mbox_busy		:1;
		uint32_t	rscn_queue_overflow	:1;
		uint32_t	reset_active		:1;

		uint32_t	management_server_logged_in :1;
                uint32_t	process_response_queue	:1;

		uint32_t	disable_risc_code_load	:1;
		uint32_t	enable_64bit_addressing	:1;
		uint32_t	enable_lip_reset	:1;
		uint32_t	enable_lip_full_login	:1;
		uint32_t	enable_target_reset	:1;
		uint32_t	enable_led_scheme	:1;
		uint32_t	inta_enabled		:1;
		uint32_t	msi_enabled		:1;
		uint32_t	msix_enabled		:1;
		uint32_t	disable_serdes		:1;
		uint32_t	gpsc_supported		:1;
		uint32_t        vsan_enabled            :1;
		uint32_t	npiv_supported		:1;
	} flags;

	atomic_t	loop_state;
#define LOOP_TIMEOUT	1
#define LOOP_DOWN	2
#define LOOP_UP		3
#define LOOP_UPDATE	4
#define LOOP_READY	5
#define LOOP_DEAD	6

	unsigned long   dpc_flags;
#define	RESET_MARKER_NEEDED	0	/* Send marker to ISP. */
#define	RESET_ACTIVE		1
#define	ISP_ABORT_NEEDED	2	/* Initiate ISP abort. */
#define	ABORT_ISP_ACTIVE	3	/* ISP abort in progress. */
#define	LOOP_RESYNC_NEEDED	4	/* Device Resync needed. */
#define	LOOP_RESYNC_ACTIVE	5
#define LOCAL_LOOP_UPDATE       6	/* Perform a local loop update. */
#define RSCN_UPDATE             7	/* Perform an RSCN update. */
#define MAILBOX_RETRY           8
#define ISP_RESET_NEEDED        9	/* Initiate a ISP reset. */
#define FAILOVER_EVENT_NEEDED   10
#define FAILOVER_EVENT		11
#define FAILOVER_NEEDED   	12
#define SCSI_RESTART_NEEDED	13	/* Processes SCSI retry queue. */
#define PORT_RESTART_NEEDED	14	/* Processes Retry queue. */
#define RESTART_QUEUES_NEEDED	15	/* Restarts the Lun queue. */
#define ABORT_QUEUES_NEEDED	16
#define RELOGIN_NEEDED	        17
#define LOGIN_RETRY_NEEDED	18	/* Initiate required fabric logins. */
#define REGISTER_FC4_NEEDED	19	/* SNS FC4 registration required. */
#define ISP_ABORT_RETRY         20      /* ISP aborted. */
#define FCPORT_RESCAN_NEEDED	21      /* IO descriptor processing needed */
#define IODESC_PROCESS_NEEDED	22      /* IO descriptor processing needed */
#define IOCTL_ERROR_RECOVERY	23
#define LOOP_RESET_NEEDED	24
#define BEACON_BLINK_NEEDED	25
#define REGISTER_FDMI_NEEDED	26
#define FCPORT_UPDATE_NEEDED	27
#define VP_DPC_NEEDED		28	/* wake up for VP dpc handling */

	uint32_t	device_flags;
#define DFLG_LOCAL_DEVICES		BIT_0
#define DFLG_RETRY_LOCAL_DEVICES	BIT_1
#define DFLG_FABRIC_DEVICES		BIT_2
#define	SWITCH_FOUND			BIT_3
#define	DFLG_NO_CABLE			BIT_4

	uint32_t	device_type;
#define DT_ISP2100			BIT_0
#define DT_ISP2200			BIT_1
#define DT_ISP2300			BIT_2
#define DT_ISP2312			BIT_3
#define DT_ISP2322			BIT_4
#define DT_ISP6312			BIT_5
#define DT_ISP6322			BIT_6
#define DT_ISP2422			BIT_7
#define DT_ISP2432			BIT_8
#define DT_ISP5422			BIT_9
#define DT_ISP5432			BIT_10
#define DT_ISP_LAST			(DT_ISP5432 << 1)

#define DT_IIDMA			BIT_26
#define DT_FWI2				BIT_27
#define DT_ZIO_SUPPORTED		BIT_28
#define DT_OEM_001			BIT_29
#define DT_ISP2200A			BIT_30
#define DT_EXTENDED_IDS			BIT_31

#define DT_MASK(ha)	((ha)->device_type & (DT_ISP_LAST - 1))
#define IS_QLA2100(ha)	(DT_MASK(ha) & DT_ISP2100)
#define IS_QLA2200(ha)	(DT_MASK(ha) & DT_ISP2200)
#define IS_QLA2300(ha)	(DT_MASK(ha) & DT_ISP2300)
#define IS_QLA2312(ha)	(DT_MASK(ha) & DT_ISP2312)
#define IS_QLA2322(ha)	(DT_MASK(ha) & DT_ISP2322)
#define IS_QLA6312(ha)	(DT_MASK(ha) & DT_ISP6312)
#define IS_QLA6322(ha)	(DT_MASK(ha) & DT_ISP6322)
#define IS_QLA2422(ha)	(DT_MASK(ha) & DT_ISP2422)
#define IS_QLA2432(ha)	(DT_MASK(ha) & DT_ISP2432)
#define IS_QLA5422(ha)	(DT_MASK(ha) & DT_ISP5422)
#define IS_QLA5432(ha)	(DT_MASK(ha) & DT_ISP5432)

#define IS_QLA23XX(ha)	(IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA2322(ha) || \
    			 IS_QLA6312(ha) || IS_QLA6322(ha))
#define IS_QLA24XX(ha)	(IS_QLA2422(ha) || IS_QLA2432(ha))
#define IS_QLA54XX(ha)	(IS_QLA5422(ha) || IS_QLA5432(ha))

#define IS_IIDMA_CAPABLE(ha)	((ha)->device_type & DT_IIDMA)
#define IS_FWI2_CAPABLE(ha)	((ha)->device_type & DT_FWI2)
#define IS_ZIO_SUPPORTED(ha)	((ha)->device_type & DT_ZIO_SUPPORTED)
#define IS_OEM_001(ha)		((ha)->device_type & DT_OEM_001)
#define HAS_EXTENDED_IDS(ha)	((ha)->device_type & DT_EXTENDED_IDS)

	/* SRB cache. */
#define SRB_MIN_REQ	128
	mempool_t	*srb_mempool;

	/* This spinlock is used to protect "io transactions", you must
	 * acquire it before doing any IO to the card, eg with RD_REG*() and
	 * WRT_REG*() for the duration of your entire commandtransaction.
	 *
	 * This spinlock is of lower priority than the io request lock.
	 */

	spinlock_t		hardware_lock ____cacheline_aligned;

	device_reg_t __iomem *iobase;		/* Base I/O address */
	unsigned long	pio_address;
	unsigned long	pio_length;
#define MIN_IOBASE_LEN		0x100

	/* ISP ring lock, rings, and indexes */
	dma_addr_t	request_dma;        /* Physical address. */
	request_t       *request_ring;      /* Base virtual address */
	request_t       *request_ring_ptr;  /* Current address. */
	uint16_t        req_ring_index;     /* Current index. */
	uint16_t        req_q_cnt;          /* Number of available entries. */
	uint16_t	request_q_length;

	dma_addr_t	response_dma;       /* Physical address. */
	response_t      *response_ring;     /* Base virtual address */
	response_t      *response_ring_ptr; /* Current address. */
	uint16_t        rsp_ring_index;     /* Current index. */
	uint16_t	response_q_length;

	struct isp_operations isp_ops;

	/* Outstandings ISP commands. */
	srb_t		*outstanding_cmds[MAX_OUTSTANDING_COMMANDS];
	uint32_t	current_outstanding_cmd;
	srb_t		*status_srb;	/* Status continuation entry. */

	/* ISP configuration data. */
	uint16_t	loop_id;		/* Host adapter loop id */
	uint16_t	switch_cap;
#define FLOGI_SEQ_DEL		BIT_8
#define FLOGI_MID_SUPPORT	BIT_10
#define FLOGI_VSAN_SUPPORT	BIT_12
#define FLOGI_SP_SUPPORT	BIT_13
	uint16_t	fb_rev;

	port_id_t	d_id;			/* Host adapter port id */
	uint16_t	max_public_loop_ids;
	uint16_t	min_external_loopid;	/* First external loop Id */

#define PORT_SPEED_UNKNOWN 0xFFFF
#define PORT_SPEED_1GB	0x00
#define PORT_SPEED_2GB	0x01
#define PORT_SPEED_4GB	0x03
	uint16_t	link_data_rate;		/* F/W operating speed */

	uint8_t		current_topology;
	uint8_t		prev_topology;
#define ISP_CFG_NL	1
#define ISP_CFG_N	2
#define ISP_CFG_FL	4
#define ISP_CFG_F	8

	uint8_t		operating_mode;		/* F/W operating mode */
#define LOOP      0
#define P2P       1
#define LOOP_P2P  2
#define P2P_LOOP  3

        uint8_t		marker_needed;

	uint8_t		interrupts_on;

	/* HBA serial number */
	uint8_t		serial0;
	uint8_t		serial1;
	uint8_t		serial2;

	/* NVRAM configuration data */
	uint16_t	nvram_size;
	uint16_t	nvram_base;
	uint16_t	vpd_size;
	uint16_t	vpd_base;

	uint16_t	loop_reset_delay;
	uint8_t		retry_count;
	uint8_t		login_timeout;
	uint16_t	r_a_tov;
	int		port_down_retry_count;
	uint8_t		mbx_count;
	uint16_t	last_loop_id;
	uint16_t	mgmt_svr_loop_id;

        uint32_t	login_retry_count;
	int		max_q_depth;

	/* Fibre Channel Device List. */
	struct list_head	fcports;

	/* RSCN queue. */
	uint32_t rscn_queue[MAX_RSCN_COUNT];
	uint8_t rscn_in_ptr;
	uint8_t rscn_out_ptr;

	/* SNS command interfaces. */
	ms_iocb_entry_t		*ms_iocb;
	dma_addr_t		ms_iocb_dma;
	struct ct_sns_pkt	*ct_sns;
	dma_addr_t		ct_sns_dma;
	/* SNS command interfaces for 2200. */
	struct sns_cmd_pkt	*sns_cmd;
	dma_addr_t		sns_cmd_dma;

#define SFP_DEV_SIZE	256
#define SFP_BLOCK_SIZE	64
	void			*sfp_data;
	dma_addr_t		sfp_data_dma;

	struct task_struct	*dpc_thread;
	uint8_t dpc_active;                  /* DPC routine is active */

	/* Timeout timers. */
	uint8_t         loop_down_abort_time;    /* port down timer */
	atomic_t        loop_down_timer;         /* loop down timer */
	uint8_t         link_down_timeout;       /* link down timeout */

	uint32_t        timer_active;
	struct timer_list        timer;

	dma_addr_t	gid_list_dma;
	struct gid_list_info *gid_list;
	int		gid_list_info_size;

	/* Small DMA pool allocations -- maximum 256 bytes in length. */
#define DMA_POOL_SIZE	256
	struct dma_pool *s_dma_pool;

	dma_addr_t	init_cb_dma;
	init_cb_t	*init_cb;
	int		init_cb_size;

	/* These are used by mailbox operations. */
	volatile uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];

	mbx_cmd_t	*mcp;
	unsigned long	mbx_cmd_flags;
#define MBX_INTERRUPT	1
#define MBX_INTR_WAIT	2
#define MBX_UPDATE_FLASH_ACTIVE	3

	struct semaphore mbx_cmd_sem;	/* Serialialize mbx access */
	struct semaphore vport_sem;	/* Virtual port synchronization */
	struct semaphore mbx_intr_sem;  /* Used for completion notification */

	uint32_t	mbx_flags;
#define  MBX_IN_PROGRESS	BIT_0
#define  MBX_BUSY		BIT_1	/* Got the Access */
#define  MBX_SLEEPING_ON_SEM	BIT_2
#define  MBX_POLLING_FOR_COMP	BIT_3
#define  MBX_COMPLETED		BIT_4
#define  MBX_TIMEDOUT		BIT_5
#define  MBX_ACCESS_TIMEDOUT	BIT_6

	mbx_cmd_t 	mc;

	/* Basic firmware related information. */
	uint16_t	fw_major_version;
	uint16_t	fw_minor_version;
	uint16_t	fw_subminor_version;
	uint16_t	fw_attributes;
	uint32_t	fw_memory_size;
	uint32_t	fw_transfer_size;
	uint32_t	fw_srisc_address;
#define RISC_START_ADDRESS_2100 0x1000
#define RISC_START_ADDRESS_2300 0x800
#define RISC_START_ADDRESS_2400 0x100000

	uint16_t	fw_options[16];		/* slots: 1,2,3,10,11 */
	uint8_t		fw_seriallink_options[4];
	uint16_t	fw_seriallink_options24[4];

	/* Firmware dump information. */
	struct qla2xxx_fw_dump *fw_dump;
	uint32_t	fw_dump_len;
	int		fw_dumped;
	int		fw_dump_reading;
	dma_addr_t	eft_dma;
	void		*eft;

	uint8_t		host_str[16];
	uint32_t	pci_attr;
	uint16_t	chip_revision;

	uint16_t	product_id[4];

	uint8_t		model_number[16+1];
#define BINZERO		"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
	char		*model_desc;
	uint8_t		adapter_id[16+1];

	uint8_t		*node_name;
	uint8_t		*port_name;
	uint8_t		fabric_node_name[WWN_SIZE];
	uint32_t    isp_abort_cnt;

	/* Option ROM information. */
	char		*optrom_buffer;
	uint32_t	optrom_size;
	int		optrom_state;
#define QLA_SWAITING	0
#define QLA_SREADING	1
#define QLA_SWRITING	2

        /* PCI expansion ROM image information. */
#define ROM_CODE_TYPE_BIOS	0
#define ROM_CODE_TYPE_FCODE	1
#define ROM_CODE_TYPE_EFI	3
	uint8_t		bios_revision[2];
	uint8_t		efi_revision[2];
	uint8_t		fcode_revision[16];
	uint32_t	fw_revision[4];

	/* Needed for BEACON */
	uint16_t	beacon_blink_led;
	uint8_t		beacon_color_state;
#define QLA_LED_GRN_ON		0x01
#define QLA_LED_YLW_ON		0x02
#define QLA_LED_ABR_ON		0x04
#define QLA_LED_ALL_ON		0x07	/* yellow, green, amber. */
					/* ISP2322: red, green, amber. */

	uint16_t	zio_mode;
	uint16_t	zio_timer;
	struct fc_host_statistics fc_host_stat;

	struct qla_msix_entry msix_entries[QLA_MSIX_ENTRIES];

	struct list_head	vp_list;	/* list of VP */
	struct fc_vport	*fc_vport;	/* holds fc_vport * for each vport */
	uint8_t		vp_idx_map[16];
	uint16_t        num_vhosts;	/* number of vports created */
	uint16_t        num_vsans;	/* number of vsan created */
	uint16_t        vp_idx;		/* vport ID */

	struct scsi_qla_host	*parent;	/* holds pport */
	unsigned long		vp_flags;
	struct list_head	vp_fcports;	/* list of fcports */
#define VP_IDX_ACQUIRED		0	/* bit no 0 */
#define VP_CREATE_NEEDED	1
#define VP_BIND_NEEDED		2
#define VP_DELETE_NEEDED	3
#define VP_SCR_NEEDED		4	/* State Change Request registration */
	atomic_t 		vp_state;
#define VP_OFFLINE		0
#define VP_ACTIVE		1
#define VP_FAILED		2
// #define VP_DISABLE		3
	uint16_t 	vp_err_state;
	uint16_t	vp_prev_err_state;
#define VP_ERR_UNKWN		0
#define VP_ERR_PORTDWN		1
#define VP_ERR_FAB_UNSUPPORTED	2
#define VP_ERR_FAB_NORESOURCES	3
#define VP_ERR_FAB_LOGOUT	4
#define VP_ERR_ADAP_NORESOURCES	5
	int		max_npiv_vports;	/* 63 or 125 per topoloty */
	int		cur_vport_count;
} scsi_qla_host_t;


/*
 * Macros to help code, maintain, etc.
 */
#define LOOP_TRANSITION(ha) \
	(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
	 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
	 atomic_read(&ha->loop_state) == LOOP_DOWN)

#define to_qla_host(x)		((scsi_qla_host_t *) (x)->hostdata)

#define qla_printk(level, ha, format, arg...) \
	dev_printk(level , &((ha)->pdev->dev) , format , ## arg)

/*
 * qla2x00 local function return status codes
 */
#define MBS_MASK		0x3fff

#define QLA_SUCCESS		(MBS_COMMAND_COMPLETE & MBS_MASK)
#define QLA_INVALID_COMMAND	(MBS_INVALID_COMMAND & MBS_MASK)
#define QLA_INTERFACE_ERROR	(MBS_HOST_INTERFACE_ERROR & MBS_MASK)
#define QLA_TEST_FAILED		(MBS_TEST_FAILED & MBS_MASK)
#define QLA_COMMAND_ERROR	(MBS_COMMAND_ERROR & MBS_MASK)
#define QLA_PARAMETER_ERROR	(MBS_COMMAND_PARAMETER_ERROR & MBS_MASK)
#define QLA_PORT_ID_USED	(MBS_PORT_ID_USED & MBS_MASK)
#define QLA_LOOP_ID_USED	(MBS_LOOP_ID_USED & MBS_MASK)
#define QLA_ALL_IDS_IN_USE	(MBS_ALL_IDS_IN_USE & MBS_MASK)
#define QLA_NOT_LOGGED_IN	(MBS_NOT_LOGGED_IN & MBS_MASK)

#define QLA_FUNCTION_TIMEOUT		0x100
#define QLA_FUNCTION_PARAMETER_ERROR	0x101
#define QLA_FUNCTION_FAILED		0x102
#define QLA_MEMORY_ALLOC_FAILED		0x103
#define QLA_LOCK_TIMEOUT		0x104
#define QLA_ABORTED			0x105
#define QLA_SUSPENDED			0x106
#define QLA_BUSY			0x107
#define QLA_RSCNS_HANDLED		0x108
#define QLA_ALREADY_REGISTERED		0x109

#define NVRAM_DELAY()		udelay(10)

#define INVALID_HANDLE	(MAX_OUTSTANDING_COMMANDS+1)

/*
 * Flash support definitions
 */
#define OPTROM_SIZE_2300	0x20000
#define OPTROM_SIZE_2322	0x100000
#define OPTROM_SIZE_24XX	0x100000

#include "qla_gbl.h"
#include "qla_dbg.h"
#include "qla_inline.h"

#define CMD_SP(Cmnd)		((Cmnd)->SCp.ptr)
#define CMD_COMPL_STATUS(Cmnd)  ((Cmnd)->SCp.this_residual)
#define CMD_RESID_LEN(Cmnd)	((Cmnd)->SCp.buffers_residual)
#define CMD_SCSI_STATUS(Cmnd)	((Cmnd)->SCp.Status)
#define CMD_ACTUAL_SNSLEN(Cmnd)	((Cmnd)->SCp.Message)
#define CMD_ENTRY_STATUS(Cmnd)	((Cmnd)->SCp.have_data_in)

#endif
OpenPOWER on IntegriCloud