summaryrefslogtreecommitdiff
path: root/drivers/scsi/aacraid/aacraid.h
blob: 3fa03230f6ba3db0ccf588987ed5bd3660060021 (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
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *	Adaptec AAC series RAID controller driver
 *	(c) Copyright 2001 Red Hat Inc.	<alan@redhat.com>
 *
 * based on the old aacraid driver that is..
 * Adaptec aacraid device driver for Linux.
 *
 * Copyright (c) 2000-2010 Adaptec, Inc.
 *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
 *		 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
 *
 * Module Name:
 *  aacraid.h
 *
 * Abstract: Contains all routines for control of the aacraid driver
 */

#ifndef _AACRAID_H_
#define _AACRAID_H_
#ifndef dprintk
# define dprintk(x)
#endif
/* eg: if (nblank(dprintk(x))) */
#define _nblank(x) #x
#define nblank(x) _nblank(x)[0]

#include <linux/interrupt.h>
#include <linux/completion.h>
#include <linux/pci.h>
#include <scsi/scsi_host.h>

/*------------------------------------------------------------------------------
 *              D E F I N E S
 *----------------------------------------------------------------------------*/

#define AAC_MAX_MSIX		32	/* vectors */
#define AAC_PCI_MSI_ENABLE	0x8000

enum {
	AAC_ENABLE_INTERRUPT	= 0x0,
	AAC_DISABLE_INTERRUPT,
	AAC_ENABLE_MSIX,
	AAC_DISABLE_MSIX,
	AAC_CLEAR_AIF_BIT,
	AAC_CLEAR_SYNC_BIT,
	AAC_ENABLE_INTX
};

#define AAC_INT_MODE_INTX		(1<<0)
#define AAC_INT_MODE_MSI		(1<<1)
#define AAC_INT_MODE_AIF		(1<<2)
#define AAC_INT_MODE_SYNC		(1<<3)
#define AAC_INT_MODE_MSIX		(1<<16)

#define AAC_INT_ENABLE_TYPE1_INTX	0xfffffffb
#define AAC_INT_ENABLE_TYPE1_MSIX	0xfffffffa
#define AAC_INT_DISABLE_ALL		0xffffffff

/* Bit definitions in IOA->Host Interrupt Register */
#define PMC_TRANSITION_TO_OPERATIONAL	(1<<31)
#define PMC_IOARCB_TRANSFER_FAILED	(1<<28)
#define PMC_IOA_UNIT_CHECK		(1<<27)
#define PMC_NO_HOST_RRQ_FOR_CMD_RESPONSE (1<<26)
#define PMC_CRITICAL_IOA_OP_IN_PROGRESS	(1<<25)
#define PMC_IOARRIN_LOST		(1<<4)
#define PMC_SYSTEM_BUS_MMIO_ERROR	(1<<3)
#define PMC_IOA_PROCESSOR_IN_ERROR_STATE (1<<2)
#define PMC_HOST_RRQ_VALID		(1<<1)
#define PMC_OPERATIONAL_STATUS		(1<<31)
#define PMC_ALLOW_MSIX_VECTOR0		(1<<0)

#define PMC_IOA_ERROR_INTERRUPTS	(PMC_IOARCB_TRANSFER_FAILED | \
					 PMC_IOA_UNIT_CHECK | \
					 PMC_NO_HOST_RRQ_FOR_CMD_RESPONSE | \
					 PMC_IOARRIN_LOST | \
					 PMC_SYSTEM_BUS_MMIO_ERROR | \
					 PMC_IOA_PROCESSOR_IN_ERROR_STATE)

#define PMC_ALL_INTERRUPT_BITS		(PMC_IOA_ERROR_INTERRUPTS | \
					 PMC_HOST_RRQ_VALID | \
					 PMC_TRANSITION_TO_OPERATIONAL | \
					 PMC_ALLOW_MSIX_VECTOR0)
#define	PMC_GLOBAL_INT_BIT2		0x00000004
#define	PMC_GLOBAL_INT_BIT0		0x00000001

#ifndef AAC_DRIVER_BUILD
# define AAC_DRIVER_BUILD 50877
# define AAC_DRIVER_BRANCH "-custom"
#endif
#define MAXIMUM_NUM_CONTAINERS	32

#define AAC_NUM_MGT_FIB         8
#define AAC_NUM_IO_FIB		(1024 - AAC_NUM_MGT_FIB)
#define AAC_NUM_FIB		(AAC_NUM_IO_FIB + AAC_NUM_MGT_FIB)

#define AAC_MAX_LUN		256

#define AAC_MAX_HOSTPHYSMEMPAGES (0xfffff)
#define AAC_MAX_32BIT_SGBCOUNT	((unsigned short)256)

#define AAC_DEBUG_INSTRUMENT_AIF_DELETE

#define AAC_MAX_NATIVE_TARGETS		1024
/* Thor: 5 phys. buses: #0: empty, 1-4: 256 targets each */
#define AAC_MAX_BUSES			5
#define AAC_MAX_TARGETS		256
#define AAC_BUS_TARGET_LOOP		(AAC_MAX_BUSES * AAC_MAX_TARGETS)
#define AAC_MAX_NATIVE_SIZE		2048
#define FW_ERROR_BUFFER_SIZE		512

#define get_bus_number(x)	(x/AAC_MAX_TARGETS)
#define get_target_number(x)	(x%AAC_MAX_TARGETS)

/* Thor AIF events */
#define SA_AIF_HOTPLUG			(1<<1)
#define SA_AIF_HARDWARE		(1<<2)
#define SA_AIF_PDEV_CHANGE		(1<<4)
#define SA_AIF_LDEV_CHANGE		(1<<5)
#define SA_AIF_BPSTAT_CHANGE		(1<<30)
#define SA_AIF_BPCFG_CHANGE		(1<<31)

#define HBA_MAX_SG_EMBEDDED		28
#define HBA_MAX_SG_SEPARATE		90
#define HBA_SENSE_DATA_LEN_MAX		32
#define HBA_REQUEST_TAG_ERROR_FLAG	0x00000002
#define HBA_SGL_FLAGS_EXT		0x80000000UL

struct aac_hba_sgl {
	u32		addr_lo; /* Lower 32-bits of SGL element address */
	u32		addr_hi; /* Upper 32-bits of SGL element address */
	u32		len;	/* Length of SGL element in bytes */
	u32		flags;	/* SGL element flags */
};

enum {
	HBA_IU_TYPE_SCSI_CMD_REQ		= 0x40,
	HBA_IU_TYPE_SCSI_TM_REQ			= 0x41,
	HBA_IU_TYPE_SATA_REQ			= 0x42,
	HBA_IU_TYPE_RESP			= 0x60,
	HBA_IU_TYPE_COALESCED_RESP		= 0x61,
	HBA_IU_TYPE_INT_COALESCING_CFG_REQ	= 0x70
};

enum {
	HBA_CMD_BYTE1_DATA_DIR_IN		= 0x1,
	HBA_CMD_BYTE1_DATA_DIR_OUT		= 0x2,
	HBA_CMD_BYTE1_DATA_TYPE_DDR		= 0x4,
	HBA_CMD_BYTE1_CRYPTO_ENABLE		= 0x8
};

enum {
	HBA_CMD_BYTE1_BITOFF_DATA_DIR_IN	= 0x0,
	HBA_CMD_BYTE1_BITOFF_DATA_DIR_OUT,
	HBA_CMD_BYTE1_BITOFF_DATA_TYPE_DDR,
	HBA_CMD_BYTE1_BITOFF_CRYPTO_ENABLE
};

enum {
	HBA_RESP_DATAPRES_NO_DATA		= 0x0,
	HBA_RESP_DATAPRES_RESPONSE_DATA,
	HBA_RESP_DATAPRES_SENSE_DATA
};

enum {
	HBA_RESP_SVCRES_TASK_COMPLETE		= 0x0,
	HBA_RESP_SVCRES_FAILURE,
	HBA_RESP_SVCRES_TMF_COMPLETE,
	HBA_RESP_SVCRES_TMF_SUCCEEDED,
	HBA_RESP_SVCRES_TMF_REJECTED,
	HBA_RESP_SVCRES_TMF_LUN_INVALID
};

enum {
	HBA_RESP_STAT_IO_ERROR			= 0x1,
	HBA_RESP_STAT_IO_ABORTED,
	HBA_RESP_STAT_NO_PATH_TO_DEVICE,
	HBA_RESP_STAT_INVALID_DEVICE,
	HBA_RESP_STAT_HBAMODE_DISABLED		= 0xE,
	HBA_RESP_STAT_UNDERRUN			= 0x51,
	HBA_RESP_STAT_OVERRUN			= 0x75
};

struct aac_hba_cmd_req {
	u8	iu_type;	/* HBA information unit type */
	/*
	 * byte1:
	 * [1:0] DIR - 0=No data, 0x1 = IN, 0x2 = OUT
	 * [2]   TYPE - 0=PCI, 1=DDR
	 * [3]   CRYPTO_ENABLE - 0=Crypto disabled, 1=Crypto enabled
	 */
	u8	byte1;
	u8	reply_qid;	/* Host reply queue to post response to */
	u8	reserved1;
	__le32	it_nexus;	/* Device handle for the request */
	__le32	request_id;	/* Sender context */
	/* Lower 32-bits of tweak value for crypto enabled IOs */
	__le32	tweak_value_lo;
	u8	cdb[16];	/* SCSI CDB of the command */
	u8	lun[8];		/* SCSI LUN of the command */

	/* Total data length in bytes to be read/written (if any) */
	__le32	data_length;

	/* [2:0] Task Attribute, [6:3] Command Priority */
	u8	attr_prio;

	/* Number of SGL elements embedded in the HBA req */
	u8	emb_data_desc_count;

	__le16	dek_index;	/* DEK index for crypto enabled IOs */

	/* Lower 32-bits of reserved error data target location on the host */
	__le32	error_ptr_lo;

	/* Upper 32-bits of reserved error data target location on the host */
	__le32	error_ptr_hi;

	/* Length of reserved error data area on the host in bytes */
	__le32	error_length;

	/* Upper 32-bits of tweak value for crypto enabled IOs */
	__le32	tweak_value_hi;

	struct aac_hba_sgl sge[HBA_MAX_SG_SEPARATE+2]; /* SG list space */

	/*
	 * structure must not exceed
	 * AAC_MAX_NATIVE_SIZE-FW_ERROR_BUFFER_SIZE
	 */
};

/* Task Management Functions (TMF) */
#define HBA_TMF_ABORT_TASK	0x01
#define HBA_TMF_LUN_RESET	0x08

struct aac_hba_tm_req {
	u8	iu_type;	/* HBA information unit type */
	u8	reply_qid;	/* Host reply queue to post response to */
	u8	tmf;		/* Task management function */
	u8	reserved1;

	__le32	it_nexus;	/* Device handle for the command */

	u8	lun[8];		/* SCSI LUN */

	/* Used to hold sender context. */
	__le32	request_id;	/* Sender context */
	__le32	reserved2;

	/* Request identifier of managed task */
	__le32	managed_request_id;	/* Sender context being managed */
	__le32	reserved3;

	/* Lower 32-bits of reserved error data target location on the host */
	__le32	error_ptr_lo;
	/* Upper 32-bits of reserved error data target location on the host */
	__le32	error_ptr_hi;
	/* Length of reserved error data area on the host in bytes */
	__le32	error_length;
};

struct aac_hba_reset_req {
	u8	iu_type;	/* HBA information unit type */
	/* 0 - reset specified device, 1 - reset all devices */
	u8	reset_type;
	u8	reply_qid;	/* Host reply queue to post response to */
	u8	reserved1;

	__le32	it_nexus;	/* Device handle for the command */
	__le32	request_id;	/* Sender context */
	/* Lower 32-bits of reserved error data target location on the host */
	__le32	error_ptr_lo;
	/* Upper 32-bits of reserved error data target location on the host */
	__le32	error_ptr_hi;
	/* Length of reserved error data area on the host in bytes */
	__le32	error_length;
};

struct aac_hba_resp {
	u8	iu_type;		/* HBA information unit type */
	u8	reserved1[3];
	__le32	request_identifier;	/* sender context */
	__le32	reserved2;
	u8	service_response;	/* SCSI service response */
	u8	status;			/* SCSI status */
	u8	datapres;	/* [1:0] - data present, [7:2] - reserved */
	u8	sense_response_data_len;	/* Sense/response data length */
	__le32	residual_count;		/* Residual data length in bytes */
	/* Sense/response data */
	u8	sense_response_buf[HBA_SENSE_DATA_LEN_MAX];
};

struct aac_native_hba {
	union {
		struct aac_hba_cmd_req cmd;
		struct aac_hba_tm_req tmr;
		u8 cmd_bytes[AAC_MAX_NATIVE_SIZE-FW_ERROR_BUFFER_SIZE];
	} cmd;
	union {
		struct aac_hba_resp err;
		u8 resp_bytes[FW_ERROR_BUFFER_SIZE];
	} resp;
};

#define CISS_REPORT_PHYSICAL_LUNS	0xc3
#define WRITE_HOST_WELLNESS		0xa5
#define CISS_IDENTIFY_PHYSICAL_DEVICE	0x15
#define BMIC_IN			0x26
#define BMIC_OUT			0x27

struct aac_ciss_phys_luns_resp {
	u8	list_length[4];		/* LUN list length (N-7, big endian) */
	u8	resp_flag;		/* extended response_flag */
	u8	reserved[3];
	struct _ciss_lun {
		u8	tid[3];		/* Target ID */
		u8	bus;		/* Bus, flag (bits 6,7) */
		u8	level3[2];
		u8	level2[2];
		u8	node_ident[16];	/* phys. node identifier */
	} lun[1];			/* List of phys. devices */
};

/*
 * Interrupts
 */
#define AAC_MAX_HRRQ		64

struct aac_ciss_identify_pd {
	u8 scsi_bus;			/* SCSI Bus number on controller */
	u8 scsi_id;			/* SCSI ID on this bus */
	u16 block_size;			/* sector size in bytes */
	u32 total_blocks;		/* number for sectors on drive */
	u32 reserved_blocks;		/* controller reserved (RIS) */
	u8 model[40];			/* Physical Drive Model */
	u8 serial_number[40];		/* Drive Serial Number */
	u8 firmware_revision[8];	/* drive firmware revision */
	u8 scsi_inquiry_bits;		/* inquiry byte 7 bits */
	u8 compaq_drive_stamp;		/* 0 means drive not stamped */
	u8 last_failure_reason;

	u8  flags;
	u8  more_flags;
	u8  scsi_lun;			/* SCSI LUN for phys drive */
	u8  yet_more_flags;
	u8  even_more_flags;
	u32 spi_speed_rules;		/* SPI Speed :Ultra disable diagnose */
	u8  phys_connector[2];		/* connector number on controller */
	u8  phys_box_on_bus;		/* phys enclosure this drive resides */
	u8  phys_bay_in_box;		/* phys drv bay this drive resides */
	u32 rpm;			/* Drive rotational speed in rpm */
	u8  device_type;		/* type of drive */
	u8  sata_version;		/* only valid when drive_type is SATA */
	u64 big_total_block_count;
	u64 ris_starting_lba;
	u32 ris_size;
	u8  wwid[20];
	u8  controller_phy_map[32];
	u16 phy_count;
	u8  phy_connected_dev_type[256];
	u8  phy_to_drive_bay_num[256];
	u16 phy_to_attached_dev_index[256];
	u8  box_index;
	u8  spitfire_support;
	u16 extra_physical_drive_flags;
	u8  negotiated_link_rate[256];
	u8  phy_to_phy_map[256];
	u8  redundant_path_present_map;
	u8  redundant_path_failure_map;
	u8  active_path_number;
	u16 alternate_paths_phys_connector[8];
	u8  alternate_paths_phys_box_on_port[8];
	u8  multi_lun_device_lun_count;
	u8  minimum_good_fw_revision[8];
	u8  unique_inquiry_bytes[20];
	u8  current_temperature_degreesC;
	u8  temperature_threshold_degreesC;
	u8  max_temperature_degreesC;
	u8  logical_blocks_per_phys_block_exp;	/* phyblocksize = 512 * 2^exp */
	u16 current_queue_depth_limit;
	u8  switch_name[10];
	u16 switch_port;
	u8  alternate_paths_switch_name[40];
	u8  alternate_paths_switch_port[8];
	u16 power_on_hours;		/* valid only if gas gauge supported */
	u16 percent_endurance_used;	/* valid only if gas gauge supported. */
	u8  drive_authentication;
	u8  smart_carrier_authentication;
	u8  smart_carrier_app_fw_version;
	u8  smart_carrier_bootloader_fw_version;
	u8  SanitizeSecureEraseSupport;
	u8  DriveKeyFlags;
	u8  encryption_key_name[64];
	u32 misc_drive_flags;
	u16 dek_index;
	u16 drive_encryption_flags;
	u8  sanitize_maximum_time[6];
	u8  connector_info_mode;
	u8  connector_info_number[4];
	u8  long_connector_name[64];
	u8  device_unique_identifier[16];
	u8  padto_2K[17];
} __packed;

/*
 * These macros convert from physical channels to virtual channels
 */
#define CONTAINER_CHANNEL		(0)
#define NATIVE_CHANNEL			(1)
#define CONTAINER_TO_CHANNEL(cont)	(CONTAINER_CHANNEL)
#define CONTAINER_TO_ID(cont)		(cont)
#define CONTAINER_TO_LUN(cont)		(0)
#define ENCLOSURE_CHANNEL		(3)

#define PMC_DEVICE_S6	0x28b
#define PMC_DEVICE_S7	0x28c
#define PMC_DEVICE_S8	0x28d

#define aac_phys_to_logical(x)  ((x)+1)
#define aac_logical_to_phys(x)  ((x)?(x)-1:0)

/*
 * These macros are for keeping track of
 * character device state.
 */
#define AAC_CHARDEV_UNREGISTERED	(-1)
#define AAC_CHARDEV_NEEDS_REINIT	(-2)

/* #define AAC_DETAILED_STATUS_INFO */

struct diskparm
{
	int heads;
	int sectors;
	int cylinders;
};


/*
 *	Firmware constants
 */

#define		CT_NONE			0
#define		CT_OK			218
#define		FT_FILESYS	8	/* ADAPTEC's "FSA"(tm) filesystem */
#define		FT_DRIVE	9	/* physical disk - addressable in scsi by bus/id/lun */

/*
 *	Host side memory scatter gather list
 *	Used by the adapter for read, write, and readdirplus operations
 *	We have separate 32 and 64 bit version because even
 *	on 64 bit systems not all cards support the 64 bit version
 */
struct sgentry {
	__le32	addr;	/* 32-bit address. */
	__le32	count;	/* Length. */
};

struct user_sgentry {
	u32	addr;	/* 32-bit address. */
	u32	count;	/* Length. */
};

struct sgentry64 {
	__le32	addr[2];	/* 64-bit addr. 2 pieces for data alignment */
	__le32	count;	/* Length. */
};

struct user_sgentry64 {
	u32	addr[2];	/* 64-bit addr. 2 pieces for data alignment */
	u32	count;	/* Length. */
};

struct sgentryraw {
	__le32		next;	/* reserved for F/W use */
	__le32		prev;	/* reserved for F/W use */
	__le32		addr[2];
	__le32		count;
	__le32		flags;	/* reserved for F/W use */
};

struct user_sgentryraw {
	u32		next;	/* reserved for F/W use */
	u32		prev;	/* reserved for F/W use */
	u32		addr[2];
	u32		count;
	u32		flags;	/* reserved for F/W use */
};

struct sge_ieee1212 {
	u32	addrLow;
	u32	addrHigh;
	u32	length;
	u32	flags;
};

/*
 *	SGMAP
 *
 *	This is the SGMAP structure for all commands that use
 *	32-bit addressing.
 */

struct sgmap {
	__le32		count;
	struct sgentry	sg[1];
};

struct user_sgmap {
	u32		count;
	struct user_sgentry	sg[1];
};

struct sgmap64 {
	__le32		count;
	struct sgentry64 sg[1];
};

struct user_sgmap64 {
	u32		count;
	struct user_sgentry64 sg[1];
};

struct sgmapraw {
	__le32		  count;
	struct sgentryraw sg[1];
};

struct user_sgmapraw {
	u32		  count;
	struct user_sgentryraw sg[1];
};

struct creation_info
{
	u8		buildnum;		/* e.g., 588 */
	u8		usec;			/* e.g., 588 */
	u8		via;			/* e.g., 1 = FSU,
						 *	 2 = API
						 */
	u8		year;			/* e.g., 1997 = 97 */
	__le32		date;			/*
						 * unsigned	Month		:4;	// 1 - 12
						 * unsigned	Day		:6;	// 1 - 32
						 * unsigned	Hour		:6;	// 0 - 23
						 * unsigned	Minute		:6;	// 0 - 60
						 * unsigned	Second		:6;	// 0 - 60
						 */
	__le32		serial[2];			/* e.g., 0x1DEADB0BFAFAF001 */
};


/*
 *	Define all the constants needed for the communication interface
 */

/*
 *	Define how many queue entries each queue will have and the total
 *	number of entries for the entire communication interface. Also define
 *	how many queues we support.
 *
 *	This has to match the controller
 */

#define NUMBER_OF_COMM_QUEUES  8   // 4 command; 4 response
#define HOST_HIGH_CMD_ENTRIES  4
#define HOST_NORM_CMD_ENTRIES  8
#define ADAP_HIGH_CMD_ENTRIES  4
#define ADAP_NORM_CMD_ENTRIES  512
#define HOST_HIGH_RESP_ENTRIES 4
#define HOST_NORM_RESP_ENTRIES 512
#define ADAP_HIGH_RESP_ENTRIES 4
#define ADAP_NORM_RESP_ENTRIES 8

#define TOTAL_QUEUE_ENTRIES  \
    (HOST_NORM_CMD_ENTRIES + HOST_HIGH_CMD_ENTRIES + ADAP_NORM_CMD_ENTRIES + ADAP_HIGH_CMD_ENTRIES + \
	    HOST_NORM_RESP_ENTRIES + HOST_HIGH_RESP_ENTRIES + ADAP_NORM_RESP_ENTRIES + ADAP_HIGH_RESP_ENTRIES)


/*
 *	Set the queues on a 16 byte alignment
 */

#define QUEUE_ALIGNMENT		16

/*
 *	The queue headers define the Communication Region queues. These
 *	are physically contiguous and accessible by both the adapter and the
 *	host. Even though all queue headers are in the same contiguous block
 *	they will be represented as individual units in the data structures.
 */

struct aac_entry {
	__le32 size; /* Size in bytes of Fib which this QE points to */
	__le32 addr; /* Receiver address of the FIB */
};

/*
 *	The adapter assumes the ProducerIndex and ConsumerIndex are grouped
 *	adjacently and in that order.
 */

struct aac_qhdr {
	__le64 header_addr;/* Address to hand the adapter to access
			      to this queue head */
	__le32 *producer; /* The producer index for this queue (host address) */
	__le32 *consumer; /* The consumer index for this queue (host address) */
};

/*
 *	Define all the events which the adapter would like to notify
 *	the host of.
 */

#define		HostNormCmdQue		1	/* Change in host normal priority command queue */
#define		HostHighCmdQue		2	/* Change in host high priority command queue */
#define		HostNormRespQue		3	/* Change in host normal priority response queue */
#define		HostHighRespQue		4	/* Change in host high priority response queue */
#define		AdapNormRespNotFull	5
#define		AdapHighRespNotFull	6
#define		AdapNormCmdNotFull	7
#define		AdapHighCmdNotFull	8
#define		SynchCommandComplete	9
#define		AdapInternalError	0xfe    /* The adapter detected an internal error shutting down */

/*
 *	Define all the events the host wishes to notify the
 *	adapter of. The first four values much match the Qid the
 *	corresponding queue.
 */

#define		AdapNormCmdQue		2
#define		AdapHighCmdQue		3
#define		AdapNormRespQue		6
#define		AdapHighRespQue		7
#define		HostShutdown		8
#define		HostPowerFail		9
#define		FatalCommError		10
#define		HostNormRespNotFull	11
#define		HostHighRespNotFull	12
#define		HostNormCmdNotFull	13
#define		HostHighCmdNotFull	14
#define		FastIo			15
#define		AdapPrintfDone		16

/*
 *	Define all the queues that the adapter and host use to communicate
 *	Number them to match the physical queue layout.
 */

enum aac_queue_types {
        HostNormCmdQueue = 0,	/* Adapter to host normal priority command traffic */
        HostHighCmdQueue,	/* Adapter to host high priority command traffic */
        AdapNormCmdQueue,	/* Host to adapter normal priority command traffic */
        AdapHighCmdQueue,	/* Host to adapter high priority command traffic */
        HostNormRespQueue,	/* Adapter to host normal priority response traffic */
        HostHighRespQueue,	/* Adapter to host high priority response traffic */
        AdapNormRespQueue,	/* Host to adapter normal priority response traffic */
        AdapHighRespQueue	/* Host to adapter high priority response traffic */
};

/*
 *	Assign type values to the FSA communication data structures
 */

#define		FIB_MAGIC	0x0001
#define		FIB_MAGIC2	0x0004
#define		FIB_MAGIC2_64	0x0005

/*
 *	Define the priority levels the FSA communication routines support.
 */

#define		FsaNormal	1

/* transport FIB header (PMC) */
struct aac_fib_xporthdr {
	__le64	HostAddress;	/* FIB host address w/o xport header */
	__le32	Size;		/* FIB size excluding xport header */
	__le32	Handle;		/* driver handle to reference the FIB */
	__le64	Reserved[2];
};

#define		ALIGN32		32

/*
 * Define the FIB. The FIB is the where all the requested data and
 * command information are put to the application on the FSA adapter.
 */

struct aac_fibhdr {
	__le32 XferState;	/* Current transfer state for this CCB */
	__le16 Command;		/* Routing information for the destination */
	u8 StructType;		/* Type FIB */
	u8 Unused;		/* Unused */
	__le16 Size;		/* Size of this FIB in bytes */
	__le16 SenderSize;	/* Size of the FIB in the sender
				   (for response sizing) */
	__le32 SenderFibAddress;  /* Host defined data in the FIB */
	union {
		__le32 ReceiverFibAddress;/* Logical address of this FIB for
				     the adapter (old) */
		__le32 SenderFibAddressHigh;/* upper 32bit of phys. FIB address */
		__le32 TimeStamp;	/* otherwise timestamp for FW internal use */
	} u;
	__le32 Handle;		/* FIB handle used for MSGU commnunication */
	u32 Previous;		/* FW internal use */
	u32 Next;		/* FW internal use */
};

struct hw_fib {
	struct aac_fibhdr header;
	u8 data[512-sizeof(struct aac_fibhdr)];	// Command specific data
};

/*
 *	FIB commands
 */

#define		TestCommandResponse		1
#define		TestAdapterCommand		2
/*
 *	Lowlevel and comm commands
 */
#define		LastTestCommand			100
#define		ReinitHostNormCommandQueue	101
#define		ReinitHostHighCommandQueue	102
#define		ReinitHostHighRespQueue		103
#define		ReinitHostNormRespQueue		104
#define		ReinitAdapNormCommandQueue	105
#define		ReinitAdapHighCommandQueue	107
#define		ReinitAdapHighRespQueue		108
#define		ReinitAdapNormRespQueue		109
#define		InterfaceShutdown		110
#define		DmaCommandFib			120
#define		StartProfile			121
#define		TermProfile			122
#define		SpeedTest			123
#define		TakeABreakPt			124
#define		RequestPerfData			125
#define		SetInterruptDefTimer		126
#define		SetInterruptDefCount		127
#define		GetInterruptDefStatus		128
#define		LastCommCommand			129
/*
 *	Filesystem commands
 */
#define		NuFileSystem			300
#define		UFS				301
#define		HostFileSystem			302
#define		LastFileSystemCommand		303
/*
 *	Container Commands
 */
#define		ContainerCommand		500
#define		ContainerCommand64		501
#define		ContainerRawIo			502
#define		ContainerRawIo2			503
/*
 *	Scsi Port commands (scsi passthrough)
 */
#define		ScsiPortCommand			600
#define		ScsiPortCommand64		601
/*
 *	Misc house keeping and generic adapter initiated commands
 */
#define		AifRequest			700
#define		CheckRevision			701
#define		FsaHostShutdown			702
#define		RequestAdapterInfo		703
#define		IsAdapterPaused			704
#define		SendHostTime			705
#define		RequestSupplementAdapterInfo	706
#define		LastMiscCommand			707

/*
 * Commands that will target the failover level on the FSA adapter
 */

enum fib_xfer_state {
	HostOwned			= (1<<0),
	AdapterOwned			= (1<<1),
	FibInitialized			= (1<<2),
	FibEmpty			= (1<<3),
	AllocatedFromPool		= (1<<4),
	SentFromHost			= (1<<5),
	SentFromAdapter			= (1<<6),
	ResponseExpected		= (1<<7),
	NoResponseExpected		= (1<<8),
	AdapterProcessed		= (1<<9),
	HostProcessed			= (1<<10),
	HighPriority			= (1<<11),
	NormalPriority			= (1<<12),
	Async				= (1<<13),
	AsyncIo				= (1<<13),	// rpbfix: remove with new regime
	PageFileIo			= (1<<14),	// rpbfix: remove with new regime
	ShutdownRequest			= (1<<15),
	LazyWrite			= (1<<16),	// rpbfix: remove with new regime
	AdapterMicroFib			= (1<<17),
	BIOSFibPath			= (1<<18),
	FastResponseCapable		= (1<<19),
	ApiFib				= (1<<20),	/* Its an API Fib */
	/* PMC NEW COMM: There is no more AIF data pending */
	NoMoreAifDataAvailable		= (1<<21)
};

/*
 *	The following defines needs to be updated any time there is an
 *	incompatible change made to the aac_init structure.
 */

#define ADAPTER_INIT_STRUCT_REVISION		3
#define ADAPTER_INIT_STRUCT_REVISION_4		4 // rocket science
#define ADAPTER_INIT_STRUCT_REVISION_6		6 /* PMC src */
#define ADAPTER_INIT_STRUCT_REVISION_7		7 /* Denali */
#define ADAPTER_INIT_STRUCT_REVISION_8		8 // Thor

union aac_init
{
	struct _r7 {
		__le32	init_struct_revision;
		__le32	no_of_msix_vectors;
		__le32	fsrev;
		__le32	comm_header_address;
		__le32	fast_io_comm_area_address;
		__le32	adapter_fibs_physical_address;
		__le32	adapter_fibs_virtual_address;
		__le32	adapter_fibs_size;
		__le32	adapter_fib_align;
		__le32	printfbuf;
		__le32	printfbufsiz;
		/* number of 4k pages of host phys. mem. */
		__le32	host_phys_mem_pages;
		/* number of seconds since 1970. */
		__le32	host_elapsed_seconds;
		/* ADAPTER_INIT_STRUCT_REVISION_4 begins here */
		__le32	init_flags;	/* flags for supported features */
#define INITFLAGS_NEW_COMM_SUPPORTED	0x00000001
#define INITFLAGS_DRIVER_USES_UTC_TIME	0x00000010
#define INITFLAGS_DRIVER_SUPPORTS_PM	0x00000020
#define INITFLAGS_NEW_COMM_TYPE1_SUPPORTED	0x00000040
#define INITFLAGS_FAST_JBOD_SUPPORTED	0x00000080
#define INITFLAGS_NEW_COMM_TYPE2_SUPPORTED	0x00000100
#define INITFLAGS_DRIVER_SUPPORTS_HBA_MODE  0x00000400
		__le32	max_io_commands;	/* max outstanding commands */
		__le32	max_io_size;	/* largest I/O command */
		__le32	max_fib_size;	/* largest FIB to adapter */
		/* ADAPTER_INIT_STRUCT_REVISION_5 begins here */
		__le32	max_num_aif;	/* max number of aif */
		/* ADAPTER_INIT_STRUCT_REVISION_6 begins here */
		/* Host RRQ (response queue) for SRC */
		__le32	host_rrq_addr_low;
		__le32	host_rrq_addr_high;
	} r7;
	struct _r8 {
		/* ADAPTER_INIT_STRUCT_REVISION_8 */
		__le32	init_struct_revision;
		__le32	rr_queue_count;
		__le32	host_elapsed_seconds; /* number of secs since 1970. */
		__le32	init_flags;
		__le32	max_io_size;	/* largest I/O command */
		__le32	max_num_aif;	/* max number of aif */
		__le32	reserved1;
		__le32	reserved2;
		struct _rrq {
			__le32	host_addr_low;
			__le32	host_addr_high;
			__le16	msix_id;
			__le16	element_count;
			__le16	comp_thresh;
			__le16	unused;
		} rrq[1];		/* up to 64 RRQ addresses */
	} r8;
};

enum aac_log_level {
	LOG_AAC_INIT			= 10,
	LOG_AAC_INFORMATIONAL		= 20,
	LOG_AAC_WARNING			= 30,
	LOG_AAC_LOW_ERROR		= 40,
	LOG_AAC_MEDIUM_ERROR		= 50,
	LOG_AAC_HIGH_ERROR		= 60,
	LOG_AAC_PANIC			= 70,
	LOG_AAC_DEBUG			= 80,
	LOG_AAC_WINDBG_PRINT		= 90
};

#define FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT	0x030b
#define FSAFS_NTC_FIB_CONTEXT			0x030c

struct aac_dev;
struct fib;
struct scsi_cmnd;

struct adapter_ops
{
	/* Low level operations */
	void (*adapter_interrupt)(struct aac_dev *dev);
	void (*adapter_notify)(struct aac_dev *dev, u32 event);
	void (*adapter_disable_int)(struct aac_dev *dev);
	void (*adapter_enable_int)(struct aac_dev *dev);
	int  (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4);
	int  (*adapter_check_health)(struct aac_dev *dev);
	int  (*adapter_restart)(struct aac_dev *dev, int bled, u8 reset_type);
	void (*adapter_start)(struct aac_dev *dev);
	/* Transport operations */
	int  (*adapter_ioremap)(struct aac_dev * dev, u32 size);
	irq_handler_t adapter_intr;
	/* Packet operations */
	int  (*adapter_deliver)(struct fib * fib);
	int  (*adapter_bounds)(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba);
	int  (*adapter_read)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
	int  (*adapter_write)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua);
	int  (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
	/* Administrative operations */
	int  (*adapter_comm)(struct aac_dev * dev, int comm);
};

/*
 *	Define which interrupt handler needs to be installed
 */

struct aac_driver_ident
{
	int	(*init)(struct aac_dev *dev);
	char *	name;
	char *	vname;
	char *	model;
	u16	channels;
	int	quirks;
};
/*
 * Some adapter firmware needs communication memory
 * below 2gig. This tells the init function to set the
 * dma mask such that fib memory will be allocated where the
 * adapter firmware can get to it.
 */
#define AAC_QUIRK_31BIT	0x0001

/*
 * Some adapter firmware, when the raid card's cache is turned off, can not
 * split up scatter gathers in order to deal with the limits of the
 * underlying CHIM. This limit is 34 scatter gather elements.
 */
#define AAC_QUIRK_34SG	0x0002

/*
 * This adapter is a slave (no Firmware)
 */
#define AAC_QUIRK_SLAVE 0x0004

/*
 * This adapter is a master.
 */
#define AAC_QUIRK_MASTER 0x0008

/*
 * Some adapter firmware perform poorly when it must split up scatter gathers
 * in order to deal with the limits of the underlying CHIM. This limit in this
 * class of adapters is 17 scatter gather elements.
 */
#define AAC_QUIRK_17SG	0x0010

/*
 *	Some adapter firmware does not support 64 bit scsi passthrough
 * commands.
 */
#define AAC_QUIRK_SCSI_32	0x0020

/*
 * SRC based adapters support the AifReqEvent functions
 */
#define AAC_QUIRK_SRC 0x0040

/*
 *	The adapter interface specs all queues to be located in the same
 *	physically contiguous block. The host structure that defines the
 *	commuication queues will assume they are each a separate physically
 *	contiguous memory region that will support them all being one big
 *	contiguous block.
 *	There is a command and response queue for each level and direction of
 *	commuication. These regions are accessed by both the host and adapter.
 */

struct aac_queue {
	u64			logical;	/*address we give the adapter */
	struct aac_entry	*base;		/*system virtual address */
	struct aac_qhdr		headers;	/*producer,consumer q headers*/
	u32			entries;	/*Number of queue entries */
	wait_queue_head_t	qfull;		/*Event to wait on if q full */
	wait_queue_head_t	cmdready;	/*Cmd ready from the adapter */
		/* This is only valid for adapter to host command queues. */
	spinlock_t		*lock;		/* Spinlock for this queue must take this lock before accessing the lock */
	spinlock_t		lockdata;	/* Actual lock (used only on one side of the lock) */
	struct list_head	cmdq;		/* A queue of FIBs which need to be prcessed by the FS thread. This is */
						/* only valid for command queues which receive entries from the adapter. */
	/* Number of entries on outstanding queue. */
	atomic_t		numpending;
	struct aac_dev *	dev;		/* Back pointer to adapter structure */
};

/*
 *	Message queues. The order here is important, see also the
 *	queue type ordering
 */

struct aac_queue_block
{
	struct aac_queue queue[8];
};

/*
 *	SaP1 Message Unit Registers
 */

struct sa_drawbridge_CSR {
				/*	Offset	|  Name */
	__le32	reserved[10];	/*	00h-27h |  Reserved */
	u8	LUT_Offset;	/*	28h	|  Lookup Table Offset */
	u8	reserved1[3];	/*	29h-2bh	|  Reserved */
	__le32	LUT_Data;	/*	2ch	|  Looup Table Data */
	__le32	reserved2[26];	/*	30h-97h	|  Reserved */
	__le16	PRICLEARIRQ;	/*	98h	|  Primary Clear Irq */
	__le16	SECCLEARIRQ;	/*	9ah	|  Secondary Clear Irq */
	__le16	PRISETIRQ;	/*	9ch	|  Primary Set Irq */
	__le16	SECSETIRQ;	/*	9eh	|  Secondary Set Irq */
	__le16	PRICLEARIRQMASK;/*	a0h	|  Primary Clear Irq Mask */
	__le16	SECCLEARIRQMASK;/*	a2h	|  Secondary Clear Irq Mask */
	__le16	PRISETIRQMASK;	/*	a4h	|  Primary Set Irq Mask */
	__le16	SECSETIRQMASK;	/*	a6h	|  Secondary Set Irq Mask */
	__le32	MAILBOX0;	/*	a8h	|  Scratchpad 0 */
	__le32	MAILBOX1;	/*	ach	|  Scratchpad 1 */
	__le32	MAILBOX2;	/*	b0h	|  Scratchpad 2 */
	__le32	MAILBOX3;	/*	b4h	|  Scratchpad 3 */
	__le32	MAILBOX4;	/*	b8h	|  Scratchpad 4 */
	__le32	MAILBOX5;	/*	bch	|  Scratchpad 5 */
	__le32	MAILBOX6;	/*	c0h	|  Scratchpad 6 */
	__le32	MAILBOX7;	/*	c4h	|  Scratchpad 7 */
	__le32	ROM_Setup_Data;	/*	c8h	|  Rom Setup and Data */
	__le32	ROM_Control_Addr;/*	cch	|  Rom Control and Address */
	__le32	reserved3[12];	/*	d0h-ffh	|  reserved */
	__le32	LUT[64];	/*    100h-1ffh	|  Lookup Table Entries */
};

#define Mailbox0	SaDbCSR.MAILBOX0
#define Mailbox1	SaDbCSR.MAILBOX1
#define Mailbox2	SaDbCSR.MAILBOX2
#define Mailbox3	SaDbCSR.MAILBOX3
#define Mailbox4	SaDbCSR.MAILBOX4
#define Mailbox5	SaDbCSR.MAILBOX5
#define Mailbox6	SaDbCSR.MAILBOX6
#define Mailbox7	SaDbCSR.MAILBOX7

#define DoorbellReg_p SaDbCSR.PRISETIRQ
#define DoorbellReg_s SaDbCSR.SECSETIRQ
#define DoorbellClrReg_p SaDbCSR.PRICLEARIRQ


#define	DOORBELL_0	0x0001
#define DOORBELL_1	0x0002
#define DOORBELL_2	0x0004
#define DOORBELL_3	0x0008
#define DOORBELL_4	0x0010
#define DOORBELL_5	0x0020
#define DOORBELL_6	0x0040


#define PrintfReady	DOORBELL_5
#define PrintfDone	DOORBELL_5

struct sa_registers {
	struct sa_drawbridge_CSR	SaDbCSR;			/* 98h - c4h */
};


#define SA_INIT_NUM_MSIXVECTORS		1
#define SA_MINIPORT_REVISION		SA_INIT_NUM_MSIXVECTORS

#define sa_readw(AEP, CSR)		readl(&((AEP)->regs.sa->CSR))
#define sa_readl(AEP, CSR)		readl(&((AEP)->regs.sa->CSR))
#define sa_writew(AEP, CSR, value)	writew(value, &((AEP)->regs.sa->CSR))
#define sa_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.sa->CSR))

/*
 *	Rx Message Unit Registers
 */

struct rx_mu_registers {
			    /*	Local  | PCI*| Name */
	__le32	ARSR;	    /*	1300h  | 00h | APIC Register Select Register */
	__le32	reserved0;  /*	1304h  | 04h | Reserved */
	__le32	AWR;	    /*	1308h  | 08h | APIC Window Register */
	__le32	reserved1;  /*	130Ch  | 0Ch | Reserved */
	__le32	IMRx[2];    /*	1310h  | 10h | Inbound Message Registers */
	__le32	OMRx[2];    /*	1318h  | 18h | Outbound Message Registers */
	__le32	IDR;	    /*	1320h  | 20h | Inbound Doorbell Register */
	__le32	IISR;	    /*	1324h  | 24h | Inbound Interrupt
						Status Register */
	__le32	IIMR;	    /*	1328h  | 28h | Inbound Interrupt
						Mask Register */
	__le32	ODR;	    /*	132Ch  | 2Ch | Outbound Doorbell Register */
	__le32	OISR;	    /*	1330h  | 30h | Outbound Interrupt
						Status Register */
	__le32	OIMR;	    /*	1334h  | 34h | Outbound Interrupt
						Mask Register */
	__le32	reserved2;  /*	1338h  | 38h | Reserved */
	__le32	reserved3;  /*	133Ch  | 3Ch | Reserved */
	__le32	InboundQueue;/*	1340h  | 40h | Inbound Queue Port relative to firmware */
	__le32	OutboundQueue;/*1344h  | 44h | Outbound Queue Port relative to firmware */
			    /* * Must access through ATU Inbound
				 Translation Window */
};

struct rx_inbound {
	__le32	Mailbox[8];
};

#define	INBOUNDDOORBELL_0	0x00000001
#define INBOUNDDOORBELL_1	0x00000002
#define INBOUNDDOORBELL_2	0x00000004
#define INBOUNDDOORBELL_3	0x00000008
#define INBOUNDDOORBELL_4	0x00000010
#define INBOUNDDOORBELL_5	0x00000020
#define INBOUNDDOORBELL_6	0x00000040

#define	OUTBOUNDDOORBELL_0	0x00000001
#define OUTBOUNDDOORBELL_1	0x00000002
#define OUTBOUNDDOORBELL_2	0x00000004
#define OUTBOUNDDOORBELL_3	0x00000008
#define OUTBOUNDDOORBELL_4	0x00000010

#define InboundDoorbellReg	MUnit.IDR
#define OutboundDoorbellReg	MUnit.ODR

struct rx_registers {
	struct rx_mu_registers		MUnit;		/* 1300h - 1347h */
	__le32				reserved1[2];	/* 1348h - 134ch */
	struct rx_inbound		IndexRegs;
};

#define rx_readb(AEP, CSR)		readb(&((AEP)->regs.rx->CSR))
#define rx_readl(AEP, CSR)		readl(&((AEP)->regs.rx->CSR))
#define rx_writeb(AEP, CSR, value)	writeb(value, &((AEP)->regs.rx->CSR))
#define rx_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.rx->CSR))

/*
 *	Rkt Message Unit Registers (same as Rx, except a larger reserve region)
 */

#define rkt_mu_registers rx_mu_registers
#define rkt_inbound rx_inbound

struct rkt_registers {
	struct rkt_mu_registers		MUnit;		 /* 1300h - 1347h */
	__le32				reserved1[1006]; /* 1348h - 22fch */
	struct rkt_inbound		IndexRegs;	 /* 2300h - */
};

#define rkt_readb(AEP, CSR)		readb(&((AEP)->regs.rkt->CSR))
#define rkt_readl(AEP, CSR)		readl(&((AEP)->regs.rkt->CSR))
#define rkt_writeb(AEP, CSR, value)	writeb(value, &((AEP)->regs.rkt->CSR))
#define rkt_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.rkt->CSR))

/*
 * PMC SRC message unit registers
 */

#define src_inbound rx_inbound

struct src_mu_registers {
				/*  PCI*| Name */
	__le32	reserved0[6];	/*  00h | Reserved */
	__le32	IOAR[2];	/*  18h | IOA->host interrupt register */
	__le32	IDR;		/*  20h | Inbound Doorbell Register */
	__le32	IISR;		/*  24h | Inbound Int. Status Register */
	__le32	reserved1[3];	/*  28h | Reserved */
	__le32	OIMR;		/*  34h | Outbound Int. Mask Register */
	__le32	reserved2[25];  /*  38h | Reserved */
	__le32	ODR_R;		/*  9ch | Outbound Doorbell Read */
	__le32	ODR_C;		/*  a0h | Outbound Doorbell Clear */
	__le32	reserved3[3];	/*  a4h | Reserved */
	__le32	SCR0;		/*  b0h | Scratchpad 0 */
	__le32	reserved4[2];	/*  b4h | Reserved */
	__le32	OMR;		/*  bch | Outbound Message Register */
	__le32	IQ_L;		/*  c0h | Inbound Queue (Low address) */
	__le32	IQ_H;		/*  c4h | Inbound Queue (High address) */
	__le32	ODR_MSI;	/*  c8h | MSI register for sync./AIF */
	__le32  reserved5;	/*  cch | Reserved */
	__le32	IQN_L;		/*  d0h | Inbound (native cmd) low  */
	__le32	IQN_H;		/*  d4h | Inbound (native cmd) high */
};

struct src_registers {
	struct src_mu_registers MUnit;	/* 00h - cbh */
	union {
		struct {
			__le32 reserved1[130786];	/* d8h - 7fc5fh */
			struct src_inbound IndexRegs;	/* 7fc60h */
		} tupelo;
		struct {
			__le32 reserved1[970];		/* d8h - fffh */
			struct src_inbound IndexRegs;	/* 1000h */
		} denali;
	} u;
};

#define src_readb(AEP, CSR)		readb(&((AEP)->regs.src.bar0->CSR))
#define src_readl(AEP, CSR)		readl(&((AEP)->regs.src.bar0->CSR))
#define src_writeb(AEP, CSR, value)	writeb(value, \
						&((AEP)->regs.src.bar0->CSR))
#define src_writel(AEP, CSR, value)	writel(value, \
						&((AEP)->regs.src.bar0->CSR))
#if defined(writeq)
#define	src_writeq(AEP, CSR, value)	writeq(value, \
						&((AEP)->regs.src.bar0->CSR))
#endif

#define SRC_ODR_SHIFT		12
#define SRC_IDR_SHIFT		9
#define SRC_MSI_READ_MASK	0x1000

typedef void (*fib_callback)(void *ctxt, struct fib *fibctx);

struct aac_fib_context {
	s16			type;		// used for verification of structure
	s16			size;
	u32			unique;		// unique value representing this context
	ulong			jiffies;	// used for cleanup - dmb changed to ulong
	struct list_head	next;		// used to link context's into a linked list
	struct completion	completion;	// this is used to wait for the next fib to arrive.
	int			wait;		// Set to true when thread is in WaitForSingleObject
	unsigned long		count;		// total number of FIBs on FibList
	struct list_head	fib_list;	// this holds fibs and their attachd hw_fibs
};

struct sense_data {
	u8 error_code;		/* 70h (current errors), 71h(deferred errors) */
	u8 valid:1;		/* A valid bit of one indicates that the information  */
				/* field contains valid information as defined in the
				 * SCSI-2 Standard.
				 */
	u8 segment_number;	/* Only used for COPY, COMPARE, or COPY AND VERIFY Commands */
	u8 sense_key:4;		/* Sense Key */
	u8 reserved:1;
	u8 ILI:1;		/* Incorrect Length Indicator */
	u8 EOM:1;		/* End Of Medium - reserved for random access devices */
	u8 filemark:1;		/* Filemark - reserved for random access devices */

	u8 information[4];	/* for direct-access devices, contains the unsigned
				 * logical block address or residue associated with
				 * the sense key
				 */
	u8 add_sense_len;	/* number of additional sense bytes to follow this field */
	u8 cmnd_info[4];	/* not used */
	u8 ASC;			/* Additional Sense Code */
	u8 ASCQ;		/* Additional Sense Code Qualifier */
	u8 FRUC;		/* Field Replaceable Unit Code - not used */
	u8 bit_ptr:3;		/* indicates which byte of the CDB or parameter data
				 * was in error
				 */
	u8 BPV:1;		/* bit pointer valid (BPV): 1- indicates that
				 * the bit_ptr field has valid value
				 */
	u8 reserved2:2;
	u8 CD:1;		/* command data bit: 1- illegal parameter in CDB.
				 * 0- illegal parameter in data.
				 */
	u8 SKSV:1;
	u8 field_ptr[2];	/* byte of the CDB or parameter data in error */
};

struct fsa_dev_info {
	u64		last;
	u64		size;
	u32		type;
	u32		config_waiting_on;
	unsigned long	config_waiting_stamp;
	u16		queue_depth;
	u8		config_needed;
	u8		valid;
	u8		ro;
	u8		locked;
	u8		deleted;
	char		devname[8];
	struct sense_data sense_data;
	u32		block_size;
	u8		identifier[16];
};

struct fib {
	void			*next;	/* this is used by the allocator */
	s16			type;
	s16			size;
	/*
	 *	The Adapter that this I/O is destined for.
	 */
	struct aac_dev		*dev;
	/*
	 *	This is the event the sendfib routine will wait on if the
	 *	caller did not pass one and this is synch io.
	 */
	struct completion	event_wait;
	spinlock_t		event_lock;

	u32			done;	/* gets set to 1 when fib is complete */
	fib_callback		callback;
	void			*callback_data;
	u32			flags; // u32 dmb was ulong
	/*
	 *	And for the internal issue/reply queues (we may be able
	 *	to merge these two)
	 */
	struct list_head	fiblink;
	void			*data;
	u32			vector_no;
	struct hw_fib		*hw_fib_va;	/* also used for native */
	dma_addr_t		hw_fib_pa;	/* physical address of hw_fib*/
	dma_addr_t		hw_sgl_pa;	/* extra sgl for native */
	dma_addr_t		hw_error_pa;	/* error buffer for native */
	u32			hbacmd_size;	/* cmd size for native */
};

#define AAC_INIT			0
#define AAC_RESCAN			1

#define AAC_DEVTYPE_RAID_MEMBER	1
#define AAC_DEVTYPE_ARC_RAW		2
#define AAC_DEVTYPE_NATIVE_RAW		3

#define AAC_SAFW_RESCAN_DELAY		(10 * HZ)

struct aac_hba_map_info {
	__le32	rmw_nexus;		/* nexus for native HBA devices */
	u8		devtype;	/* device type */
	s8		reset_state;	/* 0 - no reset, 1..x - */
					/* after xth TM LUN reset */
	u16		qd_limit;
	u32		scan_counter;
	struct aac_ciss_identify_pd  *safw_identify_resp;
};

/*
 *	Adapter Information Block
 *
 *	This is returned by the RequestAdapterInfo block
 */

struct aac_adapter_info
{
	__le32	platform;
	__le32	cpu;
	__le32	subcpu;
	__le32	clock;
	__le32	execmem;
	__le32	buffermem;
	__le32	totalmem;
	__le32	kernelrev;
	__le32	kernelbuild;
	__le32	monitorrev;
	__le32	monitorbuild;
	__le32	hwrev;
	__le32	hwbuild;
	__le32	biosrev;
	__le32	biosbuild;
	__le32	cluster;
	__le32	clusterchannelmask;
	__le32	serial[2];
	__le32	battery;
	__le32	options;
	__le32	OEM;
};

struct aac_supplement_adapter_info
{
	u8	adapter_type_text[17+1];
	u8	pad[2];
	__le32	flash_memory_byte_size;
	__le32	flash_image_id;
	__le32	max_number_ports;
	__le32	version;
	__le32	feature_bits;
	u8	slot_number;
	u8	reserved_pad0[3];
	u8	build_date[12];
	__le32	current_number_ports;
	struct {
		u8	assembly_pn[8];
		u8	fru_pn[8];
		u8	battery_fru_pn[8];
		u8	ec_version_string[8];
		u8	tsid[12];
	}	vpd_info;
	__le32	flash_firmware_revision;
	__le32	flash_firmware_build;
	__le32	raid_type_morph_options;
	__le32	flash_firmware_boot_revision;
	__le32	flash_firmware_boot_build;
	u8	mfg_pcba_serial_no[12];
	u8	mfg_wwn_name[8];
	__le32	supported_options2;
	__le32	struct_expansion;
	/* StructExpansion == 1 */
	__le32	feature_bits3;
	__le32	supported_performance_modes;
	u8	host_bus_type;		/* uses HOST_BUS_TYPE_xxx defines */
	u8	host_bus_width;		/* actual width in bits or links */
	u16	host_bus_speed;		/* actual bus speed/link rate in MHz */
	u8	max_rrc_drives;		/* max. number of ITP-RRC drives/pool */
	u8	max_disk_xtasks;	/* max. possible num of DiskX Tasks */

	u8	cpld_ver_loaded;
	u8	cpld_ver_in_flash;

	__le64	max_rrc_capacity;
	__le32	compiled_max_hist_log_level;
	u8	custom_board_name[12];
	u16	supported_cntlr_mode;	/* identify supported controller mode */
	u16	reserved_for_future16;
	__le32	supported_options3;	/* reserved for future options */

	__le16	virt_device_bus;		/* virt. SCSI device for Thor */
	__le16	virt_device_target;
	__le16	virt_device_lun;
	__le16	unused;
	__le32	reserved_for_future_growth[68];

};
#define AAC_FEATURE_FALCON	cpu_to_le32(0x00000010)
#define AAC_FEATURE_JBOD	cpu_to_le32(0x08000000)
/* SupportedOptions2 */
#define AAC_OPTION_MU_RESET		cpu_to_le32(0x00000001)
#define AAC_OPTION_IGNORE_RESET		cpu_to_le32(0x00000002)
#define AAC_OPTION_POWER_MANAGEMENT	cpu_to_le32(0x00000004)
#define AAC_OPTION_DOORBELL_RESET	cpu_to_le32(0x00004000)
/* 4KB sector size */
#define AAC_OPTION_VARIABLE_BLOCK_SIZE	cpu_to_le32(0x00040000)
/* 240 simple volume support */
#define AAC_OPTION_SUPPORTED_240_VOLUMES cpu_to_le32(0x10000000)
/*
 * Supports FIB dump sync command send prior to IOP_RESET
 */
#define AAC_OPTION_SUPPORTED3_IOP_RESET_FIB_DUMP	cpu_to_le32(0x00004000)
#define AAC_SIS_VERSION_V3	3
#define AAC_SIS_SLOT_UNKNOWN	0xFF

#define GetBusInfo 0x00000009
struct aac_bus_info {
	__le32	Command;	/* VM_Ioctl */
	__le32	ObjType;	/* FT_DRIVE */
	__le32	MethodId;	/* 1 = SCSI Layer */
	__le32	ObjectId;	/* Handle */
	__le32	CtlCmd;		/* GetBusInfo */
};

struct aac_bus_info_response {
	__le32	Status;		/* ST_OK */
	__le32	ObjType;
	__le32	MethodId;	/* unused */
	__le32	ObjectId;	/* unused */
	__le32	CtlCmd;		/* unused */
	__le32	ProbeComplete;
	__le32	BusCount;
	__le32	TargetsPerBus;
	u8	InitiatorBusId[10];
	u8	BusValid[10];
};

/*
 * Battery platforms
 */
#define AAC_BAT_REQ_PRESENT	(1)
#define AAC_BAT_REQ_NOTPRESENT	(2)
#define AAC_BAT_OPT_PRESENT	(3)
#define AAC_BAT_OPT_NOTPRESENT	(4)
#define AAC_BAT_NOT_SUPPORTED	(5)
/*
 * cpu types
 */
#define AAC_CPU_SIMULATOR	(1)
#define AAC_CPU_I960		(2)
#define AAC_CPU_STRONGARM	(3)

/*
 * Supported Options
 */
#define AAC_OPT_SNAPSHOT		cpu_to_le32(1)
#define AAC_OPT_CLUSTERS		cpu_to_le32(1<<1)
#define AAC_OPT_WRITE_CACHE		cpu_to_le32(1<<2)
#define AAC_OPT_64BIT_DATA		cpu_to_le32(1<<3)
#define AAC_OPT_HOST_TIME_FIB		cpu_to_le32(1<<4)
#define AAC_OPT_RAID50			cpu_to_le32(1<<5)
#define AAC_OPT_4GB_WINDOW		cpu_to_le32(1<<6)
#define AAC_OPT_SCSI_UPGRADEABLE	cpu_to_le32(1<<7)
#define AAC_OPT_SOFT_ERR_REPORT		cpu_to_le32(1<<8)
#define AAC_OPT_SUPPORTED_RECONDITION	cpu_to_le32(1<<9)
#define AAC_OPT_SGMAP_HOST64		cpu_to_le32(1<<10)
#define AAC_OPT_ALARM			cpu_to_le32(1<<11)
#define AAC_OPT_NONDASD			cpu_to_le32(1<<12)
#define AAC_OPT_SCSI_MANAGED		cpu_to_le32(1<<13)
#define AAC_OPT_RAID_SCSI_MODE		cpu_to_le32(1<<14)
#define AAC_OPT_SUPPLEMENT_ADAPTER_INFO	cpu_to_le32(1<<16)
#define AAC_OPT_NEW_COMM		cpu_to_le32(1<<17)
#define AAC_OPT_NEW_COMM_64		cpu_to_le32(1<<18)
#define AAC_OPT_EXTENDED		cpu_to_le32(1<<23)
#define AAC_OPT_NATIVE_HBA		cpu_to_le32(1<<25)
#define AAC_OPT_NEW_COMM_TYPE1		cpu_to_le32(1<<28)
#define AAC_OPT_NEW_COMM_TYPE2		cpu_to_le32(1<<29)
#define AAC_OPT_NEW_COMM_TYPE3		cpu_to_le32(1<<30)
#define AAC_OPT_NEW_COMM_TYPE4		cpu_to_le32(1<<31)

#define AAC_COMM_PRODUCER		0
#define AAC_COMM_MESSAGE		1
#define AAC_COMM_MESSAGE_TYPE1		3
#define AAC_COMM_MESSAGE_TYPE2		4
#define AAC_COMM_MESSAGE_TYPE3		5

#define AAC_EXTOPT_SA_FIRMWARE		cpu_to_le32(1<<1)
#define AAC_EXTOPT_SOFT_RESET		cpu_to_le32(1<<16)

/* MSIX context */
struct aac_msix_ctx {
	int		vector_no;
	struct aac_dev	*dev;
};

struct aac_dev
{
	struct list_head	entry;
	const char		*name;
	int			id;

	/*
	 *	negotiated FIB settings
	 */
	unsigned int		max_fib_size;
	unsigned int		sg_tablesize;
	unsigned int		max_num_aif;

	unsigned int		max_cmd_size;	/* max_fib_size or MAX_NATIVE */

	/*
	 *	Map for 128 fib objects (64k)
	 */
	dma_addr_t		hw_fib_pa;	/* also used for native cmd */
	struct hw_fib		*hw_fib_va;	/* also used for native cmd */
	struct hw_fib		*aif_base_va;
	/*
	 *	Fib Headers
	 */
	struct fib              *fibs;

	struct fib		*free_fib;
	spinlock_t		fib_lock;

	struct mutex		ioctl_mutex;
	struct mutex		scan_mutex;
	struct aac_queue_block *queues;
	/*
	 *	The user API will use an IOCTL to register itself to receive
	 *	FIBs from the adapter.  The following list is used to keep
	 *	track of all the threads that have requested these FIBs.  The
	 *	mutex is used to synchronize access to all data associated
	 *	with the adapter fibs.
	 */
	struct list_head	fib_list;

	struct adapter_ops	a_ops;
	unsigned long		fsrev;		/* Main driver's revision number */

	resource_size_t		base_start;	/* main IO base */
	resource_size_t		dbg_base;	/* address of UART
						 * debug buffer */

	resource_size_t		base_size, dbg_size;	/* Size of
							 *  mapped in region */
	/*
	 * Holds initialization info
	 * to communicate with adapter
	 */
	union aac_init		*init;
	dma_addr_t		init_pa;	/* Holds physical address of the init struct */
	/* response queue (if AAC_COMM_MESSAGE_TYPE1) */
	__le32			*host_rrq;
	dma_addr_t		host_rrq_pa;	/* phys. address */
	/* index into rrq buffer */
	u32			host_rrq_idx[AAC_MAX_MSIX];
	atomic_t		rrq_outstanding[AAC_MAX_MSIX];
	u32			fibs_pushed_no;
	struct pci_dev		*pdev;		/* Our PCI interface */
	/* pointer to buffer used for printf's from the adapter */
	void			*printfbuf;
	void			*comm_addr;	/* Base address of Comm area */
	dma_addr_t		comm_phys;	/* Physical Address of Comm area */
	size_t			comm_size;

	struct Scsi_Host	*scsi_host_ptr;
	int			maximum_num_containers;
	int			maximum_num_physicals;
	int			maximum_num_channels;
	struct fsa_dev_info	*fsa_dev;
	struct task_struct	*thread;
	struct delayed_work	safw_rescan_work;
	int			cardtype;
	/*
	 *This lock will protect the two 32-bit
	 *writes to the Inbound Queue
	 */
	spinlock_t		iq_lock;

	/*
	 *	The following is the device specific extension.
	 */
#ifndef AAC_MIN_FOOTPRINT_SIZE
#	define AAC_MIN_FOOTPRINT_SIZE 8192
#	define AAC_MIN_SRC_BAR0_SIZE 0x400000
#	define AAC_MIN_SRC_BAR1_SIZE 0x800
#	define AAC_MIN_SRCV_BAR0_SIZE 0x100000
#	define AAC_MIN_SRCV_BAR1_SIZE 0x400
#endif
	union
	{
		struct sa_registers __iomem *sa;
		struct rx_registers __iomem *rx;
		struct rkt_registers __iomem *rkt;
		struct {
			struct src_registers __iomem *bar0;
			char __iomem *bar1;
		} src;
	} regs;
	volatile void __iomem *base, *dbg_base_mapped;
	volatile struct rx_inbound __iomem *IndexRegs;
	u32			OIMR; /* Mask Register Cache */
	/*
	 *	AIF thread states
	 */
	u32			aif_thread;
	struct aac_adapter_info adapter_info;
	struct aac_supplement_adapter_info supplement_adapter_info;
	/* These are in adapter info but they are in the io flow so
	 * lets break them out so we don't have to do an AND to check them
	 */
	u8			nondasd_support;
	u8			jbod;
	u8			cache_protected;
	u8			dac_support;
	u8			needs_dac;
	u8			raid_scsi_mode;
	u8			comm_interface;
	u8			raw_io_interface;
	u8			raw_io_64;
	u8			printf_enabled;
	u8			in_reset;
	u8			in_soft_reset;
	u8			msi;
	u8			sa_firmware;
	int			management_fib_count;
	spinlock_t		manage_lock;
	spinlock_t		sync_lock;
	int			sync_mode;
	struct fib		*sync_fib;
	struct list_head	sync_fib_list;
	u32			doorbell_mask;
	u32			max_msix;	/* max. MSI-X vectors */
	u32			vector_cap;	/* MSI-X vector capab.*/
	int			msi_enabled;	/* MSI/MSI-X enabled */
	atomic_t		msix_counter;
	u32			scan_counter;
	struct msix_entry	msixentry[AAC_MAX_MSIX];
	struct aac_msix_ctx	aac_msix[AAC_MAX_MSIX]; /* context */
	struct aac_hba_map_info	hba_map[AAC_MAX_BUSES][AAC_MAX_TARGETS];
	struct aac_ciss_phys_luns_resp *safw_phys_luns;
	u8			adapter_shutdown;
	u32			handle_pci_error;
	bool			init_reset;
};

#define aac_adapter_interrupt(dev) \
	(dev)->a_ops.adapter_interrupt(dev)

#define aac_adapter_notify(dev, event) \
	(dev)->a_ops.adapter_notify(dev, event)

#define aac_adapter_disable_int(dev) \
	(dev)->a_ops.adapter_disable_int(dev)

#define aac_adapter_enable_int(dev) \
	(dev)->a_ops.adapter_enable_int(dev)

#define aac_adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4) \
	(dev)->a_ops.adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4)

#define aac_adapter_restart(dev, bled, reset_type) \
	((dev)->a_ops.adapter_restart(dev, bled, reset_type))

#define aac_adapter_start(dev) \
	((dev)->a_ops.adapter_start(dev))

#define aac_adapter_ioremap(dev, size) \
	(dev)->a_ops.adapter_ioremap(dev, size)

#define aac_adapter_deliver(fib) \
	((fib)->dev)->a_ops.adapter_deliver(fib)

#define aac_adapter_bounds(dev,cmd,lba) \
	dev->a_ops.adapter_bounds(dev,cmd,lba)

#define aac_adapter_read(fib,cmd,lba,count) \
	((fib)->dev)->a_ops.adapter_read(fib,cmd,lba,count)

#define aac_adapter_write(fib,cmd,lba,count,fua) \
	((fib)->dev)->a_ops.adapter_write(fib,cmd,lba,count,fua)

#define aac_adapter_scsi(fib,cmd) \
	((fib)->dev)->a_ops.adapter_scsi(fib,cmd)

#define aac_adapter_comm(dev,comm) \
	(dev)->a_ops.adapter_comm(dev, comm)

#define FIB_CONTEXT_FLAG_TIMED_OUT		(0x00000001)
#define FIB_CONTEXT_FLAG			(0x00000002)
#define FIB_CONTEXT_FLAG_WAIT			(0x00000004)
#define FIB_CONTEXT_FLAG_FASTRESP		(0x00000008)
#define FIB_CONTEXT_FLAG_NATIVE_HBA		(0x00000010)
#define FIB_CONTEXT_FLAG_NATIVE_HBA_TMF	(0x00000020)
#define FIB_CONTEXT_FLAG_SCSI_CMD	(0x00000040)
#define FIB_CONTEXT_FLAG_EH_RESET	(0x00000080)

/*
 *	Define the command values
 */

#define		Null			0
#define		GetAttributes		1
#define		SetAttributes		2
#define		Lookup			3
#define		ReadLink		4
#define		Read			5
#define		Write			6
#define		Create			7
#define		MakeDirectory		8
#define		SymbolicLink		9
#define		MakeNode		10
#define		Removex			11
#define		RemoveDirectoryx	12
#define		Rename			13
#define		Link			14
#define		ReadDirectory		15
#define		ReadDirectoryPlus	16
#define		FileSystemStatus	17
#define		FileSystemInfo		18
#define		PathConfigure		19
#define		Commit			20
#define		Mount			21
#define		UnMount			22
#define		Newfs			23
#define		FsCheck			24
#define		FsSync			25
#define		SimReadWrite		26
#define		SetFileSystemStatus	27
#define		BlockRead		28
#define		BlockWrite		29
#define		NvramIoctl		30
#define		FsSyncWait		31
#define		ClearArchiveBit		32
#define		SetAcl			33
#define		GetAcl			34
#define		AssignAcl		35
#define		FaultInsertion		36	/* Fault Insertion Command */
#define		CrazyCache		37	/* Crazycache */

#define		MAX_FSACOMMAND_NUM	38


/*
 *	Define the status returns. These are very unixlike although
 *	most are not in fact used
 */

#define		ST_OK		0
#define		ST_PERM		1
#define		ST_NOENT	2
#define		ST_IO		5
#define		ST_NXIO		6
#define		ST_E2BIG	7
#define		ST_MEDERR	8
#define		ST_ACCES	13
#define		ST_EXIST	17
#define		ST_XDEV		18
#define		ST_NODEV	19
#define		ST_NOTDIR	20
#define		ST_ISDIR	21
#define		ST_INVAL	22
#define		ST_FBIG		27
#define		ST_NOSPC	28
#define		ST_ROFS		30
#define		ST_MLINK	31
#define		ST_WOULDBLOCK	35
#define		ST_NAMETOOLONG	63
#define		ST_NOTEMPTY	66
#define		ST_DQUOT	69
#define		ST_STALE	70
#define		ST_REMOTE	71
#define		ST_NOT_READY	72
#define		ST_BADHANDLE	10001
#define		ST_NOT_SYNC	10002
#define		ST_BAD_COOKIE	10003
#define		ST_NOTSUPP	10004
#define		ST_TOOSMALL	10005
#define		ST_SERVERFAULT	10006
#define		ST_BADTYPE	10007
#define		ST_JUKEBOX	10008
#define		ST_NOTMOUNTED	10009
#define		ST_MAINTMODE	10010
#define		ST_STALEACL	10011

/*
 *	On writes how does the client want the data written.
 */

#define	CACHE_CSTABLE		1
#define CACHE_UNSTABLE		2

/*
 *	Lets the client know at which level the data was committed on
 *	a write request
 */

#define	CMFILE_SYNCH_NVRAM	1
#define	CMDATA_SYNCH_NVRAM	2
#define	CMFILE_SYNCH		3
#define CMDATA_SYNCH		4
#define CMUNSTABLE		5

#define	RIO_TYPE_WRITE 			0x0000
#define	RIO_TYPE_READ			0x0001
#define	RIO_SUREWRITE			0x0008

#define RIO2_IO_TYPE			0x0003
#define RIO2_IO_TYPE_WRITE		0x0000
#define RIO2_IO_TYPE_READ		0x0001
#define RIO2_IO_TYPE_VERIFY		0x0002
#define RIO2_IO_ERROR			0x0004
#define RIO2_IO_SUREWRITE		0x0008
#define RIO2_SGL_CONFORMANT		0x0010
#define RIO2_SG_FORMAT			0xF000
#define RIO2_SG_FORMAT_ARC		0x0000
#define RIO2_SG_FORMAT_SRL		0x1000
#define RIO2_SG_FORMAT_IEEE1212		0x2000

struct aac_read
{
	__le32		command;
	__le32		cid;
	__le32		block;
	__le32		count;
	struct sgmap	sg;	// Must be last in struct because it is variable
};

struct aac_read64
{
	__le32		command;
	__le16		cid;
	__le16		sector_count;
	__le32		block;
	__le16		pad;
	__le16		flags;
	struct sgmap64	sg;	// Must be last in struct because it is variable
};

struct aac_read_reply
{
	__le32		status;
	__le32		count;
};

struct aac_write
{
	__le32		command;
	__le32		cid;
	__le32		block;
	__le32		count;
	__le32		stable;	// Not used
	struct sgmap	sg;	// Must be last in struct because it is variable
};

struct aac_write64
{
	__le32		command;
	__le16		cid;
	__le16		sector_count;
	__le32		block;
	__le16		pad;
	__le16		flags;
	struct sgmap64	sg;	// Must be last in struct because it is variable
};
struct aac_write_reply
{
	__le32		status;
	__le32		count;
	__le32		committed;
};

struct aac_raw_io
{
	__le32		block[2];
	__le32		count;
	__le16		cid;
	__le16		flags;		/* 00 W, 01 R */
	__le16		bpTotal;	/* reserved for F/W use */
	__le16		bpComplete;	/* reserved for F/W use */
	struct sgmapraw	sg;
};

struct aac_raw_io2 {
	__le32		blockLow;
	__le32		blockHigh;
	__le32		byteCount;
	__le16		cid;
	__le16		flags;		/* RIO2 flags */
	__le32		sgeFirstSize;	/* size of first sge el. */
	__le32		sgeNominalSize;	/* size of 2nd sge el. (if conformant) */
	u8		sgeCnt;		/* only 8 bits required */
	u8		bpTotal;	/* reserved for F/W use */
	u8		bpComplete;	/* reserved for F/W use */
	u8		sgeFirstIndex;	/* reserved for F/W use */
	u8		unused[4];
	struct sge_ieee1212	sge[1];
};

#define CT_FLUSH_CACHE 129
struct aac_synchronize {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_FLUSH_CACHE */
	__le32		cid;
	__le32		parm1;
	__le32		parm2;
	__le32		parm3;
	__le32		parm4;
	__le32		count;	/* sizeof(((struct aac_synchronize_reply *)NULL)->data) */
};

struct aac_synchronize_reply {
	__le32		dummy0;
	__le32		dummy1;
	__le32		status;	/* CT_OK */
	__le32		parm1;
	__le32		parm2;
	__le32		parm3;
	__le32		parm4;
	__le32		parm5;
	u8		data[16];
};

#define CT_POWER_MANAGEMENT	245
#define CT_PM_START_UNIT	2
#define CT_PM_STOP_UNIT		3
#define CT_PM_UNIT_IMMEDIATE	1
struct aac_power_management {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_POWER_MANAGEMENT */
	__le32		sub;		/* CT_PM_* */
	__le32		cid;
	__le32		parm;		/* CT_PM_sub_* */
};

#define CT_PAUSE_IO    65
#define CT_RELEASE_IO  66
struct aac_pause {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_PAUSE_IO */
	__le32		timeout;	/* 10ms ticks */
	__le32		min;
	__le32		noRescan;
	__le32		parm3;
	__le32		parm4;
	__le32		count;	/* sizeof(((struct aac_pause_reply *)NULL)->data) */
};

struct aac_srb
{
	__le32		function;
	__le32		channel;
	__le32		id;
	__le32		lun;
	__le32		timeout;
	__le32		flags;
	__le32		count;		// Data xfer size
	__le32		retry_limit;
	__le32		cdb_size;
	u8		cdb[16];
	struct	sgmap	sg;
};

/*
 * This and associated data structs are used by the
 * ioctl caller and are in cpu order.
 */
struct user_aac_srb
{
	u32		function;
	u32		channel;
	u32		id;
	u32		lun;
	u32		timeout;
	u32		flags;
	u32		count;		// Data xfer size
	u32		retry_limit;
	u32		cdb_size;
	u8		cdb[16];
	struct	user_sgmap	sg;
};

#define		AAC_SENSE_BUFFERSIZE	 30

struct aac_srb_reply
{
	__le32		status;
	__le32		srb_status;
	__le32		scsi_status;
	__le32		data_xfer_length;
	__le32		sense_data_size;
	u8		sense_data[AAC_SENSE_BUFFERSIZE]; // Can this be SCSI_SENSE_BUFFERSIZE
};

struct aac_srb_unit {
	struct aac_srb		srb;
	struct aac_srb_reply	srb_reply;
};

/*
 * SRB Flags
 */
#define		SRB_NoDataXfer		 0x0000
#define		SRB_DisableDisconnect	 0x0004
#define		SRB_DisableSynchTransfer 0x0008
#define		SRB_BypassFrozenQueue	 0x0010
#define		SRB_DisableAutosense	 0x0020
#define		SRB_DataIn		 0x0040
#define		SRB_DataOut		 0x0080

/*
 * SRB Functions - set in aac_srb->function
 */
#define	SRBF_ExecuteScsi	0x0000
#define	SRBF_ClaimDevice	0x0001
#define	SRBF_IO_Control		0x0002
#define	SRBF_ReceiveEvent	0x0003
#define	SRBF_ReleaseQueue	0x0004
#define	SRBF_AttachDevice	0x0005
#define	SRBF_ReleaseDevice	0x0006
#define	SRBF_Shutdown		0x0007
#define	SRBF_Flush		0x0008
#define	SRBF_AbortCommand	0x0010
#define	SRBF_ReleaseRecovery	0x0011
#define	SRBF_ResetBus		0x0012
#define	SRBF_ResetDevice	0x0013
#define	SRBF_TerminateIO	0x0014
#define	SRBF_FlushQueue		0x0015
#define	SRBF_RemoveDevice	0x0016
#define	SRBF_DomainValidation	0x0017

/*
 * SRB SCSI Status - set in aac_srb->scsi_status
 */
#define SRB_STATUS_PENDING                  0x00
#define SRB_STATUS_SUCCESS                  0x01
#define SRB_STATUS_ABORTED                  0x02
#define SRB_STATUS_ABORT_FAILED             0x03
#define SRB_STATUS_ERROR                    0x04
#define SRB_STATUS_BUSY                     0x05
#define SRB_STATUS_INVALID_REQUEST          0x06
#define SRB_STATUS_INVALID_PATH_ID          0x07
#define SRB_STATUS_NO_DEVICE                0x08
#define SRB_STATUS_TIMEOUT                  0x09
#define SRB_STATUS_SELECTION_TIMEOUT        0x0A
#define SRB_STATUS_COMMAND_TIMEOUT          0x0B
#define SRB_STATUS_MESSAGE_REJECTED         0x0D
#define SRB_STATUS_BUS_RESET                0x0E
#define SRB_STATUS_PARITY_ERROR             0x0F
#define SRB_STATUS_REQUEST_SENSE_FAILED     0x10
#define SRB_STATUS_NO_HBA                   0x11
#define SRB_STATUS_DATA_OVERRUN             0x12
#define SRB_STATUS_UNEXPECTED_BUS_FREE      0x13
#define SRB_STATUS_PHASE_SEQUENCE_FAILURE   0x14
#define SRB_STATUS_BAD_SRB_BLOCK_LENGTH     0x15
#define SRB_STATUS_REQUEST_FLUSHED          0x16
#define SRB_STATUS_DELAYED_RETRY	    0x17
#define SRB_STATUS_INVALID_LUN              0x20
#define SRB_STATUS_INVALID_TARGET_ID        0x21
#define SRB_STATUS_BAD_FUNCTION             0x22
#define SRB_STATUS_ERROR_RECOVERY           0x23
#define SRB_STATUS_NOT_STARTED		    0x24
#define SRB_STATUS_NOT_IN_USE		    0x30
#define SRB_STATUS_FORCE_ABORT		    0x31
#define SRB_STATUS_DOMAIN_VALIDATION_FAIL   0x32

/*
 * Object-Server / Volume-Manager Dispatch Classes
 */

#define		VM_Null			0
#define		VM_NameServe		1
#define		VM_ContainerConfig	2
#define		VM_Ioctl		3
#define		VM_FilesystemIoctl	4
#define		VM_CloseAll		5
#define		VM_CtBlockRead		6
#define		VM_CtBlockWrite		7
#define		VM_SliceBlockRead	8	/* raw access to configured "storage objects" */
#define		VM_SliceBlockWrite	9
#define		VM_DriveBlockRead	10	/* raw access to physical devices */
#define		VM_DriveBlockWrite	11
#define		VM_EnclosureMgt		12	/* enclosure management */
#define		VM_Unused		13	/* used to be diskset management */
#define		VM_CtBlockVerify	14
#define		VM_CtPerf		15	/* performance test */
#define		VM_CtBlockRead64	16
#define		VM_CtBlockWrite64	17
#define		VM_CtBlockVerify64	18
#define		VM_CtHostRead64		19
#define		VM_CtHostWrite64	20
#define		VM_DrvErrTblLog		21
#define		VM_NameServe64		22
#define		VM_NameServeAllBlk	30

#define		MAX_VMCOMMAND_NUM	23	/* used for sizing stats array - leave last */

/*
 *	Descriptive information (eg, vital stats)
 *	that a content manager might report.  The
 *	FileArray filesystem component is one example
 *	of a content manager.  Raw mode might be
 *	another.
 */

struct aac_fsinfo {
	__le32  fsTotalSize;	/* Consumed by fs, incl. metadata */
	__le32  fsBlockSize;
	__le32  fsFragSize;
	__le32  fsMaxExtendSize;
	__le32  fsSpaceUnits;
	__le32  fsMaxNumFiles;
	__le32  fsNumFreeFiles;
	__le32  fsInodeDensity;
};	/* valid iff ObjType == FT_FILESYS && !(ContentState & FSCS_NOTCLEAN) */

struct  aac_blockdevinfo {
	__le32	block_size;
	__le32  logical_phys_map;
	u8	identifier[16];
};

union aac_contentinfo {
	struct	aac_fsinfo		filesys;
	struct	aac_blockdevinfo	bdevinfo;
};

/*
 *	Query for Container Configuration Status
 */

#define CT_GET_CONFIG_STATUS 147
struct aac_get_config_status {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_GET_CONFIG_STATUS */
	__le32		parm1;
	__le32		parm2;
	__le32		parm3;
	__le32		parm4;
	__le32		parm5;
	__le32		count;	/* sizeof(((struct aac_get_config_status_resp *)NULL)->data) */
};

#define CFACT_CONTINUE 0
#define CFACT_PAUSE    1
#define CFACT_ABORT    2
struct aac_get_config_status_resp {
	__le32		response; /* ST_OK */
	__le32		dummy0;
	__le32		status;	/* CT_OK */
	__le32		parm1;
	__le32		parm2;
	__le32		parm3;
	__le32		parm4;
	__le32		parm5;
	struct {
		__le32	action; /* CFACT_CONTINUE, CFACT_PAUSE or CFACT_ABORT */
		__le16	flags;
		__le16	count;
	}		data;
};

/*
 *	Accept the configuration as-is
 */

#define CT_COMMIT_CONFIG 152

struct aac_commit_config {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_COMMIT_CONFIG */
};

/*
 *	Query for Container Configuration Status
 */

#define CT_GET_CONTAINER_COUNT 4
struct aac_get_container_count {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_GET_CONTAINER_COUNT */
};

struct aac_get_container_count_resp {
	__le32		response; /* ST_OK */
	__le32		dummy0;
	__le32		MaxContainers;
	__le32		ContainerSwitchEntries;
	__le32		MaxPartitions;
	__le32		MaxSimpleVolumes;
};


/*
 *	Query for "mountable" objects, ie, objects that are typically
 *	associated with a drive letter on the client (host) side.
 */

struct aac_mntent {
	__le32			oid;
	u8			name[16];	/* if applicable */
	struct creation_info	create_info;	/* if applicable */
	__le32			capacity;
	__le32			vol;		/* substrate structure */
	__le32			obj;		/* FT_FILESYS, etc. */
	__le32			state;		/* unready for mounting,
						   readonly, etc. */
	union aac_contentinfo	fileinfo;	/* Info specific to content
						   manager (eg, filesystem) */
	__le32			altoid;		/* != oid <==> snapshot or
						   broken mirror exists */
	__le32			capacityhigh;
};

#define FSCS_NOTCLEAN	0x0001  /* fsck is necessary before mounting */
#define FSCS_READONLY	0x0002	/* possible result of broken mirror */
#define FSCS_HIDDEN	0x0004	/* should be ignored - set during a clear */
#define FSCS_NOT_READY	0x0008	/* Array spinning up to fulfil request */

struct aac_query_mount {
	__le32		command;
	__le32		type;
	__le32		count;
};

struct aac_mount {
	__le32		status;
	__le32		type;           /* should be same as that requested */
	__le32		count;
	struct aac_mntent mnt[1];
};

#define CT_READ_NAME 130
struct aac_get_name {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_READ_NAME */
	__le32		cid;
	__le32		parm1;
	__le32		parm2;
	__le32		parm3;
	__le32		parm4;
	__le32		count;	/* sizeof(((struct aac_get_name_resp *)NULL)->data) */
};

struct aac_get_name_resp {
	__le32		dummy0;
	__le32		dummy1;
	__le32		status;	/* CT_OK */
	__le32		parm1;
	__le32		parm2;
	__le32		parm3;
	__le32		parm4;
	__le32		parm5;
	u8		data[17];
};

#define CT_CID_TO_32BITS_UID 165
struct aac_get_serial {
	__le32		command;	/* VM_ContainerConfig */
	__le32		type;		/* CT_CID_TO_32BITS_UID */
	__le32		cid;
};

struct aac_get_serial_resp {
	__le32		dummy0;
	__le32		dummy1;
	__le32		status;	/* CT_OK */
	__le32		uid;
};

/*
 * The following command is sent to shut down each container.
 */

struct aac_close {
	__le32	command;
	__le32	cid;
};

struct aac_query_disk
{
	s32	cnum;
	s32	bus;
	s32	id;
	s32	lun;
	u32	valid;
	u32	locked;
	u32	deleted;
	s32	instance;
	s8	name[10];
	u32	unmapped;
};

struct aac_delete_disk {
	u32	disknum;
	u32	cnum;
};

struct fib_ioctl
{
	u32	fibctx;
	s32	wait;
	char	__user *fib;
};

struct revision
{
	u32 compat;
	__le32 version;
	__le32 build;
};


/*
 *	Ugly - non Linux like ioctl coding for back compat.
 */

#define CTL_CODE(function, method) (                 \
    (4<< 16) | ((function) << 2) | (method) \
)

/*
 *	Define the method codes for how buffers are passed for I/O and FS
 *	controls
 */

#define METHOD_BUFFERED                 0
#define METHOD_NEITHER                  3

/*
 *	Filesystem ioctls
 */

#define FSACTL_SENDFIB				CTL_CODE(2050, METHOD_BUFFERED)
#define FSACTL_SEND_RAW_SRB			CTL_CODE(2067, METHOD_BUFFERED)
#define FSACTL_DELETE_DISK			0x163
#define FSACTL_QUERY_DISK			0x173
#define FSACTL_OPEN_GET_ADAPTER_FIB		CTL_CODE(2100, METHOD_BUFFERED)
#define FSACTL_GET_NEXT_ADAPTER_FIB		CTL_CODE(2101, METHOD_BUFFERED)
#define FSACTL_CLOSE_GET_ADAPTER_FIB		CTL_CODE(2102, METHOD_BUFFERED)
#define FSACTL_MINIPORT_REV_CHECK               CTL_CODE(2107, METHOD_BUFFERED)
#define FSACTL_GET_PCI_INFO			CTL_CODE(2119, METHOD_BUFFERED)
#define FSACTL_FORCE_DELETE_DISK		CTL_CODE(2120, METHOD_NEITHER)
#define FSACTL_GET_CONTAINERS			2131
#define FSACTL_SEND_LARGE_FIB			CTL_CODE(2138, METHOD_BUFFERED)
#define FSACTL_RESET_IOP			CTL_CODE(2140, METHOD_BUFFERED)
#define FSACTL_GET_HBA_INFO			CTL_CODE(2150, METHOD_BUFFERED)
/* flags defined for IOP & HW SOFT RESET */
#define HW_IOP_RESET				0x01
#define HW_SOFT_RESET				0x02
#define IOP_HWSOFT_RESET			(HW_IOP_RESET | HW_SOFT_RESET)
/* HW Soft Reset register offset */
#define IBW_SWR_OFFSET				0x4000
#define SOFT_RESET_TIME			60



struct aac_common
{
	/*
	 *	If this value is set to 1 then interrupt moderation will occur
	 *	in the base commuication support.
	 */
	u32 irq_mod;
	u32 peak_fibs;
	u32 zero_fibs;
	u32 fib_timeouts;
	/*
	 *	Statistical counters in debug mode
	 */
#ifdef DBG
	u32 FibsSent;
	u32 FibRecved;
	u32 NativeSent;
	u32 NativeRecved;
	u32 NoResponseSent;
	u32 NoResponseRecved;
	u32 AsyncSent;
	u32 AsyncRecved;
	u32 NormalSent;
	u32 NormalRecved;
#endif
};

extern struct aac_common aac_config;

/*
 * This is for management ioctl purpose only.
 */
struct aac_hba_info {

	u8	driver_name[50];
	u8	adapter_number;
	u8	system_io_bus_number;
	u8	device_number;
	u32	function_number;
	u32	vendor_id;
	u32	device_id;
	u32	sub_vendor_id;
	u32	sub_system_id;
	u32	mapped_base_address_size;
	u32	base_physical_address_high_part;
	u32	base_physical_address_low_part;

	u32	max_command_size;
	u32	max_fib_size;
	u32	max_scatter_gather_from_os;
	u32	max_scatter_gather_to_fw;
	u32	max_outstanding_fibs;

	u32	queue_start_threshold;
	u32	queue_dump_threshold;
	u32	max_io_size_queued;
	u32	outstanding_io;

	u32	firmware_build_number;
	u32	bios_build_number;
	u32	driver_build_number;
	u32	serial_number_high_part;
	u32	serial_number_low_part;
	u32	supported_options;
	u32	feature_bits;
	u32	currentnumber_ports;

	u8	new_comm_interface:1;
	u8	new_commands_supported:1;
	u8	disable_passthrough:1;
	u8	expose_non_dasd:1;
	u8	queue_allowed:1;
	u8	bled_check_enabled:1;
	u8	reserved1:1;
	u8	reserted2:1;

	u32	reserved3[10];

};

/*
 *	The following macro is used when sending and receiving FIBs. It is
 *	only used for debugging.
 */

#ifdef DBG
#define	FIB_COUNTER_INCREMENT(counter)		(counter)++
#else
#define	FIB_COUNTER_INCREMENT(counter)
#endif

/*
 *	Adapter direct commands
 *	Monitor/Kernel API
 */

#define	BREAKPOINT_REQUEST		0x00000004
#define	INIT_STRUCT_BASE_ADDRESS	0x00000005
#define READ_PERMANENT_PARAMETERS	0x0000000a
#define WRITE_PERMANENT_PARAMETERS	0x0000000b
#define HOST_CRASHING			0x0000000d
#define	SEND_SYNCHRONOUS_FIB		0x0000000c
#define COMMAND_POST_RESULTS		0x00000014
#define GET_ADAPTER_PROPERTIES		0x00000019
#define GET_DRIVER_BUFFER_PROPERTIES	0x00000023
#define RCV_TEMP_READINGS		0x00000025
#define GET_COMM_PREFERRED_SETTINGS	0x00000026
#define IOP_RESET_FW_FIB_DUMP		0x00000034
#define DROP_IO			0x00000035
#define IOP_RESET			0x00001000
#define IOP_RESET_ALWAYS		0x00001001
#define RE_INIT_ADAPTER		0x000000ee

#define IOP_SRC_RESET_MASK		0x00000100

/*
 *	Adapter Status Register
 *
 *  Phase Staus mailbox is 32bits:
 *	<31:16> = Phase Status
 *	<15:0>  = Phase
 *
 *	The adapter reports is present state through the phase.  Only
 *	a single phase should be ever be set.  Each phase can have multiple
 *	phase status bits to provide more detailed information about the
 *	state of the board.  Care should be taken to ensure that any phase
 *	status bits that are set when changing the phase are also valid
 *	for the new phase or be cleared out.  Adapter software (monitor,
 *	iflash, kernel) is responsible for properly maintining the phase
 *	status mailbox when it is running.
 *
 *	MONKER_API Phases
 *
 *	Phases are bit oriented.  It is NOT valid  to have multiple bits set
 */

#define	SELF_TEST_FAILED		0x00000004
#define	MONITOR_PANIC			0x00000020
#define	KERNEL_BOOTING			0x00000040
#define	KERNEL_UP_AND_RUNNING		0x00000080
#define	KERNEL_PANIC			0x00000100
#define	FLASH_UPD_PENDING		0x00002000
#define	FLASH_UPD_SUCCESS		0x00004000
#define	FLASH_UPD_FAILED		0x00008000
#define	INVALID_OMR			0xffffffff
#define	FWUPD_TIMEOUT			(5 * 60)

/*
 *	Doorbell bit defines
 */

#define DoorBellSyncCmdAvailable	(1<<0)	/* Host -> Adapter */
#define DoorBellPrintfDone		(1<<5)	/* Host -> Adapter */
#define DoorBellAdapterNormCmdReady	(1<<1)	/* Adapter -> Host */
#define DoorBellAdapterNormRespReady	(1<<2)	/* Adapter -> Host */
#define DoorBellAdapterNormCmdNotFull	(1<<3)	/* Adapter -> Host */
#define DoorBellAdapterNormRespNotFull	(1<<4)	/* Adapter -> Host */
#define DoorBellPrintfReady		(1<<5)	/* Adapter -> Host */
#define DoorBellAifPending		(1<<6)	/* Adapter -> Host */

/* PMC specific outbound doorbell bits */
#define PmDoorBellResponseSent		(1<<1)	/* Adapter -> Host */

/*
 *	For FIB communication, we need all of the following things
 *	to send back to the user.
 */

#define		AifCmdEventNotify	1	/* Notify of event */
#define			AifEnConfigChange	3	/* Adapter configuration change */
#define			AifEnContainerChange	4	/* Container configuration change */
#define			AifEnDeviceFailure	5	/* SCSI device failed */
#define			AifEnEnclosureManagement 13	/* EM_DRIVE_* */
#define				EM_DRIVE_INSERTION	31
#define				EM_DRIVE_REMOVAL	32
#define			EM_SES_DRIVE_INSERTION	33
#define			EM_SES_DRIVE_REMOVAL	26
#define			AifEnBatteryEvent	14	/* Change in Battery State */
#define			AifEnAddContainer	15	/* A new array was created */
#define			AifEnDeleteContainer	16	/* A container was deleted */
#define			AifEnExpEvent		23	/* Firmware Event Log */
#define			AifExeFirmwarePanic	3	/* Firmware Event Panic */
#define			AifHighPriority		3	/* Highest Priority Event */
#define			AifEnAddJBOD		30	/* JBOD created */
#define			AifEnDeleteJBOD		31	/* JBOD deleted */

#define			AifBuManagerEvent		42 /* Bu management*/
#define			AifBuCacheDataLoss		10
#define			AifBuCacheDataRecover	11

#define		AifCmdJobProgress	2	/* Progress report */
#define			AifJobCtrZero	101	/* Array Zero progress */
#define			AifJobStsSuccess 1	/* Job completes */
#define			AifJobStsRunning 102	/* Job running */
#define		AifCmdAPIReport		3	/* Report from other user of API */
#define		AifCmdDriverNotify	4	/* Notify host driver of event */
#define			AifDenMorphComplete 200	/* A morph operation completed */
#define			AifDenVolumeExtendComplete 201 /* A volume extend completed */
#define		AifReqJobList		100	/* Gets back complete job list */
#define		AifReqJobsForCtr	101	/* Gets back jobs for specific container */
#define		AifReqJobsForScsi	102	/* Gets back jobs for specific SCSI device */
#define		AifReqJobReport		103	/* Gets back a specific job report or list of them */
#define		AifReqTerminateJob	104	/* Terminates job */
#define		AifReqSuspendJob	105	/* Suspends a job */
#define		AifReqResumeJob		106	/* Resumes a job */
#define		AifReqSendAPIReport	107	/* API generic report requests */
#define		AifReqAPIJobStart	108	/* Start a job from the API */
#define		AifReqAPIJobUpdate	109	/* Update a job report from the API */
#define		AifReqAPIJobFinish	110	/* Finish a job from the API */

/* PMC NEW COMM: Request the event data */
#define		AifReqEvent		200
#define		AifRawDeviceRemove	203	/* RAW device deleted */
#define		AifNativeDeviceAdd	204	/* native HBA device added */
#define		AifNativeDeviceRemove	205	/* native HBA device removed */


/*
 *	Adapter Initiated FIB command structures. Start with the adapter
 *	initiated FIBs that really come from the adapter, and get responded
 *	to by the host.
 */

struct aac_aifcmd {
	__le32 command;		/* Tell host what type of notify this is */
	__le32 seqnum;		/* To allow ordering of reports (if necessary) */
	u8 data[1];		/* Undefined length (from kernel viewpoint) */
};

/**
 *	Convert capacity to cylinders
 *	accounting for the fact capacity could be a 64 bit value
 *
 */
static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor)
{
	sector_div(capacity, divisor);
	return capacity;
}

static inline int aac_pci_offline(struct aac_dev *dev)
{
	return pci_channel_offline(dev->pdev) || dev->handle_pci_error;
}

static inline int aac_adapter_check_health(struct aac_dev *dev)
{
	if (unlikely(aac_pci_offline(dev)))
		return -1;

	return (dev)->a_ops.adapter_check_health(dev);
}


int aac_scan_host(struct aac_dev *dev);

static inline void aac_schedule_safw_scan_worker(struct aac_dev *dev)
{
	schedule_delayed_work(&dev->safw_rescan_work, AAC_SAFW_RESCAN_DELAY);
}

static inline void aac_safw_rescan_worker(struct work_struct *work)
{
	struct aac_dev *dev = container_of(to_delayed_work(work),
		struct aac_dev, safw_rescan_work);

	wait_event(dev->scsi_host_ptr->host_wait,
		!scsi_host_in_recovery(dev->scsi_host_ptr));

	aac_scan_host(dev);
}

static inline void aac_cancel_safw_rescan_worker(struct aac_dev *dev)
{
	if (dev->sa_firmware)
		cancel_delayed_work_sync(&dev->safw_rescan_work);
}

/* SCp.phase values */
#define AAC_OWNER_MIDLEVEL	0x101
#define AAC_OWNER_LOWLEVEL	0x102
#define AAC_OWNER_ERROR_HANDLER	0x103
#define AAC_OWNER_FIRMWARE	0x106

void aac_safw_rescan_worker(struct work_struct *work);
int aac_acquire_irq(struct aac_dev *dev);
void aac_free_irq(struct aac_dev *dev);
int aac_setup_safw_adapter(struct aac_dev *dev);
const char *aac_driverinfo(struct Scsi_Host *);
void aac_fib_vector_assign(struct aac_dev *dev);
struct fib *aac_fib_alloc(struct aac_dev *dev);
struct fib *aac_fib_alloc_tag(struct aac_dev *dev, struct scsi_cmnd *scmd);
int aac_fib_setup(struct aac_dev *dev);
void aac_fib_map_free(struct aac_dev *dev);
void aac_fib_free(struct fib * context);
void aac_fib_init(struct fib * context);
void aac_printf(struct aac_dev *dev, u32 val);
int aac_fib_send(u16 command, struct fib * context, unsigned long size, int priority, int wait, int reply, fib_callback callback, void *ctxt);
int aac_hba_send(u8 command, struct fib *context,
		fib_callback callback, void *ctxt);
int aac_consumer_get(struct aac_dev * dev, struct aac_queue * q, struct aac_entry **entry);
void aac_consumer_free(struct aac_dev * dev, struct aac_queue * q, u32 qnum);
int aac_fib_complete(struct fib * context);
void aac_hba_callback(void *context, struct fib *fibptr);
#define fib_data(fibctx) ((void *)(fibctx)->hw_fib_va->data)
struct aac_dev *aac_init_adapter(struct aac_dev *dev);
void aac_src_access_devreg(struct aac_dev *dev, int mode);
void aac_set_intx_mode(struct aac_dev *dev);
int aac_get_config_status(struct aac_dev *dev, int commit_flag);
int aac_get_containers(struct aac_dev *dev);
int aac_scsi_cmd(struct scsi_cmnd *cmd);
int aac_dev_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg);
#ifndef shost_to_class
#define shost_to_class(shost) &shost->shost_dev
#endif
ssize_t aac_get_serial_number(struct device *dev, char *buf);
int aac_do_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg);
int aac_rx_init(struct aac_dev *dev);
int aac_rkt_init(struct aac_dev *dev);
int aac_nark_init(struct aac_dev *dev);
int aac_sa_init(struct aac_dev *dev);
int aac_src_init(struct aac_dev *dev);
int aac_srcv_init(struct aac_dev *dev);
int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
void aac_define_int_mode(struct aac_dev *dev);
unsigned int aac_response_normal(struct aac_queue * q);
unsigned int aac_command_normal(struct aac_queue * q);
unsigned int aac_intr_normal(struct aac_dev *dev, u32 Index,
			int isAif, int isFastResponse,
			struct hw_fib *aif_fib);
int aac_reset_adapter(struct aac_dev *dev, int forced, u8 reset_type);
int aac_check_health(struct aac_dev * dev);
int aac_command_thread(void *data);
int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context *fibctx);
int aac_fib_adapter_complete(struct fib * fibptr, unsigned short size);
struct aac_driver_ident* aac_get_driver_ident(int devtype);
int aac_get_adapter_info(struct aac_dev* dev);
int aac_send_shutdown(struct aac_dev *dev);
int aac_probe_container(struct aac_dev *dev, int cid);
int _aac_rx_init(struct aac_dev *dev);
int aac_rx_select_comm(struct aac_dev *dev, int comm);
int aac_rx_deliver_producer(struct fib * fib);

static inline int aac_is_src(struct aac_dev *dev)
{
	u16 device = dev->pdev->device;

	if (device == PMC_DEVICE_S6 ||
		device == PMC_DEVICE_S7 ||
		device == PMC_DEVICE_S8)
		return 1;
	return 0;
}

static inline int aac_supports_2T(struct aac_dev *dev)
{
	return (dev->adapter_info.options & AAC_OPT_NEW_COMM_64);
}

char * get_container_type(unsigned type);
extern int numacb;
extern char aac_driver_version[];
extern int startup_timeout;
extern int aif_timeout;
extern int expose_physicals;
extern int aac_reset_devices;
extern int aac_msi;
extern int aac_commit;
extern int update_interval;
extern int check_interval;
extern int aac_check_reset;
extern int aac_fib_dump;
#endif