summaryrefslogtreecommitdiff
path: root/drivers/scsi/aacraid/aachba.c
blob: 70e1cac1975ebedb6608890f756775a0d13b5ffc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	Adaptec AAC series RAID controller driver
 *	(c) Copyright 2001 Red Hat Inc.
 *
 * 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:
 *  aachba.c
 *
 * Abstract: Contains Interfaces to manage IOs.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>
#include <linux/uaccess.h>
#include <linux/module.h>

#include <asm/unaligned.h>

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

#include "aacraid.h"

/* values for inqd_pdt: Peripheral device type in plain English */
#define	INQD_PDT_DA	0x00	/* Direct-access (DISK) device */
#define	INQD_PDT_PROC	0x03	/* Processor device */
#define	INQD_PDT_CHNGR	0x08	/* Changer (jukebox, scsi2) */
#define	INQD_PDT_COMM	0x09	/* Communication device (scsi2) */
#define	INQD_PDT_NOLUN2 0x1f	/* Unknown Device (scsi2) */
#define	INQD_PDT_NOLUN	0x7f	/* Logical Unit Not Present */

#define	INQD_PDT_DMASK	0x1F	/* Peripheral Device Type Mask */
#define	INQD_PDT_QMASK	0xE0	/* Peripheral Device Qualifer Mask */

/*
 *	Sense codes
 */

#define SENCODE_NO_SENSE			0x00
#define SENCODE_END_OF_DATA			0x00
#define SENCODE_BECOMING_READY			0x04
#define SENCODE_INIT_CMD_REQUIRED		0x04
#define SENCODE_UNRECOVERED_READ_ERROR		0x11
#define SENCODE_PARAM_LIST_LENGTH_ERROR		0x1A
#define SENCODE_INVALID_COMMAND			0x20
#define SENCODE_LBA_OUT_OF_RANGE		0x21
#define SENCODE_INVALID_CDB_FIELD		0x24
#define SENCODE_LUN_NOT_SUPPORTED		0x25
#define SENCODE_INVALID_PARAM_FIELD		0x26
#define SENCODE_PARAM_NOT_SUPPORTED		0x26
#define SENCODE_PARAM_VALUE_INVALID		0x26
#define SENCODE_RESET_OCCURRED			0x29
#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET	0x3E
#define SENCODE_INQUIRY_DATA_CHANGED		0x3F
#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED	0x39
#define SENCODE_DIAGNOSTIC_FAILURE		0x40
#define SENCODE_INTERNAL_TARGET_FAILURE		0x44
#define SENCODE_INVALID_MESSAGE_ERROR		0x49
#define SENCODE_LUN_FAILED_SELF_CONFIG		0x4c
#define SENCODE_OVERLAPPED_COMMAND		0x4E

/*
 *	Additional sense codes
 */

#define ASENCODE_NO_SENSE			0x00
#define ASENCODE_END_OF_DATA			0x05
#define ASENCODE_BECOMING_READY			0x01
#define ASENCODE_INIT_CMD_REQUIRED		0x02
#define ASENCODE_PARAM_LIST_LENGTH_ERROR	0x00
#define ASENCODE_INVALID_COMMAND		0x00
#define ASENCODE_LBA_OUT_OF_RANGE		0x00
#define ASENCODE_INVALID_CDB_FIELD		0x00
#define ASENCODE_LUN_NOT_SUPPORTED		0x00
#define ASENCODE_INVALID_PARAM_FIELD		0x00
#define ASENCODE_PARAM_NOT_SUPPORTED		0x01
#define ASENCODE_PARAM_VALUE_INVALID		0x02
#define ASENCODE_RESET_OCCURRED			0x00
#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET	0x00
#define ASENCODE_INQUIRY_DATA_CHANGED		0x03
#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED	0x00
#define ASENCODE_DIAGNOSTIC_FAILURE		0x80
#define ASENCODE_INTERNAL_TARGET_FAILURE	0x00
#define ASENCODE_INVALID_MESSAGE_ERROR		0x00
#define ASENCODE_LUN_FAILED_SELF_CONFIG		0x00
#define ASENCODE_OVERLAPPED_COMMAND		0x00

#define BYTE0(x) (unsigned char)(x)
#define BYTE1(x) (unsigned char)((x) >> 8)
#define BYTE2(x) (unsigned char)((x) >> 16)
#define BYTE3(x) (unsigned char)((x) >> 24)

/* MODE_SENSE data format */
typedef struct {
	struct {
		u8	data_length;
		u8	med_type;
		u8	dev_par;
		u8	bd_length;
	} __attribute__((packed)) hd;
	struct {
		u8	dens_code;
		u8	block_count[3];
		u8	reserved;
		u8	block_length[3];
	} __attribute__((packed)) bd;
		u8	mpc_buf[3];
} __attribute__((packed)) aac_modep_data;

/* MODE_SENSE_10 data format */
typedef struct {
	struct {
		u8	data_length[2];
		u8	med_type;
		u8	dev_par;
		u8	rsrvd[2];
		u8	bd_length[2];
	} __attribute__((packed)) hd;
	struct {
		u8	dens_code;
		u8	block_count[3];
		u8	reserved;
		u8	block_length[3];
	} __attribute__((packed)) bd;
		u8	mpc_buf[3];
} __attribute__((packed)) aac_modep10_data;

/*------------------------------------------------------------------------------
 *              S T R U C T S / T Y P E D E F S
 *----------------------------------------------------------------------------*/
/* SCSI inquiry data */
struct inquiry_data {
	u8 inqd_pdt;	/* Peripheral qualifier | Peripheral Device Type */
	u8 inqd_dtq;	/* RMB | Device Type Qualifier */
	u8 inqd_ver;	/* ISO version | ECMA version | ANSI-approved version */
	u8 inqd_rdf;	/* AENC | TrmIOP | Response data format */
	u8 inqd_len;	/* Additional length (n-4) */
	u8 inqd_pad1[2];/* Reserved - must be zero */
	u8 inqd_pad2;	/* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
	u8 inqd_vid[8];	/* Vendor ID */
	u8 inqd_pid[16];/* Product ID */
	u8 inqd_prl[4];	/* Product Revision Level */
};

/* Added for VPD 0x83 */
struct  tvpd_id_descriptor_type_1 {
	u8 codeset:4;		/* VPD_CODE_SET */
	u8 reserved:4;
	u8 identifiertype:4;	/* VPD_IDENTIFIER_TYPE */
	u8 reserved2:4;
	u8 reserved3;
	u8 identifierlength;
	u8 venid[8];
	u8 productid[16];
	u8 serialnumber[8];	/* SN in ASCII */

};

struct tvpd_id_descriptor_type_2 {
	u8 codeset:4;		/* VPD_CODE_SET */
	u8 reserved:4;
	u8 identifiertype:4;	/* VPD_IDENTIFIER_TYPE */
	u8 reserved2:4;
	u8 reserved3;
	u8 identifierlength;
	struct teu64id {
		u32 Serial;
		 /* The serial number supposed to be 40 bits,
		  * bit we only support 32, so make the last byte zero. */
		u8 reserved;
		u8 venid[3];
	} eu64id;

};

struct tvpd_id_descriptor_type_3 {
	u8 codeset : 4;          /* VPD_CODE_SET */
	u8 reserved : 4;
	u8 identifiertype : 4;   /* VPD_IDENTIFIER_TYPE */
	u8 reserved2 : 4;
	u8 reserved3;
	u8 identifierlength;
	u8 Identifier[16];
};

struct tvpd_page83 {
	u8 DeviceType:5;
	u8 DeviceTypeQualifier:3;
	u8 PageCode;
	u8 reserved;
	u8 PageLength;
	struct tvpd_id_descriptor_type_1 type1;
	struct tvpd_id_descriptor_type_2 type2;
	struct tvpd_id_descriptor_type_3 type3;
};

/*
 *              M O D U L E   G L O B A L S
 */

static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
				struct aac_raw_io2 *rio2, int sg_max);
static long aac_build_sghba(struct scsi_cmnd *scsicmd,
				struct aac_hba_cmd_req *hbacmd,
				int sg_max, u64 sg_address);
static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
				int pages, int nseg, int nseg_new);
static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd);
static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
static int aac_send_hba_fib(struct scsi_cmnd *scsicmd);
#ifdef AAC_DETAILED_STATUS_INFO
static char *aac_get_status_string(u32 status);
#endif

/*
 *	Non dasd selection is handled entirely in aachba now
 */

static int nondasd = -1;
static int aac_cache = 2;	/* WCE=0 to avoid performance problems */
static int dacmode = -1;
int aac_msi;
int aac_commit = -1;
int startup_timeout = 180;
int aif_timeout = 120;
int aac_sync_mode;  /* Only Sync. transfer - disabled */
static int aac_convert_sgl = 1;	/* convert non-conformable s/g list - enabled */

module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
	" 0=off, 1=on");
module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
	" 0=off, 1=on");
module_param(nondasd, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
	" 0=off, 1=on");
module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
	"\tbit 0 - Disable FUA in WRITE SCSI commands\n"
	"\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
	"\tbit 2 - Disable only if Battery is protecting Cache");
module_param(dacmode, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
	" 0=off, 1=on");
module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
	" adapter for foreign arrays.\n"
	"This is typically needed in systems that do not have a BIOS."
	" 0=off, 1=on");
module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(msi, "IRQ handling."
	" 0=PIC(default), 1=MSI, 2=MSI-X)");
module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
	" adapter to have its kernel up and\n"
	"running. This is typically adjusted for large systems that do not"
	" have a BIOS.");
module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
	" applications to pick up AIFs before\n"
	"deregistering them. This is typically adjusted for heavily burdened"
	" systems.");

int aac_fib_dump;
module_param(aac_fib_dump, int, 0644);
MODULE_PARM_DESC(aac_fib_dump, "Dump controller fibs prior to IOP_RESET 0=off, 1=on");

int numacb = -1;
module_param(numacb, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
	" blocks (FIB) allocated. Valid values are 512 and down. Default is"
	" to use suggestion from Firmware.");

static int acbsize = -1;
module_param(acbsize, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
	" size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
	" suggestion from Firmware.");

int update_interval = 30 * 60;
module_param(update_interval, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
	" updates issued to adapter.");

int check_interval = 60;
module_param(check_interval, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
	" checks.");

int aac_check_reset = 1;
module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
	" adapter. a value of -1 forces the reset to adapters programmed to"
	" ignore it.");

int expose_physicals = -1;
module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
	" -1=protect 0=off, 1=on");

int aac_reset_devices;
module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");

static int aac_wwn = 1;
module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
	"\t0 - Disable\n"
	"\t1 - Array Meta Data Signature (default)\n"
	"\t2 - Adapter Serial Number");


static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
		struct fib *fibptr) {
	struct scsi_device *device;

	if (unlikely(!scsicmd)) {
		dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
		aac_fib_complete(fibptr);
		return 0;
	}
	aac_priv(scsicmd)->owner = AAC_OWNER_MIDLEVEL;
	device = scsicmd->device;
	if (unlikely(!device)) {
		dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
		aac_fib_complete(fibptr);
		return 0;
	}
	return 1;
}

/**
 *	aac_get_config_status	-	check the adapter configuration
 *	@dev: aac driver data
 *	@commit_flag: force sending CT_COMMIT_CONFIG
 *
 *	Query config status, and commit the configuration if needed.
 */
int aac_get_config_status(struct aac_dev *dev, int commit_flag)
{
	int status = 0;
	struct fib * fibptr;

	if (!(fibptr = aac_fib_alloc(dev)))
		return -ENOMEM;

	aac_fib_init(fibptr);
	{
		struct aac_get_config_status *dinfo;
		dinfo = (struct aac_get_config_status *) fib_data(fibptr);

		dinfo->command = cpu_to_le32(VM_ContainerConfig);
		dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
		dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
	}

	status = aac_fib_send(ContainerCommand,
			    fibptr,
			    sizeof (struct aac_get_config_status),
			    FsaNormal,
			    1, 1,
			    NULL, NULL);
	if (status < 0) {
		printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
	} else {
		struct aac_get_config_status_resp *reply
		  = (struct aac_get_config_status_resp *) fib_data(fibptr);
		dprintk((KERN_WARNING
		  "aac_get_config_status: response=%d status=%d action=%d\n",
		  le32_to_cpu(reply->response),
		  le32_to_cpu(reply->status),
		  le32_to_cpu(reply->data.action)));
		if ((le32_to_cpu(reply->response) != ST_OK) ||
		     (le32_to_cpu(reply->status) != CT_OK) ||
		     (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
			printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
			status = -EINVAL;
		}
	}
	/* Do not set XferState to zero unless receives a response from F/W */
	if (status >= 0)
		aac_fib_complete(fibptr);

	/* Send a CT_COMMIT_CONFIG to enable discovery of devices */
	if (status >= 0) {
		if ((aac_commit == 1) || commit_flag) {
			struct aac_commit_config * dinfo;
			aac_fib_init(fibptr);
			dinfo = (struct aac_commit_config *) fib_data(fibptr);

			dinfo->command = cpu_to_le32(VM_ContainerConfig);
			dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);

			status = aac_fib_send(ContainerCommand,
				    fibptr,
				    sizeof (struct aac_commit_config),
				    FsaNormal,
				    1, 1,
				    NULL, NULL);
			/* Do not set XferState to zero unless
			 * receives a response from F/W */
			if (status >= 0)
				aac_fib_complete(fibptr);
		} else if (aac_commit == 0) {
			printk(KERN_WARNING
			  "aac_get_config_status: Foreign device configurations are being ignored\n");
		}
	}
	/* FIB should be freed only after getting the response from the F/W */
	if (status != -ERESTARTSYS)
		aac_fib_free(fibptr);
	return status;
}

static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
{
	char inq_data;
	scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
	if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
		inq_data &= 0xdf;
		scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
	}
}

/**
 *	aac_get_containers	-	list containers
 *	@dev: aac driver data
 *
 *	Make a list of all containers on this controller
 */
int aac_get_containers(struct aac_dev *dev)
{
	struct fsa_dev_info *fsa_dev_ptr;
	u32 index;
	int status = 0;
	struct fib * fibptr;
	struct aac_get_container_count *dinfo;
	struct aac_get_container_count_resp *dresp;
	int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;

	if (!(fibptr = aac_fib_alloc(dev)))
		return -ENOMEM;

	aac_fib_init(fibptr);
	dinfo = (struct aac_get_container_count *) fib_data(fibptr);
	dinfo->command = cpu_to_le32(VM_ContainerConfig);
	dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);

	status = aac_fib_send(ContainerCommand,
		    fibptr,
		    sizeof (struct aac_get_container_count),
		    FsaNormal,
		    1, 1,
		    NULL, NULL);
	if (status >= 0) {
		dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
		maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
		if (fibptr->dev->supplement_adapter_info.supported_options2 &
		    AAC_OPTION_SUPPORTED_240_VOLUMES) {
			maximum_num_containers =
				le32_to_cpu(dresp->MaxSimpleVolumes);
		}
		aac_fib_complete(fibptr);
	}
	/* FIB should be freed only after getting the response from the F/W */
	if (status != -ERESTARTSYS)
		aac_fib_free(fibptr);

	if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
		maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
	if (dev->fsa_dev == NULL ||
		dev->maximum_num_containers != maximum_num_containers) {

		fsa_dev_ptr = dev->fsa_dev;

		dev->fsa_dev = kcalloc(maximum_num_containers,
					sizeof(*fsa_dev_ptr), GFP_KERNEL);

		kfree(fsa_dev_ptr);
		fsa_dev_ptr = NULL;


		if (!dev->fsa_dev)
			return -ENOMEM;

		dev->maximum_num_containers = maximum_num_containers;
	}
	for (index = 0; index < dev->maximum_num_containers; index++) {
		dev->fsa_dev[index].devname[0] = '\0';
		dev->fsa_dev[index].valid = 0;

		status = aac_probe_container(dev, index);

		if (status < 0) {
			printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
			break;
		}
	}
	return status;
}

static void aac_scsi_done(struct scsi_cmnd *scmd)
{
	if (scmd->device->request_queue) {
		/* SCSI command has been submitted by the SCSI mid-layer. */
		scsi_done(scmd);
	} else {
		/* SCSI command has been submitted by aac_probe_container(). */
		aac_probe_container_scsi_done(scmd);
	}
}

static void get_container_name_callback(void *context, struct fib * fibptr)
{
	struct aac_get_name_resp * get_name_reply;
	struct scsi_cmnd * scsicmd;

	scsicmd = (struct scsi_cmnd *) context;

	if (!aac_valid_context(scsicmd, fibptr))
		return;

	dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
	BUG_ON(fibptr == NULL);

	get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
	/* Failure is irrelevant, using default value instead */
	if ((le32_to_cpu(get_name_reply->status) == CT_OK)
	 && (get_name_reply->data[0] != '\0')) {
		char *sp = get_name_reply->data;
		int data_size = sizeof_field(struct aac_get_name_resp, data);

		sp[data_size - 1] = '\0';
		while (*sp == ' ')
			++sp;
		if (*sp) {
			struct inquiry_data inq;
			char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
			int count = sizeof(d);
			char *dp = d;
			do {
				*dp++ = (*sp) ? *sp++ : ' ';
			} while (--count > 0);

			scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
			memcpy(inq.inqd_pid, d, sizeof(d));
			scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
		}
	}

	scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;

	aac_fib_complete(fibptr);
	aac_scsi_done(scsicmd);
}

/*
 *	aac_get_container_name	-	get container name, none blocking.
 */
static int aac_get_container_name(struct scsi_cmnd * scsicmd)
{
	int status;
	int data_size;
	struct aac_get_name *dinfo;
	struct fib * cmd_fibcontext;
	struct aac_dev * dev;

	dev = (struct aac_dev *)scsicmd->device->host->hostdata;

	data_size = sizeof_field(struct aac_get_name_resp, data);

	cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);

	aac_fib_init(cmd_fibcontext);
	dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;

	dinfo->command = cpu_to_le32(VM_ContainerConfig);
	dinfo->type = cpu_to_le32(CT_READ_NAME);
	dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
	dinfo->count = cpu_to_le32(data_size - 1);

	status = aac_fib_send(ContainerCommand,
		  cmd_fibcontext,
		  sizeof(struct aac_get_name_resp),
		  FsaNormal,
		  0, 1,
		  (fib_callback)get_container_name_callback,
		  (void *) scsicmd);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
	aac_fib_complete(cmd_fibcontext);
	return -1;
}

static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
{
	struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;

	if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
		return aac_scsi_cmd(scsicmd);

	scsicmd->result = DID_NO_CONNECT << 16;
	aac_scsi_done(scsicmd);
	return 0;
}

static void _aac_probe_container2(void * context, struct fib * fibptr)
{
	struct fsa_dev_info *fsa_dev_ptr;
	int (*callback)(struct scsi_cmnd *);
	struct scsi_cmnd *scsicmd = context;
	struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
	int i;


	if (!aac_valid_context(scsicmd, fibptr))
		return;

	cmd_priv->status = 0;
	fsa_dev_ptr = fibptr->dev->fsa_dev;
	if (fsa_dev_ptr) {
		struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
		__le32 sup_options2;

		fsa_dev_ptr += scmd_id(scsicmd);
		sup_options2 =
			fibptr->dev->supplement_adapter_info.supported_options2;

		if ((le32_to_cpu(dresp->status) == ST_OK) &&
		    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
		    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
			if (!(sup_options2 & AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
				dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
				fsa_dev_ptr->block_size = 0x200;
			} else {
				fsa_dev_ptr->block_size =
					le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
			}
			for (i = 0; i < 16; i++)
				fsa_dev_ptr->identifier[i] =
					dresp->mnt[0].fileinfo.bdevinfo
								.identifier[i];
			fsa_dev_ptr->valid = 1;
			/* sense_key holds the current state of the spin-up */
			if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
				fsa_dev_ptr->sense_data.sense_key = NOT_READY;
			else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
				fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
			fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
			fsa_dev_ptr->size
			  = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
			    (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
			fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
		}
		if ((fsa_dev_ptr->valid & 1) == 0)
			fsa_dev_ptr->valid = 0;
		cmd_priv->status = le32_to_cpu(dresp->count);
	}
	aac_fib_complete(fibptr);
	aac_fib_free(fibptr);
	callback = cmd_priv->callback;
	cmd_priv->callback = NULL;
	(*callback)(scsicmd);
	return;
}

static void _aac_probe_container1(void * context, struct fib * fibptr)
{
	struct scsi_cmnd * scsicmd;
	struct aac_mount * dresp;
	struct aac_query_mount *dinfo;
	int status;

	dresp = (struct aac_mount *) fib_data(fibptr);
	if (!aac_supports_2T(fibptr->dev)) {
		dresp->mnt[0].capacityhigh = 0;
		if ((le32_to_cpu(dresp->status) == ST_OK) &&
			(le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
			_aac_probe_container2(context, fibptr);
			return;
		}
	}
	scsicmd = (struct scsi_cmnd *) context;

	if (!aac_valid_context(scsicmd, fibptr))
		return;

	aac_fib_init(fibptr);

	dinfo = (struct aac_query_mount *)fib_data(fibptr);

	if (fibptr->dev->supplement_adapter_info.supported_options2 &
	    AAC_OPTION_VARIABLE_BLOCK_SIZE)
		dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
	else
		dinfo->command = cpu_to_le32(VM_NameServe64);

	dinfo->count = cpu_to_le32(scmd_id(scsicmd));
	dinfo->type = cpu_to_le32(FT_FILESYS);
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;

	status = aac_fib_send(ContainerCommand,
			  fibptr,
			  sizeof(struct aac_query_mount),
			  FsaNormal,
			  0, 1,
			  _aac_probe_container2,
			  (void *) scsicmd);
	/*
	 *	Check that the command queued to the controller
	 */
	if (status < 0 && status != -EINPROGRESS) {
		/* Inherit results from VM_NameServe, if any */
		dresp->status = cpu_to_le32(ST_OK);
		_aac_probe_container2(context, fibptr);
	}
}

static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
{
	struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
	struct fib * fibptr;
	int status = -ENOMEM;

	if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
		struct aac_query_mount *dinfo;

		aac_fib_init(fibptr);

		dinfo = (struct aac_query_mount *)fib_data(fibptr);

		if (fibptr->dev->supplement_adapter_info.supported_options2 &
		    AAC_OPTION_VARIABLE_BLOCK_SIZE)
			dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
		else
			dinfo->command = cpu_to_le32(VM_NameServe);

		dinfo->count = cpu_to_le32(scmd_id(scsicmd));
		dinfo->type = cpu_to_le32(FT_FILESYS);
		cmd_priv->callback = callback;
		cmd_priv->owner = AAC_OWNER_FIRMWARE;

		status = aac_fib_send(ContainerCommand,
			  fibptr,
			  sizeof(struct aac_query_mount),
			  FsaNormal,
			  0, 1,
			  _aac_probe_container1,
			  (void *) scsicmd);
		/*
		 *	Check that the command queued to the controller
		 */
		if (status == -EINPROGRESS)
			return 0;

		if (status < 0) {
			cmd_priv->callback = NULL;
			aac_fib_complete(fibptr);
			aac_fib_free(fibptr);
		}
	}
	if (status < 0) {
		struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
		if (fsa_dev_ptr) {
			fsa_dev_ptr += scmd_id(scsicmd);
			if ((fsa_dev_ptr->valid & 1) == 0) {
				fsa_dev_ptr->valid = 0;
				return (*callback)(scsicmd);
			}
		}
	}
	return status;
}

/**
 *	aac_probe_container_callback1	-	query a logical volume
 *	@scsicmd: the scsi command block
 *
 *	Queries the controller about the given volume. The volume information
 *	is updated in the struct fsa_dev_info structure rather than returned.
 */
static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
{
	scsicmd->device = NULL;
	return 0;
}

static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd)
{
	aac_probe_container_callback1(scsi_cmnd);
}

int aac_probe_container(struct aac_dev *dev, int cid)
{
	struct aac_cmd_priv *cmd_priv;
	struct scsi_cmnd *scsicmd = kzalloc(sizeof(*scsicmd) + sizeof(*cmd_priv), GFP_KERNEL);
	struct scsi_device *scsidev = kzalloc(sizeof(*scsidev), GFP_KERNEL);
	int status;

	if (!scsicmd || !scsidev) {
		kfree(scsicmd);
		kfree(scsidev);
		return -ENOMEM;
	}

	scsicmd->device = scsidev;
	scsidev->sdev_state = 0;
	scsidev->id = cid;
	scsidev->host = dev->scsi_host_ptr;

	if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
		while (scsicmd->device == scsidev)
			schedule();
	kfree(scsidev);
	cmd_priv = aac_priv(scsicmd);
	status = cmd_priv->status;
	kfree(scsicmd);
	return status;
}

/* Local Structure to set SCSI inquiry data strings */
struct scsi_inq {
	char vid[8];         /* Vendor ID */
	char pid[16];        /* Product ID */
	char prl[4];         /* Product Revision Level */
};

/**
 *	inqstrcpy	-	string merge
 *	@a:	string to copy from
 *	@b:	string to copy to
 *
 *	Copy a String from one location to another
 *	without copying \0
 */

static void inqstrcpy(char *a, char *b)
{

	while (*a != (char)0)
		*b++ = *a++;
}

static char *container_types[] = {
	"None",
	"Volume",
	"Mirror",
	"Stripe",
	"RAID5",
	"SSRW",
	"SSRO",
	"Morph",
	"Legacy",
	"RAID4",
	"RAID10",
	"RAID00",
	"V-MIRRORS",
	"PSEUDO R4",
	"RAID50",
	"RAID5D",
	"RAID5D0",
	"RAID1E",
	"RAID6",
	"RAID60",
	"Unknown"
};

char * get_container_type(unsigned tindex)
{
	if (tindex >= ARRAY_SIZE(container_types))
		tindex = ARRAY_SIZE(container_types) - 1;
	return container_types[tindex];
}

/* Function: setinqstr
 *
 * Arguments: [1] pointer to void [1] int
 *
 * Purpose: Sets SCSI inquiry data strings for vendor, product
 * and revision level. Allows strings to be set in platform dependent
 * files instead of in OS dependent driver source.
 */

static void setinqstr(struct aac_dev *dev, void *data, int tindex)
{
	struct scsi_inq *str;
	struct aac_supplement_adapter_info *sup_adap_info;

	sup_adap_info = &dev->supplement_adapter_info;
	str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
	memset(str, ' ', sizeof(*str));

	if (sup_adap_info->adapter_type_text[0]) {
		int c;
		char *cp;
		char *cname = kmemdup(sup_adap_info->adapter_type_text,
				sizeof(sup_adap_info->adapter_type_text),
								GFP_ATOMIC);
		if (!cname)
			return;

		cp = cname;
		if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
			inqstrcpy("SMC", str->vid);
		else {
			c = sizeof(str->vid);
			while (*cp && *cp != ' ' && --c)
				++cp;
			c = *cp;
			*cp = '\0';
			inqstrcpy(cname, str->vid);
			*cp = c;
			while (*cp && *cp != ' ')
				++cp;
		}
		while (*cp == ' ')
			++cp;
		/* last six chars reserved for vol type */
		if (strlen(cp) > sizeof(str->pid))
			cp[sizeof(str->pid)] = '\0';
		inqstrcpy (cp, str->pid);

		kfree(cname);
	} else {
		struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);

		inqstrcpy (mp->vname, str->vid);
		/* last six chars reserved for vol type */
		inqstrcpy (mp->model, str->pid);
	}

	if (tindex < ARRAY_SIZE(container_types)){
		char *findit = str->pid;

		for ( ; *findit != ' '; findit++); /* walk till we find a space */
		/* RAID is superfluous in the context of a RAID device */
		if (memcmp(findit-4, "RAID", 4) == 0)
			*(findit -= 4) = ' ';
		if (((findit - str->pid) + strlen(container_types[tindex]))
		 < (sizeof(str->pid) + sizeof(str->prl)))
			inqstrcpy (container_types[tindex], findit + 1);
	}
	inqstrcpy ("V1.0", str->prl);
}

static void build_vpd83_type3(struct tvpd_page83 *vpdpage83data,
		struct aac_dev *dev, struct scsi_cmnd *scsicmd)
{
	int container;

	vpdpage83data->type3.codeset = 1;
	vpdpage83data->type3.identifiertype = 3;
	vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3)
			- 4;

	for (container = 0; container < dev->maximum_num_containers;
			container++) {

		if (scmd_id(scsicmd) == container) {
			memcpy(vpdpage83data->type3.Identifier,
					dev->fsa_dev[container].identifier,
					16);
			break;
		}
	}
}

static void get_container_serial_callback(void *context, struct fib * fibptr)
{
	struct aac_get_serial_resp * get_serial_reply;
	struct scsi_cmnd * scsicmd;

	BUG_ON(fibptr == NULL);

	scsicmd = (struct scsi_cmnd *) context;
	if (!aac_valid_context(scsicmd, fibptr))
		return;

	get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
	/* Failure is irrelevant, using default value instead */
	if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
		/*Check to see if it's for VPD 0x83 or 0x80 */
		if (scsicmd->cmnd[2] == 0x83) {
			/* vpd page 0x83 - Device Identification Page */
			struct aac_dev *dev;
			int i;
			struct tvpd_page83 vpdpage83data;

			dev = (struct aac_dev *)scsicmd->device->host->hostdata;

			memset(((u8 *)&vpdpage83data), 0,
			       sizeof(vpdpage83data));

			/* DIRECT_ACCESS_DEVIC */
			vpdpage83data.DeviceType = 0;
			/* DEVICE_CONNECTED */
			vpdpage83data.DeviceTypeQualifier = 0;
			/* VPD_DEVICE_IDENTIFIERS */
			vpdpage83data.PageCode = 0x83;
			vpdpage83data.reserved = 0;
			vpdpage83data.PageLength =
				sizeof(vpdpage83data.type1) +
				sizeof(vpdpage83data.type2);

			/* VPD 83 Type 3 is not supported for ARC */
			if (dev->sa_firmware)
				vpdpage83data.PageLength +=
				sizeof(vpdpage83data.type3);

			/* T10 Vendor Identifier Field Format */
			/* VpdcodesetAscii */
			vpdpage83data.type1.codeset = 2;
			/* VpdIdentifierTypeVendorId */
			vpdpage83data.type1.identifiertype = 1;
			vpdpage83data.type1.identifierlength =
				sizeof(vpdpage83data.type1) - 4;

			/* "ADAPTEC " for adaptec */
			memcpy(vpdpage83data.type1.venid,
				"ADAPTEC ",
				sizeof(vpdpage83data.type1.venid));
			memcpy(vpdpage83data.type1.productid,
				"ARRAY           ",
				sizeof(
				vpdpage83data.type1.productid));

			/* Convert to ascii based serial number.
			 * The LSB is the end.
			 */
			for (i = 0; i < 8; i++) {
				u8 temp =
					(u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
				if (temp  > 0x9) {
					vpdpage83data.type1.serialnumber[i] =
							'A' + (temp - 0xA);
				} else {
					vpdpage83data.type1.serialnumber[i] =
							'0' + temp;
				}
			}

			/* VpdCodeSetBinary */
			vpdpage83data.type2.codeset = 1;
			/* VpdidentifiertypeEUI64 */
			vpdpage83data.type2.identifiertype = 2;
			vpdpage83data.type2.identifierlength =
				sizeof(vpdpage83data.type2) - 4;

			vpdpage83data.type2.eu64id.venid[0] = 0xD0;
			vpdpage83data.type2.eu64id.venid[1] = 0;
			vpdpage83data.type2.eu64id.venid[2] = 0;

			vpdpage83data.type2.eu64id.Serial =
							get_serial_reply->uid;
			vpdpage83data.type2.eu64id.reserved = 0;

			/*
			 * VpdIdentifierTypeFCPHName
			 * VPD 0x83 Type 3 not supported for ARC
			 */
			if (dev->sa_firmware) {
				build_vpd83_type3(&vpdpage83data,
						dev, scsicmd);
			}

			/* Move the inquiry data to the response buffer. */
			scsi_sg_copy_from_buffer(scsicmd, &vpdpage83data,
						 sizeof(vpdpage83data));
		} else {
			/* It must be for VPD 0x80 */
			char sp[13];
			/* EVPD bit set */
			sp[0] = INQD_PDT_DA;
			sp[1] = scsicmd->cmnd[2];
			sp[2] = 0;
			sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
				le32_to_cpu(get_serial_reply->uid));
			scsi_sg_copy_from_buffer(scsicmd, sp,
						 sizeof(sp));
		}
	}

	scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;

	aac_fib_complete(fibptr);
	aac_scsi_done(scsicmd);
}

/*
 *	aac_get_container_serial - get container serial, none blocking.
 */
static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
{
	int status;
	struct aac_get_serial *dinfo;
	struct fib * cmd_fibcontext;
	struct aac_dev * dev;

	dev = (struct aac_dev *)scsicmd->device->host->hostdata;

	cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);

	aac_fib_init(cmd_fibcontext);
	dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);

	dinfo->command = cpu_to_le32(VM_ContainerConfig);
	dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
	dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;

	status = aac_fib_send(ContainerCommand,
		  cmd_fibcontext,
		  sizeof(struct aac_get_serial_resp),
		  FsaNormal,
		  0, 1,
		  (fib_callback) get_container_serial_callback,
		  (void *) scsicmd);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
	aac_fib_complete(cmd_fibcontext);
	return -1;
}

/* Function: setinqserial
 *
 * Arguments: [1] pointer to void [1] int
 *
 * Purpose: Sets SCSI Unit Serial number.
 *          This is a fake. We should read a proper
 *          serial number from the container. <SuSE>But
 *          without docs it's quite hard to do it :-)
 *          So this will have to do in the meantime.</SuSE>
 */

static int setinqserial(struct aac_dev *dev, void *data, int cid)
{
	/*
	 *	This breaks array migration.
	 */
	return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
			le32_to_cpu(dev->adapter_info.serial[0]), cid);
}

static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
	u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
{
	u8 *sense_buf = (u8 *)sense_data;
	/* Sense data valid, err code 70h */
	sense_buf[0] = 0x70; /* No info field */
	sense_buf[1] = 0;	/* Segment number, always zero */

	sense_buf[2] = sense_key;	/* Sense key */

	sense_buf[12] = sense_code;	/* Additional sense code */
	sense_buf[13] = a_sense_code;	/* Additional sense code qualifier */

	if (sense_key == ILLEGAL_REQUEST) {
		sense_buf[7] = 10;	/* Additional sense length */

		sense_buf[15] = bit_pointer;
		/* Illegal parameter is in the parameter block */
		if (sense_code == SENCODE_INVALID_CDB_FIELD)
			sense_buf[15] |= 0xc0;/* Std sense key specific field */
		/* Illegal parameter is in the CDB block */
		sense_buf[16] = field_pointer >> 8;	/* MSB */
		sense_buf[17] = field_pointer;		/* LSB */
	} else
		sense_buf[7] = 6;	/* Additional sense length */
}

static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
{
	if (lba & 0xffffffff00000000LL) {
		int cid = scmd_id(cmd);
		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
		cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data,
		  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
		  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
		memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
		aac_scsi_done(cmd);
		return 1;
	}
	return 0;
}

static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
{
	return 0;
}

static void io_callback(void *context, struct fib * fibptr);

static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
	struct aac_dev *dev = fib->dev;
	u16 fibsize, command;
	long ret;

	aac_fib_init(fib);
	if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
		dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
		!dev->sync_mode) {
		struct aac_raw_io2 *readcmd2;
		readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
		memset(readcmd2, 0, sizeof(struct aac_raw_io2));
		readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
		readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
		readcmd2->byteCount = cpu_to_le32(count *
			dev->fsa_dev[scmd_id(cmd)].block_size);
		readcmd2->cid = cpu_to_le16(scmd_id(cmd));
		readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
		ret = aac_build_sgraw2(cmd, readcmd2,
				dev->scsi_host_ptr->sg_tablesize);
		if (ret < 0)
			return ret;
		command = ContainerRawIo2;
		fibsize = struct_size(readcmd2, sge,
				     le32_to_cpu(readcmd2->sgeCnt));
	} else {
		struct aac_raw_io *readcmd;
		readcmd = (struct aac_raw_io *) fib_data(fib);
		readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
		readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
		readcmd->count = cpu_to_le32(count *
			dev->fsa_dev[scmd_id(cmd)].block_size);
		readcmd->cid = cpu_to_le16(scmd_id(cmd));
		readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
		readcmd->bpTotal = 0;
		readcmd->bpComplete = 0;
		ret = aac_build_sgraw(cmd, &readcmd->sg);
		if (ret < 0)
			return ret;
		command = ContainerRawIo;
		fibsize = sizeof(struct aac_raw_io) +
			((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
	}

	BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(command,
			  fib,
			  fibsize,
			  FsaNormal,
			  0, 1,
			  (fib_callback) io_callback,
			  (void *) cmd);
}

static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
	u16 fibsize;
	struct aac_read64 *readcmd;
	long ret;

	aac_fib_init(fib);
	readcmd = (struct aac_read64 *) fib_data(fib);
	readcmd->command = cpu_to_le32(VM_CtHostRead64);
	readcmd->cid = cpu_to_le16(scmd_id(cmd));
	readcmd->sector_count = cpu_to_le16(count);
	readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
	readcmd->pad   = 0;
	readcmd->flags = 0;

	ret = aac_build_sg64(cmd, &readcmd->sg);
	if (ret < 0)
		return ret;
	fibsize = sizeof(struct aac_read64) +
		((le32_to_cpu(readcmd->sg.count) - 1) *
		 sizeof (struct sgentry64));
	BUG_ON (fibsize > (fib->dev->max_fib_size -
				sizeof(struct aac_fibhdr)));
	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(ContainerCommand64,
			  fib,
			  fibsize,
			  FsaNormal,
			  0, 1,
			  (fib_callback) io_callback,
			  (void *) cmd);
}

static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
	u16 fibsize;
	struct aac_read *readcmd;
	struct aac_dev *dev = fib->dev;
	long ret;

	aac_fib_init(fib);
	readcmd = (struct aac_read *) fib_data(fib);
	readcmd->command = cpu_to_le32(VM_CtBlockRead);
	readcmd->cid = cpu_to_le32(scmd_id(cmd));
	readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
	readcmd->count = cpu_to_le32(count *
		dev->fsa_dev[scmd_id(cmd)].block_size);

	ret = aac_build_sg(cmd, &readcmd->sg);
	if (ret < 0)
		return ret;
	fibsize = sizeof(struct aac_read) +
			((le32_to_cpu(readcmd->sg.count) - 1) *
			 sizeof (struct sgentry));
	BUG_ON (fibsize > (fib->dev->max_fib_size -
				sizeof(struct aac_fibhdr)));
	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(ContainerCommand,
			  fib,
			  fibsize,
			  FsaNormal,
			  0, 1,
			  (fib_callback) io_callback,
			  (void *) cmd);
}

static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
{
	struct aac_dev *dev = fib->dev;
	u16 fibsize, command;
	long ret;

	aac_fib_init(fib);
	if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
		dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
		!dev->sync_mode) {
		struct aac_raw_io2 *writecmd2;
		writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
		memset(writecmd2, 0, sizeof(struct aac_raw_io2));
		writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
		writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
		writecmd2->byteCount = cpu_to_le32(count *
			dev->fsa_dev[scmd_id(cmd)].block_size);
		writecmd2->cid = cpu_to_le16(scmd_id(cmd));
		writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
						   (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
			cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
			cpu_to_le16(RIO2_IO_TYPE_WRITE);
		ret = aac_build_sgraw2(cmd, writecmd2,
				dev->scsi_host_ptr->sg_tablesize);
		if (ret < 0)
			return ret;
		command = ContainerRawIo2;
		fibsize = struct_size(writecmd2, sge,
				      le32_to_cpu(writecmd2->sgeCnt));
	} else {
		struct aac_raw_io *writecmd;
		writecmd = (struct aac_raw_io *) fib_data(fib);
		writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
		writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
		writecmd->count = cpu_to_le32(count *
			dev->fsa_dev[scmd_id(cmd)].block_size);
		writecmd->cid = cpu_to_le16(scmd_id(cmd));
		writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
						   (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
			cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
			cpu_to_le16(RIO_TYPE_WRITE);
		writecmd->bpTotal = 0;
		writecmd->bpComplete = 0;
		ret = aac_build_sgraw(cmd, &writecmd->sg);
		if (ret < 0)
			return ret;
		command = ContainerRawIo;
		fibsize = sizeof(struct aac_raw_io) +
			((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
	}

	BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(command,
			  fib,
			  fibsize,
			  FsaNormal,
			  0, 1,
			  (fib_callback) io_callback,
			  (void *) cmd);
}

static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
{
	u16 fibsize;
	struct aac_write64 *writecmd;
	long ret;

	aac_fib_init(fib);
	writecmd = (struct aac_write64 *) fib_data(fib);
	writecmd->command = cpu_to_le32(VM_CtHostWrite64);
	writecmd->cid = cpu_to_le16(scmd_id(cmd));
	writecmd->sector_count = cpu_to_le16(count);
	writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
	writecmd->pad	= 0;
	writecmd->flags	= 0;

	ret = aac_build_sg64(cmd, &writecmd->sg);
	if (ret < 0)
		return ret;
	fibsize = sizeof(struct aac_write64) +
		((le32_to_cpu(writecmd->sg.count) - 1) *
		 sizeof (struct sgentry64));
	BUG_ON (fibsize > (fib->dev->max_fib_size -
				sizeof(struct aac_fibhdr)));
	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(ContainerCommand64,
			  fib,
			  fibsize,
			  FsaNormal,
			  0, 1,
			  (fib_callback) io_callback,
			  (void *) cmd);
}

static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
{
	u16 fibsize;
	struct aac_write *writecmd;
	struct aac_dev *dev = fib->dev;
	long ret;

	aac_fib_init(fib);
	writecmd = (struct aac_write *) fib_data(fib);
	writecmd->command = cpu_to_le32(VM_CtBlockWrite);
	writecmd->cid = cpu_to_le32(scmd_id(cmd));
	writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
	writecmd->count = cpu_to_le32(count *
		dev->fsa_dev[scmd_id(cmd)].block_size);
	writecmd->sg.count = cpu_to_le32(1);
	/* ->stable is not used - it did mean which type of write */

	ret = aac_build_sg(cmd, &writecmd->sg);
	if (ret < 0)
		return ret;
	fibsize = sizeof(struct aac_write) +
		((le32_to_cpu(writecmd->sg.count) - 1) *
		 sizeof (struct sgentry));
	BUG_ON (fibsize > (fib->dev->max_fib_size -
				sizeof(struct aac_fibhdr)));
	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(ContainerCommand,
			  fib,
			  fibsize,
			  FsaNormal,
			  0, 1,
			  (fib_callback) io_callback,
			  (void *) cmd);
}

static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
{
	struct aac_srb * srbcmd;
	u32 flag;
	u32 timeout;
	struct aac_dev *dev = fib->dev;

	aac_fib_init(fib);
	switch(cmd->sc_data_direction){
	case DMA_TO_DEVICE:
		flag = SRB_DataOut;
		break;
	case DMA_BIDIRECTIONAL:
		flag = SRB_DataIn | SRB_DataOut;
		break;
	case DMA_FROM_DEVICE:
		flag = SRB_DataIn;
		break;
	case DMA_NONE:
	default:	/* shuts up some versions of gcc */
		flag = SRB_NoDataXfer;
		break;
	}

	srbcmd = (struct aac_srb*) fib_data(fib);
	srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
	srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
	srbcmd->id       = cpu_to_le32(scmd_id(cmd));
	srbcmd->lun      = cpu_to_le32(cmd->device->lun);
	srbcmd->flags    = cpu_to_le32(flag);
	timeout = scsi_cmd_to_rq(cmd)->timeout / HZ;
	if (timeout == 0)
		timeout = (dev->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT);
	srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
	srbcmd->retry_limit = 0; /* Obsolete parameter */
	srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
	return srbcmd;
}

static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
							struct scsi_cmnd *cmd)
{
	struct aac_hba_cmd_req *hbacmd;
	struct aac_dev *dev;
	int bus, target;
	u64 address;

	dev = (struct aac_dev *)cmd->device->host->hostdata;

	hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
	memset(hbacmd, 0, 96);	/* sizeof(*hbacmd) is not necessary */
	/* iu_type is a parameter of aac_hba_send */
	switch (cmd->sc_data_direction) {
	case DMA_TO_DEVICE:
		hbacmd->byte1 = 2;
		break;
	case DMA_FROM_DEVICE:
	case DMA_BIDIRECTIONAL:
		hbacmd->byte1 = 1;
		break;
	case DMA_NONE:
	default:
		break;
	}
	hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);

	bus = aac_logical_to_phys(scmd_channel(cmd));
	target = scmd_id(cmd);
	hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;

	/* we fill in reply_qid later in aac_src_deliver_message */
	/* we fill in iu_type, request_id later in aac_hba_send */
	/* we fill in emb_data_desc_count later in aac_build_sghba */

	memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
	hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));

	address = (u64)fib->hw_error_pa;
	hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
	hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
	hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);

	return hbacmd;
}

static void aac_srb_callback(void *context, struct fib * fibptr);

static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
{
	u16 fibsize;
	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
	long ret;

	ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
	if (ret < 0)
		return ret;
	srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));

	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
	/*
	 *	Build Scatter/Gather list
	 */
	fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
		((le32_to_cpu(srbcmd->sg.count) & 0xff) *
		 sizeof (struct sgentry64));
	BUG_ON (fibsize > (fib->dev->max_fib_size -
				sizeof(struct aac_fibhdr)));

	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(ScsiPortCommand64, fib,
				fibsize, FsaNormal, 0, 1,
				  (fib_callback) aac_srb_callback,
				  (void *) cmd);
}

static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
{
	u16 fibsize;
	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
	long ret;

	ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
	if (ret < 0)
		return ret;
	srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));

	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
	/*
	 *	Build Scatter/Gather list
	 */
	fibsize = sizeof (struct aac_srb) +
		(((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
		 sizeof (struct sgentry));
	BUG_ON (fibsize > (fib->dev->max_fib_size -
				sizeof(struct aac_fibhdr)));

	/*
	 *	Now send the Fib to the adapter
	 */
	return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
				  (fib_callback) aac_srb_callback, (void *) cmd);
}

static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
{
	if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
	    (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
		return FAILED;
	return aac_scsi_32(fib, cmd);
}

static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
{
	struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
	struct aac_dev *dev;
	long ret;

	dev = (struct aac_dev *)cmd->device->host->hostdata;

	ret = aac_build_sghba(cmd, hbacmd,
		dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
	if (ret < 0)
		return ret;

	/*
	 *	Now send the HBA command to the adapter
	 */
	fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
		sizeof(struct aac_hba_sgl);

	return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
				  (fib_callback) aac_hba_callback,
				  (void *) cmd);
}

static int aac_send_safw_bmic_cmd(struct aac_dev *dev,
	struct aac_srb_unit *srbu, void *xfer_buf, int xfer_len)
{
	struct fib	*fibptr;
	dma_addr_t	addr;
	int		rcode;
	int		fibsize;
	struct aac_srb	*srb;
	struct aac_srb_reply *srb_reply;
	struct sgmap64	*sg64;
	u32 vbus;
	u32 vid;

	if (!dev->sa_firmware)
		return 0;

	/* allocate FIB */
	fibptr = aac_fib_alloc(dev);
	if (!fibptr)
		return -ENOMEM;

	aac_fib_init(fibptr);
	fibptr->hw_fib_va->header.XferState &=
		~cpu_to_le32(FastResponseCapable);

	fibsize  = sizeof(struct aac_srb) - sizeof(struct sgentry) +
						sizeof(struct sgentry64);

	/* allocate DMA buffer for response */
	addr = dma_map_single(&dev->pdev->dev, xfer_buf, xfer_len,
							DMA_BIDIRECTIONAL);
	if (dma_mapping_error(&dev->pdev->dev, addr)) {
		rcode = -ENOMEM;
		goto fib_error;
	}

	srb = fib_data(fibptr);
	memcpy(srb, &srbu->srb, sizeof(struct aac_srb));

	vbus = (u32)le16_to_cpu(
			dev->supplement_adapter_info.virt_device_bus);
	vid  = (u32)le16_to_cpu(
			dev->supplement_adapter_info.virt_device_target);

	/* set the common request fields */
	srb->channel		= cpu_to_le32(vbus);
	srb->id			= cpu_to_le32(vid);
	srb->lun		= 0;
	srb->function		= cpu_to_le32(SRBF_ExecuteScsi);
	srb->timeout		= 0;
	srb->retry_limit	= 0;
	srb->cdb_size		= cpu_to_le32(16);
	srb->count		= cpu_to_le32(xfer_len);

	sg64 = (struct sgmap64 *)&srb->sg;
	sg64->count		= cpu_to_le32(1);
	sg64->sg[0].addr[1]	= cpu_to_le32(upper_32_bits(addr));
	sg64->sg[0].addr[0]	= cpu_to_le32(lower_32_bits(addr));
	sg64->sg[0].count	= cpu_to_le32(xfer_len);

	/*
	 * Copy the updated data for other dumping or other usage if needed
	 */
	memcpy(&srbu->srb, srb, sizeof(struct aac_srb));

	/* issue request to the controller */
	rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize, FsaNormal,
					1, 1, NULL, NULL);

	if (rcode == -ERESTARTSYS)
		rcode = -ERESTART;

	if (unlikely(rcode < 0))
		goto bmic_error;

	srb_reply = (struct aac_srb_reply *)fib_data(fibptr);
	memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply));

bmic_error:
	dma_unmap_single(&dev->pdev->dev, addr, xfer_len, DMA_BIDIRECTIONAL);
fib_error:
	aac_fib_complete(fibptr);
	aac_fib_free(fibptr);
	return rcode;
}

static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target)
{

	struct aac_ciss_identify_pd *identify_resp;

	if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW)
		return;

	identify_resp = dev->hba_map[bus][target].safw_identify_resp;
	if (identify_resp == NULL) {
		dev->hba_map[bus][target].qd_limit = 32;
		return;
	}

	if (identify_resp->current_queue_depth_limit <= 0 ||
		identify_resp->current_queue_depth_limit > 255)
		dev->hba_map[bus][target].qd_limit = 32;
	else
		dev->hba_map[bus][target].qd_limit =
			identify_resp->current_queue_depth_limit;
}

static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
	struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target)
{
	int rcode = -ENOMEM;
	int datasize;
	struct aac_srb_unit srbu;
	struct aac_srb *srbcmd;
	struct aac_ciss_identify_pd *identify_reply;

	datasize = sizeof(struct aac_ciss_identify_pd);
	identify_reply = kmalloc(datasize, GFP_KERNEL);
	if (!identify_reply)
		goto out;

	memset(&srbu, 0, sizeof(struct aac_srb_unit));

	srbcmd = &srbu.srb;
	srbcmd->flags	= cpu_to_le32(SRB_DataIn);
	srbcmd->cdb[0]	= 0x26;
	srbcmd->cdb[2]	= (u8)((AAC_MAX_LUN + target) & 0x00FF);
	srbcmd->cdb[6]	= CISS_IDENTIFY_PHYSICAL_DEVICE;

	rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize);
	if (unlikely(rcode < 0))
		goto mem_free_all;

	*identify_resp = identify_reply;

out:
	return rcode;
mem_free_all:
	kfree(identify_reply);
	goto out;
}

static inline void aac_free_safw_ciss_luns(struct aac_dev *dev)
{
	kfree(dev->safw_phys_luns);
	dev->safw_phys_luns = NULL;
}

/**
 *	aac_get_safw_ciss_luns() - Process topology change
 *	@dev:		aac_dev structure
 *
 *	Execute a CISS REPORT PHYS LUNS and process the results into
 *	the current hba_map.
 */
static int aac_get_safw_ciss_luns(struct aac_dev *dev)
{
	int rcode = -ENOMEM;
	int datasize;
	struct aac_srb *srbcmd;
	struct aac_srb_unit srbu;
	struct aac_ciss_phys_luns_resp *phys_luns;

	datasize = sizeof(struct aac_ciss_phys_luns_resp) +
		(AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
	phys_luns = kmalloc(datasize, GFP_KERNEL);
	if (phys_luns == NULL)
		goto out;

	memset(&srbu, 0, sizeof(struct aac_srb_unit));

	srbcmd = &srbu.srb;
	srbcmd->flags	= cpu_to_le32(SRB_DataIn);
	srbcmd->cdb[0]	= CISS_REPORT_PHYSICAL_LUNS;
	srbcmd->cdb[1]	= 2; /* extended reporting */
	srbcmd->cdb[8]	= (u8)(datasize >> 8);
	srbcmd->cdb[9]	= (u8)(datasize);

	rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize);
	if (unlikely(rcode < 0))
		goto mem_free_all;

	if (phys_luns->resp_flag != 2) {
		rcode = -ENOMSG;
		goto mem_free_all;
	}

	dev->safw_phys_luns = phys_luns;

out:
	return rcode;
mem_free_all:
	kfree(phys_luns);
	goto out;
}

static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev)
{
	return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24;
}

static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun)
{
	return dev->safw_phys_luns->lun[lun].level2[1] & 0x3f;
}

static inline u32 aac_get_safw_phys_target(struct aac_dev *dev, int lun)
{
	return dev->safw_phys_luns->lun[lun].level2[0];
}

static inline u32 aac_get_safw_phys_expose_flag(struct aac_dev *dev, int lun)
{
	return dev->safw_phys_luns->lun[lun].bus >> 6;
}

static inline u32 aac_get_safw_phys_attribs(struct aac_dev *dev, int lun)
{
	return dev->safw_phys_luns->lun[lun].node_ident[9];
}

static inline u32 aac_get_safw_phys_nexus(struct aac_dev *dev, int lun)
{
	return *((u32 *)&dev->safw_phys_luns->lun[lun].node_ident[12]);
}

static inline void aac_free_safw_identify_resp(struct aac_dev *dev,
						int bus, int target)
{
	kfree(dev->hba_map[bus][target].safw_identify_resp);
	dev->hba_map[bus][target].safw_identify_resp = NULL;
}

static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev,
	int lun_count)
{
	int luns;
	int i;
	u32 bus;
	u32 target;

	luns = aac_get_safw_phys_lun_count(dev);

	if (luns < lun_count)
		lun_count = luns;
	else if (lun_count < 0)
		lun_count = luns;

	for (i = 0; i < lun_count; i++) {
		bus = aac_get_safw_phys_bus(dev, i);
		target = aac_get_safw_phys_target(dev, i);

		aac_free_safw_identify_resp(dev, bus, target);
	}
}

static int aac_get_safw_attr_all_targets(struct aac_dev *dev)
{
	int i;
	int rcode = 0;
	u32 lun_count;
	u32 bus;
	u32 target;
	struct aac_ciss_identify_pd *identify_resp = NULL;

	lun_count = aac_get_safw_phys_lun_count(dev);

	for (i = 0; i < lun_count; ++i) {

		bus = aac_get_safw_phys_bus(dev, i);
		target = aac_get_safw_phys_target(dev, i);

		rcode = aac_issue_safw_bmic_identify(dev,
						&identify_resp, bus, target);

		if (unlikely(rcode < 0))
			goto free_identify_resp;

		dev->hba_map[bus][target].safw_identify_resp = identify_resp;
	}

out:
	return rcode;
free_identify_resp:
	aac_free_safw_all_identify_resp(dev, i);
	goto out;
}

/**
 *	aac_set_safw_attr_all_targets-	update current hba map with data from FW
 *	@dev:	aac_dev structure
 *
 *	Update our hba map with the information gathered from the FW
 */
static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
{
	/* ok and extended reporting */
	u32 lun_count, nexus;
	u32 i, bus, target;
	u8 expose_flag, attribs;

	lun_count = aac_get_safw_phys_lun_count(dev);

	dev->scan_counter++;

	for (i = 0; i < lun_count; ++i) {

		bus = aac_get_safw_phys_bus(dev, i);
		target = aac_get_safw_phys_target(dev, i);
		expose_flag = aac_get_safw_phys_expose_flag(dev, i);
		attribs = aac_get_safw_phys_attribs(dev, i);
		nexus = aac_get_safw_phys_nexus(dev, i);

		if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
			continue;

		if (expose_flag != 0) {
			dev->hba_map[bus][target].devtype =
				AAC_DEVTYPE_RAID_MEMBER;
			continue;
		}

		if (nexus != 0 && (attribs & 8)) {
			dev->hba_map[bus][target].devtype =
				AAC_DEVTYPE_NATIVE_RAW;
			dev->hba_map[bus][target].rmw_nexus =
					nexus;
		} else
			dev->hba_map[bus][target].devtype =
				AAC_DEVTYPE_ARC_RAW;

		dev->hba_map[bus][target].scan_counter = dev->scan_counter;

		aac_set_safw_target_qd(dev, bus, target);
	}
}

static int aac_setup_safw_targets(struct aac_dev *dev)
{
	int rcode = 0;

	rcode = aac_get_containers(dev);
	if (unlikely(rcode < 0))
		goto out;

	rcode = aac_get_safw_ciss_luns(dev);
	if (unlikely(rcode < 0))
		goto out;

	rcode = aac_get_safw_attr_all_targets(dev);
	if (unlikely(rcode < 0))
		goto free_ciss_luns;

	aac_set_safw_attr_all_targets(dev);

	aac_free_safw_all_identify_resp(dev, -1);
free_ciss_luns:
	aac_free_safw_ciss_luns(dev);
out:
	return rcode;
}

int aac_setup_safw_adapter(struct aac_dev *dev)
{
	return aac_setup_safw_targets(dev);
}

int aac_get_adapter_info(struct aac_dev* dev)
{
	struct fib* fibptr;
	int rcode;
	u32 tmp, bus, target;
	struct aac_adapter_info *info;
	struct aac_bus_info *command;
	struct aac_bus_info_response *bus_info;

	if (!(fibptr = aac_fib_alloc(dev)))
		return -ENOMEM;

	aac_fib_init(fibptr);
	info = (struct aac_adapter_info *) fib_data(fibptr);
	memset(info,0,sizeof(*info));

	rcode = aac_fib_send(RequestAdapterInfo,
			 fibptr,
			 sizeof(*info),
			 FsaNormal,
			 -1, 1, /* First `interrupt' command uses special wait */
			 NULL,
			 NULL);

	if (rcode < 0) {
		/* FIB should be freed only after
		 * getting the response from the F/W */
		if (rcode != -ERESTARTSYS) {
			aac_fib_complete(fibptr);
			aac_fib_free(fibptr);
		}
		return rcode;
	}
	memcpy(&dev->adapter_info, info, sizeof(*info));

	dev->supplement_adapter_info.virt_device_bus = 0xffff;
	if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
		struct aac_supplement_adapter_info * sinfo;

		aac_fib_init(fibptr);

		sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);

		memset(sinfo,0,sizeof(*sinfo));

		rcode = aac_fib_send(RequestSupplementAdapterInfo,
				 fibptr,
				 sizeof(*sinfo),
				 FsaNormal,
				 1, 1,
				 NULL,
				 NULL);

		if (rcode >= 0)
			memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
		if (rcode == -ERESTARTSYS) {
			fibptr = aac_fib_alloc(dev);
			if (!fibptr)
				return -ENOMEM;
		}

	}

	/* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
	for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
		for (target = 0; target < AAC_MAX_TARGETS; target++) {
			dev->hba_map[bus][target].devtype = 0;
			dev->hba_map[bus][target].qd_limit = 0;
		}
	}

	/*
	 * GetBusInfo
	 */

	aac_fib_init(fibptr);

	bus_info = (struct aac_bus_info_response *) fib_data(fibptr);

	memset(bus_info, 0, sizeof(*bus_info));

	command = (struct aac_bus_info *)bus_info;

	command->Command = cpu_to_le32(VM_Ioctl);
	command->ObjType = cpu_to_le32(FT_DRIVE);
	command->MethodId = cpu_to_le32(1);
	command->CtlCmd = cpu_to_le32(GetBusInfo);

	rcode = aac_fib_send(ContainerCommand,
			 fibptr,
			 sizeof (*bus_info),
			 FsaNormal,
			 1, 1,
			 NULL, NULL);

	/* reasoned default */
	dev->maximum_num_physicals = 16;
	if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
		dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
		dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
	}

	if (!dev->in_reset) {
		char buffer[16];
		tmp = le32_to_cpu(dev->adapter_info.kernelrev);
		printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
			dev->name,
			dev->id,
			tmp>>24,
			(tmp>>16)&0xff,
			tmp&0xff,
			le32_to_cpu(dev->adapter_info.kernelbuild),
			(int)sizeof(dev->supplement_adapter_info.build_date),
			dev->supplement_adapter_info.build_date);
		tmp = le32_to_cpu(dev->adapter_info.monitorrev);
		printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
			dev->name, dev->id,
			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
			le32_to_cpu(dev->adapter_info.monitorbuild));
		tmp = le32_to_cpu(dev->adapter_info.biosrev);
		printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
			dev->name, dev->id,
			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
			le32_to_cpu(dev->adapter_info.biosbuild));
		buffer[0] = '\0';
		if (aac_get_serial_number(
		  shost_to_class(dev->scsi_host_ptr), buffer))
			printk(KERN_INFO "%s%d: serial %s",
			  dev->name, dev->id, buffer);
		if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
			printk(KERN_INFO "%s%d: TSID %.*s\n",
			  dev->name, dev->id,
			  (int)sizeof(dev->supplement_adapter_info
							.vpd_info.tsid),
				dev->supplement_adapter_info.vpd_info.tsid);
		}
		if (!aac_check_reset || ((aac_check_reset == 1) &&
		  (dev->supplement_adapter_info.supported_options2 &
		  AAC_OPTION_IGNORE_RESET))) {
			printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
			  dev->name, dev->id);
		}
	}

	dev->cache_protected = 0;
	dev->jbod = ((dev->supplement_adapter_info.feature_bits &
		AAC_FEATURE_JBOD) != 0);
	dev->nondasd_support = 0;
	dev->raid_scsi_mode = 0;
	if(dev->adapter_info.options & AAC_OPT_NONDASD)
		dev->nondasd_support = 1;

	/*
	 * If the firmware supports ROMB RAID/SCSI mode and we are currently
	 * in RAID/SCSI mode, set the flag. For now if in this mode we will
	 * force nondasd support on. If we decide to allow the non-dasd flag
	 * additional changes changes will have to be made to support
	 * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
	 * changed to support the new dev->raid_scsi_mode flag instead of
	 * leaching off of the dev->nondasd_support flag. Also in linit.c the
	 * function aac_detect will have to be modified where it sets up the
	 * max number of channels based on the aac->nondasd_support flag only.
	 */
	if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
	    (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
		dev->nondasd_support = 1;
		dev->raid_scsi_mode = 1;
	}
	if (dev->raid_scsi_mode != 0)
		printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
				dev->name, dev->id);

	if (nondasd != -1)
		dev->nondasd_support = (nondasd!=0);
	if (dev->nondasd_support && !dev->in_reset)
		printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);

	if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
		dev->needs_dac = 1;
	dev->dac_support = 0;
	if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
	    (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
		if (!dev->in_reset)
			printk(KERN_INFO "%s%d: 64bit support enabled.\n",
				dev->name, dev->id);
		dev->dac_support = 1;
	}

	if(dacmode != -1) {
		dev->dac_support = (dacmode!=0);
	}

	/* avoid problems with AAC_QUIRK_SCSI_32 controllers */
	if (dev->dac_support &&	(aac_get_driver_ident(dev->cardtype)->quirks
		& AAC_QUIRK_SCSI_32)) {
		dev->nondasd_support = 0;
		dev->jbod = 0;
		expose_physicals = 0;
	}

	if (dev->dac_support) {
		if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(64))) {
			if (!dev->in_reset)
				dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
		} else if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(32))) {
			dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
			dev->dac_support = 0;
		} else {
			dev_info(&dev->pdev->dev, "No suitable DMA available\n");
			rcode = -ENOMEM;
		}
	}
	/*
	 * Deal with configuring for the individualized limits of each packet
	 * interface.
	 */
	dev->a_ops.adapter_scsi = (dev->dac_support)
	  ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
				? aac_scsi_32_64
				: aac_scsi_64)
				: aac_scsi_32;
	if (dev->raw_io_interface) {
		dev->a_ops.adapter_bounds = (dev->raw_io_64)
					? aac_bounds_64
					: aac_bounds_32;
		dev->a_ops.adapter_read = aac_read_raw_io;
		dev->a_ops.adapter_write = aac_write_raw_io;
	} else {
		dev->a_ops.adapter_bounds = aac_bounds_32;
		dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
			sizeof(struct aac_fibhdr) -
			sizeof(struct aac_write) + sizeof(struct sgentry)) /
				sizeof(struct sgentry);
		if (dev->dac_support) {
			dev->a_ops.adapter_read = aac_read_block64;
			dev->a_ops.adapter_write = aac_write_block64;
			/*
			 * 38 scatter gather elements
			 */
			dev->scsi_host_ptr->sg_tablesize =
				(dev->max_fib_size -
				sizeof(struct aac_fibhdr) -
				sizeof(struct aac_write64) +
				sizeof(struct sgentry64)) /
					sizeof(struct sgentry64);
		} else {
			dev->a_ops.adapter_read = aac_read_block;
			dev->a_ops.adapter_write = aac_write_block;
		}
		dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
		if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
			/*
			 * Worst case size that could cause sg overflow when
			 * we break up SG elements that are larger than 64KB.
			 * Would be nice if we could tell the SCSI layer what
			 * the maximum SG element size can be. Worst case is
			 * (sg_tablesize-1) 4KB elements with one 64KB
			 * element.
			 *	32bit -> 468 or 238KB	64bit -> 424 or 212KB
			 */
			dev->scsi_host_ptr->max_sectors =
			  (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
		}
	}
	if (!dev->sync_mode && dev->sa_firmware &&
		dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
		dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
			HBA_MAX_SG_SEPARATE;

	/* FIB should be freed only after getting the response from the F/W */
	if (rcode != -ERESTARTSYS) {
		aac_fib_complete(fibptr);
		aac_fib_free(fibptr);
	}

	return rcode;
}


static void io_callback(void *context, struct fib * fibptr)
{
	struct aac_dev *dev;
	struct aac_read_reply *readreply;
	struct scsi_cmnd *scsicmd;
	u32 cid;

	scsicmd = (struct scsi_cmnd *) context;

	if (!aac_valid_context(scsicmd, fibptr))
		return;

	dev = fibptr->dev;
	cid = scmd_id(scsicmd);

	if (nblank(dprintk(x))) {
		u64 lba;
		switch (scsicmd->cmnd[0]) {
		case WRITE_6:
		case READ_6:
			lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
			    (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
			break;
		case WRITE_16:
		case READ_16:
			lba = ((u64)scsicmd->cmnd[2] << 56) |
			      ((u64)scsicmd->cmnd[3] << 48) |
			      ((u64)scsicmd->cmnd[4] << 40) |
			      ((u64)scsicmd->cmnd[5] << 32) |
			      ((u64)scsicmd->cmnd[6] << 24) |
			      (scsicmd->cmnd[7] << 16) |
			      (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
			break;
		case WRITE_12:
		case READ_12:
			lba = ((u64)scsicmd->cmnd[2] << 24) |
			      (scsicmd->cmnd[3] << 16) |
			      (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
			break;
		default:
			lba = ((u64)scsicmd->cmnd[2] << 24) |
			       (scsicmd->cmnd[3] << 16) |
			       (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
			break;
		}
		printk(KERN_DEBUG
		  "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
		  smp_processor_id(), (unsigned long long)lba, jiffies);
	}

	BUG_ON(fibptr == NULL);

	scsi_dma_unmap(scsicmd);

	readreply = (struct aac_read_reply *)fib_data(fibptr);
	switch (le32_to_cpu(readreply->status)) {
	case ST_OK:
		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
		break;
	case ST_NOT_READY:
		scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
		  SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
		break;
	case ST_MEDERR:
		scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
		  SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
		break;
	default:
#ifdef AAC_DETAILED_STATUS_INFO
		printk(KERN_WARNING "io_callback: io failed, status = %d\n",
		  le32_to_cpu(readreply->status));
#endif
		scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data,
		  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
		  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
		break;
	}
	aac_fib_complete(fibptr);

	aac_scsi_done(scsicmd);
}

static int aac_read(struct scsi_cmnd * scsicmd)
{
	u64 lba;
	u32 count;
	int status;
	struct aac_dev *dev;
	struct fib * cmd_fibcontext;
	int cid;

	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
	/*
	 *	Get block address and transfer length
	 */
	switch (scsicmd->cmnd[0]) {
	case READ_6:
		dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));

		lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
			(scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
		count = scsicmd->cmnd[4];

		if (count == 0)
			count = 256;
		break;
	case READ_16:
		dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));

		lba =	((u64)scsicmd->cmnd[2] << 56) |
			((u64)scsicmd->cmnd[3] << 48) |
			((u64)scsicmd->cmnd[4] << 40) |
			((u64)scsicmd->cmnd[5] << 32) |
			((u64)scsicmd->cmnd[6] << 24) |
			(scsicmd->cmnd[7] << 16) |
			(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
		count = (scsicmd->cmnd[10] << 24) |
			(scsicmd->cmnd[11] << 16) |
			(scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
		break;
	case READ_12:
		dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));

		lba = ((u64)scsicmd->cmnd[2] << 24) |
			(scsicmd->cmnd[3] << 16) |
			(scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
		count = (scsicmd->cmnd[6] << 24) |
			(scsicmd->cmnd[7] << 16) |
			(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
		break;
	default:
		dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));

		lba = ((u64)scsicmd->cmnd[2] << 24) |
			(scsicmd->cmnd[3] << 16) |
			(scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
		break;
	}

	if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
		cid = scmd_id(scsicmd);
		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
		scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data,
			  ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
			  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
		aac_scsi_done(scsicmd);
		return 0;
	}

	dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
	  smp_processor_id(), (unsigned long long)lba, jiffies));
	if (aac_adapter_bounds(dev,scsicmd,lba))
		return 0;
	/*
	 *	Alocate and initialize a Fib
	 */
	cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
	status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
	/*
	 *	For some reason, the Fib didn't queue, return QUEUE_FULL
	 */
	scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
	aac_scsi_done(scsicmd);
	aac_fib_complete(cmd_fibcontext);
	aac_fib_free(cmd_fibcontext);
	return 0;
}

static int aac_write(struct scsi_cmnd * scsicmd)
{
	u64 lba;
	u32 count;
	int fua;
	int status;
	struct aac_dev *dev;
	struct fib * cmd_fibcontext;
	int cid;

	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
	/*
	 *	Get block address and transfer length
	 */
	if (scsicmd->cmnd[0] == WRITE_6)	/* 6 byte command */
	{
		lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
		count = scsicmd->cmnd[4];
		if (count == 0)
			count = 256;
		fua = 0;
	} else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
		dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));

		lba =	((u64)scsicmd->cmnd[2] << 56) |
			((u64)scsicmd->cmnd[3] << 48) |
			((u64)scsicmd->cmnd[4] << 40) |
			((u64)scsicmd->cmnd[5] << 32) |
			((u64)scsicmd->cmnd[6] << 24) |
			(scsicmd->cmnd[7] << 16) |
			(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
		count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
			(scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
		fua = scsicmd->cmnd[1] & 0x8;
	} else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
		dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));

		lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
		    | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
		count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
		      | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
		fua = scsicmd->cmnd[1] & 0x8;
	} else {
		dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
		lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
		fua = scsicmd->cmnd[1] & 0x8;
	}

	if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
		cid = scmd_id(scsicmd);
		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
		scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data,
			  ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
			  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
		aac_scsi_done(scsicmd);
		return 0;
	}

	dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
	  smp_processor_id(), (unsigned long long)lba, jiffies));
	if (aac_adapter_bounds(dev,scsicmd,lba))
		return 0;
	/*
	 *	Allocate and initialize a Fib then setup a BlockWrite command
	 */
	cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
	status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
	/*
	 *	For some reason, the Fib didn't queue, return QUEUE_FULL
	 */
	scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
	aac_scsi_done(scsicmd);

	aac_fib_complete(cmd_fibcontext);
	aac_fib_free(cmd_fibcontext);
	return 0;
}

static void synchronize_callback(void *context, struct fib *fibptr)
{
	struct aac_synchronize_reply *synchronizereply;
	struct scsi_cmnd *cmd = context;

	if (!aac_valid_context(cmd, fibptr))
		return;

	dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
				smp_processor_id(), jiffies));
	BUG_ON(fibptr == NULL);


	synchronizereply = fib_data(fibptr);
	if (le32_to_cpu(synchronizereply->status) == CT_OK)
		cmd->result = DID_OK << 16 | SAM_STAT_GOOD;
	else {
		struct scsi_device *sdev = cmd->device;
		struct aac_dev *dev = fibptr->dev;
		u32 cid = sdev_id(sdev);
		printk(KERN_WARNING
		     "synchronize_callback: synchronize failed, status = %d\n",
		     le32_to_cpu(synchronizereply->status));
		cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data,
		  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
		  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
		memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
	}

	aac_fib_complete(fibptr);
	aac_fib_free(fibptr);
	aac_scsi_done(cmd);
}

static int aac_synchronize(struct scsi_cmnd *scsicmd)
{
	int status;
	struct fib *cmd_fibcontext;
	struct aac_synchronize *synchronizecmd;
	struct scsi_device *sdev = scsicmd->device;
	struct aac_dev *aac;

	aac = (struct aac_dev *)sdev->host->hostdata;
	if (aac->in_reset)
		return SCSI_MLQUEUE_HOST_BUSY;

	/*
	 *	Allocate and initialize a Fib
	 */
	cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);

	aac_fib_init(cmd_fibcontext);

	synchronizecmd = fib_data(cmd_fibcontext);
	synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
	synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
	synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
	synchronizecmd->count =
	     cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;

	/*
	 *	Now send the Fib to the adapter
	 */
	status = aac_fib_send(ContainerCommand,
		  cmd_fibcontext,
		  sizeof(struct aac_synchronize),
		  FsaNormal,
		  0, 1,
		  (fib_callback)synchronize_callback,
		  (void *)scsicmd);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	printk(KERN_WARNING
		"aac_synchronize: aac_fib_send failed with status: %d.\n", status);
	aac_fib_complete(cmd_fibcontext);
	aac_fib_free(cmd_fibcontext);
	return SCSI_MLQUEUE_HOST_BUSY;
}

static void aac_start_stop_callback(void *context, struct fib *fibptr)
{
	struct scsi_cmnd *scsicmd = context;

	if (!aac_valid_context(scsicmd, fibptr))
		return;

	BUG_ON(fibptr == NULL);

	scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;

	aac_fib_complete(fibptr);
	aac_fib_free(fibptr);
	aac_scsi_done(scsicmd);
}

static int aac_start_stop(struct scsi_cmnd *scsicmd)
{
	int status;
	struct fib *cmd_fibcontext;
	struct aac_power_management *pmcmd;
	struct scsi_device *sdev = scsicmd->device;
	struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;

	if (!(aac->supplement_adapter_info.supported_options2 &
	      AAC_OPTION_POWER_MANAGEMENT)) {
		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		aac_scsi_done(scsicmd);
		return 0;
	}

	if (aac->in_reset)
		return SCSI_MLQUEUE_HOST_BUSY;

	/*
	 *	Allocate and initialize a Fib
	 */
	cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);

	aac_fib_init(cmd_fibcontext);

	pmcmd = fib_data(cmd_fibcontext);
	pmcmd->command = cpu_to_le32(VM_ContainerConfig);
	pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
	/* Eject bit ignored, not relevant */
	pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
		cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
	pmcmd->cid = cpu_to_le32(sdev_id(sdev));
	pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
		cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;

	/*
	 *	Now send the Fib to the adapter
	 */
	status = aac_fib_send(ContainerCommand,
		  cmd_fibcontext,
		  sizeof(struct aac_power_management),
		  FsaNormal,
		  0, 1,
		  (fib_callback)aac_start_stop_callback,
		  (void *)scsicmd);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	aac_fib_complete(cmd_fibcontext);
	aac_fib_free(cmd_fibcontext);
	return SCSI_MLQUEUE_HOST_BUSY;
}

/**
 *	aac_scsi_cmd()		-	Process SCSI command
 *	@scsicmd:		SCSI command block
 *
 *	Emulate a SCSI command and queue the required request for the
 *	aacraid firmware.
 */

int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
{
	u32 cid, bus;
	struct Scsi_Host *host = scsicmd->device->host;
	struct aac_dev *dev = (struct aac_dev *)host->hostdata;
	struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;

	if (fsa_dev_ptr == NULL)
		return -1;
	/*
	 *	If the bus, id or lun is out of range, return fail
	 *	Test does not apply to ID 16, the pseudo id for the controller
	 *	itself.
	 */
	cid = scmd_id(scsicmd);
	if (cid != host->this_id) {
		if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
			if((cid >= dev->maximum_num_containers) ||
					(scsicmd->device->lun != 0)) {
				scsicmd->result = DID_NO_CONNECT << 16;
				goto scsi_done_ret;
			}

			/*
			 *	If the target container doesn't exist, it may have
			 *	been newly created
			 */
			if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
			  (fsa_dev_ptr[cid].sense_data.sense_key ==
			   NOT_READY)) {
				switch (scsicmd->cmnd[0]) {
				case SERVICE_ACTION_IN_16:
					if (!(dev->raw_io_interface) ||
					    !(dev->raw_io_64) ||
					    ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
						break;
					fallthrough;
				case INQUIRY:
				case READ_CAPACITY:
				case TEST_UNIT_READY:
					if (dev->in_reset)
						return -1;
					return _aac_probe_container(scsicmd,
							aac_probe_container_callback2);
				default:
					break;
				}
			}
		} else {  /* check for physical non-dasd devices */
			bus = aac_logical_to_phys(scmd_channel(scsicmd));

			if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
				dev->hba_map[bus][cid].devtype
					== AAC_DEVTYPE_NATIVE_RAW) {
				if (dev->in_reset)
					return -1;
				return aac_send_hba_fib(scsicmd);
			} else if (dev->nondasd_support || expose_physicals ||
				dev->jbod) {
				if (dev->in_reset)
					return -1;
				return aac_send_srb_fib(scsicmd);
			} else {
				scsicmd->result = DID_NO_CONNECT << 16;
				goto scsi_done_ret;
			}
		}
	}
	/*
	 * else Command for the controller itself
	 */
	else if ((scsicmd->cmnd[0] != INQUIRY) &&	/* only INQUIRY & TUR cmnd supported for controller */
		(scsicmd->cmnd[0] != TEST_UNIT_READY))
	{
		dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
		scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data,
		  ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
		  ASENCODE_INVALID_COMMAND, 0, 0);
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
			     SCSI_SENSE_BUFFERSIZE));
		goto scsi_done_ret;
	}

	switch (scsicmd->cmnd[0]) {
	case READ_6:
	case READ_10:
	case READ_12:
	case READ_16:
		if (dev->in_reset)
			return -1;
		return aac_read(scsicmd);

	case WRITE_6:
	case WRITE_10:
	case WRITE_12:
	case WRITE_16:
		if (dev->in_reset)
			return -1;
		return aac_write(scsicmd);

	case SYNCHRONIZE_CACHE:
		if (((aac_cache & 6) == 6) && dev->cache_protected) {
			scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
			break;
		}
		/* Issue FIB to tell Firmware to flush it's cache */
		if ((aac_cache & 6) != 2)
			return aac_synchronize(scsicmd);
		fallthrough;
	case INQUIRY:
	{
		struct inquiry_data inq_data;

		dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
		memset(&inq_data, 0, sizeof (struct inquiry_data));

		if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
			char *arr = (char *)&inq_data;

			/* EVPD bit set */
			arr[0] = (scmd_id(scsicmd) == host->this_id) ?
			  INQD_PDT_PROC : INQD_PDT_DA;
			if (scsicmd->cmnd[2] == 0) {
				/* supported vital product data pages */
				arr[3] = 3;
				arr[4] = 0x0;
				arr[5] = 0x80;
				arr[6] = 0x83;
				arr[1] = scsicmd->cmnd[2];
				scsi_sg_copy_from_buffer(scsicmd, &inq_data,
							 sizeof(inq_data));
				scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
			} else if (scsicmd->cmnd[2] == 0x80) {
				/* unit serial number page */
				arr[3] = setinqserial(dev, &arr[4],
				  scmd_id(scsicmd));
				arr[1] = scsicmd->cmnd[2];
				scsi_sg_copy_from_buffer(scsicmd, &inq_data,
							 sizeof(inq_data));
				if (aac_wwn != 2)
					return aac_get_container_serial(
						scsicmd);
				scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
			} else if (scsicmd->cmnd[2] == 0x83) {
				/* vpd page 0x83 - Device Identification Page */
				char *sno = (char *)&inq_data;
				sno[3] = setinqserial(dev, &sno[4],
						      scmd_id(scsicmd));
				if (aac_wwn != 2)
					return aac_get_container_serial(
						scsicmd);
				scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
			} else {
				/* vpd page not implemented */
				scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
				set_sense(&dev->fsa_dev[cid].sense_data,
				  ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
				  ASENCODE_NO_SENSE, 7, 2);
				memcpy(scsicmd->sense_buffer,
				  &dev->fsa_dev[cid].sense_data,
				  min_t(size_t,
					sizeof(dev->fsa_dev[cid].sense_data),
					SCSI_SENSE_BUFFERSIZE));
			}
			break;
		}
		inq_data.inqd_ver = 2;	/* claim compliance to SCSI-2 */
		inq_data.inqd_rdf = 2;	/* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
		inq_data.inqd_len = 31;
		/*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
		inq_data.inqd_pad2= 0x32 ;	 /*WBus16|Sync|CmdQue */
		/*
		 *	Set the Vendor, Product, and Revision Level
		 *	see: <vendor>.c i.e. aac.c
		 */
		if (cid == host->this_id) {
			setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
			inq_data.inqd_pdt = INQD_PDT_PROC;	/* Processor device */
			scsi_sg_copy_from_buffer(scsicmd, &inq_data,
						 sizeof(inq_data));
			scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
			break;
		}
		if (dev->in_reset)
			return -1;
		setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
		inq_data.inqd_pdt = INQD_PDT_DA;	/* Direct/random access device */
		scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
		return aac_get_container_name(scsicmd);
	}
	case SERVICE_ACTION_IN_16:
		if (!(dev->raw_io_interface) ||
		    !(dev->raw_io_64) ||
		    ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
			break;
	{
		u64 capacity;
		char cp[13];
		unsigned int alloc_len;

		dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
		capacity = fsa_dev_ptr[cid].size - 1;
		cp[0] = (capacity >> 56) & 0xff;
		cp[1] = (capacity >> 48) & 0xff;
		cp[2] = (capacity >> 40) & 0xff;
		cp[3] = (capacity >> 32) & 0xff;
		cp[4] = (capacity >> 24) & 0xff;
		cp[5] = (capacity >> 16) & 0xff;
		cp[6] = (capacity >> 8) & 0xff;
		cp[7] = (capacity >> 0) & 0xff;
		cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
		cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
		cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
		cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
		cp[12] = 0;

		alloc_len = ((scsicmd->cmnd[10] << 24)
			     + (scsicmd->cmnd[11] << 16)
			     + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);

		alloc_len = min_t(size_t, alloc_len, sizeof(cp));
		scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
		if (alloc_len < scsi_bufflen(scsicmd))
			scsi_set_resid(scsicmd,
				       scsi_bufflen(scsicmd) - alloc_len);

		/* Do not cache partition table for arrays */
		scsicmd->device->removable = 1;

		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		break;
	}

	case READ_CAPACITY:
	{
		u32 capacity;
		char cp[8];

		dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
		if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
			capacity = fsa_dev_ptr[cid].size - 1;
		else
			capacity = (u32)-1;

		cp[0] = (capacity >> 24) & 0xff;
		cp[1] = (capacity >> 16) & 0xff;
		cp[2] = (capacity >> 8) & 0xff;
		cp[3] = (capacity >> 0) & 0xff;
		cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
		cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
		cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
		cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
		scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
		/* Do not cache partition table for arrays */
		scsicmd->device->removable = 1;
		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		break;
	}

	case MODE_SENSE:
	{
		int mode_buf_length = 4;
		u32 capacity;
		aac_modep_data mpd;

		if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
			capacity = fsa_dev_ptr[cid].size - 1;
		else
			capacity = (u32)-1;

		dprintk((KERN_DEBUG "MODE SENSE command.\n"));
		memset((char *)&mpd, 0, sizeof(aac_modep_data));

		/* Mode data length */
		mpd.hd.data_length = sizeof(mpd.hd) - 1;
		/* Medium type - default */
		mpd.hd.med_type = 0;
		/* Device-specific param,
		   bit 8: 0/1 = write enabled/protected
		   bit 4: 0/1 = FUA enabled */
		mpd.hd.dev_par = 0;

		if (dev->raw_io_interface && ((aac_cache & 5) != 1))
			mpd.hd.dev_par = 0x10;
		if (scsicmd->cmnd[1] & 0x8)
			mpd.hd.bd_length = 0;	/* Block descriptor length */
		else {
			mpd.hd.bd_length = sizeof(mpd.bd);
			mpd.hd.data_length += mpd.hd.bd_length;
			mpd.bd.block_length[0] =
				(fsa_dev_ptr[cid].block_size >> 16) & 0xff;
			mpd.bd.block_length[1] =
				(fsa_dev_ptr[cid].block_size >> 8) &  0xff;
			mpd.bd.block_length[2] =
				fsa_dev_ptr[cid].block_size  & 0xff;

			mpd.mpc_buf[0] = scsicmd->cmnd[2];
			if (scsicmd->cmnd[2] == 0x1C) {
				/* page length */
				mpd.mpc_buf[1] = 0xa;
				/* Mode data length */
				mpd.hd.data_length = 23;
			} else {
				/* Mode data length */
				mpd.hd.data_length = 15;
			}

			if (capacity > 0xffffff) {
				mpd.bd.block_count[0] = 0xff;
				mpd.bd.block_count[1] = 0xff;
				mpd.bd.block_count[2] = 0xff;
			} else {
				mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
				mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
				mpd.bd.block_count[2] = capacity  & 0xff;
			}
		}
		if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
		  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
			mpd.hd.data_length += 3;
			mpd.mpc_buf[0] = 8;
			mpd.mpc_buf[1] = 1;
			mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
				? 0 : 0x04; /* WCE */
			mode_buf_length = sizeof(mpd);
		}

		if (mode_buf_length > scsicmd->cmnd[4])
			mode_buf_length = scsicmd->cmnd[4];
		else
			mode_buf_length = sizeof(mpd);
		scsi_sg_copy_from_buffer(scsicmd,
					 (char *)&mpd,
					 mode_buf_length);
		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		break;
	}
	case MODE_SENSE_10:
	{
		u32 capacity;
		int mode_buf_length = 8;
		aac_modep10_data mpd10;

		if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
			capacity = fsa_dev_ptr[cid].size - 1;
		else
			capacity = (u32)-1;

		dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
		memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
		/* Mode data length (MSB) */
		mpd10.hd.data_length[0] = 0;
		/* Mode data length (LSB) */
		mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
		/* Medium type - default */
		mpd10.hd.med_type = 0;
		/* Device-specific param,
		   bit 8: 0/1 = write enabled/protected
		   bit 4: 0/1 = FUA enabled */
		mpd10.hd.dev_par = 0;

		if (dev->raw_io_interface && ((aac_cache & 5) != 1))
			mpd10.hd.dev_par = 0x10;
		mpd10.hd.rsrvd[0] = 0;	/* reserved */
		mpd10.hd.rsrvd[1] = 0;	/* reserved */
		if (scsicmd->cmnd[1] & 0x8) {
			/* Block descriptor length (MSB) */
			mpd10.hd.bd_length[0] = 0;
			/* Block descriptor length (LSB) */
			mpd10.hd.bd_length[1] = 0;
		} else {
			mpd10.hd.bd_length[0] = 0;
			mpd10.hd.bd_length[1] = sizeof(mpd10.bd);

			mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];

			mpd10.bd.block_length[0] =
				(fsa_dev_ptr[cid].block_size >> 16) & 0xff;
			mpd10.bd.block_length[1] =
				(fsa_dev_ptr[cid].block_size >> 8) & 0xff;
			mpd10.bd.block_length[2] =
				fsa_dev_ptr[cid].block_size  & 0xff;

			if (capacity > 0xffffff) {
				mpd10.bd.block_count[0] = 0xff;
				mpd10.bd.block_count[1] = 0xff;
				mpd10.bd.block_count[2] = 0xff;
			} else {
				mpd10.bd.block_count[0] =
					(capacity >> 16) & 0xff;
				mpd10.bd.block_count[1] =
					(capacity >> 8) & 0xff;
				mpd10.bd.block_count[2] =
					capacity  & 0xff;
			}
		}
		if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
		  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
			mpd10.hd.data_length[1] += 3;
			mpd10.mpc_buf[0] = 8;
			mpd10.mpc_buf[1] = 1;
			mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
				? 0 : 0x04; /* WCE */
			mode_buf_length = sizeof(mpd10);
			if (mode_buf_length > scsicmd->cmnd[8])
				mode_buf_length = scsicmd->cmnd[8];
		}
		scsi_sg_copy_from_buffer(scsicmd,
					 (char *)&mpd10,
					 mode_buf_length);

		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		break;
	}
	case REQUEST_SENSE:
		dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
				sizeof(struct sense_data));
		memset(&dev->fsa_dev[cid].sense_data, 0,
				sizeof(struct sense_data));
		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		break;

	case ALLOW_MEDIUM_REMOVAL:
		dprintk((KERN_DEBUG "LOCK command.\n"));
		if (scsicmd->cmnd[4])
			fsa_dev_ptr[cid].locked = 1;
		else
			fsa_dev_ptr[cid].locked = 0;

		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		break;
	/*
	 *	These commands are all No-Ops
	 */
	case TEST_UNIT_READY:
		if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
			scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
			set_sense(&dev->fsa_dev[cid].sense_data,
				  NOT_READY, SENCODE_BECOMING_READY,
				  ASENCODE_BECOMING_READY, 0, 0);
			memcpy(scsicmd->sense_buffer,
			       &dev->fsa_dev[cid].sense_data,
			       min_t(size_t,
				     sizeof(dev->fsa_dev[cid].sense_data),
				     SCSI_SENSE_BUFFERSIZE));
			break;
		}
		fallthrough;
	case RESERVE:
	case RELEASE:
	case REZERO_UNIT:
	case REASSIGN_BLOCKS:
	case SEEK_10:
		scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
		break;

	case START_STOP:
		return aac_start_stop(scsicmd);

	default:
	/*
	 *	Unhandled commands
	 */
		dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
				scsicmd->cmnd[0]));
		scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
		set_sense(&dev->fsa_dev[cid].sense_data,
			  ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
			  ASENCODE_INVALID_COMMAND, 0, 0);
		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
				min_t(size_t,
				      sizeof(dev->fsa_dev[cid].sense_data),
				      SCSI_SENSE_BUFFERSIZE));
	}

scsi_done_ret:

	aac_scsi_done(scsicmd);
	return 0;
}

static int query_disk(struct aac_dev *dev, void __user *arg)
{
	struct aac_query_disk qd;
	struct fsa_dev_info *fsa_dev_ptr;

	fsa_dev_ptr = dev->fsa_dev;
	if (!fsa_dev_ptr)
		return -EBUSY;
	if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
		return -EFAULT;
	if (qd.cnum == -1) {
		if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
			return -EINVAL;
		qd.cnum = qd.id;
	} else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
		if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
			return -EINVAL;
		qd.instance = dev->scsi_host_ptr->host_no;
		qd.bus = 0;
		qd.id = CONTAINER_TO_ID(qd.cnum);
		qd.lun = CONTAINER_TO_LUN(qd.cnum);
	}
	else return -EINVAL;

	qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
	qd.locked = fsa_dev_ptr[qd.cnum].locked;
	qd.deleted = fsa_dev_ptr[qd.cnum].deleted;

	if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
		qd.unmapped = 1;
	else
		qd.unmapped = 0;

	strscpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
	  min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));

	if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
		return -EFAULT;
	return 0;
}

static int force_delete_disk(struct aac_dev *dev, void __user *arg)
{
	struct aac_delete_disk dd;
	struct fsa_dev_info *fsa_dev_ptr;

	fsa_dev_ptr = dev->fsa_dev;
	if (!fsa_dev_ptr)
		return -EBUSY;

	if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
		return -EFAULT;

	if (dd.cnum >= dev->maximum_num_containers)
		return -EINVAL;
	/*
	 *	Mark this container as being deleted.
	 */
	fsa_dev_ptr[dd.cnum].deleted = 1;
	/*
	 *	Mark the container as no longer valid
	 */
	fsa_dev_ptr[dd.cnum].valid = 0;
	return 0;
}

static int delete_disk(struct aac_dev *dev, void __user *arg)
{
	struct aac_delete_disk dd;
	struct fsa_dev_info *fsa_dev_ptr;

	fsa_dev_ptr = dev->fsa_dev;
	if (!fsa_dev_ptr)
		return -EBUSY;

	if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
		return -EFAULT;

	if (dd.cnum >= dev->maximum_num_containers)
		return -EINVAL;
	/*
	 *	If the container is locked, it can not be deleted by the API.
	 */
	if (fsa_dev_ptr[dd.cnum].locked)
		return -EBUSY;
	else {
		/*
		 *	Mark the container as no longer being valid.
		 */
		fsa_dev_ptr[dd.cnum].valid = 0;
		fsa_dev_ptr[dd.cnum].devname[0] = '\0';
		return 0;
	}
}

int aac_dev_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg)
{
	switch (cmd) {
	case FSACTL_QUERY_DISK:
		return query_disk(dev, arg);
	case FSACTL_DELETE_DISK:
		return delete_disk(dev, arg);
	case FSACTL_FORCE_DELETE_DISK:
		return force_delete_disk(dev, arg);
	case FSACTL_GET_CONTAINERS:
		return aac_get_containers(dev);
	default:
		return -ENOTTY;
	}
}

/**
 * aac_srb_callback
 * @context: the context set in the fib - here it is scsi cmd
 * @fibptr: pointer to the fib
 *
 * Handles the completion of a scsi command to a non dasd device
 */
static void aac_srb_callback(void *context, struct fib * fibptr)
{
	struct aac_srb_reply *srbreply;
	struct scsi_cmnd *scsicmd;

	scsicmd = (struct scsi_cmnd *) context;

	if (!aac_valid_context(scsicmd, fibptr))
		return;

	BUG_ON(fibptr == NULL);

	srbreply = (struct aac_srb_reply *) fib_data(fibptr);

	scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */

	if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
		/* fast response */
		srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
		srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
	} else {
		/*
		 *	Calculate resid for sg
		 */
		scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
				   - le32_to_cpu(srbreply->data_xfer_length));
	}


	scsi_dma_unmap(scsicmd);

	/* expose physical device if expose_physicald flag is on */
	if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
	  && expose_physicals > 0)
		aac_expose_phy_device(scsicmd);

	/*
	 * First check the fib status
	 */

	if (le32_to_cpu(srbreply->status) != ST_OK) {
		int len;

		pr_warn("aac_srb_callback: srb failed, status = %d\n",
				le32_to_cpu(srbreply->status));
		len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
			    SCSI_SENSE_BUFFERSIZE);
		scsicmd->result = DID_ERROR << 16 | SAM_STAT_CHECK_CONDITION;
		memcpy(scsicmd->sense_buffer,
				srbreply->sense_data, len);
	}

	/*
	 * Next check the srb status
	 */
	switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
	case SRB_STATUS_ERROR_RECOVERY:
	case SRB_STATUS_PENDING:
	case SRB_STATUS_SUCCESS:
		scsicmd->result = DID_OK << 16;
		break;
	case SRB_STATUS_DATA_OVERRUN:
		switch (scsicmd->cmnd[0]) {
		case  READ_6:
		case  WRITE_6:
		case  READ_10:
		case  WRITE_10:
		case  READ_12:
		case  WRITE_12:
		case  READ_16:
		case  WRITE_16:
			if (le32_to_cpu(srbreply->data_xfer_length)
						< scsicmd->underflow)
				pr_warn("aacraid: SCSI CMD underflow\n");
			else
				pr_warn("aacraid: SCSI CMD Data Overrun\n");
			scsicmd->result = DID_ERROR << 16;
			break;
		case INQUIRY:
			scsicmd->result = DID_OK << 16;
			break;
		default:
			scsicmd->result = DID_OK << 16;
			break;
		}
		break;
	case SRB_STATUS_ABORTED:
		scsicmd->result = DID_ABORT << 16;
		break;
	case SRB_STATUS_ABORT_FAILED:
		/*
		 * Not sure about this one - but assuming the
		 * hba was trying to abort for some reason
		 */
		scsicmd->result = DID_ERROR << 16;
		break;
	case SRB_STATUS_PARITY_ERROR:
		scsicmd->result = DID_PARITY << 16;
		break;
	case SRB_STATUS_NO_DEVICE:
	case SRB_STATUS_INVALID_PATH_ID:
	case SRB_STATUS_INVALID_TARGET_ID:
	case SRB_STATUS_INVALID_LUN:
	case SRB_STATUS_SELECTION_TIMEOUT:
		scsicmd->result = DID_NO_CONNECT << 16;
		break;

	case SRB_STATUS_COMMAND_TIMEOUT:
	case SRB_STATUS_TIMEOUT:
		scsicmd->result = DID_TIME_OUT << 16;
		break;

	case SRB_STATUS_BUSY:
		scsicmd->result = DID_BUS_BUSY << 16;
		break;

	case SRB_STATUS_BUS_RESET:
		scsicmd->result = DID_RESET << 16;
		break;

	case SRB_STATUS_MESSAGE_REJECTED:
		scsicmd->result = DID_ERROR << 16;
		break;
	case SRB_STATUS_REQUEST_FLUSHED:
	case SRB_STATUS_ERROR:
	case SRB_STATUS_INVALID_REQUEST:
	case SRB_STATUS_REQUEST_SENSE_FAILED:
	case SRB_STATUS_NO_HBA:
	case SRB_STATUS_UNEXPECTED_BUS_FREE:
	case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
	case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
	case SRB_STATUS_DELAYED_RETRY:
	case SRB_STATUS_BAD_FUNCTION:
	case SRB_STATUS_NOT_STARTED:
	case SRB_STATUS_NOT_IN_USE:
	case SRB_STATUS_FORCE_ABORT:
	case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
	default:
#ifdef AAC_DETAILED_STATUS_INFO
		pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
			le32_to_cpu(srbreply->srb_status) & 0x3F,
			aac_get_status_string(
				le32_to_cpu(srbreply->srb_status) & 0x3F),
			scsicmd->cmnd[0],
			le32_to_cpu(srbreply->scsi_status));
#endif
		/*
		 * When the CC bit is SET by the host in ATA pass thru CDB,
		 *  driver is supposed to return DID_OK
		 *
		 * When the CC bit is RESET by the host, driver should
		 *  return DID_ERROR
		 */
		if ((scsicmd->cmnd[0] == ATA_12)
			|| (scsicmd->cmnd[0] == ATA_16)) {

			if (scsicmd->cmnd[2] & (0x01 << 5)) {
				scsicmd->result = DID_OK << 16;
			} else {
				scsicmd->result = DID_ERROR << 16;
			}
		} else {
			scsicmd->result = DID_ERROR << 16;
		}
		break;
	}
	if (le32_to_cpu(srbreply->scsi_status)
			== SAM_STAT_CHECK_CONDITION) {
		int len;

		scsicmd->result |= SAM_STAT_CHECK_CONDITION;
		len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
			    SCSI_SENSE_BUFFERSIZE);
#ifdef AAC_DETAILED_STATUS_INFO
		pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
					le32_to_cpu(srbreply->status), len);
#endif
		memcpy(scsicmd->sense_buffer,
				srbreply->sense_data, len);
	}

	/*
	 * OR in the scsi status (already shifted up a bit)
	 */
	scsicmd->result |= le32_to_cpu(srbreply->scsi_status);

	aac_fib_complete(fibptr);
	aac_scsi_done(scsicmd);
}

static void hba_resp_task_complete(struct aac_dev *dev,
					struct scsi_cmnd *scsicmd,
					struct aac_hba_resp *err) {

	scsicmd->result = err->status;
	/* set residual count */
	scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));

	switch (err->status) {
	case SAM_STAT_GOOD:
		scsicmd->result |= DID_OK << 16;
		break;
	case SAM_STAT_CHECK_CONDITION:
	{
		int len;

		len = min_t(u8, err->sense_response_data_len,
			SCSI_SENSE_BUFFERSIZE);
		if (len)
			memcpy(scsicmd->sense_buffer,
				err->sense_response_buf, len);
		scsicmd->result |= DID_OK << 16;
		break;
	}
	case SAM_STAT_BUSY:
		scsicmd->result |= DID_BUS_BUSY << 16;
		break;
	case SAM_STAT_TASK_ABORTED:
		scsicmd->result |= DID_ABORT << 16;
		break;
	case SAM_STAT_RESERVATION_CONFLICT:
	case SAM_STAT_TASK_SET_FULL:
	default:
		scsicmd->result |= DID_ERROR << 16;
		break;
	}
}

static void hba_resp_task_failure(struct aac_dev *dev,
					struct scsi_cmnd *scsicmd,
					struct aac_hba_resp *err)
{
	switch (err->status) {
	case HBA_RESP_STAT_HBAMODE_DISABLED:
	{
		u32 bus, cid;

		bus = aac_logical_to_phys(scmd_channel(scsicmd));
		cid = scmd_id(scsicmd);
		if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
			dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
			dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
		}
		scsicmd->result = DID_NO_CONNECT << 16;
		break;
	}
	case HBA_RESP_STAT_IO_ERROR:
	case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
		scsicmd->result = DID_OK << 16 | SAM_STAT_BUSY;
		break;
	case HBA_RESP_STAT_IO_ABORTED:
		scsicmd->result = DID_ABORT << 16;
		break;
	case HBA_RESP_STAT_INVALID_DEVICE:
		scsicmd->result = DID_NO_CONNECT << 16;
		break;
	case HBA_RESP_STAT_UNDERRUN:
		/* UNDERRUN is OK */
		scsicmd->result = DID_OK << 16;
		break;
	case HBA_RESP_STAT_OVERRUN:
	default:
		scsicmd->result = DID_ERROR << 16;
		break;
	}
}

/**
 * aac_hba_callback
 * @context: the context set in the fib - here it is scsi cmd
 * @fibptr: pointer to the fib
 *
 * Handles the completion of a native HBA scsi command
 */
void aac_hba_callback(void *context, struct fib *fibptr)
{
	struct aac_dev *dev;
	struct scsi_cmnd *scsicmd;

	struct aac_hba_resp *err =
			&((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;

	scsicmd = (struct scsi_cmnd *) context;

	if (!aac_valid_context(scsicmd, fibptr))
		return;

	WARN_ON(fibptr == NULL);
	dev = fibptr->dev;

	if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
		scsi_dma_unmap(scsicmd);

	if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
		/* fast response */
		scsicmd->result = DID_OK << 16;
		goto out;
	}

	switch (err->service_response) {
	case HBA_RESP_SVCRES_TASK_COMPLETE:
		hba_resp_task_complete(dev, scsicmd, err);
		break;
	case HBA_RESP_SVCRES_FAILURE:
		hba_resp_task_failure(dev, scsicmd, err);
		break;
	case HBA_RESP_SVCRES_TMF_REJECTED:
		scsicmd->result = DID_ERROR << 16;
		break;
	case HBA_RESP_SVCRES_TMF_LUN_INVALID:
		scsicmd->result = DID_NO_CONNECT << 16;
		break;
	case HBA_RESP_SVCRES_TMF_COMPLETE:
	case HBA_RESP_SVCRES_TMF_SUCCEEDED:
		scsicmd->result = DID_OK << 16;
		break;
	default:
		scsicmd->result = DID_ERROR << 16;
		break;
	}

out:
	aac_fib_complete(fibptr);

	if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
		aac_priv(scsicmd)->sent_command = 1;
	else
		aac_scsi_done(scsicmd);
}

/**
 * aac_send_srb_fib
 * @scsicmd: the scsi command block
 *
 * This routine will form a FIB and fill in the aac_srb from the
 * scsicmd passed in.
 */
static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
{
	struct fib* cmd_fibcontext;
	struct aac_dev* dev;
	int status;

	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
	if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
			scsicmd->device->lun > 7) {
		scsicmd->result = DID_NO_CONNECT << 16;
		aac_scsi_done(scsicmd);
		return 0;
	}

	/*
	 *	Allocate and initialize a Fib then setup a BlockWrite command
	 */
	cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
	status = aac_adapter_scsi(cmd_fibcontext, scsicmd);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
	aac_fib_complete(cmd_fibcontext);
	aac_fib_free(cmd_fibcontext);

	return -1;
}

/**
 * aac_send_hba_fib
 * @scsicmd: the scsi command block
 *
 * This routine will form a FIB and fill in the aac_hba_cmd_req from the
 * scsicmd passed in.
 */
static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
{
	struct fib *cmd_fibcontext;
	struct aac_dev *dev;
	int status;

	dev = shost_priv(scsicmd->device->host);
	if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
			scsicmd->device->lun > AAC_MAX_LUN - 1) {
		scsicmd->result = DID_NO_CONNECT << 16;
		aac_scsi_done(scsicmd);
		return 0;
	}

	/*
	 *	Allocate and initialize a Fib then setup a BlockWrite command
	 */
	cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
	if (!cmd_fibcontext)
		return -1;

	aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
	status = aac_adapter_hba(cmd_fibcontext, scsicmd);

	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS)
		return 0;

	pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
		status);
	aac_fib_complete(cmd_fibcontext);
	aac_fib_free(cmd_fibcontext);

	return -1;
}


static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
{
	unsigned long byte_count = 0;
	int nseg;
	struct scatterlist *sg;
	int i;

	// Get rid of old data
	psg->count = 0;
	psg->sg[0].addr = 0;
	psg->sg[0].count = 0;

	nseg = scsi_dma_map(scsicmd);
	if (nseg <= 0)
		return nseg;

	psg->count = cpu_to_le32(nseg);

	scsi_for_each_sg(scsicmd, sg, nseg, i) {
		psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
		psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
		byte_count += sg_dma_len(sg);
	}
	/* hba wants the size to be exact */
	if (byte_count > scsi_bufflen(scsicmd)) {
		u32 temp = le32_to_cpu(psg->sg[i-1].count) -
			(byte_count - scsi_bufflen(scsicmd));
		psg->sg[i-1].count = cpu_to_le32(temp);
		byte_count = scsi_bufflen(scsicmd);
	}
	/* Check for command underflow */
	if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
		printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
		       byte_count, scsicmd->underflow);
	}

	return byte_count;
}


static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
{
	unsigned long byte_count = 0;
	u64 addr;
	int nseg;
	struct scatterlist *sg;
	int i;

	// Get rid of old data
	psg->count = 0;
	psg->sg[0].addr[0] = 0;
	psg->sg[0].addr[1] = 0;
	psg->sg[0].count = 0;

	nseg = scsi_dma_map(scsicmd);
	if (nseg <= 0)
		return nseg;

	scsi_for_each_sg(scsicmd, sg, nseg, i) {
		int count = sg_dma_len(sg);
		addr = sg_dma_address(sg);
		psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
		psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
		psg->sg[i].count = cpu_to_le32(count);
		byte_count += count;
	}
	psg->count = cpu_to_le32(nseg);
	/* hba wants the size to be exact */
	if (byte_count > scsi_bufflen(scsicmd)) {
		u32 temp = le32_to_cpu(psg->sg[i-1].count) -
			(byte_count - scsi_bufflen(scsicmd));
		psg->sg[i-1].count = cpu_to_le32(temp);
		byte_count = scsi_bufflen(scsicmd);
	}
	/* Check for command underflow */
	if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
		printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
		       byte_count, scsicmd->underflow);
	}

	return byte_count;
}

static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
{
	unsigned long byte_count = 0;
	int nseg;
	struct scatterlist *sg;
	int i;

	// Get rid of old data
	psg->count = 0;
	psg->sg[0].next = 0;
	psg->sg[0].prev = 0;
	psg->sg[0].addr[0] = 0;
	psg->sg[0].addr[1] = 0;
	psg->sg[0].count = 0;
	psg->sg[0].flags = 0;

	nseg = scsi_dma_map(scsicmd);
	if (nseg <= 0)
		return nseg;

	scsi_for_each_sg(scsicmd, sg, nseg, i) {
		int count = sg_dma_len(sg);
		u64 addr = sg_dma_address(sg);
		psg->sg[i].next = 0;
		psg->sg[i].prev = 0;
		psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
		psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
		psg->sg[i].count = cpu_to_le32(count);
		psg->sg[i].flags = 0;
		byte_count += count;
	}
	psg->count = cpu_to_le32(nseg);
	/* hba wants the size to be exact */
	if (byte_count > scsi_bufflen(scsicmd)) {
		u32 temp = le32_to_cpu(psg->sg[i-1].count) -
			(byte_count - scsi_bufflen(scsicmd));
		psg->sg[i-1].count = cpu_to_le32(temp);
		byte_count = scsi_bufflen(scsicmd);
	}
	/* Check for command underflow */
	if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
		printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
		       byte_count, scsicmd->underflow);
	}

	return byte_count;
}

static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
				struct aac_raw_io2 *rio2, int sg_max)
{
	unsigned long byte_count = 0;
	int nseg;
	struct scatterlist *sg;
	int i, conformable = 0;
	u32 min_size = PAGE_SIZE, cur_size;

	nseg = scsi_dma_map(scsicmd);
	if (nseg <= 0)
		return nseg;

	scsi_for_each_sg(scsicmd, sg, nseg, i) {
		int count = sg_dma_len(sg);
		u64 addr = sg_dma_address(sg);

		BUG_ON(i >= sg_max);
		rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
		rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
		cur_size = cpu_to_le32(count);
		rio2->sge[i].length = cur_size;
		rio2->sge[i].flags = 0;
		if (i == 0) {
			conformable = 1;
			rio2->sgeFirstSize = cur_size;
		} else if (i == 1) {
			rio2->sgeNominalSize = cur_size;
			min_size = cur_size;
		} else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
			conformable = 0;
			if (cur_size < min_size)
				min_size = cur_size;
		}
		byte_count += count;
	}

	/* hba wants the size to be exact */
	if (byte_count > scsi_bufflen(scsicmd)) {
		u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
			(byte_count - scsi_bufflen(scsicmd));
		rio2->sge[i-1].length = cpu_to_le32(temp);
		byte_count = scsi_bufflen(scsicmd);
	}

	rio2->sgeCnt = cpu_to_le32(nseg);
	rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
	/* not conformable: evaluate required sg elements */
	if (!conformable) {
		int j, nseg_new = nseg, err_found;
		for (i = min_size / PAGE_SIZE; i >= 1; --i) {
			err_found = 0;
			nseg_new = 2;
			for (j = 1; j < nseg - 1; ++j) {
				if (rio2->sge[j].length % (i*PAGE_SIZE)) {
					err_found = 1;
					break;
				}
				nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
			}
			if (!err_found)
				break;
		}
		if (i > 0 && nseg_new <= sg_max) {
			int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);

			if (ret < 0)
				return ret;
		}
	} else
		rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);

	/* Check for command underflow */
	if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
		printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
		       byte_count, scsicmd->underflow);
	}

	return byte_count;
}

static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
{
	struct sge_ieee1212 *sge;
	int i, j, pos;
	u32 addr_low;

	if (aac_convert_sgl == 0)
		return 0;

	sge = kmalloc_array(nseg_new, sizeof(*sge), GFP_ATOMIC);
	if (sge == NULL)
		return -ENOMEM;

	for (i = 1, pos = 1; i < nseg-1; ++i) {
		for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
			addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
			sge[pos].addrLow = addr_low;
			sge[pos].addrHigh = rio2->sge[i].addrHigh;
			if (addr_low < rio2->sge[i].addrLow)
				sge[pos].addrHigh++;
			sge[pos].length = pages * PAGE_SIZE;
			sge[pos].flags = 0;
			pos++;
		}
	}
	sge[pos] = rio2->sge[nseg-1];
	memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));

	kfree(sge);
	rio2->sgeCnt = cpu_to_le32(nseg_new);
	rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
	rio2->sgeNominalSize = pages * PAGE_SIZE;
	return 0;
}

static long aac_build_sghba(struct scsi_cmnd *scsicmd,
			struct aac_hba_cmd_req *hbacmd,
			int sg_max,
			u64 sg_address)
{
	unsigned long byte_count = 0;
	int nseg;
	struct scatterlist *sg;
	int i;
	u32 cur_size;
	struct aac_hba_sgl *sge;

	nseg = scsi_dma_map(scsicmd);
	if (nseg <= 0) {
		byte_count = nseg;
		goto out;
	}

	if (nseg > HBA_MAX_SG_EMBEDDED)
		sge = &hbacmd->sge[2];
	else
		sge = &hbacmd->sge[0];

	scsi_for_each_sg(scsicmd, sg, nseg, i) {
		int count = sg_dma_len(sg);
		u64 addr = sg_dma_address(sg);

		WARN_ON(i >= sg_max);
		sge->addr_hi = cpu_to_le32((u32)(addr>>32));
		sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
		cur_size = cpu_to_le32(count);
		sge->len = cur_size;
		sge->flags = 0;
		byte_count += count;
		sge++;
	}

	sge--;
	/* hba wants the size to be exact */
	if (byte_count > scsi_bufflen(scsicmd)) {
		u32 temp;

		temp = le32_to_cpu(sge->len) - byte_count
						- scsi_bufflen(scsicmd);
		sge->len = cpu_to_le32(temp);
		byte_count = scsi_bufflen(scsicmd);
	}

	if (nseg <= HBA_MAX_SG_EMBEDDED) {
		hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
		sge->flags = cpu_to_le32(0x40000000);
	} else {
		/* not embedded */
		hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
		hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
		hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
		hbacmd->sge[0].addr_lo =
			cpu_to_le32((u32)(sg_address & 0xffffffff));
	}

	/* Check for command underflow */
	if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
		pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
				byte_count, scsicmd->underflow);
	}
out:
	return byte_count;
}

#ifdef AAC_DETAILED_STATUS_INFO

struct aac_srb_status_info {
	u32	status;
	char	*str;
};


static struct aac_srb_status_info srb_status_info[] = {
	{ SRB_STATUS_PENDING,		"Pending Status"},
	{ SRB_STATUS_SUCCESS,		"Success"},
	{ SRB_STATUS_ABORTED,		"Aborted Command"},
	{ SRB_STATUS_ABORT_FAILED,	"Abort Failed"},
	{ SRB_STATUS_ERROR,		"Error Event"},
	{ SRB_STATUS_BUSY,		"Device Busy"},
	{ SRB_STATUS_INVALID_REQUEST,	"Invalid Request"},
	{ SRB_STATUS_INVALID_PATH_ID,	"Invalid Path ID"},
	{ SRB_STATUS_NO_DEVICE,		"No Device"},
	{ SRB_STATUS_TIMEOUT,		"Timeout"},
	{ SRB_STATUS_SELECTION_TIMEOUT,	"Selection Timeout"},
	{ SRB_STATUS_COMMAND_TIMEOUT,	"Command Timeout"},
	{ SRB_STATUS_MESSAGE_REJECTED,	"Message Rejected"},
	{ SRB_STATUS_BUS_RESET,		"Bus Reset"},
	{ SRB_STATUS_PARITY_ERROR,	"Parity Error"},
	{ SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
	{ SRB_STATUS_NO_HBA,		"No HBA"},
	{ SRB_STATUS_DATA_OVERRUN,	"Data Overrun/Data Underrun"},
	{ SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
	{ SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
	{ SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
	{ SRB_STATUS_REQUEST_FLUSHED,	"Request Flushed"},
	{ SRB_STATUS_DELAYED_RETRY,	"Delayed Retry"},
	{ SRB_STATUS_INVALID_LUN,	"Invalid LUN"},
	{ SRB_STATUS_INVALID_TARGET_ID,	"Invalid TARGET ID"},
	{ SRB_STATUS_BAD_FUNCTION,	"Bad Function"},
	{ SRB_STATUS_ERROR_RECOVERY,	"Error Recovery"},
	{ SRB_STATUS_NOT_STARTED,	"Not Started"},
	{ SRB_STATUS_NOT_IN_USE,	"Not In Use"},
	{ SRB_STATUS_FORCE_ABORT,	"Force Abort"},
	{ SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
	{ 0xff,				"Unknown Error"}
};

char *aac_get_status_string(u32 status)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
		if (srb_status_info[i].status == status)
			return srb_status_info[i].str;

	return "Bad Status Code";
}

#endif