summaryrefslogtreecommitdiffstats
path: root/fs/compat_ioctl.c
blob: 890bc30fbe2003563e4dbd52559decd06d724c23 (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
/*
 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
 *
 * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
 * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
 * Copyright (C) 2001,2002  Andi Kleen, SuSE Labs 
 * Copyright (C) 2003       Pavel Machek (pavel@suse.cz)
 *
 * These routines maintain argument size conversion between 32bit and 64bit
 * ioctls.
 */

#include <linux/config.h>
#include <linux/types.h>
#include <linux/compat.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/ioctl.h>
#include <linux/if.h>
#include <linux/if_bridge.h>
#include <linux/slab.h>
#include <linux/hdreg.h>
#include <linux/raid/md.h>
#include <linux/kd.h>
#include <linux/dirent.h>
#include <linux/route.h>
#include <linux/in6.h>
#include <linux/ipv6_route.h>
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/vt.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/fd.h>
#include <linux/ppp_defs.h>
#include <linux/if_ppp.h>
#include <linux/if_pppox.h>
#include <linux/mtio.h>
#include <linux/cdrom.h>
#include <linux/loop.h>
#include <linux/auto_fs.h>
#include <linux/auto_fs4.h>
#include <linux/devfs_fs.h>
#include <linux/tty.h>
#include <linux/vt_kern.h>
#include <linux/fb.h>
#include <linux/ext2_fs.h>
#include <linux/ext3_jbd.h>
#include <linux/ext3_fs.h>
#include <linux/videodev.h>
#include <linux/netdevice.h>
#include <linux/raw.h>
#include <linux/smb_fs.h>
#include <linux/blkpg.h>
#include <linux/blkdev.h>
#include <linux/elevator.h>
#include <linux/rtc.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/serial.h>
#include <linux/reiserfs_fs.h>
#include <linux/if_tun.h>
#include <linux/ctype.h>
#include <linux/ioctl32.h>
#include <linux/syscalls.h>
#include <linux/ncp_fs.h>
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
#include <linux/wireless.h>
#include <linux/atalk.h>

#include <net/sock.h>          /* siocdevprivate_ioctl */
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci.h>
#include <net/bluetooth/rfcomm.h>

#include <linux/capi.h>

#include <scsi/scsi.h>
#include <scsi/scsi_ioctl.h>
#include <scsi/sg.h>

#include <asm/uaccess.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_bonding.h>
#include <linux/watchdog.h>
#include <linux/dm-ioctl.h>

#include <linux/soundcard.h>
#include <linux/lp.h>
#include <linux/ppdev.h>

#include <linux/atm.h>
#include <linux/atmarp.h>
#include <linux/atmclip.h>
#include <linux/atmdev.h>
#include <linux/atmioc.h>
#include <linux/atmlec.h>
#include <linux/atmmpc.h>
#include <linux/atmsvc.h>
#include <linux/atm_tcp.h>
#include <linux/sonet.h>
#include <linux/atm_suni.h>
#include <linux/mtd/mtd.h>

#include <linux/usb.h>
#include <linux/usbdevice_fs.h>
#include <linux/nbd.h>
#include <linux/random.h>
#include <linux/filter.h>
#include <linux/msdos_fs.h>
#include <linux/pktcdvd.h>

#include <linux/hiddev.h>

#include <linux/dvb/audio.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/video.h>

/* Aiee. Someone does not find a difference between int and long */
#define EXT2_IOC32_GETFLAGS               _IOR('f', 1, int)
#define EXT2_IOC32_SETFLAGS               _IOW('f', 2, int)
#define EXT3_IOC32_GETVERSION             _IOR('f', 3, int)
#define EXT3_IOC32_SETVERSION             _IOW('f', 4, int)
#define EXT3_IOC32_GETRSVSZ               _IOR('f', 5, int)
#define EXT3_IOC32_SETRSVSZ               _IOW('f', 6, int)
#define EXT3_IOC32_GROUP_EXTEND           _IOW('f', 7, unsigned int)
#ifdef CONFIG_JBD_DEBUG
#define EXT3_IOC32_WAIT_FOR_READONLY      _IOR('f', 99, int)
#endif

#define EXT2_IOC32_GETVERSION             _IOR('v', 1, int)
#define EXT2_IOC32_SETVERSION             _IOW('v', 2, int)

static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
			      unsigned long arg, struct file *f)
{
	return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
}

static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	int err;
	unsigned long val;
	
	set_fs (KERNEL_DS);
	err = sys_ioctl(fd, cmd, (unsigned long)&val);
	set_fs (old_fs);
	if (!err && put_user(val, (u32 __user *)compat_ptr(arg)))
		return -EFAULT;
	return err;
}
 
static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	u32 __user *argptr = compat_ptr(arg);
	int err;
	unsigned long val;
	
	if(get_user(val, argptr))
		return -EFAULT;
	set_fs (KERNEL_DS);
	err = sys_ioctl(fd, cmd, (unsigned long)&val);
	set_fs (old_fs);
	if (!err && put_user(val, argptr))
		return -EFAULT;
	return err;
}

static int do_ext2_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	/* These are just misnamed, they actually get/put from/to user an int */
	switch (cmd) {
	case EXT2_IOC32_GETFLAGS: cmd = EXT2_IOC_GETFLAGS; break;
	case EXT2_IOC32_SETFLAGS: cmd = EXT2_IOC_SETFLAGS; break;
	case EXT2_IOC32_GETVERSION: cmd = EXT2_IOC_GETVERSION; break;
	case EXT2_IOC32_SETVERSION: cmd = EXT2_IOC_SETVERSION; break;
	}
	return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
}

static int do_ext3_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	/* These are just misnamed, they actually get/put from/to user an int */
	switch (cmd) {
	case EXT3_IOC32_GETVERSION: cmd = EXT3_IOC_GETVERSION; break;
	case EXT3_IOC32_SETVERSION: cmd = EXT3_IOC_SETVERSION; break;
	case EXT3_IOC32_GETRSVSZ: cmd = EXT3_IOC_GETRSVSZ; break;
	case EXT3_IOC32_SETRSVSZ: cmd = EXT3_IOC_SETRSVSZ; break;
	case EXT3_IOC32_GROUP_EXTEND: cmd = EXT3_IOC_GROUP_EXTEND; break;
#ifdef CONFIG_JBD_DEBUG
	case EXT3_IOC32_WAIT_FOR_READONLY: cmd = EXT3_IOC_WAIT_FOR_READONLY; break;
#endif
	}
	return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
}

struct compat_dmx_event {
	dmx_event_t	event;
	compat_time_t	timeStamp;
	union
	{
		dmx_scrambling_status_t scrambling;
	} u;
};

static int do_dmx_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct dmx_event kevent;
	mm_segment_t old_fs = get_fs();
	int err;

	set_fs(KERNEL_DS);
	err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
	set_fs(old_fs);

	if (!err) {
		struct compat_dmx_event __user *up = compat_ptr(arg);

		err  = put_user(kevent.event, &up->event);
		err |= put_user(kevent.timeStamp, &up->timeStamp);
		err |= put_user(kevent.u.scrambling, &up->u.scrambling);
		if (err)
			err = -EFAULT;
	}

	return err;
}

struct compat_video_event {
	int32_t		type;
	compat_time_t	timestamp;
	union {
	        video_size_t size;
		unsigned int frame_rate;
	} u;
};

static int do_video_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct video_event kevent;
	mm_segment_t old_fs = get_fs();
	int err;

	set_fs(KERNEL_DS);
	err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
	set_fs(old_fs);

	if (!err) {
		struct compat_video_event __user *up = compat_ptr(arg);

		err  = put_user(kevent.type, &up->type);
		err |= put_user(kevent.timestamp, &up->timestamp);
		err |= put_user(kevent.u.size.w, &up->u.size.w);
		err |= put_user(kevent.u.size.h, &up->u.size.h);
		err |= put_user(kevent.u.size.aspect_ratio,
				&up->u.size.aspect_ratio);
		if (err)
			err = -EFAULT;
	}

	return err;
}

struct compat_video_still_picture {
        compat_uptr_t iFrame;
        int32_t size;
};

static int do_video_stillpicture(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct compat_video_still_picture __user *up;
	struct video_still_picture __user *up_native;
	compat_uptr_t fp;
	int32_t size;
	int err;

	up = (struct compat_video_still_picture __user *) arg;
	err  = get_user(fp, &up->iFrame);
	err |= get_user(size, &up->size);
	if (err)
		return -EFAULT;

	up_native =
		compat_alloc_user_space(sizeof(struct video_still_picture));

	put_user(compat_ptr(fp), &up_native->iFrame);
	put_user(size, &up_native->size);

	err = sys_ioctl(fd, cmd, (unsigned long) up_native);

	return err;
}

struct compat_video_spu_palette {
	int length;
	compat_uptr_t palette;
};

static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct compat_video_spu_palette __user *up;
	struct video_spu_palette __user *up_native;
	compat_uptr_t palp;
	int length, err;

	up = (struct compat_video_spu_palette __user *) arg;
	err  = get_user(palp, &up->palette);
	err |= get_user(length, &up->length);

	up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
	put_user(compat_ptr(palp), &up_native->palette);
	put_user(length, &up_native->length);

	err = sys_ioctl(fd, cmd, (unsigned long) up_native);

	return err;
}

#ifdef CONFIG_NET
static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct compat_timeval __user *up = compat_ptr(arg);
	struct timeval ktv;
	mm_segment_t old_fs = get_fs();
	int err;

	set_fs(KERNEL_DS);
	err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
	set_fs(old_fs);
	if(!err) {
		err = put_user(ktv.tv_sec, &up->tv_sec);
		err |= __put_user(ktv.tv_usec, &up->tv_usec);
	}
	return err;
}

struct ifmap32 {
	compat_ulong_t mem_start;
	compat_ulong_t mem_end;
	unsigned short base_addr;
	unsigned char irq;
	unsigned char dma;
	unsigned char port;
};

struct ifreq32 {
#define IFHWADDRLEN     6
#define IFNAMSIZ        16
        union {
                char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
        } ifr_ifrn;
        union {
                struct  sockaddr ifru_addr;
                struct  sockaddr ifru_dstaddr;
                struct  sockaddr ifru_broadaddr;
                struct  sockaddr ifru_netmask;
                struct  sockaddr ifru_hwaddr;
                short   ifru_flags;
                compat_int_t     ifru_ivalue;
                compat_int_t     ifru_mtu;
                struct  ifmap32 ifru_map;
                char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
		char	ifru_newname[IFNAMSIZ];
                compat_caddr_t ifru_data;
	    /* XXXX? ifru_settings should be here */
        } ifr_ifru;
};

struct ifconf32 {
        compat_int_t	ifc_len;                        /* size of buffer       */
        compat_caddr_t  ifcbuf;
};

static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct net_device *dev;
	struct ifreq32 ifr32;
	int err;

	if (copy_from_user(&ifr32, compat_ptr(arg), sizeof(ifr32)))
		return -EFAULT;

	dev = dev_get_by_index(ifr32.ifr_ifindex);
	if (!dev)
		return -ENODEV;

	strlcpy(ifr32.ifr_name, dev->name, sizeof(ifr32.ifr_name));
	dev_put(dev);
	
	err = copy_to_user(compat_ptr(arg), &ifr32, sizeof(ifr32));
	return (err ? -EFAULT : 0);
}

static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ifconf32 ifc32;
	struct ifconf ifc;
	struct ifconf __user *uifc;
	struct ifreq32 __user *ifr32;
	struct ifreq __user *ifr;
	unsigned int i, j;
	int err;

	if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
		return -EFAULT;

	if (ifc32.ifcbuf == 0) {
		ifc32.ifc_len = 0;
		ifc.ifc_len = 0;
		ifc.ifc_req = NULL;
		uifc = compat_alloc_user_space(sizeof(struct ifconf));
	} else {
		size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
			sizeof (struct ifreq);
		uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
		ifc.ifc_len = len;
		ifr = ifc.ifc_req = (void __user *)(uifc + 1);
		ifr32 = compat_ptr(ifc32.ifcbuf);
		for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
			if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
				return -EFAULT;
			ifr++;
			ifr32++; 
		}
	}
	if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
		return -EFAULT;

	err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);	
	if (err)
		return err;

	if (copy_from_user(&ifc, uifc, sizeof(struct ifconf))) 
		return -EFAULT;

	ifr = ifc.ifc_req;
	ifr32 = compat_ptr(ifc32.ifcbuf);
	for (i = 0, j = 0;
             i + sizeof (struct ifreq32) < ifc32.ifc_len && j < ifc.ifc_len;
	     i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
		if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
			return -EFAULT;
		ifr32++;
		ifr++;
	}

	if (ifc32.ifcbuf == 0) {
		/* Translate from 64-bit structure multiple to
		 * a 32-bit one.
		 */
		i = ifc.ifc_len;
		i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
		ifc32.ifc_len = i;
	} else {
		ifc32.ifc_len = i;
	}
	if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
		return -EFAULT;

	return 0;
}

static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ifreq __user *ifr;
	struct ifreq32 __user *ifr32;
	u32 data;
	void __user *datap;
	
	ifr = compat_alloc_user_space(sizeof(*ifr));
	ifr32 = compat_ptr(arg);

	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
		return -EFAULT;

	if (get_user(data, &ifr32->ifr_ifru.ifru_data))
		return -EFAULT;

	datap = compat_ptr(data);
	if (put_user(datap, &ifr->ifr_ifru.ifru_data))
		return -EFAULT;

	return sys_ioctl(fd, cmd, (unsigned long) ifr);
}

static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ifreq kifr;
	struct ifreq __user *uifr;
	struct ifreq32 __user *ifr32 = compat_ptr(arg);
	mm_segment_t old_fs;
	int err;
	u32 data;
	void __user *datap;

	switch (cmd) {
	case SIOCBONDENSLAVE:
	case SIOCBONDRELEASE:
	case SIOCBONDSETHWADDR:
	case SIOCBONDCHANGEACTIVE:
		if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
			return -EFAULT;

		old_fs = get_fs();
		set_fs (KERNEL_DS);
		err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
		set_fs (old_fs);

		return err;
	case SIOCBONDSLAVEINFOQUERY:
	case SIOCBONDINFOQUERY:
		uifr = compat_alloc_user_space(sizeof(*uifr));
		if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
			return -EFAULT;

		if (get_user(data, &ifr32->ifr_ifru.ifru_data))
			return -EFAULT;

		datap = compat_ptr(data);
		if (put_user(datap, &uifr->ifr_ifru.ifru_data))
			return -EFAULT;

		return sys_ioctl (fd, cmd, (unsigned long)uifr);
	default:
		return -EINVAL;
	};
}

int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ifreq __user *u_ifreq64;
	struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
	char tmp_buf[IFNAMSIZ];
	void __user *data64;
	u32 data32;

	if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
			   IFNAMSIZ))
		return -EFAULT;
	if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
		return -EFAULT;
	data64 = compat_ptr(data32);

	u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));

	/* Don't check these user accesses, just let that get trapped
	 * in the ioctl handler instead.
	 */
	if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
			 IFNAMSIZ))
		return -EFAULT;
	if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
		return -EFAULT;

	return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
}

static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ifreq ifr;
	struct ifreq32 __user *uifr32;
	struct ifmap32 __user *uifmap32;
	mm_segment_t old_fs;
	int err;
	
	uifr32 = compat_ptr(arg);
	uifmap32 = &uifr32->ifr_ifru.ifru_map;
	switch (cmd) {
	case SIOCSIFMAP:
		err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
		err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
		err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
		err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
		err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
		err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
		err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
		if (err)
			return -EFAULT;
		break;
	default:
		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
			return -EFAULT;
		break;
	}
	old_fs = get_fs();
	set_fs (KERNEL_DS);
	err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
	set_fs (old_fs);
	if (!err) {
		switch (cmd) {
		/* TUNSETIFF is defined as _IOW, it should be _IORW
		 * as the data is copied back to user space, but that
		 * cannot be fixed without breaking all existing apps.
		 */
		case TUNSETIFF:
		case SIOCGIFFLAGS:
		case SIOCGIFMETRIC:
		case SIOCGIFMTU:
		case SIOCGIFMEM:
		case SIOCGIFHWADDR:
		case SIOCGIFINDEX:
		case SIOCGIFADDR:
		case SIOCGIFBRDADDR:
		case SIOCGIFDSTADDR:
		case SIOCGIFNETMASK:
		case SIOCGIFTXQLEN:
			if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
				return -EFAULT;
			break;
		case SIOCGIFMAP:
			err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
			err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
			err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
			err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
			err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
			err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
			err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
			if (err)
				err = -EFAULT;
			break;
		}
	}
	return err;
}

struct rtentry32 {
        u32   		rt_pad1;
        struct sockaddr rt_dst;         /* target address               */
        struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
        struct sockaddr rt_genmask;     /* target network mask (IP)     */
        unsigned short  rt_flags;
        short           rt_pad2;
        u32   		rt_pad3;
        unsigned char   rt_tos;
        unsigned char   rt_class;
        short           rt_pad4;
        short           rt_metric;      /* +1 for binary compatibility! */
        /* char * */ u32 rt_dev;        /* forcing the device at add    */
        u32   		rt_mtu;         /* per route MTU/Window         */
        u32   		rt_window;      /* Window clamping              */
        unsigned short  rt_irtt;        /* Initial RTT                  */

};

struct in6_rtmsg32 {
	struct in6_addr		rtmsg_dst;
	struct in6_addr		rtmsg_src;
	struct in6_addr		rtmsg_gateway;
	u32			rtmsg_type;
	u16			rtmsg_dst_len;
	u16			rtmsg_src_len;
	u32			rtmsg_metric;
	u32			rtmsg_info;
	u32			rtmsg_flags;
	s32			rtmsg_ifindex;
};

static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	int ret;
	void *r = NULL;
	struct in6_rtmsg r6;
	struct rtentry r4;
	char devname[16];
	u32 rtdev;
	mm_segment_t old_fs = get_fs();
	
	struct socket *mysock = sockfd_lookup(fd, &ret);

	if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
		struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
		ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
			3 * sizeof(struct in6_addr));
		ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
		ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
		ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
		ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
		ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
		ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
		ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
		
		r = (void *) &r6;
	} else { /* ipv4 */
		struct rtentry32 __user *ur4 = compat_ptr(arg);
		ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
					3 * sizeof(struct sockaddr));
		ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
		ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
		ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
		ret |= __get_user (r4.rt_window, &(ur4->rt_window));
		ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
		ret |= __get_user (rtdev, &(ur4->rt_dev));
		if (rtdev) {
			ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
			r4.rt_dev = devname; devname[15] = 0;
		} else
			r4.rt_dev = NULL;

		r = (void *) &r4;
	}

	if (ret) {
		ret = -EFAULT;
		goto out;
	}

	set_fs (KERNEL_DS);
	ret = sys_ioctl (fd, cmd, (unsigned long) r);
	set_fs (old_fs);

out:
	if (mysock)
		sockfd_put(mysock);

	return ret;
}
#endif

struct hd_geometry32 {
	unsigned char heads;
	unsigned char sectors;
	unsigned short cylinders;
	u32 start;
};
                        
static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	struct hd_geometry geo;
	struct hd_geometry32 __user *ugeo;
	int err;
	
	set_fs (KERNEL_DS);
	err = sys_ioctl(fd, HDIO_GETGEO, (unsigned long)&geo);
	set_fs (old_fs);
	ugeo = compat_ptr(arg);
	if (!err) {
		err = copy_to_user (ugeo, &geo, 4);
		err |= __put_user (geo.start, &ugeo->start);
	}
	return err ? -EFAULT : 0;
}

static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	unsigned long kval;
	unsigned int __user *uvp;
	int error;

	set_fs(KERNEL_DS);
	error = sys_ioctl(fd, cmd, (long)&kval);
	set_fs(old_fs);

	if(error == 0) {
		uvp = compat_ptr(arg);
		if(put_user(kval, uvp))
			error = -EFAULT;
	}
	return error;
}


typedef struct sg_io_hdr32 {
	compat_int_t interface_id;	/* [i] 'S' for SCSI generic (required) */
	compat_int_t dxfer_direction;	/* [i] data transfer direction  */
	unsigned char cmd_len;		/* [i] SCSI command length ( <= 16 bytes) */
	unsigned char mx_sb_len;		/* [i] max length to write to sbp */
	unsigned short iovec_count;	/* [i] 0 implies no scatter gather */
	compat_uint_t dxfer_len;		/* [i] byte count of data transfer */
	compat_uint_t dxferp;		/* [i], [*io] points to data transfer memory
					      or scatter gather list */
	compat_uptr_t cmdp;		/* [i], [*i] points to command to perform */
	compat_uptr_t sbp;		/* [i], [*o] points to sense_buffer memory */
	compat_uint_t timeout;		/* [i] MAX_UINT->no timeout (unit: millisec) */
	compat_uint_t flags;		/* [i] 0 -> default, see SG_FLAG... */
	compat_int_t pack_id;		/* [i->o] unused internally (normally) */
	compat_uptr_t usr_ptr;		/* [i->o] unused internally */
	unsigned char status;		/* [o] scsi status */
	unsigned char masked_status;	/* [o] shifted, masked scsi status */
	unsigned char msg_status;		/* [o] messaging level data (optional) */
	unsigned char sb_len_wr;		/* [o] byte count actually written to sbp */
	unsigned short host_status;	/* [o] errors from host adapter */
	unsigned short driver_status;	/* [o] errors from software driver */
	compat_int_t resid;		/* [o] dxfer_len - actual_transferred */
	compat_uint_t duration;		/* [o] time taken by cmd (unit: millisec) */
	compat_uint_t info;		/* [o] auxiliary information */
} sg_io_hdr32_t;  /* 64 bytes long (on sparc32) */

typedef struct sg_iovec32 {
	compat_uint_t iov_base;
	compat_uint_t iov_len;
} sg_iovec32_t;

static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
{
	sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
	sg_iovec32_t __user *iov32 = dxferp;
	int i;

	for (i = 0; i < iovec_count; i++) {
		u32 base, len;

		if (get_user(base, &iov32[i].iov_base) ||
		    get_user(len, &iov32[i].iov_len) ||
		    put_user(compat_ptr(base), &iov[i].iov_base) ||
		    put_user(len, &iov[i].iov_len))
			return -EFAULT;
	}

	if (put_user(iov, &sgio->dxferp))
		return -EFAULT;
	return 0;
}

static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	sg_io_hdr_t __user *sgio;
	sg_io_hdr32_t __user *sgio32;
	u16 iovec_count;
	u32 data;
	void __user *dxferp;
	int err;

	sgio32 = compat_ptr(arg);
	if (get_user(iovec_count, &sgio32->iovec_count))
		return -EFAULT;

	{
		void __user *top = compat_alloc_user_space(0);
		void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
				       (iovec_count * sizeof(sg_iovec_t)));
		if (new > top)
			return -EINVAL;

		sgio = new;
	}

	/* Ok, now construct.  */
	if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
			 (2 * sizeof(int)) +
			 (2 * sizeof(unsigned char)) +
			 (1 * sizeof(unsigned short)) +
			 (1 * sizeof(unsigned int))))
		return -EFAULT;

	if (get_user(data, &sgio32->dxferp))
		return -EFAULT;
	dxferp = compat_ptr(data);
	if (iovec_count) {
		if (sg_build_iovec(sgio, dxferp, iovec_count))
			return -EFAULT;
	} else {
		if (put_user(dxferp, &sgio->dxferp))
			return -EFAULT;
	}

	{
		unsigned char __user *cmdp;
		unsigned char __user *sbp;

		if (get_user(data, &sgio32->cmdp))
			return -EFAULT;
		cmdp = compat_ptr(data);

		if (get_user(data, &sgio32->sbp))
			return -EFAULT;
		sbp = compat_ptr(data);

		if (put_user(cmdp, &sgio->cmdp) ||
		    put_user(sbp, &sgio->sbp))
			return -EFAULT;
	}

	if (copy_in_user(&sgio->timeout, &sgio32->timeout,
			 3 * sizeof(int)))
		return -EFAULT;

	if (get_user(data, &sgio32->usr_ptr))
		return -EFAULT;
	if (put_user(compat_ptr(data), &sgio->usr_ptr))
		return -EFAULT;

	if (copy_in_user(&sgio->status, &sgio32->status,
			 (4 * sizeof(unsigned char)) +
			 (2 * sizeof(unsigned (short))) +
			 (3 * sizeof(int))))
		return -EFAULT;

	err = sys_ioctl(fd, cmd, (unsigned long) sgio);

	if (err >= 0) {
		void __user *datap;

		if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
				 sizeof(int)) ||
		    get_user(datap, &sgio->usr_ptr) ||
		    put_user((u32)(unsigned long)datap,
			     &sgio32->usr_ptr) ||
		    copy_in_user(&sgio32->status, &sgio->status,
				 (4 * sizeof(unsigned char)) +
				 (2 * sizeof(unsigned short)) +
				 (3 * sizeof(int))))
			err = -EFAULT;
	}

	return err;
}

struct sock_fprog32 {
	unsigned short	len;
	compat_caddr_t	filter;
};

#define PPPIOCSPASS32	_IOW('t', 71, struct sock_fprog32)
#define PPPIOCSACTIVE32	_IOW('t', 70, struct sock_fprog32)

static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct sock_fprog32 __user *u_fprog32 = compat_ptr(arg);
	struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
	void __user *fptr64;
	u32 fptr32;
	u16 flen;

	if (get_user(flen, &u_fprog32->len) ||
	    get_user(fptr32, &u_fprog32->filter))
		return -EFAULT;

	fptr64 = compat_ptr(fptr32);

	if (put_user(flen, &u_fprog64->len) ||
	    put_user(fptr64, &u_fprog64->filter))
		return -EFAULT;

	if (cmd == PPPIOCSPASS32)
		cmd = PPPIOCSPASS;
	else
		cmd = PPPIOCSACTIVE;

	return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
}

struct ppp_option_data32 {
	compat_caddr_t	ptr;
	u32			length;
	compat_int_t		transmit;
};
#define PPPIOCSCOMPRESS32	_IOW('t', 77, struct ppp_option_data32)

struct ppp_idle32 {
	compat_time_t xmit_idle;
	compat_time_t recv_idle;
};
#define PPPIOCGIDLE32		_IOR('t', 63, struct ppp_idle32)

static int ppp_gidle(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ppp_idle __user *idle;
	struct ppp_idle32 __user *idle32;
	__kernel_time_t xmit, recv;
	int err;

	idle = compat_alloc_user_space(sizeof(*idle));
	idle32 = compat_ptr(arg);

	err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);

	if (!err) {
		if (get_user(xmit, &idle->xmit_idle) ||
		    get_user(recv, &idle->recv_idle) ||
		    put_user(xmit, &idle32->xmit_idle) ||
		    put_user(recv, &idle32->recv_idle))
			err = -EFAULT;
	}
	return err;
}

static int ppp_scompress(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ppp_option_data __user *odata;
	struct ppp_option_data32 __user *odata32;
	__u32 data;
	void __user *datap;

	odata = compat_alloc_user_space(sizeof(*odata));
	odata32 = compat_ptr(arg);

	if (get_user(data, &odata32->ptr))
		return -EFAULT;

	datap = compat_ptr(data);
	if (put_user(datap, &odata->ptr))
		return -EFAULT;

	if (copy_in_user(&odata->length, &odata32->length,
			 sizeof(__u32) + sizeof(int)))
		return -EFAULT;

	return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
}

static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	int err;

	switch (cmd) {
	case PPPIOCGIDLE32:
		err = ppp_gidle(fd, cmd, arg);
		break;

	case PPPIOCSCOMPRESS32:
		err = ppp_scompress(fd, cmd, arg);
		break;

	default:
		do {
			static int count;
			if (++count <= 20)
				printk("ppp_ioctl: Unknown cmd fd(%d) "
				       "cmd(%08x) arg(%08x)\n",
				       (int)fd, (unsigned int)cmd, (unsigned int)arg);
		} while(0);
		err = -EINVAL;
		break;
	};

	return err;
}


struct mtget32 {
	compat_long_t	mt_type;
	compat_long_t	mt_resid;
	compat_long_t	mt_dsreg;
	compat_long_t	mt_gstat;
	compat_long_t	mt_erreg;
	compat_daddr_t	mt_fileno;
	compat_daddr_t	mt_blkno;
};
#define MTIOCGET32	_IOR('m', 2, struct mtget32)

struct mtpos32 {
	compat_long_t	mt_blkno;
};
#define MTIOCPOS32	_IOR('m', 3, struct mtpos32)

static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	struct mtget get;
	struct mtget32 __user *umget32;
	struct mtpos pos;
	struct mtpos32 __user *upos32;
	unsigned long kcmd;
	void *karg;
	int err = 0;

	switch(cmd) {
	case MTIOCPOS32:
		kcmd = MTIOCPOS;
		karg = &pos;
		break;
	case MTIOCGET32:
		kcmd = MTIOCGET;
		karg = &get;
		break;
	default:
		do {
			static int count;
			if (++count <= 20)
				printk("mt_ioctl: Unknown cmd fd(%d) "
				       "cmd(%08x) arg(%08x)\n",
				       (int)fd, (unsigned int)cmd, (unsigned int)arg);
		} while(0);
		return -EINVAL;
	}
	set_fs (KERNEL_DS);
	err = sys_ioctl (fd, kcmd, (unsigned long)karg);
	set_fs (old_fs);
	if (err)
		return err;
	switch (cmd) {
	case MTIOCPOS32:
		upos32 = compat_ptr(arg);
		err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
		break;
	case MTIOCGET32:
		umget32 = compat_ptr(arg);
		err = __put_user(get.mt_type, &umget32->mt_type);
		err |= __put_user(get.mt_resid, &umget32->mt_resid);
		err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
		err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
		err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
		err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
		err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
		break;
	}
	return err ? -EFAULT: 0;
}

struct cdrom_read_audio32 {
	union cdrom_addr	addr;
	u8			addr_format;
	compat_int_t		nframes;
	compat_caddr_t		buf;
};

struct cdrom_generic_command32 {
	unsigned char	cmd[CDROM_PACKET_SIZE];
	compat_caddr_t	buffer;
	compat_uint_t	buflen;
	compat_int_t	stat;
	compat_caddr_t	sense;
	unsigned char	data_direction;
	compat_int_t	quiet;
	compat_int_t	timeout;
	compat_caddr_t	reserved[1];
};
  
static int cdrom_do_read_audio(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct cdrom_read_audio __user *cdread_audio;
	struct cdrom_read_audio32 __user *cdread_audio32;
	__u32 data;
	void __user *datap;

	cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio));
	cdread_audio32 = compat_ptr(arg);

	if (copy_in_user(&cdread_audio->addr,
			 &cdread_audio32->addr,
			 (sizeof(*cdread_audio32) -
			  sizeof(compat_caddr_t))))
	 	return -EFAULT;

	if (get_user(data, &cdread_audio32->buf))
		return -EFAULT;
	datap = compat_ptr(data);
	if (put_user(datap, &cdread_audio->buf))
		return -EFAULT;

	return sys_ioctl(fd, cmd, (unsigned long) cdread_audio);
}

static int cdrom_do_generic_command(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct cdrom_generic_command __user *cgc;
	struct cdrom_generic_command32 __user *cgc32;
	u32 data;
	unsigned char dir;
	int itmp;

	cgc = compat_alloc_user_space(sizeof(*cgc));
	cgc32 = compat_ptr(arg);

	if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) ||
	    get_user(data, &cgc32->buffer) ||
	    put_user(compat_ptr(data), &cgc->buffer) ||
	    copy_in_user(&cgc->buflen, &cgc32->buflen,
			 (sizeof(unsigned int) + sizeof(int))) ||
	    get_user(data, &cgc32->sense) ||
	    put_user(compat_ptr(data), &cgc->sense) ||
	    get_user(dir, &cgc32->data_direction) ||
	    put_user(dir, &cgc->data_direction) ||
	    get_user(itmp, &cgc32->quiet) ||
	    put_user(itmp, &cgc->quiet) ||
	    get_user(itmp, &cgc32->timeout) ||
	    put_user(itmp, &cgc->timeout) ||
	    get_user(data, &cgc32->reserved[0]) ||
	    put_user(compat_ptr(data), &cgc->reserved[0]))
		return -EFAULT;

	return sys_ioctl(fd, cmd, (unsigned long) cgc);
}

static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	int err;

	switch(cmd) {
	case CDROMREADAUDIO:
		err = cdrom_do_read_audio(fd, cmd, arg);
		break;

	case CDROM_SEND_PACKET:
		err = cdrom_do_generic_command(fd, cmd, arg);
		break;

	default:
		do {
			static int count;
			if (++count <= 20)
				printk("cdrom_ioctl: Unknown cmd fd(%d) "
				       "cmd(%08x) arg(%08x)\n",
				       (int)fd, (unsigned int)cmd, (unsigned int)arg);
		} while(0);
		err = -EINVAL;
		break;
	};

	return err;
}

struct loop_info32 {
	compat_int_t	lo_number;      /* ioctl r/o */
	compat_dev_t	lo_device;      /* ioctl r/o */
	compat_ulong_t	lo_inode;       /* ioctl r/o */
	compat_dev_t	lo_rdevice;     /* ioctl r/o */
	compat_int_t	lo_offset;
	compat_int_t	lo_encrypt_type;
	compat_int_t	lo_encrypt_key_size;    /* ioctl w/o */
	compat_int_t	lo_flags;       /* ioctl r/o */
	char		lo_name[LO_NAME_SIZE];
	unsigned char	lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
	compat_ulong_t	lo_init[2];
	char		reserved[4];
};

static int loop_status(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	struct loop_info l;
	struct loop_info32 __user *ul;
	int err = -EINVAL;

	ul = compat_ptr(arg);
	switch(cmd) {
	case LOOP_SET_STATUS:
		err = get_user(l.lo_number, &ul->lo_number);
		err |= __get_user(l.lo_device, &ul->lo_device);
		err |= __get_user(l.lo_inode, &ul->lo_inode);
		err |= __get_user(l.lo_rdevice, &ul->lo_rdevice);
		err |= __copy_from_user(&l.lo_offset, &ul->lo_offset,
		        8 + (unsigned long)l.lo_init - (unsigned long)&l.lo_offset);
		if (err) {
			err = -EFAULT;
		} else {
			set_fs (KERNEL_DS);
			err = sys_ioctl (fd, cmd, (unsigned long)&l);
			set_fs (old_fs);
		}
		break;
	case LOOP_GET_STATUS:
		set_fs (KERNEL_DS);
		err = sys_ioctl (fd, cmd, (unsigned long)&l);
		set_fs (old_fs);
		if (!err) {
			err = put_user(l.lo_number, &ul->lo_number);
			err |= __put_user(l.lo_device, &ul->lo_device);
			err |= __put_user(l.lo_inode, &ul->lo_inode);
			err |= __put_user(l.lo_rdevice, &ul->lo_rdevice);
			err |= __copy_to_user(&ul->lo_offset, &l.lo_offset,
				(unsigned long)l.lo_init - (unsigned long)&l.lo_offset);
			if (err)
				err = -EFAULT;
		}
		break;
	default: {
		static int count;
		if (++count <= 20)
			printk("%s: Unknown loop ioctl cmd, fd(%d) "
			       "cmd(%08x) arg(%08lx)\n",
			       __FUNCTION__, fd, cmd, arg);
	}
	}
	return err;
}

extern int tty_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg);

#ifdef CONFIG_VT

static int vt_check(struct file *file)
{
	struct tty_struct *tty;
	struct inode *inode = file->f_dentry->d_inode;
	
	if (file->f_op->ioctl != tty_ioctl)
		return -EINVAL;
	                
	tty = (struct tty_struct *)file->private_data;
	if (tty_paranoia_check(tty, inode, "tty_ioctl"))
		return -EINVAL;
	                                                
	if (tty->driver->ioctl != vt_ioctl)
		return -EINVAL;
	
	/*
	 * To have permissions to do most of the vt ioctls, we either have
	 * to be the owner of the tty, or super-user.
	 */
	if (current->signal->tty == tty || capable(CAP_SYS_ADMIN))
		return 1;
	return 0;                                                    
}

struct consolefontdesc32 {
	unsigned short charcount;       /* characters in font (256 or 512) */
	unsigned short charheight;      /* scan lines per character (1-32) */
	compat_caddr_t chardata;	/* font data in expanded form */
};

static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
{
	struct consolefontdesc32 __user *user_cfd = compat_ptr(arg);
	struct console_font_op op;
	compat_caddr_t data;
	int i, perm;

	perm = vt_check(file);
	if (perm < 0) return perm;
	
	switch (cmd) {
	case PIO_FONTX:
		if (!perm)
			return -EPERM;
		op.op = KD_FONT_OP_SET;
		op.flags = 0;
		op.width = 8;
		if (get_user(op.height, &user_cfd->charheight) ||
		    get_user(op.charcount, &user_cfd->charcount) ||
		    get_user(data, &user_cfd->chardata))
			return -EFAULT;
		op.data = compat_ptr(data);
		return con_font_op(vc_cons[fg_console].d, &op);
	case GIO_FONTX:
		op.op = KD_FONT_OP_GET;
		op.flags = 0;
		op.width = 8;
		if (get_user(op.height, &user_cfd->charheight) ||
		    get_user(op.charcount, &user_cfd->charcount) ||
		    get_user(data, &user_cfd->chardata))
			return -EFAULT;
		if (!data)
			return 0;
		op.data = compat_ptr(data);
		i = con_font_op(vc_cons[fg_console].d, &op);
		if (i)
			return i;
		if (put_user(op.height, &user_cfd->charheight) ||
		    put_user(op.charcount, &user_cfd->charcount) ||
		    put_user((compat_caddr_t)(unsigned long)op.data,
				&user_cfd->chardata))
			return -EFAULT;
		return 0;
	}
	return -EINVAL;
}

struct console_font_op32 {
	compat_uint_t op;        /* operation code KD_FONT_OP_* */
	compat_uint_t flags;     /* KD_FONT_FLAG_* */
	compat_uint_t width, height;     /* font size */
	compat_uint_t charcount;
	compat_caddr_t data;    /* font data with height fixed to 32 */
};
                                        
static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
{
	struct console_font_op op;
	struct console_font_op32 __user *fontop = compat_ptr(arg);
	int perm = vt_check(file), i;
	struct vc_data *vc;
	
	if (perm < 0) return perm;
	
	if (copy_from_user(&op, fontop, sizeof(struct console_font_op32)))
		return -EFAULT;
	if (!perm && op.op != KD_FONT_OP_GET)
		return -EPERM;
	op.data = compat_ptr(((struct console_font_op32 *)&op)->data);
	op.flags |= KD_FONT_FLAG_OLD;
	vc = ((struct tty_struct *)file->private_data)->driver_data;
	i = con_font_op(vc, &op);
	if (i)
		return i;
	((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
	if (copy_to_user(fontop, &op, sizeof(struct console_font_op32)))
		return -EFAULT;
	return 0;
}

struct unimapdesc32 {
	unsigned short entry_ct;
	compat_caddr_t entries;
};

static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
{
	struct unimapdesc32 tmp;
	struct unimapdesc32 __user *user_ud = compat_ptr(arg);
	int perm = vt_check(file);
	
	if (perm < 0) return perm;
	if (copy_from_user(&tmp, user_ud, sizeof tmp))
		return -EFAULT;
	switch (cmd) {
	case PIO_UNIMAP:
		if (!perm) return -EPERM;
		return con_set_unimap(vc_cons[fg_console].d, tmp.entry_ct, compat_ptr(tmp.entries));
	case GIO_UNIMAP:
		return con_get_unimap(vc_cons[fg_console].d, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries));
	}
	return 0;
}

#endif /* CONFIG_VT */

static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	__kernel_uid_t kuid;
	int err;

	cmd = SMB_IOC_GETMOUNTUID;

	set_fs(KERNEL_DS);
	err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
	set_fs(old_fs);

	if (err >= 0)
		err = put_user(kuid, (compat_uid_t __user *)compat_ptr(arg));

	return err;
}

struct atmif_sioc32 {
        compat_int_t	number;
        compat_int_t	length;
        compat_caddr_t	arg;
};

struct atm_iobuf32 {
	compat_int_t	length;
	compat_caddr_t	buffer;
};

#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
#define ATM_GETNAMES32    _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
#define ATM_GETTYPE32     _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
#define ATM_GETESI32	  _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
#define ATM_GETADDR32	  _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
#define ATM_RSTADDR32	  _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
#define ATM_ADDADDR32	  _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
#define ATM_DELADDR32	  _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
#define ATM_GETCIRANGE32  _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
#define ATM_SETCIRANGE32  _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
#define ATM_SETESI32      _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
#define ATM_SETESIF32     _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
#define ATM_GETSTAT32     _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
#define ATM_GETSTATZ32    _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
#define ATM_GETLOOP32	  _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
#define ATM_SETLOOP32	  _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
#define ATM_QUERYLOOP32	  _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)

static struct {
        unsigned int cmd32;
        unsigned int cmd;
} atm_ioctl_map[] = {
        { ATM_GETLINKRATE32, ATM_GETLINKRATE },
	{ ATM_GETNAMES32,    ATM_GETNAMES },
        { ATM_GETTYPE32,     ATM_GETTYPE },
        { ATM_GETESI32,      ATM_GETESI },
        { ATM_GETADDR32,     ATM_GETADDR },
        { ATM_RSTADDR32,     ATM_RSTADDR },
        { ATM_ADDADDR32,     ATM_ADDADDR },
        { ATM_DELADDR32,     ATM_DELADDR },
        { ATM_GETCIRANGE32,  ATM_GETCIRANGE },
	{ ATM_SETCIRANGE32,  ATM_SETCIRANGE },
	{ ATM_SETESI32,      ATM_SETESI },
	{ ATM_SETESIF32,     ATM_SETESIF },
	{ ATM_GETSTAT32,     ATM_GETSTAT },
	{ ATM_GETSTATZ32,    ATM_GETSTATZ },
	{ ATM_GETLOOP32,     ATM_GETLOOP },
	{ ATM_SETLOOP32,     ATM_SETLOOP },
	{ ATM_QUERYLOOP32,   ATM_QUERYLOOP }
};

#define NR_ATM_IOCTL (sizeof(atm_ioctl_map)/sizeof(atm_ioctl_map[0]))


static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct atm_iobuf   __user *iobuf;
	struct atm_iobuf32 __user *iobuf32;
	u32 data;
	void __user *datap;
	int len, err;

	iobuf = compat_alloc_user_space(sizeof(*iobuf));
	iobuf32 = compat_ptr(arg);

	if (get_user(len, &iobuf32->length) ||
	    get_user(data, &iobuf32->buffer))
		return -EFAULT;
	datap = compat_ptr(data);
	if (put_user(len, &iobuf->length) ||
	    put_user(datap, &iobuf->buffer))
		return -EFAULT;

	err = sys_ioctl(fd, cmd, (unsigned long)iobuf);

	if (!err) {
		if (copy_in_user(&iobuf32->length, &iobuf->length,
				 sizeof(int)))
			err = -EFAULT;
	}

	return err;
}

static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
{
        struct atmif_sioc   __user *sioc;
	struct atmif_sioc32 __user *sioc32;
	u32 data;
	void __user *datap;
	int err;
        
	sioc = compat_alloc_user_space(sizeof(*sioc));
	sioc32 = compat_ptr(arg);

	if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
	    get_user(data, &sioc32->arg))
		return -EFAULT;
	datap = compat_ptr(data);
	if (put_user(datap, &sioc->arg))
		return -EFAULT;

	err = sys_ioctl(fd, cmd, (unsigned long) sioc);

	if (!err) {
		if (copy_in_user(&sioc32->length, &sioc->length,
				 sizeof(int)))
			err = -EFAULT;
	}
	return err;
}

static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
{
        int i;
        unsigned int cmd = 0;
        
	switch (cmd32) {
	case SONET_GETSTAT:
	case SONET_GETSTATZ:
	case SONET_GETDIAG:
	case SONET_SETDIAG:
	case SONET_CLRDIAG:
	case SONET_SETFRAMING:
	case SONET_GETFRAMING:
	case SONET_GETFRSENSE:
		return do_atmif_sioc(fd, cmd32, arg);
	}

	for (i = 0; i < NR_ATM_IOCTL; i++) {
		if (cmd32 == atm_ioctl_map[i].cmd32) {
			cmd = atm_ioctl_map[i].cmd;
			break;
		}
	}
	if (i == NR_ATM_IOCTL)
	        return -EINVAL;
        
        switch (cmd) {
	case ATM_GETNAMES:
		return do_atm_iobuf(fd, cmd, arg);
	    
	case ATM_GETLINKRATE:
        case ATM_GETTYPE:
        case ATM_GETESI:
        case ATM_GETADDR:
        case ATM_RSTADDR:
        case ATM_ADDADDR:
        case ATM_DELADDR:
        case ATM_GETCIRANGE:
	case ATM_SETCIRANGE:
	case ATM_SETESI:
	case ATM_SETESIF:
	case ATM_GETSTAT:
	case ATM_GETSTATZ:
	case ATM_GETLOOP:
	case ATM_SETLOOP:
	case ATM_QUERYLOOP:
                return do_atmif_sioc(fd, cmd, arg);
        }

        return -EINVAL;
}

static __attribute_used__ int 
ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	return -EINVAL;
}

static int broken_blkgetsize(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	/* The mkswap binary hard codes it to Intel value :-((( */
	return w_long(fd, BLKGETSIZE, arg);
}

struct blkpg_ioctl_arg32 {
	compat_int_t op;
	compat_int_t flags;
	compat_int_t datalen;
	compat_caddr_t data;
};

static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct blkpg_ioctl_arg32 __user *ua32 = compat_ptr(arg);
	struct blkpg_ioctl_arg __user *a = compat_alloc_user_space(sizeof(*a));
	compat_caddr_t udata;
	compat_int_t n;
	int err;
	
	err = get_user(n, &ua32->op);
	err |= put_user(n, &a->op);
	err |= get_user(n, &ua32->flags);
	err |= put_user(n, &a->flags);
	err |= get_user(n, &ua32->datalen);
	err |= put_user(n, &a->datalen);
	err |= get_user(udata, &ua32->data);
	err |= put_user(compat_ptr(udata), &a->data);
	if (err)
		return err;

	return sys_ioctl(fd, cmd, (unsigned long)a);
}

static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg);
}

/* Fix sizeof(sizeof()) breakage */
#define BLKBSZGET_32   _IOR(0x12,112,int)
#define BLKBSZSET_32   _IOW(0x12,113,int)
#define BLKGETSIZE64_32        _IOR(0x12,114,int)

static int do_blkbszget(unsigned int fd, unsigned int cmd, unsigned long arg)
{
       return sys_ioctl(fd, BLKBSZGET, (unsigned long)compat_ptr(arg));
}

static int do_blkbszset(unsigned int fd, unsigned int cmd, unsigned long arg)
{
       return sys_ioctl(fd, BLKBSZSET, (unsigned long)compat_ptr(arg));
}

static int do_blkgetsize64(unsigned int fd, unsigned int cmd,
                          unsigned long arg)
{
       return sys_ioctl(fd, BLKGETSIZE64, (unsigned long)compat_ptr(arg));
}

/* Bluetooth ioctls */
#define HCIUARTSETPROTO	_IOW('U', 200, int)
#define HCIUARTGETPROTO	_IOR('U', 201, int)

#define BNEPCONNADD	_IOW('B', 200, int)
#define BNEPCONNDEL	_IOW('B', 201, int)
#define BNEPGETCONNLIST	_IOR('B', 210, int)
#define BNEPGETCONNINFO	_IOR('B', 211, int)

#define CMTPCONNADD	_IOW('C', 200, int)
#define CMTPCONNDEL	_IOW('C', 201, int)
#define CMTPGETCONNLIST	_IOR('C', 210, int)
#define CMTPGETCONNINFO	_IOR('C', 211, int)

#define HIDPCONNADD	_IOW('H', 200, int)
#define HIDPCONNDEL	_IOW('H', 201, int)
#define HIDPGETCONNLIST	_IOR('H', 210, int)
#define HIDPGETCONNINFO	_IOR('H', 211, int)

struct floppy_struct32 {
	compat_uint_t	size;
	compat_uint_t	sect;
	compat_uint_t	head;
	compat_uint_t	track;
	compat_uint_t	stretch;
	unsigned char	gap;
	unsigned char	rate;
	unsigned char	spec1;
	unsigned char	fmt_gap;
	const compat_caddr_t name;
};

struct floppy_drive_params32 {
	char		cmos;
	compat_ulong_t	max_dtr;
	compat_ulong_t	hlt;
	compat_ulong_t	hut;
	compat_ulong_t	srt;
	compat_ulong_t	spinup;
	compat_ulong_t	spindown;
	unsigned char	spindown_offset;
	unsigned char	select_delay;
	unsigned char	rps;
	unsigned char	tracks;
	compat_ulong_t	timeout;
	unsigned char	interleave_sect;
	struct floppy_max_errors max_errors;
	char		flags;
	char		read_track;
	short		autodetect[8];
	compat_int_t	checkfreq;
	compat_int_t	native_format;
};

struct floppy_drive_struct32 {
	signed char	flags;
	compat_ulong_t	spinup_date;
	compat_ulong_t	select_date;
	compat_ulong_t	first_read_date;
	short		probed_format;
	short		track;
	short		maxblock;
	short		maxtrack;
	compat_int_t	generation;
	compat_int_t	keep_data;
	compat_int_t	fd_ref;
	compat_int_t	fd_device;
	compat_int_t	last_checked;
	compat_caddr_t dmabuf;
	compat_int_t	bufblocks;
};

struct floppy_fdc_state32 {
	compat_int_t	spec1;
	compat_int_t	spec2;
	compat_int_t	dtr;
	unsigned char	version;
	unsigned char	dor;
	compat_ulong_t	address;
	unsigned int	rawcmd:2;
	unsigned int	reset:1;
	unsigned int	need_configure:1;
	unsigned int	perp_mode:2;
	unsigned int	has_fifo:1;
	unsigned int	driver_version;
	unsigned char	track[4];
};

struct floppy_write_errors32 {
	unsigned int	write_errors;
	compat_ulong_t	first_error_sector;
	compat_int_t	first_error_generation;
	compat_ulong_t	last_error_sector;
	compat_int_t	last_error_generation;
	compat_uint_t	badness;
};

#define FDSETPRM32 _IOW(2, 0x42, struct floppy_struct32)
#define FDDEFPRM32 _IOW(2, 0x43, struct floppy_struct32)
#define FDGETPRM32 _IOR(2, 0x04, struct floppy_struct32)
#define FDSETDRVPRM32 _IOW(2, 0x90, struct floppy_drive_params32)
#define FDGETDRVPRM32 _IOR(2, 0x11, struct floppy_drive_params32)
#define FDGETDRVSTAT32 _IOR(2, 0x12, struct floppy_drive_struct32)
#define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct floppy_drive_struct32)
#define FDGETFDCSTAT32 _IOR(2, 0x15, struct floppy_fdc_state32)
#define FDWERRORGET32  _IOR(2, 0x17, struct floppy_write_errors32)

static struct {
	unsigned int	cmd32;
	unsigned int	cmd;
} fd_ioctl_trans_table[] = {
	{ FDSETPRM32, FDSETPRM },
	{ FDDEFPRM32, FDDEFPRM },
	{ FDGETPRM32, FDGETPRM },
	{ FDSETDRVPRM32, FDSETDRVPRM },
	{ FDGETDRVPRM32, FDGETDRVPRM },
	{ FDGETDRVSTAT32, FDGETDRVSTAT },
	{ FDPOLLDRVSTAT32, FDPOLLDRVSTAT },
	{ FDGETFDCSTAT32, FDGETFDCSTAT },
	{ FDWERRORGET32, FDWERRORGET }
};

#define NR_FD_IOCTL_TRANS (sizeof(fd_ioctl_trans_table)/sizeof(fd_ioctl_trans_table[0]))

static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	void *karg = NULL;
	unsigned int kcmd = 0;
	int i, err;

	for (i = 0; i < NR_FD_IOCTL_TRANS; i++)
		if (cmd == fd_ioctl_trans_table[i].cmd32) {
			kcmd = fd_ioctl_trans_table[i].cmd;
			break;
		}
	if (!kcmd)
		return -EINVAL;

	switch (cmd) {
		case FDSETPRM32:
		case FDDEFPRM32:
		case FDGETPRM32:
		{
			compat_uptr_t name;
			struct floppy_struct32 __user *uf;
			struct floppy_struct *f;

			uf = compat_ptr(arg);
			f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL);
			if (!karg)
				return -ENOMEM;
			if (cmd == FDGETPRM32)
				break;
			err = __get_user(f->size, &uf->size);
			err |= __get_user(f->sect, &uf->sect);
			err |= __get_user(f->head, &uf->head);
			err |= __get_user(f->track, &uf->track);
			err |= __get_user(f->stretch, &uf->stretch);
			err |= __get_user(f->gap, &uf->gap);
			err |= __get_user(f->rate, &uf->rate);
			err |= __get_user(f->spec1, &uf->spec1);
			err |= __get_user(f->fmt_gap, &uf->fmt_gap);
			err |= __get_user(name, &uf->name);
			f->name = compat_ptr(name);
			if (err) {
				err = -EFAULT;
				goto out;
			}
			break;
		}
		case FDSETDRVPRM32:
		case FDGETDRVPRM32:
		{
			struct floppy_drive_params32 __user *uf;
			struct floppy_drive_params *f;

			uf = compat_ptr(arg);
			f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL);
			if (!karg)
				return -ENOMEM;
			if (cmd == FDGETDRVPRM32)
				break;
			err = __get_user(f->cmos, &uf->cmos);
			err |= __get_user(f->max_dtr, &uf->max_dtr);
			err |= __get_user(f->hlt, &uf->hlt);
			err |= __get_user(f->hut, &uf->hut);
			err |= __get_user(f->srt, &uf->srt);
			err |= __get_user(f->spinup, &uf->spinup);
			err |= __get_user(f->spindown, &uf->spindown);
			err |= __get_user(f->spindown_offset, &uf->spindown_offset);
			err |= __get_user(f->select_delay, &uf->select_delay);
			err |= __get_user(f->rps, &uf->rps);
			err |= __get_user(f->tracks, &uf->tracks);
			err |= __get_user(f->timeout, &uf->timeout);
			err |= __get_user(f->interleave_sect, &uf->interleave_sect);
			err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors));
			err |= __get_user(f->flags, &uf->flags);
			err |= __get_user(f->read_track, &uf->read_track);
			err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect));
			err |= __get_user(f->checkfreq, &uf->checkfreq);
			err |= __get_user(f->native_format, &uf->native_format);
			if (err) {
				err = -EFAULT;
				goto out;
			}
			break;
		}
		case FDGETDRVSTAT32:
		case FDPOLLDRVSTAT32:
			karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL);
			if (!karg)
				return -ENOMEM;
			break;
		case FDGETFDCSTAT32:
			karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL);
			if (!karg)
				return -ENOMEM;
			break;
		case FDWERRORGET32:
			karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL);
			if (!karg)
				return -ENOMEM;
			break;
		default:
			return -EINVAL;
	}
	set_fs (KERNEL_DS);
	err = sys_ioctl (fd, kcmd, (unsigned long)karg);
	set_fs (old_fs);
	if (err)
		goto out;
	switch (cmd) {
		case FDGETPRM32:
		{
			struct floppy_struct *f = karg;
			struct floppy_struct32 __user *uf = compat_ptr(arg);

			err = __put_user(f->size, &uf->size);
			err |= __put_user(f->sect, &uf->sect);
			err |= __put_user(f->head, &uf->head);
			err |= __put_user(f->track, &uf->track);
			err |= __put_user(f->stretch, &uf->stretch);
			err |= __put_user(f->gap, &uf->gap);
			err |= __put_user(f->rate, &uf->rate);
			err |= __put_user(f->spec1, &uf->spec1);
			err |= __put_user(f->fmt_gap, &uf->fmt_gap);
			err |= __put_user((u64)f->name, (compat_caddr_t __user *)&uf->name);
			break;
		}
		case FDGETDRVPRM32:
		{
			struct floppy_drive_params32 __user *uf;
			struct floppy_drive_params *f = karg;

			uf = compat_ptr(arg);
			err = __put_user(f->cmos, &uf->cmos);
			err |= __put_user(f->max_dtr, &uf->max_dtr);
			err |= __put_user(f->hlt, &uf->hlt);
			err |= __put_user(f->hut, &uf->hut);
			err |= __put_user(f->srt, &uf->srt);
			err |= __put_user(f->spinup, &uf->spinup);
			err |= __put_user(f->spindown, &uf->spindown);
			err |= __put_user(f->spindown_offset, &uf->spindown_offset);
			err |= __put_user(f->select_delay, &uf->select_delay);
			err |= __put_user(f->rps, &uf->rps);
			err |= __put_user(f->tracks, &uf->tracks);
			err |= __put_user(f->timeout, &uf->timeout);
			err |= __put_user(f->interleave_sect, &uf->interleave_sect);
			err |= __copy_to_user(&uf->max_errors, &f->max_errors, sizeof(f->max_errors));
			err |= __put_user(f->flags, &uf->flags);
			err |= __put_user(f->read_track, &uf->read_track);
			err |= __copy_to_user(uf->autodetect, f->autodetect, sizeof(f->autodetect));
			err |= __put_user(f->checkfreq, &uf->checkfreq);
			err |= __put_user(f->native_format, &uf->native_format);
			break;
		}
		case FDGETDRVSTAT32:
		case FDPOLLDRVSTAT32:
		{
			struct floppy_drive_struct32 __user *uf;
			struct floppy_drive_struct *f = karg;

			uf = compat_ptr(arg);
			err = __put_user(f->flags, &uf->flags);
			err |= __put_user(f->spinup_date, &uf->spinup_date);
			err |= __put_user(f->select_date, &uf->select_date);
			err |= __put_user(f->first_read_date, &uf->first_read_date);
			err |= __put_user(f->probed_format, &uf->probed_format);
			err |= __put_user(f->track, &uf->track);
			err |= __put_user(f->maxblock, &uf->maxblock);
			err |= __put_user(f->maxtrack, &uf->maxtrack);
			err |= __put_user(f->generation, &uf->generation);
			err |= __put_user(f->keep_data, &uf->keep_data);
			err |= __put_user(f->fd_ref, &uf->fd_ref);
			err |= __put_user(f->fd_device, &uf->fd_device);
			err |= __put_user(f->last_checked, &uf->last_checked);
			err |= __put_user((u64)f->dmabuf, &uf->dmabuf);
			err |= __put_user((u64)f->bufblocks, &uf->bufblocks);
			break;
		}
		case FDGETFDCSTAT32:
		{
			struct floppy_fdc_state32 __user *uf;
			struct floppy_fdc_state *f = karg;

			uf = compat_ptr(arg);
			err = __put_user(f->spec1, &uf->spec1);
			err |= __put_user(f->spec2, &uf->spec2);
			err |= __put_user(f->dtr, &uf->dtr);
			err |= __put_user(f->version, &uf->version);
			err |= __put_user(f->dor, &uf->dor);
			err |= __put_user(f->address, &uf->address);
			err |= __copy_to_user((char __user *)&uf->address + sizeof(uf->address),
					   (char *)&f->address + sizeof(f->address), sizeof(int));
			err |= __put_user(f->driver_version, &uf->driver_version);
			err |= __copy_to_user(uf->track, f->track, sizeof(f->track));
			break;
		}
		case FDWERRORGET32:
		{
			struct floppy_write_errors32 __user *uf;
			struct floppy_write_errors *f = karg;

			uf = compat_ptr(arg);
			err = __put_user(f->write_errors, &uf->write_errors);
			err |= __put_user(f->first_error_sector, &uf->first_error_sector);
			err |= __put_user(f->first_error_generation, &uf->first_error_generation);
			err |= __put_user(f->last_error_sector, &uf->last_error_sector);
			err |= __put_user(f->last_error_generation, &uf->last_error_generation);
			err |= __put_user(f->badness, &uf->badness);
			break;
		}
		default:
			break;
	}
	if (err)
		err = -EFAULT;

out:
	kfree(karg);
	return err;
}

struct mtd_oob_buf32 {
	u_int32_t start;
	u_int32_t length;
	compat_caddr_t ptr;	/* unsigned char* */
};

#define MEMWRITEOOB32 	_IOWR('M',3,struct mtd_oob_buf32)
#define MEMREADOOB32 	_IOWR('M',4,struct mtd_oob_buf32)

static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct mtd_oob_buf __user *buf = compat_alloc_user_space(sizeof(*buf));
	struct mtd_oob_buf32 __user *buf32 = compat_ptr(arg);
	u32 data;
	char __user *datap;
	unsigned int real_cmd;
	int err;

	real_cmd = (cmd == MEMREADOOB32) ?
		MEMREADOOB : MEMWRITEOOB;

	if (copy_in_user(&buf->start, &buf32->start,
			 2 * sizeof(u32)) ||
	    get_user(data, &buf32->ptr))
		return -EFAULT;
	datap = compat_ptr(data);
	if (put_user(datap, &buf->ptr))
		return -EFAULT;

	err = sys_ioctl(fd, real_cmd, (unsigned long) buf);

	if (!err) {
		if (copy_in_user(&buf32->start, &buf->start,
				 2 * sizeof(u32)))
			err = -EFAULT;
	}

	return err;
}	

#define	VFAT_IOCTL_READDIR_BOTH32	_IOR('r', 1, struct compat_dirent[2])
#define	VFAT_IOCTL_READDIR_SHORT32	_IOR('r', 2, struct compat_dirent[2])

static long
put_dirent32 (struct dirent *d, struct compat_dirent __user *d32)
{
        if (!access_ok(VERIFY_WRITE, d32, sizeof(struct compat_dirent)))
                return -EFAULT;

        __put_user(d->d_ino, &d32->d_ino);
        __put_user(d->d_off, &d32->d_off);
        __put_user(d->d_reclen, &d32->d_reclen);
        if (__copy_to_user(d32->d_name, d->d_name, d->d_reclen))
		return -EFAULT;

        return 0;
}

static int vfat_ioctl32(unsigned fd, unsigned cmd, unsigned long arg)
{
	struct compat_dirent __user *p = compat_ptr(arg);
	int ret;
	mm_segment_t oldfs = get_fs();
	struct dirent d[2];

	switch(cmd)
	{
        	case VFAT_IOCTL_READDIR_BOTH32:
                	cmd = VFAT_IOCTL_READDIR_BOTH;
                	break;
        	case VFAT_IOCTL_READDIR_SHORT32:
                	cmd = VFAT_IOCTL_READDIR_SHORT;
                	break;
	}

	set_fs(KERNEL_DS);
	ret = sys_ioctl(fd,cmd,(unsigned long)&d);
	set_fs(oldfs);
	if (ret >= 0) {
		ret |= put_dirent32(&d[0], p);
		ret |= put_dirent32(&d[1], p + 1);
	}
	return ret;
}

#define REISERFS_IOC_UNPACK32               _IOW(0xCD,1,int)

static int reiserfs_ioctl32(unsigned fd, unsigned cmd, unsigned long ptr)
{
        if (cmd == REISERFS_IOC_UNPACK32)
                cmd = REISERFS_IOC_UNPACK;

        return sys_ioctl(fd,cmd,ptr);
}

struct raw32_config_request
{
        compat_int_t    raw_minor;
        __u64   block_major;
        __u64   block_minor;
} __attribute__((packed));

static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
{
        int ret;

        if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
                return -EFAULT;

        ret = __get_user(req->raw_minor, &user_req->raw_minor);
        ret |= __get_user(req->block_major, &user_req->block_major);
        ret |= __get_user(req->block_minor, &user_req->block_minor);

        return ret ? -EFAULT : 0;
}

static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
{
	int ret;

        if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
                return -EFAULT;

        ret = __put_user(req->raw_minor, &user_req->raw_minor);
        ret |= __put_user(req->block_major, &user_req->block_major);
        ret |= __put_user(req->block_minor, &user_req->block_minor);

        return ret ? -EFAULT : 0;
}

static int raw_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
{
        int ret;

        switch (cmd) {
        case RAW_SETBIND:
        case RAW_GETBIND: {
                struct raw_config_request req;
                struct raw32_config_request __user *user_req = compat_ptr(arg);
                mm_segment_t oldfs = get_fs();

                if ((ret = get_raw32_request(&req, user_req)))
                        return ret;

                set_fs(KERNEL_DS);
                ret = sys_ioctl(fd,cmd,(unsigned long)&req);
                set_fs(oldfs);

                if ((!ret) && (cmd == RAW_GETBIND)) {
                        ret = set_raw32_request(&req, user_req);
                }
                break;
        }
        default:
                ret = sys_ioctl(fd, cmd, arg);
                break;
        }
        return ret;
}

struct serial_struct32 {
        compat_int_t    type;
        compat_int_t    line;
        compat_uint_t   port;
        compat_int_t    irq;
        compat_int_t    flags;
        compat_int_t    xmit_fifo_size;
        compat_int_t    custom_divisor;
        compat_int_t    baud_base;
        unsigned short  close_delay;
        char    io_type;
        char    reserved_char[1];
        compat_int_t    hub6;
        unsigned short  closing_wait; /* time to wait before closing */
        unsigned short  closing_wait2; /* no longer used... */
        compat_uint_t   iomem_base;
        unsigned short  iomem_reg_shift;
        unsigned int    port_high;
     /* compat_ulong_t  iomap_base FIXME */
        compat_int_t    reserved[1];
};

static int serial_struct_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
{
        typedef struct serial_struct SS;
        typedef struct serial_struct32 SS32;
        struct serial_struct32 __user *ss32 = compat_ptr(arg);
        int err;
        struct serial_struct ss;
        mm_segment_t oldseg = get_fs();
        __u32 udata;

        if (cmd == TIOCSSERIAL) {
                if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
                        return -EFAULT;
                if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
			return -EFAULT;
                __get_user(udata, &ss32->iomem_base);
                ss.iomem_base = compat_ptr(udata);
                __get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
                __get_user(ss.port_high, &ss32->port_high);
                ss.iomap_base = 0UL;
        }
        set_fs(KERNEL_DS);
                err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
        set_fs(oldseg);
        if (cmd == TIOCGSERIAL && err >= 0) {
                if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
                        return -EFAULT;
                if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
			return -EFAULT;
                __put_user((unsigned long)ss.iomem_base  >> 32 ?
                            0xffffffff : (unsigned)(unsigned long)ss.iomem_base,
                            &ss32->iomem_base);
                __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
                __put_user(ss.port_high, &ss32->port_high);

        }
        return err;
}

struct usbdevfs_ctrltransfer32 {
        u8 bRequestType;
        u8 bRequest;
        u16 wValue;
        u16 wIndex;
        u16 wLength;
        u32 timeout;  /* in milliseconds */
        compat_caddr_t data;
};

#define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)

static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long arg)
{
        struct usbdevfs_ctrltransfer32 __user *p32 = compat_ptr(arg);
        struct usbdevfs_ctrltransfer __user *p;
        __u32 udata;
        p = compat_alloc_user_space(sizeof(*p));
        if (copy_in_user(p, p32, (sizeof(*p32) - sizeof(compat_caddr_t))) ||
            get_user(udata, &p32->data) ||
	    put_user(compat_ptr(udata), &p->data))
		return -EFAULT;
        return sys_ioctl(fd, USBDEVFS_CONTROL, (unsigned long)p);
}


struct usbdevfs_bulktransfer32 {
        compat_uint_t ep;
        compat_uint_t len;
        compat_uint_t timeout; /* in milliseconds */
        compat_caddr_t data;
};

#define USBDEVFS_BULK32              _IOWR('U', 2, struct usbdevfs_bulktransfer32)

static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg)
{
        struct usbdevfs_bulktransfer32 __user *p32 = compat_ptr(arg);
        struct usbdevfs_bulktransfer __user *p;
        compat_uint_t n;
        compat_caddr_t addr;

        p = compat_alloc_user_space(sizeof(*p));

        if (get_user(n, &p32->ep) || put_user(n, &p->ep) ||
            get_user(n, &p32->len) || put_user(n, &p->len) ||
            get_user(n, &p32->timeout) || put_user(n, &p->timeout) ||
            get_user(addr, &p32->data) || put_user(compat_ptr(addr), &p->data))
                return -EFAULT;

        return sys_ioctl(fd, USBDEVFS_BULK, (unsigned long)p);
}


/*
 *  USBDEVFS_SUBMITURB, USBDEVFS_REAPURB and USBDEVFS_REAPURBNDELAY
 *  are handled in usbdevfs core.			-Christopher Li
 */

struct usbdevfs_disconnectsignal32 {
        compat_int_t signr;
        compat_caddr_t context;
};

#define USBDEVFS_DISCSIGNAL32      _IOR('U', 14, struct usbdevfs_disconnectsignal32)

static int do_usbdevfs_discsignal(unsigned int fd, unsigned int cmd, unsigned long arg)
{
        struct usbdevfs_disconnectsignal kdis;
        struct usbdevfs_disconnectsignal32 __user *udis;
        mm_segment_t old_fs;
        u32 uctx;
        int err;

        udis = compat_ptr(arg);

        if (get_user(kdis.signr, &udis->signr) ||
            __get_user(uctx, &udis->context))
                return -EFAULT;

        kdis.context = compat_ptr(uctx);

        old_fs = get_fs();
        set_fs(KERNEL_DS);
        err = sys_ioctl(fd, USBDEVFS_DISCSIGNAL, (unsigned long) &kdis);
        set_fs(old_fs);

        return err;
}

/*
 * I2C layer ioctls
 */

struct i2c_msg32 {
	u16 addr;
	u16 flags;
	u16 len;
	compat_caddr_t buf;
};

struct i2c_rdwr_ioctl_data32 {
	compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
	u32 nmsgs;
};

struct i2c_smbus_ioctl_data32 {
	u8 read_write;
	u8 command;
	u32 size;
	compat_caddr_t data; /* union i2c_smbus_data *data */
};

struct i2c_rdwr_aligned {
	struct i2c_rdwr_ioctl_data cmd;
	struct i2c_msg msgs[0];
};

static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct i2c_rdwr_ioctl_data32	__user *udata = compat_ptr(arg);
	struct i2c_rdwr_aligned		__user *tdata;
	struct i2c_msg			__user *tmsgs;
	struct i2c_msg32		__user *umsgs;
	compat_caddr_t			datap;
	int				nmsgs, i;

	if (get_user(nmsgs, &udata->nmsgs))
		return -EFAULT;
	if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
		return -EINVAL;

	if (get_user(datap, &udata->msgs))
		return -EFAULT;
	umsgs = compat_ptr(datap);

	tdata = compat_alloc_user_space(sizeof(*tdata) +
				      nmsgs * sizeof(struct i2c_msg));
	tmsgs = &tdata->msgs[0];

	if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
	    put_user(tmsgs, &tdata->cmd.msgs))
		return -EFAULT;

	for (i = 0; i < nmsgs; i++) {
		if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
			return -EFAULT;
		if (get_user(datap, &umsgs[i].buf) ||
		    put_user(compat_ptr(datap), &tmsgs[i].buf))
			return -EFAULT;
	}
	return sys_ioctl(fd, cmd, (unsigned long)tdata);
}

static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct i2c_smbus_ioctl_data	__user *tdata;
	struct i2c_smbus_ioctl_data32	__user *udata;
	compat_caddr_t			datap;

	tdata = compat_alloc_user_space(sizeof(*tdata));
	if (tdata == NULL)
		return -ENOMEM;
	if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
		return -EFAULT;

	udata = compat_ptr(arg);
	if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
		return -EFAULT;

	if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
		return -EFAULT;
	if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
		return -EFAULT;
	if (__get_user(datap, &udata->data) ||
	    __put_user(compat_ptr(datap), &tdata->data))
		return -EFAULT;

	return sys_ioctl(fd, cmd, (unsigned long)tdata);
}

struct compat_iw_point {
	compat_caddr_t pointer;
	__u16 length;
	__u16 flags;
};

static int do_wireless_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct iwreq __user *iwr;
	struct iwreq __user *iwr_u;
	struct iw_point __user *iwp;
	struct compat_iw_point __user *iwp_u;
	compat_caddr_t pointer;
	__u16 length, flags;

	iwr_u = compat_ptr(arg);
	iwp_u = (struct compat_iw_point __user *) &iwr_u->u.data;
	iwr = compat_alloc_user_space(sizeof(*iwr));
	if (iwr == NULL)
		return -ENOMEM;

	iwp = &iwr->u.data;

	if (!access_ok(VERIFY_WRITE, iwr, sizeof(*iwr)))
		return -EFAULT;

	if (__copy_in_user(&iwr->ifr_ifrn.ifrn_name[0],
			   &iwr_u->ifr_ifrn.ifrn_name[0],
			   sizeof(iwr->ifr_ifrn.ifrn_name)))
		return -EFAULT;

	if (__get_user(pointer, &iwp_u->pointer) ||
	    __get_user(length, &iwp_u->length) ||
	    __get_user(flags, &iwp_u->flags))
		return -EFAULT;

	if (__put_user(compat_ptr(pointer), &iwp->pointer) ||
	    __put_user(length, &iwp->length) ||
	    __put_user(flags, &iwp->flags))
		return -EFAULT;

	return sys_ioctl(fd, cmd, (unsigned long) iwr);
}

/* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
 * for some operations; this forces use of the newer bridge-utils that
 * use compatiable ioctls
 */
static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	u32 tmp;

	if (get_user(tmp, (u32 __user *) arg))
		return -EFAULT;
	if (tmp == BRCTL_GET_VERSION)
		return BRCTL_VERSION + 1;
	return -EINVAL;
}

#define RTC_IRQP_READ32		_IOR('p', 0x0b, compat_ulong_t)
#define RTC_IRQP_SET32		_IOW('p', 0x0c, compat_ulong_t)
#define RTC_EPOCH_READ32	_IOR('p', 0x0d, compat_ulong_t)
#define RTC_EPOCH_SET32		_IOW('p', 0x0e, compat_ulong_t)

static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
{
	mm_segment_t oldfs = get_fs();
	compat_ulong_t val32;
	unsigned long kval;
	int ret;

	switch (cmd) {
	case RTC_IRQP_READ32:
	case RTC_EPOCH_READ32:
		set_fs(KERNEL_DS);
		ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
					RTC_IRQP_READ : RTC_EPOCH_READ,
					(unsigned long)&kval);
		set_fs(oldfs);
		if (ret)
			return ret;
		val32 = kval;
		return put_user(val32, (unsigned int __user *)arg);
	case RTC_IRQP_SET32:
	case RTC_EPOCH_SET32:
		ret = get_user(val32, (unsigned int __user *)arg);
		if (ret)
			return ret;
		kval = val32;

		set_fs(KERNEL_DS);
		ret = sys_ioctl(fd, (cmd == RTC_IRQP_SET32) ?
				RTC_IRQP_SET : RTC_EPOCH_SET,
				(unsigned long)&kval);
		set_fs(oldfs);
		return ret;
	default:
		/* unreached */
		return -ENOIOCTLCMD;
	}
}

#if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
struct ncp_ioctl_request_32 {
	u32 function;
	u32 size;
	compat_caddr_t data;
};

struct ncp_fs_info_v2_32 {
	s32 version;
	u32 mounted_uid;
	u32 connection;
	u32 buffer_size;

	u32 volume_number;
	u32 directory_id;

	u32 dummy1;
	u32 dummy2;
	u32 dummy3;
};

struct ncp_objectname_ioctl_32
{
	s32		auth_type;
	u32		object_name_len;
	compat_caddr_t	object_name;	/* an userspace data, in most cases user name */
};

struct ncp_privatedata_ioctl_32
{
	u32		len;
	compat_caddr_t	data;		/* ~1000 for NDS */
};

#define	NCP_IOC_NCPREQUEST_32		_IOR('n', 1, struct ncp_ioctl_request_32)
#define NCP_IOC_GETMOUNTUID2_32		_IOW('n', 2, u32)
#define NCP_IOC_GET_FS_INFO_V2_32	_IOWR('n', 4, struct ncp_fs_info_v2_32)
#define NCP_IOC_GETOBJECTNAME_32	_IOWR('n', 9, struct ncp_objectname_ioctl_32)
#define NCP_IOC_SETOBJECTNAME_32	_IOR('n', 9, struct ncp_objectname_ioctl_32)
#define NCP_IOC_GETPRIVATEDATA_32	_IOWR('n', 10, struct ncp_privatedata_ioctl_32)
#define NCP_IOC_SETPRIVATEDATA_32	_IOR('n', 10, struct ncp_privatedata_ioctl_32)

static int do_ncp_ncprequest(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ncp_ioctl_request_32 n32;
	struct ncp_ioctl_request __user *p = compat_alloc_user_space(sizeof(*p));

	if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)) ||
	    put_user(n32.function, &p->function) ||
	    put_user(n32.size, &p->size) ||
	    put_user(compat_ptr(n32.data), &p->data))
		return -EFAULT;

	return sys_ioctl(fd, NCP_IOC_NCPREQUEST, (unsigned long)p);
}

static int do_ncp_getmountuid2(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	__kernel_uid_t kuid;
	int err;

	cmd = NCP_IOC_GETMOUNTUID2;

	set_fs(KERNEL_DS);
	err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
	set_fs(old_fs);

	if (!err)
		err = put_user(kuid,
			       (unsigned int __user *) compat_ptr(arg));

	return err;
}

static int do_ncp_getfsinfo2(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	struct ncp_fs_info_v2_32 n32;
	struct ncp_fs_info_v2 n;
	int err;

	if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)))
		return -EFAULT;
	if (n32.version != NCP_GET_FS_INFO_VERSION_V2)
		return -EINVAL;
	n.version = NCP_GET_FS_INFO_VERSION_V2;

	set_fs(KERNEL_DS);
	err = sys_ioctl(fd, NCP_IOC_GET_FS_INFO_V2, (unsigned long)&n);
	set_fs(old_fs);

	if (!err) {
		n32.version = n.version;
		n32.mounted_uid = n.mounted_uid;
		n32.connection = n.connection;
		n32.buffer_size = n.buffer_size;
		n32.volume_number = n.volume_number;
		n32.directory_id = n.directory_id;
		n32.dummy1 = n.dummy1;
		n32.dummy2 = n.dummy2;
		n32.dummy3 = n.dummy3;
		err = copy_to_user(compat_ptr(arg), &n32, sizeof(n32)) ? -EFAULT : 0;
	}
	return err;
}

static int do_ncp_getobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
	struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));
	s32 auth_type;
	u32 name_len;
	int err;

	if (copy_from_user(&n32, p32, sizeof(n32)) ||
	    put_user(n32.object_name_len, &p->object_name_len) ||
	    put_user(compat_ptr(n32.object_name), &p->object_name))
		return -EFAULT;

	err = sys_ioctl(fd, NCP_IOC_GETOBJECTNAME, (unsigned long)p);
        if (err)
		return err;

	if (get_user(auth_type, &p->auth_type) ||
	    put_user(auth_type, &p32->auth_type) ||
	    get_user(name_len, &p->object_name_len) ||
	    put_user(name_len, &p32->object_name_len))
		return -EFAULT;

	return 0;
}

static int do_ncp_setobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
	struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));

	if (copy_from_user(&n32, p32, sizeof(n32)) ||
	    put_user(n32.auth_type, &p->auth_type) ||
	    put_user(n32.object_name_len, &p->object_name_len) ||
	    put_user(compat_ptr(n32.object_name), &p->object_name))
		return -EFAULT;

	return sys_ioctl(fd, NCP_IOC_SETOBJECTNAME, (unsigned long)p);
}

static int do_ncp_getprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ncp_privatedata_ioctl_32 n32, __user *p32 = compat_ptr(arg);
	struct ncp_privatedata_ioctl __user *p =
		compat_alloc_user_space(sizeof(*p));
	u32 len;
	int err;

	if (copy_from_user(&n32, p32, sizeof(n32)) ||
	    put_user(n32.len, &p->len) ||
	    put_user(compat_ptr(n32.data), &p->data))
		return -EFAULT;

	err = sys_ioctl(fd, NCP_IOC_GETPRIVATEDATA, (unsigned long)p);
        if (err)
		return err;

	if (get_user(len, &p->len) ||
	    put_user(len, &p32->len))
		return -EFAULT;

	return 0;
}

static int do_ncp_setprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct ncp_privatedata_ioctl_32 n32;
	struct ncp_privatedata_ioctl_32 __user *p32 = compat_ptr(arg);
	struct ncp_privatedata_ioctl __user *p =
		compat_alloc_user_space(sizeof(*p));

	if (copy_from_user(&n32, p32, sizeof(n32)) ||
	    put_user(n32.len, &p->len) ||
	    put_user(compat_ptr(n32.data), &p->data))
		return -EFAULT;

	return sys_ioctl(fd, NCP_IOC_SETPRIVATEDATA, (unsigned long)p);
}
#endif

#define HANDLE_IOCTL(cmd,handler) \
	{ (cmd), (ioctl_trans_handler_t)(handler) },

/* pointer to compatible structure or no argument */
#define COMPATIBLE_IOCTL(cmd) \
	{ (cmd), do_ioctl32_pointer },

/* argument is an unsigned long integer, not a pointer */
#define ULONG_IOCTL(cmd) \
	{ (cmd), (ioctl_trans_handler_t)sys_ioctl },


struct ioctl_trans ioctl_start[] = {
#include <linux/compat_ioctl.h>
HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob)
HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob)
#ifdef CONFIG_NET
HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)

/* ioctls used by appletalk ddp.c */
HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
HANDLE_IOCTL(SIOCDARP, dev_ifsioc)

HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
/* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
HANDLE_IOCTL(SIOCRTMSG, ret_einval)
HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
#endif
HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo)
HANDLE_IOCTL(BLKRAGET, w_long)
HANDLE_IOCTL(BLKGETSIZE, w_long)
HANDLE_IOCTL(0x1260, broken_blkgetsize)
HANDLE_IOCTL(BLKFRAGET, w_long)
HANDLE_IOCTL(BLKSECTGET, w_long)
HANDLE_IOCTL(BLKPG, blkpg_ioctl_trans)
HANDLE_IOCTL(HDIO_GET_KEEPSETTINGS, hdio_ioctl_trans)
HANDLE_IOCTL(HDIO_GET_UNMASKINTR, hdio_ioctl_trans)
HANDLE_IOCTL(HDIO_GET_DMA, hdio_ioctl_trans)
HANDLE_IOCTL(HDIO_GET_32BIT, hdio_ioctl_trans)
HANDLE_IOCTL(HDIO_GET_MULTCOUNT, hdio_ioctl_trans)
HANDLE_IOCTL(HDIO_GET_NOWERR, hdio_ioctl_trans)
HANDLE_IOCTL(HDIO_GET_NICE, hdio_ioctl_trans)
HANDLE_IOCTL(FDSETPRM32, fd_ioctl_trans)
HANDLE_IOCTL(FDDEFPRM32, fd_ioctl_trans)
HANDLE_IOCTL(FDGETPRM32, fd_ioctl_trans)
HANDLE_IOCTL(FDSETDRVPRM32, fd_ioctl_trans)
HANDLE_IOCTL(FDGETDRVPRM32, fd_ioctl_trans)
HANDLE_IOCTL(FDGETDRVSTAT32, fd_ioctl_trans)
HANDLE_IOCTL(FDPOLLDRVSTAT32, fd_ioctl_trans)
HANDLE_IOCTL(FDGETFDCSTAT32, fd_ioctl_trans)
HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans)
HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans)
HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans)
HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans)
HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans)
HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans)
HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans)
HANDLE_IOCTL(CDROMREADAUDIO, cdrom_ioctl_trans)
HANDLE_IOCTL(CDROM_SEND_PACKET, cdrom_ioctl_trans)
HANDLE_IOCTL(LOOP_SET_STATUS, loop_status)
HANDLE_IOCTL(LOOP_GET_STATUS, loop_status)
#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout)
#ifdef CONFIG_VT
HANDLE_IOCTL(PIO_FONTX, do_fontx_ioctl)
HANDLE_IOCTL(GIO_FONTX, do_fontx_ioctl)
HANDLE_IOCTL(PIO_UNIMAP, do_unimap_ioctl)
HANDLE_IOCTL(GIO_UNIMAP, do_unimap_ioctl)
HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
#endif
HANDLE_IOCTL(EXT2_IOC32_GETFLAGS, do_ext2_ioctl)
HANDLE_IOCTL(EXT2_IOC32_SETFLAGS, do_ext2_ioctl)
HANDLE_IOCTL(EXT2_IOC32_GETVERSION, do_ext2_ioctl)
HANDLE_IOCTL(EXT2_IOC32_SETVERSION, do_ext2_ioctl)
HANDLE_IOCTL(EXT3_IOC32_GETVERSION, do_ext3_ioctl)
HANDLE_IOCTL(EXT3_IOC32_SETVERSION, do_ext3_ioctl)
HANDLE_IOCTL(EXT3_IOC32_GETRSVSZ, do_ext3_ioctl)
HANDLE_IOCTL(EXT3_IOC32_SETRSVSZ, do_ext3_ioctl)
HANDLE_IOCTL(EXT3_IOC32_GROUP_EXTEND, do_ext3_ioctl)
COMPATIBLE_IOCTL(EXT3_IOC_GROUP_ADD)
#ifdef CONFIG_JBD_DEBUG
HANDLE_IOCTL(EXT3_IOC32_WAIT_FOR_READONLY, do_ext3_ioctl)
#endif
/* One SMB ioctl needs translations. */
#define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)
HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
/* block stuff */
HANDLE_IOCTL(BLKBSZGET_32, do_blkbszget)
HANDLE_IOCTL(BLKBSZSET_32, do_blkbszset)
HANDLE_IOCTL(BLKGETSIZE64_32, do_blkgetsize64)
/* vfat */
HANDLE_IOCTL(VFAT_IOCTL_READDIR_BOTH32, vfat_ioctl32)
HANDLE_IOCTL(VFAT_IOCTL_READDIR_SHORT32, vfat_ioctl32)
HANDLE_IOCTL(REISERFS_IOC_UNPACK32, reiserfs_ioctl32)
/* Raw devices */
HANDLE_IOCTL(RAW_SETBIND, raw_ioctl)
HANDLE_IOCTL(RAW_GETBIND, raw_ioctl)
/* Serial */
HANDLE_IOCTL(TIOCGSERIAL, serial_struct_ioctl)
HANDLE_IOCTL(TIOCSSERIAL, serial_struct_ioctl)
#ifdef TIOCGLTC
COMPATIBLE_IOCTL(TIOCGLTC)
COMPATIBLE_IOCTL(TIOCSLTC)
#endif
#ifdef TIOCSTART
/*
 * For these two we have defintions in ioctls.h and/or termios.h on
 * some architectures but no actual implemention.  Some applications
 * like bash call them if they are defined in the headers, so we provide
 * entries here to avoid syslog message spew.
 */
COMPATIBLE_IOCTL(TIOCSTART)
COMPATIBLE_IOCTL(TIOCSTOP)
#endif
/* Usbdevfs */
HANDLE_IOCTL(USBDEVFS_CONTROL32, do_usbdevfs_control)
HANDLE_IOCTL(USBDEVFS_BULK32, do_usbdevfs_bulk)
HANDLE_IOCTL(USBDEVFS_DISCSIGNAL32, do_usbdevfs_discsignal)
COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
/* i2c */
HANDLE_IOCTL(I2C_FUNCS, w_long)
HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
/* wireless */
HANDLE_IOCTL(SIOCGIWRANGE, do_wireless_ioctl)
HANDLE_IOCTL(SIOCSIWSPY, do_wireless_ioctl)
HANDLE_IOCTL(SIOCGIWSPY, do_wireless_ioctl)
HANDLE_IOCTL(SIOCSIWTHRSPY, do_wireless_ioctl)
HANDLE_IOCTL(SIOCGIWTHRSPY, do_wireless_ioctl)
HANDLE_IOCTL(SIOCGIWAPLIST, do_wireless_ioctl)
HANDLE_IOCTL(SIOCGIWSCAN, do_wireless_ioctl)
HANDLE_IOCTL(SIOCSIWESSID, do_wireless_ioctl)
HANDLE_IOCTL(SIOCGIWESSID, do_wireless_ioctl)
HANDLE_IOCTL(SIOCSIWNICKN, do_wireless_ioctl)
HANDLE_IOCTL(SIOCGIWNICKN, do_wireless_ioctl)
HANDLE_IOCTL(SIOCSIWENCODE, do_wireless_ioctl)
HANDLE_IOCTL(SIOCGIWENCODE, do_wireless_ioctl)
HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
HANDLE_IOCTL(RTC_EPOCH_SET32, rtc_ioctl)

#if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
HANDLE_IOCTL(NCP_IOC_NCPREQUEST_32, do_ncp_ncprequest)
HANDLE_IOCTL(NCP_IOC_GETMOUNTUID2_32, do_ncp_getmountuid2)
HANDLE_IOCTL(NCP_IOC_GET_FS_INFO_V2_32, do_ncp_getfsinfo2)
HANDLE_IOCTL(NCP_IOC_GETOBJECTNAME_32, do_ncp_getobjectname)
HANDLE_IOCTL(NCP_IOC_SETOBJECTNAME_32, do_ncp_setobjectname)
HANDLE_IOCTL(NCP_IOC_GETPRIVATEDATA_32, do_ncp_getprivatedata)
HANDLE_IOCTL(NCP_IOC_SETPRIVATEDATA_32, do_ncp_setprivatedata)
#endif

/* dvb */
HANDLE_IOCTL(DMX_GET_EVENT, do_dmx_get_event)
HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event)
HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture)
HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette)
};

int ioctl_table_size = ARRAY_SIZE(ioctl_start);
OpenPOWER on IntegriCloud