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ACPI: video: Use acpi_device's handle instead of driver's
[linux-2.6/verdex.git] / fs / compat_ioctl.c
blobd8d50a70c58d65064931f6b0b5a8f2fa1beaf1a0
1 /*
2 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
3 *
4 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
5 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
6 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs
7 * Copyright (C) 2003 Pavel Machek (pavel@suse.cz)
8 *
9 * These routines maintain argument size conversion between 32bit and 64bit
10 * ioctls.
11 */
12
13 #include <linux/config.h>
14 #include <linux/types.h>
15 #include <linux/compat.h>
16 #include <linux/kernel.h>
17 #include <linux/capability.h>
18 #include <linux/compiler.h>
19 #include <linux/sched.h>
20 #include <linux/smp.h>
21 #include <linux/smp_lock.h>
22 #include <linux/ioctl.h>
23 #include <linux/if.h>
24 #include <linux/if_bridge.h>
25 #include <linux/slab.h>
26 #include <linux/hdreg.h>
27 #include <linux/raid/md.h>
28 #include <linux/kd.h>
29 #include <linux/dirent.h>
30 #include <linux/route.h>
31 #include <linux/in6.h>
32 #include <linux/ipv6_route.h>
33 #include <linux/skbuff.h>
34 #include <linux/netlink.h>
35 #include <linux/vt.h>
36 #include <linux/fs.h>
37 #include <linux/file.h>
38 #include <linux/fd.h>
39 #include <linux/ppp_defs.h>
40 #include <linux/if_ppp.h>
41 #include <linux/if_pppox.h>
42 #include <linux/mtio.h>
43 #include <linux/cdrom.h>
44 #include <linux/loop.h>
45 #include <linux/auto_fs.h>
46 #include <linux/auto_fs4.h>
47 #include <linux/tty.h>
48 #include <linux/vt_kern.h>
49 #include <linux/fb.h>
50 #include <linux/ext2_fs.h>
51 #include <linux/ext3_jbd.h>
52 #include <linux/ext3_fs.h>
53 #include <linux/videodev.h>
54 #include <linux/netdevice.h>
55 #include <linux/raw.h>
56 #include <linux/smb_fs.h>
57 #include <linux/blkpg.h>
58 #include <linux/blkdev.h>
59 #include <linux/elevator.h>
60 #include <linux/rtc.h>
61 #include <linux/pci.h>
62 #include <linux/module.h>
63 #include <linux/serial.h>
64 #include <linux/reiserfs_fs.h>
65 #include <linux/if_tun.h>
66 #include <linux/ctype.h>
67 #include <linux/ioctl32.h>
68 #include <linux/syscalls.h>
69 #include <linux/ncp_fs.h>
70 #include <linux/i2c.h>
71 #include <linux/i2c-dev.h>
72 #include <linux/wireless.h>
73 #include <linux/atalk.h>
74 #include <linux/blktrace_api.h>
75
76 #include <net/sock.h> /* siocdevprivate_ioctl */
77 #include <net/bluetooth/bluetooth.h>
78 #include <net/bluetooth/hci.h>
79 #include <net/bluetooth/rfcomm.h>
80
81 #include <linux/capi.h>
82 #include <linux/gigaset_dev.h>
83
84 #include <scsi/scsi.h>
85 #include <scsi/scsi_ioctl.h>
86 #include <scsi/sg.h>
87
88 #include <asm/uaccess.h>
89 #include <linux/ethtool.h>
90 #include <linux/mii.h>
91 #include <linux/if_bonding.h>
92 #include <linux/watchdog.h>
93 #include <linux/dm-ioctl.h>
94
95 #include <linux/soundcard.h>
96 #include <linux/lp.h>
97 #include <linux/ppdev.h>
98
99 #include <linux/atm.h>
100 #include <linux/atmarp.h>
101 #include <linux/atmclip.h>
102 #include <linux/atmdev.h>
103 #include <linux/atmioc.h>
104 #include <linux/atmlec.h>
105 #include <linux/atmmpc.h>
106 #include <linux/atmsvc.h>
107 #include <linux/atm_tcp.h>
108 #include <linux/sonet.h>
109 #include <linux/atm_suni.h>
110 #include <linux/mtd/mtd.h>
111
112 #include <linux/usb.h>
113 #include <linux/usbdevice_fs.h>
114 #include <linux/nbd.h>
115 #include <linux/random.h>
116 #include <linux/filter.h>
117 #include <linux/msdos_fs.h>
118 #include <linux/pktcdvd.h>
119
120 #include <linux/hiddev.h>
121
122 #include <linux/dvb/audio.h>
123 #include <linux/dvb/dmx.h>
124 #include <linux/dvb/frontend.h>
125 #include <linux/dvb/video.h>
126 #include <linux/lp.h>
127
128 /* Aiee. Someone does not find a difference between int and long */
129 #define EXT2_IOC32_GETFLAGS _IOR('f', 1, int)
130 #define EXT2_IOC32_SETFLAGS _IOW('f', 2, int)
131 #define EXT3_IOC32_GETVERSION _IOR('f', 3, int)
132 #define EXT3_IOC32_SETVERSION _IOW('f', 4, int)
133 #define EXT3_IOC32_GETRSVSZ _IOR('f', 5, int)
134 #define EXT3_IOC32_SETRSVSZ _IOW('f', 6, int)
135 #define EXT3_IOC32_GROUP_EXTEND _IOW('f', 7, unsigned int)
136 #ifdef CONFIG_JBD_DEBUG
137 #define EXT3_IOC32_WAIT_FOR_READONLY _IOR('f', 99, int)
138 #endif
139
140 #define EXT2_IOC32_GETVERSION _IOR('v', 1, int)
141 #define EXT2_IOC32_SETVERSION _IOW('v', 2, int)
142
143 static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
144 unsigned long arg, struct file *f)
145 {
146 return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
147 }
148
149 static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg)
150 {
151 mm_segment_t old_fs = get_fs();
152 int err;
153 unsigned long val;
154
155 set_fs (KERNEL_DS);
156 err = sys_ioctl(fd, cmd, (unsigned long)&val);
157 set_fs (old_fs);
158 if (!err && put_user(val, (u32 __user *)compat_ptr(arg)))
159 return -EFAULT;
160 return err;
161 }
162
163 static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg)
164 {
165 mm_segment_t old_fs = get_fs();
166 u32 __user *argptr = compat_ptr(arg);
167 int err;
168 unsigned long val;
169
170 if(get_user(val, argptr))
171 return -EFAULT;
172 set_fs (KERNEL_DS);
173 err = sys_ioctl(fd, cmd, (unsigned long)&val);
174 set_fs (old_fs);
175 if (!err && put_user(val, argptr))
176 return -EFAULT;
177 return err;
178 }
179
180 static int do_ext2_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
181 {
182 /* These are just misnamed, they actually get/put from/to user an int */
183 switch (cmd) {
184 case EXT2_IOC32_GETFLAGS: cmd = EXT2_IOC_GETFLAGS; break;
185 case EXT2_IOC32_SETFLAGS: cmd = EXT2_IOC_SETFLAGS; break;
186 case EXT2_IOC32_GETVERSION: cmd = EXT2_IOC_GETVERSION; break;
187 case EXT2_IOC32_SETVERSION: cmd = EXT2_IOC_SETVERSION; break;
188 }
189 return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
190 }
191
192 static int do_ext3_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
193 {
194 /* These are just misnamed, they actually get/put from/to user an int */
195 switch (cmd) {
196 case EXT3_IOC32_GETVERSION: cmd = EXT3_IOC_GETVERSION; break;
197 case EXT3_IOC32_SETVERSION: cmd = EXT3_IOC_SETVERSION; break;
198 case EXT3_IOC32_GETRSVSZ: cmd = EXT3_IOC_GETRSVSZ; break;
199 case EXT3_IOC32_SETRSVSZ: cmd = EXT3_IOC_SETRSVSZ; break;
200 case EXT3_IOC32_GROUP_EXTEND: cmd = EXT3_IOC_GROUP_EXTEND; break;
201 #ifdef CONFIG_JBD_DEBUG
202 case EXT3_IOC32_WAIT_FOR_READONLY: cmd = EXT3_IOC_WAIT_FOR_READONLY; break;
203 #endif
204 }
205 return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
206 }
207
208 struct compat_video_event {
209 int32_t type;
210 compat_time_t timestamp;
211 union {
212 video_size_t size;
213 unsigned int frame_rate;
214 } u;
215 };
216
217 static int do_video_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
218 {
219 struct video_event kevent;
220 mm_segment_t old_fs = get_fs();
221 int err;
222
223 set_fs(KERNEL_DS);
224 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
225 set_fs(old_fs);
226
227 if (!err) {
228 struct compat_video_event __user *up = compat_ptr(arg);
229
230 err = put_user(kevent.type, &up->type);
231 err |= put_user(kevent.timestamp, &up->timestamp);
232 err |= put_user(kevent.u.size.w, &up->u.size.w);
233 err |= put_user(kevent.u.size.h, &up->u.size.h);
234 err |= put_user(kevent.u.size.aspect_ratio,
235 &up->u.size.aspect_ratio);
236 if (err)
237 err = -EFAULT;
238 }
239
240 return err;
241 }
242
243 struct compat_video_still_picture {
244 compat_uptr_t iFrame;
245 int32_t size;
246 };
247
248 static int do_video_stillpicture(unsigned int fd, unsigned int cmd, unsigned long arg)
249 {
250 struct compat_video_still_picture __user *up;
251 struct video_still_picture __user *up_native;
252 compat_uptr_t fp;
253 int32_t size;
254 int err;
255
256 up = (struct compat_video_still_picture __user *) arg;
257 err = get_user(fp, &up->iFrame);
258 err |= get_user(size, &up->size);
259 if (err)
260 return -EFAULT;
261
262 up_native =
263 compat_alloc_user_space(sizeof(struct video_still_picture));
264
265 put_user(compat_ptr(fp), &up_native->iFrame);
266 put_user(size, &up_native->size);
267
268 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
269
270 return err;
271 }
272
273 struct compat_video_spu_palette {
274 int length;
275 compat_uptr_t palette;
276 };
277
278 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned long arg)
279 {
280 struct compat_video_spu_palette __user *up;
281 struct video_spu_palette __user *up_native;
282 compat_uptr_t palp;
283 int length, err;
284
285 up = (struct compat_video_spu_palette __user *) arg;
286 err = get_user(palp, &up->palette);
287 err |= get_user(length, &up->length);
288
289 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
290 put_user(compat_ptr(palp), &up_native->palette);
291 put_user(length, &up_native->length);
292
293 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
294
295 return err;
296 }
297
298 #ifdef CONFIG_NET
299 static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
300 {
301 struct compat_timeval __user *up = compat_ptr(arg);
302 struct timeval ktv;
303 mm_segment_t old_fs = get_fs();
304 int err;
305
306 set_fs(KERNEL_DS);
307 err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
308 set_fs(old_fs);
309 if(!err) {
310 err = put_user(ktv.tv_sec, &up->tv_sec);
311 err |= __put_user(ktv.tv_usec, &up->tv_usec);
312 }
313 return err;
314 }
315
316 struct ifmap32 {
317 compat_ulong_t mem_start;
318 compat_ulong_t mem_end;
319 unsigned short base_addr;
320 unsigned char irq;
321 unsigned char dma;
322 unsigned char port;
323 };
324
325 struct ifreq32 {
326 #define IFHWADDRLEN 6
327 #define IFNAMSIZ 16
328 union {
329 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
330 } ifr_ifrn;
331 union {
332 struct sockaddr ifru_addr;
333 struct sockaddr ifru_dstaddr;
334 struct sockaddr ifru_broadaddr;
335 struct sockaddr ifru_netmask;
336 struct sockaddr ifru_hwaddr;
337 short ifru_flags;
338 compat_int_t ifru_ivalue;
339 compat_int_t ifru_mtu;
340 struct ifmap32 ifru_map;
341 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
342 char ifru_newname[IFNAMSIZ];
343 compat_caddr_t ifru_data;
344 /* XXXX? ifru_settings should be here */
345 } ifr_ifru;
346 };
347
348 struct ifconf32 {
349 compat_int_t ifc_len; /* size of buffer */
350 compat_caddr_t ifcbuf;
351 };
352
353 static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
354 {
355 struct net_device *dev;
356 struct ifreq32 ifr32;
357 int err;
358
359 if (copy_from_user(&ifr32, compat_ptr(arg), sizeof(ifr32)))
360 return -EFAULT;
361
362 dev = dev_get_by_index(ifr32.ifr_ifindex);
363 if (!dev)
364 return -ENODEV;
365
366 strlcpy(ifr32.ifr_name, dev->name, sizeof(ifr32.ifr_name));
367 dev_put(dev);
368
369 err = copy_to_user(compat_ptr(arg), &ifr32, sizeof(ifr32));
370 return (err ? -EFAULT : 0);
371 }
372
373 static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
374 {
375 struct ifconf32 ifc32;
376 struct ifconf ifc;
377 struct ifconf __user *uifc;
378 struct ifreq32 __user *ifr32;
379 struct ifreq __user *ifr;
380 unsigned int i, j;
381 int err;
382
383 if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
384 return -EFAULT;
385
386 if (ifc32.ifcbuf == 0) {
387 ifc32.ifc_len = 0;
388 ifc.ifc_len = 0;
389 ifc.ifc_req = NULL;
390 uifc = compat_alloc_user_space(sizeof(struct ifconf));
391 } else {
392 size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
393 sizeof (struct ifreq);
394 uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
395 ifc.ifc_len = len;
396 ifr = ifc.ifc_req = (void __user *)(uifc + 1);
397 ifr32 = compat_ptr(ifc32.ifcbuf);
398 for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
399 if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
400 return -EFAULT;
401 ifr++;
402 ifr32++;
403 }
404 }
405 if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
406 return -EFAULT;
407
408 err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);
409 if (err)
410 return err;
411
412 if (copy_from_user(&ifc, uifc, sizeof(struct ifconf)))
413 return -EFAULT;
414
415 ifr = ifc.ifc_req;
416 ifr32 = compat_ptr(ifc32.ifcbuf);
417 for (i = 0, j = 0;
418 i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
419 i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
420 if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
421 return -EFAULT;
422 ifr32++;
423 ifr++;
424 }
425
426 if (ifc32.ifcbuf == 0) {
427 /* Translate from 64-bit structure multiple to
428 * a 32-bit one.
429 */
430 i = ifc.ifc_len;
431 i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
432 ifc32.ifc_len = i;
433 } else {
434 ifc32.ifc_len = i;
435 }
436 if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
437 return -EFAULT;
438
439 return 0;
440 }
441
442 static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
443 {
444 struct ifreq __user *ifr;
445 struct ifreq32 __user *ifr32;
446 u32 data;
447 void __user *datap;
448
449 ifr = compat_alloc_user_space(sizeof(*ifr));
450 ifr32 = compat_ptr(arg);
451
452 if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
453 return -EFAULT;
454
455 if (get_user(data, &ifr32->ifr_ifru.ifru_data))
456 return -EFAULT;
457
458 datap = compat_ptr(data);
459 if (put_user(datap, &ifr->ifr_ifru.ifru_data))
460 return -EFAULT;
461
462 return sys_ioctl(fd, cmd, (unsigned long) ifr);
463 }
464
465 static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
466 {
467 struct ifreq kifr;
468 struct ifreq __user *uifr;
469 struct ifreq32 __user *ifr32 = compat_ptr(arg);
470 mm_segment_t old_fs;
471 int err;
472 u32 data;
473 void __user *datap;
474
475 switch (cmd) {
476 case SIOCBONDENSLAVE:
477 case SIOCBONDRELEASE:
478 case SIOCBONDSETHWADDR:
479 case SIOCBONDCHANGEACTIVE:
480 if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
481 return -EFAULT;
482
483 old_fs = get_fs();
484 set_fs (KERNEL_DS);
485 err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
486 set_fs (old_fs);
487
488 return err;
489 case SIOCBONDSLAVEINFOQUERY:
490 case SIOCBONDINFOQUERY:
491 uifr = compat_alloc_user_space(sizeof(*uifr));
492 if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
493 return -EFAULT;
494
495 if (get_user(data, &ifr32->ifr_ifru.ifru_data))
496 return -EFAULT;
497
498 datap = compat_ptr(data);
499 if (put_user(datap, &uifr->ifr_ifru.ifru_data))
500 return -EFAULT;
501
502 return sys_ioctl (fd, cmd, (unsigned long)uifr);
503 default:
504 return -EINVAL;
505 };
506 }
507
508 int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
509 {
510 struct ifreq __user *u_ifreq64;
511 struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
512 char tmp_buf[IFNAMSIZ];
513 void __user *data64;
514 u32 data32;
515
516 if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
517 IFNAMSIZ))
518 return -EFAULT;
519 if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
520 return -EFAULT;
521 data64 = compat_ptr(data32);
522
523 u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
524
525 /* Don't check these user accesses, just let that get trapped
526 * in the ioctl handler instead.
527 */
528 if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
529 IFNAMSIZ))
530 return -EFAULT;
531 if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
532 return -EFAULT;
533
534 return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
535 }
536
537 static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
538 {
539 struct ifreq ifr;
540 struct ifreq32 __user *uifr32;
541 struct ifmap32 __user *uifmap32;
542 mm_segment_t old_fs;
543 int err;
544
545 uifr32 = compat_ptr(arg);
546 uifmap32 = &uifr32->ifr_ifru.ifru_map;
547 switch (cmd) {
548 case SIOCSIFMAP:
549 err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
550 err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
551 err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
552 err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
553 err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
554 err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
555 err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
556 if (err)
557 return -EFAULT;
558 break;
559 default:
560 if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
561 return -EFAULT;
562 break;
563 }
564 old_fs = get_fs();
565 set_fs (KERNEL_DS);
566 err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
567 set_fs (old_fs);
568 if (!err) {
569 switch (cmd) {
570 /* TUNSETIFF is defined as _IOW, it should be _IORW
571 * as the data is copied back to user space, but that
572 * cannot be fixed without breaking all existing apps.
573 */
574 case TUNSETIFF:
575 case SIOCGIFFLAGS:
576 case SIOCGIFMETRIC:
577 case SIOCGIFMTU:
578 case SIOCGIFMEM:
579 case SIOCGIFHWADDR:
580 case SIOCGIFINDEX:
581 case SIOCGIFADDR:
582 case SIOCGIFBRDADDR:
583 case SIOCGIFDSTADDR:
584 case SIOCGIFNETMASK:
585 case SIOCGIFTXQLEN:
586 if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
587 return -EFAULT;
588 break;
589 case SIOCGIFMAP:
590 err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
591 err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
592 err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
593 err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
594 err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
595 err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
596 err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
597 if (err)
598 err = -EFAULT;
599 break;
600 }
601 }
602 return err;
603 }
604
605 struct rtentry32 {
606 u32 rt_pad1;
607 struct sockaddr rt_dst; /* target address */
608 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
609 struct sockaddr rt_genmask; /* target network mask (IP) */
610 unsigned short rt_flags;
611 short rt_pad2;
612 u32 rt_pad3;
613 unsigned char rt_tos;
614 unsigned char rt_class;
615 short rt_pad4;
616 short rt_metric; /* +1 for binary compatibility! */
617 /* char * */ u32 rt_dev; /* forcing the device at add */
618 u32 rt_mtu; /* per route MTU/Window */
619 u32 rt_window; /* Window clamping */
620 unsigned short rt_irtt; /* Initial RTT */
621
622 };
623
624 struct in6_rtmsg32 {
625 struct in6_addr rtmsg_dst;
626 struct in6_addr rtmsg_src;
627 struct in6_addr rtmsg_gateway;
628 u32 rtmsg_type;
629 u16 rtmsg_dst_len;
630 u16 rtmsg_src_len;
631 u32 rtmsg_metric;
632 u32 rtmsg_info;
633 u32 rtmsg_flags;
634 s32 rtmsg_ifindex;
635 };
636
637 static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
638 {
639 int ret;
640 void *r = NULL;
641 struct in6_rtmsg r6;
642 struct rtentry r4;
643 char devname[16];
644 u32 rtdev;
645 mm_segment_t old_fs = get_fs();
646
647 struct socket *mysock = sockfd_lookup(fd, &ret);
648
649 if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
650 struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
651 ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
652 3 * sizeof(struct in6_addr));
653 ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
654 ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
655 ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
656 ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
657 ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
658 ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
659 ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
660
661 r = (void *) &r6;
662 } else { /* ipv4 */
663 struct rtentry32 __user *ur4 = compat_ptr(arg);
664 ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
665 3 * sizeof(struct sockaddr));
666 ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
667 ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
668 ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
669 ret |= __get_user (r4.rt_window, &(ur4->rt_window));
670 ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
671 ret |= __get_user (rtdev, &(ur4->rt_dev));
672 if (rtdev) {
673 ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
674 r4.rt_dev = devname; devname[15] = 0;
675 } else
676 r4.rt_dev = NULL;
677
678 r = (void *) &r4;
679 }
680
681 if (ret) {
682 ret = -EFAULT;
683 goto out;
684 }
685
686 set_fs (KERNEL_DS);
687 ret = sys_ioctl (fd, cmd, (unsigned long) r);
688 set_fs (old_fs);
689
690 out:
691 if (mysock)
692 sockfd_put(mysock);
693
694 return ret;
695 }
696 #endif
697
698 struct hd_geometry32 {
699 unsigned char heads;
700 unsigned char sectors;
701 unsigned short cylinders;
702 u32 start;
703 };
704
705 static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg)
706 {
707 mm_segment_t old_fs = get_fs();
708 struct hd_geometry geo;
709 struct hd_geometry32 __user *ugeo;
710 int err;
711
712 set_fs (KERNEL_DS);
713 err = sys_ioctl(fd, HDIO_GETGEO, (unsigned long)&geo);
714 set_fs (old_fs);
715 ugeo = compat_ptr(arg);
716 if (!err) {
717 err = copy_to_user (ugeo, &geo, 4);
718 err |= __put_user (geo.start, &ugeo->start);
719 }
720 return err ? -EFAULT : 0;
721 }
722
723 static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
724 {
725 mm_segment_t old_fs = get_fs();
726 unsigned long kval;
727 unsigned int __user *uvp;
728 int error;
729
730 set_fs(KERNEL_DS);
731 error = sys_ioctl(fd, cmd, (long)&kval);
732 set_fs(old_fs);
733
734 if(error == 0) {
735 uvp = compat_ptr(arg);
736 if(put_user(kval, uvp))
737 error = -EFAULT;
738 }
739 return error;
740 }
741
742
743 typedef struct sg_io_hdr32 {
744 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
745 compat_int_t dxfer_direction; /* [i] data transfer direction */
746 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
747 unsigned char mx_sb_len; /* [i] max length to write to sbp */
748 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
749 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
750 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
751 or scatter gather list */
752 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
753 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
754 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
755 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
756 compat_int_t pack_id; /* [i->o] unused internally (normally) */
757 compat_uptr_t usr_ptr; /* [i->o] unused internally */
758 unsigned char status; /* [o] scsi status */
759 unsigned char masked_status; /* [o] shifted, masked scsi status */
760 unsigned char msg_status; /* [o] messaging level data (optional) */
761 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
762 unsigned short host_status; /* [o] errors from host adapter */
763 unsigned short driver_status; /* [o] errors from software driver */
764 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
765 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
766 compat_uint_t info; /* [o] auxiliary information */
767 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
768
769 typedef struct sg_iovec32 {
770 compat_uint_t iov_base;
771 compat_uint_t iov_len;
772 } sg_iovec32_t;
773
774 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
775 {
776 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
777 sg_iovec32_t __user *iov32 = dxferp;
778 int i;
779
780 for (i = 0; i < iovec_count; i++) {
781 u32 base, len;
782
783 if (get_user(base, &iov32[i].iov_base) ||
784 get_user(len, &iov32[i].iov_len) ||
785 put_user(compat_ptr(base), &iov[i].iov_base) ||
786 put_user(len, &iov[i].iov_len))
787 return -EFAULT;
788 }
789
790 if (put_user(iov, &sgio->dxferp))
791 return -EFAULT;
792 return 0;
793 }
794
795 static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
796 {
797 sg_io_hdr_t __user *sgio;
798 sg_io_hdr32_t __user *sgio32;
799 u16 iovec_count;
800 u32 data;
801 void __user *dxferp;
802 int err;
803
804 sgio32 = compat_ptr(arg);
805 if (get_user(iovec_count, &sgio32->iovec_count))
806 return -EFAULT;
807
808 {
809 void __user *top = compat_alloc_user_space(0);
810 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
811 (iovec_count * sizeof(sg_iovec_t)));
812 if (new > top)
813 return -EINVAL;
814
815 sgio = new;
816 }
817
818 /* Ok, now construct. */
819 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
820 (2 * sizeof(int)) +
821 (2 * sizeof(unsigned char)) +
822 (1 * sizeof(unsigned short)) +
823 (1 * sizeof(unsigned int))))
824 return -EFAULT;
825
826 if (get_user(data, &sgio32->dxferp))
827 return -EFAULT;
828 dxferp = compat_ptr(data);
829 if (iovec_count) {
830 if (sg_build_iovec(sgio, dxferp, iovec_count))
831 return -EFAULT;
832 } else {
833 if (put_user(dxferp, &sgio->dxferp))
834 return -EFAULT;
835 }
836
837 {
838 unsigned char __user *cmdp;
839 unsigned char __user *sbp;
840
841 if (get_user(data, &sgio32->cmdp))
842 return -EFAULT;
843 cmdp = compat_ptr(data);
844
845 if (get_user(data, &sgio32->sbp))
846 return -EFAULT;
847 sbp = compat_ptr(data);
848
849 if (put_user(cmdp, &sgio->cmdp) ||
850 put_user(sbp, &sgio->sbp))
851 return -EFAULT;
852 }
853
854 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
855 3 * sizeof(int)))
856 return -EFAULT;
857
858 if (get_user(data, &sgio32->usr_ptr))
859 return -EFAULT;
860 if (put_user(compat_ptr(data), &sgio->usr_ptr))
861 return -EFAULT;
862
863 if (copy_in_user(&sgio->status, &sgio32->status,
864 (4 * sizeof(unsigned char)) +
865 (2 * sizeof(unsigned (short))) +
866 (3 * sizeof(int))))
867 return -EFAULT;
868
869 err = sys_ioctl(fd, cmd, (unsigned long) sgio);
870
871 if (err >= 0) {
872 void __user *datap;
873
874 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
875 sizeof(int)) ||
876 get_user(datap, &sgio->usr_ptr) ||
877 put_user((u32)(unsigned long)datap,
878 &sgio32->usr_ptr) ||
879 copy_in_user(&sgio32->status, &sgio->status,
880 (4 * sizeof(unsigned char)) +
881 (2 * sizeof(unsigned short)) +
882 (3 * sizeof(int))))
883 err = -EFAULT;
884 }
885
886 return err;
887 }
888
889 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
890 char req_state;
891 char orphan;
892 char sg_io_owned;
893 char problem;
894 int pack_id;
895 compat_uptr_t usr_ptr;
896 unsigned int duration;
897 int unused;
898 };
899
900 static int sg_grt_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
901 {
902 int err, i;
903 sg_req_info_t __user *r;
904 struct compat_sg_req_info __user *o = (void __user *)arg;
905 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
906 err = sys_ioctl(fd,cmd,(unsigned long)r);
907 if (err < 0)
908 return err;
909 for (i = 0; i < SG_MAX_QUEUE; i++) {
910 void __user *ptr;
911 int d;
912
913 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
914 get_user(ptr, &r[i].usr_ptr) ||
915 get_user(d, &r[i].duration) ||
916 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
917 put_user(d, &o[i].duration))
918 return -EFAULT;
919 }
920 return err;
921 }
922
923 struct sock_fprog32 {
924 unsigned short len;
925 compat_caddr_t filter;
926 };
927
928 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
929 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
930
931 static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
932 {
933 struct sock_fprog32 __user *u_fprog32 = compat_ptr(arg);
934 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
935 void __user *fptr64;
936 u32 fptr32;
937 u16 flen;
938
939 if (get_user(flen, &u_fprog32->len) ||
940 get_user(fptr32, &u_fprog32->filter))
941 return -EFAULT;
942
943 fptr64 = compat_ptr(fptr32);
944
945 if (put_user(flen, &u_fprog64->len) ||
946 put_user(fptr64, &u_fprog64->filter))
947 return -EFAULT;
948
949 if (cmd == PPPIOCSPASS32)
950 cmd = PPPIOCSPASS;
951 else
952 cmd = PPPIOCSACTIVE;
953
954 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
955 }
956
957 struct ppp_option_data32 {
958 compat_caddr_t ptr;
959 u32 length;
960 compat_int_t transmit;
961 };
962 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
963
964 struct ppp_idle32 {
965 compat_time_t xmit_idle;
966 compat_time_t recv_idle;
967 };
968 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
969
970 static int ppp_gidle(unsigned int fd, unsigned int cmd, unsigned long arg)
971 {
972 struct ppp_idle __user *idle;
973 struct ppp_idle32 __user *idle32;
974 __kernel_time_t xmit, recv;
975 int err;
976
977 idle = compat_alloc_user_space(sizeof(*idle));
978 idle32 = compat_ptr(arg);
979
980 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
981
982 if (!err) {
983 if (get_user(xmit, &idle->xmit_idle) ||
984 get_user(recv, &idle->recv_idle) ||
985 put_user(xmit, &idle32->xmit_idle) ||
986 put_user(recv, &idle32->recv_idle))
987 err = -EFAULT;
988 }
989 return err;
990 }
991
992 static int ppp_scompress(unsigned int fd, unsigned int cmd, unsigned long arg)
993 {
994 struct ppp_option_data __user *odata;
995 struct ppp_option_data32 __user *odata32;
996 __u32 data;
997 void __user *datap;
998
999 odata = compat_alloc_user_space(sizeof(*odata));
1000 odata32 = compat_ptr(arg);
1001
1002 if (get_user(data, &odata32->ptr))
1003 return -EFAULT;
1004
1005 datap = compat_ptr(data);
1006 if (put_user(datap, &odata->ptr))
1007 return -EFAULT;
1008
1009 if (copy_in_user(&odata->length, &odata32->length,
1010 sizeof(__u32) + sizeof(int)))
1011 return -EFAULT;
1012
1013 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
1014 }
1015
1016 static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1017 {
1018 int err;
1019
1020 switch (cmd) {
1021 case PPPIOCGIDLE32:
1022 err = ppp_gidle(fd, cmd, arg);
1023 break;
1024
1025 case PPPIOCSCOMPRESS32:
1026 err = ppp_scompress(fd, cmd, arg);
1027 break;
1028
1029 default:
1030 do {
1031 static int count;
1032 if (++count <= 20)
1033 printk("ppp_ioctl: Unknown cmd fd(%d) "
1034 "cmd(%08x) arg(%08x)\n",
1035 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1036 } while(0);
1037 err = -EINVAL;
1038 break;
1039 };
1040
1041 return err;
1042 }
1043
1044
1045 struct mtget32 {
1046 compat_long_t mt_type;
1047 compat_long_t mt_resid;
1048 compat_long_t mt_dsreg;
1049 compat_long_t mt_gstat;
1050 compat_long_t mt_erreg;
1051 compat_daddr_t mt_fileno;
1052 compat_daddr_t mt_blkno;
1053 };
1054 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
1055
1056 struct mtpos32 {
1057 compat_long_t mt_blkno;
1058 };
1059 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
1060
1061 static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1062 {
1063 mm_segment_t old_fs = get_fs();
1064 struct mtget get;
1065 struct mtget32 __user *umget32;
1066 struct mtpos pos;
1067 struct mtpos32 __user *upos32;
1068 unsigned long kcmd;
1069 void *karg;
1070 int err = 0;
1071
1072 switch(cmd) {
1073 case MTIOCPOS32:
1074 kcmd = MTIOCPOS;
1075 karg = &pos;
1076 break;
1077 case MTIOCGET32:
1078 kcmd = MTIOCGET;
1079 karg = &get;
1080 break;
1081 default:
1082 do {
1083 static int count;
1084 if (++count <= 20)
1085 printk("mt_ioctl: Unknown cmd fd(%d) "
1086 "cmd(%08x) arg(%08x)\n",
1087 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1088 } while(0);
1089 return -EINVAL;
1090 }
1091 set_fs (KERNEL_DS);
1092 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
1093 set_fs (old_fs);
1094 if (err)
1095 return err;
1096 switch (cmd) {
1097 case MTIOCPOS32:
1098 upos32 = compat_ptr(arg);
1099 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
1100 break;
1101 case MTIOCGET32:
1102 umget32 = compat_ptr(arg);
1103 err = __put_user(get.mt_type, &umget32->mt_type);
1104 err |= __put_user(get.mt_resid, &umget32->mt_resid);
1105 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
1106 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
1107 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
1108 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
1109 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
1110 break;
1111 }
1112 return err ? -EFAULT: 0;
1113 }
1114
1115 struct cdrom_read_audio32 {
1116 union cdrom_addr addr;
1117 u8 addr_format;
1118 compat_int_t nframes;
1119 compat_caddr_t buf;
1120 };
1121
1122 struct cdrom_generic_command32 {
1123 unsigned char cmd[CDROM_PACKET_SIZE];
1124 compat_caddr_t buffer;
1125 compat_uint_t buflen;
1126 compat_int_t stat;
1127 compat_caddr_t sense;
1128 unsigned char data_direction;
1129 compat_int_t quiet;
1130 compat_int_t timeout;
1131 compat_caddr_t reserved[1];
1132 };
1133
1134 static int cdrom_do_read_audio(unsigned int fd, unsigned int cmd, unsigned long arg)
1135 {
1136 struct cdrom_read_audio __user *cdread_audio;
1137 struct cdrom_read_audio32 __user *cdread_audio32;
1138 __u32 data;
1139 void __user *datap;
1140
1141 cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio));
1142 cdread_audio32 = compat_ptr(arg);
1143
1144 if (copy_in_user(&cdread_audio->addr,
1145 &cdread_audio32->addr,
1146 (sizeof(*cdread_audio32) -
1147 sizeof(compat_caddr_t))))
1148 return -EFAULT;
1149
1150 if (get_user(data, &cdread_audio32->buf))
1151 return -EFAULT;
1152 datap = compat_ptr(data);
1153 if (put_user(datap, &cdread_audio->buf))
1154 return -EFAULT;
1155
1156 return sys_ioctl(fd, cmd, (unsigned long) cdread_audio);
1157 }
1158
1159 static int cdrom_do_generic_command(unsigned int fd, unsigned int cmd, unsigned long arg)
1160 {
1161 struct cdrom_generic_command __user *cgc;
1162 struct cdrom_generic_command32 __user *cgc32;
1163 u32 data;
1164 unsigned char dir;
1165 int itmp;
1166
1167 cgc = compat_alloc_user_space(sizeof(*cgc));
1168 cgc32 = compat_ptr(arg);
1169
1170 if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) ||
1171 get_user(data, &cgc32->buffer) ||
1172 put_user(compat_ptr(data), &cgc->buffer) ||
1173 copy_in_user(&cgc->buflen, &cgc32->buflen,
1174 (sizeof(unsigned int) + sizeof(int))) ||
1175 get_user(data, &cgc32->sense) ||
1176 put_user(compat_ptr(data), &cgc->sense) ||
1177 get_user(dir, &cgc32->data_direction) ||
1178 put_user(dir, &cgc->data_direction) ||
1179 get_user(itmp, &cgc32->quiet) ||
1180 put_user(itmp, &cgc->quiet) ||
1181 get_user(itmp, &cgc32->timeout) ||
1182 put_user(itmp, &cgc->timeout) ||
1183 get_user(data, &cgc32->reserved[0]) ||
1184 put_user(compat_ptr(data), &cgc->reserved[0]))
1185 return -EFAULT;
1186
1187 return sys_ioctl(fd, cmd, (unsigned long) cgc);
1188 }
1189
1190 static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1191 {
1192 int err;
1193
1194 switch(cmd) {
1195 case CDROMREADAUDIO:
1196 err = cdrom_do_read_audio(fd, cmd, arg);
1197 break;
1198
1199 case CDROM_SEND_PACKET:
1200 err = cdrom_do_generic_command(fd, cmd, arg);
1201 break;
1202
1203 default:
1204 do {
1205 static int count;
1206 if (++count <= 20)
1207 printk("cdrom_ioctl: Unknown cmd fd(%d) "
1208 "cmd(%08x) arg(%08x)\n",
1209 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1210 } while(0);
1211 err = -EINVAL;
1212 break;
1213 };
1214
1215 return err;
1216 }
1217
1218 struct loop_info32 {
1219 compat_int_t lo_number; /* ioctl r/o */
1220 compat_dev_t lo_device; /* ioctl r/o */
1221 compat_ulong_t lo_inode; /* ioctl r/o */
1222 compat_dev_t lo_rdevice; /* ioctl r/o */
1223 compat_int_t lo_offset;
1224 compat_int_t lo_encrypt_type;
1225 compat_int_t lo_encrypt_key_size; /* ioctl w/o */
1226 compat_int_t lo_flags; /* ioctl r/o */
1227 char lo_name[LO_NAME_SIZE];
1228 unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
1229 compat_ulong_t lo_init[2];
1230 char reserved[4];
1231 };
1232
1233 static int loop_status(unsigned int fd, unsigned int cmd, unsigned long arg)
1234 {
1235 mm_segment_t old_fs = get_fs();
1236 struct loop_info l;
1237 struct loop_info32 __user *ul;
1238 int err = -EINVAL;
1239
1240 ul = compat_ptr(arg);
1241 switch(cmd) {
1242 case LOOP_SET_STATUS:
1243 err = get_user(l.lo_number, &ul->lo_number);
1244 err |= __get_user(l.lo_device, &ul->lo_device);
1245 err |= __get_user(l.lo_inode, &ul->lo_inode);
1246 err |= __get_user(l.lo_rdevice, &ul->lo_rdevice);
1247 err |= __copy_from_user(&l.lo_offset, &ul->lo_offset,
1248 8 + (unsigned long)l.lo_init - (unsigned long)&l.lo_offset);
1249 if (err) {
1250 err = -EFAULT;
1251 } else {
1252 set_fs (KERNEL_DS);
1253 err = sys_ioctl (fd, cmd, (unsigned long)&l);
1254 set_fs (old_fs);
1255 }
1256 break;
1257 case LOOP_GET_STATUS:
1258 set_fs (KERNEL_DS);
1259 err = sys_ioctl (fd, cmd, (unsigned long)&l);
1260 set_fs (old_fs);
1261 if (!err) {
1262 err = put_user(l.lo_number, &ul->lo_number);
1263 err |= __put_user(l.lo_device, &ul->lo_device);
1264 err |= __put_user(l.lo_inode, &ul->lo_inode);
1265 err |= __put_user(l.lo_rdevice, &ul->lo_rdevice);
1266 err |= __copy_to_user(&ul->lo_offset, &l.lo_offset,
1267 (unsigned long)l.lo_init - (unsigned long)&l.lo_offset);
1268 if (err)
1269 err = -EFAULT;
1270 }
1271 break;
1272 default: {
1273 static int count;
1274 if (++count <= 20)
1275 printk("%s: Unknown loop ioctl cmd, fd(%d) "
1276 "cmd(%08x) arg(%08lx)\n",
1277 __FUNCTION__, fd, cmd, arg);
1278 }
1279 }
1280 return err;
1281 }
1282
1283 extern int tty_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg);
1284
1285 #ifdef CONFIG_VT
1286
1287 static int vt_check(struct file *file)
1288 {
1289 struct tty_struct *tty;
1290 struct inode *inode = file->f_dentry->d_inode;
1291
1292 if (file->f_op->ioctl != tty_ioctl)
1293 return -EINVAL;
1294
1295 tty = (struct tty_struct *)file->private_data;
1296 if (tty_paranoia_check(tty, inode, "tty_ioctl"))
1297 return -EINVAL;
1298
1299 if (tty->driver->ioctl != vt_ioctl)
1300 return -EINVAL;
1301
1302 /*
1303 * To have permissions to do most of the vt ioctls, we either have
1304 * to be the owner of the tty, or super-user.
1305 */
1306 if (current->signal->tty == tty || capable(CAP_SYS_ADMIN))
1307 return 1;
1308 return 0;
1309 }
1310
1311 struct consolefontdesc32 {
1312 unsigned short charcount; /* characters in font (256 or 512) */
1313 unsigned short charheight; /* scan lines per character (1-32) */
1314 compat_caddr_t chardata; /* font data in expanded form */
1315 };
1316
1317 static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1318 {
1319 struct consolefontdesc32 __user *user_cfd = compat_ptr(arg);
1320 struct console_font_op op;
1321 compat_caddr_t data;
1322 int i, perm;
1323
1324 perm = vt_check(file);
1325 if (perm < 0) return perm;
1326
1327 switch (cmd) {
1328 case PIO_FONTX:
1329 if (!perm)
1330 return -EPERM;
1331 op.op = KD_FONT_OP_SET;
1332 op.flags = 0;
1333 op.width = 8;
1334 if (get_user(op.height, &user_cfd->charheight) ||
1335 get_user(op.charcount, &user_cfd->charcount) ||
1336 get_user(data, &user_cfd->chardata))
1337 return -EFAULT;
1338 op.data = compat_ptr(data);
1339 return con_font_op(vc_cons[fg_console].d, &op);
1340 case GIO_FONTX:
1341 op.op = KD_FONT_OP_GET;
1342 op.flags = 0;
1343 op.width = 8;
1344 if (get_user(op.height, &user_cfd->charheight) ||
1345 get_user(op.charcount, &user_cfd->charcount) ||
1346 get_user(data, &user_cfd->chardata))
1347 return -EFAULT;
1348 if (!data)
1349 return 0;
1350 op.data = compat_ptr(data);
1351 i = con_font_op(vc_cons[fg_console].d, &op);
1352 if (i)
1353 return i;
1354 if (put_user(op.height, &user_cfd->charheight) ||
1355 put_user(op.charcount, &user_cfd->charcount) ||
1356 put_user((compat_caddr_t)(unsigned long)op.data,
1357 &user_cfd->chardata))
1358 return -EFAULT;
1359 return 0;
1360 }
1361 return -EINVAL;
1362 }
1363
1364 struct console_font_op32 {
1365 compat_uint_t op; /* operation code KD_FONT_OP_* */
1366 compat_uint_t flags; /* KD_FONT_FLAG_* */
1367 compat_uint_t width, height; /* font size */
1368 compat_uint_t charcount;
1369 compat_caddr_t data; /* font data with height fixed to 32 */
1370 };
1371
1372 static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1373 {
1374 struct console_font_op op;
1375 struct console_font_op32 __user *fontop = compat_ptr(arg);
1376 int perm = vt_check(file), i;
1377 struct vc_data *vc;
1378
1379 if (perm < 0) return perm;
1380
1381 if (copy_from_user(&op, fontop, sizeof(struct console_font_op32)))
1382 return -EFAULT;
1383 if (!perm && op.op != KD_FONT_OP_GET)
1384 return -EPERM;
1385 op.data = compat_ptr(((struct console_font_op32 *)&op)->data);
1386 op.flags |= KD_FONT_FLAG_OLD;
1387 vc = ((struct tty_struct *)file->private_data)->driver_data;
1388 i = con_font_op(vc, &op);
1389 if (i)
1390 return i;
1391 ((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
1392 if (copy_to_user(fontop, &op, sizeof(struct console_font_op32)))
1393 return -EFAULT;
1394 return 0;
1395 }
1396
1397 struct unimapdesc32 {
1398 unsigned short entry_ct;
1399 compat_caddr_t entries;
1400 };
1401
1402 static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1403 {
1404 struct unimapdesc32 tmp;
1405 struct unimapdesc32 __user *user_ud = compat_ptr(arg);
1406 int perm = vt_check(file);
1407
1408 if (perm < 0) return perm;
1409 if (copy_from_user(&tmp, user_ud, sizeof tmp))
1410 return -EFAULT;
1411 switch (cmd) {
1412 case PIO_UNIMAP:
1413 if (!perm) return -EPERM;
1414 return con_set_unimap(vc_cons[fg_console].d, tmp.entry_ct, compat_ptr(tmp.entries));
1415 case GIO_UNIMAP:
1416 return con_get_unimap(vc_cons[fg_console].d, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries));
1417 }
1418 return 0;
1419 }
1420
1421 #endif /* CONFIG_VT */
1422
1423 static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg)
1424 {
1425 mm_segment_t old_fs = get_fs();
1426 __kernel_uid_t kuid;
1427 int err;
1428
1429 cmd = SMB_IOC_GETMOUNTUID;
1430
1431 set_fs(KERNEL_DS);
1432 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
1433 set_fs(old_fs);
1434
1435 if (err >= 0)
1436 err = put_user(kuid, (compat_uid_t __user *)compat_ptr(arg));
1437
1438 return err;
1439 }
1440
1441 struct atmif_sioc32 {
1442 compat_int_t number;
1443 compat_int_t length;
1444 compat_caddr_t arg;
1445 };
1446
1447 struct atm_iobuf32 {
1448 compat_int_t length;
1449 compat_caddr_t buffer;
1450 };
1451
1452 #define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
1453 #define ATM_GETNAMES32 _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
1454 #define ATM_GETTYPE32 _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
1455 #define ATM_GETESI32 _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
1456 #define ATM_GETADDR32 _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
1457 #define ATM_RSTADDR32 _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
1458 #define ATM_ADDADDR32 _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
1459 #define ATM_DELADDR32 _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
1460 #define ATM_GETCIRANGE32 _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
1461 #define ATM_SETCIRANGE32 _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
1462 #define ATM_SETESI32 _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
1463 #define ATM_SETESIF32 _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
1464 #define ATM_GETSTAT32 _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
1465 #define ATM_GETSTATZ32 _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
1466 #define ATM_GETLOOP32 _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
1467 #define ATM_SETLOOP32 _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
1468 #define ATM_QUERYLOOP32 _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
1469
1470 static struct {
1471 unsigned int cmd32;
1472 unsigned int cmd;
1473 } atm_ioctl_map[] = {
1474 { ATM_GETLINKRATE32, ATM_GETLINKRATE },
1475 { ATM_GETNAMES32, ATM_GETNAMES },
1476 { ATM_GETTYPE32, ATM_GETTYPE },
1477 { ATM_GETESI32, ATM_GETESI },
1478 { ATM_GETADDR32, ATM_GETADDR },
1479 { ATM_RSTADDR32, ATM_RSTADDR },
1480 { ATM_ADDADDR32, ATM_ADDADDR },
1481 { ATM_DELADDR32, ATM_DELADDR },
1482 { ATM_GETCIRANGE32, ATM_GETCIRANGE },
1483 { ATM_SETCIRANGE32, ATM_SETCIRANGE },
1484 { ATM_SETESI32, ATM_SETESI },
1485 { ATM_SETESIF32, ATM_SETESIF },
1486 { ATM_GETSTAT32, ATM_GETSTAT },
1487 { ATM_GETSTATZ32, ATM_GETSTATZ },
1488 { ATM_GETLOOP32, ATM_GETLOOP },
1489 { ATM_SETLOOP32, ATM_SETLOOP },
1490 { ATM_QUERYLOOP32, ATM_QUERYLOOP }
1491 };
1492
1493 #define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
1494
1495 static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
1496 {
1497 struct atm_iobuf __user *iobuf;
1498 struct atm_iobuf32 __user *iobuf32;
1499 u32 data;
1500 void __user *datap;
1501 int len, err;
1502
1503 iobuf = compat_alloc_user_space(sizeof(*iobuf));
1504 iobuf32 = compat_ptr(arg);
1505
1506 if (get_user(len, &iobuf32->length) ||
1507 get_user(data, &iobuf32->buffer))
1508 return -EFAULT;
1509 datap = compat_ptr(data);
1510 if (put_user(len, &iobuf->length) ||
1511 put_user(datap, &iobuf->buffer))
1512 return -EFAULT;
1513
1514 err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
1515
1516 if (!err) {
1517 if (copy_in_user(&iobuf32->length, &iobuf->length,
1518 sizeof(int)))
1519 err = -EFAULT;
1520 }
1521
1522 return err;
1523 }
1524
1525 static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
1526 {
1527 struct atmif_sioc __user *sioc;
1528 struct atmif_sioc32 __user *sioc32;
1529 u32 data;
1530 void __user *datap;
1531 int err;
1532
1533 sioc = compat_alloc_user_space(sizeof(*sioc));
1534 sioc32 = compat_ptr(arg);
1535
1536 if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
1537 get_user(data, &sioc32->arg))
1538 return -EFAULT;
1539 datap = compat_ptr(data);
1540 if (put_user(datap, &sioc->arg))
1541 return -EFAULT;
1542
1543 err = sys_ioctl(fd, cmd, (unsigned long) sioc);
1544
1545 if (!err) {
1546 if (copy_in_user(&sioc32->length, &sioc->length,
1547 sizeof(int)))
1548 err = -EFAULT;
1549 }
1550 return err;
1551 }
1552
1553 static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
1554 {
1555 int i;
1556 unsigned int cmd = 0;
1557
1558 switch (cmd32) {
1559 case SONET_GETSTAT:
1560 case SONET_GETSTATZ:
1561 case SONET_GETDIAG:
1562 case SONET_SETDIAG:
1563 case SONET_CLRDIAG:
1564 case SONET_SETFRAMING:
1565 case SONET_GETFRAMING:
1566 case SONET_GETFRSENSE:
1567 return do_atmif_sioc(fd, cmd32, arg);
1568 }
1569
1570 for (i = 0; i < NR_ATM_IOCTL; i++) {
1571 if (cmd32 == atm_ioctl_map[i].cmd32) {
1572 cmd = atm_ioctl_map[i].cmd;
1573 break;
1574 }
1575 }
1576 if (i == NR_ATM_IOCTL)
1577 return -EINVAL;
1578
1579 switch (cmd) {
1580 case ATM_GETNAMES:
1581 return do_atm_iobuf(fd, cmd, arg);
1582
1583 case ATM_GETLINKRATE:
1584 case ATM_GETTYPE:
1585 case ATM_GETESI:
1586 case ATM_GETADDR:
1587 case ATM_RSTADDR:
1588 case ATM_ADDADDR:
1589 case ATM_DELADDR:
1590 case ATM_GETCIRANGE:
1591 case ATM_SETCIRANGE:
1592 case ATM_SETESI:
1593 case ATM_SETESIF:
1594 case ATM_GETSTAT:
1595 case ATM_GETSTATZ:
1596 case ATM_GETLOOP:
1597 case ATM_SETLOOP:
1598 case ATM_QUERYLOOP:
1599 return do_atmif_sioc(fd, cmd, arg);
1600 }
1601
1602 return -EINVAL;
1603 }
1604
1605 static __attribute_used__ int
1606 ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
1607 {
1608 return -EINVAL;
1609 }
1610
1611 static int broken_blkgetsize(unsigned int fd, unsigned int cmd, unsigned long arg)
1612 {
1613 /* The mkswap binary hard codes it to Intel value :-((( */
1614 return w_long(fd, BLKGETSIZE, arg);
1615 }
1616
1617 struct blkpg_ioctl_arg32 {
1618 compat_int_t op;
1619 compat_int_t flags;
1620 compat_int_t datalen;
1621 compat_caddr_t data;
1622 };
1623
1624 static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1625 {
1626 struct blkpg_ioctl_arg32 __user *ua32 = compat_ptr(arg);
1627 struct blkpg_ioctl_arg __user *a = compat_alloc_user_space(sizeof(*a));
1628 compat_caddr_t udata;
1629 compat_int_t n;
1630 int err;
1631
1632 err = get_user(n, &ua32->op);
1633 err |= put_user(n, &a->op);
1634 err |= get_user(n, &ua32->flags);
1635 err |= put_user(n, &a->flags);
1636 err |= get_user(n, &ua32->datalen);
1637 err |= put_user(n, &a->datalen);
1638 err |= get_user(udata, &ua32->data);
1639 err |= put_user(compat_ptr(udata), &a->data);
1640 if (err)
1641 return err;
1642
1643 return sys_ioctl(fd, cmd, (unsigned long)a);
1644 }
1645
1646 static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg)
1647 {
1648 return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg);
1649 }
1650
1651 /* Fix sizeof(sizeof()) breakage */
1652 #define BLKBSZGET_32 _IOR(0x12,112,int)
1653 #define BLKBSZSET_32 _IOW(0x12,113,int)
1654 #define BLKGETSIZE64_32 _IOR(0x12,114,int)
1655
1656 static int do_blkbszget(unsigned int fd, unsigned int cmd, unsigned long arg)
1657 {
1658 return sys_ioctl(fd, BLKBSZGET, (unsigned long)compat_ptr(arg));
1659 }
1660
1661 static int do_blkbszset(unsigned int fd, unsigned int cmd, unsigned long arg)
1662 {
1663 return sys_ioctl(fd, BLKBSZSET, (unsigned long)compat_ptr(arg));
1664 }
1665
1666 static int do_blkgetsize64(unsigned int fd, unsigned int cmd,
1667 unsigned long arg)
1668 {
1669 return sys_ioctl(fd, BLKGETSIZE64, (unsigned long)compat_ptr(arg));
1670 }
1671
1672 /* Bluetooth ioctls */
1673 #define HCIUARTSETPROTO _IOW('U', 200, int)
1674 #define HCIUARTGETPROTO _IOR('U', 201, int)
1675
1676 #define BNEPCONNADD _IOW('B', 200, int)
1677 #define BNEPCONNDEL _IOW('B', 201, int)
1678 #define BNEPGETCONNLIST _IOR('B', 210, int)
1679 #define BNEPGETCONNINFO _IOR('B', 211, int)
1680
1681 #define CMTPCONNADD _IOW('C', 200, int)
1682 #define CMTPCONNDEL _IOW('C', 201, int)
1683 #define CMTPGETCONNLIST _IOR('C', 210, int)
1684 #define CMTPGETCONNINFO _IOR('C', 211, int)
1685
1686 #define HIDPCONNADD _IOW('H', 200, int)
1687 #define HIDPCONNDEL _IOW('H', 201, int)
1688 #define HIDPGETCONNLIST _IOR('H', 210, int)
1689 #define HIDPGETCONNINFO _IOR('H', 211, int)
1690
1691 struct floppy_struct32 {
1692 compat_uint_t size;
1693 compat_uint_t sect;
1694 compat_uint_t head;
1695 compat_uint_t track;
1696 compat_uint_t stretch;
1697 unsigned char gap;
1698 unsigned char rate;
1699 unsigned char spec1;
1700 unsigned char fmt_gap;
1701 const compat_caddr_t name;
1702 };
1703
1704 struct floppy_drive_params32 {
1705 char cmos;
1706 compat_ulong_t max_dtr;
1707 compat_ulong_t hlt;
1708 compat_ulong_t hut;
1709 compat_ulong_t srt;
1710 compat_ulong_t spinup;
1711 compat_ulong_t spindown;
1712 unsigned char spindown_offset;
1713 unsigned char select_delay;
1714 unsigned char rps;
1715 unsigned char tracks;
1716 compat_ulong_t timeout;
1717 unsigned char interleave_sect;
1718 struct floppy_max_errors max_errors;
1719 char flags;
1720 char read_track;
1721 short autodetect[8];
1722 compat_int_t checkfreq;
1723 compat_int_t native_format;
1724 };
1725
1726 struct floppy_drive_struct32 {
1727 signed char flags;
1728 compat_ulong_t spinup_date;
1729 compat_ulong_t select_date;
1730 compat_ulong_t first_read_date;
1731 short probed_format;
1732 short track;
1733 short maxblock;
1734 short maxtrack;
1735 compat_int_t generation;
1736 compat_int_t keep_data;
1737 compat_int_t fd_ref;
1738 compat_int_t fd_device;
1739 compat_int_t last_checked;
1740 compat_caddr_t dmabuf;
1741 compat_int_t bufblocks;
1742 };
1743
1744 struct floppy_fdc_state32 {
1745 compat_int_t spec1;
1746 compat_int_t spec2;
1747 compat_int_t dtr;
1748 unsigned char version;
1749 unsigned char dor;
1750 compat_ulong_t address;
1751 unsigned int rawcmd:2;
1752 unsigned int reset:1;
1753 unsigned int need_configure:1;
1754 unsigned int perp_mode:2;
1755 unsigned int has_fifo:1;
1756 unsigned int driver_version;
1757 unsigned char track[4];
1758 };
1759
1760 struct floppy_write_errors32 {
1761 unsigned int write_errors;
1762 compat_ulong_t first_error_sector;
1763 compat_int_t first_error_generation;
1764 compat_ulong_t last_error_sector;
1765 compat_int_t last_error_generation;
1766 compat_uint_t badness;
1767 };
1768
1769 #define FDSETPRM32 _IOW(2, 0x42, struct floppy_struct32)
1770 #define FDDEFPRM32 _IOW(2, 0x43, struct floppy_struct32)
1771 #define FDGETPRM32 _IOR(2, 0x04, struct floppy_struct32)
1772 #define FDSETDRVPRM32 _IOW(2, 0x90, struct floppy_drive_params32)
1773 #define FDGETDRVPRM32 _IOR(2, 0x11, struct floppy_drive_params32)
1774 #define FDGETDRVSTAT32 _IOR(2, 0x12, struct floppy_drive_struct32)
1775 #define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct floppy_drive_struct32)
1776 #define FDGETFDCSTAT32 _IOR(2, 0x15, struct floppy_fdc_state32)
1777 #define FDWERRORGET32 _IOR(2, 0x17, struct floppy_write_errors32)
1778
1779 static struct {
1780 unsigned int cmd32;
1781 unsigned int cmd;
1782 } fd_ioctl_trans_table[] = {
1783 { FDSETPRM32, FDSETPRM },
1784 { FDDEFPRM32, FDDEFPRM },
1785 { FDGETPRM32, FDGETPRM },
1786 { FDSETDRVPRM32, FDSETDRVPRM },
1787 { FDGETDRVPRM32, FDGETDRVPRM },
1788 { FDGETDRVSTAT32, FDGETDRVSTAT },
1789 { FDPOLLDRVSTAT32, FDPOLLDRVSTAT },
1790 { FDGETFDCSTAT32, FDGETFDCSTAT },
1791 { FDWERRORGET32, FDWERRORGET }
1792 };
1793
1794 #define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table)
1795
1796 static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1797 {
1798 mm_segment_t old_fs = get_fs();
1799 void *karg = NULL;
1800 unsigned int kcmd = 0;
1801 int i, err;
1802
1803 for (i = 0; i < NR_FD_IOCTL_TRANS; i++)
1804 if (cmd == fd_ioctl_trans_table[i].cmd32) {
1805 kcmd = fd_ioctl_trans_table[i].cmd;
1806 break;
1807 }
1808 if (!kcmd)
1809 return -EINVAL;
1810
1811 switch (cmd) {
1812 case FDSETPRM32:
1813 case FDDEFPRM32:
1814 case FDGETPRM32:
1815 {
1816 compat_uptr_t name;
1817 struct floppy_struct32 __user *uf;
1818 struct floppy_struct *f;
1819
1820 uf = compat_ptr(arg);
1821 f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL);
1822 if (!karg)
1823 return -ENOMEM;
1824 if (cmd == FDGETPRM32)
1825 break;
1826 err = __get_user(f->size, &uf->size);
1827 err |= __get_user(f->sect, &uf->sect);
1828 err |= __get_user(f->head, &uf->head);
1829 err |= __get_user(f->track, &uf->track);
1830 err |= __get_user(f->stretch, &uf->stretch);
1831 err |= __get_user(f->gap, &uf->gap);
1832 err |= __get_user(f->rate, &uf->rate);
1833 err |= __get_user(f->spec1, &uf->spec1);
1834 err |= __get_user(f->fmt_gap, &uf->fmt_gap);
1835 err |= __get_user(name, &uf->name);
1836 f->name = compat_ptr(name);
1837 if (err) {
1838 err = -EFAULT;
1839 goto out;
1840 }
1841 break;
1842 }
1843 case FDSETDRVPRM32:
1844 case FDGETDRVPRM32:
1845 {
1846 struct floppy_drive_params32 __user *uf;
1847 struct floppy_drive_params *f;
1848
1849 uf = compat_ptr(arg);
1850 f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL);
1851 if (!karg)
1852 return -ENOMEM;
1853 if (cmd == FDGETDRVPRM32)
1854 break;
1855 err = __get_user(f->cmos, &uf->cmos);
1856 err |= __get_user(f->max_dtr, &uf->max_dtr);
1857 err |= __get_user(f->hlt, &uf->hlt);
1858 err |= __get_user(f->hut, &uf->hut);
1859 err |= __get_user(f->srt, &uf->srt);
1860 err |= __get_user(f->spinup, &uf->spinup);
1861 err |= __get_user(f->spindown, &uf->spindown);
1862 err |= __get_user(f->spindown_offset, &uf->spindown_offset);
1863 err |= __get_user(f->select_delay, &uf->select_delay);
1864 err |= __get_user(f->rps, &uf->rps);
1865 err |= __get_user(f->tracks, &uf->tracks);
1866 err |= __get_user(f->timeout, &uf->timeout);
1867 err |= __get_user(f->interleave_sect, &uf->interleave_sect);
1868 err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors));
1869 err |= __get_user(f->flags, &uf->flags);
1870 err |= __get_user(f->read_track, &uf->read_track);
1871 err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect));
1872 err |= __get_user(f->checkfreq, &uf->checkfreq);
1873 err |= __get_user(f->native_format, &uf->native_format);
1874 if (err) {
1875 err = -EFAULT;
1876 goto out;
1877 }
1878 break;
1879 }
1880 case FDGETDRVSTAT32:
1881 case FDPOLLDRVSTAT32:
1882 karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL);
1883 if (!karg)
1884 return -ENOMEM;
1885 break;
1886 case FDGETFDCSTAT32:
1887 karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL);
1888 if (!karg)
1889 return -ENOMEM;
1890 break;
1891 case FDWERRORGET32:
1892 karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL);
1893 if (!karg)
1894 return -ENOMEM;
1895 break;
1896 default:
1897 return -EINVAL;
1898 }
1899 set_fs (KERNEL_DS);
1900 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
1901 set_fs (old_fs);
1902 if (err)
1903 goto out;
1904 switch (cmd) {
1905 case FDGETPRM32:
1906 {
1907 struct floppy_struct *f = karg;
1908 struct floppy_struct32 __user *uf = compat_ptr(arg);
1909
1910 err = __put_user(f->size, &uf->size);
1911 err |= __put_user(f->sect, &uf->sect);
1912 err |= __put_user(f->head, &uf->head);
1913 err |= __put_user(f->track, &uf->track);
1914 err |= __put_user(f->stretch, &uf->stretch);
1915 err |= __put_user(f->gap, &uf->gap);
1916 err |= __put_user(f->rate, &uf->rate);
1917 err |= __put_user(f->spec1, &uf->spec1);
1918 err |= __put_user(f->fmt_gap, &uf->fmt_gap);
1919 err |= __put_user((u64)f->name, (compat_caddr_t __user *)&uf->name);
1920 break;
1921 }
1922 case FDGETDRVPRM32:
1923 {
1924 struct floppy_drive_params32 __user *uf;
1925 struct floppy_drive_params *f = karg;
1926
1927 uf = compat_ptr(arg);
1928 err = __put_user(f->cmos, &uf->cmos);
1929 err |= __put_user(f->max_dtr, &uf->max_dtr);
1930 err |= __put_user(f->hlt, &uf->hlt);
1931 err |= __put_user(f->hut, &uf->hut);
1932 err |= __put_user(f->srt, &uf->srt);
1933 err |= __put_user(f->spinup, &uf->spinup);
1934 err |= __put_user(f->spindown, &uf->spindown);
1935 err |= __put_user(f->spindown_offset, &uf->spindown_offset);
1936 err |= __put_user(f->select_delay, &uf->select_delay);
1937 err |= __put_user(f->rps, &uf->rps);
1938 err |= __put_user(f->tracks, &uf->tracks);
1939 err |= __put_user(f->timeout, &uf->timeout);
1940 err |= __put_user(f->interleave_sect, &uf->interleave_sect);
1941 err |= __copy_to_user(&uf->max_errors, &f->max_errors, sizeof(f->max_errors));
1942 err |= __put_user(f->flags, &uf->flags);
1943 err |= __put_user(f->read_track, &uf->read_track);
1944 err |= __copy_to_user(uf->autodetect, f->autodetect, sizeof(f->autodetect));
1945 err |= __put_user(f->checkfreq, &uf->checkfreq);
1946 err |= __put_user(f->native_format, &uf->native_format);
1947 break;
1948 }
1949 case FDGETDRVSTAT32:
1950 case FDPOLLDRVSTAT32:
1951 {
1952 struct floppy_drive_struct32 __user *uf;
1953 struct floppy_drive_struct *f = karg;
1954
1955 uf = compat_ptr(arg);
1956 err = __put_user(f->flags, &uf->flags);
1957 err |= __put_user(f->spinup_date, &uf->spinup_date);
1958 err |= __put_user(f->select_date, &uf->select_date);
1959 err |= __put_user(f->first_read_date, &uf->first_read_date);
1960 err |= __put_user(f->probed_format, &uf->probed_format);
1961 err |= __put_user(f->track, &uf->track);
1962 err |= __put_user(f->maxblock, &uf->maxblock);
1963 err |= __put_user(f->maxtrack, &uf->maxtrack);
1964 err |= __put_user(f->generation, &uf->generation);
1965 err |= __put_user(f->keep_data, &uf->keep_data);
1966 err |= __put_user(f->fd_ref, &uf->fd_ref);
1967 err |= __put_user(f->fd_device, &uf->fd_device);
1968 err |= __put_user(f->last_checked, &uf->last_checked);
1969 err |= __put_user((u64)f->dmabuf, &uf->dmabuf);
1970 err |= __put_user((u64)f->bufblocks, &uf->bufblocks);
1971 break;
1972 }
1973 case FDGETFDCSTAT32:
1974 {
1975 struct floppy_fdc_state32 __user *uf;
1976 struct floppy_fdc_state *f = karg;
1977
1978 uf = compat_ptr(arg);
1979 err = __put_user(f->spec1, &uf->spec1);
1980 err |= __put_user(f->spec2, &uf->spec2);
1981 err |= __put_user(f->dtr, &uf->dtr);
1982 err |= __put_user(f->version, &uf->version);
1983 err |= __put_user(f->dor, &uf->dor);
1984 err |= __put_user(f->address, &uf->address);
1985 err |= __copy_to_user((char __user *)&uf->address + sizeof(uf->address),
1986 (char *)&f->address + sizeof(f->address), sizeof(int));
1987 err |= __put_user(f->driver_version, &uf->driver_version);
1988 err |= __copy_to_user(uf->track, f->track, sizeof(f->track));
1989 break;
1990 }
1991 case FDWERRORGET32:
1992 {
1993 struct floppy_write_errors32 __user *uf;
1994 struct floppy_write_errors *f = karg;
1995
1996 uf = compat_ptr(arg);
1997 err = __put_user(f->write_errors, &uf->write_errors);
1998 err |= __put_user(f->first_error_sector, &uf->first_error_sector);
1999 err |= __put_user(f->first_error_generation, &uf->first_error_generation);
2000 err |= __put_user(f->last_error_sector, &uf->last_error_sector);
2001 err |= __put_user(f->last_error_generation, &uf->last_error_generation);
2002 err |= __put_user(f->badness, &uf->badness);
2003 break;
2004 }
2005 default:
2006 break;
2007 }
2008 if (err)
2009 err = -EFAULT;
2010
2011 out:
2012 kfree(karg);
2013 return err;
2014 }
2015
2016 struct mtd_oob_buf32 {
2017 u_int32_t start;
2018 u_int32_t length;
2019 compat_caddr_t ptr; /* unsigned char* */
2020 };
2021
2022 #define MEMWRITEOOB32 _IOWR('M',3,struct mtd_oob_buf32)
2023 #define MEMREADOOB32 _IOWR('M',4,struct mtd_oob_buf32)
2024
2025 static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
2026 {
2027 struct mtd_oob_buf __user *buf = compat_alloc_user_space(sizeof(*buf));
2028 struct mtd_oob_buf32 __user *buf32 = compat_ptr(arg);
2029 u32 data;
2030 char __user *datap;
2031 unsigned int real_cmd;
2032 int err;
2033
2034 real_cmd = (cmd == MEMREADOOB32) ?
2035 MEMREADOOB : MEMWRITEOOB;
2036
2037 if (copy_in_user(&buf->start, &buf32->start,
2038 2 * sizeof(u32)) ||
2039 get_user(data, &buf32->ptr))
2040 return -EFAULT;
2041 datap = compat_ptr(data);
2042 if (put_user(datap, &buf->ptr))
2043 return -EFAULT;
2044
2045 err = sys_ioctl(fd, real_cmd, (unsigned long) buf);
2046
2047 if (!err) {
2048 if (copy_in_user(&buf32->start, &buf->start,
2049 2 * sizeof(u32)))
2050 err = -EFAULT;
2051 }
2052
2053 return err;
2054 }
2055
2056 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
2057 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
2058
2059 static long
2060 put_dirent32 (struct dirent *d, struct compat_dirent __user *d32)
2061 {
2062 if (!access_ok(VERIFY_WRITE, d32, sizeof(struct compat_dirent)))
2063 return -EFAULT;
2064
2065 __put_user(d->d_ino, &d32->d_ino);
2066 __put_user(d->d_off, &d32->d_off);
2067 __put_user(d->d_reclen, &d32->d_reclen);
2068 if (__copy_to_user(d32->d_name, d->d_name, d->d_reclen))
2069 return -EFAULT;
2070
2071 return 0;
2072 }
2073
2074 static int vfat_ioctl32(unsigned fd, unsigned cmd, unsigned long arg)
2075 {
2076 struct compat_dirent __user *p = compat_ptr(arg);
2077 int ret;
2078 mm_segment_t oldfs = get_fs();
2079 struct dirent d[2];
2080
2081 switch(cmd)
2082 {
2083 case VFAT_IOCTL_READDIR_BOTH32:
2084 cmd = VFAT_IOCTL_READDIR_BOTH;
2085 break;
2086 case VFAT_IOCTL_READDIR_SHORT32:
2087 cmd = VFAT_IOCTL_READDIR_SHORT;
2088 break;
2089 }
2090
2091 set_fs(KERNEL_DS);
2092 ret = sys_ioctl(fd,cmd,(unsigned long)&d);
2093 set_fs(oldfs);
2094 if (ret >= 0) {
2095 ret |= put_dirent32(&d[0], p);
2096 ret |= put_dirent32(&d[1], p + 1);
2097 }
2098 return ret;
2099 }
2100
2101 #define REISERFS_IOC_UNPACK32 _IOW(0xCD,1,int)
2102
2103 static int reiserfs_ioctl32(unsigned fd, unsigned cmd, unsigned long ptr)
2104 {
2105 if (cmd == REISERFS_IOC_UNPACK32)
2106 cmd = REISERFS_IOC_UNPACK;
2107
2108 return sys_ioctl(fd,cmd,ptr);
2109 }
2110
2111 struct raw32_config_request
2112 {
2113 compat_int_t raw_minor;
2114 __u64 block_major;
2115 __u64 block_minor;
2116 } __attribute__((packed));
2117
2118 static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
2119 {
2120 int ret;
2121
2122 if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
2123 return -EFAULT;
2124
2125 ret = __get_user(req->raw_minor, &user_req->raw_minor);
2126 ret |= __get_user(req->block_major, &user_req->block_major);
2127 ret |= __get_user(req->block_minor, &user_req->block_minor);
2128
2129 return ret ? -EFAULT : 0;
2130 }
2131
2132 static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
2133 {
2134 int ret;
2135
2136 if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
2137 return -EFAULT;
2138
2139 ret = __put_user(req->raw_minor, &user_req->raw_minor);
2140 ret |= __put_user(req->block_major, &user_req->block_major);
2141 ret |= __put_user(req->block_minor, &user_req->block_minor);
2142
2143 return ret ? -EFAULT : 0;
2144 }
2145
2146 static int raw_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2147 {
2148 int ret;
2149
2150 switch (cmd) {
2151 case RAW_SETBIND:
2152 case RAW_GETBIND: {
2153 struct raw_config_request req;
2154 struct raw32_config_request __user *user_req = compat_ptr(arg);
2155 mm_segment_t oldfs = get_fs();
2156
2157 if ((ret = get_raw32_request(&req, user_req)))
2158 return ret;
2159
2160 set_fs(KERNEL_DS);
2161 ret = sys_ioctl(fd,cmd,(unsigned long)&req);
2162 set_fs(oldfs);
2163
2164 if ((!ret) && (cmd == RAW_GETBIND)) {
2165 ret = set_raw32_request(&req, user_req);
2166 }
2167 break;
2168 }
2169 default:
2170 ret = sys_ioctl(fd, cmd, arg);
2171 break;
2172 }
2173 return ret;
2174 }
2175
2176 struct serial_struct32 {
2177 compat_int_t type;
2178 compat_int_t line;
2179 compat_uint_t port;
2180 compat_int_t irq;
2181 compat_int_t flags;
2182 compat_int_t xmit_fifo_size;
2183 compat_int_t custom_divisor;
2184 compat_int_t baud_base;
2185 unsigned short close_delay;
2186 char io_type;
2187 char reserved_char[1];
2188 compat_int_t hub6;
2189 unsigned short closing_wait; /* time to wait before closing */
2190 unsigned short closing_wait2; /* no longer used... */
2191 compat_uint_t iomem_base;
2192 unsigned short iomem_reg_shift;
2193 unsigned int port_high;
2194 /* compat_ulong_t iomap_base FIXME */
2195 compat_int_t reserved[1];
2196 };
2197
2198 static int serial_struct_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2199 {
2200 typedef struct serial_struct SS;
2201 typedef struct serial_struct32 SS32;
2202 struct serial_struct32 __user *ss32 = compat_ptr(arg);
2203 int err;
2204 struct serial_struct ss;
2205 mm_segment_t oldseg = get_fs();
2206 __u32 udata;
2207
2208 if (cmd == TIOCSSERIAL) {
2209 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
2210 return -EFAULT;
2211 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
2212 return -EFAULT;
2213 __get_user(udata, &ss32->iomem_base);
2214 ss.iomem_base = compat_ptr(udata);
2215 __get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
2216 __get_user(ss.port_high, &ss32->port_high);
2217 ss.iomap_base = 0UL;
2218 }
2219 set_fs(KERNEL_DS);
2220 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
2221 set_fs(oldseg);
2222 if (cmd == TIOCGSERIAL && err >= 0) {
2223 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
2224 return -EFAULT;
2225 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
2226 return -EFAULT;
2227 __put_user((unsigned long)ss.iomem_base >> 32 ?
2228 0xffffffff : (unsigned)(unsigned long)ss.iomem_base,
2229 &ss32->iomem_base);
2230 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
2231 __put_user(ss.port_high, &ss32->port_high);
2232
2233 }
2234 return err;
2235 }
2236
2237 struct usbdevfs_ctrltransfer32 {
2238 u8 bRequestType;
2239 u8 bRequest;
2240 u16 wValue;
2241 u16 wIndex;
2242 u16 wLength;
2243 u32 timeout; /* in milliseconds */
2244 compat_caddr_t data;
2245 };
2246
2247 #define USBDEVFS_CONTROL32 _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
2248
2249 static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long arg)
2250 {
2251 struct usbdevfs_ctrltransfer32 __user *p32 = compat_ptr(arg);
2252 struct usbdevfs_ctrltransfer __user *p;
2253 __u32 udata;
2254 p = compat_alloc_user_space(sizeof(*p));
2255 if (copy_in_user(p, p32, (sizeof(*p32) - sizeof(compat_caddr_t))) ||
2256 get_user(udata, &p32->data) ||
2257 put_user(compat_ptr(udata), &p->data))
2258 return -EFAULT;
2259 return sys_ioctl(fd, USBDEVFS_CONTROL, (unsigned long)p);
2260 }
2261
2262
2263 struct usbdevfs_bulktransfer32 {
2264 compat_uint_t ep;
2265 compat_uint_t len;
2266 compat_uint_t timeout; /* in milliseconds */
2267 compat_caddr_t data;
2268 };
2269
2270 #define USBDEVFS_BULK32 _IOWR('U', 2, struct usbdevfs_bulktransfer32)
2271
2272 static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg)
2273 {
2274 struct usbdevfs_bulktransfer32 __user *p32 = compat_ptr(arg);
2275 struct usbdevfs_bulktransfer __user *p;
2276 compat_uint_t n;
2277 compat_caddr_t addr;
2278
2279 p = compat_alloc_user_space(sizeof(*p));
2280
2281 if (get_user(n, &p32->ep) || put_user(n, &p->ep) ||
2282 get_user(n, &p32->len) || put_user(n, &p->len) ||
2283 get_user(n, &p32->timeout) || put_user(n, &p->timeout) ||
2284 get_user(addr, &p32->data) || put_user(compat_ptr(addr), &p->data))
2285 return -EFAULT;
2286
2287 return sys_ioctl(fd, USBDEVFS_BULK, (unsigned long)p);
2288 }
2289
2290
2291 /*
2292 * USBDEVFS_SUBMITURB, USBDEVFS_REAPURB and USBDEVFS_REAPURBNDELAY
2293 * are handled in usbdevfs core. -Christopher Li
2294 */
2295
2296 struct usbdevfs_disconnectsignal32 {
2297 compat_int_t signr;
2298 compat_caddr_t context;
2299 };
2300
2301 #define USBDEVFS_DISCSIGNAL32 _IOR('U', 14, struct usbdevfs_disconnectsignal32)
2302
2303 static int do_usbdevfs_discsignal(unsigned int fd, unsigned int cmd, unsigned long arg)
2304 {
2305 struct usbdevfs_disconnectsignal kdis;
2306 struct usbdevfs_disconnectsignal32 __user *udis;
2307 mm_segment_t old_fs;
2308 u32 uctx;
2309 int err;
2310
2311 udis = compat_ptr(arg);
2312
2313 if (get_user(kdis.signr, &udis->signr) ||
2314 __get_user(uctx, &udis->context))
2315 return -EFAULT;
2316
2317 kdis.context = compat_ptr(uctx);
2318
2319 old_fs = get_fs();
2320 set_fs(KERNEL_DS);
2321 err = sys_ioctl(fd, USBDEVFS_DISCSIGNAL, (unsigned long) &kdis);
2322 set_fs(old_fs);
2323
2324 return err;
2325 }
2326
2327 /*
2328 * I2C layer ioctls
2329 */
2330
2331 struct i2c_msg32 {
2332 u16 addr;
2333 u16 flags;
2334 u16 len;
2335 compat_caddr_t buf;
2336 };
2337
2338 struct i2c_rdwr_ioctl_data32 {
2339 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
2340 u32 nmsgs;
2341 };
2342
2343 struct i2c_smbus_ioctl_data32 {
2344 u8 read_write;
2345 u8 command;
2346 u32 size;
2347 compat_caddr_t data; /* union i2c_smbus_data *data */
2348 };
2349
2350 struct i2c_rdwr_aligned {
2351 struct i2c_rdwr_ioctl_data cmd;
2352 struct i2c_msg msgs[0];
2353 };
2354
2355 static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2356 {
2357 struct i2c_rdwr_ioctl_data32 __user *udata = compat_ptr(arg);
2358 struct i2c_rdwr_aligned __user *tdata;
2359 struct i2c_msg __user *tmsgs;
2360 struct i2c_msg32 __user *umsgs;
2361 compat_caddr_t datap;
2362 int nmsgs, i;
2363
2364 if (get_user(nmsgs, &udata->nmsgs))
2365 return -EFAULT;
2366 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
2367 return -EINVAL;
2368
2369 if (get_user(datap, &udata->msgs))
2370 return -EFAULT;
2371 umsgs = compat_ptr(datap);
2372
2373 tdata = compat_alloc_user_space(sizeof(*tdata) +
2374 nmsgs * sizeof(struct i2c_msg));
2375 tmsgs = &tdata->msgs[0];
2376
2377 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
2378 put_user(tmsgs, &tdata->cmd.msgs))
2379 return -EFAULT;
2380
2381 for (i = 0; i < nmsgs; i++) {
2382 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
2383 return -EFAULT;
2384 if (get_user(datap, &umsgs[i].buf) ||
2385 put_user(compat_ptr(datap), &tmsgs[i].buf))
2386 return -EFAULT;
2387 }
2388 return sys_ioctl(fd, cmd, (unsigned long)tdata);
2389 }
2390
2391 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2392 {
2393 struct i2c_smbus_ioctl_data __user *tdata;
2394 struct i2c_smbus_ioctl_data32 __user *udata;
2395 compat_caddr_t datap;
2396
2397 tdata = compat_alloc_user_space(sizeof(*tdata));
2398 if (tdata == NULL)
2399 return -ENOMEM;
2400 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
2401 return -EFAULT;
2402
2403 udata = compat_ptr(arg);
2404 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
2405 return -EFAULT;
2406
2407 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
2408 return -EFAULT;
2409 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
2410 return -EFAULT;
2411 if (__get_user(datap, &udata->data) ||
2412 __put_user(compat_ptr(datap), &tdata->data))
2413 return -EFAULT;
2414
2415 return sys_ioctl(fd, cmd, (unsigned long)tdata);
2416 }
2417
2418 struct compat_iw_point {
2419 compat_caddr_t pointer;
2420 __u16 length;
2421 __u16 flags;
2422 };
2423
2424 static int do_wireless_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2425 {
2426 struct iwreq __user *iwr;
2427 struct iwreq __user *iwr_u;
2428 struct iw_point __user *iwp;
2429 struct compat_iw_point __user *iwp_u;
2430 compat_caddr_t pointer;
2431 __u16 length, flags;
2432
2433 iwr_u = compat_ptr(arg);
2434 iwp_u = (struct compat_iw_point __user *) &iwr_u->u.data;
2435 iwr = compat_alloc_user_space(sizeof(*iwr));
2436 if (iwr == NULL)
2437 return -ENOMEM;
2438
2439 iwp = &iwr->u.data;
2440
2441 if (!access_ok(VERIFY_WRITE, iwr, sizeof(*iwr)))
2442 return -EFAULT;
2443
2444 if (__copy_in_user(&iwr->ifr_ifrn.ifrn_name[0],
2445 &iwr_u->ifr_ifrn.ifrn_name[0],
2446 sizeof(iwr->ifr_ifrn.ifrn_name)))
2447 return -EFAULT;
2448
2449 if (__get_user(pointer, &iwp_u->pointer) ||
2450 __get_user(length, &iwp_u->length) ||
2451 __get_user(flags, &iwp_u->flags))
2452 return -EFAULT;
2453
2454 if (__put_user(compat_ptr(pointer), &iwp->pointer) ||
2455 __put_user(length, &iwp->length) ||
2456 __put_user(flags, &iwp->flags))
2457 return -EFAULT;
2458
2459 return sys_ioctl(fd, cmd, (unsigned long) iwr);
2460 }
2461
2462 /* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
2463 * for some operations; this forces use of the newer bridge-utils that
2464 * use compatiable ioctls
2465 */
2466 static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2467 {
2468 u32 tmp;
2469
2470 if (get_user(tmp, (u32 __user *) arg))
2471 return -EFAULT;
2472 if (tmp == BRCTL_GET_VERSION)
2473 return BRCTL_VERSION + 1;
2474 return -EINVAL;
2475 }
2476
2477 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
2478 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
2479 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
2480 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
2481
2482 static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2483 {
2484 mm_segment_t oldfs = get_fs();
2485 compat_ulong_t val32;
2486 unsigned long kval;
2487 int ret;
2488
2489 switch (cmd) {
2490 case RTC_IRQP_READ32:
2491 case RTC_EPOCH_READ32:
2492 set_fs(KERNEL_DS);
2493 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
2494 RTC_IRQP_READ : RTC_EPOCH_READ,
2495 (unsigned long)&kval);
2496 set_fs(oldfs);
2497 if (ret)
2498 return ret;
2499 val32 = kval;
2500 return put_user(val32, (unsigned int __user *)arg);
2501 case RTC_IRQP_SET32:
2502 return sys_ioctl(fd, RTC_IRQP_SET, arg);
2503 case RTC_EPOCH_SET32:
2504 return sys_ioctl(fd, RTC_EPOCH_SET, arg);
2505 default:
2506 /* unreached */
2507 return -ENOIOCTLCMD;
2508 }
2509 }
2510
2511 #if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
2512 struct ncp_ioctl_request_32 {
2513 u32 function;
2514 u32 size;
2515 compat_caddr_t data;
2516 };
2517
2518 struct ncp_fs_info_v2_32 {
2519 s32 version;
2520 u32 mounted_uid;
2521 u32 connection;
2522 u32 buffer_size;
2523
2524 u32 volume_number;
2525 u32 directory_id;
2526
2527 u32 dummy1;
2528 u32 dummy2;
2529 u32 dummy3;
2530 };
2531
2532 struct ncp_objectname_ioctl_32
2533 {
2534 s32 auth_type;
2535 u32 object_name_len;
2536 compat_caddr_t object_name; /* an userspace data, in most cases user name */
2537 };
2538
2539 struct ncp_privatedata_ioctl_32
2540 {
2541 u32 len;
2542 compat_caddr_t data; /* ~1000 for NDS */
2543 };
2544
2545 #define NCP_IOC_NCPREQUEST_32 _IOR('n', 1, struct ncp_ioctl_request_32)
2546 #define NCP_IOC_GETMOUNTUID2_32 _IOW('n', 2, u32)
2547 #define NCP_IOC_GET_FS_INFO_V2_32 _IOWR('n', 4, struct ncp_fs_info_v2_32)
2548 #define NCP_IOC_GETOBJECTNAME_32 _IOWR('n', 9, struct ncp_objectname_ioctl_32)
2549 #define NCP_IOC_SETOBJECTNAME_32 _IOR('n', 9, struct ncp_objectname_ioctl_32)
2550 #define NCP_IOC_GETPRIVATEDATA_32 _IOWR('n', 10, struct ncp_privatedata_ioctl_32)
2551 #define NCP_IOC_SETPRIVATEDATA_32 _IOR('n', 10, struct ncp_privatedata_ioctl_32)
2552
2553 static int do_ncp_ncprequest(unsigned int fd, unsigned int cmd, unsigned long arg)
2554 {
2555 struct ncp_ioctl_request_32 n32;
2556 struct ncp_ioctl_request __user *p = compat_alloc_user_space(sizeof(*p));
2557
2558 if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)) ||
2559 put_user(n32.function, &p->function) ||
2560 put_user(n32.size, &p->size) ||
2561 put_user(compat_ptr(n32.data), &p->data))
2562 return -EFAULT;
2563
2564 return sys_ioctl(fd, NCP_IOC_NCPREQUEST, (unsigned long)p);
2565 }
2566
2567 static int do_ncp_getmountuid2(unsigned int fd, unsigned int cmd, unsigned long arg)
2568 {
2569 mm_segment_t old_fs = get_fs();
2570 __kernel_uid_t kuid;
2571 int err;
2572
2573 cmd = NCP_IOC_GETMOUNTUID2;
2574
2575 set_fs(KERNEL_DS);
2576 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
2577 set_fs(old_fs);
2578
2579 if (!err)
2580 err = put_user(kuid,
2581 (unsigned int __user *) compat_ptr(arg));
2582
2583 return err;
2584 }
2585
2586 static int do_ncp_getfsinfo2(unsigned int fd, unsigned int cmd, unsigned long arg)
2587 {
2588 mm_segment_t old_fs = get_fs();
2589 struct ncp_fs_info_v2_32 n32;
2590 struct ncp_fs_info_v2 n;
2591 int err;
2592
2593 if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)))
2594 return -EFAULT;
2595 if (n32.version != NCP_GET_FS_INFO_VERSION_V2)
2596 return -EINVAL;
2597 n.version = NCP_GET_FS_INFO_VERSION_V2;
2598
2599 set_fs(KERNEL_DS);
2600 err = sys_ioctl(fd, NCP_IOC_GET_FS_INFO_V2, (unsigned long)&n);
2601 set_fs(old_fs);
2602
2603 if (!err) {
2604 n32.version = n.version;
2605 n32.mounted_uid = n.mounted_uid;
2606 n32.connection = n.connection;
2607 n32.buffer_size = n.buffer_size;
2608 n32.volume_number = n.volume_number;
2609 n32.directory_id = n.directory_id;
2610 n32.dummy1 = n.dummy1;
2611 n32.dummy2 = n.dummy2;
2612 n32.dummy3 = n.dummy3;
2613 err = copy_to_user(compat_ptr(arg), &n32, sizeof(n32)) ? -EFAULT : 0;
2614 }
2615 return err;
2616 }
2617
2618 static int do_ncp_getobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
2619 {
2620 struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2621 struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));
2622 s32 auth_type;
2623 u32 name_len;
2624 int err;
2625
2626 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2627 put_user(n32.object_name_len, &p->object_name_len) ||
2628 put_user(compat_ptr(n32.object_name), &p->object_name))
2629 return -EFAULT;
2630
2631 err = sys_ioctl(fd, NCP_IOC_GETOBJECTNAME, (unsigned long)p);
2632 if (err)
2633 return err;
2634
2635 if (get_user(auth_type, &p->auth_type) ||
2636 put_user(auth_type, &p32->auth_type) ||
2637 get_user(name_len, &p->object_name_len) ||
2638 put_user(name_len, &p32->object_name_len))
2639 return -EFAULT;
2640
2641 return 0;
2642 }
2643
2644 static int do_ncp_setobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
2645 {
2646 struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2647 struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));
2648
2649 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2650 put_user(n32.auth_type, &p->auth_type) ||
2651 put_user(n32.object_name_len, &p->object_name_len) ||
2652 put_user(compat_ptr(n32.object_name), &p->object_name))
2653 return -EFAULT;
2654
2655 return sys_ioctl(fd, NCP_IOC_SETOBJECTNAME, (unsigned long)p);
2656 }
2657
2658 static int do_ncp_getprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
2659 {
2660 struct ncp_privatedata_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2661 struct ncp_privatedata_ioctl __user *p =
2662 compat_alloc_user_space(sizeof(*p));
2663 u32 len;
2664 int err;
2665
2666 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2667 put_user(n32.len, &p->len) ||
2668 put_user(compat_ptr(n32.data), &p->data))
2669 return -EFAULT;
2670
2671 err = sys_ioctl(fd, NCP_IOC_GETPRIVATEDATA, (unsigned long)p);
2672 if (err)
2673 return err;
2674
2675 if (get_user(len, &p->len) ||
2676 put_user(len, &p32->len))
2677 return -EFAULT;
2678
2679 return 0;
2680 }
2681
2682 static int do_ncp_setprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
2683 {
2684 struct ncp_privatedata_ioctl_32 n32;
2685 struct ncp_privatedata_ioctl_32 __user *p32 = compat_ptr(arg);
2686 struct ncp_privatedata_ioctl __user *p =
2687 compat_alloc_user_space(sizeof(*p));
2688
2689 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2690 put_user(n32.len, &p->len) ||
2691 put_user(compat_ptr(n32.data), &p->data))
2692 return -EFAULT;
2693
2694 return sys_ioctl(fd, NCP_IOC_SETPRIVATEDATA, (unsigned long)p);
2695 }
2696 #endif
2697
2698 static int
2699 lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
2700 {
2701 struct compat_timeval __user *tc = (struct compat_timeval __user *)arg;
2702 struct timeval __user *tn = compat_alloc_user_space(sizeof(struct timeval));
2703 struct timeval ts;
2704 if (get_user(ts.tv_sec, &tc->tv_sec) ||
2705 get_user(ts.tv_usec, &tc->tv_usec) ||
2706 put_user(ts.tv_sec, &tn->tv_sec) ||
2707 put_user(ts.tv_usec, &tn->tv_usec))
2708 return -EFAULT;
2709 return sys_ioctl(fd, cmd, (unsigned long)tn);
2710 }
2711
2712 #define HANDLE_IOCTL(cmd,handler) \
2713 { (cmd), (ioctl_trans_handler_t)(handler) },
2714
2715 /* pointer to compatible structure or no argument */
2716 #define COMPATIBLE_IOCTL(cmd) \
2717 { (cmd), do_ioctl32_pointer },
2718
2719 /* argument is an unsigned long integer, not a pointer */
2720 #define ULONG_IOCTL(cmd) \
2721 { (cmd), (ioctl_trans_handler_t)sys_ioctl },
2722
2723
2724 struct ioctl_trans ioctl_start[] = {
2725 #include <linux/compat_ioctl.h>
2726 HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob)
2727 HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob)
2728 #ifdef CONFIG_NET
2729 HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
2730 HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
2731 HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
2732 HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
2733 HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
2734 HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
2735 HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
2736 HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
2737 HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
2738 HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
2739 HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
2740 HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
2741 HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
2742 HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
2743 HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
2744 HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
2745 HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
2746 HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
2747 HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
2748
2749 /* ioctls used by appletalk ddp.c */
2750 HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
2751 HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
2752 HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
2753 HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
2754
2755 HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
2756 HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
2757 HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
2758 HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
2759 HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
2760 HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
2761 HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
2762 HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
2763 HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
2764 HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
2765 HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
2766 HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
2767 HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
2768 HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
2769 HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
2770 HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
2771 HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
2772 HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
2773 HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
2774 HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
2775 HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
2776 HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
2777 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
2778 HANDLE_IOCTL(SIOCRTMSG, ret_einval)
2779 HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
2780 #endif
2781 HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo)
2782 HANDLE_IOCTL(BLKRAGET, w_long)
2783 HANDLE_IOCTL(BLKGETSIZE, w_long)
2784 HANDLE_IOCTL(0x1260, broken_blkgetsize)
2785 HANDLE_IOCTL(BLKFRAGET, w_long)
2786 HANDLE_IOCTL(BLKSECTGET, w_long)
2787 HANDLE_IOCTL(BLKPG, blkpg_ioctl_trans)
2788 HANDLE_IOCTL(HDIO_GET_KEEPSETTINGS, hdio_ioctl_trans)
2789 HANDLE_IOCTL(HDIO_GET_UNMASKINTR, hdio_ioctl_trans)
2790 HANDLE_IOCTL(HDIO_GET_DMA, hdio_ioctl_trans)
2791 HANDLE_IOCTL(HDIO_GET_32BIT, hdio_ioctl_trans)
2792 HANDLE_IOCTL(HDIO_GET_MULTCOUNT, hdio_ioctl_trans)
2793 HANDLE_IOCTL(HDIO_GET_NOWERR, hdio_ioctl_trans)
2794 HANDLE_IOCTL(HDIO_GET_NICE, hdio_ioctl_trans)
2795 HANDLE_IOCTL(FDSETPRM32, fd_ioctl_trans)
2796 HANDLE_IOCTL(FDDEFPRM32, fd_ioctl_trans)
2797 HANDLE_IOCTL(FDGETPRM32, fd_ioctl_trans)
2798 HANDLE_IOCTL(FDSETDRVPRM32, fd_ioctl_trans)
2799 HANDLE_IOCTL(FDGETDRVPRM32, fd_ioctl_trans)
2800 HANDLE_IOCTL(FDGETDRVSTAT32, fd_ioctl_trans)
2801 HANDLE_IOCTL(FDPOLLDRVSTAT32, fd_ioctl_trans)
2802 HANDLE_IOCTL(FDGETFDCSTAT32, fd_ioctl_trans)
2803 HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans)
2804 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
2805 HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans)
2806 HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans)
2807 HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans)
2808 HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans)
2809 HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans)
2810 HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans)
2811 HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans)
2812 HANDLE_IOCTL(CDROMREADAUDIO, cdrom_ioctl_trans)
2813 HANDLE_IOCTL(CDROM_SEND_PACKET, cdrom_ioctl_trans)
2814 HANDLE_IOCTL(LOOP_SET_STATUS, loop_status)
2815 HANDLE_IOCTL(LOOP_GET_STATUS, loop_status)
2816 #define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
2817 HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout)
2818 #ifdef CONFIG_VT
2819 HANDLE_IOCTL(PIO_FONTX, do_fontx_ioctl)
2820 HANDLE_IOCTL(GIO_FONTX, do_fontx_ioctl)
2821 HANDLE_IOCTL(PIO_UNIMAP, do_unimap_ioctl)
2822 HANDLE_IOCTL(GIO_UNIMAP, do_unimap_ioctl)
2823 HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
2824 #endif
2825 HANDLE_IOCTL(EXT2_IOC32_GETFLAGS, do_ext2_ioctl)
2826 HANDLE_IOCTL(EXT2_IOC32_SETFLAGS, do_ext2_ioctl)
2827 HANDLE_IOCTL(EXT2_IOC32_GETVERSION, do_ext2_ioctl)
2828 HANDLE_IOCTL(EXT2_IOC32_SETVERSION, do_ext2_ioctl)
2829 HANDLE_IOCTL(EXT3_IOC32_GETVERSION, do_ext3_ioctl)
2830 HANDLE_IOCTL(EXT3_IOC32_SETVERSION, do_ext3_ioctl)
2831 HANDLE_IOCTL(EXT3_IOC32_GETRSVSZ, do_ext3_ioctl)
2832 HANDLE_IOCTL(EXT3_IOC32_SETRSVSZ, do_ext3_ioctl)
2833 HANDLE_IOCTL(EXT3_IOC32_GROUP_EXTEND, do_ext3_ioctl)
2834 COMPATIBLE_IOCTL(EXT3_IOC_GROUP_ADD)
2835 #ifdef CONFIG_JBD_DEBUG
2836 HANDLE_IOCTL(EXT3_IOC32_WAIT_FOR_READONLY, do_ext3_ioctl)
2837 #endif
2838 /* One SMB ioctl needs translations. */
2839 #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
2840 HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)
2841 HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
2842 HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
2843 HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
2844 HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
2845 HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
2846 HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
2847 HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
2848 HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
2849 HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
2850 HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
2851 HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
2852 HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
2853 HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
2854 HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
2855 HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
2856 HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
2857 HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
2858 HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
2859 HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
2860 HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
2861 HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
2862 HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
2863 HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
2864 HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
2865 HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
2866 /* block stuff */
2867 HANDLE_IOCTL(BLKBSZGET_32, do_blkbszget)
2868 HANDLE_IOCTL(BLKBSZSET_32, do_blkbszset)
2869 HANDLE_IOCTL(BLKGETSIZE64_32, do_blkgetsize64)
2870 /* vfat */
2871 HANDLE_IOCTL(VFAT_IOCTL_READDIR_BOTH32, vfat_ioctl32)
2872 HANDLE_IOCTL(VFAT_IOCTL_READDIR_SHORT32, vfat_ioctl32)
2873 HANDLE_IOCTL(REISERFS_IOC_UNPACK32, reiserfs_ioctl32)
2874 /* Raw devices */
2875 HANDLE_IOCTL(RAW_SETBIND, raw_ioctl)
2876 HANDLE_IOCTL(RAW_GETBIND, raw_ioctl)
2877 /* Serial */
2878 HANDLE_IOCTL(TIOCGSERIAL, serial_struct_ioctl)
2879 HANDLE_IOCTL(TIOCSSERIAL, serial_struct_ioctl)
2880 #ifdef TIOCGLTC
2881 COMPATIBLE_IOCTL(TIOCGLTC)
2882 COMPATIBLE_IOCTL(TIOCSLTC)
2883 #endif
2884 #ifdef TIOCSTART
2885 /*
2886 * For these two we have defintions in ioctls.h and/or termios.h on
2887 * some architectures but no actual implemention. Some applications
2888 * like bash call them if they are defined in the headers, so we provide
2889 * entries here to avoid syslog message spew.
2890 */
2891 COMPATIBLE_IOCTL(TIOCSTART)
2892 COMPATIBLE_IOCTL(TIOCSTOP)
2893 #endif
2894 /* Usbdevfs */
2895 HANDLE_IOCTL(USBDEVFS_CONTROL32, do_usbdevfs_control)
2896 HANDLE_IOCTL(USBDEVFS_BULK32, do_usbdevfs_bulk)
2897 HANDLE_IOCTL(USBDEVFS_DISCSIGNAL32, do_usbdevfs_discsignal)
2898 COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
2899 /* i2c */
2900 HANDLE_IOCTL(I2C_FUNCS, w_long)
2901 HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
2902 HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
2903 /* wireless */
2904 HANDLE_IOCTL(SIOCGIWRANGE, do_wireless_ioctl)
2905 HANDLE_IOCTL(SIOCSIWSPY, do_wireless_ioctl)
2906 HANDLE_IOCTL(SIOCGIWSPY, do_wireless_ioctl)
2907 HANDLE_IOCTL(SIOCSIWTHRSPY, do_wireless_ioctl)
2908 HANDLE_IOCTL(SIOCGIWTHRSPY, do_wireless_ioctl)
2909 HANDLE_IOCTL(SIOCGIWAPLIST, do_wireless_ioctl)
2910 HANDLE_IOCTL(SIOCGIWSCAN, do_wireless_ioctl)
2911 HANDLE_IOCTL(SIOCSIWESSID, do_wireless_ioctl)
2912 HANDLE_IOCTL(SIOCGIWESSID, do_wireless_ioctl)
2913 HANDLE_IOCTL(SIOCSIWNICKN, do_wireless_ioctl)
2914 HANDLE_IOCTL(SIOCGIWNICKN, do_wireless_ioctl)
2915 HANDLE_IOCTL(SIOCSIWENCODE, do_wireless_ioctl)
2916 HANDLE_IOCTL(SIOCGIWENCODE, do_wireless_ioctl)
2917 HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
2918 HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
2919 HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
2920 HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
2921 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
2922 HANDLE_IOCTL(RTC_EPOCH_SET32, rtc_ioctl)
2923
2924 #if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
2925 HANDLE_IOCTL(NCP_IOC_NCPREQUEST_32, do_ncp_ncprequest)
2926 HANDLE_IOCTL(NCP_IOC_GETMOUNTUID2_32, do_ncp_getmountuid2)
2927 HANDLE_IOCTL(NCP_IOC_GET_FS_INFO_V2_32, do_ncp_getfsinfo2)
2928 HANDLE_IOCTL(NCP_IOC_GETOBJECTNAME_32, do_ncp_getobjectname)
2929 HANDLE_IOCTL(NCP_IOC_SETOBJECTNAME_32, do_ncp_setobjectname)
2930 HANDLE_IOCTL(NCP_IOC_GETPRIVATEDATA_32, do_ncp_getprivatedata)
2931 HANDLE_IOCTL(NCP_IOC_SETPRIVATEDATA_32, do_ncp_setprivatedata)
2932 #endif
2933
2934 /* dvb */
2935 HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event)
2936 HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture)
2937 HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette)
2938
2939 /* parport */
2940 COMPATIBLE_IOCTL(LPTIME)
2941 COMPATIBLE_IOCTL(LPCHAR)
2942 COMPATIBLE_IOCTL(LPABORTOPEN)
2943 COMPATIBLE_IOCTL(LPCAREFUL)
2944 COMPATIBLE_IOCTL(LPWAIT)
2945 COMPATIBLE_IOCTL(LPSETIRQ)
2946 COMPATIBLE_IOCTL(LPGETSTATUS)
2947 COMPATIBLE_IOCTL(LPGETSTATUS)
2948 COMPATIBLE_IOCTL(LPRESET)
2949 /*LPGETSTATS not implemented, but no kernels seem to compile it in anyways*/
2950 COMPATIBLE_IOCTL(LPGETFLAGS)
2951 HANDLE_IOCTL(LPSETTIMEOUT, lp_timeout_trans)
2952 };
2953
2954 int ioctl_table_size = ARRAY_SIZE(ioctl_start);
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