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Merge branch 'block' of git://brick.kernel.dk/data/git/linux-2.6-block
[linux-2.6/cjktty.git] / fs / compat_ioctl.c
blob64b34533edea67e2ed28f0c85fa406d3135de23c
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/types.h>
14 #include <linux/compat.h>
15 #include <linux/kernel.h>
16 #include <linux/capability.h>
17 #include <linux/compiler.h>
18 #include <linux/sched.h>
19 #include <linux/smp.h>
20 #include <linux/smp_lock.h>
21 #include <linux/ioctl.h>
22 #include <linux/if.h>
23 #include <linux/if_bridge.h>
24 #include <linux/slab.h>
25 #include <linux/hdreg.h>
26 #include <linux/raid/md.h>
27 #include <linux/kd.h>
28 #include <linux/dirent.h>
29 #include <linux/route.h>
30 #include <linux/in6.h>
31 #include <linux/ipv6_route.h>
32 #include <linux/skbuff.h>
33 #include <linux/netlink.h>
34 #include <linux/vt.h>
35 #include <linux/fs.h>
36 #include <linux/file.h>
37 #include <linux/fd.h>
38 #include <linux/ppp_defs.h>
39 #include <linux/if_ppp.h>
40 #include <linux/if_pppox.h>
41 #include <linux/mtio.h>
42 #include <linux/cdrom.h>
43 #include <linux/auto_fs.h>
44 #include <linux/auto_fs4.h>
45 #include <linux/tty.h>
46 #include <linux/vt_kern.h>
47 #include <linux/fb.h>
48 #include <linux/videodev.h>
49 #include <linux/netdevice.h>
50 #include <linux/raw.h>
51 #include <linux/smb_fs.h>
52 #include <linux/blkpg.h>
53 #include <linux/blkdev.h>
54 #include <linux/elevator.h>
55 #include <linux/rtc.h>
56 #include <linux/pci.h>
57 #include <linux/module.h>
58 #include <linux/serial.h>
59 #include <linux/if_tun.h>
60 #include <linux/ctype.h>
61 #include <linux/ioctl32.h>
62 #include <linux/syscalls.h>
63 #include <linux/ncp_fs.h>
64 #include <linux/i2c.h>
65 #include <linux/i2c-dev.h>
66 #include <linux/wireless.h>
67 #include <linux/atalk.h>
68 #include <linux/blktrace_api.h>
69
70 #include <net/sock.h> /* siocdevprivate_ioctl */
71 #include <net/bluetooth/bluetooth.h>
72 #include <net/bluetooth/hci.h>
73 #include <net/bluetooth/rfcomm.h>
74
75 #include <linux/capi.h>
76 #include <linux/gigaset_dev.h>
77
78 #include <scsi/scsi.h>
79 #include <scsi/scsi_ioctl.h>
80 #include <scsi/sg.h>
81
82 #include <asm/uaccess.h>
83 #include <linux/ethtool.h>
84 #include <linux/mii.h>
85 #include <linux/if_bonding.h>
86 #include <linux/watchdog.h>
87 #include <linux/dm-ioctl.h>
88
89 #include <linux/soundcard.h>
90 #include <linux/lp.h>
91 #include <linux/ppdev.h>
92
93 #include <linux/atm.h>
94 #include <linux/atmarp.h>
95 #include <linux/atmclip.h>
96 #include <linux/atmdev.h>
97 #include <linux/atmioc.h>
98 #include <linux/atmlec.h>
99 #include <linux/atmmpc.h>
100 #include <linux/atmsvc.h>
101 #include <linux/atm_tcp.h>
102 #include <linux/sonet.h>
103 #include <linux/atm_suni.h>
104 #include <linux/mtd/mtd.h>
105
106 #include <linux/usb.h>
107 #include <linux/usbdevice_fs.h>
108 #include <linux/nbd.h>
109 #include <linux/random.h>
110 #include <linux/filter.h>
111 #include <linux/pktcdvd.h>
112
113 #include <linux/hiddev.h>
114
115 #include <linux/dvb/audio.h>
116 #include <linux/dvb/dmx.h>
117 #include <linux/dvb/frontend.h>
118 #include <linux/dvb/video.h>
119 #include <linux/lp.h>
120
121 static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
122 unsigned long arg, struct file *f)
123 {
124 return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
125 }
126
127 static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg)
128 {
129 mm_segment_t old_fs = get_fs();
130 int err;
131 unsigned long val;
132
133 set_fs (KERNEL_DS);
134 err = sys_ioctl(fd, cmd, (unsigned long)&val);
135 set_fs (old_fs);
136 if (!err && put_user(val, (u32 __user *)compat_ptr(arg)))
137 return -EFAULT;
138 return err;
139 }
140
141 static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg)
142 {
143 mm_segment_t old_fs = get_fs();
144 u32 __user *argptr = compat_ptr(arg);
145 int err;
146 unsigned long val;
147
148 if(get_user(val, argptr))
149 return -EFAULT;
150 set_fs (KERNEL_DS);
151 err = sys_ioctl(fd, cmd, (unsigned long)&val);
152 set_fs (old_fs);
153 if (!err && put_user(val, argptr))
154 return -EFAULT;
155 return err;
156 }
157
158 struct compat_video_event {
159 int32_t type;
160 compat_time_t timestamp;
161 union {
162 video_size_t size;
163 unsigned int frame_rate;
164 } u;
165 };
166
167 static int do_video_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
168 {
169 struct video_event kevent;
170 mm_segment_t old_fs = get_fs();
171 int err;
172
173 set_fs(KERNEL_DS);
174 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
175 set_fs(old_fs);
176
177 if (!err) {
178 struct compat_video_event __user *up = compat_ptr(arg);
179
180 err = put_user(kevent.type, &up->type);
181 err |= put_user(kevent.timestamp, &up->timestamp);
182 err |= put_user(kevent.u.size.w, &up->u.size.w);
183 err |= put_user(kevent.u.size.h, &up->u.size.h);
184 err |= put_user(kevent.u.size.aspect_ratio,
185 &up->u.size.aspect_ratio);
186 if (err)
187 err = -EFAULT;
188 }
189
190 return err;
191 }
192
193 struct compat_video_still_picture {
194 compat_uptr_t iFrame;
195 int32_t size;
196 };
197
198 static int do_video_stillpicture(unsigned int fd, unsigned int cmd, unsigned long arg)
199 {
200 struct compat_video_still_picture __user *up;
201 struct video_still_picture __user *up_native;
202 compat_uptr_t fp;
203 int32_t size;
204 int err;
205
206 up = (struct compat_video_still_picture __user *) arg;
207 err = get_user(fp, &up->iFrame);
208 err |= get_user(size, &up->size);
209 if (err)
210 return -EFAULT;
211
212 up_native =
213 compat_alloc_user_space(sizeof(struct video_still_picture));
214
215 put_user(compat_ptr(fp), &up_native->iFrame);
216 put_user(size, &up_native->size);
217
218 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
219
220 return err;
221 }
222
223 struct compat_video_spu_palette {
224 int length;
225 compat_uptr_t palette;
226 };
227
228 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned long arg)
229 {
230 struct compat_video_spu_palette __user *up;
231 struct video_spu_palette __user *up_native;
232 compat_uptr_t palp;
233 int length, err;
234
235 up = (struct compat_video_spu_palette __user *) arg;
236 err = get_user(palp, &up->palette);
237 err |= get_user(length, &up->length);
238
239 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
240 put_user(compat_ptr(palp), &up_native->palette);
241 put_user(length, &up_native->length);
242
243 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
244
245 return err;
246 }
247
248 #ifdef CONFIG_NET
249 static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
250 {
251 struct compat_timeval __user *up = compat_ptr(arg);
252 struct timeval ktv;
253 mm_segment_t old_fs = get_fs();
254 int err;
255
256 set_fs(KERNEL_DS);
257 err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
258 set_fs(old_fs);
259 if(!err) {
260 err = put_user(ktv.tv_sec, &up->tv_sec);
261 err |= __put_user(ktv.tv_usec, &up->tv_usec);
262 }
263 return err;
264 }
265
266 struct ifmap32 {
267 compat_ulong_t mem_start;
268 compat_ulong_t mem_end;
269 unsigned short base_addr;
270 unsigned char irq;
271 unsigned char dma;
272 unsigned char port;
273 };
274
275 struct ifreq32 {
276 #define IFHWADDRLEN 6
277 #define IFNAMSIZ 16
278 union {
279 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
280 } ifr_ifrn;
281 union {
282 struct sockaddr ifru_addr;
283 struct sockaddr ifru_dstaddr;
284 struct sockaddr ifru_broadaddr;
285 struct sockaddr ifru_netmask;
286 struct sockaddr ifru_hwaddr;
287 short ifru_flags;
288 compat_int_t ifru_ivalue;
289 compat_int_t ifru_mtu;
290 struct ifmap32 ifru_map;
291 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
292 char ifru_newname[IFNAMSIZ];
293 compat_caddr_t ifru_data;
294 /* XXXX? ifru_settings should be here */
295 } ifr_ifru;
296 };
297
298 struct ifconf32 {
299 compat_int_t ifc_len; /* size of buffer */
300 compat_caddr_t ifcbuf;
301 };
302
303 static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
304 {
305 struct net_device *dev;
306 struct ifreq32 ifr32;
307 int err;
308
309 if (copy_from_user(&ifr32, compat_ptr(arg), sizeof(ifr32)))
310 return -EFAULT;
311
312 dev = dev_get_by_index(ifr32.ifr_ifindex);
313 if (!dev)
314 return -ENODEV;
315
316 strlcpy(ifr32.ifr_name, dev->name, sizeof(ifr32.ifr_name));
317 dev_put(dev);
318
319 err = copy_to_user(compat_ptr(arg), &ifr32, sizeof(ifr32));
320 return (err ? -EFAULT : 0);
321 }
322
323 static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
324 {
325 struct ifconf32 ifc32;
326 struct ifconf ifc;
327 struct ifconf __user *uifc;
328 struct ifreq32 __user *ifr32;
329 struct ifreq __user *ifr;
330 unsigned int i, j;
331 int err;
332
333 if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
334 return -EFAULT;
335
336 if (ifc32.ifcbuf == 0) {
337 ifc32.ifc_len = 0;
338 ifc.ifc_len = 0;
339 ifc.ifc_req = NULL;
340 uifc = compat_alloc_user_space(sizeof(struct ifconf));
341 } else {
342 size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
343 sizeof (struct ifreq);
344 uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
345 ifc.ifc_len = len;
346 ifr = ifc.ifc_req = (void __user *)(uifc + 1);
347 ifr32 = compat_ptr(ifc32.ifcbuf);
348 for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
349 if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
350 return -EFAULT;
351 ifr++;
352 ifr32++;
353 }
354 }
355 if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
356 return -EFAULT;
357
358 err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);
359 if (err)
360 return err;
361
362 if (copy_from_user(&ifc, uifc, sizeof(struct ifconf)))
363 return -EFAULT;
364
365 ifr = ifc.ifc_req;
366 ifr32 = compat_ptr(ifc32.ifcbuf);
367 for (i = 0, j = 0;
368 i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
369 i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
370 if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
371 return -EFAULT;
372 ifr32++;
373 ifr++;
374 }
375
376 if (ifc32.ifcbuf == 0) {
377 /* Translate from 64-bit structure multiple to
378 * a 32-bit one.
379 */
380 i = ifc.ifc_len;
381 i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
382 ifc32.ifc_len = i;
383 } else {
384 ifc32.ifc_len = i;
385 }
386 if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
387 return -EFAULT;
388
389 return 0;
390 }
391
392 static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
393 {
394 struct ifreq __user *ifr;
395 struct ifreq32 __user *ifr32;
396 u32 data;
397 void __user *datap;
398
399 ifr = compat_alloc_user_space(sizeof(*ifr));
400 ifr32 = compat_ptr(arg);
401
402 if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
403 return -EFAULT;
404
405 if (get_user(data, &ifr32->ifr_ifru.ifru_data))
406 return -EFAULT;
407
408 datap = compat_ptr(data);
409 if (put_user(datap, &ifr->ifr_ifru.ifru_data))
410 return -EFAULT;
411
412 return sys_ioctl(fd, cmd, (unsigned long) ifr);
413 }
414
415 static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
416 {
417 struct ifreq kifr;
418 struct ifreq __user *uifr;
419 struct ifreq32 __user *ifr32 = compat_ptr(arg);
420 mm_segment_t old_fs;
421 int err;
422 u32 data;
423 void __user *datap;
424
425 switch (cmd) {
426 case SIOCBONDENSLAVE:
427 case SIOCBONDRELEASE:
428 case SIOCBONDSETHWADDR:
429 case SIOCBONDCHANGEACTIVE:
430 if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
431 return -EFAULT;
432
433 old_fs = get_fs();
434 set_fs (KERNEL_DS);
435 err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
436 set_fs (old_fs);
437
438 return err;
439 case SIOCBONDSLAVEINFOQUERY:
440 case SIOCBONDINFOQUERY:
441 uifr = compat_alloc_user_space(sizeof(*uifr));
442 if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
443 return -EFAULT;
444
445 if (get_user(data, &ifr32->ifr_ifru.ifru_data))
446 return -EFAULT;
447
448 datap = compat_ptr(data);
449 if (put_user(datap, &uifr->ifr_ifru.ifru_data))
450 return -EFAULT;
451
452 return sys_ioctl (fd, cmd, (unsigned long)uifr);
453 default:
454 return -EINVAL;
455 };
456 }
457
458 int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
459 {
460 struct ifreq __user *u_ifreq64;
461 struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
462 char tmp_buf[IFNAMSIZ];
463 void __user *data64;
464 u32 data32;
465
466 if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
467 IFNAMSIZ))
468 return -EFAULT;
469 if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
470 return -EFAULT;
471 data64 = compat_ptr(data32);
472
473 u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
474
475 /* Don't check these user accesses, just let that get trapped
476 * in the ioctl handler instead.
477 */
478 if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
479 IFNAMSIZ))
480 return -EFAULT;
481 if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
482 return -EFAULT;
483
484 return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
485 }
486
487 static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
488 {
489 struct ifreq ifr;
490 struct ifreq32 __user *uifr32;
491 struct ifmap32 __user *uifmap32;
492 mm_segment_t old_fs;
493 int err;
494
495 uifr32 = compat_ptr(arg);
496 uifmap32 = &uifr32->ifr_ifru.ifru_map;
497 switch (cmd) {
498 case SIOCSIFMAP:
499 err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
500 err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
501 err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
502 err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
503 err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
504 err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
505 err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
506 if (err)
507 return -EFAULT;
508 break;
509 default:
510 if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
511 return -EFAULT;
512 break;
513 }
514 old_fs = get_fs();
515 set_fs (KERNEL_DS);
516 err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
517 set_fs (old_fs);
518 if (!err) {
519 switch (cmd) {
520 /* TUNSETIFF is defined as _IOW, it should be _IORW
521 * as the data is copied back to user space, but that
522 * cannot be fixed without breaking all existing apps.
523 */
524 case TUNSETIFF:
525 case SIOCGIFFLAGS:
526 case SIOCGIFMETRIC:
527 case SIOCGIFMTU:
528 case SIOCGIFMEM:
529 case SIOCGIFHWADDR:
530 case SIOCGIFINDEX:
531 case SIOCGIFADDR:
532 case SIOCGIFBRDADDR:
533 case SIOCGIFDSTADDR:
534 case SIOCGIFNETMASK:
535 case SIOCGIFTXQLEN:
536 if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
537 return -EFAULT;
538 break;
539 case SIOCGIFMAP:
540 err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
541 err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
542 err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
543 err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
544 err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
545 err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
546 err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
547 if (err)
548 err = -EFAULT;
549 break;
550 }
551 }
552 return err;
553 }
554
555 struct rtentry32 {
556 u32 rt_pad1;
557 struct sockaddr rt_dst; /* target address */
558 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
559 struct sockaddr rt_genmask; /* target network mask (IP) */
560 unsigned short rt_flags;
561 short rt_pad2;
562 u32 rt_pad3;
563 unsigned char rt_tos;
564 unsigned char rt_class;
565 short rt_pad4;
566 short rt_metric; /* +1 for binary compatibility! */
567 /* char * */ u32 rt_dev; /* forcing the device at add */
568 u32 rt_mtu; /* per route MTU/Window */
569 u32 rt_window; /* Window clamping */
570 unsigned short rt_irtt; /* Initial RTT */
571
572 };
573
574 struct in6_rtmsg32 {
575 struct in6_addr rtmsg_dst;
576 struct in6_addr rtmsg_src;
577 struct in6_addr rtmsg_gateway;
578 u32 rtmsg_type;
579 u16 rtmsg_dst_len;
580 u16 rtmsg_src_len;
581 u32 rtmsg_metric;
582 u32 rtmsg_info;
583 u32 rtmsg_flags;
584 s32 rtmsg_ifindex;
585 };
586
587 static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
588 {
589 int ret;
590 void *r = NULL;
591 struct in6_rtmsg r6;
592 struct rtentry r4;
593 char devname[16];
594 u32 rtdev;
595 mm_segment_t old_fs = get_fs();
596
597 struct socket *mysock = sockfd_lookup(fd, &ret);
598
599 if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
600 struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
601 ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
602 3 * sizeof(struct in6_addr));
603 ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
604 ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
605 ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
606 ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
607 ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
608 ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
609 ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
610
611 r = (void *) &r6;
612 } else { /* ipv4 */
613 struct rtentry32 __user *ur4 = compat_ptr(arg);
614 ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
615 3 * sizeof(struct sockaddr));
616 ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
617 ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
618 ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
619 ret |= __get_user (r4.rt_window, &(ur4->rt_window));
620 ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
621 ret |= __get_user (rtdev, &(ur4->rt_dev));
622 if (rtdev) {
623 ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
624 r4.rt_dev = devname; devname[15] = 0;
625 } else
626 r4.rt_dev = NULL;
627
628 r = (void *) &r4;
629 }
630
631 if (ret) {
632 ret = -EFAULT;
633 goto out;
634 }
635
636 set_fs (KERNEL_DS);
637 ret = sys_ioctl (fd, cmd, (unsigned long) r);
638 set_fs (old_fs);
639
640 out:
641 if (mysock)
642 sockfd_put(mysock);
643
644 return ret;
645 }
646 #endif
647
648 #ifdef CONFIG_BLOCK
649 struct hd_geometry32 {
650 unsigned char heads;
651 unsigned char sectors;
652 unsigned short cylinders;
653 u32 start;
654 };
655
656 static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg)
657 {
658 mm_segment_t old_fs = get_fs();
659 struct hd_geometry geo;
660 struct hd_geometry32 __user *ugeo;
661 int err;
662
663 set_fs (KERNEL_DS);
664 err = sys_ioctl(fd, HDIO_GETGEO, (unsigned long)&geo);
665 set_fs (old_fs);
666 ugeo = compat_ptr(arg);
667 if (!err) {
668 err = copy_to_user (ugeo, &geo, 4);
669 err |= __put_user (geo.start, &ugeo->start);
670 }
671 return err ? -EFAULT : 0;
672 }
673
674 static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
675 {
676 mm_segment_t old_fs = get_fs();
677 unsigned long kval;
678 unsigned int __user *uvp;
679 int error;
680
681 set_fs(KERNEL_DS);
682 error = sys_ioctl(fd, cmd, (long)&kval);
683 set_fs(old_fs);
684
685 if(error == 0) {
686 uvp = compat_ptr(arg);
687 if(put_user(kval, uvp))
688 error = -EFAULT;
689 }
690 return error;
691 }
692
693
694 typedef struct sg_io_hdr32 {
695 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
696 compat_int_t dxfer_direction; /* [i] data transfer direction */
697 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
698 unsigned char mx_sb_len; /* [i] max length to write to sbp */
699 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
700 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
701 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
702 or scatter gather list */
703 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
704 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
705 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
706 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
707 compat_int_t pack_id; /* [i->o] unused internally (normally) */
708 compat_uptr_t usr_ptr; /* [i->o] unused internally */
709 unsigned char status; /* [o] scsi status */
710 unsigned char masked_status; /* [o] shifted, masked scsi status */
711 unsigned char msg_status; /* [o] messaging level data (optional) */
712 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
713 unsigned short host_status; /* [o] errors from host adapter */
714 unsigned short driver_status; /* [o] errors from software driver */
715 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
716 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
717 compat_uint_t info; /* [o] auxiliary information */
718 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
719
720 typedef struct sg_iovec32 {
721 compat_uint_t iov_base;
722 compat_uint_t iov_len;
723 } sg_iovec32_t;
724
725 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
726 {
727 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
728 sg_iovec32_t __user *iov32 = dxferp;
729 int i;
730
731 for (i = 0; i < iovec_count; i++) {
732 u32 base, len;
733
734 if (get_user(base, &iov32[i].iov_base) ||
735 get_user(len, &iov32[i].iov_len) ||
736 put_user(compat_ptr(base), &iov[i].iov_base) ||
737 put_user(len, &iov[i].iov_len))
738 return -EFAULT;
739 }
740
741 if (put_user(iov, &sgio->dxferp))
742 return -EFAULT;
743 return 0;
744 }
745
746 static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
747 {
748 sg_io_hdr_t __user *sgio;
749 sg_io_hdr32_t __user *sgio32;
750 u16 iovec_count;
751 u32 data;
752 void __user *dxferp;
753 int err;
754
755 sgio32 = compat_ptr(arg);
756 if (get_user(iovec_count, &sgio32->iovec_count))
757 return -EFAULT;
758
759 {
760 void __user *top = compat_alloc_user_space(0);
761 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
762 (iovec_count * sizeof(sg_iovec_t)));
763 if (new > top)
764 return -EINVAL;
765
766 sgio = new;
767 }
768
769 /* Ok, now construct. */
770 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
771 (2 * sizeof(int)) +
772 (2 * sizeof(unsigned char)) +
773 (1 * sizeof(unsigned short)) +
774 (1 * sizeof(unsigned int))))
775 return -EFAULT;
776
777 if (get_user(data, &sgio32->dxferp))
778 return -EFAULT;
779 dxferp = compat_ptr(data);
780 if (iovec_count) {
781 if (sg_build_iovec(sgio, dxferp, iovec_count))
782 return -EFAULT;
783 } else {
784 if (put_user(dxferp, &sgio->dxferp))
785 return -EFAULT;
786 }
787
788 {
789 unsigned char __user *cmdp;
790 unsigned char __user *sbp;
791
792 if (get_user(data, &sgio32->cmdp))
793 return -EFAULT;
794 cmdp = compat_ptr(data);
795
796 if (get_user(data, &sgio32->sbp))
797 return -EFAULT;
798 sbp = compat_ptr(data);
799
800 if (put_user(cmdp, &sgio->cmdp) ||
801 put_user(sbp, &sgio->sbp))
802 return -EFAULT;
803 }
804
805 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
806 3 * sizeof(int)))
807 return -EFAULT;
808
809 if (get_user(data, &sgio32->usr_ptr))
810 return -EFAULT;
811 if (put_user(compat_ptr(data), &sgio->usr_ptr))
812 return -EFAULT;
813
814 if (copy_in_user(&sgio->status, &sgio32->status,
815 (4 * sizeof(unsigned char)) +
816 (2 * sizeof(unsigned (short))) +
817 (3 * sizeof(int))))
818 return -EFAULT;
819
820 err = sys_ioctl(fd, cmd, (unsigned long) sgio);
821
822 if (err >= 0) {
823 void __user *datap;
824
825 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
826 sizeof(int)) ||
827 get_user(datap, &sgio->usr_ptr) ||
828 put_user((u32)(unsigned long)datap,
829 &sgio32->usr_ptr) ||
830 copy_in_user(&sgio32->status, &sgio->status,
831 (4 * sizeof(unsigned char)) +
832 (2 * sizeof(unsigned short)) +
833 (3 * sizeof(int))))
834 err = -EFAULT;
835 }
836
837 return err;
838 }
839
840 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
841 char req_state;
842 char orphan;
843 char sg_io_owned;
844 char problem;
845 int pack_id;
846 compat_uptr_t usr_ptr;
847 unsigned int duration;
848 int unused;
849 };
850
851 static int sg_grt_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
852 {
853 int err, i;
854 sg_req_info_t __user *r;
855 struct compat_sg_req_info __user *o = (void __user *)arg;
856 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
857 err = sys_ioctl(fd,cmd,(unsigned long)r);
858 if (err < 0)
859 return err;
860 for (i = 0; i < SG_MAX_QUEUE; i++) {
861 void __user *ptr;
862 int d;
863
864 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
865 get_user(ptr, &r[i].usr_ptr) ||
866 get_user(d, &r[i].duration) ||
867 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
868 put_user(d, &o[i].duration))
869 return -EFAULT;
870 }
871 return err;
872 }
873 #endif /* CONFIG_BLOCK */
874
875 struct sock_fprog32 {
876 unsigned short len;
877 compat_caddr_t filter;
878 };
879
880 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
881 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
882
883 static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
884 {
885 struct sock_fprog32 __user *u_fprog32 = compat_ptr(arg);
886 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
887 void __user *fptr64;
888 u32 fptr32;
889 u16 flen;
890
891 if (get_user(flen, &u_fprog32->len) ||
892 get_user(fptr32, &u_fprog32->filter))
893 return -EFAULT;
894
895 fptr64 = compat_ptr(fptr32);
896
897 if (put_user(flen, &u_fprog64->len) ||
898 put_user(fptr64, &u_fprog64->filter))
899 return -EFAULT;
900
901 if (cmd == PPPIOCSPASS32)
902 cmd = PPPIOCSPASS;
903 else
904 cmd = PPPIOCSACTIVE;
905
906 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
907 }
908
909 struct ppp_option_data32 {
910 compat_caddr_t ptr;
911 u32 length;
912 compat_int_t transmit;
913 };
914 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
915
916 struct ppp_idle32 {
917 compat_time_t xmit_idle;
918 compat_time_t recv_idle;
919 };
920 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
921
922 static int ppp_gidle(unsigned int fd, unsigned int cmd, unsigned long arg)
923 {
924 struct ppp_idle __user *idle;
925 struct ppp_idle32 __user *idle32;
926 __kernel_time_t xmit, recv;
927 int err;
928
929 idle = compat_alloc_user_space(sizeof(*idle));
930 idle32 = compat_ptr(arg);
931
932 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
933
934 if (!err) {
935 if (get_user(xmit, &idle->xmit_idle) ||
936 get_user(recv, &idle->recv_idle) ||
937 put_user(xmit, &idle32->xmit_idle) ||
938 put_user(recv, &idle32->recv_idle))
939 err = -EFAULT;
940 }
941 return err;
942 }
943
944 static int ppp_scompress(unsigned int fd, unsigned int cmd, unsigned long arg)
945 {
946 struct ppp_option_data __user *odata;
947 struct ppp_option_data32 __user *odata32;
948 __u32 data;
949 void __user *datap;
950
951 odata = compat_alloc_user_space(sizeof(*odata));
952 odata32 = compat_ptr(arg);
953
954 if (get_user(data, &odata32->ptr))
955 return -EFAULT;
956
957 datap = compat_ptr(data);
958 if (put_user(datap, &odata->ptr))
959 return -EFAULT;
960
961 if (copy_in_user(&odata->length, &odata32->length,
962 sizeof(__u32) + sizeof(int)))
963 return -EFAULT;
964
965 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
966 }
967
968 static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
969 {
970 int err;
971
972 switch (cmd) {
973 case PPPIOCGIDLE32:
974 err = ppp_gidle(fd, cmd, arg);
975 break;
976
977 case PPPIOCSCOMPRESS32:
978 err = ppp_scompress(fd, cmd, arg);
979 break;
980
981 default:
982 do {
983 static int count;
984 if (++count <= 20)
985 printk("ppp_ioctl: Unknown cmd fd(%d) "
986 "cmd(%08x) arg(%08x)\n",
987 (int)fd, (unsigned int)cmd, (unsigned int)arg);
988 } while(0);
989 err = -EINVAL;
990 break;
991 };
992
993 return err;
994 }
995
996
997 #ifdef CONFIG_BLOCK
998 struct mtget32 {
999 compat_long_t mt_type;
1000 compat_long_t mt_resid;
1001 compat_long_t mt_dsreg;
1002 compat_long_t mt_gstat;
1003 compat_long_t mt_erreg;
1004 compat_daddr_t mt_fileno;
1005 compat_daddr_t mt_blkno;
1006 };
1007 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
1008
1009 struct mtpos32 {
1010 compat_long_t mt_blkno;
1011 };
1012 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
1013
1014 static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1015 {
1016 mm_segment_t old_fs = get_fs();
1017 struct mtget get;
1018 struct mtget32 __user *umget32;
1019 struct mtpos pos;
1020 struct mtpos32 __user *upos32;
1021 unsigned long kcmd;
1022 void *karg;
1023 int err = 0;
1024
1025 switch(cmd) {
1026 case MTIOCPOS32:
1027 kcmd = MTIOCPOS;
1028 karg = &pos;
1029 break;
1030 case MTIOCGET32:
1031 kcmd = MTIOCGET;
1032 karg = &get;
1033 break;
1034 default:
1035 do {
1036 static int count;
1037 if (++count <= 20)
1038 printk("mt_ioctl: Unknown cmd fd(%d) "
1039 "cmd(%08x) arg(%08x)\n",
1040 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1041 } while(0);
1042 return -EINVAL;
1043 }
1044 set_fs (KERNEL_DS);
1045 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
1046 set_fs (old_fs);
1047 if (err)
1048 return err;
1049 switch (cmd) {
1050 case MTIOCPOS32:
1051 upos32 = compat_ptr(arg);
1052 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
1053 break;
1054 case MTIOCGET32:
1055 umget32 = compat_ptr(arg);
1056 err = __put_user(get.mt_type, &umget32->mt_type);
1057 err |= __put_user(get.mt_resid, &umget32->mt_resid);
1058 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
1059 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
1060 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
1061 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
1062 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
1063 break;
1064 }
1065 return err ? -EFAULT: 0;
1066 }
1067
1068 struct cdrom_read_audio32 {
1069 union cdrom_addr addr;
1070 u8 addr_format;
1071 compat_int_t nframes;
1072 compat_caddr_t buf;
1073 };
1074
1075 struct cdrom_generic_command32 {
1076 unsigned char cmd[CDROM_PACKET_SIZE];
1077 compat_caddr_t buffer;
1078 compat_uint_t buflen;
1079 compat_int_t stat;
1080 compat_caddr_t sense;
1081 unsigned char data_direction;
1082 compat_int_t quiet;
1083 compat_int_t timeout;
1084 compat_caddr_t reserved[1];
1085 };
1086
1087 static int cdrom_do_read_audio(unsigned int fd, unsigned int cmd, unsigned long arg)
1088 {
1089 struct cdrom_read_audio __user *cdread_audio;
1090 struct cdrom_read_audio32 __user *cdread_audio32;
1091 __u32 data;
1092 void __user *datap;
1093
1094 cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio));
1095 cdread_audio32 = compat_ptr(arg);
1096
1097 if (copy_in_user(&cdread_audio->addr,
1098 &cdread_audio32->addr,
1099 (sizeof(*cdread_audio32) -
1100 sizeof(compat_caddr_t))))
1101 return -EFAULT;
1102
1103 if (get_user(data, &cdread_audio32->buf))
1104 return -EFAULT;
1105 datap = compat_ptr(data);
1106 if (put_user(datap, &cdread_audio->buf))
1107 return -EFAULT;
1108
1109 return sys_ioctl(fd, cmd, (unsigned long) cdread_audio);
1110 }
1111
1112 static int cdrom_do_generic_command(unsigned int fd, unsigned int cmd, unsigned long arg)
1113 {
1114 struct cdrom_generic_command __user *cgc;
1115 struct cdrom_generic_command32 __user *cgc32;
1116 u32 data;
1117 unsigned char dir;
1118 int itmp;
1119
1120 cgc = compat_alloc_user_space(sizeof(*cgc));
1121 cgc32 = compat_ptr(arg);
1122
1123 if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) ||
1124 get_user(data, &cgc32->buffer) ||
1125 put_user(compat_ptr(data), &cgc->buffer) ||
1126 copy_in_user(&cgc->buflen, &cgc32->buflen,
1127 (sizeof(unsigned int) + sizeof(int))) ||
1128 get_user(data, &cgc32->sense) ||
1129 put_user(compat_ptr(data), &cgc->sense) ||
1130 get_user(dir, &cgc32->data_direction) ||
1131 put_user(dir, &cgc->data_direction) ||
1132 get_user(itmp, &cgc32->quiet) ||
1133 put_user(itmp, &cgc->quiet) ||
1134 get_user(itmp, &cgc32->timeout) ||
1135 put_user(itmp, &cgc->timeout) ||
1136 get_user(data, &cgc32->reserved[0]) ||
1137 put_user(compat_ptr(data), &cgc->reserved[0]))
1138 return -EFAULT;
1139
1140 return sys_ioctl(fd, cmd, (unsigned long) cgc);
1141 }
1142
1143 static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1144 {
1145 int err;
1146
1147 switch(cmd) {
1148 case CDROMREADAUDIO:
1149 err = cdrom_do_read_audio(fd, cmd, arg);
1150 break;
1151
1152 case CDROM_SEND_PACKET:
1153 err = cdrom_do_generic_command(fd, cmd, arg);
1154 break;
1155
1156 default:
1157 do {
1158 static int count;
1159 if (++count <= 20)
1160 printk("cdrom_ioctl: Unknown cmd fd(%d) "
1161 "cmd(%08x) arg(%08x)\n",
1162 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1163 } while(0);
1164 err = -EINVAL;
1165 break;
1166 };
1167
1168 return err;
1169 }
1170 #endif /* CONFIG_BLOCK */
1171
1172 #ifdef CONFIG_VT
1173
1174 static int vt_check(struct file *file)
1175 {
1176 struct tty_struct *tty;
1177 struct inode *inode = file->f_dentry->d_inode;
1178
1179 if (file->f_op->ioctl != tty_ioctl)
1180 return -EINVAL;
1181
1182 tty = (struct tty_struct *)file->private_data;
1183 if (tty_paranoia_check(tty, inode, "tty_ioctl"))
1184 return -EINVAL;
1185
1186 if (tty->driver->ioctl != vt_ioctl)
1187 return -EINVAL;
1188
1189 /*
1190 * To have permissions to do most of the vt ioctls, we either have
1191 * to be the owner of the tty, or super-user.
1192 */
1193 if (current->signal->tty == tty || capable(CAP_SYS_ADMIN))
1194 return 1;
1195 return 0;
1196 }
1197
1198 struct consolefontdesc32 {
1199 unsigned short charcount; /* characters in font (256 or 512) */
1200 unsigned short charheight; /* scan lines per character (1-32) */
1201 compat_caddr_t chardata; /* font data in expanded form */
1202 };
1203
1204 static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1205 {
1206 struct consolefontdesc32 __user *user_cfd = compat_ptr(arg);
1207 struct console_font_op op;
1208 compat_caddr_t data;
1209 int i, perm;
1210
1211 perm = vt_check(file);
1212 if (perm < 0) return perm;
1213
1214 switch (cmd) {
1215 case PIO_FONTX:
1216 if (!perm)
1217 return -EPERM;
1218 op.op = KD_FONT_OP_SET;
1219 op.flags = 0;
1220 op.width = 8;
1221 if (get_user(op.height, &user_cfd->charheight) ||
1222 get_user(op.charcount, &user_cfd->charcount) ||
1223 get_user(data, &user_cfd->chardata))
1224 return -EFAULT;
1225 op.data = compat_ptr(data);
1226 return con_font_op(vc_cons[fg_console].d, &op);
1227 case GIO_FONTX:
1228 op.op = KD_FONT_OP_GET;
1229 op.flags = 0;
1230 op.width = 8;
1231 if (get_user(op.height, &user_cfd->charheight) ||
1232 get_user(op.charcount, &user_cfd->charcount) ||
1233 get_user(data, &user_cfd->chardata))
1234 return -EFAULT;
1235 if (!data)
1236 return 0;
1237 op.data = compat_ptr(data);
1238 i = con_font_op(vc_cons[fg_console].d, &op);
1239 if (i)
1240 return i;
1241 if (put_user(op.height, &user_cfd->charheight) ||
1242 put_user(op.charcount, &user_cfd->charcount) ||
1243 put_user((compat_caddr_t)(unsigned long)op.data,
1244 &user_cfd->chardata))
1245 return -EFAULT;
1246 return 0;
1247 }
1248 return -EINVAL;
1249 }
1250
1251 struct console_font_op32 {
1252 compat_uint_t op; /* operation code KD_FONT_OP_* */
1253 compat_uint_t flags; /* KD_FONT_FLAG_* */
1254 compat_uint_t width, height; /* font size */
1255 compat_uint_t charcount;
1256 compat_caddr_t data; /* font data with height fixed to 32 */
1257 };
1258
1259 static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1260 {
1261 struct console_font_op op;
1262 struct console_font_op32 __user *fontop = compat_ptr(arg);
1263 int perm = vt_check(file), i;
1264 struct vc_data *vc;
1265
1266 if (perm < 0) return perm;
1267
1268 if (copy_from_user(&op, fontop, sizeof(struct console_font_op32)))
1269 return -EFAULT;
1270 if (!perm && op.op != KD_FONT_OP_GET)
1271 return -EPERM;
1272 op.data = compat_ptr(((struct console_font_op32 *)&op)->data);
1273 op.flags |= KD_FONT_FLAG_OLD;
1274 vc = ((struct tty_struct *)file->private_data)->driver_data;
1275 i = con_font_op(vc, &op);
1276 if (i)
1277 return i;
1278 ((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
1279 if (copy_to_user(fontop, &op, sizeof(struct console_font_op32)))
1280 return -EFAULT;
1281 return 0;
1282 }
1283
1284 struct unimapdesc32 {
1285 unsigned short entry_ct;
1286 compat_caddr_t entries;
1287 };
1288
1289 static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1290 {
1291 struct unimapdesc32 tmp;
1292 struct unimapdesc32 __user *user_ud = compat_ptr(arg);
1293 int perm = vt_check(file);
1294
1295 if (perm < 0) return perm;
1296 if (copy_from_user(&tmp, user_ud, sizeof tmp))
1297 return -EFAULT;
1298 switch (cmd) {
1299 case PIO_UNIMAP:
1300 if (!perm) return -EPERM;
1301 return con_set_unimap(vc_cons[fg_console].d, tmp.entry_ct, compat_ptr(tmp.entries));
1302 case GIO_UNIMAP:
1303 return con_get_unimap(vc_cons[fg_console].d, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries));
1304 }
1305 return 0;
1306 }
1307
1308 #endif /* CONFIG_VT */
1309
1310 static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg)
1311 {
1312 mm_segment_t old_fs = get_fs();
1313 __kernel_uid_t kuid;
1314 int err;
1315
1316 cmd = SMB_IOC_GETMOUNTUID;
1317
1318 set_fs(KERNEL_DS);
1319 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
1320 set_fs(old_fs);
1321
1322 if (err >= 0)
1323 err = put_user(kuid, (compat_uid_t __user *)compat_ptr(arg));
1324
1325 return err;
1326 }
1327
1328 struct atmif_sioc32 {
1329 compat_int_t number;
1330 compat_int_t length;
1331 compat_caddr_t arg;
1332 };
1333
1334 struct atm_iobuf32 {
1335 compat_int_t length;
1336 compat_caddr_t buffer;
1337 };
1338
1339 #define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
1340 #define ATM_GETNAMES32 _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
1341 #define ATM_GETTYPE32 _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
1342 #define ATM_GETESI32 _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
1343 #define ATM_GETADDR32 _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
1344 #define ATM_RSTADDR32 _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
1345 #define ATM_ADDADDR32 _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
1346 #define ATM_DELADDR32 _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
1347 #define ATM_GETCIRANGE32 _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
1348 #define ATM_SETCIRANGE32 _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
1349 #define ATM_SETESI32 _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
1350 #define ATM_SETESIF32 _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
1351 #define ATM_GETSTAT32 _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
1352 #define ATM_GETSTATZ32 _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
1353 #define ATM_GETLOOP32 _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
1354 #define ATM_SETLOOP32 _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
1355 #define ATM_QUERYLOOP32 _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
1356
1357 static struct {
1358 unsigned int cmd32;
1359 unsigned int cmd;
1360 } atm_ioctl_map[] = {
1361 { ATM_GETLINKRATE32, ATM_GETLINKRATE },
1362 { ATM_GETNAMES32, ATM_GETNAMES },
1363 { ATM_GETTYPE32, ATM_GETTYPE },
1364 { ATM_GETESI32, ATM_GETESI },
1365 { ATM_GETADDR32, ATM_GETADDR },
1366 { ATM_RSTADDR32, ATM_RSTADDR },
1367 { ATM_ADDADDR32, ATM_ADDADDR },
1368 { ATM_DELADDR32, ATM_DELADDR },
1369 { ATM_GETCIRANGE32, ATM_GETCIRANGE },
1370 { ATM_SETCIRANGE32, ATM_SETCIRANGE },
1371 { ATM_SETESI32, ATM_SETESI },
1372 { ATM_SETESIF32, ATM_SETESIF },
1373 { ATM_GETSTAT32, ATM_GETSTAT },
1374 { ATM_GETSTATZ32, ATM_GETSTATZ },
1375 { ATM_GETLOOP32, ATM_GETLOOP },
1376 { ATM_SETLOOP32, ATM_SETLOOP },
1377 { ATM_QUERYLOOP32, ATM_QUERYLOOP }
1378 };
1379
1380 #define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
1381
1382 static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
1383 {
1384 struct atm_iobuf __user *iobuf;
1385 struct atm_iobuf32 __user *iobuf32;
1386 u32 data;
1387 void __user *datap;
1388 int len, err;
1389
1390 iobuf = compat_alloc_user_space(sizeof(*iobuf));
1391 iobuf32 = compat_ptr(arg);
1392
1393 if (get_user(len, &iobuf32->length) ||
1394 get_user(data, &iobuf32->buffer))
1395 return -EFAULT;
1396 datap = compat_ptr(data);
1397 if (put_user(len, &iobuf->length) ||
1398 put_user(datap, &iobuf->buffer))
1399 return -EFAULT;
1400
1401 err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
1402
1403 if (!err) {
1404 if (copy_in_user(&iobuf32->length, &iobuf->length,
1405 sizeof(int)))
1406 err = -EFAULT;
1407 }
1408
1409 return err;
1410 }
1411
1412 static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
1413 {
1414 struct atmif_sioc __user *sioc;
1415 struct atmif_sioc32 __user *sioc32;
1416 u32 data;
1417 void __user *datap;
1418 int err;
1419
1420 sioc = compat_alloc_user_space(sizeof(*sioc));
1421 sioc32 = compat_ptr(arg);
1422
1423 if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
1424 get_user(data, &sioc32->arg))
1425 return -EFAULT;
1426 datap = compat_ptr(data);
1427 if (put_user(datap, &sioc->arg))
1428 return -EFAULT;
1429
1430 err = sys_ioctl(fd, cmd, (unsigned long) sioc);
1431
1432 if (!err) {
1433 if (copy_in_user(&sioc32->length, &sioc->length,
1434 sizeof(int)))
1435 err = -EFAULT;
1436 }
1437 return err;
1438 }
1439
1440 static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
1441 {
1442 int i;
1443 unsigned int cmd = 0;
1444
1445 switch (cmd32) {
1446 case SONET_GETSTAT:
1447 case SONET_GETSTATZ:
1448 case SONET_GETDIAG:
1449 case SONET_SETDIAG:
1450 case SONET_CLRDIAG:
1451 case SONET_SETFRAMING:
1452 case SONET_GETFRAMING:
1453 case SONET_GETFRSENSE:
1454 return do_atmif_sioc(fd, cmd32, arg);
1455 }
1456
1457 for (i = 0; i < NR_ATM_IOCTL; i++) {
1458 if (cmd32 == atm_ioctl_map[i].cmd32) {
1459 cmd = atm_ioctl_map[i].cmd;
1460 break;
1461 }
1462 }
1463 if (i == NR_ATM_IOCTL)
1464 return -EINVAL;
1465
1466 switch (cmd) {
1467 case ATM_GETNAMES:
1468 return do_atm_iobuf(fd, cmd, arg);
1469
1470 case ATM_GETLINKRATE:
1471 case ATM_GETTYPE:
1472 case ATM_GETESI:
1473 case ATM_GETADDR:
1474 case ATM_RSTADDR:
1475 case ATM_ADDADDR:
1476 case ATM_DELADDR:
1477 case ATM_GETCIRANGE:
1478 case ATM_SETCIRANGE:
1479 case ATM_SETESI:
1480 case ATM_SETESIF:
1481 case ATM_GETSTAT:
1482 case ATM_GETSTATZ:
1483 case ATM_GETLOOP:
1484 case ATM_SETLOOP:
1485 case ATM_QUERYLOOP:
1486 return do_atmif_sioc(fd, cmd, arg);
1487 }
1488
1489 return -EINVAL;
1490 }
1491
1492 static __attribute_used__ int
1493 ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
1494 {
1495 return -EINVAL;
1496 }
1497
1498 #ifdef CONFIG_BLOCK
1499 static int broken_blkgetsize(unsigned int fd, unsigned int cmd, unsigned long arg)
1500 {
1501 /* The mkswap binary hard codes it to Intel value :-((( */
1502 return w_long(fd, BLKGETSIZE, arg);
1503 }
1504
1505 struct blkpg_ioctl_arg32 {
1506 compat_int_t op;
1507 compat_int_t flags;
1508 compat_int_t datalen;
1509 compat_caddr_t data;
1510 };
1511
1512 static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1513 {
1514 struct blkpg_ioctl_arg32 __user *ua32 = compat_ptr(arg);
1515 struct blkpg_ioctl_arg __user *a = compat_alloc_user_space(sizeof(*a));
1516 compat_caddr_t udata;
1517 compat_int_t n;
1518 int err;
1519
1520 err = get_user(n, &ua32->op);
1521 err |= put_user(n, &a->op);
1522 err |= get_user(n, &ua32->flags);
1523 err |= put_user(n, &a->flags);
1524 err |= get_user(n, &ua32->datalen);
1525 err |= put_user(n, &a->datalen);
1526 err |= get_user(udata, &ua32->data);
1527 err |= put_user(compat_ptr(udata), &a->data);
1528 if (err)
1529 return err;
1530
1531 return sys_ioctl(fd, cmd, (unsigned long)a);
1532 }
1533 #endif
1534
1535 static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg)
1536 {
1537 return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg);
1538 }
1539
1540 #ifdef CONFIG_BLOCK
1541 /* Fix sizeof(sizeof()) breakage */
1542 #define BLKBSZGET_32 _IOR(0x12,112,int)
1543 #define BLKBSZSET_32 _IOW(0x12,113,int)
1544 #define BLKGETSIZE64_32 _IOR(0x12,114,int)
1545
1546 static int do_blkbszget(unsigned int fd, unsigned int cmd, unsigned long arg)
1547 {
1548 return sys_ioctl(fd, BLKBSZGET, (unsigned long)compat_ptr(arg));
1549 }
1550
1551 static int do_blkbszset(unsigned int fd, unsigned int cmd, unsigned long arg)
1552 {
1553 return sys_ioctl(fd, BLKBSZSET, (unsigned long)compat_ptr(arg));
1554 }
1555
1556 static int do_blkgetsize64(unsigned int fd, unsigned int cmd,
1557 unsigned long arg)
1558 {
1559 return sys_ioctl(fd, BLKGETSIZE64, (unsigned long)compat_ptr(arg));
1560 }
1561 #endif
1562
1563 /* Bluetooth ioctls */
1564 #define HCIUARTSETPROTO _IOW('U', 200, int)
1565 #define HCIUARTGETPROTO _IOR('U', 201, int)
1566
1567 #define BNEPCONNADD _IOW('B', 200, int)
1568 #define BNEPCONNDEL _IOW('B', 201, int)
1569 #define BNEPGETCONNLIST _IOR('B', 210, int)
1570 #define BNEPGETCONNINFO _IOR('B', 211, int)
1571
1572 #define CMTPCONNADD _IOW('C', 200, int)
1573 #define CMTPCONNDEL _IOW('C', 201, int)
1574 #define CMTPGETCONNLIST _IOR('C', 210, int)
1575 #define CMTPGETCONNINFO _IOR('C', 211, int)
1576
1577 #define HIDPCONNADD _IOW('H', 200, int)
1578 #define HIDPCONNDEL _IOW('H', 201, int)
1579 #define HIDPGETCONNLIST _IOR('H', 210, int)
1580 #define HIDPGETCONNINFO _IOR('H', 211, int)
1581
1582 #ifdef CONFIG_BLOCK
1583 struct floppy_struct32 {
1584 compat_uint_t size;
1585 compat_uint_t sect;
1586 compat_uint_t head;
1587 compat_uint_t track;
1588 compat_uint_t stretch;
1589 unsigned char gap;
1590 unsigned char rate;
1591 unsigned char spec1;
1592 unsigned char fmt_gap;
1593 const compat_caddr_t name;
1594 };
1595
1596 struct floppy_drive_params32 {
1597 char cmos;
1598 compat_ulong_t max_dtr;
1599 compat_ulong_t hlt;
1600 compat_ulong_t hut;
1601 compat_ulong_t srt;
1602 compat_ulong_t spinup;
1603 compat_ulong_t spindown;
1604 unsigned char spindown_offset;
1605 unsigned char select_delay;
1606 unsigned char rps;
1607 unsigned char tracks;
1608 compat_ulong_t timeout;
1609 unsigned char interleave_sect;
1610 struct floppy_max_errors max_errors;
1611 char flags;
1612 char read_track;
1613 short autodetect[8];
1614 compat_int_t checkfreq;
1615 compat_int_t native_format;
1616 };
1617
1618 struct floppy_drive_struct32 {
1619 signed char flags;
1620 compat_ulong_t spinup_date;
1621 compat_ulong_t select_date;
1622 compat_ulong_t first_read_date;
1623 short probed_format;
1624 short track;
1625 short maxblock;
1626 short maxtrack;
1627 compat_int_t generation;
1628 compat_int_t keep_data;
1629 compat_int_t fd_ref;
1630 compat_int_t fd_device;
1631 compat_int_t last_checked;
1632 compat_caddr_t dmabuf;
1633 compat_int_t bufblocks;
1634 };
1635
1636 struct floppy_fdc_state32 {
1637 compat_int_t spec1;
1638 compat_int_t spec2;
1639 compat_int_t dtr;
1640 unsigned char version;
1641 unsigned char dor;
1642 compat_ulong_t address;
1643 unsigned int rawcmd:2;
1644 unsigned int reset:1;
1645 unsigned int need_configure:1;
1646 unsigned int perp_mode:2;
1647 unsigned int has_fifo:1;
1648 unsigned int driver_version;
1649 unsigned char track[4];
1650 };
1651
1652 struct floppy_write_errors32 {
1653 unsigned int write_errors;
1654 compat_ulong_t first_error_sector;
1655 compat_int_t first_error_generation;
1656 compat_ulong_t last_error_sector;
1657 compat_int_t last_error_generation;
1658 compat_uint_t badness;
1659 };
1660
1661 #define FDSETPRM32 _IOW(2, 0x42, struct floppy_struct32)
1662 #define FDDEFPRM32 _IOW(2, 0x43, struct floppy_struct32)
1663 #define FDGETPRM32 _IOR(2, 0x04, struct floppy_struct32)
1664 #define FDSETDRVPRM32 _IOW(2, 0x90, struct floppy_drive_params32)
1665 #define FDGETDRVPRM32 _IOR(2, 0x11, struct floppy_drive_params32)
1666 #define FDGETDRVSTAT32 _IOR(2, 0x12, struct floppy_drive_struct32)
1667 #define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct floppy_drive_struct32)
1668 #define FDGETFDCSTAT32 _IOR(2, 0x15, struct floppy_fdc_state32)
1669 #define FDWERRORGET32 _IOR(2, 0x17, struct floppy_write_errors32)
1670
1671 static struct {
1672 unsigned int cmd32;
1673 unsigned int cmd;
1674 } fd_ioctl_trans_table[] = {
1675 { FDSETPRM32, FDSETPRM },
1676 { FDDEFPRM32, FDDEFPRM },
1677 { FDGETPRM32, FDGETPRM },
1678 { FDSETDRVPRM32, FDSETDRVPRM },
1679 { FDGETDRVPRM32, FDGETDRVPRM },
1680 { FDGETDRVSTAT32, FDGETDRVSTAT },
1681 { FDPOLLDRVSTAT32, FDPOLLDRVSTAT },
1682 { FDGETFDCSTAT32, FDGETFDCSTAT },
1683 { FDWERRORGET32, FDWERRORGET }
1684 };
1685
1686 #define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table)
1687
1688 static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1689 {
1690 mm_segment_t old_fs = get_fs();
1691 void *karg = NULL;
1692 unsigned int kcmd = 0;
1693 int i, err;
1694
1695 for (i = 0; i < NR_FD_IOCTL_TRANS; i++)
1696 if (cmd == fd_ioctl_trans_table[i].cmd32) {
1697 kcmd = fd_ioctl_trans_table[i].cmd;
1698 break;
1699 }
1700 if (!kcmd)
1701 return -EINVAL;
1702
1703 switch (cmd) {
1704 case FDSETPRM32:
1705 case FDDEFPRM32:
1706 case FDGETPRM32:
1707 {
1708 compat_uptr_t name;
1709 struct floppy_struct32 __user *uf;
1710 struct floppy_struct *f;
1711
1712 uf = compat_ptr(arg);
1713 f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL);
1714 if (!karg)
1715 return -ENOMEM;
1716 if (cmd == FDGETPRM32)
1717 break;
1718 err = __get_user(f->size, &uf->size);
1719 err |= __get_user(f->sect, &uf->sect);
1720 err |= __get_user(f->head, &uf->head);
1721 err |= __get_user(f->track, &uf->track);
1722 err |= __get_user(f->stretch, &uf->stretch);
1723 err |= __get_user(f->gap, &uf->gap);
1724 err |= __get_user(f->rate, &uf->rate);
1725 err |= __get_user(f->spec1, &uf->spec1);
1726 err |= __get_user(f->fmt_gap, &uf->fmt_gap);
1727 err |= __get_user(name, &uf->name);
1728 f->name = compat_ptr(name);
1729 if (err) {
1730 err = -EFAULT;
1731 goto out;
1732 }
1733 break;
1734 }
1735 case FDSETDRVPRM32:
1736 case FDGETDRVPRM32:
1737 {
1738 struct floppy_drive_params32 __user *uf;
1739 struct floppy_drive_params *f;
1740
1741 uf = compat_ptr(arg);
1742 f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL);
1743 if (!karg)
1744 return -ENOMEM;
1745 if (cmd == FDGETDRVPRM32)
1746 break;
1747 err = __get_user(f->cmos, &uf->cmos);
1748 err |= __get_user(f->max_dtr, &uf->max_dtr);
1749 err |= __get_user(f->hlt, &uf->hlt);
1750 err |= __get_user(f->hut, &uf->hut);
1751 err |= __get_user(f->srt, &uf->srt);
1752 err |= __get_user(f->spinup, &uf->spinup);
1753 err |= __get_user(f->spindown, &uf->spindown);
1754 err |= __get_user(f->spindown_offset, &uf->spindown_offset);
1755 err |= __get_user(f->select_delay, &uf->select_delay);
1756 err |= __get_user(f->rps, &uf->rps);
1757 err |= __get_user(f->tracks, &uf->tracks);
1758 err |= __get_user(f->timeout, &uf->timeout);
1759 err |= __get_user(f->interleave_sect, &uf->interleave_sect);
1760 err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors));
1761 err |= __get_user(f->flags, &uf->flags);
1762 err |= __get_user(f->read_track, &uf->read_track);
1763 err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect));
1764 err |= __get_user(f->checkfreq, &uf->checkfreq);
1765 err |= __get_user(f->native_format, &uf->native_format);
1766 if (err) {
1767 err = -EFAULT;
1768 goto out;
1769 }
1770 break;
1771 }
1772 case FDGETDRVSTAT32:
1773 case FDPOLLDRVSTAT32:
1774 karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL);
1775 if (!karg)
1776 return -ENOMEM;
1777 break;
1778 case FDGETFDCSTAT32:
1779 karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL);
1780 if (!karg)
1781 return -ENOMEM;
1782 break;
1783 case FDWERRORGET32:
1784 karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL);
1785 if (!karg)
1786 return -ENOMEM;
1787 break;
1788 default:
1789 return -EINVAL;
1790 }
1791 set_fs (KERNEL_DS);
1792 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
1793 set_fs (old_fs);
1794 if (err)
1795 goto out;
1796 switch (cmd) {
1797 case FDGETPRM32:
1798 {
1799 struct floppy_struct *f = karg;
1800 struct floppy_struct32 __user *uf = compat_ptr(arg);
1801
1802 err = __put_user(f->size, &uf->size);
1803 err |= __put_user(f->sect, &uf->sect);
1804 err |= __put_user(f->head, &uf->head);
1805 err |= __put_user(f->track, &uf->track);
1806 err |= __put_user(f->stretch, &uf->stretch);
1807 err |= __put_user(f->gap, &uf->gap);
1808 err |= __put_user(f->rate, &uf->rate);
1809 err |= __put_user(f->spec1, &uf->spec1);
1810 err |= __put_user(f->fmt_gap, &uf->fmt_gap);
1811 err |= __put_user((u64)f->name, (compat_caddr_t __user *)&uf->name);
1812 break;
1813 }
1814 case FDGETDRVPRM32:
1815 {
1816 struct floppy_drive_params32 __user *uf;
1817 struct floppy_drive_params *f = karg;
1818
1819 uf = compat_ptr(arg);
1820 err = __put_user(f->cmos, &uf->cmos);
1821 err |= __put_user(f->max_dtr, &uf->max_dtr);
1822 err |= __put_user(f->hlt, &uf->hlt);
1823 err |= __put_user(f->hut, &uf->hut);
1824 err |= __put_user(f->srt, &uf->srt);
1825 err |= __put_user(f->spinup, &uf->spinup);
1826 err |= __put_user(f->spindown, &uf->spindown);
1827 err |= __put_user(f->spindown_offset, &uf->spindown_offset);
1828 err |= __put_user(f->select_delay, &uf->select_delay);
1829 err |= __put_user(f->rps, &uf->rps);
1830 err |= __put_user(f->tracks, &uf->tracks);
1831 err |= __put_user(f->timeout, &uf->timeout);
1832 err |= __put_user(f->interleave_sect, &uf->interleave_sect);
1833 err |= __copy_to_user(&uf->max_errors, &f->max_errors, sizeof(f->max_errors));
1834 err |= __put_user(f->flags, &uf->flags);
1835 err |= __put_user(f->read_track, &uf->read_track);
1836 err |= __copy_to_user(uf->autodetect, f->autodetect, sizeof(f->autodetect));
1837 err |= __put_user(f->checkfreq, &uf->checkfreq);
1838 err |= __put_user(f->native_format, &uf->native_format);
1839 break;
1840 }
1841 case FDGETDRVSTAT32:
1842 case FDPOLLDRVSTAT32:
1843 {
1844 struct floppy_drive_struct32 __user *uf;
1845 struct floppy_drive_struct *f = karg;
1846
1847 uf = compat_ptr(arg);
1848 err = __put_user(f->flags, &uf->flags);
1849 err |= __put_user(f->spinup_date, &uf->spinup_date);
1850 err |= __put_user(f->select_date, &uf->select_date);
1851 err |= __put_user(f->first_read_date, &uf->first_read_date);
1852 err |= __put_user(f->probed_format, &uf->probed_format);
1853 err |= __put_user(f->track, &uf->track);
1854 err |= __put_user(f->maxblock, &uf->maxblock);
1855 err |= __put_user(f->maxtrack, &uf->maxtrack);
1856 err |= __put_user(f->generation, &uf->generation);
1857 err |= __put_user(f->keep_data, &uf->keep_data);
1858 err |= __put_user(f->fd_ref, &uf->fd_ref);
1859 err |= __put_user(f->fd_device, &uf->fd_device);
1860 err |= __put_user(f->last_checked, &uf->last_checked);
1861 err |= __put_user((u64)f->dmabuf, &uf->dmabuf);
1862 err |= __put_user((u64)f->bufblocks, &uf->bufblocks);
1863 break;
1864 }
1865 case FDGETFDCSTAT32:
1866 {
1867 struct floppy_fdc_state32 __user *uf;
1868 struct floppy_fdc_state *f = karg;
1869
1870 uf = compat_ptr(arg);
1871 err = __put_user(f->spec1, &uf->spec1);
1872 err |= __put_user(f->spec2, &uf->spec2);
1873 err |= __put_user(f->dtr, &uf->dtr);
1874 err |= __put_user(f->version, &uf->version);
1875 err |= __put_user(f->dor, &uf->dor);
1876 err |= __put_user(f->address, &uf->address);
1877 err |= __copy_to_user((char __user *)&uf->address + sizeof(uf->address),
1878 (char *)&f->address + sizeof(f->address), sizeof(int));
1879 err |= __put_user(f->driver_version, &uf->driver_version);
1880 err |= __copy_to_user(uf->track, f->track, sizeof(f->track));
1881 break;
1882 }
1883 case FDWERRORGET32:
1884 {
1885 struct floppy_write_errors32 __user *uf;
1886 struct floppy_write_errors *f = karg;
1887
1888 uf = compat_ptr(arg);
1889 err = __put_user(f->write_errors, &uf->write_errors);
1890 err |= __put_user(f->first_error_sector, &uf->first_error_sector);
1891 err |= __put_user(f->first_error_generation, &uf->first_error_generation);
1892 err |= __put_user(f->last_error_sector, &uf->last_error_sector);
1893 err |= __put_user(f->last_error_generation, &uf->last_error_generation);
1894 err |= __put_user(f->badness, &uf->badness);
1895 break;
1896 }
1897 default:
1898 break;
1899 }
1900 if (err)
1901 err = -EFAULT;
1902
1903 out:
1904 kfree(karg);
1905 return err;
1906 }
1907 #endif
1908
1909 struct mtd_oob_buf32 {
1910 u_int32_t start;
1911 u_int32_t length;
1912 compat_caddr_t ptr; /* unsigned char* */
1913 };
1914
1915 #define MEMWRITEOOB32 _IOWR('M',3,struct mtd_oob_buf32)
1916 #define MEMREADOOB32 _IOWR('M',4,struct mtd_oob_buf32)
1917
1918 static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
1919 {
1920 struct mtd_oob_buf __user *buf = compat_alloc_user_space(sizeof(*buf));
1921 struct mtd_oob_buf32 __user *buf32 = compat_ptr(arg);
1922 u32 data;
1923 char __user *datap;
1924 unsigned int real_cmd;
1925 int err;
1926
1927 real_cmd = (cmd == MEMREADOOB32) ?
1928 MEMREADOOB : MEMWRITEOOB;
1929
1930 if (copy_in_user(&buf->start, &buf32->start,
1931 2 * sizeof(u32)) ||
1932 get_user(data, &buf32->ptr))
1933 return -EFAULT;
1934 datap = compat_ptr(data);
1935 if (put_user(datap, &buf->ptr))
1936 return -EFAULT;
1937
1938 err = sys_ioctl(fd, real_cmd, (unsigned long) buf);
1939
1940 if (!err) {
1941 if (copy_in_user(&buf32->start, &buf->start,
1942 2 * sizeof(u32)))
1943 err = -EFAULT;
1944 }
1945
1946 return err;
1947 }
1948
1949 #ifdef CONFIG_BLOCK
1950 struct raw32_config_request
1951 {
1952 compat_int_t raw_minor;
1953 __u64 block_major;
1954 __u64 block_minor;
1955 } __attribute__((packed));
1956
1957 static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
1958 {
1959 int ret;
1960
1961 if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
1962 return -EFAULT;
1963
1964 ret = __get_user(req->raw_minor, &user_req->raw_minor);
1965 ret |= __get_user(req->block_major, &user_req->block_major);
1966 ret |= __get_user(req->block_minor, &user_req->block_minor);
1967
1968 return ret ? -EFAULT : 0;
1969 }
1970
1971 static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
1972 {
1973 int ret;
1974
1975 if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
1976 return -EFAULT;
1977
1978 ret = __put_user(req->raw_minor, &user_req->raw_minor);
1979 ret |= __put_user(req->block_major, &user_req->block_major);
1980 ret |= __put_user(req->block_minor, &user_req->block_minor);
1981
1982 return ret ? -EFAULT : 0;
1983 }
1984
1985 static int raw_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
1986 {
1987 int ret;
1988
1989 switch (cmd) {
1990 case RAW_SETBIND:
1991 case RAW_GETBIND: {
1992 struct raw_config_request req;
1993 struct raw32_config_request __user *user_req = compat_ptr(arg);
1994 mm_segment_t oldfs = get_fs();
1995
1996 if ((ret = get_raw32_request(&req, user_req)))
1997 return ret;
1998
1999 set_fs(KERNEL_DS);
2000 ret = sys_ioctl(fd,cmd,(unsigned long)&req);
2001 set_fs(oldfs);
2002
2003 if ((!ret) && (cmd == RAW_GETBIND)) {
2004 ret = set_raw32_request(&req, user_req);
2005 }
2006 break;
2007 }
2008 default:
2009 ret = sys_ioctl(fd, cmd, arg);
2010 break;
2011 }
2012 return ret;
2013 }
2014 #endif /* CONFIG_BLOCK */
2015
2016 struct serial_struct32 {
2017 compat_int_t type;
2018 compat_int_t line;
2019 compat_uint_t port;
2020 compat_int_t irq;
2021 compat_int_t flags;
2022 compat_int_t xmit_fifo_size;
2023 compat_int_t custom_divisor;
2024 compat_int_t baud_base;
2025 unsigned short close_delay;
2026 char io_type;
2027 char reserved_char[1];
2028 compat_int_t hub6;
2029 unsigned short closing_wait; /* time to wait before closing */
2030 unsigned short closing_wait2; /* no longer used... */
2031 compat_uint_t iomem_base;
2032 unsigned short iomem_reg_shift;
2033 unsigned int port_high;
2034 /* compat_ulong_t iomap_base FIXME */
2035 compat_int_t reserved[1];
2036 };
2037
2038 static int serial_struct_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2039 {
2040 typedef struct serial_struct SS;
2041 typedef struct serial_struct32 SS32;
2042 struct serial_struct32 __user *ss32 = compat_ptr(arg);
2043 int err;
2044 struct serial_struct ss;
2045 mm_segment_t oldseg = get_fs();
2046 __u32 udata;
2047
2048 if (cmd == TIOCSSERIAL) {
2049 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
2050 return -EFAULT;
2051 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
2052 return -EFAULT;
2053 __get_user(udata, &ss32->iomem_base);
2054 ss.iomem_base = compat_ptr(udata);
2055 __get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
2056 __get_user(ss.port_high, &ss32->port_high);
2057 ss.iomap_base = 0UL;
2058 }
2059 set_fs(KERNEL_DS);
2060 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
2061 set_fs(oldseg);
2062 if (cmd == TIOCGSERIAL && err >= 0) {
2063 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
2064 return -EFAULT;
2065 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
2066 return -EFAULT;
2067 __put_user((unsigned long)ss.iomem_base >> 32 ?
2068 0xffffffff : (unsigned)(unsigned long)ss.iomem_base,
2069 &ss32->iomem_base);
2070 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
2071 __put_user(ss.port_high, &ss32->port_high);
2072
2073 }
2074 return err;
2075 }
2076
2077 struct usbdevfs_ctrltransfer32 {
2078 u8 bRequestType;
2079 u8 bRequest;
2080 u16 wValue;
2081 u16 wIndex;
2082 u16 wLength;
2083 u32 timeout; /* in milliseconds */
2084 compat_caddr_t data;
2085 };
2086
2087 #define USBDEVFS_CONTROL32 _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
2088
2089 static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long arg)
2090 {
2091 struct usbdevfs_ctrltransfer32 __user *p32 = compat_ptr(arg);
2092 struct usbdevfs_ctrltransfer __user *p;
2093 __u32 udata;
2094 p = compat_alloc_user_space(sizeof(*p));
2095 if (copy_in_user(p, p32, (sizeof(*p32) - sizeof(compat_caddr_t))) ||
2096 get_user(udata, &p32->data) ||
2097 put_user(compat_ptr(udata), &p->data))
2098 return -EFAULT;
2099 return sys_ioctl(fd, USBDEVFS_CONTROL, (unsigned long)p);
2100 }
2101
2102
2103 struct usbdevfs_bulktransfer32 {
2104 compat_uint_t ep;
2105 compat_uint_t len;
2106 compat_uint_t timeout; /* in milliseconds */
2107 compat_caddr_t data;
2108 };
2109
2110 #define USBDEVFS_BULK32 _IOWR('U', 2, struct usbdevfs_bulktransfer32)
2111
2112 static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg)
2113 {
2114 struct usbdevfs_bulktransfer32 __user *p32 = compat_ptr(arg);
2115 struct usbdevfs_bulktransfer __user *p;
2116 compat_uint_t n;
2117 compat_caddr_t addr;
2118
2119 p = compat_alloc_user_space(sizeof(*p));
2120
2121 if (get_user(n, &p32->ep) || put_user(n, &p->ep) ||
2122 get_user(n, &p32->len) || put_user(n, &p->len) ||
2123 get_user(n, &p32->timeout) || put_user(n, &p->timeout) ||
2124 get_user(addr, &p32->data) || put_user(compat_ptr(addr), &p->data))
2125 return -EFAULT;
2126
2127 return sys_ioctl(fd, USBDEVFS_BULK, (unsigned long)p);
2128 }
2129
2130
2131 /*
2132 * USBDEVFS_SUBMITURB, USBDEVFS_REAPURB and USBDEVFS_REAPURBNDELAY
2133 * are handled in usbdevfs core. -Christopher Li
2134 */
2135
2136 struct usbdevfs_disconnectsignal32 {
2137 compat_int_t signr;
2138 compat_caddr_t context;
2139 };
2140
2141 #define USBDEVFS_DISCSIGNAL32 _IOR('U', 14, struct usbdevfs_disconnectsignal32)
2142
2143 static int do_usbdevfs_discsignal(unsigned int fd, unsigned int cmd, unsigned long arg)
2144 {
2145 struct usbdevfs_disconnectsignal kdis;
2146 struct usbdevfs_disconnectsignal32 __user *udis;
2147 mm_segment_t old_fs;
2148 u32 uctx;
2149 int err;
2150
2151 udis = compat_ptr(arg);
2152
2153 if (get_user(kdis.signr, &udis->signr) ||
2154 __get_user(uctx, &udis->context))
2155 return -EFAULT;
2156
2157 kdis.context = compat_ptr(uctx);
2158
2159 old_fs = get_fs();
2160 set_fs(KERNEL_DS);
2161 err = sys_ioctl(fd, USBDEVFS_DISCSIGNAL, (unsigned long) &kdis);
2162 set_fs(old_fs);
2163
2164 return err;
2165 }
2166
2167 /*
2168 * I2C layer ioctls
2169 */
2170
2171 struct i2c_msg32 {
2172 u16 addr;
2173 u16 flags;
2174 u16 len;
2175 compat_caddr_t buf;
2176 };
2177
2178 struct i2c_rdwr_ioctl_data32 {
2179 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
2180 u32 nmsgs;
2181 };
2182
2183 struct i2c_smbus_ioctl_data32 {
2184 u8 read_write;
2185 u8 command;
2186 u32 size;
2187 compat_caddr_t data; /* union i2c_smbus_data *data */
2188 };
2189
2190 struct i2c_rdwr_aligned {
2191 struct i2c_rdwr_ioctl_data cmd;
2192 struct i2c_msg msgs[0];
2193 };
2194
2195 static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2196 {
2197 struct i2c_rdwr_ioctl_data32 __user *udata = compat_ptr(arg);
2198 struct i2c_rdwr_aligned __user *tdata;
2199 struct i2c_msg __user *tmsgs;
2200 struct i2c_msg32 __user *umsgs;
2201 compat_caddr_t datap;
2202 int nmsgs, i;
2203
2204 if (get_user(nmsgs, &udata->nmsgs))
2205 return -EFAULT;
2206 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
2207 return -EINVAL;
2208
2209 if (get_user(datap, &udata->msgs))
2210 return -EFAULT;
2211 umsgs = compat_ptr(datap);
2212
2213 tdata = compat_alloc_user_space(sizeof(*tdata) +
2214 nmsgs * sizeof(struct i2c_msg));
2215 tmsgs = &tdata->msgs[0];
2216
2217 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
2218 put_user(tmsgs, &tdata->cmd.msgs))
2219 return -EFAULT;
2220
2221 for (i = 0; i < nmsgs; i++) {
2222 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
2223 return -EFAULT;
2224 if (get_user(datap, &umsgs[i].buf) ||
2225 put_user(compat_ptr(datap), &tmsgs[i].buf))
2226 return -EFAULT;
2227 }
2228 return sys_ioctl(fd, cmd, (unsigned long)tdata);
2229 }
2230
2231 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2232 {
2233 struct i2c_smbus_ioctl_data __user *tdata;
2234 struct i2c_smbus_ioctl_data32 __user *udata;
2235 compat_caddr_t datap;
2236
2237 tdata = compat_alloc_user_space(sizeof(*tdata));
2238 if (tdata == NULL)
2239 return -ENOMEM;
2240 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
2241 return -EFAULT;
2242
2243 udata = compat_ptr(arg);
2244 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
2245 return -EFAULT;
2246
2247 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
2248 return -EFAULT;
2249 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
2250 return -EFAULT;
2251 if (__get_user(datap, &udata->data) ||
2252 __put_user(compat_ptr(datap), &tdata->data))
2253 return -EFAULT;
2254
2255 return sys_ioctl(fd, cmd, (unsigned long)tdata);
2256 }
2257
2258 struct compat_iw_point {
2259 compat_caddr_t pointer;
2260 __u16 length;
2261 __u16 flags;
2262 };
2263
2264 static int do_wireless_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2265 {
2266 struct iwreq __user *iwr;
2267 struct iwreq __user *iwr_u;
2268 struct iw_point __user *iwp;
2269 struct compat_iw_point __user *iwp_u;
2270 compat_caddr_t pointer;
2271 __u16 length, flags;
2272
2273 iwr_u = compat_ptr(arg);
2274 iwp_u = (struct compat_iw_point __user *) &iwr_u->u.data;
2275 iwr = compat_alloc_user_space(sizeof(*iwr));
2276 if (iwr == NULL)
2277 return -ENOMEM;
2278
2279 iwp = &iwr->u.data;
2280
2281 if (!access_ok(VERIFY_WRITE, iwr, sizeof(*iwr)))
2282 return -EFAULT;
2283
2284 if (__copy_in_user(&iwr->ifr_ifrn.ifrn_name[0],
2285 &iwr_u->ifr_ifrn.ifrn_name[0],
2286 sizeof(iwr->ifr_ifrn.ifrn_name)))
2287 return -EFAULT;
2288
2289 if (__get_user(pointer, &iwp_u->pointer) ||
2290 __get_user(length, &iwp_u->length) ||
2291 __get_user(flags, &iwp_u->flags))
2292 return -EFAULT;
2293
2294 if (__put_user(compat_ptr(pointer), &iwp->pointer) ||
2295 __put_user(length, &iwp->length) ||
2296 __put_user(flags, &iwp->flags))
2297 return -EFAULT;
2298
2299 return sys_ioctl(fd, cmd, (unsigned long) iwr);
2300 }
2301
2302 /* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
2303 * for some operations; this forces use of the newer bridge-utils that
2304 * use compatiable ioctls
2305 */
2306 static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2307 {
2308 u32 tmp;
2309
2310 if (get_user(tmp, (u32 __user *) arg))
2311 return -EFAULT;
2312 if (tmp == BRCTL_GET_VERSION)
2313 return BRCTL_VERSION + 1;
2314 return -EINVAL;
2315 }
2316
2317 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
2318 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
2319 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
2320 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
2321
2322 static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2323 {
2324 mm_segment_t oldfs = get_fs();
2325 compat_ulong_t val32;
2326 unsigned long kval;
2327 int ret;
2328
2329 switch (cmd) {
2330 case RTC_IRQP_READ32:
2331 case RTC_EPOCH_READ32:
2332 set_fs(KERNEL_DS);
2333 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
2334 RTC_IRQP_READ : RTC_EPOCH_READ,
2335 (unsigned long)&kval);
2336 set_fs(oldfs);
2337 if (ret)
2338 return ret;
2339 val32 = kval;
2340 return put_user(val32, (unsigned int __user *)arg);
2341 case RTC_IRQP_SET32:
2342 return sys_ioctl(fd, RTC_IRQP_SET, arg);
2343 case RTC_EPOCH_SET32:
2344 return sys_ioctl(fd, RTC_EPOCH_SET, arg);
2345 default:
2346 /* unreached */
2347 return -ENOIOCTLCMD;
2348 }
2349 }
2350
2351 #if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
2352 struct ncp_ioctl_request_32 {
2353 u32 function;
2354 u32 size;
2355 compat_caddr_t data;
2356 };
2357
2358 struct ncp_fs_info_v2_32 {
2359 s32 version;
2360 u32 mounted_uid;
2361 u32 connection;
2362 u32 buffer_size;
2363
2364 u32 volume_number;
2365 u32 directory_id;
2366
2367 u32 dummy1;
2368 u32 dummy2;
2369 u32 dummy3;
2370 };
2371
2372 struct ncp_objectname_ioctl_32
2373 {
2374 s32 auth_type;
2375 u32 object_name_len;
2376 compat_caddr_t object_name; /* an userspace data, in most cases user name */
2377 };
2378
2379 struct ncp_privatedata_ioctl_32
2380 {
2381 u32 len;
2382 compat_caddr_t data; /* ~1000 for NDS */
2383 };
2384
2385 #define NCP_IOC_NCPREQUEST_32 _IOR('n', 1, struct ncp_ioctl_request_32)
2386 #define NCP_IOC_GETMOUNTUID2_32 _IOW('n', 2, u32)
2387 #define NCP_IOC_GET_FS_INFO_V2_32 _IOWR('n', 4, struct ncp_fs_info_v2_32)
2388 #define NCP_IOC_GETOBJECTNAME_32 _IOWR('n', 9, struct ncp_objectname_ioctl_32)
2389 #define NCP_IOC_SETOBJECTNAME_32 _IOR('n', 9, struct ncp_objectname_ioctl_32)
2390 #define NCP_IOC_GETPRIVATEDATA_32 _IOWR('n', 10, struct ncp_privatedata_ioctl_32)
2391 #define NCP_IOC_SETPRIVATEDATA_32 _IOR('n', 10, struct ncp_privatedata_ioctl_32)
2392
2393 static int do_ncp_ncprequest(unsigned int fd, unsigned int cmd, unsigned long arg)
2394 {
2395 struct ncp_ioctl_request_32 n32;
2396 struct ncp_ioctl_request __user *p = compat_alloc_user_space(sizeof(*p));
2397
2398 if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)) ||
2399 put_user(n32.function, &p->function) ||
2400 put_user(n32.size, &p->size) ||
2401 put_user(compat_ptr(n32.data), &p->data))
2402 return -EFAULT;
2403
2404 return sys_ioctl(fd, NCP_IOC_NCPREQUEST, (unsigned long)p);
2405 }
2406
2407 static int do_ncp_getmountuid2(unsigned int fd, unsigned int cmd, unsigned long arg)
2408 {
2409 mm_segment_t old_fs = get_fs();
2410 __kernel_uid_t kuid;
2411 int err;
2412
2413 cmd = NCP_IOC_GETMOUNTUID2;
2414
2415 set_fs(KERNEL_DS);
2416 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
2417 set_fs(old_fs);
2418
2419 if (!err)
2420 err = put_user(kuid,
2421 (unsigned int __user *) compat_ptr(arg));
2422
2423 return err;
2424 }
2425
2426 static int do_ncp_getfsinfo2(unsigned int fd, unsigned int cmd, unsigned long arg)
2427 {
2428 mm_segment_t old_fs = get_fs();
2429 struct ncp_fs_info_v2_32 n32;
2430 struct ncp_fs_info_v2 n;
2431 int err;
2432
2433 if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)))
2434 return -EFAULT;
2435 if (n32.version != NCP_GET_FS_INFO_VERSION_V2)
2436 return -EINVAL;
2437 n.version = NCP_GET_FS_INFO_VERSION_V2;
2438
2439 set_fs(KERNEL_DS);
2440 err = sys_ioctl(fd, NCP_IOC_GET_FS_INFO_V2, (unsigned long)&n);
2441 set_fs(old_fs);
2442
2443 if (!err) {
2444 n32.version = n.version;
2445 n32.mounted_uid = n.mounted_uid;
2446 n32.connection = n.connection;
2447 n32.buffer_size = n.buffer_size;
2448 n32.volume_number = n.volume_number;
2449 n32.directory_id = n.directory_id;
2450 n32.dummy1 = n.dummy1;
2451 n32.dummy2 = n.dummy2;
2452 n32.dummy3 = n.dummy3;
2453 err = copy_to_user(compat_ptr(arg), &n32, sizeof(n32)) ? -EFAULT : 0;
2454 }
2455 return err;
2456 }
2457
2458 static int do_ncp_getobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
2459 {
2460 struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2461 struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));
2462 s32 auth_type;
2463 u32 name_len;
2464 int err;
2465
2466 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2467 put_user(n32.object_name_len, &p->object_name_len) ||
2468 put_user(compat_ptr(n32.object_name), &p->object_name))
2469 return -EFAULT;
2470
2471 err = sys_ioctl(fd, NCP_IOC_GETOBJECTNAME, (unsigned long)p);
2472 if (err)
2473 return err;
2474
2475 if (get_user(auth_type, &p->auth_type) ||
2476 put_user(auth_type, &p32->auth_type) ||
2477 get_user(name_len, &p->object_name_len) ||
2478 put_user(name_len, &p32->object_name_len))
2479 return -EFAULT;
2480
2481 return 0;
2482 }
2483
2484 static int do_ncp_setobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
2485 {
2486 struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2487 struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));
2488
2489 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2490 put_user(n32.auth_type, &p->auth_type) ||
2491 put_user(n32.object_name_len, &p->object_name_len) ||
2492 put_user(compat_ptr(n32.object_name), &p->object_name))
2493 return -EFAULT;
2494
2495 return sys_ioctl(fd, NCP_IOC_SETOBJECTNAME, (unsigned long)p);
2496 }
2497
2498 static int do_ncp_getprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
2499 {
2500 struct ncp_privatedata_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2501 struct ncp_privatedata_ioctl __user *p =
2502 compat_alloc_user_space(sizeof(*p));
2503 u32 len;
2504 int err;
2505
2506 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2507 put_user(n32.len, &p->len) ||
2508 put_user(compat_ptr(n32.data), &p->data))
2509 return -EFAULT;
2510
2511 err = sys_ioctl(fd, NCP_IOC_GETPRIVATEDATA, (unsigned long)p);
2512 if (err)
2513 return err;
2514
2515 if (get_user(len, &p->len) ||
2516 put_user(len, &p32->len))
2517 return -EFAULT;
2518
2519 return 0;
2520 }
2521
2522 static int do_ncp_setprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
2523 {
2524 struct ncp_privatedata_ioctl_32 n32;
2525 struct ncp_privatedata_ioctl_32 __user *p32 = compat_ptr(arg);
2526 struct ncp_privatedata_ioctl __user *p =
2527 compat_alloc_user_space(sizeof(*p));
2528
2529 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2530 put_user(n32.len, &p->len) ||
2531 put_user(compat_ptr(n32.data), &p->data))
2532 return -EFAULT;
2533
2534 return sys_ioctl(fd, NCP_IOC_SETPRIVATEDATA, (unsigned long)p);
2535 }
2536 #endif
2537
2538 static int
2539 lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
2540 {
2541 struct compat_timeval __user *tc = (struct compat_timeval __user *)arg;
2542 struct timeval __user *tn = compat_alloc_user_space(sizeof(struct timeval));
2543 struct timeval ts;
2544 if (get_user(ts.tv_sec, &tc->tv_sec) ||
2545 get_user(ts.tv_usec, &tc->tv_usec) ||
2546 put_user(ts.tv_sec, &tn->tv_sec) ||
2547 put_user(ts.tv_usec, &tn->tv_usec))
2548 return -EFAULT;
2549 return sys_ioctl(fd, cmd, (unsigned long)tn);
2550 }
2551
2552 #define HANDLE_IOCTL(cmd,handler) \
2553 { (cmd), (ioctl_trans_handler_t)(handler) },
2554
2555 /* pointer to compatible structure or no argument */
2556 #define COMPATIBLE_IOCTL(cmd) \
2557 { (cmd), do_ioctl32_pointer },
2558
2559 /* argument is an unsigned long integer, not a pointer */
2560 #define ULONG_IOCTL(cmd) \
2561 { (cmd), (ioctl_trans_handler_t)sys_ioctl },
2562
2563
2564 struct ioctl_trans ioctl_start[] = {
2565 #include <linux/compat_ioctl.h>
2566 HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob)
2567 HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob)
2568 #ifdef CONFIG_NET
2569 HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
2570 HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
2571 HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
2572 HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
2573 HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
2574 HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
2575 HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
2576 HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
2577 HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
2578 HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
2579 HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
2580 HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
2581 HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
2582 HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
2583 HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
2584 HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
2585 HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
2586 HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
2587 HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
2588
2589 /* ioctls used by appletalk ddp.c */
2590 HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
2591 HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
2592 HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
2593 HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
2594
2595 HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
2596 HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
2597 HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
2598 HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
2599 HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
2600 HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
2601 HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
2602 HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
2603 HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
2604 HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
2605 HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
2606 HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
2607 HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
2608 HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
2609 HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
2610 HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
2611 HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
2612 HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
2613 HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
2614 HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
2615 HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
2616 HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
2617 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
2618 HANDLE_IOCTL(SIOCRTMSG, ret_einval)
2619 HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
2620 #endif
2621 #ifdef CONFIG_BLOCK
2622 HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo)
2623 HANDLE_IOCTL(BLKRAGET, w_long)
2624 HANDLE_IOCTL(BLKGETSIZE, w_long)
2625 HANDLE_IOCTL(0x1260, broken_blkgetsize)
2626 HANDLE_IOCTL(BLKFRAGET, w_long)
2627 HANDLE_IOCTL(BLKSECTGET, w_long)
2628 HANDLE_IOCTL(BLKPG, blkpg_ioctl_trans)
2629 HANDLE_IOCTL(HDIO_GET_KEEPSETTINGS, hdio_ioctl_trans)
2630 HANDLE_IOCTL(HDIO_GET_UNMASKINTR, hdio_ioctl_trans)
2631 HANDLE_IOCTL(HDIO_GET_DMA, hdio_ioctl_trans)
2632 HANDLE_IOCTL(HDIO_GET_32BIT, hdio_ioctl_trans)
2633 HANDLE_IOCTL(HDIO_GET_MULTCOUNT, hdio_ioctl_trans)
2634 HANDLE_IOCTL(HDIO_GET_NOWERR, hdio_ioctl_trans)
2635 HANDLE_IOCTL(HDIO_GET_NICE, hdio_ioctl_trans)
2636 HANDLE_IOCTL(FDSETPRM32, fd_ioctl_trans)
2637 HANDLE_IOCTL(FDDEFPRM32, fd_ioctl_trans)
2638 HANDLE_IOCTL(FDGETPRM32, fd_ioctl_trans)
2639 HANDLE_IOCTL(FDSETDRVPRM32, fd_ioctl_trans)
2640 HANDLE_IOCTL(FDGETDRVPRM32, fd_ioctl_trans)
2641 HANDLE_IOCTL(FDGETDRVSTAT32, fd_ioctl_trans)
2642 HANDLE_IOCTL(FDPOLLDRVSTAT32, fd_ioctl_trans)
2643 HANDLE_IOCTL(FDGETFDCSTAT32, fd_ioctl_trans)
2644 HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans)
2645 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
2646 HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans)
2647 #endif
2648 HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans)
2649 HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans)
2650 HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans)
2651 HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans)
2652 #ifdef CONFIG_BLOCK
2653 HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans)
2654 HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans)
2655 HANDLE_IOCTL(CDROMREADAUDIO, cdrom_ioctl_trans)
2656 HANDLE_IOCTL(CDROM_SEND_PACKET, cdrom_ioctl_trans)
2657 #endif
2658 #define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
2659 HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout)
2660 #ifdef CONFIG_VT
2661 HANDLE_IOCTL(PIO_FONTX, do_fontx_ioctl)
2662 HANDLE_IOCTL(GIO_FONTX, do_fontx_ioctl)
2663 HANDLE_IOCTL(PIO_UNIMAP, do_unimap_ioctl)
2664 HANDLE_IOCTL(GIO_UNIMAP, do_unimap_ioctl)
2665 HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
2666 #endif
2667 /* One SMB ioctl needs translations. */
2668 #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
2669 HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)
2670 HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
2671 HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
2672 HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
2673 HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
2674 HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
2675 HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
2676 HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
2677 HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
2678 HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
2679 HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
2680 HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
2681 HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
2682 HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
2683 HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
2684 HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
2685 HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
2686 HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
2687 HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
2688 HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
2689 HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
2690 HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
2691 HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
2692 HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
2693 HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
2694 HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
2695 /* block stuff */
2696 #ifdef CONFIG_BLOCK
2697 HANDLE_IOCTL(BLKBSZGET_32, do_blkbszget)
2698 HANDLE_IOCTL(BLKBSZSET_32, do_blkbszset)
2699 HANDLE_IOCTL(BLKGETSIZE64_32, do_blkgetsize64)
2700 /* Raw devices */
2701 HANDLE_IOCTL(RAW_SETBIND, raw_ioctl)
2702 HANDLE_IOCTL(RAW_GETBIND, raw_ioctl)
2703 #endif
2704 /* Serial */
2705 HANDLE_IOCTL(TIOCGSERIAL, serial_struct_ioctl)
2706 HANDLE_IOCTL(TIOCSSERIAL, serial_struct_ioctl)
2707 #ifdef TIOCGLTC
2708 COMPATIBLE_IOCTL(TIOCGLTC)
2709 COMPATIBLE_IOCTL(TIOCSLTC)
2710 #endif
2711 #ifdef TIOCSTART
2712 /*
2713 * For these two we have defintions in ioctls.h and/or termios.h on
2714 * some architectures but no actual implemention. Some applications
2715 * like bash call them if they are defined in the headers, so we provide
2716 * entries here to avoid syslog message spew.
2717 */
2718 COMPATIBLE_IOCTL(TIOCSTART)
2719 COMPATIBLE_IOCTL(TIOCSTOP)
2720 #endif
2721 /* Usbdevfs */
2722 HANDLE_IOCTL(USBDEVFS_CONTROL32, do_usbdevfs_control)
2723 HANDLE_IOCTL(USBDEVFS_BULK32, do_usbdevfs_bulk)
2724 HANDLE_IOCTL(USBDEVFS_DISCSIGNAL32, do_usbdevfs_discsignal)
2725 COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
2726 /* i2c */
2727 HANDLE_IOCTL(I2C_FUNCS, w_long)
2728 HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
2729 HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
2730 /* wireless */
2731 HANDLE_IOCTL(SIOCGIWRANGE, do_wireless_ioctl)
2732 HANDLE_IOCTL(SIOCSIWSPY, do_wireless_ioctl)
2733 HANDLE_IOCTL(SIOCGIWSPY, do_wireless_ioctl)
2734 HANDLE_IOCTL(SIOCSIWTHRSPY, do_wireless_ioctl)
2735 HANDLE_IOCTL(SIOCGIWTHRSPY, do_wireless_ioctl)
2736 HANDLE_IOCTL(SIOCGIWAPLIST, do_wireless_ioctl)
2737 HANDLE_IOCTL(SIOCGIWSCAN, do_wireless_ioctl)
2738 HANDLE_IOCTL(SIOCSIWESSID, do_wireless_ioctl)
2739 HANDLE_IOCTL(SIOCGIWESSID, do_wireless_ioctl)
2740 HANDLE_IOCTL(SIOCSIWNICKN, do_wireless_ioctl)
2741 HANDLE_IOCTL(SIOCGIWNICKN, do_wireless_ioctl)
2742 HANDLE_IOCTL(SIOCSIWENCODE, do_wireless_ioctl)
2743 HANDLE_IOCTL(SIOCGIWENCODE, do_wireless_ioctl)
2744 HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
2745 HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
2746 HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
2747 HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
2748 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
2749 HANDLE_IOCTL(RTC_EPOCH_SET32, rtc_ioctl)
2750
2751 #if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
2752 HANDLE_IOCTL(NCP_IOC_NCPREQUEST_32, do_ncp_ncprequest)
2753 HANDLE_IOCTL(NCP_IOC_GETMOUNTUID2_32, do_ncp_getmountuid2)
2754 HANDLE_IOCTL(NCP_IOC_GET_FS_INFO_V2_32, do_ncp_getfsinfo2)
2755 HANDLE_IOCTL(NCP_IOC_GETOBJECTNAME_32, do_ncp_getobjectname)
2756 HANDLE_IOCTL(NCP_IOC_SETOBJECTNAME_32, do_ncp_setobjectname)
2757 HANDLE_IOCTL(NCP_IOC_GETPRIVATEDATA_32, do_ncp_getprivatedata)
2758 HANDLE_IOCTL(NCP_IOC_SETPRIVATEDATA_32, do_ncp_setprivatedata)
2759 #endif
2760
2761 /* dvb */
2762 HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event)
2763 HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture)
2764 HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette)
2765
2766 /* parport */
2767 COMPATIBLE_IOCTL(LPTIME)
2768 COMPATIBLE_IOCTL(LPCHAR)
2769 COMPATIBLE_IOCTL(LPABORTOPEN)
2770 COMPATIBLE_IOCTL(LPCAREFUL)
2771 COMPATIBLE_IOCTL(LPWAIT)
2772 COMPATIBLE_IOCTL(LPSETIRQ)
2773 COMPATIBLE_IOCTL(LPGETSTATUS)
2774 COMPATIBLE_IOCTL(LPGETSTATUS)
2775 COMPATIBLE_IOCTL(LPRESET)
2776 /*LPGETSTATS not implemented, but no kernels seem to compile it in anyways*/
2777 COMPATIBLE_IOCTL(LPGETFLAGS)
2778 HANDLE_IOCTL(LPSETTIMEOUT, lp_timeout_trans)
2779 };
2780
2781 int ioctl_table_size = ARRAY_SIZE(ioctl_start);
CJK support for tty framebuffer vt