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[PATCH] BLOCK: Move the Ext2 device ioctl compat stuff to the Ext2 driver [try #6]
[mirror_ubuntu-zesty-kernel.git] / fs / compat_ioctl.c
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/ext3_jbd.h>
49 #include <linux/ext3_fs.h>
50 #include <linux/videodev.h>
51 #include <linux/netdevice.h>
52 #include <linux/raw.h>
53 #include <linux/smb_fs.h>
54 #include <linux/blkpg.h>
55 #include <linux/blkdev.h>
56 #include <linux/elevator.h>
57 #include <linux/rtc.h>
58 #include <linux/pci.h>
59 #include <linux/module.h>
60 #include <linux/serial.h>
61 #include <linux/if_tun.h>
62 #include <linux/ctype.h>
63 #include <linux/ioctl32.h>
64 #include <linux/syscalls.h>
65 #include <linux/ncp_fs.h>
66 #include <linux/i2c.h>
67 #include <linux/i2c-dev.h>
68 #include <linux/wireless.h>
69 #include <linux/atalk.h>
70 #include <linux/blktrace_api.h>
71
72 #include <net/sock.h> /* siocdevprivate_ioctl */
73 #include <net/bluetooth/bluetooth.h>
74 #include <net/bluetooth/hci.h>
75 #include <net/bluetooth/rfcomm.h>
76
77 #include <linux/capi.h>
78 #include <linux/gigaset_dev.h>
79
80 #include <scsi/scsi.h>
81 #include <scsi/scsi_ioctl.h>
82 #include <scsi/sg.h>
83
84 #include <asm/uaccess.h>
85 #include <linux/ethtool.h>
86 #include <linux/mii.h>
87 #include <linux/if_bonding.h>
88 #include <linux/watchdog.h>
89 #include <linux/dm-ioctl.h>
90
91 #include <linux/soundcard.h>
92 #include <linux/lp.h>
93 #include <linux/ppdev.h>
94
95 #include <linux/atm.h>
96 #include <linux/atmarp.h>
97 #include <linux/atmclip.h>
98 #include <linux/atmdev.h>
99 #include <linux/atmioc.h>
100 #include <linux/atmlec.h>
101 #include <linux/atmmpc.h>
102 #include <linux/atmsvc.h>
103 #include <linux/atm_tcp.h>
104 #include <linux/sonet.h>
105 #include <linux/atm_suni.h>
106 #include <linux/mtd/mtd.h>
107
108 #include <linux/usb.h>
109 #include <linux/usbdevice_fs.h>
110 #include <linux/nbd.h>
111 #include <linux/random.h>
112 #include <linux/filter.h>
113 #include <linux/msdos_fs.h>
114 #include <linux/pktcdvd.h>
115
116 #include <linux/hiddev.h>
117
118 #include <linux/dvb/audio.h>
119 #include <linux/dvb/dmx.h>
120 #include <linux/dvb/frontend.h>
121 #include <linux/dvb/video.h>
122 #include <linux/lp.h>
123
124 static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
125 unsigned long arg, struct file *f)
126 {
127 return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
128 }
129
130 static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg)
131 {
132 mm_segment_t old_fs = get_fs();
133 int err;
134 unsigned long val;
135
136 set_fs (KERNEL_DS);
137 err = sys_ioctl(fd, cmd, (unsigned long)&val);
138 set_fs (old_fs);
139 if (!err && put_user(val, (u32 __user *)compat_ptr(arg)))
140 return -EFAULT;
141 return err;
142 }
143
144 static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg)
145 {
146 mm_segment_t old_fs = get_fs();
147 u32 __user *argptr = compat_ptr(arg);
148 int err;
149 unsigned long val;
150
151 if(get_user(val, argptr))
152 return -EFAULT;
153 set_fs (KERNEL_DS);
154 err = sys_ioctl(fd, cmd, (unsigned long)&val);
155 set_fs (old_fs);
156 if (!err && put_user(val, argptr))
157 return -EFAULT;
158 return err;
159 }
160
161 static int do_ext3_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
162 {
163 /* These are just misnamed, they actually get/put from/to user an int */
164 switch (cmd) {
165 case EXT3_IOC32_GETVERSION: cmd = EXT3_IOC_GETVERSION; break;
166 case EXT3_IOC32_SETVERSION: cmd = EXT3_IOC_SETVERSION; break;
167 case EXT3_IOC32_GETRSVSZ: cmd = EXT3_IOC_GETRSVSZ; break;
168 case EXT3_IOC32_SETRSVSZ: cmd = EXT3_IOC_SETRSVSZ; break;
169 case EXT3_IOC32_GROUP_EXTEND: cmd = EXT3_IOC_GROUP_EXTEND; break;
170 #ifdef CONFIG_JBD_DEBUG
171 case EXT3_IOC32_WAIT_FOR_READONLY: cmd = EXT3_IOC_WAIT_FOR_READONLY; break;
172 #endif
173 }
174 return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
175 }
176
177 struct compat_video_event {
178 int32_t type;
179 compat_time_t timestamp;
180 union {
181 video_size_t size;
182 unsigned int frame_rate;
183 } u;
184 };
185
186 static int do_video_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
187 {
188 struct video_event kevent;
189 mm_segment_t old_fs = get_fs();
190 int err;
191
192 set_fs(KERNEL_DS);
193 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
194 set_fs(old_fs);
195
196 if (!err) {
197 struct compat_video_event __user *up = compat_ptr(arg);
198
199 err = put_user(kevent.type, &up->type);
200 err |= put_user(kevent.timestamp, &up->timestamp);
201 err |= put_user(kevent.u.size.w, &up->u.size.w);
202 err |= put_user(kevent.u.size.h, &up->u.size.h);
203 err |= put_user(kevent.u.size.aspect_ratio,
204 &up->u.size.aspect_ratio);
205 if (err)
206 err = -EFAULT;
207 }
208
209 return err;
210 }
211
212 struct compat_video_still_picture {
213 compat_uptr_t iFrame;
214 int32_t size;
215 };
216
217 static int do_video_stillpicture(unsigned int fd, unsigned int cmd, unsigned long arg)
218 {
219 struct compat_video_still_picture __user *up;
220 struct video_still_picture __user *up_native;
221 compat_uptr_t fp;
222 int32_t size;
223 int err;
224
225 up = (struct compat_video_still_picture __user *) arg;
226 err = get_user(fp, &up->iFrame);
227 err |= get_user(size, &up->size);
228 if (err)
229 return -EFAULT;
230
231 up_native =
232 compat_alloc_user_space(sizeof(struct video_still_picture));
233
234 put_user(compat_ptr(fp), &up_native->iFrame);
235 put_user(size, &up_native->size);
236
237 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
238
239 return err;
240 }
241
242 struct compat_video_spu_palette {
243 int length;
244 compat_uptr_t palette;
245 };
246
247 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned long arg)
248 {
249 struct compat_video_spu_palette __user *up;
250 struct video_spu_palette __user *up_native;
251 compat_uptr_t palp;
252 int length, err;
253
254 up = (struct compat_video_spu_palette __user *) arg;
255 err = get_user(palp, &up->palette);
256 err |= get_user(length, &up->length);
257
258 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
259 put_user(compat_ptr(palp), &up_native->palette);
260 put_user(length, &up_native->length);
261
262 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
263
264 return err;
265 }
266
267 #ifdef CONFIG_NET
268 static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
269 {
270 struct compat_timeval __user *up = compat_ptr(arg);
271 struct timeval ktv;
272 mm_segment_t old_fs = get_fs();
273 int err;
274
275 set_fs(KERNEL_DS);
276 err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
277 set_fs(old_fs);
278 if(!err) {
279 err = put_user(ktv.tv_sec, &up->tv_sec);
280 err |= __put_user(ktv.tv_usec, &up->tv_usec);
281 }
282 return err;
283 }
284
285 struct ifmap32 {
286 compat_ulong_t mem_start;
287 compat_ulong_t mem_end;
288 unsigned short base_addr;
289 unsigned char irq;
290 unsigned char dma;
291 unsigned char port;
292 };
293
294 struct ifreq32 {
295 #define IFHWADDRLEN 6
296 #define IFNAMSIZ 16
297 union {
298 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
299 } ifr_ifrn;
300 union {
301 struct sockaddr ifru_addr;
302 struct sockaddr ifru_dstaddr;
303 struct sockaddr ifru_broadaddr;
304 struct sockaddr ifru_netmask;
305 struct sockaddr ifru_hwaddr;
306 short ifru_flags;
307 compat_int_t ifru_ivalue;
308 compat_int_t ifru_mtu;
309 struct ifmap32 ifru_map;
310 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
311 char ifru_newname[IFNAMSIZ];
312 compat_caddr_t ifru_data;
313 /* XXXX? ifru_settings should be here */
314 } ifr_ifru;
315 };
316
317 struct ifconf32 {
318 compat_int_t ifc_len; /* size of buffer */
319 compat_caddr_t ifcbuf;
320 };
321
322 static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
323 {
324 struct net_device *dev;
325 struct ifreq32 ifr32;
326 int err;
327
328 if (copy_from_user(&ifr32, compat_ptr(arg), sizeof(ifr32)))
329 return -EFAULT;
330
331 dev = dev_get_by_index(ifr32.ifr_ifindex);
332 if (!dev)
333 return -ENODEV;
334
335 strlcpy(ifr32.ifr_name, dev->name, sizeof(ifr32.ifr_name));
336 dev_put(dev);
337
338 err = copy_to_user(compat_ptr(arg), &ifr32, sizeof(ifr32));
339 return (err ? -EFAULT : 0);
340 }
341
342 static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
343 {
344 struct ifconf32 ifc32;
345 struct ifconf ifc;
346 struct ifconf __user *uifc;
347 struct ifreq32 __user *ifr32;
348 struct ifreq __user *ifr;
349 unsigned int i, j;
350 int err;
351
352 if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
353 return -EFAULT;
354
355 if (ifc32.ifcbuf == 0) {
356 ifc32.ifc_len = 0;
357 ifc.ifc_len = 0;
358 ifc.ifc_req = NULL;
359 uifc = compat_alloc_user_space(sizeof(struct ifconf));
360 } else {
361 size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
362 sizeof (struct ifreq);
363 uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
364 ifc.ifc_len = len;
365 ifr = ifc.ifc_req = (void __user *)(uifc + 1);
366 ifr32 = compat_ptr(ifc32.ifcbuf);
367 for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
368 if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
369 return -EFAULT;
370 ifr++;
371 ifr32++;
372 }
373 }
374 if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
375 return -EFAULT;
376
377 err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);
378 if (err)
379 return err;
380
381 if (copy_from_user(&ifc, uifc, sizeof(struct ifconf)))
382 return -EFAULT;
383
384 ifr = ifc.ifc_req;
385 ifr32 = compat_ptr(ifc32.ifcbuf);
386 for (i = 0, j = 0;
387 i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
388 i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
389 if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
390 return -EFAULT;
391 ifr32++;
392 ifr++;
393 }
394
395 if (ifc32.ifcbuf == 0) {
396 /* Translate from 64-bit structure multiple to
397 * a 32-bit one.
398 */
399 i = ifc.ifc_len;
400 i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
401 ifc32.ifc_len = i;
402 } else {
403 ifc32.ifc_len = i;
404 }
405 if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
406 return -EFAULT;
407
408 return 0;
409 }
410
411 static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
412 {
413 struct ifreq __user *ifr;
414 struct ifreq32 __user *ifr32;
415 u32 data;
416 void __user *datap;
417
418 ifr = compat_alloc_user_space(sizeof(*ifr));
419 ifr32 = compat_ptr(arg);
420
421 if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
422 return -EFAULT;
423
424 if (get_user(data, &ifr32->ifr_ifru.ifru_data))
425 return -EFAULT;
426
427 datap = compat_ptr(data);
428 if (put_user(datap, &ifr->ifr_ifru.ifru_data))
429 return -EFAULT;
430
431 return sys_ioctl(fd, cmd, (unsigned long) ifr);
432 }
433
434 static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
435 {
436 struct ifreq kifr;
437 struct ifreq __user *uifr;
438 struct ifreq32 __user *ifr32 = compat_ptr(arg);
439 mm_segment_t old_fs;
440 int err;
441 u32 data;
442 void __user *datap;
443
444 switch (cmd) {
445 case SIOCBONDENSLAVE:
446 case SIOCBONDRELEASE:
447 case SIOCBONDSETHWADDR:
448 case SIOCBONDCHANGEACTIVE:
449 if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
450 return -EFAULT;
451
452 old_fs = get_fs();
453 set_fs (KERNEL_DS);
454 err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
455 set_fs (old_fs);
456
457 return err;
458 case SIOCBONDSLAVEINFOQUERY:
459 case SIOCBONDINFOQUERY:
460 uifr = compat_alloc_user_space(sizeof(*uifr));
461 if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
462 return -EFAULT;
463
464 if (get_user(data, &ifr32->ifr_ifru.ifru_data))
465 return -EFAULT;
466
467 datap = compat_ptr(data);
468 if (put_user(datap, &uifr->ifr_ifru.ifru_data))
469 return -EFAULT;
470
471 return sys_ioctl (fd, cmd, (unsigned long)uifr);
472 default:
473 return -EINVAL;
474 };
475 }
476
477 int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
478 {
479 struct ifreq __user *u_ifreq64;
480 struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
481 char tmp_buf[IFNAMSIZ];
482 void __user *data64;
483 u32 data32;
484
485 if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
486 IFNAMSIZ))
487 return -EFAULT;
488 if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
489 return -EFAULT;
490 data64 = compat_ptr(data32);
491
492 u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
493
494 /* Don't check these user accesses, just let that get trapped
495 * in the ioctl handler instead.
496 */
497 if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
498 IFNAMSIZ))
499 return -EFAULT;
500 if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
501 return -EFAULT;
502
503 return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
504 }
505
506 static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
507 {
508 struct ifreq ifr;
509 struct ifreq32 __user *uifr32;
510 struct ifmap32 __user *uifmap32;
511 mm_segment_t old_fs;
512 int err;
513
514 uifr32 = compat_ptr(arg);
515 uifmap32 = &uifr32->ifr_ifru.ifru_map;
516 switch (cmd) {
517 case SIOCSIFMAP:
518 err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
519 err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
520 err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
521 err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
522 err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
523 err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
524 err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
525 if (err)
526 return -EFAULT;
527 break;
528 default:
529 if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
530 return -EFAULT;
531 break;
532 }
533 old_fs = get_fs();
534 set_fs (KERNEL_DS);
535 err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
536 set_fs (old_fs);
537 if (!err) {
538 switch (cmd) {
539 /* TUNSETIFF is defined as _IOW, it should be _IORW
540 * as the data is copied back to user space, but that
541 * cannot be fixed without breaking all existing apps.
542 */
543 case TUNSETIFF:
544 case SIOCGIFFLAGS:
545 case SIOCGIFMETRIC:
546 case SIOCGIFMTU:
547 case SIOCGIFMEM:
548 case SIOCGIFHWADDR:
549 case SIOCGIFINDEX:
550 case SIOCGIFADDR:
551 case SIOCGIFBRDADDR:
552 case SIOCGIFDSTADDR:
553 case SIOCGIFNETMASK:
554 case SIOCGIFTXQLEN:
555 if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
556 return -EFAULT;
557 break;
558 case SIOCGIFMAP:
559 err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
560 err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
561 err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
562 err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
563 err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
564 err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
565 err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
566 if (err)
567 err = -EFAULT;
568 break;
569 }
570 }
571 return err;
572 }
573
574 struct rtentry32 {
575 u32 rt_pad1;
576 struct sockaddr rt_dst; /* target address */
577 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
578 struct sockaddr rt_genmask; /* target network mask (IP) */
579 unsigned short rt_flags;
580 short rt_pad2;
581 u32 rt_pad3;
582 unsigned char rt_tos;
583 unsigned char rt_class;
584 short rt_pad4;
585 short rt_metric; /* +1 for binary compatibility! */
586 /* char * */ u32 rt_dev; /* forcing the device at add */
587 u32 rt_mtu; /* per route MTU/Window */
588 u32 rt_window; /* Window clamping */
589 unsigned short rt_irtt; /* Initial RTT */
590
591 };
592
593 struct in6_rtmsg32 {
594 struct in6_addr rtmsg_dst;
595 struct in6_addr rtmsg_src;
596 struct in6_addr rtmsg_gateway;
597 u32 rtmsg_type;
598 u16 rtmsg_dst_len;
599 u16 rtmsg_src_len;
600 u32 rtmsg_metric;
601 u32 rtmsg_info;
602 u32 rtmsg_flags;
603 s32 rtmsg_ifindex;
604 };
605
606 static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
607 {
608 int ret;
609 void *r = NULL;
610 struct in6_rtmsg r6;
611 struct rtentry r4;
612 char devname[16];
613 u32 rtdev;
614 mm_segment_t old_fs = get_fs();
615
616 struct socket *mysock = sockfd_lookup(fd, &ret);
617
618 if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
619 struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
620 ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
621 3 * sizeof(struct in6_addr));
622 ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
623 ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
624 ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
625 ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
626 ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
627 ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
628 ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
629
630 r = (void *) &r6;
631 } else { /* ipv4 */
632 struct rtentry32 __user *ur4 = compat_ptr(arg);
633 ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
634 3 * sizeof(struct sockaddr));
635 ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
636 ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
637 ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
638 ret |= __get_user (r4.rt_window, &(ur4->rt_window));
639 ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
640 ret |= __get_user (rtdev, &(ur4->rt_dev));
641 if (rtdev) {
642 ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
643 r4.rt_dev = devname; devname[15] = 0;
644 } else
645 r4.rt_dev = NULL;
646
647 r = (void *) &r4;
648 }
649
650 if (ret) {
651 ret = -EFAULT;
652 goto out;
653 }
654
655 set_fs (KERNEL_DS);
656 ret = sys_ioctl (fd, cmd, (unsigned long) r);
657 set_fs (old_fs);
658
659 out:
660 if (mysock)
661 sockfd_put(mysock);
662
663 return ret;
664 }
665 #endif
666
667 struct hd_geometry32 {
668 unsigned char heads;
669 unsigned char sectors;
670 unsigned short cylinders;
671 u32 start;
672 };
673
674 static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg)
675 {
676 mm_segment_t old_fs = get_fs();
677 struct hd_geometry geo;
678 struct hd_geometry32 __user *ugeo;
679 int err;
680
681 set_fs (KERNEL_DS);
682 err = sys_ioctl(fd, HDIO_GETGEO, (unsigned long)&geo);
683 set_fs (old_fs);
684 ugeo = compat_ptr(arg);
685 if (!err) {
686 err = copy_to_user (ugeo, &geo, 4);
687 err |= __put_user (geo.start, &ugeo->start);
688 }
689 return err ? -EFAULT : 0;
690 }
691
692 static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
693 {
694 mm_segment_t old_fs = get_fs();
695 unsigned long kval;
696 unsigned int __user *uvp;
697 int error;
698
699 set_fs(KERNEL_DS);
700 error = sys_ioctl(fd, cmd, (long)&kval);
701 set_fs(old_fs);
702
703 if(error == 0) {
704 uvp = compat_ptr(arg);
705 if(put_user(kval, uvp))
706 error = -EFAULT;
707 }
708 return error;
709 }
710
711
712 typedef struct sg_io_hdr32 {
713 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
714 compat_int_t dxfer_direction; /* [i] data transfer direction */
715 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
716 unsigned char mx_sb_len; /* [i] max length to write to sbp */
717 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
718 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
719 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
720 or scatter gather list */
721 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
722 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
723 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
724 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
725 compat_int_t pack_id; /* [i->o] unused internally (normally) */
726 compat_uptr_t usr_ptr; /* [i->o] unused internally */
727 unsigned char status; /* [o] scsi status */
728 unsigned char masked_status; /* [o] shifted, masked scsi status */
729 unsigned char msg_status; /* [o] messaging level data (optional) */
730 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
731 unsigned short host_status; /* [o] errors from host adapter */
732 unsigned short driver_status; /* [o] errors from software driver */
733 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
734 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
735 compat_uint_t info; /* [o] auxiliary information */
736 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
737
738 typedef struct sg_iovec32 {
739 compat_uint_t iov_base;
740 compat_uint_t iov_len;
741 } sg_iovec32_t;
742
743 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
744 {
745 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
746 sg_iovec32_t __user *iov32 = dxferp;
747 int i;
748
749 for (i = 0; i < iovec_count; i++) {
750 u32 base, len;
751
752 if (get_user(base, &iov32[i].iov_base) ||
753 get_user(len, &iov32[i].iov_len) ||
754 put_user(compat_ptr(base), &iov[i].iov_base) ||
755 put_user(len, &iov[i].iov_len))
756 return -EFAULT;
757 }
758
759 if (put_user(iov, &sgio->dxferp))
760 return -EFAULT;
761 return 0;
762 }
763
764 static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
765 {
766 sg_io_hdr_t __user *sgio;
767 sg_io_hdr32_t __user *sgio32;
768 u16 iovec_count;
769 u32 data;
770 void __user *dxferp;
771 int err;
772
773 sgio32 = compat_ptr(arg);
774 if (get_user(iovec_count, &sgio32->iovec_count))
775 return -EFAULT;
776
777 {
778 void __user *top = compat_alloc_user_space(0);
779 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
780 (iovec_count * sizeof(sg_iovec_t)));
781 if (new > top)
782 return -EINVAL;
783
784 sgio = new;
785 }
786
787 /* Ok, now construct. */
788 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
789 (2 * sizeof(int)) +
790 (2 * sizeof(unsigned char)) +
791 (1 * sizeof(unsigned short)) +
792 (1 * sizeof(unsigned int))))
793 return -EFAULT;
794
795 if (get_user(data, &sgio32->dxferp))
796 return -EFAULT;
797 dxferp = compat_ptr(data);
798 if (iovec_count) {
799 if (sg_build_iovec(sgio, dxferp, iovec_count))
800 return -EFAULT;
801 } else {
802 if (put_user(dxferp, &sgio->dxferp))
803 return -EFAULT;
804 }
805
806 {
807 unsigned char __user *cmdp;
808 unsigned char __user *sbp;
809
810 if (get_user(data, &sgio32->cmdp))
811 return -EFAULT;
812 cmdp = compat_ptr(data);
813
814 if (get_user(data, &sgio32->sbp))
815 return -EFAULT;
816 sbp = compat_ptr(data);
817
818 if (put_user(cmdp, &sgio->cmdp) ||
819 put_user(sbp, &sgio->sbp))
820 return -EFAULT;
821 }
822
823 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
824 3 * sizeof(int)))
825 return -EFAULT;
826
827 if (get_user(data, &sgio32->usr_ptr))
828 return -EFAULT;
829 if (put_user(compat_ptr(data), &sgio->usr_ptr))
830 return -EFAULT;
831
832 if (copy_in_user(&sgio->status, &sgio32->status,
833 (4 * sizeof(unsigned char)) +
834 (2 * sizeof(unsigned (short))) +
835 (3 * sizeof(int))))
836 return -EFAULT;
837
838 err = sys_ioctl(fd, cmd, (unsigned long) sgio);
839
840 if (err >= 0) {
841 void __user *datap;
842
843 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
844 sizeof(int)) ||
845 get_user(datap, &sgio->usr_ptr) ||
846 put_user((u32)(unsigned long)datap,
847 &sgio32->usr_ptr) ||
848 copy_in_user(&sgio32->status, &sgio->status,
849 (4 * sizeof(unsigned char)) +
850 (2 * sizeof(unsigned short)) +
851 (3 * sizeof(int))))
852 err = -EFAULT;
853 }
854
855 return err;
856 }
857
858 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
859 char req_state;
860 char orphan;
861 char sg_io_owned;
862 char problem;
863 int pack_id;
864 compat_uptr_t usr_ptr;
865 unsigned int duration;
866 int unused;
867 };
868
869 static int sg_grt_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
870 {
871 int err, i;
872 sg_req_info_t __user *r;
873 struct compat_sg_req_info __user *o = (void __user *)arg;
874 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
875 err = sys_ioctl(fd,cmd,(unsigned long)r);
876 if (err < 0)
877 return err;
878 for (i = 0; i < SG_MAX_QUEUE; i++) {
879 void __user *ptr;
880 int d;
881
882 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
883 get_user(ptr, &r[i].usr_ptr) ||
884 get_user(d, &r[i].duration) ||
885 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
886 put_user(d, &o[i].duration))
887 return -EFAULT;
888 }
889 return err;
890 }
891
892 struct sock_fprog32 {
893 unsigned short len;
894 compat_caddr_t filter;
895 };
896
897 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
898 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
899
900 static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
901 {
902 struct sock_fprog32 __user *u_fprog32 = compat_ptr(arg);
903 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
904 void __user *fptr64;
905 u32 fptr32;
906 u16 flen;
907
908 if (get_user(flen, &u_fprog32->len) ||
909 get_user(fptr32, &u_fprog32->filter))
910 return -EFAULT;
911
912 fptr64 = compat_ptr(fptr32);
913
914 if (put_user(flen, &u_fprog64->len) ||
915 put_user(fptr64, &u_fprog64->filter))
916 return -EFAULT;
917
918 if (cmd == PPPIOCSPASS32)
919 cmd = PPPIOCSPASS;
920 else
921 cmd = PPPIOCSACTIVE;
922
923 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
924 }
925
926 struct ppp_option_data32 {
927 compat_caddr_t ptr;
928 u32 length;
929 compat_int_t transmit;
930 };
931 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
932
933 struct ppp_idle32 {
934 compat_time_t xmit_idle;
935 compat_time_t recv_idle;
936 };
937 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
938
939 static int ppp_gidle(unsigned int fd, unsigned int cmd, unsigned long arg)
940 {
941 struct ppp_idle __user *idle;
942 struct ppp_idle32 __user *idle32;
943 __kernel_time_t xmit, recv;
944 int err;
945
946 idle = compat_alloc_user_space(sizeof(*idle));
947 idle32 = compat_ptr(arg);
948
949 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
950
951 if (!err) {
952 if (get_user(xmit, &idle->xmit_idle) ||
953 get_user(recv, &idle->recv_idle) ||
954 put_user(xmit, &idle32->xmit_idle) ||
955 put_user(recv, &idle32->recv_idle))
956 err = -EFAULT;
957 }
958 return err;
959 }
960
961 static int ppp_scompress(unsigned int fd, unsigned int cmd, unsigned long arg)
962 {
963 struct ppp_option_data __user *odata;
964 struct ppp_option_data32 __user *odata32;
965 __u32 data;
966 void __user *datap;
967
968 odata = compat_alloc_user_space(sizeof(*odata));
969 odata32 = compat_ptr(arg);
970
971 if (get_user(data, &odata32->ptr))
972 return -EFAULT;
973
974 datap = compat_ptr(data);
975 if (put_user(datap, &odata->ptr))
976 return -EFAULT;
977
978 if (copy_in_user(&odata->length, &odata32->length,
979 sizeof(__u32) + sizeof(int)))
980 return -EFAULT;
981
982 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
983 }
984
985 static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
986 {
987 int err;
988
989 switch (cmd) {
990 case PPPIOCGIDLE32:
991 err = ppp_gidle(fd, cmd, arg);
992 break;
993
994 case PPPIOCSCOMPRESS32:
995 err = ppp_scompress(fd, cmd, arg);
996 break;
997
998 default:
999 do {
1000 static int count;
1001 if (++count <= 20)
1002 printk("ppp_ioctl: Unknown cmd fd(%d) "
1003 "cmd(%08x) arg(%08x)\n",
1004 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1005 } while(0);
1006 err = -EINVAL;
1007 break;
1008 };
1009
1010 return err;
1011 }
1012
1013
1014 struct mtget32 {
1015 compat_long_t mt_type;
1016 compat_long_t mt_resid;
1017 compat_long_t mt_dsreg;
1018 compat_long_t mt_gstat;
1019 compat_long_t mt_erreg;
1020 compat_daddr_t mt_fileno;
1021 compat_daddr_t mt_blkno;
1022 };
1023 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
1024
1025 struct mtpos32 {
1026 compat_long_t mt_blkno;
1027 };
1028 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
1029
1030 static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1031 {
1032 mm_segment_t old_fs = get_fs();
1033 struct mtget get;
1034 struct mtget32 __user *umget32;
1035 struct mtpos pos;
1036 struct mtpos32 __user *upos32;
1037 unsigned long kcmd;
1038 void *karg;
1039 int err = 0;
1040
1041 switch(cmd) {
1042 case MTIOCPOS32:
1043 kcmd = MTIOCPOS;
1044 karg = &pos;
1045 break;
1046 case MTIOCGET32:
1047 kcmd = MTIOCGET;
1048 karg = &get;
1049 break;
1050 default:
1051 do {
1052 static int count;
1053 if (++count <= 20)
1054 printk("mt_ioctl: Unknown cmd fd(%d) "
1055 "cmd(%08x) arg(%08x)\n",
1056 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1057 } while(0);
1058 return -EINVAL;
1059 }
1060 set_fs (KERNEL_DS);
1061 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
1062 set_fs (old_fs);
1063 if (err)
1064 return err;
1065 switch (cmd) {
1066 case MTIOCPOS32:
1067 upos32 = compat_ptr(arg);
1068 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
1069 break;
1070 case MTIOCGET32:
1071 umget32 = compat_ptr(arg);
1072 err = __put_user(get.mt_type, &umget32->mt_type);
1073 err |= __put_user(get.mt_resid, &umget32->mt_resid);
1074 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
1075 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
1076 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
1077 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
1078 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
1079 break;
1080 }
1081 return err ? -EFAULT: 0;
1082 }
1083
1084 struct cdrom_read_audio32 {
1085 union cdrom_addr addr;
1086 u8 addr_format;
1087 compat_int_t nframes;
1088 compat_caddr_t buf;
1089 };
1090
1091 struct cdrom_generic_command32 {
1092 unsigned char cmd[CDROM_PACKET_SIZE];
1093 compat_caddr_t buffer;
1094 compat_uint_t buflen;
1095 compat_int_t stat;
1096 compat_caddr_t sense;
1097 unsigned char data_direction;
1098 compat_int_t quiet;
1099 compat_int_t timeout;
1100 compat_caddr_t reserved[1];
1101 };
1102
1103 static int cdrom_do_read_audio(unsigned int fd, unsigned int cmd, unsigned long arg)
1104 {
1105 struct cdrom_read_audio __user *cdread_audio;
1106 struct cdrom_read_audio32 __user *cdread_audio32;
1107 __u32 data;
1108 void __user *datap;
1109
1110 cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio));
1111 cdread_audio32 = compat_ptr(arg);
1112
1113 if (copy_in_user(&cdread_audio->addr,
1114 &cdread_audio32->addr,
1115 (sizeof(*cdread_audio32) -
1116 sizeof(compat_caddr_t))))
1117 return -EFAULT;
1118
1119 if (get_user(data, &cdread_audio32->buf))
1120 return -EFAULT;
1121 datap = compat_ptr(data);
1122 if (put_user(datap, &cdread_audio->buf))
1123 return -EFAULT;
1124
1125 return sys_ioctl(fd, cmd, (unsigned long) cdread_audio);
1126 }
1127
1128 static int cdrom_do_generic_command(unsigned int fd, unsigned int cmd, unsigned long arg)
1129 {
1130 struct cdrom_generic_command __user *cgc;
1131 struct cdrom_generic_command32 __user *cgc32;
1132 u32 data;
1133 unsigned char dir;
1134 int itmp;
1135
1136 cgc = compat_alloc_user_space(sizeof(*cgc));
1137 cgc32 = compat_ptr(arg);
1138
1139 if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) ||
1140 get_user(data, &cgc32->buffer) ||
1141 put_user(compat_ptr(data), &cgc->buffer) ||
1142 copy_in_user(&cgc->buflen, &cgc32->buflen,
1143 (sizeof(unsigned int) + sizeof(int))) ||
1144 get_user(data, &cgc32->sense) ||
1145 put_user(compat_ptr(data), &cgc->sense) ||
1146 get_user(dir, &cgc32->data_direction) ||
1147 put_user(dir, &cgc->data_direction) ||
1148 get_user(itmp, &cgc32->quiet) ||
1149 put_user(itmp, &cgc->quiet) ||
1150 get_user(itmp, &cgc32->timeout) ||
1151 put_user(itmp, &cgc->timeout) ||
1152 get_user(data, &cgc32->reserved[0]) ||
1153 put_user(compat_ptr(data), &cgc->reserved[0]))
1154 return -EFAULT;
1155
1156 return sys_ioctl(fd, cmd, (unsigned long) cgc);
1157 }
1158
1159 static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1160 {
1161 int err;
1162
1163 switch(cmd) {
1164 case CDROMREADAUDIO:
1165 err = cdrom_do_read_audio(fd, cmd, arg);
1166 break;
1167
1168 case CDROM_SEND_PACKET:
1169 err = cdrom_do_generic_command(fd, cmd, arg);
1170 break;
1171
1172 default:
1173 do {
1174 static int count;
1175 if (++count <= 20)
1176 printk("cdrom_ioctl: Unknown cmd fd(%d) "
1177 "cmd(%08x) arg(%08x)\n",
1178 (int)fd, (unsigned int)cmd, (unsigned int)arg);
1179 } while(0);
1180 err = -EINVAL;
1181 break;
1182 };
1183
1184 return err;
1185 }
1186
1187 #ifdef CONFIG_VT
1188
1189 static int vt_check(struct file *file)
1190 {
1191 struct tty_struct *tty;
1192 struct inode *inode = file->f_dentry->d_inode;
1193
1194 if (file->f_op->ioctl != tty_ioctl)
1195 return -EINVAL;
1196
1197 tty = (struct tty_struct *)file->private_data;
1198 if (tty_paranoia_check(tty, inode, "tty_ioctl"))
1199 return -EINVAL;
1200
1201 if (tty->driver->ioctl != vt_ioctl)
1202 return -EINVAL;
1203
1204 /*
1205 * To have permissions to do most of the vt ioctls, we either have
1206 * to be the owner of the tty, or super-user.
1207 */
1208 if (current->signal->tty == tty || capable(CAP_SYS_ADMIN))
1209 return 1;
1210 return 0;
1211 }
1212
1213 struct consolefontdesc32 {
1214 unsigned short charcount; /* characters in font (256 or 512) */
1215 unsigned short charheight; /* scan lines per character (1-32) */
1216 compat_caddr_t chardata; /* font data in expanded form */
1217 };
1218
1219 static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1220 {
1221 struct consolefontdesc32 __user *user_cfd = compat_ptr(arg);
1222 struct console_font_op op;
1223 compat_caddr_t data;
1224 int i, perm;
1225
1226 perm = vt_check(file);
1227 if (perm < 0) return perm;
1228
1229 switch (cmd) {
1230 case PIO_FONTX:
1231 if (!perm)
1232 return -EPERM;
1233 op.op = KD_FONT_OP_SET;
1234 op.flags = 0;
1235 op.width = 8;
1236 if (get_user(op.height, &user_cfd->charheight) ||
1237 get_user(op.charcount, &user_cfd->charcount) ||
1238 get_user(data, &user_cfd->chardata))
1239 return -EFAULT;
1240 op.data = compat_ptr(data);
1241 return con_font_op(vc_cons[fg_console].d, &op);
1242 case GIO_FONTX:
1243 op.op = KD_FONT_OP_GET;
1244 op.flags = 0;
1245 op.width = 8;
1246 if (get_user(op.height, &user_cfd->charheight) ||
1247 get_user(op.charcount, &user_cfd->charcount) ||
1248 get_user(data, &user_cfd->chardata))
1249 return -EFAULT;
1250 if (!data)
1251 return 0;
1252 op.data = compat_ptr(data);
1253 i = con_font_op(vc_cons[fg_console].d, &op);
1254 if (i)
1255 return i;
1256 if (put_user(op.height, &user_cfd->charheight) ||
1257 put_user(op.charcount, &user_cfd->charcount) ||
1258 put_user((compat_caddr_t)(unsigned long)op.data,
1259 &user_cfd->chardata))
1260 return -EFAULT;
1261 return 0;
1262 }
1263 return -EINVAL;
1264 }
1265
1266 struct console_font_op32 {
1267 compat_uint_t op; /* operation code KD_FONT_OP_* */
1268 compat_uint_t flags; /* KD_FONT_FLAG_* */
1269 compat_uint_t width, height; /* font size */
1270 compat_uint_t charcount;
1271 compat_caddr_t data; /* font data with height fixed to 32 */
1272 };
1273
1274 static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1275 {
1276 struct console_font_op op;
1277 struct console_font_op32 __user *fontop = compat_ptr(arg);
1278 int perm = vt_check(file), i;
1279 struct vc_data *vc;
1280
1281 if (perm < 0) return perm;
1282
1283 if (copy_from_user(&op, fontop, sizeof(struct console_font_op32)))
1284 return -EFAULT;
1285 if (!perm && op.op != KD_FONT_OP_GET)
1286 return -EPERM;
1287 op.data = compat_ptr(((struct console_font_op32 *)&op)->data);
1288 op.flags |= KD_FONT_FLAG_OLD;
1289 vc = ((struct tty_struct *)file->private_data)->driver_data;
1290 i = con_font_op(vc, &op);
1291 if (i)
1292 return i;
1293 ((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
1294 if (copy_to_user(fontop, &op, sizeof(struct console_font_op32)))
1295 return -EFAULT;
1296 return 0;
1297 }
1298
1299 struct unimapdesc32 {
1300 unsigned short entry_ct;
1301 compat_caddr_t entries;
1302 };
1303
1304 static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1305 {
1306 struct unimapdesc32 tmp;
1307 struct unimapdesc32 __user *user_ud = compat_ptr(arg);
1308 int perm = vt_check(file);
1309
1310 if (perm < 0) return perm;
1311 if (copy_from_user(&tmp, user_ud, sizeof tmp))
1312 return -EFAULT;
1313 switch (cmd) {
1314 case PIO_UNIMAP:
1315 if (!perm) return -EPERM;
1316 return con_set_unimap(vc_cons[fg_console].d, tmp.entry_ct, compat_ptr(tmp.entries));
1317 case GIO_UNIMAP:
1318 return con_get_unimap(vc_cons[fg_console].d, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries));
1319 }
1320 return 0;
1321 }
1322
1323 #endif /* CONFIG_VT */
1324
1325 static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg)
1326 {
1327 mm_segment_t old_fs = get_fs();
1328 __kernel_uid_t kuid;
1329 int err;
1330
1331 cmd = SMB_IOC_GETMOUNTUID;
1332
1333 set_fs(KERNEL_DS);
1334 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
1335 set_fs(old_fs);
1336
1337 if (err >= 0)
1338 err = put_user(kuid, (compat_uid_t __user *)compat_ptr(arg));
1339
1340 return err;
1341 }
1342
1343 struct atmif_sioc32 {
1344 compat_int_t number;
1345 compat_int_t length;
1346 compat_caddr_t arg;
1347 };
1348
1349 struct atm_iobuf32 {
1350 compat_int_t length;
1351 compat_caddr_t buffer;
1352 };
1353
1354 #define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
1355 #define ATM_GETNAMES32 _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
1356 #define ATM_GETTYPE32 _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
1357 #define ATM_GETESI32 _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
1358 #define ATM_GETADDR32 _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
1359 #define ATM_RSTADDR32 _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
1360 #define ATM_ADDADDR32 _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
1361 #define ATM_DELADDR32 _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
1362 #define ATM_GETCIRANGE32 _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
1363 #define ATM_SETCIRANGE32 _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
1364 #define ATM_SETESI32 _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
1365 #define ATM_SETESIF32 _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
1366 #define ATM_GETSTAT32 _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
1367 #define ATM_GETSTATZ32 _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
1368 #define ATM_GETLOOP32 _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
1369 #define ATM_SETLOOP32 _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
1370 #define ATM_QUERYLOOP32 _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
1371
1372 static struct {
1373 unsigned int cmd32;
1374 unsigned int cmd;
1375 } atm_ioctl_map[] = {
1376 { ATM_GETLINKRATE32, ATM_GETLINKRATE },
1377 { ATM_GETNAMES32, ATM_GETNAMES },
1378 { ATM_GETTYPE32, ATM_GETTYPE },
1379 { ATM_GETESI32, ATM_GETESI },
1380 { ATM_GETADDR32, ATM_GETADDR },
1381 { ATM_RSTADDR32, ATM_RSTADDR },
1382 { ATM_ADDADDR32, ATM_ADDADDR },
1383 { ATM_DELADDR32, ATM_DELADDR },
1384 { ATM_GETCIRANGE32, ATM_GETCIRANGE },
1385 { ATM_SETCIRANGE32, ATM_SETCIRANGE },
1386 { ATM_SETESI32, ATM_SETESI },
1387 { ATM_SETESIF32, ATM_SETESIF },
1388 { ATM_GETSTAT32, ATM_GETSTAT },
1389 { ATM_GETSTATZ32, ATM_GETSTATZ },
1390 { ATM_GETLOOP32, ATM_GETLOOP },
1391 { ATM_SETLOOP32, ATM_SETLOOP },
1392 { ATM_QUERYLOOP32, ATM_QUERYLOOP }
1393 };
1394
1395 #define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
1396
1397 static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
1398 {
1399 struct atm_iobuf __user *iobuf;
1400 struct atm_iobuf32 __user *iobuf32;
1401 u32 data;
1402 void __user *datap;
1403 int len, err;
1404
1405 iobuf = compat_alloc_user_space(sizeof(*iobuf));
1406 iobuf32 = compat_ptr(arg);
1407
1408 if (get_user(len, &iobuf32->length) ||
1409 get_user(data, &iobuf32->buffer))
1410 return -EFAULT;
1411 datap = compat_ptr(data);
1412 if (put_user(len, &iobuf->length) ||
1413 put_user(datap, &iobuf->buffer))
1414 return -EFAULT;
1415
1416 err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
1417
1418 if (!err) {
1419 if (copy_in_user(&iobuf32->length, &iobuf->length,
1420 sizeof(int)))
1421 err = -EFAULT;
1422 }
1423
1424 return err;
1425 }
1426
1427 static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
1428 {
1429 struct atmif_sioc __user *sioc;
1430 struct atmif_sioc32 __user *sioc32;
1431 u32 data;
1432 void __user *datap;
1433 int err;
1434
1435 sioc = compat_alloc_user_space(sizeof(*sioc));
1436 sioc32 = compat_ptr(arg);
1437
1438 if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
1439 get_user(data, &sioc32->arg))
1440 return -EFAULT;
1441 datap = compat_ptr(data);
1442 if (put_user(datap, &sioc->arg))
1443 return -EFAULT;
1444
1445 err = sys_ioctl(fd, cmd, (unsigned long) sioc);
1446
1447 if (!err) {
1448 if (copy_in_user(&sioc32->length, &sioc->length,
1449 sizeof(int)))
1450 err = -EFAULT;
1451 }
1452 return err;
1453 }
1454
1455 static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
1456 {
1457 int i;
1458 unsigned int cmd = 0;
1459
1460 switch (cmd32) {
1461 case SONET_GETSTAT:
1462 case SONET_GETSTATZ:
1463 case SONET_GETDIAG:
1464 case SONET_SETDIAG:
1465 case SONET_CLRDIAG:
1466 case SONET_SETFRAMING:
1467 case SONET_GETFRAMING:
1468 case SONET_GETFRSENSE:
1469 return do_atmif_sioc(fd, cmd32, arg);
1470 }
1471
1472 for (i = 0; i < NR_ATM_IOCTL; i++) {
1473 if (cmd32 == atm_ioctl_map[i].cmd32) {
1474 cmd = atm_ioctl_map[i].cmd;
1475 break;
1476 }
1477 }
1478 if (i == NR_ATM_IOCTL)
1479 return -EINVAL;
1480
1481 switch (cmd) {
1482 case ATM_GETNAMES:
1483 return do_atm_iobuf(fd, cmd, arg);
1484
1485 case ATM_GETLINKRATE:
1486 case ATM_GETTYPE:
1487 case ATM_GETESI:
1488 case ATM_GETADDR:
1489 case ATM_RSTADDR:
1490 case ATM_ADDADDR:
1491 case ATM_DELADDR:
1492 case ATM_GETCIRANGE:
1493 case ATM_SETCIRANGE:
1494 case ATM_SETESI:
1495 case ATM_SETESIF:
1496 case ATM_GETSTAT:
1497 case ATM_GETSTATZ:
1498 case ATM_GETLOOP:
1499 case ATM_SETLOOP:
1500 case ATM_QUERYLOOP:
1501 return do_atmif_sioc(fd, cmd, arg);
1502 }
1503
1504 return -EINVAL;
1505 }
1506
1507 static __attribute_used__ int
1508 ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
1509 {
1510 return -EINVAL;
1511 }
1512
1513 static int broken_blkgetsize(unsigned int fd, unsigned int cmd, unsigned long arg)
1514 {
1515 /* The mkswap binary hard codes it to Intel value :-((( */
1516 return w_long(fd, BLKGETSIZE, arg);
1517 }
1518
1519 struct blkpg_ioctl_arg32 {
1520 compat_int_t op;
1521 compat_int_t flags;
1522 compat_int_t datalen;
1523 compat_caddr_t data;
1524 };
1525
1526 static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1527 {
1528 struct blkpg_ioctl_arg32 __user *ua32 = compat_ptr(arg);
1529 struct blkpg_ioctl_arg __user *a = compat_alloc_user_space(sizeof(*a));
1530 compat_caddr_t udata;
1531 compat_int_t n;
1532 int err;
1533
1534 err = get_user(n, &ua32->op);
1535 err |= put_user(n, &a->op);
1536 err |= get_user(n, &ua32->flags);
1537 err |= put_user(n, &a->flags);
1538 err |= get_user(n, &ua32->datalen);
1539 err |= put_user(n, &a->datalen);
1540 err |= get_user(udata, &ua32->data);
1541 err |= put_user(compat_ptr(udata), &a->data);
1542 if (err)
1543 return err;
1544
1545 return sys_ioctl(fd, cmd, (unsigned long)a);
1546 }
1547
1548 static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg)
1549 {
1550 return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg);
1551 }
1552
1553 /* Fix sizeof(sizeof()) breakage */
1554 #define BLKBSZGET_32 _IOR(0x12,112,int)
1555 #define BLKBSZSET_32 _IOW(0x12,113,int)
1556 #define BLKGETSIZE64_32 _IOR(0x12,114,int)
1557
1558 static int do_blkbszget(unsigned int fd, unsigned int cmd, unsigned long arg)
1559 {
1560 return sys_ioctl(fd, BLKBSZGET, (unsigned long)compat_ptr(arg));
1561 }
1562
1563 static int do_blkbszset(unsigned int fd, unsigned int cmd, unsigned long arg)
1564 {
1565 return sys_ioctl(fd, BLKBSZSET, (unsigned long)compat_ptr(arg));
1566 }
1567
1568 static int do_blkgetsize64(unsigned int fd, unsigned int cmd,
1569 unsigned long arg)
1570 {
1571 return sys_ioctl(fd, BLKGETSIZE64, (unsigned long)compat_ptr(arg));
1572 }
1573
1574 /* Bluetooth ioctls */
1575 #define HCIUARTSETPROTO _IOW('U', 200, int)
1576 #define HCIUARTGETPROTO _IOR('U', 201, int)
1577
1578 #define BNEPCONNADD _IOW('B', 200, int)
1579 #define BNEPCONNDEL _IOW('B', 201, int)
1580 #define BNEPGETCONNLIST _IOR('B', 210, int)
1581 #define BNEPGETCONNINFO _IOR('B', 211, int)
1582
1583 #define CMTPCONNADD _IOW('C', 200, int)
1584 #define CMTPCONNDEL _IOW('C', 201, int)
1585 #define CMTPGETCONNLIST _IOR('C', 210, int)
1586 #define CMTPGETCONNINFO _IOR('C', 211, int)
1587
1588 #define HIDPCONNADD _IOW('H', 200, int)
1589 #define HIDPCONNDEL _IOW('H', 201, int)
1590 #define HIDPGETCONNLIST _IOR('H', 210, int)
1591 #define HIDPGETCONNINFO _IOR('H', 211, int)
1592
1593 struct floppy_struct32 {
1594 compat_uint_t size;
1595 compat_uint_t sect;
1596 compat_uint_t head;
1597 compat_uint_t track;
1598 compat_uint_t stretch;
1599 unsigned char gap;
1600 unsigned char rate;
1601 unsigned char spec1;
1602 unsigned char fmt_gap;
1603 const compat_caddr_t name;
1604 };
1605
1606 struct floppy_drive_params32 {
1607 char cmos;
1608 compat_ulong_t max_dtr;
1609 compat_ulong_t hlt;
1610 compat_ulong_t hut;
1611 compat_ulong_t srt;
1612 compat_ulong_t spinup;
1613 compat_ulong_t spindown;
1614 unsigned char spindown_offset;
1615 unsigned char select_delay;
1616 unsigned char rps;
1617 unsigned char tracks;
1618 compat_ulong_t timeout;
1619 unsigned char interleave_sect;
1620 struct floppy_max_errors max_errors;
1621 char flags;
1622 char read_track;
1623 short autodetect[8];
1624 compat_int_t checkfreq;
1625 compat_int_t native_format;
1626 };
1627
1628 struct floppy_drive_struct32 {
1629 signed char flags;
1630 compat_ulong_t spinup_date;
1631 compat_ulong_t select_date;
1632 compat_ulong_t first_read_date;
1633 short probed_format;
1634 short track;
1635 short maxblock;
1636 short maxtrack;
1637 compat_int_t generation;
1638 compat_int_t keep_data;
1639 compat_int_t fd_ref;
1640 compat_int_t fd_device;
1641 compat_int_t last_checked;
1642 compat_caddr_t dmabuf;
1643 compat_int_t bufblocks;
1644 };
1645
1646 struct floppy_fdc_state32 {
1647 compat_int_t spec1;
1648 compat_int_t spec2;
1649 compat_int_t dtr;
1650 unsigned char version;
1651 unsigned char dor;
1652 compat_ulong_t address;
1653 unsigned int rawcmd:2;
1654 unsigned int reset:1;
1655 unsigned int need_configure:1;
1656 unsigned int perp_mode:2;
1657 unsigned int has_fifo:1;
1658 unsigned int driver_version;
1659 unsigned char track[4];
1660 };
1661
1662 struct floppy_write_errors32 {
1663 unsigned int write_errors;
1664 compat_ulong_t first_error_sector;
1665 compat_int_t first_error_generation;
1666 compat_ulong_t last_error_sector;
1667 compat_int_t last_error_generation;
1668 compat_uint_t badness;
1669 };
1670
1671 #define FDSETPRM32 _IOW(2, 0x42, struct floppy_struct32)
1672 #define FDDEFPRM32 _IOW(2, 0x43, struct floppy_struct32)
1673 #define FDGETPRM32 _IOR(2, 0x04, struct floppy_struct32)
1674 #define FDSETDRVPRM32 _IOW(2, 0x90, struct floppy_drive_params32)
1675 #define FDGETDRVPRM32 _IOR(2, 0x11, struct floppy_drive_params32)
1676 #define FDGETDRVSTAT32 _IOR(2, 0x12, struct floppy_drive_struct32)
1677 #define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct floppy_drive_struct32)
1678 #define FDGETFDCSTAT32 _IOR(2, 0x15, struct floppy_fdc_state32)
1679 #define FDWERRORGET32 _IOR(2, 0x17, struct floppy_write_errors32)
1680
1681 static struct {
1682 unsigned int cmd32;
1683 unsigned int cmd;
1684 } fd_ioctl_trans_table[] = {
1685 { FDSETPRM32, FDSETPRM },
1686 { FDDEFPRM32, FDDEFPRM },
1687 { FDGETPRM32, FDGETPRM },
1688 { FDSETDRVPRM32, FDSETDRVPRM },
1689 { FDGETDRVPRM32, FDGETDRVPRM },
1690 { FDGETDRVSTAT32, FDGETDRVSTAT },
1691 { FDPOLLDRVSTAT32, FDPOLLDRVSTAT },
1692 { FDGETFDCSTAT32, FDGETFDCSTAT },
1693 { FDWERRORGET32, FDWERRORGET }
1694 };
1695
1696 #define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table)
1697
1698 static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1699 {
1700 mm_segment_t old_fs = get_fs();
1701 void *karg = NULL;
1702 unsigned int kcmd = 0;
1703 int i, err;
1704
1705 for (i = 0; i < NR_FD_IOCTL_TRANS; i++)
1706 if (cmd == fd_ioctl_trans_table[i].cmd32) {
1707 kcmd = fd_ioctl_trans_table[i].cmd;
1708 break;
1709 }
1710 if (!kcmd)
1711 return -EINVAL;
1712
1713 switch (cmd) {
1714 case FDSETPRM32:
1715 case FDDEFPRM32:
1716 case FDGETPRM32:
1717 {
1718 compat_uptr_t name;
1719 struct floppy_struct32 __user *uf;
1720 struct floppy_struct *f;
1721
1722 uf = compat_ptr(arg);
1723 f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL);
1724 if (!karg)
1725 return -ENOMEM;
1726 if (cmd == FDGETPRM32)
1727 break;
1728 err = __get_user(f->size, &uf->size);
1729 err |= __get_user(f->sect, &uf->sect);
1730 err |= __get_user(f->head, &uf->head);
1731 err |= __get_user(f->track, &uf->track);
1732 err |= __get_user(f->stretch, &uf->stretch);
1733 err |= __get_user(f->gap, &uf->gap);
1734 err |= __get_user(f->rate, &uf->rate);
1735 err |= __get_user(f->spec1, &uf->spec1);
1736 err |= __get_user(f->fmt_gap, &uf->fmt_gap);
1737 err |= __get_user(name, &uf->name);
1738 f->name = compat_ptr(name);
1739 if (err) {
1740 err = -EFAULT;
1741 goto out;
1742 }
1743 break;
1744 }
1745 case FDSETDRVPRM32:
1746 case FDGETDRVPRM32:
1747 {
1748 struct floppy_drive_params32 __user *uf;
1749 struct floppy_drive_params *f;
1750
1751 uf = compat_ptr(arg);
1752 f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL);
1753 if (!karg)
1754 return -ENOMEM;
1755 if (cmd == FDGETDRVPRM32)
1756 break;
1757 err = __get_user(f->cmos, &uf->cmos);
1758 err |= __get_user(f->max_dtr, &uf->max_dtr);
1759 err |= __get_user(f->hlt, &uf->hlt);
1760 err |= __get_user(f->hut, &uf->hut);
1761 err |= __get_user(f->srt, &uf->srt);
1762 err |= __get_user(f->spinup, &uf->spinup);
1763 err |= __get_user(f->spindown, &uf->spindown);
1764 err |= __get_user(f->spindown_offset, &uf->spindown_offset);
1765 err |= __get_user(f->select_delay, &uf->select_delay);
1766 err |= __get_user(f->rps, &uf->rps);
1767 err |= __get_user(f->tracks, &uf->tracks);
1768 err |= __get_user(f->timeout, &uf->timeout);
1769 err |= __get_user(f->interleave_sect, &uf->interleave_sect);
1770 err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors));
1771 err |= __get_user(f->flags, &uf->flags);
1772 err |= __get_user(f->read_track, &uf->read_track);
1773 err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect));
1774 err |= __get_user(f->checkfreq, &uf->checkfreq);
1775 err |= __get_user(f->native_format, &uf->native_format);
1776 if (err) {
1777 err = -EFAULT;
1778 goto out;
1779 }
1780 break;
1781 }
1782 case FDGETDRVSTAT32:
1783 case FDPOLLDRVSTAT32:
1784 karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL);
1785 if (!karg)
1786 return -ENOMEM;
1787 break;
1788 case FDGETFDCSTAT32:
1789 karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL);
1790 if (!karg)
1791 return -ENOMEM;
1792 break;
1793 case FDWERRORGET32:
1794 karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL);
1795 if (!karg)
1796 return -ENOMEM;
1797 break;
1798 default:
1799 return -EINVAL;
1800 }
1801 set_fs (KERNEL_DS);
1802 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
1803 set_fs (old_fs);
1804 if (err)
1805 goto out;
1806 switch (cmd) {
1807 case FDGETPRM32:
1808 {
1809 struct floppy_struct *f = karg;
1810 struct floppy_struct32 __user *uf = compat_ptr(arg);
1811
1812 err = __put_user(f->size, &uf->size);
1813 err |= __put_user(f->sect, &uf->sect);
1814 err |= __put_user(f->head, &uf->head);
1815 err |= __put_user(f->track, &uf->track);
1816 err |= __put_user(f->stretch, &uf->stretch);
1817 err |= __put_user(f->gap, &uf->gap);
1818 err |= __put_user(f->rate, &uf->rate);
1819 err |= __put_user(f->spec1, &uf->spec1);
1820 err |= __put_user(f->fmt_gap, &uf->fmt_gap);
1821 err |= __put_user((u64)f->name, (compat_caddr_t __user *)&uf->name);
1822 break;
1823 }
1824 case FDGETDRVPRM32:
1825 {
1826 struct floppy_drive_params32 __user *uf;
1827 struct floppy_drive_params *f = karg;
1828
1829 uf = compat_ptr(arg);
1830 err = __put_user(f->cmos, &uf->cmos);
1831 err |= __put_user(f->max_dtr, &uf->max_dtr);
1832 err |= __put_user(f->hlt, &uf->hlt);
1833 err |= __put_user(f->hut, &uf->hut);
1834 err |= __put_user(f->srt, &uf->srt);
1835 err |= __put_user(f->spinup, &uf->spinup);
1836 err |= __put_user(f->spindown, &uf->spindown);
1837 err |= __put_user(f->spindown_offset, &uf->spindown_offset);
1838 err |= __put_user(f->select_delay, &uf->select_delay);
1839 err |= __put_user(f->rps, &uf->rps);
1840 err |= __put_user(f->tracks, &uf->tracks);
1841 err |= __put_user(f->timeout, &uf->timeout);
1842 err |= __put_user(f->interleave_sect, &uf->interleave_sect);
1843 err |= __copy_to_user(&uf->max_errors, &f->max_errors, sizeof(f->max_errors));
1844 err |= __put_user(f->flags, &uf->flags);
1845 err |= __put_user(f->read_track, &uf->read_track);
1846 err |= __copy_to_user(uf->autodetect, f->autodetect, sizeof(f->autodetect));
1847 err |= __put_user(f->checkfreq, &uf->checkfreq);
1848 err |= __put_user(f->native_format, &uf->native_format);
1849 break;
1850 }
1851 case FDGETDRVSTAT32:
1852 case FDPOLLDRVSTAT32:
1853 {
1854 struct floppy_drive_struct32 __user *uf;
1855 struct floppy_drive_struct *f = karg;
1856
1857 uf = compat_ptr(arg);
1858 err = __put_user(f->flags, &uf->flags);
1859 err |= __put_user(f->spinup_date, &uf->spinup_date);
1860 err |= __put_user(f->select_date, &uf->select_date);
1861 err |= __put_user(f->first_read_date, &uf->first_read_date);
1862 err |= __put_user(f->probed_format, &uf->probed_format);
1863 err |= __put_user(f->track, &uf->track);
1864 err |= __put_user(f->maxblock, &uf->maxblock);
1865 err |= __put_user(f->maxtrack, &uf->maxtrack);
1866 err |= __put_user(f->generation, &uf->generation);
1867 err |= __put_user(f->keep_data, &uf->keep_data);
1868 err |= __put_user(f->fd_ref, &uf->fd_ref);
1869 err |= __put_user(f->fd_device, &uf->fd_device);
1870 err |= __put_user(f->last_checked, &uf->last_checked);
1871 err |= __put_user((u64)f->dmabuf, &uf->dmabuf);
1872 err |= __put_user((u64)f->bufblocks, &uf->bufblocks);
1873 break;
1874 }
1875 case FDGETFDCSTAT32:
1876 {
1877 struct floppy_fdc_state32 __user *uf;
1878 struct floppy_fdc_state *f = karg;
1879
1880 uf = compat_ptr(arg);
1881 err = __put_user(f->spec1, &uf->spec1);
1882 err |= __put_user(f->spec2, &uf->spec2);
1883 err |= __put_user(f->dtr, &uf->dtr);
1884 err |= __put_user(f->version, &uf->version);
1885 err |= __put_user(f->dor, &uf->dor);
1886 err |= __put_user(f->address, &uf->address);
1887 err |= __copy_to_user((char __user *)&uf->address + sizeof(uf->address),
1888 (char *)&f->address + sizeof(f->address), sizeof(int));
1889 err |= __put_user(f->driver_version, &uf->driver_version);
1890 err |= __copy_to_user(uf->track, f->track, sizeof(f->track));
1891 break;
1892 }
1893 case FDWERRORGET32:
1894 {
1895 struct floppy_write_errors32 __user *uf;
1896 struct floppy_write_errors *f = karg;
1897
1898 uf = compat_ptr(arg);
1899 err = __put_user(f->write_errors, &uf->write_errors);
1900 err |= __put_user(f->first_error_sector, &uf->first_error_sector);
1901 err |= __put_user(f->first_error_generation, &uf->first_error_generation);
1902 err |= __put_user(f->last_error_sector, &uf->last_error_sector);
1903 err |= __put_user(f->last_error_generation, &uf->last_error_generation);
1904 err |= __put_user(f->badness, &uf->badness);
1905 break;
1906 }
1907 default:
1908 break;
1909 }
1910 if (err)
1911 err = -EFAULT;
1912
1913 out:
1914 kfree(karg);
1915 return err;
1916 }
1917
1918 struct mtd_oob_buf32 {
1919 u_int32_t start;
1920 u_int32_t length;
1921 compat_caddr_t ptr; /* unsigned char* */
1922 };
1923
1924 #define MEMWRITEOOB32 _IOWR('M',3,struct mtd_oob_buf32)
1925 #define MEMREADOOB32 _IOWR('M',4,struct mtd_oob_buf32)
1926
1927 static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
1928 {
1929 struct mtd_oob_buf __user *buf = compat_alloc_user_space(sizeof(*buf));
1930 struct mtd_oob_buf32 __user *buf32 = compat_ptr(arg);
1931 u32 data;
1932 char __user *datap;
1933 unsigned int real_cmd;
1934 int err;
1935
1936 real_cmd = (cmd == MEMREADOOB32) ?
1937 MEMREADOOB : MEMWRITEOOB;
1938
1939 if (copy_in_user(&buf->start, &buf32->start,
1940 2 * sizeof(u32)) ||
1941 get_user(data, &buf32->ptr))
1942 return -EFAULT;
1943 datap = compat_ptr(data);
1944 if (put_user(datap, &buf->ptr))
1945 return -EFAULT;
1946
1947 err = sys_ioctl(fd, real_cmd, (unsigned long) buf);
1948
1949 if (!err) {
1950 if (copy_in_user(&buf32->start, &buf->start,
1951 2 * sizeof(u32)))
1952 err = -EFAULT;
1953 }
1954
1955 return err;
1956 }
1957
1958 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1959 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1960
1961 static long
1962 put_dirent32 (struct dirent *d, struct compat_dirent __user *d32)
1963 {
1964 if (!access_ok(VERIFY_WRITE, d32, sizeof(struct compat_dirent)))
1965 return -EFAULT;
1966
1967 __put_user(d->d_ino, &d32->d_ino);
1968 __put_user(d->d_off, &d32->d_off);
1969 __put_user(d->d_reclen, &d32->d_reclen);
1970 if (__copy_to_user(d32->d_name, d->d_name, d->d_reclen))
1971 return -EFAULT;
1972
1973 return 0;
1974 }
1975
1976 static int vfat_ioctl32(unsigned fd, unsigned cmd, unsigned long arg)
1977 {
1978 struct compat_dirent __user *p = compat_ptr(arg);
1979 int ret;
1980 mm_segment_t oldfs = get_fs();
1981 struct dirent d[2];
1982
1983 switch(cmd)
1984 {
1985 case VFAT_IOCTL_READDIR_BOTH32:
1986 cmd = VFAT_IOCTL_READDIR_BOTH;
1987 break;
1988 case VFAT_IOCTL_READDIR_SHORT32:
1989 cmd = VFAT_IOCTL_READDIR_SHORT;
1990 break;
1991 }
1992
1993 set_fs(KERNEL_DS);
1994 ret = sys_ioctl(fd,cmd,(unsigned long)&d);
1995 set_fs(oldfs);
1996 if (ret >= 0) {
1997 ret |= put_dirent32(&d[0], p);
1998 ret |= put_dirent32(&d[1], p + 1);
1999 }
2000 return ret;
2001 }
2002
2003 struct raw32_config_request
2004 {
2005 compat_int_t raw_minor;
2006 __u64 block_major;
2007 __u64 block_minor;
2008 } __attribute__((packed));
2009
2010 static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
2011 {
2012 int ret;
2013
2014 if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
2015 return -EFAULT;
2016
2017 ret = __get_user(req->raw_minor, &user_req->raw_minor);
2018 ret |= __get_user(req->block_major, &user_req->block_major);
2019 ret |= __get_user(req->block_minor, &user_req->block_minor);
2020
2021 return ret ? -EFAULT : 0;
2022 }
2023
2024 static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
2025 {
2026 int ret;
2027
2028 if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
2029 return -EFAULT;
2030
2031 ret = __put_user(req->raw_minor, &user_req->raw_minor);
2032 ret |= __put_user(req->block_major, &user_req->block_major);
2033 ret |= __put_user(req->block_minor, &user_req->block_minor);
2034
2035 return ret ? -EFAULT : 0;
2036 }
2037
2038 static int raw_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2039 {
2040 int ret;
2041
2042 switch (cmd) {
2043 case RAW_SETBIND:
2044 case RAW_GETBIND: {
2045 struct raw_config_request req;
2046 struct raw32_config_request __user *user_req = compat_ptr(arg);
2047 mm_segment_t oldfs = get_fs();
2048
2049 if ((ret = get_raw32_request(&req, user_req)))
2050 return ret;
2051
2052 set_fs(KERNEL_DS);
2053 ret = sys_ioctl(fd,cmd,(unsigned long)&req);
2054 set_fs(oldfs);
2055
2056 if ((!ret) && (cmd == RAW_GETBIND)) {
2057 ret = set_raw32_request(&req, user_req);
2058 }
2059 break;
2060 }
2061 default:
2062 ret = sys_ioctl(fd, cmd, arg);
2063 break;
2064 }
2065 return ret;
2066 }
2067
2068 struct serial_struct32 {
2069 compat_int_t type;
2070 compat_int_t line;
2071 compat_uint_t port;
2072 compat_int_t irq;
2073 compat_int_t flags;
2074 compat_int_t xmit_fifo_size;
2075 compat_int_t custom_divisor;
2076 compat_int_t baud_base;
2077 unsigned short close_delay;
2078 char io_type;
2079 char reserved_char[1];
2080 compat_int_t hub6;
2081 unsigned short closing_wait; /* time to wait before closing */
2082 unsigned short closing_wait2; /* no longer used... */
2083 compat_uint_t iomem_base;
2084 unsigned short iomem_reg_shift;
2085 unsigned int port_high;
2086 /* compat_ulong_t iomap_base FIXME */
2087 compat_int_t reserved[1];
2088 };
2089
2090 static int serial_struct_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2091 {
2092 typedef struct serial_struct SS;
2093 typedef struct serial_struct32 SS32;
2094 struct serial_struct32 __user *ss32 = compat_ptr(arg);
2095 int err;
2096 struct serial_struct ss;
2097 mm_segment_t oldseg = get_fs();
2098 __u32 udata;
2099
2100 if (cmd == TIOCSSERIAL) {
2101 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
2102 return -EFAULT;
2103 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
2104 return -EFAULT;
2105 __get_user(udata, &ss32->iomem_base);
2106 ss.iomem_base = compat_ptr(udata);
2107 __get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
2108 __get_user(ss.port_high, &ss32->port_high);
2109 ss.iomap_base = 0UL;
2110 }
2111 set_fs(KERNEL_DS);
2112 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
2113 set_fs(oldseg);
2114 if (cmd == TIOCGSERIAL && err >= 0) {
2115 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
2116 return -EFAULT;
2117 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
2118 return -EFAULT;
2119 __put_user((unsigned long)ss.iomem_base >> 32 ?
2120 0xffffffff : (unsigned)(unsigned long)ss.iomem_base,
2121 &ss32->iomem_base);
2122 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift);
2123 __put_user(ss.port_high, &ss32->port_high);
2124
2125 }
2126 return err;
2127 }
2128
2129 struct usbdevfs_ctrltransfer32 {
2130 u8 bRequestType;
2131 u8 bRequest;
2132 u16 wValue;
2133 u16 wIndex;
2134 u16 wLength;
2135 u32 timeout; /* in milliseconds */
2136 compat_caddr_t data;
2137 };
2138
2139 #define USBDEVFS_CONTROL32 _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
2140
2141 static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long arg)
2142 {
2143 struct usbdevfs_ctrltransfer32 __user *p32 = compat_ptr(arg);
2144 struct usbdevfs_ctrltransfer __user *p;
2145 __u32 udata;
2146 p = compat_alloc_user_space(sizeof(*p));
2147 if (copy_in_user(p, p32, (sizeof(*p32) - sizeof(compat_caddr_t))) ||
2148 get_user(udata, &p32->data) ||
2149 put_user(compat_ptr(udata), &p->data))
2150 return -EFAULT;
2151 return sys_ioctl(fd, USBDEVFS_CONTROL, (unsigned long)p);
2152 }
2153
2154
2155 struct usbdevfs_bulktransfer32 {
2156 compat_uint_t ep;
2157 compat_uint_t len;
2158 compat_uint_t timeout; /* in milliseconds */
2159 compat_caddr_t data;
2160 };
2161
2162 #define USBDEVFS_BULK32 _IOWR('U', 2, struct usbdevfs_bulktransfer32)
2163
2164 static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg)
2165 {
2166 struct usbdevfs_bulktransfer32 __user *p32 = compat_ptr(arg);
2167 struct usbdevfs_bulktransfer __user *p;
2168 compat_uint_t n;
2169 compat_caddr_t addr;
2170
2171 p = compat_alloc_user_space(sizeof(*p));
2172
2173 if (get_user(n, &p32->ep) || put_user(n, &p->ep) ||
2174 get_user(n, &p32->len) || put_user(n, &p->len) ||
2175 get_user(n, &p32->timeout) || put_user(n, &p->timeout) ||
2176 get_user(addr, &p32->data) || put_user(compat_ptr(addr), &p->data))
2177 return -EFAULT;
2178
2179 return sys_ioctl(fd, USBDEVFS_BULK, (unsigned long)p);
2180 }
2181
2182
2183 /*
2184 * USBDEVFS_SUBMITURB, USBDEVFS_REAPURB and USBDEVFS_REAPURBNDELAY
2185 * are handled in usbdevfs core. -Christopher Li
2186 */
2187
2188 struct usbdevfs_disconnectsignal32 {
2189 compat_int_t signr;
2190 compat_caddr_t context;
2191 };
2192
2193 #define USBDEVFS_DISCSIGNAL32 _IOR('U', 14, struct usbdevfs_disconnectsignal32)
2194
2195 static int do_usbdevfs_discsignal(unsigned int fd, unsigned int cmd, unsigned long arg)
2196 {
2197 struct usbdevfs_disconnectsignal kdis;
2198 struct usbdevfs_disconnectsignal32 __user *udis;
2199 mm_segment_t old_fs;
2200 u32 uctx;
2201 int err;
2202
2203 udis = compat_ptr(arg);
2204
2205 if (get_user(kdis.signr, &udis->signr) ||
2206 __get_user(uctx, &udis->context))
2207 return -EFAULT;
2208
2209 kdis.context = compat_ptr(uctx);
2210
2211 old_fs = get_fs();
2212 set_fs(KERNEL_DS);
2213 err = sys_ioctl(fd, USBDEVFS_DISCSIGNAL, (unsigned long) &kdis);
2214 set_fs(old_fs);
2215
2216 return err;
2217 }
2218
2219 /*
2220 * I2C layer ioctls
2221 */
2222
2223 struct i2c_msg32 {
2224 u16 addr;
2225 u16 flags;
2226 u16 len;
2227 compat_caddr_t buf;
2228 };
2229
2230 struct i2c_rdwr_ioctl_data32 {
2231 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
2232 u32 nmsgs;
2233 };
2234
2235 struct i2c_smbus_ioctl_data32 {
2236 u8 read_write;
2237 u8 command;
2238 u32 size;
2239 compat_caddr_t data; /* union i2c_smbus_data *data */
2240 };
2241
2242 struct i2c_rdwr_aligned {
2243 struct i2c_rdwr_ioctl_data cmd;
2244 struct i2c_msg msgs[0];
2245 };
2246
2247 static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2248 {
2249 struct i2c_rdwr_ioctl_data32 __user *udata = compat_ptr(arg);
2250 struct i2c_rdwr_aligned __user *tdata;
2251 struct i2c_msg __user *tmsgs;
2252 struct i2c_msg32 __user *umsgs;
2253 compat_caddr_t datap;
2254 int nmsgs, i;
2255
2256 if (get_user(nmsgs, &udata->nmsgs))
2257 return -EFAULT;
2258 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
2259 return -EINVAL;
2260
2261 if (get_user(datap, &udata->msgs))
2262 return -EFAULT;
2263 umsgs = compat_ptr(datap);
2264
2265 tdata = compat_alloc_user_space(sizeof(*tdata) +
2266 nmsgs * sizeof(struct i2c_msg));
2267 tmsgs = &tdata->msgs[0];
2268
2269 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
2270 put_user(tmsgs, &tdata->cmd.msgs))
2271 return -EFAULT;
2272
2273 for (i = 0; i < nmsgs; i++) {
2274 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
2275 return -EFAULT;
2276 if (get_user(datap, &umsgs[i].buf) ||
2277 put_user(compat_ptr(datap), &tmsgs[i].buf))
2278 return -EFAULT;
2279 }
2280 return sys_ioctl(fd, cmd, (unsigned long)tdata);
2281 }
2282
2283 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2284 {
2285 struct i2c_smbus_ioctl_data __user *tdata;
2286 struct i2c_smbus_ioctl_data32 __user *udata;
2287 compat_caddr_t datap;
2288
2289 tdata = compat_alloc_user_space(sizeof(*tdata));
2290 if (tdata == NULL)
2291 return -ENOMEM;
2292 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
2293 return -EFAULT;
2294
2295 udata = compat_ptr(arg);
2296 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
2297 return -EFAULT;
2298
2299 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
2300 return -EFAULT;
2301 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
2302 return -EFAULT;
2303 if (__get_user(datap, &udata->data) ||
2304 __put_user(compat_ptr(datap), &tdata->data))
2305 return -EFAULT;
2306
2307 return sys_ioctl(fd, cmd, (unsigned long)tdata);
2308 }
2309
2310 struct compat_iw_point {
2311 compat_caddr_t pointer;
2312 __u16 length;
2313 __u16 flags;
2314 };
2315
2316 static int do_wireless_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2317 {
2318 struct iwreq __user *iwr;
2319 struct iwreq __user *iwr_u;
2320 struct iw_point __user *iwp;
2321 struct compat_iw_point __user *iwp_u;
2322 compat_caddr_t pointer;
2323 __u16 length, flags;
2324
2325 iwr_u = compat_ptr(arg);
2326 iwp_u = (struct compat_iw_point __user *) &iwr_u->u.data;
2327 iwr = compat_alloc_user_space(sizeof(*iwr));
2328 if (iwr == NULL)
2329 return -ENOMEM;
2330
2331 iwp = &iwr->u.data;
2332
2333 if (!access_ok(VERIFY_WRITE, iwr, sizeof(*iwr)))
2334 return -EFAULT;
2335
2336 if (__copy_in_user(&iwr->ifr_ifrn.ifrn_name[0],
2337 &iwr_u->ifr_ifrn.ifrn_name[0],
2338 sizeof(iwr->ifr_ifrn.ifrn_name)))
2339 return -EFAULT;
2340
2341 if (__get_user(pointer, &iwp_u->pointer) ||
2342 __get_user(length, &iwp_u->length) ||
2343 __get_user(flags, &iwp_u->flags))
2344 return -EFAULT;
2345
2346 if (__put_user(compat_ptr(pointer), &iwp->pointer) ||
2347 __put_user(length, &iwp->length) ||
2348 __put_user(flags, &iwp->flags))
2349 return -EFAULT;
2350
2351 return sys_ioctl(fd, cmd, (unsigned long) iwr);
2352 }
2353
2354 /* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
2355 * for some operations; this forces use of the newer bridge-utils that
2356 * use compatiable ioctls
2357 */
2358 static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
2359 {
2360 u32 tmp;
2361
2362 if (get_user(tmp, (u32 __user *) arg))
2363 return -EFAULT;
2364 if (tmp == BRCTL_GET_VERSION)
2365 return BRCTL_VERSION + 1;
2366 return -EINVAL;
2367 }
2368
2369 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
2370 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
2371 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
2372 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
2373
2374 static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
2375 {
2376 mm_segment_t oldfs = get_fs();
2377 compat_ulong_t val32;
2378 unsigned long kval;
2379 int ret;
2380
2381 switch (cmd) {
2382 case RTC_IRQP_READ32:
2383 case RTC_EPOCH_READ32:
2384 set_fs(KERNEL_DS);
2385 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
2386 RTC_IRQP_READ : RTC_EPOCH_READ,
2387 (unsigned long)&kval);
2388 set_fs(oldfs);
2389 if (ret)
2390 return ret;
2391 val32 = kval;
2392 return put_user(val32, (unsigned int __user *)arg);
2393 case RTC_IRQP_SET32:
2394 return sys_ioctl(fd, RTC_IRQP_SET, arg);
2395 case RTC_EPOCH_SET32:
2396 return sys_ioctl(fd, RTC_EPOCH_SET, arg);
2397 default:
2398 /* unreached */
2399 return -ENOIOCTLCMD;
2400 }
2401 }
2402
2403 #if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
2404 struct ncp_ioctl_request_32 {
2405 u32 function;
2406 u32 size;
2407 compat_caddr_t data;
2408 };
2409
2410 struct ncp_fs_info_v2_32 {
2411 s32 version;
2412 u32 mounted_uid;
2413 u32 connection;
2414 u32 buffer_size;
2415
2416 u32 volume_number;
2417 u32 directory_id;
2418
2419 u32 dummy1;
2420 u32 dummy2;
2421 u32 dummy3;
2422 };
2423
2424 struct ncp_objectname_ioctl_32
2425 {
2426 s32 auth_type;
2427 u32 object_name_len;
2428 compat_caddr_t object_name; /* an userspace data, in most cases user name */
2429 };
2430
2431 struct ncp_privatedata_ioctl_32
2432 {
2433 u32 len;
2434 compat_caddr_t data; /* ~1000 for NDS */
2435 };
2436
2437 #define NCP_IOC_NCPREQUEST_32 _IOR('n', 1, struct ncp_ioctl_request_32)
2438 #define NCP_IOC_GETMOUNTUID2_32 _IOW('n', 2, u32)
2439 #define NCP_IOC_GET_FS_INFO_V2_32 _IOWR('n', 4, struct ncp_fs_info_v2_32)
2440 #define NCP_IOC_GETOBJECTNAME_32 _IOWR('n', 9, struct ncp_objectname_ioctl_32)
2441 #define NCP_IOC_SETOBJECTNAME_32 _IOR('n', 9, struct ncp_objectname_ioctl_32)
2442 #define NCP_IOC_GETPRIVATEDATA_32 _IOWR('n', 10, struct ncp_privatedata_ioctl_32)
2443 #define NCP_IOC_SETPRIVATEDATA_32 _IOR('n', 10, struct ncp_privatedata_ioctl_32)
2444
2445 static int do_ncp_ncprequest(unsigned int fd, unsigned int cmd, unsigned long arg)
2446 {
2447 struct ncp_ioctl_request_32 n32;
2448 struct ncp_ioctl_request __user *p = compat_alloc_user_space(sizeof(*p));
2449
2450 if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)) ||
2451 put_user(n32.function, &p->function) ||
2452 put_user(n32.size, &p->size) ||
2453 put_user(compat_ptr(n32.data), &p->data))
2454 return -EFAULT;
2455
2456 return sys_ioctl(fd, NCP_IOC_NCPREQUEST, (unsigned long)p);
2457 }
2458
2459 static int do_ncp_getmountuid2(unsigned int fd, unsigned int cmd, unsigned long arg)
2460 {
2461 mm_segment_t old_fs = get_fs();
2462 __kernel_uid_t kuid;
2463 int err;
2464
2465 cmd = NCP_IOC_GETMOUNTUID2;
2466
2467 set_fs(KERNEL_DS);
2468 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
2469 set_fs(old_fs);
2470
2471 if (!err)
2472 err = put_user(kuid,
2473 (unsigned int __user *) compat_ptr(arg));
2474
2475 return err;
2476 }
2477
2478 static int do_ncp_getfsinfo2(unsigned int fd, unsigned int cmd, unsigned long arg)
2479 {
2480 mm_segment_t old_fs = get_fs();
2481 struct ncp_fs_info_v2_32 n32;
2482 struct ncp_fs_info_v2 n;
2483 int err;
2484
2485 if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)))
2486 return -EFAULT;
2487 if (n32.version != NCP_GET_FS_INFO_VERSION_V2)
2488 return -EINVAL;
2489 n.version = NCP_GET_FS_INFO_VERSION_V2;
2490
2491 set_fs(KERNEL_DS);
2492 err = sys_ioctl(fd, NCP_IOC_GET_FS_INFO_V2, (unsigned long)&n);
2493 set_fs(old_fs);
2494
2495 if (!err) {
2496 n32.version = n.version;
2497 n32.mounted_uid = n.mounted_uid;
2498 n32.connection = n.connection;
2499 n32.buffer_size = n.buffer_size;
2500 n32.volume_number = n.volume_number;
2501 n32.directory_id = n.directory_id;
2502 n32.dummy1 = n.dummy1;
2503 n32.dummy2 = n.dummy2;
2504 n32.dummy3 = n.dummy3;
2505 err = copy_to_user(compat_ptr(arg), &n32, sizeof(n32)) ? -EFAULT : 0;
2506 }
2507 return err;
2508 }
2509
2510 static int do_ncp_getobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
2511 {
2512 struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2513 struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));
2514 s32 auth_type;
2515 u32 name_len;
2516 int err;
2517
2518 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2519 put_user(n32.object_name_len, &p->object_name_len) ||
2520 put_user(compat_ptr(n32.object_name), &p->object_name))
2521 return -EFAULT;
2522
2523 err = sys_ioctl(fd, NCP_IOC_GETOBJECTNAME, (unsigned long)p);
2524 if (err)
2525 return err;
2526
2527 if (get_user(auth_type, &p->auth_type) ||
2528 put_user(auth_type, &p32->auth_type) ||
2529 get_user(name_len, &p->object_name_len) ||
2530 put_user(name_len, &p32->object_name_len))
2531 return -EFAULT;
2532
2533 return 0;
2534 }
2535
2536 static int do_ncp_setobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
2537 {
2538 struct ncp_objectname_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2539 struct ncp_objectname_ioctl __user *p = compat_alloc_user_space(sizeof(*p));
2540
2541 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2542 put_user(n32.auth_type, &p->auth_type) ||
2543 put_user(n32.object_name_len, &p->object_name_len) ||
2544 put_user(compat_ptr(n32.object_name), &p->object_name))
2545 return -EFAULT;
2546
2547 return sys_ioctl(fd, NCP_IOC_SETOBJECTNAME, (unsigned long)p);
2548 }
2549
2550 static int do_ncp_getprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
2551 {
2552 struct ncp_privatedata_ioctl_32 n32, __user *p32 = compat_ptr(arg);
2553 struct ncp_privatedata_ioctl __user *p =
2554 compat_alloc_user_space(sizeof(*p));
2555 u32 len;
2556 int err;
2557
2558 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2559 put_user(n32.len, &p->len) ||
2560 put_user(compat_ptr(n32.data), &p->data))
2561 return -EFAULT;
2562
2563 err = sys_ioctl(fd, NCP_IOC_GETPRIVATEDATA, (unsigned long)p);
2564 if (err)
2565 return err;
2566
2567 if (get_user(len, &p->len) ||
2568 put_user(len, &p32->len))
2569 return -EFAULT;
2570
2571 return 0;
2572 }
2573
2574 static int do_ncp_setprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
2575 {
2576 struct ncp_privatedata_ioctl_32 n32;
2577 struct ncp_privatedata_ioctl_32 __user *p32 = compat_ptr(arg);
2578 struct ncp_privatedata_ioctl __user *p =
2579 compat_alloc_user_space(sizeof(*p));
2580
2581 if (copy_from_user(&n32, p32, sizeof(n32)) ||
2582 put_user(n32.len, &p->len) ||
2583 put_user(compat_ptr(n32.data), &p->data))
2584 return -EFAULT;
2585
2586 return sys_ioctl(fd, NCP_IOC_SETPRIVATEDATA, (unsigned long)p);
2587 }
2588 #endif
2589
2590 static int
2591 lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
2592 {
2593 struct compat_timeval __user *tc = (struct compat_timeval __user *)arg;
2594 struct timeval __user *tn = compat_alloc_user_space(sizeof(struct timeval));
2595 struct timeval ts;
2596 if (get_user(ts.tv_sec, &tc->tv_sec) ||
2597 get_user(ts.tv_usec, &tc->tv_usec) ||
2598 put_user(ts.tv_sec, &tn->tv_sec) ||
2599 put_user(ts.tv_usec, &tn->tv_usec))
2600 return -EFAULT;
2601 return sys_ioctl(fd, cmd, (unsigned long)tn);
2602 }
2603
2604 #define HANDLE_IOCTL(cmd,handler) \
2605 { (cmd), (ioctl_trans_handler_t)(handler) },
2606
2607 /* pointer to compatible structure or no argument */
2608 #define COMPATIBLE_IOCTL(cmd) \
2609 { (cmd), do_ioctl32_pointer },
2610
2611 /* argument is an unsigned long integer, not a pointer */
2612 #define ULONG_IOCTL(cmd) \
2613 { (cmd), (ioctl_trans_handler_t)sys_ioctl },
2614
2615
2616 struct ioctl_trans ioctl_start[] = {
2617 #include <linux/compat_ioctl.h>
2618 HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob)
2619 HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob)
2620 #ifdef CONFIG_NET
2621 HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
2622 HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
2623 HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
2624 HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
2625 HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
2626 HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
2627 HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
2628 HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
2629 HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
2630 HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
2631 HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
2632 HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
2633 HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
2634 HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
2635 HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
2636 HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
2637 HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
2638 HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
2639 HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
2640
2641 /* ioctls used by appletalk ddp.c */
2642 HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
2643 HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
2644 HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
2645 HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
2646
2647 HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
2648 HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
2649 HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
2650 HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
2651 HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
2652 HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
2653 HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
2654 HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
2655 HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
2656 HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
2657 HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
2658 HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
2659 HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
2660 HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
2661 HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
2662 HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
2663 HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
2664 HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
2665 HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
2666 HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
2667 HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
2668 HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
2669 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
2670 HANDLE_IOCTL(SIOCRTMSG, ret_einval)
2671 HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
2672 #endif
2673 HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo)
2674 HANDLE_IOCTL(BLKRAGET, w_long)
2675 HANDLE_IOCTL(BLKGETSIZE, w_long)
2676 HANDLE_IOCTL(0x1260, broken_blkgetsize)
2677 HANDLE_IOCTL(BLKFRAGET, w_long)
2678 HANDLE_IOCTL(BLKSECTGET, w_long)
2679 HANDLE_IOCTL(BLKPG, blkpg_ioctl_trans)
2680 HANDLE_IOCTL(HDIO_GET_KEEPSETTINGS, hdio_ioctl_trans)
2681 HANDLE_IOCTL(HDIO_GET_UNMASKINTR, hdio_ioctl_trans)
2682 HANDLE_IOCTL(HDIO_GET_DMA, hdio_ioctl_trans)
2683 HANDLE_IOCTL(HDIO_GET_32BIT, hdio_ioctl_trans)
2684 HANDLE_IOCTL(HDIO_GET_MULTCOUNT, hdio_ioctl_trans)
2685 HANDLE_IOCTL(HDIO_GET_NOWERR, hdio_ioctl_trans)
2686 HANDLE_IOCTL(HDIO_GET_NICE, hdio_ioctl_trans)
2687 HANDLE_IOCTL(FDSETPRM32, fd_ioctl_trans)
2688 HANDLE_IOCTL(FDDEFPRM32, fd_ioctl_trans)
2689 HANDLE_IOCTL(FDGETPRM32, fd_ioctl_trans)
2690 HANDLE_IOCTL(FDSETDRVPRM32, fd_ioctl_trans)
2691 HANDLE_IOCTL(FDGETDRVPRM32, fd_ioctl_trans)
2692 HANDLE_IOCTL(FDGETDRVSTAT32, fd_ioctl_trans)
2693 HANDLE_IOCTL(FDPOLLDRVSTAT32, fd_ioctl_trans)
2694 HANDLE_IOCTL(FDGETFDCSTAT32, fd_ioctl_trans)
2695 HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans)
2696 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
2697 HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans)
2698 HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans)
2699 HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans)
2700 HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans)
2701 HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans)
2702 HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans)
2703 HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans)
2704 HANDLE_IOCTL(CDROMREADAUDIO, cdrom_ioctl_trans)
2705 HANDLE_IOCTL(CDROM_SEND_PACKET, cdrom_ioctl_trans)
2706 #define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
2707 HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout)
2708 #ifdef CONFIG_VT
2709 HANDLE_IOCTL(PIO_FONTX, do_fontx_ioctl)
2710 HANDLE_IOCTL(GIO_FONTX, do_fontx_ioctl)
2711 HANDLE_IOCTL(PIO_UNIMAP, do_unimap_ioctl)
2712 HANDLE_IOCTL(GIO_UNIMAP, do_unimap_ioctl)
2713 HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
2714 #endif
2715 HANDLE_IOCTL(EXT3_IOC32_GETVERSION, do_ext3_ioctl)
2716 HANDLE_IOCTL(EXT3_IOC32_SETVERSION, do_ext3_ioctl)
2717 HANDLE_IOCTL(EXT3_IOC32_GETRSVSZ, do_ext3_ioctl)
2718 HANDLE_IOCTL(EXT3_IOC32_SETRSVSZ, do_ext3_ioctl)
2719 HANDLE_IOCTL(EXT3_IOC32_GROUP_EXTEND, do_ext3_ioctl)
2720 COMPATIBLE_IOCTL(EXT3_IOC_GROUP_ADD)
2721 #ifdef CONFIG_JBD_DEBUG
2722 HANDLE_IOCTL(EXT3_IOC32_WAIT_FOR_READONLY, do_ext3_ioctl)
2723 #endif
2724 /* One SMB ioctl needs translations. */
2725 #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
2726 HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)
2727 HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
2728 HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
2729 HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
2730 HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
2731 HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
2732 HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
2733 HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
2734 HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
2735 HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
2736 HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
2737 HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
2738 HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
2739 HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
2740 HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
2741 HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
2742 HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
2743 HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
2744 HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
2745 HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
2746 HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
2747 HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
2748 HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
2749 HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
2750 HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
2751 HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
2752 /* block stuff */
2753 HANDLE_IOCTL(BLKBSZGET_32, do_blkbszget)
2754 HANDLE_IOCTL(BLKBSZSET_32, do_blkbszset)
2755 HANDLE_IOCTL(BLKGETSIZE64_32, do_blkgetsize64)
2756 /* vfat */
2757 HANDLE_IOCTL(VFAT_IOCTL_READDIR_BOTH32, vfat_ioctl32)
2758 HANDLE_IOCTL(VFAT_IOCTL_READDIR_SHORT32, vfat_ioctl32)
2759 /* Raw devices */
2760 HANDLE_IOCTL(RAW_SETBIND, raw_ioctl)
2761 HANDLE_IOCTL(RAW_GETBIND, raw_ioctl)
2762 /* Serial */
2763 HANDLE_IOCTL(TIOCGSERIAL, serial_struct_ioctl)
2764 HANDLE_IOCTL(TIOCSSERIAL, serial_struct_ioctl)
2765 #ifdef TIOCGLTC
2766 COMPATIBLE_IOCTL(TIOCGLTC)
2767 COMPATIBLE_IOCTL(TIOCSLTC)
2768 #endif
2769 #ifdef TIOCSTART
2770 /*
2771 * For these two we have defintions in ioctls.h and/or termios.h on
2772 * some architectures but no actual implemention. Some applications
2773 * like bash call them if they are defined in the headers, so we provide
2774 * entries here to avoid syslog message spew.
2775 */
2776 COMPATIBLE_IOCTL(TIOCSTART)
2777 COMPATIBLE_IOCTL(TIOCSTOP)
2778 #endif
2779 /* Usbdevfs */
2780 HANDLE_IOCTL(USBDEVFS_CONTROL32, do_usbdevfs_control)
2781 HANDLE_IOCTL(USBDEVFS_BULK32, do_usbdevfs_bulk)
2782 HANDLE_IOCTL(USBDEVFS_DISCSIGNAL32, do_usbdevfs_discsignal)
2783 COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
2784 /* i2c */
2785 HANDLE_IOCTL(I2C_FUNCS, w_long)
2786 HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
2787 HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
2788 /* wireless */
2789 HANDLE_IOCTL(SIOCGIWRANGE, do_wireless_ioctl)
2790 HANDLE_IOCTL(SIOCSIWSPY, do_wireless_ioctl)
2791 HANDLE_IOCTL(SIOCGIWSPY, do_wireless_ioctl)
2792 HANDLE_IOCTL(SIOCSIWTHRSPY, do_wireless_ioctl)
2793 HANDLE_IOCTL(SIOCGIWTHRSPY, do_wireless_ioctl)
2794 HANDLE_IOCTL(SIOCGIWAPLIST, do_wireless_ioctl)
2795 HANDLE_IOCTL(SIOCGIWSCAN, do_wireless_ioctl)
2796 HANDLE_IOCTL(SIOCSIWESSID, do_wireless_ioctl)
2797 HANDLE_IOCTL(SIOCGIWESSID, do_wireless_ioctl)
2798 HANDLE_IOCTL(SIOCSIWNICKN, do_wireless_ioctl)
2799 HANDLE_IOCTL(SIOCGIWNICKN, do_wireless_ioctl)
2800 HANDLE_IOCTL(SIOCSIWENCODE, do_wireless_ioctl)
2801 HANDLE_IOCTL(SIOCGIWENCODE, do_wireless_ioctl)
2802 HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
2803 HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
2804 HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
2805 HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
2806 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
2807 HANDLE_IOCTL(RTC_EPOCH_SET32, rtc_ioctl)
2808
2809 #if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE)
2810 HANDLE_IOCTL(NCP_IOC_NCPREQUEST_32, do_ncp_ncprequest)
2811 HANDLE_IOCTL(NCP_IOC_GETMOUNTUID2_32, do_ncp_getmountuid2)
2812 HANDLE_IOCTL(NCP_IOC_GET_FS_INFO_V2_32, do_ncp_getfsinfo2)
2813 HANDLE_IOCTL(NCP_IOC_GETOBJECTNAME_32, do_ncp_getobjectname)
2814 HANDLE_IOCTL(NCP_IOC_SETOBJECTNAME_32, do_ncp_setobjectname)
2815 HANDLE_IOCTL(NCP_IOC_GETPRIVATEDATA_32, do_ncp_getprivatedata)
2816 HANDLE_IOCTL(NCP_IOC_SETPRIVATEDATA_32, do_ncp_setprivatedata)
2817 #endif
2818
2819 /* dvb */
2820 HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event)
2821 HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture)
2822 HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette)
2823
2824 /* parport */
2825 COMPATIBLE_IOCTL(LPTIME)
2826 COMPATIBLE_IOCTL(LPCHAR)
2827 COMPATIBLE_IOCTL(LPABORTOPEN)
2828 COMPATIBLE_IOCTL(LPCAREFUL)
2829 COMPATIBLE_IOCTL(LPWAIT)
2830 COMPATIBLE_IOCTL(LPSETIRQ)
2831 COMPATIBLE_IOCTL(LPGETSTATUS)
2832 COMPATIBLE_IOCTL(LPGETSTATUS)
2833 COMPATIBLE_IOCTL(LPRESET)
2834 /*LPGETSTATS not implemented, but no kernels seem to compile it in anyways*/
2835 COMPATIBLE_IOCTL(LPGETFLAGS)
2836 HANDLE_IOCTL(LPSETTIMEOUT, lp_timeout_trans)
2837 };
2838
2839 int ioctl_table_size = ARRAY_SIZE(ioctl_start);
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