blob: 30698a13fb22d1d4cf1d2539b9e48d65396bd76e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Akos Maroy3fee37c2008-01-06 11:15:55 +010013#include <linux/joystick.h>
14
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/types.h>
16#include <linux/compat.h>
17#include <linux/kernel.h>
Randy Dunlap16f7e0f2006-01-11 12:17:46 -080018#include <linux/capability.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/compiler.h>
20#include <linux/sched.h>
21#include <linux/smp.h>
Alexey Dobriyan405f5572009-07-11 22:08:37 +040022#include <linux/smp_lock.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <linux/ioctl.h>
24#include <linux/if.h>
25#include <linux/if_bridge.h>
26#include <linux/slab.h>
NeilBrownbff61972009-03-31 14:33:13 +110027#include <linux/raid/md_u.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include <linux/kd.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#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>
Ankit Jain3e63cbb2009-06-19 14:28:07 -040035#include <linux/falloc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#include <linux/fs.h>
37#include <linux/file.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#include <linux/ppp_defs.h>
39#include <linux/if_ppp.h>
40#include <linux/if_pppox.h>
41#include <linux/mtio.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#include <linux/auto_fs.h>
43#include <linux/auto_fs4.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#include <linux/tty.h>
45#include <linux/vt_kern.h>
46#include <linux/fb.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#include <linux/videodev.h>
48#include <linux/netdevice.h>
49#include <linux/raw.h>
50#include <linux/smb_fs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070051#include <linux/blkdev.h>
52#include <linux/elevator.h>
53#include <linux/rtc.h>
54#include <linux/pci.h>
55#include <linux/module.h>
56#include <linux/serial.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070057#include <linux/if_tun.h>
58#include <linux/ctype.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#include <linux/syscalls.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070060#include <linux/i2c.h>
61#include <linux/i2c-dev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070062#include <linux/atalk.h>
63
Linus Torvalds1da177e2005-04-16 15:20:36 -070064#include <net/bluetooth/bluetooth.h>
65#include <net/bluetooth/hci.h>
66#include <net/bluetooth/rfcomm.h>
67
68#include <linux/capi.h>
Hansjoerg Lipp5024ad42006-06-26 00:25:35 -070069#include <linux/gigaset_dev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070070
Randy Dunlap3c3622d2008-07-16 08:52:00 -050071#ifdef CONFIG_BLOCK
Alexander Beregalov1ba0c7d2009-04-20 12:23:02 +040072#include <linux/loop.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070073#include <scsi/scsi.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070074#include <scsi/scsi_ioctl.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070075#include <scsi/sg.h>
Randy Dunlap3c3622d2008-07-16 08:52:00 -050076#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070077
Linus Torvalds1da177e2005-04-16 15:20:36 -070078#include <asm/uaccess.h>
79#include <linux/ethtool.h>
80#include <linux/mii.h>
81#include <linux/if_bonding.h>
82#include <linux/watchdog.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
Linus Torvalds1da177e2005-04-16 15:20:36 -070084#include <linux/soundcard.h>
85#include <linux/lp.h>
86#include <linux/ppdev.h>
87
88#include <linux/atm.h>
89#include <linux/atmarp.h>
90#include <linux/atmclip.h>
91#include <linux/atmdev.h>
92#include <linux/atmioc.h>
93#include <linux/atmlec.h>
94#include <linux/atmmpc.h>
95#include <linux/atmsvc.h>
96#include <linux/atm_tcp.h>
97#include <linux/sonet.h>
98#include <linux/atm_suni.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100#include <linux/usb.h>
101#include <linux/usbdevice_fs.h>
102#include <linux/nbd.h>
103#include <linux/random.h>
104#include <linux/filter.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105#include <linux/pktcdvd.h>
106
107#include <linux/hiddev.h>
108
David S. Miller6e87abd2005-11-16 00:52:57 -0800109#include <linux/dvb/audio.h>
110#include <linux/dvb/dmx.h>
111#include <linux/dvb/frontend.h>
112#include <linux/dvb/video.h>
113
Arnd Bergmann661f6272009-11-05 19:52:55 +0100114#include <linux/sort.h>
115
David S. Miller81639042007-07-29 00:50:42 -0700116#ifdef CONFIG_SPARC
117#include <asm/fbio.h>
118#endif
119
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100120static int w_long(unsigned int fd, unsigned int cmd,
121 compat_ulong_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122{
123 mm_segment_t old_fs = get_fs();
124 int err;
125 unsigned long val;
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100126
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 set_fs (KERNEL_DS);
128 err = sys_ioctl(fd, cmd, (unsigned long)&val);
129 set_fs (old_fs);
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100130 if (!err && put_user(val, argp))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131 return -EFAULT;
132 return err;
133}
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100134
135static int rw_long(unsigned int fd, unsigned int cmd,
136 compat_ulong_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137{
138 mm_segment_t old_fs = get_fs();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 int err;
140 unsigned long val;
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100141
142 if(get_user(val, argp))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143 return -EFAULT;
144 set_fs (KERNEL_DS);
145 err = sys_ioctl(fd, cmd, (unsigned long)&val);
146 set_fs (old_fs);
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100147 if (!err && put_user(val, argp))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148 return -EFAULT;
149 return err;
150}
151
David S. Miller6e87abd2005-11-16 00:52:57 -0800152struct compat_video_event {
153 int32_t type;
154 compat_time_t timestamp;
155 union {
156 video_size_t size;
157 unsigned int frame_rate;
158 } u;
159};
160
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100161static int do_video_get_event(unsigned int fd, unsigned int cmd,
162 struct compat_video_event __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800163{
164 struct video_event kevent;
165 mm_segment_t old_fs = get_fs();
166 int err;
167
168 set_fs(KERNEL_DS);
169 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
170 set_fs(old_fs);
171
172 if (!err) {
David S. Miller6e87abd2005-11-16 00:52:57 -0800173 err = put_user(kevent.type, &up->type);
174 err |= put_user(kevent.timestamp, &up->timestamp);
175 err |= put_user(kevent.u.size.w, &up->u.size.w);
176 err |= put_user(kevent.u.size.h, &up->u.size.h);
177 err |= put_user(kevent.u.size.aspect_ratio,
178 &up->u.size.aspect_ratio);
179 if (err)
180 err = -EFAULT;
181 }
182
183 return err;
184}
185
186struct compat_video_still_picture {
187 compat_uptr_t iFrame;
188 int32_t size;
189};
190
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100191static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
192 struct compat_video_still_picture __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800193{
David S. Miller6e87abd2005-11-16 00:52:57 -0800194 struct video_still_picture __user *up_native;
195 compat_uptr_t fp;
196 int32_t size;
197 int err;
198
David S. Miller6e87abd2005-11-16 00:52:57 -0800199 err = get_user(fp, &up->iFrame);
200 err |= get_user(size, &up->size);
201 if (err)
202 return -EFAULT;
203
204 up_native =
205 compat_alloc_user_space(sizeof(struct video_still_picture));
206
Heiko Carstens7116e992006-12-06 20:36:36 -0800207 err = put_user(compat_ptr(fp), &up_native->iFrame);
208 err |= put_user(size, &up_native->size);
209 if (err)
210 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800211
212 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
213
214 return err;
215}
216
217struct compat_video_spu_palette {
218 int length;
219 compat_uptr_t palette;
220};
221
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100222static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
223 struct compat_video_spu_palette __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800224{
David S. Miller6e87abd2005-11-16 00:52:57 -0800225 struct video_spu_palette __user *up_native;
226 compat_uptr_t palp;
227 int length, err;
228
David S. Miller6e87abd2005-11-16 00:52:57 -0800229 err = get_user(palp, &up->palette);
230 err |= get_user(length, &up->length);
231
232 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
Heiko Carstens7116e992006-12-06 20:36:36 -0800233 err = put_user(compat_ptr(palp), &up_native->palette);
234 err |= put_user(length, &up_native->length);
235 if (err)
236 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800237
238 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
239
240 return err;
241}
242
David Howells93614012006-09-30 20:45:40 +0200243#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244typedef struct sg_io_hdr32 {
245 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
246 compat_int_t dxfer_direction; /* [i] data transfer direction */
247 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
248 unsigned char mx_sb_len; /* [i] max length to write to sbp */
249 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
250 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
251 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
252 or scatter gather list */
253 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
254 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
255 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
256 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
257 compat_int_t pack_id; /* [i->o] unused internally (normally) */
258 compat_uptr_t usr_ptr; /* [i->o] unused internally */
259 unsigned char status; /* [o] scsi status */
260 unsigned char masked_status; /* [o] shifted, masked scsi status */
261 unsigned char msg_status; /* [o] messaging level data (optional) */
262 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
263 unsigned short host_status; /* [o] errors from host adapter */
264 unsigned short driver_status; /* [o] errors from software driver */
265 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
266 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
267 compat_uint_t info; /* [o] auxiliary information */
268} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
269
270typedef struct sg_iovec32 {
271 compat_uint_t iov_base;
272 compat_uint_t iov_len;
273} sg_iovec32_t;
274
275static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
276{
277 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
278 sg_iovec32_t __user *iov32 = dxferp;
279 int i;
280
281 for (i = 0; i < iovec_count; i++) {
282 u32 base, len;
283
284 if (get_user(base, &iov32[i].iov_base) ||
285 get_user(len, &iov32[i].iov_len) ||
286 put_user(compat_ptr(base), &iov[i].iov_base) ||
287 put_user(len, &iov[i].iov_len))
288 return -EFAULT;
289 }
290
291 if (put_user(iov, &sgio->dxferp))
292 return -EFAULT;
293 return 0;
294}
295
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100296static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
297 sg_io_hdr32_t __user *sgio32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298{
299 sg_io_hdr_t __user *sgio;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300 u16 iovec_count;
301 u32 data;
302 void __user *dxferp;
303 int err;
304
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305 if (get_user(iovec_count, &sgio32->iovec_count))
306 return -EFAULT;
307
308 {
309 void __user *top = compat_alloc_user_space(0);
310 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
311 (iovec_count * sizeof(sg_iovec_t)));
312 if (new > top)
313 return -EINVAL;
314
315 sgio = new;
316 }
317
318 /* Ok, now construct. */
319 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
320 (2 * sizeof(int)) +
321 (2 * sizeof(unsigned char)) +
322 (1 * sizeof(unsigned short)) +
323 (1 * sizeof(unsigned int))))
324 return -EFAULT;
325
326 if (get_user(data, &sgio32->dxferp))
327 return -EFAULT;
328 dxferp = compat_ptr(data);
329 if (iovec_count) {
330 if (sg_build_iovec(sgio, dxferp, iovec_count))
331 return -EFAULT;
332 } else {
333 if (put_user(dxferp, &sgio->dxferp))
334 return -EFAULT;
335 }
336
337 {
338 unsigned char __user *cmdp;
339 unsigned char __user *sbp;
340
341 if (get_user(data, &sgio32->cmdp))
342 return -EFAULT;
343 cmdp = compat_ptr(data);
344
345 if (get_user(data, &sgio32->sbp))
346 return -EFAULT;
347 sbp = compat_ptr(data);
348
349 if (put_user(cmdp, &sgio->cmdp) ||
350 put_user(sbp, &sgio->sbp))
351 return -EFAULT;
352 }
353
354 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
355 3 * sizeof(int)))
356 return -EFAULT;
357
358 if (get_user(data, &sgio32->usr_ptr))
359 return -EFAULT;
360 if (put_user(compat_ptr(data), &sgio->usr_ptr))
361 return -EFAULT;
362
Linus Torvalds1da177e2005-04-16 15:20:36 -0700363 err = sys_ioctl(fd, cmd, (unsigned long) sgio);
364
365 if (err >= 0) {
366 void __user *datap;
367
368 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
369 sizeof(int)) ||
370 get_user(datap, &sgio->usr_ptr) ||
371 put_user((u32)(unsigned long)datap,
372 &sgio32->usr_ptr) ||
373 copy_in_user(&sgio32->status, &sgio->status,
374 (4 * sizeof(unsigned char)) +
375 (2 * sizeof(unsigned short)) +
376 (3 * sizeof(int))))
377 err = -EFAULT;
378 }
379
380 return err;
381}
382
Andi Kleen29663872006-01-11 22:44:03 +0100383struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
384 char req_state;
385 char orphan;
386 char sg_io_owned;
387 char problem;
388 int pack_id;
389 compat_uptr_t usr_ptr;
390 unsigned int duration;
391 int unused;
392};
393
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100394static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
395 compat_sg_req_info __user *o)
Andi Kleen29663872006-01-11 22:44:03 +0100396{
397 int err, i;
Al Viro6b2b4e52006-02-01 06:33:33 -0500398 sg_req_info_t __user *r;
Andi Kleen29663872006-01-11 22:44:03 +0100399 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
400 err = sys_ioctl(fd,cmd,(unsigned long)r);
401 if (err < 0)
402 return err;
403 for (i = 0; i < SG_MAX_QUEUE; i++) {
404 void __user *ptr;
405 int d;
406
407 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
408 get_user(ptr, &r[i].usr_ptr) ||
409 get_user(d, &r[i].duration) ||
410 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
411 put_user(d, &o[i].duration))
412 return -EFAULT;
413 }
414 return err;
415}
David Howells93614012006-09-30 20:45:40 +0200416#endif /* CONFIG_BLOCK */
Andi Kleen29663872006-01-11 22:44:03 +0100417
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418struct sock_fprog32 {
419 unsigned short len;
420 compat_caddr_t filter;
421};
422
423#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
424#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
425
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100426static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
427 struct sock_fprog32 __user *u_fprog32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
430 void __user *fptr64;
431 u32 fptr32;
432 u16 flen;
433
434 if (get_user(flen, &u_fprog32->len) ||
435 get_user(fptr32, &u_fprog32->filter))
436 return -EFAULT;
437
438 fptr64 = compat_ptr(fptr32);
439
440 if (put_user(flen, &u_fprog64->len) ||
441 put_user(fptr64, &u_fprog64->filter))
442 return -EFAULT;
443
444 if (cmd == PPPIOCSPASS32)
445 cmd = PPPIOCSPASS;
446 else
447 cmd = PPPIOCSACTIVE;
448
449 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
450}
451
452struct ppp_option_data32 {
453 compat_caddr_t ptr;
454 u32 length;
455 compat_int_t transmit;
456};
457#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
458
459struct ppp_idle32 {
460 compat_time_t xmit_idle;
461 compat_time_t recv_idle;
462};
463#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
464
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100465static int ppp_gidle(unsigned int fd, unsigned int cmd,
466 struct ppp_idle32 __user *idle32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467{
468 struct ppp_idle __user *idle;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469 __kernel_time_t xmit, recv;
470 int err;
471
472 idle = compat_alloc_user_space(sizeof(*idle));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473
474 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
475
476 if (!err) {
477 if (get_user(xmit, &idle->xmit_idle) ||
478 get_user(recv, &idle->recv_idle) ||
479 put_user(xmit, &idle32->xmit_idle) ||
480 put_user(recv, &idle32->recv_idle))
481 err = -EFAULT;
482 }
483 return err;
484}
485
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100486static int ppp_scompress(unsigned int fd, unsigned int cmd,
487 struct ppp_option_data32 __user *odata32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700488{
489 struct ppp_option_data __user *odata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490 __u32 data;
491 void __user *datap;
492
493 odata = compat_alloc_user_space(sizeof(*odata));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494
495 if (get_user(data, &odata32->ptr))
496 return -EFAULT;
497
498 datap = compat_ptr(data);
499 if (put_user(datap, &odata->ptr))
500 return -EFAULT;
501
502 if (copy_in_user(&odata->length, &odata32->length,
503 sizeof(__u32) + sizeof(int)))
504 return -EFAULT;
505
506 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
507}
508
David Howells93614012006-09-30 20:45:40 +0200509#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700510struct mtget32 {
511 compat_long_t mt_type;
512 compat_long_t mt_resid;
513 compat_long_t mt_dsreg;
514 compat_long_t mt_gstat;
515 compat_long_t mt_erreg;
516 compat_daddr_t mt_fileno;
517 compat_daddr_t mt_blkno;
518};
519#define MTIOCGET32 _IOR('m', 2, struct mtget32)
520
521struct mtpos32 {
522 compat_long_t mt_blkno;
523};
524#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
525
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100526static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700527{
528 mm_segment_t old_fs = get_fs();
529 struct mtget get;
530 struct mtget32 __user *umget32;
531 struct mtpos pos;
532 struct mtpos32 __user *upos32;
533 unsigned long kcmd;
534 void *karg;
535 int err = 0;
536
537 switch(cmd) {
538 case MTIOCPOS32:
539 kcmd = MTIOCPOS;
540 karg = &pos;
541 break;
542 case MTIOCGET32:
543 kcmd = MTIOCGET;
544 karg = &get;
545 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700546 }
547 set_fs (KERNEL_DS);
548 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
549 set_fs (old_fs);
550 if (err)
551 return err;
552 switch (cmd) {
553 case MTIOCPOS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100554 upos32 = argp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700555 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
556 break;
557 case MTIOCGET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100558 umget32 = argp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700559 err = __put_user(get.mt_type, &umget32->mt_type);
560 err |= __put_user(get.mt_resid, &umget32->mt_resid);
561 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
562 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
563 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
564 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
565 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
566 break;
567 }
568 return err ? -EFAULT: 0;
569}
570
David Howells93614012006-09-30 20:45:40 +0200571#endif /* CONFIG_BLOCK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100573static int do_smb_getmountuid(unsigned int fd, unsigned int cmd,
574 compat_uid_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575{
576 mm_segment_t old_fs = get_fs();
577 __kernel_uid_t kuid;
578 int err;
579
580 cmd = SMB_IOC_GETMOUNTUID;
581
582 set_fs(KERNEL_DS);
583 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
584 set_fs(old_fs);
585
586 if (err >= 0)
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100587 err = put_user(kuid, argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588
589 return err;
590}
591
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100592static int ioc_settimeout(unsigned int fd, unsigned int cmd,
593 compat_ulong_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700594{
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100595 return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596}
597
Linus Torvalds1da177e2005-04-16 15:20:36 -0700598/* Bluetooth ioctls */
599#define HCIUARTSETPROTO _IOW('U', 200, int)
600#define HCIUARTGETPROTO _IOR('U', 201, int)
601
602#define BNEPCONNADD _IOW('B', 200, int)
603#define BNEPCONNDEL _IOW('B', 201, int)
604#define BNEPGETCONNLIST _IOR('B', 210, int)
605#define BNEPGETCONNINFO _IOR('B', 211, int)
606
607#define CMTPCONNADD _IOW('C', 200, int)
608#define CMTPCONNDEL _IOW('C', 201, int)
609#define CMTPGETCONNLIST _IOR('C', 210, int)
610#define CMTPGETCONNINFO _IOR('C', 211, int)
611
612#define HIDPCONNADD _IOW('H', 200, int)
613#define HIDPCONNDEL _IOW('H', 201, int)
614#define HIDPGETCONNLIST _IOR('H', 210, int)
615#define HIDPGETCONNINFO _IOR('H', 211, int)
616
David Howells93614012006-09-30 20:45:40 +0200617#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618struct raw32_config_request
619{
620 compat_int_t raw_minor;
621 __u64 block_major;
622 __u64 block_minor;
623} __attribute__((packed));
624
625static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
626{
627 int ret;
628
629 if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
630 return -EFAULT;
631
632 ret = __get_user(req->raw_minor, &user_req->raw_minor);
633 ret |= __get_user(req->block_major, &user_req->block_major);
634 ret |= __get_user(req->block_minor, &user_req->block_minor);
635
636 return ret ? -EFAULT : 0;
637}
638
639static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
640{
641 int ret;
642
643 if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
644 return -EFAULT;
645
646 ret = __put_user(req->raw_minor, &user_req->raw_minor);
647 ret |= __put_user(req->block_major, &user_req->block_major);
648 ret |= __put_user(req->block_minor, &user_req->block_minor);
649
650 return ret ? -EFAULT : 0;
651}
652
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100653static int raw_ioctl(unsigned fd, unsigned cmd,
654 struct raw32_config_request __user *user_req)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655{
656 int ret;
657
658 switch (cmd) {
659 case RAW_SETBIND:
660 case RAW_GETBIND: {
661 struct raw_config_request req;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700662 mm_segment_t oldfs = get_fs();
663
664 if ((ret = get_raw32_request(&req, user_req)))
665 return ret;
666
667 set_fs(KERNEL_DS);
668 ret = sys_ioctl(fd,cmd,(unsigned long)&req);
669 set_fs(oldfs);
670
671 if ((!ret) && (cmd == RAW_GETBIND)) {
672 ret = set_raw32_request(&req, user_req);
673 }
674 break;
675 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676 }
677 return ret;
678}
David Howells93614012006-09-30 20:45:40 +0200679#endif /* CONFIG_BLOCK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700680
681struct serial_struct32 {
682 compat_int_t type;
683 compat_int_t line;
684 compat_uint_t port;
685 compat_int_t irq;
686 compat_int_t flags;
687 compat_int_t xmit_fifo_size;
688 compat_int_t custom_divisor;
689 compat_int_t baud_base;
690 unsigned short close_delay;
691 char io_type;
692 char reserved_char[1];
693 compat_int_t hub6;
694 unsigned short closing_wait; /* time to wait before closing */
695 unsigned short closing_wait2; /* no longer used... */
696 compat_uint_t iomem_base;
697 unsigned short iomem_reg_shift;
698 unsigned int port_high;
699 /* compat_ulong_t iomap_base FIXME */
700 compat_int_t reserved[1];
701};
702
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100703static int serial_struct_ioctl(unsigned fd, unsigned cmd,
704 struct serial_struct32 __user *ss32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700705{
706 typedef struct serial_struct SS;
707 typedef struct serial_struct32 SS32;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700708 int err;
709 struct serial_struct ss;
710 mm_segment_t oldseg = get_fs();
711 __u32 udata;
Heiko Carstens7116e992006-12-06 20:36:36 -0800712 unsigned int base;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713
714 if (cmd == TIOCSSERIAL) {
715 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
716 return -EFAULT;
717 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
718 return -EFAULT;
Heiko Carstens7116e992006-12-06 20:36:36 -0800719 if (__get_user(udata, &ss32->iomem_base))
720 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700721 ss.iomem_base = compat_ptr(udata);
Heiko Carstens7116e992006-12-06 20:36:36 -0800722 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
723 __get_user(ss.port_high, &ss32->port_high))
724 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725 ss.iomap_base = 0UL;
726 }
727 set_fs(KERNEL_DS);
728 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
729 set_fs(oldseg);
730 if (cmd == TIOCGSERIAL && err >= 0) {
731 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
732 return -EFAULT;
733 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
734 return -EFAULT;
Heiko Carstens7116e992006-12-06 20:36:36 -0800735 base = (unsigned long)ss.iomem_base >> 32 ?
736 0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
737 if (__put_user(base, &ss32->iomem_base) ||
738 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
739 __put_user(ss.port_high, &ss32->port_high))
740 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700741 }
742 return err;
743}
744
Linus Torvalds1da177e2005-04-16 15:20:36 -0700745/*
746 * I2C layer ioctls
747 */
748
749struct i2c_msg32 {
750 u16 addr;
751 u16 flags;
752 u16 len;
753 compat_caddr_t buf;
754};
755
756struct i2c_rdwr_ioctl_data32 {
757 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
758 u32 nmsgs;
759};
760
761struct i2c_smbus_ioctl_data32 {
762 u8 read_write;
763 u8 command;
764 u32 size;
765 compat_caddr_t data; /* union i2c_smbus_data *data */
766};
767
768struct i2c_rdwr_aligned {
769 struct i2c_rdwr_ioctl_data cmd;
770 struct i2c_msg msgs[0];
771};
772
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100773static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
774 struct i2c_rdwr_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700775{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700776 struct i2c_rdwr_aligned __user *tdata;
777 struct i2c_msg __user *tmsgs;
778 struct i2c_msg32 __user *umsgs;
779 compat_caddr_t datap;
780 int nmsgs, i;
781
782 if (get_user(nmsgs, &udata->nmsgs))
783 return -EFAULT;
784 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
785 return -EINVAL;
786
787 if (get_user(datap, &udata->msgs))
788 return -EFAULT;
789 umsgs = compat_ptr(datap);
790
791 tdata = compat_alloc_user_space(sizeof(*tdata) +
792 nmsgs * sizeof(struct i2c_msg));
793 tmsgs = &tdata->msgs[0];
794
795 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
796 put_user(tmsgs, &tdata->cmd.msgs))
797 return -EFAULT;
798
799 for (i = 0; i < nmsgs; i++) {
800 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
801 return -EFAULT;
802 if (get_user(datap, &umsgs[i].buf) ||
803 put_user(compat_ptr(datap), &tmsgs[i].buf))
804 return -EFAULT;
805 }
806 return sys_ioctl(fd, cmd, (unsigned long)tdata);
807}
808
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100809static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
810 struct i2c_smbus_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700811{
812 struct i2c_smbus_ioctl_data __user *tdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813 compat_caddr_t datap;
814
815 tdata = compat_alloc_user_space(sizeof(*tdata));
816 if (tdata == NULL)
817 return -ENOMEM;
818 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
819 return -EFAULT;
820
Linus Torvalds1da177e2005-04-16 15:20:36 -0700821 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
822 return -EFAULT;
823
824 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
825 return -EFAULT;
826 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
827 return -EFAULT;
828 if (__get_user(datap, &udata->data) ||
829 __put_user(compat_ptr(datap), &tdata->data))
830 return -EFAULT;
831
832 return sys_ioctl(fd, cmd, (unsigned long)tdata);
833}
834
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800835#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
836#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
837#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
838#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
839
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100840static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800841{
842 mm_segment_t oldfs = get_fs();
843 compat_ulong_t val32;
844 unsigned long kval;
845 int ret;
846
847 switch (cmd) {
848 case RTC_IRQP_READ32:
849 case RTC_EPOCH_READ32:
850 set_fs(KERNEL_DS);
851 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
852 RTC_IRQP_READ : RTC_EPOCH_READ,
853 (unsigned long)&kval);
854 set_fs(oldfs);
855 if (ret)
856 return ret;
857 val32 = kval;
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100858 return put_user(val32, (unsigned int __user *)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800859 case RTC_IRQP_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100860 return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800861 case RTC_EPOCH_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100862 return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800863 }
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100864
865 return -ENOIOCTLCMD;
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800866}
867
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400868/* on ia32 l_start is on a 32-bit boundary */
869#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
870struct space_resv_32 {
871 __s16 l_type;
872 __s16 l_whence;
873 __s64 l_start __attribute__((packed));
874 /* len == 0 means until end of file */
875 __s64 l_len __attribute__((packed));
876 __s32 l_sysid;
877 __u32 l_pid;
878 __s32 l_pad[4]; /* reserve area */
879};
880
881#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
882#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
883
884/* just account for different alignment */
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100885static int compat_ioctl_preallocate(struct file *file,
886 struct space_resv_32 __user *p32)
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400887{
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400888 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
889
890 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
891 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
892 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
893 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
894 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
895 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
896 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
897 return -EFAULT;
898
899 return ioctl_preallocate(file, p);
900}
901#endif
902
Arnd Bergmann661f6272009-11-05 19:52:55 +0100903/*
904 * simple reversible transform to make our table more evenly
905 * distributed after sorting.
906 */
907#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
Christoph Hellwig6272e262007-05-08 00:29:21 -0700908
Arnd Bergmann661f6272009-11-05 19:52:55 +0100909#define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
Andi Kleen421f0282007-05-02 19:27:20 +0200910/* ioctl should not be warned about even if it's not implemented.
911 Valid reasons to use this:
912 - It is implemented with ->compat_ioctl on some device, but programs
913 call it on others too.
914 - The ioctl is not implemented in the native kernel, but programs
915 call it commonly anyways.
916 Most other reasons are not valid. */
917#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -0800918
Arnd Bergmann661f6272009-11-05 19:52:55 +0100919static unsigned int ioctl_pointer[] = {
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700920/* compatible ioctls first */
921COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
922COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
923
924/* Big T */
925COMPATIBLE_IOCTL(TCGETA)
926COMPATIBLE_IOCTL(TCSETA)
927COMPATIBLE_IOCTL(TCSETAW)
928COMPATIBLE_IOCTL(TCSETAF)
929COMPATIBLE_IOCTL(TCSBRK)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700930COMPATIBLE_IOCTL(TCXONC)
931COMPATIBLE_IOCTL(TCFLSH)
932COMPATIBLE_IOCTL(TCGETS)
933COMPATIBLE_IOCTL(TCSETS)
934COMPATIBLE_IOCTL(TCSETSW)
935COMPATIBLE_IOCTL(TCSETSF)
936COMPATIBLE_IOCTL(TIOCLINUX)
937COMPATIBLE_IOCTL(TIOCSBRK)
938COMPATIBLE_IOCTL(TIOCCBRK)
Andreas Schwab4cfbafd2010-02-10 13:56:40 -0800939COMPATIBLE_IOCTL(TIOCGSID)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700940COMPATIBLE_IOCTL(TIOCGICOUNT)
941/* Little t */
942COMPATIBLE_IOCTL(TIOCGETD)
943COMPATIBLE_IOCTL(TIOCSETD)
944COMPATIBLE_IOCTL(TIOCEXCL)
945COMPATIBLE_IOCTL(TIOCNXCL)
946COMPATIBLE_IOCTL(TIOCCONS)
947COMPATIBLE_IOCTL(TIOCGSOFTCAR)
948COMPATIBLE_IOCTL(TIOCSSOFTCAR)
949COMPATIBLE_IOCTL(TIOCSWINSZ)
950COMPATIBLE_IOCTL(TIOCGWINSZ)
951COMPATIBLE_IOCTL(TIOCMGET)
952COMPATIBLE_IOCTL(TIOCMBIC)
953COMPATIBLE_IOCTL(TIOCMBIS)
954COMPATIBLE_IOCTL(TIOCMSET)
955COMPATIBLE_IOCTL(TIOCPKT)
956COMPATIBLE_IOCTL(TIOCNOTTY)
957COMPATIBLE_IOCTL(TIOCSTI)
958COMPATIBLE_IOCTL(TIOCOUTQ)
959COMPATIBLE_IOCTL(TIOCSPGRP)
960COMPATIBLE_IOCTL(TIOCGPGRP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700961COMPATIBLE_IOCTL(TIOCGPTN)
962COMPATIBLE_IOCTL(TIOCSPTLCK)
963COMPATIBLE_IOCTL(TIOCSERGETLSR)
Heiko Carstens81257de2007-11-28 16:22:07 -0800964#ifdef TCGETS2
965COMPATIBLE_IOCTL(TCGETS2)
966COMPATIBLE_IOCTL(TCSETS2)
967COMPATIBLE_IOCTL(TCSETSW2)
968COMPATIBLE_IOCTL(TCSETSF2)
969#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700970/* Little f */
971COMPATIBLE_IOCTL(FIOCLEX)
972COMPATIBLE_IOCTL(FIONCLEX)
973COMPATIBLE_IOCTL(FIOASYNC)
974COMPATIBLE_IOCTL(FIONBIO)
975COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
Eric Sandeen69130c72009-08-06 15:07:37 -0700976COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700977/* 0x00 */
978COMPATIBLE_IOCTL(FIBMAP)
979COMPATIBLE_IOCTL(FIGETBSZ)
Christoph Hellwig5cf8cf42009-02-26 21:32:51 +0100980/* 'X' - originally XFS but some now in the VFS */
981COMPATIBLE_IOCTL(FIFREEZE)
982COMPATIBLE_IOCTL(FITHAW)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700983COMPATIBLE_IOCTL(KDGETKEYCODE)
984COMPATIBLE_IOCTL(KDSETKEYCODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700985COMPATIBLE_IOCTL(KDGKBTYPE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700986COMPATIBLE_IOCTL(KDGETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700987COMPATIBLE_IOCTL(KDGKBMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700988COMPATIBLE_IOCTL(KDGKBMETA)
989COMPATIBLE_IOCTL(KDGKBENT)
990COMPATIBLE_IOCTL(KDSKBENT)
991COMPATIBLE_IOCTL(KDGKBSENT)
992COMPATIBLE_IOCTL(KDSKBSENT)
993COMPATIBLE_IOCTL(KDGKBDIACR)
994COMPATIBLE_IOCTL(KDSKBDIACR)
995COMPATIBLE_IOCTL(KDKBDREP)
996COMPATIBLE_IOCTL(KDGKBLED)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700997COMPATIBLE_IOCTL(KDGETLED)
Randy Dunlap3c3622d2008-07-16 08:52:00 -0500998#ifdef CONFIG_BLOCK
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700999/* Big S */
1000COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
1001COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
1002COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
1003COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
1004COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
1005COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
1006COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
1007COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001008#endif
Atsushi Nemoto3f001712010-01-10 23:29:16 +09001009/* Big V (don't complain on serial console) */
1010IGNORE_IOCTL(VT_OPENQRY)
1011IGNORE_IOCTL(VT_GETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001012/* Little p (/dev/rtc, /dev/envctrl, etc.) */
1013COMPATIBLE_IOCTL(RTC_AIE_ON)
1014COMPATIBLE_IOCTL(RTC_AIE_OFF)
1015COMPATIBLE_IOCTL(RTC_UIE_ON)
1016COMPATIBLE_IOCTL(RTC_UIE_OFF)
1017COMPATIBLE_IOCTL(RTC_PIE_ON)
1018COMPATIBLE_IOCTL(RTC_PIE_OFF)
1019COMPATIBLE_IOCTL(RTC_WIE_ON)
1020COMPATIBLE_IOCTL(RTC_WIE_OFF)
1021COMPATIBLE_IOCTL(RTC_ALM_SET)
1022COMPATIBLE_IOCTL(RTC_ALM_READ)
1023COMPATIBLE_IOCTL(RTC_RD_TIME)
1024COMPATIBLE_IOCTL(RTC_SET_TIME)
1025COMPATIBLE_IOCTL(RTC_WKALM_SET)
1026COMPATIBLE_IOCTL(RTC_WKALM_RD)
1027/*
1028 * These two are only for the sbus rtc driver, but
1029 * hwclock tries them on every rtc device first when
1030 * running on sparc. On other architectures the entries
1031 * are useless but harmless.
1032 */
1033COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
1034COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
1035/* Little m */
1036COMPATIBLE_IOCTL(MTIOCTOP)
1037/* Socket level stuff */
1038COMPATIBLE_IOCTL(FIOQSIZE)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001039#ifdef CONFIG_BLOCK
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001040/* loop */
1041IGNORE_IOCTL(LOOP_CLR_FD)
Arnd Bergmannf79f1182010-02-10 16:14:04 +01001042/* md calls this on random blockdevs */
1043IGNORE_IOCTL(RAID_VERSION)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001044/* SG stuff */
1045COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
1046COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
1047COMPATIBLE_IOCTL(SG_EMULATED_HOST)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001048COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
1049COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
1050COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
1051COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
1052COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
1053COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
1054COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
1055COMPATIBLE_IOCTL(SG_GET_PACK_ID)
1056COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
1057COMPATIBLE_IOCTL(SG_SET_DEBUG)
1058COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
1059COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
1060COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
1061COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
1062COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
1063COMPATIBLE_IOCTL(SG_SCSI_RESET)
1064COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
1065COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
1066COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001067#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001068/* PPP stuff */
1069COMPATIBLE_IOCTL(PPPIOCGFLAGS)
1070COMPATIBLE_IOCTL(PPPIOCSFLAGS)
1071COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
1072COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
1073COMPATIBLE_IOCTL(PPPIOCGUNIT)
1074COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
1075COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
1076COMPATIBLE_IOCTL(PPPIOCGMRU)
1077COMPATIBLE_IOCTL(PPPIOCSMRU)
1078COMPATIBLE_IOCTL(PPPIOCSMAXCID)
1079COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1080COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1081COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1082/* PPPIOCSCOMPRESS is translated */
1083COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1084COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1085COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1086COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1087/* PPPIOCSPASS is translated */
1088/* PPPIOCSACTIVE is translated */
1089/* PPPIOCGIDLE is translated */
1090COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1091COMPATIBLE_IOCTL(PPPIOCATTACH)
1092COMPATIBLE_IOCTL(PPPIOCDETACH)
1093COMPATIBLE_IOCTL(PPPIOCSMRRU)
1094COMPATIBLE_IOCTL(PPPIOCCONNECT)
1095COMPATIBLE_IOCTL(PPPIOCDISCONN)
1096COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1097COMPATIBLE_IOCTL(PPPIOCGCHAN)
1098/* PPPOX */
1099COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1100COMPATIBLE_IOCTL(PPPOEIOCDFWD)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001101/* ppdev */
1102COMPATIBLE_IOCTL(PPSETMODE)
1103COMPATIBLE_IOCTL(PPRSTATUS)
1104COMPATIBLE_IOCTL(PPRCONTROL)
1105COMPATIBLE_IOCTL(PPWCONTROL)
1106COMPATIBLE_IOCTL(PPFCONTROL)
1107COMPATIBLE_IOCTL(PPRDATA)
1108COMPATIBLE_IOCTL(PPWDATA)
1109COMPATIBLE_IOCTL(PPCLAIM)
1110COMPATIBLE_IOCTL(PPRELEASE)
1111COMPATIBLE_IOCTL(PPYIELD)
1112COMPATIBLE_IOCTL(PPEXCL)
1113COMPATIBLE_IOCTL(PPDATADIR)
1114COMPATIBLE_IOCTL(PPNEGOT)
1115COMPATIBLE_IOCTL(PPWCTLONIRQ)
1116COMPATIBLE_IOCTL(PPCLRIRQ)
1117COMPATIBLE_IOCTL(PPSETPHASE)
1118COMPATIBLE_IOCTL(PPGETMODES)
1119COMPATIBLE_IOCTL(PPGETMODE)
1120COMPATIBLE_IOCTL(PPGETPHASE)
1121COMPATIBLE_IOCTL(PPGETFLAGS)
1122COMPATIBLE_IOCTL(PPSETFLAGS)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001123/* pktcdvd */
1124COMPATIBLE_IOCTL(PACKET_CTRL_CMD)
1125/* Big A */
1126/* sparc only */
1127/* Big Q for sound/OSS */
1128COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1129COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1130COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1131COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1132COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1133COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1134COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1135COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1136COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1137COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1138COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1139COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1140COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1141COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1142COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1143COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1144COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1145COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1146COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1147COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1148COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1149COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1150/* Big T for sound/OSS */
1151COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1152COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1153COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1154COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1155COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1156COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1157COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1158COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1159/* Little m for sound/OSS */
1160COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1161COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1162COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1163/* Big P for sound/OSS */
1164COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1165COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1166COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1167COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1168COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1169COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1170COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1171COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1172COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1173COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1174COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1175COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1176COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1177COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1178COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1179COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1180COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1181COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1182COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1183COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1184/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1185/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1186COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1187COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1188COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1189COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1190COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1191COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1192COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1193COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1194/* Big C for sound/OSS */
1195COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1196COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1197COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1198COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1199COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1200COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1201COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1202COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1203COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1204COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1205/* Big M for sound/OSS */
1206COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1207COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1208COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1209COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1210COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1211COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1212COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1213COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1214COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1215COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1216COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1217COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1218COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1219COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1220COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1221COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1222COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1223COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1224COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1225COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1226COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1227COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1228COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1229COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1230COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1231COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1232/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1233/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1234COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1235COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1236COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1237COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1238COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1239COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1240COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1241COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1242COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1243COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1244COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1245COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1246COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1247COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1248COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1249COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1250COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1251COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1252COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1253COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1254COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1255COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1256COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1257COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1258COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1259COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1260COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1261COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1262COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1263COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1264COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1265/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1266/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1267COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1268COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1269COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1270COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1271COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1272COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1273COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1274COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1275COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1276COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1277COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1278COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1279COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1280COMPATIBLE_IOCTL(OSS_GETVERSION)
1281/* AUTOFS */
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001282COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC)
1283COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER)
1284COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE)
1285COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI)
1286COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001287COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT)
1288/* Raw devices */
1289COMPATIBLE_IOCTL(RAW_SETBIND)
1290COMPATIBLE_IOCTL(RAW_GETBIND)
1291/* SMB ioctls which do not need any translations */
1292COMPATIBLE_IOCTL(SMB_IOC_NEWCONN)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001293/* Watchdog */
1294COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1295COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1296COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1297COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1298COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1299COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1300COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1301COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1302/* Big R */
1303COMPATIBLE_IOCTL(RNDGETENTCNT)
1304COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1305COMPATIBLE_IOCTL(RNDGETPOOL)
1306COMPATIBLE_IOCTL(RNDADDENTROPY)
1307COMPATIBLE_IOCTL(RNDZAPENTCNT)
1308COMPATIBLE_IOCTL(RNDCLEARPOOL)
1309/* Bluetooth */
1310COMPATIBLE_IOCTL(HCIDEVUP)
1311COMPATIBLE_IOCTL(HCIDEVDOWN)
1312COMPATIBLE_IOCTL(HCIDEVRESET)
1313COMPATIBLE_IOCTL(HCIDEVRESTAT)
1314COMPATIBLE_IOCTL(HCIGETDEVLIST)
1315COMPATIBLE_IOCTL(HCIGETDEVINFO)
1316COMPATIBLE_IOCTL(HCIGETCONNLIST)
1317COMPATIBLE_IOCTL(HCIGETCONNINFO)
Marcel Holtmann40be4922008-07-14 20:13:50 +02001318COMPATIBLE_IOCTL(HCIGETAUTHINFO)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001319COMPATIBLE_IOCTL(HCISETRAW)
1320COMPATIBLE_IOCTL(HCISETSCAN)
1321COMPATIBLE_IOCTL(HCISETAUTH)
1322COMPATIBLE_IOCTL(HCISETENCRYPT)
1323COMPATIBLE_IOCTL(HCISETPTYPE)
1324COMPATIBLE_IOCTL(HCISETLINKPOL)
1325COMPATIBLE_IOCTL(HCISETLINKMODE)
1326COMPATIBLE_IOCTL(HCISETACLMTU)
1327COMPATIBLE_IOCTL(HCISETSCOMTU)
1328COMPATIBLE_IOCTL(HCIINQUIRY)
1329COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1330COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1331COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1332COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1333COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1334COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1335COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1336COMPATIBLE_IOCTL(BNEPCONNADD)
1337COMPATIBLE_IOCTL(BNEPCONNDEL)
1338COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1339COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1340COMPATIBLE_IOCTL(CMTPCONNADD)
1341COMPATIBLE_IOCTL(CMTPCONNDEL)
1342COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1343COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1344COMPATIBLE_IOCTL(HIDPCONNADD)
1345COMPATIBLE_IOCTL(HIDPCONNDEL)
1346COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1347COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1348/* CAPI */
1349COMPATIBLE_IOCTL(CAPI_REGISTER)
1350COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1351COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1352COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1353COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1354COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1355COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1356COMPATIBLE_IOCTL(CAPI_INSTALLED)
1357COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1358COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1359COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1360COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1361COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1362/* Siemens Gigaset */
1363COMPATIBLE_IOCTL(GIGASET_REDIR)
1364COMPATIBLE_IOCTL(GIGASET_CONFIG)
1365COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1366COMPATIBLE_IOCTL(GIGASET_VERSION)
1367/* Misc. */
1368COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1369COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1370COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1371COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1372COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1373COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001374/* NBD */
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001375COMPATIBLE_IOCTL(NBD_DO_IT)
1376COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1377COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1378COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001379COMPATIBLE_IOCTL(NBD_DISCONNECT)
1380/* i2c */
1381COMPATIBLE_IOCTL(I2C_SLAVE)
1382COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1383COMPATIBLE_IOCTL(I2C_TENBIT)
1384COMPATIBLE_IOCTL(I2C_PEC)
1385COMPATIBLE_IOCTL(I2C_RETRIES)
1386COMPATIBLE_IOCTL(I2C_TIMEOUT)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001387/* hiddev */
1388COMPATIBLE_IOCTL(HIDIOCGVERSION)
1389COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1390COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1391COMPATIBLE_IOCTL(HIDIOCGSTRING)
1392COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1393COMPATIBLE_IOCTL(HIDIOCGREPORT)
1394COMPATIBLE_IOCTL(HIDIOCSREPORT)
1395COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1396COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1397COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1398COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1399COMPATIBLE_IOCTL(HIDIOCGUCODE)
1400COMPATIBLE_IOCTL(HIDIOCGFLAG)
1401COMPATIBLE_IOCTL(HIDIOCSFLAG)
1402COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1403COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1404/* dvb */
1405COMPATIBLE_IOCTL(AUDIO_STOP)
1406COMPATIBLE_IOCTL(AUDIO_PLAY)
1407COMPATIBLE_IOCTL(AUDIO_PAUSE)
1408COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1409COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1410COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1411COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1412COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1413COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1414COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1415COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1416COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1417COMPATIBLE_IOCTL(AUDIO_SET_ID)
1418COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1419COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1420COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1421COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1422COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1423COMPATIBLE_IOCTL(DMX_START)
1424COMPATIBLE_IOCTL(DMX_STOP)
1425COMPATIBLE_IOCTL(DMX_SET_FILTER)
1426COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1427COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1428COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1429COMPATIBLE_IOCTL(DMX_GET_CAPS)
1430COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1431COMPATIBLE_IOCTL(DMX_GET_STC)
1432COMPATIBLE_IOCTL(FE_GET_INFO)
1433COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1434COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1435COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1436COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1437COMPATIBLE_IOCTL(FE_SET_TONE)
1438COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1439COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1440COMPATIBLE_IOCTL(FE_READ_STATUS)
1441COMPATIBLE_IOCTL(FE_READ_BER)
1442COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1443COMPATIBLE_IOCTL(FE_READ_SNR)
1444COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1445COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1446COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1447COMPATIBLE_IOCTL(FE_GET_EVENT)
1448COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1449COMPATIBLE_IOCTL(VIDEO_STOP)
1450COMPATIBLE_IOCTL(VIDEO_PLAY)
1451COMPATIBLE_IOCTL(VIDEO_FREEZE)
1452COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1453COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1454COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1455COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1456COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1457COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1458COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1459COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1460COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1461COMPATIBLE_IOCTL(VIDEO_SET_ID)
1462COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1463COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1464COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1465COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1466COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1467COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1468COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1469COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1470COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1471
Akos Maroy3fee37c2008-01-06 11:15:55 +01001472/* joystick */
1473COMPATIBLE_IOCTL(JSIOCGVERSION)
1474COMPATIBLE_IOCTL(JSIOCGAXES)
1475COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1476COMPATIBLE_IOCTL(JSIOCGNAME(0))
1477
Christoph Hellwig9c0cbd52005-10-30 15:01:41 -08001478#ifdef TIOCGLTC
1479COMPATIBLE_IOCTL(TIOCGLTC)
1480COMPATIBLE_IOCTL(TIOCSLTC)
1481#endif
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001482#ifdef TIOCSTART
1483/*
Adam Buchbinder6070d812009-12-04 15:47:01 -05001484 * For these two we have definitions in ioctls.h and/or termios.h on
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001485 * some architectures but no actual implemention. Some applications
1486 * like bash call them if they are defined in the headers, so we provide
1487 * entries here to avoid syslog message spew.
1488 */
1489COMPATIBLE_IOCTL(TIOCSTART)
1490COMPATIBLE_IOCTL(TIOCSTOP)
1491#endif
Andi Kleenc6b44d12006-01-12 01:05:26 -08001492
Andi Kleen2724b6d2007-05-02 19:27:21 +02001493/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1494 but we don't want warnings on other file systems. So declare
1495 them as compatible here. */
1496#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1497#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1498
1499IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1500IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
Geert Uytterhoeven98701dc2007-07-15 23:42:01 -07001501
David S. Miller81639042007-07-29 00:50:42 -07001502#ifdef CONFIG_SPARC
1503/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1504IGNORE_IOCTL(FBIOGTYPE)
1505IGNORE_IOCTL(FBIOSATTR)
1506IGNORE_IOCTL(FBIOGATTR)
1507IGNORE_IOCTL(FBIOSVIDEO)
1508IGNORE_IOCTL(FBIOGVIDEO)
1509IGNORE_IOCTL(FBIOSCURPOS)
1510IGNORE_IOCTL(FBIOGCURPOS)
1511IGNORE_IOCTL(FBIOGCURMAX)
1512IGNORE_IOCTL(FBIOPUTCMAP32)
1513IGNORE_IOCTL(FBIOGETCMAP32)
1514IGNORE_IOCTL(FBIOSCURSOR32)
1515IGNORE_IOCTL(FBIOGCURSOR32)
1516#endif
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -08001517};
David S. Miller6e87abd2005-11-16 00:52:57 -08001518
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001519/*
1520 * Convert common ioctl arguments based on their command number
1521 *
1522 * Please do not add any code in here. Instead, implement
1523 * a compat_ioctl operation in the place that handleѕ the
1524 * ioctl for the native case.
1525 */
1526static long do_ioctl_trans(int fd, unsigned int cmd,
1527 unsigned long arg, struct file *file)
1528{
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001529 void __user *argp = compat_ptr(arg);
1530
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001531 switch (cmd) {
1532 case PPPIOCGIDLE32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001533 return ppp_gidle(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001534 case PPPIOCSCOMPRESS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001535 return ppp_scompress(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001536 case PPPIOCSPASS32:
1537 case PPPIOCSACTIVE32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001538 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001539#ifdef CONFIG_BLOCK
1540 case SG_IO:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001541 return sg_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001542 case SG_GET_REQUEST_TABLE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001543 return sg_grt_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001544 case MTIOCGET32:
1545 case MTIOCPOS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001546 return mt_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001547 /* Raw devices */
1548 case RAW_SETBIND:
1549 case RAW_GETBIND:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001550 return raw_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001551#endif
1552#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
1553 case AUTOFS_IOC_SETTIMEOUT32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001554 return ioc_settimeout(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001555 /* One SMB ioctl needs translations. */
1556#define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
1557 case SMB_IOC_GETMOUNTUID_32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001558 return do_smb_getmountuid(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001559 /* Serial */
1560 case TIOCGSERIAL:
1561 case TIOCSSERIAL:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001562 return serial_struct_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001563 /* i2c */
1564 case I2C_FUNCS:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001565 return w_long(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001566 case I2C_RDWR:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001567 return do_i2c_rdwr_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001568 case I2C_SMBUS:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001569 return do_i2c_smbus_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001570 /* Not implemented in the native kernel */
1571 case RTC_IRQP_READ32:
1572 case RTC_IRQP_SET32:
1573 case RTC_EPOCH_READ32:
1574 case RTC_EPOCH_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001575 return rtc_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001576
1577 /* dvb */
1578 case VIDEO_GET_EVENT:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001579 return do_video_get_event(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001580 case VIDEO_STILLPICTURE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001581 return do_video_stillpicture(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001582 case VIDEO_SET_SPU_PALETTE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001583 return do_video_set_spu_palette(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001584 }
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001585
1586 /*
1587 * These take an integer instead of a pointer as 'arg',
1588 * so we must not do a compat_ptr() translation.
1589 */
1590 switch (cmd) {
1591 /* Big T */
1592 case TCSBRKP:
1593 case TIOCMIWAIT:
1594 case TIOCSCTTY:
1595 /* RAID */
1596 case HOT_REMOVE_DISK:
1597 case HOT_ADD_DISK:
1598 case SET_DISK_FAULTY:
1599 case SET_BITMAP_FILE:
1600 /* Big K */
1601 case KDSIGACCEPT:
1602 case KIOCSOUND:
1603 case KDMKTONE:
1604 case KDSETMODE:
1605 case KDSKBMODE:
1606 case KDSKBMETA:
1607 case KDSKBLED:
1608 case KDSETLED:
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001609 /* AUTOFS */
1610 case AUTOFS_IOC_READY:
1611 case AUTOFS_IOC_FAIL:
1612 /* NBD */
1613 case NBD_SET_SOCK:
1614 case NBD_SET_BLKSIZE:
1615 case NBD_SET_SIZE:
1616 case NBD_SET_SIZE_BLOCKS:
1617 return do_vfs_ioctl(file, fd, cmd, arg);
1618 }
1619
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001620 return -ENOIOCTLCMD;
1621}
1622
Christoph Hellwig6272e262007-05-08 00:29:21 -07001623static void compat_ioctl_error(struct file *filp, unsigned int fd,
1624 unsigned int cmd, unsigned long arg)
1625{
1626 char buf[10];
1627 char *fn = "?";
1628 char *path;
1629
1630 /* find the name of the device. */
1631 path = (char *)__get_free_page(GFP_KERNEL);
1632 if (path) {
Jan Blunckcf28b482008-02-14 19:38:44 -08001633 fn = d_path(&filp->f_path, path, PAGE_SIZE);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001634 if (IS_ERR(fn))
1635 fn = "?";
1636 }
1637
1638 sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);
1639 if (!isprint(buf[1]))
1640 sprintf(buf, "%02x", buf[1]);
1641 compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
1642 "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n",
1643 current->comm, current->pid,
1644 (int)fd, (unsigned int)cmd, buf,
1645 (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,
1646 (unsigned int)arg, fn);
1647
1648 if (path)
1649 free_page((unsigned long)path);
1650}
1651
Arnd Bergmann661f6272009-11-05 19:52:55 +01001652static int compat_ioctl_check_table(unsigned int xcmd)
1653{
1654 int i;
1655 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1656
1657 BUILD_BUG_ON(max >= (1 << 16));
1658
1659 /* guess initial offset into table, assuming a
1660 normalized distribution */
1661 i = ((xcmd >> 16) * max) >> 16;
1662
1663 /* do linear search up first, until greater or equal */
1664 while (ioctl_pointer[i] < xcmd && i < max)
1665 i++;
1666
1667 /* then do linear search down */
1668 while (ioctl_pointer[i] > xcmd && i > 0)
1669 i--;
1670
1671 return ioctl_pointer[i] == xcmd;
1672}
1673
Christoph Hellwig6272e262007-05-08 00:29:21 -07001674asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1675 unsigned long arg)
1676{
1677 struct file *filp;
1678 int error = -EBADF;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001679 int fput_needed;
1680
1681 filp = fget_light(fd, &fput_needed);
1682 if (!filp)
1683 goto out;
1684
1685 /* RED-PEN how should LSM module know it's handling 32bit? */
1686 error = security_file_ioctl(filp, cmd, arg);
1687 if (error)
1688 goto out_fput;
1689
1690 /*
1691 * To allow the compat_ioctl handlers to be self contained
1692 * we need to check the common ioctls here first.
1693 * Just handle them with the standard handlers below.
1694 */
1695 switch (cmd) {
1696 case FIOCLEX:
1697 case FIONCLEX:
1698 case FIONBIO:
1699 case FIOASYNC:
1700 case FIOQSIZE:
1701 break;
1702
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001703#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1704 case FS_IOC_RESVSP_32:
1705 case FS_IOC_RESVSP64_32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001706 error = compat_ioctl_preallocate(filp, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001707 goto out_fput;
1708#else
1709 case FS_IOC_RESVSP:
1710 case FS_IOC_RESVSP64:
Heiko Carstens7779d7b2009-11-11 14:26:34 -08001711 error = ioctl_preallocate(filp, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001712 goto out_fput;
1713#endif
1714
Christoph Hellwig6272e262007-05-08 00:29:21 -07001715 case FIBMAP:
1716 case FIGETBSZ:
1717 case FIONREAD:
1718 if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
1719 break;
1720 /*FALL THROUGH*/
1721
1722 default:
1723 if (filp->f_op && filp->f_op->compat_ioctl) {
1724 error = filp->f_op->compat_ioctl(filp, cmd, arg);
1725 if (error != -ENOIOCTLCMD)
1726 goto out_fput;
1727 }
1728
1729 if (!filp->f_op ||
1730 (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl))
1731 goto do_ioctl;
1732 break;
1733 }
1734
Arnd Bergmann661f6272009-11-05 19:52:55 +01001735 if (compat_ioctl_check_table(XFORM(cmd)))
1736 goto found_handler;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001737
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001738 error = do_ioctl_trans(fd, cmd, arg, filp);
1739 if (error == -ENOIOCTLCMD) {
Christoph Hellwig6272e262007-05-08 00:29:21 -07001740 static int count;
1741
1742 if (++count <= 50)
1743 compat_ioctl_error(filp, fd, cmd, arg);
1744 error = -EINVAL;
1745 }
1746
1747 goto out_fput;
1748
1749 found_handler:
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001750 arg = (unsigned long)compat_ptr(arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001751 do_ioctl:
Erez Zadokdeb21db2008-02-07 00:13:25 -08001752 error = do_vfs_ioctl(filp, fd, cmd, arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001753 out_fput:
1754 fput_light(filp, fput_needed);
1755 out:
1756 return error;
1757}
1758
Arnd Bergmann661f6272009-11-05 19:52:55 +01001759static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001760{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001761 unsigned int a, b;
1762 a = *(unsigned int *)p;
1763 b = *(unsigned int *)q;
1764 if (a > b)
1765 return 1;
1766 if (a < b)
1767 return -1;
1768 return 0;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001769}
1770
1771static int __init init_sys32_ioctl(void)
1772{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001773 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1774 init_sys32_ioctl_cmp, NULL);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001775 return 0;
1776}
1777__initcall(init_sys32_ioctl);