blob: bd01b92aad98eb7a8b212a802854bf1546f23c0b [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
Pavel Macheka2531292010-07-18 14:27:13 +02007 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <linux/ioctl.h>
23#include <linux/if.h>
24#include <linux/if_bridge.h>
NeilBrownbff61972009-03-31 14:33:13 +110025#include <linux/raid/md_u.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <linux/kd.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <linux/route.h>
28#include <linux/in6.h>
29#include <linux/ipv6_route.h>
30#include <linux/skbuff.h>
31#include <linux/netlink.h>
32#include <linux/vt.h>
Ankit Jain3e63cbb2009-06-19 14:28:07 -040033#include <linux/falloc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070034#include <linux/fs.h>
35#include <linux/file.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#include <linux/ppp_defs.h>
Paul Mackerras4b32da2b2012-03-04 12:56:55 +000037#include <linux/ppp-ioctl.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#include <linux/if_pppox.h>
39#include <linux/mtio.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#include <linux/auto_fs.h>
41#include <linux/auto_fs4.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#include <linux/tty.h>
43#include <linux/vt_kern.h>
44#include <linux/fb.h>
Mauro Carvalho Chehab88ae7622010-12-27 07:47:54 -030045#include <linux/videodev2.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#include <linux/netdevice.h>
47#include <linux/raw.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070048#include <linux/blkdev.h>
49#include <linux/elevator.h>
50#include <linux/rtc.h>
51#include <linux/pci.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#include <linux/serial.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070053#include <linux/if_tun.h>
54#include <linux/ctype.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070055#include <linux/syscalls.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070056#include <linux/i2c.h>
57#include <linux/i2c-dev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070058#include <linux/atalk.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090059#include <linux/gfp.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
Al Viro66cf1912016-01-07 09:53:30 -050061#include "internal.h"
62
Linus Torvalds1da177e2005-04-16 15:20:36 -070063#include <net/bluetooth/bluetooth.h>
Marcel Holtmannf49daa82014-07-11 04:58:29 +020064#include <net/bluetooth/hci_sock.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070065#include <net/bluetooth/rfcomm.h>
66
67#include <linux/capi.h>
Hansjoerg Lipp5024ad42006-06-26 00:25:35 -070068#include <linux/gigaset_dev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
Randy Dunlap3c3622d2008-07-16 08:52:00 -050070#ifdef CONFIG_BLOCK
Johannes Stezenbach390192b2011-07-01 22:32:26 +020071#include <linux/cdrom.h>
72#include <linux/fd.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
106#include <linux/hiddev.h>
107
Mauro Carvalho Chehabe97a5d82011-12-31 16:54:46 -0200108#define __DVB_CORE__
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
Jann Horna7f61e892016-01-05 18:27:30 +0100120#define convert_in_user(srcptr, dstptr) \
121({ \
122 typeof(*srcptr) val; \
123 \
124 get_user(val, srcptr) || put_user(val, dstptr); \
125})
126
Al Viro66cf1912016-01-07 09:53:30 -0500127static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
Jann Hornb4341722016-01-05 18:27:29 +0100128{
129 int err;
130
131 err = security_file_ioctl(file, cmd, arg);
132 if (err)
133 return err;
134
Al Viro66cf1912016-01-07 09:53:30 -0500135 return vfs_ioctl(file, cmd, arg);
Jann Hornb4341722016-01-05 18:27:29 +0100136}
137
Al Viro66cf1912016-01-07 09:53:30 -0500138static int w_long(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100139 unsigned int cmd, compat_ulong_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141 int err;
Jann Horna7f61e892016-01-05 18:27:30 +0100142 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100143
Jann Horna7f61e892016-01-05 18:27:30 +0100144 if (valp == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145 return -EFAULT;
Jann Horna7f61e892016-01-05 18:27:30 +0100146 err = do_ioctl(file, cmd, (unsigned long)valp);
147 if (err)
148 return err;
149 if (convert_in_user(valp, argp))
150 return -EFAULT;
151 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152}
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100153
David S. Miller6e87abd2005-11-16 00:52:57 -0800154struct compat_video_event {
155 int32_t type;
156 compat_time_t timestamp;
157 union {
158 video_size_t size;
159 unsigned int frame_rate;
160 } u;
161};
162
Al Viro66cf1912016-01-07 09:53:30 -0500163static int do_video_get_event(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100164 unsigned int cmd, struct compat_video_event __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800165{
Jann Horna7f61e892016-01-05 18:27:30 +0100166 struct video_event __user *kevent =
167 compat_alloc_user_space(sizeof(*kevent));
David S. Miller6e87abd2005-11-16 00:52:57 -0800168 int err;
169
Jann Horna7f61e892016-01-05 18:27:30 +0100170 if (kevent == NULL)
171 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800172
Jann Horna7f61e892016-01-05 18:27:30 +0100173 err = do_ioctl(file, cmd, (unsigned long)kevent);
David S. Miller6e87abd2005-11-16 00:52:57 -0800174 if (!err) {
Jann Horna7f61e892016-01-05 18:27:30 +0100175 err = convert_in_user(&kevent->type, &up->type);
176 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
177 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
178 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
179 err |= convert_in_user(&kevent->u.size.aspect_ratio,
David S. Miller6e87abd2005-11-16 00:52:57 -0800180 &up->u.size.aspect_ratio);
181 if (err)
182 err = -EFAULT;
183 }
184
185 return err;
186}
187
188struct compat_video_still_picture {
189 compat_uptr_t iFrame;
190 int32_t size;
191};
192
Al Viro66cf1912016-01-07 09:53:30 -0500193static int do_video_stillpicture(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100194 unsigned int cmd, struct compat_video_still_picture __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800195{
David S. Miller6e87abd2005-11-16 00:52:57 -0800196 struct video_still_picture __user *up_native;
197 compat_uptr_t fp;
198 int32_t size;
199 int err;
200
David S. Miller6e87abd2005-11-16 00:52:57 -0800201 err = get_user(fp, &up->iFrame);
202 err |= get_user(size, &up->size);
203 if (err)
204 return -EFAULT;
205
206 up_native =
207 compat_alloc_user_space(sizeof(struct video_still_picture));
208
Heiko Carstens7116e992006-12-06 20:36:36 -0800209 err = put_user(compat_ptr(fp), &up_native->iFrame);
210 err |= put_user(size, &up_native->size);
211 if (err)
212 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800213
Al Viro66cf1912016-01-07 09:53:30 -0500214 err = do_ioctl(file, cmd, (unsigned long) up_native);
David S. Miller6e87abd2005-11-16 00:52:57 -0800215
216 return err;
217}
218
219struct compat_video_spu_palette {
220 int length;
221 compat_uptr_t palette;
222};
223
Al Viro66cf1912016-01-07 09:53:30 -0500224static int do_video_set_spu_palette(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100225 unsigned int cmd, struct compat_video_spu_palette __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800226{
David S. Miller6e87abd2005-11-16 00:52:57 -0800227 struct video_spu_palette __user *up_native;
228 compat_uptr_t palp;
229 int length, err;
230
David S. Miller6e87abd2005-11-16 00:52:57 -0800231 err = get_user(palp, &up->palette);
232 err |= get_user(length, &up->length);
Kees Cook12176502012-10-25 13:38:16 -0700233 if (err)
234 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800235
236 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
Heiko Carstens7116e992006-12-06 20:36:36 -0800237 err = put_user(compat_ptr(palp), &up_native->palette);
238 err |= put_user(length, &up_native->length);
239 if (err)
240 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800241
Al Viro66cf1912016-01-07 09:53:30 -0500242 err = do_ioctl(file, cmd, (unsigned long) up_native);
David S. Miller6e87abd2005-11-16 00:52:57 -0800243
244 return err;
245}
246
David Howells93614012006-09-30 20:45:40 +0200247#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248typedef struct sg_io_hdr32 {
249 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
250 compat_int_t dxfer_direction; /* [i] data transfer direction */
251 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
252 unsigned char mx_sb_len; /* [i] max length to write to sbp */
253 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
254 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
255 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
256 or scatter gather list */
257 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
258 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
259 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
260 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
261 compat_int_t pack_id; /* [i->o] unused internally (normally) */
262 compat_uptr_t usr_ptr; /* [i->o] unused internally */
263 unsigned char status; /* [o] scsi status */
264 unsigned char masked_status; /* [o] shifted, masked scsi status */
265 unsigned char msg_status; /* [o] messaging level data (optional) */
266 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
267 unsigned short host_status; /* [o] errors from host adapter */
268 unsigned short driver_status; /* [o] errors from software driver */
269 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
270 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
271 compat_uint_t info; /* [o] auxiliary information */
272} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
273
274typedef struct sg_iovec32 {
275 compat_uint_t iov_base;
276 compat_uint_t iov_len;
277} sg_iovec32_t;
278
279static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
280{
281 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
282 sg_iovec32_t __user *iov32 = dxferp;
283 int i;
284
285 for (i = 0; i < iovec_count; i++) {
286 u32 base, len;
287
288 if (get_user(base, &iov32[i].iov_base) ||
289 get_user(len, &iov32[i].iov_len) ||
290 put_user(compat_ptr(base), &iov[i].iov_base) ||
291 put_user(len, &iov[i].iov_len))
292 return -EFAULT;
293 }
294
295 if (put_user(iov, &sgio->dxferp))
296 return -EFAULT;
297 return 0;
298}
299
Al Viro66cf1912016-01-07 09:53:30 -0500300static int sg_ioctl_trans(struct file *file, unsigned int cmd,
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100301 sg_io_hdr32_t __user *sgio32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302{
303 sg_io_hdr_t __user *sgio;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700304 u16 iovec_count;
305 u32 data;
306 void __user *dxferp;
307 int err;
FUJITA Tomonori84eb8fb2010-01-05 19:41:44 +0900308 int interface_id;
309
310 if (get_user(interface_id, &sgio32->interface_id))
311 return -EFAULT;
312 if (interface_id != 'S')
Al Viro66cf1912016-01-07 09:53:30 -0500313 return do_ioctl(file, cmd, (unsigned long)sgio32);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 if (get_user(iovec_count, &sgio32->iovec_count))
316 return -EFAULT;
317
318 {
319 void __user *top = compat_alloc_user_space(0);
320 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
321 (iovec_count * sizeof(sg_iovec_t)));
322 if (new > top)
323 return -EINVAL;
324
325 sgio = new;
326 }
327
328 /* Ok, now construct. */
329 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
330 (2 * sizeof(int)) +
331 (2 * sizeof(unsigned char)) +
332 (1 * sizeof(unsigned short)) +
333 (1 * sizeof(unsigned int))))
334 return -EFAULT;
335
336 if (get_user(data, &sgio32->dxferp))
337 return -EFAULT;
338 dxferp = compat_ptr(data);
339 if (iovec_count) {
340 if (sg_build_iovec(sgio, dxferp, iovec_count))
341 return -EFAULT;
342 } else {
343 if (put_user(dxferp, &sgio->dxferp))
344 return -EFAULT;
345 }
346
347 {
348 unsigned char __user *cmdp;
349 unsigned char __user *sbp;
350
351 if (get_user(data, &sgio32->cmdp))
352 return -EFAULT;
353 cmdp = compat_ptr(data);
354
355 if (get_user(data, &sgio32->sbp))
356 return -EFAULT;
357 sbp = compat_ptr(data);
358
359 if (put_user(cmdp, &sgio->cmdp) ||
360 put_user(sbp, &sgio->sbp))
361 return -EFAULT;
362 }
363
364 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
365 3 * sizeof(int)))
366 return -EFAULT;
367
368 if (get_user(data, &sgio32->usr_ptr))
369 return -EFAULT;
370 if (put_user(compat_ptr(data), &sgio->usr_ptr))
371 return -EFAULT;
372
Al Viro66cf1912016-01-07 09:53:30 -0500373 err = do_ioctl(file, cmd, (unsigned long) sgio);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374
375 if (err >= 0) {
376 void __user *datap;
377
378 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
379 sizeof(int)) ||
380 get_user(datap, &sgio->usr_ptr) ||
381 put_user((u32)(unsigned long)datap,
382 &sgio32->usr_ptr) ||
383 copy_in_user(&sgio32->status, &sgio->status,
384 (4 * sizeof(unsigned char)) +
385 (2 * sizeof(unsigned short)) +
386 (3 * sizeof(int))))
387 err = -EFAULT;
388 }
389
390 return err;
391}
392
Andi Kleen29663872006-01-11 22:44:03 +0100393struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
394 char req_state;
395 char orphan;
396 char sg_io_owned;
397 char problem;
398 int pack_id;
399 compat_uptr_t usr_ptr;
400 unsigned int duration;
401 int unused;
402};
403
Al Viro66cf1912016-01-07 09:53:30 -0500404static int sg_grt_trans(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100405 unsigned int cmd, struct compat_sg_req_info __user *o)
Andi Kleen29663872006-01-11 22:44:03 +0100406{
407 int err, i;
Al Viro6b2b4e52006-02-01 06:33:33 -0500408 sg_req_info_t __user *r;
Andi Kleen29663872006-01-11 22:44:03 +0100409 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
Al Viro66cf1912016-01-07 09:53:30 -0500410 err = do_ioctl(file, cmd, (unsigned long)r);
Andi Kleen29663872006-01-11 22:44:03 +0100411 if (err < 0)
412 return err;
413 for (i = 0; i < SG_MAX_QUEUE; i++) {
414 void __user *ptr;
415 int d;
416
417 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
418 get_user(ptr, &r[i].usr_ptr) ||
419 get_user(d, &r[i].duration) ||
420 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
421 put_user(d, &o[i].duration))
422 return -EFAULT;
423 }
424 return err;
425}
David Howells93614012006-09-30 20:45:40 +0200426#endif /* CONFIG_BLOCK */
Andi Kleen29663872006-01-11 22:44:03 +0100427
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428struct sock_fprog32 {
429 unsigned short len;
430 compat_caddr_t filter;
431};
432
433#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
434#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
435
Al Viro66cf1912016-01-07 09:53:30 -0500436static int ppp_sock_fprog_ioctl_trans(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100437 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
440 void __user *fptr64;
441 u32 fptr32;
442 u16 flen;
443
444 if (get_user(flen, &u_fprog32->len) ||
445 get_user(fptr32, &u_fprog32->filter))
446 return -EFAULT;
447
448 fptr64 = compat_ptr(fptr32);
449
450 if (put_user(flen, &u_fprog64->len) ||
451 put_user(fptr64, &u_fprog64->filter))
452 return -EFAULT;
453
454 if (cmd == PPPIOCSPASS32)
455 cmd = PPPIOCSPASS;
456 else
457 cmd = PPPIOCSACTIVE;
458
Al Viro66cf1912016-01-07 09:53:30 -0500459 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460}
461
462struct ppp_option_data32 {
463 compat_caddr_t ptr;
464 u32 length;
465 compat_int_t transmit;
466};
467#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
468
469struct ppp_idle32 {
470 compat_time_t xmit_idle;
471 compat_time_t recv_idle;
472};
473#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
474
Al Viro66cf1912016-01-07 09:53:30 -0500475static int ppp_gidle(struct file *file, unsigned int cmd,
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100476 struct ppp_idle32 __user *idle32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477{
478 struct ppp_idle __user *idle;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479 __kernel_time_t xmit, recv;
480 int err;
481
482 idle = compat_alloc_user_space(sizeof(*idle));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700483
Al Viro66cf1912016-01-07 09:53:30 -0500484 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485
486 if (!err) {
487 if (get_user(xmit, &idle->xmit_idle) ||
488 get_user(recv, &idle->recv_idle) ||
489 put_user(xmit, &idle32->xmit_idle) ||
490 put_user(recv, &idle32->recv_idle))
491 err = -EFAULT;
492 }
493 return err;
494}
495
Al Viro66cf1912016-01-07 09:53:30 -0500496static int ppp_scompress(struct file *file, unsigned int cmd,
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100497 struct ppp_option_data32 __user *odata32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700498{
499 struct ppp_option_data __user *odata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500 __u32 data;
501 void __user *datap;
502
503 odata = compat_alloc_user_space(sizeof(*odata));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504
505 if (get_user(data, &odata32->ptr))
506 return -EFAULT;
507
508 datap = compat_ptr(data);
509 if (put_user(datap, &odata->ptr))
510 return -EFAULT;
511
512 if (copy_in_user(&odata->length, &odata32->length,
513 sizeof(__u32) + sizeof(int)))
514 return -EFAULT;
515
Al Viro66cf1912016-01-07 09:53:30 -0500516 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700517}
518
David Howells93614012006-09-30 20:45:40 +0200519#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700520struct mtget32 {
521 compat_long_t mt_type;
522 compat_long_t mt_resid;
523 compat_long_t mt_dsreg;
524 compat_long_t mt_gstat;
525 compat_long_t mt_erreg;
526 compat_daddr_t mt_fileno;
527 compat_daddr_t mt_blkno;
528};
529#define MTIOCGET32 _IOR('m', 2, struct mtget32)
530
531struct mtpos32 {
532 compat_long_t mt_blkno;
533};
534#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
535
Al Viro66cf1912016-01-07 09:53:30 -0500536static int mt_ioctl_trans(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100537 unsigned int cmd, void __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538{
Jann Horna7f61e892016-01-05 18:27:30 +0100539 /* NULL initialization to make gcc shut up */
540 struct mtget __user *get = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541 struct mtget32 __user *umget32;
Jann Horna7f61e892016-01-05 18:27:30 +0100542 struct mtpos __user *pos = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543 struct mtpos32 __user *upos32;
544 unsigned long kcmd;
545 void *karg;
546 int err = 0;
547
548 switch(cmd) {
549 case MTIOCPOS32:
550 kcmd = MTIOCPOS;
Jann Horna7f61e892016-01-05 18:27:30 +0100551 pos = compat_alloc_user_space(sizeof(*pos));
552 karg = pos;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700553 break;
Andrew Morton45bf5cd2010-03-05 13:43:19 -0800554 default: /* MTIOCGET32 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700555 kcmd = MTIOCGET;
Jann Horna7f61e892016-01-05 18:27:30 +0100556 get = compat_alloc_user_space(sizeof(*get));
557 karg = get;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700559 }
Jann Horna7f61e892016-01-05 18:27:30 +0100560 if (karg == NULL)
561 return -EFAULT;
Al Viro66cf1912016-01-07 09:53:30 -0500562 err = do_ioctl(file, kcmd, (unsigned long)karg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700563 if (err)
564 return err;
565 switch (cmd) {
566 case MTIOCPOS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100567 upos32 = argp;
Jann Horna7f61e892016-01-05 18:27:30 +0100568 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700569 break;
570 case MTIOCGET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100571 umget32 = argp;
Jann Horna7f61e892016-01-05 18:27:30 +0100572 err = convert_in_user(&get->mt_type, &umget32->mt_type);
573 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
574 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
575 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
576 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
577 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
578 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700579 break;
580 }
581 return err ? -EFAULT: 0;
582}
583
David Howells93614012006-09-30 20:45:40 +0200584#endif /* CONFIG_BLOCK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586/* Bluetooth ioctls */
Johan Hedberg2cdf0962010-07-09 16:28:36 -0300587#define HCIUARTSETPROTO _IOW('U', 200, int)
588#define HCIUARTGETPROTO _IOR('U', 201, int)
589#define HCIUARTGETDEVICE _IOR('U', 202, int)
Johan Hedberg63c7d092010-07-12 11:37:04 -0300590#define HCIUARTSETFLAGS _IOW('U', 203, int)
591#define HCIUARTGETFLAGS _IOR('U', 204, int)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592
593#define BNEPCONNADD _IOW('B', 200, int)
594#define BNEPCONNDEL _IOW('B', 201, int)
595#define BNEPGETCONNLIST _IOR('B', 210, int)
596#define BNEPGETCONNINFO _IOR('B', 211, int)
Grzegorz Kolodziejczyk0477e2e2015-04-03 12:14:53 +0200597#define BNEPGETSUPPFEAT _IOR('B', 212, int)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700598
599#define CMTPCONNADD _IOW('C', 200, int)
600#define CMTPCONNDEL _IOW('C', 201, int)
601#define CMTPGETCONNLIST _IOR('C', 210, int)
602#define CMTPGETCONNINFO _IOR('C', 211, int)
603
604#define HIDPCONNADD _IOW('H', 200, int)
605#define HIDPCONNDEL _IOW('H', 201, int)
606#define HIDPGETCONNLIST _IOR('H', 210, int)
607#define HIDPGETCONNINFO _IOR('H', 211, int)
608
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609
610struct serial_struct32 {
611 compat_int_t type;
612 compat_int_t line;
613 compat_uint_t port;
614 compat_int_t irq;
615 compat_int_t flags;
616 compat_int_t xmit_fifo_size;
617 compat_int_t custom_divisor;
618 compat_int_t baud_base;
619 unsigned short close_delay;
620 char io_type;
621 char reserved_char[1];
622 compat_int_t hub6;
623 unsigned short closing_wait; /* time to wait before closing */
624 unsigned short closing_wait2; /* no longer used... */
625 compat_uint_t iomem_base;
626 unsigned short iomem_reg_shift;
627 unsigned int port_high;
628 /* compat_ulong_t iomap_base FIXME */
629 compat_int_t reserved[1];
630};
631
Al Viro66cf1912016-01-07 09:53:30 -0500632static int serial_struct_ioctl(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100633 unsigned cmd, struct serial_struct32 __user *ss32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700634{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700635 typedef struct serial_struct32 SS32;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636 int err;
Jann Horna7f61e892016-01-05 18:27:30 +0100637 struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700638 __u32 udata;
Heiko Carstens7116e992006-12-06 20:36:36 -0800639 unsigned int base;
Jann Horna7f61e892016-01-05 18:27:30 +0100640 unsigned char *iomem_base;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641
Jann Horna7f61e892016-01-05 18:27:30 +0100642 if (ss == NULL)
643 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700644 if (cmd == TIOCSSERIAL) {
Jann Horna7f61e892016-01-05 18:27:30 +0100645 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
646 get_user(udata, &ss32->iomem_base))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700647 return -EFAULT;
Jann Horna7f61e892016-01-05 18:27:30 +0100648 iomem_base = compat_ptr(udata);
649 if (put_user(iomem_base, &ss->iomem_base) ||
650 convert_in_user(&ss32->iomem_reg_shift,
651 &ss->iomem_reg_shift) ||
652 convert_in_user(&ss32->port_high, &ss->port_high) ||
653 put_user(0UL, &ss->iomap_base))
Heiko Carstens7116e992006-12-06 20:36:36 -0800654 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655 }
Jann Horna7f61e892016-01-05 18:27:30 +0100656 err = do_ioctl(file, cmd, (unsigned long)ss);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 if (cmd == TIOCGSERIAL && err >= 0) {
Jann Horna7f61e892016-01-05 18:27:30 +0100658 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
659 get_user(iomem_base, &ss->iomem_base))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660 return -EFAULT;
Jann Horna7f61e892016-01-05 18:27:30 +0100661 base = (unsigned long)iomem_base >> 32 ?
662 0xffffffff : (unsigned)(unsigned long)iomem_base;
663 if (put_user(base, &ss32->iomem_base) ||
664 convert_in_user(&ss->iomem_reg_shift,
665 &ss32->iomem_reg_shift) ||
666 convert_in_user(&ss->port_high, &ss32->port_high))
Heiko Carstens7116e992006-12-06 20:36:36 -0800667 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 }
669 return err;
670}
671
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672/*
673 * I2C layer ioctls
674 */
675
676struct i2c_msg32 {
677 u16 addr;
678 u16 flags;
679 u16 len;
680 compat_caddr_t buf;
681};
682
683struct i2c_rdwr_ioctl_data32 {
684 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
685 u32 nmsgs;
686};
687
688struct i2c_smbus_ioctl_data32 {
689 u8 read_write;
690 u8 command;
691 u32 size;
692 compat_caddr_t data; /* union i2c_smbus_data *data */
693};
694
695struct i2c_rdwr_aligned {
696 struct i2c_rdwr_ioctl_data cmd;
697 struct i2c_msg msgs[0];
698};
699
Al Viro66cf1912016-01-07 09:53:30 -0500700static int do_i2c_rdwr_ioctl(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100701 unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700702{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700703 struct i2c_rdwr_aligned __user *tdata;
704 struct i2c_msg __user *tmsgs;
705 struct i2c_msg32 __user *umsgs;
706 compat_caddr_t datap;
Dan Carpenter38316c82014-01-21 15:48:43 -0800707 u32 nmsgs;
708 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700709
710 if (get_user(nmsgs, &udata->nmsgs))
711 return -EFAULT;
Jean Delvarec57d3e72015-09-08 11:05:49 +0200712 if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713 return -EINVAL;
714
715 if (get_user(datap, &udata->msgs))
716 return -EFAULT;
717 umsgs = compat_ptr(datap);
718
719 tdata = compat_alloc_user_space(sizeof(*tdata) +
720 nmsgs * sizeof(struct i2c_msg));
721 tmsgs = &tdata->msgs[0];
722
723 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
724 put_user(tmsgs, &tdata->cmd.msgs))
725 return -EFAULT;
726
727 for (i = 0; i < nmsgs; i++) {
728 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
729 return -EFAULT;
730 if (get_user(datap, &umsgs[i].buf) ||
731 put_user(compat_ptr(datap), &tmsgs[i].buf))
732 return -EFAULT;
733 }
Al Viro66cf1912016-01-07 09:53:30 -0500734 return do_ioctl(file, cmd, (unsigned long)tdata);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735}
736
Al Viro66cf1912016-01-07 09:53:30 -0500737static int do_i2c_smbus_ioctl(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100738 unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739{
740 struct i2c_smbus_ioctl_data __user *tdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700741 compat_caddr_t datap;
742
743 tdata = compat_alloc_user_space(sizeof(*tdata));
744 if (tdata == NULL)
745 return -ENOMEM;
746 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
747 return -EFAULT;
748
Linus Torvalds1da177e2005-04-16 15:20:36 -0700749 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
750 return -EFAULT;
751
752 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
753 return -EFAULT;
754 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
755 return -EFAULT;
756 if (__get_user(datap, &udata->data) ||
757 __put_user(compat_ptr(datap), &tdata->data))
758 return -EFAULT;
759
Al Viro66cf1912016-01-07 09:53:30 -0500760 return do_ioctl(file, cmd, (unsigned long)tdata);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761}
762
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800763#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
764#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
765#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
766#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
767
Al Viro66cf1912016-01-07 09:53:30 -0500768static int rtc_ioctl(struct file *file,
Jann Hornb4341722016-01-05 18:27:29 +0100769 unsigned cmd, void __user *argp)
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800770{
Jann Horna7f61e892016-01-05 18:27:30 +0100771 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800772 int ret;
773
Jann Horna7f61e892016-01-05 18:27:30 +0100774 if (valp == NULL)
775 return -EFAULT;
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800776 switch (cmd) {
777 case RTC_IRQP_READ32:
778 case RTC_EPOCH_READ32:
Al Viro66cf1912016-01-07 09:53:30 -0500779 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800780 RTC_IRQP_READ : RTC_EPOCH_READ,
Jann Horna7f61e892016-01-05 18:27:30 +0100781 (unsigned long)valp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800782 if (ret)
783 return ret;
Jann Horna7f61e892016-01-05 18:27:30 +0100784 return convert_in_user(valp, (unsigned int __user *)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800785 case RTC_IRQP_SET32:
Al Viro66cf1912016-01-07 09:53:30 -0500786 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800787 case RTC_EPOCH_SET32:
Al Viro66cf1912016-01-07 09:53:30 -0500788 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800789 }
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100790
791 return -ENOIOCTLCMD;
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800792}
793
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400794/* on ia32 l_start is on a 32-bit boundary */
795#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
796struct space_resv_32 {
797 __s16 l_type;
798 __s16 l_whence;
799 __s64 l_start __attribute__((packed));
800 /* len == 0 means until end of file */
801 __s64 l_len __attribute__((packed));
802 __s32 l_sysid;
803 __u32 l_pid;
804 __s32 l_pad[4]; /* reserve area */
805};
806
807#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
808#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
809
810/* just account for different alignment */
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100811static int compat_ioctl_preallocate(struct file *file,
812 struct space_resv_32 __user *p32)
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400813{
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400814 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
815
816 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
817 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
818 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
819 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
820 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
821 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
822 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
823 return -EFAULT;
824
825 return ioctl_preallocate(file, p);
826}
827#endif
828
Arnd Bergmann661f6272009-11-05 19:52:55 +0100829/*
830 * simple reversible transform to make our table more evenly
831 * distributed after sorting.
832 */
833#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
Christoph Hellwig6272e262007-05-08 00:29:21 -0700834
Arnd Bergmann661f6272009-11-05 19:52:55 +0100835#define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
Andi Kleen421f0282007-05-02 19:27:20 +0200836/* ioctl should not be warned about even if it's not implemented.
837 Valid reasons to use this:
838 - It is implemented with ->compat_ioctl on some device, but programs
839 call it on others too.
840 - The ioctl is not implemented in the native kernel, but programs
841 call it commonly anyways.
842 Most other reasons are not valid. */
843#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -0800844
Arnd Bergmann661f6272009-11-05 19:52:55 +0100845static unsigned int ioctl_pointer[] = {
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700846/* compatible ioctls first */
847COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
848COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
849
850/* Big T */
851COMPATIBLE_IOCTL(TCGETA)
852COMPATIBLE_IOCTL(TCSETA)
853COMPATIBLE_IOCTL(TCSETAW)
854COMPATIBLE_IOCTL(TCSETAF)
855COMPATIBLE_IOCTL(TCSBRK)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700856COMPATIBLE_IOCTL(TCXONC)
857COMPATIBLE_IOCTL(TCFLSH)
858COMPATIBLE_IOCTL(TCGETS)
859COMPATIBLE_IOCTL(TCSETS)
860COMPATIBLE_IOCTL(TCSETSW)
861COMPATIBLE_IOCTL(TCSETSF)
862COMPATIBLE_IOCTL(TIOCLINUX)
863COMPATIBLE_IOCTL(TIOCSBRK)
Werner Finkb7b8de02010-12-03 12:48:23 +0100864COMPATIBLE_IOCTL(TIOCGDEV)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700865COMPATIBLE_IOCTL(TIOCCBRK)
Andreas Schwab4cfbafd2010-02-10 13:56:40 -0800866COMPATIBLE_IOCTL(TIOCGSID)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700867COMPATIBLE_IOCTL(TIOCGICOUNT)
Cyrill Gorcunovc6298032012-10-24 23:43:21 +0400868COMPATIBLE_IOCTL(TIOCGPKT)
869COMPATIBLE_IOCTL(TIOCGPTLCK)
870COMPATIBLE_IOCTL(TIOCGEXCL)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700871/* Little t */
872COMPATIBLE_IOCTL(TIOCGETD)
873COMPATIBLE_IOCTL(TIOCSETD)
874COMPATIBLE_IOCTL(TIOCEXCL)
875COMPATIBLE_IOCTL(TIOCNXCL)
876COMPATIBLE_IOCTL(TIOCCONS)
877COMPATIBLE_IOCTL(TIOCGSOFTCAR)
878COMPATIBLE_IOCTL(TIOCSSOFTCAR)
879COMPATIBLE_IOCTL(TIOCSWINSZ)
880COMPATIBLE_IOCTL(TIOCGWINSZ)
881COMPATIBLE_IOCTL(TIOCMGET)
882COMPATIBLE_IOCTL(TIOCMBIC)
883COMPATIBLE_IOCTL(TIOCMBIS)
884COMPATIBLE_IOCTL(TIOCMSET)
885COMPATIBLE_IOCTL(TIOCPKT)
886COMPATIBLE_IOCTL(TIOCNOTTY)
887COMPATIBLE_IOCTL(TIOCSTI)
888COMPATIBLE_IOCTL(TIOCOUTQ)
889COMPATIBLE_IOCTL(TIOCSPGRP)
890COMPATIBLE_IOCTL(TIOCGPGRP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700891COMPATIBLE_IOCTL(TIOCGPTN)
892COMPATIBLE_IOCTL(TIOCSPTLCK)
893COMPATIBLE_IOCTL(TIOCSERGETLSR)
hyc@symas.com26df6d12010-06-22 10:14:49 -0700894COMPATIBLE_IOCTL(TIOCSIG)
Jaeden Amero142e5462012-09-24 10:39:45 -0500895#ifdef TIOCSRS485
Jaeden Amero84c3b842012-09-19 15:34:31 +0100896COMPATIBLE_IOCTL(TIOCSRS485)
Jaeden Amero142e5462012-09-24 10:39:45 -0500897#endif
898#ifdef TIOCGRS485
Jaeden Amero84c3b842012-09-19 15:34:31 +0100899COMPATIBLE_IOCTL(TIOCGRS485)
Jaeden Amero142e5462012-09-24 10:39:45 -0500900#endif
Heiko Carstens81257de2007-11-28 16:22:07 -0800901#ifdef TCGETS2
902COMPATIBLE_IOCTL(TCGETS2)
903COMPATIBLE_IOCTL(TCSETS2)
904COMPATIBLE_IOCTL(TCSETSW2)
905COMPATIBLE_IOCTL(TCSETSF2)
906#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700907/* Little f */
908COMPATIBLE_IOCTL(FIOCLEX)
909COMPATIBLE_IOCTL(FIONCLEX)
910COMPATIBLE_IOCTL(FIOASYNC)
911COMPATIBLE_IOCTL(FIONBIO)
912COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
Eric Sandeen69130c72009-08-06 15:07:37 -0700913COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700914/* 0x00 */
915COMPATIBLE_IOCTL(FIBMAP)
916COMPATIBLE_IOCTL(FIGETBSZ)
Christoph Hellwig5cf8cf42009-02-26 21:32:51 +0100917/* 'X' - originally XFS but some now in the VFS */
918COMPATIBLE_IOCTL(FIFREEZE)
919COMPATIBLE_IOCTL(FITHAW)
Mikulas Patocka9abea2d2015-07-09 18:05:15 +0200920COMPATIBLE_IOCTL(FITRIM)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700921COMPATIBLE_IOCTL(KDGETKEYCODE)
922COMPATIBLE_IOCTL(KDSETKEYCODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700923COMPATIBLE_IOCTL(KDGKBTYPE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700924COMPATIBLE_IOCTL(KDGETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700925COMPATIBLE_IOCTL(KDGKBMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700926COMPATIBLE_IOCTL(KDGKBMETA)
927COMPATIBLE_IOCTL(KDGKBENT)
928COMPATIBLE_IOCTL(KDSKBENT)
929COMPATIBLE_IOCTL(KDGKBSENT)
930COMPATIBLE_IOCTL(KDSKBSENT)
931COMPATIBLE_IOCTL(KDGKBDIACR)
932COMPATIBLE_IOCTL(KDSKBDIACR)
Michael Schuttecaaa3572012-09-04 22:54:16 -0700933COMPATIBLE_IOCTL(KDGKBDIACRUC)
934COMPATIBLE_IOCTL(KDSKBDIACRUC)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700935COMPATIBLE_IOCTL(KDKBDREP)
936COMPATIBLE_IOCTL(KDGKBLED)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700937COMPATIBLE_IOCTL(KDGETLED)
Randy Dunlap3c3622d2008-07-16 08:52:00 -0500938#ifdef CONFIG_BLOCK
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700939/* Big S */
940COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
941COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
942COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
943COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
944COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
945COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
946COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
947COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
Randy Dunlap3c3622d2008-07-16 08:52:00 -0500948#endif
Atsushi Nemoto3f001712010-01-10 23:29:16 +0900949/* Big V (don't complain on serial console) */
950IGNORE_IOCTL(VT_OPENQRY)
951IGNORE_IOCTL(VT_GETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700952/* Little p (/dev/rtc, /dev/envctrl, etc.) */
953COMPATIBLE_IOCTL(RTC_AIE_ON)
954COMPATIBLE_IOCTL(RTC_AIE_OFF)
955COMPATIBLE_IOCTL(RTC_UIE_ON)
956COMPATIBLE_IOCTL(RTC_UIE_OFF)
957COMPATIBLE_IOCTL(RTC_PIE_ON)
958COMPATIBLE_IOCTL(RTC_PIE_OFF)
959COMPATIBLE_IOCTL(RTC_WIE_ON)
960COMPATIBLE_IOCTL(RTC_WIE_OFF)
961COMPATIBLE_IOCTL(RTC_ALM_SET)
962COMPATIBLE_IOCTL(RTC_ALM_READ)
963COMPATIBLE_IOCTL(RTC_RD_TIME)
964COMPATIBLE_IOCTL(RTC_SET_TIME)
965COMPATIBLE_IOCTL(RTC_WKALM_SET)
966COMPATIBLE_IOCTL(RTC_WKALM_RD)
967/*
968 * These two are only for the sbus rtc driver, but
969 * hwclock tries them on every rtc device first when
970 * running on sparc. On other architectures the entries
971 * are useless but harmless.
972 */
973COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
974COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
975/* Little m */
976COMPATIBLE_IOCTL(MTIOCTOP)
977/* Socket level stuff */
978COMPATIBLE_IOCTL(FIOQSIZE)
Randy Dunlap3c3622d2008-07-16 08:52:00 -0500979#ifdef CONFIG_BLOCK
Arnd Bergmannf79f1182010-02-10 16:14:04 +0100980/* md calls this on random blockdevs */
981IGNORE_IOCTL(RAID_VERSION)
Johannes Stezenbach390192b2011-07-01 22:32:26 +0200982/* qemu/qemu-img might call these two on plain files for probing */
983IGNORE_IOCTL(CDROM_DRIVE_STATUS)
984IGNORE_IOCTL(FDGETPRM32)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700985/* SG stuff */
986COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
987COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
988COMPATIBLE_IOCTL(SG_EMULATED_HOST)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700989COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
990COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
991COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
992COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
993COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
994COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
995COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
996COMPATIBLE_IOCTL(SG_GET_PACK_ID)
997COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
998COMPATIBLE_IOCTL(SG_SET_DEBUG)
999COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
1000COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
1001COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
1002COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
1003COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
1004COMPATIBLE_IOCTL(SG_SCSI_RESET)
1005COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
1006COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
1007COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001008#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001009/* PPP stuff */
1010COMPATIBLE_IOCTL(PPPIOCGFLAGS)
1011COMPATIBLE_IOCTL(PPPIOCSFLAGS)
1012COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
1013COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
1014COMPATIBLE_IOCTL(PPPIOCGUNIT)
1015COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
1016COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
1017COMPATIBLE_IOCTL(PPPIOCGMRU)
1018COMPATIBLE_IOCTL(PPPIOCSMRU)
1019COMPATIBLE_IOCTL(PPPIOCSMAXCID)
1020COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1021COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1022COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1023/* PPPIOCSCOMPRESS is translated */
1024COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1025COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1026COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1027COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1028/* PPPIOCSPASS is translated */
1029/* PPPIOCSACTIVE is translated */
1030/* PPPIOCGIDLE is translated */
1031COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1032COMPATIBLE_IOCTL(PPPIOCATTACH)
1033COMPATIBLE_IOCTL(PPPIOCDETACH)
1034COMPATIBLE_IOCTL(PPPIOCSMRRU)
1035COMPATIBLE_IOCTL(PPPIOCCONNECT)
1036COMPATIBLE_IOCTL(PPPIOCDISCONN)
1037COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1038COMPATIBLE_IOCTL(PPPIOCGCHAN)
Florian Westphal8bab6f12011-08-06 12:12:04 +00001039COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001040/* PPPOX */
1041COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1042COMPATIBLE_IOCTL(PPPOEIOCDFWD)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001043/* Big A */
1044/* sparc only */
1045/* Big Q for sound/OSS */
1046COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1047COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1048COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1049COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1050COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1051COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1052COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1053COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1054COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1055COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1056COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1057COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1058COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1059COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1060COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1061COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1062COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1063COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1064COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1065COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1066COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1067COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1068/* Big T for sound/OSS */
1069COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1070COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1071COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1072COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1073COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1074COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1075COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1076COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1077/* Little m for sound/OSS */
1078COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1079COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1080COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1081/* Big P for sound/OSS */
1082COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1083COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1084COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1085COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1086COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1087COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1088COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1089COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1090COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1091COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1092COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1093COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1094COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1095COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1096COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1097COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1098COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1099COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1100COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1101COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1102/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1103/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1104COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1105COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1106COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1107COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1108COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1109COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1110COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1111COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1112/* Big C for sound/OSS */
1113COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1114COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1115COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1116COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1117COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1118COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1119COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1120COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1121COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1122COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1123/* Big M for sound/OSS */
1124COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1125COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1126COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1127COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1128COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1129COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1130COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1131COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1132COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1133COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1134COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1135COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1136COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1137COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1138COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1139COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1140COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1141COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1142COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1143COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1144COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1145COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1146COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1147COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1148COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1149COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1150/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1151/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1152COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1153COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1154COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1155COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1156COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1157COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1158COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1159COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1160COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1161COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1162COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1163COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1164COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1165COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1166COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1167COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1168COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1169COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1170COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1171COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1172COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1173COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1174COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1175COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1176COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1177COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1178COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1179COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1180COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1181COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1182COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1183/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1184/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1185COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1186COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1187COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1188COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1189COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1190COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1191COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1192COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1193COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1194COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1195COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1196COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1197COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1198COMPATIBLE_IOCTL(OSS_GETVERSION)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001199/* Raw devices */
1200COMPATIBLE_IOCTL(RAW_SETBIND)
1201COMPATIBLE_IOCTL(RAW_GETBIND)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001202/* Watchdog */
1203COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1204COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1205COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1206COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1207COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1208COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1209COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1210COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1211/* Big R */
1212COMPATIBLE_IOCTL(RNDGETENTCNT)
1213COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1214COMPATIBLE_IOCTL(RNDGETPOOL)
1215COMPATIBLE_IOCTL(RNDADDENTROPY)
1216COMPATIBLE_IOCTL(RNDZAPENTCNT)
1217COMPATIBLE_IOCTL(RNDCLEARPOOL)
1218/* Bluetooth */
1219COMPATIBLE_IOCTL(HCIDEVUP)
1220COMPATIBLE_IOCTL(HCIDEVDOWN)
1221COMPATIBLE_IOCTL(HCIDEVRESET)
1222COMPATIBLE_IOCTL(HCIDEVRESTAT)
1223COMPATIBLE_IOCTL(HCIGETDEVLIST)
1224COMPATIBLE_IOCTL(HCIGETDEVINFO)
1225COMPATIBLE_IOCTL(HCIGETCONNLIST)
1226COMPATIBLE_IOCTL(HCIGETCONNINFO)
Marcel Holtmann40be4922008-07-14 20:13:50 +02001227COMPATIBLE_IOCTL(HCIGETAUTHINFO)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001228COMPATIBLE_IOCTL(HCISETRAW)
1229COMPATIBLE_IOCTL(HCISETSCAN)
1230COMPATIBLE_IOCTL(HCISETAUTH)
1231COMPATIBLE_IOCTL(HCISETENCRYPT)
1232COMPATIBLE_IOCTL(HCISETPTYPE)
1233COMPATIBLE_IOCTL(HCISETLINKPOL)
1234COMPATIBLE_IOCTL(HCISETLINKMODE)
1235COMPATIBLE_IOCTL(HCISETACLMTU)
1236COMPATIBLE_IOCTL(HCISETSCOMTU)
Johan Hedbergf0358562010-05-18 13:20:32 +02001237COMPATIBLE_IOCTL(HCIBLOCKADDR)
1238COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001239COMPATIBLE_IOCTL(HCIINQUIRY)
1240COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1241COMPATIBLE_IOCTL(HCIUARTGETPROTO)
Marcel Holtmannd10d34a2016-01-25 08:44:03 +01001242COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
1243COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
1244COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001245COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1246COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1247COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1248COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1249COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1250COMPATIBLE_IOCTL(BNEPCONNADD)
1251COMPATIBLE_IOCTL(BNEPCONNDEL)
1252COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1253COMPATIBLE_IOCTL(BNEPGETCONNINFO)
Grzegorz Kolodziejczyk0477e2e2015-04-03 12:14:53 +02001254COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001255COMPATIBLE_IOCTL(CMTPCONNADD)
1256COMPATIBLE_IOCTL(CMTPCONNDEL)
1257COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1258COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1259COMPATIBLE_IOCTL(HIDPCONNADD)
1260COMPATIBLE_IOCTL(HIDPCONNDEL)
1261COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1262COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1263/* CAPI */
1264COMPATIBLE_IOCTL(CAPI_REGISTER)
1265COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1266COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1267COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1268COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1269COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1270COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1271COMPATIBLE_IOCTL(CAPI_INSTALLED)
1272COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1273COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1274COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1275COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1276COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1277/* Siemens Gigaset */
1278COMPATIBLE_IOCTL(GIGASET_REDIR)
1279COMPATIBLE_IOCTL(GIGASET_CONFIG)
1280COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1281COMPATIBLE_IOCTL(GIGASET_VERSION)
1282/* Misc. */
1283COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1284COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1285COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1286COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1287COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1288COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001289/* i2c */
1290COMPATIBLE_IOCTL(I2C_SLAVE)
1291COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1292COMPATIBLE_IOCTL(I2C_TENBIT)
1293COMPATIBLE_IOCTL(I2C_PEC)
1294COMPATIBLE_IOCTL(I2C_RETRIES)
1295COMPATIBLE_IOCTL(I2C_TIMEOUT)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001296/* hiddev */
1297COMPATIBLE_IOCTL(HIDIOCGVERSION)
1298COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1299COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1300COMPATIBLE_IOCTL(HIDIOCGSTRING)
1301COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1302COMPATIBLE_IOCTL(HIDIOCGREPORT)
1303COMPATIBLE_IOCTL(HIDIOCSREPORT)
1304COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1305COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1306COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1307COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1308COMPATIBLE_IOCTL(HIDIOCGUCODE)
1309COMPATIBLE_IOCTL(HIDIOCGFLAG)
1310COMPATIBLE_IOCTL(HIDIOCSFLAG)
1311COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1312COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1313/* dvb */
1314COMPATIBLE_IOCTL(AUDIO_STOP)
1315COMPATIBLE_IOCTL(AUDIO_PLAY)
1316COMPATIBLE_IOCTL(AUDIO_PAUSE)
1317COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1318COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1319COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1320COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1321COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1322COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1323COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1324COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1325COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1326COMPATIBLE_IOCTL(AUDIO_SET_ID)
1327COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1328COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1329COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1330COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1331COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1332COMPATIBLE_IOCTL(DMX_START)
1333COMPATIBLE_IOCTL(DMX_STOP)
1334COMPATIBLE_IOCTL(DMX_SET_FILTER)
1335COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1336COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1337COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1338COMPATIBLE_IOCTL(DMX_GET_CAPS)
1339COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1340COMPATIBLE_IOCTL(DMX_GET_STC)
1341COMPATIBLE_IOCTL(FE_GET_INFO)
1342COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1343COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1344COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1345COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1346COMPATIBLE_IOCTL(FE_SET_TONE)
1347COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1348COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1349COMPATIBLE_IOCTL(FE_READ_STATUS)
1350COMPATIBLE_IOCTL(FE_READ_BER)
1351COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1352COMPATIBLE_IOCTL(FE_READ_SNR)
1353COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1354COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1355COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1356COMPATIBLE_IOCTL(FE_GET_EVENT)
1357COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1358COMPATIBLE_IOCTL(VIDEO_STOP)
1359COMPATIBLE_IOCTL(VIDEO_PLAY)
1360COMPATIBLE_IOCTL(VIDEO_FREEZE)
1361COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1362COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1363COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1364COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1365COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1366COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1367COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1368COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1369COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1370COMPATIBLE_IOCTL(VIDEO_SET_ID)
1371COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1372COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1373COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1374COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1375COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1376COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1377COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1378COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1379COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1380
Akos Maroy3fee37c2008-01-06 11:15:55 +01001381/* joystick */
1382COMPATIBLE_IOCTL(JSIOCGVERSION)
1383COMPATIBLE_IOCTL(JSIOCGAXES)
1384COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1385COMPATIBLE_IOCTL(JSIOCGNAME(0))
1386
Christoph Hellwig9c0cbd52005-10-30 15:01:41 -08001387#ifdef TIOCGLTC
1388COMPATIBLE_IOCTL(TIOCGLTC)
1389COMPATIBLE_IOCTL(TIOCSLTC)
1390#endif
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001391#ifdef TIOCSTART
1392/*
Adam Buchbinder6070d812009-12-04 15:47:01 -05001393 * For these two we have definitions in ioctls.h and/or termios.h on
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001394 * some architectures but no actual implemention. Some applications
1395 * like bash call them if they are defined in the headers, so we provide
1396 * entries here to avoid syslog message spew.
1397 */
1398COMPATIBLE_IOCTL(TIOCSTART)
1399COMPATIBLE_IOCTL(TIOCSTOP)
1400#endif
Andi Kleenc6b44d12006-01-12 01:05:26 -08001401
Andi Kleen2724b6d2007-05-02 19:27:21 +02001402/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1403 but we don't want warnings on other file systems. So declare
1404 them as compatible here. */
1405#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1406#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1407
1408IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1409IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
Geert Uytterhoeven98701dc2007-07-15 23:42:01 -07001410
David S. Miller81639042007-07-29 00:50:42 -07001411#ifdef CONFIG_SPARC
1412/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1413IGNORE_IOCTL(FBIOGTYPE)
1414IGNORE_IOCTL(FBIOSATTR)
1415IGNORE_IOCTL(FBIOGATTR)
1416IGNORE_IOCTL(FBIOSVIDEO)
1417IGNORE_IOCTL(FBIOGVIDEO)
1418IGNORE_IOCTL(FBIOSCURPOS)
1419IGNORE_IOCTL(FBIOGCURPOS)
1420IGNORE_IOCTL(FBIOGCURMAX)
1421IGNORE_IOCTL(FBIOPUTCMAP32)
1422IGNORE_IOCTL(FBIOGETCMAP32)
1423IGNORE_IOCTL(FBIOSCURSOR32)
1424IGNORE_IOCTL(FBIOGCURSOR32)
1425#endif
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -08001426};
David S. Miller6e87abd2005-11-16 00:52:57 -08001427
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001428/*
1429 * Convert common ioctl arguments based on their command number
1430 *
1431 * Please do not add any code in here. Instead, implement
1432 * a compat_ioctl operation in the place that handleѕ the
1433 * ioctl for the native case.
1434 */
Al Viro66cf1912016-01-07 09:53:30 -05001435static long do_ioctl_trans(unsigned int cmd,
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001436 unsigned long arg, struct file *file)
1437{
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001438 void __user *argp = compat_ptr(arg);
1439
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001440 switch (cmd) {
1441 case PPPIOCGIDLE32:
Al Viro66cf1912016-01-07 09:53:30 -05001442 return ppp_gidle(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001443 case PPPIOCSCOMPRESS32:
Al Viro66cf1912016-01-07 09:53:30 -05001444 return ppp_scompress(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001445 case PPPIOCSPASS32:
1446 case PPPIOCSACTIVE32:
Al Viro66cf1912016-01-07 09:53:30 -05001447 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001448#ifdef CONFIG_BLOCK
1449 case SG_IO:
Al Viro66cf1912016-01-07 09:53:30 -05001450 return sg_ioctl_trans(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001451 case SG_GET_REQUEST_TABLE:
Al Viro66cf1912016-01-07 09:53:30 -05001452 return sg_grt_trans(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001453 case MTIOCGET32:
1454 case MTIOCPOS32:
Al Viro66cf1912016-01-07 09:53:30 -05001455 return mt_ioctl_trans(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001456#endif
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001457 /* Serial */
1458 case TIOCGSERIAL:
1459 case TIOCSSERIAL:
Al Viro66cf1912016-01-07 09:53:30 -05001460 return serial_struct_ioctl(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001461 /* i2c */
1462 case I2C_FUNCS:
Al Viro66cf1912016-01-07 09:53:30 -05001463 return w_long(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001464 case I2C_RDWR:
Al Viro66cf1912016-01-07 09:53:30 -05001465 return do_i2c_rdwr_ioctl(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001466 case I2C_SMBUS:
Al Viro66cf1912016-01-07 09:53:30 -05001467 return do_i2c_smbus_ioctl(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001468 /* Not implemented in the native kernel */
1469 case RTC_IRQP_READ32:
1470 case RTC_IRQP_SET32:
1471 case RTC_EPOCH_READ32:
1472 case RTC_EPOCH_SET32:
Al Viro66cf1912016-01-07 09:53:30 -05001473 return rtc_ioctl(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001474
1475 /* dvb */
1476 case VIDEO_GET_EVENT:
Al Viro66cf1912016-01-07 09:53:30 -05001477 return do_video_get_event(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001478 case VIDEO_STILLPICTURE:
Al Viro66cf1912016-01-07 09:53:30 -05001479 return do_video_stillpicture(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001480 case VIDEO_SET_SPU_PALETTE:
Al Viro66cf1912016-01-07 09:53:30 -05001481 return do_video_set_spu_palette(file, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001482 }
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001483
1484 /*
1485 * These take an integer instead of a pointer as 'arg',
1486 * so we must not do a compat_ptr() translation.
1487 */
1488 switch (cmd) {
1489 /* Big T */
1490 case TCSBRKP:
1491 case TIOCMIWAIT:
1492 case TIOCSCTTY:
1493 /* RAID */
1494 case HOT_REMOVE_DISK:
1495 case HOT_ADD_DISK:
1496 case SET_DISK_FAULTY:
1497 case SET_BITMAP_FILE:
1498 /* Big K */
1499 case KDSIGACCEPT:
1500 case KIOCSOUND:
1501 case KDMKTONE:
1502 case KDSETMODE:
1503 case KDSKBMODE:
1504 case KDSKBMETA:
1505 case KDSKBLED:
1506 case KDSETLED:
Al Viro66cf1912016-01-07 09:53:30 -05001507 return vfs_ioctl(file, cmd, arg);
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001508 }
1509
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001510 return -ENOIOCTLCMD;
1511}
1512
Arnd Bergmann661f6272009-11-05 19:52:55 +01001513static int compat_ioctl_check_table(unsigned int xcmd)
1514{
1515 int i;
1516 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1517
1518 BUILD_BUG_ON(max >= (1 << 16));
1519
1520 /* guess initial offset into table, assuming a
1521 normalized distribution */
1522 i = ((xcmd >> 16) * max) >> 16;
1523
1524 /* do linear search up first, until greater or equal */
1525 while (ioctl_pointer[i] < xcmd && i < max)
1526 i++;
1527
1528 /* then do linear search down */
1529 while (ioctl_pointer[i] > xcmd && i > 0)
1530 i--;
1531
1532 return ioctl_pointer[i] == xcmd;
1533}
1534
Heiko Carstens932602e2014-03-04 16:07:52 +01001535COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1536 compat_ulong_t, arg32)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001537{
Heiko Carstens932602e2014-03-04 16:07:52 +01001538 unsigned long arg = arg32;
Al Viro2903ff02012-08-28 12:52:22 -04001539 struct fd f = fdget(fd);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001540 int error = -EBADF;
Al Viro2903ff02012-08-28 12:52:22 -04001541 if (!f.file)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001542 goto out;
1543
1544 /* RED-PEN how should LSM module know it's handling 32bit? */
Al Viro2903ff02012-08-28 12:52:22 -04001545 error = security_file_ioctl(f.file, cmd, arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001546 if (error)
1547 goto out_fput;
1548
1549 /*
1550 * To allow the compat_ioctl handlers to be self contained
1551 * we need to check the common ioctls here first.
1552 * Just handle them with the standard handlers below.
1553 */
1554 switch (cmd) {
1555 case FIOCLEX:
1556 case FIONCLEX:
1557 case FIONBIO:
1558 case FIOASYNC:
1559 case FIOQSIZE:
1560 break;
1561
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001562#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1563 case FS_IOC_RESVSP_32:
1564 case FS_IOC_RESVSP64_32:
Al Viro2903ff02012-08-28 12:52:22 -04001565 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001566 goto out_fput;
1567#else
1568 case FS_IOC_RESVSP:
1569 case FS_IOC_RESVSP64:
Al Viro2903ff02012-08-28 12:52:22 -04001570 error = ioctl_preallocate(f.file, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001571 goto out_fput;
1572#endif
1573
Darrick J. Wongd79bdd52015-12-19 00:55:52 -08001574 case FICLONE:
1575 case FICLONERANGE:
Darrick J. Wong54dbc152015-12-19 00:55:59 -08001576 case FIDEDUPERANGE:
Darrick J. Wongd79bdd52015-12-19 00:55:52 -08001577 goto do_ioctl;
1578
Christoph Hellwig6272e262007-05-08 00:29:21 -07001579 case FIBMAP:
1580 case FIGETBSZ:
1581 case FIONREAD:
Al Viro496ad9a2013-01-23 17:07:38 -05001582 if (S_ISREG(file_inode(f.file)->i_mode))
Christoph Hellwig6272e262007-05-08 00:29:21 -07001583 break;
1584 /*FALL THROUGH*/
1585
1586 default:
Al Viro72c2d532013-09-22 16:27:52 -04001587 if (f.file->f_op->compat_ioctl) {
Al Viro2903ff02012-08-28 12:52:22 -04001588 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001589 if (error != -ENOIOCTLCMD)
1590 goto out_fput;
1591 }
1592
Al Viro72c2d532013-09-22 16:27:52 -04001593 if (!f.file->f_op->unlocked_ioctl)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001594 goto do_ioctl;
1595 break;
1596 }
1597
Arnd Bergmann661f6272009-11-05 19:52:55 +01001598 if (compat_ioctl_check_table(XFORM(cmd)))
1599 goto found_handler;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001600
Al Viro66cf1912016-01-07 09:53:30 -05001601 error = do_ioctl_trans(cmd, arg, f.file);
Linus Torvalds07d106d2012-01-05 15:40:12 -08001602 if (error == -ENOIOCTLCMD)
1603 error = -ENOTTY;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001604
1605 goto out_fput;
1606
1607 found_handler:
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001608 arg = (unsigned long)compat_ptr(arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001609 do_ioctl:
Al Viro2903ff02012-08-28 12:52:22 -04001610 error = do_vfs_ioctl(f.file, fd, cmd, arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001611 out_fput:
Al Viro2903ff02012-08-28 12:52:22 -04001612 fdput(f);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001613 out:
1614 return error;
1615}
1616
Arnd Bergmann661f6272009-11-05 19:52:55 +01001617static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001618{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001619 unsigned int a, b;
1620 a = *(unsigned int *)p;
1621 b = *(unsigned int *)q;
1622 if (a > b)
1623 return 1;
1624 if (a < b)
1625 return -1;
1626 return 0;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001627}
1628
1629static int __init init_sys32_ioctl(void)
1630{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001631 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1632 init_sys32_ioctl_cmp, NULL);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001633 return 0;
1634}
1635__initcall(init_sys32_ioctl);