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nfsd: Use correct credential for NFSv4.0 callback with GSS
[linux-2.6-block.git] / fs / compat_ioctl.c
CommitLineData
b2441318 1// SPDX-License-Identifier: GPL-2.0
1da177e4
LT		 2/*
3 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
4 *
5 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
6 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
7 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs
a2531293 8 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
1da177e4
LT		 9 *
10 * These routines maintain argument size conversion between 32bit and 64bit
11 * ioctls.
12 */
13
3fee37c1
AM		 14#include <linux/joystick.h>
15
1da177e4
LT		 16#include <linux/types.h>
17#include <linux/compat.h>
18#include <linux/kernel.h>
16f7e0fe 19#include <linux/capability.h>
1da177e4
LT		 20#include <linux/compiler.h>
21#include <linux/sched.h>
22#include <linux/smp.h>
1da177e4
LT		 23#include <linux/ioctl.h>
24#include <linux/if.h>
25#include <linux/if_bridge.h>
bff61975 26#include <linux/raid/md_u.h>
1da177e4 27#include <linux/kd.h>
1da177e4
LT		 28#include <linux/route.h>
29#include <linux/in6.h>
30#include <linux/ipv6_route.h>
31#include <linux/skbuff.h>
32#include <linux/netlink.h>
33#include <linux/vt.h>
3e63cbb1 34#include <linux/falloc.h>
1da177e4
LT		 35#include <linux/fs.h>
36#include <linux/file.h>
1da177e4 37#include <linux/ppp_defs.h>
4b32da2b 38#include <linux/ppp-ioctl.h>
1da177e4
LT		 39#include <linux/if_pppox.h>
40#include <linux/mtio.h>
1da177e4
LT		 41#include <linux/tty.h>
42#include <linux/vt_kern.h>
43#include <linux/fb.h>
88ae7624 44#include <linux/videodev2.h>
1da177e4
LT		 45#include <linux/netdevice.h>
46#include <linux/raw.h>
1da177e4
LT		 47#include <linux/blkdev.h>
48#include <linux/elevator.h>
49#include <linux/rtc.h>
50#include <linux/pci.h>
1da177e4 51#include <linux/serial.h>
1da177e4
LT		 52#include <linux/if_tun.h>
53#include <linux/ctype.h>
1da177e4 54#include <linux/syscalls.h>
1da177e4 55#include <linux/atalk.h>
5a0e3ad6 56#include <linux/gfp.h>
594edf39 57#include <linux/cec.h>
1da177e4 58
66cf191f
AV		 59#include "internal.h"
60
1da177e4 61#include <net/bluetooth/bluetooth.h>
f49daa81 62#include <net/bluetooth/hci_sock.h>
1da177e4
LT		 63#include <net/bluetooth/rfcomm.h>
64
65#include <linux/capi.h>
5024ad4a 66#include <linux/gigaset_dev.h>
1da177e4 67
3c3622dc 68#ifdef CONFIG_BLOCK
390192b3
JS		 69#include <linux/cdrom.h>
70#include <linux/fd.h>
1da177e4 71#include <scsi/scsi.h>
1da177e4 72#include <scsi/scsi_ioctl.h>
1da177e4 73#include <scsi/sg.h>
3c3622dc 74#endif
1da177e4 75
7c0f6ba6 76#include <linux/uaccess.h>
1da177e4
LT		 77#include <linux/ethtool.h>
78#include <linux/mii.h>
79#include <linux/if_bonding.h>
80#include <linux/watchdog.h>
1da177e4 81
1da177e4
LT		 82#include <linux/soundcard.h>
83#include <linux/lp.h>
84#include <linux/ppdev.h>
85
86#include <linux/atm.h>
87#include <linux/atmarp.h>
88#include <linux/atmclip.h>
89#include <linux/atmdev.h>
90#include <linux/atmioc.h>
91#include <linux/atmlec.h>
92#include <linux/atmmpc.h>
93#include <linux/atmsvc.h>
94#include <linux/atm_tcp.h>
95#include <linux/sonet.h>
96#include <linux/atm_suni.h>
1da177e4
LT		 97
98#include <linux/usb.h>
99#include <linux/usbdevice_fs.h>
100#include <linux/nbd.h>
101#include <linux/random.h>
102#include <linux/filter.h>
1da177e4
LT		 103
104#include <linux/hiddev.h>
105
e97a5d89 106#define __DVB_CORE__
6e87abd0
DM		 107#include <linux/dvb/audio.h>
108#include <linux/dvb/dmx.h>
109#include <linux/dvb/frontend.h>
110#include <linux/dvb/video.h>
111
661f627d
AB		 112#include <linux/sort.h>
113
8163904e
DM		 114#ifdef CONFIG_SPARC
115#include <asm/fbio.h>
116#endif
117
a7f61e89
JH		 118#define convert_in_user(srcptr, dstptr) \
119({ \
120 typeof(*srcptr) val; \
121 \
122 get_user(val, srcptr) || put_user(val, dstptr); \
123})
124
66cf191f 125static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
b4341721
JH		 126{
127 int err;
128
129 err = security_file_ioctl(file, cmd, arg);
130 if (err)
131 return err;
132
66cf191f 133 return vfs_ioctl(file, cmd, arg);
b4341721
JH		 134}
135
6e87abd0
DM		 136struct compat_video_event {
137 int32_t type;
138 compat_time_t timestamp;
139 union {
140 video_size_t size;
141 unsigned int frame_rate;
142 } u;
143};
144
66cf191f 145static int do_video_get_event(struct file *file,
b4341721 146 unsigned int cmd, struct compat_video_event __user *up)
6e87abd0 147{
a7f61e89
JH		 148 struct video_event __user *kevent =
149 compat_alloc_user_space(sizeof(*kevent));
6e87abd0
DM		 150 int err;
151
a7f61e89
JH		 152 if (kevent == NULL)
153 return -EFAULT;
6e87abd0 154
a7f61e89 155 err = do_ioctl(file, cmd, (unsigned long)kevent);
6e87abd0 156 if (!err) {
a7f61e89
JH		 157 err = convert_in_user(&kevent->type, &up->type);
158 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
159 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
160 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
161 err |= convert_in_user(&kevent->u.size.aspect_ratio,
6e87abd0
DM		 162 &up->u.size.aspect_ratio);
163 if (err)
164 err = -EFAULT;
165 }
166
167 return err;
168}
169
170struct compat_video_still_picture {
171 compat_uptr_t iFrame;
172 int32_t size;
173};
174
66cf191f 175static int do_video_stillpicture(struct file *file,
b4341721 176 unsigned int cmd, struct compat_video_still_picture __user *up)
6e87abd0 177{
6e87abd0
DM		 178 struct video_still_picture __user *up_native;
179 compat_uptr_t fp;
180 int32_t size;
181 int err;
182
6e87abd0
DM		 183 err = get_user(fp, &up->iFrame);
184 err |= get_user(size, &up->size);
185 if (err)
186 return -EFAULT;
187
188 up_native =
189 compat_alloc_user_space(sizeof(struct video_still_picture));
190
7116e994
HC		 191 err = put_user(compat_ptr(fp), &up_native->iFrame);
192 err |= put_user(size, &up_native->size);
193 if (err)
194 return -EFAULT;
6e87abd0 195
66cf191f 196 err = do_ioctl(file, cmd, (unsigned long) up_native);
6e87abd0
DM		 197
198 return err;
199}
200
201struct compat_video_spu_palette {
202 int length;
203 compat_uptr_t palette;
204};
205
66cf191f 206static int do_video_set_spu_palette(struct file *file,
b4341721 207 unsigned int cmd, struct compat_video_spu_palette __user *up)
6e87abd0 208{
6e87abd0
DM		 209 struct video_spu_palette __user *up_native;
210 compat_uptr_t palp;
211 int length, err;
212
6e87abd0
DM		 213 err = get_user(palp, &up->palette);
214 err |= get_user(length, &up->length);
12176503
KC		 215 if (err)
216 return -EFAULT;
6e87abd0
DM		 217
218 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
7116e994
HC		 219 err = put_user(compat_ptr(palp), &up_native->palette);
220 err |= put_user(length, &up_native->length);
221 if (err)
222 return -EFAULT;
6e87abd0 223
66cf191f 224 err = do_ioctl(file, cmd, (unsigned long) up_native);
6e87abd0
DM		 225
226 return err;
227}
228
9361401e 229#ifdef CONFIG_BLOCK
1da177e4
LT		 230typedef struct sg_io_hdr32 {
231 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
232 compat_int_t dxfer_direction; /* [i] data transfer direction */
233 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
234 unsigned char mx_sb_len; /* [i] max length to write to sbp */
235 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
236 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
237 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
238 or scatter gather list */
239 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
240 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
241 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
242 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
243 compat_int_t pack_id; /* [i->o] unused internally (normally) */
244 compat_uptr_t usr_ptr; /* [i->o] unused internally */
245 unsigned char status; /* [o] scsi status */
246 unsigned char masked_status; /* [o] shifted, masked scsi status */
247 unsigned char msg_status; /* [o] messaging level data (optional) */
248 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
249 unsigned short host_status; /* [o] errors from host adapter */
250 unsigned short driver_status; /* [o] errors from software driver */
251 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
252 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
253 compat_uint_t info; /* [o] auxiliary information */
254} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
255
256typedef struct sg_iovec32 {
257 compat_uint_t iov_base;
258 compat_uint_t iov_len;
259} sg_iovec32_t;
260
261static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
262{
263 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
264 sg_iovec32_t __user *iov32 = dxferp;
265 int i;
266
267 for (i = 0; i < iovec_count; i++) {
268 u32 base, len;
269
270 if (get_user(base, &iov32[i].iov_base) ||
271 get_user(len, &iov32[i].iov_len) ||
272 put_user(compat_ptr(base), &iov[i].iov_base) ||
273 put_user(len, &iov[i].iov_len))
274 return -EFAULT;
275 }
276
277 if (put_user(iov, &sgio->dxferp))
278 return -EFAULT;
279 return 0;
280}
281
66cf191f 282static int sg_ioctl_trans(struct file *file, unsigned int cmd,
43c6e7b9 283 sg_io_hdr32_t __user *sgio32)
1da177e4
LT		 284{
285 sg_io_hdr_t __user *sgio;
1da177e4
LT		 286 u16 iovec_count;
287 u32 data;
288 void __user *dxferp;
289 int err;
84eb8fb4
FT		 290 int interface_id;
291
292 if (get_user(interface_id, &sgio32->interface_id))
293 return -EFAULT;
294 if (interface_id != 'S')
66cf191f 295 return do_ioctl(file, cmd, (unsigned long)sgio32);
1da177e4 296
1da177e4
LT		 297 if (get_user(iovec_count, &sgio32->iovec_count))
298 return -EFAULT;
299
300 {
301 void __user *top = compat_alloc_user_space(0);
302 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
303 (iovec_count * sizeof(sg_iovec_t)));
304 if (new > top)
305 return -EINVAL;
306
307 sgio = new;
308 }
309
310 /* Ok, now construct. */
311 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
312 (2 * sizeof(int)) +
313 (2 * sizeof(unsigned char)) +
314 (1 * sizeof(unsigned short)) +
315 (1 * sizeof(unsigned int))))
316 return -EFAULT;
317
318 if (get_user(data, &sgio32->dxferp))
319 return -EFAULT;
320 dxferp = compat_ptr(data);
321 if (iovec_count) {
322 if (sg_build_iovec(sgio, dxferp, iovec_count))
323 return -EFAULT;
324 } else {
325 if (put_user(dxferp, &sgio->dxferp))
326 return -EFAULT;
327 }
328
329 {
330 unsigned char __user *cmdp;
331 unsigned char __user *sbp;
332
333 if (get_user(data, &sgio32->cmdp))
334 return -EFAULT;
335 cmdp = compat_ptr(data);
336
337 if (get_user(data, &sgio32->sbp))
338 return -EFAULT;
339 sbp = compat_ptr(data);
340
341 if (put_user(cmdp, &sgio->cmdp) ||
342 put_user(sbp, &sgio->sbp))
343 return -EFAULT;
344 }
345
346 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
347 3 * sizeof(int)))
348 return -EFAULT;
349
350 if (get_user(data, &sgio32->usr_ptr))
351 return -EFAULT;
352 if (put_user(compat_ptr(data), &sgio->usr_ptr))
353 return -EFAULT;
354
66cf191f 355 err = do_ioctl(file, cmd, (unsigned long) sgio);
1da177e4
LT		 356
357 if (err >= 0) {
358 void __user *datap;
359
360 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
361 sizeof(int)) ||
362 get_user(datap, &sgio->usr_ptr) ||
363 put_user((u32)(unsigned long)datap,
364 &sgio32->usr_ptr) ||
365 copy_in_user(&sgio32->status, &sgio->status,
366 (4 * sizeof(unsigned char)) +
367 (2 * sizeof(unsigned short)) +
368 (3 * sizeof(int))))
369 err = -EFAULT;
370 }
371
372 return err;
373}
374
2966387b
AK		 375struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
376 char req_state;
377 char orphan;
378 char sg_io_owned;
379 char problem;
380 int pack_id;
381 compat_uptr_t usr_ptr;
382 unsigned int duration;
383 int unused;
384};
385
66cf191f 386static int sg_grt_trans(struct file *file,
b4341721 387 unsigned int cmd, struct compat_sg_req_info __user *o)
2966387b
AK		 388{
389 int err, i;
6b2b4e5a 390 sg_req_info_t __user *r;
2966387b 391 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
66cf191f 392 err = do_ioctl(file, cmd, (unsigned long)r);
2966387b
AK		 393 if (err < 0)
394 return err;
395 for (i = 0; i < SG_MAX_QUEUE; i++) {
396 void __user *ptr;
397 int d;
398
399 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
400 get_user(ptr, &r[i].usr_ptr) ||
401 get_user(d, &r[i].duration) ||
402 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
403 put_user(d, &o[i].duration))
404 return -EFAULT;
405 }
406 return err;
407}
9361401e 408#endif /* CONFIG_BLOCK */
2966387b 409
1da177e4
LT		 410struct sock_fprog32 {
411 unsigned short len;
412 compat_caddr_t filter;
413};
414
415#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
416#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
417
66cf191f 418static int ppp_sock_fprog_ioctl_trans(struct file *file,
b4341721 419 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
1da177e4 420{
1da177e4
LT		 421 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
422 void __user *fptr64;
423 u32 fptr32;
424 u16 flen;
425
426 if (get_user(flen, &u_fprog32->len) ||
427 get_user(fptr32, &u_fprog32->filter))
428 return -EFAULT;
429
430 fptr64 = compat_ptr(fptr32);
431
432 if (put_user(flen, &u_fprog64->len) ||
433 put_user(fptr64, &u_fprog64->filter))
434 return -EFAULT;
435
436 if (cmd == PPPIOCSPASS32)
437 cmd = PPPIOCSPASS;
438 else
439 cmd = PPPIOCSACTIVE;
440
66cf191f 441 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
1da177e4
LT		 442}
443
444struct ppp_option_data32 {
445 compat_caddr_t ptr;
446 u32 length;
447 compat_int_t transmit;
448};
449#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
450
451struct ppp_idle32 {
452 compat_time_t xmit_idle;
453 compat_time_t recv_idle;
454};
455#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
456
66cf191f 457static int ppp_gidle(struct file *file, unsigned int cmd,
43c6e7b9 458 struct ppp_idle32 __user *idle32)
1da177e4
LT		 459{
460 struct ppp_idle __user *idle;
1da177e4
LT		 461 __kernel_time_t xmit, recv;
462 int err;
463
464 idle = compat_alloc_user_space(sizeof(*idle));
1da177e4 465
66cf191f 466 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
1da177e4
LT		 467
468 if (!err) {
469 if (get_user(xmit, &idle->xmit_idle) ||
470 get_user(recv, &idle->recv_idle) ||
471 put_user(xmit, &idle32->xmit_idle) ||
472 put_user(recv, &idle32->recv_idle))
473 err = -EFAULT;
474 }
475 return err;
476}
477
66cf191f 478static int ppp_scompress(struct file *file, unsigned int cmd,
43c6e7b9 479 struct ppp_option_data32 __user *odata32)
1da177e4
LT		 480{
481 struct ppp_option_data __user *odata;
1da177e4
LT		 482 __u32 data;
483 void __user *datap;
484
485 odata = compat_alloc_user_space(sizeof(*odata));
1da177e4
LT		 486
487 if (get_user(data, &odata32->ptr))
488 return -EFAULT;
489
490 datap = compat_ptr(data);
491 if (put_user(datap, &odata->ptr))
492 return -EFAULT;
493
494 if (copy_in_user(&odata->length, &odata32->length,
495 sizeof(__u32) + sizeof(int)))
496 return -EFAULT;
497
66cf191f 498 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
1da177e4
LT		 499}
500
9361401e 501#ifdef CONFIG_BLOCK
1da177e4
LT		 502struct mtget32 {
503 compat_long_t mt_type;
504 compat_long_t mt_resid;
505 compat_long_t mt_dsreg;
506 compat_long_t mt_gstat;
507 compat_long_t mt_erreg;
508 compat_daddr_t mt_fileno;
509 compat_daddr_t mt_blkno;
510};
511#define MTIOCGET32 _IOR('m', 2, struct mtget32)
512
513struct mtpos32 {
514 compat_long_t mt_blkno;
515};
516#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
517
66cf191f 518static int mt_ioctl_trans(struct file *file,
b4341721 519 unsigned int cmd, void __user *argp)
1da177e4 520{
a7f61e89
JH		 521 /* NULL initialization to make gcc shut up */
522 struct mtget __user *get = NULL;
1da177e4 523 struct mtget32 __user *umget32;
a7f61e89 524 struct mtpos __user *pos = NULL;
1da177e4
LT		 525 struct mtpos32 __user *upos32;
526 unsigned long kcmd;
527 void *karg;
528 int err = 0;
529
530 switch(cmd) {
531 case MTIOCPOS32:
532 kcmd = MTIOCPOS;
a7f61e89
JH		 533 pos = compat_alloc_user_space(sizeof(*pos));
534 karg = pos;
1da177e4 535 break;
45bf5cd7 536 default: /* MTIOCGET32 */
1da177e4 537 kcmd = MTIOCGET;
a7f61e89
JH		 538 get = compat_alloc_user_space(sizeof(*get));
539 karg = get;
1da177e4 540 break;
1da177e4 541 }
a7f61e89
JH		 542 if (karg == NULL)
543 return -EFAULT;
66cf191f 544 err = do_ioctl(file, kcmd, (unsigned long)karg);
1da177e4
LT		 545 if (err)
546 return err;
547 switch (cmd) {
548 case MTIOCPOS32:
43c6e7b9 549 upos32 = argp;
a7f61e89 550 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
1da177e4
LT		 551 break;
552 case MTIOCGET32:
43c6e7b9 553 umget32 = argp;
a7f61e89
JH		 554 err = convert_in_user(&get->mt_type, &umget32->mt_type);
555 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
556 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
557 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
558 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
559 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
560 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
1da177e4
LT		 561 break;
562 }
563 return err ? -EFAULT: 0;
564}
565
9361401e 566#endif /* CONFIG_BLOCK */
1da177e4 567
1da177e4 568/* Bluetooth ioctls */
2cdf096f
JH		 569#define HCIUARTSETPROTO _IOW('U', 200, int)
570#define HCIUARTGETPROTO _IOR('U', 201, int)
571#define HCIUARTGETDEVICE _IOR('U', 202, int)
63c7d09c
JH		 572#define HCIUARTSETFLAGS _IOW('U', 203, int)
573#define HCIUARTGETFLAGS _IOR('U', 204, int)
1da177e4
LT		 574
575#define BNEPCONNADD _IOW('B', 200, int)
576#define BNEPCONNDEL _IOW('B', 201, int)
577#define BNEPGETCONNLIST _IOR('B', 210, int)
578#define BNEPGETCONNINFO _IOR('B', 211, int)
0477e2e8 579#define BNEPGETSUPPFEAT _IOR('B', 212, int)
1da177e4
LT		 580
581#define CMTPCONNADD _IOW('C', 200, int)
582#define CMTPCONNDEL _IOW('C', 201, int)
583#define CMTPGETCONNLIST _IOR('C', 210, int)
584#define CMTPGETCONNINFO _IOR('C', 211, int)
585
586#define HIDPCONNADD _IOW('H', 200, int)
587#define HIDPCONNDEL _IOW('H', 201, int)
588#define HIDPGETCONNLIST _IOR('H', 210, int)
589#define HIDPGETCONNINFO _IOR('H', 211, int)
590
1da177e4
LT		 591
592struct serial_struct32 {
593 compat_int_t type;
594 compat_int_t line;
595 compat_uint_t port;
596 compat_int_t irq;
597 compat_int_t flags;
598 compat_int_t xmit_fifo_size;
599 compat_int_t custom_divisor;
600 compat_int_t baud_base;
601 unsigned short close_delay;
602 char io_type;
603 char reserved_char[1];
604 compat_int_t hub6;
605 unsigned short closing_wait; /* time to wait before closing */
606 unsigned short closing_wait2; /* no longer used... */
607 compat_uint_t iomem_base;
608 unsigned short iomem_reg_shift;
609 unsigned int port_high;
610 /* compat_ulong_t iomap_base FIXME */
611 compat_int_t reserved[1];
612};
613
66cf191f 614static int serial_struct_ioctl(struct file *file,
b4341721 615 unsigned cmd, struct serial_struct32 __user *ss32)
1da177e4 616{
1da177e4 617 typedef struct serial_struct32 SS32;
1da177e4 618 int err;
a7f61e89 619 struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
1da177e4 620 __u32 udata;
7116e994 621 unsigned int base;
a7f61e89 622 unsigned char *iomem_base;
1da177e4 623
a7f61e89
JH		 624 if (ss == NULL)
625 return -EFAULT;
1da177e4 626 if (cmd == TIOCSSERIAL) {
a7f61e89
JH		 627 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
628 get_user(udata, &ss32->iomem_base))
1da177e4 629 return -EFAULT;
a7f61e89
JH		 630 iomem_base = compat_ptr(udata);
631 if (put_user(iomem_base, &ss->iomem_base) ||
632 convert_in_user(&ss32->iomem_reg_shift,
633 &ss->iomem_reg_shift) ||
634 convert_in_user(&ss32->port_high, &ss->port_high) ||
635 put_user(0UL, &ss->iomap_base))
7116e994 636 return -EFAULT;
1da177e4 637 }
a7f61e89 638 err = do_ioctl(file, cmd, (unsigned long)ss);
1da177e4 639 if (cmd == TIOCGSERIAL && err >= 0) {
a7f61e89
JH		 640 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
641 get_user(iomem_base, &ss->iomem_base))
1da177e4 642 return -EFAULT;
a7f61e89
JH		 643 base = (unsigned long)iomem_base >> 32 ?
644 0xffffffff : (unsigned)(unsigned long)iomem_base;
645 if (put_user(base, &ss32->iomem_base) ||
646 convert_in_user(&ss->iomem_reg_shift,
647 &ss32->iomem_reg_shift) ||
648 convert_in_user(&ss->port_high, &ss32->port_high))
7116e994 649 return -EFAULT;
1da177e4
LT		 650 }
651 return err;
652}
653
ec3cad96
CH		 654#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
655#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
656#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
657#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
658
66cf191f 659static int rtc_ioctl(struct file *file,
b4341721 660 unsigned cmd, void __user *argp)
ec3cad96 661{
a7f61e89 662 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
ec3cad96
CH		 663 int ret;
664
a7f61e89
JH		 665 if (valp == NULL)
666 return -EFAULT;
ec3cad96
CH		 667 switch (cmd) {
668 case RTC_IRQP_READ32:
669 case RTC_EPOCH_READ32:
66cf191f 670 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
ec3cad96 671 RTC_IRQP_READ : RTC_EPOCH_READ,
a7f61e89 672 (unsigned long)valp);
ec3cad96
CH		 673 if (ret)
674 return ret;
a7f61e89 675 return convert_in_user(valp, (unsigned int __user *)argp);
ec3cad96 676 case RTC_IRQP_SET32:
66cf191f 677 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
ec3cad96 678 case RTC_EPOCH_SET32:
66cf191f 679 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
ec3cad96 680 }
43c6e7b9
AB		 681
682 return -ENOIOCTLCMD;
ec3cad96
CH		 683}
684
3e63cbb1
AJ		 685/* on ia32 l_start is on a 32-bit boundary */
686#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
687struct space_resv_32 {
688 __s16 l_type;
689 __s16 l_whence;
690 __s64 l_start __attribute__((packed));
691 /* len == 0 means until end of file */
692 __s64 l_len __attribute__((packed));
693 __s32 l_sysid;
694 __u32 l_pid;
695 __s32 l_pad[4]; /* reserve area */
696};
697
698#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
699#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
700
701/* just account for different alignment */
43c6e7b9
AB		 702static int compat_ioctl_preallocate(struct file *file,
703 struct space_resv_32 __user *p32)
3e63cbb1 704{
3e63cbb1
AJ		 705 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
706
707 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
708 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
709 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
710 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
711 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
712 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
713 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
714 return -EFAULT;
715
716 return ioctl_preallocate(file, p);
717}
718#endif
719
661f627d
AB		 720/*
721 * simple reversible transform to make our table more evenly
722 * distributed after sorting.
723 */
724#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
6272e266 725
9280cdd6 726#define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
421f0281
AK		 727/* ioctl should not be warned about even if it's not implemented.
728 Valid reasons to use this:
729 - It is implemented with ->compat_ioctl on some device, but programs
730 call it on others too.
731 - The ioctl is not implemented in the native kernel, but programs
732 call it commonly anyways.
733 Most other reasons are not valid. */
734#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
e6a6d2ef 735
661f627d 736static unsigned int ioctl_pointer[] = {
644fd4f5
CH		 737/* compatible ioctls first */
738COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
739COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
740
741/* Big T */
742COMPATIBLE_IOCTL(TCGETA)
743COMPATIBLE_IOCTL(TCSETA)
744COMPATIBLE_IOCTL(TCSETAW)
745COMPATIBLE_IOCTL(TCSETAF)
746COMPATIBLE_IOCTL(TCSBRK)
644fd4f5
CH		 747COMPATIBLE_IOCTL(TCXONC)
748COMPATIBLE_IOCTL(TCFLSH)
749COMPATIBLE_IOCTL(TCGETS)
750COMPATIBLE_IOCTL(TCSETS)
751COMPATIBLE_IOCTL(TCSETSW)
752COMPATIBLE_IOCTL(TCSETSF)
753COMPATIBLE_IOCTL(TIOCLINUX)
754COMPATIBLE_IOCTL(TIOCSBRK)
b7b8de08 755COMPATIBLE_IOCTL(TIOCGDEV)
644fd4f5 756COMPATIBLE_IOCTL(TIOCCBRK)
4cfbafd3 757COMPATIBLE_IOCTL(TIOCGSID)
644fd4f5 758COMPATIBLE_IOCTL(TIOCGICOUNT)
c6298038 759COMPATIBLE_IOCTL(TIOCGEXCL)
644fd4f5
CH		 760/* Little t */
761COMPATIBLE_IOCTL(TIOCGETD)
762COMPATIBLE_IOCTL(TIOCSETD)
763COMPATIBLE_IOCTL(TIOCEXCL)
764COMPATIBLE_IOCTL(TIOCNXCL)
765COMPATIBLE_IOCTL(TIOCCONS)
766COMPATIBLE_IOCTL(TIOCGSOFTCAR)
767COMPATIBLE_IOCTL(TIOCSSOFTCAR)
768COMPATIBLE_IOCTL(TIOCSWINSZ)
769COMPATIBLE_IOCTL(TIOCGWINSZ)
770COMPATIBLE_IOCTL(TIOCMGET)
771COMPATIBLE_IOCTL(TIOCMBIC)
772COMPATIBLE_IOCTL(TIOCMBIS)
773COMPATIBLE_IOCTL(TIOCMSET)
644fd4f5
CH		 774COMPATIBLE_IOCTL(TIOCNOTTY)
775COMPATIBLE_IOCTL(TIOCSTI)
776COMPATIBLE_IOCTL(TIOCOUTQ)
777COMPATIBLE_IOCTL(TIOCSPGRP)
778COMPATIBLE_IOCTL(TIOCGPGRP)
644fd4f5 779COMPATIBLE_IOCTL(TIOCSERGETLSR)
142e5460 780#ifdef TIOCSRS485
84c3b848 781COMPATIBLE_IOCTL(TIOCSRS485)
142e5460
JA		 782#endif
783#ifdef TIOCGRS485
84c3b848 784COMPATIBLE_IOCTL(TIOCGRS485)
142e5460 785#endif
81257def
HC		 786#ifdef TCGETS2
787COMPATIBLE_IOCTL(TCGETS2)
788COMPATIBLE_IOCTL(TCSETS2)
789COMPATIBLE_IOCTL(TCSETSW2)
790COMPATIBLE_IOCTL(TCSETSF2)
791#endif
644fd4f5
CH		 792/* Little f */
793COMPATIBLE_IOCTL(FIOCLEX)
794COMPATIBLE_IOCTL(FIONCLEX)
795COMPATIBLE_IOCTL(FIOASYNC)
796COMPATIBLE_IOCTL(FIONBIO)
797COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
69130c7c 798COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
644fd4f5
CH		 799/* 0x00 */
800COMPATIBLE_IOCTL(FIBMAP)
801COMPATIBLE_IOCTL(FIGETBSZ)
5cf8cf41
CH		 802/* 'X' - originally XFS but some now in the VFS */
803COMPATIBLE_IOCTL(FIFREEZE)
804COMPATIBLE_IOCTL(FITHAW)
9abea2d6 805COMPATIBLE_IOCTL(FITRIM)
644fd4f5
CH		 806COMPATIBLE_IOCTL(KDGETKEYCODE)
807COMPATIBLE_IOCTL(KDSETKEYCODE)
644fd4f5 808COMPATIBLE_IOCTL(KDGKBTYPE)
644fd4f5 809COMPATIBLE_IOCTL(KDGETMODE)
644fd4f5 810COMPATIBLE_IOCTL(KDGKBMODE)
644fd4f5
CH		 811COMPATIBLE_IOCTL(KDGKBMETA)
812COMPATIBLE_IOCTL(KDGKBENT)
813COMPATIBLE_IOCTL(KDSKBENT)
814COMPATIBLE_IOCTL(KDGKBSENT)
815COMPATIBLE_IOCTL(KDSKBSENT)
816COMPATIBLE_IOCTL(KDGKBDIACR)
817COMPATIBLE_IOCTL(KDSKBDIACR)
caaa357d
MS		 818COMPATIBLE_IOCTL(KDGKBDIACRUC)
819COMPATIBLE_IOCTL(KDSKBDIACRUC)
644fd4f5
CH		 820COMPATIBLE_IOCTL(KDKBDREP)
821COMPATIBLE_IOCTL(KDGKBLED)
644fd4f5 822COMPATIBLE_IOCTL(KDGETLED)
3c3622dc 823#ifdef CONFIG_BLOCK
644fd4f5
CH		 824/* Big S */
825COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
826COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
827COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
828COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
829COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
830COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
831COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
832COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
3c3622dc 833#endif
3f001711
AN		 834/* Big V (don't complain on serial console) */
835IGNORE_IOCTL(VT_OPENQRY)
836IGNORE_IOCTL(VT_GETMODE)
644fd4f5
CH		 837/* Little p (/dev/rtc, /dev/envctrl, etc.) */
838COMPATIBLE_IOCTL(RTC_AIE_ON)
839COMPATIBLE_IOCTL(RTC_AIE_OFF)
840COMPATIBLE_IOCTL(RTC_UIE_ON)
841COMPATIBLE_IOCTL(RTC_UIE_OFF)
842COMPATIBLE_IOCTL(RTC_PIE_ON)
843COMPATIBLE_IOCTL(RTC_PIE_OFF)
844COMPATIBLE_IOCTL(RTC_WIE_ON)
845COMPATIBLE_IOCTL(RTC_WIE_OFF)
846COMPATIBLE_IOCTL(RTC_ALM_SET)
847COMPATIBLE_IOCTL(RTC_ALM_READ)
848COMPATIBLE_IOCTL(RTC_RD_TIME)
849COMPATIBLE_IOCTL(RTC_SET_TIME)
850COMPATIBLE_IOCTL(RTC_WKALM_SET)
851COMPATIBLE_IOCTL(RTC_WKALM_RD)
852/*
853 * These two are only for the sbus rtc driver, but
854 * hwclock tries them on every rtc device first when
855 * running on sparc. On other architectures the entries
856 * are useless but harmless.
857 */
858COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
859COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
860/* Little m */
861COMPATIBLE_IOCTL(MTIOCTOP)
862/* Socket level stuff */
863COMPATIBLE_IOCTL(FIOQSIZE)
3c3622dc 864#ifdef CONFIG_BLOCK
f79f1185
AB		 865/* md calls this on random blockdevs */
866IGNORE_IOCTL(RAID_VERSION)
390192b3
JS		 867/* qemu/qemu-img might call these two on plain files for probing */
868IGNORE_IOCTL(CDROM_DRIVE_STATUS)
869IGNORE_IOCTL(FDGETPRM32)
644fd4f5
CH		 870/* SG stuff */
871COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
872COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
873COMPATIBLE_IOCTL(SG_EMULATED_HOST)
644fd4f5
CH		 874COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
875COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
876COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
877COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
878COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
879COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
880COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
881COMPATIBLE_IOCTL(SG_GET_PACK_ID)
882COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
883COMPATIBLE_IOCTL(SG_SET_DEBUG)
884COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
885COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
886COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
887COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
888COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
889COMPATIBLE_IOCTL(SG_SCSI_RESET)
890COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
891COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
892COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
3c3622dc 893#endif
644fd4f5
CH		 894/* PPP stuff */
895COMPATIBLE_IOCTL(PPPIOCGFLAGS)
896COMPATIBLE_IOCTL(PPPIOCSFLAGS)
897COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
898COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
899COMPATIBLE_IOCTL(PPPIOCGUNIT)
900COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
901COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
902COMPATIBLE_IOCTL(PPPIOCGMRU)
903COMPATIBLE_IOCTL(PPPIOCSMRU)
904COMPATIBLE_IOCTL(PPPIOCSMAXCID)
905COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
906COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
907COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
908/* PPPIOCSCOMPRESS is translated */
909COMPATIBLE_IOCTL(PPPIOCGNPMODE)
910COMPATIBLE_IOCTL(PPPIOCSNPMODE)
911COMPATIBLE_IOCTL(PPPIOCGDEBUG)
912COMPATIBLE_IOCTL(PPPIOCSDEBUG)
913/* PPPIOCSPASS is translated */
914/* PPPIOCSACTIVE is translated */
915/* PPPIOCGIDLE is translated */
916COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
917COMPATIBLE_IOCTL(PPPIOCATTACH)
918COMPATIBLE_IOCTL(PPPIOCDETACH)
919COMPATIBLE_IOCTL(PPPIOCSMRRU)
920COMPATIBLE_IOCTL(PPPIOCCONNECT)
921COMPATIBLE_IOCTL(PPPIOCDISCONN)
922COMPATIBLE_IOCTL(PPPIOCATTCHAN)
923COMPATIBLE_IOCTL(PPPIOCGCHAN)
8bab6f14 924COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
644fd4f5
CH		 925/* PPPOX */
926COMPATIBLE_IOCTL(PPPOEIOCSFWD)
927COMPATIBLE_IOCTL(PPPOEIOCDFWD)
644fd4f5
CH		 928/* Big A */
929/* sparc only */
930/* Big Q for sound/OSS */
931COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
932COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
933COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
934COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
935COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
936COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
937COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
938COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
939COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
940COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
941COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
942COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
943COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
944COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
945COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
946COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
947COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
948COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
949COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
950COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
951COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
952COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
953/* Big T for sound/OSS */
954COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
955COMPATIBLE_IOCTL(SNDCTL_TMR_START)
956COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
957COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
958COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
959COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
960COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
961COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
962/* Little m for sound/OSS */
963COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
964COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
965COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
966/* Big P for sound/OSS */
967COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
968COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
969COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
970COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
971COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
972COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
973COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
974COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
975COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
976COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
977COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
978COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
979COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
980COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
981COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
982COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
983COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
984COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
985COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
986COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
987/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
988/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
989COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
990COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
991COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
992COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
993COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
994COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
995COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
996COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
997/* Big C for sound/OSS */
998COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
999COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1000COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1001COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1002COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1003COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1004COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1005COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1006COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1007COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1008/* Big M for sound/OSS */
1009COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1010COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1011COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1012COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1013COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1014COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1015COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1016COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1017COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1018COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1019COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1020COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1021COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1022COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1023COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1024COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1025COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1026COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1027COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1028COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1029COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1030COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1031COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1032COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1033COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1034COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1035/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1036/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1037COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1038COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1039COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1040COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1041COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1042COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1043COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1044COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1045COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1046COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1047COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1048COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1049COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1050COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1051COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1052COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1053COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1054COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1055COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1056COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1057COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1058COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1059COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1060COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1061COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1062COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1063COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1064COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1065COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1066COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1067COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1068/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1069/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1070COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1071COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1072COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1073COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1074COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1075COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1076COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1077COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1078COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1079COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1080COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1081COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1082COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1083COMPATIBLE_IOCTL(OSS_GETVERSION)
644fd4f5
CH		 1084/* Raw devices */
1085COMPATIBLE_IOCTL(RAW_SETBIND)
1086COMPATIBLE_IOCTL(RAW_GETBIND)
644fd4f5
CH		 1087/* Watchdog */
1088COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1089COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1090COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1091COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1092COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1093COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1094COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1095COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
97beb3ae
WS		 1096COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
1097COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
644fd4f5
CH		 1098/* Big R */
1099COMPATIBLE_IOCTL(RNDGETENTCNT)
1100COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1101COMPATIBLE_IOCTL(RNDGETPOOL)
1102COMPATIBLE_IOCTL(RNDADDENTROPY)
1103COMPATIBLE_IOCTL(RNDZAPENTCNT)
1104COMPATIBLE_IOCTL(RNDCLEARPOOL)
1105/* Bluetooth */
1106COMPATIBLE_IOCTL(HCIDEVUP)
1107COMPATIBLE_IOCTL(HCIDEVDOWN)
1108COMPATIBLE_IOCTL(HCIDEVRESET)
1109COMPATIBLE_IOCTL(HCIDEVRESTAT)
1110COMPATIBLE_IOCTL(HCIGETDEVLIST)
1111COMPATIBLE_IOCTL(HCIGETDEVINFO)
1112COMPATIBLE_IOCTL(HCIGETCONNLIST)
1113COMPATIBLE_IOCTL(HCIGETCONNINFO)
40be492f 1114COMPATIBLE_IOCTL(HCIGETAUTHINFO)
644fd4f5
CH		 1115COMPATIBLE_IOCTL(HCISETRAW)
1116COMPATIBLE_IOCTL(HCISETSCAN)
1117COMPATIBLE_IOCTL(HCISETAUTH)
1118COMPATIBLE_IOCTL(HCISETENCRYPT)
1119COMPATIBLE_IOCTL(HCISETPTYPE)
1120COMPATIBLE_IOCTL(HCISETLINKPOL)
1121COMPATIBLE_IOCTL(HCISETLINKMODE)
1122COMPATIBLE_IOCTL(HCISETACLMTU)
1123COMPATIBLE_IOCTL(HCISETSCOMTU)
f0358568
JH		 1124COMPATIBLE_IOCTL(HCIBLOCKADDR)
1125COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
644fd4f5
CH		 1126COMPATIBLE_IOCTL(HCIINQUIRY)
1127COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1128COMPATIBLE_IOCTL(HCIUARTGETPROTO)
d10d34aa
MH		 1129COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
1130COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
1131COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
644fd4f5
CH		 1132COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1133COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1134COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1135COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1136COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1137COMPATIBLE_IOCTL(BNEPCONNADD)
1138COMPATIBLE_IOCTL(BNEPCONNDEL)
1139COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1140COMPATIBLE_IOCTL(BNEPGETCONNINFO)
0477e2e8 1141COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
644fd4f5
CH		 1142COMPATIBLE_IOCTL(CMTPCONNADD)
1143COMPATIBLE_IOCTL(CMTPCONNDEL)
1144COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1145COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1146COMPATIBLE_IOCTL(HIDPCONNADD)
1147COMPATIBLE_IOCTL(HIDPCONNDEL)
1148COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1149COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1150/* CAPI */
1151COMPATIBLE_IOCTL(CAPI_REGISTER)
1152COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1153COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1154COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1155COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1156COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1157COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1158COMPATIBLE_IOCTL(CAPI_INSTALLED)
1159COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1160COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1161COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1162COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1163COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1164/* Siemens Gigaset */
1165COMPATIBLE_IOCTL(GIGASET_REDIR)
1166COMPATIBLE_IOCTL(GIGASET_CONFIG)
1167COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1168COMPATIBLE_IOCTL(GIGASET_VERSION)
1169/* Misc. */
1170COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1171COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1172COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1173COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1174COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1175COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
644fd4f5
CH		 1176/* hiddev */
1177COMPATIBLE_IOCTL(HIDIOCGVERSION)
1178COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1179COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1180COMPATIBLE_IOCTL(HIDIOCGSTRING)
1181COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1182COMPATIBLE_IOCTL(HIDIOCGREPORT)
1183COMPATIBLE_IOCTL(HIDIOCSREPORT)
1184COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1185COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1186COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1187COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1188COMPATIBLE_IOCTL(HIDIOCGUCODE)
1189COMPATIBLE_IOCTL(HIDIOCGFLAG)
1190COMPATIBLE_IOCTL(HIDIOCSFLAG)
1191COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1192COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1193/* dvb */
1194COMPATIBLE_IOCTL(AUDIO_STOP)
1195COMPATIBLE_IOCTL(AUDIO_PLAY)
1196COMPATIBLE_IOCTL(AUDIO_PAUSE)
1197COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1198COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1199COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1200COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1201COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1202COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1203COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1204COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1205COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1206COMPATIBLE_IOCTL(AUDIO_SET_ID)
1207COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1208COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1209COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1210COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1211COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1212COMPATIBLE_IOCTL(DMX_START)
1213COMPATIBLE_IOCTL(DMX_STOP)
1214COMPATIBLE_IOCTL(DMX_SET_FILTER)
1215COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1216COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1217COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
644fd4f5 1218COMPATIBLE_IOCTL(DMX_GET_STC)
651d6666
MCC		 1219COMPATIBLE_IOCTL(DMX_REQBUFS)
1220COMPATIBLE_IOCTL(DMX_QUERYBUF)
1221COMPATIBLE_IOCTL(DMX_EXPBUF)
1222COMPATIBLE_IOCTL(DMX_QBUF)
1223COMPATIBLE_IOCTL(DMX_DQBUF)
644fd4f5
CH		 1224COMPATIBLE_IOCTL(VIDEO_STOP)
1225COMPATIBLE_IOCTL(VIDEO_PLAY)
1226COMPATIBLE_IOCTL(VIDEO_FREEZE)
1227COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1228COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1229COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1230COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1231COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1232COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1233COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1234COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1235COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1236COMPATIBLE_IOCTL(VIDEO_SET_ID)
1237COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1238COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1239COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1240COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1241COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1242COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1243COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1244COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1245COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
594edf39
HV		 1246/* cec */
1247COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
1248COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
1249COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
1250COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
1251COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
1252COMPATIBLE_IOCTL(CEC_G_MODE)
1253COMPATIBLE_IOCTL(CEC_S_MODE)
1254COMPATIBLE_IOCTL(CEC_TRANSMIT)
1255COMPATIBLE_IOCTL(CEC_RECEIVE)
1256COMPATIBLE_IOCTL(CEC_DQEVENT)
644fd4f5 1257
3fee37c1
AM		 1258/* joystick */
1259COMPATIBLE_IOCTL(JSIOCGVERSION)
1260COMPATIBLE_IOCTL(JSIOCGAXES)
1261COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1262COMPATIBLE_IOCTL(JSIOCGNAME(0))
1263
9c0cbd54
CH		 1264#ifdef TIOCGLTC
1265COMPATIBLE_IOCTL(TIOCGLTC)
1266COMPATIBLE_IOCTL(TIOCSLTC)
1267#endif
7a81e316
CH		 1268#ifdef TIOCSTART
1269/*
6070d81e 1270 * For these two we have definitions in ioctls.h and/or termios.h on
7a81e316
CH		 1271 * some architectures but no actual implemention. Some applications
1272 * like bash call them if they are defined in the headers, so we provide
1273 * entries here to avoid syslog message spew.
1274 */
1275COMPATIBLE_IOCTL(TIOCSTART)
1276COMPATIBLE_IOCTL(TIOCSTOP)
1277#endif
c6b44d10 1278
2724b6db
AK		 1279/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1280 but we don't want warnings on other file systems. So declare
1281 them as compatible here. */
1282#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1283#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1284
1285IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1286IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
98701dc1 1287
8163904e
DM		 1288#ifdef CONFIG_SPARC
1289/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1290IGNORE_IOCTL(FBIOGTYPE)
1291IGNORE_IOCTL(FBIOSATTR)
1292IGNORE_IOCTL(FBIOGATTR)
1293IGNORE_IOCTL(FBIOSVIDEO)
1294IGNORE_IOCTL(FBIOGVIDEO)
1295IGNORE_IOCTL(FBIOSCURPOS)
1296IGNORE_IOCTL(FBIOGCURPOS)
1297IGNORE_IOCTL(FBIOGCURMAX)
1298IGNORE_IOCTL(FBIOPUTCMAP32)
1299IGNORE_IOCTL(FBIOGETCMAP32)
1300IGNORE_IOCTL(FBIOSCURSOR32)
1301IGNORE_IOCTL(FBIOGCURSOR32)
1302#endif
e6a6d2ef 1303};
6e87abd0 1304
5a07ea0b
AB		 1305/*
1306 * Convert common ioctl arguments based on their command number
1307 *
1308 * Please do not add any code in here. Instead, implement
1309 * a compat_ioctl operation in the place that handleѕ the
1310 * ioctl for the native case.
1311 */
66cf191f 1312static long do_ioctl_trans(unsigned int cmd,
5a07ea0b
AB		 1313 unsigned long arg, struct file *file)
1314{
43c6e7b9
AB		 1315 void __user *argp = compat_ptr(arg);
1316
5a07ea0b
AB		 1317 switch (cmd) {
1318 case PPPIOCGIDLE32:
66cf191f 1319 return ppp_gidle(file, cmd, argp);
5a07ea0b 1320 case PPPIOCSCOMPRESS32:
66cf191f 1321 return ppp_scompress(file, cmd, argp);
5a07ea0b
AB		 1322 case PPPIOCSPASS32:
1323 case PPPIOCSACTIVE32:
66cf191f 1324 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
5a07ea0b
AB		 1325#ifdef CONFIG_BLOCK
1326 case SG_IO:
66cf191f 1327 return sg_ioctl_trans(file, cmd, argp);
5a07ea0b 1328 case SG_GET_REQUEST_TABLE:
66cf191f 1329 return sg_grt_trans(file, cmd, argp);
5a07ea0b
AB		 1330 case MTIOCGET32:
1331 case MTIOCPOS32:
66cf191f 1332 return mt_ioctl_trans(file, cmd, argp);
5a07ea0b 1333#endif
5a07ea0b
AB		 1334 /* Serial */
1335 case TIOCGSERIAL:
1336 case TIOCSSERIAL:
66cf191f 1337 return serial_struct_ioctl(file, cmd, argp);
5a07ea0b
AB		 1338 /* Not implemented in the native kernel */
1339 case RTC_IRQP_READ32:
1340 case RTC_IRQP_SET32:
1341 case RTC_EPOCH_READ32:
1342 case RTC_EPOCH_SET32:
66cf191f 1343 return rtc_ioctl(file, cmd, argp);
5a07ea0b
AB		 1344
1345 /* dvb */
1346 case VIDEO_GET_EVENT:
66cf191f 1347 return do_video_get_event(file, cmd, argp);
5a07ea0b 1348 case VIDEO_STILLPICTURE:
66cf191f 1349 return do_video_stillpicture(file, cmd, argp);
5a07ea0b 1350 case VIDEO_SET_SPU_PALETTE:
66cf191f 1351 return do_video_set_spu_palette(file, cmd, argp);
5a07ea0b 1352 }
789f0f89
AB		 1353
1354 /*
1355 * These take an integer instead of a pointer as 'arg',
1356 * so we must not do a compat_ptr() translation.
1357 */
1358 switch (cmd) {
1359 /* Big T */
1360 case TCSBRKP:
1361 case TIOCMIWAIT:
1362 case TIOCSCTTY:
1363 /* RAID */
1364 case HOT_REMOVE_DISK:
1365 case HOT_ADD_DISK:
1366 case SET_DISK_FAULTY:
1367 case SET_BITMAP_FILE:
1368 /* Big K */
1369 case KDSIGACCEPT:
1370 case KIOCSOUND:
1371 case KDMKTONE:
1372 case KDSETMODE:
1373 case KDSKBMODE:
1374 case KDSKBMETA:
1375 case KDSKBLED:
1376 case KDSETLED:
66cf191f 1377 return vfs_ioctl(file, cmd, arg);
789f0f89
AB		 1378 }
1379
5a07ea0b
AB		 1380 return -ENOIOCTLCMD;
1381}
1382
661f627d
AB		 1383static int compat_ioctl_check_table(unsigned int xcmd)
1384{
1385 int i;
1386 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1387
1388 BUILD_BUG_ON(max >= (1 << 16));
1389
1390 /* guess initial offset into table, assuming a
1391 normalized distribution */
1392 i = ((xcmd >> 16) * max) >> 16;
1393
1394 /* do linear search up first, until greater or equal */
1395 while (ioctl_pointer[i] < xcmd && i < max)
1396 i++;
1397
1398 /* then do linear search down */
1399 while (ioctl_pointer[i] > xcmd && i > 0)
1400 i--;
1401
1402 return ioctl_pointer[i] == xcmd;
1403}
1404
932602e2
HC		 1405COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1406 compat_ulong_t, arg32)
6272e266 1407{
932602e2 1408 unsigned long arg = arg32;
2903ff01 1409 struct fd f = fdget(fd);
6272e266 1410 int error = -EBADF;
2903ff01 1411 if (!f.file)
6272e266
CH		 1412 goto out;
1413
1414 /* RED-PEN how should LSM module know it's handling 32bit? */
2903ff01 1415 error = security_file_ioctl(f.file, cmd, arg);
6272e266
CH		 1416 if (error)
1417 goto out_fput;
1418
1419 /*
1420 * To allow the compat_ioctl handlers to be self contained
1421 * we need to check the common ioctls here first.
1422 * Just handle them with the standard handlers below.
1423 */
1424 switch (cmd) {
1425 case FIOCLEX:
1426 case FIONCLEX:
1427 case FIONBIO:
1428 case FIOASYNC:
1429 case FIOQSIZE:
1430 break;
1431
3e63cbb1
AJ		 1432#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1433 case FS_IOC_RESVSP_32:
1434 case FS_IOC_RESVSP64_32:
2903ff01 1435 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
3e63cbb1
AJ		 1436 goto out_fput;
1437#else
1438 case FS_IOC_RESVSP:
1439 case FS_IOC_RESVSP64:
2903ff01 1440 error = ioctl_preallocate(f.file, compat_ptr(arg));
3e63cbb1
AJ		 1441 goto out_fput;
1442#endif
1443
d79bdd52
DW		 1444 case FICLONE:
1445 case FICLONERANGE:
54dbc151 1446 case FIDEDUPERANGE:
ceac204e 1447 case FS_IOC_FIEMAP:
d79bdd52
DW		 1448 goto do_ioctl;
1449
6272e266
CH		 1450 case FIBMAP:
1451 case FIGETBSZ:
1452 case FIONREAD:
496ad9aa 1453 if (S_ISREG(file_inode(f.file)->i_mode))
6272e266
CH		 1454 break;
1455 /*FALL THROUGH*/
1456
1457 default:
72c2d531 1458 if (f.file->f_op->compat_ioctl) {
2903ff01 1459 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
6272e266
CH		 1460 if (error != -ENOIOCTLCMD)
1461 goto out_fput;
1462 }
1463
72c2d531 1464 if (!f.file->f_op->unlocked_ioctl)
6272e266
CH		 1465 goto do_ioctl;
1466 break;
1467 }
1468
661f627d
AB		 1469 if (compat_ioctl_check_table(XFORM(cmd)))
1470 goto found_handler;
6272e266 1471
66cf191f 1472 error = do_ioctl_trans(cmd, arg, f.file);
07d106d0
LT		 1473 if (error == -ENOIOCTLCMD)
1474 error = -ENOTTY;
6272e266
CH		 1475
1476 goto out_fput;
1477
1478 found_handler:
789f0f89 1479 arg = (unsigned long)compat_ptr(arg);
6272e266 1480 do_ioctl:
2903ff01 1481 error = do_vfs_ioctl(f.file, fd, cmd, arg);
6272e266 1482 out_fput:
2903ff01 1483 fdput(f);
6272e266
CH		 1484 out:
1485 return error;
1486}
1487
661f627d 1488static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
6272e266 1489{
661f627d
AB		 1490 unsigned int a, b;
1491 a = *(unsigned int *)p;
1492 b = *(unsigned int *)q;
1493 if (a > b)
1494 return 1;
1495 if (a < b)
1496 return -1;
1497 return 0;
6272e266
CH		 1498}
1499
1500static int __init init_sys32_ioctl(void)
1501{
661f627d
AB		 1502 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1503 init_sys32_ioctl_cmp, NULL);
6272e266
CH		 1504 return 0;
1505}
1506__initcall(init_sys32_ioctl);
Linux 6.x block layer and io_uring tree(s)