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