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dcache: allocate external names from reclaimable kmalloc caches
[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>
bff61975 25#include <linux/raid/md_u.h>
3e63cbb1 26#include <linux/falloc.h>
1da177e4 27#include <linux/file.h>
4b32da2b 28#include <linux/ppp-ioctl.h>
1da177e4
LT		 29#include <linux/if_pppox.h>
30#include <linux/mtio.h>
1da177e4
LT		 31#include <linux/tty.h>
32#include <linux/vt_kern.h>
1da177e4 33#include <linux/raw.h>
1da177e4 34#include <linux/blkdev.h>
1da177e4
LT		 35#include <linux/rtc.h>
36#include <linux/pci.h>
1da177e4 37#include <linux/serial.h>
1da177e4 38#include <linux/ctype.h>
1da177e4 39#include <linux/syscalls.h>
5a0e3ad6 40#include <linux/gfp.h>
594edf39 41#include <linux/cec.h>
1da177e4 42
66cf191f
AV		 43#include "internal.h"
44
1da177e4 45#include <net/bluetooth/bluetooth.h>
f49daa81 46#include <net/bluetooth/hci_sock.h>
1da177e4
LT		 47#include <net/bluetooth/rfcomm.h>
48
49#include <linux/capi.h>
5024ad4a 50#include <linux/gigaset_dev.h>
1da177e4 51
3c3622dc 52#ifdef CONFIG_BLOCK
390192b3
JS		 53#include <linux/cdrom.h>
54#include <linux/fd.h>
1da177e4 55#include <scsi/scsi.h>
1da177e4 56#include <scsi/scsi_ioctl.h>
1da177e4 57#include <scsi/sg.h>
3c3622dc 58#endif
1da177e4 59
7c0f6ba6 60#include <linux/uaccess.h>
1da177e4 61#include <linux/watchdog.h>
1da177e4 62
1da177e4 63#include <linux/soundcard.h>
1da177e4
LT		 64
65#include <linux/hiddev.h>
66
e97a5d89 67#define __DVB_CORE__
6e87abd0
DM		 68#include <linux/dvb/audio.h>
69#include <linux/dvb/dmx.h>
70#include <linux/dvb/frontend.h>
71#include <linux/dvb/video.h>
72
661f627d
AB		 73#include <linux/sort.h>
74
8163904e 75#ifdef CONFIG_SPARC
0976d4e1 76#include <linux/fb.h>
8163904e
DM		 77#include <asm/fbio.h>
78#endif
79
a7f61e89
JH		 80#define convert_in_user(srcptr, dstptr) \
81({ \
82 typeof(*srcptr) val; \
83 \
84 get_user(val, srcptr) || put_user(val, dstptr); \
85})
86
66cf191f 87static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
b4341721
JH		 88{
89 int err;
90
91 err = security_file_ioctl(file, cmd, arg);
92 if (err)
93 return err;
94
66cf191f 95 return vfs_ioctl(file, cmd, arg);
b4341721
JH		 96}
97
6e87abd0
DM		 98struct compat_video_event {
99 int32_t type;
100 compat_time_t timestamp;
101 union {
102 video_size_t size;
103 unsigned int frame_rate;
104 } u;
105};
106
66cf191f 107static int do_video_get_event(struct file *file,
b4341721 108 unsigned int cmd, struct compat_video_event __user *up)
6e87abd0 109{
a7f61e89
JH		 110 struct video_event __user *kevent =
111 compat_alloc_user_space(sizeof(*kevent));
6e87abd0
DM		 112 int err;
113
a7f61e89
JH		 114 if (kevent == NULL)
115 return -EFAULT;
6e87abd0 116
a7f61e89 117 err = do_ioctl(file, cmd, (unsigned long)kevent);
6e87abd0 118 if (!err) {
a7f61e89
JH		 119 err = convert_in_user(&kevent->type, &up->type);
120 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
121 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
122 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
123 err |= convert_in_user(&kevent->u.size.aspect_ratio,
6e87abd0
DM		 124 &up->u.size.aspect_ratio);
125 if (err)
126 err = -EFAULT;
127 }
128
129 return err;
130}
131
132struct compat_video_still_picture {
133 compat_uptr_t iFrame;
134 int32_t size;
135};
136
66cf191f 137static int do_video_stillpicture(struct file *file,
b4341721 138 unsigned int cmd, struct compat_video_still_picture __user *up)
6e87abd0 139{
6e87abd0
DM		 140 struct video_still_picture __user *up_native;
141 compat_uptr_t fp;
142 int32_t size;
143 int err;
144
6e87abd0
DM		 145 err = get_user(fp, &up->iFrame);
146 err |= get_user(size, &up->size);
147 if (err)
148 return -EFAULT;
149
150 up_native =
151 compat_alloc_user_space(sizeof(struct video_still_picture));
152
7116e994
HC		 153 err = put_user(compat_ptr(fp), &up_native->iFrame);
154 err |= put_user(size, &up_native->size);
155 if (err)
156 return -EFAULT;
6e87abd0 157
66cf191f 158 err = do_ioctl(file, cmd, (unsigned long) up_native);
6e87abd0
DM		 159
160 return err;
161}
162
9361401e 163#ifdef CONFIG_BLOCK
1da177e4
LT		 164typedef struct sg_io_hdr32 {
165 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
166 compat_int_t dxfer_direction; /* [i] data transfer direction */
167 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
168 unsigned char mx_sb_len; /* [i] max length to write to sbp */
169 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
170 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
171 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
172 or scatter gather list */
173 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
174 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
175 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
176 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
177 compat_int_t pack_id; /* [i->o] unused internally (normally) */
178 compat_uptr_t usr_ptr; /* [i->o] unused internally */
179 unsigned char status; /* [o] scsi status */
180 unsigned char masked_status; /* [o] shifted, masked scsi status */
181 unsigned char msg_status; /* [o] messaging level data (optional) */
182 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
183 unsigned short host_status; /* [o] errors from host adapter */
184 unsigned short driver_status; /* [o] errors from software driver */
185 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
186 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
187 compat_uint_t info; /* [o] auxiliary information */
188} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
189
190typedef struct sg_iovec32 {
191 compat_uint_t iov_base;
192 compat_uint_t iov_len;
193} sg_iovec32_t;
194
195static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
196{
197 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
198 sg_iovec32_t __user *iov32 = dxferp;
199 int i;
200
201 for (i = 0; i < iovec_count; i++) {
202 u32 base, len;
203
204 if (get_user(base, &iov32[i].iov_base) ||
205 get_user(len, &iov32[i].iov_len) ||
206 put_user(compat_ptr(base), &iov[i].iov_base) ||
207 put_user(len, &iov[i].iov_len))
208 return -EFAULT;
209 }
210
211 if (put_user(iov, &sgio->dxferp))
212 return -EFAULT;
213 return 0;
214}
215
66cf191f 216static int sg_ioctl_trans(struct file *file, unsigned int cmd,
43c6e7b9 217 sg_io_hdr32_t __user *sgio32)
1da177e4
LT		 218{
219 sg_io_hdr_t __user *sgio;
1da177e4
LT		 220 u16 iovec_count;
221 u32 data;
222 void __user *dxferp;
223 int err;
84eb8fb4
FT		 224 int interface_id;
225
226 if (get_user(interface_id, &sgio32->interface_id))
227 return -EFAULT;
228 if (interface_id != 'S')
66cf191f 229 return do_ioctl(file, cmd, (unsigned long)sgio32);
1da177e4 230
1da177e4
LT		 231 if (get_user(iovec_count, &sgio32->iovec_count))
232 return -EFAULT;
233
234 {
235 void __user *top = compat_alloc_user_space(0);
236 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
237 (iovec_count * sizeof(sg_iovec_t)));
238 if (new > top)
239 return -EINVAL;
240
241 sgio = new;
242 }
243
244 /* Ok, now construct. */
245 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
246 (2 * sizeof(int)) +
247 (2 * sizeof(unsigned char)) +
248 (1 * sizeof(unsigned short)) +
249 (1 * sizeof(unsigned int))))
250 return -EFAULT;
251
252 if (get_user(data, &sgio32->dxferp))
253 return -EFAULT;
254 dxferp = compat_ptr(data);
255 if (iovec_count) {
256 if (sg_build_iovec(sgio, dxferp, iovec_count))
257 return -EFAULT;
258 } else {
259 if (put_user(dxferp, &sgio->dxferp))
260 return -EFAULT;
261 }
262
263 {
264 unsigned char __user *cmdp;
265 unsigned char __user *sbp;
266
267 if (get_user(data, &sgio32->cmdp))
268 return -EFAULT;
269 cmdp = compat_ptr(data);
270
271 if (get_user(data, &sgio32->sbp))
272 return -EFAULT;
273 sbp = compat_ptr(data);
274
275 if (put_user(cmdp, &sgio->cmdp) ||
276 put_user(sbp, &sgio->sbp))
277 return -EFAULT;
278 }
279
280 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
281 3 * sizeof(int)))
282 return -EFAULT;
283
284 if (get_user(data, &sgio32->usr_ptr))
285 return -EFAULT;
286 if (put_user(compat_ptr(data), &sgio->usr_ptr))
287 return -EFAULT;
288
66cf191f 289 err = do_ioctl(file, cmd, (unsigned long) sgio);
1da177e4
LT		 290
291 if (err >= 0) {
292 void __user *datap;
293
294 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
295 sizeof(int)) ||
296 get_user(datap, &sgio->usr_ptr) ||
297 put_user((u32)(unsigned long)datap,
298 &sgio32->usr_ptr) ||
299 copy_in_user(&sgio32->status, &sgio->status,
300 (4 * sizeof(unsigned char)) +
301 (2 * sizeof(unsigned short)) +
302 (3 * sizeof(int))))
303 err = -EFAULT;
304 }
305
306 return err;
307}
308
2966387b
AK		 309struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
310 char req_state;
311 char orphan;
312 char sg_io_owned;
313 char problem;
314 int pack_id;
315 compat_uptr_t usr_ptr;
316 unsigned int duration;
317 int unused;
318};
319
66cf191f 320static int sg_grt_trans(struct file *file,
b4341721 321 unsigned int cmd, struct compat_sg_req_info __user *o)
2966387b
AK		 322{
323 int err, i;
6b2b4e5a 324 sg_req_info_t __user *r;
2966387b 325 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
66cf191f 326 err = do_ioctl(file, cmd, (unsigned long)r);
2966387b
AK		 327 if (err < 0)
328 return err;
329 for (i = 0; i < SG_MAX_QUEUE; i++) {
330 void __user *ptr;
331 int d;
332
333 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
334 get_user(ptr, &r[i].usr_ptr) ||
335 get_user(d, &r[i].duration) ||
336 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
337 put_user(d, &o[i].duration))
338 return -EFAULT;
339 }
340 return err;
341}
9361401e 342#endif /* CONFIG_BLOCK */
2966387b 343
1da177e4
LT		 344struct sock_fprog32 {
345 unsigned short len;
346 compat_caddr_t filter;
347};
348
349#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
350#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
351
66cf191f 352static int ppp_sock_fprog_ioctl_trans(struct file *file,
b4341721 353 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
1da177e4 354{
1da177e4
LT		 355 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
356 void __user *fptr64;
357 u32 fptr32;
358 u16 flen;
359
360 if (get_user(flen, &u_fprog32->len) ||
361 get_user(fptr32, &u_fprog32->filter))
362 return -EFAULT;
363
364 fptr64 = compat_ptr(fptr32);
365
366 if (put_user(flen, &u_fprog64->len) ||
367 put_user(fptr64, &u_fprog64->filter))
368 return -EFAULT;
369
370 if (cmd == PPPIOCSPASS32)
371 cmd = PPPIOCSPASS;
372 else
373 cmd = PPPIOCSACTIVE;
374
66cf191f 375 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
1da177e4
LT		 376}
377
378struct ppp_option_data32 {
379 compat_caddr_t ptr;
380 u32 length;
381 compat_int_t transmit;
382};
383#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
384
385struct ppp_idle32 {
386 compat_time_t xmit_idle;
387 compat_time_t recv_idle;
388};
389#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
390
66cf191f 391static int ppp_gidle(struct file *file, unsigned int cmd,
43c6e7b9 392 struct ppp_idle32 __user *idle32)
1da177e4
LT		 393{
394 struct ppp_idle __user *idle;
1da177e4
LT		 395 __kernel_time_t xmit, recv;
396 int err;
397
398 idle = compat_alloc_user_space(sizeof(*idle));
1da177e4 399
66cf191f 400 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
1da177e4
LT		 401
402 if (!err) {
403 if (get_user(xmit, &idle->xmit_idle) ||
404 get_user(recv, &idle->recv_idle) ||
405 put_user(xmit, &idle32->xmit_idle) ||
406 put_user(recv, &idle32->recv_idle))
407 err = -EFAULT;
408 }
409 return err;
410}
411
66cf191f 412static int ppp_scompress(struct file *file, unsigned int cmd,
43c6e7b9 413 struct ppp_option_data32 __user *odata32)
1da177e4
LT		 414{
415 struct ppp_option_data __user *odata;
1da177e4
LT		 416 __u32 data;
417 void __user *datap;
418
419 odata = compat_alloc_user_space(sizeof(*odata));
1da177e4
LT		 420
421 if (get_user(data, &odata32->ptr))
422 return -EFAULT;
423
424 datap = compat_ptr(data);
425 if (put_user(datap, &odata->ptr))
426 return -EFAULT;
427
428 if (copy_in_user(&odata->length, &odata32->length,
429 sizeof(__u32) + sizeof(int)))
430 return -EFAULT;
431
66cf191f 432 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
1da177e4
LT		 433}
434
9361401e 435#ifdef CONFIG_BLOCK
1da177e4
LT		 436struct mtget32 {
437 compat_long_t mt_type;
438 compat_long_t mt_resid;
439 compat_long_t mt_dsreg;
440 compat_long_t mt_gstat;
441 compat_long_t mt_erreg;
442 compat_daddr_t mt_fileno;
443 compat_daddr_t mt_blkno;
444};
445#define MTIOCGET32 _IOR('m', 2, struct mtget32)
446
447struct mtpos32 {
448 compat_long_t mt_blkno;
449};
450#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
451
66cf191f 452static int mt_ioctl_trans(struct file *file,
b4341721 453 unsigned int cmd, void __user *argp)
1da177e4 454{
a7f61e89
JH		 455 /* NULL initialization to make gcc shut up */
456 struct mtget __user *get = NULL;
1da177e4 457 struct mtget32 __user *umget32;
a7f61e89 458 struct mtpos __user *pos = NULL;
1da177e4
LT		 459 struct mtpos32 __user *upos32;
460 unsigned long kcmd;
461 void *karg;
462 int err = 0;
463
464 switch(cmd) {
465 case MTIOCPOS32:
466 kcmd = MTIOCPOS;
a7f61e89
JH		 467 pos = compat_alloc_user_space(sizeof(*pos));
468 karg = pos;
1da177e4 469 break;
45bf5cd7 470 default: /* MTIOCGET32 */
1da177e4 471 kcmd = MTIOCGET;
a7f61e89
JH		 472 get = compat_alloc_user_space(sizeof(*get));
473 karg = get;
1da177e4 474 break;
1da177e4 475 }
a7f61e89
JH		 476 if (karg == NULL)
477 return -EFAULT;
66cf191f 478 err = do_ioctl(file, kcmd, (unsigned long)karg);
1da177e4
LT		 479 if (err)
480 return err;
481 switch (cmd) {
482 case MTIOCPOS32:
43c6e7b9 483 upos32 = argp;
a7f61e89 484 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
1da177e4
LT		 485 break;
486 case MTIOCGET32:
43c6e7b9 487 umget32 = argp;
a7f61e89
JH		 488 err = convert_in_user(&get->mt_type, &umget32->mt_type);
489 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
490 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
491 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
492 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
493 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
494 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
1da177e4
LT		 495 break;
496 }
497 return err ? -EFAULT: 0;
498}
499
9361401e 500#endif /* CONFIG_BLOCK */
1da177e4 501
1da177e4 502/* Bluetooth ioctls */
2cdf096f
JH		 503#define HCIUARTSETPROTO _IOW('U', 200, int)
504#define HCIUARTGETPROTO _IOR('U', 201, int)
505#define HCIUARTGETDEVICE _IOR('U', 202, int)
63c7d09c
JH		 506#define HCIUARTSETFLAGS _IOW('U', 203, int)
507#define HCIUARTGETFLAGS _IOR('U', 204, int)
1da177e4 508
ec3cad96
CH		 509#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
510#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
511#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
512#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
513
66cf191f 514static int rtc_ioctl(struct file *file,
b4341721 515 unsigned cmd, void __user *argp)
ec3cad96 516{
a7f61e89 517 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
ec3cad96
CH		 518 int ret;
519
a7f61e89
JH		 520 if (valp == NULL)
521 return -EFAULT;
ec3cad96
CH		 522 switch (cmd) {
523 case RTC_IRQP_READ32:
524 case RTC_EPOCH_READ32:
66cf191f 525 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
ec3cad96 526 RTC_IRQP_READ : RTC_EPOCH_READ,
a7f61e89 527 (unsigned long)valp);
ec3cad96
CH		 528 if (ret)
529 return ret;
a7f61e89 530 return convert_in_user(valp, (unsigned int __user *)argp);
ec3cad96 531 case RTC_IRQP_SET32:
66cf191f 532 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
ec3cad96 533 case RTC_EPOCH_SET32:
66cf191f 534 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
ec3cad96 535 }
43c6e7b9
AB		 536
537 return -ENOIOCTLCMD;
ec3cad96
CH		 538}
539
3e63cbb1
AJ		 540/* on ia32 l_start is on a 32-bit boundary */
541#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
542struct space_resv_32 {
543 __s16 l_type;
544 __s16 l_whence;
545 __s64 l_start __attribute__((packed));
546 /* len == 0 means until end of file */
547 __s64 l_len __attribute__((packed));
548 __s32 l_sysid;
549 __u32 l_pid;
550 __s32 l_pad[4]; /* reserve area */
551};
552
553#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
554#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
555
556/* just account for different alignment */
43c6e7b9
AB		 557static int compat_ioctl_preallocate(struct file *file,
558 struct space_resv_32 __user *p32)
3e63cbb1 559{
3e63cbb1
AJ		 560 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
561
562 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
563 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
564 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
565 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
566 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
567 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
568 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
569 return -EFAULT;
570
571 return ioctl_preallocate(file, p);
572}
573#endif
574
661f627d
AB		 575/*
576 * simple reversible transform to make our table more evenly
577 * distributed after sorting.
578 */
579#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
6272e266 580
9280cdd6 581#define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
421f0281
AK		 582/* ioctl should not be warned about even if it's not implemented.
583 Valid reasons to use this:
584 - It is implemented with ->compat_ioctl on some device, but programs
585 call it on others too.
586 - The ioctl is not implemented in the native kernel, but programs
587 call it commonly anyways.
588 Most other reasons are not valid. */
589#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
e6a6d2ef 590
661f627d 591static unsigned int ioctl_pointer[] = {
644fd4f5 592/* compatible ioctls first */
644fd4f5 593/* Little t */
644fd4f5 594COMPATIBLE_IOCTL(TIOCOUTQ)
644fd4f5
CH		 595/* Little f */
596COMPATIBLE_IOCTL(FIOCLEX)
597COMPATIBLE_IOCTL(FIONCLEX)
598COMPATIBLE_IOCTL(FIOASYNC)
599COMPATIBLE_IOCTL(FIONBIO)
600COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
69130c7c 601COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
644fd4f5
CH		 602/* 0x00 */
603COMPATIBLE_IOCTL(FIBMAP)
604COMPATIBLE_IOCTL(FIGETBSZ)
5cf8cf41
CH		 605/* 'X' - originally XFS but some now in the VFS */
606COMPATIBLE_IOCTL(FIFREEZE)
607COMPATIBLE_IOCTL(FITHAW)
9abea2d6 608COMPATIBLE_IOCTL(FITRIM)
3c3622dc 609#ifdef CONFIG_BLOCK
644fd4f5
CH		 610/* Big S */
611COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
612COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
613COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
614COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
615COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
616COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
617COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
618COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
3c3622dc 619#endif
3f001711
AN		 620/* Big V (don't complain on serial console) */
621IGNORE_IOCTL(VT_OPENQRY)
622IGNORE_IOCTL(VT_GETMODE)
644fd4f5
CH		 623/* Little p (/dev/rtc, /dev/envctrl, etc.) */
624COMPATIBLE_IOCTL(RTC_AIE_ON)
625COMPATIBLE_IOCTL(RTC_AIE_OFF)
626COMPATIBLE_IOCTL(RTC_UIE_ON)
627COMPATIBLE_IOCTL(RTC_UIE_OFF)
628COMPATIBLE_IOCTL(RTC_PIE_ON)
629COMPATIBLE_IOCTL(RTC_PIE_OFF)
630COMPATIBLE_IOCTL(RTC_WIE_ON)
631COMPATIBLE_IOCTL(RTC_WIE_OFF)
632COMPATIBLE_IOCTL(RTC_ALM_SET)
633COMPATIBLE_IOCTL(RTC_ALM_READ)
634COMPATIBLE_IOCTL(RTC_RD_TIME)
635COMPATIBLE_IOCTL(RTC_SET_TIME)
636COMPATIBLE_IOCTL(RTC_WKALM_SET)
637COMPATIBLE_IOCTL(RTC_WKALM_RD)
638/*
639 * These two are only for the sbus rtc driver, but
640 * hwclock tries them on every rtc device first when
641 * running on sparc. On other architectures the entries
642 * are useless but harmless.
643 */
644COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
645COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
646/* Little m */
647COMPATIBLE_IOCTL(MTIOCTOP)
648/* Socket level stuff */
649COMPATIBLE_IOCTL(FIOQSIZE)
3c3622dc 650#ifdef CONFIG_BLOCK
f79f1185
AB		 651/* md calls this on random blockdevs */
652IGNORE_IOCTL(RAID_VERSION)
390192b3
JS		 653/* qemu/qemu-img might call these two on plain files for probing */
654IGNORE_IOCTL(CDROM_DRIVE_STATUS)
655IGNORE_IOCTL(FDGETPRM32)
644fd4f5
CH		 656/* SG stuff */
657COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
658COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
659COMPATIBLE_IOCTL(SG_EMULATED_HOST)
644fd4f5
CH		 660COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
661COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
662COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
663COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
664COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
665COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
666COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
667COMPATIBLE_IOCTL(SG_GET_PACK_ID)
668COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
669COMPATIBLE_IOCTL(SG_SET_DEBUG)
670COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
671COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
672COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
673COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
674COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
675COMPATIBLE_IOCTL(SG_SCSI_RESET)
676COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
677COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
678COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
3c3622dc 679#endif
644fd4f5
CH		 680/* PPP stuff */
681COMPATIBLE_IOCTL(PPPIOCGFLAGS)
682COMPATIBLE_IOCTL(PPPIOCSFLAGS)
683COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
684COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
685COMPATIBLE_IOCTL(PPPIOCGUNIT)
686COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
687COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
688COMPATIBLE_IOCTL(PPPIOCGMRU)
689COMPATIBLE_IOCTL(PPPIOCSMRU)
690COMPATIBLE_IOCTL(PPPIOCSMAXCID)
691COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
692COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
693COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
694/* PPPIOCSCOMPRESS is translated */
695COMPATIBLE_IOCTL(PPPIOCGNPMODE)
696COMPATIBLE_IOCTL(PPPIOCSNPMODE)
697COMPATIBLE_IOCTL(PPPIOCGDEBUG)
698COMPATIBLE_IOCTL(PPPIOCSDEBUG)
699/* PPPIOCSPASS is translated */
700/* PPPIOCSACTIVE is translated */
701/* PPPIOCGIDLE is translated */
702COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
703COMPATIBLE_IOCTL(PPPIOCATTACH)
704COMPATIBLE_IOCTL(PPPIOCDETACH)
705COMPATIBLE_IOCTL(PPPIOCSMRRU)
706COMPATIBLE_IOCTL(PPPIOCCONNECT)
707COMPATIBLE_IOCTL(PPPIOCDISCONN)
708COMPATIBLE_IOCTL(PPPIOCATTCHAN)
709COMPATIBLE_IOCTL(PPPIOCGCHAN)
8bab6f14 710COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
644fd4f5
CH		 711/* PPPOX */
712COMPATIBLE_IOCTL(PPPOEIOCSFWD)
713COMPATIBLE_IOCTL(PPPOEIOCDFWD)
644fd4f5
CH		 714/* Big A */
715/* sparc only */
716/* Big Q for sound/OSS */
717COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
718COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
719COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
720COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
721COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
722COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
723COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
724COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
725COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
726COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
727COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
728COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
729COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
730COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
731COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
732COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
733COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
734COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
735COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
736COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
737COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
738COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
739/* Big T for sound/OSS */
740COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
741COMPATIBLE_IOCTL(SNDCTL_TMR_START)
742COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
743COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
744COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
745COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
746COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
747COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
748/* Little m for sound/OSS */
749COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
750COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
751COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
752/* Big P for sound/OSS */
753COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
754COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
755COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
756COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
757COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
758COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
759COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
760COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
761COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
762COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
763COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
764COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
765COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
766COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
767COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
768COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
769COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
770COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
771COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
772COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
773/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
774/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
775COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
776COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
777COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
778COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
779COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
780COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
781COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
782COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
783/* Big C for sound/OSS */
784COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
785COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
786COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
787COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
788COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
789COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
790COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
791COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
792COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
793COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
794/* Big M for sound/OSS */
795COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
796COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
797COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
798COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
799COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
800COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
801COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
802COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
803COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
804COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
805COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
806COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
807COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
808COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
809COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
810COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
811COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
812COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
813COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
814COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
815COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
816COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
817COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
818COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
819COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
820COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
821/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
822/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
823COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
824COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
825COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
826COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
827COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
828COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
829COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
830COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
831COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
832COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
833COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
834COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
835COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
836COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
837COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
838COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
839COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
840COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
841COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
842COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
843COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
844COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
845COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
846COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
847COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
848COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
849COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
850COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
851COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
852COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
853COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
854/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
855/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
856COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
857COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
858COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
859COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
860COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
861COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
862COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
863COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
864COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
865COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
866COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
867COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
868COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
869COMPATIBLE_IOCTL(OSS_GETVERSION)
644fd4f5
CH		 870/* Raw devices */
871COMPATIBLE_IOCTL(RAW_SETBIND)
872COMPATIBLE_IOCTL(RAW_GETBIND)
644fd4f5
CH		 873/* Watchdog */
874COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
875COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
876COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
877COMPATIBLE_IOCTL(WDIOC_GETTEMP)
878COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
879COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
880COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
881COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
97beb3ae
WS		 882COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
883COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
644fd4f5
CH		 884/* Big R */
885COMPATIBLE_IOCTL(RNDGETENTCNT)
886COMPATIBLE_IOCTL(RNDADDTOENTCNT)
887COMPATIBLE_IOCTL(RNDGETPOOL)
888COMPATIBLE_IOCTL(RNDADDENTROPY)
889COMPATIBLE_IOCTL(RNDZAPENTCNT)
890COMPATIBLE_IOCTL(RNDCLEARPOOL)
891/* Bluetooth */
892COMPATIBLE_IOCTL(HCIDEVUP)
893COMPATIBLE_IOCTL(HCIDEVDOWN)
894COMPATIBLE_IOCTL(HCIDEVRESET)
895COMPATIBLE_IOCTL(HCIDEVRESTAT)
896COMPATIBLE_IOCTL(HCIGETDEVLIST)
897COMPATIBLE_IOCTL(HCIGETDEVINFO)
898COMPATIBLE_IOCTL(HCIGETCONNLIST)
899COMPATIBLE_IOCTL(HCIGETCONNINFO)
40be492f 900COMPATIBLE_IOCTL(HCIGETAUTHINFO)
644fd4f5
CH		 901COMPATIBLE_IOCTL(HCISETRAW)
902COMPATIBLE_IOCTL(HCISETSCAN)
903COMPATIBLE_IOCTL(HCISETAUTH)
904COMPATIBLE_IOCTL(HCISETENCRYPT)
905COMPATIBLE_IOCTL(HCISETPTYPE)
906COMPATIBLE_IOCTL(HCISETLINKPOL)
907COMPATIBLE_IOCTL(HCISETLINKMODE)
908COMPATIBLE_IOCTL(HCISETACLMTU)
909COMPATIBLE_IOCTL(HCISETSCOMTU)
f0358568
JH		 910COMPATIBLE_IOCTL(HCIBLOCKADDR)
911COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
644fd4f5
CH		 912COMPATIBLE_IOCTL(HCIINQUIRY)
913COMPATIBLE_IOCTL(HCIUARTSETPROTO)
914COMPATIBLE_IOCTL(HCIUARTGETPROTO)
d10d34aa
MH		 915COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
916COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
917COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
644fd4f5
CH		 918COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
919COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
920COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
921COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
922COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
644fd4f5
CH		 923/* CAPI */
924COMPATIBLE_IOCTL(CAPI_REGISTER)
925COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
926COMPATIBLE_IOCTL(CAPI_GET_VERSION)
927COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
928COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
929COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
930COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
931COMPATIBLE_IOCTL(CAPI_INSTALLED)
932COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
933COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
934COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
935COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
936COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
644fd4f5
CH		 937/* Misc. */
938COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
939COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
940COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
941COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
942COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
943COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
644fd4f5
CH		 944/* hiddev */
945COMPATIBLE_IOCTL(HIDIOCGVERSION)
946COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
947COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
948COMPATIBLE_IOCTL(HIDIOCGSTRING)
949COMPATIBLE_IOCTL(HIDIOCINITREPORT)
950COMPATIBLE_IOCTL(HIDIOCGREPORT)
951COMPATIBLE_IOCTL(HIDIOCSREPORT)
952COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
953COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
954COMPATIBLE_IOCTL(HIDIOCGUSAGE)
955COMPATIBLE_IOCTL(HIDIOCSUSAGE)
956COMPATIBLE_IOCTL(HIDIOCGUCODE)
957COMPATIBLE_IOCTL(HIDIOCGFLAG)
958COMPATIBLE_IOCTL(HIDIOCSFLAG)
959COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
960COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
961/* dvb */
962COMPATIBLE_IOCTL(AUDIO_STOP)
963COMPATIBLE_IOCTL(AUDIO_PLAY)
964COMPATIBLE_IOCTL(AUDIO_PAUSE)
965COMPATIBLE_IOCTL(AUDIO_CONTINUE)
966COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
967COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
968COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
969COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
970COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
971COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
972COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
973COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
974COMPATIBLE_IOCTL(AUDIO_SET_ID)
975COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
976COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
644fd4f5
CH		 977COMPATIBLE_IOCTL(DMX_START)
978COMPATIBLE_IOCTL(DMX_STOP)
979COMPATIBLE_IOCTL(DMX_SET_FILTER)
980COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
981COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
982COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
644fd4f5 983COMPATIBLE_IOCTL(DMX_GET_STC)
651d6666
MCC		 984COMPATIBLE_IOCTL(DMX_REQBUFS)
985COMPATIBLE_IOCTL(DMX_QUERYBUF)
986COMPATIBLE_IOCTL(DMX_EXPBUF)
987COMPATIBLE_IOCTL(DMX_QBUF)
988COMPATIBLE_IOCTL(DMX_DQBUF)
644fd4f5
CH		 989COMPATIBLE_IOCTL(VIDEO_STOP)
990COMPATIBLE_IOCTL(VIDEO_PLAY)
991COMPATIBLE_IOCTL(VIDEO_FREEZE)
992COMPATIBLE_IOCTL(VIDEO_CONTINUE)
993COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
994COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
995COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
996COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
997COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
998COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
999COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1000COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
644fd4f5
CH		 1001COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1002COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
644fd4f5 1003COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
594edf39
HV		 1004/* cec */
1005COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
1006COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
1007COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
1008COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
1009COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
1010COMPATIBLE_IOCTL(CEC_G_MODE)
1011COMPATIBLE_IOCTL(CEC_S_MODE)
1012COMPATIBLE_IOCTL(CEC_TRANSMIT)
1013COMPATIBLE_IOCTL(CEC_RECEIVE)
1014COMPATIBLE_IOCTL(CEC_DQEVENT)
644fd4f5 1015
3fee37c1
AM		 1016/* joystick */
1017COMPATIBLE_IOCTL(JSIOCGVERSION)
1018COMPATIBLE_IOCTL(JSIOCGAXES)
1019COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1020COMPATIBLE_IOCTL(JSIOCGNAME(0))
1021
2724b6db
AK		 1022/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1023 but we don't want warnings on other file systems. So declare
1024 them as compatible here. */
1025#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1026#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1027
1028IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1029IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
98701dc1 1030
8163904e
DM		 1031#ifdef CONFIG_SPARC
1032/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1033IGNORE_IOCTL(FBIOGTYPE)
1034IGNORE_IOCTL(FBIOSATTR)
1035IGNORE_IOCTL(FBIOGATTR)
1036IGNORE_IOCTL(FBIOSVIDEO)
1037IGNORE_IOCTL(FBIOGVIDEO)
1038IGNORE_IOCTL(FBIOSCURPOS)
1039IGNORE_IOCTL(FBIOGCURPOS)
1040IGNORE_IOCTL(FBIOGCURMAX)
1041IGNORE_IOCTL(FBIOPUTCMAP32)
1042IGNORE_IOCTL(FBIOGETCMAP32)
1043IGNORE_IOCTL(FBIOSCURSOR32)
1044IGNORE_IOCTL(FBIOGCURSOR32)
1045#endif
e6a6d2ef 1046};
6e87abd0 1047
5a07ea0b
AB		 1048/*
1049 * Convert common ioctl arguments based on their command number
1050 *
1051 * Please do not add any code in here. Instead, implement
1052 * a compat_ioctl operation in the place that handleѕ the
1053 * ioctl for the native case.
1054 */
66cf191f 1055static long do_ioctl_trans(unsigned int cmd,
5a07ea0b
AB		 1056 unsigned long arg, struct file *file)
1057{
43c6e7b9
AB		 1058 void __user *argp = compat_ptr(arg);
1059
5a07ea0b
AB		 1060 switch (cmd) {
1061 case PPPIOCGIDLE32:
66cf191f 1062 return ppp_gidle(file, cmd, argp);
5a07ea0b 1063 case PPPIOCSCOMPRESS32:
66cf191f 1064 return ppp_scompress(file, cmd, argp);
5a07ea0b
AB		 1065 case PPPIOCSPASS32:
1066 case PPPIOCSACTIVE32:
66cf191f 1067 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
5a07ea0b
AB		 1068#ifdef CONFIG_BLOCK
1069 case SG_IO:
66cf191f 1070 return sg_ioctl_trans(file, cmd, argp);
5a07ea0b 1071 case SG_GET_REQUEST_TABLE:
66cf191f 1072 return sg_grt_trans(file, cmd, argp);
5a07ea0b
AB		 1073 case MTIOCGET32:
1074 case MTIOCPOS32:
66cf191f 1075 return mt_ioctl_trans(file, cmd, argp);
5a07ea0b 1076#endif
5a07ea0b
AB		 1077 /* Not implemented in the native kernel */
1078 case RTC_IRQP_READ32:
1079 case RTC_IRQP_SET32:
1080 case RTC_EPOCH_READ32:
1081 case RTC_EPOCH_SET32:
66cf191f 1082 return rtc_ioctl(file, cmd, argp);
5a07ea0b
AB		 1083
1084 /* dvb */
1085 case VIDEO_GET_EVENT:
66cf191f 1086 return do_video_get_event(file, cmd, argp);
5a07ea0b 1087 case VIDEO_STILLPICTURE:
66cf191f 1088 return do_video_stillpicture(file, cmd, argp);
5a07ea0b 1089 }
789f0f89
AB		 1090
1091 /*
1092 * These take an integer instead of a pointer as 'arg',
1093 * so we must not do a compat_ptr() translation.
1094 */
1095 switch (cmd) {
789f0f89
AB		 1096 /* RAID */
1097 case HOT_REMOVE_DISK:
1098 case HOT_ADD_DISK:
1099 case SET_DISK_FAULTY:
1100 case SET_BITMAP_FILE:
66cf191f 1101 return vfs_ioctl(file, cmd, arg);
789f0f89
AB		 1102 }
1103
5a07ea0b
AB		 1104 return -ENOIOCTLCMD;
1105}
1106
661f627d
AB		 1107static int compat_ioctl_check_table(unsigned int xcmd)
1108{
1109 int i;
1110 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1111
1112 BUILD_BUG_ON(max >= (1 << 16));
1113
1114 /* guess initial offset into table, assuming a
1115 normalized distribution */
1116 i = ((xcmd >> 16) * max) >> 16;
1117
1118 /* do linear search up first, until greater or equal */
1119 while (ioctl_pointer[i] < xcmd && i < max)
1120 i++;
1121
1122 /* then do linear search down */
1123 while (ioctl_pointer[i] > xcmd && i > 0)
1124 i--;
1125
1126 return ioctl_pointer[i] == xcmd;
1127}
1128
932602e2
HC		 1129COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1130 compat_ulong_t, arg32)
6272e266 1131{
932602e2 1132 unsigned long arg = arg32;
2903ff01 1133 struct fd f = fdget(fd);
6272e266 1134 int error = -EBADF;
2903ff01 1135 if (!f.file)
6272e266
CH		 1136 goto out;
1137
1138 /* RED-PEN how should LSM module know it's handling 32bit? */
2903ff01 1139 error = security_file_ioctl(f.file, cmd, arg);
6272e266
CH		 1140 if (error)
1141 goto out_fput;
1142
1143 /*
1144 * To allow the compat_ioctl handlers to be self contained
1145 * we need to check the common ioctls here first.
1146 * Just handle them with the standard handlers below.
1147 */
1148 switch (cmd) {
1149 case FIOCLEX:
1150 case FIONCLEX:
1151 case FIONBIO:
1152 case FIOASYNC:
1153 case FIOQSIZE:
1154 break;
1155
3e63cbb1
AJ		 1156#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1157 case FS_IOC_RESVSP_32:
1158 case FS_IOC_RESVSP64_32:
2903ff01 1159 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
3e63cbb1
AJ		 1160 goto out_fput;
1161#else
1162 case FS_IOC_RESVSP:
1163 case FS_IOC_RESVSP64:
2903ff01 1164 error = ioctl_preallocate(f.file, compat_ptr(arg));
3e63cbb1
AJ		 1165 goto out_fput;
1166#endif
1167
d79bdd52
DW		 1168 case FICLONE:
1169 case FICLONERANGE:
54dbc151 1170 case FIDEDUPERANGE:
ceac204e 1171 case FS_IOC_FIEMAP:
d79bdd52
DW		 1172 goto do_ioctl;
1173
6272e266
CH		 1174 case FIBMAP:
1175 case FIGETBSZ:
1176 case FIONREAD:
496ad9aa 1177 if (S_ISREG(file_inode(f.file)->i_mode))
6272e266
CH		 1178 break;
1179 /*FALL THROUGH*/
1180
1181 default:
72c2d531 1182 if (f.file->f_op->compat_ioctl) {
2903ff01 1183 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
6272e266
CH		 1184 if (error != -ENOIOCTLCMD)
1185 goto out_fput;
1186 }
1187
72c2d531 1188 if (!f.file->f_op->unlocked_ioctl)
6272e266
CH		 1189 goto do_ioctl;
1190 break;
1191 }
1192
661f627d
AB		 1193 if (compat_ioctl_check_table(XFORM(cmd)))
1194 goto found_handler;
6272e266 1195
66cf191f 1196 error = do_ioctl_trans(cmd, arg, f.file);
07d106d0
LT		 1197 if (error == -ENOIOCTLCMD)
1198 error = -ENOTTY;
6272e266
CH		 1199
1200 goto out_fput;
1201
1202 found_handler:
789f0f89 1203 arg = (unsigned long)compat_ptr(arg);
6272e266 1204 do_ioctl:
2903ff01 1205 error = do_vfs_ioctl(f.file, fd, cmd, arg);
6272e266 1206 out_fput:
2903ff01 1207 fdput(f);
6272e266
CH		 1208 out:
1209 return error;
1210}
1211
661f627d 1212static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
6272e266 1213{
661f627d
AB		 1214 unsigned int a, b;
1215 a = *(unsigned int *)p;
1216 b = *(unsigned int *)q;
1217 if (a > b)
1218 return 1;
1219 if (a < b)
1220 return -1;
1221 return 0;
6272e266
CH		 1222}
1223
1224static int __init init_sys32_ioctl(void)
1225{
661f627d
AB		 1226 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1227 init_sys32_ioctl_cmp, NULL);
6272e266
CH		 1228 return 0;
1229}
1230__initcall(init_sys32_ioctl);
Linux 6.x block layer and io_uring tree(s)