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Linux 4.14.171
[linux/fpc-iii.git] / fs / compat_ioctl.c
blobf445bc9cdc942d12eccce047477358c05a71da0a
1 // SPDX-License-Identifier: GPL-2.0
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
8 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
9 *
10 * These routines maintain argument size conversion between 32bit and 64bit
11 * ioctls.
12 */
13
14 #include <linux/joystick.h>
15
16 #include <linux/types.h>
17 #include <linux/compat.h>
18 #include <linux/kernel.h>
19 #include <linux/capability.h>
20 #include <linux/compiler.h>
21 #include <linux/sched.h>
22 #include <linux/smp.h>
23 #include <linux/ioctl.h>
24 #include <linux/if.h>
25 #include <linux/if_bridge.h>
26 #include <linux/raid/md_u.h>
27 #include <linux/kd.h>
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>
34 #include <linux/falloc.h>
35 #include <linux/fs.h>
36 #include <linux/file.h>
37 #include <linux/ppp_defs.h>
38 #include <linux/ppp-ioctl.h>
39 #include <linux/if_pppox.h>
40 #include <linux/mtio.h>
41 #include <linux/auto_fs.h>
42 #include <linux/auto_fs4.h>
43 #include <linux/tty.h>
44 #include <linux/vt_kern.h>
45 #include <linux/fb.h>
46 #include <linux/videodev2.h>
47 #include <linux/netdevice.h>
48 #include <linux/raw.h>
49 #include <linux/blkdev.h>
50 #include <linux/elevator.h>
51 #include <linux/rtc.h>
52 #include <linux/pci.h>
53 #include <linux/serial.h>
54 #include <linux/if_tun.h>
55 #include <linux/ctype.h>
56 #include <linux/syscalls.h>
57 #include <linux/i2c.h>
58 #include <linux/i2c-dev.h>
59 #include <linux/atalk.h>
60 #include <linux/gfp.h>
61 #include <linux/cec.h>
62
63 #include "internal.h"
64
65 #include <net/bluetooth/bluetooth.h>
66 #include <net/bluetooth/hci_sock.h>
67 #include <net/bluetooth/rfcomm.h>
68
69 #include <linux/capi.h>
70 #include <linux/gigaset_dev.h>
71
72 #ifdef CONFIG_BLOCK
73 #include <linux/cdrom.h>
74 #include <linux/fd.h>
75 #include <scsi/scsi.h>
76 #include <scsi/scsi_ioctl.h>
77 #include <scsi/sg.h>
78 #endif
79
80 #include <linux/uaccess.h>
81 #include <linux/ethtool.h>
82 #include <linux/mii.h>
83 #include <linux/if_bonding.h>
84 #include <linux/watchdog.h>
85
86 #include <linux/soundcard.h>
87 #include <linux/lp.h>
88 #include <linux/ppdev.h>
89
90 #include <linux/atm.h>
91 #include <linux/atmarp.h>
92 #include <linux/atmclip.h>
93 #include <linux/atmdev.h>
94 #include <linux/atmioc.h>
95 #include <linux/atmlec.h>
96 #include <linux/atmmpc.h>
97 #include <linux/atmsvc.h>
98 #include <linux/atm_tcp.h>
99 #include <linux/sonet.h>
100 #include <linux/atm_suni.h>
101
102 #include <linux/usb.h>
103 #include <linux/usbdevice_fs.h>
104 #include <linux/nbd.h>
105 #include <linux/random.h>
106 #include <linux/filter.h>
107
108 #include <linux/hiddev.h>
109
110 #define __DVB_CORE__
111 #include <linux/dvb/audio.h>
112 #include <linux/dvb/dmx.h>
113 #include <linux/dvb/frontend.h>
114 #include <linux/dvb/video.h>
115
116 #include <linux/sort.h>
117
118 #ifdef CONFIG_SPARC
119 #include <asm/fbio.h>
120 #endif
121
122 #define convert_in_user(srcptr, dstptr) \
123 ({ \
124 typeof(*srcptr) val; \
125 \
126 get_user(val, srcptr) || put_user(val, dstptr); \
127 })
128
129 static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
130 {
131 int err;
132
133 err = security_file_ioctl(file, cmd, arg);
134 if (err)
135 return err;
136
137 return vfs_ioctl(file, cmd, arg);
138 }
139
140 static int w_long(struct file *file,
141 unsigned int cmd, compat_ulong_t __user *argp)
142 {
143 int err;
144 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
145
146 if (valp == NULL)
147 return -EFAULT;
148 err = do_ioctl(file, cmd, (unsigned long)valp);
149 if (err)
150 return err;
151 if (convert_in_user(valp, argp))
152 return -EFAULT;
153 return 0;
154 }
155
156 struct compat_video_event {
157 int32_t type;
158 compat_time_t timestamp;
159 union {
160 video_size_t size;
161 unsigned int frame_rate;
162 } u;
163 };
164 #define VIDEO_GET_EVENT32 _IOR('o', 28, struct compat_video_event)
165
166 static int do_video_get_event(struct file *file,
167 unsigned int cmd, struct compat_video_event __user *up)
168 {
169 struct video_event __user *kevent =
170 compat_alloc_user_space(sizeof(*kevent));
171 int err;
172
173 if (kevent == NULL)
174 return -EFAULT;
175
176 err = do_ioctl(file, VIDEO_GET_EVENT, (unsigned long)kevent);
177 if (!err) {
178 err = convert_in_user(&kevent->type, &up->type);
179 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
180 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
181 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
182 err |= convert_in_user(&kevent->u.size.aspect_ratio,
183 &up->u.size.aspect_ratio);
184 if (err)
185 err = -EFAULT;
186 }
187
188 return err;
189 }
190
191 struct compat_video_still_picture {
192 compat_uptr_t iFrame;
193 int32_t size;
194 };
195 #define VIDEO_STILLPICTURE32 _IOW('o', 30, struct compat_video_still_picture)
196
197 static int do_video_stillpicture(struct file *file,
198 unsigned int cmd, struct compat_video_still_picture __user *up)
199 {
200 struct video_still_picture __user *up_native;
201 compat_uptr_t fp;
202 int32_t size;
203 int err;
204
205 err = get_user(fp, &up->iFrame);
206 err |= get_user(size, &up->size);
207 if (err)
208 return -EFAULT;
209
210 up_native =
211 compat_alloc_user_space(sizeof(struct video_still_picture));
212
213 err = put_user(compat_ptr(fp), &up_native->iFrame);
214 err |= put_user(size, &up_native->size);
215 if (err)
216 return -EFAULT;
217
218 err = do_ioctl(file, VIDEO_STILLPICTURE, (unsigned long) up_native);
219
220 return err;
221 }
222
223 struct compat_video_spu_palette {
224 int length;
225 compat_uptr_t palette;
226 };
227
228 static int do_video_set_spu_palette(struct file *file,
229 unsigned int cmd, struct compat_video_spu_palette __user *up)
230 {
231 struct video_spu_palette __user *up_native;
232 compat_uptr_t palp;
233 int length, err;
234
235 err = get_user(palp, &up->palette);
236 err |= get_user(length, &up->length);
237 if (err)
238 return -EFAULT;
239
240 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
241 err = put_user(compat_ptr(palp), &up_native->palette);
242 err |= put_user(length, &up_native->length);
243 if (err)
244 return -EFAULT;
245
246 err = do_ioctl(file, cmd, (unsigned long) up_native);
247
248 return err;
249 }
250
251 #ifdef CONFIG_BLOCK
252 typedef struct sg_io_hdr32 {
253 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
254 compat_int_t dxfer_direction; /* [i] data transfer direction */
255 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
256 unsigned char mx_sb_len; /* [i] max length to write to sbp */
257 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
258 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
259 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
260 or scatter gather list */
261 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
262 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
263 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
264 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
265 compat_int_t pack_id; /* [i->o] unused internally (normally) */
266 compat_uptr_t usr_ptr; /* [i->o] unused internally */
267 unsigned char status; /* [o] scsi status */
268 unsigned char masked_status; /* [o] shifted, masked scsi status */
269 unsigned char msg_status; /* [o] messaging level data (optional) */
270 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
271 unsigned short host_status; /* [o] errors from host adapter */
272 unsigned short driver_status; /* [o] errors from software driver */
273 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
274 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
275 compat_uint_t info; /* [o] auxiliary information */
276 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
277
278 typedef struct sg_iovec32 {
279 compat_uint_t iov_base;
280 compat_uint_t iov_len;
281 } sg_iovec32_t;
282
283 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
284 {
285 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
286 sg_iovec32_t __user *iov32 = dxferp;
287 int i;
288
289 for (i = 0; i < iovec_count; i++) {
290 u32 base, len;
291
292 if (get_user(base, &iov32[i].iov_base) ||
293 get_user(len, &iov32[i].iov_len) ||
294 put_user(compat_ptr(base), &iov[i].iov_base) ||
295 put_user(len, &iov[i].iov_len))
296 return -EFAULT;
297 }
298
299 if (put_user(iov, &sgio->dxferp))
300 return -EFAULT;
301 return 0;
302 }
303
304 static int sg_ioctl_trans(struct file *file, unsigned int cmd,
305 sg_io_hdr32_t __user *sgio32)
306 {
307 sg_io_hdr_t __user *sgio;
308 u16 iovec_count;
309 u32 data;
310 void __user *dxferp;
311 int err;
312 int interface_id;
313
314 if (get_user(interface_id, &sgio32->interface_id))
315 return -EFAULT;
316 if (interface_id != 'S')
317 return do_ioctl(file, cmd, (unsigned long)sgio32);
318
319 if (get_user(iovec_count, &sgio32->iovec_count))
320 return -EFAULT;
321
322 {
323 void __user *top = compat_alloc_user_space(0);
324 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
325 (iovec_count * sizeof(sg_iovec_t)));
326 if (new > top)
327 return -EINVAL;
328
329 sgio = new;
330 }
331
332 /* Ok, now construct. */
333 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
334 (2 * sizeof(int)) +
335 (2 * sizeof(unsigned char)) +
336 (1 * sizeof(unsigned short)) +
337 (1 * sizeof(unsigned int))))
338 return -EFAULT;
339
340 if (get_user(data, &sgio32->dxferp))
341 return -EFAULT;
342 dxferp = compat_ptr(data);
343 if (iovec_count) {
344 if (sg_build_iovec(sgio, dxferp, iovec_count))
345 return -EFAULT;
346 } else {
347 if (put_user(dxferp, &sgio->dxferp))
348 return -EFAULT;
349 }
350
351 {
352 unsigned char __user *cmdp;
353 unsigned char __user *sbp;
354
355 if (get_user(data, &sgio32->cmdp))
356 return -EFAULT;
357 cmdp = compat_ptr(data);
358
359 if (get_user(data, &sgio32->sbp))
360 return -EFAULT;
361 sbp = compat_ptr(data);
362
363 if (put_user(cmdp, &sgio->cmdp) ||
364 put_user(sbp, &sgio->sbp))
365 return -EFAULT;
366 }
367
368 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
369 3 * sizeof(int)))
370 return -EFAULT;
371
372 if (get_user(data, &sgio32->usr_ptr))
373 return -EFAULT;
374 if (put_user(compat_ptr(data), &sgio->usr_ptr))
375 return -EFAULT;
376
377 err = do_ioctl(file, cmd, (unsigned long) sgio);
378
379 if (err >= 0) {
380 void __user *datap;
381
382 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
383 sizeof(int)) ||
384 get_user(datap, &sgio->usr_ptr) ||
385 put_user((u32)(unsigned long)datap,
386 &sgio32->usr_ptr) ||
387 copy_in_user(&sgio32->status, &sgio->status,
388 (4 * sizeof(unsigned char)) +
389 (2 * sizeof(unsigned short)) +
390 (3 * sizeof(int))))
391 err = -EFAULT;
392 }
393
394 return err;
395 }
396
397 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
398 char req_state;
399 char orphan;
400 char sg_io_owned;
401 char problem;
402 int pack_id;
403 compat_uptr_t usr_ptr;
404 unsigned int duration;
405 int unused;
406 };
407
408 static int sg_grt_trans(struct file *file,
409 unsigned int cmd, struct compat_sg_req_info __user *o)
410 {
411 int err, i;
412 sg_req_info_t __user *r;
413 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
414 err = do_ioctl(file, cmd, (unsigned long)r);
415 if (err < 0)
416 return err;
417 for (i = 0; i < SG_MAX_QUEUE; i++) {
418 void __user *ptr;
419 int d;
420
421 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
422 get_user(ptr, &r[i].usr_ptr) ||
423 get_user(d, &r[i].duration) ||
424 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
425 put_user(d, &o[i].duration))
426 return -EFAULT;
427 }
428 return err;
429 }
430 #endif /* CONFIG_BLOCK */
431
432 struct sock_fprog32 {
433 unsigned short len;
434 compat_caddr_t filter;
435 };
436
437 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
438 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
439
440 static int ppp_sock_fprog_ioctl_trans(struct file *file,
441 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
442 {
443 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
444 void __user *fptr64;
445 u32 fptr32;
446 u16 flen;
447
448 if (get_user(flen, &u_fprog32->len) ||
449 get_user(fptr32, &u_fprog32->filter))
450 return -EFAULT;
451
452 fptr64 = compat_ptr(fptr32);
453
454 if (put_user(flen, &u_fprog64->len) ||
455 put_user(fptr64, &u_fprog64->filter))
456 return -EFAULT;
457
458 if (cmd == PPPIOCSPASS32)
459 cmd = PPPIOCSPASS;
460 else
461 cmd = PPPIOCSACTIVE;
462
463 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
464 }
465
466 struct ppp_option_data32 {
467 compat_caddr_t ptr;
468 u32 length;
469 compat_int_t transmit;
470 };
471 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
472
473 struct ppp_idle32 {
474 compat_time_t xmit_idle;
475 compat_time_t recv_idle;
476 };
477 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
478
479 static int ppp_gidle(struct file *file, unsigned int cmd,
480 struct ppp_idle32 __user *idle32)
481 {
482 struct ppp_idle __user *idle;
483 __kernel_time_t xmit, recv;
484 int err;
485
486 idle = compat_alloc_user_space(sizeof(*idle));
487
488 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
489
490 if (!err) {
491 if (get_user(xmit, &idle->xmit_idle) ||
492 get_user(recv, &idle->recv_idle) ||
493 put_user(xmit, &idle32->xmit_idle) ||
494 put_user(recv, &idle32->recv_idle))
495 err = -EFAULT;
496 }
497 return err;
498 }
499
500 static int ppp_scompress(struct file *file, unsigned int cmd,
501 struct ppp_option_data32 __user *odata32)
502 {
503 struct ppp_option_data __user *odata;
504 __u32 data;
505 void __user *datap;
506
507 odata = compat_alloc_user_space(sizeof(*odata));
508
509 if (get_user(data, &odata32->ptr))
510 return -EFAULT;
511
512 datap = compat_ptr(data);
513 if (put_user(datap, &odata->ptr))
514 return -EFAULT;
515
516 if (copy_in_user(&odata->length, &odata32->length,
517 sizeof(__u32) + sizeof(int)))
518 return -EFAULT;
519
520 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
521 }
522
523 #ifdef CONFIG_BLOCK
524 struct mtget32 {
525 compat_long_t mt_type;
526 compat_long_t mt_resid;
527 compat_long_t mt_dsreg;
528 compat_long_t mt_gstat;
529 compat_long_t mt_erreg;
530 compat_daddr_t mt_fileno;
531 compat_daddr_t mt_blkno;
532 };
533 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
534
535 struct mtpos32 {
536 compat_long_t mt_blkno;
537 };
538 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
539
540 static int mt_ioctl_trans(struct file *file,
541 unsigned int cmd, void __user *argp)
542 {
543 /* NULL initialization to make gcc shut up */
544 struct mtget __user *get = NULL;
545 struct mtget32 __user *umget32;
546 struct mtpos __user *pos = NULL;
547 struct mtpos32 __user *upos32;
548 unsigned long kcmd;
549 void *karg;
550 int err = 0;
551
552 switch(cmd) {
553 case MTIOCPOS32:
554 kcmd = MTIOCPOS;
555 pos = compat_alloc_user_space(sizeof(*pos));
556 karg = pos;
557 break;
558 default: /* MTIOCGET32 */
559 kcmd = MTIOCGET;
560 get = compat_alloc_user_space(sizeof(*get));
561 karg = get;
562 break;
563 }
564 if (karg == NULL)
565 return -EFAULT;
566 err = do_ioctl(file, kcmd, (unsigned long)karg);
567 if (err)
568 return err;
569 switch (cmd) {
570 case MTIOCPOS32:
571 upos32 = argp;
572 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
573 break;
574 case MTIOCGET32:
575 umget32 = argp;
576 err = convert_in_user(&get->mt_type, &umget32->mt_type);
577 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
578 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
579 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
580 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
581 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
582 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
583 break;
584 }
585 return err ? -EFAULT: 0;
586 }
587
588 #endif /* CONFIG_BLOCK */
589
590 /* Bluetooth ioctls */
591 #define HCIUARTSETPROTO _IOW('U', 200, int)
592 #define HCIUARTGETPROTO _IOR('U', 201, int)
593 #define HCIUARTGETDEVICE _IOR('U', 202, int)
594 #define HCIUARTSETFLAGS _IOW('U', 203, int)
595 #define HCIUARTGETFLAGS _IOR('U', 204, int)
596
597 #define BNEPCONNADD _IOW('B', 200, int)
598 #define BNEPCONNDEL _IOW('B', 201, int)
599 #define BNEPGETCONNLIST _IOR('B', 210, int)
600 #define BNEPGETCONNINFO _IOR('B', 211, int)
601 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
602
603 #define CMTPCONNADD _IOW('C', 200, int)
604 #define CMTPCONNDEL _IOW('C', 201, int)
605 #define CMTPGETCONNLIST _IOR('C', 210, int)
606 #define CMTPGETCONNINFO _IOR('C', 211, int)
607
608 #define HIDPCONNADD _IOW('H', 200, int)
609 #define HIDPCONNDEL _IOW('H', 201, int)
610 #define HIDPGETCONNLIST _IOR('H', 210, int)
611 #define HIDPGETCONNINFO _IOR('H', 211, int)
612
613
614 struct serial_struct32 {
615 compat_int_t type;
616 compat_int_t line;
617 compat_uint_t port;
618 compat_int_t irq;
619 compat_int_t flags;
620 compat_int_t xmit_fifo_size;
621 compat_int_t custom_divisor;
622 compat_int_t baud_base;
623 unsigned short close_delay;
624 char io_type;
625 char reserved_char[1];
626 compat_int_t hub6;
627 unsigned short closing_wait; /* time to wait before closing */
628 unsigned short closing_wait2; /* no longer used... */
629 compat_uint_t iomem_base;
630 unsigned short iomem_reg_shift;
631 unsigned int port_high;
632 /* compat_ulong_t iomap_base FIXME */
633 compat_int_t reserved[1];
634 };
635
636 static int serial_struct_ioctl(struct file *file,
637 unsigned cmd, struct serial_struct32 __user *ss32)
638 {
639 typedef struct serial_struct32 SS32;
640 int err;
641 struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
642 __u32 udata;
643 unsigned int base;
644 unsigned char *iomem_base;
645
646 if (ss == NULL)
647 return -EFAULT;
648 if (cmd == TIOCSSERIAL) {
649 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
650 get_user(udata, &ss32->iomem_base))
651 return -EFAULT;
652 iomem_base = compat_ptr(udata);
653 if (put_user(iomem_base, &ss->iomem_base) ||
654 convert_in_user(&ss32->iomem_reg_shift,
655 &ss->iomem_reg_shift) ||
656 convert_in_user(&ss32->port_high, &ss->port_high) ||
657 put_user(0UL, &ss->iomap_base))
658 return -EFAULT;
659 }
660 err = do_ioctl(file, cmd, (unsigned long)ss);
661 if (cmd == TIOCGSERIAL && err >= 0) {
662 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
663 get_user(iomem_base, &ss->iomem_base))
664 return -EFAULT;
665 base = (unsigned long)iomem_base >> 32 ?
666 0xffffffff : (unsigned)(unsigned long)iomem_base;
667 if (put_user(base, &ss32->iomem_base) ||
668 convert_in_user(&ss->iomem_reg_shift,
669 &ss32->iomem_reg_shift) ||
670 convert_in_user(&ss->port_high, &ss32->port_high))
671 return -EFAULT;
672 }
673 return err;
674 }
675
676 /*
677 * I2C layer ioctls
678 */
679
680 struct i2c_msg32 {
681 u16 addr;
682 u16 flags;
683 u16 len;
684 compat_caddr_t buf;
685 };
686
687 struct i2c_rdwr_ioctl_data32 {
688 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
689 u32 nmsgs;
690 };
691
692 struct i2c_smbus_ioctl_data32 {
693 u8 read_write;
694 u8 command;
695 u32 size;
696 compat_caddr_t data; /* union i2c_smbus_data *data */
697 };
698
699 struct i2c_rdwr_aligned {
700 struct i2c_rdwr_ioctl_data cmd;
701 struct i2c_msg msgs[0];
702 };
703
704 static int do_i2c_rdwr_ioctl(struct file *file,
705 unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
706 {
707 struct i2c_rdwr_aligned __user *tdata;
708 struct i2c_msg __user *tmsgs;
709 struct i2c_msg32 __user *umsgs;
710 compat_caddr_t datap;
711 u32 nmsgs;
712 int i;
713
714 if (get_user(nmsgs, &udata->nmsgs))
715 return -EFAULT;
716 if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS)
717 return -EINVAL;
718
719 if (get_user(datap, &udata->msgs))
720 return -EFAULT;
721 umsgs = compat_ptr(datap);
722
723 tdata = compat_alloc_user_space(sizeof(*tdata) +
724 nmsgs * sizeof(struct i2c_msg));
725 tmsgs = &tdata->msgs[0];
726
727 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
728 put_user(tmsgs, &tdata->cmd.msgs))
729 return -EFAULT;
730
731 for (i = 0; i < nmsgs; i++) {
732 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
733 return -EFAULT;
734 if (get_user(datap, &umsgs[i].buf) ||
735 put_user(compat_ptr(datap), &tmsgs[i].buf))
736 return -EFAULT;
737 }
738 return do_ioctl(file, cmd, (unsigned long)tdata);
739 }
740
741 static int do_i2c_smbus_ioctl(struct file *file,
742 unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata)
743 {
744 struct i2c_smbus_ioctl_data __user *tdata;
745 union {
746 /* beginnings of those have identical layouts */
747 struct i2c_smbus_ioctl_data32 data32;
748 struct i2c_smbus_ioctl_data data;
749 } v;
750
751 tdata = compat_alloc_user_space(sizeof(*tdata));
752 if (tdata == NULL)
753 return -ENOMEM;
754
755 memset(&v, 0, sizeof(v));
756 if (copy_from_user(&v.data32, udata, sizeof(v.data32)))
757 return -EFAULT;
758 v.data.data = compat_ptr(v.data32.data);
759
760 if (copy_to_user(tdata, &v.data, sizeof(v.data)))
761 return -EFAULT;
762
763 return do_ioctl(file, cmd, (unsigned long)tdata);
764 }
765
766 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
767 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
768 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
769 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
770
771 static int rtc_ioctl(struct file *file,
772 unsigned cmd, void __user *argp)
773 {
774 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
775 int ret;
776
777 if (valp == NULL)
778 return -EFAULT;
779 switch (cmd) {
780 case RTC_IRQP_READ32:
781 case RTC_EPOCH_READ32:
782 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
783 RTC_IRQP_READ : RTC_EPOCH_READ,
784 (unsigned long)valp);
785 if (ret)
786 return ret;
787 return convert_in_user(valp, (unsigned int __user *)argp);
788 case RTC_IRQP_SET32:
789 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
790 case RTC_EPOCH_SET32:
791 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
792 }
793
794 return -ENOIOCTLCMD;
795 }
796
797 /* on ia32 l_start is on a 32-bit boundary */
798 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
799 struct space_resv_32 {
800 __s16 l_type;
801 __s16 l_whence;
802 __s64 l_start __attribute__((packed));
803 /* len == 0 means until end of file */
804 __s64 l_len __attribute__((packed));
805 __s32 l_sysid;
806 __u32 l_pid;
807 __s32 l_pad[4]; /* reserve area */
808 };
809
810 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
811 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
812
813 /* just account for different alignment */
814 static int compat_ioctl_preallocate(struct file *file,
815 struct space_resv_32 __user *p32)
816 {
817 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
818
819 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
820 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
821 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
822 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
823 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
824 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
825 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
826 return -EFAULT;
827
828 return ioctl_preallocate(file, p);
829 }
830 #endif
831
832 /*
833 * simple reversible transform to make our table more evenly
834 * distributed after sorting.
835 */
836 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
837
838 #define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
839 /* ioctl should not be warned about even if it's not implemented.
840 Valid reasons to use this:
841 - It is implemented with ->compat_ioctl on some device, but programs
842 call it on others too.
843 - The ioctl is not implemented in the native kernel, but programs
844 call it commonly anyways.
845 Most other reasons are not valid. */
846 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
847
848 static unsigned int ioctl_pointer[] = {
849 /* compatible ioctls first */
850 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
851 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
852
853 /* Big T */
854 COMPATIBLE_IOCTL(TCGETA)
855 COMPATIBLE_IOCTL(TCSETA)
856 COMPATIBLE_IOCTL(TCSETAW)
857 COMPATIBLE_IOCTL(TCSETAF)
858 COMPATIBLE_IOCTL(TCSBRK)
859 COMPATIBLE_IOCTL(TCXONC)
860 COMPATIBLE_IOCTL(TCFLSH)
861 COMPATIBLE_IOCTL(TCGETS)
862 COMPATIBLE_IOCTL(TCSETS)
863 COMPATIBLE_IOCTL(TCSETSW)
864 COMPATIBLE_IOCTL(TCSETSF)
865 COMPATIBLE_IOCTL(TIOCLINUX)
866 COMPATIBLE_IOCTL(TIOCSBRK)
867 COMPATIBLE_IOCTL(TIOCGDEV)
868 COMPATIBLE_IOCTL(TIOCCBRK)
869 COMPATIBLE_IOCTL(TIOCGSID)
870 COMPATIBLE_IOCTL(TIOCGICOUNT)
871 COMPATIBLE_IOCTL(TIOCGEXCL)
872 /* Little t */
873 COMPATIBLE_IOCTL(TIOCGETD)
874 COMPATIBLE_IOCTL(TIOCSETD)
875 COMPATIBLE_IOCTL(TIOCEXCL)
876 COMPATIBLE_IOCTL(TIOCNXCL)
877 COMPATIBLE_IOCTL(TIOCCONS)
878 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
879 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
880 COMPATIBLE_IOCTL(TIOCSWINSZ)
881 COMPATIBLE_IOCTL(TIOCGWINSZ)
882 COMPATIBLE_IOCTL(TIOCMGET)
883 COMPATIBLE_IOCTL(TIOCMBIC)
884 COMPATIBLE_IOCTL(TIOCMBIS)
885 COMPATIBLE_IOCTL(TIOCMSET)
886 COMPATIBLE_IOCTL(TIOCNOTTY)
887 COMPATIBLE_IOCTL(TIOCSTI)
888 COMPATIBLE_IOCTL(TIOCOUTQ)
889 COMPATIBLE_IOCTL(TIOCSPGRP)
890 COMPATIBLE_IOCTL(TIOCGPGRP)
891 COMPATIBLE_IOCTL(TIOCSERGETLSR)
892 #ifdef TIOCSRS485
893 COMPATIBLE_IOCTL(TIOCSRS485)
894 #endif
895 #ifdef TIOCGRS485
896 COMPATIBLE_IOCTL(TIOCGRS485)
897 #endif
898 #ifdef TCGETS2
899 COMPATIBLE_IOCTL(TCGETS2)
900 COMPATIBLE_IOCTL(TCSETS2)
901 COMPATIBLE_IOCTL(TCSETSW2)
902 COMPATIBLE_IOCTL(TCSETSF2)
903 #endif
904 /* Little f */
905 COMPATIBLE_IOCTL(FIOCLEX)
906 COMPATIBLE_IOCTL(FIONCLEX)
907 COMPATIBLE_IOCTL(FIOASYNC)
908 COMPATIBLE_IOCTL(FIONBIO)
909 COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
910 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
911 /* 0x00 */
912 COMPATIBLE_IOCTL(FIBMAP)
913 COMPATIBLE_IOCTL(FIGETBSZ)
914 /* 'X' - originally XFS but some now in the VFS */
915 COMPATIBLE_IOCTL(FIFREEZE)
916 COMPATIBLE_IOCTL(FITHAW)
917 COMPATIBLE_IOCTL(FITRIM)
918 COMPATIBLE_IOCTL(KDGETKEYCODE)
919 COMPATIBLE_IOCTL(KDSETKEYCODE)
920 COMPATIBLE_IOCTL(KDGKBTYPE)
921 COMPATIBLE_IOCTL(KDGETMODE)
922 COMPATIBLE_IOCTL(KDGKBMODE)
923 COMPATIBLE_IOCTL(KDGKBMETA)
924 COMPATIBLE_IOCTL(KDGKBENT)
925 COMPATIBLE_IOCTL(KDSKBENT)
926 COMPATIBLE_IOCTL(KDGKBSENT)
927 COMPATIBLE_IOCTL(KDSKBSENT)
928 COMPATIBLE_IOCTL(KDGKBDIACR)
929 COMPATIBLE_IOCTL(KDSKBDIACR)
930 COMPATIBLE_IOCTL(KDGKBDIACRUC)
931 COMPATIBLE_IOCTL(KDSKBDIACRUC)
932 COMPATIBLE_IOCTL(KDKBDREP)
933 COMPATIBLE_IOCTL(KDGKBLED)
934 COMPATIBLE_IOCTL(KDGETLED)
935 #ifdef CONFIG_BLOCK
936 /* Big S */
937 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
938 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
939 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
940 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
941 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
942 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
943 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
944 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
945 #endif
946 /* Big V (don't complain on serial console) */
947 IGNORE_IOCTL(VT_OPENQRY)
948 IGNORE_IOCTL(VT_GETMODE)
949 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
950 COMPATIBLE_IOCTL(RTC_AIE_ON)
951 COMPATIBLE_IOCTL(RTC_AIE_OFF)
952 COMPATIBLE_IOCTL(RTC_UIE_ON)
953 COMPATIBLE_IOCTL(RTC_UIE_OFF)
954 COMPATIBLE_IOCTL(RTC_PIE_ON)
955 COMPATIBLE_IOCTL(RTC_PIE_OFF)
956 COMPATIBLE_IOCTL(RTC_WIE_ON)
957 COMPATIBLE_IOCTL(RTC_WIE_OFF)
958 COMPATIBLE_IOCTL(RTC_ALM_SET)
959 COMPATIBLE_IOCTL(RTC_ALM_READ)
960 COMPATIBLE_IOCTL(RTC_RD_TIME)
961 COMPATIBLE_IOCTL(RTC_SET_TIME)
962 COMPATIBLE_IOCTL(RTC_WKALM_SET)
963 COMPATIBLE_IOCTL(RTC_WKALM_RD)
964 /*
965 * These two are only for the sbus rtc driver, but
966 * hwclock tries them on every rtc device first when
967 * running on sparc. On other architectures the entries
968 * are useless but harmless.
969 */
970 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
971 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
972 /* Little m */
973 COMPATIBLE_IOCTL(MTIOCTOP)
974 /* Socket level stuff */
975 COMPATIBLE_IOCTL(FIOQSIZE)
976 #ifdef CONFIG_BLOCK
977 /* md calls this on random blockdevs */
978 IGNORE_IOCTL(RAID_VERSION)
979 /* qemu/qemu-img might call these two on plain files for probing */
980 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
981 IGNORE_IOCTL(FDGETPRM32)
982 /* SG stuff */
983 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
984 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
985 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
986 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
987 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
988 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
989 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
990 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
991 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
992 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
993 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
994 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
995 COMPATIBLE_IOCTL(SG_SET_DEBUG)
996 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
997 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
998 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
999 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
1000 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
1001 COMPATIBLE_IOCTL(SG_SCSI_RESET)
1002 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
1003 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
1004 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
1005 #endif
1006 /* PPP stuff */
1007 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
1008 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
1009 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
1010 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
1011 COMPATIBLE_IOCTL(PPPIOCGUNIT)
1012 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
1013 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
1014 COMPATIBLE_IOCTL(PPPIOCGMRU)
1015 COMPATIBLE_IOCTL(PPPIOCSMRU)
1016 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
1017 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1018 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1019 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1020 /* PPPIOCSCOMPRESS is translated */
1021 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1022 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1023 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1024 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1025 /* PPPIOCSPASS is translated */
1026 /* PPPIOCSACTIVE is translated */
1027 /* PPPIOCGIDLE is translated */
1028 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1029 COMPATIBLE_IOCTL(PPPIOCATTACH)
1030 COMPATIBLE_IOCTL(PPPIOCDETACH)
1031 COMPATIBLE_IOCTL(PPPIOCSMRRU)
1032 COMPATIBLE_IOCTL(PPPIOCCONNECT)
1033 COMPATIBLE_IOCTL(PPPIOCDISCONN)
1034 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1035 COMPATIBLE_IOCTL(PPPIOCGCHAN)
1036 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1037 /* Big A */
1038 /* sparc only */
1039 /* Big Q for sound/OSS */
1040 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1041 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1042 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1043 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1044 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1045 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1046 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1047 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1048 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1049 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1050 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1051 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1052 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1053 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1054 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1055 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1056 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1057 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1058 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1059 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1060 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1061 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1062 /* Big T for sound/OSS */
1063 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1064 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1065 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1066 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1067 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1068 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1069 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1070 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1071 /* Little m for sound/OSS */
1072 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1073 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1074 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1075 /* Big P for sound/OSS */
1076 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1077 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1078 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1079 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1080 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1081 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1082 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1083 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1084 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1085 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1086 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1087 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1088 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1089 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1090 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1091 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1092 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1093 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1094 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1095 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1096 /* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1097 /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1098 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1099 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1100 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1101 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1102 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1103 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1104 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1105 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1106 /* Big C for sound/OSS */
1107 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1108 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1109 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1110 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1111 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1112 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1113 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1114 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1115 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1116 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1117 /* Big M for sound/OSS */
1118 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1119 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1120 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1121 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1122 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1123 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1124 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1125 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1126 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1127 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1128 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1129 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1130 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1131 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1132 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1133 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1134 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1135 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1136 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1137 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1138 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1139 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1140 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1141 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1142 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1143 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1144 /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1145 /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1146 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1147 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1148 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1149 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1150 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1151 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1152 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1153 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1157 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1158 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1159 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1160 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1161 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1162 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1163 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1164 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1165 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1166 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1167 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1168 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1169 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1170 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1171 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1172 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1173 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1174 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1175 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1176 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1177 /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1178 /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1179 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1180 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1181 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1182 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1183 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1184 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1185 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1186 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1188 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1189 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1190 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1191 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1192 COMPATIBLE_IOCTL(OSS_GETVERSION)
1193 /* Raw devices */
1194 COMPATIBLE_IOCTL(RAW_SETBIND)
1195 COMPATIBLE_IOCTL(RAW_GETBIND)
1196 /* Watchdog */
1197 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1198 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1199 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1200 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1201 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1202 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1203 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1204 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1205 COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
1206 COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
1207 /* Big R */
1208 COMPATIBLE_IOCTL(RNDGETENTCNT)
1209 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1210 COMPATIBLE_IOCTL(RNDGETPOOL)
1211 COMPATIBLE_IOCTL(RNDADDENTROPY)
1212 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1213 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1214 /* Bluetooth */
1215 COMPATIBLE_IOCTL(HCIDEVUP)
1216 COMPATIBLE_IOCTL(HCIDEVDOWN)
1217 COMPATIBLE_IOCTL(HCIDEVRESET)
1218 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1219 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1220 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1221 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1222 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1223 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1224 COMPATIBLE_IOCTL(HCISETRAW)
1225 COMPATIBLE_IOCTL(HCISETSCAN)
1226 COMPATIBLE_IOCTL(HCISETAUTH)
1227 COMPATIBLE_IOCTL(HCISETENCRYPT)
1228 COMPATIBLE_IOCTL(HCISETPTYPE)
1229 COMPATIBLE_IOCTL(HCISETLINKPOL)
1230 COMPATIBLE_IOCTL(HCISETLINKMODE)
1231 COMPATIBLE_IOCTL(HCISETACLMTU)
1232 COMPATIBLE_IOCTL(HCISETSCOMTU)
1233 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1234 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1235 COMPATIBLE_IOCTL(HCIINQUIRY)
1236 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1237 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1238 COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
1239 COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
1240 COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
1241 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1242 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1243 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1244 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1245 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1246 COMPATIBLE_IOCTL(BNEPCONNADD)
1247 COMPATIBLE_IOCTL(BNEPCONNDEL)
1248 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1249 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1250 COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
1251 COMPATIBLE_IOCTL(CMTPCONNADD)
1252 COMPATIBLE_IOCTL(CMTPCONNDEL)
1253 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1254 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1255 COMPATIBLE_IOCTL(HIDPCONNADD)
1256 COMPATIBLE_IOCTL(HIDPCONNDEL)
1257 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1258 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1259 /* CAPI */
1260 COMPATIBLE_IOCTL(CAPI_REGISTER)
1261 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1262 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1263 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1264 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1265 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1266 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1267 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1268 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1269 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1270 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1271 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1272 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1273 /* Siemens Gigaset */
1274 COMPATIBLE_IOCTL(GIGASET_REDIR)
1275 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1276 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1277 COMPATIBLE_IOCTL(GIGASET_VERSION)
1278 /* Misc. */
1279 COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1280 COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1281 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1282 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1283 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1284 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1285 /* i2c */
1286 COMPATIBLE_IOCTL(I2C_SLAVE)
1287 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1288 COMPATIBLE_IOCTL(I2C_TENBIT)
1289 COMPATIBLE_IOCTL(I2C_PEC)
1290 COMPATIBLE_IOCTL(I2C_RETRIES)
1291 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1292 /* hiddev */
1293 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1294 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1295 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1296 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1297 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1298 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1299 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1300 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1301 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1302 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1303 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1304 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1305 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1306 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1307 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1308 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1309 /* dvb */
1310 COMPATIBLE_IOCTL(AUDIO_STOP)
1311 COMPATIBLE_IOCTL(AUDIO_PLAY)
1312 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1313 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1314 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1315 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1316 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1317 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1318 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1319 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1320 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1321 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1322 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1323 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1324 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1325 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1326 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1327 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1328 COMPATIBLE_IOCTL(DMX_START)
1329 COMPATIBLE_IOCTL(DMX_STOP)
1330 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1331 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1332 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1333 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1334 COMPATIBLE_IOCTL(DMX_GET_STC)
1335 COMPATIBLE_IOCTL(FE_GET_INFO)
1336 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1337 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1338 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1339 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1340 COMPATIBLE_IOCTL(FE_SET_TONE)
1341 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1342 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1343 COMPATIBLE_IOCTL(FE_READ_STATUS)
1344 COMPATIBLE_IOCTL(FE_READ_BER)
1345 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1346 COMPATIBLE_IOCTL(FE_READ_SNR)
1347 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1348 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1349 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1350 COMPATIBLE_IOCTL(FE_GET_EVENT)
1351 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1352 COMPATIBLE_IOCTL(VIDEO_STOP)
1353 COMPATIBLE_IOCTL(VIDEO_PLAY)
1354 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1355 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1356 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1357 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1358 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1359 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1360 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1361 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1362 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1363 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1364 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1365 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1366 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1367 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1368 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1369 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1370 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1371 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1372 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1373 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1374 /* cec */
1375 COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
1376 COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
1377 COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
1378 COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
1379 COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
1380 COMPATIBLE_IOCTL(CEC_G_MODE)
1381 COMPATIBLE_IOCTL(CEC_S_MODE)
1382 COMPATIBLE_IOCTL(CEC_TRANSMIT)
1383 COMPATIBLE_IOCTL(CEC_RECEIVE)
1384 COMPATIBLE_IOCTL(CEC_DQEVENT)
1385
1386 /* joystick */
1387 COMPATIBLE_IOCTL(JSIOCGVERSION)
1388 COMPATIBLE_IOCTL(JSIOCGAXES)
1389 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1390 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1391
1392 #ifdef TIOCGLTC
1393 COMPATIBLE_IOCTL(TIOCGLTC)
1394 COMPATIBLE_IOCTL(TIOCSLTC)
1395 #endif
1396 #ifdef TIOCSTART
1397 /*
1398 * For these two we have definitions in ioctls.h and/or termios.h on
1399 * some architectures but no actual implemention. Some applications
1400 * like bash call them if they are defined in the headers, so we provide
1401 * entries here to avoid syslog message spew.
1402 */
1403 COMPATIBLE_IOCTL(TIOCSTART)
1404 COMPATIBLE_IOCTL(TIOCSTOP)
1405 #endif
1406
1407 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1408 but we don't want warnings on other file systems. So declare
1409 them as compatible here. */
1410 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1411 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1412
1413 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1414 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1415
1416 #ifdef CONFIG_SPARC
1417 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1418 IGNORE_IOCTL(FBIOGTYPE)
1419 IGNORE_IOCTL(FBIOSATTR)
1420 IGNORE_IOCTL(FBIOGATTR)
1421 IGNORE_IOCTL(FBIOSVIDEO)
1422 IGNORE_IOCTL(FBIOGVIDEO)
1423 IGNORE_IOCTL(FBIOSCURPOS)
1424 IGNORE_IOCTL(FBIOGCURPOS)
1425 IGNORE_IOCTL(FBIOGCURMAX)
1426 IGNORE_IOCTL(FBIOPUTCMAP32)
1427 IGNORE_IOCTL(FBIOGETCMAP32)
1428 IGNORE_IOCTL(FBIOSCURSOR32)
1429 IGNORE_IOCTL(FBIOGCURSOR32)
1430 #endif
1431 };
1432
1433 /*
1434 * Convert common ioctl arguments based on their command number
1435 *
1436 * Please do not add any code in here. Instead, implement
1437 * a compat_ioctl operation in the place that handleѕ the
1438 * ioctl for the native case.
1439 */
1440 static long do_ioctl_trans(unsigned int cmd,
1441 unsigned long arg, struct file *file)
1442 {
1443 void __user *argp = compat_ptr(arg);
1444
1445 switch (cmd) {
1446 case PPPIOCGIDLE32:
1447 return ppp_gidle(file, cmd, argp);
1448 case PPPIOCSCOMPRESS32:
1449 return ppp_scompress(file, cmd, argp);
1450 case PPPIOCSPASS32:
1451 case PPPIOCSACTIVE32:
1452 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
1453 #ifdef CONFIG_BLOCK
1454 case SG_IO:
1455 return sg_ioctl_trans(file, cmd, argp);
1456 case SG_GET_REQUEST_TABLE:
1457 return sg_grt_trans(file, cmd, argp);
1458 case MTIOCGET32:
1459 case MTIOCPOS32:
1460 return mt_ioctl_trans(file, cmd, argp);
1461 #endif
1462 /* Serial */
1463 case TIOCGSERIAL:
1464 case TIOCSSERIAL:
1465 return serial_struct_ioctl(file, cmd, argp);
1466 /* i2c */
1467 case I2C_FUNCS:
1468 return w_long(file, cmd, argp);
1469 case I2C_RDWR:
1470 return do_i2c_rdwr_ioctl(file, cmd, argp);
1471 case I2C_SMBUS:
1472 return do_i2c_smbus_ioctl(file, cmd, argp);
1473 /* Not implemented in the native kernel */
1474 case RTC_IRQP_READ32:
1475 case RTC_IRQP_SET32:
1476 case RTC_EPOCH_READ32:
1477 case RTC_EPOCH_SET32:
1478 return rtc_ioctl(file, cmd, argp);
1479
1480 /* dvb */
1481 case VIDEO_GET_EVENT32:
1482 return do_video_get_event(file, cmd, argp);
1483 case VIDEO_STILLPICTURE32:
1484 return do_video_stillpicture(file, cmd, argp);
1485 case VIDEO_SET_SPU_PALETTE:
1486 return do_video_set_spu_palette(file, cmd, argp);
1487 }
1488
1489 /*
1490 * These take an integer instead of a pointer as 'arg',
1491 * so we must not do a compat_ptr() translation.
1492 */
1493 switch (cmd) {
1494 /* Big T */
1495 case TCSBRKP:
1496 case TIOCMIWAIT:
1497 case TIOCSCTTY:
1498 /* RAID */
1499 case HOT_REMOVE_DISK:
1500 case HOT_ADD_DISK:
1501 case SET_DISK_FAULTY:
1502 case SET_BITMAP_FILE:
1503 /* Big K */
1504 case KDSIGACCEPT:
1505 case KIOCSOUND:
1506 case KDMKTONE:
1507 case KDSETMODE:
1508 case KDSKBMODE:
1509 case KDSKBMETA:
1510 case KDSKBLED:
1511 case KDSETLED:
1512 return vfs_ioctl(file, cmd, arg);
1513 }
1514
1515 return -ENOIOCTLCMD;
1516 }
1517
1518 static int compat_ioctl_check_table(unsigned int xcmd)
1519 {
1520 int i;
1521 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1522
1523 BUILD_BUG_ON(max >= (1 << 16));
1524
1525 /* guess initial offset into table, assuming a
1526 normalized distribution */
1527 i = ((xcmd >> 16) * max) >> 16;
1528
1529 /* do linear search up first, until greater or equal */
1530 while (ioctl_pointer[i] < xcmd && i < max)
1531 i++;
1532
1533 /* then do linear search down */
1534 while (ioctl_pointer[i] > xcmd && i > 0)
1535 i--;
1536
1537 return ioctl_pointer[i] == xcmd;
1538 }
1539
1540 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1541 compat_ulong_t, arg32)
1542 {
1543 unsigned long arg = arg32;
1544 struct fd f = fdget(fd);
1545 int error = -EBADF;
1546 if (!f.file)
1547 goto out;
1548
1549 /* RED-PEN how should LSM module know it's handling 32bit? */
1550 error = security_file_ioctl(f.file, cmd, arg);
1551 if (error)
1552 goto out_fput;
1553
1554 /*
1555 * To allow the compat_ioctl handlers to be self contained
1556 * we need to check the common ioctls here first.
1557 * Just handle them with the standard handlers below.
1558 */
1559 switch (cmd) {
1560 case FIOCLEX:
1561 case FIONCLEX:
1562 case FIONBIO:
1563 case FIOASYNC:
1564 case FIOQSIZE:
1565 break;
1566
1567 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1568 case FS_IOC_RESVSP_32:
1569 case FS_IOC_RESVSP64_32:
1570 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1571 goto out_fput;
1572 #else
1573 case FS_IOC_RESVSP:
1574 case FS_IOC_RESVSP64:
1575 error = ioctl_preallocate(f.file, compat_ptr(arg));
1576 goto out_fput;
1577 #endif
1578
1579 case FICLONE:
1580 goto do_ioctl;
1581 case FICLONERANGE:
1582 case FIDEDUPERANGE:
1583 goto found_handler;
1584
1585 case FIBMAP:
1586 case FIGETBSZ:
1587 case FIONREAD:
1588 if (S_ISREG(file_inode(f.file)->i_mode))
1589 break;
1590 /*FALL THROUGH*/
1591
1592 default:
1593 if (f.file->f_op->compat_ioctl) {
1594 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1595 if (error != -ENOIOCTLCMD)
1596 goto out_fput;
1597 }
1598
1599 if (!f.file->f_op->unlocked_ioctl)
1600 goto do_ioctl;
1601 break;
1602 }
1603
1604 if (compat_ioctl_check_table(XFORM(cmd)))
1605 goto found_handler;
1606
1607 error = do_ioctl_trans(cmd, arg, f.file);
1608 if (error == -ENOIOCTLCMD)
1609 error = -ENOTTY;
1610
1611 goto out_fput;
1612
1613 found_handler:
1614 arg = (unsigned long)compat_ptr(arg);
1615 do_ioctl:
1616 error = do_vfs_ioctl(f.file, fd, cmd, arg);
1617 out_fput:
1618 fdput(f);
1619 out:
1620 return error;
1621 }
1622
1623 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1624 {
1625 unsigned int a, b;
1626 a = *(unsigned int *)p;
1627 b = *(unsigned int *)q;
1628 if (a > b)
1629 return 1;
1630 if (a < b)
1631 return -1;
1632 return 0;
1633 }
1634
1635 static int __init init_sys32_ioctl(void)
1636 {
1637 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1638 init_sys32_ioctl_cmp, NULL);
1639 return 0;
1640 }
1641 __initcall(init_sys32_ioctl);
Linux with added FPC-III support