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kernel:optimize cdp thermal charGing limitation
[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / fs / compat_ioctl.c
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
165 static int do_video_get_event(struct file *file,
166 unsigned int cmd, struct compat_video_event __user *up)
167 {
168 struct video_event __user *kevent =
169 compat_alloc_user_space(sizeof(*kevent));
170 int err;
171
172 if (kevent == NULL)
173 return -EFAULT;
174
175 err = do_ioctl(file, cmd, (unsigned long)kevent);
176 if (!err) {
177 err = convert_in_user(&kevent->type, &up->type);
178 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
179 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
180 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
181 err |= convert_in_user(&kevent->u.size.aspect_ratio,
182 &up->u.size.aspect_ratio);
183 if (err)
184 err = -EFAULT;
185 }
186
187 return err;
188 }
189
190 struct compat_video_still_picture {
191 compat_uptr_t iFrame;
192 int32_t size;
193 };
194
195 static int do_video_stillpicture(struct file *file,
196 unsigned int cmd, struct compat_video_still_picture __user *up)
197 {
198 struct video_still_picture __user *up_native;
199 compat_uptr_t fp;
200 int32_t size;
201 int err;
202
203 err = get_user(fp, &up->iFrame);
204 err |= get_user(size, &up->size);
205 if (err)
206 return -EFAULT;
207
208 up_native =
209 compat_alloc_user_space(sizeof(struct video_still_picture));
210
211 err = put_user(compat_ptr(fp), &up_native->iFrame);
212 err |= put_user(size, &up_native->size);
213 if (err)
214 return -EFAULT;
215
216 err = do_ioctl(file, cmd, (unsigned long) up_native);
217
218 return err;
219 }
220
221 struct compat_video_spu_palette {
222 int length;
223 compat_uptr_t palette;
224 };
225
226 static int do_video_set_spu_palette(struct file *file,
227 unsigned int cmd, struct compat_video_spu_palette __user *up)
228 {
229 struct video_spu_palette __user *up_native;
230 compat_uptr_t palp;
231 int length, err;
232
233 err = get_user(palp, &up->palette);
234 err |= get_user(length, &up->length);
235 if (err)
236 return -EFAULT;
237
238 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
239 err = put_user(compat_ptr(palp), &up_native->palette);
240 err |= put_user(length, &up_native->length);
241 if (err)
242 return -EFAULT;
243
244 err = do_ioctl(file, cmd, (unsigned long) up_native);
245
246 return err;
247 }
248
249 #ifdef CONFIG_BLOCK
250 typedef struct sg_io_hdr32 {
251 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
252 compat_int_t dxfer_direction; /* [i] data transfer direction */
253 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
254 unsigned char mx_sb_len; /* [i] max length to write to sbp */
255 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
256 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
257 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
258 or scatter gather list */
259 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
260 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
261 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
262 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
263 compat_int_t pack_id; /* [i->o] unused internally (normally) */
264 compat_uptr_t usr_ptr; /* [i->o] unused internally */
265 unsigned char status; /* [o] scsi status */
266 unsigned char masked_status; /* [o] shifted, masked scsi status */
267 unsigned char msg_status; /* [o] messaging level data (optional) */
268 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
269 unsigned short host_status; /* [o] errors from host adapter */
270 unsigned short driver_status; /* [o] errors from software driver */
271 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
272 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
273 compat_uint_t info; /* [o] auxiliary information */
274 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
275
276 typedef struct sg_iovec32 {
277 compat_uint_t iov_base;
278 compat_uint_t iov_len;
279 } sg_iovec32_t;
280
281 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
282 {
283 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
284 sg_iovec32_t __user *iov32 = dxferp;
285 int i;
286
287 for (i = 0; i < iovec_count; i++) {
288 u32 base, len;
289
290 if (get_user(base, &iov32[i].iov_base) ||
291 get_user(len, &iov32[i].iov_len) ||
292 put_user(compat_ptr(base), &iov[i].iov_base) ||
293 put_user(len, &iov[i].iov_len))
294 return -EFAULT;
295 }
296
297 if (put_user(iov, &sgio->dxferp))
298 return -EFAULT;
299 return 0;
300 }
301
302 static int sg_ioctl_trans(struct file *file, unsigned int cmd,
303 sg_io_hdr32_t __user *sgio32)
304 {
305 sg_io_hdr_t __user *sgio;
306 u16 iovec_count;
307 u32 data;
308 void __user *dxferp;
309 int err;
310 int interface_id;
311
312 if (get_user(interface_id, &sgio32->interface_id))
313 return -EFAULT;
314 if (interface_id != 'S')
315 return do_ioctl(file, cmd, (unsigned long)sgio32);
316
317 if (get_user(iovec_count, &sgio32->iovec_count))
318 return -EFAULT;
319
320 {
321 void __user *top = compat_alloc_user_space(0);
322 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
323 (iovec_count * sizeof(sg_iovec_t)));
324 if (new > top)
325 return -EINVAL;
326
327 sgio = new;
328 }
329
330 /* Ok, now construct. */
331 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
332 (2 * sizeof(int)) +
333 (2 * sizeof(unsigned char)) +
334 (1 * sizeof(unsigned short)) +
335 (1 * sizeof(unsigned int))))
336 return -EFAULT;
337
338 if (get_user(data, &sgio32->dxferp))
339 return -EFAULT;
340 dxferp = compat_ptr(data);
341 if (iovec_count) {
342 if (sg_build_iovec(sgio, dxferp, iovec_count))
343 return -EFAULT;
344 } else {
345 if (put_user(dxferp, &sgio->dxferp))
346 return -EFAULT;
347 }
348
349 {
350 unsigned char __user *cmdp;
351 unsigned char __user *sbp;
352
353 if (get_user(data, &sgio32->cmdp))
354 return -EFAULT;
355 cmdp = compat_ptr(data);
356
357 if (get_user(data, &sgio32->sbp))
358 return -EFAULT;
359 sbp = compat_ptr(data);
360
361 if (put_user(cmdp, &sgio->cmdp) ||
362 put_user(sbp, &sgio->sbp))
363 return -EFAULT;
364 }
365
366 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
367 3 * sizeof(int)))
368 return -EFAULT;
369
370 if (get_user(data, &sgio32->usr_ptr))
371 return -EFAULT;
372 if (put_user(compat_ptr(data), &sgio->usr_ptr))
373 return -EFAULT;
374
375 err = do_ioctl(file, cmd, (unsigned long) sgio);
376
377 if (err >= 0) {
378 void __user *datap;
379
380 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
381 sizeof(int)) ||
382 get_user(datap, &sgio->usr_ptr) ||
383 put_user((u32)(unsigned long)datap,
384 &sgio32->usr_ptr) ||
385 copy_in_user(&sgio32->status, &sgio->status,
386 (4 * sizeof(unsigned char)) +
387 (2 * sizeof(unsigned short)) +
388 (3 * sizeof(int))))
389 err = -EFAULT;
390 }
391
392 return err;
393 }
394
395 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
396 char req_state;
397 char orphan;
398 char sg_io_owned;
399 char problem;
400 int pack_id;
401 compat_uptr_t usr_ptr;
402 unsigned int duration;
403 int unused;
404 };
405
406 static int sg_grt_trans(struct file *file,
407 unsigned int cmd, struct compat_sg_req_info __user *o)
408 {
409 int err, i;
410 sg_req_info_t __user *r;
411 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
412 err = do_ioctl(file, cmd, (unsigned long)r);
413 if (err < 0)
414 return err;
415 for (i = 0; i < SG_MAX_QUEUE; i++) {
416 void __user *ptr;
417 int d;
418
419 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
420 get_user(ptr, &r[i].usr_ptr) ||
421 get_user(d, &r[i].duration) ||
422 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
423 put_user(d, &o[i].duration))
424 return -EFAULT;
425 }
426 return err;
427 }
428 #endif /* CONFIG_BLOCK */
429
430 struct sock_fprog32 {
431 unsigned short len;
432 compat_caddr_t filter;
433 };
434
435 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
436 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
437
438 static int ppp_sock_fprog_ioctl_trans(struct file *file,
439 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
440 {
441 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
442 void __user *fptr64;
443 u32 fptr32;
444 u16 flen;
445
446 if (get_user(flen, &u_fprog32->len) ||
447 get_user(fptr32, &u_fprog32->filter))
448 return -EFAULT;
449
450 fptr64 = compat_ptr(fptr32);
451
452 if (put_user(flen, &u_fprog64->len) ||
453 put_user(fptr64, &u_fprog64->filter))
454 return -EFAULT;
455
456 if (cmd == PPPIOCSPASS32)
457 cmd = PPPIOCSPASS;
458 else
459 cmd = PPPIOCSACTIVE;
460
461 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
462 }
463
464 struct ppp_option_data32 {
465 compat_caddr_t ptr;
466 u32 length;
467 compat_int_t transmit;
468 };
469 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
470
471 struct ppp_idle32 {
472 compat_time_t xmit_idle;
473 compat_time_t recv_idle;
474 };
475 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
476
477 static int ppp_gidle(struct file *file, unsigned int cmd,
478 struct ppp_idle32 __user *idle32)
479 {
480 struct ppp_idle __user *idle;
481 __kernel_time_t xmit, recv;
482 int err;
483
484 idle = compat_alloc_user_space(sizeof(*idle));
485
486 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
487
488 if (!err) {
489 if (get_user(xmit, &idle->xmit_idle) ||
490 get_user(recv, &idle->recv_idle) ||
491 put_user(xmit, &idle32->xmit_idle) ||
492 put_user(recv, &idle32->recv_idle))
493 err = -EFAULT;
494 }
495 return err;
496 }
497
498 static int ppp_scompress(struct file *file, unsigned int cmd,
499 struct ppp_option_data32 __user *odata32)
500 {
501 struct ppp_option_data __user *odata;
502 __u32 data;
503 void __user *datap;
504
505 odata = compat_alloc_user_space(sizeof(*odata));
506
507 if (get_user(data, &odata32->ptr))
508 return -EFAULT;
509
510 datap = compat_ptr(data);
511 if (put_user(datap, &odata->ptr))
512 return -EFAULT;
513
514 if (copy_in_user(&odata->length, &odata32->length,
515 sizeof(__u32) + sizeof(int)))
516 return -EFAULT;
517
518 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
519 }
520
521 #ifdef CONFIG_BLOCK
522 struct mtget32 {
523 compat_long_t mt_type;
524 compat_long_t mt_resid;
525 compat_long_t mt_dsreg;
526 compat_long_t mt_gstat;
527 compat_long_t mt_erreg;
528 compat_daddr_t mt_fileno;
529 compat_daddr_t mt_blkno;
530 };
531 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
532
533 struct mtpos32 {
534 compat_long_t mt_blkno;
535 };
536 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
537
538 static int mt_ioctl_trans(struct file *file,
539 unsigned int cmd, void __user *argp)
540 {
541 /* NULL initialization to make gcc shut up */
542 struct mtget __user *get = NULL;
543 struct mtget32 __user *umget32;
544 struct mtpos __user *pos = NULL;
545 struct mtpos32 __user *upos32;
546 unsigned long kcmd;
547 void *karg;
548 int err = 0;
549
550 switch(cmd) {
551 case MTIOCPOS32:
552 kcmd = MTIOCPOS;
553 pos = compat_alloc_user_space(sizeof(*pos));
554 karg = pos;
555 break;
556 default: /* MTIOCGET32 */
557 kcmd = MTIOCGET;
558 get = compat_alloc_user_space(sizeof(*get));
559 karg = get;
560 break;
561 }
562 if (karg == NULL)
563 return -EFAULT;
564 err = do_ioctl(file, kcmd, (unsigned long)karg);
565 if (err)
566 return err;
567 switch (cmd) {
568 case MTIOCPOS32:
569 upos32 = argp;
570 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
571 break;
572 case MTIOCGET32:
573 umget32 = argp;
574 err = convert_in_user(&get->mt_type, &umget32->mt_type);
575 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
576 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
577 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
578 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
579 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
580 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
581 break;
582 }
583 return err ? -EFAULT: 0;
584 }
585
586 #endif /* CONFIG_BLOCK */
587
588 /* Bluetooth ioctls */
589 #define HCIUARTSETPROTO _IOW('U', 200, int)
590 #define HCIUARTGETPROTO _IOR('U', 201, int)
591 #define HCIUARTGETDEVICE _IOR('U', 202, int)
592 #define HCIUARTSETFLAGS _IOW('U', 203, int)
593 #define HCIUARTGETFLAGS _IOR('U', 204, int)
594
595 #define BNEPCONNADD _IOW('B', 200, int)
596 #define BNEPCONNDEL _IOW('B', 201, int)
597 #define BNEPGETCONNLIST _IOR('B', 210, int)
598 #define BNEPGETCONNINFO _IOR('B', 211, int)
599 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
600
601 #define CMTPCONNADD _IOW('C', 200, int)
602 #define CMTPCONNDEL _IOW('C', 201, int)
603 #define CMTPGETCONNLIST _IOR('C', 210, int)
604 #define CMTPGETCONNINFO _IOR('C', 211, int)
605
606 #define HIDPCONNADD _IOW('H', 200, int)
607 #define HIDPCONNDEL _IOW('H', 201, int)
608 #define HIDPGETCONNLIST _IOR('H', 210, int)
609 #define HIDPGETCONNINFO _IOR('H', 211, int)
610
611
612 struct serial_struct32 {
613 compat_int_t type;
614 compat_int_t line;
615 compat_uint_t port;
616 compat_int_t irq;
617 compat_int_t flags;
618 compat_int_t xmit_fifo_size;
619 compat_int_t custom_divisor;
620 compat_int_t baud_base;
621 unsigned short close_delay;
622 char io_type;
623 char reserved_char[1];
624 compat_int_t hub6;
625 unsigned short closing_wait; /* time to wait before closing */
626 unsigned short closing_wait2; /* no longer used... */
627 compat_uint_t iomem_base;
628 unsigned short iomem_reg_shift;
629 unsigned int port_high;
630 /* compat_ulong_t iomap_base FIXME */
631 compat_int_t reserved[1];
632 };
633
634 static int serial_struct_ioctl(struct file *file,
635 unsigned cmd, struct serial_struct32 __user *ss32)
636 {
637 typedef struct serial_struct32 SS32;
638 int err;
639 struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
640 __u32 udata;
641 unsigned int base;
642 unsigned char *iomem_base;
643
644 if (ss == NULL)
645 return -EFAULT;
646 if (cmd == TIOCSSERIAL) {
647 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
648 get_user(udata, &ss32->iomem_base))
649 return -EFAULT;
650 iomem_base = compat_ptr(udata);
651 if (put_user(iomem_base, &ss->iomem_base) ||
652 convert_in_user(&ss32->iomem_reg_shift,
653 &ss->iomem_reg_shift) ||
654 convert_in_user(&ss32->port_high, &ss->port_high) ||
655 put_user(0UL, &ss->iomap_base))
656 return -EFAULT;
657 }
658 err = do_ioctl(file, cmd, (unsigned long)ss);
659 if (cmd == TIOCGSERIAL && err >= 0) {
660 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
661 get_user(iomem_base, &ss->iomem_base))
662 return -EFAULT;
663 base = (unsigned long)iomem_base >> 32 ?
664 0xffffffff : (unsigned)(unsigned long)iomem_base;
665 if (put_user(base, &ss32->iomem_base) ||
666 convert_in_user(&ss->iomem_reg_shift,
667 &ss32->iomem_reg_shift) ||
668 convert_in_user(&ss->port_high, &ss32->port_high))
669 return -EFAULT;
670 }
671 return err;
672 }
673
674 /*
675 * I2C layer ioctls
676 */
677
678 struct i2c_msg32 {
679 u16 addr;
680 u16 flags;
681 u16 len;
682 compat_caddr_t buf;
683 };
684
685 struct i2c_rdwr_ioctl_data32 {
686 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
687 u32 nmsgs;
688 };
689
690 struct i2c_smbus_ioctl_data32 {
691 u8 read_write;
692 u8 command;
693 u32 size;
694 compat_caddr_t data; /* union i2c_smbus_data *data */
695 };
696
697 struct i2c_rdwr_aligned {
698 struct i2c_rdwr_ioctl_data cmd;
699 struct i2c_msg msgs[0];
700 };
701
702 static int do_i2c_rdwr_ioctl(struct file *file,
703 unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
704 {
705 struct i2c_rdwr_aligned __user *tdata;
706 struct i2c_msg __user *tmsgs;
707 struct i2c_msg32 __user *umsgs;
708 compat_caddr_t datap;
709 u32 nmsgs;
710 int i;
711
712 if (get_user(nmsgs, &udata->nmsgs))
713 return -EFAULT;
714 if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS)
715 return -EINVAL;
716
717 if (get_user(datap, &udata->msgs))
718 return -EFAULT;
719 umsgs = compat_ptr(datap);
720
721 tdata = compat_alloc_user_space(sizeof(*tdata) +
722 nmsgs * sizeof(struct i2c_msg));
723 tmsgs = &tdata->msgs[0];
724
725 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
726 put_user(tmsgs, &tdata->cmd.msgs))
727 return -EFAULT;
728
729 for (i = 0; i < nmsgs; i++) {
730 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
731 return -EFAULT;
732 if (get_user(datap, &umsgs[i].buf) ||
733 put_user(compat_ptr(datap), &tmsgs[i].buf))
734 return -EFAULT;
735 }
736 return do_ioctl(file, cmd, (unsigned long)tdata);
737 }
738
739 static int do_i2c_smbus_ioctl(struct file *file,
740 unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata)
741 {
742 struct i2c_smbus_ioctl_data __user *tdata;
743 union {
744 /* beginnings of those have identical layouts */
745 struct i2c_smbus_ioctl_data32 data32;
746 struct i2c_smbus_ioctl_data data;
747 } v;
748
749 tdata = compat_alloc_user_space(sizeof(*tdata));
750 if (tdata == NULL)
751 return -ENOMEM;
752
753 memset(&v, 0, sizeof(v));
754 if (copy_from_user(&v.data32, udata, sizeof(v.data32)))
755 return -EFAULT;
756 v.data.data = compat_ptr(v.data32.data);
757
758 if (copy_to_user(tdata, &v.data, sizeof(v.data)))
759 return -EFAULT;
760
761 return do_ioctl(file, cmd, (unsigned long)tdata);
762 }
763
764 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
765 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
766 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
767 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
768
769 static int rtc_ioctl(struct file *file,
770 unsigned cmd, void __user *argp)
771 {
772 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
773 int ret;
774
775 if (valp == NULL)
776 return -EFAULT;
777 switch (cmd) {
778 case RTC_IRQP_READ32:
779 case RTC_EPOCH_READ32:
780 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
781 RTC_IRQP_READ : RTC_EPOCH_READ,
782 (unsigned long)valp);
783 if (ret)
784 return ret;
785 return convert_in_user(valp, (unsigned int __user *)argp);
786 case RTC_IRQP_SET32:
787 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
788 case RTC_EPOCH_SET32:
789 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
790 }
791
792 return -ENOIOCTLCMD;
793 }
794
795 /* on ia32 l_start is on a 32-bit boundary */
796 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
797 struct space_resv_32 {
798 __s16 l_type;
799 __s16 l_whence;
800 __s64 l_start __attribute__((packed));
801 /* len == 0 means until end of file */
802 __s64 l_len __attribute__((packed));
803 __s32 l_sysid;
804 __u32 l_pid;
805 __s32 l_pad[4]; /* reserve area */
806 };
807
808 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
809 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
810
811 /* just account for different alignment */
812 static int compat_ioctl_preallocate(struct file *file,
813 struct space_resv_32 __user *p32)
814 {
815 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
816
817 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
818 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
819 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
820 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
821 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
822 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
823 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
824 return -EFAULT;
825
826 return ioctl_preallocate(file, p);
827 }
828 #endif
829
830 /*
831 * simple reversible transform to make our table more evenly
832 * distributed after sorting.
833 */
834 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
835
836 #define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
837 /* ioctl should not be warned about even if it's not implemented.
838 Valid reasons to use this:
839 - It is implemented with ->compat_ioctl on some device, but programs
840 call it on others too.
841 - The ioctl is not implemented in the native kernel, but programs
842 call it commonly anyways.
843 Most other reasons are not valid. */
844 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
845
846 static unsigned int ioctl_pointer[] = {
847 /* compatible ioctls first */
848 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
849 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
850
851 /* Big T */
852 COMPATIBLE_IOCTL(TCGETA)
853 COMPATIBLE_IOCTL(TCSETA)
854 COMPATIBLE_IOCTL(TCSETAW)
855 COMPATIBLE_IOCTL(TCSETAF)
856 COMPATIBLE_IOCTL(TCSBRK)
857 COMPATIBLE_IOCTL(TCXONC)
858 COMPATIBLE_IOCTL(TCFLSH)
859 COMPATIBLE_IOCTL(TCGETS)
860 COMPATIBLE_IOCTL(TCSETS)
861 COMPATIBLE_IOCTL(TCSETSW)
862 COMPATIBLE_IOCTL(TCSETSF)
863 COMPATIBLE_IOCTL(TIOCLINUX)
864 COMPATIBLE_IOCTL(TIOCSBRK)
865 COMPATIBLE_IOCTL(TIOCGDEV)
866 COMPATIBLE_IOCTL(TIOCCBRK)
867 COMPATIBLE_IOCTL(TIOCGSID)
868 COMPATIBLE_IOCTL(TIOCGICOUNT)
869 COMPATIBLE_IOCTL(TIOCGEXCL)
870 /* Little t */
871 COMPATIBLE_IOCTL(TIOCGETD)
872 COMPATIBLE_IOCTL(TIOCSETD)
873 COMPATIBLE_IOCTL(TIOCEXCL)
874 COMPATIBLE_IOCTL(TIOCNXCL)
875 COMPATIBLE_IOCTL(TIOCCONS)
876 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
877 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
878 COMPATIBLE_IOCTL(TIOCSWINSZ)
879 COMPATIBLE_IOCTL(TIOCGWINSZ)
880 COMPATIBLE_IOCTL(TIOCMGET)
881 COMPATIBLE_IOCTL(TIOCMBIC)
882 COMPATIBLE_IOCTL(TIOCMBIS)
883 COMPATIBLE_IOCTL(TIOCMSET)
884 COMPATIBLE_IOCTL(TIOCNOTTY)
885 COMPATIBLE_IOCTL(TIOCSTI)
886 COMPATIBLE_IOCTL(TIOCOUTQ)
887 COMPATIBLE_IOCTL(TIOCSPGRP)
888 COMPATIBLE_IOCTL(TIOCGPGRP)
889 COMPATIBLE_IOCTL(TIOCSERGETLSR)
890 #ifdef TIOCSRS485
891 COMPATIBLE_IOCTL(TIOCSRS485)
892 #endif
893 #ifdef TIOCGRS485
894 COMPATIBLE_IOCTL(TIOCGRS485)
895 #endif
896 #ifdef TCGETS2
897 COMPATIBLE_IOCTL(TCGETS2)
898 COMPATIBLE_IOCTL(TCSETS2)
899 COMPATIBLE_IOCTL(TCSETSW2)
900 COMPATIBLE_IOCTL(TCSETSF2)
901 #endif
902 /* Little f */
903 COMPATIBLE_IOCTL(FIOCLEX)
904 COMPATIBLE_IOCTL(FIONCLEX)
905 COMPATIBLE_IOCTL(FIOASYNC)
906 COMPATIBLE_IOCTL(FIONBIO)
907 COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
908 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
909 /* 0x00 */
910 COMPATIBLE_IOCTL(FIBMAP)
911 COMPATIBLE_IOCTL(FIGETBSZ)
912 /* 'X' - originally XFS but some now in the VFS */
913 COMPATIBLE_IOCTL(FIFREEZE)
914 COMPATIBLE_IOCTL(FITHAW)
915 COMPATIBLE_IOCTL(FITRIM)
916 COMPATIBLE_IOCTL(KDGETKEYCODE)
917 COMPATIBLE_IOCTL(KDSETKEYCODE)
918 COMPATIBLE_IOCTL(KDGKBTYPE)
919 COMPATIBLE_IOCTL(KDGETMODE)
920 COMPATIBLE_IOCTL(KDGKBMODE)
921 COMPATIBLE_IOCTL(KDGKBMETA)
922 COMPATIBLE_IOCTL(KDGKBENT)
923 COMPATIBLE_IOCTL(KDSKBENT)
924 COMPATIBLE_IOCTL(KDGKBSENT)
925 COMPATIBLE_IOCTL(KDSKBSENT)
926 COMPATIBLE_IOCTL(KDGKBDIACR)
927 COMPATIBLE_IOCTL(KDSKBDIACR)
928 COMPATIBLE_IOCTL(KDGKBDIACRUC)
929 COMPATIBLE_IOCTL(KDSKBDIACRUC)
930 COMPATIBLE_IOCTL(KDKBDREP)
931 COMPATIBLE_IOCTL(KDGKBLED)
932 COMPATIBLE_IOCTL(KDGETLED)
933 #ifdef CONFIG_BLOCK
934 /* Big S */
935 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
936 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
937 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
938 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
939 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
940 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
941 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
942 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
943 COMPATIBLE_IOCTL(SCSI_IOCTL_SECURITY_PROTOCOL_IN)
944 COMPATIBLE_IOCTL(SCSI_IOCTL_SECURITY_PROTOCOL_OUT)
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 /* PPPOX */
1038 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1039 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
1040 /* Big A */
1041 /* sparc only */
1042 /* Big Q for sound/OSS */
1043 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1044 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1045 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1046 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1047 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1048 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1049 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1050 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1051 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1052 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1053 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1054 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1055 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1056 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1057 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1058 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1059 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1060 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1061 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1062 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1063 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1064 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1065 /* Big T for sound/OSS */
1066 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1067 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1068 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1069 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1070 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1071 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1072 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1073 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1074 /* Little m for sound/OSS */
1075 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1076 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1077 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1078 /* Big P for sound/OSS */
1079 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1080 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1081 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1082 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1083 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1084 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1085 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1086 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1087 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1088 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1089 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1090 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1091 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1092 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1093 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1094 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1095 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1096 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1097 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1098 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1099 /* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1100 /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1101 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1102 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1103 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1104 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1105 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1106 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1107 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1108 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1109 /* Big C for sound/OSS */
1110 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1111 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1112 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1113 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1114 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1115 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1116 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1117 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1118 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1119 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1120 /* Big M for sound/OSS */
1121 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1122 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1123 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1124 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1125 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1126 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1127 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1128 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1129 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1130 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1131 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1132 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1133 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1134 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1135 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1136 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1137 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1138 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1139 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1140 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1141 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1142 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1143 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1144 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1145 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1146 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1147 /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1148 /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1149 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1150 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1151 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1152 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1153 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1157 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1158 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1159 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1160 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1161 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1162 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1163 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1164 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1165 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1166 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1167 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1168 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1169 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1170 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1171 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1172 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1173 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1174 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1175 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1176 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1177 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1178 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1179 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1180 /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1181 /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1182 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1183 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1184 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1185 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1186 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1188 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1189 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1190 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1191 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1192 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1193 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1194 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1195 COMPATIBLE_IOCTL(OSS_GETVERSION)
1196 /* Raw devices */
1197 COMPATIBLE_IOCTL(RAW_SETBIND)
1198 COMPATIBLE_IOCTL(RAW_GETBIND)
1199 /* Watchdog */
1200 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1201 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1202 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1203 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1204 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1205 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1206 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1207 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1208 COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
1209 COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
1210 /* Big R */
1211 COMPATIBLE_IOCTL(RNDGETENTCNT)
1212 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1213 COMPATIBLE_IOCTL(RNDGETPOOL)
1214 COMPATIBLE_IOCTL(RNDADDENTROPY)
1215 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1216 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1217 /* Bluetooth */
1218 COMPATIBLE_IOCTL(HCIDEVUP)
1219 COMPATIBLE_IOCTL(HCIDEVDOWN)
1220 COMPATIBLE_IOCTL(HCIDEVRESET)
1221 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1222 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1223 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1224 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1225 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1226 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1227 COMPATIBLE_IOCTL(HCISETRAW)
1228 COMPATIBLE_IOCTL(HCISETSCAN)
1229 COMPATIBLE_IOCTL(HCISETAUTH)
1230 COMPATIBLE_IOCTL(HCISETENCRYPT)
1231 COMPATIBLE_IOCTL(HCISETPTYPE)
1232 COMPATIBLE_IOCTL(HCISETLINKPOL)
1233 COMPATIBLE_IOCTL(HCISETLINKMODE)
1234 COMPATIBLE_IOCTL(HCISETACLMTU)
1235 COMPATIBLE_IOCTL(HCISETSCOMTU)
1236 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1237 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1238 COMPATIBLE_IOCTL(HCIINQUIRY)
1239 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1240 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1241 COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
1242 COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
1243 COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
1244 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1245 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1246 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1247 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1248 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1249 COMPATIBLE_IOCTL(BNEPCONNADD)
1250 COMPATIBLE_IOCTL(BNEPCONNDEL)
1251 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1252 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1253 COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
1254 COMPATIBLE_IOCTL(CMTPCONNADD)
1255 COMPATIBLE_IOCTL(CMTPCONNDEL)
1256 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1257 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1258 COMPATIBLE_IOCTL(HIDPCONNADD)
1259 COMPATIBLE_IOCTL(HIDPCONNDEL)
1260 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1261 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1262 /* CAPI */
1263 COMPATIBLE_IOCTL(CAPI_REGISTER)
1264 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1265 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1266 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1267 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1268 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1269 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1270 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1271 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1272 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1273 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1274 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1275 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1276 /* Siemens Gigaset */
1277 COMPATIBLE_IOCTL(GIGASET_REDIR)
1278 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1279 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1280 COMPATIBLE_IOCTL(GIGASET_VERSION)
1281 /* Misc. */
1282 COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1283 COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1284 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1285 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1286 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1287 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1288 /* i2c */
1289 COMPATIBLE_IOCTL(I2C_SLAVE)
1290 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1291 COMPATIBLE_IOCTL(I2C_TENBIT)
1292 COMPATIBLE_IOCTL(I2C_PEC)
1293 COMPATIBLE_IOCTL(I2C_RETRIES)
1294 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1295 /* hiddev */
1296 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1297 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1298 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1299 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1300 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1301 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1302 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1303 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1304 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1305 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1306 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1307 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1308 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1309 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1310 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1311 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1312 /* dvb */
1313 COMPATIBLE_IOCTL(AUDIO_STOP)
1314 COMPATIBLE_IOCTL(AUDIO_PLAY)
1315 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1316 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1317 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1318 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1319 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1320 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1321 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1322 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1323 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1324 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1325 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1326 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1327 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1328 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1329 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1330 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1331 COMPATIBLE_IOCTL(DMX_START)
1332 COMPATIBLE_IOCTL(DMX_STOP)
1333 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1334 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1335 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1336 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1337 COMPATIBLE_IOCTL(DMX_GET_STC)
1338 COMPATIBLE_IOCTL(FE_GET_INFO)
1339 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1340 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1341 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1342 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1343 COMPATIBLE_IOCTL(FE_SET_TONE)
1344 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1345 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1346 COMPATIBLE_IOCTL(FE_READ_STATUS)
1347 COMPATIBLE_IOCTL(FE_READ_BER)
1348 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1349 COMPATIBLE_IOCTL(FE_READ_SNR)
1350 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1351 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1352 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1353 COMPATIBLE_IOCTL(FE_GET_EVENT)
1354 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1355 COMPATIBLE_IOCTL(VIDEO_STOP)
1356 COMPATIBLE_IOCTL(VIDEO_PLAY)
1357 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1358 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1359 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1360 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1361 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1362 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1363 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1364 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1365 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1366 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1367 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1368 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1369 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1370 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1371 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1372 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1373 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1374 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1375 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1376 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1377 /* cec */
1378 COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
1379 COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
1380 COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
1381 COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
1382 COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
1383 COMPATIBLE_IOCTL(CEC_G_MODE)
1384 COMPATIBLE_IOCTL(CEC_S_MODE)
1385 COMPATIBLE_IOCTL(CEC_TRANSMIT)
1386 COMPATIBLE_IOCTL(CEC_RECEIVE)
1387 COMPATIBLE_IOCTL(CEC_DQEVENT)
1388
1389 /* joystick */
1390 COMPATIBLE_IOCTL(JSIOCGVERSION)
1391 COMPATIBLE_IOCTL(JSIOCGAXES)
1392 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1393 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1394
1395 #ifdef TIOCGLTC
1396 COMPATIBLE_IOCTL(TIOCGLTC)
1397 COMPATIBLE_IOCTL(TIOCSLTC)
1398 #endif
1399 #ifdef TIOCSTART
1400 /*
1401 * For these two we have definitions in ioctls.h and/or termios.h on
1402 * some architectures but no actual implemention. Some applications
1403 * like bash call them if they are defined in the headers, so we provide
1404 * entries here to avoid syslog message spew.
1405 */
1406 COMPATIBLE_IOCTL(TIOCSTART)
1407 COMPATIBLE_IOCTL(TIOCSTOP)
1408 #endif
1409
1410 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1411 but we don't want warnings on other file systems. So declare
1412 them as compatible here. */
1413 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1414 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1415
1416 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1417 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1418
1419 #ifdef CONFIG_SPARC
1420 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1421 IGNORE_IOCTL(FBIOGTYPE)
1422 IGNORE_IOCTL(FBIOSATTR)
1423 IGNORE_IOCTL(FBIOGATTR)
1424 IGNORE_IOCTL(FBIOSVIDEO)
1425 IGNORE_IOCTL(FBIOGVIDEO)
1426 IGNORE_IOCTL(FBIOSCURPOS)
1427 IGNORE_IOCTL(FBIOGCURPOS)
1428 IGNORE_IOCTL(FBIOGCURMAX)
1429 IGNORE_IOCTL(FBIOPUTCMAP32)
1430 IGNORE_IOCTL(FBIOGETCMAP32)
1431 IGNORE_IOCTL(FBIOSCURSOR32)
1432 IGNORE_IOCTL(FBIOGCURSOR32)
1433 #endif
1434 };
1435
1436 /*
1437 * Convert common ioctl arguments based on their command number
1438 *
1439 * Please do not add any code in here. Instead, implement
1440 * a compat_ioctl operation in the place that handleѕ the
1441 * ioctl for the native case.
1442 */
1443 static long do_ioctl_trans(unsigned int cmd,
1444 unsigned long arg, struct file *file)
1445 {
1446 void __user *argp = compat_ptr(arg);
1447
1448 switch (cmd) {
1449 case PPPIOCGIDLE32:
1450 return ppp_gidle(file, cmd, argp);
1451 case PPPIOCSCOMPRESS32:
1452 return ppp_scompress(file, cmd, argp);
1453 case PPPIOCSPASS32:
1454 case PPPIOCSACTIVE32:
1455 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
1456 #ifdef CONFIG_BLOCK
1457 case SG_IO:
1458 return sg_ioctl_trans(file, cmd, argp);
1459 case SG_GET_REQUEST_TABLE:
1460 return sg_grt_trans(file, cmd, argp);
1461 case MTIOCGET32:
1462 case MTIOCPOS32:
1463 return mt_ioctl_trans(file, cmd, argp);
1464 #endif
1465 /* Serial */
1466 case TIOCGSERIAL:
1467 case TIOCSSERIAL:
1468 return serial_struct_ioctl(file, cmd, argp);
1469 /* i2c */
1470 case I2C_FUNCS:
1471 return w_long(file, cmd, argp);
1472 case I2C_RDWR:
1473 return do_i2c_rdwr_ioctl(file, cmd, argp);
1474 case I2C_SMBUS:
1475 return do_i2c_smbus_ioctl(file, cmd, argp);
1476 /* Not implemented in the native kernel */
1477 case RTC_IRQP_READ32:
1478 case RTC_IRQP_SET32:
1479 case RTC_EPOCH_READ32:
1480 case RTC_EPOCH_SET32:
1481 return rtc_ioctl(file, cmd, argp);
1482
1483 /* dvb */
1484 case VIDEO_GET_EVENT:
1485 return do_video_get_event(file, cmd, argp);
1486 case VIDEO_STILLPICTURE:
1487 return do_video_stillpicture(file, cmd, argp);
1488 case VIDEO_SET_SPU_PALETTE:
1489 return do_video_set_spu_palette(file, cmd, argp);
1490 }
1491
1492 /*
1493 * These take an integer instead of a pointer as 'arg',
1494 * so we must not do a compat_ptr() translation.
1495 */
1496 switch (cmd) {
1497 /* Big T */
1498 case TCSBRKP:
1499 case TIOCMIWAIT:
1500 case TIOCSCTTY:
1501 /* RAID */
1502 case HOT_REMOVE_DISK:
1503 case HOT_ADD_DISK:
1504 case SET_DISK_FAULTY:
1505 case SET_BITMAP_FILE:
1506 /* Big K */
1507 case KDSIGACCEPT:
1508 case KIOCSOUND:
1509 case KDMKTONE:
1510 case KDSETMODE:
1511 case KDSKBMODE:
1512 case KDSKBMETA:
1513 case KDSKBLED:
1514 case KDSETLED:
1515 return vfs_ioctl(file, cmd, arg);
1516 }
1517
1518 return -ENOIOCTLCMD;
1519 }
1520
1521 static int compat_ioctl_check_table(unsigned int xcmd)
1522 {
1523 int i;
1524 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1525
1526 BUILD_BUG_ON(max >= (1 << 16));
1527
1528 /* guess initial offset into table, assuming a
1529 normalized distribution */
1530 i = ((xcmd >> 16) * max) >> 16;
1531
1532 /* do linear search up first, until greater or equal */
1533 while (ioctl_pointer[i] < xcmd && i < max)
1534 i++;
1535
1536 /* then do linear search down */
1537 while (ioctl_pointer[i] > xcmd && i > 0)
1538 i--;
1539
1540 return ioctl_pointer[i] == xcmd;
1541 }
1542
1543 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1544 compat_ulong_t, arg32)
1545 {
1546 unsigned long arg = arg32;
1547 struct fd f = fdget(fd);
1548 int error = -EBADF;
1549 if (!f.file)
1550 goto out;
1551
1552 /* RED-PEN how should LSM module know it's handling 32bit? */
1553 error = security_file_ioctl(f.file, cmd, arg);
1554 if (error)
1555 goto out_fput;
1556
1557 /*
1558 * To allow the compat_ioctl handlers to be self contained
1559 * we need to check the common ioctls here first.
1560 * Just handle them with the standard handlers below.
1561 */
1562 switch (cmd) {
1563 case FIOCLEX:
1564 case FIONCLEX:
1565 case FIONBIO:
1566 case FIOASYNC:
1567 case FIOQSIZE:
1568 break;
1569
1570 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1571 case FS_IOC_RESVSP_32:
1572 case FS_IOC_RESVSP64_32:
1573 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1574 goto out_fput;
1575 #else
1576 case FS_IOC_RESVSP:
1577 case FS_IOC_RESVSP64:
1578 error = ioctl_preallocate(f.file, compat_ptr(arg));
1579 goto out_fput;
1580 #endif
1581
1582 case FICLONE:
1583 case FICLONERANGE:
1584 case FIDEDUPERANGE:
1585 goto do_ioctl;
1586
1587 case FIBMAP:
1588 case FIGETBSZ:
1589 case FIONREAD:
1590 if (S_ISREG(file_inode(f.file)->i_mode))
1591 break;
1592 /*FALL THROUGH*/
1593
1594 default:
1595 if (f.file->f_op->compat_ioctl) {
1596 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1597 if (error != -ENOIOCTLCMD)
1598 goto out_fput;
1599 }
1600
1601 if (!f.file->f_op->unlocked_ioctl)
1602 goto do_ioctl;
1603 break;
1604 }
1605
1606 if (compat_ioctl_check_table(XFORM(cmd)))
1607 goto found_handler;
1608
1609 error = do_ioctl_trans(cmd, arg, f.file);
1610 if (error == -ENOIOCTLCMD)
1611 error = -ENOTTY;
1612
1613 goto out_fput;
1614
1615 found_handler:
1616 arg = (unsigned long)compat_ptr(arg);
1617 do_ioctl:
1618 error = do_vfs_ioctl(f.file, fd, cmd, arg);
1619 out_fput:
1620 fdput(f);
1621 out:
1622 return error;
1623 }
1624
1625 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1626 {
1627 unsigned int a, b;
1628 a = *(unsigned int *)p;
1629 b = *(unsigned int *)q;
1630 if (a > b)
1631 return 1;
1632 if (a < b)
1633 return -1;
1634 return 0;
1635 }
1636
1637 static int __init init_sys32_ioctl(void)
1638 {
1639 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1640 init_sys32_ioctl_cmp, NULL);
1641 return 0;
1642 }
1643 __initcall(init_sys32_ioctl);