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UBUNTU: Ubuntu-4.13.0-45.50
[mirror_ubuntu-artful-kernel.git] / fs / compat_ioctl.c
1 /*
2 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
3 *
4 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
5 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
6 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs
7 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
8 *
9 * These routines maintain argument size conversion between 32bit and 64bit
10 * ioctls.
11 */
12
13 #include <linux/joystick.h>
14
15 #include <linux/types.h>
16 #include <linux/compat.h>
17 #include <linux/kernel.h>
18 #include <linux/capability.h>
19 #include <linux/compiler.h>
20 #include <linux/sched.h>
21 #include <linux/smp.h>
22 #include <linux/ioctl.h>
23 #include <linux/if.h>
24 #include <linux/if_bridge.h>
25 #include <linux/raid/md_u.h>
26 #include <linux/kd.h>
27 #include <linux/route.h>
28 #include <linux/in6.h>
29 #include <linux/ipv6_route.h>
30 #include <linux/skbuff.h>
31 #include <linux/netlink.h>
32 #include <linux/vt.h>
33 #include <linux/falloc.h>
34 #include <linux/fs.h>
35 #include <linux/file.h>
36 #include <linux/ppp_defs.h>
37 #include <linux/ppp-ioctl.h>
38 #include <linux/if_pppox.h>
39 #include <linux/mtio.h>
40 #include <linux/auto_fs.h>
41 #include <linux/auto_fs4.h>
42 #include <linux/tty.h>
43 #include <linux/vt_kern.h>
44 #include <linux/fb.h>
45 #include <linux/videodev2.h>
46 #include <linux/netdevice.h>
47 #include <linux/raw.h>
48 #include <linux/blkdev.h>
49 #include <linux/elevator.h>
50 #include <linux/rtc.h>
51 #include <linux/pci.h>
52 #include <linux/serial.h>
53 #include <linux/if_tun.h>
54 #include <linux/ctype.h>
55 #include <linux/syscalls.h>
56 #include <linux/i2c.h>
57 #include <linux/i2c-dev.h>
58 #include <linux/atalk.h>
59 #include <linux/gfp.h>
60 #include <linux/cec.h>
61
62 #include "internal.h"
63
64 #include <net/bluetooth/bluetooth.h>
65 #include <net/bluetooth/hci_sock.h>
66 #include <net/bluetooth/rfcomm.h>
67
68 #include <linux/capi.h>
69 #include <linux/gigaset_dev.h>
70
71 #ifdef CONFIG_BLOCK
72 #include <linux/cdrom.h>
73 #include <linux/fd.h>
74 #include <scsi/scsi.h>
75 #include <scsi/scsi_ioctl.h>
76 #include <scsi/sg.h>
77 #endif
78
79 #include <linux/uaccess.h>
80 #include <linux/ethtool.h>
81 #include <linux/mii.h>
82 #include <linux/if_bonding.h>
83 #include <linux/watchdog.h>
84
85 #include <linux/soundcard.h>
86 #include <linux/lp.h>
87 #include <linux/ppdev.h>
88
89 #include <linux/atm.h>
90 #include <linux/atmarp.h>
91 #include <linux/atmclip.h>
92 #include <linux/atmdev.h>
93 #include <linux/atmioc.h>
94 #include <linux/atmlec.h>
95 #include <linux/atmmpc.h>
96 #include <linux/atmsvc.h>
97 #include <linux/atm_tcp.h>
98 #include <linux/sonet.h>
99 #include <linux/atm_suni.h>
100
101 #include <linux/usb.h>
102 #include <linux/usbdevice_fs.h>
103 #include <linux/nbd.h>
104 #include <linux/random.h>
105 #include <linux/filter.h>
106
107 #include <linux/hiddev.h>
108
109 #define __DVB_CORE__
110 #include <linux/dvb/audio.h>
111 #include <linux/dvb/dmx.h>
112 #include <linux/dvb/frontend.h>
113 #include <linux/dvb/video.h>
114
115 #include <linux/sort.h>
116
117 #ifdef CONFIG_SPARC
118 #include <asm/fbio.h>
119 #endif
120
121 #define convert_in_user(srcptr, dstptr) \
122 ({ \
123 typeof(*srcptr) val; \
124 \
125 get_user(val, srcptr) || put_user(val, dstptr); \
126 })
127
128 static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
129 {
130 int err;
131
132 err = security_file_ioctl(file, cmd, arg);
133 if (err)
134 return err;
135
136 return vfs_ioctl(file, cmd, arg);
137 }
138
139 static int w_long(struct file *file,
140 unsigned int cmd, compat_ulong_t __user *argp)
141 {
142 int err;
143 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
144
145 if (valp == NULL)
146 return -EFAULT;
147 err = do_ioctl(file, cmd, (unsigned long)valp);
148 if (err)
149 return err;
150 if (convert_in_user(valp, argp))
151 return -EFAULT;
152 return 0;
153 }
154
155 struct compat_video_event {
156 int32_t type;
157 compat_time_t timestamp;
158 union {
159 video_size_t size;
160 unsigned int frame_rate;
161 } u;
162 };
163
164 static int do_video_get_event(struct file *file,
165 unsigned int cmd, struct compat_video_event __user *up)
166 {
167 struct video_event __user *kevent =
168 compat_alloc_user_space(sizeof(*kevent));
169 int err;
170
171 if (kevent == NULL)
172 return -EFAULT;
173
174 err = do_ioctl(file, cmd, (unsigned long)kevent);
175 if (!err) {
176 err = convert_in_user(&kevent->type, &up->type);
177 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
178 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
179 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
180 err |= convert_in_user(&kevent->u.size.aspect_ratio,
181 &up->u.size.aspect_ratio);
182 if (err)
183 err = -EFAULT;
184 }
185
186 return err;
187 }
188
189 struct compat_video_still_picture {
190 compat_uptr_t iFrame;
191 int32_t size;
192 };
193
194 static int do_video_stillpicture(struct file *file,
195 unsigned int cmd, struct compat_video_still_picture __user *up)
196 {
197 struct video_still_picture __user *up_native;
198 compat_uptr_t fp;
199 int32_t size;
200 int err;
201
202 err = get_user(fp, &up->iFrame);
203 err |= get_user(size, &up->size);
204 if (err)
205 return -EFAULT;
206
207 up_native =
208 compat_alloc_user_space(sizeof(struct video_still_picture));
209
210 err = put_user(compat_ptr(fp), &up_native->iFrame);
211 err |= put_user(size, &up_native->size);
212 if (err)
213 return -EFAULT;
214
215 err = do_ioctl(file, cmd, (unsigned long) up_native);
216
217 return err;
218 }
219
220 struct compat_video_spu_palette {
221 int length;
222 compat_uptr_t palette;
223 };
224
225 static int do_video_set_spu_palette(struct file *file,
226 unsigned int cmd, struct compat_video_spu_palette __user *up)
227 {
228 struct video_spu_palette __user *up_native;
229 compat_uptr_t palp;
230 int length, err;
231
232 err = get_user(palp, &up->palette);
233 err |= get_user(length, &up->length);
234 if (err)
235 return -EFAULT;
236
237 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
238 err = put_user(compat_ptr(palp), &up_native->palette);
239 err |= put_user(length, &up_native->length);
240 if (err)
241 return -EFAULT;
242
243 err = do_ioctl(file, cmd, (unsigned long) up_native);
244
245 return err;
246 }
247
248 #ifdef CONFIG_BLOCK
249 typedef struct sg_io_hdr32 {
250 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
251 compat_int_t dxfer_direction; /* [i] data transfer direction */
252 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
253 unsigned char mx_sb_len; /* [i] max length to write to sbp */
254 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
255 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
256 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
257 or scatter gather list */
258 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
259 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
260 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
261 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
262 compat_int_t pack_id; /* [i->o] unused internally (normally) */
263 compat_uptr_t usr_ptr; /* [i->o] unused internally */
264 unsigned char status; /* [o] scsi status */
265 unsigned char masked_status; /* [o] shifted, masked scsi status */
266 unsigned char msg_status; /* [o] messaging level data (optional) */
267 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
268 unsigned short host_status; /* [o] errors from host adapter */
269 unsigned short driver_status; /* [o] errors from software driver */
270 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
271 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
272 compat_uint_t info; /* [o] auxiliary information */
273 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
274
275 typedef struct sg_iovec32 {
276 compat_uint_t iov_base;
277 compat_uint_t iov_len;
278 } sg_iovec32_t;
279
280 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
281 {
282 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
283 sg_iovec32_t __user *iov32 = dxferp;
284 int i;
285
286 for (i = 0; i < iovec_count; i++) {
287 u32 base, len;
288
289 if (get_user(base, &iov32[i].iov_base) ||
290 get_user(len, &iov32[i].iov_len) ||
291 put_user(compat_ptr(base), &iov[i].iov_base) ||
292 put_user(len, &iov[i].iov_len))
293 return -EFAULT;
294 }
295
296 if (put_user(iov, &sgio->dxferp))
297 return -EFAULT;
298 return 0;
299 }
300
301 static int sg_ioctl_trans(struct file *file, unsigned int cmd,
302 sg_io_hdr32_t __user *sgio32)
303 {
304 sg_io_hdr_t __user *sgio;
305 u16 iovec_count;
306 u32 data;
307 void __user *dxferp;
308 int err;
309 int interface_id;
310
311 if (get_user(interface_id, &sgio32->interface_id))
312 return -EFAULT;
313 if (interface_id != 'S')
314 return do_ioctl(file, cmd, (unsigned long)sgio32);
315
316 if (get_user(iovec_count, &sgio32->iovec_count))
317 return -EFAULT;
318
319 {
320 void __user *top = compat_alloc_user_space(0);
321 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
322 (iovec_count * sizeof(sg_iovec_t)));
323 if (new > top)
324 return -EINVAL;
325
326 sgio = new;
327 }
328
329 /* Ok, now construct. */
330 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
331 (2 * sizeof(int)) +
332 (2 * sizeof(unsigned char)) +
333 (1 * sizeof(unsigned short)) +
334 (1 * sizeof(unsigned int))))
335 return -EFAULT;
336
337 if (get_user(data, &sgio32->dxferp))
338 return -EFAULT;
339 dxferp = compat_ptr(data);
340 if (iovec_count) {
341 if (sg_build_iovec(sgio, dxferp, iovec_count))
342 return -EFAULT;
343 } else {
344 if (put_user(dxferp, &sgio->dxferp))
345 return -EFAULT;
346 }
347
348 {
349 unsigned char __user *cmdp;
350 unsigned char __user *sbp;
351
352 if (get_user(data, &sgio32->cmdp))
353 return -EFAULT;
354 cmdp = compat_ptr(data);
355
356 if (get_user(data, &sgio32->sbp))
357 return -EFAULT;
358 sbp = compat_ptr(data);
359
360 if (put_user(cmdp, &sgio->cmdp) ||
361 put_user(sbp, &sgio->sbp))
362 return -EFAULT;
363 }
364
365 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
366 3 * sizeof(int)))
367 return -EFAULT;
368
369 if (get_user(data, &sgio32->usr_ptr))
370 return -EFAULT;
371 if (put_user(compat_ptr(data), &sgio->usr_ptr))
372 return -EFAULT;
373
374 err = do_ioctl(file, cmd, (unsigned long) sgio);
375
376 if (err >= 0) {
377 void __user *datap;
378
379 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
380 sizeof(int)) ||
381 get_user(datap, &sgio->usr_ptr) ||
382 put_user((u32)(unsigned long)datap,
383 &sgio32->usr_ptr) ||
384 copy_in_user(&sgio32->status, &sgio->status,
385 (4 * sizeof(unsigned char)) +
386 (2 * sizeof(unsigned short)) +
387 (3 * sizeof(int))))
388 err = -EFAULT;
389 }
390
391 return err;
392 }
393
394 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
395 char req_state;
396 char orphan;
397 char sg_io_owned;
398 char problem;
399 int pack_id;
400 compat_uptr_t usr_ptr;
401 unsigned int duration;
402 int unused;
403 };
404
405 static int sg_grt_trans(struct file *file,
406 unsigned int cmd, struct compat_sg_req_info __user *o)
407 {
408 int err, i;
409 sg_req_info_t __user *r;
410 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
411 err = do_ioctl(file, cmd, (unsigned long)r);
412 if (err < 0)
413 return err;
414 for (i = 0; i < SG_MAX_QUEUE; i++) {
415 void __user *ptr;
416 int d;
417
418 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
419 get_user(ptr, &r[i].usr_ptr) ||
420 get_user(d, &r[i].duration) ||
421 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
422 put_user(d, &o[i].duration))
423 return -EFAULT;
424 }
425 return err;
426 }
427 #endif /* CONFIG_BLOCK */
428
429 struct sock_fprog32 {
430 unsigned short len;
431 compat_caddr_t filter;
432 };
433
434 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
435 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
436
437 static int ppp_sock_fprog_ioctl_trans(struct file *file,
438 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
439 {
440 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
441 void __user *fptr64;
442 u32 fptr32;
443 u16 flen;
444
445 if (get_user(flen, &u_fprog32->len) ||
446 get_user(fptr32, &u_fprog32->filter))
447 return -EFAULT;
448
449 fptr64 = compat_ptr(fptr32);
450
451 if (put_user(flen, &u_fprog64->len) ||
452 put_user(fptr64, &u_fprog64->filter))
453 return -EFAULT;
454
455 if (cmd == PPPIOCSPASS32)
456 cmd = PPPIOCSPASS;
457 else
458 cmd = PPPIOCSACTIVE;
459
460 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
461 }
462
463 struct ppp_option_data32 {
464 compat_caddr_t ptr;
465 u32 length;
466 compat_int_t transmit;
467 };
468 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
469
470 struct ppp_idle32 {
471 compat_time_t xmit_idle;
472 compat_time_t recv_idle;
473 };
474 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
475
476 static int ppp_gidle(struct file *file, unsigned int cmd,
477 struct ppp_idle32 __user *idle32)
478 {
479 struct ppp_idle __user *idle;
480 __kernel_time_t xmit, recv;
481 int err;
482
483 idle = compat_alloc_user_space(sizeof(*idle));
484
485 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
486
487 if (!err) {
488 if (get_user(xmit, &idle->xmit_idle) ||
489 get_user(recv, &idle->recv_idle) ||
490 put_user(xmit, &idle32->xmit_idle) ||
491 put_user(recv, &idle32->recv_idle))
492 err = -EFAULT;
493 }
494 return err;
495 }
496
497 static int ppp_scompress(struct file *file, unsigned int cmd,
498 struct ppp_option_data32 __user *odata32)
499 {
500 struct ppp_option_data __user *odata;
501 __u32 data;
502 void __user *datap;
503
504 odata = compat_alloc_user_space(sizeof(*odata));
505
506 if (get_user(data, &odata32->ptr))
507 return -EFAULT;
508
509 datap = compat_ptr(data);
510 if (put_user(datap, &odata->ptr))
511 return -EFAULT;
512
513 if (copy_in_user(&odata->length, &odata32->length,
514 sizeof(__u32) + sizeof(int)))
515 return -EFAULT;
516
517 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
518 }
519
520 #ifdef CONFIG_BLOCK
521 struct mtget32 {
522 compat_long_t mt_type;
523 compat_long_t mt_resid;
524 compat_long_t mt_dsreg;
525 compat_long_t mt_gstat;
526 compat_long_t mt_erreg;
527 compat_daddr_t mt_fileno;
528 compat_daddr_t mt_blkno;
529 };
530 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
531
532 struct mtpos32 {
533 compat_long_t mt_blkno;
534 };
535 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
536
537 static int mt_ioctl_trans(struct file *file,
538 unsigned int cmd, void __user *argp)
539 {
540 /* NULL initialization to make gcc shut up */
541 struct mtget __user *get = NULL;
542 struct mtget32 __user *umget32;
543 struct mtpos __user *pos = NULL;
544 struct mtpos32 __user *upos32;
545 unsigned long kcmd;
546 void *karg;
547 int err = 0;
548
549 switch(cmd) {
550 case MTIOCPOS32:
551 kcmd = MTIOCPOS;
552 pos = compat_alloc_user_space(sizeof(*pos));
553 karg = pos;
554 break;
555 default: /* MTIOCGET32 */
556 kcmd = MTIOCGET;
557 get = compat_alloc_user_space(sizeof(*get));
558 karg = get;
559 break;
560 }
561 if (karg == NULL)
562 return -EFAULT;
563 err = do_ioctl(file, kcmd, (unsigned long)karg);
564 if (err)
565 return err;
566 switch (cmd) {
567 case MTIOCPOS32:
568 upos32 = argp;
569 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
570 break;
571 case MTIOCGET32:
572 umget32 = argp;
573 err = convert_in_user(&get->mt_type, &umget32->mt_type);
574 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
575 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
576 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
577 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
578 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
579 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
580 break;
581 }
582 return err ? -EFAULT: 0;
583 }
584
585 #endif /* CONFIG_BLOCK */
586
587 /* Bluetooth ioctls */
588 #define HCIUARTSETPROTO _IOW('U', 200, int)
589 #define HCIUARTGETPROTO _IOR('U', 201, int)
590 #define HCIUARTGETDEVICE _IOR('U', 202, int)
591 #define HCIUARTSETFLAGS _IOW('U', 203, int)
592 #define HCIUARTGETFLAGS _IOR('U', 204, int)
593
594 #define BNEPCONNADD _IOW('B', 200, int)
595 #define BNEPCONNDEL _IOW('B', 201, int)
596 #define BNEPGETCONNLIST _IOR('B', 210, int)
597 #define BNEPGETCONNINFO _IOR('B', 211, int)
598 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
599
600 #define CMTPCONNADD _IOW('C', 200, int)
601 #define CMTPCONNDEL _IOW('C', 201, int)
602 #define CMTPGETCONNLIST _IOR('C', 210, int)
603 #define CMTPGETCONNINFO _IOR('C', 211, int)
604
605 #define HIDPCONNADD _IOW('H', 200, int)
606 #define HIDPCONNDEL _IOW('H', 201, int)
607 #define HIDPGETCONNLIST _IOR('H', 210, int)
608 #define HIDPGETCONNINFO _IOR('H', 211, int)
609
610
611 struct serial_struct32 {
612 compat_int_t type;
613 compat_int_t line;
614 compat_uint_t port;
615 compat_int_t irq;
616 compat_int_t flags;
617 compat_int_t xmit_fifo_size;
618 compat_int_t custom_divisor;
619 compat_int_t baud_base;
620 unsigned short close_delay;
621 char io_type;
622 char reserved_char[1];
623 compat_int_t hub6;
624 unsigned short closing_wait; /* time to wait before closing */
625 unsigned short closing_wait2; /* no longer used... */
626 compat_uint_t iomem_base;
627 unsigned short iomem_reg_shift;
628 unsigned int port_high;
629 /* compat_ulong_t iomap_base FIXME */
630 compat_int_t reserved[1];
631 };
632
633 static int serial_struct_ioctl(struct file *file,
634 unsigned cmd, struct serial_struct32 __user *ss32)
635 {
636 typedef struct serial_struct32 SS32;
637 int err;
638 struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
639 __u32 udata;
640 unsigned int base;
641 unsigned char *iomem_base;
642
643 if (ss == NULL)
644 return -EFAULT;
645 if (cmd == TIOCSSERIAL) {
646 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
647 get_user(udata, &ss32->iomem_base))
648 return -EFAULT;
649 iomem_base = compat_ptr(udata);
650 if (put_user(iomem_base, &ss->iomem_base) ||
651 convert_in_user(&ss32->iomem_reg_shift,
652 &ss->iomem_reg_shift) ||
653 convert_in_user(&ss32->port_high, &ss->port_high) ||
654 put_user(0UL, &ss->iomap_base))
655 return -EFAULT;
656 }
657 err = do_ioctl(file, cmd, (unsigned long)ss);
658 if (cmd == TIOCGSERIAL && err >= 0) {
659 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
660 get_user(iomem_base, &ss->iomem_base))
661 return -EFAULT;
662 base = (unsigned long)iomem_base >> 32 ?
663 0xffffffff : (unsigned)(unsigned long)iomem_base;
664 if (put_user(base, &ss32->iomem_base) ||
665 convert_in_user(&ss->iomem_reg_shift,
666 &ss32->iomem_reg_shift) ||
667 convert_in_user(&ss->port_high, &ss32->port_high))
668 return -EFAULT;
669 }
670 return err;
671 }
672
673 /*
674 * I2C layer ioctls
675 */
676
677 struct i2c_msg32 {
678 u16 addr;
679 u16 flags;
680 u16 len;
681 compat_caddr_t buf;
682 };
683
684 struct i2c_rdwr_ioctl_data32 {
685 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
686 u32 nmsgs;
687 };
688
689 struct i2c_smbus_ioctl_data32 {
690 u8 read_write;
691 u8 command;
692 u32 size;
693 compat_caddr_t data; /* union i2c_smbus_data *data */
694 };
695
696 struct i2c_rdwr_aligned {
697 struct i2c_rdwr_ioctl_data cmd;
698 struct i2c_msg msgs[0];
699 };
700
701 static int do_i2c_rdwr_ioctl(struct file *file,
702 unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
703 {
704 struct i2c_rdwr_aligned __user *tdata;
705 struct i2c_msg __user *tmsgs;
706 struct i2c_msg32 __user *umsgs;
707 compat_caddr_t datap;
708 u32 nmsgs;
709 int i;
710
711 if (get_user(nmsgs, &udata->nmsgs))
712 return -EFAULT;
713 if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS)
714 return -EINVAL;
715
716 if (get_user(datap, &udata->msgs))
717 return -EFAULT;
718 umsgs = compat_ptr(datap);
719
720 tdata = compat_alloc_user_space(sizeof(*tdata) +
721 nmsgs * sizeof(struct i2c_msg));
722 tmsgs = &tdata->msgs[0];
723
724 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
725 put_user(tmsgs, &tdata->cmd.msgs))
726 return -EFAULT;
727
728 for (i = 0; i < nmsgs; i++) {
729 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
730 return -EFAULT;
731 if (get_user(datap, &umsgs[i].buf) ||
732 put_user(compat_ptr(datap), &tmsgs[i].buf))
733 return -EFAULT;
734 }
735 return do_ioctl(file, cmd, (unsigned long)tdata);
736 }
737
738 static int do_i2c_smbus_ioctl(struct file *file,
739 unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata)
740 {
741 struct i2c_smbus_ioctl_data __user *tdata;
742 union {
743 /* beginnings of those have identical layouts */
744 struct i2c_smbus_ioctl_data32 data32;
745 struct i2c_smbus_ioctl_data data;
746 } v;
747
748 tdata = compat_alloc_user_space(sizeof(*tdata));
749 if (tdata == NULL)
750 return -ENOMEM;
751
752 memset(&v, 0, sizeof(v));
753 if (copy_from_user(&v.data32, udata, sizeof(v.data32)))
754 return -EFAULT;
755 v.data.data = compat_ptr(v.data32.data);
756
757 if (copy_to_user(tdata, &v.data, sizeof(v.data)))
758 return -EFAULT;
759
760 return do_ioctl(file, cmd, (unsigned long)tdata);
761 }
762
763 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
764 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
765 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
766 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
767
768 static int rtc_ioctl(struct file *file,
769 unsigned cmd, void __user *argp)
770 {
771 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
772 int ret;
773
774 if (valp == NULL)
775 return -EFAULT;
776 switch (cmd) {
777 case RTC_IRQP_READ32:
778 case RTC_EPOCH_READ32:
779 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
780 RTC_IRQP_READ : RTC_EPOCH_READ,
781 (unsigned long)valp);
782 if (ret)
783 return ret;
784 return convert_in_user(valp, (unsigned int __user *)argp);
785 case RTC_IRQP_SET32:
786 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
787 case RTC_EPOCH_SET32:
788 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
789 }
790
791 return -ENOIOCTLCMD;
792 }
793
794 /* on ia32 l_start is on a 32-bit boundary */
795 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
796 struct space_resv_32 {
797 __s16 l_type;
798 __s16 l_whence;
799 __s64 l_start __attribute__((packed));
800 /* len == 0 means until end of file */
801 __s64 l_len __attribute__((packed));
802 __s32 l_sysid;
803 __u32 l_pid;
804 __s32 l_pad[4]; /* reserve area */
805 };
806
807 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
808 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
809
810 /* just account for different alignment */
811 static int compat_ioctl_preallocate(struct file *file,
812 struct space_resv_32 __user *p32)
813 {
814 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
815
816 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
817 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
818 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
819 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
820 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
821 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
822 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
823 return -EFAULT;
824
825 return ioctl_preallocate(file, p);
826 }
827 #endif
828
829 /*
830 * simple reversible transform to make our table more evenly
831 * distributed after sorting.
832 */
833 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
834
835 #define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
836 /* ioctl should not be warned about even if it's not implemented.
837 Valid reasons to use this:
838 - It is implemented with ->compat_ioctl on some device, but programs
839 call it on others too.
840 - The ioctl is not implemented in the native kernel, but programs
841 call it commonly anyways.
842 Most other reasons are not valid. */
843 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
844
845 static unsigned int ioctl_pointer[] = {
846 /* compatible ioctls first */
847 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
848 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
849
850 /* Big T */
851 COMPATIBLE_IOCTL(TCGETA)
852 COMPATIBLE_IOCTL(TCSETA)
853 COMPATIBLE_IOCTL(TCSETAW)
854 COMPATIBLE_IOCTL(TCSETAF)
855 COMPATIBLE_IOCTL(TCSBRK)
856 COMPATIBLE_IOCTL(TCXONC)
857 COMPATIBLE_IOCTL(TCFLSH)
858 COMPATIBLE_IOCTL(TCGETS)
859 COMPATIBLE_IOCTL(TCSETS)
860 COMPATIBLE_IOCTL(TCSETSW)
861 COMPATIBLE_IOCTL(TCSETSF)
862 COMPATIBLE_IOCTL(TIOCLINUX)
863 COMPATIBLE_IOCTL(TIOCSBRK)
864 COMPATIBLE_IOCTL(TIOCGDEV)
865 COMPATIBLE_IOCTL(TIOCCBRK)
866 COMPATIBLE_IOCTL(TIOCGSID)
867 COMPATIBLE_IOCTL(TIOCGICOUNT)
868 COMPATIBLE_IOCTL(TIOCGEXCL)
869 /* Little t */
870 COMPATIBLE_IOCTL(TIOCGETD)
871 COMPATIBLE_IOCTL(TIOCSETD)
872 COMPATIBLE_IOCTL(TIOCEXCL)
873 COMPATIBLE_IOCTL(TIOCNXCL)
874 COMPATIBLE_IOCTL(TIOCCONS)
875 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
876 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
877 COMPATIBLE_IOCTL(TIOCSWINSZ)
878 COMPATIBLE_IOCTL(TIOCGWINSZ)
879 COMPATIBLE_IOCTL(TIOCMGET)
880 COMPATIBLE_IOCTL(TIOCMBIC)
881 COMPATIBLE_IOCTL(TIOCMBIS)
882 COMPATIBLE_IOCTL(TIOCMSET)
883 COMPATIBLE_IOCTL(TIOCNOTTY)
884 COMPATIBLE_IOCTL(TIOCSTI)
885 COMPATIBLE_IOCTL(TIOCOUTQ)
886 COMPATIBLE_IOCTL(TIOCSPGRP)
887 COMPATIBLE_IOCTL(TIOCGPGRP)
888 COMPATIBLE_IOCTL(TIOCSERGETLSR)
889 #ifdef TIOCSRS485
890 COMPATIBLE_IOCTL(TIOCSRS485)
891 #endif
892 #ifdef TIOCGRS485
893 COMPATIBLE_IOCTL(TIOCGRS485)
894 #endif
895 #ifdef TCGETS2
896 COMPATIBLE_IOCTL(TCGETS2)
897 COMPATIBLE_IOCTL(TCSETS2)
898 COMPATIBLE_IOCTL(TCSETSW2)
899 COMPATIBLE_IOCTL(TCSETSF2)
900 #endif
901 /* Little f */
902 COMPATIBLE_IOCTL(FIOCLEX)
903 COMPATIBLE_IOCTL(FIONCLEX)
904 COMPATIBLE_IOCTL(FIOASYNC)
905 COMPATIBLE_IOCTL(FIONBIO)
906 COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
907 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
908 /* 0x00 */
909 COMPATIBLE_IOCTL(FIBMAP)
910 COMPATIBLE_IOCTL(FIGETBSZ)
911 /* 'X' - originally XFS but some now in the VFS */
912 COMPATIBLE_IOCTL(FIFREEZE)
913 COMPATIBLE_IOCTL(FITHAW)
914 COMPATIBLE_IOCTL(FITRIM)
915 COMPATIBLE_IOCTL(KDGETKEYCODE)
916 COMPATIBLE_IOCTL(KDSETKEYCODE)
917 COMPATIBLE_IOCTL(KDGKBTYPE)
918 COMPATIBLE_IOCTL(KDGETMODE)
919 COMPATIBLE_IOCTL(KDGKBMODE)
920 COMPATIBLE_IOCTL(KDGKBMETA)
921 COMPATIBLE_IOCTL(KDGKBENT)
922 COMPATIBLE_IOCTL(KDSKBENT)
923 COMPATIBLE_IOCTL(KDGKBSENT)
924 COMPATIBLE_IOCTL(KDSKBSENT)
925 COMPATIBLE_IOCTL(KDGKBDIACR)
926 COMPATIBLE_IOCTL(KDSKBDIACR)
927 COMPATIBLE_IOCTL(KDGKBDIACRUC)
928 COMPATIBLE_IOCTL(KDSKBDIACRUC)
929 COMPATIBLE_IOCTL(KDKBDREP)
930 COMPATIBLE_IOCTL(KDGKBLED)
931 COMPATIBLE_IOCTL(KDGETLED)
932 #ifdef CONFIG_BLOCK
933 /* Big S */
934 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
935 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
936 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
937 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
938 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
939 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
940 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
941 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
942 #endif
943 /* Big V (don't complain on serial console) */
944 IGNORE_IOCTL(VT_OPENQRY)
945 IGNORE_IOCTL(VT_GETMODE)
946 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
947 COMPATIBLE_IOCTL(RTC_AIE_ON)
948 COMPATIBLE_IOCTL(RTC_AIE_OFF)
949 COMPATIBLE_IOCTL(RTC_UIE_ON)
950 COMPATIBLE_IOCTL(RTC_UIE_OFF)
951 COMPATIBLE_IOCTL(RTC_PIE_ON)
952 COMPATIBLE_IOCTL(RTC_PIE_OFF)
953 COMPATIBLE_IOCTL(RTC_WIE_ON)
954 COMPATIBLE_IOCTL(RTC_WIE_OFF)
955 COMPATIBLE_IOCTL(RTC_ALM_SET)
956 COMPATIBLE_IOCTL(RTC_ALM_READ)
957 COMPATIBLE_IOCTL(RTC_RD_TIME)
958 COMPATIBLE_IOCTL(RTC_SET_TIME)
959 COMPATIBLE_IOCTL(RTC_WKALM_SET)
960 COMPATIBLE_IOCTL(RTC_WKALM_RD)
961 /*
962 * These two are only for the sbus rtc driver, but
963 * hwclock tries them on every rtc device first when
964 * running on sparc. On other architectures the entries
965 * are useless but harmless.
966 */
967 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
968 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
969 /* Little m */
970 COMPATIBLE_IOCTL(MTIOCTOP)
971 /* Socket level stuff */
972 COMPATIBLE_IOCTL(FIOQSIZE)
973 #ifdef CONFIG_BLOCK
974 /* md calls this on random blockdevs */
975 IGNORE_IOCTL(RAID_VERSION)
976 /* qemu/qemu-img might call these two on plain files for probing */
977 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
978 IGNORE_IOCTL(FDGETPRM32)
979 /* SG stuff */
980 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
981 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
982 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
983 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
984 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
985 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
986 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
987 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
988 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
989 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
990 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
991 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
992 COMPATIBLE_IOCTL(SG_SET_DEBUG)
993 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
994 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
995 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
996 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
997 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
998 COMPATIBLE_IOCTL(SG_SCSI_RESET)
999 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
1000 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
1001 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
1002 #endif
1003 /* PPP stuff */
1004 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
1005 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
1006 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
1007 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
1008 COMPATIBLE_IOCTL(PPPIOCGUNIT)
1009 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
1010 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
1011 COMPATIBLE_IOCTL(PPPIOCGMRU)
1012 COMPATIBLE_IOCTL(PPPIOCSMRU)
1013 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
1014 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1015 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1016 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1017 /* PPPIOCSCOMPRESS is translated */
1018 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1019 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1020 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1021 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1022 /* PPPIOCSPASS is translated */
1023 /* PPPIOCSACTIVE is translated */
1024 /* PPPIOCGIDLE is translated */
1025 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1026 COMPATIBLE_IOCTL(PPPIOCATTACH)
1027 COMPATIBLE_IOCTL(PPPIOCDETACH)
1028 COMPATIBLE_IOCTL(PPPIOCSMRRU)
1029 COMPATIBLE_IOCTL(PPPIOCCONNECT)
1030 COMPATIBLE_IOCTL(PPPIOCDISCONN)
1031 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1032 COMPATIBLE_IOCTL(PPPIOCGCHAN)
1033 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1034 /* PPPOX */
1035 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1036 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
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_CAPS)
1335 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1336 COMPATIBLE_IOCTL(DMX_GET_STC)
1337 COMPATIBLE_IOCTL(FE_GET_INFO)
1338 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1339 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1340 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1341 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1342 COMPATIBLE_IOCTL(FE_SET_TONE)
1343 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1344 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1345 COMPATIBLE_IOCTL(FE_READ_STATUS)
1346 COMPATIBLE_IOCTL(FE_READ_BER)
1347 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1348 COMPATIBLE_IOCTL(FE_READ_SNR)
1349 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1350 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1351 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1352 COMPATIBLE_IOCTL(FE_GET_EVENT)
1353 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1354 COMPATIBLE_IOCTL(VIDEO_STOP)
1355 COMPATIBLE_IOCTL(VIDEO_PLAY)
1356 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1357 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1358 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1359 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1360 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1361 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1362 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1363 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1364 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1365 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1366 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1367 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1368 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1369 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1370 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1371 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1372 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1373 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1374 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1375 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1376 /* cec */
1377 COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
1378 COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
1379 COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
1380 COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
1381 COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
1382 COMPATIBLE_IOCTL(CEC_G_MODE)
1383 COMPATIBLE_IOCTL(CEC_S_MODE)
1384 COMPATIBLE_IOCTL(CEC_TRANSMIT)
1385 COMPATIBLE_IOCTL(CEC_RECEIVE)
1386 COMPATIBLE_IOCTL(CEC_DQEVENT)
1387
1388 /* joystick */
1389 COMPATIBLE_IOCTL(JSIOCGVERSION)
1390 COMPATIBLE_IOCTL(JSIOCGAXES)
1391 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1392 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1393
1394 #ifdef TIOCGLTC
1395 COMPATIBLE_IOCTL(TIOCGLTC)
1396 COMPATIBLE_IOCTL(TIOCSLTC)
1397 #endif
1398 #ifdef TIOCSTART
1399 /*
1400 * For these two we have definitions in ioctls.h and/or termios.h on
1401 * some architectures but no actual implemention. Some applications
1402 * like bash call them if they are defined in the headers, so we provide
1403 * entries here to avoid syslog message spew.
1404 */
1405 COMPATIBLE_IOCTL(TIOCSTART)
1406 COMPATIBLE_IOCTL(TIOCSTOP)
1407 #endif
1408
1409 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1410 but we don't want warnings on other file systems. So declare
1411 them as compatible here. */
1412 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1413 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1414
1415 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1416 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1417
1418 #ifdef CONFIG_SPARC
1419 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1420 IGNORE_IOCTL(FBIOGTYPE)
1421 IGNORE_IOCTL(FBIOSATTR)
1422 IGNORE_IOCTL(FBIOGATTR)
1423 IGNORE_IOCTL(FBIOSVIDEO)
1424 IGNORE_IOCTL(FBIOGVIDEO)
1425 IGNORE_IOCTL(FBIOSCURPOS)
1426 IGNORE_IOCTL(FBIOGCURPOS)
1427 IGNORE_IOCTL(FBIOGCURMAX)
1428 IGNORE_IOCTL(FBIOPUTCMAP32)
1429 IGNORE_IOCTL(FBIOGETCMAP32)
1430 IGNORE_IOCTL(FBIOSCURSOR32)
1431 IGNORE_IOCTL(FBIOGCURSOR32)
1432 #endif
1433 };
1434
1435 /*
1436 * Convert common ioctl arguments based on their command number
1437 *
1438 * Please do not add any code in here. Instead, implement
1439 * a compat_ioctl operation in the place that handleѕ the
1440 * ioctl for the native case.
1441 */
1442 static long do_ioctl_trans(unsigned int cmd,
1443 unsigned long arg, struct file *file)
1444 {
1445 void __user *argp = compat_ptr(arg);
1446
1447 switch (cmd) {
1448 case PPPIOCGIDLE32:
1449 return ppp_gidle(file, cmd, argp);
1450 case PPPIOCSCOMPRESS32:
1451 return ppp_scompress(file, cmd, argp);
1452 case PPPIOCSPASS32:
1453 case PPPIOCSACTIVE32:
1454 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
1455 #ifdef CONFIG_BLOCK
1456 case SG_IO:
1457 return sg_ioctl_trans(file, cmd, argp);
1458 case SG_GET_REQUEST_TABLE:
1459 return sg_grt_trans(file, cmd, argp);
1460 case MTIOCGET32:
1461 case MTIOCPOS32:
1462 return mt_ioctl_trans(file, cmd, argp);
1463 #endif
1464 /* Serial */
1465 case TIOCGSERIAL:
1466 case TIOCSSERIAL:
1467 return serial_struct_ioctl(file, cmd, argp);
1468 /* i2c */
1469 case I2C_FUNCS:
1470 return w_long(file, cmd, argp);
1471 case I2C_RDWR:
1472 return do_i2c_rdwr_ioctl(file, cmd, argp);
1473 case I2C_SMBUS:
1474 return do_i2c_smbus_ioctl(file, cmd, argp);
1475 /* Not implemented in the native kernel */
1476 case RTC_IRQP_READ32:
1477 case RTC_IRQP_SET32:
1478 case RTC_EPOCH_READ32:
1479 case RTC_EPOCH_SET32:
1480 return rtc_ioctl(file, cmd, argp);
1481
1482 /* dvb */
1483 case VIDEO_GET_EVENT:
1484 return do_video_get_event(file, cmd, argp);
1485 case VIDEO_STILLPICTURE:
1486 return do_video_stillpicture(file, cmd, argp);
1487 case VIDEO_SET_SPU_PALETTE:
1488 return do_video_set_spu_palette(file, cmd, argp);
1489 }
1490
1491 /*
1492 * These take an integer instead of a pointer as 'arg',
1493 * so we must not do a compat_ptr() translation.
1494 */
1495 switch (cmd) {
1496 /* Big T */
1497 case TCSBRKP:
1498 case TIOCMIWAIT:
1499 case TIOCSCTTY:
1500 /* RAID */
1501 case HOT_REMOVE_DISK:
1502 case HOT_ADD_DISK:
1503 case SET_DISK_FAULTY:
1504 case SET_BITMAP_FILE:
1505 /* Big K */
1506 case KDSIGACCEPT:
1507 case KIOCSOUND:
1508 case KDMKTONE:
1509 case KDSETMODE:
1510 case KDSKBMODE:
1511 case KDSKBMETA:
1512 case KDSKBLED:
1513 case KDSETLED:
1514 return vfs_ioctl(file, cmd, arg);
1515 }
1516
1517 return -ENOIOCTLCMD;
1518 }
1519
1520 static int compat_ioctl_check_table(unsigned int xcmd)
1521 {
1522 int i;
1523 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1524
1525 BUILD_BUG_ON(max >= (1 << 16));
1526
1527 /* guess initial offset into table, assuming a
1528 normalized distribution */
1529 i = ((xcmd >> 16) * max) >> 16;
1530
1531 /* do linear search up first, until greater or equal */
1532 while (ioctl_pointer[i] < xcmd && i < max)
1533 i++;
1534
1535 /* then do linear search down */
1536 while (ioctl_pointer[i] > xcmd && i > 0)
1537 i--;
1538
1539 return ioctl_pointer[i] == xcmd;
1540 }
1541
1542 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1543 compat_ulong_t, arg32)
1544 {
1545 unsigned long arg = arg32;
1546 struct fd f = fdget(fd);
1547 int error = -EBADF;
1548 if (!f.file)
1549 goto out;
1550
1551 /* RED-PEN how should LSM module know it's handling 32bit? */
1552 error = security_file_ioctl(f.file, cmd, arg);
1553 if (error)
1554 goto out_fput;
1555
1556 /*
1557 * To allow the compat_ioctl handlers to be self contained
1558 * we need to check the common ioctls here first.
1559 * Just handle them with the standard handlers below.
1560 */
1561 switch (cmd) {
1562 case FIOCLEX:
1563 case FIONCLEX:
1564 case FIONBIO:
1565 case FIOASYNC:
1566 case FIOQSIZE:
1567 break;
1568
1569 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1570 case FS_IOC_RESVSP_32:
1571 case FS_IOC_RESVSP64_32:
1572 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1573 goto out_fput;
1574 #else
1575 case FS_IOC_RESVSP:
1576 case FS_IOC_RESVSP64:
1577 error = ioctl_preallocate(f.file, compat_ptr(arg));
1578 goto out_fput;
1579 #endif
1580
1581 case FICLONE:
1582 case FICLONERANGE:
1583 case FIDEDUPERANGE:
1584 goto do_ioctl;
1585
1586 case FIBMAP:
1587 case FIGETBSZ:
1588 case FIONREAD:
1589 if (S_ISREG(file_inode(f.file)->i_mode))
1590 break;
1591 /*FALL THROUGH*/
1592
1593 default:
1594 if (f.file->f_op->compat_ioctl) {
1595 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1596 if (error != -ENOIOCTLCMD)
1597 goto out_fput;
1598 }
1599
1600 if (!f.file->f_op->unlocked_ioctl)
1601 goto do_ioctl;
1602 break;
1603 }
1604
1605 if (compat_ioctl_check_table(XFORM(cmd)))
1606 goto found_handler;
1607
1608 error = do_ioctl_trans(cmd, arg, f.file);
1609 if (error == -ENOIOCTLCMD)
1610 error = -ENOTTY;
1611
1612 goto out_fput;
1613
1614 found_handler:
1615 arg = (unsigned long)compat_ptr(arg);
1616 do_ioctl:
1617 error = do_vfs_ioctl(f.file, fd, cmd, arg);
1618 out_fput:
1619 fdput(f);
1620 out:
1621 return error;
1622 }
1623
1624 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1625 {
1626 unsigned int a, b;
1627 a = *(unsigned int *)p;
1628 b = *(unsigned int *)q;
1629 if (a > b)
1630 return 1;
1631 if (a < b)
1632 return -1;
1633 return 0;
1634 }
1635
1636 static int __init init_sys32_ioctl(void)
1637 {
1638 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1639 init_sys32_ioctl_cmp, NULL);
1640 return 0;
1641 }
1642 __initcall(init_sys32_ioctl);
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