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compat_ioctl: don't pass fd around when not needed
[deliverable/linux.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
61 #include "internal.h"
62
63 #include <net/bluetooth/bluetooth.h>
64 #include <net/bluetooth/hci_sock.h>
65 #include <net/bluetooth/rfcomm.h>
66
67 #include <linux/capi.h>
68 #include <linux/gigaset_dev.h>
69
70 #ifdef CONFIG_BLOCK
71 #include <linux/cdrom.h>
72 #include <linux/fd.h>
73 #include <scsi/scsi.h>
74 #include <scsi/scsi_ioctl.h>
75 #include <scsi/sg.h>
76 #endif
77
78 #include <asm/uaccess.h>
79 #include <linux/ethtool.h>
80 #include <linux/mii.h>
81 #include <linux/if_bonding.h>
82 #include <linux/watchdog.h>
83
84 #include <linux/soundcard.h>
85 #include <linux/lp.h>
86 #include <linux/ppdev.h>
87
88 #include <linux/atm.h>
89 #include <linux/atmarp.h>
90 #include <linux/atmclip.h>
91 #include <linux/atmdev.h>
92 #include <linux/atmioc.h>
93 #include <linux/atmlec.h>
94 #include <linux/atmmpc.h>
95 #include <linux/atmsvc.h>
96 #include <linux/atm_tcp.h>
97 #include <linux/sonet.h>
98 #include <linux/atm_suni.h>
99
100 #include <linux/usb.h>
101 #include <linux/usbdevice_fs.h>
102 #include <linux/nbd.h>
103 #include <linux/random.h>
104 #include <linux/filter.h>
105
106 #include <linux/hiddev.h>
107
108 #define __DVB_CORE__
109 #include <linux/dvb/audio.h>
110 #include <linux/dvb/dmx.h>
111 #include <linux/dvb/frontend.h>
112 #include <linux/dvb/video.h>
113
114 #include <linux/sort.h>
115
116 #ifdef CONFIG_SPARC
117 #include <asm/fbio.h>
118 #endif
119
120 static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
121 {
122 int err;
123
124 err = security_file_ioctl(file, cmd, arg);
125 if (err)
126 return err;
127
128 return vfs_ioctl(file, cmd, arg);
129 }
130
131 static int w_long(struct file *file,
132 unsigned int cmd, compat_ulong_t __user *argp)
133 {
134 mm_segment_t old_fs = get_fs();
135 int err;
136 unsigned long val;
137
138 set_fs (KERNEL_DS);
139 err = do_ioctl(file, cmd, (unsigned long)&val);
140 set_fs (old_fs);
141 if (!err && put_user(val, argp))
142 return -EFAULT;
143 return err;
144 }
145
146 struct compat_video_event {
147 int32_t type;
148 compat_time_t timestamp;
149 union {
150 video_size_t size;
151 unsigned int frame_rate;
152 } u;
153 };
154
155 static int do_video_get_event(struct file *file,
156 unsigned int cmd, struct compat_video_event __user *up)
157 {
158 struct video_event kevent;
159 mm_segment_t old_fs = get_fs();
160 int err;
161
162 set_fs(KERNEL_DS);
163 err = do_ioctl(file, cmd, (unsigned long) &kevent);
164 set_fs(old_fs);
165
166 if (!err) {
167 err = put_user(kevent.type, &up->type);
168 err |= put_user(kevent.timestamp, &up->timestamp);
169 err |= put_user(kevent.u.size.w, &up->u.size.w);
170 err |= put_user(kevent.u.size.h, &up->u.size.h);
171 err |= put_user(kevent.u.size.aspect_ratio,
172 &up->u.size.aspect_ratio);
173 if (err)
174 err = -EFAULT;
175 }
176
177 return err;
178 }
179
180 struct compat_video_still_picture {
181 compat_uptr_t iFrame;
182 int32_t size;
183 };
184
185 static int do_video_stillpicture(struct file *file,
186 unsigned int cmd, struct compat_video_still_picture __user *up)
187 {
188 struct video_still_picture __user *up_native;
189 compat_uptr_t fp;
190 int32_t size;
191 int err;
192
193 err = get_user(fp, &up->iFrame);
194 err |= get_user(size, &up->size);
195 if (err)
196 return -EFAULT;
197
198 up_native =
199 compat_alloc_user_space(sizeof(struct video_still_picture));
200
201 err = put_user(compat_ptr(fp), &up_native->iFrame);
202 err |= put_user(size, &up_native->size);
203 if (err)
204 return -EFAULT;
205
206 err = do_ioctl(file, cmd, (unsigned long) up_native);
207
208 return err;
209 }
210
211 struct compat_video_spu_palette {
212 int length;
213 compat_uptr_t palette;
214 };
215
216 static int do_video_set_spu_palette(struct file *file,
217 unsigned int cmd, struct compat_video_spu_palette __user *up)
218 {
219 struct video_spu_palette __user *up_native;
220 compat_uptr_t palp;
221 int length, err;
222
223 err = get_user(palp, &up->palette);
224 err |= get_user(length, &up->length);
225 if (err)
226 return -EFAULT;
227
228 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
229 err = put_user(compat_ptr(palp), &up_native->palette);
230 err |= put_user(length, &up_native->length);
231 if (err)
232 return -EFAULT;
233
234 err = do_ioctl(file, cmd, (unsigned long) up_native);
235
236 return err;
237 }
238
239 #ifdef CONFIG_BLOCK
240 typedef struct sg_io_hdr32 {
241 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
242 compat_int_t dxfer_direction; /* [i] data transfer direction */
243 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
244 unsigned char mx_sb_len; /* [i] max length to write to sbp */
245 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
246 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
247 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
248 or scatter gather list */
249 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
250 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
251 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
252 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
253 compat_int_t pack_id; /* [i->o] unused internally (normally) */
254 compat_uptr_t usr_ptr; /* [i->o] unused internally */
255 unsigned char status; /* [o] scsi status */
256 unsigned char masked_status; /* [o] shifted, masked scsi status */
257 unsigned char msg_status; /* [o] messaging level data (optional) */
258 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
259 unsigned short host_status; /* [o] errors from host adapter */
260 unsigned short driver_status; /* [o] errors from software driver */
261 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
262 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
263 compat_uint_t info; /* [o] auxiliary information */
264 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
265
266 typedef struct sg_iovec32 {
267 compat_uint_t iov_base;
268 compat_uint_t iov_len;
269 } sg_iovec32_t;
270
271 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
272 {
273 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
274 sg_iovec32_t __user *iov32 = dxferp;
275 int i;
276
277 for (i = 0; i < iovec_count; i++) {
278 u32 base, len;
279
280 if (get_user(base, &iov32[i].iov_base) ||
281 get_user(len, &iov32[i].iov_len) ||
282 put_user(compat_ptr(base), &iov[i].iov_base) ||
283 put_user(len, &iov[i].iov_len))
284 return -EFAULT;
285 }
286
287 if (put_user(iov, &sgio->dxferp))
288 return -EFAULT;
289 return 0;
290 }
291
292 static int sg_ioctl_trans(struct file *file, unsigned int cmd,
293 sg_io_hdr32_t __user *sgio32)
294 {
295 sg_io_hdr_t __user *sgio;
296 u16 iovec_count;
297 u32 data;
298 void __user *dxferp;
299 int err;
300 int interface_id;
301
302 if (get_user(interface_id, &sgio32->interface_id))
303 return -EFAULT;
304 if (interface_id != 'S')
305 return do_ioctl(file, cmd, (unsigned long)sgio32);
306
307 if (get_user(iovec_count, &sgio32->iovec_count))
308 return -EFAULT;
309
310 {
311 void __user *top = compat_alloc_user_space(0);
312 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
313 (iovec_count * sizeof(sg_iovec_t)));
314 if (new > top)
315 return -EINVAL;
316
317 sgio = new;
318 }
319
320 /* Ok, now construct. */
321 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
322 (2 * sizeof(int)) +
323 (2 * sizeof(unsigned char)) +
324 (1 * sizeof(unsigned short)) +
325 (1 * sizeof(unsigned int))))
326 return -EFAULT;
327
328 if (get_user(data, &sgio32->dxferp))
329 return -EFAULT;
330 dxferp = compat_ptr(data);
331 if (iovec_count) {
332 if (sg_build_iovec(sgio, dxferp, iovec_count))
333 return -EFAULT;
334 } else {
335 if (put_user(dxferp, &sgio->dxferp))
336 return -EFAULT;
337 }
338
339 {
340 unsigned char __user *cmdp;
341 unsigned char __user *sbp;
342
343 if (get_user(data, &sgio32->cmdp))
344 return -EFAULT;
345 cmdp = compat_ptr(data);
346
347 if (get_user(data, &sgio32->sbp))
348 return -EFAULT;
349 sbp = compat_ptr(data);
350
351 if (put_user(cmdp, &sgio->cmdp) ||
352 put_user(sbp, &sgio->sbp))
353 return -EFAULT;
354 }
355
356 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
357 3 * sizeof(int)))
358 return -EFAULT;
359
360 if (get_user(data, &sgio32->usr_ptr))
361 return -EFAULT;
362 if (put_user(compat_ptr(data), &sgio->usr_ptr))
363 return -EFAULT;
364
365 err = do_ioctl(file, cmd, (unsigned long) sgio);
366
367 if (err >= 0) {
368 void __user *datap;
369
370 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
371 sizeof(int)) ||
372 get_user(datap, &sgio->usr_ptr) ||
373 put_user((u32)(unsigned long)datap,
374 &sgio32->usr_ptr) ||
375 copy_in_user(&sgio32->status, &sgio->status,
376 (4 * sizeof(unsigned char)) +
377 (2 * sizeof(unsigned short)) +
378 (3 * sizeof(int))))
379 err = -EFAULT;
380 }
381
382 return err;
383 }
384
385 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
386 char req_state;
387 char orphan;
388 char sg_io_owned;
389 char problem;
390 int pack_id;
391 compat_uptr_t usr_ptr;
392 unsigned int duration;
393 int unused;
394 };
395
396 static int sg_grt_trans(struct file *file,
397 unsigned int cmd, struct compat_sg_req_info __user *o)
398 {
399 int err, i;
400 sg_req_info_t __user *r;
401 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
402 err = do_ioctl(file, cmd, (unsigned long)r);
403 if (err < 0)
404 return err;
405 for (i = 0; i < SG_MAX_QUEUE; i++) {
406 void __user *ptr;
407 int d;
408
409 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
410 get_user(ptr, &r[i].usr_ptr) ||
411 get_user(d, &r[i].duration) ||
412 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
413 put_user(d, &o[i].duration))
414 return -EFAULT;
415 }
416 return err;
417 }
418 #endif /* CONFIG_BLOCK */
419
420 struct sock_fprog32 {
421 unsigned short len;
422 compat_caddr_t filter;
423 };
424
425 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
426 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
427
428 static int ppp_sock_fprog_ioctl_trans(struct file *file,
429 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
430 {
431 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
432 void __user *fptr64;
433 u32 fptr32;
434 u16 flen;
435
436 if (get_user(flen, &u_fprog32->len) ||
437 get_user(fptr32, &u_fprog32->filter))
438 return -EFAULT;
439
440 fptr64 = compat_ptr(fptr32);
441
442 if (put_user(flen, &u_fprog64->len) ||
443 put_user(fptr64, &u_fprog64->filter))
444 return -EFAULT;
445
446 if (cmd == PPPIOCSPASS32)
447 cmd = PPPIOCSPASS;
448 else
449 cmd = PPPIOCSACTIVE;
450
451 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
452 }
453
454 struct ppp_option_data32 {
455 compat_caddr_t ptr;
456 u32 length;
457 compat_int_t transmit;
458 };
459 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
460
461 struct ppp_idle32 {
462 compat_time_t xmit_idle;
463 compat_time_t recv_idle;
464 };
465 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
466
467 static int ppp_gidle(struct file *file, unsigned int cmd,
468 struct ppp_idle32 __user *idle32)
469 {
470 struct ppp_idle __user *idle;
471 __kernel_time_t xmit, recv;
472 int err;
473
474 idle = compat_alloc_user_space(sizeof(*idle));
475
476 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
477
478 if (!err) {
479 if (get_user(xmit, &idle->xmit_idle) ||
480 get_user(recv, &idle->recv_idle) ||
481 put_user(xmit, &idle32->xmit_idle) ||
482 put_user(recv, &idle32->recv_idle))
483 err = -EFAULT;
484 }
485 return err;
486 }
487
488 static int ppp_scompress(struct file *file, unsigned int cmd,
489 struct ppp_option_data32 __user *odata32)
490 {
491 struct ppp_option_data __user *odata;
492 __u32 data;
493 void __user *datap;
494
495 odata = compat_alloc_user_space(sizeof(*odata));
496
497 if (get_user(data, &odata32->ptr))
498 return -EFAULT;
499
500 datap = compat_ptr(data);
501 if (put_user(datap, &odata->ptr))
502 return -EFAULT;
503
504 if (copy_in_user(&odata->length, &odata32->length,
505 sizeof(__u32) + sizeof(int)))
506 return -EFAULT;
507
508 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
509 }
510
511 #ifdef CONFIG_BLOCK
512 struct mtget32 {
513 compat_long_t mt_type;
514 compat_long_t mt_resid;
515 compat_long_t mt_dsreg;
516 compat_long_t mt_gstat;
517 compat_long_t mt_erreg;
518 compat_daddr_t mt_fileno;
519 compat_daddr_t mt_blkno;
520 };
521 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
522
523 struct mtpos32 {
524 compat_long_t mt_blkno;
525 };
526 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
527
528 static int mt_ioctl_trans(struct file *file,
529 unsigned int cmd, void __user *argp)
530 {
531 mm_segment_t old_fs = get_fs();
532 struct mtget get;
533 struct mtget32 __user *umget32;
534 struct mtpos pos;
535 struct mtpos32 __user *upos32;
536 unsigned long kcmd;
537 void *karg;
538 int err = 0;
539
540 switch(cmd) {
541 case MTIOCPOS32:
542 kcmd = MTIOCPOS;
543 karg = &pos;
544 break;
545 default: /* MTIOCGET32 */
546 kcmd = MTIOCGET;
547 karg = &get;
548 break;
549 }
550 set_fs (KERNEL_DS);
551 err = do_ioctl(file, kcmd, (unsigned long)karg);
552 set_fs (old_fs);
553 if (err)
554 return err;
555 switch (cmd) {
556 case MTIOCPOS32:
557 upos32 = argp;
558 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
559 break;
560 case MTIOCGET32:
561 umget32 = argp;
562 err = __put_user(get.mt_type, &umget32->mt_type);
563 err |= __put_user(get.mt_resid, &umget32->mt_resid);
564 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
565 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
566 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
567 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
568 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
569 break;
570 }
571 return err ? -EFAULT: 0;
572 }
573
574 #endif /* CONFIG_BLOCK */
575
576 /* Bluetooth ioctls */
577 #define HCIUARTSETPROTO _IOW('U', 200, int)
578 #define HCIUARTGETPROTO _IOR('U', 201, int)
579 #define HCIUARTGETDEVICE _IOR('U', 202, int)
580 #define HCIUARTSETFLAGS _IOW('U', 203, int)
581 #define HCIUARTGETFLAGS _IOR('U', 204, int)
582
583 #define BNEPCONNADD _IOW('B', 200, int)
584 #define BNEPCONNDEL _IOW('B', 201, int)
585 #define BNEPGETCONNLIST _IOR('B', 210, int)
586 #define BNEPGETCONNINFO _IOR('B', 211, int)
587 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
588
589 #define CMTPCONNADD _IOW('C', 200, int)
590 #define CMTPCONNDEL _IOW('C', 201, int)
591 #define CMTPGETCONNLIST _IOR('C', 210, int)
592 #define CMTPGETCONNINFO _IOR('C', 211, int)
593
594 #define HIDPCONNADD _IOW('H', 200, int)
595 #define HIDPCONNDEL _IOW('H', 201, int)
596 #define HIDPGETCONNLIST _IOR('H', 210, int)
597 #define HIDPGETCONNINFO _IOR('H', 211, int)
598
599
600 struct serial_struct32 {
601 compat_int_t type;
602 compat_int_t line;
603 compat_uint_t port;
604 compat_int_t irq;
605 compat_int_t flags;
606 compat_int_t xmit_fifo_size;
607 compat_int_t custom_divisor;
608 compat_int_t baud_base;
609 unsigned short close_delay;
610 char io_type;
611 char reserved_char[1];
612 compat_int_t hub6;
613 unsigned short closing_wait; /* time to wait before closing */
614 unsigned short closing_wait2; /* no longer used... */
615 compat_uint_t iomem_base;
616 unsigned short iomem_reg_shift;
617 unsigned int port_high;
618 /* compat_ulong_t iomap_base FIXME */
619 compat_int_t reserved[1];
620 };
621
622 static int serial_struct_ioctl(struct file *file,
623 unsigned cmd, struct serial_struct32 __user *ss32)
624 {
625 typedef struct serial_struct32 SS32;
626 int err;
627 struct serial_struct ss;
628 mm_segment_t oldseg = get_fs();
629 __u32 udata;
630 unsigned int base;
631
632 if (cmd == TIOCSSERIAL) {
633 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
634 return -EFAULT;
635 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
636 return -EFAULT;
637 if (__get_user(udata, &ss32->iomem_base))
638 return -EFAULT;
639 ss.iomem_base = compat_ptr(udata);
640 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
641 __get_user(ss.port_high, &ss32->port_high))
642 return -EFAULT;
643 ss.iomap_base = 0UL;
644 }
645 set_fs(KERNEL_DS);
646 err = do_ioctl(file, cmd, (unsigned long)&ss);
647 set_fs(oldseg);
648 if (cmd == TIOCGSERIAL && err >= 0) {
649 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
650 return -EFAULT;
651 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
652 return -EFAULT;
653 base = (unsigned long)ss.iomem_base >> 32 ?
654 0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
655 if (__put_user(base, &ss32->iomem_base) ||
656 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
657 __put_user(ss.port_high, &ss32->port_high))
658 return -EFAULT;
659 }
660 return err;
661 }
662
663 /*
664 * I2C layer ioctls
665 */
666
667 struct i2c_msg32 {
668 u16 addr;
669 u16 flags;
670 u16 len;
671 compat_caddr_t buf;
672 };
673
674 struct i2c_rdwr_ioctl_data32 {
675 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
676 u32 nmsgs;
677 };
678
679 struct i2c_smbus_ioctl_data32 {
680 u8 read_write;
681 u8 command;
682 u32 size;
683 compat_caddr_t data; /* union i2c_smbus_data *data */
684 };
685
686 struct i2c_rdwr_aligned {
687 struct i2c_rdwr_ioctl_data cmd;
688 struct i2c_msg msgs[0];
689 };
690
691 static int do_i2c_rdwr_ioctl(struct file *file,
692 unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
693 {
694 struct i2c_rdwr_aligned __user *tdata;
695 struct i2c_msg __user *tmsgs;
696 struct i2c_msg32 __user *umsgs;
697 compat_caddr_t datap;
698 u32 nmsgs;
699 int i;
700
701 if (get_user(nmsgs, &udata->nmsgs))
702 return -EFAULT;
703 if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS)
704 return -EINVAL;
705
706 if (get_user(datap, &udata->msgs))
707 return -EFAULT;
708 umsgs = compat_ptr(datap);
709
710 tdata = compat_alloc_user_space(sizeof(*tdata) +
711 nmsgs * sizeof(struct i2c_msg));
712 tmsgs = &tdata->msgs[0];
713
714 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
715 put_user(tmsgs, &tdata->cmd.msgs))
716 return -EFAULT;
717
718 for (i = 0; i < nmsgs; i++) {
719 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
720 return -EFAULT;
721 if (get_user(datap, &umsgs[i].buf) ||
722 put_user(compat_ptr(datap), &tmsgs[i].buf))
723 return -EFAULT;
724 }
725 return do_ioctl(file, cmd, (unsigned long)tdata);
726 }
727
728 static int do_i2c_smbus_ioctl(struct file *file,
729 unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata)
730 {
731 struct i2c_smbus_ioctl_data __user *tdata;
732 compat_caddr_t datap;
733
734 tdata = compat_alloc_user_space(sizeof(*tdata));
735 if (tdata == NULL)
736 return -ENOMEM;
737 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
738 return -EFAULT;
739
740 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
741 return -EFAULT;
742
743 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
744 return -EFAULT;
745 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
746 return -EFAULT;
747 if (__get_user(datap, &udata->data) ||
748 __put_user(compat_ptr(datap), &tdata->data))
749 return -EFAULT;
750
751 return do_ioctl(file, cmd, (unsigned long)tdata);
752 }
753
754 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
755 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
756 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
757 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
758
759 static int rtc_ioctl(struct file *file,
760 unsigned cmd, void __user *argp)
761 {
762 mm_segment_t oldfs = get_fs();
763 compat_ulong_t val32;
764 unsigned long kval;
765 int ret;
766
767 switch (cmd) {
768 case RTC_IRQP_READ32:
769 case RTC_EPOCH_READ32:
770 set_fs(KERNEL_DS);
771 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
772 RTC_IRQP_READ : RTC_EPOCH_READ,
773 (unsigned long)&kval);
774 set_fs(oldfs);
775 if (ret)
776 return ret;
777 val32 = kval;
778 return put_user(val32, (unsigned int __user *)argp);
779 case RTC_IRQP_SET32:
780 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
781 case RTC_EPOCH_SET32:
782 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
783 }
784
785 return -ENOIOCTLCMD;
786 }
787
788 /* on ia32 l_start is on a 32-bit boundary */
789 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
790 struct space_resv_32 {
791 __s16 l_type;
792 __s16 l_whence;
793 __s64 l_start __attribute__((packed));
794 /* len == 0 means until end of file */
795 __s64 l_len __attribute__((packed));
796 __s32 l_sysid;
797 __u32 l_pid;
798 __s32 l_pad[4]; /* reserve area */
799 };
800
801 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
802 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
803
804 /* just account for different alignment */
805 static int compat_ioctl_preallocate(struct file *file,
806 struct space_resv_32 __user *p32)
807 {
808 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
809
810 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
811 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
812 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
813 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
814 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
815 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
816 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
817 return -EFAULT;
818
819 return ioctl_preallocate(file, p);
820 }
821 #endif
822
823 /*
824 * simple reversible transform to make our table more evenly
825 * distributed after sorting.
826 */
827 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
828
829 #define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
830 /* ioctl should not be warned about even if it's not implemented.
831 Valid reasons to use this:
832 - It is implemented with ->compat_ioctl on some device, but programs
833 call it on others too.
834 - The ioctl is not implemented in the native kernel, but programs
835 call it commonly anyways.
836 Most other reasons are not valid. */
837 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
838
839 static unsigned int ioctl_pointer[] = {
840 /* compatible ioctls first */
841 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
842 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
843
844 /* Big T */
845 COMPATIBLE_IOCTL(TCGETA)
846 COMPATIBLE_IOCTL(TCSETA)
847 COMPATIBLE_IOCTL(TCSETAW)
848 COMPATIBLE_IOCTL(TCSETAF)
849 COMPATIBLE_IOCTL(TCSBRK)
850 COMPATIBLE_IOCTL(TCXONC)
851 COMPATIBLE_IOCTL(TCFLSH)
852 COMPATIBLE_IOCTL(TCGETS)
853 COMPATIBLE_IOCTL(TCSETS)
854 COMPATIBLE_IOCTL(TCSETSW)
855 COMPATIBLE_IOCTL(TCSETSF)
856 COMPATIBLE_IOCTL(TIOCLINUX)
857 COMPATIBLE_IOCTL(TIOCSBRK)
858 COMPATIBLE_IOCTL(TIOCGDEV)
859 COMPATIBLE_IOCTL(TIOCCBRK)
860 COMPATIBLE_IOCTL(TIOCGSID)
861 COMPATIBLE_IOCTL(TIOCGICOUNT)
862 COMPATIBLE_IOCTL(TIOCGPKT)
863 COMPATIBLE_IOCTL(TIOCGPTLCK)
864 COMPATIBLE_IOCTL(TIOCGEXCL)
865 /* Little t */
866 COMPATIBLE_IOCTL(TIOCGETD)
867 COMPATIBLE_IOCTL(TIOCSETD)
868 COMPATIBLE_IOCTL(TIOCEXCL)
869 COMPATIBLE_IOCTL(TIOCNXCL)
870 COMPATIBLE_IOCTL(TIOCCONS)
871 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
872 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
873 COMPATIBLE_IOCTL(TIOCSWINSZ)
874 COMPATIBLE_IOCTL(TIOCGWINSZ)
875 COMPATIBLE_IOCTL(TIOCMGET)
876 COMPATIBLE_IOCTL(TIOCMBIC)
877 COMPATIBLE_IOCTL(TIOCMBIS)
878 COMPATIBLE_IOCTL(TIOCMSET)
879 COMPATIBLE_IOCTL(TIOCPKT)
880 COMPATIBLE_IOCTL(TIOCNOTTY)
881 COMPATIBLE_IOCTL(TIOCSTI)
882 COMPATIBLE_IOCTL(TIOCOUTQ)
883 COMPATIBLE_IOCTL(TIOCSPGRP)
884 COMPATIBLE_IOCTL(TIOCGPGRP)
885 COMPATIBLE_IOCTL(TIOCGPTN)
886 COMPATIBLE_IOCTL(TIOCSPTLCK)
887 COMPATIBLE_IOCTL(TIOCSERGETLSR)
888 COMPATIBLE_IOCTL(TIOCSIG)
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 /* ppdev */
1038 COMPATIBLE_IOCTL(PPSETMODE)
1039 COMPATIBLE_IOCTL(PPRSTATUS)
1040 COMPATIBLE_IOCTL(PPRCONTROL)
1041 COMPATIBLE_IOCTL(PPWCONTROL)
1042 COMPATIBLE_IOCTL(PPFCONTROL)
1043 COMPATIBLE_IOCTL(PPRDATA)
1044 COMPATIBLE_IOCTL(PPWDATA)
1045 COMPATIBLE_IOCTL(PPCLAIM)
1046 COMPATIBLE_IOCTL(PPRELEASE)
1047 COMPATIBLE_IOCTL(PPYIELD)
1048 COMPATIBLE_IOCTL(PPEXCL)
1049 COMPATIBLE_IOCTL(PPDATADIR)
1050 COMPATIBLE_IOCTL(PPNEGOT)
1051 COMPATIBLE_IOCTL(PPWCTLONIRQ)
1052 COMPATIBLE_IOCTL(PPCLRIRQ)
1053 COMPATIBLE_IOCTL(PPSETPHASE)
1054 COMPATIBLE_IOCTL(PPGETMODES)
1055 COMPATIBLE_IOCTL(PPGETMODE)
1056 COMPATIBLE_IOCTL(PPGETPHASE)
1057 COMPATIBLE_IOCTL(PPGETFLAGS)
1058 COMPATIBLE_IOCTL(PPSETFLAGS)
1059 /* Big A */
1060 /* sparc only */
1061 /* Big Q for sound/OSS */
1062 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1063 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1064 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1065 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1066 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1067 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1068 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1069 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1070 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1071 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1072 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1073 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1074 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1075 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1076 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1077 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1078 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1079 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1080 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1081 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1082 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1083 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1084 /* Big T for sound/OSS */
1085 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1086 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1087 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1088 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1089 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1090 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1091 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1092 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1093 /* Little m for sound/OSS */
1094 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1095 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1096 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1097 /* Big P for sound/OSS */
1098 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1099 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1100 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1101 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1102 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1103 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1104 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1105 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1106 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1107 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1108 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1109 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1110 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1111 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1112 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1113 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1114 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1115 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1116 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1117 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1118 /* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1119 /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1120 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1121 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1122 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1123 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1124 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1125 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1126 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1127 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1128 /* Big C for sound/OSS */
1129 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1130 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1131 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1132 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1133 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1134 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1135 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1136 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1137 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1138 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1139 /* Big M for sound/OSS */
1140 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1141 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1142 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1143 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1144 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1145 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1146 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1147 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1148 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1149 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1150 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1151 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1152 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1153 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1157 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1158 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1159 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1160 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1161 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1162 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1163 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1164 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1165 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1166 /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1167 /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1168 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1169 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1170 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1171 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1172 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1173 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1174 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1175 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1176 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1177 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1178 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1179 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1180 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1181 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1182 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1183 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1184 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1185 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1186 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1188 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1189 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1190 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1191 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1192 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1193 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1194 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1195 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1196 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1197 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1198 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1199 /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1200 /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1201 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1202 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1203 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1204 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1205 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1206 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1207 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1208 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1209 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1210 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1211 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1212 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1213 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1214 COMPATIBLE_IOCTL(OSS_GETVERSION)
1215 /* Raw devices */
1216 COMPATIBLE_IOCTL(RAW_SETBIND)
1217 COMPATIBLE_IOCTL(RAW_GETBIND)
1218 /* Watchdog */
1219 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1220 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1221 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1222 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1223 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1224 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1225 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1226 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1227 /* Big R */
1228 COMPATIBLE_IOCTL(RNDGETENTCNT)
1229 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1230 COMPATIBLE_IOCTL(RNDGETPOOL)
1231 COMPATIBLE_IOCTL(RNDADDENTROPY)
1232 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1233 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1234 /* Bluetooth */
1235 COMPATIBLE_IOCTL(HCIDEVUP)
1236 COMPATIBLE_IOCTL(HCIDEVDOWN)
1237 COMPATIBLE_IOCTL(HCIDEVRESET)
1238 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1239 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1240 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1241 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1242 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1243 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1244 COMPATIBLE_IOCTL(HCISETRAW)
1245 COMPATIBLE_IOCTL(HCISETSCAN)
1246 COMPATIBLE_IOCTL(HCISETAUTH)
1247 COMPATIBLE_IOCTL(HCISETENCRYPT)
1248 COMPATIBLE_IOCTL(HCISETPTYPE)
1249 COMPATIBLE_IOCTL(HCISETLINKPOL)
1250 COMPATIBLE_IOCTL(HCISETLINKMODE)
1251 COMPATIBLE_IOCTL(HCISETACLMTU)
1252 COMPATIBLE_IOCTL(HCISETSCOMTU)
1253 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1254 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1255 COMPATIBLE_IOCTL(HCIINQUIRY)
1256 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1257 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1258 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1259 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1260 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1261 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1262 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1263 COMPATIBLE_IOCTL(BNEPCONNADD)
1264 COMPATIBLE_IOCTL(BNEPCONNDEL)
1265 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1266 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1267 COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
1268 COMPATIBLE_IOCTL(CMTPCONNADD)
1269 COMPATIBLE_IOCTL(CMTPCONNDEL)
1270 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1271 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1272 COMPATIBLE_IOCTL(HIDPCONNADD)
1273 COMPATIBLE_IOCTL(HIDPCONNDEL)
1274 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1275 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1276 /* CAPI */
1277 COMPATIBLE_IOCTL(CAPI_REGISTER)
1278 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1279 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1280 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1281 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1282 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1283 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1284 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1285 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1286 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1287 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1288 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1289 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1290 /* Siemens Gigaset */
1291 COMPATIBLE_IOCTL(GIGASET_REDIR)
1292 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1293 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1294 COMPATIBLE_IOCTL(GIGASET_VERSION)
1295 /* Misc. */
1296 COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1297 COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1298 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1299 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1300 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1301 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1302 /* NBD */
1303 COMPATIBLE_IOCTL(NBD_DO_IT)
1304 COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1305 COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1306 COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
1307 COMPATIBLE_IOCTL(NBD_DISCONNECT)
1308 /* i2c */
1309 COMPATIBLE_IOCTL(I2C_SLAVE)
1310 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1311 COMPATIBLE_IOCTL(I2C_TENBIT)
1312 COMPATIBLE_IOCTL(I2C_PEC)
1313 COMPATIBLE_IOCTL(I2C_RETRIES)
1314 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1315 /* hiddev */
1316 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1317 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1318 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1319 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1320 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1321 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1322 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1323 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1324 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1325 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1326 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1327 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1328 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1329 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1330 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1331 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1332 /* dvb */
1333 COMPATIBLE_IOCTL(AUDIO_STOP)
1334 COMPATIBLE_IOCTL(AUDIO_PLAY)
1335 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1336 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1337 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1338 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1339 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1340 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1341 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1342 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1343 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1344 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1345 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1346 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1347 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1348 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1349 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1350 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1351 COMPATIBLE_IOCTL(DMX_START)
1352 COMPATIBLE_IOCTL(DMX_STOP)
1353 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1354 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1355 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1356 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1357 COMPATIBLE_IOCTL(DMX_GET_CAPS)
1358 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1359 COMPATIBLE_IOCTL(DMX_GET_STC)
1360 COMPATIBLE_IOCTL(FE_GET_INFO)
1361 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1362 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1363 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1364 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1365 COMPATIBLE_IOCTL(FE_SET_TONE)
1366 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1367 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1368 COMPATIBLE_IOCTL(FE_READ_STATUS)
1369 COMPATIBLE_IOCTL(FE_READ_BER)
1370 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1371 COMPATIBLE_IOCTL(FE_READ_SNR)
1372 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1373 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1374 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1375 COMPATIBLE_IOCTL(FE_GET_EVENT)
1376 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1377 COMPATIBLE_IOCTL(VIDEO_STOP)
1378 COMPATIBLE_IOCTL(VIDEO_PLAY)
1379 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1380 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1381 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1382 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1383 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1384 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1385 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1386 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1387 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1388 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1389 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1390 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1391 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1392 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1393 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1394 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1395 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1396 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1397 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1398 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1399
1400 /* joystick */
1401 COMPATIBLE_IOCTL(JSIOCGVERSION)
1402 COMPATIBLE_IOCTL(JSIOCGAXES)
1403 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1404 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1405
1406 #ifdef TIOCGLTC
1407 COMPATIBLE_IOCTL(TIOCGLTC)
1408 COMPATIBLE_IOCTL(TIOCSLTC)
1409 #endif
1410 #ifdef TIOCSTART
1411 /*
1412 * For these two we have definitions in ioctls.h and/or termios.h on
1413 * some architectures but no actual implemention. Some applications
1414 * like bash call them if they are defined in the headers, so we provide
1415 * entries here to avoid syslog message spew.
1416 */
1417 COMPATIBLE_IOCTL(TIOCSTART)
1418 COMPATIBLE_IOCTL(TIOCSTOP)
1419 #endif
1420
1421 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1422 but we don't want warnings on other file systems. So declare
1423 them as compatible here. */
1424 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1425 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1426
1427 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1428 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1429
1430 #ifdef CONFIG_SPARC
1431 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1432 IGNORE_IOCTL(FBIOGTYPE)
1433 IGNORE_IOCTL(FBIOSATTR)
1434 IGNORE_IOCTL(FBIOGATTR)
1435 IGNORE_IOCTL(FBIOSVIDEO)
1436 IGNORE_IOCTL(FBIOGVIDEO)
1437 IGNORE_IOCTL(FBIOSCURPOS)
1438 IGNORE_IOCTL(FBIOGCURPOS)
1439 IGNORE_IOCTL(FBIOGCURMAX)
1440 IGNORE_IOCTL(FBIOPUTCMAP32)
1441 IGNORE_IOCTL(FBIOGETCMAP32)
1442 IGNORE_IOCTL(FBIOSCURSOR32)
1443 IGNORE_IOCTL(FBIOGCURSOR32)
1444 #endif
1445 };
1446
1447 /*
1448 * Convert common ioctl arguments based on their command number
1449 *
1450 * Please do not add any code in here. Instead, implement
1451 * a compat_ioctl operation in the place that handleѕ the
1452 * ioctl for the native case.
1453 */
1454 static long do_ioctl_trans(unsigned int cmd,
1455 unsigned long arg, struct file *file)
1456 {
1457 void __user *argp = compat_ptr(arg);
1458
1459 switch (cmd) {
1460 case PPPIOCGIDLE32:
1461 return ppp_gidle(file, cmd, argp);
1462 case PPPIOCSCOMPRESS32:
1463 return ppp_scompress(file, cmd, argp);
1464 case PPPIOCSPASS32:
1465 case PPPIOCSACTIVE32:
1466 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
1467 #ifdef CONFIG_BLOCK
1468 case SG_IO:
1469 return sg_ioctl_trans(file, cmd, argp);
1470 case SG_GET_REQUEST_TABLE:
1471 return sg_grt_trans(file, cmd, argp);
1472 case MTIOCGET32:
1473 case MTIOCPOS32:
1474 return mt_ioctl_trans(file, cmd, argp);
1475 #endif
1476 /* Serial */
1477 case TIOCGSERIAL:
1478 case TIOCSSERIAL:
1479 return serial_struct_ioctl(file, cmd, argp);
1480 /* i2c */
1481 case I2C_FUNCS:
1482 return w_long(file, cmd, argp);
1483 case I2C_RDWR:
1484 return do_i2c_rdwr_ioctl(file, cmd, argp);
1485 case I2C_SMBUS:
1486 return do_i2c_smbus_ioctl(file, cmd, argp);
1487 /* Not implemented in the native kernel */
1488 case RTC_IRQP_READ32:
1489 case RTC_IRQP_SET32:
1490 case RTC_EPOCH_READ32:
1491 case RTC_EPOCH_SET32:
1492 return rtc_ioctl(file, cmd, argp);
1493
1494 /* dvb */
1495 case VIDEO_GET_EVENT:
1496 return do_video_get_event(file, cmd, argp);
1497 case VIDEO_STILLPICTURE:
1498 return do_video_stillpicture(file, cmd, argp);
1499 case VIDEO_SET_SPU_PALETTE:
1500 return do_video_set_spu_palette(file, cmd, argp);
1501 }
1502
1503 /*
1504 * These take an integer instead of a pointer as 'arg',
1505 * so we must not do a compat_ptr() translation.
1506 */
1507 switch (cmd) {
1508 /* Big T */
1509 case TCSBRKP:
1510 case TIOCMIWAIT:
1511 case TIOCSCTTY:
1512 /* RAID */
1513 case HOT_REMOVE_DISK:
1514 case HOT_ADD_DISK:
1515 case SET_DISK_FAULTY:
1516 case SET_BITMAP_FILE:
1517 /* Big K */
1518 case KDSIGACCEPT:
1519 case KIOCSOUND:
1520 case KDMKTONE:
1521 case KDSETMODE:
1522 case KDSKBMODE:
1523 case KDSKBMETA:
1524 case KDSKBLED:
1525 case KDSETLED:
1526 /* NBD */
1527 case NBD_SET_SOCK:
1528 case NBD_SET_BLKSIZE:
1529 case NBD_SET_SIZE:
1530 case NBD_SET_SIZE_BLOCKS:
1531 return vfs_ioctl(file, cmd, arg);
1532 }
1533
1534 return -ENOIOCTLCMD;
1535 }
1536
1537 static int compat_ioctl_check_table(unsigned int xcmd)
1538 {
1539 int i;
1540 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1541
1542 BUILD_BUG_ON(max >= (1 << 16));
1543
1544 /* guess initial offset into table, assuming a
1545 normalized distribution */
1546 i = ((xcmd >> 16) * max) >> 16;
1547
1548 /* do linear search up first, until greater or equal */
1549 while (ioctl_pointer[i] < xcmd && i < max)
1550 i++;
1551
1552 /* then do linear search down */
1553 while (ioctl_pointer[i] > xcmd && i > 0)
1554 i--;
1555
1556 return ioctl_pointer[i] == xcmd;
1557 }
1558
1559 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1560 compat_ulong_t, arg32)
1561 {
1562 unsigned long arg = arg32;
1563 struct fd f = fdget(fd);
1564 int error = -EBADF;
1565 if (!f.file)
1566 goto out;
1567
1568 /* RED-PEN how should LSM module know it's handling 32bit? */
1569 error = security_file_ioctl(f.file, cmd, arg);
1570 if (error)
1571 goto out_fput;
1572
1573 /*
1574 * To allow the compat_ioctl handlers to be self contained
1575 * we need to check the common ioctls here first.
1576 * Just handle them with the standard handlers below.
1577 */
1578 switch (cmd) {
1579 case FIOCLEX:
1580 case FIONCLEX:
1581 case FIONBIO:
1582 case FIOASYNC:
1583 case FIOQSIZE:
1584 break;
1585
1586 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1587 case FS_IOC_RESVSP_32:
1588 case FS_IOC_RESVSP64_32:
1589 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1590 goto out_fput;
1591 #else
1592 case FS_IOC_RESVSP:
1593 case FS_IOC_RESVSP64:
1594 error = ioctl_preallocate(f.file, compat_ptr(arg));
1595 goto out_fput;
1596 #endif
1597
1598 case FIBMAP:
1599 case FIGETBSZ:
1600 case FIONREAD:
1601 if (S_ISREG(file_inode(f.file)->i_mode))
1602 break;
1603 /*FALL THROUGH*/
1604
1605 default:
1606 if (f.file->f_op->compat_ioctl) {
1607 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1608 if (error != -ENOIOCTLCMD)
1609 goto out_fput;
1610 }
1611
1612 if (!f.file->f_op->unlocked_ioctl)
1613 goto do_ioctl;
1614 break;
1615 }
1616
1617 if (compat_ioctl_check_table(XFORM(cmd)))
1618 goto found_handler;
1619
1620 error = do_ioctl_trans(cmd, arg, f.file);
1621 if (error == -ENOIOCTLCMD)
1622 error = -ENOTTY;
1623
1624 goto out_fput;
1625
1626 found_handler:
1627 arg = (unsigned long)compat_ptr(arg);
1628 do_ioctl:
1629 error = do_vfs_ioctl(f.file, fd, cmd, arg);
1630 out_fput:
1631 fdput(f);
1632 out:
1633 return error;
1634 }
1635
1636 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1637 {
1638 unsigned int a, b;
1639 a = *(unsigned int *)p;
1640 b = *(unsigned int *)q;
1641 if (a > b)
1642 return 1;
1643 if (a < b)
1644 return -1;
1645 return 0;
1646 }
1647
1648 static int __init init_sys32_ioctl(void)
1649 {
1650 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1651 init_sys32_ioctl_cmp, NULL);
1652 return 0;
1653 }
1654 __initcall(init_sys32_ioctl);
Linux kernel - Deliverables
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