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HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
[linux/fpc-iii.git] / fs / compat_ioctl.c
blob5af973621c73639bd84ec0da51027c873811ecfe
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 <net/bluetooth/bluetooth.h>
62 #include <net/bluetooth/hci_sock.h>
63 #include <net/bluetooth/rfcomm.h>
64
65 #include <linux/capi.h>
66 #include <linux/gigaset_dev.h>
67
68 #ifdef CONFIG_BLOCK
69 #include <linux/cdrom.h>
70 #include <linux/fd.h>
71 #include <scsi/scsi.h>
72 #include <scsi/scsi_ioctl.h>
73 #include <scsi/sg.h>
74 #endif
75
76 #include <asm/uaccess.h>
77 #include <linux/ethtool.h>
78 #include <linux/mii.h>
79 #include <linux/if_bonding.h>
80 #include <linux/watchdog.h>
81
82 #include <linux/soundcard.h>
83 #include <linux/lp.h>
84 #include <linux/ppdev.h>
85
86 #include <linux/atm.h>
87 #include <linux/atmarp.h>
88 #include <linux/atmclip.h>
89 #include <linux/atmdev.h>
90 #include <linux/atmioc.h>
91 #include <linux/atmlec.h>
92 #include <linux/atmmpc.h>
93 #include <linux/atmsvc.h>
94 #include <linux/atm_tcp.h>
95 #include <linux/sonet.h>
96 #include <linux/atm_suni.h>
97
98 #include <linux/usb.h>
99 #include <linux/usbdevice_fs.h>
100 #include <linux/nbd.h>
101 #include <linux/random.h>
102 #include <linux/filter.h>
103
104 #include <linux/hiddev.h>
105
106 #define __DVB_CORE__
107 #include <linux/dvb/audio.h>
108 #include <linux/dvb/dmx.h>
109 #include <linux/dvb/frontend.h>
110 #include <linux/dvb/video.h>
111
112 #include <linux/sort.h>
113
114 #ifdef CONFIG_SPARC
115 #include <asm/fbio.h>
116 #endif
117
118 static int w_long(unsigned int fd, unsigned int cmd,
119 compat_ulong_t __user *argp)
120 {
121 mm_segment_t old_fs = get_fs();
122 int err;
123 unsigned long val;
124
125 set_fs (KERNEL_DS);
126 err = sys_ioctl(fd, cmd, (unsigned long)&val);
127 set_fs (old_fs);
128 if (!err && put_user(val, argp))
129 return -EFAULT;
130 return err;
131 }
132
133 struct compat_video_event {
134 int32_t type;
135 compat_time_t timestamp;
136 union {
137 video_size_t size;
138 unsigned int frame_rate;
139 } u;
140 };
141
142 static int do_video_get_event(unsigned int fd, unsigned int cmd,
143 struct compat_video_event __user *up)
144 {
145 struct video_event kevent;
146 mm_segment_t old_fs = get_fs();
147 int err;
148
149 set_fs(KERNEL_DS);
150 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
151 set_fs(old_fs);
152
153 if (!err) {
154 err = put_user(kevent.type, &up->type);
155 err |= put_user(kevent.timestamp, &up->timestamp);
156 err |= put_user(kevent.u.size.w, &up->u.size.w);
157 err |= put_user(kevent.u.size.h, &up->u.size.h);
158 err |= put_user(kevent.u.size.aspect_ratio,
159 &up->u.size.aspect_ratio);
160 if (err)
161 err = -EFAULT;
162 }
163
164 return err;
165 }
166
167 struct compat_video_still_picture {
168 compat_uptr_t iFrame;
169 int32_t size;
170 };
171
172 static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
173 struct compat_video_still_picture __user *up)
174 {
175 struct video_still_picture __user *up_native;
176 compat_uptr_t fp;
177 int32_t size;
178 int err;
179
180 err = get_user(fp, &up->iFrame);
181 err |= get_user(size, &up->size);
182 if (err)
183 return -EFAULT;
184
185 up_native =
186 compat_alloc_user_space(sizeof(struct video_still_picture));
187
188 err = put_user(compat_ptr(fp), &up_native->iFrame);
189 err |= put_user(size, &up_native->size);
190 if (err)
191 return -EFAULT;
192
193 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
194
195 return err;
196 }
197
198 struct compat_video_spu_palette {
199 int length;
200 compat_uptr_t palette;
201 };
202
203 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
204 struct compat_video_spu_palette __user *up)
205 {
206 struct video_spu_palette __user *up_native;
207 compat_uptr_t palp;
208 int length, err;
209
210 err = get_user(palp, &up->palette);
211 err |= get_user(length, &up->length);
212 if (err)
213 return -EFAULT;
214
215 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
216 err = put_user(compat_ptr(palp), &up_native->palette);
217 err |= put_user(length, &up_native->length);
218 if (err)
219 return -EFAULT;
220
221 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
222
223 return err;
224 }
225
226 #ifdef CONFIG_BLOCK
227 typedef struct sg_io_hdr32 {
228 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
229 compat_int_t dxfer_direction; /* [i] data transfer direction */
230 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
231 unsigned char mx_sb_len; /* [i] max length to write to sbp */
232 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
233 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
234 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
235 or scatter gather list */
236 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
237 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
238 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
239 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
240 compat_int_t pack_id; /* [i->o] unused internally (normally) */
241 compat_uptr_t usr_ptr; /* [i->o] unused internally */
242 unsigned char status; /* [o] scsi status */
243 unsigned char masked_status; /* [o] shifted, masked scsi status */
244 unsigned char msg_status; /* [o] messaging level data (optional) */
245 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
246 unsigned short host_status; /* [o] errors from host adapter */
247 unsigned short driver_status; /* [o] errors from software driver */
248 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
249 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
250 compat_uint_t info; /* [o] auxiliary information */
251 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
252
253 typedef struct sg_iovec32 {
254 compat_uint_t iov_base;
255 compat_uint_t iov_len;
256 } sg_iovec32_t;
257
258 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
259 {
260 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
261 sg_iovec32_t __user *iov32 = dxferp;
262 int i;
263
264 for (i = 0; i < iovec_count; i++) {
265 u32 base, len;
266
267 if (get_user(base, &iov32[i].iov_base) ||
268 get_user(len, &iov32[i].iov_len) ||
269 put_user(compat_ptr(base), &iov[i].iov_base) ||
270 put_user(len, &iov[i].iov_len))
271 return -EFAULT;
272 }
273
274 if (put_user(iov, &sgio->dxferp))
275 return -EFAULT;
276 return 0;
277 }
278
279 static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
280 sg_io_hdr32_t __user *sgio32)
281 {
282 sg_io_hdr_t __user *sgio;
283 u16 iovec_count;
284 u32 data;
285 void __user *dxferp;
286 int err;
287 int interface_id;
288
289 if (get_user(interface_id, &sgio32->interface_id))
290 return -EFAULT;
291 if (interface_id != 'S')
292 return sys_ioctl(fd, cmd, (unsigned long)sgio32);
293
294 if (get_user(iovec_count, &sgio32->iovec_count))
295 return -EFAULT;
296
297 {
298 void __user *top = compat_alloc_user_space(0);
299 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
300 (iovec_count * sizeof(sg_iovec_t)));
301 if (new > top)
302 return -EINVAL;
303
304 sgio = new;
305 }
306
307 /* Ok, now construct. */
308 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
309 (2 * sizeof(int)) +
310 (2 * sizeof(unsigned char)) +
311 (1 * sizeof(unsigned short)) +
312 (1 * sizeof(unsigned int))))
313 return -EFAULT;
314
315 if (get_user(data, &sgio32->dxferp))
316 return -EFAULT;
317 dxferp = compat_ptr(data);
318 if (iovec_count) {
319 if (sg_build_iovec(sgio, dxferp, iovec_count))
320 return -EFAULT;
321 } else {
322 if (put_user(dxferp, &sgio->dxferp))
323 return -EFAULT;
324 }
325
326 {
327 unsigned char __user *cmdp;
328 unsigned char __user *sbp;
329
330 if (get_user(data, &sgio32->cmdp))
331 return -EFAULT;
332 cmdp = compat_ptr(data);
333
334 if (get_user(data, &sgio32->sbp))
335 return -EFAULT;
336 sbp = compat_ptr(data);
337
338 if (put_user(cmdp, &sgio->cmdp) ||
339 put_user(sbp, &sgio->sbp))
340 return -EFAULT;
341 }
342
343 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
344 3 * sizeof(int)))
345 return -EFAULT;
346
347 if (get_user(data, &sgio32->usr_ptr))
348 return -EFAULT;
349 if (put_user(compat_ptr(data), &sgio->usr_ptr))
350 return -EFAULT;
351
352 err = sys_ioctl(fd, cmd, (unsigned long) sgio);
353
354 if (err >= 0) {
355 void __user *datap;
356
357 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
358 sizeof(int)) ||
359 get_user(datap, &sgio->usr_ptr) ||
360 put_user((u32)(unsigned long)datap,
361 &sgio32->usr_ptr) ||
362 copy_in_user(&sgio32->status, &sgio->status,
363 (4 * sizeof(unsigned char)) +
364 (2 * sizeof(unsigned short)) +
365 (3 * sizeof(int))))
366 err = -EFAULT;
367 }
368
369 return err;
370 }
371
372 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
373 char req_state;
374 char orphan;
375 char sg_io_owned;
376 char problem;
377 int pack_id;
378 compat_uptr_t usr_ptr;
379 unsigned int duration;
380 int unused;
381 };
382
383 static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
384 compat_sg_req_info __user *o)
385 {
386 int err, i;
387 sg_req_info_t __user *r;
388 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
389 err = sys_ioctl(fd,cmd,(unsigned long)r);
390 if (err < 0)
391 return err;
392 for (i = 0; i < SG_MAX_QUEUE; i++) {
393 void __user *ptr;
394 int d;
395
396 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
397 get_user(ptr, &r[i].usr_ptr) ||
398 get_user(d, &r[i].duration) ||
399 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
400 put_user(d, &o[i].duration))
401 return -EFAULT;
402 }
403 return err;
404 }
405 #endif /* CONFIG_BLOCK */
406
407 struct sock_fprog32 {
408 unsigned short len;
409 compat_caddr_t filter;
410 };
411
412 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
413 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
414
415 static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
416 struct sock_fprog32 __user *u_fprog32)
417 {
418 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
419 void __user *fptr64;
420 u32 fptr32;
421 u16 flen;
422
423 if (get_user(flen, &u_fprog32->len) ||
424 get_user(fptr32, &u_fprog32->filter))
425 return -EFAULT;
426
427 fptr64 = compat_ptr(fptr32);
428
429 if (put_user(flen, &u_fprog64->len) ||
430 put_user(fptr64, &u_fprog64->filter))
431 return -EFAULT;
432
433 if (cmd == PPPIOCSPASS32)
434 cmd = PPPIOCSPASS;
435 else
436 cmd = PPPIOCSACTIVE;
437
438 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
439 }
440
441 struct ppp_option_data32 {
442 compat_caddr_t ptr;
443 u32 length;
444 compat_int_t transmit;
445 };
446 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
447
448 struct ppp_idle32 {
449 compat_time_t xmit_idle;
450 compat_time_t recv_idle;
451 };
452 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
453
454 static int ppp_gidle(unsigned int fd, unsigned int cmd,
455 struct ppp_idle32 __user *idle32)
456 {
457 struct ppp_idle __user *idle;
458 __kernel_time_t xmit, recv;
459 int err;
460
461 idle = compat_alloc_user_space(sizeof(*idle));
462
463 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
464
465 if (!err) {
466 if (get_user(xmit, &idle->xmit_idle) ||
467 get_user(recv, &idle->recv_idle) ||
468 put_user(xmit, &idle32->xmit_idle) ||
469 put_user(recv, &idle32->recv_idle))
470 err = -EFAULT;
471 }
472 return err;
473 }
474
475 static int ppp_scompress(unsigned int fd, unsigned int cmd,
476 struct ppp_option_data32 __user *odata32)
477 {
478 struct ppp_option_data __user *odata;
479 __u32 data;
480 void __user *datap;
481
482 odata = compat_alloc_user_space(sizeof(*odata));
483
484 if (get_user(data, &odata32->ptr))
485 return -EFAULT;
486
487 datap = compat_ptr(data);
488 if (put_user(datap, &odata->ptr))
489 return -EFAULT;
490
491 if (copy_in_user(&odata->length, &odata32->length,
492 sizeof(__u32) + sizeof(int)))
493 return -EFAULT;
494
495 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
496 }
497
498 #ifdef CONFIG_BLOCK
499 struct mtget32 {
500 compat_long_t mt_type;
501 compat_long_t mt_resid;
502 compat_long_t mt_dsreg;
503 compat_long_t mt_gstat;
504 compat_long_t mt_erreg;
505 compat_daddr_t mt_fileno;
506 compat_daddr_t mt_blkno;
507 };
508 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
509
510 struct mtpos32 {
511 compat_long_t mt_blkno;
512 };
513 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
514
515 static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
516 {
517 mm_segment_t old_fs = get_fs();
518 struct mtget get;
519 struct mtget32 __user *umget32;
520 struct mtpos pos;
521 struct mtpos32 __user *upos32;
522 unsigned long kcmd;
523 void *karg;
524 int err = 0;
525
526 switch(cmd) {
527 case MTIOCPOS32:
528 kcmd = MTIOCPOS;
529 karg = &pos;
530 break;
531 default: /* MTIOCGET32 */
532 kcmd = MTIOCGET;
533 karg = &get;
534 break;
535 }
536 set_fs (KERNEL_DS);
537 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
538 set_fs (old_fs);
539 if (err)
540 return err;
541 switch (cmd) {
542 case MTIOCPOS32:
543 upos32 = argp;
544 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
545 break;
546 case MTIOCGET32:
547 umget32 = argp;
548 err = __put_user(get.mt_type, &umget32->mt_type);
549 err |= __put_user(get.mt_resid, &umget32->mt_resid);
550 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
551 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
552 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
553 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
554 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
555 break;
556 }
557 return err ? -EFAULT: 0;
558 }
559
560 #endif /* CONFIG_BLOCK */
561
562 /* Bluetooth ioctls */
563 #define HCIUARTSETPROTO _IOW('U', 200, int)
564 #define HCIUARTGETPROTO _IOR('U', 201, int)
565 #define HCIUARTGETDEVICE _IOR('U', 202, int)
566 #define HCIUARTSETFLAGS _IOW('U', 203, int)
567 #define HCIUARTGETFLAGS _IOR('U', 204, int)
568
569 #define BNEPCONNADD _IOW('B', 200, int)
570 #define BNEPCONNDEL _IOW('B', 201, int)
571 #define BNEPGETCONNLIST _IOR('B', 210, int)
572 #define BNEPGETCONNINFO _IOR('B', 211, int)
573 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
574
575 #define CMTPCONNADD _IOW('C', 200, int)
576 #define CMTPCONNDEL _IOW('C', 201, int)
577 #define CMTPGETCONNLIST _IOR('C', 210, int)
578 #define CMTPGETCONNINFO _IOR('C', 211, int)
579
580 #define HIDPCONNADD _IOW('H', 200, int)
581 #define HIDPCONNDEL _IOW('H', 201, int)
582 #define HIDPGETCONNLIST _IOR('H', 210, int)
583 #define HIDPGETCONNINFO _IOR('H', 211, int)
584
585
586 struct serial_struct32 {
587 compat_int_t type;
588 compat_int_t line;
589 compat_uint_t port;
590 compat_int_t irq;
591 compat_int_t flags;
592 compat_int_t xmit_fifo_size;
593 compat_int_t custom_divisor;
594 compat_int_t baud_base;
595 unsigned short close_delay;
596 char io_type;
597 char reserved_char[1];
598 compat_int_t hub6;
599 unsigned short closing_wait; /* time to wait before closing */
600 unsigned short closing_wait2; /* no longer used... */
601 compat_uint_t iomem_base;
602 unsigned short iomem_reg_shift;
603 unsigned int port_high;
604 /* compat_ulong_t iomap_base FIXME */
605 compat_int_t reserved[1];
606 };
607
608 static int serial_struct_ioctl(unsigned fd, unsigned cmd,
609 struct serial_struct32 __user *ss32)
610 {
611 typedef struct serial_struct32 SS32;
612 int err;
613 struct serial_struct ss;
614 mm_segment_t oldseg = get_fs();
615 __u32 udata;
616 unsigned int base;
617
618 if (cmd == TIOCSSERIAL) {
619 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
620 return -EFAULT;
621 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
622 return -EFAULT;
623 if (__get_user(udata, &ss32->iomem_base))
624 return -EFAULT;
625 ss.iomem_base = compat_ptr(udata);
626 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
627 __get_user(ss.port_high, &ss32->port_high))
628 return -EFAULT;
629 ss.iomap_base = 0UL;
630 }
631 set_fs(KERNEL_DS);
632 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
633 set_fs(oldseg);
634 if (cmd == TIOCGSERIAL && err >= 0) {
635 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
636 return -EFAULT;
637 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
638 return -EFAULT;
639 base = (unsigned long)ss.iomem_base >> 32 ?
640 0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
641 if (__put_user(base, &ss32->iomem_base) ||
642 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
643 __put_user(ss.port_high, &ss32->port_high))
644 return -EFAULT;
645 }
646 return err;
647 }
648
649 /*
650 * I2C layer ioctls
651 */
652
653 struct i2c_msg32 {
654 u16 addr;
655 u16 flags;
656 u16 len;
657 compat_caddr_t buf;
658 };
659
660 struct i2c_rdwr_ioctl_data32 {
661 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
662 u32 nmsgs;
663 };
664
665 struct i2c_smbus_ioctl_data32 {
666 u8 read_write;
667 u8 command;
668 u32 size;
669 compat_caddr_t data; /* union i2c_smbus_data *data */
670 };
671
672 struct i2c_rdwr_aligned {
673 struct i2c_rdwr_ioctl_data cmd;
674 struct i2c_msg msgs[0];
675 };
676
677 static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
678 struct i2c_rdwr_ioctl_data32 __user *udata)
679 {
680 struct i2c_rdwr_aligned __user *tdata;
681 struct i2c_msg __user *tmsgs;
682 struct i2c_msg32 __user *umsgs;
683 compat_caddr_t datap;
684 u32 nmsgs;
685 int i;
686
687 if (get_user(nmsgs, &udata->nmsgs))
688 return -EFAULT;
689 if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS)
690 return -EINVAL;
691
692 if (get_user(datap, &udata->msgs))
693 return -EFAULT;
694 umsgs = compat_ptr(datap);
695
696 tdata = compat_alloc_user_space(sizeof(*tdata) +
697 nmsgs * sizeof(struct i2c_msg));
698 tmsgs = &tdata->msgs[0];
699
700 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
701 put_user(tmsgs, &tdata->cmd.msgs))
702 return -EFAULT;
703
704 for (i = 0; i < nmsgs; i++) {
705 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
706 return -EFAULT;
707 if (get_user(datap, &umsgs[i].buf) ||
708 put_user(compat_ptr(datap), &tmsgs[i].buf))
709 return -EFAULT;
710 }
711 return sys_ioctl(fd, cmd, (unsigned long)tdata);
712 }
713
714 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
715 struct i2c_smbus_ioctl_data32 __user *udata)
716 {
717 struct i2c_smbus_ioctl_data __user *tdata;
718 compat_caddr_t datap;
719
720 tdata = compat_alloc_user_space(sizeof(*tdata));
721 if (tdata == NULL)
722 return -ENOMEM;
723 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
724 return -EFAULT;
725
726 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
727 return -EFAULT;
728
729 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
730 return -EFAULT;
731 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
732 return -EFAULT;
733 if (__get_user(datap, &udata->data) ||
734 __put_user(compat_ptr(datap), &tdata->data))
735 return -EFAULT;
736
737 return sys_ioctl(fd, cmd, (unsigned long)tdata);
738 }
739
740 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
741 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
742 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
743 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
744
745 static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
746 {
747 mm_segment_t oldfs = get_fs();
748 compat_ulong_t val32;
749 unsigned long kval;
750 int ret;
751
752 switch (cmd) {
753 case RTC_IRQP_READ32:
754 case RTC_EPOCH_READ32:
755 set_fs(KERNEL_DS);
756 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
757 RTC_IRQP_READ : RTC_EPOCH_READ,
758 (unsigned long)&kval);
759 set_fs(oldfs);
760 if (ret)
761 return ret;
762 val32 = kval;
763 return put_user(val32, (unsigned int __user *)argp);
764 case RTC_IRQP_SET32:
765 return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
766 case RTC_EPOCH_SET32:
767 return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
768 }
769
770 return -ENOIOCTLCMD;
771 }
772
773 /* on ia32 l_start is on a 32-bit boundary */
774 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
775 struct space_resv_32 {
776 __s16 l_type;
777 __s16 l_whence;
778 __s64 l_start __attribute__((packed));
779 /* len == 0 means until end of file */
780 __s64 l_len __attribute__((packed));
781 __s32 l_sysid;
782 __u32 l_pid;
783 __s32 l_pad[4]; /* reserve area */
784 };
785
786 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
787 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
788
789 /* just account for different alignment */
790 static int compat_ioctl_preallocate(struct file *file,
791 struct space_resv_32 __user *p32)
792 {
793 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
794
795 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
796 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
797 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
798 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
799 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
800 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
801 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
802 return -EFAULT;
803
804 return ioctl_preallocate(file, p);
805 }
806 #endif
807
808 /*
809 * simple reversible transform to make our table more evenly
810 * distributed after sorting.
811 */
812 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
813
814 #define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
815 /* ioctl should not be warned about even if it's not implemented.
816 Valid reasons to use this:
817 - It is implemented with ->compat_ioctl on some device, but programs
818 call it on others too.
819 - The ioctl is not implemented in the native kernel, but programs
820 call it commonly anyways.
821 Most other reasons are not valid. */
822 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
823
824 static unsigned int ioctl_pointer[] = {
825 /* compatible ioctls first */
826 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
827 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
828
829 /* Big T */
830 COMPATIBLE_IOCTL(TCGETA)
831 COMPATIBLE_IOCTL(TCSETA)
832 COMPATIBLE_IOCTL(TCSETAW)
833 COMPATIBLE_IOCTL(TCSETAF)
834 COMPATIBLE_IOCTL(TCSBRK)
835 COMPATIBLE_IOCTL(TCXONC)
836 COMPATIBLE_IOCTL(TCFLSH)
837 COMPATIBLE_IOCTL(TCGETS)
838 COMPATIBLE_IOCTL(TCSETS)
839 COMPATIBLE_IOCTL(TCSETSW)
840 COMPATIBLE_IOCTL(TCSETSF)
841 COMPATIBLE_IOCTL(TIOCLINUX)
842 COMPATIBLE_IOCTL(TIOCSBRK)
843 COMPATIBLE_IOCTL(TIOCGDEV)
844 COMPATIBLE_IOCTL(TIOCCBRK)
845 COMPATIBLE_IOCTL(TIOCGSID)
846 COMPATIBLE_IOCTL(TIOCGICOUNT)
847 COMPATIBLE_IOCTL(TIOCGPKT)
848 COMPATIBLE_IOCTL(TIOCGPTLCK)
849 COMPATIBLE_IOCTL(TIOCGEXCL)
850 /* Little t */
851 COMPATIBLE_IOCTL(TIOCGETD)
852 COMPATIBLE_IOCTL(TIOCSETD)
853 COMPATIBLE_IOCTL(TIOCEXCL)
854 COMPATIBLE_IOCTL(TIOCNXCL)
855 COMPATIBLE_IOCTL(TIOCCONS)
856 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
857 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
858 COMPATIBLE_IOCTL(TIOCSWINSZ)
859 COMPATIBLE_IOCTL(TIOCGWINSZ)
860 COMPATIBLE_IOCTL(TIOCMGET)
861 COMPATIBLE_IOCTL(TIOCMBIC)
862 COMPATIBLE_IOCTL(TIOCMBIS)
863 COMPATIBLE_IOCTL(TIOCMSET)
864 COMPATIBLE_IOCTL(TIOCPKT)
865 COMPATIBLE_IOCTL(TIOCNOTTY)
866 COMPATIBLE_IOCTL(TIOCSTI)
867 COMPATIBLE_IOCTL(TIOCOUTQ)
868 COMPATIBLE_IOCTL(TIOCSPGRP)
869 COMPATIBLE_IOCTL(TIOCGPGRP)
870 COMPATIBLE_IOCTL(TIOCGPTN)
871 COMPATIBLE_IOCTL(TIOCSPTLCK)
872 COMPATIBLE_IOCTL(TIOCSERGETLSR)
873 COMPATIBLE_IOCTL(TIOCSIG)
874 #ifdef TIOCSRS485
875 COMPATIBLE_IOCTL(TIOCSRS485)
876 #endif
877 #ifdef TIOCGRS485
878 COMPATIBLE_IOCTL(TIOCGRS485)
879 #endif
880 #ifdef TCGETS2
881 COMPATIBLE_IOCTL(TCGETS2)
882 COMPATIBLE_IOCTL(TCSETS2)
883 COMPATIBLE_IOCTL(TCSETSW2)
884 COMPATIBLE_IOCTL(TCSETSF2)
885 #endif
886 /* Little f */
887 COMPATIBLE_IOCTL(FIOCLEX)
888 COMPATIBLE_IOCTL(FIONCLEX)
889 COMPATIBLE_IOCTL(FIOASYNC)
890 COMPATIBLE_IOCTL(FIONBIO)
891 COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
892 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
893 /* 0x00 */
894 COMPATIBLE_IOCTL(FIBMAP)
895 COMPATIBLE_IOCTL(FIGETBSZ)
896 /* 'X' - originally XFS but some now in the VFS */
897 COMPATIBLE_IOCTL(FIFREEZE)
898 COMPATIBLE_IOCTL(FITHAW)
899 COMPATIBLE_IOCTL(FITRIM)
900 COMPATIBLE_IOCTL(KDGETKEYCODE)
901 COMPATIBLE_IOCTL(KDSETKEYCODE)
902 COMPATIBLE_IOCTL(KDGKBTYPE)
903 COMPATIBLE_IOCTL(KDGETMODE)
904 COMPATIBLE_IOCTL(KDGKBMODE)
905 COMPATIBLE_IOCTL(KDGKBMETA)
906 COMPATIBLE_IOCTL(KDGKBENT)
907 COMPATIBLE_IOCTL(KDSKBENT)
908 COMPATIBLE_IOCTL(KDGKBSENT)
909 COMPATIBLE_IOCTL(KDSKBSENT)
910 COMPATIBLE_IOCTL(KDGKBDIACR)
911 COMPATIBLE_IOCTL(KDSKBDIACR)
912 COMPATIBLE_IOCTL(KDGKBDIACRUC)
913 COMPATIBLE_IOCTL(KDSKBDIACRUC)
914 COMPATIBLE_IOCTL(KDKBDREP)
915 COMPATIBLE_IOCTL(KDGKBLED)
916 COMPATIBLE_IOCTL(KDGETLED)
917 #ifdef CONFIG_BLOCK
918 /* Big S */
919 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
920 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
921 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
922 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
923 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
924 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
925 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
926 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
927 #endif
928 /* Big V (don't complain on serial console) */
929 IGNORE_IOCTL(VT_OPENQRY)
930 IGNORE_IOCTL(VT_GETMODE)
931 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
932 COMPATIBLE_IOCTL(RTC_AIE_ON)
933 COMPATIBLE_IOCTL(RTC_AIE_OFF)
934 COMPATIBLE_IOCTL(RTC_UIE_ON)
935 COMPATIBLE_IOCTL(RTC_UIE_OFF)
936 COMPATIBLE_IOCTL(RTC_PIE_ON)
937 COMPATIBLE_IOCTL(RTC_PIE_OFF)
938 COMPATIBLE_IOCTL(RTC_WIE_ON)
939 COMPATIBLE_IOCTL(RTC_WIE_OFF)
940 COMPATIBLE_IOCTL(RTC_ALM_SET)
941 COMPATIBLE_IOCTL(RTC_ALM_READ)
942 COMPATIBLE_IOCTL(RTC_RD_TIME)
943 COMPATIBLE_IOCTL(RTC_SET_TIME)
944 COMPATIBLE_IOCTL(RTC_WKALM_SET)
945 COMPATIBLE_IOCTL(RTC_WKALM_RD)
946 /*
947 * These two are only for the sbus rtc driver, but
948 * hwclock tries them on every rtc device first when
949 * running on sparc. On other architectures the entries
950 * are useless but harmless.
951 */
952 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
953 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
954 /* Little m */
955 COMPATIBLE_IOCTL(MTIOCTOP)
956 /* Socket level stuff */
957 COMPATIBLE_IOCTL(FIOQSIZE)
958 #ifdef CONFIG_BLOCK
959 /* md calls this on random blockdevs */
960 IGNORE_IOCTL(RAID_VERSION)
961 /* qemu/qemu-img might call these two on plain files for probing */
962 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
963 IGNORE_IOCTL(FDGETPRM32)
964 /* SG stuff */
965 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
966 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
967 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
968 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
969 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
970 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
971 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
972 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
973 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
974 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
975 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
976 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
977 COMPATIBLE_IOCTL(SG_SET_DEBUG)
978 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
979 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
980 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
981 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
982 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
983 COMPATIBLE_IOCTL(SG_SCSI_RESET)
984 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
985 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
986 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
987 #endif
988 /* PPP stuff */
989 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
990 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
991 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
992 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
993 COMPATIBLE_IOCTL(PPPIOCGUNIT)
994 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
995 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
996 COMPATIBLE_IOCTL(PPPIOCGMRU)
997 COMPATIBLE_IOCTL(PPPIOCSMRU)
998 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
999 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1000 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1001 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1002 /* PPPIOCSCOMPRESS is translated */
1003 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1004 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1005 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1006 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1007 /* PPPIOCSPASS is translated */
1008 /* PPPIOCSACTIVE is translated */
1009 /* PPPIOCGIDLE is translated */
1010 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1011 COMPATIBLE_IOCTL(PPPIOCATTACH)
1012 COMPATIBLE_IOCTL(PPPIOCDETACH)
1013 COMPATIBLE_IOCTL(PPPIOCSMRRU)
1014 COMPATIBLE_IOCTL(PPPIOCCONNECT)
1015 COMPATIBLE_IOCTL(PPPIOCDISCONN)
1016 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1017 COMPATIBLE_IOCTL(PPPIOCGCHAN)
1018 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1019 /* ppdev */
1020 COMPATIBLE_IOCTL(PPSETMODE)
1021 COMPATIBLE_IOCTL(PPRSTATUS)
1022 COMPATIBLE_IOCTL(PPRCONTROL)
1023 COMPATIBLE_IOCTL(PPWCONTROL)
1024 COMPATIBLE_IOCTL(PPFCONTROL)
1025 COMPATIBLE_IOCTL(PPRDATA)
1026 COMPATIBLE_IOCTL(PPWDATA)
1027 COMPATIBLE_IOCTL(PPCLAIM)
1028 COMPATIBLE_IOCTL(PPRELEASE)
1029 COMPATIBLE_IOCTL(PPYIELD)
1030 COMPATIBLE_IOCTL(PPEXCL)
1031 COMPATIBLE_IOCTL(PPDATADIR)
1032 COMPATIBLE_IOCTL(PPNEGOT)
1033 COMPATIBLE_IOCTL(PPWCTLONIRQ)
1034 COMPATIBLE_IOCTL(PPCLRIRQ)
1035 COMPATIBLE_IOCTL(PPSETPHASE)
1036 COMPATIBLE_IOCTL(PPGETMODES)
1037 COMPATIBLE_IOCTL(PPGETMODE)
1038 COMPATIBLE_IOCTL(PPGETPHASE)
1039 COMPATIBLE_IOCTL(PPGETFLAGS)
1040 COMPATIBLE_IOCTL(PPSETFLAGS)
1041 /* Big A */
1042 /* sparc only */
1043 /* Big Q for sound/OSS */
1044 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1045 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1046 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1047 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1048 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1049 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1050 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1051 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1052 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1053 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1054 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1055 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1056 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1057 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1058 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1059 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1060 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1061 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1062 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1063 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1064 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1065 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1066 /* Big T for sound/OSS */
1067 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1068 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1069 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1070 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1071 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1072 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1073 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1074 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1075 /* Little m for sound/OSS */
1076 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1077 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1078 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1079 /* Big P for sound/OSS */
1080 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1081 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1082 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1083 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1084 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1085 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1086 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1087 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1088 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1089 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1090 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1091 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1092 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1093 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1094 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1095 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1096 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1097 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1098 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1099 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1100 /* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1101 /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1102 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1103 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1104 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1105 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1106 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1107 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1108 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1109 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1110 /* Big C for sound/OSS */
1111 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1112 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1113 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1114 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1115 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1116 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1117 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1118 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1119 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1120 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1121 /* Big M for sound/OSS */
1122 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1123 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1124 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1125 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1126 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1127 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1128 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1129 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1130 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1131 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1132 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1133 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1134 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1135 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1136 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1137 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1138 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1139 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1140 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1141 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1142 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1143 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1144 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1145 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1146 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1147 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1148 /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1149 /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1150 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1151 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1152 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1153 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1157 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1158 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1159 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1160 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1161 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1162 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1163 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1164 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1165 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1166 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1167 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1168 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1169 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1170 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1171 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1172 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1173 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1174 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1175 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1176 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1177 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1178 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1179 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1180 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1181 /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1182 /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1183 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1184 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1185 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1186 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1188 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1189 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1190 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1191 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1192 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1193 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1194 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1195 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1196 COMPATIBLE_IOCTL(OSS_GETVERSION)
1197 /* Raw devices */
1198 COMPATIBLE_IOCTL(RAW_SETBIND)
1199 COMPATIBLE_IOCTL(RAW_GETBIND)
1200 /* Watchdog */
1201 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1202 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1203 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1204 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1205 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1206 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1207 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1208 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1209 /* Big R */
1210 COMPATIBLE_IOCTL(RNDGETENTCNT)
1211 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1212 COMPATIBLE_IOCTL(RNDGETPOOL)
1213 COMPATIBLE_IOCTL(RNDADDENTROPY)
1214 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1215 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1216 /* Bluetooth */
1217 COMPATIBLE_IOCTL(HCIDEVUP)
1218 COMPATIBLE_IOCTL(HCIDEVDOWN)
1219 COMPATIBLE_IOCTL(HCIDEVRESET)
1220 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1221 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1222 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1223 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1224 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1225 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1226 COMPATIBLE_IOCTL(HCISETRAW)
1227 COMPATIBLE_IOCTL(HCISETSCAN)
1228 COMPATIBLE_IOCTL(HCISETAUTH)
1229 COMPATIBLE_IOCTL(HCISETENCRYPT)
1230 COMPATIBLE_IOCTL(HCISETPTYPE)
1231 COMPATIBLE_IOCTL(HCISETLINKPOL)
1232 COMPATIBLE_IOCTL(HCISETLINKMODE)
1233 COMPATIBLE_IOCTL(HCISETACLMTU)
1234 COMPATIBLE_IOCTL(HCISETSCOMTU)
1235 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1236 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1237 COMPATIBLE_IOCTL(HCIINQUIRY)
1238 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1239 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1240 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1241 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1242 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1243 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1244 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1245 COMPATIBLE_IOCTL(BNEPCONNADD)
1246 COMPATIBLE_IOCTL(BNEPCONNDEL)
1247 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1248 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1249 COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
1250 COMPATIBLE_IOCTL(CMTPCONNADD)
1251 COMPATIBLE_IOCTL(CMTPCONNDEL)
1252 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1253 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1254 COMPATIBLE_IOCTL(HIDPCONNADD)
1255 COMPATIBLE_IOCTL(HIDPCONNDEL)
1256 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1257 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1258 /* CAPI */
1259 COMPATIBLE_IOCTL(CAPI_REGISTER)
1260 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1261 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1262 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1263 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1264 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1265 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1266 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1267 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1268 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1269 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1270 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1271 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1272 /* Siemens Gigaset */
1273 COMPATIBLE_IOCTL(GIGASET_REDIR)
1274 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1275 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1276 COMPATIBLE_IOCTL(GIGASET_VERSION)
1277 /* Misc. */
1278 COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1279 COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1280 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1281 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1282 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1283 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1284 /* NBD */
1285 COMPATIBLE_IOCTL(NBD_DO_IT)
1286 COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1287 COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1288 COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
1289 COMPATIBLE_IOCTL(NBD_DISCONNECT)
1290 /* i2c */
1291 COMPATIBLE_IOCTL(I2C_SLAVE)
1292 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1293 COMPATIBLE_IOCTL(I2C_TENBIT)
1294 COMPATIBLE_IOCTL(I2C_PEC)
1295 COMPATIBLE_IOCTL(I2C_RETRIES)
1296 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1297 /* hiddev */
1298 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1299 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1300 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1301 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1302 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1303 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1304 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1305 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1306 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1307 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1308 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1309 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1310 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1311 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1312 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1313 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1314 /* dvb */
1315 COMPATIBLE_IOCTL(AUDIO_STOP)
1316 COMPATIBLE_IOCTL(AUDIO_PLAY)
1317 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1318 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1319 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1320 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1321 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1322 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1323 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1324 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1325 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1326 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1327 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1328 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1329 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1330 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1331 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1332 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1333 COMPATIBLE_IOCTL(DMX_START)
1334 COMPATIBLE_IOCTL(DMX_STOP)
1335 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1336 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1337 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1338 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1339 COMPATIBLE_IOCTL(DMX_GET_CAPS)
1340 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1341 COMPATIBLE_IOCTL(DMX_GET_STC)
1342 COMPATIBLE_IOCTL(FE_GET_INFO)
1343 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1344 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1345 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1346 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1347 COMPATIBLE_IOCTL(FE_SET_TONE)
1348 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1349 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1350 COMPATIBLE_IOCTL(FE_READ_STATUS)
1351 COMPATIBLE_IOCTL(FE_READ_BER)
1352 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1353 COMPATIBLE_IOCTL(FE_READ_SNR)
1354 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1355 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1356 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1357 COMPATIBLE_IOCTL(FE_GET_EVENT)
1358 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1359 COMPATIBLE_IOCTL(VIDEO_STOP)
1360 COMPATIBLE_IOCTL(VIDEO_PLAY)
1361 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1362 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1363 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1364 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1365 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1366 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1367 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1368 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1369 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1370 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1371 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1372 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1373 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1374 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1375 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1376 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1377 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1378 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1379 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1380 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1381
1382 /* joystick */
1383 COMPATIBLE_IOCTL(JSIOCGVERSION)
1384 COMPATIBLE_IOCTL(JSIOCGAXES)
1385 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1386 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1387
1388 #ifdef TIOCGLTC
1389 COMPATIBLE_IOCTL(TIOCGLTC)
1390 COMPATIBLE_IOCTL(TIOCSLTC)
1391 #endif
1392 #ifdef TIOCSTART
1393 /*
1394 * For these two we have definitions in ioctls.h and/or termios.h on
1395 * some architectures but no actual implemention. Some applications
1396 * like bash call them if they are defined in the headers, so we provide
1397 * entries here to avoid syslog message spew.
1398 */
1399 COMPATIBLE_IOCTL(TIOCSTART)
1400 COMPATIBLE_IOCTL(TIOCSTOP)
1401 #endif
1402
1403 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1404 but we don't want warnings on other file systems. So declare
1405 them as compatible here. */
1406 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1407 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1408
1409 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1410 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1411
1412 #ifdef CONFIG_SPARC
1413 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1414 IGNORE_IOCTL(FBIOGTYPE)
1415 IGNORE_IOCTL(FBIOSATTR)
1416 IGNORE_IOCTL(FBIOGATTR)
1417 IGNORE_IOCTL(FBIOSVIDEO)
1418 IGNORE_IOCTL(FBIOGVIDEO)
1419 IGNORE_IOCTL(FBIOSCURPOS)
1420 IGNORE_IOCTL(FBIOGCURPOS)
1421 IGNORE_IOCTL(FBIOGCURMAX)
1422 IGNORE_IOCTL(FBIOPUTCMAP32)
1423 IGNORE_IOCTL(FBIOGETCMAP32)
1424 IGNORE_IOCTL(FBIOSCURSOR32)
1425 IGNORE_IOCTL(FBIOGCURSOR32)
1426 #endif
1427 };
1428
1429 /*
1430 * Convert common ioctl arguments based on their command number
1431 *
1432 * Please do not add any code in here. Instead, implement
1433 * a compat_ioctl operation in the place that handleѕ the
1434 * ioctl for the native case.
1435 */
1436 static long do_ioctl_trans(int fd, unsigned int cmd,
1437 unsigned long arg, struct file *file)
1438 {
1439 void __user *argp = compat_ptr(arg);
1440
1441 switch (cmd) {
1442 case PPPIOCGIDLE32:
1443 return ppp_gidle(fd, cmd, argp);
1444 case PPPIOCSCOMPRESS32:
1445 return ppp_scompress(fd, cmd, argp);
1446 case PPPIOCSPASS32:
1447 case PPPIOCSACTIVE32:
1448 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
1449 #ifdef CONFIG_BLOCK
1450 case SG_IO:
1451 return sg_ioctl_trans(fd, cmd, argp);
1452 case SG_GET_REQUEST_TABLE:
1453 return sg_grt_trans(fd, cmd, argp);
1454 case MTIOCGET32:
1455 case MTIOCPOS32:
1456 return mt_ioctl_trans(fd, cmd, argp);
1457 #endif
1458 /* Serial */
1459 case TIOCGSERIAL:
1460 case TIOCSSERIAL:
1461 return serial_struct_ioctl(fd, cmd, argp);
1462 /* i2c */
1463 case I2C_FUNCS:
1464 return w_long(fd, cmd, argp);
1465 case I2C_RDWR:
1466 return do_i2c_rdwr_ioctl(fd, cmd, argp);
1467 case I2C_SMBUS:
1468 return do_i2c_smbus_ioctl(fd, cmd, argp);
1469 /* Not implemented in the native kernel */
1470 case RTC_IRQP_READ32:
1471 case RTC_IRQP_SET32:
1472 case RTC_EPOCH_READ32:
1473 case RTC_EPOCH_SET32:
1474 return rtc_ioctl(fd, cmd, argp);
1475
1476 /* dvb */
1477 case VIDEO_GET_EVENT:
1478 return do_video_get_event(fd, cmd, argp);
1479 case VIDEO_STILLPICTURE:
1480 return do_video_stillpicture(fd, cmd, argp);
1481 case VIDEO_SET_SPU_PALETTE:
1482 return do_video_set_spu_palette(fd, cmd, argp);
1483 }
1484
1485 /*
1486 * These take an integer instead of a pointer as 'arg',
1487 * so we must not do a compat_ptr() translation.
1488 */
1489 switch (cmd) {
1490 /* Big T */
1491 case TCSBRKP:
1492 case TIOCMIWAIT:
1493 case TIOCSCTTY:
1494 /* RAID */
1495 case HOT_REMOVE_DISK:
1496 case HOT_ADD_DISK:
1497 case SET_DISK_FAULTY:
1498 case SET_BITMAP_FILE:
1499 /* Big K */
1500 case KDSIGACCEPT:
1501 case KIOCSOUND:
1502 case KDMKTONE:
1503 case KDSETMODE:
1504 case KDSKBMODE:
1505 case KDSKBMETA:
1506 case KDSKBLED:
1507 case KDSETLED:
1508 /* NBD */
1509 case NBD_SET_SOCK:
1510 case NBD_SET_BLKSIZE:
1511 case NBD_SET_SIZE:
1512 case NBD_SET_SIZE_BLOCKS:
1513 return do_vfs_ioctl(file, fd, cmd, arg);
1514 }
1515
1516 return -ENOIOCTLCMD;
1517 }
1518
1519 static int compat_ioctl_check_table(unsigned int xcmd)
1520 {
1521 int i;
1522 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1523
1524 BUILD_BUG_ON(max >= (1 << 16));
1525
1526 /* guess initial offset into table, assuming a
1527 normalized distribution */
1528 i = ((xcmd >> 16) * max) >> 16;
1529
1530 /* do linear search up first, until greater or equal */
1531 while (ioctl_pointer[i] < xcmd && i < max)
1532 i++;
1533
1534 /* then do linear search down */
1535 while (ioctl_pointer[i] > xcmd && i > 0)
1536 i--;
1537
1538 return ioctl_pointer[i] == xcmd;
1539 }
1540
1541 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1542 compat_ulong_t, arg32)
1543 {
1544 unsigned long arg = arg32;
1545 struct fd f = fdget(fd);
1546 int error = -EBADF;
1547 if (!f.file)
1548 goto out;
1549
1550 /* RED-PEN how should LSM module know it's handling 32bit? */
1551 error = security_file_ioctl(f.file, cmd, arg);
1552 if (error)
1553 goto out_fput;
1554
1555 /*
1556 * To allow the compat_ioctl handlers to be self contained
1557 * we need to check the common ioctls here first.
1558 * Just handle them with the standard handlers below.
1559 */
1560 switch (cmd) {
1561 case FIOCLEX:
1562 case FIONCLEX:
1563 case FIONBIO:
1564 case FIOASYNC:
1565 case FIOQSIZE:
1566 break;
1567
1568 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1569 case FS_IOC_RESVSP_32:
1570 case FS_IOC_RESVSP64_32:
1571 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1572 goto out_fput;
1573 #else
1574 case FS_IOC_RESVSP:
1575 case FS_IOC_RESVSP64:
1576 error = ioctl_preallocate(f.file, compat_ptr(arg));
1577 goto out_fput;
1578 #endif
1579
1580 case FIBMAP:
1581 case FIGETBSZ:
1582 case FIONREAD:
1583 if (S_ISREG(file_inode(f.file)->i_mode))
1584 break;
1585 /*FALL THROUGH*/
1586
1587 default:
1588 if (f.file->f_op->compat_ioctl) {
1589 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1590 if (error != -ENOIOCTLCMD)
1591 goto out_fput;
1592 }
1593
1594 if (!f.file->f_op->unlocked_ioctl)
1595 goto do_ioctl;
1596 break;
1597 }
1598
1599 if (compat_ioctl_check_table(XFORM(cmd)))
1600 goto found_handler;
1601
1602 error = do_ioctl_trans(fd, cmd, arg, f.file);
1603 if (error == -ENOIOCTLCMD)
1604 error = -ENOTTY;
1605
1606 goto out_fput;
1607
1608 found_handler:
1609 arg = (unsigned long)compat_ptr(arg);
1610 do_ioctl:
1611 error = do_vfs_ioctl(f.file, fd, cmd, arg);
1612 out_fput:
1613 fdput(f);
1614 out:
1615 return error;
1616 }
1617
1618 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1619 {
1620 unsigned int a, b;
1621 a = *(unsigned int *)p;
1622 b = *(unsigned int *)q;
1623 if (a > b)
1624 return 1;
1625 if (a < b)
1626 return -1;
1627 return 0;
1628 }
1629
1630 static int __init init_sys32_ioctl(void)
1631 {
1632 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1633 init_sys32_ioctl_cmp, NULL);
1634 return 0;
1635 }
1636 __initcall(init_sys32_ioctl);
Linux with added FPC-III support