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memcg: fix mapcount check in move charge code for anonymous page
[linux-2.6.git] / fs / compat_ioctl.c
bloba26bea10e81bae5c9ee1890102ce86b7929bde28
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/if_ppp.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/module.h>
53 #include <linux/serial.h>
54 #include <linux/if_tun.h>
55 #include <linux/ctype.h>
56 #include <linux/syscalls.h>
57 #include <linux/i2c.h>
58 #include <linux/i2c-dev.h>
59 #include <linux/atalk.h>
60 #include <linux/gfp.h>
61
62 #include <net/bluetooth/bluetooth.h>
63 #include <net/bluetooth/hci.h>
64 #include <net/bluetooth/rfcomm.h>
65
66 #include <linux/capi.h>
67 #include <linux/gigaset_dev.h>
68
69 #ifdef CONFIG_BLOCK
70 #include <linux/loop.h>
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 w_long(unsigned int fd, unsigned int cmd,
121 compat_ulong_t __user *argp)
122 {
123 mm_segment_t old_fs = get_fs();
124 int err;
125 unsigned long val;
126
127 set_fs (KERNEL_DS);
128 err = sys_ioctl(fd, cmd, (unsigned long)&val);
129 set_fs (old_fs);
130 if (!err && put_user(val, argp))
131 return -EFAULT;
132 return err;
133 }
134
135 struct compat_video_event {
136 int32_t type;
137 compat_time_t timestamp;
138 union {
139 video_size_t size;
140 unsigned int frame_rate;
141 } u;
142 };
143
144 static int do_video_get_event(unsigned int fd, unsigned int cmd,
145 struct compat_video_event __user *up)
146 {
147 struct video_event kevent;
148 mm_segment_t old_fs = get_fs();
149 int err;
150
151 set_fs(KERNEL_DS);
152 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
153 set_fs(old_fs);
154
155 if (!err) {
156 err = put_user(kevent.type, &up->type);
157 err |= put_user(kevent.timestamp, &up->timestamp);
158 err |= put_user(kevent.u.size.w, &up->u.size.w);
159 err |= put_user(kevent.u.size.h, &up->u.size.h);
160 err |= put_user(kevent.u.size.aspect_ratio,
161 &up->u.size.aspect_ratio);
162 if (err)
163 err = -EFAULT;
164 }
165
166 return err;
167 }
168
169 struct compat_video_still_picture {
170 compat_uptr_t iFrame;
171 int32_t size;
172 };
173
174 static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
175 struct compat_video_still_picture __user *up)
176 {
177 struct video_still_picture __user *up_native;
178 compat_uptr_t fp;
179 int32_t size;
180 int err;
181
182 err = get_user(fp, &up->iFrame);
183 err |= get_user(size, &up->size);
184 if (err)
185 return -EFAULT;
186
187 up_native =
188 compat_alloc_user_space(sizeof(struct video_still_picture));
189
190 err = put_user(compat_ptr(fp), &up_native->iFrame);
191 err |= put_user(size, &up_native->size);
192 if (err)
193 return -EFAULT;
194
195 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
196
197 return err;
198 }
199
200 struct compat_video_spu_palette {
201 int length;
202 compat_uptr_t palette;
203 };
204
205 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
206 struct compat_video_spu_palette __user *up)
207 {
208 struct video_spu_palette __user *up_native;
209 compat_uptr_t palp;
210 int length, err;
211
212 err = get_user(palp, &up->palette);
213 err |= get_user(length, &up->length);
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
574 #define CMTPCONNADD _IOW('C', 200, int)
575 #define CMTPCONNDEL _IOW('C', 201, int)
576 #define CMTPGETCONNLIST _IOR('C', 210, int)
577 #define CMTPGETCONNINFO _IOR('C', 211, int)
578
579 #define HIDPCONNADD _IOW('H', 200, int)
580 #define HIDPCONNDEL _IOW('H', 201, int)
581 #define HIDPGETCONNLIST _IOR('H', 210, int)
582 #define HIDPGETCONNINFO _IOR('H', 211, int)
583
584
585 struct serial_struct32 {
586 compat_int_t type;
587 compat_int_t line;
588 compat_uint_t port;
589 compat_int_t irq;
590 compat_int_t flags;
591 compat_int_t xmit_fifo_size;
592 compat_int_t custom_divisor;
593 compat_int_t baud_base;
594 unsigned short close_delay;
595 char io_type;
596 char reserved_char[1];
597 compat_int_t hub6;
598 unsigned short closing_wait; /* time to wait before closing */
599 unsigned short closing_wait2; /* no longer used... */
600 compat_uint_t iomem_base;
601 unsigned short iomem_reg_shift;
602 unsigned int port_high;
603 /* compat_ulong_t iomap_base FIXME */
604 compat_int_t reserved[1];
605 };
606
607 static int serial_struct_ioctl(unsigned fd, unsigned cmd,
608 struct serial_struct32 __user *ss32)
609 {
610 typedef struct serial_struct SS;
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 int nmsgs, i;
685
686 if (get_user(nmsgs, &udata->nmsgs))
687 return -EFAULT;
688 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
689 return -EINVAL;
690
691 if (get_user(datap, &udata->msgs))
692 return -EFAULT;
693 umsgs = compat_ptr(datap);
694
695 tdata = compat_alloc_user_space(sizeof(*tdata) +
696 nmsgs * sizeof(struct i2c_msg));
697 tmsgs = &tdata->msgs[0];
698
699 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
700 put_user(tmsgs, &tdata->cmd.msgs))
701 return -EFAULT;
702
703 for (i = 0; i < nmsgs; i++) {
704 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
705 return -EFAULT;
706 if (get_user(datap, &umsgs[i].buf) ||
707 put_user(compat_ptr(datap), &tmsgs[i].buf))
708 return -EFAULT;
709 }
710 return sys_ioctl(fd, cmd, (unsigned long)tdata);
711 }
712
713 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
714 struct i2c_smbus_ioctl_data32 __user *udata)
715 {
716 struct i2c_smbus_ioctl_data __user *tdata;
717 compat_caddr_t datap;
718
719 tdata = compat_alloc_user_space(sizeof(*tdata));
720 if (tdata == NULL)
721 return -ENOMEM;
722 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
723 return -EFAULT;
724
725 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
726 return -EFAULT;
727
728 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
729 return -EFAULT;
730 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
731 return -EFAULT;
732 if (__get_user(datap, &udata->data) ||
733 __put_user(compat_ptr(datap), &tdata->data))
734 return -EFAULT;
735
736 return sys_ioctl(fd, cmd, (unsigned long)tdata);
737 }
738
739 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
740 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
741 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
742 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
743
744 static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
745 {
746 mm_segment_t oldfs = get_fs();
747 compat_ulong_t val32;
748 unsigned long kval;
749 int ret;
750
751 switch (cmd) {
752 case RTC_IRQP_READ32:
753 case RTC_EPOCH_READ32:
754 set_fs(KERNEL_DS);
755 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
756 RTC_IRQP_READ : RTC_EPOCH_READ,
757 (unsigned long)&kval);
758 set_fs(oldfs);
759 if (ret)
760 return ret;
761 val32 = kval;
762 return put_user(val32, (unsigned int __user *)argp);
763 case RTC_IRQP_SET32:
764 return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
765 case RTC_EPOCH_SET32:
766 return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
767 }
768
769 return -ENOIOCTLCMD;
770 }
771
772 /* on ia32 l_start is on a 32-bit boundary */
773 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
774 struct space_resv_32 {
775 __s16 l_type;
776 __s16 l_whence;
777 __s64 l_start __attribute__((packed));
778 /* len == 0 means until end of file */
779 __s64 l_len __attribute__((packed));
780 __s32 l_sysid;
781 __u32 l_pid;
782 __s32 l_pad[4]; /* reserve area */
783 };
784
785 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
786 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
787
788 /* just account for different alignment */
789 static int compat_ioctl_preallocate(struct file *file,
790 struct space_resv_32 __user *p32)
791 {
792 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
793
794 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
795 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
796 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
797 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
798 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
799 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
800 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
801 return -EFAULT;
802
803 return ioctl_preallocate(file, p);
804 }
805 #endif
806
807 /*
808 * simple reversible transform to make our table more evenly
809 * distributed after sorting.
810 */
811 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
812
813 #define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
814 /* ioctl should not be warned about even if it's not implemented.
815 Valid reasons to use this:
816 - It is implemented with ->compat_ioctl on some device, but programs
817 call it on others too.
818 - The ioctl is not implemented in the native kernel, but programs
819 call it commonly anyways.
820 Most other reasons are not valid. */
821 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
822
823 static unsigned int ioctl_pointer[] = {
824 /* compatible ioctls first */
825 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
826 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
827
828 /* Big T */
829 COMPATIBLE_IOCTL(TCGETA)
830 COMPATIBLE_IOCTL(TCSETA)
831 COMPATIBLE_IOCTL(TCSETAW)
832 COMPATIBLE_IOCTL(TCSETAF)
833 COMPATIBLE_IOCTL(TCSBRK)
834 COMPATIBLE_IOCTL(TCXONC)
835 COMPATIBLE_IOCTL(TCFLSH)
836 COMPATIBLE_IOCTL(TCGETS)
837 COMPATIBLE_IOCTL(TCSETS)
838 COMPATIBLE_IOCTL(TCSETSW)
839 COMPATIBLE_IOCTL(TCSETSF)
840 COMPATIBLE_IOCTL(TIOCLINUX)
841 COMPATIBLE_IOCTL(TIOCSBRK)
842 COMPATIBLE_IOCTL(TIOCGDEV)
843 COMPATIBLE_IOCTL(TIOCCBRK)
844 COMPATIBLE_IOCTL(TIOCGSID)
845 COMPATIBLE_IOCTL(TIOCGICOUNT)
846 /* Little t */
847 COMPATIBLE_IOCTL(TIOCGETD)
848 COMPATIBLE_IOCTL(TIOCSETD)
849 COMPATIBLE_IOCTL(TIOCEXCL)
850 COMPATIBLE_IOCTL(TIOCNXCL)
851 COMPATIBLE_IOCTL(TIOCCONS)
852 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
853 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
854 COMPATIBLE_IOCTL(TIOCSWINSZ)
855 COMPATIBLE_IOCTL(TIOCGWINSZ)
856 COMPATIBLE_IOCTL(TIOCMGET)
857 COMPATIBLE_IOCTL(TIOCMBIC)
858 COMPATIBLE_IOCTL(TIOCMBIS)
859 COMPATIBLE_IOCTL(TIOCMSET)
860 COMPATIBLE_IOCTL(TIOCPKT)
861 COMPATIBLE_IOCTL(TIOCNOTTY)
862 COMPATIBLE_IOCTL(TIOCSTI)
863 COMPATIBLE_IOCTL(TIOCOUTQ)
864 COMPATIBLE_IOCTL(TIOCSPGRP)
865 COMPATIBLE_IOCTL(TIOCGPGRP)
866 COMPATIBLE_IOCTL(TIOCGPTN)
867 COMPATIBLE_IOCTL(TIOCSPTLCK)
868 COMPATIBLE_IOCTL(TIOCSERGETLSR)
869 COMPATIBLE_IOCTL(TIOCSIG)
870 #ifdef TCGETS2
871 COMPATIBLE_IOCTL(TCGETS2)
872 COMPATIBLE_IOCTL(TCSETS2)
873 COMPATIBLE_IOCTL(TCSETSW2)
874 COMPATIBLE_IOCTL(TCSETSF2)
875 #endif
876 /* Little f */
877 COMPATIBLE_IOCTL(FIOCLEX)
878 COMPATIBLE_IOCTL(FIONCLEX)
879 COMPATIBLE_IOCTL(FIOASYNC)
880 COMPATIBLE_IOCTL(FIONBIO)
881 COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
882 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
883 /* 0x00 */
884 COMPATIBLE_IOCTL(FIBMAP)
885 COMPATIBLE_IOCTL(FIGETBSZ)
886 /* 'X' - originally XFS but some now in the VFS */
887 COMPATIBLE_IOCTL(FIFREEZE)
888 COMPATIBLE_IOCTL(FITHAW)
889 COMPATIBLE_IOCTL(KDGETKEYCODE)
890 COMPATIBLE_IOCTL(KDSETKEYCODE)
891 COMPATIBLE_IOCTL(KDGKBTYPE)
892 COMPATIBLE_IOCTL(KDGETMODE)
893 COMPATIBLE_IOCTL(KDGKBMODE)
894 COMPATIBLE_IOCTL(KDGKBMETA)
895 COMPATIBLE_IOCTL(KDGKBENT)
896 COMPATIBLE_IOCTL(KDSKBENT)
897 COMPATIBLE_IOCTL(KDGKBSENT)
898 COMPATIBLE_IOCTL(KDSKBSENT)
899 COMPATIBLE_IOCTL(KDGKBDIACR)
900 COMPATIBLE_IOCTL(KDSKBDIACR)
901 COMPATIBLE_IOCTL(KDKBDREP)
902 COMPATIBLE_IOCTL(KDGKBLED)
903 COMPATIBLE_IOCTL(KDGETLED)
904 #ifdef CONFIG_BLOCK
905 /* Big S */
906 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
907 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
908 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
909 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
910 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
911 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
912 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
913 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
914 #endif
915 /* Big V (don't complain on serial console) */
916 IGNORE_IOCTL(VT_OPENQRY)
917 IGNORE_IOCTL(VT_GETMODE)
918 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
919 COMPATIBLE_IOCTL(RTC_AIE_ON)
920 COMPATIBLE_IOCTL(RTC_AIE_OFF)
921 COMPATIBLE_IOCTL(RTC_UIE_ON)
922 COMPATIBLE_IOCTL(RTC_UIE_OFF)
923 COMPATIBLE_IOCTL(RTC_PIE_ON)
924 COMPATIBLE_IOCTL(RTC_PIE_OFF)
925 COMPATIBLE_IOCTL(RTC_WIE_ON)
926 COMPATIBLE_IOCTL(RTC_WIE_OFF)
927 COMPATIBLE_IOCTL(RTC_ALM_SET)
928 COMPATIBLE_IOCTL(RTC_ALM_READ)
929 COMPATIBLE_IOCTL(RTC_RD_TIME)
930 COMPATIBLE_IOCTL(RTC_SET_TIME)
931 COMPATIBLE_IOCTL(RTC_WKALM_SET)
932 COMPATIBLE_IOCTL(RTC_WKALM_RD)
933 /*
934 * These two are only for the sbus rtc driver, but
935 * hwclock tries them on every rtc device first when
936 * running on sparc. On other architectures the entries
937 * are useless but harmless.
938 */
939 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
940 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
941 /* Little m */
942 COMPATIBLE_IOCTL(MTIOCTOP)
943 /* Socket level stuff */
944 COMPATIBLE_IOCTL(FIOQSIZE)
945 #ifdef CONFIG_BLOCK
946 /* loop */
947 IGNORE_IOCTL(LOOP_CLR_FD)
948 /* md calls this on random blockdevs */
949 IGNORE_IOCTL(RAID_VERSION)
950 /* qemu/qemu-img might call these two on plain files for probing */
951 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
952 IGNORE_IOCTL(FDGETPRM32)
953 /* SG stuff */
954 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
955 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
956 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
957 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
958 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
959 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
960 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
961 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
962 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
963 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
964 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
965 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
966 COMPATIBLE_IOCTL(SG_SET_DEBUG)
967 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
968 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
969 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
970 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
971 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
972 COMPATIBLE_IOCTL(SG_SCSI_RESET)
973 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
974 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
975 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
976 #endif
977 /* PPP stuff */
978 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
979 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
980 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
981 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
982 COMPATIBLE_IOCTL(PPPIOCGUNIT)
983 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
984 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
985 COMPATIBLE_IOCTL(PPPIOCGMRU)
986 COMPATIBLE_IOCTL(PPPIOCSMRU)
987 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
988 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
989 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
990 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
991 /* PPPIOCSCOMPRESS is translated */
992 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
993 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
994 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
995 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
996 /* PPPIOCSPASS is translated */
997 /* PPPIOCSACTIVE is translated */
998 /* PPPIOCGIDLE is translated */
999 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1000 COMPATIBLE_IOCTL(PPPIOCATTACH)
1001 COMPATIBLE_IOCTL(PPPIOCDETACH)
1002 COMPATIBLE_IOCTL(PPPIOCSMRRU)
1003 COMPATIBLE_IOCTL(PPPIOCCONNECT)
1004 COMPATIBLE_IOCTL(PPPIOCDISCONN)
1005 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1006 COMPATIBLE_IOCTL(PPPIOCGCHAN)
1007 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1008 /* PPPOX */
1009 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1010 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
1011 /* ppdev */
1012 COMPATIBLE_IOCTL(PPSETMODE)
1013 COMPATIBLE_IOCTL(PPRSTATUS)
1014 COMPATIBLE_IOCTL(PPRCONTROL)
1015 COMPATIBLE_IOCTL(PPWCONTROL)
1016 COMPATIBLE_IOCTL(PPFCONTROL)
1017 COMPATIBLE_IOCTL(PPRDATA)
1018 COMPATIBLE_IOCTL(PPWDATA)
1019 COMPATIBLE_IOCTL(PPCLAIM)
1020 COMPATIBLE_IOCTL(PPRELEASE)
1021 COMPATIBLE_IOCTL(PPYIELD)
1022 COMPATIBLE_IOCTL(PPEXCL)
1023 COMPATIBLE_IOCTL(PPDATADIR)
1024 COMPATIBLE_IOCTL(PPNEGOT)
1025 COMPATIBLE_IOCTL(PPWCTLONIRQ)
1026 COMPATIBLE_IOCTL(PPCLRIRQ)
1027 COMPATIBLE_IOCTL(PPSETPHASE)
1028 COMPATIBLE_IOCTL(PPGETMODES)
1029 COMPATIBLE_IOCTL(PPGETMODE)
1030 COMPATIBLE_IOCTL(PPGETPHASE)
1031 COMPATIBLE_IOCTL(PPGETFLAGS)
1032 COMPATIBLE_IOCTL(PPSETFLAGS)
1033 /* Big A */
1034 /* sparc only */
1035 /* Big Q for sound/OSS */
1036 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1037 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1038 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1039 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1040 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1041 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1042 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1043 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1044 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1045 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1046 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1047 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1048 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1049 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1050 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1051 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1052 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1053 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1054 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1055 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1056 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1057 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1058 /* Big T for sound/OSS */
1059 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1060 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1061 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1062 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1063 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1064 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1065 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1066 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1067 /* Little m for sound/OSS */
1068 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1069 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1070 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1071 /* Big P for sound/OSS */
1072 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1073 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1074 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1075 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1076 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1077 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1078 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1079 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1080 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1081 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1082 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1083 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1084 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1085 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1086 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1087 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1088 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1089 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1090 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1091 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1092 /* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1093 /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1094 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1095 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1096 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1097 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1098 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1099 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1100 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1101 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1102 /* Big C for sound/OSS */
1103 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1104 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1105 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1106 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1107 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1108 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1109 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1110 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1111 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1112 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1113 /* Big M for sound/OSS */
1114 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1115 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1116 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1117 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1118 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1119 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1120 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1121 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1122 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1123 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1124 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1125 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1126 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1127 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1128 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1129 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1130 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1131 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1132 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1133 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1134 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1135 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1136 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1137 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1138 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1139 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1140 /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1141 /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1142 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1143 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1144 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1145 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1146 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1147 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1148 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1149 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1150 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1151 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1152 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1153 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1157 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1158 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1159 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1160 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1161 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1162 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1163 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1164 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1165 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1166 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1167 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1168 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1169 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1170 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1171 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1172 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1173 /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1174 /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1175 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1176 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1177 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1178 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1179 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1180 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1181 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1182 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1183 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1184 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1185 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1186 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1188 COMPATIBLE_IOCTL(OSS_GETVERSION)
1189 /* Raw devices */
1190 COMPATIBLE_IOCTL(RAW_SETBIND)
1191 COMPATIBLE_IOCTL(RAW_GETBIND)
1192 /* Watchdog */
1193 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1194 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1195 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1196 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1197 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1198 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1199 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1200 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1201 /* Big R */
1202 COMPATIBLE_IOCTL(RNDGETENTCNT)
1203 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1204 COMPATIBLE_IOCTL(RNDGETPOOL)
1205 COMPATIBLE_IOCTL(RNDADDENTROPY)
1206 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1207 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1208 /* Bluetooth */
1209 COMPATIBLE_IOCTL(HCIDEVUP)
1210 COMPATIBLE_IOCTL(HCIDEVDOWN)
1211 COMPATIBLE_IOCTL(HCIDEVRESET)
1212 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1213 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1214 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1215 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1216 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1217 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1218 COMPATIBLE_IOCTL(HCISETRAW)
1219 COMPATIBLE_IOCTL(HCISETSCAN)
1220 COMPATIBLE_IOCTL(HCISETAUTH)
1221 COMPATIBLE_IOCTL(HCISETENCRYPT)
1222 COMPATIBLE_IOCTL(HCISETPTYPE)
1223 COMPATIBLE_IOCTL(HCISETLINKPOL)
1224 COMPATIBLE_IOCTL(HCISETLINKMODE)
1225 COMPATIBLE_IOCTL(HCISETACLMTU)
1226 COMPATIBLE_IOCTL(HCISETSCOMTU)
1227 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1228 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1229 COMPATIBLE_IOCTL(HCIINQUIRY)
1230 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1231 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1232 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1233 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1234 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1235 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1236 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1237 COMPATIBLE_IOCTL(BNEPCONNADD)
1238 COMPATIBLE_IOCTL(BNEPCONNDEL)
1239 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1240 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1241 COMPATIBLE_IOCTL(CMTPCONNADD)
1242 COMPATIBLE_IOCTL(CMTPCONNDEL)
1243 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1244 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1245 COMPATIBLE_IOCTL(HIDPCONNADD)
1246 COMPATIBLE_IOCTL(HIDPCONNDEL)
1247 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1248 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1249 /* CAPI */
1250 COMPATIBLE_IOCTL(CAPI_REGISTER)
1251 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1252 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1253 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1254 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1255 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1256 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1257 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1258 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1259 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1260 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1261 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1262 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1263 /* Siemens Gigaset */
1264 COMPATIBLE_IOCTL(GIGASET_REDIR)
1265 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1266 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1267 COMPATIBLE_IOCTL(GIGASET_VERSION)
1268 /* Misc. */
1269 COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1270 COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1271 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1272 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1273 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1274 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1275 /* NBD */
1276 COMPATIBLE_IOCTL(NBD_DO_IT)
1277 COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1278 COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1279 COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
1280 COMPATIBLE_IOCTL(NBD_DISCONNECT)
1281 /* i2c */
1282 COMPATIBLE_IOCTL(I2C_SLAVE)
1283 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1284 COMPATIBLE_IOCTL(I2C_TENBIT)
1285 COMPATIBLE_IOCTL(I2C_PEC)
1286 COMPATIBLE_IOCTL(I2C_RETRIES)
1287 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1288 /* hiddev */
1289 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1290 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1291 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1292 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1293 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1294 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1295 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1296 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1297 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1298 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1299 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1300 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1301 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1302 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1303 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1304 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1305 /* dvb */
1306 COMPATIBLE_IOCTL(AUDIO_STOP)
1307 COMPATIBLE_IOCTL(AUDIO_PLAY)
1308 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1309 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1310 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1311 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1312 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1313 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1314 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1315 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1316 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1317 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1318 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1319 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1320 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1321 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1322 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1323 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1324 COMPATIBLE_IOCTL(DMX_START)
1325 COMPATIBLE_IOCTL(DMX_STOP)
1326 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1327 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1328 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1329 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1330 COMPATIBLE_IOCTL(DMX_GET_CAPS)
1331 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1332 COMPATIBLE_IOCTL(DMX_GET_STC)
1333 COMPATIBLE_IOCTL(FE_GET_INFO)
1334 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1335 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1336 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1337 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1338 COMPATIBLE_IOCTL(FE_SET_TONE)
1339 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1340 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1341 COMPATIBLE_IOCTL(FE_READ_STATUS)
1342 COMPATIBLE_IOCTL(FE_READ_BER)
1343 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1344 COMPATIBLE_IOCTL(FE_READ_SNR)
1345 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1346 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1347 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1348 COMPATIBLE_IOCTL(FE_GET_EVENT)
1349 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1350 COMPATIBLE_IOCTL(VIDEO_STOP)
1351 COMPATIBLE_IOCTL(VIDEO_PLAY)
1352 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1353 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1354 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1355 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1356 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1357 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1358 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1359 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1360 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1361 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1362 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1363 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1364 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1365 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1366 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1367 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1368 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1369 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1370 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1371 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1372
1373 /* joystick */
1374 COMPATIBLE_IOCTL(JSIOCGVERSION)
1375 COMPATIBLE_IOCTL(JSIOCGAXES)
1376 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1377 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1378
1379 #ifdef TIOCGLTC
1380 COMPATIBLE_IOCTL(TIOCGLTC)
1381 COMPATIBLE_IOCTL(TIOCSLTC)
1382 #endif
1383 #ifdef TIOCSTART
1384 /*
1385 * For these two we have definitions in ioctls.h and/or termios.h on
1386 * some architectures but no actual implemention. Some applications
1387 * like bash call them if they are defined in the headers, so we provide
1388 * entries here to avoid syslog message spew.
1389 */
1390 COMPATIBLE_IOCTL(TIOCSTART)
1391 COMPATIBLE_IOCTL(TIOCSTOP)
1392 #endif
1393
1394 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1395 but we don't want warnings on other file systems. So declare
1396 them as compatible here. */
1397 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1398 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1399
1400 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1401 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1402
1403 #ifdef CONFIG_SPARC
1404 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1405 IGNORE_IOCTL(FBIOGTYPE)
1406 IGNORE_IOCTL(FBIOSATTR)
1407 IGNORE_IOCTL(FBIOGATTR)
1408 IGNORE_IOCTL(FBIOSVIDEO)
1409 IGNORE_IOCTL(FBIOGVIDEO)
1410 IGNORE_IOCTL(FBIOSCURPOS)
1411 IGNORE_IOCTL(FBIOGCURPOS)
1412 IGNORE_IOCTL(FBIOGCURMAX)
1413 IGNORE_IOCTL(FBIOPUTCMAP32)
1414 IGNORE_IOCTL(FBIOGETCMAP32)
1415 IGNORE_IOCTL(FBIOSCURSOR32)
1416 IGNORE_IOCTL(FBIOGCURSOR32)
1417 #endif
1418 };
1419
1420 /*
1421 * Convert common ioctl arguments based on their command number
1422 *
1423 * Please do not add any code in here. Instead, implement
1424 * a compat_ioctl operation in the place that handleѕ the
1425 * ioctl for the native case.
1426 */
1427 static long do_ioctl_trans(int fd, unsigned int cmd,
1428 unsigned long arg, struct file *file)
1429 {
1430 void __user *argp = compat_ptr(arg);
1431
1432 switch (cmd) {
1433 case PPPIOCGIDLE32:
1434 return ppp_gidle(fd, cmd, argp);
1435 case PPPIOCSCOMPRESS32:
1436 return ppp_scompress(fd, cmd, argp);
1437 case PPPIOCSPASS32:
1438 case PPPIOCSACTIVE32:
1439 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
1440 #ifdef CONFIG_BLOCK
1441 case SG_IO:
1442 return sg_ioctl_trans(fd, cmd, argp);
1443 case SG_GET_REQUEST_TABLE:
1444 return sg_grt_trans(fd, cmd, argp);
1445 case MTIOCGET32:
1446 case MTIOCPOS32:
1447 return mt_ioctl_trans(fd, cmd, argp);
1448 #endif
1449 /* Serial */
1450 case TIOCGSERIAL:
1451 case TIOCSSERIAL:
1452 return serial_struct_ioctl(fd, cmd, argp);
1453 /* i2c */
1454 case I2C_FUNCS:
1455 return w_long(fd, cmd, argp);
1456 case I2C_RDWR:
1457 return do_i2c_rdwr_ioctl(fd, cmd, argp);
1458 case I2C_SMBUS:
1459 return do_i2c_smbus_ioctl(fd, cmd, argp);
1460 /* Not implemented in the native kernel */
1461 case RTC_IRQP_READ32:
1462 case RTC_IRQP_SET32:
1463 case RTC_EPOCH_READ32:
1464 case RTC_EPOCH_SET32:
1465 return rtc_ioctl(fd, cmd, argp);
1466
1467 /* dvb */
1468 case VIDEO_GET_EVENT:
1469 return do_video_get_event(fd, cmd, argp);
1470 case VIDEO_STILLPICTURE:
1471 return do_video_stillpicture(fd, cmd, argp);
1472 case VIDEO_SET_SPU_PALETTE:
1473 return do_video_set_spu_palette(fd, cmd, argp);
1474 }
1475
1476 /*
1477 * These take an integer instead of a pointer as 'arg',
1478 * so we must not do a compat_ptr() translation.
1479 */
1480 switch (cmd) {
1481 /* Big T */
1482 case TCSBRKP:
1483 case TIOCMIWAIT:
1484 case TIOCSCTTY:
1485 /* RAID */
1486 case HOT_REMOVE_DISK:
1487 case HOT_ADD_DISK:
1488 case SET_DISK_FAULTY:
1489 case SET_BITMAP_FILE:
1490 /* Big K */
1491 case KDSIGACCEPT:
1492 case KIOCSOUND:
1493 case KDMKTONE:
1494 case KDSETMODE:
1495 case KDSKBMODE:
1496 case KDSKBMETA:
1497 case KDSKBLED:
1498 case KDSETLED:
1499 /* NBD */
1500 case NBD_SET_SOCK:
1501 case NBD_SET_BLKSIZE:
1502 case NBD_SET_SIZE:
1503 case NBD_SET_SIZE_BLOCKS:
1504 return do_vfs_ioctl(file, fd, cmd, arg);
1505 }
1506
1507 return -ENOIOCTLCMD;
1508 }
1509
1510 static int compat_ioctl_check_table(unsigned int xcmd)
1511 {
1512 int i;
1513 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1514
1515 BUILD_BUG_ON(max >= (1 << 16));
1516
1517 /* guess initial offset into table, assuming a
1518 normalized distribution */
1519 i = ((xcmd >> 16) * max) >> 16;
1520
1521 /* do linear search up first, until greater or equal */
1522 while (ioctl_pointer[i] < xcmd && i < max)
1523 i++;
1524
1525 /* then do linear search down */
1526 while (ioctl_pointer[i] > xcmd && i > 0)
1527 i--;
1528
1529 return ioctl_pointer[i] == xcmd;
1530 }
1531
1532 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1533 unsigned long arg)
1534 {
1535 struct file *filp;
1536 int error = -EBADF;
1537 int fput_needed;
1538
1539 filp = fget_light(fd, &fput_needed);
1540 if (!filp)
1541 goto out;
1542
1543 /* RED-PEN how should LSM module know it's handling 32bit? */
1544 error = security_file_ioctl(filp, cmd, arg);
1545 if (error)
1546 goto out_fput;
1547
1548 /*
1549 * To allow the compat_ioctl handlers to be self contained
1550 * we need to check the common ioctls here first.
1551 * Just handle them with the standard handlers below.
1552 */
1553 switch (cmd) {
1554 case FIOCLEX:
1555 case FIONCLEX:
1556 case FIONBIO:
1557 case FIOASYNC:
1558 case FIOQSIZE:
1559 break;
1560
1561 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1562 case FS_IOC_RESVSP_32:
1563 case FS_IOC_RESVSP64_32:
1564 error = compat_ioctl_preallocate(filp, compat_ptr(arg));
1565 goto out_fput;
1566 #else
1567 case FS_IOC_RESVSP:
1568 case FS_IOC_RESVSP64:
1569 error = ioctl_preallocate(filp, compat_ptr(arg));
1570 goto out_fput;
1571 #endif
1572
1573 case FIBMAP:
1574 case FIGETBSZ:
1575 case FIONREAD:
1576 if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
1577 break;
1578 /*FALL THROUGH*/
1579
1580 default:
1581 if (filp->f_op && filp->f_op->compat_ioctl) {
1582 error = filp->f_op->compat_ioctl(filp, cmd, arg);
1583 if (error != -ENOIOCTLCMD)
1584 goto out_fput;
1585 }
1586
1587 if (!filp->f_op || !filp->f_op->unlocked_ioctl)
1588 goto do_ioctl;
1589 break;
1590 }
1591
1592 if (compat_ioctl_check_table(XFORM(cmd)))
1593 goto found_handler;
1594
1595 error = do_ioctl_trans(fd, cmd, arg, filp);
1596 if (error == -ENOIOCTLCMD)
1597 error = -ENOTTY;
1598
1599 goto out_fput;
1600
1601 found_handler:
1602 arg = (unsigned long)compat_ptr(arg);
1603 do_ioctl:
1604 error = do_vfs_ioctl(filp, fd, cmd, arg);
1605 out_fput:
1606 fput_light(filp, fput_needed);
1607 out:
1608 return error;
1609 }
1610
1611 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1612 {
1613 unsigned int a, b;
1614 a = *(unsigned int *)p;
1615 b = *(unsigned int *)q;
1616 if (a > b)
1617 return 1;
1618 if (a < b)
1619 return -1;
1620 return 0;
1621 }
1622
1623 static int __init init_sys32_ioctl(void)
1624 {
1625 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1626 init_sys32_ioctl_cmp, NULL);
1627 return 0;
1628 }
1629 __initcall(init_sys32_ioctl);
Linus' kernel tree