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ipv6: add support of equal cost multipath (ECMP)
[linux-2.6.git] / fs / compat_ioctl.c
blobf5054025f9da7c154b067db092cc44f8b953f835
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.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/loop.h>
70 #include <linux/cdrom.h>
71 #include <linux/fd.h>
72 #include <scsi/scsi.h>
73 #include <scsi/scsi_ioctl.h>
74 #include <scsi/sg.h>
75 #endif
76
77 #include <asm/uaccess.h>
78 #include <linux/ethtool.h>
79 #include <linux/mii.h>
80 #include <linux/if_bonding.h>
81 #include <linux/watchdog.h>
82
83 #include <linux/soundcard.h>
84 #include <linux/lp.h>
85 #include <linux/ppdev.h>
86
87 #include <linux/atm.h>
88 #include <linux/atmarp.h>
89 #include <linux/atmclip.h>
90 #include <linux/atmdev.h>
91 #include <linux/atmioc.h>
92 #include <linux/atmlec.h>
93 #include <linux/atmmpc.h>
94 #include <linux/atmsvc.h>
95 #include <linux/atm_tcp.h>
96 #include <linux/sonet.h>
97 #include <linux/atm_suni.h>
98
99 #include <linux/usb.h>
100 #include <linux/usbdevice_fs.h>
101 #include <linux/nbd.h>
102 #include <linux/random.h>
103 #include <linux/filter.h>
104
105 #include <linux/hiddev.h>
106
107 #define __DVB_CORE__
108 #include <linux/dvb/audio.h>
109 #include <linux/dvb/dmx.h>
110 #include <linux/dvb/frontend.h>
111 #include <linux/dvb/video.h>
112
113 #include <linux/sort.h>
114
115 #ifdef CONFIG_SPARC
116 #include <asm/fbio.h>
117 #endif
118
119 static int w_long(unsigned int fd, unsigned int cmd,
120 compat_ulong_t __user *argp)
121 {
122 mm_segment_t old_fs = get_fs();
123 int err;
124 unsigned long val;
125
126 set_fs (KERNEL_DS);
127 err = sys_ioctl(fd, cmd, (unsigned long)&val);
128 set_fs (old_fs);
129 if (!err && put_user(val, argp))
130 return -EFAULT;
131 return err;
132 }
133
134 struct compat_video_event {
135 int32_t type;
136 compat_time_t timestamp;
137 union {
138 video_size_t size;
139 unsigned int frame_rate;
140 } u;
141 };
142
143 static int do_video_get_event(unsigned int fd, unsigned int cmd,
144 struct compat_video_event __user *up)
145 {
146 struct video_event kevent;
147 mm_segment_t old_fs = get_fs();
148 int err;
149
150 set_fs(KERNEL_DS);
151 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
152 set_fs(old_fs);
153
154 if (!err) {
155 err = put_user(kevent.type, &up->type);
156 err |= put_user(kevent.timestamp, &up->timestamp);
157 err |= put_user(kevent.u.size.w, &up->u.size.w);
158 err |= put_user(kevent.u.size.h, &up->u.size.h);
159 err |= put_user(kevent.u.size.aspect_ratio,
160 &up->u.size.aspect_ratio);
161 if (err)
162 err = -EFAULT;
163 }
164
165 return err;
166 }
167
168 struct compat_video_still_picture {
169 compat_uptr_t iFrame;
170 int32_t size;
171 };
172
173 static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
174 struct compat_video_still_picture __user *up)
175 {
176 struct video_still_picture __user *up_native;
177 compat_uptr_t fp;
178 int32_t size;
179 int err;
180
181 err = get_user(fp, &up->iFrame);
182 err |= get_user(size, &up->size);
183 if (err)
184 return -EFAULT;
185
186 up_native =
187 compat_alloc_user_space(sizeof(struct video_still_picture));
188
189 err = put_user(compat_ptr(fp), &up_native->iFrame);
190 err |= put_user(size, &up_native->size);
191 if (err)
192 return -EFAULT;
193
194 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
195
196 return err;
197 }
198
199 struct compat_video_spu_palette {
200 int length;
201 compat_uptr_t palette;
202 };
203
204 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
205 struct compat_video_spu_palette __user *up)
206 {
207 struct video_spu_palette __user *up_native;
208 compat_uptr_t palp;
209 int length, err;
210
211 err = get_user(palp, &up->palette);
212 err |= get_user(length, &up->length);
213
214 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
215 err = put_user(compat_ptr(palp), &up_native->palette);
216 err |= put_user(length, &up_native->length);
217 if (err)
218 return -EFAULT;
219
220 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
221
222 return err;
223 }
224
225 #ifdef CONFIG_BLOCK
226 typedef struct sg_io_hdr32 {
227 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
228 compat_int_t dxfer_direction; /* [i] data transfer direction */
229 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
230 unsigned char mx_sb_len; /* [i] max length to write to sbp */
231 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
232 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
233 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
234 or scatter gather list */
235 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
236 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
237 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
238 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
239 compat_int_t pack_id; /* [i->o] unused internally (normally) */
240 compat_uptr_t usr_ptr; /* [i->o] unused internally */
241 unsigned char status; /* [o] scsi status */
242 unsigned char masked_status; /* [o] shifted, masked scsi status */
243 unsigned char msg_status; /* [o] messaging level data (optional) */
244 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
245 unsigned short host_status; /* [o] errors from host adapter */
246 unsigned short driver_status; /* [o] errors from software driver */
247 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
248 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
249 compat_uint_t info; /* [o] auxiliary information */
250 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
251
252 typedef struct sg_iovec32 {
253 compat_uint_t iov_base;
254 compat_uint_t iov_len;
255 } sg_iovec32_t;
256
257 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
258 {
259 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
260 sg_iovec32_t __user *iov32 = dxferp;
261 int i;
262
263 for (i = 0; i < iovec_count; i++) {
264 u32 base, len;
265
266 if (get_user(base, &iov32[i].iov_base) ||
267 get_user(len, &iov32[i].iov_len) ||
268 put_user(compat_ptr(base), &iov[i].iov_base) ||
269 put_user(len, &iov[i].iov_len))
270 return -EFAULT;
271 }
272
273 if (put_user(iov, &sgio->dxferp))
274 return -EFAULT;
275 return 0;
276 }
277
278 static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
279 sg_io_hdr32_t __user *sgio32)
280 {
281 sg_io_hdr_t __user *sgio;
282 u16 iovec_count;
283 u32 data;
284 void __user *dxferp;
285 int err;
286 int interface_id;
287
288 if (get_user(interface_id, &sgio32->interface_id))
289 return -EFAULT;
290 if (interface_id != 'S')
291 return sys_ioctl(fd, cmd, (unsigned long)sgio32);
292
293 if (get_user(iovec_count, &sgio32->iovec_count))
294 return -EFAULT;
295
296 {
297 void __user *top = compat_alloc_user_space(0);
298 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
299 (iovec_count * sizeof(sg_iovec_t)));
300 if (new > top)
301 return -EINVAL;
302
303 sgio = new;
304 }
305
306 /* Ok, now construct. */
307 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
308 (2 * sizeof(int)) +
309 (2 * sizeof(unsigned char)) +
310 (1 * sizeof(unsigned short)) +
311 (1 * sizeof(unsigned int))))
312 return -EFAULT;
313
314 if (get_user(data, &sgio32->dxferp))
315 return -EFAULT;
316 dxferp = compat_ptr(data);
317 if (iovec_count) {
318 if (sg_build_iovec(sgio, dxferp, iovec_count))
319 return -EFAULT;
320 } else {
321 if (put_user(dxferp, &sgio->dxferp))
322 return -EFAULT;
323 }
324
325 {
326 unsigned char __user *cmdp;
327 unsigned char __user *sbp;
328
329 if (get_user(data, &sgio32->cmdp))
330 return -EFAULT;
331 cmdp = compat_ptr(data);
332
333 if (get_user(data, &sgio32->sbp))
334 return -EFAULT;
335 sbp = compat_ptr(data);
336
337 if (put_user(cmdp, &sgio->cmdp) ||
338 put_user(sbp, &sgio->sbp))
339 return -EFAULT;
340 }
341
342 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
343 3 * sizeof(int)))
344 return -EFAULT;
345
346 if (get_user(data, &sgio32->usr_ptr))
347 return -EFAULT;
348 if (put_user(compat_ptr(data), &sgio->usr_ptr))
349 return -EFAULT;
350
351 err = sys_ioctl(fd, cmd, (unsigned long) sgio);
352
353 if (err >= 0) {
354 void __user *datap;
355
356 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
357 sizeof(int)) ||
358 get_user(datap, &sgio->usr_ptr) ||
359 put_user((u32)(unsigned long)datap,
360 &sgio32->usr_ptr) ||
361 copy_in_user(&sgio32->status, &sgio->status,
362 (4 * sizeof(unsigned char)) +
363 (2 * sizeof(unsigned short)) +
364 (3 * sizeof(int))))
365 err = -EFAULT;
366 }
367
368 return err;
369 }
370
371 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
372 char req_state;
373 char orphan;
374 char sg_io_owned;
375 char problem;
376 int pack_id;
377 compat_uptr_t usr_ptr;
378 unsigned int duration;
379 int unused;
380 };
381
382 static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
383 compat_sg_req_info __user *o)
384 {
385 int err, i;
386 sg_req_info_t __user *r;
387 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
388 err = sys_ioctl(fd,cmd,(unsigned long)r);
389 if (err < 0)
390 return err;
391 for (i = 0; i < SG_MAX_QUEUE; i++) {
392 void __user *ptr;
393 int d;
394
395 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
396 get_user(ptr, &r[i].usr_ptr) ||
397 get_user(d, &r[i].duration) ||
398 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
399 put_user(d, &o[i].duration))
400 return -EFAULT;
401 }
402 return err;
403 }
404 #endif /* CONFIG_BLOCK */
405
406 struct sock_fprog32 {
407 unsigned short len;
408 compat_caddr_t filter;
409 };
410
411 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
412 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
413
414 static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
415 struct sock_fprog32 __user *u_fprog32)
416 {
417 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
418 void __user *fptr64;
419 u32 fptr32;
420 u16 flen;
421
422 if (get_user(flen, &u_fprog32->len) ||
423 get_user(fptr32, &u_fprog32->filter))
424 return -EFAULT;
425
426 fptr64 = compat_ptr(fptr32);
427
428 if (put_user(flen, &u_fprog64->len) ||
429 put_user(fptr64, &u_fprog64->filter))
430 return -EFAULT;
431
432 if (cmd == PPPIOCSPASS32)
433 cmd = PPPIOCSPASS;
434 else
435 cmd = PPPIOCSACTIVE;
436
437 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
438 }
439
440 struct ppp_option_data32 {
441 compat_caddr_t ptr;
442 u32 length;
443 compat_int_t transmit;
444 };
445 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
446
447 struct ppp_idle32 {
448 compat_time_t xmit_idle;
449 compat_time_t recv_idle;
450 };
451 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
452
453 static int ppp_gidle(unsigned int fd, unsigned int cmd,
454 struct ppp_idle32 __user *idle32)
455 {
456 struct ppp_idle __user *idle;
457 __kernel_time_t xmit, recv;
458 int err;
459
460 idle = compat_alloc_user_space(sizeof(*idle));
461
462 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
463
464 if (!err) {
465 if (get_user(xmit, &idle->xmit_idle) ||
466 get_user(recv, &idle->recv_idle) ||
467 put_user(xmit, &idle32->xmit_idle) ||
468 put_user(recv, &idle32->recv_idle))
469 err = -EFAULT;
470 }
471 return err;
472 }
473
474 static int ppp_scompress(unsigned int fd, unsigned int cmd,
475 struct ppp_option_data32 __user *odata32)
476 {
477 struct ppp_option_data __user *odata;
478 __u32 data;
479 void __user *datap;
480
481 odata = compat_alloc_user_space(sizeof(*odata));
482
483 if (get_user(data, &odata32->ptr))
484 return -EFAULT;
485
486 datap = compat_ptr(data);
487 if (put_user(datap, &odata->ptr))
488 return -EFAULT;
489
490 if (copy_in_user(&odata->length, &odata32->length,
491 sizeof(__u32) + sizeof(int)))
492 return -EFAULT;
493
494 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
495 }
496
497 #ifdef CONFIG_BLOCK
498 struct mtget32 {
499 compat_long_t mt_type;
500 compat_long_t mt_resid;
501 compat_long_t mt_dsreg;
502 compat_long_t mt_gstat;
503 compat_long_t mt_erreg;
504 compat_daddr_t mt_fileno;
505 compat_daddr_t mt_blkno;
506 };
507 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
508
509 struct mtpos32 {
510 compat_long_t mt_blkno;
511 };
512 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
513
514 static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
515 {
516 mm_segment_t old_fs = get_fs();
517 struct mtget get;
518 struct mtget32 __user *umget32;
519 struct mtpos pos;
520 struct mtpos32 __user *upos32;
521 unsigned long kcmd;
522 void *karg;
523 int err = 0;
524
525 switch(cmd) {
526 case MTIOCPOS32:
527 kcmd = MTIOCPOS;
528 karg = &pos;
529 break;
530 default: /* MTIOCGET32 */
531 kcmd = MTIOCGET;
532 karg = &get;
533 break;
534 }
535 set_fs (KERNEL_DS);
536 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
537 set_fs (old_fs);
538 if (err)
539 return err;
540 switch (cmd) {
541 case MTIOCPOS32:
542 upos32 = argp;
543 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
544 break;
545 case MTIOCGET32:
546 umget32 = argp;
547 err = __put_user(get.mt_type, &umget32->mt_type);
548 err |= __put_user(get.mt_resid, &umget32->mt_resid);
549 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
550 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
551 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
552 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
553 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
554 break;
555 }
556 return err ? -EFAULT: 0;
557 }
558
559 #endif /* CONFIG_BLOCK */
560
561 /* Bluetooth ioctls */
562 #define HCIUARTSETPROTO _IOW('U', 200, int)
563 #define HCIUARTGETPROTO _IOR('U', 201, int)
564 #define HCIUARTGETDEVICE _IOR('U', 202, int)
565 #define HCIUARTSETFLAGS _IOW('U', 203, int)
566 #define HCIUARTGETFLAGS _IOR('U', 204, int)
567
568 #define BNEPCONNADD _IOW('B', 200, int)
569 #define BNEPCONNDEL _IOW('B', 201, int)
570 #define BNEPGETCONNLIST _IOR('B', 210, int)
571 #define BNEPGETCONNINFO _IOR('B', 211, int)
572
573 #define CMTPCONNADD _IOW('C', 200, int)
574 #define CMTPCONNDEL _IOW('C', 201, int)
575 #define CMTPGETCONNLIST _IOR('C', 210, int)
576 #define CMTPGETCONNINFO _IOR('C', 211, int)
577
578 #define HIDPCONNADD _IOW('H', 200, int)
579 #define HIDPCONNDEL _IOW('H', 201, int)
580 #define HIDPGETCONNLIST _IOR('H', 210, int)
581 #define HIDPGETCONNINFO _IOR('H', 211, int)
582
583
584 struct serial_struct32 {
585 compat_int_t type;
586 compat_int_t line;
587 compat_uint_t port;
588 compat_int_t irq;
589 compat_int_t flags;
590 compat_int_t xmit_fifo_size;
591 compat_int_t custom_divisor;
592 compat_int_t baud_base;
593 unsigned short close_delay;
594 char io_type;
595 char reserved_char[1];
596 compat_int_t hub6;
597 unsigned short closing_wait; /* time to wait before closing */
598 unsigned short closing_wait2; /* no longer used... */
599 compat_uint_t iomem_base;
600 unsigned short iomem_reg_shift;
601 unsigned int port_high;
602 /* compat_ulong_t iomap_base FIXME */
603 compat_int_t reserved[1];
604 };
605
606 static int serial_struct_ioctl(unsigned fd, unsigned cmd,
607 struct serial_struct32 __user *ss32)
608 {
609 typedef struct serial_struct SS;
610 typedef struct serial_struct32 SS32;
611 int err;
612 struct serial_struct ss;
613 mm_segment_t oldseg = get_fs();
614 __u32 udata;
615 unsigned int base;
616
617 if (cmd == TIOCSSERIAL) {
618 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
619 return -EFAULT;
620 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
621 return -EFAULT;
622 if (__get_user(udata, &ss32->iomem_base))
623 return -EFAULT;
624 ss.iomem_base = compat_ptr(udata);
625 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
626 __get_user(ss.port_high, &ss32->port_high))
627 return -EFAULT;
628 ss.iomap_base = 0UL;
629 }
630 set_fs(KERNEL_DS);
631 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
632 set_fs(oldseg);
633 if (cmd == TIOCGSERIAL && err >= 0) {
634 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
635 return -EFAULT;
636 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
637 return -EFAULT;
638 base = (unsigned long)ss.iomem_base >> 32 ?
639 0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
640 if (__put_user(base, &ss32->iomem_base) ||
641 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
642 __put_user(ss.port_high, &ss32->port_high))
643 return -EFAULT;
644 }
645 return err;
646 }
647
648 /*
649 * I2C layer ioctls
650 */
651
652 struct i2c_msg32 {
653 u16 addr;
654 u16 flags;
655 u16 len;
656 compat_caddr_t buf;
657 };
658
659 struct i2c_rdwr_ioctl_data32 {
660 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
661 u32 nmsgs;
662 };
663
664 struct i2c_smbus_ioctl_data32 {
665 u8 read_write;
666 u8 command;
667 u32 size;
668 compat_caddr_t data; /* union i2c_smbus_data *data */
669 };
670
671 struct i2c_rdwr_aligned {
672 struct i2c_rdwr_ioctl_data cmd;
673 struct i2c_msg msgs[0];
674 };
675
676 static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
677 struct i2c_rdwr_ioctl_data32 __user *udata)
678 {
679 struct i2c_rdwr_aligned __user *tdata;
680 struct i2c_msg __user *tmsgs;
681 struct i2c_msg32 __user *umsgs;
682 compat_caddr_t datap;
683 int nmsgs, i;
684
685 if (get_user(nmsgs, &udata->nmsgs))
686 return -EFAULT;
687 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
688 return -EINVAL;
689
690 if (get_user(datap, &udata->msgs))
691 return -EFAULT;
692 umsgs = compat_ptr(datap);
693
694 tdata = compat_alloc_user_space(sizeof(*tdata) +
695 nmsgs * sizeof(struct i2c_msg));
696 tmsgs = &tdata->msgs[0];
697
698 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
699 put_user(tmsgs, &tdata->cmd.msgs))
700 return -EFAULT;
701
702 for (i = 0; i < nmsgs; i++) {
703 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
704 return -EFAULT;
705 if (get_user(datap, &umsgs[i].buf) ||
706 put_user(compat_ptr(datap), &tmsgs[i].buf))
707 return -EFAULT;
708 }
709 return sys_ioctl(fd, cmd, (unsigned long)tdata);
710 }
711
712 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
713 struct i2c_smbus_ioctl_data32 __user *udata)
714 {
715 struct i2c_smbus_ioctl_data __user *tdata;
716 compat_caddr_t datap;
717
718 tdata = compat_alloc_user_space(sizeof(*tdata));
719 if (tdata == NULL)
720 return -ENOMEM;
721 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
722 return -EFAULT;
723
724 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
725 return -EFAULT;
726
727 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
728 return -EFAULT;
729 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
730 return -EFAULT;
731 if (__get_user(datap, &udata->data) ||
732 __put_user(compat_ptr(datap), &tdata->data))
733 return -EFAULT;
734
735 return sys_ioctl(fd, cmd, (unsigned long)tdata);
736 }
737
738 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
739 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
740 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
741 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
742
743 static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
744 {
745 mm_segment_t oldfs = get_fs();
746 compat_ulong_t val32;
747 unsigned long kval;
748 int ret;
749
750 switch (cmd) {
751 case RTC_IRQP_READ32:
752 case RTC_EPOCH_READ32:
753 set_fs(KERNEL_DS);
754 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
755 RTC_IRQP_READ : RTC_EPOCH_READ,
756 (unsigned long)&kval);
757 set_fs(oldfs);
758 if (ret)
759 return ret;
760 val32 = kval;
761 return put_user(val32, (unsigned int __user *)argp);
762 case RTC_IRQP_SET32:
763 return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
764 case RTC_EPOCH_SET32:
765 return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
766 }
767
768 return -ENOIOCTLCMD;
769 }
770
771 /* on ia32 l_start is on a 32-bit boundary */
772 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
773 struct space_resv_32 {
774 __s16 l_type;
775 __s16 l_whence;
776 __s64 l_start __attribute__((packed));
777 /* len == 0 means until end of file */
778 __s64 l_len __attribute__((packed));
779 __s32 l_sysid;
780 __u32 l_pid;
781 __s32 l_pad[4]; /* reserve area */
782 };
783
784 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
785 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
786
787 /* just account for different alignment */
788 static int compat_ioctl_preallocate(struct file *file,
789 struct space_resv_32 __user *p32)
790 {
791 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
792
793 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
794 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
795 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
796 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
797 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
798 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
799 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
800 return -EFAULT;
801
802 return ioctl_preallocate(file, p);
803 }
804 #endif
805
806 /*
807 * simple reversible transform to make our table more evenly
808 * distributed after sorting.
809 */
810 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
811
812 #define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
813 /* ioctl should not be warned about even if it's not implemented.
814 Valid reasons to use this:
815 - It is implemented with ->compat_ioctl on some device, but programs
816 call it on others too.
817 - The ioctl is not implemented in the native kernel, but programs
818 call it commonly anyways.
819 Most other reasons are not valid. */
820 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
821
822 static unsigned int ioctl_pointer[] = {
823 /* compatible ioctls first */
824 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
825 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
826
827 /* Big T */
828 COMPATIBLE_IOCTL(TCGETA)
829 COMPATIBLE_IOCTL(TCSETA)
830 COMPATIBLE_IOCTL(TCSETAW)
831 COMPATIBLE_IOCTL(TCSETAF)
832 COMPATIBLE_IOCTL(TCSBRK)
833 COMPATIBLE_IOCTL(TCXONC)
834 COMPATIBLE_IOCTL(TCFLSH)
835 COMPATIBLE_IOCTL(TCGETS)
836 COMPATIBLE_IOCTL(TCSETS)
837 COMPATIBLE_IOCTL(TCSETSW)
838 COMPATIBLE_IOCTL(TCSETSF)
839 COMPATIBLE_IOCTL(TIOCLINUX)
840 COMPATIBLE_IOCTL(TIOCSBRK)
841 COMPATIBLE_IOCTL(TIOCGDEV)
842 COMPATIBLE_IOCTL(TIOCCBRK)
843 COMPATIBLE_IOCTL(TIOCGSID)
844 COMPATIBLE_IOCTL(TIOCGICOUNT)
845 /* Little t */
846 COMPATIBLE_IOCTL(TIOCGETD)
847 COMPATIBLE_IOCTL(TIOCSETD)
848 COMPATIBLE_IOCTL(TIOCEXCL)
849 COMPATIBLE_IOCTL(TIOCNXCL)
850 COMPATIBLE_IOCTL(TIOCCONS)
851 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
852 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
853 COMPATIBLE_IOCTL(TIOCSWINSZ)
854 COMPATIBLE_IOCTL(TIOCGWINSZ)
855 COMPATIBLE_IOCTL(TIOCMGET)
856 COMPATIBLE_IOCTL(TIOCMBIC)
857 COMPATIBLE_IOCTL(TIOCMBIS)
858 COMPATIBLE_IOCTL(TIOCMSET)
859 COMPATIBLE_IOCTL(TIOCPKT)
860 COMPATIBLE_IOCTL(TIOCNOTTY)
861 COMPATIBLE_IOCTL(TIOCSTI)
862 COMPATIBLE_IOCTL(TIOCOUTQ)
863 COMPATIBLE_IOCTL(TIOCSPGRP)
864 COMPATIBLE_IOCTL(TIOCGPGRP)
865 COMPATIBLE_IOCTL(TIOCGPTN)
866 COMPATIBLE_IOCTL(TIOCSPTLCK)
867 COMPATIBLE_IOCTL(TIOCSERGETLSR)
868 COMPATIBLE_IOCTL(TIOCSIG)
869 #ifdef TIOCSRS485
870 COMPATIBLE_IOCTL(TIOCSRS485)
871 #endif
872 #ifdef TIOCGRS485
873 COMPATIBLE_IOCTL(TIOCGRS485)
874 #endif
875 #ifdef TCGETS2
876 COMPATIBLE_IOCTL(TCGETS2)
877 COMPATIBLE_IOCTL(TCSETS2)
878 COMPATIBLE_IOCTL(TCSETSW2)
879 COMPATIBLE_IOCTL(TCSETSF2)
880 #endif
881 /* Little f */
882 COMPATIBLE_IOCTL(FIOCLEX)
883 COMPATIBLE_IOCTL(FIONCLEX)
884 COMPATIBLE_IOCTL(FIOASYNC)
885 COMPATIBLE_IOCTL(FIONBIO)
886 COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
887 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
888 /* 0x00 */
889 COMPATIBLE_IOCTL(FIBMAP)
890 COMPATIBLE_IOCTL(FIGETBSZ)
891 /* 'X' - originally XFS but some now in the VFS */
892 COMPATIBLE_IOCTL(FIFREEZE)
893 COMPATIBLE_IOCTL(FITHAW)
894 COMPATIBLE_IOCTL(KDGETKEYCODE)
895 COMPATIBLE_IOCTL(KDSETKEYCODE)
896 COMPATIBLE_IOCTL(KDGKBTYPE)
897 COMPATIBLE_IOCTL(KDGETMODE)
898 COMPATIBLE_IOCTL(KDGKBMODE)
899 COMPATIBLE_IOCTL(KDGKBMETA)
900 COMPATIBLE_IOCTL(KDGKBENT)
901 COMPATIBLE_IOCTL(KDSKBENT)
902 COMPATIBLE_IOCTL(KDGKBSENT)
903 COMPATIBLE_IOCTL(KDSKBSENT)
904 COMPATIBLE_IOCTL(KDGKBDIACR)
905 COMPATIBLE_IOCTL(KDSKBDIACR)
906 COMPATIBLE_IOCTL(KDGKBDIACRUC)
907 COMPATIBLE_IOCTL(KDSKBDIACRUC)
908 COMPATIBLE_IOCTL(KDKBDREP)
909 COMPATIBLE_IOCTL(KDGKBLED)
910 COMPATIBLE_IOCTL(KDGETLED)
911 #ifdef CONFIG_BLOCK
912 /* Big S */
913 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
914 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
915 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
916 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
917 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
918 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
919 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
920 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
921 #endif
922 /* Big V (don't complain on serial console) */
923 IGNORE_IOCTL(VT_OPENQRY)
924 IGNORE_IOCTL(VT_GETMODE)
925 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
926 COMPATIBLE_IOCTL(RTC_AIE_ON)
927 COMPATIBLE_IOCTL(RTC_AIE_OFF)
928 COMPATIBLE_IOCTL(RTC_UIE_ON)
929 COMPATIBLE_IOCTL(RTC_UIE_OFF)
930 COMPATIBLE_IOCTL(RTC_PIE_ON)
931 COMPATIBLE_IOCTL(RTC_PIE_OFF)
932 COMPATIBLE_IOCTL(RTC_WIE_ON)
933 COMPATIBLE_IOCTL(RTC_WIE_OFF)
934 COMPATIBLE_IOCTL(RTC_ALM_SET)
935 COMPATIBLE_IOCTL(RTC_ALM_READ)
936 COMPATIBLE_IOCTL(RTC_RD_TIME)
937 COMPATIBLE_IOCTL(RTC_SET_TIME)
938 COMPATIBLE_IOCTL(RTC_WKALM_SET)
939 COMPATIBLE_IOCTL(RTC_WKALM_RD)
940 /*
941 * These two are only for the sbus rtc driver, but
942 * hwclock tries them on every rtc device first when
943 * running on sparc. On other architectures the entries
944 * are useless but harmless.
945 */
946 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
947 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
948 /* Little m */
949 COMPATIBLE_IOCTL(MTIOCTOP)
950 /* Socket level stuff */
951 COMPATIBLE_IOCTL(FIOQSIZE)
952 #ifdef CONFIG_BLOCK
953 /* loop */
954 IGNORE_IOCTL(LOOP_CLR_FD)
955 /* md calls this on random blockdevs */
956 IGNORE_IOCTL(RAID_VERSION)
957 /* qemu/qemu-img might call these two on plain files for probing */
958 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
959 IGNORE_IOCTL(FDGETPRM32)
960 /* SG stuff */
961 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
962 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
963 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
964 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
965 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
966 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
967 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
968 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
969 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
970 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
971 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
972 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
973 COMPATIBLE_IOCTL(SG_SET_DEBUG)
974 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
975 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
976 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
977 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
978 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
979 COMPATIBLE_IOCTL(SG_SCSI_RESET)
980 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
981 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
982 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
983 #endif
984 /* PPP stuff */
985 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
986 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
987 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
988 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
989 COMPATIBLE_IOCTL(PPPIOCGUNIT)
990 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
991 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
992 COMPATIBLE_IOCTL(PPPIOCGMRU)
993 COMPATIBLE_IOCTL(PPPIOCSMRU)
994 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
995 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
996 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
997 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
998 /* PPPIOCSCOMPRESS is translated */
999 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1000 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1001 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1002 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1003 /* PPPIOCSPASS is translated */
1004 /* PPPIOCSACTIVE is translated */
1005 /* PPPIOCGIDLE is translated */
1006 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1007 COMPATIBLE_IOCTL(PPPIOCATTACH)
1008 COMPATIBLE_IOCTL(PPPIOCDETACH)
1009 COMPATIBLE_IOCTL(PPPIOCSMRRU)
1010 COMPATIBLE_IOCTL(PPPIOCCONNECT)
1011 COMPATIBLE_IOCTL(PPPIOCDISCONN)
1012 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1013 COMPATIBLE_IOCTL(PPPIOCGCHAN)
1014 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1015 /* PPPOX */
1016 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1017 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
1018 /* ppdev */
1019 COMPATIBLE_IOCTL(PPSETMODE)
1020 COMPATIBLE_IOCTL(PPRSTATUS)
1021 COMPATIBLE_IOCTL(PPRCONTROL)
1022 COMPATIBLE_IOCTL(PPWCONTROL)
1023 COMPATIBLE_IOCTL(PPFCONTROL)
1024 COMPATIBLE_IOCTL(PPRDATA)
1025 COMPATIBLE_IOCTL(PPWDATA)
1026 COMPATIBLE_IOCTL(PPCLAIM)
1027 COMPATIBLE_IOCTL(PPRELEASE)
1028 COMPATIBLE_IOCTL(PPYIELD)
1029 COMPATIBLE_IOCTL(PPEXCL)
1030 COMPATIBLE_IOCTL(PPDATADIR)
1031 COMPATIBLE_IOCTL(PPNEGOT)
1032 COMPATIBLE_IOCTL(PPWCTLONIRQ)
1033 COMPATIBLE_IOCTL(PPCLRIRQ)
1034 COMPATIBLE_IOCTL(PPSETPHASE)
1035 COMPATIBLE_IOCTL(PPGETMODES)
1036 COMPATIBLE_IOCTL(PPGETMODE)
1037 COMPATIBLE_IOCTL(PPGETPHASE)
1038 COMPATIBLE_IOCTL(PPGETFLAGS)
1039 COMPATIBLE_IOCTL(PPSETFLAGS)
1040 /* Big A */
1041 /* sparc only */
1042 /* Big Q for sound/OSS */
1043 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1044 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1045 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1046 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1047 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1048 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1049 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1050 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1051 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1052 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1053 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1054 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1055 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1056 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1057 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1058 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1059 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1060 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1061 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1062 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1063 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1064 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1065 /* Big T for sound/OSS */
1066 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1067 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1068 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1069 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1070 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1071 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1072 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1073 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1074 /* Little m for sound/OSS */
1075 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1076 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1077 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1078 /* Big P for sound/OSS */
1079 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1080 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1081 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1082 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1083 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1084 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1085 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1086 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1087 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1088 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1089 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1090 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1091 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1092 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1093 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1094 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1095 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1096 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1097 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1098 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1099 /* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1100 /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1101 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1102 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1103 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1104 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1105 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1106 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1107 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1108 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1109 /* Big C for sound/OSS */
1110 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1111 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1112 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1113 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1114 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1115 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1116 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1117 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1118 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1119 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1120 /* Big M for sound/OSS */
1121 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1122 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1123 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1124 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1125 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1126 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1127 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1128 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1129 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1130 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1131 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1132 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1133 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1134 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1135 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1136 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1137 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1138 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1139 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1140 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1141 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1142 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1143 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1144 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1145 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1146 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1147 /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1148 /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1149 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1150 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1151 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1152 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1153 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1157 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1158 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1159 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1160 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1161 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1162 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1163 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1164 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1165 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1166 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1167 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1168 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1169 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1170 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1171 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1172 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1173 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1174 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1175 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1176 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1177 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1178 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1179 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1180 /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1181 /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1182 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1183 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1184 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1185 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1186 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1188 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1189 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1190 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1191 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1192 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1193 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1194 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1195 COMPATIBLE_IOCTL(OSS_GETVERSION)
1196 /* Raw devices */
1197 COMPATIBLE_IOCTL(RAW_SETBIND)
1198 COMPATIBLE_IOCTL(RAW_GETBIND)
1199 /* Watchdog */
1200 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1201 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1202 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1203 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1204 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1205 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1206 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1207 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1208 /* Big R */
1209 COMPATIBLE_IOCTL(RNDGETENTCNT)
1210 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1211 COMPATIBLE_IOCTL(RNDGETPOOL)
1212 COMPATIBLE_IOCTL(RNDADDENTROPY)
1213 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1214 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1215 /* Bluetooth */
1216 COMPATIBLE_IOCTL(HCIDEVUP)
1217 COMPATIBLE_IOCTL(HCIDEVDOWN)
1218 COMPATIBLE_IOCTL(HCIDEVRESET)
1219 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1220 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1221 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1222 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1223 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1224 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1225 COMPATIBLE_IOCTL(HCISETRAW)
1226 COMPATIBLE_IOCTL(HCISETSCAN)
1227 COMPATIBLE_IOCTL(HCISETAUTH)
1228 COMPATIBLE_IOCTL(HCISETENCRYPT)
1229 COMPATIBLE_IOCTL(HCISETPTYPE)
1230 COMPATIBLE_IOCTL(HCISETLINKPOL)
1231 COMPATIBLE_IOCTL(HCISETLINKMODE)
1232 COMPATIBLE_IOCTL(HCISETACLMTU)
1233 COMPATIBLE_IOCTL(HCISETSCOMTU)
1234 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1235 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1236 COMPATIBLE_IOCTL(HCIINQUIRY)
1237 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1238 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1239 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1240 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1241 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1242 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1243 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1244 COMPATIBLE_IOCTL(BNEPCONNADD)
1245 COMPATIBLE_IOCTL(BNEPCONNDEL)
1246 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1247 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1248 COMPATIBLE_IOCTL(CMTPCONNADD)
1249 COMPATIBLE_IOCTL(CMTPCONNDEL)
1250 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1251 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1252 COMPATIBLE_IOCTL(HIDPCONNADD)
1253 COMPATIBLE_IOCTL(HIDPCONNDEL)
1254 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1255 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1256 /* CAPI */
1257 COMPATIBLE_IOCTL(CAPI_REGISTER)
1258 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1259 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1260 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1261 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1262 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1263 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1264 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1265 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1266 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1267 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1268 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1269 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1270 /* Siemens Gigaset */
1271 COMPATIBLE_IOCTL(GIGASET_REDIR)
1272 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1273 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1274 COMPATIBLE_IOCTL(GIGASET_VERSION)
1275 /* Misc. */
1276 COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1277 COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1278 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1279 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1280 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1281 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1282 /* NBD */
1283 COMPATIBLE_IOCTL(NBD_DO_IT)
1284 COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1285 COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1286 COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
1287 COMPATIBLE_IOCTL(NBD_DISCONNECT)
1288 /* i2c */
1289 COMPATIBLE_IOCTL(I2C_SLAVE)
1290 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1291 COMPATIBLE_IOCTL(I2C_TENBIT)
1292 COMPATIBLE_IOCTL(I2C_PEC)
1293 COMPATIBLE_IOCTL(I2C_RETRIES)
1294 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1295 /* hiddev */
1296 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1297 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1298 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1299 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1300 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1301 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1302 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1303 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1304 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1305 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1306 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1307 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1308 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1309 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1310 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1311 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1312 /* dvb */
1313 COMPATIBLE_IOCTL(AUDIO_STOP)
1314 COMPATIBLE_IOCTL(AUDIO_PLAY)
1315 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1316 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1317 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1318 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1319 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1320 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1321 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1322 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1323 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1324 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1325 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1326 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1327 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1328 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1329 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1330 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1331 COMPATIBLE_IOCTL(DMX_START)
1332 COMPATIBLE_IOCTL(DMX_STOP)
1333 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1334 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1335 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1336 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1337 COMPATIBLE_IOCTL(DMX_GET_CAPS)
1338 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1339 COMPATIBLE_IOCTL(DMX_GET_STC)
1340 COMPATIBLE_IOCTL(FE_GET_INFO)
1341 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1342 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1343 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1344 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1345 COMPATIBLE_IOCTL(FE_SET_TONE)
1346 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1347 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1348 COMPATIBLE_IOCTL(FE_READ_STATUS)
1349 COMPATIBLE_IOCTL(FE_READ_BER)
1350 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1351 COMPATIBLE_IOCTL(FE_READ_SNR)
1352 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1353 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1354 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1355 COMPATIBLE_IOCTL(FE_GET_EVENT)
1356 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1357 COMPATIBLE_IOCTL(VIDEO_STOP)
1358 COMPATIBLE_IOCTL(VIDEO_PLAY)
1359 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1360 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1361 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1362 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1363 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1364 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1365 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1366 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1367 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1368 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1369 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1370 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1371 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1372 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1373 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1374 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1375 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1376 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1377 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1378 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1379
1380 /* joystick */
1381 COMPATIBLE_IOCTL(JSIOCGVERSION)
1382 COMPATIBLE_IOCTL(JSIOCGAXES)
1383 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1384 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1385
1386 #ifdef TIOCGLTC
1387 COMPATIBLE_IOCTL(TIOCGLTC)
1388 COMPATIBLE_IOCTL(TIOCSLTC)
1389 #endif
1390 #ifdef TIOCSTART
1391 /*
1392 * For these two we have definitions in ioctls.h and/or termios.h on
1393 * some architectures but no actual implemention. Some applications
1394 * like bash call them if they are defined in the headers, so we provide
1395 * entries here to avoid syslog message spew.
1396 */
1397 COMPATIBLE_IOCTL(TIOCSTART)
1398 COMPATIBLE_IOCTL(TIOCSTOP)
1399 #endif
1400
1401 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1402 but we don't want warnings on other file systems. So declare
1403 them as compatible here. */
1404 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1405 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1406
1407 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1408 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1409
1410 #ifdef CONFIG_SPARC
1411 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1412 IGNORE_IOCTL(FBIOGTYPE)
1413 IGNORE_IOCTL(FBIOSATTR)
1414 IGNORE_IOCTL(FBIOGATTR)
1415 IGNORE_IOCTL(FBIOSVIDEO)
1416 IGNORE_IOCTL(FBIOGVIDEO)
1417 IGNORE_IOCTL(FBIOSCURPOS)
1418 IGNORE_IOCTL(FBIOGCURPOS)
1419 IGNORE_IOCTL(FBIOGCURMAX)
1420 IGNORE_IOCTL(FBIOPUTCMAP32)
1421 IGNORE_IOCTL(FBIOGETCMAP32)
1422 IGNORE_IOCTL(FBIOSCURSOR32)
1423 IGNORE_IOCTL(FBIOGCURSOR32)
1424 #endif
1425 };
1426
1427 /*
1428 * Convert common ioctl arguments based on their command number
1429 *
1430 * Please do not add any code in here. Instead, implement
1431 * a compat_ioctl operation in the place that handleѕ the
1432 * ioctl for the native case.
1433 */
1434 static long do_ioctl_trans(int fd, unsigned int cmd,
1435 unsigned long arg, struct file *file)
1436 {
1437 void __user *argp = compat_ptr(arg);
1438
1439 switch (cmd) {
1440 case PPPIOCGIDLE32:
1441 return ppp_gidle(fd, cmd, argp);
1442 case PPPIOCSCOMPRESS32:
1443 return ppp_scompress(fd, cmd, argp);
1444 case PPPIOCSPASS32:
1445 case PPPIOCSACTIVE32:
1446 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
1447 #ifdef CONFIG_BLOCK
1448 case SG_IO:
1449 return sg_ioctl_trans(fd, cmd, argp);
1450 case SG_GET_REQUEST_TABLE:
1451 return sg_grt_trans(fd, cmd, argp);
1452 case MTIOCGET32:
1453 case MTIOCPOS32:
1454 return mt_ioctl_trans(fd, cmd, argp);
1455 #endif
1456 /* Serial */
1457 case TIOCGSERIAL:
1458 case TIOCSSERIAL:
1459 return serial_struct_ioctl(fd, cmd, argp);
1460 /* i2c */
1461 case I2C_FUNCS:
1462 return w_long(fd, cmd, argp);
1463 case I2C_RDWR:
1464 return do_i2c_rdwr_ioctl(fd, cmd, argp);
1465 case I2C_SMBUS:
1466 return do_i2c_smbus_ioctl(fd, cmd, argp);
1467 /* Not implemented in the native kernel */
1468 case RTC_IRQP_READ32:
1469 case RTC_IRQP_SET32:
1470 case RTC_EPOCH_READ32:
1471 case RTC_EPOCH_SET32:
1472 return rtc_ioctl(fd, cmd, argp);
1473
1474 /* dvb */
1475 case VIDEO_GET_EVENT:
1476 return do_video_get_event(fd, cmd, argp);
1477 case VIDEO_STILLPICTURE:
1478 return do_video_stillpicture(fd, cmd, argp);
1479 case VIDEO_SET_SPU_PALETTE:
1480 return do_video_set_spu_palette(fd, cmd, argp);
1481 }
1482
1483 /*
1484 * These take an integer instead of a pointer as 'arg',
1485 * so we must not do a compat_ptr() translation.
1486 */
1487 switch (cmd) {
1488 /* Big T */
1489 case TCSBRKP:
1490 case TIOCMIWAIT:
1491 case TIOCSCTTY:
1492 /* RAID */
1493 case HOT_REMOVE_DISK:
1494 case HOT_ADD_DISK:
1495 case SET_DISK_FAULTY:
1496 case SET_BITMAP_FILE:
1497 /* Big K */
1498 case KDSIGACCEPT:
1499 case KIOCSOUND:
1500 case KDMKTONE:
1501 case KDSETMODE:
1502 case KDSKBMODE:
1503 case KDSKBMETA:
1504 case KDSKBLED:
1505 case KDSETLED:
1506 /* NBD */
1507 case NBD_SET_SOCK:
1508 case NBD_SET_BLKSIZE:
1509 case NBD_SET_SIZE:
1510 case NBD_SET_SIZE_BLOCKS:
1511 return do_vfs_ioctl(file, fd, cmd, arg);
1512 }
1513
1514 return -ENOIOCTLCMD;
1515 }
1516
1517 static int compat_ioctl_check_table(unsigned int xcmd)
1518 {
1519 int i;
1520 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1521
1522 BUILD_BUG_ON(max >= (1 << 16));
1523
1524 /* guess initial offset into table, assuming a
1525 normalized distribution */
1526 i = ((xcmd >> 16) * max) >> 16;
1527
1528 /* do linear search up first, until greater or equal */
1529 while (ioctl_pointer[i] < xcmd && i < max)
1530 i++;
1531
1532 /* then do linear search down */
1533 while (ioctl_pointer[i] > xcmd && i > 0)
1534 i--;
1535
1536 return ioctl_pointer[i] == xcmd;
1537 }
1538
1539 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1540 unsigned long arg)
1541 {
1542 struct fd f = fdget(fd);
1543 int error = -EBADF;
1544 if (!f.file)
1545 goto out;
1546
1547 /* RED-PEN how should LSM module know it's handling 32bit? */
1548 error = security_file_ioctl(f.file, cmd, arg);
1549 if (error)
1550 goto out_fput;
1551
1552 /*
1553 * To allow the compat_ioctl handlers to be self contained
1554 * we need to check the common ioctls here first.
1555 * Just handle them with the standard handlers below.
1556 */
1557 switch (cmd) {
1558 case FIOCLEX:
1559 case FIONCLEX:
1560 case FIONBIO:
1561 case FIOASYNC:
1562 case FIOQSIZE:
1563 break;
1564
1565 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1566 case FS_IOC_RESVSP_32:
1567 case FS_IOC_RESVSP64_32:
1568 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1569 goto out_fput;
1570 #else
1571 case FS_IOC_RESVSP:
1572 case FS_IOC_RESVSP64:
1573 error = ioctl_preallocate(f.file, compat_ptr(arg));
1574 goto out_fput;
1575 #endif
1576
1577 case FIBMAP:
1578 case FIGETBSZ:
1579 case FIONREAD:
1580 if (S_ISREG(f.file->f_path.dentry->d_inode->i_mode))
1581 break;
1582 /*FALL THROUGH*/
1583
1584 default:
1585 if (f.file->f_op && f.file->f_op->compat_ioctl) {
1586 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1587 if (error != -ENOIOCTLCMD)
1588 goto out_fput;
1589 }
1590
1591 if (!f.file->f_op || !f.file->f_op->unlocked_ioctl)
1592 goto do_ioctl;
1593 break;
1594 }
1595
1596 if (compat_ioctl_check_table(XFORM(cmd)))
1597 goto found_handler;
1598
1599 error = do_ioctl_trans(fd, cmd, arg, f.file);
1600 if (error == -ENOIOCTLCMD)
1601 error = -ENOTTY;
1602
1603 goto out_fput;
1604
1605 found_handler:
1606 arg = (unsigned long)compat_ptr(arg);
1607 do_ioctl:
1608 error = do_vfs_ioctl(f.file, fd, cmd, arg);
1609 out_fput:
1610 fdput(f);
1611 out:
1612 return error;
1613 }
1614
1615 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1616 {
1617 unsigned int a, b;
1618 a = *(unsigned int *)p;
1619 b = *(unsigned int *)q;
1620 if (a > b)
1621 return 1;
1622 if (a < b)
1623 return -1;
1624 return 0;
1625 }
1626
1627 static int __init init_sys32_ioctl(void)
1628 {
1629 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1630 init_sys32_ioctl_cmp, NULL);
1631 return 0;
1632 }
1633 __initcall(init_sys32_ioctl);
Linus' kernel tree