Version:  2.0.40 2.2.26 2.4.37 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10

Linux/fs/compat_ioctl.c

  1 /*
  2  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
  3  *
  4  * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
  5  * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
  6  * Copyright (C) 2001,2002  Andi Kleen, SuSE Labs 
  7  * Copyright (C) 2003       Pavel Machek (pavel@ucw.cz)
  8  *
  9  * These routines maintain argument size conversion between 32bit and 64bit
 10  * ioctls.
 11  */
 12 
 13 #include <linux/joystick.h>
 14 
 15 #include <linux/types.h>
 16 #include <linux/compat.h>
 17 #include <linux/kernel.h>
 18 #include <linux/capability.h>
 19 #include <linux/compiler.h>
 20 #include <linux/sched.h>
 21 #include <linux/smp.h>
 22 #include <linux/ioctl.h>
 23 #include <linux/if.h>
 24 #include <linux/if_bridge.h>
 25 #include <linux/raid/md_u.h>
 26 #include <linux/kd.h>
 27 #include <linux/route.h>
 28 #include <linux/in6.h>
 29 #include <linux/ipv6_route.h>
 30 #include <linux/skbuff.h>
 31 #include <linux/netlink.h>
 32 #include <linux/vt.h>
 33 #include <linux/falloc.h>
 34 #include <linux/fs.h>
 35 #include <linux/file.h>
 36 #include <linux/ppp_defs.h>
 37 #include <linux/ppp-ioctl.h>
 38 #include <linux/if_pppox.h>
 39 #include <linux/mtio.h>
 40 #include <linux/auto_fs.h>
 41 #include <linux/auto_fs4.h>
 42 #include <linux/tty.h>
 43 #include <linux/vt_kern.h>
 44 #include <linux/fb.h>
 45 #include <linux/videodev2.h>
 46 #include <linux/netdevice.h>
 47 #include <linux/raw.h>
 48 #include <linux/blkdev.h>
 49 #include <linux/elevator.h>
 50 #include <linux/rtc.h>
 51 #include <linux/pci.h>
 52 #include <linux/serial.h>
 53 #include <linux/if_tun.h>
 54 #include <linux/ctype.h>
 55 #include <linux/syscalls.h>
 56 #include <linux/i2c.h>
 57 #include <linux/i2c-dev.h>
 58 #include <linux/atalk.h>
 59 #include <linux/gfp.h>
 60 #include <linux/cec.h>
 61 
 62 #include "internal.h"
 63 
 64 #include <net/bluetooth/bluetooth.h>
 65 #include <net/bluetooth/hci_sock.h>
 66 #include <net/bluetooth/rfcomm.h>
 67 
 68 #include <linux/capi.h>
 69 #include <linux/gigaset_dev.h>
 70 
 71 #ifdef CONFIG_BLOCK
 72 #include <linux/cdrom.h>
 73 #include <linux/fd.h>
 74 #include <scsi/scsi.h>
 75 #include <scsi/scsi_ioctl.h>
 76 #include <scsi/sg.h>
 77 #endif
 78 
 79 #include <linux/uaccess.h>
 80 #include <linux/ethtool.h>
 81 #include <linux/mii.h>
 82 #include <linux/if_bonding.h>
 83 #include <linux/watchdog.h>
 84 
 85 #include <linux/soundcard.h>
 86 #include <linux/lp.h>
 87 #include <linux/ppdev.h>
 88 
 89 #include <linux/atm.h>
 90 #include <linux/atmarp.h>
 91 #include <linux/atmclip.h>
 92 #include <linux/atmdev.h>
 93 #include <linux/atmioc.h>
 94 #include <linux/atmlec.h>
 95 #include <linux/atmmpc.h>
 96 #include <linux/atmsvc.h>
 97 #include <linux/atm_tcp.h>
 98 #include <linux/sonet.h>
 99 #include <linux/atm_suni.h>
100 
101 #include <linux/usb.h>
102 #include <linux/usbdevice_fs.h>
103 #include <linux/nbd.h>
104 #include <linux/random.h>
105 #include <linux/filter.h>
106 
107 #include <linux/hiddev.h>
108 
109 #define __DVB_CORE__
110 #include <linux/dvb/audio.h>
111 #include <linux/dvb/dmx.h>
112 #include <linux/dvb/frontend.h>
113 #include <linux/dvb/video.h>
114 
115 #include <linux/sort.h>
116 
117 #ifdef CONFIG_SPARC
118 #include <asm/fbio.h>
119 #endif
120 
121 #define convert_in_user(srcptr, dstptr)                 \
122 ({                                                      \
123         typeof(*srcptr) val;                            \
124                                                         \
125         get_user(val, srcptr) || put_user(val, dstptr); \
126 })
127 
128 static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
129 {
130         int err;
131 
132         err = security_file_ioctl(file, cmd, arg);
133         if (err)
134                 return err;
135 
136         return vfs_ioctl(file, cmd, arg);
137 }
138 
139 static int w_long(struct file *file,
140                 unsigned int cmd, compat_ulong_t __user *argp)
141 {
142         int err;
143         unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
144 
145         if (valp == NULL)
146                 return -EFAULT;
147         err = do_ioctl(file, cmd, (unsigned long)valp);
148         if (err)
149                 return err;
150         if (convert_in_user(valp, argp))
151                 return -EFAULT;
152         return 0;
153 }
154 
155 struct compat_video_event {
156         int32_t         type;
157         compat_time_t   timestamp;
158         union {
159                 video_size_t size;
160                 unsigned int frame_rate;
161         } u;
162 };
163 
164 static int do_video_get_event(struct file *file,
165                 unsigned int cmd, struct compat_video_event __user *up)
166 {
167         struct video_event __user *kevent =
168                 compat_alloc_user_space(sizeof(*kevent));
169         int err;
170 
171         if (kevent == NULL)
172                 return -EFAULT;
173 
174         err = do_ioctl(file, cmd, (unsigned long)kevent);
175         if (!err) {
176                 err  = convert_in_user(&kevent->type, &up->type);
177                 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
178                 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
179                 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
180                 err |= convert_in_user(&kevent->u.size.aspect_ratio,
181                                 &up->u.size.aspect_ratio);
182                 if (err)
183                         err = -EFAULT;
184         }
185 
186         return err;
187 }
188 
189 struct compat_video_still_picture {
190         compat_uptr_t iFrame;
191         int32_t size;
192 };
193 
194 static int do_video_stillpicture(struct file *file,
195                 unsigned int cmd, struct compat_video_still_picture __user *up)
196 {
197         struct video_still_picture __user *up_native;
198         compat_uptr_t fp;
199         int32_t size;
200         int err;
201 
202         err  = get_user(fp, &up->iFrame);
203         err |= get_user(size, &up->size);
204         if (err)
205                 return -EFAULT;
206 
207         up_native =
208                 compat_alloc_user_space(sizeof(struct video_still_picture));
209 
210         err =  put_user(compat_ptr(fp), &up_native->iFrame);
211         err |= put_user(size, &up_native->size);
212         if (err)
213                 return -EFAULT;
214 
215         err = do_ioctl(file, cmd, (unsigned long) up_native);
216 
217         return err;
218 }
219 
220 struct compat_video_spu_palette {
221         int length;
222         compat_uptr_t palette;
223 };
224 
225 static int do_video_set_spu_palette(struct file *file,
226                 unsigned int cmd, struct compat_video_spu_palette __user *up)
227 {
228         struct video_spu_palette __user *up_native;
229         compat_uptr_t palp;
230         int length, err;
231 
232         err  = get_user(palp, &up->palette);
233         err |= get_user(length, &up->length);
234         if (err)
235                 return -EFAULT;
236 
237         up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
238         err  = put_user(compat_ptr(palp), &up_native->palette);
239         err |= put_user(length, &up_native->length);
240         if (err)
241                 return -EFAULT;
242 
243         err = do_ioctl(file, cmd, (unsigned long) up_native);
244 
245         return err;
246 }
247 
248 #ifdef CONFIG_BLOCK
249 typedef struct sg_io_hdr32 {
250         compat_int_t interface_id;      /* [i] 'S' for SCSI generic (required) */
251         compat_int_t dxfer_direction;   /* [i] data transfer direction  */
252         unsigned char cmd_len;          /* [i] SCSI command length ( <= 16 bytes) */
253         unsigned char mx_sb_len;                /* [i] max length to write to sbp */
254         unsigned short iovec_count;     /* [i] 0 implies no scatter gather */
255         compat_uint_t dxfer_len;                /* [i] byte count of data transfer */
256         compat_uint_t dxferp;           /* [i], [*io] points to data transfer memory
257                                               or scatter gather list */
258         compat_uptr_t cmdp;             /* [i], [*i] points to command to perform */
259         compat_uptr_t sbp;              /* [i], [*o] points to sense_buffer memory */
260         compat_uint_t timeout;          /* [i] MAX_UINT->no timeout (unit: millisec) */
261         compat_uint_t flags;            /* [i] 0 -> default, see SG_FLAG... */
262         compat_int_t pack_id;           /* [i->o] unused internally (normally) */
263         compat_uptr_t usr_ptr;          /* [i->o] unused internally */
264         unsigned char status;           /* [o] scsi status */
265         unsigned char masked_status;    /* [o] shifted, masked scsi status */
266         unsigned char msg_status;               /* [o] messaging level data (optional) */
267         unsigned char sb_len_wr;                /* [o] byte count actually written to sbp */
268         unsigned short host_status;     /* [o] errors from host adapter */
269         unsigned short driver_status;   /* [o] errors from software driver */
270         compat_int_t resid;             /* [o] dxfer_len - actual_transferred */
271         compat_uint_t duration;         /* [o] time taken by cmd (unit: millisec) */
272         compat_uint_t info;             /* [o] auxiliary information */
273 } sg_io_hdr32_t;  /* 64 bytes long (on sparc32) */
274 
275 typedef struct sg_iovec32 {
276         compat_uint_t iov_base;
277         compat_uint_t iov_len;
278 } sg_iovec32_t;
279 
280 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
281 {
282         sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
283         sg_iovec32_t __user *iov32 = dxferp;
284         int i;
285 
286         for (i = 0; i < iovec_count; i++) {
287                 u32 base, len;
288 
289                 if (get_user(base, &iov32[i].iov_base) ||
290                     get_user(len, &iov32[i].iov_len) ||
291                     put_user(compat_ptr(base), &iov[i].iov_base) ||
292                     put_user(len, &iov[i].iov_len))
293                         return -EFAULT;
294         }
295 
296         if (put_user(iov, &sgio->dxferp))
297                 return -EFAULT;
298         return 0;
299 }
300 
301 static int sg_ioctl_trans(struct file *file, unsigned int cmd,
302                         sg_io_hdr32_t __user *sgio32)
303 {
304         sg_io_hdr_t __user *sgio;
305         u16 iovec_count;
306         u32 data;
307         void __user *dxferp;
308         int err;
309         int interface_id;
310 
311         if (get_user(interface_id, &sgio32->interface_id))
312                 return -EFAULT;
313         if (interface_id != 'S')
314                 return do_ioctl(file, cmd, (unsigned long)sgio32);
315 
316         if (get_user(iovec_count, &sgio32->iovec_count))
317                 return -EFAULT;
318 
319         {
320                 void __user *top = compat_alloc_user_space(0);
321                 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
322                                        (iovec_count * sizeof(sg_iovec_t)));
323                 if (new > top)
324                         return -EINVAL;
325 
326                 sgio = new;
327         }
328 
329         /* Ok, now construct.  */
330         if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
331                          (2 * sizeof(int)) +
332                          (2 * sizeof(unsigned char)) +
333                          (1 * sizeof(unsigned short)) +
334                          (1 * sizeof(unsigned int))))
335                 return -EFAULT;
336 
337         if (get_user(data, &sgio32->dxferp))
338                 return -EFAULT;
339         dxferp = compat_ptr(data);
340         if (iovec_count) {
341                 if (sg_build_iovec(sgio, dxferp, iovec_count))
342                         return -EFAULT;
343         } else {
344                 if (put_user(dxferp, &sgio->dxferp))
345                         return -EFAULT;
346         }
347 
348         {
349                 unsigned char __user *cmdp;
350                 unsigned char __user *sbp;
351 
352                 if (get_user(data, &sgio32->cmdp))
353                         return -EFAULT;
354                 cmdp = compat_ptr(data);
355 
356                 if (get_user(data, &sgio32->sbp))
357                         return -EFAULT;
358                 sbp = compat_ptr(data);
359 
360                 if (put_user(cmdp, &sgio->cmdp) ||
361                     put_user(sbp, &sgio->sbp))
362                         return -EFAULT;
363         }
364 
365         if (copy_in_user(&sgio->timeout, &sgio32->timeout,
366                          3 * sizeof(int)))
367                 return -EFAULT;
368 
369         if (get_user(data, &sgio32->usr_ptr))
370                 return -EFAULT;
371         if (put_user(compat_ptr(data), &sgio->usr_ptr))
372                 return -EFAULT;
373 
374         err = do_ioctl(file, cmd, (unsigned long) sgio);
375 
376         if (err >= 0) {
377                 void __user *datap;
378 
379                 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
380                                  sizeof(int)) ||
381                     get_user(datap, &sgio->usr_ptr) ||
382                     put_user((u32)(unsigned long)datap,
383                              &sgio32->usr_ptr) ||
384                     copy_in_user(&sgio32->status, &sgio->status,
385                                  (4 * sizeof(unsigned char)) +
386                                  (2 * sizeof(unsigned short)) +
387                                  (3 * sizeof(int))))
388                         err = -EFAULT;
389         }
390 
391         return err;
392 }
393 
394 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
395         char req_state;
396         char orphan;
397         char sg_io_owned;
398         char problem;
399         int pack_id;
400         compat_uptr_t usr_ptr;
401         unsigned int duration;
402         int unused;
403 };
404 
405 static int sg_grt_trans(struct file *file,
406                 unsigned int cmd, struct compat_sg_req_info __user *o)
407 {
408         int err, i;
409         sg_req_info_t __user *r;
410         r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
411         err = do_ioctl(file, cmd, (unsigned long)r);
412         if (err < 0)
413                 return err;
414         for (i = 0; i < SG_MAX_QUEUE; i++) {
415                 void __user *ptr;
416                 int d;
417 
418                 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
419                     get_user(ptr, &r[i].usr_ptr) ||
420                     get_user(d, &r[i].duration) ||
421                     put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
422                     put_user(d, &o[i].duration))
423                         return -EFAULT;
424         }
425         return err;
426 }
427 #endif /* CONFIG_BLOCK */
428 
429 struct sock_fprog32 {
430         unsigned short  len;
431         compat_caddr_t  filter;
432 };
433 
434 #define PPPIOCSPASS32   _IOW('t', 71, struct sock_fprog32)
435 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
436 
437 static int ppp_sock_fprog_ioctl_trans(struct file *file,
438                 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
439 {
440         struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
441         void __user *fptr64;
442         u32 fptr32;
443         u16 flen;
444 
445         if (get_user(flen, &u_fprog32->len) ||
446             get_user(fptr32, &u_fprog32->filter))
447                 return -EFAULT;
448 
449         fptr64 = compat_ptr(fptr32);
450 
451         if (put_user(flen, &u_fprog64->len) ||
452             put_user(fptr64, &u_fprog64->filter))
453                 return -EFAULT;
454 
455         if (cmd == PPPIOCSPASS32)
456                 cmd = PPPIOCSPASS;
457         else
458                 cmd = PPPIOCSACTIVE;
459 
460         return do_ioctl(file, cmd, (unsigned long) u_fprog64);
461 }
462 
463 struct ppp_option_data32 {
464         compat_caddr_t  ptr;
465         u32                     length;
466         compat_int_t            transmit;
467 };
468 #define PPPIOCSCOMPRESS32       _IOW('t', 77, struct ppp_option_data32)
469 
470 struct ppp_idle32 {
471         compat_time_t xmit_idle;
472         compat_time_t recv_idle;
473 };
474 #define PPPIOCGIDLE32           _IOR('t', 63, struct ppp_idle32)
475 
476 static int ppp_gidle(struct file *file, unsigned int cmd,
477                 struct ppp_idle32 __user *idle32)
478 {
479         struct ppp_idle __user *idle;
480         __kernel_time_t xmit, recv;
481         int err;
482 
483         idle = compat_alloc_user_space(sizeof(*idle));
484 
485         err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
486 
487         if (!err) {
488                 if (get_user(xmit, &idle->xmit_idle) ||
489                     get_user(recv, &idle->recv_idle) ||
490                     put_user(xmit, &idle32->xmit_idle) ||
491                     put_user(recv, &idle32->recv_idle))
492                         err = -EFAULT;
493         }
494         return err;
495 }
496 
497 static int ppp_scompress(struct file *file, unsigned int cmd,
498         struct ppp_option_data32 __user *odata32)
499 {
500         struct ppp_option_data __user *odata;
501         __u32 data;
502         void __user *datap;
503 
504         odata = compat_alloc_user_space(sizeof(*odata));
505 
506         if (get_user(data, &odata32->ptr))
507                 return -EFAULT;
508 
509         datap = compat_ptr(data);
510         if (put_user(datap, &odata->ptr))
511                 return -EFAULT;
512 
513         if (copy_in_user(&odata->length, &odata32->length,
514                          sizeof(__u32) + sizeof(int)))
515                 return -EFAULT;
516 
517         return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
518 }
519 
520 #ifdef CONFIG_BLOCK
521 struct mtget32 {
522         compat_long_t   mt_type;
523         compat_long_t   mt_resid;
524         compat_long_t   mt_dsreg;
525         compat_long_t   mt_gstat;
526         compat_long_t   mt_erreg;
527         compat_daddr_t  mt_fileno;
528         compat_daddr_t  mt_blkno;
529 };
530 #define MTIOCGET32      _IOR('m', 2, struct mtget32)
531 
532 struct mtpos32 {
533         compat_long_t   mt_blkno;
534 };
535 #define MTIOCPOS32      _IOR('m', 3, struct mtpos32)
536 
537 static int mt_ioctl_trans(struct file *file,
538                 unsigned int cmd, void __user *argp)
539 {
540         /* NULL initialization to make gcc shut up */
541         struct mtget __user *get = NULL;
542         struct mtget32 __user *umget32;
543         struct mtpos __user *pos = NULL;
544         struct mtpos32 __user *upos32;
545         unsigned long kcmd;
546         void *karg;
547         int err = 0;
548 
549         switch(cmd) {
550         case MTIOCPOS32:
551                 kcmd = MTIOCPOS;
552                 pos = compat_alloc_user_space(sizeof(*pos));
553                 karg = pos;
554                 break;
555         default:        /* MTIOCGET32 */
556                 kcmd = MTIOCGET;
557                 get = compat_alloc_user_space(sizeof(*get));
558                 karg = get;
559                 break;
560         }
561         if (karg == NULL)
562                 return -EFAULT;
563         err = do_ioctl(file, kcmd, (unsigned long)karg);
564         if (err)
565                 return err;
566         switch (cmd) {
567         case MTIOCPOS32:
568                 upos32 = argp;
569                 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
570                 break;
571         case MTIOCGET32:
572                 umget32 = argp;
573                 err = convert_in_user(&get->mt_type, &umget32->mt_type);
574                 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
575                 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
576                 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
577                 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
578                 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
579                 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
580                 break;
581         }
582         return err ? -EFAULT: 0;
583 }
584 
585 #endif /* CONFIG_BLOCK */
586 
587 /* Bluetooth ioctls */
588 #define HCIUARTSETPROTO         _IOW('U', 200, int)
589 #define HCIUARTGETPROTO         _IOR('U', 201, int)
590 #define HCIUARTGETDEVICE        _IOR('U', 202, int)
591 #define HCIUARTSETFLAGS         _IOW('U', 203, int)
592 #define HCIUARTGETFLAGS         _IOR('U', 204, int)
593 
594 #define BNEPCONNADD     _IOW('B', 200, int)
595 #define BNEPCONNDEL     _IOW('B', 201, int)
596 #define BNEPGETCONNLIST _IOR('B', 210, int)
597 #define BNEPGETCONNINFO _IOR('B', 211, int)
598 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
599 
600 #define CMTPCONNADD     _IOW('C', 200, int)
601 #define CMTPCONNDEL     _IOW('C', 201, int)
602 #define CMTPGETCONNLIST _IOR('C', 210, int)
603 #define CMTPGETCONNINFO _IOR('C', 211, int)
604 
605 #define HIDPCONNADD     _IOW('H', 200, int)
606 #define HIDPCONNDEL     _IOW('H', 201, int)
607 #define HIDPGETCONNLIST _IOR('H', 210, int)
608 #define HIDPGETCONNINFO _IOR('H', 211, int)
609 
610 
611 struct serial_struct32 {
612         compat_int_t    type;
613         compat_int_t    line;
614         compat_uint_t   port;
615         compat_int_t    irq;
616         compat_int_t    flags;
617         compat_int_t    xmit_fifo_size;
618         compat_int_t    custom_divisor;
619         compat_int_t    baud_base;
620         unsigned short  close_delay;
621         char    io_type;
622         char    reserved_char[1];
623         compat_int_t    hub6;
624         unsigned short  closing_wait; /* time to wait before closing */
625         unsigned short  closing_wait2; /* no longer used... */
626         compat_uint_t   iomem_base;
627         unsigned short  iomem_reg_shift;
628         unsigned int    port_high;
629      /* compat_ulong_t  iomap_base FIXME */
630         compat_int_t    reserved[1];
631 };
632 
633 static int serial_struct_ioctl(struct file *file,
634                 unsigned cmd, struct serial_struct32 __user *ss32)
635 {
636         typedef struct serial_struct32 SS32;
637         int err;
638         struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
639         __u32 udata;
640         unsigned int base;
641         unsigned char *iomem_base;
642 
643         if (ss == NULL)
644                 return -EFAULT;
645         if (cmd == TIOCSSERIAL) {
646                 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
647                     get_user(udata, &ss32->iomem_base))
648                         return -EFAULT;
649                 iomem_base = compat_ptr(udata);
650                 if (put_user(iomem_base, &ss->iomem_base) ||
651                     convert_in_user(&ss32->iomem_reg_shift,
652                       &ss->iomem_reg_shift) ||
653                     convert_in_user(&ss32->port_high, &ss->port_high) ||
654                     put_user(0UL, &ss->iomap_base))
655                         return -EFAULT;
656         }
657         err = do_ioctl(file, cmd, (unsigned long)ss);
658         if (cmd == TIOCGSERIAL && err >= 0) {
659                 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
660                     get_user(iomem_base, &ss->iomem_base))
661                         return -EFAULT;
662                 base = (unsigned long)iomem_base  >> 32 ?
663                         0xffffffff : (unsigned)(unsigned long)iomem_base;
664                 if (put_user(base, &ss32->iomem_base) ||
665                     convert_in_user(&ss->iomem_reg_shift,
666                       &ss32->iomem_reg_shift) ||
667                     convert_in_user(&ss->port_high, &ss32->port_high))
668                         return -EFAULT;
669         }
670         return err;
671 }
672 
673 /*
674  * I2C layer ioctls
675  */
676 
677 struct i2c_msg32 {
678         u16 addr;
679         u16 flags;
680         u16 len;
681         compat_caddr_t buf;
682 };
683 
684 struct i2c_rdwr_ioctl_data32 {
685         compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
686         u32 nmsgs;
687 };
688 
689 struct i2c_smbus_ioctl_data32 {
690         u8 read_write;
691         u8 command;
692         u32 size;
693         compat_caddr_t data; /* union i2c_smbus_data *data */
694 };
695 
696 struct i2c_rdwr_aligned {
697         struct i2c_rdwr_ioctl_data cmd;
698         struct i2c_msg msgs[0];
699 };
700 
701 static int do_i2c_rdwr_ioctl(struct file *file,
702         unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
703 {
704         struct i2c_rdwr_aligned         __user *tdata;
705         struct i2c_msg                  __user *tmsgs;
706         struct i2c_msg32                __user *umsgs;
707         compat_caddr_t                  datap;
708         u32                             nmsgs;
709         int                             i;
710 
711         if (get_user(nmsgs, &udata->nmsgs))
712                 return -EFAULT;
713         if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS)
714                 return -EINVAL;
715 
716         if (get_user(datap, &udata->msgs))
717                 return -EFAULT;
718         umsgs = compat_ptr(datap);
719 
720         tdata = compat_alloc_user_space(sizeof(*tdata) +
721                                       nmsgs * sizeof(struct i2c_msg));
722         tmsgs = &tdata->msgs[0];
723 
724         if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
725             put_user(tmsgs, &tdata->cmd.msgs))
726                 return -EFAULT;
727 
728         for (i = 0; i < nmsgs; i++) {
729                 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
730                         return -EFAULT;
731                 if (get_user(datap, &umsgs[i].buf) ||
732                     put_user(compat_ptr(datap), &tmsgs[i].buf))
733                         return -EFAULT;
734         }
735         return do_ioctl(file, cmd, (unsigned long)tdata);
736 }
737 
738 static int do_i2c_smbus_ioctl(struct file *file,
739                 unsigned int cmd, struct i2c_smbus_ioctl_data32   __user *udata)
740 {
741         struct i2c_smbus_ioctl_data     __user *tdata;
742         compat_caddr_t                  datap;
743 
744         tdata = compat_alloc_user_space(sizeof(*tdata));
745         if (tdata == NULL)
746                 return -ENOMEM;
747         if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
748                 return -EFAULT;
749 
750         if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
751                 return -EFAULT;
752 
753         if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
754                 return -EFAULT;
755         if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
756                 return -EFAULT;
757         if (__get_user(datap, &udata->data) ||
758             __put_user(compat_ptr(datap), &tdata->data))
759                 return -EFAULT;
760 
761         return do_ioctl(file, cmd, (unsigned long)tdata);
762 }
763 
764 #define RTC_IRQP_READ32         _IOR('p', 0x0b, compat_ulong_t)
765 #define RTC_IRQP_SET32          _IOW('p', 0x0c, compat_ulong_t)
766 #define RTC_EPOCH_READ32        _IOR('p', 0x0d, compat_ulong_t)
767 #define RTC_EPOCH_SET32         _IOW('p', 0x0e, compat_ulong_t)
768 
769 static int rtc_ioctl(struct file *file,
770                 unsigned cmd, void __user *argp)
771 {
772         unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
773         int ret;
774 
775         if (valp == NULL)
776                 return -EFAULT;
777         switch (cmd) {
778         case RTC_IRQP_READ32:
779         case RTC_EPOCH_READ32:
780                 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
781                                         RTC_IRQP_READ : RTC_EPOCH_READ,
782                                         (unsigned long)valp);
783                 if (ret)
784                         return ret;
785                 return convert_in_user(valp, (unsigned int __user *)argp);
786         case RTC_IRQP_SET32:
787                 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
788         case RTC_EPOCH_SET32:
789                 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
790         }
791 
792         return -ENOIOCTLCMD;
793 }
794 
795 /* on ia32 l_start is on a 32-bit boundary */
796 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
797 struct space_resv_32 {
798         __s16           l_type;
799         __s16           l_whence;
800         __s64           l_start __attribute__((packed));
801                         /* len == 0 means until end of file */
802         __s64           l_len __attribute__((packed));
803         __s32           l_sysid;
804         __u32           l_pid;
805         __s32           l_pad[4];       /* reserve area */
806 };
807 
808 #define FS_IOC_RESVSP_32                _IOW ('X', 40, struct space_resv_32)
809 #define FS_IOC_RESVSP64_32      _IOW ('X', 42, struct space_resv_32)
810 
811 /* just account for different alignment */
812 static int compat_ioctl_preallocate(struct file *file,
813                         struct space_resv_32    __user *p32)
814 {
815         struct space_resv       __user *p = compat_alloc_user_space(sizeof(*p));
816 
817         if (copy_in_user(&p->l_type,    &p32->l_type,   sizeof(s16)) ||
818             copy_in_user(&p->l_whence,  &p32->l_whence, sizeof(s16)) ||
819             copy_in_user(&p->l_start,   &p32->l_start,  sizeof(s64)) ||
820             copy_in_user(&p->l_len,     &p32->l_len,    sizeof(s64)) ||
821             copy_in_user(&p->l_sysid,   &p32->l_sysid,  sizeof(s32)) ||
822             copy_in_user(&p->l_pid,     &p32->l_pid,    sizeof(u32)) ||
823             copy_in_user(&p->l_pad,     &p32->l_pad,    4*sizeof(u32)))
824                 return -EFAULT;
825 
826         return ioctl_preallocate(file, p);
827 }
828 #endif
829 
830 /*
831  * simple reversible transform to make our table more evenly
832  * distributed after sorting.
833  */
834 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
835 
836 #define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
837 /* ioctl should not be warned about even if it's not implemented.
838    Valid reasons to use this:
839    - It is implemented with ->compat_ioctl on some device, but programs
840    call it on others too.
841    - The ioctl is not implemented in the native kernel, but programs
842    call it commonly anyways.
843    Most other reasons are not valid. */
844 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
845 
846 static unsigned int ioctl_pointer[] = {
847 /* compatible ioctls first */
848 COMPATIBLE_IOCTL(0x4B50)   /* KDGHWCLK - not in the kernel, but don't complain */
849 COMPATIBLE_IOCTL(0x4B51)   /* KDSHWCLK - not in the kernel, but don't complain */
850 
851 /* Big T */
852 COMPATIBLE_IOCTL(TCGETA)
853 COMPATIBLE_IOCTL(TCSETA)
854 COMPATIBLE_IOCTL(TCSETAW)
855 COMPATIBLE_IOCTL(TCSETAF)
856 COMPATIBLE_IOCTL(TCSBRK)
857 COMPATIBLE_IOCTL(TCXONC)
858 COMPATIBLE_IOCTL(TCFLSH)
859 COMPATIBLE_IOCTL(TCGETS)
860 COMPATIBLE_IOCTL(TCSETS)
861 COMPATIBLE_IOCTL(TCSETSW)
862 COMPATIBLE_IOCTL(TCSETSF)
863 COMPATIBLE_IOCTL(TIOCLINUX)
864 COMPATIBLE_IOCTL(TIOCSBRK)
865 COMPATIBLE_IOCTL(TIOCGDEV)
866 COMPATIBLE_IOCTL(TIOCCBRK)
867 COMPATIBLE_IOCTL(TIOCGSID)
868 COMPATIBLE_IOCTL(TIOCGICOUNT)
869 COMPATIBLE_IOCTL(TIOCGPKT)
870 COMPATIBLE_IOCTL(TIOCGPTLCK)
871 COMPATIBLE_IOCTL(TIOCGEXCL)
872 /* Little t */
873 COMPATIBLE_IOCTL(TIOCGETD)
874 COMPATIBLE_IOCTL(TIOCSETD)
875 COMPATIBLE_IOCTL(TIOCEXCL)
876 COMPATIBLE_IOCTL(TIOCNXCL)
877 COMPATIBLE_IOCTL(TIOCCONS)
878 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
879 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
880 COMPATIBLE_IOCTL(TIOCSWINSZ)
881 COMPATIBLE_IOCTL(TIOCGWINSZ)
882 COMPATIBLE_IOCTL(TIOCMGET)
883 COMPATIBLE_IOCTL(TIOCMBIC)
884 COMPATIBLE_IOCTL(TIOCMBIS)
885 COMPATIBLE_IOCTL(TIOCMSET)
886 COMPATIBLE_IOCTL(TIOCPKT)
887 COMPATIBLE_IOCTL(TIOCNOTTY)
888 COMPATIBLE_IOCTL(TIOCSTI)
889 COMPATIBLE_IOCTL(TIOCOUTQ)
890 COMPATIBLE_IOCTL(TIOCSPGRP)
891 COMPATIBLE_IOCTL(TIOCGPGRP)
892 COMPATIBLE_IOCTL(TIOCGPTN)
893 COMPATIBLE_IOCTL(TIOCSPTLCK)
894 COMPATIBLE_IOCTL(TIOCSERGETLSR)
895 COMPATIBLE_IOCTL(TIOCSIG)
896 #ifdef TIOCSRS485
897 COMPATIBLE_IOCTL(TIOCSRS485)
898 #endif
899 #ifdef TIOCGRS485
900 COMPATIBLE_IOCTL(TIOCGRS485)
901 #endif
902 #ifdef TCGETS2
903 COMPATIBLE_IOCTL(TCGETS2)
904 COMPATIBLE_IOCTL(TCSETS2)
905 COMPATIBLE_IOCTL(TCSETSW2)
906 COMPATIBLE_IOCTL(TCSETSF2)
907 #endif
908 /* Little f */
909 COMPATIBLE_IOCTL(FIOCLEX)
910 COMPATIBLE_IOCTL(FIONCLEX)
911 COMPATIBLE_IOCTL(FIOASYNC)
912 COMPATIBLE_IOCTL(FIONBIO)
913 COMPATIBLE_IOCTL(FIONREAD)  /* This is also TIOCINQ */
914 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
915 /* 0x00 */
916 COMPATIBLE_IOCTL(FIBMAP)
917 COMPATIBLE_IOCTL(FIGETBSZ)
918 /* 'X' - originally XFS but some now in the VFS */
919 COMPATIBLE_IOCTL(FIFREEZE)
920 COMPATIBLE_IOCTL(FITHAW)
921 COMPATIBLE_IOCTL(FITRIM)
922 COMPATIBLE_IOCTL(KDGETKEYCODE)
923 COMPATIBLE_IOCTL(KDSETKEYCODE)
924 COMPATIBLE_IOCTL(KDGKBTYPE)
925 COMPATIBLE_IOCTL(KDGETMODE)
926 COMPATIBLE_IOCTL(KDGKBMODE)
927 COMPATIBLE_IOCTL(KDGKBMETA)
928 COMPATIBLE_IOCTL(KDGKBENT)
929 COMPATIBLE_IOCTL(KDSKBENT)
930 COMPATIBLE_IOCTL(KDGKBSENT)
931 COMPATIBLE_IOCTL(KDSKBSENT)
932 COMPATIBLE_IOCTL(KDGKBDIACR)
933 COMPATIBLE_IOCTL(KDSKBDIACR)
934 COMPATIBLE_IOCTL(KDGKBDIACRUC)
935 COMPATIBLE_IOCTL(KDSKBDIACRUC)
936 COMPATIBLE_IOCTL(KDKBDREP)
937 COMPATIBLE_IOCTL(KDGKBLED)
938 COMPATIBLE_IOCTL(KDGETLED)
939 #ifdef CONFIG_BLOCK
940 /* Big S */
941 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
942 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
943 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
944 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
945 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
946 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
947 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
948 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
949 #endif
950 /* Big V (don't complain on serial console) */
951 IGNORE_IOCTL(VT_OPENQRY)
952 IGNORE_IOCTL(VT_GETMODE)
953 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
954 COMPATIBLE_IOCTL(RTC_AIE_ON)
955 COMPATIBLE_IOCTL(RTC_AIE_OFF)
956 COMPATIBLE_IOCTL(RTC_UIE_ON)
957 COMPATIBLE_IOCTL(RTC_UIE_OFF)
958 COMPATIBLE_IOCTL(RTC_PIE_ON)
959 COMPATIBLE_IOCTL(RTC_PIE_OFF)
960 COMPATIBLE_IOCTL(RTC_WIE_ON)
961 COMPATIBLE_IOCTL(RTC_WIE_OFF)
962 COMPATIBLE_IOCTL(RTC_ALM_SET)
963 COMPATIBLE_IOCTL(RTC_ALM_READ)
964 COMPATIBLE_IOCTL(RTC_RD_TIME)
965 COMPATIBLE_IOCTL(RTC_SET_TIME)
966 COMPATIBLE_IOCTL(RTC_WKALM_SET)
967 COMPATIBLE_IOCTL(RTC_WKALM_RD)
968 /*
969  * These two are only for the sbus rtc driver, but
970  * hwclock tries them on every rtc device first when
971  * running on sparc.  On other architectures the entries
972  * are useless but harmless.
973  */
974 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
975 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
976 /* Little m */
977 COMPATIBLE_IOCTL(MTIOCTOP)
978 /* Socket level stuff */
979 COMPATIBLE_IOCTL(FIOQSIZE)
980 #ifdef CONFIG_BLOCK
981 /* md calls this on random blockdevs */
982 IGNORE_IOCTL(RAID_VERSION)
983 /* qemu/qemu-img might call these two on plain files for probing */
984 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
985 IGNORE_IOCTL(FDGETPRM32)
986 /* SG stuff */
987 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
988 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
989 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
990 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
991 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
992 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
993 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
994 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
995 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
996 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
997 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
998 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
999 COMPATIBLE_IOCTL(SG_SET_DEBUG)
1000 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
1001 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
1002 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
1003 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
1004 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
1005 COMPATIBLE_IOCTL(SG_SCSI_RESET)
1006 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
1007 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
1008 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
1009 #endif
1010 /* PPP stuff */
1011 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
1012 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
1013 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
1014 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
1015 COMPATIBLE_IOCTL(PPPIOCGUNIT)
1016 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
1017 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
1018 COMPATIBLE_IOCTL(PPPIOCGMRU)
1019 COMPATIBLE_IOCTL(PPPIOCSMRU)
1020 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
1021 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1022 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1023 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1024 /* PPPIOCSCOMPRESS is translated */
1025 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1026 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1027 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1028 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1029 /* PPPIOCSPASS is translated */
1030 /* PPPIOCSACTIVE is translated */
1031 /* PPPIOCGIDLE is translated */
1032 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1033 COMPATIBLE_IOCTL(PPPIOCATTACH)
1034 COMPATIBLE_IOCTL(PPPIOCDETACH)
1035 COMPATIBLE_IOCTL(PPPIOCSMRRU)
1036 COMPATIBLE_IOCTL(PPPIOCCONNECT)
1037 COMPATIBLE_IOCTL(PPPIOCDISCONN)
1038 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1039 COMPATIBLE_IOCTL(PPPIOCGCHAN)
1040 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1041 /* PPPOX */
1042 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1043 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
1044 /* Big A */
1045 /* sparc only */
1046 /* Big Q for sound/OSS */
1047 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1048 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1049 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1050 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1051 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1052 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1053 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1054 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1055 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1056 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1057 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1058 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1059 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1060 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1061 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1062 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1063 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1064 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1065 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1066 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1067 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1068 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1069 /* Big T for sound/OSS */
1070 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1071 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1072 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1073 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1074 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1075 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1076 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1077 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1078 /* Little m for sound/OSS */
1079 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1080 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1081 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1082 /* Big P for sound/OSS */
1083 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1084 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1085 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1086 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1087 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1088 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1089 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1090 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1091 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1092 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1093 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1094 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1095 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1096 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1097 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1098 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1099 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1100 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1101 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1102 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1103 /* SNDCTL_DSP_MAPINBUF,  XXX needs translation */
1104 /* SNDCTL_DSP_MAPOUTBUF,  XXX needs translation */
1105 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1106 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1107 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1108 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1109 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1110 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1111 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1112 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1113 /* Big C for sound/OSS */
1114 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1115 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1116 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1117 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1118 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1119 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1120 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1121 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1122 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1123 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1124 /* Big M for sound/OSS */
1125 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1126 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1127 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1128 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1129 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1130 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1131 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1132 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1133 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1134 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1135 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1136 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1137 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1138 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1139 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1140 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1141 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1142 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1143 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1144 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1145 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1146 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1147 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1148 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1149 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1150 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1151 /* SOUND_MIXER_READ_ENHANCE,  same value as READ_MUTE */
1152 /* SOUND_MIXER_READ_LOUD,  same value as READ_MUTE */
1153 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1157 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1158 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1159 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1160 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1161 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1162 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1163 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1164 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1165 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1166 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1167 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1168 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1169 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1170 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1171 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1172 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1173 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1174 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1175 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1176 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1177 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1178 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1179 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1180 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1181 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1182 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1183 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1184 /* SOUND_MIXER_WRITE_ENHANCE,  same value as WRITE_MUTE */
1185 /* SOUND_MIXER_WRITE_LOUD,  same value as WRITE_MUTE */
1186 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1188 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1189 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1190 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1191 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1192 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1193 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1194 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1195 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1196 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1197 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1198 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1199 COMPATIBLE_IOCTL(OSS_GETVERSION)
1200 /* Raw devices */
1201 COMPATIBLE_IOCTL(RAW_SETBIND)
1202 COMPATIBLE_IOCTL(RAW_GETBIND)
1203 /* Watchdog */
1204 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1205 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1206 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1207 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1208 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1209 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1210 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1211 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1212 COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
1213 COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
1214 /* Big R */
1215 COMPATIBLE_IOCTL(RNDGETENTCNT)
1216 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1217 COMPATIBLE_IOCTL(RNDGETPOOL)
1218 COMPATIBLE_IOCTL(RNDADDENTROPY)
1219 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1220 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1221 /* Bluetooth */
1222 COMPATIBLE_IOCTL(HCIDEVUP)
1223 COMPATIBLE_IOCTL(HCIDEVDOWN)
1224 COMPATIBLE_IOCTL(HCIDEVRESET)
1225 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1226 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1227 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1228 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1229 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1230 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1231 COMPATIBLE_IOCTL(HCISETRAW)
1232 COMPATIBLE_IOCTL(HCISETSCAN)
1233 COMPATIBLE_IOCTL(HCISETAUTH)
1234 COMPATIBLE_IOCTL(HCISETENCRYPT)
1235 COMPATIBLE_IOCTL(HCISETPTYPE)
1236 COMPATIBLE_IOCTL(HCISETLINKPOL)
1237 COMPATIBLE_IOCTL(HCISETLINKMODE)
1238 COMPATIBLE_IOCTL(HCISETACLMTU)
1239 COMPATIBLE_IOCTL(HCISETSCOMTU)
1240 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1241 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1242 COMPATIBLE_IOCTL(HCIINQUIRY)
1243 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1244 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1245 COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
1246 COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
1247 COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
1248 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1249 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1250 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1251 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1252 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1253 COMPATIBLE_IOCTL(BNEPCONNADD)
1254 COMPATIBLE_IOCTL(BNEPCONNDEL)
1255 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1256 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1257 COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
1258 COMPATIBLE_IOCTL(CMTPCONNADD)
1259 COMPATIBLE_IOCTL(CMTPCONNDEL)
1260 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1261 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1262 COMPATIBLE_IOCTL(HIDPCONNADD)
1263 COMPATIBLE_IOCTL(HIDPCONNDEL)
1264 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1265 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1266 /* CAPI */
1267 COMPATIBLE_IOCTL(CAPI_REGISTER)
1268 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1269 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1270 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1271 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1272 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1273 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1274 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1275 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1276 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1277 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1278 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1279 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1280 /* Siemens Gigaset */
1281 COMPATIBLE_IOCTL(GIGASET_REDIR)
1282 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1283 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1284 COMPATIBLE_IOCTL(GIGASET_VERSION)
1285 /* Misc. */
1286 COMPATIBLE_IOCTL(0x41545900)            /* ATYIO_CLKR */
1287 COMPATIBLE_IOCTL(0x41545901)            /* ATYIO_CLKW */
1288 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1289 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1290 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1291 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1292 /* i2c */
1293 COMPATIBLE_IOCTL(I2C_SLAVE)
1294 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1295 COMPATIBLE_IOCTL(I2C_TENBIT)
1296 COMPATIBLE_IOCTL(I2C_PEC)
1297 COMPATIBLE_IOCTL(I2C_RETRIES)
1298 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1299 /* hiddev */
1300 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1301 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1302 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1303 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1304 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1305 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1306 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1307 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1308 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1309 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1310 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1311 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1312 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1313 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1314 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1315 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1316 /* dvb */
1317 COMPATIBLE_IOCTL(AUDIO_STOP)
1318 COMPATIBLE_IOCTL(AUDIO_PLAY)
1319 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1320 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1321 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1322 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1323 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1324 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1325 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1326 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1327 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1328 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1329 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1330 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1331 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1332 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1333 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1334 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1335 COMPATIBLE_IOCTL(DMX_START)
1336 COMPATIBLE_IOCTL(DMX_STOP)
1337 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1338 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1339 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1340 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1341 COMPATIBLE_IOCTL(DMX_GET_CAPS)
1342 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1343 COMPATIBLE_IOCTL(DMX_GET_STC)
1344 COMPATIBLE_IOCTL(FE_GET_INFO)
1345 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1346 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1347 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1348 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1349 COMPATIBLE_IOCTL(FE_SET_TONE)
1350 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1351 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1352 COMPATIBLE_IOCTL(FE_READ_STATUS)
1353 COMPATIBLE_IOCTL(FE_READ_BER)
1354 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1355 COMPATIBLE_IOCTL(FE_READ_SNR)
1356 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1357 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1358 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1359 COMPATIBLE_IOCTL(FE_GET_EVENT)
1360 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1361 COMPATIBLE_IOCTL(VIDEO_STOP)
1362 COMPATIBLE_IOCTL(VIDEO_PLAY)
1363 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1364 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1365 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1366 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1367 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1368 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1369 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1370 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1371 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1372 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1373 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1374 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1375 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1376 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1377 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1378 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1379 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1380 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1381 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1382 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1383 /* cec */
1384 COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
1385 COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
1386 COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
1387 COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
1388 COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
1389 COMPATIBLE_IOCTL(CEC_G_MODE)
1390 COMPATIBLE_IOCTL(CEC_S_MODE)
1391 COMPATIBLE_IOCTL(CEC_TRANSMIT)
1392 COMPATIBLE_IOCTL(CEC_RECEIVE)
1393 COMPATIBLE_IOCTL(CEC_DQEVENT)
1394 
1395 /* joystick */
1396 COMPATIBLE_IOCTL(JSIOCGVERSION)
1397 COMPATIBLE_IOCTL(JSIOCGAXES)
1398 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1399 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1400 
1401 #ifdef TIOCGLTC
1402 COMPATIBLE_IOCTL(TIOCGLTC)
1403 COMPATIBLE_IOCTL(TIOCSLTC)
1404 #endif
1405 #ifdef TIOCSTART
1406 /*
1407  * For these two we have definitions in ioctls.h and/or termios.h on
1408  * some architectures but no actual implemention.  Some applications
1409  * like bash call them if they are defined in the headers, so we provide
1410  * entries here to avoid syslog message spew.
1411  */
1412 COMPATIBLE_IOCTL(TIOCSTART)
1413 COMPATIBLE_IOCTL(TIOCSTOP)
1414 #endif
1415 
1416 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1417    but we don't want warnings on other file systems. So declare
1418    them as compatible here. */
1419 #define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
1420 #define VFAT_IOCTL_READDIR_SHORT32      _IOR('r', 2, struct compat_dirent[2])
1421 
1422 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1423 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1424 
1425 #ifdef CONFIG_SPARC
1426 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1427 IGNORE_IOCTL(FBIOGTYPE)
1428 IGNORE_IOCTL(FBIOSATTR)
1429 IGNORE_IOCTL(FBIOGATTR)
1430 IGNORE_IOCTL(FBIOSVIDEO)
1431 IGNORE_IOCTL(FBIOGVIDEO)
1432 IGNORE_IOCTL(FBIOSCURPOS)
1433 IGNORE_IOCTL(FBIOGCURPOS)
1434 IGNORE_IOCTL(FBIOGCURMAX)
1435 IGNORE_IOCTL(FBIOPUTCMAP32)
1436 IGNORE_IOCTL(FBIOGETCMAP32)
1437 IGNORE_IOCTL(FBIOSCURSOR32)
1438 IGNORE_IOCTL(FBIOGCURSOR32)
1439 #endif
1440 };
1441 
1442 /*
1443  * Convert common ioctl arguments based on their command number
1444  *
1445  * Please do not add any code in here. Instead, implement
1446  * a compat_ioctl operation in the place that handleѕ the
1447  * ioctl for the native case.
1448  */
1449 static long do_ioctl_trans(unsigned int cmd,
1450                  unsigned long arg, struct file *file)
1451 {
1452         void __user *argp = compat_ptr(arg);
1453 
1454         switch (cmd) {
1455         case PPPIOCGIDLE32:
1456                 return ppp_gidle(file, cmd, argp);
1457         case PPPIOCSCOMPRESS32:
1458                 return ppp_scompress(file, cmd, argp);
1459         case PPPIOCSPASS32:
1460         case PPPIOCSACTIVE32:
1461                 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
1462 #ifdef CONFIG_BLOCK
1463         case SG_IO:
1464                 return sg_ioctl_trans(file, cmd, argp);
1465         case SG_GET_REQUEST_TABLE:
1466                 return sg_grt_trans(file, cmd, argp);
1467         case MTIOCGET32:
1468         case MTIOCPOS32:
1469                 return mt_ioctl_trans(file, cmd, argp);
1470 #endif
1471         /* Serial */
1472         case TIOCGSERIAL:
1473         case TIOCSSERIAL:
1474                 return serial_struct_ioctl(file, cmd, argp);
1475         /* i2c */
1476         case I2C_FUNCS:
1477                 return w_long(file, cmd, argp);
1478         case I2C_RDWR:
1479                 return do_i2c_rdwr_ioctl(file, cmd, argp);
1480         case I2C_SMBUS:
1481                 return do_i2c_smbus_ioctl(file, cmd, argp);
1482         /* Not implemented in the native kernel */
1483         case RTC_IRQP_READ32:
1484         case RTC_IRQP_SET32:
1485         case RTC_EPOCH_READ32:
1486         case RTC_EPOCH_SET32:
1487                 return rtc_ioctl(file, cmd, argp);
1488 
1489         /* dvb */
1490         case VIDEO_GET_EVENT:
1491                 return do_video_get_event(file, cmd, argp);
1492         case VIDEO_STILLPICTURE:
1493                 return do_video_stillpicture(file, cmd, argp);
1494         case VIDEO_SET_SPU_PALETTE:
1495                 return do_video_set_spu_palette(file, cmd, argp);
1496         }
1497 
1498         /*
1499          * These take an integer instead of a pointer as 'arg',
1500          * so we must not do a compat_ptr() translation.
1501          */
1502         switch (cmd) {
1503         /* Big T */
1504         case TCSBRKP:
1505         case TIOCMIWAIT:
1506         case TIOCSCTTY:
1507         /* RAID */
1508         case HOT_REMOVE_DISK:
1509         case HOT_ADD_DISK:
1510         case SET_DISK_FAULTY:
1511         case SET_BITMAP_FILE:
1512         /* Big K */
1513         case KDSIGACCEPT:
1514         case KIOCSOUND:
1515         case KDMKTONE:
1516         case KDSETMODE:
1517         case KDSKBMODE:
1518         case KDSKBMETA:
1519         case KDSKBLED:
1520         case KDSETLED:
1521                 return vfs_ioctl(file, cmd, arg);
1522         }
1523 
1524         return -ENOIOCTLCMD;
1525 }
1526 
1527 static int compat_ioctl_check_table(unsigned int xcmd)
1528 {
1529         int i;
1530         const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1531 
1532         BUILD_BUG_ON(max >= (1 << 16));
1533 
1534         /* guess initial offset into table, assuming a
1535            normalized distribution */
1536         i = ((xcmd >> 16) * max) >> 16;
1537 
1538         /* do linear search up first, until greater or equal */
1539         while (ioctl_pointer[i] < xcmd && i < max)
1540                 i++;
1541 
1542         /* then do linear search down */
1543         while (ioctl_pointer[i] > xcmd && i > 0)
1544                 i--;
1545 
1546         return ioctl_pointer[i] == xcmd;
1547 }
1548 
1549 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1550                        compat_ulong_t, arg32)
1551 {
1552         unsigned long arg = arg32;
1553         struct fd f = fdget(fd);
1554         int error = -EBADF;
1555         if (!f.file)
1556                 goto out;
1557 
1558         /* RED-PEN how should LSM module know it's handling 32bit? */
1559         error = security_file_ioctl(f.file, cmd, arg);
1560         if (error)
1561                 goto out_fput;
1562 
1563         /*
1564          * To allow the compat_ioctl handlers to be self contained
1565          * we need to check the common ioctls here first.
1566          * Just handle them with the standard handlers below.
1567          */
1568         switch (cmd) {
1569         case FIOCLEX:
1570         case FIONCLEX:
1571         case FIONBIO:
1572         case FIOASYNC:
1573         case FIOQSIZE:
1574                 break;
1575 
1576 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1577         case FS_IOC_RESVSP_32:
1578         case FS_IOC_RESVSP64_32:
1579                 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1580                 goto out_fput;
1581 #else
1582         case FS_IOC_RESVSP:
1583         case FS_IOC_RESVSP64:
1584                 error = ioctl_preallocate(f.file, compat_ptr(arg));
1585                 goto out_fput;
1586 #endif
1587 
1588         case FICLONE:
1589         case FICLONERANGE:
1590         case FIDEDUPERANGE:
1591                 goto do_ioctl;
1592 
1593         case FIBMAP:
1594         case FIGETBSZ:
1595         case FIONREAD:
1596                 if (S_ISREG(file_inode(f.file)->i_mode))
1597                         break;
1598                 /*FALL THROUGH*/
1599 
1600         default:
1601                 if (f.file->f_op->compat_ioctl) {
1602                         error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1603                         if (error != -ENOIOCTLCMD)
1604                                 goto out_fput;
1605                 }
1606 
1607                 if (!f.file->f_op->unlocked_ioctl)
1608                         goto do_ioctl;
1609                 break;
1610         }
1611 
1612         if (compat_ioctl_check_table(XFORM(cmd)))
1613                 goto found_handler;
1614 
1615         error = do_ioctl_trans(cmd, arg, f.file);
1616         if (error == -ENOIOCTLCMD)
1617                 error = -ENOTTY;
1618 
1619         goto out_fput;
1620 
1621  found_handler:
1622         arg = (unsigned long)compat_ptr(arg);
1623  do_ioctl:
1624         error = do_vfs_ioctl(f.file, fd, cmd, arg);
1625  out_fput:
1626         fdput(f);
1627  out:
1628         return error;
1629 }
1630 
1631 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1632 {
1633         unsigned int a, b;
1634         a = *(unsigned int *)p;
1635         b = *(unsigned int *)q;
1636         if (a > b)
1637                 return 1;
1638         if (a < b)
1639                 return -1;
1640         return 0;
1641 }
1642 
1643 static int __init init_sys32_ioctl(void)
1644 {
1645         sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1646                 init_sys32_ioctl_cmp, NULL);
1647         return 0;
1648 }
1649 __initcall(init_sys32_ioctl);
1650 

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