tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
119static 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
134struct 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
143static 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
168struct compat_video_still_picture {
169 compat_uptr_t iFrame;
170 int32_t size;
171};
172
173static 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
199struct compat_video_spu_palette {
200 int length;
201 compat_uptr_t palette;
202};
203
204static 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
226typedef 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
252typedef struct sg_iovec32 {
253 compat_uint_t iov_base;
254 compat_uint_t iov_len;
255} sg_iovec32_t;
256
257static 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
278static 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
371struct 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
382static 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
406struct 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
414static 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
440struct 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
447struct 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
453static 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
474static 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
498struct 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
509struct mtpos32 {
510 compat_long_t mt_blkno;
511};
512#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
513
514static 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
584struct 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
606static 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
652struct i2c_msg32 {
653 u16 addr;
654 u16 flags;
655 u16 len;
656 compat_caddr_t buf;
657};
658
659struct i2c_rdwr_ioctl_data32 {
660 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
661 u32 nmsgs;
662};
663
664struct 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
671struct i2c_rdwr_aligned {
672 struct i2c_rdwr_ioctl_data cmd;
673 struct i2c_msg msgs[0];
674};
675
676static 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
712static 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
743static 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)
773struct 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 */
788static 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
822static unsigned int ioctl_pointer[] = {
823/* compatible ioctls first */
824COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
825COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
826
827/* Big T */
828COMPATIBLE_IOCTL(TCGETA)
829COMPATIBLE_IOCTL(TCSETA)
830COMPATIBLE_IOCTL(TCSETAW)
831COMPATIBLE_IOCTL(TCSETAF)
832COMPATIBLE_IOCTL(TCSBRK)
833COMPATIBLE_IOCTL(TCXONC)
834COMPATIBLE_IOCTL(TCFLSH)
835COMPATIBLE_IOCTL(TCGETS)
836COMPATIBLE_IOCTL(TCSETS)
837COMPATIBLE_IOCTL(TCSETSW)
838COMPATIBLE_IOCTL(TCSETSF)
839COMPATIBLE_IOCTL(TIOCLINUX)
840COMPATIBLE_IOCTL(TIOCSBRK)
841COMPATIBLE_IOCTL(TIOCGDEV)
842COMPATIBLE_IOCTL(TIOCCBRK)
843COMPATIBLE_IOCTL(TIOCGSID)
844COMPATIBLE_IOCTL(TIOCGICOUNT)
845/* Little t */
846COMPATIBLE_IOCTL(TIOCGETD)
847COMPATIBLE_IOCTL(TIOCSETD)
848COMPATIBLE_IOCTL(TIOCEXCL)
849COMPATIBLE_IOCTL(TIOCNXCL)
850COMPATIBLE_IOCTL(TIOCCONS)
851COMPATIBLE_IOCTL(TIOCGSOFTCAR)
852COMPATIBLE_IOCTL(TIOCSSOFTCAR)
853COMPATIBLE_IOCTL(TIOCSWINSZ)
854COMPATIBLE_IOCTL(TIOCGWINSZ)
855COMPATIBLE_IOCTL(TIOCMGET)
856COMPATIBLE_IOCTL(TIOCMBIC)
857COMPATIBLE_IOCTL(TIOCMBIS)
858COMPATIBLE_IOCTL(TIOCMSET)
859COMPATIBLE_IOCTL(TIOCPKT)
860COMPATIBLE_IOCTL(TIOCNOTTY)
861COMPATIBLE_IOCTL(TIOCSTI)
862COMPATIBLE_IOCTL(TIOCOUTQ)
863COMPATIBLE_IOCTL(TIOCSPGRP)
864COMPATIBLE_IOCTL(TIOCGPGRP)
865COMPATIBLE_IOCTL(TIOCGPTN)
866COMPATIBLE_IOCTL(TIOCSPTLCK)
867COMPATIBLE_IOCTL(TIOCSERGETLSR)
868COMPATIBLE_IOCTL(TIOCSIG)
869#ifdef TCGETS2
870COMPATIBLE_IOCTL(TCGETS2)
871COMPATIBLE_IOCTL(TCSETS2)
872COMPATIBLE_IOCTL(TCSETSW2)
873COMPATIBLE_IOCTL(TCSETSF2)
874#endif
875/* Little f */
876COMPATIBLE_IOCTL(FIOCLEX)
877COMPATIBLE_IOCTL(FIONCLEX)
878COMPATIBLE_IOCTL(FIOASYNC)
879COMPATIBLE_IOCTL(FIONBIO)
880COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
881COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
882/* 0x00 */
883COMPATIBLE_IOCTL(FIBMAP)
884COMPATIBLE_IOCTL(FIGETBSZ)
885/* 'X' - originally XFS but some now in the VFS */
886COMPATIBLE_IOCTL(FIFREEZE)
887COMPATIBLE_IOCTL(FITHAW)
888COMPATIBLE_IOCTL(KDGETKEYCODE)
889COMPATIBLE_IOCTL(KDSETKEYCODE)
890COMPATIBLE_IOCTL(KDGKBTYPE)
891COMPATIBLE_IOCTL(KDGETMODE)
892COMPATIBLE_IOCTL(KDGKBMODE)
893COMPATIBLE_IOCTL(KDGKBMETA)
894COMPATIBLE_IOCTL(KDGKBENT)
895COMPATIBLE_IOCTL(KDSKBENT)
896COMPATIBLE_IOCTL(KDGKBSENT)
897COMPATIBLE_IOCTL(KDSKBSENT)
898COMPATIBLE_IOCTL(KDGKBDIACR)
899COMPATIBLE_IOCTL(KDSKBDIACR)
900COMPATIBLE_IOCTL(KDKBDREP)
901COMPATIBLE_IOCTL(KDGKBLED)
902COMPATIBLE_IOCTL(KDGETLED)
903#ifdef CONFIG_BLOCK
904/* Big S */
905COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
906COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
907COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
908COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
909COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
910COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
911COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
912COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
913#endif
914/* Big V (don't complain on serial console) */
915IGNORE_IOCTL(VT_OPENQRY)
916IGNORE_IOCTL(VT_GETMODE)
917/* Little p (/dev/rtc, /dev/envctrl, etc.) */
918COMPATIBLE_IOCTL(RTC_AIE_ON)
919COMPATIBLE_IOCTL(RTC_AIE_OFF)
920COMPATIBLE_IOCTL(RTC_UIE_ON)
921COMPATIBLE_IOCTL(RTC_UIE_OFF)
922COMPATIBLE_IOCTL(RTC_PIE_ON)
923COMPATIBLE_IOCTL(RTC_PIE_OFF)
924COMPATIBLE_IOCTL(RTC_WIE_ON)
925COMPATIBLE_IOCTL(RTC_WIE_OFF)
926COMPATIBLE_IOCTL(RTC_ALM_SET)
927COMPATIBLE_IOCTL(RTC_ALM_READ)
928COMPATIBLE_IOCTL(RTC_RD_TIME)
929COMPATIBLE_IOCTL(RTC_SET_TIME)
930COMPATIBLE_IOCTL(RTC_WKALM_SET)
931COMPATIBLE_IOCTL(RTC_WKALM_RD)
932/*
933 * These two are only for the sbus rtc driver, but
934 * hwclock tries them on every rtc device first when
935 * running on sparc. On other architectures the entries
936 * are useless but harmless.
937 */
938COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
939COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
940/* Little m */
941COMPATIBLE_IOCTL(MTIOCTOP)
942/* Socket level stuff */
943COMPATIBLE_IOCTL(FIOQSIZE)
944#ifdef CONFIG_BLOCK
945/* loop */
946IGNORE_IOCTL(LOOP_CLR_FD)
947/* md calls this on random blockdevs */
948IGNORE_IOCTL(RAID_VERSION)
949/* qemu/qemu-img might call these two on plain files for probing */
950IGNORE_IOCTL(CDROM_DRIVE_STATUS)
951IGNORE_IOCTL(FDGETPRM32)
952/* SG stuff */
953COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
954COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
955COMPATIBLE_IOCTL(SG_EMULATED_HOST)
956COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
957COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
958COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
959COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
960COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
961COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
962COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
963COMPATIBLE_IOCTL(SG_GET_PACK_ID)
964COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
965COMPATIBLE_IOCTL(SG_SET_DEBUG)
966COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
967COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
968COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
969COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
970COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
971COMPATIBLE_IOCTL(SG_SCSI_RESET)
972COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
973COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
974COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
975#endif
976/* PPP stuff */
977COMPATIBLE_IOCTL(PPPIOCGFLAGS)
978COMPATIBLE_IOCTL(PPPIOCSFLAGS)
979COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
980COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
981COMPATIBLE_IOCTL(PPPIOCGUNIT)
982COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
983COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
984COMPATIBLE_IOCTL(PPPIOCGMRU)
985COMPATIBLE_IOCTL(PPPIOCSMRU)
986COMPATIBLE_IOCTL(PPPIOCSMAXCID)
987COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
988COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
989COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
990/* PPPIOCSCOMPRESS is translated */
991COMPATIBLE_IOCTL(PPPIOCGNPMODE)
992COMPATIBLE_IOCTL(PPPIOCSNPMODE)
993COMPATIBLE_IOCTL(PPPIOCGDEBUG)
994COMPATIBLE_IOCTL(PPPIOCSDEBUG)
995/* PPPIOCSPASS is translated */
996/* PPPIOCSACTIVE is translated */
997/* PPPIOCGIDLE is translated */
998COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
999COMPATIBLE_IOCTL(PPPIOCATTACH)
1000COMPATIBLE_IOCTL(PPPIOCDETACH)
1001COMPATIBLE_IOCTL(PPPIOCSMRRU)
1002COMPATIBLE_IOCTL(PPPIOCCONNECT)
1003COMPATIBLE_IOCTL(PPPIOCDISCONN)
1004COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1005COMPATIBLE_IOCTL(PPPIOCGCHAN)
1006COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1007/* PPPOX */
1008COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1009COMPATIBLE_IOCTL(PPPOEIOCDFWD)
1010/* ppdev */
1011COMPATIBLE_IOCTL(PPSETMODE)
1012COMPATIBLE_IOCTL(PPRSTATUS)
1013COMPATIBLE_IOCTL(PPRCONTROL)
1014COMPATIBLE_IOCTL(PPWCONTROL)
1015COMPATIBLE_IOCTL(PPFCONTROL)
1016COMPATIBLE_IOCTL(PPRDATA)
1017COMPATIBLE_IOCTL(PPWDATA)
1018COMPATIBLE_IOCTL(PPCLAIM)
1019COMPATIBLE_IOCTL(PPRELEASE)
1020COMPATIBLE_IOCTL(PPYIELD)
1021COMPATIBLE_IOCTL(PPEXCL)
1022COMPATIBLE_IOCTL(PPDATADIR)
1023COMPATIBLE_IOCTL(PPNEGOT)
1024COMPATIBLE_IOCTL(PPWCTLONIRQ)
1025COMPATIBLE_IOCTL(PPCLRIRQ)
1026COMPATIBLE_IOCTL(PPSETPHASE)
1027COMPATIBLE_IOCTL(PPGETMODES)
1028COMPATIBLE_IOCTL(PPGETMODE)
1029COMPATIBLE_IOCTL(PPGETPHASE)
1030COMPATIBLE_IOCTL(PPGETFLAGS)
1031COMPATIBLE_IOCTL(PPSETFLAGS)
1032/* Big A */
1033/* sparc only */
1034/* Big Q for sound/OSS */
1035COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1036COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1037COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1038COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1039COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1040COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1041COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1042COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1043COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1044COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1045COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1046COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1047COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1048COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1049COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1050COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1051COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1052COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1053COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1054COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1055COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1056COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1057/* Big T for sound/OSS */
1058COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1059COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1060COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1061COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1062COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1063COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1064COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1065COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1066/* Little m for sound/OSS */
1067COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1068COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1069COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1070/* Big P for sound/OSS */
1071COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1072COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1073COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1074COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1075COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1076COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1077COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1078COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1079COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1080COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1081COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1082COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1083COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1084COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1085COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1086COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1087COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1088COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1089COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1090COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1091/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1092/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1093COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1094COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1095COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1096COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1097COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1098COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1099COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1100COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1101/* Big C for sound/OSS */
1102COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1103COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1104COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1105COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1106COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1107COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1108COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1109COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1110COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1111COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1112/* Big M for sound/OSS */
1113COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1114COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1115COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1116COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1117COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1118COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1119COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1120COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1121COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1122COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1123COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1124COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1125COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1126COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1127COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1128COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1129COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1130COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1131COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1132COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1133COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1134COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1135COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1136COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1137COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1138COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1139/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1140/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1141COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1142COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1143COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1144COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1145COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1146COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1147COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1148COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1149COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1150COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1151COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1152COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1153COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1154COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1155COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1156COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1157COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1158COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1159COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1160COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1161COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1162COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1163COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1164COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1165COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1166COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1167COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1168COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1169COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1170COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1171COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1172/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1173/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1174COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1175COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1176COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1177COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1178COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1179COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1180COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1181COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1182COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1183COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1184COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1185COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1186COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1187COMPATIBLE_IOCTL(OSS_GETVERSION)
1188/* Raw devices */
1189COMPATIBLE_IOCTL(RAW_SETBIND)
1190COMPATIBLE_IOCTL(RAW_GETBIND)
1191/* Watchdog */
1192COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1193COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1194COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1195COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1196COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1197COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1198COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1199COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1200/* Big R */
1201COMPATIBLE_IOCTL(RNDGETENTCNT)
1202COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1203COMPATIBLE_IOCTL(RNDGETPOOL)
1204COMPATIBLE_IOCTL(RNDADDENTROPY)
1205COMPATIBLE_IOCTL(RNDZAPENTCNT)
1206COMPATIBLE_IOCTL(RNDCLEARPOOL)
1207/* Bluetooth */
1208COMPATIBLE_IOCTL(HCIDEVUP)
1209COMPATIBLE_IOCTL(HCIDEVDOWN)
1210COMPATIBLE_IOCTL(HCIDEVRESET)
1211COMPATIBLE_IOCTL(HCIDEVRESTAT)
1212COMPATIBLE_IOCTL(HCIGETDEVLIST)
1213COMPATIBLE_IOCTL(HCIGETDEVINFO)
1214COMPATIBLE_IOCTL(HCIGETCONNLIST)
1215COMPATIBLE_IOCTL(HCIGETCONNINFO)
1216COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1217COMPATIBLE_IOCTL(HCISETRAW)
1218COMPATIBLE_IOCTL(HCISETSCAN)
1219COMPATIBLE_IOCTL(HCISETAUTH)
1220COMPATIBLE_IOCTL(HCISETENCRYPT)
1221COMPATIBLE_IOCTL(HCISETPTYPE)
1222COMPATIBLE_IOCTL(HCISETLINKPOL)
1223COMPATIBLE_IOCTL(HCISETLINKMODE)
1224COMPATIBLE_IOCTL(HCISETACLMTU)
1225COMPATIBLE_IOCTL(HCISETSCOMTU)
1226COMPATIBLE_IOCTL(HCIBLOCKADDR)
1227COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1228COMPATIBLE_IOCTL(HCIINQUIRY)
1229COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1230COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1231COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1232COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1233COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1234COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1235COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1236COMPATIBLE_IOCTL(BNEPCONNADD)
1237COMPATIBLE_IOCTL(BNEPCONNDEL)
1238COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1239COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1240COMPATIBLE_IOCTL(CMTPCONNADD)
1241COMPATIBLE_IOCTL(CMTPCONNDEL)
1242COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1243COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1244COMPATIBLE_IOCTL(HIDPCONNADD)
1245COMPATIBLE_IOCTL(HIDPCONNDEL)
1246COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1247COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1248/* CAPI */
1249COMPATIBLE_IOCTL(CAPI_REGISTER)
1250COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1251COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1252COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1253COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1254COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1255COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1256COMPATIBLE_IOCTL(CAPI_INSTALLED)
1257COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1258COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1259COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1260COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1261COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1262/* Siemens Gigaset */
1263COMPATIBLE_IOCTL(GIGASET_REDIR)
1264COMPATIBLE_IOCTL(GIGASET_CONFIG)
1265COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1266COMPATIBLE_IOCTL(GIGASET_VERSION)
1267/* Misc. */
1268COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1269COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1270COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1271COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1272COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1273COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1274/* NBD */
1275COMPATIBLE_IOCTL(NBD_DO_IT)
1276COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1277COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1278COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
1279COMPATIBLE_IOCTL(NBD_DISCONNECT)
1280/* i2c */
1281COMPATIBLE_IOCTL(I2C_SLAVE)
1282COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1283COMPATIBLE_IOCTL(I2C_TENBIT)
1284COMPATIBLE_IOCTL(I2C_PEC)
1285COMPATIBLE_IOCTL(I2C_RETRIES)
1286COMPATIBLE_IOCTL(I2C_TIMEOUT)
1287/* hiddev */
1288COMPATIBLE_IOCTL(HIDIOCGVERSION)
1289COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1290COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1291COMPATIBLE_IOCTL(HIDIOCGSTRING)
1292COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1293COMPATIBLE_IOCTL(HIDIOCGREPORT)
1294COMPATIBLE_IOCTL(HIDIOCSREPORT)
1295COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1296COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1297COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1298COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1299COMPATIBLE_IOCTL(HIDIOCGUCODE)
1300COMPATIBLE_IOCTL(HIDIOCGFLAG)
1301COMPATIBLE_IOCTL(HIDIOCSFLAG)
1302COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1303COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1304/* dvb */
1305COMPATIBLE_IOCTL(AUDIO_STOP)
1306COMPATIBLE_IOCTL(AUDIO_PLAY)
1307COMPATIBLE_IOCTL(AUDIO_PAUSE)
1308COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1309COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1310COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1311COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1312COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1313COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1314COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1315COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1316COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1317COMPATIBLE_IOCTL(AUDIO_SET_ID)
1318COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1319COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1320COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1321COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1322COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1323COMPATIBLE_IOCTL(DMX_START)
1324COMPATIBLE_IOCTL(DMX_STOP)
1325COMPATIBLE_IOCTL(DMX_SET_FILTER)
1326COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1327COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1328COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1329COMPATIBLE_IOCTL(DMX_GET_CAPS)
1330COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1331COMPATIBLE_IOCTL(DMX_GET_STC)
1332COMPATIBLE_IOCTL(FE_GET_INFO)
1333COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1334COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1335COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1336COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1337COMPATIBLE_IOCTL(FE_SET_TONE)
1338COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1339COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1340COMPATIBLE_IOCTL(FE_READ_STATUS)
1341COMPATIBLE_IOCTL(FE_READ_BER)
1342COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1343COMPATIBLE_IOCTL(FE_READ_SNR)
1344COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1345COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1346COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1347COMPATIBLE_IOCTL(FE_GET_EVENT)
1348COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1349COMPATIBLE_IOCTL(VIDEO_STOP)
1350COMPATIBLE_IOCTL(VIDEO_PLAY)
1351COMPATIBLE_IOCTL(VIDEO_FREEZE)
1352COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1353COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1354COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1355COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1356COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1357COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1358COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1359COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1360COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1361COMPATIBLE_IOCTL(VIDEO_SET_ID)
1362COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1363COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1364COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1365COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1366COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1367COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1368COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1369COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1370COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1371
1372/* joystick */
1373COMPATIBLE_IOCTL(JSIOCGVERSION)
1374COMPATIBLE_IOCTL(JSIOCGAXES)
1375COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1376COMPATIBLE_IOCTL(JSIOCGNAME(0))
1377
1378#ifdef TIOCGLTC
1379COMPATIBLE_IOCTL(TIOCGLTC)
1380COMPATIBLE_IOCTL(TIOCSLTC)
1381#endif
1382#ifdef TIOCSTART
1383/*
1384 * For these two we have definitions in ioctls.h and/or termios.h on
1385 * some architectures but no actual implemention. Some applications
1386 * like bash call them if they are defined in the headers, so we provide
1387 * entries here to avoid syslog message spew.
1388 */
1389COMPATIBLE_IOCTL(TIOCSTART)
1390COMPATIBLE_IOCTL(TIOCSTOP)
1391#endif
1392
1393/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1394 but we don't want warnings on other file systems. So declare
1395 them as compatible here. */
1396#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1397#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1398
1399IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1400IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1401
1402#ifdef CONFIG_SPARC
1403/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1404IGNORE_IOCTL(FBIOGTYPE)
1405IGNORE_IOCTL(FBIOSATTR)
1406IGNORE_IOCTL(FBIOGATTR)
1407IGNORE_IOCTL(FBIOSVIDEO)
1408IGNORE_IOCTL(FBIOGVIDEO)
1409IGNORE_IOCTL(FBIOSCURPOS)
1410IGNORE_IOCTL(FBIOGCURPOS)
1411IGNORE_IOCTL(FBIOGCURMAX)
1412IGNORE_IOCTL(FBIOPUTCMAP32)
1413IGNORE_IOCTL(FBIOGETCMAP32)
1414IGNORE_IOCTL(FBIOSCURSOR32)
1415IGNORE_IOCTL(FBIOGCURSOR32)
1416#endif
1417};
1418
1419/*
1420 * Convert common ioctl arguments based on their command number
1421 *
1422 * Please do not add any code in here. Instead, implement
1423 * a compat_ioctl operation in the place that handleѕ the
1424 * ioctl for the native case.
1425 */
1426static long do_ioctl_trans(int fd, unsigned int cmd,
1427 unsigned long arg, struct file *file)
1428{
1429 void __user *argp = compat_ptr(arg);
1430
1431 switch (cmd) {
1432 case PPPIOCGIDLE32:
1433 return ppp_gidle(fd, cmd, argp);
1434 case PPPIOCSCOMPRESS32:
1435 return ppp_scompress(fd, cmd, argp);
1436 case PPPIOCSPASS32:
1437 case PPPIOCSACTIVE32:
1438 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
1439#ifdef CONFIG_BLOCK
1440 case SG_IO:
1441 return sg_ioctl_trans(fd, cmd, argp);
1442 case SG_GET_REQUEST_TABLE:
1443 return sg_grt_trans(fd, cmd, argp);
1444 case MTIOCGET32:
1445 case MTIOCPOS32:
1446 return mt_ioctl_trans(fd, cmd, argp);
1447#endif
1448 /* Serial */
1449 case TIOCGSERIAL:
1450 case TIOCSSERIAL:
1451 return serial_struct_ioctl(fd, cmd, argp);
1452 /* i2c */
1453 case I2C_FUNCS:
1454 return w_long(fd, cmd, argp);
1455 case I2C_RDWR:
1456 return do_i2c_rdwr_ioctl(fd, cmd, argp);
1457 case I2C_SMBUS:
1458 return do_i2c_smbus_ioctl(fd, cmd, argp);
1459 /* Not implemented in the native kernel */
1460 case RTC_IRQP_READ32:
1461 case RTC_IRQP_SET32:
1462 case RTC_EPOCH_READ32:
1463 case RTC_EPOCH_SET32:
1464 return rtc_ioctl(fd, cmd, argp);
1465
1466 /* dvb */
1467 case VIDEO_GET_EVENT:
1468 return do_video_get_event(fd, cmd, argp);
1469 case VIDEO_STILLPICTURE:
1470 return do_video_stillpicture(fd, cmd, argp);
1471 case VIDEO_SET_SPU_PALETTE:
1472 return do_video_set_spu_palette(fd, cmd, argp);
1473 }
1474
1475 /*
1476 * These take an integer instead of a pointer as 'arg',
1477 * so we must not do a compat_ptr() translation.
1478 */
1479 switch (cmd) {
1480 /* Big T */
1481 case TCSBRKP:
1482 case TIOCMIWAIT:
1483 case TIOCSCTTY:
1484 /* RAID */
1485 case HOT_REMOVE_DISK:
1486 case HOT_ADD_DISK:
1487 case SET_DISK_FAULTY:
1488 case SET_BITMAP_FILE:
1489 /* Big K */
1490 case KDSIGACCEPT:
1491 case KIOCSOUND:
1492 case KDMKTONE:
1493 case KDSETMODE:
1494 case KDSKBMODE:
1495 case KDSKBMETA:
1496 case KDSKBLED:
1497 case KDSETLED:
1498 /* NBD */
1499 case NBD_SET_SOCK:
1500 case NBD_SET_BLKSIZE:
1501 case NBD_SET_SIZE:
1502 case NBD_SET_SIZE_BLOCKS:
1503 return do_vfs_ioctl(file, fd, cmd, arg);
1504 }
1505
1506 return -ENOIOCTLCMD;
1507}
1508
1509static int compat_ioctl_check_table(unsigned int xcmd)
1510{
1511 int i;
1512 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1513
1514 BUILD_BUG_ON(max >= (1 << 16));
1515
1516 /* guess initial offset into table, assuming a
1517 normalized distribution */
1518 i = ((xcmd >> 16) * max) >> 16;
1519
1520 /* do linear search up first, until greater or equal */
1521 while (ioctl_pointer[i] < xcmd && i < max)
1522 i++;
1523
1524 /* then do linear search down */
1525 while (ioctl_pointer[i] > xcmd && i > 0)
1526 i--;
1527
1528 return ioctl_pointer[i] == xcmd;
1529}
1530
1531asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1532 unsigned long arg)
1533{
1534 struct file *filp;
1535 int error = -EBADF;
1536 int fput_needed;
1537
1538 filp = fget_light(fd, &fput_needed);
1539 if (!filp)
1540 goto out;
1541
1542 /* RED-PEN how should LSM module know it's handling 32bit? */
1543 error = security_file_ioctl(filp, cmd, arg);
1544 if (error)
1545 goto out_fput;
1546
1547 /*
1548 * To allow the compat_ioctl handlers to be self contained
1549 * we need to check the common ioctls here first.
1550 * Just handle them with the standard handlers below.
1551 */
1552 switch (cmd) {
1553 case FIOCLEX:
1554 case FIONCLEX:
1555 case FIONBIO:
1556 case FIOASYNC:
1557 case FIOQSIZE:
1558 break;
1559
1560#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1561 case FS_IOC_RESVSP_32:
1562 case FS_IOC_RESVSP64_32:
1563 error = compat_ioctl_preallocate(filp, compat_ptr(arg));
1564 goto out_fput;
1565#else
1566 case FS_IOC_RESVSP:
1567 case FS_IOC_RESVSP64:
1568 error = ioctl_preallocate(filp, compat_ptr(arg));
1569 goto out_fput;
1570#endif
1571
1572 case FIBMAP:
1573 case FIGETBSZ:
1574 case FIONREAD:
1575 if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
1576 break;
1577 /*FALL THROUGH*/
1578
1579 default:
1580 if (filp->f_op && filp->f_op->compat_ioctl) {
1581 error = filp->f_op->compat_ioctl(filp, cmd, arg);
1582 if (error != -ENOIOCTLCMD)
1583 goto out_fput;
1584 }
1585
1586 if (!filp->f_op || !filp->f_op->unlocked_ioctl)
1587 goto do_ioctl;
1588 break;
1589 }
1590
1591 if (compat_ioctl_check_table(XFORM(cmd)))
1592 goto found_handler;
1593
1594 error = do_ioctl_trans(fd, cmd, arg, filp);
1595 if (error == -ENOIOCTLCMD)
1596 error = -ENOTTY;
1597
1598 goto out_fput;
1599
1600 found_handler:
1601 arg = (unsigned long)compat_ptr(arg);
1602 do_ioctl:
1603 error = do_vfs_ioctl(filp, fd, cmd, arg);
1604 out_fput:
1605 fput_light(filp, fput_needed);
1606 out:
1607 return error;
1608}
1609
1610static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1611{
1612 unsigned int a, b;
1613 a = *(unsigned int *)p;
1614 b = *(unsigned int *)q;
1615 if (a > b)
1616 return 1;
1617 if (a < b)
1618 return -1;
1619 return 0;
1620}
1621
1622static int __init init_sys32_ioctl(void)
1623{
1624 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1625 init_sys32_ioctl_cmp, NULL);
1626 return 0;
1627}
1628__initcall(init_sys32_ioctl);