blob: 03e59aa318eb0a2c9801857a9d343fa008fdc7a2 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Pavel Macheka2531292010-07-18 14:27:13 +02007 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
9 * These routines maintain argument size conversion between 32bit and 64bit
10 * ioctls.
11 */
12
Akos Maroy3fee37c2008-01-06 11:15:55 +010013#include <linux/joystick.h>
14
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/types.h>
16#include <linux/compat.h>
17#include <linux/kernel.h>
Randy Dunlap16f7e0f2006-01-11 12:17:46 -080018#include <linux/capability.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/compiler.h>
20#include <linux/sched.h>
21#include <linux/smp.h>
Alexey Dobriyan405f5572009-07-11 22:08:37 +040022#include <linux/smp_lock.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <linux/ioctl.h>
24#include <linux/if.h>
25#include <linux/if_bridge.h>
NeilBrownbff61972009-03-31 14:33:13 +110026#include <linux/raid/md_u.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <linux/kd.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include <linux/route.h>
29#include <linux/in6.h>
30#include <linux/ipv6_route.h>
31#include <linux/skbuff.h>
32#include <linux/netlink.h>
33#include <linux/vt.h>
Ankit Jain3e63cbb2009-06-19 14:28:07 -040034#include <linux/falloc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#include <linux/fs.h>
36#include <linux/file.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#include <linux/ppp_defs.h>
38#include <linux/if_ppp.h>
39#include <linux/if_pppox.h>
40#include <linux/mtio.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#include <linux/auto_fs.h>
42#include <linux/auto_fs4.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070043#include <linux/tty.h>
44#include <linux/vt_kern.h>
45#include <linux/fb.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#include <linux/videodev.h>
47#include <linux/netdevice.h>
48#include <linux/raw.h>
49#include <linux/smb_fs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#include <linux/blkdev.h>
51#include <linux/elevator.h>
52#include <linux/rtc.h>
53#include <linux/pci.h>
54#include <linux/module.h>
55#include <linux/serial.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070056#include <linux/if_tun.h>
57#include <linux/ctype.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070058#include <linux/syscalls.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#include <linux/i2c.h>
60#include <linux/i2c-dev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070061#include <linux/atalk.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090062#include <linux/gfp.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070063
Linus Torvalds1da177e2005-04-16 15:20:36 -070064#include <net/bluetooth/bluetooth.h>
65#include <net/bluetooth/hci.h>
66#include <net/bluetooth/rfcomm.h>
67
68#include <linux/capi.h>
Hansjoerg Lipp5024ad42006-06-26 00:25:35 -070069#include <linux/gigaset_dev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070070
Randy Dunlap3c3622d2008-07-16 08:52:00 -050071#ifdef CONFIG_BLOCK
Alexander Beregalov1ba0c7d2009-04-20 12:23:02 +040072#include <linux/loop.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070073#include <scsi/scsi.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070074#include <scsi/scsi_ioctl.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070075#include <scsi/sg.h>
Randy Dunlap3c3622d2008-07-16 08:52:00 -050076#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070077
Linus Torvalds1da177e2005-04-16 15:20:36 -070078#include <asm/uaccess.h>
79#include <linux/ethtool.h>
80#include <linux/mii.h>
81#include <linux/if_bonding.h>
82#include <linux/watchdog.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
Linus Torvalds1da177e2005-04-16 15:20:36 -070084#include <linux/soundcard.h>
85#include <linux/lp.h>
86#include <linux/ppdev.h>
87
88#include <linux/atm.h>
89#include <linux/atmarp.h>
90#include <linux/atmclip.h>
91#include <linux/atmdev.h>
92#include <linux/atmioc.h>
93#include <linux/atmlec.h>
94#include <linux/atmmpc.h>
95#include <linux/atmsvc.h>
96#include <linux/atm_tcp.h>
97#include <linux/sonet.h>
98#include <linux/atm_suni.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100#include <linux/usb.h>
101#include <linux/usbdevice_fs.h>
102#include <linux/nbd.h>
103#include <linux/random.h>
104#include <linux/filter.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
106#include <linux/hiddev.h>
107
David S. Miller6e87abd2005-11-16 00:52:57 -0800108#include <linux/dvb/audio.h>
109#include <linux/dvb/dmx.h>
110#include <linux/dvb/frontend.h>
111#include <linux/dvb/video.h>
112
Arnd Bergmann661f6272009-11-05 19:52:55 +0100113#include <linux/sort.h>
114
David S. Miller81639042007-07-29 00:50:42 -0700115#ifdef CONFIG_SPARC
116#include <asm/fbio.h>
117#endif
118
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100119static int w_long(unsigned int fd, unsigned int cmd,
120 compat_ulong_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121{
122 mm_segment_t old_fs = get_fs();
123 int err;
124 unsigned long val;
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100125
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126 set_fs (KERNEL_DS);
127 err = sys_ioctl(fd, cmd, (unsigned long)&val);
128 set_fs (old_fs);
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100129 if (!err && put_user(val, argp))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130 return -EFAULT;
131 return err;
132}
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100133
David S. Miller6e87abd2005-11-16 00:52:57 -0800134struct 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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100143static int do_video_get_event(unsigned int fd, unsigned int cmd,
144 struct compat_video_event __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800145{
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) {
David S. Miller6e87abd2005-11-16 00:52:57 -0800155 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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100173static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
174 struct compat_video_still_picture __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800175{
David S. Miller6e87abd2005-11-16 00:52:57 -0800176 struct video_still_picture __user *up_native;
177 compat_uptr_t fp;
178 int32_t size;
179 int err;
180
David S. Miller6e87abd2005-11-16 00:52:57 -0800181 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
Heiko Carstens7116e992006-12-06 20:36:36 -0800189 err = put_user(compat_ptr(fp), &up_native->iFrame);
190 err |= put_user(size, &up_native->size);
191 if (err)
192 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800193
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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100204static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
205 struct compat_video_spu_palette __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800206{
David S. Miller6e87abd2005-11-16 00:52:57 -0800207 struct video_spu_palette __user *up_native;
208 compat_uptr_t palp;
209 int length, err;
210
David S. Miller6e87abd2005-11-16 00:52:57 -0800211 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));
Heiko Carstens7116e992006-12-06 20:36:36 -0800215 err = put_user(compat_ptr(palp), &up_native->palette);
216 err |= put_user(length, &up_native->length);
217 if (err)
218 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800219
220 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
221
222 return err;
223}
224
David Howells93614012006-09-30 20:45:40 +0200225#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226typedef 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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100278static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
279 sg_io_hdr32_t __user *sgio32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280{
281 sg_io_hdr_t __user *sgio;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282 u16 iovec_count;
283 u32 data;
284 void __user *dxferp;
285 int err;
FUJITA Tomonori84eb8fb2010-01-05 19:41:44 +0900286 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);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351 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
Andi Kleen29663872006-01-11 22:44:03 +0100371struct 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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100382static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
383 compat_sg_req_info __user *o)
Andi Kleen29663872006-01-11 22:44:03 +0100384{
385 int err, i;
Al Viro6b2b4e52006-02-01 06:33:33 -0500386 sg_req_info_t __user *r;
Andi Kleen29663872006-01-11 22:44:03 +0100387 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}
David Howells93614012006-09-30 20:45:40 +0200404#endif /* CONFIG_BLOCK */
Andi Kleen29663872006-01-11 22:44:03 +0100405
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406struct 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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100414static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
415 struct sock_fprog32 __user *u_fprog32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417 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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100453static int ppp_gidle(unsigned int fd, unsigned int cmd,
454 struct ppp_idle32 __user *idle32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455{
456 struct ppp_idle __user *idle;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457 __kernel_time_t xmit, recv;
458 int err;
459
460 idle = compat_alloc_user_space(sizeof(*idle));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700461
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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100474static int ppp_scompress(unsigned int fd, unsigned int cmd,
475 struct ppp_option_data32 __user *odata32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700476{
477 struct ppp_option_data __user *odata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478 __u32 data;
479 void __user *datap;
480
481 odata = compat_alloc_user_space(sizeof(*odata));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482
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
David Howells93614012006-09-30 20:45:40 +0200497#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700498struct 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
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100514static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515{
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;
Andrew Morton45bf5cd2010-03-05 13:43:19 -0800530 default: /* MTIOCGET32 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700531 kcmd = MTIOCGET;
532 karg = &get;
533 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534 }
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:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100542 upos32 = argp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
544 break;
545 case MTIOCGET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100546 umget32 = argp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547 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
David Howells93614012006-09-30 20:45:40 +0200559#endif /* CONFIG_BLOCK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700560
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100561static int do_smb_getmountuid(unsigned int fd, unsigned int cmd,
562 compat_uid_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700563{
564 mm_segment_t old_fs = get_fs();
565 __kernel_uid_t kuid;
566 int err;
567
568 cmd = SMB_IOC_GETMOUNTUID;
569
570 set_fs(KERNEL_DS);
571 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
572 set_fs(old_fs);
573
574 if (err >= 0)
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100575 err = put_user(kuid, argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700576
577 return err;
578}
579
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580/* Bluetooth ioctls */
Johan Hedberg2cdf0962010-07-09 16:28:36 -0300581#define HCIUARTSETPROTO _IOW('U', 200, int)
582#define HCIUARTGETPROTO _IOR('U', 201, int)
583#define HCIUARTGETDEVICE _IOR('U', 202, int)
Johan Hedberg63c7d092010-07-12 11:37:04 -0300584#define HCIUARTSETFLAGS _IOW('U', 203, int)
585#define HCIUARTGETFLAGS _IOR('U', 204, int)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586
587#define BNEPCONNADD _IOW('B', 200, int)
588#define BNEPCONNDEL _IOW('B', 201, int)
589#define BNEPGETCONNLIST _IOR('B', 210, int)
590#define BNEPGETCONNINFO _IOR('B', 211, int)
591
592#define CMTPCONNADD _IOW('C', 200, int)
593#define CMTPCONNDEL _IOW('C', 201, int)
594#define CMTPGETCONNLIST _IOR('C', 210, int)
595#define CMTPGETCONNINFO _IOR('C', 211, int)
596
597#define HIDPCONNADD _IOW('H', 200, int)
598#define HIDPCONNDEL _IOW('H', 201, int)
599#define HIDPGETCONNLIST _IOR('H', 210, int)
600#define HIDPGETCONNINFO _IOR('H', 211, int)
601
David Howells93614012006-09-30 20:45:40 +0200602#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700603struct raw32_config_request
604{
605 compat_int_t raw_minor;
606 __u64 block_major;
607 __u64 block_minor;
608} __attribute__((packed));
609
610static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
611{
612 int ret;
613
614 if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
615 return -EFAULT;
616
617 ret = __get_user(req->raw_minor, &user_req->raw_minor);
618 ret |= __get_user(req->block_major, &user_req->block_major);
619 ret |= __get_user(req->block_minor, &user_req->block_minor);
620
621 return ret ? -EFAULT : 0;
622}
623
624static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
625{
626 int ret;
627
628 if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
629 return -EFAULT;
630
631 ret = __put_user(req->raw_minor, &user_req->raw_minor);
632 ret |= __put_user(req->block_major, &user_req->block_major);
633 ret |= __put_user(req->block_minor, &user_req->block_minor);
634
635 return ret ? -EFAULT : 0;
636}
637
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100638static int raw_ioctl(unsigned fd, unsigned cmd,
639 struct raw32_config_request __user *user_req)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640{
641 int ret;
642
643 switch (cmd) {
644 case RAW_SETBIND:
Andrew Morton45bf5cd2010-03-05 13:43:19 -0800645 default: { /* RAW_GETBIND */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646 struct raw_config_request req;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700647 mm_segment_t oldfs = get_fs();
648
649 if ((ret = get_raw32_request(&req, user_req)))
650 return ret;
651
652 set_fs(KERNEL_DS);
653 ret = sys_ioctl(fd,cmd,(unsigned long)&req);
654 set_fs(oldfs);
655
656 if ((!ret) && (cmd == RAW_GETBIND)) {
657 ret = set_raw32_request(&req, user_req);
658 }
659 break;
660 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661 }
662 return ret;
663}
David Howells93614012006-09-30 20:45:40 +0200664#endif /* CONFIG_BLOCK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700665
666struct serial_struct32 {
667 compat_int_t type;
668 compat_int_t line;
669 compat_uint_t port;
670 compat_int_t irq;
671 compat_int_t flags;
672 compat_int_t xmit_fifo_size;
673 compat_int_t custom_divisor;
674 compat_int_t baud_base;
675 unsigned short close_delay;
676 char io_type;
677 char reserved_char[1];
678 compat_int_t hub6;
679 unsigned short closing_wait; /* time to wait before closing */
680 unsigned short closing_wait2; /* no longer used... */
681 compat_uint_t iomem_base;
682 unsigned short iomem_reg_shift;
683 unsigned int port_high;
684 /* compat_ulong_t iomap_base FIXME */
685 compat_int_t reserved[1];
686};
687
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100688static int serial_struct_ioctl(unsigned fd, unsigned cmd,
689 struct serial_struct32 __user *ss32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690{
691 typedef struct serial_struct SS;
692 typedef struct serial_struct32 SS32;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693 int err;
694 struct serial_struct ss;
695 mm_segment_t oldseg = get_fs();
696 __u32 udata;
Heiko Carstens7116e992006-12-06 20:36:36 -0800697 unsigned int base;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698
699 if (cmd == TIOCSSERIAL) {
700 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
701 return -EFAULT;
702 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
703 return -EFAULT;
Heiko Carstens7116e992006-12-06 20:36:36 -0800704 if (__get_user(udata, &ss32->iomem_base))
705 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706 ss.iomem_base = compat_ptr(udata);
Heiko Carstens7116e992006-12-06 20:36:36 -0800707 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
708 __get_user(ss.port_high, &ss32->port_high))
709 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710 ss.iomap_base = 0UL;
711 }
712 set_fs(KERNEL_DS);
713 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
714 set_fs(oldseg);
715 if (cmd == TIOCGSERIAL && err >= 0) {
716 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
717 return -EFAULT;
718 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
719 return -EFAULT;
Heiko Carstens7116e992006-12-06 20:36:36 -0800720 base = (unsigned long)ss.iomem_base >> 32 ?
721 0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
722 if (__put_user(base, &ss32->iomem_base) ||
723 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
724 __put_user(ss.port_high, &ss32->port_high))
725 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700726 }
727 return err;
728}
729
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730/*
731 * I2C layer ioctls
732 */
733
734struct i2c_msg32 {
735 u16 addr;
736 u16 flags;
737 u16 len;
738 compat_caddr_t buf;
739};
740
741struct i2c_rdwr_ioctl_data32 {
742 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
743 u32 nmsgs;
744};
745
746struct i2c_smbus_ioctl_data32 {
747 u8 read_write;
748 u8 command;
749 u32 size;
750 compat_caddr_t data; /* union i2c_smbus_data *data */
751};
752
753struct i2c_rdwr_aligned {
754 struct i2c_rdwr_ioctl_data cmd;
755 struct i2c_msg msgs[0];
756};
757
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100758static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
759 struct i2c_rdwr_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700760{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761 struct i2c_rdwr_aligned __user *tdata;
762 struct i2c_msg __user *tmsgs;
763 struct i2c_msg32 __user *umsgs;
764 compat_caddr_t datap;
765 int nmsgs, i;
766
767 if (get_user(nmsgs, &udata->nmsgs))
768 return -EFAULT;
769 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
770 return -EINVAL;
771
772 if (get_user(datap, &udata->msgs))
773 return -EFAULT;
774 umsgs = compat_ptr(datap);
775
776 tdata = compat_alloc_user_space(sizeof(*tdata) +
777 nmsgs * sizeof(struct i2c_msg));
778 tmsgs = &tdata->msgs[0];
779
780 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
781 put_user(tmsgs, &tdata->cmd.msgs))
782 return -EFAULT;
783
784 for (i = 0; i < nmsgs; i++) {
785 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
786 return -EFAULT;
787 if (get_user(datap, &umsgs[i].buf) ||
788 put_user(compat_ptr(datap), &tmsgs[i].buf))
789 return -EFAULT;
790 }
791 return sys_ioctl(fd, cmd, (unsigned long)tdata);
792}
793
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100794static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
795 struct i2c_smbus_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700796{
797 struct i2c_smbus_ioctl_data __user *tdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798 compat_caddr_t datap;
799
800 tdata = compat_alloc_user_space(sizeof(*tdata));
801 if (tdata == NULL)
802 return -ENOMEM;
803 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
804 return -EFAULT;
805
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
807 return -EFAULT;
808
809 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
810 return -EFAULT;
811 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
812 return -EFAULT;
813 if (__get_user(datap, &udata->data) ||
814 __put_user(compat_ptr(datap), &tdata->data))
815 return -EFAULT;
816
817 return sys_ioctl(fd, cmd, (unsigned long)tdata);
818}
819
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800820#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
821#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
822#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
823#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
824
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100825static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800826{
827 mm_segment_t oldfs = get_fs();
828 compat_ulong_t val32;
829 unsigned long kval;
830 int ret;
831
832 switch (cmd) {
833 case RTC_IRQP_READ32:
834 case RTC_EPOCH_READ32:
835 set_fs(KERNEL_DS);
836 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
837 RTC_IRQP_READ : RTC_EPOCH_READ,
838 (unsigned long)&kval);
839 set_fs(oldfs);
840 if (ret)
841 return ret;
842 val32 = kval;
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100843 return put_user(val32, (unsigned int __user *)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800844 case RTC_IRQP_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100845 return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800846 case RTC_EPOCH_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100847 return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800848 }
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100849
850 return -ENOIOCTLCMD;
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800851}
852
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400853/* on ia32 l_start is on a 32-bit boundary */
854#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
855struct space_resv_32 {
856 __s16 l_type;
857 __s16 l_whence;
858 __s64 l_start __attribute__((packed));
859 /* len == 0 means until end of file */
860 __s64 l_len __attribute__((packed));
861 __s32 l_sysid;
862 __u32 l_pid;
863 __s32 l_pad[4]; /* reserve area */
864};
865
866#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
867#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
868
869/* just account for different alignment */
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100870static int compat_ioctl_preallocate(struct file *file,
871 struct space_resv_32 __user *p32)
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400872{
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400873 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
874
875 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
876 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
877 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
878 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
879 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
880 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
881 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
882 return -EFAULT;
883
884 return ioctl_preallocate(file, p);
885}
886#endif
887
Arnd Bergmann661f6272009-11-05 19:52:55 +0100888/*
889 * simple reversible transform to make our table more evenly
890 * distributed after sorting.
891 */
892#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
Christoph Hellwig6272e262007-05-08 00:29:21 -0700893
Arnd Bergmann661f6272009-11-05 19:52:55 +0100894#define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
Andi Kleen421f0282007-05-02 19:27:20 +0200895/* ioctl should not be warned about even if it's not implemented.
896 Valid reasons to use this:
897 - It is implemented with ->compat_ioctl on some device, but programs
898 call it on others too.
899 - The ioctl is not implemented in the native kernel, but programs
900 call it commonly anyways.
901 Most other reasons are not valid. */
902#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -0800903
Arnd Bergmann661f6272009-11-05 19:52:55 +0100904static unsigned int ioctl_pointer[] = {
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700905/* compatible ioctls first */
906COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
907COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
908
909/* Big T */
910COMPATIBLE_IOCTL(TCGETA)
911COMPATIBLE_IOCTL(TCSETA)
912COMPATIBLE_IOCTL(TCSETAW)
913COMPATIBLE_IOCTL(TCSETAF)
914COMPATIBLE_IOCTL(TCSBRK)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700915COMPATIBLE_IOCTL(TCXONC)
916COMPATIBLE_IOCTL(TCFLSH)
917COMPATIBLE_IOCTL(TCGETS)
918COMPATIBLE_IOCTL(TCSETS)
919COMPATIBLE_IOCTL(TCSETSW)
920COMPATIBLE_IOCTL(TCSETSF)
921COMPATIBLE_IOCTL(TIOCLINUX)
922COMPATIBLE_IOCTL(TIOCSBRK)
923COMPATIBLE_IOCTL(TIOCCBRK)
Andreas Schwab4cfbafd2010-02-10 13:56:40 -0800924COMPATIBLE_IOCTL(TIOCGSID)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700925COMPATIBLE_IOCTL(TIOCGICOUNT)
926/* Little t */
927COMPATIBLE_IOCTL(TIOCGETD)
928COMPATIBLE_IOCTL(TIOCSETD)
929COMPATIBLE_IOCTL(TIOCEXCL)
930COMPATIBLE_IOCTL(TIOCNXCL)
931COMPATIBLE_IOCTL(TIOCCONS)
932COMPATIBLE_IOCTL(TIOCGSOFTCAR)
933COMPATIBLE_IOCTL(TIOCSSOFTCAR)
934COMPATIBLE_IOCTL(TIOCSWINSZ)
935COMPATIBLE_IOCTL(TIOCGWINSZ)
936COMPATIBLE_IOCTL(TIOCMGET)
937COMPATIBLE_IOCTL(TIOCMBIC)
938COMPATIBLE_IOCTL(TIOCMBIS)
939COMPATIBLE_IOCTL(TIOCMSET)
940COMPATIBLE_IOCTL(TIOCPKT)
941COMPATIBLE_IOCTL(TIOCNOTTY)
942COMPATIBLE_IOCTL(TIOCSTI)
943COMPATIBLE_IOCTL(TIOCOUTQ)
944COMPATIBLE_IOCTL(TIOCSPGRP)
945COMPATIBLE_IOCTL(TIOCGPGRP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700946COMPATIBLE_IOCTL(TIOCGPTN)
947COMPATIBLE_IOCTL(TIOCSPTLCK)
948COMPATIBLE_IOCTL(TIOCSERGETLSR)
hyc@symas.com26df6d12010-06-22 10:14:49 -0700949COMPATIBLE_IOCTL(TIOCSIG)
Heiko Carstens81257de2007-11-28 16:22:07 -0800950#ifdef TCGETS2
951COMPATIBLE_IOCTL(TCGETS2)
952COMPATIBLE_IOCTL(TCSETS2)
953COMPATIBLE_IOCTL(TCSETSW2)
954COMPATIBLE_IOCTL(TCSETSF2)
955#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700956/* Little f */
957COMPATIBLE_IOCTL(FIOCLEX)
958COMPATIBLE_IOCTL(FIONCLEX)
959COMPATIBLE_IOCTL(FIOASYNC)
960COMPATIBLE_IOCTL(FIONBIO)
961COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
Eric Sandeen69130c72009-08-06 15:07:37 -0700962COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700963/* 0x00 */
964COMPATIBLE_IOCTL(FIBMAP)
965COMPATIBLE_IOCTL(FIGETBSZ)
Christoph Hellwig5cf8cf42009-02-26 21:32:51 +0100966/* 'X' - originally XFS but some now in the VFS */
967COMPATIBLE_IOCTL(FIFREEZE)
968COMPATIBLE_IOCTL(FITHAW)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700969COMPATIBLE_IOCTL(KDGETKEYCODE)
970COMPATIBLE_IOCTL(KDSETKEYCODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700971COMPATIBLE_IOCTL(KDGKBTYPE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700972COMPATIBLE_IOCTL(KDGETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700973COMPATIBLE_IOCTL(KDGKBMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700974COMPATIBLE_IOCTL(KDGKBMETA)
975COMPATIBLE_IOCTL(KDGKBENT)
976COMPATIBLE_IOCTL(KDSKBENT)
977COMPATIBLE_IOCTL(KDGKBSENT)
978COMPATIBLE_IOCTL(KDSKBSENT)
979COMPATIBLE_IOCTL(KDGKBDIACR)
980COMPATIBLE_IOCTL(KDSKBDIACR)
981COMPATIBLE_IOCTL(KDKBDREP)
982COMPATIBLE_IOCTL(KDGKBLED)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700983COMPATIBLE_IOCTL(KDGETLED)
Randy Dunlap3c3622d2008-07-16 08:52:00 -0500984#ifdef CONFIG_BLOCK
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700985/* Big S */
986COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
987COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
988COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
989COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
990COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
991COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
992COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
993COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
Randy Dunlap3c3622d2008-07-16 08:52:00 -0500994#endif
Atsushi Nemoto3f001712010-01-10 23:29:16 +0900995/* Big V (don't complain on serial console) */
996IGNORE_IOCTL(VT_OPENQRY)
997IGNORE_IOCTL(VT_GETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700998/* Little p (/dev/rtc, /dev/envctrl, etc.) */
999COMPATIBLE_IOCTL(RTC_AIE_ON)
1000COMPATIBLE_IOCTL(RTC_AIE_OFF)
1001COMPATIBLE_IOCTL(RTC_UIE_ON)
1002COMPATIBLE_IOCTL(RTC_UIE_OFF)
1003COMPATIBLE_IOCTL(RTC_PIE_ON)
1004COMPATIBLE_IOCTL(RTC_PIE_OFF)
1005COMPATIBLE_IOCTL(RTC_WIE_ON)
1006COMPATIBLE_IOCTL(RTC_WIE_OFF)
1007COMPATIBLE_IOCTL(RTC_ALM_SET)
1008COMPATIBLE_IOCTL(RTC_ALM_READ)
1009COMPATIBLE_IOCTL(RTC_RD_TIME)
1010COMPATIBLE_IOCTL(RTC_SET_TIME)
1011COMPATIBLE_IOCTL(RTC_WKALM_SET)
1012COMPATIBLE_IOCTL(RTC_WKALM_RD)
1013/*
1014 * These two are only for the sbus rtc driver, but
1015 * hwclock tries them on every rtc device first when
1016 * running on sparc. On other architectures the entries
1017 * are useless but harmless.
1018 */
1019COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
1020COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
1021/* Little m */
1022COMPATIBLE_IOCTL(MTIOCTOP)
1023/* Socket level stuff */
1024COMPATIBLE_IOCTL(FIOQSIZE)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001025#ifdef CONFIG_BLOCK
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001026/* loop */
1027IGNORE_IOCTL(LOOP_CLR_FD)
Arnd Bergmannf79f1182010-02-10 16:14:04 +01001028/* md calls this on random blockdevs */
1029IGNORE_IOCTL(RAID_VERSION)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001030/* SG stuff */
1031COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
1032COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
1033COMPATIBLE_IOCTL(SG_EMULATED_HOST)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001034COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
1035COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
1036COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
1037COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
1038COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
1039COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
1040COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
1041COMPATIBLE_IOCTL(SG_GET_PACK_ID)
1042COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
1043COMPATIBLE_IOCTL(SG_SET_DEBUG)
1044COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
1045COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
1046COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
1047COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
1048COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
1049COMPATIBLE_IOCTL(SG_SCSI_RESET)
1050COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
1051COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
1052COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001053#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001054/* PPP stuff */
1055COMPATIBLE_IOCTL(PPPIOCGFLAGS)
1056COMPATIBLE_IOCTL(PPPIOCSFLAGS)
1057COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
1058COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
1059COMPATIBLE_IOCTL(PPPIOCGUNIT)
1060COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
1061COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
1062COMPATIBLE_IOCTL(PPPIOCGMRU)
1063COMPATIBLE_IOCTL(PPPIOCSMRU)
1064COMPATIBLE_IOCTL(PPPIOCSMAXCID)
1065COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1066COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1067COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1068/* PPPIOCSCOMPRESS is translated */
1069COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1070COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1071COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1072COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1073/* PPPIOCSPASS is translated */
1074/* PPPIOCSACTIVE is translated */
1075/* PPPIOCGIDLE is translated */
1076COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1077COMPATIBLE_IOCTL(PPPIOCATTACH)
1078COMPATIBLE_IOCTL(PPPIOCDETACH)
1079COMPATIBLE_IOCTL(PPPIOCSMRRU)
1080COMPATIBLE_IOCTL(PPPIOCCONNECT)
1081COMPATIBLE_IOCTL(PPPIOCDISCONN)
1082COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1083COMPATIBLE_IOCTL(PPPIOCGCHAN)
1084/* PPPOX */
1085COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1086COMPATIBLE_IOCTL(PPPOEIOCDFWD)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001087/* ppdev */
1088COMPATIBLE_IOCTL(PPSETMODE)
1089COMPATIBLE_IOCTL(PPRSTATUS)
1090COMPATIBLE_IOCTL(PPRCONTROL)
1091COMPATIBLE_IOCTL(PPWCONTROL)
1092COMPATIBLE_IOCTL(PPFCONTROL)
1093COMPATIBLE_IOCTL(PPRDATA)
1094COMPATIBLE_IOCTL(PPWDATA)
1095COMPATIBLE_IOCTL(PPCLAIM)
1096COMPATIBLE_IOCTL(PPRELEASE)
1097COMPATIBLE_IOCTL(PPYIELD)
1098COMPATIBLE_IOCTL(PPEXCL)
1099COMPATIBLE_IOCTL(PPDATADIR)
1100COMPATIBLE_IOCTL(PPNEGOT)
1101COMPATIBLE_IOCTL(PPWCTLONIRQ)
1102COMPATIBLE_IOCTL(PPCLRIRQ)
1103COMPATIBLE_IOCTL(PPSETPHASE)
1104COMPATIBLE_IOCTL(PPGETMODES)
1105COMPATIBLE_IOCTL(PPGETMODE)
1106COMPATIBLE_IOCTL(PPGETPHASE)
1107COMPATIBLE_IOCTL(PPGETFLAGS)
1108COMPATIBLE_IOCTL(PPSETFLAGS)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001109/* Big A */
1110/* sparc only */
1111/* Big Q for sound/OSS */
1112COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1113COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1114COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1115COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1116COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1117COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1118COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1119COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1120COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1121COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1122COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1123COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1124COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1125COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1126COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1127COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1128COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1129COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1130COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1131COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1132COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1133COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1134/* Big T for sound/OSS */
1135COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1136COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1137COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1138COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1139COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1140COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1141COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1142COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1143/* Little m for sound/OSS */
1144COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1145COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1146COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1147/* Big P for sound/OSS */
1148COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1149COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1150COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1151COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1152COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1153COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1154COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1155COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1156COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1157COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1158COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1159COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1160COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1161COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1162COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1163COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1164COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1165COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1166COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1167COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1168/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1169/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1170COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1171COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1172COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1173COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1174COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1175COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1176COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1177COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1178/* Big C for sound/OSS */
1179COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1180COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1181COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1182COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1183COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1184COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1185COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1186COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1187COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1188COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1189/* Big M for sound/OSS */
1190COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1191COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1192COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1193COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1194COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1195COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1196COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1197COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1198COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1199COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1200COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1201COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1202COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1203COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1204COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1205COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1206COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1207COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1208COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1209COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1210COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1211COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1212COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1213COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1214COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1215COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1216/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1217/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1218COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1219COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1220COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1221COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1222COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1223COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1224COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1225COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1226COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1227COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1228COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1229COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1230COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1231COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1232COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1233COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1234COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1235COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1236COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1237COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1238COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1239COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1240COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1241COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1242COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1243COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1244COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1245COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1246COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1247COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1248COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1249/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1250/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1251COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1252COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1253COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1254COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1255COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1256COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1257COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1258COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1259COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1260COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1261COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1262COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1263COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1264COMPATIBLE_IOCTL(OSS_GETVERSION)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001265/* Raw devices */
1266COMPATIBLE_IOCTL(RAW_SETBIND)
1267COMPATIBLE_IOCTL(RAW_GETBIND)
1268/* SMB ioctls which do not need any translations */
1269COMPATIBLE_IOCTL(SMB_IOC_NEWCONN)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001270/* Watchdog */
1271COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1272COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1273COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1274COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1275COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1276COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1277COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1278COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1279/* Big R */
1280COMPATIBLE_IOCTL(RNDGETENTCNT)
1281COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1282COMPATIBLE_IOCTL(RNDGETPOOL)
1283COMPATIBLE_IOCTL(RNDADDENTROPY)
1284COMPATIBLE_IOCTL(RNDZAPENTCNT)
1285COMPATIBLE_IOCTL(RNDCLEARPOOL)
1286/* Bluetooth */
1287COMPATIBLE_IOCTL(HCIDEVUP)
1288COMPATIBLE_IOCTL(HCIDEVDOWN)
1289COMPATIBLE_IOCTL(HCIDEVRESET)
1290COMPATIBLE_IOCTL(HCIDEVRESTAT)
1291COMPATIBLE_IOCTL(HCIGETDEVLIST)
1292COMPATIBLE_IOCTL(HCIGETDEVINFO)
1293COMPATIBLE_IOCTL(HCIGETCONNLIST)
1294COMPATIBLE_IOCTL(HCIGETCONNINFO)
Marcel Holtmann40be4922008-07-14 20:13:50 +02001295COMPATIBLE_IOCTL(HCIGETAUTHINFO)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001296COMPATIBLE_IOCTL(HCISETRAW)
1297COMPATIBLE_IOCTL(HCISETSCAN)
1298COMPATIBLE_IOCTL(HCISETAUTH)
1299COMPATIBLE_IOCTL(HCISETENCRYPT)
1300COMPATIBLE_IOCTL(HCISETPTYPE)
1301COMPATIBLE_IOCTL(HCISETLINKPOL)
1302COMPATIBLE_IOCTL(HCISETLINKMODE)
1303COMPATIBLE_IOCTL(HCISETACLMTU)
1304COMPATIBLE_IOCTL(HCISETSCOMTU)
Johan Hedbergf0358562010-05-18 13:20:32 +02001305COMPATIBLE_IOCTL(HCIBLOCKADDR)
1306COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001307COMPATIBLE_IOCTL(HCIINQUIRY)
1308COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1309COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1310COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1311COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1312COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1313COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1314COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1315COMPATIBLE_IOCTL(BNEPCONNADD)
1316COMPATIBLE_IOCTL(BNEPCONNDEL)
1317COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1318COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1319COMPATIBLE_IOCTL(CMTPCONNADD)
1320COMPATIBLE_IOCTL(CMTPCONNDEL)
1321COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1322COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1323COMPATIBLE_IOCTL(HIDPCONNADD)
1324COMPATIBLE_IOCTL(HIDPCONNDEL)
1325COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1326COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1327/* CAPI */
1328COMPATIBLE_IOCTL(CAPI_REGISTER)
1329COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1330COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1331COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1332COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1333COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1334COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1335COMPATIBLE_IOCTL(CAPI_INSTALLED)
1336COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1337COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1338COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1339COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1340COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1341/* Siemens Gigaset */
1342COMPATIBLE_IOCTL(GIGASET_REDIR)
1343COMPATIBLE_IOCTL(GIGASET_CONFIG)
1344COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1345COMPATIBLE_IOCTL(GIGASET_VERSION)
1346/* Misc. */
1347COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1348COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1349COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1350COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1351COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1352COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001353/* NBD */
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001354COMPATIBLE_IOCTL(NBD_DO_IT)
1355COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1356COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1357COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001358COMPATIBLE_IOCTL(NBD_DISCONNECT)
1359/* i2c */
1360COMPATIBLE_IOCTL(I2C_SLAVE)
1361COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1362COMPATIBLE_IOCTL(I2C_TENBIT)
1363COMPATIBLE_IOCTL(I2C_PEC)
1364COMPATIBLE_IOCTL(I2C_RETRIES)
1365COMPATIBLE_IOCTL(I2C_TIMEOUT)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001366/* hiddev */
1367COMPATIBLE_IOCTL(HIDIOCGVERSION)
1368COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1369COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1370COMPATIBLE_IOCTL(HIDIOCGSTRING)
1371COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1372COMPATIBLE_IOCTL(HIDIOCGREPORT)
1373COMPATIBLE_IOCTL(HIDIOCSREPORT)
1374COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1375COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1376COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1377COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1378COMPATIBLE_IOCTL(HIDIOCGUCODE)
1379COMPATIBLE_IOCTL(HIDIOCGFLAG)
1380COMPATIBLE_IOCTL(HIDIOCSFLAG)
1381COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1382COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1383/* dvb */
1384COMPATIBLE_IOCTL(AUDIO_STOP)
1385COMPATIBLE_IOCTL(AUDIO_PLAY)
1386COMPATIBLE_IOCTL(AUDIO_PAUSE)
1387COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1388COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1389COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1390COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1391COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1392COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1393COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1394COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1395COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1396COMPATIBLE_IOCTL(AUDIO_SET_ID)
1397COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1398COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1399COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1400COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1401COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1402COMPATIBLE_IOCTL(DMX_START)
1403COMPATIBLE_IOCTL(DMX_STOP)
1404COMPATIBLE_IOCTL(DMX_SET_FILTER)
1405COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1406COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1407COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1408COMPATIBLE_IOCTL(DMX_GET_CAPS)
1409COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1410COMPATIBLE_IOCTL(DMX_GET_STC)
1411COMPATIBLE_IOCTL(FE_GET_INFO)
1412COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1413COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1414COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1415COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1416COMPATIBLE_IOCTL(FE_SET_TONE)
1417COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1418COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1419COMPATIBLE_IOCTL(FE_READ_STATUS)
1420COMPATIBLE_IOCTL(FE_READ_BER)
1421COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1422COMPATIBLE_IOCTL(FE_READ_SNR)
1423COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1424COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1425COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1426COMPATIBLE_IOCTL(FE_GET_EVENT)
1427COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1428COMPATIBLE_IOCTL(VIDEO_STOP)
1429COMPATIBLE_IOCTL(VIDEO_PLAY)
1430COMPATIBLE_IOCTL(VIDEO_FREEZE)
1431COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1432COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1433COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1434COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1435COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1436COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1437COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1438COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1439COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1440COMPATIBLE_IOCTL(VIDEO_SET_ID)
1441COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1442COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1443COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1444COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1445COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1446COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1447COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1448COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1449COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1450
Akos Maroy3fee37c2008-01-06 11:15:55 +01001451/* joystick */
1452COMPATIBLE_IOCTL(JSIOCGVERSION)
1453COMPATIBLE_IOCTL(JSIOCGAXES)
1454COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1455COMPATIBLE_IOCTL(JSIOCGNAME(0))
1456
Christoph Hellwig9c0cbd52005-10-30 15:01:41 -08001457#ifdef TIOCGLTC
1458COMPATIBLE_IOCTL(TIOCGLTC)
1459COMPATIBLE_IOCTL(TIOCSLTC)
1460#endif
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001461#ifdef TIOCSTART
1462/*
Adam Buchbinder6070d812009-12-04 15:47:01 -05001463 * For these two we have definitions in ioctls.h and/or termios.h on
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001464 * some architectures but no actual implemention. Some applications
1465 * like bash call them if they are defined in the headers, so we provide
1466 * entries here to avoid syslog message spew.
1467 */
1468COMPATIBLE_IOCTL(TIOCSTART)
1469COMPATIBLE_IOCTL(TIOCSTOP)
1470#endif
Andi Kleenc6b44d12006-01-12 01:05:26 -08001471
Andi Kleen2724b6d2007-05-02 19:27:21 +02001472/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1473 but we don't want warnings on other file systems. So declare
1474 them as compatible here. */
1475#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1476#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1477
1478IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1479IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
Geert Uytterhoeven98701dc2007-07-15 23:42:01 -07001480
David S. Miller81639042007-07-29 00:50:42 -07001481#ifdef CONFIG_SPARC
1482/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1483IGNORE_IOCTL(FBIOGTYPE)
1484IGNORE_IOCTL(FBIOSATTR)
1485IGNORE_IOCTL(FBIOGATTR)
1486IGNORE_IOCTL(FBIOSVIDEO)
1487IGNORE_IOCTL(FBIOGVIDEO)
1488IGNORE_IOCTL(FBIOSCURPOS)
1489IGNORE_IOCTL(FBIOGCURPOS)
1490IGNORE_IOCTL(FBIOGCURMAX)
1491IGNORE_IOCTL(FBIOPUTCMAP32)
1492IGNORE_IOCTL(FBIOGETCMAP32)
1493IGNORE_IOCTL(FBIOSCURSOR32)
1494IGNORE_IOCTL(FBIOGCURSOR32)
1495#endif
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -08001496};
David S. Miller6e87abd2005-11-16 00:52:57 -08001497
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001498/*
1499 * Convert common ioctl arguments based on their command number
1500 *
1501 * Please do not add any code in here. Instead, implement
1502 * a compat_ioctl operation in the place that handleѕ the
1503 * ioctl for the native case.
1504 */
1505static long do_ioctl_trans(int fd, unsigned int cmd,
1506 unsigned long arg, struct file *file)
1507{
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001508 void __user *argp = compat_ptr(arg);
1509
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001510 switch (cmd) {
1511 case PPPIOCGIDLE32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001512 return ppp_gidle(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001513 case PPPIOCSCOMPRESS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001514 return ppp_scompress(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001515 case PPPIOCSPASS32:
1516 case PPPIOCSACTIVE32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001517 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001518#ifdef CONFIG_BLOCK
1519 case SG_IO:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001520 return sg_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001521 case SG_GET_REQUEST_TABLE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001522 return sg_grt_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001523 case MTIOCGET32:
1524 case MTIOCPOS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001525 return mt_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001526 /* Raw devices */
1527 case RAW_SETBIND:
1528 case RAW_GETBIND:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001529 return raw_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001530#endif
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001531 /* One SMB ioctl needs translations. */
1532#define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
1533 case SMB_IOC_GETMOUNTUID_32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001534 return do_smb_getmountuid(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001535 /* Serial */
1536 case TIOCGSERIAL:
1537 case TIOCSSERIAL:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001538 return serial_struct_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001539 /* i2c */
1540 case I2C_FUNCS:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001541 return w_long(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001542 case I2C_RDWR:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001543 return do_i2c_rdwr_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001544 case I2C_SMBUS:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001545 return do_i2c_smbus_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001546 /* Not implemented in the native kernel */
1547 case RTC_IRQP_READ32:
1548 case RTC_IRQP_SET32:
1549 case RTC_EPOCH_READ32:
1550 case RTC_EPOCH_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001551 return rtc_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001552
1553 /* dvb */
1554 case VIDEO_GET_EVENT:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001555 return do_video_get_event(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001556 case VIDEO_STILLPICTURE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001557 return do_video_stillpicture(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001558 case VIDEO_SET_SPU_PALETTE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001559 return do_video_set_spu_palette(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001560 }
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001561
1562 /*
1563 * These take an integer instead of a pointer as 'arg',
1564 * so we must not do a compat_ptr() translation.
1565 */
1566 switch (cmd) {
1567 /* Big T */
1568 case TCSBRKP:
1569 case TIOCMIWAIT:
1570 case TIOCSCTTY:
1571 /* RAID */
1572 case HOT_REMOVE_DISK:
1573 case HOT_ADD_DISK:
1574 case SET_DISK_FAULTY:
1575 case SET_BITMAP_FILE:
1576 /* Big K */
1577 case KDSIGACCEPT:
1578 case KIOCSOUND:
1579 case KDMKTONE:
1580 case KDSETMODE:
1581 case KDSKBMODE:
1582 case KDSKBMETA:
1583 case KDSKBLED:
1584 case KDSETLED:
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001585 /* NBD */
1586 case NBD_SET_SOCK:
1587 case NBD_SET_BLKSIZE:
1588 case NBD_SET_SIZE:
1589 case NBD_SET_SIZE_BLOCKS:
1590 return do_vfs_ioctl(file, fd, cmd, arg);
1591 }
1592
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001593 return -ENOIOCTLCMD;
1594}
1595
Christoph Hellwig6272e262007-05-08 00:29:21 -07001596static void compat_ioctl_error(struct file *filp, unsigned int fd,
1597 unsigned int cmd, unsigned long arg)
1598{
1599 char buf[10];
1600 char *fn = "?";
1601 char *path;
1602
1603 /* find the name of the device. */
1604 path = (char *)__get_free_page(GFP_KERNEL);
1605 if (path) {
Jan Blunckcf28b482008-02-14 19:38:44 -08001606 fn = d_path(&filp->f_path, path, PAGE_SIZE);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001607 if (IS_ERR(fn))
1608 fn = "?";
1609 }
1610
1611 sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);
1612 if (!isprint(buf[1]))
1613 sprintf(buf, "%02x", buf[1]);
1614 compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
1615 "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n",
1616 current->comm, current->pid,
1617 (int)fd, (unsigned int)cmd, buf,
1618 (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,
1619 (unsigned int)arg, fn);
1620
1621 if (path)
1622 free_page((unsigned long)path);
1623}
1624
Arnd Bergmann661f6272009-11-05 19:52:55 +01001625static int compat_ioctl_check_table(unsigned int xcmd)
1626{
1627 int i;
1628 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1629
1630 BUILD_BUG_ON(max >= (1 << 16));
1631
1632 /* guess initial offset into table, assuming a
1633 normalized distribution */
1634 i = ((xcmd >> 16) * max) >> 16;
1635
1636 /* do linear search up first, until greater or equal */
1637 while (ioctl_pointer[i] < xcmd && i < max)
1638 i++;
1639
1640 /* then do linear search down */
1641 while (ioctl_pointer[i] > xcmd && i > 0)
1642 i--;
1643
1644 return ioctl_pointer[i] == xcmd;
1645}
1646
Christoph Hellwig6272e262007-05-08 00:29:21 -07001647asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1648 unsigned long arg)
1649{
1650 struct file *filp;
1651 int error = -EBADF;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001652 int fput_needed;
1653
1654 filp = fget_light(fd, &fput_needed);
1655 if (!filp)
1656 goto out;
1657
1658 /* RED-PEN how should LSM module know it's handling 32bit? */
1659 error = security_file_ioctl(filp, cmd, arg);
1660 if (error)
1661 goto out_fput;
1662
1663 /*
1664 * To allow the compat_ioctl handlers to be self contained
1665 * we need to check the common ioctls here first.
1666 * Just handle them with the standard handlers below.
1667 */
1668 switch (cmd) {
1669 case FIOCLEX:
1670 case FIONCLEX:
1671 case FIONBIO:
1672 case FIOASYNC:
1673 case FIOQSIZE:
1674 break;
1675
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001676#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1677 case FS_IOC_RESVSP_32:
1678 case FS_IOC_RESVSP64_32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001679 error = compat_ioctl_preallocate(filp, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001680 goto out_fput;
1681#else
1682 case FS_IOC_RESVSP:
1683 case FS_IOC_RESVSP64:
Heiko Carstens7779d7b2009-11-11 14:26:34 -08001684 error = ioctl_preallocate(filp, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001685 goto out_fput;
1686#endif
1687
Christoph Hellwig6272e262007-05-08 00:29:21 -07001688 case FIBMAP:
1689 case FIGETBSZ:
1690 case FIONREAD:
1691 if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
1692 break;
1693 /*FALL THROUGH*/
1694
1695 default:
1696 if (filp->f_op && filp->f_op->compat_ioctl) {
1697 error = filp->f_op->compat_ioctl(filp, cmd, arg);
1698 if (error != -ENOIOCTLCMD)
1699 goto out_fput;
1700 }
1701
Arnd Bergmannb19dd422010-07-04 00:15:10 +02001702 if (!filp->f_op || !filp->f_op->unlocked_ioctl)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001703 goto do_ioctl;
1704 break;
1705 }
1706
Arnd Bergmann661f6272009-11-05 19:52:55 +01001707 if (compat_ioctl_check_table(XFORM(cmd)))
1708 goto found_handler;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001709
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001710 error = do_ioctl_trans(fd, cmd, arg, filp);
1711 if (error == -ENOIOCTLCMD) {
Christoph Hellwig6272e262007-05-08 00:29:21 -07001712 static int count;
1713
1714 if (++count <= 50)
1715 compat_ioctl_error(filp, fd, cmd, arg);
1716 error = -EINVAL;
1717 }
1718
1719 goto out_fput;
1720
1721 found_handler:
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001722 arg = (unsigned long)compat_ptr(arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001723 do_ioctl:
Erez Zadokdeb21db2008-02-07 00:13:25 -08001724 error = do_vfs_ioctl(filp, fd, cmd, arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001725 out_fput:
1726 fput_light(filp, fput_needed);
1727 out:
1728 return error;
1729}
1730
Arnd Bergmann661f6272009-11-05 19:52:55 +01001731static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001732{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001733 unsigned int a, b;
1734 a = *(unsigned int *)p;
1735 b = *(unsigned int *)q;
1736 if (a > b)
1737 return 1;
1738 if (a < b)
1739 return -1;
1740 return 0;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001741}
1742
1743static int __init init_sys32_ioctl(void)
1744{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001745 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1746 init_sys32_ioctl_cmp, NULL);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001747 return 0;
1748}
1749__initcall(init_sys32_ioctl);