blob: 641640dc7ae54e7d55a86d4d149ac1ec54d3f92e [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
7 * Copyright (C) 2003 Pavel Machek (pavel@suse.cz)
8 *
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
134static int rw_long(unsigned int fd, unsigned int cmd,
135 compat_ulong_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700136{
137 mm_segment_t old_fs = get_fs();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138 int err;
139 unsigned long val;
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100140
141 if(get_user(val, argp))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 return -EFAULT;
143 set_fs (KERNEL_DS);
144 err = sys_ioctl(fd, cmd, (unsigned long)&val);
145 set_fs (old_fs);
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100146 if (!err && put_user(val, argp))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147 return -EFAULT;
148 return err;
149}
150
David S. Miller6e87abd2005-11-16 00:52:57 -0800151struct compat_video_event {
152 int32_t type;
153 compat_time_t timestamp;
154 union {
155 video_size_t size;
156 unsigned int frame_rate;
157 } u;
158};
159
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100160static int do_video_get_event(unsigned int fd, unsigned int cmd,
161 struct compat_video_event __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800162{
163 struct video_event kevent;
164 mm_segment_t old_fs = get_fs();
165 int err;
166
167 set_fs(KERNEL_DS);
168 err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
169 set_fs(old_fs);
170
171 if (!err) {
David S. Miller6e87abd2005-11-16 00:52:57 -0800172 err = put_user(kevent.type, &up->type);
173 err |= put_user(kevent.timestamp, &up->timestamp);
174 err |= put_user(kevent.u.size.w, &up->u.size.w);
175 err |= put_user(kevent.u.size.h, &up->u.size.h);
176 err |= put_user(kevent.u.size.aspect_ratio,
177 &up->u.size.aspect_ratio);
178 if (err)
179 err = -EFAULT;
180 }
181
182 return err;
183}
184
185struct compat_video_still_picture {
186 compat_uptr_t iFrame;
187 int32_t size;
188};
189
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100190static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
191 struct compat_video_still_picture __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800192{
David S. Miller6e87abd2005-11-16 00:52:57 -0800193 struct video_still_picture __user *up_native;
194 compat_uptr_t fp;
195 int32_t size;
196 int err;
197
David S. Miller6e87abd2005-11-16 00:52:57 -0800198 err = get_user(fp, &up->iFrame);
199 err |= get_user(size, &up->size);
200 if (err)
201 return -EFAULT;
202
203 up_native =
204 compat_alloc_user_space(sizeof(struct video_still_picture));
205
Heiko Carstens7116e992006-12-06 20:36:36 -0800206 err = put_user(compat_ptr(fp), &up_native->iFrame);
207 err |= put_user(size, &up_native->size);
208 if (err)
209 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800210
211 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
212
213 return err;
214}
215
216struct compat_video_spu_palette {
217 int length;
218 compat_uptr_t palette;
219};
220
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100221static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
222 struct compat_video_spu_palette __user *up)
David S. Miller6e87abd2005-11-16 00:52:57 -0800223{
David S. Miller6e87abd2005-11-16 00:52:57 -0800224 struct video_spu_palette __user *up_native;
225 compat_uptr_t palp;
226 int length, err;
227
David S. Miller6e87abd2005-11-16 00:52:57 -0800228 err = get_user(palp, &up->palette);
229 err |= get_user(length, &up->length);
230
231 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
Heiko Carstens7116e992006-12-06 20:36:36 -0800232 err = put_user(compat_ptr(palp), &up_native->palette);
233 err |= put_user(length, &up_native->length);
234 if (err)
235 return -EFAULT;
David S. Miller6e87abd2005-11-16 00:52:57 -0800236
237 err = sys_ioctl(fd, cmd, (unsigned long) up_native);
238
239 return err;
240}
241
David Howells93614012006-09-30 20:45:40 +0200242#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700243typedef struct sg_io_hdr32 {
244 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
245 compat_int_t dxfer_direction; /* [i] data transfer direction */
246 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
247 unsigned char mx_sb_len; /* [i] max length to write to sbp */
248 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
249 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
250 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
251 or scatter gather list */
252 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
253 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
254 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
255 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
256 compat_int_t pack_id; /* [i->o] unused internally (normally) */
257 compat_uptr_t usr_ptr; /* [i->o] unused internally */
258 unsigned char status; /* [o] scsi status */
259 unsigned char masked_status; /* [o] shifted, masked scsi status */
260 unsigned char msg_status; /* [o] messaging level data (optional) */
261 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
262 unsigned short host_status; /* [o] errors from host adapter */
263 unsigned short driver_status; /* [o] errors from software driver */
264 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
265 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
266 compat_uint_t info; /* [o] auxiliary information */
267} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
268
269typedef struct sg_iovec32 {
270 compat_uint_t iov_base;
271 compat_uint_t iov_len;
272} sg_iovec32_t;
273
274static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
275{
276 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
277 sg_iovec32_t __user *iov32 = dxferp;
278 int i;
279
280 for (i = 0; i < iovec_count; i++) {
281 u32 base, len;
282
283 if (get_user(base, &iov32[i].iov_base) ||
284 get_user(len, &iov32[i].iov_len) ||
285 put_user(compat_ptr(base), &iov[i].iov_base) ||
286 put_user(len, &iov[i].iov_len))
287 return -EFAULT;
288 }
289
290 if (put_user(iov, &sgio->dxferp))
291 return -EFAULT;
292 return 0;
293}
294
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100295static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
296 sg_io_hdr32_t __user *sgio32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297{
298 sg_io_hdr_t __user *sgio;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700299 u16 iovec_count;
300 u32 data;
301 void __user *dxferp;
302 int err;
FUJITA Tomonori84eb8fb2010-01-05 19:41:44 +0900303 int interface_id;
304
305 if (get_user(interface_id, &sgio32->interface_id))
306 return -EFAULT;
307 if (interface_id != 'S')
308 return sys_ioctl(fd, cmd, (unsigned long)sgio32);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310 if (get_user(iovec_count, &sgio32->iovec_count))
311 return -EFAULT;
312
313 {
314 void __user *top = compat_alloc_user_space(0);
315 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
316 (iovec_count * sizeof(sg_iovec_t)));
317 if (new > top)
318 return -EINVAL;
319
320 sgio = new;
321 }
322
323 /* Ok, now construct. */
324 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
325 (2 * sizeof(int)) +
326 (2 * sizeof(unsigned char)) +
327 (1 * sizeof(unsigned short)) +
328 (1 * sizeof(unsigned int))))
329 return -EFAULT;
330
331 if (get_user(data, &sgio32->dxferp))
332 return -EFAULT;
333 dxferp = compat_ptr(data);
334 if (iovec_count) {
335 if (sg_build_iovec(sgio, dxferp, iovec_count))
336 return -EFAULT;
337 } else {
338 if (put_user(dxferp, &sgio->dxferp))
339 return -EFAULT;
340 }
341
342 {
343 unsigned char __user *cmdp;
344 unsigned char __user *sbp;
345
346 if (get_user(data, &sgio32->cmdp))
347 return -EFAULT;
348 cmdp = compat_ptr(data);
349
350 if (get_user(data, &sgio32->sbp))
351 return -EFAULT;
352 sbp = compat_ptr(data);
353
354 if (put_user(cmdp, &sgio->cmdp) ||
355 put_user(sbp, &sgio->sbp))
356 return -EFAULT;
357 }
358
359 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
360 3 * sizeof(int)))
361 return -EFAULT;
362
363 if (get_user(data, &sgio32->usr_ptr))
364 return -EFAULT;
365 if (put_user(compat_ptr(data), &sgio->usr_ptr))
366 return -EFAULT;
367
Linus Torvalds1da177e2005-04-16 15:20:36 -0700368 err = sys_ioctl(fd, cmd, (unsigned long) sgio);
369
370 if (err >= 0) {
371 void __user *datap;
372
373 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
374 sizeof(int)) ||
375 get_user(datap, &sgio->usr_ptr) ||
376 put_user((u32)(unsigned long)datap,
377 &sgio32->usr_ptr) ||
378 copy_in_user(&sgio32->status, &sgio->status,
379 (4 * sizeof(unsigned char)) +
380 (2 * sizeof(unsigned short)) +
381 (3 * sizeof(int))))
382 err = -EFAULT;
383 }
384
385 return err;
386}
387
Andi Kleen29663872006-01-11 22:44:03 +0100388struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
389 char req_state;
390 char orphan;
391 char sg_io_owned;
392 char problem;
393 int pack_id;
394 compat_uptr_t usr_ptr;
395 unsigned int duration;
396 int unused;
397};
398
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100399static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
400 compat_sg_req_info __user *o)
Andi Kleen29663872006-01-11 22:44:03 +0100401{
402 int err, i;
Al Viro6b2b4e52006-02-01 06:33:33 -0500403 sg_req_info_t __user *r;
Andi Kleen29663872006-01-11 22:44:03 +0100404 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
405 err = sys_ioctl(fd,cmd,(unsigned long)r);
406 if (err < 0)
407 return err;
408 for (i = 0; i < SG_MAX_QUEUE; i++) {
409 void __user *ptr;
410 int d;
411
412 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
413 get_user(ptr, &r[i].usr_ptr) ||
414 get_user(d, &r[i].duration) ||
415 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
416 put_user(d, &o[i].duration))
417 return -EFAULT;
418 }
419 return err;
420}
David Howells93614012006-09-30 20:45:40 +0200421#endif /* CONFIG_BLOCK */
Andi Kleen29663872006-01-11 22:44:03 +0100422
Linus Torvalds1da177e2005-04-16 15:20:36 -0700423struct sock_fprog32 {
424 unsigned short len;
425 compat_caddr_t filter;
426};
427
428#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
429#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
430
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100431static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
432 struct sock_fprog32 __user *u_fprog32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
435 void __user *fptr64;
436 u32 fptr32;
437 u16 flen;
438
439 if (get_user(flen, &u_fprog32->len) ||
440 get_user(fptr32, &u_fprog32->filter))
441 return -EFAULT;
442
443 fptr64 = compat_ptr(fptr32);
444
445 if (put_user(flen, &u_fprog64->len) ||
446 put_user(fptr64, &u_fprog64->filter))
447 return -EFAULT;
448
449 if (cmd == PPPIOCSPASS32)
450 cmd = PPPIOCSPASS;
451 else
452 cmd = PPPIOCSACTIVE;
453
454 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
455}
456
457struct ppp_option_data32 {
458 compat_caddr_t ptr;
459 u32 length;
460 compat_int_t transmit;
461};
462#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
463
464struct ppp_idle32 {
465 compat_time_t xmit_idle;
466 compat_time_t recv_idle;
467};
468#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
469
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100470static int ppp_gidle(unsigned int fd, unsigned int cmd,
471 struct ppp_idle32 __user *idle32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472{
473 struct ppp_idle __user *idle;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474 __kernel_time_t xmit, recv;
475 int err;
476
477 idle = compat_alloc_user_space(sizeof(*idle));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478
479 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
480
481 if (!err) {
482 if (get_user(xmit, &idle->xmit_idle) ||
483 get_user(recv, &idle->recv_idle) ||
484 put_user(xmit, &idle32->xmit_idle) ||
485 put_user(recv, &idle32->recv_idle))
486 err = -EFAULT;
487 }
488 return err;
489}
490
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100491static int ppp_scompress(unsigned int fd, unsigned int cmd,
492 struct ppp_option_data32 __user *odata32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493{
494 struct ppp_option_data __user *odata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495 __u32 data;
496 void __user *datap;
497
498 odata = compat_alloc_user_space(sizeof(*odata));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499
500 if (get_user(data, &odata32->ptr))
501 return -EFAULT;
502
503 datap = compat_ptr(data);
504 if (put_user(datap, &odata->ptr))
505 return -EFAULT;
506
507 if (copy_in_user(&odata->length, &odata32->length,
508 sizeof(__u32) + sizeof(int)))
509 return -EFAULT;
510
511 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
512}
513
David Howells93614012006-09-30 20:45:40 +0200514#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515struct mtget32 {
516 compat_long_t mt_type;
517 compat_long_t mt_resid;
518 compat_long_t mt_dsreg;
519 compat_long_t mt_gstat;
520 compat_long_t mt_erreg;
521 compat_daddr_t mt_fileno;
522 compat_daddr_t mt_blkno;
523};
524#define MTIOCGET32 _IOR('m', 2, struct mtget32)
525
526struct mtpos32 {
527 compat_long_t mt_blkno;
528};
529#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
530
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100531static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532{
533 mm_segment_t old_fs = get_fs();
534 struct mtget get;
535 struct mtget32 __user *umget32;
536 struct mtpos pos;
537 struct mtpos32 __user *upos32;
538 unsigned long kcmd;
539 void *karg;
540 int err = 0;
541
542 switch(cmd) {
543 case MTIOCPOS32:
544 kcmd = MTIOCPOS;
545 karg = &pos;
546 break;
Andrew Morton45bf5cd2010-03-05 13:43:19 -0800547 default: /* MTIOCGET32 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700548 kcmd = MTIOCGET;
549 karg = &get;
550 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551 }
552 set_fs (KERNEL_DS);
553 err = sys_ioctl (fd, kcmd, (unsigned long)karg);
554 set_fs (old_fs);
555 if (err)
556 return err;
557 switch (cmd) {
558 case MTIOCPOS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100559 upos32 = argp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700560 err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
561 break;
562 case MTIOCGET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100563 umget32 = argp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700564 err = __put_user(get.mt_type, &umget32->mt_type);
565 err |= __put_user(get.mt_resid, &umget32->mt_resid);
566 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
567 err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
568 err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
569 err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
570 err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
571 break;
572 }
573 return err ? -EFAULT: 0;
574}
575
David Howells93614012006-09-30 20:45:40 +0200576#endif /* CONFIG_BLOCK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700577
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100578static int do_smb_getmountuid(unsigned int fd, unsigned int cmd,
579 compat_uid_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580{
581 mm_segment_t old_fs = get_fs();
582 __kernel_uid_t kuid;
583 int err;
584
585 cmd = SMB_IOC_GETMOUNTUID;
586
587 set_fs(KERNEL_DS);
588 err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
589 set_fs(old_fs);
590
591 if (err >= 0)
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100592 err = put_user(kuid, argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700593
594 return err;
595}
596
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100597static int ioc_settimeout(unsigned int fd, unsigned int cmd,
598 compat_ulong_t __user *argp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700599{
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100600 return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601}
602
Linus Torvalds1da177e2005-04-16 15:20:36 -0700603/* Bluetooth ioctls */
604#define HCIUARTSETPROTO _IOW('U', 200, int)
605#define HCIUARTGETPROTO _IOR('U', 201, int)
606
607#define BNEPCONNADD _IOW('B', 200, int)
608#define BNEPCONNDEL _IOW('B', 201, int)
609#define BNEPGETCONNLIST _IOR('B', 210, int)
610#define BNEPGETCONNINFO _IOR('B', 211, int)
611
612#define CMTPCONNADD _IOW('C', 200, int)
613#define CMTPCONNDEL _IOW('C', 201, int)
614#define CMTPGETCONNLIST _IOR('C', 210, int)
615#define CMTPGETCONNINFO _IOR('C', 211, int)
616
617#define HIDPCONNADD _IOW('H', 200, int)
618#define HIDPCONNDEL _IOW('H', 201, int)
619#define HIDPGETCONNLIST _IOR('H', 210, int)
620#define HIDPGETCONNINFO _IOR('H', 211, int)
621
David Howells93614012006-09-30 20:45:40 +0200622#ifdef CONFIG_BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623struct raw32_config_request
624{
625 compat_int_t raw_minor;
626 __u64 block_major;
627 __u64 block_minor;
628} __attribute__((packed));
629
630static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
631{
632 int ret;
633
634 if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
635 return -EFAULT;
636
637 ret = __get_user(req->raw_minor, &user_req->raw_minor);
638 ret |= __get_user(req->block_major, &user_req->block_major);
639 ret |= __get_user(req->block_minor, &user_req->block_minor);
640
641 return ret ? -EFAULT : 0;
642}
643
644static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
645{
646 int ret;
647
648 if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
649 return -EFAULT;
650
651 ret = __put_user(req->raw_minor, &user_req->raw_minor);
652 ret |= __put_user(req->block_major, &user_req->block_major);
653 ret |= __put_user(req->block_minor, &user_req->block_minor);
654
655 return ret ? -EFAULT : 0;
656}
657
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100658static int raw_ioctl(unsigned fd, unsigned cmd,
659 struct raw32_config_request __user *user_req)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660{
661 int ret;
662
663 switch (cmd) {
664 case RAW_SETBIND:
Andrew Morton45bf5cd2010-03-05 13:43:19 -0800665 default: { /* RAW_GETBIND */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666 struct raw_config_request req;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667 mm_segment_t oldfs = get_fs();
668
669 if ((ret = get_raw32_request(&req, user_req)))
670 return ret;
671
672 set_fs(KERNEL_DS);
673 ret = sys_ioctl(fd,cmd,(unsigned long)&req);
674 set_fs(oldfs);
675
676 if ((!ret) && (cmd == RAW_GETBIND)) {
677 ret = set_raw32_request(&req, user_req);
678 }
679 break;
680 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700681 }
682 return ret;
683}
David Howells93614012006-09-30 20:45:40 +0200684#endif /* CONFIG_BLOCK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685
686struct serial_struct32 {
687 compat_int_t type;
688 compat_int_t line;
689 compat_uint_t port;
690 compat_int_t irq;
691 compat_int_t flags;
692 compat_int_t xmit_fifo_size;
693 compat_int_t custom_divisor;
694 compat_int_t baud_base;
695 unsigned short close_delay;
696 char io_type;
697 char reserved_char[1];
698 compat_int_t hub6;
699 unsigned short closing_wait; /* time to wait before closing */
700 unsigned short closing_wait2; /* no longer used... */
701 compat_uint_t iomem_base;
702 unsigned short iomem_reg_shift;
703 unsigned int port_high;
704 /* compat_ulong_t iomap_base FIXME */
705 compat_int_t reserved[1];
706};
707
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100708static int serial_struct_ioctl(unsigned fd, unsigned cmd,
709 struct serial_struct32 __user *ss32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710{
711 typedef struct serial_struct SS;
712 typedef struct serial_struct32 SS32;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713 int err;
714 struct serial_struct ss;
715 mm_segment_t oldseg = get_fs();
716 __u32 udata;
Heiko Carstens7116e992006-12-06 20:36:36 -0800717 unsigned int base;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700718
719 if (cmd == TIOCSSERIAL) {
720 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
721 return -EFAULT;
722 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
723 return -EFAULT;
Heiko Carstens7116e992006-12-06 20:36:36 -0800724 if (__get_user(udata, &ss32->iomem_base))
725 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700726 ss.iomem_base = compat_ptr(udata);
Heiko Carstens7116e992006-12-06 20:36:36 -0800727 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
728 __get_user(ss.port_high, &ss32->port_high))
729 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730 ss.iomap_base = 0UL;
731 }
732 set_fs(KERNEL_DS);
733 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
734 set_fs(oldseg);
735 if (cmd == TIOCGSERIAL && err >= 0) {
736 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
737 return -EFAULT;
738 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
739 return -EFAULT;
Heiko Carstens7116e992006-12-06 20:36:36 -0800740 base = (unsigned long)ss.iomem_base >> 32 ?
741 0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
742 if (__put_user(base, &ss32->iomem_base) ||
743 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
744 __put_user(ss.port_high, &ss32->port_high))
745 return -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700746 }
747 return err;
748}
749
Linus Torvalds1da177e2005-04-16 15:20:36 -0700750/*
751 * I2C layer ioctls
752 */
753
754struct i2c_msg32 {
755 u16 addr;
756 u16 flags;
757 u16 len;
758 compat_caddr_t buf;
759};
760
761struct i2c_rdwr_ioctl_data32 {
762 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
763 u32 nmsgs;
764};
765
766struct i2c_smbus_ioctl_data32 {
767 u8 read_write;
768 u8 command;
769 u32 size;
770 compat_caddr_t data; /* union i2c_smbus_data *data */
771};
772
773struct i2c_rdwr_aligned {
774 struct i2c_rdwr_ioctl_data cmd;
775 struct i2c_msg msgs[0];
776};
777
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100778static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
779 struct i2c_rdwr_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700780{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700781 struct i2c_rdwr_aligned __user *tdata;
782 struct i2c_msg __user *tmsgs;
783 struct i2c_msg32 __user *umsgs;
784 compat_caddr_t datap;
785 int nmsgs, i;
786
787 if (get_user(nmsgs, &udata->nmsgs))
788 return -EFAULT;
789 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
790 return -EINVAL;
791
792 if (get_user(datap, &udata->msgs))
793 return -EFAULT;
794 umsgs = compat_ptr(datap);
795
796 tdata = compat_alloc_user_space(sizeof(*tdata) +
797 nmsgs * sizeof(struct i2c_msg));
798 tmsgs = &tdata->msgs[0];
799
800 if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
801 put_user(tmsgs, &tdata->cmd.msgs))
802 return -EFAULT;
803
804 for (i = 0; i < nmsgs; i++) {
805 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
806 return -EFAULT;
807 if (get_user(datap, &umsgs[i].buf) ||
808 put_user(compat_ptr(datap), &tmsgs[i].buf))
809 return -EFAULT;
810 }
811 return sys_ioctl(fd, cmd, (unsigned long)tdata);
812}
813
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100814static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
815 struct i2c_smbus_ioctl_data32 __user *udata)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700816{
817 struct i2c_smbus_ioctl_data __user *tdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700818 compat_caddr_t datap;
819
820 tdata = compat_alloc_user_space(sizeof(*tdata));
821 if (tdata == NULL)
822 return -ENOMEM;
823 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
824 return -EFAULT;
825
Linus Torvalds1da177e2005-04-16 15:20:36 -0700826 if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
827 return -EFAULT;
828
829 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
830 return -EFAULT;
831 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
832 return -EFAULT;
833 if (__get_user(datap, &udata->data) ||
834 __put_user(compat_ptr(datap), &tdata->data))
835 return -EFAULT;
836
837 return sys_ioctl(fd, cmd, (unsigned long)tdata);
838}
839
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800840#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
841#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
842#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
843#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
844
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100845static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800846{
847 mm_segment_t oldfs = get_fs();
848 compat_ulong_t val32;
849 unsigned long kval;
850 int ret;
851
852 switch (cmd) {
853 case RTC_IRQP_READ32:
854 case RTC_EPOCH_READ32:
855 set_fs(KERNEL_DS);
856 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
857 RTC_IRQP_READ : RTC_EPOCH_READ,
858 (unsigned long)&kval);
859 set_fs(oldfs);
860 if (ret)
861 return ret;
862 val32 = kval;
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100863 return put_user(val32, (unsigned int __user *)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800864 case RTC_IRQP_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100865 return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800866 case RTC_EPOCH_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100867 return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800868 }
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100869
870 return -ENOIOCTLCMD;
Christoph Hellwigec3cad92006-01-09 20:52:11 -0800871}
872
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400873/* on ia32 l_start is on a 32-bit boundary */
874#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
875struct space_resv_32 {
876 __s16 l_type;
877 __s16 l_whence;
878 __s64 l_start __attribute__((packed));
879 /* len == 0 means until end of file */
880 __s64 l_len __attribute__((packed));
881 __s32 l_sysid;
882 __u32 l_pid;
883 __s32 l_pad[4]; /* reserve area */
884};
885
886#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
887#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
888
889/* just account for different alignment */
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +0100890static int compat_ioctl_preallocate(struct file *file,
891 struct space_resv_32 __user *p32)
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400892{
Ankit Jain3e63cbb2009-06-19 14:28:07 -0400893 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
894
895 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
896 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
897 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
898 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
899 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
900 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
901 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
902 return -EFAULT;
903
904 return ioctl_preallocate(file, p);
905}
906#endif
907
Arnd Bergmann661f6272009-11-05 19:52:55 +0100908/*
909 * simple reversible transform to make our table more evenly
910 * distributed after sorting.
911 */
912#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
Christoph Hellwig6272e262007-05-08 00:29:21 -0700913
Arnd Bergmann661f6272009-11-05 19:52:55 +0100914#define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
Andi Kleen421f0282007-05-02 19:27:20 +0200915/* ioctl should not be warned about even if it's not implemented.
916 Valid reasons to use this:
917 - It is implemented with ->compat_ioctl on some device, but programs
918 call it on others too.
919 - The ioctl is not implemented in the native kernel, but programs
920 call it commonly anyways.
921 Most other reasons are not valid. */
922#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -0800923
Arnd Bergmann661f6272009-11-05 19:52:55 +0100924static unsigned int ioctl_pointer[] = {
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700925/* compatible ioctls first */
926COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
927COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
928
929/* Big T */
930COMPATIBLE_IOCTL(TCGETA)
931COMPATIBLE_IOCTL(TCSETA)
932COMPATIBLE_IOCTL(TCSETAW)
933COMPATIBLE_IOCTL(TCSETAF)
934COMPATIBLE_IOCTL(TCSBRK)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700935COMPATIBLE_IOCTL(TCXONC)
936COMPATIBLE_IOCTL(TCFLSH)
937COMPATIBLE_IOCTL(TCGETS)
938COMPATIBLE_IOCTL(TCSETS)
939COMPATIBLE_IOCTL(TCSETSW)
940COMPATIBLE_IOCTL(TCSETSF)
941COMPATIBLE_IOCTL(TIOCLINUX)
942COMPATIBLE_IOCTL(TIOCSBRK)
943COMPATIBLE_IOCTL(TIOCCBRK)
Andreas Schwab4cfbafd2010-02-10 13:56:40 -0800944COMPATIBLE_IOCTL(TIOCGSID)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700945COMPATIBLE_IOCTL(TIOCGICOUNT)
946/* Little t */
947COMPATIBLE_IOCTL(TIOCGETD)
948COMPATIBLE_IOCTL(TIOCSETD)
949COMPATIBLE_IOCTL(TIOCEXCL)
950COMPATIBLE_IOCTL(TIOCNXCL)
951COMPATIBLE_IOCTL(TIOCCONS)
952COMPATIBLE_IOCTL(TIOCGSOFTCAR)
953COMPATIBLE_IOCTL(TIOCSSOFTCAR)
954COMPATIBLE_IOCTL(TIOCSWINSZ)
955COMPATIBLE_IOCTL(TIOCGWINSZ)
956COMPATIBLE_IOCTL(TIOCMGET)
957COMPATIBLE_IOCTL(TIOCMBIC)
958COMPATIBLE_IOCTL(TIOCMBIS)
959COMPATIBLE_IOCTL(TIOCMSET)
960COMPATIBLE_IOCTL(TIOCPKT)
961COMPATIBLE_IOCTL(TIOCNOTTY)
962COMPATIBLE_IOCTL(TIOCSTI)
963COMPATIBLE_IOCTL(TIOCOUTQ)
964COMPATIBLE_IOCTL(TIOCSPGRP)
965COMPATIBLE_IOCTL(TIOCGPGRP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700966COMPATIBLE_IOCTL(TIOCGPTN)
967COMPATIBLE_IOCTL(TIOCSPTLCK)
968COMPATIBLE_IOCTL(TIOCSERGETLSR)
Heiko Carstens81257de2007-11-28 16:22:07 -0800969#ifdef TCGETS2
970COMPATIBLE_IOCTL(TCGETS2)
971COMPATIBLE_IOCTL(TCSETS2)
972COMPATIBLE_IOCTL(TCSETSW2)
973COMPATIBLE_IOCTL(TCSETSF2)
974#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700975/* Little f */
976COMPATIBLE_IOCTL(FIOCLEX)
977COMPATIBLE_IOCTL(FIONCLEX)
978COMPATIBLE_IOCTL(FIOASYNC)
979COMPATIBLE_IOCTL(FIONBIO)
980COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
Eric Sandeen69130c72009-08-06 15:07:37 -0700981COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700982/* 0x00 */
983COMPATIBLE_IOCTL(FIBMAP)
984COMPATIBLE_IOCTL(FIGETBSZ)
Christoph Hellwig5cf8cf42009-02-26 21:32:51 +0100985/* 'X' - originally XFS but some now in the VFS */
986COMPATIBLE_IOCTL(FIFREEZE)
987COMPATIBLE_IOCTL(FITHAW)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700988COMPATIBLE_IOCTL(KDGETKEYCODE)
989COMPATIBLE_IOCTL(KDSETKEYCODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700990COMPATIBLE_IOCTL(KDGKBTYPE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700991COMPATIBLE_IOCTL(KDGETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700992COMPATIBLE_IOCTL(KDGKBMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -0700993COMPATIBLE_IOCTL(KDGKBMETA)
994COMPATIBLE_IOCTL(KDGKBENT)
995COMPATIBLE_IOCTL(KDSKBENT)
996COMPATIBLE_IOCTL(KDGKBSENT)
997COMPATIBLE_IOCTL(KDSKBSENT)
998COMPATIBLE_IOCTL(KDGKBDIACR)
999COMPATIBLE_IOCTL(KDSKBDIACR)
1000COMPATIBLE_IOCTL(KDKBDREP)
1001COMPATIBLE_IOCTL(KDGKBLED)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001002COMPATIBLE_IOCTL(KDGETLED)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001003#ifdef CONFIG_BLOCK
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001004/* Big S */
1005COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
1006COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
1007COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
1008COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
1009COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
1010COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
1011COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
1012COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001013#endif
Atsushi Nemoto3f001712010-01-10 23:29:16 +09001014/* Big V (don't complain on serial console) */
1015IGNORE_IOCTL(VT_OPENQRY)
1016IGNORE_IOCTL(VT_GETMODE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001017/* Little p (/dev/rtc, /dev/envctrl, etc.) */
1018COMPATIBLE_IOCTL(RTC_AIE_ON)
1019COMPATIBLE_IOCTL(RTC_AIE_OFF)
1020COMPATIBLE_IOCTL(RTC_UIE_ON)
1021COMPATIBLE_IOCTL(RTC_UIE_OFF)
1022COMPATIBLE_IOCTL(RTC_PIE_ON)
1023COMPATIBLE_IOCTL(RTC_PIE_OFF)
1024COMPATIBLE_IOCTL(RTC_WIE_ON)
1025COMPATIBLE_IOCTL(RTC_WIE_OFF)
1026COMPATIBLE_IOCTL(RTC_ALM_SET)
1027COMPATIBLE_IOCTL(RTC_ALM_READ)
1028COMPATIBLE_IOCTL(RTC_RD_TIME)
1029COMPATIBLE_IOCTL(RTC_SET_TIME)
1030COMPATIBLE_IOCTL(RTC_WKALM_SET)
1031COMPATIBLE_IOCTL(RTC_WKALM_RD)
1032/*
1033 * These two are only for the sbus rtc driver, but
1034 * hwclock tries them on every rtc device first when
1035 * running on sparc. On other architectures the entries
1036 * are useless but harmless.
1037 */
1038COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
1039COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
1040/* Little m */
1041COMPATIBLE_IOCTL(MTIOCTOP)
1042/* Socket level stuff */
1043COMPATIBLE_IOCTL(FIOQSIZE)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001044#ifdef CONFIG_BLOCK
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001045/* loop */
1046IGNORE_IOCTL(LOOP_CLR_FD)
Arnd Bergmannf79f1182010-02-10 16:14:04 +01001047/* md calls this on random blockdevs */
1048IGNORE_IOCTL(RAID_VERSION)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001049/* SG stuff */
1050COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
1051COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
1052COMPATIBLE_IOCTL(SG_EMULATED_HOST)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001053COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
1054COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
1055COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
1056COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
1057COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
1058COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
1059COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
1060COMPATIBLE_IOCTL(SG_GET_PACK_ID)
1061COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
1062COMPATIBLE_IOCTL(SG_SET_DEBUG)
1063COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
1064COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
1065COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
1066COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
1067COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
1068COMPATIBLE_IOCTL(SG_SCSI_RESET)
1069COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
1070COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
1071COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
Randy Dunlap3c3622d2008-07-16 08:52:00 -05001072#endif
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001073/* PPP stuff */
1074COMPATIBLE_IOCTL(PPPIOCGFLAGS)
1075COMPATIBLE_IOCTL(PPPIOCSFLAGS)
1076COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
1077COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
1078COMPATIBLE_IOCTL(PPPIOCGUNIT)
1079COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
1080COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
1081COMPATIBLE_IOCTL(PPPIOCGMRU)
1082COMPATIBLE_IOCTL(PPPIOCSMRU)
1083COMPATIBLE_IOCTL(PPPIOCSMAXCID)
1084COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1085COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1086COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1087/* PPPIOCSCOMPRESS is translated */
1088COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1089COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1090COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1091COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1092/* PPPIOCSPASS is translated */
1093/* PPPIOCSACTIVE is translated */
1094/* PPPIOCGIDLE is translated */
1095COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1096COMPATIBLE_IOCTL(PPPIOCATTACH)
1097COMPATIBLE_IOCTL(PPPIOCDETACH)
1098COMPATIBLE_IOCTL(PPPIOCSMRRU)
1099COMPATIBLE_IOCTL(PPPIOCCONNECT)
1100COMPATIBLE_IOCTL(PPPIOCDISCONN)
1101COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1102COMPATIBLE_IOCTL(PPPIOCGCHAN)
1103/* PPPOX */
1104COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1105COMPATIBLE_IOCTL(PPPOEIOCDFWD)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001106/* ppdev */
1107COMPATIBLE_IOCTL(PPSETMODE)
1108COMPATIBLE_IOCTL(PPRSTATUS)
1109COMPATIBLE_IOCTL(PPRCONTROL)
1110COMPATIBLE_IOCTL(PPWCONTROL)
1111COMPATIBLE_IOCTL(PPFCONTROL)
1112COMPATIBLE_IOCTL(PPRDATA)
1113COMPATIBLE_IOCTL(PPWDATA)
1114COMPATIBLE_IOCTL(PPCLAIM)
1115COMPATIBLE_IOCTL(PPRELEASE)
1116COMPATIBLE_IOCTL(PPYIELD)
1117COMPATIBLE_IOCTL(PPEXCL)
1118COMPATIBLE_IOCTL(PPDATADIR)
1119COMPATIBLE_IOCTL(PPNEGOT)
1120COMPATIBLE_IOCTL(PPWCTLONIRQ)
1121COMPATIBLE_IOCTL(PPCLRIRQ)
1122COMPATIBLE_IOCTL(PPSETPHASE)
1123COMPATIBLE_IOCTL(PPGETMODES)
1124COMPATIBLE_IOCTL(PPGETMODE)
1125COMPATIBLE_IOCTL(PPGETPHASE)
1126COMPATIBLE_IOCTL(PPGETFLAGS)
1127COMPATIBLE_IOCTL(PPSETFLAGS)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001128/* Big A */
1129/* sparc only */
1130/* Big Q for sound/OSS */
1131COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1132COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1133COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1134COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1135COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1136COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1137COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1138COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1139COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1140COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1141COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1142COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1143COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1144COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1145COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1146COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1147COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1148COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1149COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1150COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1151COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1152COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1153/* Big T for sound/OSS */
1154COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1155COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1156COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1157COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1158COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1159COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1160COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1161COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1162/* Little m for sound/OSS */
1163COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1164COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1165COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1166/* Big P for sound/OSS */
1167COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1168COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1169COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1170COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1171COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1172COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1173COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1174COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1175COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1176COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1177COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1178COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1179COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1180COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1181COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1182COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1183COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1184COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1185COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1186COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1187/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
1188/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
1189COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1190COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1191COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1192COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1193COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1194COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1195COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1196COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1197/* Big C for sound/OSS */
1198COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1199COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1200COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1201COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1202COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1203COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1204COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1205COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1206COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1207COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1208/* Big M for sound/OSS */
1209COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1210COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1211COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1212COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1213COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1214COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1215COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1216COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1217COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1218COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1219COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1220COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1221COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1222COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1223COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1224COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1225COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1226COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1227COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1228COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1229COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1230COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1231COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1232COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1233COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1234COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1235/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1236/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1237COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1238COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1239COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1240COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1241COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1242COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1243COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1244COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1245COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1246COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1247COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1248COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1249COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1250COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1251COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1252COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1253COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1254COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1255COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1256COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1257COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1258COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1259COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1260COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1261COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1262COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1263COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1264COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1265COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1266COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1267COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1268/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1269/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1270COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1271COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1272COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1273COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1274COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1275COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1276COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1277COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1278COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1279COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1280COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1281COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1282COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1283COMPATIBLE_IOCTL(OSS_GETVERSION)
1284/* AUTOFS */
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001285COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC)
1286COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER)
1287COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE)
1288COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI)
1289COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001290COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT)
1291/* Raw devices */
1292COMPATIBLE_IOCTL(RAW_SETBIND)
1293COMPATIBLE_IOCTL(RAW_GETBIND)
1294/* SMB ioctls which do not need any translations */
1295COMPATIBLE_IOCTL(SMB_IOC_NEWCONN)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001296/* Watchdog */
1297COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1298COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1299COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1300COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1301COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1302COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1303COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1304COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1305/* Big R */
1306COMPATIBLE_IOCTL(RNDGETENTCNT)
1307COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1308COMPATIBLE_IOCTL(RNDGETPOOL)
1309COMPATIBLE_IOCTL(RNDADDENTROPY)
1310COMPATIBLE_IOCTL(RNDZAPENTCNT)
1311COMPATIBLE_IOCTL(RNDCLEARPOOL)
1312/* Bluetooth */
1313COMPATIBLE_IOCTL(HCIDEVUP)
1314COMPATIBLE_IOCTL(HCIDEVDOWN)
1315COMPATIBLE_IOCTL(HCIDEVRESET)
1316COMPATIBLE_IOCTL(HCIDEVRESTAT)
1317COMPATIBLE_IOCTL(HCIGETDEVLIST)
1318COMPATIBLE_IOCTL(HCIGETDEVINFO)
1319COMPATIBLE_IOCTL(HCIGETCONNLIST)
1320COMPATIBLE_IOCTL(HCIGETCONNINFO)
Marcel Holtmann40be4922008-07-14 20:13:50 +02001321COMPATIBLE_IOCTL(HCIGETAUTHINFO)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001322COMPATIBLE_IOCTL(HCISETRAW)
1323COMPATIBLE_IOCTL(HCISETSCAN)
1324COMPATIBLE_IOCTL(HCISETAUTH)
1325COMPATIBLE_IOCTL(HCISETENCRYPT)
1326COMPATIBLE_IOCTL(HCISETPTYPE)
1327COMPATIBLE_IOCTL(HCISETLINKPOL)
1328COMPATIBLE_IOCTL(HCISETLINKMODE)
1329COMPATIBLE_IOCTL(HCISETACLMTU)
1330COMPATIBLE_IOCTL(HCISETSCOMTU)
1331COMPATIBLE_IOCTL(HCIINQUIRY)
1332COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1333COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1334COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1335COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1336COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1337COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1338COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1339COMPATIBLE_IOCTL(BNEPCONNADD)
1340COMPATIBLE_IOCTL(BNEPCONNDEL)
1341COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1342COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1343COMPATIBLE_IOCTL(CMTPCONNADD)
1344COMPATIBLE_IOCTL(CMTPCONNDEL)
1345COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1346COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1347COMPATIBLE_IOCTL(HIDPCONNADD)
1348COMPATIBLE_IOCTL(HIDPCONNDEL)
1349COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1350COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1351/* CAPI */
1352COMPATIBLE_IOCTL(CAPI_REGISTER)
1353COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1354COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1355COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1356COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1357COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1358COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1359COMPATIBLE_IOCTL(CAPI_INSTALLED)
1360COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1361COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1362COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1363COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1364COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1365/* Siemens Gigaset */
1366COMPATIBLE_IOCTL(GIGASET_REDIR)
1367COMPATIBLE_IOCTL(GIGASET_CONFIG)
1368COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1369COMPATIBLE_IOCTL(GIGASET_VERSION)
1370/* Misc. */
1371COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1372COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1373COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1374COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1375COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1376COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001377/* NBD */
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001378COMPATIBLE_IOCTL(NBD_DO_IT)
1379COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1380COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1381COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001382COMPATIBLE_IOCTL(NBD_DISCONNECT)
1383/* i2c */
1384COMPATIBLE_IOCTL(I2C_SLAVE)
1385COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1386COMPATIBLE_IOCTL(I2C_TENBIT)
1387COMPATIBLE_IOCTL(I2C_PEC)
1388COMPATIBLE_IOCTL(I2C_RETRIES)
1389COMPATIBLE_IOCTL(I2C_TIMEOUT)
Christoph Hellwig644fd4f2007-05-08 00:29:07 -07001390/* hiddev */
1391COMPATIBLE_IOCTL(HIDIOCGVERSION)
1392COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1393COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1394COMPATIBLE_IOCTL(HIDIOCGSTRING)
1395COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1396COMPATIBLE_IOCTL(HIDIOCGREPORT)
1397COMPATIBLE_IOCTL(HIDIOCSREPORT)
1398COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1399COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1400COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1401COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1402COMPATIBLE_IOCTL(HIDIOCGUCODE)
1403COMPATIBLE_IOCTL(HIDIOCGFLAG)
1404COMPATIBLE_IOCTL(HIDIOCSFLAG)
1405COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1406COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1407/* dvb */
1408COMPATIBLE_IOCTL(AUDIO_STOP)
1409COMPATIBLE_IOCTL(AUDIO_PLAY)
1410COMPATIBLE_IOCTL(AUDIO_PAUSE)
1411COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1412COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1413COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1414COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1415COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1416COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1417COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1418COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1419COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1420COMPATIBLE_IOCTL(AUDIO_SET_ID)
1421COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1422COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1423COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1424COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1425COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1426COMPATIBLE_IOCTL(DMX_START)
1427COMPATIBLE_IOCTL(DMX_STOP)
1428COMPATIBLE_IOCTL(DMX_SET_FILTER)
1429COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1430COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1431COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1432COMPATIBLE_IOCTL(DMX_GET_CAPS)
1433COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1434COMPATIBLE_IOCTL(DMX_GET_STC)
1435COMPATIBLE_IOCTL(FE_GET_INFO)
1436COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1437COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1438COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1439COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1440COMPATIBLE_IOCTL(FE_SET_TONE)
1441COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1442COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1443COMPATIBLE_IOCTL(FE_READ_STATUS)
1444COMPATIBLE_IOCTL(FE_READ_BER)
1445COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1446COMPATIBLE_IOCTL(FE_READ_SNR)
1447COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1448COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1449COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1450COMPATIBLE_IOCTL(FE_GET_EVENT)
1451COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1452COMPATIBLE_IOCTL(VIDEO_STOP)
1453COMPATIBLE_IOCTL(VIDEO_PLAY)
1454COMPATIBLE_IOCTL(VIDEO_FREEZE)
1455COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1456COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1457COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1458COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1459COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1460COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1461COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1462COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1463COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1464COMPATIBLE_IOCTL(VIDEO_SET_ID)
1465COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1466COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1467COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1468COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1469COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1470COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1471COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1472COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1473COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1474
Akos Maroy3fee37c2008-01-06 11:15:55 +01001475/* joystick */
1476COMPATIBLE_IOCTL(JSIOCGVERSION)
1477COMPATIBLE_IOCTL(JSIOCGAXES)
1478COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1479COMPATIBLE_IOCTL(JSIOCGNAME(0))
1480
Christoph Hellwig9c0cbd52005-10-30 15:01:41 -08001481#ifdef TIOCGLTC
1482COMPATIBLE_IOCTL(TIOCGLTC)
1483COMPATIBLE_IOCTL(TIOCSLTC)
1484#endif
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001485#ifdef TIOCSTART
1486/*
Adam Buchbinder6070d812009-12-04 15:47:01 -05001487 * For these two we have definitions in ioctls.h and/or termios.h on
Christoph Hellwig7a81e312005-11-08 21:35:07 -08001488 * some architectures but no actual implemention. Some applications
1489 * like bash call them if they are defined in the headers, so we provide
1490 * entries here to avoid syslog message spew.
1491 */
1492COMPATIBLE_IOCTL(TIOCSTART)
1493COMPATIBLE_IOCTL(TIOCSTOP)
1494#endif
Andi Kleenc6b44d12006-01-12 01:05:26 -08001495
Andi Kleen2724b6d2007-05-02 19:27:21 +02001496/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1497 but we don't want warnings on other file systems. So declare
1498 them as compatible here. */
1499#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1500#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1501
1502IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1503IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
Geert Uytterhoeven98701dc2007-07-15 23:42:01 -07001504
David S. Miller81639042007-07-29 00:50:42 -07001505#ifdef CONFIG_SPARC
1506/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1507IGNORE_IOCTL(FBIOGTYPE)
1508IGNORE_IOCTL(FBIOSATTR)
1509IGNORE_IOCTL(FBIOGATTR)
1510IGNORE_IOCTL(FBIOSVIDEO)
1511IGNORE_IOCTL(FBIOGVIDEO)
1512IGNORE_IOCTL(FBIOSCURPOS)
1513IGNORE_IOCTL(FBIOGCURPOS)
1514IGNORE_IOCTL(FBIOGCURMAX)
1515IGNORE_IOCTL(FBIOPUTCMAP32)
1516IGNORE_IOCTL(FBIOGETCMAP32)
1517IGNORE_IOCTL(FBIOSCURSOR32)
1518IGNORE_IOCTL(FBIOGCURSOR32)
1519#endif
Christoph Hellwige6a6d2e2006-01-09 20:52:14 -08001520};
David S. Miller6e87abd2005-11-16 00:52:57 -08001521
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001522/*
1523 * Convert common ioctl arguments based on their command number
1524 *
1525 * Please do not add any code in here. Instead, implement
1526 * a compat_ioctl operation in the place that handleѕ the
1527 * ioctl for the native case.
1528 */
1529static long do_ioctl_trans(int fd, unsigned int cmd,
1530 unsigned long arg, struct file *file)
1531{
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001532 void __user *argp = compat_ptr(arg);
1533
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001534 switch (cmd) {
1535 case PPPIOCGIDLE32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001536 return ppp_gidle(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001537 case PPPIOCSCOMPRESS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001538 return ppp_scompress(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001539 case PPPIOCSPASS32:
1540 case PPPIOCSACTIVE32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001541 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001542#ifdef CONFIG_BLOCK
1543 case SG_IO:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001544 return sg_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001545 case SG_GET_REQUEST_TABLE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001546 return sg_grt_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001547 case MTIOCGET32:
1548 case MTIOCPOS32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001549 return mt_ioctl_trans(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001550 /* Raw devices */
1551 case RAW_SETBIND:
1552 case RAW_GETBIND:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001553 return raw_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001554#endif
1555#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
1556 case AUTOFS_IOC_SETTIMEOUT32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001557 return ioc_settimeout(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001558 /* One SMB ioctl needs translations. */
1559#define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
1560 case SMB_IOC_GETMOUNTUID_32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001561 return do_smb_getmountuid(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001562 /* Serial */
1563 case TIOCGSERIAL:
1564 case TIOCSSERIAL:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001565 return serial_struct_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001566 /* i2c */
1567 case I2C_FUNCS:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001568 return w_long(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001569 case I2C_RDWR:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001570 return do_i2c_rdwr_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001571 case I2C_SMBUS:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001572 return do_i2c_smbus_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001573 /* Not implemented in the native kernel */
1574 case RTC_IRQP_READ32:
1575 case RTC_IRQP_SET32:
1576 case RTC_EPOCH_READ32:
1577 case RTC_EPOCH_SET32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001578 return rtc_ioctl(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001579
1580 /* dvb */
1581 case VIDEO_GET_EVENT:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001582 return do_video_get_event(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001583 case VIDEO_STILLPICTURE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001584 return do_video_stillpicture(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001585 case VIDEO_SET_SPU_PALETTE:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001586 return do_video_set_spu_palette(fd, cmd, argp);
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001587 }
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001588
1589 /*
1590 * These take an integer instead of a pointer as 'arg',
1591 * so we must not do a compat_ptr() translation.
1592 */
1593 switch (cmd) {
1594 /* Big T */
1595 case TCSBRKP:
1596 case TIOCMIWAIT:
1597 case TIOCSCTTY:
1598 /* RAID */
1599 case HOT_REMOVE_DISK:
1600 case HOT_ADD_DISK:
1601 case SET_DISK_FAULTY:
1602 case SET_BITMAP_FILE:
1603 /* Big K */
1604 case KDSIGACCEPT:
1605 case KIOCSOUND:
1606 case KDMKTONE:
1607 case KDSETMODE:
1608 case KDSKBMODE:
1609 case KDSKBMETA:
1610 case KDSKBLED:
1611 case KDSETLED:
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001612 /* AUTOFS */
1613 case AUTOFS_IOC_READY:
1614 case AUTOFS_IOC_FAIL:
1615 /* NBD */
1616 case NBD_SET_SOCK:
1617 case NBD_SET_BLKSIZE:
1618 case NBD_SET_SIZE:
1619 case NBD_SET_SIZE_BLOCKS:
1620 return do_vfs_ioctl(file, fd, cmd, arg);
1621 }
1622
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001623 return -ENOIOCTLCMD;
1624}
1625
Christoph Hellwig6272e262007-05-08 00:29:21 -07001626static void compat_ioctl_error(struct file *filp, unsigned int fd,
1627 unsigned int cmd, unsigned long arg)
1628{
1629 char buf[10];
1630 char *fn = "?";
1631 char *path;
1632
1633 /* find the name of the device. */
1634 path = (char *)__get_free_page(GFP_KERNEL);
1635 if (path) {
Jan Blunckcf28b482008-02-14 19:38:44 -08001636 fn = d_path(&filp->f_path, path, PAGE_SIZE);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001637 if (IS_ERR(fn))
1638 fn = "?";
1639 }
1640
1641 sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);
1642 if (!isprint(buf[1]))
1643 sprintf(buf, "%02x", buf[1]);
1644 compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
1645 "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n",
1646 current->comm, current->pid,
1647 (int)fd, (unsigned int)cmd, buf,
1648 (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,
1649 (unsigned int)arg, fn);
1650
1651 if (path)
1652 free_page((unsigned long)path);
1653}
1654
Arnd Bergmann661f6272009-11-05 19:52:55 +01001655static int compat_ioctl_check_table(unsigned int xcmd)
1656{
1657 int i;
1658 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1659
1660 BUILD_BUG_ON(max >= (1 << 16));
1661
1662 /* guess initial offset into table, assuming a
1663 normalized distribution */
1664 i = ((xcmd >> 16) * max) >> 16;
1665
1666 /* do linear search up first, until greater or equal */
1667 while (ioctl_pointer[i] < xcmd && i < max)
1668 i++;
1669
1670 /* then do linear search down */
1671 while (ioctl_pointer[i] > xcmd && i > 0)
1672 i--;
1673
1674 return ioctl_pointer[i] == xcmd;
1675}
1676
Christoph Hellwig6272e262007-05-08 00:29:21 -07001677asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1678 unsigned long arg)
1679{
1680 struct file *filp;
1681 int error = -EBADF;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001682 int fput_needed;
1683
1684 filp = fget_light(fd, &fput_needed);
1685 if (!filp)
1686 goto out;
1687
1688 /* RED-PEN how should LSM module know it's handling 32bit? */
1689 error = security_file_ioctl(filp, cmd, arg);
1690 if (error)
1691 goto out_fput;
1692
1693 /*
1694 * To allow the compat_ioctl handlers to be self contained
1695 * we need to check the common ioctls here first.
1696 * Just handle them with the standard handlers below.
1697 */
1698 switch (cmd) {
1699 case FIOCLEX:
1700 case FIONCLEX:
1701 case FIONBIO:
1702 case FIOASYNC:
1703 case FIOQSIZE:
1704 break;
1705
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001706#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1707 case FS_IOC_RESVSP_32:
1708 case FS_IOC_RESVSP64_32:
Arnd Bergmann43c6e7b92009-11-14 23:16:18 +01001709 error = compat_ioctl_preallocate(filp, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001710 goto out_fput;
1711#else
1712 case FS_IOC_RESVSP:
1713 case FS_IOC_RESVSP64:
Heiko Carstens7779d7b2009-11-11 14:26:34 -08001714 error = ioctl_preallocate(filp, compat_ptr(arg));
Ankit Jain3e63cbb2009-06-19 14:28:07 -04001715 goto out_fput;
1716#endif
1717
Christoph Hellwig6272e262007-05-08 00:29:21 -07001718 case FIBMAP:
1719 case FIGETBSZ:
1720 case FIONREAD:
1721 if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
1722 break;
1723 /*FALL THROUGH*/
1724
1725 default:
1726 if (filp->f_op && filp->f_op->compat_ioctl) {
1727 error = filp->f_op->compat_ioctl(filp, cmd, arg);
1728 if (error != -ENOIOCTLCMD)
1729 goto out_fput;
1730 }
1731
1732 if (!filp->f_op ||
1733 (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl))
1734 goto do_ioctl;
1735 break;
1736 }
1737
Arnd Bergmann661f6272009-11-05 19:52:55 +01001738 if (compat_ioctl_check_table(XFORM(cmd)))
1739 goto found_handler;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001740
Arnd Bergmann5a07ea02009-05-21 22:04:16 +00001741 error = do_ioctl_trans(fd, cmd, arg, filp);
1742 if (error == -ENOIOCTLCMD) {
Christoph Hellwig6272e262007-05-08 00:29:21 -07001743 static int count;
1744
1745 if (++count <= 50)
1746 compat_ioctl_error(filp, fd, cmd, arg);
1747 error = -EINVAL;
1748 }
1749
1750 goto out_fput;
1751
1752 found_handler:
Arnd Bergmann789f0f82009-11-05 19:13:51 +01001753 arg = (unsigned long)compat_ptr(arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001754 do_ioctl:
Erez Zadokdeb21db2008-02-07 00:13:25 -08001755 error = do_vfs_ioctl(filp, fd, cmd, arg);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001756 out_fput:
1757 fput_light(filp, fput_needed);
1758 out:
1759 return error;
1760}
1761
Arnd Bergmann661f6272009-11-05 19:52:55 +01001762static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
Christoph Hellwig6272e262007-05-08 00:29:21 -07001763{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001764 unsigned int a, b;
1765 a = *(unsigned int *)p;
1766 b = *(unsigned int *)q;
1767 if (a > b)
1768 return 1;
1769 if (a < b)
1770 return -1;
1771 return 0;
Christoph Hellwig6272e262007-05-08 00:29:21 -07001772}
1773
1774static int __init init_sys32_ioctl(void)
1775{
Arnd Bergmann661f6272009-11-05 19:52:55 +01001776 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1777 init_sys32_ioctl_cmp, NULL);
Christoph Hellwig6272e262007-05-08 00:29:21 -07001778 return 0;
1779}
1780__initcall(init_sys32_ioctl);