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1 /*
2  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
3  *
4  * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
5  * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
6  * Copyright (C) 2001,2002  Andi Kleen, SuSE Labs
7  * Copyright (C) 2003       Pavel Machek (pavel@ucw.cz)
8  *
9  * These routines maintain argument size conversion between 32bit and 64bit
10  * ioctls.
11  */
12 
13 #include <linux/joystick.h>
14 
15 #include <linux/types.h>
16 #include <linux/compat.h>
17 #include <linux/kernel.h>
18 #include <linux/capability.h>
19 #include <linux/compiler.h>
20 #include <linux/sched.h>
21 #include <linux/smp.h>
22 #include <linux/ioctl.h>
23 #include <linux/if.h>
24 #include <linux/if_bridge.h>
25 #include <linux/raid/md_u.h>
26 #include <linux/kd.h>
27 #include <linux/route.h>
28 #include <linux/in6.h>
29 #include <linux/ipv6_route.h>
30 #include <linux/skbuff.h>
31 #include <linux/netlink.h>
32 #include <linux/vt.h>
33 #include <linux/falloc.h>
34 #include <linux/fs.h>
35 #include <linux/file.h>
36 #include <linux/ppp_defs.h>
37 #include <linux/ppp-ioctl.h>
38 #include <linux/if_pppox.h>
39 #include <linux/mtio.h>
40 #include <linux/auto_fs.h>
41 #include <linux/auto_fs4.h>
42 #include <linux/tty.h>
43 #include <linux/vt_kern.h>
44 #include <linux/fb.h>
45 #include <linux/videodev2.h>
46 #include <linux/netdevice.h>
47 #include <linux/raw.h>
48 #include <linux/blkdev.h>
49 #include <linux/elevator.h>
50 #include <linux/rtc.h>
51 #include <linux/pci.h>
52 #include <linux/serial.h>
53 #include <linux/if_tun.h>
54 #include <linux/ctype.h>
55 #include <linux/syscalls.h>
56 #include <linux/i2c.h>
57 #include <linux/i2c-dev.h>
58 #include <linux/atalk.h>
59 #include <linux/gfp.h>
60 
61 #include <net/bluetooth/bluetooth.h>
62 #include <net/bluetooth/hci.h>
63 #include <net/bluetooth/rfcomm.h>
64 
65 #include <linux/capi.h>
66 #include <linux/gigaset_dev.h>
67 
68 #ifdef CONFIG_BLOCK
69 #include <linux/loop.h>
70 #include <linux/cdrom.h>
71 #include <linux/fd.h>
72 #include <scsi/scsi.h>
73 #include <scsi/scsi_ioctl.h>
74 #include <scsi/sg.h>
75 #endif
76 
77 #include <asm/uaccess.h>
78 #include <linux/ethtool.h>
79 #include <linux/mii.h>
80 #include <linux/if_bonding.h>
81 #include <linux/watchdog.h>
82 
83 #include <linux/soundcard.h>
84 #include <linux/lp.h>
85 #include <linux/ppdev.h>
86 
87 #include <linux/atm.h>
88 #include <linux/atmarp.h>
89 #include <linux/atmclip.h>
90 #include <linux/atmdev.h>
91 #include <linux/atmioc.h>
92 #include <linux/atmlec.h>
93 #include <linux/atmmpc.h>
94 #include <linux/atmsvc.h>
95 #include <linux/atm_tcp.h>
96 #include <linux/sonet.h>
97 #include <linux/atm_suni.h>
98 
99 #include <linux/usb.h>
100 #include <linux/usbdevice_fs.h>
101 #include <linux/nbd.h>
102 #include <linux/random.h>
103 #include <linux/filter.h>
104 
105 #include <linux/hiddev.h>
106 
107 #define __DVB_CORE__
108 #include <linux/dvb/audio.h>
109 #include <linux/dvb/dmx.h>
110 #include <linux/dvb/frontend.h>
111 #include <linux/dvb/video.h>
112 
113 #include <linux/sort.h>
114 
115 #ifdef CONFIG_SPARC
116 #include <asm/fbio.h>
117 #endif
118 
w_long(unsigned int fd,unsigned int cmd,compat_ulong_t __user * argp)119 static int w_long(unsigned int fd, unsigned int cmd,
120 		compat_ulong_t __user *argp)
121 {
122 	mm_segment_t old_fs = get_fs();
123 	int err;
124 	unsigned long val;
125 
126 	set_fs (KERNEL_DS);
127 	err = sys_ioctl(fd, cmd, (unsigned long)&val);
128 	set_fs (old_fs);
129 	if (!err && put_user(val, argp))
130 		return -EFAULT;
131 	return err;
132 }
133 
134 struct compat_video_event {
135 	int32_t		type;
136 	compat_time_t	timestamp;
137 	union {
138 	        video_size_t size;
139 		unsigned int frame_rate;
140 	} u;
141 };
142 
do_video_get_event(unsigned int fd,unsigned int cmd,struct compat_video_event __user * up)143 static int do_video_get_event(unsigned int fd, unsigned int cmd,
144 		struct compat_video_event __user *up)
145 {
146 	struct video_event kevent;
147 	mm_segment_t old_fs = get_fs();
148 	int err;
149 
150 	set_fs(KERNEL_DS);
151 	err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
152 	set_fs(old_fs);
153 
154 	if (!err) {
155 		err  = put_user(kevent.type, &up->type);
156 		err |= put_user(kevent.timestamp, &up->timestamp);
157 		err |= put_user(kevent.u.size.w, &up->u.size.w);
158 		err |= put_user(kevent.u.size.h, &up->u.size.h);
159 		err |= put_user(kevent.u.size.aspect_ratio,
160 				&up->u.size.aspect_ratio);
161 		if (err)
162 			err = -EFAULT;
163 	}
164 
165 	return err;
166 }
167 
168 struct compat_video_still_picture {
169         compat_uptr_t iFrame;
170         int32_t size;
171 };
172 
do_video_stillpicture(unsigned int fd,unsigned int cmd,struct compat_video_still_picture __user * up)173 static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
174 	struct compat_video_still_picture __user *up)
175 {
176 	struct video_still_picture __user *up_native;
177 	compat_uptr_t fp;
178 	int32_t size;
179 	int err;
180 
181 	err  = get_user(fp, &up->iFrame);
182 	err |= get_user(size, &up->size);
183 	if (err)
184 		return -EFAULT;
185 
186 	up_native =
187 		compat_alloc_user_space(sizeof(struct video_still_picture));
188 
189 	err =  put_user(compat_ptr(fp), &up_native->iFrame);
190 	err |= put_user(size, &up_native->size);
191 	if (err)
192 		return -EFAULT;
193 
194 	err = sys_ioctl(fd, cmd, (unsigned long) up_native);
195 
196 	return err;
197 }
198 
199 struct compat_video_spu_palette {
200 	int length;
201 	compat_uptr_t palette;
202 };
203 
do_video_set_spu_palette(unsigned int fd,unsigned int cmd,struct compat_video_spu_palette __user * up)204 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
205 		struct compat_video_spu_palette __user *up)
206 {
207 	struct video_spu_palette __user *up_native;
208 	compat_uptr_t palp;
209 	int length, err;
210 
211 	err  = get_user(palp, &up->palette);
212 	err |= get_user(length, &up->length);
213 	if (err)
214 		return -EFAULT;
215 
216 	up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
217 	err  = put_user(compat_ptr(palp), &up_native->palette);
218 	err |= put_user(length, &up_native->length);
219 	if (err)
220 		return -EFAULT;
221 
222 	err = sys_ioctl(fd, cmd, (unsigned long) up_native);
223 
224 	return err;
225 }
226 
227 #ifdef CONFIG_BLOCK
228 typedef struct sg_io_hdr32 {
229 	compat_int_t interface_id;	/* [i] 'S' for SCSI generic (required) */
230 	compat_int_t dxfer_direction;	/* [i] data transfer direction  */
231 	unsigned char cmd_len;		/* [i] SCSI command length ( <= 16 bytes) */
232 	unsigned char mx_sb_len;		/* [i] max length to write to sbp */
233 	unsigned short iovec_count;	/* [i] 0 implies no scatter gather */
234 	compat_uint_t dxfer_len;		/* [i] byte count of data transfer */
235 	compat_uint_t dxferp;		/* [i], [*io] points to data transfer memory
236 					      or scatter gather list */
237 	compat_uptr_t cmdp;		/* [i], [*i] points to command to perform */
238 	compat_uptr_t sbp;		/* [i], [*o] points to sense_buffer memory */
239 	compat_uint_t timeout;		/* [i] MAX_UINT->no timeout (unit: millisec) */
240 	compat_uint_t flags;		/* [i] 0 -> default, see SG_FLAG... */
241 	compat_int_t pack_id;		/* [i->o] unused internally (normally) */
242 	compat_uptr_t usr_ptr;		/* [i->o] unused internally */
243 	unsigned char status;		/* [o] scsi status */
244 	unsigned char masked_status;	/* [o] shifted, masked scsi status */
245 	unsigned char msg_status;		/* [o] messaging level data (optional) */
246 	unsigned char sb_len_wr;		/* [o] byte count actually written to sbp */
247 	unsigned short host_status;	/* [o] errors from host adapter */
248 	unsigned short driver_status;	/* [o] errors from software driver */
249 	compat_int_t resid;		/* [o] dxfer_len - actual_transferred */
250 	compat_uint_t duration;		/* [o] time taken by cmd (unit: millisec) */
251 	compat_uint_t info;		/* [o] auxiliary information */
252 } sg_io_hdr32_t;  /* 64 bytes long (on sparc32) */
253 
254 typedef struct sg_iovec32 {
255 	compat_uint_t iov_base;
256 	compat_uint_t iov_len;
257 } sg_iovec32_t;
258 
sg_build_iovec(sg_io_hdr_t __user * sgio,void __user * dxferp,u16 iovec_count)259 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
260 {
261 	sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
262 	sg_iovec32_t __user *iov32 = dxferp;
263 	int i;
264 
265 	for (i = 0; i < iovec_count; i++) {
266 		u32 base, len;
267 
268 		if (get_user(base, &iov32[i].iov_base) ||
269 		    get_user(len, &iov32[i].iov_len) ||
270 		    put_user(compat_ptr(base), &iov[i].iov_base) ||
271 		    put_user(len, &iov[i].iov_len))
272 			return -EFAULT;
273 	}
274 
275 	if (put_user(iov, &sgio->dxferp))
276 		return -EFAULT;
277 	return 0;
278 }
279 
sg_ioctl_trans(unsigned int fd,unsigned int cmd,sg_io_hdr32_t __user * sgio32)280 static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
281 			sg_io_hdr32_t __user *sgio32)
282 {
283 	sg_io_hdr_t __user *sgio;
284 	u16 iovec_count;
285 	u32 data;
286 	void __user *dxferp;
287 	int err;
288 	int interface_id;
289 
290 	if (get_user(interface_id, &sgio32->interface_id))
291 		return -EFAULT;
292 	if (interface_id != 'S')
293 		return sys_ioctl(fd, cmd, (unsigned long)sgio32);
294 
295 	if (get_user(iovec_count, &sgio32->iovec_count))
296 		return -EFAULT;
297 
298 	{
299 		void __user *top = compat_alloc_user_space(0);
300 		void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
301 				       (iovec_count * sizeof(sg_iovec_t)));
302 		if (new > top)
303 			return -EINVAL;
304 
305 		sgio = new;
306 	}
307 
308 	/* Ok, now construct.  */
309 	if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
310 			 (2 * sizeof(int)) +
311 			 (2 * sizeof(unsigned char)) +
312 			 (1 * sizeof(unsigned short)) +
313 			 (1 * sizeof(unsigned int))))
314 		return -EFAULT;
315 
316 	if (get_user(data, &sgio32->dxferp))
317 		return -EFAULT;
318 	dxferp = compat_ptr(data);
319 	if (iovec_count) {
320 		if (sg_build_iovec(sgio, dxferp, iovec_count))
321 			return -EFAULT;
322 	} else {
323 		if (put_user(dxferp, &sgio->dxferp))
324 			return -EFAULT;
325 	}
326 
327 	{
328 		unsigned char __user *cmdp;
329 		unsigned char __user *sbp;
330 
331 		if (get_user(data, &sgio32->cmdp))
332 			return -EFAULT;
333 		cmdp = compat_ptr(data);
334 
335 		if (get_user(data, &sgio32->sbp))
336 			return -EFAULT;
337 		sbp = compat_ptr(data);
338 
339 		if (put_user(cmdp, &sgio->cmdp) ||
340 		    put_user(sbp, &sgio->sbp))
341 			return -EFAULT;
342 	}
343 
344 	if (copy_in_user(&sgio->timeout, &sgio32->timeout,
345 			 3 * sizeof(int)))
346 		return -EFAULT;
347 
348 	if (get_user(data, &sgio32->usr_ptr))
349 		return -EFAULT;
350 	if (put_user(compat_ptr(data), &sgio->usr_ptr))
351 		return -EFAULT;
352 
353 	err = sys_ioctl(fd, cmd, (unsigned long) sgio);
354 
355 	if (err >= 0) {
356 		void __user *datap;
357 
358 		if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
359 				 sizeof(int)) ||
360 		    get_user(datap, &sgio->usr_ptr) ||
361 		    put_user((u32)(unsigned long)datap,
362 			     &sgio32->usr_ptr) ||
363 		    copy_in_user(&sgio32->status, &sgio->status,
364 				 (4 * sizeof(unsigned char)) +
365 				 (2 * sizeof(unsigned short)) +
366 				 (3 * sizeof(int))))
367 			err = -EFAULT;
368 	}
369 
370 	return err;
371 }
372 
373 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
374 	char req_state;
375 	char orphan;
376 	char sg_io_owned;
377 	char problem;
378 	int pack_id;
379 	compat_uptr_t usr_ptr;
380 	unsigned int duration;
381 	int unused;
382 };
383 
sg_grt_trans(unsigned int fd,unsigned int cmd,struct compat_sg_req_info __user * o)384 static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
385 			compat_sg_req_info __user *o)
386 {
387 	int err, i;
388 	sg_req_info_t __user *r;
389 	r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
390 	err = sys_ioctl(fd,cmd,(unsigned long)r);
391 	if (err < 0)
392 		return err;
393 	for (i = 0; i < SG_MAX_QUEUE; i++) {
394 		void __user *ptr;
395 		int d;
396 
397 		if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
398 		    get_user(ptr, &r[i].usr_ptr) ||
399 		    get_user(d, &r[i].duration) ||
400 		    put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
401 		    put_user(d, &o[i].duration))
402 			return -EFAULT;
403 	}
404 	return err;
405 }
406 #endif /* CONFIG_BLOCK */
407 
408 struct sock_fprog32 {
409 	unsigned short	len;
410 	compat_caddr_t	filter;
411 };
412 
413 #define PPPIOCSPASS32	_IOW('t', 71, struct sock_fprog32)
414 #define PPPIOCSACTIVE32	_IOW('t', 70, struct sock_fprog32)
415 
ppp_sock_fprog_ioctl_trans(unsigned int fd,unsigned int cmd,struct sock_fprog32 __user * u_fprog32)416 static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
417 			struct sock_fprog32 __user *u_fprog32)
418 {
419 	struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
420 	void __user *fptr64;
421 	u32 fptr32;
422 	u16 flen;
423 
424 	if (get_user(flen, &u_fprog32->len) ||
425 	    get_user(fptr32, &u_fprog32->filter))
426 		return -EFAULT;
427 
428 	fptr64 = compat_ptr(fptr32);
429 
430 	if (put_user(flen, &u_fprog64->len) ||
431 	    put_user(fptr64, &u_fprog64->filter))
432 		return -EFAULT;
433 
434 	if (cmd == PPPIOCSPASS32)
435 		cmd = PPPIOCSPASS;
436 	else
437 		cmd = PPPIOCSACTIVE;
438 
439 	return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
440 }
441 
442 struct ppp_option_data32 {
443 	compat_caddr_t	ptr;
444 	u32			length;
445 	compat_int_t		transmit;
446 };
447 #define PPPIOCSCOMPRESS32	_IOW('t', 77, struct ppp_option_data32)
448 
449 struct ppp_idle32 {
450 	compat_time_t xmit_idle;
451 	compat_time_t recv_idle;
452 };
453 #define PPPIOCGIDLE32		_IOR('t', 63, struct ppp_idle32)
454 
ppp_gidle(unsigned int fd,unsigned int cmd,struct ppp_idle32 __user * idle32)455 static int ppp_gidle(unsigned int fd, unsigned int cmd,
456 		struct ppp_idle32 __user *idle32)
457 {
458 	struct ppp_idle __user *idle;
459 	__kernel_time_t xmit, recv;
460 	int err;
461 
462 	idle = compat_alloc_user_space(sizeof(*idle));
463 
464 	err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
465 
466 	if (!err) {
467 		if (get_user(xmit, &idle->xmit_idle) ||
468 		    get_user(recv, &idle->recv_idle) ||
469 		    put_user(xmit, &idle32->xmit_idle) ||
470 		    put_user(recv, &idle32->recv_idle))
471 			err = -EFAULT;
472 	}
473 	return err;
474 }
475 
ppp_scompress(unsigned int fd,unsigned int cmd,struct ppp_option_data32 __user * odata32)476 static int ppp_scompress(unsigned int fd, unsigned int cmd,
477 	struct ppp_option_data32 __user *odata32)
478 {
479 	struct ppp_option_data __user *odata;
480 	__u32 data;
481 	void __user *datap;
482 
483 	odata = compat_alloc_user_space(sizeof(*odata));
484 
485 	if (get_user(data, &odata32->ptr))
486 		return -EFAULT;
487 
488 	datap = compat_ptr(data);
489 	if (put_user(datap, &odata->ptr))
490 		return -EFAULT;
491 
492 	if (copy_in_user(&odata->length, &odata32->length,
493 			 sizeof(__u32) + sizeof(int)))
494 		return -EFAULT;
495 
496 	return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
497 }
498 
499 #ifdef CONFIG_BLOCK
500 struct mtget32 {
501 	compat_long_t	mt_type;
502 	compat_long_t	mt_resid;
503 	compat_long_t	mt_dsreg;
504 	compat_long_t	mt_gstat;
505 	compat_long_t	mt_erreg;
506 	compat_daddr_t	mt_fileno;
507 	compat_daddr_t	mt_blkno;
508 };
509 #define MTIOCGET32	_IOR('m', 2, struct mtget32)
510 
511 struct mtpos32 {
512 	compat_long_t	mt_blkno;
513 };
514 #define MTIOCPOS32	_IOR('m', 3, struct mtpos32)
515 
mt_ioctl_trans(unsigned int fd,unsigned int cmd,void __user * argp)516 static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
517 {
518 	mm_segment_t old_fs = get_fs();
519 	struct mtget get;
520 	struct mtget32 __user *umget32;
521 	struct mtpos pos;
522 	struct mtpos32 __user *upos32;
523 	unsigned long kcmd;
524 	void *karg;
525 	int err = 0;
526 
527 	switch(cmd) {
528 	case MTIOCPOS32:
529 		kcmd = MTIOCPOS;
530 		karg = &pos;
531 		break;
532 	default:	/* MTIOCGET32 */
533 		kcmd = MTIOCGET;
534 		karg = &get;
535 		break;
536 	}
537 	set_fs (KERNEL_DS);
538 	err = sys_ioctl (fd, kcmd, (unsigned long)karg);
539 	set_fs (old_fs);
540 	if (err)
541 		return err;
542 	switch (cmd) {
543 	case MTIOCPOS32:
544 		upos32 = argp;
545 		err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
546 		break;
547 	case MTIOCGET32:
548 		umget32 = argp;
549 		err = __put_user(get.mt_type, &umget32->mt_type);
550 		err |= __put_user(get.mt_resid, &umget32->mt_resid);
551 		err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
552 		err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
553 		err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
554 		err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
555 		err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
556 		break;
557 	}
558 	return err ? -EFAULT: 0;
559 }
560 
561 #endif /* CONFIG_BLOCK */
562 
563 /* Bluetooth ioctls */
564 #define HCIUARTSETPROTO		_IOW('U', 200, int)
565 #define HCIUARTGETPROTO		_IOR('U', 201, int)
566 #define HCIUARTGETDEVICE	_IOR('U', 202, int)
567 #define HCIUARTSETFLAGS		_IOW('U', 203, int)
568 #define HCIUARTGETFLAGS		_IOR('U', 204, int)
569 
570 #define BNEPCONNADD	_IOW('B', 200, int)
571 #define BNEPCONNDEL	_IOW('B', 201, int)
572 #define BNEPGETCONNLIST	_IOR('B', 210, int)
573 #define BNEPGETCONNINFO	_IOR('B', 211, int)
574 
575 #define CMTPCONNADD	_IOW('C', 200, int)
576 #define CMTPCONNDEL	_IOW('C', 201, int)
577 #define CMTPGETCONNLIST	_IOR('C', 210, int)
578 #define CMTPGETCONNINFO	_IOR('C', 211, int)
579 
580 #define HIDPCONNADD	_IOW('H', 200, int)
581 #define HIDPCONNDEL	_IOW('H', 201, int)
582 #define HIDPGETCONNLIST	_IOR('H', 210, int)
583 #define HIDPGETCONNINFO	_IOR('H', 211, int)
584 
585 
586 struct serial_struct32 {
587         compat_int_t    type;
588         compat_int_t    line;
589         compat_uint_t   port;
590         compat_int_t    irq;
591         compat_int_t    flags;
592         compat_int_t    xmit_fifo_size;
593         compat_int_t    custom_divisor;
594         compat_int_t    baud_base;
595         unsigned short  close_delay;
596         char    io_type;
597         char    reserved_char[1];
598         compat_int_t    hub6;
599         unsigned short  closing_wait; /* time to wait before closing */
600         unsigned short  closing_wait2; /* no longer used... */
601         compat_uint_t   iomem_base;
602         unsigned short  iomem_reg_shift;
603         unsigned int    port_high;
604      /* compat_ulong_t  iomap_base FIXME */
605         compat_int_t    reserved[1];
606 };
607 
serial_struct_ioctl(unsigned fd,unsigned cmd,struct serial_struct32 __user * ss32)608 static int serial_struct_ioctl(unsigned fd, unsigned cmd,
609 			struct serial_struct32 __user *ss32)
610 {
611         typedef struct serial_struct32 SS32;
612         int err;
613         struct serial_struct ss;
614         mm_segment_t oldseg = get_fs();
615         __u32 udata;
616 	unsigned int base;
617 
618         if (cmd == TIOCSSERIAL) {
619                 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
620                         return -EFAULT;
621                 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
622 			return -EFAULT;
623                 if (__get_user(udata, &ss32->iomem_base))
624 			return -EFAULT;
625                 ss.iomem_base = compat_ptr(udata);
626                 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
627 		    __get_user(ss.port_high, &ss32->port_high))
628 			return -EFAULT;
629                 ss.iomap_base = 0UL;
630         }
631         set_fs(KERNEL_DS);
632                 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
633         set_fs(oldseg);
634         if (cmd == TIOCGSERIAL && err >= 0) {
635                 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
636                         return -EFAULT;
637                 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
638 			return -EFAULT;
639 		base = (unsigned long)ss.iomem_base  >> 32 ?
640 			0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
641 		if (__put_user(base, &ss32->iomem_base) ||
642 		    __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
643 		    __put_user(ss.port_high, &ss32->port_high))
644 			return -EFAULT;
645         }
646         return err;
647 }
648 
649 /*
650  * I2C layer ioctls
651  */
652 
653 struct i2c_msg32 {
654 	u16 addr;
655 	u16 flags;
656 	u16 len;
657 	compat_caddr_t buf;
658 };
659 
660 struct i2c_rdwr_ioctl_data32 {
661 	compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
662 	u32 nmsgs;
663 };
664 
665 struct i2c_smbus_ioctl_data32 {
666 	u8 read_write;
667 	u8 command;
668 	u32 size;
669 	compat_caddr_t data; /* union i2c_smbus_data *data */
670 };
671 
672 struct i2c_rdwr_aligned {
673 	struct i2c_rdwr_ioctl_data cmd;
674 	struct i2c_msg msgs[0];
675 };
676 
do_i2c_rdwr_ioctl(unsigned int fd,unsigned int cmd,struct i2c_rdwr_ioctl_data32 __user * udata)677 static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
678 			struct i2c_rdwr_ioctl_data32    __user *udata)
679 {
680 	struct i2c_rdwr_aligned		__user *tdata;
681 	struct i2c_msg			__user *tmsgs;
682 	struct i2c_msg32		__user *umsgs;
683 	compat_caddr_t			datap;
684 	int				nmsgs, i;
685 
686 	if (get_user(nmsgs, &udata->nmsgs))
687 		return -EFAULT;
688 	if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
689 		return -EINVAL;
690 
691 	if (get_user(datap, &udata->msgs))
692 		return -EFAULT;
693 	umsgs = compat_ptr(datap);
694 
695 	tdata = compat_alloc_user_space(sizeof(*tdata) +
696 				      nmsgs * sizeof(struct i2c_msg));
697 	tmsgs = &tdata->msgs[0];
698 
699 	if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
700 	    put_user(tmsgs, &tdata->cmd.msgs))
701 		return -EFAULT;
702 
703 	for (i = 0; i < nmsgs; i++) {
704 		if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
705 			return -EFAULT;
706 		if (get_user(datap, &umsgs[i].buf) ||
707 		    put_user(compat_ptr(datap), &tmsgs[i].buf))
708 			return -EFAULT;
709 	}
710 	return sys_ioctl(fd, cmd, (unsigned long)tdata);
711 }
712 
do_i2c_smbus_ioctl(unsigned int fd,unsigned int cmd,struct i2c_smbus_ioctl_data32 __user * udata)713 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
714 			struct i2c_smbus_ioctl_data32   __user *udata)
715 {
716 	struct i2c_smbus_ioctl_data	__user *tdata;
717 	compat_caddr_t			datap;
718 
719 	tdata = compat_alloc_user_space(sizeof(*tdata));
720 	if (tdata == NULL)
721 		return -ENOMEM;
722 	if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
723 		return -EFAULT;
724 
725 	if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
726 		return -EFAULT;
727 
728 	if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
729 		return -EFAULT;
730 	if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
731 		return -EFAULT;
732 	if (__get_user(datap, &udata->data) ||
733 	    __put_user(compat_ptr(datap), &tdata->data))
734 		return -EFAULT;
735 
736 	return sys_ioctl(fd, cmd, (unsigned long)tdata);
737 }
738 
739 #define RTC_IRQP_READ32		_IOR('p', 0x0b, compat_ulong_t)
740 #define RTC_IRQP_SET32		_IOW('p', 0x0c, compat_ulong_t)
741 #define RTC_EPOCH_READ32	_IOR('p', 0x0d, compat_ulong_t)
742 #define RTC_EPOCH_SET32		_IOW('p', 0x0e, compat_ulong_t)
743 
rtc_ioctl(unsigned fd,unsigned cmd,void __user * argp)744 static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
745 {
746 	mm_segment_t oldfs = get_fs();
747 	compat_ulong_t val32;
748 	unsigned long kval;
749 	int ret;
750 
751 	switch (cmd) {
752 	case RTC_IRQP_READ32:
753 	case RTC_EPOCH_READ32:
754 		set_fs(KERNEL_DS);
755 		ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
756 					RTC_IRQP_READ : RTC_EPOCH_READ,
757 					(unsigned long)&kval);
758 		set_fs(oldfs);
759 		if (ret)
760 			return ret;
761 		val32 = kval;
762 		return put_user(val32, (unsigned int __user *)argp);
763 	case RTC_IRQP_SET32:
764 		return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
765 	case RTC_EPOCH_SET32:
766 		return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
767 	}
768 
769 	return -ENOIOCTLCMD;
770 }
771 
772 /* on ia32 l_start is on a 32-bit boundary */
773 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
774 struct space_resv_32 {
775 	__s16		l_type;
776 	__s16		l_whence;
777 	__s64		l_start	__attribute__((packed));
778 			/* len == 0 means until end of file */
779 	__s64		l_len __attribute__((packed));
780 	__s32		l_sysid;
781 	__u32		l_pid;
782 	__s32		l_pad[4];	/* reserve area */
783 };
784 
785 #define FS_IOC_RESVSP_32		_IOW ('X', 40, struct space_resv_32)
786 #define FS_IOC_RESVSP64_32	_IOW ('X', 42, struct space_resv_32)
787 
788 /* just account for different alignment */
compat_ioctl_preallocate(struct file * file,struct space_resv_32 __user * p32)789 static int compat_ioctl_preallocate(struct file *file,
790 			struct space_resv_32    __user *p32)
791 {
792 	struct space_resv	__user *p = compat_alloc_user_space(sizeof(*p));
793 
794 	if (copy_in_user(&p->l_type,	&p32->l_type,	sizeof(s16)) ||
795 	    copy_in_user(&p->l_whence,	&p32->l_whence, sizeof(s16)) ||
796 	    copy_in_user(&p->l_start,	&p32->l_start,	sizeof(s64)) ||
797 	    copy_in_user(&p->l_len,	&p32->l_len,	sizeof(s64)) ||
798 	    copy_in_user(&p->l_sysid,	&p32->l_sysid,	sizeof(s32)) ||
799 	    copy_in_user(&p->l_pid,	&p32->l_pid,	sizeof(u32)) ||
800 	    copy_in_user(&p->l_pad,	&p32->l_pad,	4*sizeof(u32)))
801 		return -EFAULT;
802 
803 	return ioctl_preallocate(file, p);
804 }
805 #endif
806 
807 /*
808  * simple reversible transform to make our table more evenly
809  * distributed after sorting.
810  */
811 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
812 
813 #define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
814 /* ioctl should not be warned about even if it's not implemented.
815    Valid reasons to use this:
816    - It is implemented with ->compat_ioctl on some device, but programs
817    call it on others too.
818    - The ioctl is not implemented in the native kernel, but programs
819    call it commonly anyways.
820    Most other reasons are not valid. */
821 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
822 
823 static unsigned int ioctl_pointer[] = {
824 /* compatible ioctls first */
825 COMPATIBLE_IOCTL(0x4B50)   /* KDGHWCLK - not in the kernel, but don't complain */
826 COMPATIBLE_IOCTL(0x4B51)   /* KDSHWCLK - not in the kernel, but don't complain */
827 
828 /* Big T */
829 COMPATIBLE_IOCTL(TCGETA)
830 COMPATIBLE_IOCTL(TCSETA)
831 COMPATIBLE_IOCTL(TCSETAW)
832 COMPATIBLE_IOCTL(TCSETAF)
833 COMPATIBLE_IOCTL(TCSBRK)
834 COMPATIBLE_IOCTL(TCXONC)
835 COMPATIBLE_IOCTL(TCFLSH)
836 COMPATIBLE_IOCTL(TCGETS)
837 COMPATIBLE_IOCTL(TCSETS)
838 COMPATIBLE_IOCTL(TCSETSW)
839 COMPATIBLE_IOCTL(TCSETSF)
840 COMPATIBLE_IOCTL(TIOCLINUX)
841 COMPATIBLE_IOCTL(TIOCSBRK)
842 COMPATIBLE_IOCTL(TIOCGDEV)
843 COMPATIBLE_IOCTL(TIOCCBRK)
844 COMPATIBLE_IOCTL(TIOCGSID)
845 COMPATIBLE_IOCTL(TIOCGICOUNT)
846 COMPATIBLE_IOCTL(TIOCGPKT)
847 COMPATIBLE_IOCTL(TIOCGPTLCK)
848 COMPATIBLE_IOCTL(TIOCGEXCL)
849 /* Little t */
850 COMPATIBLE_IOCTL(TIOCGETD)
851 COMPATIBLE_IOCTL(TIOCSETD)
852 COMPATIBLE_IOCTL(TIOCEXCL)
853 COMPATIBLE_IOCTL(TIOCNXCL)
854 COMPATIBLE_IOCTL(TIOCCONS)
855 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
856 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
857 COMPATIBLE_IOCTL(TIOCSWINSZ)
858 COMPATIBLE_IOCTL(TIOCGWINSZ)
859 COMPATIBLE_IOCTL(TIOCMGET)
860 COMPATIBLE_IOCTL(TIOCMBIC)
861 COMPATIBLE_IOCTL(TIOCMBIS)
862 COMPATIBLE_IOCTL(TIOCMSET)
863 COMPATIBLE_IOCTL(TIOCPKT)
864 COMPATIBLE_IOCTL(TIOCNOTTY)
865 COMPATIBLE_IOCTL(TIOCSTI)
866 COMPATIBLE_IOCTL(TIOCOUTQ)
867 COMPATIBLE_IOCTL(TIOCSPGRP)
868 COMPATIBLE_IOCTL(TIOCGPGRP)
869 COMPATIBLE_IOCTL(TIOCGPTN)
870 COMPATIBLE_IOCTL(TIOCSPTLCK)
871 COMPATIBLE_IOCTL(TIOCSERGETLSR)
872 COMPATIBLE_IOCTL(TIOCSIG)
873 #ifdef TIOCSRS485
874 COMPATIBLE_IOCTL(TIOCSRS485)
875 #endif
876 #ifdef TIOCGRS485
877 COMPATIBLE_IOCTL(TIOCGRS485)
878 #endif
879 #ifdef TCGETS2
880 COMPATIBLE_IOCTL(TCGETS2)
881 COMPATIBLE_IOCTL(TCSETS2)
882 COMPATIBLE_IOCTL(TCSETSW2)
883 COMPATIBLE_IOCTL(TCSETSF2)
884 #endif
885 /* Little f */
886 COMPATIBLE_IOCTL(FIOCLEX)
887 COMPATIBLE_IOCTL(FIONCLEX)
888 COMPATIBLE_IOCTL(FIOASYNC)
889 COMPATIBLE_IOCTL(FIONBIO)
890 COMPATIBLE_IOCTL(FIONREAD)  /* This is also TIOCINQ */
891 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
892 /* 0x00 */
893 COMPATIBLE_IOCTL(FIBMAP)
894 COMPATIBLE_IOCTL(FIGETBSZ)
895 /* 'X' - originally XFS but some now in the VFS */
896 COMPATIBLE_IOCTL(FIFREEZE)
897 COMPATIBLE_IOCTL(FITHAW)
898 COMPATIBLE_IOCTL(KDGETKEYCODE)
899 COMPATIBLE_IOCTL(KDSETKEYCODE)
900 COMPATIBLE_IOCTL(KDGKBTYPE)
901 COMPATIBLE_IOCTL(KDGETMODE)
902 COMPATIBLE_IOCTL(KDGKBMODE)
903 COMPATIBLE_IOCTL(KDGKBMETA)
904 COMPATIBLE_IOCTL(KDGKBENT)
905 COMPATIBLE_IOCTL(KDSKBENT)
906 COMPATIBLE_IOCTL(KDGKBSENT)
907 COMPATIBLE_IOCTL(KDSKBSENT)
908 COMPATIBLE_IOCTL(KDGKBDIACR)
909 COMPATIBLE_IOCTL(KDSKBDIACR)
910 COMPATIBLE_IOCTL(KDGKBDIACRUC)
911 COMPATIBLE_IOCTL(KDSKBDIACRUC)
912 COMPATIBLE_IOCTL(KDKBDREP)
913 COMPATIBLE_IOCTL(KDGKBLED)
914 COMPATIBLE_IOCTL(KDGETLED)
915 #ifdef CONFIG_BLOCK
916 /* Big S */
917 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
918 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
919 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
920 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
921 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
922 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
923 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
924 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
925 #endif
926 /* Big V (don't complain on serial console) */
927 IGNORE_IOCTL(VT_OPENQRY)
928 IGNORE_IOCTL(VT_GETMODE)
929 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
930 COMPATIBLE_IOCTL(RTC_AIE_ON)
931 COMPATIBLE_IOCTL(RTC_AIE_OFF)
932 COMPATIBLE_IOCTL(RTC_UIE_ON)
933 COMPATIBLE_IOCTL(RTC_UIE_OFF)
934 COMPATIBLE_IOCTL(RTC_PIE_ON)
935 COMPATIBLE_IOCTL(RTC_PIE_OFF)
936 COMPATIBLE_IOCTL(RTC_WIE_ON)
937 COMPATIBLE_IOCTL(RTC_WIE_OFF)
938 COMPATIBLE_IOCTL(RTC_ALM_SET)
939 COMPATIBLE_IOCTL(RTC_ALM_READ)
940 COMPATIBLE_IOCTL(RTC_RD_TIME)
941 COMPATIBLE_IOCTL(RTC_SET_TIME)
942 COMPATIBLE_IOCTL(RTC_WKALM_SET)
943 COMPATIBLE_IOCTL(RTC_WKALM_RD)
944 /*
945  * These two are only for the sbus rtc driver, but
946  * hwclock tries them on every rtc device first when
947  * running on sparc.  On other architectures the entries
948  * are useless but harmless.
949  */
950 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
951 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
952 /* Little m */
953 COMPATIBLE_IOCTL(MTIOCTOP)
954 /* Socket level stuff */
955 COMPATIBLE_IOCTL(FIOQSIZE)
956 #ifdef CONFIG_BLOCK
957 /* loop */
958 IGNORE_IOCTL(LOOP_CLR_FD)
959 /* md calls this on random blockdevs */
960 IGNORE_IOCTL(RAID_VERSION)
961 /* qemu/qemu-img might call these two on plain files for probing */
962 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
963 IGNORE_IOCTL(FDGETPRM32)
964 /* SG stuff */
965 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
966 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
967 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
968 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
969 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
970 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
971 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
972 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
973 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
974 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
975 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
976 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
977 COMPATIBLE_IOCTL(SG_SET_DEBUG)
978 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
979 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
980 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
981 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
982 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
983 COMPATIBLE_IOCTL(SG_SCSI_RESET)
984 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
985 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
986 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
987 #endif
988 /* PPP stuff */
989 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
990 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
991 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
992 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
993 COMPATIBLE_IOCTL(PPPIOCGUNIT)
994 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
995 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
996 COMPATIBLE_IOCTL(PPPIOCGMRU)
997 COMPATIBLE_IOCTL(PPPIOCSMRU)
998 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
999 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
1000 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
1001 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
1002 /* PPPIOCSCOMPRESS is translated */
1003 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
1004 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
1005 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
1006 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
1007 /* PPPIOCSPASS is translated */
1008 /* PPPIOCSACTIVE is translated */
1009 /* PPPIOCGIDLE is translated */
1010 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
1011 COMPATIBLE_IOCTL(PPPIOCATTACH)
1012 COMPATIBLE_IOCTL(PPPIOCDETACH)
1013 COMPATIBLE_IOCTL(PPPIOCSMRRU)
1014 COMPATIBLE_IOCTL(PPPIOCCONNECT)
1015 COMPATIBLE_IOCTL(PPPIOCDISCONN)
1016 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1017 COMPATIBLE_IOCTL(PPPIOCGCHAN)
1018 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
1019 /* PPPOX */
1020 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1021 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
1022 /* ppdev */
1023 COMPATIBLE_IOCTL(PPSETMODE)
1024 COMPATIBLE_IOCTL(PPRSTATUS)
1025 COMPATIBLE_IOCTL(PPRCONTROL)
1026 COMPATIBLE_IOCTL(PPWCONTROL)
1027 COMPATIBLE_IOCTL(PPFCONTROL)
1028 COMPATIBLE_IOCTL(PPRDATA)
1029 COMPATIBLE_IOCTL(PPWDATA)
1030 COMPATIBLE_IOCTL(PPCLAIM)
1031 COMPATIBLE_IOCTL(PPRELEASE)
1032 COMPATIBLE_IOCTL(PPYIELD)
1033 COMPATIBLE_IOCTL(PPEXCL)
1034 COMPATIBLE_IOCTL(PPDATADIR)
1035 COMPATIBLE_IOCTL(PPNEGOT)
1036 COMPATIBLE_IOCTL(PPWCTLONIRQ)
1037 COMPATIBLE_IOCTL(PPCLRIRQ)
1038 COMPATIBLE_IOCTL(PPSETPHASE)
1039 COMPATIBLE_IOCTL(PPGETMODES)
1040 COMPATIBLE_IOCTL(PPGETMODE)
1041 COMPATIBLE_IOCTL(PPGETPHASE)
1042 COMPATIBLE_IOCTL(PPGETFLAGS)
1043 COMPATIBLE_IOCTL(PPSETFLAGS)
1044 /* Big A */
1045 /* sparc only */
1046 /* Big Q for sound/OSS */
1047 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1048 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1049 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1050 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1051 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1052 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1053 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1054 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1055 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1056 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1057 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1058 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1059 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1060 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1061 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1062 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1063 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1064 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1065 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1066 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1067 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1068 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1069 /* Big T for sound/OSS */
1070 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1071 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1072 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1073 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1074 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1075 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1076 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1077 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1078 /* Little m for sound/OSS */
1079 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1080 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1081 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1082 /* Big P for sound/OSS */
1083 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1084 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1085 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1086 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1087 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1088 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1089 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1090 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1091 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1092 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1093 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1094 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1095 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1096 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1097 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1098 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1099 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1100 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1101 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1102 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1103 /* SNDCTL_DSP_MAPINBUF,  XXX needs translation */
1104 /* SNDCTL_DSP_MAPOUTBUF,  XXX needs translation */
1105 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1106 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1107 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1108 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1109 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1110 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1111 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1112 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1113 /* Big C for sound/OSS */
1114 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1115 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1116 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1117 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1118 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1119 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1120 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1121 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1122 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1123 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1124 /* Big M for sound/OSS */
1125 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1126 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1127 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1128 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1129 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1130 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1131 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1132 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1133 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1134 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1135 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1136 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1137 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1138 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1139 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1140 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1141 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1142 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1143 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1144 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1145 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1146 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1147 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1148 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1149 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1150 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1151 /* SOUND_MIXER_READ_ENHANCE,  same value as READ_MUTE */
1152 /* SOUND_MIXER_READ_LOUD,  same value as READ_MUTE */
1153 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1154 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1155 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1156 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1157 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1158 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1159 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1160 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1161 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1162 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1163 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1164 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1165 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1166 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1167 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1168 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1169 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1170 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1171 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1172 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1173 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1174 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1175 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1176 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1177 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1178 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1179 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1180 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1181 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1182 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1183 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1184 /* SOUND_MIXER_WRITE_ENHANCE,  same value as WRITE_MUTE */
1185 /* SOUND_MIXER_WRITE_LOUD,  same value as WRITE_MUTE */
1186 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1187 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1188 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1189 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1190 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1191 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1192 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1193 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1194 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1195 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1196 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1197 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1198 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1199 COMPATIBLE_IOCTL(OSS_GETVERSION)
1200 /* Raw devices */
1201 COMPATIBLE_IOCTL(RAW_SETBIND)
1202 COMPATIBLE_IOCTL(RAW_GETBIND)
1203 /* Watchdog */
1204 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1205 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1206 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1207 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1208 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1209 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1210 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1211 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1212 /* Big R */
1213 COMPATIBLE_IOCTL(RNDGETENTCNT)
1214 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1215 COMPATIBLE_IOCTL(RNDGETPOOL)
1216 COMPATIBLE_IOCTL(RNDADDENTROPY)
1217 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1218 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1219 /* Bluetooth */
1220 COMPATIBLE_IOCTL(HCIDEVUP)
1221 COMPATIBLE_IOCTL(HCIDEVDOWN)
1222 COMPATIBLE_IOCTL(HCIDEVRESET)
1223 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1224 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1225 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1226 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1227 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1228 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1229 COMPATIBLE_IOCTL(HCISETRAW)
1230 COMPATIBLE_IOCTL(HCISETSCAN)
1231 COMPATIBLE_IOCTL(HCISETAUTH)
1232 COMPATIBLE_IOCTL(HCISETENCRYPT)
1233 COMPATIBLE_IOCTL(HCISETPTYPE)
1234 COMPATIBLE_IOCTL(HCISETLINKPOL)
1235 COMPATIBLE_IOCTL(HCISETLINKMODE)
1236 COMPATIBLE_IOCTL(HCISETACLMTU)
1237 COMPATIBLE_IOCTL(HCISETSCOMTU)
1238 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1239 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1240 COMPATIBLE_IOCTL(HCIINQUIRY)
1241 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1242 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1243 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1244 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1245 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1246 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1247 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1248 COMPATIBLE_IOCTL(BNEPCONNADD)
1249 COMPATIBLE_IOCTL(BNEPCONNDEL)
1250 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1251 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1252 COMPATIBLE_IOCTL(CMTPCONNADD)
1253 COMPATIBLE_IOCTL(CMTPCONNDEL)
1254 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1255 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1256 COMPATIBLE_IOCTL(HIDPCONNADD)
1257 COMPATIBLE_IOCTL(HIDPCONNDEL)
1258 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1259 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1260 /* CAPI */
1261 COMPATIBLE_IOCTL(CAPI_REGISTER)
1262 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1263 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1264 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1265 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1266 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1267 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1268 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1269 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1270 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1271 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1272 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1273 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1274 /* Siemens Gigaset */
1275 COMPATIBLE_IOCTL(GIGASET_REDIR)
1276 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1277 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1278 COMPATIBLE_IOCTL(GIGASET_VERSION)
1279 /* Misc. */
1280 COMPATIBLE_IOCTL(0x41545900)		/* ATYIO_CLKR */
1281 COMPATIBLE_IOCTL(0x41545901)		/* ATYIO_CLKW */
1282 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1283 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1284 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1285 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1286 /* NBD */
1287 COMPATIBLE_IOCTL(NBD_DO_IT)
1288 COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1289 COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1290 COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
1291 COMPATIBLE_IOCTL(NBD_DISCONNECT)
1292 /* i2c */
1293 COMPATIBLE_IOCTL(I2C_SLAVE)
1294 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1295 COMPATIBLE_IOCTL(I2C_TENBIT)
1296 COMPATIBLE_IOCTL(I2C_PEC)
1297 COMPATIBLE_IOCTL(I2C_RETRIES)
1298 COMPATIBLE_IOCTL(I2C_TIMEOUT)
1299 /* hiddev */
1300 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1301 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1302 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1303 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1304 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1305 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1306 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1307 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1308 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1309 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1310 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1311 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1312 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1313 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1314 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1315 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1316 /* dvb */
1317 COMPATIBLE_IOCTL(AUDIO_STOP)
1318 COMPATIBLE_IOCTL(AUDIO_PLAY)
1319 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1320 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1321 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1322 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1323 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1324 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1325 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1326 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1327 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1328 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1329 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1330 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1331 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1332 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1333 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1334 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1335 COMPATIBLE_IOCTL(DMX_START)
1336 COMPATIBLE_IOCTL(DMX_STOP)
1337 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1338 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1339 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1340 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1341 COMPATIBLE_IOCTL(DMX_GET_CAPS)
1342 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1343 COMPATIBLE_IOCTL(DMX_GET_STC)
1344 COMPATIBLE_IOCTL(FE_GET_INFO)
1345 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1346 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1347 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1348 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1349 COMPATIBLE_IOCTL(FE_SET_TONE)
1350 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1351 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1352 COMPATIBLE_IOCTL(FE_READ_STATUS)
1353 COMPATIBLE_IOCTL(FE_READ_BER)
1354 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1355 COMPATIBLE_IOCTL(FE_READ_SNR)
1356 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1357 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1358 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1359 COMPATIBLE_IOCTL(FE_GET_EVENT)
1360 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1361 COMPATIBLE_IOCTL(VIDEO_STOP)
1362 COMPATIBLE_IOCTL(VIDEO_PLAY)
1363 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1364 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1365 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1366 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1367 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1368 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1369 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1370 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1371 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1372 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1373 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1374 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1375 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1376 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1377 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1378 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1379 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1380 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1381 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1382 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1383 
1384 /* joystick */
1385 COMPATIBLE_IOCTL(JSIOCGVERSION)
1386 COMPATIBLE_IOCTL(JSIOCGAXES)
1387 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1388 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1389 
1390 #ifdef TIOCGLTC
1391 COMPATIBLE_IOCTL(TIOCGLTC)
1392 COMPATIBLE_IOCTL(TIOCSLTC)
1393 #endif
1394 #ifdef TIOCSTART
1395 /*
1396  * For these two we have definitions in ioctls.h and/or termios.h on
1397  * some architectures but no actual implemention.  Some applications
1398  * like bash call them if they are defined in the headers, so we provide
1399  * entries here to avoid syslog message spew.
1400  */
1401 COMPATIBLE_IOCTL(TIOCSTART)
1402 COMPATIBLE_IOCTL(TIOCSTOP)
1403 #endif
1404 
1405 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1406    but we don't want warnings on other file systems. So declare
1407    them as compatible here. */
1408 #define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
1409 #define VFAT_IOCTL_READDIR_SHORT32      _IOR('r', 2, struct compat_dirent[2])
1410 
1411 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1412 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1413 
1414 #ifdef CONFIG_SPARC
1415 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1416 IGNORE_IOCTL(FBIOGTYPE)
1417 IGNORE_IOCTL(FBIOSATTR)
1418 IGNORE_IOCTL(FBIOGATTR)
1419 IGNORE_IOCTL(FBIOSVIDEO)
1420 IGNORE_IOCTL(FBIOGVIDEO)
1421 IGNORE_IOCTL(FBIOSCURPOS)
1422 IGNORE_IOCTL(FBIOGCURPOS)
1423 IGNORE_IOCTL(FBIOGCURMAX)
1424 IGNORE_IOCTL(FBIOPUTCMAP32)
1425 IGNORE_IOCTL(FBIOGETCMAP32)
1426 IGNORE_IOCTL(FBIOSCURSOR32)
1427 IGNORE_IOCTL(FBIOGCURSOR32)
1428 #endif
1429 };
1430 
1431 /*
1432  * Convert common ioctl arguments based on their command number
1433  *
1434  * Please do not add any code in here. Instead, implement
1435  * a compat_ioctl operation in the place that handleѕ the
1436  * ioctl for the native case.
1437  */
do_ioctl_trans(int fd,unsigned int cmd,unsigned long arg,struct file * file)1438 static long do_ioctl_trans(int fd, unsigned int cmd,
1439 		 unsigned long arg, struct file *file)
1440 {
1441 	void __user *argp = compat_ptr(arg);
1442 
1443 	switch (cmd) {
1444 	case PPPIOCGIDLE32:
1445 		return ppp_gidle(fd, cmd, argp);
1446 	case PPPIOCSCOMPRESS32:
1447 		return ppp_scompress(fd, cmd, argp);
1448 	case PPPIOCSPASS32:
1449 	case PPPIOCSACTIVE32:
1450 		return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
1451 #ifdef CONFIG_BLOCK
1452 	case SG_IO:
1453 		return sg_ioctl_trans(fd, cmd, argp);
1454 	case SG_GET_REQUEST_TABLE:
1455 		return sg_grt_trans(fd, cmd, argp);
1456 	case MTIOCGET32:
1457 	case MTIOCPOS32:
1458 		return mt_ioctl_trans(fd, cmd, argp);
1459 #endif
1460 	/* Serial */
1461 	case TIOCGSERIAL:
1462 	case TIOCSSERIAL:
1463 		return serial_struct_ioctl(fd, cmd, argp);
1464 	/* i2c */
1465 	case I2C_FUNCS:
1466 		return w_long(fd, cmd, argp);
1467 	case I2C_RDWR:
1468 		return do_i2c_rdwr_ioctl(fd, cmd, argp);
1469 	case I2C_SMBUS:
1470 		return do_i2c_smbus_ioctl(fd, cmd, argp);
1471 	/* Not implemented in the native kernel */
1472 	case RTC_IRQP_READ32:
1473 	case RTC_IRQP_SET32:
1474 	case RTC_EPOCH_READ32:
1475 	case RTC_EPOCH_SET32:
1476 		return rtc_ioctl(fd, cmd, argp);
1477 
1478 	/* dvb */
1479 	case VIDEO_GET_EVENT:
1480 		return do_video_get_event(fd, cmd, argp);
1481 	case VIDEO_STILLPICTURE:
1482 		return do_video_stillpicture(fd, cmd, argp);
1483 	case VIDEO_SET_SPU_PALETTE:
1484 		return do_video_set_spu_palette(fd, cmd, argp);
1485 	}
1486 
1487 	/*
1488 	 * These take an integer instead of a pointer as 'arg',
1489 	 * so we must not do a compat_ptr() translation.
1490 	 */
1491 	switch (cmd) {
1492 	/* Big T */
1493 	case TCSBRKP:
1494 	case TIOCMIWAIT:
1495 	case TIOCSCTTY:
1496 	/* RAID */
1497 	case HOT_REMOVE_DISK:
1498 	case HOT_ADD_DISK:
1499 	case SET_DISK_FAULTY:
1500 	case SET_BITMAP_FILE:
1501 	/* Big K */
1502 	case KDSIGACCEPT:
1503 	case KIOCSOUND:
1504 	case KDMKTONE:
1505 	case KDSETMODE:
1506 	case KDSKBMODE:
1507 	case KDSKBMETA:
1508 	case KDSKBLED:
1509 	case KDSETLED:
1510 	/* NBD */
1511 	case NBD_SET_SOCK:
1512 	case NBD_SET_BLKSIZE:
1513 	case NBD_SET_SIZE:
1514 	case NBD_SET_SIZE_BLOCKS:
1515 		return do_vfs_ioctl(file, fd, cmd, arg);
1516 	}
1517 
1518 	return -ENOIOCTLCMD;
1519 }
1520 
compat_ioctl_check_table(unsigned int xcmd)1521 static int compat_ioctl_check_table(unsigned int xcmd)
1522 {
1523 	int i;
1524 	const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1525 
1526 	BUILD_BUG_ON(max >= (1 << 16));
1527 
1528 	/* guess initial offset into table, assuming a
1529 	   normalized distribution */
1530 	i = ((xcmd >> 16) * max) >> 16;
1531 
1532 	/* do linear search up first, until greater or equal */
1533 	while (ioctl_pointer[i] < xcmd && i < max)
1534 		i++;
1535 
1536 	/* then do linear search down */
1537 	while (ioctl_pointer[i] > xcmd && i > 0)
1538 		i--;
1539 
1540 	return ioctl_pointer[i] == xcmd;
1541 }
1542 
compat_sys_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)1543 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1544 				unsigned long arg)
1545 {
1546 	struct fd f = fdget(fd);
1547 	int error = -EBADF;
1548 	if (!f.file)
1549 		goto out;
1550 
1551 	/* RED-PEN how should LSM module know it's handling 32bit? */
1552 	error = security_file_ioctl(f.file, cmd, arg);
1553 	if (error)
1554 		goto out_fput;
1555 
1556 	/*
1557 	 * To allow the compat_ioctl handlers to be self contained
1558 	 * we need to check the common ioctls here first.
1559 	 * Just handle them with the standard handlers below.
1560 	 */
1561 	switch (cmd) {
1562 	case FIOCLEX:
1563 	case FIONCLEX:
1564 	case FIONBIO:
1565 	case FIOASYNC:
1566 	case FIOQSIZE:
1567 		break;
1568 
1569 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1570 	case FS_IOC_RESVSP_32:
1571 	case FS_IOC_RESVSP64_32:
1572 		error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1573 		goto out_fput;
1574 #else
1575 	case FS_IOC_RESVSP:
1576 	case FS_IOC_RESVSP64:
1577 		error = ioctl_preallocate(f.file, compat_ptr(arg));
1578 		goto out_fput;
1579 #endif
1580 
1581 	case FIBMAP:
1582 	case FIGETBSZ:
1583 	case FIONREAD:
1584 		if (S_ISREG(file_inode(f.file)->i_mode))
1585 			break;
1586 		/*FALL THROUGH*/
1587 
1588 	default:
1589 		if (f.file->f_op && f.file->f_op->compat_ioctl) {
1590 			error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1591 			if (error != -ENOIOCTLCMD)
1592 				goto out_fput;
1593 		}
1594 
1595 		if (!f.file->f_op || !f.file->f_op->unlocked_ioctl)
1596 			goto do_ioctl;
1597 		break;
1598 	}
1599 
1600 	if (compat_ioctl_check_table(XFORM(cmd)))
1601 		goto found_handler;
1602 
1603 	error = do_ioctl_trans(fd, cmd, arg, f.file);
1604 	if (error == -ENOIOCTLCMD)
1605 		error = -ENOTTY;
1606 
1607 	goto out_fput;
1608 
1609  found_handler:
1610 	arg = (unsigned long)compat_ptr(arg);
1611  do_ioctl:
1612 	error = do_vfs_ioctl(f.file, fd, cmd, arg);
1613  out_fput:
1614 	fdput(f);
1615  out:
1616 	return error;
1617 }
1618 
init_sys32_ioctl_cmp(const void * p,const void * q)1619 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1620 {
1621 	unsigned int a, b;
1622 	a = *(unsigned int *)p;
1623 	b = *(unsigned int *)q;
1624 	if (a > b)
1625 		return 1;
1626 	if (a < b)
1627 		return -1;
1628 	return 0;
1629 }
1630 
init_sys32_ioctl(void)1631 static int __init init_sys32_ioctl(void)
1632 {
1633 	sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1634 		init_sys32_ioctl_cmp, NULL);
1635 	return 0;
1636 }
1637 __initcall(init_sys32_ioctl);
1638