• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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@suse.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/slab.h>
26 #include <linux/raid/md.h>
27 #include <linux/kd.h>
28 #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>
34 #include <linux/fs.h>
35 #include <linux/file.h>
36 #include <linux/ppp_defs.h>
37 #include <linux/if_ppp.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/videodev.h>
46 #include <linux/netdevice.h>
47 #include <linux/raw.h>
48 #include <linux/smb_fs.h>
49 #include <linux/blkdev.h>
50 #include <linux/elevator.h>
51 #include <linux/rtc.h>
52 #include <linux/pci.h>
53 #include <linux/module.h>
54 #include <linux/serial.h>
55 #include <linux/if_tun.h>
56 #include <linux/ctype.h>
57 #include <linux/syscalls.h>
58 #include <linux/i2c.h>
59 #include <linux/i2c-dev.h>
60 #include <linux/atalk.h>
61 #include <linux/loop.h>
62 
63 #include <net/bluetooth/bluetooth.h>
64 #include <net/bluetooth/hci.h>
65 #include <net/bluetooth/rfcomm.h>
66 
67 #include <linux/capi.h>
68 #include <linux/gigaset_dev.h>
69 
70 #ifdef CONFIG_BLOCK
71 #include <scsi/scsi.h>
72 #include <scsi/scsi_ioctl.h>
73 #include <scsi/sg.h>
74 #endif
75 
76 #include <asm/uaccess.h>
77 #include <linux/ethtool.h>
78 #include <linux/mii.h>
79 #include <linux/if_bonding.h>
80 #include <linux/watchdog.h>
81 
82 #include <linux/soundcard.h>
83 #include <linux/lp.h>
84 #include <linux/ppdev.h>
85 
86 #include <linux/atm.h>
87 #include <linux/atmarp.h>
88 #include <linux/atmclip.h>
89 #include <linux/atmdev.h>
90 #include <linux/atmioc.h>
91 #include <linux/atmlec.h>
92 #include <linux/atmmpc.h>
93 #include <linux/atmsvc.h>
94 #include <linux/atm_tcp.h>
95 #include <linux/sonet.h>
96 #include <linux/atm_suni.h>
97 #include <linux/mtd/mtd.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 #include <linux/pktcdvd.h>
105 
106 #include <linux/hiddev.h>
107 
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 #ifdef CONFIG_SPARC
114 #include <asm/fbio.h>
115 #endif
116 
do_ioctl32_pointer(unsigned int fd,unsigned int cmd,unsigned long arg,struct file * f)117 static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
118 			      unsigned long arg, struct file *f)
119 {
120 	return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
121 }
122 
w_long(unsigned int fd,unsigned int cmd,unsigned long arg)123 static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg)
124 {
125 	mm_segment_t old_fs = get_fs();
126 	int err;
127 	unsigned long val;
128 
129 	set_fs (KERNEL_DS);
130 	err = sys_ioctl(fd, cmd, (unsigned long)&val);
131 	set_fs (old_fs);
132 	if (!err && put_user(val, (u32 __user *)compat_ptr(arg)))
133 		return -EFAULT;
134 	return err;
135 }
136 
rw_long(unsigned int fd,unsigned int cmd,unsigned long arg)137 static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg)
138 {
139 	mm_segment_t old_fs = get_fs();
140 	u32 __user *argptr = compat_ptr(arg);
141 	int err;
142 	unsigned long val;
143 
144 	if(get_user(val, argptr))
145 		return -EFAULT;
146 	set_fs (KERNEL_DS);
147 	err = sys_ioctl(fd, cmd, (unsigned long)&val);
148 	set_fs (old_fs);
149 	if (!err && put_user(val, argptr))
150 		return -EFAULT;
151 	return err;
152 }
153 
154 struct compat_video_event {
155 	int32_t		type;
156 	compat_time_t	timestamp;
157 	union {
158 	        video_size_t size;
159 		unsigned int frame_rate;
160 	} u;
161 };
162 
do_video_get_event(unsigned int fd,unsigned int cmd,unsigned long arg)163 static int do_video_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
164 {
165 	struct video_event kevent;
166 	mm_segment_t old_fs = get_fs();
167 	int err;
168 
169 	set_fs(KERNEL_DS);
170 	err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
171 	set_fs(old_fs);
172 
173 	if (!err) {
174 		struct compat_video_event __user *up = compat_ptr(arg);
175 
176 		err  = put_user(kevent.type, &up->type);
177 		err |= put_user(kevent.timestamp, &up->timestamp);
178 		err |= put_user(kevent.u.size.w, &up->u.size.w);
179 		err |= put_user(kevent.u.size.h, &up->u.size.h);
180 		err |= put_user(kevent.u.size.aspect_ratio,
181 				&up->u.size.aspect_ratio);
182 		if (err)
183 			err = -EFAULT;
184 	}
185 
186 	return err;
187 }
188 
189 struct compat_video_still_picture {
190         compat_uptr_t iFrame;
191         int32_t size;
192 };
193 
do_video_stillpicture(unsigned int fd,unsigned int cmd,unsigned long arg)194 static int do_video_stillpicture(unsigned int fd, unsigned int cmd, unsigned long arg)
195 {
196 	struct compat_video_still_picture __user *up;
197 	struct video_still_picture __user *up_native;
198 	compat_uptr_t fp;
199 	int32_t size;
200 	int err;
201 
202 	up = (struct compat_video_still_picture __user *) arg;
203 	err  = get_user(fp, &up->iFrame);
204 	err |= get_user(size, &up->size);
205 	if (err)
206 		return -EFAULT;
207 
208 	up_native =
209 		compat_alloc_user_space(sizeof(struct video_still_picture));
210 
211 	err =  put_user(compat_ptr(fp), &up_native->iFrame);
212 	err |= put_user(size, &up_native->size);
213 	if (err)
214 		return -EFAULT;
215 
216 	err = sys_ioctl(fd, cmd, (unsigned long) up_native);
217 
218 	return err;
219 }
220 
221 struct compat_video_spu_palette {
222 	int length;
223 	compat_uptr_t palette;
224 };
225 
do_video_set_spu_palette(unsigned int fd,unsigned int cmd,unsigned long arg)226 static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned long arg)
227 {
228 	struct compat_video_spu_palette __user *up;
229 	struct video_spu_palette __user *up_native;
230 	compat_uptr_t palp;
231 	int length, err;
232 
233 	up = (struct compat_video_spu_palette __user *) arg;
234 	err  = get_user(palp, &up->palette);
235 	err |= get_user(length, &up->length);
236 
237 	up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
238 	err  = put_user(compat_ptr(palp), &up_native->palette);
239 	err |= put_user(length, &up_native->length);
240 	if (err)
241 		return -EFAULT;
242 
243 	err = sys_ioctl(fd, cmd, (unsigned long) up_native);
244 
245 	return err;
246 }
247 
248 #ifdef CONFIG_NET
do_siocgstamp(unsigned int fd,unsigned int cmd,unsigned long arg)249 static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
250 {
251 	struct compat_timeval __user *up = compat_ptr(arg);
252 	struct timeval ktv;
253 	mm_segment_t old_fs = get_fs();
254 	int err;
255 
256 	set_fs(KERNEL_DS);
257 	err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
258 	set_fs(old_fs);
259 	if(!err) {
260 		err = put_user(ktv.tv_sec, &up->tv_sec);
261 		err |= __put_user(ktv.tv_usec, &up->tv_usec);
262 	}
263 	return err;
264 }
265 
do_siocgstampns(unsigned int fd,unsigned int cmd,unsigned long arg)266 static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
267 {
268 	struct compat_timespec __user *up = compat_ptr(arg);
269 	struct timespec kts;
270 	mm_segment_t old_fs = get_fs();
271 	int err;
272 
273 	set_fs(KERNEL_DS);
274 	err = sys_ioctl(fd, cmd, (unsigned long)&kts);
275 	set_fs(old_fs);
276 	if (!err) {
277 		err = put_user(kts.tv_sec, &up->tv_sec);
278 		err |= __put_user(kts.tv_nsec, &up->tv_nsec);
279 	}
280 	return err;
281 }
282 
283 struct ifmap32 {
284 	compat_ulong_t mem_start;
285 	compat_ulong_t mem_end;
286 	unsigned short base_addr;
287 	unsigned char irq;
288 	unsigned char dma;
289 	unsigned char port;
290 };
291 
292 struct ifreq32 {
293 #define IFHWADDRLEN     6
294 #define IFNAMSIZ        16
295         union {
296                 char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
297         } ifr_ifrn;
298         union {
299                 struct  sockaddr ifru_addr;
300                 struct  sockaddr ifru_dstaddr;
301                 struct  sockaddr ifru_broadaddr;
302                 struct  sockaddr ifru_netmask;
303                 struct  sockaddr ifru_hwaddr;
304                 short   ifru_flags;
305                 compat_int_t     ifru_ivalue;
306                 compat_int_t     ifru_mtu;
307                 struct  ifmap32 ifru_map;
308                 char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
309 		char	ifru_newname[IFNAMSIZ];
310                 compat_caddr_t ifru_data;
311 	    /* XXXX? ifru_settings should be here */
312         } ifr_ifru;
313 };
314 
315 struct ifconf32 {
316         compat_int_t	ifc_len;                        /* size of buffer       */
317         compat_caddr_t  ifcbuf;
318 };
319 
dev_ifname32(unsigned int fd,unsigned int cmd,unsigned long arg)320 static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
321 {
322 	struct ifreq __user *uifr;
323 	int err;
324 
325 	uifr = compat_alloc_user_space(sizeof(struct ifreq));
326 	if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)))
327 		return -EFAULT;
328 
329 	err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr);
330 	if (err)
331 		return err;
332 
333 	if (copy_in_user(compat_ptr(arg), uifr, sizeof(struct ifreq32)))
334 		return -EFAULT;
335 
336 	return 0;
337 }
338 
dev_ifconf(unsigned int fd,unsigned int cmd,unsigned long arg)339 static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
340 {
341 	struct ifconf32 ifc32;
342 	struct ifconf ifc;
343 	struct ifconf __user *uifc;
344 	struct ifreq32 __user *ifr32;
345 	struct ifreq __user *ifr;
346 	unsigned int i, j;
347 	int err;
348 
349 	if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
350 		return -EFAULT;
351 
352 	if (ifc32.ifcbuf == 0) {
353 		ifc32.ifc_len = 0;
354 		ifc.ifc_len = 0;
355 		ifc.ifc_req = NULL;
356 		uifc = compat_alloc_user_space(sizeof(struct ifconf));
357 	} else {
358 		size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
359 			sizeof (struct ifreq);
360 		uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
361 		ifc.ifc_len = len;
362 		ifr = ifc.ifc_req = (void __user *)(uifc + 1);
363 		ifr32 = compat_ptr(ifc32.ifcbuf);
364 		for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
365 			if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
366 				return -EFAULT;
367 			ifr++;
368 			ifr32++;
369 		}
370 	}
371 	if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
372 		return -EFAULT;
373 
374 	err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);
375 	if (err)
376 		return err;
377 
378 	if (copy_from_user(&ifc, uifc, sizeof(struct ifconf)))
379 		return -EFAULT;
380 
381 	ifr = ifc.ifc_req;
382 	ifr32 = compat_ptr(ifc32.ifcbuf);
383 	for (i = 0, j = 0;
384              i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
385 	     i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
386 		if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
387 			return -EFAULT;
388 		ifr32++;
389 		ifr++;
390 	}
391 
392 	if (ifc32.ifcbuf == 0) {
393 		/* Translate from 64-bit structure multiple to
394 		 * a 32-bit one.
395 		 */
396 		i = ifc.ifc_len;
397 		i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
398 		ifc32.ifc_len = i;
399 	} else {
400 		ifc32.ifc_len = i;
401 	}
402 	if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
403 		return -EFAULT;
404 
405 	return 0;
406 }
407 
ethtool_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)408 static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
409 {
410 	struct ifreq __user *ifr;
411 	struct ifreq32 __user *ifr32;
412 	u32 data;
413 	void __user *datap;
414 
415 	ifr = compat_alloc_user_space(sizeof(*ifr));
416 	ifr32 = compat_ptr(arg);
417 
418 	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
419 		return -EFAULT;
420 
421 	if (get_user(data, &ifr32->ifr_ifru.ifru_data))
422 		return -EFAULT;
423 
424 	datap = compat_ptr(data);
425 	if (put_user(datap, &ifr->ifr_ifru.ifru_data))
426 		return -EFAULT;
427 
428 	return sys_ioctl(fd, cmd, (unsigned long) ifr);
429 }
430 
bond_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)431 static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
432 {
433 	struct ifreq kifr;
434 	struct ifreq __user *uifr;
435 	struct ifreq32 __user *ifr32 = compat_ptr(arg);
436 	mm_segment_t old_fs;
437 	int err;
438 	u32 data;
439 	void __user *datap;
440 
441 	switch (cmd) {
442 	case SIOCBONDENSLAVE:
443 	case SIOCBONDRELEASE:
444 	case SIOCBONDSETHWADDR:
445 	case SIOCBONDCHANGEACTIVE:
446 		if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
447 			return -EFAULT;
448 
449 		old_fs = get_fs();
450 		set_fs (KERNEL_DS);
451 		err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
452 		set_fs (old_fs);
453 
454 		return err;
455 	case SIOCBONDSLAVEINFOQUERY:
456 	case SIOCBONDINFOQUERY:
457 		uifr = compat_alloc_user_space(sizeof(*uifr));
458 		if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
459 			return -EFAULT;
460 
461 		if (get_user(data, &ifr32->ifr_ifru.ifru_data))
462 			return -EFAULT;
463 
464 		datap = compat_ptr(data);
465 		if (put_user(datap, &uifr->ifr_ifru.ifru_data))
466 			return -EFAULT;
467 
468 		return sys_ioctl (fd, cmd, (unsigned long)uifr);
469 	default:
470 		return -EINVAL;
471 	};
472 }
473 
siocdevprivate_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)474 static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
475 {
476 	struct ifreq __user *u_ifreq64;
477 	struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
478 	char tmp_buf[IFNAMSIZ];
479 	void __user *data64;
480 	u32 data32;
481 
482 	if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
483 			   IFNAMSIZ))
484 		return -EFAULT;
485 	if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
486 		return -EFAULT;
487 	data64 = compat_ptr(data32);
488 
489 	u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
490 
491 	/* Don't check these user accesses, just let that get trapped
492 	 * in the ioctl handler instead.
493 	 */
494 	if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
495 			 IFNAMSIZ))
496 		return -EFAULT;
497 	if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
498 		return -EFAULT;
499 
500 	return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
501 }
502 
dev_ifsioc(unsigned int fd,unsigned int cmd,unsigned long arg)503 static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
504 {
505 	struct ifreq ifr;
506 	struct ifreq32 __user *uifr32;
507 	struct ifmap32 __user *uifmap32;
508 	mm_segment_t old_fs;
509 	int err;
510 
511 	uifr32 = compat_ptr(arg);
512 	uifmap32 = &uifr32->ifr_ifru.ifru_map;
513 	switch (cmd) {
514 	case SIOCSIFMAP:
515 		err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
516 		err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
517 		err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
518 		err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
519 		err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
520 		err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
521 		err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
522 		if (err)
523 			return -EFAULT;
524 		break;
525 	default:
526 		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
527 			return -EFAULT;
528 		break;
529 	}
530 	old_fs = get_fs();
531 	set_fs (KERNEL_DS);
532 	err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
533 	set_fs (old_fs);
534 	if (!err) {
535 		switch (cmd) {
536 		/* TUNSETIFF is defined as _IOW, it should be _IORW
537 		 * as the data is copied back to user space, but that
538 		 * cannot be fixed without breaking all existing apps.
539 		 */
540 		case TUNSETIFF:
541 		case TUNGETIFF:
542 		case SIOCGIFFLAGS:
543 		case SIOCGIFMETRIC:
544 		case SIOCGIFMTU:
545 		case SIOCGIFMEM:
546 		case SIOCGIFHWADDR:
547 		case SIOCGIFINDEX:
548 		case SIOCGIFADDR:
549 		case SIOCGIFBRDADDR:
550 		case SIOCGIFDSTADDR:
551 		case SIOCGIFNETMASK:
552 		case SIOCGIFTXQLEN:
553 			if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
554 				return -EFAULT;
555 			break;
556 		case SIOCGIFMAP:
557 			err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
558 			err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
559 			err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
560 			err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
561 			err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
562 			err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
563 			err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
564 			if (err)
565 				err = -EFAULT;
566 			break;
567 		}
568 	}
569 	return err;
570 }
571 
572 struct rtentry32 {
573         u32   		rt_pad1;
574         struct sockaddr rt_dst;         /* target address               */
575         struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
576         struct sockaddr rt_genmask;     /* target network mask (IP)     */
577         unsigned short  rt_flags;
578         short           rt_pad2;
579         u32   		rt_pad3;
580         unsigned char   rt_tos;
581         unsigned char   rt_class;
582         short           rt_pad4;
583         short           rt_metric;      /* +1 for binary compatibility! */
584         /* char * */ u32 rt_dev;        /* forcing the device at add    */
585         u32   		rt_mtu;         /* per route MTU/Window         */
586         u32   		rt_window;      /* Window clamping              */
587         unsigned short  rt_irtt;        /* Initial RTT                  */
588 
589 };
590 
591 struct in6_rtmsg32 {
592 	struct in6_addr		rtmsg_dst;
593 	struct in6_addr		rtmsg_src;
594 	struct in6_addr		rtmsg_gateway;
595 	u32			rtmsg_type;
596 	u16			rtmsg_dst_len;
597 	u16			rtmsg_src_len;
598 	u32			rtmsg_metric;
599 	u32			rtmsg_info;
600 	u32			rtmsg_flags;
601 	s32			rtmsg_ifindex;
602 };
603 
routing_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)604 static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
605 {
606 	int ret;
607 	void *r = NULL;
608 	struct in6_rtmsg r6;
609 	struct rtentry r4;
610 	char devname[16];
611 	u32 rtdev;
612 	mm_segment_t old_fs = get_fs();
613 
614 	struct socket *mysock = sockfd_lookup(fd, &ret);
615 
616 	if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
617 		struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
618 		ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
619 			3 * sizeof(struct in6_addr));
620 		ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
621 		ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
622 		ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
623 		ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
624 		ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
625 		ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
626 		ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
627 
628 		r = (void *) &r6;
629 	} else { /* ipv4 */
630 		struct rtentry32 __user *ur4 = compat_ptr(arg);
631 		ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
632 					3 * sizeof(struct sockaddr));
633 		ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
634 		ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
635 		ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
636 		ret |= __get_user (r4.rt_window, &(ur4->rt_window));
637 		ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
638 		ret |= __get_user (rtdev, &(ur4->rt_dev));
639 		if (rtdev) {
640 			ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
641 			r4.rt_dev = devname; devname[15] = 0;
642 		} else
643 			r4.rt_dev = NULL;
644 
645 		r = (void *) &r4;
646 	}
647 
648 	if (ret) {
649 		ret = -EFAULT;
650 		goto out;
651 	}
652 
653 	set_fs (KERNEL_DS);
654 	ret = sys_ioctl (fd, cmd, (unsigned long) r);
655 	set_fs (old_fs);
656 
657 out:
658 	if (mysock)
659 		sockfd_put(mysock);
660 
661 	return ret;
662 }
663 #endif
664 
665 #ifdef CONFIG_BLOCK
666 typedef struct sg_io_hdr32 {
667 	compat_int_t interface_id;	/* [i] 'S' for SCSI generic (required) */
668 	compat_int_t dxfer_direction;	/* [i] data transfer direction  */
669 	unsigned char cmd_len;		/* [i] SCSI command length ( <= 16 bytes) */
670 	unsigned char mx_sb_len;		/* [i] max length to write to sbp */
671 	unsigned short iovec_count;	/* [i] 0 implies no scatter gather */
672 	compat_uint_t dxfer_len;		/* [i] byte count of data transfer */
673 	compat_uint_t dxferp;		/* [i], [*io] points to data transfer memory
674 					      or scatter gather list */
675 	compat_uptr_t cmdp;		/* [i], [*i] points to command to perform */
676 	compat_uptr_t sbp;		/* [i], [*o] points to sense_buffer memory */
677 	compat_uint_t timeout;		/* [i] MAX_UINT->no timeout (unit: millisec) */
678 	compat_uint_t flags;		/* [i] 0 -> default, see SG_FLAG... */
679 	compat_int_t pack_id;		/* [i->o] unused internally (normally) */
680 	compat_uptr_t usr_ptr;		/* [i->o] unused internally */
681 	unsigned char status;		/* [o] scsi status */
682 	unsigned char masked_status;	/* [o] shifted, masked scsi status */
683 	unsigned char msg_status;		/* [o] messaging level data (optional) */
684 	unsigned char sb_len_wr;		/* [o] byte count actually written to sbp */
685 	unsigned short host_status;	/* [o] errors from host adapter */
686 	unsigned short driver_status;	/* [o] errors from software driver */
687 	compat_int_t resid;		/* [o] dxfer_len - actual_transferred */
688 	compat_uint_t duration;		/* [o] time taken by cmd (unit: millisec) */
689 	compat_uint_t info;		/* [o] auxiliary information */
690 } sg_io_hdr32_t;  /* 64 bytes long (on sparc32) */
691 
692 typedef struct sg_iovec32 {
693 	compat_uint_t iov_base;
694 	compat_uint_t iov_len;
695 } sg_iovec32_t;
696 
sg_build_iovec(sg_io_hdr_t __user * sgio,void __user * dxferp,u16 iovec_count)697 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
698 {
699 	sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
700 	sg_iovec32_t __user *iov32 = dxferp;
701 	int i;
702 
703 	for (i = 0; i < iovec_count; i++) {
704 		u32 base, len;
705 
706 		if (get_user(base, &iov32[i].iov_base) ||
707 		    get_user(len, &iov32[i].iov_len) ||
708 		    put_user(compat_ptr(base), &iov[i].iov_base) ||
709 		    put_user(len, &iov[i].iov_len))
710 			return -EFAULT;
711 	}
712 
713 	if (put_user(iov, &sgio->dxferp))
714 		return -EFAULT;
715 	return 0;
716 }
717 
sg_ioctl_trans(unsigned int fd,unsigned int cmd,unsigned long arg)718 static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
719 {
720 	sg_io_hdr_t __user *sgio;
721 	sg_io_hdr32_t __user *sgio32;
722 	u16 iovec_count;
723 	u32 data;
724 	void __user *dxferp;
725 	int err;
726 
727 	sgio32 = compat_ptr(arg);
728 	if (get_user(iovec_count, &sgio32->iovec_count))
729 		return -EFAULT;
730 
731 	{
732 		void __user *top = compat_alloc_user_space(0);
733 		void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
734 				       (iovec_count * sizeof(sg_iovec_t)));
735 		if (new > top)
736 			return -EINVAL;
737 
738 		sgio = new;
739 	}
740 
741 	/* Ok, now construct.  */
742 	if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
743 			 (2 * sizeof(int)) +
744 			 (2 * sizeof(unsigned char)) +
745 			 (1 * sizeof(unsigned short)) +
746 			 (1 * sizeof(unsigned int))))
747 		return -EFAULT;
748 
749 	if (get_user(data, &sgio32->dxferp))
750 		return -EFAULT;
751 	dxferp = compat_ptr(data);
752 	if (iovec_count) {
753 		if (sg_build_iovec(sgio, dxferp, iovec_count))
754 			return -EFAULT;
755 	} else {
756 		if (put_user(dxferp, &sgio->dxferp))
757 			return -EFAULT;
758 	}
759 
760 	{
761 		unsigned char __user *cmdp;
762 		unsigned char __user *sbp;
763 
764 		if (get_user(data, &sgio32->cmdp))
765 			return -EFAULT;
766 		cmdp = compat_ptr(data);
767 
768 		if (get_user(data, &sgio32->sbp))
769 			return -EFAULT;
770 		sbp = compat_ptr(data);
771 
772 		if (put_user(cmdp, &sgio->cmdp) ||
773 		    put_user(sbp, &sgio->sbp))
774 			return -EFAULT;
775 	}
776 
777 	if (copy_in_user(&sgio->timeout, &sgio32->timeout,
778 			 3 * sizeof(int)))
779 		return -EFAULT;
780 
781 	if (get_user(data, &sgio32->usr_ptr))
782 		return -EFAULT;
783 	if (put_user(compat_ptr(data), &sgio->usr_ptr))
784 		return -EFAULT;
785 
786 	if (copy_in_user(&sgio->status, &sgio32->status,
787 			 (4 * sizeof(unsigned char)) +
788 			 (2 * sizeof(unsigned short)) +
789 			 (3 * sizeof(int))))
790 		return -EFAULT;
791 
792 	err = sys_ioctl(fd, cmd, (unsigned long) sgio);
793 
794 	if (err >= 0) {
795 		void __user *datap;
796 
797 		if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
798 				 sizeof(int)) ||
799 		    get_user(datap, &sgio->usr_ptr) ||
800 		    put_user((u32)(unsigned long)datap,
801 			     &sgio32->usr_ptr) ||
802 		    copy_in_user(&sgio32->status, &sgio->status,
803 				 (4 * sizeof(unsigned char)) +
804 				 (2 * sizeof(unsigned short)) +
805 				 (3 * sizeof(int))))
806 			err = -EFAULT;
807 	}
808 
809 	return err;
810 }
811 
812 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
813 	char req_state;
814 	char orphan;
815 	char sg_io_owned;
816 	char problem;
817 	int pack_id;
818 	compat_uptr_t usr_ptr;
819 	unsigned int duration;
820 	int unused;
821 };
822 
sg_grt_trans(unsigned int fd,unsigned int cmd,unsigned long arg)823 static int sg_grt_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
824 {
825 	int err, i;
826 	sg_req_info_t __user *r;
827 	struct compat_sg_req_info __user *o = (void __user *)arg;
828 	r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
829 	err = sys_ioctl(fd,cmd,(unsigned long)r);
830 	if (err < 0)
831 		return err;
832 	for (i = 0; i < SG_MAX_QUEUE; i++) {
833 		void __user *ptr;
834 		int d;
835 
836 		if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
837 		    get_user(ptr, &r[i].usr_ptr) ||
838 		    get_user(d, &r[i].duration) ||
839 		    put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
840 		    put_user(d, &o[i].duration))
841 			return -EFAULT;
842 	}
843 	return err;
844 }
845 #endif /* CONFIG_BLOCK */
846 
847 struct sock_fprog32 {
848 	unsigned short	len;
849 	compat_caddr_t	filter;
850 };
851 
852 #define PPPIOCSPASS32	_IOW('t', 71, struct sock_fprog32)
853 #define PPPIOCSACTIVE32	_IOW('t', 70, struct sock_fprog32)
854 
ppp_sock_fprog_ioctl_trans(unsigned int fd,unsigned int cmd,unsigned long arg)855 static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
856 {
857 	struct sock_fprog32 __user *u_fprog32 = compat_ptr(arg);
858 	struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
859 	void __user *fptr64;
860 	u32 fptr32;
861 	u16 flen;
862 
863 	if (get_user(flen, &u_fprog32->len) ||
864 	    get_user(fptr32, &u_fprog32->filter))
865 		return -EFAULT;
866 
867 	fptr64 = compat_ptr(fptr32);
868 
869 	if (put_user(flen, &u_fprog64->len) ||
870 	    put_user(fptr64, &u_fprog64->filter))
871 		return -EFAULT;
872 
873 	if (cmd == PPPIOCSPASS32)
874 		cmd = PPPIOCSPASS;
875 	else
876 		cmd = PPPIOCSACTIVE;
877 
878 	return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
879 }
880 
881 struct ppp_option_data32 {
882 	compat_caddr_t	ptr;
883 	u32			length;
884 	compat_int_t		transmit;
885 };
886 #define PPPIOCSCOMPRESS32	_IOW('t', 77, struct ppp_option_data32)
887 
888 struct ppp_idle32 {
889 	compat_time_t xmit_idle;
890 	compat_time_t recv_idle;
891 };
892 #define PPPIOCGIDLE32		_IOR('t', 63, struct ppp_idle32)
893 
ppp_gidle(unsigned int fd,unsigned int cmd,unsigned long arg)894 static int ppp_gidle(unsigned int fd, unsigned int cmd, unsigned long arg)
895 {
896 	struct ppp_idle __user *idle;
897 	struct ppp_idle32 __user *idle32;
898 	__kernel_time_t xmit, recv;
899 	int err;
900 
901 	idle = compat_alloc_user_space(sizeof(*idle));
902 	idle32 = compat_ptr(arg);
903 
904 	err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
905 
906 	if (!err) {
907 		if (get_user(xmit, &idle->xmit_idle) ||
908 		    get_user(recv, &idle->recv_idle) ||
909 		    put_user(xmit, &idle32->xmit_idle) ||
910 		    put_user(recv, &idle32->recv_idle))
911 			err = -EFAULT;
912 	}
913 	return err;
914 }
915 
ppp_scompress(unsigned int fd,unsigned int cmd,unsigned long arg)916 static int ppp_scompress(unsigned int fd, unsigned int cmd, unsigned long arg)
917 {
918 	struct ppp_option_data __user *odata;
919 	struct ppp_option_data32 __user *odata32;
920 	__u32 data;
921 	void __user *datap;
922 
923 	odata = compat_alloc_user_space(sizeof(*odata));
924 	odata32 = compat_ptr(arg);
925 
926 	if (get_user(data, &odata32->ptr))
927 		return -EFAULT;
928 
929 	datap = compat_ptr(data);
930 	if (put_user(datap, &odata->ptr))
931 		return -EFAULT;
932 
933 	if (copy_in_user(&odata->length, &odata32->length,
934 			 sizeof(__u32) + sizeof(int)))
935 		return -EFAULT;
936 
937 	return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
938 }
939 
ppp_ioctl_trans(unsigned int fd,unsigned int cmd,unsigned long arg)940 static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
941 {
942 	int err;
943 
944 	switch (cmd) {
945 	case PPPIOCGIDLE32:
946 		err = ppp_gidle(fd, cmd, arg);
947 		break;
948 
949 	case PPPIOCSCOMPRESS32:
950 		err = ppp_scompress(fd, cmd, arg);
951 		break;
952 
953 	default:
954 		do {
955 			static int count;
956 			if (++count <= 20)
957 				printk("ppp_ioctl: Unknown cmd fd(%d) "
958 				       "cmd(%08x) arg(%08x)\n",
959 				       (int)fd, (unsigned int)cmd, (unsigned int)arg);
960 		} while(0);
961 		err = -EINVAL;
962 		break;
963 	};
964 
965 	return err;
966 }
967 
968 
969 #ifdef CONFIG_BLOCK
970 struct mtget32 {
971 	compat_long_t	mt_type;
972 	compat_long_t	mt_resid;
973 	compat_long_t	mt_dsreg;
974 	compat_long_t	mt_gstat;
975 	compat_long_t	mt_erreg;
976 	compat_daddr_t	mt_fileno;
977 	compat_daddr_t	mt_blkno;
978 };
979 #define MTIOCGET32	_IOR('m', 2, struct mtget32)
980 
981 struct mtpos32 {
982 	compat_long_t	mt_blkno;
983 };
984 #define MTIOCPOS32	_IOR('m', 3, struct mtpos32)
985 
mt_ioctl_trans(unsigned int fd,unsigned int cmd,unsigned long arg)986 static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
987 {
988 	mm_segment_t old_fs = get_fs();
989 	struct mtget get;
990 	struct mtget32 __user *umget32;
991 	struct mtpos pos;
992 	struct mtpos32 __user *upos32;
993 	unsigned long kcmd;
994 	void *karg;
995 	int err = 0;
996 
997 	switch(cmd) {
998 	case MTIOCPOS32:
999 		kcmd = MTIOCPOS;
1000 		karg = &pos;
1001 		break;
1002 	case MTIOCGET32:
1003 		kcmd = MTIOCGET;
1004 		karg = &get;
1005 		break;
1006 	default:
1007 		do {
1008 			static int count;
1009 			if (++count <= 20)
1010 				printk("mt_ioctl: Unknown cmd fd(%d) "
1011 				       "cmd(%08x) arg(%08x)\n",
1012 				       (int)fd, (unsigned int)cmd, (unsigned int)arg);
1013 		} while(0);
1014 		return -EINVAL;
1015 	}
1016 	set_fs (KERNEL_DS);
1017 	err = sys_ioctl (fd, kcmd, (unsigned long)karg);
1018 	set_fs (old_fs);
1019 	if (err)
1020 		return err;
1021 	switch (cmd) {
1022 	case MTIOCPOS32:
1023 		upos32 = compat_ptr(arg);
1024 		err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
1025 		break;
1026 	case MTIOCGET32:
1027 		umget32 = compat_ptr(arg);
1028 		err = __put_user(get.mt_type, &umget32->mt_type);
1029 		err |= __put_user(get.mt_resid, &umget32->mt_resid);
1030 		err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
1031 		err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
1032 		err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
1033 		err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
1034 		err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
1035 		break;
1036 	}
1037 	return err ? -EFAULT: 0;
1038 }
1039 
1040 #endif /* CONFIG_BLOCK */
1041 
1042 #ifdef CONFIG_VT
1043 
vt_check(struct file * file)1044 static int vt_check(struct file *file)
1045 {
1046 	struct tty_struct *tty;
1047 	struct inode *inode = file->f_path.dentry->d_inode;
1048 	struct vc_data *vc;
1049 
1050 	if (file->f_op->unlocked_ioctl != tty_ioctl)
1051 		return -EINVAL;
1052 
1053 	tty = (struct tty_struct *)file->private_data;
1054 	if (tty_paranoia_check(tty, inode, "tty_ioctl"))
1055 		return -EINVAL;
1056 
1057 	if (tty->ops->ioctl != vt_ioctl)
1058 		return -EINVAL;
1059 
1060 	vc = (struct vc_data *)tty->driver_data;
1061 	if (!vc_cons_allocated(vc->vc_num)) 	/* impossible? */
1062 		return -ENOIOCTLCMD;
1063 
1064 	/*
1065 	 * To have permissions to do most of the vt ioctls, we either have
1066 	 * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
1067 	 */
1068 	if (current->signal->tty == tty || capable(CAP_SYS_TTY_CONFIG))
1069 		return 1;
1070 	return 0;
1071 }
1072 
1073 struct consolefontdesc32 {
1074 	unsigned short charcount;       /* characters in font (256 or 512) */
1075 	unsigned short charheight;      /* scan lines per character (1-32) */
1076 	compat_caddr_t chardata;	/* font data in expanded form */
1077 };
1078 
do_fontx_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg,struct file * file)1079 static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1080 {
1081 	struct consolefontdesc32 __user *user_cfd = compat_ptr(arg);
1082 	struct console_font_op op;
1083 	compat_caddr_t data;
1084 	int i, perm;
1085 
1086 	perm = vt_check(file);
1087 	if (perm < 0) return perm;
1088 
1089 	switch (cmd) {
1090 	case PIO_FONTX:
1091 		if (!perm)
1092 			return -EPERM;
1093 		op.op = KD_FONT_OP_SET;
1094 		op.flags = 0;
1095 		op.width = 8;
1096 		if (get_user(op.height, &user_cfd->charheight) ||
1097 		    get_user(op.charcount, &user_cfd->charcount) ||
1098 		    get_user(data, &user_cfd->chardata))
1099 			return -EFAULT;
1100 		op.data = compat_ptr(data);
1101 		return con_font_op(vc_cons[fg_console].d, &op);
1102 	case GIO_FONTX:
1103 		op.op = KD_FONT_OP_GET;
1104 		op.flags = 0;
1105 		op.width = 8;
1106 		if (get_user(op.height, &user_cfd->charheight) ||
1107 		    get_user(op.charcount, &user_cfd->charcount) ||
1108 		    get_user(data, &user_cfd->chardata))
1109 			return -EFAULT;
1110 		if (!data)
1111 			return 0;
1112 		op.data = compat_ptr(data);
1113 		i = con_font_op(vc_cons[fg_console].d, &op);
1114 		if (i)
1115 			return i;
1116 		if (put_user(op.height, &user_cfd->charheight) ||
1117 		    put_user(op.charcount, &user_cfd->charcount) ||
1118 		    put_user((compat_caddr_t)(unsigned long)op.data,
1119 				&user_cfd->chardata))
1120 			return -EFAULT;
1121 		return 0;
1122 	}
1123 	return -EINVAL;
1124 }
1125 
1126 struct console_font_op32 {
1127 	compat_uint_t op;        /* operation code KD_FONT_OP_* */
1128 	compat_uint_t flags;     /* KD_FONT_FLAG_* */
1129 	compat_uint_t width, height;     /* font size */
1130 	compat_uint_t charcount;
1131 	compat_caddr_t data;    /* font data with height fixed to 32 */
1132 };
1133 
do_kdfontop_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg,struct file * file)1134 static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1135 {
1136 	struct console_font_op op;
1137 	struct console_font_op32 __user *fontop = compat_ptr(arg);
1138 	int perm = vt_check(file), i;
1139 	struct vc_data *vc;
1140 
1141 	if (perm < 0) return perm;
1142 
1143 	if (copy_from_user(&op, fontop, sizeof(struct console_font_op32)))
1144 		return -EFAULT;
1145 	if (!perm && op.op != KD_FONT_OP_GET)
1146 		return -EPERM;
1147 	op.data = compat_ptr(((struct console_font_op32 *)&op)->data);
1148 	op.flags |= KD_FONT_FLAG_OLD;
1149 	vc = ((struct tty_struct *)file->private_data)->driver_data;
1150 	i = con_font_op(vc, &op);
1151 	if (i)
1152 		return i;
1153 	((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
1154 	if (copy_to_user(fontop, &op, sizeof(struct console_font_op32)))
1155 		return -EFAULT;
1156 	return 0;
1157 }
1158 
1159 struct unimapdesc32 {
1160 	unsigned short entry_ct;
1161 	compat_caddr_t entries;
1162 };
1163 
do_unimap_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg,struct file * file)1164 static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
1165 {
1166 	struct unimapdesc32 tmp;
1167 	struct unimapdesc32 __user *user_ud = compat_ptr(arg);
1168 	int perm = vt_check(file);
1169 	struct vc_data *vc;
1170 
1171 	if (perm < 0)
1172 		return perm;
1173 	if (copy_from_user(&tmp, user_ud, sizeof tmp))
1174 		return -EFAULT;
1175 	if (tmp.entries)
1176 		if (!access_ok(VERIFY_WRITE, compat_ptr(tmp.entries),
1177 				tmp.entry_ct*sizeof(struct unipair)))
1178 			return -EFAULT;
1179 	vc = ((struct tty_struct *)file->private_data)->driver_data;
1180 	switch (cmd) {
1181 	case PIO_UNIMAP:
1182 		if (!perm)
1183 			return -EPERM;
1184 		return con_set_unimap(vc, tmp.entry_ct,
1185 						compat_ptr(tmp.entries));
1186 	case GIO_UNIMAP:
1187 		if (!perm && fg_console != vc->vc_num)
1188 			return -EPERM;
1189 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct),
1190 						compat_ptr(tmp.entries));
1191 	}
1192 	return 0;
1193 }
1194 
1195 #endif /* CONFIG_VT */
1196 
do_smb_getmountuid(unsigned int fd,unsigned int cmd,unsigned long arg)1197 static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg)
1198 {
1199 	mm_segment_t old_fs = get_fs();
1200 	__kernel_uid_t kuid;
1201 	int err;
1202 
1203 	cmd = SMB_IOC_GETMOUNTUID;
1204 
1205 	set_fs(KERNEL_DS);
1206 	err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
1207 	set_fs(old_fs);
1208 
1209 	if (err >= 0)
1210 		err = put_user(kuid, (compat_uid_t __user *)compat_ptr(arg));
1211 
1212 	return err;
1213 }
1214 
1215 struct atmif_sioc32 {
1216         compat_int_t	number;
1217         compat_int_t	length;
1218         compat_caddr_t	arg;
1219 };
1220 
1221 struct atm_iobuf32 {
1222 	compat_int_t	length;
1223 	compat_caddr_t	buffer;
1224 };
1225 
1226 #define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
1227 #define ATM_GETNAMES32    _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
1228 #define ATM_GETTYPE32     _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
1229 #define ATM_GETESI32	  _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
1230 #define ATM_GETADDR32	  _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
1231 #define ATM_RSTADDR32	  _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
1232 #define ATM_ADDADDR32	  _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
1233 #define ATM_DELADDR32	  _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
1234 #define ATM_GETCIRANGE32  _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
1235 #define ATM_SETCIRANGE32  _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
1236 #define ATM_SETESI32      _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
1237 #define ATM_SETESIF32     _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
1238 #define ATM_GETSTAT32     _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
1239 #define ATM_GETSTATZ32    _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
1240 #define ATM_GETLOOP32	  _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
1241 #define ATM_SETLOOP32	  _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
1242 #define ATM_QUERYLOOP32	  _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
1243 
1244 static struct {
1245         unsigned int cmd32;
1246         unsigned int cmd;
1247 } atm_ioctl_map[] = {
1248         { ATM_GETLINKRATE32, ATM_GETLINKRATE },
1249 	{ ATM_GETNAMES32,    ATM_GETNAMES },
1250         { ATM_GETTYPE32,     ATM_GETTYPE },
1251         { ATM_GETESI32,      ATM_GETESI },
1252         { ATM_GETADDR32,     ATM_GETADDR },
1253         { ATM_RSTADDR32,     ATM_RSTADDR },
1254         { ATM_ADDADDR32,     ATM_ADDADDR },
1255         { ATM_DELADDR32,     ATM_DELADDR },
1256         { ATM_GETCIRANGE32,  ATM_GETCIRANGE },
1257 	{ ATM_SETCIRANGE32,  ATM_SETCIRANGE },
1258 	{ ATM_SETESI32,      ATM_SETESI },
1259 	{ ATM_SETESIF32,     ATM_SETESIF },
1260 	{ ATM_GETSTAT32,     ATM_GETSTAT },
1261 	{ ATM_GETSTATZ32,    ATM_GETSTATZ },
1262 	{ ATM_GETLOOP32,     ATM_GETLOOP },
1263 	{ ATM_SETLOOP32,     ATM_SETLOOP },
1264 	{ ATM_QUERYLOOP32,   ATM_QUERYLOOP }
1265 };
1266 
1267 #define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
1268 
do_atm_iobuf(unsigned int fd,unsigned int cmd,unsigned long arg)1269 static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
1270 {
1271 	struct atm_iobuf   __user *iobuf;
1272 	struct atm_iobuf32 __user *iobuf32;
1273 	u32 data;
1274 	void __user *datap;
1275 	int len, err;
1276 
1277 	iobuf = compat_alloc_user_space(sizeof(*iobuf));
1278 	iobuf32 = compat_ptr(arg);
1279 
1280 	if (get_user(len, &iobuf32->length) ||
1281 	    get_user(data, &iobuf32->buffer))
1282 		return -EFAULT;
1283 	datap = compat_ptr(data);
1284 	if (put_user(len, &iobuf->length) ||
1285 	    put_user(datap, &iobuf->buffer))
1286 		return -EFAULT;
1287 
1288 	err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
1289 
1290 	if (!err) {
1291 		if (copy_in_user(&iobuf32->length, &iobuf->length,
1292 				 sizeof(int)))
1293 			err = -EFAULT;
1294 	}
1295 
1296 	return err;
1297 }
1298 
do_atmif_sioc(unsigned int fd,unsigned int cmd,unsigned long arg)1299 static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
1300 {
1301         struct atmif_sioc   __user *sioc;
1302 	struct atmif_sioc32 __user *sioc32;
1303 	u32 data;
1304 	void __user *datap;
1305 	int err;
1306 
1307 	sioc = compat_alloc_user_space(sizeof(*sioc));
1308 	sioc32 = compat_ptr(arg);
1309 
1310 	if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
1311 	    get_user(data, &sioc32->arg))
1312 		return -EFAULT;
1313 	datap = compat_ptr(data);
1314 	if (put_user(datap, &sioc->arg))
1315 		return -EFAULT;
1316 
1317 	err = sys_ioctl(fd, cmd, (unsigned long) sioc);
1318 
1319 	if (!err) {
1320 		if (copy_in_user(&sioc32->length, &sioc->length,
1321 				 sizeof(int)))
1322 			err = -EFAULT;
1323 	}
1324 	return err;
1325 }
1326 
do_atm_ioctl(unsigned int fd,unsigned int cmd32,unsigned long arg)1327 static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
1328 {
1329         int i;
1330         unsigned int cmd = 0;
1331 
1332 	switch (cmd32) {
1333 	case SONET_GETSTAT:
1334 	case SONET_GETSTATZ:
1335 	case SONET_GETDIAG:
1336 	case SONET_SETDIAG:
1337 	case SONET_CLRDIAG:
1338 	case SONET_SETFRAMING:
1339 	case SONET_GETFRAMING:
1340 	case SONET_GETFRSENSE:
1341 		return do_atmif_sioc(fd, cmd32, arg);
1342 	}
1343 
1344 	for (i = 0; i < NR_ATM_IOCTL; i++) {
1345 		if (cmd32 == atm_ioctl_map[i].cmd32) {
1346 			cmd = atm_ioctl_map[i].cmd;
1347 			break;
1348 		}
1349 	}
1350 	if (i == NR_ATM_IOCTL)
1351 	        return -EINVAL;
1352 
1353         switch (cmd) {
1354 	case ATM_GETNAMES:
1355 		return do_atm_iobuf(fd, cmd, arg);
1356 
1357 	case ATM_GETLINKRATE:
1358         case ATM_GETTYPE:
1359         case ATM_GETESI:
1360         case ATM_GETADDR:
1361         case ATM_RSTADDR:
1362         case ATM_ADDADDR:
1363         case ATM_DELADDR:
1364         case ATM_GETCIRANGE:
1365 	case ATM_SETCIRANGE:
1366 	case ATM_SETESI:
1367 	case ATM_SETESIF:
1368 	case ATM_GETSTAT:
1369 	case ATM_GETSTATZ:
1370 	case ATM_GETLOOP:
1371 	case ATM_SETLOOP:
1372 	case ATM_QUERYLOOP:
1373                 return do_atmif_sioc(fd, cmd, arg);
1374         }
1375 
1376         return -EINVAL;
1377 }
1378 
1379 static __used int
ret_einval(unsigned int fd,unsigned int cmd,unsigned long arg)1380 ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
1381 {
1382 	return -EINVAL;
1383 }
1384 
ioc_settimeout(unsigned int fd,unsigned int cmd,unsigned long arg)1385 static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg)
1386 {
1387 	return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg);
1388 }
1389 
1390 /* Bluetooth ioctls */
1391 #define HCIUARTSETPROTO	_IOW('U', 200, int)
1392 #define HCIUARTGETPROTO	_IOR('U', 201, int)
1393 
1394 #define BNEPCONNADD	_IOW('B', 200, int)
1395 #define BNEPCONNDEL	_IOW('B', 201, int)
1396 #define BNEPGETCONNLIST	_IOR('B', 210, int)
1397 #define BNEPGETCONNINFO	_IOR('B', 211, int)
1398 
1399 #define CMTPCONNADD	_IOW('C', 200, int)
1400 #define CMTPCONNDEL	_IOW('C', 201, int)
1401 #define CMTPGETCONNLIST	_IOR('C', 210, int)
1402 #define CMTPGETCONNINFO	_IOR('C', 211, int)
1403 
1404 #define HIDPCONNADD	_IOW('H', 200, int)
1405 #define HIDPCONNDEL	_IOW('H', 201, int)
1406 #define HIDPGETCONNLIST	_IOR('H', 210, int)
1407 #define HIDPGETCONNINFO	_IOR('H', 211, int)
1408 
1409 struct mtd_oob_buf32 {
1410 	u_int32_t start;
1411 	u_int32_t length;
1412 	compat_caddr_t ptr;	/* unsigned char* */
1413 };
1414 
1415 #define MEMWRITEOOB32 	_IOWR('M',3,struct mtd_oob_buf32)
1416 #define MEMREADOOB32 	_IOWR('M',4,struct mtd_oob_buf32)
1417 
mtd_rw_oob(unsigned int fd,unsigned int cmd,unsigned long arg)1418 static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
1419 {
1420 	struct mtd_oob_buf __user *buf = compat_alloc_user_space(sizeof(*buf));
1421 	struct mtd_oob_buf32 __user *buf32 = compat_ptr(arg);
1422 	u32 data;
1423 	char __user *datap;
1424 	unsigned int real_cmd;
1425 	int err;
1426 
1427 	real_cmd = (cmd == MEMREADOOB32) ?
1428 		MEMREADOOB : MEMWRITEOOB;
1429 
1430 	if (copy_in_user(&buf->start, &buf32->start,
1431 			 2 * sizeof(u32)) ||
1432 	    get_user(data, &buf32->ptr))
1433 		return -EFAULT;
1434 	datap = compat_ptr(data);
1435 	if (put_user(datap, &buf->ptr))
1436 		return -EFAULT;
1437 
1438 	err = sys_ioctl(fd, real_cmd, (unsigned long) buf);
1439 
1440 	if (!err) {
1441 		if (copy_in_user(&buf32->start, &buf->start,
1442 				 2 * sizeof(u32)))
1443 			err = -EFAULT;
1444 	}
1445 
1446 	return err;
1447 }
1448 
1449 #ifdef CONFIG_BLOCK
1450 struct raw32_config_request
1451 {
1452         compat_int_t    raw_minor;
1453         __u64   block_major;
1454         __u64   block_minor;
1455 } __attribute__((packed));
1456 
get_raw32_request(struct raw_config_request * req,struct raw32_config_request __user * user_req)1457 static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
1458 {
1459         int ret;
1460 
1461         if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request)))
1462                 return -EFAULT;
1463 
1464         ret = __get_user(req->raw_minor, &user_req->raw_minor);
1465         ret |= __get_user(req->block_major, &user_req->block_major);
1466         ret |= __get_user(req->block_minor, &user_req->block_minor);
1467 
1468         return ret ? -EFAULT : 0;
1469 }
1470 
set_raw32_request(struct raw_config_request * req,struct raw32_config_request __user * user_req)1471 static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req)
1472 {
1473 	int ret;
1474 
1475         if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request)))
1476                 return -EFAULT;
1477 
1478         ret = __put_user(req->raw_minor, &user_req->raw_minor);
1479         ret |= __put_user(req->block_major, &user_req->block_major);
1480         ret |= __put_user(req->block_minor, &user_req->block_minor);
1481 
1482         return ret ? -EFAULT : 0;
1483 }
1484 
raw_ioctl(unsigned fd,unsigned cmd,unsigned long arg)1485 static int raw_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
1486 {
1487         int ret;
1488 
1489         switch (cmd) {
1490         case RAW_SETBIND:
1491         case RAW_GETBIND: {
1492                 struct raw_config_request req;
1493                 struct raw32_config_request __user *user_req = compat_ptr(arg);
1494                 mm_segment_t oldfs = get_fs();
1495 
1496                 if ((ret = get_raw32_request(&req, user_req)))
1497                         return ret;
1498 
1499                 set_fs(KERNEL_DS);
1500                 ret = sys_ioctl(fd,cmd,(unsigned long)&req);
1501                 set_fs(oldfs);
1502 
1503                 if ((!ret) && (cmd == RAW_GETBIND)) {
1504                         ret = set_raw32_request(&req, user_req);
1505                 }
1506                 break;
1507         }
1508         default:
1509                 ret = sys_ioctl(fd, cmd, arg);
1510                 break;
1511         }
1512         return ret;
1513 }
1514 #endif /* CONFIG_BLOCK */
1515 
1516 struct serial_struct32 {
1517         compat_int_t    type;
1518         compat_int_t    line;
1519         compat_uint_t   port;
1520         compat_int_t    irq;
1521         compat_int_t    flags;
1522         compat_int_t    xmit_fifo_size;
1523         compat_int_t    custom_divisor;
1524         compat_int_t    baud_base;
1525         unsigned short  close_delay;
1526         char    io_type;
1527         char    reserved_char[1];
1528         compat_int_t    hub6;
1529         unsigned short  closing_wait; /* time to wait before closing */
1530         unsigned short  closing_wait2; /* no longer used... */
1531         compat_uint_t   iomem_base;
1532         unsigned short  iomem_reg_shift;
1533         unsigned int    port_high;
1534      /* compat_ulong_t  iomap_base FIXME */
1535         compat_int_t    reserved[1];
1536 };
1537 
serial_struct_ioctl(unsigned fd,unsigned cmd,unsigned long arg)1538 static int serial_struct_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
1539 {
1540         typedef struct serial_struct SS;
1541         typedef struct serial_struct32 SS32;
1542         struct serial_struct32 __user *ss32 = compat_ptr(arg);
1543         int err;
1544         struct serial_struct ss;
1545         mm_segment_t oldseg = get_fs();
1546         __u32 udata;
1547 	unsigned int base;
1548 
1549         if (cmd == TIOCSSERIAL) {
1550                 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
1551                         return -EFAULT;
1552                 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
1553 			return -EFAULT;
1554                 if (__get_user(udata, &ss32->iomem_base))
1555 			return -EFAULT;
1556                 ss.iomem_base = compat_ptr(udata);
1557                 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
1558 		    __get_user(ss.port_high, &ss32->port_high))
1559 			return -EFAULT;
1560                 ss.iomap_base = 0UL;
1561         }
1562         set_fs(KERNEL_DS);
1563                 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
1564         set_fs(oldseg);
1565         if (cmd == TIOCGSERIAL && err >= 0) {
1566                 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
1567                         return -EFAULT;
1568                 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
1569 			return -EFAULT;
1570 		base = (unsigned long)ss.iomem_base  >> 32 ?
1571 			0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
1572 		if (__put_user(base, &ss32->iomem_base) ||
1573 		    __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
1574 		    __put_user(ss.port_high, &ss32->port_high))
1575 			return -EFAULT;
1576         }
1577         return err;
1578 }
1579 
1580 struct usbdevfs_ctrltransfer32 {
1581         u8 bRequestType;
1582         u8 bRequest;
1583         u16 wValue;
1584         u16 wIndex;
1585         u16 wLength;
1586         u32 timeout;  /* in milliseconds */
1587         compat_caddr_t data;
1588 };
1589 
1590 #define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
1591 
do_usbdevfs_control(unsigned int fd,unsigned int cmd,unsigned long arg)1592 static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long arg)
1593 {
1594         struct usbdevfs_ctrltransfer32 __user *p32 = compat_ptr(arg);
1595         struct usbdevfs_ctrltransfer __user *p;
1596         __u32 udata;
1597         p = compat_alloc_user_space(sizeof(*p));
1598         if (copy_in_user(p, p32, (sizeof(*p32) - sizeof(compat_caddr_t))) ||
1599             get_user(udata, &p32->data) ||
1600 	    put_user(compat_ptr(udata), &p->data))
1601 		return -EFAULT;
1602         return sys_ioctl(fd, USBDEVFS_CONTROL, (unsigned long)p);
1603 }
1604 
1605 
1606 struct usbdevfs_bulktransfer32 {
1607         compat_uint_t ep;
1608         compat_uint_t len;
1609         compat_uint_t timeout; /* in milliseconds */
1610         compat_caddr_t data;
1611 };
1612 
1613 #define USBDEVFS_BULK32              _IOWR('U', 2, struct usbdevfs_bulktransfer32)
1614 
do_usbdevfs_bulk(unsigned int fd,unsigned int cmd,unsigned long arg)1615 static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg)
1616 {
1617         struct usbdevfs_bulktransfer32 __user *p32 = compat_ptr(arg);
1618         struct usbdevfs_bulktransfer __user *p;
1619         compat_uint_t n;
1620         compat_caddr_t addr;
1621 
1622         p = compat_alloc_user_space(sizeof(*p));
1623 
1624         if (get_user(n, &p32->ep) || put_user(n, &p->ep) ||
1625             get_user(n, &p32->len) || put_user(n, &p->len) ||
1626             get_user(n, &p32->timeout) || put_user(n, &p->timeout) ||
1627             get_user(addr, &p32->data) || put_user(compat_ptr(addr), &p->data))
1628                 return -EFAULT;
1629 
1630         return sys_ioctl(fd, USBDEVFS_BULK, (unsigned long)p);
1631 }
1632 
1633 
1634 /*
1635  *  USBDEVFS_SUBMITURB, USBDEVFS_REAPURB and USBDEVFS_REAPURBNDELAY
1636  *  are handled in usbdevfs core.			-Christopher Li
1637  */
1638 
1639 struct usbdevfs_disconnectsignal32 {
1640         compat_int_t signr;
1641         compat_caddr_t context;
1642 };
1643 
1644 #define USBDEVFS_DISCSIGNAL32      _IOR('U', 14, struct usbdevfs_disconnectsignal32)
1645 
do_usbdevfs_discsignal(unsigned int fd,unsigned int cmd,unsigned long arg)1646 static int do_usbdevfs_discsignal(unsigned int fd, unsigned int cmd, unsigned long arg)
1647 {
1648         struct usbdevfs_disconnectsignal kdis;
1649         struct usbdevfs_disconnectsignal32 __user *udis;
1650         mm_segment_t old_fs;
1651         u32 uctx;
1652         int err;
1653 
1654         udis = compat_ptr(arg);
1655 
1656         if (get_user(kdis.signr, &udis->signr) ||
1657             __get_user(uctx, &udis->context))
1658                 return -EFAULT;
1659 
1660         kdis.context = compat_ptr(uctx);
1661 
1662         old_fs = get_fs();
1663         set_fs(KERNEL_DS);
1664         err = sys_ioctl(fd, USBDEVFS_DISCSIGNAL, (unsigned long) &kdis);
1665         set_fs(old_fs);
1666 
1667         return err;
1668 }
1669 
1670 /*
1671  * I2C layer ioctls
1672  */
1673 
1674 struct i2c_msg32 {
1675 	u16 addr;
1676 	u16 flags;
1677 	u16 len;
1678 	compat_caddr_t buf;
1679 };
1680 
1681 struct i2c_rdwr_ioctl_data32 {
1682 	compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
1683 	u32 nmsgs;
1684 };
1685 
1686 struct i2c_smbus_ioctl_data32 {
1687 	u8 read_write;
1688 	u8 command;
1689 	u32 size;
1690 	compat_caddr_t data; /* union i2c_smbus_data *data */
1691 };
1692 
1693 struct i2c_rdwr_aligned {
1694 	struct i2c_rdwr_ioctl_data cmd;
1695 	struct i2c_msg msgs[0];
1696 };
1697 
do_i2c_rdwr_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)1698 static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
1699 {
1700 	struct i2c_rdwr_ioctl_data32	__user *udata = compat_ptr(arg);
1701 	struct i2c_rdwr_aligned		__user *tdata;
1702 	struct i2c_msg			__user *tmsgs;
1703 	struct i2c_msg32		__user *umsgs;
1704 	compat_caddr_t			datap;
1705 	int				nmsgs, i;
1706 
1707 	if (get_user(nmsgs, &udata->nmsgs))
1708 		return -EFAULT;
1709 	if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
1710 		return -EINVAL;
1711 
1712 	if (get_user(datap, &udata->msgs))
1713 		return -EFAULT;
1714 	umsgs = compat_ptr(datap);
1715 
1716 	tdata = compat_alloc_user_space(sizeof(*tdata) +
1717 				      nmsgs * sizeof(struct i2c_msg));
1718 	tmsgs = &tdata->msgs[0];
1719 
1720 	if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
1721 	    put_user(tmsgs, &tdata->cmd.msgs))
1722 		return -EFAULT;
1723 
1724 	for (i = 0; i < nmsgs; i++) {
1725 		if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
1726 			return -EFAULT;
1727 		if (get_user(datap, &umsgs[i].buf) ||
1728 		    put_user(compat_ptr(datap), &tmsgs[i].buf))
1729 			return -EFAULT;
1730 	}
1731 	return sys_ioctl(fd, cmd, (unsigned long)tdata);
1732 }
1733 
do_i2c_smbus_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)1734 static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
1735 {
1736 	struct i2c_smbus_ioctl_data	__user *tdata;
1737 	struct i2c_smbus_ioctl_data32	__user *udata;
1738 	compat_caddr_t			datap;
1739 
1740 	tdata = compat_alloc_user_space(sizeof(*tdata));
1741 	if (tdata == NULL)
1742 		return -ENOMEM;
1743 	if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
1744 		return -EFAULT;
1745 
1746 	udata = compat_ptr(arg);
1747 	if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
1748 		return -EFAULT;
1749 
1750 	if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
1751 		return -EFAULT;
1752 	if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
1753 		return -EFAULT;
1754 	if (__get_user(datap, &udata->data) ||
1755 	    __put_user(compat_ptr(datap), &tdata->data))
1756 		return -EFAULT;
1757 
1758 	return sys_ioctl(fd, cmd, (unsigned long)tdata);
1759 }
1760 
1761 /* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
1762  * for some operations; this forces use of the newer bridge-utils that
1763  * use compatiable ioctls
1764  */
old_bridge_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)1765 static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
1766 {
1767 	u32 tmp;
1768 
1769 	if (get_user(tmp, (u32 __user *) arg))
1770 		return -EFAULT;
1771 	if (tmp == BRCTL_GET_VERSION)
1772 		return BRCTL_VERSION + 1;
1773 	return -EINVAL;
1774 }
1775 
1776 #define RTC_IRQP_READ32		_IOR('p', 0x0b, compat_ulong_t)
1777 #define RTC_IRQP_SET32		_IOW('p', 0x0c, compat_ulong_t)
1778 #define RTC_EPOCH_READ32	_IOR('p', 0x0d, compat_ulong_t)
1779 #define RTC_EPOCH_SET32		_IOW('p', 0x0e, compat_ulong_t)
1780 
rtc_ioctl(unsigned fd,unsigned cmd,unsigned long arg)1781 static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
1782 {
1783 	mm_segment_t oldfs = get_fs();
1784 	compat_ulong_t val32;
1785 	unsigned long kval;
1786 	int ret;
1787 
1788 	switch (cmd) {
1789 	case RTC_IRQP_READ32:
1790 	case RTC_EPOCH_READ32:
1791 		set_fs(KERNEL_DS);
1792 		ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
1793 					RTC_IRQP_READ : RTC_EPOCH_READ,
1794 					(unsigned long)&kval);
1795 		set_fs(oldfs);
1796 		if (ret)
1797 			return ret;
1798 		val32 = kval;
1799 		return put_user(val32, (unsigned int __user *)arg);
1800 	case RTC_IRQP_SET32:
1801 		return sys_ioctl(fd, RTC_IRQP_SET, arg);
1802 	case RTC_EPOCH_SET32:
1803 		return sys_ioctl(fd, RTC_EPOCH_SET, arg);
1804 	default:
1805 		/* unreached */
1806 		return -ENOIOCTLCMD;
1807 	}
1808 }
1809 
1810 static int
lp_timeout_trans(unsigned int fd,unsigned int cmd,unsigned long arg)1811 lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
1812 {
1813 	struct compat_timeval __user *tc = (struct compat_timeval __user *)arg;
1814 	struct timeval __user *tn = compat_alloc_user_space(sizeof(struct timeval));
1815 	struct timeval ts;
1816 	if (get_user(ts.tv_sec, &tc->tv_sec) ||
1817 	    get_user(ts.tv_usec, &tc->tv_usec) ||
1818 	    put_user(ts.tv_sec, &tn->tv_sec) ||
1819 	    put_user(ts.tv_usec, &tn->tv_usec))
1820 		return -EFAULT;
1821 	return sys_ioctl(fd, cmd, (unsigned long)tn);
1822 }
1823 
1824 
1825 typedef int (*ioctl_trans_handler_t)(unsigned int, unsigned int,
1826 					unsigned long, struct file *);
1827 
1828 struct ioctl_trans {
1829 	unsigned long cmd;
1830 	ioctl_trans_handler_t handler;
1831 	struct ioctl_trans *next;
1832 };
1833 
1834 #define HANDLE_IOCTL(cmd,handler) \
1835 	{ (cmd), (ioctl_trans_handler_t)(handler) },
1836 
1837 /* pointer to compatible structure or no argument */
1838 #define COMPATIBLE_IOCTL(cmd) \
1839 	{ (cmd), do_ioctl32_pointer },
1840 
1841 /* argument is an unsigned long integer, not a pointer */
1842 #define ULONG_IOCTL(cmd) \
1843 	{ (cmd), (ioctl_trans_handler_t)sys_ioctl },
1844 
1845 /* ioctl should not be warned about even if it's not implemented.
1846    Valid reasons to use this:
1847    - It is implemented with ->compat_ioctl on some device, but programs
1848    call it on others too.
1849    - The ioctl is not implemented in the native kernel, but programs
1850    call it commonly anyways.
1851    Most other reasons are not valid. */
1852 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
1853 
1854 static struct ioctl_trans ioctl_start[] = {
1855 /* compatible ioctls first */
1856 COMPATIBLE_IOCTL(0x4B50)   /* KDGHWCLK - not in the kernel, but don't complain */
1857 COMPATIBLE_IOCTL(0x4B51)   /* KDSHWCLK - not in the kernel, but don't complain */
1858 
1859 /* Big T */
1860 COMPATIBLE_IOCTL(TCGETA)
1861 COMPATIBLE_IOCTL(TCSETA)
1862 COMPATIBLE_IOCTL(TCSETAW)
1863 COMPATIBLE_IOCTL(TCSETAF)
1864 COMPATIBLE_IOCTL(TCSBRK)
1865 ULONG_IOCTL(TCSBRKP)
1866 COMPATIBLE_IOCTL(TCXONC)
1867 COMPATIBLE_IOCTL(TCFLSH)
1868 COMPATIBLE_IOCTL(TCGETS)
1869 COMPATIBLE_IOCTL(TCSETS)
1870 COMPATIBLE_IOCTL(TCSETSW)
1871 COMPATIBLE_IOCTL(TCSETSF)
1872 COMPATIBLE_IOCTL(TIOCLINUX)
1873 COMPATIBLE_IOCTL(TIOCSBRK)
1874 COMPATIBLE_IOCTL(TIOCCBRK)
1875 ULONG_IOCTL(TIOCMIWAIT)
1876 COMPATIBLE_IOCTL(TIOCGICOUNT)
1877 /* Little t */
1878 COMPATIBLE_IOCTL(TIOCGETD)
1879 COMPATIBLE_IOCTL(TIOCSETD)
1880 COMPATIBLE_IOCTL(TIOCEXCL)
1881 COMPATIBLE_IOCTL(TIOCNXCL)
1882 COMPATIBLE_IOCTL(TIOCCONS)
1883 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
1884 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
1885 COMPATIBLE_IOCTL(TIOCSWINSZ)
1886 COMPATIBLE_IOCTL(TIOCGWINSZ)
1887 COMPATIBLE_IOCTL(TIOCMGET)
1888 COMPATIBLE_IOCTL(TIOCMBIC)
1889 COMPATIBLE_IOCTL(TIOCMBIS)
1890 COMPATIBLE_IOCTL(TIOCMSET)
1891 COMPATIBLE_IOCTL(TIOCPKT)
1892 COMPATIBLE_IOCTL(TIOCNOTTY)
1893 COMPATIBLE_IOCTL(TIOCSTI)
1894 COMPATIBLE_IOCTL(TIOCOUTQ)
1895 COMPATIBLE_IOCTL(TIOCSPGRP)
1896 COMPATIBLE_IOCTL(TIOCGPGRP)
1897 ULONG_IOCTL(TIOCSCTTY)
1898 COMPATIBLE_IOCTL(TIOCGPTN)
1899 COMPATIBLE_IOCTL(TIOCSPTLCK)
1900 COMPATIBLE_IOCTL(TIOCSERGETLSR)
1901 #ifdef TCGETS2
1902 COMPATIBLE_IOCTL(TCGETS2)
1903 COMPATIBLE_IOCTL(TCSETS2)
1904 COMPATIBLE_IOCTL(TCSETSW2)
1905 COMPATIBLE_IOCTL(TCSETSF2)
1906 #endif
1907 /* Little f */
1908 COMPATIBLE_IOCTL(FIOCLEX)
1909 COMPATIBLE_IOCTL(FIONCLEX)
1910 COMPATIBLE_IOCTL(FIOASYNC)
1911 COMPATIBLE_IOCTL(FIONBIO)
1912 COMPATIBLE_IOCTL(FIONREAD)  /* This is also TIOCINQ */
1913 /* 0x00 */
1914 COMPATIBLE_IOCTL(FIBMAP)
1915 COMPATIBLE_IOCTL(FIGETBSZ)
1916 /* 'X' - originally XFS but some now in the VFS */
1917 COMPATIBLE_IOCTL(FIFREEZE)
1918 COMPATIBLE_IOCTL(FITHAW)
1919 /* RAID */
1920 COMPATIBLE_IOCTL(RAID_VERSION)
1921 COMPATIBLE_IOCTL(GET_ARRAY_INFO)
1922 COMPATIBLE_IOCTL(GET_DISK_INFO)
1923 COMPATIBLE_IOCTL(PRINT_RAID_DEBUG)
1924 COMPATIBLE_IOCTL(RAID_AUTORUN)
1925 COMPATIBLE_IOCTL(CLEAR_ARRAY)
1926 COMPATIBLE_IOCTL(ADD_NEW_DISK)
1927 ULONG_IOCTL(HOT_REMOVE_DISK)
1928 COMPATIBLE_IOCTL(SET_ARRAY_INFO)
1929 COMPATIBLE_IOCTL(SET_DISK_INFO)
1930 COMPATIBLE_IOCTL(WRITE_RAID_INFO)
1931 COMPATIBLE_IOCTL(UNPROTECT_ARRAY)
1932 COMPATIBLE_IOCTL(PROTECT_ARRAY)
1933 ULONG_IOCTL(HOT_ADD_DISK)
1934 ULONG_IOCTL(SET_DISK_FAULTY)
1935 COMPATIBLE_IOCTL(RUN_ARRAY)
1936 COMPATIBLE_IOCTL(STOP_ARRAY)
1937 COMPATIBLE_IOCTL(STOP_ARRAY_RO)
1938 COMPATIBLE_IOCTL(RESTART_ARRAY_RW)
1939 COMPATIBLE_IOCTL(GET_BITMAP_FILE)
1940 ULONG_IOCTL(SET_BITMAP_FILE)
1941 /* Big K */
1942 COMPATIBLE_IOCTL(PIO_FONT)
1943 COMPATIBLE_IOCTL(GIO_FONT)
1944 COMPATIBLE_IOCTL(PIO_CMAP)
1945 COMPATIBLE_IOCTL(GIO_CMAP)
1946 ULONG_IOCTL(KDSIGACCEPT)
1947 COMPATIBLE_IOCTL(KDGETKEYCODE)
1948 COMPATIBLE_IOCTL(KDSETKEYCODE)
1949 ULONG_IOCTL(KIOCSOUND)
1950 ULONG_IOCTL(KDMKTONE)
1951 COMPATIBLE_IOCTL(KDGKBTYPE)
1952 ULONG_IOCTL(KDSETMODE)
1953 COMPATIBLE_IOCTL(KDGETMODE)
1954 ULONG_IOCTL(KDSKBMODE)
1955 COMPATIBLE_IOCTL(KDGKBMODE)
1956 ULONG_IOCTL(KDSKBMETA)
1957 COMPATIBLE_IOCTL(KDGKBMETA)
1958 COMPATIBLE_IOCTL(KDGKBENT)
1959 COMPATIBLE_IOCTL(KDSKBENT)
1960 COMPATIBLE_IOCTL(KDGKBSENT)
1961 COMPATIBLE_IOCTL(KDSKBSENT)
1962 COMPATIBLE_IOCTL(KDGKBDIACR)
1963 COMPATIBLE_IOCTL(KDSKBDIACR)
1964 COMPATIBLE_IOCTL(KDKBDREP)
1965 COMPATIBLE_IOCTL(KDGKBLED)
1966 ULONG_IOCTL(KDSKBLED)
1967 COMPATIBLE_IOCTL(KDGETLED)
1968 ULONG_IOCTL(KDSETLED)
1969 COMPATIBLE_IOCTL(GIO_SCRNMAP)
1970 COMPATIBLE_IOCTL(PIO_SCRNMAP)
1971 COMPATIBLE_IOCTL(GIO_UNISCRNMAP)
1972 COMPATIBLE_IOCTL(PIO_UNISCRNMAP)
1973 COMPATIBLE_IOCTL(PIO_FONTRESET)
1974 COMPATIBLE_IOCTL(PIO_UNIMAPCLR)
1975 #ifdef CONFIG_BLOCK
1976 /* Big S */
1977 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
1978 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
1979 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
1980 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
1981 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
1982 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
1983 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
1984 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
1985 #endif
1986 /* Big T */
1987 COMPATIBLE_IOCTL(TUNSETNOCSUM)
1988 COMPATIBLE_IOCTL(TUNSETDEBUG)
1989 COMPATIBLE_IOCTL(TUNSETPERSIST)
1990 COMPATIBLE_IOCTL(TUNSETOWNER)
1991 COMPATIBLE_IOCTL(TUNSETLINK)
1992 COMPATIBLE_IOCTL(TUNSETGROUP)
1993 COMPATIBLE_IOCTL(TUNGETFEATURES)
1994 COMPATIBLE_IOCTL(TUNSETOFFLOAD)
1995 COMPATIBLE_IOCTL(TUNSETTXFILTER)
1996 /* Big V */
1997 COMPATIBLE_IOCTL(VT_SETMODE)
1998 COMPATIBLE_IOCTL(VT_GETMODE)
1999 COMPATIBLE_IOCTL(VT_GETSTATE)
2000 COMPATIBLE_IOCTL(VT_OPENQRY)
2001 ULONG_IOCTL(VT_ACTIVATE)
2002 ULONG_IOCTL(VT_WAITACTIVE)
2003 ULONG_IOCTL(VT_RELDISP)
2004 ULONG_IOCTL(VT_DISALLOCATE)
2005 COMPATIBLE_IOCTL(VT_RESIZE)
2006 COMPATIBLE_IOCTL(VT_RESIZEX)
2007 COMPATIBLE_IOCTL(VT_LOCKSWITCH)
2008 COMPATIBLE_IOCTL(VT_UNLOCKSWITCH)
2009 COMPATIBLE_IOCTL(VT_GETHIFONTMASK)
2010 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
2011 COMPATIBLE_IOCTL(RTC_AIE_ON)
2012 COMPATIBLE_IOCTL(RTC_AIE_OFF)
2013 COMPATIBLE_IOCTL(RTC_UIE_ON)
2014 COMPATIBLE_IOCTL(RTC_UIE_OFF)
2015 COMPATIBLE_IOCTL(RTC_PIE_ON)
2016 COMPATIBLE_IOCTL(RTC_PIE_OFF)
2017 COMPATIBLE_IOCTL(RTC_WIE_ON)
2018 COMPATIBLE_IOCTL(RTC_WIE_OFF)
2019 COMPATIBLE_IOCTL(RTC_ALM_SET)
2020 COMPATIBLE_IOCTL(RTC_ALM_READ)
2021 COMPATIBLE_IOCTL(RTC_RD_TIME)
2022 COMPATIBLE_IOCTL(RTC_SET_TIME)
2023 COMPATIBLE_IOCTL(RTC_WKALM_SET)
2024 COMPATIBLE_IOCTL(RTC_WKALM_RD)
2025 /*
2026  * These two are only for the sbus rtc driver, but
2027  * hwclock tries them on every rtc device first when
2028  * running on sparc.  On other architectures the entries
2029  * are useless but harmless.
2030  */
2031 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
2032 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
2033 /* Little m */
2034 COMPATIBLE_IOCTL(MTIOCTOP)
2035 /* Socket level stuff */
2036 COMPATIBLE_IOCTL(FIOQSIZE)
2037 COMPATIBLE_IOCTL(FIOSETOWN)
2038 COMPATIBLE_IOCTL(SIOCSPGRP)
2039 COMPATIBLE_IOCTL(FIOGETOWN)
2040 COMPATIBLE_IOCTL(SIOCGPGRP)
2041 COMPATIBLE_IOCTL(SIOCATMARK)
2042 COMPATIBLE_IOCTL(SIOCSIFLINK)
2043 COMPATIBLE_IOCTL(SIOCSIFENCAP)
2044 COMPATIBLE_IOCTL(SIOCGIFENCAP)
2045 COMPATIBLE_IOCTL(SIOCSIFNAME)
2046 COMPATIBLE_IOCTL(SIOCSARP)
2047 COMPATIBLE_IOCTL(SIOCGARP)
2048 COMPATIBLE_IOCTL(SIOCDARP)
2049 COMPATIBLE_IOCTL(SIOCSRARP)
2050 COMPATIBLE_IOCTL(SIOCGRARP)
2051 COMPATIBLE_IOCTL(SIOCDRARP)
2052 COMPATIBLE_IOCTL(SIOCADDDLCI)
2053 COMPATIBLE_IOCTL(SIOCDELDLCI)
2054 COMPATIBLE_IOCTL(SIOCGMIIPHY)
2055 COMPATIBLE_IOCTL(SIOCGMIIREG)
2056 COMPATIBLE_IOCTL(SIOCSMIIREG)
2057 COMPATIBLE_IOCTL(SIOCGIFVLAN)
2058 COMPATIBLE_IOCTL(SIOCSIFVLAN)
2059 COMPATIBLE_IOCTL(SIOCBRADDBR)
2060 COMPATIBLE_IOCTL(SIOCBRDELBR)
2061 #ifdef CONFIG_BLOCK
2062 /* SG stuff */
2063 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
2064 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
2065 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
2066 ULONG_IOCTL(SG_SET_TRANSFORM)
2067 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
2068 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
2069 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
2070 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
2071 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
2072 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
2073 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
2074 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
2075 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
2076 COMPATIBLE_IOCTL(SG_SET_DEBUG)
2077 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
2078 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
2079 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
2080 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
2081 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
2082 COMPATIBLE_IOCTL(SG_SCSI_RESET)
2083 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
2084 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
2085 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
2086 #endif
2087 /* PPP stuff */
2088 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
2089 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
2090 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
2091 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
2092 COMPATIBLE_IOCTL(PPPIOCGUNIT)
2093 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
2094 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
2095 COMPATIBLE_IOCTL(PPPIOCGMRU)
2096 COMPATIBLE_IOCTL(PPPIOCSMRU)
2097 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
2098 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
2099 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
2100 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
2101 /* PPPIOCSCOMPRESS is translated */
2102 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
2103 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
2104 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
2105 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
2106 /* PPPIOCSPASS is translated */
2107 /* PPPIOCSACTIVE is translated */
2108 /* PPPIOCGIDLE is translated */
2109 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
2110 COMPATIBLE_IOCTL(PPPIOCATTACH)
2111 COMPATIBLE_IOCTL(PPPIOCDETACH)
2112 COMPATIBLE_IOCTL(PPPIOCSMRRU)
2113 COMPATIBLE_IOCTL(PPPIOCCONNECT)
2114 COMPATIBLE_IOCTL(PPPIOCDISCONN)
2115 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
2116 COMPATIBLE_IOCTL(PPPIOCGCHAN)
2117 /* PPPOX */
2118 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
2119 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
2120 /* LP */
2121 COMPATIBLE_IOCTL(LPGETSTATUS)
2122 /* ppdev */
2123 COMPATIBLE_IOCTL(PPSETMODE)
2124 COMPATIBLE_IOCTL(PPRSTATUS)
2125 COMPATIBLE_IOCTL(PPRCONTROL)
2126 COMPATIBLE_IOCTL(PPWCONTROL)
2127 COMPATIBLE_IOCTL(PPFCONTROL)
2128 COMPATIBLE_IOCTL(PPRDATA)
2129 COMPATIBLE_IOCTL(PPWDATA)
2130 COMPATIBLE_IOCTL(PPCLAIM)
2131 COMPATIBLE_IOCTL(PPRELEASE)
2132 COMPATIBLE_IOCTL(PPYIELD)
2133 COMPATIBLE_IOCTL(PPEXCL)
2134 COMPATIBLE_IOCTL(PPDATADIR)
2135 COMPATIBLE_IOCTL(PPNEGOT)
2136 COMPATIBLE_IOCTL(PPWCTLONIRQ)
2137 COMPATIBLE_IOCTL(PPCLRIRQ)
2138 COMPATIBLE_IOCTL(PPSETPHASE)
2139 COMPATIBLE_IOCTL(PPGETMODES)
2140 COMPATIBLE_IOCTL(PPGETMODE)
2141 COMPATIBLE_IOCTL(PPGETPHASE)
2142 COMPATIBLE_IOCTL(PPGETFLAGS)
2143 COMPATIBLE_IOCTL(PPSETFLAGS)
2144 /* pktcdvd */
2145 COMPATIBLE_IOCTL(PACKET_CTRL_CMD)
2146 /* Big A */
2147 /* sparc only */
2148 /* Big Q for sound/OSS */
2149 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
2150 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
2151 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
2152 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
2153 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
2154 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
2155 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
2156 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
2157 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
2158 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
2159 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
2160 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
2161 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
2162 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
2163 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
2164 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
2165 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
2166 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
2167 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
2168 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
2169 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
2170 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
2171 /* Big T for sound/OSS */
2172 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
2173 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
2174 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
2175 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
2176 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
2177 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
2178 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
2179 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
2180 /* Little m for sound/OSS */
2181 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
2182 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
2183 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
2184 /* Big P for sound/OSS */
2185 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
2186 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
2187 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
2188 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
2189 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
2190 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
2191 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
2192 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
2193 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
2194 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
2195 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
2196 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
2197 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
2198 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
2199 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
2200 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
2201 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
2202 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
2203 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
2204 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
2205 /* SNDCTL_DSP_MAPINBUF,  XXX needs translation */
2206 /* SNDCTL_DSP_MAPOUTBUF,  XXX needs translation */
2207 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
2208 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
2209 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
2210 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
2211 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
2212 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
2213 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
2214 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
2215 /* Big C for sound/OSS */
2216 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
2217 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
2218 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
2219 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
2220 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
2221 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
2222 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
2223 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
2224 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
2225 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
2226 /* Big M for sound/OSS */
2227 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
2228 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
2229 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
2230 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
2231 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
2232 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
2233 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
2234 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
2235 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
2236 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
2237 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
2238 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
2239 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
2240 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
2241 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
2242 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
2243 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
2244 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
2245 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
2246 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
2247 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
2248 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
2249 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
2250 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
2251 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
2252 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
2253 /* SOUND_MIXER_READ_ENHANCE,  same value as READ_MUTE */
2254 /* SOUND_MIXER_READ_LOUD,  same value as READ_MUTE */
2255 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
2256 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
2257 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
2258 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
2259 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
2260 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
2261 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
2262 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
2263 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
2264 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
2265 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
2266 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
2267 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
2268 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
2269 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
2270 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
2271 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
2272 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
2273 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
2274 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
2275 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
2276 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
2277 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
2278 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
2279 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
2280 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
2281 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
2282 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
2283 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
2284 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
2285 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
2286 /* SOUND_MIXER_WRITE_ENHANCE,  same value as WRITE_MUTE */
2287 /* SOUND_MIXER_WRITE_LOUD,  same value as WRITE_MUTE */
2288 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
2289 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
2290 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
2291 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
2292 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
2293 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
2294 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
2295 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
2296 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
2297 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
2298 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
2299 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
2300 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
2301 COMPATIBLE_IOCTL(OSS_GETVERSION)
2302 /* AUTOFS */
2303 ULONG_IOCTL(AUTOFS_IOC_READY)
2304 ULONG_IOCTL(AUTOFS_IOC_FAIL)
2305 COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC)
2306 COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER)
2307 COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE)
2308 COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI)
2309 COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER)
2310 COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT)
2311 /* Raw devices */
2312 COMPATIBLE_IOCTL(RAW_SETBIND)
2313 COMPATIBLE_IOCTL(RAW_GETBIND)
2314 /* SMB ioctls which do not need any translations */
2315 COMPATIBLE_IOCTL(SMB_IOC_NEWCONN)
2316 /* Little a */
2317 COMPATIBLE_IOCTL(ATMSIGD_CTRL)
2318 COMPATIBLE_IOCTL(ATMARPD_CTRL)
2319 COMPATIBLE_IOCTL(ATMLEC_CTRL)
2320 COMPATIBLE_IOCTL(ATMLEC_MCAST)
2321 COMPATIBLE_IOCTL(ATMLEC_DATA)
2322 COMPATIBLE_IOCTL(ATM_SETSC)
2323 COMPATIBLE_IOCTL(SIOCSIFATMTCP)
2324 COMPATIBLE_IOCTL(SIOCMKCLIP)
2325 COMPATIBLE_IOCTL(ATMARP_MKIP)
2326 COMPATIBLE_IOCTL(ATMARP_SETENTRY)
2327 COMPATIBLE_IOCTL(ATMARP_ENCAP)
2328 COMPATIBLE_IOCTL(ATMTCP_CREATE)
2329 COMPATIBLE_IOCTL(ATMTCP_REMOVE)
2330 COMPATIBLE_IOCTL(ATMMPC_CTRL)
2331 COMPATIBLE_IOCTL(ATMMPC_DATA)
2332 /* Watchdog */
2333 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
2334 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
2335 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
2336 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
2337 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
2338 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
2339 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
2340 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
2341 /* Big R */
2342 COMPATIBLE_IOCTL(RNDGETENTCNT)
2343 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
2344 COMPATIBLE_IOCTL(RNDGETPOOL)
2345 COMPATIBLE_IOCTL(RNDADDENTROPY)
2346 COMPATIBLE_IOCTL(RNDZAPENTCNT)
2347 COMPATIBLE_IOCTL(RNDCLEARPOOL)
2348 /* Bluetooth */
2349 COMPATIBLE_IOCTL(HCIDEVUP)
2350 COMPATIBLE_IOCTL(HCIDEVDOWN)
2351 COMPATIBLE_IOCTL(HCIDEVRESET)
2352 COMPATIBLE_IOCTL(HCIDEVRESTAT)
2353 COMPATIBLE_IOCTL(HCIGETDEVLIST)
2354 COMPATIBLE_IOCTL(HCIGETDEVINFO)
2355 COMPATIBLE_IOCTL(HCIGETCONNLIST)
2356 COMPATIBLE_IOCTL(HCIGETCONNINFO)
2357 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
2358 COMPATIBLE_IOCTL(HCISETRAW)
2359 COMPATIBLE_IOCTL(HCISETSCAN)
2360 COMPATIBLE_IOCTL(HCISETAUTH)
2361 COMPATIBLE_IOCTL(HCISETENCRYPT)
2362 COMPATIBLE_IOCTL(HCISETPTYPE)
2363 COMPATIBLE_IOCTL(HCISETLINKPOL)
2364 COMPATIBLE_IOCTL(HCISETLINKMODE)
2365 COMPATIBLE_IOCTL(HCISETACLMTU)
2366 COMPATIBLE_IOCTL(HCISETSCOMTU)
2367 COMPATIBLE_IOCTL(HCIINQUIRY)
2368 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
2369 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
2370 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
2371 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
2372 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
2373 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
2374 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
2375 COMPATIBLE_IOCTL(BNEPCONNADD)
2376 COMPATIBLE_IOCTL(BNEPCONNDEL)
2377 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
2378 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
2379 COMPATIBLE_IOCTL(CMTPCONNADD)
2380 COMPATIBLE_IOCTL(CMTPCONNDEL)
2381 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
2382 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
2383 COMPATIBLE_IOCTL(HIDPCONNADD)
2384 COMPATIBLE_IOCTL(HIDPCONNDEL)
2385 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
2386 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
2387 /* CAPI */
2388 COMPATIBLE_IOCTL(CAPI_REGISTER)
2389 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
2390 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
2391 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
2392 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
2393 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
2394 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
2395 COMPATIBLE_IOCTL(CAPI_INSTALLED)
2396 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
2397 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
2398 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
2399 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
2400 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
2401 /* Siemens Gigaset */
2402 COMPATIBLE_IOCTL(GIGASET_REDIR)
2403 COMPATIBLE_IOCTL(GIGASET_CONFIG)
2404 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
2405 COMPATIBLE_IOCTL(GIGASET_VERSION)
2406 /* Misc. */
2407 COMPATIBLE_IOCTL(0x41545900)		/* ATYIO_CLKR */
2408 COMPATIBLE_IOCTL(0x41545901)		/* ATYIO_CLKW */
2409 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
2410 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
2411 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
2412 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
2413 /* USB */
2414 COMPATIBLE_IOCTL(USBDEVFS_RESETEP)
2415 COMPATIBLE_IOCTL(USBDEVFS_SETINTERFACE)
2416 COMPATIBLE_IOCTL(USBDEVFS_SETCONFIGURATION)
2417 COMPATIBLE_IOCTL(USBDEVFS_GETDRIVER)
2418 COMPATIBLE_IOCTL(USBDEVFS_DISCARDURB)
2419 COMPATIBLE_IOCTL(USBDEVFS_CLAIMINTERFACE)
2420 COMPATIBLE_IOCTL(USBDEVFS_RELEASEINTERFACE)
2421 COMPATIBLE_IOCTL(USBDEVFS_CONNECTINFO)
2422 COMPATIBLE_IOCTL(USBDEVFS_HUB_PORTINFO)
2423 COMPATIBLE_IOCTL(USBDEVFS_RESET)
2424 COMPATIBLE_IOCTL(USBDEVFS_SUBMITURB32)
2425 COMPATIBLE_IOCTL(USBDEVFS_REAPURB32)
2426 COMPATIBLE_IOCTL(USBDEVFS_REAPURBNDELAY32)
2427 COMPATIBLE_IOCTL(USBDEVFS_CLEAR_HALT)
2428 /* MTD */
2429 COMPATIBLE_IOCTL(MEMGETINFO)
2430 COMPATIBLE_IOCTL(MEMERASE)
2431 COMPATIBLE_IOCTL(MEMLOCK)
2432 COMPATIBLE_IOCTL(MEMUNLOCK)
2433 COMPATIBLE_IOCTL(MEMGETREGIONCOUNT)
2434 COMPATIBLE_IOCTL(MEMGETREGIONINFO)
2435 COMPATIBLE_IOCTL(MEMGETBADBLOCK)
2436 COMPATIBLE_IOCTL(MEMSETBADBLOCK)
2437 /* NBD */
2438 ULONG_IOCTL(NBD_SET_SOCK)
2439 ULONG_IOCTL(NBD_SET_BLKSIZE)
2440 ULONG_IOCTL(NBD_SET_SIZE)
2441 COMPATIBLE_IOCTL(NBD_DO_IT)
2442 COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
2443 COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
2444 COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
2445 ULONG_IOCTL(NBD_SET_SIZE_BLOCKS)
2446 COMPATIBLE_IOCTL(NBD_DISCONNECT)
2447 /* i2c */
2448 COMPATIBLE_IOCTL(I2C_SLAVE)
2449 COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
2450 COMPATIBLE_IOCTL(I2C_TENBIT)
2451 COMPATIBLE_IOCTL(I2C_PEC)
2452 COMPATIBLE_IOCTL(I2C_RETRIES)
2453 COMPATIBLE_IOCTL(I2C_TIMEOUT)
2454 /* hiddev */
2455 COMPATIBLE_IOCTL(HIDIOCGVERSION)
2456 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
2457 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
2458 COMPATIBLE_IOCTL(HIDIOCGSTRING)
2459 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
2460 COMPATIBLE_IOCTL(HIDIOCGREPORT)
2461 COMPATIBLE_IOCTL(HIDIOCSREPORT)
2462 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
2463 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
2464 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
2465 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
2466 COMPATIBLE_IOCTL(HIDIOCGUCODE)
2467 COMPATIBLE_IOCTL(HIDIOCGFLAG)
2468 COMPATIBLE_IOCTL(HIDIOCSFLAG)
2469 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
2470 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
2471 /* dvb */
2472 COMPATIBLE_IOCTL(AUDIO_STOP)
2473 COMPATIBLE_IOCTL(AUDIO_PLAY)
2474 COMPATIBLE_IOCTL(AUDIO_PAUSE)
2475 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
2476 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
2477 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
2478 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
2479 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
2480 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
2481 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
2482 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
2483 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
2484 COMPATIBLE_IOCTL(AUDIO_SET_ID)
2485 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
2486 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
2487 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
2488 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
2489 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
2490 COMPATIBLE_IOCTL(DMX_START)
2491 COMPATIBLE_IOCTL(DMX_STOP)
2492 COMPATIBLE_IOCTL(DMX_SET_FILTER)
2493 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
2494 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
2495 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
2496 COMPATIBLE_IOCTL(DMX_GET_CAPS)
2497 COMPATIBLE_IOCTL(DMX_SET_SOURCE)
2498 COMPATIBLE_IOCTL(DMX_GET_STC)
2499 COMPATIBLE_IOCTL(FE_GET_INFO)
2500 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
2501 COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
2502 COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
2503 COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
2504 COMPATIBLE_IOCTL(FE_SET_TONE)
2505 COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
2506 COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
2507 COMPATIBLE_IOCTL(FE_READ_STATUS)
2508 COMPATIBLE_IOCTL(FE_READ_BER)
2509 COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
2510 COMPATIBLE_IOCTL(FE_READ_SNR)
2511 COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
2512 COMPATIBLE_IOCTL(FE_SET_FRONTEND)
2513 COMPATIBLE_IOCTL(FE_GET_FRONTEND)
2514 COMPATIBLE_IOCTL(FE_GET_EVENT)
2515 COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
2516 COMPATIBLE_IOCTL(VIDEO_STOP)
2517 COMPATIBLE_IOCTL(VIDEO_PLAY)
2518 COMPATIBLE_IOCTL(VIDEO_FREEZE)
2519 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
2520 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
2521 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
2522 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
2523 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
2524 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
2525 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
2526 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
2527 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
2528 COMPATIBLE_IOCTL(VIDEO_SET_ID)
2529 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
2530 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
2531 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
2532 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
2533 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
2534 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
2535 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
2536 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
2537 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
2538 
2539 /* joystick */
2540 COMPATIBLE_IOCTL(JSIOCGVERSION)
2541 COMPATIBLE_IOCTL(JSIOCGAXES)
2542 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
2543 COMPATIBLE_IOCTL(JSIOCGNAME(0))
2544 
2545 /* now things that need handlers */
2546 HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob)
2547 HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob)
2548 #ifdef CONFIG_NET
2549 HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
2550 HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
2551 HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
2552 HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
2553 HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
2554 HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
2555 HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
2556 HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
2557 HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
2558 HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
2559 HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
2560 HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
2561 HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
2562 HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
2563 HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
2564 HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
2565 HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
2566 HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
2567 HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
2568 HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc)
2569 
2570 /* ioctls used by appletalk ddp.c */
2571 HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
2572 HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
2573 HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
2574 HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
2575 
2576 HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
2577 HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
2578 HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
2579 HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
2580 HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
2581 HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
2582 HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
2583 HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
2584 HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
2585 HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
2586 HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
2587 HANDLE_IOCTL(TUNGETIFF, dev_ifsioc)
2588 HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
2589 HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
2590 HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
2591 HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
2592 HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
2593 HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
2594 HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
2595 HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
2596 HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
2597 HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
2598 HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
2599 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
2600 HANDLE_IOCTL(SIOCRTMSG, ret_einval)
2601 HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
2602 HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns)
2603 #endif
2604 #ifdef CONFIG_BLOCK
2605 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
2606 HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans)
2607 #endif
2608 HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans)
2609 HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans)
2610 HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans)
2611 HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans)
2612 #ifdef CONFIG_BLOCK
2613 HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans)
2614 HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans)
2615 #endif
2616 #define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
2617 HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout)
2618 #ifdef CONFIG_VT
2619 HANDLE_IOCTL(PIO_FONTX, do_fontx_ioctl)
2620 HANDLE_IOCTL(GIO_FONTX, do_fontx_ioctl)
2621 HANDLE_IOCTL(PIO_UNIMAP, do_unimap_ioctl)
2622 HANDLE_IOCTL(GIO_UNIMAP, do_unimap_ioctl)
2623 HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
2624 #endif
2625 /* One SMB ioctl needs translations. */
2626 #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
2627 HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)
2628 HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
2629 HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
2630 HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
2631 HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
2632 HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
2633 HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
2634 HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
2635 HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
2636 HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
2637 HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
2638 HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
2639 HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
2640 HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
2641 HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
2642 HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
2643 HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
2644 HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
2645 HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
2646 HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
2647 HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
2648 HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
2649 HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
2650 HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
2651 HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
2652 HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
2653 /* block stuff */
2654 #ifdef CONFIG_BLOCK
2655 /* Raw devices */
2656 HANDLE_IOCTL(RAW_SETBIND, raw_ioctl)
2657 HANDLE_IOCTL(RAW_GETBIND, raw_ioctl)
2658 #endif
2659 /* Serial */
2660 HANDLE_IOCTL(TIOCGSERIAL, serial_struct_ioctl)
2661 HANDLE_IOCTL(TIOCSSERIAL, serial_struct_ioctl)
2662 #ifdef TIOCGLTC
2663 COMPATIBLE_IOCTL(TIOCGLTC)
2664 COMPATIBLE_IOCTL(TIOCSLTC)
2665 #endif
2666 #ifdef TIOCSTART
2667 /*
2668  * For these two we have defintions in ioctls.h and/or termios.h on
2669  * some architectures but no actual implemention.  Some applications
2670  * like bash call them if they are defined in the headers, so we provide
2671  * entries here to avoid syslog message spew.
2672  */
2673 COMPATIBLE_IOCTL(TIOCSTART)
2674 COMPATIBLE_IOCTL(TIOCSTOP)
2675 #endif
2676 /* Usbdevfs */
2677 HANDLE_IOCTL(USBDEVFS_CONTROL32, do_usbdevfs_control)
2678 HANDLE_IOCTL(USBDEVFS_BULK32, do_usbdevfs_bulk)
2679 HANDLE_IOCTL(USBDEVFS_DISCSIGNAL32, do_usbdevfs_discsignal)
2680 COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
2681 /* i2c */
2682 HANDLE_IOCTL(I2C_FUNCS, w_long)
2683 HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
2684 HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
2685 /* bridge */
2686 HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
2687 HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
2688 /* Not implemented in the native kernel */
2689 IGNORE_IOCTL(SIOCGIFCOUNT)
2690 HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
2691 HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
2692 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
2693 HANDLE_IOCTL(RTC_EPOCH_SET32, rtc_ioctl)
2694 
2695 /* dvb */
2696 HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event)
2697 HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture)
2698 HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette)
2699 
2700 /* parport */
2701 COMPATIBLE_IOCTL(LPTIME)
2702 COMPATIBLE_IOCTL(LPCHAR)
2703 COMPATIBLE_IOCTL(LPABORTOPEN)
2704 COMPATIBLE_IOCTL(LPCAREFUL)
2705 COMPATIBLE_IOCTL(LPWAIT)
2706 COMPATIBLE_IOCTL(LPSETIRQ)
2707 COMPATIBLE_IOCTL(LPGETSTATUS)
2708 COMPATIBLE_IOCTL(LPGETSTATUS)
2709 COMPATIBLE_IOCTL(LPRESET)
2710 /*LPGETSTATS not implemented, but no kernels seem to compile it in anyways*/
2711 COMPATIBLE_IOCTL(LPGETFLAGS)
2712 HANDLE_IOCTL(LPSETTIMEOUT, lp_timeout_trans)
2713 
2714 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
2715    but we don't want warnings on other file systems. So declare
2716    them as compatible here. */
2717 #define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
2718 #define VFAT_IOCTL_READDIR_SHORT32      _IOR('r', 2, struct compat_dirent[2])
2719 
2720 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
2721 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
2722 
2723 /* loop */
2724 IGNORE_IOCTL(LOOP_CLR_FD)
2725 
2726 #ifdef CONFIG_SPARC
2727 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
2728 IGNORE_IOCTL(FBIOGTYPE)
2729 IGNORE_IOCTL(FBIOSATTR)
2730 IGNORE_IOCTL(FBIOGATTR)
2731 IGNORE_IOCTL(FBIOSVIDEO)
2732 IGNORE_IOCTL(FBIOGVIDEO)
2733 IGNORE_IOCTL(FBIOSCURPOS)
2734 IGNORE_IOCTL(FBIOGCURPOS)
2735 IGNORE_IOCTL(FBIOGCURMAX)
2736 IGNORE_IOCTL(FBIOPUTCMAP32)
2737 IGNORE_IOCTL(FBIOGETCMAP32)
2738 IGNORE_IOCTL(FBIOSCURSOR32)
2739 IGNORE_IOCTL(FBIOGCURSOR32)
2740 #endif
2741 };
2742 
2743 #define IOCTL_HASHSIZE 256
2744 static struct ioctl_trans *ioctl32_hash_table[IOCTL_HASHSIZE];
2745 
ioctl32_hash(unsigned long cmd)2746 static inline unsigned long ioctl32_hash(unsigned long cmd)
2747 {
2748 	return (((cmd >> 6) ^ (cmd >> 4) ^ cmd)) % IOCTL_HASHSIZE;
2749 }
2750 
compat_ioctl_error(struct file * filp,unsigned int fd,unsigned int cmd,unsigned long arg)2751 static void compat_ioctl_error(struct file *filp, unsigned int fd,
2752 		unsigned int cmd, unsigned long arg)
2753 {
2754 	char buf[10];
2755 	char *fn = "?";
2756 	char *path;
2757 
2758 	/* find the name of the device. */
2759 	path = (char *)__get_free_page(GFP_KERNEL);
2760 	if (path) {
2761 		fn = d_path(&filp->f_path, path, PAGE_SIZE);
2762 		if (IS_ERR(fn))
2763 			fn = "?";
2764 	}
2765 
2766 	 sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);
2767 	if (!isprint(buf[1]))
2768 		sprintf(buf, "%02x", buf[1]);
2769 	compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
2770 			"cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n",
2771 			current->comm, current->pid,
2772 			(int)fd, (unsigned int)cmd, buf,
2773 			(cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,
2774 			(unsigned int)arg, fn);
2775 
2776 	if (path)
2777 		free_page((unsigned long)path);
2778 }
2779 
compat_sys_ioctl(unsigned int fd,unsigned int cmd,unsigned long arg)2780 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
2781 				unsigned long arg)
2782 {
2783 	struct file *filp;
2784 	int error = -EBADF;
2785 	struct ioctl_trans *t;
2786 	int fput_needed;
2787 
2788 	filp = fget_light(fd, &fput_needed);
2789 	if (!filp)
2790 		goto out;
2791 
2792 	/* RED-PEN how should LSM module know it's handling 32bit? */
2793 	error = security_file_ioctl(filp, cmd, arg);
2794 	if (error)
2795 		goto out_fput;
2796 
2797 	/*
2798 	 * To allow the compat_ioctl handlers to be self contained
2799 	 * we need to check the common ioctls here first.
2800 	 * Just handle them with the standard handlers below.
2801 	 */
2802 	switch (cmd) {
2803 	case FIOCLEX:
2804 	case FIONCLEX:
2805 	case FIONBIO:
2806 	case FIOASYNC:
2807 	case FIOQSIZE:
2808 		break;
2809 
2810 	case FIBMAP:
2811 	case FIGETBSZ:
2812 	case FIONREAD:
2813 		if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
2814 			break;
2815 		/*FALL THROUGH*/
2816 
2817 	default:
2818 		if (filp->f_op && filp->f_op->compat_ioctl) {
2819 			error = filp->f_op->compat_ioctl(filp, cmd, arg);
2820 			if (error != -ENOIOCTLCMD)
2821 				goto out_fput;
2822 		}
2823 
2824 		if (!filp->f_op ||
2825 		    (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl))
2826 			goto do_ioctl;
2827 		break;
2828 	}
2829 
2830 	for (t = ioctl32_hash_table[ioctl32_hash(cmd)]; t; t = t->next) {
2831 		if (t->cmd == cmd)
2832 			goto found_handler;
2833 	}
2834 
2835 #ifdef CONFIG_NET
2836 	if (S_ISSOCK(filp->f_path.dentry->d_inode->i_mode) &&
2837 	    cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
2838 		error = siocdevprivate_ioctl(fd, cmd, arg);
2839 	} else
2840 #endif
2841 	{
2842 		static int count;
2843 
2844 		if (++count <= 50)
2845 			compat_ioctl_error(filp, fd, cmd, arg);
2846 		error = -EINVAL;
2847 	}
2848 
2849 	goto out_fput;
2850 
2851  found_handler:
2852 	if (t->handler) {
2853 		lock_kernel();
2854 		error = t->handler(fd, cmd, arg, filp);
2855 		unlock_kernel();
2856 		goto out_fput;
2857 	}
2858 
2859  do_ioctl:
2860 	error = do_vfs_ioctl(filp, fd, cmd, arg);
2861  out_fput:
2862 	fput_light(filp, fput_needed);
2863  out:
2864 	return error;
2865 }
2866 
ioctl32_insert_translation(struct ioctl_trans * trans)2867 static void ioctl32_insert_translation(struct ioctl_trans *trans)
2868 {
2869 	unsigned long hash;
2870 	struct ioctl_trans *t;
2871 
2872 	hash = ioctl32_hash (trans->cmd);
2873 	if (!ioctl32_hash_table[hash])
2874 		ioctl32_hash_table[hash] = trans;
2875 	else {
2876 		t = ioctl32_hash_table[hash];
2877 		while (t->next)
2878 			t = t->next;
2879 		trans->next = NULL;
2880 		t->next = trans;
2881 	}
2882 }
2883 
init_sys32_ioctl(void)2884 static int __init init_sys32_ioctl(void)
2885 {
2886 	int i;
2887 
2888 	for (i = 0; i < ARRAY_SIZE(ioctl_start); i++) {
2889 		if (ioctl_start[i].next) {
2890 			printk("ioctl translation %d bad\n",i);
2891 			return -1;
2892 		}
2893 
2894 		ioctl32_insert_translation(&ioctl_start[i]);
2895 	}
2896 	return 0;
2897 }
2898 __initcall(init_sys32_ioctl);
2899