xref: /netbsd-src/sys/compat/netbsd32/netbsd32_ioctl.c (revision 06be8101a16cc95f40783b3cb7afd12112103a9a)
1 /*	$NetBSD: netbsd32_ioctl.c,v 1.13 2001/11/13 02:09:06 lukem Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 2001 Matthew R. Green
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 /*
32  * handle ioctl conversions from netbsd32 -> sparc64
33  */
34 
35 #include <sys/cdefs.h>
36 __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.13 2001/11/13 02:09:06 lukem Exp $");
37 
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/filedesc.h>
41 #include <sys/ioctl.h>
42 #include <sys/file.h>
43 #include <sys/proc.h>
44 #include <sys/socketvar.h>
45 #include <sys/audioio.h>
46 #include <sys/disklabel.h>
47 #include <sys/dkio.h>
48 #include <sys/malloc.h>
49 #include <sys/proc.h>
50 #include <sys/sockio.h>
51 #include <sys/socket.h>
52 #include <sys/ttycom.h>
53 #include <sys/mount.h>
54 #include <sys/syscallargs.h>
55 
56 #ifdef __sparc__
57 #include <dev/sun/fbio.h>
58 #include <machine/openpromio.h>
59 #endif
60 
61 #include <net/if.h>
62 #include <net/route.h>
63 
64 #include <netinet/in.h>
65 #include <netinet/in_var.h>
66 #include <netinet/igmp.h>
67 #include <netinet/igmp_var.h>
68 #include <netinet/ip_mroute.h>
69 
70 #include <compat/netbsd32/netbsd32.h>
71 #include <compat/netbsd32/netbsd32_ioctl.h>
72 #include <compat/netbsd32/netbsd32_syscallargs.h>
73 
74 /* prototypes for the converters */
75 #ifdef __sparc__
76 static __inline void
77 netbsd32_to_fbcmap(struct netbsd32_fbcmap *, struct fbcmap *, u_long);
78 static __inline void
79 netbsd32_to_fbcursor(struct netbsd32_fbcursor *, struct fbcursor *, u_long);
80 static __inline void
81 netbsd32_to_opiocdesc(struct netbsd32_opiocdesc *, struct opiocdesc *, u_long);
82 #endif
83 static __inline void
84 netbsd32_to_partinfo(struct netbsd32_partinfo *, struct partinfo *, u_long);
85 static __inline void
86 netbsd32_to_format_op(struct netbsd32_format_op *, struct format_op *, u_long);
87 static __inline void
88 netbsd32_to_ifconf(struct netbsd32_ifconf *, struct ifconf *, u_long);
89 static __inline void
90 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *, struct ifmediareq *, u_long);
91 static __inline void
92 netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *, u_long);
93 static __inline void
94 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *, struct sioc_vif_req *, u_long);
95 static __inline void
96 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *, struct sioc_sg_req *, u_long);
97 
98 #ifdef __sparc__
99 static __inline void
100 netbsd32_from_fbcmap(struct fbcmap *, struct netbsd32_fbcmap *);
101 static __inline void
102 netbsd32_from_fbcursor(struct fbcursor *, struct netbsd32_fbcursor *);
103 static __inline void
104 netbsd32_from_opiocdesc(struct opiocdesc *, struct netbsd32_opiocdesc *);
105 #endif
106 static __inline void
107 netbsd32_from_partinfo(struct partinfo *, struct netbsd32_partinfo *);
108 static __inline void
109 netbsd32_from_format_op(struct format_op *, struct netbsd32_format_op *);
110 static __inline void
111 netbsd32_from_ifconf(struct ifconf *, struct netbsd32_ifconf *);
112 static __inline void
113 netbsd32_from_ifmediareq(struct ifmediareq *, struct netbsd32_ifmediareq *);
114 static __inline void
115 netbsd32_from_ifdrv(struct ifdrv *, struct netbsd32_ifdrv *);
116 static __inline void
117 netbsd32_from_sioc_vif_req(struct sioc_vif_req *, struct netbsd32_sioc_vif_req *);
118 static __inline void
119 netbsd32_from_sioc_sg_req(struct sioc_sg_req *, struct netbsd32_sioc_sg_req *);
120 
121 /* convert to/from different structures */
122 
123 #ifdef __sparc__
124 
125 static __inline void
126 netbsd32_to_fbcmap(s32p, p, cmd)
127 	struct netbsd32_fbcmap *s32p;
128 	struct fbcmap *p;
129 	u_long cmd;
130 {
131 
132 	p->index = s32p->index;
133 	p->count = s32p->count;
134 	p->red = (u_char *)(u_long)s32p->red;
135 	p->green = (u_char *)(u_long)s32p->green;
136 	p->blue = (u_char *)(u_long)s32p->blue;
137 }
138 
139 static __inline void
140 netbsd32_to_fbcursor(s32p, p, cmd)
141 	struct netbsd32_fbcursor *s32p;
142 	struct fbcursor *p;
143 	u_long cmd;
144 {
145 
146 	p->set = s32p->set;
147 	p->enable = s32p->enable;
148 	p->pos = s32p->pos;
149 	p->hot = s32p->hot;
150 	netbsd32_to_fbcmap(&s32p->cmap, &p->cmap, cmd);
151 	p->size = s32p->size;
152 	p->image = (char *)(u_long)s32p->image;
153 	p->mask = (char *)(u_long)s32p->mask;
154 }
155 
156 static __inline void
157 netbsd32_to_opiocdesc(s32p, p, cmd)
158 	struct netbsd32_opiocdesc *s32p;
159 	struct opiocdesc *p;
160 	u_long cmd;
161 {
162 
163 	p->op_nodeid = s32p->op_nodeid;
164 	p->op_namelen = s32p->op_namelen;
165 	p->op_name = (char *)(u_long)s32p->op_name;
166 	p->op_buflen = s32p->op_buflen;
167 	p->op_buf = (char *)(u_long)s32p->op_buf;
168 }
169 #endif
170 
171 static __inline void
172 netbsd32_to_partinfo(s32p, p, cmd)
173 	struct netbsd32_partinfo *s32p;
174 	struct partinfo *p;
175 	u_long cmd;
176 {
177 
178 	p->disklab = (struct disklabel *)(u_long)s32p->disklab;
179 	p->part = (struct partition *)(u_long)s32p->part;
180 }
181 
182 static __inline void
183 netbsd32_to_format_op(s32p, p, cmd)
184 	struct netbsd32_format_op *s32p;
185 	struct format_op *p;
186 	u_long cmd;
187 {
188 
189 	p->df_buf = (char *)(u_long)s32p->df_buf;
190 	p->df_count = s32p->df_count;
191 	p->df_startblk = s32p->df_startblk;
192 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
193 }
194 
195 #if 0 /* XXX see below */
196 static __inline void
197 netbsd32_to_ifreq(s32p, p, cmd)
198 	struct netbsd32_ifreq *s32p;
199 	struct ifreq *p;
200 	u_long cmd;	/* XXX unused yet */
201 {
202 
203 	/*
204 	 * XXX
205 	 * struct ifreq says the same, but sometimes the ifr_data
206 	 * union member needs to be converted to 64 bits... this
207 	 * is very driver specific and so we ignore it for now..
208 	 */
209 	memcpy(p, s32p, sizeof *s32p);
210 }
211 #endif
212 
213 static __inline void
214 netbsd32_to_ifconf(s32p, p, cmd)
215 	struct netbsd32_ifconf *s32p;
216 	struct ifconf *p;
217 	u_long cmd;
218 {
219 
220 	p->ifc_len = s32p->ifc_len;
221 	/* ifc_buf & ifc_req are the same size so this works */
222 	p->ifc_buf = (caddr_t)(u_long)s32p->ifc_buf;
223 }
224 
225 static __inline void
226 netbsd32_to_ifmediareq(s32p, p, cmd)
227 	struct netbsd32_ifmediareq *s32p;
228 	struct ifmediareq *p;
229 	u_long cmd;
230 {
231 
232 	memcpy(p, s32p, sizeof *s32p);
233 	p->ifm_ulist = (int *)(u_long)s32p->ifm_ulist;
234 }
235 
236 static __inline void
237 netbsd32_to_ifdrv(s32p, p, cmd)
238 	struct netbsd32_ifdrv *s32p;
239 	struct ifdrv *p;
240 	u_long cmd;
241 {
242 
243 	memcpy(p, s32p, sizeof *s32p);
244 	p->ifd_data = (void *)(u_long)s32p->ifd_data;
245 }
246 
247 static __inline void
248 netbsd32_to_sioc_vif_req(s32p, p, cmd)
249 	struct netbsd32_sioc_vif_req *s32p;
250 	struct sioc_vif_req *p;
251 	u_long cmd;
252 {
253 
254 	p->vifi = s32p->vifi;
255 	p->icount = (u_long)s32p->icount;
256 	p->ocount = (u_long)s32p->ocount;
257 	p->ibytes = (u_long)s32p->ibytes;
258 	p->obytes = (u_long)s32p->obytes;
259 }
260 
261 static __inline void
262 netbsd32_to_sioc_sg_req(s32p, p, cmd)
263 	struct netbsd32_sioc_sg_req *s32p;
264 	struct sioc_sg_req *p;
265 	u_long cmd;
266 {
267 
268 	p->src = s32p->src;
269 	p->grp = s32p->grp;
270 	p->pktcnt = (u_long)s32p->pktcnt;
271 	p->bytecnt = (u_long)s32p->bytecnt;
272 	p->wrong_if = (u_long)s32p->wrong_if;
273 }
274 
275 /*
276  * handle ioctl conversions from sparc64 -> netbsd32
277  */
278 
279 #ifdef __sparc__
280 
281 static __inline void
282 netbsd32_from_fbcmap(p, s32p)
283 	struct fbcmap *p;
284 	struct netbsd32_fbcmap *s32p;
285 {
286 
287 	s32p->index = p->index;
288 	s32p->count = p->count;
289 /* filled in */
290 #if 0
291 	s32p->red = (netbsd32_u_charp)p->red;
292 	s32p->green = (netbsd32_u_charp)p->green;
293 	s32p->blue = (netbsd32_u_charp)p->blue;
294 #endif
295 }
296 
297 static __inline void
298 netbsd32_from_fbcursor(p, s32p)
299 	struct fbcursor *p;
300 	struct netbsd32_fbcursor *s32p;
301 {
302 
303 	s32p->set = p->set;
304 	s32p->enable = p->enable;
305 	s32p->pos = p->pos;
306 	s32p->hot = p->hot;
307 	netbsd32_from_fbcmap(&p->cmap, &s32p->cmap);
308 	s32p->size = p->size;
309 /* filled in */
310 #if 0
311 	s32p->image = (netbsd32_charp)p->image;
312 	s32p->mask = (netbsd32_charp)p->mask;
313 #endif
314 }
315 
316 static __inline void
317 netbsd32_from_opiocdesc(p, s32p)
318 	struct opiocdesc *p;
319 	struct netbsd32_opiocdesc *s32p;
320 {
321 
322 	s32p->op_nodeid = p->op_nodeid;
323 	s32p->op_namelen = p->op_namelen;
324 	s32p->op_name = (netbsd32_charp)(u_long)p->op_name;
325 	s32p->op_buflen = p->op_buflen;
326 	s32p->op_buf = (netbsd32_charp)(u_long)p->op_buf;
327 }
328 
329 #endif
330 
331 static __inline void
332 netbsd32_from_partinfo(p, s32p)
333 	struct partinfo *p;
334 	struct netbsd32_partinfo *s32p;
335 {
336 
337 	s32p->disklab = (netbsd32_disklabel_tp_t)(u_long)p->disklab;
338 	s32p->part = s32p->part;
339 }
340 
341 static __inline void
342 netbsd32_from_format_op(p, s32p)
343 	struct format_op *p;
344 	struct netbsd32_format_op *s32p;
345 {
346 
347 /* filled in */
348 #if 0
349 	s32p->df_buf = (netbsd32_charp)p->df_buf;
350 #endif
351 	s32p->df_count = p->df_count;
352 	s32p->df_startblk = p->df_startblk;
353 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
354 }
355 
356 #if 0 /* XXX see below */
357 static __inline void
358 netbsd32_from_ifreq(p, s32p, cmd)
359 	struct ifreq *p;
360 	struct netbsd32_ifreq *s32p;
361 	u_long cmd;	/* XXX unused yet */
362 {
363 
364 	/*
365 	 * XXX
366 	 * struct ifreq says the same, but sometimes the ifr_data
367 	 * union member needs to be converted to 64 bits... this
368 	 * is very driver specific and so we ignore it for now..
369 	 */
370 	*s32p = *p;
371 }
372 #endif
373 
374 static __inline void
375 netbsd32_from_ifconf(p, s32p)
376 	struct ifconf *p;
377 	struct netbsd32_ifconf *s32p;
378 {
379 
380 	s32p->ifc_len = p->ifc_len;
381 	/* ifc_buf & ifc_req are the same size so this works */
382 	s32p->ifc_buf = (netbsd32_caddr_t)(u_long)p->ifc_buf;
383 }
384 
385 static __inline void
386 netbsd32_from_ifmediareq(p, s32p)
387 	struct ifmediareq *p;
388 	struct netbsd32_ifmediareq *s32p;
389 {
390 
391 	memcpy(s32p, p, sizeof *p);
392 /* filled in? */
393 #if 0
394 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
395 #endif
396 }
397 
398 static __inline void
399 netbsd32_from_ifdrv(p, s32p)
400 	struct ifdrv *p;
401 	struct netbsd32_ifdrv *s32p;
402 {
403 
404 	memcpy(s32p, p, sizeof *p);
405 /* filled in? */
406 #if 0
407 	s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
408 #endif
409 }
410 
411 static __inline void
412 netbsd32_from_sioc_vif_req(p, s32p)
413 	struct sioc_vif_req *p;
414 	struct netbsd32_sioc_vif_req *s32p;
415 {
416 
417 	s32p->vifi = p->vifi;
418 	s32p->icount = (netbsd32_u_long)p->icount;
419 	s32p->ocount = (netbsd32_u_long)p->ocount;
420 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
421 	s32p->obytes = (netbsd32_u_long)p->obytes;
422 }
423 
424 static __inline void
425 netbsd32_from_sioc_sg_req(p, s32p)
426 	struct sioc_sg_req *p;
427 	struct netbsd32_sioc_sg_req *s32p;
428 {
429 
430 	s32p->src = p->src;
431 	s32p->grp = p->grp;
432 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
433 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
434 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
435 }
436 
437 
438 /*
439  * main ioctl syscall.
440  *
441  * ok, here we are in the biggy.  we have to do fix ups depending
442  * on the ioctl command before and afterwards.
443  */
444 int
445 netbsd32_ioctl(p, v, retval)
446 	struct proc *p;
447 	void *v;
448 	register_t *retval;
449 {
450 	struct netbsd32_ioctl_args /* {
451 		syscallarg(int) fd;
452 		syscallarg(netbsd32_u_long) com;
453 		syscallarg(netbsd32_voidp) data;
454 	} */ *uap = v;
455 	struct file *fp;
456 	struct filedesc *fdp;
457 	u_long com;
458 	int error = 0;
459 	u_int size, size32;
460 	caddr_t data, memp = NULL;
461 	caddr_t data32, memp32 = NULL;
462 	int tmp;
463 #define STK_PARAMS	128
464 	u_long stkbuf[STK_PARAMS/sizeof(u_long)];
465 	u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
466 
467 	/*
468 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
469 	 * some after (_IOR), and some both (_IOWR).
470 	 */
471 #if 0
472 	{
473 char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
474 		"INOUT", "VOID|IN|OUT!" };
475 
476 printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n",
477        SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data),
478        dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
479        IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
480        IOCPARM_LEN(SCARG(uap, com)));
481 	}
482 #endif
483 
484 	fdp = p->p_fd;
485 	if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
486 		return (EBADF);
487 
488 	FILE_USE(fp);
489 
490 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
491 		error = EBADF;
492 		goto out;
493 	}
494 
495 	switch (com = SCARG(uap, com)) {
496 	case FIONCLEX:
497 		fdp->fd_ofileflags[SCARG(uap, fd)] &= ~UF_EXCLOSE;
498 		goto out;
499 
500 	case FIOCLEX:
501 		fdp->fd_ofileflags[SCARG(uap, fd)] |= UF_EXCLOSE;
502 		goto out;
503 	}
504 
505 	/*
506 	 * Interpret high order word to find amount of data to be
507 	 * copied to/from the user's address space.
508 	 */
509 	size32 = IOCPARM_LEN(com);
510 	if (size32 > IOCPARM_MAX) {
511 		error = ENOTTY;
512 		goto out;
513 	}
514 	memp = NULL;
515 	if (size32 > sizeof(stkbuf)) {
516 		memp32 = (caddr_t)malloc((u_long)size32, M_IOCTLOPS, M_WAITOK);
517 		data32 = memp32;
518 	} else
519 		data32 = (caddr_t)stkbuf32;
520 	if (com&IOC_IN) {
521 		if (size32) {
522 			error = copyin((caddr_t)(u_long)SCARG(uap, data),
523 				       data32, size32);
524 			if (error) {
525 				if (memp32)
526 					free(memp32, M_IOCTLOPS);
527 				goto out;
528 			}
529 		} else
530 			*(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data);
531 	} else if ((com&IOC_OUT) && size32)
532 		/*
533 		 * Zero the buffer so the user always
534 		 * gets back something deterministic.
535 		 */
536 		memset(data32, 0, size32);
537 	else if (com&IOC_VOID)
538 		*(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data);
539 
540 /* we define some handy macros here... */
541 #define IOCTL_STRUCT_CONV_TO(cmd, type)	\
542 		com = cmd; \
543 		size = IOCPARM_LEN(com); \
544 		if (size > sizeof(stkbuf)) \
545 			data = memp = malloc(size, M_IOCTLOPS, M_WAITOK); \
546 		else \
547 			data = (caddr_t)stkbuf; \
548 		__CONCAT(netbsd32_to_, type)((struct __CONCAT(netbsd32_, type) *) \
549 			data32, (struct type *)data, com); \
550 		error = (*fp->f_ops->fo_ioctl)(fp, com, data, p); \
551 		__CONCAT(netbsd32_from_, type)((struct type *)data, \
552 			(struct __CONCAT(netbsd32_, type) *)data32); \
553 		break
554 
555 	/*
556 	 * convert various structures, pointers, and other objects that
557 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
558 	 */
559 	switch (SCARG(uap, com)) {
560 	case FIONBIO:
561 		if ((tmp = *(int *)data32) != 0)
562 			fp->f_flag |= FNONBLOCK;
563 		else
564 			fp->f_flag &= ~FNONBLOCK;
565 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (caddr_t)&tmp, p);
566 		break;
567 
568 	case FIOASYNC:
569 		if ((tmp = *(int *)data32) != 0)
570 			fp->f_flag |= FASYNC;
571 		else
572 			fp->f_flag &= ~FASYNC;
573 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (caddr_t)&tmp, p);
574 		break;
575 
576 	case FIOSETOWN:
577 		tmp = *(int *)data32;
578 		if (fp->f_type == DTYPE_SOCKET) {
579 			((struct socket *)fp->f_data)->so_pgid = tmp;
580 			error = 0;
581 			break;
582 		}
583 		if (tmp <= 0) {
584 			tmp = -tmp;
585 		} else {
586 			struct proc *p1 = pfind(tmp);
587 			if (p1 == 0) {
588 				error = ESRCH;
589 				break;
590 			}
591 			tmp = p1->p_pgrp->pg_id;
592 		}
593 		error = (*fp->f_ops->fo_ioctl)
594 			(fp, TIOCSPGRP, (caddr_t)&tmp, p);
595 		break;
596 
597 	case FIOGETOWN:
598 		if (fp->f_type == DTYPE_SOCKET) {
599 			error = 0;
600 			*(int *)data32 = ((struct socket *)fp->f_data)->so_pgid;
601 			break;
602 		}
603 		error = (*fp->f_ops->fo_ioctl)(fp, TIOCGPGRP, data32, p);
604 		*(int *)data32 = -*(int *)data32;
605 		break;
606 
607 #ifdef __sparc__
608 /*
609  * Here are calls that need explicit conversion.
610  */
611 	case FBIOPUTCMAP32:
612 		IOCTL_STRUCT_CONV_TO(FBIOPUTCMAP, fbcmap);
613 	case FBIOGETCMAP32:
614 		IOCTL_STRUCT_CONV_TO(FBIOGETCMAP, fbcmap);
615 
616 	case FBIOSCURSOR32:
617 		IOCTL_STRUCT_CONV_TO(FBIOSCURSOR, fbcursor);
618 	case FBIOGCURSOR32:
619 		IOCTL_STRUCT_CONV_TO(FBIOGCURSOR, fbcursor);
620 
621 	case OPIOCGET32:
622 		IOCTL_STRUCT_CONV_TO(OPIOCGET, opiocdesc);
623 	case OPIOCSET32:
624 		IOCTL_STRUCT_CONV_TO(OPIOCSET, opiocdesc);
625 	case OPIOCNEXTPROP32:
626 		IOCTL_STRUCT_CONV_TO(OPIOCNEXTPROP, opiocdesc);
627 #endif
628 
629 	case DIOCGPART32:
630 		IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
631 
632 	case DIOCRFORMAT32:
633 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
634 	case DIOCWFORMAT32:
635 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
636 
637 /*
638  * only a few ifreq syscalls need conversion and those are
639  * all driver specific... XXX
640  */
641 #if 0
642 	case SIOCGADDRROM3232:
643 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
644 	case SIOCGCHIPID32:
645 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
646 	case SIOCSIFADDR32:
647 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
648 	case OSIOCGIFADDR32:
649 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
650 	case SIOCGIFADDR32:
651 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
652 	case SIOCSIFDSTADDR32:
653 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
654 	case OSIOCGIFDSTADDR32:
655 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
656 	case SIOCGIFDSTADDR32:
657 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
658 	case SIOCSIFFLAGS32:
659 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
660 	case SIOCGIFFLAGS32:
661 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
662 	case OSIOCGIFBRDADDR32:
663 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
664 	case SIOCGIFBRDADDR32:
665 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
666 	case SIOCSIFBRDADDR32:
667 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
668 	case OSIOCGIFNETMASK32:
669 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
670 	case SIOCGIFNETMASK32:
671 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
672 	case SIOCSIFNETMASK32:
673 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
674 	case SIOCGIFMETRIC32:
675 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
676 	case SIOCSIFMETRIC32:
677 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
678 	case SIOCDIFADDR32:
679 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
680 	case SIOCADDMULTI32:
681 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
682 	case SIOCDELMULTI32:
683 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
684 	case SIOCSIFMEDIA32:
685 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
686 	case SIOCSIFMTU32:
687 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
688 	case SIOCGIFMTU32:
689 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
690 	case SIOCSIFASYNCMAP32:
691 		IOCTL_STRUCT_CONV_TO(SIOCSIFASYNCMAP, ifreq);
692 	case SIOCGIFASYNCMAP32:
693 		IOCTL_STRUCT_CONV_TO(SIOCGIFASYNCMAP, ifreq);
694 /*		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq); READ ONLY */
695 	case BIOCSETIF32:
696 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
697 	case SIOCPHASE132:
698 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
699 	case SIOCPHASE232:
700 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
701 #endif
702 
703 	case OSIOCGIFCONF32:
704 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
705 	case SIOCGIFCONF32:
706 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
707 
708 	case SIOCGIFMEDIA32:
709 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
710 
711 	case SIOCSDRVSPEC32:
712 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
713 
714 	case SIOCGETVIFCNT32:
715 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
716 
717 	case SIOCGETSGCNT32:
718 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
719 
720 	default:
721 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32, p);
722 		break;
723 	}
724 
725 	/*
726 	 * Copy any data to user, size was
727 	 * already set and checked above.
728 	 */
729 	if (error == 0 && (com&IOC_OUT) && size32)
730 		error = copyout(data32, (caddr_t)(u_long)SCARG(uap, data), size32);
731 
732 	/* if we malloced data, free it here */
733 	if (memp32)
734 		free(memp32, M_IOCTLOPS);
735 	if (memp)
736 		free(memp, M_IOCTLOPS);
737 
738  out:
739 	FILE_UNUSE(fp, p);
740 	return (error);
741 }
742