xref: /netbsd-src/sys/compat/netbsd32/netbsd32_ioctl.c (revision 5aefcfdc06931dd97e76246d2fe0302f7b3fe094)
1 /*	$NetBSD: netbsd32_ioctl.c,v 1.8 2000/12/05 15:25:57 eeh Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 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/param.h>
36 #include <sys/systm.h>
37 #include <sys/filedesc.h>
38 #include <sys/ioctl.h>
39 #include <sys/file.h>
40 #include <sys/proc.h>
41 #include <sys/socketvar.h>
42 #include <sys/audioio.h>
43 #include <sys/disklabel.h>
44 #include <sys/dkio.h>
45 #include <sys/malloc.h>
46 #include <sys/proc.h>
47 #include <sys/sockio.h>
48 #include <sys/socket.h>
49 #include <sys/ttycom.h>
50 #include <sys/mount.h>
51 #include <sys/syscallargs.h>
52 
53 #include <machine/fbio.h>
54 #include <machine/openpromio.h>
55 
56 #include <net/if.h>
57 #include <net/route.h>
58 
59 #include <netinet/in.h>
60 #include <netinet/in_var.h>
61 #include <netinet/igmp.h>
62 #include <netinet/igmp_var.h>
63 #include <netinet/ip_mroute.h>
64 
65 #include <compat/netbsd32/netbsd32.h>
66 #include <compat/netbsd32/netbsd32_ioctl.h>
67 #include <compat/netbsd32/netbsd32_syscallargs.h>
68 
69 /* prototypes for the converters */
70 static __inline void
71 netbsd32_to_fbcmap(struct netbsd32_fbcmap *, struct fbcmap *, u_long);
72 static __inline void
73 netbsd32_to_fbcursor(struct netbsd32_fbcursor *, struct fbcursor *, u_long);
74 static __inline void
75 netbsd32_to_opiocdesc(struct netbsd32_opiocdesc *, struct opiocdesc *, u_long);
76 static __inline void
77 netbsd32_to_partinfo(struct netbsd32_partinfo *, struct partinfo *, u_long);
78 static __inline void
79 netbsd32_to_format_op(struct netbsd32_format_op *, struct format_op *, u_long);
80 static __inline void
81 netbsd32_to_ifconf(struct netbsd32_ifconf *, struct ifconf *, u_long);
82 static __inline void
83 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *, struct ifmediareq *, u_long);
84 static __inline void
85 netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *, u_long);
86 static __inline void
87 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *, struct sioc_vif_req *, u_long);
88 static __inline void
89 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *, struct sioc_sg_req *, u_long);
90 
91 static __inline void
92 netbsd32_from_fbcmap(struct fbcmap *, struct netbsd32_fbcmap *);
93 static __inline void
94 netbsd32_from_fbcursor(struct fbcursor *, struct netbsd32_fbcursor *);
95 static __inline void
96 netbsd32_from_opiocdesc(struct opiocdesc *, struct netbsd32_opiocdesc *);
97 static __inline void
98 netbsd32_from_partinfo(struct partinfo *, struct netbsd32_partinfo *);
99 static __inline void
100 netbsd32_from_format_op(struct format_op *, struct netbsd32_format_op *);
101 static __inline void
102 netbsd32_from_ifconf(struct ifconf *, struct netbsd32_ifconf *);
103 static __inline void
104 netbsd32_from_ifmediareq(struct ifmediareq *, struct netbsd32_ifmediareq *);
105 static __inline void
106 netbsd32_from_ifdrv(struct ifdrv *, struct netbsd32_ifdrv *);
107 static __inline void
108 netbsd32_from_sioc_vif_req(struct sioc_vif_req *, struct netbsd32_sioc_vif_req *);
109 static __inline void
110 netbsd32_from_sioc_sg_req(struct sioc_sg_req *, struct netbsd32_sioc_sg_req *);
111 
112 /* convert to/from different structures */
113 
114 static __inline void
115 netbsd32_to_fbcmap(s32p, p, cmd)
116 	struct netbsd32_fbcmap *s32p;
117 	struct fbcmap *p;
118 	u_long cmd;
119 {
120 
121 	p->index = s32p->index;
122 	p->count = s32p->count;
123 	p->red = (u_char *)(u_long)s32p->red;
124 	p->green = (u_char *)(u_long)s32p->green;
125 	p->blue = (u_char *)(u_long)s32p->blue;
126 }
127 
128 static __inline void
129 netbsd32_to_fbcursor(s32p, p, cmd)
130 	struct netbsd32_fbcursor *s32p;
131 	struct fbcursor *p;
132 	u_long cmd;
133 {
134 
135 	p->set = s32p->set;
136 	p->enable = s32p->enable;
137 	p->pos = s32p->pos;
138 	p->hot = s32p->hot;
139 	netbsd32_to_fbcmap(&s32p->cmap, &p->cmap, cmd);
140 	p->size = s32p->size;
141 	p->image = (char *)(u_long)s32p->image;
142 	p->mask = (char *)(u_long)s32p->mask;
143 }
144 
145 static __inline void
146 netbsd32_to_opiocdesc(s32p, p, cmd)
147 	struct netbsd32_opiocdesc *s32p;
148 	struct opiocdesc *p;
149 	u_long cmd;
150 {
151 
152 	p->op_nodeid = s32p->op_nodeid;
153 	p->op_namelen = s32p->op_namelen;
154 	p->op_name = (char *)(u_long)s32p->op_name;
155 	p->op_buflen = s32p->op_buflen;
156 	p->op_buf = (char *)(u_long)s32p->op_buf;
157 }
158 
159 static __inline void
160 netbsd32_to_partinfo(s32p, p, cmd)
161 	struct netbsd32_partinfo *s32p;
162 	struct partinfo *p;
163 	u_long cmd;
164 {
165 
166 	p->disklab = (struct disklabel *)(u_long)s32p->disklab;
167 	p->part = (struct partition *)(u_long)s32p->part;
168 }
169 
170 static __inline void
171 netbsd32_to_format_op(s32p, p, cmd)
172 	struct netbsd32_format_op *s32p;
173 	struct format_op *p;
174 	u_long cmd;
175 {
176 
177 	p->df_buf = (char *)(u_long)s32p->df_buf;
178 	p->df_count = s32p->df_count;
179 	p->df_startblk = s32p->df_startblk;
180 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
181 }
182 
183 #if 0 /* XXX see below */
184 static __inline void
185 netbsd32_to_ifreq(s32p, p, cmd)
186 	struct netbsd32_ifreq *s32p;
187 	struct ifreq *p;
188 	u_long cmd;	/* XXX unused yet */
189 {
190 
191 	/*
192 	 * XXX
193 	 * struct ifreq says the same, but sometimes the ifr_data
194 	 * union member needs to be converted to 64 bits... this
195 	 * is very driver specific and so we ignore it for now..
196 	 */
197 	memcpy(p, s32p, sizeof *s32p);
198 }
199 #endif
200 
201 static __inline void
202 netbsd32_to_ifconf(s32p, p, cmd)
203 	struct netbsd32_ifconf *s32p;
204 	struct ifconf *p;
205 	u_long cmd;
206 {
207 
208 	p->ifc_len = s32p->ifc_len;
209 	/* ifc_buf & ifc_req are the same size so this works */
210 	p->ifc_buf = (caddr_t)(u_long)s32p->ifc_buf;
211 }
212 
213 static __inline void
214 netbsd32_to_ifmediareq(s32p, p, cmd)
215 	struct netbsd32_ifmediareq *s32p;
216 	struct ifmediareq *p;
217 	u_long cmd;
218 {
219 
220 	memcpy(p, s32p, sizeof *s32p);
221 	p->ifm_ulist = (int *)(u_long)s32p->ifm_ulist;
222 }
223 
224 static __inline void
225 netbsd32_to_ifdrv(s32p, p, cmd)
226 	struct netbsd32_ifdrv *s32p;
227 	struct ifdrv *p;
228 	u_long cmd;
229 {
230 
231 	memcpy(p, s32p, sizeof *s32p);
232 	p->ifd_data = (void *)(u_long)s32p->ifd_data;
233 }
234 
235 static __inline void
236 netbsd32_to_sioc_vif_req(s32p, p, cmd)
237 	struct netbsd32_sioc_vif_req *s32p;
238 	struct sioc_vif_req *p;
239 	u_long cmd;
240 {
241 
242 	p->vifi = s32p->vifi;
243 	p->icount = (u_long)s32p->icount;
244 	p->ocount = (u_long)s32p->ocount;
245 	p->ibytes = (u_long)s32p->ibytes;
246 	p->obytes = (u_long)s32p->obytes;
247 }
248 
249 static __inline void
250 netbsd32_to_sioc_sg_req(s32p, p, cmd)
251 	struct netbsd32_sioc_sg_req *s32p;
252 	struct sioc_sg_req *p;
253 	u_long cmd;
254 {
255 
256 	p->src = s32p->src;
257 	p->grp = s32p->grp;
258 	p->pktcnt = (u_long)s32p->pktcnt;
259 	p->bytecnt = (u_long)s32p->bytecnt;
260 	p->wrong_if = (u_long)s32p->wrong_if;
261 }
262 
263 /*
264  * handle ioctl conversions from sparc64 -> netbsd32
265  */
266 
267 static __inline void
268 netbsd32_from_fbcmap(p, s32p)
269 	struct fbcmap *p;
270 	struct netbsd32_fbcmap *s32p;
271 {
272 
273 	s32p->index = p->index;
274 	s32p->count = p->count;
275 /* filled in */
276 #if 0
277 	s32p->red = (netbsd32_u_charp)p->red;
278 	s32p->green = (netbsd32_u_charp)p->green;
279 	s32p->blue = (netbsd32_u_charp)p->blue;
280 #endif
281 }
282 
283 static __inline void
284 netbsd32_from_fbcursor(p, s32p)
285 	struct fbcursor *p;
286 	struct netbsd32_fbcursor *s32p;
287 {
288 
289 	s32p->set = p->set;
290 	s32p->enable = p->enable;
291 	s32p->pos = p->pos;
292 	s32p->hot = p->hot;
293 	netbsd32_from_fbcmap(&p->cmap, &s32p->cmap);
294 	s32p->size = p->size;
295 /* filled in */
296 #if 0
297 	s32p->image = (netbsd32_charp)p->image;
298 	s32p->mask = (netbsd32_charp)p->mask;
299 #endif
300 }
301 
302 static __inline void
303 netbsd32_from_opiocdesc(p, s32p)
304 	struct opiocdesc *p;
305 	struct netbsd32_opiocdesc *s32p;
306 {
307 
308 	s32p->op_nodeid = p->op_nodeid;
309 	s32p->op_namelen = p->op_namelen;
310 	s32p->op_name = (netbsd32_charp)(u_long)p->op_name;
311 	s32p->op_buflen = p->op_buflen;
312 	s32p->op_buf = (netbsd32_charp)(u_long)p->op_buf;
313 }
314 
315 static __inline void
316 netbsd32_from_partinfo(p, s32p)
317 	struct partinfo *p;
318 	struct netbsd32_partinfo *s32p;
319 {
320 
321 	s32p->disklab = (netbsd32_disklabel_tp_t)(u_long)p->disklab;
322 	s32p->part = s32p->part;
323 }
324 
325 static __inline void
326 netbsd32_from_format_op(p, s32p)
327 	struct format_op *p;
328 	struct netbsd32_format_op *s32p;
329 {
330 
331 /* filled in */
332 #if 0
333 	s32p->df_buf = (netbsd32_charp)p->df_buf;
334 #endif
335 	s32p->df_count = p->df_count;
336 	s32p->df_startblk = p->df_startblk;
337 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
338 }
339 
340 #if 0 /* XXX see below */
341 static __inline void
342 netbsd32_from_ifreq(p, s32p, cmd)
343 	struct ifreq *p;
344 	struct netbsd32_ifreq *s32p;
345 	u_long cmd;	/* XXX unused yet */
346 {
347 
348 	/*
349 	 * XXX
350 	 * struct ifreq says the same, but sometimes the ifr_data
351 	 * union member needs to be converted to 64 bits... this
352 	 * is very driver specific and so we ignore it for now..
353 	 */
354 	*s32p = *p;
355 }
356 #endif
357 
358 static __inline void
359 netbsd32_from_ifconf(p, s32p)
360 	struct ifconf *p;
361 	struct netbsd32_ifconf *s32p;
362 {
363 
364 	s32p->ifc_len = p->ifc_len;
365 	/* ifc_buf & ifc_req are the same size so this works */
366 	s32p->ifc_buf = (netbsd32_caddr_t)(u_long)p->ifc_buf;
367 }
368 
369 static __inline void
370 netbsd32_from_ifmediareq(p, s32p)
371 	struct ifmediareq *p;
372 	struct netbsd32_ifmediareq *s32p;
373 {
374 
375 	memcpy(s32p, p, sizeof *p);
376 /* filled in? */
377 #if 0
378 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
379 #endif
380 }
381 
382 static __inline void
383 netbsd32_from_ifdrv(p, s32p)
384 	struct ifdrv *p;
385 	struct netbsd32_ifdrv *s32p;
386 {
387 
388 	memcpy(s32p, p, sizeof *p);
389 /* filled in? */
390 #if 0
391 	s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
392 #endif
393 }
394 
395 static __inline void
396 netbsd32_from_sioc_vif_req(p, s32p)
397 	struct sioc_vif_req *p;
398 	struct netbsd32_sioc_vif_req *s32p;
399 {
400 
401 	s32p->vifi = p->vifi;
402 	s32p->icount = (netbsd32_u_long)p->icount;
403 	s32p->ocount = (netbsd32_u_long)p->ocount;
404 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
405 	s32p->obytes = (netbsd32_u_long)p->obytes;
406 }
407 
408 static __inline void
409 netbsd32_from_sioc_sg_req(p, s32p)
410 	struct sioc_sg_req *p;
411 	struct netbsd32_sioc_sg_req *s32p;
412 {
413 
414 	s32p->src = p->src;
415 	s32p->grp = p->grp;
416 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
417 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
418 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
419 }
420 
421 
422 /*
423  * main ioctl syscall.
424  *
425  * ok, here we are in the biggy.  we have to do fix ups depending
426  * on the ioctl command before and afterwards.
427  */
428 int
429 netbsd32_ioctl(p, v, retval)
430 	struct proc *p;
431 	void *v;
432 	register_t *retval;
433 {
434 	struct netbsd32_ioctl_args /* {
435 		syscallarg(int) fd;
436 		syscallarg(netbsd32_u_long) com;
437 		syscallarg(netbsd32_voidp) data;
438 	} */ *uap = v;
439 	struct file *fp;
440 	struct filedesc *fdp;
441 	u_long com;
442 	int error = 0;
443 	u_int size, size32;
444 	caddr_t data, memp = NULL;
445 	caddr_t data32, memp32 = NULL;
446 	int tmp;
447 #define STK_PARAMS	128
448 	u_long stkbuf[STK_PARAMS/sizeof(u_long)];
449 	u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
450 
451 	/*
452 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
453 	 * some after (_IOR), and some both (_IOWR).
454 	 */
455 #if 0
456 	{
457 char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
458 		"INOUT", "VOID|IN|OUT!" };
459 
460 printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n",
461        SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data),
462        dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
463        IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
464        IOCPARM_LEN(SCARG(uap, com)));
465 	}
466 #endif
467 
468 	fdp = p->p_fd;
469 	if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
470 	    (fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL ||
471 	    (fp->f_iflags & FIF_WANTCLOSE) != 0)
472 		return (EBADF);
473 
474 	FILE_USE(fp);
475 
476 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
477 		error = EBADF;
478 		goto out;
479 	}
480 
481 	switch (com = SCARG(uap, com)) {
482 	case FIONCLEX:
483 		fdp->fd_ofileflags[SCARG(uap, fd)] &= ~UF_EXCLOSE;
484 		goto out;
485 
486 	case FIOCLEX:
487 		fdp->fd_ofileflags[SCARG(uap, fd)] |= UF_EXCLOSE;
488 		goto out;
489 	}
490 
491 	/*
492 	 * Interpret high order word to find amount of data to be
493 	 * copied to/from the user's address space.
494 	 */
495 	size32 = IOCPARM_LEN(com);
496 	if (size32 > IOCPARM_MAX) {
497 		error = ENOTTY;
498 		goto out;
499 	}
500 	memp = NULL;
501 	if (size32 > sizeof(stkbuf)) {
502 		memp32 = (caddr_t)malloc((u_long)size32, M_IOCTLOPS, M_WAITOK);
503 		data32 = memp32;
504 	} else
505 		data32 = (caddr_t)stkbuf32;
506 	if (com&IOC_IN) {
507 		if (size32) {
508 			error = copyin((caddr_t)(u_long)SCARG(uap, data),
509 				       data32, size32);
510 			if (error) {
511 				if (memp32)
512 					free(memp32, M_IOCTLOPS);
513 				goto out;
514 			}
515 		} else
516 			*(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data);
517 	} else if ((com&IOC_OUT) && size32)
518 		/*
519 		 * Zero the buffer so the user always
520 		 * gets back something deterministic.
521 		 */
522 		memset(data32, 0, size32);
523 	else if (com&IOC_VOID)
524 		*(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data);
525 
526 /* we define some handy macros here... */
527 #define IOCTL_STRUCT_CONV_TO(cmd, type)	\
528 		com = cmd; \
529 		size = IOCPARM_LEN(com); \
530 		if (size > sizeof(stkbuf)) \
531 			data = memp = malloc(size, M_IOCTLOPS, M_WAITOK); \
532 		else \
533 			data = (caddr_t)stkbuf; \
534 		__CONCAT(netbsd32_to_, type)((struct __CONCAT(netbsd32_, type) *) \
535 			data32, (struct type *)data, com); \
536 		error = (*fp->f_ops->fo_ioctl)(fp, com, data, p); \
537 		__CONCAT(netbsd32_from_, type)((struct type *)data, \
538 			(struct __CONCAT(netbsd32_, type) *)data32); \
539 		break
540 
541 	/*
542 	 * convert various structures, pointers, and other objects that
543 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
544 	 */
545 	switch (SCARG(uap, com)) {
546 	case FIONBIO:
547 		if ((tmp = *(int *)data32) != 0)
548 			fp->f_flag |= FNONBLOCK;
549 		else
550 			fp->f_flag &= ~FNONBLOCK;
551 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (caddr_t)&tmp, p);
552 		break;
553 
554 	case FIOASYNC:
555 		if ((tmp = *(int *)data32) != 0)
556 			fp->f_flag |= FASYNC;
557 		else
558 			fp->f_flag &= ~FASYNC;
559 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (caddr_t)&tmp, p);
560 		break;
561 
562 	case FIOSETOWN:
563 		tmp = *(int *)data32;
564 		if (fp->f_type == DTYPE_SOCKET) {
565 			((struct socket *)fp->f_data)->so_pgid = tmp;
566 			error = 0;
567 			break;
568 		}
569 		if (tmp <= 0) {
570 			tmp = -tmp;
571 		} else {
572 			struct proc *p1 = pfind(tmp);
573 			if (p1 == 0) {
574 				error = ESRCH;
575 				break;
576 			}
577 			tmp = p1->p_pgrp->pg_id;
578 		}
579 		error = (*fp->f_ops->fo_ioctl)
580 			(fp, TIOCSPGRP, (caddr_t)&tmp, p);
581 		break;
582 
583 	case FIOGETOWN:
584 		if (fp->f_type == DTYPE_SOCKET) {
585 			error = 0;
586 			*(int *)data32 = ((struct socket *)fp->f_data)->so_pgid;
587 			break;
588 		}
589 		error = (*fp->f_ops->fo_ioctl)(fp, TIOCGPGRP, data32, p);
590 		*(int *)data32 = -*(int *)data32;
591 		break;
592 
593 /*
594  * Here are calls that need explicit conversion.
595  */
596 	case FBIOPUTCMAP32:
597 		IOCTL_STRUCT_CONV_TO(FBIOPUTCMAP, fbcmap);
598 	case FBIOGETCMAP32:
599 		IOCTL_STRUCT_CONV_TO(FBIOGETCMAP, fbcmap);
600 
601 	case FBIOSCURSOR32:
602 		IOCTL_STRUCT_CONV_TO(FBIOSCURSOR, fbcursor);
603 	case FBIOGCURSOR32:
604 		IOCTL_STRUCT_CONV_TO(FBIOGCURSOR, fbcursor);
605 
606 	case OPIOCGET32:
607 		IOCTL_STRUCT_CONV_TO(OPIOCGET, opiocdesc);
608 	case OPIOCSET32:
609 		IOCTL_STRUCT_CONV_TO(OPIOCSET, opiocdesc);
610 	case OPIOCNEXTPROP32:
611 		IOCTL_STRUCT_CONV_TO(OPIOCNEXTPROP, opiocdesc);
612 
613 	case DIOCGPART32:
614 		IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
615 
616 	case DIOCRFORMAT32:
617 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
618 	case DIOCWFORMAT32:
619 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
620 
621 /*
622  * only a few ifreq syscalls need conversion and those are
623  * all driver specific... XXX
624  */
625 #if 0
626 	case SIOCGADDRROM3232:
627 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
628 	case SIOCGCHIPID32:
629 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
630 	case SIOCSIFADDR32:
631 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
632 	case OSIOCGIFADDR32:
633 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
634 	case SIOCGIFADDR32:
635 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
636 	case SIOCSIFDSTADDR32:
637 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
638 	case OSIOCGIFDSTADDR32:
639 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
640 	case SIOCGIFDSTADDR32:
641 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
642 	case SIOCSIFFLAGS32:
643 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
644 	case SIOCGIFFLAGS32:
645 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
646 	case OSIOCGIFBRDADDR32:
647 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
648 	case SIOCGIFBRDADDR32:
649 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
650 	case SIOCSIFBRDADDR32:
651 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
652 	case OSIOCGIFNETMASK32:
653 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
654 	case SIOCGIFNETMASK32:
655 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
656 	case SIOCSIFNETMASK32:
657 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
658 	case SIOCGIFMETRIC32:
659 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
660 	case SIOCSIFMETRIC32:
661 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
662 	case SIOCDIFADDR32:
663 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
664 	case SIOCADDMULTI32:
665 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
666 	case SIOCDELMULTI32:
667 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
668 	case SIOCSIFMEDIA32:
669 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
670 	case SIOCSIFMTU32:
671 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
672 	case SIOCGIFMTU32:
673 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
674 	case SIOCSIFASYNCMAP32:
675 		IOCTL_STRUCT_CONV_TO(SIOCSIFASYNCMAP, ifreq);
676 	case SIOCGIFASYNCMAP32:
677 		IOCTL_STRUCT_CONV_TO(SIOCGIFASYNCMAP, ifreq);
678 /*		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq); READ ONLY */
679 	case BIOCSETIF32:
680 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
681 	case SIOCPHASE132:
682 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
683 	case SIOCPHASE232:
684 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
685 #endif
686 
687 	case OSIOCGIFCONF32:
688 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
689 	case SIOCGIFCONF32:
690 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
691 
692 	case SIOCGIFMEDIA32:
693 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
694 
695 	case SIOCSDRVSPEC32:
696 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
697 
698 	case SIOCGETVIFCNT32:
699 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
700 
701 	case SIOCGETSGCNT32:
702 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
703 
704 	default:
705 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32, p);
706 		break;
707 	}
708 
709 	/*
710 	 * Copy any data to user, size was
711 	 * already set and checked above.
712 	 */
713 	if (error == 0 && (com&IOC_OUT) && size32)
714 		error = copyout(data32, (caddr_t)(u_long)SCARG(uap, data), size32);
715 
716 	/* if we malloced data, free it here */
717 	if (memp32)
718 		free(memp32, M_IOCTLOPS);
719 	if (memp)
720 		free(memp, M_IOCTLOPS);
721 
722  out:
723 	FILE_UNUSE(fp, p);
724 	return (error);
725 }
726