xref: /netbsd-src/sys/compat/netbsd32/netbsd32_ioctl.c (revision a0698ed9d41653d7a2378819ad501a285ca0d401)
1 /*	$NetBSD: netbsd32_ioctl.c,v 1.101 2019/01/27 02:08:40 pgoyette 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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*
30  * handle ioctl conversions from netbsd32 -> 64-bit kernel
31  */
32 
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.101 2019/01/27 02:08:40 pgoyette Exp $");
35 
36 #if defined(_KERNEL_OPT)
37 #include "opt_ntp.h"
38 #endif
39 
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/filedesc.h>
43 #include <sys/ioctl.h>
44 #include <sys/file.h>
45 #include <sys/proc.h>
46 #include <sys/socketvar.h>
47 #include <sys/audioio.h>
48 #include <sys/disklabel.h>
49 #include <sys/dkio.h>
50 #include <sys/ataio.h>
51 #include <sys/sockio.h>
52 #include <sys/socket.h>
53 #include <sys/ttycom.h>
54 #include <sys/mount.h>
55 #include <sys/syscallargs.h>
56 #include <sys/ktrace.h>
57 #include <sys/kmem.h>
58 #include <sys/envsys.h>
59 #include <sys/wdog.h>
60 #include <sys/clockctl.h>
61 #include <sys/exec_elf.h>
62 #include <sys/ksyms.h>
63 #include <sys/drvctlio.h>
64 #include <sys/compat_stub.h>
65 
66 #ifdef __sparc__
67 #include <dev/sun/fbio.h>
68 #include <machine/openpromio.h>
69 #endif
70 
71 #include <net/if.h>
72 #include <net/route.h>
73 
74 #include <net/if_pppoe.h>
75 #include <net/if_sppp.h>
76 
77 #include <net/bpf.h>
78 #include <netinet/in.h>
79 #include <netinet/in_var.h>
80 #include <netinet/igmp.h>
81 #include <netinet/igmp_var.h>
82 #include <netinet/ip_mroute.h>
83 
84 #include <compat/sys/sockio.h>
85 
86 #include <compat/netbsd32/netbsd32.h>
87 #include <compat/netbsd32/netbsd32_ioctl.h>
88 #include <compat/netbsd32/netbsd32_syscallargs.h>
89 #include <compat/netbsd32/netbsd32_conv.h>
90 
91 #include <dev/vndvar.h>
92 
93 /* convert to/from different structures */
94 
95 #if 0
96 static inline void
97 netbsd32_to_format_op(struct netbsd32_format_op *s32p, struct format_op *p, u_long cmd)
98 {
99 
100 	p->df_buf = (char *)NETBSD32PTR64(s32p->df_buf);
101 	p->df_count = s32p->df_count;
102 	p->df_startblk = s32p->df_startblk;
103 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
104 }
105 #endif
106 
107 static inline void
108 netbsd32_to_ifreq(struct netbsd32_ifreq *s32p, struct ifreq *p, u_long cmd)
109 {
110 
111 	memcpy(p, s32p, sizeof *s32p);
112 	/*
113 	 * XXX
114 	 * struct ifreq says the same, but sometimes the ifr_data
115 	 * union member needs to be converted to 64 bits... this
116 	 * is very driver specific and so we ignore it for now..
117 	 */
118 	switch (cmd) {
119 	case SIOCGIFDATA:
120 	case SIOCZIFDATA:
121 	case SIOCGIFGENERIC:
122 	case SIOCSIFGENERIC:
123 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
124 		break;
125 	}
126 }
127 
128 static inline void
129 netbsd32_to_oifreq(struct netbsd32_oifreq *s32p, struct oifreq *p, u_long cmd)
130 {
131 
132 	memcpy(p, s32p, sizeof *s32p);
133 	/*
134 	 * XXX
135 	 * struct ifreq says the same, but sometimes the ifr_data
136 	 * union member needs to be converted to 64 bits... this
137 	 * is very driver specific and so we ignore it for now..
138 	 */
139 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
140 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
141 }
142 
143 static inline void
144 netbsd32_to_if_addrprefreq(const struct netbsd32_if_addrprefreq *ifap32,
145 	struct if_addrprefreq *ifap, u_long cmd)
146 {
147 	strlcpy(ifap->ifap_name, ifap32->ifap_name, sizeof(ifap->ifap_name));
148 	ifap->ifap_preference = ifap32->ifap_preference;
149 	memcpy(&ifap->ifap_addr, &ifap32->ifap_addr,
150 	    uimin(ifap32->ifap_addr.ss_len, _SS_MAXSIZE));
151 }
152 
153 static inline void
154 netbsd32_to_ifconf(struct netbsd32_ifconf *s32p, struct ifconf *p, u_long cmd)
155 {
156 
157 	p->ifc_len = s32p->ifc_len;
158 	/* ifc_buf & ifc_req are the same size so this works */
159 	p->ifc_buf = (void *)NETBSD32PTR64(s32p->ifc_buf);
160 }
161 
162 static inline void
163 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *s32p, struct ifmediareq *p, u_long cmd)
164 {
165 
166 	memcpy(p, s32p, sizeof *s32p);
167 	p->ifm_ulist = (int *)NETBSD32PTR64(s32p->ifm_ulist);
168 }
169 
170 static inline void
171 netbsd32_to_pppoediscparms(struct netbsd32_pppoediscparms *s32p,
172     struct pppoediscparms *p, u_long cmd)
173 {
174 
175 	memcpy(p->ifname, s32p->ifname, sizeof p->ifname);
176 	memcpy(p->eth_ifname, s32p->eth_ifname, sizeof p->eth_ifname);
177 	p->ac_name = (char *)NETBSD32PTR64(s32p->ac_name);
178 	p->ac_name_len = s32p->ac_name_len;
179 	p->service_name = (char *)NETBSD32PTR64(s32p->service_name);
180 	p->service_name_len = s32p->service_name_len;
181 }
182 
183 static inline void
184 netbsd32_to_spppauthcfg(struct netbsd32_spppauthcfg *s32p,
185     struct spppauthcfg *p, u_long cmd)
186 {
187 
188 	memcpy(p->ifname, s32p->ifname, sizeof p->ifname);
189 	p->hisauth = s32p->hisauth;
190 	p->myauth = s32p->myauth;
191 	p->myname_length = s32p->myname_length;
192 	p->mysecret_length = s32p->mysecret_length;
193 	p->hisname_length = s32p->hisname_length;
194 	p->hissecret_length = s32p->hissecret_length;
195 	p->myauthflags = s32p->myauthflags;
196 	p->hisauthflags = s32p->hisauthflags;
197 	p->myname = (char *)NETBSD32PTR64(s32p->myname);
198 	p->mysecret = (char *)NETBSD32PTR64(s32p->mysecret);
199 	p->hisname = (char *)NETBSD32PTR64(s32p->hisname);
200 	p->hissecret = (char *)NETBSD32PTR64(s32p->hissecret);
201 }
202 
203 static inline void
204 netbsd32_to_ifdrv(struct netbsd32_ifdrv *s32p, struct ifdrv *p, u_long cmd)
205 {
206 
207 	memcpy(p->ifd_name, s32p->ifd_name, sizeof p->ifd_name);
208 	p->ifd_cmd = s32p->ifd_cmd;
209 	p->ifd_len = s32p->ifd_len;
210 	p->ifd_data = (void *)NETBSD32PTR64(s32p->ifd_data);
211 }
212 
213 static inline void
214 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *s32p, struct sioc_vif_req *p, u_long cmd)
215 {
216 
217 	p->vifi = s32p->vifi;
218 	p->icount = (u_long)s32p->icount;
219 	p->ocount = (u_long)s32p->ocount;
220 	p->ibytes = (u_long)s32p->ibytes;
221 	p->obytes = (u_long)s32p->obytes;
222 }
223 
224 static inline void
225 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *s32p, struct sioc_sg_req *p, u_long cmd)
226 {
227 
228 	p->src = s32p->src;
229 	p->grp = s32p->grp;
230 	p->pktcnt = (u_long)s32p->pktcnt;
231 	p->bytecnt = (u_long)s32p->bytecnt;
232 	p->wrong_if = (u_long)s32p->wrong_if;
233 }
234 
235 static inline void
236 netbsd32_to_atareq(struct netbsd32_atareq *s32p, struct atareq *p, u_long cmd)
237 {
238 	p->flags = (u_long)s32p->flags;
239 	p->command = s32p->command;
240 	p->features = s32p->features;
241 	p->sec_count = s32p->sec_count;
242 	p->sec_num = s32p->sec_num;
243 	p->head = s32p->head;
244 	p->cylinder = s32p->cylinder;
245 	p->databuf =  (char *)NETBSD32PTR64(s32p->databuf);
246 	p->datalen = (u_long)s32p->datalen;
247 	p->timeout = s32p->timeout;
248 	p->retsts = s32p->retsts;
249 	p->error = s32p->error;
250 }
251 
252 static inline void
253 netbsd32_to_vnd_ioctl(struct netbsd32_vnd_ioctl *s32p, struct vnd_ioctl *p, u_long cmd)
254 {
255 
256 	p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
257 	p->vnd_flags = s32p->vnd_flags;
258 	p->vnd_geom = s32p->vnd_geom;
259 	p->vnd_osize = s32p->vnd_osize;
260 	p->vnd_size = s32p->vnd_size;
261 }
262 
263 static inline void
264 netbsd32_to_vnd_user(struct netbsd32_vnd_user *s32p, struct vnd_user *p, u_long cmd)
265 {
266 
267 	p->vnu_unit = s32p->vnu_unit;
268 	p->vnu_dev = s32p->vnu_dev;
269 	p->vnu_ino = s32p->vnu_ino;
270 }
271 
272 static inline void
273 netbsd32_to_vnd_ioctl50(struct netbsd32_vnd_ioctl50 *s32p, struct vnd_ioctl50 *p, u_long cmd)
274 {
275 
276 	p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
277 	p->vnd_flags = s32p->vnd_flags;
278 	p->vnd_geom = s32p->vnd_geom;
279 	p->vnd_size = s32p->vnd_size;
280 }
281 
282 static inline void
283 netbsd32_to_plistref(struct netbsd32_plistref *s32p, struct plistref *p, u_long cmd)
284 {
285 
286 	p->pref_plist = NETBSD32PTR64(s32p->pref_plist);
287 	p->pref_len = s32p->pref_len;
288 }
289 
290 static inline void
291 netbsd32_to_nvlist_ref_t(netbsd32_nvlist_ref_t *s32p, nvlist_ref_t *p, u_long cmd)
292 {
293 
294 	p->buf = NETBSD32PTR64(s32p->buf);
295 	p->len = s32p->len;
296 	p->flags = s32p->flags;
297 }
298 
299 static inline void
300 netbsd32_to_u_long(netbsd32_u_long *s32p, u_long *p, u_long cmd)
301 {
302 
303 	*p = (u_long)*s32p;
304 }
305 
306 static inline void
307 netbsd32_to_voidp(netbsd32_voidp *s32p, voidp *p, u_long cmd)
308 {
309 
310 	*p = (void *)NETBSD32PTR64(*s32p);
311 }
312 
313 static inline void
314 netbsd32_to_wdog_conf(struct netbsd32_wdog_conf *s32p, struct wdog_conf *p, u_long cmd)
315 {
316 
317 	p->wc_names = (char *)NETBSD32PTR64(s32p->wc_names);
318 	p->wc_count = s32p->wc_count;
319 }
320 
321 static inline void
322 netbsd32_to_npf_ioctl_table(
323     const struct netbsd32_npf_ioctl_table *s32p,
324     struct npf_ioctl_table *p,
325     u_long cmd)
326 {
327 
328        p->nct_cmd = s32p->nct_cmd;
329        p->nct_name = NETBSD32PTR64(s32p->nct_name);
330        switch (s32p->nct_cmd) {
331        case NPF_CMD_TABLE_LOOKUP:
332        case NPF_CMD_TABLE_ADD:
333        case NPF_CMD_TABLE_REMOVE:
334                p->nct_data.ent = s32p->nct_data.ent;
335                break;
336        case NPF_CMD_TABLE_LIST:
337                p->nct_data.buf.buf = NETBSD32PTR64(s32p->nct_data.buf.buf);
338                p->nct_data.buf.len = s32p->nct_data.buf.len;
339                break;
340        }
341 }
342 
343 static inline void
344 netbsd32_to_bpf_program(struct netbsd32_bpf_program *s32p, struct bpf_program *p, u_long cmd)
345 {
346 
347 	p->bf_insns = (void *)NETBSD32PTR64(s32p->bf_insns);
348 	p->bf_len = s32p->bf_len;
349 }
350 
351 static inline void
352 netbsd32_to_bpf_dltlist(struct netbsd32_bpf_dltlist *s32p, struct bpf_dltlist *p, u_long cmd)
353 {
354 
355 	p->bfl_list = (void *)NETBSD32PTR64(s32p->bfl_list);
356 	p->bfl_len = s32p->bfl_len;
357 }
358 
359 /* wsdisplay stuff */
360 static inline void
361 netbsd32_to_wsdisplay_addscreendata(struct netbsd32_wsdisplay_addscreendata *asd32,
362 					       struct wsdisplay_addscreendata *asd,
363 					       u_long cmd)
364 {
365 	asd->screentype = (char *)NETBSD32PTR64(asd32->screentype);
366 	asd->emul = (char *)NETBSD32PTR64(asd32->emul);
367 	asd->idx = asd32->idx;
368 }
369 
370 static inline void
371 netbsd32_to_ieee80211req(struct netbsd32_ieee80211req *ireq32,
372 			 struct ieee80211req *ireq, u_long cmd)
373 {
374 	strlcpy(ireq->i_name, ireq32->i_name, IFNAMSIZ);
375 	ireq->i_type = ireq32->i_type;
376 	ireq->i_val = ireq32->i_val;
377 	ireq->i_len = ireq32->i_len;
378 	ireq->i_data = NETBSD32PTR64(ireq32->i_data);
379 }
380 
381 static inline void
382 netbsd32_to_ieee80211_nwkey(struct netbsd32_ieee80211_nwkey *nwk32,
383 					       struct ieee80211_nwkey *nwk,
384 					       u_long cmd)
385 {
386 	int i;
387 
388 	strlcpy(nwk->i_name, nwk32->i_name, IFNAMSIZ);
389 	nwk->i_wepon = nwk32->i_wepon;
390 	nwk->i_defkid = nwk32->i_defkid;
391 	for (i = 0; i < IEEE80211_WEP_NKID; i++) {
392 		nwk->i_key[i].i_keylen = nwk32->i_key[i].i_keylen;
393 		nwk->i_key[i].i_keydat =
394 		    NETBSD32PTR64(nwk32->i_key[i].i_keydat);
395 	}
396 }
397 
398 static inline void
399 netbsd32_to_wsdisplay_cursor(struct netbsd32_wsdisplay_cursor *c32,
400 					       struct wsdisplay_cursor *c,
401 					       u_long cmd)
402 {
403 	c->which = c32->which;
404 	c->enable = c32->enable;
405 	c->pos.x = c32->pos.x;
406 	c->pos.y = c32->pos.y;
407 	c->hot.x = c32->hot.x;
408 	c->hot.y = c32->hot.y;
409 	c->size.x = c32->size.x;
410 	c->size.y = c32->size.y;
411 	c->cmap.index = c32->cmap.index;
412 	c->cmap.count = c32->cmap.count;
413 	c->cmap.red = NETBSD32PTR64(c32->cmap.red);
414 	c->cmap.green = NETBSD32PTR64(c32->cmap.green);
415 	c->cmap.blue = NETBSD32PTR64(c32->cmap.blue);
416 	c->image = NETBSD32PTR64(c32->image);
417 	c->mask = NETBSD32PTR64(c32->mask);
418 }
419 
420 static inline void
421 netbsd32_to_wsdisplay_cmap(struct netbsd32_wsdisplay_cmap *c32,
422 					       struct wsdisplay_cmap *c,
423 					       u_long cmd)
424 {
425 	c->index = c32->index;
426 	c->count = c32->count;
427 	c->red   = NETBSD32PTR64(c32->red);
428 	c->green = NETBSD32PTR64(c32->green);
429 	c->blue  = NETBSD32PTR64(c32->blue);
430 }
431 
432 static inline void
433 netbsd32_to_wsdisplay_font(struct netbsd32_wsdisplay_font *f32,
434 					       struct wsdisplay_font *f,
435 					       u_long cmd)
436 {
437 	f->name = NETBSD32PTR64(f32->name);
438 	f->firstchar = f32->firstchar;
439 	f->numchars = f32->numchars;
440 	f->encoding = f32->encoding;
441 	f->fontwidth = f32->fontwidth;
442 	f->fontheight = f32->fontheight;
443 	f->stride = f32->stride;
444 	f->bitorder = f32->bitorder;
445 	f->byteorder = f32->byteorder;
446 	f->data = NETBSD32PTR64(f32->data);
447 }
448 
449 static inline void
450 netbsd32_to_wsdisplay_usefontdata(struct netbsd32_wsdisplay_usefontdata *f32,
451 					       struct wsdisplay_usefontdata *f,
452 					       u_long cmd)
453 {
454 	f->name = NETBSD32PTR64(f32->name);
455 }
456 
457 static inline void
458 netbsd32_to_clockctl_settimeofday(
459     const struct netbsd32_clockctl_settimeofday *s32p,
460     struct clockctl_settimeofday *p,
461     u_long cmd)
462 {
463 
464 	p->tv = NETBSD32PTR64(s32p->tv);
465 	p->tzp = NETBSD32PTR64(s32p->tzp);
466 }
467 
468 static inline void
469 netbsd32_to_clockctl_adjtime(
470     const struct netbsd32_clockctl_adjtime *s32p,
471     struct clockctl_adjtime *p,
472     u_long cmd)
473 {
474 
475 	p->delta = NETBSD32PTR64(s32p->delta);
476 	p->olddelta = NETBSD32PTR64(s32p->olddelta);
477 }
478 
479 static inline void
480 netbsd32_to_clockctl_clock_settime(
481     const struct netbsd32_clockctl_clock_settime *s32p,
482     struct clockctl_clock_settime *p,
483     u_long cmd)
484 {
485 
486 	p->clock_id = s32p->clock_id;
487 	p->tp = NETBSD32PTR64(s32p->tp);
488 }
489 
490 #ifdef NTP
491 static inline void
492 netbsd32_to_clockctl_ntp_adjtime(
493     const struct netbsd32_clockctl_ntp_adjtime *s32p,
494     struct clockctl_ntp_adjtime *p,
495     u_long cmd)
496 {
497 
498 	p->tp = NETBSD32PTR64(s32p->tp);
499 	p->retval = s32p->retval;
500 }
501 #endif
502 
503 static inline void
504 netbsd32_to_ksyms_gsymbol(
505     const struct netbsd32_ksyms_gsymbol *s32p,
506     struct ksyms_gsymbol *p,
507     u_long cmd)
508 {
509 
510 	p->kg_name = NETBSD32PTR64(s32p->kg_name);
511 }
512 
513 static inline void
514 netbsd32_to_ksyms_gvalue(
515     const struct netbsd32_ksyms_gvalue *s32p,
516     struct ksyms_gvalue *p,
517     u_long cmd)
518 {
519 
520 	p->kv_name = NETBSD32PTR64(s32p->kv_name);
521 }
522 
523 static inline void
524 netbsd32_to_devlistargs(
525     const struct netbsd32_devlistargs *s32p,
526     struct devlistargs *p,
527     u_long cmd)
528 {
529 	memcpy(p->l_devname, s32p->l_devname, sizeof(p->l_devname));
530 	p->l_children = s32p->l_children;
531 	p->l_childname = NETBSD32PTR64(s32p->l_childname);
532 }
533 
534 static inline void
535 netbsd32_to_devrescanargs(
536     const struct netbsd32_devrescanargs *s32p,
537     struct devrescanargs *p,
538     u_long cmd)
539 {
540 	memcpy(p->busname, s32p->busname, sizeof(p->busname));
541 	memcpy(p->ifattr, s32p->ifattr, sizeof(p->ifattr));
542 	p->numlocators = s32p->numlocators;
543 	p->locators = NETBSD32PTR64(s32p->locators);
544 }
545 
546 static inline void
547 netbsd32_to_disk_strategy(
548     const struct netbsd32_disk_strategy *s32p,
549     struct disk_strategy *p,
550     u_long cmd)
551 {
552 	memcpy(p->dks_name, s32p->dks_name, sizeof(p->dks_name));
553 	p->dks_param = NETBSD32PTR64(s32p->dks_param);
554 	p->dks_paramlen = s32p->dks_paramlen;
555 }
556 
557 static inline void
558 netbsd32_to_dkwedge_list(
559     const struct netbsd32_dkwedge_list *s32p,
560     struct dkwedge_list *p,
561     u_long cmd)
562 {
563 	p->dkwl_buf = NETBSD32PTR64(s32p->dkwl_buf);
564 	p->dkwl_bufsize = s32p->dkwl_bufsize;
565 	p->dkwl_nwedges = s32p->dkwl_nwedges;
566 	p->dkwl_ncopied = s32p->dkwl_ncopied;
567 }
568 
569 /*
570  * handle ioctl conversions from 64-bit kernel -> netbsd32
571  */
572 
573 #if 0
574 static inline void
575 netbsd32_from_format_op(struct format_op *p, struct netbsd32_format_op *s32p, u_long cmd)
576 {
577 
578 /* filled in */
579 #if 0
580 	s32p->df_buf = (netbsd32_charp)p->df_buf;
581 #endif
582 	s32p->df_count = p->df_count;
583 	s32p->df_startblk = p->df_startblk;
584 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
585 }
586 #endif
587 
588 static inline void
589 netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd)
590 {
591 
592 	/*
593 	 * XXX
594 	 * struct ifreq says the same, but sometimes the ifr_data
595 	 * union member needs to be converted to 64 bits... this
596 	 * is very driver specific and so we ignore it for now..
597 	 */
598 	memcpy(s32p, p, sizeof *s32p);
599 	switch (cmd) {
600 	case SIOCGIFDATA:
601 	case SIOCZIFDATA:
602 	case SIOCGIFGENERIC:
603 	case SIOCSIFGENERIC:
604 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
605 		break;
606 	}
607 }
608 
609 static inline void
610 netbsd32_from_oifreq(struct oifreq *p, struct netbsd32_oifreq *s32p, u_long cmd)
611 {
612 
613 	/*
614 	 * XXX
615 	 * struct ifreq says the same, but sometimes the ifr_data
616 	 * union member needs to be converted to 64 bits... this
617 	 * is very driver specific and so we ignore it for now..
618 	 */
619 	memcpy(s32p, p, sizeof *s32p);
620 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
621 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
622 }
623 
624 static inline void
625 netbsd32_from_if_addrprefreq(const struct if_addrprefreq *ifap,
626 	struct netbsd32_if_addrprefreq *ifap32, u_long cmd)
627 {
628 	strlcpy(ifap32->ifap_name, ifap->ifap_name, sizeof(ifap32->ifap_name));
629 	ifap32->ifap_preference = ifap->ifap_preference;
630 	memcpy(&ifap32->ifap_addr, &ifap->ifap_addr,
631 	    uimin(ifap->ifap_addr.ss_len, _SS_MAXSIZE));
632 }
633 
634 static inline void
635 netbsd32_from_ifconf(struct ifconf *p, struct netbsd32_ifconf *s32p, u_long cmd)
636 {
637 
638 	s32p->ifc_len = p->ifc_len;
639 	/* ifc_buf & ifc_req are the same size so this works */
640 	NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf);
641 }
642 
643 static inline void
644 netbsd32_from_ifmediareq(struct ifmediareq *p, struct netbsd32_ifmediareq *s32p, u_long cmd)
645 {
646 
647 	memcpy(s32p, p, sizeof *p);
648 /* filled in? */
649 #if 0
650 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
651 #endif
652 }
653 
654 static inline void
655 netbsd32_from_pppoediscparms(struct pppoediscparms *p,
656     struct netbsd32_pppoediscparms *s32p, u_long cmd)
657 {
658 
659 	memcpy(s32p->ifname, p->ifname, sizeof s32p->ifname);
660 	memcpy(s32p->eth_ifname, p->eth_ifname, sizeof s32p->eth_ifname);
661 	NETBSD32PTR32(s32p->ac_name, p->ac_name);
662 	s32p->ac_name_len = p->ac_name_len;
663 	NETBSD32PTR32(s32p->service_name, p->service_name);
664 	s32p->service_name_len = p->service_name_len;
665 }
666 
667 static inline void
668 netbsd32_from_spppauthcfg(struct spppauthcfg *p,
669     struct netbsd32_spppauthcfg *s32p, u_long cmd)
670 {
671 
672 	memcpy(s32p->ifname, p->ifname, sizeof s32p->ifname);
673 	s32p->hisauth = p->hisauth;
674 	s32p->myauth = p->myauth;
675 	s32p->myname_length = p->myname_length;
676 	s32p->mysecret_length = p->mysecret_length;
677 	s32p->hisname_length = p->hisname_length;
678 	s32p->hissecret_length = p->hissecret_length;
679 	s32p->myauthflags = p->myauthflags;
680 	s32p->hisauthflags = p->hisauthflags;
681 	NETBSD32PTR32(s32p->myname, p->myname);
682 	NETBSD32PTR32(s32p->mysecret, p->mysecret);
683 	NETBSD32PTR32(s32p->hisname, p->hisname);
684 	NETBSD32PTR32(s32p->hissecret, p->hissecret);
685 }
686 
687 static inline void
688 netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd)
689 {
690 
691 	memcpy(s32p->ifd_name, p->ifd_name, sizeof s32p->ifd_name);
692 	s32p->ifd_cmd = p->ifd_cmd;
693 	s32p->ifd_len = p->ifd_len;
694 	NETBSD32PTR32(s32p->ifd_data, p->ifd_data);
695 }
696 
697 static inline void
698 netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, struct netbsd32_sioc_vif_req *s32p, u_long cmd)
699 {
700 
701 	s32p->vifi = p->vifi;
702 	s32p->icount = (netbsd32_u_long)p->icount;
703 	s32p->ocount = (netbsd32_u_long)p->ocount;
704 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
705 	s32p->obytes = (netbsd32_u_long)p->obytes;
706 }
707 
708 static inline void
709 netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, struct netbsd32_sioc_sg_req *s32p, u_long cmd)
710 {
711 
712 	s32p->src = p->src;
713 	s32p->grp = p->grp;
714 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
715 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
716 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
717 }
718 
719 static inline void
720 netbsd32_from_atareq(struct atareq *p, struct netbsd32_atareq *s32p, u_long cmd)
721 {
722 	s32p->flags = (netbsd32_u_long)p->flags;
723 	s32p->command = p->command;
724 	s32p->features = p->features;
725 	s32p->sec_count = p->sec_count;
726 	s32p->sec_num = p->sec_num;
727 	s32p->head = p->head;
728 	s32p->cylinder = p->cylinder;
729 	NETBSD32PTR32(s32p->databuf, p->databuf);
730 	s32p->datalen = (netbsd32_u_long)p->datalen;
731 	s32p->timeout = p->timeout;
732 	s32p->retsts = p->retsts;
733 	s32p->error = p->error;
734 }
735 
736 static inline void
737 netbsd32_from_vnd_ioctl(struct vnd_ioctl *p, struct netbsd32_vnd_ioctl *s32p, u_long cmd)
738 {
739 
740 	s32p->vnd_flags = p->vnd_flags;
741 	s32p->vnd_geom = p->vnd_geom;
742 	s32p->vnd_osize = p->vnd_osize;
743 	s32p->vnd_size = p->vnd_size;
744 }
745 
746 static inline void
747 netbsd32_from_vnd_user(struct vnd_user *p, struct netbsd32_vnd_user *s32p, u_long cmd)
748 {
749 
750 	s32p->vnu_unit = p->vnu_unit;
751 	s32p->vnu_dev = p->vnu_dev;
752 	s32p->vnu_ino = p->vnu_ino;
753 }
754 
755 static inline void
756 netbsd32_from_vnd_ioctl50(struct vnd_ioctl50 *p, struct netbsd32_vnd_ioctl50 *s32p, u_long cmd)
757 {
758 
759 	s32p->vnd_flags = p->vnd_flags;
760 	s32p->vnd_geom = p->vnd_geom;
761 	s32p->vnd_size = p->vnd_size;
762 }
763 
764 static inline void
765 netbsd32_from_plistref(struct plistref *p, struct netbsd32_plistref *s32p, u_long cmd)
766 {
767 
768 	NETBSD32PTR32(s32p->pref_plist, p->pref_plist);
769 	s32p->pref_len = p->pref_len;
770 }
771 
772 static inline void
773 netbsd32_from_nvlist_ref_t(nvlist_ref_t *p, netbsd32_nvlist_ref_t *s32p, u_long cmd)
774 {
775 
776 	NETBSD32PTR32(s32p->buf, p->buf);
777 	s32p->len = p->len;
778 	s32p->flags = p->flags;
779 }
780 
781 static inline void
782 netbsd32_from_wdog_conf(struct wdog_conf *p, struct netbsd32_wdog_conf *s32p, u_long cmd)
783 {
784 
785 	NETBSD32PTR32(s32p->wc_names, p->wc_names);
786 	s32p->wc_count = p->wc_count;
787 }
788 
789 /* wsdisplay stuff */
790 static inline void
791 netbsd32_from_wsdisplay_addscreendata(struct wsdisplay_addscreendata *asd,
792 					struct netbsd32_wsdisplay_addscreendata *asd32,
793 					u_long cmd)
794 {
795 	NETBSD32PTR32(asd32->screentype, asd->screentype);
796 	NETBSD32PTR32(asd32->emul, asd->emul);
797 	asd32->idx = asd->idx;
798 }
799 
800 static inline void
801 netbsd32_from_wsdisplay_cursor(struct wsdisplay_cursor *c,
802 					       struct netbsd32_wsdisplay_cursor *c32,
803 					       u_long cmd)
804 {
805 	c32->which = c->which;
806 	c32->enable = c->enable;
807 	c32->pos.x = c->pos.x;
808 	c32->pos.y = c->pos.y;
809 	c32->hot.x = c->hot.x;
810 	c32->hot.y = c->hot.y;
811 	c32->size.x = c->size.x;
812 	c32->size.y = c->size.y;
813 	c32->cmap.index = c->cmap.index;
814 	c32->cmap.count = c->cmap.count;
815 	NETBSD32PTR32(c32->cmap.red, c->cmap.red);
816 	NETBSD32PTR32(c32->cmap.green, c->cmap.green);
817 	NETBSD32PTR32(c32->cmap.blue, c->cmap.blue);
818 	NETBSD32PTR32(c32->image, c->image);
819 	NETBSD32PTR32(c32->mask, c->mask);
820 }
821 
822 static inline void
823 netbsd32_from_wsdisplay_cmap(struct wsdisplay_cmap *c,
824 					   struct netbsd32_wsdisplay_cmap *c32,
825 					   u_long cmd)
826 {
827 	c32->index = c->index;
828 	c32->count = c->count;
829 	NETBSD32PTR32(c32->red, c->red);
830 	NETBSD32PTR32(c32->green, c->green);
831 	NETBSD32PTR32(c32->blue, c->blue);
832 }
833 
834 static inline void
835 netbsd32_from_wsdisplay_font(struct wsdisplay_font *f,
836 					struct netbsd32_wsdisplay_font *f32,
837 					u_long cmd)
838 {
839 }
840 
841 static inline void
842 netbsd32_from_wsdisplay_usefontdata(struct wsdisplay_usefontdata *f,
843 					struct netbsd32_wsdisplay_usefontdata *f32,
844 					u_long cmd)
845 {
846 }
847 
848 static inline void
849 netbsd32_from_ieee80211req(struct ieee80211req *ireq,
850 			   struct netbsd32_ieee80211req *ireq32, u_long cmd)
851 {
852 	strlcpy(ireq32->i_name, ireq->i_name, IFNAMSIZ);
853 	ireq32->i_type = ireq->i_type;
854 	ireq32->i_val = ireq->i_val;
855 	ireq32->i_len = ireq->i_len;
856 	NETBSD32PTR32(ireq32->i_data, ireq->i_data);
857 }
858 
859 static inline void
860 netbsd32_from_ieee80211_nwkey(struct ieee80211_nwkey *nwk,
861 				struct netbsd32_ieee80211_nwkey *nwk32,
862 				u_long cmd)
863 {
864 	int i;
865 
866 	strlcpy(nwk32->i_name, nwk->i_name, IFNAMSIZ);
867 	nwk32->i_wepon = nwk->i_wepon;
868 	nwk32->i_defkid = nwk->i_defkid;
869 	for (i = 0; i < IEEE80211_WEP_NKID; i++) {
870 		nwk32->i_key[i].i_keylen = nwk->i_key[i].i_keylen;
871 		NETBSD32PTR32(nwk32->i_key[i].i_keydat,
872 				nwk->i_key[i].i_keydat);
873 	}
874 }
875 
876 static inline void
877 netbsd32_from_bpf_program(struct bpf_program *p, struct netbsd32_bpf_program *s32p, u_long cmd)
878 {
879 
880 	NETBSD32PTR32(s32p->bf_insns, p->bf_insns);
881 	s32p->bf_len = p->bf_len;
882 }
883 
884 static inline void
885 netbsd32_from_bpf_dltlist(struct bpf_dltlist *p, struct netbsd32_bpf_dltlist *s32p, u_long cmd)
886 {
887 
888 	NETBSD32PTR32(s32p->bfl_list, p->bfl_list);
889 	s32p->bfl_len = p->bfl_len;
890 }
891 
892 static inline void
893 netbsd32_from_u_long(u_long *p, netbsd32_u_long *s32p, u_long cmd)
894 {
895 
896 	*s32p = (netbsd32_u_long)*p;
897 }
898 
899 static inline void
900 netbsd32_from_voidp(voidp *p, netbsd32_voidp *s32p, u_long cmd)
901 {
902 
903 	NETBSD32PTR32(*s32p, *p);
904 }
905 
906 static inline void
907 netbsd32_from_clockctl_settimeofday(
908     const struct clockctl_settimeofday *p,
909     struct netbsd32_clockctl_settimeofday *s32p,
910     u_long cmd)
911 {
912 
913 	NETBSD32PTR32(s32p->tv, p->tv);
914 	NETBSD32PTR32(s32p->tzp, p->tzp);
915 }
916 
917 static inline void
918 netbsd32_from_clockctl_adjtime(
919     const struct clockctl_adjtime *p,
920     struct netbsd32_clockctl_adjtime *s32p,
921     u_long cmd)
922 {
923 
924 	NETBSD32PTR32(s32p->delta, p->delta);
925 	NETBSD32PTR32(s32p->olddelta, p->olddelta);
926 }
927 
928 static inline void
929 netbsd32_from_clockctl_clock_settime(
930     const struct clockctl_clock_settime *p,
931     struct netbsd32_clockctl_clock_settime *s32p,
932     u_long cmd)
933 {
934 
935 	s32p->clock_id = p->clock_id;
936 	NETBSD32PTR32(s32p->tp, p->tp);
937 }
938 
939 #ifdef NTP
940 static inline void
941 netbsd32_from_clockctl_ntp_adjtime(
942     const struct clockctl_ntp_adjtime *p,
943     struct netbsd32_clockctl_ntp_adjtime *s32p,
944     u_long cmd)
945 {
946 
947 	NETBSD32PTR32(s32p->tp, p->tp);
948 	s32p->retval = p->retval;
949 }
950 #endif
951 
952 static inline void
953 netbsd32_from_ksyms_gsymbol(
954     const struct ksyms_gsymbol *p,
955     struct netbsd32_ksyms_gsymbol *s32p,
956     u_long cmd)
957 {
958 
959 	NETBSD32PTR32(s32p->kg_name, p->kg_name);
960 	s32p->kg_sym = p->kg_sym;
961 }
962 
963 static inline void
964 netbsd32_from_ksyms_gvalue(
965     const struct ksyms_gvalue *p,
966     struct netbsd32_ksyms_gvalue *s32p,
967     u_long cmd)
968 {
969 
970 	NETBSD32PTR32(s32p->kv_name, p->kv_name);
971 	s32p->kv_value = p->kv_value;
972 }
973 
974 static inline void
975 netbsd32_from_npf_ioctl_table(
976     const struct npf_ioctl_table *p,
977     struct netbsd32_npf_ioctl_table *s32p,
978     u_long cmd)
979 {
980 
981        s32p->nct_cmd = p->nct_cmd;
982        NETBSD32PTR32(s32p->nct_name, p->nct_name);
983        switch (p->nct_cmd) {
984        case NPF_CMD_TABLE_LOOKUP:
985        case NPF_CMD_TABLE_ADD:
986        case NPF_CMD_TABLE_REMOVE:
987                s32p->nct_data.ent = p->nct_data.ent;
988                break;
989        case NPF_CMD_TABLE_LIST:
990                NETBSD32PTR32(s32p->nct_data.buf.buf, p->nct_data.buf.buf);
991                s32p->nct_data.buf.len = p->nct_data.buf.len;
992                break;
993        }
994 }
995 
996 static inline void
997 netbsd32_from_devlistargs(
998     const struct devlistargs *p,
999     struct netbsd32_devlistargs *s32p,
1000     u_long cmd)
1001 {
1002 	memcpy(s32p->l_devname, p->l_devname, sizeof(s32p->l_devname));
1003 	s32p->l_children = p->l_children;
1004 	NETBSD32PTR32(s32p->l_childname, p->l_childname);
1005 }
1006 
1007 static inline void
1008 netbsd32_from_devrescanargs(
1009     const struct devrescanargs *p,
1010     struct netbsd32_devrescanargs *s32p,
1011     u_long cmd)
1012 {
1013 	memcpy(s32p->busname, p->busname, sizeof(s32p->busname));
1014 	memcpy(s32p->ifattr, p->ifattr, sizeof(s32p->ifattr));
1015 	s32p->numlocators = p->numlocators;
1016 	NETBSD32PTR32(s32p->locators, p->locators);
1017 }
1018 
1019 static inline void
1020 netbsd32_from_disk_strategy(
1021     const struct disk_strategy *p,
1022     struct netbsd32_disk_strategy *s32p,
1023     u_long cmd)
1024 {
1025 	memcpy(s32p->dks_name, p->dks_name, sizeof(p->dks_name));
1026 	NETBSD32PTR32(s32p->dks_param, p->dks_param);
1027 	s32p->dks_paramlen = p->dks_paramlen;
1028 }
1029 
1030 static inline void
1031 netbsd32_from_dkwedge_list(
1032     const struct dkwedge_list *p,
1033     struct netbsd32_dkwedge_list *s32p,
1034     u_long cmd)
1035 {
1036 	NETBSD32PTR32(s32p->dkwl_buf, p->dkwl_buf);
1037 	s32p->dkwl_bufsize = p->dkwl_bufsize;
1038 	s32p->dkwl_nwedges = p->dkwl_nwedges;
1039 	s32p->dkwl_ncopied = p->dkwl_ncopied;
1040 }
1041 
1042 #ifdef NTP
1043 static int
1044 netbsd32_do_clockctl_ntp_adjtime(struct clockctl_ntp_adjtime *args)
1045 {
1046 
1047 	struct netbsd32_timex ntv32;
1048 	struct timex ntv;
1049 	int error;
1050 
1051 	if (vec_ntp_adjtime1 == NULL)
1052 		return EINVAL;
1053 
1054 	error = copyin(args->tp, &ntv32, sizeof(ntv32));
1055 	if (error)
1056 		return (error);
1057 
1058 	netbsd32_to_timex(&ntv32, &ntv);
1059 	(*vec_ntp_adjtime1)(&ntv);
1060 	netbsd32_from_timex(&ntv, &ntv32);
1061 
1062 	error = copyout(&ntv32, args->tp, sizeof(ntv));
1063 	if (error == 0)
1064 		args->retval = ntp_timestatus();
1065 
1066 	return error;
1067 }
1068 #endif
1069 
1070 /*
1071  * main ioctl syscall.
1072  *
1073  * ok, here we are in the biggy.  we have to do fix ups depending
1074  * on the ioctl command before and afterwards.
1075  */
1076 int
1077 netbsd32_ioctl(struct lwp *l, const struct netbsd32_ioctl_args *uap, register_t *retval)
1078 {
1079 	/* {
1080 		syscallarg(int) fd;
1081 		syscallarg(netbsd32_u_long) com;
1082 		syscallarg(netbsd32_voidp) data;
1083 	} */
1084 	struct proc *p = l->l_proc;
1085 	struct file *fp;
1086 	struct filedesc *fdp;
1087 	u_long com;
1088 	int error = 0;
1089 	size_t size;
1090 	size_t alloc_size32, size32;
1091 	void *data, *memp = NULL;
1092 	void *data32, *memp32 = NULL;
1093 	unsigned int fd;
1094 	fdfile_t *ff;
1095 	int tmp;
1096 #define STK_PARAMS	128
1097 	uint64_t stkbuf[STK_PARAMS/sizeof(uint64_t)];
1098 	uint64_t stkbuf32[STK_PARAMS/sizeof(uint64_t)];
1099 
1100 	/*
1101 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
1102 	 * some after (_IOR), and some both (_IOWR).
1103 	 */
1104 #if 0
1105 	{
1106 		const char * const dirs[8] = {
1107 		    "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
1108 		    "INOUT", "VOID|IN|OUT!"
1109 		};
1110 
1111 		printf("netbsd32_ioctl(%d, %x, %x): "
1112 		    "%s group %c base %d len %d\n",
1113 		    SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data).i32,
1114 		    dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
1115 		    IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
1116 		    IOCPARM_LEN(SCARG(uap, com)));
1117 	}
1118 #endif
1119 
1120 	memp = NULL;
1121 	memp32 = NULL;
1122 	alloc_size32 = 0;
1123 	size32 = 0;
1124 	size = 0;
1125 
1126 	fdp = p->p_fd;
1127 	fd = SCARG(uap, fd);
1128 	if ((fp = fd_getfile(fd)) == NULL)
1129 		return (EBADF);
1130 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
1131 		error = EBADF;
1132 		goto out;
1133 	}
1134 
1135 	ff = fdp->fd_dt->dt_ff[SCARG(uap, fd)];
1136 	switch (com = SCARG(uap, com)) {
1137 	case FIOCLEX:
1138 		ff->ff_exclose = true;
1139 		fdp->fd_exclose = true;
1140 		goto out;
1141 
1142 	case FIONCLEX:
1143 		ff->ff_exclose = false;
1144 		goto out;
1145 	}
1146 
1147 	/*
1148 	 * Interpret high order word to find amount of data to be
1149 	 * copied to/from the user's address space.
1150 	 */
1151 	size32 = IOCPARM_LEN(com);
1152 	alloc_size32 = size32;
1153 
1154 	/*
1155 	 * The disklabel is now padded to a multiple of 8 bytes however the old
1156 	 * disklabel on 32bit platforms wasn't.  This leaves a difference in
1157 	 * size of 4 bytes between the two but are otherwise identical.
1158 	 * To deal with this, we allocate enough space for the new disklabel
1159 	 * but only copyin/out the smaller amount.
1160 	 */
1161 	if (IOCGROUP(com) == 'd') {
1162 		u_long ncom = com ^ (DIOCGDINFO ^ DIOCGDINFO32);
1163 		switch (ncom) {
1164 		case DIOCGDINFO:
1165 		case DIOCWDINFO:
1166 		case DIOCSDINFO:
1167 		case DIOCGDEFLABEL:
1168 			com = ncom;
1169 			if (IOCPARM_LEN(DIOCGDINFO32) < IOCPARM_LEN(DIOCGDINFO))
1170 				alloc_size32 = IOCPARM_LEN(DIOCGDINFO);
1171 			break;
1172 		}
1173 	}
1174 	if (alloc_size32 > IOCPARM_MAX) {
1175 		error = ENOTTY;
1176 		goto out;
1177 	}
1178 	if (alloc_size32 > sizeof(stkbuf)) {
1179 		memp32 = kmem_alloc(alloc_size32, KM_SLEEP);
1180 		data32 = memp32;
1181 	} else
1182 		data32 = (void *)stkbuf32;
1183 	if ((com >> IOCPARM_SHIFT) == 0)  {
1184 		/* UNIX-style ioctl. */
1185 		data32 = SCARG_P32(uap, data);
1186 	} else {
1187 		if (com&IOC_IN) {
1188 			if (size32) {
1189 				error = copyin(SCARG_P32(uap, data), data32,
1190 				    size32);
1191 				if (error) {
1192 					goto out;
1193 				}
1194 				/*
1195 				 * The data between size and alloc_size has
1196 				 * not been overwritten.  It shouldn't matter
1197 				 * but let's clear that anyway.
1198 				 */
1199 				if (__predict_false(size32 < alloc_size32)) {
1200 					memset((char *)data32+size32, 0,
1201 					    alloc_size32 - size32);
1202 				}
1203 				ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data),
1204 				    size32, 0);
1205 			} else
1206 				*(void **)data32 = SCARG_P32(uap, data);
1207 		} else if ((com&IOC_OUT) && size32) {
1208 			/*
1209 			 * Zero the buffer so the user always
1210 			 * gets back something deterministic.
1211 			 */
1212 			memset(data32, 0, alloc_size32);
1213 		} else if (com&IOC_VOID) {
1214 			*(void **)data32 = SCARG_P32(uap, data);
1215 		}
1216 	}
1217 
1218 	/*
1219 	 * convert various structures, pointers, and other objects that
1220 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
1221 	 */
1222 	switch (SCARG(uap, com)) {
1223 	case FIONBIO:
1224 		mutex_enter(&fp->f_lock);
1225 		if ((tmp = *(int *)data32) != 0)
1226 			fp->f_flag |= FNONBLOCK;
1227 		else
1228 			fp->f_flag &= ~FNONBLOCK;
1229 		mutex_exit(&fp->f_lock);
1230 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp);
1231 		break;
1232 
1233 	case FIOASYNC:
1234 		mutex_enter(&fp->f_lock);
1235 		if ((tmp = *(int *)data32) != 0)
1236 			fp->f_flag |= FASYNC;
1237 		else
1238 			fp->f_flag &= ~FASYNC;
1239 		mutex_exit(&fp->f_lock);
1240 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp);
1241 		break;
1242 
1243 	case AUDIO_WSEEK32:
1244 		IOCTL_CONV_TO(AUDIO_WSEEK, u_long);
1245 
1246 #if 0	/* not implemented by anything */
1247 	case DIOCRFORMAT32:
1248 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
1249 	case DIOCWFORMAT32:
1250 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
1251 #endif
1252 
1253 	case ATAIOCCOMMAND32:
1254 		IOCTL_STRUCT_CONV_TO(ATAIOCCOMMAND, atareq);
1255 
1256 	case SIOCIFGCLONERS32:
1257 		{
1258 			struct netbsd32_if_clonereq *req =
1259 			    (struct netbsd32_if_clonereq *)data32;
1260 			char *buf = NETBSD32PTR64(req->ifcr_buffer);
1261 
1262 			error = if_clone_list(req->ifcr_count,
1263 			    buf, &req->ifcr_total);
1264 			break;
1265 		}
1266 
1267 /*
1268  * only a few ifreq syscalls need conversion and those are
1269  * all driver specific... XXX
1270  */
1271 #if 0
1272 	case SIOCGADDRROM3232:
1273 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
1274 	case SIOCGCHIPID32:
1275 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
1276 	case SIOCSIFADDR32:
1277 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
1278 	case OSIOCGIFADDR32:
1279 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
1280 	case SIOCGIFADDR32:
1281 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
1282 	case SIOCSIFDSTADDR32:
1283 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
1284 	case OSIOCGIFDSTADDR32:
1285 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
1286 	case SIOCGIFDSTADDR32:
1287 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
1288 	case OSIOCGIFBRDADDR32:
1289 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
1290 	case SIOCGIFBRDADDR32:
1291 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
1292 	case SIOCSIFBRDADDR32:
1293 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
1294 	case OSIOCGIFNETMASK32:
1295 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
1296 	case SIOCGIFNETMASK32:
1297 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
1298 	case SIOCSIFNETMASK32:
1299 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
1300 	case SIOCGIFMETRIC32:
1301 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
1302 	case SIOCSIFMETRIC32:
1303 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
1304 	case SIOCDIFADDR32:
1305 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
1306 	case SIOCADDMULTI32:
1307 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
1308 	case SIOCDELMULTI32:
1309 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
1310 	case SIOCSIFMEDIA32:
1311 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
1312 	case SIOCSIFMTU32:
1313 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
1314 	case SIOCGIFMTU32:
1315 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
1316 	case BIOCGETIF32:
1317 		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq);
1318 	case BIOCSETIF32:
1319 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
1320 	case SIOCPHASE132:
1321 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
1322 	case SIOCPHASE232:
1323 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
1324 #endif
1325 
1326 	case OOSIOCGIFCONF32:
1327 		IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf);
1328 	case OSIOCGIFCONF32:
1329 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
1330 	case SIOCGIFCONF32:
1331 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
1332 
1333 	case SIOCGIFFLAGS32:
1334 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
1335 	case SIOCSIFFLAGS32:
1336 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
1337 
1338 	case SIOCGIFADDRPREF32:
1339 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDRPREF, if_addrprefreq);
1340 	case SIOCSIFADDRPREF32:
1341 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDRPREF, if_addrprefreq);
1342 
1343 
1344 	case OSIOCGIFFLAGS32:
1345 		IOCTL_STRUCT_CONV_TO(OSIOCGIFFLAGS, oifreq);
1346 	case OSIOCSIFFLAGS32:
1347 		IOCTL_STRUCT_CONV_TO(OSIOCSIFFLAGS, oifreq);
1348 
1349 	case SIOCGIFMEDIA32:
1350 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
1351 
1352 	case SIOCGIFGENERIC32:
1353 		IOCTL_STRUCT_CONV_TO(SIOCGIFGENERIC, ifreq);
1354 	case SIOCSIFGENERIC32:
1355 		IOCTL_STRUCT_CONV_TO(SIOCSIFGENERIC, ifreq);
1356 
1357 	case PPPOESETPARMS32:
1358 		IOCTL_STRUCT_CONV_TO(PPPOESETPARMS, pppoediscparms);
1359 	case PPPOEGETPARMS32:
1360 		IOCTL_STRUCT_CONV_TO(PPPOEGETPARMS, pppoediscparms);
1361 	case SPPPGETAUTHCFG32:
1362 		IOCTL_STRUCT_CONV_TO(SPPPGETAUTHCFG, spppauthcfg);
1363 	case SPPPSETAUTHCFG32:
1364 		IOCTL_STRUCT_CONV_TO(SPPPSETAUTHCFG, spppauthcfg);
1365 
1366 	case SIOCSDRVSPEC32:
1367 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
1368 	case SIOCGDRVSPEC32:
1369 		IOCTL_STRUCT_CONV_TO(SIOCGDRVSPEC, ifdrv);
1370 
1371 	case SIOCGETVIFCNT32:
1372 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
1373 
1374 	case SIOCGETSGCNT32:
1375 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
1376 
1377 	case VNDIOCSET32:
1378 		IOCTL_STRUCT_CONV_TO(VNDIOCSET, vnd_ioctl);
1379 
1380 	case VNDIOCCLR32:
1381 		IOCTL_STRUCT_CONV_TO(VNDIOCCLR, vnd_ioctl);
1382 
1383 	case VNDIOCGET32:
1384 		IOCTL_STRUCT_CONV_TO(VNDIOCGET, vnd_user);
1385 
1386 	case VNDIOCSET5032:
1387 		IOCTL_STRUCT_CONV_TO(VNDIOCSET50, vnd_ioctl50);
1388 
1389 	case VNDIOCCLR5032:
1390 		IOCTL_STRUCT_CONV_TO(VNDIOCCLR50, vnd_ioctl50);
1391 
1392 	case ENVSYS_GETDICTIONARY32:
1393 		IOCTL_STRUCT_CONV_TO(ENVSYS_GETDICTIONARY, plistref);
1394 	case ENVSYS_SETDICTIONARY32:
1395 		IOCTL_STRUCT_CONV_TO(ENVSYS_SETDICTIONARY, plistref);
1396 	case ENVSYS_REMOVEPROPS32:
1397 		IOCTL_STRUCT_CONV_TO(ENVSYS_REMOVEPROPS, plistref);
1398 
1399 	case WDOGIOC_GWDOGS32:
1400 		IOCTL_STRUCT_CONV_TO(WDOGIOC_GWDOGS, wdog_conf);
1401 
1402 	case BIOCSETF32:
1403 		IOCTL_STRUCT_CONV_TO(BIOCSETF, bpf_program);
1404 	case BIOCSTCPF32:
1405 		IOCTL_STRUCT_CONV_TO(BIOCSTCPF, bpf_program);
1406 	case BIOCSUDPF32:
1407 		IOCTL_STRUCT_CONV_TO(BIOCSUDPF, bpf_program);
1408 	case BIOCGDLTLIST32:
1409 		IOCTL_STRUCT_CONV_TO(BIOCGDLTLIST, bpf_dltlist);
1410 	case BIOCSRTIMEOUT32:
1411 #define netbsd32_to_timeval(s32p, p, cmd) netbsd32_to_timeval(s32p, p)
1412 #define netbsd32_from_timeval(p, s32p, cmd) netbsd32_from_timeval(p, s32p)
1413 		IOCTL_STRUCT_CONV_TO(BIOCSRTIMEOUT, timeval);
1414 #undef netbsd32_to_timeval
1415 #undef netbsd32_from_timeval
1416 
1417 	case WSDISPLAYIO_ADDSCREEN32:
1418 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_ADDSCREEN, wsdisplay_addscreendata);
1419 
1420 	case WSDISPLAYIO_GCURSOR32:
1421 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GCURSOR, wsdisplay_cursor);
1422 	case WSDISPLAYIO_SCURSOR32:
1423 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SCURSOR, wsdisplay_cursor);
1424 
1425 	case WSDISPLAYIO_GETCMAP32:
1426 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GETCMAP, wsdisplay_cmap);
1427 	case WSDISPLAYIO_PUTCMAP32:
1428 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_PUTCMAP, wsdisplay_cmap);
1429 
1430 	case WSDISPLAYIO_LDFONT32:
1431 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_LDFONT, wsdisplay_font);
1432 	case WSDISPLAYIO_SFONT32:
1433 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SFONT, wsdisplay_usefontdata);
1434 
1435 	case SIOCS8021132:
1436 		IOCTL_STRUCT_CONV_TO(SIOCS80211, ieee80211req);
1437 	case SIOCG8021132:
1438 		IOCTL_STRUCT_CONV_TO(SIOCG80211, ieee80211req);
1439 	case SIOCS80211NWKEY32:
1440 		IOCTL_STRUCT_CONV_TO(SIOCS80211NWKEY, ieee80211_nwkey);
1441 	case SIOCG80211NWKEY32:
1442 		IOCTL_STRUCT_CONV_TO(SIOCG80211NWKEY, ieee80211_nwkey);
1443 
1444 	case POWER_EVENT_RECVDICT32:
1445 		IOCTL_STRUCT_CONV_TO(POWER_EVENT_RECVDICT, plistref);
1446 
1447 	case CLOCKCTL_SETTIMEOFDAY32:
1448 		IOCTL_STRUCT_CONV_TO(CLOCKCTL_SETTIMEOFDAY,
1449 		    clockctl_settimeofday);
1450 	case CLOCKCTL_ADJTIME32:
1451 		IOCTL_STRUCT_CONV_TO(CLOCKCTL_ADJTIME, clockctl_adjtime);
1452 	case CLOCKCTL_CLOCK_SETTIME32:
1453 		IOCTL_STRUCT_CONV_TO(CLOCKCTL_CLOCK_SETTIME,
1454 		    clockctl_clock_settime);
1455 	case CLOCKCTL_NTP_ADJTIME32:
1456 #ifdef NTP
1457 		{
1458 			size = IOCPARM_LEN(CLOCKCTL_NTP_ADJTIME);
1459 			if (size > sizeof(stkbuf))
1460 				data = memp = kmem_alloc(size, KM_SLEEP);
1461 			else
1462 				data = (void *)stkbuf;
1463 
1464 			netbsd32_to_clockctl_ntp_adjtime(
1465 				(const struct netbsd32_clockctl_ntp_adjtime *)data32,
1466 				(struct clockctl_ntp_adjtime *)data,
1467 				CLOCKCTL_NTP_ADJTIME);
1468 			error = netbsd32_do_clockctl_ntp_adjtime(
1469 				(struct clockctl_ntp_adjtime *)data);
1470 			netbsd32_from_clockctl_ntp_adjtime(
1471 				(const struct clockctl_ntp_adjtime *)data,
1472 				(struct netbsd32_clockctl_ntp_adjtime *)data32,
1473 				CLOCKCTL_NTP_ADJTIME);
1474 
1475 			break;
1476 		}
1477 #else
1478 		error = ENOTTY;
1479 		break;
1480 #endif /* NTP */
1481 
1482 	case KIOCGSYMBOL32:
1483 		IOCTL_STRUCT_CONV_TO(KIOCGSYMBOL, ksyms_gsymbol);
1484 	case KIOCGVALUE32:
1485 		IOCTL_STRUCT_CONV_TO(KIOCGVALUE, ksyms_gvalue);
1486 
1487         case IOC_NPF_LOAD32:
1488                 IOCTL_CONV_TO(IOC_NPF_LOAD, nvlist_ref_t);
1489         case IOC_NPF_TABLE32:
1490                 IOCTL_STRUCT_CONV_TO(IOC_NPF_TABLE, npf_ioctl_table);
1491         case IOC_NPF_STATS32:
1492                 IOCTL_CONV_TO(IOC_NPF_STATS, voidp);
1493         case IOC_NPF_SAVE32:
1494                 IOCTL_CONV_TO(IOC_NPF_SAVE, nvlist_ref_t);
1495         case IOC_NPF_RULE32:
1496                 IOCTL_CONV_TO(IOC_NPF_RULE, nvlist_ref_t);
1497         case IOC_NPF_CONN_LOOKUP32:
1498                 IOCTL_CONV_TO(IOC_NPF_CONN_LOOKUP, nvlist_ref_t);
1499 
1500 	case DRVRESCANBUS32:
1501 		IOCTL_STRUCT_CONV_TO(DRVRESCANBUS, devrescanargs);
1502 	case DRVLISTDEV32:
1503 		IOCTL_STRUCT_CONV_TO(DRVLISTDEV, devlistargs);
1504 	case DRVCTLCOMMAND32:
1505 		IOCTL_STRUCT_CONV_TO(DRVCTLCOMMAND, plistref);
1506 	case DRVGETEVENT32:
1507 		IOCTL_STRUCT_CONV_TO(DRVGETEVENT, plistref);
1508 
1509 	case DIOCGSTRATEGY32:
1510 		IOCTL_STRUCT_CONV_TO(DIOCGSTRATEGY, disk_strategy);
1511 	case DIOCSSTRATEGY32:
1512 		IOCTL_STRUCT_CONV_TO(DIOCSSTRATEGY, disk_strategy);
1513 	case DIOCLWEDGES32:
1514 		IOCTL_STRUCT_CONV_TO(DIOCLWEDGES, dkwedge_list);
1515 
1516 	default:
1517 #ifdef NETBSD32_MD_IOCTL
1518 		error = netbsd32_md_ioctl(fp, com, data32, l);
1519 #else
1520 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32);
1521 #endif
1522 		break;
1523 	}
1524 
1525 	if (error == EPASSTHROUGH)
1526 		error = ENOTTY;
1527 
1528 	/*
1529 	 * Copy any data to user, size was
1530 	 * already set and checked above.
1531 	 */
1532 	if (error == 0 && (com&IOC_OUT) && size32) {
1533 		error = copyout(data32, SCARG_P32(uap, data), size32);
1534 		ktrgenio(fd, UIO_READ, SCARG_P32(uap, data),
1535 		    size32, error);
1536 	}
1537 
1538  out:
1539 	/* If we allocated data, free it here. */
1540 	if (memp32)
1541 		kmem_free(memp32, alloc_size32);
1542 	if (memp)
1543 		kmem_free(memp, size);
1544 	fd_putfile(fd);
1545 	return (error);
1546 }
1547