xref: /netbsd-src/sys/compat/netbsd32/netbsd32_ioctl.c (revision deb6f0161a9109e7de9b519dc8dfb9478668dcdd)
1 /*	$NetBSD: netbsd32_ioctl.c,v 1.100 2018/11/25 17:58:29 mlelstv 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 1.100 2018/11/25 17:58:29 mlelstv 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 
65 #ifdef __sparc__
66 #include <dev/sun/fbio.h>
67 #include <machine/openpromio.h>
68 #endif
69 
70 #include <net/if.h>
71 #include <net/route.h>
72 
73 #include <net/if_pppoe.h>
74 #include <net/if_sppp.h>
75 
76 #include <net/bpf.h>
77 #include <netinet/in.h>
78 #include <netinet/in_var.h>
79 #include <netinet/igmp.h>
80 #include <netinet/igmp_var.h>
81 #include <netinet/ip_mroute.h>
82 
83 #include <compat/sys/sockio.h>
84 
85 #include <compat/netbsd32/netbsd32.h>
86 #include <compat/netbsd32/netbsd32_ioctl.h>
87 #include <compat/netbsd32/netbsd32_syscallargs.h>
88 #include <compat/netbsd32/netbsd32_conv.h>
89 
90 #include <dev/vndvar.h>
91 
92 /* convert to/from different structures */
93 
94 #if 0
95 static inline void
96 netbsd32_to_format_op(struct netbsd32_format_op *s32p, struct format_op *p, u_long cmd)
97 {
98 
99 	p->df_buf = (char *)NETBSD32PTR64(s32p->df_buf);
100 	p->df_count = s32p->df_count;
101 	p->df_startblk = s32p->df_startblk;
102 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
103 }
104 #endif
105 
106 static inline void
107 netbsd32_to_ifreq(struct netbsd32_ifreq *s32p, struct ifreq *p, u_long cmd)
108 {
109 
110 	memcpy(p, s32p, sizeof *s32p);
111 	/*
112 	 * XXX
113 	 * struct ifreq says the same, but sometimes the ifr_data
114 	 * union member needs to be converted to 64 bits... this
115 	 * is very driver specific and so we ignore it for now..
116 	 */
117 	switch (cmd) {
118 	case SIOCGIFDATA:
119 	case SIOCZIFDATA:
120 	case SIOCGIFGENERIC:
121 	case SIOCSIFGENERIC:
122 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
123 		break;
124 	}
125 }
126 
127 static inline void
128 netbsd32_to_oifreq(struct netbsd32_oifreq *s32p, struct oifreq *p, u_long cmd)
129 {
130 
131 	memcpy(p, s32p, sizeof *s32p);
132 	/*
133 	 * XXX
134 	 * struct ifreq says the same, but sometimes the ifr_data
135 	 * union member needs to be converted to 64 bits... this
136 	 * is very driver specific and so we ignore it for now..
137 	 */
138 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
139 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
140 }
141 
142 static inline void
143 netbsd32_to_if_addrprefreq(const struct netbsd32_if_addrprefreq *ifap32,
144 	struct if_addrprefreq *ifap, u_long cmd)
145 {
146 	strlcpy(ifap->ifap_name, ifap32->ifap_name, sizeof(ifap->ifap_name));
147 	ifap->ifap_preference = ifap32->ifap_preference;
148 	memcpy(&ifap->ifap_addr, &ifap32->ifap_addr,
149 	    uimin(ifap32->ifap_addr.ss_len, _SS_MAXSIZE));
150 }
151 
152 static inline void
153 netbsd32_to_ifconf(struct netbsd32_ifconf *s32p, struct ifconf *p, u_long cmd)
154 {
155 
156 	p->ifc_len = s32p->ifc_len;
157 	/* ifc_buf & ifc_req are the same size so this works */
158 	p->ifc_buf = (void *)NETBSD32PTR64(s32p->ifc_buf);
159 }
160 
161 static inline void
162 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *s32p, struct ifmediareq *p, u_long cmd)
163 {
164 
165 	memcpy(p, s32p, sizeof *s32p);
166 	p->ifm_ulist = (int *)NETBSD32PTR64(s32p->ifm_ulist);
167 }
168 
169 static inline void
170 netbsd32_to_pppoediscparms(struct netbsd32_pppoediscparms *s32p,
171     struct pppoediscparms *p, u_long cmd)
172 {
173 
174 	memcpy(p->ifname, s32p->ifname, sizeof p->ifname);
175 	memcpy(p->eth_ifname, s32p->eth_ifname, sizeof p->eth_ifname);
176 	p->ac_name = (char *)NETBSD32PTR64(s32p->ac_name);
177 	p->ac_name_len = s32p->ac_name_len;
178 	p->service_name = (char *)NETBSD32PTR64(s32p->service_name);
179 	p->service_name_len = s32p->service_name_len;
180 }
181 
182 static inline void
183 netbsd32_to_spppauthcfg(struct netbsd32_spppauthcfg *s32p,
184     struct spppauthcfg *p, u_long cmd)
185 {
186 
187 	memcpy(p->ifname, s32p->ifname, sizeof p->ifname);
188 	p->hisauth = s32p->hisauth;
189 	p->myauth = s32p->myauth;
190 	p->myname_length = s32p->myname_length;
191 	p->mysecret_length = s32p->mysecret_length;
192 	p->hisname_length = s32p->hisname_length;
193 	p->hissecret_length = s32p->hissecret_length;
194 	p->myauthflags = s32p->myauthflags;
195 	p->hisauthflags = s32p->hisauthflags;
196 	p->myname = (char *)NETBSD32PTR64(s32p->myname);
197 	p->mysecret = (char *)NETBSD32PTR64(s32p->mysecret);
198 	p->hisname = (char *)NETBSD32PTR64(s32p->hisname);
199 	p->hissecret = (char *)NETBSD32PTR64(s32p->hissecret);
200 }
201 
202 static inline void
203 netbsd32_to_ifdrv(struct netbsd32_ifdrv *s32p, struct ifdrv *p, u_long cmd)
204 {
205 
206 	memcpy(p->ifd_name, s32p->ifd_name, sizeof p->ifd_name);
207 	p->ifd_cmd = s32p->ifd_cmd;
208 	p->ifd_len = s32p->ifd_len;
209 	p->ifd_data = (void *)NETBSD32PTR64(s32p->ifd_data);
210 }
211 
212 static inline void
213 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *s32p, struct sioc_vif_req *p, u_long cmd)
214 {
215 
216 	p->vifi = s32p->vifi;
217 	p->icount = (u_long)s32p->icount;
218 	p->ocount = (u_long)s32p->ocount;
219 	p->ibytes = (u_long)s32p->ibytes;
220 	p->obytes = (u_long)s32p->obytes;
221 }
222 
223 static inline void
224 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *s32p, struct sioc_sg_req *p, u_long cmd)
225 {
226 
227 	p->src = s32p->src;
228 	p->grp = s32p->grp;
229 	p->pktcnt = (u_long)s32p->pktcnt;
230 	p->bytecnt = (u_long)s32p->bytecnt;
231 	p->wrong_if = (u_long)s32p->wrong_if;
232 }
233 
234 static inline void
235 netbsd32_to_atareq(struct netbsd32_atareq *s32p, struct atareq *p, u_long cmd)
236 {
237 	p->flags = (u_long)s32p->flags;
238 	p->command = s32p->command;
239 	p->features = s32p->features;
240 	p->sec_count = s32p->sec_count;
241 	p->sec_num = s32p->sec_num;
242 	p->head = s32p->head;
243 	p->cylinder = s32p->cylinder;
244 	p->databuf =  (char *)NETBSD32PTR64(s32p->databuf);
245 	p->datalen = (u_long)s32p->datalen;
246 	p->timeout = s32p->timeout;
247 	p->retsts = s32p->retsts;
248 	p->error = s32p->error;
249 }
250 
251 static inline void
252 netbsd32_to_vnd_ioctl(struct netbsd32_vnd_ioctl *s32p, struct vnd_ioctl *p, u_long cmd)
253 {
254 
255 	p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
256 	p->vnd_flags = s32p->vnd_flags;
257 	p->vnd_geom = s32p->vnd_geom;
258 	p->vnd_osize = s32p->vnd_osize;
259 	p->vnd_size = s32p->vnd_size;
260 }
261 
262 static inline void
263 netbsd32_to_vnd_user(struct netbsd32_vnd_user *s32p, struct vnd_user *p, u_long cmd)
264 {
265 
266 	p->vnu_unit = s32p->vnu_unit;
267 	p->vnu_dev = s32p->vnu_dev;
268 	p->vnu_ino = s32p->vnu_ino;
269 }
270 
271 static inline void
272 netbsd32_to_vnd_ioctl50(struct netbsd32_vnd_ioctl50 *s32p, struct vnd_ioctl50 *p, u_long cmd)
273 {
274 
275 	p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
276 	p->vnd_flags = s32p->vnd_flags;
277 	p->vnd_geom = s32p->vnd_geom;
278 	p->vnd_size = s32p->vnd_size;
279 }
280 
281 static inline void
282 netbsd32_to_plistref(struct netbsd32_plistref *s32p, struct plistref *p, u_long cmd)
283 {
284 
285 	p->pref_plist = NETBSD32PTR64(s32p->pref_plist);
286 	p->pref_len = s32p->pref_len;
287 }
288 
289 static inline void
290 netbsd32_to_nvlist_ref_t(netbsd32_nvlist_ref_t *s32p, nvlist_ref_t *p, u_long cmd)
291 {
292 
293 	p->buf = NETBSD32PTR64(s32p->buf);
294 	p->len = s32p->len;
295 	p->flags = s32p->flags;
296 }
297 
298 static inline void
299 netbsd32_to_u_long(netbsd32_u_long *s32p, u_long *p, u_long cmd)
300 {
301 
302 	*p = (u_long)*s32p;
303 }
304 
305 static inline void
306 netbsd32_to_voidp(netbsd32_voidp *s32p, voidp *p, u_long cmd)
307 {
308 
309 	*p = (void *)NETBSD32PTR64(*s32p);
310 }
311 
312 static inline void
313 netbsd32_to_wdog_conf(struct netbsd32_wdog_conf *s32p, struct wdog_conf *p, u_long cmd)
314 {
315 
316 	p->wc_names = (char *)NETBSD32PTR64(s32p->wc_names);
317 	p->wc_count = s32p->wc_count;
318 }
319 
320 static inline void
321 netbsd32_to_npf_ioctl_table(
322     const struct netbsd32_npf_ioctl_table *s32p,
323     struct npf_ioctl_table *p,
324     u_long cmd)
325 {
326 
327        p->nct_cmd = s32p->nct_cmd;
328        p->nct_name = NETBSD32PTR64(s32p->nct_name);
329        switch (s32p->nct_cmd) {
330        case NPF_CMD_TABLE_LOOKUP:
331        case NPF_CMD_TABLE_ADD:
332        case NPF_CMD_TABLE_REMOVE:
333                p->nct_data.ent = s32p->nct_data.ent;
334                break;
335        case NPF_CMD_TABLE_LIST:
336                p->nct_data.buf.buf = NETBSD32PTR64(s32p->nct_data.buf.buf);
337                p->nct_data.buf.len = s32p->nct_data.buf.len;
338                break;
339        }
340 }
341 
342 static inline void
343 netbsd32_to_bpf_program(struct netbsd32_bpf_program *s32p, struct bpf_program *p, u_long cmd)
344 {
345 
346 	p->bf_insns = (void *)NETBSD32PTR64(s32p->bf_insns);
347 	p->bf_len = s32p->bf_len;
348 }
349 
350 static inline void
351 netbsd32_to_bpf_dltlist(struct netbsd32_bpf_dltlist *s32p, struct bpf_dltlist *p, u_long cmd)
352 {
353 
354 	p->bfl_list = (void *)NETBSD32PTR64(s32p->bfl_list);
355 	p->bfl_len = s32p->bfl_len;
356 }
357 
358 /* wsdisplay stuff */
359 static inline void
360 netbsd32_to_wsdisplay_addscreendata(struct netbsd32_wsdisplay_addscreendata *asd32,
361 					       struct wsdisplay_addscreendata *asd,
362 					       u_long cmd)
363 {
364 	asd->screentype = (char *)NETBSD32PTR64(asd32->screentype);
365 	asd->emul = (char *)NETBSD32PTR64(asd32->emul);
366 	asd->idx = asd32->idx;
367 }
368 
369 static inline void
370 netbsd32_to_ieee80211req(struct netbsd32_ieee80211req *ireq32,
371 			 struct ieee80211req *ireq, u_long cmd)
372 {
373 	strlcpy(ireq->i_name, ireq32->i_name, IFNAMSIZ);
374 	ireq->i_type = ireq32->i_type;
375 	ireq->i_val = ireq32->i_val;
376 	ireq->i_len = ireq32->i_len;
377 	ireq->i_data = NETBSD32PTR64(ireq32->i_data);
378 }
379 
380 static inline void
381 netbsd32_to_ieee80211_nwkey(struct netbsd32_ieee80211_nwkey *nwk32,
382 					       struct ieee80211_nwkey *nwk,
383 					       u_long cmd)
384 {
385 	int i;
386 
387 	strlcpy(nwk->i_name, nwk32->i_name, IFNAMSIZ);
388 	nwk->i_wepon = nwk32->i_wepon;
389 	nwk->i_defkid = nwk32->i_defkid;
390 	for (i = 0; i < IEEE80211_WEP_NKID; i++) {
391 		nwk->i_key[i].i_keylen = nwk32->i_key[i].i_keylen;
392 		nwk->i_key[i].i_keydat =
393 		    NETBSD32PTR64(nwk32->i_key[i].i_keydat);
394 	}
395 }
396 
397 static inline void
398 netbsd32_to_wsdisplay_cursor(struct netbsd32_wsdisplay_cursor *c32,
399 					       struct wsdisplay_cursor *c,
400 					       u_long cmd)
401 {
402 	c->which = c32->which;
403 	c->enable = c32->enable;
404 	c->pos.x = c32->pos.x;
405 	c->pos.y = c32->pos.y;
406 	c->hot.x = c32->hot.x;
407 	c->hot.y = c32->hot.y;
408 	c->size.x = c32->size.x;
409 	c->size.y = c32->size.y;
410 	c->cmap.index = c32->cmap.index;
411 	c->cmap.count = c32->cmap.count;
412 	c->cmap.red = NETBSD32PTR64(c32->cmap.red);
413 	c->cmap.green = NETBSD32PTR64(c32->cmap.green);
414 	c->cmap.blue = NETBSD32PTR64(c32->cmap.blue);
415 	c->image = NETBSD32PTR64(c32->image);
416 	c->mask = NETBSD32PTR64(c32->mask);
417 }
418 
419 static inline void
420 netbsd32_to_wsdisplay_cmap(struct netbsd32_wsdisplay_cmap *c32,
421 					       struct wsdisplay_cmap *c,
422 					       u_long cmd)
423 {
424 	c->index = c32->index;
425 	c->count = c32->count;
426 	c->red   = NETBSD32PTR64(c32->red);
427 	c->green = NETBSD32PTR64(c32->green);
428 	c->blue  = NETBSD32PTR64(c32->blue);
429 }
430 
431 static inline void
432 netbsd32_to_wsdisplay_font(struct netbsd32_wsdisplay_font *f32,
433 					       struct wsdisplay_font *f,
434 					       u_long cmd)
435 {
436 	f->name = NETBSD32PTR64(f32->name);
437 	f->firstchar = f32->firstchar;
438 	f->numchars = f32->numchars;
439 	f->encoding = f32->encoding;
440 	f->fontwidth = f32->fontwidth;
441 	f->fontheight = f32->fontheight;
442 	f->stride = f32->stride;
443 	f->bitorder = f32->bitorder;
444 	f->byteorder = f32->byteorder;
445 	f->data = NETBSD32PTR64(f32->data);
446 }
447 
448 static inline void
449 netbsd32_to_wsdisplay_usefontdata(struct netbsd32_wsdisplay_usefontdata *f32,
450 					       struct wsdisplay_usefontdata *f,
451 					       u_long cmd)
452 {
453 	f->name = NETBSD32PTR64(f32->name);
454 }
455 
456 static inline void
457 netbsd32_to_clockctl_settimeofday(
458     const struct netbsd32_clockctl_settimeofday *s32p,
459     struct clockctl_settimeofday *p,
460     u_long cmd)
461 {
462 
463 	p->tv = NETBSD32PTR64(s32p->tv);
464 	p->tzp = NETBSD32PTR64(s32p->tzp);
465 }
466 
467 static inline void
468 netbsd32_to_clockctl_adjtime(
469     const struct netbsd32_clockctl_adjtime *s32p,
470     struct clockctl_adjtime *p,
471     u_long cmd)
472 {
473 
474 	p->delta = NETBSD32PTR64(s32p->delta);
475 	p->olddelta = NETBSD32PTR64(s32p->olddelta);
476 }
477 
478 static inline void
479 netbsd32_to_clockctl_clock_settime(
480     const struct netbsd32_clockctl_clock_settime *s32p,
481     struct clockctl_clock_settime *p,
482     u_long cmd)
483 {
484 
485 	p->clock_id = s32p->clock_id;
486 	p->tp = NETBSD32PTR64(s32p->tp);
487 }
488 
489 #ifdef NTP
490 static inline void
491 netbsd32_to_clockctl_ntp_adjtime(
492     const struct netbsd32_clockctl_ntp_adjtime *s32p,
493     struct clockctl_ntp_adjtime *p,
494     u_long cmd)
495 {
496 
497 	p->tp = NETBSD32PTR64(s32p->tp);
498 	p->retval = s32p->retval;
499 }
500 #endif
501 
502 static inline void
503 netbsd32_to_ksyms_gsymbol(
504     const struct netbsd32_ksyms_gsymbol *s32p,
505     struct ksyms_gsymbol *p,
506     u_long cmd)
507 {
508 
509 	p->kg_name = NETBSD32PTR64(s32p->kg_name);
510 }
511 
512 static inline void
513 netbsd32_to_ksyms_gvalue(
514     const struct netbsd32_ksyms_gvalue *s32p,
515     struct ksyms_gvalue *p,
516     u_long cmd)
517 {
518 
519 	p->kv_name = NETBSD32PTR64(s32p->kv_name);
520 }
521 
522 static inline void
523 netbsd32_to_devlistargs(
524     const struct netbsd32_devlistargs *s32p,
525     struct devlistargs *p,
526     u_long cmd)
527 {
528 	memcpy(p->l_devname, s32p->l_devname, sizeof(p->l_devname));
529 	p->l_children = s32p->l_children;
530 	p->l_childname = NETBSD32PTR64(s32p->l_childname);
531 }
532 
533 static inline void
534 netbsd32_to_devrescanargs(
535     const struct netbsd32_devrescanargs *s32p,
536     struct devrescanargs *p,
537     u_long cmd)
538 {
539 	memcpy(p->busname, s32p->busname, sizeof(p->busname));
540 	memcpy(p->ifattr, s32p->ifattr, sizeof(p->ifattr));
541 	p->numlocators = s32p->numlocators;
542 	p->locators = NETBSD32PTR64(s32p->locators);
543 }
544 
545 static inline void
546 netbsd32_to_disk_strategy(
547     const struct netbsd32_disk_strategy *s32p,
548     struct disk_strategy *p,
549     u_long cmd)
550 {
551 	memcpy(p->dks_name, s32p->dks_name, sizeof(p->dks_name));
552 	p->dks_param = NETBSD32PTR64(s32p->dks_param);
553 	p->dks_paramlen = s32p->dks_paramlen;
554 }
555 
556 static inline void
557 netbsd32_to_dkwedge_list(
558     const struct netbsd32_dkwedge_list *s32p,
559     struct dkwedge_list *p,
560     u_long cmd)
561 {
562 	p->dkwl_buf = NETBSD32PTR64(s32p->dkwl_buf);
563 	p->dkwl_bufsize = s32p->dkwl_bufsize;
564 	p->dkwl_nwedges = s32p->dkwl_nwedges;
565 	p->dkwl_ncopied = s32p->dkwl_ncopied;
566 }
567 
568 /*
569  * handle ioctl conversions from 64-bit kernel -> netbsd32
570  */
571 
572 #if 0
573 static inline void
574 netbsd32_from_format_op(struct format_op *p, struct netbsd32_format_op *s32p, u_long cmd)
575 {
576 
577 /* filled in */
578 #if 0
579 	s32p->df_buf = (netbsd32_charp)p->df_buf;
580 #endif
581 	s32p->df_count = p->df_count;
582 	s32p->df_startblk = p->df_startblk;
583 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
584 }
585 #endif
586 
587 static inline void
588 netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd)
589 {
590 
591 	/*
592 	 * XXX
593 	 * struct ifreq says the same, but sometimes the ifr_data
594 	 * union member needs to be converted to 64 bits... this
595 	 * is very driver specific and so we ignore it for now..
596 	 */
597 	memcpy(s32p, p, sizeof *s32p);
598 	switch (cmd) {
599 	case SIOCGIFDATA:
600 	case SIOCZIFDATA:
601 	case SIOCGIFGENERIC:
602 	case SIOCSIFGENERIC:
603 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
604 		break;
605 	}
606 }
607 
608 static inline void
609 netbsd32_from_oifreq(struct oifreq *p, struct netbsd32_oifreq *s32p, u_long cmd)
610 {
611 
612 	/*
613 	 * XXX
614 	 * struct ifreq says the same, but sometimes the ifr_data
615 	 * union member needs to be converted to 64 bits... this
616 	 * is very driver specific and so we ignore it for now..
617 	 */
618 	memcpy(s32p, p, sizeof *s32p);
619 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
620 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
621 }
622 
623 static inline void
624 netbsd32_from_if_addrprefreq(const struct if_addrprefreq *ifap,
625 	struct netbsd32_if_addrprefreq *ifap32, u_long cmd)
626 {
627 	strlcpy(ifap32->ifap_name, ifap->ifap_name, sizeof(ifap32->ifap_name));
628 	ifap32->ifap_preference = ifap->ifap_preference;
629 	memcpy(&ifap32->ifap_addr, &ifap->ifap_addr,
630 	    uimin(ifap->ifap_addr.ss_len, _SS_MAXSIZE));
631 }
632 
633 static inline void
634 netbsd32_from_ifconf(struct ifconf *p, struct netbsd32_ifconf *s32p, u_long cmd)
635 {
636 
637 	s32p->ifc_len = p->ifc_len;
638 	/* ifc_buf & ifc_req are the same size so this works */
639 	NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf);
640 }
641 
642 static inline void
643 netbsd32_from_ifmediareq(struct ifmediareq *p, struct netbsd32_ifmediareq *s32p, u_long cmd)
644 {
645 
646 	memcpy(s32p, p, sizeof *p);
647 /* filled in? */
648 #if 0
649 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
650 #endif
651 }
652 
653 static inline void
654 netbsd32_from_pppoediscparms(struct pppoediscparms *p,
655     struct netbsd32_pppoediscparms *s32p, u_long cmd)
656 {
657 
658 	memcpy(s32p->ifname, p->ifname, sizeof s32p->ifname);
659 	memcpy(s32p->eth_ifname, p->eth_ifname, sizeof s32p->eth_ifname);
660 	NETBSD32PTR32(s32p->ac_name, p->ac_name);
661 	s32p->ac_name_len = p->ac_name_len;
662 	NETBSD32PTR32(s32p->service_name, p->service_name);
663 	s32p->service_name_len = p->service_name_len;
664 }
665 
666 static inline void
667 netbsd32_from_spppauthcfg(struct spppauthcfg *p,
668     struct netbsd32_spppauthcfg *s32p, u_long cmd)
669 {
670 
671 	memcpy(s32p->ifname, p->ifname, sizeof s32p->ifname);
672 	s32p->hisauth = p->hisauth;
673 	s32p->myauth = p->myauth;
674 	s32p->myname_length = p->myname_length;
675 	s32p->mysecret_length = p->mysecret_length;
676 	s32p->hisname_length = p->hisname_length;
677 	s32p->hissecret_length = p->hissecret_length;
678 	s32p->myauthflags = p->myauthflags;
679 	s32p->hisauthflags = p->hisauthflags;
680 	NETBSD32PTR32(s32p->myname, p->myname);
681 	NETBSD32PTR32(s32p->mysecret, p->mysecret);
682 	NETBSD32PTR32(s32p->hisname, p->hisname);
683 	NETBSD32PTR32(s32p->hissecret, p->hissecret);
684 }
685 
686 static inline void
687 netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd)
688 {
689 
690 	memcpy(s32p->ifd_name, p->ifd_name, sizeof s32p->ifd_name);
691 	s32p->ifd_cmd = p->ifd_cmd;
692 	s32p->ifd_len = p->ifd_len;
693 	NETBSD32PTR32(s32p->ifd_data, p->ifd_data);
694 }
695 
696 static inline void
697 netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, struct netbsd32_sioc_vif_req *s32p, u_long cmd)
698 {
699 
700 	s32p->vifi = p->vifi;
701 	s32p->icount = (netbsd32_u_long)p->icount;
702 	s32p->ocount = (netbsd32_u_long)p->ocount;
703 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
704 	s32p->obytes = (netbsd32_u_long)p->obytes;
705 }
706 
707 static inline void
708 netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, struct netbsd32_sioc_sg_req *s32p, u_long cmd)
709 {
710 
711 	s32p->src = p->src;
712 	s32p->grp = p->grp;
713 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
714 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
715 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
716 }
717 
718 static inline void
719 netbsd32_from_atareq(struct atareq *p, struct netbsd32_atareq *s32p, u_long cmd)
720 {
721 	s32p->flags = (netbsd32_u_long)p->flags;
722 	s32p->command = p->command;
723 	s32p->features = p->features;
724 	s32p->sec_count = p->sec_count;
725 	s32p->sec_num = p->sec_num;
726 	s32p->head = p->head;
727 	s32p->cylinder = p->cylinder;
728 	NETBSD32PTR32(s32p->databuf, p->databuf);
729 	s32p->datalen = (netbsd32_u_long)p->datalen;
730 	s32p->timeout = p->timeout;
731 	s32p->retsts = p->retsts;
732 	s32p->error = p->error;
733 }
734 
735 static inline void
736 netbsd32_from_vnd_ioctl(struct vnd_ioctl *p, struct netbsd32_vnd_ioctl *s32p, u_long cmd)
737 {
738 
739 	s32p->vnd_flags = p->vnd_flags;
740 	s32p->vnd_geom = p->vnd_geom;
741 	s32p->vnd_osize = p->vnd_osize;
742 	s32p->vnd_size = p->vnd_size;
743 }
744 
745 static inline void
746 netbsd32_from_vnd_user(struct vnd_user *p, struct netbsd32_vnd_user *s32p, u_long cmd)
747 {
748 
749 	s32p->vnu_unit = p->vnu_unit;
750 	s32p->vnu_dev = p->vnu_dev;
751 	s32p->vnu_ino = p->vnu_ino;
752 }
753 
754 static inline void
755 netbsd32_from_vnd_ioctl50(struct vnd_ioctl50 *p, struct netbsd32_vnd_ioctl50 *s32p, u_long cmd)
756 {
757 
758 	s32p->vnd_flags = p->vnd_flags;
759 	s32p->vnd_geom = p->vnd_geom;
760 	s32p->vnd_size = p->vnd_size;
761 }
762 
763 static inline void
764 netbsd32_from_plistref(struct plistref *p, struct netbsd32_plistref *s32p, u_long cmd)
765 {
766 
767 	NETBSD32PTR32(s32p->pref_plist, p->pref_plist);
768 	s32p->pref_len = p->pref_len;
769 }
770 
771 static inline void
772 netbsd32_from_nvlist_ref_t(nvlist_ref_t *p, netbsd32_nvlist_ref_t *s32p, u_long cmd)
773 {
774 
775 	NETBSD32PTR32(s32p->buf, p->buf);
776 	s32p->len = p->len;
777 	s32p->flags = p->flags;
778 }
779 
780 static inline void
781 netbsd32_from_wdog_conf(struct wdog_conf *p, struct netbsd32_wdog_conf *s32p, u_long cmd)
782 {
783 
784 	NETBSD32PTR32(s32p->wc_names, p->wc_names);
785 	s32p->wc_count = p->wc_count;
786 }
787 
788 /* wsdisplay stuff */
789 static inline void
790 netbsd32_from_wsdisplay_addscreendata(struct wsdisplay_addscreendata *asd,
791 					struct netbsd32_wsdisplay_addscreendata *asd32,
792 					u_long cmd)
793 {
794 	NETBSD32PTR32(asd32->screentype, asd->screentype);
795 	NETBSD32PTR32(asd32->emul, asd->emul);
796 	asd32->idx = asd->idx;
797 }
798 
799 static inline void
800 netbsd32_from_wsdisplay_cursor(struct wsdisplay_cursor *c,
801 					       struct netbsd32_wsdisplay_cursor *c32,
802 					       u_long cmd)
803 {
804 	c32->which = c->which;
805 	c32->enable = c->enable;
806 	c32->pos.x = c->pos.x;
807 	c32->pos.y = c->pos.y;
808 	c32->hot.x = c->hot.x;
809 	c32->hot.y = c->hot.y;
810 	c32->size.x = c->size.x;
811 	c32->size.y = c->size.y;
812 	c32->cmap.index = c->cmap.index;
813 	c32->cmap.count = c->cmap.count;
814 	NETBSD32PTR32(c32->cmap.red, c->cmap.red);
815 	NETBSD32PTR32(c32->cmap.green, c->cmap.green);
816 	NETBSD32PTR32(c32->cmap.blue, c->cmap.blue);
817 	NETBSD32PTR32(c32->image, c->image);
818 	NETBSD32PTR32(c32->mask, c->mask);
819 }
820 
821 static inline void
822 netbsd32_from_wsdisplay_cmap(struct wsdisplay_cmap *c,
823 					   struct netbsd32_wsdisplay_cmap *c32,
824 					   u_long cmd)
825 {
826 	c32->index = c->index;
827 	c32->count = c->count;
828 	NETBSD32PTR32(c32->red, c->red);
829 	NETBSD32PTR32(c32->green, c->green);
830 	NETBSD32PTR32(c32->blue, c->blue);
831 }
832 
833 static inline void
834 netbsd32_from_wsdisplay_font(struct wsdisplay_font *f,
835 					struct netbsd32_wsdisplay_font *f32,
836 					u_long cmd)
837 {
838 }
839 
840 static inline void
841 netbsd32_from_wsdisplay_usefontdata(struct wsdisplay_usefontdata *f,
842 					struct netbsd32_wsdisplay_usefontdata *f32,
843 					u_long cmd)
844 {
845 }
846 
847 static inline void
848 netbsd32_from_ieee80211req(struct ieee80211req *ireq,
849 			   struct netbsd32_ieee80211req *ireq32, u_long cmd)
850 {
851 	strlcpy(ireq32->i_name, ireq->i_name, IFNAMSIZ);
852 	ireq32->i_type = ireq->i_type;
853 	ireq32->i_val = ireq->i_val;
854 	ireq32->i_len = ireq->i_len;
855 	NETBSD32PTR32(ireq32->i_data, ireq->i_data);
856 }
857 
858 static inline void
859 netbsd32_from_ieee80211_nwkey(struct ieee80211_nwkey *nwk,
860 				struct netbsd32_ieee80211_nwkey *nwk32,
861 				u_long cmd)
862 {
863 	int i;
864 
865 	strlcpy(nwk32->i_name, nwk->i_name, IFNAMSIZ);
866 	nwk32->i_wepon = nwk->i_wepon;
867 	nwk32->i_defkid = nwk->i_defkid;
868 	for (i = 0; i < IEEE80211_WEP_NKID; i++) {
869 		nwk32->i_key[i].i_keylen = nwk->i_key[i].i_keylen;
870 		NETBSD32PTR32(nwk32->i_key[i].i_keydat,
871 				nwk->i_key[i].i_keydat);
872 	}
873 }
874 
875 static inline void
876 netbsd32_from_bpf_program(struct bpf_program *p, struct netbsd32_bpf_program *s32p, u_long cmd)
877 {
878 
879 	NETBSD32PTR32(s32p->bf_insns, p->bf_insns);
880 	s32p->bf_len = p->bf_len;
881 }
882 
883 static inline void
884 netbsd32_from_bpf_dltlist(struct bpf_dltlist *p, struct netbsd32_bpf_dltlist *s32p, u_long cmd)
885 {
886 
887 	NETBSD32PTR32(s32p->bfl_list, p->bfl_list);
888 	s32p->bfl_len = p->bfl_len;
889 }
890 
891 static inline void
892 netbsd32_from_u_long(u_long *p, netbsd32_u_long *s32p, u_long cmd)
893 {
894 
895 	*s32p = (netbsd32_u_long)*p;
896 }
897 
898 static inline void
899 netbsd32_from_voidp(voidp *p, netbsd32_voidp *s32p, u_long cmd)
900 {
901 
902 	NETBSD32PTR32(*s32p, *p);
903 }
904 
905 static inline void
906 netbsd32_from_clockctl_settimeofday(
907     const struct clockctl_settimeofday *p,
908     struct netbsd32_clockctl_settimeofday *s32p,
909     u_long cmd)
910 {
911 
912 	NETBSD32PTR32(s32p->tv, p->tv);
913 	NETBSD32PTR32(s32p->tzp, p->tzp);
914 }
915 
916 static inline void
917 netbsd32_from_clockctl_adjtime(
918     const struct clockctl_adjtime *p,
919     struct netbsd32_clockctl_adjtime *s32p,
920     u_long cmd)
921 {
922 
923 	NETBSD32PTR32(s32p->delta, p->delta);
924 	NETBSD32PTR32(s32p->olddelta, p->olddelta);
925 }
926 
927 static inline void
928 netbsd32_from_clockctl_clock_settime(
929     const struct clockctl_clock_settime *p,
930     struct netbsd32_clockctl_clock_settime *s32p,
931     u_long cmd)
932 {
933 
934 	s32p->clock_id = p->clock_id;
935 	NETBSD32PTR32(s32p->tp, p->tp);
936 }
937 
938 #ifdef NTP
939 static inline void
940 netbsd32_from_clockctl_ntp_adjtime(
941     const struct clockctl_ntp_adjtime *p,
942     struct netbsd32_clockctl_ntp_adjtime *s32p,
943     u_long cmd)
944 {
945 
946 	NETBSD32PTR32(s32p->tp, p->tp);
947 	s32p->retval = p->retval;
948 }
949 #endif
950 
951 static inline void
952 netbsd32_from_ksyms_gsymbol(
953     const struct ksyms_gsymbol *p,
954     struct netbsd32_ksyms_gsymbol *s32p,
955     u_long cmd)
956 {
957 
958 	NETBSD32PTR32(s32p->kg_name, p->kg_name);
959 	s32p->kg_sym = p->kg_sym;
960 }
961 
962 static inline void
963 netbsd32_from_ksyms_gvalue(
964     const struct ksyms_gvalue *p,
965     struct netbsd32_ksyms_gvalue *s32p,
966     u_long cmd)
967 {
968 
969 	NETBSD32PTR32(s32p->kv_name, p->kv_name);
970 	s32p->kv_value = p->kv_value;
971 }
972 
973 static inline void
974 netbsd32_from_npf_ioctl_table(
975     const struct npf_ioctl_table *p,
976     struct netbsd32_npf_ioctl_table *s32p,
977     u_long cmd)
978 {
979 
980        s32p->nct_cmd = p->nct_cmd;
981        NETBSD32PTR32(s32p->nct_name, p->nct_name);
982        switch (p->nct_cmd) {
983        case NPF_CMD_TABLE_LOOKUP:
984        case NPF_CMD_TABLE_ADD:
985        case NPF_CMD_TABLE_REMOVE:
986                s32p->nct_data.ent = p->nct_data.ent;
987                break;
988        case NPF_CMD_TABLE_LIST:
989                NETBSD32PTR32(s32p->nct_data.buf.buf, p->nct_data.buf.buf);
990                s32p->nct_data.buf.len = p->nct_data.buf.len;
991                break;
992        }
993 }
994 
995 static inline void
996 netbsd32_from_devlistargs(
997     const struct devlistargs *p,
998     struct netbsd32_devlistargs *s32p,
999     u_long cmd)
1000 {
1001 	memcpy(s32p->l_devname, p->l_devname, sizeof(s32p->l_devname));
1002 	s32p->l_children = p->l_children;
1003 	NETBSD32PTR32(s32p->l_childname, p->l_childname);
1004 }
1005 
1006 static inline void
1007 netbsd32_from_devrescanargs(
1008     const struct devrescanargs *p,
1009     struct netbsd32_devrescanargs *s32p,
1010     u_long cmd)
1011 {
1012 	memcpy(s32p->busname, p->busname, sizeof(s32p->busname));
1013 	memcpy(s32p->ifattr, p->ifattr, sizeof(s32p->ifattr));
1014 	s32p->numlocators = p->numlocators;
1015 	NETBSD32PTR32(s32p->locators, p->locators);
1016 }
1017 
1018 static inline void
1019 netbsd32_from_disk_strategy(
1020     const struct disk_strategy *p,
1021     struct netbsd32_disk_strategy *s32p,
1022     u_long cmd)
1023 {
1024 	memcpy(s32p->dks_name, p->dks_name, sizeof(p->dks_name));
1025 	NETBSD32PTR32(s32p->dks_param, p->dks_param);
1026 	s32p->dks_paramlen = p->dks_paramlen;
1027 }
1028 
1029 static inline void
1030 netbsd32_from_dkwedge_list(
1031     const struct dkwedge_list *p,
1032     struct netbsd32_dkwedge_list *s32p,
1033     u_long cmd)
1034 {
1035 	NETBSD32PTR32(s32p->dkwl_buf, p->dkwl_buf);
1036 	s32p->dkwl_bufsize = p->dkwl_bufsize;
1037 	s32p->dkwl_nwedges = p->dkwl_nwedges;
1038 	s32p->dkwl_ncopied = p->dkwl_ncopied;
1039 }
1040 
1041 #ifdef NTP
1042 static int
1043 netbsd32_do_clockctl_ntp_adjtime(struct clockctl_ntp_adjtime *args)
1044 {
1045 
1046 	struct netbsd32_timex ntv32;
1047 	struct timex ntv;
1048 	int error;
1049 
1050 	error = copyin(args->tp, &ntv32, sizeof(ntv32));
1051 	if (error)
1052 		return (error);
1053 
1054 	netbsd32_to_timex(&ntv32, &ntv);
1055 	ntp_adjtime1(&ntv);
1056 	netbsd32_from_timex(&ntv, &ntv32);
1057 
1058 	error = copyout(&ntv32, args->tp, sizeof(ntv));
1059 	if (error == 0)
1060 		args->retval = ntp_timestatus();
1061 
1062 	return error;
1063 }
1064 #endif
1065 
1066 /*
1067  * main ioctl syscall.
1068  *
1069  * ok, here we are in the biggy.  we have to do fix ups depending
1070  * on the ioctl command before and afterwards.
1071  */
1072 int
1073 netbsd32_ioctl(struct lwp *l, const struct netbsd32_ioctl_args *uap, register_t *retval)
1074 {
1075 	/* {
1076 		syscallarg(int) fd;
1077 		syscallarg(netbsd32_u_long) com;
1078 		syscallarg(netbsd32_voidp) data;
1079 	} */
1080 	struct proc *p = l->l_proc;
1081 	struct file *fp;
1082 	struct filedesc *fdp;
1083 	u_long com;
1084 	int error = 0;
1085 	size_t size;
1086 	size_t alloc_size32, size32;
1087 	void *data, *memp = NULL;
1088 	void *data32, *memp32 = NULL;
1089 	unsigned int fd;
1090 	fdfile_t *ff;
1091 	int tmp;
1092 #define STK_PARAMS	128
1093 	uint64_t stkbuf[STK_PARAMS/sizeof(uint64_t)];
1094 	uint64_t stkbuf32[STK_PARAMS/sizeof(uint64_t)];
1095 
1096 	/*
1097 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
1098 	 * some after (_IOR), and some both (_IOWR).
1099 	 */
1100 #if 0
1101 	{
1102 		const char * const dirs[8] = {
1103 		    "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
1104 		    "INOUT", "VOID|IN|OUT!"
1105 		};
1106 
1107 		printf("netbsd32_ioctl(%d, %x, %x): "
1108 		    "%s group %c base %d len %d\n",
1109 		    SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data).i32,
1110 		    dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
1111 		    IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
1112 		    IOCPARM_LEN(SCARG(uap, com)));
1113 	}
1114 #endif
1115 
1116 	memp = NULL;
1117 	memp32 = NULL;
1118 	alloc_size32 = 0;
1119 	size32 = 0;
1120 	size = 0;
1121 
1122 	fdp = p->p_fd;
1123 	fd = SCARG(uap, fd);
1124 	if ((fp = fd_getfile(fd)) == NULL)
1125 		return (EBADF);
1126 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
1127 		error = EBADF;
1128 		goto out;
1129 	}
1130 
1131 	ff = fdp->fd_dt->dt_ff[SCARG(uap, fd)];
1132 	switch (com = SCARG(uap, com)) {
1133 	case FIOCLEX:
1134 		ff->ff_exclose = true;
1135 		fdp->fd_exclose = true;
1136 		goto out;
1137 
1138 	case FIONCLEX:
1139 		ff->ff_exclose = false;
1140 		goto out;
1141 	}
1142 
1143 	/*
1144 	 * Interpret high order word to find amount of data to be
1145 	 * copied to/from the user's address space.
1146 	 */
1147 	size32 = IOCPARM_LEN(com);
1148 	alloc_size32 = size32;
1149 
1150 	/*
1151 	 * The disklabel is now padded to a multiple of 8 bytes however the old
1152 	 * disklabel on 32bit platforms wasn't.  This leaves a difference in
1153 	 * size of 4 bytes between the two but are otherwise identical.
1154 	 * To deal with this, we allocate enough space for the new disklabel
1155 	 * but only copyin/out the smaller amount.
1156 	 */
1157 	if (IOCGROUP(com) == 'd') {
1158 		u_long ncom = com ^ (DIOCGDINFO ^ DIOCGDINFO32);
1159 		switch (ncom) {
1160 		case DIOCGDINFO:
1161 		case DIOCWDINFO:
1162 		case DIOCSDINFO:
1163 		case DIOCGDEFLABEL:
1164 			com = ncom;
1165 			if (IOCPARM_LEN(DIOCGDINFO32) < IOCPARM_LEN(DIOCGDINFO))
1166 				alloc_size32 = IOCPARM_LEN(DIOCGDINFO);
1167 			break;
1168 		}
1169 	}
1170 	if (alloc_size32 > IOCPARM_MAX) {
1171 		error = ENOTTY;
1172 		goto out;
1173 	}
1174 	if (alloc_size32 > sizeof(stkbuf)) {
1175 		memp32 = kmem_alloc(alloc_size32, KM_SLEEP);
1176 		data32 = memp32;
1177 	} else
1178 		data32 = (void *)stkbuf32;
1179 	if ((com >> IOCPARM_SHIFT) == 0)  {
1180 		/* UNIX-style ioctl. */
1181 		data32 = SCARG_P32(uap, data);
1182 	} else {
1183 		if (com&IOC_IN) {
1184 			if (size32) {
1185 				error = copyin(SCARG_P32(uap, data), data32,
1186 				    size32);
1187 				if (error) {
1188 					goto out;
1189 				}
1190 				/*
1191 				 * The data between size and alloc_size has
1192 				 * not been overwritten.  It shouldn't matter
1193 				 * but let's clear that anyway.
1194 				 */
1195 				if (__predict_false(size32 < alloc_size32)) {
1196 					memset((char *)data32+size32, 0,
1197 					    alloc_size32 - size32);
1198 				}
1199 				ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data),
1200 				    size32, 0);
1201 			} else
1202 				*(void **)data32 = SCARG_P32(uap, data);
1203 		} else if ((com&IOC_OUT) && size32) {
1204 			/*
1205 			 * Zero the buffer so the user always
1206 			 * gets back something deterministic.
1207 			 */
1208 			memset(data32, 0, alloc_size32);
1209 		} else if (com&IOC_VOID) {
1210 			*(void **)data32 = SCARG_P32(uap, data);
1211 		}
1212 	}
1213 
1214 	/*
1215 	 * convert various structures, pointers, and other objects that
1216 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
1217 	 */
1218 	switch (SCARG(uap, com)) {
1219 	case FIONBIO:
1220 		mutex_enter(&fp->f_lock);
1221 		if ((tmp = *(int *)data32) != 0)
1222 			fp->f_flag |= FNONBLOCK;
1223 		else
1224 			fp->f_flag &= ~FNONBLOCK;
1225 		mutex_exit(&fp->f_lock);
1226 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp);
1227 		break;
1228 
1229 	case FIOASYNC:
1230 		mutex_enter(&fp->f_lock);
1231 		if ((tmp = *(int *)data32) != 0)
1232 			fp->f_flag |= FASYNC;
1233 		else
1234 			fp->f_flag &= ~FASYNC;
1235 		mutex_exit(&fp->f_lock);
1236 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp);
1237 		break;
1238 
1239 	case AUDIO_WSEEK32:
1240 		IOCTL_CONV_TO(AUDIO_WSEEK, u_long);
1241 
1242 #if 0	/* not implemented by anything */
1243 	case DIOCRFORMAT32:
1244 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
1245 	case DIOCWFORMAT32:
1246 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
1247 #endif
1248 
1249 	case ATAIOCCOMMAND32:
1250 		IOCTL_STRUCT_CONV_TO(ATAIOCCOMMAND, atareq);
1251 
1252 	case SIOCIFGCLONERS32:
1253 		{
1254 			struct netbsd32_if_clonereq *req =
1255 			    (struct netbsd32_if_clonereq *)data32;
1256 			char *buf = NETBSD32PTR64(req->ifcr_buffer);
1257 
1258 			error = if_clone_list(req->ifcr_count,
1259 			    buf, &req->ifcr_total);
1260 			break;
1261 		}
1262 
1263 /*
1264  * only a few ifreq syscalls need conversion and those are
1265  * all driver specific... XXX
1266  */
1267 #if 0
1268 	case SIOCGADDRROM3232:
1269 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
1270 	case SIOCGCHIPID32:
1271 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
1272 	case SIOCSIFADDR32:
1273 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
1274 	case OSIOCGIFADDR32:
1275 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
1276 	case SIOCGIFADDR32:
1277 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
1278 	case SIOCSIFDSTADDR32:
1279 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
1280 	case OSIOCGIFDSTADDR32:
1281 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
1282 	case SIOCGIFDSTADDR32:
1283 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
1284 	case OSIOCGIFBRDADDR32:
1285 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
1286 	case SIOCGIFBRDADDR32:
1287 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
1288 	case SIOCSIFBRDADDR32:
1289 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
1290 	case OSIOCGIFNETMASK32:
1291 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
1292 	case SIOCGIFNETMASK32:
1293 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
1294 	case SIOCSIFNETMASK32:
1295 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
1296 	case SIOCGIFMETRIC32:
1297 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
1298 	case SIOCSIFMETRIC32:
1299 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
1300 	case SIOCDIFADDR32:
1301 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
1302 	case SIOCADDMULTI32:
1303 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
1304 	case SIOCDELMULTI32:
1305 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
1306 	case SIOCSIFMEDIA32:
1307 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
1308 	case SIOCSIFMTU32:
1309 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
1310 	case SIOCGIFMTU32:
1311 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
1312 	case BIOCGETIF32:
1313 		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq);
1314 	case BIOCSETIF32:
1315 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
1316 	case SIOCPHASE132:
1317 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
1318 	case SIOCPHASE232:
1319 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
1320 #endif
1321 
1322 	case OOSIOCGIFCONF32:
1323 		IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf);
1324 	case OSIOCGIFCONF32:
1325 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
1326 	case SIOCGIFCONF32:
1327 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
1328 
1329 	case SIOCGIFFLAGS32:
1330 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
1331 	case SIOCSIFFLAGS32:
1332 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
1333 
1334 	case SIOCGIFADDRPREF32:
1335 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDRPREF, if_addrprefreq);
1336 	case SIOCSIFADDRPREF32:
1337 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDRPREF, if_addrprefreq);
1338 
1339 
1340 	case OSIOCGIFFLAGS32:
1341 		IOCTL_STRUCT_CONV_TO(OSIOCGIFFLAGS, oifreq);
1342 	case OSIOCSIFFLAGS32:
1343 		IOCTL_STRUCT_CONV_TO(OSIOCSIFFLAGS, oifreq);
1344 
1345 	case SIOCGIFMEDIA32:
1346 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
1347 
1348 	case SIOCGIFGENERIC32:
1349 		IOCTL_STRUCT_CONV_TO(SIOCGIFGENERIC, ifreq);
1350 	case SIOCSIFGENERIC32:
1351 		IOCTL_STRUCT_CONV_TO(SIOCSIFGENERIC, ifreq);
1352 
1353 	case PPPOESETPARMS32:
1354 		IOCTL_STRUCT_CONV_TO(PPPOESETPARMS, pppoediscparms);
1355 	case PPPOEGETPARMS32:
1356 		IOCTL_STRUCT_CONV_TO(PPPOEGETPARMS, pppoediscparms);
1357 	case SPPPGETAUTHCFG32:
1358 		IOCTL_STRUCT_CONV_TO(SPPPGETAUTHCFG, spppauthcfg);
1359 	case SPPPSETAUTHCFG32:
1360 		IOCTL_STRUCT_CONV_TO(SPPPSETAUTHCFG, spppauthcfg);
1361 
1362 	case SIOCSDRVSPEC32:
1363 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
1364 	case SIOCGDRVSPEC32:
1365 		IOCTL_STRUCT_CONV_TO(SIOCGDRVSPEC, ifdrv);
1366 
1367 	case SIOCGETVIFCNT32:
1368 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
1369 
1370 	case SIOCGETSGCNT32:
1371 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
1372 
1373 	case VNDIOCSET32:
1374 		IOCTL_STRUCT_CONV_TO(VNDIOCSET, vnd_ioctl);
1375 
1376 	case VNDIOCCLR32:
1377 		IOCTL_STRUCT_CONV_TO(VNDIOCCLR, vnd_ioctl);
1378 
1379 	case VNDIOCGET32:
1380 		IOCTL_STRUCT_CONV_TO(VNDIOCGET, vnd_user);
1381 
1382 	case VNDIOCSET5032:
1383 		IOCTL_STRUCT_CONV_TO(VNDIOCSET50, vnd_ioctl50);
1384 
1385 	case VNDIOCCLR5032:
1386 		IOCTL_STRUCT_CONV_TO(VNDIOCCLR50, vnd_ioctl50);
1387 
1388 	case ENVSYS_GETDICTIONARY32:
1389 		IOCTL_STRUCT_CONV_TO(ENVSYS_GETDICTIONARY, plistref);
1390 	case ENVSYS_SETDICTIONARY32:
1391 		IOCTL_STRUCT_CONV_TO(ENVSYS_SETDICTIONARY, plistref);
1392 	case ENVSYS_REMOVEPROPS32:
1393 		IOCTL_STRUCT_CONV_TO(ENVSYS_REMOVEPROPS, plistref);
1394 
1395 	case WDOGIOC_GWDOGS32:
1396 		IOCTL_STRUCT_CONV_TO(WDOGIOC_GWDOGS, wdog_conf);
1397 
1398 	case BIOCSETF32:
1399 		IOCTL_STRUCT_CONV_TO(BIOCSETF, bpf_program);
1400 	case BIOCSTCPF32:
1401 		IOCTL_STRUCT_CONV_TO(BIOCSTCPF, bpf_program);
1402 	case BIOCSUDPF32:
1403 		IOCTL_STRUCT_CONV_TO(BIOCSUDPF, bpf_program);
1404 	case BIOCGDLTLIST32:
1405 		IOCTL_STRUCT_CONV_TO(BIOCGDLTLIST, bpf_dltlist);
1406 	case BIOCSRTIMEOUT32:
1407 #define netbsd32_to_timeval(s32p, p, cmd) netbsd32_to_timeval(s32p, p)
1408 #define netbsd32_from_timeval(p, s32p, cmd) netbsd32_from_timeval(p, s32p)
1409 		IOCTL_STRUCT_CONV_TO(BIOCSRTIMEOUT, timeval);
1410 #undef netbsd32_to_timeval
1411 #undef netbsd32_from_timeval
1412 
1413 	case WSDISPLAYIO_ADDSCREEN32:
1414 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_ADDSCREEN, wsdisplay_addscreendata);
1415 
1416 	case WSDISPLAYIO_GCURSOR32:
1417 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GCURSOR, wsdisplay_cursor);
1418 	case WSDISPLAYIO_SCURSOR32:
1419 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SCURSOR, wsdisplay_cursor);
1420 
1421 	case WSDISPLAYIO_GETCMAP32:
1422 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GETCMAP, wsdisplay_cmap);
1423 	case WSDISPLAYIO_PUTCMAP32:
1424 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_PUTCMAP, wsdisplay_cmap);
1425 
1426 	case WSDISPLAYIO_LDFONT32:
1427 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_LDFONT, wsdisplay_font);
1428 	case WSDISPLAYIO_SFONT32:
1429 		IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SFONT, wsdisplay_usefontdata);
1430 
1431 	case SIOCS8021132:
1432 		IOCTL_STRUCT_CONV_TO(SIOCS80211, ieee80211req);
1433 	case SIOCG8021132:
1434 		IOCTL_STRUCT_CONV_TO(SIOCG80211, ieee80211req);
1435 	case SIOCS80211NWKEY32:
1436 		IOCTL_STRUCT_CONV_TO(SIOCS80211NWKEY, ieee80211_nwkey);
1437 	case SIOCG80211NWKEY32:
1438 		IOCTL_STRUCT_CONV_TO(SIOCG80211NWKEY, ieee80211_nwkey);
1439 
1440 	case POWER_EVENT_RECVDICT32:
1441 		IOCTL_STRUCT_CONV_TO(POWER_EVENT_RECVDICT, plistref);
1442 
1443 	case CLOCKCTL_SETTIMEOFDAY32:
1444 		IOCTL_STRUCT_CONV_TO(CLOCKCTL_SETTIMEOFDAY,
1445 		    clockctl_settimeofday);
1446 	case CLOCKCTL_ADJTIME32:
1447 		IOCTL_STRUCT_CONV_TO(CLOCKCTL_ADJTIME, clockctl_adjtime);
1448 	case CLOCKCTL_CLOCK_SETTIME32:
1449 		IOCTL_STRUCT_CONV_TO(CLOCKCTL_CLOCK_SETTIME,
1450 		    clockctl_clock_settime);
1451 	case CLOCKCTL_NTP_ADJTIME32:
1452 #ifdef NTP
1453 		{
1454 			size = IOCPARM_LEN(CLOCKCTL_NTP_ADJTIME);
1455 			if (size > sizeof(stkbuf))
1456 				data = memp = kmem_alloc(size, KM_SLEEP);
1457 			else
1458 				data = (void *)stkbuf;
1459 
1460 			netbsd32_to_clockctl_ntp_adjtime(
1461 				(const struct netbsd32_clockctl_ntp_adjtime *)data32,
1462 				(struct clockctl_ntp_adjtime *)data,
1463 				CLOCKCTL_NTP_ADJTIME);
1464 			error = netbsd32_do_clockctl_ntp_adjtime(
1465 				(struct clockctl_ntp_adjtime *)data);
1466 			netbsd32_from_clockctl_ntp_adjtime(
1467 				(const struct clockctl_ntp_adjtime *)data,
1468 				(struct netbsd32_clockctl_ntp_adjtime *)data32,
1469 				CLOCKCTL_NTP_ADJTIME);
1470 
1471 			break;
1472 		}
1473 #else
1474 		error = ENOTTY;
1475 		break;
1476 #endif /* NTP */
1477 
1478 	case KIOCGSYMBOL32:
1479 		IOCTL_STRUCT_CONV_TO(KIOCGSYMBOL, ksyms_gsymbol);
1480 	case KIOCGVALUE32:
1481 		IOCTL_STRUCT_CONV_TO(KIOCGVALUE, ksyms_gvalue);
1482 
1483         case IOC_NPF_LOAD32:
1484                 IOCTL_CONV_TO(IOC_NPF_LOAD, nvlist_ref_t);
1485         case IOC_NPF_TABLE32:
1486                 IOCTL_STRUCT_CONV_TO(IOC_NPF_TABLE, npf_ioctl_table);
1487         case IOC_NPF_STATS32:
1488                 IOCTL_CONV_TO(IOC_NPF_STATS, voidp);
1489         case IOC_NPF_SAVE32:
1490                 IOCTL_CONV_TO(IOC_NPF_SAVE, nvlist_ref_t);
1491         case IOC_NPF_RULE32:
1492                 IOCTL_CONV_TO(IOC_NPF_RULE, nvlist_ref_t);
1493         case IOC_NPF_CONN_LOOKUP32:
1494                 IOCTL_CONV_TO(IOC_NPF_CONN_LOOKUP, nvlist_ref_t);
1495 
1496 	case DRVRESCANBUS32:
1497 		IOCTL_STRUCT_CONV_TO(DRVRESCANBUS, devrescanargs);
1498 	case DRVLISTDEV32:
1499 		IOCTL_STRUCT_CONV_TO(DRVLISTDEV, devlistargs);
1500 	case DRVCTLCOMMAND32:
1501 		IOCTL_STRUCT_CONV_TO(DRVCTLCOMMAND, plistref);
1502 	case DRVGETEVENT32:
1503 		IOCTL_STRUCT_CONV_TO(DRVGETEVENT, plistref);
1504 
1505 	case DIOCGSTRATEGY32:
1506 		IOCTL_STRUCT_CONV_TO(DIOCGSTRATEGY, disk_strategy);
1507 	case DIOCSSTRATEGY32:
1508 		IOCTL_STRUCT_CONV_TO(DIOCSSTRATEGY, disk_strategy);
1509 	case DIOCLWEDGES32:
1510 		IOCTL_STRUCT_CONV_TO(DIOCLWEDGES, dkwedge_list);
1511 
1512 	default:
1513 #ifdef NETBSD32_MD_IOCTL
1514 		error = netbsd32_md_ioctl(fp, com, data32, l);
1515 #else
1516 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32);
1517 #endif
1518 		break;
1519 	}
1520 
1521 	if (error == EPASSTHROUGH)
1522 		error = ENOTTY;
1523 
1524 	/*
1525 	 * Copy any data to user, size was
1526 	 * already set and checked above.
1527 	 */
1528 	if (error == 0 && (com&IOC_OUT) && size32) {
1529 		error = copyout(data32, SCARG_P32(uap, data), size32);
1530 		ktrgenio(fd, UIO_READ, SCARG_P32(uap, data),
1531 		    size32, error);
1532 	}
1533 
1534  out:
1535 	/* If we allocated data, free it here. */
1536 	if (memp32)
1537 		kmem_free(memp32, alloc_size32);
1538 	if (memp)
1539 		kmem_free(memp, size);
1540 	fd_putfile(fd);
1541 	return (error);
1542 }
1543