netbsd32_ioctl.c revision 1.64.2.1 1 /* $NetBSD: netbsd32_ioctl.c,v 1.64.2.1 2012/05/23 10:07:54 yamt 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 1.64.2.1 2012/05/23 10:07:54 yamt Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/filedesc.h>
39 #include <sys/ioctl.h>
40 #include <sys/file.h>
41 #include <sys/proc.h>
42 #include <sys/socketvar.h>
43 #include <sys/audioio.h>
44 #include <sys/disklabel.h>
45 #include <sys/dkio.h>
46 #include <sys/sockio.h>
47 #include <sys/socket.h>
48 #include <sys/ttycom.h>
49 #include <sys/mount.h>
50 #include <sys/syscallargs.h>
51 #include <sys/ktrace.h>
52 #include <sys/kmem.h>
53 #include <sys/envsys.h>
54 #include <sys/wdog.h>
55 #include <sys/clockctl.h>
56
57 #ifdef __sparc__
58 #include <dev/sun/fbio.h>
59 #include <machine/openpromio.h>
60 #endif
61
62 #include <net/if.h>
63 #include <net/route.h>
64
65 #include <net/bpf.h>
66 #include <netinet/in.h>
67 #include <netinet/in_var.h>
68 #include <netinet/igmp.h>
69 #include <netinet/igmp_var.h>
70 #include <netinet/ip_mroute.h>
71
72 #include <compat/sys/sockio.h>
73
74 #include <compat/netbsd32/netbsd32.h>
75 #include <compat/netbsd32/netbsd32_ioctl.h>
76 #include <compat/netbsd32/netbsd32_syscallargs.h>
77
78 #include <dev/vndvar.h>
79
80 /* convert to/from different structures */
81
82 static inline void
83 netbsd32_to_partinfo(struct netbsd32_partinfo *s32p, struct partinfo *p, u_long cmd)
84 {
85
86 p->disklab = (struct disklabel *)NETBSD32PTR64(s32p->disklab);
87 p->part = (struct partition *)NETBSD32PTR64(s32p->part);
88 }
89
90 #if 0
91 static inline void
92 netbsd32_to_format_op(struct netbsd32_format_op *s32p, struct format_op *p, u_long cmd)
93 {
94
95 p->df_buf = (char *)NETBSD32PTR64(s32p->df_buf);
96 p->df_count = s32p->df_count;
97 p->df_startblk = s32p->df_startblk;
98 memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
99 }
100 #endif
101
102 static inline void
103 netbsd32_to_ifreq(struct netbsd32_ifreq *s32p, struct ifreq *p, u_long cmd)
104 {
105
106 memcpy(p, s32p, sizeof *s32p);
107 /*
108 * XXX
109 * struct ifreq says the same, but sometimes the ifr_data
110 * union member needs to be converted to 64 bits... this
111 * is very driver specific and so we ignore it for now..
112 */
113 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
114 p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
115 }
116
117 static inline void
118 netbsd32_to_oifreq(struct netbsd32_oifreq *s32p, struct oifreq *p, u_long cmd)
119 {
120
121 memcpy(p, s32p, sizeof *s32p);
122 /*
123 * XXX
124 * struct ifreq says the same, but sometimes the ifr_data
125 * union member needs to be converted to 64 bits... this
126 * is very driver specific and so we ignore it for now..
127 */
128 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
129 p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
130 }
131
132 static inline void
133 netbsd32_to_if_addrprefreq(const struct netbsd32_if_addrprefreq *ifap32,
134 struct if_addrprefreq *ifap, u_long cmd)
135 {
136 strlcpy(ifap->ifap_name, ifap32->ifap_name, sizeof(ifap->ifap_name));
137 ifap->ifap_preference = ifap32->ifap_preference;
138 memcpy(&ifap->ifap_addr, &ifap32->ifap_addr,
139 max(ifap32->ifap_addr.ss_len, _SS_MAXSIZE));
140 }
141
142 static inline void
143 netbsd32_to_ifconf(struct netbsd32_ifconf *s32p, struct ifconf *p, u_long cmd)
144 {
145
146 p->ifc_len = s32p->ifc_len;
147 /* ifc_buf & ifc_req are the same size so this works */
148 p->ifc_buf = (void *)NETBSD32PTR64(s32p->ifc_buf);
149 }
150
151 static inline void
152 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *s32p, struct ifmediareq *p, u_long cmd)
153 {
154
155 memcpy(p, s32p, sizeof *s32p);
156 p->ifm_ulist = (int *)NETBSD32PTR64(s32p->ifm_ulist);
157 }
158
159 static inline void
160 netbsd32_to_ifdrv(struct netbsd32_ifdrv *s32p, struct ifdrv *p, u_long cmd)
161 {
162
163 memcpy(p, s32p, sizeof *s32p);
164 p->ifd_data = (void *)NETBSD32PTR64(s32p->ifd_data);
165 }
166
167 static inline void
168 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *s32p, struct sioc_vif_req *p, u_long cmd)
169 {
170
171 p->vifi = s32p->vifi;
172 p->icount = (u_long)s32p->icount;
173 p->ocount = (u_long)s32p->ocount;
174 p->ibytes = (u_long)s32p->ibytes;
175 p->obytes = (u_long)s32p->obytes;
176 }
177
178 static inline void
179 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *s32p, struct sioc_sg_req *p, u_long cmd)
180 {
181
182 p->src = s32p->src;
183 p->grp = s32p->grp;
184 p->pktcnt = (u_long)s32p->pktcnt;
185 p->bytecnt = (u_long)s32p->bytecnt;
186 p->wrong_if = (u_long)s32p->wrong_if;
187 }
188
189 static inline void
190 netbsd32_to_vnd_ioctl(struct netbsd32_vnd_ioctl *s32p, struct vnd_ioctl *p, u_long cmd)
191 {
192
193 p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
194 p->vnd_flags = s32p->vnd_flags;
195 p->vnd_geom = s32p->vnd_geom;
196 p->vnd_osize = s32p->vnd_osize;
197 p->vnd_size = s32p->vnd_size;
198 }
199
200 static inline void
201 netbsd32_to_vnd_user(struct netbsd32_vnd_user *s32p, struct vnd_user *p, u_long cmd)
202 {
203
204 p->vnu_unit = s32p->vnu_unit;
205 p->vnu_dev = s32p->vnu_dev;
206 p->vnu_ino = s32p->vnu_ino;
207 }
208
209 static inline void
210 netbsd32_to_vnd_ioctl50(struct netbsd32_vnd_ioctl50 *s32p, struct vnd_ioctl50 *p, u_long cmd)
211 {
212
213 p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
214 p->vnd_flags = s32p->vnd_flags;
215 p->vnd_geom = s32p->vnd_geom;
216 p->vnd_size = s32p->vnd_size;
217 }
218
219 static inline void
220 netbsd32_to_plistref(struct netbsd32_plistref *s32p, struct plistref *p, u_long cmd)
221 {
222
223 p->pref_plist = NETBSD32PTR64(s32p->pref_plist);
224 p->pref_len = s32p->pref_len;
225 }
226
227 static inline void
228 netbsd32_to_u_long(netbsd32_u_long *s32p, u_long *p, u_long cmd)
229 {
230
231 *p = (u_long)*s32p;
232 }
233
234 static inline void
235 netbsd32_to_wdog_conf(struct netbsd32_wdog_conf *s32p, struct wdog_conf *p, u_long cmd)
236 {
237
238 p->wc_names = (char *)NETBSD32PTR64(s32p->wc_names);
239 p->wc_count = s32p->wc_count;
240 }
241
242 static inline void
243 netbsd32_to_bpf_program(struct netbsd32_bpf_program *s32p, struct bpf_program *p, u_long cmd)
244 {
245
246 p->bf_insns = (void *)NETBSD32PTR64(s32p->bf_insns);
247 p->bf_len = s32p->bf_len;
248 }
249
250 static inline void
251 netbsd32_to_bpf_dltlist(struct netbsd32_bpf_dltlist *s32p, struct bpf_dltlist *p, u_long cmd)
252 {
253
254 p->bfl_list = (void *)NETBSD32PTR64(s32p->bfl_list);
255 p->bfl_len = s32p->bfl_len;
256 }
257
258 /* wsdisplay stuff */
259 static inline void
260 netbsd32_to_wsdisplay_addscreendata(struct netbsd32_wsdisplay_addscreendata *asd32,
261 struct wsdisplay_addscreendata *asd,
262 u_long cmd)
263 {
264 asd->screentype = (char *)NETBSD32PTR64(asd32->screentype);
265 asd->emul = (char *)NETBSD32PTR64(asd32->emul);
266 asd->idx = asd32->idx;
267 }
268
269 static inline void
270 netbsd32_to_ieee80211_nwkey(struct netbsd32_ieee80211_nwkey *nwk32,
271 struct ieee80211_nwkey *nwk,
272 u_long cmd)
273 {
274 int i;
275
276 strncpy(nwk->i_name, nwk32->i_name, IFNAMSIZ);
277 nwk->i_wepon = nwk32->i_wepon;
278 nwk->i_defkid = nwk32->i_defkid;
279 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
280 nwk->i_key[i].i_keylen = nwk32->i_key[i].i_keylen;
281 nwk->i_key[i].i_keydat =
282 NETBSD32PTR64(nwk32->i_key[i].i_keydat);
283 }
284 }
285
286 static inline void
287 netbsd32_to_wsdisplay_cursor(struct netbsd32_wsdisplay_cursor *c32,
288 struct wsdisplay_cursor *c,
289 u_long cmd)
290 {
291 c->which = c32->which;
292 c->enable = c32->enable;
293 c->pos.x = c32->pos.x;
294 c->pos.y = c32->pos.y;
295 c->hot.x = c32->hot.x;
296 c->hot.y = c32->hot.y;
297 c->size.x = c32->size.x;
298 c->size.y = c32->size.y;
299 c->cmap.index = c32->cmap.index;
300 c->cmap.count = c32->cmap.count;
301 c->cmap.red = NETBSD32PTR64(c32->cmap.red);
302 c->cmap.green = NETBSD32PTR64(c32->cmap.green);
303 c->cmap.blue = NETBSD32PTR64(c32->cmap.blue);
304 c->image = NETBSD32PTR64(c32->image);
305 c->mask = NETBSD32PTR64(c32->mask);
306 }
307
308 static inline void
309 netbsd32_to_clockctl_settimeofday(
310 const struct netbsd32_clockctl_settimeofday *s32p,
311 struct clockctl_settimeofday *p,
312 u_long cmd)
313 {
314
315 p->tv = NETBSD32PTR64(s32p->tv);
316 p->tzp = NETBSD32PTR64(s32p->tzp);
317 }
318
319 static inline void
320 netbsd32_to_clockctl_adjtime(
321 const struct netbsd32_clockctl_adjtime *s32p,
322 struct clockctl_adjtime *p,
323 u_long cmd)
324 {
325
326 p->delta = NETBSD32PTR64(s32p->delta);
327 p->olddelta = NETBSD32PTR64(s32p->olddelta);
328 }
329
330 static inline void
331 netbsd32_to_clockctl_clock_settime(
332 const struct netbsd32_clockctl_clock_settime *s32p,
333 struct clockctl_clock_settime *p,
334 u_long cmd)
335 {
336
337 p->clock_id = s32p->clock_id;
338 p->tp = NETBSD32PTR64(s32p->tp);
339 }
340
341 static inline void
342 netbsd32_to_clockctl_ntp_adjtime(
343 const struct netbsd32_clockctl_ntp_adjtime *s32p,
344 struct clockctl_ntp_adjtime *p,
345 u_long cmd)
346 {
347
348 p->tp = NETBSD32PTR64(s32p->tp);
349 p->retval = s32p->retval;
350 }
351
352 /*
353 * handle ioctl conversions from 64-bit kernel -> netbsd32
354 */
355
356 static inline void
357 netbsd32_from_partinfo(struct partinfo *p, struct netbsd32_partinfo *s32p, u_long cmd)
358 {
359
360 NETBSD32PTR32(s32p->disklab, p->disklab);
361 NETBSD32PTR32(s32p->part, p->part);
362 }
363
364 #if 0
365 static inline void
366 netbsd32_from_format_op(struct format_op *p, struct netbsd32_format_op *s32p, u_long cmd)
367 {
368
369 /* filled in */
370 #if 0
371 s32p->df_buf = (netbsd32_charp)p->df_buf;
372 #endif
373 s32p->df_count = p->df_count;
374 s32p->df_startblk = p->df_startblk;
375 memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
376 }
377 #endif
378
379 static inline void
380 netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd)
381 {
382
383 /*
384 * XXX
385 * struct ifreq says the same, but sometimes the ifr_data
386 * union member needs to be converted to 64 bits... this
387 * is very driver specific and so we ignore it for now..
388 */
389 memcpy(s32p, p, sizeof *s32p);
390 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
391 NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
392 }
393
394 static inline void
395 netbsd32_from_oifreq(struct oifreq *p, struct netbsd32_oifreq *s32p, u_long cmd)
396 {
397
398 /*
399 * XXX
400 * struct ifreq says the same, but sometimes the ifr_data
401 * union member needs to be converted to 64 bits... this
402 * is very driver specific and so we ignore it for now..
403 */
404 memcpy(s32p, p, sizeof *s32p);
405 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
406 NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
407 }
408
409 static inline void
410 netbsd32_from_if_addrprefreq(const struct if_addrprefreq *ifap,
411 struct netbsd32_if_addrprefreq *ifap32, u_long cmd)
412 {
413 strlcpy(ifap32->ifap_name, ifap->ifap_name, sizeof(ifap32->ifap_name));
414 ifap32->ifap_preference = ifap->ifap_preference;
415 memcpy(&ifap32->ifap_addr, &ifap->ifap_addr,
416 max(ifap->ifap_addr.ss_len, _SS_MAXSIZE));
417 }
418
419 static inline void
420 netbsd32_from_ifconf(struct ifconf *p, struct netbsd32_ifconf *s32p, u_long cmd)
421 {
422
423 s32p->ifc_len = p->ifc_len;
424 /* ifc_buf & ifc_req are the same size so this works */
425 NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf);
426 }
427
428 static inline void
429 netbsd32_from_ifmediareq(struct ifmediareq *p, struct netbsd32_ifmediareq *s32p, u_long cmd)
430 {
431
432 memcpy(s32p, p, sizeof *p);
433 /* filled in? */
434 #if 0
435 s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
436 #endif
437 }
438
439 static inline void
440 netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd)
441 {
442
443 memcpy(s32p, p, sizeof *p);
444 /* filled in? */
445 #if 0
446 s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
447 #endif
448 }
449
450 static inline void
451 netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, struct netbsd32_sioc_vif_req *s32p, u_long cmd)
452 {
453
454 s32p->vifi = p->vifi;
455 s32p->icount = (netbsd32_u_long)p->icount;
456 s32p->ocount = (netbsd32_u_long)p->ocount;
457 s32p->ibytes = (netbsd32_u_long)p->ibytes;
458 s32p->obytes = (netbsd32_u_long)p->obytes;
459 }
460
461 static inline void
462 netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, struct netbsd32_sioc_sg_req *s32p, u_long cmd)
463 {
464
465 s32p->src = p->src;
466 s32p->grp = p->grp;
467 s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
468 s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
469 s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
470 }
471
472 static inline void
473 netbsd32_from_vnd_ioctl(struct vnd_ioctl *p, struct netbsd32_vnd_ioctl *s32p, u_long cmd)
474 {
475
476 s32p->vnd_flags = p->vnd_flags;
477 s32p->vnd_geom = p->vnd_geom;
478 s32p->vnd_osize = p->vnd_osize;
479 s32p->vnd_size = p->vnd_size;
480 }
481
482 static inline void
483 netbsd32_from_vnd_user(struct vnd_user *p, struct netbsd32_vnd_user *s32p, u_long cmd)
484 {
485
486 s32p->vnu_unit = p->vnu_unit;
487 s32p->vnu_dev = p->vnu_dev;
488 s32p->vnu_ino = p->vnu_ino;
489 }
490
491 static inline void
492 netbsd32_from_vnd_ioctl50(struct vnd_ioctl50 *p, struct netbsd32_vnd_ioctl50 *s32p, u_long cmd)
493 {
494
495 s32p->vnd_flags = p->vnd_flags;
496 s32p->vnd_geom = p->vnd_geom;
497 s32p->vnd_size = p->vnd_size;
498 }
499
500 static inline void
501 netbsd32_from_plistref(struct plistref *p, struct netbsd32_plistref *s32p, u_long cmd)
502 {
503
504 NETBSD32PTR32(s32p->pref_plist, p->pref_plist);
505 s32p->pref_len = p->pref_len;
506 }
507
508 static inline void
509 netbsd32_from_wdog_conf(struct wdog_conf *p, struct netbsd32_wdog_conf *s32p, u_long cmd)
510 {
511
512 NETBSD32PTR32(s32p->wc_names, p->wc_names);
513 s32p->wc_count = p->wc_count;
514 }
515
516 /* wsdisplay stuff */
517 static inline void
518 netbsd32_from_wsdisplay_addscreendata(struct wsdisplay_addscreendata *asd,
519 struct netbsd32_wsdisplay_addscreendata *asd32,
520 u_long cmd)
521 {
522 NETBSD32PTR32(asd32->screentype, asd->screentype);
523 NETBSD32PTR32(asd32->emul, asd->emul);
524 asd32->idx = asd->idx;
525 }
526
527 static inline void
528 netbsd32_from_wsdisplay_cursor(struct wsdisplay_cursor *c,
529 struct netbsd32_wsdisplay_cursor *c32,
530 u_long cmd)
531 {
532 c32->which = c->which;
533 c32->enable = c->enable;
534 c32->pos.x = c->pos.x;
535 c32->pos.y = c->pos.y;
536 c32->hot.x = c->hot.x;
537 c32->hot.y = c->hot.y;
538 c32->size.x = c->size.x;
539 c32->size.y = c->size.y;
540 c32->cmap.index = c->cmap.index;
541 c32->cmap.count = c->cmap.count;
542 NETBSD32PTR32(c32->cmap.red, c->cmap.red);
543 NETBSD32PTR32(c32->cmap.green, c->cmap.green);
544 NETBSD32PTR32(c32->cmap.blue, c->cmap.blue);
545 NETBSD32PTR32(c32->image, c->image);
546 NETBSD32PTR32(c32->mask, c->mask);
547 }
548
549 static inline void
550 netbsd32_from_ieee80211_nwkey(struct ieee80211_nwkey *nwk,
551 struct netbsd32_ieee80211_nwkey *nwk32,
552 u_long cmd)
553 {
554 int i;
555
556 strncpy(nwk32->i_name, nwk->i_name, IFNAMSIZ);
557 nwk32->i_wepon = nwk->i_wepon;
558 nwk32->i_defkid = nwk->i_defkid;
559 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
560 nwk32->i_key[i].i_keylen = nwk->i_key[i].i_keylen;
561 NETBSD32PTR32(nwk32->i_key[i].i_keydat,
562 nwk->i_key[i].i_keydat);
563 }
564 }
565
566 static inline void
567 netbsd32_from_bpf_program(struct bpf_program *p, struct netbsd32_bpf_program *s32p, u_long cmd)
568 {
569
570 NETBSD32PTR32(s32p->bf_insns, p->bf_insns);
571 s32p->bf_len = p->bf_len;
572 }
573
574 static inline void
575 netbsd32_from_bpf_dltlist(struct bpf_dltlist *p, struct netbsd32_bpf_dltlist *s32p, u_long cmd)
576 {
577
578 NETBSD32PTR32(s32p->bfl_list, p->bfl_list);
579 s32p->bfl_len = p->bfl_len;
580 }
581
582 static inline void
583 netbsd32_from_u_long(u_long *p, netbsd32_u_long *s32p, u_long cmd)
584 {
585
586 *s32p = (netbsd32_u_long)*p;
587 }
588
589 static inline void
590 netbsd32_from_clockctl_settimeofday(
591 const struct clockctl_settimeofday *p,
592 struct netbsd32_clockctl_settimeofday *s32p,
593 u_long cmd)
594 {
595
596 NETBSD32PTR32(s32p->tv, p->tv);
597 NETBSD32PTR32(s32p->tzp, p->tzp);
598 }
599
600 static inline void
601 netbsd32_from_clockctl_adjtime(
602 const struct clockctl_adjtime *p,
603 struct netbsd32_clockctl_adjtime *s32p,
604 u_long cmd)
605 {
606
607 NETBSD32PTR32(s32p->delta, p->delta);
608 NETBSD32PTR32(s32p->olddelta, p->olddelta);
609 }
610
611 static inline void
612 netbsd32_from_clockctl_clock_settime(
613 const struct clockctl_clock_settime *p,
614 struct netbsd32_clockctl_clock_settime *s32p,
615 u_long cmd)
616 {
617
618 s32p->clock_id = p->clock_id;
619 NETBSD32PTR32(s32p->tp, p->tp);
620 }
621
622 static inline void
623 netbsd32_from_clockctl_ntp_adjtime(
624 const struct clockctl_ntp_adjtime *p,
625 struct netbsd32_clockctl_ntp_adjtime *s32p,
626 u_long cmd)
627 {
628
629 NETBSD32PTR32(s32p->tp, p->tp);
630 s32p->retval = p->retval;
631 }
632
633 /*
634 * main ioctl syscall.
635 *
636 * ok, here we are in the biggy. we have to do fix ups depending
637 * on the ioctl command before and afterwards.
638 */
639 int
640 netbsd32_ioctl(struct lwp *l, const struct netbsd32_ioctl_args *uap, register_t *retval)
641 {
642 /* {
643 syscallarg(int) fd;
644 syscallarg(netbsd32_u_long) com;
645 syscallarg(netbsd32_voidp) data;
646 } */
647 struct proc *p = l->l_proc;
648 struct file *fp;
649 struct filedesc *fdp;
650 u_long com;
651 int error = 0;
652 size_t size;
653 size_t alloc_size32, size32;
654 void *data, *memp = NULL;
655 void *data32, *memp32 = NULL;
656 unsigned int fd;
657 fdfile_t *ff;
658 int tmp;
659 #define STK_PARAMS 128
660 u_long stkbuf[STK_PARAMS/sizeof(u_long)];
661 u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
662
663 /*
664 * we need to translate some commands (_IOW) before calling sys_ioctl,
665 * some after (_IOR), and some both (_IOWR).
666 */
667 #if 0
668 {
669 const char * const dirs[8] = {
670 "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
671 "INOUT", "VOID|IN|OUT!"
672 };
673
674 printf("netbsd32_ioctl(%d, %x, %x): "
675 "%s group %c base %d len %d\n",
676 SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data).i32,
677 dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
678 IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
679 IOCPARM_LEN(SCARG(uap, com)));
680 }
681 #endif
682
683 memp = NULL;
684 memp32 = NULL;
685 alloc_size32 = 0;
686 size32 = 0;
687 size = 0;
688
689 fdp = p->p_fd;
690 fd = SCARG(uap, fd);
691 if ((fp = fd_getfile(fd)) == NULL)
692 return (EBADF);
693 if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
694 error = EBADF;
695 goto out;
696 }
697
698 ff = fdp->fd_dt->dt_ff[SCARG(uap, fd)];
699 switch (com = SCARG(uap, com)) {
700 case FIOCLEX:
701 ff->ff_exclose = true;
702 fdp->fd_exclose = true;
703 goto out;
704
705 case FIONCLEX:
706 ff->ff_exclose = false;
707 goto out;
708 }
709
710 /*
711 * Interpret high order word to find amount of data to be
712 * copied to/from the user's address space.
713 */
714 size32 = IOCPARM_LEN(com);
715 alloc_size32 = size32;
716
717 /*
718 * The disklabel is now padded to a multiple of 8 bytes however the old
719 * disklabel on 32bit platforms wasn't. This leaves a difference in
720 * size of 4 bytes between the two but are otherwise identical.
721 * To deal with this, we allocate enough space for the new disklabel
722 * but only copyin/out the smaller amount.
723 */
724 if (IOCGROUP(com) == 'd') {
725 u_long ncom = com ^ (DIOCGDINFO ^ DIOCGDINFO32);
726 switch (ncom) {
727 case DIOCGDINFO:
728 case DIOCWDINFO:
729 case DIOCSDINFO:
730 case DIOCGDEFLABEL:
731 com = ncom;
732 if (IOCPARM_LEN(DIOCGDINFO32) < IOCPARM_LEN(DIOCGDINFO))
733 alloc_size32 = IOCPARM_LEN(DIOCGDINFO);
734 break;
735 }
736 }
737 if (alloc_size32 > IOCPARM_MAX) {
738 error = ENOTTY;
739 goto out;
740 }
741 if (alloc_size32 > sizeof(stkbuf)) {
742 memp32 = kmem_alloc(alloc_size32, KM_SLEEP);
743 data32 = memp32;
744 } else
745 data32 = (void *)stkbuf32;
746 if ((com >> IOCPARM_SHIFT) == 0) {
747 /* UNIX-style ioctl. */
748 data32 = SCARG_P32(uap, data);
749 } else {
750 if (com&IOC_IN) {
751 if (size32) {
752 error = copyin(SCARG_P32(uap, data), data32,
753 size32);
754 if (error) {
755 goto out;
756 }
757 /*
758 * The data between size and alloc_size has
759 * not been overwritten. It shouldn't matter
760 * but let's clear that anyway.
761 */
762 if (__predict_false(size32 < alloc_size32)) {
763 memset((char *)data32+size32, 0,
764 alloc_size32 - size32);
765 }
766 ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data),
767 size32, 0);
768 } else
769 *(void **)data32 = SCARG_P32(uap, data);
770 } else if ((com&IOC_OUT) && size32) {
771 /*
772 * Zero the buffer so the user always
773 * gets back something deterministic.
774 */
775 memset(data32, 0, alloc_size32);
776 } else if (com&IOC_VOID) {
777 *(void **)data32 = SCARG_P32(uap, data);
778 }
779 }
780
781 /*
782 * convert various structures, pointers, and other objects that
783 * change size from 32 bit -> 64 bit, for all ioctl commands.
784 */
785 switch (SCARG(uap, com)) {
786 case FIONBIO:
787 mutex_enter(&fp->f_lock);
788 if ((tmp = *(int *)data32) != 0)
789 fp->f_flag |= FNONBLOCK;
790 else
791 fp->f_flag &= ~FNONBLOCK;
792 mutex_exit(&fp->f_lock);
793 error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp);
794 break;
795
796 case FIOASYNC:
797 mutex_enter(&fp->f_lock);
798 if ((tmp = *(int *)data32) != 0)
799 fp->f_flag |= FASYNC;
800 else
801 fp->f_flag &= ~FASYNC;
802 mutex_exit(&fp->f_lock);
803 error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp);
804 break;
805
806 case AUDIO_WSEEK32:
807 IOCTL_CONV_TO(AUDIO_WSEEK, u_long);
808
809 case DIOCGPART32:
810 IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
811 #if 0 /* not implemented by anything */
812 case DIOCRFORMAT32:
813 IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
814 case DIOCWFORMAT32:
815 IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
816 #endif
817
818 /*
819 * only a few ifreq syscalls need conversion and those are
820 * all driver specific... XXX
821 */
822 #if 0
823 case SIOCGADDRROM3232:
824 IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
825 case SIOCGCHIPID32:
826 IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
827 case SIOCSIFADDR32:
828 IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
829 case OSIOCGIFADDR32:
830 IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
831 case SIOCGIFADDR32:
832 IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
833 case SIOCSIFDSTADDR32:
834 IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
835 case OSIOCGIFDSTADDR32:
836 IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
837 case SIOCGIFDSTADDR32:
838 IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
839 case OSIOCGIFBRDADDR32:
840 IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
841 case SIOCGIFBRDADDR32:
842 IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
843 case SIOCSIFBRDADDR32:
844 IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
845 case OSIOCGIFNETMASK32:
846 IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
847 case SIOCGIFNETMASK32:
848 IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
849 case SIOCSIFNETMASK32:
850 IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
851 case SIOCGIFMETRIC32:
852 IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
853 case SIOCSIFMETRIC32:
854 IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
855 case SIOCDIFADDR32:
856 IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
857 case SIOCADDMULTI32:
858 IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
859 case SIOCDELMULTI32:
860 IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
861 case SIOCSIFMEDIA32:
862 IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
863 case SIOCSIFMTU32:
864 IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
865 case SIOCGIFMTU32:
866 IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
867 case BIOCGETIF32:
868 IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq);
869 case BIOCSETIF32:
870 IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
871 case SIOCPHASE132:
872 IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
873 case SIOCPHASE232:
874 IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
875 #endif
876
877 case OOSIOCGIFCONF32:
878 IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf);
879 case OSIOCGIFCONF32:
880 IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
881 case SIOCGIFCONF32:
882 IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
883
884 case SIOCGIFFLAGS32:
885 IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
886 case SIOCSIFFLAGS32:
887 IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
888
889 case SIOCGIFADDRPREF32:
890 IOCTL_STRUCT_CONV_TO(SIOCGIFADDRPREF, if_addrprefreq);
891 case SIOCSIFADDRPREF32:
892 IOCTL_STRUCT_CONV_TO(SIOCSIFADDRPREF, if_addrprefreq);
893
894
895 case OSIOCGIFFLAGS32:
896 IOCTL_STRUCT_CONV_TO(OSIOCGIFFLAGS, oifreq);
897 case OSIOCSIFFLAGS32:
898 IOCTL_STRUCT_CONV_TO(OSIOCSIFFLAGS, oifreq);
899
900 case SIOCGIFMEDIA32:
901 IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
902
903 case SIOCSDRVSPEC32:
904 IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
905
906 case SIOCGETVIFCNT32:
907 IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
908
909 case SIOCGETSGCNT32:
910 IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
911
912 case VNDIOCSET32:
913 IOCTL_STRUCT_CONV_TO(VNDIOCSET, vnd_ioctl);
914
915 case VNDIOCCLR32:
916 IOCTL_STRUCT_CONV_TO(VNDIOCCLR, vnd_ioctl);
917
918 case VNDIOCGET32:
919 IOCTL_STRUCT_CONV_TO(VNDIOCGET, vnd_user);
920
921 case VNDIOCSET5032:
922 IOCTL_STRUCT_CONV_TO(VNDIOCSET50, vnd_ioctl50);
923
924 case VNDIOCCLR5032:
925 IOCTL_STRUCT_CONV_TO(VNDIOCCLR50, vnd_ioctl50);
926
927 case ENVSYS_GETDICTIONARY32:
928 IOCTL_STRUCT_CONV_TO(ENVSYS_GETDICTIONARY, plistref);
929 case ENVSYS_SETDICTIONARY32:
930 IOCTL_STRUCT_CONV_TO(ENVSYS_SETDICTIONARY, plistref);
931 case ENVSYS_REMOVEPROPS32:
932 IOCTL_STRUCT_CONV_TO(ENVSYS_REMOVEPROPS, plistref);
933
934 case WDOGIOC_GWDOGS32:
935 IOCTL_STRUCT_CONV_TO(WDOGIOC_GWDOGS, wdog_conf);
936
937 case BIOCSETF32:
938 IOCTL_STRUCT_CONV_TO(BIOCSETF, bpf_program);
939 case BIOCSTCPF32:
940 IOCTL_STRUCT_CONV_TO(BIOCSTCPF, bpf_program);
941 case BIOCSUDPF32:
942 IOCTL_STRUCT_CONV_TO(BIOCSUDPF, bpf_program);
943 case BIOCGDLTLIST32:
944 IOCTL_STRUCT_CONV_TO(BIOCGDLTLIST, bpf_dltlist);
945
946 case WSDISPLAYIO_ADDSCREEN32:
947 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_ADDSCREEN, wsdisplay_addscreendata);
948
949 case WSDISPLAYIO_GCURSOR32:
950 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GCURSOR, wsdisplay_cursor);
951 case WSDISPLAYIO_SCURSOR32:
952 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SCURSOR, wsdisplay_cursor);
953
954 case SIOCS80211NWKEY32:
955 IOCTL_STRUCT_CONV_TO(SIOCS80211NWKEY, ieee80211_nwkey);
956 case SIOCG80211NWKEY32:
957 IOCTL_STRUCT_CONV_TO(SIOCG80211NWKEY, ieee80211_nwkey);
958
959 case POWER_EVENT_RECVDICT32:
960 IOCTL_STRUCT_CONV_TO(POWER_EVENT_RECVDICT, plistref);
961
962 case CLOCKCTL_SETTIMEOFDAY32:
963 IOCTL_STRUCT_CONV_TO(CLOCKCTL_SETTIMEOFDAY,
964 clockctl_settimeofday);
965 case CLOCKCTL_ADJTIME32:
966 IOCTL_STRUCT_CONV_TO(CLOCKCTL_ADJTIME, clockctl_adjtime);
967 case CLOCKCTL_CLOCK_SETTIME32:
968 IOCTL_STRUCT_CONV_TO(CLOCKCTL_CLOCK_SETTIME,
969 clockctl_clock_settime);
970 case CLOCKCTL_NTP_ADJTIME32:
971 IOCTL_STRUCT_CONV_TO(CLOCKCTL_NTP_ADJTIME,
972 clockctl_ntp_adjtime);
973
974 default:
975 #ifdef NETBSD32_MD_IOCTL
976 error = netbsd32_md_ioctl(fp, com, data32, l);
977 #else
978 error = (*fp->f_ops->fo_ioctl)(fp, com, data32);
979 #endif
980 break;
981 }
982
983 if (error == EPASSTHROUGH)
984 error = ENOTTY;
985
986 /*
987 * Copy any data to user, size was
988 * already set and checked above.
989 */
990 if (error == 0 && (com&IOC_OUT) && size32) {
991 error = copyout(data32, SCARG_P32(uap, data), size32);
992 ktrgenio(fd, UIO_READ, SCARG_P32(uap, data),
993 size32, error);
994 }
995
996 out:
997 /* If we allocated data, free it here. */
998 if (memp32)
999 kmem_free(memp32, alloc_size32);
1000 if (memp)
1001 kmem_free(memp, size);
1002 fd_putfile(fd);
1003 return (error);
1004 }
1005