netbsd32_ioctl.c revision 1.64.6.1 1 /* $NetBSD: netbsd32_ioctl.c,v 1.64.6.1 2012/06/02 11:09:15 mrg 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 1.64.6.1 2012/06/02 11:09:15 mrg 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_ieee80211req(struct netbsd32_ieee80211req *ireq32,
271 struct ieee80211req *ireq, u_long cmd)
272 {
273 strncpy(ireq->i_name, ireq32->i_name, IFNAMSIZ);
274 ireq->i_type = ireq32->i_type;
275 ireq->i_val = ireq32->i_val;
276 ireq->i_len = ireq32->i_len;
277 ireq->i_data = NETBSD32PTR64(ireq32->i_data);
278 }
279
280 static inline void
281 netbsd32_to_ieee80211_nwkey(struct netbsd32_ieee80211_nwkey *nwk32,
282 struct ieee80211_nwkey *nwk,
283 u_long cmd)
284 {
285 int i;
286
287 strncpy(nwk->i_name, nwk32->i_name, IFNAMSIZ);
288 nwk->i_wepon = nwk32->i_wepon;
289 nwk->i_defkid = nwk32->i_defkid;
290 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
291 nwk->i_key[i].i_keylen = nwk32->i_key[i].i_keylen;
292 nwk->i_key[i].i_keydat =
293 NETBSD32PTR64(nwk32->i_key[i].i_keydat);
294 }
295 }
296
297 static inline void
298 netbsd32_to_wsdisplay_cursor(struct netbsd32_wsdisplay_cursor *c32,
299 struct wsdisplay_cursor *c,
300 u_long cmd)
301 {
302 c->which = c32->which;
303 c->enable = c32->enable;
304 c->pos.x = c32->pos.x;
305 c->pos.y = c32->pos.y;
306 c->hot.x = c32->hot.x;
307 c->hot.y = c32->hot.y;
308 c->size.x = c32->size.x;
309 c->size.y = c32->size.y;
310 c->cmap.index = c32->cmap.index;
311 c->cmap.count = c32->cmap.count;
312 c->cmap.red = NETBSD32PTR64(c32->cmap.red);
313 c->cmap.green = NETBSD32PTR64(c32->cmap.green);
314 c->cmap.blue = NETBSD32PTR64(c32->cmap.blue);
315 c->image = NETBSD32PTR64(c32->image);
316 c->mask = NETBSD32PTR64(c32->mask);
317 }
318
319 static inline void
320 netbsd32_to_clockctl_settimeofday(
321 const struct netbsd32_clockctl_settimeofday *s32p,
322 struct clockctl_settimeofday *p,
323 u_long cmd)
324 {
325
326 p->tv = NETBSD32PTR64(s32p->tv);
327 p->tzp = NETBSD32PTR64(s32p->tzp);
328 }
329
330 static inline void
331 netbsd32_to_clockctl_adjtime(
332 const struct netbsd32_clockctl_adjtime *s32p,
333 struct clockctl_adjtime *p,
334 u_long cmd)
335 {
336
337 p->delta = NETBSD32PTR64(s32p->delta);
338 p->olddelta = NETBSD32PTR64(s32p->olddelta);
339 }
340
341 static inline void
342 netbsd32_to_clockctl_clock_settime(
343 const struct netbsd32_clockctl_clock_settime *s32p,
344 struct clockctl_clock_settime *p,
345 u_long cmd)
346 {
347
348 p->clock_id = s32p->clock_id;
349 p->tp = NETBSD32PTR64(s32p->tp);
350 }
351
352 static inline void
353 netbsd32_to_clockctl_ntp_adjtime(
354 const struct netbsd32_clockctl_ntp_adjtime *s32p,
355 struct clockctl_ntp_adjtime *p,
356 u_long cmd)
357 {
358
359 p->tp = NETBSD32PTR64(s32p->tp);
360 p->retval = s32p->retval;
361 }
362
363 /*
364 * handle ioctl conversions from 64-bit kernel -> netbsd32
365 */
366
367 static inline void
368 netbsd32_from_partinfo(struct partinfo *p, struct netbsd32_partinfo *s32p, u_long cmd)
369 {
370
371 NETBSD32PTR32(s32p->disklab, p->disklab);
372 NETBSD32PTR32(s32p->part, p->part);
373 }
374
375 #if 0
376 static inline void
377 netbsd32_from_format_op(struct format_op *p, struct netbsd32_format_op *s32p, u_long cmd)
378 {
379
380 /* filled in */
381 #if 0
382 s32p->df_buf = (netbsd32_charp)p->df_buf;
383 #endif
384 s32p->df_count = p->df_count;
385 s32p->df_startblk = p->df_startblk;
386 memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
387 }
388 #endif
389
390 static inline void
391 netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd)
392 {
393
394 /*
395 * XXX
396 * struct ifreq says the same, but sometimes the ifr_data
397 * union member needs to be converted to 64 bits... this
398 * is very driver specific and so we ignore it for now..
399 */
400 memcpy(s32p, p, sizeof *s32p);
401 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
402 NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
403 }
404
405 static inline void
406 netbsd32_from_oifreq(struct oifreq *p, struct netbsd32_oifreq *s32p, u_long cmd)
407 {
408
409 /*
410 * XXX
411 * struct ifreq says the same, but sometimes the ifr_data
412 * union member needs to be converted to 64 bits... this
413 * is very driver specific and so we ignore it for now..
414 */
415 memcpy(s32p, p, sizeof *s32p);
416 if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
417 NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
418 }
419
420 static inline void
421 netbsd32_from_if_addrprefreq(const struct if_addrprefreq *ifap,
422 struct netbsd32_if_addrprefreq *ifap32, u_long cmd)
423 {
424 strlcpy(ifap32->ifap_name, ifap->ifap_name, sizeof(ifap32->ifap_name));
425 ifap32->ifap_preference = ifap->ifap_preference;
426 memcpy(&ifap32->ifap_addr, &ifap->ifap_addr,
427 max(ifap->ifap_addr.ss_len, _SS_MAXSIZE));
428 }
429
430 static inline void
431 netbsd32_from_ifconf(struct ifconf *p, struct netbsd32_ifconf *s32p, u_long cmd)
432 {
433
434 s32p->ifc_len = p->ifc_len;
435 /* ifc_buf & ifc_req are the same size so this works */
436 NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf);
437 }
438
439 static inline void
440 netbsd32_from_ifmediareq(struct ifmediareq *p, struct netbsd32_ifmediareq *s32p, u_long cmd)
441 {
442
443 memcpy(s32p, p, sizeof *p);
444 /* filled in? */
445 #if 0
446 s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
447 #endif
448 }
449
450 static inline void
451 netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd)
452 {
453
454 memcpy(s32p, p, sizeof *p);
455 /* filled in? */
456 #if 0
457 s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
458 #endif
459 }
460
461 static inline void
462 netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, struct netbsd32_sioc_vif_req *s32p, u_long cmd)
463 {
464
465 s32p->vifi = p->vifi;
466 s32p->icount = (netbsd32_u_long)p->icount;
467 s32p->ocount = (netbsd32_u_long)p->ocount;
468 s32p->ibytes = (netbsd32_u_long)p->ibytes;
469 s32p->obytes = (netbsd32_u_long)p->obytes;
470 }
471
472 static inline void
473 netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, struct netbsd32_sioc_sg_req *s32p, u_long cmd)
474 {
475
476 s32p->src = p->src;
477 s32p->grp = p->grp;
478 s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
479 s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
480 s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
481 }
482
483 static inline void
484 netbsd32_from_vnd_ioctl(struct vnd_ioctl *p, struct netbsd32_vnd_ioctl *s32p, u_long cmd)
485 {
486
487 s32p->vnd_flags = p->vnd_flags;
488 s32p->vnd_geom = p->vnd_geom;
489 s32p->vnd_osize = p->vnd_osize;
490 s32p->vnd_size = p->vnd_size;
491 }
492
493 static inline void
494 netbsd32_from_vnd_user(struct vnd_user *p, struct netbsd32_vnd_user *s32p, u_long cmd)
495 {
496
497 s32p->vnu_unit = p->vnu_unit;
498 s32p->vnu_dev = p->vnu_dev;
499 s32p->vnu_ino = p->vnu_ino;
500 }
501
502 static inline void
503 netbsd32_from_vnd_ioctl50(struct vnd_ioctl50 *p, struct netbsd32_vnd_ioctl50 *s32p, u_long cmd)
504 {
505
506 s32p->vnd_flags = p->vnd_flags;
507 s32p->vnd_geom = p->vnd_geom;
508 s32p->vnd_size = p->vnd_size;
509 }
510
511 static inline void
512 netbsd32_from_plistref(struct plistref *p, struct netbsd32_plistref *s32p, u_long cmd)
513 {
514
515 NETBSD32PTR32(s32p->pref_plist, p->pref_plist);
516 s32p->pref_len = p->pref_len;
517 }
518
519 static inline void
520 netbsd32_from_wdog_conf(struct wdog_conf *p, struct netbsd32_wdog_conf *s32p, u_long cmd)
521 {
522
523 NETBSD32PTR32(s32p->wc_names, p->wc_names);
524 s32p->wc_count = p->wc_count;
525 }
526
527 /* wsdisplay stuff */
528 static inline void
529 netbsd32_from_wsdisplay_addscreendata(struct wsdisplay_addscreendata *asd,
530 struct netbsd32_wsdisplay_addscreendata *asd32,
531 u_long cmd)
532 {
533 NETBSD32PTR32(asd32->screentype, asd->screentype);
534 NETBSD32PTR32(asd32->emul, asd->emul);
535 asd32->idx = asd->idx;
536 }
537
538 static inline void
539 netbsd32_from_wsdisplay_cursor(struct wsdisplay_cursor *c,
540 struct netbsd32_wsdisplay_cursor *c32,
541 u_long cmd)
542 {
543 c32->which = c->which;
544 c32->enable = c->enable;
545 c32->pos.x = c->pos.x;
546 c32->pos.y = c->pos.y;
547 c32->hot.x = c->hot.x;
548 c32->hot.y = c->hot.y;
549 c32->size.x = c->size.x;
550 c32->size.y = c->size.y;
551 c32->cmap.index = c->cmap.index;
552 c32->cmap.count = c->cmap.count;
553 NETBSD32PTR32(c32->cmap.red, c->cmap.red);
554 NETBSD32PTR32(c32->cmap.green, c->cmap.green);
555 NETBSD32PTR32(c32->cmap.blue, c->cmap.blue);
556 NETBSD32PTR32(c32->image, c->image);
557 NETBSD32PTR32(c32->mask, c->mask);
558 }
559
560 static inline void
561 netbsd32_from_ieee80211req(struct ieee80211req *ireq,
562 struct netbsd32_ieee80211req *ireq32, u_long cmd)
563 {
564 strncpy(ireq32->i_name, ireq->i_name, IFNAMSIZ);
565 ireq32->i_type = ireq->i_type;
566 ireq32->i_val = ireq->i_val;
567 ireq32->i_len = ireq->i_len;
568 NETBSD32PTR32(ireq32->i_data, ireq->i_data);
569 }
570
571 static inline void
572 netbsd32_from_ieee80211_nwkey(struct ieee80211_nwkey *nwk,
573 struct netbsd32_ieee80211_nwkey *nwk32,
574 u_long cmd)
575 {
576 int i;
577
578 strncpy(nwk32->i_name, nwk->i_name, IFNAMSIZ);
579 nwk32->i_wepon = nwk->i_wepon;
580 nwk32->i_defkid = nwk->i_defkid;
581 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
582 nwk32->i_key[i].i_keylen = nwk->i_key[i].i_keylen;
583 NETBSD32PTR32(nwk32->i_key[i].i_keydat,
584 nwk->i_key[i].i_keydat);
585 }
586 }
587
588 static inline void
589 netbsd32_from_bpf_program(struct bpf_program *p, struct netbsd32_bpf_program *s32p, u_long cmd)
590 {
591
592 NETBSD32PTR32(s32p->bf_insns, p->bf_insns);
593 s32p->bf_len = p->bf_len;
594 }
595
596 static inline void
597 netbsd32_from_bpf_dltlist(struct bpf_dltlist *p, struct netbsd32_bpf_dltlist *s32p, u_long cmd)
598 {
599
600 NETBSD32PTR32(s32p->bfl_list, p->bfl_list);
601 s32p->bfl_len = p->bfl_len;
602 }
603
604 static inline void
605 netbsd32_from_u_long(u_long *p, netbsd32_u_long *s32p, u_long cmd)
606 {
607
608 *s32p = (netbsd32_u_long)*p;
609 }
610
611 static inline void
612 netbsd32_from_clockctl_settimeofday(
613 const struct clockctl_settimeofday *p,
614 struct netbsd32_clockctl_settimeofday *s32p,
615 u_long cmd)
616 {
617
618 NETBSD32PTR32(s32p->tv, p->tv);
619 NETBSD32PTR32(s32p->tzp, p->tzp);
620 }
621
622 static inline void
623 netbsd32_from_clockctl_adjtime(
624 const struct clockctl_adjtime *p,
625 struct netbsd32_clockctl_adjtime *s32p,
626 u_long cmd)
627 {
628
629 NETBSD32PTR32(s32p->delta, p->delta);
630 NETBSD32PTR32(s32p->olddelta, p->olddelta);
631 }
632
633 static inline void
634 netbsd32_from_clockctl_clock_settime(
635 const struct clockctl_clock_settime *p,
636 struct netbsd32_clockctl_clock_settime *s32p,
637 u_long cmd)
638 {
639
640 s32p->clock_id = p->clock_id;
641 NETBSD32PTR32(s32p->tp, p->tp);
642 }
643
644 static inline void
645 netbsd32_from_clockctl_ntp_adjtime(
646 const struct clockctl_ntp_adjtime *p,
647 struct netbsd32_clockctl_ntp_adjtime *s32p,
648 u_long cmd)
649 {
650
651 NETBSD32PTR32(s32p->tp, p->tp);
652 s32p->retval = p->retval;
653 }
654
655 /*
656 * main ioctl syscall.
657 *
658 * ok, here we are in the biggy. we have to do fix ups depending
659 * on the ioctl command before and afterwards.
660 */
661 int
662 netbsd32_ioctl(struct lwp *l, const struct netbsd32_ioctl_args *uap, register_t *retval)
663 {
664 /* {
665 syscallarg(int) fd;
666 syscallarg(netbsd32_u_long) com;
667 syscallarg(netbsd32_voidp) data;
668 } */
669 struct proc *p = l->l_proc;
670 struct file *fp;
671 struct filedesc *fdp;
672 u_long com;
673 int error = 0;
674 size_t size;
675 size_t alloc_size32, size32;
676 void *data, *memp = NULL;
677 void *data32, *memp32 = NULL;
678 unsigned int fd;
679 fdfile_t *ff;
680 int tmp;
681 #define STK_PARAMS 128
682 u_long stkbuf[STK_PARAMS/sizeof(u_long)];
683 u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
684
685 /*
686 * we need to translate some commands (_IOW) before calling sys_ioctl,
687 * some after (_IOR), and some both (_IOWR).
688 */
689 #if 0
690 {
691 const char * const dirs[8] = {
692 "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
693 "INOUT", "VOID|IN|OUT!"
694 };
695
696 printf("netbsd32_ioctl(%d, %x, %x): "
697 "%s group %c base %d len %d\n",
698 SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data).i32,
699 dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
700 IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
701 IOCPARM_LEN(SCARG(uap, com)));
702 }
703 #endif
704
705 memp = NULL;
706 memp32 = NULL;
707 alloc_size32 = 0;
708 size32 = 0;
709 size = 0;
710
711 fdp = p->p_fd;
712 fd = SCARG(uap, fd);
713 if ((fp = fd_getfile(fd)) == NULL)
714 return (EBADF);
715 if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
716 error = EBADF;
717 goto out;
718 }
719
720 ff = fdp->fd_dt->dt_ff[SCARG(uap, fd)];
721 switch (com = SCARG(uap, com)) {
722 case FIOCLEX:
723 ff->ff_exclose = true;
724 fdp->fd_exclose = true;
725 goto out;
726
727 case FIONCLEX:
728 ff->ff_exclose = false;
729 goto out;
730 }
731
732 /*
733 * Interpret high order word to find amount of data to be
734 * copied to/from the user's address space.
735 */
736 size32 = IOCPARM_LEN(com);
737 alloc_size32 = size32;
738
739 /*
740 * The disklabel is now padded to a multiple of 8 bytes however the old
741 * disklabel on 32bit platforms wasn't. This leaves a difference in
742 * size of 4 bytes between the two but are otherwise identical.
743 * To deal with this, we allocate enough space for the new disklabel
744 * but only copyin/out the smaller amount.
745 */
746 if (IOCGROUP(com) == 'd') {
747 u_long ncom = com ^ (DIOCGDINFO ^ DIOCGDINFO32);
748 switch (ncom) {
749 case DIOCGDINFO:
750 case DIOCWDINFO:
751 case DIOCSDINFO:
752 case DIOCGDEFLABEL:
753 com = ncom;
754 if (IOCPARM_LEN(DIOCGDINFO32) < IOCPARM_LEN(DIOCGDINFO))
755 alloc_size32 = IOCPARM_LEN(DIOCGDINFO);
756 break;
757 }
758 }
759 if (alloc_size32 > IOCPARM_MAX) {
760 error = ENOTTY;
761 goto out;
762 }
763 if (alloc_size32 > sizeof(stkbuf)) {
764 memp32 = kmem_alloc(alloc_size32, KM_SLEEP);
765 data32 = memp32;
766 } else
767 data32 = (void *)stkbuf32;
768 if ((com >> IOCPARM_SHIFT) == 0) {
769 /* UNIX-style ioctl. */
770 data32 = SCARG_P32(uap, data);
771 } else {
772 if (com&IOC_IN) {
773 if (size32) {
774 error = copyin(SCARG_P32(uap, data), data32,
775 size32);
776 if (error) {
777 goto out;
778 }
779 /*
780 * The data between size and alloc_size has
781 * not been overwritten. It shouldn't matter
782 * but let's clear that anyway.
783 */
784 if (__predict_false(size32 < alloc_size32)) {
785 memset((char *)data32+size32, 0,
786 alloc_size32 - size32);
787 }
788 ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data),
789 size32, 0);
790 } else
791 *(void **)data32 = SCARG_P32(uap, data);
792 } else if ((com&IOC_OUT) && size32) {
793 /*
794 * Zero the buffer so the user always
795 * gets back something deterministic.
796 */
797 memset(data32, 0, alloc_size32);
798 } else if (com&IOC_VOID) {
799 *(void **)data32 = SCARG_P32(uap, data);
800 }
801 }
802
803 /*
804 * convert various structures, pointers, and other objects that
805 * change size from 32 bit -> 64 bit, for all ioctl commands.
806 */
807 switch (SCARG(uap, com)) {
808 case FIONBIO:
809 mutex_enter(&fp->f_lock);
810 if ((tmp = *(int *)data32) != 0)
811 fp->f_flag |= FNONBLOCK;
812 else
813 fp->f_flag &= ~FNONBLOCK;
814 mutex_exit(&fp->f_lock);
815 error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp);
816 break;
817
818 case FIOASYNC:
819 mutex_enter(&fp->f_lock);
820 if ((tmp = *(int *)data32) != 0)
821 fp->f_flag |= FASYNC;
822 else
823 fp->f_flag &= ~FASYNC;
824 mutex_exit(&fp->f_lock);
825 error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp);
826 break;
827
828 case AUDIO_WSEEK32:
829 IOCTL_CONV_TO(AUDIO_WSEEK, u_long);
830
831 case DIOCGPART32:
832 IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
833 #if 0 /* not implemented by anything */
834 case DIOCRFORMAT32:
835 IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
836 case DIOCWFORMAT32:
837 IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
838 #endif
839
840 /*
841 * only a few ifreq syscalls need conversion and those are
842 * all driver specific... XXX
843 */
844 #if 0
845 case SIOCGADDRROM3232:
846 IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
847 case SIOCGCHIPID32:
848 IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
849 case SIOCSIFADDR32:
850 IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
851 case OSIOCGIFADDR32:
852 IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
853 case SIOCGIFADDR32:
854 IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
855 case SIOCSIFDSTADDR32:
856 IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
857 case OSIOCGIFDSTADDR32:
858 IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
859 case SIOCGIFDSTADDR32:
860 IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
861 case OSIOCGIFBRDADDR32:
862 IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
863 case SIOCGIFBRDADDR32:
864 IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
865 case SIOCSIFBRDADDR32:
866 IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
867 case OSIOCGIFNETMASK32:
868 IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
869 case SIOCGIFNETMASK32:
870 IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
871 case SIOCSIFNETMASK32:
872 IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
873 case SIOCGIFMETRIC32:
874 IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
875 case SIOCSIFMETRIC32:
876 IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
877 case SIOCDIFADDR32:
878 IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
879 case SIOCADDMULTI32:
880 IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
881 case SIOCDELMULTI32:
882 IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
883 case SIOCSIFMEDIA32:
884 IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
885 case SIOCSIFMTU32:
886 IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
887 case SIOCGIFMTU32:
888 IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
889 case BIOCGETIF32:
890 IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq);
891 case BIOCSETIF32:
892 IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
893 case SIOCPHASE132:
894 IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
895 case SIOCPHASE232:
896 IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
897 #endif
898
899 case OOSIOCGIFCONF32:
900 IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf);
901 case OSIOCGIFCONF32:
902 IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
903 case SIOCGIFCONF32:
904 IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
905
906 case SIOCGIFFLAGS32:
907 IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
908 case SIOCSIFFLAGS32:
909 IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
910
911 case SIOCGIFADDRPREF32:
912 IOCTL_STRUCT_CONV_TO(SIOCGIFADDRPREF, if_addrprefreq);
913 case SIOCSIFADDRPREF32:
914 IOCTL_STRUCT_CONV_TO(SIOCSIFADDRPREF, if_addrprefreq);
915
916
917 case OSIOCGIFFLAGS32:
918 IOCTL_STRUCT_CONV_TO(OSIOCGIFFLAGS, oifreq);
919 case OSIOCSIFFLAGS32:
920 IOCTL_STRUCT_CONV_TO(OSIOCSIFFLAGS, oifreq);
921
922 case SIOCGIFMEDIA32:
923 IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
924
925 case SIOCSDRVSPEC32:
926 IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
927
928 case SIOCGETVIFCNT32:
929 IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
930
931 case SIOCGETSGCNT32:
932 IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
933
934 case VNDIOCSET32:
935 IOCTL_STRUCT_CONV_TO(VNDIOCSET, vnd_ioctl);
936
937 case VNDIOCCLR32:
938 IOCTL_STRUCT_CONV_TO(VNDIOCCLR, vnd_ioctl);
939
940 case VNDIOCGET32:
941 IOCTL_STRUCT_CONV_TO(VNDIOCGET, vnd_user);
942
943 case VNDIOCSET5032:
944 IOCTL_STRUCT_CONV_TO(VNDIOCSET50, vnd_ioctl50);
945
946 case VNDIOCCLR5032:
947 IOCTL_STRUCT_CONV_TO(VNDIOCCLR50, vnd_ioctl50);
948
949 case ENVSYS_GETDICTIONARY32:
950 IOCTL_STRUCT_CONV_TO(ENVSYS_GETDICTIONARY, plistref);
951 case ENVSYS_SETDICTIONARY32:
952 IOCTL_STRUCT_CONV_TO(ENVSYS_SETDICTIONARY, plistref);
953 case ENVSYS_REMOVEPROPS32:
954 IOCTL_STRUCT_CONV_TO(ENVSYS_REMOVEPROPS, plistref);
955
956 case WDOGIOC_GWDOGS32:
957 IOCTL_STRUCT_CONV_TO(WDOGIOC_GWDOGS, wdog_conf);
958
959 case BIOCSETF32:
960 IOCTL_STRUCT_CONV_TO(BIOCSETF, bpf_program);
961 case BIOCSTCPF32:
962 IOCTL_STRUCT_CONV_TO(BIOCSTCPF, bpf_program);
963 case BIOCSUDPF32:
964 IOCTL_STRUCT_CONV_TO(BIOCSUDPF, bpf_program);
965 case BIOCGDLTLIST32:
966 IOCTL_STRUCT_CONV_TO(BIOCGDLTLIST, bpf_dltlist);
967
968 case WSDISPLAYIO_ADDSCREEN32:
969 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_ADDSCREEN, wsdisplay_addscreendata);
970
971 case WSDISPLAYIO_GCURSOR32:
972 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_GCURSOR, wsdisplay_cursor);
973 case WSDISPLAYIO_SCURSOR32:
974 IOCTL_STRUCT_CONV_TO(WSDISPLAYIO_SCURSOR, wsdisplay_cursor);
975
976 case SIOCS8021132:
977 IOCTL_STRUCT_CONV_TO(SIOCS80211, ieee80211req);
978 case SIOCG8021132:
979 IOCTL_STRUCT_CONV_TO(SIOCG80211, ieee80211req);
980 case SIOCS80211NWKEY32:
981 IOCTL_STRUCT_CONV_TO(SIOCS80211NWKEY, ieee80211_nwkey);
982 case SIOCG80211NWKEY32:
983 IOCTL_STRUCT_CONV_TO(SIOCG80211NWKEY, ieee80211_nwkey);
984
985 case POWER_EVENT_RECVDICT32:
986 IOCTL_STRUCT_CONV_TO(POWER_EVENT_RECVDICT, plistref);
987
988 case CLOCKCTL_SETTIMEOFDAY32:
989 IOCTL_STRUCT_CONV_TO(CLOCKCTL_SETTIMEOFDAY,
990 clockctl_settimeofday);
991 case CLOCKCTL_ADJTIME32:
992 IOCTL_STRUCT_CONV_TO(CLOCKCTL_ADJTIME, clockctl_adjtime);
993 case CLOCKCTL_CLOCK_SETTIME32:
994 IOCTL_STRUCT_CONV_TO(CLOCKCTL_CLOCK_SETTIME,
995 clockctl_clock_settime);
996 case CLOCKCTL_NTP_ADJTIME32:
997 IOCTL_STRUCT_CONV_TO(CLOCKCTL_NTP_ADJTIME,
998 clockctl_ntp_adjtime);
999
1000 default:
1001 #ifdef NETBSD32_MD_IOCTL
1002 error = netbsd32_md_ioctl(fp, com, data32, l);
1003 #else
1004 error = (*fp->f_ops->fo_ioctl)(fp, com, data32);
1005 #endif
1006 break;
1007 }
1008
1009 if (error == EPASSTHROUGH)
1010 error = ENOTTY;
1011
1012 /*
1013 * Copy any data to user, size was
1014 * already set and checked above.
1015 */
1016 if (error == 0 && (com&IOC_OUT) && size32) {
1017 error = copyout(data32, SCARG_P32(uap, data), size32);
1018 ktrgenio(fd, UIO_READ, SCARG_P32(uap, data),
1019 size32, error);
1020 }
1021
1022 out:
1023 /* If we allocated data, free it here. */
1024 if (memp32)
1025 kmem_free(memp32, alloc_size32);
1026 if (memp)
1027 kmem_free(memp, size);
1028 fd_putfile(fd);
1029 return (error);
1030 }
1031