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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