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netbsd32_ioctl.c revision 1.4.2.1
      1 /*	$NetBSD: netbsd32_ioctl.c,v 1.4.2.1 2000/11/20 18:08:30 bouyer Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 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  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * handle ioctl conversions from netbsd32 -> sparc64
     33  */
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/filedesc.h>
     38 #include <sys/ioctl.h>
     39 #include <sys/file.h>
     40 #include <sys/proc.h>
     41 #include <sys/socketvar.h>
     42 #include <sys/audioio.h>
     43 #include <sys/disklabel.h>
     44 #include <sys/dkio.h>
     45 #include <sys/malloc.h>
     46 #include <sys/proc.h>
     47 #include <sys/sockio.h>
     48 #include <sys/socket.h>
     49 #include <sys/ttycom.h>
     50 #include <sys/mount.h>
     51 #include <sys/syscallargs.h>
     52 
     53 #include <machine/fbio.h>
     54 #include <machine/openpromio.h>
     55 
     56 #include <net/if.h>
     57 #include <net/route.h>
     58 
     59 #include <netinet/in.h>
     60 #include <netinet/in_var.h>
     61 #include <netinet/igmp.h>
     62 #include <netinet/igmp_var.h>
     63 #include <netinet/ip_mroute.h>
     64 
     65 #include <compat/netbsd32/netbsd32.h>
     66 #include <compat/netbsd32/netbsd32_ioctl.h>
     67 #include <compat/netbsd32/netbsd32_syscallargs.h>
     68 
     69 /* prototypes for the converters */
     70 static __inline void
     71 netbsd32_to_fbcmap(struct netbsd32_fbcmap *, struct fbcmap *, u_long);
     72 static __inline void
     73 netbsd32_to_fbcursor(struct netbsd32_fbcursor *, struct fbcursor *, u_long);
     74 static __inline void
     75 netbsd32_to_opiocdesc(struct netbsd32_opiocdesc *, struct opiocdesc *, u_long);
     76 static __inline void
     77 netbsd32_to_partinfo(struct netbsd32_partinfo *, struct partinfo *, u_long);
     78 static __inline void
     79 netbsd32_to_format_op(struct netbsd32_format_op *, struct format_op *, u_long);
     80 static __inline void
     81 netbsd32_to_ifconf(struct netbsd32_ifconf *, struct ifconf *, u_long);
     82 static __inline void
     83 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *, struct ifmediareq *, u_long);
     84 static __inline void
     85 netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *, u_long);
     86 static __inline void
     87 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *, struct sioc_vif_req *, u_long);
     88 static __inline void
     89 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *, struct sioc_sg_req *, u_long);
     90 
     91 static __inline void
     92 netbsd32_from_fbcmap(struct fbcmap *, struct netbsd32_fbcmap *);
     93 static __inline void
     94 netbsd32_from_fbcursor(struct fbcursor *, struct netbsd32_fbcursor *);
     95 static __inline void
     96 netbsd32_from_opiocdesc(struct opiocdesc *, struct netbsd32_opiocdesc *);
     97 static __inline void
     98 netbsd32_from_partinfo(struct partinfo *, struct netbsd32_partinfo *);
     99 static __inline void
    100 netbsd32_from_format_op(struct format_op *, struct netbsd32_format_op *);
    101 static __inline void
    102 netbsd32_from_ifconf(struct ifconf *, struct netbsd32_ifconf *);
    103 static __inline void
    104 netbsd32_from_ifmediareq(struct ifmediareq *, struct netbsd32_ifmediareq *);
    105 static __inline void
    106 netbsd32_from_ifdrv(struct ifdrv *, struct netbsd32_ifdrv *);
    107 static __inline void
    108 netbsd32_from_sioc_vif_req(struct sioc_vif_req *, struct netbsd32_sioc_vif_req *);
    109 static __inline void
    110 netbsd32_from_sioc_sg_req(struct sioc_sg_req *, struct netbsd32_sioc_sg_req *);
    111 
    112 /* convert to/from different structures */
    113 
    114 static __inline void
    115 netbsd32_to_fbcmap(s32p, p, cmd)
    116 	struct netbsd32_fbcmap *s32p;
    117 	struct fbcmap *p;
    118 	u_long cmd;
    119 {
    120 
    121 	p->index = s32p->index;
    122 	p->count = s32p->count;
    123 	p->red = (u_char *)(u_long)s32p->red;
    124 	p->green = (u_char *)(u_long)s32p->green;
    125 	p->blue = (u_char *)(u_long)s32p->blue;
    126 }
    127 
    128 static __inline void
    129 netbsd32_to_fbcursor(s32p, p, cmd)
    130 	struct netbsd32_fbcursor *s32p;
    131 	struct fbcursor *p;
    132 	u_long cmd;
    133 {
    134 
    135 	p->set = s32p->set;
    136 	p->enable = s32p->enable;
    137 	p->pos = s32p->pos;
    138 	p->hot = s32p->hot;
    139 	netbsd32_to_fbcmap(&s32p->cmap, &p->cmap, cmd);
    140 	p->size = s32p->size;
    141 	p->image = (char *)(u_long)s32p->image;
    142 	p->mask = (char *)(u_long)s32p->mask;
    143 }
    144 
    145 static __inline void
    146 netbsd32_to_opiocdesc(s32p, p, cmd)
    147 	struct netbsd32_opiocdesc *s32p;
    148 	struct opiocdesc *p;
    149 	u_long cmd;
    150 {
    151 
    152 	p->op_nodeid = s32p->op_nodeid;
    153 	p->op_namelen = s32p->op_namelen;
    154 	p->op_name = (char *)(u_long)s32p->op_name;
    155 	p->op_buflen = s32p->op_buflen;
    156 	p->op_buf = (char *)(u_long)s32p->op_buf;
    157 }
    158 
    159 static __inline void
    160 netbsd32_to_partinfo(s32p, p, cmd)
    161 	struct netbsd32_partinfo *s32p;
    162 	struct partinfo *p;
    163 	u_long cmd;
    164 {
    165 
    166 	p->disklab = (struct disklabel *)(u_long)s32p->disklab;
    167 	p->part = (struct partition *)(u_long)s32p->part;
    168 }
    169 
    170 static __inline void
    171 netbsd32_to_format_op(s32p, p, cmd)
    172 	struct netbsd32_format_op *s32p;
    173 	struct format_op *p;
    174 	u_long cmd;
    175 {
    176 
    177 	p->df_buf = (char *)(u_long)s32p->df_buf;
    178 	p->df_count = s32p->df_count;
    179 	p->df_startblk = s32p->df_startblk;
    180 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
    181 }
    182 
    183 #if 0 /* XXX see below */
    184 static __inline void
    185 netbsd32_to_ifreq(s32p, p, cmd)
    186 	struct netbsd32_ifreq *s32p;
    187 	struct ifreq *p;
    188 	u_long cmd;	/* XXX unused yet */
    189 {
    190 
    191 	/*
    192 	 * XXX
    193 	 * struct ifreq says the same, but sometimes the ifr_data
    194 	 * union member needs to be converted to 64 bits... this
    195 	 * is very driver specific and so we ignore it for now..
    196 	 */
    197 	memcpy(p, s32p, sizeof *s32p);
    198 }
    199 #endif
    200 
    201 static __inline void
    202 netbsd32_to_ifconf(s32p, p, cmd)
    203 	struct netbsd32_ifconf *s32p;
    204 	struct ifconf *p;
    205 	u_long cmd;
    206 {
    207 
    208 	p->ifc_len = s32p->ifc_len;
    209 	/* ifc_buf & ifc_req are the same size so this works */
    210 	p->ifc_buf = (caddr_t)(u_long)s32p->ifc_buf;
    211 }
    212 
    213 static __inline void
    214 netbsd32_to_ifmediareq(s32p, p, cmd)
    215 	struct netbsd32_ifmediareq *s32p;
    216 	struct ifmediareq *p;
    217 	u_long cmd;
    218 {
    219 
    220 	memcpy(p, s32p, sizeof *s32p);
    221 	p->ifm_ulist = (int *)(u_long)s32p->ifm_ulist;
    222 }
    223 
    224 static __inline void
    225 netbsd32_to_ifdrv(s32p, p, cmd)
    226 	struct netbsd32_ifdrv *s32p;
    227 	struct ifdrv *p;
    228 	u_long cmd;
    229 {
    230 
    231 	memcpy(p, s32p, sizeof *s32p);
    232 	p->ifd_data = (void *)(u_long)s32p->ifd_data;
    233 }
    234 
    235 static __inline void
    236 netbsd32_to_sioc_vif_req(s32p, p, cmd)
    237 	struct netbsd32_sioc_vif_req *s32p;
    238 	struct sioc_vif_req *p;
    239 	u_long cmd;
    240 {
    241 
    242 	p->vifi = s32p->vifi;
    243 	p->icount = (u_long)s32p->icount;
    244 	p->ocount = (u_long)s32p->ocount;
    245 	p->ibytes = (u_long)s32p->ibytes;
    246 	p->obytes = (u_long)s32p->obytes;
    247 }
    248 
    249 static __inline void
    250 netbsd32_to_sioc_sg_req(s32p, p, cmd)
    251 	struct netbsd32_sioc_sg_req *s32p;
    252 	struct sioc_sg_req *p;
    253 	u_long cmd;
    254 {
    255 
    256 	p->src = s32p->src;
    257 	p->grp = s32p->grp;
    258 	p->pktcnt = (u_long)s32p->pktcnt;
    259 	p->bytecnt = (u_long)s32p->bytecnt;
    260 	p->wrong_if = (u_long)s32p->wrong_if;
    261 }
    262 
    263 /*
    264  * handle ioctl conversions from sparc64 -> netbsd32
    265  */
    266 
    267 static __inline void
    268 netbsd32_from_fbcmap(p, s32p)
    269 	struct fbcmap *p;
    270 	struct netbsd32_fbcmap *s32p;
    271 {
    272 
    273 	s32p->index = p->index;
    274 	s32p->count = p->count;
    275 /* filled in */
    276 #if 0
    277 	s32p->red = (netbsd32_u_charp)p->red;
    278 	s32p->green = (netbsd32_u_charp)p->green;
    279 	s32p->blue = (netbsd32_u_charp)p->blue;
    280 #endif
    281 }
    282 
    283 static __inline void
    284 netbsd32_from_fbcursor(p, s32p)
    285 	struct fbcursor *p;
    286 	struct netbsd32_fbcursor *s32p;
    287 {
    288 
    289 	s32p->set = p->set;
    290 	s32p->enable = p->enable;
    291 	s32p->pos = p->pos;
    292 	s32p->hot = p->hot;
    293 	netbsd32_from_fbcmap(&p->cmap, &s32p->cmap);
    294 	s32p->size = p->size;
    295 /* filled in */
    296 #if 0
    297 	s32p->image = (netbsd32_charp)p->image;
    298 	s32p->mask = (netbsd32_charp)p->mask;
    299 #endif
    300 }
    301 
    302 static __inline void
    303 netbsd32_from_opiocdesc(p, s32p)
    304 	struct opiocdesc *p;
    305 	struct netbsd32_opiocdesc *s32p;
    306 {
    307 
    308 	s32p->op_nodeid = p->op_nodeid;
    309 	s32p->op_namelen = p->op_namelen;
    310 	s32p->op_name = (netbsd32_charp)(u_long)p->op_name;
    311 	s32p->op_buflen = p->op_buflen;
    312 	s32p->op_buf = (netbsd32_charp)(u_long)p->op_buf;
    313 }
    314 
    315 static __inline void
    316 netbsd32_from_partinfo(p, s32p)
    317 	struct partinfo *p;
    318 	struct netbsd32_partinfo *s32p;
    319 {
    320 
    321 	s32p->disklab = (netbsd32_disklabel_tp_t)(u_long)p->disklab;
    322 	s32p->part = s32p->part;
    323 }
    324 
    325 static __inline void
    326 netbsd32_from_format_op(p, s32p)
    327 	struct format_op *p;
    328 	struct netbsd32_format_op *s32p;
    329 {
    330 
    331 /* filled in */
    332 #if 0
    333 	s32p->df_buf = (netbsd32_charp)p->df_buf;
    334 #endif
    335 	s32p->df_count = p->df_count;
    336 	s32p->df_startblk = p->df_startblk;
    337 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
    338 }
    339 
    340 #if 0 /* XXX see below */
    341 static __inline void
    342 netbsd32_from_ifreq(p, s32p, cmd)
    343 	struct ifreq *p;
    344 	struct netbsd32_ifreq *s32p;
    345 	u_long cmd;	/* XXX unused yet */
    346 {
    347 
    348 	/*
    349 	 * XXX
    350 	 * struct ifreq says the same, but sometimes the ifr_data
    351 	 * union member needs to be converted to 64 bits... this
    352 	 * is very driver specific and so we ignore it for now..
    353 	 */
    354 	*s32p = *p;
    355 }
    356 #endif
    357 
    358 static __inline void
    359 netbsd32_from_ifconf(p, s32p)
    360 	struct ifconf *p;
    361 	struct netbsd32_ifconf *s32p;
    362 {
    363 
    364 	s32p->ifc_len = p->ifc_len;
    365 	/* ifc_buf & ifc_req are the same size so this works */
    366 	s32p->ifc_buf = (netbsd32_caddr_t)(u_long)p->ifc_buf;
    367 }
    368 
    369 static __inline void
    370 netbsd32_from_ifmediareq(p, s32p)
    371 	struct ifmediareq *p;
    372 	struct netbsd32_ifmediareq *s32p;
    373 {
    374 
    375 	memcpy(s32p, p, sizeof *p);
    376 /* filled in? */
    377 #if 0
    378 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
    379 #endif
    380 }
    381 
    382 static __inline void
    383 netbsd32_from_ifdrv(p, s32p)
    384 	struct ifdrv *p;
    385 	struct netbsd32_ifdrv *s32p;
    386 {
    387 
    388 	memcpy(s32p, p, sizeof *p);
    389 /* filled in? */
    390 #if 0
    391 	s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
    392 #endif
    393 }
    394 
    395 static __inline void
    396 netbsd32_from_sioc_vif_req(p, s32p)
    397 	struct sioc_vif_req *p;
    398 	struct netbsd32_sioc_vif_req *s32p;
    399 {
    400 
    401 	s32p->vifi = p->vifi;
    402 	s32p->icount = (netbsd32_u_long)p->icount;
    403 	s32p->ocount = (netbsd32_u_long)p->ocount;
    404 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
    405 	s32p->obytes = (netbsd32_u_long)p->obytes;
    406 }
    407 
    408 static __inline void
    409 netbsd32_from_sioc_sg_req(p, s32p)
    410 	struct sioc_sg_req *p;
    411 	struct netbsd32_sioc_sg_req *s32p;
    412 {
    413 
    414 	s32p->src = p->src;
    415 	s32p->grp = p->grp;
    416 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
    417 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
    418 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
    419 }
    420 
    421 
    422 /*
    423  * main ioctl syscall.
    424  *
    425  * ok, here we are in the biggy.  we have to do fix ups depending
    426  * on the ioctl command before and afterwards.
    427  */
    428 int
    429 netbsd32_ioctl(p, v, retval)
    430 	struct proc *p;
    431 	void *v;
    432 	register_t *retval;
    433 {
    434 	struct netbsd32_ioctl_args /* {
    435 		syscallarg(int) fd;
    436 		syscallarg(netbsd32_u_long) com;
    437 		syscallarg(netbsd32_voidp) data;
    438 	} */ *uap = v;
    439 	struct file *fp;
    440 	struct filedesc *fdp;
    441 	u_long com;
    442 	int error = 0;
    443 	u_int size, size32;
    444 	caddr_t data, memp = NULL;
    445 	caddr_t data32, memp32 = NULL;
    446 	int tmp;
    447 #define STK_PARAMS	128
    448 	u_long stkbuf[STK_PARAMS/sizeof(u_long)];
    449 	u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
    450 
    451 	/*
    452 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
    453 	 * some after (_IOR), and some both (_IOWR).
    454 	 */
    455 #if 0
    456 	{
    457 char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
    458 		"INOUT", "VOID|IN|OUT!" };
    459 
    460 printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n",
    461        SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data),
    462        dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
    463        IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
    464        IOCPARM_LEN(SCARG(uap, com)));
    465 	}
    466 #endif
    467 
    468 	fdp = p->p_fd;
    469 	if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
    470 	    (fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL ||
    471 	    (fp->f_iflags & FIF_WANTCLOSE) != 0)
    472 		return (EBADF);
    473 
    474 	FILE_USE(fp);
    475 
    476 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
    477 		error = EBADF;
    478 		goto out;
    479 	}
    480 
    481 	switch (com = SCARG(uap, com)) {
    482 	case FIONCLEX:
    483 		fdp->fd_ofileflags[SCARG(uap, fd)] &= ~UF_EXCLOSE;
    484 		goto out;
    485 
    486 	case FIOCLEX:
    487 		fdp->fd_ofileflags[SCARG(uap, fd)] |= UF_EXCLOSE;
    488 		goto out;
    489 	}
    490 
    491 	/*
    492 	 * Interpret high order word to find amount of data to be
    493 	 * copied to/from the user's address space.
    494 	 */
    495 	size32 = IOCPARM_LEN(com);
    496 	if (size32 > IOCPARM_MAX) {
    497 		error = ENOTTY;
    498 		goto out;
    499 	}
    500 	memp = NULL;
    501 	if (size32 > sizeof(stkbuf)) {
    502 		memp32 = (caddr_t)malloc((u_long)size32, M_IOCTLOPS, M_WAITOK);
    503 		data32 = memp32;
    504 	} else
    505 		data32 = (caddr_t)stkbuf32;
    506 	if (com&IOC_IN) {
    507 		if (size32) {
    508 			error = copyin((caddr_t)(u_long)SCARG(uap, data),
    509 				       data32, size32);
    510 			if (error) {
    511 				if (memp32)
    512 					free(memp32, M_IOCTLOPS);
    513 				goto out;
    514 			}
    515 		} else
    516 			*(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data);
    517 	} else if ((com&IOC_OUT) && size32)
    518 		/*
    519 		 * Zero the buffer so the user always
    520 		 * gets back something deterministic.
    521 		 */
    522 		memset(data32, 0, size32);
    523 	else if (com&IOC_VOID)
    524 		*(caddr_t *)data = (caddr_t)(u_long)SCARG(uap, data);
    525 
    526 /* we define some handy macros here... */
    527 #define IOCTL_STRUCT_CONV_TO(cmd, type)	\
    528 		com = cmd; \
    529 		size = IOCPARM_LEN(com); \
    530 		if (size > sizeof(stkbuf)) \
    531 			data = memp = malloc(size, M_IOCTLOPS, M_WAITOK); \
    532 		else \
    533 			data = (caddr_t)stkbuf; \
    534 		__CONCAT(netbsd32_to_, type)((struct __CONCAT(netbsd32_, type) *) \
    535 			data32, (struct type *)data, com); \
    536 		error = (*fp->f_ops->fo_ioctl)(fp, com, data, p); \
    537 		__CONCAT(netbsd32_from_, type)((struct type *)data, \
    538 			(struct __CONCAT(netbsd32_, type) *)data32); \
    539 		break
    540 
    541 	/*
    542 	 * convert various structures, pointers, and other objects that
    543 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
    544 	 */
    545 	switch (SCARG(uap, com)) {
    546 	case FIONBIO:
    547 		if ((tmp = *(int *)data) != 0)
    548 			fp->f_flag |= FNONBLOCK;
    549 		else
    550 			fp->f_flag &= ~FNONBLOCK;
    551 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (caddr_t)&tmp, p);
    552 		break;
    553 
    554 	case FIOASYNC:
    555 		if ((tmp = *(int *)data) != 0)
    556 			fp->f_flag |= FASYNC;
    557 		else
    558 			fp->f_flag &= ~FASYNC;
    559 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (caddr_t)&tmp, p);
    560 		break;
    561 
    562 	case FIOSETOWN:
    563 		tmp = *(int *)data;
    564 		if (fp->f_type == DTYPE_SOCKET) {
    565 			((struct socket *)fp->f_data)->so_pgid = tmp;
    566 			error = 0;
    567 			break;
    568 		}
    569 		if (tmp <= 0) {
    570 			tmp = -tmp;
    571 		} else {
    572 			struct proc *p1 = pfind(tmp);
    573 			if (p1 == 0) {
    574 				error = ESRCH;
    575 				break;
    576 			}
    577 			tmp = p1->p_pgrp->pg_id;
    578 		}
    579 		error = (*fp->f_ops->fo_ioctl)
    580 			(fp, TIOCSPGRP, (caddr_t)&tmp, p);
    581 		break;
    582 
    583 	case FIOGETOWN:
    584 		if (fp->f_type == DTYPE_SOCKET) {
    585 			error = 0;
    586 			*(int *)data = ((struct socket *)fp->f_data)->so_pgid;
    587 			break;
    588 		}
    589 		error = (*fp->f_ops->fo_ioctl)(fp, TIOCGPGRP, data, p);
    590 		*(int *)data = -*(int *)data;
    591 		break;
    592 
    593 /*
    594  * Here are calls that need explicit conversion.
    595  */
    596 	case FBIOPUTCMAP32:
    597 		IOCTL_STRUCT_CONV_TO(FBIOPUTCMAP, fbcmap);
    598 	case FBIOGETCMAP32:
    599 		IOCTL_STRUCT_CONV_TO(FBIOGETCMAP, fbcmap);
    600 
    601 	case FBIOSCURSOR32:
    602 		IOCTL_STRUCT_CONV_TO(FBIOSCURSOR, fbcursor);
    603 	case FBIOGCURSOR32:
    604 		IOCTL_STRUCT_CONV_TO(FBIOGCURSOR, fbcursor);
    605 
    606 	case OPIOCGET32:
    607 		IOCTL_STRUCT_CONV_TO(OPIOCGET, opiocdesc);
    608 	case OPIOCSET32:
    609 		IOCTL_STRUCT_CONV_TO(OPIOCSET, opiocdesc);
    610 	case OPIOCNEXTPROP32:
    611 		IOCTL_STRUCT_CONV_TO(OPIOCNEXTPROP, opiocdesc);
    612 
    613 	case DIOCGPART32:
    614 		IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
    615 
    616 	case DIOCRFORMAT32:
    617 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
    618 	case DIOCWFORMAT32:
    619 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
    620 
    621 /*
    622  * only a few ifreq syscalls need conversion and those are
    623  * all driver specific... XXX
    624  */
    625 #if 0
    626 	case SIOCGADDRROM3232:
    627 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
    628 	case SIOCGCHIPID32:
    629 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
    630 	case SIOCSIFADDR32:
    631 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
    632 	case OSIOCGIFADDR32:
    633 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
    634 	case SIOCGIFADDR32:
    635 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
    636 	case SIOCSIFDSTADDR32:
    637 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
    638 	case OSIOCGIFDSTADDR32:
    639 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
    640 	case SIOCGIFDSTADDR32:
    641 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
    642 	case SIOCSIFFLAGS32:
    643 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
    644 	case SIOCGIFFLAGS32:
    645 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
    646 	case OSIOCGIFBRDADDR32:
    647 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
    648 	case SIOCGIFBRDADDR32:
    649 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
    650 	case SIOCSIFBRDADDR32:
    651 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
    652 	case OSIOCGIFNETMASK32:
    653 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
    654 	case SIOCGIFNETMASK32:
    655 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
    656 	case SIOCSIFNETMASK32:
    657 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
    658 	case SIOCGIFMETRIC32:
    659 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
    660 	case SIOCSIFMETRIC32:
    661 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
    662 	case SIOCDIFADDR32:
    663 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
    664 	case SIOCADDMULTI32:
    665 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
    666 	case SIOCDELMULTI32:
    667 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
    668 	case SIOCSIFMEDIA32:
    669 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
    670 	case SIOCSIFMTU32:
    671 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
    672 	case SIOCGIFMTU32:
    673 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
    674 	case SIOCSIFASYNCMAP32:
    675 		IOCTL_STRUCT_CONV_TO(SIOCSIFASYNCMAP, ifreq);
    676 	case SIOCGIFASYNCMAP32:
    677 		IOCTL_STRUCT_CONV_TO(SIOCGIFASYNCMAP, ifreq);
    678 /*		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq); READ ONLY */
    679 	case BIOCSETIF32:
    680 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
    681 	case SIOCPHASE132:
    682 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
    683 	case SIOCPHASE232:
    684 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
    685 #endif
    686 
    687 	case OSIOCGIFCONF32:
    688 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
    689 	case SIOCGIFCONF32:
    690 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
    691 
    692 	case SIOCGIFMEDIA32:
    693 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
    694 
    695 	case SIOCSDRVSPEC32:
    696 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
    697 
    698 	case SIOCGETVIFCNT32:
    699 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
    700 
    701 	case SIOCGETSGCNT32:
    702 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
    703 
    704 	default:
    705 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32, p);
    706 		break;
    707 	}
    708 
    709 	/*
    710 	 * Copy any data to user, size was
    711 	 * already set and checked above.
    712 	 */
    713 	if (error == 0 && (com&IOC_OUT) && size32)
    714 		error = copyout(data32, (caddr_t)(u_long)SCARG(uap, data), size32);
    715 
    716 	/* if we malloced data, free it here */
    717 	if (memp32)
    718 		free(memp32, M_IOCTLOPS);
    719 	if (memp)
    720 		free(memp, M_IOCTLOPS);
    721 
    722  out:
    723 	FILE_UNUSE(fp, p);
    724 	return (error);
    725 }
    726