Home | History | Annotate | Line # | Download | only in netbsd32
netbsd32_ioctl.c revision 1.8.2.6
      1  1.8.2.6  nathanw /*	$NetBSD: netbsd32_ioctl.c,v 1.8.2.6 2002/05/29 21:32:49 nathanw Exp $	*/
      2      1.1      mrg 
      3      1.1      mrg /*
      4  1.8.2.2  nathanw  * Copyright (c) 1998, 2001 Matthew R. Green
      5      1.1      mrg  * All rights reserved.
      6      1.1      mrg  *
      7      1.1      mrg  * Redistribution and use in source and binary forms, with or without
      8      1.1      mrg  * modification, are permitted provided that the following conditions
      9      1.1      mrg  * are met:
     10      1.1      mrg  * 1. Redistributions of source code must retain the above copyright
     11      1.1      mrg  *    notice, this list of conditions and the following disclaimer.
     12      1.1      mrg  * 2. Redistributions in binary form must reproduce the above copyright
     13      1.1      mrg  *    notice, this list of conditions and the following disclaimer in the
     14      1.1      mrg  *    documentation and/or other materials provided with the distribution.
     15      1.1      mrg  * 3. The name of the author may not be used to endorse or promote products
     16      1.1      mrg  *    derived from this software without specific prior written permission.
     17      1.1      mrg  *
     18      1.1      mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19      1.1      mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20      1.1      mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21      1.1      mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22      1.1      mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23      1.1      mrg  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24      1.1      mrg  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25      1.1      mrg  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26      1.1      mrg  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27      1.1      mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28      1.1      mrg  * SUCH DAMAGE.
     29      1.1      mrg  */
     30      1.1      mrg 
     31      1.1      mrg /*
     32  1.8.2.4  nathanw  * handle ioctl conversions from netbsd32 -> 64-bit kernel
     33      1.1      mrg  */
     34  1.8.2.3  nathanw 
     35  1.8.2.3  nathanw #include <sys/cdefs.h>
     36  1.8.2.6  nathanw __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.8.2.6 2002/05/29 21:32:49 nathanw Exp $");
     37      1.1      mrg 
     38      1.1      mrg #include <sys/param.h>
     39      1.1      mrg #include <sys/systm.h>
     40      1.7      eeh #include <sys/filedesc.h>
     41      1.7      eeh #include <sys/ioctl.h>
     42      1.7      eeh #include <sys/file.h>
     43      1.7      eeh #include <sys/proc.h>
     44      1.7      eeh #include <sys/socketvar.h>
     45      1.1      mrg #include <sys/audioio.h>
     46      1.1      mrg #include <sys/disklabel.h>
     47      1.1      mrg #include <sys/dkio.h>
     48      1.1      mrg #include <sys/malloc.h>
     49      1.1      mrg #include <sys/proc.h>
     50      1.1      mrg #include <sys/sockio.h>
     51      1.1      mrg #include <sys/socket.h>
     52      1.1      mrg #include <sys/ttycom.h>
     53      1.1      mrg #include <sys/mount.h>
     54  1.8.2.6  nathanw #include <sys/sa.h>
     55      1.1      mrg #include <sys/syscallargs.h>
     56      1.1      mrg 
     57  1.8.2.1  nathanw #ifdef __sparc__
     58  1.8.2.2  nathanw #include <dev/sun/fbio.h>
     59      1.1      mrg #include <machine/openpromio.h>
     60  1.8.2.1  nathanw #endif
     61      1.1      mrg 
     62      1.1      mrg #include <net/if.h>
     63      1.1      mrg #include <net/route.h>
     64      1.1      mrg 
     65      1.1      mrg #include <netinet/in.h>
     66      1.1      mrg #include <netinet/in_var.h>
     67      1.1      mrg #include <netinet/igmp.h>
     68      1.1      mrg #include <netinet/igmp_var.h>
     69      1.1      mrg #include <netinet/ip_mroute.h>
     70      1.1      mrg 
     71      1.2      mrg #include <compat/netbsd32/netbsd32.h>
     72      1.2      mrg #include <compat/netbsd32/netbsd32_ioctl.h>
     73      1.2      mrg #include <compat/netbsd32/netbsd32_syscallargs.h>
     74      1.1      mrg 
     75      1.6      mrg /* prototypes for the converters */
     76      1.6      mrg static __inline void
     77      1.7      eeh netbsd32_to_partinfo(struct netbsd32_partinfo *, struct partinfo *, u_long);
     78      1.6      mrg static __inline void
     79      1.7      eeh netbsd32_to_format_op(struct netbsd32_format_op *, struct format_op *, u_long);
     80      1.6      mrg static __inline void
     81      1.7      eeh netbsd32_to_ifconf(struct netbsd32_ifconf *, struct ifconf *, u_long);
     82      1.6      mrg static __inline void
     83      1.7      eeh netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *, struct ifmediareq *, u_long);
     84      1.6      mrg static __inline void
     85      1.7      eeh netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *, u_long);
     86      1.6      mrg static __inline void
     87      1.7      eeh netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *, struct sioc_vif_req *, u_long);
     88      1.6      mrg static __inline void
     89      1.7      eeh netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *, struct sioc_sg_req *, u_long);
     90      1.6      mrg static __inline void
     91      1.7      eeh netbsd32_from_partinfo(struct partinfo *, struct netbsd32_partinfo *);
     92      1.7      eeh static __inline void
     93      1.6      mrg netbsd32_from_format_op(struct format_op *, struct netbsd32_format_op *);
     94      1.6      mrg static __inline void
     95      1.6      mrg netbsd32_from_ifconf(struct ifconf *, struct netbsd32_ifconf *);
     96      1.6      mrg static __inline void
     97      1.6      mrg netbsd32_from_ifmediareq(struct ifmediareq *, struct netbsd32_ifmediareq *);
     98      1.6      mrg static __inline void
     99      1.6      mrg netbsd32_from_ifdrv(struct ifdrv *, struct netbsd32_ifdrv *);
    100      1.6      mrg static __inline void
    101      1.6      mrg netbsd32_from_sioc_vif_req(struct sioc_vif_req *, struct netbsd32_sioc_vif_req *);
    102      1.6      mrg static __inline void
    103      1.6      mrg netbsd32_from_sioc_sg_req(struct sioc_sg_req *, struct netbsd32_sioc_sg_req *);
    104      1.6      mrg 
    105      1.6      mrg /* convert to/from different structures */
    106      1.6      mrg 
    107      1.6      mrg static __inline void
    108      1.7      eeh netbsd32_to_partinfo(s32p, p, cmd)
    109      1.2      mrg 	struct netbsd32_partinfo *s32p;
    110      1.1      mrg 	struct partinfo *p;
    111      1.7      eeh 	u_long cmd;
    112      1.1      mrg {
    113      1.1      mrg 
    114      1.1      mrg 	p->disklab = (struct disklabel *)(u_long)s32p->disklab;
    115      1.1      mrg 	p->part = (struct partition *)(u_long)s32p->part;
    116      1.1      mrg }
    117      1.1      mrg 
    118      1.6      mrg static __inline void
    119      1.7      eeh netbsd32_to_format_op(s32p, p, cmd)
    120      1.2      mrg 	struct netbsd32_format_op *s32p;
    121      1.1      mrg 	struct format_op *p;
    122      1.7      eeh 	u_long cmd;
    123      1.1      mrg {
    124      1.1      mrg 
    125      1.1      mrg 	p->df_buf = (char *)(u_long)s32p->df_buf;
    126      1.1      mrg 	p->df_count = s32p->df_count;
    127      1.1      mrg 	p->df_startblk = s32p->df_startblk;
    128      1.1      mrg 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
    129      1.1      mrg }
    130      1.1      mrg 
    131      1.1      mrg #if 0 /* XXX see below */
    132      1.6      mrg static __inline void
    133      1.2      mrg netbsd32_to_ifreq(s32p, p, cmd)
    134      1.2      mrg 	struct netbsd32_ifreq *s32p;
    135      1.1      mrg 	struct ifreq *p;
    136      1.1      mrg 	u_long cmd;	/* XXX unused yet */
    137      1.1      mrg {
    138      1.1      mrg 
    139      1.1      mrg 	/*
    140      1.1      mrg 	 * XXX
    141      1.1      mrg 	 * struct ifreq says the same, but sometimes the ifr_data
    142      1.1      mrg 	 * union member needs to be converted to 64 bits... this
    143      1.1      mrg 	 * is very driver specific and so we ignore it for now..
    144      1.1      mrg 	 */
    145      1.1      mrg 	memcpy(p, s32p, sizeof *s32p);
    146      1.1      mrg }
    147      1.1      mrg #endif
    148      1.1      mrg 
    149      1.6      mrg static __inline void
    150      1.7      eeh netbsd32_to_ifconf(s32p, p, cmd)
    151      1.2      mrg 	struct netbsd32_ifconf *s32p;
    152      1.1      mrg 	struct ifconf *p;
    153      1.7      eeh 	u_long cmd;
    154      1.1      mrg {
    155      1.1      mrg 
    156      1.1      mrg 	p->ifc_len = s32p->ifc_len;
    157      1.1      mrg 	/* ifc_buf & ifc_req are the same size so this works */
    158      1.1      mrg 	p->ifc_buf = (caddr_t)(u_long)s32p->ifc_buf;
    159      1.1      mrg }
    160      1.1      mrg 
    161      1.6      mrg static __inline void
    162      1.7      eeh netbsd32_to_ifmediareq(s32p, p, cmd)
    163      1.2      mrg 	struct netbsd32_ifmediareq *s32p;
    164      1.1      mrg 	struct ifmediareq *p;
    165      1.7      eeh 	u_long cmd;
    166      1.1      mrg {
    167      1.1      mrg 
    168      1.1      mrg 	memcpy(p, s32p, sizeof *s32p);
    169      1.1      mrg 	p->ifm_ulist = (int *)(u_long)s32p->ifm_ulist;
    170      1.1      mrg }
    171      1.1      mrg 
    172      1.6      mrg static __inline void
    173      1.7      eeh netbsd32_to_ifdrv(s32p, p, cmd)
    174      1.2      mrg 	struct netbsd32_ifdrv *s32p;
    175      1.1      mrg 	struct ifdrv *p;
    176      1.7      eeh 	u_long cmd;
    177      1.1      mrg {
    178      1.1      mrg 
    179      1.1      mrg 	memcpy(p, s32p, sizeof *s32p);
    180      1.1      mrg 	p->ifd_data = (void *)(u_long)s32p->ifd_data;
    181      1.1      mrg }
    182      1.1      mrg 
    183      1.6      mrg static __inline void
    184      1.7      eeh netbsd32_to_sioc_vif_req(s32p, p, cmd)
    185      1.2      mrg 	struct netbsd32_sioc_vif_req *s32p;
    186      1.1      mrg 	struct sioc_vif_req *p;
    187      1.7      eeh 	u_long cmd;
    188      1.1      mrg {
    189      1.1      mrg 
    190      1.1      mrg 	p->vifi = s32p->vifi;
    191      1.1      mrg 	p->icount = (u_long)s32p->icount;
    192      1.1      mrg 	p->ocount = (u_long)s32p->ocount;
    193      1.1      mrg 	p->ibytes = (u_long)s32p->ibytes;
    194      1.1      mrg 	p->obytes = (u_long)s32p->obytes;
    195      1.1      mrg }
    196      1.1      mrg 
    197      1.6      mrg static __inline void
    198      1.7      eeh netbsd32_to_sioc_sg_req(s32p, p, cmd)
    199      1.2      mrg 	struct netbsd32_sioc_sg_req *s32p;
    200      1.1      mrg 	struct sioc_sg_req *p;
    201      1.7      eeh 	u_long cmd;
    202      1.1      mrg {
    203      1.1      mrg 
    204      1.1      mrg 	p->src = s32p->src;
    205      1.1      mrg 	p->grp = s32p->grp;
    206      1.1      mrg 	p->pktcnt = (u_long)s32p->pktcnt;
    207      1.1      mrg 	p->bytecnt = (u_long)s32p->bytecnt;
    208      1.1      mrg 	p->wrong_if = (u_long)s32p->wrong_if;
    209      1.1      mrg }
    210      1.1      mrg 
    211      1.1      mrg /*
    212  1.8.2.4  nathanw  * handle ioctl conversions from 64-bit kernel -> netbsd32
    213      1.1      mrg  */
    214      1.1      mrg 
    215      1.6      mrg static __inline void
    216      1.7      eeh netbsd32_from_partinfo(p, s32p)
    217      1.7      eeh 	struct partinfo *p;
    218      1.7      eeh 	struct netbsd32_partinfo *s32p;
    219      1.7      eeh {
    220      1.7      eeh 
    221      1.7      eeh 	s32p->disklab = (netbsd32_disklabel_tp_t)(u_long)p->disklab;
    222      1.7      eeh 	s32p->part = s32p->part;
    223      1.7      eeh }
    224      1.7      eeh 
    225      1.7      eeh static __inline void
    226      1.2      mrg netbsd32_from_format_op(p, s32p)
    227      1.1      mrg 	struct format_op *p;
    228      1.2      mrg 	struct netbsd32_format_op *s32p;
    229      1.1      mrg {
    230      1.1      mrg 
    231      1.1      mrg /* filled in */
    232      1.1      mrg #if 0
    233      1.2      mrg 	s32p->df_buf = (netbsd32_charp)p->df_buf;
    234      1.1      mrg #endif
    235      1.1      mrg 	s32p->df_count = p->df_count;
    236      1.1      mrg 	s32p->df_startblk = p->df_startblk;
    237      1.1      mrg 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
    238      1.1      mrg }
    239      1.1      mrg 
    240      1.1      mrg #if 0 /* XXX see below */
    241      1.6      mrg static __inline void
    242      1.2      mrg netbsd32_from_ifreq(p, s32p, cmd)
    243      1.1      mrg 	struct ifreq *p;
    244      1.2      mrg 	struct netbsd32_ifreq *s32p;
    245      1.1      mrg 	u_long cmd;	/* XXX unused yet */
    246      1.1      mrg {
    247      1.1      mrg 
    248      1.1      mrg 	/*
    249      1.1      mrg 	 * XXX
    250      1.1      mrg 	 * struct ifreq says the same, but sometimes the ifr_data
    251      1.1      mrg 	 * union member needs to be converted to 64 bits... this
    252      1.1      mrg 	 * is very driver specific and so we ignore it for now..
    253      1.1      mrg 	 */
    254      1.1      mrg 	*s32p = *p;
    255      1.1      mrg }
    256      1.1      mrg #endif
    257      1.1      mrg 
    258      1.6      mrg static __inline void
    259      1.2      mrg netbsd32_from_ifconf(p, s32p)
    260      1.1      mrg 	struct ifconf *p;
    261      1.2      mrg 	struct netbsd32_ifconf *s32p;
    262      1.1      mrg {
    263      1.1      mrg 
    264      1.1      mrg 	s32p->ifc_len = p->ifc_len;
    265      1.1      mrg 	/* ifc_buf & ifc_req are the same size so this works */
    266      1.2      mrg 	s32p->ifc_buf = (netbsd32_caddr_t)(u_long)p->ifc_buf;
    267      1.1      mrg }
    268      1.1      mrg 
    269      1.6      mrg static __inline void
    270      1.2      mrg netbsd32_from_ifmediareq(p, s32p)
    271      1.1      mrg 	struct ifmediareq *p;
    272      1.2      mrg 	struct netbsd32_ifmediareq *s32p;
    273      1.1      mrg {
    274      1.1      mrg 
    275      1.1      mrg 	memcpy(s32p, p, sizeof *p);
    276      1.1      mrg /* filled in? */
    277      1.1      mrg #if 0
    278      1.2      mrg 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
    279      1.1      mrg #endif
    280      1.1      mrg }
    281      1.1      mrg 
    282      1.6      mrg static __inline void
    283      1.2      mrg netbsd32_from_ifdrv(p, s32p)
    284      1.1      mrg 	struct ifdrv *p;
    285      1.2      mrg 	struct netbsd32_ifdrv *s32p;
    286      1.1      mrg {
    287      1.1      mrg 
    288      1.1      mrg 	memcpy(s32p, p, sizeof *p);
    289      1.1      mrg /* filled in? */
    290      1.1      mrg #if 0
    291      1.2      mrg 	s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
    292      1.1      mrg #endif
    293      1.1      mrg }
    294      1.1      mrg 
    295      1.6      mrg static __inline void
    296      1.2      mrg netbsd32_from_sioc_vif_req(p, s32p)
    297      1.1      mrg 	struct sioc_vif_req *p;
    298      1.2      mrg 	struct netbsd32_sioc_vif_req *s32p;
    299      1.1      mrg {
    300      1.1      mrg 
    301      1.1      mrg 	s32p->vifi = p->vifi;
    302      1.2      mrg 	s32p->icount = (netbsd32_u_long)p->icount;
    303      1.2      mrg 	s32p->ocount = (netbsd32_u_long)p->ocount;
    304      1.2      mrg 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
    305      1.2      mrg 	s32p->obytes = (netbsd32_u_long)p->obytes;
    306      1.1      mrg }
    307      1.1      mrg 
    308      1.6      mrg static __inline void
    309      1.2      mrg netbsd32_from_sioc_sg_req(p, s32p)
    310      1.1      mrg 	struct sioc_sg_req *p;
    311      1.2      mrg 	struct netbsd32_sioc_sg_req *s32p;
    312      1.1      mrg {
    313      1.1      mrg 
    314      1.1      mrg 	s32p->src = p->src;
    315      1.1      mrg 	s32p->grp = p->grp;
    316      1.2      mrg 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
    317      1.2      mrg 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
    318      1.2      mrg 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
    319      1.1      mrg }
    320      1.1      mrg 
    321      1.1      mrg 
    322      1.1      mrg /*
    323      1.1      mrg  * main ioctl syscall.
    324      1.1      mrg  *
    325      1.1      mrg  * ok, here we are in the biggy.  we have to do fix ups depending
    326      1.1      mrg  * on the ioctl command before and afterwards.
    327      1.1      mrg  */
    328      1.1      mrg int
    329      1.4      eeh netbsd32_ioctl(p, v, retval)
    330      1.1      mrg 	struct proc *p;
    331      1.1      mrg 	void *v;
    332      1.1      mrg 	register_t *retval;
    333      1.1      mrg {
    334      1.4      eeh 	struct netbsd32_ioctl_args /* {
    335      1.1      mrg 		syscallarg(int) fd;
    336      1.2      mrg 		syscallarg(netbsd32_u_long) com;
    337      1.2      mrg 		syscallarg(netbsd32_voidp) data;
    338      1.1      mrg 	} */ *uap = v;
    339      1.7      eeh 	struct file *fp;
    340      1.7      eeh 	struct filedesc *fdp;
    341      1.7      eeh 	u_long com;
    342      1.7      eeh 	int error = 0;
    343      1.7      eeh 	u_int size, size32;
    344      1.7      eeh 	caddr_t data, memp = NULL;
    345      1.7      eeh 	caddr_t data32, memp32 = NULL;
    346      1.7      eeh 	int tmp;
    347      1.7      eeh #define STK_PARAMS	128
    348      1.7      eeh 	u_long stkbuf[STK_PARAMS/sizeof(u_long)];
    349      1.7      eeh 	u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
    350      1.1      mrg 
    351      1.1      mrg 	/*
    352      1.1      mrg 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
    353      1.1      mrg 	 * some after (_IOR), and some both (_IOWR).
    354      1.1      mrg 	 */
    355      1.5      eeh #if 0
    356      1.5      eeh 	{
    357      1.5      eeh char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
    358      1.5      eeh 		"INOUT", "VOID|IN|OUT!" };
    359      1.5      eeh 
    360      1.5      eeh printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n",
    361      1.5      eeh        SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data),
    362      1.5      eeh        dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
    363      1.5      eeh        IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
    364      1.5      eeh        IOCPARM_LEN(SCARG(uap, com)));
    365      1.5      eeh 	}
    366      1.5      eeh #endif
    367      1.1      mrg 
    368      1.7      eeh 	fdp = p->p_fd;
    369  1.8.2.1  nathanw 	if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
    370      1.7      eeh 		return (EBADF);
    371      1.7      eeh 
    372      1.7      eeh 	FILE_USE(fp);
    373      1.7      eeh 
    374      1.7      eeh 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
    375      1.7      eeh 		error = EBADF;
    376      1.7      eeh 		goto out;
    377      1.7      eeh 	}
    378      1.7      eeh 
    379      1.7      eeh 	switch (com = SCARG(uap, com)) {
    380      1.7      eeh 	case FIONCLEX:
    381      1.7      eeh 		fdp->fd_ofileflags[SCARG(uap, fd)] &= ~UF_EXCLOSE;
    382      1.7      eeh 		goto out;
    383      1.7      eeh 
    384      1.7      eeh 	case FIOCLEX:
    385      1.7      eeh 		fdp->fd_ofileflags[SCARG(uap, fd)] |= UF_EXCLOSE;
    386      1.7      eeh 		goto out;
    387      1.7      eeh 	}
    388      1.7      eeh 
    389      1.7      eeh 	/*
    390      1.7      eeh 	 * Interpret high order word to find amount of data to be
    391      1.7      eeh 	 * copied to/from the user's address space.
    392      1.7      eeh 	 */
    393      1.7      eeh 	size32 = IOCPARM_LEN(com);
    394      1.7      eeh 	if (size32 > IOCPARM_MAX) {
    395      1.7      eeh 		error = ENOTTY;
    396      1.7      eeh 		goto out;
    397      1.7      eeh 	}
    398      1.7      eeh 	memp = NULL;
    399      1.7      eeh 	if (size32 > sizeof(stkbuf)) {
    400      1.7      eeh 		memp32 = (caddr_t)malloc((u_long)size32, M_IOCTLOPS, M_WAITOK);
    401      1.7      eeh 		data32 = memp32;
    402      1.7      eeh 	} else
    403      1.7      eeh 		data32 = (caddr_t)stkbuf32;
    404      1.7      eeh 	if (com&IOC_IN) {
    405      1.7      eeh 		if (size32) {
    406      1.7      eeh 			error = copyin((caddr_t)(u_long)SCARG(uap, data),
    407      1.7      eeh 				       data32, size32);
    408      1.7      eeh 			if (error) {
    409      1.7      eeh 				if (memp32)
    410      1.7      eeh 					free(memp32, M_IOCTLOPS);
    411      1.7      eeh 				goto out;
    412      1.7      eeh 			}
    413      1.7      eeh 		} else
    414      1.7      eeh 			*(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data);
    415      1.7      eeh 	} else if ((com&IOC_OUT) && size32)
    416      1.7      eeh 		/*
    417      1.7      eeh 		 * Zero the buffer so the user always
    418      1.7      eeh 		 * gets back something deterministic.
    419      1.7      eeh 		 */
    420      1.7      eeh 		memset(data32, 0, size32);
    421      1.7      eeh 	else if (com&IOC_VOID)
    422      1.8      eeh 		*(caddr_t *)data32 = (caddr_t)(u_long)SCARG(uap, data);
    423      1.7      eeh 
    424      1.1      mrg 	/*
    425      1.1      mrg 	 * convert various structures, pointers, and other objects that
    426      1.1      mrg 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
    427      1.1      mrg 	 */
    428      1.1      mrg 	switch (SCARG(uap, com)) {
    429      1.7      eeh 	case FIONBIO:
    430      1.8      eeh 		if ((tmp = *(int *)data32) != 0)
    431      1.7      eeh 			fp->f_flag |= FNONBLOCK;
    432      1.7      eeh 		else
    433      1.7      eeh 			fp->f_flag &= ~FNONBLOCK;
    434      1.7      eeh 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (caddr_t)&tmp, p);
    435      1.7      eeh 		break;
    436      1.7      eeh 
    437      1.7      eeh 	case FIOASYNC:
    438      1.8      eeh 		if ((tmp = *(int *)data32) != 0)
    439      1.7      eeh 			fp->f_flag |= FASYNC;
    440      1.7      eeh 		else
    441      1.7      eeh 			fp->f_flag &= ~FASYNC;
    442      1.7      eeh 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (caddr_t)&tmp, p);
    443      1.7      eeh 		break;
    444      1.7      eeh 
    445      1.7      eeh 	case FIOSETOWN:
    446      1.8      eeh 		tmp = *(int *)data32;
    447      1.7      eeh 		if (fp->f_type == DTYPE_SOCKET) {
    448      1.7      eeh 			((struct socket *)fp->f_data)->so_pgid = tmp;
    449      1.7      eeh 			error = 0;
    450      1.7      eeh 			break;
    451      1.7      eeh 		}
    452      1.7      eeh 		if (tmp <= 0) {
    453      1.7      eeh 			tmp = -tmp;
    454      1.7      eeh 		} else {
    455      1.7      eeh 			struct proc *p1 = pfind(tmp);
    456      1.7      eeh 			if (p1 == 0) {
    457      1.7      eeh 				error = ESRCH;
    458      1.7      eeh 				break;
    459      1.7      eeh 			}
    460      1.7      eeh 			tmp = p1->p_pgrp->pg_id;
    461      1.7      eeh 		}
    462      1.7      eeh 		error = (*fp->f_ops->fo_ioctl)
    463      1.7      eeh 			(fp, TIOCSPGRP, (caddr_t)&tmp, p);
    464      1.7      eeh 		break;
    465      1.7      eeh 
    466      1.7      eeh 	case FIOGETOWN:
    467      1.7      eeh 		if (fp->f_type == DTYPE_SOCKET) {
    468      1.7      eeh 			error = 0;
    469      1.8      eeh 			*(int *)data32 = ((struct socket *)fp->f_data)->so_pgid;
    470      1.7      eeh 			break;
    471      1.7      eeh 		}
    472      1.8      eeh 		error = (*fp->f_ops->fo_ioctl)(fp, TIOCGPGRP, data32, p);
    473      1.8      eeh 		*(int *)data32 = -*(int *)data32;
    474      1.1      mrg 		break;
    475      1.1      mrg 
    476      1.7      eeh 	case DIOCGPART32:
    477      1.7      eeh 		IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
    478      1.7      eeh 
    479      1.7      eeh 	case DIOCRFORMAT32:
    480      1.7      eeh 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
    481      1.7      eeh 	case DIOCWFORMAT32:
    482      1.7      eeh 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
    483      1.1      mrg 
    484      1.1      mrg /*
    485      1.1      mrg  * only a few ifreq syscalls need conversion and those are
    486      1.1      mrg  * all driver specific... XXX
    487      1.1      mrg  */
    488      1.1      mrg #if 0
    489      1.7      eeh 	case SIOCGADDRROM3232:
    490      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
    491      1.7      eeh 	case SIOCGCHIPID32:
    492      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
    493      1.7      eeh 	case SIOCSIFADDR32:
    494      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
    495      1.7      eeh 	case OSIOCGIFADDR32:
    496      1.7      eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
    497      1.7      eeh 	case SIOCGIFADDR32:
    498      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
    499      1.7      eeh 	case SIOCSIFDSTADDR32:
    500      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
    501      1.7      eeh 	case OSIOCGIFDSTADDR32:
    502      1.7      eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
    503      1.7      eeh 	case SIOCGIFDSTADDR32:
    504      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
    505      1.7      eeh 	case SIOCSIFFLAGS32:
    506      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
    507      1.7      eeh 	case SIOCGIFFLAGS32:
    508      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
    509      1.7      eeh 	case OSIOCGIFBRDADDR32:
    510      1.7      eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
    511      1.7      eeh 	case SIOCGIFBRDADDR32:
    512      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
    513      1.7      eeh 	case SIOCSIFBRDADDR32:
    514      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
    515      1.7      eeh 	case OSIOCGIFNETMASK32:
    516      1.7      eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
    517      1.7      eeh 	case SIOCGIFNETMASK32:
    518      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
    519      1.7      eeh 	case SIOCSIFNETMASK32:
    520      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
    521      1.7      eeh 	case SIOCGIFMETRIC32:
    522      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
    523      1.7      eeh 	case SIOCSIFMETRIC32:
    524      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
    525      1.7      eeh 	case SIOCDIFADDR32:
    526      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
    527      1.7      eeh 	case SIOCADDMULTI32:
    528      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
    529      1.7      eeh 	case SIOCDELMULTI32:
    530      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
    531      1.7      eeh 	case SIOCSIFMEDIA32:
    532      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
    533      1.7      eeh 	case SIOCSIFMTU32:
    534      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
    535      1.7      eeh 	case SIOCGIFMTU32:
    536      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
    537      1.7      eeh 	case SIOCSIFASYNCMAP32:
    538      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFASYNCMAP, ifreq);
    539      1.7      eeh 	case SIOCGIFASYNCMAP32:
    540      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFASYNCMAP, ifreq);
    541      1.7      eeh /*		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq); READ ONLY */
    542      1.7      eeh 	case BIOCSETIF32:
    543      1.7      eeh 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
    544      1.7      eeh 	case SIOCPHASE132:
    545      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
    546      1.7      eeh 	case SIOCPHASE232:
    547      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
    548      1.1      mrg #endif
    549      1.1      mrg 
    550      1.7      eeh 	case OSIOCGIFCONF32:
    551      1.7      eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
    552      1.7      eeh 	case SIOCGIFCONF32:
    553      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
    554      1.7      eeh 
    555      1.7      eeh 	case SIOCGIFMEDIA32:
    556      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
    557      1.1      mrg 
    558      1.7      eeh 	case SIOCSDRVSPEC32:
    559      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
    560      1.1      mrg 
    561      1.7      eeh 	case SIOCGETVIFCNT32:
    562      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
    563      1.1      mrg 
    564      1.7      eeh 	case SIOCGETSGCNT32:
    565      1.7      eeh 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
    566      1.1      mrg 
    567      1.7      eeh 	default:
    568  1.8.2.4  nathanw #ifdef NETBSD32_MD_IOCTL
    569  1.8.2.4  nathanw 		error = netbsd32_md_ioctl(fp, com, data32, p);
    570  1.8.2.4  nathanw #else
    571      1.7      eeh 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32, p);
    572  1.8.2.4  nathanw #endif
    573      1.1      mrg 		break;
    574      1.1      mrg 	}
    575      1.1      mrg 
    576      1.1      mrg 	/*
    577      1.7      eeh 	 * Copy any data to user, size was
    578      1.7      eeh 	 * already set and checked above.
    579      1.1      mrg 	 */
    580      1.7      eeh 	if (error == 0 && (com&IOC_OUT) && size32)
    581      1.7      eeh 		error = copyout(data32, (caddr_t)(u_long)SCARG(uap, data), size32);
    582      1.1      mrg 
    583      1.1      mrg 	/* if we malloced data, free it here */
    584      1.7      eeh 	if (memp32)
    585      1.7      eeh 		free(memp32, M_IOCTLOPS);
    586      1.7      eeh 	if (memp)
    587      1.7      eeh 		free(memp, M_IOCTLOPS);
    588      1.7      eeh 
    589      1.7      eeh  out:
    590      1.7      eeh 	FILE_UNUSE(fp, p);
    591      1.7      eeh 	return (error);
    592      1.1      mrg }
    593