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netbsd32_ioctl.c revision 1.41.12.1
      1  1.41.12.1       jym /*	$NetBSD: netbsd32_ioctl.c,v 1.41.12.1 2009/07/23 23:31:43 jym Exp $	*/
      2        1.1       mrg 
      3        1.1       mrg /*
      4       1.11       mrg  * 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  *
     16        1.1       mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17        1.1       mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18        1.1       mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19        1.1       mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20        1.1       mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21        1.1       mrg  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22        1.1       mrg  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23        1.1       mrg  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24        1.1       mrg  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25        1.1       mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26        1.1       mrg  * SUCH DAMAGE.
     27        1.1       mrg  */
     28        1.1       mrg 
     29        1.1       mrg /*
     30       1.14       mrg  * handle ioctl conversions from netbsd32 -> 64-bit kernel
     31        1.1       mrg  */
     32       1.13     lukem 
     33       1.13     lukem #include <sys/cdefs.h>
     34  1.41.12.1       jym __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.41.12.1 2009/07/23 23:31:43 jym Exp $");
     35        1.1       mrg 
     36        1.1       mrg #include <sys/param.h>
     37        1.1       mrg #include <sys/systm.h>
     38        1.7       eeh #include <sys/filedesc.h>
     39        1.7       eeh #include <sys/ioctl.h>
     40        1.7       eeh #include <sys/file.h>
     41        1.7       eeh #include <sys/proc.h>
     42        1.7       eeh #include <sys/socketvar.h>
     43        1.1       mrg #include <sys/audioio.h>
     44        1.1       mrg #include <sys/disklabel.h>
     45        1.1       mrg #include <sys/dkio.h>
     46        1.1       mrg #include <sys/malloc.h>
     47        1.1       mrg #include <sys/sockio.h>
     48        1.1       mrg #include <sys/socket.h>
     49        1.1       mrg #include <sys/ttycom.h>
     50        1.1       mrg #include <sys/mount.h>
     51        1.1       mrg #include <sys/syscallargs.h>
     52       1.33     njoly #include <sys/ktrace.h>
     53       1.38        ad #include <sys/kmem.h>
     54        1.1       mrg 
     55       1.10      fvdl #ifdef __sparc__
     56       1.12   thorpej #include <dev/sun/fbio.h>
     57        1.1       mrg #include <machine/openpromio.h>
     58       1.10      fvdl #endif
     59        1.1       mrg 
     60        1.1       mrg #include <net/if.h>
     61        1.1       mrg #include <net/route.h>
     62        1.1       mrg 
     63        1.1       mrg #include <netinet/in.h>
     64        1.1       mrg #include <netinet/in_var.h>
     65        1.1       mrg #include <netinet/igmp.h>
     66        1.1       mrg #include <netinet/igmp_var.h>
     67        1.1       mrg #include <netinet/ip_mroute.h>
     68        1.1       mrg 
     69       1.34  christos #include <compat/sys/sockio.h>
     70       1.34  christos 
     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       1.25     perry static inline void netbsd32_to_partinfo(struct netbsd32_partinfo *,
     77       1.22       mrg 					  struct partinfo *, u_long);
     78       1.17      fvdl #if 0
     79       1.25     perry static inline void netbsd32_to_format_op(struct netbsd32_format_op *,
     80       1.22       mrg 					   struct format_op *, u_long);
     81       1.17      fvdl #endif
     82       1.25     perry static inline void netbsd32_to_ifreq(struct netbsd32_ifreq *, struct ifreq *,
     83       1.22       mrg 				       u_long cmd);
     84       1.25     perry static inline void netbsd32_to_ifconf(struct netbsd32_ifconf *,
     85       1.22       mrg 					struct ifconf *, u_long);
     86       1.25     perry static inline void netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *,
     87       1.22       mrg 					    struct ifmediareq *, u_long);
     88       1.25     perry static inline void netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *,
     89       1.22       mrg 				       u_long);
     90       1.25     perry static inline void netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *,
     91       1.22       mrg 					      struct sioc_vif_req *, u_long);
     92       1.25     perry static inline void netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *,
     93       1.22       mrg 					     struct sioc_sg_req *, u_long);
     94       1.25     perry static inline void netbsd32_from_partinfo(struct partinfo *,
     95       1.22       mrg 					    struct netbsd32_partinfo *, u_long);
     96       1.17      fvdl #if 0
     97       1.25     perry static inline void netbsd32_from_format_op(struct format_op *,
     98       1.22       mrg 					     struct netbsd32_format_op *,
     99       1.22       mrg 					     u_long);
    100       1.22       mrg #endif
    101       1.25     perry static inline void netbsd32_from_ifreq(struct ifreq *,
    102       1.22       mrg                                          struct netbsd32_ifreq *, u_long);
    103       1.25     perry static inline void netbsd32_from_ifconf(struct ifconf *,
    104       1.22       mrg 					  struct netbsd32_ifconf *, u_long);
    105       1.25     perry static inline void netbsd32_from_ifmediareq(struct ifmediareq *,
    106       1.22       mrg 					      struct netbsd32_ifmediareq *,
    107       1.22       mrg 					      u_long);
    108       1.25     perry static inline void netbsd32_from_ifdrv(struct ifdrv *,
    109       1.22       mrg 					 struct netbsd32_ifdrv *, u_long);
    110       1.25     perry static inline void netbsd32_from_sioc_vif_req(struct sioc_vif_req *,
    111       1.22       mrg 						struct netbsd32_sioc_vif_req *,
    112       1.22       mrg 						u_long);
    113       1.25     perry static inline void netbsd32_from_sioc_sg_req(struct sioc_sg_req *,
    114       1.22       mrg 					       struct netbsd32_sioc_sg_req *,
    115       1.22       mrg 					       u_long);
    116        1.6       mrg 
    117        1.6       mrg /* convert to/from different structures */
    118        1.6       mrg 
    119       1.25     perry static inline void
    120       1.36       dsl netbsd32_to_partinfo(struct netbsd32_partinfo *s32p, struct partinfo *p, u_long cmd)
    121        1.1       mrg {
    122        1.1       mrg 
    123       1.15       scw 	p->disklab = (struct disklabel *)NETBSD32PTR64(s32p->disklab);
    124       1.15       scw 	p->part = (struct partition *)NETBSD32PTR64(s32p->part);
    125        1.1       mrg }
    126        1.1       mrg 
    127       1.17      fvdl #if 0
    128       1.25     perry static inline void
    129       1.36       dsl netbsd32_to_format_op(struct netbsd32_format_op *s32p, struct format_op *p, u_long cmd)
    130        1.1       mrg {
    131        1.1       mrg 
    132       1.15       scw 	p->df_buf = (char *)NETBSD32PTR64(s32p->df_buf);
    133        1.1       mrg 	p->df_count = s32p->df_count;
    134        1.1       mrg 	p->df_startblk = s32p->df_startblk;
    135        1.1       mrg 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
    136        1.1       mrg }
    137       1.17      fvdl #endif
    138        1.1       mrg 
    139       1.25     perry static inline void
    140       1.36       dsl netbsd32_to_ifreq(struct netbsd32_ifreq *s32p, struct ifreq *p, u_long cmd)
    141        1.1       mrg {
    142        1.1       mrg 
    143       1.22       mrg 	memcpy(p, s32p, sizeof *s32p);
    144        1.1       mrg 	/*
    145        1.1       mrg 	 * XXX
    146        1.1       mrg 	 * struct ifreq says the same, but sometimes the ifr_data
    147        1.1       mrg 	 * union member needs to be converted to 64 bits... this
    148        1.1       mrg 	 * is very driver specific and so we ignore it for now..
    149        1.1       mrg 	 */
    150       1.22       mrg 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
    151       1.29  christos 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
    152        1.1       mrg }
    153        1.1       mrg 
    154       1.25     perry static inline void
    155       1.36       dsl netbsd32_to_ifconf(struct netbsd32_ifconf *s32p, struct ifconf *p, u_long cmd)
    156        1.1       mrg {
    157        1.1       mrg 
    158        1.1       mrg 	p->ifc_len = s32p->ifc_len;
    159        1.1       mrg 	/* ifc_buf & ifc_req are the same size so this works */
    160       1.29  christos 	p->ifc_buf = (void *)NETBSD32PTR64(s32p->ifc_buf);
    161        1.1       mrg }
    162        1.1       mrg 
    163       1.25     perry static inline void
    164       1.36       dsl netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *s32p, struct ifmediareq *p, u_long cmd)
    165        1.1       mrg {
    166        1.1       mrg 
    167        1.1       mrg 	memcpy(p, s32p, sizeof *s32p);
    168       1.15       scw 	p->ifm_ulist = (int *)NETBSD32PTR64(s32p->ifm_ulist);
    169        1.1       mrg }
    170        1.1       mrg 
    171       1.25     perry static inline void
    172       1.36       dsl netbsd32_to_ifdrv(struct netbsd32_ifdrv *s32p, struct ifdrv *p, u_long cmd)
    173        1.1       mrg {
    174        1.1       mrg 
    175        1.1       mrg 	memcpy(p, s32p, sizeof *s32p);
    176       1.15       scw 	p->ifd_data = (void *)NETBSD32PTR64(s32p->ifd_data);
    177        1.1       mrg }
    178        1.1       mrg 
    179       1.25     perry static inline void
    180       1.36       dsl netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *s32p, struct sioc_vif_req *p, u_long cmd)
    181        1.1       mrg {
    182        1.1       mrg 
    183        1.1       mrg 	p->vifi = s32p->vifi;
    184        1.1       mrg 	p->icount = (u_long)s32p->icount;
    185        1.1       mrg 	p->ocount = (u_long)s32p->ocount;
    186        1.1       mrg 	p->ibytes = (u_long)s32p->ibytes;
    187        1.1       mrg 	p->obytes = (u_long)s32p->obytes;
    188        1.1       mrg }
    189        1.1       mrg 
    190       1.25     perry static inline void
    191       1.36       dsl netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *s32p, struct sioc_sg_req *p, u_long cmd)
    192        1.1       mrg {
    193        1.1       mrg 
    194        1.1       mrg 	p->src = s32p->src;
    195        1.1       mrg 	p->grp = s32p->grp;
    196        1.1       mrg 	p->pktcnt = (u_long)s32p->pktcnt;
    197        1.1       mrg 	p->bytecnt = (u_long)s32p->bytecnt;
    198        1.1       mrg 	p->wrong_if = (u_long)s32p->wrong_if;
    199        1.1       mrg }
    200        1.1       mrg 
    201        1.1       mrg /*
    202       1.14       mrg  * handle ioctl conversions from 64-bit kernel -> netbsd32
    203        1.1       mrg  */
    204        1.1       mrg 
    205       1.25     perry static inline void
    206       1.36       dsl netbsd32_from_partinfo(struct partinfo *p, struct netbsd32_partinfo *s32p, u_long cmd)
    207        1.7       eeh {
    208        1.7       eeh 
    209       1.31       dsl 	NETBSD32PTR32(s32p->disklab, p->disklab);
    210       1.31       dsl 	NETBSD32PTR32(s32p->part, p->part);
    211        1.7       eeh }
    212        1.7       eeh 
    213       1.17      fvdl #if 0
    214       1.25     perry static inline void
    215       1.36       dsl netbsd32_from_format_op(struct format_op *p, struct netbsd32_format_op *s32p, u_long cmd)
    216        1.1       mrg {
    217        1.1       mrg 
    218        1.1       mrg /* filled in */
    219        1.1       mrg #if 0
    220        1.2       mrg 	s32p->df_buf = (netbsd32_charp)p->df_buf;
    221        1.1       mrg #endif
    222        1.1       mrg 	s32p->df_count = p->df_count;
    223        1.1       mrg 	s32p->df_startblk = p->df_startblk;
    224        1.1       mrg 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
    225        1.1       mrg }
    226       1.17      fvdl #endif
    227        1.1       mrg 
    228       1.25     perry static inline void
    229       1.36       dsl netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd)
    230        1.1       mrg {
    231        1.1       mrg 
    232        1.1       mrg 	/*
    233        1.1       mrg 	 * XXX
    234        1.1       mrg 	 * struct ifreq says the same, but sometimes the ifr_data
    235        1.1       mrg 	 * union member needs to be converted to 64 bits... this
    236        1.1       mrg 	 * is very driver specific and so we ignore it for now..
    237        1.1       mrg 	 */
    238       1.22       mrg 	*s32p->ifr_name = *p->ifr_name;
    239       1.22       mrg 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
    240       1.31       dsl 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
    241        1.1       mrg }
    242        1.1       mrg 
    243       1.25     perry static inline void
    244       1.36       dsl netbsd32_from_ifconf(struct ifconf *p, struct netbsd32_ifconf *s32p, u_long cmd)
    245        1.1       mrg {
    246        1.1       mrg 
    247        1.1       mrg 	s32p->ifc_len = p->ifc_len;
    248        1.1       mrg 	/* ifc_buf & ifc_req are the same size so this works */
    249       1.31       dsl 	NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf);
    250        1.1       mrg }
    251        1.1       mrg 
    252       1.25     perry static inline void
    253       1.36       dsl netbsd32_from_ifmediareq(struct ifmediareq *p, struct netbsd32_ifmediareq *s32p, u_long cmd)
    254        1.1       mrg {
    255        1.1       mrg 
    256        1.1       mrg 	memcpy(s32p, p, sizeof *p);
    257        1.1       mrg /* filled in? */
    258        1.1       mrg #if 0
    259        1.2       mrg 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
    260        1.1       mrg #endif
    261        1.1       mrg }
    262        1.1       mrg 
    263       1.25     perry static inline void
    264       1.36       dsl netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd)
    265        1.1       mrg {
    266        1.1       mrg 
    267        1.1       mrg 	memcpy(s32p, p, sizeof *p);
    268        1.1       mrg /* filled in? */
    269        1.1       mrg #if 0
    270        1.2       mrg 	s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
    271        1.1       mrg #endif
    272        1.1       mrg }
    273        1.1       mrg 
    274       1.25     perry static inline void
    275       1.36       dsl netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, struct netbsd32_sioc_vif_req *s32p, u_long cmd)
    276        1.1       mrg {
    277        1.1       mrg 
    278        1.1       mrg 	s32p->vifi = p->vifi;
    279        1.2       mrg 	s32p->icount = (netbsd32_u_long)p->icount;
    280        1.2       mrg 	s32p->ocount = (netbsd32_u_long)p->ocount;
    281        1.2       mrg 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
    282        1.2       mrg 	s32p->obytes = (netbsd32_u_long)p->obytes;
    283        1.1       mrg }
    284        1.1       mrg 
    285       1.25     perry static inline void
    286       1.36       dsl netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, struct netbsd32_sioc_sg_req *s32p, u_long cmd)
    287        1.1       mrg {
    288        1.1       mrg 
    289        1.1       mrg 	s32p->src = p->src;
    290        1.1       mrg 	s32p->grp = p->grp;
    291        1.2       mrg 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
    292        1.2       mrg 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
    293        1.2       mrg 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
    294        1.1       mrg }
    295        1.1       mrg 
    296        1.1       mrg 
    297        1.1       mrg /*
    298        1.1       mrg  * main ioctl syscall.
    299        1.1       mrg  *
    300        1.1       mrg  * ok, here we are in the biggy.  we have to do fix ups depending
    301        1.1       mrg  * on the ioctl command before and afterwards.
    302        1.1       mrg  */
    303        1.1       mrg int
    304       1.37       dsl netbsd32_ioctl(struct lwp *l, const struct netbsd32_ioctl_args *uap, register_t *retval)
    305        1.1       mrg {
    306       1.37       dsl 	/* {
    307        1.1       mrg 		syscallarg(int) fd;
    308        1.2       mrg 		syscallarg(netbsd32_u_long) com;
    309        1.2       mrg 		syscallarg(netbsd32_voidp) data;
    310       1.37       dsl 	} */
    311       1.16   thorpej 	struct proc *p = l->l_proc;
    312        1.7       eeh 	struct file *fp;
    313        1.7       eeh 	struct filedesc *fdp;
    314        1.7       eeh 	u_long com;
    315        1.7       eeh 	int error = 0;
    316        1.7       eeh 	u_int size, size32;
    317       1.30  christos 	void *data, *memp = NULL;
    318       1.30  christos 	void *data32, *memp32 = NULL;
    319       1.38        ad 	unsigned fd;
    320       1.38        ad 	fdfile_t *ff;
    321        1.7       eeh 	int tmp;
    322        1.7       eeh #define STK_PARAMS	128
    323        1.7       eeh 	u_long stkbuf[STK_PARAMS/sizeof(u_long)];
    324        1.7       eeh 	u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
    325        1.1       mrg 
    326        1.1       mrg 	/*
    327        1.1       mrg 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
    328       1.23     perry 	 * some after (_IOR), and some both (_IOWR).
    329        1.1       mrg 	 */
    330        1.5       eeh #if 0
    331        1.5       eeh 	{
    332        1.5       eeh char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
    333        1.5       eeh 		"INOUT", "VOID|IN|OUT!" };
    334        1.5       eeh 
    335        1.5       eeh printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n",
    336        1.5       eeh        SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data),
    337        1.5       eeh        dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
    338        1.5       eeh        IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
    339        1.5       eeh        IOCPARM_LEN(SCARG(uap, com)));
    340        1.5       eeh 	}
    341        1.5       eeh #endif
    342        1.1       mrg 
    343        1.7       eeh 	fdp = p->p_fd;
    344       1.38        ad 	fd = SCARG(uap, fd);
    345       1.38        ad 	if ((fp = fd_getfile(fd)) == NULL)
    346        1.7       eeh 		return (EBADF);
    347        1.7       eeh 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
    348        1.7       eeh 		error = EBADF;
    349        1.7       eeh 		goto out;
    350        1.7       eeh 	}
    351        1.7       eeh 
    352  1.41.12.1       jym 	ff = fdp->fd_dt->dt_ff[SCARG(uap, fd)];
    353        1.7       eeh 	switch (com = SCARG(uap, com)) {
    354       1.41      matt 	case FIOCLEX:
    355       1.41      matt 		ff->ff_exclose = true;
    356       1.41      matt 		fdp->fd_exclose = true;
    357        1.7       eeh 		goto out;
    358        1.7       eeh 
    359       1.41      matt 	case FIONCLEX:
    360       1.41      matt 		ff->ff_exclose = false;
    361        1.7       eeh 		goto out;
    362        1.7       eeh 	}
    363        1.7       eeh 
    364        1.7       eeh 	/*
    365        1.7       eeh 	 * Interpret high order word to find amount of data to be
    366        1.7       eeh 	 * copied to/from the user's address space.
    367        1.7       eeh 	 */
    368       1.38        ad 	size = 0;
    369        1.7       eeh 	size32 = IOCPARM_LEN(com);
    370        1.7       eeh 	if (size32 > IOCPARM_MAX) {
    371        1.7       eeh 		error = ENOTTY;
    372        1.7       eeh 		goto out;
    373        1.7       eeh 	}
    374        1.7       eeh 	if (size32 > sizeof(stkbuf)) {
    375       1.38        ad 		memp32 = kmem_alloc((size_t)size32, KM_SLEEP);
    376        1.7       eeh 		data32 = memp32;
    377        1.7       eeh 	} else
    378       1.29  christos 		data32 = (void *)stkbuf32;
    379        1.7       eeh 	if (com&IOC_IN) {
    380        1.7       eeh 		if (size32) {
    381       1.32       dsl 			error = copyin(SCARG_P32(uap, data), data32, size32);
    382        1.7       eeh 			if (error) {
    383        1.7       eeh 				if (memp32)
    384       1.38        ad 					kmem_free(memp32, (size_t)size32);
    385        1.7       eeh 				goto out;
    386        1.7       eeh 			}
    387       1.38        ad 			ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data),
    388       1.35        ad 			    size32, 0);
    389        1.7       eeh 		} else
    390       1.32       dsl 			*(void **)data32 = SCARG_P32(uap, data);
    391        1.7       eeh 	} else if ((com&IOC_OUT) && size32)
    392        1.7       eeh 		/*
    393        1.7       eeh 		 * Zero the buffer so the user always
    394        1.7       eeh 		 * gets back something deterministic.
    395        1.7       eeh 		 */
    396        1.7       eeh 		memset(data32, 0, size32);
    397        1.7       eeh 	else if (com&IOC_VOID)
    398       1.32       dsl 		*(void **)data32 = SCARG_P32(uap, data);
    399        1.7       eeh 
    400        1.1       mrg 	/*
    401        1.1       mrg 	 * convert various structures, pointers, and other objects that
    402        1.1       mrg 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
    403        1.1       mrg 	 */
    404        1.1       mrg 	switch (SCARG(uap, com)) {
    405        1.7       eeh 	case FIONBIO:
    406       1.38        ad 		mutex_enter(&fp->f_lock);
    407        1.8       eeh 		if ((tmp = *(int *)data32) != 0)
    408        1.7       eeh 			fp->f_flag |= FNONBLOCK;
    409        1.7       eeh 		else
    410        1.7       eeh 			fp->f_flag &= ~FNONBLOCK;
    411       1.38        ad 		mutex_exit(&fp->f_lock);
    412       1.38        ad 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp);
    413        1.7       eeh 		break;
    414        1.7       eeh 
    415        1.7       eeh 	case FIOASYNC:
    416       1.38        ad 		mutex_enter(&fp->f_lock);
    417        1.8       eeh 		if ((tmp = *(int *)data32) != 0)
    418        1.7       eeh 			fp->f_flag |= FASYNC;
    419        1.7       eeh 		else
    420        1.7       eeh 			fp->f_flag &= ~FASYNC;
    421       1.38        ad 		mutex_exit(&fp->f_lock);
    422       1.38        ad 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp);
    423        1.1       mrg 		break;
    424        1.1       mrg 
    425        1.7       eeh 	case DIOCGPART32:
    426        1.7       eeh 		IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
    427       1.17      fvdl #if 0	/* not implemented by anything */
    428        1.7       eeh 	case DIOCRFORMAT32:
    429        1.7       eeh 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
    430        1.7       eeh 	case DIOCWFORMAT32:
    431        1.7       eeh 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
    432       1.17      fvdl #endif
    433        1.1       mrg 
    434        1.1       mrg /*
    435        1.1       mrg  * only a few ifreq syscalls need conversion and those are
    436        1.1       mrg  * all driver specific... XXX
    437        1.1       mrg  */
    438        1.1       mrg #if 0
    439        1.7       eeh 	case SIOCGADDRROM3232:
    440        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
    441        1.7       eeh 	case SIOCGCHIPID32:
    442        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
    443        1.7       eeh 	case SIOCSIFADDR32:
    444        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
    445        1.7       eeh 	case OSIOCGIFADDR32:
    446        1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
    447        1.7       eeh 	case SIOCGIFADDR32:
    448        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
    449        1.7       eeh 	case SIOCSIFDSTADDR32:
    450        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
    451        1.7       eeh 	case OSIOCGIFDSTADDR32:
    452        1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
    453        1.7       eeh 	case SIOCGIFDSTADDR32:
    454        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
    455        1.7       eeh 	case OSIOCGIFBRDADDR32:
    456        1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
    457        1.7       eeh 	case SIOCGIFBRDADDR32:
    458        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
    459        1.7       eeh 	case SIOCSIFBRDADDR32:
    460        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
    461        1.7       eeh 	case OSIOCGIFNETMASK32:
    462        1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
    463        1.7       eeh 	case SIOCGIFNETMASK32:
    464        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
    465        1.7       eeh 	case SIOCSIFNETMASK32:
    466        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
    467        1.7       eeh 	case SIOCGIFMETRIC32:
    468        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
    469        1.7       eeh 	case SIOCSIFMETRIC32:
    470        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
    471        1.7       eeh 	case SIOCDIFADDR32:
    472        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
    473        1.7       eeh 	case SIOCADDMULTI32:
    474        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
    475        1.7       eeh 	case SIOCDELMULTI32:
    476        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
    477        1.7       eeh 	case SIOCSIFMEDIA32:
    478        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
    479        1.7       eeh 	case SIOCSIFMTU32:
    480        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
    481        1.7       eeh 	case SIOCGIFMTU32:
    482        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
    483       1.18  christos 	case BIOCGETIF32:
    484       1.18  christos 		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq);
    485        1.7       eeh 	case BIOCSETIF32:
    486        1.7       eeh 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
    487        1.7       eeh 	case SIOCPHASE132:
    488        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
    489        1.7       eeh 	case SIOCPHASE232:
    490        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
    491        1.1       mrg #endif
    492        1.1       mrg 
    493       1.40     njoly 	case OOSIOCGIFCONF32:
    494       1.40     njoly 		IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf);
    495        1.7       eeh 	case OSIOCGIFCONF32:
    496        1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
    497        1.7       eeh 	case SIOCGIFCONF32:
    498        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
    499        1.7       eeh 
    500       1.22       mrg 	case SIOCGIFFLAGS32:
    501       1.22       mrg 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
    502       1.22       mrg 	case SIOCSIFFLAGS32:
    503       1.22       mrg 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
    504       1.22       mrg 
    505        1.7       eeh 	case SIOCGIFMEDIA32:
    506        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
    507        1.1       mrg 
    508        1.7       eeh 	case SIOCSDRVSPEC32:
    509        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
    510        1.1       mrg 
    511        1.7       eeh 	case SIOCGETVIFCNT32:
    512        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
    513        1.1       mrg 
    514        1.7       eeh 	case SIOCGETSGCNT32:
    515        1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
    516        1.1       mrg 
    517        1.7       eeh 	default:
    518       1.14       mrg #ifdef NETBSD32_MD_IOCTL
    519       1.24  christos 		error = netbsd32_md_ioctl(fp, com, data32, l);
    520       1.14       mrg #else
    521       1.38        ad 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32);
    522       1.14       mrg #endif
    523        1.1       mrg 		break;
    524        1.1       mrg 	}
    525        1.1       mrg 
    526       1.26      fvdl 	if (error == EPASSTHROUGH)
    527       1.26      fvdl 		error = ENOTTY;
    528       1.26      fvdl 
    529        1.1       mrg 	/*
    530        1.7       eeh 	 * Copy any data to user, size was
    531        1.7       eeh 	 * already set and checked above.
    532        1.1       mrg 	 */
    533       1.33     njoly 	if (error == 0 && (com&IOC_OUT) && size32) {
    534       1.32       dsl 		error = copyout(data32, SCARG_P32(uap, data), size32);
    535       1.38        ad 		ktrgenio(fd, UIO_READ, SCARG_P32(uap, data),
    536       1.35        ad 		    size32, error);
    537       1.33     njoly 	}
    538        1.1       mrg 
    539        1.1       mrg 	/* if we malloced data, free it here */
    540        1.7       eeh 	if (memp32)
    541       1.38        ad 		kmem_free(memp32, (size_t)size32);
    542        1.7       eeh 	if (memp)
    543       1.38        ad 		kmem_free(memp, (size_t)size);
    544        1.7       eeh  out:
    545       1.38        ad 	fd_putfile(fd);
    546        1.7       eeh 	return (error);
    547        1.1       mrg }
    548