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netbsd32_ioctl.c revision 1.46.4.1
      1  1.46.4.1     rmind /*	$NetBSD: netbsd32_ioctl.c,v 1.46.4.1 2010/05/30 05:17:15 rmind 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  1.46.4.1     rmind __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.46.4.1 2010/05/30 05:17:15 rmind 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/sockio.h>
     47       1.1       mrg #include <sys/socket.h>
     48       1.1       mrg #include <sys/ttycom.h>
     49       1.1       mrg #include <sys/mount.h>
     50       1.1       mrg #include <sys/syscallargs.h>
     51      1.33     njoly #include <sys/ktrace.h>
     52      1.38        ad #include <sys/kmem.h>
     53       1.1       mrg 
     54      1.10      fvdl #ifdef __sparc__
     55      1.12   thorpej #include <dev/sun/fbio.h>
     56       1.1       mrg #include <machine/openpromio.h>
     57      1.10      fvdl #endif
     58       1.1       mrg 
     59       1.1       mrg #include <net/if.h>
     60       1.1       mrg #include <net/route.h>
     61       1.1       mrg 
     62       1.1       mrg #include <netinet/in.h>
     63       1.1       mrg #include <netinet/in_var.h>
     64       1.1       mrg #include <netinet/igmp.h>
     65       1.1       mrg #include <netinet/igmp_var.h>
     66       1.1       mrg #include <netinet/ip_mroute.h>
     67       1.1       mrg 
     68      1.34  christos #include <compat/sys/sockio.h>
     69      1.34  christos 
     70       1.2       mrg #include <compat/netbsd32/netbsd32.h>
     71       1.2       mrg #include <compat/netbsd32/netbsd32_ioctl.h>
     72       1.2       mrg #include <compat/netbsd32/netbsd32_syscallargs.h>
     73       1.1       mrg 
     74       1.6       mrg /* prototypes for the converters */
     75      1.25     perry static inline void netbsd32_to_partinfo(struct netbsd32_partinfo *,
     76      1.22       mrg 					  struct partinfo *, u_long);
     77      1.17      fvdl #if 0
     78      1.25     perry static inline void netbsd32_to_format_op(struct netbsd32_format_op *,
     79      1.22       mrg 					   struct format_op *, u_long);
     80      1.17      fvdl #endif
     81      1.43  christos static inline void netbsd32_to_oifreq(struct netbsd32_oifreq *, struct oifreq *,
     82      1.43  christos 				       u_long cmd);
     83      1.25     perry static inline void netbsd32_to_ifreq(struct netbsd32_ifreq *, struct ifreq *,
     84      1.22       mrg 				       u_long cmd);
     85      1.25     perry static inline void netbsd32_to_ifconf(struct netbsd32_ifconf *,
     86      1.22       mrg 					struct ifconf *, u_long);
     87      1.25     perry static inline void netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *,
     88      1.22       mrg 					    struct ifmediareq *, u_long);
     89      1.25     perry static inline void netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *,
     90      1.22       mrg 				       u_long);
     91      1.25     perry static inline void netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *,
     92      1.22       mrg 					      struct sioc_vif_req *, u_long);
     93      1.25     perry static inline void netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *,
     94      1.22       mrg 					     struct sioc_sg_req *, u_long);
     95      1.25     perry static inline void netbsd32_from_partinfo(struct partinfo *,
     96      1.22       mrg 					    struct netbsd32_partinfo *, u_long);
     97      1.17      fvdl #if 0
     98      1.25     perry static inline void netbsd32_from_format_op(struct format_op *,
     99      1.22       mrg 					     struct netbsd32_format_op *,
    100      1.22       mrg 					     u_long);
    101      1.22       mrg #endif
    102      1.25     perry static inline void netbsd32_from_ifreq(struct ifreq *,
    103      1.22       mrg                                          struct netbsd32_ifreq *, u_long);
    104      1.43  christos static inline void netbsd32_from_oifreq(struct oifreq *,
    105      1.43  christos                                          struct netbsd32_oifreq *, u_long);
    106      1.25     perry static inline void netbsd32_from_ifconf(struct ifconf *,
    107      1.22       mrg 					  struct netbsd32_ifconf *, u_long);
    108      1.25     perry static inline void netbsd32_from_ifmediareq(struct ifmediareq *,
    109      1.22       mrg 					      struct netbsd32_ifmediareq *,
    110      1.22       mrg 					      u_long);
    111      1.25     perry static inline void netbsd32_from_ifdrv(struct ifdrv *,
    112      1.22       mrg 					 struct netbsd32_ifdrv *, u_long);
    113      1.25     perry static inline void netbsd32_from_sioc_vif_req(struct sioc_vif_req *,
    114      1.22       mrg 						struct netbsd32_sioc_vif_req *,
    115      1.22       mrg 						u_long);
    116      1.25     perry static inline void netbsd32_from_sioc_sg_req(struct sioc_sg_req *,
    117      1.22       mrg 					       struct netbsd32_sioc_sg_req *,
    118      1.22       mrg 					       u_long);
    119       1.6       mrg 
    120       1.6       mrg /* convert to/from different structures */
    121       1.6       mrg 
    122      1.25     perry static inline void
    123      1.36       dsl netbsd32_to_partinfo(struct netbsd32_partinfo *s32p, struct partinfo *p, u_long cmd)
    124       1.1       mrg {
    125       1.1       mrg 
    126      1.15       scw 	p->disklab = (struct disklabel *)NETBSD32PTR64(s32p->disklab);
    127      1.15       scw 	p->part = (struct partition *)NETBSD32PTR64(s32p->part);
    128       1.1       mrg }
    129       1.1       mrg 
    130      1.17      fvdl #if 0
    131      1.25     perry static inline void
    132      1.36       dsl netbsd32_to_format_op(struct netbsd32_format_op *s32p, struct format_op *p, u_long cmd)
    133       1.1       mrg {
    134       1.1       mrg 
    135      1.15       scw 	p->df_buf = (char *)NETBSD32PTR64(s32p->df_buf);
    136       1.1       mrg 	p->df_count = s32p->df_count;
    137       1.1       mrg 	p->df_startblk = s32p->df_startblk;
    138       1.1       mrg 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
    139       1.1       mrg }
    140      1.17      fvdl #endif
    141       1.1       mrg 
    142      1.25     perry static inline void
    143      1.36       dsl netbsd32_to_ifreq(struct netbsd32_ifreq *s32p, struct ifreq *p, u_long cmd)
    144       1.1       mrg {
    145       1.1       mrg 
    146      1.22       mrg 	memcpy(p, s32p, sizeof *s32p);
    147       1.1       mrg 	/*
    148       1.1       mrg 	 * XXX
    149       1.1       mrg 	 * struct ifreq says the same, but sometimes the ifr_data
    150       1.1       mrg 	 * union member needs to be converted to 64 bits... this
    151       1.1       mrg 	 * is very driver specific and so we ignore it for now..
    152       1.1       mrg 	 */
    153      1.22       mrg 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
    154      1.29  christos 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
    155       1.1       mrg }
    156       1.1       mrg 
    157      1.25     perry static inline void
    158      1.43  christos netbsd32_to_oifreq(struct netbsd32_oifreq *s32p, struct oifreq *p, u_long cmd)
    159      1.43  christos {
    160      1.43  christos 
    161      1.43  christos 	memcpy(p, s32p, sizeof *s32p);
    162      1.43  christos 	/*
    163      1.43  christos 	 * XXX
    164      1.43  christos 	 * struct ifreq says the same, but sometimes the ifr_data
    165      1.43  christos 	 * union member needs to be converted to 64 bits... this
    166      1.43  christos 	 * is very driver specific and so we ignore it for now..
    167      1.43  christos 	 */
    168      1.43  christos 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
    169      1.43  christos 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
    170      1.43  christos }
    171      1.43  christos 
    172      1.43  christos static inline void
    173      1.36       dsl netbsd32_to_ifconf(struct netbsd32_ifconf *s32p, struct ifconf *p, u_long cmd)
    174       1.1       mrg {
    175       1.1       mrg 
    176       1.1       mrg 	p->ifc_len = s32p->ifc_len;
    177       1.1       mrg 	/* ifc_buf & ifc_req are the same size so this works */
    178      1.29  christos 	p->ifc_buf = (void *)NETBSD32PTR64(s32p->ifc_buf);
    179       1.1       mrg }
    180       1.1       mrg 
    181      1.25     perry static inline void
    182      1.36       dsl netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *s32p, struct ifmediareq *p, u_long cmd)
    183       1.1       mrg {
    184       1.1       mrg 
    185       1.1       mrg 	memcpy(p, s32p, sizeof *s32p);
    186      1.15       scw 	p->ifm_ulist = (int *)NETBSD32PTR64(s32p->ifm_ulist);
    187       1.1       mrg }
    188       1.1       mrg 
    189      1.25     perry static inline void
    190      1.36       dsl netbsd32_to_ifdrv(struct netbsd32_ifdrv *s32p, struct ifdrv *p, u_long cmd)
    191       1.1       mrg {
    192       1.1       mrg 
    193       1.1       mrg 	memcpy(p, s32p, sizeof *s32p);
    194      1.15       scw 	p->ifd_data = (void *)NETBSD32PTR64(s32p->ifd_data);
    195       1.1       mrg }
    196       1.1       mrg 
    197      1.25     perry static inline void
    198      1.36       dsl netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *s32p, struct sioc_vif_req *p, u_long cmd)
    199       1.1       mrg {
    200       1.1       mrg 
    201       1.1       mrg 	p->vifi = s32p->vifi;
    202       1.1       mrg 	p->icount = (u_long)s32p->icount;
    203       1.1       mrg 	p->ocount = (u_long)s32p->ocount;
    204       1.1       mrg 	p->ibytes = (u_long)s32p->ibytes;
    205       1.1       mrg 	p->obytes = (u_long)s32p->obytes;
    206       1.1       mrg }
    207       1.1       mrg 
    208      1.25     perry static inline void
    209      1.36       dsl netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *s32p, struct sioc_sg_req *p, u_long cmd)
    210       1.1       mrg {
    211       1.1       mrg 
    212       1.1       mrg 	p->src = s32p->src;
    213       1.1       mrg 	p->grp = s32p->grp;
    214       1.1       mrg 	p->pktcnt = (u_long)s32p->pktcnt;
    215       1.1       mrg 	p->bytecnt = (u_long)s32p->bytecnt;
    216       1.1       mrg 	p->wrong_if = (u_long)s32p->wrong_if;
    217       1.1       mrg }
    218       1.1       mrg 
    219       1.1       mrg /*
    220      1.14       mrg  * handle ioctl conversions from 64-bit kernel -> netbsd32
    221       1.1       mrg  */
    222       1.1       mrg 
    223      1.25     perry static inline void
    224      1.36       dsl netbsd32_from_partinfo(struct partinfo *p, struct netbsd32_partinfo *s32p, u_long cmd)
    225       1.7       eeh {
    226       1.7       eeh 
    227      1.31       dsl 	NETBSD32PTR32(s32p->disklab, p->disklab);
    228      1.31       dsl 	NETBSD32PTR32(s32p->part, p->part);
    229       1.7       eeh }
    230       1.7       eeh 
    231      1.17      fvdl #if 0
    232      1.25     perry static inline void
    233      1.36       dsl netbsd32_from_format_op(struct format_op *p, struct netbsd32_format_op *s32p, u_long cmd)
    234       1.1       mrg {
    235       1.1       mrg 
    236       1.1       mrg /* filled in */
    237       1.1       mrg #if 0
    238       1.2       mrg 	s32p->df_buf = (netbsd32_charp)p->df_buf;
    239       1.1       mrg #endif
    240       1.1       mrg 	s32p->df_count = p->df_count;
    241       1.1       mrg 	s32p->df_startblk = p->df_startblk;
    242       1.1       mrg 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
    243       1.1       mrg }
    244      1.17      fvdl #endif
    245       1.1       mrg 
    246      1.25     perry static inline void
    247      1.36       dsl netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd)
    248       1.1       mrg {
    249       1.1       mrg 
    250       1.1       mrg 	/*
    251       1.1       mrg 	 * XXX
    252       1.1       mrg 	 * struct ifreq says the same, but sometimes the ifr_data
    253       1.1       mrg 	 * union member needs to be converted to 64 bits... this
    254       1.1       mrg 	 * is very driver specific and so we ignore it for now..
    255       1.1       mrg 	 */
    256      1.46     njoly 	memcpy(s32p, p, sizeof *s32p);
    257      1.43  christos 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
    258      1.43  christos 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
    259      1.43  christos }
    260      1.43  christos 
    261      1.43  christos static inline void
    262      1.43  christos netbsd32_from_oifreq(struct oifreq *p, struct netbsd32_oifreq *s32p, u_long cmd)
    263      1.43  christos {
    264      1.43  christos 
    265      1.43  christos 	/*
    266      1.43  christos 	 * XXX
    267      1.43  christos 	 * struct ifreq says the same, but sometimes the ifr_data
    268      1.43  christos 	 * union member needs to be converted to 64 bits... this
    269      1.43  christos 	 * is very driver specific and so we ignore it for now..
    270      1.43  christos 	 */
    271      1.46     njoly 	memcpy(s32p, p, sizeof *s32p);
    272      1.22       mrg 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
    273      1.31       dsl 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
    274       1.1       mrg }
    275       1.1       mrg 
    276      1.25     perry static inline void
    277      1.36       dsl netbsd32_from_ifconf(struct ifconf *p, struct netbsd32_ifconf *s32p, u_long cmd)
    278       1.1       mrg {
    279       1.1       mrg 
    280       1.1       mrg 	s32p->ifc_len = p->ifc_len;
    281       1.1       mrg 	/* ifc_buf & ifc_req are the same size so this works */
    282      1.31       dsl 	NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf);
    283       1.1       mrg }
    284       1.1       mrg 
    285      1.25     perry static inline void
    286      1.36       dsl netbsd32_from_ifmediareq(struct ifmediareq *p, struct netbsd32_ifmediareq *s32p, u_long cmd)
    287       1.1       mrg {
    288       1.1       mrg 
    289       1.1       mrg 	memcpy(s32p, p, sizeof *p);
    290       1.1       mrg /* filled in? */
    291       1.1       mrg #if 0
    292       1.2       mrg 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
    293       1.1       mrg #endif
    294       1.1       mrg }
    295       1.1       mrg 
    296      1.25     perry static inline void
    297      1.36       dsl netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd)
    298       1.1       mrg {
    299       1.1       mrg 
    300       1.1       mrg 	memcpy(s32p, p, sizeof *p);
    301       1.1       mrg /* filled in? */
    302       1.1       mrg #if 0
    303       1.2       mrg 	s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
    304       1.1       mrg #endif
    305       1.1       mrg }
    306       1.1       mrg 
    307      1.25     perry static inline void
    308      1.36       dsl netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, struct netbsd32_sioc_vif_req *s32p, u_long cmd)
    309       1.1       mrg {
    310       1.1       mrg 
    311       1.1       mrg 	s32p->vifi = p->vifi;
    312       1.2       mrg 	s32p->icount = (netbsd32_u_long)p->icount;
    313       1.2       mrg 	s32p->ocount = (netbsd32_u_long)p->ocount;
    314       1.2       mrg 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
    315       1.2       mrg 	s32p->obytes = (netbsd32_u_long)p->obytes;
    316       1.1       mrg }
    317       1.1       mrg 
    318      1.25     perry static inline void
    319      1.36       dsl netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, struct netbsd32_sioc_sg_req *s32p, u_long cmd)
    320       1.1       mrg {
    321       1.1       mrg 
    322       1.1       mrg 	s32p->src = p->src;
    323       1.1       mrg 	s32p->grp = p->grp;
    324       1.2       mrg 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
    325       1.2       mrg 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
    326       1.2       mrg 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
    327       1.1       mrg }
    328       1.1       mrg 
    329       1.1       mrg 
    330       1.1       mrg /*
    331       1.1       mrg  * main ioctl syscall.
    332       1.1       mrg  *
    333       1.1       mrg  * ok, here we are in the biggy.  we have to do fix ups depending
    334       1.1       mrg  * on the ioctl command before and afterwards.
    335       1.1       mrg  */
    336       1.1       mrg int
    337      1.37       dsl netbsd32_ioctl(struct lwp *l, const struct netbsd32_ioctl_args *uap, register_t *retval)
    338       1.1       mrg {
    339      1.37       dsl 	/* {
    340       1.1       mrg 		syscallarg(int) fd;
    341       1.2       mrg 		syscallarg(netbsd32_u_long) com;
    342       1.2       mrg 		syscallarg(netbsd32_voidp) data;
    343      1.37       dsl 	} */
    344      1.16   thorpej 	struct proc *p = l->l_proc;
    345       1.7       eeh 	struct file *fp;
    346       1.7       eeh 	struct filedesc *fdp;
    347       1.7       eeh 	u_long com;
    348       1.7       eeh 	int error = 0;
    349       1.7       eeh 	u_int size, size32;
    350      1.30  christos 	void *data, *memp = NULL;
    351      1.30  christos 	void *data32, *memp32 = NULL;
    352      1.38        ad 	unsigned fd;
    353      1.38        ad 	fdfile_t *ff;
    354       1.7       eeh 	int tmp;
    355       1.7       eeh #define STK_PARAMS	128
    356       1.7       eeh 	u_long stkbuf[STK_PARAMS/sizeof(u_long)];
    357       1.7       eeh 	u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
    358       1.1       mrg 
    359       1.1       mrg 	/*
    360       1.1       mrg 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
    361      1.23     perry 	 * some after (_IOR), and some both (_IOWR).
    362       1.1       mrg 	 */
    363       1.5       eeh #if 0
    364       1.5       eeh 	{
    365       1.5       eeh char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
    366       1.5       eeh 		"INOUT", "VOID|IN|OUT!" };
    367       1.5       eeh 
    368       1.5       eeh printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n",
    369       1.5       eeh        SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data),
    370       1.5       eeh        dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
    371       1.5       eeh        IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
    372       1.5       eeh        IOCPARM_LEN(SCARG(uap, com)));
    373       1.5       eeh 	}
    374       1.5       eeh #endif
    375       1.1       mrg 
    376       1.7       eeh 	fdp = p->p_fd;
    377      1.38        ad 	fd = SCARG(uap, fd);
    378      1.38        ad 	if ((fp = fd_getfile(fd)) == NULL)
    379       1.7       eeh 		return (EBADF);
    380       1.7       eeh 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
    381       1.7       eeh 		error = EBADF;
    382       1.7       eeh 		goto out;
    383       1.7       eeh 	}
    384       1.7       eeh 
    385      1.42        ad 	ff = fdp->fd_dt->dt_ff[SCARG(uap, fd)];
    386       1.7       eeh 	switch (com = SCARG(uap, com)) {
    387      1.41      matt 	case FIOCLEX:
    388      1.41      matt 		ff->ff_exclose = true;
    389      1.41      matt 		fdp->fd_exclose = true;
    390       1.7       eeh 		goto out;
    391       1.7       eeh 
    392      1.41      matt 	case FIONCLEX:
    393      1.41      matt 		ff->ff_exclose = false;
    394       1.7       eeh 		goto out;
    395       1.7       eeh 	}
    396       1.7       eeh 
    397       1.7       eeh 	/*
    398       1.7       eeh 	 * Interpret high order word to find amount of data to be
    399       1.7       eeh 	 * copied to/from the user's address space.
    400       1.7       eeh 	 */
    401      1.38        ad 	size = 0;
    402       1.7       eeh 	size32 = IOCPARM_LEN(com);
    403       1.7       eeh 	if (size32 > IOCPARM_MAX) {
    404       1.7       eeh 		error = ENOTTY;
    405       1.7       eeh 		goto out;
    406       1.7       eeh 	}
    407       1.7       eeh 	if (size32 > sizeof(stkbuf)) {
    408      1.38        ad 		memp32 = kmem_alloc((size_t)size32, KM_SLEEP);
    409       1.7       eeh 		data32 = memp32;
    410       1.7       eeh 	} else
    411      1.29  christos 		data32 = (void *)stkbuf32;
    412       1.7       eeh 	if (com&IOC_IN) {
    413       1.7       eeh 		if (size32) {
    414      1.32       dsl 			error = copyin(SCARG_P32(uap, data), data32, size32);
    415       1.7       eeh 			if (error) {
    416       1.7       eeh 				if (memp32)
    417      1.38        ad 					kmem_free(memp32, (size_t)size32);
    418       1.7       eeh 				goto out;
    419       1.7       eeh 			}
    420      1.38        ad 			ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data),
    421      1.35        ad 			    size32, 0);
    422       1.7       eeh 		} else
    423      1.32       dsl 			*(void **)data32 = SCARG_P32(uap, data);
    424       1.7       eeh 	} else if ((com&IOC_OUT) && size32)
    425       1.7       eeh 		/*
    426       1.7       eeh 		 * Zero the buffer so the user always
    427       1.7       eeh 		 * gets back something deterministic.
    428       1.7       eeh 		 */
    429       1.7       eeh 		memset(data32, 0, size32);
    430       1.7       eeh 	else if (com&IOC_VOID)
    431      1.32       dsl 		*(void **)data32 = SCARG_P32(uap, data);
    432       1.7       eeh 
    433       1.1       mrg 	/*
    434       1.1       mrg 	 * convert various structures, pointers, and other objects that
    435       1.1       mrg 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
    436       1.1       mrg 	 */
    437       1.1       mrg 	switch (SCARG(uap, com)) {
    438       1.7       eeh 	case FIONBIO:
    439      1.38        ad 		mutex_enter(&fp->f_lock);
    440       1.8       eeh 		if ((tmp = *(int *)data32) != 0)
    441       1.7       eeh 			fp->f_flag |= FNONBLOCK;
    442       1.7       eeh 		else
    443       1.7       eeh 			fp->f_flag &= ~FNONBLOCK;
    444      1.38        ad 		mutex_exit(&fp->f_lock);
    445      1.38        ad 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp);
    446       1.7       eeh 		break;
    447       1.7       eeh 
    448       1.7       eeh 	case FIOASYNC:
    449      1.38        ad 		mutex_enter(&fp->f_lock);
    450       1.8       eeh 		if ((tmp = *(int *)data32) != 0)
    451       1.7       eeh 			fp->f_flag |= FASYNC;
    452       1.7       eeh 		else
    453       1.7       eeh 			fp->f_flag &= ~FASYNC;
    454      1.38        ad 		mutex_exit(&fp->f_lock);
    455      1.38        ad 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp);
    456       1.1       mrg 		break;
    457       1.1       mrg 
    458       1.7       eeh 	case DIOCGPART32:
    459       1.7       eeh 		IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
    460      1.17      fvdl #if 0	/* not implemented by anything */
    461       1.7       eeh 	case DIOCRFORMAT32:
    462       1.7       eeh 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
    463       1.7       eeh 	case DIOCWFORMAT32:
    464       1.7       eeh 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
    465      1.17      fvdl #endif
    466       1.1       mrg 
    467       1.1       mrg /*
    468       1.1       mrg  * only a few ifreq syscalls need conversion and those are
    469       1.1       mrg  * all driver specific... XXX
    470       1.1       mrg  */
    471       1.1       mrg #if 0
    472       1.7       eeh 	case SIOCGADDRROM3232:
    473       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
    474       1.7       eeh 	case SIOCGCHIPID32:
    475       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
    476       1.7       eeh 	case SIOCSIFADDR32:
    477       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
    478       1.7       eeh 	case OSIOCGIFADDR32:
    479       1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
    480       1.7       eeh 	case SIOCGIFADDR32:
    481       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
    482       1.7       eeh 	case SIOCSIFDSTADDR32:
    483       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
    484       1.7       eeh 	case OSIOCGIFDSTADDR32:
    485       1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
    486       1.7       eeh 	case SIOCGIFDSTADDR32:
    487       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
    488       1.7       eeh 	case OSIOCGIFBRDADDR32:
    489       1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
    490       1.7       eeh 	case SIOCGIFBRDADDR32:
    491       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
    492       1.7       eeh 	case SIOCSIFBRDADDR32:
    493       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
    494       1.7       eeh 	case OSIOCGIFNETMASK32:
    495       1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
    496       1.7       eeh 	case SIOCGIFNETMASK32:
    497       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
    498       1.7       eeh 	case SIOCSIFNETMASK32:
    499       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
    500       1.7       eeh 	case SIOCGIFMETRIC32:
    501       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
    502       1.7       eeh 	case SIOCSIFMETRIC32:
    503       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
    504       1.7       eeh 	case SIOCDIFADDR32:
    505       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
    506       1.7       eeh 	case SIOCADDMULTI32:
    507       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
    508       1.7       eeh 	case SIOCDELMULTI32:
    509       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
    510       1.7       eeh 	case SIOCSIFMEDIA32:
    511       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
    512       1.7       eeh 	case SIOCSIFMTU32:
    513       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
    514       1.7       eeh 	case SIOCGIFMTU32:
    515       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
    516      1.18  christos 	case BIOCGETIF32:
    517      1.18  christos 		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq);
    518       1.7       eeh 	case BIOCSETIF32:
    519       1.7       eeh 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
    520       1.7       eeh 	case SIOCPHASE132:
    521       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
    522       1.7       eeh 	case SIOCPHASE232:
    523       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
    524       1.1       mrg #endif
    525       1.1       mrg 
    526      1.40     njoly 	case OOSIOCGIFCONF32:
    527      1.40     njoly 		IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf);
    528       1.7       eeh 	case OSIOCGIFCONF32:
    529       1.7       eeh 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
    530       1.7       eeh 	case SIOCGIFCONF32:
    531       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
    532       1.7       eeh 
    533      1.22       mrg 	case SIOCGIFFLAGS32:
    534      1.22       mrg 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
    535      1.22       mrg 	case SIOCSIFFLAGS32:
    536      1.22       mrg 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
    537      1.22       mrg 
    538      1.43  christos 	case OSIOCGIFFLAGS32:
    539      1.43  christos 		IOCTL_STRUCT_CONV_TO(OSIOCGIFFLAGS, oifreq);
    540      1.43  christos 	case OSIOCSIFFLAGS32:
    541      1.43  christos 		IOCTL_STRUCT_CONV_TO(OSIOCSIFFLAGS, oifreq);
    542      1.43  christos 
    543       1.7       eeh 	case SIOCGIFMEDIA32:
    544       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
    545       1.1       mrg 
    546       1.7       eeh 	case SIOCSDRVSPEC32:
    547       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
    548       1.1       mrg 
    549       1.7       eeh 	case SIOCGETVIFCNT32:
    550       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
    551       1.1       mrg 
    552       1.7       eeh 	case SIOCGETSGCNT32:
    553       1.7       eeh 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
    554       1.1       mrg 
    555       1.7       eeh 	default:
    556      1.14       mrg #ifdef NETBSD32_MD_IOCTL
    557      1.24  christos 		error = netbsd32_md_ioctl(fp, com, data32, l);
    558      1.14       mrg #else
    559      1.38        ad 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32);
    560      1.14       mrg #endif
    561       1.1       mrg 		break;
    562       1.1       mrg 	}
    563       1.1       mrg 
    564      1.26      fvdl 	if (error == EPASSTHROUGH)
    565      1.26      fvdl 		error = ENOTTY;
    566      1.26      fvdl 
    567       1.1       mrg 	/*
    568       1.7       eeh 	 * Copy any data to user, size was
    569       1.7       eeh 	 * already set and checked above.
    570       1.1       mrg 	 */
    571      1.33     njoly 	if (error == 0 && (com&IOC_OUT) && size32) {
    572      1.32       dsl 		error = copyout(data32, SCARG_P32(uap, data), size32);
    573      1.38        ad 		ktrgenio(fd, UIO_READ, SCARG_P32(uap, data),
    574      1.35        ad 		    size32, error);
    575      1.33     njoly 	}
    576       1.1       mrg 
    577  1.46.4.1     rmind 	/* If we allocated data, free it here. */
    578       1.7       eeh 	if (memp32)
    579      1.38        ad 		kmem_free(memp32, (size_t)size32);
    580       1.7       eeh 	if (memp)
    581      1.38        ad 		kmem_free(memp, (size_t)size);
    582       1.7       eeh  out:
    583      1.38        ad 	fd_putfile(fd);
    584       1.7       eeh 	return (error);
    585       1.1       mrg }
    586