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NetBSD/sys/compat/sparc32/sparc32_ioctl.c

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/* $NetBSD: sparc32_ioctl.c,v 1.1 1998/08/26 10:20:35 mrg Exp $ */
/*
* Copyright (c) 1998 Matthew R. Green
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* handle ioctl conversions from sparc32 -> sparc64
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/audioio.h>
#include <sys/disklabel.h>
#include <sys/dkio.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/sockio.h>
#include <sys/socket.h>
#include <sys/ttycom.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <machine/fbio.h>
#include <machine/openpromio.h>
#include <net/if.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet/igmp.h>
#include <netinet/igmp_var.h>
#include <netinet/ip_mroute.h>
#include <compat/sparc32/sparc32.h>
#include <compat/sparc32/sparc32_ioctl.h>
#include <compat/sparc32/sparc32_syscallargs.h>
void
sparc32_to_fbcmap(s32p, p)
struct sparc32_fbcmap *s32p;
struct fbcmap *p;
{
p->index = s32p->index;
p->count = s32p->count;
p->red = (u_char *)(u_long)s32p->red;
p->green = (u_char *)(u_long)s32p->green;
p->blue = (u_char *)(u_long)s32p->blue;
}
void
sparc32_to_fbcursor(s32p, p)
struct sparc32_fbcursor *s32p;
struct fbcursor *p;
{
p->set = s32p->set;
p->enable = s32p->enable;
p->pos = s32p->pos;
p->hot = s32p->hot;
sparc32_to_fbcmap(&s32p->cmap, &p->cmap);
p->size = s32p->size;
p->image = (char *)(u_long)s32p->image;
p->mask = (char *)(u_long)s32p->mask;
}
void
sparc32_to_opiocdesc(s32p, p)
struct sparc32_opiocdesc *s32p;
struct opiocdesc *p;
{
p->op_nodeid = s32p->op_nodeid;
p->op_namelen = s32p->op_namelen;
p->op_name = (char *)(u_long)s32p->op_name;
p->op_buflen = s32p->op_buflen;
p->op_buf = (char *)(u_long)s32p->op_buf;
}
void
sparc32_to_partinfo(s32p, p)
struct sparc32_partinfo *s32p;
struct partinfo *p;
{
p->disklab = (struct disklabel *)(u_long)s32p->disklab;
p->part = (struct partition *)(u_long)s32p->part;
}
void
sparc32_to_format_op(s32p, p)
struct sparc32_format_op *s32p;
struct format_op *p;
{
p->df_buf = (char *)(u_long)s32p->df_buf;
p->df_count = s32p->df_count;
p->df_startblk = s32p->df_startblk;
memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
}
#if 0 /* XXX see below */
void
sparc32_to_ifreq(s32p, p, cmd)
struct sparc32_ifreq *s32p;
struct ifreq *p;
u_long cmd; /* XXX unused yet */
{
/*
* XXX
* struct ifreq says the same, but sometimes the ifr_data
* union member needs to be converted to 64 bits... this
* is very driver specific and so we ignore it for now..
*/
memcpy(p, s32p, sizeof *s32p);
}
#endif
void
sparc32_to_ifconf(s32p, p)
struct sparc32_ifconf *s32p;
struct ifconf *p;
{
p->ifc_len = s32p->ifc_len;
/* ifc_buf & ifc_req are the same size so this works */
p->ifc_buf = (caddr_t)(u_long)s32p->ifc_buf;
}
void
sparc32_to_ifmediareq(s32p, p)
struct sparc32_ifmediareq *s32p;
struct ifmediareq *p;
{
memcpy(p, s32p, sizeof *s32p);
p->ifm_ulist = (int *)(u_long)s32p->ifm_ulist;
}
void
sparc32_to_ifdrv(s32p, p)
struct sparc32_ifdrv *s32p;
struct ifdrv *p;
{
memcpy(p, s32p, sizeof *s32p);
p->ifd_data = (void *)(u_long)s32p->ifd_data;
}
void
sparc32_to_sioc_vif_req(s32p, p)
struct sparc32_sioc_vif_req *s32p;
struct sioc_vif_req *p;
{
p->vifi = s32p->vifi;
p->icount = (u_long)s32p->icount;
p->ocount = (u_long)s32p->ocount;
p->ibytes = (u_long)s32p->ibytes;
p->obytes = (u_long)s32p->obytes;
}
void
sparc32_to_sioc_sg_req(s32p, p)
struct sparc32_sioc_sg_req *s32p;
struct sioc_sg_req *p;
{
p->src = s32p->src;
p->grp = s32p->grp;
p->pktcnt = (u_long)s32p->pktcnt;
p->bytecnt = (u_long)s32p->bytecnt;
p->wrong_if = (u_long)s32p->wrong_if;
}
/*
* handle ioctl conversions from sparc64 -> sparc32
*/
void
sparc32_from_fbcmap(p, s32p)
struct fbcmap *p;
struct sparc32_fbcmap *s32p;
{
s32p->index = p->index;
s32p->count = p->count;
/* filled in */
#if 0
s32p->red = (sparc32_u_charp)p->red;
s32p->green = (sparc32_u_charp)p->green;
s32p->blue = (sparc32_u_charp)p->blue;
#endif
}
void
sparc32_from_fbcursor(p, s32p)
struct fbcursor *p;
struct sparc32_fbcursor *s32p;
{
s32p->set = p->set;
s32p->enable = p->enable;
s32p->pos = p->pos;
s32p->hot = p->hot;
sparc32_from_fbcmap(&p->cmap, &s32p->cmap);
s32p->size = p->size;
/* filled in */
#if 0
s32p->image = (sparc32_charp)p->image;
s32p->mask = (sparc32_charp)p->mask;
#endif
}
void
sparc32_from_opiocdesc(p, s32p)
struct opiocdesc *p;
struct sparc32_opiocdesc *s32p;
{
s32p->op_nodeid = p->op_nodeid;
s32p->op_namelen = p->op_namelen;
s32p->op_name = (sparc32_charp)(u_long)p->op_name;
s32p->op_buflen = p->op_buflen;
s32p->op_buf = (sparc32_charp)(u_long)p->op_buf;
}
void
sparc32_from_format_op(p, s32p)
struct format_op *p;
struct sparc32_format_op *s32p;
{
/* filled in */
#if 0
s32p->df_buf = (sparc32_charp)p->df_buf;
#endif
s32p->df_count = p->df_count;
s32p->df_startblk = p->df_startblk;
memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
}
#if 0 /* XXX see below */
void
sparc32_from_ifreq(p, s32p, cmd)
struct ifreq *p;
struct sparc32_ifreq *s32p;
u_long cmd; /* XXX unused yet */
{
/*
* XXX
* struct ifreq says the same, but sometimes the ifr_data
* union member needs to be converted to 64 bits... this
* is very driver specific and so we ignore it for now..
*/
*s32p = *p;
}
#endif
void
sparc32_from_ifconf(p, s32p)
struct ifconf *p;
struct sparc32_ifconf *s32p;
{
s32p->ifc_len = p->ifc_len;
/* ifc_buf & ifc_req are the same size so this works */
s32p->ifc_buf = (sparc32_caddr_t)(u_long)p->ifc_buf;
}
void
sparc32_from_ifmediareq(p, s32p)
struct ifmediareq *p;
struct sparc32_ifmediareq *s32p;
{
memcpy(s32p, p, sizeof *p);
/* filled in? */
#if 0
s32p->ifm_ulist = (sparc32_intp_t)p->ifm_ulist;
#endif
}
void
sparc32_from_ifdrv(p, s32p)
struct ifdrv *p;
struct sparc32_ifdrv *s32p;
{
memcpy(s32p, p, sizeof *p);
/* filled in? */
#if 0
s32p->ifm_data = (sparc32_u_longp_t)p->ifm_data;
#endif
}
void
sparc32_from_sioc_vif_req(p, s32p)
struct sioc_vif_req *p;
struct sparc32_sioc_vif_req *s32p;
{
s32p->vifi = p->vifi;
s32p->icount = (sparc32_u_long)p->icount;
s32p->ocount = (sparc32_u_long)p->ocount;
s32p->ibytes = (sparc32_u_long)p->ibytes;
s32p->obytes = (sparc32_u_long)p->obytes;
}
void
sparc32_from_sioc_sg_req(p, s32p)
struct sioc_sg_req *p;
struct sparc32_sioc_sg_req *s32p;
{
s32p->src = p->src;
s32p->grp = p->grp;
s32p->pktcnt = (sparc32_u_long)p->pktcnt;
s32p->bytecnt = (sparc32_u_long)p->bytecnt;
s32p->wrong_if = (sparc32_u_long)p->wrong_if;
}
/*
* main ioctl syscall.
*
* ok, here we are in the biggy. we have to do fix ups depending
* on the ioctl command before and afterwards.
*/
int
compat_sparc32_ioctl(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_sparc32_ioctl_args /* {
syscallarg(int) fd;
syscallarg(sparc32_u_long) com;
syscallarg(sparc32_voidp) data;
} */ *uap = v;
struct sys_ioctl_args ua;
void *data = NULL;
int rv;
/*
* we need to translate some commands (_IOW) before calling sys_ioctl,
* some after (_IOR), and some both (_IOWR).
*/
/* we define some handy macros here... */
#define IOCTL_STRUCT_CONV_TO(type) \
data = malloc(sizeof(struct type), M_TEMP, M_WAITOK); \
__CONCAT(sparc32_to_, type)((struct __CONCAT(sparc32_, type) *) \
(u_long)SCARG(uap, data), data)
#define IOCTL_STRUCT_CONV_CMD_TO(type, cmd) \
data = malloc(sizeof(struct type), M_TEMP, M_WAITOK); \
__CONCAT(sparc32_to_, type)((struct __CONCAT(sparc32_, type) *) \
(u_long)SCARG(uap, data), data, cmd)
#define IOCTL_STRUCT_CONV_FROM(type) \
__CONCAT(sparc32_from_, type)(data, \
(struct __CONCAT(sparc32_, type) *) (u_long)SCARG(uap, data))
#define IOCTL_STRUCT_CONV_CMD_FROM(type, cmd) \
__CONCAT(sparc32_from_, type)(data, \
(struct __CONCAT(sparc32_, type) *) (u_long)SCARG(uap, data), cmd)
/*
* convert various structures, pointers, and other objects that
* change size from 32 bit -> 64 bit, for all ioctl commands.
*/
switch (SCARG(uap, com)) {
case FBIOPUTCMAP:
case FBIOGETCMAP:
IOCTL_STRUCT_CONV_TO(fbcmap);
break;
case FBIOSCURSOR:
case FBIOGCURSOR:
IOCTL_STRUCT_CONV_TO(fbcursor);
break;
case OPIOCGET:
case OPIOCSET:
case OPIOCNEXTPROP:
IOCTL_STRUCT_CONV_TO(opiocdesc);
break;
case DIOCGPART:
IOCTL_STRUCT_CONV_TO(partinfo);
break;
case DIOCRFORMAT:
case DIOCWFORMAT:
IOCTL_STRUCT_CONV_TO(format_op);
break;
/*
* only a few ifreq syscalls need conversion and those are
* all driver specific... XXX
*/
#if 0
case SIOCGADDRROM:
case SIOCGCHIPID:
case SIOCSIFADDR:
case OSIOCGIFADDR:
case SIOCGIFADDR:
case SIOCSIFDSTADDR:
case OSIOCGIFDSTADDR:
case SIOCGIFDSTADDR:
case SIOCSIFFLAGS:
case SIOCGIFFLAGS:
case OSIOCGIFBRDADDR:
case SIOCGIFBRDADDR:
case SIOCSIFBRDADDR:
case OSIOCGIFNETMASK:
case SIOCGIFNETMASK:
case SIOCSIFNETMASK:
case SIOCGIFMETRIC:
case SIOCSIFMETRIC:
case SIOCDIFADDR:
case SIOCADDMULTI:
case SIOCDELMULTI:
case SIOCSIFMEDIA:
case SIOCSIFMTU:
case SIOCGIFMTU:
case SIOCSIFASYNCMAP:
case SIOCGIFASYNCMAP:
/* case BIOCGETIF: READ ONLY */
case BIOCSETIF:
case SIOCPHASE1:
case SIOCPHASE2:
IOCTL_STRUCT_CONV_CMD_TO(ifreq, SCARG(uap, cmd));
break;
#endif
case OSIOCGIFCONF:
case SIOCGIFCONF:
IOCTL_STRUCT_CONV_TO(ifconf);
break;
case SIOCGIFMEDIA:
IOCTL_STRUCT_CONV_TO(ifmediareq);
break;
case SIOCSDRVSPEC:
IOCTL_STRUCT_CONV_TO(ifdrv);
break;
case SIOCGETVIFCNT:
IOCTL_STRUCT_CONV_TO(sioc_vif_req);
break;
case SIOCGETSGCNT:
IOCTL_STRUCT_CONV_TO(sioc_sg_req);
break;
}
/*
* if we malloced a new data segment, plug it into the
* syscall args, otherwise copy incoming one as a void
* pointer. also copy the rest of the syscall args...
*/
if (data)
SCARG(&ua, data) = data;
else
SPARC32TOP_UAP(data, void);
SPARC32TO64_UAP(fd);
SPARC32TOX_UAP(com, u_long);
/* call the real ioctl */
rv = sys_ioctl(p, &ua, retval);
/*
* convert _back_ to 32 bit the results of the command.
*/
switch (SCARG(uap, com)) {
case FBIOGETCMAP:
IOCTL_STRUCT_CONV_FROM(fbcmap);
break;
case FBIOGCURSOR:
IOCTL_STRUCT_CONV_FROM(fbcursor);
break;
case OPIOCGET:
case OPIOCNEXTPROP:
IOCTL_STRUCT_CONV_FROM(opiocdesc);
break;
case DIOCRFORMAT:
case DIOCWFORMAT:
IOCTL_STRUCT_CONV_FROM(format_op);
break;
/*
* only a few ifreq syscalls need conversion and those are
* all driver specific... XXX
*/
#if 0
case SIOCGADDRROM:
case SIOCGCHIPID:
case SIOCSIFADDR:
case OSIOCGIFADDR:
case SIOCGIFADDR:
case SIOCSIFDSTADDR:
case OSIOCGIFDSTADDR:
case SIOCGIFDSTADDR:
case SIOCSIFFLAGS:
case SIOCGIFFLAGS:
case OSIOCGIFBRDADDR:
case SIOCGIFBRDADDR:
case SIOCSIFBRDADDR:
case OSIOCGIFNETMASK:
case SIOCGIFNETMASK:
case SIOCSIFNETMASK:
case SIOCGIFMETRIC:
case SIOCSIFMETRIC:
case SIOCDIFADDR:
case SIOCADDMULTI:
case SIOCDELMULTI:
case SIOCSIFMEDIA:
case SIOCSIFMTU:
case SIOCGIFMTU:
case SIOCSIFASYNCMAP:
case SIOCGIFASYNCMAP:
/* case BIOCGETIF: READ ONLY */
case BIOCSETIF:
case SIOCPHASE1:
case SIOCPHASE2:
IOCTL_STRUCT_CONV_CMD_FROM(ifreq, SCARG(uap, cmd));
break;
#endif
case OSIOCGIFCONF:
case SIOCGIFCONF:
IOCTL_STRUCT_CONV_FROM(ifconf);
break;
case SIOCGIFMEDIA:
IOCTL_STRUCT_CONV_FROM(ifmediareq);
break;
case SIOCSDRVSPEC:
IOCTL_STRUCT_CONV_FROM(ifdrv);
break;
case SIOCGETVIFCNT:
IOCTL_STRUCT_CONV_FROM(sioc_vif_req);
break;
case SIOCGETSGCNT:
IOCTL_STRUCT_CONV_FROM(sioc_sg_req);
break;
}
/* if we malloced data, free it here */
if (data)
free(data, M_TEMP);
/* done! */
return (rv);
}
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