/*      $NetBSD: sunos32_ioctl.c,v 1.36 2021/09/07 11:43:05 riastradh Exp $     */
/* from: NetBSD: sunos_ioctl.c,v 1.35 2001/02/03 22:20:02 mrg Exp       */

/*
 * Copyright (c) 2001 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.
 *
 * 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.
 */

/*
 * Copyright (c) 1993 Markus Wild.
 * 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. 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.
 *
 * loosely from: Header: sunos_ioctl.c,v 1.7 93/05/28 04:40:43 torek Exp
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sunos32_ioctl.c,v 1.36 2021/09/07 11:43:05 riastradh Exp $");

#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd32.h"
#include "opt_execfmt.h"
#endif

#include <sys/param.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/ioctl.h>
#include <sys/termios.h>
#include <sys/tty.h>
#include <sys/socket.h>
#include <sys/audioio.h>
#include <sys/vnode.h>
#include <sys/mount.h>
#include <sys/disklabel.h>
#include <sys/syscallargs.h>

#include <miscfs/specfs/specdev.h>

#include <net/if.h>

#include <dev/sun/disklabel.h>

#include <compat/sys/sockio.h>

#include <compat/sunos/sunos.h>
#include <compat/sunos/sunos_syscallargs.h>
#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_syscallargs.h>
#include <compat/sunos32/sunos32.h>
#include <compat/sunos32/sunos32_syscallargs.h>
#include <compat/common/compat_util.h>

/*
 * SunOS ioctl calls.
 * This file is something of a hodge-podge.
 * Support gets added as things turn up....
 */

static const struct speedtab sptab[] = {
        { 0, 0 },
        { 50, 1 },
        { 75, 2 },
        { 110, 3 },
        { 134, 4 },
        { 135, 4 },
        { 150, 5 },
        { 200, 6 },
        { 300, 7 },
        { 600, 8 },
        { 1200, 9 },
        { 1800, 10 },
        { 2400, 11 },
        { 4800, 12 },
        { 9600, 13 },
        { 19200, 14 },
        { 38400, 15 },
        { -1, -1 }
};

static const netbsd32_u_long s2btab[] = {
        0,
        50,
        75,
        110,
        134,
        150,
        200,
        300,
        600,
        1200,
        1800,
        2400,
        4800,
        9600,
        19200,
        38400,
};

static void stios2btios(struct sunos_termios *, struct termios *);
static void btios2stios(struct termios *, struct sunos_termios *);
static void stios2stio(struct sunos_termios *, struct sunos_termio *);
static void stio2stios(struct sunos_termio *, struct sunos_termios *);

/*
 * These two conversion functions have mostly been done
 * with some perl cut&paste, then hand-edited to comment
 * out what doesn't exist under NetBSD.
 * A note from Markus's code:
 *      (l & BITMASK1) / BITMASK1 * BITMASK2  is translated
 *      optimally by gcc m68k, much better than any ?: stuff.
 *      Code may vary with different architectures of course.
 *
 * I don't know what optimizer you used, but seeing divu's and
 * bfextu's in the m68k assembly output did not encourage me...
 * as well, gcc on the sparc definitely generates much better
 * code with `?:'.
 */

static void
stios2btios(struct sunos_termios *st, struct termios *bt)
{
        netbsd32_u_long l, r;

        memset(bt, 0, sizeof(*bt));

        l = st->c_iflag;
        r =     ((l & 0x00000001) ? IGNBRK      : 0);
        r |=    ((l & 0x00000002) ? BRKINT      : 0);
        r |=    ((l & 0x00000004) ? IGNPAR      : 0);
        r |=    ((l & 0x00000008) ? PARMRK      : 0);
        r |=    ((l & 0x00000010) ? INPCK       : 0);
        r |=    ((l & 0x00000020) ? ISTRIP      : 0);
        r |=    ((l & 0x00000040) ? INLCR       : 0);
        r |=    ((l & 0x00000080) ? IGNCR       : 0);
        r |=    ((l & 0x00000100) ? ICRNL       : 0);
        /*      ((l & 0x00000200) ? IUCLC       : 0) */
        r |=    ((l & 0x00000400) ? IXON        : 0);
        r |=    ((l & 0x00000800) ? IXANY       : 0);
        r |=    ((l & 0x00001000) ? IXOFF       : 0);
        r |=    ((l & 0x00002000) ? IMAXBEL     : 0);
        bt->c_iflag = r;

        l = st->c_oflag;
        r =     ((l & 0x00000001) ? OPOST       : 0);
        /*      ((l & 0x00000002) ? OLCUC       : 0) */
        r |=    ((l & 0x00000004) ? ONLCR       : 0);
        /*      ((l & 0x00000008) ? OCRNL       : 0) */
        /*      ((l & 0x00000010) ? ONOCR       : 0) */
        /*      ((l & 0x00000020) ? ONLRET      : 0) */
        /*      ((l & 0x00000040) ? OFILL       : 0) */
        /*      ((l & 0x00000080) ? OFDEL       : 0) */
        /*      ((l & 0x00000100) ? NLDLY       : 0) */
        /*      ((l & 0x00000100) ? NL1         : 0) */
        /*      ((l & 0x00000600) ? CRDLY       : 0) */
        /*      ((l & 0x00000200) ? CR1         : 0) */
        /*      ((l & 0x00000400) ? CR2         : 0) */
        /*      ((l & 0x00000600) ? CR3         : 0) */
        /*      ((l & 0x00001800) ? TABDLY      : 0) */
        /*      ((l & 0x00000800) ? TAB1        : 0) */
        /*      ((l & 0x00001000) ? TAB2        : 0) */
        r |=    ((l & 0x00001800) ? OXTABS      : 0);
        /*      ((l & 0x00002000) ? BSDLY       : 0) */
        /*      ((l & 0x00002000) ? BS1         : 0) */
        /*      ((l & 0x00004000) ? VTDLY       : 0) */
        /*      ((l & 0x00004000) ? VT1         : 0) */
        /*      ((l & 0x00008000) ? FFDLY       : 0) */
        /*      ((l & 0x00008000) ? FF1         : 0) */
        /*      ((l & 0x00010000) ? PAGEOUT     : 0) */
        /*      ((l & 0x00020000) ? WRAP        : 0) */
        bt->c_oflag = r;

        l = st->c_cflag;
        switch (l & 0x00000030) {
        case 0:
                r = CS5;
                break;
        case 0x00000010:
                r = CS6;
                break;
        case 0x00000020:
                r = CS7;
                break;
        case 0x00000030:
                r = CS8;
                break;
        }
        r |=    ((l & 0x00000040) ? CSTOPB      : 0);
        r |=    ((l & 0x00000080) ? CREAD       : 0);
        r |=    ((l & 0x00000100) ? PARENB      : 0);
        r |=    ((l & 0x00000200) ? PARODD      : 0);
        r |=    ((l & 0x00000400) ? HUPCL       : 0);
        r |=    ((l & 0x00000800) ? CLOCAL      : 0);
        /*      ((l & 0x00001000) ? LOBLK       : 0) */
        r |=    ((l & 0x80000000) ? (CRTS_IFLOW|CCTS_OFLOW) : 0);
        bt->c_cflag = r;

        bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f];

        l = st->c_lflag;
        r =     ((l & 0x00000001) ? ISIG        : 0);
        r |=    ((l & 0x00000002) ? ICANON      : 0);
        /*      ((l & 0x00000004) ? XCASE       : 0) */
        r |=    ((l & 0x00000008) ? ECHO        : 0);
        r |=    ((l & 0x00000010) ? ECHOE       : 0);
        r |=    ((l & 0x00000020) ? ECHOK       : 0);
        r |=    ((l & 0x00000040) ? ECHONL      : 0);
        r |=    ((l & 0x00000080) ? NOFLSH      : 0);
        r |=    ((l & 0x00000100) ? TOSTOP      : 0);
        r |=    ((l & 0x00000200) ? ECHOCTL     : 0);
        r |=    ((l & 0x00000400) ? ECHOPRT     : 0);
        r |=    ((l & 0x00000800) ? ECHOKE      : 0);
        /*      ((l & 0x00001000) ? DEFECHO     : 0) */
        r |=    ((l & 0x00002000) ? FLUSHO      : 0);
        r |=    ((l & 0x00004000) ? PENDIN      : 0);
        bt->c_lflag = r;

        bt->c_cc[VINTR]    = st->c_cc[0]  ? st->c_cc[0]  : _POSIX_VDISABLE;
        bt->c_cc[VQUIT]    = st->c_cc[1]  ? st->c_cc[1]  : _POSIX_VDISABLE;
        bt->c_cc[VERASE]   = st->c_cc[2]  ? st->c_cc[2]  : _POSIX_VDISABLE;
        bt->c_cc[VKILL]    = st->c_cc[3]  ? st->c_cc[3]  : _POSIX_VDISABLE;
        bt->c_cc[VEOF]     = st->c_cc[4]  ? st->c_cc[4]  : _POSIX_VDISABLE;
        bt->c_cc[VEOL]     = st->c_cc[5]  ? st->c_cc[5]  : _POSIX_VDISABLE;
        bt->c_cc[VEOL2]    = st->c_cc[6]  ? st->c_cc[6]  : _POSIX_VDISABLE;
    /*  bt->c_cc[VSWTCH]   = st->c_cc[7]  ? st->c_cc[7]  : _POSIX_VDISABLE; */
        bt->c_cc[VSTART]   = st->c_cc[8]  ? st->c_cc[8]  : _POSIX_VDISABLE;
        bt->c_cc[VSTOP]    = st->c_cc[9]  ? st->c_cc[9]  : _POSIX_VDISABLE;
        bt->c_cc[VSUSP]    = st->c_cc[10] ? st->c_cc[10] : _POSIX_VDISABLE;
        bt->c_cc[VDSUSP]   = st->c_cc[11] ? st->c_cc[11] : _POSIX_VDISABLE;
        bt->c_cc[VREPRINT] = st->c_cc[12] ? st->c_cc[12] : _POSIX_VDISABLE;
        bt->c_cc[VDISCARD] = st->c_cc[13] ? st->c_cc[13] : _POSIX_VDISABLE;
        bt->c_cc[VWERASE]  = st->c_cc[14] ? st->c_cc[14] : _POSIX_VDISABLE;
        bt->c_cc[VLNEXT]   = st->c_cc[15] ? st->c_cc[15] : _POSIX_VDISABLE;
        bt->c_cc[VSTATUS]  = st->c_cc[16] ? st->c_cc[16] : _POSIX_VDISABLE;

        /* if `raw mode', create native VMIN/VTIME from SunOS VEOF/VEOL */
        bt->c_cc[VMIN]     = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOF];
        bt->c_cc[VTIME]    = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOL];
}


static void
btios2stios(struct termios *bt, struct sunos_termios *st)
{
        netbsd32_u_long l, r;
        int s;

        memset(st, 0, sizeof(*st));

        l = bt->c_iflag;
        r =     ((l &  IGNBRK) ? 0x00000001     : 0);
        r |=    ((l &  BRKINT) ? 0x00000002     : 0);
        r |=    ((l &  IGNPAR) ? 0x00000004     : 0);
        r |=    ((l &  PARMRK) ? 0x00000008     : 0);
        r |=    ((l &   INPCK) ? 0x00000010     : 0);
        r |=    ((l &  ISTRIP) ? 0x00000020     : 0);
        r |=    ((l &   INLCR) ? 0x00000040     : 0);
        r |=    ((l &   IGNCR) ? 0x00000080     : 0);
        r |=    ((l &   ICRNL) ? 0x00000100     : 0);
        /*      ((l &   IUCLC) ? 0x00000200     : 0) */
        r |=    ((l &    IXON) ? 0x00000400     : 0);
        r |=    ((l &   IXANY) ? 0x00000800     : 0);
        r |=    ((l &   IXOFF) ? 0x00001000     : 0);
        r |=    ((l & IMAXBEL) ? 0x00002000     : 0);
        st->c_iflag = r;

        l = bt->c_oflag;
        r =     ((l &   OPOST) ? 0x00000001     : 0);
        /*      ((l &   OLCUC) ? 0x00000002     : 0) */
        r |=    ((l &   ONLCR) ? 0x00000004     : 0);
        /*      ((l &   OCRNL) ? 0x00000008     : 0) */
        /*      ((l &   ONOCR) ? 0x00000010     : 0) */
        /*      ((l &  ONLRET) ? 0x00000020     : 0) */
        /*      ((l &   OFILL) ? 0x00000040     : 0) */
        /*      ((l &   OFDEL) ? 0x00000080     : 0) */
        /*      ((l &   NLDLY) ? 0x00000100     : 0) */
        /*      ((l &     NL1) ? 0x00000100     : 0) */
        /*      ((l &   CRDLY) ? 0x00000600     : 0) */
        /*      ((l &     CR1) ? 0x00000200     : 0) */
        /*      ((l &     CR2) ? 0x00000400     : 0) */
        /*      ((l &     CR3) ? 0x00000600     : 0) */
        /*      ((l &  TABDLY) ? 0x00001800     : 0) */
        /*      ((l &    TAB1) ? 0x00000800     : 0) */
        /*      ((l &    TAB2) ? 0x00001000     : 0) */
        r |=    ((l &  OXTABS) ? 0x00001800     : 0);
        /*      ((l &   BSDLY) ? 0x00002000     : 0) */
        /*      ((l &     BS1) ? 0x00002000     : 0) */
        /*      ((l &   VTDLY) ? 0x00004000     : 0) */
        /*      ((l &     VT1) ? 0x00004000     : 0) */
        /*      ((l &   FFDLY) ? 0x00008000     : 0) */
        /*      ((l &     FF1) ? 0x00008000     : 0) */
        /*      ((l & PAGEOUT) ? 0x00010000     : 0) */
        /*      ((l &    WRAP) ? 0x00020000     : 0) */
        st->c_oflag = r;

        l = bt->c_cflag;
        switch (l & CSIZE) {
        case CS5:
                r = 0;
                break;
        case CS6:
                r = 0x00000010;
                break;
        case CS7:
                r = 0x00000020;
                break;
        case CS8:
                r = 0x00000030;
                break;
        }
        r |=    ((l &  CSTOPB) ? 0x00000040     : 0);
        r |=    ((l &   CREAD) ? 0x00000080     : 0);
        r |=    ((l &  PARENB) ? 0x00000100     : 0);
        r |=    ((l &  PARODD) ? 0x00000200     : 0);
        r |=    ((l &   HUPCL) ? 0x00000400     : 0);
        r |=    ((l &  CLOCAL) ? 0x00000800     : 0);
        /*      ((l &   LOBLK) ? 0x00001000     : 0) */
        r |=    ((l & (CRTS_IFLOW|CCTS_OFLOW)) ? 0x80000000 : 0);
        st->c_cflag = r;

        l = bt->c_lflag;
        r =     ((l &    ISIG) ? 0x00000001     : 0);
        r |=    ((l &  ICANON) ? 0x00000002     : 0);
        /*      ((l &   XCASE) ? 0x00000004     : 0) */
        r |=    ((l &    ECHO) ? 0x00000008     : 0);
        r |=    ((l &   ECHOE) ? 0x00000010     : 0);
        r |=    ((l &   ECHOK) ? 0x00000020     : 0);
        r |=    ((l &  ECHONL) ? 0x00000040     : 0);
        r |=    ((l &  NOFLSH) ? 0x00000080     : 0);
        r |=    ((l &  TOSTOP) ? 0x00000100     : 0);
        r |=    ((l & ECHOCTL) ? 0x00000200     : 0);
        r |=    ((l & ECHOPRT) ? 0x00000400     : 0);
        r |=    ((l &  ECHOKE) ? 0x00000800     : 0);
        /*      ((l & DEFECHO) ? 0x00001000     : 0) */
        r |=    ((l &  FLUSHO) ? 0x00002000     : 0);
        r |=    ((l &  PENDIN) ? 0x00004000     : 0);
        st->c_lflag = r;

        s = ttspeedtab(bt->c_ospeed, sptab);
        if (s >= 0)
                st->c_cflag |= s;

        st->c_cc[0] = bt->c_cc[VINTR]   != _POSIX_VDISABLE? bt->c_cc[VINTR]:0;
        st->c_cc[1] = bt->c_cc[VQUIT]   != _POSIX_VDISABLE? bt->c_cc[VQUIT]:0;
        st->c_cc[2] = bt->c_cc[VERASE]  != _POSIX_VDISABLE? bt->c_cc[VERASE]:0;
        st->c_cc[3] = bt->c_cc[VKILL]   != _POSIX_VDISABLE? bt->c_cc[VKILL]:0;
        st->c_cc[4] = bt->c_cc[VEOF]    != _POSIX_VDISABLE? bt->c_cc[VEOF]:0;
        st->c_cc[5] = bt->c_cc[VEOL]    != _POSIX_VDISABLE? bt->c_cc[VEOL]:0;
        st->c_cc[6] = bt->c_cc[VEOL2]   != _POSIX_VDISABLE? bt->c_cc[VEOL2]:0;
        st->c_cc[7] = 0;
                /*    bt->c_cc[VSWTCH]  != _POSIX_VDISABLE? bt->c_cc[VSWTCH]: */
        st->c_cc[8] = bt->c_cc[VSTART]  != _POSIX_VDISABLE? bt->c_cc[VSTART]:0;
        st->c_cc[9] = bt->c_cc[VSTOP]   != _POSIX_VDISABLE? bt->c_cc[VSTOP]:0;
        st->c_cc[10]= bt->c_cc[VSUSP]   != _POSIX_VDISABLE? bt->c_cc[VSUSP]:0;
        st->c_cc[11]= bt->c_cc[VDSUSP]  != _POSIX_VDISABLE? bt->c_cc[VDSUSP]:0;
        st->c_cc[12]= bt->c_cc[VREPRINT]!= _POSIX_VDISABLE? bt->c_cc[VREPRINT]:0;
        st->c_cc[13]= bt->c_cc[VDISCARD]!= _POSIX_VDISABLE? bt->c_cc[VDISCARD]:0;
        st->c_cc[14]= bt->c_cc[VWERASE] != _POSIX_VDISABLE? bt->c_cc[VWERASE]:0;
        st->c_cc[15]= bt->c_cc[VLNEXT]  != _POSIX_VDISABLE? bt->c_cc[VLNEXT]:0;
        st->c_cc[16]= bt->c_cc[VSTATUS] != _POSIX_VDISABLE? bt->c_cc[VSTATUS]:0;

        if (!(bt->c_lflag & ICANON)) {
                /* SunOS stores VMIN/VTIME in VEOF/VEOL (if ICANON is off) */
                st->c_cc[4] = bt->c_cc[VMIN];
                st->c_cc[5] = bt->c_cc[VTIME];
        }

        st->c_line = 0;
}

static void
stios2stio(struct sunos_termios *ts, struct sunos_termio *t)
{

        memset(t, 0, sizeof(*t));
        t->c_iflag = ts->c_iflag;
        t->c_oflag = ts->c_oflag;
        t->c_cflag = ts->c_cflag;
        t->c_lflag = ts->c_lflag;
        t->c_line  = ts->c_line;
        memcpy(t->c_cc, ts->c_cc, 8);
}

static void
stio2stios(struct sunos_termio *t, struct sunos_termios *ts)
{

        memset(ts, 0, sizeof(*ts));
        ts->c_iflag = t->c_iflag;
        ts->c_oflag = t->c_oflag;
        ts->c_cflag = t->c_cflag;
        ts->c_lflag = t->c_lflag;
        ts->c_line  = t->c_line;
        memcpy(ts->c_cc, t->c_cc, 8); /* don't touch the upper fields! */
}


static int
sunos32_do_ioctl(int fd, int cmd, void *arg, struct lwp *l)
{
        file_t *fp;
        struct vnode *vp;
        int error;

        if ((error = fd_getvnode(fd, &fp)) != 0)
                return error;
        if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
                fd_putfile(fd);
                return EBADF;
        }
        error = fp->f_ops->fo_ioctl(fp, cmd, arg);
        if (error == EIO && cmd == TIOCGPGRP) {
                vp = fp->f_vnode;
                if (vp != NULL && vp->v_type == VCHR && major(vp->v_rdev) == 21)
                        error = ENOTTY;
        }
        fd_putfile(fd);
        return error;
}

int
sunos32_sys_ioctl(struct lwp *l, const struct sunos32_sys_ioctl_args *uap,
    register_t *retval)
{
        /* {
                int     fd;
                netbsd32_u_long com;
                netbsd32_caddr_t        data;
        } */
        struct netbsd32_ioctl_args bsd_ua;
        int error;

        SCARG(&bsd_ua, fd) = SCARG(uap, fd);
        SCARG(&bsd_ua, com) = SCARG(uap, com);
        SCARG(&bsd_ua, data) = SCARG(uap, data);

        switch (SCARG(uap, com)) {
        case _IOR('t', 0, int):
                SCARG(&bsd_ua, com) = TIOCGETD;
                break;
        case _IOW('t', 1, int):
            {
                int disc;

                if ((error = copyin(SCARG_P32(uap, data), &disc,
                    sizeof disc)) != 0)
                        return error;

                /* map SunOS NTTYDISC into our termios discipline */
                if (disc == 2)
                        disc = 0;
                /* all other disciplines are not supported by NetBSD */
                if (disc)
                        return ENXIO;

                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCSETD, &disc, l);
            }
        case _IOW('t', 101, int):       /* sun SUNOS_TIOCSSOFTCAR */
            {
                int x;  /* unused */

                return copyin(SCARG_P32(uap, data), &x, sizeof x);
            }
        case _IOR('t', 100, int):       /* sun SUNOS_TIOCSSOFTCAR */
            {
                int x = 0;

                return copyout(&x, SCARG_P32(uap, data), sizeof x);
            }
        case _IO('t', 36):              /* sun TIOCCONS, no parameters */
            {
                int on = 1;
                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCCONS, &on, l);
            }
        case _IOW('t', 37, struct sunos_ttysize):
            {
                struct winsize ws;
                struct sunos_ttysize ss;

                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCGWINSZ, &ws,
                    l);
                if (error != 0)
                        return error;

                error = copyin(SCARG_P32(uap, data), &ss, sizeof(ss));
                if (error != 0)
                        return error;

                ws.ws_row = ss.ts_row;
                ws.ws_col = ss.ts_col;

                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCSWINSZ, &ws, l);
            }
        case _IOW('t', 38, struct sunos_ttysize):
            {
                struct winsize ws;
                struct sunos_ttysize ss;

                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCGWINSZ, &ws,
                    l);
                if (error != 0)
                        return error;

                memset(&ss, 0, sizeof(ss));
                ss.ts_row = ws.ws_row;
                ss.ts_col = ws.ws_col;

                return copyout(&ss, SCARG_P32(uap, data), sizeof(ss));
            }
        case _IOW('t', 130, int):       /* TIOCSETPGRP: posix variant */
                SCARG(&bsd_ua, com) = TIOCSPGRP;
                break;
        case _IOR('t', 131, int):       /* TIOCGETPGRP: posix variant */
            {
                /*
                 * sigh, must do error translation on pty devices
                 * (see also kern/tty_pty.c)
                 */
                int pgrp;
                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCGPGRP, &pgrp,
                    l);
                if (error)
                        return error;
                return copyout(&pgrp, SCARG_P32(uap, data), sizeof(pgrp));
            }
        case _IO('t', 132):
                SCARG(&bsd_ua, com) = TIOCSCTTY;
                break;
        case SUNOS_TCGETA:
        case SUNOS_TCGETS:
            {
                struct termios bts;
                struct sunos_termios sts;
                struct sunos_termio st;

                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCGETA, &bts,
                    l);
                if (error != 0)
                        return error;

                btios2stios (&bts, &sts);
                if (SCARG(uap, com) == SUNOS_TCGETA) {
                        stios2stio (&sts, &st);
                        return copyout(&st, SCARG_P32(uap, data), sizeof(st));
                } else
                        return copyout(&sts, SCARG_P32(uap, data),
                            sizeof(sts));
                /*NOTREACHED*/
            }
        case SUNOS_TCSETA:
        case SUNOS_TCSETAW:
        case SUNOS_TCSETAF:
            {
                struct termios bts;
                struct sunos_termios sts;
                struct sunos_termio st;

                if ((error = copyin(SCARG_P32(uap, data), &st,
                    sizeof(st))) != 0)
                        return error;

                /* get full BSD termios so we don't lose information */
                if ((error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCGETA,
                    &bts, l)) != 0)
                        return error;

                /*
                 * convert to sun termios, copy in information from
                 * termio, and convert back, then set new values.
                 */
                btios2stios(&bts, &sts);
                stio2stios(&st, &sts);
                stios2btios(&sts, &bts);

                return sunos32_do_ioctl(SCARG(&bsd_ua, fd),
                    SCARG(uap, com) - SUNOS_TCSETA + TIOCSETA, &bts, l);
            }
        case SUNOS_TCSETS:
        case SUNOS_TCSETSW:
        case SUNOS_TCSETSF:
            {
                struct termios bts;
                struct sunos_termios sts;

                if ((error = copyin(SCARG_P32(uap, data), &sts,
                    sizeof(sts))) != 0)
                        return error;
                stios2btios (&sts, &bts);
                return sunos32_do_ioctl(SCARG(&bsd_ua, fd),
                    SCARG(uap, com) - SUNOS_TCSETS + TIOCSETA, &bts, l);
            }
/*
 * Pseudo-tty ioctl translations.
 */
        case _IOW('t', 32, int): {      /* TIOCTCNTL */
                int error1, on;

                error1 = copyin(SCARG_P32(uap, data), &on, sizeof(on));
                if (error1)
                        return error1;
                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCUCNTL, &on, l);
        }
        case _IOW('t', 33, int): {      /* TIOCSIGNAL */
                int error1, sig;

                error1 = copyin(SCARG_P32(uap, data), &sig, sizeof(sig));
                if (error1)
                        return error1;
                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCSIG, &sig, l);
        }

/*
 * Socket ioctl translations.
 */
#define IFREQ_IN(a) { \
        struct oifreq ifreq; \
        error = copyin(SCARG_P32(uap, data), &ifreq, sizeof(ifreq)); \
        if (error) \
                return error; \
        return sunos32_do_ioctl(SCARG(&bsd_ua, fd), a, &ifreq, l); \
}
#define IFREQ_INOUT(a) { \
        struct oifreq ifreq; \
        error = copyin(SCARG_P32(uap, data), &ifreq, sizeof(ifreq)); \
        if (error) \
                return error; \
        if ((error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), a, &ifreq, l)) != 0) \
                return error; \
        return copyout(&ifreq, SCARG_P32(uap, data), sizeof(ifreq)); \
}

        case _IOW('i', 12, struct oifreq):
                /* SIOCSIFADDR */
                break;

        case _IOWR('i', 13, struct oifreq):
                IFREQ_INOUT(OOSIOCGIFADDR);

        case _IOW('i', 14, struct oifreq):
                /* SIOCSIFDSTADDR */
                break;

        case _IOWR('i', 15, struct oifreq):
                IFREQ_INOUT(OOSIOCGIFDSTADDR);

        case _IOW('i', 16, struct oifreq):
                /* SIOCSIFFLAGS */
                break;

        case _IOWR('i', 17, struct oifreq):
                /* SIOCGIFFLAGS */
                break;

        case _IOW('i', 21, struct oifreq):
                IFREQ_IN(SIOCSIFMTU);

        case _IOWR('i', 22, struct oifreq):
                IFREQ_INOUT(SIOCGIFMTU);

        case _IOWR('i', 23, struct oifreq):
                IFREQ_INOUT(SIOCGIFBRDADDR);

        case _IOW('i', 24, struct oifreq):
                IFREQ_IN(SIOCSIFBRDADDR);

        case _IOWR('i', 25, struct oifreq):
                IFREQ_INOUT(OOSIOCGIFNETMASK);

        case _IOW('i', 26, struct oifreq):
                IFREQ_IN(SIOCSIFNETMASK);

        case _IOWR('i', 27, struct oifreq):
                IFREQ_INOUT(SIOCGIFMETRIC);

        case _IOWR('i', 28, struct oifreq):
                IFREQ_IN(SIOCSIFMETRIC);

        case _IOW('i', 30, struct arpreq):
                /* SIOCSARP */
                break;

        case _IOWR('i', 31, struct arpreq):
                /* SIOCGARP */
                break;

        case _IOW('i', 32, struct arpreq):
                /* SIOCDARP */
                break;

        case _IOW('i', 18, struct oifreq):      /* SIOCSIFMEM */
        case _IOWR('i', 19, struct oifreq):     /* SIOCGIFMEM */
        case _IOW('i', 40, struct oifreq):      /* SIOCUPPER */
        case _IOW('i', 41, struct oifreq):      /* SIOCLOWER */
        case _IOW('i', 44, struct oifreq):      /* SIOCSETSYNC */
        case _IOWR('i', 45, struct oifreq):     /* SIOCGETSYNC */
        case _IOWR('i', 46, struct oifreq):     /* SIOCSDSTATS */
        case _IOWR('i', 47, struct oifreq):     /* SIOCSESTATS */
        case _IOW('i', 48, int):                /* SIOCSPROMISC */
        case _IOW('i', 49, struct oifreq):      /* SIOCADDMULTI */
        case _IOW('i', 50, struct oifreq):      /* SIOCDELMULTI */
                return EOPNOTSUPP;

        case _IOWR('i', 20, struct oifconf):    /* SIOCGIFCONF */
            {
                struct oifconf ifcf;

                /*
                 * XXX: two more problems
                 * 1. our sockaddr's are variable length, not always
                 *    sizeof(sockaddr)
                 * 2. this returns a name per protocol, ie. it returns two
                 *    "lo0"'s
                 */
                error = copyin(SCARG_P32(uap, data), &ifcf, sizeof(ifcf));
                if (error)
                        return error;
                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), OOSIOCGIFCONF,
                    &ifcf, l);
                if (error)
                        return error;
                return copyout(&ifcf, SCARG_P32(uap, data), sizeof(ifcf));
            }

/*
 * Audio ioctl translations.
 */
        case _IOR('A', 1, struct sunos_audio_info):     /* AUDIO_GETINFO */
        sunos_au_getinfo:
            {
                struct audio_info aui;
                struct sunos_audio_info sunos_aui;

                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), AUDIO_GETINFO, &aui, l);
                if (error)
                        return error;

                memset(&sunos_aui, 0, sizeof(sunos_aui));

                sunos_aui.play = *(struct sunos_audio_prinfo *)&aui.play;
                sunos_aui.record = *(struct sunos_audio_prinfo *)&aui.record;

                /* `avail_ports' is `seek' in BSD */
                sunos_aui.play.avail_ports = AUDIO_SPEAKER | AUDIO_HEADPHONE;
                sunos_aui.record.avail_ports = AUDIO_SPEAKER | AUDIO_HEADPHONE;

                sunos_aui.play.waiting = 0;
                sunos_aui.record.waiting = 0;
                sunos_aui.play.eof = 0;
                sunos_aui.record.eof = 0;
                sunos_aui.monitor_gain = 0; /* aui.__spare; XXX */
                /*XXXsunos_aui.output_muted = 0;*/
                /*XXX*/sunos_aui.reserved[0] = 0;
                /*XXX*/sunos_aui.reserved[1] = 0;
                /*XXX*/sunos_aui.reserved[2] = 0;
                /*XXX*/sunos_aui.reserved[3] = 0;

                return copyout(&sunos_aui, SCARG_P32(uap, data),
                                sizeof(sunos_aui));
            }

        case _IOWR('A', 2, struct sunos_audio_info):    /* AUDIO_SETINFO */
            {
                struct audio_info aui;
                struct sunos_audio_info sunos_aui;

                error = copyin(SCARG_P32(uap, data), &sunos_aui,
                    sizeof(sunos_aui));
                if (error)
                        return error;

                aui.play = *(struct audio_prinfo *)&sunos_aui.play;
                aui.record = *(struct audio_prinfo *)&sunos_aui.record;
                /* aui.__spare = sunos_aui.monitor_gain; */
                aui.blocksize = ~0;
                aui.hiwat = ~0;
                aui.lowat = ~0;
                /* XXX somebody check this please. - is: aui.backlog = ~0; */
                aui.mode = ~0;
                /*
                 * The bsd driver does not distinguish between paused and
                 * active. (In the sun driver, not active means samples are
                 * not output at all, but paused means the last streams buffer
                 * is drained and then output stops.)  If either are 0, then
                 * when stop output. Otherwise, if either are non-zero,
                 * we resume.
                 */
                if (sunos_aui.play.pause == 0 || sunos_aui.play.active == 0)
                        aui.play.pause = 0;
                else if (sunos_aui.play.pause != (u_char)~0 ||
                         sunos_aui.play.active != (u_char)~0)
                        aui.play.pause = 1;
                if (sunos_aui.record.pause == 0 || sunos_aui.record.active == 0)
                        aui.record.pause = 0;
                else if (sunos_aui.record.pause != (u_char)~0 ||
                         sunos_aui.record.active != (u_char)~0)
                        aui.record.pause = 1;

                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), AUDIO_SETINFO,
                    &aui, l);
                if (error)
                        return error;
                /* Return new state */
                goto sunos_au_getinfo;
            }
        case _IO('A', 3):       /* AUDIO_DRAIN */
                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), AUDIO_DRAIN, NULL,
                    l);
        case _IOR('A', 4, int): /* AUDIO_GETDEV */
            {
                int devtype = SUNOS_AUDIO_DEV_AMD;
                return copyout(&devtype, SCARG_P32(uap, data),
                    sizeof(devtype));
            }

/*
 * Selected streams ioctls.
 */
#define SUNOS_S_FLUSHR          1
#define SUNOS_S_FLUSHW          2
#define SUNOS_S_FLUSHRW         3

#define SUNOS_S_INPUT           1
#define SUNOS_S_HIPRI           2
#define SUNOS_S_OUTPUT          4
#define SUNOS_S_MSG             8

        case _IO('S', 5):       /* I_FLUSH */
            {
                int tmp = 0;
                switch ((intptr_t)SCARG_P32(uap, data)) {
                case SUNOS_S_FLUSHR:    tmp = FREAD; break;
                case SUNOS_S_FLUSHW:    tmp = FWRITE; break;
                case SUNOS_S_FLUSHRW:   tmp = FREAD|FWRITE; break;
                }
                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), TIOCFLUSH, &tmp, l);
            }
        case _IO('S', 9):       /* I_SETSIG */
            {
                int on = 1;
                if (((intptr_t)SCARG_P32(uap, data) &
                    (SUNOS_S_HIPRI|SUNOS_S_INPUT)) == SUNOS_S_HIPRI)
                        return EOPNOTSUPP;
                return sunos32_do_ioctl(SCARG(&bsd_ua, fd), FIOASYNC, &on, l);
            }
        /*
         * SunOS disk ioctls, taken from arch/sparc/sparc/disksubr.c
         * (which was from the old sparc/scsi/sun_disklabel.c), and
         * modified to suite.
         */
        case SUN_DKIOCGGEOM:
            {
                struct disklabel dl;

                error = sunos32_do_ioctl(SCARG(&bsd_ua, fd), DIOCGDINFO,
                    &dl, l);
                if (error)
                        return error;

#define datageom        ((struct sun_dkgeom *)SCARG_P32(uap, data))
                /* XXX can't do memset() on a user address (dsl) */
                memset(SCARG_P32(uap, data), 0, sizeof(*datageom));

                datageom->sdkc_ncylinders = dl.d_ncylinders;
                datageom->sdkc_acylinders = dl.d_acylinders;
                datageom->sdkc_ntracks = dl.d_ntracks;
                datageom->sdkc_nsectors = dl.d_nsectors;
                datageom->sdkc_interleave = dl.d_interleave;
                datageom->sdkc_sparespercyl = dl.d_sparespercyl;
                datageom->sdkc_rpm = dl.d_rpm;
                datageom->sdkc_pcylinders = dl.d_ncylinders + dl.d_acylinders;
#undef datageom
                break;
            }

        case SUN_DKIOCINFO:
                /* Homey don't do DKIOCINFO */
                /* XXX can't do memset() on a user address (dsl) */
                memset(SCARG_P32(uap, data), 0, sizeof(struct sun_dkctlr));
                break;

        case SUN_DKIOCGPART:
            {
                struct partinfo pi;
                struct disklabel label;
                int fd = SCARG(&bsd_ua, fd);

                error = sunos32_do_ioctl(fd, DIOCGPARTINFO, &pi, l);
                if (error)
                        return error;
                error = sunos32_do_ioctl(fd, DIOCGDINFO, &label, l);
                if (error)
                        return error;

                if (label.d_secpercyl == 0)
                        return ERANGE;  /* XXX */
                if (pi.pi_offset % label.d_secpercyl != 0)
                        return ERANGE;  /* XXX */
                /* XXX can't do direct writes to a user address (dsl) */
#define datapart        ((struct sun_dkpart *)SCARG_P32(uap, data))
                datapart->sdkp_cyloffset = pi.pi_offset / label.d_secpercyl;
                datapart->sdkp_nsectors = pi.pi_size;
#undef datapart
            }

        }
        return netbsd32_ioctl(l, &bsd_ua, retval);
}

/* SunOS fcntl(2) cmds not implemented */
#define SUN_F_RGETLK    10
#define SUN_F_RSETLK    11
#define SUN_F_CNVT      12
#define SUN_F_RSETLKW   13

/* SunOS flock translation */
struct sunos_flock {
        short   l_type;
        short   l_whence;
        netbsd32_long   l_start;
        netbsd32_long   l_len;
        short   l_pid;
        short   l_xxx;
};

static void bsd_to_sunos_flock(struct flock *, struct sunos_flock *);
static void sunos_to_bsd_flock(struct sunos_flock *, struct flock *);

#define SUNOS_F_RDLCK   1
#define SUNOS_F_WRLCK   2
#define SUNOS_F_UNLCK   3

static void
bsd_to_sunos_flock(struct flock *iflp, struct sunos_flock *oflp)
{

        memset(oflp, 0, sizeof(*oflp));

        switch (iflp->l_type) {
        case F_RDLCK:
                oflp->l_type = SUNOS_F_RDLCK;
                break;
        case F_WRLCK:
                oflp->l_type = SUNOS_F_WRLCK;
                break;
        case F_UNLCK:
                oflp->l_type = SUNOS_F_UNLCK;
                break;
        default:
                oflp->l_type = -1;
                break;
        }

        oflp->l_whence = (short)iflp->l_whence;
        oflp->l_start = (netbsd32_long)iflp->l_start;
        oflp->l_len = (netbsd32_long)iflp->l_len;
        oflp->l_pid = (short)iflp->l_pid;
        oflp->l_xxx = 0;
}


static void
sunos_to_bsd_flock(struct sunos_flock *iflp, struct flock *oflp)
{

        memset(oflp, 0, sizeof(*oflp));

        switch (iflp->l_type) {
        case SUNOS_F_RDLCK:
                oflp->l_type = F_RDLCK;
                break;
        case SUNOS_F_WRLCK:
                oflp->l_type = F_WRLCK;
                break;
        case SUNOS_F_UNLCK:
                oflp->l_type = F_UNLCK;
                break;
        default:
                oflp->l_type = -1;
                break;
        }

        oflp->l_whence = iflp->l_whence;
        oflp->l_start = (off_t) iflp->l_start;
        oflp->l_len = (off_t) iflp->l_len;
        oflp->l_pid = (pid_t) iflp->l_pid;

}
static struct {
        netbsd32_long   sun_flg;
        netbsd32_long   bsd_flg;
} sunfcntl_flgtab[] = {
        /* F_[GS]ETFLags that differ: */
#define SUN_FSETBLK     0x0010
#define SUN_SHLOCK      0x0080
#define SUN_EXLOCK      0x0100
#define SUN_FNBIO       0x1000
#define SUN_FSYNC       0x2000
#define SUN_NONBLOCK    0x4000
#define SUN_FNOCTTY     0x8000
        { SUN_NONBLOCK, O_NONBLOCK },
        { SUN_FNBIO, O_NONBLOCK },
        { SUN_SHLOCK, O_SHLOCK },
        { SUN_EXLOCK, O_EXLOCK },
        { SUN_FSYNC, O_FSYNC },
        { SUN_FSETBLK, 0 },
        { SUN_FNOCTTY, 0 }
};

int
sunos32_sys_fcntl(struct lwp *l, const struct sunos32_sys_fcntl_args *uap,
    register_t *retval)
{
        /* {
                syscallarg(int) fd;
                syscallarg(int) cmd;
                syscallarg(netbsd32_voidp) arg;
        } */
        struct sys_fcntl_args bsd_ua;
        uintptr_t flg;
        int n, ret;

        SCARG(&bsd_ua, fd) = SCARG(uap, fd);
        SCARG(&bsd_ua, cmd) = SCARG(uap, cmd);
        SCARG(&bsd_ua, arg) = SCARG_P32(uap, arg);

        switch (SCARG(uap, cmd)) {
        case F_SETFL:
                flg = (intptr_t)SCARG_P32(uap, arg);
                n = sizeof(sunfcntl_flgtab) / sizeof(sunfcntl_flgtab[0]);
                while (--n >= 0) {
                        if (flg & sunfcntl_flgtab[n].sun_flg) {
                                flg &= ~sunfcntl_flgtab[n].sun_flg;
                                flg |= sunfcntl_flgtab[n].bsd_flg;
                        }
                }
                SCARG(&bsd_ua, arg) = (void *)flg;
                break;

        case F_GETLK:
        case F_SETLK:
        case F_SETLKW:
                {
                        int error;
                        struct sunos_flock      ifl;
                        struct flock            fl;

                        error = copyin(SCARG_P32(uap, arg), &ifl, sizeof ifl);
                        if (error)
                                return error;
                        sunos_to_bsd_flock(&ifl, &fl);

                        error = do_fcntl_lock(SCARG(uap, fd), SCARG(uap, cmd),
                            &fl);
                        if (error || SCARG(uap, cmd) != F_GETLK)
                                return error;

                        bsd_to_sunos_flock(&fl, &ifl);
                        return copyout(&ifl, SCARG_P32(uap, arg), sizeof ifl);
                }
                break;
        case SUN_F_RGETLK:
        case SUN_F_RSETLK:
        case SUN_F_CNVT:
        case SUN_F_RSETLKW:
                return EOPNOTSUPP;
        }

        ret = sys_fcntl(l, &bsd_ua, retval);
        if (ret != 0)
                return ret;

        switch (SCARG(uap, cmd)) {
        case F_GETFL:
                n = sizeof(sunfcntl_flgtab) / sizeof(sunfcntl_flgtab[0]);
                ret = *retval;
                while (--n >= 0) {
                        if (ret & sunfcntl_flgtab[n].bsd_flg) {
                                ret &= ~sunfcntl_flgtab[n].bsd_flg;
                                ret |= sunfcntl_flgtab[n].sun_flg;
                        }
                }
                *retval = ret;
                break;
        }

        return 0;
}