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ultrix_ioctl.c revision 1.5
      1 /*	$NetBSD: ultrix_ioctl.c,v 1.5 1996/10/09 00:49:40 thorpej Exp $ */
      2 /*	from : NetBSD: sunos_ioctl.c,v 1.21 1995/10/07 06:27:31 mycroft Exp */
      3 
      4 /*
      5  * Copyright (c) 1993 Markus Wild.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. The name of the author may not be used to endorse or promote products
     14  *    derived from this software without specific prior written permission
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  * loosely from: Header: sunos_ioctl.c,v 1.7 93/05/28 04:40:43 torek Exp
     28  */
     29 
     30 #include <sys/param.h>
     31 #include <sys/proc.h>
     32 #include <sys/systm.h>
     33 #include <sys/file.h>
     34 #include <sys/filedesc.h>
     35 #include <sys/ioctl.h>
     36 #include <sys/termios.h>
     37 #include <sys/tty.h>
     38 #include <sys/socket.h>
     39 #include <sys/audioio.h>
     40 #include <net/if.h>
     41 
     42 #include <sys/mount.h>
     43 
     44 #include <compat/ultrix/ultrix_syscallargs.h>
     45 #include <sys/syscallargs.h>
     46 
     47 #include <compat/sunos/sunos.h>
     48 
     49 #include "ultrix_tty.h"
     50 
     51 #define emul_termio	ultrix_termio
     52 #define emul_termios	ultrix_termios
     53 
     54 /*
     55  * SunOS ioctl calls.
     56  * This file is something of a hodge-podge.
     57  * Support gets added as things turn up....
     58  */
     59 
     60 static struct speedtab sptab[] = {
     61 	{ 0, 0 },
     62 	{ 50, 1 },
     63 	{ 75, 2 },
     64 	{ 110, 3 },
     65 	{ 134, 4 },
     66 	{ 135, 4 },
     67 	{ 150, 5 },
     68 	{ 200, 6 },
     69 	{ 300, 7 },
     70 	{ 600, 8 },
     71 	{ 1200, 9 },
     72 	{ 1800, 10 },
     73 	{ 2400, 11 },
     74 	{ 4800, 12 },
     75 	{ 9600, 13 },
     76 	{ 19200, 14 },
     77 	{ 38400, 15 },
     78 	{ -1, -1 }
     79 };
     80 
     81 static u_long s2btab[] = {
     82 	0,
     83 	50,
     84 	75,
     85 	110,
     86 	134,
     87 	150,
     88 	200,
     89 	300,
     90 	600,
     91 	1200,
     92 	1800,
     93 	2400,
     94 	4800,
     95 	9600,
     96 	19200,
     97 	38400,
     98 };
     99 
    100 
    101 /*
    102  * Translate a single tty control char from the emulation value
    103  * to native termios, and vice-versa. Special-case
    104  * the value of POSIX_VDISABLE, mapping it to and from 0.
    105  */
    106 #define NATIVE_TO_EMUL_CC(bsd_cc) \
    107  (((bsd_cc)   != _POSIX_VDISABLE) ? (bsd_cc) : 0)
    108 
    109 #define EMUL_TO_NATIVE_CC(emul_cc) \
    110  (emul_cc) ? (emul_cc) : _POSIX_VDISABLE;
    111 
    112 
    113 
    114 /*
    115  * these two conversion functions have mostly been done
    116  * with some perl cut&paste, then handedited to comment
    117  * out what doesn't exist under NetBSD.
    118  * A note from Markus's code:
    119  *	(l & BITMASK1) / BITMASK1 * BITMASK2  is translated
    120  *	optimally by gcc m68k, much better than any ?: stuff.
    121  *	Code may vary with different architectures of course.
    122  *
    123  * I don't know what optimizer you used, but seeing divu's and
    124  * bfextu's in the m68k assembly output did not encourage me...
    125  * as well, gcc on the sparc definately generates much better
    126  * code with ?:.
    127  */
    128 
    129 
    130 static void
    131 stios2btios(st, bt)
    132 	struct emul_termios *st;
    133 	struct termios *bt;
    134 {
    135 	register u_long l, r;
    136 
    137 	l = st->c_iflag;
    138 	r = 	((l & 0x00000001) ? IGNBRK	: 0);
    139 	r |=	((l & 0x00000002) ? BRKINT	: 0);
    140 	r |=	((l & 0x00000004) ? IGNPAR	: 0);
    141 	r |=	((l & 0x00000008) ? PARMRK	: 0);
    142 	r |=	((l & 0x00000010) ? INPCK	: 0);
    143 	r |=	((l & 0x00000020) ? ISTRIP	: 0);
    144 	r |= 	((l & 0x00000040) ? INLCR	: 0);
    145 	r |=	((l & 0x00000080) ? IGNCR	: 0);
    146 	r |=	((l & 0x00000100) ? ICRNL	: 0);
    147 	/*	((l & 0x00000200) ? IUCLC	: 0) */
    148 	r |=	((l & 0x00000400) ? IXON	: 0);
    149 	r |=	((l & 0x00000800) ? IXANY	: 0);
    150 	r |=	((l & 0x00001000) ? IXOFF	: 0);
    151 	r |=	((l & 0x00002000) ? IMAXBEL	: 0);
    152 	bt->c_iflag = r;
    153 
    154 	l = st->c_oflag;
    155 	r = 	((l & 0x00000001) ? OPOST	: 0);
    156 	/*	((l & 0x00000002) ? OLCUC	: 0) */
    157 	r |=	((l & 0x00000004) ? ONLCR	: 0);
    158 	/*	((l & 0x00000008) ? OCRNL	: 0) */
    159 	/*	((l & 0x00000010) ? ONOCR	: 0) */
    160 	/*	((l & 0x00000020) ? ONLRET	: 0) */
    161 	/*	((l & 0x00000040) ? OFILL	: 0) */
    162 	/*	((l & 0x00000080) ? OFDEL	: 0) */
    163 	/*	((l & 0x00000100) ? NLDLY	: 0) */
    164 	/*	((l & 0x00000100) ? NL1		: 0) */
    165 	/*	((l & 0x00000600) ? CRDLY	: 0) */
    166 	/*	((l & 0x00000200) ? CR1		: 0) */
    167 	/*	((l & 0x00000400) ? CR2		: 0) */
    168 	/*	((l & 0x00000600) ? CR3		: 0) */
    169 	/*	((l & 0x00001800) ? TABDLY	: 0) */
    170 	/*	((l & 0x00000800) ? TAB1	: 0) */
    171 	/*	((l & 0x00001000) ? TAB2	: 0) */
    172 	r |=	((l & 0x00001800) ? OXTABS	: 0);
    173 	/*	((l & 0x00002000) ? BSDLY	: 0) */
    174 	/*	((l & 0x00002000) ? BS1		: 0) */
    175 	/*	((l & 0x00004000) ? VTDLY	: 0) */
    176 	/*	((l & 0x00004000) ? VT1		: 0) */
    177 	/*	((l & 0x00008000) ? FFDLY	: 0) */
    178 	/*	((l & 0x00008000) ? FF1		: 0) */
    179 	/*	((l & 0x00010000) ? PAGEOUT	: 0) */
    180 	/*	((l & 0x00020000) ? WRAP	: 0) */
    181 	bt->c_oflag = r;
    182 
    183 	l = st->c_cflag;
    184 	switch (l & 0x00000030) {
    185 	case 0:
    186 		r = CS5;
    187 		break;
    188 	case 0x00000010:
    189 		r = CS6;
    190 		break;
    191 	case 0x00000020:
    192 		r = CS7;
    193 		break;
    194 	case 0x00000030:
    195 		r = CS8;
    196 		break;
    197 	}
    198 	r |=	((l & 0x00000040) ? CSTOPB	: 0);
    199 	r |=	((l & 0x00000080) ? CREAD	: 0);
    200 	r |= 	((l & 0x00000100) ? PARENB	: 0);
    201 	r |=	((l & 0x00000200) ? PARODD	: 0);
    202 	r |=	((l & 0x00000400) ? HUPCL	: 0);
    203 	r |=	((l & 0x00000800) ? CLOCAL	: 0);
    204 	/*	((l & 0x00001000) ? LOBLK	: 0) */
    205 	r |=	((l & 0x80000000) ? (CRTS_IFLOW|CCTS_OFLOW) : 0);
    206 	bt->c_cflag = r;
    207 
    208 	bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f];
    209 
    210 	l = st->c_lflag;
    211 	r = 	((l & 0x00000001) ? ISIG	: 0);
    212 	r |=	((l & 0x00000002) ? ICANON	: 0);
    213 	/*	((l & 0x00000004) ? XCASE	: 0) */
    214 	r |=	((l & 0x00000008) ? ECHO	: 0);
    215 	r |=	((l & 0x00000010) ? ECHOE	: 0);
    216 	r |=	((l & 0x00000020) ? ECHOK	: 0);
    217 	r |=	((l & 0x00000040) ? ECHONL	: 0);
    218 	r |= 	((l & 0x00000080) ? NOFLSH	: 0);
    219 	r |=	((l & 0x00000100) ? TOSTOP	: 0);
    220 	r |=	((l & 0x00000200) ? ECHOCTL	: 0);
    221 	r |=	((l & 0x00000400) ? ECHOPRT	: 0);
    222 	r |=	((l & 0x00000800) ? ECHOKE	: 0);
    223 	/*	((l & 0x00001000) ? DEFECHO	: 0) */
    224 	r |=	((l & 0x00002000) ? FLUSHO	: 0);
    225 	r |=	((l & 0x00004000) ? PENDIN	: 0);
    226 	bt->c_lflag = r;
    227 
    228 	bt->c_cc[VINTR]    = EMUL_TO_NATIVE_CC(st->c_cc[0]);
    229 	bt->c_cc[VQUIT]    = EMUL_TO_NATIVE_CC(st->c_cc[1]);
    230 	bt->c_cc[VERASE]   = EMUL_TO_NATIVE_CC(st->c_cc[2]);
    231 	bt->c_cc[VKILL]    = EMUL_TO_NATIVE_CC(st->c_cc[3]);
    232 	bt->c_cc[VEOF]     = EMUL_TO_NATIVE_CC(st->c_cc[4]);
    233 	bt->c_cc[VEOL]     = EMUL_TO_NATIVE_CC(st->c_cc[5]);
    234 	bt->c_cc[VEOL2]    = EMUL_TO_NATIVE_CC(st->c_cc[6]);
    235 	/* not present on NetBSD */
    236 	/* bt->c_cc[VSWTCH]   = EMUL_TO_NATIVE_CC(st->c_cc[7]); */
    237 	bt->c_cc[VSTART]   = EMUL_TO_NATIVE_CC(st->c_cc[10]);
    238 	bt->c_cc[VSTOP]    = EMUL_TO_NATIVE_CC(st->c_cc[11]);
    239 	bt->c_cc[VSUSP]    = EMUL_TO_NATIVE_CC(st->c_cc[12]);
    240 	bt->c_cc[VDSUSP]   = EMUL_TO_NATIVE_CC(st->c_cc[13]);
    241 	bt->c_cc[VREPRINT] = EMUL_TO_NATIVE_CC(st->c_cc[14]);
    242 	bt->c_cc[VDISCARD] = EMUL_TO_NATIVE_CC(st->c_cc[15]);
    243 	bt->c_cc[VWERASE]  = EMUL_TO_NATIVE_CC(st->c_cc[16]);
    244 	bt->c_cc[VLNEXT]   = EMUL_TO_NATIVE_CC(st->c_cc[17]);
    245 	bt->c_cc[VSTATUS]  = EMUL_TO_NATIVE_CC(st->c_cc[18]);
    246 
    247 #ifdef COMPAT_ULTRIX
    248 	/* Ultrix termio/termios has real vmin/vtime */
    249 	bt->c_cc[VMIN]	   = EMUL_TO_NATIVE_CC(st->c_cc[8]);
    250 	bt->c_cc[VTIME]	   = EMUL_TO_NATIVE_CC(st->c_cc[9]);
    251 #else
    252 	/* if `raw mode', create native VMIN/VTIME from SunOS VEOF/VEOL */
    253 	bt->c_cc[VMIN]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOF];
    254 	bt->c_cc[VTIME]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOL];
    255 #endif
    256 
    257 }
    258 
    259 /*
    260  * Convert bsd termios to "sunos" emulated termios
    261  */
    262 static void
    263 btios2stios(bt, st)
    264 	struct termios *bt;
    265 	struct emul_termios *st;
    266 {
    267 	register u_long l, r;
    268 
    269 	l = bt->c_iflag;
    270 	r = 	((l &  IGNBRK) ? 0x00000001	: 0);
    271 	r |=	((l &  BRKINT) ? 0x00000002	: 0);
    272 	r |=	((l &  IGNPAR) ? 0x00000004	: 0);
    273 	r |=	((l &  PARMRK) ? 0x00000008	: 0);
    274 	r |=	((l &   INPCK) ? 0x00000010	: 0);
    275 	r |=	((l &  ISTRIP) ? 0x00000020	: 0);
    276 	r |=	((l &   INLCR) ? 0x00000040	: 0);
    277 	r |=	((l &   IGNCR) ? 0x00000080	: 0);
    278 	r |=	((l &   ICRNL) ? 0x00000100	: 0);
    279 	/*	((l &   IUCLC) ? 0x00000200	: 0) */
    280 	r |=	((l &    IXON) ? 0x00000400	: 0);
    281 	r |=	((l &   IXANY) ? 0x00000800	: 0);
    282 	r |=	((l &   IXOFF) ? 0x00001000	: 0);
    283 	r |=	((l & IMAXBEL) ? 0x00002000	: 0);
    284 	st->c_iflag = r;
    285 
    286 	l = bt->c_oflag;
    287 	r =	((l &   OPOST) ? 0x00000001	: 0);
    288 	/*	((l &   OLCUC) ? 0x00000002	: 0) */
    289 	r |=	((l &   ONLCR) ? 0x00000004	: 0);
    290 	/*	((l &   OCRNL) ? 0x00000008	: 0) */
    291 	/*	((l &   ONOCR) ? 0x00000010	: 0) */
    292 	/*	((l &  ONLRET) ? 0x00000020	: 0) */
    293 	/*	((l &   OFILL) ? 0x00000040	: 0) */
    294 	/*	((l &   OFDEL) ? 0x00000080	: 0) */
    295 	/*	((l &   NLDLY) ? 0x00000100	: 0) */
    296 	/*	((l &     NL1) ? 0x00000100	: 0) */
    297 	/*	((l &   CRDLY) ? 0x00000600	: 0) */
    298 	/*	((l &     CR1) ? 0x00000200	: 0) */
    299 	/*	((l &     CR2) ? 0x00000400	: 0) */
    300 	/*	((l &     CR3) ? 0x00000600	: 0) */
    301 	/*	((l &  TABDLY) ? 0x00001800	: 0) */
    302 	/*	((l &    TAB1) ? 0x00000800	: 0) */
    303 	/*	((l &    TAB2) ? 0x00001000	: 0) */
    304 	r |=	((l &  OXTABS) ? 0x00001800	: 0);
    305 	/*	((l &   BSDLY) ? 0x00002000	: 0) */
    306 	/*	((l &     BS1) ? 0x00002000	: 0) */
    307 	/*	((l &   VTDLY) ? 0x00004000	: 0) */
    308 	/*	((l &     VT1) ? 0x00004000	: 0) */
    309 	/*	((l &   FFDLY) ? 0x00008000	: 0) */
    310 	/*	((l &     FF1) ? 0x00008000	: 0) */
    311 	/*	((l & PAGEOUT) ? 0x00010000	: 0) */
    312 	/*	((l &    WRAP) ? 0x00020000	: 0) */
    313 	st->c_oflag = r;
    314 
    315 	l = bt->c_cflag;
    316 	switch (l & CSIZE) {
    317 	case CS5:
    318 		r = 0;
    319 		break;
    320 	case CS6:
    321 		r = 0x00000010;
    322 		break;
    323 	case CS7:
    324 		r = 0x00000020;
    325 		break;
    326 	case CS8:
    327 		r = 0x00000030;
    328 		break;
    329 	}
    330 	r |=	((l &  CSTOPB) ? 0x00000040	: 0);
    331 	r |=	((l &   CREAD) ? 0x00000080	: 0);
    332 	r |=	((l &  PARENB) ? 0x00000100	: 0);
    333 	r |=	((l &  PARODD) ? 0x00000200	: 0);
    334 	r |=	((l &   HUPCL) ? 0x00000400	: 0);
    335 	r |=	((l &  CLOCAL) ? 0x00000800	: 0);
    336 	/*	((l &   LOBLK) ? 0x00001000	: 0) */
    337 	r |=	((l & (CRTS_IFLOW|CCTS_OFLOW)) ? 0x80000000 : 0);
    338 	st->c_cflag = r;
    339 
    340 	l = bt->c_lflag;
    341 	r =	((l &    ISIG) ? 0x00000001	: 0);
    342 	r |=	((l &  ICANON) ? 0x00000002	: 0);
    343 	/*	((l &   XCASE) ? 0x00000004	: 0) */
    344 	r |=	((l &    ECHO) ? 0x00000008	: 0);
    345 	r |=	((l &   ECHOE) ? 0x00000010	: 0);
    346 	r |=	((l &   ECHOK) ? 0x00000020	: 0);
    347 	r |=	((l &  ECHONL) ? 0x00000040	: 0);
    348 	r |=	((l &  NOFLSH) ? 0x00000080	: 0);
    349 	r |=	((l &  TOSTOP) ? 0x00000100	: 0);
    350 	r |=	((l & ECHOCTL) ? 0x00000200	: 0);
    351 	r |=	((l & ECHOPRT) ? 0x00000400	: 0);
    352 	r |=	((l &  ECHOKE) ? 0x00000800	: 0);
    353 	/*	((l & DEFECHO) ? 0x00001000	: 0) */
    354 	r |=	((l &  FLUSHO) ? 0x00002000	: 0);
    355 	r |=	((l &  PENDIN) ? 0x00004000	: 0);
    356 	st->c_lflag = r;
    357 
    358 	l = ttspeedtab(bt->c_ospeed, sptab);
    359 	if (l >= 0)
    360 		st->c_cflag |= l;
    361 
    362 	st->c_cc[0] = NATIVE_TO_EMUL_CC(bt->c_cc[VINTR]);
    363 	st->c_cc[1] = NATIVE_TO_EMUL_CC(bt->c_cc[VQUIT]);
    364 	st->c_cc[2] = NATIVE_TO_EMUL_CC(bt->c_cc[VERASE]);
    365 	st->c_cc[3] = NATIVE_TO_EMUL_CC(bt->c_cc[VKILL]);
    366 	st->c_cc[4] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOF]);
    367 	st->c_cc[5] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL]);
    368 	st->c_cc[6] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL2]);
    369 /*
    370  * XXX Should not be an #ifdef here (typo or not!) since
    371  * XXX COMPAT_ULTRIX is implied if this code is being
    372  * XXX compiled at all!  Unfortunately, this code doesn't
    373  * XXX currently compile, so leave it broken for now...
    374  */
    375 #ifdef CMOPAT_ULTRIX
    376 	st->c_cc[7] = NATIVE_TO_EMUL_CC(bt->c_cc[VSWTCH]);
    377 #else
    378 	st->c_cc[7] = 0;
    379 #endif
    380 	st->c_cc[10] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTART]);
    381 	st->c_cc[11] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTOP]);
    382 	st->c_cc[12]= NATIVE_TO_EMUL_CC(bt->c_cc[VSUSP]);
    383 	st->c_cc[13]= NATIVE_TO_EMUL_CC(bt->c_cc[VDSUSP]);
    384 	st->c_cc[14]= NATIVE_TO_EMUL_CC(bt->c_cc[VREPRINT]);
    385 	st->c_cc[15]= NATIVE_TO_EMUL_CC(bt->c_cc[VDISCARD]);
    386 	st->c_cc[16]= NATIVE_TO_EMUL_CC(bt->c_cc[VWERASE]);
    387 	st->c_cc[17]= NATIVE_TO_EMUL_CC(bt->c_cc[VLNEXT]);
    388 	st->c_cc[18]= NATIVE_TO_EMUL_CC(bt->c_cc[VSTATUS]);
    389 
    390 #ifdef COMPAT_ULTRIX
    391 	st->c_cc[8]= NATIVE_TO_EMUL_CC(bt->c_cc[VMIN]);
    392 	st->c_cc[9]= NATIVE_TO_EMUL_CC(bt->c_cc[VTIME]);
    393 #else
    394 	if (!(bt->c_lflag & ICANON)) {
    395 		/* SunOS stores VMIN/VTIME in VEOF/VEOL (if ICANON is off) */
    396 		st->c_cc[4] = bt->c_cc[VMIN];
    397 		st->c_cc[5] = bt->c_cc[VTIME];
    398 	}
    399 #endif
    400 
    401 #ifdef COMPAT_SUNOS
    402 	st->c_line = 0;	/* 4.3bsd "old" line discipline */
    403 #else
    404 	st->c_line = 2;	/* 4.3bsd "new" line discipline */
    405 #endif
    406 }
    407 
    408 #define TERMIO_NCC 10	/* ultrix termio NCC is 10 */
    409 
    410 /*
    411  * Convert emulated struct termios to termio(?)
    412  */
    413 static void
    414 stios2stio(ts, t)
    415 	struct emul_termios *ts;
    416 	struct emul_termio *t;
    417 {
    418 	t->c_iflag = ts->c_iflag;
    419 	t->c_oflag = ts->c_oflag;
    420 	t->c_cflag = ts->c_cflag;
    421 	t->c_lflag = ts->c_lflag;
    422 	t->c_line  = ts->c_line;
    423 	bcopy(ts->c_cc, t->c_cc, TERMIO_NCC);
    424 }
    425 
    426 /*
    427  * Convert the other way
    428  */
    429 static void
    430 stio2stios(t, ts)
    431 	struct emul_termio *t;
    432 	struct emul_termios *ts;
    433 {
    434 	ts->c_iflag = t->c_iflag;
    435 	ts->c_oflag = t->c_oflag;
    436 	ts->c_cflag = t->c_cflag;
    437 	ts->c_lflag = t->c_lflag;
    438 	ts->c_line  = t->c_line;
    439 	bcopy(t->c_cc, ts->c_cc, TERMIO_NCC); /* don't touch the upper fields! */
    440 }
    441 
    442 int
    443 ultrix_sys_ioctl(p, v, retval)
    444 	register struct proc *p;
    445 	void *v;
    446 	register_t *retval;
    447 {
    448 	struct ultrix_sys_ioctl_args *uap = v;
    449 	register struct filedesc *fdp = p->p_fd;
    450 	register struct file *fp;
    451 	register int (*ctl)();
    452 	int error;
    453 
    454 	if ( (unsigned)SCARG(uap, fd) >= fdp->fd_nfiles ||
    455 	    (fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
    456 		return EBADF;
    457 
    458 	if ((fp->f_flag & (FREAD|FWRITE)) == 0)
    459 		return EBADF;
    460 
    461 	ctl = fp->f_ops->fo_ioctl;
    462 
    463 	switch (SCARG(uap, com)) {
    464 	case _IOR('t', 0, int):
    465 		SCARG(uap, com) = TIOCGETD;
    466 		break;
    467 	case _IOW('t', 1, int):
    468 	    {
    469 		int disc;
    470 
    471 		if ((error = copyin(SCARG(uap, data), (caddr_t)&disc,
    472 		    sizeof disc)) != 0)
    473 			return error;
    474 
    475 		/* map SunOS NTTYDISC into our termios discipline */
    476 		if (disc == 2)
    477 			disc = 0;
    478 		/* all other disciplines are not supported by NetBSD */
    479 		if (disc)
    480 			return ENXIO;
    481 
    482 		return (*ctl)(fp, TIOCSETD, (caddr_t)&disc, p);
    483 	    }
    484 	case _IOW('t', 101, int):	/* sun SUNOS_TIOCSSOFTCAR */
    485 	    {
    486 		int x;	/* unused */
    487 
    488 		return copyin((caddr_t)&x, SCARG(uap, data), sizeof x);
    489 	    }
    490 	case _IOR('t', 100, int):	/* sun SUNOS_TIOCSSOFTCAR */
    491 	    {
    492 		int x = 0;
    493 
    494 		return copyout((caddr_t)&x, SCARG(uap, data), sizeof x);
    495 	    }
    496 	case _IO('t', 36): 		/* sun TIOCCONS, no parameters */
    497 	    {
    498 		int on = 1;
    499 		return (*ctl)(fp, TIOCCONS, (caddr_t)&on, p);
    500 	    }
    501 	case _IOW('t', 37, struct sunos_ttysize):
    502 	    {
    503 		struct winsize ws;
    504 		struct sunos_ttysize ss;
    505 
    506 		if ((error = (*ctl)(fp, TIOCGWINSZ, (caddr_t)&ws, p)) != 0)
    507 			return (error);
    508 
    509 		if ((error = copyin (SCARG(uap, data), &ss, sizeof (ss))) != 0)
    510 			return error;
    511 
    512 		ws.ws_row = ss.ts_row;
    513 		ws.ws_col = ss.ts_col;
    514 
    515 		return ((*ctl)(fp, TIOCSWINSZ, (caddr_t)&ws, p));
    516 	    }
    517 	case _IOW('t', 38, struct sunos_ttysize):
    518 	    {
    519 		struct winsize ws;
    520 		struct sunos_ttysize ss;
    521 
    522 		if ((error = (*ctl)(fp, TIOCGWINSZ, (caddr_t)&ws, p)) != 0)
    523 			return (error);
    524 
    525 		ss.ts_row = ws.ws_row;
    526 		ss.ts_col = ws.ws_col;
    527 
    528 		return copyout ((caddr_t)&ss, SCARG(uap, data), sizeof (ss));
    529 	    }
    530 	case _IOW('t', 130, int):
    531 		SCARG(uap, com) = TIOCSPGRP;
    532 		break;
    533 	case _IOR('t', 131, int):
    534 		SCARG(uap, com) = TIOCGPGRP;
    535 		break;
    536 	case _IO('t', 132):
    537 		SCARG(uap, com) = TIOCSCTTY;
    538 		break;
    539 	/* Emulate termio or termios tcget() */
    540 	case ULTRIX_TCGETA:
    541 	case ULTRIX_TCGETS:
    542 	    {
    543 		struct termios bts;
    544 		struct ultrix_termios sts;
    545 		struct ultrix_termio st;
    546 
    547 		if ((error = (*ctl)(fp, TIOCGETA, (caddr_t)&bts, p)) != 0)
    548 			return error;
    549 
    550 		btios2stios (&bts, &sts);
    551 		if (SCARG(uap, com) == ULTRIX_TCGETA) {
    552 			stios2stio (&sts, &st);
    553 			return copyout((caddr_t)&st, SCARG(uap, data),
    554 			    sizeof (st));
    555 		} else
    556 			return copyout((caddr_t)&sts, SCARG(uap, data),
    557 			    sizeof (sts));
    558 		/*NOTREACHED*/
    559 	    }
    560 	/* Emulate termio tcset() */
    561 	case ULTRIX_TCSETA:
    562 	case ULTRIX_TCSETAW:
    563 	case ULTRIX_TCSETAF:
    564 	    {
    565 		struct termios bts;
    566 		struct ultrix_termios sts;
    567 		struct ultrix_termio st;
    568 		int result;
    569 
    570 		if ((error = copyin(SCARG(uap, data), (caddr_t)&st,
    571 		    sizeof (st))) != 0)
    572 			return error;
    573 
    574 		/* get full BSD termios so we don't lose information */
    575 		if ((error = (*ctl)(fp, TIOCGETA, (caddr_t)&bts, p)) != 0)
    576 			return error;
    577 
    578 		/*
    579 		 * convert to sun termios, copy in information from
    580 		 * termio, and convert back, then set new values.
    581 		 */
    582 		btios2stios(&bts, &sts);
    583 		stio2stios(&st, &sts);
    584 		stios2btios(&sts, &bts);
    585 
    586 		/*
    587 		 * map ioctl code: ultrix tcsets are numbered in reverse order
    588 		 */
    589 #ifdef notyet
    590 		return (*ctl)(fp, ULTRIX_TCSETA - SCARG(uap, com) + TIOCSETA,
    591 		    (caddr_t)&bts, p);
    592 #else
    593 		result= (*ctl)(fp, ULTRIX_TCSETA -  SCARG(uap, com) + TIOCSETA,
    594 		    (caddr_t)&bts, p);
    595 		printf("ultrix TCSETA %lx returns %d\n",
    596 		       ULTRIX_TCSETA - SCARG(uap, com), result);
    597 		return result;
    598 #endif
    599 
    600 	    }
    601 	/* Emulate termios tcset() */
    602 	case ULTRIX_TCSETS:
    603 	case ULTRIX_TCSETSW:
    604 	case ULTRIX_TCSETSF:
    605 	    {
    606 		struct termios bts;
    607 		struct ultrix_termios sts;
    608 
    609 		if ((error = copyin (SCARG(uap, data), (caddr_t)&sts,
    610 		    sizeof (sts))) != 0)
    611 			return error;
    612 		stios2btios (&sts, &bts);
    613 		return (*ctl)(fp, ULTRIX_TCSETS - SCARG(uap, com) + TIOCSETA,
    614 		    (caddr_t)&bts, p);
    615 	    }
    616 /*
    617  * Pseudo-tty ioctl translations.
    618  */
    619 	case _IOW('t', 32, int): {	/* TIOCTCNTL */
    620 		int error, on;
    621 
    622 		error = copyin (SCARG(uap, data), (caddr_t)&on, sizeof (on));
    623 		if (error != 0)
    624 			return error;
    625 		return (*ctl)(fp, TIOCUCNTL, (caddr_t)&on, p);
    626 	}
    627 	case _IOW('t', 33, int): {	/* TIOCSIGNAL */
    628 		int error, sig;
    629 
    630 		error = copyin (SCARG(uap, data), (caddr_t)&sig, sizeof (sig));
    631 		if (error != 0)
    632 			return error;
    633 		return (*ctl)(fp, TIOCSIG, (caddr_t)&sig, p);
    634 	}
    635 
    636 /*
    637  * Socket ioctl translations.
    638  */
    639 #define IN_TYPE(a, type_t) { \
    640 	type_t localbuf; \
    641 	if ((error = copyin (SCARG(uap, data), \
    642 				(caddr_t)&localbuf, sizeof (type_t))) != 0) \
    643 		return error; \
    644 	return (*ctl)(fp, a, (caddr_t)&localbuf, p); \
    645 }
    646 
    647 #define INOUT_TYPE(a, type_t) { \
    648 	type_t localbuf; \
    649 	if ((error = copyin (SCARG(uap, data), (caddr_t)&localbuf,	\
    650 			     sizeof (type_t))) != 0) \
    651 		return error; \
    652 	if ((error = (*ctl)(fp, a, (caddr_t)&localbuf, p)) != 0) \
    653 		return error; \
    654 	return copyout ((caddr_t)&localbuf, SCARG(uap, data), sizeof (type_t)); \
    655 }
    656 
    657 
    658 #define IFREQ_IN(a) { \
    659 	struct ifreq ifreq; \
    660 	if ((error = copyin (SCARG(uap, data), (caddr_t)&ifreq, sizeof (ifreq))) != 0) \
    661 		return error; \
    662 	return (*ctl)(fp, a, (caddr_t)&ifreq, p); \
    663 }
    664 
    665 #define IFREQ_INOUT(a) { \
    666 	struct ifreq ifreq; \
    667 	if ((error = copyin (SCARG(uap, data), (caddr_t)&ifreq, sizeof (ifreq))) != 0) \
    668 		return error; \
    669 	if ((error = (*ctl)(fp, a, (caddr_t)&ifreq, p)) != 0) \
    670 		return error; \
    671 	return copyout ((caddr_t)&ifreq, SCARG(uap, data), sizeof (ifreq)); \
    672 }
    673 
    674 	case _IOW('i', 12, struct ifreq):
    675 		/* SIOCSIFADDR */
    676 		break;
    677 
    678 	case _IOWR('i', 13, struct ifreq):
    679 		IFREQ_INOUT(OSIOCGIFADDR);
    680 
    681 	case _IOW('i', 14, struct ifreq):
    682 		/* SIOCSIFDSTADDR */
    683 		break;
    684 
    685 	case _IOWR('i', 15, struct ifreq):
    686 		IFREQ_INOUT(OSIOCGIFDSTADDR);
    687 
    688 	case _IOW('i', 16, struct ifreq):
    689 		/* SIOCSIFFLAGS */
    690 		break;
    691 
    692 	case _IOWR('i', 17, struct ifreq):
    693 		/* SIOCGIFFLAGS */
    694 		break;
    695 
    696 	case _IOW('i', 21, struct ifreq):
    697 		IFREQ_IN(SIOCSIFMTU);
    698 
    699 	case _IOWR('i', 22, struct ifreq):
    700 		IFREQ_INOUT(SIOCGIFMTU);
    701 
    702 	case _IOWR('i', 23, struct ifreq):
    703 		IFREQ_INOUT(SIOCGIFBRDADDR);
    704 
    705 	case _IOW('i', 24, struct ifreq):
    706 		IFREQ_IN(SIOCSIFBRDADDR);
    707 
    708 	case _IOWR('i', 25, struct ifreq):
    709 		IFREQ_INOUT(OSIOCGIFNETMASK);
    710 
    711 	case _IOW('i', 26, struct ifreq):
    712 		IFREQ_IN(SIOCSIFNETMASK);
    713 
    714 	case _IOWR('i', 27, struct ifreq):
    715 		IFREQ_INOUT(SIOCGIFMETRIC);
    716 
    717 	case _IOWR('i', 28, struct ifreq):
    718 		IFREQ_IN(SIOCSIFMETRIC);
    719 
    720 	case _IOW('i', 30, struct arpreq):
    721 		/* SIOCSARP */
    722 		break;
    723 
    724 	case _IOWR('i', 31, struct arpreq):
    725 		/* SIOCGARP */
    726 		break;
    727 
    728 	case _IOW('i', 32, struct arpreq):
    729 		/* SIOCDARP */
    730 		break;
    731 
    732 	case _IOW('i', 18, struct ifreq):	/* SIOCSIFMEM */
    733 	case _IOWR('i', 19, struct ifreq):	/* SIOCGIFMEM */
    734 	case _IOW('i', 40, struct ifreq):	/* SIOCUPPER */
    735 	case _IOW('i', 41, struct ifreq):	/* SIOCLOWER */
    736 	case _IOW('i', 44, struct ifreq):	/* SIOCSETSYNC */
    737 	case _IOWR('i', 45, struct ifreq):	/* SIOCGETSYNC */
    738 	case _IOWR('i', 46, struct ifreq):	/* SIOCSDSTATS */
    739 	case _IOWR('i', 47, struct ifreq):	/* SIOCSESTATS */
    740 	case _IOW('i', 48, int):		/* SIOCSPROMISC */
    741 	case _IOW('i', 49, struct ifreq):	/* SIOCADDMULTI */
    742 	case _IOW('i', 50, struct ifreq):	/* SIOCDELMULTI */
    743 		return EOPNOTSUPP;
    744 
    745 	case _IOWR('i', 20, struct ifconf):	/* SIOCGIFCONF */
    746 	    {
    747 		struct ifconf ifconf;
    748 
    749 		/*
    750 		 * XXX: two more problems
    751 		 * 1. our sockaddr's are variable length, not always sizeof(sockaddr)
    752 		 * 2. this returns a name per protocol, ie. it returns two "lo0"'s
    753 		 */
    754 		if ((error = copyin (SCARG(uap, data), (caddr_t)&ifconf,
    755 				     sizeof (ifconf))) != 0)
    756 			return error;
    757 		if ((error = (*ctl)(fp, OSIOCGIFCONF,
    758 				    * (caddr_t)&ifconf, p)) !=0 )
    759 			return error;
    760 		return copyout ((caddr_t)&ifconf, SCARG(uap, data),
    761 		    sizeof (ifconf));
    762 	    }
    763 
    764 	}
    765 	return (sys_ioctl(p, uap, retval));
    766 }
    767