xref: /netbsd/sys/compat/ultrix/ultrix_ioctl.c (revision bf9ec67e)
1 /*	$NetBSD: ultrix_ioctl.c,v 1.18 2001/11/13 02:09:33 lukem 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/cdefs.h>
31 __KERNEL_RCSID(0, "$NetBSD: ultrix_ioctl.c,v 1.18 2001/11/13 02:09:33 lukem Exp $");
32 
33 #if defined(_KERNEL_OPT)
34 #include "opt_compat_ultrix.h"
35 #include "opt_compat_sunos.h"
36 #endif
37 
38 #include <sys/param.h>
39 #include <sys/proc.h>
40 #include <sys/systm.h>
41 #include <sys/file.h>
42 #include <sys/filedesc.h>
43 #include <sys/ioctl.h>
44 #include <sys/termios.h>
45 #include <sys/tty.h>
46 #include <sys/socket.h>
47 #include <sys/audioio.h>
48 #include <net/if.h>
49 
50 #include <sys/mount.h>
51 
52 #include <compat/ultrix/ultrix_syscallargs.h>
53 #include <sys/syscallargs.h>
54 
55 #include <compat/sunos/sunos.h>
56 
57 #include <compat/ultrix/ultrix_tty.h>
58 
59 #define emul_termio	ultrix_termio
60 #define emul_termios	ultrix_termios
61 
62 /*
63  * SunOS ioctl calls.
64  * This file is something of a hodge-podge.
65  * Support gets added as things turn up....
66  */
67 
68 static struct speedtab sptab[] = {
69 	{ 0, 0 },
70 	{ 50, 1 },
71 	{ 75, 2 },
72 	{ 110, 3 },
73 	{ 134, 4 },
74 	{ 135, 4 },
75 	{ 150, 5 },
76 	{ 200, 6 },
77 	{ 300, 7 },
78 	{ 600, 8 },
79 	{ 1200, 9 },
80 	{ 1800, 10 },
81 	{ 2400, 11 },
82 	{ 4800, 12 },
83 	{ 9600, 13 },
84 	{ 19200, 14 },
85 	{ 38400, 15 },
86 	{ -1, -1 }
87 };
88 
89 static u_long s2btab[] = {
90 	0,
91 	50,
92 	75,
93 	110,
94 	134,
95 	150,
96 	200,
97 	300,
98 	600,
99 	1200,
100 	1800,
101 	2400,
102 	4800,
103 	9600,
104 	19200,
105 	38400,
106 };
107 
108 
109 /*
110  * Translate a single tty control char from the emulation value
111  * to native termios, and vice-versa. Special-case
112  * the value of POSIX_VDISABLE, mapping it to and from 0.
113  */
114 #define NATIVE_TO_EMUL_CC(bsd_cc) \
115  (((bsd_cc)   != _POSIX_VDISABLE) ? (bsd_cc) : 0)
116 
117 #define EMUL_TO_NATIVE_CC(emul_cc) \
118  (emul_cc) ? (emul_cc) : _POSIX_VDISABLE;
119 
120 
121 static void stios2btios __P((struct emul_termios *, struct termios *));
122 static void btios2stios __P((struct termios *, struct emul_termios *));
123 static void stios2stio __P((struct emul_termios *, struct emul_termio *));
124 static void stio2stios __P((struct emul_termio *, struct emul_termios *));
125 
126 /*
127  * these two conversion functions have mostly been done
128  * with some perl cut&paste, then handedited to comment
129  * out what doesn't exist under NetBSD.
130  * A note from Markus's code:
131  *	(l & BITMASK1) / BITMASK1 * BITMASK2  is translated
132  *	optimally by gcc m68k, much better than any ?: stuff.
133  *	Code may vary with different architectures of course.
134  *
135  * I don't know what optimizer you used, but seeing divu's and
136  * bfextu's in the m68k assembly output did not encourage me...
137  * as well, gcc on the sparc definately generates much better
138  * code with ?:.
139  */
140 
141 
142 static void
143 stios2btios(st, bt)
144 	struct emul_termios *st;
145 	struct termios *bt;
146 {
147 	u_long l, r;
148 
149 	l = st->c_iflag;
150 	r = 	((l & 0x00000001) ? IGNBRK	: 0);
151 	r |=	((l & 0x00000002) ? BRKINT	: 0);
152 	r |=	((l & 0x00000004) ? IGNPAR	: 0);
153 	r |=	((l & 0x00000008) ? PARMRK	: 0);
154 	r |=	((l & 0x00000010) ? INPCK	: 0);
155 	r |=	((l & 0x00000020) ? ISTRIP	: 0);
156 	r |= 	((l & 0x00000040) ? INLCR	: 0);
157 	r |=	((l & 0x00000080) ? IGNCR	: 0);
158 	r |=	((l & 0x00000100) ? ICRNL	: 0);
159 	/*	((l & 0x00000200) ? IUCLC	: 0) */
160 	r |=	((l & 0x00000400) ? IXON	: 0);
161 	r |=	((l & 0x00000800) ? IXANY	: 0);
162 	r |=	((l & 0x00001000) ? IXOFF	: 0);
163 	r |=	((l & 0x00002000) ? IMAXBEL	: 0);
164 	bt->c_iflag = r;
165 
166 	l = st->c_oflag;
167 	r = 	((l & 0x00000001) ? OPOST	: 0);
168 	/*	((l & 0x00000002) ? OLCUC	: 0) */
169 	r |=	((l & 0x00000004) ? ONLCR	: 0);
170 	/*	((l & 0x00000008) ? OCRNL	: 0) */
171 	/*	((l & 0x00000010) ? ONOCR	: 0) */
172 	/*	((l & 0x00000020) ? ONLRET	: 0) */
173 	/*	((l & 0x00000040) ? OFILL	: 0) */
174 	/*	((l & 0x00000080) ? OFDEL	: 0) */
175 	/*	((l & 0x00000100) ? NLDLY	: 0) */
176 	/*	((l & 0x00000100) ? NL1		: 0) */
177 	/*	((l & 0x00000600) ? CRDLY	: 0) */
178 	/*	((l & 0x00000200) ? CR1		: 0) */
179 	/*	((l & 0x00000400) ? CR2		: 0) */
180 	/*	((l & 0x00000600) ? CR3		: 0) */
181 	/*	((l & 0x00001800) ? TABDLY	: 0) */
182 	/*	((l & 0x00000800) ? TAB1	: 0) */
183 	/*	((l & 0x00001000) ? TAB2	: 0) */
184 	r |=	((l & 0x00001800) ? OXTABS	: 0);
185 	/*	((l & 0x00002000) ? BSDLY	: 0) */
186 	/*	((l & 0x00002000) ? BS1		: 0) */
187 	/*	((l & 0x00004000) ? VTDLY	: 0) */
188 	/*	((l & 0x00004000) ? VT1		: 0) */
189 	/*	((l & 0x00008000) ? FFDLY	: 0) */
190 	/*	((l & 0x00008000) ? FF1		: 0) */
191 	/*	((l & 0x00010000) ? PAGEOUT	: 0) */
192 	/*	((l & 0x00020000) ? WRAP	: 0) */
193 	bt->c_oflag = r;
194 
195 	l = st->c_cflag;
196 	switch (l & 0x00000030) {
197 	case 0:
198 		r = CS5;
199 		break;
200 	case 0x00000010:
201 		r = CS6;
202 		break;
203 	case 0x00000020:
204 		r = CS7;
205 		break;
206 	case 0x00000030:
207 		r = CS8;
208 		break;
209 	}
210 	r |=	((l & 0x00000040) ? CSTOPB	: 0);
211 	r |=	((l & 0x00000080) ? CREAD	: 0);
212 	r |= 	((l & 0x00000100) ? PARENB	: 0);
213 	r |=	((l & 0x00000200) ? PARODD	: 0);
214 	r |=	((l & 0x00000400) ? HUPCL	: 0);
215 	r |=	((l & 0x00000800) ? CLOCAL	: 0);
216 	/*	((l & 0x00001000) ? LOBLK	: 0) */
217 	r |=	((l & 0x80000000) ? (CRTS_IFLOW|CCTS_OFLOW) : 0);
218 	bt->c_cflag = r;
219 
220 	bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f];
221 
222 	l = st->c_lflag;
223 	r = 	((l & 0x00000001) ? ISIG	: 0);
224 	r |=	((l & 0x00000002) ? ICANON	: 0);
225 	/*	((l & 0x00000004) ? XCASE	: 0) */
226 	r |=	((l & 0x00000008) ? ECHO	: 0);
227 	r |=	((l & 0x00000010) ? ECHOE	: 0);
228 	r |=	((l & 0x00000020) ? ECHOK	: 0);
229 	r |=	((l & 0x00000040) ? ECHONL	: 0);
230 	r |= 	((l & 0x00000080) ? NOFLSH	: 0);
231 	r |=	((l & 0x00000100) ? TOSTOP	: 0);
232 	r |=	((l & 0x00000200) ? ECHOCTL	: 0);
233 	r |=	((l & 0x00000400) ? ECHOPRT	: 0);
234 	r |=	((l & 0x00000800) ? ECHOKE	: 0);
235 	/*	((l & 0x00001000) ? DEFECHO	: 0) */
236 	r |=	((l & 0x00002000) ? FLUSHO	: 0);
237 	r |=	((l & 0x00004000) ? PENDIN	: 0);
238 	bt->c_lflag = r;
239 
240 	bt->c_cc[VINTR]    = EMUL_TO_NATIVE_CC(st->c_cc[0]);
241 	bt->c_cc[VQUIT]    = EMUL_TO_NATIVE_CC(st->c_cc[1]);
242 	bt->c_cc[VERASE]   = EMUL_TO_NATIVE_CC(st->c_cc[2]);
243 	bt->c_cc[VKILL]    = EMUL_TO_NATIVE_CC(st->c_cc[3]);
244 	bt->c_cc[VEOF]     = EMUL_TO_NATIVE_CC(st->c_cc[4]);
245 	bt->c_cc[VEOL]     = EMUL_TO_NATIVE_CC(st->c_cc[5]);
246 	bt->c_cc[VEOL2]    = EMUL_TO_NATIVE_CC(st->c_cc[6]);
247 	/* not present on NetBSD */
248 	/* bt->c_cc[VSWTCH]   = EMUL_TO_NATIVE_CC(st->c_cc[7]); */
249 	bt->c_cc[VSTART]   = EMUL_TO_NATIVE_CC(st->c_cc[10]);
250 	bt->c_cc[VSTOP]    = EMUL_TO_NATIVE_CC(st->c_cc[11]);
251 	bt->c_cc[VSUSP]    = EMUL_TO_NATIVE_CC(st->c_cc[12]);
252 	bt->c_cc[VDSUSP]   = EMUL_TO_NATIVE_CC(st->c_cc[13]);
253 	bt->c_cc[VREPRINT] = EMUL_TO_NATIVE_CC(st->c_cc[14]);
254 	bt->c_cc[VDISCARD] = EMUL_TO_NATIVE_CC(st->c_cc[15]);
255 	bt->c_cc[VWERASE]  = EMUL_TO_NATIVE_CC(st->c_cc[16]);
256 	bt->c_cc[VLNEXT]   = EMUL_TO_NATIVE_CC(st->c_cc[17]);
257 	bt->c_cc[VSTATUS]  = EMUL_TO_NATIVE_CC(st->c_cc[18]);
258 
259 #ifdef COMPAT_ULTRIX
260 	/* Ultrix termio/termios has real vmin/vtime */
261 	bt->c_cc[VMIN]	   = EMUL_TO_NATIVE_CC(st->c_cc[8]);
262 	bt->c_cc[VTIME]	   = EMUL_TO_NATIVE_CC(st->c_cc[9]);
263 #else
264 	/* if `raw mode', create native VMIN/VTIME from SunOS VEOF/VEOL */
265 	bt->c_cc[VMIN]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOF];
266 	bt->c_cc[VTIME]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOL];
267 #endif
268 
269 }
270 
271 /*
272  * Convert bsd termios to "sunos" emulated termios
273  */
274 static void
275 btios2stios(bt, st)
276 	struct termios *bt;
277 	struct emul_termios *st;
278 {
279 	u_long l, r;
280 
281 	l = bt->c_iflag;
282 	r = 	((l &  IGNBRK) ? 0x00000001	: 0);
283 	r |=	((l &  BRKINT) ? 0x00000002	: 0);
284 	r |=	((l &  IGNPAR) ? 0x00000004	: 0);
285 	r |=	((l &  PARMRK) ? 0x00000008	: 0);
286 	r |=	((l &   INPCK) ? 0x00000010	: 0);
287 	r |=	((l &  ISTRIP) ? 0x00000020	: 0);
288 	r |=	((l &   INLCR) ? 0x00000040	: 0);
289 	r |=	((l &   IGNCR) ? 0x00000080	: 0);
290 	r |=	((l &   ICRNL) ? 0x00000100	: 0);
291 	/*	((l &   IUCLC) ? 0x00000200	: 0) */
292 	r |=	((l &    IXON) ? 0x00000400	: 0);
293 	r |=	((l &   IXANY) ? 0x00000800	: 0);
294 	r |=	((l &   IXOFF) ? 0x00001000	: 0);
295 	r |=	((l & IMAXBEL) ? 0x00002000	: 0);
296 	st->c_iflag = r;
297 
298 	l = bt->c_oflag;
299 	r =	((l &   OPOST) ? 0x00000001	: 0);
300 	/*	((l &   OLCUC) ? 0x00000002	: 0) */
301 	r |=	((l &   ONLCR) ? 0x00000004	: 0);
302 	/*	((l &   OCRNL) ? 0x00000008	: 0) */
303 	/*	((l &   ONOCR) ? 0x00000010	: 0) */
304 	/*	((l &  ONLRET) ? 0x00000020	: 0) */
305 	/*	((l &   OFILL) ? 0x00000040	: 0) */
306 	/*	((l &   OFDEL) ? 0x00000080	: 0) */
307 	/*	((l &   NLDLY) ? 0x00000100	: 0) */
308 	/*	((l &     NL1) ? 0x00000100	: 0) */
309 	/*	((l &   CRDLY) ? 0x00000600	: 0) */
310 	/*	((l &     CR1) ? 0x00000200	: 0) */
311 	/*	((l &     CR2) ? 0x00000400	: 0) */
312 	/*	((l &     CR3) ? 0x00000600	: 0) */
313 	/*	((l &  TABDLY) ? 0x00001800	: 0) */
314 	/*	((l &    TAB1) ? 0x00000800	: 0) */
315 	/*	((l &    TAB2) ? 0x00001000	: 0) */
316 	r |=	((l &  OXTABS) ? 0x00001800	: 0);
317 	/*	((l &   BSDLY) ? 0x00002000	: 0) */
318 	/*	((l &     BS1) ? 0x00002000	: 0) */
319 	/*	((l &   VTDLY) ? 0x00004000	: 0) */
320 	/*	((l &     VT1) ? 0x00004000	: 0) */
321 	/*	((l &   FFDLY) ? 0x00008000	: 0) */
322 	/*	((l &     FF1) ? 0x00008000	: 0) */
323 	/*	((l & PAGEOUT) ? 0x00010000	: 0) */
324 	/*	((l &    WRAP) ? 0x00020000	: 0) */
325 	st->c_oflag = r;
326 
327 	l = bt->c_cflag;
328 	switch (l & CSIZE) {
329 	case CS5:
330 		r = 0;
331 		break;
332 	case CS6:
333 		r = 0x00000010;
334 		break;
335 	case CS7:
336 		r = 0x00000020;
337 		break;
338 	case CS8:
339 		r = 0x00000030;
340 		break;
341 	}
342 	r |=	((l &  CSTOPB) ? 0x00000040	: 0);
343 	r |=	((l &   CREAD) ? 0x00000080	: 0);
344 	r |=	((l &  PARENB) ? 0x00000100	: 0);
345 	r |=	((l &  PARODD) ? 0x00000200	: 0);
346 	r |=	((l &   HUPCL) ? 0x00000400	: 0);
347 	r |=	((l &  CLOCAL) ? 0x00000800	: 0);
348 	/*	((l &   LOBLK) ? 0x00001000	: 0) */
349 	r |=	((l & (CRTS_IFLOW|CCTS_OFLOW)) ? 0x80000000 : 0);
350 	st->c_cflag = r;
351 
352 	l = bt->c_lflag;
353 	r =	((l &    ISIG) ? 0x00000001	: 0);
354 	r |=	((l &  ICANON) ? 0x00000002	: 0);
355 	/*	((l &   XCASE) ? 0x00000004	: 0) */
356 	r |=	((l &    ECHO) ? 0x00000008	: 0);
357 	r |=	((l &   ECHOE) ? 0x00000010	: 0);
358 	r |=	((l &   ECHOK) ? 0x00000020	: 0);
359 	r |=	((l &  ECHONL) ? 0x00000040	: 0);
360 	r |=	((l &  NOFLSH) ? 0x00000080	: 0);
361 	r |=	((l &  TOSTOP) ? 0x00000100	: 0);
362 	r |=	((l & ECHOCTL) ? 0x00000200	: 0);
363 	r |=	((l & ECHOPRT) ? 0x00000400	: 0);
364 	r |=	((l &  ECHOKE) ? 0x00000800	: 0);
365 	/*	((l & DEFECHO) ? 0x00001000	: 0) */
366 	r |=	((l &  FLUSHO) ? 0x00002000	: 0);
367 	r |=	((l &  PENDIN) ? 0x00004000	: 0);
368 	st->c_lflag = r;
369 
370 	l = ttspeedtab(bt->c_ospeed, sptab);
371 	if (l >= 0)
372 		st->c_cflag |= l;
373 
374 	st->c_cc[0] = NATIVE_TO_EMUL_CC(bt->c_cc[VINTR]);
375 	st->c_cc[1] = NATIVE_TO_EMUL_CC(bt->c_cc[VQUIT]);
376 	st->c_cc[2] = NATIVE_TO_EMUL_CC(bt->c_cc[VERASE]);
377 	st->c_cc[3] = NATIVE_TO_EMUL_CC(bt->c_cc[VKILL]);
378 	st->c_cc[4] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOF]);
379 	st->c_cc[5] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL]);
380 	st->c_cc[6] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL2]);
381 
382 	/* XXX ultrix has a VSWTCH.  NetBSD does not. */
383 #ifdef notdef
384 	st->c_cc[7] = NATIVE_TO_EMUL_CC(bt->c_cc[VSWTCH]);
385 #else
386 	st->c_cc[7] = 0;
387 #endif
388 	st->c_cc[10] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTART]);
389 	st->c_cc[11] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTOP]);
390 	st->c_cc[12]= NATIVE_TO_EMUL_CC(bt->c_cc[VSUSP]);
391 	st->c_cc[13]= NATIVE_TO_EMUL_CC(bt->c_cc[VDSUSP]);
392 	st->c_cc[14]= NATIVE_TO_EMUL_CC(bt->c_cc[VREPRINT]);
393 	st->c_cc[15]= NATIVE_TO_EMUL_CC(bt->c_cc[VDISCARD]);
394 	st->c_cc[16]= NATIVE_TO_EMUL_CC(bt->c_cc[VWERASE]);
395 	st->c_cc[17]= NATIVE_TO_EMUL_CC(bt->c_cc[VLNEXT]);
396 	st->c_cc[18]= NATIVE_TO_EMUL_CC(bt->c_cc[VSTATUS]);
397 
398 #ifdef COMPAT_ULTRIX
399 	st->c_cc[8]= NATIVE_TO_EMUL_CC(bt->c_cc[VMIN]);
400 	st->c_cc[9]= NATIVE_TO_EMUL_CC(bt->c_cc[VTIME]);
401 #else
402 	if (!(bt->c_lflag & ICANON)) {
403 		/* SunOS stores VMIN/VTIME in VEOF/VEOL (if ICANON is off) */
404 		st->c_cc[4] = bt->c_cc[VMIN];
405 		st->c_cc[5] = bt->c_cc[VTIME];
406 	}
407 #endif
408 
409 #ifdef COMPAT_SUNOS
410 	st->c_line = 0;	/* 4.3bsd "old" line discipline */
411 #else
412 	st->c_line = 2;	/* 4.3bsd "new" line discipline, Ultrix default. */
413 #endif
414 }
415 
416 #define TERMIO_NCC 10	/* ultrix termio NCC is 10 */
417 
418 /*
419  * Convert emulated struct termios to termio(?)
420  */
421 static void
422 stios2stio(ts, t)
423 	struct emul_termios *ts;
424 	struct emul_termio *t;
425 {
426 	t->c_iflag = ts->c_iflag;
427 	t->c_oflag = ts->c_oflag;
428 	t->c_cflag = ts->c_cflag;
429 	t->c_lflag = ts->c_lflag;
430 	t->c_line  = ts->c_line;
431 	memcpy(t->c_cc, ts->c_cc, TERMIO_NCC);
432 }
433 
434 /*
435  * Convert the other way
436  */
437 static void
438 stio2stios(t, ts)
439 	struct emul_termio *t;
440 	struct emul_termios *ts;
441 {
442 	ts->c_iflag = t->c_iflag;
443 	ts->c_oflag = t->c_oflag;
444 	ts->c_cflag = t->c_cflag;
445 	ts->c_lflag = t->c_lflag;
446 	ts->c_line  = t->c_line;
447 	memcpy(ts->c_cc, t->c_cc, TERMIO_NCC); /* don't touch the upper fields! */
448 }
449 
450 int
451 ultrix_sys_ioctl(p, v, retval)
452 	struct proc *p;
453 	void *v;
454 	register_t *retval;
455 {
456 	struct ultrix_sys_ioctl_args *uap = v;
457 	struct filedesc *fdp = p->p_fd;
458 	struct file *fp;
459 	int (*ctl) __P((struct file *, u_long, caddr_t, struct proc *));
460 	int error;
461 
462 	if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
463 		return EBADF;
464 
465 	if ((fp->f_flag & (FREAD|FWRITE)) == 0)
466 		return EBADF;
467 
468 	ctl = fp->f_ops->fo_ioctl;
469 
470 	switch (SCARG(uap, com)) {
471 	case _IOR('t', 0, int):
472 		SCARG(uap, com) = TIOCGETD;
473 		break;
474 	case _IOW('t', 1, int):
475 	    {
476 		int disc;
477 
478 		if ((error = copyin(SCARG(uap, data), (caddr_t)&disc,
479 		    sizeof disc)) != 0)
480 			return error;
481 
482 		/* map SunOS NTTYDISC into our termios discipline */
483 		if (disc == 2)
484 			disc = 0;
485 		/* all other disciplines are not supported by NetBSD */
486 		if (disc)
487 			return ENXIO;
488 
489 		return (*ctl)(fp, TIOCSETD, (caddr_t)&disc, p);
490 	    }
491 	case _IOW('t', 101, int):	/* sun SUNOS_TIOCSSOFTCAR */
492 	    {
493 		int x;	/* unused */
494 
495 		return copyin((caddr_t)&x, SCARG(uap, data), sizeof x);
496 	    }
497 	case _IOR('t', 100, int):	/* sun SUNOS_TIOCSSOFTCAR */
498 	    {
499 		int x = 0;
500 
501 		return copyout((caddr_t)&x, SCARG(uap, data), sizeof x);
502 	    }
503 	case _IO('t', 36): 		/* sun TIOCCONS, no parameters */
504 	    {
505 		int on = 1;
506 		return (*ctl)(fp, TIOCCONS, (caddr_t)&on, p);
507 	    }
508 	case _IOW('t', 37, struct sunos_ttysize):
509 	    {
510 		struct winsize ws;
511 		struct sunos_ttysize ss;
512 
513 		if ((error = (*ctl)(fp, TIOCGWINSZ, (caddr_t)&ws, p)) != 0)
514 			return (error);
515 
516 		if ((error = copyin (SCARG(uap, data), &ss, sizeof (ss))) != 0)
517 			return error;
518 
519 		ws.ws_row = ss.ts_row;
520 		ws.ws_col = ss.ts_col;
521 
522 		return ((*ctl)(fp, TIOCSWINSZ, (caddr_t)&ws, p));
523 	    }
524 	case _IOW('t', 38, struct sunos_ttysize):
525 	    {
526 		struct winsize ws;
527 		struct sunos_ttysize ss;
528 
529 		if ((error = (*ctl)(fp, TIOCGWINSZ, (caddr_t)&ws, p)) != 0)
530 			return (error);
531 
532 		ss.ts_row = ws.ws_row;
533 		ss.ts_col = ws.ws_col;
534 
535 		return copyout ((caddr_t)&ss, SCARG(uap, data), sizeof (ss));
536 	    }
537 	case _IOW('t', 118, int):
538 		SCARG(uap, com) = TIOCSPGRP;
539 		break;
540 	case _IOR('t', 119, int):
541 		SCARG(uap, com) = TIOCGPGRP;
542 		break;
543 
544 	/* Emulate termio or termios tcget() */
545 	case ULTRIX_TCGETA:
546 	case ULTRIX_TCGETS:
547 	    {
548 		struct termios bts;
549 		struct ultrix_termios sts;
550 		struct ultrix_termio st;
551 
552 		if ((error = (*ctl)(fp, TIOCGETA, (caddr_t)&bts, p)) != 0)
553 			return error;
554 
555 		btios2stios (&bts, &sts);
556 		if (SCARG(uap, com) == ULTRIX_TCGETA) {
557 			stios2stio (&sts, &st);
558 			return copyout((caddr_t)&st, SCARG(uap, data),
559 			    sizeof (st));
560 		} else
561 			return copyout((caddr_t)&sts, SCARG(uap, data),
562 			    sizeof (sts));
563 		/*NOTREACHED*/
564 	    }
565 	/* Emulate termio tcset() */
566 	case ULTRIX_TCSETA:
567 	case ULTRIX_TCSETAW:
568 	case ULTRIX_TCSETAF:
569 	    {
570 		struct termios bts;
571 		struct ultrix_termios sts;
572 		struct ultrix_termio st;
573 		int result;
574 
575 		if ((error = copyin(SCARG(uap, data), (caddr_t)&st,
576 		    sizeof (st))) != 0)
577 			return error;
578 
579 		/* get full BSD termios so we don't lose information */
580 		if ((error = (*ctl)(fp, TIOCGETA, (caddr_t)&bts, p)) != 0)
581 			return error;
582 
583 		/*
584 		 * convert to sun termios, copy in information from
585 		 * termio, and convert back, then set new values.
586 		 */
587 		btios2stios(&bts, &sts);
588 		stio2stios(&st, &sts);
589 		stios2btios(&sts, &bts);
590 
591 		/*
592 		 * map ioctl code: ultrix tcsets are numbered in reverse order
593 		 */
594 #ifdef notyet
595 		return (*ctl)(fp, ULTRIX_TCSETA - SCARG(uap, com) + TIOCSETA,
596 		    (caddr_t)&bts, p);
597 #else
598 		result= (*ctl)(fp, ULTRIX_TCSETA -  SCARG(uap, com) + TIOCSETA,
599 		    (caddr_t)&bts, p);
600 		printf("ultrix TCSETA %lx returns %d\n",
601 		    ULTRIX_TCSETA - SCARG(uap, com), result);
602 		return result;
603 #endif
604 
605 	    }
606 	/* Emulate termios tcset() */
607 	case ULTRIX_TCSETS:
608 	case ULTRIX_TCSETSW:
609 	case ULTRIX_TCSETSF:
610 	    {
611 		struct termios bts;
612 		struct ultrix_termios sts;
613 
614 		if ((error = copyin (SCARG(uap, data), (caddr_t)&sts,
615 		    sizeof (sts))) != 0)
616 			return error;
617 		stios2btios (&sts, &bts);
618 		return (*ctl)(fp, ULTRIX_TCSETS - SCARG(uap, com) + TIOCSETA,
619 		    (caddr_t)&bts, p);
620 	    }
621 /*
622  * Pseudo-tty ioctl translations.
623  */
624 	case _IOW('t', 32, int): {	/* TIOCTCNTL */
625 		int error, on;
626 
627 		error = copyin (SCARG(uap, data), (caddr_t)&on, sizeof (on));
628 		if (error != 0)
629 			return error;
630 		return (*ctl)(fp, TIOCUCNTL, (caddr_t)&on, p);
631 	}
632 	case _IOW('t', 33, int): {	/* TIOCSIGNAL */
633 		int error, sig;
634 
635 		error = copyin (SCARG(uap, data), (caddr_t)&sig, sizeof (sig));
636 		if (error != 0)
637 			return error;
638 		return (*ctl)(fp, TIOCSIG, (caddr_t)&sig, p);
639 	}
640 
641 /*
642  * Socket ioctl translations.
643  */
644 #define IN_TYPE(a, type_t) { \
645 	type_t localbuf; \
646 	if ((error = copyin (SCARG(uap, data), \
647 				(caddr_t)&localbuf, sizeof (type_t))) != 0) \
648 		return error; \
649 	return (*ctl)(fp, a, (caddr_t)&localbuf, p); \
650 }
651 
652 #define INOUT_TYPE(a, type_t) { \
653 	type_t localbuf; \
654 	if ((error = copyin (SCARG(uap, data), (caddr_t)&localbuf,	\
655 			     sizeof (type_t))) != 0) \
656 		return error; \
657 	if ((error = (*ctl)(fp, a, (caddr_t)&localbuf, p)) != 0) \
658 		return error; \
659 	return copyout ((caddr_t)&localbuf, SCARG(uap, data), sizeof (type_t)); \
660 }
661 
662 
663 #define IFREQ_IN(a) { \
664 	struct ifreq ifreq; \
665 	if ((error = copyin (SCARG(uap, data), (caddr_t)&ifreq, sizeof (ifreq))) != 0) \
666 		return error; \
667 	return (*ctl)(fp, a, (caddr_t)&ifreq, p); \
668 }
669 
670 #define IFREQ_INOUT(a) { \
671 	struct ifreq ifreq; \
672 	if ((error = copyin (SCARG(uap, data), (caddr_t)&ifreq, sizeof (ifreq))) != 0) \
673 		return error; \
674 	if ((error = (*ctl)(fp, a, (caddr_t)&ifreq, p)) != 0) \
675 		return error; \
676 	return copyout ((caddr_t)&ifreq, SCARG(uap, data), sizeof (ifreq)); \
677 }
678 
679 	case _IOW('i', 12, struct ifreq):
680 		/* SIOCSIFADDR */
681 		break;
682 
683 	case _IOWR('i', 13, struct ifreq):
684 		IFREQ_INOUT(OSIOCGIFADDR);
685 
686 	case _IOW('i', 14, struct ifreq):
687 		/* SIOCSIFDSTADDR */
688 		break;
689 
690 	case _IOWR('i', 15, struct ifreq):
691 		IFREQ_INOUT(OSIOCGIFDSTADDR);
692 
693 	case _IOW('i', 16, struct ifreq):
694 		/* SIOCSIFFLAGS */
695 		break;
696 
697 	case _IOWR('i', 17, struct ifreq):
698 		/* SIOCGIFFLAGS */
699 		break;
700 
701 	case _IOWR('i', 18, struct ifreq):
702 		IFREQ_INOUT(SIOCGIFBRDADDR);
703 
704 	case _IOWR('i', 19, struct ifreq):
705 		IFREQ_INOUT(SIOCSIFBRDADDR);
706 
707 	case _IOWR('i', 21, struct ifreq):
708 		IFREQ_INOUT(OSIOCGIFNETMASK);
709 
710 	case _IOW('i', 22, struct ifreq):
711 		IFREQ_IN(SIOCSIFNETMASK);
712 
713 	/* 18: _IOWR('i', 18, struct ifreq):  Ultrix SIOCGIFBRDADDR */
714 	/* 19: _IOW('i',  19, struct ifreq):  Ultrix SIOCSIFBRDADDR */
715 	/* 20: _IOWR('i', 20, struct ifreq):  Ultrix SIOCSIFCONF */
716 	/* 21: _IOWR('i', 21, struct ifreq):  Ultrix SIOCGIFNETMASK */
717 	/* 22: _IOW('i',  22, struct ifreq):  Ultrix SIOCSIFNETMASK */
718 	/* 23: _IOWR('i', 23, struct ifreq):  Ultrix SIOCSPHYADDR */
719 	/* 24: _IOWR('i', 24, struct ifreq):  Ultrix SIOCSADDMULTI */
720 	/* 25: _IOWR('i', 25, struct ifreq):  Ultrix SIOCSDELMULTI */
721 
722 	/* 30: _IOWR('i', 30, struct arpreq):  Ultrix SIOCSARP */
723 	/* 31: _IOWR('i', 31, struct arpreq):  Ultrix SIOCGARP */
724 	/* 32: _IOWR('i', 32, struct arpreq):  Ultrix SIOCDARP */
725 
726 	case _IOWR('i', 41, struct ifreq):
727 		IFREQ_INOUT(SIOCGIFMETRIC);
728 
729 	case _IOWR('i', 42, struct ifreq):
730 		IFREQ_IN(SIOCSIFMETRIC);
731 
732 	case _IOW('i', 30, struct arpreq):
733 		/* SIOCSARP */
734 		break;
735 
736 	case _IOWR('i', 31, struct arpreq):
737 		/* SIOCGARP */
738 		break;
739 
740 	case _IOW('i', 32, struct arpreq):
741 		/* SIOCDARP */
742 		break;
743 
744 	case _IOW('i',  26, struct ifreq):	/* SIOCSIFRDCTRS? */
745 	case _IOWR('i', 27, struct ifreq):	/* SIOCGIFZCTRS? */
746 	case _IOWR('i', 28, struct ifreq):	/* read physaddr ? */
747 
748 	case _IOW('i', 40, struct ifreq):	/* SIOCARPREQ */
749 	case _IOW('i', 44, struct ifreq):	/* SIOCSETSYNC */
750 	case _IOWR('i', 45, struct ifreq):	/* SIOCGETSYNC */
751 	case _IOWR('i', 46, struct ifreq):	/* SIOCSDSTATS */
752 	case _IOWR('i', 47, struct ifreq):	/* SIOCSESTATS */
753 	case _IOW('i', 48, int):		/* SIOCSPROMISC */
754 		return EOPNOTSUPP;
755 
756 	/* emulate for vat, vic tools */
757 	case _IOW('i', 49, struct ifreq):	/* SIOCADDMULTI */
758 	case _IOW('i', 50, struct ifreq):	/* SIOCDELMULTI */
759 		return EOPNOTSUPP;
760 
761 	case _IOWR('i', 20, struct ifconf):	/* SIOCGIFCONF */
762 	    {
763 		struct ifconf ifconf;
764 
765 		/*
766 		 * XXX: two more problems
767 		 * 1. our sockaddr's are variable length, not always sizeof(sockaddr)
768 		 * 2. this returns a name per protocol, ie. it returns two "lo0"'s
769 		 */
770 		error = copyin (SCARG(uap, data), (caddr_t)&ifconf,
771 		    sizeof (ifconf));
772 		if (error)
773 			return error;
774 		error = (*ctl)(fp, OSIOCGIFCONF, (caddr_t)&ifconf, p);
775 		if (error)
776 			return error;
777 		return copyout ((caddr_t)&ifconf, SCARG(uap, data),
778 		    sizeof (ifconf));
779 	    }
780 
781 	}
782 	return (sys_ioctl(p, uap, retval));
783 }
784