xref: /netbsd-src/sys/compat/ultrix/ultrix_ioctl.c (revision d710132b4b8ce7f7cccaaf660cb16aa16b4077a0)
1 /*	$NetBSD: ultrix_ioctl.c,v 1.21 2003/05/07 14:21:20 christos 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 1.21 2003/05/07 14:21:20 christos 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/sa.h>
54 #include <sys/syscallargs.h>
55 
56 #include <compat/sunos/sunos.h>
57 
58 #include <compat/ultrix/ultrix_tty.h>
59 
60 #define emul_termio	ultrix_termio
61 #define emul_termios	ultrix_termios
62 
63 /*
64  * SunOS ioctl calls.
65  * This file is something of a hodge-podge.
66  * Support gets added as things turn up....
67  */
68 
69 static struct speedtab sptab[] = {
70 	{ 0, 0 },
71 	{ 50, 1 },
72 	{ 75, 2 },
73 	{ 110, 3 },
74 	{ 134, 4 },
75 	{ 135, 4 },
76 	{ 150, 5 },
77 	{ 200, 6 },
78 	{ 300, 7 },
79 	{ 600, 8 },
80 	{ 1200, 9 },
81 	{ 1800, 10 },
82 	{ 2400, 11 },
83 	{ 4800, 12 },
84 	{ 9600, 13 },
85 	{ 19200, 14 },
86 	{ 38400, 15 },
87 	{ -1, -1 }
88 };
89 
90 static u_long s2btab[] = {
91 	0,
92 	50,
93 	75,
94 	110,
95 	134,
96 	150,
97 	200,
98 	300,
99 	600,
100 	1200,
101 	1800,
102 	2400,
103 	4800,
104 	9600,
105 	19200,
106 	38400,
107 };
108 
109 
110 /*
111  * Translate a single tty control char from the emulation value
112  * to native termios, and vice-versa. Special-case
113  * the value of POSIX_VDISABLE, mapping it to and from 0.
114  */
115 #define NATIVE_TO_EMUL_CC(bsd_cc) \
116  (((bsd_cc)   != _POSIX_VDISABLE) ? (bsd_cc) : 0)
117 
118 #define EMUL_TO_NATIVE_CC(emul_cc) \
119  (emul_cc) ? (emul_cc) : _POSIX_VDISABLE;
120 
121 
122 static void stios2btios __P((struct emul_termios *, struct termios *));
123 static void btios2stios __P((struct termios *, struct emul_termios *));
124 static void stios2stio __P((struct emul_termios *, struct emul_termio *));
125 static void stio2stios __P((struct emul_termio *, struct emul_termios *));
126 
127 /*
128  * these two conversion functions have mostly been done
129  * with some perl cut&paste, then handedited to comment
130  * out what doesn't exist under NetBSD.
131  * A note from Markus's code:
132  *	(l & BITMASK1) / BITMASK1 * BITMASK2  is translated
133  *	optimally by gcc m68k, much better than any ?: stuff.
134  *	Code may vary with different architectures of course.
135  *
136  * I don't know what optimizer you used, but seeing divu's and
137  * bfextu's in the m68k assembly output did not encourage me...
138  * as well, gcc on the sparc definately generates much better
139  * code with ?:.
140  */
141 
142 
143 static void
144 stios2btios(st, bt)
145 	struct emul_termios *st;
146 	struct termios *bt;
147 {
148 	u_long l, r;
149 
150 	l = st->c_iflag;
151 	r = 	((l & 0x00000001) ? IGNBRK	: 0);
152 	r |=	((l & 0x00000002) ? BRKINT	: 0);
153 	r |=	((l & 0x00000004) ? IGNPAR	: 0);
154 	r |=	((l & 0x00000008) ? PARMRK	: 0);
155 	r |=	((l & 0x00000010) ? INPCK	: 0);
156 	r |=	((l & 0x00000020) ? ISTRIP	: 0);
157 	r |= 	((l & 0x00000040) ? INLCR	: 0);
158 	r |=	((l & 0x00000080) ? IGNCR	: 0);
159 	r |=	((l & 0x00000100) ? ICRNL	: 0);
160 	/*	((l & 0x00000200) ? IUCLC	: 0) */
161 	r |=	((l & 0x00000400) ? IXON	: 0);
162 	r |=	((l & 0x00000800) ? IXANY	: 0);
163 	r |=	((l & 0x00001000) ? IXOFF	: 0);
164 	r |=	((l & 0x00002000) ? IMAXBEL	: 0);
165 	bt->c_iflag = r;
166 
167 	l = st->c_oflag;
168 	r = 	((l & 0x00000001) ? OPOST	: 0);
169 	/*	((l & 0x00000002) ? OLCUC	: 0) */
170 	r |=	((l & 0x00000004) ? ONLCR	: 0);
171 	/*	((l & 0x00000008) ? OCRNL	: 0) */
172 	/*	((l & 0x00000010) ? ONOCR	: 0) */
173 	/*	((l & 0x00000020) ? ONLRET	: 0) */
174 	/*	((l & 0x00000040) ? OFILL	: 0) */
175 	/*	((l & 0x00000080) ? OFDEL	: 0) */
176 	/*	((l & 0x00000100) ? NLDLY	: 0) */
177 	/*	((l & 0x00000100) ? NL1		: 0) */
178 	/*	((l & 0x00000600) ? CRDLY	: 0) */
179 	/*	((l & 0x00000200) ? CR1		: 0) */
180 	/*	((l & 0x00000400) ? CR2		: 0) */
181 	/*	((l & 0x00000600) ? CR3		: 0) */
182 	/*	((l & 0x00001800) ? TABDLY	: 0) */
183 	/*	((l & 0x00000800) ? TAB1	: 0) */
184 	/*	((l & 0x00001000) ? TAB2	: 0) */
185 	r |=	((l & 0x00001800) ? OXTABS	: 0);
186 	/*	((l & 0x00002000) ? BSDLY	: 0) */
187 	/*	((l & 0x00002000) ? BS1		: 0) */
188 	/*	((l & 0x00004000) ? VTDLY	: 0) */
189 	/*	((l & 0x00004000) ? VT1		: 0) */
190 	/*	((l & 0x00008000) ? FFDLY	: 0) */
191 	/*	((l & 0x00008000) ? FF1		: 0) */
192 	/*	((l & 0x00010000) ? PAGEOUT	: 0) */
193 	/*	((l & 0x00020000) ? WRAP	: 0) */
194 	bt->c_oflag = r;
195 
196 	l = st->c_cflag;
197 	switch (l & 0x00000030) {
198 	case 0:
199 		r = CS5;
200 		break;
201 	case 0x00000010:
202 		r = CS6;
203 		break;
204 	case 0x00000020:
205 		r = CS7;
206 		break;
207 	case 0x00000030:
208 		r = CS8;
209 		break;
210 	}
211 	r |=	((l & 0x00000040) ? CSTOPB	: 0);
212 	r |=	((l & 0x00000080) ? CREAD	: 0);
213 	r |= 	((l & 0x00000100) ? PARENB	: 0);
214 	r |=	((l & 0x00000200) ? PARODD	: 0);
215 	r |=	((l & 0x00000400) ? HUPCL	: 0);
216 	r |=	((l & 0x00000800) ? CLOCAL	: 0);
217 	/*	((l & 0x00001000) ? LOBLK	: 0) */
218 	r |=	((l & 0x80000000) ? (CRTS_IFLOW|CCTS_OFLOW) : 0);
219 	bt->c_cflag = r;
220 
221 	bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f];
222 
223 	l = st->c_lflag;
224 	r = 	((l & 0x00000001) ? ISIG	: 0);
225 	r |=	((l & 0x00000002) ? ICANON	: 0);
226 	/*	((l & 0x00000004) ? XCASE	: 0) */
227 	r |=	((l & 0x00000008) ? ECHO	: 0);
228 	r |=	((l & 0x00000010) ? ECHOE	: 0);
229 	r |=	((l & 0x00000020) ? ECHOK	: 0);
230 	r |=	((l & 0x00000040) ? ECHONL	: 0);
231 	r |= 	((l & 0x00000080) ? NOFLSH	: 0);
232 	r |=	((l & 0x00000100) ? TOSTOP	: 0);
233 	r |=	((l & 0x00000200) ? ECHOCTL	: 0);
234 	r |=	((l & 0x00000400) ? ECHOPRT	: 0);
235 	r |=	((l & 0x00000800) ? ECHOKE	: 0);
236 	/*	((l & 0x00001000) ? DEFECHO	: 0) */
237 	r |=	((l & 0x00002000) ? FLUSHO	: 0);
238 	r |=	((l & 0x00004000) ? PENDIN	: 0);
239 	bt->c_lflag = r;
240 
241 	bt->c_cc[VINTR]    = EMUL_TO_NATIVE_CC(st->c_cc[0]);
242 	bt->c_cc[VQUIT]    = EMUL_TO_NATIVE_CC(st->c_cc[1]);
243 	bt->c_cc[VERASE]   = EMUL_TO_NATIVE_CC(st->c_cc[2]);
244 	bt->c_cc[VKILL]    = EMUL_TO_NATIVE_CC(st->c_cc[3]);
245 	bt->c_cc[VEOF]     = EMUL_TO_NATIVE_CC(st->c_cc[4]);
246 	bt->c_cc[VEOL]     = EMUL_TO_NATIVE_CC(st->c_cc[5]);
247 	bt->c_cc[VEOL2]    = EMUL_TO_NATIVE_CC(st->c_cc[6]);
248 	/* not present on NetBSD */
249 	/* bt->c_cc[VSWTCH]   = EMUL_TO_NATIVE_CC(st->c_cc[7]); */
250 	bt->c_cc[VSTART]   = EMUL_TO_NATIVE_CC(st->c_cc[10]);
251 	bt->c_cc[VSTOP]    = EMUL_TO_NATIVE_CC(st->c_cc[11]);
252 	bt->c_cc[VSUSP]    = EMUL_TO_NATIVE_CC(st->c_cc[12]);
253 	bt->c_cc[VDSUSP]   = EMUL_TO_NATIVE_CC(st->c_cc[13]);
254 	bt->c_cc[VREPRINT] = EMUL_TO_NATIVE_CC(st->c_cc[14]);
255 	bt->c_cc[VDISCARD] = EMUL_TO_NATIVE_CC(st->c_cc[15]);
256 	bt->c_cc[VWERASE]  = EMUL_TO_NATIVE_CC(st->c_cc[16]);
257 	bt->c_cc[VLNEXT]   = EMUL_TO_NATIVE_CC(st->c_cc[17]);
258 	bt->c_cc[VSTATUS]  = EMUL_TO_NATIVE_CC(st->c_cc[18]);
259 
260 #ifdef COMPAT_ULTRIX
261 	/* Ultrix termio/termios has real vmin/vtime */
262 	bt->c_cc[VMIN]	   = EMUL_TO_NATIVE_CC(st->c_cc[8]);
263 	bt->c_cc[VTIME]	   = EMUL_TO_NATIVE_CC(st->c_cc[9]);
264 #else
265 	/* if `raw mode', create native VMIN/VTIME from SunOS VEOF/VEOL */
266 	bt->c_cc[VMIN]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOF];
267 	bt->c_cc[VTIME]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOL];
268 #endif
269 
270 }
271 
272 /*
273  * Convert bsd termios to "sunos" emulated termios
274  */
275 static void
276 btios2stios(bt, st)
277 	struct termios *bt;
278 	struct emul_termios *st;
279 {
280 	u_long l, r;
281 
282 	l = bt->c_iflag;
283 	r = 	((l &  IGNBRK) ? 0x00000001	: 0);
284 	r |=	((l &  BRKINT) ? 0x00000002	: 0);
285 	r |=	((l &  IGNPAR) ? 0x00000004	: 0);
286 	r |=	((l &  PARMRK) ? 0x00000008	: 0);
287 	r |=	((l &   INPCK) ? 0x00000010	: 0);
288 	r |=	((l &  ISTRIP) ? 0x00000020	: 0);
289 	r |=	((l &   INLCR) ? 0x00000040	: 0);
290 	r |=	((l &   IGNCR) ? 0x00000080	: 0);
291 	r |=	((l &   ICRNL) ? 0x00000100	: 0);
292 	/*	((l &   IUCLC) ? 0x00000200	: 0) */
293 	r |=	((l &    IXON) ? 0x00000400	: 0);
294 	r |=	((l &   IXANY) ? 0x00000800	: 0);
295 	r |=	((l &   IXOFF) ? 0x00001000	: 0);
296 	r |=	((l & IMAXBEL) ? 0x00002000	: 0);
297 	st->c_iflag = r;
298 
299 	l = bt->c_oflag;
300 	r =	((l &   OPOST) ? 0x00000001	: 0);
301 	/*	((l &   OLCUC) ? 0x00000002	: 0) */
302 	r |=	((l &   ONLCR) ? 0x00000004	: 0);
303 	/*	((l &   OCRNL) ? 0x00000008	: 0) */
304 	/*	((l &   ONOCR) ? 0x00000010	: 0) */
305 	/*	((l &  ONLRET) ? 0x00000020	: 0) */
306 	/*	((l &   OFILL) ? 0x00000040	: 0) */
307 	/*	((l &   OFDEL) ? 0x00000080	: 0) */
308 	/*	((l &   NLDLY) ? 0x00000100	: 0) */
309 	/*	((l &     NL1) ? 0x00000100	: 0) */
310 	/*	((l &   CRDLY) ? 0x00000600	: 0) */
311 	/*	((l &     CR1) ? 0x00000200	: 0) */
312 	/*	((l &     CR2) ? 0x00000400	: 0) */
313 	/*	((l &     CR3) ? 0x00000600	: 0) */
314 	/*	((l &  TABDLY) ? 0x00001800	: 0) */
315 	/*	((l &    TAB1) ? 0x00000800	: 0) */
316 	/*	((l &    TAB2) ? 0x00001000	: 0) */
317 	r |=	((l &  OXTABS) ? 0x00001800	: 0);
318 	/*	((l &   BSDLY) ? 0x00002000	: 0) */
319 	/*	((l &     BS1) ? 0x00002000	: 0) */
320 	/*	((l &   VTDLY) ? 0x00004000	: 0) */
321 	/*	((l &     VT1) ? 0x00004000	: 0) */
322 	/*	((l &   FFDLY) ? 0x00008000	: 0) */
323 	/*	((l &     FF1) ? 0x00008000	: 0) */
324 	/*	((l & PAGEOUT) ? 0x00010000	: 0) */
325 	/*	((l &    WRAP) ? 0x00020000	: 0) */
326 	st->c_oflag = r;
327 
328 	l = bt->c_cflag;
329 	switch (l & CSIZE) {
330 	case CS5:
331 		r = 0;
332 		break;
333 	case CS6:
334 		r = 0x00000010;
335 		break;
336 	case CS7:
337 		r = 0x00000020;
338 		break;
339 	case CS8:
340 		r = 0x00000030;
341 		break;
342 	}
343 	r |=	((l &  CSTOPB) ? 0x00000040	: 0);
344 	r |=	((l &   CREAD) ? 0x00000080	: 0);
345 	r |=	((l &  PARENB) ? 0x00000100	: 0);
346 	r |=	((l &  PARODD) ? 0x00000200	: 0);
347 	r |=	((l &   HUPCL) ? 0x00000400	: 0);
348 	r |=	((l &  CLOCAL) ? 0x00000800	: 0);
349 	/*	((l &   LOBLK) ? 0x00001000	: 0) */
350 	r |=	((l & (CRTS_IFLOW|CCTS_OFLOW)) ? 0x80000000 : 0);
351 	st->c_cflag = r;
352 
353 	l = bt->c_lflag;
354 	r =	((l &    ISIG) ? 0x00000001	: 0);
355 	r |=	((l &  ICANON) ? 0x00000002	: 0);
356 	/*	((l &   XCASE) ? 0x00000004	: 0) */
357 	r |=	((l &    ECHO) ? 0x00000008	: 0);
358 	r |=	((l &   ECHOE) ? 0x00000010	: 0);
359 	r |=	((l &   ECHOK) ? 0x00000020	: 0);
360 	r |=	((l &  ECHONL) ? 0x00000040	: 0);
361 	r |=	((l &  NOFLSH) ? 0x00000080	: 0);
362 	r |=	((l &  TOSTOP) ? 0x00000100	: 0);
363 	r |=	((l & ECHOCTL) ? 0x00000200	: 0);
364 	r |=	((l & ECHOPRT) ? 0x00000400	: 0);
365 	r |=	((l &  ECHOKE) ? 0x00000800	: 0);
366 	/*	((l & DEFECHO) ? 0x00001000	: 0) */
367 	r |=	((l &  FLUSHO) ? 0x00002000	: 0);
368 	r |=	((l &  PENDIN) ? 0x00004000	: 0);
369 	st->c_lflag = r;
370 
371 	l = ttspeedtab(bt->c_ospeed, sptab);
372 	if (l >= 0)
373 		st->c_cflag |= l;
374 
375 	st->c_cc[0] = NATIVE_TO_EMUL_CC(bt->c_cc[VINTR]);
376 	st->c_cc[1] = NATIVE_TO_EMUL_CC(bt->c_cc[VQUIT]);
377 	st->c_cc[2] = NATIVE_TO_EMUL_CC(bt->c_cc[VERASE]);
378 	st->c_cc[3] = NATIVE_TO_EMUL_CC(bt->c_cc[VKILL]);
379 	st->c_cc[4] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOF]);
380 	st->c_cc[5] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL]);
381 	st->c_cc[6] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL2]);
382 
383 	/* XXX ultrix has a VSWTCH.  NetBSD does not. */
384 #ifdef notdef
385 	st->c_cc[7] = NATIVE_TO_EMUL_CC(bt->c_cc[VSWTCH]);
386 #else
387 	st->c_cc[7] = 0;
388 #endif
389 	st->c_cc[10] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTART]);
390 	st->c_cc[11] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTOP]);
391 	st->c_cc[12]= NATIVE_TO_EMUL_CC(bt->c_cc[VSUSP]);
392 	st->c_cc[13]= NATIVE_TO_EMUL_CC(bt->c_cc[VDSUSP]);
393 	st->c_cc[14]= NATIVE_TO_EMUL_CC(bt->c_cc[VREPRINT]);
394 	st->c_cc[15]= NATIVE_TO_EMUL_CC(bt->c_cc[VDISCARD]);
395 	st->c_cc[16]= NATIVE_TO_EMUL_CC(bt->c_cc[VWERASE]);
396 	st->c_cc[17]= NATIVE_TO_EMUL_CC(bt->c_cc[VLNEXT]);
397 	st->c_cc[18]= NATIVE_TO_EMUL_CC(bt->c_cc[VSTATUS]);
398 
399 #ifdef COMPAT_ULTRIX
400 	st->c_cc[8]= NATIVE_TO_EMUL_CC(bt->c_cc[VMIN]);
401 	st->c_cc[9]= NATIVE_TO_EMUL_CC(bt->c_cc[VTIME]);
402 #else
403 	if (!(bt->c_lflag & ICANON)) {
404 		/* SunOS stores VMIN/VTIME in VEOF/VEOL (if ICANON is off) */
405 		st->c_cc[4] = bt->c_cc[VMIN];
406 		st->c_cc[5] = bt->c_cc[VTIME];
407 	}
408 #endif
409 
410 #ifdef COMPAT_SUNOS
411 	st->c_line = 0;	/* 4.3bsd "old" line discipline */
412 #else
413 	st->c_line = 2;	/* 4.3bsd "new" line discipline, Ultrix default. */
414 #endif
415 }
416 
417 #define TERMIO_NCC 10	/* ultrix termio NCC is 10 */
418 
419 /*
420  * Convert emulated struct termios to termio(?)
421  */
422 static void
423 stios2stio(ts, t)
424 	struct emul_termios *ts;
425 	struct emul_termio *t;
426 {
427 	t->c_iflag = ts->c_iflag;
428 	t->c_oflag = ts->c_oflag;
429 	t->c_cflag = ts->c_cflag;
430 	t->c_lflag = ts->c_lflag;
431 	t->c_line  = ts->c_line;
432 	memcpy(t->c_cc, ts->c_cc, TERMIO_NCC);
433 }
434 
435 /*
436  * Convert the other way
437  */
438 static void
439 stio2stios(t, ts)
440 	struct emul_termio *t;
441 	struct emul_termios *ts;
442 {
443 	ts->c_iflag = t->c_iflag;
444 	ts->c_oflag = t->c_oflag;
445 	ts->c_cflag = t->c_cflag;
446 	ts->c_lflag = t->c_lflag;
447 	ts->c_line  = t->c_line;
448 	memcpy(ts->c_cc, t->c_cc, TERMIO_NCC); /* don't touch the upper fields! */
449 }
450 
451 int
452 ultrix_sys_ioctl(l, v, retval)
453 	struct lwp *l;
454 	void *v;
455 	register_t *retval;
456 {
457 	struct ultrix_sys_ioctl_args *uap = v;
458 	struct proc *p = l->l_proc;
459 	struct filedesc *fdp = p->p_fd;
460 	struct file *fp;
461 	int (*ctl)(struct file *, u_long, void *, struct proc *);
462 	int error;
463 
464 	if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
465 		return EBADF;
466 
467 	if ((fp->f_flag & (FREAD|FWRITE)) == 0)
468 		return EBADF;
469 
470 	ctl = fp->f_ops->fo_ioctl;
471 
472 	switch (SCARG(uap, com)) {
473 	case _IOR('t', 0, int):
474 		SCARG(uap, com) = TIOCGETD;
475 		break;
476 	case _IOW('t', 1, int):
477 	    {
478 		int disc;
479 
480 		if ((error = copyin(SCARG(uap, data), &disc, sizeof disc)) != 0)
481 			return error;
482 
483 		/* map SunOS NTTYDISC into our termios discipline */
484 		if (disc == 2)
485 			disc = 0;
486 		/* all other disciplines are not supported by NetBSD */
487 		if (disc)
488 			return ENXIO;
489 
490 		return (*ctl)(fp, TIOCSETD, &disc, p);
491 	    }
492 	case _IOW('t', 101, int):	/* sun SUNOS_TIOCSSOFTCAR */
493 	    {
494 		int x;	/* unused */
495 
496 		return copyin(&x, SCARG(uap, data), sizeof x);
497 	    }
498 	case _IOR('t', 100, int):	/* sun SUNOS_TIOCSSOFTCAR */
499 	    {
500 		int x = 0;
501 
502 		return copyout(&x, SCARG(uap, data), sizeof x);
503 	    }
504 	case _IO('t', 36): 		/* sun TIOCCONS, no parameters */
505 	    {
506 		int on = 1;
507 		return (*ctl)(fp, TIOCCONS, &on, p);
508 	    }
509 	case _IOW('t', 37, struct sunos_ttysize):
510 	    {
511 		struct winsize ws;
512 		struct sunos_ttysize ss;
513 
514 		if ((error = (*ctl)(fp, TIOCGWINSZ, &ws, p)) != 0)
515 			return (error);
516 
517 		if ((error = copyin(SCARG(uap, data), &ss, sizeof (ss))) != 0)
518 			return error;
519 
520 		ws.ws_row = ss.ts_row;
521 		ws.ws_col = ss.ts_col;
522 
523 		return (*ctl)(fp, TIOCSWINSZ, &ws, p);
524 	    }
525 	case _IOW('t', 38, struct sunos_ttysize):
526 	    {
527 		struct winsize ws;
528 		struct sunos_ttysize ss;
529 
530 		if ((error = (*ctl)(fp, TIOCGWINSZ, &ws, p)) != 0)
531 			return (error);
532 
533 		ss.ts_row = ws.ws_row;
534 		ss.ts_col = ws.ws_col;
535 
536 		return copyout (&ss, SCARG(uap, data), sizeof (ss));
537 	    }
538 	case _IOW('t', 118, int):
539 		SCARG(uap, com) = TIOCSPGRP;
540 		break;
541 	case _IOR('t', 119, int):
542 		SCARG(uap, com) = TIOCGPGRP;
543 		break;
544 
545 	/* Emulate termio or termios tcget() */
546 	case ULTRIX_TCGETA:
547 	case ULTRIX_TCGETS:
548 	    {
549 		struct termios bts;
550 		struct ultrix_termios sts;
551 		struct ultrix_termio st;
552 
553 		if ((error = (*ctl)(fp, TIOCGETA, &bts, p)) != 0)
554 			return error;
555 
556 		btios2stios (&bts, &sts);
557 		if (SCARG(uap, com) == ULTRIX_TCGETA) {
558 			stios2stio (&sts, &st);
559 			return copyout(&st, SCARG(uap, data), sizeof (st));
560 		} else
561 			return copyout(&sts, SCARG(uap, data), sizeof (sts));
562 		/*NOTREACHED*/
563 	    }
564 	/* Emulate termio tcset() */
565 	case ULTRIX_TCSETA:
566 	case ULTRIX_TCSETAW:
567 	case ULTRIX_TCSETAF:
568 	    {
569 		struct termios bts;
570 		struct ultrix_termios sts;
571 		struct ultrix_termio st;
572 		int result;
573 
574 		if ((error = copyin(SCARG(uap, data), &st, sizeof (st))) != 0)
575 			return error;
576 
577 		/* get full BSD termios so we don't lose information */
578 		if ((error = (*ctl)(fp, TIOCGETA, &bts, p)) != 0)
579 			return error;
580 
581 		/*
582 		 * convert to sun termios, copy in information from
583 		 * termio, and convert back, then set new values.
584 		 */
585 		btios2stios(&bts, &sts);
586 		stio2stios(&st, &sts);
587 		stios2btios(&sts, &bts);
588 
589 		/*
590 		 * map ioctl code: ultrix tcsets are numbered in reverse order
591 		 */
592 #ifdef notyet
593 		return (*ctl)(fp, ULTRIX_TCSETA - SCARG(uap, com) + TIOCSETA,
594 		    &bts, p);
595 #else
596 		result= (*ctl)(fp, ULTRIX_TCSETA -  SCARG(uap, com) + TIOCSETA,
597 		    &bts, p);
598 		printf("ultrix TCSETA %lx returns %d\n",
599 		    ULTRIX_TCSETA - SCARG(uap, com), result);
600 		return result;
601 #endif
602 
603 	    }
604 	/* Emulate termios tcset() */
605 	case ULTRIX_TCSETS:
606 	case ULTRIX_TCSETSW:
607 	case ULTRIX_TCSETSF:
608 	    {
609 		struct termios bts;
610 		struct ultrix_termios sts;
611 
612 		if ((error = copyin(SCARG(uap, data), &sts, sizeof (sts))) != 0)
613 			return error;
614 		stios2btios (&sts, &bts);
615 		return (*ctl)(fp, ULTRIX_TCSETS - SCARG(uap, com) + TIOCSETA,
616 		    &bts, p);
617 	    }
618 /*
619  * Pseudo-tty ioctl translations.
620  */
621 	case _IOW('t', 32, int): {	/* TIOCTCNTL */
622 		int error, on;
623 
624 		error = copyin(SCARG(uap, data), &on, sizeof (on));
625 		if (error != 0)
626 			return error;
627 		return (*ctl)(fp, TIOCUCNTL, &on, p);
628 	}
629 	case _IOW('t', 33, int): {	/* TIOCSIGNAL */
630 		int error, sig;
631 
632 		error = copyin(SCARG(uap, data), &sig, sizeof (sig));
633 		if (error != 0)
634 			return error;
635 		return (*ctl)(fp, TIOCSIG, &sig, p);
636 	}
637 
638 /*
639  * Socket ioctl translations.
640  */
641 #define IN_TYPE(a, type_t) { \
642 	type_t localbuf; \
643 	if ((error = copyin(SCARG(uap, data), \
644 				&localbuf, sizeof (type_t))) != 0) \
645 		return error; \
646 	return (*ctl)(fp, a, &localbuf, p); \
647 }
648 
649 #define INOUT_TYPE(a, type_t) { \
650 	type_t localbuf; \
651 	if ((error = copyin(SCARG(uap, data), &localbuf,	\
652 			     sizeof (type_t))) != 0) \
653 		return error; \
654 	if ((error = (*ctl)(fp, a, &localbuf, p)) != 0) \
655 		return error; \
656 	return copyout(&localbuf, SCARG(uap, data), sizeof (type_t)); \
657 }
658 
659 
660 #define IFREQ_IN(a) { \
661 	struct ifreq ifreq; \
662 	if ((error = copyin(SCARG(uap, data), &ifreq, sizeof (ifreq))) != 0) \
663 		return error; \
664 	return (*ctl)(fp, a, &ifreq, p); \
665 }
666 
667 #define IFREQ_INOUT(a) { \
668 	struct ifreq ifreq; \
669 	if ((error = copyin(SCARG(uap, data), &ifreq, sizeof (ifreq))) != 0) \
670 		return error; \
671 	if ((error = (*ctl)(fp, a, &ifreq, p)) != 0) \
672 		return error; \
673 	return copyout(&ifreq, SCARG(uap, data), sizeof (ifreq)); \
674 }
675 
676 	case _IOW('i', 12, struct ifreq):
677 		/* SIOCSIFADDR */
678 		break;
679 
680 	case _IOWR('i', 13, struct ifreq):
681 		IFREQ_INOUT(OSIOCGIFADDR);
682 
683 	case _IOW('i', 14, struct ifreq):
684 		/* SIOCSIFDSTADDR */
685 		break;
686 
687 	case _IOWR('i', 15, struct ifreq):
688 		IFREQ_INOUT(OSIOCGIFDSTADDR);
689 
690 	case _IOW('i', 16, struct ifreq):
691 		/* SIOCSIFFLAGS */
692 		break;
693 
694 	case _IOWR('i', 17, struct ifreq):
695 		/* SIOCGIFFLAGS */
696 		break;
697 
698 	case _IOWR('i', 18, struct ifreq):
699 		IFREQ_INOUT(SIOCGIFBRDADDR);
700 
701 	case _IOWR('i', 19, struct ifreq):
702 		IFREQ_INOUT(SIOCSIFBRDADDR);
703 
704 	case _IOWR('i', 20, struct ifconf):	/* SIOCGIFCONF */
705 	    {
706 		struct ifconf ifconf;
707 
708 		/*
709 		 * XXX: two more problems
710 		 * 1. our sockaddr's are variable length, not always sizeof(sockaddr)
711 		 * 2. this returns a name per protocol, ie. it returns two "lo0"'s
712 		 */
713 		error = copyin(SCARG(uap, data), &ifconf, sizeof (ifconf));
714 		if (error)
715 			return error;
716 		error = (*ctl)(fp, OSIOCGIFCONF, &ifconf, p);
717 		if (error)
718 			return error;
719 		return copyout(&ifconf, SCARG(uap, data), sizeof (ifconf));
720 	    }
721 
722 
723 	case _IOWR('i', 21, struct ifreq):
724 		IFREQ_INOUT(OSIOCGIFNETMASK);
725 
726 	case _IOW('i', 22, struct ifreq):
727 		IFREQ_IN(SIOCSIFNETMASK);
728 
729 	/* 23: _IOWR('i', 23, struct ifreq):  Ultrix SIOCSPHYADDR */
730 	/* 24: _IOWR('i', 24, struct ifreq):  Ultrix SIOCSADDMULTI */
731 	/* 25: _IOWR('i', 25, struct ifreq):  Ultrix SIOCSDELMULTI */
732 
733 	case _IOW('i',  26, struct ifreq):	/* SIOCSIFRDCTRS? */
734 	case _IOWR('i', 27, struct ifreq):	/* SIOCGIFZCTRS? */
735 	case _IOWR('i', 28, struct ifreq):	/* read physaddr ? */
736 		return EOPNOTSUPP;
737 
738 
739 	case _IOW('i', 30, struct arpreq):
740 		/* SIOCSARP */
741 		break;
742 
743 	case _IOWR('i', 31, struct arpreq):
744 		/* SIOCGARP */
745 		break;
746 
747 	case _IOW('i', 32, struct arpreq):
748 		/* SIOCDARP */
749 		break;
750 
751 	case _IOW('i', 40, struct ifreq):	/* SIOCARPREQ */
752 		return EOPNOTSUPP;
753 
754 	case _IOWR('i', 41, struct ifreq):
755 		IFREQ_INOUT(SIOCGIFMETRIC);
756 
757 	case _IOWR('i', 42, struct ifreq):
758 		IFREQ_IN(SIOCSIFMETRIC);
759 
760 	case _IOW('i', 44, struct ifreq):	/* SIOCSETSYNC */
761 	case _IOWR('i', 45, struct ifreq):	/* SIOCGETSYNC */
762 	case _IOWR('i', 46, struct ifreq):	/* SIOCSDSTATS */
763 	case _IOWR('i', 47, struct ifreq):	/* SIOCSESTATS */
764 	case _IOW('i', 48, int):		/* SIOCSPROMISC */
765 		return EOPNOTSUPP;
766 
767 	/* emulate for vat, vic tools */
768 	case _IOW('i', 49, struct ifreq):	/* SIOCADDMULTI */
769 	case _IOW('i', 50, struct ifreq):	/* SIOCDELMULTI */
770 		return EOPNOTSUPP;
771 
772 	}
773 	return (sys_ioctl(l, uap, retval));
774 }
775