xref: /netbsd-src/sys/compat/ultrix/ultrix_ioctl.c (revision 82d56013d7b633d116a93943de88e08335357a7c)
1 /*	$NetBSD: ultrix_ioctl.c,v 1.38 2019/04/23 07:45:06 msaitoh 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 1.38 2019/04/23 07:45:06 msaitoh 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/sys/sockio.h>
53 #include <compat/ultrix/ultrix_syscallargs.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 const 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 const uint16_t 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(struct emul_termios *, struct termios *);
123 static void btios2stios(struct termios *, struct emul_termios *);
124 static void stios2stio(struct emul_termios *, struct emul_termio *);
125 static void stio2stios(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(struct emul_termios *st, struct termios *bt)
145 {
146 	uint32_t l, r;
147 
148 	l = st->c_iflag;
149 	r = 	((l & 0x00000001) ? IGNBRK	: 0);
150 	r |=	((l & 0x00000002) ? BRKINT	: 0);
151 	r |=	((l & 0x00000004) ? IGNPAR	: 0);
152 	r |=	((l & 0x00000008) ? PARMRK	: 0);
153 	r |=	((l & 0x00000010) ? INPCK	: 0);
154 	r |=	((l & 0x00000020) ? ISTRIP	: 0);
155 	r |= 	((l & 0x00000040) ? INLCR	: 0);
156 	r |=	((l & 0x00000080) ? IGNCR	: 0);
157 	r |=	((l & 0x00000100) ? ICRNL	: 0);
158 	/*	((l & 0x00000200) ? IUCLC	: 0) */
159 	r |=	((l & 0x00000400) ? IXON	: 0);
160 	r |=	((l & 0x00000800) ? IXANY	: 0);
161 	r |=	((l & 0x00001000) ? IXOFF	: 0);
162 	r |=	((l & 0x00002000) ? IMAXBEL	: 0);
163 	bt->c_iflag = r;
164 
165 	l = st->c_oflag;
166 	r = 	((l & 0x00000001) ? OPOST	: 0);
167 	/*	((l & 0x00000002) ? OLCUC	: 0) */
168 	r |=	((l & 0x00000004) ? ONLCR	: 0);
169 	/*	((l & 0x00000008) ? OCRNL	: 0) */
170 	/*	((l & 0x00000010) ? ONOCR	: 0) */
171 	/*	((l & 0x00000020) ? ONLRET	: 0) */
172 	/*	((l & 0x00000040) ? OFILL	: 0) */
173 	/*	((l & 0x00000080) ? OFDEL	: 0) */
174 	/*	((l & 0x00000100) ? NLDLY	: 0) */
175 	/*	((l & 0x00000100) ? NL1		: 0) */
176 	/*	((l & 0x00000600) ? CRDLY	: 0) */
177 	/*	((l & 0x00000200) ? CR1		: 0) */
178 	/*	((l & 0x00000400) ? CR2		: 0) */
179 	/*	((l & 0x00000600) ? CR3		: 0) */
180 	/*	((l & 0x00001800) ? TABDLY	: 0) */
181 	/*	((l & 0x00000800) ? TAB1	: 0) */
182 	/*	((l & 0x00001000) ? TAB2	: 0) */
183 	r |=	((l & 0x00001800) ? OXTABS	: 0);
184 	/*	((l & 0x00002000) ? BSDLY	: 0) */
185 	/*	((l & 0x00002000) ? BS1		: 0) */
186 	/*	((l & 0x00004000) ? VTDLY	: 0) */
187 	/*	((l & 0x00004000) ? VT1		: 0) */
188 	/*	((l & 0x00008000) ? FFDLY	: 0) */
189 	/*	((l & 0x00008000) ? FF1		: 0) */
190 	/*	((l & 0x00010000) ? PAGEOUT	: 0) */
191 	/*	((l & 0x00020000) ? WRAP	: 0) */
192 	bt->c_oflag = r;
193 
194 	l = st->c_cflag;
195 	switch (l & 0x00000030) {
196 	case 0:
197 		r = CS5;
198 		break;
199 	case 0x00000010:
200 		r = CS6;
201 		break;
202 	case 0x00000020:
203 		r = CS7;
204 		break;
205 	case 0x00000030:
206 		r = CS8;
207 		break;
208 	}
209 	r |=	((l & 0x00000040) ? CSTOPB	: 0);
210 	r |=	((l & 0x00000080) ? CREAD	: 0);
211 	r |= 	((l & 0x00000100) ? PARENB	: 0);
212 	r |=	((l & 0x00000200) ? PARODD	: 0);
213 	r |=	((l & 0x00000400) ? HUPCL	: 0);
214 	r |=	((l & 0x00000800) ? CLOCAL	: 0);
215 	/*	((l & 0x00001000) ? LOBLK	: 0) */
216 	r |=	((l & 0x80000000) ? (CRTS_IFLOW|CCTS_OFLOW) : 0);
217 	bt->c_cflag = r;
218 
219 	bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f];
220 
221 	l = st->c_lflag;
222 	r = 	((l & 0x00000001) ? ISIG	: 0);
223 	r |=	((l & 0x00000002) ? ICANON	: 0);
224 	/*	((l & 0x00000004) ? XCASE	: 0) */
225 	r |=	((l & 0x00000008) ? ECHO	: 0);
226 	r |=	((l & 0x00000010) ? ECHOE	: 0);
227 	r |=	((l & 0x00000020) ? ECHOK	: 0);
228 	r |=	((l & 0x00000040) ? ECHONL	: 0);
229 	r |= 	((l & 0x00000080) ? NOFLSH	: 0);
230 	r |=	((l & 0x00000100) ? TOSTOP	: 0);
231 	r |=	((l & 0x00000200) ? ECHOCTL	: 0);
232 	r |=	((l & 0x00000400) ? ECHOPRT	: 0);
233 	r |=	((l & 0x00000800) ? ECHOKE	: 0);
234 	/*	((l & 0x00001000) ? DEFECHO	: 0) */
235 	r |=	((l & 0x00002000) ? FLUSHO	: 0);
236 	r |=	((l & 0x00004000) ? PENDIN	: 0);
237 	bt->c_lflag = r;
238 
239 	bt->c_cc[VINTR]    = EMUL_TO_NATIVE_CC(st->c_cc[0]);
240 	bt->c_cc[VQUIT]    = EMUL_TO_NATIVE_CC(st->c_cc[1]);
241 	bt->c_cc[VERASE]   = EMUL_TO_NATIVE_CC(st->c_cc[2]);
242 	bt->c_cc[VKILL]    = EMUL_TO_NATIVE_CC(st->c_cc[3]);
243 	bt->c_cc[VEOF]     = EMUL_TO_NATIVE_CC(st->c_cc[4]);
244 	bt->c_cc[VEOL]     = EMUL_TO_NATIVE_CC(st->c_cc[5]);
245 	bt->c_cc[VEOL2]    = EMUL_TO_NATIVE_CC(st->c_cc[6]);
246 	/* not present on NetBSD */
247 	/* bt->c_cc[VSWTCH]   = EMUL_TO_NATIVE_CC(st->c_cc[7]); */
248 	bt->c_cc[VSTART]   = EMUL_TO_NATIVE_CC(st->c_cc[10]);
249 	bt->c_cc[VSTOP]    = EMUL_TO_NATIVE_CC(st->c_cc[11]);
250 	bt->c_cc[VSUSP]    = EMUL_TO_NATIVE_CC(st->c_cc[12]);
251 	bt->c_cc[VDSUSP]   = EMUL_TO_NATIVE_CC(st->c_cc[13]);
252 	bt->c_cc[VREPRINT] = EMUL_TO_NATIVE_CC(st->c_cc[14]);
253 	bt->c_cc[VDISCARD] = EMUL_TO_NATIVE_CC(st->c_cc[15]);
254 	bt->c_cc[VWERASE]  = EMUL_TO_NATIVE_CC(st->c_cc[16]);
255 	bt->c_cc[VLNEXT]   = EMUL_TO_NATIVE_CC(st->c_cc[17]);
256 	bt->c_cc[VSTATUS]  = EMUL_TO_NATIVE_CC(st->c_cc[18]);
257 
258 #ifdef COMPAT_ULTRIX
259 	/* Ultrix termio/termios has real vmin/vtime */
260 	bt->c_cc[VMIN]	   = EMUL_TO_NATIVE_CC(st->c_cc[8]);
261 	bt->c_cc[VTIME]	   = EMUL_TO_NATIVE_CC(st->c_cc[9]);
262 #else
263 	/* if `raw mode', create native VMIN/VTIME from SunOS VEOF/VEOL */
264 	bt->c_cc[VMIN]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOF];
265 	bt->c_cc[VTIME]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOL];
266 #endif
267 
268 }
269 
270 /*
271  * Convert bsd termios to "sunos" emulated termios
272  */
273 static void
274 btios2stios(struct termios *bt, struct emul_termios *st)
275 {
276 	uint32_t l, r;
277 	int speed;
278 
279 	l = bt->c_iflag;
280 	r = 	((l &  IGNBRK) ? 0x00000001	: 0);
281 	r |=	((l &  BRKINT) ? 0x00000002	: 0);
282 	r |=	((l &  IGNPAR) ? 0x00000004	: 0);
283 	r |=	((l &  PARMRK) ? 0x00000008	: 0);
284 	r |=	((l &   INPCK) ? 0x00000010	: 0);
285 	r |=	((l &  ISTRIP) ? 0x00000020	: 0);
286 	r |=	((l &   INLCR) ? 0x00000040	: 0);
287 	r |=	((l &   IGNCR) ? 0x00000080	: 0);
288 	r |=	((l &   ICRNL) ? 0x00000100	: 0);
289 	/*	((l &   IUCLC) ? 0x00000200	: 0) */
290 	r |=	((l &    IXON) ? 0x00000400	: 0);
291 	r |=	((l &   IXANY) ? 0x00000800	: 0);
292 	r |=	((l &   IXOFF) ? 0x00001000	: 0);
293 	r |=	((l & IMAXBEL) ? 0x00002000	: 0);
294 	st->c_iflag = r;
295 
296 	l = bt->c_oflag;
297 	r =	((l &   OPOST) ? 0x00000001	: 0);
298 	/*	((l &   OLCUC) ? 0x00000002	: 0) */
299 	r |=	((l &   ONLCR) ? 0x00000004	: 0);
300 	/*	((l &   OCRNL) ? 0x00000008	: 0) */
301 	/*	((l &   ONOCR) ? 0x00000010	: 0) */
302 	/*	((l &  ONLRET) ? 0x00000020	: 0) */
303 	/*	((l &   OFILL) ? 0x00000040	: 0) */
304 	/*	((l &   OFDEL) ? 0x00000080	: 0) */
305 	/*	((l &   NLDLY) ? 0x00000100	: 0) */
306 	/*	((l &     NL1) ? 0x00000100	: 0) */
307 	/*	((l &   CRDLY) ? 0x00000600	: 0) */
308 	/*	((l &     CR1) ? 0x00000200	: 0) */
309 	/*	((l &     CR2) ? 0x00000400	: 0) */
310 	/*	((l &     CR3) ? 0x00000600	: 0) */
311 	/*	((l &  TABDLY) ? 0x00001800	: 0) */
312 	/*	((l &    TAB1) ? 0x00000800	: 0) */
313 	/*	((l &    TAB2) ? 0x00001000	: 0) */
314 	r |=	((l &  OXTABS) ? 0x00001800	: 0);
315 	/*	((l &   BSDLY) ? 0x00002000	: 0) */
316 	/*	((l &     BS1) ? 0x00002000	: 0) */
317 	/*	((l &   VTDLY) ? 0x00004000	: 0) */
318 	/*	((l &     VT1) ? 0x00004000	: 0) */
319 	/*	((l &   FFDLY) ? 0x00008000	: 0) */
320 	/*	((l &     FF1) ? 0x00008000	: 0) */
321 	/*	((l & PAGEOUT) ? 0x00010000	: 0) */
322 	/*	((l &    WRAP) ? 0x00020000	: 0) */
323 	st->c_oflag = r;
324 
325 	l = bt->c_cflag;
326 	switch (l & CSIZE) {
327 	case CS5:
328 		r = 0;
329 		break;
330 	case CS6:
331 		r = 0x00000010;
332 		break;
333 	case CS7:
334 		r = 0x00000020;
335 		break;
336 	case CS8:
337 		r = 0x00000030;
338 		break;
339 	}
340 	r |=	((l &  CSTOPB) ? 0x00000040	: 0);
341 	r |=	((l &   CREAD) ? 0x00000080	: 0);
342 	r |=	((l &  PARENB) ? 0x00000100	: 0);
343 	r |=	((l &  PARODD) ? 0x00000200	: 0);
344 	r |=	((l &   HUPCL) ? 0x00000400	: 0);
345 	r |=	((l &  CLOCAL) ? 0x00000800	: 0);
346 	/*	((l &   LOBLK) ? 0x00001000	: 0) */
347 	r |=	((l & (CRTS_IFLOW|CCTS_OFLOW)) ? 0x80000000 : 0);
348 	st->c_cflag = r;
349 
350 	l = bt->c_lflag;
351 	r =	((l &    ISIG) ? 0x00000001	: 0);
352 	r |=	((l &  ICANON) ? 0x00000002	: 0);
353 	/*	((l &   XCASE) ? 0x00000004	: 0) */
354 	r |=	((l &    ECHO) ? 0x00000008	: 0);
355 	r |=	((l &   ECHOE) ? 0x00000010	: 0);
356 	r |=	((l &   ECHOK) ? 0x00000020	: 0);
357 	r |=	((l &  ECHONL) ? 0x00000040	: 0);
358 	r |=	((l &  NOFLSH) ? 0x00000080	: 0);
359 	r |=	((l &  TOSTOP) ? 0x00000100	: 0);
360 	r |=	((l & ECHOCTL) ? 0x00000200	: 0);
361 	r |=	((l & ECHOPRT) ? 0x00000400	: 0);
362 	r |=	((l &  ECHOKE) ? 0x00000800	: 0);
363 	/*	((l & DEFECHO) ? 0x00001000	: 0) */
364 	r |=	((l &  FLUSHO) ? 0x00002000	: 0);
365 	r |=	((l &  PENDIN) ? 0x00004000	: 0);
366 	st->c_lflag = r;
367 
368 	speed = ttspeedtab(bt->c_ospeed, sptab);
369 	if (speed != -1)
370 	    st->c_cflag |= speed;
371 
372 	st->c_cc[0] = NATIVE_TO_EMUL_CC(bt->c_cc[VINTR]);
373 	st->c_cc[1] = NATIVE_TO_EMUL_CC(bt->c_cc[VQUIT]);
374 	st->c_cc[2] = NATIVE_TO_EMUL_CC(bt->c_cc[VERASE]);
375 	st->c_cc[3] = NATIVE_TO_EMUL_CC(bt->c_cc[VKILL]);
376 	st->c_cc[4] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOF]);
377 	st->c_cc[5] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL]);
378 	st->c_cc[6] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL2]);
379 
380 	/* XXX ultrix has a VSWTCH.  NetBSD does not. */
381 #ifdef notdef
382 	st->c_cc[7] = NATIVE_TO_EMUL_CC(bt->c_cc[VSWTCH]);
383 #else
384 	st->c_cc[7] = 0;
385 #endif
386 	st->c_cc[10] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTART]);
387 	st->c_cc[11] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTOP]);
388 	st->c_cc[12]= NATIVE_TO_EMUL_CC(bt->c_cc[VSUSP]);
389 	st->c_cc[13]= NATIVE_TO_EMUL_CC(bt->c_cc[VDSUSP]);
390 	st->c_cc[14]= NATIVE_TO_EMUL_CC(bt->c_cc[VREPRINT]);
391 	st->c_cc[15]= NATIVE_TO_EMUL_CC(bt->c_cc[VDISCARD]);
392 	st->c_cc[16]= NATIVE_TO_EMUL_CC(bt->c_cc[VWERASE]);
393 	st->c_cc[17]= NATIVE_TO_EMUL_CC(bt->c_cc[VLNEXT]);
394 	st->c_cc[18]= NATIVE_TO_EMUL_CC(bt->c_cc[VSTATUS]);
395 
396 #ifdef COMPAT_ULTRIX
397 	st->c_cc[8]= NATIVE_TO_EMUL_CC(bt->c_cc[VMIN]);
398 	st->c_cc[9]= NATIVE_TO_EMUL_CC(bt->c_cc[VTIME]);
399 #else
400 	if (!(bt->c_lflag & ICANON)) {
401 		/* SunOS stores VMIN/VTIME in VEOF/VEOL (if ICANON is off) */
402 		st->c_cc[4] = bt->c_cc[VMIN];
403 		st->c_cc[5] = bt->c_cc[VTIME];
404 	}
405 #endif
406 
407 #ifdef COMPAT_SUNOS
408 	st->c_line = 0;	/* 4.3bsd "old" line discipline */
409 #else
410 	st->c_line = 2;	/* 4.3bsd "new" line discipline, Ultrix default. */
411 #endif
412 }
413 
414 #define TERMIO_NCC 10	/* ultrix termio NCC is 10 */
415 
416 /*
417  * Convert emulated struct termios to termio(?)
418  */
419 static void
420 stios2stio(struct emul_termios *ts, struct emul_termio *t)
421 {
422 	t->c_iflag = ts->c_iflag;
423 	t->c_oflag = ts->c_oflag;
424 	t->c_cflag = ts->c_cflag;
425 	t->c_lflag = ts->c_lflag;
426 	t->c_line  = ts->c_line;
427 	memcpy(t->c_cc, ts->c_cc, TERMIO_NCC);
428 }
429 
430 /*
431  * Convert the other way
432  */
433 static void
434 stio2stios(struct emul_termio *t, struct emul_termios *ts)
435 {
436 	ts->c_iflag = t->c_iflag;
437 	ts->c_oflag = t->c_oflag;
438 	ts->c_cflag = t->c_cflag;
439 	ts->c_lflag = t->c_lflag;
440 	ts->c_line  = t->c_line;
441 
442 	/* don't touch the upper fields! */
443 	memcpy(ts->c_cc, t->c_cc, TERMIO_NCC);
444 }
445 
446 static int
447 ultrix_do_ioctl(int fd, int cmd, void *arg, struct lwp *l)
448 {
449 	file_t *fp;
450 	int error;
451 
452 	if ((fp = fd_getfile(fd)) == NULL)
453 		return EBADF;
454 
455 	if ((fp->f_flag & (FREAD|FWRITE)) == 0)
456 		error = EBADF;
457 	else
458 		error = fp->f_ops->fo_ioctl(fp, cmd, arg);
459 	fd_putfile(fd);
460 	return error;
461 }
462 
463 int
464 ultrix_sys_ioctl(struct lwp *l, const struct ultrix_sys_ioctl_args *uap,
465     register_t *retval)
466 {
467 	struct sys_ioctl_args ap;
468 	int error;
469 
470 	SCARG(&ap, fd) = SCARG(uap, fd);
471 	SCARG(&ap, data) = SCARG(uap, data);
472 	SCARG(&ap, com) = SCARG(uap, com);
473 	switch (SCARG(&ap, com)) {
474 	case _IOR('t', 0, int):
475 		SCARG(&ap, com) = TIOCGETD;
476 		break;
477 	case _IOW('t', 1, int):
478 	    {
479 		int disc;
480 
481 		error = copyin(SCARG(&ap, data), &disc, sizeof disc);
482 		if (error != 0)
483 			return error;
484 
485 		/* map SunOS NTTYDISC into our termios discipline */
486 		if (disc == 2)
487 			disc = 0;
488 		/* all other disciplines are not supported by NetBSD */
489 		if (disc)
490 			return ENXIO;
491 
492 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCSETD, &disc, l);
493 	    }
494 	case _IOW('t', 101, int):	/* sun SUNOS_TIOCSSOFTCAR */
495 	    {
496 		int x;	/* unused */
497 
498 		return copyin(SCARG(&ap, data), &x, sizeof x);
499 	    }
500 	case _IOR('t', 100, int):	/* sun SUNOS_TIOCSSOFTCAR */
501 	    {
502 		int x = 0;
503 
504 		return copyout(&x, SCARG(&ap, data), sizeof x);
505 	    }
506 	case _IO('t', 36): 		/* sun TIOCCONS, no parameters */
507 	    {
508 		int on = 1;
509 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCCONS, &on, l);
510 	    }
511 	case _IOW('t', 37, struct sunos_ttysize):
512 	    {
513 		struct winsize ws;
514 		struct sunos_ttysize ss;
515 
516 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGWINSZ, &ws, l);
517 		if (error != 0)
518 			return error;
519 
520 		if ((error = copyin(SCARG(&ap, data), &ss, sizeof(ss))) != 0)
521 			return error;
522 
523 		ws.ws_row = ss.ts_row;
524 		ws.ws_col = ss.ts_col;
525 
526 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCSWINSZ, &ws, l);
527 	    }
528 	case _IOW('t', 38, struct sunos_ttysize):
529 	    {
530 		struct winsize ws;
531 		struct sunos_ttysize ss;
532 
533 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGWINSZ, &ws, l);
534 		if (error != 0)
535 			return error;
536 
537 		ss.ts_row = ws.ws_row;
538 		ss.ts_col = ws.ws_col;
539 
540 		return copyout(&ss, SCARG(&ap, data), sizeof(ss));
541 	    }
542 	case _IOW('t', 118, int):
543 		SCARG(&ap, com) = TIOCSPGRP;
544 		break;
545 	case _IOR('t', 119, int):
546 		SCARG(&ap, com) = TIOCGPGRP;
547 		break;
548 
549 	/* Emulate termio or termios tcget() */
550 	case ULTRIX_TCGETA:
551 	case ULTRIX_TCGETS:
552 	    {
553 		struct termios bts;
554 		struct ultrix_termios sts;
555 		struct ultrix_termio st;
556 
557 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGETA, &bts, l);
558 		if (error != 0)
559 			return error;
560 
561 		btios2stios (&bts, &sts);
562 		if (SCARG(&ap, com) == ULTRIX_TCGETA) {
563 			stios2stio (&sts, &st);
564 			return copyout(&st, SCARG(&ap, data), sizeof(st));
565 		} else
566 			return copyout(&sts, SCARG(&ap, data), sizeof(sts));
567 		/*NOTREACHED*/
568 	    }
569 	/* Emulate termio tcset() */
570 	case ULTRIX_TCSETA:
571 	case ULTRIX_TCSETAW:
572 	case ULTRIX_TCSETAF:
573 	    {
574 		struct termios bts;
575 		struct ultrix_termios sts;
576 		struct ultrix_termio st;
577 		int result;
578 
579 		if ((error = copyin(SCARG(&ap, data), &st, sizeof(st))) != 0)
580 			return error;
581 
582 		/* get full BSD termios so we don't lose information */
583 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGETA, &bts, l);
584 		if (error != 0)
585 			return error;
586 
587 		/*
588 		 * convert to sun termios, copy in information from
589 		 * termio, and convert back, then set new values.
590 		 */
591 		btios2stios(&bts, &sts);
592 		stio2stios(&st, &sts);
593 		stios2btios(&sts, &bts);
594 
595 		/*
596 		 * map ioctl code: ultrix tcsets are numbered in reverse order
597 		 */
598 #ifdef notyet
599 		return ultrix_do_ioctl(SCARG(&ap, fd),
600 		    ULTRIX_TCSETA - SCARG(&ap, com) + TIOCSETA, &bts, l);
601 #else
602 		result = ultrix_do_ioctl(SCARG(&ap, fd),
603 		    ULTRIX_TCSETA - SCARG(&ap, com) + TIOCSETA, &bts, l);
604 		printf("ultrix TCSETA %lx returns %d\n",
605 		    ULTRIX_TCSETA - SCARG(&ap, com), result);
606 		return result;
607 #endif
608 
609 	    }
610 	/* Emulate termios tcset() */
611 	case ULTRIX_TCSETS:
612 	case ULTRIX_TCSETSW:
613 	case ULTRIX_TCSETSF:
614 	    {
615 		struct termios bts;
616 		struct ultrix_termios sts;
617 
618 		error = copyin(SCARG(&ap, data), &sts, sizeof(sts));
619 		if (error != 0)
620 			return error;
621 		stios2btios (&sts, &bts);
622 		return ultrix_do_ioctl(SCARG(&ap, fd),
623 		    ULTRIX_TCSETS - SCARG(&ap, com) + TIOCSETA, &bts, l);
624 	    }
625 /*
626  * Pseudo-tty ioctl translations.
627  */
628 	case _IOW('t', 32, int): {	/* TIOCTCNTL */
629 		int on;
630 
631 		error = copyin(SCARG(&ap, data), &on, sizeof(on));
632 		if (error != 0)
633 			return error;
634 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCUCNTL, &on, l);
635 	}
636 	case _IOW('t', 33, int): {	/* TIOCSIGNAL */
637 		int sig;
638 
639 		error = copyin(SCARG(&ap, data), &sig, sizeof(sig));
640 		if (error != 0)
641 			return error;
642 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCSIG, &sig, l);
643 	}
644 
645 /*
646  * Socket ioctl translations.
647  */
648 #define IN_TYPE(a, type_t) { \
649 	type_t localbuf; \
650 	if ((error = copyin(SCARG(&ap, data), \
651 				&localbuf, sizeof(type_t))) != 0) \
652 		return error; \
653 	return ultrix_do_ioctl(SCARG(&ap, fd), a, &localbuf, l); \
654 }
655 
656 #define INOUT_TYPE(a, type_t) { \
657 	type_t localbuf; \
658 	if ((error = copyin(SCARG(&ap, data), &localbuf,	\
659 			     sizeof(type_t))) != 0) \
660 		return error; \
661 	if ((error = ultrix_do_ioctl(SCARG(&ap, fd), a, &localbuf, l)) != 0) \
662 		return error; \
663 	return copyout(&localbuf, SCARG(&ap, data), sizeof(type_t)); \
664 }
665 
666 
667 #define IFREQ_IN(a) { \
668 	struct oifreq ifreq; \
669 	if ((error = copyin(SCARG(&ap, data), &ifreq, sizeof(ifreq))) != 0) \
670 		return error; \
671 	return ultrix_do_ioctl(SCARG(&ap, fd), a, &ifreq, l); \
672 }
673 
674 #define IFREQ_INOUT(a) { \
675 	struct oifreq ifreq; \
676 	if ((error = copyin(SCARG(&ap, data), &ifreq, sizeof(ifreq))) != 0) \
677 		return error; \
678 	if ((error = ultrix_do_ioctl(SCARG(&ap, fd), a, &ifreq, l)) != 0) \
679 		return error; \
680 	return copyout(&ifreq, SCARG(&ap, data), sizeof(ifreq)); \
681 }
682 
683 	case _IOW('i', 12, struct oifreq):
684 		/* SIOCSIFADDR */
685 		break;
686 
687 	case _IOWR('i', 13, struct oifreq):
688 		IFREQ_INOUT(OOSIOCGIFADDR);
689 
690 	case _IOW('i', 14, struct oifreq):
691 		/* SIOCSIFDSTADDR */
692 		break;
693 
694 	case _IOWR('i', 15, struct oifreq):
695 		IFREQ_INOUT(OOSIOCGIFDSTADDR);
696 
697 	case _IOW('i', 16, struct oifreq):
698 		/* SIOCSIFFLAGS */
699 		break;
700 
701 	case _IOWR('i', 17, struct oifreq):
702 		/* SIOCGIFFLAGS */
703 		break;
704 
705 	case _IOWR('i', 18, struct oifreq):
706 		IFREQ_INOUT(SIOCGIFBRDADDR);
707 
708 	case _IOWR('i', 19, struct oifreq):
709 		IFREQ_INOUT(SIOCSIFBRDADDR);
710 
711 	case _IOWR('i', 20, struct ifconf):	/* SIOCGIFCONF */
712 	    {
713 		struct ifconf ifconfarg;
714 
715 		/*
716 		 * XXX: two more problems
717 		 * 1. Our sockaddr's are variable length, not always
718 		 *    sizeof(sockaddr)
719 		 * 2. This returns a name per protocol, ie. it returns two
720 		 *    "lo0"'s
721 		 */
722 		error = copyin(SCARG(&ap, data), &ifconfarg,
723 		    sizeof(ifconfarg));
724 		if (error)
725 			return error;
726 
727 		error = ultrix_do_ioctl(SCARG(&ap, fd), OSIOCGIFCONF,
728 		    &ifconfarg, l);
729 		if (error)
730 			return error;
731 
732 		return copyout(&ifconfarg, SCARG(&ap, data),
733 		    sizeof(ifconfarg));
734 	    }
735 
736 
737 	case _IOWR('i', 21, struct oifreq):
738 		IFREQ_INOUT(OOSIOCGIFNETMASK);
739 
740 	case _IOW('i', 22, struct oifreq):
741 		IFREQ_IN(SIOCSIFNETMASK);
742 
743 	/* 23: _IOWR('i', 23, struct oifreq):  Ultrix SIOCSPHYADDR */
744 	/* 24: _IOWR('i', 24, struct oifreq):  Ultrix SIOCSADDMULTI */
745 	/* 25: _IOWR('i', 25, struct oifreq):  Ultrix SIOCSDELMULTI */
746 
747 	case _IOW('i',  26, struct oifreq):	/* SIOCSIFRDCTRS? */
748 	case _IOWR('i', 27, struct oifreq):	/* SIOCGIFZCTRS? */
749 	case _IOWR('i', 28, struct oifreq):	/* read physaddr ? */
750 		return EOPNOTSUPP;
751 
752 
753 	case _IOW('i', 30, struct arpreq):
754 		/* SIOCSARP */
755 		break;
756 
757 	case _IOWR('i', 31, struct arpreq):
758 		/* SIOCGARP */
759 		break;
760 
761 	case _IOW('i', 32, struct arpreq):
762 		/* SIOCDARP */
763 		break;
764 
765 	case _IOW('i', 40, struct oifreq):	/* SIOCARPREQ */
766 		return EOPNOTSUPP;
767 
768 	case _IOWR('i', 41, struct oifreq):
769 		IFREQ_INOUT(SIOCGIFMETRIC);
770 
771 	case _IOWR('i', 42, struct oifreq):
772 		IFREQ_IN(SIOCSIFMETRIC);
773 
774 	case _IOW('i', 44, struct oifreq):	/* SIOCSETSYNC */
775 	case _IOWR('i', 45, struct oifreq):	/* SIOCGETSYNC */
776 	case _IOWR('i', 46, struct oifreq):	/* SIOCSDSTATS */
777 	case _IOWR('i', 47, struct oifreq):	/* SIOCSESTATS */
778 	case _IOW('i', 48, int):		/* SIOCSPROMISC */
779 		return EOPNOTSUPP;
780 
781 	/* emulate for vat, vic tools */
782 	case _IOW('i', 49, struct oifreq):	/* SIOCADDMULTI */
783 	case _IOW('i', 50, struct oifreq):	/* SIOCDELMULTI */
784 		return EOPNOTSUPP;
785 
786 	}
787 	return sys_ioctl(l, &ap, retval);
788 }
789