Annotation of sys/compat/linux/linux_termios.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: linux_termios.c,v 1.15 2003/04/05 20:30:18 millert Exp $ */
2: /* $NetBSD: linux_termios.c,v 1.3 1996/04/05 00:01:54 christos Exp $ */
3:
4: /*
5: * Copyright (c) 1995 Frank van der Linden
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. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed for the NetBSD Project
19: * by Frank van der Linden
20: * 4. The name of the author may not be used to endorse or promote products
21: * derived from this software without specific prior written permission
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33: */
34:
35: #include <sys/param.h>
36: #include <sys/proc.h>
37: #include <sys/systm.h>
38: #include <sys/file.h>
39: #include <sys/filedesc.h>
40: #include <sys/ioctl.h>
41: #include <sys/mount.h>
42: #include <sys/termios.h>
43:
44: #include <sys/syscallargs.h>
45:
46: #include <compat/linux/linux_types.h>
47: #include <compat/linux/linux_ioctl.h>
48: #include <compat/linux/linux_signal.h>
49: #include <compat/linux/linux_syscallargs.h>
50: #include <compat/linux/linux_util.h>
51: #include <compat/linux/linux_termios.h>
52:
53: static speed_t linux_speeds[] = {
54: 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
55: 9600, 19200, 38400, 57600, 115200, 230400
56: };
57:
58: static const int linux_spmasks[] = {
59: LINUX_B0, LINUX_B50, LINUX_B75, LINUX_B110, LINUX_B134, LINUX_B150,
60: LINUX_B200, LINUX_B300, LINUX_B600, LINUX_B1200, LINUX_B1800,
61: LINUX_B2400, LINUX_B4800, LINUX_B9600, LINUX_B19200, LINUX_B38400,
62: LINUX_B57600, LINUX_B115200, LINUX_B230400
63: };
64:
65: static void linux_termio_to_bsd_termios(struct linux_termio *,
66: struct termios *);
67: static void bsd_termios_to_linux_termio(struct termios *,
68: struct linux_termio *);
69: static void linux_termios_to_bsd_termios(struct linux_termios *,
70: struct termios *);
71: static void bsd_termios_to_linux_termios(struct termios *,
72: struct linux_termios *);
73:
74: /*
75: * Deal with termio ioctl cruft. This doesn't look very good..
76: * XXX too much code duplication, obviously..
77: *
78: * The conversion routines between Linux and BSD structures assume
79: * that the fields are already filled with the current values,
80: * so that fields present in BSD but not in Linux keep their current
81: * values.
82: */
83:
84: static void
85: linux_termio_to_bsd_termios(lt, bts)
86: struct linux_termio *lt;
87: struct termios *bts;
88: {
89: int index;
90:
91: bts->c_iflag = 0;
92: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNBRK, IGNBRK);
93: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_BRKINT, BRKINT);
94: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNPAR, IGNPAR);
95: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_INPCK, INPCK);
96: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_ISTRIP, ISTRIP);
97: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_INLCR, INLCR);
98: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNCR, IGNCR);
99: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_ICRNL, ICRNL);
100: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXON, IXON);
101: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXANY, IXANY);
102: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXOFF, IXOFF);
103: bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IMAXBEL, IMAXBEL);
104:
105: bts->c_oflag = 0;
106: bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_OPOST, OPOST);
107: bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_ONLCR, ONLCR);
108: bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_XTABS, OXTABS);
109:
110: /*
111: * This could have been:
112: * bts->c_cflag = (lt->c_flag & LINUX_CSIZE) << 4
113: * But who knows, those values might perhaps change one day.
114: */
115: switch (lt->c_cflag & LINUX_CSIZE) {
116: case LINUX_CS5:
117: bts->c_cflag = CS5;
118: break;
119: case LINUX_CS6:
120: bts->c_cflag = CS6;
121: break;
122: case LINUX_CS7:
123: bts->c_cflag = CS7;
124: break;
125: case LINUX_CS8:
126: bts->c_cflag = CS8;
127: break;
128: }
129: bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CSTOPB, CSTOPB);
130: bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CREAD, CREAD);
131: bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_PARENB, PARENB);
132: bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_PARODD, PARODD);
133: bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_HUPCL, HUPCL);
134: bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CLOCAL, CLOCAL);
135: bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CRTSCTS, CRTSCTS);
136:
137: bts->c_lflag = 0;
138: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ISIG, ISIG);
139: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ICANON, ICANON);
140: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHO, ECHO);
141: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOE, ECHOE);
142: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOK, ECHOK);
143: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHONL, ECHONL);
144: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_NOFLSH, NOFLSH);
145: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_TOSTOP, TOSTOP);
146: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOCTL, ECHOCTL);
147: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOPRT, ECHOPRT);
148: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOKE, ECHOKE);
149: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_FLUSHO, FLUSHO);
150: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_PENDIN, PENDIN);
151: bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_IEXTEN, IEXTEN);
152:
153: index = lt->c_cflag & LINUX_CBAUD;
154: if (index & LINUX_CBAUDEX)
155: index = (index & ~LINUX_CBAUDEX) + LINUX_NSPEEDS - 1;
156: bts->c_ispeed = bts->c_ospeed = linux_speeds[index];
157:
158: bts->c_cc[VINTR] = lt->c_cc[LINUX_VINTR];
159: bts->c_cc[VQUIT] = lt->c_cc[LINUX_VQUIT];
160: bts->c_cc[VERASE] = lt->c_cc[LINUX_VERASE];
161: bts->c_cc[VKILL] = lt->c_cc[LINUX_VKILL];
162: bts->c_cc[VEOF] = lt->c_cc[LINUX_VEOF];
163: bts->c_cc[VTIME] = lt->c_cc[LINUX_VTIME];
164: bts->c_cc[VMIN] = lt->c_cc[LINUX_VMIN];
165: }
166:
167: static void
168: bsd_termios_to_linux_termio(bts, lt)
169: struct termios *bts;
170: struct linux_termio *lt;
171: {
172: int i, mask;
173:
174: lt->c_iflag = 0;
175: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNBRK, LINUX_IGNBRK);
176: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, BRKINT, LINUX_BRKINT);
177: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNPAR, LINUX_IGNPAR);
178: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, INPCK, LINUX_INPCK);
179: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, ISTRIP, LINUX_ISTRIP);
180: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, INLCR, LINUX_INLCR);
181: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNCR, LINUX_IGNCR);
182: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, ICRNL, LINUX_ICRNL);
183: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXON, LINUX_IXON);
184: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXANY, LINUX_IXANY);
185: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXOFF, LINUX_IXOFF);
186: lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IMAXBEL, LINUX_IMAXBEL);
187:
188: lt->c_oflag = 0;
189: lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, OPOST, LINUX_OPOST);
190: lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, ONLCR, LINUX_ONLCR);
191: lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, OXTABS, LINUX_XTABS);
192:
193: switch (bts->c_cflag & CSIZE) {
194: case CS5:
195: lt->c_cflag = LINUX_CS5;
196: break;
197: case CS6:
198: lt->c_cflag = LINUX_CS6;
199: break;
200: case CS7:
201: lt->c_cflag = LINUX_CS7;
202: break;
203: case CS8:
204: lt->c_cflag = LINUX_CS8;
205: break;
206: }
207: lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CSTOPB, LINUX_CSTOPB);
208: lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CREAD, LINUX_CREAD);
209: lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARENB, LINUX_PARENB);
210: lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARODD, LINUX_PARODD);
211: lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, HUPCL, LINUX_HUPCL);
212: lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CLOCAL, LINUX_CLOCAL);
213: lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CRTSCTS, LINUX_CRTSCTS);
214:
215: lt->c_lflag = 0;
216: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ISIG, LINUX_ISIG);
217: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ICANON, LINUX_ICANON);
218: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHO, LINUX_ECHO);
219: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOE, LINUX_ECHOE);
220: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOK, LINUX_ECHOK);
221: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHONL, LINUX_ECHONL);
222: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, NOFLSH, LINUX_NOFLSH);
223: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, TOSTOP, LINUX_TOSTOP);
224: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOCTL, LINUX_ECHOCTL);
225: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOPRT, LINUX_ECHOPRT);
226: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOKE, LINUX_ECHOKE);
227: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, FLUSHO, LINUX_FLUSHO);
228: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, PENDIN, LINUX_PENDIN);
229: lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, IEXTEN, LINUX_IEXTEN);
230:
231: mask = LINUX_B9600; /* XXX default value should this be 0? */
232: for (i = 0; i < sizeof (linux_speeds) / sizeof (speed_t); i++) {
233: if (bts->c_ospeed == linux_speeds[i]) {
234: mask = linux_spmasks[i];
235: break;
236: }
237: }
238: lt->c_cflag |= mask;
239:
240: lt->c_cc[LINUX_VINTR] = bts->c_cc[VINTR];
241: lt->c_cc[LINUX_VQUIT] = bts->c_cc[VQUIT];
242: lt->c_cc[LINUX_VERASE] = bts->c_cc[VERASE];
243: lt->c_cc[LINUX_VKILL] = bts->c_cc[VKILL];
244: lt->c_cc[LINUX_VEOF] = bts->c_cc[VEOF];
245: lt->c_cc[LINUX_VTIME] = bts->c_cc[VTIME];
246: lt->c_cc[LINUX_VMIN] = bts->c_cc[VMIN];
247: lt->c_cc[LINUX_VSWTC] = 0;
248:
249: /* XXX should be fixed someday */
250: lt->c_line = 0;
251: }
252:
253: static void
254: linux_termios_to_bsd_termios(lts, bts)
255: struct linux_termios *lts;
256: struct termios *bts;
257: {
258: int index;
259:
260: bts->c_iflag = 0;
261: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNBRK, IGNBRK);
262: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_BRKINT, BRKINT);
263: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNPAR, IGNPAR);
264: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_INPCK, INPCK);
265: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_ISTRIP, ISTRIP);
266: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_INLCR, INLCR);
267: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNCR, IGNCR);
268: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_ICRNL, ICRNL);
269: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXON, IXON);
270: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXANY, IXANY);
271: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXOFF, IXOFF);
272: bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IMAXBEL, IMAXBEL);
273:
274: bts->c_oflag = 0;
275: bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_OPOST, OPOST);
276: bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_ONLCR, ONLCR);
277: bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_XTABS, OXTABS);
278:
279: bts->c_cflag = 0;
280: switch (lts->c_cflag & LINUX_CSIZE) {
281: case LINUX_CS5:
282: bts->c_cflag = CS5;
283: break;
284: case LINUX_CS6:
285: bts->c_cflag = CS6;
286: break;
287: case LINUX_CS7:
288: bts->c_cflag = CS7;
289: break;
290: case LINUX_CS8:
291: bts->c_cflag = CS8;
292: break;
293: }
294: bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CSTOPB, CSTOPB);
295: bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CREAD, CREAD);
296: bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_PARENB, PARENB);
297: bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_PARODD, PARODD);
298: bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_HUPCL, HUPCL);
299: bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CLOCAL, CLOCAL);
300: bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CRTSCTS, CRTSCTS);
301:
302: bts->c_lflag = 0;
303: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ISIG, ISIG);
304: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ICANON, ICANON);
305: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHO, ECHO);
306: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOE, ECHOE);
307: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOK, ECHOK);
308: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHONL, ECHONL);
309: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_NOFLSH, NOFLSH);
310: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_TOSTOP, TOSTOP);
311: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOCTL, ECHOCTL);
312: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOPRT, ECHOPRT);
313: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOKE, ECHOKE);
314: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_FLUSHO, FLUSHO);
315: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_PENDIN, PENDIN);
316: bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_IEXTEN, IEXTEN);
317:
318: index = lts->c_cflag & LINUX_CBAUD;
319: if (index & LINUX_CBAUDEX)
320: index = (index & ~LINUX_CBAUDEX) + LINUX_NSPEEDS - 1;
321: bts->c_ispeed = bts->c_ospeed = linux_speeds[index];
322:
323: bts->c_cc[VINTR] = lts->c_cc[LINUX_VINTR];
324: bts->c_cc[VQUIT] = lts->c_cc[LINUX_VQUIT];
325: bts->c_cc[VERASE] = lts->c_cc[LINUX_VERASE];
326: bts->c_cc[VKILL] = lts->c_cc[LINUX_VKILL];
327: bts->c_cc[VEOF] = lts->c_cc[LINUX_VEOF];
328: bts->c_cc[VTIME] = lts->c_cc[LINUX_VTIME];
329: bts->c_cc[VMIN] = lts->c_cc[LINUX_VMIN];
330: bts->c_cc[VEOL] = lts->c_cc[LINUX_VEOL];
331: bts->c_cc[VEOL2] = lts->c_cc[LINUX_VEOL2];
332: bts->c_cc[VWERASE] = lts->c_cc[LINUX_VWERASE];
333: bts->c_cc[VSUSP] = lts->c_cc[LINUX_VSUSP];
334: bts->c_cc[VSTART] = lts->c_cc[LINUX_VSTART];
335: bts->c_cc[VSTOP] = lts->c_cc[LINUX_VSTOP];
336: bts->c_cc[VLNEXT] = lts->c_cc[LINUX_VLNEXT];
337: bts->c_cc[VDISCARD] = lts->c_cc[LINUX_VDISCARD];
338: bts->c_cc[VREPRINT] = lts->c_cc[LINUX_VREPRINT];
339: }
340:
341: static void
342: bsd_termios_to_linux_termios(bts, lts)
343: struct termios *bts;
344: struct linux_termios *lts;
345: {
346: int i, mask;
347:
348: lts->c_iflag = 0;
349: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNBRK, LINUX_IGNBRK);
350: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, BRKINT, LINUX_BRKINT);
351: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNPAR, LINUX_IGNPAR);
352: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, INPCK, LINUX_INPCK);
353: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, ISTRIP, LINUX_ISTRIP);
354: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, INLCR, LINUX_INLCR);
355: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNCR, LINUX_IGNCR);
356: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, ICRNL, LINUX_ICRNL);
357: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXON, LINUX_IXON);
358: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXANY, LINUX_IXANY);
359: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXOFF, LINUX_IXOFF);
360: lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IMAXBEL, LINUX_IMAXBEL);
361:
362: lts->c_oflag = 0;
363: lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, OPOST, LINUX_OPOST);
364: lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, ONLCR, LINUX_ONLCR);
365: lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, OXTABS, LINUX_XTABS);
366:
367: switch (bts->c_cflag & CSIZE) {
368: case CS5:
369: lts->c_cflag = LINUX_CS5;
370: break;
371: case CS6:
372: lts->c_cflag = LINUX_CS6;
373: break;
374: case CS7:
375: lts->c_cflag = LINUX_CS7;
376: break;
377: case CS8:
378: lts->c_cflag = LINUX_CS8;
379: break;
380: }
381: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS5, LINUX_CS5);
382: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS6, LINUX_CS6);
383: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS7, LINUX_CS7);
384: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS8, LINUX_CS8);
385: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CSTOPB, LINUX_CSTOPB);
386: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CREAD, LINUX_CREAD);
387: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARENB, LINUX_PARENB);
388: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARODD, LINUX_PARODD);
389: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, HUPCL, LINUX_HUPCL);
390: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CLOCAL, LINUX_CLOCAL);
391: lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CRTSCTS, LINUX_CRTSCTS);
392:
393: lts->c_lflag = 0;
394: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ISIG, LINUX_ISIG);
395: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ICANON, LINUX_ICANON);
396: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHO, LINUX_ECHO);
397: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOE, LINUX_ECHOE);
398: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOK, LINUX_ECHOK);
399: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHONL, LINUX_ECHONL);
400: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, NOFLSH, LINUX_NOFLSH);
401: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, TOSTOP, LINUX_TOSTOP);
402: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOCTL, LINUX_ECHOCTL);
403: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOPRT, LINUX_ECHOPRT);
404: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOKE, LINUX_ECHOKE);
405: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, FLUSHO, LINUX_FLUSHO);
406: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, PENDIN, LINUX_PENDIN);
407: lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, IEXTEN, LINUX_IEXTEN);
408:
409: mask = LINUX_B9600; /* XXX default value */
410: for (i = 0; i < sizeof (linux_speeds) / sizeof (speed_t); i++) {
411: if (bts->c_ospeed == linux_speeds[i]) {
412: mask = linux_spmasks[i];
413: break;
414: }
415: }
416: lts->c_cflag |= mask;
417:
418: lts->c_cc[LINUX_VINTR] = bts->c_cc[VINTR];
419: lts->c_cc[LINUX_VQUIT] = bts->c_cc[VQUIT];
420: lts->c_cc[LINUX_VERASE] = bts->c_cc[VERASE];
421: lts->c_cc[LINUX_VKILL] = bts->c_cc[VKILL];
422: lts->c_cc[LINUX_VEOF] = bts->c_cc[VEOF];
423: lts->c_cc[LINUX_VTIME] = bts->c_cc[VTIME];
424: lts->c_cc[LINUX_VMIN] = bts->c_cc[VMIN];
425: lts->c_cc[LINUX_VEOL] = bts->c_cc[VEOL];
426: lts->c_cc[LINUX_VEOL2] = bts->c_cc[VEOL2];
427: lts->c_cc[LINUX_VWERASE] = bts->c_cc[VWERASE];
428: lts->c_cc[LINUX_VSUSP] = bts->c_cc[VSUSP];
429: lts->c_cc[LINUX_VSTART] = bts->c_cc[VSTART];
430: lts->c_cc[LINUX_VSTOP] = bts->c_cc[VSTOP];
431: lts->c_cc[LINUX_VLNEXT] = bts->c_cc[VLNEXT];
432: lts->c_cc[LINUX_VDISCARD] = bts->c_cc[VDISCARD];
433: lts->c_cc[LINUX_VREPRINT] = bts->c_cc[VREPRINT];
434: lts->c_cc[LINUX_VSWTC] = 0;
435:
436: /* XXX should be fixed someday */
437: lts->c_line = 0;
438: }
439:
440: int
441: linux_ioctl_termios(p, v, retval)
442: struct proc *p;
443: void *v;
444: register_t *retval;
445: {
446: struct linux_sys_ioctl_args /* {
447: syscallarg(int) fd;
448: syscallarg(u_long) com;
449: syscallarg(caddr_t) data;
450: } */ *uap = v;
451: struct file *fp;
452: struct filedesc *fdp;
453: u_long com;
454: struct linux_termio tmplt;
455: struct linux_termios tmplts;
456: struct termios tmpbts;
457: caddr_t sg;
458: int idat;
459: struct sys_ioctl_args ia;
460: char tioclinux;
461: int error = 0;
462:
463: fdp = p->p_fd;
464: if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
465: return (EBADF);
466: FREF(fp);
467:
468: if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
469: error = EBADF;
470: goto out;
471: }
472:
473: com = SCARG(uap, com);
474: retval[0] = 0;
475:
476: switch (com) {
477: case LINUX_TCGETS:
478: error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETA, (caddr_t)&tmpbts,
479: p);
480: if (error)
481: goto out;
482: bsd_termios_to_linux_termios(&tmpbts, &tmplts);
483: error = copyout(&tmplts, SCARG(uap, data), sizeof tmplts);
484: goto out;
485: case LINUX_TCSETS:
486: case LINUX_TCSETSW:
487: case LINUX_TCSETSF:
488: /*
489: * First fill in all fields, so that we keep the current
490: * values for fields that Linux doesn't know about.
491: */
492: error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETA, (caddr_t)&tmpbts,
493: p);
494: if (error)
495: goto out;
496: error = copyin(SCARG(uap, data), &tmplts, sizeof tmplts);
497: if (error)
498: goto out;
499: linux_termios_to_bsd_termios(&tmplts, &tmpbts);
500: switch (com) {
501: case LINUX_TCSETS:
502: com = TIOCSETA;
503: break;
504: case LINUX_TCSETSW:
505: com = TIOCSETAW;
506: break;
507: case LINUX_TCSETSF:
508: com = TIOCSETAF;
509: break;
510: }
511: error = (*fp->f_ops->fo_ioctl)(fp, com, (caddr_t)&tmpbts, p);
512: goto out;
513: case LINUX_TCGETA:
514: error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETA, (caddr_t)&tmpbts,
515: p);
516: if (error)
517: goto out;
518: bsd_termios_to_linux_termio(&tmpbts, &tmplt);
519: error = copyout(&tmplt, SCARG(uap, data), sizeof tmplt);
520: goto out;
521: case LINUX_TCSETA:
522: case LINUX_TCSETAW:
523: case LINUX_TCSETAF:
524: /*
525: * First fill in all fields, so that we keep the current
526: * values for fields that Linux doesn't know about.
527: */
528: error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETA, (caddr_t)&tmpbts,
529: p);
530: if (error)
531: goto out;
532: error = copyin(SCARG(uap, data), &tmplt, sizeof tmplt);
533: if (error)
534: goto out;
535: linux_termio_to_bsd_termios(&tmplt, &tmpbts);
536: switch (com) {
537: case LINUX_TCSETA:
538: com = TIOCSETA;
539: break;
540: case LINUX_TCSETAW:
541: com = TIOCSETAW;
542: break;
543: case LINUX_TCSETAF:
544: com = TIOCSETAF;
545: break;
546: }
547: error = (*fp->f_ops->fo_ioctl)(fp, com, (caddr_t)&tmpbts, p);
548: goto out;
549: case LINUX_TIOCGETD:
550: error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETD, (caddr_t)&idat, p);
551: if (error)
552: goto out;
553: switch (idat) {
554: case TTYDISC:
555: idat = LINUX_N_TTY;
556: break;
557: case SLIPDISC:
558: idat = LINUX_N_SLIP;
559: break;
560: case PPPDISC:
561: idat = LINUX_N_PPP;
562: break;
563: /*
564: * Linux does not have the tablet line discipline.
565: */
566: case TABLDISC:
567: default:
568: idat = -1; /* XXX What should this be? */
569: break;
570: }
571: error = copyout(&idat, SCARG(uap, data), sizeof idat);
572: goto out;
573: case LINUX_TIOCSETD:
574: error = copyin(SCARG(uap, data), &idat, sizeof idat);
575: if (error)
576: goto out;
577: switch (idat) {
578: case LINUX_N_TTY:
579: idat = TTYDISC;
580: break;
581: case LINUX_N_SLIP:
582: idat = SLIPDISC;
583: break;
584: case LINUX_N_PPP:
585: idat = PPPDISC;
586: break;
587: /*
588: * We can't handle the mouse line discipline Linux has.
589: */
590: case LINUX_N_MOUSE:
591: default:
592: error = EINVAL;
593: goto out;
594: }
595: error = (*fp->f_ops->fo_ioctl)(fp, TIOCSETD, (caddr_t)&idat, p);
596: goto out;
597: case LINUX_TIOCLINUX:
598: error = copyin(SCARG(uap, data), &tioclinux, sizeof tioclinux);
599: if (error != 0)
600: goto out;
601: switch (tioclinux) {
602: case LINUX_TIOCLINUX_KERNMSG:
603: /*
604: * XXX needed to not fail for some things. Could
605: * try to use TIOCCONS, but the char argument
606: * specifies the VT #, not an fd.
607: */
608: goto out;
609: case LINUX_TIOCLINUX_COPY:
610: case LINUX_TIOCLINUX_PASTE:
611: case LINUX_TIOCLINUX_UNBLANK:
612: case LINUX_TIOCLINUX_LOADLUT:
613: case LINUX_TIOCLINUX_READSHIFT:
614: case LINUX_TIOCLINUX_READMOUSE:
615: case LINUX_TIOCLINUX_VESABLANK:
616: case LINUX_TIOCLINUX_CURCONS: /* could use VT_GETACTIVE */
617: error = EINVAL;
618: goto out;
619: }
620: break;
621: case LINUX_TIOCGWINSZ:
622: SCARG(&ia, com) = TIOCGWINSZ;
623: break;
624: case LINUX_TIOCSWINSZ:
625: SCARG(&ia, com) = TIOCSWINSZ;
626: break;
627: case LINUX_TIOCMGET:
628: SCARG(&ia, com) = TIOCMGET;
629: break;
630: case LINUX_TIOCMBIS:
631: SCARG(&ia, com) = TIOCMBIS;
632: break;
633: case LINUX_TIOCMBIC:
634: SCARG(&ia, com) = TIOCMBIC;
635: break;
636: case LINUX_TIOCMSET:
637: SCARG(&ia, com) = TIOCMSET;
638: break;
639: case LINUX_TIOCGPGRP:
640: SCARG(&ia, com) = TIOCGPGRP;
641: break;
642: case LINUX_TIOCSPGRP:
643: SCARG(&ia, com) = TIOCSPGRP;
644: break;
645: case LINUX_FIONREAD:
646: SCARG(&ia, com) = FIONREAD;
647: break;
648: case LINUX_FIONBIO:
649: SCARG(&ia, com) = FIONBIO;
650: break;
651: case LINUX_FIOASYNC:
652: SCARG(&ia, com) = FIOASYNC;
653: break;
654: case LINUX_TIOCEXCL:
655: SCARG(&ia, com) = TIOCEXCL;
656: break;
657: case LINUX_TIOCNXCL:
658: SCARG(&ia, com) = TIOCNXCL;
659: break;
660: case LINUX_TIOCSCTTY:
661: SCARG(&ia, com) = TIOCSCTTY;
662: break;
663: case LINUX_TIOCCONS:
664: SCARG(&ia, com) = TIOCCONS;
665: break;
666: case LINUX_TIOCNOTTY:
667: SCARG(&ia, com) = TIOCNOTTY;
668: break;
669: case LINUX_TCSBRK:
670: SCARG(&ia, com) = SCARG(uap, data) ? TIOCDRAIN : TIOCSBRK;
671: break;
672: case LINUX_TCXONC:
673: switch ((int)SCARG(uap, data)) {
674: case LINUX_TCOOFF:
675: SCARG(&ia, com) = TIOCSTOP;
676: break;
677: case LINUX_TCOON:
678: SCARG(&ia, com) = TIOCSTART;
679: break;
680: case LINUX_TCIOFF:
681: case LINUX_TCION: {
682: u_char c, *cp;
683: struct sys_write_args wa;
684:
685: error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETA,
686: (caddr_t)&tmpbts, p);
687: if (error)
688: goto out;
689: if ((int)SCARG(uap, data) == LINUX_TCIOFF)
690: c = tmpbts.c_cc[VSTOP];
691: else
692: c = tmpbts.c_cc[VSTART];
693: if (c == _POSIX_VDISABLE)
694: goto out;
695:
696: sg = stackgap_init(p->p_emul);
697: cp = (char *) stackgap_alloc(&sg, 1);
698: if ((error = copyout(&c, cp, 1)))
699: goto out;
700:
701: SCARG(&wa, fd) = SCARG(uap, fd);
702: SCARG(&wa, buf) = cp;
703: SCARG(&wa, nbyte) = 1;
704: error = sys_write(p, &wa, retval);
705: goto out;
706: }
707: default:
708: error = EINVAL;
709: goto out;
710: }
711: SCARG(uap, data) = 0;
712: break;
713: default:
714: error = EINVAL;
715: goto out;
716: }
717:
718: SCARG(&ia, fd) = SCARG(uap, fd);
719: SCARG(&ia, data) = SCARG(uap, data);
720: error = sys_ioctl(p, &ia, retval);
721:
722: out:
723: FRELE(fp);
724: return (error);
725: }
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