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Fix LINT build.
[dragonfly.git] / sys / emulation / linux / linux_ioctl.c
blob4515aa1a9772117a6fec7dcbb082eb2cc112a80f
1 /*
2 * Copyright (c) 1994-1995 Søren Schmidt
3 * Copyright (c) 2004 Simon 'corecode' Schubert
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer
11 * in this position and unchanged.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software withough specific prior written permission
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: src/sys/compat/linux/linux_ioctl.c,v 1.55.2.11 2003/05/01 20:16:09 anholt Exp $
30 * $DragonFly: src/sys/emulation/linux/linux_ioctl.c,v 1.25 2008/03/07 11:34:19 sephe Exp $
31 */
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/sysproto.h>
36 #include <sys/cdio.h>
37 #include <sys/consio.h>
38 #include <sys/ctype.h>
39 #include <sys/diskslice.h>
40 #include <sys/fcntl.h>
41 #include <sys/file.h>
42 #include <sys/filedesc.h>
43 #include <sys/filio.h>
44 #include <sys/kbio.h>
45 #include <sys/kernel.h>
46 #include <sys/linker_set.h>
47 #include <sys/malloc.h>
48 #include <sys/mapped_ioctl.h>
49 #include <sys/proc.h>
50 #include <sys/socket.h>
51 #include <sys/sockio.h>
52 #include <sys/soundcard.h>
53 #include <sys/tty.h>
54 #include <sys/uio.h>
55 #include <net/if.h>
56 #include <net/if_dl.h>
57 #include <net/if_types.h>
58
59 #include <sys/file2.h>
60 #include <sys/mplock2.h>
61
62 #include <arch_linux/linux.h>
63 #include <arch_linux/linux_proto.h>
64
65 #include "linux_ioctl.h"
66 #include "linux_mib.h"
67 #include "linux_util.h"
68
69
70 static int
71 linux_ioctl_BLKGETSIZE32(struct file *fp, u_long cmd, u_long ocmd,
72 caddr_t data, struct ucred *cred)
73 {
74 struct partinfo dpart;
75 u_int32_t value;
76 int error;
77
78 error = fo_ioctl(fp, DIOCGPART, (caddr_t)&dpart, cred, NULL);
79 if (error)
80 return (error);
81 value = dpart.media_blocks; /* 64->32 */
82 bcopy(&value, data, sizeof(value));
83 return (0);
84 }
85
86
87 /*
88 * termio related ioctls
89 */
90
91 struct linux_termio {
92 unsigned short c_iflag;
93 unsigned short c_oflag;
94 unsigned short c_cflag;
95 unsigned short c_lflag;
96 unsigned char c_line;
97 unsigned char c_cc[LINUX_NCC];
98 };
99
100 struct linux_termios {
101 unsigned int c_iflag;
102 unsigned int c_oflag;
103 unsigned int c_cflag;
104 unsigned int c_lflag;
105 unsigned char c_line;
106 unsigned char c_cc[LINUX_NCCS];
107 };
108
109 struct linux_winsize {
110 unsigned short ws_row, ws_col;
111 unsigned short ws_xpixel, ws_ypixel;
112 };
113
114 static struct speedtab sptab[] = {
115 { B0, LINUX_B0 }, { B50, LINUX_B50 },
116 { B75, LINUX_B75 }, { B110, LINUX_B110 },
117 { B134, LINUX_B134 }, { B150, LINUX_B150 },
118 { B200, LINUX_B200 }, { B300, LINUX_B300 },
119 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
120 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
121 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
122 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
123 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
124 {-1, -1 }
125 };
126
127 struct linux_serial_struct {
128 int type;
129 int line;
130 int port;
131 int irq;
132 int flags;
133 int xmit_fifo_size;
134 int custom_divisor;
135 int baud_base;
136 unsigned short close_delay;
137 char reserved_char[2];
138 int hub6;
139 unsigned short closing_wait;
140 unsigned short closing_wait2;
141 int reserved[4];
142 };
143
144 static int
145 linux_to_bsd_speed(int code, struct speedtab *table)
146 {
147 for ( ; table->sp_code != -1; table++)
148 if (table->sp_code == code)
149 return (table->sp_speed);
150 return -1;
151 }
152
153 static int
154 bsd_to_linux_speed(int speed, struct speedtab *table)
155 {
156 for ( ; table->sp_speed != -1; table++)
157 if (table->sp_speed == speed)
158 return (table->sp_code);
159 return -1;
160 }
161
162 static void
163 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
164 {
165 int i;
166
167 #ifdef DEBUG
168 if (ldebug(ioctl)) {
169 kprintf("LINUX: BSD termios structure (input):\n");
170 kprintf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
171 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
172 bios->c_ispeed, bios->c_ospeed);
173 kprintf("c_cc ");
174 for (i=0; i<NCCS; i++)
175 kprintf("%02x ", bios->c_cc[i]);
176 kprintf("\n");
177 }
178 #endif
179
180 lios->c_iflag = 0;
181 if (bios->c_iflag & IGNBRK)
182 lios->c_iflag |= LINUX_IGNBRK;
183 if (bios->c_iflag & BRKINT)
184 lios->c_iflag |= LINUX_BRKINT;
185 if (bios->c_iflag & IGNPAR)
186 lios->c_iflag |= LINUX_IGNPAR;
187 if (bios->c_iflag & PARMRK)
188 lios->c_iflag |= LINUX_PARMRK;
189 if (bios->c_iflag & INPCK)
190 lios->c_iflag |= LINUX_INPCK;
191 if (bios->c_iflag & ISTRIP)
192 lios->c_iflag |= LINUX_ISTRIP;
193 if (bios->c_iflag & INLCR)
194 lios->c_iflag |= LINUX_INLCR;
195 if (bios->c_iflag & IGNCR)
196 lios->c_iflag |= LINUX_IGNCR;
197 if (bios->c_iflag & ICRNL)
198 lios->c_iflag |= LINUX_ICRNL;
199 if (bios->c_iflag & IXON)
200 lios->c_iflag |= LINUX_IXON;
201 if (bios->c_iflag & IXANY)
202 lios->c_iflag |= LINUX_IXANY;
203 if (bios->c_iflag & IXOFF)
204 lios->c_iflag |= LINUX_IXOFF;
205 if (bios->c_iflag & IMAXBEL)
206 lios->c_iflag |= LINUX_IMAXBEL;
207
208 lios->c_oflag = 0;
209 if (bios->c_oflag & OPOST)
210 lios->c_oflag |= LINUX_OPOST;
211 if (bios->c_oflag & ONLCR)
212 lios->c_oflag |= LINUX_ONLCR;
213 if (bios->c_oflag & OXTABS)
214 lios->c_oflag |= LINUX_XTABS;
215
216 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
217 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
218 if (bios->c_cflag & CSTOPB)
219 lios->c_cflag |= LINUX_CSTOPB;
220 if (bios->c_cflag & CREAD)
221 lios->c_cflag |= LINUX_CREAD;
222 if (bios->c_cflag & PARENB)
223 lios->c_cflag |= LINUX_PARENB;
224 if (bios->c_cflag & PARODD)
225 lios->c_cflag |= LINUX_PARODD;
226 if (bios->c_cflag & HUPCL)
227 lios->c_cflag |= LINUX_HUPCL;
228 if (bios->c_cflag & CLOCAL)
229 lios->c_cflag |= LINUX_CLOCAL;
230 if (bios->c_cflag & CRTSCTS)
231 lios->c_cflag |= LINUX_CRTSCTS;
232
233 lios->c_lflag = 0;
234 if (bios->c_lflag & ISIG)
235 lios->c_lflag |= LINUX_ISIG;
236 if (bios->c_lflag & ICANON)
237 lios->c_lflag |= LINUX_ICANON;
238 if (bios->c_lflag & ECHO)
239 lios->c_lflag |= LINUX_ECHO;
240 if (bios->c_lflag & ECHOE)
241 lios->c_lflag |= LINUX_ECHOE;
242 if (bios->c_lflag & ECHOK)
243 lios->c_lflag |= LINUX_ECHOK;
244 if (bios->c_lflag & ECHONL)
245 lios->c_lflag |= LINUX_ECHONL;
246 if (bios->c_lflag & NOFLSH)
247 lios->c_lflag |= LINUX_NOFLSH;
248 if (bios->c_lflag & TOSTOP)
249 lios->c_lflag |= LINUX_TOSTOP;
250 if (bios->c_lflag & ECHOCTL)
251 lios->c_lflag |= LINUX_ECHOCTL;
252 if (bios->c_lflag & ECHOPRT)
253 lios->c_lflag |= LINUX_ECHOPRT;
254 if (bios->c_lflag & ECHOKE)
255 lios->c_lflag |= LINUX_ECHOKE;
256 if (bios->c_lflag & FLUSHO)
257 lios->c_lflag |= LINUX_FLUSHO;
258 if (bios->c_lflag & PENDIN)
259 lios->c_lflag |= LINUX_PENDIN;
260 if (bios->c_lflag & IEXTEN)
261 lios->c_lflag |= LINUX_IEXTEN;
262
263 for (i=0; i<LINUX_NCCS; i++)
264 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
265 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
266 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
267 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
268 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
269 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
270 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
271 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
272 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
273 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
274 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
275 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
276 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
277 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
278 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
279 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
280 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
281
282 for (i=0; i<LINUX_NCCS; i++) {
283 if (i != LINUX_VMIN && i != LINUX_VTIME &&
284 lios->c_cc[i] == _POSIX_VDISABLE)
285 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
286 }
287 lios->c_line = 0;
288
289 #ifdef DEBUG
290 if (ldebug(ioctl)) {
291 kprintf("LINUX: LINUX termios structure (output):\n");
292 kprintf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
293 lios->c_iflag, lios->c_oflag, lios->c_cflag,
294 lios->c_lflag, (int)lios->c_line);
295 kprintf("c_cc ");
296 for (i=0; i<LINUX_NCCS; i++)
297 kprintf("%02x ", lios->c_cc[i]);
298 kprintf("\n");
299 }
300 #endif
301 }
302
303 static void
304 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
305 {
306 int i;
307
308 #ifdef DEBUG
309 if (ldebug(ioctl)) {
310 kprintf("LINUX: LINUX termios structure (input):\n");
311 kprintf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
312 lios->c_iflag, lios->c_oflag, lios->c_cflag,
313 lios->c_lflag, (int)lios->c_line);
314 kprintf("c_cc ");
315 for (i=0; i<LINUX_NCCS; i++)
316 kprintf("%02x ", lios->c_cc[i]);
317 kprintf("\n");
318 }
319 #endif
320
321 bios->c_iflag = 0;
322 if (lios->c_iflag & LINUX_IGNBRK)
323 bios->c_iflag |= IGNBRK;
324 if (lios->c_iflag & LINUX_BRKINT)
325 bios->c_iflag |= BRKINT;
326 if (lios->c_iflag & LINUX_IGNPAR)
327 bios->c_iflag |= IGNPAR;
328 if (lios->c_iflag & LINUX_PARMRK)
329 bios->c_iflag |= PARMRK;
330 if (lios->c_iflag & LINUX_INPCK)
331 bios->c_iflag |= INPCK;
332 if (lios->c_iflag & LINUX_ISTRIP)
333 bios->c_iflag |= ISTRIP;
334 if (lios->c_iflag & LINUX_INLCR)
335 bios->c_iflag |= INLCR;
336 if (lios->c_iflag & LINUX_IGNCR)
337 bios->c_iflag |= IGNCR;
338 if (lios->c_iflag & LINUX_ICRNL)
339 bios->c_iflag |= ICRNL;
340 if (lios->c_iflag & LINUX_IXON)
341 bios->c_iflag |= IXON;
342 if (lios->c_iflag & LINUX_IXANY)
343 bios->c_iflag |= IXANY;
344 if (lios->c_iflag & LINUX_IXOFF)
345 bios->c_iflag |= IXOFF;
346 if (lios->c_iflag & LINUX_IMAXBEL)
347 bios->c_iflag |= IMAXBEL;
348
349 bios->c_oflag = 0;
350 if (lios->c_oflag & LINUX_OPOST)
351 bios->c_oflag |= OPOST;
352 if (lios->c_oflag & LINUX_ONLCR)
353 bios->c_oflag |= ONLCR;
354 if (lios->c_oflag & LINUX_XTABS)
355 bios->c_oflag |= OXTABS;
356
357 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
358 if (lios->c_cflag & LINUX_CSTOPB)
359 bios->c_cflag |= CSTOPB;
360 if (lios->c_cflag & LINUX_CREAD)
361 bios->c_cflag |= CREAD;
362 if (lios->c_cflag & LINUX_PARENB)
363 bios->c_cflag |= PARENB;
364 if (lios->c_cflag & LINUX_PARODD)
365 bios->c_cflag |= PARODD;
366 if (lios->c_cflag & LINUX_HUPCL)
367 bios->c_cflag |= HUPCL;
368 if (lios->c_cflag & LINUX_CLOCAL)
369 bios->c_cflag |= CLOCAL;
370 if (lios->c_cflag & LINUX_CRTSCTS)
371 bios->c_cflag |= CRTSCTS;
372
373 bios->c_lflag = 0;
374 if (lios->c_lflag & LINUX_ISIG)
375 bios->c_lflag |= ISIG;
376 if (lios->c_lflag & LINUX_ICANON)
377 bios->c_lflag |= ICANON;
378 if (lios->c_lflag & LINUX_ECHO)
379 bios->c_lflag |= ECHO;
380 if (lios->c_lflag & LINUX_ECHOE)
381 bios->c_lflag |= ECHOE;
382 if (lios->c_lflag & LINUX_ECHOK)
383 bios->c_lflag |= ECHOK;
384 if (lios->c_lflag & LINUX_ECHONL)
385 bios->c_lflag |= ECHONL;
386 if (lios->c_lflag & LINUX_NOFLSH)
387 bios->c_lflag |= NOFLSH;
388 if (lios->c_lflag & LINUX_TOSTOP)
389 bios->c_lflag |= TOSTOP;
390 if (lios->c_lflag & LINUX_ECHOCTL)
391 bios->c_lflag |= ECHOCTL;
392 if (lios->c_lflag & LINUX_ECHOPRT)
393 bios->c_lflag |= ECHOPRT;
394 if (lios->c_lflag & LINUX_ECHOKE)
395 bios->c_lflag |= ECHOKE;
396 if (lios->c_lflag & LINUX_FLUSHO)
397 bios->c_lflag |= FLUSHO;
398 if (lios->c_lflag & LINUX_PENDIN)
399 bios->c_lflag |= PENDIN;
400 if (lios->c_lflag & LINUX_IEXTEN)
401 bios->c_lflag |= IEXTEN;
402
403 for (i=0; i<NCCS; i++)
404 bios->c_cc[i] = _POSIX_VDISABLE;
405 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
406 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
407 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
408 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
409 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
410 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
411 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
412 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
413 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
414 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
415 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
416 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
417 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
418 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
419 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
420 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
421
422 for (i=0; i<NCCS; i++) {
423 if (i != VMIN && i != VTIME &&
424 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
425 bios->c_cc[i] = _POSIX_VDISABLE;
426 }
427
428 bios->c_ispeed = bios->c_ospeed =
429 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
430
431 #ifdef DEBUG
432 if (ldebug(ioctl)) {
433 kprintf("LINUX: BSD termios structure (output):\n");
434 kprintf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
435 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
436 bios->c_ispeed, bios->c_ospeed);
437 kprintf("c_cc ");
438 for (i=0; i<NCCS; i++)
439 kprintf("%02x ", bios->c_cc[i]);
440 kprintf("\n");
441 }
442 #endif
443 }
444
445 static void
446 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
447 {
448 struct linux_termios lios;
449
450 bsd_to_linux_termios(bios, &lios);
451 lio->c_iflag = lios.c_iflag;
452 lio->c_oflag = lios.c_oflag;
453 lio->c_cflag = lios.c_cflag;
454 lio->c_lflag = lios.c_lflag;
455 lio->c_line = lios.c_line;
456 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
457 }
458
459 static void
460 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
461 {
462 struct linux_termios lios;
463 int i;
464
465 lios.c_iflag = lio->c_iflag;
466 lios.c_oflag = lio->c_oflag;
467 lios.c_cflag = lio->c_cflag;
468 lios.c_lflag = lio->c_lflag;
469 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
470 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
471 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
472 linux_to_bsd_termios(&lios, bios);
473 }
474
475 static int
476 linux_ioctl_TCGETS(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
477 {
478 struct termios bios;
479 struct linux_termios lios;
480 int error;
481
482 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, cred, NULL);
483 if (error)
484 return (error);
485 bsd_to_linux_termios(&bios, &lios);
486 bcopy(&lios, data, sizeof(lios));
487 return (0);
488 }
489
490 static int
491 linux_ioctl_TCSETS(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
492 {
493 struct termios bios;
494 struct linux_termios lios;
495
496 bcopy(data, &lios, sizeof(lios));
497 linux_to_bsd_termios(&lios, &bios);
498 return (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, cred, NULL));
499 }
500
501 static int
502 linux_ioctl_TCSETSW(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
503 {
504 struct termios bios;
505 struct linux_termios lios;
506
507 bcopy(data, &lios, sizeof(lios));
508 linux_to_bsd_termios(&lios, &bios);
509 return (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, cred, NULL));
510 }
511
512 static int
513 linux_ioctl_TCSETSF(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
514 {
515 struct termios bios;
516 struct linux_termios lios;
517
518 bcopy(data, &lios, sizeof(lios));
519 linux_to_bsd_termios(&lios, &bios);
520 return (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, cred, NULL));
521 }
522
523 static int
524 linux_ioctl_TCGETA(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
525 {
526 struct termios bios;
527 struct linux_termio lio;
528 int error;
529
530 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, cred, NULL);
531 if (error)
532 return (error);
533 bsd_to_linux_termio(&bios, &lio);
534 bcopy(&lio, data, sizeof(lio));
535 return (0);
536 }
537
538 static int
539 linux_ioctl_TCSETA(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
540 {
541 struct termios bios;
542 struct linux_termio lio;
543
544 bcopy(data, &lio, sizeof(lio));
545 linux_to_bsd_termio(&lio, &bios);
546 return (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, cred, NULL));
547 }
548
549 static int
550 linux_ioctl_TCSETAW(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
551 {
552 struct termios bios;
553 struct linux_termio lio;
554
555 bcopy(data, &lio, sizeof(lio));
556 linux_to_bsd_termio(&lio, &bios);
557 return (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, cred, NULL));
558 }
559
560 static int
561 linux_ioctl_TCSETAF(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
562 {
563 struct termios bios;
564 struct linux_termio lio;
565
566 bcopy(data, &lio, sizeof(lio));
567 linux_to_bsd_termio(&lio, &bios);
568 return (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, cred, NULL));
569 }
570
571 static int
572 linux_ioctl_TIOCLINUX(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
573 {
574 switch ((u_char)*data) {
575 case 11: /* LINUX_TIOCLINUX_KERNMSG */
576 return 0;
577 default:
578 kprintf("Unknown LINUX_TIOCLINUX: %d\n", ((u_char)*data));
579 kprintf("cmd = %lu, ocmd = %lu\n", cmd, ocmd);
580 return 0;
581 }
582 return 0;
583 }
584
585 static int
586 linux_ioctl_TCXONC(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
587 {
588 switch ((u_long)data) {
589 case LINUX_TCOOFF:
590 cmd = TIOCSTOP;
591 break;
592 case LINUX_TCOON:
593 cmd = TIOCSTART;
594 break;
595 case LINUX_TCIOFF:
596 case LINUX_TCION: {
597 struct termios bios;
598 int error, c;
599
600 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, cred, NULL);
601 if (error)
602 return (error);
603 c = ((u_long)data == LINUX_TCIOFF) ? VSTOP : VSTART;
604 c = bios.c_cc[c];
605 if (c != _POSIX_VDISABLE) {
606 struct uio auio;
607 struct iovec aiov;
608
609 aiov.iov_base = (char *)&c;
610 aiov.iov_len = sizeof(*bios.c_cc);
611 auio.uio_iov = &aiov;
612 auio.uio_iovcnt = 1;
613 auio.uio_offset = -1;
614 auio.uio_resid = sizeof(*bios.c_cc);
615 auio.uio_rw = UIO_WRITE;
616 auio.uio_segflg = UIO_SYSSPACE;
617 auio.uio_td = curthread;
618
619 return (fo_write(fp, &auio, fp->f_cred, 0));
620 }
621
622 return (0);
623 }
624 default:
625 return (EINVAL);
626 }
627 return (fo_ioctl(fp, cmd, 0, cred, NULL));
628 }
629
630 static int
631 linux_ioctl_TCFLSH(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
632 {
633 switch ((u_long)data) {
634 case LINUX_TCIFLUSH:
635 *(u_long *)data = FREAD;
636 break;
637 case LINUX_TCOFLUSH:
638 *(u_long *)data = FWRITE;
639 break;
640 case LINUX_TCIOFLUSH:
641 *(u_long *)data = FREAD | FWRITE;
642 break;
643 default:
644 return (EINVAL);
645 }
646 return (fo_ioctl(fp, TIOCFLUSH, data, cred, NULL));
647 }
648
649 static int
650 linux_ioctl_TIOCGSERIAL(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
651 {
652 struct linux_serial_struct lss;
653
654 lss.type = LINUX_PORT_16550A;
655 lss.flags = 0;
656 lss.close_delay = 0;
657 bcopy(&lss, data, sizeof(lss));
658 return (0);
659 }
660
661 static int
662 linux_ioctl_TIOCSSERIAL(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
663 {
664 #if 0
665 struct linux_serial_struct lss;
666
667 bcopy(data, &lss, sizeof(lss));
668 /* XXX - It really helps to have an implementation that
669 * does nothing. NOT!
670 */
671 #endif
672 return (0);
673 }
674
675 static int
676 linux_ioctl_TIOCSETD(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
677 {
678 int line;
679
680 switch ((u_long)data) {
681 case LINUX_N_TTY:
682 line = TTYDISC;
683 break;
684 case LINUX_N_SLIP:
685 line = SLIPDISC;
686 break;
687 case LINUX_N_PPP:
688 line = PPPDISC;
689 break;
690 default:
691 return (EINVAL);
692 }
693 return (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, cred, NULL));
694 }
695
696 static int
697 linux_ioctl_TIOCGETD(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
698 {
699 int linux_line, error;
700 int bsd_line = TTYDISC;
701
702 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, cred, NULL);
703 if (error)
704 return (error);
705 switch (bsd_line) {
706 case TTYDISC:
707 linux_line = LINUX_N_TTY;
708 break;
709 case SLIPDISC:
710 linux_line = LINUX_N_SLIP;
711 break;
712 case PPPDISC:
713 linux_line = LINUX_N_PPP;
714 break;
715 default:
716 return (EINVAL);
717 }
718 bcopy(&linux_line, data, sizeof(int));
719 return (0);
720 }
721
722
723 /*
724 * CDROM related ioctls
725 */
726
727 struct linux_cdrom_msf
728 {
729 u_char cdmsf_min0;
730 u_char cdmsf_sec0;
731 u_char cdmsf_frame0;
732 u_char cdmsf_min1;
733 u_char cdmsf_sec1;
734 u_char cdmsf_frame1;
735 };
736
737 struct linux_cdrom_tochdr
738 {
739 u_char cdth_trk0;
740 u_char cdth_trk1;
741 };
742
743 union linux_cdrom_addr
744 {
745 struct {
746 u_char minute;
747 u_char second;
748 u_char frame;
749 } msf;
750 int lba;
751 };
752
753 struct linux_cdrom_tocentry
754 {
755 u_char cdte_track;
756 u_char cdte_adr:4;
757 u_char cdte_ctrl:4;
758 u_char cdte_format;
759 union linux_cdrom_addr cdte_addr;
760 u_char cdte_datamode;
761 };
762
763 struct linux_cdrom_subchnl
764 {
765 u_char cdsc_format;
766 u_char cdsc_audiostatus;
767 u_char cdsc_adr:4;
768 u_char cdsc_ctrl:4;
769 u_char cdsc_trk;
770 u_char cdsc_ind;
771 union linux_cdrom_addr cdsc_absaddr;
772 union linux_cdrom_addr cdsc_reladdr;
773 };
774
775 static void
776 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
777 {
778 if (af == CD_LBA_FORMAT)
779 lp->lba = bp->lba;
780 else {
781 lp->msf.minute = bp->msf.minute;
782 lp->msf.second = bp->msf.second;
783 lp->msf.frame = bp->msf.frame;
784 }
785 }
786
787 static void
788 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
789 {
790 if (format == LINUX_CDROM_MSF) {
791 addr->msf.frame = lba % 75;
792 lba /= 75;
793 lba += 2;
794 addr->msf.second = lba % 60;
795 addr->msf.minute = lba / 60;
796 } else
797 addr->lba = lba;
798 }
799
800 static int
801 linux_ioctl_CDROMREADTOCHDR(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
802 {
803 struct ioc_toc_header th;
804 struct linux_cdrom_tochdr lth;
805 int error;
806
807 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, cred, NULL);
808 if (error)
809 return (error);
810 lth.cdth_trk0 = th.starting_track;
811 lth.cdth_trk1 = th.ending_track;
812 bcopy(&lth, data, sizeof(lth));
813 return (0);
814 }
815
816 static int
817 linux_ioctl_CDROMREADTOCENTRY(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
818 {
819 struct linux_cdrom_tocentry *ltep = (struct linux_cdrom_tocentry *)data;
820 struct ioc_read_toc_single_entry irtse;
821 int error;
822
823 irtse.address_format = ltep->cdte_format;
824 irtse.track = ltep->cdte_track;
825 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, cred, NULL);
826 if (error)
827 return (error);
828
829 ltep->cdte_ctrl = irtse.entry.control;
830 ltep->cdte_adr = irtse.entry.addr_type;
831 bsd_to_linux_msf_lba(irtse.address_format, &irtse.entry.addr,
832 &ltep->cdte_addr);
833 return (0);
834 }
835
836 static int
837 linux_ioctl_CDROMSUBCHNL(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
838 {
839 struct linux_cdrom_subchnl *sc = (struct linux_cdrom_subchnl *)data;
840 struct ioc_read_subchannel bsdsc;
841 struct cd_sub_channel_info *bsdinfo;
842 int error;
843 caddr_t sg = stackgap_init();
844
845 bsdinfo = stackgap_alloc(&sg, sizeof(struct cd_sub_channel_info));
846 bsdsc.address_format = CD_LBA_FORMAT;
847 bsdsc.data_format = CD_CURRENT_POSITION;
848 bsdsc.track = 0;
849 bsdsc.data_len = sizeof(struct cd_sub_channel_info);
850 bsdsc.data = bsdinfo;
851 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, cred, NULL);
852 if (error)
853 return (error);
854 sc->cdsc_audiostatus = bsdinfo->header.audio_status;
855 sc->cdsc_adr = bsdinfo->what.position.addr_type;
856 sc->cdsc_ctrl = bsdinfo->what.position.control;
857 sc->cdsc_trk = bsdinfo->what.position.track_number;
858 sc->cdsc_ind = bsdinfo->what.position.index_number;
859 set_linux_cdrom_addr(&sc->cdsc_absaddr, sc->cdsc_format, bsdinfo->what.position.absaddr.lba);
860 set_linux_cdrom_addr(&sc->cdsc_reladdr, sc->cdsc_format, bsdinfo->what.position.reladdr.lba);
861 return (0);
862 }
863
864
865 /*
866 * Sound related ioctls
867 */
868
869 static int
870 linux_ioctl_OSS_GETVERSION(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
871 {
872 int version = linux_get_oss_version(curthread);
873
874 bcopy(&version, data, sizeof(int));
875 return (0);
876 }
877
878
879 /*
880 * Console related ioctls
881 */
882
883 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
884
885 static int
886 linux_ioctl_KDSKBMODE(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
887 {
888 int kbdmode;
889
890 switch ((u_long)data) {
891 case LINUX_KBD_RAW:
892 kbdmode = K_RAW;
893 break;
894 case LINUX_KBD_XLATE:
895 kbdmode = K_XLATE;
896 break;
897 case LINUX_KBD_MEDIUMRAW:
898 kbdmode = K_RAW;
899 break;
900 default:
901 return (EINVAL);
902 }
903 return (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, cred, NULL));
904 }
905
906 static int
907 linux_ioctl_VT_SETMODE(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
908 {
909 struct vt_mode *mode = (struct vt_mode *)data;
910
911 if (!ISSIGVALID(mode->frsig) && ISSIGVALID(mode->acqsig))
912 mode->frsig = mode->acqsig;
913 return (fo_ioctl(fp, VT_SETMODE, data, cred, NULL));
914 }
915
916
917 /*
918 * Socket related ioctls
919 */
920
921 /*
922 * Criteria for interface name translation
923 */
924 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
925
926 /*
927 * Interface function used by linprocfs (at the time of writing). It's not
928 * used by the Linuxulator itself.
929 */
930 int
931 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
932 {
933 struct ifnet *ifscan;
934 int ethno;
935
936 /* Short-circuit non ethernet interfaces */
937 if (!IFP_IS_ETH(ifp))
938 return (strlcpy(buffer, ifp->if_xname, buflen));
939
940 /* Determine the (relative) unit number for ethernet interfaces */
941 ethno = 0;
942 TAILQ_FOREACH(ifscan, &ifnet, if_link) {
943 if (ifscan == ifp)
944 return (ksnprintf(buffer, buflen, "eth%d", ethno));
945 if (IFP_IS_ETH(ifscan))
946 ethno++;
947 }
948
949 return (0);
950 }
951
952 /*
953 * Translate a Linux interface name to a FreeBSD interface name,
954 * and return the associated ifnet structure
955 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
956 * can point to the same buffer.
957 */
958
959 static struct ifnet *
960 ifname_linux_to_bsd(const char *lxname, char *bsdname)
961 {
962 struct ifnet *ifp;
963 int len, unit;
964 char *ep;
965 int is_eth, index;
966
967 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
968 if (!isalpha(lxname[len]))
969 break;
970 if (len == 0 || len == LINUX_IFNAMSIZ)
971 return (NULL);
972 unit = (int)strtoul(lxname + len, &ep, 10);
973 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
974 return (NULL);
975 index = 0;
976 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
977 TAILQ_FOREACH(ifp, &ifnet, if_link) {
978 /*
979 * Allow Linux programs to use FreeBSD names. Don't presume
980 * we never have an interface named "eth", so don't make
981 * the test optional based on is_eth.
982 */
983 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
984 break;
985 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
986 break;
987 }
988 if (ifp != NULL)
989 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
990 return (ifp);
991 }
992
993 static int
994 linux_ioctl_SIOCGIFCONF(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
995 {
996 struct ifconf *ifc = (struct ifconf *)data;
997 struct l_ifreq ifr;
998 struct ifnet *ifp;
999 struct iovec iov;
1000 struct uio uio;
1001 int error, ethno;
1002
1003 /* much easier to use uiomove than keep track ourselves */
1004 iov.iov_base = ifc->ifc_buf;
1005 iov.iov_len = ifc->ifc_len;
1006 uio.uio_iov = &iov;
1007 uio.uio_iovcnt = 1;
1008 uio.uio_offset = 0;
1009 uio.uio_resid = ifc->ifc_len;
1010 uio.uio_segflg = UIO_USERSPACE;
1011 uio.uio_rw = UIO_READ;
1012 uio.uio_td = curthread;
1013
1014 /* Keep track of eth interfaces */
1015 ethno = 0;
1016
1017 /* Return all AF_INET addresses of all interfaces */
1018 TAILQ_FOREACH(ifp, &ifnet, if_link) {
1019 struct ifaddr_container *ifac;
1020
1021 if (uio.uio_resid <= 0)
1022 break;
1023
1024 bzero(&ifr, sizeof ifr);
1025 if (IFP_IS_ETH(ifp))
1026 ksnprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
1027 ethno++);
1028 else
1029 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
1030
1031 /* Walk the address list */
1032 TAILQ_FOREACH(ifac, &ifp->if_addrheads[mycpuid], ifa_link) {
1033 struct ifaddr *ifa = ifac->ifa;
1034 struct sockaddr *sa = ifa->ifa_addr;
1035
1036 if (uio.uio_resid <= 0)
1037 break;
1038
1039 if (sa->sa_family == AF_INET) {
1040 ifr.ifr_addr.sa_family = LINUX_AF_INET;
1041 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
1042 sizeof(ifr.ifr_addr.sa_data));
1043
1044 error = uiomove((caddr_t)&ifr, sizeof ifr,
1045 &uio);
1046 if (error != 0)
1047 return (error);
1048 }
1049 }
1050 }
1051
1052 ifc->ifc_len -= uio.uio_resid;
1053
1054 return (0);
1055 }
1056
1057 static int
1058 linux_ioctl_SIOCGIFFLAGS(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
1059 {
1060 struct l_ifreq *ifr = (struct l_ifreq *)data;
1061 struct ifnet *ifp;
1062 char ifname[IFNAMSIZ];
1063 l_short flags;
1064
1065 #if 0
1066 if (fp->f_type != DTYPE_SOCKET) {
1067 /* XXX: I doubt this is correct because
1068 * we don't translate the ifname and
1069 * use l_ifreq instead of ifreq
1070 */
1071 return (fo_ioctl(fp, SIOCGIFFLAGS, data, cred, NULL));
1072 }
1073 #endif
1074
1075 ifp = ifname_linux_to_bsd(ifr->ifr_name, ifname);
1076 if (ifp == NULL)
1077 return (EINVAL);
1078
1079 flags = ifp->if_flags;
1080 /* these flags have no Linux equivalent */
1081 flags &= ~(IFF_SMART|IFF_OACTIVE|IFF_SIMPLEX|
1082 IFF_LINK0|IFF_LINK1|IFF_LINK2);
1083 /* Linux' multicast flag is in a different bit */
1084 if (flags & IFF_MULTICAST) {
1085 flags &= ~IFF_MULTICAST;
1086 flags |= 0x1000;
1087 }
1088
1089 ifr->ifr_flags = flags;
1090 return (0);
1091 }
1092
1093 #define ARPHRD_ETHER 1
1094 #define ARPHRD_LOOPBACK 772
1095
1096 /* XXX: could implement using native ioctl, so only mapping */
1097 static int
1098 linux_ioctl_SIOCGIFINDEX(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
1099 {
1100 struct l_ifreq *ifr = (struct l_ifreq *)data;
1101 struct ifnet *ifp;
1102 char ifname[IFNAMSIZ];
1103 l_int index;
1104
1105 ifp = ifname_linux_to_bsd(ifr->ifr_name, ifname);
1106 if (ifp == NULL)
1107 return EINVAL;
1108
1109 #if DEBUG
1110 kprintf("Interface index: %d\n", ifp->if_index);
1111 #endif
1112
1113 index = ifp->if_index;
1114 return (copyout(&index, &ifr->ifr_ifindex, sizeof(index)));
1115 }
1116
1117 static int
1118 linux_ioctl_SIOCGIFMETRIC(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
1119 {
1120 struct l_ifreq *ifr = (struct l_ifreq *)data;
1121 struct ifnet *ifp;
1122 char ifname[IFNAMSIZ];
1123 l_int metric;
1124
1125 ifp = ifname_linux_to_bsd(ifr->ifr_name, ifname);
1126 if (ifp == NULL)
1127 return EINVAL;
1128
1129 metric = ifp->if_metric;
1130 return (copyout(&metric, &ifr->ifr_ifmetric, sizeof(metric)));
1131 }
1132
1133 static int
1134 linux_ioctl_SIOGIFHWADDR(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
1135 {
1136 struct l_ifreq *ifr = (struct l_ifreq *)data;
1137 struct ifnet *ifp;
1138 char ifname[IFNAMSIZ];
1139 struct sockaddr_dl *sdl;
1140 struct l_sockaddr lsa;
1141 struct ifaddr_container *ifac;
1142
1143 ifp = ifname_linux_to_bsd(ifr->ifr_name, ifname);
1144 if (ifp == NULL) {
1145 return EINVAL;
1146 }
1147
1148 if (ifp->if_type == IFT_LOOP) {
1149 bzero(&ifr->ifr_hwaddr, sizeof lsa);
1150 ifr->ifr_hwaddr.sa_family = ARPHRD_LOOPBACK;
1151 return (0);
1152 }
1153
1154 if (ifp->if_type != IFT_ETHER)
1155 return (ENOENT);
1156
1157 TAILQ_FOREACH(ifac, &ifp->if_addrheads[mycpuid], ifa_link) {
1158 struct ifaddr *ifa = ifac->ifa;
1159
1160 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
1161 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
1162 (sdl->sdl_type == IFT_ETHER)) {
1163 bzero(&ifr->ifr_hwaddr, sizeof lsa);
1164 ifr->ifr_hwaddr.sa_family = ARPHRD_ETHER;
1165 bcopy(LLADDR(sdl), ifr->ifr_hwaddr.sa_data, LINUX_IFHWADDRLEN);
1166 return (0);
1167 }
1168 }
1169
1170 return (ENOENT);
1171 }
1172
1173 static int
1174 linux_ioctl_map_ifname(struct file *fp, u_long cmd, u_long ocmd, caddr_t data, struct ucred *cred)
1175 {
1176 struct ifnet *ifp;
1177 int error;
1178 char *oifname = (char *)data;
1179 char lifname[LINUX_IFNAMSIZ];
1180
1181 KASSERT(LINUX_IFNAMSIZ == IFNAMSIZ,
1182 ("%s(): LINUX_IFNAMSIZ != IFNAMSIZ", __func__));
1183
1184 if (fp->f_type != DTYPE_SOCKET) {
1185 /*
1186 * XXX: I doubt this is correct because
1187 * we don't map the ifname
1188 */
1189 /* not a socket - probably a tap / vmnet device */
1190 if (ocmd == LINUX_SIOCGIFADDR || ocmd == LINUX_SIOCSIFADDR) {
1191 cmd = (ocmd == LINUX_SIOCGIFADDR) ? SIOCGIFADDR : SIOCSIFADDR;
1192 return (fo_ioctl(fp, cmd, data, cred, NULL));
1193 } else
1194 return (ENOIOCTL);
1195 }
1196
1197 /* Save the original ifname */
1198 bcopy(oifname, lifname, LINUX_IFNAMSIZ);
1199 #ifdef DEBUG
1200 kprintf("%s(): ioctl %d on %.*s\n", __func__,
1201 (int)(cmd & 0xffff), LINUX_IFNAMSIZ, lifname);
1202 #endif
1203 /* Replace linux ifname with bsd ifname */
1204 ifp = ifname_linux_to_bsd(lifname, oifname);
1205 if (ifp == NULL) {
1206 error = EINVAL;
1207 goto clean_ifname;
1208 }
1209
1210 #ifdef DEBUG
1211 kprintf("%s(): %s translated to %s\n", __func__,
1212 lifname, oifname);
1213 #endif
1214
1215 error = fo_ioctl(fp, cmd, data, cred, NULL);
1216
1217 clean_ifname:
1218 bcopy(lifname, oifname, LINUX_IFNAMSIZ);
1219 return (error);
1220 }
1221
1222
1223 /*
1224 * generic linux -> BSD syscall direction mapper
1225 */
1226 u_long
1227 linux_gen_dirmap(u_long lstart, u_long lend, u_long bstart, u_long bend, u_long cmd, u_long ocmd)
1228 {
1229 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1230
1231 return ((cmd & ~IOC_DIRMASK) | dirbits[ocmd >> 30]);
1232 }
1233
1234
1235 static struct ioctl_map_range linux_ioctl_map_entries[] = {
1236 /* disk ioctl */
1237 MAPPED_IOCTL_IOR(LINUX_BLKGETSIZE, linux_ioctl_BLKGETSIZE32, uint32_t),
1238 /* termio ioctl */
1239 MAPPED_IOCTL_IOR(LINUX_TCGETS, linux_ioctl_TCGETS, struct linux_termios),
1240 MAPPED_IOCTL_IOW(LINUX_TCSETS, linux_ioctl_TCSETS, struct linux_termios),
1241 MAPPED_IOCTL_IOW(LINUX_TCSETSW, linux_ioctl_TCSETSW, struct linux_termios),
1242 MAPPED_IOCTL_IOW(LINUX_TCSETSF, linux_ioctl_TCSETSF, struct linux_termios),
1243 MAPPED_IOCTL_IOR(LINUX_TCGETA, linux_ioctl_TCGETA, struct linux_termio),
1244 MAPPED_IOCTL_IOW(LINUX_TCSETA, linux_ioctl_TCSETA, struct linux_termio),
1245 MAPPED_IOCTL_IOW(LINUX_TCSETAW, linux_ioctl_TCSETAW, struct linux_termio),
1246 MAPPED_IOCTL_IOW(LINUX_TCSETAF, linux_ioctl_TCSETAF, struct linux_termio),
1247 MAPPED_IOCTL_IO(LINUX_TCXONC, linux_ioctl_TCXONC),
1248 MAPPED_IOCTL_IO(LINUX_TCFLSH, linux_ioctl_TCFLSH),
1249 MAPPED_IOCTL_IO(LINUX_TIOCLINUX, linux_ioctl_TIOCLINUX),
1250 MAPPED_IOCTL_MAP(LINUX_TIOCEXCL, TIOCEXCL),
1251 MAPPED_IOCTL_MAP(LINUX_TIOCNXCL, TIOCNXCL),
1252 MAPPED_IOCTL_MAP(LINUX_TIOCGPGRP, TIOCGPGRP),
1253 MAPPED_IOCTL_MAP(LINUX_TIOCSPGRP, TIOCSPGRP),
1254 MAPPED_IOCTL_MAP(LINUX_TIOCGWINSZ, TIOCGWINSZ),
1255 MAPPED_IOCTL_MAP(LINUX_TIOCSWINSZ, TIOCSWINSZ),
1256 MAPPED_IOCTL_MAP(LINUX_TIOCMGET, TIOCMGET),
1257 MAPPED_IOCTL_MAP(LINUX_TIOCMBIS, TIOCMBIS),
1258 MAPPED_IOCTL_MAP(LINUX_TIOCMBIC, TIOCMBIC),
1259 MAPPED_IOCTL_MAP(LINUX_TIOCMSET, TIOCMSET),
1260 MAPPED_IOCTL_MAP(LINUX_FIONREAD, FIONREAD),
1261 MAPPED_IOCTL_MAP(LINUX_TIOCCONS, TIOCCONS),
1262 MAPPED_IOCTL_IOR(LINUX_TIOCGSERIAL, linux_ioctl_TIOCGSERIAL, struct linux_serial_struct),
1263 MAPPED_IOCTL_IOW(LINUX_TIOCSSERIAL, linux_ioctl_TIOCSSERIAL, struct linux_serial_struct),
1264 MAPPED_IOCTL_MAP(LINUX_FIONBIO, FIONBIO),
1265 MAPPED_IOCTL_MAP(LINUX_TIOCNOTTY, TIOCNOTTY),
1266 MAPPED_IOCTL_IO(LINUX_TIOCSETD, linux_ioctl_TIOCSETD),
1267 MAPPED_IOCTL_IOR(LINUX_TIOCGETD, linux_ioctl_TIOCGETD, int),
1268 MAPPED_IOCTL_MAP(LINUX_FIONCLEX, FIONCLEX),
1269 MAPPED_IOCTL_MAP(LINUX_FIOCLEX, FIOCLEX),
1270 MAPPED_IOCTL_MAP(LINUX_FIOASYNC, FIOASYNC),
1271 /* cdrom ioctl */
1272 MAPPED_IOCTL_MAP(LINUX_CDROMPAUSE, CDIOCPAUSE),
1273 MAPPED_IOCTL_MAP(LINUX_CDROMRESUME, CDIOCRESUME),
1274 MAPPED_IOCTL_MAP(LINUX_CDROMPLAYMSF, CDIOCPLAYMSF),
1275 MAPPED_IOCTL_MAP(LINUX_CDROMPLAYTRKIND, CDIOCPLAYTRACKS),
1276 MAPPED_IOCTL_IOR(LINUX_CDROMREADTOCHDR, linux_ioctl_CDROMREADTOCHDR, struct linux_cdrom_tochdr),
1277 MAPPED_IOCTL_IOWR(LINUX_CDROMREADTOCENTRY, linux_ioctl_CDROMREADTOCENTRY, struct linux_cdrom_tocentry),
1278 MAPPED_IOCTL_MAP(LINUX_CDROMSTOP, CDIOCSTOP),
1279 MAPPED_IOCTL_MAP(LINUX_CDROMSTART, CDIOCSTART),
1280 MAPPED_IOCTL_MAP(LINUX_CDROMEJECT, CDIOCEJECT),
1281 MAPPED_IOCTL_IOWR(LINUX_CDROMSUBCHNL, linux_ioctl_CDROMSUBCHNL, struct linux_cdrom_subchnl),
1282 MAPPED_IOCTL_MAP(LINUX_CDROMRESET, CDIOCRESET),
1283 /* sound ioctl */
1284 MAPPED_IOCTL_MAPRANGE(LINUX_SOUND_MIXER_WRITE_MIN, LINUX_SOUND_MIXER_WRITE_MAX,
1285 LINUX_SOUND_MIXER_WRITE_MIN, LINUX_SOUND_MIXER_WRITE_MAX,
1286 NULL, linux_gen_dirmap),
1287 MAPPED_IOCTL_IOR(LINUX_OSS_GETVERSION, linux_ioctl_OSS_GETVERSION, int),
1288 MAPPED_IOCTL_MAP(LINUX_SOUND_MIXER_READ_DEVMASK, SOUND_MIXER_READ_DEVMASK),
1289 MAPPED_IOCTL_MAPRANGE(LINUX_SNDCTL_DSP_MIN, LINUX_SNDCTL_DSP_MAX, LINUX_SNDCTL_DSP_MIN,
1290 LINUX_SNDCTL_DSP_MAX, NULL, linux_gen_dirmap),
1291 MAPPED_IOCTL_MAPRANGE(LINUX_SNDCTL_SEQ_MIN, LINUX_SNDCTL_SEQ_MAX, LINUX_SNDCTL_SEQ_MIN,
1292 LINUX_SNDCTL_SEQ_MAX, NULL, linux_gen_dirmap),
1293 /* console ioctl */
1294 MAPPED_IOCTL_MAP(LINUX_KIOCSOUND, KIOCSOUND),
1295 MAPPED_IOCTL_MAP(LINUX_KDMKTONE, KDMKTONE),
1296 MAPPED_IOCTL_MAP(LINUX_KDGETLED, KDGETLED),
1297 MAPPED_IOCTL_MAP(LINUX_KDSETLED, KDSETLED),
1298 MAPPED_IOCTL_MAP(LINUX_KDSETMODE, KDSETMODE),
1299 MAPPED_IOCTL_MAP(LINUX_KDGETMODE, KDGETMODE),
1300 MAPPED_IOCTL_MAP(LINUX_KDGKBMODE, KDGKBMODE),
1301 MAPPED_IOCTL_IOW(LINUX_KDSKBMODE, linux_ioctl_KDSKBMODE, int),
1302 MAPPED_IOCTL_MAP(LINUX_VT_OPENQRY, VT_OPENQRY),
1303 MAPPED_IOCTL_MAP(LINUX_VT_GETMODE, VT_GETMODE),
1304 MAPPED_IOCTL_IOW(LINUX_VT_SETMODE, linux_ioctl_VT_SETMODE, struct vt_mode),
1305 MAPPED_IOCTL_MAP(LINUX_VT_GETSTATE, VT_GETACTIVE),
1306 MAPPED_IOCTL_MAP(LINUX_VT_RELDISP, VT_RELDISP),
1307 MAPPED_IOCTL_MAP(LINUX_VT_ACTIVATE, VT_ACTIVATE),
1308 MAPPED_IOCTL_MAP(LINUX_VT_WAITACTIVE, VT_WAITACTIVE),
1309 /* socket ioctl */
1310 MAPPED_IOCTL_MAP(LINUX_FIOSETOWN, FIOSETOWN),
1311 MAPPED_IOCTL_MAP(LINUX_SIOCSPGRP, SIOCSPGRP),
1312 MAPPED_IOCTL_MAP(LINUX_FIOGETOWN, FIOGETOWN),
1313 MAPPED_IOCTL_MAP(LINUX_SIOCGPGRP, SIOCGPGRP),
1314 MAPPED_IOCTL_MAP(LINUX_SIOCATMARK, SIOCATMARK),
1315 MAPPED_IOCTL_IOWR(LINUX_SIOCGIFCONF, linux_ioctl_SIOCGIFCONF, struct ifconf),
1316 MAPPED_IOCTL_IOWR(LINUX_SIOCGIFFLAGS, linux_ioctl_SIOCGIFFLAGS, struct l_ifreq),
1317 MAPPED_IOCTL_MAPF(LINUX_SIOCGIFADDR, OSIOCGIFADDR, linux_ioctl_map_ifname),
1318 MAPPED_IOCTL_MAPF(LINUX_SIOCSIFADDR, SIOCSIFADDR, linux_ioctl_map_ifname),
1319 MAPPED_IOCTL_MAPF(LINUX_SIOCGIFDSTADDR, OSIOCGIFDSTADDR, linux_ioctl_map_ifname),
1320 MAPPED_IOCTL_MAPF(LINUX_SIOCGIFBRDADDR, OSIOCGIFBRDADDR, linux_ioctl_map_ifname),
1321 MAPPED_IOCTL_MAPF(LINUX_SIOCGIFNETMASK, OSIOCGIFNETMASK, linux_ioctl_map_ifname),
1322 /*MAPPED_IOCTL_IOx(LINUX_SIOCSIFNETMASK, x, x),*/
1323 MAPPED_IOCTL_MAPF(LINUX_SIOCGIFMTU, SIOCGIFMTU, linux_ioctl_map_ifname),
1324 MAPPED_IOCTL_MAPF(LINUX_SIOCSIFMTU, SIOCSIFMTU, linux_ioctl_map_ifname),
1325 MAPPED_IOCTL_IOWR(LINUX_SIOCGIFHWADDR, linux_ioctl_SIOGIFHWADDR, struct l_ifreq),
1326 MAPPED_IOCTL_IOR(LINUX_SIOCGIFINDEX, linux_ioctl_SIOCGIFINDEX, struct l_ifreq),
1327 MAPPED_IOCTL_IOR(LINUX_SIOCGIFMETRIC, linux_ioctl_SIOCGIFMETRIC, struct l_ifreq),
1328 MAPPED_IOCTL_MAP(LINUX_SIOCADDMULTI, SIOCADDMULTI),
1329 MAPPED_IOCTL_MAP(LINUX_SIOCDELMULTI, SIOCDELMULTI),
1330 /*
1331 * XXX This is slightly bogus, but these ioctls are currently
1332 * XXX only used by the aironet (if_an) network driver.
1333 */
1334 MAPPED_IOCTL_MAPF(LINUX_SIOCDEVPRIVATE, SIOCGPRIVATE_0, linux_ioctl_map_ifname),
1335 MAPPED_IOCTL_MAPF(LINUX_SIOCDEVPRIVATE+1, SIOCGPRIVATE_1, linux_ioctl_map_ifname),
1336 MAPPED_IOCTL_MAPF(0, 0, NULL)
1337 };
1338
1339 struct ioctl_map linux_ioctl_map = {
1340 0xffff, /* mask */
1341 "linux", /* subsys */
1342 LIST_HEAD_INITIALIZER(mapping)
1343 };
1344
1345 static struct ioctl_map_handler linux_ioctl_base_handler = {
1346 &linux_ioctl_map,
1347 "base",
1348 linux_ioctl_map_entries
1349 };
1350
1351 /*
1352 * main ioctl syscall function
1353 *
1354 * MPALMOSTSAFE
1355 */
1356 int
1357 sys_linux_ioctl(struct linux_ioctl_args *args)
1358 {
1359 int error;
1360
1361 #ifdef DEBUG
1362 if (ldebug(ioctl))
1363 kprintf(ARGS(ioctl, "%d, %04x, *"), args->fd, args->cmd);
1364 #endif
1365
1366 get_mplock();
1367 error = mapped_ioctl(args->fd, args->cmd, (caddr_t)args->arg,
1368 &linux_ioctl_map, &args->sysmsg);
1369 rel_mplock();
1370 return (error);
1371 }
1372
1373 SYSINIT (linux_ioctl_register, SI_BOOT2_KLD, SI_ORDER_MIDDLE,
1374 mapped_ioctl_register_handler, &linux_ioctl_base_handler);
1375 SYSUNINIT(linux_ioctl_register, SI_BOOT2_KLD, SI_ORDER_MIDDLE,
1376 mapped_ioctl_unregister_handler, &linux_ioctl_base_handler);
DragonFly BSD