1 /*-
2 * Copyright (c) 1994-1995 Søren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: src/sys/compat/linux/linux_ioctl.c,v 1.121.2.3 2006/01/11 15:40:00 delphij Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/sysproto.h>
35 #include <sys/cdio.h>
36 #include <sys/dvdio.h>
37 #include <sys/conf.h>
38 #include <sys/disk.h>
39 #include <sys/consio.h>
40 #include <sys/ctype.h>
41 #include <sys/fcntl.h>
42 #include <sys/file.h>
43 #include <sys/filedesc.h>
44 #include <sys/filio.h>
45 #include <sys/kbio.h>
46 #include <sys/linker_set.h>
47 #include <sys/malloc.h>
48 #include <sys/proc.h>
49 #include <sys/socket.h>
50 #include <sys/sockio.h>
51 #include <sys/soundcard.h>
52 #include <sys/stdint.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 "opt_compat.h"
60
61 #ifdef COMPAT_LINUX32
62 #include <machine/../linux32/linux.h>
63 #include <machine/../linux32/linux32_proto.h>
64 #else
65 #include <machine/../linux/linux.h>
66 #include <machine/../linux/linux_proto.h>
67 #endif
68
69 #include <compat/linux/linux_ioctl.h>
70 #include <compat/linux/linux_mib.h>
71 #include <compat/linux/linux_util.h>
72
73 static linux_ioctl_function_t linux_ioctl_cdrom;
74 static linux_ioctl_function_t linux_ioctl_vfat;
75 static linux_ioctl_function_t linux_ioctl_console;
76 static linux_ioctl_function_t linux_ioctl_hdio;
77 static linux_ioctl_function_t linux_ioctl_disk;
78 static linux_ioctl_function_t linux_ioctl_socket;
79 static linux_ioctl_function_t linux_ioctl_sound;
80 static linux_ioctl_function_t linux_ioctl_termio;
81 static linux_ioctl_function_t linux_ioctl_private;
82 static linux_ioctl_function_t linux_ioctl_drm;
83 static linux_ioctl_function_t linux_ioctl_special;
84
85 static struct linux_ioctl_handler cdrom_handler =
86 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
87 static struct linux_ioctl_handler vfat_handler =
88 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
89 static struct linux_ioctl_handler console_handler =
90 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
91 static struct linux_ioctl_handler hdio_handler =
92 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
93 static struct linux_ioctl_handler disk_handler =
94 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
95 static struct linux_ioctl_handler socket_handler =
96 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
97 static struct linux_ioctl_handler sound_handler =
98 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
99 static struct linux_ioctl_handler termio_handler =
100 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
101 static struct linux_ioctl_handler private_handler =
102 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
103 static struct linux_ioctl_handler drm_handler =
104 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
105
106 DATA_SET(linux_ioctl_handler_set, cdrom_handler);
107 DATA_SET(linux_ioctl_handler_set, vfat_handler);
108 DATA_SET(linux_ioctl_handler_set, console_handler);
109 DATA_SET(linux_ioctl_handler_set, hdio_handler);
110 DATA_SET(linux_ioctl_handler_set, disk_handler);
111 DATA_SET(linux_ioctl_handler_set, socket_handler);
112 DATA_SET(linux_ioctl_handler_set, sound_handler);
113 DATA_SET(linux_ioctl_handler_set, termio_handler);
114 DATA_SET(linux_ioctl_handler_set, private_handler);
115 DATA_SET(linux_ioctl_handler_set, drm_handler);
116
117 struct handler_element
118 {
119 TAILQ_ENTRY(handler_element) list;
120 int (*func)(struct thread *, struct linux_ioctl_args *);
121 int low, high, span;
122 };
123
124 static TAILQ_HEAD(, handler_element) handlers =
125 TAILQ_HEAD_INITIALIZER(handlers);
126
127 /*
128 * hdio related ioctls for VMWare support
129 */
130
131 struct linux_hd_geometry {
132 u_int8_t heads;
133 u_int8_t sectors;
134 u_int16_t cylinders;
135 u_int32_t start;
136 };
137
138 struct linux_hd_big_geometry {
139 u_int8_t heads;
140 u_int8_t sectors;
141 u_int32_t cylinders;
142 u_int32_t start;
143 };
144
145 static int
146 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
147 {
148 struct file *fp;
149 int error;
150 u_int sectorsize, fwcylinders, fwheads, fwsectors;
151 off_t mediasize, bytespercyl;
152
153 if ((error = fget(td, args->fd, &fp)) != 0)
154 return (error);
155 switch (args->cmd & 0xffff) {
156 case LINUX_HDIO_GET_GEO:
157 case LINUX_HDIO_GET_GEO_BIG:
158 error = fo_ioctl(fp, DIOCGMEDIASIZE,
159 (caddr_t)&mediasize, td->td_ucred, td);
160 if (!error)
161 error = fo_ioctl(fp, DIOCGSECTORSIZE,
162 (caddr_t)§orsize, td->td_ucred, td);
163 if (!error)
164 error = fo_ioctl(fp, DIOCGFWHEADS,
165 (caddr_t)&fwheads, td->td_ucred, td);
166 if (!error)
167 error = fo_ioctl(fp, DIOCGFWSECTORS,
168 (caddr_t)&fwsectors, td->td_ucred, td);
169 /*
170 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
171 * so pretend that GEOM always says 0. This is NOT VALID
172 * for slices or partitions, only the per-disk raw devices.
173 */
174
175 fdrop(fp, td);
176 if (error)
177 return (error);
178 /*
179 * 1. Calculate the number of bytes in a cylinder,
180 * given the firmware's notion of heads and sectors
181 * per cylinder.
182 * 2. Calculate the number of cylinders, given the total
183 * size of the media.
184 * All internal calculations should have 64-bit precision.
185 */
186 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
187 fwcylinders = mediasize / bytespercyl;
188 #if defined(DEBUG)
189 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, "
190 "bpc %jd",
191 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors,
192 (intmax_t)bytespercyl);
193 #endif
194 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
195 struct linux_hd_geometry hdg;
196
197 hdg.cylinders = fwcylinders;
198 hdg.heads = fwheads;
199 hdg.sectors = fwsectors;
200 hdg.start = 0;
201 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
202 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
203 struct linux_hd_big_geometry hdbg;
204
205 hdbg.cylinders = fwcylinders;
206 hdbg.heads = fwheads;
207 hdbg.sectors = fwsectors;
208 hdbg.start = 0;
209 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
210 }
211 return (error);
212 break;
213 default:
214 /* XXX */
215 linux_msg(td,
216 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
217 args->fd, (int)(args->cmd & 0xffff),
218 (int)(args->cmd & 0xff00) >> 8,
219 (int)(args->cmd & 0xff));
220 break;
221 }
222 fdrop(fp, td);
223 return (ENOIOCTL);
224 }
225
226 static int
227 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
228 {
229 struct file *fp;
230 int error;
231 u_int sectorsize;
232 off_t mediasize;
233
234 if ((error = fget(td, args->fd, &fp)) != 0)
235 return (error);
236 switch (args->cmd & 0xffff) {
237 case LINUX_BLKGETSIZE:
238 error = fo_ioctl(fp, DIOCGSECTORSIZE,
239 (caddr_t)§orsize, td->td_ucred, td);
240 if (!error)
241 error = fo_ioctl(fp, DIOCGMEDIASIZE,
242 (caddr_t)&mediasize, td->td_ucred, td);
243 fdrop(fp, td);
244 if (error)
245 return (error);
246 sectorsize = mediasize / sectorsize;
247 /*
248 * XXX: How do we know we return the right size of integer ?
249 */
250 return (copyout(§orsize, (void *)args->arg,
251 sizeof(sectorsize)));
252 break;
253 }
254 fdrop(fp, td);
255 return (ENOIOCTL);
256 }
257
258 /*
259 * termio related ioctls
260 */
261
262 struct linux_termio {
263 unsigned short c_iflag;
264 unsigned short c_oflag;
265 unsigned short c_cflag;
266 unsigned short c_lflag;
267 unsigned char c_line;
268 unsigned char c_cc[LINUX_NCC];
269 };
270
271 struct linux_termios {
272 unsigned int c_iflag;
273 unsigned int c_oflag;
274 unsigned int c_cflag;
275 unsigned int c_lflag;
276 #ifdef __alpha__
277 unsigned char c_cc[LINUX_NCCS];
278 unsigned char c_line;
279 unsigned int c_ispeed;
280 unsigned int c_ospeed;
281 #else
282 unsigned char c_line;
283 unsigned char c_cc[LINUX_NCCS];
284 #endif
285 };
286
287 struct linux_winsize {
288 unsigned short ws_row, ws_col;
289 unsigned short ws_xpixel, ws_ypixel;
290 };
291
292 static struct speedtab sptab[] = {
293 { B0, LINUX_B0 }, { B50, LINUX_B50 },
294 { B75, LINUX_B75 }, { B110, LINUX_B110 },
295 { B134, LINUX_B134 }, { B150, LINUX_B150 },
296 { B200, LINUX_B200 }, { B300, LINUX_B300 },
297 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
298 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
299 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
300 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
301 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
302 {-1, -1 }
303 };
304
305 struct linux_serial_struct {
306 int type;
307 int line;
308 int port;
309 int irq;
310 int flags;
311 int xmit_fifo_size;
312 int custom_divisor;
313 int baud_base;
314 unsigned short close_delay;
315 char reserved_char[2];
316 int hub6;
317 unsigned short closing_wait;
318 unsigned short closing_wait2;
319 int reserved[4];
320 };
321
322 static int
323 linux_to_bsd_speed(int code, struct speedtab *table)
324 {
325 for ( ; table->sp_code != -1; table++)
326 if (table->sp_code == code)
327 return (table->sp_speed);
328 return -1;
329 }
330
331 static int
332 bsd_to_linux_speed(int speed, struct speedtab *table)
333 {
334 for ( ; table->sp_speed != -1; table++)
335 if (table->sp_speed == speed)
336 return (table->sp_code);
337 return -1;
338 }
339
340 static void
341 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
342 {
343 int i;
344
345 #ifdef DEBUG
346 if (ldebug(ioctl)) {
347 printf("LINUX: BSD termios structure (input):\n");
348 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
349 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
350 bios->c_ispeed, bios->c_ospeed);
351 printf("c_cc ");
352 for (i=0; i<NCCS; i++)
353 printf("%02x ", bios->c_cc[i]);
354 printf("\n");
355 }
356 #endif
357
358 lios->c_iflag = 0;
359 if (bios->c_iflag & IGNBRK)
360 lios->c_iflag |= LINUX_IGNBRK;
361 if (bios->c_iflag & BRKINT)
362 lios->c_iflag |= LINUX_BRKINT;
363 if (bios->c_iflag & IGNPAR)
364 lios->c_iflag |= LINUX_IGNPAR;
365 if (bios->c_iflag & PARMRK)
366 lios->c_iflag |= LINUX_PARMRK;
367 if (bios->c_iflag & INPCK)
368 lios->c_iflag |= LINUX_INPCK;
369 if (bios->c_iflag & ISTRIP)
370 lios->c_iflag |= LINUX_ISTRIP;
371 if (bios->c_iflag & INLCR)
372 lios->c_iflag |= LINUX_INLCR;
373 if (bios->c_iflag & IGNCR)
374 lios->c_iflag |= LINUX_IGNCR;
375 if (bios->c_iflag & ICRNL)
376 lios->c_iflag |= LINUX_ICRNL;
377 if (bios->c_iflag & IXON)
378 lios->c_iflag |= LINUX_IXON;
379 if (bios->c_iflag & IXANY)
380 lios->c_iflag |= LINUX_IXANY;
381 if (bios->c_iflag & IXOFF)
382 lios->c_iflag |= LINUX_IXOFF;
383 if (bios->c_iflag & IMAXBEL)
384 lios->c_iflag |= LINUX_IMAXBEL;
385
386 lios->c_oflag = 0;
387 if (bios->c_oflag & OPOST)
388 lios->c_oflag |= LINUX_OPOST;
389 if (bios->c_oflag & ONLCR)
390 lios->c_oflag |= LINUX_ONLCR;
391 if (bios->c_oflag & OXTABS)
392 lios->c_oflag |= LINUX_XTABS;
393
394 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
395 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
396 if (bios->c_cflag & CSTOPB)
397 lios->c_cflag |= LINUX_CSTOPB;
398 if (bios->c_cflag & CREAD)
399 lios->c_cflag |= LINUX_CREAD;
400 if (bios->c_cflag & PARENB)
401 lios->c_cflag |= LINUX_PARENB;
402 if (bios->c_cflag & PARODD)
403 lios->c_cflag |= LINUX_PARODD;
404 if (bios->c_cflag & HUPCL)
405 lios->c_cflag |= LINUX_HUPCL;
406 if (bios->c_cflag & CLOCAL)
407 lios->c_cflag |= LINUX_CLOCAL;
408 if (bios->c_cflag & CRTSCTS)
409 lios->c_cflag |= LINUX_CRTSCTS;
410
411 lios->c_lflag = 0;
412 if (bios->c_lflag & ISIG)
413 lios->c_lflag |= LINUX_ISIG;
414 if (bios->c_lflag & ICANON)
415 lios->c_lflag |= LINUX_ICANON;
416 if (bios->c_lflag & ECHO)
417 lios->c_lflag |= LINUX_ECHO;
418 if (bios->c_lflag & ECHOE)
419 lios->c_lflag |= LINUX_ECHOE;
420 if (bios->c_lflag & ECHOK)
421 lios->c_lflag |= LINUX_ECHOK;
422 if (bios->c_lflag & ECHONL)
423 lios->c_lflag |= LINUX_ECHONL;
424 if (bios->c_lflag & NOFLSH)
425 lios->c_lflag |= LINUX_NOFLSH;
426 if (bios->c_lflag & TOSTOP)
427 lios->c_lflag |= LINUX_TOSTOP;
428 if (bios->c_lflag & ECHOCTL)
429 lios->c_lflag |= LINUX_ECHOCTL;
430 if (bios->c_lflag & ECHOPRT)
431 lios->c_lflag |= LINUX_ECHOPRT;
432 if (bios->c_lflag & ECHOKE)
433 lios->c_lflag |= LINUX_ECHOKE;
434 if (bios->c_lflag & FLUSHO)
435 lios->c_lflag |= LINUX_FLUSHO;
436 if (bios->c_lflag & PENDIN)
437 lios->c_lflag |= LINUX_PENDIN;
438 if (bios->c_lflag & IEXTEN)
439 lios->c_lflag |= LINUX_IEXTEN;
440
441 for (i=0; i<LINUX_NCCS; i++)
442 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
443 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
444 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
445 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
446 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
447 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
448 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
449 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
450 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
451 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
452 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
453 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
454 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
455 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
456 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
457 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
458 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
459
460 for (i=0; i<LINUX_NCCS; i++) {
461 if (i != LINUX_VMIN && i != LINUX_VTIME &&
462 lios->c_cc[i] == _POSIX_VDISABLE)
463 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
464 }
465 lios->c_line = 0;
466
467 #ifdef DEBUG
468 if (ldebug(ioctl)) {
469 printf("LINUX: LINUX termios structure (output):\n");
470 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
471 lios->c_iflag, lios->c_oflag, lios->c_cflag,
472 lios->c_lflag, (int)lios->c_line);
473 printf("c_cc ");
474 for (i=0; i<LINUX_NCCS; i++)
475 printf("%02x ", lios->c_cc[i]);
476 printf("\n");
477 }
478 #endif
479 }
480
481 static void
482 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
483 {
484 int i;
485
486 #ifdef DEBUG
487 if (ldebug(ioctl)) {
488 printf("LINUX: LINUX termios structure (input):\n");
489 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
490 lios->c_iflag, lios->c_oflag, lios->c_cflag,
491 lios->c_lflag, (int)lios->c_line);
492 printf("c_cc ");
493 for (i=0; i<LINUX_NCCS; i++)
494 printf("%02x ", lios->c_cc[i]);
495 printf("\n");
496 }
497 #endif
498
499 bios->c_iflag = 0;
500 if (lios->c_iflag & LINUX_IGNBRK)
501 bios->c_iflag |= IGNBRK;
502 if (lios->c_iflag & LINUX_BRKINT)
503 bios->c_iflag |= BRKINT;
504 if (lios->c_iflag & LINUX_IGNPAR)
505 bios->c_iflag |= IGNPAR;
506 if (lios->c_iflag & LINUX_PARMRK)
507 bios->c_iflag |= PARMRK;
508 if (lios->c_iflag & LINUX_INPCK)
509 bios->c_iflag |= INPCK;
510 if (lios->c_iflag & LINUX_ISTRIP)
511 bios->c_iflag |= ISTRIP;
512 if (lios->c_iflag & LINUX_INLCR)
513 bios->c_iflag |= INLCR;
514 if (lios->c_iflag & LINUX_IGNCR)
515 bios->c_iflag |= IGNCR;
516 if (lios->c_iflag & LINUX_ICRNL)
517 bios->c_iflag |= ICRNL;
518 if (lios->c_iflag & LINUX_IXON)
519 bios->c_iflag |= IXON;
520 if (lios->c_iflag & LINUX_IXANY)
521 bios->c_iflag |= IXANY;
522 if (lios->c_iflag & LINUX_IXOFF)
523 bios->c_iflag |= IXOFF;
524 if (lios->c_iflag & LINUX_IMAXBEL)
525 bios->c_iflag |= IMAXBEL;
526
527 bios->c_oflag = 0;
528 if (lios->c_oflag & LINUX_OPOST)
529 bios->c_oflag |= OPOST;
530 if (lios->c_oflag & LINUX_ONLCR)
531 bios->c_oflag |= ONLCR;
532 if (lios->c_oflag & LINUX_XTABS)
533 bios->c_oflag |= OXTABS;
534
535 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
536 if (lios->c_cflag & LINUX_CSTOPB)
537 bios->c_cflag |= CSTOPB;
538 if (lios->c_cflag & LINUX_CREAD)
539 bios->c_cflag |= CREAD;
540 if (lios->c_cflag & LINUX_PARENB)
541 bios->c_cflag |= PARENB;
542 if (lios->c_cflag & LINUX_PARODD)
543 bios->c_cflag |= PARODD;
544 if (lios->c_cflag & LINUX_HUPCL)
545 bios->c_cflag |= HUPCL;
546 if (lios->c_cflag & LINUX_CLOCAL)
547 bios->c_cflag |= CLOCAL;
548 if (lios->c_cflag & LINUX_CRTSCTS)
549 bios->c_cflag |= CRTSCTS;
550
551 bios->c_lflag = 0;
552 if (lios->c_lflag & LINUX_ISIG)
553 bios->c_lflag |= ISIG;
554 if (lios->c_lflag & LINUX_ICANON)
555 bios->c_lflag |= ICANON;
556 if (lios->c_lflag & LINUX_ECHO)
557 bios->c_lflag |= ECHO;
558 if (lios->c_lflag & LINUX_ECHOE)
559 bios->c_lflag |= ECHOE;
560 if (lios->c_lflag & LINUX_ECHOK)
561 bios->c_lflag |= ECHOK;
562 if (lios->c_lflag & LINUX_ECHONL)
563 bios->c_lflag |= ECHONL;
564 if (lios->c_lflag & LINUX_NOFLSH)
565 bios->c_lflag |= NOFLSH;
566 if (lios->c_lflag & LINUX_TOSTOP)
567 bios->c_lflag |= TOSTOP;
568 if (lios->c_lflag & LINUX_ECHOCTL)
569 bios->c_lflag |= ECHOCTL;
570 if (lios->c_lflag & LINUX_ECHOPRT)
571 bios->c_lflag |= ECHOPRT;
572 if (lios->c_lflag & LINUX_ECHOKE)
573 bios->c_lflag |= ECHOKE;
574 if (lios->c_lflag & LINUX_FLUSHO)
575 bios->c_lflag |= FLUSHO;
576 if (lios->c_lflag & LINUX_PENDIN)
577 bios->c_lflag |= PENDIN;
578 if (lios->c_lflag & LINUX_IEXTEN)
579 bios->c_lflag |= IEXTEN;
580
581 for (i=0; i<NCCS; i++)
582 bios->c_cc[i] = _POSIX_VDISABLE;
583 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
584 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
585 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
586 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
587 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
588 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
589 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
590 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
591 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
592 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
593 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
594 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
595 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
596 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
597 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
598 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
599
600 for (i=0; i<NCCS; i++) {
601 if (i != VMIN && i != VTIME &&
602 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
603 bios->c_cc[i] = _POSIX_VDISABLE;
604 }
605
606 bios->c_ispeed = bios->c_ospeed =
607 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
608
609 #ifdef DEBUG
610 if (ldebug(ioctl)) {
611 printf("LINUX: BSD termios structure (output):\n");
612 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
613 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
614 bios->c_ispeed, bios->c_ospeed);
615 printf("c_cc ");
616 for (i=0; i<NCCS; i++)
617 printf("%02x ", bios->c_cc[i]);
618 printf("\n");
619 }
620 #endif
621 }
622
623 static void
624 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
625 {
626 struct linux_termios lios;
627
628 bsd_to_linux_termios(bios, &lios);
629 lio->c_iflag = lios.c_iflag;
630 lio->c_oflag = lios.c_oflag;
631 lio->c_cflag = lios.c_cflag;
632 lio->c_lflag = lios.c_lflag;
633 lio->c_line = lios.c_line;
634 #ifdef __alpha__
635 lio->c_cc[LINUX__VINTR] = lios.c_cc[LINUX_VINTR];
636 lio->c_cc[LINUX__VQUIT] = lios.c_cc[LINUX_VQUIT];
637 lio->c_cc[LINUX__VERASE] = lios.c_cc[LINUX_VERASE];
638 lio->c_cc[LINUX__VKILL] = lios.c_cc[LINUX_VKILL];
639 lio->c_cc[LINUX__VEOF] =
640 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN];
641 lio->c_cc[LINUX__VEOL] =
642 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME];
643 lio->c_cc[LINUX__VEOL2] = lios.c_cc[LINUX_VEOL2];
644 lio->c_cc[LINUX__VSWTC] = lios.c_cc[LINUX_VSWTC];
645 #else
646 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
647 #endif
648 }
649
650 static void
651 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
652 {
653 struct linux_termios lios;
654 int i;
655
656 lios.c_iflag = lio->c_iflag;
657 lios.c_oflag = lio->c_oflag;
658 lios.c_cflag = lio->c_cflag;
659 lios.c_lflag = lio->c_lflag;
660 #ifdef __alpha__
661 for (i=0; i<LINUX_NCCS; i++)
662 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
663 lios.c_cc[LINUX_VINTR] = lio->c_cc[LINUX__VINTR];
664 lios.c_cc[LINUX_VQUIT] = lio->c_cc[LINUX__VQUIT];
665 lios.c_cc[LINUX_VERASE] = lio->c_cc[LINUX__VERASE];
666 lios.c_cc[LINUX_VKILL] = lio->c_cc[LINUX__VKILL];
667 lios.c_cc[LINUX_VEOL2] = lio->c_cc[LINUX__VEOL2];
668 lios.c_cc[LINUX_VSWTC] = lio->c_cc[LINUX__VSWTC];
669 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN] =
670 lio->c_cc[LINUX__VEOF];
671 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME] =
672 lio->c_cc[LINUX__VEOL];
673 #else
674 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
675 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
676 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
677 #endif
678 linux_to_bsd_termios(&lios, bios);
679 }
680
681 static int
682 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
683 {
684 struct termios bios;
685 struct linux_termios lios;
686 struct linux_termio lio;
687 struct file *fp;
688 int error;
689
690 if ((error = fget(td, args->fd, &fp)) != 0)
691 return (error);
692
693 switch (args->cmd & 0xffff) {
694
695 case LINUX_TCGETS:
696 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
697 td);
698 if (error)
699 break;
700 bsd_to_linux_termios(&bios, &lios);
701 error = copyout(&lios, (void *)args->arg, sizeof(lios));
702 break;
703
704 case LINUX_TCSETS:
705 error = copyin((void *)args->arg, &lios, sizeof(lios));
706 if (error)
707 break;
708 linux_to_bsd_termios(&lios, &bios);
709 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
710 td));
711 break;
712
713 case LINUX_TCSETSW:
714 error = copyin((void *)args->arg, &lios, sizeof(lios));
715 if (error)
716 break;
717 linux_to_bsd_termios(&lios, &bios);
718 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
719 td));
720 break;
721
722 case LINUX_TCSETSF:
723 error = copyin((void *)args->arg, &lios, sizeof(lios));
724 if (error)
725 break;
726 linux_to_bsd_termios(&lios, &bios);
727 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
728 td));
729 break;
730
731 case LINUX_TCGETA:
732 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
733 td);
734 if (error)
735 break;
736 bsd_to_linux_termio(&bios, &lio);
737 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
738 break;
739
740 case LINUX_TCSETA:
741 error = copyin((void *)args->arg, &lio, sizeof(lio));
742 if (error)
743 break;
744 linux_to_bsd_termio(&lio, &bios);
745 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
746 td));
747 break;
748
749 case LINUX_TCSETAW:
750 error = copyin((void *)args->arg, &lio, sizeof(lio));
751 if (error)
752 break;
753 linux_to_bsd_termio(&lio, &bios);
754 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
755 td));
756 break;
757
758 case LINUX_TCSETAF:
759 error = copyin((void *)args->arg, &lio, sizeof(lio));
760 if (error)
761 break;
762 linux_to_bsd_termio(&lio, &bios);
763 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
764 td));
765 break;
766
767 /* LINUX_TCSBRK */
768
769 case LINUX_TCXONC: {
770 switch (args->arg) {
771 case LINUX_TCOOFF:
772 args->cmd = TIOCSTOP;
773 break;
774 case LINUX_TCOON:
775 args->cmd = TIOCSTART;
776 break;
777 case LINUX_TCIOFF:
778 case LINUX_TCION: {
779 int c;
780 struct write_args wr;
781 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
782 td->td_ucred, td);
783 if (error)
784 break;
785 fdrop(fp, td);
786 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
787 c = bios.c_cc[c];
788 if (c != _POSIX_VDISABLE) {
789 wr.fd = args->fd;
790 wr.buf = &c;
791 wr.nbyte = sizeof(c);
792 return (write(td, &wr));
793 } else
794 return (0);
795 }
796 default:
797 fdrop(fp, td);
798 return (EINVAL);
799 }
800 args->arg = 0;
801 error = (ioctl(td, (struct ioctl_args *)args));
802 break;
803 }
804
805 case LINUX_TCFLSH: {
806 int val;
807 switch (args->arg) {
808 case LINUX_TCIFLUSH:
809 val = FREAD;
810 break;
811 case LINUX_TCOFLUSH:
812 val = FWRITE;
813 break;
814 case LINUX_TCIOFLUSH:
815 val = FREAD | FWRITE;
816 break;
817 default:
818 fdrop(fp, td);
819 return (EINVAL);
820 }
821 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
822 break;
823 }
824
825 case LINUX_TIOCEXCL:
826 args->cmd = TIOCEXCL;
827 error = (ioctl(td, (struct ioctl_args *)args));
828 break;
829
830 case LINUX_TIOCNXCL:
831 args->cmd = TIOCNXCL;
832 error = (ioctl(td, (struct ioctl_args *)args));
833 break;
834
835 case LINUX_TIOCSCTTY:
836 args->cmd = TIOCSCTTY;
837 error = (ioctl(td, (struct ioctl_args *)args));
838 break;
839
840 case LINUX_TIOCGPGRP:
841 args->cmd = TIOCGPGRP;
842 error = (ioctl(td, (struct ioctl_args *)args));
843 break;
844
845 case LINUX_TIOCSPGRP:
846 args->cmd = TIOCSPGRP;
847 error = (ioctl(td, (struct ioctl_args *)args));
848 break;
849
850 /* LINUX_TIOCOUTQ */
851 /* LINUX_TIOCSTI */
852
853 case LINUX_TIOCGWINSZ:
854 args->cmd = TIOCGWINSZ;
855 error = (ioctl(td, (struct ioctl_args *)args));
856 break;
857
858 case LINUX_TIOCSWINSZ:
859 args->cmd = TIOCSWINSZ;
860 error = (ioctl(td, (struct ioctl_args *)args));
861 break;
862
863 case LINUX_TIOCMGET:
864 args->cmd = TIOCMGET;
865 error = (ioctl(td, (struct ioctl_args *)args));
866 break;
867
868 case LINUX_TIOCMBIS:
869 args->cmd = TIOCMBIS;
870 error = (ioctl(td, (struct ioctl_args *)args));
871 break;
872
873 case LINUX_TIOCMBIC:
874 args->cmd = TIOCMBIC;
875 error = (ioctl(td, (struct ioctl_args *)args));
876 break;
877
878 case LINUX_TIOCMSET:
879 args->cmd = TIOCMSET;
880 error = (ioctl(td, (struct ioctl_args *)args));
881 break;
882
883 /* TIOCGSOFTCAR */
884 /* TIOCSSOFTCAR */
885
886 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
887 args->cmd = FIONREAD;
888 error = (ioctl(td, (struct ioctl_args *)args));
889 break;
890
891 /* LINUX_TIOCLINUX */
892
893 case LINUX_TIOCCONS:
894 args->cmd = TIOCCONS;
895 error = (ioctl(td, (struct ioctl_args *)args));
896 break;
897
898 case LINUX_TIOCGSERIAL: {
899 struct linux_serial_struct lss;
900 lss.type = LINUX_PORT_16550A;
901 lss.flags = 0;
902 lss.close_delay = 0;
903 error = copyout(&lss, (void *)args->arg, sizeof(lss));
904 break;
905 }
906
907 case LINUX_TIOCSSERIAL: {
908 struct linux_serial_struct lss;
909 error = copyin((void *)args->arg, &lss, sizeof(lss));
910 if (error)
911 break;
912 /* XXX - It really helps to have an implementation that
913 * does nothing. NOT!
914 */
915 error = 0;
916 break;
917 }
918
919 /* LINUX_TIOCPKT */
920
921 case LINUX_FIONBIO:
922 args->cmd = FIONBIO;
923 error = (ioctl(td, (struct ioctl_args *)args));
924 break;
925
926 case LINUX_TIOCNOTTY:
927 args->cmd = TIOCNOTTY;
928 error = (ioctl(td, (struct ioctl_args *)args));
929 break;
930
931 case LINUX_TIOCSETD: {
932 int line;
933 switch (args->arg) {
934 case LINUX_N_TTY:
935 line = TTYDISC;
936 break;
937 case LINUX_N_SLIP:
938 line = SLIPDISC;
939 break;
940 case LINUX_N_PPP:
941 line = PPPDISC;
942 break;
943 default:
944 fdrop(fp, td);
945 return (EINVAL);
946 }
947 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
948 td));
949 break;
950 }
951
952 case LINUX_TIOCGETD: {
953 int linux_line;
954 int bsd_line = TTYDISC;
955 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
956 td->td_ucred, td);
957 if (error)
958 return (error);
959 switch (bsd_line) {
960 case TTYDISC:
961 linux_line = LINUX_N_TTY;
962 break;
963 case SLIPDISC:
964 linux_line = LINUX_N_SLIP;
965 break;
966 case PPPDISC:
967 linux_line = LINUX_N_PPP;
968 break;
969 default:
970 fdrop(fp, td);
971 return (EINVAL);
972 }
973 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
974 break;
975 }
976
977 /* LINUX_TCSBRKP */
978 /* LINUX_TIOCTTYGSTRUCT */
979
980 case LINUX_FIONCLEX:
981 args->cmd = FIONCLEX;
982 error = (ioctl(td, (struct ioctl_args *)args));
983 break;
984
985 case LINUX_FIOCLEX:
986 args->cmd = FIOCLEX;
987 error = (ioctl(td, (struct ioctl_args *)args));
988 break;
989
990 case LINUX_FIOASYNC:
991 args->cmd = FIOASYNC;
992 error = (ioctl(td, (struct ioctl_args *)args));
993 break;
994
995 /* LINUX_TIOCSERCONFIG */
996 /* LINUX_TIOCSERGWILD */
997 /* LINUX_TIOCSERSWILD */
998 /* LINUX_TIOCGLCKTRMIOS */
999 /* LINUX_TIOCSLCKTRMIOS */
1000
1001 case LINUX_TIOCSBRK:
1002 args->cmd = TIOCSBRK;
1003 error = (ioctl(td, (struct ioctl_args *)args));
1004 break;
1005
1006 case LINUX_TIOCCBRK:
1007 args->cmd = TIOCCBRK;
1008 error = (ioctl(td, (struct ioctl_args *)args));
1009 break;
1010
1011 default:
1012 error = ENOIOCTL;
1013 break;
1014 }
1015
1016 fdrop(fp, td);
1017 return (error);
1018 }
1019
1020 /*
1021 * CDROM related ioctls
1022 */
1023
1024 struct linux_cdrom_msf
1025 {
1026 u_char cdmsf_min0;
1027 u_char cdmsf_sec0;
1028 u_char cdmsf_frame0;
1029 u_char cdmsf_min1;
1030 u_char cdmsf_sec1;
1031 u_char cdmsf_frame1;
1032 };
1033
1034 struct linux_cdrom_tochdr
1035 {
1036 u_char cdth_trk0;
1037 u_char cdth_trk1;
1038 };
1039
1040 union linux_cdrom_addr
1041 {
1042 struct {
1043 u_char minute;
1044 u_char second;
1045 u_char frame;
1046 } msf;
1047 int lba;
1048 };
1049
1050 struct linux_cdrom_tocentry
1051 {
1052 u_char cdte_track;
1053 u_char cdte_adr:4;
1054 u_char cdte_ctrl:4;
1055 u_char cdte_format;
1056 union linux_cdrom_addr cdte_addr;
1057 u_char cdte_datamode;
1058 };
1059
1060 struct linux_cdrom_subchnl
1061 {
1062 u_char cdsc_format;
1063 u_char cdsc_audiostatus;
1064 u_char cdsc_adr:4;
1065 u_char cdsc_ctrl:4;
1066 u_char cdsc_trk;
1067 u_char cdsc_ind;
1068 union linux_cdrom_addr cdsc_absaddr;
1069 union linux_cdrom_addr cdsc_reladdr;
1070 };
1071
1072 struct l_cdrom_read_audio {
1073 union linux_cdrom_addr addr;
1074 u_char addr_format;
1075 l_int nframes;
1076 u_char *buf;
1077 };
1078
1079 struct l_dvd_layer {
1080 u_char book_version:4;
1081 u_char book_type:4;
1082 u_char min_rate:4;
1083 u_char disc_size:4;
1084 u_char layer_type:4;
1085 u_char track_path:1;
1086 u_char nlayers:2;
1087 u_char track_density:4;
1088 u_char linear_density:4;
1089 u_char bca:1;
1090 u_int32_t start_sector;
1091 u_int32_t end_sector;
1092 u_int32_t end_sector_l0;
1093 };
1094
1095 struct l_dvd_physical {
1096 u_char type;
1097 u_char layer_num;
1098 struct l_dvd_layer layer[4];
1099 };
1100
1101 struct l_dvd_copyright {
1102 u_char type;
1103 u_char layer_num;
1104 u_char cpst;
1105 u_char rmi;
1106 };
1107
1108 struct l_dvd_disckey {
1109 u_char type;
1110 l_uint agid:2;
1111 u_char value[2048];
1112 };
1113
1114 struct l_dvd_bca {
1115 u_char type;
1116 l_int len;
1117 u_char value[188];
1118 };
1119
1120 struct l_dvd_manufact {
1121 u_char type;
1122 u_char layer_num;
1123 l_int len;
1124 u_char value[2048];
1125 };
1126
1127 typedef union {
1128 u_char type;
1129 struct l_dvd_physical physical;
1130 struct l_dvd_copyright copyright;
1131 struct l_dvd_disckey disckey;
1132 struct l_dvd_bca bca;
1133 struct l_dvd_manufact manufact;
1134 } l_dvd_struct;
1135
1136 typedef u_char l_dvd_key[5];
1137 typedef u_char l_dvd_challenge[10];
1138
1139 struct l_dvd_lu_send_agid {
1140 u_char type;
1141 l_uint agid:2;
1142 };
1143
1144 struct l_dvd_host_send_challenge {
1145 u_char type;
1146 l_uint agid:2;
1147 l_dvd_challenge chal;
1148 };
1149
1150 struct l_dvd_send_key {
1151 u_char type;
1152 l_uint agid:2;
1153 l_dvd_key key;
1154 };
1155
1156 struct l_dvd_lu_send_challenge {
1157 u_char type;
1158 l_uint agid:2;
1159 l_dvd_challenge chal;
1160 };
1161
1162 struct l_dvd_lu_send_title_key {
1163 u_char type;
1164 l_uint agid:2;
1165 l_dvd_key title_key;
1166 l_int lba;
1167 l_uint cpm:1;
1168 l_uint cp_sec:1;
1169 l_uint cgms:2;
1170 };
1171
1172 struct l_dvd_lu_send_asf {
1173 u_char type;
1174 l_uint agid:2;
1175 l_uint asf:1;
1176 };
1177
1178 struct l_dvd_host_send_rpcstate {
1179 u_char type;
1180 u_char pdrc;
1181 };
1182
1183 struct l_dvd_lu_send_rpcstate {
1184 u_char type:2;
1185 u_char vra:3;
1186 u_char ucca:3;
1187 u_char region_mask;
1188 u_char rpc_scheme;
1189 };
1190
1191 typedef union {
1192 u_char type;
1193 struct l_dvd_lu_send_agid lsa;
1194 struct l_dvd_host_send_challenge hsc;
1195 struct l_dvd_send_key lsk;
1196 struct l_dvd_lu_send_challenge lsc;
1197 struct l_dvd_send_key hsk;
1198 struct l_dvd_lu_send_title_key lstk;
1199 struct l_dvd_lu_send_asf lsasf;
1200 struct l_dvd_host_send_rpcstate hrpcs;
1201 struct l_dvd_lu_send_rpcstate lrpcs;
1202 } l_dvd_authinfo;
1203
1204 static void
1205 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1206 {
1207 if (af == CD_LBA_FORMAT)
1208 lp->lba = bp->lba;
1209 else {
1210 lp->msf.minute = bp->msf.minute;
1211 lp->msf.second = bp->msf.second;
1212 lp->msf.frame = bp->msf.frame;
1213 }
1214 }
1215
1216 static void
1217 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1218 {
1219 if (format == LINUX_CDROM_MSF) {
1220 addr->msf.frame = lba % 75;
1221 lba /= 75;
1222 lba += 2;
1223 addr->msf.second = lba % 60;
1224 addr->msf.minute = lba / 60;
1225 } else
1226 addr->lba = lba;
1227 }
1228
1229 static int
1230 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1231 {
1232 bp->format = lp->type;
1233 switch (bp->format) {
1234 case DVD_STRUCT_PHYSICAL:
1235 if (bp->layer_num >= 4)
1236 return (EINVAL);
1237 bp->layer_num = lp->physical.layer_num;
1238 break;
1239 case DVD_STRUCT_COPYRIGHT:
1240 bp->layer_num = lp->copyright.layer_num;
1241 break;
1242 case DVD_STRUCT_DISCKEY:
1243 bp->agid = lp->disckey.agid;
1244 break;
1245 case DVD_STRUCT_BCA:
1246 case DVD_STRUCT_MANUFACT:
1247 break;
1248 default:
1249 return (EINVAL);
1250 }
1251 return (0);
1252 }
1253
1254 static int
1255 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1256 {
1257 switch (bp->format) {
1258 case DVD_STRUCT_PHYSICAL: {
1259 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1260 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1261 memset(llp, 0, sizeof(*llp));
1262 llp->book_version = blp->book_version;
1263 llp->book_type = blp->book_type;
1264 llp->min_rate = blp->max_rate;
1265 llp->disc_size = blp->disc_size;
1266 llp->layer_type = blp->layer_type;
1267 llp->track_path = blp->track_path;
1268 llp->nlayers = blp->nlayers;
1269 llp->track_density = blp->track_density;
1270 llp->linear_density = blp->linear_density;
1271 llp->bca = blp->bca;
1272 llp->start_sector = blp->start_sector;
1273 llp->end_sector = blp->end_sector;
1274 llp->end_sector_l0 = blp->end_sector_l0;
1275 break;
1276 }
1277 case DVD_STRUCT_COPYRIGHT:
1278 lp->copyright.cpst = bp->cpst;
1279 lp->copyright.rmi = bp->rmi;
1280 break;
1281 case DVD_STRUCT_DISCKEY:
1282 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1283 break;
1284 case DVD_STRUCT_BCA:
1285 lp->bca.len = bp->length;
1286 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1287 break;
1288 case DVD_STRUCT_MANUFACT:
1289 lp->manufact.len = bp->length;
1290 memcpy(lp->manufact.value, bp->data,
1291 sizeof(lp->manufact.value));
1292 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */
1293 break;
1294 default:
1295 return (EINVAL);
1296 }
1297 return (0);
1298 }
1299
1300 static int
1301 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1302 struct dvd_authinfo *bp)
1303 {
1304 switch (lp->type) {
1305 case LINUX_DVD_LU_SEND_AGID:
1306 *bcode = DVDIOCREPORTKEY;
1307 bp->format = DVD_REPORT_AGID;
1308 bp->agid = lp->lsa.agid;
1309 break;
1310 case LINUX_DVD_HOST_SEND_CHALLENGE:
1311 *bcode = DVDIOCSENDKEY;
1312 bp->format = DVD_SEND_CHALLENGE;
1313 bp->agid = lp->hsc.agid;
1314 memcpy(bp->keychal, lp->hsc.chal, 10);
1315 break;
1316 case LINUX_DVD_LU_SEND_KEY1:
1317 *bcode = DVDIOCREPORTKEY;
1318 bp->format = DVD_REPORT_KEY1;
1319 bp->agid = lp->lsk.agid;
1320 break;
1321 case LINUX_DVD_LU_SEND_CHALLENGE:
1322 *bcode = DVDIOCREPORTKEY;
1323 bp->format = DVD_REPORT_CHALLENGE;
1324 bp->agid = lp->lsc.agid;
1325 break;
1326 case LINUX_DVD_HOST_SEND_KEY2:
1327 *bcode = DVDIOCSENDKEY;
1328 bp->format = DVD_SEND_KEY2;
1329 bp->agid = lp->hsk.agid;
1330 memcpy(bp->keychal, lp->hsk.key, 5);
1331 break;
1332 case LINUX_DVD_LU_SEND_TITLE_KEY:
1333 *bcode = DVDIOCREPORTKEY;
1334 bp->format = DVD_REPORT_TITLE_KEY;
1335 bp->agid = lp->lstk.agid;
1336 bp->lba = lp->lstk.lba;
1337 break;
1338 case LINUX_DVD_LU_SEND_ASF:
1339 *bcode = DVDIOCREPORTKEY;
1340 bp->format = DVD_REPORT_ASF;
1341 bp->agid = lp->lsasf.agid;
1342 break;
1343 case LINUX_DVD_INVALIDATE_AGID:
1344 *bcode = DVDIOCREPORTKEY;
1345 bp->format = DVD_INVALIDATE_AGID;
1346 bp->agid = lp->lsa.agid;
1347 break;
1348 case LINUX_DVD_LU_SEND_RPC_STATE:
1349 *bcode = DVDIOCREPORTKEY;
1350 bp->format = DVD_REPORT_RPC;
1351 break;
1352 case LINUX_DVD_HOST_SEND_RPC_STATE:
1353 *bcode = DVDIOCSENDKEY;
1354 bp->format = DVD_SEND_RPC;
1355 bp->region = lp->hrpcs.pdrc;
1356 break;
1357 default:
1358 return (EINVAL);
1359 }
1360 return (0);
1361 }
1362
1363 static int
1364 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1365 {
1366 switch (lp->type) {
1367 case LINUX_DVD_LU_SEND_AGID:
1368 lp->lsa.agid = bp->agid;
1369 break;
1370 case LINUX_DVD_HOST_SEND_CHALLENGE:
1371 lp->type = LINUX_DVD_LU_SEND_KEY1;
1372 break;
1373 case LINUX_DVD_LU_SEND_KEY1:
1374 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1375 break;
1376 case LINUX_DVD_LU_SEND_CHALLENGE:
1377 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1378 break;
1379 case LINUX_DVD_HOST_SEND_KEY2:
1380 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1381 break;
1382 case LINUX_DVD_LU_SEND_TITLE_KEY:
1383 memcpy(lp->lstk.title_key, bp->keychal,
1384 sizeof(lp->lstk.title_key));
1385 lp->lstk.cpm = bp->cpm;
1386 lp->lstk.cp_sec = bp->cp_sec;
1387 lp->lstk.cgms = bp->cgms;
1388 break;
1389 case LINUX_DVD_LU_SEND_ASF:
1390 lp->lsasf.asf = bp->asf;
1391 break;
1392 case LINUX_DVD_INVALIDATE_AGID:
1393 break;
1394 case LINUX_DVD_LU_SEND_RPC_STATE:
1395 lp->lrpcs.type = bp->reg_type;
1396 lp->lrpcs.vra = bp->vend_rsts;
1397 lp->lrpcs.ucca = bp->user_rsts;
1398 lp->lrpcs.region_mask = bp->region;
1399 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1400 break;
1401 case LINUX_DVD_HOST_SEND_RPC_STATE:
1402 break;
1403 default:
1404 return (EINVAL);
1405 }
1406 return (0);
1407 }
1408
1409 static int
1410 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1411 {
1412 struct file *fp;
1413 int error;
1414
1415 if ((error = fget(td, args->fd, &fp)) != 0)
1416 return (error);
1417 switch (args->cmd & 0xffff) {
1418
1419 case LINUX_CDROMPAUSE:
1420 args->cmd = CDIOCPAUSE;
1421 error = (ioctl(td, (struct ioctl_args *)args));
1422 break;
1423
1424 case LINUX_CDROMRESUME:
1425 args->cmd = CDIOCRESUME;
1426 error = (ioctl(td, (struct ioctl_args *)args));
1427 break;
1428
1429 case LINUX_CDROMPLAYMSF:
1430 args->cmd = CDIOCPLAYMSF;
1431 error = (ioctl(td, (struct ioctl_args *)args));
1432 break;
1433
1434 case LINUX_CDROMPLAYTRKIND:
1435 args->cmd = CDIOCPLAYTRACKS;
1436 error = (ioctl(td, (struct ioctl_args *)args));
1437 break;
1438
1439 case LINUX_CDROMREADTOCHDR: {
1440 struct ioc_toc_header th;
1441 struct linux_cdrom_tochdr lth;
1442 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1443 td->td_ucred, td);
1444 if (!error) {
1445 lth.cdth_trk0 = th.starting_track;
1446 lth.cdth_trk1 = th.ending_track;
1447 copyout(<h, (void *)args->arg, sizeof(lth));
1448 }
1449 break;
1450 }
1451
1452 case LINUX_CDROMREADTOCENTRY: {
1453 struct linux_cdrom_tocentry lte;
1454 struct ioc_read_toc_single_entry irtse;
1455
1456 error = copyin((void *)args->arg, <e, sizeof(lte));
1457 if (error)
1458 break;
1459 irtse.address_format = lte.cdte_format;
1460 irtse.track = lte.cdte_track;
1461 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1462 td->td_ucred, td);
1463 if (!error) {
1464 lte.cdte_ctrl = irtse.entry.control;
1465 lte.cdte_adr = irtse.entry.addr_type;
1466 bsd_to_linux_msf_lba(irtse.address_format,
1467 &irtse.entry.addr, <e.cdte_addr);
1468 error = copyout(<e, (void *)args->arg, sizeof(lte));
1469 }
1470 break;
1471 }
1472
1473 case LINUX_CDROMSTOP:
1474 args->cmd = CDIOCSTOP;
1475 error = (ioctl(td, (struct ioctl_args *)args));
1476 break;
1477
1478 case LINUX_CDROMSTART:
1479 args->cmd = CDIOCSTART;
1480 error = (ioctl(td, (struct ioctl_args *)args));
1481 break;
1482
1483 case LINUX_CDROMEJECT:
1484 args->cmd = CDIOCEJECT;
1485 error = (ioctl(td, (struct ioctl_args *)args));
1486 break;
1487
1488 /* LINUX_CDROMVOLCTRL */
1489
1490 case LINUX_CDROMSUBCHNL: {
1491 struct linux_cdrom_subchnl sc;
1492 struct ioc_read_subchannel bsdsc;
1493 struct cd_sub_channel_info *bsdinfo;
1494 caddr_t sg = stackgap_init();
1495 bsdinfo = stackgap_alloc(&sg, sizeof(*bsdinfo));
1496 bsdsc.address_format = CD_LBA_FORMAT;
1497 bsdsc.data_format = CD_CURRENT_POSITION;
1498 bsdsc.track = 0;
1499 bsdsc.data_len = sizeof(*bsdinfo);
1500 bsdsc.data = bsdinfo;
1501 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc,
1502 td->td_ucred, td);
1503 if (error)
1504 break;
1505 error = copyin((void *)args->arg, &sc, sizeof(sc));
1506 if (error)
1507 break;
1508 sc.cdsc_audiostatus = bsdinfo->header.audio_status;
1509 sc.cdsc_adr = bsdinfo->what.position.addr_type;
1510 sc.cdsc_ctrl = bsdinfo->what.position.control;
1511 sc.cdsc_trk = bsdinfo->what.position.track_number;
1512 sc.cdsc_ind = bsdinfo->what.position.index_number;
1513 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1514 bsdinfo->what.position.absaddr.lba);
1515 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1516 bsdinfo->what.position.reladdr.lba);
1517 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1518 break;
1519 }
1520
1521 /* LINUX_CDROMREADMODE2 */
1522 /* LINUX_CDROMREADMODE1 */
1523 /* LINUX_CDROMREADAUDIO */
1524 /* LINUX_CDROMEJECT_SW */
1525 /* LINUX_CDROMMULTISESSION */
1526 /* LINUX_CDROM_GET_UPC */
1527
1528 case LINUX_CDROMRESET:
1529 args->cmd = CDIOCRESET;
1530 error = (ioctl(td, (struct ioctl_args *)args));
1531 break;
1532
1533 /* LINUX_CDROMVOLREAD */
1534 /* LINUX_CDROMREADRAW */
1535 /* LINUX_CDROMREADCOOKED */
1536 /* LINUX_CDROMSEEK */
1537 /* LINUX_CDROMPLAYBLK */
1538 /* LINUX_CDROMREADALL */
1539 /* LINUX_CDROMCLOSETRAY */
1540 /* LINUX_CDROMLOADFROMSLOT */
1541 /* LINUX_CDROMGETSPINDOWN */
1542 /* LINUX_CDROMSETSPINDOWN */
1543 /* LINUX_CDROM_SET_OPTIONS */
1544 /* LINUX_CDROM_CLEAR_OPTIONS */
1545 /* LINUX_CDROM_SELECT_SPEED */
1546 /* LINUX_CDROM_SELECT_DISC */
1547 /* LINUX_CDROM_MEDIA_CHANGED */
1548 /* LINUX_CDROM_DRIVE_STATUS */
1549 /* LINUX_CDROM_DISC_STATUS */
1550 /* LINUX_CDROM_CHANGER_NSLOTS */
1551 /* LINUX_CDROM_LOCKDOOR */
1552 /* LINUX_CDROM_DEBUG */
1553 /* LINUX_CDROM_GET_CAPABILITY */
1554 /* LINUX_CDROMAUDIOBUFSIZ */
1555
1556 case LINUX_DVD_READ_STRUCT: {
1557 l_dvd_struct lds;
1558 struct dvd_struct bds;
1559
1560 error = copyin((void *)args->arg, &lds, sizeof(lds));
1561 if (error)
1562 break;
1563 error = linux_to_bsd_dvd_struct(&lds, &bds);
1564 if (error)
1565 break;
1566 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)&bds,
1567 td->td_ucred, td);
1568 if (error)
1569 break;
1570 error = bsd_to_linux_dvd_struct(&bds, &lds);
1571 if (error)
1572 break;
1573 error = copyout(&lds, (void *)args->arg, sizeof(lds));
1574 break;
1575 }
1576
1577 /* LINUX_DVD_WRITE_STRUCT */
1578
1579 case LINUX_DVD_AUTH: {
1580 l_dvd_authinfo lda;
1581 struct dvd_authinfo bda;
1582 int bcode;
1583
1584 error = copyin((void *)args->arg, &lda, sizeof(lda));
1585 if (error)
1586 break;
1587 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1588 if (error)
1589 break;
1590 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1591 td);
1592 if (error) {
1593 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1594 lda.type = LINUX_DVD_AUTH_FAILURE;
1595 copyout(&lda, (void *)args->arg, sizeof(lda));
1596 }
1597 break;
1598 }
1599 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1600 if (error)
1601 break;
1602 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1603 break;
1604 }
1605
1606 /* LINUX_CDROM_SEND_PACKET */
1607 /* LINUX_CDROM_NEXT_WRITABLE */
1608 /* LINUX_CDROM_LAST_WRITTEN */
1609
1610 default:
1611 error = ENOIOCTL;
1612 break;
1613 }
1614
1615 fdrop(fp, td);
1616 return (error);
1617 }
1618
1619 static int
1620 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1621 {
1622
1623 return (ENOTTY);
1624 }
1625
1626 /*
1627 * Sound related ioctls
1628 */
1629
1630 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1631
1632 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1633
1634 static int
1635 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1636 {
1637
1638 switch (args->cmd & 0xffff) {
1639
1640 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1641 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1642 return (ioctl(td, (struct ioctl_args *)args));
1643
1644 case LINUX_SOUND_MIXER_WRITE_BASS:
1645 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1646 return (ioctl(td, (struct ioctl_args *)args));
1647
1648 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1649 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1650 return (ioctl(td, (struct ioctl_args *)args));
1651
1652 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1653 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1654 return (ioctl(td, (struct ioctl_args *)args));
1655
1656 case LINUX_SOUND_MIXER_WRITE_PCM:
1657 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1658 return (ioctl(td, (struct ioctl_args *)args));
1659
1660 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1661 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1662 return (ioctl(td, (struct ioctl_args *)args));
1663
1664 case LINUX_SOUND_MIXER_WRITE_LINE:
1665 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1666 return (ioctl(td, (struct ioctl_args *)args));
1667
1668 case LINUX_SOUND_MIXER_WRITE_MIC:
1669 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1670 return (ioctl(td, (struct ioctl_args *)args));
1671
1672 case LINUX_SOUND_MIXER_WRITE_CD:
1673 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1674 return (ioctl(td, (struct ioctl_args *)args));
1675
1676 case LINUX_SOUND_MIXER_WRITE_IMIX:
1677 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1678 return (ioctl(td, (struct ioctl_args *)args));
1679
1680 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1681 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1682 return (ioctl(td, (struct ioctl_args *)args));
1683
1684 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1685 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1686 return (ioctl(td, (struct ioctl_args *)args));
1687
1688 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1689 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1690 return (ioctl(td, (struct ioctl_args *)args));
1691
1692 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1693 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1694 return (ioctl(td, (struct ioctl_args *)args));
1695
1696 case LINUX_SOUND_MIXER_WRITE_LINE1:
1697 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1698 return (ioctl(td, (struct ioctl_args *)args));
1699
1700 case LINUX_SOUND_MIXER_WRITE_LINE2:
1701 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1702 return (ioctl(td, (struct ioctl_args *)args));
1703
1704 case LINUX_SOUND_MIXER_WRITE_LINE3:
1705 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1706 return (ioctl(td, (struct ioctl_args *)args));
1707
1708 case LINUX_SOUND_MIXER_INFO:
1709 args->cmd = SETDIR(SOUND_MIXER_INFO);
1710 return (ioctl(td, (struct ioctl_args *)args));
1711
1712 case LINUX_OSS_GETVERSION: {
1713 int version = linux_get_oss_version(td);
1714 return (copyout(&version, (void *)args->arg, sizeof(int)));
1715 }
1716
1717 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1718 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1719 return (ioctl(td, (struct ioctl_args *)args));
1720
1721 case LINUX_SOUND_MIXER_READ_RECMASK:
1722 args->cmd = SOUND_MIXER_READ_RECMASK;
1723 return (ioctl(td, (struct ioctl_args *)args));
1724
1725 case LINUX_SOUND_MIXER_READ_DEVMASK:
1726 args->cmd = SOUND_MIXER_READ_DEVMASK;
1727 return (ioctl(td, (struct ioctl_args *)args));
1728
1729 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1730 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1731 return (ioctl(td, (struct ioctl_args *)args));
1732
1733 case LINUX_SNDCTL_DSP_RESET:
1734 args->cmd = SNDCTL_DSP_RESET;
1735 return (ioctl(td, (struct ioctl_args *)args));
1736
1737 case LINUX_SNDCTL_DSP_SYNC:
1738 args->cmd = SNDCTL_DSP_SYNC;
1739 return (ioctl(td, (struct ioctl_args *)args));
1740
1741 case LINUX_SNDCTL_DSP_SPEED:
1742 args->cmd = SNDCTL_DSP_SPEED;
1743 return (ioctl(td, (struct ioctl_args *)args));
1744
1745 case LINUX_SNDCTL_DSP_STEREO:
1746 args->cmd = SNDCTL_DSP_STEREO;
1747 return (ioctl(td, (struct ioctl_args *)args));
1748
1749 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1750 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1751 return (ioctl(td, (struct ioctl_args *)args));
1752
1753 case LINUX_SNDCTL_DSP_SETFMT:
1754 args->cmd = SNDCTL_DSP_SETFMT;
1755 return (ioctl(td, (struct ioctl_args *)args));
1756
1757 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1758 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1759 return (ioctl(td, (struct ioctl_args *)args));
1760
1761 case LINUX_SOUND_PCM_WRITE_FILTER:
1762 args->cmd = SOUND_PCM_WRITE_FILTER;
1763 return (ioctl(td, (struct ioctl_args *)args));
1764
1765 case LINUX_SNDCTL_DSP_POST:
1766 args->cmd = SNDCTL_DSP_POST;
1767 return (ioctl(td, (struct ioctl_args *)args));
1768
1769 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1770 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1771 return (ioctl(td, (struct ioctl_args *)args));
1772
1773 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1774 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1775 return (ioctl(td, (struct ioctl_args *)args));
1776
1777 case LINUX_SNDCTL_DSP_GETFMTS:
1778 args->cmd = SNDCTL_DSP_GETFMTS;
1779 return (ioctl(td, (struct ioctl_args *)args));
1780
1781 case LINUX_SNDCTL_DSP_GETOSPACE:
1782 args->cmd = SNDCTL_DSP_GETOSPACE;
1783 return (ioctl(td, (struct ioctl_args *)args));
1784
1785 case LINUX_SNDCTL_DSP_GETISPACE:
1786 args->cmd = SNDCTL_DSP_GETISPACE;
1787 return (ioctl(td, (struct ioctl_args *)args));
1788
1789 case LINUX_SNDCTL_DSP_NONBLOCK:
1790 args->cmd = SNDCTL_DSP_NONBLOCK;
1791 return (ioctl(td, (struct ioctl_args *)args));
1792
1793 case LINUX_SNDCTL_DSP_GETCAPS:
1794 args->cmd = SNDCTL_DSP_GETCAPS;
1795 return (ioctl(td, (struct ioctl_args *)args));
1796
1797 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1798 args->cmd = SNDCTL_DSP_SETTRIGGER;
1799 return (ioctl(td, (struct ioctl_args *)args));
1800
1801 case LINUX_SNDCTL_DSP_GETIPTR:
1802 args->cmd = SNDCTL_DSP_GETIPTR;
1803 return (ioctl(td, (struct ioctl_args *)args));
1804
1805 case LINUX_SNDCTL_DSP_GETOPTR:
1806 args->cmd = SNDCTL_DSP_GETOPTR;
1807 return (ioctl(td, (struct ioctl_args *)args));
1808
1809 case LINUX_SNDCTL_DSP_SETDUPLEX:
1810 args->cmd = SNDCTL_DSP_SETDUPLEX;
1811 return (ioctl(td, (struct ioctl_args *)args));
1812
1813 case LINUX_SNDCTL_DSP_GETODELAY:
1814 args->cmd = SNDCTL_DSP_GETODELAY;
1815 return (ioctl(td, (struct ioctl_args *)args));
1816
1817 case LINUX_SNDCTL_SEQ_RESET:
1818 args->cmd = SNDCTL_SEQ_RESET;
1819 return (ioctl(td, (struct ioctl_args *)args));
1820
1821 case LINUX_SNDCTL_SEQ_SYNC:
1822 args->cmd = SNDCTL_SEQ_SYNC;
1823 return (ioctl(td, (struct ioctl_args *)args));
1824
1825 case LINUX_SNDCTL_SYNTH_INFO:
1826 args->cmd = SNDCTL_SYNTH_INFO;
1827 return (ioctl(td, (struct ioctl_args *)args));
1828
1829 case LINUX_SNDCTL_SEQ_CTRLRATE:
1830 args->cmd = SNDCTL_SEQ_CTRLRATE;
1831 return (ioctl(td, (struct ioctl_args *)args));
1832
1833 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1834 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1835 return (ioctl(td, (struct ioctl_args *)args));
1836
1837 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1838 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1839 return (ioctl(td, (struct ioctl_args *)args));
1840
1841 case LINUX_SNDCTL_SEQ_PERCMODE:
1842 args->cmd = SNDCTL_SEQ_PERCMODE;
1843 return (ioctl(td, (struct ioctl_args *)args));
1844
1845 case LINUX_SNDCTL_FM_LOAD_INSTR:
1846 args->cmd = SNDCTL_FM_LOAD_INSTR;
1847 return (ioctl(td, (struct ioctl_args *)args));
1848
1849 case LINUX_SNDCTL_SEQ_TESTMIDI:
1850 args->cmd = SNDCTL_SEQ_TESTMIDI;
1851 return (ioctl(td, (struct ioctl_args *)args));
1852
1853 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1854 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1855 return (ioctl(td, (struct ioctl_args *)args));
1856
1857 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1858 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1859 return (ioctl(td, (struct ioctl_args *)args));
1860
1861 case LINUX_SNDCTL_SEQ_NRMIDIS:
1862 args->cmd = SNDCTL_SEQ_NRMIDIS;
1863 return (ioctl(td, (struct ioctl_args *)args));
1864
1865 case LINUX_SNDCTL_MIDI_INFO:
1866 args->cmd = SNDCTL_MIDI_INFO;
1867 return (ioctl(td, (struct ioctl_args *)args));
1868
1869 case LINUX_SNDCTL_SEQ_TRESHOLD:
1870 args->cmd = SNDCTL_SEQ_TRESHOLD;
1871 return (ioctl(td, (struct ioctl_args *)args));
1872
1873 case LINUX_SNDCTL_SYNTH_MEMAVL:
1874 args->cmd = SNDCTL_SYNTH_MEMAVL;
1875 return (ioctl(td, (struct ioctl_args *)args));
1876
1877 }
1878
1879 return (ENOIOCTL);
1880 }
1881
1882 /*
1883 * Console related ioctls
1884 */
1885
1886 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
1887
1888 static int
1889 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1890 {
1891 struct file *fp;
1892 int error;
1893
1894 if ((error = fget(td, args->fd, &fp)) != 0)
1895 return (error);
1896 switch (args->cmd & 0xffff) {
1897
1898 case LINUX_KIOCSOUND:
1899 args->cmd = KIOCSOUND;
1900 error = (ioctl(td, (struct ioctl_args *)args));
1901 break;
1902
1903 case LINUX_KDMKTONE:
1904 args->cmd = KDMKTONE;
1905 error = (ioctl(td, (struct ioctl_args *)args));
1906 break;
1907
1908 case LINUX_KDGETLED:
1909 args->cmd = KDGETLED;
1910 error = (ioctl(td, (struct ioctl_args *)args));
1911 break;
1912
1913 case LINUX_KDSETLED:
1914 args->cmd = KDSETLED;
1915 error = (ioctl(td, (struct ioctl_args *)args));
1916 break;
1917
1918 case LINUX_KDSETMODE:
1919 args->cmd = KDSETMODE;
1920 error = (ioctl(td, (struct ioctl_args *)args));
1921 break;
1922
1923 case LINUX_KDGETMODE:
1924 args->cmd = KDGETMODE;
1925 error = (ioctl(td, (struct ioctl_args *)args));
1926 break;
1927
1928 case LINUX_KDGKBMODE:
1929 args->cmd = KDGKBMODE;
1930 error = (ioctl(td, (struct ioctl_args *)args));
1931 break;
1932
1933 case LINUX_KDSKBMODE: {
1934 int kbdmode;
1935 switch (args->arg) {
1936 case LINUX_KBD_RAW:
1937 kbdmode = K_RAW;
1938 break;
1939 case LINUX_KBD_XLATE:
1940 kbdmode = K_XLATE;
1941 break;
1942 case LINUX_KBD_MEDIUMRAW:
1943 kbdmode = K_RAW;
1944 break;
1945 default:
1946 fdrop(fp, td);
1947 return (EINVAL);
1948 }
1949 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
1950 td->td_ucred, td));
1951 break;
1952 }
1953
1954 case LINUX_VT_OPENQRY:
1955 args->cmd = VT_OPENQRY;
1956 error = (ioctl(td, (struct ioctl_args *)args));
1957 break;
1958
1959 case LINUX_VT_GETMODE:
1960 args->cmd = VT_GETMODE;
1961 error = (ioctl(td, (struct ioctl_args *)args));
1962 break;
1963
1964 case LINUX_VT_SETMODE: {
1965 struct vt_mode mode;
1966 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
1967 break;
1968 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig))
1969 mode.frsig = mode.acqsig;
1970 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
1971 break;
1972 args->cmd = VT_SETMODE;
1973 error = (ioctl(td, (struct ioctl_args *)args));
1974 break;
1975 }
1976
1977 case LINUX_VT_GETSTATE:
1978 args->cmd = VT_GETACTIVE;
1979 error = (ioctl(td, (struct ioctl_args *)args));
1980 break;
1981
1982 case LINUX_VT_RELDISP:
1983 args->cmd = VT_RELDISP;
1984 error = (ioctl(td, (struct ioctl_args *)args));
1985 break;
1986
1987 case LINUX_VT_ACTIVATE:
1988 args->cmd = VT_ACTIVATE;
1989 error = (ioctl(td, (struct ioctl_args *)args));
1990 break;
1991
1992 case LINUX_VT_WAITACTIVE:
1993 args->cmd = VT_WAITACTIVE;
1994 error = (ioctl(td, (struct ioctl_args *)args));
1995 break;
1996
1997 default:
1998 error = ENOIOCTL;
1999 break;
2000 }
2001
2002 fdrop(fp, td);
2003 return (error);
2004 }
2005
2006 /*
2007 * Criteria for interface name translation
2008 */
2009 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
2010
2011 /*
2012 * Interface function used by linprocfs (at the time of writing). It's not
2013 * used by the Linuxulator itself.
2014 */
2015 int
2016 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
2017 {
2018 struct ifnet *ifscan;
2019 int ethno;
2020
2021 /* Short-circuit non ethernet interfaces */
2022 if (!IFP_IS_ETH(ifp))
2023 return (strlcpy(buffer, ifp->if_xname, buflen));
2024
2025 /* Determine the (relative) unit number for ethernet interfaces */
2026 ethno = 0;
2027 IFNET_RLOCK();
2028 TAILQ_FOREACH(ifscan, &ifnet, if_link) {
2029 if (ifscan == ifp) {
2030 IFNET_RUNLOCK();
2031 return (snprintf(buffer, buflen, "eth%d", ethno));
2032 }
2033 if (IFP_IS_ETH(ifscan))
2034 ethno++;
2035 }
2036 IFNET_RUNLOCK();
2037
2038 return (0);
2039 }
2040
2041 /*
2042 * Translate a Linux interface name to a FreeBSD interface name,
2043 * and return the associated ifnet structure
2044 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
2045 * can point to the same buffer.
2046 */
2047
2048 static struct ifnet *
2049 ifname_linux_to_bsd(const char *lxname, char *bsdname)
2050 {
2051 struct ifnet *ifp;
2052 int len, unit;
2053 char *ep;
2054 int is_eth, index;
2055
2056 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
2057 if (!isalpha(lxname[len]))
2058 break;
2059 if (len == 0 || len == LINUX_IFNAMSIZ)
2060 return (NULL);
2061 unit = (int)strtoul(lxname + len, &ep, 10);
2062 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
2063 return (NULL);
2064 index = 0;
2065 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
2066 IFNET_RLOCK();
2067 TAILQ_FOREACH(ifp, &ifnet, if_link) {
2068 /*
2069 * Allow Linux programs to use FreeBSD names. Don't presume
2070 * we never have an interface named "eth", so don't make
2071 * the test optional based on is_eth.
2072 */
2073 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
2074 break;
2075 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
2076 break;
2077 }
2078 IFNET_RUNLOCK();
2079 if (ifp != NULL)
2080 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
2081 return (ifp);
2082 }
2083
2084 /*
2085 * Implement the SIOCGIFCONF ioctl
2086 */
2087
2088 static int
2089 linux_ifconf(struct thread *td, struct ifconf *uifc)
2090 {
2091 #ifdef COMPAT_LINUX32
2092 struct l_ifconf ifc;
2093 #else
2094 struct ifconf ifc;
2095 #endif
2096 struct l_ifreq ifr;
2097 struct ifnet *ifp;
2098 struct ifaddr *ifa;
2099 struct iovec iov;
2100 struct uio uio;
2101 int error, ethno;
2102
2103 error = copyin(uifc, &ifc, sizeof(ifc));
2104 if (error != 0)
2105 return (error);
2106
2107 /* handle the 'request buffer size' case */
2108 if (ifc.ifc_buf == PTROUT(NULL)) {
2109 ifc.ifc_len = 0;
2110 TAILQ_FOREACH(ifp, &ifnet, if_link) {
2111 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2112 struct sockaddr *sa = ifa->ifa_addr;
2113 if (sa->sa_family == AF_INET)
2114 ifc.ifc_len += sizeof(ifr);
2115 }
2116 }
2117 error = copyout(&ifc, uifc, sizeof(ifc));
2118 return (error);
2119 }
2120
2121 /* much easier to use uiomove than keep track ourselves */
2122 iov.iov_base = PTRIN(ifc.ifc_buf);
2123 iov.iov_len = ifc.ifc_len;
2124 uio.uio_iov = &iov;
2125 uio.uio_iovcnt = 1;
2126 uio.uio_offset = 0;
2127 uio.uio_resid = ifc.ifc_len;
2128 uio.uio_segflg = UIO_USERSPACE;
2129 uio.uio_rw = UIO_READ;
2130 uio.uio_td = td;
2131
2132 /* Keep track of eth interfaces */
2133 ethno = 0;
2134
2135 /* Return all AF_INET addresses of all interfaces */
2136 IFNET_RLOCK(); /* could sleep XXX */
2137 TAILQ_FOREACH(ifp, &ifnet, if_link) {
2138 if (uio.uio_resid <= 0)
2139 break;
2140
2141 bzero(&ifr, sizeof(ifr));
2142 if (IFP_IS_ETH(ifp))
2143 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2144 ethno++);
2145 else
2146 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2147
2148 /* Walk the address list */
2149 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2150 struct sockaddr *sa = ifa->ifa_addr;
2151
2152 if (uio.uio_resid <= 0)
2153 break;
2154
2155 if (sa->sa_family == AF_INET) {
2156 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2157 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2158 sizeof(ifr.ifr_addr.sa_data));
2159
2160 error = uiomove(&ifr, sizeof(ifr), &uio);
2161 if (error != 0) {
2162 IFNET_RUNLOCK();
2163 return (error);
2164 }
2165 }
2166 }
2167 }
2168 IFNET_RUNLOCK();
2169
2170 ifc.ifc_len -= uio.uio_resid;
2171 error = copyout(&ifc, uifc, sizeof(ifc));
2172
2173 return (error);
2174 }
2175
2176 static int
2177 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2178 {
2179 l_short flags;
2180
2181 flags = ifp->if_flags & 0xffff;
2182 /* these flags have no Linux equivalent */
2183 flags &= ~(IFF_SMART|IFF_OACTIVE|IFF_SIMPLEX|
2184 IFF_LINK0|IFF_LINK1|IFF_LINK2);
2185 /* Linux' multicast flag is in a different bit */
2186 if (flags & IFF_MULTICAST) {
2187 flags &= ~IFF_MULTICAST;
2188 flags |= 0x1000;
2189 }
2190
2191 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2192 }
2193
2194 #define ARPHRD_ETHER 1
2195 #define ARPHRD_LOOPBACK 772
2196
2197 static int
2198 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2199 {
2200 struct ifaddr *ifa;
2201 struct sockaddr_dl *sdl;
2202 struct l_sockaddr lsa;
2203
2204 if (ifp->if_type == IFT_LOOP) {
2205 bzero(&lsa, sizeof(lsa));
2206 lsa.sa_family = ARPHRD_LOOPBACK;
2207 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2208 }
2209
2210 if (ifp->if_type != IFT_ETHER)
2211 return (ENOENT);
2212
2213 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2214 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
2215 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
2216 (sdl->sdl_type == IFT_ETHER)) {
2217 bzero(&lsa, sizeof(lsa));
2218 lsa.sa_family = ARPHRD_ETHER;
2219 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
2220 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2221 }
2222 }
2223
2224 return (ENOENT);
2225 }
2226
2227 /*
2228 * Socket related ioctls
2229 */
2230
2231 static int
2232 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2233 {
2234 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2235 struct ifnet *ifp;
2236 struct file *fp;
2237 int error, type;
2238
2239 KASSERT(LINUX_IFNAMSIZ == IFNAMSIZ,
2240 ("%s(): LINUX_IFNAMSIZ != IFNAMSIZ", __func__));
2241
2242 ifp = NULL;
2243 error = 0;
2244
2245 if ((error = fget(td, args->fd, &fp)) != 0)
2246 return (error);
2247 type = fp->f_type;
2248 fdrop(fp, td);
2249 if (type != DTYPE_SOCKET) {
2250 /* not a socket - probably a tap / vmnet device */
2251 switch (args->cmd) {
2252 case LINUX_SIOCGIFADDR:
2253 case LINUX_SIOCSIFADDR:
2254 case LINUX_SIOCGIFFLAGS:
2255 return (linux_ioctl_special(td, args));
2256 default:
2257 return (ENOIOCTL);
2258 }
2259 }
2260
2261 switch (args->cmd & 0xffff) {
2262
2263 case LINUX_FIOGETOWN:
2264 case LINUX_FIOSETOWN:
2265 case LINUX_SIOCADDMULTI:
2266 case LINUX_SIOCATMARK:
2267 case LINUX_SIOCDELMULTI:
2268 case LINUX_SIOCGIFCONF:
2269 case LINUX_SIOCGPGRP:
2270 case LINUX_SIOCSPGRP:
2271 /* these ioctls don't take an interface name */
2272 #ifdef DEBUG
2273 printf("%s(): ioctl %d\n", __func__,
2274 args->cmd & 0xffff);
2275 #endif
2276 break;
2277
2278 case LINUX_SIOCGIFFLAGS:
2279 case LINUX_SIOCGIFADDR:
2280 case LINUX_SIOCSIFADDR:
2281 case LINUX_SIOCGIFDSTADDR:
2282 case LINUX_SIOCGIFBRDADDR:
2283 case LINUX_SIOCGIFNETMASK:
2284 case LINUX_SIOCSIFNETMASK:
2285 case LINUX_SIOCGIFMTU:
2286 case LINUX_SIOCSIFMTU:
2287 case LINUX_SIOCSIFNAME:
2288 case LINUX_SIOCGIFHWADDR:
2289 case LINUX_SIOCSIFHWADDR:
2290 case LINUX_SIOCDEVPRIVATE:
2291 case LINUX_SIOCDEVPRIVATE+1:
2292 /* copy in the interface name and translate it. */
2293 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2294 if (error != 0)
2295 return (error);
2296 #ifdef DEBUG
2297 printf("%s(): ioctl %d on %.*s\n", __func__,
2298 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
2299 #endif
2300 ifp = ifname_linux_to_bsd(lifname, ifname);
2301 if (ifp == NULL)
2302 return (EINVAL);
2303 /*
2304 * We need to copy it back out in case we pass the
2305 * request on to our native ioctl(), which will expect
2306 * the ifreq to be in user space and have the correct
2307 * interface name.
2308 */
2309 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2310 if (error != 0)
2311 return (error);
2312 #ifdef DEBUG
2313 printf("%s(): %s translated to %s\n", __func__,
2314 lifname, ifname);
2315 #endif
2316 break;
2317
2318 default:
2319 return (ENOIOCTL);
2320 }
2321
2322 switch (args->cmd & 0xffff) {
2323
2324 case LINUX_FIOSETOWN:
2325 args->cmd = FIOSETOWN;
2326 error = ioctl(td, (struct ioctl_args *)args);
2327 break;
2328
2329 case LINUX_SIOCSPGRP:
2330 args->cmd = SIOCSPGRP;
2331 error = ioctl(td, (struct ioctl_args *)args);
2332 break;
2333
2334 case LINUX_FIOGETOWN:
2335 args->cmd = FIOGETOWN;
2336 error = ioctl(td, (struct ioctl_args *)args);
2337 break;
2338
2339 case LINUX_SIOCGPGRP:
2340 args->cmd = SIOCGPGRP;
2341 error = ioctl(td, (struct ioctl_args *)args);
2342 break;
2343
2344 case LINUX_SIOCATMARK:
2345 args->cmd = SIOCATMARK;
2346 error = ioctl(td, (struct ioctl_args *)args);
2347 break;
2348
2349 /* LINUX_SIOCGSTAMP */
2350
2351 case LINUX_SIOCGIFCONF:
2352 error = linux_ifconf(td, (struct ifconf *)args->arg);
2353 break;
2354
2355 case LINUX_SIOCGIFFLAGS:
2356 args->cmd = SIOCGIFFLAGS;
2357 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2358 break;
2359
2360 case LINUX_SIOCGIFADDR:
2361 args->cmd = OSIOCGIFADDR;
2362 error = ioctl(td, (struct ioctl_args *)args);
2363 break;
2364
2365 case LINUX_SIOCSIFADDR:
2366 /* XXX probably doesn't work, included for completeness */
2367 args->cmd = SIOCSIFADDR;
2368 error = ioctl(td, (struct ioctl_args *)args);
2369 break;
2370
2371 case LINUX_SIOCGIFDSTADDR:
2372 args->cmd = OSIOCGIFDSTADDR;
2373 error = ioctl(td, (struct ioctl_args *)args);
2374 break;
2375
2376 case LINUX_SIOCGIFBRDADDR:
2377 args->cmd = OSIOCGIFBRDADDR;
2378 error = ioctl(td, (struct ioctl_args *)args);
2379 break;
2380
2381 case LINUX_SIOCGIFNETMASK:
2382 args->cmd = OSIOCGIFNETMASK;
2383 error = ioctl(td, (struct ioctl_args *)args);
2384 break;
2385
2386 case LINUX_SIOCSIFNETMASK:
2387 error = ENOIOCTL;
2388 break;
2389
2390 case LINUX_SIOCGIFMTU:
2391 args->cmd = SIOCGIFMTU;
2392 error = ioctl(td, (struct ioctl_args *)args);
2393 break;
2394
2395 case LINUX_SIOCSIFMTU:
2396 args->cmd = SIOCSIFMTU;
2397 error = ioctl(td, (struct ioctl_args *)args);
2398 break;
2399
2400 case LINUX_SIOCSIFNAME:
2401 error = ENOIOCTL;
2402 break;
2403
2404 case LINUX_SIOCGIFHWADDR:
2405 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2406 break;
2407
2408 case LINUX_SIOCSIFHWADDR:
2409 error = ENOIOCTL;
2410 break;
2411
2412 case LINUX_SIOCADDMULTI:
2413 args->cmd = SIOCADDMULTI;
2414 error = ioctl(td, (struct ioctl_args *)args);
2415 break;
2416
2417 case LINUX_SIOCDELMULTI:
2418 args->cmd = SIOCDELMULTI;
2419 error = ioctl(td, (struct ioctl_args *)args);
2420 break;
2421
2422 /*
2423 * XXX This is slightly bogus, but these ioctls are currently
2424 * XXX only used by the aironet (if_an) network driver.
2425 */
2426 case LINUX_SIOCDEVPRIVATE:
2427 args->cmd = SIOCGPRIVATE_0;
2428 error = ioctl(td, (struct ioctl_args *)args);
2429 break;
2430
2431 case LINUX_SIOCDEVPRIVATE+1:
2432 args->cmd = SIOCGPRIVATE_1;
2433 error = ioctl(td, (struct ioctl_args *)args);
2434 break;
2435 }
2436
2437 if (ifp != NULL)
2438 /* restore the original interface name */
2439 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2440
2441 #ifdef DEBUG
2442 printf("%s(): returning %d\n", __func__, error);
2443 #endif
2444 return (error);
2445 }
2446
2447 /*
2448 * Device private ioctl handler
2449 */
2450 static int
2451 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2452 {
2453 struct file *fp;
2454 int error, type;
2455
2456 if ((error = fget(td, args->fd, &fp)) != 0)
2457 return (error);
2458 type = fp->f_type;
2459 fdrop(fp, td);
2460 if (type == DTYPE_SOCKET)
2461 return (linux_ioctl_socket(td, args));
2462 return (ENOIOCTL);
2463 }
2464
2465 /*
2466 * DRM ioctl handler (sys/dev/drm)
2467 */
2468 static int
2469 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2470 {
2471 args->cmd = SETDIR(args->cmd);
2472 return ioctl(td, (struct ioctl_args *)args);
2473 }
2474
2475 /*
2476 * Special ioctl handler
2477 */
2478 static int
2479 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
2480 {
2481 int error;
2482
2483 switch (args->cmd) {
2484 case LINUX_SIOCGIFADDR:
2485 args->cmd = SIOCGIFADDR;
2486 error = ioctl(td, (struct ioctl_args *)args);
2487 break;
2488 case LINUX_SIOCSIFADDR:
2489 args->cmd = SIOCSIFADDR;
2490 error = ioctl(td, (struct ioctl_args *)args);
2491 break;
2492 case LINUX_SIOCGIFFLAGS:
2493 args->cmd = SIOCGIFFLAGS;
2494 error = ioctl(td, (struct ioctl_args *)args);
2495 break;
2496 default:
2497 error = ENOIOCTL;
2498 }
2499
2500 return (error);
2501 }
2502
2503 /*
2504 * main ioctl syscall function
2505 */
2506
2507 int
2508 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
2509 {
2510 struct file *fp;
2511 struct handler_element *he;
2512 int error, cmd;
2513
2514 #ifdef DEBUG
2515 if (ldebug(ioctl))
2516 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
2517 (unsigned long)args->cmd);
2518 #endif
2519
2520 if ((error = fget(td, args->fd, &fp)) != 0)
2521 return (error);
2522 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
2523 fdrop(fp, td);
2524 return (EBADF);
2525 }
2526
2527 /* Iterate over the ioctl handlers */
2528 cmd = args->cmd & 0xffff;
2529 TAILQ_FOREACH(he, &handlers, list) {
2530 if (cmd >= he->low && cmd <= he->high) {
2531 error = (*he->func)(td, args);
2532 if (error != ENOIOCTL) {
2533 fdrop(fp, td);
2534 return (error);
2535 }
2536 }
2537 }
2538 fdrop(fp, td);
2539
2540 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
2541 args->fd, (int)(args->cmd & 0xffff),
2542 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
2543
2544 return (EINVAL);
2545 }
2546
2547 int
2548 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
2549 {
2550 struct handler_element *he, *cur;
2551
2552 if (h == NULL || h->func == NULL)
2553 return (EINVAL);
2554
2555 /*
2556 * Reuse the element if the handler is already on the list, otherwise
2557 * create a new element.
2558 */
2559 TAILQ_FOREACH(he, &handlers, list) {
2560 if (he->func == h->func)
2561 break;
2562 }
2563 if (he == NULL) {
2564 MALLOC(he, struct handler_element *, sizeof(*he),
2565 M_LINUX, M_WAITOK);
2566 he->func = h->func;
2567 } else
2568 TAILQ_REMOVE(&handlers, he, list);
2569
2570 /* Initialize range information. */
2571 he->low = h->low;
2572 he->high = h->high;
2573 he->span = h->high - h->low + 1;
2574
2575 /* Add the element to the list, sorted on span. */
2576 TAILQ_FOREACH(cur, &handlers, list) {
2577 if (cur->span > he->span) {
2578 TAILQ_INSERT_BEFORE(cur, he, list);
2579 return (0);
2580 }
2581 }
2582 TAILQ_INSERT_TAIL(&handlers, he, list);
2583
2584 return (0);
2585 }
2586
2587 int
2588 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
2589 {
2590 struct handler_element *he;
2591
2592 if (h == NULL || h->func == NULL)
2593 return (EINVAL);
2594
2595 TAILQ_FOREACH(he, &handlers, list) {
2596 if (he->func == h->func) {
2597 TAILQ_REMOVE(&handlers, he, list);
2598 FREE(he, M_LINUX);
2599 return (0);
2600 }
2601 }
2602
2603 return (EINVAL);
2604 }
Cache object: bcc63f0b8486c12b17bcdae8efe47ba8
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