1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1994-1995 Søren Schmidt
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "opt_compat.h"
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/sysproto.h>
37 #ifdef COMPAT_LINUX32
38 #include <sys/abi_compat.h>
39 #endif
40 #include <sys/capsicum.h>
41 #include <sys/cdio.h>
42 #include <sys/dvdio.h>
43 #include <sys/conf.h>
44 #include <sys/disk.h>
45 #include <sys/consio.h>
46 #include <sys/ctype.h>
47 #include <sys/fcntl.h>
48 #include <sys/file.h>
49 #include <sys/filedesc.h>
50 #include <sys/filio.h>
51 #include <sys/jail.h>
52 #include <sys/kbio.h>
53 #include <sys/kcov.h>
54 #include <sys/kernel.h>
55 #include <sys/linker_set.h>
56 #include <sys/lock.h>
57 #include <sys/malloc.h>
58 #include <sys/proc.h>
59 #include <sys/sbuf.h>
60 #include <sys/socket.h>
61 #include <sys/sockio.h>
62 #include <sys/soundcard.h>
63 #include <sys/stdint.h>
64 #include <sys/sx.h>
65 #include <sys/sysctl.h>
66 #include <sys/tty.h>
67 #include <sys/uio.h>
68 #include <sys/types.h>
69 #include <sys/mman.h>
70 #include <sys/resourcevar.h>
71
72 #include <net/if.h>
73 #include <net/if_var.h>
74 #include <net/if_dl.h>
75 #include <net/if_types.h>
76
77 #include <dev/evdev/input.h>
78 #include <dev/usb/usb_ioctl.h>
79
80 #ifdef COMPAT_LINUX32
81 #include <machine/../linux32/linux.h>
82 #include <machine/../linux32/linux32_proto.h>
83 #else
84 #include <machine/../linux/linux.h>
85 #include <machine/../linux/linux_proto.h>
86 #endif
87
88 #include <compat/linux/linux_common.h>
89 #include <compat/linux/linux_ioctl.h>
90 #include <compat/linux/linux_mib.h>
91 #include <compat/linux/linux_socket.h>
92 #include <compat/linux/linux_timer.h>
93 #include <compat/linux/linux_util.h>
94
95 #include <contrib/v4l/videodev.h>
96 #include <compat/linux/linux_videodev_compat.h>
97
98 #include <contrib/v4l/videodev2.h>
99 #include <compat/linux/linux_videodev2_compat.h>
100
101 #include <cam/scsi/scsi_sg.h>
102
103 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
104
105 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \
106 static linux_ioctl_function_t linux_ioctl_ ## shortname; \
107 static struct linux_ioctl_handler shortname ## _handler = { \
108 .func = linux_ioctl_ ## shortname, \
109 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \
110 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \
111 }; \
112 DATA_SET(linux_ioctl_handler_set, shortname ## _handler)
113
114 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM);
115 DEFINE_LINUX_IOCTL_SET(vfat, VFAT);
116 DEFINE_LINUX_IOCTL_SET(console, CONSOLE);
117 DEFINE_LINUX_IOCTL_SET(hdio, HDIO);
118 DEFINE_LINUX_IOCTL_SET(disk, DISK);
119 DEFINE_LINUX_IOCTL_SET(socket, SOCKET);
120 DEFINE_LINUX_IOCTL_SET(sound, SOUND);
121 DEFINE_LINUX_IOCTL_SET(termio, TERMIO);
122 DEFINE_LINUX_IOCTL_SET(private, PRIVATE);
123 DEFINE_LINUX_IOCTL_SET(drm, DRM);
124 DEFINE_LINUX_IOCTL_SET(sg, SG);
125 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO);
126 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2);
127 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB);
128 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV);
129 DEFINE_LINUX_IOCTL_SET(kcov, KCOV);
130
131 #undef DEFINE_LINUX_IOCTL_SET
132
133 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *);
134
135 /*
136 * Keep sorted by low.
137 */
138 static struct linux_ioctl_handler linux_ioctls[] = {
139 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN,
140 .high = LINUX_IOCTL_TERMIO_MAX },
141 };
142
143 #ifdef __i386__
144 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers =
145 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers);
146 static struct sx linux_ioctl_sx;
147 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers");
148 #else
149 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers;
150 extern struct sx linux_ioctl_sx;
151 #endif
152 #ifdef COMPAT_LINUX32
153 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers =
154 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers);
155 #endif
156
157 /*
158 * hdio related ioctls for VMWare support
159 */
160
161 struct linux_hd_geometry {
162 u_int8_t heads;
163 u_int8_t sectors;
164 u_int16_t cylinders;
165 u_int32_t start;
166 };
167
168 struct linux_hd_big_geometry {
169 u_int8_t heads;
170 u_int8_t sectors;
171 u_int32_t cylinders;
172 u_int32_t start;
173 };
174
175 static int
176 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
177 {
178 struct file *fp;
179 int error;
180 u_int sectorsize, fwcylinders, fwheads, fwsectors;
181 off_t mediasize, bytespercyl;
182
183 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
184 if (error != 0)
185 return (error);
186 switch (args->cmd & 0xffff) {
187 case LINUX_HDIO_GET_GEO:
188 case LINUX_HDIO_GET_GEO_BIG:
189 error = fo_ioctl(fp, DIOCGMEDIASIZE,
190 (caddr_t)&mediasize, td->td_ucred, td);
191 if (!error)
192 error = fo_ioctl(fp, DIOCGSECTORSIZE,
193 (caddr_t)§orsize, td->td_ucred, td);
194 if (!error)
195 error = fo_ioctl(fp, DIOCGFWHEADS,
196 (caddr_t)&fwheads, td->td_ucred, td);
197 if (!error)
198 error = fo_ioctl(fp, DIOCGFWSECTORS,
199 (caddr_t)&fwsectors, td->td_ucred, td);
200 /*
201 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
202 * so pretend that GEOM always says 0. This is NOT VALID
203 * for slices or partitions, only the per-disk raw devices.
204 */
205
206 fdrop(fp, td);
207 if (error)
208 return (error);
209 /*
210 * 1. Calculate the number of bytes in a cylinder,
211 * given the firmware's notion of heads and sectors
212 * per cylinder.
213 * 2. Calculate the number of cylinders, given the total
214 * size of the media.
215 * All internal calculations should have 64-bit precision.
216 */
217 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
218 fwcylinders = mediasize / bytespercyl;
219
220 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
221 struct linux_hd_geometry hdg;
222
223 hdg.cylinders = fwcylinders;
224 hdg.heads = fwheads;
225 hdg.sectors = fwsectors;
226 hdg.start = 0;
227 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
228 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
229 struct linux_hd_big_geometry hdbg;
230
231 memset(&hdbg, 0, sizeof(hdbg));
232 hdbg.cylinders = fwcylinders;
233 hdbg.heads = fwheads;
234 hdbg.sectors = fwsectors;
235 hdbg.start = 0;
236 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
237 }
238 return (error);
239 break;
240 default:
241 /* XXX */
242 linux_msg(td,
243 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented",
244 __func__, args->fd, args->cmd,
245 (int)(args->cmd & 0xff00) >> 8,
246 (int)(args->cmd & 0xff));
247 break;
248 }
249 fdrop(fp, td);
250 return (ENOIOCTL);
251 }
252
253 static int
254 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
255 {
256 struct file *fp;
257 int error;
258 u_int sectorsize, psectorsize;
259 uint64_t blksize64;
260 off_t mediasize, stripesize;
261
262 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
263 if (error != 0)
264 return (error);
265 switch (args->cmd & 0xffff) {
266 case LINUX_BLKGETSIZE:
267 error = fo_ioctl(fp, DIOCGSECTORSIZE,
268 (caddr_t)§orsize, td->td_ucred, td);
269 if (!error)
270 error = fo_ioctl(fp, DIOCGMEDIASIZE,
271 (caddr_t)&mediasize, td->td_ucred, td);
272 fdrop(fp, td);
273 if (error)
274 return (error);
275 sectorsize = mediasize / sectorsize;
276 /*
277 * XXX: How do we know we return the right size of integer ?
278 */
279 return (copyout(§orsize, (void *)args->arg,
280 sizeof(sectorsize)));
281 break;
282 case LINUX_BLKGETSIZE64:
283 error = fo_ioctl(fp, DIOCGMEDIASIZE,
284 (caddr_t)&mediasize, td->td_ucred, td);
285 fdrop(fp, td);
286 if (error)
287 return (error);
288 blksize64 = mediasize;;
289 return (copyout(&blksize64, (void *)args->arg,
290 sizeof(blksize64)));
291 case LINUX_BLKSSZGET:
292 error = fo_ioctl(fp, DIOCGSECTORSIZE,
293 (caddr_t)§orsize, td->td_ucred, td);
294 fdrop(fp, td);
295 if (error)
296 return (error);
297 return (copyout(§orsize, (void *)args->arg,
298 sizeof(sectorsize)));
299 break;
300 case LINUX_BLKPBSZGET:
301 error = fo_ioctl(fp, DIOCGSTRIPESIZE,
302 (caddr_t)&stripesize, td->td_ucred, td);
303 if (error != 0) {
304 fdrop(fp, td);
305 return (error);
306 }
307 if (stripesize > 0 && stripesize <= 4096) {
308 psectorsize = stripesize;
309 } else {
310 error = fo_ioctl(fp, DIOCGSECTORSIZE,
311 (caddr_t)§orsize, td->td_ucred, td);
312 if (error != 0) {
313 fdrop(fp, td);
314 return (error);
315 }
316 psectorsize = sectorsize;
317 }
318 fdrop(fp, td);
319 return (copyout(&psectorsize, (void *)args->arg,
320 sizeof(psectorsize)));
321 }
322 fdrop(fp, td);
323 return (ENOIOCTL);
324 }
325
326 /*
327 * termio related ioctls
328 */
329
330 struct linux_termio {
331 unsigned short c_iflag;
332 unsigned short c_oflag;
333 unsigned short c_cflag;
334 unsigned short c_lflag;
335 unsigned char c_line;
336 unsigned char c_cc[LINUX_NCC];
337 };
338
339 struct linux_termios {
340 unsigned int c_iflag;
341 unsigned int c_oflag;
342 unsigned int c_cflag;
343 unsigned int c_lflag;
344 unsigned char c_line;
345 unsigned char c_cc[LINUX_NCCS];
346 };
347
348 struct linux_winsize {
349 unsigned short ws_row, ws_col;
350 unsigned short ws_xpixel, ws_ypixel;
351 };
352
353 struct speedtab {
354 int sp_speed; /* Speed. */
355 int sp_code; /* Code. */
356 };
357
358 static struct speedtab sptab[] = {
359 { B0, LINUX_B0 }, { B50, LINUX_B50 },
360 { B75, LINUX_B75 }, { B110, LINUX_B110 },
361 { B134, LINUX_B134 }, { B150, LINUX_B150 },
362 { B200, LINUX_B200 }, { B300, LINUX_B300 },
363 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
364 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
365 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
366 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
367 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
368 {-1, -1 }
369 };
370
371 struct linux_serial_struct {
372 int type;
373 int line;
374 int port;
375 int irq;
376 int flags;
377 int xmit_fifo_size;
378 int custom_divisor;
379 int baud_base;
380 unsigned short close_delay;
381 char reserved_char[2];
382 int hub6;
383 unsigned short closing_wait;
384 unsigned short closing_wait2;
385 int reserved[4];
386 };
387
388 static int
389 linux_to_bsd_speed(int code, struct speedtab *table)
390 {
391 for ( ; table->sp_code != -1; table++)
392 if (table->sp_code == code)
393 return (table->sp_speed);
394 return (-1);
395 }
396
397 static int
398 bsd_to_linux_speed(int speed, struct speedtab *table)
399 {
400 for ( ; table->sp_speed != -1; table++)
401 if (table->sp_speed == speed)
402 return (table->sp_code);
403 return (-1);
404 }
405
406 static void
407 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
408 {
409 int i;
410
411 lios->c_iflag = 0;
412 if (bios->c_iflag & IGNBRK)
413 lios->c_iflag |= LINUX_IGNBRK;
414 if (bios->c_iflag & BRKINT)
415 lios->c_iflag |= LINUX_BRKINT;
416 if (bios->c_iflag & IGNPAR)
417 lios->c_iflag |= LINUX_IGNPAR;
418 if (bios->c_iflag & PARMRK)
419 lios->c_iflag |= LINUX_PARMRK;
420 if (bios->c_iflag & INPCK)
421 lios->c_iflag |= LINUX_INPCK;
422 if (bios->c_iflag & ISTRIP)
423 lios->c_iflag |= LINUX_ISTRIP;
424 if (bios->c_iflag & INLCR)
425 lios->c_iflag |= LINUX_INLCR;
426 if (bios->c_iflag & IGNCR)
427 lios->c_iflag |= LINUX_IGNCR;
428 if (bios->c_iflag & ICRNL)
429 lios->c_iflag |= LINUX_ICRNL;
430 if (bios->c_iflag & IXON)
431 lios->c_iflag |= LINUX_IXON;
432 if (bios->c_iflag & IXANY)
433 lios->c_iflag |= LINUX_IXANY;
434 if (bios->c_iflag & IXOFF)
435 lios->c_iflag |= LINUX_IXOFF;
436 if (bios->c_iflag & IMAXBEL)
437 lios->c_iflag |= LINUX_IMAXBEL;
438
439 lios->c_oflag = 0;
440 if (bios->c_oflag & OPOST)
441 lios->c_oflag |= LINUX_OPOST;
442 if (bios->c_oflag & ONLCR)
443 lios->c_oflag |= LINUX_ONLCR;
444 if (bios->c_oflag & TAB3)
445 lios->c_oflag |= LINUX_XTABS;
446
447 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
448 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
449 if (bios->c_cflag & CSTOPB)
450 lios->c_cflag |= LINUX_CSTOPB;
451 if (bios->c_cflag & CREAD)
452 lios->c_cflag |= LINUX_CREAD;
453 if (bios->c_cflag & PARENB)
454 lios->c_cflag |= LINUX_PARENB;
455 if (bios->c_cflag & PARODD)
456 lios->c_cflag |= LINUX_PARODD;
457 if (bios->c_cflag & HUPCL)
458 lios->c_cflag |= LINUX_HUPCL;
459 if (bios->c_cflag & CLOCAL)
460 lios->c_cflag |= LINUX_CLOCAL;
461 if (bios->c_cflag & CRTSCTS)
462 lios->c_cflag |= LINUX_CRTSCTS;
463
464 lios->c_lflag = 0;
465 if (bios->c_lflag & ISIG)
466 lios->c_lflag |= LINUX_ISIG;
467 if (bios->c_lflag & ICANON)
468 lios->c_lflag |= LINUX_ICANON;
469 if (bios->c_lflag & ECHO)
470 lios->c_lflag |= LINUX_ECHO;
471 if (bios->c_lflag & ECHOE)
472 lios->c_lflag |= LINUX_ECHOE;
473 if (bios->c_lflag & ECHOK)
474 lios->c_lflag |= LINUX_ECHOK;
475 if (bios->c_lflag & ECHONL)
476 lios->c_lflag |= LINUX_ECHONL;
477 if (bios->c_lflag & NOFLSH)
478 lios->c_lflag |= LINUX_NOFLSH;
479 if (bios->c_lflag & TOSTOP)
480 lios->c_lflag |= LINUX_TOSTOP;
481 if (bios->c_lflag & ECHOCTL)
482 lios->c_lflag |= LINUX_ECHOCTL;
483 if (bios->c_lflag & ECHOPRT)
484 lios->c_lflag |= LINUX_ECHOPRT;
485 if (bios->c_lflag & ECHOKE)
486 lios->c_lflag |= LINUX_ECHOKE;
487 if (bios->c_lflag & FLUSHO)
488 lios->c_lflag |= LINUX_FLUSHO;
489 if (bios->c_lflag & PENDIN)
490 lios->c_lflag |= LINUX_PENDIN;
491 if (bios->c_lflag & IEXTEN)
492 lios->c_lflag |= LINUX_IEXTEN;
493
494 for (i=0; i<LINUX_NCCS; i++)
495 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
496 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
497 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
498 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
499 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
500 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
501 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
502 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
503 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
504 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
505 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
506 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
507 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
508 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
509 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
510 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
511 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
512 if (linux_preserve_vstatus)
513 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS];
514
515 for (i=0; i<LINUX_NCCS; i++) {
516 if (i != LINUX_VMIN && i != LINUX_VTIME &&
517 lios->c_cc[i] == _POSIX_VDISABLE)
518 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
519 }
520 lios->c_line = 0;
521 }
522
523 static void
524 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
525 {
526 int i;
527
528 bios->c_iflag = 0;
529 if (lios->c_iflag & LINUX_IGNBRK)
530 bios->c_iflag |= IGNBRK;
531 if (lios->c_iflag & LINUX_BRKINT)
532 bios->c_iflag |= BRKINT;
533 if (lios->c_iflag & LINUX_IGNPAR)
534 bios->c_iflag |= IGNPAR;
535 if (lios->c_iflag & LINUX_PARMRK)
536 bios->c_iflag |= PARMRK;
537 if (lios->c_iflag & LINUX_INPCK)
538 bios->c_iflag |= INPCK;
539 if (lios->c_iflag & LINUX_ISTRIP)
540 bios->c_iflag |= ISTRIP;
541 if (lios->c_iflag & LINUX_INLCR)
542 bios->c_iflag |= INLCR;
543 if (lios->c_iflag & LINUX_IGNCR)
544 bios->c_iflag |= IGNCR;
545 if (lios->c_iflag & LINUX_ICRNL)
546 bios->c_iflag |= ICRNL;
547 if (lios->c_iflag & LINUX_IXON)
548 bios->c_iflag |= IXON;
549 if (lios->c_iflag & LINUX_IXANY)
550 bios->c_iflag |= IXANY;
551 if (lios->c_iflag & LINUX_IXOFF)
552 bios->c_iflag |= IXOFF;
553 if (lios->c_iflag & LINUX_IMAXBEL)
554 bios->c_iflag |= IMAXBEL;
555
556 bios->c_oflag = 0;
557 if (lios->c_oflag & LINUX_OPOST)
558 bios->c_oflag |= OPOST;
559 if (lios->c_oflag & LINUX_ONLCR)
560 bios->c_oflag |= ONLCR;
561 if (lios->c_oflag & LINUX_XTABS)
562 bios->c_oflag |= TAB3;
563
564 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
565 if (lios->c_cflag & LINUX_CSTOPB)
566 bios->c_cflag |= CSTOPB;
567 if (lios->c_cflag & LINUX_CREAD)
568 bios->c_cflag |= CREAD;
569 if (lios->c_cflag & LINUX_PARENB)
570 bios->c_cflag |= PARENB;
571 if (lios->c_cflag & LINUX_PARODD)
572 bios->c_cflag |= PARODD;
573 if (lios->c_cflag & LINUX_HUPCL)
574 bios->c_cflag |= HUPCL;
575 if (lios->c_cflag & LINUX_CLOCAL)
576 bios->c_cflag |= CLOCAL;
577 if (lios->c_cflag & LINUX_CRTSCTS)
578 bios->c_cflag |= CRTSCTS;
579
580 bios->c_lflag = 0;
581 if (lios->c_lflag & LINUX_ISIG)
582 bios->c_lflag |= ISIG;
583 if (lios->c_lflag & LINUX_ICANON)
584 bios->c_lflag |= ICANON;
585 if (lios->c_lflag & LINUX_ECHO)
586 bios->c_lflag |= ECHO;
587 if (lios->c_lflag & LINUX_ECHOE)
588 bios->c_lflag |= ECHOE;
589 if (lios->c_lflag & LINUX_ECHOK)
590 bios->c_lflag |= ECHOK;
591 if (lios->c_lflag & LINUX_ECHONL)
592 bios->c_lflag |= ECHONL;
593 if (lios->c_lflag & LINUX_NOFLSH)
594 bios->c_lflag |= NOFLSH;
595 if (lios->c_lflag & LINUX_TOSTOP)
596 bios->c_lflag |= TOSTOP;
597 if (lios->c_lflag & LINUX_ECHOCTL)
598 bios->c_lflag |= ECHOCTL;
599 if (lios->c_lflag & LINUX_ECHOPRT)
600 bios->c_lflag |= ECHOPRT;
601 if (lios->c_lflag & LINUX_ECHOKE)
602 bios->c_lflag |= ECHOKE;
603 if (lios->c_lflag & LINUX_FLUSHO)
604 bios->c_lflag |= FLUSHO;
605 if (lios->c_lflag & LINUX_PENDIN)
606 bios->c_lflag |= PENDIN;
607 if (lios->c_lflag & LINUX_IEXTEN)
608 bios->c_lflag |= IEXTEN;
609
610 for (i=0; i<NCCS; i++)
611 bios->c_cc[i] = _POSIX_VDISABLE;
612 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
613 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
614 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
615 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
616 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
617 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
618 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
619 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
620 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
621 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
622 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
623 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
624 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
625 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
626 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
627 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
628 if (linux_preserve_vstatus)
629 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS];
630
631 for (i=0; i<NCCS; i++) {
632 if (i != VMIN && i != VTIME &&
633 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
634 bios->c_cc[i] = _POSIX_VDISABLE;
635 }
636
637 bios->c_ispeed = bios->c_ospeed =
638 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
639 }
640
641 static void
642 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
643 {
644 struct linux_termios lios;
645
646 memset(lio, 0, sizeof(*lio));
647 bsd_to_linux_termios(bios, &lios);
648 lio->c_iflag = lios.c_iflag;
649 lio->c_oflag = lios.c_oflag;
650 lio->c_cflag = lios.c_cflag;
651 lio->c_lflag = lios.c_lflag;
652 lio->c_line = lios.c_line;
653 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
654 }
655
656 static void
657 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
658 {
659 struct linux_termios lios;
660 int i;
661
662 lios.c_iflag = lio->c_iflag;
663 lios.c_oflag = lio->c_oflag;
664 lios.c_cflag = lio->c_cflag;
665 lios.c_lflag = lio->c_lflag;
666 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
667 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
668 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
669 linux_to_bsd_termios(&lios, bios);
670 }
671
672 static int
673 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
674 {
675 struct termios bios;
676 struct linux_termios lios;
677 struct linux_termio lio;
678 struct file *fp;
679 int error;
680
681 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
682 if (error != 0)
683 return (error);
684
685 switch (args->cmd & 0xffff) {
686 case LINUX_TCGETS:
687 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
688 td);
689 if (error)
690 break;
691 bsd_to_linux_termios(&bios, &lios);
692 error = copyout(&lios, (void *)args->arg, sizeof(lios));
693 break;
694
695 case LINUX_TCSETS:
696 error = copyin((void *)args->arg, &lios, sizeof(lios));
697 if (error)
698 break;
699 linux_to_bsd_termios(&lios, &bios);
700 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
701 td));
702 break;
703
704 case LINUX_TCSETSW:
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, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
710 td));
711 break;
712
713 case LINUX_TCSETSF:
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, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
719 td));
720 break;
721
722 case LINUX_TCGETA:
723 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
724 td);
725 if (error)
726 break;
727 bsd_to_linux_termio(&bios, &lio);
728 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
729 break;
730
731 case LINUX_TCSETA:
732 error = copyin((void *)args->arg, &lio, sizeof(lio));
733 if (error)
734 break;
735 linux_to_bsd_termio(&lio, &bios);
736 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
737 td));
738 break;
739
740 case LINUX_TCSETAW:
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, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
746 td));
747 break;
748
749 case LINUX_TCSETAF:
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, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
755 td));
756 break;
757
758 /* LINUX_TCSBRK */
759
760 case LINUX_TCXONC: {
761 switch (args->arg) {
762 case LINUX_TCOOFF:
763 args->cmd = TIOCSTOP;
764 break;
765 case LINUX_TCOON:
766 args->cmd = TIOCSTART;
767 break;
768 case LINUX_TCIOFF:
769 case LINUX_TCION: {
770 int c;
771 struct write_args wr;
772 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
773 td->td_ucred, td);
774 if (error)
775 break;
776 fdrop(fp, td);
777 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
778 c = bios.c_cc[c];
779 if (c != _POSIX_VDISABLE) {
780 wr.fd = args->fd;
781 wr.buf = &c;
782 wr.nbyte = sizeof(c);
783 return (sys_write(td, &wr));
784 } else
785 return (0);
786 }
787 default:
788 fdrop(fp, td);
789 return (EINVAL);
790 }
791 args->arg = 0;
792 error = (sys_ioctl(td, (struct ioctl_args *)args));
793 break;
794 }
795
796 case LINUX_TCFLSH: {
797 int val;
798 switch (args->arg) {
799 case LINUX_TCIFLUSH:
800 val = FREAD;
801 break;
802 case LINUX_TCOFLUSH:
803 val = FWRITE;
804 break;
805 case LINUX_TCIOFLUSH:
806 val = FREAD | FWRITE;
807 break;
808 default:
809 fdrop(fp, td);
810 return (EINVAL);
811 }
812 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
813 break;
814 }
815
816 case LINUX_TIOCEXCL:
817 args->cmd = TIOCEXCL;
818 error = (sys_ioctl(td, (struct ioctl_args *)args));
819 break;
820
821 case LINUX_TIOCNXCL:
822 args->cmd = TIOCNXCL;
823 error = (sys_ioctl(td, (struct ioctl_args *)args));
824 break;
825
826 case LINUX_TIOCSCTTY:
827 args->cmd = TIOCSCTTY;
828 error = (sys_ioctl(td, (struct ioctl_args *)args));
829 break;
830
831 case LINUX_TIOCGPGRP:
832 args->cmd = TIOCGPGRP;
833 error = (sys_ioctl(td, (struct ioctl_args *)args));
834 break;
835
836 case LINUX_TIOCSPGRP:
837 args->cmd = TIOCSPGRP;
838 error = (sys_ioctl(td, (struct ioctl_args *)args));
839 break;
840
841 /* LINUX_TIOCOUTQ */
842 /* LINUX_TIOCSTI */
843
844 case LINUX_TIOCGWINSZ:
845 args->cmd = TIOCGWINSZ;
846 error = (sys_ioctl(td, (struct ioctl_args *)args));
847 break;
848
849 case LINUX_TIOCSWINSZ:
850 args->cmd = TIOCSWINSZ;
851 error = (sys_ioctl(td, (struct ioctl_args *)args));
852 break;
853
854 case LINUX_TIOCMGET:
855 args->cmd = TIOCMGET;
856 error = (sys_ioctl(td, (struct ioctl_args *)args));
857 break;
858
859 case LINUX_TIOCMBIS:
860 args->cmd = TIOCMBIS;
861 error = (sys_ioctl(td, (struct ioctl_args *)args));
862 break;
863
864 case LINUX_TIOCMBIC:
865 args->cmd = TIOCMBIC;
866 error = (sys_ioctl(td, (struct ioctl_args *)args));
867 break;
868
869 case LINUX_TIOCMSET:
870 args->cmd = TIOCMSET;
871 error = (sys_ioctl(td, (struct ioctl_args *)args));
872 break;
873
874 /* TIOCGSOFTCAR */
875 /* TIOCSSOFTCAR */
876
877 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
878 args->cmd = FIONREAD;
879 error = (sys_ioctl(td, (struct ioctl_args *)args));
880 break;
881
882 /* LINUX_TIOCLINUX */
883
884 case LINUX_TIOCCONS:
885 args->cmd = TIOCCONS;
886 error = (sys_ioctl(td, (struct ioctl_args *)args));
887 break;
888
889 case LINUX_TIOCGSERIAL: {
890 struct linux_serial_struct lss;
891
892 bzero(&lss, sizeof(lss));
893 lss.type = LINUX_PORT_16550A;
894 lss.flags = 0;
895 lss.close_delay = 0;
896 error = copyout(&lss, (void *)args->arg, sizeof(lss));
897 break;
898 }
899
900 case LINUX_TIOCSSERIAL: {
901 struct linux_serial_struct lss;
902 error = copyin((void *)args->arg, &lss, sizeof(lss));
903 if (error)
904 break;
905 /* XXX - It really helps to have an implementation that
906 * does nothing. NOT!
907 */
908 error = 0;
909 break;
910 }
911
912 case LINUX_TIOCPKT:
913 args->cmd = TIOCPKT;
914 error = (sys_ioctl(td, (struct ioctl_args *)args));
915 break;
916
917 case LINUX_FIONBIO:
918 args->cmd = FIONBIO;
919 error = (sys_ioctl(td, (struct ioctl_args *)args));
920 break;
921
922 case LINUX_TIOCNOTTY:
923 args->cmd = TIOCNOTTY;
924 error = (sys_ioctl(td, (struct ioctl_args *)args));
925 break;
926
927 case LINUX_TIOCSETD: {
928 int line;
929 switch (args->arg) {
930 case LINUX_N_TTY:
931 line = TTYDISC;
932 break;
933 case LINUX_N_SLIP:
934 line = SLIPDISC;
935 break;
936 case LINUX_N_PPP:
937 line = PPPDISC;
938 break;
939 default:
940 fdrop(fp, td);
941 return (EINVAL);
942 }
943 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
944 td));
945 break;
946 }
947
948 case LINUX_TIOCGETD: {
949 int linux_line;
950 int bsd_line = TTYDISC;
951 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
952 td->td_ucred, td);
953 if (error)
954 break;
955 switch (bsd_line) {
956 case TTYDISC:
957 linux_line = LINUX_N_TTY;
958 break;
959 case SLIPDISC:
960 linux_line = LINUX_N_SLIP;
961 break;
962 case PPPDISC:
963 linux_line = LINUX_N_PPP;
964 break;
965 default:
966 fdrop(fp, td);
967 return (EINVAL);
968 }
969 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
970 break;
971 }
972
973 /* LINUX_TCSBRKP */
974 /* LINUX_TIOCTTYGSTRUCT */
975
976 case LINUX_FIONCLEX:
977 args->cmd = FIONCLEX;
978 error = (sys_ioctl(td, (struct ioctl_args *)args));
979 break;
980
981 case LINUX_FIOCLEX:
982 args->cmd = FIOCLEX;
983 error = (sys_ioctl(td, (struct ioctl_args *)args));
984 break;
985
986 case LINUX_FIOASYNC:
987 args->cmd = FIOASYNC;
988 error = (sys_ioctl(td, (struct ioctl_args *)args));
989 break;
990
991 /* LINUX_TIOCSERCONFIG */
992 /* LINUX_TIOCSERGWILD */
993 /* LINUX_TIOCSERSWILD */
994 /* LINUX_TIOCGLCKTRMIOS */
995 /* LINUX_TIOCSLCKTRMIOS */
996
997 case LINUX_TIOCSBRK:
998 args->cmd = TIOCSBRK;
999 error = (sys_ioctl(td, (struct ioctl_args *)args));
1000 break;
1001
1002 case LINUX_TIOCCBRK:
1003 args->cmd = TIOCCBRK;
1004 error = (sys_ioctl(td, (struct ioctl_args *)args));
1005 break;
1006 case LINUX_TIOCGPTN: {
1007 int nb;
1008
1009 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1010 if (!error)
1011 error = copyout(&nb, (void *)args->arg,
1012 sizeof(int));
1013 break;
1014 }
1015 case LINUX_TIOCSPTLCK:
1016 /* Our unlockpt() does nothing. */
1017 error = 0;
1018 break;
1019 default:
1020 error = ENOIOCTL;
1021 break;
1022 }
1023
1024 fdrop(fp, td);
1025 return (error);
1026 }
1027
1028 /*
1029 * CDROM related ioctls
1030 */
1031
1032 struct linux_cdrom_msf
1033 {
1034 u_char cdmsf_min0;
1035 u_char cdmsf_sec0;
1036 u_char cdmsf_frame0;
1037 u_char cdmsf_min1;
1038 u_char cdmsf_sec1;
1039 u_char cdmsf_frame1;
1040 };
1041
1042 struct linux_cdrom_tochdr
1043 {
1044 u_char cdth_trk0;
1045 u_char cdth_trk1;
1046 };
1047
1048 union linux_cdrom_addr
1049 {
1050 struct {
1051 u_char minute;
1052 u_char second;
1053 u_char frame;
1054 } msf;
1055 int lba;
1056 };
1057
1058 struct linux_cdrom_tocentry
1059 {
1060 u_char cdte_track;
1061 u_char cdte_adr:4;
1062 u_char cdte_ctrl:4;
1063 u_char cdte_format;
1064 union linux_cdrom_addr cdte_addr;
1065 u_char cdte_datamode;
1066 };
1067
1068 struct linux_cdrom_subchnl
1069 {
1070 u_char cdsc_format;
1071 u_char cdsc_audiostatus;
1072 u_char cdsc_adr:4;
1073 u_char cdsc_ctrl:4;
1074 u_char cdsc_trk;
1075 u_char cdsc_ind;
1076 union linux_cdrom_addr cdsc_absaddr;
1077 union linux_cdrom_addr cdsc_reladdr;
1078 };
1079
1080 struct l_cdrom_read_audio {
1081 union linux_cdrom_addr addr;
1082 u_char addr_format;
1083 l_int nframes;
1084 u_char *buf;
1085 };
1086
1087 struct l_dvd_layer {
1088 u_char book_version:4;
1089 u_char book_type:4;
1090 u_char min_rate:4;
1091 u_char disc_size:4;
1092 u_char layer_type:4;
1093 u_char track_path:1;
1094 u_char nlayers:2;
1095 u_char track_density:4;
1096 u_char linear_density:4;
1097 u_char bca:1;
1098 u_int32_t start_sector;
1099 u_int32_t end_sector;
1100 u_int32_t end_sector_l0;
1101 };
1102
1103 struct l_dvd_physical {
1104 u_char type;
1105 u_char layer_num;
1106 struct l_dvd_layer layer[4];
1107 };
1108
1109 struct l_dvd_copyright {
1110 u_char type;
1111 u_char layer_num;
1112 u_char cpst;
1113 u_char rmi;
1114 };
1115
1116 struct l_dvd_disckey {
1117 u_char type;
1118 l_uint agid:2;
1119 u_char value[2048];
1120 };
1121
1122 struct l_dvd_bca {
1123 u_char type;
1124 l_int len;
1125 u_char value[188];
1126 };
1127
1128 struct l_dvd_manufact {
1129 u_char type;
1130 u_char layer_num;
1131 l_int len;
1132 u_char value[2048];
1133 };
1134
1135 typedef union {
1136 u_char type;
1137 struct l_dvd_physical physical;
1138 struct l_dvd_copyright copyright;
1139 struct l_dvd_disckey disckey;
1140 struct l_dvd_bca bca;
1141 struct l_dvd_manufact manufact;
1142 } l_dvd_struct;
1143
1144 typedef u_char l_dvd_key[5];
1145 typedef u_char l_dvd_challenge[10];
1146
1147 struct l_dvd_lu_send_agid {
1148 u_char type;
1149 l_uint agid:2;
1150 };
1151
1152 struct l_dvd_host_send_challenge {
1153 u_char type;
1154 l_uint agid:2;
1155 l_dvd_challenge chal;
1156 };
1157
1158 struct l_dvd_send_key {
1159 u_char type;
1160 l_uint agid:2;
1161 l_dvd_key key;
1162 };
1163
1164 struct l_dvd_lu_send_challenge {
1165 u_char type;
1166 l_uint agid:2;
1167 l_dvd_challenge chal;
1168 };
1169
1170 struct l_dvd_lu_send_title_key {
1171 u_char type;
1172 l_uint agid:2;
1173 l_dvd_key title_key;
1174 l_int lba;
1175 l_uint cpm:1;
1176 l_uint cp_sec:1;
1177 l_uint cgms:2;
1178 };
1179
1180 struct l_dvd_lu_send_asf {
1181 u_char type;
1182 l_uint agid:2;
1183 l_uint asf:1;
1184 };
1185
1186 struct l_dvd_host_send_rpcstate {
1187 u_char type;
1188 u_char pdrc;
1189 };
1190
1191 struct l_dvd_lu_send_rpcstate {
1192 u_char type:2;
1193 u_char vra:3;
1194 u_char ucca:3;
1195 u_char region_mask;
1196 u_char rpc_scheme;
1197 };
1198
1199 typedef union {
1200 u_char type;
1201 struct l_dvd_lu_send_agid lsa;
1202 struct l_dvd_host_send_challenge hsc;
1203 struct l_dvd_send_key lsk;
1204 struct l_dvd_lu_send_challenge lsc;
1205 struct l_dvd_send_key hsk;
1206 struct l_dvd_lu_send_title_key lstk;
1207 struct l_dvd_lu_send_asf lsasf;
1208 struct l_dvd_host_send_rpcstate hrpcs;
1209 struct l_dvd_lu_send_rpcstate lrpcs;
1210 } l_dvd_authinfo;
1211
1212 static void
1213 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1214 {
1215 if (af == CD_LBA_FORMAT)
1216 lp->lba = bp->lba;
1217 else {
1218 lp->msf.minute = bp->msf.minute;
1219 lp->msf.second = bp->msf.second;
1220 lp->msf.frame = bp->msf.frame;
1221 }
1222 }
1223
1224 static void
1225 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1226 {
1227 if (format == LINUX_CDROM_MSF) {
1228 addr->msf.frame = lba % 75;
1229 lba /= 75;
1230 lba += 2;
1231 addr->msf.second = lba % 60;
1232 addr->msf.minute = lba / 60;
1233 } else
1234 addr->lba = lba;
1235 }
1236
1237 static int
1238 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1239 {
1240 bp->format = lp->type;
1241 switch (bp->format) {
1242 case DVD_STRUCT_PHYSICAL:
1243 if (bp->layer_num >= 4)
1244 return (EINVAL);
1245 bp->layer_num = lp->physical.layer_num;
1246 break;
1247 case DVD_STRUCT_COPYRIGHT:
1248 bp->layer_num = lp->copyright.layer_num;
1249 break;
1250 case DVD_STRUCT_DISCKEY:
1251 bp->agid = lp->disckey.agid;
1252 break;
1253 case DVD_STRUCT_BCA:
1254 case DVD_STRUCT_MANUFACT:
1255 break;
1256 default:
1257 return (EINVAL);
1258 }
1259 return (0);
1260 }
1261
1262 static int
1263 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1264 {
1265 switch (bp->format) {
1266 case DVD_STRUCT_PHYSICAL: {
1267 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1268 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1269 memset(llp, 0, sizeof(*llp));
1270 llp->book_version = blp->book_version;
1271 llp->book_type = blp->book_type;
1272 llp->min_rate = blp->max_rate;
1273 llp->disc_size = blp->disc_size;
1274 llp->layer_type = blp->layer_type;
1275 llp->track_path = blp->track_path;
1276 llp->nlayers = blp->nlayers;
1277 llp->track_density = blp->track_density;
1278 llp->linear_density = blp->linear_density;
1279 llp->bca = blp->bca;
1280 llp->start_sector = blp->start_sector;
1281 llp->end_sector = blp->end_sector;
1282 llp->end_sector_l0 = blp->end_sector_l0;
1283 break;
1284 }
1285 case DVD_STRUCT_COPYRIGHT:
1286 lp->copyright.cpst = bp->cpst;
1287 lp->copyright.rmi = bp->rmi;
1288 break;
1289 case DVD_STRUCT_DISCKEY:
1290 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1291 break;
1292 case DVD_STRUCT_BCA:
1293 lp->bca.len = bp->length;
1294 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1295 break;
1296 case DVD_STRUCT_MANUFACT:
1297 lp->manufact.len = bp->length;
1298 memcpy(lp->manufact.value, bp->data,
1299 sizeof(lp->manufact.value));
1300 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */
1301 break;
1302 default:
1303 return (EINVAL);
1304 }
1305 return (0);
1306 }
1307
1308 static int
1309 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1310 struct dvd_authinfo *bp)
1311 {
1312 switch (lp->type) {
1313 case LINUX_DVD_LU_SEND_AGID:
1314 *bcode = DVDIOCREPORTKEY;
1315 bp->format = DVD_REPORT_AGID;
1316 bp->agid = lp->lsa.agid;
1317 break;
1318 case LINUX_DVD_HOST_SEND_CHALLENGE:
1319 *bcode = DVDIOCSENDKEY;
1320 bp->format = DVD_SEND_CHALLENGE;
1321 bp->agid = lp->hsc.agid;
1322 memcpy(bp->keychal, lp->hsc.chal, 10);
1323 break;
1324 case LINUX_DVD_LU_SEND_KEY1:
1325 *bcode = DVDIOCREPORTKEY;
1326 bp->format = DVD_REPORT_KEY1;
1327 bp->agid = lp->lsk.agid;
1328 break;
1329 case LINUX_DVD_LU_SEND_CHALLENGE:
1330 *bcode = DVDIOCREPORTKEY;
1331 bp->format = DVD_REPORT_CHALLENGE;
1332 bp->agid = lp->lsc.agid;
1333 break;
1334 case LINUX_DVD_HOST_SEND_KEY2:
1335 *bcode = DVDIOCSENDKEY;
1336 bp->format = DVD_SEND_KEY2;
1337 bp->agid = lp->hsk.agid;
1338 memcpy(bp->keychal, lp->hsk.key, 5);
1339 break;
1340 case LINUX_DVD_LU_SEND_TITLE_KEY:
1341 *bcode = DVDIOCREPORTKEY;
1342 bp->format = DVD_REPORT_TITLE_KEY;
1343 bp->agid = lp->lstk.agid;
1344 bp->lba = lp->lstk.lba;
1345 break;
1346 case LINUX_DVD_LU_SEND_ASF:
1347 *bcode = DVDIOCREPORTKEY;
1348 bp->format = DVD_REPORT_ASF;
1349 bp->agid = lp->lsasf.agid;
1350 break;
1351 case LINUX_DVD_INVALIDATE_AGID:
1352 *bcode = DVDIOCREPORTKEY;
1353 bp->format = DVD_INVALIDATE_AGID;
1354 bp->agid = lp->lsa.agid;
1355 break;
1356 case LINUX_DVD_LU_SEND_RPC_STATE:
1357 *bcode = DVDIOCREPORTKEY;
1358 bp->format = DVD_REPORT_RPC;
1359 break;
1360 case LINUX_DVD_HOST_SEND_RPC_STATE:
1361 *bcode = DVDIOCSENDKEY;
1362 bp->format = DVD_SEND_RPC;
1363 bp->region = lp->hrpcs.pdrc;
1364 break;
1365 default:
1366 return (EINVAL);
1367 }
1368 return (0);
1369 }
1370
1371 static int
1372 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1373 {
1374 switch (lp->type) {
1375 case LINUX_DVD_LU_SEND_AGID:
1376 lp->lsa.agid = bp->agid;
1377 break;
1378 case LINUX_DVD_HOST_SEND_CHALLENGE:
1379 lp->type = LINUX_DVD_LU_SEND_KEY1;
1380 break;
1381 case LINUX_DVD_LU_SEND_KEY1:
1382 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1383 break;
1384 case LINUX_DVD_LU_SEND_CHALLENGE:
1385 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1386 break;
1387 case LINUX_DVD_HOST_SEND_KEY2:
1388 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1389 break;
1390 case LINUX_DVD_LU_SEND_TITLE_KEY:
1391 memcpy(lp->lstk.title_key, bp->keychal,
1392 sizeof(lp->lstk.title_key));
1393 lp->lstk.cpm = bp->cpm;
1394 lp->lstk.cp_sec = bp->cp_sec;
1395 lp->lstk.cgms = bp->cgms;
1396 break;
1397 case LINUX_DVD_LU_SEND_ASF:
1398 lp->lsasf.asf = bp->asf;
1399 break;
1400 case LINUX_DVD_INVALIDATE_AGID:
1401 break;
1402 case LINUX_DVD_LU_SEND_RPC_STATE:
1403 lp->lrpcs.type = bp->reg_type;
1404 lp->lrpcs.vra = bp->vend_rsts;
1405 lp->lrpcs.ucca = bp->user_rsts;
1406 lp->lrpcs.region_mask = bp->region;
1407 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1408 break;
1409 case LINUX_DVD_HOST_SEND_RPC_STATE:
1410 break;
1411 default:
1412 return (EINVAL);
1413 }
1414 return (0);
1415 }
1416
1417 static int
1418 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1419 {
1420 struct file *fp;
1421 int error;
1422
1423 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1424 if (error != 0)
1425 return (error);
1426 switch (args->cmd & 0xffff) {
1427 case LINUX_CDROMPAUSE:
1428 args->cmd = CDIOCPAUSE;
1429 error = (sys_ioctl(td, (struct ioctl_args *)args));
1430 break;
1431
1432 case LINUX_CDROMRESUME:
1433 args->cmd = CDIOCRESUME;
1434 error = (sys_ioctl(td, (struct ioctl_args *)args));
1435 break;
1436
1437 case LINUX_CDROMPLAYMSF:
1438 args->cmd = CDIOCPLAYMSF;
1439 error = (sys_ioctl(td, (struct ioctl_args *)args));
1440 break;
1441
1442 case LINUX_CDROMPLAYTRKIND:
1443 args->cmd = CDIOCPLAYTRACKS;
1444 error = (sys_ioctl(td, (struct ioctl_args *)args));
1445 break;
1446
1447 case LINUX_CDROMREADTOCHDR: {
1448 struct ioc_toc_header th;
1449 struct linux_cdrom_tochdr lth;
1450 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1451 td->td_ucred, td);
1452 if (!error) {
1453 lth.cdth_trk0 = th.starting_track;
1454 lth.cdth_trk1 = th.ending_track;
1455 copyout(<h, (void *)args->arg, sizeof(lth));
1456 }
1457 break;
1458 }
1459
1460 case LINUX_CDROMREADTOCENTRY: {
1461 struct linux_cdrom_tocentry lte;
1462 struct ioc_read_toc_single_entry irtse;
1463
1464 error = copyin((void *)args->arg, <e, sizeof(lte));
1465 if (error)
1466 break;
1467 irtse.address_format = lte.cdte_format;
1468 irtse.track = lte.cdte_track;
1469 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1470 td->td_ucred, td);
1471 if (!error) {
1472 lte.cdte_ctrl = irtse.entry.control;
1473 lte.cdte_adr = irtse.entry.addr_type;
1474 bsd_to_linux_msf_lba(irtse.address_format,
1475 &irtse.entry.addr, <e.cdte_addr);
1476 error = copyout(<e, (void *)args->arg, sizeof(lte));
1477 }
1478 break;
1479 }
1480
1481 case LINUX_CDROMSTOP:
1482 args->cmd = CDIOCSTOP;
1483 error = (sys_ioctl(td, (struct ioctl_args *)args));
1484 break;
1485
1486 case LINUX_CDROMSTART:
1487 args->cmd = CDIOCSTART;
1488 error = (sys_ioctl(td, (struct ioctl_args *)args));
1489 break;
1490
1491 case LINUX_CDROMEJECT:
1492 args->cmd = CDIOCEJECT;
1493 error = (sys_ioctl(td, (struct ioctl_args *)args));
1494 break;
1495
1496 /* LINUX_CDROMVOLCTRL */
1497
1498 case LINUX_CDROMSUBCHNL: {
1499 struct linux_cdrom_subchnl sc;
1500 struct ioc_read_subchannel bsdsc;
1501 struct cd_sub_channel_info bsdinfo;
1502
1503 error = copyin((void *)args->arg, &sc, sizeof(sc));
1504 if (error)
1505 break;
1506
1507 /*
1508 * Invoke the native ioctl and bounce the returned data through
1509 * the userspace buffer. This works because the Linux structure
1510 * is the same size as our structures for the subchannel header
1511 * and position data.
1512 */
1513 bsdsc.address_format = CD_LBA_FORMAT;
1514 bsdsc.data_format = CD_CURRENT_POSITION;
1515 bsdsc.track = 0;
1516 bsdsc.data_len = sizeof(sc);
1517 bsdsc.data = (void *)args->arg;
1518 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc,
1519 td->td_ucred, td);
1520 if (error)
1521 break;
1522 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo));
1523 if (error)
1524 break;
1525 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1526 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1527 sc.cdsc_ctrl = bsdinfo.what.position.control;
1528 sc.cdsc_trk = bsdinfo.what.position.track_number;
1529 sc.cdsc_ind = bsdinfo.what.position.index_number;
1530 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1531 bsdinfo.what.position.absaddr.lba);
1532 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1533 bsdinfo.what.position.reladdr.lba);
1534 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1535 break;
1536 }
1537
1538 /* LINUX_CDROMREADMODE2 */
1539 /* LINUX_CDROMREADMODE1 */
1540 /* LINUX_CDROMREADAUDIO */
1541 /* LINUX_CDROMEJECT_SW */
1542 /* LINUX_CDROMMULTISESSION */
1543 /* LINUX_CDROM_GET_UPC */
1544
1545 case LINUX_CDROMRESET:
1546 args->cmd = CDIOCRESET;
1547 error = (sys_ioctl(td, (struct ioctl_args *)args));
1548 break;
1549
1550 /* LINUX_CDROMVOLREAD */
1551 /* LINUX_CDROMREADRAW */
1552 /* LINUX_CDROMREADCOOKED */
1553 /* LINUX_CDROMSEEK */
1554 /* LINUX_CDROMPLAYBLK */
1555 /* LINUX_CDROMREADALL */
1556 /* LINUX_CDROMCLOSETRAY */
1557 /* LINUX_CDROMLOADFROMSLOT */
1558 /* LINUX_CDROMGETSPINDOWN */
1559 /* LINUX_CDROMSETSPINDOWN */
1560 /* LINUX_CDROM_SET_OPTIONS */
1561 /* LINUX_CDROM_CLEAR_OPTIONS */
1562 /* LINUX_CDROM_SELECT_SPEED */
1563 /* LINUX_CDROM_SELECT_DISC */
1564 /* LINUX_CDROM_MEDIA_CHANGED */
1565 /* LINUX_CDROM_DRIVE_STATUS */
1566 /* LINUX_CDROM_DISC_STATUS */
1567 /* LINUX_CDROM_CHANGER_NSLOTS */
1568 /* LINUX_CDROM_LOCKDOOR */
1569 /* LINUX_CDROM_DEBUG */
1570 /* LINUX_CDROM_GET_CAPABILITY */
1571 /* LINUX_CDROMAUDIOBUFSIZ */
1572
1573 case LINUX_DVD_READ_STRUCT: {
1574 l_dvd_struct *lds;
1575 struct dvd_struct *bds;
1576
1577 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1578 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1579 error = copyin((void *)args->arg, lds, sizeof(*lds));
1580 if (error)
1581 goto out;
1582 error = linux_to_bsd_dvd_struct(lds, bds);
1583 if (error)
1584 goto out;
1585 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1586 td->td_ucred, td);
1587 if (error)
1588 goto out;
1589 error = bsd_to_linux_dvd_struct(bds, lds);
1590 if (error)
1591 goto out;
1592 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1593 out:
1594 free(bds, M_LINUX);
1595 free(lds, M_LINUX);
1596 break;
1597 }
1598
1599 /* LINUX_DVD_WRITE_STRUCT */
1600
1601 case LINUX_DVD_AUTH: {
1602 l_dvd_authinfo lda;
1603 struct dvd_authinfo bda;
1604 int bcode;
1605
1606 error = copyin((void *)args->arg, &lda, sizeof(lda));
1607 if (error)
1608 break;
1609 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1610 if (error)
1611 break;
1612 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1613 td);
1614 if (error) {
1615 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1616 lda.type = LINUX_DVD_AUTH_FAILURE;
1617 copyout(&lda, (void *)args->arg, sizeof(lda));
1618 }
1619 break;
1620 }
1621 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1622 if (error)
1623 break;
1624 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1625 break;
1626 }
1627
1628 case LINUX_SCSI_GET_BUS_NUMBER:
1629 {
1630 struct sg_scsi_id id;
1631
1632 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1633 td->td_ucred, td);
1634 if (error)
1635 break;
1636 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1637 break;
1638 }
1639
1640 case LINUX_SCSI_GET_IDLUN:
1641 {
1642 struct sg_scsi_id id;
1643 struct scsi_idlun idl;
1644
1645 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1646 td->td_ucred, td);
1647 if (error)
1648 break;
1649 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1650 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1651 idl.host_unique_id = id.host_no;
1652 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1653 break;
1654 }
1655
1656 /* LINUX_CDROM_SEND_PACKET */
1657 /* LINUX_CDROM_NEXT_WRITABLE */
1658 /* LINUX_CDROM_LAST_WRITTEN */
1659
1660 default:
1661 error = ENOIOCTL;
1662 break;
1663 }
1664
1665 fdrop(fp, td);
1666 return (error);
1667 }
1668
1669 static int
1670 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1671 {
1672
1673 return (ENOTTY);
1674 }
1675
1676 /*
1677 * Sound related ioctls
1678 */
1679
1680 struct linux_old_mixer_info {
1681 char id[16];
1682 char name[32];
1683 };
1684
1685 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1686
1687 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1688
1689 static int
1690 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1691 {
1692
1693 switch (args->cmd & 0xffff) {
1694 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1695 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1696 return (sys_ioctl(td, (struct ioctl_args *)args));
1697
1698 case LINUX_SOUND_MIXER_WRITE_BASS:
1699 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1700 return (sys_ioctl(td, (struct ioctl_args *)args));
1701
1702 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1704 return (sys_ioctl(td, (struct ioctl_args *)args));
1705
1706 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1708 return (sys_ioctl(td, (struct ioctl_args *)args));
1709
1710 case LINUX_SOUND_MIXER_WRITE_PCM:
1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1712 return (sys_ioctl(td, (struct ioctl_args *)args));
1713
1714 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1716 return (sys_ioctl(td, (struct ioctl_args *)args));
1717
1718 case LINUX_SOUND_MIXER_WRITE_LINE:
1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1720 return (sys_ioctl(td, (struct ioctl_args *)args));
1721
1722 case LINUX_SOUND_MIXER_WRITE_MIC:
1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1724 return (sys_ioctl(td, (struct ioctl_args *)args));
1725
1726 case LINUX_SOUND_MIXER_WRITE_CD:
1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1728 return (sys_ioctl(td, (struct ioctl_args *)args));
1729
1730 case LINUX_SOUND_MIXER_WRITE_IMIX:
1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1732 return (sys_ioctl(td, (struct ioctl_args *)args));
1733
1734 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1736 return (sys_ioctl(td, (struct ioctl_args *)args));
1737
1738 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1740 return (sys_ioctl(td, (struct ioctl_args *)args));
1741
1742 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1744 return (sys_ioctl(td, (struct ioctl_args *)args));
1745
1746 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1748 return (sys_ioctl(td, (struct ioctl_args *)args));
1749
1750 case LINUX_SOUND_MIXER_WRITE_LINE1:
1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1752 return (sys_ioctl(td, (struct ioctl_args *)args));
1753
1754 case LINUX_SOUND_MIXER_WRITE_LINE2:
1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1756 return (sys_ioctl(td, (struct ioctl_args *)args));
1757
1758 case LINUX_SOUND_MIXER_WRITE_LINE3:
1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1760 return (sys_ioctl(td, (struct ioctl_args *)args));
1761
1762 case LINUX_SOUND_MIXER_WRITE_MONITOR:
1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR);
1764 return (sys_ioctl(td, (struct ioctl_args *)args));
1765
1766 case LINUX_SOUND_MIXER_INFO: {
1767 /* Key on encoded length */
1768 switch ((args->cmd >> 16) & 0x1fff) {
1769 case 0x005c: { /* SOUND_MIXER_INFO */
1770 args->cmd = SOUND_MIXER_INFO;
1771 return (sys_ioctl(td, (struct ioctl_args *)args));
1772 }
1773 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1774 struct linux_old_mixer_info info;
1775 bzero(&info, sizeof(info));
1776 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1777 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1778 copyout(&info, (void *)args->arg, sizeof(info));
1779 return (0);
1780 }
1781 default:
1782 return (ENOIOCTL);
1783 }
1784 break;
1785 }
1786
1787 case LINUX_OSS_GETVERSION: {
1788 int version = linux_get_oss_version(td);
1789 return (copyout(&version, (void *)args->arg, sizeof(int)));
1790 }
1791
1792 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1793 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1794 return (sys_ioctl(td, (struct ioctl_args *)args));
1795
1796 case LINUX_SOUND_MIXER_READ_CAPS:
1797 args->cmd = SOUND_MIXER_READ_CAPS;
1798 return (sys_ioctl(td, (struct ioctl_args *)args));
1799
1800 case LINUX_SOUND_MIXER_READ_RECMASK:
1801 args->cmd = SOUND_MIXER_READ_RECMASK;
1802 return (sys_ioctl(td, (struct ioctl_args *)args));
1803
1804 case LINUX_SOUND_MIXER_READ_DEVMASK:
1805 args->cmd = SOUND_MIXER_READ_DEVMASK;
1806 return (sys_ioctl(td, (struct ioctl_args *)args));
1807
1808 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1809 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1810 return (sys_ioctl(td, (struct ioctl_args *)args));
1811
1812 case LINUX_SNDCTL_DSP_RESET:
1813 args->cmd = SNDCTL_DSP_RESET;
1814 return (sys_ioctl(td, (struct ioctl_args *)args));
1815
1816 case LINUX_SNDCTL_DSP_SYNC:
1817 args->cmd = SNDCTL_DSP_SYNC;
1818 return (sys_ioctl(td, (struct ioctl_args *)args));
1819
1820 case LINUX_SNDCTL_DSP_SPEED:
1821 args->cmd = SNDCTL_DSP_SPEED;
1822 return (sys_ioctl(td, (struct ioctl_args *)args));
1823
1824 case LINUX_SNDCTL_DSP_STEREO:
1825 args->cmd = SNDCTL_DSP_STEREO;
1826 return (sys_ioctl(td, (struct ioctl_args *)args));
1827
1828 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1829 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1830 return (sys_ioctl(td, (struct ioctl_args *)args));
1831
1832 case LINUX_SNDCTL_DSP_SETFMT:
1833 args->cmd = SNDCTL_DSP_SETFMT;
1834 return (sys_ioctl(td, (struct ioctl_args *)args));
1835
1836 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1837 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1838 return (sys_ioctl(td, (struct ioctl_args *)args));
1839
1840 case LINUX_SOUND_PCM_WRITE_FILTER:
1841 args->cmd = SOUND_PCM_WRITE_FILTER;
1842 return (sys_ioctl(td, (struct ioctl_args *)args));
1843
1844 case LINUX_SNDCTL_DSP_POST:
1845 args->cmd = SNDCTL_DSP_POST;
1846 return (sys_ioctl(td, (struct ioctl_args *)args));
1847
1848 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1849 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1850 return (sys_ioctl(td, (struct ioctl_args *)args));
1851
1852 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1853 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1854 return (sys_ioctl(td, (struct ioctl_args *)args));
1855
1856 case LINUX_SNDCTL_DSP_GETFMTS:
1857 args->cmd = SNDCTL_DSP_GETFMTS;
1858 return (sys_ioctl(td, (struct ioctl_args *)args));
1859
1860 case LINUX_SNDCTL_DSP_GETOSPACE:
1861 args->cmd = SNDCTL_DSP_GETOSPACE;
1862 return (sys_ioctl(td, (struct ioctl_args *)args));
1863
1864 case LINUX_SNDCTL_DSP_GETISPACE:
1865 args->cmd = SNDCTL_DSP_GETISPACE;
1866 return (sys_ioctl(td, (struct ioctl_args *)args));
1867
1868 case LINUX_SNDCTL_DSP_NONBLOCK:
1869 args->cmd = SNDCTL_DSP_NONBLOCK;
1870 return (sys_ioctl(td, (struct ioctl_args *)args));
1871
1872 case LINUX_SNDCTL_DSP_GETCAPS:
1873 args->cmd = SNDCTL_DSP_GETCAPS;
1874 return (sys_ioctl(td, (struct ioctl_args *)args));
1875
1876 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1877 args->cmd = SNDCTL_DSP_SETTRIGGER;
1878 return (sys_ioctl(td, (struct ioctl_args *)args));
1879
1880 case LINUX_SNDCTL_DSP_GETIPTR:
1881 args->cmd = SNDCTL_DSP_GETIPTR;
1882 return (sys_ioctl(td, (struct ioctl_args *)args));
1883
1884 case LINUX_SNDCTL_DSP_GETOPTR:
1885 args->cmd = SNDCTL_DSP_GETOPTR;
1886 return (sys_ioctl(td, (struct ioctl_args *)args));
1887
1888 case LINUX_SNDCTL_DSP_SETDUPLEX:
1889 args->cmd = SNDCTL_DSP_SETDUPLEX;
1890 return (sys_ioctl(td, (struct ioctl_args *)args));
1891
1892 case LINUX_SNDCTL_DSP_GETODELAY:
1893 args->cmd = SNDCTL_DSP_GETODELAY;
1894 return (sys_ioctl(td, (struct ioctl_args *)args));
1895
1896 case LINUX_SNDCTL_SEQ_RESET:
1897 args->cmd = SNDCTL_SEQ_RESET;
1898 return (sys_ioctl(td, (struct ioctl_args *)args));
1899
1900 case LINUX_SNDCTL_SEQ_SYNC:
1901 args->cmd = SNDCTL_SEQ_SYNC;
1902 return (sys_ioctl(td, (struct ioctl_args *)args));
1903
1904 case LINUX_SNDCTL_SYNTH_INFO:
1905 args->cmd = SNDCTL_SYNTH_INFO;
1906 return (sys_ioctl(td, (struct ioctl_args *)args));
1907
1908 case LINUX_SNDCTL_SEQ_CTRLRATE:
1909 args->cmd = SNDCTL_SEQ_CTRLRATE;
1910 return (sys_ioctl(td, (struct ioctl_args *)args));
1911
1912 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1913 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1914 return (sys_ioctl(td, (struct ioctl_args *)args));
1915
1916 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1917 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1918 return (sys_ioctl(td, (struct ioctl_args *)args));
1919
1920 case LINUX_SNDCTL_SEQ_PERCMODE:
1921 args->cmd = SNDCTL_SEQ_PERCMODE;
1922 return (sys_ioctl(td, (struct ioctl_args *)args));
1923
1924 case LINUX_SNDCTL_FM_LOAD_INSTR:
1925 args->cmd = SNDCTL_FM_LOAD_INSTR;
1926 return (sys_ioctl(td, (struct ioctl_args *)args));
1927
1928 case LINUX_SNDCTL_SEQ_TESTMIDI:
1929 args->cmd = SNDCTL_SEQ_TESTMIDI;
1930 return (sys_ioctl(td, (struct ioctl_args *)args));
1931
1932 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1933 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1934 return (sys_ioctl(td, (struct ioctl_args *)args));
1935
1936 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1937 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1938 return (sys_ioctl(td, (struct ioctl_args *)args));
1939
1940 case LINUX_SNDCTL_SEQ_NRMIDIS:
1941 args->cmd = SNDCTL_SEQ_NRMIDIS;
1942 return (sys_ioctl(td, (struct ioctl_args *)args));
1943
1944 case LINUX_SNDCTL_MIDI_INFO:
1945 args->cmd = SNDCTL_MIDI_INFO;
1946 return (sys_ioctl(td, (struct ioctl_args *)args));
1947
1948 case LINUX_SNDCTL_SEQ_TRESHOLD:
1949 args->cmd = SNDCTL_SEQ_TRESHOLD;
1950 return (sys_ioctl(td, (struct ioctl_args *)args));
1951
1952 case LINUX_SNDCTL_SYNTH_MEMAVL:
1953 args->cmd = SNDCTL_SYNTH_MEMAVL;
1954 return (sys_ioctl(td, (struct ioctl_args *)args));
1955 }
1956
1957 return (ENOIOCTL);
1958 }
1959
1960 /*
1961 * Console related ioctls
1962 */
1963
1964 static int
1965 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1966 {
1967 struct file *fp;
1968 int error;
1969
1970 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1971 if (error != 0)
1972 return (error);
1973 switch (args->cmd & 0xffff) {
1974 case LINUX_KIOCSOUND:
1975 args->cmd = KIOCSOUND;
1976 error = (sys_ioctl(td, (struct ioctl_args *)args));
1977 break;
1978
1979 case LINUX_KDMKTONE:
1980 args->cmd = KDMKTONE;
1981 error = (sys_ioctl(td, (struct ioctl_args *)args));
1982 break;
1983
1984 case LINUX_KDGETLED:
1985 args->cmd = KDGETLED;
1986 error = (sys_ioctl(td, (struct ioctl_args *)args));
1987 break;
1988
1989 case LINUX_KDSETLED:
1990 args->cmd = KDSETLED;
1991 error = (sys_ioctl(td, (struct ioctl_args *)args));
1992 break;
1993
1994 case LINUX_KDSETMODE:
1995 args->cmd = KDSETMODE;
1996 error = (sys_ioctl(td, (struct ioctl_args *)args));
1997 break;
1998
1999 case LINUX_KDGETMODE:
2000 args->cmd = KDGETMODE;
2001 error = (sys_ioctl(td, (struct ioctl_args *)args));
2002 break;
2003
2004 case LINUX_KDGKBMODE:
2005 args->cmd = KDGKBMODE;
2006 error = (sys_ioctl(td, (struct ioctl_args *)args));
2007 break;
2008
2009 case LINUX_KDSKBMODE: {
2010 int kbdmode;
2011 switch (args->arg) {
2012 case LINUX_KBD_RAW:
2013 kbdmode = K_RAW;
2014 break;
2015 case LINUX_KBD_XLATE:
2016 kbdmode = K_XLATE;
2017 break;
2018 case LINUX_KBD_MEDIUMRAW:
2019 kbdmode = K_RAW;
2020 break;
2021 default:
2022 fdrop(fp, td);
2023 return (EINVAL);
2024 }
2025 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2026 td->td_ucred, td));
2027 break;
2028 }
2029
2030 case LINUX_VT_OPENQRY:
2031 args->cmd = VT_OPENQRY;
2032 error = (sys_ioctl(td, (struct ioctl_args *)args));
2033 break;
2034
2035 case LINUX_VT_GETMODE:
2036 args->cmd = VT_GETMODE;
2037 error = (sys_ioctl(td, (struct ioctl_args *)args));
2038 break;
2039
2040 case LINUX_VT_SETMODE: {
2041 struct vt_mode mode;
2042 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2043 break;
2044 if (LINUX_SIG_VALID(mode.relsig))
2045 mode.relsig = linux_to_bsd_signal(mode.relsig);
2046 else
2047 mode.relsig = 0;
2048 if (LINUX_SIG_VALID(mode.acqsig))
2049 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2050 else
2051 mode.acqsig = 0;
2052 /* XXX. Linux ignores frsig and set it to 0. */
2053 mode.frsig = 0;
2054 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2055 break;
2056 args->cmd = VT_SETMODE;
2057 error = (sys_ioctl(td, (struct ioctl_args *)args));
2058 break;
2059 }
2060
2061 case LINUX_VT_GETSTATE:
2062 args->cmd = VT_GETACTIVE;
2063 error = (sys_ioctl(td, (struct ioctl_args *)args));
2064 break;
2065
2066 case LINUX_VT_RELDISP:
2067 args->cmd = VT_RELDISP;
2068 error = (sys_ioctl(td, (struct ioctl_args *)args));
2069 break;
2070
2071 case LINUX_VT_ACTIVATE:
2072 args->cmd = VT_ACTIVATE;
2073 error = (sys_ioctl(td, (struct ioctl_args *)args));
2074 break;
2075
2076 case LINUX_VT_WAITACTIVE:
2077 args->cmd = VT_WAITACTIVE;
2078 error = (sys_ioctl(td, (struct ioctl_args *)args));
2079 break;
2080
2081 default:
2082 error = ENOIOCTL;
2083 break;
2084 }
2085
2086 fdrop(fp, td);
2087 return (error);
2088 }
2089
2090 /*
2091 * Implement the SIOCGIFNAME ioctl
2092 */
2093
2094 static int
2095 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr)
2096 {
2097 struct l_ifreq ifr;
2098 struct ifnet *ifp;
2099 int error, ethno, index;
2100
2101 error = copyin(uifr, &ifr, sizeof(ifr));
2102 if (error != 0)
2103 return (error);
2104
2105 CURVNET_SET(TD_TO_VNET(curthread));
2106 IFNET_RLOCK();
2107 index = 1; /* ifr.ifr_ifindex starts from 1 */
2108 ethno = 0;
2109 error = ENODEV;
2110 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2111 if (ifr.ifr_ifindex == index) {
2112 if (IFP_IS_ETH(ifp))
2113 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ,
2114 "eth%d", ethno);
2115 else
2116 strlcpy(ifr.ifr_name, ifp->if_xname,
2117 LINUX_IFNAMSIZ);
2118 error = 0;
2119 break;
2120 }
2121 if (IFP_IS_ETH(ifp))
2122 ethno++;
2123 index++;
2124 }
2125 IFNET_RUNLOCK();
2126 if (error == 0)
2127 error = copyout(&ifr, uifr, sizeof(ifr));
2128 CURVNET_RESTORE();
2129
2130 return (error);
2131 }
2132
2133 /*
2134 * Implement the SIOCGIFCONF ioctl
2135 */
2136
2137 static int
2138 linux_ifconf(struct thread *td, struct ifconf *uifc)
2139 {
2140 #ifdef COMPAT_LINUX32
2141 struct l_ifconf ifc;
2142 #else
2143 struct ifconf ifc;
2144 #endif
2145 struct l_ifreq ifr;
2146 struct ifnet *ifp;
2147 struct ifaddr *ifa;
2148 struct sbuf *sb;
2149 int error, ethno, full = 0, valid_len, max_len;
2150
2151 error = copyin(uifc, &ifc, sizeof(ifc));
2152 if (error != 0)
2153 return (error);
2154
2155 max_len = maxphys - 1;
2156
2157 CURVNET_SET(TD_TO_VNET(td));
2158 /* handle the 'request buffer size' case */
2159 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) {
2160 ifc.ifc_len = 0;
2161 IFNET_RLOCK();
2162 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2163 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2164 struct sockaddr *sa = ifa->ifa_addr;
2165 if (sa->sa_family == AF_INET)
2166 ifc.ifc_len += sizeof(ifr);
2167 }
2168 }
2169 IFNET_RUNLOCK();
2170 error = copyout(&ifc, uifc, sizeof(ifc));
2171 CURVNET_RESTORE();
2172 return (error);
2173 }
2174
2175 if (ifc.ifc_len <= 0) {
2176 CURVNET_RESTORE();
2177 return (EINVAL);
2178 }
2179
2180 again:
2181 /* Keep track of eth interfaces */
2182 ethno = 0;
2183 if (ifc.ifc_len <= max_len) {
2184 max_len = ifc.ifc_len;
2185 full = 1;
2186 }
2187 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2188 max_len = 0;
2189 valid_len = 0;
2190
2191 /* Return all AF_INET addresses of all interfaces */
2192 IFNET_RLOCK();
2193 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2194 int addrs = 0;
2195
2196 bzero(&ifr, sizeof(ifr));
2197 if (IFP_IS_ETH(ifp))
2198 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2199 ethno++);
2200 else
2201 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2202
2203 /* Walk the address list */
2204 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2205 struct sockaddr *sa = ifa->ifa_addr;
2206
2207 if (sa->sa_family == AF_INET) {
2208 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2209 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2210 sizeof(ifr.ifr_addr.sa_data));
2211 sbuf_bcat(sb, &ifr, sizeof(ifr));
2212 max_len += sizeof(ifr);
2213 addrs++;
2214 }
2215
2216 if (sbuf_error(sb) == 0)
2217 valid_len = sbuf_len(sb);
2218 }
2219 if (addrs == 0) {
2220 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2221 sbuf_bcat(sb, &ifr, sizeof(ifr));
2222 max_len += sizeof(ifr);
2223
2224 if (sbuf_error(sb) == 0)
2225 valid_len = sbuf_len(sb);
2226 }
2227 }
2228 IFNET_RUNLOCK();
2229
2230 if (valid_len != max_len && !full) {
2231 sbuf_delete(sb);
2232 goto again;
2233 }
2234
2235 ifc.ifc_len = valid_len;
2236 sbuf_finish(sb);
2237 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2238 if (error == 0)
2239 error = copyout(&ifc, uifc, sizeof(ifc));
2240 sbuf_delete(sb);
2241 CURVNET_RESTORE();
2242
2243 return (error);
2244 }
2245
2246 static int
2247 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2248 {
2249 l_short flags;
2250
2251 linux_ifflags(ifp, &flags);
2252
2253 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2254 }
2255
2256 static int
2257 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2258 {
2259 struct l_sockaddr lsa;
2260
2261 if (linux_ifhwaddr(ifp, &lsa) != 0)
2262 return (ENOENT);
2263
2264 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2265 }
2266
2267 /*
2268 * If we fault in bsd_to_linux_ifreq() then we will fault when we call
2269 * the native ioctl(). Thus, we don't really need to check the return
2270 * value of this function.
2271 */
2272 static int
2273 bsd_to_linux_ifreq(struct ifreq *arg)
2274 {
2275 struct ifreq ifr;
2276 size_t ifr_len = sizeof(struct ifreq);
2277 int error;
2278
2279 if ((error = copyin(arg, &ifr, ifr_len)))
2280 return (error);
2281
2282 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2283
2284 error = copyout(&ifr, arg, ifr_len);
2285
2286 return (error);
2287 }
2288
2289 /*
2290 * Socket related ioctls
2291 */
2292
2293 static int
2294 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2295 {
2296 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2297 struct ifnet *ifp;
2298 struct file *fp;
2299 int error, type;
2300
2301 ifp = NULL;
2302 error = 0;
2303
2304 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2305 if (error != 0)
2306 return (error);
2307 type = fp->f_type;
2308 fdrop(fp, td);
2309 if (type != DTYPE_SOCKET) {
2310 /* not a socket - probably a tap / vmnet device */
2311 switch (args->cmd) {
2312 case LINUX_SIOCGIFADDR:
2313 case LINUX_SIOCSIFADDR:
2314 case LINUX_SIOCGIFFLAGS:
2315 return (linux_ioctl_special(td, args));
2316 default:
2317 return (ENOIOCTL);
2318 }
2319 }
2320
2321 switch (args->cmd & 0xffff) {
2322 case LINUX_FIOGETOWN:
2323 case LINUX_FIOSETOWN:
2324 case LINUX_SIOCADDMULTI:
2325 case LINUX_SIOCATMARK:
2326 case LINUX_SIOCDELMULTI:
2327 case LINUX_SIOCGIFNAME:
2328 case LINUX_SIOCGIFCONF:
2329 case LINUX_SIOCGPGRP:
2330 case LINUX_SIOCSPGRP:
2331 case LINUX_SIOCGIFCOUNT:
2332 /* these ioctls don't take an interface name */
2333 break;
2334
2335 case LINUX_SIOCGIFFLAGS:
2336 case LINUX_SIOCGIFADDR:
2337 case LINUX_SIOCSIFADDR:
2338 case LINUX_SIOCGIFDSTADDR:
2339 case LINUX_SIOCGIFBRDADDR:
2340 case LINUX_SIOCGIFNETMASK:
2341 case LINUX_SIOCSIFNETMASK:
2342 case LINUX_SIOCGIFMTU:
2343 case LINUX_SIOCSIFMTU:
2344 case LINUX_SIOCSIFNAME:
2345 case LINUX_SIOCGIFHWADDR:
2346 case LINUX_SIOCSIFHWADDR:
2347 case LINUX_SIOCDEVPRIVATE:
2348 case LINUX_SIOCDEVPRIVATE+1:
2349 case LINUX_SIOCGIFINDEX:
2350 /* copy in the interface name and translate it. */
2351 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2352 if (error != 0)
2353 return (error);
2354 memset(ifname, 0, sizeof(ifname));
2355 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2356 if (ifp == NULL)
2357 return (EINVAL);
2358 /*
2359 * We need to copy it back out in case we pass the
2360 * request on to our native ioctl(), which will expect
2361 * the ifreq to be in user space and have the correct
2362 * interface name.
2363 */
2364 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2365 if (error != 0)
2366 return (error);
2367 break;
2368
2369 default:
2370 return (ENOIOCTL);
2371 }
2372
2373 switch (args->cmd & 0xffff) {
2374 case LINUX_FIOSETOWN:
2375 args->cmd = FIOSETOWN;
2376 error = sys_ioctl(td, (struct ioctl_args *)args);
2377 break;
2378
2379 case LINUX_SIOCSPGRP:
2380 args->cmd = SIOCSPGRP;
2381 error = sys_ioctl(td, (struct ioctl_args *)args);
2382 break;
2383
2384 case LINUX_FIOGETOWN:
2385 args->cmd = FIOGETOWN;
2386 error = sys_ioctl(td, (struct ioctl_args *)args);
2387 break;
2388
2389 case LINUX_SIOCGPGRP:
2390 args->cmd = SIOCGPGRP;
2391 error = sys_ioctl(td, (struct ioctl_args *)args);
2392 break;
2393
2394 case LINUX_SIOCATMARK:
2395 args->cmd = SIOCATMARK;
2396 error = sys_ioctl(td, (struct ioctl_args *)args);
2397 break;
2398
2399 /* LINUX_SIOCGSTAMP */
2400
2401 case LINUX_SIOCGIFNAME:
2402 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg);
2403 break;
2404
2405 case LINUX_SIOCGIFCONF:
2406 error = linux_ifconf(td, (struct ifconf *)args->arg);
2407 break;
2408
2409 case LINUX_SIOCGIFFLAGS:
2410 args->cmd = SIOCGIFFLAGS;
2411 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2412 break;
2413
2414 case LINUX_SIOCGIFADDR:
2415 args->cmd = SIOCGIFADDR;
2416 error = sys_ioctl(td, (struct ioctl_args *)args);
2417 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2418 break;
2419
2420 case LINUX_SIOCSIFADDR:
2421 /* XXX probably doesn't work, included for completeness */
2422 args->cmd = SIOCSIFADDR;
2423 error = sys_ioctl(td, (struct ioctl_args *)args);
2424 break;
2425
2426 case LINUX_SIOCGIFDSTADDR:
2427 args->cmd = SIOCGIFDSTADDR;
2428 error = sys_ioctl(td, (struct ioctl_args *)args);
2429 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2430 break;
2431
2432 case LINUX_SIOCGIFBRDADDR:
2433 args->cmd = SIOCGIFBRDADDR;
2434 error = sys_ioctl(td, (struct ioctl_args *)args);
2435 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2436 break;
2437
2438 case LINUX_SIOCGIFNETMASK:
2439 args->cmd = SIOCGIFNETMASK;
2440 error = sys_ioctl(td, (struct ioctl_args *)args);
2441 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2442 break;
2443
2444 case LINUX_SIOCSIFNETMASK:
2445 error = ENOIOCTL;
2446 break;
2447
2448 case LINUX_SIOCGIFMTU:
2449 args->cmd = SIOCGIFMTU;
2450 error = sys_ioctl(td, (struct ioctl_args *)args);
2451 break;
2452
2453 case LINUX_SIOCSIFMTU:
2454 args->cmd = SIOCSIFMTU;
2455 error = sys_ioctl(td, (struct ioctl_args *)args);
2456 break;
2457
2458 case LINUX_SIOCSIFNAME:
2459 error = ENOIOCTL;
2460 break;
2461
2462 case LINUX_SIOCGIFHWADDR:
2463 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2464 break;
2465
2466 case LINUX_SIOCSIFHWADDR:
2467 error = ENOIOCTL;
2468 break;
2469
2470 case LINUX_SIOCADDMULTI:
2471 args->cmd = SIOCADDMULTI;
2472 error = sys_ioctl(td, (struct ioctl_args *)args);
2473 break;
2474
2475 case LINUX_SIOCDELMULTI:
2476 args->cmd = SIOCDELMULTI;
2477 error = sys_ioctl(td, (struct ioctl_args *)args);
2478 break;
2479
2480 case LINUX_SIOCGIFINDEX:
2481 args->cmd = SIOCGIFINDEX;
2482 error = sys_ioctl(td, (struct ioctl_args *)args);
2483 break;
2484
2485 case LINUX_SIOCGIFCOUNT:
2486 error = 0;
2487 break;
2488
2489 /*
2490 * XXX This is slightly bogus, but these ioctls are currently
2491 * XXX only used by the aironet (if_an) network driver.
2492 */
2493 case LINUX_SIOCDEVPRIVATE:
2494 args->cmd = SIOCGPRIVATE_0;
2495 error = sys_ioctl(td, (struct ioctl_args *)args);
2496 break;
2497
2498 case LINUX_SIOCDEVPRIVATE+1:
2499 args->cmd = SIOCGPRIVATE_1;
2500 error = sys_ioctl(td, (struct ioctl_args *)args);
2501 break;
2502 }
2503
2504 if (ifp != NULL)
2505 /* restore the original interface name */
2506 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2507
2508 return (error);
2509 }
2510
2511 /*
2512 * Device private ioctl handler
2513 */
2514 static int
2515 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2516 {
2517 struct file *fp;
2518 int error, type;
2519
2520 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2521 if (error != 0)
2522 return (error);
2523 type = fp->f_type;
2524 fdrop(fp, td);
2525 if (type == DTYPE_SOCKET)
2526 return (linux_ioctl_socket(td, args));
2527 return (ENOIOCTL);
2528 }
2529
2530 /*
2531 * DRM ioctl handler (sys/dev/drm)
2532 */
2533 static int
2534 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2535 {
2536 args->cmd = SETDIR(args->cmd);
2537 return (sys_ioctl(td, (struct ioctl_args *)args));
2538 }
2539
2540 #ifdef COMPAT_LINUX32
2541 static int
2542 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2543 {
2544 struct sg_io_hdr io;
2545 struct sg_io_hdr32 io32;
2546 struct file *fp;
2547 int error;
2548
2549 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2550 if (error != 0) {
2551 printf("sg_linux_ioctl: fget returned %d\n", error);
2552 return (error);
2553 }
2554
2555 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2556 goto out;
2557
2558 CP(io32, io, interface_id);
2559 CP(io32, io, dxfer_direction);
2560 CP(io32, io, cmd_len);
2561 CP(io32, io, mx_sb_len);
2562 CP(io32, io, iovec_count);
2563 CP(io32, io, dxfer_len);
2564 PTRIN_CP(io32, io, dxferp);
2565 PTRIN_CP(io32, io, cmdp);
2566 PTRIN_CP(io32, io, sbp);
2567 CP(io32, io, timeout);
2568 CP(io32, io, flags);
2569 CP(io32, io, pack_id);
2570 PTRIN_CP(io32, io, usr_ptr);
2571 CP(io32, io, status);
2572 CP(io32, io, masked_status);
2573 CP(io32, io, msg_status);
2574 CP(io32, io, sb_len_wr);
2575 CP(io32, io, host_status);
2576 CP(io32, io, driver_status);
2577 CP(io32, io, resid);
2578 CP(io32, io, duration);
2579 CP(io32, io, info);
2580
2581 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2582 goto out;
2583
2584 CP(io, io32, interface_id);
2585 CP(io, io32, dxfer_direction);
2586 CP(io, io32, cmd_len);
2587 CP(io, io32, mx_sb_len);
2588 CP(io, io32, iovec_count);
2589 CP(io, io32, dxfer_len);
2590 PTROUT_CP(io, io32, dxferp);
2591 PTROUT_CP(io, io32, cmdp);
2592 PTROUT_CP(io, io32, sbp);
2593 CP(io, io32, timeout);
2594 CP(io, io32, flags);
2595 CP(io, io32, pack_id);
2596 PTROUT_CP(io, io32, usr_ptr);
2597 CP(io, io32, status);
2598 CP(io, io32, masked_status);
2599 CP(io, io32, msg_status);
2600 CP(io, io32, sb_len_wr);
2601 CP(io, io32, host_status);
2602 CP(io, io32, driver_status);
2603 CP(io, io32, resid);
2604 CP(io, io32, duration);
2605 CP(io, io32, info);
2606
2607 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2608
2609 out:
2610 fdrop(fp, td);
2611 return (error);
2612 }
2613 #endif
2614
2615 static int
2616 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2617 {
2618
2619 switch (args->cmd) {
2620 case LINUX_SG_GET_VERSION_NUM:
2621 args->cmd = SG_GET_VERSION_NUM;
2622 break;
2623 case LINUX_SG_SET_TIMEOUT:
2624 args->cmd = SG_SET_TIMEOUT;
2625 break;
2626 case LINUX_SG_GET_TIMEOUT:
2627 args->cmd = SG_GET_TIMEOUT;
2628 break;
2629 case LINUX_SG_IO:
2630 args->cmd = SG_IO;
2631 #ifdef COMPAT_LINUX32
2632 return (linux_ioctl_sg_io(td, args));
2633 #endif
2634 break;
2635 case LINUX_SG_GET_RESERVED_SIZE:
2636 args->cmd = SG_GET_RESERVED_SIZE;
2637 break;
2638 case LINUX_SG_GET_SCSI_ID:
2639 args->cmd = SG_GET_SCSI_ID;
2640 break;
2641 case LINUX_SG_GET_SG_TABLESIZE:
2642 args->cmd = SG_GET_SG_TABLESIZE;
2643 break;
2644 default:
2645 return (ENODEV);
2646 }
2647 return (sys_ioctl(td, (struct ioctl_args *)args));
2648 }
2649
2650 /*
2651 * Video4Linux (V4L) ioctl handler
2652 */
2653 static int
2654 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2655 {
2656 vt->tuner = lvt->tuner;
2657 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2658 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2659 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2660 vt->flags = lvt->flags;
2661 vt->mode = lvt->mode;
2662 vt->signal = lvt->signal;
2663 return (0);
2664 }
2665
2666 static int
2667 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2668 {
2669 lvt->tuner = vt->tuner;
2670 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2671 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2672 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2673 lvt->flags = vt->flags;
2674 lvt->mode = vt->mode;
2675 lvt->signal = vt->signal;
2676 return (0);
2677 }
2678
2679 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2680 static int
2681 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2682 {
2683 vc->x = lvc->x;
2684 vc->y = lvc->y;
2685 vc->width = lvc->width;
2686 vc->height = lvc->height;
2687 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2688 return (0);
2689 }
2690 #endif
2691
2692 static int
2693 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2694 {
2695 vw->x = lvw->x;
2696 vw->y = lvw->y;
2697 vw->width = lvw->width;
2698 vw->height = lvw->height;
2699 vw->chromakey = lvw->chromakey;
2700 vw->flags = lvw->flags;
2701 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2702 vw->clipcount = lvw->clipcount;
2703 return (0);
2704 }
2705
2706 static int
2707 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2708 {
2709 memset(lvw, 0, sizeof(*lvw));
2710
2711 lvw->x = vw->x;
2712 lvw->y = vw->y;
2713 lvw->width = vw->width;
2714 lvw->height = vw->height;
2715 lvw->chromakey = vw->chromakey;
2716 lvw->flags = vw->flags;
2717 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2718 lvw->clipcount = vw->clipcount;
2719 return (0);
2720 }
2721
2722 static int
2723 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2724 {
2725 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2726 vb->height = lvb->height;
2727 vb->width = lvb->width;
2728 vb->depth = lvb->depth;
2729 vb->bytesperline = lvb->bytesperline;
2730 return (0);
2731 }
2732
2733 static int
2734 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2735 {
2736 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2737 lvb->height = vb->height;
2738 lvb->width = vb->width;
2739 lvb->depth = vb->depth;
2740 lvb->bytesperline = vb->bytesperline;
2741 return (0);
2742 }
2743
2744 static int
2745 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2746 {
2747 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2748 vc->datasize = lvc->datasize;
2749 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2750 return (0);
2751 }
2752
2753 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2754 static int
2755 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2756 {
2757 int error;
2758 struct video_clip vclip;
2759 struct l_video_clip l_vclip;
2760
2761 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2762 if (error) return (error);
2763 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2764 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2765 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2766 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */
2767 memcpy(*ppvc, &vclip, sizeof(vclip));
2768 (*ppvc)->next = NULL;
2769 return (0);
2770 }
2771
2772 static int
2773 linux_v4l_cliplist_free(struct video_window *vw)
2774 {
2775 struct video_clip **ppvc;
2776 struct video_clip **ppvc_next;
2777
2778 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2779 ppvc_next = &((*ppvc)->next);
2780 free(*ppvc, M_LINUX);
2781 }
2782 vw->clips = NULL;
2783
2784 return (0);
2785 }
2786
2787 static int
2788 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2789 {
2790 int error;
2791 int clipcount;
2792 void *plvc;
2793 struct video_clip **ppvc;
2794
2795 /*
2796 * XXX: The cliplist is used to pass in a list of clipping
2797 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2798 * clipping bitmap. Some Linux apps, however, appear to
2799 * leave cliplist and clips uninitialized. In any case,
2800 * the cliplist is not used by pwc(4), at the time of
2801 * writing, FreeBSD's only V4L driver. When a driver
2802 * that uses the cliplist is developed, this code may
2803 * need re-examiniation.
2804 */
2805 error = 0;
2806 clipcount = vw->clipcount;
2807 if (clipcount == VIDEO_CLIP_BITMAP) {
2808 /*
2809 * In this case, the pointer (clips) is overloaded
2810 * to be a "void *" to a bitmap, therefore there
2811 * is no struct video_clip to copy now.
2812 */
2813 } else if (clipcount > 0 && clipcount <= 16384) {
2814 /*
2815 * Clips points to list of clip rectangles, so
2816 * copy the list.
2817 *
2818 * XXX: Upper limit of 16384 was used here to try to
2819 * avoid cases when clipcount and clips pointer
2820 * are uninitialized and therefore have high random
2821 * values, as is the case in the Linux Skype
2822 * application. The value 16384 was chosen as that
2823 * is what is used in the Linux stradis(4) MPEG
2824 * decoder driver, the only place we found an
2825 * example of cliplist use.
2826 */
2827 plvc = PTRIN(lvw->clips);
2828 vw->clips = NULL;
2829 ppvc = &(vw->clips);
2830 while (clipcount-- > 0) {
2831 if (plvc == NULL) {
2832 error = EFAULT;
2833 break;
2834 } else {
2835 error = linux_v4l_clip_copy(plvc, ppvc);
2836 if (error) {
2837 linux_v4l_cliplist_free(vw);
2838 break;
2839 }
2840 }
2841 ppvc = &((*ppvc)->next);
2842 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2843 }
2844 } else {
2845 /*
2846 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2847 * Force cliplist to null.
2848 */
2849 vw->clipcount = 0;
2850 vw->clips = NULL;
2851 }
2852 return (error);
2853 }
2854 #endif
2855
2856 static int
2857 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2858 {
2859 struct file *fp;
2860 int error;
2861 struct video_tuner vtun;
2862 struct video_window vwin;
2863 struct video_buffer vbuf;
2864 struct video_code vcode;
2865 struct l_video_tuner l_vtun;
2866 struct l_video_window l_vwin;
2867 struct l_video_buffer l_vbuf;
2868 struct l_video_code l_vcode;
2869
2870 switch (args->cmd & 0xffff) {
2871 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2872 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2873 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2874
2875 case LINUX_VIDIOCGTUNER:
2876 error = fget(td, args->fd,
2877 &cap_ioctl_rights, &fp);
2878 if (error != 0)
2879 return (error);
2880 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2881 if (error) {
2882 fdrop(fp, td);
2883 return (error);
2884 }
2885 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2886 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2887 if (!error) {
2888 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2889 error = copyout(&l_vtun, (void *) args->arg,
2890 sizeof(l_vtun));
2891 }
2892 fdrop(fp, td);
2893 return (error);
2894
2895 case LINUX_VIDIOCSTUNER:
2896 error = fget(td, args->fd,
2897 &cap_ioctl_rights, &fp);
2898 if (error != 0)
2899 return (error);
2900 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2901 if (error) {
2902 fdrop(fp, td);
2903 return (error);
2904 }
2905 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2906 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2907 fdrop(fp, td);
2908 return (error);
2909
2910 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2911 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2912 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2913
2914 case LINUX_VIDIOCGWIN:
2915 error = fget(td, args->fd,
2916 &cap_ioctl_rights, &fp);
2917 if (error != 0)
2918 return (error);
2919 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2920 if (!error) {
2921 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2922 error = copyout(&l_vwin, (void *) args->arg,
2923 sizeof(l_vwin));
2924 }
2925 fdrop(fp, td);
2926 return (error);
2927
2928 case LINUX_VIDIOCSWIN:
2929 error = fget(td, args->fd,
2930 &cap_ioctl_rights, &fp);
2931 if (error != 0)
2932 return (error);
2933 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
2934 if (error) {
2935 fdrop(fp, td);
2936 return (error);
2937 }
2938 linux_to_bsd_v4l_window(&l_vwin, &vwin);
2939 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2940 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
2941 if (error) {
2942 fdrop(fp, td);
2943 return (error);
2944 }
2945 #endif
2946 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
2947 fdrop(fp, td);
2948 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2949 linux_v4l_cliplist_free(&vwin);
2950 #endif
2951 return (error);
2952
2953 case LINUX_VIDIOCGFBUF:
2954 error = fget(td, args->fd,
2955 &cap_ioctl_rights, &fp);
2956 if (error != 0)
2957 return (error);
2958 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
2959 if (!error) {
2960 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
2961 error = copyout(&l_vbuf, (void *) args->arg,
2962 sizeof(l_vbuf));
2963 }
2964 fdrop(fp, td);
2965 return (error);
2966
2967 case LINUX_VIDIOCSFBUF:
2968 error = fget(td, args->fd,
2969 &cap_ioctl_rights, &fp);
2970 if (error != 0)
2971 return (error);
2972 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
2973 if (error) {
2974 fdrop(fp, td);
2975 return (error);
2976 }
2977 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
2978 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
2979 fdrop(fp, td);
2980 return (error);
2981
2982 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
2983 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
2984 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
2985 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
2986 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
2987 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
2988 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
2989 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
2990 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
2991 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
2992 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
2993 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
2994 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
2995 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
2996
2997 case LINUX_VIDIOCSMICROCODE:
2998 error = fget(td, args->fd,
2999 &cap_ioctl_rights, &fp);
3000 if (error != 0)
3001 return (error);
3002 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
3003 if (error) {
3004 fdrop(fp, td);
3005 return (error);
3006 }
3007 linux_to_bsd_v4l_code(&l_vcode, &vcode);
3008 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
3009 fdrop(fp, td);
3010 return (error);
3011
3012 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
3013 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
3014 default: return (ENOIOCTL);
3015 }
3016
3017 error = sys_ioctl(td, (struct ioctl_args *)args);
3018 return (error);
3019 }
3020
3021 /*
3022 * Special ioctl handler
3023 */
3024 static int
3025 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
3026 {
3027 int error;
3028
3029 switch (args->cmd) {
3030 case LINUX_SIOCGIFADDR:
3031 args->cmd = SIOCGIFADDR;
3032 error = sys_ioctl(td, (struct ioctl_args *)args);
3033 break;
3034 case LINUX_SIOCSIFADDR:
3035 args->cmd = SIOCSIFADDR;
3036 error = sys_ioctl(td, (struct ioctl_args *)args);
3037 break;
3038 case LINUX_SIOCGIFFLAGS:
3039 args->cmd = SIOCGIFFLAGS;
3040 error = sys_ioctl(td, (struct ioctl_args *)args);
3041 break;
3042 default:
3043 error = ENOIOCTL;
3044 }
3045
3046 return (error);
3047 }
3048
3049 static int
3050 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3051 {
3052 vstd->index = lvstd->index;
3053 vstd->id = lvstd->id;
3054 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3055 memcpy(vstd->name, lvstd->name, sizeof(vstd->name));
3056 vstd->frameperiod = lvstd->frameperiod;
3057 vstd->framelines = lvstd->framelines;
3058 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3059 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved));
3060 return (0);
3061 }
3062
3063 static int
3064 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3065 {
3066 lvstd->index = vstd->index;
3067 lvstd->id = vstd->id;
3068 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3069 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name));
3070 lvstd->frameperiod = vstd->frameperiod;
3071 lvstd->framelines = vstd->framelines;
3072 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3073 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved));
3074 return (0);
3075 }
3076
3077 static int
3078 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3079 {
3080 vb->index = lvb->index;
3081 vb->type = lvb->type;
3082 vb->bytesused = lvb->bytesused;
3083 vb->flags = lvb->flags;
3084 vb->field = lvb->field;
3085 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3086 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3087 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3088 vb->sequence = lvb->sequence;
3089 vb->memory = lvb->memory;
3090 if (lvb->memory == V4L2_MEMORY_USERPTR)
3091 /* possible pointer size conversion */
3092 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3093 else
3094 vb->m.offset = lvb->m.offset;
3095 vb->length = lvb->length;
3096 vb->input = lvb->input;
3097 vb->reserved = lvb->reserved;
3098 return (0);
3099 }
3100
3101 static int
3102 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3103 {
3104 lvb->index = vb->index;
3105 lvb->type = vb->type;
3106 lvb->bytesused = vb->bytesused;
3107 lvb->flags = vb->flags;
3108 lvb->field = vb->field;
3109 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3110 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3111 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3112 lvb->sequence = vb->sequence;
3113 lvb->memory = vb->memory;
3114 if (vb->memory == V4L2_MEMORY_USERPTR)
3115 /* possible pointer size conversion */
3116 lvb->m.userptr = PTROUT(vb->m.userptr);
3117 else
3118 lvb->m.offset = vb->m.offset;
3119 lvb->length = vb->length;
3120 lvb->input = vb->input;
3121 lvb->reserved = vb->reserved;
3122 return (0);
3123 }
3124
3125 static int
3126 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3127 {
3128 vf->type = lvf->type;
3129 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3130 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3131 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3132 #endif
3133 )
3134 /*
3135 * XXX TODO - needs 32 -> 64 bit conversion:
3136 * (unused by webcams?)
3137 */
3138 return (EINVAL);
3139 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3140 return (0);
3141 }
3142
3143 static int
3144 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3145 {
3146 lvf->type = vf->type;
3147 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3148 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3149 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3150 #endif
3151 )
3152 /*
3153 * XXX TODO - needs 32 -> 64 bit conversion:
3154 * (unused by webcams?)
3155 */
3156 return (EINVAL);
3157 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3158 return (0);
3159 }
3160 static int
3161 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3162 {
3163 struct file *fp;
3164 int error;
3165 struct v4l2_format vformat;
3166 struct l_v4l2_format l_vformat;
3167 struct v4l2_standard vstd;
3168 struct l_v4l2_standard l_vstd;
3169 struct l_v4l2_buffer l_vbuf;
3170 struct v4l2_buffer vbuf;
3171 struct v4l2_input vinp;
3172
3173 switch (args->cmd & 0xffff) {
3174 case LINUX_VIDIOC_RESERVED:
3175 case LINUX_VIDIOC_LOG_STATUS:
3176 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3177 return (ENOIOCTL);
3178 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3179 break;
3180
3181 case LINUX_VIDIOC_OVERLAY:
3182 case LINUX_VIDIOC_STREAMON:
3183 case LINUX_VIDIOC_STREAMOFF:
3184 case LINUX_VIDIOC_S_STD:
3185 case LINUX_VIDIOC_S_TUNER:
3186 case LINUX_VIDIOC_S_AUDIO:
3187 case LINUX_VIDIOC_S_AUDOUT:
3188 case LINUX_VIDIOC_S_MODULATOR:
3189 case LINUX_VIDIOC_S_FREQUENCY:
3190 case LINUX_VIDIOC_S_CROP:
3191 case LINUX_VIDIOC_S_JPEGCOMP:
3192 case LINUX_VIDIOC_S_PRIORITY:
3193 case LINUX_VIDIOC_DBG_S_REGISTER:
3194 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3195 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3196 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3197 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3198 break;
3199
3200 case LINUX_VIDIOC_QUERYCAP:
3201 case LINUX_VIDIOC_G_STD:
3202 case LINUX_VIDIOC_G_AUDIO:
3203 case LINUX_VIDIOC_G_INPUT:
3204 case LINUX_VIDIOC_G_OUTPUT:
3205 case LINUX_VIDIOC_G_AUDOUT:
3206 case LINUX_VIDIOC_G_JPEGCOMP:
3207 case LINUX_VIDIOC_QUERYSTD:
3208 case LINUX_VIDIOC_G_PRIORITY:
3209 case LINUX_VIDIOC_QUERY_DV_PRESET:
3210 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3211 break;
3212
3213 case LINUX_VIDIOC_ENUM_FMT:
3214 case LINUX_VIDIOC_REQBUFS:
3215 case LINUX_VIDIOC_G_PARM:
3216 case LINUX_VIDIOC_S_PARM:
3217 case LINUX_VIDIOC_G_CTRL:
3218 case LINUX_VIDIOC_S_CTRL:
3219 case LINUX_VIDIOC_G_TUNER:
3220 case LINUX_VIDIOC_QUERYCTRL:
3221 case LINUX_VIDIOC_QUERYMENU:
3222 case LINUX_VIDIOC_S_INPUT:
3223 case LINUX_VIDIOC_S_OUTPUT:
3224 case LINUX_VIDIOC_ENUMOUTPUT:
3225 case LINUX_VIDIOC_G_MODULATOR:
3226 case LINUX_VIDIOC_G_FREQUENCY:
3227 case LINUX_VIDIOC_CROPCAP:
3228 case LINUX_VIDIOC_G_CROP:
3229 case LINUX_VIDIOC_ENUMAUDIO:
3230 case LINUX_VIDIOC_ENUMAUDOUT:
3231 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3232 #ifdef VIDIOC_ENUM_FRAMESIZES
3233 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3234 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3235 case LINUX_VIDIOC_ENCODER_CMD:
3236 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3237 #endif
3238 case LINUX_VIDIOC_DBG_G_REGISTER:
3239 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3240 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3241 case LINUX_VIDIOC_S_DV_PRESET:
3242 case LINUX_VIDIOC_G_DV_PRESET:
3243 case LINUX_VIDIOC_S_DV_TIMINGS:
3244 case LINUX_VIDIOC_G_DV_TIMINGS:
3245 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3246 break;
3247
3248 case LINUX_VIDIOC_G_FMT:
3249 case LINUX_VIDIOC_S_FMT:
3250 case LINUX_VIDIOC_TRY_FMT:
3251 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3252 if (error)
3253 return (error);
3254 error = fget(td, args->fd,
3255 &cap_ioctl_rights, &fp);
3256 if (error)
3257 return (error);
3258 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3259 error = EINVAL;
3260 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3261 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3262 td->td_ucred, td);
3263 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3264 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3265 td->td_ucred, td);
3266 else
3267 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3268 td->td_ucred, td);
3269 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3270 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
3271 fdrop(fp, td);
3272 return (error);
3273
3274 case LINUX_VIDIOC_ENUMSTD:
3275 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3276 if (error)
3277 return (error);
3278 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3279 error = fget(td, args->fd,
3280 &cap_ioctl_rights, &fp);
3281 if (error)
3282 return (error);
3283 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3284 td->td_ucred, td);
3285 if (error) {
3286 fdrop(fp, td);
3287 return (error);
3288 }
3289 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3290 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3291 fdrop(fp, td);
3292 return (error);
3293
3294 case LINUX_VIDIOC_ENUMINPUT:
3295 /*
3296 * The Linux struct l_v4l2_input differs only in size,
3297 * it has no padding at the end.
3298 */
3299 error = copyin((void *)args->arg, &vinp,
3300 sizeof(struct l_v4l2_input));
3301 if (error != 0)
3302 return (error);
3303 error = fget(td, args->fd,
3304 &cap_ioctl_rights, &fp);
3305 if (error != 0)
3306 return (error);
3307 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3308 td->td_ucred, td);
3309 if (error) {
3310 fdrop(fp, td);
3311 return (error);
3312 }
3313 error = copyout(&vinp, (void *)args->arg,
3314 sizeof(struct l_v4l2_input));
3315 fdrop(fp, td);
3316 return (error);
3317
3318 case LINUX_VIDIOC_QUERYBUF:
3319 case LINUX_VIDIOC_QBUF:
3320 case LINUX_VIDIOC_DQBUF:
3321 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3322 if (error)
3323 return (error);
3324 error = fget(td, args->fd,
3325 &cap_ioctl_rights, &fp);
3326 if (error)
3327 return (error);
3328 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3329 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3330 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3331 td->td_ucred, td);
3332 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3333 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3334 td->td_ucred, td);
3335 else
3336 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3337 td->td_ucred, td);
3338 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3339 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
3340 fdrop(fp, td);
3341 return (error);
3342
3343 /*
3344 * XXX TODO - these need 32 -> 64 bit conversion:
3345 * (are any of them needed for webcams?)
3346 */
3347 case LINUX_VIDIOC_G_FBUF:
3348 case LINUX_VIDIOC_S_FBUF:
3349
3350 case LINUX_VIDIOC_G_EXT_CTRLS:
3351 case LINUX_VIDIOC_S_EXT_CTRLS:
3352 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3353
3354 case LINUX_VIDIOC_DQEVENT:
3355
3356 default: return (ENOIOCTL);
3357 }
3358
3359 error = sys_ioctl(td, (struct ioctl_args *)args);
3360 return (error);
3361 }
3362
3363 /*
3364 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3365 * instead of USB* ones. This lets us to provide correct values for cmd.
3366 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3367 */
3368 static int
3369 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3370 {
3371 int error;
3372
3373 error = 0;
3374 switch (args->cmd) {
3375 case FBSD_LUSB_DEVICEENUMERATE:
3376 args->cmd = USB_DEVICEENUMERATE;
3377 break;
3378 case FBSD_LUSB_DEV_QUIRK_ADD:
3379 args->cmd = USB_DEV_QUIRK_ADD;
3380 break;
3381 case FBSD_LUSB_DEV_QUIRK_GET:
3382 args->cmd = USB_DEV_QUIRK_GET;
3383 break;
3384 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3385 args->cmd = USB_DEV_QUIRK_REMOVE;
3386 break;
3387 case FBSD_LUSB_DO_REQUEST:
3388 args->cmd = USB_DO_REQUEST;
3389 break;
3390 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3391 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3392 break;
3393 case FBSD_LUSB_FS_CLOSE:
3394 args->cmd = USB_FS_CLOSE;
3395 break;
3396 case FBSD_LUSB_FS_COMPLETE:
3397 args->cmd = USB_FS_COMPLETE;
3398 break;
3399 case FBSD_LUSB_FS_INIT:
3400 args->cmd = USB_FS_INIT;
3401 break;
3402 case FBSD_LUSB_FS_OPEN:
3403 args->cmd = USB_FS_OPEN;
3404 break;
3405 case FBSD_LUSB_FS_START:
3406 args->cmd = USB_FS_START;
3407 break;
3408 case FBSD_LUSB_FS_STOP:
3409 args->cmd = USB_FS_STOP;
3410 break;
3411 case FBSD_LUSB_FS_UNINIT:
3412 args->cmd = USB_FS_UNINIT;
3413 break;
3414 case FBSD_LUSB_GET_CONFIG:
3415 args->cmd = USB_GET_CONFIG;
3416 break;
3417 case FBSD_LUSB_GET_DEVICEINFO:
3418 args->cmd = USB_GET_DEVICEINFO;
3419 break;
3420 case FBSD_LUSB_GET_DEVICE_DESC:
3421 args->cmd = USB_GET_DEVICE_DESC;
3422 break;
3423 case FBSD_LUSB_GET_FULL_DESC:
3424 args->cmd = USB_GET_FULL_DESC;
3425 break;
3426 case FBSD_LUSB_GET_IFACE_DRIVER:
3427 args->cmd = USB_GET_IFACE_DRIVER;
3428 break;
3429 case FBSD_LUSB_GET_PLUGTIME:
3430 args->cmd = USB_GET_PLUGTIME;
3431 break;
3432 case FBSD_LUSB_GET_POWER_MODE:
3433 args->cmd = USB_GET_POWER_MODE;
3434 break;
3435 case FBSD_LUSB_GET_REPORT_DESC:
3436 args->cmd = USB_GET_REPORT_DESC;
3437 break;
3438 case FBSD_LUSB_GET_REPORT_ID:
3439 args->cmd = USB_GET_REPORT_ID;
3440 break;
3441 case FBSD_LUSB_GET_TEMPLATE:
3442 args->cmd = USB_GET_TEMPLATE;
3443 break;
3444 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3445 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3446 break;
3447 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3448 args->cmd = USB_IFACE_DRIVER_DETACH;
3449 break;
3450 case FBSD_LUSB_QUIRK_NAME_GET:
3451 args->cmd = USB_QUIRK_NAME_GET;
3452 break;
3453 case FBSD_LUSB_READ_DIR:
3454 args->cmd = USB_READ_DIR;
3455 break;
3456 case FBSD_LUSB_SET_ALTINTERFACE:
3457 args->cmd = USB_SET_ALTINTERFACE;
3458 break;
3459 case FBSD_LUSB_SET_CONFIG:
3460 args->cmd = USB_SET_CONFIG;
3461 break;
3462 case FBSD_LUSB_SET_IMMED:
3463 args->cmd = USB_SET_IMMED;
3464 break;
3465 case FBSD_LUSB_SET_POWER_MODE:
3466 args->cmd = USB_SET_POWER_MODE;
3467 break;
3468 case FBSD_LUSB_SET_TEMPLATE:
3469 args->cmd = USB_SET_TEMPLATE;
3470 break;
3471 case FBSD_LUSB_FS_OPEN_STREAM:
3472 args->cmd = USB_FS_OPEN_STREAM;
3473 break;
3474 case FBSD_LUSB_GET_DEV_PORT_PATH:
3475 args->cmd = USB_GET_DEV_PORT_PATH;
3476 break;
3477 case FBSD_LUSB_GET_POWER_USAGE:
3478 args->cmd = USB_GET_POWER_USAGE;
3479 break;
3480 case FBSD_LUSB_DEVICESTATS:
3481 args->cmd = USB_DEVICESTATS;
3482 break;
3483 default:
3484 error = ENOIOCTL;
3485 }
3486 if (error != ENOIOCTL)
3487 error = sys_ioctl(td, (struct ioctl_args *)args);
3488 return (error);
3489 }
3490
3491 /*
3492 * Some evdev ioctls must be translated.
3493 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data
3494 * (must be IOC_INOUT on FreeBSD).
3495 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with
3496 * an int argument. You don't pass an int pointer to the ioctl(), however,
3497 * but just the int directly. On FreeBSD, they are defined as _IOWINT for
3498 * this to work.
3499 */
3500 static int
3501 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args)
3502 {
3503 struct file *fp;
3504 clockid_t clock;
3505 int error;
3506
3507 args->cmd = SETDIR(args->cmd);
3508
3509 switch (args->cmd) {
3510 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN:
3511 args->cmd = EVIOCGRAB;
3512 break;
3513 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN:
3514 args->cmd = EVIOCREVOKE;
3515 break;
3516 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN:
3517 args->cmd = EVIOCRMFF;
3518 break;
3519 case EVIOCSCLOCKID: {
3520 error = copyin(PTRIN(args->arg), &clock, sizeof(clock));
3521 if (error != 0)
3522 return (error);
3523 if (clock & ~(LINUX_IOCTL_EVDEV_CLK))
3524 return (EINVAL);
3525 error = linux_to_native_clockid(&clock, clock);
3526 if (error != 0)
3527 return (error);
3528
3529 error = fget(td, args->fd,
3530 &cap_ioctl_rights, &fp);
3531 if (error != 0)
3532 return (error);
3533
3534 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td);
3535 fdrop(fp, td);
3536 return (error);
3537 }
3538 default:
3539 break;
3540 }
3541
3542 if (IOCBASECMD(args->cmd) ==
3543 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT))
3544 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3545
3546 return (sys_ioctl(td, (struct ioctl_args *)args));
3547 }
3548
3549 static int
3550 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args)
3551 {
3552 int error;
3553
3554 error = 0;
3555 switch (args->cmd & 0xffff) {
3556 case LINUX_KCOV_INIT_TRACE:
3557 args->cmd = KIOSETBUFSIZE;
3558 break;
3559 case LINUX_KCOV_ENABLE:
3560 args->cmd = KIOENABLE;
3561 if (args->arg == 0)
3562 args->arg = KCOV_MODE_TRACE_PC;
3563 else if (args->arg == 1)
3564 args->arg = KCOV_MODE_TRACE_CMP;
3565 else
3566 error = EINVAL;
3567 break;
3568 case LINUX_KCOV_DISABLE:
3569 args->cmd = KIODISABLE;
3570 break;
3571 default:
3572 error = ENOTTY;
3573 break;
3574 }
3575
3576 if (error == 0)
3577 error = sys_ioctl(td, (struct ioctl_args *)args);
3578 return (error);
3579 }
3580
3581 /*
3582 * main ioctl syscall function
3583 */
3584
3585 static int
3586 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args)
3587 {
3588 struct file *fp;
3589 struct linux_ioctl_handler_element *he;
3590 int error, cmd;
3591
3592 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
3593 if (error != 0)
3594 return (error);
3595 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3596 fdrop(fp, td);
3597 return (EBADF);
3598 }
3599
3600 /* Iterate over the ioctl handlers */
3601 cmd = args->cmd & 0xffff;
3602 sx_slock(&linux_ioctl_sx);
3603 mtx_lock(&Giant);
3604 #ifdef COMPAT_LINUX32
3605 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3606 if (cmd >= he->low && cmd <= he->high) {
3607 error = (*he->func)(td, args);
3608 if (error != ENOIOCTL) {
3609 mtx_unlock(&Giant);
3610 sx_sunlock(&linux_ioctl_sx);
3611 fdrop(fp, td);
3612 return (error);
3613 }
3614 }
3615 }
3616 #endif
3617 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3618 if (cmd >= he->low && cmd <= he->high) {
3619 error = (*he->func)(td, args);
3620 if (error != ENOIOCTL) {
3621 mtx_unlock(&Giant);
3622 sx_sunlock(&linux_ioctl_sx);
3623 fdrop(fp, td);
3624 return (error);
3625 }
3626 }
3627 }
3628 mtx_unlock(&Giant);
3629 sx_sunlock(&linux_ioctl_sx);
3630 fdrop(fp, td);
3631
3632 switch (args->cmd & 0xffff) {
3633 case LINUX_BTRFS_IOC_CLONE:
3634 case LINUX_F2FS_IOC_GET_FEATURES:
3635 case LINUX_FS_IOC_FIEMAP:
3636 return (ENOTSUP);
3637
3638 default:
3639 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3640 __func__, args->fd, args->cmd,
3641 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3642 break;
3643 }
3644
3645 return (EINVAL);
3646 }
3647
3648 int
3649 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3650 {
3651 struct linux_ioctl_handler *handler;
3652 int error, cmd, i;
3653
3654 cmd = args->cmd & 0xffff;
3655
3656 /*
3657 * array of ioctls known at compilation time. Elides a lot of work on
3658 * each call compared to the list variant. Everything frequently used
3659 * should be moved here.
3660 *
3661 * Arguably the magic creating the list should create an array instead.
3662 *
3663 * For now just a linear scan.
3664 */
3665 for (i = 0; i < nitems(linux_ioctls); i++) {
3666 handler = &linux_ioctls[i];
3667 if (cmd >= handler->low && cmd <= handler->high) {
3668 error = (*handler->func)(td, args);
3669 if (error != ENOIOCTL) {
3670 return (error);
3671 }
3672 }
3673 }
3674 return (linux_ioctl_fallback(td, args));
3675 }
3676
3677 int
3678 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3679 {
3680 struct linux_ioctl_handler_element *he, *cur;
3681
3682 if (h == NULL || h->func == NULL)
3683 return (EINVAL);
3684
3685 /*
3686 * Reuse the element if the handler is already on the list, otherwise
3687 * create a new element.
3688 */
3689 sx_xlock(&linux_ioctl_sx);
3690 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3691 if (he->func == h->func)
3692 break;
3693 }
3694 if (he == NULL) {
3695 he = malloc(sizeof(*he),
3696 M_LINUX, M_WAITOK);
3697 he->func = h->func;
3698 } else
3699 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3700
3701 /* Initialize range information. */
3702 he->low = h->low;
3703 he->high = h->high;
3704 he->span = h->high - h->low + 1;
3705
3706 /* Add the element to the list, sorted on span. */
3707 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) {
3708 if (cur->span > he->span) {
3709 TAILQ_INSERT_BEFORE(cur, he, list);
3710 sx_xunlock(&linux_ioctl_sx);
3711 return (0);
3712 }
3713 }
3714 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list);
3715 sx_xunlock(&linux_ioctl_sx);
3716
3717 return (0);
3718 }
3719
3720 int
3721 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3722 {
3723 struct linux_ioctl_handler_element *he;
3724
3725 if (h == NULL || h->func == NULL)
3726 return (EINVAL);
3727
3728 sx_xlock(&linux_ioctl_sx);
3729 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3730 if (he->func == h->func) {
3731 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3732 sx_xunlock(&linux_ioctl_sx);
3733 free(he, M_LINUX);
3734 return (0);
3735 }
3736 }
3737 sx_xunlock(&linux_ioctl_sx);
3738
3739 return (EINVAL);
3740 }
3741
3742 #ifdef COMPAT_LINUX32
3743 int
3744 linux32_ioctl_register_handler(struct linux_ioctl_handler *h)
3745 {
3746 struct linux_ioctl_handler_element *he, *cur;
3747
3748 if (h == NULL || h->func == NULL)
3749 return (EINVAL);
3750
3751 /*
3752 * Reuse the element if the handler is already on the list, otherwise
3753 * create a new element.
3754 */
3755 sx_xlock(&linux_ioctl_sx);
3756 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3757 if (he->func == h->func)
3758 break;
3759 }
3760 if (he == NULL) {
3761 he = malloc(sizeof(*he), M_LINUX, M_WAITOK);
3762 he->func = h->func;
3763 } else
3764 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3765
3766 /* Initialize range information. */
3767 he->low = h->low;
3768 he->high = h->high;
3769 he->span = h->high - h->low + 1;
3770
3771 /* Add the element to the list, sorted on span. */
3772 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) {
3773 if (cur->span > he->span) {
3774 TAILQ_INSERT_BEFORE(cur, he, list);
3775 sx_xunlock(&linux_ioctl_sx);
3776 return (0);
3777 }
3778 }
3779 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list);
3780 sx_xunlock(&linux_ioctl_sx);
3781
3782 return (0);
3783 }
3784
3785 int
3786 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3787 {
3788 struct linux_ioctl_handler_element *he;
3789
3790 if (h == NULL || h->func == NULL)
3791 return (EINVAL);
3792
3793 sx_xlock(&linux_ioctl_sx);
3794 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3795 if (he->func == h->func) {
3796 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3797 sx_xunlock(&linux_ioctl_sx);
3798 free(he, M_LINUX);
3799 return (0);
3800 }
3801 }
3802 sx_xunlock(&linux_ioctl_sx);
3803
3804 return (EINVAL);
3805 }
3806 #endif
Cache object: c07206ee07e0b8dcce21f731372f807e
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