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 uint8_t heads;
163 uint8_t sectors;
164 uint16_t cylinders;
165 uint32_t start;
166 };
167
168 struct linux_hd_big_geometry {
169 uint8_t heads;
170 uint8_t sectors;
171 uint32_t cylinders;
172 uint32_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 case LINUX_TCSBRK:
759 if (args->arg != 0) {
760 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred,
761 td));
762 } else {
763 linux_msg(td, "ioctl TCSBRK arg 0 not implemented");
764 error = ENOIOCTL;
765 }
766 break;
767
768 case LINUX_TCXONC: {
769 switch (args->arg) {
770 case LINUX_TCOOFF:
771 args->cmd = TIOCSTOP;
772 break;
773 case LINUX_TCOON:
774 args->cmd = TIOCSTART;
775 break;
776 case LINUX_TCIOFF:
777 case LINUX_TCION: {
778 int c;
779 struct write_args wr;
780 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
781 td->td_ucred, td);
782 if (error)
783 break;
784 fdrop(fp, td);
785 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
786 c = bios.c_cc[c];
787 if (c != _POSIX_VDISABLE) {
788 wr.fd = args->fd;
789 wr.buf = &c;
790 wr.nbyte = sizeof(c);
791 return (sys_write(td, &wr));
792 } else
793 return (0);
794 }
795 default:
796 fdrop(fp, td);
797 return (EINVAL);
798 }
799 args->arg = 0;
800 error = (sys_ioctl(td, (struct ioctl_args *)args));
801 break;
802 }
803
804 case LINUX_TCFLSH: {
805 int val;
806 switch (args->arg) {
807 case LINUX_TCIFLUSH:
808 val = FREAD;
809 break;
810 case LINUX_TCOFLUSH:
811 val = FWRITE;
812 break;
813 case LINUX_TCIOFLUSH:
814 val = FREAD | FWRITE;
815 break;
816 default:
817 fdrop(fp, td);
818 return (EINVAL);
819 }
820 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
821 break;
822 }
823
824 case LINUX_TIOCEXCL:
825 args->cmd = TIOCEXCL;
826 error = (sys_ioctl(td, (struct ioctl_args *)args));
827 break;
828
829 case LINUX_TIOCNXCL:
830 args->cmd = TIOCNXCL;
831 error = (sys_ioctl(td, (struct ioctl_args *)args));
832 break;
833
834 case LINUX_TIOCSCTTY:
835 args->cmd = TIOCSCTTY;
836 error = (sys_ioctl(td, (struct ioctl_args *)args));
837 break;
838
839 case LINUX_TIOCGPGRP:
840 args->cmd = TIOCGPGRP;
841 error = (sys_ioctl(td, (struct ioctl_args *)args));
842 break;
843
844 case LINUX_TIOCSPGRP:
845 args->cmd = TIOCSPGRP;
846 error = (sys_ioctl(td, (struct ioctl_args *)args));
847 break;
848
849 /* LINUX_TIOCOUTQ */
850 /* LINUX_TIOCSTI */
851
852 case LINUX_TIOCGWINSZ:
853 args->cmd = TIOCGWINSZ;
854 error = (sys_ioctl(td, (struct ioctl_args *)args));
855 break;
856
857 case LINUX_TIOCSWINSZ:
858 args->cmd = TIOCSWINSZ;
859 error = (sys_ioctl(td, (struct ioctl_args *)args));
860 break;
861
862 case LINUX_TIOCMGET:
863 args->cmd = TIOCMGET;
864 error = (sys_ioctl(td, (struct ioctl_args *)args));
865 break;
866
867 case LINUX_TIOCMBIS:
868 args->cmd = TIOCMBIS;
869 error = (sys_ioctl(td, (struct ioctl_args *)args));
870 break;
871
872 case LINUX_TIOCMBIC:
873 args->cmd = TIOCMBIC;
874 error = (sys_ioctl(td, (struct ioctl_args *)args));
875 break;
876
877 case LINUX_TIOCMSET:
878 args->cmd = TIOCMSET;
879 error = (sys_ioctl(td, (struct ioctl_args *)args));
880 break;
881
882 /* TIOCGSOFTCAR */
883 /* TIOCSSOFTCAR */
884
885 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
886 args->cmd = FIONREAD;
887 error = (sys_ioctl(td, (struct ioctl_args *)args));
888 break;
889
890 /* LINUX_TIOCLINUX */
891
892 case LINUX_TIOCCONS:
893 args->cmd = TIOCCONS;
894 error = (sys_ioctl(td, (struct ioctl_args *)args));
895 break;
896
897 case LINUX_TIOCGSERIAL: {
898 struct linux_serial_struct lss;
899
900 bzero(&lss, sizeof(lss));
901 lss.type = LINUX_PORT_16550A;
902 lss.flags = 0;
903 lss.close_delay = 0;
904 error = copyout(&lss, (void *)args->arg, sizeof(lss));
905 break;
906 }
907
908 case LINUX_TIOCSSERIAL: {
909 struct linux_serial_struct lss;
910 error = copyin((void *)args->arg, &lss, sizeof(lss));
911 if (error)
912 break;
913 /* XXX - It really helps to have an implementation that
914 * does nothing. NOT!
915 */
916 error = 0;
917 break;
918 }
919
920 case LINUX_TIOCPKT:
921 args->cmd = TIOCPKT;
922 error = (sys_ioctl(td, (struct ioctl_args *)args));
923 break;
924
925 case LINUX_FIONBIO:
926 args->cmd = FIONBIO;
927 error = (sys_ioctl(td, (struct ioctl_args *)args));
928 break;
929
930 case LINUX_TIOCNOTTY:
931 args->cmd = TIOCNOTTY;
932 error = (sys_ioctl(td, (struct ioctl_args *)args));
933 break;
934
935 case LINUX_TIOCSETD: {
936 int line;
937 switch (args->arg) {
938 case LINUX_N_TTY:
939 line = TTYDISC;
940 break;
941 case LINUX_N_SLIP:
942 line = SLIPDISC;
943 break;
944 case LINUX_N_PPP:
945 line = PPPDISC;
946 break;
947 default:
948 fdrop(fp, td);
949 return (EINVAL);
950 }
951 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
952 td));
953 break;
954 }
955
956 case LINUX_TIOCGETD: {
957 int linux_line;
958 int bsd_line = TTYDISC;
959 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
960 td->td_ucred, td);
961 if (error)
962 break;
963 switch (bsd_line) {
964 case TTYDISC:
965 linux_line = LINUX_N_TTY;
966 break;
967 case SLIPDISC:
968 linux_line = LINUX_N_SLIP;
969 break;
970 case PPPDISC:
971 linux_line = LINUX_N_PPP;
972 break;
973 default:
974 fdrop(fp, td);
975 return (EINVAL);
976 }
977 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
978 break;
979 }
980
981 /* LINUX_TCSBRKP */
982 /* LINUX_TIOCTTYGSTRUCT */
983
984 case LINUX_FIONCLEX:
985 args->cmd = FIONCLEX;
986 error = (sys_ioctl(td, (struct ioctl_args *)args));
987 break;
988
989 case LINUX_FIOCLEX:
990 args->cmd = FIOCLEX;
991 error = (sys_ioctl(td, (struct ioctl_args *)args));
992 break;
993
994 case LINUX_FIOASYNC:
995 args->cmd = FIOASYNC;
996 error = (sys_ioctl(td, (struct ioctl_args *)args));
997 break;
998
999 /* LINUX_TIOCSERCONFIG */
1000 /* LINUX_TIOCSERGWILD */
1001 /* LINUX_TIOCSERSWILD */
1002 /* LINUX_TIOCGLCKTRMIOS */
1003 /* LINUX_TIOCSLCKTRMIOS */
1004
1005 case LINUX_TIOCSBRK:
1006 args->cmd = TIOCSBRK;
1007 error = (sys_ioctl(td, (struct ioctl_args *)args));
1008 break;
1009
1010 case LINUX_TIOCCBRK:
1011 args->cmd = TIOCCBRK;
1012 error = (sys_ioctl(td, (struct ioctl_args *)args));
1013 break;
1014 case LINUX_TIOCGPTN: {
1015 int nb;
1016
1017 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1018 if (!error)
1019 error = copyout(&nb, (void *)args->arg,
1020 sizeof(int));
1021 break;
1022 }
1023 case LINUX_TIOCGPTPEER:
1024 linux_msg(td, "unsupported ioctl TIOCGPTPEER");
1025 error = ENOIOCTL;
1026 break;
1027 case LINUX_TIOCSPTLCK:
1028 /* Our unlockpt() does nothing. */
1029 error = 0;
1030 break;
1031 default:
1032 error = ENOIOCTL;
1033 break;
1034 }
1035
1036 fdrop(fp, td);
1037 return (error);
1038 }
1039
1040 /*
1041 * CDROM related ioctls
1042 */
1043
1044 struct linux_cdrom_msf
1045 {
1046 u_char cdmsf_min0;
1047 u_char cdmsf_sec0;
1048 u_char cdmsf_frame0;
1049 u_char cdmsf_min1;
1050 u_char cdmsf_sec1;
1051 u_char cdmsf_frame1;
1052 };
1053
1054 struct linux_cdrom_tochdr
1055 {
1056 u_char cdth_trk0;
1057 u_char cdth_trk1;
1058 };
1059
1060 union linux_cdrom_addr
1061 {
1062 struct {
1063 u_char minute;
1064 u_char second;
1065 u_char frame;
1066 } msf;
1067 int lba;
1068 };
1069
1070 struct linux_cdrom_tocentry
1071 {
1072 u_char cdte_track;
1073 u_char cdte_adr:4;
1074 u_char cdte_ctrl:4;
1075 u_char cdte_format;
1076 union linux_cdrom_addr cdte_addr;
1077 u_char cdte_datamode;
1078 };
1079
1080 struct linux_cdrom_subchnl
1081 {
1082 u_char cdsc_format;
1083 u_char cdsc_audiostatus;
1084 u_char cdsc_adr:4;
1085 u_char cdsc_ctrl:4;
1086 u_char cdsc_trk;
1087 u_char cdsc_ind;
1088 union linux_cdrom_addr cdsc_absaddr;
1089 union linux_cdrom_addr cdsc_reladdr;
1090 };
1091
1092 struct l_cdrom_read_audio {
1093 union linux_cdrom_addr addr;
1094 u_char addr_format;
1095 l_int nframes;
1096 u_char *buf;
1097 };
1098
1099 struct l_dvd_layer {
1100 u_char book_version:4;
1101 u_char book_type:4;
1102 u_char min_rate:4;
1103 u_char disc_size:4;
1104 u_char layer_type:4;
1105 u_char track_path:1;
1106 u_char nlayers:2;
1107 u_char track_density:4;
1108 u_char linear_density:4;
1109 u_char bca:1;
1110 uint32_t start_sector;
1111 uint32_t end_sector;
1112 uint32_t end_sector_l0;
1113 };
1114
1115 struct l_dvd_physical {
1116 u_char type;
1117 u_char layer_num;
1118 struct l_dvd_layer layer[4];
1119 };
1120
1121 struct l_dvd_copyright {
1122 u_char type;
1123 u_char layer_num;
1124 u_char cpst;
1125 u_char rmi;
1126 };
1127
1128 struct l_dvd_disckey {
1129 u_char type;
1130 l_uint agid:2;
1131 u_char value[2048];
1132 };
1133
1134 struct l_dvd_bca {
1135 u_char type;
1136 l_int len;
1137 u_char value[188];
1138 };
1139
1140 struct l_dvd_manufact {
1141 u_char type;
1142 u_char layer_num;
1143 l_int len;
1144 u_char value[2048];
1145 };
1146
1147 typedef union {
1148 u_char type;
1149 struct l_dvd_physical physical;
1150 struct l_dvd_copyright copyright;
1151 struct l_dvd_disckey disckey;
1152 struct l_dvd_bca bca;
1153 struct l_dvd_manufact manufact;
1154 } l_dvd_struct;
1155
1156 typedef u_char l_dvd_key[5];
1157 typedef u_char l_dvd_challenge[10];
1158
1159 struct l_dvd_lu_send_agid {
1160 u_char type;
1161 l_uint agid:2;
1162 };
1163
1164 struct l_dvd_host_send_challenge {
1165 u_char type;
1166 l_uint agid:2;
1167 l_dvd_challenge chal;
1168 };
1169
1170 struct l_dvd_send_key {
1171 u_char type;
1172 l_uint agid:2;
1173 l_dvd_key key;
1174 };
1175
1176 struct l_dvd_lu_send_challenge {
1177 u_char type;
1178 l_uint agid:2;
1179 l_dvd_challenge chal;
1180 };
1181
1182 struct l_dvd_lu_send_title_key {
1183 u_char type;
1184 l_uint agid:2;
1185 l_dvd_key title_key;
1186 l_int lba;
1187 l_uint cpm:1;
1188 l_uint cp_sec:1;
1189 l_uint cgms:2;
1190 };
1191
1192 struct l_dvd_lu_send_asf {
1193 u_char type;
1194 l_uint agid:2;
1195 l_uint asf:1;
1196 };
1197
1198 struct l_dvd_host_send_rpcstate {
1199 u_char type;
1200 u_char pdrc;
1201 };
1202
1203 struct l_dvd_lu_send_rpcstate {
1204 u_char type:2;
1205 u_char vra:3;
1206 u_char ucca:3;
1207 u_char region_mask;
1208 u_char rpc_scheme;
1209 };
1210
1211 typedef union {
1212 u_char type;
1213 struct l_dvd_lu_send_agid lsa;
1214 struct l_dvd_host_send_challenge hsc;
1215 struct l_dvd_send_key lsk;
1216 struct l_dvd_lu_send_challenge lsc;
1217 struct l_dvd_send_key hsk;
1218 struct l_dvd_lu_send_title_key lstk;
1219 struct l_dvd_lu_send_asf lsasf;
1220 struct l_dvd_host_send_rpcstate hrpcs;
1221 struct l_dvd_lu_send_rpcstate lrpcs;
1222 } l_dvd_authinfo;
1223
1224 static void
1225 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1226 {
1227 if (af == CD_LBA_FORMAT)
1228 lp->lba = bp->lba;
1229 else {
1230 lp->msf.minute = bp->msf.minute;
1231 lp->msf.second = bp->msf.second;
1232 lp->msf.frame = bp->msf.frame;
1233 }
1234 }
1235
1236 static void
1237 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1238 {
1239 if (format == LINUX_CDROM_MSF) {
1240 addr->msf.frame = lba % 75;
1241 lba /= 75;
1242 lba += 2;
1243 addr->msf.second = lba % 60;
1244 addr->msf.minute = lba / 60;
1245 } else
1246 addr->lba = lba;
1247 }
1248
1249 static int
1250 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1251 {
1252 bp->format = lp->type;
1253 switch (bp->format) {
1254 case DVD_STRUCT_PHYSICAL:
1255 if (bp->layer_num >= 4)
1256 return (EINVAL);
1257 bp->layer_num = lp->physical.layer_num;
1258 break;
1259 case DVD_STRUCT_COPYRIGHT:
1260 bp->layer_num = lp->copyright.layer_num;
1261 break;
1262 case DVD_STRUCT_DISCKEY:
1263 bp->agid = lp->disckey.agid;
1264 break;
1265 case DVD_STRUCT_BCA:
1266 case DVD_STRUCT_MANUFACT:
1267 break;
1268 default:
1269 return (EINVAL);
1270 }
1271 return (0);
1272 }
1273
1274 static int
1275 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1276 {
1277 switch (bp->format) {
1278 case DVD_STRUCT_PHYSICAL: {
1279 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1280 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1281 memset(llp, 0, sizeof(*llp));
1282 llp->book_version = blp->book_version;
1283 llp->book_type = blp->book_type;
1284 llp->min_rate = blp->max_rate;
1285 llp->disc_size = blp->disc_size;
1286 llp->layer_type = blp->layer_type;
1287 llp->track_path = blp->track_path;
1288 llp->nlayers = blp->nlayers;
1289 llp->track_density = blp->track_density;
1290 llp->linear_density = blp->linear_density;
1291 llp->bca = blp->bca;
1292 llp->start_sector = blp->start_sector;
1293 llp->end_sector = blp->end_sector;
1294 llp->end_sector_l0 = blp->end_sector_l0;
1295 break;
1296 }
1297 case DVD_STRUCT_COPYRIGHT:
1298 lp->copyright.cpst = bp->cpst;
1299 lp->copyright.rmi = bp->rmi;
1300 break;
1301 case DVD_STRUCT_DISCKEY:
1302 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1303 break;
1304 case DVD_STRUCT_BCA:
1305 lp->bca.len = bp->length;
1306 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1307 break;
1308 case DVD_STRUCT_MANUFACT:
1309 lp->manufact.len = bp->length;
1310 memcpy(lp->manufact.value, bp->data,
1311 sizeof(lp->manufact.value));
1312 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */
1313 break;
1314 default:
1315 return (EINVAL);
1316 }
1317 return (0);
1318 }
1319
1320 static int
1321 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1322 struct dvd_authinfo *bp)
1323 {
1324 switch (lp->type) {
1325 case LINUX_DVD_LU_SEND_AGID:
1326 *bcode = DVDIOCREPORTKEY;
1327 bp->format = DVD_REPORT_AGID;
1328 bp->agid = lp->lsa.agid;
1329 break;
1330 case LINUX_DVD_HOST_SEND_CHALLENGE:
1331 *bcode = DVDIOCSENDKEY;
1332 bp->format = DVD_SEND_CHALLENGE;
1333 bp->agid = lp->hsc.agid;
1334 memcpy(bp->keychal, lp->hsc.chal, 10);
1335 break;
1336 case LINUX_DVD_LU_SEND_KEY1:
1337 *bcode = DVDIOCREPORTKEY;
1338 bp->format = DVD_REPORT_KEY1;
1339 bp->agid = lp->lsk.agid;
1340 break;
1341 case LINUX_DVD_LU_SEND_CHALLENGE:
1342 *bcode = DVDIOCREPORTKEY;
1343 bp->format = DVD_REPORT_CHALLENGE;
1344 bp->agid = lp->lsc.agid;
1345 break;
1346 case LINUX_DVD_HOST_SEND_KEY2:
1347 *bcode = DVDIOCSENDKEY;
1348 bp->format = DVD_SEND_KEY2;
1349 bp->agid = lp->hsk.agid;
1350 memcpy(bp->keychal, lp->hsk.key, 5);
1351 break;
1352 case LINUX_DVD_LU_SEND_TITLE_KEY:
1353 *bcode = DVDIOCREPORTKEY;
1354 bp->format = DVD_REPORT_TITLE_KEY;
1355 bp->agid = lp->lstk.agid;
1356 bp->lba = lp->lstk.lba;
1357 break;
1358 case LINUX_DVD_LU_SEND_ASF:
1359 *bcode = DVDIOCREPORTKEY;
1360 bp->format = DVD_REPORT_ASF;
1361 bp->agid = lp->lsasf.agid;
1362 break;
1363 case LINUX_DVD_INVALIDATE_AGID:
1364 *bcode = DVDIOCREPORTKEY;
1365 bp->format = DVD_INVALIDATE_AGID;
1366 bp->agid = lp->lsa.agid;
1367 break;
1368 case LINUX_DVD_LU_SEND_RPC_STATE:
1369 *bcode = DVDIOCREPORTKEY;
1370 bp->format = DVD_REPORT_RPC;
1371 break;
1372 case LINUX_DVD_HOST_SEND_RPC_STATE:
1373 *bcode = DVDIOCSENDKEY;
1374 bp->format = DVD_SEND_RPC;
1375 bp->region = lp->hrpcs.pdrc;
1376 break;
1377 default:
1378 return (EINVAL);
1379 }
1380 return (0);
1381 }
1382
1383 static int
1384 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1385 {
1386 switch (lp->type) {
1387 case LINUX_DVD_LU_SEND_AGID:
1388 lp->lsa.agid = bp->agid;
1389 break;
1390 case LINUX_DVD_HOST_SEND_CHALLENGE:
1391 lp->type = LINUX_DVD_LU_SEND_KEY1;
1392 break;
1393 case LINUX_DVD_LU_SEND_KEY1:
1394 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1395 break;
1396 case LINUX_DVD_LU_SEND_CHALLENGE:
1397 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1398 break;
1399 case LINUX_DVD_HOST_SEND_KEY2:
1400 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1401 break;
1402 case LINUX_DVD_LU_SEND_TITLE_KEY:
1403 memcpy(lp->lstk.title_key, bp->keychal,
1404 sizeof(lp->lstk.title_key));
1405 lp->lstk.cpm = bp->cpm;
1406 lp->lstk.cp_sec = bp->cp_sec;
1407 lp->lstk.cgms = bp->cgms;
1408 break;
1409 case LINUX_DVD_LU_SEND_ASF:
1410 lp->lsasf.asf = bp->asf;
1411 break;
1412 case LINUX_DVD_INVALIDATE_AGID:
1413 break;
1414 case LINUX_DVD_LU_SEND_RPC_STATE:
1415 lp->lrpcs.type = bp->reg_type;
1416 lp->lrpcs.vra = bp->vend_rsts;
1417 lp->lrpcs.ucca = bp->user_rsts;
1418 lp->lrpcs.region_mask = bp->region;
1419 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1420 break;
1421 case LINUX_DVD_HOST_SEND_RPC_STATE:
1422 break;
1423 default:
1424 return (EINVAL);
1425 }
1426 return (0);
1427 }
1428
1429 static int
1430 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1431 {
1432 struct file *fp;
1433 int error;
1434
1435 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1436 if (error != 0)
1437 return (error);
1438 switch (args->cmd & 0xffff) {
1439 case LINUX_CDROMPAUSE:
1440 args->cmd = CDIOCPAUSE;
1441 error = (sys_ioctl(td, (struct ioctl_args *)args));
1442 break;
1443
1444 case LINUX_CDROMRESUME:
1445 args->cmd = CDIOCRESUME;
1446 error = (sys_ioctl(td, (struct ioctl_args *)args));
1447 break;
1448
1449 case LINUX_CDROMPLAYMSF:
1450 args->cmd = CDIOCPLAYMSF;
1451 error = (sys_ioctl(td, (struct ioctl_args *)args));
1452 break;
1453
1454 case LINUX_CDROMPLAYTRKIND:
1455 args->cmd = CDIOCPLAYTRACKS;
1456 error = (sys_ioctl(td, (struct ioctl_args *)args));
1457 break;
1458
1459 case LINUX_CDROMREADTOCHDR: {
1460 struct ioc_toc_header th;
1461 struct linux_cdrom_tochdr lth;
1462 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1463 td->td_ucred, td);
1464 if (!error) {
1465 lth.cdth_trk0 = th.starting_track;
1466 lth.cdth_trk1 = th.ending_track;
1467 copyout(<h, (void *)args->arg, sizeof(lth));
1468 }
1469 break;
1470 }
1471
1472 case LINUX_CDROMREADTOCENTRY: {
1473 struct linux_cdrom_tocentry lte;
1474 struct ioc_read_toc_single_entry irtse;
1475
1476 error = copyin((void *)args->arg, <e, sizeof(lte));
1477 if (error)
1478 break;
1479 irtse.address_format = lte.cdte_format;
1480 irtse.track = lte.cdte_track;
1481 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1482 td->td_ucred, td);
1483 if (!error) {
1484 lte.cdte_ctrl = irtse.entry.control;
1485 lte.cdte_adr = irtse.entry.addr_type;
1486 bsd_to_linux_msf_lba(irtse.address_format,
1487 &irtse.entry.addr, <e.cdte_addr);
1488 error = copyout(<e, (void *)args->arg, sizeof(lte));
1489 }
1490 break;
1491 }
1492
1493 case LINUX_CDROMSTOP:
1494 args->cmd = CDIOCSTOP;
1495 error = (sys_ioctl(td, (struct ioctl_args *)args));
1496 break;
1497
1498 case LINUX_CDROMSTART:
1499 args->cmd = CDIOCSTART;
1500 error = (sys_ioctl(td, (struct ioctl_args *)args));
1501 break;
1502
1503 case LINUX_CDROMEJECT:
1504 args->cmd = CDIOCEJECT;
1505 error = (sys_ioctl(td, (struct ioctl_args *)args));
1506 break;
1507
1508 /* LINUX_CDROMVOLCTRL */
1509
1510 case LINUX_CDROMSUBCHNL: {
1511 struct linux_cdrom_subchnl sc;
1512 struct ioc_read_subchannel bsdsc;
1513 struct cd_sub_channel_info bsdinfo;
1514
1515 error = copyin((void *)args->arg, &sc, sizeof(sc));
1516 if (error)
1517 break;
1518
1519 /*
1520 * Invoke the native ioctl and bounce the returned data through
1521 * the userspace buffer. This works because the Linux structure
1522 * is the same size as our structures for the subchannel header
1523 * and position data.
1524 */
1525 bsdsc.address_format = CD_LBA_FORMAT;
1526 bsdsc.data_format = CD_CURRENT_POSITION;
1527 bsdsc.track = 0;
1528 bsdsc.data_len = sizeof(sc);
1529 bsdsc.data = (void *)args->arg;
1530 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc,
1531 td->td_ucred, td);
1532 if (error)
1533 break;
1534 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo));
1535 if (error)
1536 break;
1537 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1538 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1539 sc.cdsc_ctrl = bsdinfo.what.position.control;
1540 sc.cdsc_trk = bsdinfo.what.position.track_number;
1541 sc.cdsc_ind = bsdinfo.what.position.index_number;
1542 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1543 bsdinfo.what.position.absaddr.lba);
1544 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1545 bsdinfo.what.position.reladdr.lba);
1546 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1547 break;
1548 }
1549
1550 /* LINUX_CDROMREADMODE2 */
1551 /* LINUX_CDROMREADMODE1 */
1552 /* LINUX_CDROMREADAUDIO */
1553 /* LINUX_CDROMEJECT_SW */
1554 /* LINUX_CDROMMULTISESSION */
1555 /* LINUX_CDROM_GET_UPC */
1556
1557 case LINUX_CDROMRESET:
1558 args->cmd = CDIOCRESET;
1559 error = (sys_ioctl(td, (struct ioctl_args *)args));
1560 break;
1561
1562 /* LINUX_CDROMVOLREAD */
1563 /* LINUX_CDROMREADRAW */
1564 /* LINUX_CDROMREADCOOKED */
1565 /* LINUX_CDROMSEEK */
1566 /* LINUX_CDROMPLAYBLK */
1567 /* LINUX_CDROMREADALL */
1568 /* LINUX_CDROMCLOSETRAY */
1569 /* LINUX_CDROMLOADFROMSLOT */
1570 /* LINUX_CDROMGETSPINDOWN */
1571 /* LINUX_CDROMSETSPINDOWN */
1572 /* LINUX_CDROM_SET_OPTIONS */
1573 /* LINUX_CDROM_CLEAR_OPTIONS */
1574 /* LINUX_CDROM_SELECT_SPEED */
1575 /* LINUX_CDROM_SELECT_DISC */
1576 /* LINUX_CDROM_MEDIA_CHANGED */
1577 /* LINUX_CDROM_DRIVE_STATUS */
1578 /* LINUX_CDROM_DISC_STATUS */
1579 /* LINUX_CDROM_CHANGER_NSLOTS */
1580 /* LINUX_CDROM_LOCKDOOR */
1581 /* LINUX_CDROM_DEBUG */
1582 /* LINUX_CDROM_GET_CAPABILITY */
1583 /* LINUX_CDROMAUDIOBUFSIZ */
1584
1585 case LINUX_DVD_READ_STRUCT: {
1586 l_dvd_struct *lds;
1587 struct dvd_struct *bds;
1588
1589 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1590 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1591 error = copyin((void *)args->arg, lds, sizeof(*lds));
1592 if (error)
1593 goto out;
1594 error = linux_to_bsd_dvd_struct(lds, bds);
1595 if (error)
1596 goto out;
1597 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1598 td->td_ucred, td);
1599 if (error)
1600 goto out;
1601 error = bsd_to_linux_dvd_struct(bds, lds);
1602 if (error)
1603 goto out;
1604 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1605 out:
1606 free(bds, M_LINUX);
1607 free(lds, M_LINUX);
1608 break;
1609 }
1610
1611 /* LINUX_DVD_WRITE_STRUCT */
1612
1613 case LINUX_DVD_AUTH: {
1614 l_dvd_authinfo lda;
1615 struct dvd_authinfo bda;
1616 int bcode;
1617
1618 error = copyin((void *)args->arg, &lda, sizeof(lda));
1619 if (error)
1620 break;
1621 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1622 if (error)
1623 break;
1624 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1625 td);
1626 if (error) {
1627 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1628 lda.type = LINUX_DVD_AUTH_FAILURE;
1629 copyout(&lda, (void *)args->arg, sizeof(lda));
1630 }
1631 break;
1632 }
1633 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1634 if (error)
1635 break;
1636 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1637 break;
1638 }
1639
1640 case LINUX_SCSI_GET_BUS_NUMBER:
1641 {
1642 struct sg_scsi_id id;
1643
1644 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1645 td->td_ucred, td);
1646 if (error)
1647 break;
1648 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1649 break;
1650 }
1651
1652 case LINUX_SCSI_GET_IDLUN:
1653 {
1654 struct sg_scsi_id id;
1655 struct scsi_idlun idl;
1656
1657 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1658 td->td_ucred, td);
1659 if (error)
1660 break;
1661 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1662 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1663 idl.host_unique_id = id.host_no;
1664 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1665 break;
1666 }
1667
1668 /* LINUX_CDROM_SEND_PACKET */
1669 /* LINUX_CDROM_NEXT_WRITABLE */
1670 /* LINUX_CDROM_LAST_WRITTEN */
1671
1672 default:
1673 error = ENOIOCTL;
1674 break;
1675 }
1676
1677 fdrop(fp, td);
1678 return (error);
1679 }
1680
1681 static int
1682 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1683 {
1684
1685 return (ENOTTY);
1686 }
1687
1688 /*
1689 * Sound related ioctls
1690 */
1691
1692 struct linux_old_mixer_info {
1693 char id[16];
1694 char name[32];
1695 };
1696
1697 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1698
1699 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1700
1701 static int
1702 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1703 {
1704
1705 switch (args->cmd & 0xffff) {
1706 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1708 return (sys_ioctl(td, (struct ioctl_args *)args));
1709
1710 case LINUX_SOUND_MIXER_WRITE_BASS:
1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1712 return (sys_ioctl(td, (struct ioctl_args *)args));
1713
1714 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1716 return (sys_ioctl(td, (struct ioctl_args *)args));
1717
1718 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1720 return (sys_ioctl(td, (struct ioctl_args *)args));
1721
1722 case LINUX_SOUND_MIXER_WRITE_PCM:
1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1724 return (sys_ioctl(td, (struct ioctl_args *)args));
1725
1726 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1728 return (sys_ioctl(td, (struct ioctl_args *)args));
1729
1730 case LINUX_SOUND_MIXER_WRITE_LINE:
1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1732 return (sys_ioctl(td, (struct ioctl_args *)args));
1733
1734 case LINUX_SOUND_MIXER_WRITE_MIC:
1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1736 return (sys_ioctl(td, (struct ioctl_args *)args));
1737
1738 case LINUX_SOUND_MIXER_WRITE_CD:
1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1740 return (sys_ioctl(td, (struct ioctl_args *)args));
1741
1742 case LINUX_SOUND_MIXER_WRITE_IMIX:
1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1744 return (sys_ioctl(td, (struct ioctl_args *)args));
1745
1746 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1748 return (sys_ioctl(td, (struct ioctl_args *)args));
1749
1750 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1752 return (sys_ioctl(td, (struct ioctl_args *)args));
1753
1754 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1756 return (sys_ioctl(td, (struct ioctl_args *)args));
1757
1758 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1760 return (sys_ioctl(td, (struct ioctl_args *)args));
1761
1762 case LINUX_SOUND_MIXER_WRITE_LINE1:
1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1764 return (sys_ioctl(td, (struct ioctl_args *)args));
1765
1766 case LINUX_SOUND_MIXER_WRITE_LINE2:
1767 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1768 return (sys_ioctl(td, (struct ioctl_args *)args));
1769
1770 case LINUX_SOUND_MIXER_WRITE_LINE3:
1771 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1772 return (sys_ioctl(td, (struct ioctl_args *)args));
1773
1774 case LINUX_SOUND_MIXER_WRITE_MONITOR:
1775 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR);
1776 return (sys_ioctl(td, (struct ioctl_args *)args));
1777
1778 case LINUX_SOUND_MIXER_INFO: {
1779 /* Key on encoded length */
1780 switch ((args->cmd >> 16) & 0x1fff) {
1781 case 0x005c: { /* SOUND_MIXER_INFO */
1782 args->cmd = SOUND_MIXER_INFO;
1783 return (sys_ioctl(td, (struct ioctl_args *)args));
1784 }
1785 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1786 struct linux_old_mixer_info info;
1787 bzero(&info, sizeof(info));
1788 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1789 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1790 copyout(&info, (void *)args->arg, sizeof(info));
1791 return (0);
1792 }
1793 default:
1794 return (ENOIOCTL);
1795 }
1796 break;
1797 }
1798
1799 case LINUX_OSS_GETVERSION: {
1800 int version = linux_get_oss_version(td);
1801 return (copyout(&version, (void *)args->arg, sizeof(int)));
1802 }
1803
1804 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1805 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1806 return (sys_ioctl(td, (struct ioctl_args *)args));
1807
1808 case LINUX_SOUND_MIXER_READ_CAPS:
1809 args->cmd = SOUND_MIXER_READ_CAPS;
1810 return (sys_ioctl(td, (struct ioctl_args *)args));
1811
1812 case LINUX_SOUND_MIXER_READ_RECMASK:
1813 args->cmd = SOUND_MIXER_READ_RECMASK;
1814 return (sys_ioctl(td, (struct ioctl_args *)args));
1815
1816 case LINUX_SOUND_MIXER_READ_DEVMASK:
1817 args->cmd = SOUND_MIXER_READ_DEVMASK;
1818 return (sys_ioctl(td, (struct ioctl_args *)args));
1819
1820 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1821 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1822 return (sys_ioctl(td, (struct ioctl_args *)args));
1823
1824 case LINUX_SNDCTL_DSP_RESET:
1825 args->cmd = SNDCTL_DSP_RESET;
1826 return (sys_ioctl(td, (struct ioctl_args *)args));
1827
1828 case LINUX_SNDCTL_DSP_SYNC:
1829 args->cmd = SNDCTL_DSP_SYNC;
1830 return (sys_ioctl(td, (struct ioctl_args *)args));
1831
1832 case LINUX_SNDCTL_DSP_SPEED:
1833 args->cmd = SNDCTL_DSP_SPEED;
1834 return (sys_ioctl(td, (struct ioctl_args *)args));
1835
1836 case LINUX_SNDCTL_DSP_STEREO:
1837 args->cmd = SNDCTL_DSP_STEREO;
1838 return (sys_ioctl(td, (struct ioctl_args *)args));
1839
1840 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1841 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1842 return (sys_ioctl(td, (struct ioctl_args *)args));
1843
1844 case LINUX_SNDCTL_DSP_SETFMT:
1845 args->cmd = SNDCTL_DSP_SETFMT;
1846 return (sys_ioctl(td, (struct ioctl_args *)args));
1847
1848 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1849 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1850 return (sys_ioctl(td, (struct ioctl_args *)args));
1851
1852 case LINUX_SOUND_PCM_WRITE_FILTER:
1853 args->cmd = SOUND_PCM_WRITE_FILTER;
1854 return (sys_ioctl(td, (struct ioctl_args *)args));
1855
1856 case LINUX_SNDCTL_DSP_POST:
1857 args->cmd = SNDCTL_DSP_POST;
1858 return (sys_ioctl(td, (struct ioctl_args *)args));
1859
1860 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1861 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1862 return (sys_ioctl(td, (struct ioctl_args *)args));
1863
1864 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1865 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1866 return (sys_ioctl(td, (struct ioctl_args *)args));
1867
1868 case LINUX_SNDCTL_DSP_GETFMTS:
1869 args->cmd = SNDCTL_DSP_GETFMTS;
1870 return (sys_ioctl(td, (struct ioctl_args *)args));
1871
1872 case LINUX_SNDCTL_DSP_GETOSPACE:
1873 args->cmd = SNDCTL_DSP_GETOSPACE;
1874 return (sys_ioctl(td, (struct ioctl_args *)args));
1875
1876 case LINUX_SNDCTL_DSP_GETISPACE:
1877 args->cmd = SNDCTL_DSP_GETISPACE;
1878 return (sys_ioctl(td, (struct ioctl_args *)args));
1879
1880 case LINUX_SNDCTL_DSP_NONBLOCK:
1881 args->cmd = SNDCTL_DSP_NONBLOCK;
1882 return (sys_ioctl(td, (struct ioctl_args *)args));
1883
1884 case LINUX_SNDCTL_DSP_GETCAPS:
1885 args->cmd = SNDCTL_DSP_GETCAPS;
1886 return (sys_ioctl(td, (struct ioctl_args *)args));
1887
1888 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1889 args->cmd = SNDCTL_DSP_SETTRIGGER;
1890 return (sys_ioctl(td, (struct ioctl_args *)args));
1891
1892 case LINUX_SNDCTL_DSP_GETIPTR:
1893 args->cmd = SNDCTL_DSP_GETIPTR;
1894 return (sys_ioctl(td, (struct ioctl_args *)args));
1895
1896 case LINUX_SNDCTL_DSP_GETOPTR:
1897 args->cmd = SNDCTL_DSP_GETOPTR;
1898 return (sys_ioctl(td, (struct ioctl_args *)args));
1899
1900 case LINUX_SNDCTL_DSP_SETDUPLEX:
1901 args->cmd = SNDCTL_DSP_SETDUPLEX;
1902 return (sys_ioctl(td, (struct ioctl_args *)args));
1903
1904 case LINUX_SNDCTL_DSP_GETODELAY:
1905 args->cmd = SNDCTL_DSP_GETODELAY;
1906 return (sys_ioctl(td, (struct ioctl_args *)args));
1907
1908 case LINUX_SNDCTL_SEQ_RESET:
1909 args->cmd = SNDCTL_SEQ_RESET;
1910 return (sys_ioctl(td, (struct ioctl_args *)args));
1911
1912 case LINUX_SNDCTL_SEQ_SYNC:
1913 args->cmd = SNDCTL_SEQ_SYNC;
1914 return (sys_ioctl(td, (struct ioctl_args *)args));
1915
1916 case LINUX_SNDCTL_SYNTH_INFO:
1917 args->cmd = SNDCTL_SYNTH_INFO;
1918 return (sys_ioctl(td, (struct ioctl_args *)args));
1919
1920 case LINUX_SNDCTL_SEQ_CTRLRATE:
1921 args->cmd = SNDCTL_SEQ_CTRLRATE;
1922 return (sys_ioctl(td, (struct ioctl_args *)args));
1923
1924 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1925 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1926 return (sys_ioctl(td, (struct ioctl_args *)args));
1927
1928 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1929 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1930 return (sys_ioctl(td, (struct ioctl_args *)args));
1931
1932 case LINUX_SNDCTL_SEQ_PERCMODE:
1933 args->cmd = SNDCTL_SEQ_PERCMODE;
1934 return (sys_ioctl(td, (struct ioctl_args *)args));
1935
1936 case LINUX_SNDCTL_FM_LOAD_INSTR:
1937 args->cmd = SNDCTL_FM_LOAD_INSTR;
1938 return (sys_ioctl(td, (struct ioctl_args *)args));
1939
1940 case LINUX_SNDCTL_SEQ_TESTMIDI:
1941 args->cmd = SNDCTL_SEQ_TESTMIDI;
1942 return (sys_ioctl(td, (struct ioctl_args *)args));
1943
1944 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1945 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1946 return (sys_ioctl(td, (struct ioctl_args *)args));
1947
1948 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1949 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1950 return (sys_ioctl(td, (struct ioctl_args *)args));
1951
1952 case LINUX_SNDCTL_SEQ_NRMIDIS:
1953 args->cmd = SNDCTL_SEQ_NRMIDIS;
1954 return (sys_ioctl(td, (struct ioctl_args *)args));
1955
1956 case LINUX_SNDCTL_MIDI_INFO:
1957 args->cmd = SNDCTL_MIDI_INFO;
1958 return (sys_ioctl(td, (struct ioctl_args *)args));
1959
1960 case LINUX_SNDCTL_SEQ_TRESHOLD:
1961 args->cmd = SNDCTL_SEQ_TRESHOLD;
1962 return (sys_ioctl(td, (struct ioctl_args *)args));
1963
1964 case LINUX_SNDCTL_SYNTH_MEMAVL:
1965 args->cmd = SNDCTL_SYNTH_MEMAVL;
1966 return (sys_ioctl(td, (struct ioctl_args *)args));
1967 }
1968
1969 return (ENOIOCTL);
1970 }
1971
1972 /*
1973 * Console related ioctls
1974 */
1975
1976 static int
1977 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1978 {
1979 struct file *fp;
1980 int error;
1981
1982 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1983 if (error != 0)
1984 return (error);
1985 switch (args->cmd & 0xffff) {
1986 case LINUX_KIOCSOUND:
1987 args->cmd = KIOCSOUND;
1988 error = (sys_ioctl(td, (struct ioctl_args *)args));
1989 break;
1990
1991 case LINUX_KDMKTONE:
1992 args->cmd = KDMKTONE;
1993 error = (sys_ioctl(td, (struct ioctl_args *)args));
1994 break;
1995
1996 case LINUX_KDGETLED:
1997 args->cmd = KDGETLED;
1998 error = (sys_ioctl(td, (struct ioctl_args *)args));
1999 break;
2000
2001 case LINUX_KDSETLED:
2002 args->cmd = KDSETLED;
2003 error = (sys_ioctl(td, (struct ioctl_args *)args));
2004 break;
2005
2006 case LINUX_KDSETMODE:
2007 args->cmd = KDSETMODE;
2008 error = (sys_ioctl(td, (struct ioctl_args *)args));
2009 break;
2010
2011 case LINUX_KDGETMODE:
2012 args->cmd = KDGETMODE;
2013 error = (sys_ioctl(td, (struct ioctl_args *)args));
2014 break;
2015
2016 case LINUX_KDGKBMODE:
2017 args->cmd = KDGKBMODE;
2018 error = (sys_ioctl(td, (struct ioctl_args *)args));
2019 break;
2020
2021 case LINUX_KDSKBMODE: {
2022 int kbdmode;
2023 switch (args->arg) {
2024 case LINUX_KBD_RAW:
2025 kbdmode = K_RAW;
2026 break;
2027 case LINUX_KBD_XLATE:
2028 kbdmode = K_XLATE;
2029 break;
2030 case LINUX_KBD_MEDIUMRAW:
2031 kbdmode = K_RAW;
2032 break;
2033 default:
2034 fdrop(fp, td);
2035 return (EINVAL);
2036 }
2037 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2038 td->td_ucred, td));
2039 break;
2040 }
2041
2042 case LINUX_VT_OPENQRY:
2043 args->cmd = VT_OPENQRY;
2044 error = (sys_ioctl(td, (struct ioctl_args *)args));
2045 break;
2046
2047 case LINUX_VT_GETMODE:
2048 args->cmd = VT_GETMODE;
2049 error = (sys_ioctl(td, (struct ioctl_args *)args));
2050 break;
2051
2052 case LINUX_VT_SETMODE: {
2053 struct vt_mode mode;
2054 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2055 break;
2056 if (LINUX_SIG_VALID(mode.relsig))
2057 mode.relsig = linux_to_bsd_signal(mode.relsig);
2058 else
2059 mode.relsig = 0;
2060 if (LINUX_SIG_VALID(mode.acqsig))
2061 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2062 else
2063 mode.acqsig = 0;
2064 /* XXX. Linux ignores frsig and set it to 0. */
2065 mode.frsig = 0;
2066 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2067 break;
2068 args->cmd = VT_SETMODE;
2069 error = (sys_ioctl(td, (struct ioctl_args *)args));
2070 break;
2071 }
2072
2073 case LINUX_VT_GETSTATE:
2074 args->cmd = VT_GETACTIVE;
2075 error = (sys_ioctl(td, (struct ioctl_args *)args));
2076 break;
2077
2078 case LINUX_VT_RELDISP:
2079 args->cmd = VT_RELDISP;
2080 error = (sys_ioctl(td, (struct ioctl_args *)args));
2081 break;
2082
2083 case LINUX_VT_ACTIVATE:
2084 args->cmd = VT_ACTIVATE;
2085 error = (sys_ioctl(td, (struct ioctl_args *)args));
2086 break;
2087
2088 case LINUX_VT_WAITACTIVE:
2089 args->cmd = VT_WAITACTIVE;
2090 error = (sys_ioctl(td, (struct ioctl_args *)args));
2091 break;
2092
2093 default:
2094 error = ENOIOCTL;
2095 break;
2096 }
2097
2098 fdrop(fp, td);
2099 return (error);
2100 }
2101
2102 /*
2103 * Implement the SIOCGIFNAME ioctl
2104 */
2105
2106 static int
2107 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr)
2108 {
2109 struct l_ifreq ifr;
2110 struct ifnet *ifp;
2111 int error, ethno, index;
2112
2113 error = copyin(uifr, &ifr, sizeof(ifr));
2114 if (error != 0)
2115 return (error);
2116
2117 CURVNET_SET(TD_TO_VNET(curthread));
2118 IFNET_RLOCK();
2119 index = 1; /* ifr.ifr_ifindex starts from 1 */
2120 ethno = 0;
2121 error = ENODEV;
2122 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2123 if (ifr.ifr_ifindex == index) {
2124 if (!linux_use_real_ifname(ifp))
2125 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ,
2126 "eth%d", ethno);
2127 else
2128 strlcpy(ifr.ifr_name, ifp->if_xname,
2129 LINUX_IFNAMSIZ);
2130 error = 0;
2131 break;
2132 }
2133 if (!linux_use_real_ifname(ifp))
2134 ethno++;
2135 index++;
2136 }
2137 IFNET_RUNLOCK();
2138 if (error == 0)
2139 error = copyout(&ifr, uifr, sizeof(ifr));
2140 CURVNET_RESTORE();
2141
2142 return (error);
2143 }
2144
2145 /*
2146 * Implement the SIOCGIFCONF ioctl
2147 */
2148
2149 static int
2150 linux_ifconf(struct thread *td, struct ifconf *uifc)
2151 {
2152 #ifdef COMPAT_LINUX32
2153 struct l_ifconf ifc;
2154 #else
2155 struct ifconf ifc;
2156 #endif
2157 struct l_ifreq ifr;
2158 struct ifnet *ifp;
2159 struct ifaddr *ifa;
2160 struct sbuf *sb;
2161 int error, ethno, full = 0, valid_len, max_len;
2162
2163 error = copyin(uifc, &ifc, sizeof(ifc));
2164 if (error != 0)
2165 return (error);
2166
2167 max_len = maxphys - 1;
2168
2169 CURVNET_SET(TD_TO_VNET(td));
2170 /* handle the 'request buffer size' case */
2171 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) {
2172 ifc.ifc_len = 0;
2173 IFNET_RLOCK();
2174 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2175 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2176 struct sockaddr *sa = ifa->ifa_addr;
2177 if (sa->sa_family == AF_INET)
2178 ifc.ifc_len += sizeof(ifr);
2179 }
2180 }
2181 IFNET_RUNLOCK();
2182 error = copyout(&ifc, uifc, sizeof(ifc));
2183 CURVNET_RESTORE();
2184 return (error);
2185 }
2186
2187 if (ifc.ifc_len <= 0) {
2188 CURVNET_RESTORE();
2189 return (EINVAL);
2190 }
2191
2192 again:
2193 /* Keep track of eth interfaces */
2194 ethno = 0;
2195 if (ifc.ifc_len <= max_len) {
2196 max_len = ifc.ifc_len;
2197 full = 1;
2198 }
2199 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2200 max_len = 0;
2201 valid_len = 0;
2202
2203 /* Return all AF_INET addresses of all interfaces */
2204 IFNET_RLOCK();
2205 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2206 int addrs = 0;
2207
2208 bzero(&ifr, sizeof(ifr));
2209 if (IFP_IS_ETH(ifp))
2210 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2211 ethno++);
2212 else
2213 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2214
2215 /* Walk the address list */
2216 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2217 struct sockaddr *sa = ifa->ifa_addr;
2218
2219 if (sa->sa_family == AF_INET) {
2220 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2221 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2222 sizeof(ifr.ifr_addr.sa_data));
2223 sbuf_bcat(sb, &ifr, sizeof(ifr));
2224 max_len += sizeof(ifr);
2225 addrs++;
2226 }
2227
2228 if (sbuf_error(sb) == 0)
2229 valid_len = sbuf_len(sb);
2230 }
2231 if (addrs == 0) {
2232 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2233 sbuf_bcat(sb, &ifr, sizeof(ifr));
2234 max_len += sizeof(ifr);
2235
2236 if (sbuf_error(sb) == 0)
2237 valid_len = sbuf_len(sb);
2238 }
2239 }
2240 IFNET_RUNLOCK();
2241
2242 if (valid_len != max_len && !full) {
2243 sbuf_delete(sb);
2244 goto again;
2245 }
2246
2247 ifc.ifc_len = valid_len;
2248 sbuf_finish(sb);
2249 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2250 if (error == 0)
2251 error = copyout(&ifc, uifc, sizeof(ifc));
2252 sbuf_delete(sb);
2253 CURVNET_RESTORE();
2254
2255 return (error);
2256 }
2257
2258 static int
2259 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2260 {
2261 l_short flags;
2262
2263 linux_ifflags(ifp, &flags);
2264
2265 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2266 }
2267
2268 static int
2269 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2270 {
2271 struct l_sockaddr lsa;
2272
2273 if (linux_ifhwaddr(ifp, &lsa) != 0)
2274 return (ENOENT);
2275
2276 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2277 }
2278
2279 /*
2280 * If we fault in bsd_to_linux_ifreq() then we will fault when we call
2281 * the native ioctl(). Thus, we don't really need to check the return
2282 * value of this function.
2283 */
2284 static int
2285 bsd_to_linux_ifreq(struct ifreq *arg)
2286 {
2287 struct ifreq ifr;
2288 size_t ifr_len = sizeof(struct ifreq);
2289 int error;
2290
2291 if ((error = copyin(arg, &ifr, ifr_len)))
2292 return (error);
2293
2294 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2295
2296 error = copyout(&ifr, arg, ifr_len);
2297
2298 return (error);
2299 }
2300
2301 /*
2302 * Socket related ioctls
2303 */
2304
2305 static int
2306 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2307 {
2308 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2309 struct ifnet *ifp;
2310 struct file *fp;
2311 int error, type;
2312
2313 ifp = NULL;
2314 error = 0;
2315
2316 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2317 if (error != 0)
2318 return (error);
2319 type = fp->f_type;
2320 fdrop(fp, td);
2321 if (type != DTYPE_SOCKET) {
2322 /* not a socket - probably a tap / vmnet device */
2323 switch (args->cmd) {
2324 case LINUX_SIOCGIFADDR:
2325 case LINUX_SIOCSIFADDR:
2326 case LINUX_SIOCGIFFLAGS:
2327 return (linux_ioctl_special(td, args));
2328 default:
2329 return (ENOIOCTL);
2330 }
2331 }
2332
2333 switch (args->cmd & 0xffff) {
2334 case LINUX_FIOGETOWN:
2335 case LINUX_FIOSETOWN:
2336 case LINUX_SIOCADDMULTI:
2337 case LINUX_SIOCATMARK:
2338 case LINUX_SIOCDELMULTI:
2339 case LINUX_SIOCGIFNAME:
2340 case LINUX_SIOCGIFCONF:
2341 case LINUX_SIOCGPGRP:
2342 case LINUX_SIOCSPGRP:
2343 case LINUX_SIOCGIFCOUNT:
2344 /* these ioctls don't take an interface name */
2345 break;
2346
2347 case LINUX_SIOCGIFFLAGS:
2348 case LINUX_SIOCGIFADDR:
2349 case LINUX_SIOCSIFADDR:
2350 case LINUX_SIOCGIFDSTADDR:
2351 case LINUX_SIOCGIFBRDADDR:
2352 case LINUX_SIOCGIFNETMASK:
2353 case LINUX_SIOCSIFNETMASK:
2354 case LINUX_SIOCGIFMTU:
2355 case LINUX_SIOCSIFMTU:
2356 case LINUX_SIOCSIFNAME:
2357 case LINUX_SIOCGIFHWADDR:
2358 case LINUX_SIOCSIFHWADDR:
2359 case LINUX_SIOCDEVPRIVATE:
2360 case LINUX_SIOCDEVPRIVATE+1:
2361 case LINUX_SIOCGIFINDEX:
2362 /* copy in the interface name and translate it. */
2363 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2364 if (error != 0)
2365 return (error);
2366 memset(ifname, 0, sizeof(ifname));
2367 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2368 if (ifp == NULL)
2369 return (EINVAL);
2370 /*
2371 * We need to copy it back out in case we pass the
2372 * request on to our native ioctl(), which will expect
2373 * the ifreq to be in user space and have the correct
2374 * interface name.
2375 */
2376 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2377 if (error != 0)
2378 return (error);
2379 break;
2380
2381 default:
2382 return (ENOIOCTL);
2383 }
2384
2385 switch (args->cmd & 0xffff) {
2386 case LINUX_FIOSETOWN:
2387 args->cmd = FIOSETOWN;
2388 error = sys_ioctl(td, (struct ioctl_args *)args);
2389 break;
2390
2391 case LINUX_SIOCSPGRP:
2392 args->cmd = SIOCSPGRP;
2393 error = sys_ioctl(td, (struct ioctl_args *)args);
2394 break;
2395
2396 case LINUX_FIOGETOWN:
2397 args->cmd = FIOGETOWN;
2398 error = sys_ioctl(td, (struct ioctl_args *)args);
2399 break;
2400
2401 case LINUX_SIOCGPGRP:
2402 args->cmd = SIOCGPGRP;
2403 error = sys_ioctl(td, (struct ioctl_args *)args);
2404 break;
2405
2406 case LINUX_SIOCATMARK:
2407 args->cmd = SIOCATMARK;
2408 error = sys_ioctl(td, (struct ioctl_args *)args);
2409 break;
2410
2411 /* LINUX_SIOCGSTAMP */
2412
2413 case LINUX_SIOCGIFNAME:
2414 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg);
2415 break;
2416
2417 case LINUX_SIOCGIFCONF:
2418 error = linux_ifconf(td, (struct ifconf *)args->arg);
2419 break;
2420
2421 case LINUX_SIOCGIFFLAGS:
2422 args->cmd = SIOCGIFFLAGS;
2423 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2424 break;
2425
2426 case LINUX_SIOCGIFADDR:
2427 args->cmd = SIOCGIFADDR;
2428 error = sys_ioctl(td, (struct ioctl_args *)args);
2429 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2430 break;
2431
2432 case LINUX_SIOCSIFADDR:
2433 /* XXX probably doesn't work, included for completeness */
2434 args->cmd = SIOCSIFADDR;
2435 error = sys_ioctl(td, (struct ioctl_args *)args);
2436 break;
2437
2438 case LINUX_SIOCGIFDSTADDR:
2439 args->cmd = SIOCGIFDSTADDR;
2440 error = sys_ioctl(td, (struct ioctl_args *)args);
2441 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2442 break;
2443
2444 case LINUX_SIOCGIFBRDADDR:
2445 args->cmd = SIOCGIFBRDADDR;
2446 error = sys_ioctl(td, (struct ioctl_args *)args);
2447 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2448 break;
2449
2450 case LINUX_SIOCGIFNETMASK:
2451 args->cmd = SIOCGIFNETMASK;
2452 error = sys_ioctl(td, (struct ioctl_args *)args);
2453 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2454 break;
2455
2456 case LINUX_SIOCSIFNETMASK:
2457 error = ENOIOCTL;
2458 break;
2459
2460 case LINUX_SIOCGIFMTU:
2461 args->cmd = SIOCGIFMTU;
2462 error = sys_ioctl(td, (struct ioctl_args *)args);
2463 break;
2464
2465 case LINUX_SIOCSIFMTU:
2466 args->cmd = SIOCSIFMTU;
2467 error = sys_ioctl(td, (struct ioctl_args *)args);
2468 break;
2469
2470 case LINUX_SIOCSIFNAME:
2471 error = ENOIOCTL;
2472 break;
2473
2474 case LINUX_SIOCGIFHWADDR:
2475 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2476 break;
2477
2478 case LINUX_SIOCSIFHWADDR:
2479 error = ENOIOCTL;
2480 break;
2481
2482 case LINUX_SIOCADDMULTI:
2483 args->cmd = SIOCADDMULTI;
2484 error = sys_ioctl(td, (struct ioctl_args *)args);
2485 break;
2486
2487 case LINUX_SIOCDELMULTI:
2488 args->cmd = SIOCDELMULTI;
2489 error = sys_ioctl(td, (struct ioctl_args *)args);
2490 break;
2491
2492 case LINUX_SIOCGIFINDEX:
2493 args->cmd = SIOCGIFINDEX;
2494 error = sys_ioctl(td, (struct ioctl_args *)args);
2495 break;
2496
2497 case LINUX_SIOCGIFCOUNT:
2498 error = 0;
2499 break;
2500
2501 /*
2502 * XXX This is slightly bogus, but these ioctls are currently
2503 * XXX only used by the aironet (if_an) network driver.
2504 */
2505 case LINUX_SIOCDEVPRIVATE:
2506 args->cmd = SIOCGPRIVATE_0;
2507 error = sys_ioctl(td, (struct ioctl_args *)args);
2508 break;
2509
2510 case LINUX_SIOCDEVPRIVATE+1:
2511 args->cmd = SIOCGPRIVATE_1;
2512 error = sys_ioctl(td, (struct ioctl_args *)args);
2513 break;
2514 }
2515
2516 if (ifp != NULL)
2517 /* restore the original interface name */
2518 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2519
2520 return (error);
2521 }
2522
2523 /*
2524 * Device private ioctl handler
2525 */
2526 static int
2527 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2528 {
2529 struct file *fp;
2530 int error, type;
2531
2532 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2533 if (error != 0)
2534 return (error);
2535 type = fp->f_type;
2536 fdrop(fp, td);
2537 if (type == DTYPE_SOCKET)
2538 return (linux_ioctl_socket(td, args));
2539 return (ENOIOCTL);
2540 }
2541
2542 /*
2543 * DRM ioctl handler (sys/dev/drm)
2544 */
2545 static int
2546 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2547 {
2548 args->cmd = SETDIR(args->cmd);
2549 return (sys_ioctl(td, (struct ioctl_args *)args));
2550 }
2551
2552 #ifdef COMPAT_LINUX32
2553 static int
2554 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2555 {
2556 struct sg_io_hdr io;
2557 struct sg_io_hdr32 io32;
2558 struct file *fp;
2559 int error;
2560
2561 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2562 if (error != 0) {
2563 printf("sg_linux_ioctl: fget returned %d\n", error);
2564 return (error);
2565 }
2566
2567 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2568 goto out;
2569
2570 CP(io32, io, interface_id);
2571 CP(io32, io, dxfer_direction);
2572 CP(io32, io, cmd_len);
2573 CP(io32, io, mx_sb_len);
2574 CP(io32, io, iovec_count);
2575 CP(io32, io, dxfer_len);
2576 PTRIN_CP(io32, io, dxferp);
2577 PTRIN_CP(io32, io, cmdp);
2578 PTRIN_CP(io32, io, sbp);
2579 CP(io32, io, timeout);
2580 CP(io32, io, flags);
2581 CP(io32, io, pack_id);
2582 PTRIN_CP(io32, io, usr_ptr);
2583 CP(io32, io, status);
2584 CP(io32, io, masked_status);
2585 CP(io32, io, msg_status);
2586 CP(io32, io, sb_len_wr);
2587 CP(io32, io, host_status);
2588 CP(io32, io, driver_status);
2589 CP(io32, io, resid);
2590 CP(io32, io, duration);
2591 CP(io32, io, info);
2592
2593 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2594 goto out;
2595
2596 CP(io, io32, interface_id);
2597 CP(io, io32, dxfer_direction);
2598 CP(io, io32, cmd_len);
2599 CP(io, io32, mx_sb_len);
2600 CP(io, io32, iovec_count);
2601 CP(io, io32, dxfer_len);
2602 PTROUT_CP(io, io32, dxferp);
2603 PTROUT_CP(io, io32, cmdp);
2604 PTROUT_CP(io, io32, sbp);
2605 CP(io, io32, timeout);
2606 CP(io, io32, flags);
2607 CP(io, io32, pack_id);
2608 PTROUT_CP(io, io32, usr_ptr);
2609 CP(io, io32, status);
2610 CP(io, io32, masked_status);
2611 CP(io, io32, msg_status);
2612 CP(io, io32, sb_len_wr);
2613 CP(io, io32, host_status);
2614 CP(io, io32, driver_status);
2615 CP(io, io32, resid);
2616 CP(io, io32, duration);
2617 CP(io, io32, info);
2618
2619 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2620
2621 out:
2622 fdrop(fp, td);
2623 return (error);
2624 }
2625 #endif
2626
2627 static int
2628 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2629 {
2630
2631 switch (args->cmd) {
2632 case LINUX_SG_GET_VERSION_NUM:
2633 args->cmd = SG_GET_VERSION_NUM;
2634 break;
2635 case LINUX_SG_SET_TIMEOUT:
2636 args->cmd = SG_SET_TIMEOUT;
2637 break;
2638 case LINUX_SG_GET_TIMEOUT:
2639 args->cmd = SG_GET_TIMEOUT;
2640 break;
2641 case LINUX_SG_IO:
2642 args->cmd = SG_IO;
2643 #ifdef COMPAT_LINUX32
2644 return (linux_ioctl_sg_io(td, args));
2645 #endif
2646 break;
2647 case LINUX_SG_GET_RESERVED_SIZE:
2648 args->cmd = SG_GET_RESERVED_SIZE;
2649 break;
2650 case LINUX_SG_GET_SCSI_ID:
2651 args->cmd = SG_GET_SCSI_ID;
2652 break;
2653 case LINUX_SG_GET_SG_TABLESIZE:
2654 args->cmd = SG_GET_SG_TABLESIZE;
2655 break;
2656 default:
2657 return (ENODEV);
2658 }
2659 return (sys_ioctl(td, (struct ioctl_args *)args));
2660 }
2661
2662 /*
2663 * Video4Linux (V4L) ioctl handler
2664 */
2665 static int
2666 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2667 {
2668 vt->tuner = lvt->tuner;
2669 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2670 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2671 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2672 vt->flags = lvt->flags;
2673 vt->mode = lvt->mode;
2674 vt->signal = lvt->signal;
2675 return (0);
2676 }
2677
2678 static int
2679 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2680 {
2681 lvt->tuner = vt->tuner;
2682 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2683 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2684 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2685 lvt->flags = vt->flags;
2686 lvt->mode = vt->mode;
2687 lvt->signal = vt->signal;
2688 return (0);
2689 }
2690
2691 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2692 static int
2693 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2694 {
2695 vc->x = lvc->x;
2696 vc->y = lvc->y;
2697 vc->width = lvc->width;
2698 vc->height = lvc->height;
2699 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2700 return (0);
2701 }
2702 #endif
2703
2704 static int
2705 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2706 {
2707 vw->x = lvw->x;
2708 vw->y = lvw->y;
2709 vw->width = lvw->width;
2710 vw->height = lvw->height;
2711 vw->chromakey = lvw->chromakey;
2712 vw->flags = lvw->flags;
2713 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2714 vw->clipcount = lvw->clipcount;
2715 return (0);
2716 }
2717
2718 static int
2719 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2720 {
2721 memset(lvw, 0, sizeof(*lvw));
2722
2723 lvw->x = vw->x;
2724 lvw->y = vw->y;
2725 lvw->width = vw->width;
2726 lvw->height = vw->height;
2727 lvw->chromakey = vw->chromakey;
2728 lvw->flags = vw->flags;
2729 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2730 lvw->clipcount = vw->clipcount;
2731 return (0);
2732 }
2733
2734 static int
2735 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2736 {
2737 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2738 vb->height = lvb->height;
2739 vb->width = lvb->width;
2740 vb->depth = lvb->depth;
2741 vb->bytesperline = lvb->bytesperline;
2742 return (0);
2743 }
2744
2745 static int
2746 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2747 {
2748 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2749 lvb->height = vb->height;
2750 lvb->width = vb->width;
2751 lvb->depth = vb->depth;
2752 lvb->bytesperline = vb->bytesperline;
2753 return (0);
2754 }
2755
2756 static int
2757 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2758 {
2759 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2760 vc->datasize = lvc->datasize;
2761 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2762 return (0);
2763 }
2764
2765 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2766 static int
2767 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2768 {
2769 int error;
2770 struct video_clip vclip;
2771 struct l_video_clip l_vclip;
2772
2773 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2774 if (error) return (error);
2775 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2776 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2777 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2778 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */
2779 memcpy(*ppvc, &vclip, sizeof(vclip));
2780 (*ppvc)->next = NULL;
2781 return (0);
2782 }
2783
2784 static int
2785 linux_v4l_cliplist_free(struct video_window *vw)
2786 {
2787 struct video_clip **ppvc;
2788 struct video_clip **ppvc_next;
2789
2790 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2791 ppvc_next = &((*ppvc)->next);
2792 free(*ppvc, M_LINUX);
2793 }
2794 vw->clips = NULL;
2795
2796 return (0);
2797 }
2798
2799 static int
2800 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2801 {
2802 int error;
2803 int clipcount;
2804 void *plvc;
2805 struct video_clip **ppvc;
2806
2807 /*
2808 * XXX: The cliplist is used to pass in a list of clipping
2809 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2810 * clipping bitmap. Some Linux apps, however, appear to
2811 * leave cliplist and clips uninitialized. In any case,
2812 * the cliplist is not used by pwc(4), at the time of
2813 * writing, FreeBSD's only V4L driver. When a driver
2814 * that uses the cliplist is developed, this code may
2815 * need re-examiniation.
2816 */
2817 error = 0;
2818 clipcount = vw->clipcount;
2819 if (clipcount == VIDEO_CLIP_BITMAP) {
2820 /*
2821 * In this case, the pointer (clips) is overloaded
2822 * to be a "void *" to a bitmap, therefore there
2823 * is no struct video_clip to copy now.
2824 */
2825 } else if (clipcount > 0 && clipcount <= 16384) {
2826 /*
2827 * Clips points to list of clip rectangles, so
2828 * copy the list.
2829 *
2830 * XXX: Upper limit of 16384 was used here to try to
2831 * avoid cases when clipcount and clips pointer
2832 * are uninitialized and therefore have high random
2833 * values, as is the case in the Linux Skype
2834 * application. The value 16384 was chosen as that
2835 * is what is used in the Linux stradis(4) MPEG
2836 * decoder driver, the only place we found an
2837 * example of cliplist use.
2838 */
2839 plvc = PTRIN(lvw->clips);
2840 vw->clips = NULL;
2841 ppvc = &(vw->clips);
2842 while (clipcount-- > 0) {
2843 if (plvc == NULL) {
2844 error = EFAULT;
2845 break;
2846 } else {
2847 error = linux_v4l_clip_copy(plvc, ppvc);
2848 if (error) {
2849 linux_v4l_cliplist_free(vw);
2850 break;
2851 }
2852 }
2853 ppvc = &((*ppvc)->next);
2854 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2855 }
2856 } else {
2857 /*
2858 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2859 * Force cliplist to null.
2860 */
2861 vw->clipcount = 0;
2862 vw->clips = NULL;
2863 }
2864 return (error);
2865 }
2866 #endif
2867
2868 static int
2869 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2870 {
2871 struct file *fp;
2872 int error;
2873 struct video_tuner vtun;
2874 struct video_window vwin;
2875 struct video_buffer vbuf;
2876 struct video_code vcode;
2877 struct l_video_tuner l_vtun;
2878 struct l_video_window l_vwin;
2879 struct l_video_buffer l_vbuf;
2880 struct l_video_code l_vcode;
2881
2882 switch (args->cmd & 0xffff) {
2883 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2884 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2885 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2886
2887 case LINUX_VIDIOCGTUNER:
2888 error = fget(td, args->fd,
2889 &cap_ioctl_rights, &fp);
2890 if (error != 0)
2891 return (error);
2892 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2893 if (error) {
2894 fdrop(fp, td);
2895 return (error);
2896 }
2897 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2898 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2899 if (!error) {
2900 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2901 error = copyout(&l_vtun, (void *) args->arg,
2902 sizeof(l_vtun));
2903 }
2904 fdrop(fp, td);
2905 return (error);
2906
2907 case LINUX_VIDIOCSTUNER:
2908 error = fget(td, args->fd,
2909 &cap_ioctl_rights, &fp);
2910 if (error != 0)
2911 return (error);
2912 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2913 if (error) {
2914 fdrop(fp, td);
2915 return (error);
2916 }
2917 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2918 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2919 fdrop(fp, td);
2920 return (error);
2921
2922 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2923 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2924 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2925
2926 case LINUX_VIDIOCGWIN:
2927 error = fget(td, args->fd,
2928 &cap_ioctl_rights, &fp);
2929 if (error != 0)
2930 return (error);
2931 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2932 if (!error) {
2933 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2934 error = copyout(&l_vwin, (void *) args->arg,
2935 sizeof(l_vwin));
2936 }
2937 fdrop(fp, td);
2938 return (error);
2939
2940 case LINUX_VIDIOCSWIN:
2941 error = fget(td, args->fd,
2942 &cap_ioctl_rights, &fp);
2943 if (error != 0)
2944 return (error);
2945 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
2946 if (error) {
2947 fdrop(fp, td);
2948 return (error);
2949 }
2950 linux_to_bsd_v4l_window(&l_vwin, &vwin);
2951 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2952 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
2953 if (error) {
2954 fdrop(fp, td);
2955 return (error);
2956 }
2957 #endif
2958 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
2959 fdrop(fp, td);
2960 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2961 linux_v4l_cliplist_free(&vwin);
2962 #endif
2963 return (error);
2964
2965 case LINUX_VIDIOCGFBUF:
2966 error = fget(td, args->fd,
2967 &cap_ioctl_rights, &fp);
2968 if (error != 0)
2969 return (error);
2970 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
2971 if (!error) {
2972 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
2973 error = copyout(&l_vbuf, (void *) args->arg,
2974 sizeof(l_vbuf));
2975 }
2976 fdrop(fp, td);
2977 return (error);
2978
2979 case LINUX_VIDIOCSFBUF:
2980 error = fget(td, args->fd,
2981 &cap_ioctl_rights, &fp);
2982 if (error != 0)
2983 return (error);
2984 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
2985 if (error) {
2986 fdrop(fp, td);
2987 return (error);
2988 }
2989 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
2990 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
2991 fdrop(fp, td);
2992 return (error);
2993
2994 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
2995 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
2996 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
2997 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
2998 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
2999 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
3000 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
3001 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
3002 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
3003 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
3004 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
3005 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
3006 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
3007 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
3008
3009 case LINUX_VIDIOCSMICROCODE:
3010 error = fget(td, args->fd,
3011 &cap_ioctl_rights, &fp);
3012 if (error != 0)
3013 return (error);
3014 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
3015 if (error) {
3016 fdrop(fp, td);
3017 return (error);
3018 }
3019 linux_to_bsd_v4l_code(&l_vcode, &vcode);
3020 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
3021 fdrop(fp, td);
3022 return (error);
3023
3024 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
3025 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
3026 default: return (ENOIOCTL);
3027 }
3028
3029 error = sys_ioctl(td, (struct ioctl_args *)args);
3030 return (error);
3031 }
3032
3033 /*
3034 * Special ioctl handler
3035 */
3036 static int
3037 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
3038 {
3039 int error;
3040
3041 switch (args->cmd) {
3042 case LINUX_SIOCGIFADDR:
3043 args->cmd = SIOCGIFADDR;
3044 error = sys_ioctl(td, (struct ioctl_args *)args);
3045 break;
3046 case LINUX_SIOCSIFADDR:
3047 args->cmd = SIOCSIFADDR;
3048 error = sys_ioctl(td, (struct ioctl_args *)args);
3049 break;
3050 case LINUX_SIOCGIFFLAGS:
3051 args->cmd = SIOCGIFFLAGS;
3052 error = sys_ioctl(td, (struct ioctl_args *)args);
3053 break;
3054 default:
3055 error = ENOIOCTL;
3056 }
3057
3058 return (error);
3059 }
3060
3061 static int
3062 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3063 {
3064 vstd->index = lvstd->index;
3065 vstd->id = lvstd->id;
3066 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3067 memcpy(vstd->name, lvstd->name, sizeof(vstd->name));
3068 vstd->frameperiod = lvstd->frameperiod;
3069 vstd->framelines = lvstd->framelines;
3070 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3071 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved));
3072 return (0);
3073 }
3074
3075 static int
3076 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3077 {
3078 lvstd->index = vstd->index;
3079 lvstd->id = vstd->id;
3080 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3081 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name));
3082 lvstd->frameperiod = vstd->frameperiod;
3083 lvstd->framelines = vstd->framelines;
3084 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3085 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved));
3086 return (0);
3087 }
3088
3089 static int
3090 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3091 {
3092 vb->index = lvb->index;
3093 vb->type = lvb->type;
3094 vb->bytesused = lvb->bytesused;
3095 vb->flags = lvb->flags;
3096 vb->field = lvb->field;
3097 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3098 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3099 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3100 vb->sequence = lvb->sequence;
3101 vb->memory = lvb->memory;
3102 if (lvb->memory == V4L2_MEMORY_USERPTR)
3103 /* possible pointer size conversion */
3104 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3105 else
3106 vb->m.offset = lvb->m.offset;
3107 vb->length = lvb->length;
3108 vb->input = lvb->input;
3109 vb->reserved = lvb->reserved;
3110 return (0);
3111 }
3112
3113 static int
3114 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3115 {
3116 lvb->index = vb->index;
3117 lvb->type = vb->type;
3118 lvb->bytesused = vb->bytesused;
3119 lvb->flags = vb->flags;
3120 lvb->field = vb->field;
3121 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3122 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3123 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3124 lvb->sequence = vb->sequence;
3125 lvb->memory = vb->memory;
3126 if (vb->memory == V4L2_MEMORY_USERPTR)
3127 /* possible pointer size conversion */
3128 lvb->m.userptr = PTROUT(vb->m.userptr);
3129 else
3130 lvb->m.offset = vb->m.offset;
3131 lvb->length = vb->length;
3132 lvb->input = vb->input;
3133 lvb->reserved = vb->reserved;
3134 return (0);
3135 }
3136
3137 static int
3138 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3139 {
3140 vf->type = lvf->type;
3141 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3142 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3143 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3144 #endif
3145 )
3146 /*
3147 * XXX TODO - needs 32 -> 64 bit conversion:
3148 * (unused by webcams?)
3149 */
3150 return (EINVAL);
3151 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3152 return (0);
3153 }
3154
3155 static int
3156 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3157 {
3158 lvf->type = vf->type;
3159 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3160 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3161 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3162 #endif
3163 )
3164 /*
3165 * XXX TODO - needs 32 -> 64 bit conversion:
3166 * (unused by webcams?)
3167 */
3168 return (EINVAL);
3169 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3170 return (0);
3171 }
3172 static int
3173 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3174 {
3175 struct file *fp;
3176 int error;
3177 struct v4l2_format vformat;
3178 struct l_v4l2_format l_vformat;
3179 struct v4l2_standard vstd;
3180 struct l_v4l2_standard l_vstd;
3181 struct l_v4l2_buffer l_vbuf;
3182 struct v4l2_buffer vbuf;
3183 struct v4l2_input vinp;
3184
3185 switch (args->cmd & 0xffff) {
3186 case LINUX_VIDIOC_RESERVED:
3187 case LINUX_VIDIOC_LOG_STATUS:
3188 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3189 return (ENOIOCTL);
3190 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3191 break;
3192
3193 case LINUX_VIDIOC_OVERLAY:
3194 case LINUX_VIDIOC_STREAMON:
3195 case LINUX_VIDIOC_STREAMOFF:
3196 case LINUX_VIDIOC_S_STD:
3197 case LINUX_VIDIOC_S_TUNER:
3198 case LINUX_VIDIOC_S_AUDIO:
3199 case LINUX_VIDIOC_S_AUDOUT:
3200 case LINUX_VIDIOC_S_MODULATOR:
3201 case LINUX_VIDIOC_S_FREQUENCY:
3202 case LINUX_VIDIOC_S_CROP:
3203 case LINUX_VIDIOC_S_JPEGCOMP:
3204 case LINUX_VIDIOC_S_PRIORITY:
3205 case LINUX_VIDIOC_DBG_S_REGISTER:
3206 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3207 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3208 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3209 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3210 break;
3211
3212 case LINUX_VIDIOC_QUERYCAP:
3213 case LINUX_VIDIOC_G_STD:
3214 case LINUX_VIDIOC_G_AUDIO:
3215 case LINUX_VIDIOC_G_INPUT:
3216 case LINUX_VIDIOC_G_OUTPUT:
3217 case LINUX_VIDIOC_G_AUDOUT:
3218 case LINUX_VIDIOC_G_JPEGCOMP:
3219 case LINUX_VIDIOC_QUERYSTD:
3220 case LINUX_VIDIOC_G_PRIORITY:
3221 case LINUX_VIDIOC_QUERY_DV_PRESET:
3222 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3223 break;
3224
3225 case LINUX_VIDIOC_ENUM_FMT:
3226 case LINUX_VIDIOC_REQBUFS:
3227 case LINUX_VIDIOC_G_PARM:
3228 case LINUX_VIDIOC_S_PARM:
3229 case LINUX_VIDIOC_G_CTRL:
3230 case LINUX_VIDIOC_S_CTRL:
3231 case LINUX_VIDIOC_G_TUNER:
3232 case LINUX_VIDIOC_QUERYCTRL:
3233 case LINUX_VIDIOC_QUERYMENU:
3234 case LINUX_VIDIOC_S_INPUT:
3235 case LINUX_VIDIOC_S_OUTPUT:
3236 case LINUX_VIDIOC_ENUMOUTPUT:
3237 case LINUX_VIDIOC_G_MODULATOR:
3238 case LINUX_VIDIOC_G_FREQUENCY:
3239 case LINUX_VIDIOC_CROPCAP:
3240 case LINUX_VIDIOC_G_CROP:
3241 case LINUX_VIDIOC_ENUMAUDIO:
3242 case LINUX_VIDIOC_ENUMAUDOUT:
3243 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3244 #ifdef VIDIOC_ENUM_FRAMESIZES
3245 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3246 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3247 case LINUX_VIDIOC_ENCODER_CMD:
3248 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3249 #endif
3250 case LINUX_VIDIOC_DBG_G_REGISTER:
3251 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3252 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3253 case LINUX_VIDIOC_S_DV_PRESET:
3254 case LINUX_VIDIOC_G_DV_PRESET:
3255 case LINUX_VIDIOC_S_DV_TIMINGS:
3256 case LINUX_VIDIOC_G_DV_TIMINGS:
3257 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3258 break;
3259
3260 case LINUX_VIDIOC_G_FMT:
3261 case LINUX_VIDIOC_S_FMT:
3262 case LINUX_VIDIOC_TRY_FMT:
3263 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3264 if (error)
3265 return (error);
3266 error = fget(td, args->fd,
3267 &cap_ioctl_rights, &fp);
3268 if (error)
3269 return (error);
3270 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3271 error = EINVAL;
3272 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3273 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3274 td->td_ucred, td);
3275 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3276 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3277 td->td_ucred, td);
3278 else
3279 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3280 td->td_ucred, td);
3281 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3282 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
3283 fdrop(fp, td);
3284 return (error);
3285
3286 case LINUX_VIDIOC_ENUMSTD:
3287 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3288 if (error)
3289 return (error);
3290 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3291 error = fget(td, args->fd,
3292 &cap_ioctl_rights, &fp);
3293 if (error)
3294 return (error);
3295 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3296 td->td_ucred, td);
3297 if (error) {
3298 fdrop(fp, td);
3299 return (error);
3300 }
3301 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3302 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3303 fdrop(fp, td);
3304 return (error);
3305
3306 case LINUX_VIDIOC_ENUMINPUT:
3307 /*
3308 * The Linux struct l_v4l2_input differs only in size,
3309 * it has no padding at the end.
3310 */
3311 error = copyin((void *)args->arg, &vinp,
3312 sizeof(struct l_v4l2_input));
3313 if (error != 0)
3314 return (error);
3315 error = fget(td, args->fd,
3316 &cap_ioctl_rights, &fp);
3317 if (error != 0)
3318 return (error);
3319 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3320 td->td_ucred, td);
3321 if (error) {
3322 fdrop(fp, td);
3323 return (error);
3324 }
3325 error = copyout(&vinp, (void *)args->arg,
3326 sizeof(struct l_v4l2_input));
3327 fdrop(fp, td);
3328 return (error);
3329
3330 case LINUX_VIDIOC_QUERYBUF:
3331 case LINUX_VIDIOC_QBUF:
3332 case LINUX_VIDIOC_DQBUF:
3333 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3334 if (error)
3335 return (error);
3336 error = fget(td, args->fd,
3337 &cap_ioctl_rights, &fp);
3338 if (error)
3339 return (error);
3340 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3341 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3342 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3343 td->td_ucred, td);
3344 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3345 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3346 td->td_ucred, td);
3347 else
3348 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3349 td->td_ucred, td);
3350 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3351 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
3352 fdrop(fp, td);
3353 return (error);
3354
3355 /*
3356 * XXX TODO - these need 32 -> 64 bit conversion:
3357 * (are any of them needed for webcams?)
3358 */
3359 case LINUX_VIDIOC_G_FBUF:
3360 case LINUX_VIDIOC_S_FBUF:
3361
3362 case LINUX_VIDIOC_G_EXT_CTRLS:
3363 case LINUX_VIDIOC_S_EXT_CTRLS:
3364 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3365
3366 case LINUX_VIDIOC_DQEVENT:
3367
3368 default: return (ENOIOCTL);
3369 }
3370
3371 error = sys_ioctl(td, (struct ioctl_args *)args);
3372 return (error);
3373 }
3374
3375 /*
3376 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3377 * instead of USB* ones. This lets us to provide correct values for cmd.
3378 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3379 */
3380 static int
3381 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3382 {
3383 int error;
3384
3385 error = 0;
3386 switch (args->cmd) {
3387 case FBSD_LUSB_DEVICEENUMERATE:
3388 args->cmd = USB_DEVICEENUMERATE;
3389 break;
3390 case FBSD_LUSB_DEV_QUIRK_ADD:
3391 args->cmd = USB_DEV_QUIRK_ADD;
3392 break;
3393 case FBSD_LUSB_DEV_QUIRK_GET:
3394 args->cmd = USB_DEV_QUIRK_GET;
3395 break;
3396 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3397 args->cmd = USB_DEV_QUIRK_REMOVE;
3398 break;
3399 case FBSD_LUSB_DO_REQUEST:
3400 args->cmd = USB_DO_REQUEST;
3401 break;
3402 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3403 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3404 break;
3405 case FBSD_LUSB_FS_CLOSE:
3406 args->cmd = USB_FS_CLOSE;
3407 break;
3408 case FBSD_LUSB_FS_COMPLETE:
3409 args->cmd = USB_FS_COMPLETE;
3410 break;
3411 case FBSD_LUSB_FS_INIT:
3412 args->cmd = USB_FS_INIT;
3413 break;
3414 case FBSD_LUSB_FS_OPEN:
3415 args->cmd = USB_FS_OPEN;
3416 break;
3417 case FBSD_LUSB_FS_START:
3418 args->cmd = USB_FS_START;
3419 break;
3420 case FBSD_LUSB_FS_STOP:
3421 args->cmd = USB_FS_STOP;
3422 break;
3423 case FBSD_LUSB_FS_UNINIT:
3424 args->cmd = USB_FS_UNINIT;
3425 break;
3426 case FBSD_LUSB_GET_CONFIG:
3427 args->cmd = USB_GET_CONFIG;
3428 break;
3429 case FBSD_LUSB_GET_DEVICEINFO:
3430 args->cmd = USB_GET_DEVICEINFO;
3431 break;
3432 case FBSD_LUSB_GET_DEVICE_DESC:
3433 args->cmd = USB_GET_DEVICE_DESC;
3434 break;
3435 case FBSD_LUSB_GET_FULL_DESC:
3436 args->cmd = USB_GET_FULL_DESC;
3437 break;
3438 case FBSD_LUSB_GET_IFACE_DRIVER:
3439 args->cmd = USB_GET_IFACE_DRIVER;
3440 break;
3441 case FBSD_LUSB_GET_PLUGTIME:
3442 args->cmd = USB_GET_PLUGTIME;
3443 break;
3444 case FBSD_LUSB_GET_POWER_MODE:
3445 args->cmd = USB_GET_POWER_MODE;
3446 break;
3447 case FBSD_LUSB_GET_REPORT_DESC:
3448 args->cmd = USB_GET_REPORT_DESC;
3449 break;
3450 case FBSD_LUSB_GET_REPORT_ID:
3451 args->cmd = USB_GET_REPORT_ID;
3452 break;
3453 case FBSD_LUSB_GET_TEMPLATE:
3454 args->cmd = USB_GET_TEMPLATE;
3455 break;
3456 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3457 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3458 break;
3459 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3460 args->cmd = USB_IFACE_DRIVER_DETACH;
3461 break;
3462 case FBSD_LUSB_QUIRK_NAME_GET:
3463 args->cmd = USB_QUIRK_NAME_GET;
3464 break;
3465 case FBSD_LUSB_READ_DIR:
3466 args->cmd = USB_READ_DIR;
3467 break;
3468 case FBSD_LUSB_SET_ALTINTERFACE:
3469 args->cmd = USB_SET_ALTINTERFACE;
3470 break;
3471 case FBSD_LUSB_SET_CONFIG:
3472 args->cmd = USB_SET_CONFIG;
3473 break;
3474 case FBSD_LUSB_SET_IMMED:
3475 args->cmd = USB_SET_IMMED;
3476 break;
3477 case FBSD_LUSB_SET_POWER_MODE:
3478 args->cmd = USB_SET_POWER_MODE;
3479 break;
3480 case FBSD_LUSB_SET_TEMPLATE:
3481 args->cmd = USB_SET_TEMPLATE;
3482 break;
3483 case FBSD_LUSB_FS_OPEN_STREAM:
3484 args->cmd = USB_FS_OPEN_STREAM;
3485 break;
3486 case FBSD_LUSB_GET_DEV_PORT_PATH:
3487 args->cmd = USB_GET_DEV_PORT_PATH;
3488 break;
3489 case FBSD_LUSB_GET_POWER_USAGE:
3490 args->cmd = USB_GET_POWER_USAGE;
3491 break;
3492 case FBSD_LUSB_DEVICESTATS:
3493 args->cmd = USB_DEVICESTATS;
3494 break;
3495 default:
3496 error = ENOIOCTL;
3497 }
3498 if (error != ENOIOCTL)
3499 error = sys_ioctl(td, (struct ioctl_args *)args);
3500 return (error);
3501 }
3502
3503 /*
3504 * Some evdev ioctls must be translated.
3505 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data
3506 * (must be IOC_INOUT on FreeBSD).
3507 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with
3508 * an int argument. You don't pass an int pointer to the ioctl(), however,
3509 * but just the int directly. On FreeBSD, they are defined as _IOWINT for
3510 * this to work.
3511 */
3512 static int
3513 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args)
3514 {
3515 struct file *fp;
3516 clockid_t clock;
3517 int error;
3518
3519 args->cmd = SETDIR(args->cmd);
3520
3521 switch (args->cmd) {
3522 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN:
3523 args->cmd = EVIOCGRAB;
3524 break;
3525 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN:
3526 args->cmd = EVIOCREVOKE;
3527 break;
3528 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN:
3529 args->cmd = EVIOCRMFF;
3530 break;
3531 case EVIOCSCLOCKID: {
3532 error = copyin(PTRIN(args->arg), &clock, sizeof(clock));
3533 if (error != 0)
3534 return (error);
3535 if (clock & ~(LINUX_IOCTL_EVDEV_CLK))
3536 return (EINVAL);
3537 error = linux_to_native_clockid(&clock, clock);
3538 if (error != 0)
3539 return (error);
3540
3541 error = fget(td, args->fd,
3542 &cap_ioctl_rights, &fp);
3543 if (error != 0)
3544 return (error);
3545
3546 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td);
3547 fdrop(fp, td);
3548 return (error);
3549 }
3550 default:
3551 break;
3552 }
3553
3554 if (IOCBASECMD(args->cmd) ==
3555 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT))
3556 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3557
3558 return (sys_ioctl(td, (struct ioctl_args *)args));
3559 }
3560
3561 static int
3562 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args)
3563 {
3564 int error;
3565
3566 error = 0;
3567 switch (args->cmd & 0xffff) {
3568 case LINUX_KCOV_INIT_TRACE:
3569 args->cmd = KIOSETBUFSIZE;
3570 break;
3571 case LINUX_KCOV_ENABLE:
3572 args->cmd = KIOENABLE;
3573 if (args->arg == 0)
3574 args->arg = KCOV_MODE_TRACE_PC;
3575 else if (args->arg == 1)
3576 args->arg = KCOV_MODE_TRACE_CMP;
3577 else
3578 error = EINVAL;
3579 break;
3580 case LINUX_KCOV_DISABLE:
3581 args->cmd = KIODISABLE;
3582 break;
3583 default:
3584 error = ENOTTY;
3585 break;
3586 }
3587
3588 if (error == 0)
3589 error = sys_ioctl(td, (struct ioctl_args *)args);
3590 return (error);
3591 }
3592
3593 /*
3594 * main ioctl syscall function
3595 */
3596
3597 static int
3598 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args)
3599 {
3600 struct file *fp;
3601 struct linux_ioctl_handler_element *he;
3602 int error, cmd;
3603
3604 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
3605 if (error != 0)
3606 return (error);
3607 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3608 fdrop(fp, td);
3609 return (EBADF);
3610 }
3611
3612 /* Iterate over the ioctl handlers */
3613 cmd = args->cmd & 0xffff;
3614 sx_slock(&linux_ioctl_sx);
3615 mtx_lock(&Giant);
3616 #ifdef COMPAT_LINUX32
3617 TAILQ_FOREACH(he, &linux32_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 #endif
3629 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3630 if (cmd >= he->low && cmd <= he->high) {
3631 error = (*he->func)(td, args);
3632 if (error != ENOIOCTL) {
3633 mtx_unlock(&Giant);
3634 sx_sunlock(&linux_ioctl_sx);
3635 fdrop(fp, td);
3636 return (error);
3637 }
3638 }
3639 }
3640 mtx_unlock(&Giant);
3641 sx_sunlock(&linux_ioctl_sx);
3642 fdrop(fp, td);
3643
3644 switch (args->cmd & 0xffff) {
3645 case LINUX_BTRFS_IOC_CLONE:
3646 case LINUX_F2FS_IOC_GET_FEATURES:
3647 case LINUX_FS_IOC_FIEMAP:
3648 return (ENOTSUP);
3649
3650 default:
3651 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3652 __func__, args->fd, args->cmd,
3653 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3654 break;
3655 }
3656
3657 return (EINVAL);
3658 }
3659
3660 int
3661 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3662 {
3663 struct linux_ioctl_handler *handler;
3664 int error, cmd, i;
3665
3666 cmd = args->cmd & 0xffff;
3667
3668 /*
3669 * array of ioctls known at compilation time. Elides a lot of work on
3670 * each call compared to the list variant. Everything frequently used
3671 * should be moved here.
3672 *
3673 * Arguably the magic creating the list should create an array instead.
3674 *
3675 * For now just a linear scan.
3676 */
3677 for (i = 0; i < nitems(linux_ioctls); i++) {
3678 handler = &linux_ioctls[i];
3679 if (cmd >= handler->low && cmd <= handler->high) {
3680 error = (*handler->func)(td, args);
3681 if (error != ENOIOCTL) {
3682 return (error);
3683 }
3684 }
3685 }
3686 return (linux_ioctl_fallback(td, args));
3687 }
3688
3689 int
3690 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3691 {
3692 struct linux_ioctl_handler_element *he, *cur;
3693
3694 if (h == NULL || h->func == NULL)
3695 return (EINVAL);
3696
3697 /*
3698 * Reuse the element if the handler is already on the list, otherwise
3699 * create a new element.
3700 */
3701 sx_xlock(&linux_ioctl_sx);
3702 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3703 if (he->func == h->func)
3704 break;
3705 }
3706 if (he == NULL) {
3707 he = malloc(sizeof(*he),
3708 M_LINUX, M_WAITOK);
3709 he->func = h->func;
3710 } else
3711 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3712
3713 /* Initialize range information. */
3714 he->low = h->low;
3715 he->high = h->high;
3716 he->span = h->high - h->low + 1;
3717
3718 /* Add the element to the list, sorted on span. */
3719 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) {
3720 if (cur->span > he->span) {
3721 TAILQ_INSERT_BEFORE(cur, he, list);
3722 sx_xunlock(&linux_ioctl_sx);
3723 return (0);
3724 }
3725 }
3726 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list);
3727 sx_xunlock(&linux_ioctl_sx);
3728
3729 return (0);
3730 }
3731
3732 int
3733 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3734 {
3735 struct linux_ioctl_handler_element *he;
3736
3737 if (h == NULL || h->func == NULL)
3738 return (EINVAL);
3739
3740 sx_xlock(&linux_ioctl_sx);
3741 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3742 if (he->func == h->func) {
3743 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3744 sx_xunlock(&linux_ioctl_sx);
3745 free(he, M_LINUX);
3746 return (0);
3747 }
3748 }
3749 sx_xunlock(&linux_ioctl_sx);
3750
3751 return (EINVAL);
3752 }
3753
3754 #ifdef COMPAT_LINUX32
3755 int
3756 linux32_ioctl_register_handler(struct linux_ioctl_handler *h)
3757 {
3758 struct linux_ioctl_handler_element *he, *cur;
3759
3760 if (h == NULL || h->func == NULL)
3761 return (EINVAL);
3762
3763 /*
3764 * Reuse the element if the handler is already on the list, otherwise
3765 * create a new element.
3766 */
3767 sx_xlock(&linux_ioctl_sx);
3768 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3769 if (he->func == h->func)
3770 break;
3771 }
3772 if (he == NULL) {
3773 he = malloc(sizeof(*he), M_LINUX, M_WAITOK);
3774 he->func = h->func;
3775 } else
3776 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3777
3778 /* Initialize range information. */
3779 he->low = h->low;
3780 he->high = h->high;
3781 he->span = h->high - h->low + 1;
3782
3783 /* Add the element to the list, sorted on span. */
3784 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) {
3785 if (cur->span > he->span) {
3786 TAILQ_INSERT_BEFORE(cur, he, list);
3787 sx_xunlock(&linux_ioctl_sx);
3788 return (0);
3789 }
3790 }
3791 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list);
3792 sx_xunlock(&linux_ioctl_sx);
3793
3794 return (0);
3795 }
3796
3797 int
3798 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3799 {
3800 struct linux_ioctl_handler_element *he;
3801
3802 if (h == NULL || h->func == NULL)
3803 return (EINVAL);
3804
3805 sx_xlock(&linux_ioctl_sx);
3806 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3807 if (he->func == h->func) {
3808 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3809 sx_xunlock(&linux_ioctl_sx);
3810 free(he, M_LINUX);
3811 return (0);
3812 }
3813 }
3814 sx_xunlock(&linux_ioctl_sx);
3815
3816 return (EINVAL);
3817 }
3818 #endif
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