1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
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 <sys/param.h>
30 #include <sys/capsicum.h>
31 #include <sys/cdio.h>
32 #include <sys/consio.h>
33 #include <sys/disk.h>
34 #include <sys/dvdio.h>
35 #include <sys/fcntl.h>
36 #include <sys/filio.h>
37 #include <sys/jail.h>
38 #include <sys/kbio.h>
39 #include <sys/kcov.h>
40 #include <sys/kernel.h>
41 #include <sys/linker_set.h>
42 #include <sys/lock.h>
43 #include <sys/malloc.h>
44 #include <sys/mman.h>
45 #include <sys/proc.h>
46 #include <sys/sbuf.h>
47 #include <sys/sockio.h>
48 #include <sys/soundcard.h>
49 #include <sys/syscallsubr.h>
50 #include <sys/sysctl.h>
51 #include <sys/sysproto.h>
52 #include <sys/sx.h>
53 #include <sys/tty.h>
54
55 #include <net/if.h>
56 #include <net/if_var.h>
57 #include <net/if_dl.h>
58 #include <net/if_types.h>
59
60 #include <dev/evdev/input.h>
61 #include <dev/usb/usb_ioctl.h>
62
63 #ifdef COMPAT_LINUX32
64 #include <machine/../linux32/linux.h>
65 #include <machine/../linux32/linux32_proto.h>
66 #else
67 #include <machine/../linux/linux.h>
68 #include <machine/../linux/linux_proto.h>
69 #endif
70
71 #include <compat/linux/linux_common.h>
72 #include <compat/linux/linux_ioctl.h>
73 #include <compat/linux/linux_mib.h>
74 #include <compat/linux/linux_socket.h>
75 #include <compat/linux/linux_time.h>
76 #include <compat/linux/linux_util.h>
77
78 #include <contrib/v4l/videodev.h>
79 #include <compat/linux/linux_videodev_compat.h>
80
81 #include <contrib/v4l/videodev2.h>
82 #include <compat/linux/linux_videodev2_compat.h>
83
84 #include <cam/scsi/scsi_sg.h>
85
86 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \
87 static linux_ioctl_function_t linux_ioctl_ ## shortname; \
88 static struct linux_ioctl_handler shortname ## _handler = { \
89 .func = linux_ioctl_ ## shortname, \
90 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \
91 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \
92 }; \
93 DATA_SET(linux_ioctl_handler_set, shortname ## _handler)
94
95 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM);
96 DEFINE_LINUX_IOCTL_SET(vfat, VFAT);
97 DEFINE_LINUX_IOCTL_SET(console, CONSOLE);
98 DEFINE_LINUX_IOCTL_SET(hdio, HDIO);
99 DEFINE_LINUX_IOCTL_SET(disk, DISK);
100 DEFINE_LINUX_IOCTL_SET(socket, SOCKET);
101 DEFINE_LINUX_IOCTL_SET(sound, SOUND);
102 DEFINE_LINUX_IOCTL_SET(termio, TERMIO);
103 DEFINE_LINUX_IOCTL_SET(private, PRIVATE);
104 DEFINE_LINUX_IOCTL_SET(drm, DRM);
105 DEFINE_LINUX_IOCTL_SET(sg, SG);
106 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO);
107 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2);
108 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB);
109 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV);
110 DEFINE_LINUX_IOCTL_SET(kcov, KCOV);
111
112 #undef DEFINE_LINUX_IOCTL_SET
113
114 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *);
115
116 /*
117 * Keep sorted by low.
118 */
119 static struct linux_ioctl_handler linux_ioctls[] = {
120 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN,
121 .high = LINUX_IOCTL_TERMIO_MAX },
122 };
123
124 #ifdef __i386__
125 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers =
126 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers);
127 static struct sx linux_ioctl_sx;
128 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers");
129 #else
130 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers;
131 extern struct sx linux_ioctl_sx;
132 #endif
133 #ifdef COMPAT_LINUX32
134 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers =
135 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers);
136 #endif
137
138 /*
139 * hdio related ioctls for VMWare support
140 */
141
142 struct linux_hd_geometry {
143 uint8_t heads;
144 uint8_t sectors;
145 uint16_t cylinders;
146 uint32_t start;
147 };
148
149 struct linux_hd_big_geometry {
150 uint8_t heads;
151 uint8_t sectors;
152 uint32_t cylinders;
153 uint32_t start;
154 };
155
156 static int
linux_ioctl_hdio(struct thread * td,struct linux_ioctl_args * args)157 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
158 {
159 struct file *fp;
160 int error;
161 u_int sectorsize, fwcylinders, fwheads, fwsectors;
162 off_t mediasize, bytespercyl;
163
164 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
165 if (error != 0)
166 return (error);
167 switch (args->cmd & 0xffff) {
168 case LINUX_HDIO_GET_GEO:
169 case LINUX_HDIO_GET_GEO_BIG:
170 error = fo_ioctl(fp, DIOCGMEDIASIZE,
171 (caddr_t)&mediasize, td->td_ucred, td);
172 if (!error)
173 error = fo_ioctl(fp, DIOCGSECTORSIZE,
174 (caddr_t)§orsize, td->td_ucred, td);
175 if (!error)
176 error = fo_ioctl(fp, DIOCGFWHEADS,
177 (caddr_t)&fwheads, td->td_ucred, td);
178 if (!error)
179 error = fo_ioctl(fp, DIOCGFWSECTORS,
180 (caddr_t)&fwsectors, td->td_ucred, td);
181 /*
182 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
183 * so pretend that GEOM always says 0. This is NOT VALID
184 * for slices or partitions, only the per-disk raw devices.
185 */
186
187 fdrop(fp, td);
188 if (error)
189 return (error);
190 /*
191 * 1. Calculate the number of bytes in a cylinder,
192 * given the firmware's notion of heads and sectors
193 * per cylinder.
194 * 2. Calculate the number of cylinders, given the total
195 * size of the media.
196 * All internal calculations should have 64-bit precision.
197 */
198 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
199 fwcylinders = mediasize / bytespercyl;
200
201 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
202 struct linux_hd_geometry hdg;
203
204 hdg.cylinders = fwcylinders;
205 hdg.heads = fwheads;
206 hdg.sectors = fwsectors;
207 hdg.start = 0;
208 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
209 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
210 struct linux_hd_big_geometry hdbg;
211
212 memset(&hdbg, 0, sizeof(hdbg));
213 hdbg.cylinders = fwcylinders;
214 hdbg.heads = fwheads;
215 hdbg.sectors = fwsectors;
216 hdbg.start = 0;
217 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
218 }
219 return (error);
220 break;
221 default:
222 /* XXX */
223 linux_msg(td,
224 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented",
225 __func__, args->fd, args->cmd,
226 (int)(args->cmd & 0xff00) >> 8,
227 (int)(args->cmd & 0xff));
228 break;
229 }
230 fdrop(fp, td);
231 return (ENOIOCTL);
232 }
233
234 static int
linux_ioctl_disk(struct thread * td,struct linux_ioctl_args * args)235 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
236 {
237 struct file *fp;
238 int error;
239 u_int sectorsize, psectorsize;
240 uint64_t blksize64;
241 off_t mediasize, stripesize;
242
243 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
244 if (error != 0)
245 return (error);
246 switch (args->cmd & 0xffff) {
247 case LINUX_BLKGETSIZE:
248 error = fo_ioctl(fp, DIOCGSECTORSIZE,
249 (caddr_t)§orsize, td->td_ucred, td);
250 if (!error)
251 error = fo_ioctl(fp, DIOCGMEDIASIZE,
252 (caddr_t)&mediasize, td->td_ucred, td);
253 fdrop(fp, td);
254 if (error)
255 return (error);
256 sectorsize = mediasize / sectorsize;
257 /*
258 * XXX: How do we know we return the right size of integer ?
259 */
260 return (copyout(§orsize, (void *)args->arg,
261 sizeof(sectorsize)));
262 break;
263 case LINUX_BLKGETSIZE64:
264 error = fo_ioctl(fp, DIOCGMEDIASIZE,
265 (caddr_t)&mediasize, td->td_ucred, td);
266 fdrop(fp, td);
267 if (error)
268 return (error);
269 blksize64 = mediasize;
270 return (copyout(&blksize64, (void *)args->arg,
271 sizeof(blksize64)));
272 case LINUX_BLKSSZGET:
273 error = fo_ioctl(fp, DIOCGSECTORSIZE,
274 (caddr_t)§orsize, td->td_ucred, td);
275 fdrop(fp, td);
276 if (error)
277 return (error);
278 return (copyout(§orsize, (void *)args->arg,
279 sizeof(sectorsize)));
280 break;
281 case LINUX_BLKPBSZGET:
282 error = fo_ioctl(fp, DIOCGSTRIPESIZE,
283 (caddr_t)&stripesize, td->td_ucred, td);
284 if (error != 0) {
285 fdrop(fp, td);
286 return (error);
287 }
288 if (stripesize > 0 && stripesize <= 4096) {
289 psectorsize = stripesize;
290 } else {
291 error = fo_ioctl(fp, DIOCGSECTORSIZE,
292 (caddr_t)§orsize, td->td_ucred, td);
293 if (error != 0) {
294 fdrop(fp, td);
295 return (error);
296 }
297 psectorsize = sectorsize;
298 }
299 fdrop(fp, td);
300 return (copyout(&psectorsize, (void *)args->arg,
301 sizeof(psectorsize)));
302 }
303 fdrop(fp, td);
304 return (ENOIOCTL);
305 }
306
307 /*
308 * termio related ioctls
309 */
310
311 struct linux_termio {
312 unsigned short c_iflag;
313 unsigned short c_oflag;
314 unsigned short c_cflag;
315 unsigned short c_lflag;
316 unsigned char c_line;
317 unsigned char c_cc[LINUX_NCC];
318 };
319
320 struct linux_termios {
321 unsigned int c_iflag;
322 unsigned int c_oflag;
323 unsigned int c_cflag;
324 unsigned int c_lflag;
325 unsigned char c_line;
326 unsigned char c_cc[LINUX_NCCS];
327 };
328
329 struct linux_winsize {
330 unsigned short ws_row, ws_col;
331 unsigned short ws_xpixel, ws_ypixel;
332 };
333
334 struct speedtab {
335 int sp_speed; /* Speed. */
336 int sp_code; /* Code. */
337 };
338
339 static struct speedtab sptab[] = {
340 { B0, LINUX_B0 }, { B50, LINUX_B50 },
341 { B75, LINUX_B75 }, { B110, LINUX_B110 },
342 { B134, LINUX_B134 }, { B150, LINUX_B150 },
343 { B200, LINUX_B200 }, { B300, LINUX_B300 },
344 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
345 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
346 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
347 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
348 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
349 {-1, -1 }
350 };
351
352 struct linux_serial_struct {
353 int type;
354 int line;
355 int port;
356 int irq;
357 int flags;
358 int xmit_fifo_size;
359 int custom_divisor;
360 int baud_base;
361 unsigned short close_delay;
362 char reserved_char[2];
363 int hub6;
364 unsigned short closing_wait;
365 unsigned short closing_wait2;
366 int reserved[4];
367 };
368
369 static int
linux_to_bsd_speed(int code,struct speedtab * table)370 linux_to_bsd_speed(int code, struct speedtab *table)
371 {
372 for ( ; table->sp_code != -1; table++)
373 if (table->sp_code == code)
374 return (table->sp_speed);
375 return (-1);
376 }
377
378 static int
bsd_to_linux_speed(int speed,struct speedtab * table)379 bsd_to_linux_speed(int speed, struct speedtab *table)
380 {
381 for ( ; table->sp_speed != -1; table++)
382 if (table->sp_speed == speed)
383 return (table->sp_code);
384 return (-1);
385 }
386
387 static void
bsd_to_linux_termios(struct termios * bios,struct linux_termios * lios)388 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
389 {
390 int i;
391
392 lios->c_iflag = 0;
393 if (bios->c_iflag & IGNBRK)
394 lios->c_iflag |= LINUX_IGNBRK;
395 if (bios->c_iflag & BRKINT)
396 lios->c_iflag |= LINUX_BRKINT;
397 if (bios->c_iflag & IGNPAR)
398 lios->c_iflag |= LINUX_IGNPAR;
399 if (bios->c_iflag & PARMRK)
400 lios->c_iflag |= LINUX_PARMRK;
401 if (bios->c_iflag & INPCK)
402 lios->c_iflag |= LINUX_INPCK;
403 if (bios->c_iflag & ISTRIP)
404 lios->c_iflag |= LINUX_ISTRIP;
405 if (bios->c_iflag & INLCR)
406 lios->c_iflag |= LINUX_INLCR;
407 if (bios->c_iflag & IGNCR)
408 lios->c_iflag |= LINUX_IGNCR;
409 if (bios->c_iflag & ICRNL)
410 lios->c_iflag |= LINUX_ICRNL;
411 if (bios->c_iflag & IXON)
412 lios->c_iflag |= LINUX_IXON;
413 if (bios->c_iflag & IXANY)
414 lios->c_iflag |= LINUX_IXANY;
415 if (bios->c_iflag & IXOFF)
416 lios->c_iflag |= LINUX_IXOFF;
417 if (bios->c_iflag & IMAXBEL)
418 lios->c_iflag |= LINUX_IMAXBEL;
419
420 lios->c_oflag = 0;
421 if (bios->c_oflag & OPOST)
422 lios->c_oflag |= LINUX_OPOST;
423 if (bios->c_oflag & ONLCR)
424 lios->c_oflag |= LINUX_ONLCR;
425 if (bios->c_oflag & TAB3)
426 lios->c_oflag |= LINUX_XTABS;
427
428 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
429 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
430 if (bios->c_cflag & CSTOPB)
431 lios->c_cflag |= LINUX_CSTOPB;
432 if (bios->c_cflag & CREAD)
433 lios->c_cflag |= LINUX_CREAD;
434 if (bios->c_cflag & PARENB)
435 lios->c_cflag |= LINUX_PARENB;
436 if (bios->c_cflag & PARODD)
437 lios->c_cflag |= LINUX_PARODD;
438 if (bios->c_cflag & HUPCL)
439 lios->c_cflag |= LINUX_HUPCL;
440 if (bios->c_cflag & CLOCAL)
441 lios->c_cflag |= LINUX_CLOCAL;
442 if (bios->c_cflag & CRTSCTS)
443 lios->c_cflag |= LINUX_CRTSCTS;
444
445 lios->c_lflag = 0;
446 if (bios->c_lflag & ISIG)
447 lios->c_lflag |= LINUX_ISIG;
448 if (bios->c_lflag & ICANON)
449 lios->c_lflag |= LINUX_ICANON;
450 if (bios->c_lflag & ECHO)
451 lios->c_lflag |= LINUX_ECHO;
452 if (bios->c_lflag & ECHOE)
453 lios->c_lflag |= LINUX_ECHOE;
454 if (bios->c_lflag & ECHOK)
455 lios->c_lflag |= LINUX_ECHOK;
456 if (bios->c_lflag & ECHONL)
457 lios->c_lflag |= LINUX_ECHONL;
458 if (bios->c_lflag & NOFLSH)
459 lios->c_lflag |= LINUX_NOFLSH;
460 if (bios->c_lflag & TOSTOP)
461 lios->c_lflag |= LINUX_TOSTOP;
462 if (bios->c_lflag & ECHOCTL)
463 lios->c_lflag |= LINUX_ECHOCTL;
464 if (bios->c_lflag & ECHOPRT)
465 lios->c_lflag |= LINUX_ECHOPRT;
466 if (bios->c_lflag & ECHOKE)
467 lios->c_lflag |= LINUX_ECHOKE;
468 if (bios->c_lflag & FLUSHO)
469 lios->c_lflag |= LINUX_FLUSHO;
470 if (bios->c_lflag & PENDIN)
471 lios->c_lflag |= LINUX_PENDIN;
472 if (bios->c_lflag & IEXTEN)
473 lios->c_lflag |= LINUX_IEXTEN;
474
475 for (i=0; i<LINUX_NCCS; i++)
476 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
477 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
478 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
479 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
480 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
481 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
482 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
483 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
484 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
485 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
486 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
487 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
488 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
489 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
490 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
491 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
492 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
493 if (linux_preserve_vstatus)
494 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS];
495
496 for (i=0; i<LINUX_NCCS; i++) {
497 if (i != LINUX_VMIN && i != LINUX_VTIME &&
498 lios->c_cc[i] == _POSIX_VDISABLE)
499 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
500 }
501 lios->c_line = 0;
502 }
503
504 static void
linux_to_bsd_termios(struct linux_termios * lios,struct termios * bios)505 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
506 {
507 int i;
508
509 bios->c_iflag = 0;
510 if (lios->c_iflag & LINUX_IGNBRK)
511 bios->c_iflag |= IGNBRK;
512 if (lios->c_iflag & LINUX_BRKINT)
513 bios->c_iflag |= BRKINT;
514 if (lios->c_iflag & LINUX_IGNPAR)
515 bios->c_iflag |= IGNPAR;
516 if (lios->c_iflag & LINUX_PARMRK)
517 bios->c_iflag |= PARMRK;
518 if (lios->c_iflag & LINUX_INPCK)
519 bios->c_iflag |= INPCK;
520 if (lios->c_iflag & LINUX_ISTRIP)
521 bios->c_iflag |= ISTRIP;
522 if (lios->c_iflag & LINUX_INLCR)
523 bios->c_iflag |= INLCR;
524 if (lios->c_iflag & LINUX_IGNCR)
525 bios->c_iflag |= IGNCR;
526 if (lios->c_iflag & LINUX_ICRNL)
527 bios->c_iflag |= ICRNL;
528 if (lios->c_iflag & LINUX_IXON)
529 bios->c_iflag |= IXON;
530 if (lios->c_iflag & LINUX_IXANY)
531 bios->c_iflag |= IXANY;
532 if (lios->c_iflag & LINUX_IXOFF)
533 bios->c_iflag |= IXOFF;
534 if (lios->c_iflag & LINUX_IMAXBEL)
535 bios->c_iflag |= IMAXBEL;
536
537 bios->c_oflag = 0;
538 if (lios->c_oflag & LINUX_OPOST)
539 bios->c_oflag |= OPOST;
540 if (lios->c_oflag & LINUX_ONLCR)
541 bios->c_oflag |= ONLCR;
542 if (lios->c_oflag & LINUX_XTABS)
543 bios->c_oflag |= TAB3;
544
545 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
546 if (lios->c_cflag & LINUX_CSTOPB)
547 bios->c_cflag |= CSTOPB;
548 if (lios->c_cflag & LINUX_CREAD)
549 bios->c_cflag |= CREAD;
550 if (lios->c_cflag & LINUX_PARENB)
551 bios->c_cflag |= PARENB;
552 if (lios->c_cflag & LINUX_PARODD)
553 bios->c_cflag |= PARODD;
554 if (lios->c_cflag & LINUX_HUPCL)
555 bios->c_cflag |= HUPCL;
556 if (lios->c_cflag & LINUX_CLOCAL)
557 bios->c_cflag |= CLOCAL;
558 if (lios->c_cflag & LINUX_CRTSCTS)
559 bios->c_cflag |= CRTSCTS;
560
561 bios->c_lflag = 0;
562 if (lios->c_lflag & LINUX_ISIG)
563 bios->c_lflag |= ISIG;
564 if (lios->c_lflag & LINUX_ICANON)
565 bios->c_lflag |= ICANON;
566 if (lios->c_lflag & LINUX_ECHO)
567 bios->c_lflag |= ECHO;
568 if (lios->c_lflag & LINUX_ECHOE)
569 bios->c_lflag |= ECHOE;
570 if (lios->c_lflag & LINUX_ECHOK)
571 bios->c_lflag |= ECHOK;
572 if (lios->c_lflag & LINUX_ECHONL)
573 bios->c_lflag |= ECHONL;
574 if (lios->c_lflag & LINUX_NOFLSH)
575 bios->c_lflag |= NOFLSH;
576 if (lios->c_lflag & LINUX_TOSTOP)
577 bios->c_lflag |= TOSTOP;
578 if (lios->c_lflag & LINUX_ECHOCTL)
579 bios->c_lflag |= ECHOCTL;
580 if (lios->c_lflag & LINUX_ECHOPRT)
581 bios->c_lflag |= ECHOPRT;
582 if (lios->c_lflag & LINUX_ECHOKE)
583 bios->c_lflag |= ECHOKE;
584 if (lios->c_lflag & LINUX_FLUSHO)
585 bios->c_lflag |= FLUSHO;
586 if (lios->c_lflag & LINUX_PENDIN)
587 bios->c_lflag |= PENDIN;
588 if (lios->c_lflag & LINUX_IEXTEN)
589 bios->c_lflag |= IEXTEN;
590
591 for (i=0; i<NCCS; i++)
592 bios->c_cc[i] = _POSIX_VDISABLE;
593 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
594 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
595 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
596 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
597 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
598 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
599 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
600 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
601 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
602 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
603 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
604 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
605 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
606 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
607 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
608 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
609 if (linux_preserve_vstatus)
610 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS];
611
612 for (i=0; i<NCCS; i++) {
613 if (i != VMIN && i != VTIME &&
614 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
615 bios->c_cc[i] = _POSIX_VDISABLE;
616 }
617
618 bios->c_ispeed = bios->c_ospeed =
619 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
620 }
621
622 static void
bsd_to_linux_termio(struct termios * bios,struct linux_termio * lio)623 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
624 {
625 struct linux_termios lios;
626
627 memset(lio, 0, sizeof(*lio));
628 bsd_to_linux_termios(bios, &lios);
629 lio->c_iflag = lios.c_iflag;
630 lio->c_oflag = lios.c_oflag;
631 lio->c_cflag = lios.c_cflag;
632 lio->c_lflag = lios.c_lflag;
633 lio->c_line = lios.c_line;
634 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
635 }
636
637 static void
linux_to_bsd_termio(struct linux_termio * lio,struct termios * bios)638 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
639 {
640 struct linux_termios lios;
641 int i;
642
643 lios.c_iflag = lio->c_iflag;
644 lios.c_oflag = lio->c_oflag;
645 lios.c_cflag = lio->c_cflag;
646 lios.c_lflag = lio->c_lflag;
647 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
648 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
649 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
650 linux_to_bsd_termios(&lios, bios);
651 }
652
653 static int
linux_ioctl_termio(struct thread * td,struct linux_ioctl_args * args)654 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
655 {
656 struct termios bios;
657 struct linux_termios lios;
658 struct linux_termio lio;
659 struct file *fp;
660 int error;
661
662 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
663 if (error != 0)
664 return (error);
665
666 switch (args->cmd & 0xffff) {
667 case LINUX_TCGETS:
668 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
669 td);
670 if (error)
671 break;
672 bsd_to_linux_termios(&bios, &lios);
673 error = copyout(&lios, (void *)args->arg, sizeof(lios));
674 break;
675
676 case LINUX_TCSETS:
677 error = copyin((void *)args->arg, &lios, sizeof(lios));
678 if (error)
679 break;
680 linux_to_bsd_termios(&lios, &bios);
681 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
682 td));
683 break;
684
685 case LINUX_TCSETSW:
686 error = copyin((void *)args->arg, &lios, sizeof(lios));
687 if (error)
688 break;
689 linux_to_bsd_termios(&lios, &bios);
690 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
691 td));
692 break;
693
694 case LINUX_TCSETSF:
695 error = copyin((void *)args->arg, &lios, sizeof(lios));
696 if (error)
697 break;
698 linux_to_bsd_termios(&lios, &bios);
699 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
700 td));
701 break;
702
703 case LINUX_TCGETA:
704 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
705 td);
706 if (error)
707 break;
708 bsd_to_linux_termio(&bios, &lio);
709 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
710 break;
711
712 case LINUX_TCSETA:
713 error = copyin((void *)args->arg, &lio, sizeof(lio));
714 if (error)
715 break;
716 linux_to_bsd_termio(&lio, &bios);
717 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
718 td));
719 break;
720
721 case LINUX_TCSETAW:
722 error = copyin((void *)args->arg, &lio, sizeof(lio));
723 if (error)
724 break;
725 linux_to_bsd_termio(&lio, &bios);
726 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
727 td));
728 break;
729
730 case LINUX_TCSETAF:
731 error = copyin((void *)args->arg, &lio, sizeof(lio));
732 if (error)
733 break;
734 linux_to_bsd_termio(&lio, &bios);
735 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
736 td));
737 break;
738
739 case LINUX_TCSBRK:
740 if (args->arg != 0) {
741 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred,
742 td));
743 } else {
744 linux_msg(td, "ioctl TCSBRK arg 0 not implemented");
745 error = ENOIOCTL;
746 }
747 break;
748
749 case LINUX_TCXONC: {
750 switch (args->arg) {
751 case LINUX_TCOOFF:
752 args->cmd = TIOCSTOP;
753 break;
754 case LINUX_TCOON:
755 args->cmd = TIOCSTART;
756 break;
757 case LINUX_TCIOFF:
758 case LINUX_TCION: {
759 int c;
760 struct write_args wr;
761 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
762 td->td_ucred, td);
763 if (error)
764 break;
765 fdrop(fp, td);
766 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
767 c = bios.c_cc[c];
768 if (c != _POSIX_VDISABLE) {
769 wr.fd = args->fd;
770 wr.buf = &c;
771 wr.nbyte = sizeof(c);
772 return (sys_write(td, &wr));
773 } else
774 return (0);
775 }
776 default:
777 fdrop(fp, td);
778 return (EINVAL);
779 }
780 args->arg = 0;
781 error = (sys_ioctl(td, (struct ioctl_args *)args));
782 break;
783 }
784
785 case LINUX_TCFLSH: {
786 int val;
787 switch (args->arg) {
788 case LINUX_TCIFLUSH:
789 val = FREAD;
790 break;
791 case LINUX_TCOFLUSH:
792 val = FWRITE;
793 break;
794 case LINUX_TCIOFLUSH:
795 val = FREAD | FWRITE;
796 break;
797 default:
798 fdrop(fp, td);
799 return (EINVAL);
800 }
801 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
802 break;
803 }
804
805 case LINUX_TIOCEXCL:
806 args->cmd = TIOCEXCL;
807 error = (sys_ioctl(td, (struct ioctl_args *)args));
808 break;
809
810 case LINUX_TIOCNXCL:
811 args->cmd = TIOCNXCL;
812 error = (sys_ioctl(td, (struct ioctl_args *)args));
813 break;
814
815 case LINUX_TIOCSCTTY:
816 args->cmd = TIOCSCTTY;
817 error = (sys_ioctl(td, (struct ioctl_args *)args));
818 break;
819
820 case LINUX_TIOCGPGRP:
821 args->cmd = TIOCGPGRP;
822 error = (sys_ioctl(td, (struct ioctl_args *)args));
823 break;
824
825 case LINUX_TIOCSPGRP:
826 args->cmd = TIOCSPGRP;
827 error = (sys_ioctl(td, (struct ioctl_args *)args));
828 break;
829
830 /* LINUX_TIOCOUTQ */
831 /* LINUX_TIOCSTI */
832
833 case LINUX_TIOCGWINSZ:
834 args->cmd = TIOCGWINSZ;
835 error = (sys_ioctl(td, (struct ioctl_args *)args));
836 break;
837
838 case LINUX_TIOCSWINSZ:
839 args->cmd = TIOCSWINSZ;
840 error = (sys_ioctl(td, (struct ioctl_args *)args));
841 break;
842
843 case LINUX_TIOCMGET:
844 args->cmd = TIOCMGET;
845 error = (sys_ioctl(td, (struct ioctl_args *)args));
846 break;
847
848 case LINUX_TIOCMBIS:
849 args->cmd = TIOCMBIS;
850 error = (sys_ioctl(td, (struct ioctl_args *)args));
851 break;
852
853 case LINUX_TIOCMBIC:
854 args->cmd = TIOCMBIC;
855 error = (sys_ioctl(td, (struct ioctl_args *)args));
856 break;
857
858 case LINUX_TIOCMSET:
859 args->cmd = TIOCMSET;
860 error = (sys_ioctl(td, (struct ioctl_args *)args));
861 break;
862
863 /* TIOCGSOFTCAR */
864 /* TIOCSSOFTCAR */
865
866 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
867 args->cmd = FIONREAD;
868 error = (sys_ioctl(td, (struct ioctl_args *)args));
869 break;
870
871 /* LINUX_TIOCLINUX */
872
873 case LINUX_TIOCCONS:
874 args->cmd = TIOCCONS;
875 error = (sys_ioctl(td, (struct ioctl_args *)args));
876 break;
877
878 case LINUX_TIOCGSERIAL: {
879 struct linux_serial_struct lss;
880
881 bzero(&lss, sizeof(lss));
882 lss.type = LINUX_PORT_16550A;
883 lss.flags = 0;
884 lss.close_delay = 0;
885 error = copyout(&lss, (void *)args->arg, sizeof(lss));
886 break;
887 }
888
889 case LINUX_TIOCSSERIAL: {
890 struct linux_serial_struct lss;
891 error = copyin((void *)args->arg, &lss, sizeof(lss));
892 if (error)
893 break;
894 /* XXX - It really helps to have an implementation that
895 * does nothing. NOT!
896 */
897 error = 0;
898 break;
899 }
900
901 case LINUX_TIOCPKT:
902 args->cmd = TIOCPKT;
903 error = (sys_ioctl(td, (struct ioctl_args *)args));
904 break;
905
906 case LINUX_FIONBIO:
907 args->cmd = FIONBIO;
908 error = (sys_ioctl(td, (struct ioctl_args *)args));
909 break;
910
911 case LINUX_TIOCNOTTY:
912 args->cmd = TIOCNOTTY;
913 error = (sys_ioctl(td, (struct ioctl_args *)args));
914 break;
915
916 case LINUX_TIOCSETD: {
917 int line;
918 switch (args->arg) {
919 case LINUX_N_TTY:
920 line = TTYDISC;
921 break;
922 case LINUX_N_SLIP:
923 line = SLIPDISC;
924 break;
925 case LINUX_N_PPP:
926 line = PPPDISC;
927 break;
928 default:
929 fdrop(fp, td);
930 return (EINVAL);
931 }
932 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
933 td));
934 break;
935 }
936
937 case LINUX_TIOCGETD: {
938 int linux_line;
939 int bsd_line = TTYDISC;
940 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
941 td->td_ucred, td);
942 if (error)
943 break;
944 switch (bsd_line) {
945 case TTYDISC:
946 linux_line = LINUX_N_TTY;
947 break;
948 case SLIPDISC:
949 linux_line = LINUX_N_SLIP;
950 break;
951 case PPPDISC:
952 linux_line = LINUX_N_PPP;
953 break;
954 default:
955 fdrop(fp, td);
956 return (EINVAL);
957 }
958 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
959 break;
960 }
961
962 /* LINUX_TCSBRKP */
963 /* LINUX_TIOCTTYGSTRUCT */
964
965 case LINUX_FIONCLEX:
966 args->cmd = FIONCLEX;
967 error = (sys_ioctl(td, (struct ioctl_args *)args));
968 break;
969
970 case LINUX_FIOCLEX:
971 args->cmd = FIOCLEX;
972 error = (sys_ioctl(td, (struct ioctl_args *)args));
973 break;
974
975 case LINUX_FIOASYNC:
976 args->cmd = FIOASYNC;
977 error = (sys_ioctl(td, (struct ioctl_args *)args));
978 break;
979
980 /* LINUX_TIOCSERCONFIG */
981 /* LINUX_TIOCSERGWILD */
982 /* LINUX_TIOCSERSWILD */
983 /* LINUX_TIOCGLCKTRMIOS */
984 /* LINUX_TIOCSLCKTRMIOS */
985
986 case LINUX_TIOCSBRK:
987 args->cmd = TIOCSBRK;
988 error = (sys_ioctl(td, (struct ioctl_args *)args));
989 break;
990
991 case LINUX_TIOCCBRK:
992 args->cmd = TIOCCBRK;
993 error = (sys_ioctl(td, (struct ioctl_args *)args));
994 break;
995 case LINUX_TIOCGPTN: {
996 int nb;
997
998 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
999 if (!error)
1000 error = copyout(&nb, (void *)args->arg,
1001 sizeof(int));
1002 break;
1003 }
1004 case LINUX_TIOCGPTPEER:
1005 linux_msg(td, "unsupported ioctl TIOCGPTPEER");
1006 error = ENOIOCTL;
1007 break;
1008 case LINUX_TIOCSPTLCK:
1009 /*
1010 * Our unlockpt() does nothing. Check that fd refers
1011 * to a pseudo-terminal master device.
1012 */
1013 args->cmd = TIOCPTMASTER;
1014 error = (sys_ioctl(td, (struct ioctl_args *)args));
1015 break;
1016 default:
1017 error = ENOIOCTL;
1018 break;
1019 }
1020
1021 fdrop(fp, td);
1022 return (error);
1023 }
1024
1025 /*
1026 * CDROM related ioctls
1027 */
1028
1029 struct linux_cdrom_msf
1030 {
1031 u_char cdmsf_min0;
1032 u_char cdmsf_sec0;
1033 u_char cdmsf_frame0;
1034 u_char cdmsf_min1;
1035 u_char cdmsf_sec1;
1036 u_char cdmsf_frame1;
1037 };
1038
1039 struct linux_cdrom_tochdr
1040 {
1041 u_char cdth_trk0;
1042 u_char cdth_trk1;
1043 };
1044
1045 union linux_cdrom_addr
1046 {
1047 struct {
1048 u_char minute;
1049 u_char second;
1050 u_char frame;
1051 } msf;
1052 int lba;
1053 };
1054
1055 struct linux_cdrom_tocentry
1056 {
1057 u_char cdte_track;
1058 u_char cdte_adr:4;
1059 u_char cdte_ctrl:4;
1060 u_char cdte_format;
1061 union linux_cdrom_addr cdte_addr;
1062 u_char cdte_datamode;
1063 };
1064
1065 struct linux_cdrom_subchnl
1066 {
1067 u_char cdsc_format;
1068 u_char cdsc_audiostatus;
1069 u_char cdsc_adr:4;
1070 u_char cdsc_ctrl:4;
1071 u_char cdsc_trk;
1072 u_char cdsc_ind;
1073 union linux_cdrom_addr cdsc_absaddr;
1074 union linux_cdrom_addr cdsc_reladdr;
1075 };
1076
1077 struct l_cdrom_read_audio {
1078 union linux_cdrom_addr addr;
1079 u_char addr_format;
1080 l_int nframes;
1081 u_char *buf;
1082 };
1083
1084 struct l_dvd_layer {
1085 u_char book_version:4;
1086 u_char book_type:4;
1087 u_char min_rate:4;
1088 u_char disc_size:4;
1089 u_char layer_type:4;
1090 u_char track_path:1;
1091 u_char nlayers:2;
1092 u_char track_density:4;
1093 u_char linear_density:4;
1094 u_char bca:1;
1095 uint32_t start_sector;
1096 uint32_t end_sector;
1097 uint32_t end_sector_l0;
1098 };
1099
1100 struct l_dvd_physical {
1101 u_char type;
1102 u_char layer_num;
1103 struct l_dvd_layer layer[4];
1104 };
1105
1106 struct l_dvd_copyright {
1107 u_char type;
1108 u_char layer_num;
1109 u_char cpst;
1110 u_char rmi;
1111 };
1112
1113 struct l_dvd_disckey {
1114 u_char type;
1115 l_uint agid:2;
1116 u_char value[2048];
1117 };
1118
1119 struct l_dvd_bca {
1120 u_char type;
1121 l_int len;
1122 u_char value[188];
1123 };
1124
1125 struct l_dvd_manufact {
1126 u_char type;
1127 u_char layer_num;
1128 l_int len;
1129 u_char value[2048];
1130 };
1131
1132 typedef union {
1133 u_char type;
1134 struct l_dvd_physical physical;
1135 struct l_dvd_copyright copyright;
1136 struct l_dvd_disckey disckey;
1137 struct l_dvd_bca bca;
1138 struct l_dvd_manufact manufact;
1139 } l_dvd_struct;
1140
1141 typedef u_char l_dvd_key[5];
1142 typedef u_char l_dvd_challenge[10];
1143
1144 struct l_dvd_lu_send_agid {
1145 u_char type;
1146 l_uint agid:2;
1147 };
1148
1149 struct l_dvd_host_send_challenge {
1150 u_char type;
1151 l_uint agid:2;
1152 l_dvd_challenge chal;
1153 };
1154
1155 struct l_dvd_send_key {
1156 u_char type;
1157 l_uint agid:2;
1158 l_dvd_key key;
1159 };
1160
1161 struct l_dvd_lu_send_challenge {
1162 u_char type;
1163 l_uint agid:2;
1164 l_dvd_challenge chal;
1165 };
1166
1167 struct l_dvd_lu_send_title_key {
1168 u_char type;
1169 l_uint agid:2;
1170 l_dvd_key title_key;
1171 l_int lba;
1172 l_uint cpm:1;
1173 l_uint cp_sec:1;
1174 l_uint cgms:2;
1175 };
1176
1177 struct l_dvd_lu_send_asf {
1178 u_char type;
1179 l_uint agid:2;
1180 l_uint asf:1;
1181 };
1182
1183 struct l_dvd_host_send_rpcstate {
1184 u_char type;
1185 u_char pdrc;
1186 };
1187
1188 struct l_dvd_lu_send_rpcstate {
1189 u_char type:2;
1190 u_char vra:3;
1191 u_char ucca:3;
1192 u_char region_mask;
1193 u_char rpc_scheme;
1194 };
1195
1196 typedef union {
1197 u_char type;
1198 struct l_dvd_lu_send_agid lsa;
1199 struct l_dvd_host_send_challenge hsc;
1200 struct l_dvd_send_key lsk;
1201 struct l_dvd_lu_send_challenge lsc;
1202 struct l_dvd_send_key hsk;
1203 struct l_dvd_lu_send_title_key lstk;
1204 struct l_dvd_lu_send_asf lsasf;
1205 struct l_dvd_host_send_rpcstate hrpcs;
1206 struct l_dvd_lu_send_rpcstate lrpcs;
1207 } l_dvd_authinfo;
1208
1209 static void
bsd_to_linux_msf_lba(u_char af,union msf_lba * bp,union linux_cdrom_addr * lp)1210 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1211 {
1212 if (af == CD_LBA_FORMAT)
1213 lp->lba = bp->lba;
1214 else {
1215 lp->msf.minute = bp->msf.minute;
1216 lp->msf.second = bp->msf.second;
1217 lp->msf.frame = bp->msf.frame;
1218 }
1219 }
1220
1221 static void
set_linux_cdrom_addr(union linux_cdrom_addr * addr,int format,int lba)1222 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1223 {
1224 if (format == LINUX_CDROM_MSF) {
1225 addr->msf.frame = lba % 75;
1226 lba /= 75;
1227 lba += 2;
1228 addr->msf.second = lba % 60;
1229 addr->msf.minute = lba / 60;
1230 } else
1231 addr->lba = lba;
1232 }
1233
1234 static int
linux_to_bsd_dvd_struct(l_dvd_struct * lp,struct dvd_struct * bp)1235 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1236 {
1237 bp->format = lp->type;
1238 switch (bp->format) {
1239 case DVD_STRUCT_PHYSICAL:
1240 if (bp->layer_num >= 4)
1241 return (EINVAL);
1242 bp->layer_num = lp->physical.layer_num;
1243 break;
1244 case DVD_STRUCT_COPYRIGHT:
1245 bp->layer_num = lp->copyright.layer_num;
1246 break;
1247 case DVD_STRUCT_DISCKEY:
1248 bp->agid = lp->disckey.agid;
1249 break;
1250 case DVD_STRUCT_BCA:
1251 case DVD_STRUCT_MANUFACT:
1252 break;
1253 default:
1254 return (EINVAL);
1255 }
1256 return (0);
1257 }
1258
1259 static int
bsd_to_linux_dvd_struct(struct dvd_struct * bp,l_dvd_struct * lp)1260 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1261 {
1262 switch (bp->format) {
1263 case DVD_STRUCT_PHYSICAL: {
1264 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1265 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1266 memset(llp, 0, sizeof(*llp));
1267 llp->book_version = blp->book_version;
1268 llp->book_type = blp->book_type;
1269 llp->min_rate = blp->max_rate;
1270 llp->disc_size = blp->disc_size;
1271 llp->layer_type = blp->layer_type;
1272 llp->track_path = blp->track_path;
1273 llp->nlayers = blp->nlayers;
1274 llp->track_density = blp->track_density;
1275 llp->linear_density = blp->linear_density;
1276 llp->bca = blp->bca;
1277 llp->start_sector = blp->start_sector;
1278 llp->end_sector = blp->end_sector;
1279 llp->end_sector_l0 = blp->end_sector_l0;
1280 break;
1281 }
1282 case DVD_STRUCT_COPYRIGHT:
1283 lp->copyright.cpst = bp->cpst;
1284 lp->copyright.rmi = bp->rmi;
1285 break;
1286 case DVD_STRUCT_DISCKEY:
1287 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1288 break;
1289 case DVD_STRUCT_BCA:
1290 lp->bca.len = bp->length;
1291 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1292 break;
1293 case DVD_STRUCT_MANUFACT:
1294 lp->manufact.len = bp->length;
1295 memcpy(lp->manufact.value, bp->data,
1296 sizeof(lp->manufact.value));
1297 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */
1298 break;
1299 default:
1300 return (EINVAL);
1301 }
1302 return (0);
1303 }
1304
1305 static int
linux_to_bsd_dvd_authinfo(l_dvd_authinfo * lp,int * bcode,struct dvd_authinfo * bp)1306 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1307 struct dvd_authinfo *bp)
1308 {
1309 switch (lp->type) {
1310 case LINUX_DVD_LU_SEND_AGID:
1311 *bcode = DVDIOCREPORTKEY;
1312 bp->format = DVD_REPORT_AGID;
1313 bp->agid = lp->lsa.agid;
1314 break;
1315 case LINUX_DVD_HOST_SEND_CHALLENGE:
1316 *bcode = DVDIOCSENDKEY;
1317 bp->format = DVD_SEND_CHALLENGE;
1318 bp->agid = lp->hsc.agid;
1319 memcpy(bp->keychal, lp->hsc.chal, 10);
1320 break;
1321 case LINUX_DVD_LU_SEND_KEY1:
1322 *bcode = DVDIOCREPORTKEY;
1323 bp->format = DVD_REPORT_KEY1;
1324 bp->agid = lp->lsk.agid;
1325 break;
1326 case LINUX_DVD_LU_SEND_CHALLENGE:
1327 *bcode = DVDIOCREPORTKEY;
1328 bp->format = DVD_REPORT_CHALLENGE;
1329 bp->agid = lp->lsc.agid;
1330 break;
1331 case LINUX_DVD_HOST_SEND_KEY2:
1332 *bcode = DVDIOCSENDKEY;
1333 bp->format = DVD_SEND_KEY2;
1334 bp->agid = lp->hsk.agid;
1335 memcpy(bp->keychal, lp->hsk.key, 5);
1336 break;
1337 case LINUX_DVD_LU_SEND_TITLE_KEY:
1338 *bcode = DVDIOCREPORTKEY;
1339 bp->format = DVD_REPORT_TITLE_KEY;
1340 bp->agid = lp->lstk.agid;
1341 bp->lba = lp->lstk.lba;
1342 break;
1343 case LINUX_DVD_LU_SEND_ASF:
1344 *bcode = DVDIOCREPORTKEY;
1345 bp->format = DVD_REPORT_ASF;
1346 bp->agid = lp->lsasf.agid;
1347 break;
1348 case LINUX_DVD_INVALIDATE_AGID:
1349 *bcode = DVDIOCREPORTKEY;
1350 bp->format = DVD_INVALIDATE_AGID;
1351 bp->agid = lp->lsa.agid;
1352 break;
1353 case LINUX_DVD_LU_SEND_RPC_STATE:
1354 *bcode = DVDIOCREPORTKEY;
1355 bp->format = DVD_REPORT_RPC;
1356 break;
1357 case LINUX_DVD_HOST_SEND_RPC_STATE:
1358 *bcode = DVDIOCSENDKEY;
1359 bp->format = DVD_SEND_RPC;
1360 bp->region = lp->hrpcs.pdrc;
1361 break;
1362 default:
1363 return (EINVAL);
1364 }
1365 return (0);
1366 }
1367
1368 static int
bsd_to_linux_dvd_authinfo(struct dvd_authinfo * bp,l_dvd_authinfo * lp)1369 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1370 {
1371 switch (lp->type) {
1372 case LINUX_DVD_LU_SEND_AGID:
1373 lp->lsa.agid = bp->agid;
1374 break;
1375 case LINUX_DVD_HOST_SEND_CHALLENGE:
1376 lp->type = LINUX_DVD_LU_SEND_KEY1;
1377 break;
1378 case LINUX_DVD_LU_SEND_KEY1:
1379 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1380 break;
1381 case LINUX_DVD_LU_SEND_CHALLENGE:
1382 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1383 break;
1384 case LINUX_DVD_HOST_SEND_KEY2:
1385 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1386 break;
1387 case LINUX_DVD_LU_SEND_TITLE_KEY:
1388 memcpy(lp->lstk.title_key, bp->keychal,
1389 sizeof(lp->lstk.title_key));
1390 lp->lstk.cpm = bp->cpm;
1391 lp->lstk.cp_sec = bp->cp_sec;
1392 lp->lstk.cgms = bp->cgms;
1393 break;
1394 case LINUX_DVD_LU_SEND_ASF:
1395 lp->lsasf.asf = bp->asf;
1396 break;
1397 case LINUX_DVD_INVALIDATE_AGID:
1398 break;
1399 case LINUX_DVD_LU_SEND_RPC_STATE:
1400 lp->lrpcs.type = bp->reg_type;
1401 lp->lrpcs.vra = bp->vend_rsts;
1402 lp->lrpcs.ucca = bp->user_rsts;
1403 lp->lrpcs.region_mask = bp->region;
1404 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1405 break;
1406 case LINUX_DVD_HOST_SEND_RPC_STATE:
1407 break;
1408 default:
1409 return (EINVAL);
1410 }
1411 return (0);
1412 }
1413
1414 static int
linux_ioctl_cdrom(struct thread * td,struct linux_ioctl_args * args)1415 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1416 {
1417 struct file *fp;
1418 int error;
1419
1420 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1421 if (error != 0)
1422 return (error);
1423 switch (args->cmd & 0xffff) {
1424 case LINUX_CDROMPAUSE:
1425 args->cmd = CDIOCPAUSE;
1426 error = (sys_ioctl(td, (struct ioctl_args *)args));
1427 break;
1428
1429 case LINUX_CDROMRESUME:
1430 args->cmd = CDIOCRESUME;
1431 error = (sys_ioctl(td, (struct ioctl_args *)args));
1432 break;
1433
1434 case LINUX_CDROMPLAYMSF:
1435 args->cmd = CDIOCPLAYMSF;
1436 error = (sys_ioctl(td, (struct ioctl_args *)args));
1437 break;
1438
1439 case LINUX_CDROMPLAYTRKIND:
1440 args->cmd = CDIOCPLAYTRACKS;
1441 error = (sys_ioctl(td, (struct ioctl_args *)args));
1442 break;
1443
1444 case LINUX_CDROMREADTOCHDR: {
1445 struct ioc_toc_header th;
1446 struct linux_cdrom_tochdr lth;
1447 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1448 td->td_ucred, td);
1449 if (!error) {
1450 lth.cdth_trk0 = th.starting_track;
1451 lth.cdth_trk1 = th.ending_track;
1452 error = copyout(<h, (void *)args->arg, sizeof(lth));
1453 }
1454 break;
1455 }
1456
1457 case LINUX_CDROMREADTOCENTRY: {
1458 struct linux_cdrom_tocentry lte;
1459 struct ioc_read_toc_single_entry irtse;
1460
1461 error = copyin((void *)args->arg, <e, sizeof(lte));
1462 if (error)
1463 break;
1464 irtse.address_format = lte.cdte_format;
1465 irtse.track = lte.cdte_track;
1466 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1467 td->td_ucred, td);
1468 if (!error) {
1469 lte.cdte_ctrl = irtse.entry.control;
1470 lte.cdte_adr = irtse.entry.addr_type;
1471 bsd_to_linux_msf_lba(irtse.address_format,
1472 &irtse.entry.addr, <e.cdte_addr);
1473 error = copyout(<e, (void *)args->arg, sizeof(lte));
1474 }
1475 break;
1476 }
1477
1478 case LINUX_CDROMSTOP:
1479 args->cmd = CDIOCSTOP;
1480 error = (sys_ioctl(td, (struct ioctl_args *)args));
1481 break;
1482
1483 case LINUX_CDROMSTART:
1484 args->cmd = CDIOCSTART;
1485 error = (sys_ioctl(td, (struct ioctl_args *)args));
1486 break;
1487
1488 case LINUX_CDROMEJECT:
1489 args->cmd = CDIOCEJECT;
1490 error = (sys_ioctl(td, (struct ioctl_args *)args));
1491 break;
1492
1493 /* LINUX_CDROMVOLCTRL */
1494
1495 case LINUX_CDROMSUBCHNL: {
1496 struct linux_cdrom_subchnl sc;
1497 struct ioc_read_subchannel bsdsc;
1498 struct cd_sub_channel_info bsdinfo;
1499
1500 error = copyin((void *)args->arg, &sc, sizeof(sc));
1501 if (error)
1502 break;
1503
1504 /*
1505 * Invoke the native ioctl and bounce the returned data through
1506 * the userspace buffer. This works because the Linux structure
1507 * is the same size as our structures for the subchannel header
1508 * and position data.
1509 */
1510 bsdsc.address_format = CD_LBA_FORMAT;
1511 bsdsc.data_format = CD_CURRENT_POSITION;
1512 bsdsc.track = 0;
1513 bsdsc.data_len = sizeof(sc);
1514 bsdsc.data = (void *)args->arg;
1515 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc,
1516 td->td_ucred, td);
1517 if (error)
1518 break;
1519 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo));
1520 if (error)
1521 break;
1522 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1523 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1524 sc.cdsc_ctrl = bsdinfo.what.position.control;
1525 sc.cdsc_trk = bsdinfo.what.position.track_number;
1526 sc.cdsc_ind = bsdinfo.what.position.index_number;
1527 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1528 bsdinfo.what.position.absaddr.lba);
1529 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1530 bsdinfo.what.position.reladdr.lba);
1531 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1532 break;
1533 }
1534
1535 /* LINUX_CDROMREADMODE2 */
1536 /* LINUX_CDROMREADMODE1 */
1537 /* LINUX_CDROMREADAUDIO */
1538 /* LINUX_CDROMEJECT_SW */
1539 /* LINUX_CDROMMULTISESSION */
1540 /* LINUX_CDROM_GET_UPC */
1541
1542 case LINUX_CDROMRESET:
1543 args->cmd = CDIOCRESET;
1544 error = (sys_ioctl(td, (struct ioctl_args *)args));
1545 break;
1546
1547 /* LINUX_CDROMVOLREAD */
1548 /* LINUX_CDROMREADRAW */
1549 /* LINUX_CDROMREADCOOKED */
1550 /* LINUX_CDROMSEEK */
1551 /* LINUX_CDROMPLAYBLK */
1552 /* LINUX_CDROMREADALL */
1553 /* LINUX_CDROMCLOSETRAY */
1554 /* LINUX_CDROMLOADFROMSLOT */
1555 /* LINUX_CDROMGETSPINDOWN */
1556 /* LINUX_CDROMSETSPINDOWN */
1557 /* LINUX_CDROM_SET_OPTIONS */
1558 /* LINUX_CDROM_CLEAR_OPTIONS */
1559 /* LINUX_CDROM_SELECT_SPEED */
1560 /* LINUX_CDROM_SELECT_DISC */
1561 /* LINUX_CDROM_MEDIA_CHANGED */
1562 /* LINUX_CDROM_DRIVE_STATUS */
1563 /* LINUX_CDROM_DISC_STATUS */
1564 /* LINUX_CDROM_CHANGER_NSLOTS */
1565 /* LINUX_CDROM_LOCKDOOR */
1566 /* LINUX_CDROM_DEBUG */
1567 /* LINUX_CDROM_GET_CAPABILITY */
1568 /* LINUX_CDROMAUDIOBUFSIZ */
1569
1570 case LINUX_DVD_READ_STRUCT: {
1571 l_dvd_struct *lds;
1572 struct dvd_struct *bds;
1573
1574 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1575 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1576 error = copyin((void *)args->arg, lds, sizeof(*lds));
1577 if (error)
1578 goto out;
1579 error = linux_to_bsd_dvd_struct(lds, bds);
1580 if (error)
1581 goto out;
1582 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1583 td->td_ucred, td);
1584 if (error)
1585 goto out;
1586 error = bsd_to_linux_dvd_struct(bds, lds);
1587 if (error)
1588 goto out;
1589 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1590 out:
1591 free(bds, M_LINUX);
1592 free(lds, M_LINUX);
1593 break;
1594 }
1595
1596 /* LINUX_DVD_WRITE_STRUCT */
1597
1598 case LINUX_DVD_AUTH: {
1599 l_dvd_authinfo lda;
1600 struct dvd_authinfo bda;
1601 int bcode;
1602
1603 error = copyin((void *)args->arg, &lda, sizeof(lda));
1604 if (error)
1605 break;
1606 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1607 if (error)
1608 break;
1609 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1610 td);
1611 if (error) {
1612 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1613 lda.type = LINUX_DVD_AUTH_FAILURE;
1614 (void)copyout(&lda, (void *)args->arg,
1615 sizeof(lda));
1616 }
1617 break;
1618 }
1619 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1620 if (error)
1621 break;
1622 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1623 break;
1624 }
1625
1626 case LINUX_SCSI_GET_BUS_NUMBER:
1627 {
1628 struct sg_scsi_id id;
1629
1630 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1631 td->td_ucred, td);
1632 if (error)
1633 break;
1634 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1635 break;
1636 }
1637
1638 case LINUX_SCSI_GET_IDLUN:
1639 {
1640 struct sg_scsi_id id;
1641 struct scsi_idlun idl;
1642
1643 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1644 td->td_ucred, td);
1645 if (error)
1646 break;
1647 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1648 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1649 idl.host_unique_id = id.host_no;
1650 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1651 break;
1652 }
1653
1654 /* LINUX_CDROM_SEND_PACKET */
1655 /* LINUX_CDROM_NEXT_WRITABLE */
1656 /* LINUX_CDROM_LAST_WRITTEN */
1657
1658 default:
1659 error = ENOIOCTL;
1660 break;
1661 }
1662
1663 fdrop(fp, td);
1664 return (error);
1665 }
1666
1667 static int
linux_ioctl_vfat(struct thread * td,struct linux_ioctl_args * args)1668 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1669 {
1670
1671 return (ENOTTY);
1672 }
1673
1674 /*
1675 * Sound related ioctls
1676 */
1677
1678 struct linux_old_mixer_info {
1679 char id[16];
1680 char name[32];
1681 };
1682
1683 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1684
1685 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1686
1687 static int
linux_ioctl_sound(struct thread * td,struct linux_ioctl_args * args)1688 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1689 {
1690
1691 switch (args->cmd & 0xffff) {
1692 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1693 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1694 return (sys_ioctl(td, (struct ioctl_args *)args));
1695
1696 case LINUX_SOUND_MIXER_WRITE_BASS:
1697 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1698 return (sys_ioctl(td, (struct ioctl_args *)args));
1699
1700 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1701 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1702 return (sys_ioctl(td, (struct ioctl_args *)args));
1703
1704 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1705 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1706 return (sys_ioctl(td, (struct ioctl_args *)args));
1707
1708 case LINUX_SOUND_MIXER_WRITE_PCM:
1709 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1710 return (sys_ioctl(td, (struct ioctl_args *)args));
1711
1712 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1713 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1714 return (sys_ioctl(td, (struct ioctl_args *)args));
1715
1716 case LINUX_SOUND_MIXER_WRITE_LINE:
1717 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1718 return (sys_ioctl(td, (struct ioctl_args *)args));
1719
1720 case LINUX_SOUND_MIXER_WRITE_MIC:
1721 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1722 return (sys_ioctl(td, (struct ioctl_args *)args));
1723
1724 case LINUX_SOUND_MIXER_WRITE_CD:
1725 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1726 return (sys_ioctl(td, (struct ioctl_args *)args));
1727
1728 case LINUX_SOUND_MIXER_WRITE_IMIX:
1729 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1730 return (sys_ioctl(td, (struct ioctl_args *)args));
1731
1732 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1733 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1734 return (sys_ioctl(td, (struct ioctl_args *)args));
1735
1736 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1737 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1738 return (sys_ioctl(td, (struct ioctl_args *)args));
1739
1740 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1741 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1742 return (sys_ioctl(td, (struct ioctl_args *)args));
1743
1744 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1745 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1746 return (sys_ioctl(td, (struct ioctl_args *)args));
1747
1748 case LINUX_SOUND_MIXER_WRITE_LINE1:
1749 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1750 return (sys_ioctl(td, (struct ioctl_args *)args));
1751
1752 case LINUX_SOUND_MIXER_WRITE_LINE2:
1753 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1754 return (sys_ioctl(td, (struct ioctl_args *)args));
1755
1756 case LINUX_SOUND_MIXER_WRITE_LINE3:
1757 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1758 return (sys_ioctl(td, (struct ioctl_args *)args));
1759
1760 case LINUX_SOUND_MIXER_WRITE_MONITOR:
1761 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR);
1762 return (sys_ioctl(td, (struct ioctl_args *)args));
1763
1764 case LINUX_SOUND_MIXER_INFO: {
1765 /* Key on encoded length */
1766 switch ((args->cmd >> 16) & 0x1fff) {
1767 case 0x005c: { /* SOUND_MIXER_INFO */
1768 args->cmd = SOUND_MIXER_INFO;
1769 return (sys_ioctl(td, (struct ioctl_args *)args));
1770 }
1771 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1772 struct linux_old_mixer_info info;
1773 bzero(&info, sizeof(info));
1774 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1775 strncpy(info.name, "FreeBSD OSS Mixer",
1776 sizeof(info.name) - 1);
1777 return (copyout(&info, (void *)args->arg,
1778 sizeof(info)));
1779 }
1780 default:
1781 return (ENOIOCTL);
1782 }
1783 break;
1784 }
1785
1786 case LINUX_OSS_GETVERSION: {
1787 int version = linux_get_oss_version(td);
1788 return (copyout(&version, (void *)args->arg, sizeof(int)));
1789 }
1790
1791 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1792 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1793 return (sys_ioctl(td, (struct ioctl_args *)args));
1794
1795 case LINUX_SOUND_MIXER_READ_CAPS:
1796 args->cmd = SOUND_MIXER_READ_CAPS;
1797 return (sys_ioctl(td, (struct ioctl_args *)args));
1798
1799 case LINUX_SOUND_MIXER_READ_RECMASK:
1800 args->cmd = SOUND_MIXER_READ_RECMASK;
1801 return (sys_ioctl(td, (struct ioctl_args *)args));
1802
1803 case LINUX_SOUND_MIXER_READ_DEVMASK:
1804 args->cmd = SOUND_MIXER_READ_DEVMASK;
1805 return (sys_ioctl(td, (struct ioctl_args *)args));
1806
1807 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1808 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1809 return (sys_ioctl(td, (struct ioctl_args *)args));
1810
1811 case LINUX_SNDCTL_DSP_RESET:
1812 args->cmd = SNDCTL_DSP_RESET;
1813 return (sys_ioctl(td, (struct ioctl_args *)args));
1814
1815 case LINUX_SNDCTL_DSP_SYNC:
1816 args->cmd = SNDCTL_DSP_SYNC;
1817 return (sys_ioctl(td, (struct ioctl_args *)args));
1818
1819 case LINUX_SNDCTL_DSP_SPEED:
1820 args->cmd = SNDCTL_DSP_SPEED;
1821 return (sys_ioctl(td, (struct ioctl_args *)args));
1822
1823 case LINUX_SNDCTL_DSP_STEREO:
1824 args->cmd = SNDCTL_DSP_STEREO;
1825 return (sys_ioctl(td, (struct ioctl_args *)args));
1826
1827 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1828 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1829 return (sys_ioctl(td, (struct ioctl_args *)args));
1830
1831 case LINUX_SNDCTL_DSP_SETFMT:
1832 args->cmd = SNDCTL_DSP_SETFMT;
1833 return (sys_ioctl(td, (struct ioctl_args *)args));
1834
1835 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1836 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1837 return (sys_ioctl(td, (struct ioctl_args *)args));
1838
1839 case LINUX_SOUND_PCM_WRITE_FILTER:
1840 args->cmd = SOUND_PCM_WRITE_FILTER;
1841 return (sys_ioctl(td, (struct ioctl_args *)args));
1842
1843 case LINUX_SNDCTL_DSP_POST:
1844 args->cmd = SNDCTL_DSP_POST;
1845 return (sys_ioctl(td, (struct ioctl_args *)args));
1846
1847 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1848 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1849 return (sys_ioctl(td, (struct ioctl_args *)args));
1850
1851 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1852 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1853 return (sys_ioctl(td, (struct ioctl_args *)args));
1854
1855 case LINUX_SNDCTL_DSP_GETFMTS:
1856 args->cmd = SNDCTL_DSP_GETFMTS;
1857 return (sys_ioctl(td, (struct ioctl_args *)args));
1858
1859 case LINUX_SNDCTL_DSP_GETOSPACE:
1860 args->cmd = SNDCTL_DSP_GETOSPACE;
1861 return (sys_ioctl(td, (struct ioctl_args *)args));
1862
1863 case LINUX_SNDCTL_DSP_GETISPACE:
1864 args->cmd = SNDCTL_DSP_GETISPACE;
1865 return (sys_ioctl(td, (struct ioctl_args *)args));
1866
1867 case LINUX_SNDCTL_DSP_NONBLOCK:
1868 args->cmd = SNDCTL_DSP_NONBLOCK;
1869 return (sys_ioctl(td, (struct ioctl_args *)args));
1870
1871 case LINUX_SNDCTL_DSP_GETCAPS:
1872 args->cmd = SNDCTL_DSP_GETCAPS;
1873 return (sys_ioctl(td, (struct ioctl_args *)args));
1874
1875 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1876 args->cmd = SNDCTL_DSP_SETTRIGGER;
1877 return (sys_ioctl(td, (struct ioctl_args *)args));
1878
1879 case LINUX_SNDCTL_DSP_GETIPTR:
1880 args->cmd = SNDCTL_DSP_GETIPTR;
1881 return (sys_ioctl(td, (struct ioctl_args *)args));
1882
1883 case LINUX_SNDCTL_DSP_GETOPTR:
1884 args->cmd = SNDCTL_DSP_GETOPTR;
1885 return (sys_ioctl(td, (struct ioctl_args *)args));
1886
1887 case LINUX_SNDCTL_DSP_SETDUPLEX:
1888 args->cmd = SNDCTL_DSP_SETDUPLEX;
1889 return (sys_ioctl(td, (struct ioctl_args *)args));
1890
1891 case LINUX_SNDCTL_DSP_GETODELAY:
1892 args->cmd = SNDCTL_DSP_GETODELAY;
1893 return (sys_ioctl(td, (struct ioctl_args *)args));
1894
1895 case LINUX_SNDCTL_SEQ_RESET:
1896 args->cmd = SNDCTL_SEQ_RESET;
1897 return (sys_ioctl(td, (struct ioctl_args *)args));
1898
1899 case LINUX_SNDCTL_SEQ_SYNC:
1900 args->cmd = SNDCTL_SEQ_SYNC;
1901 return (sys_ioctl(td, (struct ioctl_args *)args));
1902
1903 case LINUX_SNDCTL_SYNTH_INFO:
1904 args->cmd = SNDCTL_SYNTH_INFO;
1905 return (sys_ioctl(td, (struct ioctl_args *)args));
1906
1907 case LINUX_SNDCTL_SEQ_CTRLRATE:
1908 args->cmd = SNDCTL_SEQ_CTRLRATE;
1909 return (sys_ioctl(td, (struct ioctl_args *)args));
1910
1911 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1912 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1913 return (sys_ioctl(td, (struct ioctl_args *)args));
1914
1915 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1916 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1917 return (sys_ioctl(td, (struct ioctl_args *)args));
1918
1919 case LINUX_SNDCTL_SEQ_PERCMODE:
1920 args->cmd = SNDCTL_SEQ_PERCMODE;
1921 return (sys_ioctl(td, (struct ioctl_args *)args));
1922
1923 case LINUX_SNDCTL_FM_LOAD_INSTR:
1924 args->cmd = SNDCTL_FM_LOAD_INSTR;
1925 return (sys_ioctl(td, (struct ioctl_args *)args));
1926
1927 case LINUX_SNDCTL_SEQ_TESTMIDI:
1928 args->cmd = SNDCTL_SEQ_TESTMIDI;
1929 return (sys_ioctl(td, (struct ioctl_args *)args));
1930
1931 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1932 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1933 return (sys_ioctl(td, (struct ioctl_args *)args));
1934
1935 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1936 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1937 return (sys_ioctl(td, (struct ioctl_args *)args));
1938
1939 case LINUX_SNDCTL_SEQ_NRMIDIS:
1940 args->cmd = SNDCTL_SEQ_NRMIDIS;
1941 return (sys_ioctl(td, (struct ioctl_args *)args));
1942
1943 case LINUX_SNDCTL_MIDI_INFO:
1944 args->cmd = SNDCTL_MIDI_INFO;
1945 return (sys_ioctl(td, (struct ioctl_args *)args));
1946
1947 case LINUX_SNDCTL_SEQ_TRESHOLD:
1948 args->cmd = SNDCTL_SEQ_TRESHOLD;
1949 return (sys_ioctl(td, (struct ioctl_args *)args));
1950
1951 case LINUX_SNDCTL_SYNTH_MEMAVL:
1952 args->cmd = SNDCTL_SYNTH_MEMAVL;
1953 return (sys_ioctl(td, (struct ioctl_args *)args));
1954 }
1955
1956 return (ENOIOCTL);
1957 }
1958
1959 /*
1960 * Console related ioctls
1961 */
1962
1963 static int
linux_ioctl_console(struct thread * td,struct linux_ioctl_args * args)1964 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1965 {
1966 struct file *fp;
1967 int error;
1968
1969 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1970 if (error != 0)
1971 return (error);
1972 switch (args->cmd & 0xffff) {
1973 case LINUX_KIOCSOUND:
1974 args->cmd = KIOCSOUND;
1975 error = (sys_ioctl(td, (struct ioctl_args *)args));
1976 break;
1977
1978 case LINUX_KDMKTONE:
1979 args->cmd = KDMKTONE;
1980 error = (sys_ioctl(td, (struct ioctl_args *)args));
1981 break;
1982
1983 case LINUX_KDGETLED:
1984 args->cmd = KDGETLED;
1985 error = (sys_ioctl(td, (struct ioctl_args *)args));
1986 break;
1987
1988 case LINUX_KDSETLED:
1989 args->cmd = KDSETLED;
1990 error = (sys_ioctl(td, (struct ioctl_args *)args));
1991 break;
1992
1993 case LINUX_KDSETMODE:
1994 args->cmd = KDSETMODE;
1995 error = (sys_ioctl(td, (struct ioctl_args *)args));
1996 break;
1997
1998 case LINUX_KDGETMODE:
1999 args->cmd = KDGETMODE;
2000 error = (sys_ioctl(td, (struct ioctl_args *)args));
2001 break;
2002
2003 case LINUX_KDGKBMODE:
2004 args->cmd = KDGKBMODE;
2005 error = (sys_ioctl(td, (struct ioctl_args *)args));
2006 break;
2007
2008 case LINUX_KDSKBMODE: {
2009 int kbdmode;
2010 switch (args->arg) {
2011 case LINUX_KBD_RAW:
2012 kbdmode = K_RAW;
2013 break;
2014 case LINUX_KBD_XLATE:
2015 kbdmode = K_XLATE;
2016 break;
2017 case LINUX_KBD_MEDIUMRAW:
2018 kbdmode = K_RAW;
2019 break;
2020 default:
2021 fdrop(fp, td);
2022 return (EINVAL);
2023 }
2024 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2025 td->td_ucred, td));
2026 break;
2027 }
2028
2029 case LINUX_VT_OPENQRY:
2030 args->cmd = VT_OPENQRY;
2031 error = (sys_ioctl(td, (struct ioctl_args *)args));
2032 break;
2033
2034 case LINUX_VT_GETMODE:
2035 args->cmd = VT_GETMODE;
2036 error = (sys_ioctl(td, (struct ioctl_args *)args));
2037 break;
2038
2039 case LINUX_VT_SETMODE: {
2040 struct vt_mode mode;
2041 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2042 break;
2043 if (LINUX_SIG_VALID(mode.relsig))
2044 mode.relsig = linux_to_bsd_signal(mode.relsig);
2045 else
2046 mode.relsig = 0;
2047 if (LINUX_SIG_VALID(mode.acqsig))
2048 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2049 else
2050 mode.acqsig = 0;
2051 /* XXX. Linux ignores frsig and set it to 0. */
2052 mode.frsig = 0;
2053 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2054 break;
2055 args->cmd = VT_SETMODE;
2056 error = (sys_ioctl(td, (struct ioctl_args *)args));
2057 break;
2058 }
2059
2060 case LINUX_VT_GETSTATE:
2061 args->cmd = VT_GETACTIVE;
2062 error = (sys_ioctl(td, (struct ioctl_args *)args));
2063 break;
2064
2065 case LINUX_VT_RELDISP:
2066 args->cmd = VT_RELDISP;
2067 error = (sys_ioctl(td, (struct ioctl_args *)args));
2068 break;
2069
2070 case LINUX_VT_ACTIVATE:
2071 args->cmd = VT_ACTIVATE;
2072 error = (sys_ioctl(td, (struct ioctl_args *)args));
2073 break;
2074
2075 case LINUX_VT_WAITACTIVE:
2076 args->cmd = VT_WAITACTIVE;
2077 error = (sys_ioctl(td, (struct ioctl_args *)args));
2078 break;
2079
2080 default:
2081 error = ENOIOCTL;
2082 break;
2083 }
2084
2085 fdrop(fp, td);
2086 return (error);
2087 }
2088
2089 /*
2090 * Implement the SIOCGIFNAME ioctl
2091 */
2092
2093 static int
linux_ioctl_ifname(struct thread * td,struct l_ifreq * uifr)2094 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr)
2095 {
2096 struct l_ifreq ifr;
2097 int error, ret;
2098
2099 error = copyin(uifr, &ifr, sizeof(ifr));
2100 if (error != 0)
2101 return (error);
2102 ret = ifname_bsd_to_linux_idx(ifr.ifr_index, ifr.ifr_name,
2103 LINUX_IFNAMSIZ);
2104 if (ret > 0)
2105 return (copyout(&ifr, uifr, sizeof(ifr)));
2106 else
2107 return (ENODEV);
2108 }
2109
2110 /*
2111 * Implement the SIOCGIFCONF ioctl
2112 */
2113 static u_int
linux_ifconf_ifaddr_cb(void * arg,struct ifaddr * ifa,u_int count)2114 linux_ifconf_ifaddr_cb(void *arg, struct ifaddr *ifa, u_int count)
2115 {
2116 #ifdef COMPAT_LINUX32
2117 struct l_ifconf *ifc;
2118 #else
2119 struct ifconf *ifc;
2120 #endif
2121
2122 ifc = arg;
2123 ifc->ifc_len += sizeof(struct l_ifreq);
2124 return (1);
2125 }
2126
2127 static int
linux_ifconf_ifnet_cb(if_t ifp,void * arg)2128 linux_ifconf_ifnet_cb(if_t ifp, void *arg)
2129 {
2130
2131 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb, arg);
2132 return (0);
2133 }
2134
2135 struct linux_ifconfig_ifaddr_cb2_s {
2136 struct l_ifreq ifr;
2137 struct sbuf *sb;
2138 size_t max_len;
2139 size_t valid_len;
2140 };
2141
2142 static u_int
linux_ifconf_ifaddr_cb2(void * arg,struct ifaddr * ifa,u_int len)2143 linux_ifconf_ifaddr_cb2(void *arg, struct ifaddr *ifa, u_int len)
2144 {
2145 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg;
2146 struct sockaddr *sa = ifa->ifa_addr;
2147
2148 cbs->ifr.ifr_addr.sa_family = LINUX_AF_INET;
2149 memcpy(cbs->ifr.ifr_addr.sa_data, sa->sa_data,
2150 sizeof(cbs->ifr.ifr_addr.sa_data));
2151 sbuf_bcat(cbs->sb, &cbs->ifr, sizeof(cbs->ifr));
2152 cbs->max_len += sizeof(cbs->ifr);
2153
2154 if (sbuf_error(cbs->sb) == 0)
2155 cbs->valid_len = sbuf_len(cbs->sb);
2156 return (1);
2157 }
2158
2159 static int
linux_ifconf_ifnet_cb2(if_t ifp,void * arg)2160 linux_ifconf_ifnet_cb2(if_t ifp, void *arg)
2161 {
2162 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg;
2163
2164 bzero(&cbs->ifr, sizeof(cbs->ifr));
2165 ifname_bsd_to_linux_ifp(ifp, cbs->ifr.ifr_name,
2166 sizeof(cbs->ifr.ifr_name));
2167
2168 /* Walk the address list */
2169 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb2, cbs);
2170 return (0);
2171 }
2172
2173 static int
linux_ifconf(struct thread * td,struct ifconf * uifc)2174 linux_ifconf(struct thread *td, struct ifconf *uifc)
2175 {
2176 struct linux_ifconfig_ifaddr_cb2_s cbs;
2177 struct epoch_tracker et;
2178 #ifdef COMPAT_LINUX32
2179 struct l_ifconf ifc;
2180 #else
2181 struct ifconf ifc;
2182 #endif
2183 struct sbuf *sb;
2184 int error, full;
2185
2186 error = copyin(uifc, &ifc, sizeof(ifc));
2187 if (error != 0)
2188 return (error);
2189
2190 /* handle the 'request buffer size' case */
2191 if (PTRIN(ifc.ifc_buf) == NULL) {
2192 ifc.ifc_len = 0;
2193 NET_EPOCH_ENTER(et);
2194 if_foreach(linux_ifconf_ifnet_cb, &ifc);
2195 NET_EPOCH_EXIT(et);
2196 return (copyout(&ifc, uifc, sizeof(ifc)));
2197 }
2198 if (ifc.ifc_len <= 0)
2199 return (EINVAL);
2200
2201 full = 0;
2202 cbs.max_len = maxphys - 1;
2203
2204 again:
2205 if (ifc.ifc_len <= cbs.max_len) {
2206 cbs.max_len = ifc.ifc_len;
2207 full = 1;
2208 }
2209 cbs.sb = sb = sbuf_new(NULL, NULL, cbs.max_len + 1, SBUF_FIXEDLEN);
2210 cbs.max_len = 0;
2211 cbs.valid_len = 0;
2212
2213 /* Return all AF_INET addresses of all interfaces */
2214 NET_EPOCH_ENTER(et);
2215 if_foreach(linux_ifconf_ifnet_cb2, &cbs);
2216 NET_EPOCH_EXIT(et);
2217
2218 if (cbs.valid_len != cbs.max_len && !full) {
2219 sbuf_delete(sb);
2220 goto again;
2221 }
2222
2223 ifc.ifc_len = cbs.valid_len;
2224 sbuf_finish(sb);
2225 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2226 if (error == 0)
2227 error = copyout(&ifc, uifc, sizeof(ifc));
2228 sbuf_delete(sb);
2229
2230 return (error);
2231 }
2232
2233 static int
linux_ioctl_socket_ifreq(struct thread * td,int fd,u_int cmd,struct l_ifreq * uifr)2234 linux_ioctl_socket_ifreq(struct thread *td, int fd, u_int cmd,
2235 struct l_ifreq *uifr)
2236 {
2237 struct l_ifreq lifr;
2238 struct ifreq bifr;
2239 size_t ifrusiz;
2240 int error, temp_flags;
2241
2242 switch (cmd) {
2243 case LINUX_SIOCGIFINDEX:
2244 cmd = SIOCGIFINDEX;
2245 break;
2246 case LINUX_SIOCGIFFLAGS:
2247 cmd = SIOCGIFFLAGS;
2248 break;
2249 case LINUX_SIOCGIFADDR:
2250 cmd = SIOCGIFADDR;
2251 break;
2252 case LINUX_SIOCSIFADDR:
2253 cmd = SIOCSIFADDR;
2254 break;
2255 case LINUX_SIOCGIFDSTADDR:
2256 cmd = SIOCGIFDSTADDR;
2257 break;
2258 case LINUX_SIOCGIFBRDADDR:
2259 cmd = SIOCGIFBRDADDR;
2260 break;
2261 case LINUX_SIOCGIFNETMASK:
2262 cmd = SIOCGIFNETMASK;
2263 break;
2264 case LINUX_SIOCSIFNETMASK:
2265 cmd = SIOCSIFNETMASK;
2266 break;
2267 case LINUX_SIOCGIFMTU:
2268 cmd = SIOCGIFMTU;
2269 break;
2270 case LINUX_SIOCSIFMTU:
2271 cmd = SIOCSIFMTU;
2272 break;
2273 case LINUX_SIOCGIFHWADDR:
2274 cmd = SIOCGHWADDR;
2275 break;
2276 case LINUX_SIOCGIFMETRIC:
2277 cmd = SIOCGIFMETRIC;
2278 break;
2279 case LINUX_SIOCSIFMETRIC:
2280 cmd = SIOCSIFMETRIC;
2281 break;
2282 /*
2283 * XXX This is slightly bogus, but these ioctls are currently
2284 * XXX only used by the aironet (if_an) network driver.
2285 */
2286 case LINUX_SIOCDEVPRIVATE:
2287 cmd = SIOCGPRIVATE_0;
2288 break;
2289 case LINUX_SIOCDEVPRIVATE+1:
2290 cmd = SIOCGPRIVATE_1;
2291 break;
2292 default:
2293 LINUX_RATELIMIT_MSG_OPT2(
2294 "ioctl_socket_ifreq fd=%d, cmd=0x%x is not implemented",
2295 fd, cmd);
2296 return (ENOIOCTL);
2297 }
2298
2299 error = copyin(uifr, &lifr, sizeof(lifr));
2300 if (error != 0)
2301 return (error);
2302 bzero(&bifr, sizeof(bifr));
2303
2304 /*
2305 * The size of Linux enum ifr_ifru is bigger than
2306 * the FreeBSD size due to the struct ifmap.
2307 */
2308 ifrusiz = (sizeof(lifr) > sizeof(bifr) ? sizeof(bifr) :
2309 sizeof(lifr)) - offsetof(struct l_ifreq, ifr_ifru);
2310 bcopy(&lifr.ifr_ifru, &bifr.ifr_ifru, ifrusiz);
2311
2312 error = ifname_linux_to_bsd(td, lifr.ifr_name, bifr.ifr_name);
2313 if (error != 0)
2314 return (error);
2315
2316 /* Translate in values. */
2317 switch (cmd) {
2318 case SIOCGIFINDEX:
2319 bifr.ifr_index = lifr.ifr_index;
2320 break;
2321 case SIOCSIFADDR:
2322 case SIOCSIFNETMASK:
2323 bifr.ifr_addr.sa_len = sizeof(struct sockaddr);
2324 bifr.ifr_addr.sa_family =
2325 linux_to_bsd_domain(lifr.ifr_addr.sa_family);
2326 break;
2327 default:
2328 break;
2329 }
2330
2331 error = kern_ioctl(td, fd, cmd, (caddr_t)&bifr);
2332 if (error != 0)
2333 return (error);
2334 bzero(&lifr.ifr_ifru, sizeof(lifr.ifr_ifru));
2335
2336 /* Translate out values. */
2337 switch (cmd) {
2338 case SIOCGIFINDEX:
2339 lifr.ifr_index = bifr.ifr_index;
2340 break;
2341 case SIOCGIFFLAGS:
2342 temp_flags = bifr.ifr_flags | (bifr.ifr_flagshigh << 16);
2343 lifr.ifr_flags = bsd_to_linux_ifflags(temp_flags);
2344 break;
2345 case SIOCGIFADDR:
2346 case SIOCSIFADDR:
2347 case SIOCGIFDSTADDR:
2348 case SIOCGIFBRDADDR:
2349 case SIOCGIFNETMASK:
2350 bcopy(&bifr.ifr_addr, &lifr.ifr_addr, sizeof(bifr.ifr_addr));
2351 lifr.ifr_addr.sa_family =
2352 bsd_to_linux_domain(bifr.ifr_addr.sa_family);
2353 break;
2354 case SIOCGHWADDR:
2355 bcopy(&bifr.ifr_addr, &lifr.ifr_hwaddr, sizeof(bifr.ifr_addr));
2356 lifr.ifr_hwaddr.sa_family = LINUX_ARPHRD_ETHER;
2357 break;
2358 default:
2359 bcopy(&bifr.ifr_ifru, &lifr.ifr_ifru, ifrusiz);
2360 break;
2361 }
2362
2363 return (copyout(&lifr, uifr, sizeof(lifr)));
2364 }
2365
2366 /*
2367 * Socket related ioctls
2368 */
2369
2370 static int
linux_ioctl_socket(struct thread * td,struct linux_ioctl_args * args)2371 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2372 {
2373 struct file *fp;
2374 int error, type;
2375
2376 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2377 if (error != 0)
2378 return (error);
2379 type = fp->f_type;
2380 fdrop(fp, td);
2381
2382 CURVNET_SET(TD_TO_VNET(td));
2383
2384 if (type != DTYPE_SOCKET) {
2385 /* not a socket - probably a tap / vmnet device */
2386 switch (args->cmd) {
2387 case LINUX_SIOCGIFADDR:
2388 case LINUX_SIOCSIFADDR:
2389 case LINUX_SIOCGIFFLAGS:
2390 error = linux_ioctl_special(td, args);
2391 break;
2392 default:
2393 error = ENOIOCTL;
2394 break;
2395 }
2396 CURVNET_RESTORE();
2397 return (error);
2398 }
2399
2400 switch (args->cmd) {
2401 case LINUX_FIOSETOWN:
2402 args->cmd = FIOSETOWN;
2403 error = sys_ioctl(td, (struct ioctl_args *)args);
2404 break;
2405
2406 case LINUX_SIOCSPGRP:
2407 args->cmd = SIOCSPGRP;
2408 error = sys_ioctl(td, (struct ioctl_args *)args);
2409 break;
2410
2411 case LINUX_FIOGETOWN:
2412 args->cmd = FIOGETOWN;
2413 error = sys_ioctl(td, (struct ioctl_args *)args);
2414 break;
2415
2416 case LINUX_SIOCGPGRP:
2417 args->cmd = SIOCGPGRP;
2418 error = sys_ioctl(td, (struct ioctl_args *)args);
2419 break;
2420
2421 case LINUX_SIOCATMARK:
2422 args->cmd = SIOCATMARK;
2423 error = sys_ioctl(td, (struct ioctl_args *)args);
2424 break;
2425
2426 /* LINUX_SIOCGSTAMP */
2427
2428 case LINUX_SIOCGIFNAME:
2429 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg);
2430 break;
2431
2432 case LINUX_SIOCGIFCONF:
2433 error = linux_ifconf(td, (struct ifconf *)args->arg);
2434 break;
2435
2436 case LINUX_SIOCADDMULTI:
2437 args->cmd = SIOCADDMULTI;
2438 error = sys_ioctl(td, (struct ioctl_args *)args);
2439 break;
2440
2441 case LINUX_SIOCDELMULTI:
2442 args->cmd = SIOCDELMULTI;
2443 error = sys_ioctl(td, (struct ioctl_args *)args);
2444 break;
2445
2446 case LINUX_SIOCGIFCOUNT:
2447 error = 0;
2448 break;
2449
2450 default:
2451 error = linux_ioctl_socket_ifreq(td, args->fd, args->cmd,
2452 PTRIN(args->arg));
2453 break;
2454 }
2455
2456 CURVNET_RESTORE();
2457 return (error);
2458 }
2459
2460 /*
2461 * Device private ioctl handler
2462 */
2463 static int
linux_ioctl_private(struct thread * td,struct linux_ioctl_args * args)2464 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2465 {
2466 struct file *fp;
2467 int error, type;
2468
2469 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2470 if (error != 0)
2471 return (error);
2472 type = fp->f_type;
2473 fdrop(fp, td);
2474 if (type == DTYPE_SOCKET)
2475 return (linux_ioctl_socket(td, args));
2476 return (ENOIOCTL);
2477 }
2478
2479 /*
2480 * DRM ioctl handler (sys/dev/drm)
2481 */
2482 static int
linux_ioctl_drm(struct thread * td,struct linux_ioctl_args * args)2483 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2484 {
2485 args->cmd = SETDIR(args->cmd);
2486 return (sys_ioctl(td, (struct ioctl_args *)args));
2487 }
2488
2489 #ifdef COMPAT_LINUX32
2490 static int
linux_ioctl_sg_io(struct thread * td,struct linux_ioctl_args * args)2491 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2492 {
2493 struct sg_io_hdr io;
2494 struct sg_io_hdr32 io32;
2495 struct file *fp;
2496 int error;
2497
2498 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2499 if (error != 0) {
2500 printf("sg_linux_ioctl: fget returned %d\n", error);
2501 return (error);
2502 }
2503
2504 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2505 goto out;
2506
2507 CP(io32, io, interface_id);
2508 CP(io32, io, dxfer_direction);
2509 CP(io32, io, cmd_len);
2510 CP(io32, io, mx_sb_len);
2511 CP(io32, io, iovec_count);
2512 CP(io32, io, dxfer_len);
2513 PTRIN_CP(io32, io, dxferp);
2514 PTRIN_CP(io32, io, cmdp);
2515 PTRIN_CP(io32, io, sbp);
2516 CP(io32, io, timeout);
2517 CP(io32, io, flags);
2518 CP(io32, io, pack_id);
2519 PTRIN_CP(io32, io, usr_ptr);
2520 CP(io32, io, status);
2521 CP(io32, io, masked_status);
2522 CP(io32, io, msg_status);
2523 CP(io32, io, sb_len_wr);
2524 CP(io32, io, host_status);
2525 CP(io32, io, driver_status);
2526 CP(io32, io, resid);
2527 CP(io32, io, duration);
2528 CP(io32, io, info);
2529
2530 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2531 goto out;
2532
2533 CP(io, io32, interface_id);
2534 CP(io, io32, dxfer_direction);
2535 CP(io, io32, cmd_len);
2536 CP(io, io32, mx_sb_len);
2537 CP(io, io32, iovec_count);
2538 CP(io, io32, dxfer_len);
2539 PTROUT_CP(io, io32, dxferp);
2540 PTROUT_CP(io, io32, cmdp);
2541 PTROUT_CP(io, io32, sbp);
2542 CP(io, io32, timeout);
2543 CP(io, io32, flags);
2544 CP(io, io32, pack_id);
2545 PTROUT_CP(io, io32, usr_ptr);
2546 CP(io, io32, status);
2547 CP(io, io32, masked_status);
2548 CP(io, io32, msg_status);
2549 CP(io, io32, sb_len_wr);
2550 CP(io, io32, host_status);
2551 CP(io, io32, driver_status);
2552 CP(io, io32, resid);
2553 CP(io, io32, duration);
2554 CP(io, io32, info);
2555
2556 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2557
2558 out:
2559 fdrop(fp, td);
2560 return (error);
2561 }
2562 #endif
2563
2564 static int
linux_ioctl_sg(struct thread * td,struct linux_ioctl_args * args)2565 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2566 {
2567
2568 switch (args->cmd) {
2569 case LINUX_SG_GET_VERSION_NUM:
2570 args->cmd = SG_GET_VERSION_NUM;
2571 break;
2572 case LINUX_SG_SET_TIMEOUT:
2573 args->cmd = SG_SET_TIMEOUT;
2574 break;
2575 case LINUX_SG_GET_TIMEOUT:
2576 args->cmd = SG_GET_TIMEOUT;
2577 break;
2578 case LINUX_SG_IO:
2579 args->cmd = SG_IO;
2580 #ifdef COMPAT_LINUX32
2581 return (linux_ioctl_sg_io(td, args));
2582 #endif
2583 break;
2584 case LINUX_SG_GET_RESERVED_SIZE:
2585 args->cmd = SG_GET_RESERVED_SIZE;
2586 break;
2587 case LINUX_SG_GET_SCSI_ID:
2588 args->cmd = SG_GET_SCSI_ID;
2589 break;
2590 case LINUX_SG_GET_SG_TABLESIZE:
2591 args->cmd = SG_GET_SG_TABLESIZE;
2592 break;
2593 default:
2594 return (ENODEV);
2595 }
2596 return (sys_ioctl(td, (struct ioctl_args *)args));
2597 }
2598
2599 /*
2600 * Video4Linux (V4L) ioctl handler
2601 */
2602 static int
linux_to_bsd_v4l_tuner(struct l_video_tuner * lvt,struct video_tuner * vt)2603 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2604 {
2605 vt->tuner = lvt->tuner;
2606 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2607 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2608 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2609 vt->flags = lvt->flags;
2610 vt->mode = lvt->mode;
2611 vt->signal = lvt->signal;
2612 return (0);
2613 }
2614
2615 static int
bsd_to_linux_v4l_tuner(struct video_tuner * vt,struct l_video_tuner * lvt)2616 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2617 {
2618 lvt->tuner = vt->tuner;
2619 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2620 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2621 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2622 lvt->flags = vt->flags;
2623 lvt->mode = vt->mode;
2624 lvt->signal = vt->signal;
2625 return (0);
2626 }
2627
2628 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2629 static int
linux_to_bsd_v4l_clip(struct l_video_clip * lvc,struct video_clip * vc)2630 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2631 {
2632 vc->x = lvc->x;
2633 vc->y = lvc->y;
2634 vc->width = lvc->width;
2635 vc->height = lvc->height;
2636 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2637 return (0);
2638 }
2639 #endif
2640
2641 static int
linux_to_bsd_v4l_window(struct l_video_window * lvw,struct video_window * vw)2642 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2643 {
2644 vw->x = lvw->x;
2645 vw->y = lvw->y;
2646 vw->width = lvw->width;
2647 vw->height = lvw->height;
2648 vw->chromakey = lvw->chromakey;
2649 vw->flags = lvw->flags;
2650 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2651 vw->clipcount = lvw->clipcount;
2652 return (0);
2653 }
2654
2655 static int
bsd_to_linux_v4l_window(struct video_window * vw,struct l_video_window * lvw)2656 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2657 {
2658 memset(lvw, 0, sizeof(*lvw));
2659
2660 lvw->x = vw->x;
2661 lvw->y = vw->y;
2662 lvw->width = vw->width;
2663 lvw->height = vw->height;
2664 lvw->chromakey = vw->chromakey;
2665 lvw->flags = vw->flags;
2666 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2667 lvw->clipcount = vw->clipcount;
2668 return (0);
2669 }
2670
2671 static int
linux_to_bsd_v4l_buffer(struct l_video_buffer * lvb,struct video_buffer * vb)2672 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2673 {
2674 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2675 vb->height = lvb->height;
2676 vb->width = lvb->width;
2677 vb->depth = lvb->depth;
2678 vb->bytesperline = lvb->bytesperline;
2679 return (0);
2680 }
2681
2682 static int
bsd_to_linux_v4l_buffer(struct video_buffer * vb,struct l_video_buffer * lvb)2683 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2684 {
2685 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2686 lvb->height = vb->height;
2687 lvb->width = vb->width;
2688 lvb->depth = vb->depth;
2689 lvb->bytesperline = vb->bytesperline;
2690 return (0);
2691 }
2692
2693 static int
linux_to_bsd_v4l_code(struct l_video_code * lvc,struct video_code * vc)2694 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2695 {
2696 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2697 vc->datasize = lvc->datasize;
2698 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2699 return (0);
2700 }
2701
2702 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2703 static int
linux_v4l_clip_copy(void * lvc,struct video_clip ** ppvc)2704 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2705 {
2706 int error;
2707 struct video_clip vclip;
2708 struct l_video_clip l_vclip;
2709
2710 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2711 if (error) return (error);
2712 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2713 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2714 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2715 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */
2716 memcpy(*ppvc, &vclip, sizeof(vclip));
2717 (*ppvc)->next = NULL;
2718 return (0);
2719 }
2720
2721 static int
linux_v4l_cliplist_free(struct video_window * vw)2722 linux_v4l_cliplist_free(struct video_window *vw)
2723 {
2724 struct video_clip **ppvc;
2725 struct video_clip **ppvc_next;
2726
2727 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2728 ppvc_next = &((*ppvc)->next);
2729 free(*ppvc, M_LINUX);
2730 }
2731 vw->clips = NULL;
2732
2733 return (0);
2734 }
2735
2736 static int
linux_v4l_cliplist_copy(struct l_video_window * lvw,struct video_window * vw)2737 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2738 {
2739 int error;
2740 int clipcount;
2741 void *plvc;
2742 struct video_clip **ppvc;
2743
2744 /*
2745 * XXX: The cliplist is used to pass in a list of clipping
2746 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2747 * clipping bitmap. Some Linux apps, however, appear to
2748 * leave cliplist and clips uninitialized. In any case,
2749 * the cliplist is not used by pwc(4), at the time of
2750 * writing, FreeBSD's only V4L driver. When a driver
2751 * that uses the cliplist is developed, this code may
2752 * need re-examiniation.
2753 */
2754 error = 0;
2755 clipcount = vw->clipcount;
2756 if (clipcount == VIDEO_CLIP_BITMAP) {
2757 /*
2758 * In this case, the pointer (clips) is overloaded
2759 * to be a "void *" to a bitmap, therefore there
2760 * is no struct video_clip to copy now.
2761 */
2762 } else if (clipcount > 0 && clipcount <= 16384) {
2763 /*
2764 * Clips points to list of clip rectangles, so
2765 * copy the list.
2766 *
2767 * XXX: Upper limit of 16384 was used here to try to
2768 * avoid cases when clipcount and clips pointer
2769 * are uninitialized and therefore have high random
2770 * values, as is the case in the Linux Skype
2771 * application. The value 16384 was chosen as that
2772 * is what is used in the Linux stradis(4) MPEG
2773 * decoder driver, the only place we found an
2774 * example of cliplist use.
2775 */
2776 plvc = PTRIN(lvw->clips);
2777 vw->clips = NULL;
2778 ppvc = &(vw->clips);
2779 while (clipcount-- > 0) {
2780 if (plvc == NULL) {
2781 error = EFAULT;
2782 break;
2783 } else {
2784 error = linux_v4l_clip_copy(plvc, ppvc);
2785 if (error) {
2786 linux_v4l_cliplist_free(vw);
2787 break;
2788 }
2789 }
2790 ppvc = &((*ppvc)->next);
2791 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2792 }
2793 } else {
2794 /*
2795 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2796 * Force cliplist to null.
2797 */
2798 vw->clipcount = 0;
2799 vw->clips = NULL;
2800 }
2801 return (error);
2802 }
2803 #endif
2804
2805 static int
linux_ioctl_v4l(struct thread * td,struct linux_ioctl_args * args)2806 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2807 {
2808 struct file *fp;
2809 int error;
2810 struct video_tuner vtun;
2811 struct video_window vwin;
2812 struct video_buffer vbuf;
2813 struct video_code vcode;
2814 struct l_video_tuner l_vtun;
2815 struct l_video_window l_vwin;
2816 struct l_video_buffer l_vbuf;
2817 struct l_video_code l_vcode;
2818
2819 switch (args->cmd & 0xffff) {
2820 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2821 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2822 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2823
2824 case LINUX_VIDIOCGTUNER:
2825 error = fget(td, args->fd,
2826 &cap_ioctl_rights, &fp);
2827 if (error != 0)
2828 return (error);
2829 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2830 if (error) {
2831 fdrop(fp, td);
2832 return (error);
2833 }
2834 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2835 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2836 if (!error) {
2837 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2838 error = copyout(&l_vtun, (void *) args->arg,
2839 sizeof(l_vtun));
2840 }
2841 fdrop(fp, td);
2842 return (error);
2843
2844 case LINUX_VIDIOCSTUNER:
2845 error = fget(td, args->fd,
2846 &cap_ioctl_rights, &fp);
2847 if (error != 0)
2848 return (error);
2849 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2850 if (error) {
2851 fdrop(fp, td);
2852 return (error);
2853 }
2854 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2855 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2856 fdrop(fp, td);
2857 return (error);
2858
2859 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2860 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2861 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2862
2863 case LINUX_VIDIOCGWIN:
2864 error = fget(td, args->fd,
2865 &cap_ioctl_rights, &fp);
2866 if (error != 0)
2867 return (error);
2868 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2869 if (!error) {
2870 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2871 error = copyout(&l_vwin, (void *) args->arg,
2872 sizeof(l_vwin));
2873 }
2874 fdrop(fp, td);
2875 return (error);
2876
2877 case LINUX_VIDIOCSWIN:
2878 error = fget(td, args->fd,
2879 &cap_ioctl_rights, &fp);
2880 if (error != 0)
2881 return (error);
2882 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
2883 if (error) {
2884 fdrop(fp, td);
2885 return (error);
2886 }
2887 linux_to_bsd_v4l_window(&l_vwin, &vwin);
2888 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2889 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
2890 if (error) {
2891 fdrop(fp, td);
2892 return (error);
2893 }
2894 #endif
2895 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
2896 fdrop(fp, td);
2897 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2898 linux_v4l_cliplist_free(&vwin);
2899 #endif
2900 return (error);
2901
2902 case LINUX_VIDIOCGFBUF:
2903 error = fget(td, args->fd,
2904 &cap_ioctl_rights, &fp);
2905 if (error != 0)
2906 return (error);
2907 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
2908 if (!error) {
2909 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
2910 error = copyout(&l_vbuf, (void *) args->arg,
2911 sizeof(l_vbuf));
2912 }
2913 fdrop(fp, td);
2914 return (error);
2915
2916 case LINUX_VIDIOCSFBUF:
2917 error = fget(td, args->fd,
2918 &cap_ioctl_rights, &fp);
2919 if (error != 0)
2920 return (error);
2921 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
2922 if (error) {
2923 fdrop(fp, td);
2924 return (error);
2925 }
2926 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
2927 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
2928 fdrop(fp, td);
2929 return (error);
2930
2931 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
2932 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
2933 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
2934 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
2935 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
2936 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
2937 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
2938 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
2939 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
2940 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
2941 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
2942 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
2943 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
2944 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
2945
2946 case LINUX_VIDIOCSMICROCODE:
2947 error = fget(td, args->fd,
2948 &cap_ioctl_rights, &fp);
2949 if (error != 0)
2950 return (error);
2951 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
2952 if (error) {
2953 fdrop(fp, td);
2954 return (error);
2955 }
2956 linux_to_bsd_v4l_code(&l_vcode, &vcode);
2957 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
2958 fdrop(fp, td);
2959 return (error);
2960
2961 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
2962 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
2963 default: return (ENOIOCTL);
2964 }
2965
2966 error = sys_ioctl(td, (struct ioctl_args *)args);
2967 return (error);
2968 }
2969
2970 /*
2971 * Special ioctl handler
2972 */
2973 static int
linux_ioctl_special(struct thread * td,struct linux_ioctl_args * args)2974 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
2975 {
2976 int error;
2977
2978 switch (args->cmd) {
2979 case LINUX_SIOCGIFADDR:
2980 args->cmd = SIOCGIFADDR;
2981 error = sys_ioctl(td, (struct ioctl_args *)args);
2982 break;
2983 case LINUX_SIOCSIFADDR:
2984 args->cmd = SIOCSIFADDR;
2985 error = sys_ioctl(td, (struct ioctl_args *)args);
2986 break;
2987 case LINUX_SIOCGIFFLAGS:
2988 args->cmd = SIOCGIFFLAGS;
2989 error = sys_ioctl(td, (struct ioctl_args *)args);
2990 break;
2991 default:
2992 error = ENOIOCTL;
2993 }
2994
2995 return (error);
2996 }
2997
2998 static int
linux_to_bsd_v4l2_standard(struct l_v4l2_standard * lvstd,struct v4l2_standard * vstd)2999 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3000 {
3001 vstd->index = lvstd->index;
3002 vstd->id = lvstd->id;
3003 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3004 memcpy(vstd->name, lvstd->name, sizeof(vstd->name));
3005 vstd->frameperiod = lvstd->frameperiod;
3006 vstd->framelines = lvstd->framelines;
3007 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3008 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved));
3009 return (0);
3010 }
3011
3012 static int
bsd_to_linux_v4l2_standard(struct v4l2_standard * vstd,struct l_v4l2_standard * lvstd)3013 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3014 {
3015 lvstd->index = vstd->index;
3016 lvstd->id = vstd->id;
3017 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3018 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name));
3019 lvstd->frameperiod = vstd->frameperiod;
3020 lvstd->framelines = vstd->framelines;
3021 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3022 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved));
3023 return (0);
3024 }
3025
3026 static int
linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer * lvb,struct v4l2_buffer * vb)3027 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3028 {
3029 vb->index = lvb->index;
3030 vb->type = lvb->type;
3031 vb->bytesused = lvb->bytesused;
3032 vb->flags = lvb->flags;
3033 vb->field = lvb->field;
3034 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3035 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3036 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3037 vb->sequence = lvb->sequence;
3038 vb->memory = lvb->memory;
3039 if (lvb->memory == V4L2_MEMORY_USERPTR)
3040 /* possible pointer size conversion */
3041 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3042 else
3043 vb->m.offset = lvb->m.offset;
3044 vb->length = lvb->length;
3045 vb->input = lvb->input;
3046 vb->reserved = lvb->reserved;
3047 return (0);
3048 }
3049
3050 static int
bsd_to_linux_v4l2_buffer(struct v4l2_buffer * vb,struct l_v4l2_buffer * lvb)3051 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3052 {
3053 lvb->index = vb->index;
3054 lvb->type = vb->type;
3055 lvb->bytesused = vb->bytesused;
3056 lvb->flags = vb->flags;
3057 lvb->field = vb->field;
3058 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3059 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3060 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3061 lvb->sequence = vb->sequence;
3062 lvb->memory = vb->memory;
3063 if (vb->memory == V4L2_MEMORY_USERPTR)
3064 /* possible pointer size conversion */
3065 lvb->m.userptr = PTROUT(vb->m.userptr);
3066 else
3067 lvb->m.offset = vb->m.offset;
3068 lvb->length = vb->length;
3069 lvb->input = vb->input;
3070 lvb->reserved = vb->reserved;
3071 return (0);
3072 }
3073
3074 static int
linux_to_bsd_v4l2_format(struct l_v4l2_format * lvf,struct v4l2_format * vf)3075 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3076 {
3077 vf->type = lvf->type;
3078 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3079 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3080 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3081 #endif
3082 )
3083 /*
3084 * XXX TODO - needs 32 -> 64 bit conversion:
3085 * (unused by webcams?)
3086 */
3087 return (EINVAL);
3088 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3089 return (0);
3090 }
3091
3092 static int
bsd_to_linux_v4l2_format(struct v4l2_format * vf,struct l_v4l2_format * lvf)3093 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3094 {
3095 lvf->type = vf->type;
3096 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3097 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3098 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3099 #endif
3100 )
3101 /*
3102 * XXX TODO - needs 32 -> 64 bit conversion:
3103 * (unused by webcams?)
3104 */
3105 return (EINVAL);
3106 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3107 return (0);
3108 }
3109 static int
linux_ioctl_v4l2(struct thread * td,struct linux_ioctl_args * args)3110 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3111 {
3112 struct file *fp;
3113 int error;
3114 struct v4l2_format vformat;
3115 struct l_v4l2_format l_vformat;
3116 struct v4l2_standard vstd;
3117 struct l_v4l2_standard l_vstd;
3118 struct l_v4l2_buffer l_vbuf;
3119 struct v4l2_buffer vbuf;
3120 struct v4l2_input vinp;
3121
3122 switch (args->cmd & 0xffff) {
3123 case LINUX_VIDIOC_RESERVED:
3124 case LINUX_VIDIOC_LOG_STATUS:
3125 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3126 return (ENOIOCTL);
3127 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3128 break;
3129
3130 case LINUX_VIDIOC_OVERLAY:
3131 case LINUX_VIDIOC_STREAMON:
3132 case LINUX_VIDIOC_STREAMOFF:
3133 case LINUX_VIDIOC_S_STD:
3134 case LINUX_VIDIOC_S_TUNER:
3135 case LINUX_VIDIOC_S_AUDIO:
3136 case LINUX_VIDIOC_S_AUDOUT:
3137 case LINUX_VIDIOC_S_MODULATOR:
3138 case LINUX_VIDIOC_S_FREQUENCY:
3139 case LINUX_VIDIOC_S_CROP:
3140 case LINUX_VIDIOC_S_JPEGCOMP:
3141 case LINUX_VIDIOC_S_PRIORITY:
3142 case LINUX_VIDIOC_DBG_S_REGISTER:
3143 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3144 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3145 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3146 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3147 break;
3148
3149 case LINUX_VIDIOC_QUERYCAP:
3150 case LINUX_VIDIOC_G_STD:
3151 case LINUX_VIDIOC_G_AUDIO:
3152 case LINUX_VIDIOC_G_INPUT:
3153 case LINUX_VIDIOC_G_OUTPUT:
3154 case LINUX_VIDIOC_G_AUDOUT:
3155 case LINUX_VIDIOC_G_JPEGCOMP:
3156 case LINUX_VIDIOC_QUERYSTD:
3157 case LINUX_VIDIOC_G_PRIORITY:
3158 case LINUX_VIDIOC_QUERY_DV_PRESET:
3159 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3160 break;
3161
3162 case LINUX_VIDIOC_ENUM_FMT:
3163 case LINUX_VIDIOC_REQBUFS:
3164 case LINUX_VIDIOC_G_PARM:
3165 case LINUX_VIDIOC_S_PARM:
3166 case LINUX_VIDIOC_G_CTRL:
3167 case LINUX_VIDIOC_S_CTRL:
3168 case LINUX_VIDIOC_G_TUNER:
3169 case LINUX_VIDIOC_QUERYCTRL:
3170 case LINUX_VIDIOC_QUERYMENU:
3171 case LINUX_VIDIOC_S_INPUT:
3172 case LINUX_VIDIOC_S_OUTPUT:
3173 case LINUX_VIDIOC_ENUMOUTPUT:
3174 case LINUX_VIDIOC_G_MODULATOR:
3175 case LINUX_VIDIOC_G_FREQUENCY:
3176 case LINUX_VIDIOC_CROPCAP:
3177 case LINUX_VIDIOC_G_CROP:
3178 case LINUX_VIDIOC_ENUMAUDIO:
3179 case LINUX_VIDIOC_ENUMAUDOUT:
3180 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3181 #ifdef VIDIOC_ENUM_FRAMESIZES
3182 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3183 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3184 case LINUX_VIDIOC_ENCODER_CMD:
3185 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3186 #endif
3187 case LINUX_VIDIOC_DBG_G_REGISTER:
3188 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3189 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3190 case LINUX_VIDIOC_S_DV_PRESET:
3191 case LINUX_VIDIOC_G_DV_PRESET:
3192 case LINUX_VIDIOC_S_DV_TIMINGS:
3193 case LINUX_VIDIOC_G_DV_TIMINGS:
3194 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3195 break;
3196
3197 case LINUX_VIDIOC_G_FMT:
3198 case LINUX_VIDIOC_S_FMT:
3199 case LINUX_VIDIOC_TRY_FMT:
3200 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3201 if (error)
3202 return (error);
3203 error = fget(td, args->fd,
3204 &cap_ioctl_rights, &fp);
3205 if (error)
3206 return (error);
3207 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3208 error = EINVAL;
3209 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3210 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3211 td->td_ucred, td);
3212 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3213 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3214 td->td_ucred, td);
3215 else
3216 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3217 td->td_ucred, td);
3218 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3219 if (error == 0)
3220 error = copyout(&l_vformat, (void *)args->arg,
3221 sizeof(l_vformat));
3222 fdrop(fp, td);
3223 return (error);
3224
3225 case LINUX_VIDIOC_ENUMSTD:
3226 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3227 if (error)
3228 return (error);
3229 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3230 error = fget(td, args->fd,
3231 &cap_ioctl_rights, &fp);
3232 if (error)
3233 return (error);
3234 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3235 td->td_ucred, td);
3236 if (error) {
3237 fdrop(fp, td);
3238 return (error);
3239 }
3240 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3241 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3242 fdrop(fp, td);
3243 return (error);
3244
3245 case LINUX_VIDIOC_ENUMINPUT:
3246 /*
3247 * The Linux struct l_v4l2_input differs only in size,
3248 * it has no padding at the end.
3249 */
3250 error = copyin((void *)args->arg, &vinp,
3251 sizeof(struct l_v4l2_input));
3252 if (error != 0)
3253 return (error);
3254 error = fget(td, args->fd,
3255 &cap_ioctl_rights, &fp);
3256 if (error != 0)
3257 return (error);
3258 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3259 td->td_ucred, td);
3260 if (error) {
3261 fdrop(fp, td);
3262 return (error);
3263 }
3264 error = copyout(&vinp, (void *)args->arg,
3265 sizeof(struct l_v4l2_input));
3266 fdrop(fp, td);
3267 return (error);
3268
3269 case LINUX_VIDIOC_QUERYBUF:
3270 case LINUX_VIDIOC_QBUF:
3271 case LINUX_VIDIOC_DQBUF:
3272 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3273 if (error)
3274 return (error);
3275 error = fget(td, args->fd,
3276 &cap_ioctl_rights, &fp);
3277 if (error)
3278 return (error);
3279 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3280 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3281 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3282 td->td_ucred, td);
3283 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3284 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3285 td->td_ucred, td);
3286 else
3287 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3288 td->td_ucred, td);
3289 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3290 if (error == 0)
3291 error = copyout(&l_vbuf, (void *)args->arg,
3292 sizeof(l_vbuf));
3293 fdrop(fp, td);
3294 return (error);
3295
3296 /*
3297 * XXX TODO - these need 32 -> 64 bit conversion:
3298 * (are any of them needed for webcams?)
3299 */
3300 case LINUX_VIDIOC_G_FBUF:
3301 case LINUX_VIDIOC_S_FBUF:
3302
3303 case LINUX_VIDIOC_G_EXT_CTRLS:
3304 case LINUX_VIDIOC_S_EXT_CTRLS:
3305 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3306
3307 case LINUX_VIDIOC_DQEVENT:
3308
3309 default: return (ENOIOCTL);
3310 }
3311
3312 error = sys_ioctl(td, (struct ioctl_args *)args);
3313 return (error);
3314 }
3315
3316 /*
3317 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3318 * instead of USB* ones. This lets us to provide correct values for cmd.
3319 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3320 */
3321 static int
linux_ioctl_fbsd_usb(struct thread * td,struct linux_ioctl_args * args)3322 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3323 {
3324 int error;
3325
3326 error = 0;
3327 switch (args->cmd) {
3328 case FBSD_LUSB_DEVICEENUMERATE:
3329 args->cmd = USB_DEVICEENUMERATE;
3330 break;
3331 case FBSD_LUSB_DEV_QUIRK_ADD:
3332 args->cmd = USB_DEV_QUIRK_ADD;
3333 break;
3334 case FBSD_LUSB_DEV_QUIRK_GET:
3335 args->cmd = USB_DEV_QUIRK_GET;
3336 break;
3337 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3338 args->cmd = USB_DEV_QUIRK_REMOVE;
3339 break;
3340 case FBSD_LUSB_DO_REQUEST:
3341 args->cmd = USB_DO_REQUEST;
3342 break;
3343 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3344 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3345 break;
3346 case FBSD_LUSB_FS_CLOSE:
3347 args->cmd = USB_FS_CLOSE;
3348 break;
3349 case FBSD_LUSB_FS_COMPLETE:
3350 args->cmd = USB_FS_COMPLETE;
3351 break;
3352 case FBSD_LUSB_FS_INIT:
3353 args->cmd = USB_FS_INIT;
3354 break;
3355 case FBSD_LUSB_FS_OPEN:
3356 args->cmd = USB_FS_OPEN;
3357 break;
3358 case FBSD_LUSB_FS_START:
3359 args->cmd = USB_FS_START;
3360 break;
3361 case FBSD_LUSB_FS_STOP:
3362 args->cmd = USB_FS_STOP;
3363 break;
3364 case FBSD_LUSB_FS_UNINIT:
3365 args->cmd = USB_FS_UNINIT;
3366 break;
3367 case FBSD_LUSB_GET_CONFIG:
3368 args->cmd = USB_GET_CONFIG;
3369 break;
3370 case FBSD_LUSB_GET_DEVICEINFO:
3371 args->cmd = USB_GET_DEVICEINFO;
3372 break;
3373 case FBSD_LUSB_GET_DEVICE_DESC:
3374 args->cmd = USB_GET_DEVICE_DESC;
3375 break;
3376 case FBSD_LUSB_GET_FULL_DESC:
3377 args->cmd = USB_GET_FULL_DESC;
3378 break;
3379 case FBSD_LUSB_GET_IFACE_DRIVER:
3380 args->cmd = USB_GET_IFACE_DRIVER;
3381 break;
3382 case FBSD_LUSB_GET_PLUGTIME:
3383 args->cmd = USB_GET_PLUGTIME;
3384 break;
3385 case FBSD_LUSB_GET_POWER_MODE:
3386 args->cmd = USB_GET_POWER_MODE;
3387 break;
3388 case FBSD_LUSB_GET_REPORT_DESC:
3389 args->cmd = USB_GET_REPORT_DESC;
3390 break;
3391 case FBSD_LUSB_GET_REPORT_ID:
3392 args->cmd = USB_GET_REPORT_ID;
3393 break;
3394 case FBSD_LUSB_GET_TEMPLATE:
3395 args->cmd = USB_GET_TEMPLATE;
3396 break;
3397 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3398 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3399 break;
3400 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3401 args->cmd = USB_IFACE_DRIVER_DETACH;
3402 break;
3403 case FBSD_LUSB_QUIRK_NAME_GET:
3404 args->cmd = USB_QUIRK_NAME_GET;
3405 break;
3406 case FBSD_LUSB_READ_DIR:
3407 args->cmd = USB_READ_DIR;
3408 break;
3409 case FBSD_LUSB_SET_ALTINTERFACE:
3410 args->cmd = USB_SET_ALTINTERFACE;
3411 break;
3412 case FBSD_LUSB_SET_CONFIG:
3413 args->cmd = USB_SET_CONFIG;
3414 break;
3415 case FBSD_LUSB_SET_IMMED:
3416 args->cmd = USB_SET_IMMED;
3417 break;
3418 case FBSD_LUSB_SET_POWER_MODE:
3419 args->cmd = USB_SET_POWER_MODE;
3420 break;
3421 case FBSD_LUSB_SET_TEMPLATE:
3422 args->cmd = USB_SET_TEMPLATE;
3423 break;
3424 case FBSD_LUSB_FS_OPEN_STREAM:
3425 args->cmd = USB_FS_OPEN_STREAM;
3426 break;
3427 case FBSD_LUSB_GET_DEV_PORT_PATH:
3428 args->cmd = USB_GET_DEV_PORT_PATH;
3429 break;
3430 case FBSD_LUSB_GET_POWER_USAGE:
3431 args->cmd = USB_GET_POWER_USAGE;
3432 break;
3433 case FBSD_LUSB_DEVICESTATS:
3434 args->cmd = USB_DEVICESTATS;
3435 break;
3436 default:
3437 error = ENOIOCTL;
3438 }
3439 if (error != ENOIOCTL)
3440 error = sys_ioctl(td, (struct ioctl_args *)args);
3441 return (error);
3442 }
3443
3444 /*
3445 * Some evdev ioctls must be translated.
3446 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data
3447 * (must be IOC_INOUT on FreeBSD).
3448 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with
3449 * an int argument. You don't pass an int pointer to the ioctl(), however,
3450 * but just the int directly. On FreeBSD, they are defined as _IOWINT for
3451 * this to work.
3452 */
3453 static int
linux_ioctl_evdev(struct thread * td,struct linux_ioctl_args * args)3454 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args)
3455 {
3456 struct file *fp;
3457 clockid_t clock;
3458 int error;
3459
3460 args->cmd = SETDIR(args->cmd);
3461
3462 switch (args->cmd) {
3463 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN:
3464 args->cmd = EVIOCGRAB;
3465 break;
3466 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN:
3467 args->cmd = EVIOCREVOKE;
3468 break;
3469 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN:
3470 args->cmd = EVIOCRMFF;
3471 break;
3472 case EVIOCSCLOCKID: {
3473 error = copyin(PTRIN(args->arg), &clock, sizeof(clock));
3474 if (error != 0)
3475 return (error);
3476 if (clock & ~(LINUX_IOCTL_EVDEV_CLK))
3477 return (EINVAL);
3478 error = linux_to_native_clockid(&clock, clock);
3479 if (error != 0)
3480 return (error);
3481
3482 error = fget(td, args->fd,
3483 &cap_ioctl_rights, &fp);
3484 if (error != 0)
3485 return (error);
3486
3487 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td);
3488 fdrop(fp, td);
3489 return (error);
3490 }
3491 default:
3492 break;
3493 }
3494
3495 if (IOCBASECMD(args->cmd) ==
3496 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT))
3497 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3498
3499 return (sys_ioctl(td, (struct ioctl_args *)args));
3500 }
3501
3502 static int
linux_ioctl_kcov(struct thread * td,struct linux_ioctl_args * args)3503 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args)
3504 {
3505 int error;
3506
3507 error = 0;
3508 switch (args->cmd & 0xffff) {
3509 case LINUX_KCOV_INIT_TRACE:
3510 args->cmd = KIOSETBUFSIZE;
3511 break;
3512 case LINUX_KCOV_ENABLE:
3513 args->cmd = KIOENABLE;
3514 if (args->arg == 0)
3515 args->arg = KCOV_MODE_TRACE_PC;
3516 else if (args->arg == 1)
3517 args->arg = KCOV_MODE_TRACE_CMP;
3518 else
3519 error = EINVAL;
3520 break;
3521 case LINUX_KCOV_DISABLE:
3522 args->cmd = KIODISABLE;
3523 break;
3524 default:
3525 error = ENOTTY;
3526 break;
3527 }
3528
3529 if (error == 0)
3530 error = sys_ioctl(td, (struct ioctl_args *)args);
3531 return (error);
3532 }
3533
3534 /*
3535 * main ioctl syscall function
3536 */
3537
3538 static int
linux_ioctl_fallback(struct thread * td,struct linux_ioctl_args * args)3539 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args)
3540 {
3541 struct file *fp;
3542 struct linux_ioctl_handler_element *he;
3543 int error, cmd;
3544
3545 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
3546 if (error != 0)
3547 return (error);
3548 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3549 fdrop(fp, td);
3550 return (EBADF);
3551 }
3552
3553 /* Iterate over the ioctl handlers */
3554 cmd = args->cmd & 0xffff;
3555 sx_slock(&linux_ioctl_sx);
3556 mtx_lock(&Giant);
3557 #ifdef COMPAT_LINUX32
3558 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3559 if (cmd >= he->low && cmd <= he->high) {
3560 error = (*he->func)(td, args);
3561 if (error != ENOIOCTL) {
3562 mtx_unlock(&Giant);
3563 sx_sunlock(&linux_ioctl_sx);
3564 fdrop(fp, td);
3565 return (error);
3566 }
3567 }
3568 }
3569 #endif
3570 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3571 if (cmd >= he->low && cmd <= he->high) {
3572 error = (*he->func)(td, args);
3573 if (error != ENOIOCTL) {
3574 mtx_unlock(&Giant);
3575 sx_sunlock(&linux_ioctl_sx);
3576 fdrop(fp, td);
3577 return (error);
3578 }
3579 }
3580 }
3581 mtx_unlock(&Giant);
3582 sx_sunlock(&linux_ioctl_sx);
3583 fdrop(fp, td);
3584
3585 switch (args->cmd & 0xffff) {
3586 case LINUX_BTRFS_IOC_CLONE:
3587 case LINUX_F2FS_IOC_GET_FEATURES:
3588 case LINUX_FS_IOC_FIEMAP:
3589 return (ENOTSUP);
3590
3591 default:
3592 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3593 __func__, args->fd, args->cmd,
3594 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3595 break;
3596 }
3597
3598 return (EINVAL);
3599 }
3600
3601 int
linux_ioctl(struct thread * td,struct linux_ioctl_args * args)3602 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3603 {
3604 struct linux_ioctl_handler *handler;
3605 int error, cmd, i;
3606
3607 cmd = args->cmd & 0xffff;
3608
3609 /*
3610 * array of ioctls known at compilation time. Elides a lot of work on
3611 * each call compared to the list variant. Everything frequently used
3612 * should be moved here.
3613 *
3614 * Arguably the magic creating the list should create an array instead.
3615 *
3616 * For now just a linear scan.
3617 */
3618 for (i = 0; i < nitems(linux_ioctls); i++) {
3619 handler = &linux_ioctls[i];
3620 if (cmd >= handler->low && cmd <= handler->high) {
3621 error = (*handler->func)(td, args);
3622 if (error != ENOIOCTL) {
3623 return (error);
3624 }
3625 }
3626 }
3627 return (linux_ioctl_fallback(td, args));
3628 }
3629
3630 int
linux_ioctl_register_handler(struct linux_ioctl_handler * h)3631 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3632 {
3633 struct linux_ioctl_handler_element *he, *cur;
3634
3635 if (h == NULL || h->func == NULL)
3636 return (EINVAL);
3637
3638 /*
3639 * Reuse the element if the handler is already on the list, otherwise
3640 * create a new element.
3641 */
3642 sx_xlock(&linux_ioctl_sx);
3643 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3644 if (he->func == h->func)
3645 break;
3646 }
3647 if (he == NULL) {
3648 he = malloc(sizeof(*he),
3649 M_LINUX, M_WAITOK);
3650 he->func = h->func;
3651 } else
3652 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3653
3654 /* Initialize range information. */
3655 he->low = h->low;
3656 he->high = h->high;
3657 he->span = h->high - h->low + 1;
3658
3659 /* Add the element to the list, sorted on span. */
3660 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) {
3661 if (cur->span > he->span) {
3662 TAILQ_INSERT_BEFORE(cur, he, list);
3663 sx_xunlock(&linux_ioctl_sx);
3664 return (0);
3665 }
3666 }
3667 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list);
3668 sx_xunlock(&linux_ioctl_sx);
3669
3670 return (0);
3671 }
3672
3673 int
linux_ioctl_unregister_handler(struct linux_ioctl_handler * h)3674 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3675 {
3676 struct linux_ioctl_handler_element *he;
3677
3678 if (h == NULL || h->func == NULL)
3679 return (EINVAL);
3680
3681 sx_xlock(&linux_ioctl_sx);
3682 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3683 if (he->func == h->func) {
3684 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3685 sx_xunlock(&linux_ioctl_sx);
3686 free(he, M_LINUX);
3687 return (0);
3688 }
3689 }
3690 sx_xunlock(&linux_ioctl_sx);
3691
3692 return (EINVAL);
3693 }
3694
3695 #ifdef COMPAT_LINUX32
3696 int
linux32_ioctl_register_handler(struct linux_ioctl_handler * h)3697 linux32_ioctl_register_handler(struct linux_ioctl_handler *h)
3698 {
3699 struct linux_ioctl_handler_element *he, *cur;
3700
3701 if (h == NULL || h->func == NULL)
3702 return (EINVAL);
3703
3704 /*
3705 * Reuse the element if the handler is already on the list, otherwise
3706 * create a new element.
3707 */
3708 sx_xlock(&linux_ioctl_sx);
3709 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3710 if (he->func == h->func)
3711 break;
3712 }
3713 if (he == NULL) {
3714 he = malloc(sizeof(*he), M_LINUX, M_WAITOK);
3715 he->func = h->func;
3716 } else
3717 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3718
3719 /* Initialize range information. */
3720 he->low = h->low;
3721 he->high = h->high;
3722 he->span = h->high - h->low + 1;
3723
3724 /* Add the element to the list, sorted on span. */
3725 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) {
3726 if (cur->span > he->span) {
3727 TAILQ_INSERT_BEFORE(cur, he, list);
3728 sx_xunlock(&linux_ioctl_sx);
3729 return (0);
3730 }
3731 }
3732 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list);
3733 sx_xunlock(&linux_ioctl_sx);
3734
3735 return (0);
3736 }
3737
3738 int
linux32_ioctl_unregister_handler(struct linux_ioctl_handler * h)3739 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3740 {
3741 struct linux_ioctl_handler_element *he;
3742
3743 if (h == NULL || h->func == NULL)
3744 return (EINVAL);
3745
3746 sx_xlock(&linux_ioctl_sx);
3747 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3748 if (he->func == h->func) {
3749 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3750 sx_xunlock(&linux_ioctl_sx);
3751 free(he, M_LINUX);
3752 return (0);
3753 }
3754 }
3755 sx_xunlock(&linux_ioctl_sx);
3756
3757 return (EINVAL);
3758 }
3759 #endif
3760