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 #include <dev/nvme/nvme_linux.h>
87
88 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \
89 static linux_ioctl_function_t linux_ioctl_ ## shortname; \
90 static struct linux_ioctl_handler shortname ## _handler = { \
91 .func = linux_ioctl_ ## shortname, \
92 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \
93 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \
94 }; \
95 DATA_SET(linux_ioctl_handler_set, shortname ## _handler)
96
97 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM);
98 DEFINE_LINUX_IOCTL_SET(vfat, VFAT);
99 DEFINE_LINUX_IOCTL_SET(console, CONSOLE);
100 DEFINE_LINUX_IOCTL_SET(hdio, HDIO);
101 DEFINE_LINUX_IOCTL_SET(disk, DISK);
102 DEFINE_LINUX_IOCTL_SET(socket, SOCKET);
103 DEFINE_LINUX_IOCTL_SET(sound, SOUND);
104 DEFINE_LINUX_IOCTL_SET(termio, TERMIO);
105 DEFINE_LINUX_IOCTL_SET(private, PRIVATE);
106 DEFINE_LINUX_IOCTL_SET(drm, DRM);
107 DEFINE_LINUX_IOCTL_SET(sg, SG);
108 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO);
109 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2);
110 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB);
111 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV);
112 DEFINE_LINUX_IOCTL_SET(kcov, KCOV);
113 #ifndef COMPAT_LINUX32
114 DEFINE_LINUX_IOCTL_SET(nvme, NVME);
115 #endif
116
117 #undef DEFINE_LINUX_IOCTL_SET
118
119 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *);
120
121 /*
122 * Keep sorted by low.
123 */
124 static struct linux_ioctl_handler linux_ioctls[] = {
125 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN,
126 .high = LINUX_IOCTL_TERMIO_MAX },
127 };
128
129 #ifdef __i386__
130 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers =
131 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers);
132 static struct sx linux_ioctl_sx;
133 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers");
134 #else
135 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers;
136 extern struct sx linux_ioctl_sx;
137 #endif
138 #ifdef COMPAT_LINUX32
139 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers =
140 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers);
141 #endif
142
143 /*
144 * hdio related ioctls for VMWare support
145 */
146
147 struct linux_hd_geometry {
148 uint8_t heads;
149 uint8_t sectors;
150 uint16_t cylinders;
151 uint32_t start;
152 };
153
154 struct linux_hd_big_geometry {
155 uint8_t heads;
156 uint8_t sectors;
157 uint32_t cylinders;
158 uint32_t start;
159 };
160
161 static int
linux_ioctl_hdio(struct thread * td,struct linux_ioctl_args * args)162 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
163 {
164 struct file *fp;
165 int error;
166 u_int sectorsize, fwcylinders, fwheads, fwsectors;
167 off_t mediasize, bytespercyl;
168
169 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
170 if (error != 0)
171 return (error);
172 switch (args->cmd & 0xffff) {
173 case LINUX_HDIO_GET_GEO:
174 case LINUX_HDIO_GET_GEO_BIG:
175 error = fo_ioctl(fp, DIOCGMEDIASIZE,
176 (caddr_t)&mediasize, td->td_ucred, td);
177 if (!error)
178 error = fo_ioctl(fp, DIOCGSECTORSIZE,
179 (caddr_t)§orsize, td->td_ucred, td);
180 if (!error)
181 error = fo_ioctl(fp, DIOCGFWHEADS,
182 (caddr_t)&fwheads, td->td_ucred, td);
183 if (!error)
184 error = fo_ioctl(fp, DIOCGFWSECTORS,
185 (caddr_t)&fwsectors, td->td_ucred, td);
186 /*
187 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
188 * so pretend that GEOM always says 0. This is NOT VALID
189 * for slices or partitions, only the per-disk raw devices.
190 */
191
192 fdrop(fp, td);
193 if (error)
194 return (error);
195 /*
196 * 1. Calculate the number of bytes in a cylinder,
197 * given the firmware's notion of heads and sectors
198 * per cylinder.
199 * 2. Calculate the number of cylinders, given the total
200 * size of the media.
201 * All internal calculations should have 64-bit precision.
202 */
203 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
204 fwcylinders = mediasize / bytespercyl;
205
206 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
207 struct linux_hd_geometry hdg;
208
209 hdg.cylinders = fwcylinders;
210 hdg.heads = fwheads;
211 hdg.sectors = fwsectors;
212 hdg.start = 0;
213 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
214 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
215 struct linux_hd_big_geometry hdbg;
216
217 memset(&hdbg, 0, sizeof(hdbg));
218 hdbg.cylinders = fwcylinders;
219 hdbg.heads = fwheads;
220 hdbg.sectors = fwsectors;
221 hdbg.start = 0;
222 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
223 }
224 return (error);
225 break;
226 default:
227 /* XXX */
228 linux_msg(td,
229 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented",
230 __func__, args->fd, args->cmd,
231 (int)(args->cmd & 0xff00) >> 8,
232 (int)(args->cmd & 0xff));
233 break;
234 }
235 fdrop(fp, td);
236 return (ENOIOCTL);
237 }
238
239 static int
linux_ioctl_disk(struct thread * td,struct linux_ioctl_args * args)240 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
241 {
242 struct file *fp;
243 int error;
244 u_int sectorsize, psectorsize;
245 uint64_t blksize64;
246 off_t mediasize, stripesize;
247
248 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
249 if (error != 0)
250 return (error);
251 switch (args->cmd & 0xffff) {
252 case LINUX_BLKGETSIZE:
253 error = fo_ioctl(fp, DIOCGSECTORSIZE,
254 (caddr_t)§orsize, td->td_ucred, td);
255 if (!error)
256 error = fo_ioctl(fp, DIOCGMEDIASIZE,
257 (caddr_t)&mediasize, td->td_ucred, td);
258 fdrop(fp, td);
259 if (error)
260 return (error);
261 sectorsize = mediasize / sectorsize;
262 /*
263 * XXX: How do we know we return the right size of integer ?
264 */
265 return (copyout(§orsize, (void *)args->arg,
266 sizeof(sectorsize)));
267 break;
268 case LINUX_BLKGETSIZE64:
269 error = fo_ioctl(fp, DIOCGMEDIASIZE,
270 (caddr_t)&mediasize, td->td_ucred, td);
271 fdrop(fp, td);
272 if (error)
273 return (error);
274 blksize64 = mediasize;
275 return (copyout(&blksize64, (void *)args->arg,
276 sizeof(blksize64)));
277 case LINUX_BLKSSZGET:
278 error = fo_ioctl(fp, DIOCGSECTORSIZE,
279 (caddr_t)§orsize, td->td_ucred, td);
280 fdrop(fp, td);
281 if (error)
282 return (error);
283 return (copyout(§orsize, (void *)args->arg,
284 sizeof(sectorsize)));
285 break;
286 case LINUX_BLKPBSZGET:
287 error = fo_ioctl(fp, DIOCGSTRIPESIZE,
288 (caddr_t)&stripesize, td->td_ucred, td);
289 if (error != 0) {
290 fdrop(fp, td);
291 return (error);
292 }
293 if (stripesize > 0 && stripesize <= 4096) {
294 psectorsize = stripesize;
295 } else {
296 error = fo_ioctl(fp, DIOCGSECTORSIZE,
297 (caddr_t)§orsize, td->td_ucred, td);
298 if (error != 0) {
299 fdrop(fp, td);
300 return (error);
301 }
302 psectorsize = sectorsize;
303 }
304 fdrop(fp, td);
305 return (copyout(&psectorsize, (void *)args->arg,
306 sizeof(psectorsize)));
307 }
308 fdrop(fp, td);
309 return (ENOIOCTL);
310 }
311
312 /*
313 * termio related ioctls
314 */
315
316 struct linux_termio {
317 unsigned short c_iflag;
318 unsigned short c_oflag;
319 unsigned short c_cflag;
320 unsigned short c_lflag;
321 unsigned char c_line;
322 unsigned char c_cc[LINUX_NCC];
323 };
324
325 struct linux_termios {
326 unsigned int c_iflag;
327 unsigned int c_oflag;
328 unsigned int c_cflag;
329 unsigned int c_lflag;
330 unsigned char c_line;
331 unsigned char c_cc[LINUX_NCCS];
332 };
333
334 struct linux_winsize {
335 unsigned short ws_row, ws_col;
336 unsigned short ws_xpixel, ws_ypixel;
337 };
338
339 struct speedtab {
340 int sp_speed; /* Speed. */
341 int sp_code; /* Code. */
342 };
343
344 static struct speedtab sptab[] = {
345 { B0, LINUX_B0 }, { B50, LINUX_B50 },
346 { B75, LINUX_B75 }, { B110, LINUX_B110 },
347 { B134, LINUX_B134 }, { B150, LINUX_B150 },
348 { B200, LINUX_B200 }, { B300, LINUX_B300 },
349 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
350 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
351 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
352 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
353 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
354 {-1, -1 }
355 };
356
357 struct linux_serial_struct {
358 int type;
359 int line;
360 int port;
361 int irq;
362 int flags;
363 int xmit_fifo_size;
364 int custom_divisor;
365 int baud_base;
366 unsigned short close_delay;
367 char reserved_char[2];
368 int hub6;
369 unsigned short closing_wait;
370 unsigned short closing_wait2;
371 int reserved[4];
372 };
373
374 static int
linux_to_bsd_speed(int code,struct speedtab * table)375 linux_to_bsd_speed(int code, struct speedtab *table)
376 {
377 for ( ; table->sp_code != -1; table++)
378 if (table->sp_code == code)
379 return (table->sp_speed);
380 return (-1);
381 }
382
383 static int
bsd_to_linux_speed(int speed,struct speedtab * table)384 bsd_to_linux_speed(int speed, struct speedtab *table)
385 {
386 for ( ; table->sp_speed != -1; table++)
387 if (table->sp_speed == speed)
388 return (table->sp_code);
389 return (-1);
390 }
391
392 static void
bsd_to_linux_termios(struct termios * bios,struct linux_termios * lios)393 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
394 {
395 int i;
396
397 lios->c_iflag = 0;
398 if (bios->c_iflag & IGNBRK)
399 lios->c_iflag |= LINUX_IGNBRK;
400 if (bios->c_iflag & BRKINT)
401 lios->c_iflag |= LINUX_BRKINT;
402 if (bios->c_iflag & IGNPAR)
403 lios->c_iflag |= LINUX_IGNPAR;
404 if (bios->c_iflag & PARMRK)
405 lios->c_iflag |= LINUX_PARMRK;
406 if (bios->c_iflag & INPCK)
407 lios->c_iflag |= LINUX_INPCK;
408 if (bios->c_iflag & ISTRIP)
409 lios->c_iflag |= LINUX_ISTRIP;
410 if (bios->c_iflag & INLCR)
411 lios->c_iflag |= LINUX_INLCR;
412 if (bios->c_iflag & IGNCR)
413 lios->c_iflag |= LINUX_IGNCR;
414 if (bios->c_iflag & ICRNL)
415 lios->c_iflag |= LINUX_ICRNL;
416 if (bios->c_iflag & IXON)
417 lios->c_iflag |= LINUX_IXON;
418 if (bios->c_iflag & IXANY)
419 lios->c_iflag |= LINUX_IXANY;
420 if (bios->c_iflag & IXOFF)
421 lios->c_iflag |= LINUX_IXOFF;
422 if (bios->c_iflag & IMAXBEL)
423 lios->c_iflag |= LINUX_IMAXBEL;
424
425 lios->c_oflag = 0;
426 if (bios->c_oflag & OPOST)
427 lios->c_oflag |= LINUX_OPOST;
428 if (bios->c_oflag & ONLCR)
429 lios->c_oflag |= LINUX_ONLCR;
430 if (bios->c_oflag & TAB3)
431 lios->c_oflag |= LINUX_XTABS;
432
433 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
434 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
435 if (bios->c_cflag & CSTOPB)
436 lios->c_cflag |= LINUX_CSTOPB;
437 if (bios->c_cflag & CREAD)
438 lios->c_cflag |= LINUX_CREAD;
439 if (bios->c_cflag & PARENB)
440 lios->c_cflag |= LINUX_PARENB;
441 if (bios->c_cflag & PARODD)
442 lios->c_cflag |= LINUX_PARODD;
443 if (bios->c_cflag & HUPCL)
444 lios->c_cflag |= LINUX_HUPCL;
445 if (bios->c_cflag & CLOCAL)
446 lios->c_cflag |= LINUX_CLOCAL;
447 if (bios->c_cflag & CRTSCTS)
448 lios->c_cflag |= LINUX_CRTSCTS;
449
450 lios->c_lflag = 0;
451 if (bios->c_lflag & ISIG)
452 lios->c_lflag |= LINUX_ISIG;
453 if (bios->c_lflag & ICANON)
454 lios->c_lflag |= LINUX_ICANON;
455 if (bios->c_lflag & ECHO)
456 lios->c_lflag |= LINUX_ECHO;
457 if (bios->c_lflag & ECHOE)
458 lios->c_lflag |= LINUX_ECHOE;
459 if (bios->c_lflag & ECHOK)
460 lios->c_lflag |= LINUX_ECHOK;
461 if (bios->c_lflag & ECHONL)
462 lios->c_lflag |= LINUX_ECHONL;
463 if (bios->c_lflag & NOFLSH)
464 lios->c_lflag |= LINUX_NOFLSH;
465 if (bios->c_lflag & TOSTOP)
466 lios->c_lflag |= LINUX_TOSTOP;
467 if (bios->c_lflag & ECHOCTL)
468 lios->c_lflag |= LINUX_ECHOCTL;
469 if (bios->c_lflag & ECHOPRT)
470 lios->c_lflag |= LINUX_ECHOPRT;
471 if (bios->c_lflag & ECHOKE)
472 lios->c_lflag |= LINUX_ECHOKE;
473 if (bios->c_lflag & FLUSHO)
474 lios->c_lflag |= LINUX_FLUSHO;
475 if (bios->c_lflag & PENDIN)
476 lios->c_lflag |= LINUX_PENDIN;
477 if (bios->c_lflag & IEXTEN)
478 lios->c_lflag |= LINUX_IEXTEN;
479
480 for (i=0; i<LINUX_NCCS; i++)
481 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
482 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
483 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
484 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
485 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
486 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
487 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
488 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
489 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
490 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
491 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
492 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
493 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
494 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
495 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
496 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
497 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
498 if (linux_preserve_vstatus)
499 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS];
500
501 for (i=0; i<LINUX_NCCS; i++) {
502 if (i != LINUX_VMIN && i != LINUX_VTIME &&
503 lios->c_cc[i] == _POSIX_VDISABLE)
504 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
505 }
506 lios->c_line = 0;
507 }
508
509 static void
linux_to_bsd_termios(struct linux_termios * lios,struct termios * bios)510 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
511 {
512 int i;
513
514 bios->c_iflag = 0;
515 if (lios->c_iflag & LINUX_IGNBRK)
516 bios->c_iflag |= IGNBRK;
517 if (lios->c_iflag & LINUX_BRKINT)
518 bios->c_iflag |= BRKINT;
519 if (lios->c_iflag & LINUX_IGNPAR)
520 bios->c_iflag |= IGNPAR;
521 if (lios->c_iflag & LINUX_PARMRK)
522 bios->c_iflag |= PARMRK;
523 if (lios->c_iflag & LINUX_INPCK)
524 bios->c_iflag |= INPCK;
525 if (lios->c_iflag & LINUX_ISTRIP)
526 bios->c_iflag |= ISTRIP;
527 if (lios->c_iflag & LINUX_INLCR)
528 bios->c_iflag |= INLCR;
529 if (lios->c_iflag & LINUX_IGNCR)
530 bios->c_iflag |= IGNCR;
531 if (lios->c_iflag & LINUX_ICRNL)
532 bios->c_iflag |= ICRNL;
533 if (lios->c_iflag & LINUX_IXON)
534 bios->c_iflag |= IXON;
535 if (lios->c_iflag & LINUX_IXANY)
536 bios->c_iflag |= IXANY;
537 if (lios->c_iflag & LINUX_IXOFF)
538 bios->c_iflag |= IXOFF;
539 if (lios->c_iflag & LINUX_IMAXBEL)
540 bios->c_iflag |= IMAXBEL;
541
542 bios->c_oflag = 0;
543 if (lios->c_oflag & LINUX_OPOST)
544 bios->c_oflag |= OPOST;
545 if (lios->c_oflag & LINUX_ONLCR)
546 bios->c_oflag |= ONLCR;
547 if (lios->c_oflag & LINUX_XTABS)
548 bios->c_oflag |= TAB3;
549
550 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
551 if (lios->c_cflag & LINUX_CSTOPB)
552 bios->c_cflag |= CSTOPB;
553 if (lios->c_cflag & LINUX_CREAD)
554 bios->c_cflag |= CREAD;
555 if (lios->c_cflag & LINUX_PARENB)
556 bios->c_cflag |= PARENB;
557 if (lios->c_cflag & LINUX_PARODD)
558 bios->c_cflag |= PARODD;
559 if (lios->c_cflag & LINUX_HUPCL)
560 bios->c_cflag |= HUPCL;
561 if (lios->c_cflag & LINUX_CLOCAL)
562 bios->c_cflag |= CLOCAL;
563 if (lios->c_cflag & LINUX_CRTSCTS)
564 bios->c_cflag |= CRTSCTS;
565
566 bios->c_lflag = 0;
567 if (lios->c_lflag & LINUX_ISIG)
568 bios->c_lflag |= ISIG;
569 if (lios->c_lflag & LINUX_ICANON)
570 bios->c_lflag |= ICANON;
571 if (lios->c_lflag & LINUX_ECHO)
572 bios->c_lflag |= ECHO;
573 if (lios->c_lflag & LINUX_ECHOE)
574 bios->c_lflag |= ECHOE;
575 if (lios->c_lflag & LINUX_ECHOK)
576 bios->c_lflag |= ECHOK;
577 if (lios->c_lflag & LINUX_ECHONL)
578 bios->c_lflag |= ECHONL;
579 if (lios->c_lflag & LINUX_NOFLSH)
580 bios->c_lflag |= NOFLSH;
581 if (lios->c_lflag & LINUX_TOSTOP)
582 bios->c_lflag |= TOSTOP;
583 if (lios->c_lflag & LINUX_ECHOCTL)
584 bios->c_lflag |= ECHOCTL;
585 if (lios->c_lflag & LINUX_ECHOPRT)
586 bios->c_lflag |= ECHOPRT;
587 if (lios->c_lflag & LINUX_ECHOKE)
588 bios->c_lflag |= ECHOKE;
589 if (lios->c_lflag & LINUX_FLUSHO)
590 bios->c_lflag |= FLUSHO;
591 if (lios->c_lflag & LINUX_PENDIN)
592 bios->c_lflag |= PENDIN;
593 if (lios->c_lflag & LINUX_IEXTEN)
594 bios->c_lflag |= IEXTEN;
595
596 for (i=0; i<NCCS; i++)
597 bios->c_cc[i] = _POSIX_VDISABLE;
598 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
599 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
600 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
601 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
602 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
603 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
604 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
605 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
606 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
607 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
608 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
609 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
610 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
611 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
612 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
613 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
614 if (linux_preserve_vstatus)
615 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS];
616
617 for (i=0; i<NCCS; i++) {
618 if (i != VMIN && i != VTIME &&
619 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
620 bios->c_cc[i] = _POSIX_VDISABLE;
621 }
622
623 bios->c_ispeed = bios->c_ospeed =
624 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
625 }
626
627 static void
bsd_to_linux_termio(struct termios * bios,struct linux_termio * lio)628 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
629 {
630 struct linux_termios lios;
631
632 memset(lio, 0, sizeof(*lio));
633 bsd_to_linux_termios(bios, &lios);
634 lio->c_iflag = lios.c_iflag;
635 lio->c_oflag = lios.c_oflag;
636 lio->c_cflag = lios.c_cflag;
637 lio->c_lflag = lios.c_lflag;
638 lio->c_line = lios.c_line;
639 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
640 }
641
642 static void
linux_to_bsd_termio(struct linux_termio * lio,struct termios * bios)643 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
644 {
645 struct linux_termios lios;
646 int i;
647
648 lios.c_iflag = lio->c_iflag;
649 lios.c_oflag = lio->c_oflag;
650 lios.c_cflag = lio->c_cflag;
651 lios.c_lflag = lio->c_lflag;
652 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
653 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
654 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
655 linux_to_bsd_termios(&lios, bios);
656 }
657
658 static int
linux_ioctl_termio(struct thread * td,struct linux_ioctl_args * args)659 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
660 {
661 struct termios bios;
662 struct linux_termios lios;
663 struct linux_termio lio;
664 struct file *fp;
665 int error;
666
667 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
668 if (error != 0)
669 return (error);
670
671 switch (args->cmd & 0xffff) {
672 case LINUX_TCGETS:
673 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
674 td);
675 if (error)
676 break;
677 bsd_to_linux_termios(&bios, &lios);
678 error = copyout(&lios, (void *)args->arg, sizeof(lios));
679 break;
680
681 case LINUX_TCSETS:
682 error = copyin((void *)args->arg, &lios, sizeof(lios));
683 if (error)
684 break;
685 linux_to_bsd_termios(&lios, &bios);
686 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
687 td));
688 break;
689
690 case LINUX_TCSETSW:
691 error = copyin((void *)args->arg, &lios, sizeof(lios));
692 if (error)
693 break;
694 linux_to_bsd_termios(&lios, &bios);
695 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
696 td));
697 break;
698
699 case LINUX_TCSETSF:
700 error = copyin((void *)args->arg, &lios, sizeof(lios));
701 if (error)
702 break;
703 linux_to_bsd_termios(&lios, &bios);
704 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
705 td));
706 break;
707
708 case LINUX_TCGETA:
709 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
710 td);
711 if (error)
712 break;
713 bsd_to_linux_termio(&bios, &lio);
714 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
715 break;
716
717 case LINUX_TCSETA:
718 error = copyin((void *)args->arg, &lio, sizeof(lio));
719 if (error)
720 break;
721 linux_to_bsd_termio(&lio, &bios);
722 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
723 td));
724 break;
725
726 case LINUX_TCSETAW:
727 error = copyin((void *)args->arg, &lio, sizeof(lio));
728 if (error)
729 break;
730 linux_to_bsd_termio(&lio, &bios);
731 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
732 td));
733 break;
734
735 case LINUX_TCSETAF:
736 error = copyin((void *)args->arg, &lio, sizeof(lio));
737 if (error)
738 break;
739 linux_to_bsd_termio(&lio, &bios);
740 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
741 td));
742 break;
743
744 case LINUX_TCSBRK:
745 if (args->arg != 0) {
746 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred,
747 td));
748 } else {
749 linux_msg(td, "ioctl TCSBRK arg 0 not implemented");
750 error = ENOIOCTL;
751 }
752 break;
753
754 case LINUX_TCXONC: {
755 switch (args->arg) {
756 case LINUX_TCOOFF:
757 args->cmd = TIOCSTOP;
758 break;
759 case LINUX_TCOON:
760 args->cmd = TIOCSTART;
761 break;
762 case LINUX_TCIOFF:
763 case LINUX_TCION: {
764 int c;
765 struct write_args wr;
766 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
767 td->td_ucred, td);
768 if (error)
769 break;
770 fdrop(fp, td);
771 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
772 c = bios.c_cc[c];
773 if (c != _POSIX_VDISABLE) {
774 wr.fd = args->fd;
775 wr.buf = &c;
776 wr.nbyte = sizeof(c);
777 return (sys_write(td, &wr));
778 } else
779 return (0);
780 }
781 default:
782 fdrop(fp, td);
783 return (EINVAL);
784 }
785 args->arg = 0;
786 error = (sys_ioctl(td, (struct ioctl_args *)args));
787 break;
788 }
789
790 case LINUX_TCFLSH: {
791 int val;
792 switch (args->arg) {
793 case LINUX_TCIFLUSH:
794 val = FREAD;
795 break;
796 case LINUX_TCOFLUSH:
797 val = FWRITE;
798 break;
799 case LINUX_TCIOFLUSH:
800 val = FREAD | FWRITE;
801 break;
802 default:
803 fdrop(fp, td);
804 return (EINVAL);
805 }
806 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
807 break;
808 }
809
810 case LINUX_TIOCEXCL:
811 args->cmd = TIOCEXCL;
812 error = (sys_ioctl(td, (struct ioctl_args *)args));
813 break;
814
815 case LINUX_TIOCNXCL:
816 args->cmd = TIOCNXCL;
817 error = (sys_ioctl(td, (struct ioctl_args *)args));
818 break;
819
820 case LINUX_TIOCSCTTY:
821 args->cmd = TIOCSCTTY;
822 error = (sys_ioctl(td, (struct ioctl_args *)args));
823 break;
824
825 case LINUX_TIOCGPGRP:
826 args->cmd = TIOCGPGRP;
827 error = (sys_ioctl(td, (struct ioctl_args *)args));
828 break;
829
830 case LINUX_TIOCSPGRP:
831 args->cmd = TIOCSPGRP;
832 error = (sys_ioctl(td, (struct ioctl_args *)args));
833 break;
834
835 /* LINUX_TIOCOUTQ */
836 /* LINUX_TIOCSTI */
837
838 case LINUX_TIOCGWINSZ:
839 args->cmd = TIOCGWINSZ;
840 error = (sys_ioctl(td, (struct ioctl_args *)args));
841 break;
842
843 case LINUX_TIOCSWINSZ:
844 args->cmd = TIOCSWINSZ;
845 error = (sys_ioctl(td, (struct ioctl_args *)args));
846 break;
847
848 case LINUX_TIOCMGET:
849 args->cmd = TIOCMGET;
850 error = (sys_ioctl(td, (struct ioctl_args *)args));
851 break;
852
853 case LINUX_TIOCMBIS:
854 args->cmd = TIOCMBIS;
855 error = (sys_ioctl(td, (struct ioctl_args *)args));
856 break;
857
858 case LINUX_TIOCMBIC:
859 args->cmd = TIOCMBIC;
860 error = (sys_ioctl(td, (struct ioctl_args *)args));
861 break;
862
863 case LINUX_TIOCMSET:
864 args->cmd = TIOCMSET;
865 error = (sys_ioctl(td, (struct ioctl_args *)args));
866 break;
867
868 /* TIOCGSOFTCAR */
869 /* TIOCSSOFTCAR */
870
871 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
872 args->cmd = FIONREAD;
873 error = (sys_ioctl(td, (struct ioctl_args *)args));
874 break;
875
876 /* LINUX_TIOCLINUX */
877
878 case LINUX_TIOCCONS:
879 args->cmd = TIOCCONS;
880 error = (sys_ioctl(td, (struct ioctl_args *)args));
881 break;
882
883 case LINUX_TIOCGSERIAL: {
884 struct linux_serial_struct lss;
885
886 bzero(&lss, sizeof(lss));
887 lss.type = LINUX_PORT_16550A;
888 lss.flags = 0;
889 lss.close_delay = 0;
890 error = copyout(&lss, (void *)args->arg, sizeof(lss));
891 break;
892 }
893
894 case LINUX_TIOCSSERIAL: {
895 struct linux_serial_struct lss;
896 error = copyin((void *)args->arg, &lss, sizeof(lss));
897 if (error)
898 break;
899 /* XXX - It really helps to have an implementation that
900 * does nothing. NOT!
901 */
902 error = 0;
903 break;
904 }
905
906 case LINUX_TIOCPKT:
907 args->cmd = TIOCPKT;
908 error = (sys_ioctl(td, (struct ioctl_args *)args));
909 break;
910
911 case LINUX_FIONBIO:
912 args->cmd = FIONBIO;
913 error = (sys_ioctl(td, (struct ioctl_args *)args));
914 break;
915
916 case LINUX_TIOCNOTTY:
917 args->cmd = TIOCNOTTY;
918 error = (sys_ioctl(td, (struct ioctl_args *)args));
919 break;
920
921 case LINUX_TIOCSETD: {
922 int line;
923 switch (args->arg) {
924 case LINUX_N_TTY:
925 line = TTYDISC;
926 break;
927 case LINUX_N_SLIP:
928 line = SLIPDISC;
929 break;
930 case LINUX_N_PPP:
931 line = PPPDISC;
932 break;
933 default:
934 fdrop(fp, td);
935 return (EINVAL);
936 }
937 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
938 td));
939 break;
940 }
941
942 case LINUX_TIOCGETD: {
943 int linux_line;
944 int bsd_line = TTYDISC;
945 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
946 td->td_ucred, td);
947 if (error)
948 break;
949 switch (bsd_line) {
950 case TTYDISC:
951 linux_line = LINUX_N_TTY;
952 break;
953 case SLIPDISC:
954 linux_line = LINUX_N_SLIP;
955 break;
956 case PPPDISC:
957 linux_line = LINUX_N_PPP;
958 break;
959 default:
960 fdrop(fp, td);
961 return (EINVAL);
962 }
963 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
964 break;
965 }
966
967 /* LINUX_TCSBRKP */
968 /* LINUX_TIOCTTYGSTRUCT */
969
970 case LINUX_FIONCLEX:
971 args->cmd = FIONCLEX;
972 error = (sys_ioctl(td, (struct ioctl_args *)args));
973 break;
974
975 case LINUX_FIOCLEX:
976 args->cmd = FIOCLEX;
977 error = (sys_ioctl(td, (struct ioctl_args *)args));
978 break;
979
980 case LINUX_FIOASYNC:
981 args->cmd = FIOASYNC;
982 error = (sys_ioctl(td, (struct ioctl_args *)args));
983 break;
984
985 /* LINUX_TIOCSERCONFIG */
986 /* LINUX_TIOCSERGWILD */
987 /* LINUX_TIOCSERSWILD */
988 /* LINUX_TIOCGLCKTRMIOS */
989 /* LINUX_TIOCSLCKTRMIOS */
990
991 case LINUX_TIOCSBRK:
992 args->cmd = TIOCSBRK;
993 error = (sys_ioctl(td, (struct ioctl_args *)args));
994 break;
995
996 case LINUX_TIOCCBRK:
997 args->cmd = TIOCCBRK;
998 error = (sys_ioctl(td, (struct ioctl_args *)args));
999 break;
1000 case LINUX_TIOCGPTN: {
1001 int nb;
1002
1003 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1004 if (!error)
1005 error = copyout(&nb, (void *)args->arg,
1006 sizeof(int));
1007 break;
1008 }
1009 case LINUX_TIOCGPTPEER:
1010 linux_msg(td, "unsupported ioctl TIOCGPTPEER");
1011 error = ENOIOCTL;
1012 break;
1013 case LINUX_TIOCSPTLCK:
1014 /*
1015 * Our unlockpt() does nothing. Check that fd refers
1016 * to a pseudo-terminal master device.
1017 */
1018 args->cmd = TIOCPTMASTER;
1019 error = (sys_ioctl(td, (struct ioctl_args *)args));
1020 break;
1021 default:
1022 error = ENOIOCTL;
1023 break;
1024 }
1025
1026 fdrop(fp, td);
1027 return (error);
1028 }
1029
1030 /*
1031 * CDROM related ioctls
1032 */
1033
1034 struct linux_cdrom_msf
1035 {
1036 u_char cdmsf_min0;
1037 u_char cdmsf_sec0;
1038 u_char cdmsf_frame0;
1039 u_char cdmsf_min1;
1040 u_char cdmsf_sec1;
1041 u_char cdmsf_frame1;
1042 };
1043
1044 struct linux_cdrom_tochdr
1045 {
1046 u_char cdth_trk0;
1047 u_char cdth_trk1;
1048 };
1049
1050 union linux_cdrom_addr
1051 {
1052 struct {
1053 u_char minute;
1054 u_char second;
1055 u_char frame;
1056 } msf;
1057 int lba;
1058 };
1059
1060 struct linux_cdrom_tocentry
1061 {
1062 u_char cdte_track;
1063 u_char cdte_adr:4;
1064 u_char cdte_ctrl:4;
1065 u_char cdte_format;
1066 union linux_cdrom_addr cdte_addr;
1067 u_char cdte_datamode;
1068 };
1069
1070 struct linux_cdrom_subchnl
1071 {
1072 u_char cdsc_format;
1073 u_char cdsc_audiostatus;
1074 u_char cdsc_adr:4;
1075 u_char cdsc_ctrl:4;
1076 u_char cdsc_trk;
1077 u_char cdsc_ind;
1078 union linux_cdrom_addr cdsc_absaddr;
1079 union linux_cdrom_addr cdsc_reladdr;
1080 };
1081
1082 struct l_cdrom_read_audio {
1083 union linux_cdrom_addr addr;
1084 u_char addr_format;
1085 l_int nframes;
1086 u_char *buf;
1087 };
1088
1089 struct l_dvd_layer {
1090 u_char book_version:4;
1091 u_char book_type:4;
1092 u_char min_rate:4;
1093 u_char disc_size:4;
1094 u_char layer_type:4;
1095 u_char track_path:1;
1096 u_char nlayers:2;
1097 u_char track_density:4;
1098 u_char linear_density:4;
1099 u_char bca:1;
1100 uint32_t start_sector;
1101 uint32_t end_sector;
1102 uint32_t end_sector_l0;
1103 };
1104
1105 struct l_dvd_physical {
1106 u_char type;
1107 u_char layer_num;
1108 struct l_dvd_layer layer[4];
1109 };
1110
1111 struct l_dvd_copyright {
1112 u_char type;
1113 u_char layer_num;
1114 u_char cpst;
1115 u_char rmi;
1116 };
1117
1118 struct l_dvd_disckey {
1119 u_char type;
1120 l_uint agid:2;
1121 u_char value[2048];
1122 };
1123
1124 struct l_dvd_bca {
1125 u_char type;
1126 l_int len;
1127 u_char value[188];
1128 };
1129
1130 struct l_dvd_manufact {
1131 u_char type;
1132 u_char layer_num;
1133 l_int len;
1134 u_char value[2048];
1135 };
1136
1137 typedef union {
1138 u_char type;
1139 struct l_dvd_physical physical;
1140 struct l_dvd_copyright copyright;
1141 struct l_dvd_disckey disckey;
1142 struct l_dvd_bca bca;
1143 struct l_dvd_manufact manufact;
1144 } l_dvd_struct;
1145
1146 typedef u_char l_dvd_key[5];
1147 typedef u_char l_dvd_challenge[10];
1148
1149 struct l_dvd_lu_send_agid {
1150 u_char type;
1151 l_uint agid:2;
1152 };
1153
1154 struct l_dvd_host_send_challenge {
1155 u_char type;
1156 l_uint agid:2;
1157 l_dvd_challenge chal;
1158 };
1159
1160 struct l_dvd_send_key {
1161 u_char type;
1162 l_uint agid:2;
1163 l_dvd_key key;
1164 };
1165
1166 struct l_dvd_lu_send_challenge {
1167 u_char type;
1168 l_uint agid:2;
1169 l_dvd_challenge chal;
1170 };
1171
1172 struct l_dvd_lu_send_title_key {
1173 u_char type;
1174 l_uint agid:2;
1175 l_dvd_key title_key;
1176 l_int lba;
1177 l_uint cpm:1;
1178 l_uint cp_sec:1;
1179 l_uint cgms:2;
1180 };
1181
1182 struct l_dvd_lu_send_asf {
1183 u_char type;
1184 l_uint agid:2;
1185 l_uint asf:1;
1186 };
1187
1188 struct l_dvd_host_send_rpcstate {
1189 u_char type;
1190 u_char pdrc;
1191 };
1192
1193 struct l_dvd_lu_send_rpcstate {
1194 u_char type:2;
1195 u_char vra:3;
1196 u_char ucca:3;
1197 u_char region_mask;
1198 u_char rpc_scheme;
1199 };
1200
1201 typedef union {
1202 u_char type;
1203 struct l_dvd_lu_send_agid lsa;
1204 struct l_dvd_host_send_challenge hsc;
1205 struct l_dvd_send_key lsk;
1206 struct l_dvd_lu_send_challenge lsc;
1207 struct l_dvd_send_key hsk;
1208 struct l_dvd_lu_send_title_key lstk;
1209 struct l_dvd_lu_send_asf lsasf;
1210 struct l_dvd_host_send_rpcstate hrpcs;
1211 struct l_dvd_lu_send_rpcstate lrpcs;
1212 } l_dvd_authinfo;
1213
1214 static void
bsd_to_linux_msf_lba(u_char af,union msf_lba * bp,union linux_cdrom_addr * lp)1215 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1216 {
1217 if (af == CD_LBA_FORMAT)
1218 lp->lba = bp->lba;
1219 else {
1220 lp->msf.minute = bp->msf.minute;
1221 lp->msf.second = bp->msf.second;
1222 lp->msf.frame = bp->msf.frame;
1223 }
1224 }
1225
1226 static void
set_linux_cdrom_addr(union linux_cdrom_addr * addr,int format,int lba)1227 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1228 {
1229 if (format == LINUX_CDROM_MSF) {
1230 addr->msf.frame = lba % 75;
1231 lba /= 75;
1232 lba += 2;
1233 addr->msf.second = lba % 60;
1234 addr->msf.minute = lba / 60;
1235 } else
1236 addr->lba = lba;
1237 }
1238
1239 static int
linux_to_bsd_dvd_struct(l_dvd_struct * lp,struct dvd_struct * bp)1240 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1241 {
1242 bp->format = lp->type;
1243 switch (bp->format) {
1244 case DVD_STRUCT_PHYSICAL:
1245 if (bp->layer_num >= 4)
1246 return (EINVAL);
1247 bp->layer_num = lp->physical.layer_num;
1248 break;
1249 case DVD_STRUCT_COPYRIGHT:
1250 bp->layer_num = lp->copyright.layer_num;
1251 break;
1252 case DVD_STRUCT_DISCKEY:
1253 bp->agid = lp->disckey.agid;
1254 break;
1255 case DVD_STRUCT_BCA:
1256 case DVD_STRUCT_MANUFACT:
1257 break;
1258 default:
1259 return (EINVAL);
1260 }
1261 return (0);
1262 }
1263
1264 static int
bsd_to_linux_dvd_struct(struct dvd_struct * bp,l_dvd_struct * lp)1265 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1266 {
1267 switch (bp->format) {
1268 case DVD_STRUCT_PHYSICAL: {
1269 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1270 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1271 memset(llp, 0, sizeof(*llp));
1272 llp->book_version = blp->book_version;
1273 llp->book_type = blp->book_type;
1274 llp->min_rate = blp->max_rate;
1275 llp->disc_size = blp->disc_size;
1276 llp->layer_type = blp->layer_type;
1277 llp->track_path = blp->track_path;
1278 llp->nlayers = blp->nlayers;
1279 llp->track_density = blp->track_density;
1280 llp->linear_density = blp->linear_density;
1281 llp->bca = blp->bca;
1282 llp->start_sector = blp->start_sector;
1283 llp->end_sector = blp->end_sector;
1284 llp->end_sector_l0 = blp->end_sector_l0;
1285 break;
1286 }
1287 case DVD_STRUCT_COPYRIGHT:
1288 lp->copyright.cpst = bp->cpst;
1289 lp->copyright.rmi = bp->rmi;
1290 break;
1291 case DVD_STRUCT_DISCKEY:
1292 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1293 break;
1294 case DVD_STRUCT_BCA:
1295 lp->bca.len = bp->length;
1296 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1297 break;
1298 case DVD_STRUCT_MANUFACT:
1299 lp->manufact.len = bp->length;
1300 memcpy(lp->manufact.value, bp->data,
1301 sizeof(lp->manufact.value));
1302 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */
1303 break;
1304 default:
1305 return (EINVAL);
1306 }
1307 return (0);
1308 }
1309
1310 static int
linux_to_bsd_dvd_authinfo(l_dvd_authinfo * lp,int * bcode,struct dvd_authinfo * bp)1311 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1312 struct dvd_authinfo *bp)
1313 {
1314 switch (lp->type) {
1315 case LINUX_DVD_LU_SEND_AGID:
1316 *bcode = DVDIOCREPORTKEY;
1317 bp->format = DVD_REPORT_AGID;
1318 bp->agid = lp->lsa.agid;
1319 break;
1320 case LINUX_DVD_HOST_SEND_CHALLENGE:
1321 *bcode = DVDIOCSENDKEY;
1322 bp->format = DVD_SEND_CHALLENGE;
1323 bp->agid = lp->hsc.agid;
1324 memcpy(bp->keychal, lp->hsc.chal, 10);
1325 break;
1326 case LINUX_DVD_LU_SEND_KEY1:
1327 *bcode = DVDIOCREPORTKEY;
1328 bp->format = DVD_REPORT_KEY1;
1329 bp->agid = lp->lsk.agid;
1330 break;
1331 case LINUX_DVD_LU_SEND_CHALLENGE:
1332 *bcode = DVDIOCREPORTKEY;
1333 bp->format = DVD_REPORT_CHALLENGE;
1334 bp->agid = lp->lsc.agid;
1335 break;
1336 case LINUX_DVD_HOST_SEND_KEY2:
1337 *bcode = DVDIOCSENDKEY;
1338 bp->format = DVD_SEND_KEY2;
1339 bp->agid = lp->hsk.agid;
1340 memcpy(bp->keychal, lp->hsk.key, 5);
1341 break;
1342 case LINUX_DVD_LU_SEND_TITLE_KEY:
1343 *bcode = DVDIOCREPORTKEY;
1344 bp->format = DVD_REPORT_TITLE_KEY;
1345 bp->agid = lp->lstk.agid;
1346 bp->lba = lp->lstk.lba;
1347 break;
1348 case LINUX_DVD_LU_SEND_ASF:
1349 *bcode = DVDIOCREPORTKEY;
1350 bp->format = DVD_REPORT_ASF;
1351 bp->agid = lp->lsasf.agid;
1352 break;
1353 case LINUX_DVD_INVALIDATE_AGID:
1354 *bcode = DVDIOCREPORTKEY;
1355 bp->format = DVD_INVALIDATE_AGID;
1356 bp->agid = lp->lsa.agid;
1357 break;
1358 case LINUX_DVD_LU_SEND_RPC_STATE:
1359 *bcode = DVDIOCREPORTKEY;
1360 bp->format = DVD_REPORT_RPC;
1361 break;
1362 case LINUX_DVD_HOST_SEND_RPC_STATE:
1363 *bcode = DVDIOCSENDKEY;
1364 bp->format = DVD_SEND_RPC;
1365 bp->region = lp->hrpcs.pdrc;
1366 break;
1367 default:
1368 return (EINVAL);
1369 }
1370 return (0);
1371 }
1372
1373 static int
bsd_to_linux_dvd_authinfo(struct dvd_authinfo * bp,l_dvd_authinfo * lp)1374 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1375 {
1376 switch (lp->type) {
1377 case LINUX_DVD_LU_SEND_AGID:
1378 lp->lsa.agid = bp->agid;
1379 break;
1380 case LINUX_DVD_HOST_SEND_CHALLENGE:
1381 lp->type = LINUX_DVD_LU_SEND_KEY1;
1382 break;
1383 case LINUX_DVD_LU_SEND_KEY1:
1384 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1385 break;
1386 case LINUX_DVD_LU_SEND_CHALLENGE:
1387 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1388 break;
1389 case LINUX_DVD_HOST_SEND_KEY2:
1390 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1391 break;
1392 case LINUX_DVD_LU_SEND_TITLE_KEY:
1393 memcpy(lp->lstk.title_key, bp->keychal,
1394 sizeof(lp->lstk.title_key));
1395 lp->lstk.cpm = bp->cpm;
1396 lp->lstk.cp_sec = bp->cp_sec;
1397 lp->lstk.cgms = bp->cgms;
1398 break;
1399 case LINUX_DVD_LU_SEND_ASF:
1400 lp->lsasf.asf = bp->asf;
1401 break;
1402 case LINUX_DVD_INVALIDATE_AGID:
1403 break;
1404 case LINUX_DVD_LU_SEND_RPC_STATE:
1405 lp->lrpcs.type = bp->reg_type;
1406 lp->lrpcs.vra = bp->vend_rsts;
1407 lp->lrpcs.ucca = bp->user_rsts;
1408 lp->lrpcs.region_mask = bp->region;
1409 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1410 break;
1411 case LINUX_DVD_HOST_SEND_RPC_STATE:
1412 break;
1413 default:
1414 return (EINVAL);
1415 }
1416 return (0);
1417 }
1418
1419 static int
linux_ioctl_cdrom(struct thread * td,struct linux_ioctl_args * args)1420 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1421 {
1422 struct file *fp;
1423 int error;
1424
1425 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1426 if (error != 0)
1427 return (error);
1428 switch (args->cmd & 0xffff) {
1429 case LINUX_CDROMPAUSE:
1430 args->cmd = CDIOCPAUSE;
1431 error = (sys_ioctl(td, (struct ioctl_args *)args));
1432 break;
1433
1434 case LINUX_CDROMRESUME:
1435 args->cmd = CDIOCRESUME;
1436 error = (sys_ioctl(td, (struct ioctl_args *)args));
1437 break;
1438
1439 case LINUX_CDROMPLAYMSF:
1440 args->cmd = CDIOCPLAYMSF;
1441 error = (sys_ioctl(td, (struct ioctl_args *)args));
1442 break;
1443
1444 case LINUX_CDROMPLAYTRKIND:
1445 args->cmd = CDIOCPLAYTRACKS;
1446 error = (sys_ioctl(td, (struct ioctl_args *)args));
1447 break;
1448
1449 case LINUX_CDROMREADTOCHDR: {
1450 struct ioc_toc_header th;
1451 struct linux_cdrom_tochdr lth;
1452 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1453 td->td_ucred, td);
1454 if (!error) {
1455 lth.cdth_trk0 = th.starting_track;
1456 lth.cdth_trk1 = th.ending_track;
1457 error = copyout(<h, (void *)args->arg, sizeof(lth));
1458 }
1459 break;
1460 }
1461
1462 case LINUX_CDROMREADTOCENTRY: {
1463 struct linux_cdrom_tocentry lte;
1464 struct ioc_read_toc_single_entry irtse;
1465
1466 error = copyin((void *)args->arg, <e, sizeof(lte));
1467 if (error)
1468 break;
1469 irtse.address_format = lte.cdte_format;
1470 irtse.track = lte.cdte_track;
1471 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1472 td->td_ucred, td);
1473 if (!error) {
1474 lte.cdte_ctrl = irtse.entry.control;
1475 lte.cdte_adr = irtse.entry.addr_type;
1476 bsd_to_linux_msf_lba(irtse.address_format,
1477 &irtse.entry.addr, <e.cdte_addr);
1478 error = copyout(<e, (void *)args->arg, sizeof(lte));
1479 }
1480 break;
1481 }
1482
1483 case LINUX_CDROMSTOP:
1484 args->cmd = CDIOCSTOP;
1485 error = (sys_ioctl(td, (struct ioctl_args *)args));
1486 break;
1487
1488 case LINUX_CDROMSTART:
1489 args->cmd = CDIOCSTART;
1490 error = (sys_ioctl(td, (struct ioctl_args *)args));
1491 break;
1492
1493 case LINUX_CDROMEJECT:
1494 args->cmd = CDIOCEJECT;
1495 error = (sys_ioctl(td, (struct ioctl_args *)args));
1496 break;
1497
1498 /* LINUX_CDROMVOLCTRL */
1499
1500 case LINUX_CDROMSUBCHNL: {
1501 struct linux_cdrom_subchnl sc;
1502 struct ioc_read_subchannel bsdsc;
1503 struct cd_sub_channel_info bsdinfo;
1504
1505 error = copyin((void *)args->arg, &sc, sizeof(sc));
1506 if (error)
1507 break;
1508
1509 /*
1510 * Invoke the native ioctl and bounce the returned data through
1511 * the userspace buffer. This works because the Linux structure
1512 * is the same size as our structures for the subchannel header
1513 * and position data.
1514 */
1515 bsdsc.address_format = CD_LBA_FORMAT;
1516 bsdsc.data_format = CD_CURRENT_POSITION;
1517 bsdsc.track = 0;
1518 bsdsc.data_len = sizeof(sc);
1519 bsdsc.data = (void *)args->arg;
1520 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc,
1521 td->td_ucred, td);
1522 if (error)
1523 break;
1524 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo));
1525 if (error)
1526 break;
1527 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1528 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1529 sc.cdsc_ctrl = bsdinfo.what.position.control;
1530 sc.cdsc_trk = bsdinfo.what.position.track_number;
1531 sc.cdsc_ind = bsdinfo.what.position.index_number;
1532 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1533 bsdinfo.what.position.absaddr.lba);
1534 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1535 bsdinfo.what.position.reladdr.lba);
1536 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1537 break;
1538 }
1539
1540 /* LINUX_CDROMREADMODE2 */
1541 /* LINUX_CDROMREADMODE1 */
1542 /* LINUX_CDROMREADAUDIO */
1543 /* LINUX_CDROMEJECT_SW */
1544 /* LINUX_CDROMMULTISESSION */
1545 /* LINUX_CDROM_GET_UPC */
1546
1547 case LINUX_CDROMRESET:
1548 args->cmd = CDIOCRESET;
1549 error = (sys_ioctl(td, (struct ioctl_args *)args));
1550 break;
1551
1552 /* LINUX_CDROMVOLREAD */
1553 /* LINUX_CDROMREADRAW */
1554 /* LINUX_CDROMREADCOOKED */
1555 /* LINUX_CDROMSEEK */
1556 /* LINUX_CDROMPLAYBLK */
1557 /* LINUX_CDROMREADALL */
1558 /* LINUX_CDROMCLOSETRAY */
1559 /* LINUX_CDROMLOADFROMSLOT */
1560 /* LINUX_CDROMGETSPINDOWN */
1561 /* LINUX_CDROMSETSPINDOWN */
1562 /* LINUX_CDROM_SET_OPTIONS */
1563 /* LINUX_CDROM_CLEAR_OPTIONS */
1564 /* LINUX_CDROM_SELECT_SPEED */
1565 /* LINUX_CDROM_SELECT_DISC */
1566 /* LINUX_CDROM_MEDIA_CHANGED */
1567 /* LINUX_CDROM_DRIVE_STATUS */
1568 /* LINUX_CDROM_DISC_STATUS */
1569 /* LINUX_CDROM_CHANGER_NSLOTS */
1570 /* LINUX_CDROM_LOCKDOOR */
1571 /* LINUX_CDROM_DEBUG */
1572 /* LINUX_CDROM_GET_CAPABILITY */
1573 /* LINUX_CDROMAUDIOBUFSIZ */
1574
1575 case LINUX_DVD_READ_STRUCT: {
1576 l_dvd_struct *lds;
1577 struct dvd_struct *bds;
1578
1579 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1580 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1581 error = copyin((void *)args->arg, lds, sizeof(*lds));
1582 if (error)
1583 goto out;
1584 error = linux_to_bsd_dvd_struct(lds, bds);
1585 if (error)
1586 goto out;
1587 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1588 td->td_ucred, td);
1589 if (error)
1590 goto out;
1591 error = bsd_to_linux_dvd_struct(bds, lds);
1592 if (error)
1593 goto out;
1594 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1595 out:
1596 free(bds, M_LINUX);
1597 free(lds, M_LINUX);
1598 break;
1599 }
1600
1601 /* LINUX_DVD_WRITE_STRUCT */
1602
1603 case LINUX_DVD_AUTH: {
1604 l_dvd_authinfo lda;
1605 struct dvd_authinfo bda;
1606 int bcode;
1607
1608 error = copyin((void *)args->arg, &lda, sizeof(lda));
1609 if (error)
1610 break;
1611 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1612 if (error)
1613 break;
1614 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1615 td);
1616 if (error) {
1617 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1618 lda.type = LINUX_DVD_AUTH_FAILURE;
1619 (void)copyout(&lda, (void *)args->arg,
1620 sizeof(lda));
1621 }
1622 break;
1623 }
1624 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1625 if (error)
1626 break;
1627 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1628 break;
1629 }
1630
1631 case LINUX_SCSI_GET_BUS_NUMBER:
1632 {
1633 struct sg_scsi_id id;
1634
1635 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1636 td->td_ucred, td);
1637 if (error)
1638 break;
1639 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1640 break;
1641 }
1642
1643 case LINUX_SCSI_GET_IDLUN:
1644 {
1645 struct sg_scsi_id id;
1646 struct scsi_idlun idl;
1647
1648 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1649 td->td_ucred, td);
1650 if (error)
1651 break;
1652 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1653 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1654 idl.host_unique_id = id.host_no;
1655 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1656 break;
1657 }
1658
1659 /* LINUX_CDROM_SEND_PACKET */
1660 /* LINUX_CDROM_NEXT_WRITABLE */
1661 /* LINUX_CDROM_LAST_WRITTEN */
1662
1663 default:
1664 error = ENOIOCTL;
1665 break;
1666 }
1667
1668 fdrop(fp, td);
1669 return (error);
1670 }
1671
1672 static int
linux_ioctl_vfat(struct thread * td,struct linux_ioctl_args * args)1673 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1674 {
1675
1676 return (ENOTTY);
1677 }
1678
1679 /*
1680 * Sound related ioctls
1681 */
1682
1683 struct linux_old_mixer_info {
1684 char id[16];
1685 char name[32];
1686 };
1687
1688 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1689
1690 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1691
1692 static int
linux_ioctl_sound(struct thread * td,struct linux_ioctl_args * args)1693 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1694 {
1695
1696 switch (args->cmd & 0xffff) {
1697 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1698 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1699 return (sys_ioctl(td, (struct ioctl_args *)args));
1700
1701 case LINUX_SOUND_MIXER_WRITE_BASS:
1702 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1703 return (sys_ioctl(td, (struct ioctl_args *)args));
1704
1705 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1706 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1707 return (sys_ioctl(td, (struct ioctl_args *)args));
1708
1709 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1710 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1711 return (sys_ioctl(td, (struct ioctl_args *)args));
1712
1713 case LINUX_SOUND_MIXER_WRITE_PCM:
1714 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1715 return (sys_ioctl(td, (struct ioctl_args *)args));
1716
1717 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1718 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1719 return (sys_ioctl(td, (struct ioctl_args *)args));
1720
1721 case LINUX_SOUND_MIXER_WRITE_LINE:
1722 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1723 return (sys_ioctl(td, (struct ioctl_args *)args));
1724
1725 case LINUX_SOUND_MIXER_WRITE_MIC:
1726 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1727 return (sys_ioctl(td, (struct ioctl_args *)args));
1728
1729 case LINUX_SOUND_MIXER_WRITE_CD:
1730 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1731 return (sys_ioctl(td, (struct ioctl_args *)args));
1732
1733 case LINUX_SOUND_MIXER_WRITE_IMIX:
1734 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1735 return (sys_ioctl(td, (struct ioctl_args *)args));
1736
1737 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1738 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1739 return (sys_ioctl(td, (struct ioctl_args *)args));
1740
1741 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1742 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1743 return (sys_ioctl(td, (struct ioctl_args *)args));
1744
1745 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1746 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1747 return (sys_ioctl(td, (struct ioctl_args *)args));
1748
1749 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1750 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1751 return (sys_ioctl(td, (struct ioctl_args *)args));
1752
1753 case LINUX_SOUND_MIXER_WRITE_LINE1:
1754 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1755 return (sys_ioctl(td, (struct ioctl_args *)args));
1756
1757 case LINUX_SOUND_MIXER_WRITE_LINE2:
1758 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1759 return (sys_ioctl(td, (struct ioctl_args *)args));
1760
1761 case LINUX_SOUND_MIXER_WRITE_LINE3:
1762 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1763 return (sys_ioctl(td, (struct ioctl_args *)args));
1764
1765 case LINUX_SOUND_MIXER_WRITE_MONITOR:
1766 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR);
1767 return (sys_ioctl(td, (struct ioctl_args *)args));
1768
1769 case LINUX_SOUND_MIXER_INFO: {
1770 /* Key on encoded length */
1771 switch ((args->cmd >> 16) & 0x1fff) {
1772 case 0x005c: { /* SOUND_MIXER_INFO */
1773 args->cmd = SOUND_MIXER_INFO;
1774 return (sys_ioctl(td, (struct ioctl_args *)args));
1775 }
1776 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1777 struct linux_old_mixer_info info;
1778 bzero(&info, sizeof(info));
1779 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1780 strncpy(info.name, "FreeBSD OSS Mixer",
1781 sizeof(info.name) - 1);
1782 return (copyout(&info, (void *)args->arg,
1783 sizeof(info)));
1784 }
1785 default:
1786 return (ENOIOCTL);
1787 }
1788 break;
1789 }
1790
1791 case LINUX_OSS_GETVERSION: {
1792 int version = linux_get_oss_version(td);
1793 return (copyout(&version, (void *)args->arg, sizeof(int)));
1794 }
1795
1796 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1797 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1798 return (sys_ioctl(td, (struct ioctl_args *)args));
1799
1800 case LINUX_SOUND_MIXER_READ_CAPS:
1801 args->cmd = SOUND_MIXER_READ_CAPS;
1802 return (sys_ioctl(td, (struct ioctl_args *)args));
1803
1804 case LINUX_SOUND_MIXER_READ_RECMASK:
1805 args->cmd = SOUND_MIXER_READ_RECMASK;
1806 return (sys_ioctl(td, (struct ioctl_args *)args));
1807
1808 case LINUX_SOUND_MIXER_READ_DEVMASK:
1809 args->cmd = SOUND_MIXER_READ_DEVMASK;
1810 return (sys_ioctl(td, (struct ioctl_args *)args));
1811
1812 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1813 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1814 return (sys_ioctl(td, (struct ioctl_args *)args));
1815
1816 case LINUX_SNDCTL_DSP_RESET:
1817 args->cmd = SNDCTL_DSP_RESET;
1818 return (sys_ioctl(td, (struct ioctl_args *)args));
1819
1820 case LINUX_SNDCTL_DSP_SYNC:
1821 args->cmd = SNDCTL_DSP_SYNC;
1822 return (sys_ioctl(td, (struct ioctl_args *)args));
1823
1824 case LINUX_SNDCTL_DSP_SPEED:
1825 args->cmd = SNDCTL_DSP_SPEED;
1826 return (sys_ioctl(td, (struct ioctl_args *)args));
1827
1828 case LINUX_SNDCTL_DSP_STEREO:
1829 args->cmd = SNDCTL_DSP_STEREO;
1830 return (sys_ioctl(td, (struct ioctl_args *)args));
1831
1832 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1833 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1834 return (sys_ioctl(td, (struct ioctl_args *)args));
1835
1836 case LINUX_SNDCTL_DSP_SETFMT:
1837 args->cmd = SNDCTL_DSP_SETFMT;
1838 return (sys_ioctl(td, (struct ioctl_args *)args));
1839
1840 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1841 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1842 return (sys_ioctl(td, (struct ioctl_args *)args));
1843
1844 case LINUX_SOUND_PCM_WRITE_FILTER:
1845 args->cmd = SOUND_PCM_WRITE_FILTER;
1846 return (sys_ioctl(td, (struct ioctl_args *)args));
1847
1848 case LINUX_SNDCTL_DSP_POST:
1849 args->cmd = SNDCTL_DSP_POST;
1850 return (sys_ioctl(td, (struct ioctl_args *)args));
1851
1852 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1853 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1854 return (sys_ioctl(td, (struct ioctl_args *)args));
1855
1856 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1857 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1858 return (sys_ioctl(td, (struct ioctl_args *)args));
1859
1860 case LINUX_SNDCTL_DSP_GETFMTS:
1861 args->cmd = SNDCTL_DSP_GETFMTS;
1862 return (sys_ioctl(td, (struct ioctl_args *)args));
1863
1864 case LINUX_SNDCTL_DSP_GETOSPACE:
1865 args->cmd = SNDCTL_DSP_GETOSPACE;
1866 return (sys_ioctl(td, (struct ioctl_args *)args));
1867
1868 case LINUX_SNDCTL_DSP_GETISPACE:
1869 args->cmd = SNDCTL_DSP_GETISPACE;
1870 return (sys_ioctl(td, (struct ioctl_args *)args));
1871
1872 case LINUX_SNDCTL_DSP_NONBLOCK:
1873 args->cmd = SNDCTL_DSP_NONBLOCK;
1874 return (sys_ioctl(td, (struct ioctl_args *)args));
1875
1876 case LINUX_SNDCTL_DSP_GETCAPS:
1877 args->cmd = SNDCTL_DSP_GETCAPS;
1878 return (sys_ioctl(td, (struct ioctl_args *)args));
1879
1880 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1881 args->cmd = SNDCTL_DSP_SETTRIGGER;
1882 return (sys_ioctl(td, (struct ioctl_args *)args));
1883
1884 case LINUX_SNDCTL_DSP_GETIPTR:
1885 args->cmd = SNDCTL_DSP_GETIPTR;
1886 return (sys_ioctl(td, (struct ioctl_args *)args));
1887
1888 case LINUX_SNDCTL_DSP_GETOPTR:
1889 args->cmd = SNDCTL_DSP_GETOPTR;
1890 return (sys_ioctl(td, (struct ioctl_args *)args));
1891
1892 case LINUX_SNDCTL_DSP_SETDUPLEX:
1893 args->cmd = SNDCTL_DSP_SETDUPLEX;
1894 return (sys_ioctl(td, (struct ioctl_args *)args));
1895
1896 case LINUX_SNDCTL_DSP_GETODELAY:
1897 args->cmd = SNDCTL_DSP_GETODELAY;
1898 return (sys_ioctl(td, (struct ioctl_args *)args));
1899
1900 case LINUX_SNDCTL_SEQ_RESET:
1901 args->cmd = SNDCTL_SEQ_RESET;
1902 return (sys_ioctl(td, (struct ioctl_args *)args));
1903
1904 case LINUX_SNDCTL_SEQ_SYNC:
1905 args->cmd = SNDCTL_SEQ_SYNC;
1906 return (sys_ioctl(td, (struct ioctl_args *)args));
1907
1908 case LINUX_SNDCTL_SYNTH_INFO:
1909 args->cmd = SNDCTL_SYNTH_INFO;
1910 return (sys_ioctl(td, (struct ioctl_args *)args));
1911
1912 case LINUX_SNDCTL_SEQ_CTRLRATE:
1913 args->cmd = SNDCTL_SEQ_CTRLRATE;
1914 return (sys_ioctl(td, (struct ioctl_args *)args));
1915
1916 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1917 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1918 return (sys_ioctl(td, (struct ioctl_args *)args));
1919
1920 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1921 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1922 return (sys_ioctl(td, (struct ioctl_args *)args));
1923
1924 case LINUX_SNDCTL_SEQ_PERCMODE:
1925 args->cmd = SNDCTL_SEQ_PERCMODE;
1926 return (sys_ioctl(td, (struct ioctl_args *)args));
1927
1928 case LINUX_SNDCTL_FM_LOAD_INSTR:
1929 args->cmd = SNDCTL_FM_LOAD_INSTR;
1930 return (sys_ioctl(td, (struct ioctl_args *)args));
1931
1932 case LINUX_SNDCTL_SEQ_TESTMIDI:
1933 args->cmd = SNDCTL_SEQ_TESTMIDI;
1934 return (sys_ioctl(td, (struct ioctl_args *)args));
1935
1936 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1937 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1938 return (sys_ioctl(td, (struct ioctl_args *)args));
1939
1940 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1941 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1942 return (sys_ioctl(td, (struct ioctl_args *)args));
1943
1944 case LINUX_SNDCTL_SEQ_NRMIDIS:
1945 args->cmd = SNDCTL_SEQ_NRMIDIS;
1946 return (sys_ioctl(td, (struct ioctl_args *)args));
1947
1948 case LINUX_SNDCTL_MIDI_INFO:
1949 args->cmd = SNDCTL_MIDI_INFO;
1950 return (sys_ioctl(td, (struct ioctl_args *)args));
1951
1952 case LINUX_SNDCTL_SEQ_TRESHOLD:
1953 args->cmd = SNDCTL_SEQ_TRESHOLD;
1954 return (sys_ioctl(td, (struct ioctl_args *)args));
1955
1956 case LINUX_SNDCTL_SYNTH_MEMAVL:
1957 args->cmd = SNDCTL_SYNTH_MEMAVL;
1958 return (sys_ioctl(td, (struct ioctl_args *)args));
1959 }
1960
1961 return (ENOIOCTL);
1962 }
1963
1964 /*
1965 * Console related ioctls
1966 */
1967
1968 static int
linux_ioctl_console(struct thread * td,struct linux_ioctl_args * args)1969 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1970 {
1971 struct file *fp;
1972 int error;
1973
1974 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1975 if (error != 0)
1976 return (error);
1977 switch (args->cmd & 0xffff) {
1978 case LINUX_KIOCSOUND:
1979 args->cmd = KIOCSOUND;
1980 error = (sys_ioctl(td, (struct ioctl_args *)args));
1981 break;
1982
1983 case LINUX_KDMKTONE:
1984 args->cmd = KDMKTONE;
1985 error = (sys_ioctl(td, (struct ioctl_args *)args));
1986 break;
1987
1988 case LINUX_KDGETLED:
1989 args->cmd = KDGETLED;
1990 error = (sys_ioctl(td, (struct ioctl_args *)args));
1991 break;
1992
1993 case LINUX_KDSETLED:
1994 args->cmd = KDSETLED;
1995 error = (sys_ioctl(td, (struct ioctl_args *)args));
1996 break;
1997
1998 case LINUX_KDSETMODE:
1999 args->cmd = KDSETMODE;
2000 error = (sys_ioctl(td, (struct ioctl_args *)args));
2001 break;
2002
2003 case LINUX_KDGETMODE:
2004 args->cmd = KDGETMODE;
2005 error = (sys_ioctl(td, (struct ioctl_args *)args));
2006 break;
2007
2008 case LINUX_KDGKBMODE:
2009 args->cmd = KDGKBMODE;
2010 error = (sys_ioctl(td, (struct ioctl_args *)args));
2011 break;
2012
2013 case LINUX_KDSKBMODE: {
2014 int kbdmode;
2015 switch (args->arg) {
2016 case LINUX_KBD_RAW:
2017 kbdmode = K_RAW;
2018 break;
2019 case LINUX_KBD_XLATE:
2020 kbdmode = K_XLATE;
2021 break;
2022 case LINUX_KBD_MEDIUMRAW:
2023 kbdmode = K_RAW;
2024 break;
2025 default:
2026 fdrop(fp, td);
2027 return (EINVAL);
2028 }
2029 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2030 td->td_ucred, td));
2031 break;
2032 }
2033
2034 case LINUX_VT_OPENQRY:
2035 args->cmd = VT_OPENQRY;
2036 error = (sys_ioctl(td, (struct ioctl_args *)args));
2037 break;
2038
2039 case LINUX_VT_GETMODE:
2040 args->cmd = VT_GETMODE;
2041 error = (sys_ioctl(td, (struct ioctl_args *)args));
2042 break;
2043
2044 case LINUX_VT_SETMODE: {
2045 struct vt_mode mode;
2046 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2047 break;
2048 if (LINUX_SIG_VALID(mode.relsig))
2049 mode.relsig = linux_to_bsd_signal(mode.relsig);
2050 else
2051 mode.relsig = 0;
2052 if (LINUX_SIG_VALID(mode.acqsig))
2053 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2054 else
2055 mode.acqsig = 0;
2056 /* XXX. Linux ignores frsig and set it to 0. */
2057 mode.frsig = 0;
2058 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2059 break;
2060 args->cmd = VT_SETMODE;
2061 error = (sys_ioctl(td, (struct ioctl_args *)args));
2062 break;
2063 }
2064
2065 case LINUX_VT_GETSTATE:
2066 args->cmd = VT_GETACTIVE;
2067 error = (sys_ioctl(td, (struct ioctl_args *)args));
2068 break;
2069
2070 case LINUX_VT_RELDISP:
2071 args->cmd = VT_RELDISP;
2072 error = (sys_ioctl(td, (struct ioctl_args *)args));
2073 break;
2074
2075 case LINUX_VT_ACTIVATE:
2076 args->cmd = VT_ACTIVATE;
2077 error = (sys_ioctl(td, (struct ioctl_args *)args));
2078 break;
2079
2080 case LINUX_VT_WAITACTIVE:
2081 args->cmd = VT_WAITACTIVE;
2082 error = (sys_ioctl(td, (struct ioctl_args *)args));
2083 break;
2084
2085 default:
2086 error = ENOIOCTL;
2087 break;
2088 }
2089
2090 fdrop(fp, td);
2091 return (error);
2092 }
2093
2094 /*
2095 * Implement the SIOCGIFNAME ioctl
2096 */
2097
2098 static int
linux_ioctl_ifname(struct thread * td,struct l_ifreq * uifr)2099 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr)
2100 {
2101 struct l_ifreq ifr;
2102 int error, ret;
2103
2104 error = copyin(uifr, &ifr, sizeof(ifr));
2105 if (error != 0)
2106 return (error);
2107 ret = ifname_bsd_to_linux_idx(ifr.ifr_index, ifr.ifr_name,
2108 LINUX_IFNAMSIZ);
2109 if (ret > 0)
2110 return (copyout(&ifr, uifr, sizeof(ifr)));
2111 else
2112 return (ENODEV);
2113 }
2114
2115 /*
2116 * Implement the SIOCGIFCONF ioctl
2117 */
2118 static u_int
linux_ifconf_ifaddr_cb(void * arg,struct ifaddr * ifa,u_int count)2119 linux_ifconf_ifaddr_cb(void *arg, struct ifaddr *ifa, u_int count)
2120 {
2121 #ifdef COMPAT_LINUX32
2122 struct l_ifconf *ifc;
2123 #else
2124 struct ifconf *ifc;
2125 #endif
2126
2127 ifc = arg;
2128 ifc->ifc_len += sizeof(struct l_ifreq);
2129 return (1);
2130 }
2131
2132 static int
linux_ifconf_ifnet_cb(if_t ifp,void * arg)2133 linux_ifconf_ifnet_cb(if_t ifp, void *arg)
2134 {
2135
2136 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb, arg);
2137 return (0);
2138 }
2139
2140 struct linux_ifconfig_ifaddr_cb2_s {
2141 struct l_ifreq ifr;
2142 struct sbuf *sb;
2143 size_t max_len;
2144 size_t valid_len;
2145 };
2146
2147 static u_int
linux_ifconf_ifaddr_cb2(void * arg,struct ifaddr * ifa,u_int len)2148 linux_ifconf_ifaddr_cb2(void *arg, struct ifaddr *ifa, u_int len)
2149 {
2150 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg;
2151 struct sockaddr *sa = ifa->ifa_addr;
2152
2153 cbs->ifr.ifr_addr.sa_family = LINUX_AF_INET;
2154 memcpy(cbs->ifr.ifr_addr.sa_data, sa->sa_data,
2155 sizeof(cbs->ifr.ifr_addr.sa_data));
2156 sbuf_bcat(cbs->sb, &cbs->ifr, sizeof(cbs->ifr));
2157 cbs->max_len += sizeof(cbs->ifr);
2158
2159 if (sbuf_error(cbs->sb) == 0)
2160 cbs->valid_len = sbuf_len(cbs->sb);
2161 return (1);
2162 }
2163
2164 static int
linux_ifconf_ifnet_cb2(if_t ifp,void * arg)2165 linux_ifconf_ifnet_cb2(if_t ifp, void *arg)
2166 {
2167 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg;
2168
2169 bzero(&cbs->ifr, sizeof(cbs->ifr));
2170 ifname_bsd_to_linux_ifp(ifp, cbs->ifr.ifr_name,
2171 sizeof(cbs->ifr.ifr_name));
2172
2173 /* Walk the address list */
2174 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb2, cbs);
2175 return (0);
2176 }
2177
2178 static int
linux_ifconf(struct thread * td,struct ifconf * uifc)2179 linux_ifconf(struct thread *td, struct ifconf *uifc)
2180 {
2181 struct linux_ifconfig_ifaddr_cb2_s cbs;
2182 struct epoch_tracker et;
2183 #ifdef COMPAT_LINUX32
2184 struct l_ifconf ifc;
2185 #else
2186 struct ifconf ifc;
2187 #endif
2188 struct sbuf *sb;
2189 int error, full;
2190
2191 error = copyin(uifc, &ifc, sizeof(ifc));
2192 if (error != 0)
2193 return (error);
2194
2195 /* handle the 'request buffer size' case */
2196 if (PTRIN(ifc.ifc_buf) == NULL) {
2197 ifc.ifc_len = 0;
2198 NET_EPOCH_ENTER(et);
2199 if_foreach(linux_ifconf_ifnet_cb, &ifc);
2200 NET_EPOCH_EXIT(et);
2201 return (copyout(&ifc, uifc, sizeof(ifc)));
2202 }
2203 if (ifc.ifc_len <= 0)
2204 return (EINVAL);
2205
2206 full = 0;
2207 cbs.max_len = maxphys - 1;
2208
2209 again:
2210 if (ifc.ifc_len <= cbs.max_len) {
2211 cbs.max_len = ifc.ifc_len;
2212 full = 1;
2213 }
2214 cbs.sb = sb = sbuf_new(NULL, NULL, cbs.max_len + 1, SBUF_FIXEDLEN);
2215 cbs.max_len = 0;
2216 cbs.valid_len = 0;
2217
2218 /* Return all AF_INET addresses of all interfaces */
2219 NET_EPOCH_ENTER(et);
2220 if_foreach(linux_ifconf_ifnet_cb2, &cbs);
2221 NET_EPOCH_EXIT(et);
2222
2223 if (cbs.valid_len != cbs.max_len && !full) {
2224 sbuf_delete(sb);
2225 goto again;
2226 }
2227
2228 ifc.ifc_len = cbs.valid_len;
2229 sbuf_finish(sb);
2230 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2231 if (error == 0)
2232 error = copyout(&ifc, uifc, sizeof(ifc));
2233 sbuf_delete(sb);
2234
2235 return (error);
2236 }
2237
2238 static int
linux_ioctl_socket_ifreq(struct thread * td,int fd,u_int cmd,struct l_ifreq * uifr)2239 linux_ioctl_socket_ifreq(struct thread *td, int fd, u_int cmd,
2240 struct l_ifreq *uifr)
2241 {
2242 struct l_ifreq lifr;
2243 struct ifreq bifr;
2244 size_t ifrusiz;
2245 int error, temp_flags;
2246
2247 switch (cmd) {
2248 case LINUX_SIOCGIFINDEX:
2249 cmd = SIOCGIFINDEX;
2250 break;
2251 case LINUX_SIOCGIFFLAGS:
2252 cmd = SIOCGIFFLAGS;
2253 break;
2254 case LINUX_SIOCGIFADDR:
2255 cmd = SIOCGIFADDR;
2256 break;
2257 case LINUX_SIOCSIFADDR:
2258 cmd = SIOCSIFADDR;
2259 break;
2260 case LINUX_SIOCGIFDSTADDR:
2261 cmd = SIOCGIFDSTADDR;
2262 break;
2263 case LINUX_SIOCGIFBRDADDR:
2264 cmd = SIOCGIFBRDADDR;
2265 break;
2266 case LINUX_SIOCGIFNETMASK:
2267 cmd = SIOCGIFNETMASK;
2268 break;
2269 case LINUX_SIOCSIFNETMASK:
2270 cmd = SIOCSIFNETMASK;
2271 break;
2272 case LINUX_SIOCGIFMTU:
2273 cmd = SIOCGIFMTU;
2274 break;
2275 case LINUX_SIOCSIFMTU:
2276 cmd = SIOCSIFMTU;
2277 break;
2278 case LINUX_SIOCGIFHWADDR:
2279 cmd = SIOCGHWADDR;
2280 break;
2281 case LINUX_SIOCGIFMETRIC:
2282 cmd = SIOCGIFMETRIC;
2283 break;
2284 case LINUX_SIOCSIFMETRIC:
2285 cmd = SIOCSIFMETRIC;
2286 break;
2287 /*
2288 * XXX This is slightly bogus, but these ioctls are currently
2289 * XXX only used by the aironet (if_an) network driver.
2290 */
2291 case LINUX_SIOCDEVPRIVATE:
2292 cmd = SIOCGPRIVATE_0;
2293 break;
2294 case LINUX_SIOCDEVPRIVATE+1:
2295 cmd = SIOCGPRIVATE_1;
2296 break;
2297 default:
2298 LINUX_RATELIMIT_MSG_OPT2(
2299 "ioctl_socket_ifreq fd=%d, cmd=0x%x is not implemented",
2300 fd, cmd);
2301 return (ENOIOCTL);
2302 }
2303
2304 error = copyin(uifr, &lifr, sizeof(lifr));
2305 if (error != 0)
2306 return (error);
2307 bzero(&bifr, sizeof(bifr));
2308
2309 /*
2310 * The size of Linux enum ifr_ifru is bigger than
2311 * the FreeBSD size due to the struct ifmap.
2312 */
2313 ifrusiz = (sizeof(lifr) > sizeof(bifr) ? sizeof(bifr) :
2314 sizeof(lifr)) - offsetof(struct l_ifreq, ifr_ifru);
2315 bcopy(&lifr.ifr_ifru, &bifr.ifr_ifru, ifrusiz);
2316
2317 error = ifname_linux_to_bsd(td, lifr.ifr_name, bifr.ifr_name);
2318 if (error != 0)
2319 return (error);
2320
2321 /* Translate in values. */
2322 switch (cmd) {
2323 case SIOCGIFINDEX:
2324 bifr.ifr_index = lifr.ifr_index;
2325 break;
2326 case SIOCSIFADDR:
2327 case SIOCSIFNETMASK:
2328 bifr.ifr_addr.sa_len = sizeof(struct sockaddr);
2329 bifr.ifr_addr.sa_family =
2330 linux_to_bsd_domain(lifr.ifr_addr.sa_family);
2331 break;
2332 default:
2333 break;
2334 }
2335
2336 error = kern_ioctl(td, fd, cmd, (caddr_t)&bifr);
2337 if (error != 0)
2338 return (error);
2339 bzero(&lifr.ifr_ifru, sizeof(lifr.ifr_ifru));
2340
2341 /* Translate out values. */
2342 switch (cmd) {
2343 case SIOCGIFINDEX:
2344 lifr.ifr_index = bifr.ifr_index;
2345 break;
2346 case SIOCGIFFLAGS:
2347 temp_flags = bifr.ifr_flags | (bifr.ifr_flagshigh << 16);
2348 lifr.ifr_flags = bsd_to_linux_ifflags(temp_flags);
2349 break;
2350 case SIOCGIFADDR:
2351 case SIOCSIFADDR:
2352 case SIOCGIFDSTADDR:
2353 case SIOCGIFBRDADDR:
2354 case SIOCGIFNETMASK:
2355 bcopy(&bifr.ifr_addr, &lifr.ifr_addr, sizeof(bifr.ifr_addr));
2356 lifr.ifr_addr.sa_family =
2357 bsd_to_linux_domain(bifr.ifr_addr.sa_family);
2358 break;
2359 case SIOCGHWADDR:
2360 bcopy(&bifr.ifr_addr, &lifr.ifr_hwaddr, sizeof(bifr.ifr_addr));
2361 lifr.ifr_hwaddr.sa_family = LINUX_ARPHRD_ETHER;
2362 break;
2363 default:
2364 bcopy(&bifr.ifr_ifru, &lifr.ifr_ifru, ifrusiz);
2365 break;
2366 }
2367
2368 return (copyout(&lifr, uifr, sizeof(lifr)));
2369 }
2370
2371 /*
2372 * Socket related ioctls
2373 */
2374
2375 static int
linux_ioctl_socket(struct thread * td,struct linux_ioctl_args * args)2376 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2377 {
2378 struct file *fp;
2379 int error, type;
2380
2381 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2382 if (error != 0)
2383 return (error);
2384 type = fp->f_type;
2385 fdrop(fp, td);
2386
2387 CURVNET_SET(TD_TO_VNET(td));
2388
2389 if (type != DTYPE_SOCKET) {
2390 /* not a socket - probably a tap / vmnet device */
2391 switch (args->cmd) {
2392 case LINUX_SIOCGIFADDR:
2393 case LINUX_SIOCSIFADDR:
2394 case LINUX_SIOCGIFFLAGS:
2395 error = linux_ioctl_special(td, args);
2396 break;
2397 default:
2398 error = ENOIOCTL;
2399 break;
2400 }
2401 CURVNET_RESTORE();
2402 return (error);
2403 }
2404
2405 switch (args->cmd) {
2406 case LINUX_FIOSETOWN:
2407 args->cmd = FIOSETOWN;
2408 error = sys_ioctl(td, (struct ioctl_args *)args);
2409 break;
2410
2411 case LINUX_SIOCSPGRP:
2412 args->cmd = SIOCSPGRP;
2413 error = sys_ioctl(td, (struct ioctl_args *)args);
2414 break;
2415
2416 case LINUX_FIOGETOWN:
2417 args->cmd = FIOGETOWN;
2418 error = sys_ioctl(td, (struct ioctl_args *)args);
2419 break;
2420
2421 case LINUX_SIOCGPGRP:
2422 args->cmd = SIOCGPGRP;
2423 error = sys_ioctl(td, (struct ioctl_args *)args);
2424 break;
2425
2426 case LINUX_SIOCATMARK:
2427 args->cmd = SIOCATMARK;
2428 error = sys_ioctl(td, (struct ioctl_args *)args);
2429 break;
2430
2431 /* LINUX_SIOCGSTAMP */
2432
2433 case LINUX_SIOCGIFNAME:
2434 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg);
2435 break;
2436
2437 case LINUX_SIOCGIFCONF:
2438 error = linux_ifconf(td, (struct ifconf *)args->arg);
2439 break;
2440
2441 case LINUX_SIOCADDMULTI:
2442 args->cmd = SIOCADDMULTI;
2443 error = sys_ioctl(td, (struct ioctl_args *)args);
2444 break;
2445
2446 case LINUX_SIOCDELMULTI:
2447 args->cmd = SIOCDELMULTI;
2448 error = sys_ioctl(td, (struct ioctl_args *)args);
2449 break;
2450
2451 case LINUX_SIOCGIFCOUNT:
2452 error = 0;
2453 break;
2454
2455 default:
2456 error = linux_ioctl_socket_ifreq(td, args->fd, args->cmd,
2457 PTRIN(args->arg));
2458 break;
2459 }
2460
2461 CURVNET_RESTORE();
2462 return (error);
2463 }
2464
2465 /*
2466 * Device private ioctl handler
2467 */
2468 static int
linux_ioctl_private(struct thread * td,struct linux_ioctl_args * args)2469 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2470 {
2471 struct file *fp;
2472 int error, type;
2473
2474 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2475 if (error != 0)
2476 return (error);
2477 type = fp->f_type;
2478 fdrop(fp, td);
2479 if (type == DTYPE_SOCKET)
2480 return (linux_ioctl_socket(td, args));
2481 return (ENOIOCTL);
2482 }
2483
2484 /*
2485 * DRM ioctl handler (sys/dev/drm)
2486 */
2487 static int
linux_ioctl_drm(struct thread * td,struct linux_ioctl_args * args)2488 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2489 {
2490 args->cmd = SETDIR(args->cmd);
2491 return (sys_ioctl(td, (struct ioctl_args *)args));
2492 }
2493
2494 #ifdef COMPAT_LINUX32
2495 static int
linux_ioctl_sg_io(struct thread * td,struct linux_ioctl_args * args)2496 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2497 {
2498 struct sg_io_hdr io;
2499 struct sg_io_hdr32 io32;
2500 struct file *fp;
2501 int error;
2502
2503 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2504 if (error != 0) {
2505 printf("sg_linux_ioctl: fget returned %d\n", error);
2506 return (error);
2507 }
2508
2509 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2510 goto out;
2511
2512 CP(io32, io, interface_id);
2513 CP(io32, io, dxfer_direction);
2514 CP(io32, io, cmd_len);
2515 CP(io32, io, mx_sb_len);
2516 CP(io32, io, iovec_count);
2517 CP(io32, io, dxfer_len);
2518 PTRIN_CP(io32, io, dxferp);
2519 PTRIN_CP(io32, io, cmdp);
2520 PTRIN_CP(io32, io, sbp);
2521 CP(io32, io, timeout);
2522 CP(io32, io, flags);
2523 CP(io32, io, pack_id);
2524 PTRIN_CP(io32, io, usr_ptr);
2525 CP(io32, io, status);
2526 CP(io32, io, masked_status);
2527 CP(io32, io, msg_status);
2528 CP(io32, io, sb_len_wr);
2529 CP(io32, io, host_status);
2530 CP(io32, io, driver_status);
2531 CP(io32, io, resid);
2532 CP(io32, io, duration);
2533 CP(io32, io, info);
2534
2535 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2536 goto out;
2537
2538 CP(io, io32, interface_id);
2539 CP(io, io32, dxfer_direction);
2540 CP(io, io32, cmd_len);
2541 CP(io, io32, mx_sb_len);
2542 CP(io, io32, iovec_count);
2543 CP(io, io32, dxfer_len);
2544 PTROUT_CP(io, io32, dxferp);
2545 PTROUT_CP(io, io32, cmdp);
2546 PTROUT_CP(io, io32, sbp);
2547 CP(io, io32, timeout);
2548 CP(io, io32, flags);
2549 CP(io, io32, pack_id);
2550 PTROUT_CP(io, io32, usr_ptr);
2551 CP(io, io32, status);
2552 CP(io, io32, masked_status);
2553 CP(io, io32, msg_status);
2554 CP(io, io32, sb_len_wr);
2555 CP(io, io32, host_status);
2556 CP(io, io32, driver_status);
2557 CP(io, io32, resid);
2558 CP(io, io32, duration);
2559 CP(io, io32, info);
2560
2561 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2562
2563 out:
2564 fdrop(fp, td);
2565 return (error);
2566 }
2567 #endif
2568
2569 static int
linux_ioctl_sg(struct thread * td,struct linux_ioctl_args * args)2570 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2571 {
2572
2573 switch (args->cmd) {
2574 case LINUX_SG_GET_VERSION_NUM:
2575 args->cmd = SG_GET_VERSION_NUM;
2576 break;
2577 case LINUX_SG_SET_TIMEOUT:
2578 args->cmd = SG_SET_TIMEOUT;
2579 break;
2580 case LINUX_SG_GET_TIMEOUT:
2581 args->cmd = SG_GET_TIMEOUT;
2582 break;
2583 case LINUX_SG_IO:
2584 args->cmd = SG_IO;
2585 #ifdef COMPAT_LINUX32
2586 return (linux_ioctl_sg_io(td, args));
2587 #endif
2588 break;
2589 case LINUX_SG_GET_RESERVED_SIZE:
2590 args->cmd = SG_GET_RESERVED_SIZE;
2591 break;
2592 case LINUX_SG_GET_SCSI_ID:
2593 args->cmd = SG_GET_SCSI_ID;
2594 break;
2595 case LINUX_SG_GET_SG_TABLESIZE:
2596 args->cmd = SG_GET_SG_TABLESIZE;
2597 break;
2598 default:
2599 return (ENODEV);
2600 }
2601 return (sys_ioctl(td, (struct ioctl_args *)args));
2602 }
2603
2604 /*
2605 * Video4Linux (V4L) ioctl handler
2606 */
2607 static int
linux_to_bsd_v4l_tuner(struct l_video_tuner * lvt,struct video_tuner * vt)2608 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2609 {
2610 vt->tuner = lvt->tuner;
2611 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2612 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2613 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2614 vt->flags = lvt->flags;
2615 vt->mode = lvt->mode;
2616 vt->signal = lvt->signal;
2617 return (0);
2618 }
2619
2620 static int
bsd_to_linux_v4l_tuner(struct video_tuner * vt,struct l_video_tuner * lvt)2621 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2622 {
2623 lvt->tuner = vt->tuner;
2624 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2625 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2626 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2627 lvt->flags = vt->flags;
2628 lvt->mode = vt->mode;
2629 lvt->signal = vt->signal;
2630 return (0);
2631 }
2632
2633 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2634 static int
linux_to_bsd_v4l_clip(struct l_video_clip * lvc,struct video_clip * vc)2635 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2636 {
2637 vc->x = lvc->x;
2638 vc->y = lvc->y;
2639 vc->width = lvc->width;
2640 vc->height = lvc->height;
2641 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2642 return (0);
2643 }
2644 #endif
2645
2646 static int
linux_to_bsd_v4l_window(struct l_video_window * lvw,struct video_window * vw)2647 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2648 {
2649 vw->x = lvw->x;
2650 vw->y = lvw->y;
2651 vw->width = lvw->width;
2652 vw->height = lvw->height;
2653 vw->chromakey = lvw->chromakey;
2654 vw->flags = lvw->flags;
2655 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2656 vw->clipcount = lvw->clipcount;
2657 return (0);
2658 }
2659
2660 static int
bsd_to_linux_v4l_window(struct video_window * vw,struct l_video_window * lvw)2661 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2662 {
2663 memset(lvw, 0, sizeof(*lvw));
2664
2665 lvw->x = vw->x;
2666 lvw->y = vw->y;
2667 lvw->width = vw->width;
2668 lvw->height = vw->height;
2669 lvw->chromakey = vw->chromakey;
2670 lvw->flags = vw->flags;
2671 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2672 lvw->clipcount = vw->clipcount;
2673 return (0);
2674 }
2675
2676 static int
linux_to_bsd_v4l_buffer(struct l_video_buffer * lvb,struct video_buffer * vb)2677 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2678 {
2679 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2680 vb->height = lvb->height;
2681 vb->width = lvb->width;
2682 vb->depth = lvb->depth;
2683 vb->bytesperline = lvb->bytesperline;
2684 return (0);
2685 }
2686
2687 static int
bsd_to_linux_v4l_buffer(struct video_buffer * vb,struct l_video_buffer * lvb)2688 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2689 {
2690 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2691 lvb->height = vb->height;
2692 lvb->width = vb->width;
2693 lvb->depth = vb->depth;
2694 lvb->bytesperline = vb->bytesperline;
2695 return (0);
2696 }
2697
2698 static int
linux_to_bsd_v4l_code(struct l_video_code * lvc,struct video_code * vc)2699 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2700 {
2701 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2702 vc->datasize = lvc->datasize;
2703 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2704 return (0);
2705 }
2706
2707 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2708 static int
linux_v4l_clip_copy(void * lvc,struct video_clip ** ppvc)2709 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2710 {
2711 int error;
2712 struct video_clip vclip;
2713 struct l_video_clip l_vclip;
2714
2715 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2716 if (error) return (error);
2717 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2718 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2719 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2720 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */
2721 memcpy(*ppvc, &vclip, sizeof(vclip));
2722 (*ppvc)->next = NULL;
2723 return (0);
2724 }
2725
2726 static int
linux_v4l_cliplist_free(struct video_window * vw)2727 linux_v4l_cliplist_free(struct video_window *vw)
2728 {
2729 struct video_clip **ppvc;
2730 struct video_clip **ppvc_next;
2731
2732 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2733 ppvc_next = &((*ppvc)->next);
2734 free(*ppvc, M_LINUX);
2735 }
2736 vw->clips = NULL;
2737
2738 return (0);
2739 }
2740
2741 static int
linux_v4l_cliplist_copy(struct l_video_window * lvw,struct video_window * vw)2742 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2743 {
2744 int error;
2745 int clipcount;
2746 void *plvc;
2747 struct video_clip **ppvc;
2748
2749 /*
2750 * XXX: The cliplist is used to pass in a list of clipping
2751 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2752 * clipping bitmap. Some Linux apps, however, appear to
2753 * leave cliplist and clips uninitialized. In any case,
2754 * the cliplist is not used by pwc(4), at the time of
2755 * writing, FreeBSD's only V4L driver. When a driver
2756 * that uses the cliplist is developed, this code may
2757 * need re-examiniation.
2758 */
2759 error = 0;
2760 clipcount = vw->clipcount;
2761 if (clipcount == VIDEO_CLIP_BITMAP) {
2762 /*
2763 * In this case, the pointer (clips) is overloaded
2764 * to be a "void *" to a bitmap, therefore there
2765 * is no struct video_clip to copy now.
2766 */
2767 } else if (clipcount > 0 && clipcount <= 16384) {
2768 /*
2769 * Clips points to list of clip rectangles, so
2770 * copy the list.
2771 *
2772 * XXX: Upper limit of 16384 was used here to try to
2773 * avoid cases when clipcount and clips pointer
2774 * are uninitialized and therefore have high random
2775 * values, as is the case in the Linux Skype
2776 * application. The value 16384 was chosen as that
2777 * is what is used in the Linux stradis(4) MPEG
2778 * decoder driver, the only place we found an
2779 * example of cliplist use.
2780 */
2781 plvc = PTRIN(lvw->clips);
2782 vw->clips = NULL;
2783 ppvc = &(vw->clips);
2784 while (clipcount-- > 0) {
2785 if (plvc == NULL) {
2786 error = EFAULT;
2787 break;
2788 } else {
2789 error = linux_v4l_clip_copy(plvc, ppvc);
2790 if (error) {
2791 linux_v4l_cliplist_free(vw);
2792 break;
2793 }
2794 }
2795 ppvc = &((*ppvc)->next);
2796 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2797 }
2798 } else {
2799 /*
2800 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2801 * Force cliplist to null.
2802 */
2803 vw->clipcount = 0;
2804 vw->clips = NULL;
2805 }
2806 return (error);
2807 }
2808 #endif
2809
2810 static int
linux_ioctl_v4l(struct thread * td,struct linux_ioctl_args * args)2811 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2812 {
2813 struct file *fp;
2814 int error;
2815 struct video_tuner vtun;
2816 struct video_window vwin;
2817 struct video_buffer vbuf;
2818 struct video_code vcode;
2819 struct l_video_tuner l_vtun;
2820 struct l_video_window l_vwin;
2821 struct l_video_buffer l_vbuf;
2822 struct l_video_code l_vcode;
2823
2824 switch (args->cmd & 0xffff) {
2825 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2826 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2827 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2828
2829 case LINUX_VIDIOCGTUNER:
2830 error = fget(td, args->fd,
2831 &cap_ioctl_rights, &fp);
2832 if (error != 0)
2833 return (error);
2834 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2835 if (error) {
2836 fdrop(fp, td);
2837 return (error);
2838 }
2839 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2840 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2841 if (!error) {
2842 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2843 error = copyout(&l_vtun, (void *) args->arg,
2844 sizeof(l_vtun));
2845 }
2846 fdrop(fp, td);
2847 return (error);
2848
2849 case LINUX_VIDIOCSTUNER:
2850 error = fget(td, args->fd,
2851 &cap_ioctl_rights, &fp);
2852 if (error != 0)
2853 return (error);
2854 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2855 if (error) {
2856 fdrop(fp, td);
2857 return (error);
2858 }
2859 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2860 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2861 fdrop(fp, td);
2862 return (error);
2863
2864 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2865 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2866 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2867
2868 case LINUX_VIDIOCGWIN:
2869 error = fget(td, args->fd,
2870 &cap_ioctl_rights, &fp);
2871 if (error != 0)
2872 return (error);
2873 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2874 if (!error) {
2875 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2876 error = copyout(&l_vwin, (void *) args->arg,
2877 sizeof(l_vwin));
2878 }
2879 fdrop(fp, td);
2880 return (error);
2881
2882 case LINUX_VIDIOCSWIN:
2883 error = fget(td, args->fd,
2884 &cap_ioctl_rights, &fp);
2885 if (error != 0)
2886 return (error);
2887 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
2888 if (error) {
2889 fdrop(fp, td);
2890 return (error);
2891 }
2892 linux_to_bsd_v4l_window(&l_vwin, &vwin);
2893 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2894 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
2895 if (error) {
2896 fdrop(fp, td);
2897 return (error);
2898 }
2899 #endif
2900 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
2901 fdrop(fp, td);
2902 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2903 linux_v4l_cliplist_free(&vwin);
2904 #endif
2905 return (error);
2906
2907 case LINUX_VIDIOCGFBUF:
2908 error = fget(td, args->fd,
2909 &cap_ioctl_rights, &fp);
2910 if (error != 0)
2911 return (error);
2912 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
2913 if (!error) {
2914 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
2915 error = copyout(&l_vbuf, (void *) args->arg,
2916 sizeof(l_vbuf));
2917 }
2918 fdrop(fp, td);
2919 return (error);
2920
2921 case LINUX_VIDIOCSFBUF:
2922 error = fget(td, args->fd,
2923 &cap_ioctl_rights, &fp);
2924 if (error != 0)
2925 return (error);
2926 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
2927 if (error) {
2928 fdrop(fp, td);
2929 return (error);
2930 }
2931 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
2932 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
2933 fdrop(fp, td);
2934 return (error);
2935
2936 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
2937 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
2938 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
2939 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
2940 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
2941 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
2942 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
2943 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
2944 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
2945 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
2946 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
2947 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
2948 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
2949 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
2950
2951 case LINUX_VIDIOCSMICROCODE:
2952 error = fget(td, args->fd,
2953 &cap_ioctl_rights, &fp);
2954 if (error != 0)
2955 return (error);
2956 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
2957 if (error) {
2958 fdrop(fp, td);
2959 return (error);
2960 }
2961 linux_to_bsd_v4l_code(&l_vcode, &vcode);
2962 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
2963 fdrop(fp, td);
2964 return (error);
2965
2966 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
2967 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
2968 default: return (ENOIOCTL);
2969 }
2970
2971 error = sys_ioctl(td, (struct ioctl_args *)args);
2972 return (error);
2973 }
2974
2975 /*
2976 * Special ioctl handler
2977 */
2978 static int
linux_ioctl_special(struct thread * td,struct linux_ioctl_args * args)2979 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
2980 {
2981 int error;
2982
2983 switch (args->cmd) {
2984 case LINUX_SIOCGIFADDR:
2985 args->cmd = SIOCGIFADDR;
2986 error = sys_ioctl(td, (struct ioctl_args *)args);
2987 break;
2988 case LINUX_SIOCSIFADDR:
2989 args->cmd = SIOCSIFADDR;
2990 error = sys_ioctl(td, (struct ioctl_args *)args);
2991 break;
2992 case LINUX_SIOCGIFFLAGS:
2993 args->cmd = SIOCGIFFLAGS;
2994 error = sys_ioctl(td, (struct ioctl_args *)args);
2995 break;
2996 default:
2997 error = ENOIOCTL;
2998 }
2999
3000 return (error);
3001 }
3002
3003 static int
linux_to_bsd_v4l2_standard(struct l_v4l2_standard * lvstd,struct v4l2_standard * vstd)3004 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3005 {
3006 vstd->index = lvstd->index;
3007 vstd->id = lvstd->id;
3008 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3009 memcpy(vstd->name, lvstd->name, sizeof(vstd->name));
3010 vstd->frameperiod = lvstd->frameperiod;
3011 vstd->framelines = lvstd->framelines;
3012 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3013 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved));
3014 return (0);
3015 }
3016
3017 static int
bsd_to_linux_v4l2_standard(struct v4l2_standard * vstd,struct l_v4l2_standard * lvstd)3018 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3019 {
3020 lvstd->index = vstd->index;
3021 lvstd->id = vstd->id;
3022 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3023 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name));
3024 lvstd->frameperiod = vstd->frameperiod;
3025 lvstd->framelines = vstd->framelines;
3026 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3027 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved));
3028 return (0);
3029 }
3030
3031 static int
linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer * lvb,struct v4l2_buffer * vb)3032 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3033 {
3034 vb->index = lvb->index;
3035 vb->type = lvb->type;
3036 vb->bytesused = lvb->bytesused;
3037 vb->flags = lvb->flags;
3038 vb->field = lvb->field;
3039 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3040 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3041 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3042 vb->sequence = lvb->sequence;
3043 vb->memory = lvb->memory;
3044 if (lvb->memory == V4L2_MEMORY_USERPTR)
3045 /* possible pointer size conversion */
3046 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3047 else
3048 vb->m.offset = lvb->m.offset;
3049 vb->length = lvb->length;
3050 vb->input = lvb->input;
3051 vb->reserved = lvb->reserved;
3052 return (0);
3053 }
3054
3055 static int
bsd_to_linux_v4l2_buffer(struct v4l2_buffer * vb,struct l_v4l2_buffer * lvb)3056 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3057 {
3058 lvb->index = vb->index;
3059 lvb->type = vb->type;
3060 lvb->bytesused = vb->bytesused;
3061 lvb->flags = vb->flags;
3062 lvb->field = vb->field;
3063 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3064 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3065 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3066 lvb->sequence = vb->sequence;
3067 lvb->memory = vb->memory;
3068 if (vb->memory == V4L2_MEMORY_USERPTR)
3069 /* possible pointer size conversion */
3070 lvb->m.userptr = PTROUT(vb->m.userptr);
3071 else
3072 lvb->m.offset = vb->m.offset;
3073 lvb->length = vb->length;
3074 lvb->input = vb->input;
3075 lvb->reserved = vb->reserved;
3076 return (0);
3077 }
3078
3079 static int
linux_to_bsd_v4l2_format(struct l_v4l2_format * lvf,struct v4l2_format * vf)3080 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3081 {
3082 vf->type = lvf->type;
3083 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3084 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3085 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3086 #endif
3087 )
3088 /*
3089 * XXX TODO - needs 32 -> 64 bit conversion:
3090 * (unused by webcams?)
3091 */
3092 return (EINVAL);
3093 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3094 return (0);
3095 }
3096
3097 static int
bsd_to_linux_v4l2_format(struct v4l2_format * vf,struct l_v4l2_format * lvf)3098 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3099 {
3100 lvf->type = vf->type;
3101 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3102 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3103 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3104 #endif
3105 )
3106 /*
3107 * XXX TODO - needs 32 -> 64 bit conversion:
3108 * (unused by webcams?)
3109 */
3110 return (EINVAL);
3111 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3112 return (0);
3113 }
3114 static int
linux_ioctl_v4l2(struct thread * td,struct linux_ioctl_args * args)3115 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3116 {
3117 struct file *fp;
3118 int error;
3119 struct v4l2_format vformat;
3120 struct l_v4l2_format l_vformat;
3121 struct v4l2_standard vstd;
3122 struct l_v4l2_standard l_vstd;
3123 struct l_v4l2_buffer l_vbuf;
3124 struct v4l2_buffer vbuf;
3125 struct v4l2_input vinp;
3126
3127 switch (args->cmd & 0xffff) {
3128 case LINUX_VIDIOC_RESERVED:
3129 case LINUX_VIDIOC_LOG_STATUS:
3130 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3131 return (ENOIOCTL);
3132 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3133 break;
3134
3135 case LINUX_VIDIOC_OVERLAY:
3136 case LINUX_VIDIOC_STREAMON:
3137 case LINUX_VIDIOC_STREAMOFF:
3138 case LINUX_VIDIOC_S_STD:
3139 case LINUX_VIDIOC_S_TUNER:
3140 case LINUX_VIDIOC_S_AUDIO:
3141 case LINUX_VIDIOC_S_AUDOUT:
3142 case LINUX_VIDIOC_S_MODULATOR:
3143 case LINUX_VIDIOC_S_FREQUENCY:
3144 case LINUX_VIDIOC_S_CROP:
3145 case LINUX_VIDIOC_S_JPEGCOMP:
3146 case LINUX_VIDIOC_S_PRIORITY:
3147 case LINUX_VIDIOC_DBG_S_REGISTER:
3148 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3149 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3150 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3151 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3152 break;
3153
3154 case LINUX_VIDIOC_QUERYCAP:
3155 case LINUX_VIDIOC_G_STD:
3156 case LINUX_VIDIOC_G_AUDIO:
3157 case LINUX_VIDIOC_G_INPUT:
3158 case LINUX_VIDIOC_G_OUTPUT:
3159 case LINUX_VIDIOC_G_AUDOUT:
3160 case LINUX_VIDIOC_G_JPEGCOMP:
3161 case LINUX_VIDIOC_QUERYSTD:
3162 case LINUX_VIDIOC_G_PRIORITY:
3163 case LINUX_VIDIOC_QUERY_DV_PRESET:
3164 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3165 break;
3166
3167 case LINUX_VIDIOC_ENUM_FMT:
3168 case LINUX_VIDIOC_REQBUFS:
3169 case LINUX_VIDIOC_G_PARM:
3170 case LINUX_VIDIOC_S_PARM:
3171 case LINUX_VIDIOC_G_CTRL:
3172 case LINUX_VIDIOC_S_CTRL:
3173 case LINUX_VIDIOC_G_TUNER:
3174 case LINUX_VIDIOC_QUERYCTRL:
3175 case LINUX_VIDIOC_QUERYMENU:
3176 case LINUX_VIDIOC_S_INPUT:
3177 case LINUX_VIDIOC_S_OUTPUT:
3178 case LINUX_VIDIOC_ENUMOUTPUT:
3179 case LINUX_VIDIOC_G_MODULATOR:
3180 case LINUX_VIDIOC_G_FREQUENCY:
3181 case LINUX_VIDIOC_CROPCAP:
3182 case LINUX_VIDIOC_G_CROP:
3183 case LINUX_VIDIOC_ENUMAUDIO:
3184 case LINUX_VIDIOC_ENUMAUDOUT:
3185 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3186 #ifdef VIDIOC_ENUM_FRAMESIZES
3187 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3188 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3189 case LINUX_VIDIOC_ENCODER_CMD:
3190 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3191 #endif
3192 case LINUX_VIDIOC_DBG_G_REGISTER:
3193 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3194 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3195 case LINUX_VIDIOC_S_DV_PRESET:
3196 case LINUX_VIDIOC_G_DV_PRESET:
3197 case LINUX_VIDIOC_S_DV_TIMINGS:
3198 case LINUX_VIDIOC_G_DV_TIMINGS:
3199 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3200 break;
3201
3202 case LINUX_VIDIOC_G_FMT:
3203 case LINUX_VIDIOC_S_FMT:
3204 case LINUX_VIDIOC_TRY_FMT:
3205 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3206 if (error)
3207 return (error);
3208 error = fget(td, args->fd,
3209 &cap_ioctl_rights, &fp);
3210 if (error)
3211 return (error);
3212 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3213 error = EINVAL;
3214 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3215 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3216 td->td_ucred, td);
3217 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3218 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3219 td->td_ucred, td);
3220 else
3221 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3222 td->td_ucred, td);
3223 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3224 if (error == 0)
3225 error = copyout(&l_vformat, (void *)args->arg,
3226 sizeof(l_vformat));
3227 fdrop(fp, td);
3228 return (error);
3229
3230 case LINUX_VIDIOC_ENUMSTD:
3231 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3232 if (error)
3233 return (error);
3234 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3235 error = fget(td, args->fd,
3236 &cap_ioctl_rights, &fp);
3237 if (error)
3238 return (error);
3239 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3240 td->td_ucred, td);
3241 if (error) {
3242 fdrop(fp, td);
3243 return (error);
3244 }
3245 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3246 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3247 fdrop(fp, td);
3248 return (error);
3249
3250 case LINUX_VIDIOC_ENUMINPUT:
3251 /*
3252 * The Linux struct l_v4l2_input differs only in size,
3253 * it has no padding at the end.
3254 */
3255 error = copyin((void *)args->arg, &vinp,
3256 sizeof(struct l_v4l2_input));
3257 if (error != 0)
3258 return (error);
3259 error = fget(td, args->fd,
3260 &cap_ioctl_rights, &fp);
3261 if (error != 0)
3262 return (error);
3263 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3264 td->td_ucred, td);
3265 if (error) {
3266 fdrop(fp, td);
3267 return (error);
3268 }
3269 error = copyout(&vinp, (void *)args->arg,
3270 sizeof(struct l_v4l2_input));
3271 fdrop(fp, td);
3272 return (error);
3273
3274 case LINUX_VIDIOC_QUERYBUF:
3275 case LINUX_VIDIOC_QBUF:
3276 case LINUX_VIDIOC_DQBUF:
3277 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3278 if (error)
3279 return (error);
3280 error = fget(td, args->fd,
3281 &cap_ioctl_rights, &fp);
3282 if (error)
3283 return (error);
3284 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3285 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3286 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3287 td->td_ucred, td);
3288 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3289 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3290 td->td_ucred, td);
3291 else
3292 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3293 td->td_ucred, td);
3294 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3295 if (error == 0)
3296 error = copyout(&l_vbuf, (void *)args->arg,
3297 sizeof(l_vbuf));
3298 fdrop(fp, td);
3299 return (error);
3300
3301 /*
3302 * XXX TODO - these need 32 -> 64 bit conversion:
3303 * (are any of them needed for webcams?)
3304 */
3305 case LINUX_VIDIOC_G_FBUF:
3306 case LINUX_VIDIOC_S_FBUF:
3307
3308 case LINUX_VIDIOC_G_EXT_CTRLS:
3309 case LINUX_VIDIOC_S_EXT_CTRLS:
3310 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3311
3312 case LINUX_VIDIOC_DQEVENT:
3313
3314 default: return (ENOIOCTL);
3315 }
3316
3317 error = sys_ioctl(td, (struct ioctl_args *)args);
3318 return (error);
3319 }
3320
3321 /*
3322 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3323 * instead of USB* ones. This lets us to provide correct values for cmd.
3324 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3325 */
3326 static int
linux_ioctl_fbsd_usb(struct thread * td,struct linux_ioctl_args * args)3327 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3328 {
3329 int error;
3330
3331 error = 0;
3332 switch (args->cmd) {
3333 case FBSD_LUSB_DEVICEENUMERATE:
3334 args->cmd = USB_DEVICEENUMERATE;
3335 break;
3336 case FBSD_LUSB_DEV_QUIRK_ADD:
3337 args->cmd = USB_DEV_QUIRK_ADD;
3338 break;
3339 case FBSD_LUSB_DEV_QUIRK_GET:
3340 args->cmd = USB_DEV_QUIRK_GET;
3341 break;
3342 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3343 args->cmd = USB_DEV_QUIRK_REMOVE;
3344 break;
3345 case FBSD_LUSB_DO_REQUEST:
3346 args->cmd = USB_DO_REQUEST;
3347 break;
3348 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3349 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3350 break;
3351 case FBSD_LUSB_FS_CLOSE:
3352 args->cmd = USB_FS_CLOSE;
3353 break;
3354 case FBSD_LUSB_FS_COMPLETE:
3355 args->cmd = USB_FS_COMPLETE;
3356 break;
3357 case FBSD_LUSB_FS_INIT:
3358 args->cmd = USB_FS_INIT;
3359 break;
3360 case FBSD_LUSB_FS_OPEN:
3361 args->cmd = USB_FS_OPEN;
3362 break;
3363 case FBSD_LUSB_FS_START:
3364 args->cmd = USB_FS_START;
3365 break;
3366 case FBSD_LUSB_FS_STOP:
3367 args->cmd = USB_FS_STOP;
3368 break;
3369 case FBSD_LUSB_FS_UNINIT:
3370 args->cmd = USB_FS_UNINIT;
3371 break;
3372 case FBSD_LUSB_GET_CONFIG:
3373 args->cmd = USB_GET_CONFIG;
3374 break;
3375 case FBSD_LUSB_GET_DEVICEINFO:
3376 args->cmd = USB_GET_DEVICEINFO;
3377 break;
3378 case FBSD_LUSB_GET_DEVICE_DESC:
3379 args->cmd = USB_GET_DEVICE_DESC;
3380 break;
3381 case FBSD_LUSB_GET_FULL_DESC:
3382 args->cmd = USB_GET_FULL_DESC;
3383 break;
3384 case FBSD_LUSB_GET_IFACE_DRIVER:
3385 args->cmd = USB_GET_IFACE_DRIVER;
3386 break;
3387 case FBSD_LUSB_GET_PLUGTIME:
3388 args->cmd = USB_GET_PLUGTIME;
3389 break;
3390 case FBSD_LUSB_GET_POWER_MODE:
3391 args->cmd = USB_GET_POWER_MODE;
3392 break;
3393 case FBSD_LUSB_GET_REPORT_DESC:
3394 args->cmd = USB_GET_REPORT_DESC;
3395 break;
3396 case FBSD_LUSB_GET_REPORT_ID:
3397 args->cmd = USB_GET_REPORT_ID;
3398 break;
3399 case FBSD_LUSB_GET_TEMPLATE:
3400 args->cmd = USB_GET_TEMPLATE;
3401 break;
3402 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3403 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3404 break;
3405 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3406 args->cmd = USB_IFACE_DRIVER_DETACH;
3407 break;
3408 case FBSD_LUSB_QUIRK_NAME_GET:
3409 args->cmd = USB_QUIRK_NAME_GET;
3410 break;
3411 case FBSD_LUSB_READ_DIR:
3412 args->cmd = USB_READ_DIR;
3413 break;
3414 case FBSD_LUSB_SET_ALTINTERFACE:
3415 args->cmd = USB_SET_ALTINTERFACE;
3416 break;
3417 case FBSD_LUSB_SET_CONFIG:
3418 args->cmd = USB_SET_CONFIG;
3419 break;
3420 case FBSD_LUSB_SET_IMMED:
3421 args->cmd = USB_SET_IMMED;
3422 break;
3423 case FBSD_LUSB_SET_POWER_MODE:
3424 args->cmd = USB_SET_POWER_MODE;
3425 break;
3426 case FBSD_LUSB_SET_TEMPLATE:
3427 args->cmd = USB_SET_TEMPLATE;
3428 break;
3429 case FBSD_LUSB_FS_OPEN_STREAM:
3430 args->cmd = USB_FS_OPEN_STREAM;
3431 break;
3432 case FBSD_LUSB_GET_DEV_PORT_PATH:
3433 args->cmd = USB_GET_DEV_PORT_PATH;
3434 break;
3435 case FBSD_LUSB_GET_POWER_USAGE:
3436 args->cmd = USB_GET_POWER_USAGE;
3437 break;
3438 case FBSD_LUSB_DEVICESTATS:
3439 args->cmd = USB_DEVICESTATS;
3440 break;
3441 default:
3442 error = ENOIOCTL;
3443 }
3444 if (error != ENOIOCTL)
3445 error = sys_ioctl(td, (struct ioctl_args *)args);
3446 return (error);
3447 }
3448
3449 /*
3450 * Some evdev ioctls must be translated.
3451 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data
3452 * (must be IOC_INOUT on FreeBSD).
3453 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with
3454 * an int argument. You don't pass an int pointer to the ioctl(), however,
3455 * but just the int directly. On FreeBSD, they are defined as _IOWINT for
3456 * this to work.
3457 */
3458 static int
linux_ioctl_evdev(struct thread * td,struct linux_ioctl_args * args)3459 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args)
3460 {
3461 struct file *fp;
3462 clockid_t clock;
3463 int error;
3464
3465 args->cmd = SETDIR(args->cmd);
3466
3467 switch (args->cmd) {
3468 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN:
3469 args->cmd = EVIOCGRAB;
3470 break;
3471 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN:
3472 args->cmd = EVIOCREVOKE;
3473 break;
3474 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN:
3475 args->cmd = EVIOCRMFF;
3476 break;
3477 case EVIOCSCLOCKID: {
3478 error = copyin(PTRIN(args->arg), &clock, sizeof(clock));
3479 if (error != 0)
3480 return (error);
3481 if (clock & ~(LINUX_IOCTL_EVDEV_CLK))
3482 return (EINVAL);
3483 error = linux_to_native_clockid(&clock, clock);
3484 if (error != 0)
3485 return (error);
3486
3487 error = fget(td, args->fd,
3488 &cap_ioctl_rights, &fp);
3489 if (error != 0)
3490 return (error);
3491
3492 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td);
3493 fdrop(fp, td);
3494 return (error);
3495 }
3496 default:
3497 break;
3498 }
3499
3500 if (IOCBASECMD(args->cmd) ==
3501 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT))
3502 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3503
3504 return (sys_ioctl(td, (struct ioctl_args *)args));
3505 }
3506
3507 static int
linux_ioctl_kcov(struct thread * td,struct linux_ioctl_args * args)3508 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args)
3509 {
3510 int error;
3511
3512 error = 0;
3513 switch (args->cmd & 0xffff) {
3514 case LINUX_KCOV_INIT_TRACE:
3515 args->cmd = KIOSETBUFSIZE;
3516 break;
3517 case LINUX_KCOV_ENABLE:
3518 args->cmd = KIOENABLE;
3519 if (args->arg == 0)
3520 args->arg = KCOV_MODE_TRACE_PC;
3521 else if (args->arg == 1)
3522 args->arg = KCOV_MODE_TRACE_CMP;
3523 else
3524 error = EINVAL;
3525 break;
3526 case LINUX_KCOV_DISABLE:
3527 args->cmd = KIODISABLE;
3528 break;
3529 default:
3530 error = ENOTTY;
3531 break;
3532 }
3533
3534 if (error == 0)
3535 error = sys_ioctl(td, (struct ioctl_args *)args);
3536 return (error);
3537 }
3538
3539 #ifndef COMPAT_LINUX32
3540 static int
linux_ioctl_nvme(struct thread * td,struct linux_ioctl_args * args)3541 linux_ioctl_nvme(struct thread *td, struct linux_ioctl_args *args)
3542 {
3543
3544 /*
3545 * The NVMe drivers for namespace and controller implement these
3546 * commands using their native format. All the others are not
3547 * implemented yet.
3548 */
3549 switch (args->cmd & 0xffff) {
3550 case LINUX_NVME_IOCTL_ID:
3551 args->cmd = NVME_IOCTL_ID;
3552 break;
3553 case LINUX_NVME_IOCTL_RESET:
3554 args->cmd = NVME_IOCTL_RESET;
3555 break;
3556 case LINUX_NVME_IOCTL_ADMIN_CMD:
3557 args->cmd = NVME_IOCTL_ADMIN_CMD;
3558 break;
3559 case LINUX_NVME_IOCTL_IO_CMD:
3560 args->cmd = NVME_IOCTL_IO_CMD;
3561 break;
3562 default:
3563 return (ENODEV);
3564 }
3565 return (sys_ioctl(td, (struct ioctl_args *)args));
3566 }
3567 #endif
3568
3569 /*
3570 * main ioctl syscall function
3571 */
3572
3573 static int
linux_ioctl_fallback(struct thread * td,struct linux_ioctl_args * args)3574 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args)
3575 {
3576 struct file *fp;
3577 struct linux_ioctl_handler_element *he;
3578 int error, cmd;
3579
3580 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
3581 if (error != 0)
3582 return (error);
3583 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3584 fdrop(fp, td);
3585 return (EBADF);
3586 }
3587
3588 /* Iterate over the ioctl handlers */
3589 cmd = args->cmd & 0xffff;
3590 sx_slock(&linux_ioctl_sx);
3591 mtx_lock(&Giant);
3592 #ifdef COMPAT_LINUX32
3593 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3594 if (cmd >= he->low && cmd <= he->high) {
3595 error = (*he->func)(td, args);
3596 if (error != ENOIOCTL) {
3597 mtx_unlock(&Giant);
3598 sx_sunlock(&linux_ioctl_sx);
3599 fdrop(fp, td);
3600 return (error);
3601 }
3602 }
3603 }
3604 #endif
3605 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3606 if (cmd >= he->low && cmd <= he->high) {
3607 error = (*he->func)(td, args);
3608 if (error != ENOIOCTL) {
3609 mtx_unlock(&Giant);
3610 sx_sunlock(&linux_ioctl_sx);
3611 fdrop(fp, td);
3612 return (error);
3613 }
3614 }
3615 }
3616 mtx_unlock(&Giant);
3617 sx_sunlock(&linux_ioctl_sx);
3618 fdrop(fp, td);
3619
3620 switch (args->cmd & 0xffff) {
3621 case LINUX_BTRFS_IOC_CLONE:
3622 case LINUX_F2FS_IOC_GET_FEATURES:
3623 case LINUX_FS_IOC_FIEMAP:
3624 return (ENOTSUP);
3625
3626 default:
3627 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3628 __func__, args->fd, args->cmd,
3629 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3630 break;
3631 }
3632
3633 return (EINVAL);
3634 }
3635
3636 int
linux_ioctl(struct thread * td,struct linux_ioctl_args * args)3637 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3638 {
3639 struct linux_ioctl_handler *handler;
3640 int error, cmd, i;
3641
3642 cmd = args->cmd & 0xffff;
3643
3644 /*
3645 * array of ioctls known at compilation time. Elides a lot of work on
3646 * each call compared to the list variant. Everything frequently used
3647 * should be moved here.
3648 *
3649 * Arguably the magic creating the list should create an array instead.
3650 *
3651 * For now just a linear scan.
3652 */
3653 for (i = 0; i < nitems(linux_ioctls); i++) {
3654 handler = &linux_ioctls[i];
3655 if (cmd >= handler->low && cmd <= handler->high) {
3656 error = (*handler->func)(td, args);
3657 if (error != ENOIOCTL) {
3658 return (error);
3659 }
3660 }
3661 }
3662 return (linux_ioctl_fallback(td, args));
3663 }
3664
3665 int
linux_ioctl_register_handler(struct linux_ioctl_handler * h)3666 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3667 {
3668 struct linux_ioctl_handler_element *he, *cur;
3669
3670 if (h == NULL || h->func == NULL)
3671 return (EINVAL);
3672
3673 /*
3674 * Reuse the element if the handler is already on the list, otherwise
3675 * create a new element.
3676 */
3677 sx_xlock(&linux_ioctl_sx);
3678 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3679 if (he->func == h->func)
3680 break;
3681 }
3682 if (he == NULL) {
3683 he = malloc(sizeof(*he),
3684 M_LINUX, M_WAITOK);
3685 he->func = h->func;
3686 } else
3687 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3688
3689 /* Initialize range information. */
3690 he->low = h->low;
3691 he->high = h->high;
3692 he->span = h->high - h->low + 1;
3693
3694 /* Add the element to the list, sorted on span. */
3695 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) {
3696 if (cur->span > he->span) {
3697 TAILQ_INSERT_BEFORE(cur, he, list);
3698 sx_xunlock(&linux_ioctl_sx);
3699 return (0);
3700 }
3701 }
3702 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list);
3703 sx_xunlock(&linux_ioctl_sx);
3704
3705 return (0);
3706 }
3707
3708 int
linux_ioctl_unregister_handler(struct linux_ioctl_handler * h)3709 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3710 {
3711 struct linux_ioctl_handler_element *he;
3712
3713 if (h == NULL || h->func == NULL)
3714 return (EINVAL);
3715
3716 sx_xlock(&linux_ioctl_sx);
3717 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3718 if (he->func == h->func) {
3719 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3720 sx_xunlock(&linux_ioctl_sx);
3721 free(he, M_LINUX);
3722 return (0);
3723 }
3724 }
3725 sx_xunlock(&linux_ioctl_sx);
3726
3727 return (EINVAL);
3728 }
3729
3730 #ifdef COMPAT_LINUX32
3731 int
linux32_ioctl_register_handler(struct linux_ioctl_handler * h)3732 linux32_ioctl_register_handler(struct linux_ioctl_handler *h)
3733 {
3734 struct linux_ioctl_handler_element *he, *cur;
3735
3736 if (h == NULL || h->func == NULL)
3737 return (EINVAL);
3738
3739 /*
3740 * Reuse the element if the handler is already on the list, otherwise
3741 * create a new element.
3742 */
3743 sx_xlock(&linux_ioctl_sx);
3744 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3745 if (he->func == h->func)
3746 break;
3747 }
3748 if (he == NULL) {
3749 he = malloc(sizeof(*he), M_LINUX, M_WAITOK);
3750 he->func = h->func;
3751 } else
3752 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3753
3754 /* Initialize range information. */
3755 he->low = h->low;
3756 he->high = h->high;
3757 he->span = h->high - h->low + 1;
3758
3759 /* Add the element to the list, sorted on span. */
3760 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) {
3761 if (cur->span > he->span) {
3762 TAILQ_INSERT_BEFORE(cur, he, list);
3763 sx_xunlock(&linux_ioctl_sx);
3764 return (0);
3765 }
3766 }
3767 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list);
3768 sx_xunlock(&linux_ioctl_sx);
3769
3770 return (0);
3771 }
3772
3773 int
linux32_ioctl_unregister_handler(struct linux_ioctl_handler * h)3774 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3775 {
3776 struct linux_ioctl_handler_element *he;
3777
3778 if (h == NULL || h->func == NULL)
3779 return (EINVAL);
3780
3781 sx_xlock(&linux_ioctl_sx);
3782 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3783 if (he->func == h->func) {
3784 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3785 sx_xunlock(&linux_ioctl_sx);
3786 free(he, M_LINUX);
3787 return (0);
3788 }
3789 }
3790 sx_xunlock(&linux_ioctl_sx);
3791
3792 return (EINVAL);
3793 }
3794 #endif
3795