1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1994-1995 Søren Schmidt
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "opt_compat.h"
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: stable/12/sys/compat/linux/linux_ioctl.c 364712 2020-08-24 17:06:34Z trasz $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/sysproto.h>
37 #ifdef COMPAT_LINUX32
38 #include <sys/abi_compat.h>
39 #endif
40 #include <sys/capsicum.h>
41 #include <sys/cdio.h>
42 #include <sys/dvdio.h>
43 #include <sys/conf.h>
44 #include <sys/disk.h>
45 #include <sys/consio.h>
46 #include <sys/ctype.h>
47 #include <sys/fcntl.h>
48 #include <sys/file.h>
49 #include <sys/filedesc.h>
50 #include <sys/filio.h>
51 #include <sys/jail.h>
52 #include <sys/kbio.h>
53 #include <sys/kernel.h>
54 #include <sys/linker_set.h>
55 #include <sys/lock.h>
56 #include <sys/malloc.h>
57 #include <sys/proc.h>
58 #include <sys/sbuf.h>
59 #include <sys/socket.h>
60 #include <sys/sockio.h>
61 #include <sys/soundcard.h>
62 #include <sys/stdint.h>
63 #include <sys/sx.h>
64 #include <sys/sysctl.h>
65 #include <sys/tty.h>
66 #include <sys/uio.h>
67 #include <sys/types.h>
68 #include <sys/mman.h>
69 #include <sys/resourcevar.h>
70
71 #include <net/if.h>
72 #include <net/if_var.h>
73 #include <net/if_dl.h>
74 #include <net/if_types.h>
75
76 #include <dev/evdev/input.h>
77 #include <dev/usb/usb_ioctl.h>
78
79 #ifdef COMPAT_LINUX32
80 #include <machine/../linux32/linux.h>
81 #include <machine/../linux32/linux32_proto.h>
82 #else
83 #include <machine/../linux/linux.h>
84 #include <machine/../linux/linux_proto.h>
85 #endif
86
87 #include <compat/linux/linux_common.h>
88 #include <compat/linux/linux_ioctl.h>
89 #include <compat/linux/linux_mib.h>
90 #include <compat/linux/linux_socket.h>
91 #include <compat/linux/linux_timer.h>
92 #include <compat/linux/linux_util.h>
93
94 #include <contrib/v4l/videodev.h>
95 #include <compat/linux/linux_videodev_compat.h>
96
97 #include <contrib/v4l/videodev2.h>
98 #include <compat/linux/linux_videodev2_compat.h>
99
100 #include <cam/scsi/scsi_sg.h>
101
102 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
103
104 static linux_ioctl_function_t linux_ioctl_cdrom;
105 static linux_ioctl_function_t linux_ioctl_vfat;
106 static linux_ioctl_function_t linux_ioctl_console;
107 static linux_ioctl_function_t linux_ioctl_hdio;
108 static linux_ioctl_function_t linux_ioctl_disk;
109 static linux_ioctl_function_t linux_ioctl_socket;
110 static linux_ioctl_function_t linux_ioctl_sound;
111 static linux_ioctl_function_t linux_ioctl_termio;
112 static linux_ioctl_function_t linux_ioctl_private;
113 static linux_ioctl_function_t linux_ioctl_drm;
114 static linux_ioctl_function_t linux_ioctl_sg;
115 static linux_ioctl_function_t linux_ioctl_v4l;
116 static linux_ioctl_function_t linux_ioctl_v4l2;
117 static linux_ioctl_function_t linux_ioctl_special;
118 static linux_ioctl_function_t linux_ioctl_fbsd_usb;
119 static linux_ioctl_function_t linux_ioctl_evdev;
120
121 static struct linux_ioctl_handler cdrom_handler =
122 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
123 static struct linux_ioctl_handler vfat_handler =
124 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
125 static struct linux_ioctl_handler console_handler =
126 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
127 static struct linux_ioctl_handler hdio_handler =
128 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
129 static struct linux_ioctl_handler disk_handler =
130 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
131 static struct linux_ioctl_handler socket_handler =
132 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
133 static struct linux_ioctl_handler sound_handler =
134 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
135 static struct linux_ioctl_handler termio_handler =
136 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
137 static struct linux_ioctl_handler private_handler =
138 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
139 static struct linux_ioctl_handler drm_handler =
140 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
141 static struct linux_ioctl_handler sg_handler =
142 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
143 static struct linux_ioctl_handler video_handler =
144 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX };
145 static struct linux_ioctl_handler video2_handler =
146 { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX };
147 static struct linux_ioctl_handler fbsd_usb =
148 { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX };
149 static struct linux_ioctl_handler evdev_handler =
150 { linux_ioctl_evdev, LINUX_IOCTL_EVDEV_MIN, LINUX_IOCTL_EVDEV_MAX };
151
152 DATA_SET(linux_ioctl_handler_set, cdrom_handler);
153 DATA_SET(linux_ioctl_handler_set, vfat_handler);
154 DATA_SET(linux_ioctl_handler_set, console_handler);
155 DATA_SET(linux_ioctl_handler_set, hdio_handler);
156 DATA_SET(linux_ioctl_handler_set, disk_handler);
157 DATA_SET(linux_ioctl_handler_set, socket_handler);
158 DATA_SET(linux_ioctl_handler_set, sound_handler);
159 DATA_SET(linux_ioctl_handler_set, termio_handler);
160 DATA_SET(linux_ioctl_handler_set, private_handler);
161 DATA_SET(linux_ioctl_handler_set, drm_handler);
162 DATA_SET(linux_ioctl_handler_set, sg_handler);
163 DATA_SET(linux_ioctl_handler_set, video_handler);
164 DATA_SET(linux_ioctl_handler_set, video2_handler);
165 DATA_SET(linux_ioctl_handler_set, fbsd_usb);
166 DATA_SET(linux_ioctl_handler_set, evdev_handler);
167
168 #ifdef __i386__
169 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers =
170 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers);
171 static struct sx linux_ioctl_sx;
172 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers");
173 #else
174 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers;
175 extern struct sx linux_ioctl_sx;
176 #endif
177 #ifdef COMPAT_LINUX32
178 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers =
179 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers);
180 #endif
181
182 /*
183 * hdio related ioctls for VMWare support
184 */
185
186 struct linux_hd_geometry {
187 u_int8_t heads;
188 u_int8_t sectors;
189 u_int16_t cylinders;
190 u_int32_t start;
191 };
192
193 struct linux_hd_big_geometry {
194 u_int8_t heads;
195 u_int8_t sectors;
196 u_int32_t cylinders;
197 u_int32_t start;
198 };
199
200 static int
linux_ioctl_hdio(struct thread * td,struct linux_ioctl_args * args)201 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
202 {
203 struct file *fp;
204 int error;
205 u_int sectorsize, fwcylinders, fwheads, fwsectors;
206 off_t mediasize, bytespercyl;
207
208 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
209 if (error != 0)
210 return (error);
211 switch (args->cmd & 0xffff) {
212 case LINUX_HDIO_GET_GEO:
213 case LINUX_HDIO_GET_GEO_BIG:
214 error = fo_ioctl(fp, DIOCGMEDIASIZE,
215 (caddr_t)&mediasize, td->td_ucred, td);
216 if (!error)
217 error = fo_ioctl(fp, DIOCGSECTORSIZE,
218 (caddr_t)§orsize, td->td_ucred, td);
219 if (!error)
220 error = fo_ioctl(fp, DIOCGFWHEADS,
221 (caddr_t)&fwheads, td->td_ucred, td);
222 if (!error)
223 error = fo_ioctl(fp, DIOCGFWSECTORS,
224 (caddr_t)&fwsectors, td->td_ucred, td);
225 /*
226 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
227 * so pretend that GEOM always says 0. This is NOT VALID
228 * for slices or partitions, only the per-disk raw devices.
229 */
230
231 fdrop(fp, td);
232 if (error)
233 return (error);
234 /*
235 * 1. Calculate the number of bytes in a cylinder,
236 * given the firmware's notion of heads and sectors
237 * per cylinder.
238 * 2. Calculate the number of cylinders, given the total
239 * size of the media.
240 * All internal calculations should have 64-bit precision.
241 */
242 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
243 fwcylinders = mediasize / bytespercyl;
244
245 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
246 struct linux_hd_geometry hdg;
247
248 hdg.cylinders = fwcylinders;
249 hdg.heads = fwheads;
250 hdg.sectors = fwsectors;
251 hdg.start = 0;
252 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
253 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
254 struct linux_hd_big_geometry hdbg;
255
256 memset(&hdbg, 0, sizeof(hdbg));
257 hdbg.cylinders = fwcylinders;
258 hdbg.heads = fwheads;
259 hdbg.sectors = fwsectors;
260 hdbg.start = 0;
261 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
262 }
263 return (error);
264 break;
265 default:
266 /* XXX */
267 linux_msg(td,
268 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
269 args->fd, (int)(args->cmd & 0xffff),
270 (int)(args->cmd & 0xff00) >> 8,
271 (int)(args->cmd & 0xff));
272 break;
273 }
274 fdrop(fp, td);
275 return (ENOIOCTL);
276 }
277
278 static int
linux_ioctl_disk(struct thread * td,struct linux_ioctl_args * args)279 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
280 {
281 struct file *fp;
282 int error;
283 u_int sectorsize, psectorsize;
284 uint64_t blksize64;
285 off_t mediasize, stripesize;
286
287 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
288 if (error != 0)
289 return (error);
290 switch (args->cmd & 0xffff) {
291 case LINUX_BLKGETSIZE:
292 error = fo_ioctl(fp, DIOCGSECTORSIZE,
293 (caddr_t)§orsize, td->td_ucred, td);
294 if (!error)
295 error = fo_ioctl(fp, DIOCGMEDIASIZE,
296 (caddr_t)&mediasize, td->td_ucred, td);
297 fdrop(fp, td);
298 if (error)
299 return (error);
300 sectorsize = mediasize / sectorsize;
301 /*
302 * XXX: How do we know we return the right size of integer ?
303 */
304 return (copyout(§orsize, (void *)args->arg,
305 sizeof(sectorsize)));
306 break;
307 case LINUX_BLKGETSIZE64:
308 error = fo_ioctl(fp, DIOCGMEDIASIZE,
309 (caddr_t)&mediasize, td->td_ucred, td);
310 fdrop(fp, td);
311 if (error)
312 return (error);
313 blksize64 = mediasize;;
314 return (copyout(&blksize64, (void *)args->arg,
315 sizeof(blksize64)));
316 case LINUX_BLKSSZGET:
317 error = fo_ioctl(fp, DIOCGSECTORSIZE,
318 (caddr_t)§orsize, td->td_ucred, td);
319 fdrop(fp, td);
320 if (error)
321 return (error);
322 return (copyout(§orsize, (void *)args->arg,
323 sizeof(sectorsize)));
324 break;
325 case LINUX_BLKPBSZGET:
326 error = fo_ioctl(fp, DIOCGSTRIPESIZE,
327 (caddr_t)&stripesize, td->td_ucred, td);
328 if (error != 0) {
329 fdrop(fp, td);
330 return (error);
331 }
332 if (stripesize > 0 && stripesize <= 4096) {
333 psectorsize = stripesize;
334 } else {
335 error = fo_ioctl(fp, DIOCGSECTORSIZE,
336 (caddr_t)§orsize, td->td_ucred, td);
337 if (error != 0) {
338 fdrop(fp, td);
339 return (error);
340 }
341 psectorsize = sectorsize;
342 }
343 fdrop(fp, td);
344 return (copyout(&psectorsize, (void *)args->arg,
345 sizeof(psectorsize)));
346 }
347 fdrop(fp, td);
348 return (ENOIOCTL);
349 }
350
351 /*
352 * termio related ioctls
353 */
354
355 struct linux_termio {
356 unsigned short c_iflag;
357 unsigned short c_oflag;
358 unsigned short c_cflag;
359 unsigned short c_lflag;
360 unsigned char c_line;
361 unsigned char c_cc[LINUX_NCC];
362 };
363
364 struct linux_termios {
365 unsigned int c_iflag;
366 unsigned int c_oflag;
367 unsigned int c_cflag;
368 unsigned int c_lflag;
369 unsigned char c_line;
370 unsigned char c_cc[LINUX_NCCS];
371 };
372
373 struct linux_winsize {
374 unsigned short ws_row, ws_col;
375 unsigned short ws_xpixel, ws_ypixel;
376 };
377
378 struct speedtab {
379 int sp_speed; /* Speed. */
380 int sp_code; /* Code. */
381 };
382
383 static struct speedtab sptab[] = {
384 { B0, LINUX_B0 }, { B50, LINUX_B50 },
385 { B75, LINUX_B75 }, { B110, LINUX_B110 },
386 { B134, LINUX_B134 }, { B150, LINUX_B150 },
387 { B200, LINUX_B200 }, { B300, LINUX_B300 },
388 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
389 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
390 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
391 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
392 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
393 {-1, -1 }
394 };
395
396 struct linux_serial_struct {
397 int type;
398 int line;
399 int port;
400 int irq;
401 int flags;
402 int xmit_fifo_size;
403 int custom_divisor;
404 int baud_base;
405 unsigned short close_delay;
406 char reserved_char[2];
407 int hub6;
408 unsigned short closing_wait;
409 unsigned short closing_wait2;
410 int reserved[4];
411 };
412
413 static int
linux_to_bsd_speed(int code,struct speedtab * table)414 linux_to_bsd_speed(int code, struct speedtab *table)
415 {
416 for ( ; table->sp_code != -1; table++)
417 if (table->sp_code == code)
418 return (table->sp_speed);
419 return (-1);
420 }
421
422 static int
bsd_to_linux_speed(int speed,struct speedtab * table)423 bsd_to_linux_speed(int speed, struct speedtab *table)
424 {
425 for ( ; table->sp_speed != -1; table++)
426 if (table->sp_speed == speed)
427 return (table->sp_code);
428 return (-1);
429 }
430
431 static void
bsd_to_linux_termios(struct termios * bios,struct linux_termios * lios)432 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
433 {
434 int i;
435
436 lios->c_iflag = 0;
437 if (bios->c_iflag & IGNBRK)
438 lios->c_iflag |= LINUX_IGNBRK;
439 if (bios->c_iflag & BRKINT)
440 lios->c_iflag |= LINUX_BRKINT;
441 if (bios->c_iflag & IGNPAR)
442 lios->c_iflag |= LINUX_IGNPAR;
443 if (bios->c_iflag & PARMRK)
444 lios->c_iflag |= LINUX_PARMRK;
445 if (bios->c_iflag & INPCK)
446 lios->c_iflag |= LINUX_INPCK;
447 if (bios->c_iflag & ISTRIP)
448 lios->c_iflag |= LINUX_ISTRIP;
449 if (bios->c_iflag & INLCR)
450 lios->c_iflag |= LINUX_INLCR;
451 if (bios->c_iflag & IGNCR)
452 lios->c_iflag |= LINUX_IGNCR;
453 if (bios->c_iflag & ICRNL)
454 lios->c_iflag |= LINUX_ICRNL;
455 if (bios->c_iflag & IXON)
456 lios->c_iflag |= LINUX_IXON;
457 if (bios->c_iflag & IXANY)
458 lios->c_iflag |= LINUX_IXANY;
459 if (bios->c_iflag & IXOFF)
460 lios->c_iflag |= LINUX_IXOFF;
461 if (bios->c_iflag & IMAXBEL)
462 lios->c_iflag |= LINUX_IMAXBEL;
463
464 lios->c_oflag = 0;
465 if (bios->c_oflag & OPOST)
466 lios->c_oflag |= LINUX_OPOST;
467 if (bios->c_oflag & ONLCR)
468 lios->c_oflag |= LINUX_ONLCR;
469 if (bios->c_oflag & TAB3)
470 lios->c_oflag |= LINUX_XTABS;
471
472 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
473 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
474 if (bios->c_cflag & CSTOPB)
475 lios->c_cflag |= LINUX_CSTOPB;
476 if (bios->c_cflag & CREAD)
477 lios->c_cflag |= LINUX_CREAD;
478 if (bios->c_cflag & PARENB)
479 lios->c_cflag |= LINUX_PARENB;
480 if (bios->c_cflag & PARODD)
481 lios->c_cflag |= LINUX_PARODD;
482 if (bios->c_cflag & HUPCL)
483 lios->c_cflag |= LINUX_HUPCL;
484 if (bios->c_cflag & CLOCAL)
485 lios->c_cflag |= LINUX_CLOCAL;
486 if (bios->c_cflag & CRTSCTS)
487 lios->c_cflag |= LINUX_CRTSCTS;
488
489 lios->c_lflag = 0;
490 if (bios->c_lflag & ISIG)
491 lios->c_lflag |= LINUX_ISIG;
492 if (bios->c_lflag & ICANON)
493 lios->c_lflag |= LINUX_ICANON;
494 if (bios->c_lflag & ECHO)
495 lios->c_lflag |= LINUX_ECHO;
496 if (bios->c_lflag & ECHOE)
497 lios->c_lflag |= LINUX_ECHOE;
498 if (bios->c_lflag & ECHOK)
499 lios->c_lflag |= LINUX_ECHOK;
500 if (bios->c_lflag & ECHONL)
501 lios->c_lflag |= LINUX_ECHONL;
502 if (bios->c_lflag & NOFLSH)
503 lios->c_lflag |= LINUX_NOFLSH;
504 if (bios->c_lflag & TOSTOP)
505 lios->c_lflag |= LINUX_TOSTOP;
506 if (bios->c_lflag & ECHOCTL)
507 lios->c_lflag |= LINUX_ECHOCTL;
508 if (bios->c_lflag & ECHOPRT)
509 lios->c_lflag |= LINUX_ECHOPRT;
510 if (bios->c_lflag & ECHOKE)
511 lios->c_lflag |= LINUX_ECHOKE;
512 if (bios->c_lflag & FLUSHO)
513 lios->c_lflag |= LINUX_FLUSHO;
514 if (bios->c_lflag & PENDIN)
515 lios->c_lflag |= LINUX_PENDIN;
516 if (bios->c_lflag & IEXTEN)
517 lios->c_lflag |= LINUX_IEXTEN;
518
519 for (i=0; i<LINUX_NCCS; i++)
520 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
521 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
522 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
523 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
524 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
525 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
526 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
527 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
528 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
529 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
530 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
531 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
532 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
533 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
534 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
535 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
536 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
537 if (linux_preserve_vstatus)
538 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS];
539
540 for (i=0; i<LINUX_NCCS; i++) {
541 if (i != LINUX_VMIN && i != LINUX_VTIME &&
542 lios->c_cc[i] == _POSIX_VDISABLE)
543 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
544 }
545 lios->c_line = 0;
546 }
547
548 static void
linux_to_bsd_termios(struct linux_termios * lios,struct termios * bios)549 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
550 {
551 int i;
552
553 bios->c_iflag = 0;
554 if (lios->c_iflag & LINUX_IGNBRK)
555 bios->c_iflag |= IGNBRK;
556 if (lios->c_iflag & LINUX_BRKINT)
557 bios->c_iflag |= BRKINT;
558 if (lios->c_iflag & LINUX_IGNPAR)
559 bios->c_iflag |= IGNPAR;
560 if (lios->c_iflag & LINUX_PARMRK)
561 bios->c_iflag |= PARMRK;
562 if (lios->c_iflag & LINUX_INPCK)
563 bios->c_iflag |= INPCK;
564 if (lios->c_iflag & LINUX_ISTRIP)
565 bios->c_iflag |= ISTRIP;
566 if (lios->c_iflag & LINUX_INLCR)
567 bios->c_iflag |= INLCR;
568 if (lios->c_iflag & LINUX_IGNCR)
569 bios->c_iflag |= IGNCR;
570 if (lios->c_iflag & LINUX_ICRNL)
571 bios->c_iflag |= ICRNL;
572 if (lios->c_iflag & LINUX_IXON)
573 bios->c_iflag |= IXON;
574 if (lios->c_iflag & LINUX_IXANY)
575 bios->c_iflag |= IXANY;
576 if (lios->c_iflag & LINUX_IXOFF)
577 bios->c_iflag |= IXOFF;
578 if (lios->c_iflag & LINUX_IMAXBEL)
579 bios->c_iflag |= IMAXBEL;
580
581 bios->c_oflag = 0;
582 if (lios->c_oflag & LINUX_OPOST)
583 bios->c_oflag |= OPOST;
584 if (lios->c_oflag & LINUX_ONLCR)
585 bios->c_oflag |= ONLCR;
586 if (lios->c_oflag & LINUX_XTABS)
587 bios->c_oflag |= TAB3;
588
589 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
590 if (lios->c_cflag & LINUX_CSTOPB)
591 bios->c_cflag |= CSTOPB;
592 if (lios->c_cflag & LINUX_CREAD)
593 bios->c_cflag |= CREAD;
594 if (lios->c_cflag & LINUX_PARENB)
595 bios->c_cflag |= PARENB;
596 if (lios->c_cflag & LINUX_PARODD)
597 bios->c_cflag |= PARODD;
598 if (lios->c_cflag & LINUX_HUPCL)
599 bios->c_cflag |= HUPCL;
600 if (lios->c_cflag & LINUX_CLOCAL)
601 bios->c_cflag |= CLOCAL;
602 if (lios->c_cflag & LINUX_CRTSCTS)
603 bios->c_cflag |= CRTSCTS;
604
605 bios->c_lflag = 0;
606 if (lios->c_lflag & LINUX_ISIG)
607 bios->c_lflag |= ISIG;
608 if (lios->c_lflag & LINUX_ICANON)
609 bios->c_lflag |= ICANON;
610 if (lios->c_lflag & LINUX_ECHO)
611 bios->c_lflag |= ECHO;
612 if (lios->c_lflag & LINUX_ECHOE)
613 bios->c_lflag |= ECHOE;
614 if (lios->c_lflag & LINUX_ECHOK)
615 bios->c_lflag |= ECHOK;
616 if (lios->c_lflag & LINUX_ECHONL)
617 bios->c_lflag |= ECHONL;
618 if (lios->c_lflag & LINUX_NOFLSH)
619 bios->c_lflag |= NOFLSH;
620 if (lios->c_lflag & LINUX_TOSTOP)
621 bios->c_lflag |= TOSTOP;
622 if (lios->c_lflag & LINUX_ECHOCTL)
623 bios->c_lflag |= ECHOCTL;
624 if (lios->c_lflag & LINUX_ECHOPRT)
625 bios->c_lflag |= ECHOPRT;
626 if (lios->c_lflag & LINUX_ECHOKE)
627 bios->c_lflag |= ECHOKE;
628 if (lios->c_lflag & LINUX_FLUSHO)
629 bios->c_lflag |= FLUSHO;
630 if (lios->c_lflag & LINUX_PENDIN)
631 bios->c_lflag |= PENDIN;
632 if (lios->c_lflag & LINUX_IEXTEN)
633 bios->c_lflag |= IEXTEN;
634
635 for (i=0; i<NCCS; i++)
636 bios->c_cc[i] = _POSIX_VDISABLE;
637 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
638 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
639 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
640 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
641 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
642 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
643 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
644 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
645 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
646 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
647 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
648 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
649 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
650 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
651 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
652 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
653 if (linux_preserve_vstatus)
654 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS];
655
656 for (i=0; i<NCCS; i++) {
657 if (i != VMIN && i != VTIME &&
658 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
659 bios->c_cc[i] = _POSIX_VDISABLE;
660 }
661
662 bios->c_ispeed = bios->c_ospeed =
663 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
664 }
665
666 static void
bsd_to_linux_termio(struct termios * bios,struct linux_termio * lio)667 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
668 {
669 struct linux_termios lios;
670
671 memset(lio, 0, sizeof(*lio));
672 bsd_to_linux_termios(bios, &lios);
673 lio->c_iflag = lios.c_iflag;
674 lio->c_oflag = lios.c_oflag;
675 lio->c_cflag = lios.c_cflag;
676 lio->c_lflag = lios.c_lflag;
677 lio->c_line = lios.c_line;
678 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
679 }
680
681 static void
linux_to_bsd_termio(struct linux_termio * lio,struct termios * bios)682 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
683 {
684 struct linux_termios lios;
685 int i;
686
687 lios.c_iflag = lio->c_iflag;
688 lios.c_oflag = lio->c_oflag;
689 lios.c_cflag = lio->c_cflag;
690 lios.c_lflag = lio->c_lflag;
691 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
692 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
693 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
694 linux_to_bsd_termios(&lios, bios);
695 }
696
697 static int
linux_ioctl_termio(struct thread * td,struct linux_ioctl_args * args)698 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
699 {
700 struct termios bios;
701 struct linux_termios lios;
702 struct linux_termio lio;
703 struct file *fp;
704 int error;
705
706 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
707 if (error != 0)
708 return (error);
709
710 switch (args->cmd & 0xffff) {
711
712 case LINUX_TCGETS:
713 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
714 td);
715 if (error)
716 break;
717 bsd_to_linux_termios(&bios, &lios);
718 error = copyout(&lios, (void *)args->arg, sizeof(lios));
719 break;
720
721 case LINUX_TCSETS:
722 error = copyin((void *)args->arg, &lios, sizeof(lios));
723 if (error)
724 break;
725 linux_to_bsd_termios(&lios, &bios);
726 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
727 td));
728 break;
729
730 case LINUX_TCSETSW:
731 error = copyin((void *)args->arg, &lios, sizeof(lios));
732 if (error)
733 break;
734 linux_to_bsd_termios(&lios, &bios);
735 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
736 td));
737 break;
738
739 case LINUX_TCSETSF:
740 error = copyin((void *)args->arg, &lios, sizeof(lios));
741 if (error)
742 break;
743 linux_to_bsd_termios(&lios, &bios);
744 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
745 td));
746 break;
747
748 case LINUX_TCGETA:
749 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
750 td);
751 if (error)
752 break;
753 bsd_to_linux_termio(&bios, &lio);
754 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
755 break;
756
757 case LINUX_TCSETA:
758 error = copyin((void *)args->arg, &lio, sizeof(lio));
759 if (error)
760 break;
761 linux_to_bsd_termio(&lio, &bios);
762 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
763 td));
764 break;
765
766 case LINUX_TCSETAW:
767 error = copyin((void *)args->arg, &lio, sizeof(lio));
768 if (error)
769 break;
770 linux_to_bsd_termio(&lio, &bios);
771 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
772 td));
773 break;
774
775 case LINUX_TCSETAF:
776 error = copyin((void *)args->arg, &lio, sizeof(lio));
777 if (error)
778 break;
779 linux_to_bsd_termio(&lio, &bios);
780 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
781 td));
782 break;
783
784 /* LINUX_TCSBRK */
785
786 case LINUX_TCXONC: {
787 switch (args->arg) {
788 case LINUX_TCOOFF:
789 args->cmd = TIOCSTOP;
790 break;
791 case LINUX_TCOON:
792 args->cmd = TIOCSTART;
793 break;
794 case LINUX_TCIOFF:
795 case LINUX_TCION: {
796 int c;
797 struct write_args wr;
798 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
799 td->td_ucred, td);
800 if (error)
801 break;
802 fdrop(fp, td);
803 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
804 c = bios.c_cc[c];
805 if (c != _POSIX_VDISABLE) {
806 wr.fd = args->fd;
807 wr.buf = &c;
808 wr.nbyte = sizeof(c);
809 return (sys_write(td, &wr));
810 } else
811 return (0);
812 }
813 default:
814 fdrop(fp, td);
815 return (EINVAL);
816 }
817 args->arg = 0;
818 error = (sys_ioctl(td, (struct ioctl_args *)args));
819 break;
820 }
821
822 case LINUX_TCFLSH: {
823 int val;
824 switch (args->arg) {
825 case LINUX_TCIFLUSH:
826 val = FREAD;
827 break;
828 case LINUX_TCOFLUSH:
829 val = FWRITE;
830 break;
831 case LINUX_TCIOFLUSH:
832 val = FREAD | FWRITE;
833 break;
834 default:
835 fdrop(fp, td);
836 return (EINVAL);
837 }
838 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
839 break;
840 }
841
842 case LINUX_TIOCEXCL:
843 args->cmd = TIOCEXCL;
844 error = (sys_ioctl(td, (struct ioctl_args *)args));
845 break;
846
847 case LINUX_TIOCNXCL:
848 args->cmd = TIOCNXCL;
849 error = (sys_ioctl(td, (struct ioctl_args *)args));
850 break;
851
852 case LINUX_TIOCSCTTY:
853 args->cmd = TIOCSCTTY;
854 error = (sys_ioctl(td, (struct ioctl_args *)args));
855 break;
856
857 case LINUX_TIOCGPGRP:
858 args->cmd = TIOCGPGRP;
859 error = (sys_ioctl(td, (struct ioctl_args *)args));
860 break;
861
862 case LINUX_TIOCSPGRP:
863 args->cmd = TIOCSPGRP;
864 error = (sys_ioctl(td, (struct ioctl_args *)args));
865 break;
866
867 /* LINUX_TIOCOUTQ */
868 /* LINUX_TIOCSTI */
869
870 case LINUX_TIOCGWINSZ:
871 args->cmd = TIOCGWINSZ;
872 error = (sys_ioctl(td, (struct ioctl_args *)args));
873 break;
874
875 case LINUX_TIOCSWINSZ:
876 args->cmd = TIOCSWINSZ;
877 error = (sys_ioctl(td, (struct ioctl_args *)args));
878 break;
879
880 case LINUX_TIOCMGET:
881 args->cmd = TIOCMGET;
882 error = (sys_ioctl(td, (struct ioctl_args *)args));
883 break;
884
885 case LINUX_TIOCMBIS:
886 args->cmd = TIOCMBIS;
887 error = (sys_ioctl(td, (struct ioctl_args *)args));
888 break;
889
890 case LINUX_TIOCMBIC:
891 args->cmd = TIOCMBIC;
892 error = (sys_ioctl(td, (struct ioctl_args *)args));
893 break;
894
895 case LINUX_TIOCMSET:
896 args->cmd = TIOCMSET;
897 error = (sys_ioctl(td, (struct ioctl_args *)args));
898 break;
899
900 /* TIOCGSOFTCAR */
901 /* TIOCSSOFTCAR */
902
903 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
904 args->cmd = FIONREAD;
905 error = (sys_ioctl(td, (struct ioctl_args *)args));
906 break;
907
908 /* LINUX_TIOCLINUX */
909
910 case LINUX_TIOCCONS:
911 args->cmd = TIOCCONS;
912 error = (sys_ioctl(td, (struct ioctl_args *)args));
913 break;
914
915 case LINUX_TIOCGSERIAL: {
916 struct linux_serial_struct lss;
917
918 bzero(&lss, sizeof(lss));
919 lss.type = LINUX_PORT_16550A;
920 lss.flags = 0;
921 lss.close_delay = 0;
922 error = copyout(&lss, (void *)args->arg, sizeof(lss));
923 break;
924 }
925
926 case LINUX_TIOCSSERIAL: {
927 struct linux_serial_struct lss;
928 error = copyin((void *)args->arg, &lss, sizeof(lss));
929 if (error)
930 break;
931 /* XXX - It really helps to have an implementation that
932 * does nothing. NOT!
933 */
934 error = 0;
935 break;
936 }
937
938 case LINUX_TIOCPKT:
939 args->cmd = TIOCPKT;
940 error = (sys_ioctl(td, (struct ioctl_args *)args));
941 break;
942
943 case LINUX_FIONBIO:
944 args->cmd = FIONBIO;
945 error = (sys_ioctl(td, (struct ioctl_args *)args));
946 break;
947
948 case LINUX_TIOCNOTTY:
949 args->cmd = TIOCNOTTY;
950 error = (sys_ioctl(td, (struct ioctl_args *)args));
951 break;
952
953 case LINUX_TIOCSETD: {
954 int line;
955 switch (args->arg) {
956 case LINUX_N_TTY:
957 line = TTYDISC;
958 break;
959 case LINUX_N_SLIP:
960 line = SLIPDISC;
961 break;
962 case LINUX_N_PPP:
963 line = PPPDISC;
964 break;
965 default:
966 fdrop(fp, td);
967 return (EINVAL);
968 }
969 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
970 td));
971 break;
972 }
973
974 case LINUX_TIOCGETD: {
975 int linux_line;
976 int bsd_line = TTYDISC;
977 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
978 td->td_ucred, td);
979 if (error)
980 break;
981 switch (bsd_line) {
982 case TTYDISC:
983 linux_line = LINUX_N_TTY;
984 break;
985 case SLIPDISC:
986 linux_line = LINUX_N_SLIP;
987 break;
988 case PPPDISC:
989 linux_line = LINUX_N_PPP;
990 break;
991 default:
992 fdrop(fp, td);
993 return (EINVAL);
994 }
995 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
996 break;
997 }
998
999 /* LINUX_TCSBRKP */
1000 /* LINUX_TIOCTTYGSTRUCT */
1001
1002 case LINUX_FIONCLEX:
1003 args->cmd = FIONCLEX;
1004 error = (sys_ioctl(td, (struct ioctl_args *)args));
1005 break;
1006
1007 case LINUX_FIOCLEX:
1008 args->cmd = FIOCLEX;
1009 error = (sys_ioctl(td, (struct ioctl_args *)args));
1010 break;
1011
1012 case LINUX_FIOASYNC:
1013 args->cmd = FIOASYNC;
1014 error = (sys_ioctl(td, (struct ioctl_args *)args));
1015 break;
1016
1017 /* LINUX_TIOCSERCONFIG */
1018 /* LINUX_TIOCSERGWILD */
1019 /* LINUX_TIOCSERSWILD */
1020 /* LINUX_TIOCGLCKTRMIOS */
1021 /* LINUX_TIOCSLCKTRMIOS */
1022
1023 case LINUX_TIOCSBRK:
1024 args->cmd = TIOCSBRK;
1025 error = (sys_ioctl(td, (struct ioctl_args *)args));
1026 break;
1027
1028 case LINUX_TIOCCBRK:
1029 args->cmd = TIOCCBRK;
1030 error = (sys_ioctl(td, (struct ioctl_args *)args));
1031 break;
1032 case LINUX_TIOCGPTN: {
1033 int nb;
1034
1035 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1036 if (!error)
1037 error = copyout(&nb, (void *)args->arg,
1038 sizeof(int));
1039 break;
1040 }
1041 case LINUX_TIOCSPTLCK:
1042 /* Our unlockpt() does nothing. */
1043 error = 0;
1044 break;
1045 default:
1046 error = ENOIOCTL;
1047 break;
1048 }
1049
1050 fdrop(fp, td);
1051 return (error);
1052 }
1053
1054 /*
1055 * CDROM related ioctls
1056 */
1057
1058 struct linux_cdrom_msf
1059 {
1060 u_char cdmsf_min0;
1061 u_char cdmsf_sec0;
1062 u_char cdmsf_frame0;
1063 u_char cdmsf_min1;
1064 u_char cdmsf_sec1;
1065 u_char cdmsf_frame1;
1066 };
1067
1068 struct linux_cdrom_tochdr
1069 {
1070 u_char cdth_trk0;
1071 u_char cdth_trk1;
1072 };
1073
1074 union linux_cdrom_addr
1075 {
1076 struct {
1077 u_char minute;
1078 u_char second;
1079 u_char frame;
1080 } msf;
1081 int lba;
1082 };
1083
1084 struct linux_cdrom_tocentry
1085 {
1086 u_char cdte_track;
1087 u_char cdte_adr:4;
1088 u_char cdte_ctrl:4;
1089 u_char cdte_format;
1090 union linux_cdrom_addr cdte_addr;
1091 u_char cdte_datamode;
1092 };
1093
1094 struct linux_cdrom_subchnl
1095 {
1096 u_char cdsc_format;
1097 u_char cdsc_audiostatus;
1098 u_char cdsc_adr:4;
1099 u_char cdsc_ctrl:4;
1100 u_char cdsc_trk;
1101 u_char cdsc_ind;
1102 union linux_cdrom_addr cdsc_absaddr;
1103 union linux_cdrom_addr cdsc_reladdr;
1104 };
1105
1106 struct l_cdrom_read_audio {
1107 union linux_cdrom_addr addr;
1108 u_char addr_format;
1109 l_int nframes;
1110 u_char *buf;
1111 };
1112
1113 struct l_dvd_layer {
1114 u_char book_version:4;
1115 u_char book_type:4;
1116 u_char min_rate:4;
1117 u_char disc_size:4;
1118 u_char layer_type:4;
1119 u_char track_path:1;
1120 u_char nlayers:2;
1121 u_char track_density:4;
1122 u_char linear_density:4;
1123 u_char bca:1;
1124 u_int32_t start_sector;
1125 u_int32_t end_sector;
1126 u_int32_t end_sector_l0;
1127 };
1128
1129 struct l_dvd_physical {
1130 u_char type;
1131 u_char layer_num;
1132 struct l_dvd_layer layer[4];
1133 };
1134
1135 struct l_dvd_copyright {
1136 u_char type;
1137 u_char layer_num;
1138 u_char cpst;
1139 u_char rmi;
1140 };
1141
1142 struct l_dvd_disckey {
1143 u_char type;
1144 l_uint agid:2;
1145 u_char value[2048];
1146 };
1147
1148 struct l_dvd_bca {
1149 u_char type;
1150 l_int len;
1151 u_char value[188];
1152 };
1153
1154 struct l_dvd_manufact {
1155 u_char type;
1156 u_char layer_num;
1157 l_int len;
1158 u_char value[2048];
1159 };
1160
1161 typedef union {
1162 u_char type;
1163 struct l_dvd_physical physical;
1164 struct l_dvd_copyright copyright;
1165 struct l_dvd_disckey disckey;
1166 struct l_dvd_bca bca;
1167 struct l_dvd_manufact manufact;
1168 } l_dvd_struct;
1169
1170 typedef u_char l_dvd_key[5];
1171 typedef u_char l_dvd_challenge[10];
1172
1173 struct l_dvd_lu_send_agid {
1174 u_char type;
1175 l_uint agid:2;
1176 };
1177
1178 struct l_dvd_host_send_challenge {
1179 u_char type;
1180 l_uint agid:2;
1181 l_dvd_challenge chal;
1182 };
1183
1184 struct l_dvd_send_key {
1185 u_char type;
1186 l_uint agid:2;
1187 l_dvd_key key;
1188 };
1189
1190 struct l_dvd_lu_send_challenge {
1191 u_char type;
1192 l_uint agid:2;
1193 l_dvd_challenge chal;
1194 };
1195
1196 struct l_dvd_lu_send_title_key {
1197 u_char type;
1198 l_uint agid:2;
1199 l_dvd_key title_key;
1200 l_int lba;
1201 l_uint cpm:1;
1202 l_uint cp_sec:1;
1203 l_uint cgms:2;
1204 };
1205
1206 struct l_dvd_lu_send_asf {
1207 u_char type;
1208 l_uint agid:2;
1209 l_uint asf:1;
1210 };
1211
1212 struct l_dvd_host_send_rpcstate {
1213 u_char type;
1214 u_char pdrc;
1215 };
1216
1217 struct l_dvd_lu_send_rpcstate {
1218 u_char type:2;
1219 u_char vra:3;
1220 u_char ucca:3;
1221 u_char region_mask;
1222 u_char rpc_scheme;
1223 };
1224
1225 typedef union {
1226 u_char type;
1227 struct l_dvd_lu_send_agid lsa;
1228 struct l_dvd_host_send_challenge hsc;
1229 struct l_dvd_send_key lsk;
1230 struct l_dvd_lu_send_challenge lsc;
1231 struct l_dvd_send_key hsk;
1232 struct l_dvd_lu_send_title_key lstk;
1233 struct l_dvd_lu_send_asf lsasf;
1234 struct l_dvd_host_send_rpcstate hrpcs;
1235 struct l_dvd_lu_send_rpcstate lrpcs;
1236 } l_dvd_authinfo;
1237
1238 static void
bsd_to_linux_msf_lba(u_char af,union msf_lba * bp,union linux_cdrom_addr * lp)1239 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1240 {
1241 if (af == CD_LBA_FORMAT)
1242 lp->lba = bp->lba;
1243 else {
1244 lp->msf.minute = bp->msf.minute;
1245 lp->msf.second = bp->msf.second;
1246 lp->msf.frame = bp->msf.frame;
1247 }
1248 }
1249
1250 static void
set_linux_cdrom_addr(union linux_cdrom_addr * addr,int format,int lba)1251 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1252 {
1253 if (format == LINUX_CDROM_MSF) {
1254 addr->msf.frame = lba % 75;
1255 lba /= 75;
1256 lba += 2;
1257 addr->msf.second = lba % 60;
1258 addr->msf.minute = lba / 60;
1259 } else
1260 addr->lba = lba;
1261 }
1262
1263 static int
linux_to_bsd_dvd_struct(l_dvd_struct * lp,struct dvd_struct * bp)1264 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1265 {
1266 bp->format = lp->type;
1267 switch (bp->format) {
1268 case DVD_STRUCT_PHYSICAL:
1269 if (bp->layer_num >= 4)
1270 return (EINVAL);
1271 bp->layer_num = lp->physical.layer_num;
1272 break;
1273 case DVD_STRUCT_COPYRIGHT:
1274 bp->layer_num = lp->copyright.layer_num;
1275 break;
1276 case DVD_STRUCT_DISCKEY:
1277 bp->agid = lp->disckey.agid;
1278 break;
1279 case DVD_STRUCT_BCA:
1280 case DVD_STRUCT_MANUFACT:
1281 break;
1282 default:
1283 return (EINVAL);
1284 }
1285 return (0);
1286 }
1287
1288 static int
bsd_to_linux_dvd_struct(struct dvd_struct * bp,l_dvd_struct * lp)1289 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1290 {
1291 switch (bp->format) {
1292 case DVD_STRUCT_PHYSICAL: {
1293 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1294 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1295 memset(llp, 0, sizeof(*llp));
1296 llp->book_version = blp->book_version;
1297 llp->book_type = blp->book_type;
1298 llp->min_rate = blp->max_rate;
1299 llp->disc_size = blp->disc_size;
1300 llp->layer_type = blp->layer_type;
1301 llp->track_path = blp->track_path;
1302 llp->nlayers = blp->nlayers;
1303 llp->track_density = blp->track_density;
1304 llp->linear_density = blp->linear_density;
1305 llp->bca = blp->bca;
1306 llp->start_sector = blp->start_sector;
1307 llp->end_sector = blp->end_sector;
1308 llp->end_sector_l0 = blp->end_sector_l0;
1309 break;
1310 }
1311 case DVD_STRUCT_COPYRIGHT:
1312 lp->copyright.cpst = bp->cpst;
1313 lp->copyright.rmi = bp->rmi;
1314 break;
1315 case DVD_STRUCT_DISCKEY:
1316 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1317 break;
1318 case DVD_STRUCT_BCA:
1319 lp->bca.len = bp->length;
1320 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1321 break;
1322 case DVD_STRUCT_MANUFACT:
1323 lp->manufact.len = bp->length;
1324 memcpy(lp->manufact.value, bp->data,
1325 sizeof(lp->manufact.value));
1326 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */
1327 break;
1328 default:
1329 return (EINVAL);
1330 }
1331 return (0);
1332 }
1333
1334 static int
linux_to_bsd_dvd_authinfo(l_dvd_authinfo * lp,int * bcode,struct dvd_authinfo * bp)1335 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1336 struct dvd_authinfo *bp)
1337 {
1338 switch (lp->type) {
1339 case LINUX_DVD_LU_SEND_AGID:
1340 *bcode = DVDIOCREPORTKEY;
1341 bp->format = DVD_REPORT_AGID;
1342 bp->agid = lp->lsa.agid;
1343 break;
1344 case LINUX_DVD_HOST_SEND_CHALLENGE:
1345 *bcode = DVDIOCSENDKEY;
1346 bp->format = DVD_SEND_CHALLENGE;
1347 bp->agid = lp->hsc.agid;
1348 memcpy(bp->keychal, lp->hsc.chal, 10);
1349 break;
1350 case LINUX_DVD_LU_SEND_KEY1:
1351 *bcode = DVDIOCREPORTKEY;
1352 bp->format = DVD_REPORT_KEY1;
1353 bp->agid = lp->lsk.agid;
1354 break;
1355 case LINUX_DVD_LU_SEND_CHALLENGE:
1356 *bcode = DVDIOCREPORTKEY;
1357 bp->format = DVD_REPORT_CHALLENGE;
1358 bp->agid = lp->lsc.agid;
1359 break;
1360 case LINUX_DVD_HOST_SEND_KEY2:
1361 *bcode = DVDIOCSENDKEY;
1362 bp->format = DVD_SEND_KEY2;
1363 bp->agid = lp->hsk.agid;
1364 memcpy(bp->keychal, lp->hsk.key, 5);
1365 break;
1366 case LINUX_DVD_LU_SEND_TITLE_KEY:
1367 *bcode = DVDIOCREPORTKEY;
1368 bp->format = DVD_REPORT_TITLE_KEY;
1369 bp->agid = lp->lstk.agid;
1370 bp->lba = lp->lstk.lba;
1371 break;
1372 case LINUX_DVD_LU_SEND_ASF:
1373 *bcode = DVDIOCREPORTKEY;
1374 bp->format = DVD_REPORT_ASF;
1375 bp->agid = lp->lsasf.agid;
1376 break;
1377 case LINUX_DVD_INVALIDATE_AGID:
1378 *bcode = DVDIOCREPORTKEY;
1379 bp->format = DVD_INVALIDATE_AGID;
1380 bp->agid = lp->lsa.agid;
1381 break;
1382 case LINUX_DVD_LU_SEND_RPC_STATE:
1383 *bcode = DVDIOCREPORTKEY;
1384 bp->format = DVD_REPORT_RPC;
1385 break;
1386 case LINUX_DVD_HOST_SEND_RPC_STATE:
1387 *bcode = DVDIOCSENDKEY;
1388 bp->format = DVD_SEND_RPC;
1389 bp->region = lp->hrpcs.pdrc;
1390 break;
1391 default:
1392 return (EINVAL);
1393 }
1394 return (0);
1395 }
1396
1397 static int
bsd_to_linux_dvd_authinfo(struct dvd_authinfo * bp,l_dvd_authinfo * lp)1398 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1399 {
1400 switch (lp->type) {
1401 case LINUX_DVD_LU_SEND_AGID:
1402 lp->lsa.agid = bp->agid;
1403 break;
1404 case LINUX_DVD_HOST_SEND_CHALLENGE:
1405 lp->type = LINUX_DVD_LU_SEND_KEY1;
1406 break;
1407 case LINUX_DVD_LU_SEND_KEY1:
1408 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1409 break;
1410 case LINUX_DVD_LU_SEND_CHALLENGE:
1411 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1412 break;
1413 case LINUX_DVD_HOST_SEND_KEY2:
1414 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1415 break;
1416 case LINUX_DVD_LU_SEND_TITLE_KEY:
1417 memcpy(lp->lstk.title_key, bp->keychal,
1418 sizeof(lp->lstk.title_key));
1419 lp->lstk.cpm = bp->cpm;
1420 lp->lstk.cp_sec = bp->cp_sec;
1421 lp->lstk.cgms = bp->cgms;
1422 break;
1423 case LINUX_DVD_LU_SEND_ASF:
1424 lp->lsasf.asf = bp->asf;
1425 break;
1426 case LINUX_DVD_INVALIDATE_AGID:
1427 break;
1428 case LINUX_DVD_LU_SEND_RPC_STATE:
1429 lp->lrpcs.type = bp->reg_type;
1430 lp->lrpcs.vra = bp->vend_rsts;
1431 lp->lrpcs.ucca = bp->user_rsts;
1432 lp->lrpcs.region_mask = bp->region;
1433 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1434 break;
1435 case LINUX_DVD_HOST_SEND_RPC_STATE:
1436 break;
1437 default:
1438 return (EINVAL);
1439 }
1440 return (0);
1441 }
1442
1443 static int
linux_ioctl_cdrom(struct thread * td,struct linux_ioctl_args * args)1444 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1445 {
1446 struct file *fp;
1447 int error;
1448
1449 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1450 if (error != 0)
1451 return (error);
1452 switch (args->cmd & 0xffff) {
1453
1454 case LINUX_CDROMPAUSE:
1455 args->cmd = CDIOCPAUSE;
1456 error = (sys_ioctl(td, (struct ioctl_args *)args));
1457 break;
1458
1459 case LINUX_CDROMRESUME:
1460 args->cmd = CDIOCRESUME;
1461 error = (sys_ioctl(td, (struct ioctl_args *)args));
1462 break;
1463
1464 case LINUX_CDROMPLAYMSF:
1465 args->cmd = CDIOCPLAYMSF;
1466 error = (sys_ioctl(td, (struct ioctl_args *)args));
1467 break;
1468
1469 case LINUX_CDROMPLAYTRKIND:
1470 args->cmd = CDIOCPLAYTRACKS;
1471 error = (sys_ioctl(td, (struct ioctl_args *)args));
1472 break;
1473
1474 case LINUX_CDROMREADTOCHDR: {
1475 struct ioc_toc_header th;
1476 struct linux_cdrom_tochdr lth;
1477 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1478 td->td_ucred, td);
1479 if (!error) {
1480 lth.cdth_trk0 = th.starting_track;
1481 lth.cdth_trk1 = th.ending_track;
1482 copyout(<h, (void *)args->arg, sizeof(lth));
1483 }
1484 break;
1485 }
1486
1487 case LINUX_CDROMREADTOCENTRY: {
1488 struct linux_cdrom_tocentry lte;
1489 struct ioc_read_toc_single_entry irtse;
1490
1491 error = copyin((void *)args->arg, <e, sizeof(lte));
1492 if (error)
1493 break;
1494 irtse.address_format = lte.cdte_format;
1495 irtse.track = lte.cdte_track;
1496 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1497 td->td_ucred, td);
1498 if (!error) {
1499 lte.cdte_ctrl = irtse.entry.control;
1500 lte.cdte_adr = irtse.entry.addr_type;
1501 bsd_to_linux_msf_lba(irtse.address_format,
1502 &irtse.entry.addr, <e.cdte_addr);
1503 error = copyout(<e, (void *)args->arg, sizeof(lte));
1504 }
1505 break;
1506 }
1507
1508 case LINUX_CDROMSTOP:
1509 args->cmd = CDIOCSTOP;
1510 error = (sys_ioctl(td, (struct ioctl_args *)args));
1511 break;
1512
1513 case LINUX_CDROMSTART:
1514 args->cmd = CDIOCSTART;
1515 error = (sys_ioctl(td, (struct ioctl_args *)args));
1516 break;
1517
1518 case LINUX_CDROMEJECT:
1519 args->cmd = CDIOCEJECT;
1520 error = (sys_ioctl(td, (struct ioctl_args *)args));
1521 break;
1522
1523 /* LINUX_CDROMVOLCTRL */
1524
1525 case LINUX_CDROMSUBCHNL: {
1526 struct linux_cdrom_subchnl sc;
1527 struct ioc_read_subchannel bsdsc;
1528 struct cd_sub_channel_info bsdinfo;
1529
1530 error = copyin((void *)args->arg, &sc, sizeof(sc));
1531 if (error)
1532 break;
1533
1534 /*
1535 * Invoke the native ioctl and bounce the returned data through
1536 * the userspace buffer. This works because the Linux structure
1537 * is the same size as our structures for the subchannel header
1538 * and position data.
1539 */
1540 bsdsc.address_format = CD_LBA_FORMAT;
1541 bsdsc.data_format = CD_CURRENT_POSITION;
1542 bsdsc.track = 0;
1543 bsdsc.data_len = sizeof(sc);
1544 bsdsc.data = (void *)args->arg;
1545 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc,
1546 td->td_ucred, td);
1547 if (error)
1548 break;
1549 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo));
1550 if (error)
1551 break;
1552 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1553 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1554 sc.cdsc_ctrl = bsdinfo.what.position.control;
1555 sc.cdsc_trk = bsdinfo.what.position.track_number;
1556 sc.cdsc_ind = bsdinfo.what.position.index_number;
1557 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1558 bsdinfo.what.position.absaddr.lba);
1559 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1560 bsdinfo.what.position.reladdr.lba);
1561 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1562 break;
1563 }
1564
1565 /* LINUX_CDROMREADMODE2 */
1566 /* LINUX_CDROMREADMODE1 */
1567 /* LINUX_CDROMREADAUDIO */
1568 /* LINUX_CDROMEJECT_SW */
1569 /* LINUX_CDROMMULTISESSION */
1570 /* LINUX_CDROM_GET_UPC */
1571
1572 case LINUX_CDROMRESET:
1573 args->cmd = CDIOCRESET;
1574 error = (sys_ioctl(td, (struct ioctl_args *)args));
1575 break;
1576
1577 /* LINUX_CDROMVOLREAD */
1578 /* LINUX_CDROMREADRAW */
1579 /* LINUX_CDROMREADCOOKED */
1580 /* LINUX_CDROMSEEK */
1581 /* LINUX_CDROMPLAYBLK */
1582 /* LINUX_CDROMREADALL */
1583 /* LINUX_CDROMCLOSETRAY */
1584 /* LINUX_CDROMLOADFROMSLOT */
1585 /* LINUX_CDROMGETSPINDOWN */
1586 /* LINUX_CDROMSETSPINDOWN */
1587 /* LINUX_CDROM_SET_OPTIONS */
1588 /* LINUX_CDROM_CLEAR_OPTIONS */
1589 /* LINUX_CDROM_SELECT_SPEED */
1590 /* LINUX_CDROM_SELECT_DISC */
1591 /* LINUX_CDROM_MEDIA_CHANGED */
1592 /* LINUX_CDROM_DRIVE_STATUS */
1593 /* LINUX_CDROM_DISC_STATUS */
1594 /* LINUX_CDROM_CHANGER_NSLOTS */
1595 /* LINUX_CDROM_LOCKDOOR */
1596 /* LINUX_CDROM_DEBUG */
1597 /* LINUX_CDROM_GET_CAPABILITY */
1598 /* LINUX_CDROMAUDIOBUFSIZ */
1599
1600 case LINUX_DVD_READ_STRUCT: {
1601 l_dvd_struct *lds;
1602 struct dvd_struct *bds;
1603
1604 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1605 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1606 error = copyin((void *)args->arg, lds, sizeof(*lds));
1607 if (error)
1608 goto out;
1609 error = linux_to_bsd_dvd_struct(lds, bds);
1610 if (error)
1611 goto out;
1612 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1613 td->td_ucred, td);
1614 if (error)
1615 goto out;
1616 error = bsd_to_linux_dvd_struct(bds, lds);
1617 if (error)
1618 goto out;
1619 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1620 out:
1621 free(bds, M_LINUX);
1622 free(lds, M_LINUX);
1623 break;
1624 }
1625
1626 /* LINUX_DVD_WRITE_STRUCT */
1627
1628 case LINUX_DVD_AUTH: {
1629 l_dvd_authinfo lda;
1630 struct dvd_authinfo bda;
1631 int bcode;
1632
1633 error = copyin((void *)args->arg, &lda, sizeof(lda));
1634 if (error)
1635 break;
1636 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1637 if (error)
1638 break;
1639 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1640 td);
1641 if (error) {
1642 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1643 lda.type = LINUX_DVD_AUTH_FAILURE;
1644 copyout(&lda, (void *)args->arg, sizeof(lda));
1645 }
1646 break;
1647 }
1648 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1649 if (error)
1650 break;
1651 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1652 break;
1653 }
1654
1655 case LINUX_SCSI_GET_BUS_NUMBER:
1656 {
1657 struct sg_scsi_id id;
1658
1659 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1660 td->td_ucred, td);
1661 if (error)
1662 break;
1663 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1664 break;
1665 }
1666
1667 case LINUX_SCSI_GET_IDLUN:
1668 {
1669 struct sg_scsi_id id;
1670 struct scsi_idlun idl;
1671
1672 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1673 td->td_ucred, td);
1674 if (error)
1675 break;
1676 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1677 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1678 idl.host_unique_id = id.host_no;
1679 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1680 break;
1681 }
1682
1683 /* LINUX_CDROM_SEND_PACKET */
1684 /* LINUX_CDROM_NEXT_WRITABLE */
1685 /* LINUX_CDROM_LAST_WRITTEN */
1686
1687 default:
1688 error = ENOIOCTL;
1689 break;
1690 }
1691
1692 fdrop(fp, td);
1693 return (error);
1694 }
1695
1696 static int
linux_ioctl_vfat(struct thread * td,struct linux_ioctl_args * args)1697 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1698 {
1699
1700 return (ENOTTY);
1701 }
1702
1703 /*
1704 * Sound related ioctls
1705 */
1706
1707 struct linux_old_mixer_info {
1708 char id[16];
1709 char name[32];
1710 };
1711
1712 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1713
1714 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1715
1716 static int
linux_ioctl_sound(struct thread * td,struct linux_ioctl_args * args)1717 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1718 {
1719
1720 switch (args->cmd & 0xffff) {
1721
1722 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1724 return (sys_ioctl(td, (struct ioctl_args *)args));
1725
1726 case LINUX_SOUND_MIXER_WRITE_BASS:
1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1728 return (sys_ioctl(td, (struct ioctl_args *)args));
1729
1730 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1732 return (sys_ioctl(td, (struct ioctl_args *)args));
1733
1734 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1736 return (sys_ioctl(td, (struct ioctl_args *)args));
1737
1738 case LINUX_SOUND_MIXER_WRITE_PCM:
1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1740 return (sys_ioctl(td, (struct ioctl_args *)args));
1741
1742 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1744 return (sys_ioctl(td, (struct ioctl_args *)args));
1745
1746 case LINUX_SOUND_MIXER_WRITE_LINE:
1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1748 return (sys_ioctl(td, (struct ioctl_args *)args));
1749
1750 case LINUX_SOUND_MIXER_WRITE_MIC:
1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1752 return (sys_ioctl(td, (struct ioctl_args *)args));
1753
1754 case LINUX_SOUND_MIXER_WRITE_CD:
1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1756 return (sys_ioctl(td, (struct ioctl_args *)args));
1757
1758 case LINUX_SOUND_MIXER_WRITE_IMIX:
1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1760 return (sys_ioctl(td, (struct ioctl_args *)args));
1761
1762 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1764 return (sys_ioctl(td, (struct ioctl_args *)args));
1765
1766 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1767 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1768 return (sys_ioctl(td, (struct ioctl_args *)args));
1769
1770 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1771 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1772 return (sys_ioctl(td, (struct ioctl_args *)args));
1773
1774 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1775 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1776 return (sys_ioctl(td, (struct ioctl_args *)args));
1777
1778 case LINUX_SOUND_MIXER_WRITE_LINE1:
1779 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1780 return (sys_ioctl(td, (struct ioctl_args *)args));
1781
1782 case LINUX_SOUND_MIXER_WRITE_LINE2:
1783 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1784 return (sys_ioctl(td, (struct ioctl_args *)args));
1785
1786 case LINUX_SOUND_MIXER_WRITE_LINE3:
1787 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1788 return (sys_ioctl(td, (struct ioctl_args *)args));
1789
1790 case LINUX_SOUND_MIXER_INFO: {
1791 /* Key on encoded length */
1792 switch ((args->cmd >> 16) & 0x1fff) {
1793 case 0x005c: { /* SOUND_MIXER_INFO */
1794 args->cmd = SOUND_MIXER_INFO;
1795 return (sys_ioctl(td, (struct ioctl_args *)args));
1796 }
1797 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1798 struct linux_old_mixer_info info;
1799 bzero(&info, sizeof(info));
1800 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1801 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1802 copyout(&info, (void *)args->arg, sizeof(info));
1803 return (0);
1804 }
1805 default:
1806 return (ENOIOCTL);
1807 }
1808 break;
1809 }
1810
1811 case LINUX_OSS_GETVERSION: {
1812 int version = linux_get_oss_version(td);
1813 return (copyout(&version, (void *)args->arg, sizeof(int)));
1814 }
1815
1816 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1817 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1818 return (sys_ioctl(td, (struct ioctl_args *)args));
1819
1820 case LINUX_SOUND_MIXER_READ_CAPS:
1821 args->cmd = SOUND_MIXER_READ_CAPS;
1822 return (sys_ioctl(td, (struct ioctl_args *)args));
1823
1824 case LINUX_SOUND_MIXER_READ_RECMASK:
1825 args->cmd = SOUND_MIXER_READ_RECMASK;
1826 return (sys_ioctl(td, (struct ioctl_args *)args));
1827
1828 case LINUX_SOUND_MIXER_READ_DEVMASK:
1829 args->cmd = SOUND_MIXER_READ_DEVMASK;
1830 return (sys_ioctl(td, (struct ioctl_args *)args));
1831
1832 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1833 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1834 return (sys_ioctl(td, (struct ioctl_args *)args));
1835
1836 case LINUX_SNDCTL_DSP_RESET:
1837 args->cmd = SNDCTL_DSP_RESET;
1838 return (sys_ioctl(td, (struct ioctl_args *)args));
1839
1840 case LINUX_SNDCTL_DSP_SYNC:
1841 args->cmd = SNDCTL_DSP_SYNC;
1842 return (sys_ioctl(td, (struct ioctl_args *)args));
1843
1844 case LINUX_SNDCTL_DSP_SPEED:
1845 args->cmd = SNDCTL_DSP_SPEED;
1846 return (sys_ioctl(td, (struct ioctl_args *)args));
1847
1848 case LINUX_SNDCTL_DSP_STEREO:
1849 args->cmd = SNDCTL_DSP_STEREO;
1850 return (sys_ioctl(td, (struct ioctl_args *)args));
1851
1852 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1853 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1854 return (sys_ioctl(td, (struct ioctl_args *)args));
1855
1856 case LINUX_SNDCTL_DSP_SETFMT:
1857 args->cmd = SNDCTL_DSP_SETFMT;
1858 return (sys_ioctl(td, (struct ioctl_args *)args));
1859
1860 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1861 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1862 return (sys_ioctl(td, (struct ioctl_args *)args));
1863
1864 case LINUX_SOUND_PCM_WRITE_FILTER:
1865 args->cmd = SOUND_PCM_WRITE_FILTER;
1866 return (sys_ioctl(td, (struct ioctl_args *)args));
1867
1868 case LINUX_SNDCTL_DSP_POST:
1869 args->cmd = SNDCTL_DSP_POST;
1870 return (sys_ioctl(td, (struct ioctl_args *)args));
1871
1872 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1873 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1874 return (sys_ioctl(td, (struct ioctl_args *)args));
1875
1876 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1877 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1878 return (sys_ioctl(td, (struct ioctl_args *)args));
1879
1880 case LINUX_SNDCTL_DSP_GETFMTS:
1881 args->cmd = SNDCTL_DSP_GETFMTS;
1882 return (sys_ioctl(td, (struct ioctl_args *)args));
1883
1884 case LINUX_SNDCTL_DSP_GETOSPACE:
1885 args->cmd = SNDCTL_DSP_GETOSPACE;
1886 return (sys_ioctl(td, (struct ioctl_args *)args));
1887
1888 case LINUX_SNDCTL_DSP_GETISPACE:
1889 args->cmd = SNDCTL_DSP_GETISPACE;
1890 return (sys_ioctl(td, (struct ioctl_args *)args));
1891
1892 case LINUX_SNDCTL_DSP_NONBLOCK:
1893 args->cmd = SNDCTL_DSP_NONBLOCK;
1894 return (sys_ioctl(td, (struct ioctl_args *)args));
1895
1896 case LINUX_SNDCTL_DSP_GETCAPS:
1897 args->cmd = SNDCTL_DSP_GETCAPS;
1898 return (sys_ioctl(td, (struct ioctl_args *)args));
1899
1900 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1901 args->cmd = SNDCTL_DSP_SETTRIGGER;
1902 return (sys_ioctl(td, (struct ioctl_args *)args));
1903
1904 case LINUX_SNDCTL_DSP_GETIPTR:
1905 args->cmd = SNDCTL_DSP_GETIPTR;
1906 return (sys_ioctl(td, (struct ioctl_args *)args));
1907
1908 case LINUX_SNDCTL_DSP_GETOPTR:
1909 args->cmd = SNDCTL_DSP_GETOPTR;
1910 return (sys_ioctl(td, (struct ioctl_args *)args));
1911
1912 case LINUX_SNDCTL_DSP_SETDUPLEX:
1913 args->cmd = SNDCTL_DSP_SETDUPLEX;
1914 return (sys_ioctl(td, (struct ioctl_args *)args));
1915
1916 case LINUX_SNDCTL_DSP_GETODELAY:
1917 args->cmd = SNDCTL_DSP_GETODELAY;
1918 return (sys_ioctl(td, (struct ioctl_args *)args));
1919
1920 case LINUX_SNDCTL_SEQ_RESET:
1921 args->cmd = SNDCTL_SEQ_RESET;
1922 return (sys_ioctl(td, (struct ioctl_args *)args));
1923
1924 case LINUX_SNDCTL_SEQ_SYNC:
1925 args->cmd = SNDCTL_SEQ_SYNC;
1926 return (sys_ioctl(td, (struct ioctl_args *)args));
1927
1928 case LINUX_SNDCTL_SYNTH_INFO:
1929 args->cmd = SNDCTL_SYNTH_INFO;
1930 return (sys_ioctl(td, (struct ioctl_args *)args));
1931
1932 case LINUX_SNDCTL_SEQ_CTRLRATE:
1933 args->cmd = SNDCTL_SEQ_CTRLRATE;
1934 return (sys_ioctl(td, (struct ioctl_args *)args));
1935
1936 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1937 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1938 return (sys_ioctl(td, (struct ioctl_args *)args));
1939
1940 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1941 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1942 return (sys_ioctl(td, (struct ioctl_args *)args));
1943
1944 case LINUX_SNDCTL_SEQ_PERCMODE:
1945 args->cmd = SNDCTL_SEQ_PERCMODE;
1946 return (sys_ioctl(td, (struct ioctl_args *)args));
1947
1948 case LINUX_SNDCTL_FM_LOAD_INSTR:
1949 args->cmd = SNDCTL_FM_LOAD_INSTR;
1950 return (sys_ioctl(td, (struct ioctl_args *)args));
1951
1952 case LINUX_SNDCTL_SEQ_TESTMIDI:
1953 args->cmd = SNDCTL_SEQ_TESTMIDI;
1954 return (sys_ioctl(td, (struct ioctl_args *)args));
1955
1956 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1957 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1958 return (sys_ioctl(td, (struct ioctl_args *)args));
1959
1960 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1961 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1962 return (sys_ioctl(td, (struct ioctl_args *)args));
1963
1964 case LINUX_SNDCTL_SEQ_NRMIDIS:
1965 args->cmd = SNDCTL_SEQ_NRMIDIS;
1966 return (sys_ioctl(td, (struct ioctl_args *)args));
1967
1968 case LINUX_SNDCTL_MIDI_INFO:
1969 args->cmd = SNDCTL_MIDI_INFO;
1970 return (sys_ioctl(td, (struct ioctl_args *)args));
1971
1972 case LINUX_SNDCTL_SEQ_TRESHOLD:
1973 args->cmd = SNDCTL_SEQ_TRESHOLD;
1974 return (sys_ioctl(td, (struct ioctl_args *)args));
1975
1976 case LINUX_SNDCTL_SYNTH_MEMAVL:
1977 args->cmd = SNDCTL_SYNTH_MEMAVL;
1978 return (sys_ioctl(td, (struct ioctl_args *)args));
1979
1980 }
1981
1982 return (ENOIOCTL);
1983 }
1984
1985 /*
1986 * Console related ioctls
1987 */
1988
1989 static int
linux_ioctl_console(struct thread * td,struct linux_ioctl_args * args)1990 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1991 {
1992 struct file *fp;
1993 int error;
1994
1995 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
1996 if (error != 0)
1997 return (error);
1998 switch (args->cmd & 0xffff) {
1999
2000 case LINUX_KIOCSOUND:
2001 args->cmd = KIOCSOUND;
2002 error = (sys_ioctl(td, (struct ioctl_args *)args));
2003 break;
2004
2005 case LINUX_KDMKTONE:
2006 args->cmd = KDMKTONE;
2007 error = (sys_ioctl(td, (struct ioctl_args *)args));
2008 break;
2009
2010 case LINUX_KDGETLED:
2011 args->cmd = KDGETLED;
2012 error = (sys_ioctl(td, (struct ioctl_args *)args));
2013 break;
2014
2015 case LINUX_KDSETLED:
2016 args->cmd = KDSETLED;
2017 error = (sys_ioctl(td, (struct ioctl_args *)args));
2018 break;
2019
2020 case LINUX_KDSETMODE:
2021 args->cmd = KDSETMODE;
2022 error = (sys_ioctl(td, (struct ioctl_args *)args));
2023 break;
2024
2025 case LINUX_KDGETMODE:
2026 args->cmd = KDGETMODE;
2027 error = (sys_ioctl(td, (struct ioctl_args *)args));
2028 break;
2029
2030 case LINUX_KDGKBMODE:
2031 args->cmd = KDGKBMODE;
2032 error = (sys_ioctl(td, (struct ioctl_args *)args));
2033 break;
2034
2035 case LINUX_KDSKBMODE: {
2036 int kbdmode;
2037 switch (args->arg) {
2038 case LINUX_KBD_RAW:
2039 kbdmode = K_RAW;
2040 break;
2041 case LINUX_KBD_XLATE:
2042 kbdmode = K_XLATE;
2043 break;
2044 case LINUX_KBD_MEDIUMRAW:
2045 kbdmode = K_RAW;
2046 break;
2047 default:
2048 fdrop(fp, td);
2049 return (EINVAL);
2050 }
2051 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2052 td->td_ucred, td));
2053 break;
2054 }
2055
2056 case LINUX_VT_OPENQRY:
2057 args->cmd = VT_OPENQRY;
2058 error = (sys_ioctl(td, (struct ioctl_args *)args));
2059 break;
2060
2061 case LINUX_VT_GETMODE:
2062 args->cmd = VT_GETMODE;
2063 error = (sys_ioctl(td, (struct ioctl_args *)args));
2064 break;
2065
2066 case LINUX_VT_SETMODE: {
2067 struct vt_mode mode;
2068 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2069 break;
2070 if (LINUX_SIG_VALID(mode.relsig))
2071 mode.relsig = linux_to_bsd_signal(mode.relsig);
2072 else
2073 mode.relsig = 0;
2074 if (LINUX_SIG_VALID(mode.acqsig))
2075 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2076 else
2077 mode.acqsig = 0;
2078 /* XXX. Linux ignores frsig and set it to 0. */
2079 mode.frsig = 0;
2080 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2081 break;
2082 args->cmd = VT_SETMODE;
2083 error = (sys_ioctl(td, (struct ioctl_args *)args));
2084 break;
2085 }
2086
2087 case LINUX_VT_GETSTATE:
2088 args->cmd = VT_GETACTIVE;
2089 error = (sys_ioctl(td, (struct ioctl_args *)args));
2090 break;
2091
2092 case LINUX_VT_RELDISP:
2093 args->cmd = VT_RELDISP;
2094 error = (sys_ioctl(td, (struct ioctl_args *)args));
2095 break;
2096
2097 case LINUX_VT_ACTIVATE:
2098 args->cmd = VT_ACTIVATE;
2099 error = (sys_ioctl(td, (struct ioctl_args *)args));
2100 break;
2101
2102 case LINUX_VT_WAITACTIVE:
2103 args->cmd = VT_WAITACTIVE;
2104 error = (sys_ioctl(td, (struct ioctl_args *)args));
2105 break;
2106
2107 default:
2108 error = ENOIOCTL;
2109 break;
2110 }
2111
2112 fdrop(fp, td);
2113 return (error);
2114 }
2115
2116 /*
2117 * Implement the SIOCGIFNAME ioctl
2118 */
2119
2120 static int
linux_ioctl_ifname(struct thread * td,struct l_ifreq * uifr)2121 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr)
2122 {
2123 struct l_ifreq ifr;
2124 struct ifnet *ifp;
2125 int error, ethno, index;
2126
2127 error = copyin(uifr, &ifr, sizeof(ifr));
2128 if (error != 0)
2129 return (error);
2130
2131 CURVNET_SET(TD_TO_VNET(curthread));
2132 IFNET_RLOCK();
2133 index = 1; /* ifr.ifr_ifindex starts from 1 */
2134 ethno = 0;
2135 error = ENODEV;
2136 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2137 if (ifr.ifr_ifindex == index) {
2138 if (IFP_IS_ETH(ifp))
2139 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ,
2140 "eth%d", ethno);
2141 else
2142 strlcpy(ifr.ifr_name, ifp->if_xname,
2143 LINUX_IFNAMSIZ);
2144 error = 0;
2145 break;
2146 }
2147 if (IFP_IS_ETH(ifp))
2148 ethno++;
2149 index++;
2150 }
2151 IFNET_RUNLOCK();
2152 if (error == 0)
2153 error = copyout(&ifr, uifr, sizeof(ifr));
2154 CURVNET_RESTORE();
2155
2156 return (error);
2157 }
2158
2159 /*
2160 * Implement the SIOCGIFCONF ioctl
2161 */
2162
2163 static int
linux_ifconf(struct thread * td,struct ifconf * uifc)2164 linux_ifconf(struct thread *td, struct ifconf *uifc)
2165 {
2166 #ifdef COMPAT_LINUX32
2167 struct l_ifconf ifc;
2168 #else
2169 struct ifconf ifc;
2170 #endif
2171 struct l_ifreq ifr;
2172 struct ifnet *ifp;
2173 struct ifaddr *ifa;
2174 struct sbuf *sb;
2175 int error, ethno, full = 0, valid_len, max_len;
2176
2177 error = copyin(uifc, &ifc, sizeof(ifc));
2178 if (error != 0)
2179 return (error);
2180
2181 max_len = MAXPHYS - 1;
2182
2183 CURVNET_SET(TD_TO_VNET(td));
2184 /* handle the 'request buffer size' case */
2185 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) {
2186 ifc.ifc_len = 0;
2187 IFNET_RLOCK();
2188 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2189 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2190 struct sockaddr *sa = ifa->ifa_addr;
2191 if (sa->sa_family == AF_INET)
2192 ifc.ifc_len += sizeof(ifr);
2193 }
2194 }
2195 IFNET_RUNLOCK();
2196 error = copyout(&ifc, uifc, sizeof(ifc));
2197 CURVNET_RESTORE();
2198 return (error);
2199 }
2200
2201 if (ifc.ifc_len <= 0) {
2202 CURVNET_RESTORE();
2203 return (EINVAL);
2204 }
2205
2206 again:
2207 /* Keep track of eth interfaces */
2208 ethno = 0;
2209 if (ifc.ifc_len <= max_len) {
2210 max_len = ifc.ifc_len;
2211 full = 1;
2212 }
2213 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2214 max_len = 0;
2215 valid_len = 0;
2216
2217 /* Return all AF_INET addresses of all interfaces */
2218 IFNET_RLOCK();
2219 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2220 int addrs = 0;
2221
2222 bzero(&ifr, sizeof(ifr));
2223 if (IFP_IS_ETH(ifp))
2224 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2225 ethno++);
2226 else
2227 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2228
2229 /* Walk the address list */
2230 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2231 struct sockaddr *sa = ifa->ifa_addr;
2232
2233 if (sa->sa_family == AF_INET) {
2234 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2235 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2236 sizeof(ifr.ifr_addr.sa_data));
2237 sbuf_bcat(sb, &ifr, sizeof(ifr));
2238 max_len += sizeof(ifr);
2239 addrs++;
2240 }
2241
2242 if (sbuf_error(sb) == 0)
2243 valid_len = sbuf_len(sb);
2244 }
2245 if (addrs == 0) {
2246 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2247 sbuf_bcat(sb, &ifr, sizeof(ifr));
2248 max_len += sizeof(ifr);
2249
2250 if (sbuf_error(sb) == 0)
2251 valid_len = sbuf_len(sb);
2252 }
2253 }
2254 IFNET_RUNLOCK();
2255
2256 if (valid_len != max_len && !full) {
2257 sbuf_delete(sb);
2258 goto again;
2259 }
2260
2261 ifc.ifc_len = valid_len;
2262 sbuf_finish(sb);
2263 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2264 if (error == 0)
2265 error = copyout(&ifc, uifc, sizeof(ifc));
2266 sbuf_delete(sb);
2267 CURVNET_RESTORE();
2268
2269 return (error);
2270 }
2271
2272 static int
linux_gifflags(struct thread * td,struct ifnet * ifp,struct l_ifreq * ifr)2273 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2274 {
2275 l_short flags;
2276
2277 linux_ifflags(ifp, &flags);
2278
2279 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2280 }
2281
2282 static int
linux_gifhwaddr(struct ifnet * ifp,struct l_ifreq * ifr)2283 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2284 {
2285 struct l_sockaddr lsa;
2286
2287 if (linux_ifhwaddr(ifp, &lsa) != 0)
2288 return (ENOENT);
2289
2290 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2291 }
2292
2293
2294 /*
2295 * If we fault in bsd_to_linux_ifreq() then we will fault when we call
2296 * the native ioctl(). Thus, we don't really need to check the return
2297 * value of this function.
2298 */
2299 static int
bsd_to_linux_ifreq(struct ifreq * arg)2300 bsd_to_linux_ifreq(struct ifreq *arg)
2301 {
2302 struct ifreq ifr;
2303 size_t ifr_len = sizeof(struct ifreq);
2304 int error;
2305
2306 if ((error = copyin(arg, &ifr, ifr_len)))
2307 return (error);
2308
2309 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2310
2311 error = copyout(&ifr, arg, ifr_len);
2312
2313 return (error);
2314 }
2315
2316 /*
2317 * Socket related ioctls
2318 */
2319
2320 static int
linux_ioctl_socket(struct thread * td,struct linux_ioctl_args * args)2321 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2322 {
2323 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2324 struct ifnet *ifp;
2325 struct file *fp;
2326 int error, type;
2327
2328 ifp = NULL;
2329 error = 0;
2330
2331 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2332 if (error != 0)
2333 return (error);
2334 type = fp->f_type;
2335 fdrop(fp, td);
2336 if (type != DTYPE_SOCKET) {
2337 /* not a socket - probably a tap / vmnet device */
2338 switch (args->cmd) {
2339 case LINUX_SIOCGIFADDR:
2340 case LINUX_SIOCSIFADDR:
2341 case LINUX_SIOCGIFFLAGS:
2342 return (linux_ioctl_special(td, args));
2343 default:
2344 return (ENOIOCTL);
2345 }
2346 }
2347
2348 switch (args->cmd & 0xffff) {
2349
2350 case LINUX_FIOGETOWN:
2351 case LINUX_FIOSETOWN:
2352 case LINUX_SIOCADDMULTI:
2353 case LINUX_SIOCATMARK:
2354 case LINUX_SIOCDELMULTI:
2355 case LINUX_SIOCGIFNAME:
2356 case LINUX_SIOCGIFCONF:
2357 case LINUX_SIOCGPGRP:
2358 case LINUX_SIOCSPGRP:
2359 case LINUX_SIOCGIFCOUNT:
2360 /* these ioctls don't take an interface name */
2361 break;
2362
2363 case LINUX_SIOCGIFFLAGS:
2364 case LINUX_SIOCGIFADDR:
2365 case LINUX_SIOCSIFADDR:
2366 case LINUX_SIOCGIFDSTADDR:
2367 case LINUX_SIOCGIFBRDADDR:
2368 case LINUX_SIOCGIFNETMASK:
2369 case LINUX_SIOCSIFNETMASK:
2370 case LINUX_SIOCGIFMTU:
2371 case LINUX_SIOCSIFMTU:
2372 case LINUX_SIOCSIFNAME:
2373 case LINUX_SIOCGIFHWADDR:
2374 case LINUX_SIOCSIFHWADDR:
2375 case LINUX_SIOCDEVPRIVATE:
2376 case LINUX_SIOCDEVPRIVATE+1:
2377 case LINUX_SIOCGIFINDEX:
2378 /* copy in the interface name and translate it. */
2379 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2380 if (error != 0)
2381 return (error);
2382 memset(ifname, 0, sizeof(ifname));
2383 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2384 if (ifp == NULL)
2385 return (EINVAL);
2386 /*
2387 * We need to copy it back out in case we pass the
2388 * request on to our native ioctl(), which will expect
2389 * the ifreq to be in user space and have the correct
2390 * interface name.
2391 */
2392 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2393 if (error != 0)
2394 return (error);
2395 break;
2396
2397 default:
2398 return (ENOIOCTL);
2399 }
2400
2401 switch (args->cmd & 0xffff) {
2402
2403 case LINUX_FIOSETOWN:
2404 args->cmd = FIOSETOWN;
2405 error = sys_ioctl(td, (struct ioctl_args *)args);
2406 break;
2407
2408 case LINUX_SIOCSPGRP:
2409 args->cmd = SIOCSPGRP;
2410 error = sys_ioctl(td, (struct ioctl_args *)args);
2411 break;
2412
2413 case LINUX_FIOGETOWN:
2414 args->cmd = FIOGETOWN;
2415 error = sys_ioctl(td, (struct ioctl_args *)args);
2416 break;
2417
2418 case LINUX_SIOCGPGRP:
2419 args->cmd = SIOCGPGRP;
2420 error = sys_ioctl(td, (struct ioctl_args *)args);
2421 break;
2422
2423 case LINUX_SIOCATMARK:
2424 args->cmd = SIOCATMARK;
2425 error = sys_ioctl(td, (struct ioctl_args *)args);
2426 break;
2427
2428 /* LINUX_SIOCGSTAMP */
2429
2430 case LINUX_SIOCGIFNAME:
2431 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg);
2432 break;
2433
2434 case LINUX_SIOCGIFCONF:
2435 error = linux_ifconf(td, (struct ifconf *)args->arg);
2436 break;
2437
2438 case LINUX_SIOCGIFFLAGS:
2439 args->cmd = SIOCGIFFLAGS;
2440 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2441 break;
2442
2443 case LINUX_SIOCGIFADDR:
2444 args->cmd = SIOCGIFADDR;
2445 error = sys_ioctl(td, (struct ioctl_args *)args);
2446 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2447 break;
2448
2449 case LINUX_SIOCSIFADDR:
2450 /* XXX probably doesn't work, included for completeness */
2451 args->cmd = SIOCSIFADDR;
2452 error = sys_ioctl(td, (struct ioctl_args *)args);
2453 break;
2454
2455 case LINUX_SIOCGIFDSTADDR:
2456 args->cmd = SIOCGIFDSTADDR;
2457 error = sys_ioctl(td, (struct ioctl_args *)args);
2458 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2459 break;
2460
2461 case LINUX_SIOCGIFBRDADDR:
2462 args->cmd = SIOCGIFBRDADDR;
2463 error = sys_ioctl(td, (struct ioctl_args *)args);
2464 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2465 break;
2466
2467 case LINUX_SIOCGIFNETMASK:
2468 args->cmd = SIOCGIFNETMASK;
2469 error = sys_ioctl(td, (struct ioctl_args *)args);
2470 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2471 break;
2472
2473 case LINUX_SIOCSIFNETMASK:
2474 error = ENOIOCTL;
2475 break;
2476
2477 case LINUX_SIOCGIFMTU:
2478 args->cmd = SIOCGIFMTU;
2479 error = sys_ioctl(td, (struct ioctl_args *)args);
2480 break;
2481
2482 case LINUX_SIOCSIFMTU:
2483 args->cmd = SIOCSIFMTU;
2484 error = sys_ioctl(td, (struct ioctl_args *)args);
2485 break;
2486
2487 case LINUX_SIOCSIFNAME:
2488 error = ENOIOCTL;
2489 break;
2490
2491 case LINUX_SIOCGIFHWADDR:
2492 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2493 break;
2494
2495 case LINUX_SIOCSIFHWADDR:
2496 error = ENOIOCTL;
2497 break;
2498
2499 case LINUX_SIOCADDMULTI:
2500 args->cmd = SIOCADDMULTI;
2501 error = sys_ioctl(td, (struct ioctl_args *)args);
2502 break;
2503
2504 case LINUX_SIOCDELMULTI:
2505 args->cmd = SIOCDELMULTI;
2506 error = sys_ioctl(td, (struct ioctl_args *)args);
2507 break;
2508
2509 case LINUX_SIOCGIFINDEX:
2510 args->cmd = SIOCGIFINDEX;
2511 error = sys_ioctl(td, (struct ioctl_args *)args);
2512 break;
2513
2514 case LINUX_SIOCGIFCOUNT:
2515 error = 0;
2516 break;
2517
2518 /*
2519 * XXX This is slightly bogus, but these ioctls are currently
2520 * XXX only used by the aironet (if_an) network driver.
2521 */
2522 case LINUX_SIOCDEVPRIVATE:
2523 args->cmd = SIOCGPRIVATE_0;
2524 error = sys_ioctl(td, (struct ioctl_args *)args);
2525 break;
2526
2527 case LINUX_SIOCDEVPRIVATE+1:
2528 args->cmd = SIOCGPRIVATE_1;
2529 error = sys_ioctl(td, (struct ioctl_args *)args);
2530 break;
2531 }
2532
2533 if (ifp != NULL)
2534 /* restore the original interface name */
2535 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2536
2537 return (error);
2538 }
2539
2540 /*
2541 * Device private ioctl handler
2542 */
2543 static int
linux_ioctl_private(struct thread * td,struct linux_ioctl_args * args)2544 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2545 {
2546 struct file *fp;
2547 int error, type;
2548
2549 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2550 if (error != 0)
2551 return (error);
2552 type = fp->f_type;
2553 fdrop(fp, td);
2554 if (type == DTYPE_SOCKET)
2555 return (linux_ioctl_socket(td, args));
2556 return (ENOIOCTL);
2557 }
2558
2559 /*
2560 * DRM ioctl handler (sys/dev/drm)
2561 */
2562 static int
linux_ioctl_drm(struct thread * td,struct linux_ioctl_args * args)2563 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2564 {
2565 args->cmd = SETDIR(args->cmd);
2566 return (sys_ioctl(td, (struct ioctl_args *)args));
2567 }
2568
2569 #ifdef COMPAT_LINUX32
2570 static int
linux_ioctl_sg_io(struct thread * td,struct linux_ioctl_args * args)2571 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2572 {
2573 struct sg_io_hdr io;
2574 struct sg_io_hdr32 io32;
2575 struct file *fp;
2576 int error;
2577
2578 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
2579 if (error != 0) {
2580 printf("sg_linux_ioctl: fget returned %d\n", error);
2581 return (error);
2582 }
2583
2584 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2585 goto out;
2586
2587 CP(io32, io, interface_id);
2588 CP(io32, io, dxfer_direction);
2589 CP(io32, io, cmd_len);
2590 CP(io32, io, mx_sb_len);
2591 CP(io32, io, iovec_count);
2592 CP(io32, io, dxfer_len);
2593 PTRIN_CP(io32, io, dxferp);
2594 PTRIN_CP(io32, io, cmdp);
2595 PTRIN_CP(io32, io, sbp);
2596 CP(io32, io, timeout);
2597 CP(io32, io, flags);
2598 CP(io32, io, pack_id);
2599 PTRIN_CP(io32, io, usr_ptr);
2600 CP(io32, io, status);
2601 CP(io32, io, masked_status);
2602 CP(io32, io, msg_status);
2603 CP(io32, io, sb_len_wr);
2604 CP(io32, io, host_status);
2605 CP(io32, io, driver_status);
2606 CP(io32, io, resid);
2607 CP(io32, io, duration);
2608 CP(io32, io, info);
2609
2610 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2611 goto out;
2612
2613 CP(io, io32, interface_id);
2614 CP(io, io32, dxfer_direction);
2615 CP(io, io32, cmd_len);
2616 CP(io, io32, mx_sb_len);
2617 CP(io, io32, iovec_count);
2618 CP(io, io32, dxfer_len);
2619 PTROUT_CP(io, io32, dxferp);
2620 PTROUT_CP(io, io32, cmdp);
2621 PTROUT_CP(io, io32, sbp);
2622 CP(io, io32, timeout);
2623 CP(io, io32, flags);
2624 CP(io, io32, pack_id);
2625 PTROUT_CP(io, io32, usr_ptr);
2626 CP(io, io32, status);
2627 CP(io, io32, masked_status);
2628 CP(io, io32, msg_status);
2629 CP(io, io32, sb_len_wr);
2630 CP(io, io32, host_status);
2631 CP(io, io32, driver_status);
2632 CP(io, io32, resid);
2633 CP(io, io32, duration);
2634 CP(io, io32, info);
2635
2636 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2637
2638 out:
2639 fdrop(fp, td);
2640 return (error);
2641 }
2642 #endif
2643
2644 static int
linux_ioctl_sg(struct thread * td,struct linux_ioctl_args * args)2645 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2646 {
2647
2648 switch (args->cmd) {
2649 case LINUX_SG_GET_VERSION_NUM:
2650 args->cmd = SG_GET_VERSION_NUM;
2651 break;
2652 case LINUX_SG_SET_TIMEOUT:
2653 args->cmd = SG_SET_TIMEOUT;
2654 break;
2655 case LINUX_SG_GET_TIMEOUT:
2656 args->cmd = SG_GET_TIMEOUT;
2657 break;
2658 case LINUX_SG_IO:
2659 args->cmd = SG_IO;
2660 #ifdef COMPAT_LINUX32
2661 return (linux_ioctl_sg_io(td, args));
2662 #endif
2663 break;
2664 case LINUX_SG_GET_RESERVED_SIZE:
2665 args->cmd = SG_GET_RESERVED_SIZE;
2666 break;
2667 case LINUX_SG_GET_SCSI_ID:
2668 args->cmd = SG_GET_SCSI_ID;
2669 break;
2670 case LINUX_SG_GET_SG_TABLESIZE:
2671 args->cmd = SG_GET_SG_TABLESIZE;
2672 break;
2673 default:
2674 return (ENODEV);
2675 }
2676 return (sys_ioctl(td, (struct ioctl_args *)args));
2677 }
2678
2679 /*
2680 * Video4Linux (V4L) ioctl handler
2681 */
2682 static int
linux_to_bsd_v4l_tuner(struct l_video_tuner * lvt,struct video_tuner * vt)2683 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2684 {
2685 vt->tuner = lvt->tuner;
2686 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2687 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2688 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2689 vt->flags = lvt->flags;
2690 vt->mode = lvt->mode;
2691 vt->signal = lvt->signal;
2692 return (0);
2693 }
2694
2695 static int
bsd_to_linux_v4l_tuner(struct video_tuner * vt,struct l_video_tuner * lvt)2696 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2697 {
2698 lvt->tuner = vt->tuner;
2699 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2700 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2701 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2702 lvt->flags = vt->flags;
2703 lvt->mode = vt->mode;
2704 lvt->signal = vt->signal;
2705 return (0);
2706 }
2707
2708 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2709 static int
linux_to_bsd_v4l_clip(struct l_video_clip * lvc,struct video_clip * vc)2710 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2711 {
2712 vc->x = lvc->x;
2713 vc->y = lvc->y;
2714 vc->width = lvc->width;
2715 vc->height = lvc->height;
2716 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2717 return (0);
2718 }
2719 #endif
2720
2721 static int
linux_to_bsd_v4l_window(struct l_video_window * lvw,struct video_window * vw)2722 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2723 {
2724 vw->x = lvw->x;
2725 vw->y = lvw->y;
2726 vw->width = lvw->width;
2727 vw->height = lvw->height;
2728 vw->chromakey = lvw->chromakey;
2729 vw->flags = lvw->flags;
2730 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2731 vw->clipcount = lvw->clipcount;
2732 return (0);
2733 }
2734
2735 static int
bsd_to_linux_v4l_window(struct video_window * vw,struct l_video_window * lvw)2736 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2737 {
2738 memset(lvw, 0, sizeof(*lvw));
2739
2740 lvw->x = vw->x;
2741 lvw->y = vw->y;
2742 lvw->width = vw->width;
2743 lvw->height = vw->height;
2744 lvw->chromakey = vw->chromakey;
2745 lvw->flags = vw->flags;
2746 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2747 lvw->clipcount = vw->clipcount;
2748 return (0);
2749 }
2750
2751 static int
linux_to_bsd_v4l_buffer(struct l_video_buffer * lvb,struct video_buffer * vb)2752 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2753 {
2754 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2755 vb->height = lvb->height;
2756 vb->width = lvb->width;
2757 vb->depth = lvb->depth;
2758 vb->bytesperline = lvb->bytesperline;
2759 return (0);
2760 }
2761
2762 static int
bsd_to_linux_v4l_buffer(struct video_buffer * vb,struct l_video_buffer * lvb)2763 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2764 {
2765 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2766 lvb->height = vb->height;
2767 lvb->width = vb->width;
2768 lvb->depth = vb->depth;
2769 lvb->bytesperline = vb->bytesperline;
2770 return (0);
2771 }
2772
2773 static int
linux_to_bsd_v4l_code(struct l_video_code * lvc,struct video_code * vc)2774 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2775 {
2776 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2777 vc->datasize = lvc->datasize;
2778 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2779 return (0);
2780 }
2781
2782 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2783 static int
linux_v4l_clip_copy(void * lvc,struct video_clip ** ppvc)2784 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2785 {
2786 int error;
2787 struct video_clip vclip;
2788 struct l_video_clip l_vclip;
2789
2790 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2791 if (error) return (error);
2792 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2793 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2794 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2795 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */
2796 memcpy(*ppvc, &vclip, sizeof(vclip));
2797 (*ppvc)->next = NULL;
2798 return (0);
2799 }
2800
2801 static int
linux_v4l_cliplist_free(struct video_window * vw)2802 linux_v4l_cliplist_free(struct video_window *vw)
2803 {
2804 struct video_clip **ppvc;
2805 struct video_clip **ppvc_next;
2806
2807 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2808 ppvc_next = &((*ppvc)->next);
2809 free(*ppvc, M_LINUX);
2810 }
2811 vw->clips = NULL;
2812
2813 return (0);
2814 }
2815
2816 static int
linux_v4l_cliplist_copy(struct l_video_window * lvw,struct video_window * vw)2817 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2818 {
2819 int error;
2820 int clipcount;
2821 void *plvc;
2822 struct video_clip **ppvc;
2823
2824 /*
2825 * XXX: The cliplist is used to pass in a list of clipping
2826 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2827 * clipping bitmap. Some Linux apps, however, appear to
2828 * leave cliplist and clips uninitialized. In any case,
2829 * the cliplist is not used by pwc(4), at the time of
2830 * writing, FreeBSD's only V4L driver. When a driver
2831 * that uses the cliplist is developed, this code may
2832 * need re-examiniation.
2833 */
2834 error = 0;
2835 clipcount = vw->clipcount;
2836 if (clipcount == VIDEO_CLIP_BITMAP) {
2837 /*
2838 * In this case, the pointer (clips) is overloaded
2839 * to be a "void *" to a bitmap, therefore there
2840 * is no struct video_clip to copy now.
2841 */
2842 } else if (clipcount > 0 && clipcount <= 16384) {
2843 /*
2844 * Clips points to list of clip rectangles, so
2845 * copy the list.
2846 *
2847 * XXX: Upper limit of 16384 was used here to try to
2848 * avoid cases when clipcount and clips pointer
2849 * are uninitialized and therefore have high random
2850 * values, as is the case in the Linux Skype
2851 * application. The value 16384 was chosen as that
2852 * is what is used in the Linux stradis(4) MPEG
2853 * decoder driver, the only place we found an
2854 * example of cliplist use.
2855 */
2856 plvc = PTRIN(lvw->clips);
2857 vw->clips = NULL;
2858 ppvc = &(vw->clips);
2859 while (clipcount-- > 0) {
2860 if (plvc == NULL) {
2861 error = EFAULT;
2862 break;
2863 } else {
2864 error = linux_v4l_clip_copy(plvc, ppvc);
2865 if (error) {
2866 linux_v4l_cliplist_free(vw);
2867 break;
2868 }
2869 }
2870 ppvc = &((*ppvc)->next);
2871 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2872 }
2873 } else {
2874 /*
2875 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2876 * Force cliplist to null.
2877 */
2878 vw->clipcount = 0;
2879 vw->clips = NULL;
2880 }
2881 return (error);
2882 }
2883 #endif
2884
2885 static int
linux_ioctl_v4l(struct thread * td,struct linux_ioctl_args * args)2886 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2887 {
2888 struct file *fp;
2889 int error;
2890 struct video_tuner vtun;
2891 struct video_window vwin;
2892 struct video_buffer vbuf;
2893 struct video_code vcode;
2894 struct l_video_tuner l_vtun;
2895 struct l_video_window l_vwin;
2896 struct l_video_buffer l_vbuf;
2897 struct l_video_code l_vcode;
2898
2899 switch (args->cmd & 0xffff) {
2900 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2901 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2902 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2903
2904 case LINUX_VIDIOCGTUNER:
2905 error = fget(td, args->fd,
2906 &cap_ioctl_rights, &fp);
2907 if (error != 0)
2908 return (error);
2909 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2910 if (error) {
2911 fdrop(fp, td);
2912 return (error);
2913 }
2914 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2915 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2916 if (!error) {
2917 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2918 error = copyout(&l_vtun, (void *) args->arg,
2919 sizeof(l_vtun));
2920 }
2921 fdrop(fp, td);
2922 return (error);
2923
2924 case LINUX_VIDIOCSTUNER:
2925 error = fget(td, args->fd,
2926 &cap_ioctl_rights, &fp);
2927 if (error != 0)
2928 return (error);
2929 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2930 if (error) {
2931 fdrop(fp, td);
2932 return (error);
2933 }
2934 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2935 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2936 fdrop(fp, td);
2937 return (error);
2938
2939 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2940 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2941 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2942
2943 case LINUX_VIDIOCGWIN:
2944 error = fget(td, args->fd,
2945 &cap_ioctl_rights, &fp);
2946 if (error != 0)
2947 return (error);
2948 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2949 if (!error) {
2950 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2951 error = copyout(&l_vwin, (void *) args->arg,
2952 sizeof(l_vwin));
2953 }
2954 fdrop(fp, td);
2955 return (error);
2956
2957 case LINUX_VIDIOCSWIN:
2958 error = fget(td, args->fd,
2959 &cap_ioctl_rights, &fp);
2960 if (error != 0)
2961 return (error);
2962 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
2963 if (error) {
2964 fdrop(fp, td);
2965 return (error);
2966 }
2967 linux_to_bsd_v4l_window(&l_vwin, &vwin);
2968 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2969 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
2970 if (error) {
2971 fdrop(fp, td);
2972 return (error);
2973 }
2974 #endif
2975 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
2976 fdrop(fp, td);
2977 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2978 linux_v4l_cliplist_free(&vwin);
2979 #endif
2980 return (error);
2981
2982 case LINUX_VIDIOCGFBUF:
2983 error = fget(td, args->fd,
2984 &cap_ioctl_rights, &fp);
2985 if (error != 0)
2986 return (error);
2987 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
2988 if (!error) {
2989 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
2990 error = copyout(&l_vbuf, (void *) args->arg,
2991 sizeof(l_vbuf));
2992 }
2993 fdrop(fp, td);
2994 return (error);
2995
2996 case LINUX_VIDIOCSFBUF:
2997 error = fget(td, args->fd,
2998 &cap_ioctl_rights, &fp);
2999 if (error != 0)
3000 return (error);
3001 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
3002 if (error) {
3003 fdrop(fp, td);
3004 return (error);
3005 }
3006 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
3007 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
3008 fdrop(fp, td);
3009 return (error);
3010
3011 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
3012 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
3013 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
3014 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
3015 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
3016 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
3017 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
3018 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
3019 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
3020 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
3021 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
3022 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
3023 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
3024 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
3025
3026 case LINUX_VIDIOCSMICROCODE:
3027 error = fget(td, args->fd,
3028 &cap_ioctl_rights, &fp);
3029 if (error != 0)
3030 return (error);
3031 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
3032 if (error) {
3033 fdrop(fp, td);
3034 return (error);
3035 }
3036 linux_to_bsd_v4l_code(&l_vcode, &vcode);
3037 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
3038 fdrop(fp, td);
3039 return (error);
3040
3041 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
3042 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
3043 default: return (ENOIOCTL);
3044 }
3045
3046 error = sys_ioctl(td, (struct ioctl_args *)args);
3047 return (error);
3048 }
3049
3050 /*
3051 * Special ioctl handler
3052 */
3053 static int
linux_ioctl_special(struct thread * td,struct linux_ioctl_args * args)3054 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
3055 {
3056 int error;
3057
3058 switch (args->cmd) {
3059 case LINUX_SIOCGIFADDR:
3060 args->cmd = SIOCGIFADDR;
3061 error = sys_ioctl(td, (struct ioctl_args *)args);
3062 break;
3063 case LINUX_SIOCSIFADDR:
3064 args->cmd = SIOCSIFADDR;
3065 error = sys_ioctl(td, (struct ioctl_args *)args);
3066 break;
3067 case LINUX_SIOCGIFFLAGS:
3068 args->cmd = SIOCGIFFLAGS;
3069 error = sys_ioctl(td, (struct ioctl_args *)args);
3070 break;
3071 default:
3072 error = ENOIOCTL;
3073 }
3074
3075 return (error);
3076 }
3077
3078 static int
linux_to_bsd_v4l2_standard(struct l_v4l2_standard * lvstd,struct v4l2_standard * vstd)3079 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3080 {
3081 vstd->index = lvstd->index;
3082 vstd->id = lvstd->id;
3083 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3084 memcpy(vstd->name, lvstd->name, sizeof(vstd->name));
3085 vstd->frameperiod = lvstd->frameperiod;
3086 vstd->framelines = lvstd->framelines;
3087 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3088 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved));
3089 return (0);
3090 }
3091
3092 static int
bsd_to_linux_v4l2_standard(struct v4l2_standard * vstd,struct l_v4l2_standard * lvstd)3093 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3094 {
3095 lvstd->index = vstd->index;
3096 lvstd->id = vstd->id;
3097 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name));
3098 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name));
3099 lvstd->frameperiod = vstd->frameperiod;
3100 lvstd->framelines = vstd->framelines;
3101 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved));
3102 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved));
3103 return (0);
3104 }
3105
3106 static int
linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer * lvb,struct v4l2_buffer * vb)3107 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3108 {
3109 vb->index = lvb->index;
3110 vb->type = lvb->type;
3111 vb->bytesused = lvb->bytesused;
3112 vb->flags = lvb->flags;
3113 vb->field = lvb->field;
3114 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3115 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3116 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3117 vb->sequence = lvb->sequence;
3118 vb->memory = lvb->memory;
3119 if (lvb->memory == V4L2_MEMORY_USERPTR)
3120 /* possible pointer size conversion */
3121 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3122 else
3123 vb->m.offset = lvb->m.offset;
3124 vb->length = lvb->length;
3125 vb->input = lvb->input;
3126 vb->reserved = lvb->reserved;
3127 return (0);
3128 }
3129
3130 static int
bsd_to_linux_v4l2_buffer(struct v4l2_buffer * vb,struct l_v4l2_buffer * lvb)3131 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3132 {
3133 lvb->index = vb->index;
3134 lvb->type = vb->type;
3135 lvb->bytesused = vb->bytesused;
3136 lvb->flags = vb->flags;
3137 lvb->field = vb->field;
3138 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3139 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3140 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3141 lvb->sequence = vb->sequence;
3142 lvb->memory = vb->memory;
3143 if (vb->memory == V4L2_MEMORY_USERPTR)
3144 /* possible pointer size conversion */
3145 lvb->m.userptr = PTROUT(vb->m.userptr);
3146 else
3147 lvb->m.offset = vb->m.offset;
3148 lvb->length = vb->length;
3149 lvb->input = vb->input;
3150 lvb->reserved = vb->reserved;
3151 return (0);
3152 }
3153
3154 static int
linux_to_bsd_v4l2_format(struct l_v4l2_format * lvf,struct v4l2_format * vf)3155 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3156 {
3157 vf->type = lvf->type;
3158 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3159 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3160 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3161 #endif
3162 )
3163 /*
3164 * XXX TODO - needs 32 -> 64 bit conversion:
3165 * (unused by webcams?)
3166 */
3167 return (EINVAL);
3168 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3169 return (0);
3170 }
3171
3172 static int
bsd_to_linux_v4l2_format(struct v4l2_format * vf,struct l_v4l2_format * lvf)3173 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3174 {
3175 lvf->type = vf->type;
3176 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3177 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3178 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3179 #endif
3180 )
3181 /*
3182 * XXX TODO - needs 32 -> 64 bit conversion:
3183 * (unused by webcams?)
3184 */
3185 return (EINVAL);
3186 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3187 return (0);
3188 }
3189 static int
linux_ioctl_v4l2(struct thread * td,struct linux_ioctl_args * args)3190 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3191 {
3192 struct file *fp;
3193 int error;
3194 struct v4l2_format vformat;
3195 struct l_v4l2_format l_vformat;
3196 struct v4l2_standard vstd;
3197 struct l_v4l2_standard l_vstd;
3198 struct l_v4l2_buffer l_vbuf;
3199 struct v4l2_buffer vbuf;
3200 struct v4l2_input vinp;
3201
3202 switch (args->cmd & 0xffff) {
3203 case LINUX_VIDIOC_RESERVED:
3204 case LINUX_VIDIOC_LOG_STATUS:
3205 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3206 return (ENOIOCTL);
3207 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3208 break;
3209
3210 case LINUX_VIDIOC_OVERLAY:
3211 case LINUX_VIDIOC_STREAMON:
3212 case LINUX_VIDIOC_STREAMOFF:
3213 case LINUX_VIDIOC_S_STD:
3214 case LINUX_VIDIOC_S_TUNER:
3215 case LINUX_VIDIOC_S_AUDIO:
3216 case LINUX_VIDIOC_S_AUDOUT:
3217 case LINUX_VIDIOC_S_MODULATOR:
3218 case LINUX_VIDIOC_S_FREQUENCY:
3219 case LINUX_VIDIOC_S_CROP:
3220 case LINUX_VIDIOC_S_JPEGCOMP:
3221 case LINUX_VIDIOC_S_PRIORITY:
3222 case LINUX_VIDIOC_DBG_S_REGISTER:
3223 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3224 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3225 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3226 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3227 break;
3228
3229 case LINUX_VIDIOC_QUERYCAP:
3230 case LINUX_VIDIOC_G_STD:
3231 case LINUX_VIDIOC_G_AUDIO:
3232 case LINUX_VIDIOC_G_INPUT:
3233 case LINUX_VIDIOC_G_OUTPUT:
3234 case LINUX_VIDIOC_G_AUDOUT:
3235 case LINUX_VIDIOC_G_JPEGCOMP:
3236 case LINUX_VIDIOC_QUERYSTD:
3237 case LINUX_VIDIOC_G_PRIORITY:
3238 case LINUX_VIDIOC_QUERY_DV_PRESET:
3239 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3240 break;
3241
3242 case LINUX_VIDIOC_ENUM_FMT:
3243 case LINUX_VIDIOC_REQBUFS:
3244 case LINUX_VIDIOC_G_PARM:
3245 case LINUX_VIDIOC_S_PARM:
3246 case LINUX_VIDIOC_G_CTRL:
3247 case LINUX_VIDIOC_S_CTRL:
3248 case LINUX_VIDIOC_G_TUNER:
3249 case LINUX_VIDIOC_QUERYCTRL:
3250 case LINUX_VIDIOC_QUERYMENU:
3251 case LINUX_VIDIOC_S_INPUT:
3252 case LINUX_VIDIOC_S_OUTPUT:
3253 case LINUX_VIDIOC_ENUMOUTPUT:
3254 case LINUX_VIDIOC_G_MODULATOR:
3255 case LINUX_VIDIOC_G_FREQUENCY:
3256 case LINUX_VIDIOC_CROPCAP:
3257 case LINUX_VIDIOC_G_CROP:
3258 case LINUX_VIDIOC_ENUMAUDIO:
3259 case LINUX_VIDIOC_ENUMAUDOUT:
3260 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3261 #ifdef VIDIOC_ENUM_FRAMESIZES
3262 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3263 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3264 case LINUX_VIDIOC_ENCODER_CMD:
3265 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3266 #endif
3267 case LINUX_VIDIOC_DBG_G_REGISTER:
3268 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3269 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3270 case LINUX_VIDIOC_S_DV_PRESET:
3271 case LINUX_VIDIOC_G_DV_PRESET:
3272 case LINUX_VIDIOC_S_DV_TIMINGS:
3273 case LINUX_VIDIOC_G_DV_TIMINGS:
3274 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3275 break;
3276
3277 case LINUX_VIDIOC_G_FMT:
3278 case LINUX_VIDIOC_S_FMT:
3279 case LINUX_VIDIOC_TRY_FMT:
3280 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3281 if (error)
3282 return (error);
3283 error = fget(td, args->fd,
3284 &cap_ioctl_rights, &fp);
3285 if (error)
3286 return (error);
3287 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3288 error = EINVAL;
3289 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3290 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3291 td->td_ucred, td);
3292 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3293 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3294 td->td_ucred, td);
3295 else
3296 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3297 td->td_ucred, td);
3298 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3299 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
3300 fdrop(fp, td);
3301 return (error);
3302
3303 case LINUX_VIDIOC_ENUMSTD:
3304 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3305 if (error)
3306 return (error);
3307 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3308 error = fget(td, args->fd,
3309 &cap_ioctl_rights, &fp);
3310 if (error)
3311 return (error);
3312 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3313 td->td_ucred, td);
3314 if (error) {
3315 fdrop(fp, td);
3316 return (error);
3317 }
3318 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3319 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3320 fdrop(fp, td);
3321 return (error);
3322
3323 case LINUX_VIDIOC_ENUMINPUT:
3324 /*
3325 * The Linux struct l_v4l2_input differs only in size,
3326 * it has no padding at the end.
3327 */
3328 error = copyin((void *)args->arg, &vinp,
3329 sizeof(struct l_v4l2_input));
3330 if (error != 0)
3331 return (error);
3332 error = fget(td, args->fd,
3333 &cap_ioctl_rights, &fp);
3334 if (error != 0)
3335 return (error);
3336 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3337 td->td_ucred, td);
3338 if (error) {
3339 fdrop(fp, td);
3340 return (error);
3341 }
3342 error = copyout(&vinp, (void *)args->arg,
3343 sizeof(struct l_v4l2_input));
3344 fdrop(fp, td);
3345 return (error);
3346
3347 case LINUX_VIDIOC_QUERYBUF:
3348 case LINUX_VIDIOC_QBUF:
3349 case LINUX_VIDIOC_DQBUF:
3350 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3351 if (error)
3352 return (error);
3353 error = fget(td, args->fd,
3354 &cap_ioctl_rights, &fp);
3355 if (error)
3356 return (error);
3357 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3358 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3359 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3360 td->td_ucred, td);
3361 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3362 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3363 td->td_ucred, td);
3364 else
3365 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3366 td->td_ucred, td);
3367 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3368 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
3369 fdrop(fp, td);
3370 return (error);
3371
3372 /*
3373 * XXX TODO - these need 32 -> 64 bit conversion:
3374 * (are any of them needed for webcams?)
3375 */
3376 case LINUX_VIDIOC_G_FBUF:
3377 case LINUX_VIDIOC_S_FBUF:
3378
3379 case LINUX_VIDIOC_G_EXT_CTRLS:
3380 case LINUX_VIDIOC_S_EXT_CTRLS:
3381 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3382
3383 case LINUX_VIDIOC_DQEVENT:
3384
3385 default: return (ENOIOCTL);
3386 }
3387
3388 error = sys_ioctl(td, (struct ioctl_args *)args);
3389 return (error);
3390 }
3391
3392 /*
3393 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3394 * instead of USB* ones. This lets us to provide correct values for cmd.
3395 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3396 */
3397 static int
linux_ioctl_fbsd_usb(struct thread * td,struct linux_ioctl_args * args)3398 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3399 {
3400 int error;
3401
3402 error = 0;
3403 switch (args->cmd) {
3404 case FBSD_LUSB_DEVICEENUMERATE:
3405 args->cmd = USB_DEVICEENUMERATE;
3406 break;
3407 case FBSD_LUSB_DEV_QUIRK_ADD:
3408 args->cmd = USB_DEV_QUIRK_ADD;
3409 break;
3410 case FBSD_LUSB_DEV_QUIRK_GET:
3411 args->cmd = USB_DEV_QUIRK_GET;
3412 break;
3413 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3414 args->cmd = USB_DEV_QUIRK_REMOVE;
3415 break;
3416 case FBSD_LUSB_DO_REQUEST:
3417 args->cmd = USB_DO_REQUEST;
3418 break;
3419 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3420 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3421 break;
3422 case FBSD_LUSB_FS_CLOSE:
3423 args->cmd = USB_FS_CLOSE;
3424 break;
3425 case FBSD_LUSB_FS_COMPLETE:
3426 args->cmd = USB_FS_COMPLETE;
3427 break;
3428 case FBSD_LUSB_FS_INIT:
3429 args->cmd = USB_FS_INIT;
3430 break;
3431 case FBSD_LUSB_FS_OPEN:
3432 args->cmd = USB_FS_OPEN;
3433 break;
3434 case FBSD_LUSB_FS_START:
3435 args->cmd = USB_FS_START;
3436 break;
3437 case FBSD_LUSB_FS_STOP:
3438 args->cmd = USB_FS_STOP;
3439 break;
3440 case FBSD_LUSB_FS_UNINIT:
3441 args->cmd = USB_FS_UNINIT;
3442 break;
3443 case FBSD_LUSB_GET_CONFIG:
3444 args->cmd = USB_GET_CONFIG;
3445 break;
3446 case FBSD_LUSB_GET_DEVICEINFO:
3447 args->cmd = USB_GET_DEVICEINFO;
3448 break;
3449 case FBSD_LUSB_GET_DEVICE_DESC:
3450 args->cmd = USB_GET_DEVICE_DESC;
3451 break;
3452 case FBSD_LUSB_GET_FULL_DESC:
3453 args->cmd = USB_GET_FULL_DESC;
3454 break;
3455 case FBSD_LUSB_GET_IFACE_DRIVER:
3456 args->cmd = USB_GET_IFACE_DRIVER;
3457 break;
3458 case FBSD_LUSB_GET_PLUGTIME:
3459 args->cmd = USB_GET_PLUGTIME;
3460 break;
3461 case FBSD_LUSB_GET_POWER_MODE:
3462 args->cmd = USB_GET_POWER_MODE;
3463 break;
3464 case FBSD_LUSB_GET_REPORT_DESC:
3465 args->cmd = USB_GET_REPORT_DESC;
3466 break;
3467 case FBSD_LUSB_GET_REPORT_ID:
3468 args->cmd = USB_GET_REPORT_ID;
3469 break;
3470 case FBSD_LUSB_GET_TEMPLATE:
3471 args->cmd = USB_GET_TEMPLATE;
3472 break;
3473 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3474 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3475 break;
3476 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3477 args->cmd = USB_IFACE_DRIVER_DETACH;
3478 break;
3479 case FBSD_LUSB_QUIRK_NAME_GET:
3480 args->cmd = USB_QUIRK_NAME_GET;
3481 break;
3482 case FBSD_LUSB_READ_DIR:
3483 args->cmd = USB_READ_DIR;
3484 break;
3485 case FBSD_LUSB_SET_ALTINTERFACE:
3486 args->cmd = USB_SET_ALTINTERFACE;
3487 break;
3488 case FBSD_LUSB_SET_CONFIG:
3489 args->cmd = USB_SET_CONFIG;
3490 break;
3491 case FBSD_LUSB_SET_IMMED:
3492 args->cmd = USB_SET_IMMED;
3493 break;
3494 case FBSD_LUSB_SET_POWER_MODE:
3495 args->cmd = USB_SET_POWER_MODE;
3496 break;
3497 case FBSD_LUSB_SET_TEMPLATE:
3498 args->cmd = USB_SET_TEMPLATE;
3499 break;
3500 case FBSD_LUSB_FS_OPEN_STREAM:
3501 args->cmd = USB_FS_OPEN_STREAM;
3502 break;
3503 case FBSD_LUSB_GET_DEV_PORT_PATH:
3504 args->cmd = USB_GET_DEV_PORT_PATH;
3505 break;
3506 case FBSD_LUSB_GET_POWER_USAGE:
3507 args->cmd = USB_GET_POWER_USAGE;
3508 break;
3509 case FBSD_LUSB_DEVICESTATS:
3510 args->cmd = USB_DEVICESTATS;
3511 break;
3512 default:
3513 error = ENOIOCTL;
3514 }
3515 if (error != ENOIOCTL)
3516 error = sys_ioctl(td, (struct ioctl_args *)args);
3517 return (error);
3518 }
3519
3520 /*
3521 * Some evdev ioctls must be translated.
3522 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data
3523 * (must be IOC_INOUT on FreeBSD).
3524 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with
3525 * an int argument. You don't pass an int pointer to the ioctl(), however,
3526 * but just the int directly. On FreeBSD, they are defined as _IOWINT for
3527 * this to work.
3528 */
3529 static int
linux_ioctl_evdev(struct thread * td,struct linux_ioctl_args * args)3530 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args)
3531 {
3532 struct file *fp;
3533 clockid_t clock;
3534 int error;
3535
3536 args->cmd = SETDIR(args->cmd);
3537
3538 switch (args->cmd) {
3539 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN:
3540 args->cmd = EVIOCGRAB;
3541 break;
3542 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN:
3543 args->cmd = EVIOCREVOKE;
3544 break;
3545 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN:
3546 args->cmd = EVIOCRMFF;
3547 break;
3548 case EVIOCSCLOCKID: {
3549 error = copyin(PTRIN(args->arg), &clock, sizeof(clock));
3550 if (error != 0)
3551 return (error);
3552 if (clock & ~(LINUX_IOCTL_EVDEV_CLK))
3553 return (EINVAL);
3554 error = linux_to_native_clockid(&clock, clock);
3555 if (error != 0)
3556 return (error);
3557
3558 error = fget(td, args->fd,
3559 &cap_ioctl_rights, &fp);
3560 if (error != 0)
3561 return (error);
3562
3563 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td);
3564 fdrop(fp, td);
3565 return (error);
3566 }
3567 default:
3568 break;
3569 }
3570
3571 if (IOCBASECMD(args->cmd) ==
3572 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT))
3573 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3574
3575 return (sys_ioctl(td, (struct ioctl_args *)args));
3576 }
3577
3578 /*
3579 * main ioctl syscall function
3580 */
3581
3582 int
linux_ioctl(struct thread * td,struct linux_ioctl_args * args)3583 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3584 {
3585 struct file *fp;
3586 struct linux_ioctl_handler_element *he;
3587 int error, cmd;
3588
3589 error = fget(td, args->fd, &cap_ioctl_rights, &fp);
3590 if (error != 0)
3591 return (error);
3592 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3593 fdrop(fp, td);
3594 return (EBADF);
3595 }
3596
3597 /* Iterate over the ioctl handlers */
3598 cmd = args->cmd & 0xffff;
3599 sx_slock(&linux_ioctl_sx);
3600 mtx_lock(&Giant);
3601 #ifdef COMPAT_LINUX32
3602 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3603 if (cmd >= he->low && cmd <= he->high) {
3604 error = (*he->func)(td, args);
3605 if (error != ENOIOCTL) {
3606 mtx_unlock(&Giant);
3607 sx_sunlock(&linux_ioctl_sx);
3608 fdrop(fp, td);
3609 return (error);
3610 }
3611 }
3612 }
3613 #endif
3614 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3615 if (cmd >= he->low && cmd <= he->high) {
3616 error = (*he->func)(td, args);
3617 if (error != ENOIOCTL) {
3618 mtx_unlock(&Giant);
3619 sx_sunlock(&linux_ioctl_sx);
3620 fdrop(fp, td);
3621 return (error);
3622 }
3623 }
3624 }
3625 mtx_unlock(&Giant);
3626 sx_sunlock(&linux_ioctl_sx);
3627 fdrop(fp, td);
3628
3629 switch (args->cmd & 0xffff) {
3630 case LINUX_BTRFS_IOC_CLONE:
3631 case LINUX_FS_IOC_FIEMAP:
3632 return (ENOTSUP);
3633
3634 default:
3635 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3636 args->fd, (int)(args->cmd & 0xffff),
3637 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3638 break;
3639 }
3640
3641 return (EINVAL);
3642 }
3643
3644 int
linux_ioctl_register_handler(struct linux_ioctl_handler * h)3645 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3646 {
3647 struct linux_ioctl_handler_element *he, *cur;
3648
3649 if (h == NULL || h->func == NULL)
3650 return (EINVAL);
3651
3652 /*
3653 * Reuse the element if the handler is already on the list, otherwise
3654 * create a new element.
3655 */
3656 sx_xlock(&linux_ioctl_sx);
3657 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3658 if (he->func == h->func)
3659 break;
3660 }
3661 if (he == NULL) {
3662 he = malloc(sizeof(*he),
3663 M_LINUX, M_WAITOK);
3664 he->func = h->func;
3665 } else
3666 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3667
3668 /* Initialize range information. */
3669 he->low = h->low;
3670 he->high = h->high;
3671 he->span = h->high - h->low + 1;
3672
3673 /* Add the element to the list, sorted on span. */
3674 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) {
3675 if (cur->span > he->span) {
3676 TAILQ_INSERT_BEFORE(cur, he, list);
3677 sx_xunlock(&linux_ioctl_sx);
3678 return (0);
3679 }
3680 }
3681 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list);
3682 sx_xunlock(&linux_ioctl_sx);
3683
3684 return (0);
3685 }
3686
3687 int
linux_ioctl_unregister_handler(struct linux_ioctl_handler * h)3688 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3689 {
3690 struct linux_ioctl_handler_element *he;
3691
3692 if (h == NULL || h->func == NULL)
3693 return (EINVAL);
3694
3695 sx_xlock(&linux_ioctl_sx);
3696 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) {
3697 if (he->func == h->func) {
3698 TAILQ_REMOVE(&linux_ioctl_handlers, he, list);
3699 sx_xunlock(&linux_ioctl_sx);
3700 free(he, M_LINUX);
3701 return (0);
3702 }
3703 }
3704 sx_xunlock(&linux_ioctl_sx);
3705
3706 return (EINVAL);
3707 }
3708
3709 #ifdef COMPAT_LINUX32
3710 int
linux32_ioctl_register_handler(struct linux_ioctl_handler * h)3711 linux32_ioctl_register_handler(struct linux_ioctl_handler *h)
3712 {
3713 struct linux_ioctl_handler_element *he, *cur;
3714
3715 if (h == NULL || h->func == NULL)
3716 return (EINVAL);
3717
3718 /*
3719 * Reuse the element if the handler is already on the list, otherwise
3720 * create a new element.
3721 */
3722 sx_xlock(&linux_ioctl_sx);
3723 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3724 if (he->func == h->func)
3725 break;
3726 }
3727 if (he == NULL) {
3728 he = malloc(sizeof(*he), M_LINUX, M_WAITOK);
3729 he->func = h->func;
3730 } else
3731 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3732
3733 /* Initialize range information. */
3734 he->low = h->low;
3735 he->high = h->high;
3736 he->span = h->high - h->low + 1;
3737
3738 /* Add the element to the list, sorted on span. */
3739 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) {
3740 if (cur->span > he->span) {
3741 TAILQ_INSERT_BEFORE(cur, he, list);
3742 sx_xunlock(&linux_ioctl_sx);
3743 return (0);
3744 }
3745 }
3746 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list);
3747 sx_xunlock(&linux_ioctl_sx);
3748
3749 return (0);
3750 }
3751
3752 int
linux32_ioctl_unregister_handler(struct linux_ioctl_handler * h)3753 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3754 {
3755 struct linux_ioctl_handler_element *he;
3756
3757 if (h == NULL || h->func == NULL)
3758 return (EINVAL);
3759
3760 sx_xlock(&linux_ioctl_sx);
3761 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) {
3762 if (he->func == h->func) {
3763 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list);
3764 sx_xunlock(&linux_ioctl_sx);
3765 free(he, M_LINUX);
3766 return (0);
3767 }
3768 }
3769 sx_xunlock(&linux_ioctl_sx);
3770
3771 return (EINVAL);
3772 }
3773 #endif
3774