1 /*-
2 * Copyright (c) 1994-1995 Søren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "opt_compat.h"
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: releng/9.0/sys/compat/linux/linux_ioctl.c 243417 2012-11-22 22:52:15Z simon $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/sysproto.h>
37 #include <sys/capability.h>
38 #include <sys/cdio.h>
39 #include <sys/dvdio.h>
40 #include <sys/conf.h>
41 #include <sys/disk.h>
42 #include <sys/consio.h>
43 #include <sys/ctype.h>
44 #include <sys/fcntl.h>
45 #include <sys/file.h>
46 #include <sys/filedesc.h>
47 #include <sys/filio.h>
48 #include <sys/jail.h>
49 #include <sys/kbio.h>
50 #include <sys/kernel.h>
51 #include <sys/linker_set.h>
52 #include <sys/lock.h>
53 #include <sys/malloc.h>
54 #include <sys/proc.h>
55 #include <sys/sbuf.h>
56 #include <sys/socket.h>
57 #include <sys/sockio.h>
58 #include <sys/soundcard.h>
59 #include <sys/stdint.h>
60 #include <sys/sx.h>
61 #include <sys/sysctl.h>
62 #include <sys/tty.h>
63 #include <sys/uio.h>
64 #include <sys/types.h>
65 #include <sys/mman.h>
66 #include <sys/resourcevar.h>
67
68 #include <net/if.h>
69 #include <net/if_dl.h>
70 #include <net/if_types.h>
71 #include <net/vnet.h>
72
73 #include <dev/usb/usb_ioctl.h>
74
75 #ifdef COMPAT_LINUX32
76 #include <machine/../linux32/linux.h>
77 #include <machine/../linux32/linux32_proto.h>
78 #else
79 #include <machine/../linux/linux.h>
80 #include <machine/../linux/linux_proto.h>
81 #endif
82
83 #include <compat/linux/linux_ioctl.h>
84 #include <compat/linux/linux_mib.h>
85 #include <compat/linux/linux_socket.h>
86 #include <compat/linux/linux_util.h>
87
88 #include <compat/linux/linux_videodev.h>
89 #include <compat/linux/linux_videodev_compat.h>
90
91 #include <compat/linux/linux_videodev2.h>
92 #include <compat/linux/linux_videodev2_compat.h>
93
94 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
95
96 FEATURE(linuxulator_v4l, "V4L ioctl wrapper support in the linuxulator");
97 FEATURE(linuxulator_v4l2, "V4L2 ioctl wrapper support in the linuxulator");
98
99 static linux_ioctl_function_t linux_ioctl_cdrom;
100 static linux_ioctl_function_t linux_ioctl_vfat;
101 static linux_ioctl_function_t linux_ioctl_console;
102 static linux_ioctl_function_t linux_ioctl_hdio;
103 static linux_ioctl_function_t linux_ioctl_disk;
104 static linux_ioctl_function_t linux_ioctl_socket;
105 static linux_ioctl_function_t linux_ioctl_sound;
106 static linux_ioctl_function_t linux_ioctl_termio;
107 static linux_ioctl_function_t linux_ioctl_private;
108 static linux_ioctl_function_t linux_ioctl_drm;
109 static linux_ioctl_function_t linux_ioctl_sg;
110 static linux_ioctl_function_t linux_ioctl_v4l;
111 static linux_ioctl_function_t linux_ioctl_v4l2;
112 static linux_ioctl_function_t linux_ioctl_special;
113 static linux_ioctl_function_t linux_ioctl_fbsd_usb;
114
115 static struct linux_ioctl_handler cdrom_handler =
116 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
117 static struct linux_ioctl_handler vfat_handler =
118 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
119 static struct linux_ioctl_handler console_handler =
120 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
121 static struct linux_ioctl_handler hdio_handler =
122 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
123 static struct linux_ioctl_handler disk_handler =
124 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
125 static struct linux_ioctl_handler socket_handler =
126 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
127 static struct linux_ioctl_handler sound_handler =
128 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
129 static struct linux_ioctl_handler termio_handler =
130 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
131 static struct linux_ioctl_handler private_handler =
132 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
133 static struct linux_ioctl_handler drm_handler =
134 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
135 static struct linux_ioctl_handler sg_handler =
136 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
137 static struct linux_ioctl_handler video_handler =
138 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX };
139 static struct linux_ioctl_handler video2_handler =
140 { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX };
141 static struct linux_ioctl_handler fbsd_usb =
142 { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX };
143
144 DATA_SET(linux_ioctl_handler_set, cdrom_handler);
145 DATA_SET(linux_ioctl_handler_set, vfat_handler);
146 DATA_SET(linux_ioctl_handler_set, console_handler);
147 DATA_SET(linux_ioctl_handler_set, hdio_handler);
148 DATA_SET(linux_ioctl_handler_set, disk_handler);
149 DATA_SET(linux_ioctl_handler_set, socket_handler);
150 DATA_SET(linux_ioctl_handler_set, sound_handler);
151 DATA_SET(linux_ioctl_handler_set, termio_handler);
152 DATA_SET(linux_ioctl_handler_set, private_handler);
153 DATA_SET(linux_ioctl_handler_set, drm_handler);
154 DATA_SET(linux_ioctl_handler_set, sg_handler);
155 DATA_SET(linux_ioctl_handler_set, video_handler);
156 DATA_SET(linux_ioctl_handler_set, video2_handler);
157 DATA_SET(linux_ioctl_handler_set, fbsd_usb);
158
159 struct handler_element
160 {
161 TAILQ_ENTRY(handler_element) list;
162 int (*func)(struct thread *, struct linux_ioctl_args *);
163 int low, high, span;
164 };
165
166 static TAILQ_HEAD(, handler_element) handlers =
167 TAILQ_HEAD_INITIALIZER(handlers);
168 static struct sx linux_ioctl_sx;
169 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers");
170
171 /*
172 * hdio related ioctls for VMWare support
173 */
174
175 struct linux_hd_geometry {
176 u_int8_t heads;
177 u_int8_t sectors;
178 u_int16_t cylinders;
179 u_int32_t start;
180 };
181
182 struct linux_hd_big_geometry {
183 u_int8_t heads;
184 u_int8_t sectors;
185 u_int32_t cylinders;
186 u_int32_t start;
187 };
188
189 static int
190 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
191 {
192 struct file *fp;
193 int error;
194 u_int sectorsize, fwcylinders, fwheads, fwsectors;
195 off_t mediasize, bytespercyl;
196
197 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
198 return (error);
199 switch (args->cmd & 0xffff) {
200 case LINUX_HDIO_GET_GEO:
201 case LINUX_HDIO_GET_GEO_BIG:
202 error = fo_ioctl(fp, DIOCGMEDIASIZE,
203 (caddr_t)&mediasize, td->td_ucred, td);
204 if (!error)
205 error = fo_ioctl(fp, DIOCGSECTORSIZE,
206 (caddr_t)§orsize, td->td_ucred, td);
207 if (!error)
208 error = fo_ioctl(fp, DIOCGFWHEADS,
209 (caddr_t)&fwheads, td->td_ucred, td);
210 if (!error)
211 error = fo_ioctl(fp, DIOCGFWSECTORS,
212 (caddr_t)&fwsectors, td->td_ucred, td);
213 /*
214 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
215 * so pretend that GEOM always says 0. This is NOT VALID
216 * for slices or partitions, only the per-disk raw devices.
217 */
218
219 fdrop(fp, td);
220 if (error)
221 return (error);
222 /*
223 * 1. Calculate the number of bytes in a cylinder,
224 * given the firmware's notion of heads and sectors
225 * per cylinder.
226 * 2. Calculate the number of cylinders, given the total
227 * size of the media.
228 * All internal calculations should have 64-bit precision.
229 */
230 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
231 fwcylinders = mediasize / bytespercyl;
232 #if defined(DEBUG)
233 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, "
234 "bpc %jd",
235 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors,
236 (intmax_t)bytespercyl);
237 #endif
238 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
239 struct linux_hd_geometry hdg;
240
241 hdg.cylinders = fwcylinders;
242 hdg.heads = fwheads;
243 hdg.sectors = fwsectors;
244 hdg.start = 0;
245 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
246 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
247 struct linux_hd_big_geometry hdbg;
248
249 hdbg.cylinders = fwcylinders;
250 hdbg.heads = fwheads;
251 hdbg.sectors = fwsectors;
252 hdbg.start = 0;
253 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
254 }
255 return (error);
256 break;
257 default:
258 /* XXX */
259 linux_msg(td,
260 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
261 args->fd, (int)(args->cmd & 0xffff),
262 (int)(args->cmd & 0xff00) >> 8,
263 (int)(args->cmd & 0xff));
264 break;
265 }
266 fdrop(fp, td);
267 return (ENOIOCTL);
268 }
269
270 static int
271 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
272 {
273 struct file *fp;
274 int error;
275 u_int sectorsize;
276 off_t mediasize;
277
278 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
279 return (error);
280 switch (args->cmd & 0xffff) {
281 case LINUX_BLKGETSIZE:
282 error = fo_ioctl(fp, DIOCGSECTORSIZE,
283 (caddr_t)§orsize, td->td_ucred, td);
284 if (!error)
285 error = fo_ioctl(fp, DIOCGMEDIASIZE,
286 (caddr_t)&mediasize, td->td_ucred, td);
287 fdrop(fp, td);
288 if (error)
289 return (error);
290 sectorsize = mediasize / sectorsize;
291 /*
292 * XXX: How do we know we return the right size of integer ?
293 */
294 return (copyout(§orsize, (void *)args->arg,
295 sizeof(sectorsize)));
296 break;
297 }
298 fdrop(fp, td);
299 return (ENOIOCTL);
300 }
301
302 /*
303 * termio related ioctls
304 */
305
306 struct linux_termio {
307 unsigned short c_iflag;
308 unsigned short c_oflag;
309 unsigned short c_cflag;
310 unsigned short c_lflag;
311 unsigned char c_line;
312 unsigned char c_cc[LINUX_NCC];
313 };
314
315 struct linux_termios {
316 unsigned int c_iflag;
317 unsigned int c_oflag;
318 unsigned int c_cflag;
319 unsigned int c_lflag;
320 unsigned char c_line;
321 unsigned char c_cc[LINUX_NCCS];
322 };
323
324 struct linux_winsize {
325 unsigned short ws_row, ws_col;
326 unsigned short ws_xpixel, ws_ypixel;
327 };
328
329 struct speedtab {
330 int sp_speed; /* Speed. */
331 int sp_code; /* Code. */
332 };
333
334 static struct speedtab sptab[] = {
335 { B0, LINUX_B0 }, { B50, LINUX_B50 },
336 { B75, LINUX_B75 }, { B110, LINUX_B110 },
337 { B134, LINUX_B134 }, { B150, LINUX_B150 },
338 { B200, LINUX_B200 }, { B300, LINUX_B300 },
339 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
340 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
341 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
342 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
343 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
344 {-1, -1 }
345 };
346
347 struct linux_serial_struct {
348 int type;
349 int line;
350 int port;
351 int irq;
352 int flags;
353 int xmit_fifo_size;
354 int custom_divisor;
355 int baud_base;
356 unsigned short close_delay;
357 char reserved_char[2];
358 int hub6;
359 unsigned short closing_wait;
360 unsigned short closing_wait2;
361 int reserved[4];
362 };
363
364 static int
365 linux_to_bsd_speed(int code, struct speedtab *table)
366 {
367 for ( ; table->sp_code != -1; table++)
368 if (table->sp_code == code)
369 return (table->sp_speed);
370 return -1;
371 }
372
373 static int
374 bsd_to_linux_speed(int speed, struct speedtab *table)
375 {
376 for ( ; table->sp_speed != -1; table++)
377 if (table->sp_speed == speed)
378 return (table->sp_code);
379 return -1;
380 }
381
382 static void
383 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
384 {
385 int i;
386
387 #ifdef DEBUG
388 if (ldebug(ioctl)) {
389 printf("LINUX: BSD termios structure (input):\n");
390 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
391 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
392 bios->c_ispeed, bios->c_ospeed);
393 printf("c_cc ");
394 for (i=0; i<NCCS; i++)
395 printf("%02x ", bios->c_cc[i]);
396 printf("\n");
397 }
398 #endif
399
400 lios->c_iflag = 0;
401 if (bios->c_iflag & IGNBRK)
402 lios->c_iflag |= LINUX_IGNBRK;
403 if (bios->c_iflag & BRKINT)
404 lios->c_iflag |= LINUX_BRKINT;
405 if (bios->c_iflag & IGNPAR)
406 lios->c_iflag |= LINUX_IGNPAR;
407 if (bios->c_iflag & PARMRK)
408 lios->c_iflag |= LINUX_PARMRK;
409 if (bios->c_iflag & INPCK)
410 lios->c_iflag |= LINUX_INPCK;
411 if (bios->c_iflag & ISTRIP)
412 lios->c_iflag |= LINUX_ISTRIP;
413 if (bios->c_iflag & INLCR)
414 lios->c_iflag |= LINUX_INLCR;
415 if (bios->c_iflag & IGNCR)
416 lios->c_iflag |= LINUX_IGNCR;
417 if (bios->c_iflag & ICRNL)
418 lios->c_iflag |= LINUX_ICRNL;
419 if (bios->c_iflag & IXON)
420 lios->c_iflag |= LINUX_IXON;
421 if (bios->c_iflag & IXANY)
422 lios->c_iflag |= LINUX_IXANY;
423 if (bios->c_iflag & IXOFF)
424 lios->c_iflag |= LINUX_IXOFF;
425 if (bios->c_iflag & IMAXBEL)
426 lios->c_iflag |= LINUX_IMAXBEL;
427
428 lios->c_oflag = 0;
429 if (bios->c_oflag & OPOST)
430 lios->c_oflag |= LINUX_OPOST;
431 if (bios->c_oflag & ONLCR)
432 lios->c_oflag |= LINUX_ONLCR;
433 if (bios->c_oflag & TAB3)
434 lios->c_oflag |= LINUX_XTABS;
435
436 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
437 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
438 if (bios->c_cflag & CSTOPB)
439 lios->c_cflag |= LINUX_CSTOPB;
440 if (bios->c_cflag & CREAD)
441 lios->c_cflag |= LINUX_CREAD;
442 if (bios->c_cflag & PARENB)
443 lios->c_cflag |= LINUX_PARENB;
444 if (bios->c_cflag & PARODD)
445 lios->c_cflag |= LINUX_PARODD;
446 if (bios->c_cflag & HUPCL)
447 lios->c_cflag |= LINUX_HUPCL;
448 if (bios->c_cflag & CLOCAL)
449 lios->c_cflag |= LINUX_CLOCAL;
450 if (bios->c_cflag & CRTSCTS)
451 lios->c_cflag |= LINUX_CRTSCTS;
452
453 lios->c_lflag = 0;
454 if (bios->c_lflag & ISIG)
455 lios->c_lflag |= LINUX_ISIG;
456 if (bios->c_lflag & ICANON)
457 lios->c_lflag |= LINUX_ICANON;
458 if (bios->c_lflag & ECHO)
459 lios->c_lflag |= LINUX_ECHO;
460 if (bios->c_lflag & ECHOE)
461 lios->c_lflag |= LINUX_ECHOE;
462 if (bios->c_lflag & ECHOK)
463 lios->c_lflag |= LINUX_ECHOK;
464 if (bios->c_lflag & ECHONL)
465 lios->c_lflag |= LINUX_ECHONL;
466 if (bios->c_lflag & NOFLSH)
467 lios->c_lflag |= LINUX_NOFLSH;
468 if (bios->c_lflag & TOSTOP)
469 lios->c_lflag |= LINUX_TOSTOP;
470 if (bios->c_lflag & ECHOCTL)
471 lios->c_lflag |= LINUX_ECHOCTL;
472 if (bios->c_lflag & ECHOPRT)
473 lios->c_lflag |= LINUX_ECHOPRT;
474 if (bios->c_lflag & ECHOKE)
475 lios->c_lflag |= LINUX_ECHOKE;
476 if (bios->c_lflag & FLUSHO)
477 lios->c_lflag |= LINUX_FLUSHO;
478 if (bios->c_lflag & PENDIN)
479 lios->c_lflag |= LINUX_PENDIN;
480 if (bios->c_lflag & IEXTEN)
481 lios->c_lflag |= LINUX_IEXTEN;
482
483 for (i=0; i<LINUX_NCCS; i++)
484 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
485 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
486 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
487 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
488 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
489 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
490 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
491 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
492 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
493 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
494 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
495 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
496 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
497 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
498 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
499 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
500 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
501
502 for (i=0; i<LINUX_NCCS; i++) {
503 if (i != LINUX_VMIN && i != LINUX_VTIME &&
504 lios->c_cc[i] == _POSIX_VDISABLE)
505 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
506 }
507 lios->c_line = 0;
508
509 #ifdef DEBUG
510 if (ldebug(ioctl)) {
511 printf("LINUX: LINUX termios structure (output):\n");
512 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
513 lios->c_iflag, lios->c_oflag, lios->c_cflag,
514 lios->c_lflag, (int)lios->c_line);
515 printf("c_cc ");
516 for (i=0; i<LINUX_NCCS; i++)
517 printf("%02x ", lios->c_cc[i]);
518 printf("\n");
519 }
520 #endif
521 }
522
523 static void
524 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
525 {
526 int i;
527
528 #ifdef DEBUG
529 if (ldebug(ioctl)) {
530 printf("LINUX: LINUX termios structure (input):\n");
531 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
532 lios->c_iflag, lios->c_oflag, lios->c_cflag,
533 lios->c_lflag, (int)lios->c_line);
534 printf("c_cc ");
535 for (i=0; i<LINUX_NCCS; i++)
536 printf("%02x ", lios->c_cc[i]);
537 printf("\n");
538 }
539 #endif
540
541 bios->c_iflag = 0;
542 if (lios->c_iflag & LINUX_IGNBRK)
543 bios->c_iflag |= IGNBRK;
544 if (lios->c_iflag & LINUX_BRKINT)
545 bios->c_iflag |= BRKINT;
546 if (lios->c_iflag & LINUX_IGNPAR)
547 bios->c_iflag |= IGNPAR;
548 if (lios->c_iflag & LINUX_PARMRK)
549 bios->c_iflag |= PARMRK;
550 if (lios->c_iflag & LINUX_INPCK)
551 bios->c_iflag |= INPCK;
552 if (lios->c_iflag & LINUX_ISTRIP)
553 bios->c_iflag |= ISTRIP;
554 if (lios->c_iflag & LINUX_INLCR)
555 bios->c_iflag |= INLCR;
556 if (lios->c_iflag & LINUX_IGNCR)
557 bios->c_iflag |= IGNCR;
558 if (lios->c_iflag & LINUX_ICRNL)
559 bios->c_iflag |= ICRNL;
560 if (lios->c_iflag & LINUX_IXON)
561 bios->c_iflag |= IXON;
562 if (lios->c_iflag & LINUX_IXANY)
563 bios->c_iflag |= IXANY;
564 if (lios->c_iflag & LINUX_IXOFF)
565 bios->c_iflag |= IXOFF;
566 if (lios->c_iflag & LINUX_IMAXBEL)
567 bios->c_iflag |= IMAXBEL;
568
569 bios->c_oflag = 0;
570 if (lios->c_oflag & LINUX_OPOST)
571 bios->c_oflag |= OPOST;
572 if (lios->c_oflag & LINUX_ONLCR)
573 bios->c_oflag |= ONLCR;
574 if (lios->c_oflag & LINUX_XTABS)
575 bios->c_oflag |= TAB3;
576
577 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
578 if (lios->c_cflag & LINUX_CSTOPB)
579 bios->c_cflag |= CSTOPB;
580 if (lios->c_cflag & LINUX_CREAD)
581 bios->c_cflag |= CREAD;
582 if (lios->c_cflag & LINUX_PARENB)
583 bios->c_cflag |= PARENB;
584 if (lios->c_cflag & LINUX_PARODD)
585 bios->c_cflag |= PARODD;
586 if (lios->c_cflag & LINUX_HUPCL)
587 bios->c_cflag |= HUPCL;
588 if (lios->c_cflag & LINUX_CLOCAL)
589 bios->c_cflag |= CLOCAL;
590 if (lios->c_cflag & LINUX_CRTSCTS)
591 bios->c_cflag |= CRTSCTS;
592
593 bios->c_lflag = 0;
594 if (lios->c_lflag & LINUX_ISIG)
595 bios->c_lflag |= ISIG;
596 if (lios->c_lflag & LINUX_ICANON)
597 bios->c_lflag |= ICANON;
598 if (lios->c_lflag & LINUX_ECHO)
599 bios->c_lflag |= ECHO;
600 if (lios->c_lflag & LINUX_ECHOE)
601 bios->c_lflag |= ECHOE;
602 if (lios->c_lflag & LINUX_ECHOK)
603 bios->c_lflag |= ECHOK;
604 if (lios->c_lflag & LINUX_ECHONL)
605 bios->c_lflag |= ECHONL;
606 if (lios->c_lflag & LINUX_NOFLSH)
607 bios->c_lflag |= NOFLSH;
608 if (lios->c_lflag & LINUX_TOSTOP)
609 bios->c_lflag |= TOSTOP;
610 if (lios->c_lflag & LINUX_ECHOCTL)
611 bios->c_lflag |= ECHOCTL;
612 if (lios->c_lflag & LINUX_ECHOPRT)
613 bios->c_lflag |= ECHOPRT;
614 if (lios->c_lflag & LINUX_ECHOKE)
615 bios->c_lflag |= ECHOKE;
616 if (lios->c_lflag & LINUX_FLUSHO)
617 bios->c_lflag |= FLUSHO;
618 if (lios->c_lflag & LINUX_PENDIN)
619 bios->c_lflag |= PENDIN;
620 if (lios->c_lflag & LINUX_IEXTEN)
621 bios->c_lflag |= IEXTEN;
622
623 for (i=0; i<NCCS; i++)
624 bios->c_cc[i] = _POSIX_VDISABLE;
625 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
626 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
627 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
628 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
629 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
630 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
631 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
632 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
633 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
634 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
635 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
636 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
637 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
638 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
639 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
640 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
641
642 for (i=0; i<NCCS; i++) {
643 if (i != VMIN && i != VTIME &&
644 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
645 bios->c_cc[i] = _POSIX_VDISABLE;
646 }
647
648 bios->c_ispeed = bios->c_ospeed =
649 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
650
651 #ifdef DEBUG
652 if (ldebug(ioctl)) {
653 printf("LINUX: BSD termios structure (output):\n");
654 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
655 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
656 bios->c_ispeed, bios->c_ospeed);
657 printf("c_cc ");
658 for (i=0; i<NCCS; i++)
659 printf("%02x ", bios->c_cc[i]);
660 printf("\n");
661 }
662 #endif
663 }
664
665 static void
666 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
667 {
668 struct linux_termios lios;
669
670 bsd_to_linux_termios(bios, &lios);
671 lio->c_iflag = lios.c_iflag;
672 lio->c_oflag = lios.c_oflag;
673 lio->c_cflag = lios.c_cflag;
674 lio->c_lflag = lios.c_lflag;
675 lio->c_line = lios.c_line;
676 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
677 }
678
679 static void
680 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
681 {
682 struct linux_termios lios;
683 int i;
684
685 lios.c_iflag = lio->c_iflag;
686 lios.c_oflag = lio->c_oflag;
687 lios.c_cflag = lio->c_cflag;
688 lios.c_lflag = lio->c_lflag;
689 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
690 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
691 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
692 linux_to_bsd_termios(&lios, bios);
693 }
694
695 static int
696 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
697 {
698 struct termios bios;
699 struct linux_termios lios;
700 struct linux_termio lio;
701 struct file *fp;
702 int error;
703
704 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
705 return (error);
706
707 switch (args->cmd & 0xffff) {
708
709 case LINUX_TCGETS:
710 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
711 td);
712 if (error)
713 break;
714 bsd_to_linux_termios(&bios, &lios);
715 error = copyout(&lios, (void *)args->arg, sizeof(lios));
716 break;
717
718 case LINUX_TCSETS:
719 error = copyin((void *)args->arg, &lios, sizeof(lios));
720 if (error)
721 break;
722 linux_to_bsd_termios(&lios, &bios);
723 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
724 td));
725 break;
726
727 case LINUX_TCSETSW:
728 error = copyin((void *)args->arg, &lios, sizeof(lios));
729 if (error)
730 break;
731 linux_to_bsd_termios(&lios, &bios);
732 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
733 td));
734 break;
735
736 case LINUX_TCSETSF:
737 error = copyin((void *)args->arg, &lios, sizeof(lios));
738 if (error)
739 break;
740 linux_to_bsd_termios(&lios, &bios);
741 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
742 td));
743 break;
744
745 case LINUX_TCGETA:
746 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
747 td);
748 if (error)
749 break;
750 bsd_to_linux_termio(&bios, &lio);
751 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
752 break;
753
754 case LINUX_TCSETA:
755 error = copyin((void *)args->arg, &lio, sizeof(lio));
756 if (error)
757 break;
758 linux_to_bsd_termio(&lio, &bios);
759 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
760 td));
761 break;
762
763 case LINUX_TCSETAW:
764 error = copyin((void *)args->arg, &lio, sizeof(lio));
765 if (error)
766 break;
767 linux_to_bsd_termio(&lio, &bios);
768 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
769 td));
770 break;
771
772 case LINUX_TCSETAF:
773 error = copyin((void *)args->arg, &lio, sizeof(lio));
774 if (error)
775 break;
776 linux_to_bsd_termio(&lio, &bios);
777 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
778 td));
779 break;
780
781 /* LINUX_TCSBRK */
782
783 case LINUX_TCXONC: {
784 switch (args->arg) {
785 case LINUX_TCOOFF:
786 args->cmd = TIOCSTOP;
787 break;
788 case LINUX_TCOON:
789 args->cmd = TIOCSTART;
790 break;
791 case LINUX_TCIOFF:
792 case LINUX_TCION: {
793 int c;
794 struct write_args wr;
795 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
796 td->td_ucred, td);
797 if (error)
798 break;
799 fdrop(fp, td);
800 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
801 c = bios.c_cc[c];
802 if (c != _POSIX_VDISABLE) {
803 wr.fd = args->fd;
804 wr.buf = &c;
805 wr.nbyte = sizeof(c);
806 return (sys_write(td, &wr));
807 } else
808 return (0);
809 }
810 default:
811 fdrop(fp, td);
812 return (EINVAL);
813 }
814 args->arg = 0;
815 error = (sys_ioctl(td, (struct ioctl_args *)args));
816 break;
817 }
818
819 case LINUX_TCFLSH: {
820 int val;
821 switch (args->arg) {
822 case LINUX_TCIFLUSH:
823 val = FREAD;
824 break;
825 case LINUX_TCOFLUSH:
826 val = FWRITE;
827 break;
828 case LINUX_TCIOFLUSH:
829 val = FREAD | FWRITE;
830 break;
831 default:
832 fdrop(fp, td);
833 return (EINVAL);
834 }
835 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
836 break;
837 }
838
839 case LINUX_TIOCEXCL:
840 args->cmd = TIOCEXCL;
841 error = (sys_ioctl(td, (struct ioctl_args *)args));
842 break;
843
844 case LINUX_TIOCNXCL:
845 args->cmd = TIOCNXCL;
846 error = (sys_ioctl(td, (struct ioctl_args *)args));
847 break;
848
849 case LINUX_TIOCSCTTY:
850 args->cmd = TIOCSCTTY;
851 error = (sys_ioctl(td, (struct ioctl_args *)args));
852 break;
853
854 case LINUX_TIOCGPGRP:
855 args->cmd = TIOCGPGRP;
856 error = (sys_ioctl(td, (struct ioctl_args *)args));
857 break;
858
859 case LINUX_TIOCSPGRP:
860 args->cmd = TIOCSPGRP;
861 error = (sys_ioctl(td, (struct ioctl_args *)args));
862 break;
863
864 /* LINUX_TIOCOUTQ */
865 /* LINUX_TIOCSTI */
866
867 case LINUX_TIOCGWINSZ:
868 args->cmd = TIOCGWINSZ;
869 error = (sys_ioctl(td, (struct ioctl_args *)args));
870 break;
871
872 case LINUX_TIOCSWINSZ:
873 args->cmd = TIOCSWINSZ;
874 error = (sys_ioctl(td, (struct ioctl_args *)args));
875 break;
876
877 case LINUX_TIOCMGET:
878 args->cmd = TIOCMGET;
879 error = (sys_ioctl(td, (struct ioctl_args *)args));
880 break;
881
882 case LINUX_TIOCMBIS:
883 args->cmd = TIOCMBIS;
884 error = (sys_ioctl(td, (struct ioctl_args *)args));
885 break;
886
887 case LINUX_TIOCMBIC:
888 args->cmd = TIOCMBIC;
889 error = (sys_ioctl(td, (struct ioctl_args *)args));
890 break;
891
892 case LINUX_TIOCMSET:
893 args->cmd = TIOCMSET;
894 error = (sys_ioctl(td, (struct ioctl_args *)args));
895 break;
896
897 /* TIOCGSOFTCAR */
898 /* TIOCSSOFTCAR */
899
900 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
901 args->cmd = FIONREAD;
902 error = (sys_ioctl(td, (struct ioctl_args *)args));
903 break;
904
905 /* LINUX_TIOCLINUX */
906
907 case LINUX_TIOCCONS:
908 args->cmd = TIOCCONS;
909 error = (sys_ioctl(td, (struct ioctl_args *)args));
910 break;
911
912 case LINUX_TIOCGSERIAL: {
913 struct linux_serial_struct lss;
914 lss.type = LINUX_PORT_16550A;
915 lss.flags = 0;
916 lss.close_delay = 0;
917 error = copyout(&lss, (void *)args->arg, sizeof(lss));
918 break;
919 }
920
921 case LINUX_TIOCSSERIAL: {
922 struct linux_serial_struct lss;
923 error = copyin((void *)args->arg, &lss, sizeof(lss));
924 if (error)
925 break;
926 /* XXX - It really helps to have an implementation that
927 * does nothing. NOT!
928 */
929 error = 0;
930 break;
931 }
932
933 case LINUX_TIOCPKT:
934 args->cmd = TIOCPKT;
935 error = (sys_ioctl(td, (struct ioctl_args *)args));
936 break;
937
938 case LINUX_FIONBIO:
939 args->cmd = FIONBIO;
940 error = (sys_ioctl(td, (struct ioctl_args *)args));
941 break;
942
943 case LINUX_TIOCNOTTY:
944 args->cmd = TIOCNOTTY;
945 error = (sys_ioctl(td, (struct ioctl_args *)args));
946 break;
947
948 case LINUX_TIOCSETD: {
949 int line;
950 switch (args->arg) {
951 case LINUX_N_TTY:
952 line = TTYDISC;
953 break;
954 case LINUX_N_SLIP:
955 line = SLIPDISC;
956 break;
957 case LINUX_N_PPP:
958 line = PPPDISC;
959 break;
960 default:
961 fdrop(fp, td);
962 return (EINVAL);
963 }
964 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
965 td));
966 break;
967 }
968
969 case LINUX_TIOCGETD: {
970 int linux_line;
971 int bsd_line = TTYDISC;
972 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
973 td->td_ucred, td);
974 if (error)
975 return (error);
976 switch (bsd_line) {
977 case TTYDISC:
978 linux_line = LINUX_N_TTY;
979 break;
980 case SLIPDISC:
981 linux_line = LINUX_N_SLIP;
982 break;
983 case PPPDISC:
984 linux_line = LINUX_N_PPP;
985 break;
986 default:
987 fdrop(fp, td);
988 return (EINVAL);
989 }
990 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
991 break;
992 }
993
994 /* LINUX_TCSBRKP */
995 /* LINUX_TIOCTTYGSTRUCT */
996
997 case LINUX_FIONCLEX:
998 args->cmd = FIONCLEX;
999 error = (sys_ioctl(td, (struct ioctl_args *)args));
1000 break;
1001
1002 case LINUX_FIOCLEX:
1003 args->cmd = FIOCLEX;
1004 error = (sys_ioctl(td, (struct ioctl_args *)args));
1005 break;
1006
1007 case LINUX_FIOASYNC:
1008 args->cmd = FIOASYNC;
1009 error = (sys_ioctl(td, (struct ioctl_args *)args));
1010 break;
1011
1012 /* LINUX_TIOCSERCONFIG */
1013 /* LINUX_TIOCSERGWILD */
1014 /* LINUX_TIOCSERSWILD */
1015 /* LINUX_TIOCGLCKTRMIOS */
1016 /* LINUX_TIOCSLCKTRMIOS */
1017
1018 case LINUX_TIOCSBRK:
1019 args->cmd = TIOCSBRK;
1020 error = (sys_ioctl(td, (struct ioctl_args *)args));
1021 break;
1022
1023 case LINUX_TIOCCBRK:
1024 args->cmd = TIOCCBRK;
1025 error = (sys_ioctl(td, (struct ioctl_args *)args));
1026 break;
1027 case LINUX_TIOCGPTN: {
1028 int nb;
1029
1030 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1031 if (!error)
1032 error = copyout(&nb, (void *)args->arg,
1033 sizeof(int));
1034 break;
1035 }
1036 case LINUX_TIOCSPTLCK:
1037 /* Our unlockpt() does nothing. */
1038 error = 0;
1039 break;
1040 default:
1041 error = ENOIOCTL;
1042 break;
1043 }
1044
1045 fdrop(fp, td);
1046 return (error);
1047 }
1048
1049 /*
1050 * CDROM related ioctls
1051 */
1052
1053 struct linux_cdrom_msf
1054 {
1055 u_char cdmsf_min0;
1056 u_char cdmsf_sec0;
1057 u_char cdmsf_frame0;
1058 u_char cdmsf_min1;
1059 u_char cdmsf_sec1;
1060 u_char cdmsf_frame1;
1061 };
1062
1063 struct linux_cdrom_tochdr
1064 {
1065 u_char cdth_trk0;
1066 u_char cdth_trk1;
1067 };
1068
1069 union linux_cdrom_addr
1070 {
1071 struct {
1072 u_char minute;
1073 u_char second;
1074 u_char frame;
1075 } msf;
1076 int lba;
1077 };
1078
1079 struct linux_cdrom_tocentry
1080 {
1081 u_char cdte_track;
1082 u_char cdte_adr:4;
1083 u_char cdte_ctrl:4;
1084 u_char cdte_format;
1085 union linux_cdrom_addr cdte_addr;
1086 u_char cdte_datamode;
1087 };
1088
1089 struct linux_cdrom_subchnl
1090 {
1091 u_char cdsc_format;
1092 u_char cdsc_audiostatus;
1093 u_char cdsc_adr:4;
1094 u_char cdsc_ctrl:4;
1095 u_char cdsc_trk;
1096 u_char cdsc_ind;
1097 union linux_cdrom_addr cdsc_absaddr;
1098 union linux_cdrom_addr cdsc_reladdr;
1099 };
1100
1101 struct l_cdrom_read_audio {
1102 union linux_cdrom_addr addr;
1103 u_char addr_format;
1104 l_int nframes;
1105 u_char *buf;
1106 };
1107
1108 struct l_dvd_layer {
1109 u_char book_version:4;
1110 u_char book_type:4;
1111 u_char min_rate:4;
1112 u_char disc_size:4;
1113 u_char layer_type:4;
1114 u_char track_path:1;
1115 u_char nlayers:2;
1116 u_char track_density:4;
1117 u_char linear_density:4;
1118 u_char bca:1;
1119 u_int32_t start_sector;
1120 u_int32_t end_sector;
1121 u_int32_t end_sector_l0;
1122 };
1123
1124 struct l_dvd_physical {
1125 u_char type;
1126 u_char layer_num;
1127 struct l_dvd_layer layer[4];
1128 };
1129
1130 struct l_dvd_copyright {
1131 u_char type;
1132 u_char layer_num;
1133 u_char cpst;
1134 u_char rmi;
1135 };
1136
1137 struct l_dvd_disckey {
1138 u_char type;
1139 l_uint agid:2;
1140 u_char value[2048];
1141 };
1142
1143 struct l_dvd_bca {
1144 u_char type;
1145 l_int len;
1146 u_char value[188];
1147 };
1148
1149 struct l_dvd_manufact {
1150 u_char type;
1151 u_char layer_num;
1152 l_int len;
1153 u_char value[2048];
1154 };
1155
1156 typedef union {
1157 u_char type;
1158 struct l_dvd_physical physical;
1159 struct l_dvd_copyright copyright;
1160 struct l_dvd_disckey disckey;
1161 struct l_dvd_bca bca;
1162 struct l_dvd_manufact manufact;
1163 } l_dvd_struct;
1164
1165 typedef u_char l_dvd_key[5];
1166 typedef u_char l_dvd_challenge[10];
1167
1168 struct l_dvd_lu_send_agid {
1169 u_char type;
1170 l_uint agid:2;
1171 };
1172
1173 struct l_dvd_host_send_challenge {
1174 u_char type;
1175 l_uint agid:2;
1176 l_dvd_challenge chal;
1177 };
1178
1179 struct l_dvd_send_key {
1180 u_char type;
1181 l_uint agid:2;
1182 l_dvd_key key;
1183 };
1184
1185 struct l_dvd_lu_send_challenge {
1186 u_char type;
1187 l_uint agid:2;
1188 l_dvd_challenge chal;
1189 };
1190
1191 struct l_dvd_lu_send_title_key {
1192 u_char type;
1193 l_uint agid:2;
1194 l_dvd_key title_key;
1195 l_int lba;
1196 l_uint cpm:1;
1197 l_uint cp_sec:1;
1198 l_uint cgms:2;
1199 };
1200
1201 struct l_dvd_lu_send_asf {
1202 u_char type;
1203 l_uint agid:2;
1204 l_uint asf:1;
1205 };
1206
1207 struct l_dvd_host_send_rpcstate {
1208 u_char type;
1209 u_char pdrc;
1210 };
1211
1212 struct l_dvd_lu_send_rpcstate {
1213 u_char type:2;
1214 u_char vra:3;
1215 u_char ucca:3;
1216 u_char region_mask;
1217 u_char rpc_scheme;
1218 };
1219
1220 typedef union {
1221 u_char type;
1222 struct l_dvd_lu_send_agid lsa;
1223 struct l_dvd_host_send_challenge hsc;
1224 struct l_dvd_send_key lsk;
1225 struct l_dvd_lu_send_challenge lsc;
1226 struct l_dvd_send_key hsk;
1227 struct l_dvd_lu_send_title_key lstk;
1228 struct l_dvd_lu_send_asf lsasf;
1229 struct l_dvd_host_send_rpcstate hrpcs;
1230 struct l_dvd_lu_send_rpcstate lrpcs;
1231 } l_dvd_authinfo;
1232
1233 static void
1234 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1235 {
1236 if (af == CD_LBA_FORMAT)
1237 lp->lba = bp->lba;
1238 else {
1239 lp->msf.minute = bp->msf.minute;
1240 lp->msf.second = bp->msf.second;
1241 lp->msf.frame = bp->msf.frame;
1242 }
1243 }
1244
1245 static void
1246 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1247 {
1248 if (format == LINUX_CDROM_MSF) {
1249 addr->msf.frame = lba % 75;
1250 lba /= 75;
1251 lba += 2;
1252 addr->msf.second = lba % 60;
1253 addr->msf.minute = lba / 60;
1254 } else
1255 addr->lba = lba;
1256 }
1257
1258 static int
1259 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1260 {
1261 bp->format = lp->type;
1262 switch (bp->format) {
1263 case DVD_STRUCT_PHYSICAL:
1264 if (bp->layer_num >= 4)
1265 return (EINVAL);
1266 bp->layer_num = lp->physical.layer_num;
1267 break;
1268 case DVD_STRUCT_COPYRIGHT:
1269 bp->layer_num = lp->copyright.layer_num;
1270 break;
1271 case DVD_STRUCT_DISCKEY:
1272 bp->agid = lp->disckey.agid;
1273 break;
1274 case DVD_STRUCT_BCA:
1275 case DVD_STRUCT_MANUFACT:
1276 break;
1277 default:
1278 return (EINVAL);
1279 }
1280 return (0);
1281 }
1282
1283 static int
1284 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1285 {
1286 switch (bp->format) {
1287 case DVD_STRUCT_PHYSICAL: {
1288 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1289 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1290 memset(llp, 0, sizeof(*llp));
1291 llp->book_version = blp->book_version;
1292 llp->book_type = blp->book_type;
1293 llp->min_rate = blp->max_rate;
1294 llp->disc_size = blp->disc_size;
1295 llp->layer_type = blp->layer_type;
1296 llp->track_path = blp->track_path;
1297 llp->nlayers = blp->nlayers;
1298 llp->track_density = blp->track_density;
1299 llp->linear_density = blp->linear_density;
1300 llp->bca = blp->bca;
1301 llp->start_sector = blp->start_sector;
1302 llp->end_sector = blp->end_sector;
1303 llp->end_sector_l0 = blp->end_sector_l0;
1304 break;
1305 }
1306 case DVD_STRUCT_COPYRIGHT:
1307 lp->copyright.cpst = bp->cpst;
1308 lp->copyright.rmi = bp->rmi;
1309 break;
1310 case DVD_STRUCT_DISCKEY:
1311 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1312 break;
1313 case DVD_STRUCT_BCA:
1314 lp->bca.len = bp->length;
1315 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1316 break;
1317 case DVD_STRUCT_MANUFACT:
1318 lp->manufact.len = bp->length;
1319 memcpy(lp->manufact.value, bp->data,
1320 sizeof(lp->manufact.value));
1321 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */
1322 break;
1323 default:
1324 return (EINVAL);
1325 }
1326 return (0);
1327 }
1328
1329 static int
1330 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1331 struct dvd_authinfo *bp)
1332 {
1333 switch (lp->type) {
1334 case LINUX_DVD_LU_SEND_AGID:
1335 *bcode = DVDIOCREPORTKEY;
1336 bp->format = DVD_REPORT_AGID;
1337 bp->agid = lp->lsa.agid;
1338 break;
1339 case LINUX_DVD_HOST_SEND_CHALLENGE:
1340 *bcode = DVDIOCSENDKEY;
1341 bp->format = DVD_SEND_CHALLENGE;
1342 bp->agid = lp->hsc.agid;
1343 memcpy(bp->keychal, lp->hsc.chal, 10);
1344 break;
1345 case LINUX_DVD_LU_SEND_KEY1:
1346 *bcode = DVDIOCREPORTKEY;
1347 bp->format = DVD_REPORT_KEY1;
1348 bp->agid = lp->lsk.agid;
1349 break;
1350 case LINUX_DVD_LU_SEND_CHALLENGE:
1351 *bcode = DVDIOCREPORTKEY;
1352 bp->format = DVD_REPORT_CHALLENGE;
1353 bp->agid = lp->lsc.agid;
1354 break;
1355 case LINUX_DVD_HOST_SEND_KEY2:
1356 *bcode = DVDIOCSENDKEY;
1357 bp->format = DVD_SEND_KEY2;
1358 bp->agid = lp->hsk.agid;
1359 memcpy(bp->keychal, lp->hsk.key, 5);
1360 break;
1361 case LINUX_DVD_LU_SEND_TITLE_KEY:
1362 *bcode = DVDIOCREPORTKEY;
1363 bp->format = DVD_REPORT_TITLE_KEY;
1364 bp->agid = lp->lstk.agid;
1365 bp->lba = lp->lstk.lba;
1366 break;
1367 case LINUX_DVD_LU_SEND_ASF:
1368 *bcode = DVDIOCREPORTKEY;
1369 bp->format = DVD_REPORT_ASF;
1370 bp->agid = lp->lsasf.agid;
1371 break;
1372 case LINUX_DVD_INVALIDATE_AGID:
1373 *bcode = DVDIOCREPORTKEY;
1374 bp->format = DVD_INVALIDATE_AGID;
1375 bp->agid = lp->lsa.agid;
1376 break;
1377 case LINUX_DVD_LU_SEND_RPC_STATE:
1378 *bcode = DVDIOCREPORTKEY;
1379 bp->format = DVD_REPORT_RPC;
1380 break;
1381 case LINUX_DVD_HOST_SEND_RPC_STATE:
1382 *bcode = DVDIOCSENDKEY;
1383 bp->format = DVD_SEND_RPC;
1384 bp->region = lp->hrpcs.pdrc;
1385 break;
1386 default:
1387 return (EINVAL);
1388 }
1389 return (0);
1390 }
1391
1392 static int
1393 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1394 {
1395 switch (lp->type) {
1396 case LINUX_DVD_LU_SEND_AGID:
1397 lp->lsa.agid = bp->agid;
1398 break;
1399 case LINUX_DVD_HOST_SEND_CHALLENGE:
1400 lp->type = LINUX_DVD_LU_SEND_KEY1;
1401 break;
1402 case LINUX_DVD_LU_SEND_KEY1:
1403 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1404 break;
1405 case LINUX_DVD_LU_SEND_CHALLENGE:
1406 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1407 break;
1408 case LINUX_DVD_HOST_SEND_KEY2:
1409 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1410 break;
1411 case LINUX_DVD_LU_SEND_TITLE_KEY:
1412 memcpy(lp->lstk.title_key, bp->keychal,
1413 sizeof(lp->lstk.title_key));
1414 lp->lstk.cpm = bp->cpm;
1415 lp->lstk.cp_sec = bp->cp_sec;
1416 lp->lstk.cgms = bp->cgms;
1417 break;
1418 case LINUX_DVD_LU_SEND_ASF:
1419 lp->lsasf.asf = bp->asf;
1420 break;
1421 case LINUX_DVD_INVALIDATE_AGID:
1422 break;
1423 case LINUX_DVD_LU_SEND_RPC_STATE:
1424 lp->lrpcs.type = bp->reg_type;
1425 lp->lrpcs.vra = bp->vend_rsts;
1426 lp->lrpcs.ucca = bp->user_rsts;
1427 lp->lrpcs.region_mask = bp->region;
1428 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1429 break;
1430 case LINUX_DVD_HOST_SEND_RPC_STATE:
1431 break;
1432 default:
1433 return (EINVAL);
1434 }
1435 return (0);
1436 }
1437
1438 static int
1439 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1440 {
1441 struct file *fp;
1442 int error;
1443
1444 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
1445 return (error);
1446 switch (args->cmd & 0xffff) {
1447
1448 case LINUX_CDROMPAUSE:
1449 args->cmd = CDIOCPAUSE;
1450 error = (sys_ioctl(td, (struct ioctl_args *)args));
1451 break;
1452
1453 case LINUX_CDROMRESUME:
1454 args->cmd = CDIOCRESUME;
1455 error = (sys_ioctl(td, (struct ioctl_args *)args));
1456 break;
1457
1458 case LINUX_CDROMPLAYMSF:
1459 args->cmd = CDIOCPLAYMSF;
1460 error = (sys_ioctl(td, (struct ioctl_args *)args));
1461 break;
1462
1463 case LINUX_CDROMPLAYTRKIND:
1464 args->cmd = CDIOCPLAYTRACKS;
1465 error = (sys_ioctl(td, (struct ioctl_args *)args));
1466 break;
1467
1468 case LINUX_CDROMREADTOCHDR: {
1469 struct ioc_toc_header th;
1470 struct linux_cdrom_tochdr lth;
1471 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1472 td->td_ucred, td);
1473 if (!error) {
1474 lth.cdth_trk0 = th.starting_track;
1475 lth.cdth_trk1 = th.ending_track;
1476 copyout(<h, (void *)args->arg, sizeof(lth));
1477 }
1478 break;
1479 }
1480
1481 case LINUX_CDROMREADTOCENTRY: {
1482 struct linux_cdrom_tocentry lte;
1483 struct ioc_read_toc_single_entry irtse;
1484
1485 error = copyin((void *)args->arg, <e, sizeof(lte));
1486 if (error)
1487 break;
1488 irtse.address_format = lte.cdte_format;
1489 irtse.track = lte.cdte_track;
1490 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1491 td->td_ucred, td);
1492 if (!error) {
1493 lte.cdte_ctrl = irtse.entry.control;
1494 lte.cdte_adr = irtse.entry.addr_type;
1495 bsd_to_linux_msf_lba(irtse.address_format,
1496 &irtse.entry.addr, <e.cdte_addr);
1497 error = copyout(<e, (void *)args->arg, sizeof(lte));
1498 }
1499 break;
1500 }
1501
1502 case LINUX_CDROMSTOP:
1503 args->cmd = CDIOCSTOP;
1504 error = (sys_ioctl(td, (struct ioctl_args *)args));
1505 break;
1506
1507 case LINUX_CDROMSTART:
1508 args->cmd = CDIOCSTART;
1509 error = (sys_ioctl(td, (struct ioctl_args *)args));
1510 break;
1511
1512 case LINUX_CDROMEJECT:
1513 args->cmd = CDIOCEJECT;
1514 error = (sys_ioctl(td, (struct ioctl_args *)args));
1515 break;
1516
1517 /* LINUX_CDROMVOLCTRL */
1518
1519 case LINUX_CDROMSUBCHNL: {
1520 struct linux_cdrom_subchnl sc;
1521 struct ioc_read_subchannel bsdsc;
1522 struct cd_sub_channel_info bsdinfo;
1523
1524 bsdsc.address_format = CD_LBA_FORMAT;
1525 bsdsc.data_format = CD_CURRENT_POSITION;
1526 bsdsc.track = 0;
1527 bsdsc.data_len = sizeof(bsdinfo);
1528 bsdsc.data = &bsdinfo;
1529 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE,
1530 (caddr_t)&bsdsc, td->td_ucred, td);
1531 if (error)
1532 break;
1533 error = copyin((void *)args->arg, &sc, sizeof(sc));
1534 if (error)
1535 break;
1536 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1537 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1538 sc.cdsc_ctrl = bsdinfo.what.position.control;
1539 sc.cdsc_trk = bsdinfo.what.position.track_number;
1540 sc.cdsc_ind = bsdinfo.what.position.index_number;
1541 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1542 bsdinfo.what.position.absaddr.lba);
1543 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1544 bsdinfo.what.position.reladdr.lba);
1545 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1546 break;
1547 }
1548
1549 /* LINUX_CDROMREADMODE2 */
1550 /* LINUX_CDROMREADMODE1 */
1551 /* LINUX_CDROMREADAUDIO */
1552 /* LINUX_CDROMEJECT_SW */
1553 /* LINUX_CDROMMULTISESSION */
1554 /* LINUX_CDROM_GET_UPC */
1555
1556 case LINUX_CDROMRESET:
1557 args->cmd = CDIOCRESET;
1558 error = (sys_ioctl(td, (struct ioctl_args *)args));
1559 break;
1560
1561 /* LINUX_CDROMVOLREAD */
1562 /* LINUX_CDROMREADRAW */
1563 /* LINUX_CDROMREADCOOKED */
1564 /* LINUX_CDROMSEEK */
1565 /* LINUX_CDROMPLAYBLK */
1566 /* LINUX_CDROMREADALL */
1567 /* LINUX_CDROMCLOSETRAY */
1568 /* LINUX_CDROMLOADFROMSLOT */
1569 /* LINUX_CDROMGETSPINDOWN */
1570 /* LINUX_CDROMSETSPINDOWN */
1571 /* LINUX_CDROM_SET_OPTIONS */
1572 /* LINUX_CDROM_CLEAR_OPTIONS */
1573 /* LINUX_CDROM_SELECT_SPEED */
1574 /* LINUX_CDROM_SELECT_DISC */
1575 /* LINUX_CDROM_MEDIA_CHANGED */
1576 /* LINUX_CDROM_DRIVE_STATUS */
1577 /* LINUX_CDROM_DISC_STATUS */
1578 /* LINUX_CDROM_CHANGER_NSLOTS */
1579 /* LINUX_CDROM_LOCKDOOR */
1580 /* LINUX_CDROM_DEBUG */
1581 /* LINUX_CDROM_GET_CAPABILITY */
1582 /* LINUX_CDROMAUDIOBUFSIZ */
1583
1584 case LINUX_DVD_READ_STRUCT: {
1585 l_dvd_struct *lds;
1586 struct dvd_struct *bds;
1587
1588 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1589 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1590 error = copyin((void *)args->arg, lds, sizeof(*lds));
1591 if (error)
1592 goto out;
1593 error = linux_to_bsd_dvd_struct(lds, bds);
1594 if (error)
1595 goto out;
1596 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1597 td->td_ucred, td);
1598 if (error)
1599 goto out;
1600 error = bsd_to_linux_dvd_struct(bds, lds);
1601 if (error)
1602 goto out;
1603 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1604 out:
1605 free(bds, M_LINUX);
1606 free(lds, M_LINUX);
1607 break;
1608 }
1609
1610 /* LINUX_DVD_WRITE_STRUCT */
1611
1612 case LINUX_DVD_AUTH: {
1613 l_dvd_authinfo lda;
1614 struct dvd_authinfo bda;
1615 int bcode;
1616
1617 error = copyin((void *)args->arg, &lda, sizeof(lda));
1618 if (error)
1619 break;
1620 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1621 if (error)
1622 break;
1623 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1624 td);
1625 if (error) {
1626 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1627 lda.type = LINUX_DVD_AUTH_FAILURE;
1628 copyout(&lda, (void *)args->arg, sizeof(lda));
1629 }
1630 break;
1631 }
1632 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1633 if (error)
1634 break;
1635 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1636 break;
1637 }
1638
1639 case LINUX_SCSI_GET_BUS_NUMBER:
1640 case LINUX_SCSI_GET_IDLUN:
1641 error = linux_ioctl_sg(td, args);
1642 break;
1643
1644 /* LINUX_CDROM_SEND_PACKET */
1645 /* LINUX_CDROM_NEXT_WRITABLE */
1646 /* LINUX_CDROM_LAST_WRITTEN */
1647
1648 default:
1649 error = ENOIOCTL;
1650 break;
1651 }
1652
1653 fdrop(fp, td);
1654 return (error);
1655 }
1656
1657 static int
1658 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1659 {
1660
1661 return (ENOTTY);
1662 }
1663
1664 /*
1665 * Sound related ioctls
1666 */
1667
1668 struct linux_mixer_info {
1669 char id[16];
1670 char name[32];
1671 int modify_counter;
1672 int fillers[10];
1673 };
1674
1675 struct linux_old_mixer_info {
1676 char id[16];
1677 char name[32];
1678 };
1679
1680 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1681
1682 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1683
1684 static int
1685 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1686 {
1687
1688 switch (args->cmd & 0xffff) {
1689
1690 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1691 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1692 return (sys_ioctl(td, (struct ioctl_args *)args));
1693
1694 case LINUX_SOUND_MIXER_WRITE_BASS:
1695 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1696 return (sys_ioctl(td, (struct ioctl_args *)args));
1697
1698 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1699 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1700 return (sys_ioctl(td, (struct ioctl_args *)args));
1701
1702 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1704 return (sys_ioctl(td, (struct ioctl_args *)args));
1705
1706 case LINUX_SOUND_MIXER_WRITE_PCM:
1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1708 return (sys_ioctl(td, (struct ioctl_args *)args));
1709
1710 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1712 return (sys_ioctl(td, (struct ioctl_args *)args));
1713
1714 case LINUX_SOUND_MIXER_WRITE_LINE:
1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1716 return (sys_ioctl(td, (struct ioctl_args *)args));
1717
1718 case LINUX_SOUND_MIXER_WRITE_MIC:
1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1720 return (sys_ioctl(td, (struct ioctl_args *)args));
1721
1722 case LINUX_SOUND_MIXER_WRITE_CD:
1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1724 return (sys_ioctl(td, (struct ioctl_args *)args));
1725
1726 case LINUX_SOUND_MIXER_WRITE_IMIX:
1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1728 return (sys_ioctl(td, (struct ioctl_args *)args));
1729
1730 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1732 return (sys_ioctl(td, (struct ioctl_args *)args));
1733
1734 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1736 return (sys_ioctl(td, (struct ioctl_args *)args));
1737
1738 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1740 return (sys_ioctl(td, (struct ioctl_args *)args));
1741
1742 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1744 return (sys_ioctl(td, (struct ioctl_args *)args));
1745
1746 case LINUX_SOUND_MIXER_WRITE_LINE1:
1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1748 return (sys_ioctl(td, (struct ioctl_args *)args));
1749
1750 case LINUX_SOUND_MIXER_WRITE_LINE2:
1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1752 return (sys_ioctl(td, (struct ioctl_args *)args));
1753
1754 case LINUX_SOUND_MIXER_WRITE_LINE3:
1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1756 return (sys_ioctl(td, (struct ioctl_args *)args));
1757
1758 case LINUX_SOUND_MIXER_INFO: {
1759 /* Key on encoded length */
1760 switch ((args->cmd >> 16) & 0x1fff) {
1761 case 0x005c: { /* SOUND_MIXER_INFO */
1762 struct linux_mixer_info info;
1763 bzero(&info, sizeof(info));
1764 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1765 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1766 copyout(&info, (void *)args->arg, sizeof(info));
1767 return (0);
1768 }
1769 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1770 struct linux_old_mixer_info info;
1771 bzero(&info, sizeof(info));
1772 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1773 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1774 copyout(&info, (void *)args->arg, sizeof(info));
1775 return (0);
1776 }
1777 default:
1778 return (ENOIOCTL);
1779 }
1780 break;
1781 }
1782
1783 case LINUX_OSS_GETVERSION: {
1784 int version = linux_get_oss_version(td);
1785 return (copyout(&version, (void *)args->arg, sizeof(int)));
1786 }
1787
1788 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1789 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1790 return (sys_ioctl(td, (struct ioctl_args *)args));
1791
1792 case LINUX_SOUND_MIXER_READ_CAPS:
1793 args->cmd = SOUND_MIXER_READ_CAPS;
1794 return (sys_ioctl(td, (struct ioctl_args *)args));
1795
1796 case LINUX_SOUND_MIXER_READ_RECMASK:
1797 args->cmd = SOUND_MIXER_READ_RECMASK;
1798 return (sys_ioctl(td, (struct ioctl_args *)args));
1799
1800 case LINUX_SOUND_MIXER_READ_DEVMASK:
1801 args->cmd = SOUND_MIXER_READ_DEVMASK;
1802 return (sys_ioctl(td, (struct ioctl_args *)args));
1803
1804 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1805 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1806 return (sys_ioctl(td, (struct ioctl_args *)args));
1807
1808 case LINUX_SNDCTL_DSP_RESET:
1809 args->cmd = SNDCTL_DSP_RESET;
1810 return (sys_ioctl(td, (struct ioctl_args *)args));
1811
1812 case LINUX_SNDCTL_DSP_SYNC:
1813 args->cmd = SNDCTL_DSP_SYNC;
1814 return (sys_ioctl(td, (struct ioctl_args *)args));
1815
1816 case LINUX_SNDCTL_DSP_SPEED:
1817 args->cmd = SNDCTL_DSP_SPEED;
1818 return (sys_ioctl(td, (struct ioctl_args *)args));
1819
1820 case LINUX_SNDCTL_DSP_STEREO:
1821 args->cmd = SNDCTL_DSP_STEREO;
1822 return (sys_ioctl(td, (struct ioctl_args *)args));
1823
1824 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1825 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1826 return (sys_ioctl(td, (struct ioctl_args *)args));
1827
1828 case LINUX_SNDCTL_DSP_SETFMT:
1829 args->cmd = SNDCTL_DSP_SETFMT;
1830 return (sys_ioctl(td, (struct ioctl_args *)args));
1831
1832 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1833 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1834 return (sys_ioctl(td, (struct ioctl_args *)args));
1835
1836 case LINUX_SOUND_PCM_WRITE_FILTER:
1837 args->cmd = SOUND_PCM_WRITE_FILTER;
1838 return (sys_ioctl(td, (struct ioctl_args *)args));
1839
1840 case LINUX_SNDCTL_DSP_POST:
1841 args->cmd = SNDCTL_DSP_POST;
1842 return (sys_ioctl(td, (struct ioctl_args *)args));
1843
1844 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1845 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1846 return (sys_ioctl(td, (struct ioctl_args *)args));
1847
1848 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1849 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1850 return (sys_ioctl(td, (struct ioctl_args *)args));
1851
1852 case LINUX_SNDCTL_DSP_GETFMTS:
1853 args->cmd = SNDCTL_DSP_GETFMTS;
1854 return (sys_ioctl(td, (struct ioctl_args *)args));
1855
1856 case LINUX_SNDCTL_DSP_GETOSPACE:
1857 args->cmd = SNDCTL_DSP_GETOSPACE;
1858 return (sys_ioctl(td, (struct ioctl_args *)args));
1859
1860 case LINUX_SNDCTL_DSP_GETISPACE:
1861 args->cmd = SNDCTL_DSP_GETISPACE;
1862 return (sys_ioctl(td, (struct ioctl_args *)args));
1863
1864 case LINUX_SNDCTL_DSP_NONBLOCK:
1865 args->cmd = SNDCTL_DSP_NONBLOCK;
1866 return (sys_ioctl(td, (struct ioctl_args *)args));
1867
1868 case LINUX_SNDCTL_DSP_GETCAPS:
1869 args->cmd = SNDCTL_DSP_GETCAPS;
1870 return (sys_ioctl(td, (struct ioctl_args *)args));
1871
1872 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1873 args->cmd = SNDCTL_DSP_SETTRIGGER;
1874 return (sys_ioctl(td, (struct ioctl_args *)args));
1875
1876 case LINUX_SNDCTL_DSP_GETIPTR:
1877 args->cmd = SNDCTL_DSP_GETIPTR;
1878 return (sys_ioctl(td, (struct ioctl_args *)args));
1879
1880 case LINUX_SNDCTL_DSP_GETOPTR:
1881 args->cmd = SNDCTL_DSP_GETOPTR;
1882 return (sys_ioctl(td, (struct ioctl_args *)args));
1883
1884 case LINUX_SNDCTL_DSP_SETDUPLEX:
1885 args->cmd = SNDCTL_DSP_SETDUPLEX;
1886 return (sys_ioctl(td, (struct ioctl_args *)args));
1887
1888 case LINUX_SNDCTL_DSP_GETODELAY:
1889 args->cmd = SNDCTL_DSP_GETODELAY;
1890 return (sys_ioctl(td, (struct ioctl_args *)args));
1891
1892 case LINUX_SNDCTL_SEQ_RESET:
1893 args->cmd = SNDCTL_SEQ_RESET;
1894 return (sys_ioctl(td, (struct ioctl_args *)args));
1895
1896 case LINUX_SNDCTL_SEQ_SYNC:
1897 args->cmd = SNDCTL_SEQ_SYNC;
1898 return (sys_ioctl(td, (struct ioctl_args *)args));
1899
1900 case LINUX_SNDCTL_SYNTH_INFO:
1901 args->cmd = SNDCTL_SYNTH_INFO;
1902 return (sys_ioctl(td, (struct ioctl_args *)args));
1903
1904 case LINUX_SNDCTL_SEQ_CTRLRATE:
1905 args->cmd = SNDCTL_SEQ_CTRLRATE;
1906 return (sys_ioctl(td, (struct ioctl_args *)args));
1907
1908 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1909 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1910 return (sys_ioctl(td, (struct ioctl_args *)args));
1911
1912 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1913 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1914 return (sys_ioctl(td, (struct ioctl_args *)args));
1915
1916 case LINUX_SNDCTL_SEQ_PERCMODE:
1917 args->cmd = SNDCTL_SEQ_PERCMODE;
1918 return (sys_ioctl(td, (struct ioctl_args *)args));
1919
1920 case LINUX_SNDCTL_FM_LOAD_INSTR:
1921 args->cmd = SNDCTL_FM_LOAD_INSTR;
1922 return (sys_ioctl(td, (struct ioctl_args *)args));
1923
1924 case LINUX_SNDCTL_SEQ_TESTMIDI:
1925 args->cmd = SNDCTL_SEQ_TESTMIDI;
1926 return (sys_ioctl(td, (struct ioctl_args *)args));
1927
1928 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1929 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1930 return (sys_ioctl(td, (struct ioctl_args *)args));
1931
1932 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1933 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1934 return (sys_ioctl(td, (struct ioctl_args *)args));
1935
1936 case LINUX_SNDCTL_SEQ_NRMIDIS:
1937 args->cmd = SNDCTL_SEQ_NRMIDIS;
1938 return (sys_ioctl(td, (struct ioctl_args *)args));
1939
1940 case LINUX_SNDCTL_MIDI_INFO:
1941 args->cmd = SNDCTL_MIDI_INFO;
1942 return (sys_ioctl(td, (struct ioctl_args *)args));
1943
1944 case LINUX_SNDCTL_SEQ_TRESHOLD:
1945 args->cmd = SNDCTL_SEQ_TRESHOLD;
1946 return (sys_ioctl(td, (struct ioctl_args *)args));
1947
1948 case LINUX_SNDCTL_SYNTH_MEMAVL:
1949 args->cmd = SNDCTL_SYNTH_MEMAVL;
1950 return (sys_ioctl(td, (struct ioctl_args *)args));
1951
1952 }
1953
1954 return (ENOIOCTL);
1955 }
1956
1957 /*
1958 * Console related ioctls
1959 */
1960
1961 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
1962
1963 static int
1964 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1965 {
1966 struct file *fp;
1967 int error;
1968
1969 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
1970 return (error);
1971 switch (args->cmd & 0xffff) {
1972
1973 case LINUX_KIOCSOUND:
1974 args->cmd = KIOCSOUND;
1975 error = (sys_ioctl(td, (struct ioctl_args *)args));
1976 break;
1977
1978 case LINUX_KDMKTONE:
1979 args->cmd = KDMKTONE;
1980 error = (sys_ioctl(td, (struct ioctl_args *)args));
1981 break;
1982
1983 case LINUX_KDGETLED:
1984 args->cmd = KDGETLED;
1985 error = (sys_ioctl(td, (struct ioctl_args *)args));
1986 break;
1987
1988 case LINUX_KDSETLED:
1989 args->cmd = KDSETLED;
1990 error = (sys_ioctl(td, (struct ioctl_args *)args));
1991 break;
1992
1993 case LINUX_KDSETMODE:
1994 args->cmd = KDSETMODE;
1995 error = (sys_ioctl(td, (struct ioctl_args *)args));
1996 break;
1997
1998 case LINUX_KDGETMODE:
1999 args->cmd = KDGETMODE;
2000 error = (sys_ioctl(td, (struct ioctl_args *)args));
2001 break;
2002
2003 case LINUX_KDGKBMODE:
2004 args->cmd = KDGKBMODE;
2005 error = (sys_ioctl(td, (struct ioctl_args *)args));
2006 break;
2007
2008 case LINUX_KDSKBMODE: {
2009 int kbdmode;
2010 switch (args->arg) {
2011 case LINUX_KBD_RAW:
2012 kbdmode = K_RAW;
2013 break;
2014 case LINUX_KBD_XLATE:
2015 kbdmode = K_XLATE;
2016 break;
2017 case LINUX_KBD_MEDIUMRAW:
2018 kbdmode = K_RAW;
2019 break;
2020 default:
2021 fdrop(fp, td);
2022 return (EINVAL);
2023 }
2024 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2025 td->td_ucred, td));
2026 break;
2027 }
2028
2029 case LINUX_VT_OPENQRY:
2030 args->cmd = VT_OPENQRY;
2031 error = (sys_ioctl(td, (struct ioctl_args *)args));
2032 break;
2033
2034 case LINUX_VT_GETMODE:
2035 args->cmd = VT_GETMODE;
2036 error = (sys_ioctl(td, (struct ioctl_args *)args));
2037 break;
2038
2039 case LINUX_VT_SETMODE: {
2040 struct vt_mode mode;
2041 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2042 break;
2043 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig))
2044 mode.frsig = mode.acqsig;
2045 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2046 break;
2047 args->cmd = VT_SETMODE;
2048 error = (sys_ioctl(td, (struct ioctl_args *)args));
2049 break;
2050 }
2051
2052 case LINUX_VT_GETSTATE:
2053 args->cmd = VT_GETACTIVE;
2054 error = (sys_ioctl(td, (struct ioctl_args *)args));
2055 break;
2056
2057 case LINUX_VT_RELDISP:
2058 args->cmd = VT_RELDISP;
2059 error = (sys_ioctl(td, (struct ioctl_args *)args));
2060 break;
2061
2062 case LINUX_VT_ACTIVATE:
2063 args->cmd = VT_ACTIVATE;
2064 error = (sys_ioctl(td, (struct ioctl_args *)args));
2065 break;
2066
2067 case LINUX_VT_WAITACTIVE:
2068 args->cmd = VT_WAITACTIVE;
2069 error = (sys_ioctl(td, (struct ioctl_args *)args));
2070 break;
2071
2072 default:
2073 error = ENOIOCTL;
2074 break;
2075 }
2076
2077 fdrop(fp, td);
2078 return (error);
2079 }
2080
2081 /*
2082 * Criteria for interface name translation
2083 */
2084 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
2085
2086 /*
2087 * Interface function used by linprocfs (at the time of writing). It's not
2088 * used by the Linuxulator itself.
2089 */
2090 int
2091 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
2092 {
2093 struct ifnet *ifscan;
2094 int ethno;
2095
2096 IFNET_RLOCK_ASSERT();
2097
2098 /* Short-circuit non ethernet interfaces */
2099 if (!IFP_IS_ETH(ifp))
2100 return (strlcpy(buffer, ifp->if_xname, buflen));
2101
2102 /* Determine the (relative) unit number for ethernet interfaces */
2103 ethno = 0;
2104 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) {
2105 if (ifscan == ifp)
2106 return (snprintf(buffer, buflen, "eth%d", ethno));
2107 if (IFP_IS_ETH(ifscan))
2108 ethno++;
2109 }
2110
2111 return (0);
2112 }
2113
2114 /*
2115 * Translate a Linux interface name to a FreeBSD interface name,
2116 * and return the associated ifnet structure
2117 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
2118 * can point to the same buffer.
2119 */
2120
2121 static struct ifnet *
2122 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname)
2123 {
2124 struct ifnet *ifp;
2125 int len, unit;
2126 char *ep;
2127 int is_eth, index;
2128
2129 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
2130 if (!isalpha(lxname[len]))
2131 break;
2132 if (len == 0 || len == LINUX_IFNAMSIZ)
2133 return (NULL);
2134 unit = (int)strtoul(lxname + len, &ep, 10);
2135 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
2136 return (NULL);
2137 index = 0;
2138 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
2139 CURVNET_SET(TD_TO_VNET(td));
2140 IFNET_RLOCK();
2141 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2142 /*
2143 * Allow Linux programs to use FreeBSD names. Don't presume
2144 * we never have an interface named "eth", so don't make
2145 * the test optional based on is_eth.
2146 */
2147 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
2148 break;
2149 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
2150 break;
2151 }
2152 IFNET_RUNLOCK();
2153 CURVNET_RESTORE();
2154 if (ifp != NULL)
2155 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
2156 return (ifp);
2157 }
2158
2159 /*
2160 * Implement the SIOCGIFCONF ioctl
2161 */
2162
2163 static int
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 (ifc.ifc_buf == PTROUT(NULL)) {
2186 ifc.ifc_len = 0;
2187 IFNET_RLOCK();
2188 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2189 TAILQ_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 TAILQ_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 TAILQ_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
2273 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2274 {
2275 l_short flags;
2276
2277 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff;
2278 /* these flags have no Linux equivalent */
2279 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX|
2280 IFF_LINK0|IFF_LINK1|IFF_LINK2);
2281 /* Linux' multicast flag is in a different bit */
2282 if (flags & IFF_MULTICAST) {
2283 flags &= ~IFF_MULTICAST;
2284 flags |= 0x1000;
2285 }
2286
2287 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2288 }
2289
2290 #define ARPHRD_ETHER 1
2291 #define ARPHRD_LOOPBACK 772
2292
2293 static int
2294 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2295 {
2296 struct ifaddr *ifa;
2297 struct sockaddr_dl *sdl;
2298 struct l_sockaddr lsa;
2299
2300 if (ifp->if_type == IFT_LOOP) {
2301 bzero(&lsa, sizeof(lsa));
2302 lsa.sa_family = ARPHRD_LOOPBACK;
2303 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2304 }
2305
2306 if (ifp->if_type != IFT_ETHER)
2307 return (ENOENT);
2308
2309 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2310 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
2311 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
2312 (sdl->sdl_type == IFT_ETHER)) {
2313 bzero(&lsa, sizeof(lsa));
2314 lsa.sa_family = ARPHRD_ETHER;
2315 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
2316 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2317 }
2318 }
2319
2320 return (ENOENT);
2321 }
2322
2323
2324 /*
2325 * If we fault in bsd_to_linux_ifreq() then we will fault when we call
2326 * the native ioctl(). Thus, we don't really need to check the return
2327 * value of this function.
2328 */
2329 static int
2330 bsd_to_linux_ifreq(struct ifreq *arg)
2331 {
2332 struct ifreq ifr;
2333 size_t ifr_len = sizeof(struct ifreq);
2334 int error;
2335
2336 if ((error = copyin(arg, &ifr, ifr_len)))
2337 return (error);
2338
2339 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2340
2341 error = copyout(&ifr, arg, ifr_len);
2342
2343 return (error);
2344 }
2345
2346 /*
2347 * Socket related ioctls
2348 */
2349
2350 static int
2351 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2352 {
2353 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2354 struct ifnet *ifp;
2355 struct file *fp;
2356 int error, type;
2357
2358 ifp = NULL;
2359 error = 0;
2360
2361 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2362 return (error);
2363 type = fp->f_type;
2364 fdrop(fp, td);
2365 if (type != DTYPE_SOCKET) {
2366 /* not a socket - probably a tap / vmnet device */
2367 switch (args->cmd) {
2368 case LINUX_SIOCGIFADDR:
2369 case LINUX_SIOCSIFADDR:
2370 case LINUX_SIOCGIFFLAGS:
2371 return (linux_ioctl_special(td, args));
2372 default:
2373 return (ENOIOCTL);
2374 }
2375 }
2376
2377 switch (args->cmd & 0xffff) {
2378
2379 case LINUX_FIOGETOWN:
2380 case LINUX_FIOSETOWN:
2381 case LINUX_SIOCADDMULTI:
2382 case LINUX_SIOCATMARK:
2383 case LINUX_SIOCDELMULTI:
2384 case LINUX_SIOCGIFCONF:
2385 case LINUX_SIOCGPGRP:
2386 case LINUX_SIOCSPGRP:
2387 case LINUX_SIOCGIFCOUNT:
2388 /* these ioctls don't take an interface name */
2389 #ifdef DEBUG
2390 printf("%s(): ioctl %d\n", __func__,
2391 args->cmd & 0xffff);
2392 #endif
2393 break;
2394
2395 case LINUX_SIOCGIFFLAGS:
2396 case LINUX_SIOCGIFADDR:
2397 case LINUX_SIOCSIFADDR:
2398 case LINUX_SIOCGIFDSTADDR:
2399 case LINUX_SIOCGIFBRDADDR:
2400 case LINUX_SIOCGIFNETMASK:
2401 case LINUX_SIOCSIFNETMASK:
2402 case LINUX_SIOCGIFMTU:
2403 case LINUX_SIOCSIFMTU:
2404 case LINUX_SIOCSIFNAME:
2405 case LINUX_SIOCGIFHWADDR:
2406 case LINUX_SIOCSIFHWADDR:
2407 case LINUX_SIOCDEVPRIVATE:
2408 case LINUX_SIOCDEVPRIVATE+1:
2409 case LINUX_SIOCGIFINDEX:
2410 /* copy in the interface name and translate it. */
2411 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2412 if (error != 0)
2413 return (error);
2414 #ifdef DEBUG
2415 printf("%s(): ioctl %d on %.*s\n", __func__,
2416 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
2417 #endif
2418 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2419 if (ifp == NULL)
2420 return (EINVAL);
2421 /*
2422 * We need to copy it back out in case we pass the
2423 * request on to our native ioctl(), which will expect
2424 * the ifreq to be in user space and have the correct
2425 * interface name.
2426 */
2427 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2428 if (error != 0)
2429 return (error);
2430 #ifdef DEBUG
2431 printf("%s(): %s translated to %s\n", __func__,
2432 lifname, ifname);
2433 #endif
2434 break;
2435
2436 default:
2437 return (ENOIOCTL);
2438 }
2439
2440 switch (args->cmd & 0xffff) {
2441
2442 case LINUX_FIOSETOWN:
2443 args->cmd = FIOSETOWN;
2444 error = sys_ioctl(td, (struct ioctl_args *)args);
2445 break;
2446
2447 case LINUX_SIOCSPGRP:
2448 args->cmd = SIOCSPGRP;
2449 error = sys_ioctl(td, (struct ioctl_args *)args);
2450 break;
2451
2452 case LINUX_FIOGETOWN:
2453 args->cmd = FIOGETOWN;
2454 error = sys_ioctl(td, (struct ioctl_args *)args);
2455 break;
2456
2457 case LINUX_SIOCGPGRP:
2458 args->cmd = SIOCGPGRP;
2459 error = sys_ioctl(td, (struct ioctl_args *)args);
2460 break;
2461
2462 case LINUX_SIOCATMARK:
2463 args->cmd = SIOCATMARK;
2464 error = sys_ioctl(td, (struct ioctl_args *)args);
2465 break;
2466
2467 /* LINUX_SIOCGSTAMP */
2468
2469 case LINUX_SIOCGIFCONF:
2470 error = linux_ifconf(td, (struct ifconf *)args->arg);
2471 break;
2472
2473 case LINUX_SIOCGIFFLAGS:
2474 args->cmd = SIOCGIFFLAGS;
2475 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2476 break;
2477
2478 case LINUX_SIOCGIFADDR:
2479 args->cmd = SIOCGIFADDR;
2480 error = sys_ioctl(td, (struct ioctl_args *)args);
2481 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2482 break;
2483
2484 case LINUX_SIOCSIFADDR:
2485 /* XXX probably doesn't work, included for completeness */
2486 args->cmd = SIOCSIFADDR;
2487 error = sys_ioctl(td, (struct ioctl_args *)args);
2488 break;
2489
2490 case LINUX_SIOCGIFDSTADDR:
2491 args->cmd = SIOCGIFDSTADDR;
2492 error = sys_ioctl(td, (struct ioctl_args *)args);
2493 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2494 break;
2495
2496 case LINUX_SIOCGIFBRDADDR:
2497 args->cmd = SIOCGIFBRDADDR;
2498 error = sys_ioctl(td, (struct ioctl_args *)args);
2499 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2500 break;
2501
2502 case LINUX_SIOCGIFNETMASK:
2503 args->cmd = SIOCGIFNETMASK;
2504 error = sys_ioctl(td, (struct ioctl_args *)args);
2505 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2506 break;
2507
2508 case LINUX_SIOCSIFNETMASK:
2509 error = ENOIOCTL;
2510 break;
2511
2512 case LINUX_SIOCGIFMTU:
2513 args->cmd = SIOCGIFMTU;
2514 error = sys_ioctl(td, (struct ioctl_args *)args);
2515 break;
2516
2517 case LINUX_SIOCSIFMTU:
2518 args->cmd = SIOCSIFMTU;
2519 error = sys_ioctl(td, (struct ioctl_args *)args);
2520 break;
2521
2522 case LINUX_SIOCSIFNAME:
2523 error = ENOIOCTL;
2524 break;
2525
2526 case LINUX_SIOCGIFHWADDR:
2527 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2528 break;
2529
2530 case LINUX_SIOCSIFHWADDR:
2531 error = ENOIOCTL;
2532 break;
2533
2534 case LINUX_SIOCADDMULTI:
2535 args->cmd = SIOCADDMULTI;
2536 error = sys_ioctl(td, (struct ioctl_args *)args);
2537 break;
2538
2539 case LINUX_SIOCDELMULTI:
2540 args->cmd = SIOCDELMULTI;
2541 error = sys_ioctl(td, (struct ioctl_args *)args);
2542 break;
2543
2544 case LINUX_SIOCGIFINDEX:
2545 args->cmd = SIOCGIFINDEX;
2546 error = sys_ioctl(td, (struct ioctl_args *)args);
2547 break;
2548
2549 case LINUX_SIOCGIFCOUNT:
2550 error = 0;
2551 break;
2552
2553 /*
2554 * XXX This is slightly bogus, but these ioctls are currently
2555 * XXX only used by the aironet (if_an) network driver.
2556 */
2557 case LINUX_SIOCDEVPRIVATE:
2558 args->cmd = SIOCGPRIVATE_0;
2559 error = sys_ioctl(td, (struct ioctl_args *)args);
2560 break;
2561
2562 case LINUX_SIOCDEVPRIVATE+1:
2563 args->cmd = SIOCGPRIVATE_1;
2564 error = sys_ioctl(td, (struct ioctl_args *)args);
2565 break;
2566 }
2567
2568 if (ifp != NULL)
2569 /* restore the original interface name */
2570 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2571
2572 #ifdef DEBUG
2573 printf("%s(): returning %d\n", __func__, error);
2574 #endif
2575 return (error);
2576 }
2577
2578 /*
2579 * Device private ioctl handler
2580 */
2581 static int
2582 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2583 {
2584 struct file *fp;
2585 int error, type;
2586
2587 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2588 return (error);
2589 type = fp->f_type;
2590 fdrop(fp, td);
2591 if (type == DTYPE_SOCKET)
2592 return (linux_ioctl_socket(td, args));
2593 return (ENOIOCTL);
2594 }
2595
2596 /*
2597 * DRM ioctl handler (sys/dev/drm)
2598 */
2599 static int
2600 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2601 {
2602 args->cmd = SETDIR(args->cmd);
2603 return sys_ioctl(td, (struct ioctl_args *)args);
2604 }
2605
2606 static int
2607 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2608 {
2609 struct file *fp;
2610 u_long cmd;
2611 int error;
2612
2613 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) {
2614 printf("sg_linux_ioctl: fget returned %d\n", error);
2615 return (error);
2616 }
2617 cmd = args->cmd;
2618
2619 error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td));
2620 fdrop(fp, td);
2621 return (error);
2622 }
2623
2624 /*
2625 * Video4Linux (V4L) ioctl handler
2626 */
2627 static int
2628 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2629 {
2630 vt->tuner = lvt->tuner;
2631 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2632 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2633 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2634 vt->flags = lvt->flags;
2635 vt->mode = lvt->mode;
2636 vt->signal = lvt->signal;
2637 return (0);
2638 }
2639
2640 static int
2641 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2642 {
2643 lvt->tuner = vt->tuner;
2644 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2645 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2646 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2647 lvt->flags = vt->flags;
2648 lvt->mode = vt->mode;
2649 lvt->signal = vt->signal;
2650 return (0);
2651 }
2652
2653 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2654 static int
2655 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2656 {
2657 vc->x = lvc->x;
2658 vc->y = lvc->y;
2659 vc->width = lvc->width;
2660 vc->height = lvc->height;
2661 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2662 return (0);
2663 }
2664 #endif
2665
2666 static int
2667 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2668 {
2669 vw->x = lvw->x;
2670 vw->y = lvw->y;
2671 vw->width = lvw->width;
2672 vw->height = lvw->height;
2673 vw->chromakey = lvw->chromakey;
2674 vw->flags = lvw->flags;
2675 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2676 vw->clipcount = lvw->clipcount;
2677 return (0);
2678 }
2679
2680 static int
2681 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2682 {
2683 lvw->x = vw->x;
2684 lvw->y = vw->y;
2685 lvw->width = vw->width;
2686 lvw->height = vw->height;
2687 lvw->chromakey = vw->chromakey;
2688 lvw->flags = vw->flags;
2689 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2690 lvw->clipcount = vw->clipcount;
2691 return (0);
2692 }
2693
2694 static int
2695 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2696 {
2697 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2698 vb->height = lvb->height;
2699 vb->width = lvb->width;
2700 vb->depth = lvb->depth;
2701 vb->bytesperline = lvb->bytesperline;
2702 return (0);
2703 }
2704
2705 static int
2706 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2707 {
2708 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2709 lvb->height = vb->height;
2710 lvb->width = vb->width;
2711 lvb->depth = vb->depth;
2712 lvb->bytesperline = vb->bytesperline;
2713 return (0);
2714 }
2715
2716 static int
2717 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2718 {
2719 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2720 vc->datasize = lvc->datasize;
2721 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2722 return (0);
2723 }
2724
2725 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2726 static int
2727 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2728 {
2729 int error;
2730 struct video_clip vclip;
2731 struct l_video_clip l_vclip;
2732
2733 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2734 if (error) return (error);
2735 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2736 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2737 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2738 return (ENOMEM); /* XXX: linux has no ENOMEM here */
2739 memcpy(*ppvc, &vclip, sizeof(vclip));
2740 (*ppvc)->next = NULL;
2741 return (0);
2742 }
2743
2744 static int
2745 linux_v4l_cliplist_free(struct video_window *vw)
2746 {
2747 struct video_clip **ppvc;
2748 struct video_clip **ppvc_next;
2749
2750 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2751 ppvc_next = &((*ppvc)->next);
2752 free(*ppvc, M_LINUX);
2753 }
2754 vw->clips = NULL;
2755
2756 return (0);
2757 }
2758
2759 static int
2760 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2761 {
2762 int error;
2763 int clipcount;
2764 void *plvc;
2765 struct video_clip **ppvc;
2766
2767 /*
2768 * XXX: The cliplist is used to pass in a list of clipping
2769 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2770 * clipping bitmap. Some Linux apps, however, appear to
2771 * leave cliplist and clips uninitialized. In any case,
2772 * the cliplist is not used by pwc(4), at the time of
2773 * writing, FreeBSD's only V4L driver. When a driver
2774 * that uses the cliplist is developed, this code may
2775 * need re-examiniation.
2776 */
2777 error = 0;
2778 clipcount = vw->clipcount;
2779 if (clipcount == VIDEO_CLIP_BITMAP) {
2780 /*
2781 * In this case, the pointer (clips) is overloaded
2782 * to be a "void *" to a bitmap, therefore there
2783 * is no struct video_clip to copy now.
2784 */
2785 } else if (clipcount > 0 && clipcount <= 16384) {
2786 /*
2787 * Clips points to list of clip rectangles, so
2788 * copy the list.
2789 *
2790 * XXX: Upper limit of 16384 was used here to try to
2791 * avoid cases when clipcount and clips pointer
2792 * are uninitialized and therefore have high random
2793 * values, as is the case in the Linux Skype
2794 * application. The value 16384 was chosen as that
2795 * is what is used in the Linux stradis(4) MPEG
2796 * decoder driver, the only place we found an
2797 * example of cliplist use.
2798 */
2799 plvc = PTRIN(lvw->clips);
2800 vw->clips = NULL;
2801 ppvc = &(vw->clips);
2802 while (clipcount-- > 0) {
2803 if (plvc == 0) {
2804 error = EFAULT;
2805 break;
2806 } else {
2807 error = linux_v4l_clip_copy(plvc, ppvc);
2808 if (error) {
2809 linux_v4l_cliplist_free(vw);
2810 break;
2811 }
2812 }
2813 ppvc = &((*ppvc)->next);
2814 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2815 }
2816 } else {
2817 /*
2818 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2819 * Force cliplist to null.
2820 */
2821 vw->clipcount = 0;
2822 vw->clips = NULL;
2823 }
2824 return (error);
2825 }
2826 #endif
2827
2828 static int
2829 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2830 {
2831 struct file *fp;
2832 int error;
2833 struct video_tuner vtun;
2834 struct video_window vwin;
2835 struct video_buffer vbuf;
2836 struct video_code vcode;
2837 struct l_video_tuner l_vtun;
2838 struct l_video_window l_vwin;
2839 struct l_video_buffer l_vbuf;
2840 struct l_video_code l_vcode;
2841
2842 switch (args->cmd & 0xffff) {
2843 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2844 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2845 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2846
2847 case LINUX_VIDIOCGTUNER:
2848 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2849 return (error);
2850 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2851 if (error) {
2852 fdrop(fp, td);
2853 return (error);
2854 }
2855 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2856 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2857 if (!error) {
2858 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2859 error = copyout(&l_vtun, (void *) args->arg,
2860 sizeof(l_vtun));
2861 }
2862 fdrop(fp, td);
2863 return (error);
2864
2865 case LINUX_VIDIOCSTUNER:
2866 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2867 return (error);
2868 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2869 if (error) {
2870 fdrop(fp, td);
2871 return (error);
2872 }
2873 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2874 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2875 fdrop(fp, td);
2876 return (error);
2877
2878 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2879 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2880 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2881
2882 case LINUX_VIDIOCGWIN:
2883 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2884 return (error);
2885 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2886 if (!error) {
2887 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2888 error = copyout(&l_vwin, (void *) args->arg,
2889 sizeof(l_vwin));
2890 }
2891 fdrop(fp, td);
2892 return (error);
2893
2894 case LINUX_VIDIOCSWIN:
2895 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2896 return (error);
2897 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
2898 if (error) {
2899 fdrop(fp, td);
2900 return (error);
2901 }
2902 linux_to_bsd_v4l_window(&l_vwin, &vwin);
2903 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2904 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
2905 if (error) {
2906 fdrop(fp, td);
2907 return (error);
2908 }
2909 #endif
2910 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
2911 fdrop(fp, td);
2912 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2913 linux_v4l_cliplist_free(&vwin);
2914 #endif
2915 return (error);
2916
2917 case LINUX_VIDIOCGFBUF:
2918 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2919 return (error);
2920 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
2921 if (!error) {
2922 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
2923 error = copyout(&l_vbuf, (void *) args->arg,
2924 sizeof(l_vbuf));
2925 }
2926 fdrop(fp, td);
2927 return (error);
2928
2929 case LINUX_VIDIOCSFBUF:
2930 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2931 return (error);
2932 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
2933 if (error) {
2934 fdrop(fp, td);
2935 return (error);
2936 }
2937 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
2938 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
2939 fdrop(fp, td);
2940 return (error);
2941
2942 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
2943 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
2944 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
2945 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
2946 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
2947 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
2948 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
2949 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
2950 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
2951 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
2952 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
2953 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
2954 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
2955 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
2956
2957 case LINUX_VIDIOCSMICROCODE:
2958 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
2959 return (error);
2960 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
2961 if (error) {
2962 fdrop(fp, td);
2963 return (error);
2964 }
2965 linux_to_bsd_v4l_code(&l_vcode, &vcode);
2966 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
2967 fdrop(fp, td);
2968 return (error);
2969
2970 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
2971 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
2972 default: return (ENOIOCTL);
2973 }
2974
2975 error = sys_ioctl(td, (struct ioctl_args *)args);
2976 return (error);
2977 }
2978
2979 /*
2980 * Special ioctl handler
2981 */
2982 static int
2983 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
2984 {
2985 int error;
2986
2987 switch (args->cmd) {
2988 case LINUX_SIOCGIFADDR:
2989 args->cmd = SIOCGIFADDR;
2990 error = sys_ioctl(td, (struct ioctl_args *)args);
2991 break;
2992 case LINUX_SIOCSIFADDR:
2993 args->cmd = SIOCSIFADDR;
2994 error = sys_ioctl(td, (struct ioctl_args *)args);
2995 break;
2996 case LINUX_SIOCGIFFLAGS:
2997 args->cmd = SIOCGIFFLAGS;
2998 error = sys_ioctl(td, (struct ioctl_args *)args);
2999 break;
3000 default:
3001 error = ENOIOCTL;
3002 }
3003
3004 return (error);
3005 }
3006
3007 static int
3008 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3009 {
3010 vstd->index = lvstd->index;
3011 vstd->id = lvstd->id;
3012 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3013 return (0);
3014 }
3015
3016 static int
3017 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3018 {
3019 lvstd->index = vstd->index;
3020 lvstd->id = vstd->id;
3021 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3022 return (0);
3023 }
3024
3025 static int
3026 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3027 {
3028 vb->index = lvb->index;
3029 vb->type = lvb->type;
3030 vb->bytesused = lvb->bytesused;
3031 vb->flags = lvb->flags;
3032 vb->field = lvb->field;
3033 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3034 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3035 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3036 vb->sequence = lvb->sequence;
3037 vb->memory = lvb->memory;
3038 if (lvb->memory == V4L2_MEMORY_USERPTR)
3039 /* possible pointer size conversion */
3040 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3041 else
3042 vb->m.offset = lvb->m.offset;
3043 vb->length = lvb->length;
3044 vb->input = lvb->input;
3045 vb->reserved = lvb->reserved;
3046 return (0);
3047 }
3048
3049 static int
3050 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3051 {
3052 lvb->index = vb->index;
3053 lvb->type = vb->type;
3054 lvb->bytesused = vb->bytesused;
3055 lvb->flags = vb->flags;
3056 lvb->field = vb->field;
3057 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3058 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3059 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3060 lvb->sequence = vb->sequence;
3061 lvb->memory = vb->memory;
3062 if (vb->memory == V4L2_MEMORY_USERPTR)
3063 /* possible pointer size conversion */
3064 lvb->m.userptr = PTROUT(vb->m.userptr);
3065 else
3066 lvb->m.offset = vb->m.offset;
3067 lvb->length = vb->length;
3068 lvb->input = vb->input;
3069 lvb->reserved = vb->reserved;
3070 return (0);
3071 }
3072
3073 static int
3074 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3075 {
3076 vf->type = lvf->type;
3077 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3078 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3079 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3080 #endif
3081 )
3082 /*
3083 * XXX TODO - needs 32 -> 64 bit conversion:
3084 * (unused by webcams?)
3085 */
3086 return EINVAL;
3087 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3088 return 0;
3089 }
3090
3091 static int
3092 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3093 {
3094 lvf->type = vf->type;
3095 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3096 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3097 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3098 #endif
3099 )
3100 /*
3101 * XXX TODO - needs 32 -> 64 bit conversion:
3102 * (unused by webcams?)
3103 */
3104 return EINVAL;
3105 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3106 return 0;
3107 }
3108 static int
3109 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3110 {
3111 struct file *fp;
3112 int error;
3113 struct v4l2_format vformat;
3114 struct l_v4l2_format l_vformat;
3115 struct v4l2_standard vstd;
3116 struct l_v4l2_standard l_vstd;
3117 struct l_v4l2_buffer l_vbuf;
3118 struct v4l2_buffer vbuf;
3119 struct v4l2_input vinp;
3120
3121 switch (args->cmd & 0xffff) {
3122 case LINUX_VIDIOC_RESERVED:
3123 case LINUX_VIDIOC_LOG_STATUS:
3124 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3125 return ENOIOCTL;
3126 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3127 break;
3128
3129 case LINUX_VIDIOC_OVERLAY:
3130 case LINUX_VIDIOC_STREAMON:
3131 case LINUX_VIDIOC_STREAMOFF:
3132 case LINUX_VIDIOC_S_STD:
3133 case LINUX_VIDIOC_S_TUNER:
3134 case LINUX_VIDIOC_S_AUDIO:
3135 case LINUX_VIDIOC_S_AUDOUT:
3136 case LINUX_VIDIOC_S_MODULATOR:
3137 case LINUX_VIDIOC_S_FREQUENCY:
3138 case LINUX_VIDIOC_S_CROP:
3139 case LINUX_VIDIOC_S_JPEGCOMP:
3140 case LINUX_VIDIOC_S_PRIORITY:
3141 case LINUX_VIDIOC_DBG_S_REGISTER:
3142 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3143 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3144 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3145 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3146 break;
3147
3148 case LINUX_VIDIOC_QUERYCAP:
3149 case LINUX_VIDIOC_G_STD:
3150 case LINUX_VIDIOC_G_AUDIO:
3151 case LINUX_VIDIOC_G_INPUT:
3152 case LINUX_VIDIOC_G_OUTPUT:
3153 case LINUX_VIDIOC_G_AUDOUT:
3154 case LINUX_VIDIOC_G_JPEGCOMP:
3155 case LINUX_VIDIOC_QUERYSTD:
3156 case LINUX_VIDIOC_G_PRIORITY:
3157 case LINUX_VIDIOC_QUERY_DV_PRESET:
3158 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3159 break;
3160
3161 case LINUX_VIDIOC_ENUM_FMT:
3162 case LINUX_VIDIOC_REQBUFS:
3163 case LINUX_VIDIOC_G_PARM:
3164 case LINUX_VIDIOC_S_PARM:
3165 case LINUX_VIDIOC_G_CTRL:
3166 case LINUX_VIDIOC_S_CTRL:
3167 case LINUX_VIDIOC_G_TUNER:
3168 case LINUX_VIDIOC_QUERYCTRL:
3169 case LINUX_VIDIOC_QUERYMENU:
3170 case LINUX_VIDIOC_S_INPUT:
3171 case LINUX_VIDIOC_S_OUTPUT:
3172 case LINUX_VIDIOC_ENUMOUTPUT:
3173 case LINUX_VIDIOC_G_MODULATOR:
3174 case LINUX_VIDIOC_G_FREQUENCY:
3175 case LINUX_VIDIOC_CROPCAP:
3176 case LINUX_VIDIOC_G_CROP:
3177 case LINUX_VIDIOC_ENUMAUDIO:
3178 case LINUX_VIDIOC_ENUMAUDOUT:
3179 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3180 #ifdef VIDIOC_ENUM_FRAMESIZES
3181 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3182 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3183 case LINUX_VIDIOC_ENCODER_CMD:
3184 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3185 #endif
3186 case LINUX_VIDIOC_DBG_G_REGISTER:
3187 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3188 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3189 case LINUX_VIDIOC_S_DV_PRESET:
3190 case LINUX_VIDIOC_G_DV_PRESET:
3191 case LINUX_VIDIOC_S_DV_TIMINGS:
3192 case LINUX_VIDIOC_G_DV_TIMINGS:
3193 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3194 break;
3195
3196 case LINUX_VIDIOC_G_FMT:
3197 case LINUX_VIDIOC_S_FMT:
3198 case LINUX_VIDIOC_TRY_FMT:
3199 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3200 if (error)
3201 return (error);
3202 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
3203 return (error);
3204 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3205 error = EINVAL;
3206 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3207 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3208 td->td_ucred, td);
3209 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3210 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3211 td->td_ucred, td);
3212 else
3213 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3214 td->td_ucred, td);
3215 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3216 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
3217 fdrop(fp, td);
3218 return (error);
3219
3220 case LINUX_VIDIOC_ENUMSTD:
3221 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3222 if (error)
3223 return (error);
3224 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3225 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
3226 return (error);
3227 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3228 td->td_ucred, td);
3229 if (error) {
3230 fdrop(fp, td);
3231 return (error);
3232 }
3233 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3234 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3235 fdrop(fp, td);
3236 return (error);
3237
3238 case LINUX_VIDIOC_ENUMINPUT:
3239 /*
3240 * The Linux struct l_v4l2_input differs only in size,
3241 * it has no padding at the end.
3242 */
3243 error = copyin((void *)args->arg, &vinp,
3244 sizeof(struct l_v4l2_input));
3245 if (error != 0)
3246 return (error);
3247 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
3248 return (error);
3249 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3250 td->td_ucred, td);
3251 if (error) {
3252 fdrop(fp, td);
3253 return (error);
3254 }
3255 error = copyout(&vinp, (void *)args->arg,
3256 sizeof(struct l_v4l2_input));
3257 fdrop(fp, td);
3258 return (error);
3259
3260 case LINUX_VIDIOC_QUERYBUF:
3261 case LINUX_VIDIOC_QBUF:
3262 case LINUX_VIDIOC_DQBUF:
3263 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3264 if (error)
3265 return (error);
3266 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
3267 return (error);
3268 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3269 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3270 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3271 td->td_ucred, td);
3272 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3273 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3274 td->td_ucred, td);
3275 else
3276 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3277 td->td_ucred, td);
3278 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3279 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
3280 fdrop(fp, td);
3281 return (error);
3282
3283 /*
3284 * XXX TODO - these need 32 -> 64 bit conversion:
3285 * (are any of them needed for webcams?)
3286 */
3287 case LINUX_VIDIOC_G_FBUF:
3288 case LINUX_VIDIOC_S_FBUF:
3289
3290 case LINUX_VIDIOC_G_EXT_CTRLS:
3291 case LINUX_VIDIOC_S_EXT_CTRLS:
3292 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3293
3294 case LINUX_VIDIOC_DQEVENT:
3295
3296 default: return (ENOIOCTL);
3297 }
3298
3299 error = sys_ioctl(td, (struct ioctl_args *)args);
3300 return (error);
3301 }
3302
3303 /*
3304 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3305 * instead of USB* ones. This lets us to provide correct values for cmd.
3306 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3307 */
3308 static int
3309 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3310 {
3311 int error;
3312
3313 error = 0;
3314 switch (args->cmd) {
3315 case FBSD_LUSB_DEVICEENUMERATE:
3316 args->cmd = USB_DEVICEENUMERATE;
3317 break;
3318 case FBSD_LUSB_DEV_QUIRK_ADD:
3319 args->cmd = USB_DEV_QUIRK_ADD;
3320 break;
3321 case FBSD_LUSB_DEV_QUIRK_GET:
3322 args->cmd = USB_DEV_QUIRK_GET;
3323 break;
3324 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3325 args->cmd = USB_DEV_QUIRK_REMOVE;
3326 break;
3327 case FBSD_LUSB_DO_REQUEST:
3328 args->cmd = USB_DO_REQUEST;
3329 break;
3330 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3331 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3332 break;
3333 case FBSD_LUSB_FS_CLOSE:
3334 args->cmd = USB_FS_CLOSE;
3335 break;
3336 case FBSD_LUSB_FS_COMPLETE:
3337 args->cmd = USB_FS_COMPLETE;
3338 break;
3339 case FBSD_LUSB_FS_INIT:
3340 args->cmd = USB_FS_INIT;
3341 break;
3342 case FBSD_LUSB_FS_OPEN:
3343 args->cmd = USB_FS_OPEN;
3344 break;
3345 case FBSD_LUSB_FS_START:
3346 args->cmd = USB_FS_START;
3347 break;
3348 case FBSD_LUSB_FS_STOP:
3349 args->cmd = USB_FS_STOP;
3350 break;
3351 case FBSD_LUSB_FS_UNINIT:
3352 args->cmd = USB_FS_UNINIT;
3353 break;
3354 case FBSD_LUSB_GET_CONFIG:
3355 args->cmd = USB_GET_CONFIG;
3356 break;
3357 case FBSD_LUSB_GET_DEVICEINFO:
3358 args->cmd = USB_GET_DEVICEINFO;
3359 break;
3360 case FBSD_LUSB_GET_DEVICE_DESC:
3361 args->cmd = USB_GET_DEVICE_DESC;
3362 break;
3363 case FBSD_LUSB_GET_FULL_DESC:
3364 args->cmd = USB_GET_FULL_DESC;
3365 break;
3366 case FBSD_LUSB_GET_IFACE_DRIVER:
3367 args->cmd = USB_GET_IFACE_DRIVER;
3368 break;
3369 case FBSD_LUSB_GET_PLUGTIME:
3370 args->cmd = USB_GET_PLUGTIME;
3371 break;
3372 case FBSD_LUSB_GET_POWER_MODE:
3373 args->cmd = USB_GET_POWER_MODE;
3374 break;
3375 case FBSD_LUSB_GET_REPORT_DESC:
3376 args->cmd = USB_GET_REPORT_DESC;
3377 break;
3378 case FBSD_LUSB_GET_REPORT_ID:
3379 args->cmd = USB_GET_REPORT_ID;
3380 break;
3381 case FBSD_LUSB_GET_TEMPLATE:
3382 args->cmd = USB_GET_TEMPLATE;
3383 break;
3384 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3385 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3386 break;
3387 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3388 args->cmd = USB_IFACE_DRIVER_DETACH;
3389 break;
3390 case FBSD_LUSB_QUIRK_NAME_GET:
3391 args->cmd = USB_QUIRK_NAME_GET;
3392 break;
3393 case FBSD_LUSB_READ_DIR:
3394 args->cmd = USB_READ_DIR;
3395 break;
3396 case FBSD_LUSB_SET_ALTINTERFACE:
3397 args->cmd = USB_SET_ALTINTERFACE;
3398 break;
3399 case FBSD_LUSB_SET_CONFIG:
3400 args->cmd = USB_SET_CONFIG;
3401 break;
3402 case FBSD_LUSB_SET_IMMED:
3403 args->cmd = USB_SET_IMMED;
3404 break;
3405 case FBSD_LUSB_SET_POWER_MODE:
3406 args->cmd = USB_SET_POWER_MODE;
3407 break;
3408 case FBSD_LUSB_SET_TEMPLATE:
3409 args->cmd = USB_SET_TEMPLATE;
3410 break;
3411 default:
3412 error = ENOIOCTL;
3413 }
3414 if (error != ENOIOCTL)
3415 error = sys_ioctl(td, (struct ioctl_args *)args);
3416 return (error);
3417 }
3418
3419 /*
3420 * main ioctl syscall function
3421 */
3422
3423 int
3424 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3425 {
3426 struct file *fp;
3427 struct handler_element *he;
3428 int error, cmd;
3429
3430 #ifdef DEBUG
3431 if (ldebug(ioctl))
3432 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
3433 (unsigned long)args->cmd);
3434 #endif
3435
3436 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
3437 return (error);
3438 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3439 fdrop(fp, td);
3440 return (EBADF);
3441 }
3442
3443 /* Iterate over the ioctl handlers */
3444 cmd = args->cmd & 0xffff;
3445 sx_slock(&linux_ioctl_sx);
3446 mtx_lock(&Giant);
3447 TAILQ_FOREACH(he, &handlers, list) {
3448 if (cmd >= he->low && cmd <= he->high) {
3449 error = (*he->func)(td, args);
3450 if (error != ENOIOCTL) {
3451 mtx_unlock(&Giant);
3452 sx_sunlock(&linux_ioctl_sx);
3453 fdrop(fp, td);
3454 return (error);
3455 }
3456 }
3457 }
3458 mtx_unlock(&Giant);
3459 sx_sunlock(&linux_ioctl_sx);
3460 fdrop(fp, td);
3461
3462 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3463 args->fd, (int)(args->cmd & 0xffff),
3464 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3465
3466 return (EINVAL);
3467 }
3468
3469 int
3470 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3471 {
3472 struct handler_element *he, *cur;
3473
3474 if (h == NULL || h->func == NULL)
3475 return (EINVAL);
3476
3477 /*
3478 * Reuse the element if the handler is already on the list, otherwise
3479 * create a new element.
3480 */
3481 sx_xlock(&linux_ioctl_sx);
3482 TAILQ_FOREACH(he, &handlers, list) {
3483 if (he->func == h->func)
3484 break;
3485 }
3486 if (he == NULL) {
3487 he = malloc(sizeof(*he),
3488 M_LINUX, M_WAITOK);
3489 he->func = h->func;
3490 } else
3491 TAILQ_REMOVE(&handlers, he, list);
3492
3493 /* Initialize range information. */
3494 he->low = h->low;
3495 he->high = h->high;
3496 he->span = h->high - h->low + 1;
3497
3498 /* Add the element to the list, sorted on span. */
3499 TAILQ_FOREACH(cur, &handlers, list) {
3500 if (cur->span > he->span) {
3501 TAILQ_INSERT_BEFORE(cur, he, list);
3502 sx_xunlock(&linux_ioctl_sx);
3503 return (0);
3504 }
3505 }
3506 TAILQ_INSERT_TAIL(&handlers, he, list);
3507 sx_xunlock(&linux_ioctl_sx);
3508
3509 return (0);
3510 }
3511
3512 int
3513 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3514 {
3515 struct handler_element *he;
3516
3517 if (h == NULL || h->func == NULL)
3518 return (EINVAL);
3519
3520 sx_xlock(&linux_ioctl_sx);
3521 TAILQ_FOREACH(he, &handlers, list) {
3522 if (he->func == h->func) {
3523 TAILQ_REMOVE(&handlers, he, list);
3524 sx_xunlock(&linux_ioctl_sx);
3525 free(he, M_LINUX);
3526 return (0);
3527 }
3528 }
3529 sx_xunlock(&linux_ioctl_sx);
3530
3531 return (EINVAL);
3532 }
Cache object: c4ff45259843d5724e503a94d453bf31
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