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("$FreeBSD$");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/sysproto.h>
37 #include <sys/capsicum.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_var.h>
70 #include <net/if_dl.h>
71 #include <net/if_types.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 <contrib/v4l/videodev.h>
89 #include <compat/linux/linux_videodev_compat.h>
90
91 #include <contrib/v4l/videodev2.h>
92 #include <compat/linux/linux_videodev2_compat.h>
93
94 #include <cam/scsi/scsi_sg.h>
95
96 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
97
98 static linux_ioctl_function_t linux_ioctl_cdrom;
99 static linux_ioctl_function_t linux_ioctl_vfat;
100 static linux_ioctl_function_t linux_ioctl_console;
101 static linux_ioctl_function_t linux_ioctl_hdio;
102 static linux_ioctl_function_t linux_ioctl_disk;
103 static linux_ioctl_function_t linux_ioctl_socket;
104 static linux_ioctl_function_t linux_ioctl_sound;
105 static linux_ioctl_function_t linux_ioctl_termio;
106 static linux_ioctl_function_t linux_ioctl_private;
107 static linux_ioctl_function_t linux_ioctl_drm;
108 static linux_ioctl_function_t linux_ioctl_sg;
109 static linux_ioctl_function_t linux_ioctl_v4l;
110 static linux_ioctl_function_t linux_ioctl_v4l2;
111 static linux_ioctl_function_t linux_ioctl_special;
112 static linux_ioctl_function_t linux_ioctl_fbsd_usb;
113
114 static struct linux_ioctl_handler cdrom_handler =
115 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
116 static struct linux_ioctl_handler vfat_handler =
117 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
118 static struct linux_ioctl_handler console_handler =
119 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
120 static struct linux_ioctl_handler hdio_handler =
121 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
122 static struct linux_ioctl_handler disk_handler =
123 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
124 static struct linux_ioctl_handler socket_handler =
125 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
126 static struct linux_ioctl_handler sound_handler =
127 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
128 static struct linux_ioctl_handler termio_handler =
129 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
130 static struct linux_ioctl_handler private_handler =
131 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
132 static struct linux_ioctl_handler drm_handler =
133 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
134 static struct linux_ioctl_handler sg_handler =
135 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
136 static struct linux_ioctl_handler video_handler =
137 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX };
138 static struct linux_ioctl_handler video2_handler =
139 { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX };
140 static struct linux_ioctl_handler fbsd_usb =
141 { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX };
142
143 DATA_SET(linux_ioctl_handler_set, cdrom_handler);
144 DATA_SET(linux_ioctl_handler_set, vfat_handler);
145 DATA_SET(linux_ioctl_handler_set, console_handler);
146 DATA_SET(linux_ioctl_handler_set, hdio_handler);
147 DATA_SET(linux_ioctl_handler_set, disk_handler);
148 DATA_SET(linux_ioctl_handler_set, socket_handler);
149 DATA_SET(linux_ioctl_handler_set, sound_handler);
150 DATA_SET(linux_ioctl_handler_set, termio_handler);
151 DATA_SET(linux_ioctl_handler_set, private_handler);
152 DATA_SET(linux_ioctl_handler_set, drm_handler);
153 DATA_SET(linux_ioctl_handler_set, sg_handler);
154 DATA_SET(linux_ioctl_handler_set, video_handler);
155 DATA_SET(linux_ioctl_handler_set, video2_handler);
156 DATA_SET(linux_ioctl_handler_set, fbsd_usb);
157
158 struct handler_element
159 {
160 TAILQ_ENTRY(handler_element) list;
161 int (*func)(struct thread *, struct linux_ioctl_args *);
162 int low, high, span;
163 };
164
165 static TAILQ_HEAD(, handler_element) handlers =
166 TAILQ_HEAD_INITIALIZER(handlers);
167 static struct sx linux_ioctl_sx;
168 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers");
169
170 /*
171 * hdio related ioctls for VMWare support
172 */
173
174 struct linux_hd_geometry {
175 u_int8_t heads;
176 u_int8_t sectors;
177 u_int16_t cylinders;
178 u_int32_t start;
179 };
180
181 struct linux_hd_big_geometry {
182 u_int8_t heads;
183 u_int8_t sectors;
184 u_int32_t cylinders;
185 u_int32_t start;
186 };
187
188 static int
linux_ioctl_hdio(struct thread * td,struct linux_ioctl_args * args)189 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
190 {
191 cap_rights_t rights;
192 struct file *fp;
193 int error;
194 u_int sectorsize, fwcylinders, fwheads, fwsectors;
195 off_t mediasize, bytespercyl;
196
197 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
198 if (error != 0)
199 return (error);
200 switch (args->cmd & 0xffff) {
201 case LINUX_HDIO_GET_GEO:
202 case LINUX_HDIO_GET_GEO_BIG:
203 error = fo_ioctl(fp, DIOCGMEDIASIZE,
204 (caddr_t)&mediasize, td->td_ucred, td);
205 if (!error)
206 error = fo_ioctl(fp, DIOCGSECTORSIZE,
207 (caddr_t)§orsize, td->td_ucred, td);
208 if (!error)
209 error = fo_ioctl(fp, DIOCGFWHEADS,
210 (caddr_t)&fwheads, td->td_ucred, td);
211 if (!error)
212 error = fo_ioctl(fp, DIOCGFWSECTORS,
213 (caddr_t)&fwsectors, td->td_ucred, td);
214 /*
215 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
216 * so pretend that GEOM always says 0. This is NOT VALID
217 * for slices or partitions, only the per-disk raw devices.
218 */
219
220 fdrop(fp, td);
221 if (error)
222 return (error);
223 /*
224 * 1. Calculate the number of bytes in a cylinder,
225 * given the firmware's notion of heads and sectors
226 * per cylinder.
227 * 2. Calculate the number of cylinders, given the total
228 * size of the media.
229 * All internal calculations should have 64-bit precision.
230 */
231 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
232 fwcylinders = mediasize / bytespercyl;
233 #if defined(DEBUG)
234 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, "
235 "bpc %jd",
236 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors,
237 (intmax_t)bytespercyl);
238 #endif
239 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
240 struct linux_hd_geometry hdg;
241
242 hdg.cylinders = fwcylinders;
243 hdg.heads = fwheads;
244 hdg.sectors = fwsectors;
245 hdg.start = 0;
246 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
247 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
248 struct linux_hd_big_geometry hdbg;
249
250 hdbg.cylinders = fwcylinders;
251 hdbg.heads = fwheads;
252 hdbg.sectors = fwsectors;
253 hdbg.start = 0;
254 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
255 }
256 return (error);
257 break;
258 default:
259 /* XXX */
260 linux_msg(td,
261 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
262 args->fd, (int)(args->cmd & 0xffff),
263 (int)(args->cmd & 0xff00) >> 8,
264 (int)(args->cmd & 0xff));
265 break;
266 }
267 fdrop(fp, td);
268 return (ENOIOCTL);
269 }
270
271 static int
linux_ioctl_disk(struct thread * td,struct linux_ioctl_args * args)272 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
273 {
274 cap_rights_t rights;
275 struct file *fp;
276 int error;
277 u_int sectorsize;
278 off_t mediasize;
279
280 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
281 if (error != 0)
282 return (error);
283 switch (args->cmd & 0xffff) {
284 case LINUX_BLKGETSIZE:
285 error = fo_ioctl(fp, DIOCGSECTORSIZE,
286 (caddr_t)§orsize, td->td_ucred, td);
287 if (!error)
288 error = fo_ioctl(fp, DIOCGMEDIASIZE,
289 (caddr_t)&mediasize, td->td_ucred, td);
290 fdrop(fp, td);
291 if (error)
292 return (error);
293 sectorsize = mediasize / sectorsize;
294 /*
295 * XXX: How do we know we return the right size of integer ?
296 */
297 return (copyout(§orsize, (void *)args->arg,
298 sizeof(sectorsize)));
299 break;
300 }
301 fdrop(fp, td);
302 return (ENOIOCTL);
303 }
304
305 /*
306 * termio related ioctls
307 */
308
309 struct linux_termio {
310 unsigned short c_iflag;
311 unsigned short c_oflag;
312 unsigned short c_cflag;
313 unsigned short c_lflag;
314 unsigned char c_line;
315 unsigned char c_cc[LINUX_NCC];
316 };
317
318 struct linux_termios {
319 unsigned int c_iflag;
320 unsigned int c_oflag;
321 unsigned int c_cflag;
322 unsigned int c_lflag;
323 unsigned char c_line;
324 unsigned char c_cc[LINUX_NCCS];
325 };
326
327 struct linux_winsize {
328 unsigned short ws_row, ws_col;
329 unsigned short ws_xpixel, ws_ypixel;
330 };
331
332 struct speedtab {
333 int sp_speed; /* Speed. */
334 int sp_code; /* Code. */
335 };
336
337 static struct speedtab sptab[] = {
338 { B0, LINUX_B0 }, { B50, LINUX_B50 },
339 { B75, LINUX_B75 }, { B110, LINUX_B110 },
340 { B134, LINUX_B134 }, { B150, LINUX_B150 },
341 { B200, LINUX_B200 }, { B300, LINUX_B300 },
342 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
343 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
344 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
345 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
346 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
347 {-1, -1 }
348 };
349
350 struct linux_serial_struct {
351 int type;
352 int line;
353 int port;
354 int irq;
355 int flags;
356 int xmit_fifo_size;
357 int custom_divisor;
358 int baud_base;
359 unsigned short close_delay;
360 char reserved_char[2];
361 int hub6;
362 unsigned short closing_wait;
363 unsigned short closing_wait2;
364 int reserved[4];
365 };
366
367 static int
linux_to_bsd_speed(int code,struct speedtab * table)368 linux_to_bsd_speed(int code, struct speedtab *table)
369 {
370 for ( ; table->sp_code != -1; table++)
371 if (table->sp_code == code)
372 return (table->sp_speed);
373 return -1;
374 }
375
376 static int
bsd_to_linux_speed(int speed,struct speedtab * table)377 bsd_to_linux_speed(int speed, struct speedtab *table)
378 {
379 for ( ; table->sp_speed != -1; table++)
380 if (table->sp_speed == speed)
381 return (table->sp_code);
382 return -1;
383 }
384
385 static void
bsd_to_linux_termios(struct termios * bios,struct linux_termios * lios)386 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
387 {
388 int i;
389
390 #ifdef DEBUG
391 if (ldebug(ioctl)) {
392 printf("LINUX: BSD termios structure (input):\n");
393 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
394 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
395 bios->c_ispeed, bios->c_ospeed);
396 printf("c_cc ");
397 for (i=0; i<NCCS; i++)
398 printf("%02x ", bios->c_cc[i]);
399 printf("\n");
400 }
401 #endif
402
403 lios->c_iflag = 0;
404 if (bios->c_iflag & IGNBRK)
405 lios->c_iflag |= LINUX_IGNBRK;
406 if (bios->c_iflag & BRKINT)
407 lios->c_iflag |= LINUX_BRKINT;
408 if (bios->c_iflag & IGNPAR)
409 lios->c_iflag |= LINUX_IGNPAR;
410 if (bios->c_iflag & PARMRK)
411 lios->c_iflag |= LINUX_PARMRK;
412 if (bios->c_iflag & INPCK)
413 lios->c_iflag |= LINUX_INPCK;
414 if (bios->c_iflag & ISTRIP)
415 lios->c_iflag |= LINUX_ISTRIP;
416 if (bios->c_iflag & INLCR)
417 lios->c_iflag |= LINUX_INLCR;
418 if (bios->c_iflag & IGNCR)
419 lios->c_iflag |= LINUX_IGNCR;
420 if (bios->c_iflag & ICRNL)
421 lios->c_iflag |= LINUX_ICRNL;
422 if (bios->c_iflag & IXON)
423 lios->c_iflag |= LINUX_IXON;
424 if (bios->c_iflag & IXANY)
425 lios->c_iflag |= LINUX_IXANY;
426 if (bios->c_iflag & IXOFF)
427 lios->c_iflag |= LINUX_IXOFF;
428 if (bios->c_iflag & IMAXBEL)
429 lios->c_iflag |= LINUX_IMAXBEL;
430
431 lios->c_oflag = 0;
432 if (bios->c_oflag & OPOST)
433 lios->c_oflag |= LINUX_OPOST;
434 if (bios->c_oflag & ONLCR)
435 lios->c_oflag |= LINUX_ONLCR;
436 if (bios->c_oflag & TAB3)
437 lios->c_oflag |= LINUX_XTABS;
438
439 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
440 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
441 if (bios->c_cflag & CSTOPB)
442 lios->c_cflag |= LINUX_CSTOPB;
443 if (bios->c_cflag & CREAD)
444 lios->c_cflag |= LINUX_CREAD;
445 if (bios->c_cflag & PARENB)
446 lios->c_cflag |= LINUX_PARENB;
447 if (bios->c_cflag & PARODD)
448 lios->c_cflag |= LINUX_PARODD;
449 if (bios->c_cflag & HUPCL)
450 lios->c_cflag |= LINUX_HUPCL;
451 if (bios->c_cflag & CLOCAL)
452 lios->c_cflag |= LINUX_CLOCAL;
453 if (bios->c_cflag & CRTSCTS)
454 lios->c_cflag |= LINUX_CRTSCTS;
455
456 lios->c_lflag = 0;
457 if (bios->c_lflag & ISIG)
458 lios->c_lflag |= LINUX_ISIG;
459 if (bios->c_lflag & ICANON)
460 lios->c_lflag |= LINUX_ICANON;
461 if (bios->c_lflag & ECHO)
462 lios->c_lflag |= LINUX_ECHO;
463 if (bios->c_lflag & ECHOE)
464 lios->c_lflag |= LINUX_ECHOE;
465 if (bios->c_lflag & ECHOK)
466 lios->c_lflag |= LINUX_ECHOK;
467 if (bios->c_lflag & ECHONL)
468 lios->c_lflag |= LINUX_ECHONL;
469 if (bios->c_lflag & NOFLSH)
470 lios->c_lflag |= LINUX_NOFLSH;
471 if (bios->c_lflag & TOSTOP)
472 lios->c_lflag |= LINUX_TOSTOP;
473 if (bios->c_lflag & ECHOCTL)
474 lios->c_lflag |= LINUX_ECHOCTL;
475 if (bios->c_lflag & ECHOPRT)
476 lios->c_lflag |= LINUX_ECHOPRT;
477 if (bios->c_lflag & ECHOKE)
478 lios->c_lflag |= LINUX_ECHOKE;
479 if (bios->c_lflag & FLUSHO)
480 lios->c_lflag |= LINUX_FLUSHO;
481 if (bios->c_lflag & PENDIN)
482 lios->c_lflag |= LINUX_PENDIN;
483 if (bios->c_lflag & IEXTEN)
484 lios->c_lflag |= LINUX_IEXTEN;
485
486 for (i=0; i<LINUX_NCCS; i++)
487 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
488 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
489 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
490 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
491 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
492 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
493 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
494 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
495 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
496 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
497 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
498 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
499 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
500 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
501 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
502 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
503 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
504
505 for (i=0; i<LINUX_NCCS; i++) {
506 if (i != LINUX_VMIN && i != LINUX_VTIME &&
507 lios->c_cc[i] == _POSIX_VDISABLE)
508 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
509 }
510 lios->c_line = 0;
511
512 #ifdef DEBUG
513 if (ldebug(ioctl)) {
514 printf("LINUX: LINUX termios structure (output):\n");
515 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
516 lios->c_iflag, lios->c_oflag, lios->c_cflag,
517 lios->c_lflag, (int)lios->c_line);
518 printf("c_cc ");
519 for (i=0; i<LINUX_NCCS; i++)
520 printf("%02x ", lios->c_cc[i]);
521 printf("\n");
522 }
523 #endif
524 }
525
526 static void
linux_to_bsd_termios(struct linux_termios * lios,struct termios * bios)527 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
528 {
529 int i;
530
531 #ifdef DEBUG
532 if (ldebug(ioctl)) {
533 printf("LINUX: LINUX termios structure (input):\n");
534 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
535 lios->c_iflag, lios->c_oflag, lios->c_cflag,
536 lios->c_lflag, (int)lios->c_line);
537 printf("c_cc ");
538 for (i=0; i<LINUX_NCCS; i++)
539 printf("%02x ", lios->c_cc[i]);
540 printf("\n");
541 }
542 #endif
543
544 bios->c_iflag = 0;
545 if (lios->c_iflag & LINUX_IGNBRK)
546 bios->c_iflag |= IGNBRK;
547 if (lios->c_iflag & LINUX_BRKINT)
548 bios->c_iflag |= BRKINT;
549 if (lios->c_iflag & LINUX_IGNPAR)
550 bios->c_iflag |= IGNPAR;
551 if (lios->c_iflag & LINUX_PARMRK)
552 bios->c_iflag |= PARMRK;
553 if (lios->c_iflag & LINUX_INPCK)
554 bios->c_iflag |= INPCK;
555 if (lios->c_iflag & LINUX_ISTRIP)
556 bios->c_iflag |= ISTRIP;
557 if (lios->c_iflag & LINUX_INLCR)
558 bios->c_iflag |= INLCR;
559 if (lios->c_iflag & LINUX_IGNCR)
560 bios->c_iflag |= IGNCR;
561 if (lios->c_iflag & LINUX_ICRNL)
562 bios->c_iflag |= ICRNL;
563 if (lios->c_iflag & LINUX_IXON)
564 bios->c_iflag |= IXON;
565 if (lios->c_iflag & LINUX_IXANY)
566 bios->c_iflag |= IXANY;
567 if (lios->c_iflag & LINUX_IXOFF)
568 bios->c_iflag |= IXOFF;
569 if (lios->c_iflag & LINUX_IMAXBEL)
570 bios->c_iflag |= IMAXBEL;
571
572 bios->c_oflag = 0;
573 if (lios->c_oflag & LINUX_OPOST)
574 bios->c_oflag |= OPOST;
575 if (lios->c_oflag & LINUX_ONLCR)
576 bios->c_oflag |= ONLCR;
577 if (lios->c_oflag & LINUX_XTABS)
578 bios->c_oflag |= TAB3;
579
580 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
581 if (lios->c_cflag & LINUX_CSTOPB)
582 bios->c_cflag |= CSTOPB;
583 if (lios->c_cflag & LINUX_CREAD)
584 bios->c_cflag |= CREAD;
585 if (lios->c_cflag & LINUX_PARENB)
586 bios->c_cflag |= PARENB;
587 if (lios->c_cflag & LINUX_PARODD)
588 bios->c_cflag |= PARODD;
589 if (lios->c_cflag & LINUX_HUPCL)
590 bios->c_cflag |= HUPCL;
591 if (lios->c_cflag & LINUX_CLOCAL)
592 bios->c_cflag |= CLOCAL;
593 if (lios->c_cflag & LINUX_CRTSCTS)
594 bios->c_cflag |= CRTSCTS;
595
596 bios->c_lflag = 0;
597 if (lios->c_lflag & LINUX_ISIG)
598 bios->c_lflag |= ISIG;
599 if (lios->c_lflag & LINUX_ICANON)
600 bios->c_lflag |= ICANON;
601 if (lios->c_lflag & LINUX_ECHO)
602 bios->c_lflag |= ECHO;
603 if (lios->c_lflag & LINUX_ECHOE)
604 bios->c_lflag |= ECHOE;
605 if (lios->c_lflag & LINUX_ECHOK)
606 bios->c_lflag |= ECHOK;
607 if (lios->c_lflag & LINUX_ECHONL)
608 bios->c_lflag |= ECHONL;
609 if (lios->c_lflag & LINUX_NOFLSH)
610 bios->c_lflag |= NOFLSH;
611 if (lios->c_lflag & LINUX_TOSTOP)
612 bios->c_lflag |= TOSTOP;
613 if (lios->c_lflag & LINUX_ECHOCTL)
614 bios->c_lflag |= ECHOCTL;
615 if (lios->c_lflag & LINUX_ECHOPRT)
616 bios->c_lflag |= ECHOPRT;
617 if (lios->c_lflag & LINUX_ECHOKE)
618 bios->c_lflag |= ECHOKE;
619 if (lios->c_lflag & LINUX_FLUSHO)
620 bios->c_lflag |= FLUSHO;
621 if (lios->c_lflag & LINUX_PENDIN)
622 bios->c_lflag |= PENDIN;
623 if (lios->c_lflag & LINUX_IEXTEN)
624 bios->c_lflag |= IEXTEN;
625
626 for (i=0; i<NCCS; i++)
627 bios->c_cc[i] = _POSIX_VDISABLE;
628 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
629 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
630 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
631 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
632 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
633 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
634 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
635 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
636 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
637 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
638 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
639 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
640 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
641 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
642 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
643 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
644
645 for (i=0; i<NCCS; i++) {
646 if (i != VMIN && i != VTIME &&
647 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
648 bios->c_cc[i] = _POSIX_VDISABLE;
649 }
650
651 bios->c_ispeed = bios->c_ospeed =
652 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
653
654 #ifdef DEBUG
655 if (ldebug(ioctl)) {
656 printf("LINUX: BSD termios structure (output):\n");
657 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
658 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
659 bios->c_ispeed, bios->c_ospeed);
660 printf("c_cc ");
661 for (i=0; i<NCCS; i++)
662 printf("%02x ", bios->c_cc[i]);
663 printf("\n");
664 }
665 #endif
666 }
667
668 static void
bsd_to_linux_termio(struct termios * bios,struct linux_termio * lio)669 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
670 {
671 struct linux_termios lios;
672
673 bsd_to_linux_termios(bios, &lios);
674 lio->c_iflag = lios.c_iflag;
675 lio->c_oflag = lios.c_oflag;
676 lio->c_cflag = lios.c_cflag;
677 lio->c_lflag = lios.c_lflag;
678 lio->c_line = lios.c_line;
679 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
680 }
681
682 static void
linux_to_bsd_termio(struct linux_termio * lio,struct termios * bios)683 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
684 {
685 struct linux_termios lios;
686 int i;
687
688 lios.c_iflag = lio->c_iflag;
689 lios.c_oflag = lio->c_oflag;
690 lios.c_cflag = lio->c_cflag;
691 lios.c_lflag = lio->c_lflag;
692 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
693 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
694 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
695 linux_to_bsd_termios(&lios, bios);
696 }
697
698 static int
linux_ioctl_termio(struct thread * td,struct linux_ioctl_args * args)699 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
700 {
701 struct termios bios;
702 struct linux_termios lios;
703 struct linux_termio lio;
704 cap_rights_t rights;
705 struct file *fp;
706 int error;
707
708 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
709 if (error != 0)
710 return (error);
711
712 switch (args->cmd & 0xffff) {
713
714 case LINUX_TCGETS:
715 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
716 td);
717 if (error)
718 break;
719 bsd_to_linux_termios(&bios, &lios);
720 error = copyout(&lios, (void *)args->arg, sizeof(lios));
721 break;
722
723 case LINUX_TCSETS:
724 error = copyin((void *)args->arg, &lios, sizeof(lios));
725 if (error)
726 break;
727 linux_to_bsd_termios(&lios, &bios);
728 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
729 td));
730 break;
731
732 case LINUX_TCSETSW:
733 error = copyin((void *)args->arg, &lios, sizeof(lios));
734 if (error)
735 break;
736 linux_to_bsd_termios(&lios, &bios);
737 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
738 td));
739 break;
740
741 case LINUX_TCSETSF:
742 error = copyin((void *)args->arg, &lios, sizeof(lios));
743 if (error)
744 break;
745 linux_to_bsd_termios(&lios, &bios);
746 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
747 td));
748 break;
749
750 case LINUX_TCGETA:
751 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
752 td);
753 if (error)
754 break;
755 bsd_to_linux_termio(&bios, &lio);
756 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
757 break;
758
759 case LINUX_TCSETA:
760 error = copyin((void *)args->arg, &lio, sizeof(lio));
761 if (error)
762 break;
763 linux_to_bsd_termio(&lio, &bios);
764 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
765 td));
766 break;
767
768 case LINUX_TCSETAW:
769 error = copyin((void *)args->arg, &lio, sizeof(lio));
770 if (error)
771 break;
772 linux_to_bsd_termio(&lio, &bios);
773 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
774 td));
775 break;
776
777 case LINUX_TCSETAF:
778 error = copyin((void *)args->arg, &lio, sizeof(lio));
779 if (error)
780 break;
781 linux_to_bsd_termio(&lio, &bios);
782 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
783 td));
784 break;
785
786 /* LINUX_TCSBRK */
787
788 case LINUX_TCXONC: {
789 switch (args->arg) {
790 case LINUX_TCOOFF:
791 args->cmd = TIOCSTOP;
792 break;
793 case LINUX_TCOON:
794 args->cmd = TIOCSTART;
795 break;
796 case LINUX_TCIOFF:
797 case LINUX_TCION: {
798 int c;
799 struct write_args wr;
800 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
801 td->td_ucred, td);
802 if (error)
803 break;
804 fdrop(fp, td);
805 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
806 c = bios.c_cc[c];
807 if (c != _POSIX_VDISABLE) {
808 wr.fd = args->fd;
809 wr.buf = &c;
810 wr.nbyte = sizeof(c);
811 return (sys_write(td, &wr));
812 } else
813 return (0);
814 }
815 default:
816 fdrop(fp, td);
817 return (EINVAL);
818 }
819 args->arg = 0;
820 error = (sys_ioctl(td, (struct ioctl_args *)args));
821 break;
822 }
823
824 case LINUX_TCFLSH: {
825 int val;
826 switch (args->arg) {
827 case LINUX_TCIFLUSH:
828 val = FREAD;
829 break;
830 case LINUX_TCOFLUSH:
831 val = FWRITE;
832 break;
833 case LINUX_TCIOFLUSH:
834 val = FREAD | FWRITE;
835 break;
836 default:
837 fdrop(fp, td);
838 return (EINVAL);
839 }
840 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
841 break;
842 }
843
844 case LINUX_TIOCEXCL:
845 args->cmd = TIOCEXCL;
846 error = (sys_ioctl(td, (struct ioctl_args *)args));
847 break;
848
849 case LINUX_TIOCNXCL:
850 args->cmd = TIOCNXCL;
851 error = (sys_ioctl(td, (struct ioctl_args *)args));
852 break;
853
854 case LINUX_TIOCSCTTY:
855 args->cmd = TIOCSCTTY;
856 error = (sys_ioctl(td, (struct ioctl_args *)args));
857 break;
858
859 case LINUX_TIOCGPGRP:
860 args->cmd = TIOCGPGRP;
861 error = (sys_ioctl(td, (struct ioctl_args *)args));
862 break;
863
864 case LINUX_TIOCSPGRP:
865 args->cmd = TIOCSPGRP;
866 error = (sys_ioctl(td, (struct ioctl_args *)args));
867 break;
868
869 /* LINUX_TIOCOUTQ */
870 /* LINUX_TIOCSTI */
871
872 case LINUX_TIOCGWINSZ:
873 args->cmd = TIOCGWINSZ;
874 error = (sys_ioctl(td, (struct ioctl_args *)args));
875 break;
876
877 case LINUX_TIOCSWINSZ:
878 args->cmd = TIOCSWINSZ;
879 error = (sys_ioctl(td, (struct ioctl_args *)args));
880 break;
881
882 case LINUX_TIOCMGET:
883 args->cmd = TIOCMGET;
884 error = (sys_ioctl(td, (struct ioctl_args *)args));
885 break;
886
887 case LINUX_TIOCMBIS:
888 args->cmd = TIOCMBIS;
889 error = (sys_ioctl(td, (struct ioctl_args *)args));
890 break;
891
892 case LINUX_TIOCMBIC:
893 args->cmd = TIOCMBIC;
894 error = (sys_ioctl(td, (struct ioctl_args *)args));
895 break;
896
897 case LINUX_TIOCMSET:
898 args->cmd = TIOCMSET;
899 error = (sys_ioctl(td, (struct ioctl_args *)args));
900 break;
901
902 /* TIOCGSOFTCAR */
903 /* TIOCSSOFTCAR */
904
905 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
906 args->cmd = FIONREAD;
907 error = (sys_ioctl(td, (struct ioctl_args *)args));
908 break;
909
910 /* LINUX_TIOCLINUX */
911
912 case LINUX_TIOCCONS:
913 args->cmd = TIOCCONS;
914 error = (sys_ioctl(td, (struct ioctl_args *)args));
915 break;
916
917 case LINUX_TIOCGSERIAL: {
918 struct linux_serial_struct lss;
919 lss.type = LINUX_PORT_16550A;
920 lss.flags = 0;
921 lss.close_delay = 0;
922 error = copyout(&lss, (void *)args->arg, sizeof(lss));
923 break;
924 }
925
926 case LINUX_TIOCSSERIAL: {
927 struct linux_serial_struct lss;
928 error = copyin((void *)args->arg, &lss, sizeof(lss));
929 if (error)
930 break;
931 /* XXX - It really helps to have an implementation that
932 * does nothing. NOT!
933 */
934 error = 0;
935 break;
936 }
937
938 case LINUX_TIOCPKT:
939 args->cmd = TIOCPKT;
940 error = (sys_ioctl(td, (struct ioctl_args *)args));
941 break;
942
943 case LINUX_FIONBIO:
944 args->cmd = FIONBIO;
945 error = (sys_ioctl(td, (struct ioctl_args *)args));
946 break;
947
948 case LINUX_TIOCNOTTY:
949 args->cmd = TIOCNOTTY;
950 error = (sys_ioctl(td, (struct ioctl_args *)args));
951 break;
952
953 case LINUX_TIOCSETD: {
954 int line;
955 switch (args->arg) {
956 case LINUX_N_TTY:
957 line = TTYDISC;
958 break;
959 case LINUX_N_SLIP:
960 line = SLIPDISC;
961 break;
962 case LINUX_N_PPP:
963 line = PPPDISC;
964 break;
965 default:
966 fdrop(fp, td);
967 return (EINVAL);
968 }
969 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
970 td));
971 break;
972 }
973
974 case LINUX_TIOCGETD: {
975 int linux_line;
976 int bsd_line = TTYDISC;
977 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
978 td->td_ucred, td);
979 if (error)
980 return (error);
981 switch (bsd_line) {
982 case TTYDISC:
983 linux_line = LINUX_N_TTY;
984 break;
985 case SLIPDISC:
986 linux_line = LINUX_N_SLIP;
987 break;
988 case PPPDISC:
989 linux_line = LINUX_N_PPP;
990 break;
991 default:
992 fdrop(fp, td);
993 return (EINVAL);
994 }
995 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
996 break;
997 }
998
999 /* LINUX_TCSBRKP */
1000 /* LINUX_TIOCTTYGSTRUCT */
1001
1002 case LINUX_FIONCLEX:
1003 args->cmd = FIONCLEX;
1004 error = (sys_ioctl(td, (struct ioctl_args *)args));
1005 break;
1006
1007 case LINUX_FIOCLEX:
1008 args->cmd = FIOCLEX;
1009 error = (sys_ioctl(td, (struct ioctl_args *)args));
1010 break;
1011
1012 case LINUX_FIOASYNC:
1013 args->cmd = FIOASYNC;
1014 error = (sys_ioctl(td, (struct ioctl_args *)args));
1015 break;
1016
1017 /* LINUX_TIOCSERCONFIG */
1018 /* LINUX_TIOCSERGWILD */
1019 /* LINUX_TIOCSERSWILD */
1020 /* LINUX_TIOCGLCKTRMIOS */
1021 /* LINUX_TIOCSLCKTRMIOS */
1022
1023 case LINUX_TIOCSBRK:
1024 args->cmd = TIOCSBRK;
1025 error = (sys_ioctl(td, (struct ioctl_args *)args));
1026 break;
1027
1028 case LINUX_TIOCCBRK:
1029 args->cmd = TIOCCBRK;
1030 error = (sys_ioctl(td, (struct ioctl_args *)args));
1031 break;
1032 case LINUX_TIOCGPTN: {
1033 int nb;
1034
1035 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1036 if (!error)
1037 error = copyout(&nb, (void *)args->arg,
1038 sizeof(int));
1039 break;
1040 }
1041 case LINUX_TIOCSPTLCK:
1042 /* Our unlockpt() does nothing. */
1043 error = 0;
1044 break;
1045 default:
1046 error = ENOIOCTL;
1047 break;
1048 }
1049
1050 fdrop(fp, td);
1051 return (error);
1052 }
1053
1054 /*
1055 * CDROM related ioctls
1056 */
1057
1058 struct linux_cdrom_msf
1059 {
1060 u_char cdmsf_min0;
1061 u_char cdmsf_sec0;
1062 u_char cdmsf_frame0;
1063 u_char cdmsf_min1;
1064 u_char cdmsf_sec1;
1065 u_char cdmsf_frame1;
1066 };
1067
1068 struct linux_cdrom_tochdr
1069 {
1070 u_char cdth_trk0;
1071 u_char cdth_trk1;
1072 };
1073
1074 union linux_cdrom_addr
1075 {
1076 struct {
1077 u_char minute;
1078 u_char second;
1079 u_char frame;
1080 } msf;
1081 int lba;
1082 };
1083
1084 struct linux_cdrom_tocentry
1085 {
1086 u_char cdte_track;
1087 u_char cdte_adr:4;
1088 u_char cdte_ctrl:4;
1089 u_char cdte_format;
1090 union linux_cdrom_addr cdte_addr;
1091 u_char cdte_datamode;
1092 };
1093
1094 struct linux_cdrom_subchnl
1095 {
1096 u_char cdsc_format;
1097 u_char cdsc_audiostatus;
1098 u_char cdsc_adr:4;
1099 u_char cdsc_ctrl:4;
1100 u_char cdsc_trk;
1101 u_char cdsc_ind;
1102 union linux_cdrom_addr cdsc_absaddr;
1103 union linux_cdrom_addr cdsc_reladdr;
1104 };
1105
1106 struct l_cdrom_read_audio {
1107 union linux_cdrom_addr addr;
1108 u_char addr_format;
1109 l_int nframes;
1110 u_char *buf;
1111 };
1112
1113 struct l_dvd_layer {
1114 u_char book_version:4;
1115 u_char book_type:4;
1116 u_char min_rate:4;
1117 u_char disc_size:4;
1118 u_char layer_type:4;
1119 u_char track_path:1;
1120 u_char nlayers:2;
1121 u_char track_density:4;
1122 u_char linear_density:4;
1123 u_char bca:1;
1124 u_int32_t start_sector;
1125 u_int32_t end_sector;
1126 u_int32_t end_sector_l0;
1127 };
1128
1129 struct l_dvd_physical {
1130 u_char type;
1131 u_char layer_num;
1132 struct l_dvd_layer layer[4];
1133 };
1134
1135 struct l_dvd_copyright {
1136 u_char type;
1137 u_char layer_num;
1138 u_char cpst;
1139 u_char rmi;
1140 };
1141
1142 struct l_dvd_disckey {
1143 u_char type;
1144 l_uint agid:2;
1145 u_char value[2048];
1146 };
1147
1148 struct l_dvd_bca {
1149 u_char type;
1150 l_int len;
1151 u_char value[188];
1152 };
1153
1154 struct l_dvd_manufact {
1155 u_char type;
1156 u_char layer_num;
1157 l_int len;
1158 u_char value[2048];
1159 };
1160
1161 typedef union {
1162 u_char type;
1163 struct l_dvd_physical physical;
1164 struct l_dvd_copyright copyright;
1165 struct l_dvd_disckey disckey;
1166 struct l_dvd_bca bca;
1167 struct l_dvd_manufact manufact;
1168 } l_dvd_struct;
1169
1170 typedef u_char l_dvd_key[5];
1171 typedef u_char l_dvd_challenge[10];
1172
1173 struct l_dvd_lu_send_agid {
1174 u_char type;
1175 l_uint agid:2;
1176 };
1177
1178 struct l_dvd_host_send_challenge {
1179 u_char type;
1180 l_uint agid:2;
1181 l_dvd_challenge chal;
1182 };
1183
1184 struct l_dvd_send_key {
1185 u_char type;
1186 l_uint agid:2;
1187 l_dvd_key key;
1188 };
1189
1190 struct l_dvd_lu_send_challenge {
1191 u_char type;
1192 l_uint agid:2;
1193 l_dvd_challenge chal;
1194 };
1195
1196 struct l_dvd_lu_send_title_key {
1197 u_char type;
1198 l_uint agid:2;
1199 l_dvd_key title_key;
1200 l_int lba;
1201 l_uint cpm:1;
1202 l_uint cp_sec:1;
1203 l_uint cgms:2;
1204 };
1205
1206 struct l_dvd_lu_send_asf {
1207 u_char type;
1208 l_uint agid:2;
1209 l_uint asf:1;
1210 };
1211
1212 struct l_dvd_host_send_rpcstate {
1213 u_char type;
1214 u_char pdrc;
1215 };
1216
1217 struct l_dvd_lu_send_rpcstate {
1218 u_char type:2;
1219 u_char vra:3;
1220 u_char ucca:3;
1221 u_char region_mask;
1222 u_char rpc_scheme;
1223 };
1224
1225 typedef union {
1226 u_char type;
1227 struct l_dvd_lu_send_agid lsa;
1228 struct l_dvd_host_send_challenge hsc;
1229 struct l_dvd_send_key lsk;
1230 struct l_dvd_lu_send_challenge lsc;
1231 struct l_dvd_send_key hsk;
1232 struct l_dvd_lu_send_title_key lstk;
1233 struct l_dvd_lu_send_asf lsasf;
1234 struct l_dvd_host_send_rpcstate hrpcs;
1235 struct l_dvd_lu_send_rpcstate lrpcs;
1236 } l_dvd_authinfo;
1237
1238 static void
bsd_to_linux_msf_lba(u_char af,union msf_lba * bp,union linux_cdrom_addr * lp)1239 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1240 {
1241 if (af == CD_LBA_FORMAT)
1242 lp->lba = bp->lba;
1243 else {
1244 lp->msf.minute = bp->msf.minute;
1245 lp->msf.second = bp->msf.second;
1246 lp->msf.frame = bp->msf.frame;
1247 }
1248 }
1249
1250 static void
set_linux_cdrom_addr(union linux_cdrom_addr * addr,int format,int lba)1251 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1252 {
1253 if (format == LINUX_CDROM_MSF) {
1254 addr->msf.frame = lba % 75;
1255 lba /= 75;
1256 lba += 2;
1257 addr->msf.second = lba % 60;
1258 addr->msf.minute = lba / 60;
1259 } else
1260 addr->lba = lba;
1261 }
1262
1263 static int
linux_to_bsd_dvd_struct(l_dvd_struct * lp,struct dvd_struct * bp)1264 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1265 {
1266 bp->format = lp->type;
1267 switch (bp->format) {
1268 case DVD_STRUCT_PHYSICAL:
1269 if (bp->layer_num >= 4)
1270 return (EINVAL);
1271 bp->layer_num = lp->physical.layer_num;
1272 break;
1273 case DVD_STRUCT_COPYRIGHT:
1274 bp->layer_num = lp->copyright.layer_num;
1275 break;
1276 case DVD_STRUCT_DISCKEY:
1277 bp->agid = lp->disckey.agid;
1278 break;
1279 case DVD_STRUCT_BCA:
1280 case DVD_STRUCT_MANUFACT:
1281 break;
1282 default:
1283 return (EINVAL);
1284 }
1285 return (0);
1286 }
1287
1288 static int
bsd_to_linux_dvd_struct(struct dvd_struct * bp,l_dvd_struct * lp)1289 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1290 {
1291 switch (bp->format) {
1292 case DVD_STRUCT_PHYSICAL: {
1293 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1294 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1295 memset(llp, 0, sizeof(*llp));
1296 llp->book_version = blp->book_version;
1297 llp->book_type = blp->book_type;
1298 llp->min_rate = blp->max_rate;
1299 llp->disc_size = blp->disc_size;
1300 llp->layer_type = blp->layer_type;
1301 llp->track_path = blp->track_path;
1302 llp->nlayers = blp->nlayers;
1303 llp->track_density = blp->track_density;
1304 llp->linear_density = blp->linear_density;
1305 llp->bca = blp->bca;
1306 llp->start_sector = blp->start_sector;
1307 llp->end_sector = blp->end_sector;
1308 llp->end_sector_l0 = blp->end_sector_l0;
1309 break;
1310 }
1311 case DVD_STRUCT_COPYRIGHT:
1312 lp->copyright.cpst = bp->cpst;
1313 lp->copyright.rmi = bp->rmi;
1314 break;
1315 case DVD_STRUCT_DISCKEY:
1316 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1317 break;
1318 case DVD_STRUCT_BCA:
1319 lp->bca.len = bp->length;
1320 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1321 break;
1322 case DVD_STRUCT_MANUFACT:
1323 lp->manufact.len = bp->length;
1324 memcpy(lp->manufact.value, bp->data,
1325 sizeof(lp->manufact.value));
1326 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */
1327 break;
1328 default:
1329 return (EINVAL);
1330 }
1331 return (0);
1332 }
1333
1334 static int
linux_to_bsd_dvd_authinfo(l_dvd_authinfo * lp,int * bcode,struct dvd_authinfo * bp)1335 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1336 struct dvd_authinfo *bp)
1337 {
1338 switch (lp->type) {
1339 case LINUX_DVD_LU_SEND_AGID:
1340 *bcode = DVDIOCREPORTKEY;
1341 bp->format = DVD_REPORT_AGID;
1342 bp->agid = lp->lsa.agid;
1343 break;
1344 case LINUX_DVD_HOST_SEND_CHALLENGE:
1345 *bcode = DVDIOCSENDKEY;
1346 bp->format = DVD_SEND_CHALLENGE;
1347 bp->agid = lp->hsc.agid;
1348 memcpy(bp->keychal, lp->hsc.chal, 10);
1349 break;
1350 case LINUX_DVD_LU_SEND_KEY1:
1351 *bcode = DVDIOCREPORTKEY;
1352 bp->format = DVD_REPORT_KEY1;
1353 bp->agid = lp->lsk.agid;
1354 break;
1355 case LINUX_DVD_LU_SEND_CHALLENGE:
1356 *bcode = DVDIOCREPORTKEY;
1357 bp->format = DVD_REPORT_CHALLENGE;
1358 bp->agid = lp->lsc.agid;
1359 break;
1360 case LINUX_DVD_HOST_SEND_KEY2:
1361 *bcode = DVDIOCSENDKEY;
1362 bp->format = DVD_SEND_KEY2;
1363 bp->agid = lp->hsk.agid;
1364 memcpy(bp->keychal, lp->hsk.key, 5);
1365 break;
1366 case LINUX_DVD_LU_SEND_TITLE_KEY:
1367 *bcode = DVDIOCREPORTKEY;
1368 bp->format = DVD_REPORT_TITLE_KEY;
1369 bp->agid = lp->lstk.agid;
1370 bp->lba = lp->lstk.lba;
1371 break;
1372 case LINUX_DVD_LU_SEND_ASF:
1373 *bcode = DVDIOCREPORTKEY;
1374 bp->format = DVD_REPORT_ASF;
1375 bp->agid = lp->lsasf.agid;
1376 break;
1377 case LINUX_DVD_INVALIDATE_AGID:
1378 *bcode = DVDIOCREPORTKEY;
1379 bp->format = DVD_INVALIDATE_AGID;
1380 bp->agid = lp->lsa.agid;
1381 break;
1382 case LINUX_DVD_LU_SEND_RPC_STATE:
1383 *bcode = DVDIOCREPORTKEY;
1384 bp->format = DVD_REPORT_RPC;
1385 break;
1386 case LINUX_DVD_HOST_SEND_RPC_STATE:
1387 *bcode = DVDIOCSENDKEY;
1388 bp->format = DVD_SEND_RPC;
1389 bp->region = lp->hrpcs.pdrc;
1390 break;
1391 default:
1392 return (EINVAL);
1393 }
1394 return (0);
1395 }
1396
1397 static int
bsd_to_linux_dvd_authinfo(struct dvd_authinfo * bp,l_dvd_authinfo * lp)1398 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1399 {
1400 switch (lp->type) {
1401 case LINUX_DVD_LU_SEND_AGID:
1402 lp->lsa.agid = bp->agid;
1403 break;
1404 case LINUX_DVD_HOST_SEND_CHALLENGE:
1405 lp->type = LINUX_DVD_LU_SEND_KEY1;
1406 break;
1407 case LINUX_DVD_LU_SEND_KEY1:
1408 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1409 break;
1410 case LINUX_DVD_LU_SEND_CHALLENGE:
1411 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1412 break;
1413 case LINUX_DVD_HOST_SEND_KEY2:
1414 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1415 break;
1416 case LINUX_DVD_LU_SEND_TITLE_KEY:
1417 memcpy(lp->lstk.title_key, bp->keychal,
1418 sizeof(lp->lstk.title_key));
1419 lp->lstk.cpm = bp->cpm;
1420 lp->lstk.cp_sec = bp->cp_sec;
1421 lp->lstk.cgms = bp->cgms;
1422 break;
1423 case LINUX_DVD_LU_SEND_ASF:
1424 lp->lsasf.asf = bp->asf;
1425 break;
1426 case LINUX_DVD_INVALIDATE_AGID:
1427 break;
1428 case LINUX_DVD_LU_SEND_RPC_STATE:
1429 lp->lrpcs.type = bp->reg_type;
1430 lp->lrpcs.vra = bp->vend_rsts;
1431 lp->lrpcs.ucca = bp->user_rsts;
1432 lp->lrpcs.region_mask = bp->region;
1433 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1434 break;
1435 case LINUX_DVD_HOST_SEND_RPC_STATE:
1436 break;
1437 default:
1438 return (EINVAL);
1439 }
1440 return (0);
1441 }
1442
1443 static int
linux_ioctl_cdrom(struct thread * td,struct linux_ioctl_args * args)1444 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1445 {
1446 cap_rights_t rights;
1447 struct file *fp;
1448 int error;
1449
1450 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
1451 if (error != 0)
1452 return (error);
1453 switch (args->cmd & 0xffff) {
1454
1455 case LINUX_CDROMPAUSE:
1456 args->cmd = CDIOCPAUSE;
1457 error = (sys_ioctl(td, (struct ioctl_args *)args));
1458 break;
1459
1460 case LINUX_CDROMRESUME:
1461 args->cmd = CDIOCRESUME;
1462 error = (sys_ioctl(td, (struct ioctl_args *)args));
1463 break;
1464
1465 case LINUX_CDROMPLAYMSF:
1466 args->cmd = CDIOCPLAYMSF;
1467 error = (sys_ioctl(td, (struct ioctl_args *)args));
1468 break;
1469
1470 case LINUX_CDROMPLAYTRKIND:
1471 args->cmd = CDIOCPLAYTRACKS;
1472 error = (sys_ioctl(td, (struct ioctl_args *)args));
1473 break;
1474
1475 case LINUX_CDROMREADTOCHDR: {
1476 struct ioc_toc_header th;
1477 struct linux_cdrom_tochdr lth;
1478 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1479 td->td_ucred, td);
1480 if (!error) {
1481 lth.cdth_trk0 = th.starting_track;
1482 lth.cdth_trk1 = th.ending_track;
1483 copyout(<h, (void *)args->arg, sizeof(lth));
1484 }
1485 break;
1486 }
1487
1488 case LINUX_CDROMREADTOCENTRY: {
1489 struct linux_cdrom_tocentry lte;
1490 struct ioc_read_toc_single_entry irtse;
1491
1492 error = copyin((void *)args->arg, <e, sizeof(lte));
1493 if (error)
1494 break;
1495 irtse.address_format = lte.cdte_format;
1496 irtse.track = lte.cdte_track;
1497 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1498 td->td_ucred, td);
1499 if (!error) {
1500 lte.cdte_ctrl = irtse.entry.control;
1501 lte.cdte_adr = irtse.entry.addr_type;
1502 bsd_to_linux_msf_lba(irtse.address_format,
1503 &irtse.entry.addr, <e.cdte_addr);
1504 error = copyout(<e, (void *)args->arg, sizeof(lte));
1505 }
1506 break;
1507 }
1508
1509 case LINUX_CDROMSTOP:
1510 args->cmd = CDIOCSTOP;
1511 error = (sys_ioctl(td, (struct ioctl_args *)args));
1512 break;
1513
1514 case LINUX_CDROMSTART:
1515 args->cmd = CDIOCSTART;
1516 error = (sys_ioctl(td, (struct ioctl_args *)args));
1517 break;
1518
1519 case LINUX_CDROMEJECT:
1520 args->cmd = CDIOCEJECT;
1521 error = (sys_ioctl(td, (struct ioctl_args *)args));
1522 break;
1523
1524 /* LINUX_CDROMVOLCTRL */
1525
1526 case LINUX_CDROMSUBCHNL: {
1527 struct linux_cdrom_subchnl sc;
1528 struct ioc_read_subchannel bsdsc;
1529 struct cd_sub_channel_info bsdinfo;
1530
1531 bsdsc.address_format = CD_LBA_FORMAT;
1532 bsdsc.data_format = CD_CURRENT_POSITION;
1533 bsdsc.track = 0;
1534 bsdsc.data_len = sizeof(bsdinfo);
1535 bsdsc.data = &bsdinfo;
1536 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE,
1537 (caddr_t)&bsdsc, td->td_ucred, td);
1538 if (error)
1539 break;
1540 error = copyin((void *)args->arg, &sc, sizeof(sc));
1541 if (error)
1542 break;
1543 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1544 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1545 sc.cdsc_ctrl = bsdinfo.what.position.control;
1546 sc.cdsc_trk = bsdinfo.what.position.track_number;
1547 sc.cdsc_ind = bsdinfo.what.position.index_number;
1548 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1549 bsdinfo.what.position.absaddr.lba);
1550 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1551 bsdinfo.what.position.reladdr.lba);
1552 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1553 break;
1554 }
1555
1556 /* LINUX_CDROMREADMODE2 */
1557 /* LINUX_CDROMREADMODE1 */
1558 /* LINUX_CDROMREADAUDIO */
1559 /* LINUX_CDROMEJECT_SW */
1560 /* LINUX_CDROMMULTISESSION */
1561 /* LINUX_CDROM_GET_UPC */
1562
1563 case LINUX_CDROMRESET:
1564 args->cmd = CDIOCRESET;
1565 error = (sys_ioctl(td, (struct ioctl_args *)args));
1566 break;
1567
1568 /* LINUX_CDROMVOLREAD */
1569 /* LINUX_CDROMREADRAW */
1570 /* LINUX_CDROMREADCOOKED */
1571 /* LINUX_CDROMSEEK */
1572 /* LINUX_CDROMPLAYBLK */
1573 /* LINUX_CDROMREADALL */
1574 /* LINUX_CDROMCLOSETRAY */
1575 /* LINUX_CDROMLOADFROMSLOT */
1576 /* LINUX_CDROMGETSPINDOWN */
1577 /* LINUX_CDROMSETSPINDOWN */
1578 /* LINUX_CDROM_SET_OPTIONS */
1579 /* LINUX_CDROM_CLEAR_OPTIONS */
1580 /* LINUX_CDROM_SELECT_SPEED */
1581 /* LINUX_CDROM_SELECT_DISC */
1582 /* LINUX_CDROM_MEDIA_CHANGED */
1583 /* LINUX_CDROM_DRIVE_STATUS */
1584 /* LINUX_CDROM_DISC_STATUS */
1585 /* LINUX_CDROM_CHANGER_NSLOTS */
1586 /* LINUX_CDROM_LOCKDOOR */
1587 /* LINUX_CDROM_DEBUG */
1588 /* LINUX_CDROM_GET_CAPABILITY */
1589 /* LINUX_CDROMAUDIOBUFSIZ */
1590
1591 case LINUX_DVD_READ_STRUCT: {
1592 l_dvd_struct *lds;
1593 struct dvd_struct *bds;
1594
1595 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1596 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1597 error = copyin((void *)args->arg, lds, sizeof(*lds));
1598 if (error)
1599 goto out;
1600 error = linux_to_bsd_dvd_struct(lds, bds);
1601 if (error)
1602 goto out;
1603 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1604 td->td_ucred, td);
1605 if (error)
1606 goto out;
1607 error = bsd_to_linux_dvd_struct(bds, lds);
1608 if (error)
1609 goto out;
1610 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1611 out:
1612 free(bds, M_LINUX);
1613 free(lds, M_LINUX);
1614 break;
1615 }
1616
1617 /* LINUX_DVD_WRITE_STRUCT */
1618
1619 case LINUX_DVD_AUTH: {
1620 l_dvd_authinfo lda;
1621 struct dvd_authinfo bda;
1622 int bcode;
1623
1624 error = copyin((void *)args->arg, &lda, sizeof(lda));
1625 if (error)
1626 break;
1627 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1628 if (error)
1629 break;
1630 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1631 td);
1632 if (error) {
1633 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1634 lda.type = LINUX_DVD_AUTH_FAILURE;
1635 copyout(&lda, (void *)args->arg, sizeof(lda));
1636 }
1637 break;
1638 }
1639 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1640 if (error)
1641 break;
1642 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1643 break;
1644 }
1645
1646 case LINUX_SCSI_GET_BUS_NUMBER:
1647 {
1648 struct sg_scsi_id id;
1649
1650 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1651 td->td_ucred, td);
1652 if (error)
1653 break;
1654 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1655 break;
1656 }
1657
1658 case LINUX_SCSI_GET_IDLUN:
1659 {
1660 struct sg_scsi_id id;
1661 struct scsi_idlun idl;
1662
1663 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1664 td->td_ucred, td);
1665 if (error)
1666 break;
1667 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1668 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1669 idl.host_unique_id = id.host_no;
1670 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1671 break;
1672 }
1673
1674 /* LINUX_CDROM_SEND_PACKET */
1675 /* LINUX_CDROM_NEXT_WRITABLE */
1676 /* LINUX_CDROM_LAST_WRITTEN */
1677
1678 default:
1679 error = ENOIOCTL;
1680 break;
1681 }
1682
1683 fdrop(fp, td);
1684 return (error);
1685 }
1686
1687 static int
linux_ioctl_vfat(struct thread * td,struct linux_ioctl_args * args)1688 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1689 {
1690
1691 return (ENOTTY);
1692 }
1693
1694 /*
1695 * Sound related ioctls
1696 */
1697
1698 struct linux_old_mixer_info {
1699 char id[16];
1700 char name[32];
1701 };
1702
1703 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1704
1705 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1706
1707 static int
linux_ioctl_sound(struct thread * td,struct linux_ioctl_args * args)1708 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1709 {
1710
1711 switch (args->cmd & 0xffff) {
1712
1713 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1714 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1715 return (sys_ioctl(td, (struct ioctl_args *)args));
1716
1717 case LINUX_SOUND_MIXER_WRITE_BASS:
1718 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1719 return (sys_ioctl(td, (struct ioctl_args *)args));
1720
1721 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1722 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1723 return (sys_ioctl(td, (struct ioctl_args *)args));
1724
1725 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1726 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1727 return (sys_ioctl(td, (struct ioctl_args *)args));
1728
1729 case LINUX_SOUND_MIXER_WRITE_PCM:
1730 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1731 return (sys_ioctl(td, (struct ioctl_args *)args));
1732
1733 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1734 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1735 return (sys_ioctl(td, (struct ioctl_args *)args));
1736
1737 case LINUX_SOUND_MIXER_WRITE_LINE:
1738 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1739 return (sys_ioctl(td, (struct ioctl_args *)args));
1740
1741 case LINUX_SOUND_MIXER_WRITE_MIC:
1742 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1743 return (sys_ioctl(td, (struct ioctl_args *)args));
1744
1745 case LINUX_SOUND_MIXER_WRITE_CD:
1746 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1747 return (sys_ioctl(td, (struct ioctl_args *)args));
1748
1749 case LINUX_SOUND_MIXER_WRITE_IMIX:
1750 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1751 return (sys_ioctl(td, (struct ioctl_args *)args));
1752
1753 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1754 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1755 return (sys_ioctl(td, (struct ioctl_args *)args));
1756
1757 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1758 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1759 return (sys_ioctl(td, (struct ioctl_args *)args));
1760
1761 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1762 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1763 return (sys_ioctl(td, (struct ioctl_args *)args));
1764
1765 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1766 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1767 return (sys_ioctl(td, (struct ioctl_args *)args));
1768
1769 case LINUX_SOUND_MIXER_WRITE_LINE1:
1770 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1771 return (sys_ioctl(td, (struct ioctl_args *)args));
1772
1773 case LINUX_SOUND_MIXER_WRITE_LINE2:
1774 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1775 return (sys_ioctl(td, (struct ioctl_args *)args));
1776
1777 case LINUX_SOUND_MIXER_WRITE_LINE3:
1778 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1779 return (sys_ioctl(td, (struct ioctl_args *)args));
1780
1781 case LINUX_SOUND_MIXER_INFO: {
1782 /* Key on encoded length */
1783 switch ((args->cmd >> 16) & 0x1fff) {
1784 case 0x005c: { /* SOUND_MIXER_INFO */
1785 args->cmd = SOUND_MIXER_INFO;
1786 return (sys_ioctl(td, (struct ioctl_args *)args));
1787 }
1788 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1789 struct linux_old_mixer_info info;
1790 bzero(&info, sizeof(info));
1791 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1792 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1793 copyout(&info, (void *)args->arg, sizeof(info));
1794 return (0);
1795 }
1796 default:
1797 return (ENOIOCTL);
1798 }
1799 break;
1800 }
1801
1802 case LINUX_OSS_GETVERSION: {
1803 int version = linux_get_oss_version(td);
1804 return (copyout(&version, (void *)args->arg, sizeof(int)));
1805 }
1806
1807 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1808 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1809 return (sys_ioctl(td, (struct ioctl_args *)args));
1810
1811 case LINUX_SOUND_MIXER_READ_CAPS:
1812 args->cmd = SOUND_MIXER_READ_CAPS;
1813 return (sys_ioctl(td, (struct ioctl_args *)args));
1814
1815 case LINUX_SOUND_MIXER_READ_RECMASK:
1816 args->cmd = SOUND_MIXER_READ_RECMASK;
1817 return (sys_ioctl(td, (struct ioctl_args *)args));
1818
1819 case LINUX_SOUND_MIXER_READ_DEVMASK:
1820 args->cmd = SOUND_MIXER_READ_DEVMASK;
1821 return (sys_ioctl(td, (struct ioctl_args *)args));
1822
1823 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1824 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1825 return (sys_ioctl(td, (struct ioctl_args *)args));
1826
1827 case LINUX_SNDCTL_DSP_RESET:
1828 args->cmd = SNDCTL_DSP_RESET;
1829 return (sys_ioctl(td, (struct ioctl_args *)args));
1830
1831 case LINUX_SNDCTL_DSP_SYNC:
1832 args->cmd = SNDCTL_DSP_SYNC;
1833 return (sys_ioctl(td, (struct ioctl_args *)args));
1834
1835 case LINUX_SNDCTL_DSP_SPEED:
1836 args->cmd = SNDCTL_DSP_SPEED;
1837 return (sys_ioctl(td, (struct ioctl_args *)args));
1838
1839 case LINUX_SNDCTL_DSP_STEREO:
1840 args->cmd = SNDCTL_DSP_STEREO;
1841 return (sys_ioctl(td, (struct ioctl_args *)args));
1842
1843 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1844 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1845 return (sys_ioctl(td, (struct ioctl_args *)args));
1846
1847 case LINUX_SNDCTL_DSP_SETFMT:
1848 args->cmd = SNDCTL_DSP_SETFMT;
1849 return (sys_ioctl(td, (struct ioctl_args *)args));
1850
1851 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1852 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1853 return (sys_ioctl(td, (struct ioctl_args *)args));
1854
1855 case LINUX_SOUND_PCM_WRITE_FILTER:
1856 args->cmd = SOUND_PCM_WRITE_FILTER;
1857 return (sys_ioctl(td, (struct ioctl_args *)args));
1858
1859 case LINUX_SNDCTL_DSP_POST:
1860 args->cmd = SNDCTL_DSP_POST;
1861 return (sys_ioctl(td, (struct ioctl_args *)args));
1862
1863 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1864 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1865 return (sys_ioctl(td, (struct ioctl_args *)args));
1866
1867 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1868 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1869 return (sys_ioctl(td, (struct ioctl_args *)args));
1870
1871 case LINUX_SNDCTL_DSP_GETFMTS:
1872 args->cmd = SNDCTL_DSP_GETFMTS;
1873 return (sys_ioctl(td, (struct ioctl_args *)args));
1874
1875 case LINUX_SNDCTL_DSP_GETOSPACE:
1876 args->cmd = SNDCTL_DSP_GETOSPACE;
1877 return (sys_ioctl(td, (struct ioctl_args *)args));
1878
1879 case LINUX_SNDCTL_DSP_GETISPACE:
1880 args->cmd = SNDCTL_DSP_GETISPACE;
1881 return (sys_ioctl(td, (struct ioctl_args *)args));
1882
1883 case LINUX_SNDCTL_DSP_NONBLOCK:
1884 args->cmd = SNDCTL_DSP_NONBLOCK;
1885 return (sys_ioctl(td, (struct ioctl_args *)args));
1886
1887 case LINUX_SNDCTL_DSP_GETCAPS:
1888 args->cmd = SNDCTL_DSP_GETCAPS;
1889 return (sys_ioctl(td, (struct ioctl_args *)args));
1890
1891 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1892 args->cmd = SNDCTL_DSP_SETTRIGGER;
1893 return (sys_ioctl(td, (struct ioctl_args *)args));
1894
1895 case LINUX_SNDCTL_DSP_GETIPTR:
1896 args->cmd = SNDCTL_DSP_GETIPTR;
1897 return (sys_ioctl(td, (struct ioctl_args *)args));
1898
1899 case LINUX_SNDCTL_DSP_GETOPTR:
1900 args->cmd = SNDCTL_DSP_GETOPTR;
1901 return (sys_ioctl(td, (struct ioctl_args *)args));
1902
1903 case LINUX_SNDCTL_DSP_SETDUPLEX:
1904 args->cmd = SNDCTL_DSP_SETDUPLEX;
1905 return (sys_ioctl(td, (struct ioctl_args *)args));
1906
1907 case LINUX_SNDCTL_DSP_GETODELAY:
1908 args->cmd = SNDCTL_DSP_GETODELAY;
1909 return (sys_ioctl(td, (struct ioctl_args *)args));
1910
1911 case LINUX_SNDCTL_SEQ_RESET:
1912 args->cmd = SNDCTL_SEQ_RESET;
1913 return (sys_ioctl(td, (struct ioctl_args *)args));
1914
1915 case LINUX_SNDCTL_SEQ_SYNC:
1916 args->cmd = SNDCTL_SEQ_SYNC;
1917 return (sys_ioctl(td, (struct ioctl_args *)args));
1918
1919 case LINUX_SNDCTL_SYNTH_INFO:
1920 args->cmd = SNDCTL_SYNTH_INFO;
1921 return (sys_ioctl(td, (struct ioctl_args *)args));
1922
1923 case LINUX_SNDCTL_SEQ_CTRLRATE:
1924 args->cmd = SNDCTL_SEQ_CTRLRATE;
1925 return (sys_ioctl(td, (struct ioctl_args *)args));
1926
1927 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1928 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1929 return (sys_ioctl(td, (struct ioctl_args *)args));
1930
1931 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1932 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1933 return (sys_ioctl(td, (struct ioctl_args *)args));
1934
1935 case LINUX_SNDCTL_SEQ_PERCMODE:
1936 args->cmd = SNDCTL_SEQ_PERCMODE;
1937 return (sys_ioctl(td, (struct ioctl_args *)args));
1938
1939 case LINUX_SNDCTL_FM_LOAD_INSTR:
1940 args->cmd = SNDCTL_FM_LOAD_INSTR;
1941 return (sys_ioctl(td, (struct ioctl_args *)args));
1942
1943 case LINUX_SNDCTL_SEQ_TESTMIDI:
1944 args->cmd = SNDCTL_SEQ_TESTMIDI;
1945 return (sys_ioctl(td, (struct ioctl_args *)args));
1946
1947 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1948 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1949 return (sys_ioctl(td, (struct ioctl_args *)args));
1950
1951 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1952 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1953 return (sys_ioctl(td, (struct ioctl_args *)args));
1954
1955 case LINUX_SNDCTL_SEQ_NRMIDIS:
1956 args->cmd = SNDCTL_SEQ_NRMIDIS;
1957 return (sys_ioctl(td, (struct ioctl_args *)args));
1958
1959 case LINUX_SNDCTL_MIDI_INFO:
1960 args->cmd = SNDCTL_MIDI_INFO;
1961 return (sys_ioctl(td, (struct ioctl_args *)args));
1962
1963 case LINUX_SNDCTL_SEQ_TRESHOLD:
1964 args->cmd = SNDCTL_SEQ_TRESHOLD;
1965 return (sys_ioctl(td, (struct ioctl_args *)args));
1966
1967 case LINUX_SNDCTL_SYNTH_MEMAVL:
1968 args->cmd = SNDCTL_SYNTH_MEMAVL;
1969 return (sys_ioctl(td, (struct ioctl_args *)args));
1970
1971 }
1972
1973 return (ENOIOCTL);
1974 }
1975
1976 /*
1977 * Console related ioctls
1978 */
1979
1980 static int
linux_ioctl_console(struct thread * td,struct linux_ioctl_args * args)1981 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1982 {
1983 cap_rights_t rights;
1984 struct file *fp;
1985 int error;
1986
1987 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
1988 if (error != 0)
1989 return (error);
1990 switch (args->cmd & 0xffff) {
1991
1992 case LINUX_KIOCSOUND:
1993 args->cmd = KIOCSOUND;
1994 error = (sys_ioctl(td, (struct ioctl_args *)args));
1995 break;
1996
1997 case LINUX_KDMKTONE:
1998 args->cmd = KDMKTONE;
1999 error = (sys_ioctl(td, (struct ioctl_args *)args));
2000 break;
2001
2002 case LINUX_KDGETLED:
2003 args->cmd = KDGETLED;
2004 error = (sys_ioctl(td, (struct ioctl_args *)args));
2005 break;
2006
2007 case LINUX_KDSETLED:
2008 args->cmd = KDSETLED;
2009 error = (sys_ioctl(td, (struct ioctl_args *)args));
2010 break;
2011
2012 case LINUX_KDSETMODE:
2013 args->cmd = KDSETMODE;
2014 error = (sys_ioctl(td, (struct ioctl_args *)args));
2015 break;
2016
2017 case LINUX_KDGETMODE:
2018 args->cmd = KDGETMODE;
2019 error = (sys_ioctl(td, (struct ioctl_args *)args));
2020 break;
2021
2022 case LINUX_KDGKBMODE:
2023 args->cmd = KDGKBMODE;
2024 error = (sys_ioctl(td, (struct ioctl_args *)args));
2025 break;
2026
2027 case LINUX_KDSKBMODE: {
2028 int kbdmode;
2029 switch (args->arg) {
2030 case LINUX_KBD_RAW:
2031 kbdmode = K_RAW;
2032 break;
2033 case LINUX_KBD_XLATE:
2034 kbdmode = K_XLATE;
2035 break;
2036 case LINUX_KBD_MEDIUMRAW:
2037 kbdmode = K_RAW;
2038 break;
2039 default:
2040 fdrop(fp, td);
2041 return (EINVAL);
2042 }
2043 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2044 td->td_ucred, td));
2045 break;
2046 }
2047
2048 case LINUX_VT_OPENQRY:
2049 args->cmd = VT_OPENQRY;
2050 error = (sys_ioctl(td, (struct ioctl_args *)args));
2051 break;
2052
2053 case LINUX_VT_GETMODE:
2054 args->cmd = VT_GETMODE;
2055 error = (sys_ioctl(td, (struct ioctl_args *)args));
2056 break;
2057
2058 case LINUX_VT_SETMODE: {
2059 struct vt_mode mode;
2060 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2061 break;
2062 if (LINUX_SIG_VALID(mode.relsig))
2063 mode.relsig = linux_to_bsd_signal(mode.relsig);
2064 else
2065 mode.relsig = 0;
2066 if (LINUX_SIG_VALID(mode.acqsig))
2067 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2068 else
2069 mode.acqsig = 0;
2070 /* XXX. Linux ignores frsig and set it to 0. */
2071 mode.frsig = 0;
2072 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2073 break;
2074 args->cmd = VT_SETMODE;
2075 error = (sys_ioctl(td, (struct ioctl_args *)args));
2076 break;
2077 }
2078
2079 case LINUX_VT_GETSTATE:
2080 args->cmd = VT_GETACTIVE;
2081 error = (sys_ioctl(td, (struct ioctl_args *)args));
2082 break;
2083
2084 case LINUX_VT_RELDISP:
2085 args->cmd = VT_RELDISP;
2086 error = (sys_ioctl(td, (struct ioctl_args *)args));
2087 break;
2088
2089 case LINUX_VT_ACTIVATE:
2090 args->cmd = VT_ACTIVATE;
2091 error = (sys_ioctl(td, (struct ioctl_args *)args));
2092 break;
2093
2094 case LINUX_VT_WAITACTIVE:
2095 args->cmd = VT_WAITACTIVE;
2096 error = (sys_ioctl(td, (struct ioctl_args *)args));
2097 break;
2098
2099 default:
2100 error = ENOIOCTL;
2101 break;
2102 }
2103
2104 fdrop(fp, td);
2105 return (error);
2106 }
2107
2108 /*
2109 * Criteria for interface name translation
2110 */
2111 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
2112
2113 /*
2114 * Translate a Linux interface name to a FreeBSD interface name,
2115 * and return the associated ifnet structure
2116 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
2117 * can point to the same buffer.
2118 */
2119
2120 static struct ifnet *
ifname_linux_to_bsd(struct thread * td,const char * lxname,char * bsdname)2121 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname)
2122 {
2123 struct ifnet *ifp;
2124 int len, unit;
2125 char *ep;
2126 int is_eth, index;
2127
2128 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
2129 if (!isalpha(lxname[len]))
2130 break;
2131 if (len == 0 || len == LINUX_IFNAMSIZ)
2132 return (NULL);
2133 unit = (int)strtoul(lxname + len, &ep, 10);
2134 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
2135 return (NULL);
2136 index = 0;
2137 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
2138 CURVNET_SET(TD_TO_VNET(td));
2139 IFNET_RLOCK();
2140 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2141 /*
2142 * Allow Linux programs to use FreeBSD names. Don't presume
2143 * we never have an interface named "eth", so don't make
2144 * the test optional based on is_eth.
2145 */
2146 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
2147 break;
2148 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
2149 break;
2150 }
2151 IFNET_RUNLOCK();
2152 CURVNET_RESTORE();
2153 if (ifp != NULL)
2154 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
2155 return (ifp);
2156 }
2157
2158 /*
2159 * Implement the SIOCGIFCONF ioctl
2160 */
2161
2162 static int
linux_ifconf(struct thread * td,struct ifconf * uifc)2163 linux_ifconf(struct thread *td, struct ifconf *uifc)
2164 {
2165 #ifdef COMPAT_LINUX32
2166 struct l_ifconf ifc;
2167 #else
2168 struct ifconf ifc;
2169 #endif
2170 struct l_ifreq ifr;
2171 struct ifnet *ifp;
2172 struct ifaddr *ifa;
2173 struct sbuf *sb;
2174 int error, ethno, full = 0, valid_len, max_len;
2175
2176 error = copyin(uifc, &ifc, sizeof(ifc));
2177 if (error != 0)
2178 return (error);
2179
2180 max_len = MAXPHYS - 1;
2181
2182 CURVNET_SET(TD_TO_VNET(td));
2183 /* handle the 'request buffer size' case */
2184 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) {
2185 ifc.ifc_len = 0;
2186 IFNET_RLOCK();
2187 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2188 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2189 struct sockaddr *sa = ifa->ifa_addr;
2190 if (sa->sa_family == AF_INET)
2191 ifc.ifc_len += sizeof(ifr);
2192 }
2193 }
2194 IFNET_RUNLOCK();
2195 error = copyout(&ifc, uifc, sizeof(ifc));
2196 CURVNET_RESTORE();
2197 return (error);
2198 }
2199
2200 if (ifc.ifc_len <= 0) {
2201 CURVNET_RESTORE();
2202 return (EINVAL);
2203 }
2204
2205 again:
2206 /* Keep track of eth interfaces */
2207 ethno = 0;
2208 if (ifc.ifc_len <= max_len) {
2209 max_len = ifc.ifc_len;
2210 full = 1;
2211 }
2212 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2213 max_len = 0;
2214 valid_len = 0;
2215
2216 /* Return all AF_INET addresses of all interfaces */
2217 IFNET_RLOCK();
2218 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2219 int addrs = 0;
2220
2221 bzero(&ifr, sizeof(ifr));
2222 if (IFP_IS_ETH(ifp))
2223 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2224 ethno++);
2225 else
2226 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2227
2228 /* Walk the address list */
2229 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2230 struct sockaddr *sa = ifa->ifa_addr;
2231
2232 if (sa->sa_family == AF_INET) {
2233 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2234 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2235 sizeof(ifr.ifr_addr.sa_data));
2236 sbuf_bcat(sb, &ifr, sizeof(ifr));
2237 max_len += sizeof(ifr);
2238 addrs++;
2239 }
2240
2241 if (sbuf_error(sb) == 0)
2242 valid_len = sbuf_len(sb);
2243 }
2244 if (addrs == 0) {
2245 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2246 sbuf_bcat(sb, &ifr, sizeof(ifr));
2247 max_len += sizeof(ifr);
2248
2249 if (sbuf_error(sb) == 0)
2250 valid_len = sbuf_len(sb);
2251 }
2252 }
2253 IFNET_RUNLOCK();
2254
2255 if (valid_len != max_len && !full) {
2256 sbuf_delete(sb);
2257 goto again;
2258 }
2259
2260 ifc.ifc_len = valid_len;
2261 sbuf_finish(sb);
2262 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2263 if (error == 0)
2264 error = copyout(&ifc, uifc, sizeof(ifc));
2265 sbuf_delete(sb);
2266 CURVNET_RESTORE();
2267
2268 return (error);
2269 }
2270
2271 static int
linux_gifflags(struct thread * td,struct ifnet * ifp,struct l_ifreq * ifr)2272 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2273 {
2274 l_short flags;
2275
2276 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff;
2277 /* these flags have no Linux equivalent */
2278 flags &= ~(IFF_DRV_OACTIVE|IFF_SIMPLEX|
2279 IFF_LINK0|IFF_LINK1|IFF_LINK2);
2280 /* Linux' multicast flag is in a different bit */
2281 if (flags & IFF_MULTICAST) {
2282 flags &= ~IFF_MULTICAST;
2283 flags |= 0x1000;
2284 }
2285
2286 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2287 }
2288
2289 #define ARPHRD_ETHER 1
2290 #define ARPHRD_LOOPBACK 772
2291
2292 static int
linux_gifhwaddr(struct ifnet * ifp,struct l_ifreq * ifr)2293 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2294 {
2295 struct ifaddr *ifa;
2296 struct sockaddr_dl *sdl;
2297 struct l_sockaddr lsa;
2298
2299 if (ifp->if_type == IFT_LOOP) {
2300 bzero(&lsa, sizeof(lsa));
2301 lsa.sa_family = ARPHRD_LOOPBACK;
2302 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2303 }
2304
2305 if (ifp->if_type != IFT_ETHER)
2306 return (ENOENT);
2307
2308 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2309 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
2310 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
2311 (sdl->sdl_type == IFT_ETHER)) {
2312 bzero(&lsa, sizeof(lsa));
2313 lsa.sa_family = ARPHRD_ETHER;
2314 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
2315 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2316 }
2317 }
2318
2319 return (ENOENT);
2320 }
2321
2322
2323 /*
2324 * If we fault in bsd_to_linux_ifreq() then we will fault when we call
2325 * the native ioctl(). Thus, we don't really need to check the return
2326 * value of this function.
2327 */
2328 static int
bsd_to_linux_ifreq(struct ifreq * arg)2329 bsd_to_linux_ifreq(struct ifreq *arg)
2330 {
2331 struct ifreq ifr;
2332 size_t ifr_len = sizeof(struct ifreq);
2333 int error;
2334
2335 if ((error = copyin(arg, &ifr, ifr_len)))
2336 return (error);
2337
2338 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2339
2340 error = copyout(&ifr, arg, ifr_len);
2341
2342 return (error);
2343 }
2344
2345 /*
2346 * Socket related ioctls
2347 */
2348
2349 static int
linux_ioctl_socket(struct thread * td,struct linux_ioctl_args * args)2350 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2351 {
2352 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2353 cap_rights_t rights;
2354 struct ifnet *ifp;
2355 struct file *fp;
2356 int error, type;
2357
2358 ifp = NULL;
2359 error = 0;
2360
2361 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2362 if (error != 0)
2363 return (error);
2364 type = fp->f_type;
2365 fdrop(fp, td);
2366 if (type != DTYPE_SOCKET) {
2367 /* not a socket - probably a tap / vmnet device */
2368 switch (args->cmd) {
2369 case LINUX_SIOCGIFADDR:
2370 case LINUX_SIOCSIFADDR:
2371 case LINUX_SIOCGIFFLAGS:
2372 return (linux_ioctl_special(td, args));
2373 default:
2374 return (ENOIOCTL);
2375 }
2376 }
2377
2378 switch (args->cmd & 0xffff) {
2379
2380 case LINUX_FIOGETOWN:
2381 case LINUX_FIOSETOWN:
2382 case LINUX_SIOCADDMULTI:
2383 case LINUX_SIOCATMARK:
2384 case LINUX_SIOCDELMULTI:
2385 case LINUX_SIOCGIFCONF:
2386 case LINUX_SIOCGPGRP:
2387 case LINUX_SIOCSPGRP:
2388 case LINUX_SIOCGIFCOUNT:
2389 /* these ioctls don't take an interface name */
2390 #ifdef DEBUG
2391 printf("%s(): ioctl %d\n", __func__,
2392 args->cmd & 0xffff);
2393 #endif
2394 break;
2395
2396 case LINUX_SIOCGIFFLAGS:
2397 case LINUX_SIOCGIFADDR:
2398 case LINUX_SIOCSIFADDR:
2399 case LINUX_SIOCGIFDSTADDR:
2400 case LINUX_SIOCGIFBRDADDR:
2401 case LINUX_SIOCGIFNETMASK:
2402 case LINUX_SIOCSIFNETMASK:
2403 case LINUX_SIOCGIFMTU:
2404 case LINUX_SIOCSIFMTU:
2405 case LINUX_SIOCSIFNAME:
2406 case LINUX_SIOCGIFHWADDR:
2407 case LINUX_SIOCSIFHWADDR:
2408 case LINUX_SIOCDEVPRIVATE:
2409 case LINUX_SIOCDEVPRIVATE+1:
2410 case LINUX_SIOCGIFINDEX:
2411 /* copy in the interface name and translate it. */
2412 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2413 if (error != 0)
2414 return (error);
2415 #ifdef DEBUG
2416 printf("%s(): ioctl %d on %.*s\n", __func__,
2417 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
2418 #endif
2419 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2420 if (ifp == NULL)
2421 return (EINVAL);
2422 /*
2423 * We need to copy it back out in case we pass the
2424 * request on to our native ioctl(), which will expect
2425 * the ifreq to be in user space and have the correct
2426 * interface name.
2427 */
2428 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2429 if (error != 0)
2430 return (error);
2431 #ifdef DEBUG
2432 printf("%s(): %s translated to %s\n", __func__,
2433 lifname, ifname);
2434 #endif
2435 break;
2436
2437 default:
2438 return (ENOIOCTL);
2439 }
2440
2441 switch (args->cmd & 0xffff) {
2442
2443 case LINUX_FIOSETOWN:
2444 args->cmd = FIOSETOWN;
2445 error = sys_ioctl(td, (struct ioctl_args *)args);
2446 break;
2447
2448 case LINUX_SIOCSPGRP:
2449 args->cmd = SIOCSPGRP;
2450 error = sys_ioctl(td, (struct ioctl_args *)args);
2451 break;
2452
2453 case LINUX_FIOGETOWN:
2454 args->cmd = FIOGETOWN;
2455 error = sys_ioctl(td, (struct ioctl_args *)args);
2456 break;
2457
2458 case LINUX_SIOCGPGRP:
2459 args->cmd = SIOCGPGRP;
2460 error = sys_ioctl(td, (struct ioctl_args *)args);
2461 break;
2462
2463 case LINUX_SIOCATMARK:
2464 args->cmd = SIOCATMARK;
2465 error = sys_ioctl(td, (struct ioctl_args *)args);
2466 break;
2467
2468 /* LINUX_SIOCGSTAMP */
2469
2470 case LINUX_SIOCGIFCONF:
2471 error = linux_ifconf(td, (struct ifconf *)args->arg);
2472 break;
2473
2474 case LINUX_SIOCGIFFLAGS:
2475 args->cmd = SIOCGIFFLAGS;
2476 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2477 break;
2478
2479 case LINUX_SIOCGIFADDR:
2480 args->cmd = SIOCGIFADDR;
2481 error = sys_ioctl(td, (struct ioctl_args *)args);
2482 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2483 break;
2484
2485 case LINUX_SIOCSIFADDR:
2486 /* XXX probably doesn't work, included for completeness */
2487 args->cmd = SIOCSIFADDR;
2488 error = sys_ioctl(td, (struct ioctl_args *)args);
2489 break;
2490
2491 case LINUX_SIOCGIFDSTADDR:
2492 args->cmd = SIOCGIFDSTADDR;
2493 error = sys_ioctl(td, (struct ioctl_args *)args);
2494 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2495 break;
2496
2497 case LINUX_SIOCGIFBRDADDR:
2498 args->cmd = SIOCGIFBRDADDR;
2499 error = sys_ioctl(td, (struct ioctl_args *)args);
2500 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2501 break;
2502
2503 case LINUX_SIOCGIFNETMASK:
2504 args->cmd = SIOCGIFNETMASK;
2505 error = sys_ioctl(td, (struct ioctl_args *)args);
2506 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2507 break;
2508
2509 case LINUX_SIOCSIFNETMASK:
2510 error = ENOIOCTL;
2511 break;
2512
2513 case LINUX_SIOCGIFMTU:
2514 args->cmd = SIOCGIFMTU;
2515 error = sys_ioctl(td, (struct ioctl_args *)args);
2516 break;
2517
2518 case LINUX_SIOCSIFMTU:
2519 args->cmd = SIOCSIFMTU;
2520 error = sys_ioctl(td, (struct ioctl_args *)args);
2521 break;
2522
2523 case LINUX_SIOCSIFNAME:
2524 error = ENOIOCTL;
2525 break;
2526
2527 case LINUX_SIOCGIFHWADDR:
2528 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2529 break;
2530
2531 case LINUX_SIOCSIFHWADDR:
2532 error = ENOIOCTL;
2533 break;
2534
2535 case LINUX_SIOCADDMULTI:
2536 args->cmd = SIOCADDMULTI;
2537 error = sys_ioctl(td, (struct ioctl_args *)args);
2538 break;
2539
2540 case LINUX_SIOCDELMULTI:
2541 args->cmd = SIOCDELMULTI;
2542 error = sys_ioctl(td, (struct ioctl_args *)args);
2543 break;
2544
2545 case LINUX_SIOCGIFINDEX:
2546 args->cmd = SIOCGIFINDEX;
2547 error = sys_ioctl(td, (struct ioctl_args *)args);
2548 break;
2549
2550 case LINUX_SIOCGIFCOUNT:
2551 error = 0;
2552 break;
2553
2554 /*
2555 * XXX This is slightly bogus, but these ioctls are currently
2556 * XXX only used by the aironet (if_an) network driver.
2557 */
2558 case LINUX_SIOCDEVPRIVATE:
2559 args->cmd = SIOCGPRIVATE_0;
2560 error = sys_ioctl(td, (struct ioctl_args *)args);
2561 break;
2562
2563 case LINUX_SIOCDEVPRIVATE+1:
2564 args->cmd = SIOCGPRIVATE_1;
2565 error = sys_ioctl(td, (struct ioctl_args *)args);
2566 break;
2567 }
2568
2569 if (ifp != NULL)
2570 /* restore the original interface name */
2571 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2572
2573 #ifdef DEBUG
2574 printf("%s(): returning %d\n", __func__, error);
2575 #endif
2576 return (error);
2577 }
2578
2579 /*
2580 * Device private ioctl handler
2581 */
2582 static int
linux_ioctl_private(struct thread * td,struct linux_ioctl_args * args)2583 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2584 {
2585 cap_rights_t rights;
2586 struct file *fp;
2587 int error, type;
2588
2589 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2590 if (error != 0)
2591 return (error);
2592 type = fp->f_type;
2593 fdrop(fp, td);
2594 if (type == DTYPE_SOCKET)
2595 return (linux_ioctl_socket(td, args));
2596 return (ENOIOCTL);
2597 }
2598
2599 /*
2600 * DRM ioctl handler (sys/dev/drm)
2601 */
2602 static int
linux_ioctl_drm(struct thread * td,struct linux_ioctl_args * args)2603 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2604 {
2605 args->cmd = SETDIR(args->cmd);
2606 return sys_ioctl(td, (struct ioctl_args *)args);
2607 }
2608
2609 #ifdef COMPAT_LINUX32
2610 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
2611 #define PTRIN_CP(src,dst,fld) \
2612 do { (dst).fld = PTRIN((src).fld); } while (0)
2613 #define PTROUT_CP(src,dst,fld) \
2614 do { (dst).fld = PTROUT((src).fld); } while (0)
2615
2616 static int
linux_ioctl_sg_io(struct thread * td,struct linux_ioctl_args * args)2617 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2618 {
2619 struct sg_io_hdr io;
2620 struct sg_io_hdr32 io32;
2621 cap_rights_t rights;
2622 struct file *fp;
2623 int error;
2624
2625 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2626 if (error != 0) {
2627 printf("sg_linux_ioctl: fget returned %d\n", error);
2628 return (error);
2629 }
2630
2631 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2632 goto out;
2633
2634 CP(io32, io, interface_id);
2635 CP(io32, io, dxfer_direction);
2636 CP(io32, io, cmd_len);
2637 CP(io32, io, mx_sb_len);
2638 CP(io32, io, iovec_count);
2639 CP(io32, io, dxfer_len);
2640 PTRIN_CP(io32, io, dxferp);
2641 PTRIN_CP(io32, io, cmdp);
2642 PTRIN_CP(io32, io, sbp);
2643 CP(io32, io, timeout);
2644 CP(io32, io, flags);
2645 CP(io32, io, pack_id);
2646 PTRIN_CP(io32, io, usr_ptr);
2647 CP(io32, io, status);
2648 CP(io32, io, masked_status);
2649 CP(io32, io, msg_status);
2650 CP(io32, io, sb_len_wr);
2651 CP(io32, io, host_status);
2652 CP(io32, io, driver_status);
2653 CP(io32, io, resid);
2654 CP(io32, io, duration);
2655 CP(io32, io, info);
2656
2657 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2658 goto out;
2659
2660 CP(io, io32, interface_id);
2661 CP(io, io32, dxfer_direction);
2662 CP(io, io32, cmd_len);
2663 CP(io, io32, mx_sb_len);
2664 CP(io, io32, iovec_count);
2665 CP(io, io32, dxfer_len);
2666 PTROUT_CP(io, io32, dxferp);
2667 PTROUT_CP(io, io32, cmdp);
2668 PTROUT_CP(io, io32, sbp);
2669 CP(io, io32, timeout);
2670 CP(io, io32, flags);
2671 CP(io, io32, pack_id);
2672 PTROUT_CP(io, io32, usr_ptr);
2673 CP(io, io32, status);
2674 CP(io, io32, masked_status);
2675 CP(io, io32, msg_status);
2676 CP(io, io32, sb_len_wr);
2677 CP(io, io32, host_status);
2678 CP(io, io32, driver_status);
2679 CP(io, io32, resid);
2680 CP(io, io32, duration);
2681 CP(io, io32, info);
2682
2683 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2684
2685 out:
2686 fdrop(fp, td);
2687 return (error);
2688 }
2689 #endif
2690
2691 static int
linux_ioctl_sg(struct thread * td,struct linux_ioctl_args * args)2692 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2693 {
2694
2695 switch (args->cmd) {
2696 case LINUX_SG_GET_VERSION_NUM:
2697 args->cmd = SG_GET_VERSION_NUM;
2698 break;
2699 case LINUX_SG_SET_TIMEOUT:
2700 args->cmd = SG_SET_TIMEOUT;
2701 break;
2702 case LINUX_SG_GET_TIMEOUT:
2703 args->cmd = SG_GET_TIMEOUT;
2704 break;
2705 case LINUX_SG_IO:
2706 args->cmd = SG_IO;
2707 #ifdef COMPAT_LINUX32
2708 return (linux_ioctl_sg_io(td, args));
2709 #endif
2710 break;
2711 case LINUX_SG_GET_RESERVED_SIZE:
2712 args->cmd = SG_GET_RESERVED_SIZE;
2713 break;
2714 case LINUX_SG_GET_SCSI_ID:
2715 args->cmd = SG_GET_SCSI_ID;
2716 break;
2717 case LINUX_SG_GET_SG_TABLESIZE:
2718 args->cmd = SG_GET_SG_TABLESIZE;
2719 break;
2720 default:
2721 return (ENODEV);
2722 }
2723 return (sys_ioctl(td, (struct ioctl_args *)args));
2724 }
2725
2726 /*
2727 * Video4Linux (V4L) ioctl handler
2728 */
2729 static int
linux_to_bsd_v4l_tuner(struct l_video_tuner * lvt,struct video_tuner * vt)2730 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2731 {
2732 vt->tuner = lvt->tuner;
2733 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2734 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2735 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2736 vt->flags = lvt->flags;
2737 vt->mode = lvt->mode;
2738 vt->signal = lvt->signal;
2739 return (0);
2740 }
2741
2742 static int
bsd_to_linux_v4l_tuner(struct video_tuner * vt,struct l_video_tuner * lvt)2743 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2744 {
2745 lvt->tuner = vt->tuner;
2746 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2747 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2748 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2749 lvt->flags = vt->flags;
2750 lvt->mode = vt->mode;
2751 lvt->signal = vt->signal;
2752 return (0);
2753 }
2754
2755 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2756 static int
linux_to_bsd_v4l_clip(struct l_video_clip * lvc,struct video_clip * vc)2757 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2758 {
2759 vc->x = lvc->x;
2760 vc->y = lvc->y;
2761 vc->width = lvc->width;
2762 vc->height = lvc->height;
2763 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2764 return (0);
2765 }
2766 #endif
2767
2768 static int
linux_to_bsd_v4l_window(struct l_video_window * lvw,struct video_window * vw)2769 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2770 {
2771 vw->x = lvw->x;
2772 vw->y = lvw->y;
2773 vw->width = lvw->width;
2774 vw->height = lvw->height;
2775 vw->chromakey = lvw->chromakey;
2776 vw->flags = lvw->flags;
2777 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2778 vw->clipcount = lvw->clipcount;
2779 return (0);
2780 }
2781
2782 static int
bsd_to_linux_v4l_window(struct video_window * vw,struct l_video_window * lvw)2783 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2784 {
2785 lvw->x = vw->x;
2786 lvw->y = vw->y;
2787 lvw->width = vw->width;
2788 lvw->height = vw->height;
2789 lvw->chromakey = vw->chromakey;
2790 lvw->flags = vw->flags;
2791 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2792 lvw->clipcount = vw->clipcount;
2793 return (0);
2794 }
2795
2796 static int
linux_to_bsd_v4l_buffer(struct l_video_buffer * lvb,struct video_buffer * vb)2797 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2798 {
2799 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2800 vb->height = lvb->height;
2801 vb->width = lvb->width;
2802 vb->depth = lvb->depth;
2803 vb->bytesperline = lvb->bytesperline;
2804 return (0);
2805 }
2806
2807 static int
bsd_to_linux_v4l_buffer(struct video_buffer * vb,struct l_video_buffer * lvb)2808 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2809 {
2810 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2811 lvb->height = vb->height;
2812 lvb->width = vb->width;
2813 lvb->depth = vb->depth;
2814 lvb->bytesperline = vb->bytesperline;
2815 return (0);
2816 }
2817
2818 static int
linux_to_bsd_v4l_code(struct l_video_code * lvc,struct video_code * vc)2819 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2820 {
2821 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2822 vc->datasize = lvc->datasize;
2823 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2824 return (0);
2825 }
2826
2827 #ifdef COMPAT_LINUX_V4L_CLIPLIST
2828 static int
linux_v4l_clip_copy(void * lvc,struct video_clip ** ppvc)2829 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2830 {
2831 int error;
2832 struct video_clip vclip;
2833 struct l_video_clip l_vclip;
2834
2835 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2836 if (error) return (error);
2837 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2838 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2839 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2840 return (ENOMEM); /* XXX: linux has no ENOMEM here */
2841 memcpy(*ppvc, &vclip, sizeof(vclip));
2842 (*ppvc)->next = NULL;
2843 return (0);
2844 }
2845
2846 static int
linux_v4l_cliplist_free(struct video_window * vw)2847 linux_v4l_cliplist_free(struct video_window *vw)
2848 {
2849 struct video_clip **ppvc;
2850 struct video_clip **ppvc_next;
2851
2852 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2853 ppvc_next = &((*ppvc)->next);
2854 free(*ppvc, M_LINUX);
2855 }
2856 vw->clips = NULL;
2857
2858 return (0);
2859 }
2860
2861 static int
linux_v4l_cliplist_copy(struct l_video_window * lvw,struct video_window * vw)2862 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2863 {
2864 int error;
2865 int clipcount;
2866 void *plvc;
2867 struct video_clip **ppvc;
2868
2869 /*
2870 * XXX: The cliplist is used to pass in a list of clipping
2871 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2872 * clipping bitmap. Some Linux apps, however, appear to
2873 * leave cliplist and clips uninitialized. In any case,
2874 * the cliplist is not used by pwc(4), at the time of
2875 * writing, FreeBSD's only V4L driver. When a driver
2876 * that uses the cliplist is developed, this code may
2877 * need re-examiniation.
2878 */
2879 error = 0;
2880 clipcount = vw->clipcount;
2881 if (clipcount == VIDEO_CLIP_BITMAP) {
2882 /*
2883 * In this case, the pointer (clips) is overloaded
2884 * to be a "void *" to a bitmap, therefore there
2885 * is no struct video_clip to copy now.
2886 */
2887 } else if (clipcount > 0 && clipcount <= 16384) {
2888 /*
2889 * Clips points to list of clip rectangles, so
2890 * copy the list.
2891 *
2892 * XXX: Upper limit of 16384 was used here to try to
2893 * avoid cases when clipcount and clips pointer
2894 * are uninitialized and therefore have high random
2895 * values, as is the case in the Linux Skype
2896 * application. The value 16384 was chosen as that
2897 * is what is used in the Linux stradis(4) MPEG
2898 * decoder driver, the only place we found an
2899 * example of cliplist use.
2900 */
2901 plvc = PTRIN(lvw->clips);
2902 vw->clips = NULL;
2903 ppvc = &(vw->clips);
2904 while (clipcount-- > 0) {
2905 if (plvc == 0) {
2906 error = EFAULT;
2907 break;
2908 } else {
2909 error = linux_v4l_clip_copy(plvc, ppvc);
2910 if (error) {
2911 linux_v4l_cliplist_free(vw);
2912 break;
2913 }
2914 }
2915 ppvc = &((*ppvc)->next);
2916 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2917 }
2918 } else {
2919 /*
2920 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2921 * Force cliplist to null.
2922 */
2923 vw->clipcount = 0;
2924 vw->clips = NULL;
2925 }
2926 return (error);
2927 }
2928 #endif
2929
2930 static int
linux_ioctl_v4l(struct thread * td,struct linux_ioctl_args * args)2931 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2932 {
2933 cap_rights_t rights;
2934 struct file *fp;
2935 int error;
2936 struct video_tuner vtun;
2937 struct video_window vwin;
2938 struct video_buffer vbuf;
2939 struct video_code vcode;
2940 struct l_video_tuner l_vtun;
2941 struct l_video_window l_vwin;
2942 struct l_video_buffer l_vbuf;
2943 struct l_video_code l_vcode;
2944
2945 switch (args->cmd & 0xffff) {
2946 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2947 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2948 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2949
2950 case LINUX_VIDIOCGTUNER:
2951 error = fget(td, args->fd,
2952 cap_rights_init(&rights, CAP_IOCTL), &fp);
2953 if (error != 0)
2954 return (error);
2955 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2956 if (error) {
2957 fdrop(fp, td);
2958 return (error);
2959 }
2960 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2961 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2962 if (!error) {
2963 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2964 error = copyout(&l_vtun, (void *) args->arg,
2965 sizeof(l_vtun));
2966 }
2967 fdrop(fp, td);
2968 return (error);
2969
2970 case LINUX_VIDIOCSTUNER:
2971 error = fget(td, args->fd,
2972 cap_rights_init(&rights, CAP_IOCTL), &fp);
2973 if (error != 0)
2974 return (error);
2975 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2976 if (error) {
2977 fdrop(fp, td);
2978 return (error);
2979 }
2980 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2981 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2982 fdrop(fp, td);
2983 return (error);
2984
2985 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2986 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2987 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2988
2989 case LINUX_VIDIOCGWIN:
2990 error = fget(td, args->fd,
2991 cap_rights_init(&rights, CAP_IOCTL), &fp);
2992 if (error != 0)
2993 return (error);
2994 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2995 if (!error) {
2996 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2997 error = copyout(&l_vwin, (void *) args->arg,
2998 sizeof(l_vwin));
2999 }
3000 fdrop(fp, td);
3001 return (error);
3002
3003 case LINUX_VIDIOCSWIN:
3004 error = fget(td, args->fd,
3005 cap_rights_init(&rights, CAP_IOCTL), &fp);
3006 if (error != 0)
3007 return (error);
3008 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
3009 if (error) {
3010 fdrop(fp, td);
3011 return (error);
3012 }
3013 linux_to_bsd_v4l_window(&l_vwin, &vwin);
3014 #ifdef COMPAT_LINUX_V4L_CLIPLIST
3015 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
3016 if (error) {
3017 fdrop(fp, td);
3018 return (error);
3019 }
3020 #endif
3021 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
3022 fdrop(fp, td);
3023 #ifdef COMPAT_LINUX_V4L_CLIPLIST
3024 linux_v4l_cliplist_free(&vwin);
3025 #endif
3026 return (error);
3027
3028 case LINUX_VIDIOCGFBUF:
3029 error = fget(td, args->fd,
3030 cap_rights_init(&rights, CAP_IOCTL), &fp);
3031 if (error != 0)
3032 return (error);
3033 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
3034 if (!error) {
3035 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
3036 error = copyout(&l_vbuf, (void *) args->arg,
3037 sizeof(l_vbuf));
3038 }
3039 fdrop(fp, td);
3040 return (error);
3041
3042 case LINUX_VIDIOCSFBUF:
3043 error = fget(td, args->fd,
3044 cap_rights_init(&rights, CAP_IOCTL), &fp);
3045 if (error != 0)
3046 return (error);
3047 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
3048 if (error) {
3049 fdrop(fp, td);
3050 return (error);
3051 }
3052 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
3053 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
3054 fdrop(fp, td);
3055 return (error);
3056
3057 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
3058 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
3059 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
3060 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
3061 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
3062 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
3063 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
3064 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
3065 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
3066 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
3067 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
3068 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
3069 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
3070 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
3071
3072 case LINUX_VIDIOCSMICROCODE:
3073 error = fget(td, args->fd,
3074 cap_rights_init(&rights, CAP_IOCTL), &fp);
3075 if (error != 0)
3076 return (error);
3077 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
3078 if (error) {
3079 fdrop(fp, td);
3080 return (error);
3081 }
3082 linux_to_bsd_v4l_code(&l_vcode, &vcode);
3083 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
3084 fdrop(fp, td);
3085 return (error);
3086
3087 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
3088 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
3089 default: return (ENOIOCTL);
3090 }
3091
3092 error = sys_ioctl(td, (struct ioctl_args *)args);
3093 return (error);
3094 }
3095
3096 /*
3097 * Special ioctl handler
3098 */
3099 static int
linux_ioctl_special(struct thread * td,struct linux_ioctl_args * args)3100 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
3101 {
3102 int error;
3103
3104 switch (args->cmd) {
3105 case LINUX_SIOCGIFADDR:
3106 args->cmd = SIOCGIFADDR;
3107 error = sys_ioctl(td, (struct ioctl_args *)args);
3108 break;
3109 case LINUX_SIOCSIFADDR:
3110 args->cmd = SIOCSIFADDR;
3111 error = sys_ioctl(td, (struct ioctl_args *)args);
3112 break;
3113 case LINUX_SIOCGIFFLAGS:
3114 args->cmd = SIOCGIFFLAGS;
3115 error = sys_ioctl(td, (struct ioctl_args *)args);
3116 break;
3117 default:
3118 error = ENOIOCTL;
3119 }
3120
3121 return (error);
3122 }
3123
3124 static int
linux_to_bsd_v4l2_standard(struct l_v4l2_standard * lvstd,struct v4l2_standard * vstd)3125 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3126 {
3127 vstd->index = lvstd->index;
3128 vstd->id = lvstd->id;
3129 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3130 return (0);
3131 }
3132
3133 static int
bsd_to_linux_v4l2_standard(struct v4l2_standard * vstd,struct l_v4l2_standard * lvstd)3134 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3135 {
3136 lvstd->index = vstd->index;
3137 lvstd->id = vstd->id;
3138 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3139 return (0);
3140 }
3141
3142 static int
linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer * lvb,struct v4l2_buffer * vb)3143 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3144 {
3145 vb->index = lvb->index;
3146 vb->type = lvb->type;
3147 vb->bytesused = lvb->bytesused;
3148 vb->flags = lvb->flags;
3149 vb->field = lvb->field;
3150 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3151 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3152 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3153 vb->sequence = lvb->sequence;
3154 vb->memory = lvb->memory;
3155 if (lvb->memory == V4L2_MEMORY_USERPTR)
3156 /* possible pointer size conversion */
3157 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3158 else
3159 vb->m.offset = lvb->m.offset;
3160 vb->length = lvb->length;
3161 vb->input = lvb->input;
3162 vb->reserved = lvb->reserved;
3163 return (0);
3164 }
3165
3166 static int
bsd_to_linux_v4l2_buffer(struct v4l2_buffer * vb,struct l_v4l2_buffer * lvb)3167 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3168 {
3169 lvb->index = vb->index;
3170 lvb->type = vb->type;
3171 lvb->bytesused = vb->bytesused;
3172 lvb->flags = vb->flags;
3173 lvb->field = vb->field;
3174 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3175 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3176 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3177 lvb->sequence = vb->sequence;
3178 lvb->memory = vb->memory;
3179 if (vb->memory == V4L2_MEMORY_USERPTR)
3180 /* possible pointer size conversion */
3181 lvb->m.userptr = PTROUT(vb->m.userptr);
3182 else
3183 lvb->m.offset = vb->m.offset;
3184 lvb->length = vb->length;
3185 lvb->input = vb->input;
3186 lvb->reserved = vb->reserved;
3187 return (0);
3188 }
3189
3190 static int
linux_to_bsd_v4l2_format(struct l_v4l2_format * lvf,struct v4l2_format * vf)3191 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3192 {
3193 vf->type = lvf->type;
3194 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3195 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3196 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3197 #endif
3198 )
3199 /*
3200 * XXX TODO - needs 32 -> 64 bit conversion:
3201 * (unused by webcams?)
3202 */
3203 return EINVAL;
3204 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3205 return 0;
3206 }
3207
3208 static int
bsd_to_linux_v4l2_format(struct v4l2_format * vf,struct l_v4l2_format * lvf)3209 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3210 {
3211 lvf->type = vf->type;
3212 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3213 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3214 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3215 #endif
3216 )
3217 /*
3218 * XXX TODO - needs 32 -> 64 bit conversion:
3219 * (unused by webcams?)
3220 */
3221 return EINVAL;
3222 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3223 return 0;
3224 }
3225 static int
linux_ioctl_v4l2(struct thread * td,struct linux_ioctl_args * args)3226 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3227 {
3228 cap_rights_t rights;
3229 struct file *fp;
3230 int error;
3231 struct v4l2_format vformat;
3232 struct l_v4l2_format l_vformat;
3233 struct v4l2_standard vstd;
3234 struct l_v4l2_standard l_vstd;
3235 struct l_v4l2_buffer l_vbuf;
3236 struct v4l2_buffer vbuf;
3237 struct v4l2_input vinp;
3238
3239 switch (args->cmd & 0xffff) {
3240 case LINUX_VIDIOC_RESERVED:
3241 case LINUX_VIDIOC_LOG_STATUS:
3242 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3243 return ENOIOCTL;
3244 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3245 break;
3246
3247 case LINUX_VIDIOC_OVERLAY:
3248 case LINUX_VIDIOC_STREAMON:
3249 case LINUX_VIDIOC_STREAMOFF:
3250 case LINUX_VIDIOC_S_STD:
3251 case LINUX_VIDIOC_S_TUNER:
3252 case LINUX_VIDIOC_S_AUDIO:
3253 case LINUX_VIDIOC_S_AUDOUT:
3254 case LINUX_VIDIOC_S_MODULATOR:
3255 case LINUX_VIDIOC_S_FREQUENCY:
3256 case LINUX_VIDIOC_S_CROP:
3257 case LINUX_VIDIOC_S_JPEGCOMP:
3258 case LINUX_VIDIOC_S_PRIORITY:
3259 case LINUX_VIDIOC_DBG_S_REGISTER:
3260 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3261 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3262 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3263 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3264 break;
3265
3266 case LINUX_VIDIOC_QUERYCAP:
3267 case LINUX_VIDIOC_G_STD:
3268 case LINUX_VIDIOC_G_AUDIO:
3269 case LINUX_VIDIOC_G_INPUT:
3270 case LINUX_VIDIOC_G_OUTPUT:
3271 case LINUX_VIDIOC_G_AUDOUT:
3272 case LINUX_VIDIOC_G_JPEGCOMP:
3273 case LINUX_VIDIOC_QUERYSTD:
3274 case LINUX_VIDIOC_G_PRIORITY:
3275 case LINUX_VIDIOC_QUERY_DV_PRESET:
3276 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3277 break;
3278
3279 case LINUX_VIDIOC_ENUM_FMT:
3280 case LINUX_VIDIOC_REQBUFS:
3281 case LINUX_VIDIOC_G_PARM:
3282 case LINUX_VIDIOC_S_PARM:
3283 case LINUX_VIDIOC_G_CTRL:
3284 case LINUX_VIDIOC_S_CTRL:
3285 case LINUX_VIDIOC_G_TUNER:
3286 case LINUX_VIDIOC_QUERYCTRL:
3287 case LINUX_VIDIOC_QUERYMENU:
3288 case LINUX_VIDIOC_S_INPUT:
3289 case LINUX_VIDIOC_S_OUTPUT:
3290 case LINUX_VIDIOC_ENUMOUTPUT:
3291 case LINUX_VIDIOC_G_MODULATOR:
3292 case LINUX_VIDIOC_G_FREQUENCY:
3293 case LINUX_VIDIOC_CROPCAP:
3294 case LINUX_VIDIOC_G_CROP:
3295 case LINUX_VIDIOC_ENUMAUDIO:
3296 case LINUX_VIDIOC_ENUMAUDOUT:
3297 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3298 #ifdef VIDIOC_ENUM_FRAMESIZES
3299 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3300 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3301 case LINUX_VIDIOC_ENCODER_CMD:
3302 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3303 #endif
3304 case LINUX_VIDIOC_DBG_G_REGISTER:
3305 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3306 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3307 case LINUX_VIDIOC_S_DV_PRESET:
3308 case LINUX_VIDIOC_G_DV_PRESET:
3309 case LINUX_VIDIOC_S_DV_TIMINGS:
3310 case LINUX_VIDIOC_G_DV_TIMINGS:
3311 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3312 break;
3313
3314 case LINUX_VIDIOC_G_FMT:
3315 case LINUX_VIDIOC_S_FMT:
3316 case LINUX_VIDIOC_TRY_FMT:
3317 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3318 if (error)
3319 return (error);
3320 error = fget(td, args->fd,
3321 cap_rights_init(&rights, CAP_IOCTL), &fp);
3322 if (error)
3323 return (error);
3324 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3325 error = EINVAL;
3326 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3327 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3328 td->td_ucred, td);
3329 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3330 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3331 td->td_ucred, td);
3332 else
3333 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3334 td->td_ucred, td);
3335 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3336 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
3337 fdrop(fp, td);
3338 return (error);
3339
3340 case LINUX_VIDIOC_ENUMSTD:
3341 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3342 if (error)
3343 return (error);
3344 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3345 error = fget(td, args->fd,
3346 cap_rights_init(&rights, CAP_IOCTL), &fp);
3347 if (error)
3348 return (error);
3349 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3350 td->td_ucred, td);
3351 if (error) {
3352 fdrop(fp, td);
3353 return (error);
3354 }
3355 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3356 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3357 fdrop(fp, td);
3358 return (error);
3359
3360 case LINUX_VIDIOC_ENUMINPUT:
3361 /*
3362 * The Linux struct l_v4l2_input differs only in size,
3363 * it has no padding at the end.
3364 */
3365 error = copyin((void *)args->arg, &vinp,
3366 sizeof(struct l_v4l2_input));
3367 if (error != 0)
3368 return (error);
3369 error = fget(td, args->fd,
3370 cap_rights_init(&rights, CAP_IOCTL), &fp);
3371 if (error != 0)
3372 return (error);
3373 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3374 td->td_ucred, td);
3375 if (error) {
3376 fdrop(fp, td);
3377 return (error);
3378 }
3379 error = copyout(&vinp, (void *)args->arg,
3380 sizeof(struct l_v4l2_input));
3381 fdrop(fp, td);
3382 return (error);
3383
3384 case LINUX_VIDIOC_QUERYBUF:
3385 case LINUX_VIDIOC_QBUF:
3386 case LINUX_VIDIOC_DQBUF:
3387 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3388 if (error)
3389 return (error);
3390 error = fget(td, args->fd,
3391 cap_rights_init(&rights, CAP_IOCTL), &fp);
3392 if (error)
3393 return (error);
3394 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3395 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3396 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3397 td->td_ucred, td);
3398 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3399 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3400 td->td_ucred, td);
3401 else
3402 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3403 td->td_ucred, td);
3404 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3405 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
3406 fdrop(fp, td);
3407 return (error);
3408
3409 /*
3410 * XXX TODO - these need 32 -> 64 bit conversion:
3411 * (are any of them needed for webcams?)
3412 */
3413 case LINUX_VIDIOC_G_FBUF:
3414 case LINUX_VIDIOC_S_FBUF:
3415
3416 case LINUX_VIDIOC_G_EXT_CTRLS:
3417 case LINUX_VIDIOC_S_EXT_CTRLS:
3418 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3419
3420 case LINUX_VIDIOC_DQEVENT:
3421
3422 default: return (ENOIOCTL);
3423 }
3424
3425 error = sys_ioctl(td, (struct ioctl_args *)args);
3426 return (error);
3427 }
3428
3429 /*
3430 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3431 * instead of USB* ones. This lets us to provide correct values for cmd.
3432 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3433 */
3434 static int
linux_ioctl_fbsd_usb(struct thread * td,struct linux_ioctl_args * args)3435 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3436 {
3437 int error;
3438
3439 error = 0;
3440 switch (args->cmd) {
3441 case FBSD_LUSB_DEVICEENUMERATE:
3442 args->cmd = USB_DEVICEENUMERATE;
3443 break;
3444 case FBSD_LUSB_DEV_QUIRK_ADD:
3445 args->cmd = USB_DEV_QUIRK_ADD;
3446 break;
3447 case FBSD_LUSB_DEV_QUIRK_GET:
3448 args->cmd = USB_DEV_QUIRK_GET;
3449 break;
3450 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3451 args->cmd = USB_DEV_QUIRK_REMOVE;
3452 break;
3453 case FBSD_LUSB_DO_REQUEST:
3454 args->cmd = USB_DO_REQUEST;
3455 break;
3456 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3457 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3458 break;
3459 case FBSD_LUSB_FS_CLOSE:
3460 args->cmd = USB_FS_CLOSE;
3461 break;
3462 case FBSD_LUSB_FS_COMPLETE:
3463 args->cmd = USB_FS_COMPLETE;
3464 break;
3465 case FBSD_LUSB_FS_INIT:
3466 args->cmd = USB_FS_INIT;
3467 break;
3468 case FBSD_LUSB_FS_OPEN:
3469 args->cmd = USB_FS_OPEN;
3470 break;
3471 case FBSD_LUSB_FS_START:
3472 args->cmd = USB_FS_START;
3473 break;
3474 case FBSD_LUSB_FS_STOP:
3475 args->cmd = USB_FS_STOP;
3476 break;
3477 case FBSD_LUSB_FS_UNINIT:
3478 args->cmd = USB_FS_UNINIT;
3479 break;
3480 case FBSD_LUSB_GET_CONFIG:
3481 args->cmd = USB_GET_CONFIG;
3482 break;
3483 case FBSD_LUSB_GET_DEVICEINFO:
3484 args->cmd = USB_GET_DEVICEINFO;
3485 break;
3486 case FBSD_LUSB_GET_DEVICE_DESC:
3487 args->cmd = USB_GET_DEVICE_DESC;
3488 break;
3489 case FBSD_LUSB_GET_FULL_DESC:
3490 args->cmd = USB_GET_FULL_DESC;
3491 break;
3492 case FBSD_LUSB_GET_IFACE_DRIVER:
3493 args->cmd = USB_GET_IFACE_DRIVER;
3494 break;
3495 case FBSD_LUSB_GET_PLUGTIME:
3496 args->cmd = USB_GET_PLUGTIME;
3497 break;
3498 case FBSD_LUSB_GET_POWER_MODE:
3499 args->cmd = USB_GET_POWER_MODE;
3500 break;
3501 case FBSD_LUSB_GET_REPORT_DESC:
3502 args->cmd = USB_GET_REPORT_DESC;
3503 break;
3504 case FBSD_LUSB_GET_REPORT_ID:
3505 args->cmd = USB_GET_REPORT_ID;
3506 break;
3507 case FBSD_LUSB_GET_TEMPLATE:
3508 args->cmd = USB_GET_TEMPLATE;
3509 break;
3510 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3511 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3512 break;
3513 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3514 args->cmd = USB_IFACE_DRIVER_DETACH;
3515 break;
3516 case FBSD_LUSB_QUIRK_NAME_GET:
3517 args->cmd = USB_QUIRK_NAME_GET;
3518 break;
3519 case FBSD_LUSB_READ_DIR:
3520 args->cmd = USB_READ_DIR;
3521 break;
3522 case FBSD_LUSB_SET_ALTINTERFACE:
3523 args->cmd = USB_SET_ALTINTERFACE;
3524 break;
3525 case FBSD_LUSB_SET_CONFIG:
3526 args->cmd = USB_SET_CONFIG;
3527 break;
3528 case FBSD_LUSB_SET_IMMED:
3529 args->cmd = USB_SET_IMMED;
3530 break;
3531 case FBSD_LUSB_SET_POWER_MODE:
3532 args->cmd = USB_SET_POWER_MODE;
3533 break;
3534 case FBSD_LUSB_SET_TEMPLATE:
3535 args->cmd = USB_SET_TEMPLATE;
3536 break;
3537 case FBSD_LUSB_FS_OPEN_STREAM:
3538 args->cmd = USB_FS_OPEN_STREAM;
3539 break;
3540 case FBSD_LUSB_GET_DEV_PORT_PATH:
3541 args->cmd = USB_GET_DEV_PORT_PATH;
3542 break;
3543 case FBSD_LUSB_GET_POWER_USAGE:
3544 args->cmd = USB_GET_POWER_USAGE;
3545 break;
3546 default:
3547 error = ENOIOCTL;
3548 }
3549 if (error != ENOIOCTL)
3550 error = sys_ioctl(td, (struct ioctl_args *)args);
3551 return (error);
3552 }
3553
3554 /*
3555 * main ioctl syscall function
3556 */
3557
3558 int
linux_ioctl(struct thread * td,struct linux_ioctl_args * args)3559 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3560 {
3561 cap_rights_t rights;
3562 struct file *fp;
3563 struct handler_element *he;
3564 int error, cmd;
3565
3566 #ifdef DEBUG
3567 if (ldebug(ioctl))
3568 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
3569 (unsigned long)args->cmd);
3570 #endif
3571
3572 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
3573 if (error != 0)
3574 return (error);
3575 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3576 fdrop(fp, td);
3577 return (EBADF);
3578 }
3579
3580 /* Iterate over the ioctl handlers */
3581 cmd = args->cmd & 0xffff;
3582 sx_slock(&linux_ioctl_sx);
3583 mtx_lock(&Giant);
3584 TAILQ_FOREACH(he, &handlers, list) {
3585 if (cmd >= he->low && cmd <= he->high) {
3586 error = (*he->func)(td, args);
3587 if (error != ENOIOCTL) {
3588 mtx_unlock(&Giant);
3589 sx_sunlock(&linux_ioctl_sx);
3590 fdrop(fp, td);
3591 return (error);
3592 }
3593 }
3594 }
3595 mtx_unlock(&Giant);
3596 sx_sunlock(&linux_ioctl_sx);
3597 fdrop(fp, td);
3598
3599 switch (args->cmd & 0xffff) {
3600 case LINUX_BTRFS_IOC_CLONE:
3601 return (ENOTSUP);
3602
3603 default:
3604 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3605 args->fd, (int)(args->cmd & 0xffff),
3606 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3607 break;
3608 }
3609
3610 return (EINVAL);
3611 }
3612
3613 int
linux_ioctl_register_handler(struct linux_ioctl_handler * h)3614 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3615 {
3616 struct handler_element *he, *cur;
3617
3618 if (h == NULL || h->func == NULL)
3619 return (EINVAL);
3620
3621 /*
3622 * Reuse the element if the handler is already on the list, otherwise
3623 * create a new element.
3624 */
3625 sx_xlock(&linux_ioctl_sx);
3626 TAILQ_FOREACH(he, &handlers, list) {
3627 if (he->func == h->func)
3628 break;
3629 }
3630 if (he == NULL) {
3631 he = malloc(sizeof(*he),
3632 M_LINUX, M_WAITOK);
3633 he->func = h->func;
3634 } else
3635 TAILQ_REMOVE(&handlers, he, list);
3636
3637 /* Initialize range information. */
3638 he->low = h->low;
3639 he->high = h->high;
3640 he->span = h->high - h->low + 1;
3641
3642 /* Add the element to the list, sorted on span. */
3643 TAILQ_FOREACH(cur, &handlers, list) {
3644 if (cur->span > he->span) {
3645 TAILQ_INSERT_BEFORE(cur, he, list);
3646 sx_xunlock(&linux_ioctl_sx);
3647 return (0);
3648 }
3649 }
3650 TAILQ_INSERT_TAIL(&handlers, he, list);
3651 sx_xunlock(&linux_ioctl_sx);
3652
3653 return (0);
3654 }
3655
3656 int
linux_ioctl_unregister_handler(struct linux_ioctl_handler * h)3657 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3658 {
3659 struct handler_element *he;
3660
3661 if (h == NULL || h->func == NULL)
3662 return (EINVAL);
3663
3664 sx_xlock(&linux_ioctl_sx);
3665 TAILQ_FOREACH(he, &handlers, list) {
3666 if (he->func == h->func) {
3667 TAILQ_REMOVE(&handlers, he, list);
3668 sx_xunlock(&linux_ioctl_sx);
3669 free(he, M_LINUX);
3670 return (0);
3671 }
3672 }
3673 sx_xunlock(&linux_ioctl_sx);
3674
3675 return (EINVAL);
3676 }
3677