1/*-
2 * Copyright (c) 1994-1995 S��ren 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: stable/10/sys/compat/linux/linux_ioctl.c 301430 2016-06-05 07:40:12Z dchagin $");
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_dl.h>
70#include <net/if_types.h>
71
72#include <dev/usb/usb_ioctl.h>
73
74#ifdef COMPAT_LINUX32
75#include <machine/../linux32/linux.h>
76#include <machine/../linux32/linux32_proto.h>
77#else
78#include <machine/../linux/linux.h>
79#include <machine/../linux/linux_proto.h>
80#endif
81
82#include <compat/linux/linux_ioctl.h>
83#include <compat/linux/linux_mib.h>
84#include <compat/linux/linux_socket.h>
85#include <compat/linux/linux_util.h>
86
87#include <contrib/v4l/videodev.h>
88#include <compat/linux/linux_videodev_compat.h>
89
90#include <contrib/v4l/videodev2.h>
91#include <compat/linux/linux_videodev2_compat.h>
92
93#include <cam/scsi/scsi_sg.h>
94
95CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
96
97static linux_ioctl_function_t linux_ioctl_cdrom;
98static linux_ioctl_function_t linux_ioctl_vfat;
99static linux_ioctl_function_t linux_ioctl_console;
100static linux_ioctl_function_t linux_ioctl_hdio;
101static linux_ioctl_function_t linux_ioctl_disk;
102static linux_ioctl_function_t linux_ioctl_socket;
103static linux_ioctl_function_t linux_ioctl_sound;
104static linux_ioctl_function_t linux_ioctl_termio;
105static linux_ioctl_function_t linux_ioctl_private;
106static linux_ioctl_function_t linux_ioctl_drm;
107static linux_ioctl_function_t linux_ioctl_sg;
108static linux_ioctl_function_t linux_ioctl_v4l;
109static linux_ioctl_function_t linux_ioctl_v4l2;
110static linux_ioctl_function_t linux_ioctl_special;
111static linux_ioctl_function_t linux_ioctl_fbsd_usb;
112
113static struct linux_ioctl_handler cdrom_handler =
114{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
115static struct linux_ioctl_handler vfat_handler =
116{ linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
117static struct linux_ioctl_handler console_handler =
118{ linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
119static struct linux_ioctl_handler hdio_handler =
120{ linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
121static struct linux_ioctl_handler disk_handler =
122{ linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
123static struct linux_ioctl_handler socket_handler =
124{ linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
125static struct linux_ioctl_handler sound_handler =
126{ linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
127static struct linux_ioctl_handler termio_handler =
128{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
129static struct linux_ioctl_handler private_handler =
130{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
131static struct linux_ioctl_handler drm_handler =
132{ linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
133static struct linux_ioctl_handler sg_handler =
134{ linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
135static struct linux_ioctl_handler video_handler =
136{ linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX };
137static struct linux_ioctl_handler video2_handler =
138{ linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX };
139static struct linux_ioctl_handler fbsd_usb =
140{ linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX };
141
142DATA_SET(linux_ioctl_handler_set, cdrom_handler);
143DATA_SET(linux_ioctl_handler_set, vfat_handler);
144DATA_SET(linux_ioctl_handler_set, console_handler);
145DATA_SET(linux_ioctl_handler_set, hdio_handler);
146DATA_SET(linux_ioctl_handler_set, disk_handler);
147DATA_SET(linux_ioctl_handler_set, socket_handler);
148DATA_SET(linux_ioctl_handler_set, sound_handler);
149DATA_SET(linux_ioctl_handler_set, termio_handler);
150DATA_SET(linux_ioctl_handler_set, private_handler);
151DATA_SET(linux_ioctl_handler_set, drm_handler);
152DATA_SET(linux_ioctl_handler_set, sg_handler);
153DATA_SET(linux_ioctl_handler_set, video_handler);
154DATA_SET(linux_ioctl_handler_set, video2_handler);
155DATA_SET(linux_ioctl_handler_set, fbsd_usb);
156
157struct handler_element
158{
159 TAILQ_ENTRY(handler_element) list;
160 int (*func)(struct thread *, struct linux_ioctl_args *);
161 int low, high, span;
162};
163
164static TAILQ_HEAD(, handler_element) handlers =
165 TAILQ_HEAD_INITIALIZER(handlers);
166static struct sx linux_ioctl_sx;
167SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers");
168
169/*
170 * hdio related ioctls for VMWare support
171 */
172
173struct linux_hd_geometry {
174 u_int8_t heads;
175 u_int8_t sectors;
176 u_int16_t cylinders;
177 u_int32_t start;
178};
179
180struct linux_hd_big_geometry {
181 u_int8_t heads;
182 u_int8_t sectors;
183 u_int32_t cylinders;
184 u_int32_t start;
185};
186
187static int
188linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
189{
190 cap_rights_t rights;
191 struct file *fp;
192 int error;
193 u_int sectorsize, fwcylinders, fwheads, fwsectors;
194 off_t mediasize, bytespercyl;
195
196 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
197 if (error != 0)
198 return (error);
199 switch (args->cmd & 0xffff) {
200 case LINUX_HDIO_GET_GEO:
201 case LINUX_HDIO_GET_GEO_BIG:
202 error = fo_ioctl(fp, DIOCGMEDIASIZE,
203 (caddr_t)&mediasize, td->td_ucred, td);
204 if (!error)
205 error = fo_ioctl(fp, DIOCGSECTORSIZE,
206 (caddr_t)&sectorsize, td->td_ucred, td);
207 if (!error)
208 error = fo_ioctl(fp, DIOCGFWHEADS,
209 (caddr_t)&fwheads, td->td_ucred, td);
210 if (!error)
211 error = fo_ioctl(fp, DIOCGFWSECTORS,
212 (caddr_t)&fwsectors, td->td_ucred, td);
213 /*
214 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
215 * so pretend that GEOM always says 0. This is NOT VALID
216 * for slices or partitions, only the per-disk raw devices.
217 */
218
219 fdrop(fp, td);
220 if (error)
221 return (error);
222 /*
223 * 1. Calculate the number of bytes in a cylinder,
224 * given the firmware's notion of heads and sectors
225 * per cylinder.
226 * 2. Calculate the number of cylinders, given the total
227 * size of the media.
228 * All internal calculations should have 64-bit precision.
229 */
230 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
231 fwcylinders = mediasize / bytespercyl;
232#if defined(DEBUG)
233 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, "
234 "bpc %jd",
235 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors,
236 (intmax_t)bytespercyl);
237#endif
238 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
239 struct linux_hd_geometry hdg;
240
241 hdg.cylinders = fwcylinders;
242 hdg.heads = fwheads;
243 hdg.sectors = fwsectors;
244 hdg.start = 0;
245 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
246 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
247 struct linux_hd_big_geometry hdbg;
248
249 hdbg.cylinders = fwcylinders;
250 hdbg.heads = fwheads;
251 hdbg.sectors = fwsectors;
252 hdbg.start = 0;
253 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
254 }
255 return (error);
256 break;
257 default:
258 /* XXX */
259 linux_msg(td,
260 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
261 args->fd, (int)(args->cmd & 0xffff),
262 (int)(args->cmd & 0xff00) >> 8,
263 (int)(args->cmd & 0xff));
264 break;
265 }
266 fdrop(fp, td);
267 return (ENOIOCTL);
268}
269
270static int
271linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
272{
273 cap_rights_t rights;
274 struct file *fp;
275 int error;
276 u_int sectorsize;
277 off_t mediasize;
278
279 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
280 if (error != 0)
281 return (error);
282 switch (args->cmd & 0xffff) {
283 case LINUX_BLKGETSIZE:
284 error = fo_ioctl(fp, DIOCGSECTORSIZE,
285 (caddr_t)&sectorsize, td->td_ucred, td);
286 if (!error)
287 error = fo_ioctl(fp, DIOCGMEDIASIZE,
288 (caddr_t)&mediasize, td->td_ucred, td);
289 fdrop(fp, td);
290 if (error)
291 return (error);
292 sectorsize = mediasize / sectorsize;
293 /*
294 * XXX: How do we know we return the right size of integer ?
295 */
296 return (copyout(&sectorsize, (void *)args->arg,
297 sizeof(sectorsize)));
298 break;
299 }
300 fdrop(fp, td);
301 return (ENOIOCTL);
302}
303
304/*
305 * termio related ioctls
306 */
307
308struct linux_termio {
309 unsigned short c_iflag;
310 unsigned short c_oflag;
311 unsigned short c_cflag;
312 unsigned short c_lflag;
313 unsigned char c_line;
314 unsigned char c_cc[LINUX_NCC];
315};
316
317struct linux_termios {
318 unsigned int c_iflag;
319 unsigned int c_oflag;
320 unsigned int c_cflag;
321 unsigned int c_lflag;
322 unsigned char c_line;
323 unsigned char c_cc[LINUX_NCCS];
324};
325
326struct linux_winsize {
327 unsigned short ws_row, ws_col;
328 unsigned short ws_xpixel, ws_ypixel;
329};
330
331struct speedtab {
332 int sp_speed; /* Speed. */
333 int sp_code; /* Code. */
334};
335
336static struct speedtab sptab[] = {
337 { B0, LINUX_B0 }, { B50, LINUX_B50 },
338 { B75, LINUX_B75 }, { B110, LINUX_B110 },
339 { B134, LINUX_B134 }, { B150, LINUX_B150 },
340 { B200, LINUX_B200 }, { B300, LINUX_B300 },
341 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
342 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
343 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
344 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
345 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
346 {-1, -1 }
347};
348
349struct linux_serial_struct {
350 int type;
351 int line;
352 int port;
353 int irq;
354 int flags;
355 int xmit_fifo_size;
356 int custom_divisor;
357 int baud_base;
358 unsigned short close_delay;
359 char reserved_char[2];
360 int hub6;
361 unsigned short closing_wait;
362 unsigned short closing_wait2;
363 int reserved[4];
364};
365
366static int
367linux_to_bsd_speed(int code, struct speedtab *table)
368{
369 for ( ; table->sp_code != -1; table++)
370 if (table->sp_code == code)
371 return (table->sp_speed);
372 return -1;
373}
374
375static int
376bsd_to_linux_speed(int speed, struct speedtab *table)
377{
378 for ( ; table->sp_speed != -1; table++)
379 if (table->sp_speed == speed)
380 return (table->sp_code);
381 return -1;
382}
383
384static void
385bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
386{
387 int i;
388
389#ifdef DEBUG
390 if (ldebug(ioctl)) {
391 printf("LINUX: BSD termios structure (input):\n");
392 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
393 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
394 bios->c_ispeed, bios->c_ospeed);
395 printf("c_cc ");
396 for (i=0; i<NCCS; i++)
397 printf("%02x ", bios->c_cc[i]);
398 printf("\n");
399 }
400#endif
401
402 lios->c_iflag = 0;
403 if (bios->c_iflag & IGNBRK)
404 lios->c_iflag |= LINUX_IGNBRK;
405 if (bios->c_iflag & BRKINT)
406 lios->c_iflag |= LINUX_BRKINT;
407 if (bios->c_iflag & IGNPAR)
408 lios->c_iflag |= LINUX_IGNPAR;
409 if (bios->c_iflag & PARMRK)
410 lios->c_iflag |= LINUX_PARMRK;
411 if (bios->c_iflag & INPCK)
412 lios->c_iflag |= LINUX_INPCK;
413 if (bios->c_iflag & ISTRIP)
414 lios->c_iflag |= LINUX_ISTRIP;
415 if (bios->c_iflag & INLCR)
416 lios->c_iflag |= LINUX_INLCR;
417 if (bios->c_iflag & IGNCR)
418 lios->c_iflag |= LINUX_IGNCR;
419 if (bios->c_iflag & ICRNL)
420 lios->c_iflag |= LINUX_ICRNL;
421 if (bios->c_iflag & IXON)
422 lios->c_iflag |= LINUX_IXON;
423 if (bios->c_iflag & IXANY)
424 lios->c_iflag |= LINUX_IXANY;
425 if (bios->c_iflag & IXOFF)
426 lios->c_iflag |= LINUX_IXOFF;
427 if (bios->c_iflag & IMAXBEL)
428 lios->c_iflag |= LINUX_IMAXBEL;
429
430 lios->c_oflag = 0;
431 if (bios->c_oflag & OPOST)
432 lios->c_oflag |= LINUX_OPOST;
433 if (bios->c_oflag & ONLCR)
434 lios->c_oflag |= LINUX_ONLCR;
435 if (bios->c_oflag & TAB3)
436 lios->c_oflag |= LINUX_XTABS;
437
438 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
439 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
440 if (bios->c_cflag & CSTOPB)
441 lios->c_cflag |= LINUX_CSTOPB;
442 if (bios->c_cflag & CREAD)
443 lios->c_cflag |= LINUX_CREAD;
444 if (bios->c_cflag & PARENB)
445 lios->c_cflag |= LINUX_PARENB;
446 if (bios->c_cflag & PARODD)
447 lios->c_cflag |= LINUX_PARODD;
448 if (bios->c_cflag & HUPCL)
449 lios->c_cflag |= LINUX_HUPCL;
450 if (bios->c_cflag & CLOCAL)
451 lios->c_cflag |= LINUX_CLOCAL;
452 if (bios->c_cflag & CRTSCTS)
453 lios->c_cflag |= LINUX_CRTSCTS;
454
455 lios->c_lflag = 0;
456 if (bios->c_lflag & ISIG)
457 lios->c_lflag |= LINUX_ISIG;
458 if (bios->c_lflag & ICANON)
459 lios->c_lflag |= LINUX_ICANON;
460 if (bios->c_lflag & ECHO)
461 lios->c_lflag |= LINUX_ECHO;
462 if (bios->c_lflag & ECHOE)
463 lios->c_lflag |= LINUX_ECHOE;
464 if (bios->c_lflag & ECHOK)
465 lios->c_lflag |= LINUX_ECHOK;
466 if (bios->c_lflag & ECHONL)
467 lios->c_lflag |= LINUX_ECHONL;
468 if (bios->c_lflag & NOFLSH)
469 lios->c_lflag |= LINUX_NOFLSH;
470 if (bios->c_lflag & TOSTOP)
471 lios->c_lflag |= LINUX_TOSTOP;
472 if (bios->c_lflag & ECHOCTL)
473 lios->c_lflag |= LINUX_ECHOCTL;
474 if (bios->c_lflag & ECHOPRT)
475 lios->c_lflag |= LINUX_ECHOPRT;
476 if (bios->c_lflag & ECHOKE)
477 lios->c_lflag |= LINUX_ECHOKE;
478 if (bios->c_lflag & FLUSHO)
479 lios->c_lflag |= LINUX_FLUSHO;
480 if (bios->c_lflag & PENDIN)
481 lios->c_lflag |= LINUX_PENDIN;
482 if (bios->c_lflag & IEXTEN)
483 lios->c_lflag |= LINUX_IEXTEN;
484
485 for (i=0; i<LINUX_NCCS; i++)
486 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
487 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
488 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
489 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
490 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
491 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
492 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
493 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
494 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
495 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
496 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
497 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
498 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
499 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
500 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
501 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
502 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
503
504 for (i=0; i<LINUX_NCCS; i++) {
505 if (i != LINUX_VMIN && i != LINUX_VTIME &&
506 lios->c_cc[i] == _POSIX_VDISABLE)
507 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
508 }
509 lios->c_line = 0;
510
511#ifdef DEBUG
512 if (ldebug(ioctl)) {
513 printf("LINUX: LINUX termios structure (output):\n");
514 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
515 lios->c_iflag, lios->c_oflag, lios->c_cflag,
516 lios->c_lflag, (int)lios->c_line);
517 printf("c_cc ");
518 for (i=0; i<LINUX_NCCS; i++)
519 printf("%02x ", lios->c_cc[i]);
520 printf("\n");
521 }
522#endif
523}
524
525static void
526linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
527{
528 int i;
529
530#ifdef DEBUG
531 if (ldebug(ioctl)) {
532 printf("LINUX: LINUX termios structure (input):\n");
533 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
534 lios->c_iflag, lios->c_oflag, lios->c_cflag,
535 lios->c_lflag, (int)lios->c_line);
536 printf("c_cc ");
537 for (i=0; i<LINUX_NCCS; i++)
538 printf("%02x ", lios->c_cc[i]);
539 printf("\n");
540 }
541#endif
542
543 bios->c_iflag = 0;
544 if (lios->c_iflag & LINUX_IGNBRK)
545 bios->c_iflag |= IGNBRK;
546 if (lios->c_iflag & LINUX_BRKINT)
547 bios->c_iflag |= BRKINT;
548 if (lios->c_iflag & LINUX_IGNPAR)
549 bios->c_iflag |= IGNPAR;
550 if (lios->c_iflag & LINUX_PARMRK)
551 bios->c_iflag |= PARMRK;
552 if (lios->c_iflag & LINUX_INPCK)
553 bios->c_iflag |= INPCK;
554 if (lios->c_iflag & LINUX_ISTRIP)
555 bios->c_iflag |= ISTRIP;
556 if (lios->c_iflag & LINUX_INLCR)
557 bios->c_iflag |= INLCR;
558 if (lios->c_iflag & LINUX_IGNCR)
559 bios->c_iflag |= IGNCR;
560 if (lios->c_iflag & LINUX_ICRNL)
561 bios->c_iflag |= ICRNL;
562 if (lios->c_iflag & LINUX_IXON)
563 bios->c_iflag |= IXON;
564 if (lios->c_iflag & LINUX_IXANY)
565 bios->c_iflag |= IXANY;
566 if (lios->c_iflag & LINUX_IXOFF)
567 bios->c_iflag |= IXOFF;
568 if (lios->c_iflag & LINUX_IMAXBEL)
569 bios->c_iflag |= IMAXBEL;
570
571 bios->c_oflag = 0;
572 if (lios->c_oflag & LINUX_OPOST)
573 bios->c_oflag |= OPOST;
574 if (lios->c_oflag & LINUX_ONLCR)
575 bios->c_oflag |= ONLCR;
576 if (lios->c_oflag & LINUX_XTABS)
577 bios->c_oflag |= TAB3;
578
579 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
580 if (lios->c_cflag & LINUX_CSTOPB)
581 bios->c_cflag |= CSTOPB;
582 if (lios->c_cflag & LINUX_CREAD)
583 bios->c_cflag |= CREAD;
584 if (lios->c_cflag & LINUX_PARENB)
585 bios->c_cflag |= PARENB;
586 if (lios->c_cflag & LINUX_PARODD)
587 bios->c_cflag |= PARODD;
588 if (lios->c_cflag & LINUX_HUPCL)
589 bios->c_cflag |= HUPCL;
590 if (lios->c_cflag & LINUX_CLOCAL)
591 bios->c_cflag |= CLOCAL;
592 if (lios->c_cflag & LINUX_CRTSCTS)
593 bios->c_cflag |= CRTSCTS;
594
595 bios->c_lflag = 0;
596 if (lios->c_lflag & LINUX_ISIG)
597 bios->c_lflag |= ISIG;
598 if (lios->c_lflag & LINUX_ICANON)
599 bios->c_lflag |= ICANON;
600 if (lios->c_lflag & LINUX_ECHO)
601 bios->c_lflag |= ECHO;
602 if (lios->c_lflag & LINUX_ECHOE)
603 bios->c_lflag |= ECHOE;
604 if (lios->c_lflag & LINUX_ECHOK)
605 bios->c_lflag |= ECHOK;
606 if (lios->c_lflag & LINUX_ECHONL)
607 bios->c_lflag |= ECHONL;
608 if (lios->c_lflag & LINUX_NOFLSH)
609 bios->c_lflag |= NOFLSH;
610 if (lios->c_lflag & LINUX_TOSTOP)
611 bios->c_lflag |= TOSTOP;
612 if (lios->c_lflag & LINUX_ECHOCTL)
613 bios->c_lflag |= ECHOCTL;
614 if (lios->c_lflag & LINUX_ECHOPRT)
615 bios->c_lflag |= ECHOPRT;
616 if (lios->c_lflag & LINUX_ECHOKE)
617 bios->c_lflag |= ECHOKE;
618 if (lios->c_lflag & LINUX_FLUSHO)
619 bios->c_lflag |= FLUSHO;
620 if (lios->c_lflag & LINUX_PENDIN)
621 bios->c_lflag |= PENDIN;
622 if (lios->c_lflag & LINUX_IEXTEN)
623 bios->c_lflag |= IEXTEN;
624
625 for (i=0; i<NCCS; i++)
626 bios->c_cc[i] = _POSIX_VDISABLE;
627 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
628 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
629 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
630 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
631 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
632 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
633 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
634 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
635 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
636 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
637 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
638 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
639 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
640 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
641 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
642 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
643
644 for (i=0; i<NCCS; i++) {
645 if (i != VMIN && i != VTIME &&
646 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
647 bios->c_cc[i] = _POSIX_VDISABLE;
648 }
649
650 bios->c_ispeed = bios->c_ospeed =
651 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
652
653#ifdef DEBUG
654 if (ldebug(ioctl)) {
655 printf("LINUX: BSD termios structure (output):\n");
656 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
657 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
658 bios->c_ispeed, bios->c_ospeed);
659 printf("c_cc ");
660 for (i=0; i<NCCS; i++)
661 printf("%02x ", bios->c_cc[i]);
662 printf("\n");
663 }
664#endif
665}
666
667static void
668bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
669{
670 struct linux_termios lios;
671
672 bsd_to_linux_termios(bios, &lios);
673 lio->c_iflag = lios.c_iflag;
674 lio->c_oflag = lios.c_oflag;
675 lio->c_cflag = lios.c_cflag;
676 lio->c_lflag = lios.c_lflag;
677 lio->c_line = lios.c_line;
678 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
679}
680
681static void
682linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
683{
684 struct linux_termios lios;
685 int i;
686
687 lios.c_iflag = lio->c_iflag;
688 lios.c_oflag = lio->c_oflag;
689 lios.c_cflag = lio->c_cflag;
690 lios.c_lflag = lio->c_lflag;
691 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
692 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
693 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
694 linux_to_bsd_termios(&lios, bios);
695}
696
697static int
698linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
699{
700 struct termios bios;
701 struct linux_termios lios;
702 struct linux_termio lio;
703 cap_rights_t rights;
704 struct file *fp;
705 int error;
706
707 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
708 if (error != 0)
709 return (error);
710
711 switch (args->cmd & 0xffff) {
712
713 case LINUX_TCGETS:
714 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
715 td);
716 if (error)
717 break;
718 bsd_to_linux_termios(&bios, &lios);
719 error = copyout(&lios, (void *)args->arg, sizeof(lios));
720 break;
721
722 case LINUX_TCSETS:
723 error = copyin((void *)args->arg, &lios, sizeof(lios));
724 if (error)
725 break;
726 linux_to_bsd_termios(&lios, &bios);
727 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
728 td));
729 break;
730
731 case LINUX_TCSETSW:
732 error = copyin((void *)args->arg, &lios, sizeof(lios));
733 if (error)
734 break;
735 linux_to_bsd_termios(&lios, &bios);
736 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
737 td));
738 break;
739
740 case LINUX_TCSETSF:
741 error = copyin((void *)args->arg, &lios, sizeof(lios));
742 if (error)
743 break;
744 linux_to_bsd_termios(&lios, &bios);
745 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
746 td));
747 break;
748
749 case LINUX_TCGETA:
750 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
751 td);
752 if (error)
753 break;
754 bsd_to_linux_termio(&bios, &lio);
755 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
756 break;
757
758 case LINUX_TCSETA:
759 error = copyin((void *)args->arg, &lio, sizeof(lio));
760 if (error)
761 break;
762 linux_to_bsd_termio(&lio, &bios);
763 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
764 td));
765 break;
766
767 case LINUX_TCSETAW:
768 error = copyin((void *)args->arg, &lio, sizeof(lio));
769 if (error)
770 break;
771 linux_to_bsd_termio(&lio, &bios);
772 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
773 td));
774 break;
775
776 case LINUX_TCSETAF:
777 error = copyin((void *)args->arg, &lio, sizeof(lio));
778 if (error)
779 break;
780 linux_to_bsd_termio(&lio, &bios);
781 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
782 td));
783 break;
784
785 /* LINUX_TCSBRK */
786
787 case LINUX_TCXONC: {
788 switch (args->arg) {
789 case LINUX_TCOOFF:
790 args->cmd = TIOCSTOP;
791 break;
792 case LINUX_TCOON:
793 args->cmd = TIOCSTART;
794 break;
795 case LINUX_TCIOFF:
796 case LINUX_TCION: {
797 int c;
798 struct write_args wr;
799 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
800 td->td_ucred, td);
801 if (error)
802 break;
803 fdrop(fp, td);
804 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
805 c = bios.c_cc[c];
806 if (c != _POSIX_VDISABLE) {
807 wr.fd = args->fd;
808 wr.buf = &c;
809 wr.nbyte = sizeof(c);
810 return (sys_write(td, &wr));
811 } else
812 return (0);
813 }
814 default:
815 fdrop(fp, td);
816 return (EINVAL);
817 }
818 args->arg = 0;
819 error = (sys_ioctl(td, (struct ioctl_args *)args));
820 break;
821 }
822
823 case LINUX_TCFLSH: {
824 int val;
825 switch (args->arg) {
826 case LINUX_TCIFLUSH:
827 val = FREAD;
828 break;
829 case LINUX_TCOFLUSH:
830 val = FWRITE;
831 break;
832 case LINUX_TCIOFLUSH:
833 val = FREAD | FWRITE;
834 break;
835 default:
836 fdrop(fp, td);
837 return (EINVAL);
838 }
839 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
840 break;
841 }
842
843 case LINUX_TIOCEXCL:
844 args->cmd = TIOCEXCL;
845 error = (sys_ioctl(td, (struct ioctl_args *)args));
846 break;
847
848 case LINUX_TIOCNXCL:
849 args->cmd = TIOCNXCL;
850 error = (sys_ioctl(td, (struct ioctl_args *)args));
851 break;
852
853 case LINUX_TIOCSCTTY:
854 args->cmd = TIOCSCTTY;
855 error = (sys_ioctl(td, (struct ioctl_args *)args));
856 break;
857
858 case LINUX_TIOCGPGRP:
859 args->cmd = TIOCGPGRP;
860 error = (sys_ioctl(td, (struct ioctl_args *)args));
861 break;
862
863 case LINUX_TIOCSPGRP:
864 args->cmd = TIOCSPGRP;
865 error = (sys_ioctl(td, (struct ioctl_args *)args));
866 break;
867
868 /* LINUX_TIOCOUTQ */
869 /* LINUX_TIOCSTI */
870
871 case LINUX_TIOCGWINSZ:
872 args->cmd = TIOCGWINSZ;
873 error = (sys_ioctl(td, (struct ioctl_args *)args));
874 break;
875
876 case LINUX_TIOCSWINSZ:
877 args->cmd = TIOCSWINSZ;
878 error = (sys_ioctl(td, (struct ioctl_args *)args));
879 break;
880
881 case LINUX_TIOCMGET:
882 args->cmd = TIOCMGET;
883 error = (sys_ioctl(td, (struct ioctl_args *)args));
884 break;
885
886 case LINUX_TIOCMBIS:
887 args->cmd = TIOCMBIS;
888 error = (sys_ioctl(td, (struct ioctl_args *)args));
889 break;
890
891 case LINUX_TIOCMBIC:
892 args->cmd = TIOCMBIC;
893 error = (sys_ioctl(td, (struct ioctl_args *)args));
894 break;
895
896 case LINUX_TIOCMSET:
897 args->cmd = TIOCMSET;
898 error = (sys_ioctl(td, (struct ioctl_args *)args));
899 break;
900
901 /* TIOCGSOFTCAR */
902 /* TIOCSSOFTCAR */
903
904 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
905 args->cmd = FIONREAD;
906 error = (sys_ioctl(td, (struct ioctl_args *)args));
907 break;
908
909 /* LINUX_TIOCLINUX */
910
911 case LINUX_TIOCCONS:
912 args->cmd = TIOCCONS;
913 error = (sys_ioctl(td, (struct ioctl_args *)args));
914 break;
915
916 case LINUX_TIOCGSERIAL: {
917 struct linux_serial_struct lss;
918
919 bzero(&lss, sizeof(lss));
920 lss.type = LINUX_PORT_16550A;
921 lss.flags = 0;
922 lss.close_delay = 0;
923 error = copyout(&lss, (void *)args->arg, sizeof(lss));
924 break;
925 }
926
927 case LINUX_TIOCSSERIAL: {
928 struct linux_serial_struct lss;
929 error = copyin((void *)args->arg, &lss, sizeof(lss));
930 if (error)
931 break;
932 /* XXX - It really helps to have an implementation that
933 * does nothing. NOT!
934 */
935 error = 0;
936 break;
937 }
938
939 case LINUX_TIOCPKT:
940 args->cmd = TIOCPKT;
941 error = (sys_ioctl(td, (struct ioctl_args *)args));
942 break;
943
944 case LINUX_FIONBIO:
945 args->cmd = FIONBIO;
946 error = (sys_ioctl(td, (struct ioctl_args *)args));
947 break;
948
949 case LINUX_TIOCNOTTY:
950 args->cmd = TIOCNOTTY;
951 error = (sys_ioctl(td, (struct ioctl_args *)args));
952 break;
953
954 case LINUX_TIOCSETD: {
955 int line;
956 switch (args->arg) {
957 case LINUX_N_TTY:
958 line = TTYDISC;
959 break;
960 case LINUX_N_SLIP:
961 line = SLIPDISC;
962 break;
963 case LINUX_N_PPP:
964 line = PPPDISC;
965 break;
966 default:
967 fdrop(fp, td);
968 return (EINVAL);
969 }
970 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
971 td));
972 break;
973 }
974
975 case LINUX_TIOCGETD: {
976 int linux_line;
977 int bsd_line = TTYDISC;
978 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
979 td->td_ucred, td);
980 if (error)
981 break;
982 switch (bsd_line) {
983 case TTYDISC:
984 linux_line = LINUX_N_TTY;
985 break;
986 case SLIPDISC:
987 linux_line = LINUX_N_SLIP;
988 break;
989 case PPPDISC:
990 linux_line = LINUX_N_PPP;
991 break;
992 default:
993 fdrop(fp, td);
994 return (EINVAL);
995 }
996 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
997 break;
998 }
999
1000 /* LINUX_TCSBRKP */
1001 /* LINUX_TIOCTTYGSTRUCT */
1002
1003 case LINUX_FIONCLEX:
1004 args->cmd = FIONCLEX;
1005 error = (sys_ioctl(td, (struct ioctl_args *)args));
1006 break;
1007
1008 case LINUX_FIOCLEX:
1009 args->cmd = FIOCLEX;
1010 error = (sys_ioctl(td, (struct ioctl_args *)args));
1011 break;
1012
1013 case LINUX_FIOASYNC:
1014 args->cmd = FIOASYNC;
1015 error = (sys_ioctl(td, (struct ioctl_args *)args));
1016 break;
1017
1018 /* LINUX_TIOCSERCONFIG */
1019 /* LINUX_TIOCSERGWILD */
1020 /* LINUX_TIOCSERSWILD */
1021 /* LINUX_TIOCGLCKTRMIOS */
1022 /* LINUX_TIOCSLCKTRMIOS */
1023
1024 case LINUX_TIOCSBRK:
1025 args->cmd = TIOCSBRK;
1026 error = (sys_ioctl(td, (struct ioctl_args *)args));
1027 break;
1028
1029 case LINUX_TIOCCBRK:
1030 args->cmd = TIOCCBRK;
1031 error = (sys_ioctl(td, (struct ioctl_args *)args));
1032 break;
1033 case LINUX_TIOCGPTN: {
1034 int nb;
1035
1036 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1037 if (!error)
1038 error = copyout(&nb, (void *)args->arg,
1039 sizeof(int));
1040 break;
1041 }
1042 case LINUX_TIOCSPTLCK:
1043 /* Our unlockpt() does nothing. */
1044 error = 0;
1045 break;
1046 default:
1047 error = ENOIOCTL;
1048 break;
1049 }
1050
1051 fdrop(fp, td);
1052 return (error);
1053}
1054
1055/*
1056 * CDROM related ioctls
1057 */
1058
1059struct linux_cdrom_msf
1060{
1061 u_char cdmsf_min0;
1062 u_char cdmsf_sec0;
1063 u_char cdmsf_frame0;
1064 u_char cdmsf_min1;
1065 u_char cdmsf_sec1;
1066 u_char cdmsf_frame1;
1067};
1068
1069struct linux_cdrom_tochdr
1070{
1071 u_char cdth_trk0;
1072 u_char cdth_trk1;
1073};
1074
1075union linux_cdrom_addr
1076{
1077 struct {
1078 u_char minute;
1079 u_char second;
1080 u_char frame;
1081 } msf;
1082 int lba;
1083};
1084
1085struct linux_cdrom_tocentry
1086{
1087 u_char cdte_track;
1088 u_char cdte_adr:4;
1089 u_char cdte_ctrl:4;
1090 u_char cdte_format;
1091 union linux_cdrom_addr cdte_addr;
1092 u_char cdte_datamode;
1093};
1094
1095struct linux_cdrom_subchnl
1096{
1097 u_char cdsc_format;
1098 u_char cdsc_audiostatus;
1099 u_char cdsc_adr:4;
1100 u_char cdsc_ctrl:4;
1101 u_char cdsc_trk;
1102 u_char cdsc_ind;
1103 union linux_cdrom_addr cdsc_absaddr;
1104 union linux_cdrom_addr cdsc_reladdr;
1105};
1106
1107struct l_cdrom_read_audio {
1108 union linux_cdrom_addr addr;
1109 u_char addr_format;
1110 l_int nframes;
1111 u_char *buf;
1112};
1113
1114struct l_dvd_layer {
1115 u_char book_version:4;
1116 u_char book_type:4;
1117 u_char min_rate:4;
1118 u_char disc_size:4;
1119 u_char layer_type:4;
1120 u_char track_path:1;
1121 u_char nlayers:2;
1122 u_char track_density:4;
1123 u_char linear_density:4;
1124 u_char bca:1;
1125 u_int32_t start_sector;
1126 u_int32_t end_sector;
1127 u_int32_t end_sector_l0;
1128};
1129
1130struct l_dvd_physical {
1131 u_char type;
1132 u_char layer_num;
1133 struct l_dvd_layer layer[4];
1134};
1135
1136struct l_dvd_copyright {
1137 u_char type;
1138 u_char layer_num;
1139 u_char cpst;
1140 u_char rmi;
1141};
1142
1143struct l_dvd_disckey {
1144 u_char type;
1145 l_uint agid:2;
1146 u_char value[2048];
1147};
1148
1149struct l_dvd_bca {
1150 u_char type;
1151 l_int len;
1152 u_char value[188];
1153};
1154
1155struct l_dvd_manufact {
1156 u_char type;
1157 u_char layer_num;
1158 l_int len;
1159 u_char value[2048];
1160};
1161
1162typedef union {
1163 u_char type;
1164 struct l_dvd_physical physical;
1165 struct l_dvd_copyright copyright;
1166 struct l_dvd_disckey disckey;
1167 struct l_dvd_bca bca;
1168 struct l_dvd_manufact manufact;
1169} l_dvd_struct;
1170
1171typedef u_char l_dvd_key[5];
1172typedef u_char l_dvd_challenge[10];
1173
1174struct l_dvd_lu_send_agid {
1175 u_char type;
1176 l_uint agid:2;
1177};
1178
1179struct l_dvd_host_send_challenge {
1180 u_char type;
1181 l_uint agid:2;
1182 l_dvd_challenge chal;
1183};
1184
1185struct l_dvd_send_key {
1186 u_char type;
1187 l_uint agid:2;
1188 l_dvd_key key;
1189};
1190
1191struct l_dvd_lu_send_challenge {
1192 u_char type;
1193 l_uint agid:2;
1194 l_dvd_challenge chal;
1195};
1196
1197struct l_dvd_lu_send_title_key {
1198 u_char type;
1199 l_uint agid:2;
1200 l_dvd_key title_key;
1201 l_int lba;
1202 l_uint cpm:1;
1203 l_uint cp_sec:1;
1204 l_uint cgms:2;
1205};
1206
1207struct l_dvd_lu_send_asf {
1208 u_char type;
1209 l_uint agid:2;
1210 l_uint asf:1;
1211};
1212
1213struct l_dvd_host_send_rpcstate {
1214 u_char type;
1215 u_char pdrc;
1216};
1217
1218struct l_dvd_lu_send_rpcstate {
1219 u_char type:2;
1220 u_char vra:3;
1221 u_char ucca:3;
1222 u_char region_mask;
1223 u_char rpc_scheme;
1224};
1225
1226typedef union {
1227 u_char type;
1228 struct l_dvd_lu_send_agid lsa;
1229 struct l_dvd_host_send_challenge hsc;
1230 struct l_dvd_send_key lsk;
1231 struct l_dvd_lu_send_challenge lsc;
1232 struct l_dvd_send_key hsk;
1233 struct l_dvd_lu_send_title_key lstk;
1234 struct l_dvd_lu_send_asf lsasf;
1235 struct l_dvd_host_send_rpcstate hrpcs;
1236 struct l_dvd_lu_send_rpcstate lrpcs;
1237} l_dvd_authinfo;
1238
1239static void
1240bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1241{
1242 if (af == CD_LBA_FORMAT)
1243 lp->lba = bp->lba;
1244 else {
1245 lp->msf.minute = bp->msf.minute;
1246 lp->msf.second = bp->msf.second;
1247 lp->msf.frame = bp->msf.frame;
1248 }
1249}
1250
1251static void
1252set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1253{
1254 if (format == LINUX_CDROM_MSF) {
1255 addr->msf.frame = lba % 75;
1256 lba /= 75;
1257 lba += 2;
1258 addr->msf.second = lba % 60;
1259 addr->msf.minute = lba / 60;
1260 } else
1261 addr->lba = lba;
1262}
1263
1264static int
1265linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1266{
1267 bp->format = lp->type;
1268 switch (bp->format) {
1269 case DVD_STRUCT_PHYSICAL:
1270 if (bp->layer_num >= 4)
1271 return (EINVAL);
1272 bp->layer_num = lp->physical.layer_num;
1273 break;
1274 case DVD_STRUCT_COPYRIGHT:
1275 bp->layer_num = lp->copyright.layer_num;
1276 break;
1277 case DVD_STRUCT_DISCKEY:
1278 bp->agid = lp->disckey.agid;
1279 break;
1280 case DVD_STRUCT_BCA:
1281 case DVD_STRUCT_MANUFACT:
1282 break;
1283 default:
1284 return (EINVAL);
1285 }
1286 return (0);
1287}
1288
1289static int
1290bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1291{
1292 switch (bp->format) {
1293 case DVD_STRUCT_PHYSICAL: {
1294 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1295 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1296 memset(llp, 0, sizeof(*llp));
1297 llp->book_version = blp->book_version;
1298 llp->book_type = blp->book_type;
1299 llp->min_rate = blp->max_rate;
1300 llp->disc_size = blp->disc_size;
1301 llp->layer_type = blp->layer_type;
1302 llp->track_path = blp->track_path;
1303 llp->nlayers = blp->nlayers;
1304 llp->track_density = blp->track_density;
1305 llp->linear_density = blp->linear_density;
1306 llp->bca = blp->bca;
1307 llp->start_sector = blp->start_sector;
1308 llp->end_sector = blp->end_sector;
1309 llp->end_sector_l0 = blp->end_sector_l0;
1310 break;
1311 }
1312 case DVD_STRUCT_COPYRIGHT:
1313 lp->copyright.cpst = bp->cpst;
1314 lp->copyright.rmi = bp->rmi;
1315 break;
1316 case DVD_STRUCT_DISCKEY:
1317 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1318 break;
1319 case DVD_STRUCT_BCA:
1320 lp->bca.len = bp->length;
1321 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1322 break;
1323 case DVD_STRUCT_MANUFACT:
1324 lp->manufact.len = bp->length;
1325 memcpy(lp->manufact.value, bp->data,
1326 sizeof(lp->manufact.value));
1327 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */
1328 break;
1329 default:
1330 return (EINVAL);
1331 }
1332 return (0);
1333}
1334
1335static int
1336linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1337 struct dvd_authinfo *bp)
1338{
1339 switch (lp->type) {
1340 case LINUX_DVD_LU_SEND_AGID:
1341 *bcode = DVDIOCREPORTKEY;
1342 bp->format = DVD_REPORT_AGID;
1343 bp->agid = lp->lsa.agid;
1344 break;
1345 case LINUX_DVD_HOST_SEND_CHALLENGE:
1346 *bcode = DVDIOCSENDKEY;
1347 bp->format = DVD_SEND_CHALLENGE;
1348 bp->agid = lp->hsc.agid;
1349 memcpy(bp->keychal, lp->hsc.chal, 10);
1350 break;
1351 case LINUX_DVD_LU_SEND_KEY1:
1352 *bcode = DVDIOCREPORTKEY;
1353 bp->format = DVD_REPORT_KEY1;
1354 bp->agid = lp->lsk.agid;
1355 break;
1356 case LINUX_DVD_LU_SEND_CHALLENGE:
1357 *bcode = DVDIOCREPORTKEY;
1358 bp->format = DVD_REPORT_CHALLENGE;
1359 bp->agid = lp->lsc.agid;
1360 break;
1361 case LINUX_DVD_HOST_SEND_KEY2:
1362 *bcode = DVDIOCSENDKEY;
1363 bp->format = DVD_SEND_KEY2;
1364 bp->agid = lp->hsk.agid;
1365 memcpy(bp->keychal, lp->hsk.key, 5);
1366 break;
1367 case LINUX_DVD_LU_SEND_TITLE_KEY:
1368 *bcode = DVDIOCREPORTKEY;
1369 bp->format = DVD_REPORT_TITLE_KEY;
1370 bp->agid = lp->lstk.agid;
1371 bp->lba = lp->lstk.lba;
1372 break;
1373 case LINUX_DVD_LU_SEND_ASF:
1374 *bcode = DVDIOCREPORTKEY;
1375 bp->format = DVD_REPORT_ASF;
1376 bp->agid = lp->lsasf.agid;
1377 break;
1378 case LINUX_DVD_INVALIDATE_AGID:
1379 *bcode = DVDIOCREPORTKEY;
1380 bp->format = DVD_INVALIDATE_AGID;
1381 bp->agid = lp->lsa.agid;
1382 break;
1383 case LINUX_DVD_LU_SEND_RPC_STATE:
1384 *bcode = DVDIOCREPORTKEY;
1385 bp->format = DVD_REPORT_RPC;
1386 break;
1387 case LINUX_DVD_HOST_SEND_RPC_STATE:
1388 *bcode = DVDIOCSENDKEY;
1389 bp->format = DVD_SEND_RPC;
1390 bp->region = lp->hrpcs.pdrc;
1391 break;
1392 default:
1393 return (EINVAL);
1394 }
1395 return (0);
1396}
1397
1398static int
1399bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1400{
1401 switch (lp->type) {
1402 case LINUX_DVD_LU_SEND_AGID:
1403 lp->lsa.agid = bp->agid;
1404 break;
1405 case LINUX_DVD_HOST_SEND_CHALLENGE:
1406 lp->type = LINUX_DVD_LU_SEND_KEY1;
1407 break;
1408 case LINUX_DVD_LU_SEND_KEY1:
1409 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1410 break;
1411 case LINUX_DVD_LU_SEND_CHALLENGE:
1412 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1413 break;
1414 case LINUX_DVD_HOST_SEND_KEY2:
1415 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1416 break;
1417 case LINUX_DVD_LU_SEND_TITLE_KEY:
1418 memcpy(lp->lstk.title_key, bp->keychal,
1419 sizeof(lp->lstk.title_key));
1420 lp->lstk.cpm = bp->cpm;
1421 lp->lstk.cp_sec = bp->cp_sec;
1422 lp->lstk.cgms = bp->cgms;
1423 break;
1424 case LINUX_DVD_LU_SEND_ASF:
1425 lp->lsasf.asf = bp->asf;
1426 break;
1427 case LINUX_DVD_INVALIDATE_AGID:
1428 break;
1429 case LINUX_DVD_LU_SEND_RPC_STATE:
1430 lp->lrpcs.type = bp->reg_type;
1431 lp->lrpcs.vra = bp->vend_rsts;
1432 lp->lrpcs.ucca = bp->user_rsts;
1433 lp->lrpcs.region_mask = bp->region;
1434 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1435 break;
1436 case LINUX_DVD_HOST_SEND_RPC_STATE:
1437 break;
1438 default:
1439 return (EINVAL);
1440 }
1441 return (0);
1442}
1443
1444static int
1445linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1446{
1447 cap_rights_t rights;
1448 struct file *fp;
1449 int error;
1450
1451 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
1452 if (error != 0)
1453 return (error);
1454 switch (args->cmd & 0xffff) {
1455
1456 case LINUX_CDROMPAUSE:
1457 args->cmd = CDIOCPAUSE;
1458 error = (sys_ioctl(td, (struct ioctl_args *)args));
1459 break;
1460
1461 case LINUX_CDROMRESUME:
1462 args->cmd = CDIOCRESUME;
1463 error = (sys_ioctl(td, (struct ioctl_args *)args));
1464 break;
1465
1466 case LINUX_CDROMPLAYMSF:
1467 args->cmd = CDIOCPLAYMSF;
1468 error = (sys_ioctl(td, (struct ioctl_args *)args));
1469 break;
1470
1471 case LINUX_CDROMPLAYTRKIND:
1472 args->cmd = CDIOCPLAYTRACKS;
1473 error = (sys_ioctl(td, (struct ioctl_args *)args));
1474 break;
1475
1476 case LINUX_CDROMREADTOCHDR: {
1477 struct ioc_toc_header th;
1478 struct linux_cdrom_tochdr lth;
1479 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1480 td->td_ucred, td);
1481 if (!error) {
1482 lth.cdth_trk0 = th.starting_track;
1483 lth.cdth_trk1 = th.ending_track;
1484 copyout(&lth, (void *)args->arg, sizeof(lth));
1485 }
1486 break;
1487 }
1488
1489 case LINUX_CDROMREADTOCENTRY: {
1490 struct linux_cdrom_tocentry lte;
1491 struct ioc_read_toc_single_entry irtse;
1492
1493 error = copyin((void *)args->arg, &lte, sizeof(lte));
1494 if (error)
1495 break;
1496 irtse.address_format = lte.cdte_format;
1497 irtse.track = lte.cdte_track;
1498 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1499 td->td_ucred, td);
1500 if (!error) {
1501 lte.cdte_ctrl = irtse.entry.control;
1502 lte.cdte_adr = irtse.entry.addr_type;
1503 bsd_to_linux_msf_lba(irtse.address_format,
1504 &irtse.entry.addr, &lte.cdte_addr);
1505 error = copyout(&lte, (void *)args->arg, sizeof(lte));
1506 }
1507 break;
1508 }
1509
1510 case LINUX_CDROMSTOP:
1511 args->cmd = CDIOCSTOP;
1512 error = (sys_ioctl(td, (struct ioctl_args *)args));
1513 break;
1514
1515 case LINUX_CDROMSTART:
1516 args->cmd = CDIOCSTART;
1517 error = (sys_ioctl(td, (struct ioctl_args *)args));
1518 break;
1519
1520 case LINUX_CDROMEJECT:
1521 args->cmd = CDIOCEJECT;
1522 error = (sys_ioctl(td, (struct ioctl_args *)args));
1523 break;
1524
1525 /* LINUX_CDROMVOLCTRL */
1526
1527 case LINUX_CDROMSUBCHNL: {
1528 struct linux_cdrom_subchnl sc;
1529 struct ioc_read_subchannel bsdsc;
1530 struct cd_sub_channel_info bsdinfo;
1531
1532 bsdsc.address_format = CD_LBA_FORMAT;
1533 bsdsc.data_format = CD_CURRENT_POSITION;
1534 bsdsc.track = 0;
1535 bsdsc.data_len = sizeof(bsdinfo);
1536 bsdsc.data = &bsdinfo;
1537 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE,
1538 (caddr_t)&bsdsc, td->td_ucred, td);
1539 if (error)
1540 break;
1541 error = copyin((void *)args->arg, &sc, sizeof(sc));
1542 if (error)
1543 break;
1544 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1545 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1546 sc.cdsc_ctrl = bsdinfo.what.position.control;
1547 sc.cdsc_trk = bsdinfo.what.position.track_number;
1548 sc.cdsc_ind = bsdinfo.what.position.index_number;
1549 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1550 bsdinfo.what.position.absaddr.lba);
1551 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1552 bsdinfo.what.position.reladdr.lba);
1553 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1554 break;
1555 }
1556
1557 /* LINUX_CDROMREADMODE2 */
1558 /* LINUX_CDROMREADMODE1 */
1559 /* LINUX_CDROMREADAUDIO */
1560 /* LINUX_CDROMEJECT_SW */
1561 /* LINUX_CDROMMULTISESSION */
1562 /* LINUX_CDROM_GET_UPC */
1563
1564 case LINUX_CDROMRESET:
1565 args->cmd = CDIOCRESET;
1566 error = (sys_ioctl(td, (struct ioctl_args *)args));
1567 break;
1568
1569 /* LINUX_CDROMVOLREAD */
1570 /* LINUX_CDROMREADRAW */
1571 /* LINUX_CDROMREADCOOKED */
1572 /* LINUX_CDROMSEEK */
1573 /* LINUX_CDROMPLAYBLK */
1574 /* LINUX_CDROMREADALL */
1575 /* LINUX_CDROMCLOSETRAY */
1576 /* LINUX_CDROMLOADFROMSLOT */
1577 /* LINUX_CDROMGETSPINDOWN */
1578 /* LINUX_CDROMSETSPINDOWN */
1579 /* LINUX_CDROM_SET_OPTIONS */
1580 /* LINUX_CDROM_CLEAR_OPTIONS */
1581 /* LINUX_CDROM_SELECT_SPEED */
1582 /* LINUX_CDROM_SELECT_DISC */
1583 /* LINUX_CDROM_MEDIA_CHANGED */
1584 /* LINUX_CDROM_DRIVE_STATUS */
1585 /* LINUX_CDROM_DISC_STATUS */
1586 /* LINUX_CDROM_CHANGER_NSLOTS */
1587 /* LINUX_CDROM_LOCKDOOR */
1588 /* LINUX_CDROM_DEBUG */
1589 /* LINUX_CDROM_GET_CAPABILITY */
1590 /* LINUX_CDROMAUDIOBUFSIZ */
1591
1592 case LINUX_DVD_READ_STRUCT: {
1593 l_dvd_struct *lds;
1594 struct dvd_struct *bds;
1595
1596 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1597 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1598 error = copyin((void *)args->arg, lds, sizeof(*lds));
1599 if (error)
1600 goto out;
1601 error = linux_to_bsd_dvd_struct(lds, bds);
1602 if (error)
1603 goto out;
1604 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1605 td->td_ucred, td);
1606 if (error)
1607 goto out;
1608 error = bsd_to_linux_dvd_struct(bds, lds);
1609 if (error)
1610 goto out;
1611 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1612 out:
1613 free(bds, M_LINUX);
1614 free(lds, M_LINUX);
1615 break;
1616 }
1617
1618 /* LINUX_DVD_WRITE_STRUCT */
1619
1620 case LINUX_DVD_AUTH: {
1621 l_dvd_authinfo lda;
1622 struct dvd_authinfo bda;
1623 int bcode;
1624
1625 error = copyin((void *)args->arg, &lda, sizeof(lda));
1626 if (error)
1627 break;
1628 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1629 if (error)
1630 break;
1631 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1632 td);
1633 if (error) {
1634 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1635 lda.type = LINUX_DVD_AUTH_FAILURE;
1636 copyout(&lda, (void *)args->arg, sizeof(lda));
1637 }
1638 break;
1639 }
1640 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1641 if (error)
1642 break;
1643 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1644 break;
1645 }
1646
1647 case LINUX_SCSI_GET_BUS_NUMBER:
1648 {
1649 struct sg_scsi_id id;
1650
1651 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1652 td->td_ucred, td);
1653 if (error)
1654 break;
1655 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1656 break;
1657 }
1658
1659 case LINUX_SCSI_GET_IDLUN:
1660 {
1661 struct sg_scsi_id id;
1662 struct scsi_idlun idl;
1663
1664 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1665 td->td_ucred, td);
1666 if (error)
1667 break;
1668 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1669 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1670 idl.host_unique_id = id.host_no;
1671 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1672 break;
1673 }
1674
1675 /* LINUX_CDROM_SEND_PACKET */
1676 /* LINUX_CDROM_NEXT_WRITABLE */
1677 /* LINUX_CDROM_LAST_WRITTEN */
1678
1679 default:
1680 error = ENOIOCTL;
1681 break;
1682 }
1683
1684 fdrop(fp, td);
1685 return (error);
1686}
1687
1688static int
1689linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1690{
1691
1692 return (ENOTTY);
1693}
1694
1695/*
1696 * Sound related ioctls
1697 */
1698
1699struct linux_old_mixer_info {
1700 char id[16];
1701 char name[32];
1702};
1703
1704static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1705
1706#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1707
1708static int
1709linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1710{
1711
1712 switch (args->cmd & 0xffff) {
1713
1714 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1716 return (sys_ioctl(td, (struct ioctl_args *)args));
1717
1718 case LINUX_SOUND_MIXER_WRITE_BASS:
1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1720 return (sys_ioctl(td, (struct ioctl_args *)args));
1721
1722 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1724 return (sys_ioctl(td, (struct ioctl_args *)args));
1725
1726 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1728 return (sys_ioctl(td, (struct ioctl_args *)args));
1729
1730 case LINUX_SOUND_MIXER_WRITE_PCM:
1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1732 return (sys_ioctl(td, (struct ioctl_args *)args));
1733
1734 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1736 return (sys_ioctl(td, (struct ioctl_args *)args));
1737
1738 case LINUX_SOUND_MIXER_WRITE_LINE:
1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1740 return (sys_ioctl(td, (struct ioctl_args *)args));
1741
1742 case LINUX_SOUND_MIXER_WRITE_MIC:
1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1744 return (sys_ioctl(td, (struct ioctl_args *)args));
1745
1746 case LINUX_SOUND_MIXER_WRITE_CD:
1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1748 return (sys_ioctl(td, (struct ioctl_args *)args));
1749
1750 case LINUX_SOUND_MIXER_WRITE_IMIX:
1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1752 return (sys_ioctl(td, (struct ioctl_args *)args));
1753
1754 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1756 return (sys_ioctl(td, (struct ioctl_args *)args));
1757
1758 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1760 return (sys_ioctl(td, (struct ioctl_args *)args));
1761
1762 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1764 return (sys_ioctl(td, (struct ioctl_args *)args));
1765
1766 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1767 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1768 return (sys_ioctl(td, (struct ioctl_args *)args));
1769
1770 case LINUX_SOUND_MIXER_WRITE_LINE1:
1771 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1772 return (sys_ioctl(td, (struct ioctl_args *)args));
1773
1774 case LINUX_SOUND_MIXER_WRITE_LINE2:
1775 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1776 return (sys_ioctl(td, (struct ioctl_args *)args));
1777
1778 case LINUX_SOUND_MIXER_WRITE_LINE3:
1779 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1780 return (sys_ioctl(td, (struct ioctl_args *)args));
1781
1782 case LINUX_SOUND_MIXER_INFO: {
1783 /* Key on encoded length */
1784 switch ((args->cmd >> 16) & 0x1fff) {
1785 case 0x005c: { /* SOUND_MIXER_INFO */
1786 args->cmd = SOUND_MIXER_INFO;
1787 return (sys_ioctl(td, (struct ioctl_args *)args));
1788 }
1789 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1790 struct linux_old_mixer_info info;
1791 bzero(&info, sizeof(info));
1792 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1793 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1794 copyout(&info, (void *)args->arg, sizeof(info));
1795 return (0);
1796 }
1797 default:
1798 return (ENOIOCTL);
1799 }
1800 break;
1801 }
1802
1803 case LINUX_OSS_GETVERSION: {
1804 int version = linux_get_oss_version(td);
1805 return (copyout(&version, (void *)args->arg, sizeof(int)));
1806 }
1807
1808 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1809 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1810 return (sys_ioctl(td, (struct ioctl_args *)args));
1811
1812 case LINUX_SOUND_MIXER_READ_CAPS:
1813 args->cmd = SOUND_MIXER_READ_CAPS;
1814 return (sys_ioctl(td, (struct ioctl_args *)args));
1815
1816 case LINUX_SOUND_MIXER_READ_RECMASK:
1817 args->cmd = SOUND_MIXER_READ_RECMASK;
1818 return (sys_ioctl(td, (struct ioctl_args *)args));
1819
1820 case LINUX_SOUND_MIXER_READ_DEVMASK:
1821 args->cmd = SOUND_MIXER_READ_DEVMASK;
1822 return (sys_ioctl(td, (struct ioctl_args *)args));
1823
1824 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1825 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1826 return (sys_ioctl(td, (struct ioctl_args *)args));
1827
1828 case LINUX_SNDCTL_DSP_RESET:
1829 args->cmd = SNDCTL_DSP_RESET;
1830 return (sys_ioctl(td, (struct ioctl_args *)args));
1831
1832 case LINUX_SNDCTL_DSP_SYNC:
1833 args->cmd = SNDCTL_DSP_SYNC;
1834 return (sys_ioctl(td, (struct ioctl_args *)args));
1835
1836 case LINUX_SNDCTL_DSP_SPEED:
1837 args->cmd = SNDCTL_DSP_SPEED;
1838 return (sys_ioctl(td, (struct ioctl_args *)args));
1839
1840 case LINUX_SNDCTL_DSP_STEREO:
1841 args->cmd = SNDCTL_DSP_STEREO;
1842 return (sys_ioctl(td, (struct ioctl_args *)args));
1843
1844 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1845 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1846 return (sys_ioctl(td, (struct ioctl_args *)args));
1847
1848 case LINUX_SNDCTL_DSP_SETFMT:
1849 args->cmd = SNDCTL_DSP_SETFMT;
1850 return (sys_ioctl(td, (struct ioctl_args *)args));
1851
1852 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1853 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1854 return (sys_ioctl(td, (struct ioctl_args *)args));
1855
1856 case LINUX_SOUND_PCM_WRITE_FILTER:
1857 args->cmd = SOUND_PCM_WRITE_FILTER;
1858 return (sys_ioctl(td, (struct ioctl_args *)args));
1859
1860 case LINUX_SNDCTL_DSP_POST:
1861 args->cmd = SNDCTL_DSP_POST;
1862 return (sys_ioctl(td, (struct ioctl_args *)args));
1863
1864 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1865 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1866 return (sys_ioctl(td, (struct ioctl_args *)args));
1867
1868 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1869 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1870 return (sys_ioctl(td, (struct ioctl_args *)args));
1871
1872 case LINUX_SNDCTL_DSP_GETFMTS:
1873 args->cmd = SNDCTL_DSP_GETFMTS;
1874 return (sys_ioctl(td, (struct ioctl_args *)args));
1875
1876 case LINUX_SNDCTL_DSP_GETOSPACE:
1877 args->cmd = SNDCTL_DSP_GETOSPACE;
1878 return (sys_ioctl(td, (struct ioctl_args *)args));
1879
1880 case LINUX_SNDCTL_DSP_GETISPACE:
1881 args->cmd = SNDCTL_DSP_GETISPACE;
1882 return (sys_ioctl(td, (struct ioctl_args *)args));
1883
1884 case LINUX_SNDCTL_DSP_NONBLOCK:
1885 args->cmd = SNDCTL_DSP_NONBLOCK;
1886 return (sys_ioctl(td, (struct ioctl_args *)args));
1887
1888 case LINUX_SNDCTL_DSP_GETCAPS:
1889 args->cmd = SNDCTL_DSP_GETCAPS;
1890 return (sys_ioctl(td, (struct ioctl_args *)args));
1891
1892 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1893 args->cmd = SNDCTL_DSP_SETTRIGGER;
1894 return (sys_ioctl(td, (struct ioctl_args *)args));
1895
1896 case LINUX_SNDCTL_DSP_GETIPTR:
1897 args->cmd = SNDCTL_DSP_GETIPTR;
1898 return (sys_ioctl(td, (struct ioctl_args *)args));
1899
1900 case LINUX_SNDCTL_DSP_GETOPTR:
1901 args->cmd = SNDCTL_DSP_GETOPTR;
1902 return (sys_ioctl(td, (struct ioctl_args *)args));
1903
1904 case LINUX_SNDCTL_DSP_SETDUPLEX:
1905 args->cmd = SNDCTL_DSP_SETDUPLEX;
1906 return (sys_ioctl(td, (struct ioctl_args *)args));
1907
1908 case LINUX_SNDCTL_DSP_GETODELAY:
1909 args->cmd = SNDCTL_DSP_GETODELAY;
1910 return (sys_ioctl(td, (struct ioctl_args *)args));
1911
1912 case LINUX_SNDCTL_SEQ_RESET:
1913 args->cmd = SNDCTL_SEQ_RESET;
1914 return (sys_ioctl(td, (struct ioctl_args *)args));
1915
1916 case LINUX_SNDCTL_SEQ_SYNC:
1917 args->cmd = SNDCTL_SEQ_SYNC;
1918 return (sys_ioctl(td, (struct ioctl_args *)args));
1919
1920 case LINUX_SNDCTL_SYNTH_INFO:
1921 args->cmd = SNDCTL_SYNTH_INFO;
1922 return (sys_ioctl(td, (struct ioctl_args *)args));
1923
1924 case LINUX_SNDCTL_SEQ_CTRLRATE:
1925 args->cmd = SNDCTL_SEQ_CTRLRATE;
1926 return (sys_ioctl(td, (struct ioctl_args *)args));
1927
1928 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1929 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1930 return (sys_ioctl(td, (struct ioctl_args *)args));
1931
1932 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1933 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1934 return (sys_ioctl(td, (struct ioctl_args *)args));
1935
1936 case LINUX_SNDCTL_SEQ_PERCMODE:
1937 args->cmd = SNDCTL_SEQ_PERCMODE;
1938 return (sys_ioctl(td, (struct ioctl_args *)args));
1939
1940 case LINUX_SNDCTL_FM_LOAD_INSTR:
1941 args->cmd = SNDCTL_FM_LOAD_INSTR;
1942 return (sys_ioctl(td, (struct ioctl_args *)args));
1943
1944 case LINUX_SNDCTL_SEQ_TESTMIDI:
1945 args->cmd = SNDCTL_SEQ_TESTMIDI;
1946 return (sys_ioctl(td, (struct ioctl_args *)args));
1947
1948 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1949 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1950 return (sys_ioctl(td, (struct ioctl_args *)args));
1951
1952 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1953 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1954 return (sys_ioctl(td, (struct ioctl_args *)args));
1955
1956 case LINUX_SNDCTL_SEQ_NRMIDIS:
1957 args->cmd = SNDCTL_SEQ_NRMIDIS;
1958 return (sys_ioctl(td, (struct ioctl_args *)args));
1959
1960 case LINUX_SNDCTL_MIDI_INFO:
1961 args->cmd = SNDCTL_MIDI_INFO;
1962 return (sys_ioctl(td, (struct ioctl_args *)args));
1963
1964 case LINUX_SNDCTL_SEQ_TRESHOLD:
1965 args->cmd = SNDCTL_SEQ_TRESHOLD;
1966 return (sys_ioctl(td, (struct ioctl_args *)args));
1967
1968 case LINUX_SNDCTL_SYNTH_MEMAVL:
1969 args->cmd = SNDCTL_SYNTH_MEMAVL;
1970 return (sys_ioctl(td, (struct ioctl_args *)args));
1971
1972 }
1973
1974 return (ENOIOCTL);
1975}
1976
1977/*
1978 * Console related ioctls
1979 */
1980
1981static int
1982linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1983{
1984 cap_rights_t rights;
1985 struct file *fp;
1986 int error;
1987
1988 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
1989 if (error != 0)
1990 return (error);
1991 switch (args->cmd & 0xffff) {
1992
1993 case LINUX_KIOCSOUND:
1994 args->cmd = KIOCSOUND;
1995 error = (sys_ioctl(td, (struct ioctl_args *)args));
1996 break;
1997
1998 case LINUX_KDMKTONE:
1999 args->cmd = KDMKTONE;
2000 error = (sys_ioctl(td, (struct ioctl_args *)args));
2001 break;
2002
2003 case LINUX_KDGETLED:
2004 args->cmd = KDGETLED;
2005 error = (sys_ioctl(td, (struct ioctl_args *)args));
2006 break;
2007
2008 case LINUX_KDSETLED:
2009 args->cmd = KDSETLED;
2010 error = (sys_ioctl(td, (struct ioctl_args *)args));
2011 break;
2012
2013 case LINUX_KDSETMODE:
2014 args->cmd = KDSETMODE;
2015 error = (sys_ioctl(td, (struct ioctl_args *)args));
2016 break;
2017
2018 case LINUX_KDGETMODE:
2019 args->cmd = KDGETMODE;
2020 error = (sys_ioctl(td, (struct ioctl_args *)args));
2021 break;
2022
2023 case LINUX_KDGKBMODE:
2024 args->cmd = KDGKBMODE;
2025 error = (sys_ioctl(td, (struct ioctl_args *)args));
2026 break;
2027
2028 case LINUX_KDSKBMODE: {
2029 int kbdmode;
2030 switch (args->arg) {
2031 case LINUX_KBD_RAW:
2032 kbdmode = K_RAW;
2033 break;
2034 case LINUX_KBD_XLATE:
2035 kbdmode = K_XLATE;
2036 break;
2037 case LINUX_KBD_MEDIUMRAW:
2038 kbdmode = K_RAW;
2039 break;
2040 default:
2041 fdrop(fp, td);
2042 return (EINVAL);
2043 }
2044 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2045 td->td_ucred, td));
2046 break;
2047 }
2048
2049 case LINUX_VT_OPENQRY:
2050 args->cmd = VT_OPENQRY;
2051 error = (sys_ioctl(td, (struct ioctl_args *)args));
2052 break;
2053
2054 case LINUX_VT_GETMODE:
2055 args->cmd = VT_GETMODE;
2056 error = (sys_ioctl(td, (struct ioctl_args *)args));
2057 break;
2058
2059 case LINUX_VT_SETMODE: {
2060 struct vt_mode mode;
2061 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2062 break;
2063 if (LINUX_SIG_VALID(mode.relsig))
2064 mode.relsig = linux_to_bsd_signal(mode.relsig);
2065 else
2066 mode.relsig = 0;
2067 if (LINUX_SIG_VALID(mode.acqsig))
2068 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2069 else
2070 mode.acqsig = 0;
2071 /* XXX. Linux ignores frsig and set it to 0. */
2072 mode.frsig = 0;
2073 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2074 break;
2075 args->cmd = VT_SETMODE;
2076 error = (sys_ioctl(td, (struct ioctl_args *)args));
2077 break;
2078 }
2079
2080 case LINUX_VT_GETSTATE:
2081 args->cmd = VT_GETACTIVE;
2082 error = (sys_ioctl(td, (struct ioctl_args *)args));
2083 break;
2084
2085 case LINUX_VT_RELDISP:
2086 args->cmd = VT_RELDISP;
2087 error = (sys_ioctl(td, (struct ioctl_args *)args));
2088 break;
2089
2090 case LINUX_VT_ACTIVATE:
2091 args->cmd = VT_ACTIVATE;
2092 error = (sys_ioctl(td, (struct ioctl_args *)args));
2093 break;
2094
2095 case LINUX_VT_WAITACTIVE:
2096 args->cmd = VT_WAITACTIVE;
2097 error = (sys_ioctl(td, (struct ioctl_args *)args));
2098 break;
2099
2100 default:
2101 error = ENOIOCTL;
2102 break;
2103 }
2104
2105 fdrop(fp, td);
2106 return (error);
2107}
2108
2109/*
2110 * Criteria for interface name translation
2111 */
2112#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
2113
2114/*
2115 * Translate a Linux interface name to a FreeBSD interface name,
2116 * and return the associated ifnet structure
2117 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
2118 * can point to the same buffer.
2119 */
2120
2121static struct ifnet *
2122ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname)
2123{
2124 struct ifnet *ifp;
2125 int len, unit;
2126 char *ep;
2127 int is_eth, index;
2128
2129 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
2130 if (!isalpha(lxname[len]))
2131 break;
2132 if (len == 0 || len == LINUX_IFNAMSIZ)
2133 return (NULL);
2134 unit = (int)strtoul(lxname + len, &ep, 10);
2135 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
2136 return (NULL);
2137 index = 0;
2138 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
2139 CURVNET_SET(TD_TO_VNET(td));
2140 IFNET_RLOCK();
2141 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2142 /*
2143 * Allow Linux programs to use FreeBSD names. Don't presume
2144 * we never have an interface named "eth", so don't make
2145 * the test optional based on is_eth.
2146 */
2147 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
2148 break;
2149 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
2150 break;
2151 }
2152 IFNET_RUNLOCK();
2153 CURVNET_RESTORE();
2154 if (ifp != NULL)
2155 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
2156 return (ifp);
2157}
2158
2159/*
2160 * Implement the SIOCGIFCONF ioctl
2161 */
2162
2163static int
2164linux_ifconf(struct thread *td, struct ifconf *uifc)
2165{
2166#ifdef COMPAT_LINUX32
2167 struct l_ifconf ifc;
2168#else
2169 struct ifconf ifc;
2170#endif
2171 struct l_ifreq ifr;
2172 struct ifnet *ifp;
2173 struct ifaddr *ifa;
2174 struct sbuf *sb;
2175 int error, ethno, full = 0, valid_len, max_len;
2176
2177 error = copyin(uifc, &ifc, sizeof(ifc));
2178 if (error != 0)
2179 return (error);
2180
2181 max_len = MAXPHYS - 1;
2182
2183 CURVNET_SET(TD_TO_VNET(td));
2184 /* handle the 'request buffer size' case */
2185 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) {
2186 ifc.ifc_len = 0;
2187 IFNET_RLOCK();
2188 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2189 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2190 struct sockaddr *sa = ifa->ifa_addr;
2191 if (sa->sa_family == AF_INET)
2192 ifc.ifc_len += sizeof(ifr);
2193 }
2194 }
2195 IFNET_RUNLOCK();
2196 error = copyout(&ifc, uifc, sizeof(ifc));
2197 CURVNET_RESTORE();
2198 return (error);
2199 }
2200
2201 if (ifc.ifc_len <= 0) {
2202 CURVNET_RESTORE();
2203 return (EINVAL);
2204 }
2205
2206again:
2207 /* Keep track of eth interfaces */
2208 ethno = 0;
2209 if (ifc.ifc_len <= max_len) {
2210 max_len = ifc.ifc_len;
2211 full = 1;
2212 }
2213 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2214 max_len = 0;
2215 valid_len = 0;
2216
2217 /* Return all AF_INET addresses of all interfaces */
2218 IFNET_RLOCK();
2219 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2220 int addrs = 0;
2221
2222 bzero(&ifr, sizeof(ifr));
2223 if (IFP_IS_ETH(ifp))
2224 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2225 ethno++);
2226 else
2227 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2228
2229 /* Walk the address list */
2230 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2231 struct sockaddr *sa = ifa->ifa_addr;
2232
2233 if (sa->sa_family == AF_INET) {
2234 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2235 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2236 sizeof(ifr.ifr_addr.sa_data));
2237 sbuf_bcat(sb, &ifr, sizeof(ifr));
2238 max_len += sizeof(ifr);
2239 addrs++;
2240 }
2241
2242 if (sbuf_error(sb) == 0)
2243 valid_len = sbuf_len(sb);
2244 }
2245 if (addrs == 0) {
2246 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2247 sbuf_bcat(sb, &ifr, sizeof(ifr));
2248 max_len += sizeof(ifr);
2249
2250 if (sbuf_error(sb) == 0)
2251 valid_len = sbuf_len(sb);
2252 }
2253 }
2254 IFNET_RUNLOCK();
2255
2256 if (valid_len != max_len && !full) {
2257 sbuf_delete(sb);
2258 goto again;
2259 }
2260
2261 ifc.ifc_len = valid_len;
2262 sbuf_finish(sb);
2263 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2264 if (error == 0)
2265 error = copyout(&ifc, uifc, sizeof(ifc));
2266 sbuf_delete(sb);
2267 CURVNET_RESTORE();
2268
2269 return (error);
2270}
2271
2272static int
2273linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2274{
2275 l_short flags;
2276
2277 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff;
2278 /* these flags have no Linux equivalent */
2279 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX|
2280 IFF_LINK0|IFF_LINK1|IFF_LINK2);
2281 /* Linux' multicast flag is in a different bit */
2282 if (flags & IFF_MULTICAST) {
2283 flags &= ~IFF_MULTICAST;
2284 flags |= 0x1000;
2285 }
2286
2287 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2288}
2289
2290#define ARPHRD_ETHER 1
2291#define ARPHRD_LOOPBACK 772
2292
2293static int
2294linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2295{
2296 struct ifaddr *ifa;
2297 struct sockaddr_dl *sdl;
2298 struct l_sockaddr lsa;
2299
2300 if (ifp->if_type == IFT_LOOP) {
2301 bzero(&lsa, sizeof(lsa));
2302 lsa.sa_family = ARPHRD_LOOPBACK;
2303 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2304 }
2305
2306 if (ifp->if_type != IFT_ETHER)
2307 return (ENOENT);
2308
2309 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2310 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
2311 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
2312 (sdl->sdl_type == IFT_ETHER)) {
2313 bzero(&lsa, sizeof(lsa));
2314 lsa.sa_family = ARPHRD_ETHER;
2315 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
2316 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2317 }
2318 }
2319
2320 return (ENOENT);
2321}
2322
2323
2324 /*
2325* If we fault in bsd_to_linux_ifreq() then we will fault when we call
2326* the native ioctl(). Thus, we don't really need to check the return
2327* value of this function.
2328*/
2329static int
2330bsd_to_linux_ifreq(struct ifreq *arg)
2331{
2332 struct ifreq ifr;
2333 size_t ifr_len = sizeof(struct ifreq);
2334 int error;
2335
2336 if ((error = copyin(arg, &ifr, ifr_len)))
2337 return (error);
2338
2339 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2340
2341 error = copyout(&ifr, arg, ifr_len);
2342
2343 return (error);
2344}
2345
2346/*
2347 * Socket related ioctls
2348 */
2349
2350static int
2351linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2352{
2353 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2354 cap_rights_t rights;
2355 struct ifnet *ifp;
2356 struct file *fp;
2357 int error, type;
2358
2359 ifp = NULL;
2360 error = 0;
2361
2362 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2363 if (error != 0)
2364 return (error);
2365 type = fp->f_type;
2366 fdrop(fp, td);
2367 if (type != DTYPE_SOCKET) {
2368 /* not a socket - probably a tap / vmnet device */
2369 switch (args->cmd) {
2370 case LINUX_SIOCGIFADDR:
2371 case LINUX_SIOCSIFADDR:
2372 case LINUX_SIOCGIFFLAGS:
2373 return (linux_ioctl_special(td, args));
2374 default:
2375 return (ENOIOCTL);
2376 }
2377 }
2378
2379 switch (args->cmd & 0xffff) {
2380
2381 case LINUX_FIOGETOWN:
2382 case LINUX_FIOSETOWN:
2383 case LINUX_SIOCADDMULTI:
2384 case LINUX_SIOCATMARK:
2385 case LINUX_SIOCDELMULTI:
2386 case LINUX_SIOCGIFCONF:
2387 case LINUX_SIOCGPGRP:
2388 case LINUX_SIOCSPGRP:
2389 case LINUX_SIOCGIFCOUNT:
2390 /* these ioctls don't take an interface name */
2391#ifdef DEBUG
2392 printf("%s(): ioctl %d\n", __func__,
2393 args->cmd & 0xffff);
2394#endif
2395 break;
2396
2397 case LINUX_SIOCGIFFLAGS:
2398 case LINUX_SIOCGIFADDR:
2399 case LINUX_SIOCSIFADDR:
2400 case LINUX_SIOCGIFDSTADDR:
2401 case LINUX_SIOCGIFBRDADDR:
2402 case LINUX_SIOCGIFNETMASK:
2403 case LINUX_SIOCSIFNETMASK:
2404 case LINUX_SIOCGIFMTU:
2405 case LINUX_SIOCSIFMTU:
2406 case LINUX_SIOCSIFNAME:
2407 case LINUX_SIOCGIFHWADDR:
2408 case LINUX_SIOCSIFHWADDR:
2409 case LINUX_SIOCDEVPRIVATE:
2410 case LINUX_SIOCDEVPRIVATE+1:
2411 case LINUX_SIOCGIFINDEX:
2412 /* copy in the interface name and translate it. */
2413 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2414 if (error != 0)
2415 return (error);
2416#ifdef DEBUG
2417 printf("%s(): ioctl %d on %.*s\n", __func__,
2418 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
2419#endif
2420 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2421 if (ifp == NULL)
2422 return (EINVAL);
2423 /*
2424 * We need to copy it back out in case we pass the
2425 * request on to our native ioctl(), which will expect
2426 * the ifreq to be in user space and have the correct
2427 * interface name.
2428 */
2429 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2430 if (error != 0)
2431 return (error);
2432#ifdef DEBUG
2433 printf("%s(): %s translated to %s\n", __func__,
2434 lifname, ifname);
2435#endif
2436 break;
2437
2438 default:
2439 return (ENOIOCTL);
2440 }
2441
2442 switch (args->cmd & 0xffff) {
2443
2444 case LINUX_FIOSETOWN:
2445 args->cmd = FIOSETOWN;
2446 error = sys_ioctl(td, (struct ioctl_args *)args);
2447 break;
2448
2449 case LINUX_SIOCSPGRP:
2450 args->cmd = SIOCSPGRP;
2451 error = sys_ioctl(td, (struct ioctl_args *)args);
2452 break;
2453
2454 case LINUX_FIOGETOWN:
2455 args->cmd = FIOGETOWN;
2456 error = sys_ioctl(td, (struct ioctl_args *)args);
2457 break;
2458
2459 case LINUX_SIOCGPGRP:
2460 args->cmd = SIOCGPGRP;
2461 error = sys_ioctl(td, (struct ioctl_args *)args);
2462 break;
2463
2464 case LINUX_SIOCATMARK:
2465 args->cmd = SIOCATMARK;
2466 error = sys_ioctl(td, (struct ioctl_args *)args);
2467 break;
2468
2469 /* LINUX_SIOCGSTAMP */
2470
2471 case LINUX_SIOCGIFCONF:
2472 error = linux_ifconf(td, (struct ifconf *)args->arg);
2473 break;
2474
2475 case LINUX_SIOCGIFFLAGS:
2476 args->cmd = SIOCGIFFLAGS;
2477 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2478 break;
2479
2480 case LINUX_SIOCGIFADDR:
2481 args->cmd = SIOCGIFADDR;
2482 error = sys_ioctl(td, (struct ioctl_args *)args);
2483 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2484 break;
2485
2486 case LINUX_SIOCSIFADDR:
2487 /* XXX probably doesn't work, included for completeness */
2488 args->cmd = SIOCSIFADDR;
2489 error = sys_ioctl(td, (struct ioctl_args *)args);
2490 break;
2491
2492 case LINUX_SIOCGIFDSTADDR:
2493 args->cmd = SIOCGIFDSTADDR;
2494 error = sys_ioctl(td, (struct ioctl_args *)args);
2495 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2496 break;
2497
2498 case LINUX_SIOCGIFBRDADDR:
2499 args->cmd = SIOCGIFBRDADDR;
2500 error = sys_ioctl(td, (struct ioctl_args *)args);
2501 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2502 break;
2503
2504 case LINUX_SIOCGIFNETMASK:
2505 args->cmd = SIOCGIFNETMASK;
2506 error = sys_ioctl(td, (struct ioctl_args *)args);
2507 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2508 break;
2509
2510 case LINUX_SIOCSIFNETMASK:
2511 error = ENOIOCTL;
2512 break;
2513
2514 case LINUX_SIOCGIFMTU:
2515 args->cmd = SIOCGIFMTU;
2516 error = sys_ioctl(td, (struct ioctl_args *)args);
2517 break;
2518
2519 case LINUX_SIOCSIFMTU:
2520 args->cmd = SIOCSIFMTU;
2521 error = sys_ioctl(td, (struct ioctl_args *)args);
2522 break;
2523
2524 case LINUX_SIOCSIFNAME:
2525 error = ENOIOCTL;
2526 break;
2527
2528 case LINUX_SIOCGIFHWADDR:
2529 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2530 break;
2531
2532 case LINUX_SIOCSIFHWADDR:
2533 error = ENOIOCTL;
2534 break;
2535
2536 case LINUX_SIOCADDMULTI:
2537 args->cmd = SIOCADDMULTI;
2538 error = sys_ioctl(td, (struct ioctl_args *)args);
2539 break;
2540
2541 case LINUX_SIOCDELMULTI:
2542 args->cmd = SIOCDELMULTI;
2543 error = sys_ioctl(td, (struct ioctl_args *)args);
2544 break;
2545
2546 case LINUX_SIOCGIFINDEX:
2547 args->cmd = SIOCGIFINDEX;
2548 error = sys_ioctl(td, (struct ioctl_args *)args);
2549 break;
2550
2551 case LINUX_SIOCGIFCOUNT:
2552 error = 0;
2553 break;
2554
2555 /*
2556 * XXX This is slightly bogus, but these ioctls are currently
2557 * XXX only used by the aironet (if_an) network driver.
2558 */
2559 case LINUX_SIOCDEVPRIVATE:
2560 args->cmd = SIOCGPRIVATE_0;
2561 error = sys_ioctl(td, (struct ioctl_args *)args);
2562 break;
2563
2564 case LINUX_SIOCDEVPRIVATE+1:
2565 args->cmd = SIOCGPRIVATE_1;
2566 error = sys_ioctl(td, (struct ioctl_args *)args);
2567 break;
2568 }
2569
2570 if (ifp != NULL)
2571 /* restore the original interface name */
2572 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2573
2574#ifdef DEBUG
2575 printf("%s(): returning %d\n", __func__, error);
2576#endif
2577 return (error);
2578}
2579
2580/*
2581 * Device private ioctl handler
2582 */
2583static int
2584linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2585{
2586 cap_rights_t rights;
2587 struct file *fp;
2588 int error, type;
2589
2590 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2591 if (error != 0)
2592 return (error);
2593 type = fp->f_type;
2594 fdrop(fp, td);
2595 if (type == DTYPE_SOCKET)
2596 return (linux_ioctl_socket(td, args));
2597 return (ENOIOCTL);
2598}
2599
2600/*
2601 * DRM ioctl handler (sys/dev/drm)
2602 */
2603static int
2604linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2605{
2606 args->cmd = SETDIR(args->cmd);
2607 return sys_ioctl(td, (struct ioctl_args *)args);
2608}
2609
2610#ifdef COMPAT_LINUX32
2611#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
2612#define PTRIN_CP(src,dst,fld) \
2613 do { (dst).fld = PTRIN((src).fld); } while (0)
2614#define PTROUT_CP(src,dst,fld) \
2615 do { (dst).fld = PTROUT((src).fld); } while (0)
2616
2617static int
2618linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2619{
2620 struct sg_io_hdr io;
2621 struct sg_io_hdr32 io32;
2622 cap_rights_t rights;
2623 struct file *fp;
2624 int error;
2625
2626 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2627 if (error != 0) {
2628 printf("sg_linux_ioctl: fget returned %d\n", error);
2629 return (error);
2630 }
2631
2632 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2633 goto out;
2634
2635 CP(io32, io, interface_id);
2636 CP(io32, io, dxfer_direction);
2637 CP(io32, io, cmd_len);
2638 CP(io32, io, mx_sb_len);
2639 CP(io32, io, iovec_count);
2640 CP(io32, io, dxfer_len);
2641 PTRIN_CP(io32, io, dxferp);
2642 PTRIN_CP(io32, io, cmdp);
2643 PTRIN_CP(io32, io, sbp);
2644 CP(io32, io, timeout);
2645 CP(io32, io, flags);
2646 CP(io32, io, pack_id);
2647 PTRIN_CP(io32, io, usr_ptr);
2648 CP(io32, io, status);
2649 CP(io32, io, masked_status);
2650 CP(io32, io, msg_status);
2651 CP(io32, io, sb_len_wr);
2652 CP(io32, io, host_status);
2653 CP(io32, io, driver_status);
2654 CP(io32, io, resid);
2655 CP(io32, io, duration);
2656 CP(io32, io, info);
2657
2658 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2659 goto out;
2660
2661 CP(io, io32, interface_id);
2662 CP(io, io32, dxfer_direction);
2663 CP(io, io32, cmd_len);
2664 CP(io, io32, mx_sb_len);
2665 CP(io, io32, iovec_count);
2666 CP(io, io32, dxfer_len);
2667 PTROUT_CP(io, io32, dxferp);
2668 PTROUT_CP(io, io32, cmdp);
2669 PTROUT_CP(io, io32, sbp);
2670 CP(io, io32, timeout);
2671 CP(io, io32, flags);
2672 CP(io, io32, pack_id);
2673 PTROUT_CP(io, io32, usr_ptr);
2674 CP(io, io32, status);
2675 CP(io, io32, masked_status);
2676 CP(io, io32, msg_status);
2677 CP(io, io32, sb_len_wr);
2678 CP(io, io32, host_status);
2679 CP(io, io32, driver_status);
2680 CP(io, io32, resid);
2681 CP(io, io32, duration);
2682 CP(io, io32, info);
2683
2684 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2685
2686out:
2687 fdrop(fp, td);
2688 return (error);
2689}
2690#endif
2691
2692static int
2693linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2694{
2695
2696 switch (args->cmd) {
2697 case LINUX_SG_GET_VERSION_NUM:
2698 args->cmd = SG_GET_VERSION_NUM;
2699 break;
2700 case LINUX_SG_SET_TIMEOUT:
2701 args->cmd = SG_SET_TIMEOUT;
2702 break;
2703 case LINUX_SG_GET_TIMEOUT:
2704 args->cmd = SG_GET_TIMEOUT;
2705 break;
2706 case LINUX_SG_IO:
2707 args->cmd = SG_IO;
2708#ifdef COMPAT_LINUX32
2709 return (linux_ioctl_sg_io(td, args));
2710#endif
2711 break;
2712 case LINUX_SG_GET_RESERVED_SIZE:
2713 args->cmd = SG_GET_RESERVED_SIZE;
2714 break;
2715 case LINUX_SG_GET_SCSI_ID:
2716 args->cmd = SG_GET_SCSI_ID;
2717 break;
2718 case LINUX_SG_GET_SG_TABLESIZE:
2719 args->cmd = SG_GET_SG_TABLESIZE;
2720 break;
2721 default:
2722 return (ENODEV);
2723 }
2724 return (sys_ioctl(td, (struct ioctl_args *)args));
2725}
2726
2727/*
2728 * Video4Linux (V4L) ioctl handler
2729 */
2730static int
2731linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2732{
2733 vt->tuner = lvt->tuner;
2734 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2735 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2736 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2737 vt->flags = lvt->flags;
2738 vt->mode = lvt->mode;
2739 vt->signal = lvt->signal;
2740 return (0);
2741}
2742
2743static int
2744bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2745{
2746 lvt->tuner = vt->tuner;
2747 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2748 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2749 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2750 lvt->flags = vt->flags;
2751 lvt->mode = vt->mode;
2752 lvt->signal = vt->signal;
2753 return (0);
2754}
2755
2756#ifdef COMPAT_LINUX_V4L_CLIPLIST
2757static int
2758linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2759{
2760 vc->x = lvc->x;
2761 vc->y = lvc->y;
2762 vc->width = lvc->width;
2763 vc->height = lvc->height;
2764 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2765 return (0);
2766}
2767#endif
2768
2769static int
2770linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2771{
2772 vw->x = lvw->x;
2773 vw->y = lvw->y;
2774 vw->width = lvw->width;
2775 vw->height = lvw->height;
2776 vw->chromakey = lvw->chromakey;
2777 vw->flags = lvw->flags;
2778 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2779 vw->clipcount = lvw->clipcount;
2780 return (0);
2781}
2782
2783static int
2784bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2785{
2786 lvw->x = vw->x;
2787 lvw->y = vw->y;
2788 lvw->width = vw->width;
2789 lvw->height = vw->height;
2790 lvw->chromakey = vw->chromakey;
2791 lvw->flags = vw->flags;
2792 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2793 lvw->clipcount = vw->clipcount;
2794 return (0);
2795}
2796
2797static int
2798linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2799{
2800 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2801 vb->height = lvb->height;
2802 vb->width = lvb->width;
2803 vb->depth = lvb->depth;
2804 vb->bytesperline = lvb->bytesperline;
2805 return (0);
2806}
2807
2808static int
2809bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2810{
2811 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2812 lvb->height = vb->height;
2813 lvb->width = vb->width;
2814 lvb->depth = vb->depth;
2815 lvb->bytesperline = vb->bytesperline;
2816 return (0);
2817}
2818
2819static int
2820linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2821{
2822 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2823 vc->datasize = lvc->datasize;
2824 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2825 return (0);
2826}
2827
2828#ifdef COMPAT_LINUX_V4L_CLIPLIST
2829static int
2830linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2831{
2832 int error;
2833 struct video_clip vclip;
2834 struct l_video_clip l_vclip;
2835
2836 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2837 if (error) return (error);
2838 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2839 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2840 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2841 return (ENOMEM); /* XXX: linux has no ENOMEM here */
2842 memcpy(*ppvc, &vclip, sizeof(vclip));
2843 (*ppvc)->next = NULL;
2844 return (0);
2845}
2846
2847static int
2848linux_v4l_cliplist_free(struct video_window *vw)
2849{
2850 struct video_clip **ppvc;
2851 struct video_clip **ppvc_next;
2852
2853 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2854 ppvc_next = &((*ppvc)->next);
2855 free(*ppvc, M_LINUX);
2856 }
2857 vw->clips = NULL;
2858
2859 return (0);
2860}
2861
2862static int
2863linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2864{
2865 int error;
2866 int clipcount;
2867 void *plvc;
2868 struct video_clip **ppvc;
2869
2870 /*
2871 * XXX: The cliplist is used to pass in a list of clipping
2872 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2873 * clipping bitmap. Some Linux apps, however, appear to
2874 * leave cliplist and clips uninitialized. In any case,
2875 * the cliplist is not used by pwc(4), at the time of
2876 * writing, FreeBSD's only V4L driver. When a driver
2877 * that uses the cliplist is developed, this code may
2878 * need re-examiniation.
2879 */
2880 error = 0;
2881 clipcount = vw->clipcount;
2882 if (clipcount == VIDEO_CLIP_BITMAP) {
2883 /*
2884 * In this case, the pointer (clips) is overloaded
2885 * to be a "void *" to a bitmap, therefore there
2886 * is no struct video_clip to copy now.
2887 */
2888 } else if (clipcount > 0 && clipcount <= 16384) {
2889 /*
2890 * Clips points to list of clip rectangles, so
2891 * copy the list.
2892 *
2893 * XXX: Upper limit of 16384 was used here to try to
2894 * avoid cases when clipcount and clips pointer
2895 * are uninitialized and therefore have high random
2896 * values, as is the case in the Linux Skype
2897 * application. The value 16384 was chosen as that
2898 * is what is used in the Linux stradis(4) MPEG
2899 * decoder driver, the only place we found an
2900 * example of cliplist use.
2901 */
2902 plvc = PTRIN(lvw->clips);
2903 vw->clips = NULL;
2904 ppvc = &(vw->clips);
2905 while (clipcount-- > 0) {
2906 if (plvc == 0) {
2907 error = EFAULT;
2908 break;
2909 } else {
2910 error = linux_v4l_clip_copy(plvc, ppvc);
2911 if (error) {
2912 linux_v4l_cliplist_free(vw);
2913 break;
2914 }
2915 }
2916 ppvc = &((*ppvc)->next);
2917 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2918 }
2919 } else {
2920 /*
2921 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2922 * Force cliplist to null.
2923 */
2924 vw->clipcount = 0;
2925 vw->clips = NULL;
2926 }
2927 return (error);
2928}
2929#endif
2930
2931static int
2932linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2933{
2934 cap_rights_t rights;
2935 struct file *fp;
2936 int error;
2937 struct video_tuner vtun;
2938 struct video_window vwin;
2939 struct video_buffer vbuf;
2940 struct video_code vcode;
2941 struct l_video_tuner l_vtun;
2942 struct l_video_window l_vwin;
2943 struct l_video_buffer l_vbuf;
2944 struct l_video_code l_vcode;
2945
2946 switch (args->cmd & 0xffff) {
2947 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2948 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2949 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2950
2951 case LINUX_VIDIOCGTUNER:
2952 error = fget(td, args->fd,
2953 cap_rights_init(&rights, CAP_IOCTL), &fp);
2954 if (error != 0)
2955 return (error);
2956 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2957 if (error) {
2958 fdrop(fp, td);
2959 return (error);
2960 }
2961 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2962 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2963 if (!error) {
2964 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2965 error = copyout(&l_vtun, (void *) args->arg,
2966 sizeof(l_vtun));
2967 }
2968 fdrop(fp, td);
2969 return (error);
2970
2971 case LINUX_VIDIOCSTUNER:
2972 error = fget(td, args->fd,
2973 cap_rights_init(&rights, CAP_IOCTL), &fp);
2974 if (error != 0)
2975 return (error);
2976 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2977 if (error) {
2978 fdrop(fp, td);
2979 return (error);
2980 }
2981 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2982 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2983 fdrop(fp, td);
2984 return (error);
2985
2986 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2987 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2988 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2989
2990 case LINUX_VIDIOCGWIN:
2991 error = fget(td, args->fd,
2992 cap_rights_init(&rights, CAP_IOCTL), &fp);
2993 if (error != 0)
2994 return (error);
2995 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
2996 if (!error) {
2997 bsd_to_linux_v4l_window(&vwin, &l_vwin);
2998 error = copyout(&l_vwin, (void *) args->arg,
2999 sizeof(l_vwin));
3000 }
3001 fdrop(fp, td);
3002 return (error);
3003
3004 case LINUX_VIDIOCSWIN:
3005 error = fget(td, args->fd,
3006 cap_rights_init(&rights, CAP_IOCTL), &fp);
3007 if (error != 0)
3008 return (error);
3009 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
3010 if (error) {
3011 fdrop(fp, td);
3012 return (error);
3013 }
3014 linux_to_bsd_v4l_window(&l_vwin, &vwin);
3015#ifdef COMPAT_LINUX_V4L_CLIPLIST
3016 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
3017 if (error) {
3018 fdrop(fp, td);
3019 return (error);
3020 }
3021#endif
3022 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
3023 fdrop(fp, td);
3024#ifdef COMPAT_LINUX_V4L_CLIPLIST
3025 linux_v4l_cliplist_free(&vwin);
3026#endif
3027 return (error);
3028
3029 case LINUX_VIDIOCGFBUF:
3030 error = fget(td, args->fd,
3031 cap_rights_init(&rights, CAP_IOCTL), &fp);
3032 if (error != 0)
3033 return (error);
3034 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
3035 if (!error) {
3036 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
3037 error = copyout(&l_vbuf, (void *) args->arg,
3038 sizeof(l_vbuf));
3039 }
3040 fdrop(fp, td);
3041 return (error);
3042
3043 case LINUX_VIDIOCSFBUF:
3044 error = fget(td, args->fd,
3045 cap_rights_init(&rights, CAP_IOCTL), &fp);
3046 if (error != 0)
3047 return (error);
3048 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
3049 if (error) {
3050 fdrop(fp, td);
3051 return (error);
3052 }
3053 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
3054 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
3055 fdrop(fp, td);
3056 return (error);
3057
3058 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
3059 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
3060 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
3061 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
3062 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
3063 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
3064 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
3065 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
3066 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
3067 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
3068 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
3069 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
3070 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
3071 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
3072
3073 case LINUX_VIDIOCSMICROCODE:
3074 error = fget(td, args->fd,
3075 cap_rights_init(&rights, CAP_IOCTL), &fp);
3076 if (error != 0)
3077 return (error);
3078 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
3079 if (error) {
3080 fdrop(fp, td);
3081 return (error);
3082 }
3083 linux_to_bsd_v4l_code(&l_vcode, &vcode);
3084 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
3085 fdrop(fp, td);
3086 return (error);
3087
3088 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
3089 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
3090 default: return (ENOIOCTL);
3091 }
3092
3093 error = sys_ioctl(td, (struct ioctl_args *)args);
3094 return (error);
3095}
3096
3097/*
3098 * Special ioctl handler
3099 */
3100static int
3101linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
3102{
3103 int error;
3104
3105 switch (args->cmd) {
3106 case LINUX_SIOCGIFADDR:
3107 args->cmd = SIOCGIFADDR;
3108 error = sys_ioctl(td, (struct ioctl_args *)args);
3109 break;
3110 case LINUX_SIOCSIFADDR:
3111 args->cmd = SIOCSIFADDR;
3112 error = sys_ioctl(td, (struct ioctl_args *)args);
3113 break;
3114 case LINUX_SIOCGIFFLAGS:
3115 args->cmd = SIOCGIFFLAGS;
3116 error = sys_ioctl(td, (struct ioctl_args *)args);
3117 break;
3118 default:
3119 error = ENOIOCTL;
3120 }
3121
3122 return (error);
3123}
3124
3125static int
3126linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3127{
3128 vstd->index = lvstd->index;
3129 vstd->id = lvstd->id;
3130 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3131 return (0);
3132}
3133
3134static int
3135bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3136{
3137 lvstd->index = vstd->index;
3138 lvstd->id = vstd->id;
3139 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3140 return (0);
3141}
3142
3143static int
3144linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3145{
3146 vb->index = lvb->index;
3147 vb->type = lvb->type;
3148 vb->bytesused = lvb->bytesused;
3149 vb->flags = lvb->flags;
3150 vb->field = lvb->field;
3151 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3152 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3153 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3154 vb->sequence = lvb->sequence;
3155 vb->memory = lvb->memory;
3156 if (lvb->memory == V4L2_MEMORY_USERPTR)
3157 /* possible pointer size conversion */
3158 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3159 else
3160 vb->m.offset = lvb->m.offset;
3161 vb->length = lvb->length;
3162 vb->input = lvb->input;
3163 vb->reserved = lvb->reserved;
3164 return (0);
3165}
3166
3167static int
3168bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3169{
3170 lvb->index = vb->index;
3171 lvb->type = vb->type;
3172 lvb->bytesused = vb->bytesused;
3173 lvb->flags = vb->flags;
3174 lvb->field = vb->field;
3175 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3176 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3177 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3178 lvb->sequence = vb->sequence;
3179 lvb->memory = vb->memory;
3180 if (vb->memory == V4L2_MEMORY_USERPTR)
3181 /* possible pointer size conversion */
3182 lvb->m.userptr = PTROUT(vb->m.userptr);
3183 else
3184 lvb->m.offset = vb->m.offset;
3185 lvb->length = vb->length;
3186 lvb->input = vb->input;
3187 lvb->reserved = vb->reserved;
3188 return (0);
3189}
3190
3191static int
3192linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3193{
3194 vf->type = lvf->type;
3195 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3196#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3197 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3198#endif
3199 )
3200 /*
3201 * XXX TODO - needs 32 -> 64 bit conversion:
3202 * (unused by webcams?)
3203 */
3204 return EINVAL;
3205 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3206 return 0;
3207}
3208
3209static int
3210bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3211{
3212 lvf->type = vf->type;
3213 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3214#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3215 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3216#endif
3217 )
3218 /*
3219 * XXX TODO - needs 32 -> 64 bit conversion:
3220 * (unused by webcams?)
3221 */
3222 return EINVAL;
3223 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3224 return 0;
3225}
3226static int
3227linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3228{
3229 cap_rights_t rights;
3230 struct file *fp;
3231 int error;
3232 struct v4l2_format vformat;
3233 struct l_v4l2_format l_vformat;
3234 struct v4l2_standard vstd;
3235 struct l_v4l2_standard l_vstd;
3236 struct l_v4l2_buffer l_vbuf;
3237 struct v4l2_buffer vbuf;
3238 struct v4l2_input vinp;
3239
3240 switch (args->cmd & 0xffff) {
3241 case LINUX_VIDIOC_RESERVED:
3242 case LINUX_VIDIOC_LOG_STATUS:
3243 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3244 return ENOIOCTL;
3245 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3246 break;
3247
3248 case LINUX_VIDIOC_OVERLAY:
3249 case LINUX_VIDIOC_STREAMON:
3250 case LINUX_VIDIOC_STREAMOFF:
3251 case LINUX_VIDIOC_S_STD:
3252 case LINUX_VIDIOC_S_TUNER:
3253 case LINUX_VIDIOC_S_AUDIO:
3254 case LINUX_VIDIOC_S_AUDOUT:
3255 case LINUX_VIDIOC_S_MODULATOR:
3256 case LINUX_VIDIOC_S_FREQUENCY:
3257 case LINUX_VIDIOC_S_CROP:
3258 case LINUX_VIDIOC_S_JPEGCOMP:
3259 case LINUX_VIDIOC_S_PRIORITY:
3260 case LINUX_VIDIOC_DBG_S_REGISTER:
3261 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3262 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3263 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3264 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3265 break;
3266
3267 case LINUX_VIDIOC_QUERYCAP:
3268 case LINUX_VIDIOC_G_STD:
3269 case LINUX_VIDIOC_G_AUDIO:
3270 case LINUX_VIDIOC_G_INPUT:
3271 case LINUX_VIDIOC_G_OUTPUT:
3272 case LINUX_VIDIOC_G_AUDOUT:
3273 case LINUX_VIDIOC_G_JPEGCOMP:
3274 case LINUX_VIDIOC_QUERYSTD:
3275 case LINUX_VIDIOC_G_PRIORITY:
3276 case LINUX_VIDIOC_QUERY_DV_PRESET:
3277 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3278 break;
3279
3280 case LINUX_VIDIOC_ENUM_FMT:
3281 case LINUX_VIDIOC_REQBUFS:
3282 case LINUX_VIDIOC_G_PARM:
3283 case LINUX_VIDIOC_S_PARM:
3284 case LINUX_VIDIOC_G_CTRL:
3285 case LINUX_VIDIOC_S_CTRL:
3286 case LINUX_VIDIOC_G_TUNER:
3287 case LINUX_VIDIOC_QUERYCTRL:
3288 case LINUX_VIDIOC_QUERYMENU:
3289 case LINUX_VIDIOC_S_INPUT:
3290 case LINUX_VIDIOC_S_OUTPUT:
3291 case LINUX_VIDIOC_ENUMOUTPUT:
3292 case LINUX_VIDIOC_G_MODULATOR:
3293 case LINUX_VIDIOC_G_FREQUENCY:
3294 case LINUX_VIDIOC_CROPCAP:
3295 case LINUX_VIDIOC_G_CROP:
3296 case LINUX_VIDIOC_ENUMAUDIO:
3297 case LINUX_VIDIOC_ENUMAUDOUT:
3298 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3299#ifdef VIDIOC_ENUM_FRAMESIZES
3300 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3301 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3302 case LINUX_VIDIOC_ENCODER_CMD:
3303 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3304#endif
3305 case LINUX_VIDIOC_DBG_G_REGISTER:
3306 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3307 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3308 case LINUX_VIDIOC_S_DV_PRESET:
3309 case LINUX_VIDIOC_G_DV_PRESET:
3310 case LINUX_VIDIOC_S_DV_TIMINGS:
3311 case LINUX_VIDIOC_G_DV_TIMINGS:
3312 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3313 break;
3314
3315 case LINUX_VIDIOC_G_FMT:
3316 case LINUX_VIDIOC_S_FMT:
3317 case LINUX_VIDIOC_TRY_FMT:
3318 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3319 if (error)
3320 return (error);
3321 error = fget(td, args->fd,
3322 cap_rights_init(&rights, CAP_IOCTL), &fp);
3323 if (error)
3324 return (error);
3325 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3326 error = EINVAL;
3327 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3328 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3329 td->td_ucred, td);
3330 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3331 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3332 td->td_ucred, td);
3333 else
3334 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3335 td->td_ucred, td);
3336 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3337 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
3338 fdrop(fp, td);
3339 return (error);
3340
3341 case LINUX_VIDIOC_ENUMSTD:
3342 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3343 if (error)
3344 return (error);
3345 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3346 error = fget(td, args->fd,
3347 cap_rights_init(&rights, CAP_IOCTL), &fp);
3348 if (error)
3349 return (error);
3350 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3351 td->td_ucred, td);
3352 if (error) {
3353 fdrop(fp, td);
3354 return (error);
3355 }
3356 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3357 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3358 fdrop(fp, td);
3359 return (error);
3360
3361 case LINUX_VIDIOC_ENUMINPUT:
3362 /*
3363 * The Linux struct l_v4l2_input differs only in size,
3364 * it has no padding at the end.
3365 */
3366 error = copyin((void *)args->arg, &vinp,
3367 sizeof(struct l_v4l2_input));
3368 if (error != 0)
3369 return (error);
3370 error = fget(td, args->fd,
3371 cap_rights_init(&rights, CAP_IOCTL), &fp);
3372 if (error != 0)
3373 return (error);
3374 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3375 td->td_ucred, td);
3376 if (error) {
3377 fdrop(fp, td);
3378 return (error);
3379 }
3380 error = copyout(&vinp, (void *)args->arg,
3381 sizeof(struct l_v4l2_input));
3382 fdrop(fp, td);
3383 return (error);
3384
3385 case LINUX_VIDIOC_QUERYBUF:
3386 case LINUX_VIDIOC_QBUF:
3387 case LINUX_VIDIOC_DQBUF:
3388 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3389 if (error)
3390 return (error);
3391 error = fget(td, args->fd,
3392 cap_rights_init(&rights, CAP_IOCTL), &fp);
3393 if (error)
3394 return (error);
3395 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3396 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3397 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3398 td->td_ucred, td);
3399 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3400 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3401 td->td_ucred, td);
3402 else
3403 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3404 td->td_ucred, td);
3405 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3406 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
3407 fdrop(fp, td);
3408 return (error);
3409
3410 /*
3411 * XXX TODO - these need 32 -> 64 bit conversion:
3412 * (are any of them needed for webcams?)
3413 */
3414 case LINUX_VIDIOC_G_FBUF:
3415 case LINUX_VIDIOC_S_FBUF:
3416
3417 case LINUX_VIDIOC_G_EXT_CTRLS:
3418 case LINUX_VIDIOC_S_EXT_CTRLS:
3419 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3420
3421 case LINUX_VIDIOC_DQEVENT:
3422
3423 default: return (ENOIOCTL);
3424 }
3425
3426 error = sys_ioctl(td, (struct ioctl_args *)args);
3427 return (error);
3428}
3429
3430/*
3431 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3432 * instead of USB* ones. This lets us to provide correct values for cmd.
3433 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3434 */
3435static int
3436linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3437{
3438 int error;
3439
3440 error = 0;
3441 switch (args->cmd) {
3442 case FBSD_LUSB_DEVICEENUMERATE:
3443 args->cmd = USB_DEVICEENUMERATE;
3444 break;
3445 case FBSD_LUSB_DEV_QUIRK_ADD:
3446 args->cmd = USB_DEV_QUIRK_ADD;
3447 break;
3448 case FBSD_LUSB_DEV_QUIRK_GET:
3449 args->cmd = USB_DEV_QUIRK_GET;
3450 break;
3451 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3452 args->cmd = USB_DEV_QUIRK_REMOVE;
3453 break;
3454 case FBSD_LUSB_DO_REQUEST:
3455 args->cmd = USB_DO_REQUEST;
3456 break;
3457 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3458 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3459 break;
3460 case FBSD_LUSB_FS_CLOSE:
3461 args->cmd = USB_FS_CLOSE;
3462 break;
3463 case FBSD_LUSB_FS_COMPLETE:
3464 args->cmd = USB_FS_COMPLETE;
3465 break;
3466 case FBSD_LUSB_FS_INIT:
3467 args->cmd = USB_FS_INIT;
3468 break;
3469 case FBSD_LUSB_FS_OPEN:
3470 args->cmd = USB_FS_OPEN;
3471 break;
3472 case FBSD_LUSB_FS_START:
3473 args->cmd = USB_FS_START;
3474 break;
3475 case FBSD_LUSB_FS_STOP:
3476 args->cmd = USB_FS_STOP;
3477 break;
3478 case FBSD_LUSB_FS_UNINIT:
3479 args->cmd = USB_FS_UNINIT;
3480 break;
3481 case FBSD_LUSB_GET_CONFIG:
3482 args->cmd = USB_GET_CONFIG;
3483 break;
3484 case FBSD_LUSB_GET_DEVICEINFO:
3485 args->cmd = USB_GET_DEVICEINFO;
3486 break;
3487 case FBSD_LUSB_GET_DEVICE_DESC:
3488 args->cmd = USB_GET_DEVICE_DESC;
3489 break;
3490 case FBSD_LUSB_GET_FULL_DESC:
3491 args->cmd = USB_GET_FULL_DESC;
3492 break;
3493 case FBSD_LUSB_GET_IFACE_DRIVER:
3494 args->cmd = USB_GET_IFACE_DRIVER;
3495 break;
3496 case FBSD_LUSB_GET_PLUGTIME:
3497 args->cmd = USB_GET_PLUGTIME;
3498 break;
3499 case FBSD_LUSB_GET_POWER_MODE:
3500 args->cmd = USB_GET_POWER_MODE;
3501 break;
3502 case FBSD_LUSB_GET_REPORT_DESC:
3503 args->cmd = USB_GET_REPORT_DESC;
3504 break;
3505 case FBSD_LUSB_GET_REPORT_ID:
3506 args->cmd = USB_GET_REPORT_ID;
3507 break;
3508 case FBSD_LUSB_GET_TEMPLATE:
3509 args->cmd = USB_GET_TEMPLATE;
3510 break;
3511 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3512 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3513 break;
3514 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3515 args->cmd = USB_IFACE_DRIVER_DETACH;
3516 break;
3517 case FBSD_LUSB_QUIRK_NAME_GET:
3518 args->cmd = USB_QUIRK_NAME_GET;
3519 break;
3520 case FBSD_LUSB_READ_DIR:
3521 args->cmd = USB_READ_DIR;
3522 break;
3523 case FBSD_LUSB_SET_ALTINTERFACE:
3524 args->cmd = USB_SET_ALTINTERFACE;
3525 break;
3526 case FBSD_LUSB_SET_CONFIG:
3527 args->cmd = USB_SET_CONFIG;
3528 break;
3529 case FBSD_LUSB_SET_IMMED:
3530 args->cmd = USB_SET_IMMED;
3531 break;
3532 case FBSD_LUSB_SET_POWER_MODE:
3533 args->cmd = USB_SET_POWER_MODE;
3534 break;
3535 case FBSD_LUSB_SET_TEMPLATE:
3536 args->cmd = USB_SET_TEMPLATE;
3537 break;
3538 case FBSD_LUSB_FS_OPEN_STREAM:
3539 args->cmd = USB_FS_OPEN_STREAM;
3540 break;
3541 case FBSD_LUSB_GET_DEV_PORT_PATH:
3542 args->cmd = USB_GET_DEV_PORT_PATH;
3543 break;
3544 case FBSD_LUSB_GET_POWER_USAGE:
3545 args->cmd = USB_GET_POWER_USAGE;
3546 break;
3547 default:
3548 error = ENOIOCTL;
3549 }
3550 if (error != ENOIOCTL)
3551 error = sys_ioctl(td, (struct ioctl_args *)args);
3552 return (error);
3553}
3554
3555/*
3556 * main ioctl syscall function
3557 */
3558
3559int
3560linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3561{
3562 cap_rights_t rights;
3563 struct file *fp;
3564 struct handler_element *he;
3565 int error, cmd;
3566
3567#ifdef DEBUG
3568 if (ldebug(ioctl))
3569 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
3570 (unsigned long)args->cmd);
3571#endif
3572
3573 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
3574 if (error != 0)
3575 return (error);
3576 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3577 fdrop(fp, td);
3578 return (EBADF);
3579 }
3580
3581 /* Iterate over the ioctl handlers */
3582 cmd = args->cmd & 0xffff;
3583 sx_slock(&linux_ioctl_sx);
3584 mtx_lock(&Giant);
3585 TAILQ_FOREACH(he, &handlers, list) {
3586 if (cmd >= he->low && cmd <= he->high) {
3587 error = (*he->func)(td, args);
3588 if (error != ENOIOCTL) {
3589 mtx_unlock(&Giant);
3590 sx_sunlock(&linux_ioctl_sx);
3591 fdrop(fp, td);
3592 return (error);
3593 }
3594 }
3595 }
3596 mtx_unlock(&Giant);
3597 sx_sunlock(&linux_ioctl_sx);
3598 fdrop(fp, td);
3599
3600 switch (args->cmd & 0xffff) {
3601 case LINUX_BTRFS_IOC_CLONE:
3602 return (ENOTSUP);
3603
3604 default:
3605 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3606 args->fd, (int)(args->cmd & 0xffff),
3607 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3608 break;
3609 }
3610
3611 return (EINVAL);
3612}
3613
3614int
3615linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3616{
3617 struct handler_element *he, *cur;
3618
3619 if (h == NULL || h->func == NULL)
3620 return (EINVAL);
3621
3622 /*
3623 * Reuse the element if the handler is already on the list, otherwise
3624 * create a new element.
3625 */
3626 sx_xlock(&linux_ioctl_sx);
3627 TAILQ_FOREACH(he, &handlers, list) {
3628 if (he->func == h->func)
3629 break;
3630 }
3631 if (he == NULL) {
3632 he = malloc(sizeof(*he),
3633 M_LINUX, M_WAITOK);
3634 he->func = h->func;
3635 } else
3636 TAILQ_REMOVE(&handlers, he, list);
3637
3638 /* Initialize range information. */
3639 he->low = h->low;
3640 he->high = h->high;
3641 he->span = h->high - h->low + 1;
3642
3643 /* Add the element to the list, sorted on span. */
3644 TAILQ_FOREACH(cur, &handlers, list) {
3645 if (cur->span > he->span) {
3646 TAILQ_INSERT_BEFORE(cur, he, list);
3647 sx_xunlock(&linux_ioctl_sx);
3648 return (0);
3649 }
3650 }
3651 TAILQ_INSERT_TAIL(&handlers, he, list);
3652 sx_xunlock(&linux_ioctl_sx);
3653
3654 return (0);
3655}
3656
3657int
3658linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3659{
3660 struct handler_element *he;
3661
3662 if (h == NULL || h->func == NULL)
3663 return (EINVAL);
3664
3665 sx_xlock(&linux_ioctl_sx);
3666 TAILQ_FOREACH(he, &handlers, list) {
3667 if (he->func == h->func) {
3668 TAILQ_REMOVE(&handlers, he, list);
3669 sx_xunlock(&linux_ioctl_sx);
3670 free(he, M_LINUX);
3671 return (0);
3672 }
3673 }
3674 sx_xunlock(&linux_ioctl_sx);
3675
3676 return (EINVAL);
3677}