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 306294 2016-09-24 10:34:35Z 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 case LINUX_BLKSSZGET:
300 error = fo_ioctl(fp, DIOCGSECTORSIZE,
301 (caddr_t)&sectorsize, td->td_ucred, td);
302 fdrop(fp, td);
303 if (error)
304 return (error);
305 return (copyout(&sectorsize, (void *)args->arg,
306 sizeof(sectorsize)));
307 break;
308 }
309 fdrop(fp, td);
310 return (ENOIOCTL);
311}
312
313/*
314 * termio related ioctls
315 */
316
317struct linux_termio {
318 unsigned short c_iflag;
319 unsigned short c_oflag;
320 unsigned short c_cflag;
321 unsigned short c_lflag;
322 unsigned char c_line;
323 unsigned char c_cc[LINUX_NCC];
324};
325
326struct linux_termios {
327 unsigned int c_iflag;
328 unsigned int c_oflag;
329 unsigned int c_cflag;
330 unsigned int c_lflag;
331 unsigned char c_line;
332 unsigned char c_cc[LINUX_NCCS];
333};
334
335struct linux_winsize {
336 unsigned short ws_row, ws_col;
337 unsigned short ws_xpixel, ws_ypixel;
338};
339
340struct speedtab {
341 int sp_speed; /* Speed. */
342 int sp_code; /* Code. */
343};
344
345static struct speedtab sptab[] = {
346 { B0, LINUX_B0 }, { B50, LINUX_B50 },
347 { B75, LINUX_B75 }, { B110, LINUX_B110 },
348 { B134, LINUX_B134 }, { B150, LINUX_B150 },
349 { B200, LINUX_B200 }, { B300, LINUX_B300 },
350 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
351 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
352 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
353 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
354 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
355 {-1, -1 }
356};
357
358struct linux_serial_struct {
359 int type;
360 int line;
361 int port;
362 int irq;
363 int flags;
364 int xmit_fifo_size;
365 int custom_divisor;
366 int baud_base;
367 unsigned short close_delay;
368 char reserved_char[2];
369 int hub6;
370 unsigned short closing_wait;
371 unsigned short closing_wait2;
372 int reserved[4];
373};
374
375static int
376linux_to_bsd_speed(int code, struct speedtab *table)
377{
378 for ( ; table->sp_code != -1; table++)
379 if (table->sp_code == code)
380 return (table->sp_speed);
381 return -1;
382}
383
384static int
385bsd_to_linux_speed(int speed, struct speedtab *table)
386{
387 for ( ; table->sp_speed != -1; table++)
388 if (table->sp_speed == speed)
389 return (table->sp_code);
390 return -1;
391}
392
393static void
394bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
395{
396 int i;
397
398#ifdef DEBUG
399 if (ldebug(ioctl)) {
400 printf("LINUX: BSD termios structure (input):\n");
401 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
402 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
403 bios->c_ispeed, bios->c_ospeed);
404 printf("c_cc ");
405 for (i=0; i<NCCS; i++)
406 printf("%02x ", bios->c_cc[i]);
407 printf("\n");
408 }
409#endif
410
411 lios->c_iflag = 0;
412 if (bios->c_iflag & IGNBRK)
413 lios->c_iflag |= LINUX_IGNBRK;
414 if (bios->c_iflag & BRKINT)
415 lios->c_iflag |= LINUX_BRKINT;
416 if (bios->c_iflag & IGNPAR)
417 lios->c_iflag |= LINUX_IGNPAR;
418 if (bios->c_iflag & PARMRK)
419 lios->c_iflag |= LINUX_PARMRK;
420 if (bios->c_iflag & INPCK)
421 lios->c_iflag |= LINUX_INPCK;
422 if (bios->c_iflag & ISTRIP)
423 lios->c_iflag |= LINUX_ISTRIP;
424 if (bios->c_iflag & INLCR)
425 lios->c_iflag |= LINUX_INLCR;
426 if (bios->c_iflag & IGNCR)
427 lios->c_iflag |= LINUX_IGNCR;
428 if (bios->c_iflag & ICRNL)
429 lios->c_iflag |= LINUX_ICRNL;
430 if (bios->c_iflag & IXON)
431 lios->c_iflag |= LINUX_IXON;
432 if (bios->c_iflag & IXANY)
433 lios->c_iflag |= LINUX_IXANY;
434 if (bios->c_iflag & IXOFF)
435 lios->c_iflag |= LINUX_IXOFF;
436 if (bios->c_iflag & IMAXBEL)
437 lios->c_iflag |= LINUX_IMAXBEL;
438
439 lios->c_oflag = 0;
440 if (bios->c_oflag & OPOST)
441 lios->c_oflag |= LINUX_OPOST;
442 if (bios->c_oflag & ONLCR)
443 lios->c_oflag |= LINUX_ONLCR;
444 if (bios->c_oflag & TAB3)
445 lios->c_oflag |= LINUX_XTABS;
446
447 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
448 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
449 if (bios->c_cflag & CSTOPB)
450 lios->c_cflag |= LINUX_CSTOPB;
451 if (bios->c_cflag & CREAD)
452 lios->c_cflag |= LINUX_CREAD;
453 if (bios->c_cflag & PARENB)
454 lios->c_cflag |= LINUX_PARENB;
455 if (bios->c_cflag & PARODD)
456 lios->c_cflag |= LINUX_PARODD;
457 if (bios->c_cflag & HUPCL)
458 lios->c_cflag |= LINUX_HUPCL;
459 if (bios->c_cflag & CLOCAL)
460 lios->c_cflag |= LINUX_CLOCAL;
461 if (bios->c_cflag & CRTSCTS)
462 lios->c_cflag |= LINUX_CRTSCTS;
463
464 lios->c_lflag = 0;
465 if (bios->c_lflag & ISIG)
466 lios->c_lflag |= LINUX_ISIG;
467 if (bios->c_lflag & ICANON)
468 lios->c_lflag |= LINUX_ICANON;
469 if (bios->c_lflag & ECHO)
470 lios->c_lflag |= LINUX_ECHO;
471 if (bios->c_lflag & ECHOE)
472 lios->c_lflag |= LINUX_ECHOE;
473 if (bios->c_lflag & ECHOK)
474 lios->c_lflag |= LINUX_ECHOK;
475 if (bios->c_lflag & ECHONL)
476 lios->c_lflag |= LINUX_ECHONL;
477 if (bios->c_lflag & NOFLSH)
478 lios->c_lflag |= LINUX_NOFLSH;
479 if (bios->c_lflag & TOSTOP)
480 lios->c_lflag |= LINUX_TOSTOP;
481 if (bios->c_lflag & ECHOCTL)
482 lios->c_lflag |= LINUX_ECHOCTL;
483 if (bios->c_lflag & ECHOPRT)
484 lios->c_lflag |= LINUX_ECHOPRT;
485 if (bios->c_lflag & ECHOKE)
486 lios->c_lflag |= LINUX_ECHOKE;
487 if (bios->c_lflag & FLUSHO)
488 lios->c_lflag |= LINUX_FLUSHO;
489 if (bios->c_lflag & PENDIN)
490 lios->c_lflag |= LINUX_PENDIN;
491 if (bios->c_lflag & IEXTEN)
492 lios->c_lflag |= LINUX_IEXTEN;
493
494 for (i=0; i<LINUX_NCCS; i++)
495 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
496 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
497 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
498 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
499 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
500 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
501 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
502 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
503 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
504 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
505 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
506 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
507 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
508 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
509 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
510 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
511 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
512
513 for (i=0; i<LINUX_NCCS; i++) {
514 if (i != LINUX_VMIN && i != LINUX_VTIME &&
515 lios->c_cc[i] == _POSIX_VDISABLE)
516 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
517 }
518 lios->c_line = 0;
519
520#ifdef DEBUG
521 if (ldebug(ioctl)) {
522 printf("LINUX: LINUX termios structure (output):\n");
523 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
524 lios->c_iflag, lios->c_oflag, lios->c_cflag,
525 lios->c_lflag, (int)lios->c_line);
526 printf("c_cc ");
527 for (i=0; i<LINUX_NCCS; i++)
528 printf("%02x ", lios->c_cc[i]);
529 printf("\n");
530 }
531#endif
532}
533
534static void
535linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
536{
537 int i;
538
539#ifdef DEBUG
540 if (ldebug(ioctl)) {
541 printf("LINUX: LINUX termios structure (input):\n");
542 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
543 lios->c_iflag, lios->c_oflag, lios->c_cflag,
544 lios->c_lflag, (int)lios->c_line);
545 printf("c_cc ");
546 for (i=0; i<LINUX_NCCS; i++)
547 printf("%02x ", lios->c_cc[i]);
548 printf("\n");
549 }
550#endif
551
552 bios->c_iflag = 0;
553 if (lios->c_iflag & LINUX_IGNBRK)
554 bios->c_iflag |= IGNBRK;
555 if (lios->c_iflag & LINUX_BRKINT)
556 bios->c_iflag |= BRKINT;
557 if (lios->c_iflag & LINUX_IGNPAR)
558 bios->c_iflag |= IGNPAR;
559 if (lios->c_iflag & LINUX_PARMRK)
560 bios->c_iflag |= PARMRK;
561 if (lios->c_iflag & LINUX_INPCK)
562 bios->c_iflag |= INPCK;
563 if (lios->c_iflag & LINUX_ISTRIP)
564 bios->c_iflag |= ISTRIP;
565 if (lios->c_iflag & LINUX_INLCR)
566 bios->c_iflag |= INLCR;
567 if (lios->c_iflag & LINUX_IGNCR)
568 bios->c_iflag |= IGNCR;
569 if (lios->c_iflag & LINUX_ICRNL)
570 bios->c_iflag |= ICRNL;
571 if (lios->c_iflag & LINUX_IXON)
572 bios->c_iflag |= IXON;
573 if (lios->c_iflag & LINUX_IXANY)
574 bios->c_iflag |= IXANY;
575 if (lios->c_iflag & LINUX_IXOFF)
576 bios->c_iflag |= IXOFF;
577 if (lios->c_iflag & LINUX_IMAXBEL)
578 bios->c_iflag |= IMAXBEL;
579
580 bios->c_oflag = 0;
581 if (lios->c_oflag & LINUX_OPOST)
582 bios->c_oflag |= OPOST;
583 if (lios->c_oflag & LINUX_ONLCR)
584 bios->c_oflag |= ONLCR;
585 if (lios->c_oflag & LINUX_XTABS)
586 bios->c_oflag |= TAB3;
587
588 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
589 if (lios->c_cflag & LINUX_CSTOPB)
590 bios->c_cflag |= CSTOPB;
591 if (lios->c_cflag & LINUX_CREAD)
592 bios->c_cflag |= CREAD;
593 if (lios->c_cflag & LINUX_PARENB)
594 bios->c_cflag |= PARENB;
595 if (lios->c_cflag & LINUX_PARODD)
596 bios->c_cflag |= PARODD;
597 if (lios->c_cflag & LINUX_HUPCL)
598 bios->c_cflag |= HUPCL;
599 if (lios->c_cflag & LINUX_CLOCAL)
600 bios->c_cflag |= CLOCAL;
601 if (lios->c_cflag & LINUX_CRTSCTS)
602 bios->c_cflag |= CRTSCTS;
603
604 bios->c_lflag = 0;
605 if (lios->c_lflag & LINUX_ISIG)
606 bios->c_lflag |= ISIG;
607 if (lios->c_lflag & LINUX_ICANON)
608 bios->c_lflag |= ICANON;
609 if (lios->c_lflag & LINUX_ECHO)
610 bios->c_lflag |= ECHO;
611 if (lios->c_lflag & LINUX_ECHOE)
612 bios->c_lflag |= ECHOE;
613 if (lios->c_lflag & LINUX_ECHOK)
614 bios->c_lflag |= ECHOK;
615 if (lios->c_lflag & LINUX_ECHONL)
616 bios->c_lflag |= ECHONL;
617 if (lios->c_lflag & LINUX_NOFLSH)
618 bios->c_lflag |= NOFLSH;
619 if (lios->c_lflag & LINUX_TOSTOP)
620 bios->c_lflag |= TOSTOP;
621 if (lios->c_lflag & LINUX_ECHOCTL)
622 bios->c_lflag |= ECHOCTL;
623 if (lios->c_lflag & LINUX_ECHOPRT)
624 bios->c_lflag |= ECHOPRT;
625 if (lios->c_lflag & LINUX_ECHOKE)
626 bios->c_lflag |= ECHOKE;
627 if (lios->c_lflag & LINUX_FLUSHO)
628 bios->c_lflag |= FLUSHO;
629 if (lios->c_lflag & LINUX_PENDIN)
630 bios->c_lflag |= PENDIN;
631 if (lios->c_lflag & LINUX_IEXTEN)
632 bios->c_lflag |= IEXTEN;
633
634 for (i=0; i<NCCS; i++)
635 bios->c_cc[i] = _POSIX_VDISABLE;
636 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
637 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
638 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
639 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
640 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
641 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
642 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
643 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
644 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
645 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
646 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
647 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
648 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
649 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
650 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
651 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
652
653 for (i=0; i<NCCS; i++) {
654 if (i != VMIN && i != VTIME &&
655 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
656 bios->c_cc[i] = _POSIX_VDISABLE;
657 }
658
659 bios->c_ispeed = bios->c_ospeed =
660 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
661
662#ifdef DEBUG
663 if (ldebug(ioctl)) {
664 printf("LINUX: BSD termios structure (output):\n");
665 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
666 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
667 bios->c_ispeed, bios->c_ospeed);
668 printf("c_cc ");
669 for (i=0; i<NCCS; i++)
670 printf("%02x ", bios->c_cc[i]);
671 printf("\n");
672 }
673#endif
674}
675
676static void
677bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
678{
679 struct linux_termios lios;
680
681 bsd_to_linux_termios(bios, &lios);
682 lio->c_iflag = lios.c_iflag;
683 lio->c_oflag = lios.c_oflag;
684 lio->c_cflag = lios.c_cflag;
685 lio->c_lflag = lios.c_lflag;
686 lio->c_line = lios.c_line;
687 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
688}
689
690static void
691linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
692{
693 struct linux_termios lios;
694 int i;
695
696 lios.c_iflag = lio->c_iflag;
697 lios.c_oflag = lio->c_oflag;
698 lios.c_cflag = lio->c_cflag;
699 lios.c_lflag = lio->c_lflag;
700 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
701 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
702 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
703 linux_to_bsd_termios(&lios, bios);
704}
705
706static int
707linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
708{
709 struct termios bios;
710 struct linux_termios lios;
711 struct linux_termio lio;
712 cap_rights_t rights;
713 struct file *fp;
714 int error;
715
716 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
717 if (error != 0)
718 return (error);
719
720 switch (args->cmd & 0xffff) {
721
722 case LINUX_TCGETS:
723 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
724 td);
725 if (error)
726 break;
727 bsd_to_linux_termios(&bios, &lios);
728 error = copyout(&lios, (void *)args->arg, sizeof(lios));
729 break;
730
731 case LINUX_TCSETS:
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, TIOCSETA, (caddr_t)&bios, td->td_ucred,
737 td));
738 break;
739
740 case LINUX_TCSETSW:
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, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
746 td));
747 break;
748
749 case LINUX_TCSETSF:
750 error = copyin((void *)args->arg, &lios, sizeof(lios));
751 if (error)
752 break;
753 linux_to_bsd_termios(&lios, &bios);
754 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
755 td));
756 break;
757
758 case LINUX_TCGETA:
759 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
760 td);
761 if (error)
762 break;
763 bsd_to_linux_termio(&bios, &lio);
764 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
765 break;
766
767 case LINUX_TCSETA:
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, TIOCSETA, (caddr_t)&bios, td->td_ucred,
773 td));
774 break;
775
776 case LINUX_TCSETAW:
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, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
782 td));
783 break;
784
785 case LINUX_TCSETAF:
786 error = copyin((void *)args->arg, &lio, sizeof(lio));
787 if (error)
788 break;
789 linux_to_bsd_termio(&lio, &bios);
790 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
791 td));
792 break;
793
794 /* LINUX_TCSBRK */
795
796 case LINUX_TCXONC: {
797 switch (args->arg) {
798 case LINUX_TCOOFF:
799 args->cmd = TIOCSTOP;
800 break;
801 case LINUX_TCOON:
802 args->cmd = TIOCSTART;
803 break;
804 case LINUX_TCIOFF:
805 case LINUX_TCION: {
806 int c;
807 struct write_args wr;
808 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
809 td->td_ucred, td);
810 if (error)
811 break;
812 fdrop(fp, td);
813 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
814 c = bios.c_cc[c];
815 if (c != _POSIX_VDISABLE) {
816 wr.fd = args->fd;
817 wr.buf = &c;
818 wr.nbyte = sizeof(c);
819 return (sys_write(td, &wr));
820 } else
821 return (0);
822 }
823 default:
824 fdrop(fp, td);
825 return (EINVAL);
826 }
827 args->arg = 0;
828 error = (sys_ioctl(td, (struct ioctl_args *)args));
829 break;
830 }
831
832 case LINUX_TCFLSH: {
833 int val;
834 switch (args->arg) {
835 case LINUX_TCIFLUSH:
836 val = FREAD;
837 break;
838 case LINUX_TCOFLUSH:
839 val = FWRITE;
840 break;
841 case LINUX_TCIOFLUSH:
842 val = FREAD | FWRITE;
843 break;
844 default:
845 fdrop(fp, td);
846 return (EINVAL);
847 }
848 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
849 break;
850 }
851
852 case LINUX_TIOCEXCL:
853 args->cmd = TIOCEXCL;
854 error = (sys_ioctl(td, (struct ioctl_args *)args));
855 break;
856
857 case LINUX_TIOCNXCL:
858 args->cmd = TIOCNXCL;
859 error = (sys_ioctl(td, (struct ioctl_args *)args));
860 break;
861
862 case LINUX_TIOCSCTTY:
863 args->cmd = TIOCSCTTY;
864 error = (sys_ioctl(td, (struct ioctl_args *)args));
865 break;
866
867 case LINUX_TIOCGPGRP:
868 args->cmd = TIOCGPGRP;
869 error = (sys_ioctl(td, (struct ioctl_args *)args));
870 break;
871
872 case LINUX_TIOCSPGRP:
873 args->cmd = TIOCSPGRP;
874 error = (sys_ioctl(td, (struct ioctl_args *)args));
875 break;
876
877 /* LINUX_TIOCOUTQ */
878 /* LINUX_TIOCSTI */
879
880 case LINUX_TIOCGWINSZ:
881 args->cmd = TIOCGWINSZ;
882 error = (sys_ioctl(td, (struct ioctl_args *)args));
883 break;
884
885 case LINUX_TIOCSWINSZ:
886 args->cmd = TIOCSWINSZ;
887 error = (sys_ioctl(td, (struct ioctl_args *)args));
888 break;
889
890 case LINUX_TIOCMGET:
891 args->cmd = TIOCMGET;
892 error = (sys_ioctl(td, (struct ioctl_args *)args));
893 break;
894
895 case LINUX_TIOCMBIS:
896 args->cmd = TIOCMBIS;
897 error = (sys_ioctl(td, (struct ioctl_args *)args));
898 break;
899
900 case LINUX_TIOCMBIC:
901 args->cmd = TIOCMBIC;
902 error = (sys_ioctl(td, (struct ioctl_args *)args));
903 break;
904
905 case LINUX_TIOCMSET:
906 args->cmd = TIOCMSET;
907 error = (sys_ioctl(td, (struct ioctl_args *)args));
908 break;
909
910 /* TIOCGSOFTCAR */
911 /* TIOCSSOFTCAR */
912
913 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
914 args->cmd = FIONREAD;
915 error = (sys_ioctl(td, (struct ioctl_args *)args));
916 break;
917
918 /* LINUX_TIOCLINUX */
919
920 case LINUX_TIOCCONS:
921 args->cmd = TIOCCONS;
922 error = (sys_ioctl(td, (struct ioctl_args *)args));
923 break;
924
925 case LINUX_TIOCGSERIAL: {
926 struct linux_serial_struct lss;
927
928 bzero(&lss, sizeof(lss));
929 lss.type = LINUX_PORT_16550A;
930 lss.flags = 0;
931 lss.close_delay = 0;
932 error = copyout(&lss, (void *)args->arg, sizeof(lss));
933 break;
934 }
935
936 case LINUX_TIOCSSERIAL: {
937 struct linux_serial_struct lss;
938 error = copyin((void *)args->arg, &lss, sizeof(lss));
939 if (error)
940 break;
941 /* XXX - It really helps to have an implementation that
942 * does nothing. NOT!
943 */
944 error = 0;
945 break;
946 }
947
948 case LINUX_TIOCPKT:
949 args->cmd = TIOCPKT;
950 error = (sys_ioctl(td, (struct ioctl_args *)args));
951 break;
952
953 case LINUX_FIONBIO:
954 args->cmd = FIONBIO;
955 error = (sys_ioctl(td, (struct ioctl_args *)args));
956 break;
957
958 case LINUX_TIOCNOTTY:
959 args->cmd = TIOCNOTTY;
960 error = (sys_ioctl(td, (struct ioctl_args *)args));
961 break;
962
963 case LINUX_TIOCSETD: {
964 int line;
965 switch (args->arg) {
966 case LINUX_N_TTY:
967 line = TTYDISC;
968 break;
969 case LINUX_N_SLIP:
970 line = SLIPDISC;
971 break;
972 case LINUX_N_PPP:
973 line = PPPDISC;
974 break;
975 default:
976 fdrop(fp, td);
977 return (EINVAL);
978 }
979 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
980 td));
981 break;
982 }
983
984 case LINUX_TIOCGETD: {
985 int linux_line;
986 int bsd_line = TTYDISC;
987 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
988 td->td_ucred, td);
989 if (error)
990 break;
991 switch (bsd_line) {
992 case TTYDISC:
993 linux_line = LINUX_N_TTY;
994 break;
995 case SLIPDISC:
996 linux_line = LINUX_N_SLIP;
997 break;
998 case PPPDISC:
999 linux_line = LINUX_N_PPP;
1000 break;
1001 default:
1002 fdrop(fp, td);
1003 return (EINVAL);
1004 }
1005 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
1006 break;
1007 }
1008
1009 /* LINUX_TCSBRKP */
1010 /* LINUX_TIOCTTYGSTRUCT */
1011
1012 case LINUX_FIONCLEX:
1013 args->cmd = FIONCLEX;
1014 error = (sys_ioctl(td, (struct ioctl_args *)args));
1015 break;
1016
1017 case LINUX_FIOCLEX:
1018 args->cmd = FIOCLEX;
1019 error = (sys_ioctl(td, (struct ioctl_args *)args));
1020 break;
1021
1022 case LINUX_FIOASYNC:
1023 args->cmd = FIOASYNC;
1024 error = (sys_ioctl(td, (struct ioctl_args *)args));
1025 break;
1026
1027 /* LINUX_TIOCSERCONFIG */
1028 /* LINUX_TIOCSERGWILD */
1029 /* LINUX_TIOCSERSWILD */
1030 /* LINUX_TIOCGLCKTRMIOS */
1031 /* LINUX_TIOCSLCKTRMIOS */
1032
1033 case LINUX_TIOCSBRK:
1034 args->cmd = TIOCSBRK;
1035 error = (sys_ioctl(td, (struct ioctl_args *)args));
1036 break;
1037
1038 case LINUX_TIOCCBRK:
1039 args->cmd = TIOCCBRK;
1040 error = (sys_ioctl(td, (struct ioctl_args *)args));
1041 break;
1042 case LINUX_TIOCGPTN: {
1043 int nb;
1044
1045 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1046 if (!error)
1047 error = copyout(&nb, (void *)args->arg,
1048 sizeof(int));
1049 break;
1050 }
1051 case LINUX_TIOCSPTLCK:
1052 /* Our unlockpt() does nothing. */
1053 error = 0;
1054 break;
1055 default:
1056 error = ENOIOCTL;
1057 break;
1058 }
1059
1060 fdrop(fp, td);
1061 return (error);
1062}
1063
1064/*
1065 * CDROM related ioctls
1066 */
1067
1068struct linux_cdrom_msf
1069{
1070 u_char cdmsf_min0;
1071 u_char cdmsf_sec0;
1072 u_char cdmsf_frame0;
1073 u_char cdmsf_min1;
1074 u_char cdmsf_sec1;
1075 u_char cdmsf_frame1;
1076};
1077
1078struct linux_cdrom_tochdr
1079{
1080 u_char cdth_trk0;
1081 u_char cdth_trk1;
1082};
1083
1084union linux_cdrom_addr
1085{
1086 struct {
1087 u_char minute;
1088 u_char second;
1089 u_char frame;
1090 } msf;
1091 int lba;
1092};
1093
1094struct linux_cdrom_tocentry
1095{
1096 u_char cdte_track;
1097 u_char cdte_adr:4;
1098 u_char cdte_ctrl:4;
1099 u_char cdte_format;
1100 union linux_cdrom_addr cdte_addr;
1101 u_char cdte_datamode;
1102};
1103
1104struct linux_cdrom_subchnl
1105{
1106 u_char cdsc_format;
1107 u_char cdsc_audiostatus;
1108 u_char cdsc_adr:4;
1109 u_char cdsc_ctrl:4;
1110 u_char cdsc_trk;
1111 u_char cdsc_ind;
1112 union linux_cdrom_addr cdsc_absaddr;
1113 union linux_cdrom_addr cdsc_reladdr;
1114};
1115
1116struct l_cdrom_read_audio {
1117 union linux_cdrom_addr addr;
1118 u_char addr_format;
1119 l_int nframes;
1120 u_char *buf;
1121};
1122
1123struct l_dvd_layer {
1124 u_char book_version:4;
1125 u_char book_type:4;
1126 u_char min_rate:4;
1127 u_char disc_size:4;
1128 u_char layer_type:4;
1129 u_char track_path:1;
1130 u_char nlayers:2;
1131 u_char track_density:4;
1132 u_char linear_density:4;
1133 u_char bca:1;
1134 u_int32_t start_sector;
1135 u_int32_t end_sector;
1136 u_int32_t end_sector_l0;
1137};
1138
1139struct l_dvd_physical {
1140 u_char type;
1141 u_char layer_num;
1142 struct l_dvd_layer layer[4];
1143};
1144
1145struct l_dvd_copyright {
1146 u_char type;
1147 u_char layer_num;
1148 u_char cpst;
1149 u_char rmi;
1150};
1151
1152struct l_dvd_disckey {
1153 u_char type;
1154 l_uint agid:2;
1155 u_char value[2048];
1156};
1157
1158struct l_dvd_bca {
1159 u_char type;
1160 l_int len;
1161 u_char value[188];
1162};
1163
1164struct l_dvd_manufact {
1165 u_char type;
1166 u_char layer_num;
1167 l_int len;
1168 u_char value[2048];
1169};
1170
1171typedef union {
1172 u_char type;
1173 struct l_dvd_physical physical;
1174 struct l_dvd_copyright copyright;
1175 struct l_dvd_disckey disckey;
1176 struct l_dvd_bca bca;
1177 struct l_dvd_manufact manufact;
1178} l_dvd_struct;
1179
1180typedef u_char l_dvd_key[5];
1181typedef u_char l_dvd_challenge[10];
1182
1183struct l_dvd_lu_send_agid {
1184 u_char type;
1185 l_uint agid:2;
1186};
1187
1188struct l_dvd_host_send_challenge {
1189 u_char type;
1190 l_uint agid:2;
1191 l_dvd_challenge chal;
1192};
1193
1194struct l_dvd_send_key {
1195 u_char type;
1196 l_uint agid:2;
1197 l_dvd_key key;
1198};
1199
1200struct l_dvd_lu_send_challenge {
1201 u_char type;
1202 l_uint agid:2;
1203 l_dvd_challenge chal;
1204};
1205
1206struct l_dvd_lu_send_title_key {
1207 u_char type;
1208 l_uint agid:2;
1209 l_dvd_key title_key;
1210 l_int lba;
1211 l_uint cpm:1;
1212 l_uint cp_sec:1;
1213 l_uint cgms:2;
1214};
1215
1216struct l_dvd_lu_send_asf {
1217 u_char type;
1218 l_uint agid:2;
1219 l_uint asf:1;
1220};
1221
1222struct l_dvd_host_send_rpcstate {
1223 u_char type;
1224 u_char pdrc;
1225};
1226
1227struct l_dvd_lu_send_rpcstate {
1228 u_char type:2;
1229 u_char vra:3;
1230 u_char ucca:3;
1231 u_char region_mask;
1232 u_char rpc_scheme;
1233};
1234
1235typedef union {
1236 u_char type;
1237 struct l_dvd_lu_send_agid lsa;
1238 struct l_dvd_host_send_challenge hsc;
1239 struct l_dvd_send_key lsk;
1240 struct l_dvd_lu_send_challenge lsc;
1241 struct l_dvd_send_key hsk;
1242 struct l_dvd_lu_send_title_key lstk;
1243 struct l_dvd_lu_send_asf lsasf;
1244 struct l_dvd_host_send_rpcstate hrpcs;
1245 struct l_dvd_lu_send_rpcstate lrpcs;
1246} l_dvd_authinfo;
1247
1248static void
1249bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1250{
1251 if (af == CD_LBA_FORMAT)
1252 lp->lba = bp->lba;
1253 else {
1254 lp->msf.minute = bp->msf.minute;
1255 lp->msf.second = bp->msf.second;
1256 lp->msf.frame = bp->msf.frame;
1257 }
1258}
1259
1260static void
1261set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1262{
1263 if (format == LINUX_CDROM_MSF) {
1264 addr->msf.frame = lba % 75;
1265 lba /= 75;
1266 lba += 2;
1267 addr->msf.second = lba % 60;
1268 addr->msf.minute = lba / 60;
1269 } else
1270 addr->lba = lba;
1271}
1272
1273static int
1274linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1275{
1276 bp->format = lp->type;
1277 switch (bp->format) {
1278 case DVD_STRUCT_PHYSICAL:
1279 if (bp->layer_num >= 4)
1280 return (EINVAL);
1281 bp->layer_num = lp->physical.layer_num;
1282 break;
1283 case DVD_STRUCT_COPYRIGHT:
1284 bp->layer_num = lp->copyright.layer_num;
1285 break;
1286 case DVD_STRUCT_DISCKEY:
1287 bp->agid = lp->disckey.agid;
1288 break;
1289 case DVD_STRUCT_BCA:
1290 case DVD_STRUCT_MANUFACT:
1291 break;
1292 default:
1293 return (EINVAL);
1294 }
1295 return (0);
1296}
1297
1298static int
1299bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1300{
1301 switch (bp->format) {
1302 case DVD_STRUCT_PHYSICAL: {
1303 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1304 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1305 memset(llp, 0, sizeof(*llp));
1306 llp->book_version = blp->book_version;
1307 llp->book_type = blp->book_type;
1308 llp->min_rate = blp->max_rate;
1309 llp->disc_size = blp->disc_size;
1310 llp->layer_type = blp->layer_type;
1311 llp->track_path = blp->track_path;
1312 llp->nlayers = blp->nlayers;
1313 llp->track_density = blp->track_density;
1314 llp->linear_density = blp->linear_density;
1315 llp->bca = blp->bca;
1316 llp->start_sector = blp->start_sector;
1317 llp->end_sector = blp->end_sector;
1318 llp->end_sector_l0 = blp->end_sector_l0;
1319 break;
1320 }
1321 case DVD_STRUCT_COPYRIGHT:
1322 lp->copyright.cpst = bp->cpst;
1323 lp->copyright.rmi = bp->rmi;
1324 break;
1325 case DVD_STRUCT_DISCKEY:
1326 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1327 break;
1328 case DVD_STRUCT_BCA:
1329 lp->bca.len = bp->length;
1330 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1331 break;
1332 case DVD_STRUCT_MANUFACT:
1333 lp->manufact.len = bp->length;
1334 memcpy(lp->manufact.value, bp->data,
1335 sizeof(lp->manufact.value));
1336 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */
1337 break;
1338 default:
1339 return (EINVAL);
1340 }
1341 return (0);
1342}
1343
1344static int
1345linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1346 struct dvd_authinfo *bp)
1347{
1348 switch (lp->type) {
1349 case LINUX_DVD_LU_SEND_AGID:
1350 *bcode = DVDIOCREPORTKEY;
1351 bp->format = DVD_REPORT_AGID;
1352 bp->agid = lp->lsa.agid;
1353 break;
1354 case LINUX_DVD_HOST_SEND_CHALLENGE:
1355 *bcode = DVDIOCSENDKEY;
1356 bp->format = DVD_SEND_CHALLENGE;
1357 bp->agid = lp->hsc.agid;
1358 memcpy(bp->keychal, lp->hsc.chal, 10);
1359 break;
1360 case LINUX_DVD_LU_SEND_KEY1:
1361 *bcode = DVDIOCREPORTKEY;
1362 bp->format = DVD_REPORT_KEY1;
1363 bp->agid = lp->lsk.agid;
1364 break;
1365 case LINUX_DVD_LU_SEND_CHALLENGE:
1366 *bcode = DVDIOCREPORTKEY;
1367 bp->format = DVD_REPORT_CHALLENGE;
1368 bp->agid = lp->lsc.agid;
1369 break;
1370 case LINUX_DVD_HOST_SEND_KEY2:
1371 *bcode = DVDIOCSENDKEY;
1372 bp->format = DVD_SEND_KEY2;
1373 bp->agid = lp->hsk.agid;
1374 memcpy(bp->keychal, lp->hsk.key, 5);
1375 break;
1376 case LINUX_DVD_LU_SEND_TITLE_KEY:
1377 *bcode = DVDIOCREPORTKEY;
1378 bp->format = DVD_REPORT_TITLE_KEY;
1379 bp->agid = lp->lstk.agid;
1380 bp->lba = lp->lstk.lba;
1381 break;
1382 case LINUX_DVD_LU_SEND_ASF:
1383 *bcode = DVDIOCREPORTKEY;
1384 bp->format = DVD_REPORT_ASF;
1385 bp->agid = lp->lsasf.agid;
1386 break;
1387 case LINUX_DVD_INVALIDATE_AGID:
1388 *bcode = DVDIOCREPORTKEY;
1389 bp->format = DVD_INVALIDATE_AGID;
1390 bp->agid = lp->lsa.agid;
1391 break;
1392 case LINUX_DVD_LU_SEND_RPC_STATE:
1393 *bcode = DVDIOCREPORTKEY;
1394 bp->format = DVD_REPORT_RPC;
1395 break;
1396 case LINUX_DVD_HOST_SEND_RPC_STATE:
1397 *bcode = DVDIOCSENDKEY;
1398 bp->format = DVD_SEND_RPC;
1399 bp->region = lp->hrpcs.pdrc;
1400 break;
1401 default:
1402 return (EINVAL);
1403 }
1404 return (0);
1405}
1406
1407static int
1408bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1409{
1410 switch (lp->type) {
1411 case LINUX_DVD_LU_SEND_AGID:
1412 lp->lsa.agid = bp->agid;
1413 break;
1414 case LINUX_DVD_HOST_SEND_CHALLENGE:
1415 lp->type = LINUX_DVD_LU_SEND_KEY1;
1416 break;
1417 case LINUX_DVD_LU_SEND_KEY1:
1418 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1419 break;
1420 case LINUX_DVD_LU_SEND_CHALLENGE:
1421 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1422 break;
1423 case LINUX_DVD_HOST_SEND_KEY2:
1424 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1425 break;
1426 case LINUX_DVD_LU_SEND_TITLE_KEY:
1427 memcpy(lp->lstk.title_key, bp->keychal,
1428 sizeof(lp->lstk.title_key));
1429 lp->lstk.cpm = bp->cpm;
1430 lp->lstk.cp_sec = bp->cp_sec;
1431 lp->lstk.cgms = bp->cgms;
1432 break;
1433 case LINUX_DVD_LU_SEND_ASF:
1434 lp->lsasf.asf = bp->asf;
1435 break;
1436 case LINUX_DVD_INVALIDATE_AGID:
1437 break;
1438 case LINUX_DVD_LU_SEND_RPC_STATE:
1439 lp->lrpcs.type = bp->reg_type;
1440 lp->lrpcs.vra = bp->vend_rsts;
1441 lp->lrpcs.ucca = bp->user_rsts;
1442 lp->lrpcs.region_mask = bp->region;
1443 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1444 break;
1445 case LINUX_DVD_HOST_SEND_RPC_STATE:
1446 break;
1447 default:
1448 return (EINVAL);
1449 }
1450 return (0);
1451}
1452
1453static int
1454linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1455{
1456 cap_rights_t rights;
1457 struct file *fp;
1458 int error;
1459
1460 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
1461 if (error != 0)
1462 return (error);
1463 switch (args->cmd & 0xffff) {
1464
1465 case LINUX_CDROMPAUSE:
1466 args->cmd = CDIOCPAUSE;
1467 error = (sys_ioctl(td, (struct ioctl_args *)args));
1468 break;
1469
1470 case LINUX_CDROMRESUME:
1471 args->cmd = CDIOCRESUME;
1472 error = (sys_ioctl(td, (struct ioctl_args *)args));
1473 break;
1474
1475 case LINUX_CDROMPLAYMSF:
1476 args->cmd = CDIOCPLAYMSF;
1477 error = (sys_ioctl(td, (struct ioctl_args *)args));
1478 break;
1479
1480 case LINUX_CDROMPLAYTRKIND:
1481 args->cmd = CDIOCPLAYTRACKS;
1482 error = (sys_ioctl(td, (struct ioctl_args *)args));
1483 break;
1484
1485 case LINUX_CDROMREADTOCHDR: {
1486 struct ioc_toc_header th;
1487 struct linux_cdrom_tochdr lth;
1488 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1489 td->td_ucred, td);
1490 if (!error) {
1491 lth.cdth_trk0 = th.starting_track;
1492 lth.cdth_trk1 = th.ending_track;
1493 copyout(&lth, (void *)args->arg, sizeof(lth));
1494 }
1495 break;
1496 }
1497
1498 case LINUX_CDROMREADTOCENTRY: {
1499 struct linux_cdrom_tocentry lte;
1500 struct ioc_read_toc_single_entry irtse;
1501
1502 error = copyin((void *)args->arg, &lte, sizeof(lte));
1503 if (error)
1504 break;
1505 irtse.address_format = lte.cdte_format;
1506 irtse.track = lte.cdte_track;
1507 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1508 td->td_ucred, td);
1509 if (!error) {
1510 lte.cdte_ctrl = irtse.entry.control;
1511 lte.cdte_adr = irtse.entry.addr_type;
1512 bsd_to_linux_msf_lba(irtse.address_format,
1513 &irtse.entry.addr, &lte.cdte_addr);
1514 error = copyout(&lte, (void *)args->arg, sizeof(lte));
1515 }
1516 break;
1517 }
1518
1519 case LINUX_CDROMSTOP:
1520 args->cmd = CDIOCSTOP;
1521 error = (sys_ioctl(td, (struct ioctl_args *)args));
1522 break;
1523
1524 case LINUX_CDROMSTART:
1525 args->cmd = CDIOCSTART;
1526 error = (sys_ioctl(td, (struct ioctl_args *)args));
1527 break;
1528
1529 case LINUX_CDROMEJECT:
1530 args->cmd = CDIOCEJECT;
1531 error = (sys_ioctl(td, (struct ioctl_args *)args));
1532 break;
1533
1534 /* LINUX_CDROMVOLCTRL */
1535
1536 case LINUX_CDROMSUBCHNL: {
1537 struct linux_cdrom_subchnl sc;
1538 struct ioc_read_subchannel bsdsc;
1539 struct cd_sub_channel_info bsdinfo;
1540
1541 bsdsc.address_format = CD_LBA_FORMAT;
1542 bsdsc.data_format = CD_CURRENT_POSITION;
1543 bsdsc.track = 0;
1544 bsdsc.data_len = sizeof(bsdinfo);
1545 bsdsc.data = &bsdinfo;
1546 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE,
1547 (caddr_t)&bsdsc, td->td_ucred, td);
1548 if (error)
1549 break;
1550 error = copyin((void *)args->arg, &sc, sizeof(sc));
1551 if (error)
1552 break;
1553 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1554 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1555 sc.cdsc_ctrl = bsdinfo.what.position.control;
1556 sc.cdsc_trk = bsdinfo.what.position.track_number;
1557 sc.cdsc_ind = bsdinfo.what.position.index_number;
1558 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1559 bsdinfo.what.position.absaddr.lba);
1560 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1561 bsdinfo.what.position.reladdr.lba);
1562 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1563 break;
1564 }
1565
1566 /* LINUX_CDROMREADMODE2 */
1567 /* LINUX_CDROMREADMODE1 */
1568 /* LINUX_CDROMREADAUDIO */
1569 /* LINUX_CDROMEJECT_SW */
1570 /* LINUX_CDROMMULTISESSION */
1571 /* LINUX_CDROM_GET_UPC */
1572
1573 case LINUX_CDROMRESET:
1574 args->cmd = CDIOCRESET;
1575 error = (sys_ioctl(td, (struct ioctl_args *)args));
1576 break;
1577
1578 /* LINUX_CDROMVOLREAD */
1579 /* LINUX_CDROMREADRAW */
1580 /* LINUX_CDROMREADCOOKED */
1581 /* LINUX_CDROMSEEK */
1582 /* LINUX_CDROMPLAYBLK */
1583 /* LINUX_CDROMREADALL */
1584 /* LINUX_CDROMCLOSETRAY */
1585 /* LINUX_CDROMLOADFROMSLOT */
1586 /* LINUX_CDROMGETSPINDOWN */
1587 /* LINUX_CDROMSETSPINDOWN */
1588 /* LINUX_CDROM_SET_OPTIONS */
1589 /* LINUX_CDROM_CLEAR_OPTIONS */
1590 /* LINUX_CDROM_SELECT_SPEED */
1591 /* LINUX_CDROM_SELECT_DISC */
1592 /* LINUX_CDROM_MEDIA_CHANGED */
1593 /* LINUX_CDROM_DRIVE_STATUS */
1594 /* LINUX_CDROM_DISC_STATUS */
1595 /* LINUX_CDROM_CHANGER_NSLOTS */
1596 /* LINUX_CDROM_LOCKDOOR */
1597 /* LINUX_CDROM_DEBUG */
1598 /* LINUX_CDROM_GET_CAPABILITY */
1599 /* LINUX_CDROMAUDIOBUFSIZ */
1600
1601 case LINUX_DVD_READ_STRUCT: {
1602 l_dvd_struct *lds;
1603 struct dvd_struct *bds;
1604
1605 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1606 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1607 error = copyin((void *)args->arg, lds, sizeof(*lds));
1608 if (error)
1609 goto out;
1610 error = linux_to_bsd_dvd_struct(lds, bds);
1611 if (error)
1612 goto out;
1613 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1614 td->td_ucred, td);
1615 if (error)
1616 goto out;
1617 error = bsd_to_linux_dvd_struct(bds, lds);
1618 if (error)
1619 goto out;
1620 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1621 out:
1622 free(bds, M_LINUX);
1623 free(lds, M_LINUX);
1624 break;
1625 }
1626
1627 /* LINUX_DVD_WRITE_STRUCT */
1628
1629 case LINUX_DVD_AUTH: {
1630 l_dvd_authinfo lda;
1631 struct dvd_authinfo bda;
1632 int bcode;
1633
1634 error = copyin((void *)args->arg, &lda, sizeof(lda));
1635 if (error)
1636 break;
1637 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1638 if (error)
1639 break;
1640 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1641 td);
1642 if (error) {
1643 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1644 lda.type = LINUX_DVD_AUTH_FAILURE;
1645 copyout(&lda, (void *)args->arg, sizeof(lda));
1646 }
1647 break;
1648 }
1649 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1650 if (error)
1651 break;
1652 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1653 break;
1654 }
1655
1656 case LINUX_SCSI_GET_BUS_NUMBER:
1657 {
1658 struct sg_scsi_id id;
1659
1660 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1661 td->td_ucred, td);
1662 if (error)
1663 break;
1664 error = copyout(&id.channel, (void *)args->arg, sizeof(int));
1665 break;
1666 }
1667
1668 case LINUX_SCSI_GET_IDLUN:
1669 {
1670 struct sg_scsi_id id;
1671 struct scsi_idlun idl;
1672
1673 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id,
1674 td->td_ucred, td);
1675 if (error)
1676 break;
1677 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) +
1678 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24);
1679 idl.host_unique_id = id.host_no;
1680 error = copyout(&idl, (void *)args->arg, sizeof(idl));
1681 break;
1682 }
1683
1684 /* LINUX_CDROM_SEND_PACKET */
1685 /* LINUX_CDROM_NEXT_WRITABLE */
1686 /* LINUX_CDROM_LAST_WRITTEN */
1687
1688 default:
1689 error = ENOIOCTL;
1690 break;
1691 }
1692
1693 fdrop(fp, td);
1694 return (error);
1695}
1696
1697static int
1698linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1699{
1700
1701 return (ENOTTY);
1702}
1703
1704/*
1705 * Sound related ioctls
1706 */
1707
1708struct linux_old_mixer_info {
1709 char id[16];
1710 char name[32];
1711};
1712
1713static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1714
1715#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1716
1717static int
1718linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1719{
1720
1721 switch (args->cmd & 0xffff) {
1722
1723 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1724 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1725 return (sys_ioctl(td, (struct ioctl_args *)args));
1726
1727 case LINUX_SOUND_MIXER_WRITE_BASS:
1728 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1729 return (sys_ioctl(td, (struct ioctl_args *)args));
1730
1731 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1732 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1733 return (sys_ioctl(td, (struct ioctl_args *)args));
1734
1735 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1736 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1737 return (sys_ioctl(td, (struct ioctl_args *)args));
1738
1739 case LINUX_SOUND_MIXER_WRITE_PCM:
1740 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1741 return (sys_ioctl(td, (struct ioctl_args *)args));
1742
1743 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1744 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1745 return (sys_ioctl(td, (struct ioctl_args *)args));
1746
1747 case LINUX_SOUND_MIXER_WRITE_LINE:
1748 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1749 return (sys_ioctl(td, (struct ioctl_args *)args));
1750
1751 case LINUX_SOUND_MIXER_WRITE_MIC:
1752 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1753 return (sys_ioctl(td, (struct ioctl_args *)args));
1754
1755 case LINUX_SOUND_MIXER_WRITE_CD:
1756 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1757 return (sys_ioctl(td, (struct ioctl_args *)args));
1758
1759 case LINUX_SOUND_MIXER_WRITE_IMIX:
1760 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1761 return (sys_ioctl(td, (struct ioctl_args *)args));
1762
1763 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1764 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1765 return (sys_ioctl(td, (struct ioctl_args *)args));
1766
1767 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1768 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1769 return (sys_ioctl(td, (struct ioctl_args *)args));
1770
1771 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1772 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1773 return (sys_ioctl(td, (struct ioctl_args *)args));
1774
1775 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1776 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1777 return (sys_ioctl(td, (struct ioctl_args *)args));
1778
1779 case LINUX_SOUND_MIXER_WRITE_LINE1:
1780 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1781 return (sys_ioctl(td, (struct ioctl_args *)args));
1782
1783 case LINUX_SOUND_MIXER_WRITE_LINE2:
1784 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1785 return (sys_ioctl(td, (struct ioctl_args *)args));
1786
1787 case LINUX_SOUND_MIXER_WRITE_LINE3:
1788 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1789 return (sys_ioctl(td, (struct ioctl_args *)args));
1790
1791 case LINUX_SOUND_MIXER_INFO: {
1792 /* Key on encoded length */
1793 switch ((args->cmd >> 16) & 0x1fff) {
1794 case 0x005c: { /* SOUND_MIXER_INFO */
1795 args->cmd = SOUND_MIXER_INFO;
1796 return (sys_ioctl(td, (struct ioctl_args *)args));
1797 }
1798 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1799 struct linux_old_mixer_info info;
1800 bzero(&info, sizeof(info));
1801 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1802 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1803 copyout(&info, (void *)args->arg, sizeof(info));
1804 return (0);
1805 }
1806 default:
1807 return (ENOIOCTL);
1808 }
1809 break;
1810 }
1811
1812 case LINUX_OSS_GETVERSION: {
1813 int version = linux_get_oss_version(td);
1814 return (copyout(&version, (void *)args->arg, sizeof(int)));
1815 }
1816
1817 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1818 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1819 return (sys_ioctl(td, (struct ioctl_args *)args));
1820
1821 case LINUX_SOUND_MIXER_READ_CAPS:
1822 args->cmd = SOUND_MIXER_READ_CAPS;
1823 return (sys_ioctl(td, (struct ioctl_args *)args));
1824
1825 case LINUX_SOUND_MIXER_READ_RECMASK:
1826 args->cmd = SOUND_MIXER_READ_RECMASK;
1827 return (sys_ioctl(td, (struct ioctl_args *)args));
1828
1829 case LINUX_SOUND_MIXER_READ_DEVMASK:
1830 args->cmd = SOUND_MIXER_READ_DEVMASK;
1831 return (sys_ioctl(td, (struct ioctl_args *)args));
1832
1833 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1834 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1835 return (sys_ioctl(td, (struct ioctl_args *)args));
1836
1837 case LINUX_SNDCTL_DSP_RESET:
1838 args->cmd = SNDCTL_DSP_RESET;
1839 return (sys_ioctl(td, (struct ioctl_args *)args));
1840
1841 case LINUX_SNDCTL_DSP_SYNC:
1842 args->cmd = SNDCTL_DSP_SYNC;
1843 return (sys_ioctl(td, (struct ioctl_args *)args));
1844
1845 case LINUX_SNDCTL_DSP_SPEED:
1846 args->cmd = SNDCTL_DSP_SPEED;
1847 return (sys_ioctl(td, (struct ioctl_args *)args));
1848
1849 case LINUX_SNDCTL_DSP_STEREO:
1850 args->cmd = SNDCTL_DSP_STEREO;
1851 return (sys_ioctl(td, (struct ioctl_args *)args));
1852
1853 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1854 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1855 return (sys_ioctl(td, (struct ioctl_args *)args));
1856
1857 case LINUX_SNDCTL_DSP_SETFMT:
1858 args->cmd = SNDCTL_DSP_SETFMT;
1859 return (sys_ioctl(td, (struct ioctl_args *)args));
1860
1861 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1862 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1863 return (sys_ioctl(td, (struct ioctl_args *)args));
1864
1865 case LINUX_SOUND_PCM_WRITE_FILTER:
1866 args->cmd = SOUND_PCM_WRITE_FILTER;
1867 return (sys_ioctl(td, (struct ioctl_args *)args));
1868
1869 case LINUX_SNDCTL_DSP_POST:
1870 args->cmd = SNDCTL_DSP_POST;
1871 return (sys_ioctl(td, (struct ioctl_args *)args));
1872
1873 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1874 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1875 return (sys_ioctl(td, (struct ioctl_args *)args));
1876
1877 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1878 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1879 return (sys_ioctl(td, (struct ioctl_args *)args));
1880
1881 case LINUX_SNDCTL_DSP_GETFMTS:
1882 args->cmd = SNDCTL_DSP_GETFMTS;
1883 return (sys_ioctl(td, (struct ioctl_args *)args));
1884
1885 case LINUX_SNDCTL_DSP_GETOSPACE:
1886 args->cmd = SNDCTL_DSP_GETOSPACE;
1887 return (sys_ioctl(td, (struct ioctl_args *)args));
1888
1889 case LINUX_SNDCTL_DSP_GETISPACE:
1890 args->cmd = SNDCTL_DSP_GETISPACE;
1891 return (sys_ioctl(td, (struct ioctl_args *)args));
1892
1893 case LINUX_SNDCTL_DSP_NONBLOCK:
1894 args->cmd = SNDCTL_DSP_NONBLOCK;
1895 return (sys_ioctl(td, (struct ioctl_args *)args));
1896
1897 case LINUX_SNDCTL_DSP_GETCAPS:
1898 args->cmd = SNDCTL_DSP_GETCAPS;
1899 return (sys_ioctl(td, (struct ioctl_args *)args));
1900
1901 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1902 args->cmd = SNDCTL_DSP_SETTRIGGER;
1903 return (sys_ioctl(td, (struct ioctl_args *)args));
1904
1905 case LINUX_SNDCTL_DSP_GETIPTR:
1906 args->cmd = SNDCTL_DSP_GETIPTR;
1907 return (sys_ioctl(td, (struct ioctl_args *)args));
1908
1909 case LINUX_SNDCTL_DSP_GETOPTR:
1910 args->cmd = SNDCTL_DSP_GETOPTR;
1911 return (sys_ioctl(td, (struct ioctl_args *)args));
1912
1913 case LINUX_SNDCTL_DSP_SETDUPLEX:
1914 args->cmd = SNDCTL_DSP_SETDUPLEX;
1915 return (sys_ioctl(td, (struct ioctl_args *)args));
1916
1917 case LINUX_SNDCTL_DSP_GETODELAY:
1918 args->cmd = SNDCTL_DSP_GETODELAY;
1919 return (sys_ioctl(td, (struct ioctl_args *)args));
1920
1921 case LINUX_SNDCTL_SEQ_RESET:
1922 args->cmd = SNDCTL_SEQ_RESET;
1923 return (sys_ioctl(td, (struct ioctl_args *)args));
1924
1925 case LINUX_SNDCTL_SEQ_SYNC:
1926 args->cmd = SNDCTL_SEQ_SYNC;
1927 return (sys_ioctl(td, (struct ioctl_args *)args));
1928
1929 case LINUX_SNDCTL_SYNTH_INFO:
1930 args->cmd = SNDCTL_SYNTH_INFO;
1931 return (sys_ioctl(td, (struct ioctl_args *)args));
1932
1933 case LINUX_SNDCTL_SEQ_CTRLRATE:
1934 args->cmd = SNDCTL_SEQ_CTRLRATE;
1935 return (sys_ioctl(td, (struct ioctl_args *)args));
1936
1937 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1938 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1939 return (sys_ioctl(td, (struct ioctl_args *)args));
1940
1941 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1942 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1943 return (sys_ioctl(td, (struct ioctl_args *)args));
1944
1945 case LINUX_SNDCTL_SEQ_PERCMODE:
1946 args->cmd = SNDCTL_SEQ_PERCMODE;
1947 return (sys_ioctl(td, (struct ioctl_args *)args));
1948
1949 case LINUX_SNDCTL_FM_LOAD_INSTR:
1950 args->cmd = SNDCTL_FM_LOAD_INSTR;
1951 return (sys_ioctl(td, (struct ioctl_args *)args));
1952
1953 case LINUX_SNDCTL_SEQ_TESTMIDI:
1954 args->cmd = SNDCTL_SEQ_TESTMIDI;
1955 return (sys_ioctl(td, (struct ioctl_args *)args));
1956
1957 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1958 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1959 return (sys_ioctl(td, (struct ioctl_args *)args));
1960
1961 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1962 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1963 return (sys_ioctl(td, (struct ioctl_args *)args));
1964
1965 case LINUX_SNDCTL_SEQ_NRMIDIS:
1966 args->cmd = SNDCTL_SEQ_NRMIDIS;
1967 return (sys_ioctl(td, (struct ioctl_args *)args));
1968
1969 case LINUX_SNDCTL_MIDI_INFO:
1970 args->cmd = SNDCTL_MIDI_INFO;
1971 return (sys_ioctl(td, (struct ioctl_args *)args));
1972
1973 case LINUX_SNDCTL_SEQ_TRESHOLD:
1974 args->cmd = SNDCTL_SEQ_TRESHOLD;
1975 return (sys_ioctl(td, (struct ioctl_args *)args));
1976
1977 case LINUX_SNDCTL_SYNTH_MEMAVL:
1978 args->cmd = SNDCTL_SYNTH_MEMAVL;
1979 return (sys_ioctl(td, (struct ioctl_args *)args));
1980
1981 }
1982
1983 return (ENOIOCTL);
1984}
1985
1986/*
1987 * Console related ioctls
1988 */
1989
1990static int
1991linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1992{
1993 cap_rights_t rights;
1994 struct file *fp;
1995 int error;
1996
1997 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
1998 if (error != 0)
1999 return (error);
2000 switch (args->cmd & 0xffff) {
2001
2002 case LINUX_KIOCSOUND:
2003 args->cmd = KIOCSOUND;
2004 error = (sys_ioctl(td, (struct ioctl_args *)args));
2005 break;
2006
2007 case LINUX_KDMKTONE:
2008 args->cmd = KDMKTONE;
2009 error = (sys_ioctl(td, (struct ioctl_args *)args));
2010 break;
2011
2012 case LINUX_KDGETLED:
2013 args->cmd = KDGETLED;
2014 error = (sys_ioctl(td, (struct ioctl_args *)args));
2015 break;
2016
2017 case LINUX_KDSETLED:
2018 args->cmd = KDSETLED;
2019 error = (sys_ioctl(td, (struct ioctl_args *)args));
2020 break;
2021
2022 case LINUX_KDSETMODE:
2023 args->cmd = KDSETMODE;
2024 error = (sys_ioctl(td, (struct ioctl_args *)args));
2025 break;
2026
2027 case LINUX_KDGETMODE:
2028 args->cmd = KDGETMODE;
2029 error = (sys_ioctl(td, (struct ioctl_args *)args));
2030 break;
2031
2032 case LINUX_KDGKBMODE:
2033 args->cmd = KDGKBMODE;
2034 error = (sys_ioctl(td, (struct ioctl_args *)args));
2035 break;
2036
2037 case LINUX_KDSKBMODE: {
2038 int kbdmode;
2039 switch (args->arg) {
2040 case LINUX_KBD_RAW:
2041 kbdmode = K_RAW;
2042 break;
2043 case LINUX_KBD_XLATE:
2044 kbdmode = K_XLATE;
2045 break;
2046 case LINUX_KBD_MEDIUMRAW:
2047 kbdmode = K_RAW;
2048 break;
2049 default:
2050 fdrop(fp, td);
2051 return (EINVAL);
2052 }
2053 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
2054 td->td_ucred, td));
2055 break;
2056 }
2057
2058 case LINUX_VT_OPENQRY:
2059 args->cmd = VT_OPENQRY;
2060 error = (sys_ioctl(td, (struct ioctl_args *)args));
2061 break;
2062
2063 case LINUX_VT_GETMODE:
2064 args->cmd = VT_GETMODE;
2065 error = (sys_ioctl(td, (struct ioctl_args *)args));
2066 break;
2067
2068 case LINUX_VT_SETMODE: {
2069 struct vt_mode mode;
2070 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2071 break;
2072 if (LINUX_SIG_VALID(mode.relsig))
2073 mode.relsig = linux_to_bsd_signal(mode.relsig);
2074 else
2075 mode.relsig = 0;
2076 if (LINUX_SIG_VALID(mode.acqsig))
2077 mode.acqsig = linux_to_bsd_signal(mode.acqsig);
2078 else
2079 mode.acqsig = 0;
2080 /* XXX. Linux ignores frsig and set it to 0. */
2081 mode.frsig = 0;
2082 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2083 break;
2084 args->cmd = VT_SETMODE;
2085 error = (sys_ioctl(td, (struct ioctl_args *)args));
2086 break;
2087 }
2088
2089 case LINUX_VT_GETSTATE:
2090 args->cmd = VT_GETACTIVE;
2091 error = (sys_ioctl(td, (struct ioctl_args *)args));
2092 break;
2093
2094 case LINUX_VT_RELDISP:
2095 args->cmd = VT_RELDISP;
2096 error = (sys_ioctl(td, (struct ioctl_args *)args));
2097 break;
2098
2099 case LINUX_VT_ACTIVATE:
2100 args->cmd = VT_ACTIVATE;
2101 error = (sys_ioctl(td, (struct ioctl_args *)args));
2102 break;
2103
2104 case LINUX_VT_WAITACTIVE:
2105 args->cmd = VT_WAITACTIVE;
2106 error = (sys_ioctl(td, (struct ioctl_args *)args));
2107 break;
2108
2109 default:
2110 error = ENOIOCTL;
2111 break;
2112 }
2113
2114 fdrop(fp, td);
2115 return (error);
2116}
2117
2118/*
2119 * Criteria for interface name translation
2120 */
2121#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
2122
2123/*
2124 * Translate a Linux interface name to a FreeBSD interface name,
2125 * and return the associated ifnet structure
2126 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
2127 * can point to the same buffer.
2128 */
2129
2130static struct ifnet *
2131ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname)
2132{
2133 struct ifnet *ifp;
2134 int len, unit;
2135 char *ep;
2136 int is_eth, index;
2137
2138 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
2139 if (!isalpha(lxname[len]))
2140 break;
2141 if (len == 0 || len == LINUX_IFNAMSIZ)
2142 return (NULL);
2143 unit = (int)strtoul(lxname + len, &ep, 10);
2144 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
2145 return (NULL);
2146 index = 0;
2147 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
2148 CURVNET_SET(TD_TO_VNET(td));
2149 IFNET_RLOCK();
2150 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2151 /*
2152 * Allow Linux programs to use FreeBSD names. Don't presume
2153 * we never have an interface named "eth", so don't make
2154 * the test optional based on is_eth.
2155 */
2156 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
2157 break;
2158 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
2159 break;
2160 }
2161 IFNET_RUNLOCK();
2162 CURVNET_RESTORE();
2163 if (ifp != NULL)
2164 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
2165 return (ifp);
2166}
2167
2168/*
2169 * Implement the SIOCGIFCONF ioctl
2170 */
2171
2172static int
2173linux_ifconf(struct thread *td, struct ifconf *uifc)
2174{
2175#ifdef COMPAT_LINUX32
2176 struct l_ifconf ifc;
2177#else
2178 struct ifconf ifc;
2179#endif
2180 struct l_ifreq ifr;
2181 struct ifnet *ifp;
2182 struct ifaddr *ifa;
2183 struct sbuf *sb;
2184 int error, ethno, full = 0, valid_len, max_len;
2185
2186 error = copyin(uifc, &ifc, sizeof(ifc));
2187 if (error != 0)
2188 return (error);
2189
2190 max_len = MAXPHYS - 1;
2191
2192 CURVNET_SET(TD_TO_VNET(td));
2193 /* handle the 'request buffer size' case */
2194 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) {
2195 ifc.ifc_len = 0;
2196 IFNET_RLOCK();
2197 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2198 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2199 struct sockaddr *sa = ifa->ifa_addr;
2200 if (sa->sa_family == AF_INET)
2201 ifc.ifc_len += sizeof(ifr);
2202 }
2203 }
2204 IFNET_RUNLOCK();
2205 error = copyout(&ifc, uifc, sizeof(ifc));
2206 CURVNET_RESTORE();
2207 return (error);
2208 }
2209
2210 if (ifc.ifc_len <= 0) {
2211 CURVNET_RESTORE();
2212 return (EINVAL);
2213 }
2214
2215again:
2216 /* Keep track of eth interfaces */
2217 ethno = 0;
2218 if (ifc.ifc_len <= max_len) {
2219 max_len = ifc.ifc_len;
2220 full = 1;
2221 }
2222 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2223 max_len = 0;
2224 valid_len = 0;
2225
2226 /* Return all AF_INET addresses of all interfaces */
2227 IFNET_RLOCK();
2228 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2229 int addrs = 0;
2230
2231 bzero(&ifr, sizeof(ifr));
2232 if (IFP_IS_ETH(ifp))
2233 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2234 ethno++);
2235 else
2236 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2237
2238 /* Walk the address list */
2239 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2240 struct sockaddr *sa = ifa->ifa_addr;
2241
2242 if (sa->sa_family == AF_INET) {
2243 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2244 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2245 sizeof(ifr.ifr_addr.sa_data));
2246 sbuf_bcat(sb, &ifr, sizeof(ifr));
2247 max_len += sizeof(ifr);
2248 addrs++;
2249 }
2250
2251 if (sbuf_error(sb) == 0)
2252 valid_len = sbuf_len(sb);
2253 }
2254 if (addrs == 0) {
2255 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2256 sbuf_bcat(sb, &ifr, sizeof(ifr));
2257 max_len += sizeof(ifr);
2258
2259 if (sbuf_error(sb) == 0)
2260 valid_len = sbuf_len(sb);
2261 }
2262 }
2263 IFNET_RUNLOCK();
2264
2265 if (valid_len != max_len && !full) {
2266 sbuf_delete(sb);
2267 goto again;
2268 }
2269
2270 ifc.ifc_len = valid_len;
2271 sbuf_finish(sb);
2272 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2273 if (error == 0)
2274 error = copyout(&ifc, uifc, sizeof(ifc));
2275 sbuf_delete(sb);
2276 CURVNET_RESTORE();
2277
2278 return (error);
2279}
2280
2281static int
2282linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2283{
2284 l_short flags;
2285
2286 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff;
2287 /* these flags have no Linux equivalent */
2288 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX|
2289 IFF_LINK0|IFF_LINK1|IFF_LINK2);
2290 /* Linux' multicast flag is in a different bit */
2291 if (flags & IFF_MULTICAST) {
2292 flags &= ~IFF_MULTICAST;
2293 flags |= 0x1000;
2294 }
2295
2296 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2297}
2298
2299#define ARPHRD_ETHER 1
2300#define ARPHRD_LOOPBACK 772
2301
2302static int
2303linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2304{
2305 struct ifaddr *ifa;
2306 struct sockaddr_dl *sdl;
2307 struct l_sockaddr lsa;
2308
2309 if (ifp->if_type == IFT_LOOP) {
2310 bzero(&lsa, sizeof(lsa));
2311 lsa.sa_family = ARPHRD_LOOPBACK;
2312 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2313 }
2314
2315 if (ifp->if_type != IFT_ETHER)
2316 return (ENOENT);
2317
2318 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2319 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
2320 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
2321 (sdl->sdl_type == IFT_ETHER)) {
2322 bzero(&lsa, sizeof(lsa));
2323 lsa.sa_family = ARPHRD_ETHER;
2324 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
2325 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2326 }
2327 }
2328
2329 return (ENOENT);
2330}
2331
2332
2333 /*
2334* If we fault in bsd_to_linux_ifreq() then we will fault when we call
2335* the native ioctl(). Thus, we don't really need to check the return
2336* value of this function.
2337*/
2338static int
2339bsd_to_linux_ifreq(struct ifreq *arg)
2340{
2341 struct ifreq ifr;
2342 size_t ifr_len = sizeof(struct ifreq);
2343 int error;
2344
2345 if ((error = copyin(arg, &ifr, ifr_len)))
2346 return (error);
2347
2348 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2349
2350 error = copyout(&ifr, arg, ifr_len);
2351
2352 return (error);
2353}
2354
2355/*
2356 * Socket related ioctls
2357 */
2358
2359static int
2360linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2361{
2362 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2363 cap_rights_t rights;
2364 struct ifnet *ifp;
2365 struct file *fp;
2366 int error, type;
2367
2368 ifp = NULL;
2369 error = 0;
2370
2371 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2372 if (error != 0)
2373 return (error);
2374 type = fp->f_type;
2375 fdrop(fp, td);
2376 if (type != DTYPE_SOCKET) {
2377 /* not a socket - probably a tap / vmnet device */
2378 switch (args->cmd) {
2379 case LINUX_SIOCGIFADDR:
2380 case LINUX_SIOCSIFADDR:
2381 case LINUX_SIOCGIFFLAGS:
2382 return (linux_ioctl_special(td, args));
2383 default:
2384 return (ENOIOCTL);
2385 }
2386 }
2387
2388 switch (args->cmd & 0xffff) {
2389
2390 case LINUX_FIOGETOWN:
2391 case LINUX_FIOSETOWN:
2392 case LINUX_SIOCADDMULTI:
2393 case LINUX_SIOCATMARK:
2394 case LINUX_SIOCDELMULTI:
2395 case LINUX_SIOCGIFCONF:
2396 case LINUX_SIOCGPGRP:
2397 case LINUX_SIOCSPGRP:
2398 case LINUX_SIOCGIFCOUNT:
2399 /* these ioctls don't take an interface name */
2400#ifdef DEBUG
2401 printf("%s(): ioctl %d\n", __func__,
2402 args->cmd & 0xffff);
2403#endif
2404 break;
2405
2406 case LINUX_SIOCGIFFLAGS:
2407 case LINUX_SIOCGIFADDR:
2408 case LINUX_SIOCSIFADDR:
2409 case LINUX_SIOCGIFDSTADDR:
2410 case LINUX_SIOCGIFBRDADDR:
2411 case LINUX_SIOCGIFNETMASK:
2412 case LINUX_SIOCSIFNETMASK:
2413 case LINUX_SIOCGIFMTU:
2414 case LINUX_SIOCSIFMTU:
2415 case LINUX_SIOCSIFNAME:
2416 case LINUX_SIOCGIFHWADDR:
2417 case LINUX_SIOCSIFHWADDR:
2418 case LINUX_SIOCDEVPRIVATE:
2419 case LINUX_SIOCDEVPRIVATE+1:
2420 case LINUX_SIOCGIFINDEX:
2421 /* copy in the interface name and translate it. */
2422 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2423 if (error != 0)
2424 return (error);
2425#ifdef DEBUG
2426 printf("%s(): ioctl %d on %.*s\n", __func__,
2427 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
2428#endif
2429 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2430 if (ifp == NULL)
2431 return (EINVAL);
2432 /*
2433 * We need to copy it back out in case we pass the
2434 * request on to our native ioctl(), which will expect
2435 * the ifreq to be in user space and have the correct
2436 * interface name.
2437 */
2438 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2439 if (error != 0)
2440 return (error);
2441#ifdef DEBUG
2442 printf("%s(): %s translated to %s\n", __func__,
2443 lifname, ifname);
2444#endif
2445 break;
2446
2447 default:
2448 return (ENOIOCTL);
2449 }
2450
2451 switch (args->cmd & 0xffff) {
2452
2453 case LINUX_FIOSETOWN:
2454 args->cmd = FIOSETOWN;
2455 error = sys_ioctl(td, (struct ioctl_args *)args);
2456 break;
2457
2458 case LINUX_SIOCSPGRP:
2459 args->cmd = SIOCSPGRP;
2460 error = sys_ioctl(td, (struct ioctl_args *)args);
2461 break;
2462
2463 case LINUX_FIOGETOWN:
2464 args->cmd = FIOGETOWN;
2465 error = sys_ioctl(td, (struct ioctl_args *)args);
2466 break;
2467
2468 case LINUX_SIOCGPGRP:
2469 args->cmd = SIOCGPGRP;
2470 error = sys_ioctl(td, (struct ioctl_args *)args);
2471 break;
2472
2473 case LINUX_SIOCATMARK:
2474 args->cmd = SIOCATMARK;
2475 error = sys_ioctl(td, (struct ioctl_args *)args);
2476 break;
2477
2478 /* LINUX_SIOCGSTAMP */
2479
2480 case LINUX_SIOCGIFCONF:
2481 error = linux_ifconf(td, (struct ifconf *)args->arg);
2482 break;
2483
2484 case LINUX_SIOCGIFFLAGS:
2485 args->cmd = SIOCGIFFLAGS;
2486 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2487 break;
2488
2489 case LINUX_SIOCGIFADDR:
2490 args->cmd = SIOCGIFADDR;
2491 error = sys_ioctl(td, (struct ioctl_args *)args);
2492 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2493 break;
2494
2495 case LINUX_SIOCSIFADDR:
2496 /* XXX probably doesn't work, included for completeness */
2497 args->cmd = SIOCSIFADDR;
2498 error = sys_ioctl(td, (struct ioctl_args *)args);
2499 break;
2500
2501 case LINUX_SIOCGIFDSTADDR:
2502 args->cmd = SIOCGIFDSTADDR;
2503 error = sys_ioctl(td, (struct ioctl_args *)args);
2504 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2505 break;
2506
2507 case LINUX_SIOCGIFBRDADDR:
2508 args->cmd = SIOCGIFBRDADDR;
2509 error = sys_ioctl(td, (struct ioctl_args *)args);
2510 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2511 break;
2512
2513 case LINUX_SIOCGIFNETMASK:
2514 args->cmd = SIOCGIFNETMASK;
2515 error = sys_ioctl(td, (struct ioctl_args *)args);
2516 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2517 break;
2518
2519 case LINUX_SIOCSIFNETMASK:
2520 error = ENOIOCTL;
2521 break;
2522
2523 case LINUX_SIOCGIFMTU:
2524 args->cmd = SIOCGIFMTU;
2525 error = sys_ioctl(td, (struct ioctl_args *)args);
2526 break;
2527
2528 case LINUX_SIOCSIFMTU:
2529 args->cmd = SIOCSIFMTU;
2530 error = sys_ioctl(td, (struct ioctl_args *)args);
2531 break;
2532
2533 case LINUX_SIOCSIFNAME:
2534 error = ENOIOCTL;
2535 break;
2536
2537 case LINUX_SIOCGIFHWADDR:
2538 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2539 break;
2540
2541 case LINUX_SIOCSIFHWADDR:
2542 error = ENOIOCTL;
2543 break;
2544
2545 case LINUX_SIOCADDMULTI:
2546 args->cmd = SIOCADDMULTI;
2547 error = sys_ioctl(td, (struct ioctl_args *)args);
2548 break;
2549
2550 case LINUX_SIOCDELMULTI:
2551 args->cmd = SIOCDELMULTI;
2552 error = sys_ioctl(td, (struct ioctl_args *)args);
2553 break;
2554
2555 case LINUX_SIOCGIFINDEX:
2556 args->cmd = SIOCGIFINDEX;
2557 error = sys_ioctl(td, (struct ioctl_args *)args);
2558 break;
2559
2560 case LINUX_SIOCGIFCOUNT:
2561 error = 0;
2562 break;
2563
2564 /*
2565 * XXX This is slightly bogus, but these ioctls are currently
2566 * XXX only used by the aironet (if_an) network driver.
2567 */
2568 case LINUX_SIOCDEVPRIVATE:
2569 args->cmd = SIOCGPRIVATE_0;
2570 error = sys_ioctl(td, (struct ioctl_args *)args);
2571 break;
2572
2573 case LINUX_SIOCDEVPRIVATE+1:
2574 args->cmd = SIOCGPRIVATE_1;
2575 error = sys_ioctl(td, (struct ioctl_args *)args);
2576 break;
2577 }
2578
2579 if (ifp != NULL)
2580 /* restore the original interface name */
2581 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2582
2583#ifdef DEBUG
2584 printf("%s(): returning %d\n", __func__, error);
2585#endif
2586 return (error);
2587}
2588
2589/*
2590 * Device private ioctl handler
2591 */
2592static int
2593linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2594{
2595 cap_rights_t rights;
2596 struct file *fp;
2597 int error, type;
2598
2599 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2600 if (error != 0)
2601 return (error);
2602 type = fp->f_type;
2603 fdrop(fp, td);
2604 if (type == DTYPE_SOCKET)
2605 return (linux_ioctl_socket(td, args));
2606 return (ENOIOCTL);
2607}
2608
2609/*
2610 * DRM ioctl handler (sys/dev/drm)
2611 */
2612static int
2613linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2614{
2615 args->cmd = SETDIR(args->cmd);
2616 return sys_ioctl(td, (struct ioctl_args *)args);
2617}
2618
2619#ifdef COMPAT_LINUX32
2620#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
2621#define PTRIN_CP(src,dst,fld) \
2622 do { (dst).fld = PTRIN((src).fld); } while (0)
2623#define PTROUT_CP(src,dst,fld) \
2624 do { (dst).fld = PTROUT((src).fld); } while (0)
2625
2626static int
2627linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args)
2628{
2629 struct sg_io_hdr io;
2630 struct sg_io_hdr32 io32;
2631 cap_rights_t rights;
2632 struct file *fp;
2633 int error;
2634
2635 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
2636 if (error != 0) {
2637 printf("sg_linux_ioctl: fget returned %d\n", error);
2638 return (error);
2639 }
2640
2641 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0)
2642 goto out;
2643
2644 CP(io32, io, interface_id);
2645 CP(io32, io, dxfer_direction);
2646 CP(io32, io, cmd_len);
2647 CP(io32, io, mx_sb_len);
2648 CP(io32, io, iovec_count);
2649 CP(io32, io, dxfer_len);
2650 PTRIN_CP(io32, io, dxferp);
2651 PTRIN_CP(io32, io, cmdp);
2652 PTRIN_CP(io32, io, sbp);
2653 CP(io32, io, timeout);
2654 CP(io32, io, flags);
2655 CP(io32, io, pack_id);
2656 PTRIN_CP(io32, io, usr_ptr);
2657 CP(io32, io, status);
2658 CP(io32, io, masked_status);
2659 CP(io32, io, msg_status);
2660 CP(io32, io, sb_len_wr);
2661 CP(io32, io, host_status);
2662 CP(io32, io, driver_status);
2663 CP(io32, io, resid);
2664 CP(io32, io, duration);
2665 CP(io32, io, info);
2666
2667 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
2668 goto out;
2669
2670 CP(io, io32, interface_id);
2671 CP(io, io32, dxfer_direction);
2672 CP(io, io32, cmd_len);
2673 CP(io, io32, mx_sb_len);
2674 CP(io, io32, iovec_count);
2675 CP(io, io32, dxfer_len);
2676 PTROUT_CP(io, io32, dxferp);
2677 PTROUT_CP(io, io32, cmdp);
2678 PTROUT_CP(io, io32, sbp);
2679 CP(io, io32, timeout);
2680 CP(io, io32, flags);
2681 CP(io, io32, pack_id);
2682 PTROUT_CP(io, io32, usr_ptr);
2683 CP(io, io32, status);
2684 CP(io, io32, masked_status);
2685 CP(io, io32, msg_status);
2686 CP(io, io32, sb_len_wr);
2687 CP(io, io32, host_status);
2688 CP(io, io32, driver_status);
2689 CP(io, io32, resid);
2690 CP(io, io32, duration);
2691 CP(io, io32, info);
2692
2693 error = copyout(&io32, (void *)args->arg, sizeof(io32));
2694
2695out:
2696 fdrop(fp, td);
2697 return (error);
2698}
2699#endif
2700
2701static int
2702linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2703{
2704
2705 switch (args->cmd) {
2706 case LINUX_SG_GET_VERSION_NUM:
2707 args->cmd = SG_GET_VERSION_NUM;
2708 break;
2709 case LINUX_SG_SET_TIMEOUT:
2710 args->cmd = SG_SET_TIMEOUT;
2711 break;
2712 case LINUX_SG_GET_TIMEOUT:
2713 args->cmd = SG_GET_TIMEOUT;
2714 break;
2715 case LINUX_SG_IO:
2716 args->cmd = SG_IO;
2717#ifdef COMPAT_LINUX32
2718 return (linux_ioctl_sg_io(td, args));
2719#endif
2720 break;
2721 case LINUX_SG_GET_RESERVED_SIZE:
2722 args->cmd = SG_GET_RESERVED_SIZE;
2723 break;
2724 case LINUX_SG_GET_SCSI_ID:
2725 args->cmd = SG_GET_SCSI_ID;
2726 break;
2727 case LINUX_SG_GET_SG_TABLESIZE:
2728 args->cmd = SG_GET_SG_TABLESIZE;
2729 break;
2730 default:
2731 return (ENODEV);
2732 }
2733 return (sys_ioctl(td, (struct ioctl_args *)args));
2734}
2735
2736/*
2737 * Video4Linux (V4L) ioctl handler
2738 */
2739static int
2740linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt)
2741{
2742 vt->tuner = lvt->tuner;
2743 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2744 vt->rangelow = lvt->rangelow; /* possible long size conversion */
2745 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */
2746 vt->flags = lvt->flags;
2747 vt->mode = lvt->mode;
2748 vt->signal = lvt->signal;
2749 return (0);
2750}
2751
2752static int
2753bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt)
2754{
2755 lvt->tuner = vt->tuner;
2756 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE);
2757 lvt->rangelow = vt->rangelow; /* possible long size conversion */
2758 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */
2759 lvt->flags = vt->flags;
2760 lvt->mode = vt->mode;
2761 lvt->signal = vt->signal;
2762 return (0);
2763}
2764
2765#ifdef COMPAT_LINUX_V4L_CLIPLIST
2766static int
2767linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc)
2768{
2769 vc->x = lvc->x;
2770 vc->y = lvc->y;
2771 vc->width = lvc->width;
2772 vc->height = lvc->height;
2773 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */
2774 return (0);
2775}
2776#endif
2777
2778static int
2779linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw)
2780{
2781 vw->x = lvw->x;
2782 vw->y = lvw->y;
2783 vw->width = lvw->width;
2784 vw->height = lvw->height;
2785 vw->chromakey = lvw->chromakey;
2786 vw->flags = lvw->flags;
2787 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */
2788 vw->clipcount = lvw->clipcount;
2789 return (0);
2790}
2791
2792static int
2793bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw)
2794{
2795 lvw->x = vw->x;
2796 lvw->y = vw->y;
2797 lvw->width = vw->width;
2798 lvw->height = vw->height;
2799 lvw->chromakey = vw->chromakey;
2800 lvw->flags = vw->flags;
2801 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */
2802 lvw->clipcount = vw->clipcount;
2803 return (0);
2804}
2805
2806static int
2807linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb)
2808{
2809 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */
2810 vb->height = lvb->height;
2811 vb->width = lvb->width;
2812 vb->depth = lvb->depth;
2813 vb->bytesperline = lvb->bytesperline;
2814 return (0);
2815}
2816
2817static int
2818bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb)
2819{
2820 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */
2821 lvb->height = vb->height;
2822 lvb->width = vb->width;
2823 lvb->depth = vb->depth;
2824 lvb->bytesperline = vb->bytesperline;
2825 return (0);
2826}
2827
2828static int
2829linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc)
2830{
2831 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE);
2832 vc->datasize = lvc->datasize;
2833 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */
2834 return (0);
2835}
2836
2837#ifdef COMPAT_LINUX_V4L_CLIPLIST
2838static int
2839linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc)
2840{
2841 int error;
2842 struct video_clip vclip;
2843 struct l_video_clip l_vclip;
2844
2845 error = copyin(lvc, &l_vclip, sizeof(l_vclip));
2846 if (error) return (error);
2847 linux_to_bsd_v4l_clip(&l_vclip, &vclip);
2848 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */
2849 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL)
2850 return (ENOMEM); /* XXX: linux has no ENOMEM here */
2851 memcpy(*ppvc, &vclip, sizeof(vclip));
2852 (*ppvc)->next = NULL;
2853 return (0);
2854}
2855
2856static int
2857linux_v4l_cliplist_free(struct video_window *vw)
2858{
2859 struct video_clip **ppvc;
2860 struct video_clip **ppvc_next;
2861
2862 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) {
2863 ppvc_next = &((*ppvc)->next);
2864 free(*ppvc, M_LINUX);
2865 }
2866 vw->clips = NULL;
2867
2868 return (0);
2869}
2870
2871static int
2872linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw)
2873{
2874 int error;
2875 int clipcount;
2876 void *plvc;
2877 struct video_clip **ppvc;
2878
2879 /*
2880 * XXX: The cliplist is used to pass in a list of clipping
2881 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a
2882 * clipping bitmap. Some Linux apps, however, appear to
2883 * leave cliplist and clips uninitialized. In any case,
2884 * the cliplist is not used by pwc(4), at the time of
2885 * writing, FreeBSD's only V4L driver. When a driver
2886 * that uses the cliplist is developed, this code may
2887 * need re-examiniation.
2888 */
2889 error = 0;
2890 clipcount = vw->clipcount;
2891 if (clipcount == VIDEO_CLIP_BITMAP) {
2892 /*
2893 * In this case, the pointer (clips) is overloaded
2894 * to be a "void *" to a bitmap, therefore there
2895 * is no struct video_clip to copy now.
2896 */
2897 } else if (clipcount > 0 && clipcount <= 16384) {
2898 /*
2899 * Clips points to list of clip rectangles, so
2900 * copy the list.
2901 *
2902 * XXX: Upper limit of 16384 was used here to try to
2903 * avoid cases when clipcount and clips pointer
2904 * are uninitialized and therefore have high random
2905 * values, as is the case in the Linux Skype
2906 * application. The value 16384 was chosen as that
2907 * is what is used in the Linux stradis(4) MPEG
2908 * decoder driver, the only place we found an
2909 * example of cliplist use.
2910 */
2911 plvc = PTRIN(lvw->clips);
2912 vw->clips = NULL;
2913 ppvc = &(vw->clips);
2914 while (clipcount-- > 0) {
2915 if (plvc == 0) {
2916 error = EFAULT;
2917 break;
2918 } else {
2919 error = linux_v4l_clip_copy(plvc, ppvc);
2920 if (error) {
2921 linux_v4l_cliplist_free(vw);
2922 break;
2923 }
2924 }
2925 ppvc = &((*ppvc)->next);
2926 plvc = PTRIN(((struct l_video_clip *) plvc)->next);
2927 }
2928 } else {
2929 /*
2930 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP)
2931 * Force cliplist to null.
2932 */
2933 vw->clipcount = 0;
2934 vw->clips = NULL;
2935 }
2936 return (error);
2937}
2938#endif
2939
2940static int
2941linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args)
2942{
2943 cap_rights_t rights;
2944 struct file *fp;
2945 int error;
2946 struct video_tuner vtun;
2947 struct video_window vwin;
2948 struct video_buffer vbuf;
2949 struct video_code vcode;
2950 struct l_video_tuner l_vtun;
2951 struct l_video_window l_vwin;
2952 struct l_video_buffer l_vbuf;
2953 struct l_video_code l_vcode;
2954
2955 switch (args->cmd & 0xffff) {
2956 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break;
2957 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break;
2958 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break;
2959
2960 case LINUX_VIDIOCGTUNER:
2961 error = fget(td, args->fd,
2962 cap_rights_init(&rights, CAP_IOCTL), &fp);
2963 if (error != 0)
2964 return (error);
2965 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2966 if (error) {
2967 fdrop(fp, td);
2968 return (error);
2969 }
2970 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2971 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td);
2972 if (!error) {
2973 bsd_to_linux_v4l_tuner(&vtun, &l_vtun);
2974 error = copyout(&l_vtun, (void *) args->arg,
2975 sizeof(l_vtun));
2976 }
2977 fdrop(fp, td);
2978 return (error);
2979
2980 case LINUX_VIDIOCSTUNER:
2981 error = fget(td, args->fd,
2982 cap_rights_init(&rights, CAP_IOCTL), &fp);
2983 if (error != 0)
2984 return (error);
2985 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun));
2986 if (error) {
2987 fdrop(fp, td);
2988 return (error);
2989 }
2990 linux_to_bsd_v4l_tuner(&l_vtun, &vtun);
2991 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td);
2992 fdrop(fp, td);
2993 return (error);
2994
2995 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break;
2996 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break;
2997 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break;
2998
2999 case LINUX_VIDIOCGWIN:
3000 error = fget(td, args->fd,
3001 cap_rights_init(&rights, CAP_IOCTL), &fp);
3002 if (error != 0)
3003 return (error);
3004 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td);
3005 if (!error) {
3006 bsd_to_linux_v4l_window(&vwin, &l_vwin);
3007 error = copyout(&l_vwin, (void *) args->arg,
3008 sizeof(l_vwin));
3009 }
3010 fdrop(fp, td);
3011 return (error);
3012
3013 case LINUX_VIDIOCSWIN:
3014 error = fget(td, args->fd,
3015 cap_rights_init(&rights, CAP_IOCTL), &fp);
3016 if (error != 0)
3017 return (error);
3018 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin));
3019 if (error) {
3020 fdrop(fp, td);
3021 return (error);
3022 }
3023 linux_to_bsd_v4l_window(&l_vwin, &vwin);
3024#ifdef COMPAT_LINUX_V4L_CLIPLIST
3025 error = linux_v4l_cliplist_copy(&l_vwin, &vwin);
3026 if (error) {
3027 fdrop(fp, td);
3028 return (error);
3029 }
3030#endif
3031 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td);
3032 fdrop(fp, td);
3033#ifdef COMPAT_LINUX_V4L_CLIPLIST
3034 linux_v4l_cliplist_free(&vwin);
3035#endif
3036 return (error);
3037
3038 case LINUX_VIDIOCGFBUF:
3039 error = fget(td, args->fd,
3040 cap_rights_init(&rights, CAP_IOCTL), &fp);
3041 if (error != 0)
3042 return (error);
3043 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td);
3044 if (!error) {
3045 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf);
3046 error = copyout(&l_vbuf, (void *) args->arg,
3047 sizeof(l_vbuf));
3048 }
3049 fdrop(fp, td);
3050 return (error);
3051
3052 case LINUX_VIDIOCSFBUF:
3053 error = fget(td, args->fd,
3054 cap_rights_init(&rights, CAP_IOCTL), &fp);
3055 if (error != 0)
3056 return (error);
3057 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf));
3058 if (error) {
3059 fdrop(fp, td);
3060 return (error);
3061 }
3062 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf);
3063 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td);
3064 fdrop(fp, td);
3065 return (error);
3066
3067 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break;
3068 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break;
3069 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break;
3070 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break;
3071 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break;
3072 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break;
3073 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break;
3074 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break;
3075 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break;
3076 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break;
3077 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break;
3078 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break;
3079 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break;
3080 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break;
3081
3082 case LINUX_VIDIOCSMICROCODE:
3083 error = fget(td, args->fd,
3084 cap_rights_init(&rights, CAP_IOCTL), &fp);
3085 if (error != 0)
3086 return (error);
3087 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode));
3088 if (error) {
3089 fdrop(fp, td);
3090 return (error);
3091 }
3092 linux_to_bsd_v4l_code(&l_vcode, &vcode);
3093 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td);
3094 fdrop(fp, td);
3095 return (error);
3096
3097 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break;
3098 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break;
3099 default: return (ENOIOCTL);
3100 }
3101
3102 error = sys_ioctl(td, (struct ioctl_args *)args);
3103 return (error);
3104}
3105
3106/*
3107 * Special ioctl handler
3108 */
3109static int
3110linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
3111{
3112 int error;
3113
3114 switch (args->cmd) {
3115 case LINUX_SIOCGIFADDR:
3116 args->cmd = SIOCGIFADDR;
3117 error = sys_ioctl(td, (struct ioctl_args *)args);
3118 break;
3119 case LINUX_SIOCSIFADDR:
3120 args->cmd = SIOCSIFADDR;
3121 error = sys_ioctl(td, (struct ioctl_args *)args);
3122 break;
3123 case LINUX_SIOCGIFFLAGS:
3124 args->cmd = SIOCGIFFLAGS;
3125 error = sys_ioctl(td, (struct ioctl_args *)args);
3126 break;
3127 default:
3128 error = ENOIOCTL;
3129 }
3130
3131 return (error);
3132}
3133
3134static int
3135linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
3136{
3137 vstd->index = lvstd->index;
3138 vstd->id = lvstd->id;
3139 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3140 return (0);
3141}
3142
3143static int
3144bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
3145{
3146 lvstd->index = vstd->index;
3147 lvstd->id = vstd->id;
3148 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
3149 return (0);
3150}
3151
3152static int
3153linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
3154{
3155 vb->index = lvb->index;
3156 vb->type = lvb->type;
3157 vb->bytesused = lvb->bytesused;
3158 vb->flags = lvb->flags;
3159 vb->field = lvb->field;
3160 vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
3161 vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
3162 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
3163 vb->sequence = lvb->sequence;
3164 vb->memory = lvb->memory;
3165 if (lvb->memory == V4L2_MEMORY_USERPTR)
3166 /* possible pointer size conversion */
3167 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
3168 else
3169 vb->m.offset = lvb->m.offset;
3170 vb->length = lvb->length;
3171 vb->input = lvb->input;
3172 vb->reserved = lvb->reserved;
3173 return (0);
3174}
3175
3176static int
3177bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
3178{
3179 lvb->index = vb->index;
3180 lvb->type = vb->type;
3181 lvb->bytesused = vb->bytesused;
3182 lvb->flags = vb->flags;
3183 lvb->field = vb->field;
3184 lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
3185 lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
3186 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
3187 lvb->sequence = vb->sequence;
3188 lvb->memory = vb->memory;
3189 if (vb->memory == V4L2_MEMORY_USERPTR)
3190 /* possible pointer size conversion */
3191 lvb->m.userptr = PTROUT(vb->m.userptr);
3192 else
3193 lvb->m.offset = vb->m.offset;
3194 lvb->length = vb->length;
3195 lvb->input = vb->input;
3196 lvb->reserved = vb->reserved;
3197 return (0);
3198}
3199
3200static int
3201linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
3202{
3203 vf->type = lvf->type;
3204 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3205#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3206 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3207#endif
3208 )
3209 /*
3210 * XXX TODO - needs 32 -> 64 bit conversion:
3211 * (unused by webcams?)
3212 */
3213 return EINVAL;
3214 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
3215 return 0;
3216}
3217
3218static int
3219bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
3220{
3221 lvf->type = vf->type;
3222 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
3223#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3224 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
3225#endif
3226 )
3227 /*
3228 * XXX TODO - needs 32 -> 64 bit conversion:
3229 * (unused by webcams?)
3230 */
3231 return EINVAL;
3232 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
3233 return 0;
3234}
3235static int
3236linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
3237{
3238 cap_rights_t rights;
3239 struct file *fp;
3240 int error;
3241 struct v4l2_format vformat;
3242 struct l_v4l2_format l_vformat;
3243 struct v4l2_standard vstd;
3244 struct l_v4l2_standard l_vstd;
3245 struct l_v4l2_buffer l_vbuf;
3246 struct v4l2_buffer vbuf;
3247 struct v4l2_input vinp;
3248
3249 switch (args->cmd & 0xffff) {
3250 case LINUX_VIDIOC_RESERVED:
3251 case LINUX_VIDIOC_LOG_STATUS:
3252 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
3253 return ENOIOCTL;
3254 args->cmd = (args->cmd & 0xffff) | IOC_VOID;
3255 break;
3256
3257 case LINUX_VIDIOC_OVERLAY:
3258 case LINUX_VIDIOC_STREAMON:
3259 case LINUX_VIDIOC_STREAMOFF:
3260 case LINUX_VIDIOC_S_STD:
3261 case LINUX_VIDIOC_S_TUNER:
3262 case LINUX_VIDIOC_S_AUDIO:
3263 case LINUX_VIDIOC_S_AUDOUT:
3264 case LINUX_VIDIOC_S_MODULATOR:
3265 case LINUX_VIDIOC_S_FREQUENCY:
3266 case LINUX_VIDIOC_S_CROP:
3267 case LINUX_VIDIOC_S_JPEGCOMP:
3268 case LINUX_VIDIOC_S_PRIORITY:
3269 case LINUX_VIDIOC_DBG_S_REGISTER:
3270 case LINUX_VIDIOC_S_HW_FREQ_SEEK:
3271 case LINUX_VIDIOC_SUBSCRIBE_EVENT:
3272 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
3273 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
3274 break;
3275
3276 case LINUX_VIDIOC_QUERYCAP:
3277 case LINUX_VIDIOC_G_STD:
3278 case LINUX_VIDIOC_G_AUDIO:
3279 case LINUX_VIDIOC_G_INPUT:
3280 case LINUX_VIDIOC_G_OUTPUT:
3281 case LINUX_VIDIOC_G_AUDOUT:
3282 case LINUX_VIDIOC_G_JPEGCOMP:
3283 case LINUX_VIDIOC_QUERYSTD:
3284 case LINUX_VIDIOC_G_PRIORITY:
3285 case LINUX_VIDIOC_QUERY_DV_PRESET:
3286 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
3287 break;
3288
3289 case LINUX_VIDIOC_ENUM_FMT:
3290 case LINUX_VIDIOC_REQBUFS:
3291 case LINUX_VIDIOC_G_PARM:
3292 case LINUX_VIDIOC_S_PARM:
3293 case LINUX_VIDIOC_G_CTRL:
3294 case LINUX_VIDIOC_S_CTRL:
3295 case LINUX_VIDIOC_G_TUNER:
3296 case LINUX_VIDIOC_QUERYCTRL:
3297 case LINUX_VIDIOC_QUERYMENU:
3298 case LINUX_VIDIOC_S_INPUT:
3299 case LINUX_VIDIOC_S_OUTPUT:
3300 case LINUX_VIDIOC_ENUMOUTPUT:
3301 case LINUX_VIDIOC_G_MODULATOR:
3302 case LINUX_VIDIOC_G_FREQUENCY:
3303 case LINUX_VIDIOC_CROPCAP:
3304 case LINUX_VIDIOC_G_CROP:
3305 case LINUX_VIDIOC_ENUMAUDIO:
3306 case LINUX_VIDIOC_ENUMAUDOUT:
3307 case LINUX_VIDIOC_G_SLICED_VBI_CAP:
3308#ifdef VIDIOC_ENUM_FRAMESIZES
3309 case LINUX_VIDIOC_ENUM_FRAMESIZES:
3310 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
3311 case LINUX_VIDIOC_ENCODER_CMD:
3312 case LINUX_VIDIOC_TRY_ENCODER_CMD:
3313#endif
3314 case LINUX_VIDIOC_DBG_G_REGISTER:
3315 case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
3316 case LINUX_VIDIOC_ENUM_DV_PRESETS:
3317 case LINUX_VIDIOC_S_DV_PRESET:
3318 case LINUX_VIDIOC_G_DV_PRESET:
3319 case LINUX_VIDIOC_S_DV_TIMINGS:
3320 case LINUX_VIDIOC_G_DV_TIMINGS:
3321 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
3322 break;
3323
3324 case LINUX_VIDIOC_G_FMT:
3325 case LINUX_VIDIOC_S_FMT:
3326 case LINUX_VIDIOC_TRY_FMT:
3327 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
3328 if (error)
3329 return (error);
3330 error = fget(td, args->fd,
3331 cap_rights_init(&rights, CAP_IOCTL), &fp);
3332 if (error)
3333 return (error);
3334 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
3335 error = EINVAL;
3336 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
3337 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
3338 td->td_ucred, td);
3339 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
3340 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
3341 td->td_ucred, td);
3342 else
3343 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
3344 td->td_ucred, td);
3345 bsd_to_linux_v4l2_format(&vformat, &l_vformat);
3346 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
3347 fdrop(fp, td);
3348 return (error);
3349
3350 case LINUX_VIDIOC_ENUMSTD:
3351 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
3352 if (error)
3353 return (error);
3354 linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
3355 error = fget(td, args->fd,
3356 cap_rights_init(&rights, CAP_IOCTL), &fp);
3357 if (error)
3358 return (error);
3359 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
3360 td->td_ucred, td);
3361 if (error) {
3362 fdrop(fp, td);
3363 return (error);
3364 }
3365 bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
3366 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
3367 fdrop(fp, td);
3368 return (error);
3369
3370 case LINUX_VIDIOC_ENUMINPUT:
3371 /*
3372 * The Linux struct l_v4l2_input differs only in size,
3373 * it has no padding at the end.
3374 */
3375 error = copyin((void *)args->arg, &vinp,
3376 sizeof(struct l_v4l2_input));
3377 if (error != 0)
3378 return (error);
3379 error = fget(td, args->fd,
3380 cap_rights_init(&rights, CAP_IOCTL), &fp);
3381 if (error != 0)
3382 return (error);
3383 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
3384 td->td_ucred, td);
3385 if (error) {
3386 fdrop(fp, td);
3387 return (error);
3388 }
3389 error = copyout(&vinp, (void *)args->arg,
3390 sizeof(struct l_v4l2_input));
3391 fdrop(fp, td);
3392 return (error);
3393
3394 case LINUX_VIDIOC_QUERYBUF:
3395 case LINUX_VIDIOC_QBUF:
3396 case LINUX_VIDIOC_DQBUF:
3397 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
3398 if (error)
3399 return (error);
3400 error = fget(td, args->fd,
3401 cap_rights_init(&rights, CAP_IOCTL), &fp);
3402 if (error)
3403 return (error);
3404 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
3405 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
3406 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
3407 td->td_ucred, td);
3408 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
3409 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
3410 td->td_ucred, td);
3411 else
3412 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
3413 td->td_ucred, td);
3414 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
3415 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
3416 fdrop(fp, td);
3417 return (error);
3418
3419 /*
3420 * XXX TODO - these need 32 -> 64 bit conversion:
3421 * (are any of them needed for webcams?)
3422 */
3423 case LINUX_VIDIOC_G_FBUF:
3424 case LINUX_VIDIOC_S_FBUF:
3425
3426 case LINUX_VIDIOC_G_EXT_CTRLS:
3427 case LINUX_VIDIOC_S_EXT_CTRLS:
3428 case LINUX_VIDIOC_TRY_EXT_CTRLS:
3429
3430 case LINUX_VIDIOC_DQEVENT:
3431
3432 default: return (ENOIOCTL);
3433 }
3434
3435 error = sys_ioctl(td, (struct ioctl_args *)args);
3436 return (error);
3437}
3438
3439/*
3440 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
3441 * instead of USB* ones. This lets us to provide correct values for cmd.
3442 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone.
3443 */
3444static int
3445linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args)
3446{
3447 int error;
3448
3449 error = 0;
3450 switch (args->cmd) {
3451 case FBSD_LUSB_DEVICEENUMERATE:
3452 args->cmd = USB_DEVICEENUMERATE;
3453 break;
3454 case FBSD_LUSB_DEV_QUIRK_ADD:
3455 args->cmd = USB_DEV_QUIRK_ADD;
3456 break;
3457 case FBSD_LUSB_DEV_QUIRK_GET:
3458 args->cmd = USB_DEV_QUIRK_GET;
3459 break;
3460 case FBSD_LUSB_DEV_QUIRK_REMOVE:
3461 args->cmd = USB_DEV_QUIRK_REMOVE;
3462 break;
3463 case FBSD_LUSB_DO_REQUEST:
3464 args->cmd = USB_DO_REQUEST;
3465 break;
3466 case FBSD_LUSB_FS_CLEAR_STALL_SYNC:
3467 args->cmd = USB_FS_CLEAR_STALL_SYNC;
3468 break;
3469 case FBSD_LUSB_FS_CLOSE:
3470 args->cmd = USB_FS_CLOSE;
3471 break;
3472 case FBSD_LUSB_FS_COMPLETE:
3473 args->cmd = USB_FS_COMPLETE;
3474 break;
3475 case FBSD_LUSB_FS_INIT:
3476 args->cmd = USB_FS_INIT;
3477 break;
3478 case FBSD_LUSB_FS_OPEN:
3479 args->cmd = USB_FS_OPEN;
3480 break;
3481 case FBSD_LUSB_FS_START:
3482 args->cmd = USB_FS_START;
3483 break;
3484 case FBSD_LUSB_FS_STOP:
3485 args->cmd = USB_FS_STOP;
3486 break;
3487 case FBSD_LUSB_FS_UNINIT:
3488 args->cmd = USB_FS_UNINIT;
3489 break;
3490 case FBSD_LUSB_GET_CONFIG:
3491 args->cmd = USB_GET_CONFIG;
3492 break;
3493 case FBSD_LUSB_GET_DEVICEINFO:
3494 args->cmd = USB_GET_DEVICEINFO;
3495 break;
3496 case FBSD_LUSB_GET_DEVICE_DESC:
3497 args->cmd = USB_GET_DEVICE_DESC;
3498 break;
3499 case FBSD_LUSB_GET_FULL_DESC:
3500 args->cmd = USB_GET_FULL_DESC;
3501 break;
3502 case FBSD_LUSB_GET_IFACE_DRIVER:
3503 args->cmd = USB_GET_IFACE_DRIVER;
3504 break;
3505 case FBSD_LUSB_GET_PLUGTIME:
3506 args->cmd = USB_GET_PLUGTIME;
3507 break;
3508 case FBSD_LUSB_GET_POWER_MODE:
3509 args->cmd = USB_GET_POWER_MODE;
3510 break;
3511 case FBSD_LUSB_GET_REPORT_DESC:
3512 args->cmd = USB_GET_REPORT_DESC;
3513 break;
3514 case FBSD_LUSB_GET_REPORT_ID:
3515 args->cmd = USB_GET_REPORT_ID;
3516 break;
3517 case FBSD_LUSB_GET_TEMPLATE:
3518 args->cmd = USB_GET_TEMPLATE;
3519 break;
3520 case FBSD_LUSB_IFACE_DRIVER_ACTIVE:
3521 args->cmd = USB_IFACE_DRIVER_ACTIVE;
3522 break;
3523 case FBSD_LUSB_IFACE_DRIVER_DETACH:
3524 args->cmd = USB_IFACE_DRIVER_DETACH;
3525 break;
3526 case FBSD_LUSB_QUIRK_NAME_GET:
3527 args->cmd = USB_QUIRK_NAME_GET;
3528 break;
3529 case FBSD_LUSB_READ_DIR:
3530 args->cmd = USB_READ_DIR;
3531 break;
3532 case FBSD_LUSB_SET_ALTINTERFACE:
3533 args->cmd = USB_SET_ALTINTERFACE;
3534 break;
3535 case FBSD_LUSB_SET_CONFIG:
3536 args->cmd = USB_SET_CONFIG;
3537 break;
3538 case FBSD_LUSB_SET_IMMED:
3539 args->cmd = USB_SET_IMMED;
3540 break;
3541 case FBSD_LUSB_SET_POWER_MODE:
3542 args->cmd = USB_SET_POWER_MODE;
3543 break;
3544 case FBSD_LUSB_SET_TEMPLATE:
3545 args->cmd = USB_SET_TEMPLATE;
3546 break;
3547 case FBSD_LUSB_FS_OPEN_STREAM:
3548 args->cmd = USB_FS_OPEN_STREAM;
3549 break;
3550 case FBSD_LUSB_GET_DEV_PORT_PATH:
3551 args->cmd = USB_GET_DEV_PORT_PATH;
3552 break;
3553 case FBSD_LUSB_GET_POWER_USAGE:
3554 args->cmd = USB_GET_POWER_USAGE;
3555 break;
3556 default:
3557 error = ENOIOCTL;
3558 }
3559 if (error != ENOIOCTL)
3560 error = sys_ioctl(td, (struct ioctl_args *)args);
3561 return (error);
3562}
3563
3564/*
3565 * main ioctl syscall function
3566 */
3567
3568int
3569linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
3570{
3571 cap_rights_t rights;
3572 struct file *fp;
3573 struct handler_element *he;
3574 int error, cmd;
3575
3576#ifdef DEBUG
3577 if (ldebug(ioctl))
3578 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
3579 (unsigned long)args->cmd);
3580#endif
3581
3582 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
3583 if (error != 0)
3584 return (error);
3585 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
3586 fdrop(fp, td);
3587 return (EBADF);
3588 }
3589
3590 /* Iterate over the ioctl handlers */
3591 cmd = args->cmd & 0xffff;
3592 sx_slock(&linux_ioctl_sx);
3593 mtx_lock(&Giant);
3594 TAILQ_FOREACH(he, &handlers, list) {
3595 if (cmd >= he->low && cmd <= he->high) {
3596 error = (*he->func)(td, args);
3597 if (error != ENOIOCTL) {
3598 mtx_unlock(&Giant);
3599 sx_sunlock(&linux_ioctl_sx);
3600 fdrop(fp, td);
3601 return (error);
3602 }
3603 }
3604 }
3605 mtx_unlock(&Giant);
3606 sx_sunlock(&linux_ioctl_sx);
3607 fdrop(fp, td);
3608
3609 switch (args->cmd & 0xffff) {
3610 case LINUX_BTRFS_IOC_CLONE:
3611 return (ENOTSUP);
3612
3613 default:
3614 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
3615 args->fd, (int)(args->cmd & 0xffff),
3616 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
3617 break;
3618 }
3619
3620 return (EINVAL);
3621}
3622
3623int
3624linux_ioctl_register_handler(struct linux_ioctl_handler *h)
3625{
3626 struct handler_element *he, *cur;
3627
3628 if (h == NULL || h->func == NULL)
3629 return (EINVAL);
3630
3631 /*
3632 * Reuse the element if the handler is already on the list, otherwise
3633 * create a new element.
3634 */
3635 sx_xlock(&linux_ioctl_sx);
3636 TAILQ_FOREACH(he, &handlers, list) {
3637 if (he->func == h->func)
3638 break;
3639 }
3640 if (he == NULL) {
3641 he = malloc(sizeof(*he),
3642 M_LINUX, M_WAITOK);
3643 he->func = h->func;
3644 } else
3645 TAILQ_REMOVE(&handlers, he, list);
3646
3647 /* Initialize range information. */
3648 he->low = h->low;
3649 he->high = h->high;
3650 he->span = h->high - h->low + 1;
3651
3652 /* Add the element to the list, sorted on span. */
3653 TAILQ_FOREACH(cur, &handlers, list) {
3654 if (cur->span > he->span) {
3655 TAILQ_INSERT_BEFORE(cur, he, list);
3656 sx_xunlock(&linux_ioctl_sx);
3657 return (0);
3658 }
3659 }
3660 TAILQ_INSERT_TAIL(&handlers, he, list);
3661 sx_xunlock(&linux_ioctl_sx);
3662
3663 return (0);
3664}
3665
3666int
3667linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
3668{
3669 struct handler_element *he;
3670
3671 if (h == NULL || h->func == NULL)
3672 return (EINVAL);
3673
3674 sx_xlock(&linux_ioctl_sx);
3675 TAILQ_FOREACH(he, &handlers, list) {
3676 if (he->func == h->func) {
3677 TAILQ_REMOVE(&handlers, he, list);
3678 sx_xunlock(&linux_ioctl_sx);
3679 free(he, M_LINUX);
3680 return (0);
3681 }
3682 }
3683 sx_xunlock(&linux_ioctl_sx);
3684
3685 return (EINVAL);
3686}