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: head/sys/compat/linux/linux_ioctl.c 197176 2009-09-13 21:30:18Z zec $");
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/sysproto.h>
37#include <sys/cdio.h>
38#include <sys/dvdio.h>
39#include <sys/conf.h>
40#include <sys/disk.h>
41#include <sys/consio.h>
42#include <sys/ctype.h>
43#include <sys/fcntl.h>
44#include <sys/file.h>
45#include <sys/filedesc.h>
46#include <sys/filio.h>
47#include <sys/jail.h>
48#include <sys/kbio.h>
49#include <sys/kernel.h>
50#include <sys/linker_set.h>
51#include <sys/lock.h>
52#include <sys/malloc.h>
53#include <sys/proc.h>
54#include <sys/sbuf.h>
55#include <sys/socket.h>
56#include <sys/sockio.h>
57#include <sys/soundcard.h>
58#include <sys/stdint.h>
59#include <sys/sx.h>
60#include <sys/tty.h>
61#include <sys/uio.h>
62
63#include <net/if.h>
64#include <net/if_dl.h>
65#include <net/if_types.h>
66#include <net/vnet.h>
67
68#ifdef COMPAT_LINUX32
69#include <machine/../linux32/linux.h>
70#include <machine/../linux32/linux32_proto.h>
71#else
72#include <machine/../linux/linux.h>
73#include <machine/../linux/linux_proto.h>
74#endif
75
76#include <compat/linux/linux_ioctl.h>
77#include <compat/linux/linux_mib.h>
78#include <compat/linux/linux_socket.h>
79#include <compat/linux/linux_util.h>
80
81CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
82
83static linux_ioctl_function_t linux_ioctl_cdrom;
84static linux_ioctl_function_t linux_ioctl_vfat;
85static linux_ioctl_function_t linux_ioctl_console;
86static linux_ioctl_function_t linux_ioctl_hdio;
87static linux_ioctl_function_t linux_ioctl_disk;
88static linux_ioctl_function_t linux_ioctl_socket;
89static linux_ioctl_function_t linux_ioctl_sound;
90static linux_ioctl_function_t linux_ioctl_termio;
91static linux_ioctl_function_t linux_ioctl_private;
92static linux_ioctl_function_t linux_ioctl_drm;
93static linux_ioctl_function_t linux_ioctl_sg;
94static linux_ioctl_function_t linux_ioctl_special;
95
96static struct linux_ioctl_handler cdrom_handler =
97{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
98static struct linux_ioctl_handler vfat_handler =
99{ linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
100static struct linux_ioctl_handler console_handler =
101{ linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
102static struct linux_ioctl_handler hdio_handler =
103{ linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
104static struct linux_ioctl_handler disk_handler =
105{ linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
106static struct linux_ioctl_handler socket_handler =
107{ linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
108static struct linux_ioctl_handler sound_handler =
109{ linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
110static struct linux_ioctl_handler termio_handler =
111{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
112static struct linux_ioctl_handler private_handler =
113{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
114static struct linux_ioctl_handler drm_handler =
115{ linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
116static struct linux_ioctl_handler sg_handler =
117{ linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
118
119DATA_SET(linux_ioctl_handler_set, cdrom_handler);
120DATA_SET(linux_ioctl_handler_set, vfat_handler);
121DATA_SET(linux_ioctl_handler_set, console_handler);
122DATA_SET(linux_ioctl_handler_set, hdio_handler);
123DATA_SET(linux_ioctl_handler_set, disk_handler);
124DATA_SET(linux_ioctl_handler_set, socket_handler);
125DATA_SET(linux_ioctl_handler_set, sound_handler);
126DATA_SET(linux_ioctl_handler_set, termio_handler);
127DATA_SET(linux_ioctl_handler_set, private_handler);
128DATA_SET(linux_ioctl_handler_set, drm_handler);
129DATA_SET(linux_ioctl_handler_set, sg_handler);
130
131struct handler_element
132{
133 TAILQ_ENTRY(handler_element) list;
134 int (*func)(struct thread *, struct linux_ioctl_args *);
135 int low, high, span;
136};
137
138static TAILQ_HEAD(, handler_element) handlers =
139 TAILQ_HEAD_INITIALIZER(handlers);
140static struct sx linux_ioctl_sx;
141SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers");
142
143/*
144 * hdio related ioctls for VMWare support
145 */
146
147struct linux_hd_geometry {
148 u_int8_t heads;
149 u_int8_t sectors;
150 u_int16_t cylinders;
151 u_int32_t start;
152};
153
154struct linux_hd_big_geometry {
155 u_int8_t heads;
156 u_int8_t sectors;
157 u_int32_t cylinders;
158 u_int32_t start;
159};
160
161static int
162linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
163{
164 struct file *fp;
165 int error;
166 u_int sectorsize, fwcylinders, fwheads, fwsectors;
167 off_t mediasize, bytespercyl;
168
169 if ((error = fget(td, args->fd, &fp)) != 0)
170 return (error);
171 switch (args->cmd & 0xffff) {
172 case LINUX_HDIO_GET_GEO:
173 case LINUX_HDIO_GET_GEO_BIG:
174 error = fo_ioctl(fp, DIOCGMEDIASIZE,
175 (caddr_t)&mediasize, td->td_ucred, td);
176 if (!error)
177 error = fo_ioctl(fp, DIOCGSECTORSIZE,
178 (caddr_t)&sectorsize, td->td_ucred, td);
179 if (!error)
180 error = fo_ioctl(fp, DIOCGFWHEADS,
181 (caddr_t)&fwheads, td->td_ucred, td);
182 if (!error)
183 error = fo_ioctl(fp, DIOCGFWSECTORS,
184 (caddr_t)&fwsectors, td->td_ucred, td);
185 /*
186 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
187 * so pretend that GEOM always says 0. This is NOT VALID
188 * for slices or partitions, only the per-disk raw devices.
189 */
190
191 fdrop(fp, td);
192 if (error)
193 return (error);
194 /*
195 * 1. Calculate the number of bytes in a cylinder,
196 * given the firmware's notion of heads and sectors
197 * per cylinder.
198 * 2. Calculate the number of cylinders, given the total
199 * size of the media.
200 * All internal calculations should have 64-bit precision.
201 */
202 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
203 fwcylinders = mediasize / bytespercyl;
204#if defined(DEBUG)
205 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, "
206 "bpc %jd",
207 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors,
208 (intmax_t)bytespercyl);
209#endif
210 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
211 struct linux_hd_geometry hdg;
212
213 hdg.cylinders = fwcylinders;
214 hdg.heads = fwheads;
215 hdg.sectors = fwsectors;
216 hdg.start = 0;
217 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
218 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
219 struct linux_hd_big_geometry hdbg;
220
221 hdbg.cylinders = fwcylinders;
222 hdbg.heads = fwheads;
223 hdbg.sectors = fwsectors;
224 hdbg.start = 0;
225 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
226 }
227 return (error);
228 break;
229 default:
230 /* XXX */
231 linux_msg(td,
232 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
233 args->fd, (int)(args->cmd & 0xffff),
234 (int)(args->cmd & 0xff00) >> 8,
235 (int)(args->cmd & 0xff));
236 break;
237 }
238 fdrop(fp, td);
239 return (ENOIOCTL);
240}
241
242static int
243linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
244{
245 struct file *fp;
246 int error;
247 u_int sectorsize;
248 off_t mediasize;
249
250 if ((error = fget(td, args->fd, &fp)) != 0)
251 return (error);
252 switch (args->cmd & 0xffff) {
253 case LINUX_BLKGETSIZE:
254 error = fo_ioctl(fp, DIOCGSECTORSIZE,
255 (caddr_t)&sectorsize, td->td_ucred, td);
256 if (!error)
257 error = fo_ioctl(fp, DIOCGMEDIASIZE,
258 (caddr_t)&mediasize, td->td_ucred, td);
259 fdrop(fp, td);
260 if (error)
261 return (error);
262 sectorsize = mediasize / sectorsize;
263 /*
264 * XXX: How do we know we return the right size of integer ?
265 */
266 return (copyout(&sectorsize, (void *)args->arg,
267 sizeof(sectorsize)));
268 break;
269 }
270 fdrop(fp, td);
271 return (ENOIOCTL);
272}
273
274/*
275 * termio related ioctls
276 */
277
278struct linux_termio {
279 unsigned short c_iflag;
280 unsigned short c_oflag;
281 unsigned short c_cflag;
282 unsigned short c_lflag;
283 unsigned char c_line;
284 unsigned char c_cc[LINUX_NCC];
285};
286
287struct linux_termios {
288 unsigned int c_iflag;
289 unsigned int c_oflag;
290 unsigned int c_cflag;
291 unsigned int c_lflag;
292 unsigned char c_line;
293 unsigned char c_cc[LINUX_NCCS];
294};
295
296struct linux_winsize {
297 unsigned short ws_row, ws_col;
298 unsigned short ws_xpixel, ws_ypixel;
299};
300
301struct speedtab {
302 int sp_speed; /* Speed. */
303 int sp_code; /* Code. */
304};
305
306static struct speedtab sptab[] = {
307 { B0, LINUX_B0 }, { B50, LINUX_B50 },
308 { B75, LINUX_B75 }, { B110, LINUX_B110 },
309 { B134, LINUX_B134 }, { B150, LINUX_B150 },
310 { B200, LINUX_B200 }, { B300, LINUX_B300 },
311 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
312 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
313 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
314 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
315 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
316 {-1, -1 }
317};
318
319struct linux_serial_struct {
320 int type;
321 int line;
322 int port;
323 int irq;
324 int flags;
325 int xmit_fifo_size;
326 int custom_divisor;
327 int baud_base;
328 unsigned short close_delay;
329 char reserved_char[2];
330 int hub6;
331 unsigned short closing_wait;
332 unsigned short closing_wait2;
333 int reserved[4];
334};
335
336static int
337linux_to_bsd_speed(int code, struct speedtab *table)
338{
339 for ( ; table->sp_code != -1; table++)
340 if (table->sp_code == code)
341 return (table->sp_speed);
342 return -1;
343}
344
345static int
346bsd_to_linux_speed(int speed, struct speedtab *table)
347{
348 for ( ; table->sp_speed != -1; table++)
349 if (table->sp_speed == speed)
350 return (table->sp_code);
351 return -1;
352}
353
354static void
355bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
356{
357 int i;
358
359#ifdef DEBUG
360 if (ldebug(ioctl)) {
361 printf("LINUX: BSD termios structure (input):\n");
362 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
363 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
364 bios->c_ispeed, bios->c_ospeed);
365 printf("c_cc ");
366 for (i=0; i<NCCS; i++)
367 printf("%02x ", bios->c_cc[i]);
368 printf("\n");
369 }
370#endif
371
372 lios->c_iflag = 0;
373 if (bios->c_iflag & IGNBRK)
374 lios->c_iflag |= LINUX_IGNBRK;
375 if (bios->c_iflag & BRKINT)
376 lios->c_iflag |= LINUX_BRKINT;
377 if (bios->c_iflag & IGNPAR)
378 lios->c_iflag |= LINUX_IGNPAR;
379 if (bios->c_iflag & PARMRK)
380 lios->c_iflag |= LINUX_PARMRK;
381 if (bios->c_iflag & INPCK)
382 lios->c_iflag |= LINUX_INPCK;
383 if (bios->c_iflag & ISTRIP)
384 lios->c_iflag |= LINUX_ISTRIP;
385 if (bios->c_iflag & INLCR)
386 lios->c_iflag |= LINUX_INLCR;
387 if (bios->c_iflag & IGNCR)
388 lios->c_iflag |= LINUX_IGNCR;
389 if (bios->c_iflag & ICRNL)
390 lios->c_iflag |= LINUX_ICRNL;
391 if (bios->c_iflag & IXON)
392 lios->c_iflag |= LINUX_IXON;
393 if (bios->c_iflag & IXANY)
394 lios->c_iflag |= LINUX_IXANY;
395 if (bios->c_iflag & IXOFF)
396 lios->c_iflag |= LINUX_IXOFF;
397 if (bios->c_iflag & IMAXBEL)
398 lios->c_iflag |= LINUX_IMAXBEL;
399
400 lios->c_oflag = 0;
401 if (bios->c_oflag & OPOST)
402 lios->c_oflag |= LINUX_OPOST;
403 if (bios->c_oflag & ONLCR)
404 lios->c_oflag |= LINUX_ONLCR;
405 if (bios->c_oflag & TAB3)
406 lios->c_oflag |= LINUX_XTABS;
407
408 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
409 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
410 if (bios->c_cflag & CSTOPB)
411 lios->c_cflag |= LINUX_CSTOPB;
412 if (bios->c_cflag & CREAD)
413 lios->c_cflag |= LINUX_CREAD;
414 if (bios->c_cflag & PARENB)
415 lios->c_cflag |= LINUX_PARENB;
416 if (bios->c_cflag & PARODD)
417 lios->c_cflag |= LINUX_PARODD;
418 if (bios->c_cflag & HUPCL)
419 lios->c_cflag |= LINUX_HUPCL;
420 if (bios->c_cflag & CLOCAL)
421 lios->c_cflag |= LINUX_CLOCAL;
422 if (bios->c_cflag & CRTSCTS)
423 lios->c_cflag |= LINUX_CRTSCTS;
424
425 lios->c_lflag = 0;
426 if (bios->c_lflag & ISIG)
427 lios->c_lflag |= LINUX_ISIG;
428 if (bios->c_lflag & ICANON)
429 lios->c_lflag |= LINUX_ICANON;
430 if (bios->c_lflag & ECHO)
431 lios->c_lflag |= LINUX_ECHO;
432 if (bios->c_lflag & ECHOE)
433 lios->c_lflag |= LINUX_ECHOE;
434 if (bios->c_lflag & ECHOK)
435 lios->c_lflag |= LINUX_ECHOK;
436 if (bios->c_lflag & ECHONL)
437 lios->c_lflag |= LINUX_ECHONL;
438 if (bios->c_lflag & NOFLSH)
439 lios->c_lflag |= LINUX_NOFLSH;
440 if (bios->c_lflag & TOSTOP)
441 lios->c_lflag |= LINUX_TOSTOP;
442 if (bios->c_lflag & ECHOCTL)
443 lios->c_lflag |= LINUX_ECHOCTL;
444 if (bios->c_lflag & ECHOPRT)
445 lios->c_lflag |= LINUX_ECHOPRT;
446 if (bios->c_lflag & ECHOKE)
447 lios->c_lflag |= LINUX_ECHOKE;
448 if (bios->c_lflag & FLUSHO)
449 lios->c_lflag |= LINUX_FLUSHO;
450 if (bios->c_lflag & PENDIN)
451 lios->c_lflag |= LINUX_PENDIN;
452 if (bios->c_lflag & IEXTEN)
453 lios->c_lflag |= LINUX_IEXTEN;
454
455 for (i=0; i<LINUX_NCCS; i++)
456 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
457 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
458 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
459 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
460 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
461 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
462 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
463 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
464 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
465 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
466 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
467 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
468 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
469 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
470 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
471 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
472 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
473
474 for (i=0; i<LINUX_NCCS; i++) {
475 if (i != LINUX_VMIN && i != LINUX_VTIME &&
476 lios->c_cc[i] == _POSIX_VDISABLE)
477 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
478 }
479 lios->c_line = 0;
480
481#ifdef DEBUG
482 if (ldebug(ioctl)) {
483 printf("LINUX: LINUX termios structure (output):\n");
484 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
485 lios->c_iflag, lios->c_oflag, lios->c_cflag,
486 lios->c_lflag, (int)lios->c_line);
487 printf("c_cc ");
488 for (i=0; i<LINUX_NCCS; i++)
489 printf("%02x ", lios->c_cc[i]);
490 printf("\n");
491 }
492#endif
493}
494
495static void
496linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
497{
498 int i;
499
500#ifdef DEBUG
501 if (ldebug(ioctl)) {
502 printf("LINUX: LINUX termios structure (input):\n");
503 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
504 lios->c_iflag, lios->c_oflag, lios->c_cflag,
505 lios->c_lflag, (int)lios->c_line);
506 printf("c_cc ");
507 for (i=0; i<LINUX_NCCS; i++)
508 printf("%02x ", lios->c_cc[i]);
509 printf("\n");
510 }
511#endif
512
513 bios->c_iflag = 0;
514 if (lios->c_iflag & LINUX_IGNBRK)
515 bios->c_iflag |= IGNBRK;
516 if (lios->c_iflag & LINUX_BRKINT)
517 bios->c_iflag |= BRKINT;
518 if (lios->c_iflag & LINUX_IGNPAR)
519 bios->c_iflag |= IGNPAR;
520 if (lios->c_iflag & LINUX_PARMRK)
521 bios->c_iflag |= PARMRK;
522 if (lios->c_iflag & LINUX_INPCK)
523 bios->c_iflag |= INPCK;
524 if (lios->c_iflag & LINUX_ISTRIP)
525 bios->c_iflag |= ISTRIP;
526 if (lios->c_iflag & LINUX_INLCR)
527 bios->c_iflag |= INLCR;
528 if (lios->c_iflag & LINUX_IGNCR)
529 bios->c_iflag |= IGNCR;
530 if (lios->c_iflag & LINUX_ICRNL)
531 bios->c_iflag |= ICRNL;
532 if (lios->c_iflag & LINUX_IXON)
533 bios->c_iflag |= IXON;
534 if (lios->c_iflag & LINUX_IXANY)
535 bios->c_iflag |= IXANY;
536 if (lios->c_iflag & LINUX_IXOFF)
537 bios->c_iflag |= IXOFF;
538 if (lios->c_iflag & LINUX_IMAXBEL)
539 bios->c_iflag |= IMAXBEL;
540
541 bios->c_oflag = 0;
542 if (lios->c_oflag & LINUX_OPOST)
543 bios->c_oflag |= OPOST;
544 if (lios->c_oflag & LINUX_ONLCR)
545 bios->c_oflag |= ONLCR;
546 if (lios->c_oflag & LINUX_XTABS)
547 bios->c_oflag |= TAB3;
548
549 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
550 if (lios->c_cflag & LINUX_CSTOPB)
551 bios->c_cflag |= CSTOPB;
552 if (lios->c_cflag & LINUX_CREAD)
553 bios->c_cflag |= CREAD;
554 if (lios->c_cflag & LINUX_PARENB)
555 bios->c_cflag |= PARENB;
556 if (lios->c_cflag & LINUX_PARODD)
557 bios->c_cflag |= PARODD;
558 if (lios->c_cflag & LINUX_HUPCL)
559 bios->c_cflag |= HUPCL;
560 if (lios->c_cflag & LINUX_CLOCAL)
561 bios->c_cflag |= CLOCAL;
562 if (lios->c_cflag & LINUX_CRTSCTS)
563 bios->c_cflag |= CRTSCTS;
564
565 bios->c_lflag = 0;
566 if (lios->c_lflag & LINUX_ISIG)
567 bios->c_lflag |= ISIG;
568 if (lios->c_lflag & LINUX_ICANON)
569 bios->c_lflag |= ICANON;
570 if (lios->c_lflag & LINUX_ECHO)
571 bios->c_lflag |= ECHO;
572 if (lios->c_lflag & LINUX_ECHOE)
573 bios->c_lflag |= ECHOE;
574 if (lios->c_lflag & LINUX_ECHOK)
575 bios->c_lflag |= ECHOK;
576 if (lios->c_lflag & LINUX_ECHONL)
577 bios->c_lflag |= ECHONL;
578 if (lios->c_lflag & LINUX_NOFLSH)
579 bios->c_lflag |= NOFLSH;
580 if (lios->c_lflag & LINUX_TOSTOP)
581 bios->c_lflag |= TOSTOP;
582 if (lios->c_lflag & LINUX_ECHOCTL)
583 bios->c_lflag |= ECHOCTL;
584 if (lios->c_lflag & LINUX_ECHOPRT)
585 bios->c_lflag |= ECHOPRT;
586 if (lios->c_lflag & LINUX_ECHOKE)
587 bios->c_lflag |= ECHOKE;
588 if (lios->c_lflag & LINUX_FLUSHO)
589 bios->c_lflag |= FLUSHO;
590 if (lios->c_lflag & LINUX_PENDIN)
591 bios->c_lflag |= PENDIN;
592 if (lios->c_lflag & LINUX_IEXTEN)
593 bios->c_lflag |= IEXTEN;
594
595 for (i=0; i<NCCS; i++)
596 bios->c_cc[i] = _POSIX_VDISABLE;
597 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
598 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
599 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
600 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
601 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
602 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
603 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
604 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
605 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
606 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
607 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
608 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
609 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
610 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
611 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
612 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
613
614 for (i=0; i<NCCS; i++) {
615 if (i != VMIN && i != VTIME &&
616 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
617 bios->c_cc[i] = _POSIX_VDISABLE;
618 }
619
620 bios->c_ispeed = bios->c_ospeed =
621 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
622
623#ifdef DEBUG
624 if (ldebug(ioctl)) {
625 printf("LINUX: BSD termios structure (output):\n");
626 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
627 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
628 bios->c_ispeed, bios->c_ospeed);
629 printf("c_cc ");
630 for (i=0; i<NCCS; i++)
631 printf("%02x ", bios->c_cc[i]);
632 printf("\n");
633 }
634#endif
635}
636
637static void
638bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
639{
640 struct linux_termios lios;
641
642 bsd_to_linux_termios(bios, &lios);
643 lio->c_iflag = lios.c_iflag;
644 lio->c_oflag = lios.c_oflag;
645 lio->c_cflag = lios.c_cflag;
646 lio->c_lflag = lios.c_lflag;
647 lio->c_line = lios.c_line;
648 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
649}
650
651static void
652linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
653{
654 struct linux_termios lios;
655 int i;
656
657 lios.c_iflag = lio->c_iflag;
658 lios.c_oflag = lio->c_oflag;
659 lios.c_cflag = lio->c_cflag;
660 lios.c_lflag = lio->c_lflag;
661 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
662 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
663 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
664 linux_to_bsd_termios(&lios, bios);
665}
666
667static int
668linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
669{
670 struct termios bios;
671 struct linux_termios lios;
672 struct linux_termio lio;
673 struct file *fp;
674 int error;
675
676 if ((error = fget(td, args->fd, &fp)) != 0)
677 return (error);
678
679 switch (args->cmd & 0xffff) {
680
681 case LINUX_TCGETS:
682 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
683 td);
684 if (error)
685 break;
686 bsd_to_linux_termios(&bios, &lios);
687 error = copyout(&lios, (void *)args->arg, sizeof(lios));
688 break;
689
690 case LINUX_TCSETS:
691 error = copyin((void *)args->arg, &lios, sizeof(lios));
692 if (error)
693 break;
694 linux_to_bsd_termios(&lios, &bios);
695 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
696 td));
697 break;
698
699 case LINUX_TCSETSW:
700 error = copyin((void *)args->arg, &lios, sizeof(lios));
701 if (error)
702 break;
703 linux_to_bsd_termios(&lios, &bios);
704 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
705 td));
706 break;
707
708 case LINUX_TCSETSF:
709 error = copyin((void *)args->arg, &lios, sizeof(lios));
710 if (error)
711 break;
712 linux_to_bsd_termios(&lios, &bios);
713 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
714 td));
715 break;
716
717 case LINUX_TCGETA:
718 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
719 td);
720 if (error)
721 break;
722 bsd_to_linux_termio(&bios, &lio);
723 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
724 break;
725
726 case LINUX_TCSETA:
727 error = copyin((void *)args->arg, &lio, sizeof(lio));
728 if (error)
729 break;
730 linux_to_bsd_termio(&lio, &bios);
731 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
732 td));
733 break;
734
735 case LINUX_TCSETAW:
736 error = copyin((void *)args->arg, &lio, sizeof(lio));
737 if (error)
738 break;
739 linux_to_bsd_termio(&lio, &bios);
740 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
741 td));
742 break;
743
744 case LINUX_TCSETAF:
745 error = copyin((void *)args->arg, &lio, sizeof(lio));
746 if (error)
747 break;
748 linux_to_bsd_termio(&lio, &bios);
749 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
750 td));
751 break;
752
753 /* LINUX_TCSBRK */
754
755 case LINUX_TCXONC: {
756 switch (args->arg) {
757 case LINUX_TCOOFF:
758 args->cmd = TIOCSTOP;
759 break;
760 case LINUX_TCOON:
761 args->cmd = TIOCSTART;
762 break;
763 case LINUX_TCIOFF:
764 case LINUX_TCION: {
765 int c;
766 struct write_args wr;
767 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
768 td->td_ucred, td);
769 if (error)
770 break;
771 fdrop(fp, td);
772 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
773 c = bios.c_cc[c];
774 if (c != _POSIX_VDISABLE) {
775 wr.fd = args->fd;
776 wr.buf = &c;
777 wr.nbyte = sizeof(c);
778 return (write(td, &wr));
779 } else
780 return (0);
781 }
782 default:
783 fdrop(fp, td);
784 return (EINVAL);
785 }
786 args->arg = 0;
787 error = (ioctl(td, (struct ioctl_args *)args));
788 break;
789 }
790
791 case LINUX_TCFLSH: {
792 int val;
793 switch (args->arg) {
794 case LINUX_TCIFLUSH:
795 val = FREAD;
796 break;
797 case LINUX_TCOFLUSH:
798 val = FWRITE;
799 break;
800 case LINUX_TCIOFLUSH:
801 val = FREAD | FWRITE;
802 break;
803 default:
804 fdrop(fp, td);
805 return (EINVAL);
806 }
807 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
808 break;
809 }
810
811 case LINUX_TIOCEXCL:
812 args->cmd = TIOCEXCL;
813 error = (ioctl(td, (struct ioctl_args *)args));
814 break;
815
816 case LINUX_TIOCNXCL:
817 args->cmd = TIOCNXCL;
818 error = (ioctl(td, (struct ioctl_args *)args));
819 break;
820
821 case LINUX_TIOCSCTTY:
822 args->cmd = TIOCSCTTY;
823 error = (ioctl(td, (struct ioctl_args *)args));
824 break;
825
826 case LINUX_TIOCGPGRP:
827 args->cmd = TIOCGPGRP;
828 error = (ioctl(td, (struct ioctl_args *)args));
829 break;
830
831 case LINUX_TIOCSPGRP:
832 args->cmd = TIOCSPGRP;
833 error = (ioctl(td, (struct ioctl_args *)args));
834 break;
835
836 /* LINUX_TIOCOUTQ */
837 /* LINUX_TIOCSTI */
838
839 case LINUX_TIOCGWINSZ:
840 args->cmd = TIOCGWINSZ;
841 error = (ioctl(td, (struct ioctl_args *)args));
842 break;
843
844 case LINUX_TIOCSWINSZ:
845 args->cmd = TIOCSWINSZ;
846 error = (ioctl(td, (struct ioctl_args *)args));
847 break;
848
849 case LINUX_TIOCMGET:
850 args->cmd = TIOCMGET;
851 error = (ioctl(td, (struct ioctl_args *)args));
852 break;
853
854 case LINUX_TIOCMBIS:
855 args->cmd = TIOCMBIS;
856 error = (ioctl(td, (struct ioctl_args *)args));
857 break;
858
859 case LINUX_TIOCMBIC:
860 args->cmd = TIOCMBIC;
861 error = (ioctl(td, (struct ioctl_args *)args));
862 break;
863
864 case LINUX_TIOCMSET:
865 args->cmd = TIOCMSET;
866 error = (ioctl(td, (struct ioctl_args *)args));
867 break;
868
869 /* TIOCGSOFTCAR */
870 /* TIOCSSOFTCAR */
871
872 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
873 args->cmd = FIONREAD;
874 error = (ioctl(td, (struct ioctl_args *)args));
875 break;
876
877 /* LINUX_TIOCLINUX */
878
879 case LINUX_TIOCCONS:
880 args->cmd = TIOCCONS;
881 error = (ioctl(td, (struct ioctl_args *)args));
882 break;
883
884 case LINUX_TIOCGSERIAL: {
885 struct linux_serial_struct lss;
886 lss.type = LINUX_PORT_16550A;
887 lss.flags = 0;
888 lss.close_delay = 0;
889 error = copyout(&lss, (void *)args->arg, sizeof(lss));
890 break;
891 }
892
893 case LINUX_TIOCSSERIAL: {
894 struct linux_serial_struct lss;
895 error = copyin((void *)args->arg, &lss, sizeof(lss));
896 if (error)
897 break;
898 /* XXX - It really helps to have an implementation that
899 * does nothing. NOT!
900 */
901 error = 0;
902 break;
903 }
904
905 case LINUX_TIOCPKT:
906 args->cmd = TIOCPKT;
907 error = (ioctl(td, (struct ioctl_args *)args));
908 break;
909
910 case LINUX_FIONBIO:
911 args->cmd = FIONBIO;
912 error = (ioctl(td, (struct ioctl_args *)args));
913 break;
914
915 case LINUX_TIOCNOTTY:
916 args->cmd = TIOCNOTTY;
917 error = (ioctl(td, (struct ioctl_args *)args));
918 break;
919
920 case LINUX_TIOCSETD: {
921 int line;
922 switch (args->arg) {
923 case LINUX_N_TTY:
924 line = TTYDISC;
925 break;
926 case LINUX_N_SLIP:
927 line = SLIPDISC;
928 break;
929 case LINUX_N_PPP:
930 line = PPPDISC;
931 break;
932 default:
933 fdrop(fp, td);
934 return (EINVAL);
935 }
936 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
937 td));
938 break;
939 }
940
941 case LINUX_TIOCGETD: {
942 int linux_line;
943 int bsd_line = TTYDISC;
944 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
945 td->td_ucred, td);
946 if (error)
947 return (error);
948 switch (bsd_line) {
949 case TTYDISC:
950 linux_line = LINUX_N_TTY;
951 break;
952 case SLIPDISC:
953 linux_line = LINUX_N_SLIP;
954 break;
955 case PPPDISC:
956 linux_line = LINUX_N_PPP;
957 break;
958 default:
959 fdrop(fp, td);
960 return (EINVAL);
961 }
962 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
963 break;
964 }
965
966 /* LINUX_TCSBRKP */
967 /* LINUX_TIOCTTYGSTRUCT */
968
969 case LINUX_FIONCLEX:
970 args->cmd = FIONCLEX;
971 error = (ioctl(td, (struct ioctl_args *)args));
972 break;
973
974 case LINUX_FIOCLEX:
975 args->cmd = FIOCLEX;
976 error = (ioctl(td, (struct ioctl_args *)args));
977 break;
978
979 case LINUX_FIOASYNC:
980 args->cmd = FIOASYNC;
981 error = (ioctl(td, (struct ioctl_args *)args));
982 break;
983
984 /* LINUX_TIOCSERCONFIG */
985 /* LINUX_TIOCSERGWILD */
986 /* LINUX_TIOCSERSWILD */
987 /* LINUX_TIOCGLCKTRMIOS */
988 /* LINUX_TIOCSLCKTRMIOS */
989
990 case LINUX_TIOCSBRK:
991 args->cmd = TIOCSBRK;
992 error = (ioctl(td, (struct ioctl_args *)args));
993 break;
994
995 case LINUX_TIOCCBRK:
996 args->cmd = TIOCCBRK;
997 error = (ioctl(td, (struct ioctl_args *)args));
998 break;
999 case LINUX_TIOCGPTN: {
1000 int nb;
1001
1002 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
1003 if (!error)
1004 error = copyout(&nb, (void *)args->arg,
1005 sizeof(int));
1006 break;
1007 }
1008 case LINUX_TIOCSPTLCK:
1009 /* Our unlockpt() does nothing. */
1010 error = 0;
1011 break;
1012 default:
1013 error = ENOIOCTL;
1014 break;
1015 }
1016
1017 fdrop(fp, td);
1018 return (error);
1019}
1020
1021/*
1022 * CDROM related ioctls
1023 */
1024
1025struct linux_cdrom_msf
1026{
1027 u_char cdmsf_min0;
1028 u_char cdmsf_sec0;
1029 u_char cdmsf_frame0;
1030 u_char cdmsf_min1;
1031 u_char cdmsf_sec1;
1032 u_char cdmsf_frame1;
1033};
1034
1035struct linux_cdrom_tochdr
1036{
1037 u_char cdth_trk0;
1038 u_char cdth_trk1;
1039};
1040
1041union linux_cdrom_addr
1042{
1043 struct {
1044 u_char minute;
1045 u_char second;
1046 u_char frame;
1047 } msf;
1048 int lba;
1049};
1050
1051struct linux_cdrom_tocentry
1052{
1053 u_char cdte_track;
1054 u_char cdte_adr:4;
1055 u_char cdte_ctrl:4;
1056 u_char cdte_format;
1057 union linux_cdrom_addr cdte_addr;
1058 u_char cdte_datamode;
1059};
1060
1061struct linux_cdrom_subchnl
1062{
1063 u_char cdsc_format;
1064 u_char cdsc_audiostatus;
1065 u_char cdsc_adr:4;
1066 u_char cdsc_ctrl:4;
1067 u_char cdsc_trk;
1068 u_char cdsc_ind;
1069 union linux_cdrom_addr cdsc_absaddr;
1070 union linux_cdrom_addr cdsc_reladdr;
1071};
1072
1073struct l_cdrom_read_audio {
1074 union linux_cdrom_addr addr;
1075 u_char addr_format;
1076 l_int nframes;
1077 u_char *buf;
1078};
1079
1080struct l_dvd_layer {
1081 u_char book_version:4;
1082 u_char book_type:4;
1083 u_char min_rate:4;
1084 u_char disc_size:4;
1085 u_char layer_type:4;
1086 u_char track_path:1;
1087 u_char nlayers:2;
1088 u_char track_density:4;
1089 u_char linear_density:4;
1090 u_char bca:1;
1091 u_int32_t start_sector;
1092 u_int32_t end_sector;
1093 u_int32_t end_sector_l0;
1094};
1095
1096struct l_dvd_physical {
1097 u_char type;
1098 u_char layer_num;
1099 struct l_dvd_layer layer[4];
1100};
1101
1102struct l_dvd_copyright {
1103 u_char type;
1104 u_char layer_num;
1105 u_char cpst;
1106 u_char rmi;
1107};
1108
1109struct l_dvd_disckey {
1110 u_char type;
1111 l_uint agid:2;
1112 u_char value[2048];
1113};
1114
1115struct l_dvd_bca {
1116 u_char type;
1117 l_int len;
1118 u_char value[188];
1119};
1120
1121struct l_dvd_manufact {
1122 u_char type;
1123 u_char layer_num;
1124 l_int len;
1125 u_char value[2048];
1126};
1127
1128typedef union {
1129 u_char type;
1130 struct l_dvd_physical physical;
1131 struct l_dvd_copyright copyright;
1132 struct l_dvd_disckey disckey;
1133 struct l_dvd_bca bca;
1134 struct l_dvd_manufact manufact;
1135} l_dvd_struct;
1136
1137typedef u_char l_dvd_key[5];
1138typedef u_char l_dvd_challenge[10];
1139
1140struct l_dvd_lu_send_agid {
1141 u_char type;
1142 l_uint agid:2;
1143};
1144
1145struct l_dvd_host_send_challenge {
1146 u_char type;
1147 l_uint agid:2;
1148 l_dvd_challenge chal;
1149};
1150
1151struct l_dvd_send_key {
1152 u_char type;
1153 l_uint agid:2;
1154 l_dvd_key key;
1155};
1156
1157struct l_dvd_lu_send_challenge {
1158 u_char type;
1159 l_uint agid:2;
1160 l_dvd_challenge chal;
1161};
1162
1163struct l_dvd_lu_send_title_key {
1164 u_char type;
1165 l_uint agid:2;
1166 l_dvd_key title_key;
1167 l_int lba;
1168 l_uint cpm:1;
1169 l_uint cp_sec:1;
1170 l_uint cgms:2;
1171};
1172
1173struct l_dvd_lu_send_asf {
1174 u_char type;
1175 l_uint agid:2;
1176 l_uint asf:1;
1177};
1178
1179struct l_dvd_host_send_rpcstate {
1180 u_char type;
1181 u_char pdrc;
1182};
1183
1184struct l_dvd_lu_send_rpcstate {
1185 u_char type:2;
1186 u_char vra:3;
1187 u_char ucca:3;
1188 u_char region_mask;
1189 u_char rpc_scheme;
1190};
1191
1192typedef union {
1193 u_char type;
1194 struct l_dvd_lu_send_agid lsa;
1195 struct l_dvd_host_send_challenge hsc;
1196 struct l_dvd_send_key lsk;
1197 struct l_dvd_lu_send_challenge lsc;
1198 struct l_dvd_send_key hsk;
1199 struct l_dvd_lu_send_title_key lstk;
1200 struct l_dvd_lu_send_asf lsasf;
1201 struct l_dvd_host_send_rpcstate hrpcs;
1202 struct l_dvd_lu_send_rpcstate lrpcs;
1203} l_dvd_authinfo;
1204
1205static void
1206bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1207{
1208 if (af == CD_LBA_FORMAT)
1209 lp->lba = bp->lba;
1210 else {
1211 lp->msf.minute = bp->msf.minute;
1212 lp->msf.second = bp->msf.second;
1213 lp->msf.frame = bp->msf.frame;
1214 }
1215}
1216
1217static void
1218set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1219{
1220 if (format == LINUX_CDROM_MSF) {
1221 addr->msf.frame = lba % 75;
1222 lba /= 75;
1223 lba += 2;
1224 addr->msf.second = lba % 60;
1225 addr->msf.minute = lba / 60;
1226 } else
1227 addr->lba = lba;
1228}
1229
1230static int
1231linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1232{
1233 bp->format = lp->type;
1234 switch (bp->format) {
1235 case DVD_STRUCT_PHYSICAL:
1236 if (bp->layer_num >= 4)
1237 return (EINVAL);
1238 bp->layer_num = lp->physical.layer_num;
1239 break;
1240 case DVD_STRUCT_COPYRIGHT:
1241 bp->layer_num = lp->copyright.layer_num;
1242 break;
1243 case DVD_STRUCT_DISCKEY:
1244 bp->agid = lp->disckey.agid;
1245 break;
1246 case DVD_STRUCT_BCA:
1247 case DVD_STRUCT_MANUFACT:
1248 break;
1249 default:
1250 return (EINVAL);
1251 }
1252 return (0);
1253}
1254
1255static int
1256bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1257{
1258 switch (bp->format) {
1259 case DVD_STRUCT_PHYSICAL: {
1260 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1261 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1262 memset(llp, 0, sizeof(*llp));
1263 llp->book_version = blp->book_version;
1264 llp->book_type = blp->book_type;
1265 llp->min_rate = blp->max_rate;
1266 llp->disc_size = blp->disc_size;
1267 llp->layer_type = blp->layer_type;
1268 llp->track_path = blp->track_path;
1269 llp->nlayers = blp->nlayers;
1270 llp->track_density = blp->track_density;
1271 llp->linear_density = blp->linear_density;
1272 llp->bca = blp->bca;
1273 llp->start_sector = blp->start_sector;
1274 llp->end_sector = blp->end_sector;
1275 llp->end_sector_l0 = blp->end_sector_l0;
1276 break;
1277 }
1278 case DVD_STRUCT_COPYRIGHT:
1279 lp->copyright.cpst = bp->cpst;
1280 lp->copyright.rmi = bp->rmi;
1281 break;
1282 case DVD_STRUCT_DISCKEY:
1283 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1284 break;
1285 case DVD_STRUCT_BCA:
1286 lp->bca.len = bp->length;
1287 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1288 break;
1289 case DVD_STRUCT_MANUFACT:
1290 lp->manufact.len = bp->length;
1291 memcpy(lp->manufact.value, bp->data,
1292 sizeof(lp->manufact.value));
1293 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */
1294 break;
1295 default:
1296 return (EINVAL);
1297 }
1298 return (0);
1299}
1300
1301static int
1302linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1303 struct dvd_authinfo *bp)
1304{
1305 switch (lp->type) {
1306 case LINUX_DVD_LU_SEND_AGID:
1307 *bcode = DVDIOCREPORTKEY;
1308 bp->format = DVD_REPORT_AGID;
1309 bp->agid = lp->lsa.agid;
1310 break;
1311 case LINUX_DVD_HOST_SEND_CHALLENGE:
1312 *bcode = DVDIOCSENDKEY;
1313 bp->format = DVD_SEND_CHALLENGE;
1314 bp->agid = lp->hsc.agid;
1315 memcpy(bp->keychal, lp->hsc.chal, 10);
1316 break;
1317 case LINUX_DVD_LU_SEND_KEY1:
1318 *bcode = DVDIOCREPORTKEY;
1319 bp->format = DVD_REPORT_KEY1;
1320 bp->agid = lp->lsk.agid;
1321 break;
1322 case LINUX_DVD_LU_SEND_CHALLENGE:
1323 *bcode = DVDIOCREPORTKEY;
1324 bp->format = DVD_REPORT_CHALLENGE;
1325 bp->agid = lp->lsc.agid;
1326 break;
1327 case LINUX_DVD_HOST_SEND_KEY2:
1328 *bcode = DVDIOCSENDKEY;
1329 bp->format = DVD_SEND_KEY2;
1330 bp->agid = lp->hsk.agid;
1331 memcpy(bp->keychal, lp->hsk.key, 5);
1332 break;
1333 case LINUX_DVD_LU_SEND_TITLE_KEY:
1334 *bcode = DVDIOCREPORTKEY;
1335 bp->format = DVD_REPORT_TITLE_KEY;
1336 bp->agid = lp->lstk.agid;
1337 bp->lba = lp->lstk.lba;
1338 break;
1339 case LINUX_DVD_LU_SEND_ASF:
1340 *bcode = DVDIOCREPORTKEY;
1341 bp->format = DVD_REPORT_ASF;
1342 bp->agid = lp->lsasf.agid;
1343 break;
1344 case LINUX_DVD_INVALIDATE_AGID:
1345 *bcode = DVDIOCREPORTKEY;
1346 bp->format = DVD_INVALIDATE_AGID;
1347 bp->agid = lp->lsa.agid;
1348 break;
1349 case LINUX_DVD_LU_SEND_RPC_STATE:
1350 *bcode = DVDIOCREPORTKEY;
1351 bp->format = DVD_REPORT_RPC;
1352 break;
1353 case LINUX_DVD_HOST_SEND_RPC_STATE:
1354 *bcode = DVDIOCSENDKEY;
1355 bp->format = DVD_SEND_RPC;
1356 bp->region = lp->hrpcs.pdrc;
1357 break;
1358 default:
1359 return (EINVAL);
1360 }
1361 return (0);
1362}
1363
1364static int
1365bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1366{
1367 switch (lp->type) {
1368 case LINUX_DVD_LU_SEND_AGID:
1369 lp->lsa.agid = bp->agid;
1370 break;
1371 case LINUX_DVD_HOST_SEND_CHALLENGE:
1372 lp->type = LINUX_DVD_LU_SEND_KEY1;
1373 break;
1374 case LINUX_DVD_LU_SEND_KEY1:
1375 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1376 break;
1377 case LINUX_DVD_LU_SEND_CHALLENGE:
1378 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1379 break;
1380 case LINUX_DVD_HOST_SEND_KEY2:
1381 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1382 break;
1383 case LINUX_DVD_LU_SEND_TITLE_KEY:
1384 memcpy(lp->lstk.title_key, bp->keychal,
1385 sizeof(lp->lstk.title_key));
1386 lp->lstk.cpm = bp->cpm;
1387 lp->lstk.cp_sec = bp->cp_sec;
1388 lp->lstk.cgms = bp->cgms;
1389 break;
1390 case LINUX_DVD_LU_SEND_ASF:
1391 lp->lsasf.asf = bp->asf;
1392 break;
1393 case LINUX_DVD_INVALIDATE_AGID:
1394 break;
1395 case LINUX_DVD_LU_SEND_RPC_STATE:
1396 lp->lrpcs.type = bp->reg_type;
1397 lp->lrpcs.vra = bp->vend_rsts;
1398 lp->lrpcs.ucca = bp->user_rsts;
1399 lp->lrpcs.region_mask = bp->region;
1400 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1401 break;
1402 case LINUX_DVD_HOST_SEND_RPC_STATE:
1403 break;
1404 default:
1405 return (EINVAL);
1406 }
1407 return (0);
1408}
1409
1410static int
1411linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1412{
1413 struct file *fp;
1414 int error;
1415
1416 if ((error = fget(td, args->fd, &fp)) != 0)
1417 return (error);
1418 switch (args->cmd & 0xffff) {
1419
1420 case LINUX_CDROMPAUSE:
1421 args->cmd = CDIOCPAUSE;
1422 error = (ioctl(td, (struct ioctl_args *)args));
1423 break;
1424
1425 case LINUX_CDROMRESUME:
1426 args->cmd = CDIOCRESUME;
1427 error = (ioctl(td, (struct ioctl_args *)args));
1428 break;
1429
1430 case LINUX_CDROMPLAYMSF:
1431 args->cmd = CDIOCPLAYMSF;
1432 error = (ioctl(td, (struct ioctl_args *)args));
1433 break;
1434
1435 case LINUX_CDROMPLAYTRKIND:
1436 args->cmd = CDIOCPLAYTRACKS;
1437 error = (ioctl(td, (struct ioctl_args *)args));
1438 break;
1439
1440 case LINUX_CDROMREADTOCHDR: {
1441 struct ioc_toc_header th;
1442 struct linux_cdrom_tochdr lth;
1443 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1444 td->td_ucred, td);
1445 if (!error) {
1446 lth.cdth_trk0 = th.starting_track;
1447 lth.cdth_trk1 = th.ending_track;
1448 copyout(&lth, (void *)args->arg, sizeof(lth));
1449 }
1450 break;
1451 }
1452
1453 case LINUX_CDROMREADTOCENTRY: {
1454 struct linux_cdrom_tocentry lte;
1455 struct ioc_read_toc_single_entry irtse;
1456
1457 error = copyin((void *)args->arg, &lte, sizeof(lte));
1458 if (error)
1459 break;
1460 irtse.address_format = lte.cdte_format;
1461 irtse.track = lte.cdte_track;
1462 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1463 td->td_ucred, td);
1464 if (!error) {
1465 lte.cdte_ctrl = irtse.entry.control;
1466 lte.cdte_adr = irtse.entry.addr_type;
1467 bsd_to_linux_msf_lba(irtse.address_format,
1468 &irtse.entry.addr, &lte.cdte_addr);
1469 error = copyout(&lte, (void *)args->arg, sizeof(lte));
1470 }
1471 break;
1472 }
1473
1474 case LINUX_CDROMSTOP:
1475 args->cmd = CDIOCSTOP;
1476 error = (ioctl(td, (struct ioctl_args *)args));
1477 break;
1478
1479 case LINUX_CDROMSTART:
1480 args->cmd = CDIOCSTART;
1481 error = (ioctl(td, (struct ioctl_args *)args));
1482 break;
1483
1484 case LINUX_CDROMEJECT:
1485 args->cmd = CDIOCEJECT;
1486 error = (ioctl(td, (struct ioctl_args *)args));
1487 break;
1488
1489 /* LINUX_CDROMVOLCTRL */
1490
1491 case LINUX_CDROMSUBCHNL: {
1492 struct linux_cdrom_subchnl sc;
1493 struct ioc_read_subchannel bsdsc;
1494 struct cd_sub_channel_info bsdinfo;
1495
1496 bsdsc.address_format = CD_LBA_FORMAT;
1497 bsdsc.data_format = CD_CURRENT_POSITION;
1498 bsdsc.track = 0;
1499 bsdsc.data_len = sizeof(bsdinfo);
1500 bsdsc.data = &bsdinfo;
1501 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE,
1502 (caddr_t)&bsdsc, td->td_ucred, td);
1503 if (error)
1504 break;
1505 error = copyin((void *)args->arg, &sc, sizeof(sc));
1506 if (error)
1507 break;
1508 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1509 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1510 sc.cdsc_ctrl = bsdinfo.what.position.control;
1511 sc.cdsc_trk = bsdinfo.what.position.track_number;
1512 sc.cdsc_ind = bsdinfo.what.position.index_number;
1513 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1514 bsdinfo.what.position.absaddr.lba);
1515 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1516 bsdinfo.what.position.reladdr.lba);
1517 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1518 break;
1519 }
1520
1521 /* LINUX_CDROMREADMODE2 */
1522 /* LINUX_CDROMREADMODE1 */
1523 /* LINUX_CDROMREADAUDIO */
1524 /* LINUX_CDROMEJECT_SW */
1525 /* LINUX_CDROMMULTISESSION */
1526 /* LINUX_CDROM_GET_UPC */
1527
1528 case LINUX_CDROMRESET:
1529 args->cmd = CDIOCRESET;
1530 error = (ioctl(td, (struct ioctl_args *)args));
1531 break;
1532
1533 /* LINUX_CDROMVOLREAD */
1534 /* LINUX_CDROMREADRAW */
1535 /* LINUX_CDROMREADCOOKED */
1536 /* LINUX_CDROMSEEK */
1537 /* LINUX_CDROMPLAYBLK */
1538 /* LINUX_CDROMREADALL */
1539 /* LINUX_CDROMCLOSETRAY */
1540 /* LINUX_CDROMLOADFROMSLOT */
1541 /* LINUX_CDROMGETSPINDOWN */
1542 /* LINUX_CDROMSETSPINDOWN */
1543 /* LINUX_CDROM_SET_OPTIONS */
1544 /* LINUX_CDROM_CLEAR_OPTIONS */
1545 /* LINUX_CDROM_SELECT_SPEED */
1546 /* LINUX_CDROM_SELECT_DISC */
1547 /* LINUX_CDROM_MEDIA_CHANGED */
1548 /* LINUX_CDROM_DRIVE_STATUS */
1549 /* LINUX_CDROM_DISC_STATUS */
1550 /* LINUX_CDROM_CHANGER_NSLOTS */
1551 /* LINUX_CDROM_LOCKDOOR */
1552 /* LINUX_CDROM_DEBUG */
1553 /* LINUX_CDROM_GET_CAPABILITY */
1554 /* LINUX_CDROMAUDIOBUFSIZ */
1555
1556 case LINUX_DVD_READ_STRUCT: {
1557 l_dvd_struct *lds;
1558 struct dvd_struct *bds;
1559
1560 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1561 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1562 error = copyin((void *)args->arg, lds, sizeof(*lds));
1563 if (error)
1564 goto out;
1565 error = linux_to_bsd_dvd_struct(lds, bds);
1566 if (error)
1567 goto out;
1568 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1569 td->td_ucred, td);
1570 if (error)
1571 goto out;
1572 error = bsd_to_linux_dvd_struct(bds, lds);
1573 if (error)
1574 goto out;
1575 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1576 out:
1577 free(bds, M_LINUX);
1578 free(lds, M_LINUX);
1579 break;
1580 }
1581
1582 /* LINUX_DVD_WRITE_STRUCT */
1583
1584 case LINUX_DVD_AUTH: {
1585 l_dvd_authinfo lda;
1586 struct dvd_authinfo bda;
1587 int bcode;
1588
1589 error = copyin((void *)args->arg, &lda, sizeof(lda));
1590 if (error)
1591 break;
1592 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1593 if (error)
1594 break;
1595 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1596 td);
1597 if (error) {
1598 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1599 lda.type = LINUX_DVD_AUTH_FAILURE;
1600 copyout(&lda, (void *)args->arg, sizeof(lda));
1601 }
1602 break;
1603 }
1604 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1605 if (error)
1606 break;
1607 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1608 break;
1609 }
1610
1611 case LINUX_SCSI_GET_BUS_NUMBER:
1612 case LINUX_SCSI_GET_IDLUN:
1613 error = linux_ioctl_sg(td, args);
1614 break;
1615
1616 /* LINUX_CDROM_SEND_PACKET */
1617 /* LINUX_CDROM_NEXT_WRITABLE */
1618 /* LINUX_CDROM_LAST_WRITTEN */
1619
1620 default:
1621 error = ENOIOCTL;
1622 break;
1623 }
1624
1625 fdrop(fp, td);
1626 return (error);
1627}
1628
1629static int
1630linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1631{
1632
1633 return (ENOTTY);
1634}
1635
1636/*
1637 * Sound related ioctls
1638 */
1639
1640struct linux_mixer_info {
1641 char id[16];
1642 char name[32];
1643 int modify_counter;
1644 int fillers[10];
1645};
1646
1647struct linux_old_mixer_info {
1648 char id[16];
1649 char name[32];
1650};
1651
1652static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1653
1654#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1655
1656static int
1657linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1658{
1659
1660 switch (args->cmd & 0xffff) {
1661
1662 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1663 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1664 return (ioctl(td, (struct ioctl_args *)args));
1665
1666 case LINUX_SOUND_MIXER_WRITE_BASS:
1667 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1668 return (ioctl(td, (struct ioctl_args *)args));
1669
1670 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1671 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1672 return (ioctl(td, (struct ioctl_args *)args));
1673
1674 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1675 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1676 return (ioctl(td, (struct ioctl_args *)args));
1677
1678 case LINUX_SOUND_MIXER_WRITE_PCM:
1679 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1680 return (ioctl(td, (struct ioctl_args *)args));
1681
1682 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1683 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1684 return (ioctl(td, (struct ioctl_args *)args));
1685
1686 case LINUX_SOUND_MIXER_WRITE_LINE:
1687 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1688 return (ioctl(td, (struct ioctl_args *)args));
1689
1690 case LINUX_SOUND_MIXER_WRITE_MIC:
1691 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1692 return (ioctl(td, (struct ioctl_args *)args));
1693
1694 case LINUX_SOUND_MIXER_WRITE_CD:
1695 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1696 return (ioctl(td, (struct ioctl_args *)args));
1697
1698 case LINUX_SOUND_MIXER_WRITE_IMIX:
1699 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1700 return (ioctl(td, (struct ioctl_args *)args));
1701
1702 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1704 return (ioctl(td, (struct ioctl_args *)args));
1705
1706 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1708 return (ioctl(td, (struct ioctl_args *)args));
1709
1710 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1712 return (ioctl(td, (struct ioctl_args *)args));
1713
1714 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1716 return (ioctl(td, (struct ioctl_args *)args));
1717
1718 case LINUX_SOUND_MIXER_WRITE_LINE1:
1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1720 return (ioctl(td, (struct ioctl_args *)args));
1721
1722 case LINUX_SOUND_MIXER_WRITE_LINE2:
1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1724 return (ioctl(td, (struct ioctl_args *)args));
1725
1726 case LINUX_SOUND_MIXER_WRITE_LINE3:
1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1728 return (ioctl(td, (struct ioctl_args *)args));
1729
1730 case LINUX_SOUND_MIXER_INFO: {
1731 /* Key on encoded length */
1732 switch ((args->cmd >> 16) & 0x1fff) {
1733 case 0x005c: { /* SOUND_MIXER_INFO */
1734 struct linux_mixer_info info;
1735 bzero(&info, sizeof(info));
1736 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1737 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1738 copyout(&info, (void *)args->arg, sizeof(info));
1739 break;
1740 }
1741 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1742 struct linux_old_mixer_info info;
1743 bzero(&info, sizeof(info));
1744 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1745 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1746 copyout(&info, (void *)args->arg, sizeof(info));
1747 break;
1748 }
1749 default:
1750 return (ENOIOCTL);
1751 }
1752 break;
1753 }
1754
1755 case LINUX_OSS_GETVERSION: {
1756 int version = linux_get_oss_version(td);
1757 return (copyout(&version, (void *)args->arg, sizeof(int)));
1758 }
1759
1760 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1761 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1762 return (ioctl(td, (struct ioctl_args *)args));
1763
1764 case LINUX_SOUND_MIXER_READ_RECMASK:
1765 args->cmd = SOUND_MIXER_READ_RECMASK;
1766 return (ioctl(td, (struct ioctl_args *)args));
1767
1768 case LINUX_SOUND_MIXER_READ_DEVMASK:
1769 args->cmd = SOUND_MIXER_READ_DEVMASK;
1770 return (ioctl(td, (struct ioctl_args *)args));
1771
1772 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1773 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1774 return (ioctl(td, (struct ioctl_args *)args));
1775
1776 case LINUX_SNDCTL_DSP_RESET:
1777 args->cmd = SNDCTL_DSP_RESET;
1778 return (ioctl(td, (struct ioctl_args *)args));
1779
1780 case LINUX_SNDCTL_DSP_SYNC:
1781 args->cmd = SNDCTL_DSP_SYNC;
1782 return (ioctl(td, (struct ioctl_args *)args));
1783
1784 case LINUX_SNDCTL_DSP_SPEED:
1785 args->cmd = SNDCTL_DSP_SPEED;
1786 return (ioctl(td, (struct ioctl_args *)args));
1787
1788 case LINUX_SNDCTL_DSP_STEREO:
1789 args->cmd = SNDCTL_DSP_STEREO;
1790 return (ioctl(td, (struct ioctl_args *)args));
1791
1792 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1793 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1794 return (ioctl(td, (struct ioctl_args *)args));
1795
1796 case LINUX_SNDCTL_DSP_SETFMT:
1797 args->cmd = SNDCTL_DSP_SETFMT;
1798 return (ioctl(td, (struct ioctl_args *)args));
1799
1800 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1801 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1802 return (ioctl(td, (struct ioctl_args *)args));
1803
1804 case LINUX_SOUND_PCM_WRITE_FILTER:
1805 args->cmd = SOUND_PCM_WRITE_FILTER;
1806 return (ioctl(td, (struct ioctl_args *)args));
1807
1808 case LINUX_SNDCTL_DSP_POST:
1809 args->cmd = SNDCTL_DSP_POST;
1810 return (ioctl(td, (struct ioctl_args *)args));
1811
1812 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1813 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1814 return (ioctl(td, (struct ioctl_args *)args));
1815
1816 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1817 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1818 return (ioctl(td, (struct ioctl_args *)args));
1819
1820 case LINUX_SNDCTL_DSP_GETFMTS:
1821 args->cmd = SNDCTL_DSP_GETFMTS;
1822 return (ioctl(td, (struct ioctl_args *)args));
1823
1824 case LINUX_SNDCTL_DSP_GETOSPACE:
1825 args->cmd = SNDCTL_DSP_GETOSPACE;
1826 return (ioctl(td, (struct ioctl_args *)args));
1827
1828 case LINUX_SNDCTL_DSP_GETISPACE:
1829 args->cmd = SNDCTL_DSP_GETISPACE;
1830 return (ioctl(td, (struct ioctl_args *)args));
1831
1832 case LINUX_SNDCTL_DSP_NONBLOCK:
1833 args->cmd = SNDCTL_DSP_NONBLOCK;
1834 return (ioctl(td, (struct ioctl_args *)args));
1835
1836 case LINUX_SNDCTL_DSP_GETCAPS:
1837 args->cmd = SNDCTL_DSP_GETCAPS;
1838 return (ioctl(td, (struct ioctl_args *)args));
1839
1840 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1841 args->cmd = SNDCTL_DSP_SETTRIGGER;
1842 return (ioctl(td, (struct ioctl_args *)args));
1843
1844 case LINUX_SNDCTL_DSP_GETIPTR:
1845 args->cmd = SNDCTL_DSP_GETIPTR;
1846 return (ioctl(td, (struct ioctl_args *)args));
1847
1848 case LINUX_SNDCTL_DSP_GETOPTR:
1849 args->cmd = SNDCTL_DSP_GETOPTR;
1850 return (ioctl(td, (struct ioctl_args *)args));
1851
1852 case LINUX_SNDCTL_DSP_SETDUPLEX:
1853 args->cmd = SNDCTL_DSP_SETDUPLEX;
1854 return (ioctl(td, (struct ioctl_args *)args));
1855
1856 case LINUX_SNDCTL_DSP_GETODELAY:
1857 args->cmd = SNDCTL_DSP_GETODELAY;
1858 return (ioctl(td, (struct ioctl_args *)args));
1859
1860 case LINUX_SNDCTL_SEQ_RESET:
1861 args->cmd = SNDCTL_SEQ_RESET;
1862 return (ioctl(td, (struct ioctl_args *)args));
1863
1864 case LINUX_SNDCTL_SEQ_SYNC:
1865 args->cmd = SNDCTL_SEQ_SYNC;
1866 return (ioctl(td, (struct ioctl_args *)args));
1867
1868 case LINUX_SNDCTL_SYNTH_INFO:
1869 args->cmd = SNDCTL_SYNTH_INFO;
1870 return (ioctl(td, (struct ioctl_args *)args));
1871
1872 case LINUX_SNDCTL_SEQ_CTRLRATE:
1873 args->cmd = SNDCTL_SEQ_CTRLRATE;
1874 return (ioctl(td, (struct ioctl_args *)args));
1875
1876 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1877 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1878 return (ioctl(td, (struct ioctl_args *)args));
1879
1880 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1881 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1882 return (ioctl(td, (struct ioctl_args *)args));
1883
1884 case LINUX_SNDCTL_SEQ_PERCMODE:
1885 args->cmd = SNDCTL_SEQ_PERCMODE;
1886 return (ioctl(td, (struct ioctl_args *)args));
1887
1888 case LINUX_SNDCTL_FM_LOAD_INSTR:
1889 args->cmd = SNDCTL_FM_LOAD_INSTR;
1890 return (ioctl(td, (struct ioctl_args *)args));
1891
1892 case LINUX_SNDCTL_SEQ_TESTMIDI:
1893 args->cmd = SNDCTL_SEQ_TESTMIDI;
1894 return (ioctl(td, (struct ioctl_args *)args));
1895
1896 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1897 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1898 return (ioctl(td, (struct ioctl_args *)args));
1899
1900 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1901 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1902 return (ioctl(td, (struct ioctl_args *)args));
1903
1904 case LINUX_SNDCTL_SEQ_NRMIDIS:
1905 args->cmd = SNDCTL_SEQ_NRMIDIS;
1906 return (ioctl(td, (struct ioctl_args *)args));
1907
1908 case LINUX_SNDCTL_MIDI_INFO:
1909 args->cmd = SNDCTL_MIDI_INFO;
1910 return (ioctl(td, (struct ioctl_args *)args));
1911
1912 case LINUX_SNDCTL_SEQ_TRESHOLD:
1913 args->cmd = SNDCTL_SEQ_TRESHOLD;
1914 return (ioctl(td, (struct ioctl_args *)args));
1915
1916 case LINUX_SNDCTL_SYNTH_MEMAVL:
1917 args->cmd = SNDCTL_SYNTH_MEMAVL;
1918 return (ioctl(td, (struct ioctl_args *)args));
1919
1920 }
1921
1922 return (ENOIOCTL);
1923}
1924
1925/*
1926 * Console related ioctls
1927 */
1928
1929#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
1930
1931static int
1932linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1933{
1934 struct file *fp;
1935 int error;
1936
1937 if ((error = fget(td, args->fd, &fp)) != 0)
1938 return (error);
1939 switch (args->cmd & 0xffff) {
1940
1941 case LINUX_KIOCSOUND:
1942 args->cmd = KIOCSOUND;
1943 error = (ioctl(td, (struct ioctl_args *)args));
1944 break;
1945
1946 case LINUX_KDMKTONE:
1947 args->cmd = KDMKTONE;
1948 error = (ioctl(td, (struct ioctl_args *)args));
1949 break;
1950
1951 case LINUX_KDGETLED:
1952 args->cmd = KDGETLED;
1953 error = (ioctl(td, (struct ioctl_args *)args));
1954 break;
1955
1956 case LINUX_KDSETLED:
1957 args->cmd = KDSETLED;
1958 error = (ioctl(td, (struct ioctl_args *)args));
1959 break;
1960
1961 case LINUX_KDSETMODE:
1962 args->cmd = KDSETMODE;
1963 error = (ioctl(td, (struct ioctl_args *)args));
1964 break;
1965
1966 case LINUX_KDGETMODE:
1967 args->cmd = KDGETMODE;
1968 error = (ioctl(td, (struct ioctl_args *)args));
1969 break;
1970
1971 case LINUX_KDGKBMODE:
1972 args->cmd = KDGKBMODE;
1973 error = (ioctl(td, (struct ioctl_args *)args));
1974 break;
1975
1976 case LINUX_KDSKBMODE: {
1977 int kbdmode;
1978 switch (args->arg) {
1979 case LINUX_KBD_RAW:
1980 kbdmode = K_RAW;
1981 break;
1982 case LINUX_KBD_XLATE:
1983 kbdmode = K_XLATE;
1984 break;
1985 case LINUX_KBD_MEDIUMRAW:
1986 kbdmode = K_RAW;
1987 break;
1988 default:
1989 fdrop(fp, td);
1990 return (EINVAL);
1991 }
1992 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
1993 td->td_ucred, td));
1994 break;
1995 }
1996
1997 case LINUX_VT_OPENQRY:
1998 args->cmd = VT_OPENQRY;
1999 error = (ioctl(td, (struct ioctl_args *)args));
2000 break;
2001
2002 case LINUX_VT_GETMODE:
2003 args->cmd = VT_GETMODE;
2004 error = (ioctl(td, (struct ioctl_args *)args));
2005 break;
2006
2007 case LINUX_VT_SETMODE: {
2008 struct vt_mode mode;
2009 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
2010 break;
2011 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig))
2012 mode.frsig = mode.acqsig;
2013 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
2014 break;
2015 args->cmd = VT_SETMODE;
2016 error = (ioctl(td, (struct ioctl_args *)args));
2017 break;
2018 }
2019
2020 case LINUX_VT_GETSTATE:
2021 args->cmd = VT_GETACTIVE;
2022 error = (ioctl(td, (struct ioctl_args *)args));
2023 break;
2024
2025 case LINUX_VT_RELDISP:
2026 args->cmd = VT_RELDISP;
2027 error = (ioctl(td, (struct ioctl_args *)args));
2028 break;
2029
2030 case LINUX_VT_ACTIVATE:
2031 args->cmd = VT_ACTIVATE;
2032 error = (ioctl(td, (struct ioctl_args *)args));
2033 break;
2034
2035 case LINUX_VT_WAITACTIVE:
2036 args->cmd = VT_WAITACTIVE;
2037 error = (ioctl(td, (struct ioctl_args *)args));
2038 break;
2039
2040 default:
2041 error = ENOIOCTL;
2042 break;
2043 }
2044
2045 fdrop(fp, td);
2046 return (error);
2047}
2048
2049/*
2050 * Criteria for interface name translation
2051 */
2052#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
2053
2054/*
2055 * Interface function used by linprocfs (at the time of writing). It's not
2056 * used by the Linuxulator itself.
2057 */
2058int
2059linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
2060{
2061 struct ifnet *ifscan;
2062 int ethno;
2063
2064 IFNET_RLOCK_ASSERT();
2065
2066 /* Short-circuit non ethernet interfaces */
2067 if (!IFP_IS_ETH(ifp))
2068 return (strlcpy(buffer, ifp->if_xname, buflen));
2069
2070 /* Determine the (relative) unit number for ethernet interfaces */
2071 ethno = 0;
2072 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) {
2073 if (ifscan == ifp)
2074 return (snprintf(buffer, buflen, "eth%d", ethno));
2075 if (IFP_IS_ETH(ifscan))
2076 ethno++;
2077 }
2078
2079 return (0);
2080}
2081
2082/*
2083 * Translate a Linux interface name to a FreeBSD interface name,
2084 * and return the associated ifnet structure
2085 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
2086 * can point to the same buffer.
2087 */
2088
2089static struct ifnet *
2090ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname)
2091{
2092 struct ifnet *ifp;
2093 int len, unit;
2094 char *ep;
2095 int is_eth, index;
2096
2097 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
2098 if (!isalpha(lxname[len]))
2099 break;
2100 if (len == 0 || len == LINUX_IFNAMSIZ)
2101 return (NULL);
2102 unit = (int)strtoul(lxname + len, &ep, 10);
2103 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
2104 return (NULL);
2105 index = 0;
2106 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
2107 CURVNET_SET(TD_TO_VNET(td));
2108 IFNET_RLOCK();
2109 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2110 /*
2111 * Allow Linux programs to use FreeBSD names. Don't presume
2112 * we never have an interface named "eth", so don't make
2113 * the test optional based on is_eth.
2114 */
2115 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
2116 break;
2117 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
2118 break;
2119 }
2120 IFNET_RUNLOCK();
2121 CURVNET_RESTORE();
2122 if (ifp != NULL)
2123 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
2124 return (ifp);
2125}
2126
2127/*
2128 * Implement the SIOCGIFCONF ioctl
2129 */
2130
2131static int
2132linux_ifconf(struct thread *td, struct ifconf *uifc)
2133{
2134#ifdef COMPAT_LINUX32
2135 struct l_ifconf ifc;
2136#else
2137 struct ifconf ifc;
2138#endif
2139 struct l_ifreq ifr;
2140 struct ifnet *ifp;
2141 struct ifaddr *ifa;
2142 struct sbuf *sb;
2143 int error, ethno, full = 0, valid_len, max_len;
2144
2145 error = copyin(uifc, &ifc, sizeof(ifc));
2146 if (error != 0)
2147 return (error);
2148
2149 max_len = MAXPHYS - 1;
2150
2151 CURVNET_SET(TD_TO_VNET(td));
2152 /* handle the 'request buffer size' case */
2153 if (ifc.ifc_buf == PTROUT(NULL)) {
2154 ifc.ifc_len = 0;
2155 IFNET_RLOCK();
2156 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2157 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2158 struct sockaddr *sa = ifa->ifa_addr;
2159 if (sa->sa_family == AF_INET)
2160 ifc.ifc_len += sizeof(ifr);
2161 }
2162 }
2163 IFNET_RUNLOCK();
2164 error = copyout(&ifc, uifc, sizeof(ifc));
2165 CURVNET_RESTORE();
2166 return (error);
2167 }
2168
2169 if (ifc.ifc_len <= 0) {
2170 CURVNET_RESTORE();
2171 return (EINVAL);
2172 }
2173
2174again:
2175 /* Keep track of eth interfaces */
2176 ethno = 0;
2177 if (ifc.ifc_len <= max_len) {
2178 max_len = ifc.ifc_len;
2179 full = 1;
2180 }
2181 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2182 max_len = 0;
2183 valid_len = 0;
2184
2185 /* Return all AF_INET addresses of all interfaces */
2186 IFNET_RLOCK();
2187 TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
2188 int addrs = 0;
2189
2190 bzero(&ifr, sizeof(ifr));
2191 if (IFP_IS_ETH(ifp))
2192 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2193 ethno++);
2194 else
2195 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2196
2197 /* Walk the address list */
2198 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2199 struct sockaddr *sa = ifa->ifa_addr;
2200
2201 if (sa->sa_family == AF_INET) {
2202 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2203 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2204 sizeof(ifr.ifr_addr.sa_data));
2205 sbuf_bcat(sb, &ifr, sizeof(ifr));
2206 max_len += sizeof(ifr);
2207 addrs++;
2208 }
2209
2210 if (!sbuf_overflowed(sb))
2211 valid_len = sbuf_len(sb);
2212 }
2213 if (addrs == 0) {
2214 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2215 sbuf_bcat(sb, &ifr, sizeof(ifr));
2216 max_len += sizeof(ifr);
2217
2218 if (!sbuf_overflowed(sb))
2219 valid_len = sbuf_len(sb);
2220 }
2221 }
2222 IFNET_RUNLOCK();
2223
2224 if (valid_len != max_len && !full) {
2225 sbuf_delete(sb);
2226 goto again;
2227 }
2228
2229 ifc.ifc_len = valid_len;
2230 sbuf_finish(sb);
2231 memcpy(PTRIN(ifc.ifc_buf), sbuf_data(sb), ifc.ifc_len);
2232 error = copyout(&ifc, uifc, sizeof(ifc));
2233 sbuf_delete(sb);
2234 CURVNET_RESTORE();
2235
2236 return (error);
2237}
2238
2239static int
2240linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2241{
2242 l_short flags;
2243
2244 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff;
2245 /* these flags have no Linux equivalent */
2246 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX|
2247 IFF_LINK0|IFF_LINK1|IFF_LINK2);
2248 /* Linux' multicast flag is in a different bit */
2249 if (flags & IFF_MULTICAST) {
2250 flags &= ~IFF_MULTICAST;
2251 flags |= 0x1000;
2252 }
2253
2254 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2255}
2256
2257#define ARPHRD_ETHER 1
2258#define ARPHRD_LOOPBACK 772
2259
2260static int
2261linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2262{
2263 struct ifaddr *ifa;
2264 struct sockaddr_dl *sdl;
2265 struct l_sockaddr lsa;
2266
2267 if (ifp->if_type == IFT_LOOP) {
2268 bzero(&lsa, sizeof(lsa));
2269 lsa.sa_family = ARPHRD_LOOPBACK;
2270 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2271 }
2272
2273 if (ifp->if_type != IFT_ETHER)
2274 return (ENOENT);
2275
2276 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2277 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
2278 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
2279 (sdl->sdl_type == IFT_ETHER)) {
2280 bzero(&lsa, sizeof(lsa));
2281 lsa.sa_family = ARPHRD_ETHER;
2282 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
2283 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2284 }
2285 }
2286
2287 return (ENOENT);
2288}
2289
2290
2291 /*
2292* If we fault in bsd_to_linux_ifreq() then we will fault when we call
2293* the native ioctl(). Thus, we don't really need to check the return
2294* value of this function.
2295*/
2296static int
2297bsd_to_linux_ifreq(struct ifreq *arg)
2298{
2299 struct ifreq ifr;
2300 size_t ifr_len = sizeof(struct ifreq);
2301 int error;
2302
2303 if ((error = copyin(arg, &ifr, ifr_len)))
2304 return (error);
2305
2306 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2307
2308 error = copyout(&ifr, arg, ifr_len);
2309
2310 return (error);
2311}
2312
2313/*
2314 * Socket related ioctls
2315 */
2316
2317static int
2318linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2319{
2320 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2321 struct ifnet *ifp;
2322 struct file *fp;
2323 int error, type;
2324
2325 ifp = NULL;
2326 error = 0;
2327
2328 if ((error = fget(td, args->fd, &fp)) != 0)
2329 return (error);
2330 type = fp->f_type;
2331 fdrop(fp, td);
2332 if (type != DTYPE_SOCKET) {
2333 /* not a socket - probably a tap / vmnet device */
2334 switch (args->cmd) {
2335 case LINUX_SIOCGIFADDR:
2336 case LINUX_SIOCSIFADDR:
2337 case LINUX_SIOCGIFFLAGS:
2338 return (linux_ioctl_special(td, args));
2339 default:
2340 return (ENOIOCTL);
2341 }
2342 }
2343
2344 switch (args->cmd & 0xffff) {
2345
2346 case LINUX_FIOGETOWN:
2347 case LINUX_FIOSETOWN:
2348 case LINUX_SIOCADDMULTI:
2349 case LINUX_SIOCATMARK:
2350 case LINUX_SIOCDELMULTI:
2351 case LINUX_SIOCGIFCONF:
2352 case LINUX_SIOCGPGRP:
2353 case LINUX_SIOCSPGRP:
2354 case LINUX_SIOCGIFCOUNT:
2355 /* these ioctls don't take an interface name */
2356#ifdef DEBUG
2357 printf("%s(): ioctl %d\n", __func__,
2358 args->cmd & 0xffff);
2359#endif
2360 break;
2361
2362 case LINUX_SIOCGIFFLAGS:
2363 case LINUX_SIOCGIFADDR:
2364 case LINUX_SIOCSIFADDR:
2365 case LINUX_SIOCGIFDSTADDR:
2366 case LINUX_SIOCGIFBRDADDR:
2367 case LINUX_SIOCGIFNETMASK:
2368 case LINUX_SIOCSIFNETMASK:
2369 case LINUX_SIOCGIFMTU:
2370 case LINUX_SIOCSIFMTU:
2371 case LINUX_SIOCSIFNAME:
2372 case LINUX_SIOCGIFHWADDR:
2373 case LINUX_SIOCSIFHWADDR:
2374 case LINUX_SIOCDEVPRIVATE:
2375 case LINUX_SIOCDEVPRIVATE+1:
2376 case LINUX_SIOCGIFINDEX:
2377 /* copy in the interface name and translate it. */
2378 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2379 if (error != 0)
2380 return (error);
2381#ifdef DEBUG
2382 printf("%s(): ioctl %d on %.*s\n", __func__,
2383 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
2384#endif
2385 ifp = ifname_linux_to_bsd(td, lifname, ifname);
2386 if (ifp == NULL)
2387 return (EINVAL);
2388 /*
2389 * We need to copy it back out in case we pass the
2390 * request on to our native ioctl(), which will expect
2391 * the ifreq to be in user space and have the correct
2392 * interface name.
2393 */
2394 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2395 if (error != 0)
2396 return (error);
2397#ifdef DEBUG
2398 printf("%s(): %s translated to %s\n", __func__,
2399 lifname, ifname);
2400#endif
2401 break;
2402
2403 default:
2404 return (ENOIOCTL);
2405 }
2406
2407 switch (args->cmd & 0xffff) {
2408
2409 case LINUX_FIOSETOWN:
2410 args->cmd = FIOSETOWN;
2411 error = ioctl(td, (struct ioctl_args *)args);
2412 break;
2413
2414 case LINUX_SIOCSPGRP:
2415 args->cmd = SIOCSPGRP;
2416 error = ioctl(td, (struct ioctl_args *)args);
2417 break;
2418
2419 case LINUX_FIOGETOWN:
2420 args->cmd = FIOGETOWN;
2421 error = ioctl(td, (struct ioctl_args *)args);
2422 break;
2423
2424 case LINUX_SIOCGPGRP:
2425 args->cmd = SIOCGPGRP;
2426 error = ioctl(td, (struct ioctl_args *)args);
2427 break;
2428
2429 case LINUX_SIOCATMARK:
2430 args->cmd = SIOCATMARK;
2431 error = ioctl(td, (struct ioctl_args *)args);
2432 break;
2433
2434 /* LINUX_SIOCGSTAMP */
2435
2436 case LINUX_SIOCGIFCONF:
2437 error = linux_ifconf(td, (struct ifconf *)args->arg);
2438 break;
2439
2440 case LINUX_SIOCGIFFLAGS:
2441 args->cmd = SIOCGIFFLAGS;
2442 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2443 break;
2444
2445 case LINUX_SIOCGIFADDR:
2446 args->cmd = SIOCGIFADDR;
2447 error = ioctl(td, (struct ioctl_args *)args);
2448 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2449 break;
2450
2451 case LINUX_SIOCSIFADDR:
2452 /* XXX probably doesn't work, included for completeness */
2453 args->cmd = SIOCSIFADDR;
2454 error = ioctl(td, (struct ioctl_args *)args);
2455 break;
2456
2457 case LINUX_SIOCGIFDSTADDR:
2458 args->cmd = SIOCGIFDSTADDR;
2459 error = ioctl(td, (struct ioctl_args *)args);
2460 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2461 break;
2462
2463 case LINUX_SIOCGIFBRDADDR:
2464 args->cmd = SIOCGIFBRDADDR;
2465 error = ioctl(td, (struct ioctl_args *)args);
2466 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2467 break;
2468
2469 case LINUX_SIOCGIFNETMASK:
2470 args->cmd = SIOCGIFNETMASK;
2471 error = ioctl(td, (struct ioctl_args *)args);
2472 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2473 break;
2474
2475 case LINUX_SIOCSIFNETMASK:
2476 error = ENOIOCTL;
2477 break;
2478
2479 case LINUX_SIOCGIFMTU:
2480 args->cmd = SIOCGIFMTU;
2481 error = ioctl(td, (struct ioctl_args *)args);
2482 break;
2483
2484 case LINUX_SIOCSIFMTU:
2485 args->cmd = SIOCSIFMTU;
2486 error = ioctl(td, (struct ioctl_args *)args);
2487 break;
2488
2489 case LINUX_SIOCSIFNAME:
2490 error = ENOIOCTL;
2491 break;
2492
2493 case LINUX_SIOCGIFHWADDR:
2494 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2495 break;
2496
2497 case LINUX_SIOCSIFHWADDR:
2498 error = ENOIOCTL;
2499 break;
2500
2501 case LINUX_SIOCADDMULTI:
2502 args->cmd = SIOCADDMULTI;
2503 error = ioctl(td, (struct ioctl_args *)args);
2504 break;
2505
2506 case LINUX_SIOCDELMULTI:
2507 args->cmd = SIOCDELMULTI;
2508 error = ioctl(td, (struct ioctl_args *)args);
2509 break;
2510
2511 case LINUX_SIOCGIFINDEX:
2512 args->cmd = SIOCGIFINDEX;
2513 error = ioctl(td, (struct ioctl_args *)args);
2514 break;
2515
2516 case LINUX_SIOCGIFCOUNT:
2517 error = 0;
2518 break;
2519
2520 /*
2521 * XXX This is slightly bogus, but these ioctls are currently
2522 * XXX only used by the aironet (if_an) network driver.
2523 */
2524 case LINUX_SIOCDEVPRIVATE:
2525 args->cmd = SIOCGPRIVATE_0;
2526 error = ioctl(td, (struct ioctl_args *)args);
2527 break;
2528
2529 case LINUX_SIOCDEVPRIVATE+1:
2530 args->cmd = SIOCGPRIVATE_1;
2531 error = ioctl(td, (struct ioctl_args *)args);
2532 break;
2533 }
2534
2535 if (ifp != NULL)
2536 /* restore the original interface name */
2537 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2538
2539#ifdef DEBUG
2540 printf("%s(): returning %d\n", __func__, error);
2541#endif
2542 return (error);
2543}
2544
2545/*
2546 * Device private ioctl handler
2547 */
2548static int
2549linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2550{
2551 struct file *fp;
2552 int error, type;
2553
2554 if ((error = fget(td, args->fd, &fp)) != 0)
2555 return (error);
2556 type = fp->f_type;
2557 fdrop(fp, td);
2558 if (type == DTYPE_SOCKET)
2559 return (linux_ioctl_socket(td, args));
2560 return (ENOIOCTL);
2561}
2562
2563/*
2564 * DRM ioctl handler (sys/dev/drm)
2565 */
2566static int
2567linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2568{
2569 args->cmd = SETDIR(args->cmd);
2570 return ioctl(td, (struct ioctl_args *)args);
2571}
2572
2573static int
2574linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2575{
2576 struct file *fp;
2577 u_long cmd;
2578 int error;
2579
2580 if ((error = fget(td, args->fd, &fp)) != 0) {
2581 printf("sg_linux_ioctl: fget returned %d\n", error);
2582 return (error);
2583 }
2584 cmd = args->cmd;
2585
2586 error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td));
2587 fdrop(fp, td);
2588 return (error);
2589}
2590
2591/*
2592 * Special ioctl handler
2593 */
2594static int
2595linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
2596{
2597 int error;
2598
2599 switch (args->cmd) {
2600 case LINUX_SIOCGIFADDR:
2601 args->cmd = SIOCGIFADDR;
2602 error = ioctl(td, (struct ioctl_args *)args);
2603 break;
2604 case LINUX_SIOCSIFADDR:
2605 args->cmd = SIOCSIFADDR;
2606 error = ioctl(td, (struct ioctl_args *)args);
2607 break;
2608 case LINUX_SIOCGIFFLAGS:
2609 args->cmd = SIOCGIFFLAGS;
2610 error = ioctl(td, (struct ioctl_args *)args);
2611 break;
2612 default:
2613 error = ENOIOCTL;
2614 }
2615
2616 return (error);
2617}
2618
2619/*
2620 * main ioctl syscall function
2621 */
2622
2623int
2624linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
2625{
2626 struct file *fp;
2627 struct handler_element *he;
2628 int error, cmd;
2629
2630#ifdef DEBUG
2631 if (ldebug(ioctl))
2632 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
2633 (unsigned long)args->cmd);
2634#endif
2635
2636 if ((error = fget(td, args->fd, &fp)) != 0)
2637 return (error);
2638 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
2639 fdrop(fp, td);
2640 return (EBADF);
2641 }
2642
2643 /* Iterate over the ioctl handlers */
2644 cmd = args->cmd & 0xffff;
2645 sx_slock(&linux_ioctl_sx);
2646 mtx_lock(&Giant);
2647 TAILQ_FOREACH(he, &handlers, list) {
2648 if (cmd >= he->low && cmd <= he->high) {
2649 error = (*he->func)(td, args);
2650 if (error != ENOIOCTL) {
2651 mtx_unlock(&Giant);
2652 sx_sunlock(&linux_ioctl_sx);
2653 fdrop(fp, td);
2654 return (error);
2655 }
2656 }
2657 }
2658 mtx_unlock(&Giant);
2659 sx_sunlock(&linux_ioctl_sx);
2660 fdrop(fp, td);
2661
2662 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
2663 args->fd, (int)(args->cmd & 0xffff),
2664 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
2665
2666 return (EINVAL);
2667}
2668
2669int
2670linux_ioctl_register_handler(struct linux_ioctl_handler *h)
2671{
2672 struct handler_element *he, *cur;
2673
2674 if (h == NULL || h->func == NULL)
2675 return (EINVAL);
2676
2677 /*
2678 * Reuse the element if the handler is already on the list, otherwise
2679 * create a new element.
2680 */
2681 sx_xlock(&linux_ioctl_sx);
2682 TAILQ_FOREACH(he, &handlers, list) {
2683 if (he->func == h->func)
2684 break;
2685 }
2686 if (he == NULL) {
2687 he = malloc(sizeof(*he),
2688 M_LINUX, M_WAITOK);
2689 he->func = h->func;
2690 } else
2691 TAILQ_REMOVE(&handlers, he, list);
2692
2693 /* Initialize range information. */
2694 he->low = h->low;
2695 he->high = h->high;
2696 he->span = h->high - h->low + 1;
2697
2698 /* Add the element to the list, sorted on span. */
2699 TAILQ_FOREACH(cur, &handlers, list) {
2700 if (cur->span > he->span) {
2701 TAILQ_INSERT_BEFORE(cur, he, list);
2702 sx_xunlock(&linux_ioctl_sx);
2703 return (0);
2704 }
2705 }
2706 TAILQ_INSERT_TAIL(&handlers, he, list);
2707 sx_xunlock(&linux_ioctl_sx);
2708
2709 return (0);
2710}
2711
2712int
2713linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
2714{
2715 struct handler_element *he;
2716
2717 if (h == NULL || h->func == NULL)
2718 return (EINVAL);
2719
2720 sx_xlock(&linux_ioctl_sx);
2721 TAILQ_FOREACH(he, &handlers, list) {
2722 if (he->func == h->func) {
2723 TAILQ_REMOVE(&handlers, he, list);
2724 sx_xunlock(&linux_ioctl_sx);
2725 free(he, M_LINUX);
2726 return (0);
2727 }
2728 }
2729 sx_xunlock(&linux_ioctl_sx);
2730
2731 return (EINVAL);
2732}