1 /*-
2 * Copyright (c) 1994-1995 Søren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/7.4/sys/compat/linux/linux_ioctl.c 243417 2012-11-22 22:52:15Z simon $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/sysproto.h>
35 #include <sys/cdio.h>
36 #include <sys/dvdio.h>
37 #include <sys/conf.h>
38 #include <sys/disk.h>
39 #include <sys/consio.h>
40 #include <sys/ctype.h>
41 #include <sys/fcntl.h>
42 #include <sys/file.h>
43 #include <sys/filedesc.h>
44 #include <sys/filio.h>
45 #include <sys/kbio.h>
46 #include <sys/kernel.h>
47 #include <sys/linker_set.h>
48 #include <sys/lock.h>
49 #include <sys/malloc.h>
50 #include <sys/proc.h>
51 #include <sys/sbuf.h>
52 #include <sys/socket.h>
53 #include <sys/sockio.h>
54 #include <sys/soundcard.h>
55 #include <sys/stdint.h>
56 #include <sys/sx.h>
57 #include <sys/tty.h>
58 #include <sys/uio.h>
59 #include <net/if.h>
60 #include <net/if_dl.h>
61 #include <net/if_types.h>
62
63 #include "opt_compat.h"
64
65 #ifdef COMPAT_LINUX32
66 #include <machine/../linux32/linux.h>
67 #include <machine/../linux32/linux32_proto.h>
68 #else
69 #include <machine/../linux/linux.h>
70 #include <machine/../linux/linux_proto.h>
71 #endif
72
73 #include <compat/linux/linux_ioctl.h>
74 #include <compat/linux/linux_mib.h>
75 #include <compat/linux/linux_socket.h>
76 #include <compat/linux/linux_util.h>
77
78 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
79
80 static linux_ioctl_function_t linux_ioctl_cdrom;
81 static linux_ioctl_function_t linux_ioctl_vfat;
82 static linux_ioctl_function_t linux_ioctl_console;
83 static linux_ioctl_function_t linux_ioctl_hdio;
84 static linux_ioctl_function_t linux_ioctl_disk;
85 static linux_ioctl_function_t linux_ioctl_socket;
86 static linux_ioctl_function_t linux_ioctl_sound;
87 static linux_ioctl_function_t linux_ioctl_termio;
88 static linux_ioctl_function_t linux_ioctl_private;
89 static linux_ioctl_function_t linux_ioctl_drm;
90 static linux_ioctl_function_t linux_ioctl_sg;
91 static linux_ioctl_function_t linux_ioctl_special;
92
93 static struct linux_ioctl_handler cdrom_handler =
94 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
95 static struct linux_ioctl_handler vfat_handler =
96 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX };
97 static struct linux_ioctl_handler console_handler =
98 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX };
99 static struct linux_ioctl_handler hdio_handler =
100 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX };
101 static struct linux_ioctl_handler disk_handler =
102 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX };
103 static struct linux_ioctl_handler socket_handler =
104 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX };
105 static struct linux_ioctl_handler sound_handler =
106 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX };
107 static struct linux_ioctl_handler termio_handler =
108 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
109 static struct linux_ioctl_handler private_handler =
110 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
111 static struct linux_ioctl_handler drm_handler =
112 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX };
113 static struct linux_ioctl_handler sg_handler =
114 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
115
116 DATA_SET(linux_ioctl_handler_set, cdrom_handler);
117 DATA_SET(linux_ioctl_handler_set, vfat_handler);
118 DATA_SET(linux_ioctl_handler_set, console_handler);
119 DATA_SET(linux_ioctl_handler_set, hdio_handler);
120 DATA_SET(linux_ioctl_handler_set, disk_handler);
121 DATA_SET(linux_ioctl_handler_set, socket_handler);
122 DATA_SET(linux_ioctl_handler_set, sound_handler);
123 DATA_SET(linux_ioctl_handler_set, termio_handler);
124 DATA_SET(linux_ioctl_handler_set, private_handler);
125 DATA_SET(linux_ioctl_handler_set, drm_handler);
126 DATA_SET(linux_ioctl_handler_set, sg_handler);
127
128 struct handler_element
129 {
130 TAILQ_ENTRY(handler_element) list;
131 int (*func)(struct thread *, struct linux_ioctl_args *);
132 int low, high, span;
133 };
134
135 static TAILQ_HEAD(, handler_element) handlers =
136 TAILQ_HEAD_INITIALIZER(handlers);
137 static struct sx linux_ioctl_sx;
138 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers");
139
140 /*
141 * hdio related ioctls for VMWare support
142 */
143
144 struct linux_hd_geometry {
145 u_int8_t heads;
146 u_int8_t sectors;
147 u_int16_t cylinders;
148 u_int32_t start;
149 };
150
151 struct linux_hd_big_geometry {
152 u_int8_t heads;
153 u_int8_t sectors;
154 u_int32_t cylinders;
155 u_int32_t start;
156 };
157
158 static int
159 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args)
160 {
161 struct file *fp;
162 int error;
163 u_int sectorsize, fwcylinders, fwheads, fwsectors;
164 off_t mediasize, bytespercyl;
165
166 if ((error = fget(td, args->fd, &fp)) != 0)
167 return (error);
168 switch (args->cmd & 0xffff) {
169 case LINUX_HDIO_GET_GEO:
170 case LINUX_HDIO_GET_GEO_BIG:
171 error = fo_ioctl(fp, DIOCGMEDIASIZE,
172 (caddr_t)&mediasize, td->td_ucred, td);
173 if (!error)
174 error = fo_ioctl(fp, DIOCGSECTORSIZE,
175 (caddr_t)§orsize, td->td_ucred, td);
176 if (!error)
177 error = fo_ioctl(fp, DIOCGFWHEADS,
178 (caddr_t)&fwheads, td->td_ucred, td);
179 if (!error)
180 error = fo_ioctl(fp, DIOCGFWSECTORS,
181 (caddr_t)&fwsectors, td->td_ucred, td);
182 /*
183 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so
184 * so pretend that GEOM always says 0. This is NOT VALID
185 * for slices or partitions, only the per-disk raw devices.
186 */
187
188 fdrop(fp, td);
189 if (error)
190 return (error);
191 /*
192 * 1. Calculate the number of bytes in a cylinder,
193 * given the firmware's notion of heads and sectors
194 * per cylinder.
195 * 2. Calculate the number of cylinders, given the total
196 * size of the media.
197 * All internal calculations should have 64-bit precision.
198 */
199 bytespercyl = (off_t) sectorsize * fwheads * fwsectors;
200 fwcylinders = mediasize / bytespercyl;
201 #if defined(DEBUG)
202 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, "
203 "bpc %jd",
204 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors,
205 (intmax_t)bytespercyl);
206 #endif
207 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) {
208 struct linux_hd_geometry hdg;
209
210 hdg.cylinders = fwcylinders;
211 hdg.heads = fwheads;
212 hdg.sectors = fwsectors;
213 hdg.start = 0;
214 error = copyout(&hdg, (void *)args->arg, sizeof(hdg));
215 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) {
216 struct linux_hd_big_geometry hdbg;
217
218 hdbg.cylinders = fwcylinders;
219 hdbg.heads = fwheads;
220 hdbg.sectors = fwsectors;
221 hdbg.start = 0;
222 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg));
223 }
224 return (error);
225 break;
226 default:
227 /* XXX */
228 linux_msg(td,
229 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
230 args->fd, (int)(args->cmd & 0xffff),
231 (int)(args->cmd & 0xff00) >> 8,
232 (int)(args->cmd & 0xff));
233 break;
234 }
235 fdrop(fp, td);
236 return (ENOIOCTL);
237 }
238
239 static int
240 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
241 {
242 struct file *fp;
243 int error;
244 u_int sectorsize;
245 off_t mediasize;
246
247 if ((error = fget(td, args->fd, &fp)) != 0)
248 return (error);
249 switch (args->cmd & 0xffff) {
250 case LINUX_BLKGETSIZE:
251 error = fo_ioctl(fp, DIOCGSECTORSIZE,
252 (caddr_t)§orsize, td->td_ucred, td);
253 if (!error)
254 error = fo_ioctl(fp, DIOCGMEDIASIZE,
255 (caddr_t)&mediasize, td->td_ucred, td);
256 fdrop(fp, td);
257 if (error)
258 return (error);
259 sectorsize = mediasize / sectorsize;
260 /*
261 * XXX: How do we know we return the right size of integer ?
262 */
263 return (copyout(§orsize, (void *)args->arg,
264 sizeof(sectorsize)));
265 break;
266 }
267 fdrop(fp, td);
268 return (ENOIOCTL);
269 }
270
271 /*
272 * termio related ioctls
273 */
274
275 struct linux_termio {
276 unsigned short c_iflag;
277 unsigned short c_oflag;
278 unsigned short c_cflag;
279 unsigned short c_lflag;
280 unsigned char c_line;
281 unsigned char c_cc[LINUX_NCC];
282 };
283
284 struct linux_termios {
285 unsigned int c_iflag;
286 unsigned int c_oflag;
287 unsigned int c_cflag;
288 unsigned int c_lflag;
289 unsigned char c_line;
290 unsigned char c_cc[LINUX_NCCS];
291 };
292
293 struct linux_winsize {
294 unsigned short ws_row, ws_col;
295 unsigned short ws_xpixel, ws_ypixel;
296 };
297
298 static struct speedtab sptab[] = {
299 { B0, LINUX_B0 }, { B50, LINUX_B50 },
300 { B75, LINUX_B75 }, { B110, LINUX_B110 },
301 { B134, LINUX_B134 }, { B150, LINUX_B150 },
302 { B200, LINUX_B200 }, { B300, LINUX_B300 },
303 { B600, LINUX_B600 }, { B1200, LINUX_B1200 },
304 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 },
305 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 },
306 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 },
307 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 },
308 {-1, -1 }
309 };
310
311 struct linux_serial_struct {
312 int type;
313 int line;
314 int port;
315 int irq;
316 int flags;
317 int xmit_fifo_size;
318 int custom_divisor;
319 int baud_base;
320 unsigned short close_delay;
321 char reserved_char[2];
322 int hub6;
323 unsigned short closing_wait;
324 unsigned short closing_wait2;
325 int reserved[4];
326 };
327
328 static int
329 linux_to_bsd_speed(int code, struct speedtab *table)
330 {
331 for ( ; table->sp_code != -1; table++)
332 if (table->sp_code == code)
333 return (table->sp_speed);
334 return -1;
335 }
336
337 static int
338 bsd_to_linux_speed(int speed, struct speedtab *table)
339 {
340 for ( ; table->sp_speed != -1; table++)
341 if (table->sp_speed == speed)
342 return (table->sp_code);
343 return -1;
344 }
345
346 static void
347 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios)
348 {
349 int i;
350
351 #ifdef DEBUG
352 if (ldebug(ioctl)) {
353 printf("LINUX: BSD termios structure (input):\n");
354 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
355 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
356 bios->c_ispeed, bios->c_ospeed);
357 printf("c_cc ");
358 for (i=0; i<NCCS; i++)
359 printf("%02x ", bios->c_cc[i]);
360 printf("\n");
361 }
362 #endif
363
364 lios->c_iflag = 0;
365 if (bios->c_iflag & IGNBRK)
366 lios->c_iflag |= LINUX_IGNBRK;
367 if (bios->c_iflag & BRKINT)
368 lios->c_iflag |= LINUX_BRKINT;
369 if (bios->c_iflag & IGNPAR)
370 lios->c_iflag |= LINUX_IGNPAR;
371 if (bios->c_iflag & PARMRK)
372 lios->c_iflag |= LINUX_PARMRK;
373 if (bios->c_iflag & INPCK)
374 lios->c_iflag |= LINUX_INPCK;
375 if (bios->c_iflag & ISTRIP)
376 lios->c_iflag |= LINUX_ISTRIP;
377 if (bios->c_iflag & INLCR)
378 lios->c_iflag |= LINUX_INLCR;
379 if (bios->c_iflag & IGNCR)
380 lios->c_iflag |= LINUX_IGNCR;
381 if (bios->c_iflag & ICRNL)
382 lios->c_iflag |= LINUX_ICRNL;
383 if (bios->c_iflag & IXON)
384 lios->c_iflag |= LINUX_IXON;
385 if (bios->c_iflag & IXANY)
386 lios->c_iflag |= LINUX_IXANY;
387 if (bios->c_iflag & IXOFF)
388 lios->c_iflag |= LINUX_IXOFF;
389 if (bios->c_iflag & IMAXBEL)
390 lios->c_iflag |= LINUX_IMAXBEL;
391
392 lios->c_oflag = 0;
393 if (bios->c_oflag & OPOST)
394 lios->c_oflag |= LINUX_OPOST;
395 if (bios->c_oflag & ONLCR)
396 lios->c_oflag |= LINUX_ONLCR;
397 if (bios->c_oflag & OXTABS)
398 lios->c_oflag |= LINUX_XTABS;
399
400 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab);
401 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4;
402 if (bios->c_cflag & CSTOPB)
403 lios->c_cflag |= LINUX_CSTOPB;
404 if (bios->c_cflag & CREAD)
405 lios->c_cflag |= LINUX_CREAD;
406 if (bios->c_cflag & PARENB)
407 lios->c_cflag |= LINUX_PARENB;
408 if (bios->c_cflag & PARODD)
409 lios->c_cflag |= LINUX_PARODD;
410 if (bios->c_cflag & HUPCL)
411 lios->c_cflag |= LINUX_HUPCL;
412 if (bios->c_cflag & CLOCAL)
413 lios->c_cflag |= LINUX_CLOCAL;
414 if (bios->c_cflag & CRTSCTS)
415 lios->c_cflag |= LINUX_CRTSCTS;
416
417 lios->c_lflag = 0;
418 if (bios->c_lflag & ISIG)
419 lios->c_lflag |= LINUX_ISIG;
420 if (bios->c_lflag & ICANON)
421 lios->c_lflag |= LINUX_ICANON;
422 if (bios->c_lflag & ECHO)
423 lios->c_lflag |= LINUX_ECHO;
424 if (bios->c_lflag & ECHOE)
425 lios->c_lflag |= LINUX_ECHOE;
426 if (bios->c_lflag & ECHOK)
427 lios->c_lflag |= LINUX_ECHOK;
428 if (bios->c_lflag & ECHONL)
429 lios->c_lflag |= LINUX_ECHONL;
430 if (bios->c_lflag & NOFLSH)
431 lios->c_lflag |= LINUX_NOFLSH;
432 if (bios->c_lflag & TOSTOP)
433 lios->c_lflag |= LINUX_TOSTOP;
434 if (bios->c_lflag & ECHOCTL)
435 lios->c_lflag |= LINUX_ECHOCTL;
436 if (bios->c_lflag & ECHOPRT)
437 lios->c_lflag |= LINUX_ECHOPRT;
438 if (bios->c_lflag & ECHOKE)
439 lios->c_lflag |= LINUX_ECHOKE;
440 if (bios->c_lflag & FLUSHO)
441 lios->c_lflag |= LINUX_FLUSHO;
442 if (bios->c_lflag & PENDIN)
443 lios->c_lflag |= LINUX_PENDIN;
444 if (bios->c_lflag & IEXTEN)
445 lios->c_lflag |= LINUX_IEXTEN;
446
447 for (i=0; i<LINUX_NCCS; i++)
448 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
449 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR];
450 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT];
451 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE];
452 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL];
453 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF];
454 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL];
455 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN];
456 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME];
457 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2];
458 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP];
459 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART];
460 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP];
461 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT];
462 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD];
463 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE];
464 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT];
465
466 for (i=0; i<LINUX_NCCS; i++) {
467 if (i != LINUX_VMIN && i != LINUX_VTIME &&
468 lios->c_cc[i] == _POSIX_VDISABLE)
469 lios->c_cc[i] = LINUX_POSIX_VDISABLE;
470 }
471 lios->c_line = 0;
472
473 #ifdef DEBUG
474 if (ldebug(ioctl)) {
475 printf("LINUX: LINUX termios structure (output):\n");
476 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
477 lios->c_iflag, lios->c_oflag, lios->c_cflag,
478 lios->c_lflag, (int)lios->c_line);
479 printf("c_cc ");
480 for (i=0; i<LINUX_NCCS; i++)
481 printf("%02x ", lios->c_cc[i]);
482 printf("\n");
483 }
484 #endif
485 }
486
487 static void
488 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios)
489 {
490 int i;
491
492 #ifdef DEBUG
493 if (ldebug(ioctl)) {
494 printf("LINUX: LINUX termios structure (input):\n");
495 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
496 lios->c_iflag, lios->c_oflag, lios->c_cflag,
497 lios->c_lflag, (int)lios->c_line);
498 printf("c_cc ");
499 for (i=0; i<LINUX_NCCS; i++)
500 printf("%02x ", lios->c_cc[i]);
501 printf("\n");
502 }
503 #endif
504
505 bios->c_iflag = 0;
506 if (lios->c_iflag & LINUX_IGNBRK)
507 bios->c_iflag |= IGNBRK;
508 if (lios->c_iflag & LINUX_BRKINT)
509 bios->c_iflag |= BRKINT;
510 if (lios->c_iflag & LINUX_IGNPAR)
511 bios->c_iflag |= IGNPAR;
512 if (lios->c_iflag & LINUX_PARMRK)
513 bios->c_iflag |= PARMRK;
514 if (lios->c_iflag & LINUX_INPCK)
515 bios->c_iflag |= INPCK;
516 if (lios->c_iflag & LINUX_ISTRIP)
517 bios->c_iflag |= ISTRIP;
518 if (lios->c_iflag & LINUX_INLCR)
519 bios->c_iflag |= INLCR;
520 if (lios->c_iflag & LINUX_IGNCR)
521 bios->c_iflag |= IGNCR;
522 if (lios->c_iflag & LINUX_ICRNL)
523 bios->c_iflag |= ICRNL;
524 if (lios->c_iflag & LINUX_IXON)
525 bios->c_iflag |= IXON;
526 if (lios->c_iflag & LINUX_IXANY)
527 bios->c_iflag |= IXANY;
528 if (lios->c_iflag & LINUX_IXOFF)
529 bios->c_iflag |= IXOFF;
530 if (lios->c_iflag & LINUX_IMAXBEL)
531 bios->c_iflag |= IMAXBEL;
532
533 bios->c_oflag = 0;
534 if (lios->c_oflag & LINUX_OPOST)
535 bios->c_oflag |= OPOST;
536 if (lios->c_oflag & LINUX_ONLCR)
537 bios->c_oflag |= ONLCR;
538 if (lios->c_oflag & LINUX_XTABS)
539 bios->c_oflag |= OXTABS;
540
541 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4;
542 if (lios->c_cflag & LINUX_CSTOPB)
543 bios->c_cflag |= CSTOPB;
544 if (lios->c_cflag & LINUX_CREAD)
545 bios->c_cflag |= CREAD;
546 if (lios->c_cflag & LINUX_PARENB)
547 bios->c_cflag |= PARENB;
548 if (lios->c_cflag & LINUX_PARODD)
549 bios->c_cflag |= PARODD;
550 if (lios->c_cflag & LINUX_HUPCL)
551 bios->c_cflag |= HUPCL;
552 if (lios->c_cflag & LINUX_CLOCAL)
553 bios->c_cflag |= CLOCAL;
554 if (lios->c_cflag & LINUX_CRTSCTS)
555 bios->c_cflag |= CRTSCTS;
556
557 bios->c_lflag = 0;
558 if (lios->c_lflag & LINUX_ISIG)
559 bios->c_lflag |= ISIG;
560 if (lios->c_lflag & LINUX_ICANON)
561 bios->c_lflag |= ICANON;
562 if (lios->c_lflag & LINUX_ECHO)
563 bios->c_lflag |= ECHO;
564 if (lios->c_lflag & LINUX_ECHOE)
565 bios->c_lflag |= ECHOE;
566 if (lios->c_lflag & LINUX_ECHOK)
567 bios->c_lflag |= ECHOK;
568 if (lios->c_lflag & LINUX_ECHONL)
569 bios->c_lflag |= ECHONL;
570 if (lios->c_lflag & LINUX_NOFLSH)
571 bios->c_lflag |= NOFLSH;
572 if (lios->c_lflag & LINUX_TOSTOP)
573 bios->c_lflag |= TOSTOP;
574 if (lios->c_lflag & LINUX_ECHOCTL)
575 bios->c_lflag |= ECHOCTL;
576 if (lios->c_lflag & LINUX_ECHOPRT)
577 bios->c_lflag |= ECHOPRT;
578 if (lios->c_lflag & LINUX_ECHOKE)
579 bios->c_lflag |= ECHOKE;
580 if (lios->c_lflag & LINUX_FLUSHO)
581 bios->c_lflag |= FLUSHO;
582 if (lios->c_lflag & LINUX_PENDIN)
583 bios->c_lflag |= PENDIN;
584 if (lios->c_lflag & LINUX_IEXTEN)
585 bios->c_lflag |= IEXTEN;
586
587 for (i=0; i<NCCS; i++)
588 bios->c_cc[i] = _POSIX_VDISABLE;
589 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR];
590 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT];
591 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE];
592 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL];
593 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF];
594 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL];
595 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN];
596 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME];
597 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2];
598 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP];
599 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART];
600 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP];
601 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT];
602 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD];
603 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE];
604 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT];
605
606 for (i=0; i<NCCS; i++) {
607 if (i != VMIN && i != VTIME &&
608 bios->c_cc[i] == LINUX_POSIX_VDISABLE)
609 bios->c_cc[i] = _POSIX_VDISABLE;
610 }
611
612 bios->c_ispeed = bios->c_ospeed =
613 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab);
614
615 #ifdef DEBUG
616 if (ldebug(ioctl)) {
617 printf("LINUX: BSD termios structure (output):\n");
618 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
619 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag,
620 bios->c_ispeed, bios->c_ospeed);
621 printf("c_cc ");
622 for (i=0; i<NCCS; i++)
623 printf("%02x ", bios->c_cc[i]);
624 printf("\n");
625 }
626 #endif
627 }
628
629 static void
630 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio)
631 {
632 struct linux_termios lios;
633
634 bsd_to_linux_termios(bios, &lios);
635 lio->c_iflag = lios.c_iflag;
636 lio->c_oflag = lios.c_oflag;
637 lio->c_cflag = lios.c_cflag;
638 lio->c_lflag = lios.c_lflag;
639 lio->c_line = lios.c_line;
640 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC);
641 }
642
643 static void
644 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios)
645 {
646 struct linux_termios lios;
647 int i;
648
649 lios.c_iflag = lio->c_iflag;
650 lios.c_oflag = lio->c_oflag;
651 lios.c_cflag = lio->c_cflag;
652 lios.c_lflag = lio->c_lflag;
653 for (i=LINUX_NCC; i<LINUX_NCCS; i++)
654 lios.c_cc[i] = LINUX_POSIX_VDISABLE;
655 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC);
656 linux_to_bsd_termios(&lios, bios);
657 }
658
659 static int
660 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args)
661 {
662 struct termios bios;
663 struct linux_termios lios;
664 struct linux_termio lio;
665 struct file *fp;
666 int error;
667
668 if ((error = fget(td, args->fd, &fp)) != 0)
669 return (error);
670
671 switch (args->cmd & 0xffff) {
672
673 case LINUX_TCGETS:
674 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
675 td);
676 if (error)
677 break;
678 bsd_to_linux_termios(&bios, &lios);
679 error = copyout(&lios, (void *)args->arg, sizeof(lios));
680 break;
681
682 case LINUX_TCSETS:
683 error = copyin((void *)args->arg, &lios, sizeof(lios));
684 if (error)
685 break;
686 linux_to_bsd_termios(&lios, &bios);
687 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
688 td));
689 break;
690
691 case LINUX_TCSETSW:
692 error = copyin((void *)args->arg, &lios, sizeof(lios));
693 if (error)
694 break;
695 linux_to_bsd_termios(&lios, &bios);
696 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
697 td));
698 break;
699
700 case LINUX_TCSETSF:
701 error = copyin((void *)args->arg, &lios, sizeof(lios));
702 if (error)
703 break;
704 linux_to_bsd_termios(&lios, &bios);
705 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
706 td));
707 break;
708
709 case LINUX_TCGETA:
710 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred,
711 td);
712 if (error)
713 break;
714 bsd_to_linux_termio(&bios, &lio);
715 error = (copyout(&lio, (void *)args->arg, sizeof(lio)));
716 break;
717
718 case LINUX_TCSETA:
719 error = copyin((void *)args->arg, &lio, sizeof(lio));
720 if (error)
721 break;
722 linux_to_bsd_termio(&lio, &bios);
723 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred,
724 td));
725 break;
726
727 case LINUX_TCSETAW:
728 error = copyin((void *)args->arg, &lio, sizeof(lio));
729 if (error)
730 break;
731 linux_to_bsd_termio(&lio, &bios);
732 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred,
733 td));
734 break;
735
736 case LINUX_TCSETAF:
737 error = copyin((void *)args->arg, &lio, sizeof(lio));
738 if (error)
739 break;
740 linux_to_bsd_termio(&lio, &bios);
741 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred,
742 td));
743 break;
744
745 /* LINUX_TCSBRK */
746
747 case LINUX_TCXONC: {
748 switch (args->arg) {
749 case LINUX_TCOOFF:
750 args->cmd = TIOCSTOP;
751 break;
752 case LINUX_TCOON:
753 args->cmd = TIOCSTART;
754 break;
755 case LINUX_TCIOFF:
756 case LINUX_TCION: {
757 int c;
758 struct write_args wr;
759 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios,
760 td->td_ucred, td);
761 if (error)
762 break;
763 fdrop(fp, td);
764 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART;
765 c = bios.c_cc[c];
766 if (c != _POSIX_VDISABLE) {
767 wr.fd = args->fd;
768 wr.buf = &c;
769 wr.nbyte = sizeof(c);
770 return (write(td, &wr));
771 } else
772 return (0);
773 }
774 default:
775 fdrop(fp, td);
776 return (EINVAL);
777 }
778 args->arg = 0;
779 error = (ioctl(td, (struct ioctl_args *)args));
780 break;
781 }
782
783 case LINUX_TCFLSH: {
784 int val;
785 switch (args->arg) {
786 case LINUX_TCIFLUSH:
787 val = FREAD;
788 break;
789 case LINUX_TCOFLUSH:
790 val = FWRITE;
791 break;
792 case LINUX_TCIOFLUSH:
793 val = FREAD | FWRITE;
794 break;
795 default:
796 fdrop(fp, td);
797 return (EINVAL);
798 }
799 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td));
800 break;
801 }
802
803 case LINUX_TIOCEXCL:
804 args->cmd = TIOCEXCL;
805 error = (ioctl(td, (struct ioctl_args *)args));
806 break;
807
808 case LINUX_TIOCNXCL:
809 args->cmd = TIOCNXCL;
810 error = (ioctl(td, (struct ioctl_args *)args));
811 break;
812
813 case LINUX_TIOCSCTTY:
814 args->cmd = TIOCSCTTY;
815 error = (ioctl(td, (struct ioctl_args *)args));
816 break;
817
818 case LINUX_TIOCGPGRP:
819 args->cmd = TIOCGPGRP;
820 error = (ioctl(td, (struct ioctl_args *)args));
821 break;
822
823 case LINUX_TIOCSPGRP:
824 args->cmd = TIOCSPGRP;
825 error = (ioctl(td, (struct ioctl_args *)args));
826 break;
827
828 /* LINUX_TIOCOUTQ */
829 /* LINUX_TIOCSTI */
830
831 case LINUX_TIOCGWINSZ:
832 args->cmd = TIOCGWINSZ;
833 error = (ioctl(td, (struct ioctl_args *)args));
834 break;
835
836 case LINUX_TIOCSWINSZ:
837 args->cmd = TIOCSWINSZ;
838 error = (ioctl(td, (struct ioctl_args *)args));
839 break;
840
841 case LINUX_TIOCMGET:
842 args->cmd = TIOCMGET;
843 error = (ioctl(td, (struct ioctl_args *)args));
844 break;
845
846 case LINUX_TIOCMBIS:
847 args->cmd = TIOCMBIS;
848 error = (ioctl(td, (struct ioctl_args *)args));
849 break;
850
851 case LINUX_TIOCMBIC:
852 args->cmd = TIOCMBIC;
853 error = (ioctl(td, (struct ioctl_args *)args));
854 break;
855
856 case LINUX_TIOCMSET:
857 args->cmd = TIOCMSET;
858 error = (ioctl(td, (struct ioctl_args *)args));
859 break;
860
861 /* TIOCGSOFTCAR */
862 /* TIOCSSOFTCAR */
863
864 case LINUX_FIONREAD: /* LINUX_TIOCINQ */
865 args->cmd = FIONREAD;
866 error = (ioctl(td, (struct ioctl_args *)args));
867 break;
868
869 /* LINUX_TIOCLINUX */
870
871 case LINUX_TIOCCONS:
872 args->cmd = TIOCCONS;
873 error = (ioctl(td, (struct ioctl_args *)args));
874 break;
875
876 case LINUX_TIOCGSERIAL: {
877 struct linux_serial_struct lss;
878 lss.type = LINUX_PORT_16550A;
879 lss.flags = 0;
880 lss.close_delay = 0;
881 error = copyout(&lss, (void *)args->arg, sizeof(lss));
882 break;
883 }
884
885 case LINUX_TIOCSSERIAL: {
886 struct linux_serial_struct lss;
887 error = copyin((void *)args->arg, &lss, sizeof(lss));
888 if (error)
889 break;
890 /* XXX - It really helps to have an implementation that
891 * does nothing. NOT!
892 */
893 error = 0;
894 break;
895 }
896
897 /* LINUX_TIOCPKT */
898
899 case LINUX_FIONBIO:
900 args->cmd = FIONBIO;
901 error = (ioctl(td, (struct ioctl_args *)args));
902 break;
903
904 case LINUX_TIOCNOTTY:
905 args->cmd = TIOCNOTTY;
906 error = (ioctl(td, (struct ioctl_args *)args));
907 break;
908
909 case LINUX_TIOCSETD: {
910 int line;
911 switch (args->arg) {
912 case LINUX_N_TTY:
913 line = TTYDISC;
914 break;
915 case LINUX_N_SLIP:
916 line = SLIPDISC;
917 break;
918 case LINUX_N_PPP:
919 line = PPPDISC;
920 break;
921 default:
922 fdrop(fp, td);
923 return (EINVAL);
924 }
925 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred,
926 td));
927 break;
928 }
929
930 case LINUX_TIOCGETD: {
931 int linux_line;
932 int bsd_line = TTYDISC;
933 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line,
934 td->td_ucred, td);
935 if (error)
936 return (error);
937 switch (bsd_line) {
938 case TTYDISC:
939 linux_line = LINUX_N_TTY;
940 break;
941 case SLIPDISC:
942 linux_line = LINUX_N_SLIP;
943 break;
944 case PPPDISC:
945 linux_line = LINUX_N_PPP;
946 break;
947 default:
948 fdrop(fp, td);
949 return (EINVAL);
950 }
951 error = (copyout(&linux_line, (void *)args->arg, sizeof(int)));
952 break;
953 }
954
955 /* LINUX_TCSBRKP */
956 /* LINUX_TIOCTTYGSTRUCT */
957
958 case LINUX_FIONCLEX:
959 args->cmd = FIONCLEX;
960 error = (ioctl(td, (struct ioctl_args *)args));
961 break;
962
963 case LINUX_FIOCLEX:
964 args->cmd = FIOCLEX;
965 error = (ioctl(td, (struct ioctl_args *)args));
966 break;
967
968 case LINUX_FIOASYNC:
969 args->cmd = FIOASYNC;
970 error = (ioctl(td, (struct ioctl_args *)args));
971 break;
972
973 /* LINUX_TIOCSERCONFIG */
974 /* LINUX_TIOCSERGWILD */
975 /* LINUX_TIOCSERSWILD */
976 /* LINUX_TIOCGLCKTRMIOS */
977 /* LINUX_TIOCSLCKTRMIOS */
978
979 case LINUX_TIOCSBRK:
980 args->cmd = TIOCSBRK;
981 error = (ioctl(td, (struct ioctl_args *)args));
982 break;
983
984 case LINUX_TIOCCBRK:
985 args->cmd = TIOCCBRK;
986 error = (ioctl(td, (struct ioctl_args *)args));
987 break;
988 case LINUX_TIOCGPTN: {
989 int nb;
990
991 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td);
992 if (!error)
993 error = copyout(&nb, (void *)args->arg,
994 sizeof(int));
995 break;
996 }
997 default:
998 error = ENOIOCTL;
999 break;
1000 }
1001
1002 fdrop(fp, td);
1003 return (error);
1004 }
1005
1006 /*
1007 * CDROM related ioctls
1008 */
1009
1010 struct linux_cdrom_msf
1011 {
1012 u_char cdmsf_min0;
1013 u_char cdmsf_sec0;
1014 u_char cdmsf_frame0;
1015 u_char cdmsf_min1;
1016 u_char cdmsf_sec1;
1017 u_char cdmsf_frame1;
1018 };
1019
1020 struct linux_cdrom_tochdr
1021 {
1022 u_char cdth_trk0;
1023 u_char cdth_trk1;
1024 };
1025
1026 union linux_cdrom_addr
1027 {
1028 struct {
1029 u_char minute;
1030 u_char second;
1031 u_char frame;
1032 } msf;
1033 int lba;
1034 };
1035
1036 struct linux_cdrom_tocentry
1037 {
1038 u_char cdte_track;
1039 u_char cdte_adr:4;
1040 u_char cdte_ctrl:4;
1041 u_char cdte_format;
1042 union linux_cdrom_addr cdte_addr;
1043 u_char cdte_datamode;
1044 };
1045
1046 struct linux_cdrom_subchnl
1047 {
1048 u_char cdsc_format;
1049 u_char cdsc_audiostatus;
1050 u_char cdsc_adr:4;
1051 u_char cdsc_ctrl:4;
1052 u_char cdsc_trk;
1053 u_char cdsc_ind;
1054 union linux_cdrom_addr cdsc_absaddr;
1055 union linux_cdrom_addr cdsc_reladdr;
1056 };
1057
1058 struct l_cdrom_read_audio {
1059 union linux_cdrom_addr addr;
1060 u_char addr_format;
1061 l_int nframes;
1062 u_char *buf;
1063 };
1064
1065 struct l_dvd_layer {
1066 u_char book_version:4;
1067 u_char book_type:4;
1068 u_char min_rate:4;
1069 u_char disc_size:4;
1070 u_char layer_type:4;
1071 u_char track_path:1;
1072 u_char nlayers:2;
1073 u_char track_density:4;
1074 u_char linear_density:4;
1075 u_char bca:1;
1076 u_int32_t start_sector;
1077 u_int32_t end_sector;
1078 u_int32_t end_sector_l0;
1079 };
1080
1081 struct l_dvd_physical {
1082 u_char type;
1083 u_char layer_num;
1084 struct l_dvd_layer layer[4];
1085 };
1086
1087 struct l_dvd_copyright {
1088 u_char type;
1089 u_char layer_num;
1090 u_char cpst;
1091 u_char rmi;
1092 };
1093
1094 struct l_dvd_disckey {
1095 u_char type;
1096 l_uint agid:2;
1097 u_char value[2048];
1098 };
1099
1100 struct l_dvd_bca {
1101 u_char type;
1102 l_int len;
1103 u_char value[188];
1104 };
1105
1106 struct l_dvd_manufact {
1107 u_char type;
1108 u_char layer_num;
1109 l_int len;
1110 u_char value[2048];
1111 };
1112
1113 typedef union {
1114 u_char type;
1115 struct l_dvd_physical physical;
1116 struct l_dvd_copyright copyright;
1117 struct l_dvd_disckey disckey;
1118 struct l_dvd_bca bca;
1119 struct l_dvd_manufact manufact;
1120 } l_dvd_struct;
1121
1122 typedef u_char l_dvd_key[5];
1123 typedef u_char l_dvd_challenge[10];
1124
1125 struct l_dvd_lu_send_agid {
1126 u_char type;
1127 l_uint agid:2;
1128 };
1129
1130 struct l_dvd_host_send_challenge {
1131 u_char type;
1132 l_uint agid:2;
1133 l_dvd_challenge chal;
1134 };
1135
1136 struct l_dvd_send_key {
1137 u_char type;
1138 l_uint agid:2;
1139 l_dvd_key key;
1140 };
1141
1142 struct l_dvd_lu_send_challenge {
1143 u_char type;
1144 l_uint agid:2;
1145 l_dvd_challenge chal;
1146 };
1147
1148 struct l_dvd_lu_send_title_key {
1149 u_char type;
1150 l_uint agid:2;
1151 l_dvd_key title_key;
1152 l_int lba;
1153 l_uint cpm:1;
1154 l_uint cp_sec:1;
1155 l_uint cgms:2;
1156 };
1157
1158 struct l_dvd_lu_send_asf {
1159 u_char type;
1160 l_uint agid:2;
1161 l_uint asf:1;
1162 };
1163
1164 struct l_dvd_host_send_rpcstate {
1165 u_char type;
1166 u_char pdrc;
1167 };
1168
1169 struct l_dvd_lu_send_rpcstate {
1170 u_char type:2;
1171 u_char vra:3;
1172 u_char ucca:3;
1173 u_char region_mask;
1174 u_char rpc_scheme;
1175 };
1176
1177 typedef union {
1178 u_char type;
1179 struct l_dvd_lu_send_agid lsa;
1180 struct l_dvd_host_send_challenge hsc;
1181 struct l_dvd_send_key lsk;
1182 struct l_dvd_lu_send_challenge lsc;
1183 struct l_dvd_send_key hsk;
1184 struct l_dvd_lu_send_title_key lstk;
1185 struct l_dvd_lu_send_asf lsasf;
1186 struct l_dvd_host_send_rpcstate hrpcs;
1187 struct l_dvd_lu_send_rpcstate lrpcs;
1188 } l_dvd_authinfo;
1189
1190 static void
1191 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp)
1192 {
1193 if (af == CD_LBA_FORMAT)
1194 lp->lba = bp->lba;
1195 else {
1196 lp->msf.minute = bp->msf.minute;
1197 lp->msf.second = bp->msf.second;
1198 lp->msf.frame = bp->msf.frame;
1199 }
1200 }
1201
1202 static void
1203 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba)
1204 {
1205 if (format == LINUX_CDROM_MSF) {
1206 addr->msf.frame = lba % 75;
1207 lba /= 75;
1208 lba += 2;
1209 addr->msf.second = lba % 60;
1210 addr->msf.minute = lba / 60;
1211 } else
1212 addr->lba = lba;
1213 }
1214
1215 static int
1216 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
1217 {
1218 bp->format = lp->type;
1219 switch (bp->format) {
1220 case DVD_STRUCT_PHYSICAL:
1221 if (bp->layer_num >= 4)
1222 return (EINVAL);
1223 bp->layer_num = lp->physical.layer_num;
1224 break;
1225 case DVD_STRUCT_COPYRIGHT:
1226 bp->layer_num = lp->copyright.layer_num;
1227 break;
1228 case DVD_STRUCT_DISCKEY:
1229 bp->agid = lp->disckey.agid;
1230 break;
1231 case DVD_STRUCT_BCA:
1232 case DVD_STRUCT_MANUFACT:
1233 break;
1234 default:
1235 return (EINVAL);
1236 }
1237 return (0);
1238 }
1239
1240 static int
1241 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
1242 {
1243 switch (bp->format) {
1244 case DVD_STRUCT_PHYSICAL: {
1245 struct dvd_layer *blp = (struct dvd_layer *)bp->data;
1246 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num];
1247 memset(llp, 0, sizeof(*llp));
1248 llp->book_version = blp->book_version;
1249 llp->book_type = blp->book_type;
1250 llp->min_rate = blp->max_rate;
1251 llp->disc_size = blp->disc_size;
1252 llp->layer_type = blp->layer_type;
1253 llp->track_path = blp->track_path;
1254 llp->nlayers = blp->nlayers;
1255 llp->track_density = blp->track_density;
1256 llp->linear_density = blp->linear_density;
1257 llp->bca = blp->bca;
1258 llp->start_sector = blp->start_sector;
1259 llp->end_sector = blp->end_sector;
1260 llp->end_sector_l0 = blp->end_sector_l0;
1261 break;
1262 }
1263 case DVD_STRUCT_COPYRIGHT:
1264 lp->copyright.cpst = bp->cpst;
1265 lp->copyright.rmi = bp->rmi;
1266 break;
1267 case DVD_STRUCT_DISCKEY:
1268 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value));
1269 break;
1270 case DVD_STRUCT_BCA:
1271 lp->bca.len = bp->length;
1272 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value));
1273 break;
1274 case DVD_STRUCT_MANUFACT:
1275 lp->manufact.len = bp->length;
1276 memcpy(lp->manufact.value, bp->data,
1277 sizeof(lp->manufact.value));
1278 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */
1279 break;
1280 default:
1281 return (EINVAL);
1282 }
1283 return (0);
1284 }
1285
1286 static int
1287 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode,
1288 struct dvd_authinfo *bp)
1289 {
1290 switch (lp->type) {
1291 case LINUX_DVD_LU_SEND_AGID:
1292 *bcode = DVDIOCREPORTKEY;
1293 bp->format = DVD_REPORT_AGID;
1294 bp->agid = lp->lsa.agid;
1295 break;
1296 case LINUX_DVD_HOST_SEND_CHALLENGE:
1297 *bcode = DVDIOCSENDKEY;
1298 bp->format = DVD_SEND_CHALLENGE;
1299 bp->agid = lp->hsc.agid;
1300 memcpy(bp->keychal, lp->hsc.chal, 10);
1301 break;
1302 case LINUX_DVD_LU_SEND_KEY1:
1303 *bcode = DVDIOCREPORTKEY;
1304 bp->format = DVD_REPORT_KEY1;
1305 bp->agid = lp->lsk.agid;
1306 break;
1307 case LINUX_DVD_LU_SEND_CHALLENGE:
1308 *bcode = DVDIOCREPORTKEY;
1309 bp->format = DVD_REPORT_CHALLENGE;
1310 bp->agid = lp->lsc.agid;
1311 break;
1312 case LINUX_DVD_HOST_SEND_KEY2:
1313 *bcode = DVDIOCSENDKEY;
1314 bp->format = DVD_SEND_KEY2;
1315 bp->agid = lp->hsk.agid;
1316 memcpy(bp->keychal, lp->hsk.key, 5);
1317 break;
1318 case LINUX_DVD_LU_SEND_TITLE_KEY:
1319 *bcode = DVDIOCREPORTKEY;
1320 bp->format = DVD_REPORT_TITLE_KEY;
1321 bp->agid = lp->lstk.agid;
1322 bp->lba = lp->lstk.lba;
1323 break;
1324 case LINUX_DVD_LU_SEND_ASF:
1325 *bcode = DVDIOCREPORTKEY;
1326 bp->format = DVD_REPORT_ASF;
1327 bp->agid = lp->lsasf.agid;
1328 break;
1329 case LINUX_DVD_INVALIDATE_AGID:
1330 *bcode = DVDIOCREPORTKEY;
1331 bp->format = DVD_INVALIDATE_AGID;
1332 bp->agid = lp->lsa.agid;
1333 break;
1334 case LINUX_DVD_LU_SEND_RPC_STATE:
1335 *bcode = DVDIOCREPORTKEY;
1336 bp->format = DVD_REPORT_RPC;
1337 break;
1338 case LINUX_DVD_HOST_SEND_RPC_STATE:
1339 *bcode = DVDIOCSENDKEY;
1340 bp->format = DVD_SEND_RPC;
1341 bp->region = lp->hrpcs.pdrc;
1342 break;
1343 default:
1344 return (EINVAL);
1345 }
1346 return (0);
1347 }
1348
1349 static int
1350 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp)
1351 {
1352 switch (lp->type) {
1353 case LINUX_DVD_LU_SEND_AGID:
1354 lp->lsa.agid = bp->agid;
1355 break;
1356 case LINUX_DVD_HOST_SEND_CHALLENGE:
1357 lp->type = LINUX_DVD_LU_SEND_KEY1;
1358 break;
1359 case LINUX_DVD_LU_SEND_KEY1:
1360 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key));
1361 break;
1362 case LINUX_DVD_LU_SEND_CHALLENGE:
1363 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal));
1364 break;
1365 case LINUX_DVD_HOST_SEND_KEY2:
1366 lp->type = LINUX_DVD_AUTH_ESTABLISHED;
1367 break;
1368 case LINUX_DVD_LU_SEND_TITLE_KEY:
1369 memcpy(lp->lstk.title_key, bp->keychal,
1370 sizeof(lp->lstk.title_key));
1371 lp->lstk.cpm = bp->cpm;
1372 lp->lstk.cp_sec = bp->cp_sec;
1373 lp->lstk.cgms = bp->cgms;
1374 break;
1375 case LINUX_DVD_LU_SEND_ASF:
1376 lp->lsasf.asf = bp->asf;
1377 break;
1378 case LINUX_DVD_INVALIDATE_AGID:
1379 break;
1380 case LINUX_DVD_LU_SEND_RPC_STATE:
1381 lp->lrpcs.type = bp->reg_type;
1382 lp->lrpcs.vra = bp->vend_rsts;
1383 lp->lrpcs.ucca = bp->user_rsts;
1384 lp->lrpcs.region_mask = bp->region;
1385 lp->lrpcs.rpc_scheme = bp->rpc_scheme;
1386 break;
1387 case LINUX_DVD_HOST_SEND_RPC_STATE:
1388 break;
1389 default:
1390 return (EINVAL);
1391 }
1392 return (0);
1393 }
1394
1395 static int
1396 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args)
1397 {
1398 struct file *fp;
1399 int error;
1400
1401 if ((error = fget(td, args->fd, &fp)) != 0)
1402 return (error);
1403 switch (args->cmd & 0xffff) {
1404
1405 case LINUX_CDROMPAUSE:
1406 args->cmd = CDIOCPAUSE;
1407 error = (ioctl(td, (struct ioctl_args *)args));
1408 break;
1409
1410 case LINUX_CDROMRESUME:
1411 args->cmd = CDIOCRESUME;
1412 error = (ioctl(td, (struct ioctl_args *)args));
1413 break;
1414
1415 case LINUX_CDROMPLAYMSF:
1416 args->cmd = CDIOCPLAYMSF;
1417 error = (ioctl(td, (struct ioctl_args *)args));
1418 break;
1419
1420 case LINUX_CDROMPLAYTRKIND:
1421 args->cmd = CDIOCPLAYTRACKS;
1422 error = (ioctl(td, (struct ioctl_args *)args));
1423 break;
1424
1425 case LINUX_CDROMREADTOCHDR: {
1426 struct ioc_toc_header th;
1427 struct linux_cdrom_tochdr lth;
1428 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th,
1429 td->td_ucred, td);
1430 if (!error) {
1431 lth.cdth_trk0 = th.starting_track;
1432 lth.cdth_trk1 = th.ending_track;
1433 copyout(<h, (void *)args->arg, sizeof(lth));
1434 }
1435 break;
1436 }
1437
1438 case LINUX_CDROMREADTOCENTRY: {
1439 struct linux_cdrom_tocentry lte;
1440 struct ioc_read_toc_single_entry irtse;
1441
1442 error = copyin((void *)args->arg, <e, sizeof(lte));
1443 if (error)
1444 break;
1445 irtse.address_format = lte.cdte_format;
1446 irtse.track = lte.cdte_track;
1447 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse,
1448 td->td_ucred, td);
1449 if (!error) {
1450 lte.cdte_ctrl = irtse.entry.control;
1451 lte.cdte_adr = irtse.entry.addr_type;
1452 bsd_to_linux_msf_lba(irtse.address_format,
1453 &irtse.entry.addr, <e.cdte_addr);
1454 error = copyout(<e, (void *)args->arg, sizeof(lte));
1455 }
1456 break;
1457 }
1458
1459 case LINUX_CDROMSTOP:
1460 args->cmd = CDIOCSTOP;
1461 error = (ioctl(td, (struct ioctl_args *)args));
1462 break;
1463
1464 case LINUX_CDROMSTART:
1465 args->cmd = CDIOCSTART;
1466 error = (ioctl(td, (struct ioctl_args *)args));
1467 break;
1468
1469 case LINUX_CDROMEJECT:
1470 args->cmd = CDIOCEJECT;
1471 error = (ioctl(td, (struct ioctl_args *)args));
1472 break;
1473
1474 /* LINUX_CDROMVOLCTRL */
1475
1476 case LINUX_CDROMSUBCHNL: {
1477 struct linux_cdrom_subchnl sc;
1478 struct ioc_read_subchannel bsdsc;
1479 struct cd_sub_channel_info bsdinfo;
1480
1481 bsdsc.address_format = CD_LBA_FORMAT;
1482 bsdsc.data_format = CD_CURRENT_POSITION;
1483 bsdsc.track = 0;
1484 bsdsc.data_len = sizeof(bsdinfo);
1485 bsdsc.data = &bsdinfo;
1486 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE,
1487 (caddr_t)&bsdsc, td->td_ucred, td);
1488 if (error)
1489 break;
1490 error = copyin((void *)args->arg, &sc, sizeof(sc));
1491 if (error)
1492 break;
1493 sc.cdsc_audiostatus = bsdinfo.header.audio_status;
1494 sc.cdsc_adr = bsdinfo.what.position.addr_type;
1495 sc.cdsc_ctrl = bsdinfo.what.position.control;
1496 sc.cdsc_trk = bsdinfo.what.position.track_number;
1497 sc.cdsc_ind = bsdinfo.what.position.index_number;
1498 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format,
1499 bsdinfo.what.position.absaddr.lba);
1500 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format,
1501 bsdinfo.what.position.reladdr.lba);
1502 error = copyout(&sc, (void *)args->arg, sizeof(sc));
1503 break;
1504 }
1505
1506 /* LINUX_CDROMREADMODE2 */
1507 /* LINUX_CDROMREADMODE1 */
1508 /* LINUX_CDROMREADAUDIO */
1509 /* LINUX_CDROMEJECT_SW */
1510 /* LINUX_CDROMMULTISESSION */
1511 /* LINUX_CDROM_GET_UPC */
1512
1513 case LINUX_CDROMRESET:
1514 args->cmd = CDIOCRESET;
1515 error = (ioctl(td, (struct ioctl_args *)args));
1516 break;
1517
1518 /* LINUX_CDROMVOLREAD */
1519 /* LINUX_CDROMREADRAW */
1520 /* LINUX_CDROMREADCOOKED */
1521 /* LINUX_CDROMSEEK */
1522 /* LINUX_CDROMPLAYBLK */
1523 /* LINUX_CDROMREADALL */
1524 /* LINUX_CDROMCLOSETRAY */
1525 /* LINUX_CDROMLOADFROMSLOT */
1526 /* LINUX_CDROMGETSPINDOWN */
1527 /* LINUX_CDROMSETSPINDOWN */
1528 /* LINUX_CDROM_SET_OPTIONS */
1529 /* LINUX_CDROM_CLEAR_OPTIONS */
1530 /* LINUX_CDROM_SELECT_SPEED */
1531 /* LINUX_CDROM_SELECT_DISC */
1532 /* LINUX_CDROM_MEDIA_CHANGED */
1533 /* LINUX_CDROM_DRIVE_STATUS */
1534 /* LINUX_CDROM_DISC_STATUS */
1535 /* LINUX_CDROM_CHANGER_NSLOTS */
1536 /* LINUX_CDROM_LOCKDOOR */
1537 /* LINUX_CDROM_DEBUG */
1538 /* LINUX_CDROM_GET_CAPABILITY */
1539 /* LINUX_CDROMAUDIOBUFSIZ */
1540
1541 case LINUX_DVD_READ_STRUCT: {
1542 l_dvd_struct *lds;
1543 struct dvd_struct *bds;
1544
1545 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK);
1546 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK);
1547 error = copyin((void *)args->arg, lds, sizeof(*lds));
1548 if (error)
1549 goto out;
1550 error = linux_to_bsd_dvd_struct(lds, bds);
1551 if (error)
1552 goto out;
1553 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds,
1554 td->td_ucred, td);
1555 if (error)
1556 goto out;
1557 error = bsd_to_linux_dvd_struct(bds, lds);
1558 if (error)
1559 goto out;
1560 error = copyout(lds, (void *)args->arg, sizeof(*lds));
1561 out:
1562 free(bds, M_LINUX);
1563 free(lds, M_LINUX);
1564 break;
1565 }
1566
1567 /* LINUX_DVD_WRITE_STRUCT */
1568
1569 case LINUX_DVD_AUTH: {
1570 l_dvd_authinfo lda;
1571 struct dvd_authinfo bda;
1572 int bcode;
1573
1574 error = copyin((void *)args->arg, &lda, sizeof(lda));
1575 if (error)
1576 break;
1577 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda);
1578 if (error)
1579 break;
1580 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred,
1581 td);
1582 if (error) {
1583 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) {
1584 lda.type = LINUX_DVD_AUTH_FAILURE;
1585 copyout(&lda, (void *)args->arg, sizeof(lda));
1586 }
1587 break;
1588 }
1589 error = bsd_to_linux_dvd_authinfo(&bda, &lda);
1590 if (error)
1591 break;
1592 error = copyout(&lda, (void *)args->arg, sizeof(lda));
1593 break;
1594 }
1595
1596 case LINUX_SCSI_GET_BUS_NUMBER:
1597 case LINUX_SCSI_GET_IDLUN:
1598 error = linux_ioctl_sg(td, args);
1599 break;
1600
1601 /* LINUX_CDROM_SEND_PACKET */
1602 /* LINUX_CDROM_NEXT_WRITABLE */
1603 /* LINUX_CDROM_LAST_WRITTEN */
1604
1605 default:
1606 error = ENOIOCTL;
1607 break;
1608 }
1609
1610 fdrop(fp, td);
1611 return (error);
1612 }
1613
1614 static int
1615 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args)
1616 {
1617
1618 return (ENOTTY);
1619 }
1620
1621 /*
1622 * Sound related ioctls
1623 */
1624
1625 struct linux_mixer_info {
1626 char id[16];
1627 char name[32];
1628 int modify_counter;
1629 int fillers[10];
1630 };
1631
1632 struct linux_old_mixer_info {
1633 char id[16];
1634 char name[32];
1635 };
1636
1637 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT };
1638
1639 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30])
1640
1641 static int
1642 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args)
1643 {
1644
1645 switch (args->cmd & 0xffff) {
1646
1647 case LINUX_SOUND_MIXER_WRITE_VOLUME:
1648 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME);
1649 return (ioctl(td, (struct ioctl_args *)args));
1650
1651 case LINUX_SOUND_MIXER_WRITE_BASS:
1652 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS);
1653 return (ioctl(td, (struct ioctl_args *)args));
1654
1655 case LINUX_SOUND_MIXER_WRITE_TREBLE:
1656 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE);
1657 return (ioctl(td, (struct ioctl_args *)args));
1658
1659 case LINUX_SOUND_MIXER_WRITE_SYNTH:
1660 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH);
1661 return (ioctl(td, (struct ioctl_args *)args));
1662
1663 case LINUX_SOUND_MIXER_WRITE_PCM:
1664 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM);
1665 return (ioctl(td, (struct ioctl_args *)args));
1666
1667 case LINUX_SOUND_MIXER_WRITE_SPEAKER:
1668 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER);
1669 return (ioctl(td, (struct ioctl_args *)args));
1670
1671 case LINUX_SOUND_MIXER_WRITE_LINE:
1672 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE);
1673 return (ioctl(td, (struct ioctl_args *)args));
1674
1675 case LINUX_SOUND_MIXER_WRITE_MIC:
1676 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC);
1677 return (ioctl(td, (struct ioctl_args *)args));
1678
1679 case LINUX_SOUND_MIXER_WRITE_CD:
1680 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD);
1681 return (ioctl(td, (struct ioctl_args *)args));
1682
1683 case LINUX_SOUND_MIXER_WRITE_IMIX:
1684 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX);
1685 return (ioctl(td, (struct ioctl_args *)args));
1686
1687 case LINUX_SOUND_MIXER_WRITE_ALTPCM:
1688 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM);
1689 return (ioctl(td, (struct ioctl_args *)args));
1690
1691 case LINUX_SOUND_MIXER_WRITE_RECLEV:
1692 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV);
1693 return (ioctl(td, (struct ioctl_args *)args));
1694
1695 case LINUX_SOUND_MIXER_WRITE_IGAIN:
1696 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN);
1697 return (ioctl(td, (struct ioctl_args *)args));
1698
1699 case LINUX_SOUND_MIXER_WRITE_OGAIN:
1700 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN);
1701 return (ioctl(td, (struct ioctl_args *)args));
1702
1703 case LINUX_SOUND_MIXER_WRITE_LINE1:
1704 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1);
1705 return (ioctl(td, (struct ioctl_args *)args));
1706
1707 case LINUX_SOUND_MIXER_WRITE_LINE2:
1708 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2);
1709 return (ioctl(td, (struct ioctl_args *)args));
1710
1711 case LINUX_SOUND_MIXER_WRITE_LINE3:
1712 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3);
1713 return (ioctl(td, (struct ioctl_args *)args));
1714
1715 case LINUX_SOUND_MIXER_INFO: {
1716 /* Key on encoded length */
1717 switch ((args->cmd >> 16) & 0x1fff) {
1718 case 0x005c: { /* SOUND_MIXER_INFO */
1719 struct linux_mixer_info info;
1720 bzero(&info, sizeof(info));
1721 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1722 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1723 copyout(&info, (void *)args->arg, sizeof(info));
1724 break;
1725 }
1726 case 0x0030: { /* SOUND_OLD_MIXER_INFO */
1727 struct linux_old_mixer_info info;
1728 bzero(&info, sizeof(info));
1729 strncpy(info.id, "OSS", sizeof(info.id) - 1);
1730 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1);
1731 copyout(&info, (void *)args->arg, sizeof(info));
1732 break;
1733 }
1734 default:
1735 return (ENOIOCTL);
1736 }
1737 break;
1738 }
1739
1740 case LINUX_OSS_GETVERSION: {
1741 int version = linux_get_oss_version(td);
1742 return (copyout(&version, (void *)args->arg, sizeof(int)));
1743 }
1744
1745 case LINUX_SOUND_MIXER_READ_STEREODEVS:
1746 args->cmd = SOUND_MIXER_READ_STEREODEVS;
1747 return (ioctl(td, (struct ioctl_args *)args));
1748
1749 case LINUX_SOUND_MIXER_READ_RECMASK:
1750 args->cmd = SOUND_MIXER_READ_RECMASK;
1751 return (ioctl(td, (struct ioctl_args *)args));
1752
1753 case LINUX_SOUND_MIXER_READ_DEVMASK:
1754 args->cmd = SOUND_MIXER_READ_DEVMASK;
1755 return (ioctl(td, (struct ioctl_args *)args));
1756
1757 case LINUX_SOUND_MIXER_WRITE_RECSRC:
1758 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC);
1759 return (ioctl(td, (struct ioctl_args *)args));
1760
1761 case LINUX_SNDCTL_DSP_RESET:
1762 args->cmd = SNDCTL_DSP_RESET;
1763 return (ioctl(td, (struct ioctl_args *)args));
1764
1765 case LINUX_SNDCTL_DSP_SYNC:
1766 args->cmd = SNDCTL_DSP_SYNC;
1767 return (ioctl(td, (struct ioctl_args *)args));
1768
1769 case LINUX_SNDCTL_DSP_SPEED:
1770 args->cmd = SNDCTL_DSP_SPEED;
1771 return (ioctl(td, (struct ioctl_args *)args));
1772
1773 case LINUX_SNDCTL_DSP_STEREO:
1774 args->cmd = SNDCTL_DSP_STEREO;
1775 return (ioctl(td, (struct ioctl_args *)args));
1776
1777 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */
1778 args->cmd = SNDCTL_DSP_GETBLKSIZE;
1779 return (ioctl(td, (struct ioctl_args *)args));
1780
1781 case LINUX_SNDCTL_DSP_SETFMT:
1782 args->cmd = SNDCTL_DSP_SETFMT;
1783 return (ioctl(td, (struct ioctl_args *)args));
1784
1785 case LINUX_SOUND_PCM_WRITE_CHANNELS:
1786 args->cmd = SOUND_PCM_WRITE_CHANNELS;
1787 return (ioctl(td, (struct ioctl_args *)args));
1788
1789 case LINUX_SOUND_PCM_WRITE_FILTER:
1790 args->cmd = SOUND_PCM_WRITE_FILTER;
1791 return (ioctl(td, (struct ioctl_args *)args));
1792
1793 case LINUX_SNDCTL_DSP_POST:
1794 args->cmd = SNDCTL_DSP_POST;
1795 return (ioctl(td, (struct ioctl_args *)args));
1796
1797 case LINUX_SNDCTL_DSP_SUBDIVIDE:
1798 args->cmd = SNDCTL_DSP_SUBDIVIDE;
1799 return (ioctl(td, (struct ioctl_args *)args));
1800
1801 case LINUX_SNDCTL_DSP_SETFRAGMENT:
1802 args->cmd = SNDCTL_DSP_SETFRAGMENT;
1803 return (ioctl(td, (struct ioctl_args *)args));
1804
1805 case LINUX_SNDCTL_DSP_GETFMTS:
1806 args->cmd = SNDCTL_DSP_GETFMTS;
1807 return (ioctl(td, (struct ioctl_args *)args));
1808
1809 case LINUX_SNDCTL_DSP_GETOSPACE:
1810 args->cmd = SNDCTL_DSP_GETOSPACE;
1811 return (ioctl(td, (struct ioctl_args *)args));
1812
1813 case LINUX_SNDCTL_DSP_GETISPACE:
1814 args->cmd = SNDCTL_DSP_GETISPACE;
1815 return (ioctl(td, (struct ioctl_args *)args));
1816
1817 case LINUX_SNDCTL_DSP_NONBLOCK:
1818 args->cmd = SNDCTL_DSP_NONBLOCK;
1819 return (ioctl(td, (struct ioctl_args *)args));
1820
1821 case LINUX_SNDCTL_DSP_GETCAPS:
1822 args->cmd = SNDCTL_DSP_GETCAPS;
1823 return (ioctl(td, (struct ioctl_args *)args));
1824
1825 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */
1826 args->cmd = SNDCTL_DSP_SETTRIGGER;
1827 return (ioctl(td, (struct ioctl_args *)args));
1828
1829 case LINUX_SNDCTL_DSP_GETIPTR:
1830 args->cmd = SNDCTL_DSP_GETIPTR;
1831 return (ioctl(td, (struct ioctl_args *)args));
1832
1833 case LINUX_SNDCTL_DSP_GETOPTR:
1834 args->cmd = SNDCTL_DSP_GETOPTR;
1835 return (ioctl(td, (struct ioctl_args *)args));
1836
1837 case LINUX_SNDCTL_DSP_SETDUPLEX:
1838 args->cmd = SNDCTL_DSP_SETDUPLEX;
1839 return (ioctl(td, (struct ioctl_args *)args));
1840
1841 case LINUX_SNDCTL_DSP_GETODELAY:
1842 args->cmd = SNDCTL_DSP_GETODELAY;
1843 return (ioctl(td, (struct ioctl_args *)args));
1844
1845 case LINUX_SNDCTL_SEQ_RESET:
1846 args->cmd = SNDCTL_SEQ_RESET;
1847 return (ioctl(td, (struct ioctl_args *)args));
1848
1849 case LINUX_SNDCTL_SEQ_SYNC:
1850 args->cmd = SNDCTL_SEQ_SYNC;
1851 return (ioctl(td, (struct ioctl_args *)args));
1852
1853 case LINUX_SNDCTL_SYNTH_INFO:
1854 args->cmd = SNDCTL_SYNTH_INFO;
1855 return (ioctl(td, (struct ioctl_args *)args));
1856
1857 case LINUX_SNDCTL_SEQ_CTRLRATE:
1858 args->cmd = SNDCTL_SEQ_CTRLRATE;
1859 return (ioctl(td, (struct ioctl_args *)args));
1860
1861 case LINUX_SNDCTL_SEQ_GETOUTCOUNT:
1862 args->cmd = SNDCTL_SEQ_GETOUTCOUNT;
1863 return (ioctl(td, (struct ioctl_args *)args));
1864
1865 case LINUX_SNDCTL_SEQ_GETINCOUNT:
1866 args->cmd = SNDCTL_SEQ_GETINCOUNT;
1867 return (ioctl(td, (struct ioctl_args *)args));
1868
1869 case LINUX_SNDCTL_SEQ_PERCMODE:
1870 args->cmd = SNDCTL_SEQ_PERCMODE;
1871 return (ioctl(td, (struct ioctl_args *)args));
1872
1873 case LINUX_SNDCTL_FM_LOAD_INSTR:
1874 args->cmd = SNDCTL_FM_LOAD_INSTR;
1875 return (ioctl(td, (struct ioctl_args *)args));
1876
1877 case LINUX_SNDCTL_SEQ_TESTMIDI:
1878 args->cmd = SNDCTL_SEQ_TESTMIDI;
1879 return (ioctl(td, (struct ioctl_args *)args));
1880
1881 case LINUX_SNDCTL_SEQ_RESETSAMPLES:
1882 args->cmd = SNDCTL_SEQ_RESETSAMPLES;
1883 return (ioctl(td, (struct ioctl_args *)args));
1884
1885 case LINUX_SNDCTL_SEQ_NRSYNTHS:
1886 args->cmd = SNDCTL_SEQ_NRSYNTHS;
1887 return (ioctl(td, (struct ioctl_args *)args));
1888
1889 case LINUX_SNDCTL_SEQ_NRMIDIS:
1890 args->cmd = SNDCTL_SEQ_NRMIDIS;
1891 return (ioctl(td, (struct ioctl_args *)args));
1892
1893 case LINUX_SNDCTL_MIDI_INFO:
1894 args->cmd = SNDCTL_MIDI_INFO;
1895 return (ioctl(td, (struct ioctl_args *)args));
1896
1897 case LINUX_SNDCTL_SEQ_TRESHOLD:
1898 args->cmd = SNDCTL_SEQ_TRESHOLD;
1899 return (ioctl(td, (struct ioctl_args *)args));
1900
1901 case LINUX_SNDCTL_SYNTH_MEMAVL:
1902 args->cmd = SNDCTL_SYNTH_MEMAVL;
1903 return (ioctl(td, (struct ioctl_args *)args));
1904
1905 }
1906
1907 return (ENOIOCTL);
1908 }
1909
1910 /*
1911 * Console related ioctls
1912 */
1913
1914 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
1915
1916 static int
1917 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
1918 {
1919 struct file *fp;
1920 int error;
1921
1922 if ((error = fget(td, args->fd, &fp)) != 0)
1923 return (error);
1924 switch (args->cmd & 0xffff) {
1925
1926 case LINUX_KIOCSOUND:
1927 args->cmd = KIOCSOUND;
1928 error = (ioctl(td, (struct ioctl_args *)args));
1929 break;
1930
1931 case LINUX_KDMKTONE:
1932 args->cmd = KDMKTONE;
1933 error = (ioctl(td, (struct ioctl_args *)args));
1934 break;
1935
1936 case LINUX_KDGETLED:
1937 args->cmd = KDGETLED;
1938 error = (ioctl(td, (struct ioctl_args *)args));
1939 break;
1940
1941 case LINUX_KDSETLED:
1942 args->cmd = KDSETLED;
1943 error = (ioctl(td, (struct ioctl_args *)args));
1944 break;
1945
1946 case LINUX_KDSETMODE:
1947 args->cmd = KDSETMODE;
1948 error = (ioctl(td, (struct ioctl_args *)args));
1949 break;
1950
1951 case LINUX_KDGETMODE:
1952 args->cmd = KDGETMODE;
1953 error = (ioctl(td, (struct ioctl_args *)args));
1954 break;
1955
1956 case LINUX_KDGKBMODE:
1957 args->cmd = KDGKBMODE;
1958 error = (ioctl(td, (struct ioctl_args *)args));
1959 break;
1960
1961 case LINUX_KDSKBMODE: {
1962 int kbdmode;
1963 switch (args->arg) {
1964 case LINUX_KBD_RAW:
1965 kbdmode = K_RAW;
1966 break;
1967 case LINUX_KBD_XLATE:
1968 kbdmode = K_XLATE;
1969 break;
1970 case LINUX_KBD_MEDIUMRAW:
1971 kbdmode = K_RAW;
1972 break;
1973 default:
1974 fdrop(fp, td);
1975 return (EINVAL);
1976 }
1977 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode,
1978 td->td_ucred, td));
1979 break;
1980 }
1981
1982 case LINUX_VT_OPENQRY:
1983 args->cmd = VT_OPENQRY;
1984 error = (ioctl(td, (struct ioctl_args *)args));
1985 break;
1986
1987 case LINUX_VT_GETMODE:
1988 args->cmd = VT_GETMODE;
1989 error = (ioctl(td, (struct ioctl_args *)args));
1990 break;
1991
1992 case LINUX_VT_SETMODE: {
1993 struct vt_mode mode;
1994 if ((error = copyin((void *)args->arg, &mode, sizeof(mode))))
1995 break;
1996 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig))
1997 mode.frsig = mode.acqsig;
1998 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode))))
1999 break;
2000 args->cmd = VT_SETMODE;
2001 error = (ioctl(td, (struct ioctl_args *)args));
2002 break;
2003 }
2004
2005 case LINUX_VT_GETSTATE:
2006 args->cmd = VT_GETACTIVE;
2007 error = (ioctl(td, (struct ioctl_args *)args));
2008 break;
2009
2010 case LINUX_VT_RELDISP:
2011 args->cmd = VT_RELDISP;
2012 error = (ioctl(td, (struct ioctl_args *)args));
2013 break;
2014
2015 case LINUX_VT_ACTIVATE:
2016 args->cmd = VT_ACTIVATE;
2017 error = (ioctl(td, (struct ioctl_args *)args));
2018 break;
2019
2020 case LINUX_VT_WAITACTIVE:
2021 args->cmd = VT_WAITACTIVE;
2022 error = (ioctl(td, (struct ioctl_args *)args));
2023 break;
2024
2025 default:
2026 error = ENOIOCTL;
2027 break;
2028 }
2029
2030 fdrop(fp, td);
2031 return (error);
2032 }
2033
2034 /*
2035 * Criteria for interface name translation
2036 */
2037 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
2038
2039 /*
2040 * Interface function used by linprocfs (at the time of writing). It's not
2041 * used by the Linuxulator itself.
2042 */
2043 int
2044 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
2045 {
2046 struct ifnet *ifscan;
2047 int ethno;
2048
2049 /* Short-circuit non ethernet interfaces */
2050 if (!IFP_IS_ETH(ifp))
2051 return (strlcpy(buffer, ifp->if_xname, buflen));
2052
2053 /* Determine the (relative) unit number for ethernet interfaces */
2054 ethno = 0;
2055 IFNET_RLOCK();
2056 TAILQ_FOREACH(ifscan, &ifnet, if_link) {
2057 if (ifscan == ifp) {
2058 IFNET_RUNLOCK();
2059 return (snprintf(buffer, buflen, "eth%d", ethno));
2060 }
2061 if (IFP_IS_ETH(ifscan))
2062 ethno++;
2063 }
2064 IFNET_RUNLOCK();
2065
2066 return (0);
2067 }
2068
2069 /*
2070 * Translate a Linux interface name to a FreeBSD interface name,
2071 * and return the associated ifnet structure
2072 * bsdname and lxname need to be least IFNAMSIZ bytes long, but
2073 * can point to the same buffer.
2074 */
2075
2076 static struct ifnet *
2077 ifname_linux_to_bsd(const char *lxname, char *bsdname)
2078 {
2079 struct ifnet *ifp;
2080 int len, unit;
2081 char *ep;
2082 int is_eth, index;
2083
2084 for (len = 0; len < LINUX_IFNAMSIZ; ++len)
2085 if (!isalpha(lxname[len]))
2086 break;
2087 if (len == 0 || len == LINUX_IFNAMSIZ)
2088 return (NULL);
2089 unit = (int)strtoul(lxname + len, &ep, 10);
2090 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ)
2091 return (NULL);
2092 index = 0;
2093 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
2094 IFNET_RLOCK();
2095 TAILQ_FOREACH(ifp, &ifnet, if_link) {
2096 /*
2097 * Allow Linux programs to use FreeBSD names. Don't presume
2098 * we never have an interface named "eth", so don't make
2099 * the test optional based on is_eth.
2100 */
2101 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0)
2102 break;
2103 if (is_eth && IFP_IS_ETH(ifp) && unit == index++)
2104 break;
2105 }
2106 IFNET_RUNLOCK();
2107 if (ifp != NULL)
2108 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
2109 return (ifp);
2110 }
2111
2112 /*
2113 * Implement the SIOCGIFCONF ioctl
2114 */
2115
2116 static int
2117 linux_ifconf(struct thread *td, struct ifconf *uifc)
2118 {
2119 #ifdef COMPAT_LINUX32
2120 struct l_ifconf ifc;
2121 #else
2122 struct ifconf ifc;
2123 #endif
2124 struct l_ifreq ifr;
2125 struct ifnet *ifp;
2126 struct ifaddr *ifa;
2127 struct sbuf *sb;
2128 int error, ethno, full = 0, valid_len, max_len;
2129
2130 error = copyin(uifc, &ifc, sizeof(ifc));
2131 if (error != 0)
2132 return (error);
2133
2134 max_len = MAXPHYS - 1;
2135
2136 /* handle the 'request buffer size' case */
2137 if (ifc.ifc_buf == PTROUT(NULL)) {
2138 ifc.ifc_len = 0;
2139 TAILQ_FOREACH(ifp, &ifnet, if_link) {
2140 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2141 struct sockaddr *sa = ifa->ifa_addr;
2142 if (sa->sa_family == AF_INET)
2143 ifc.ifc_len += sizeof(ifr);
2144 }
2145 }
2146 error = copyout(&ifc, uifc, sizeof(ifc));
2147 return (error);
2148 }
2149
2150 if (ifc.ifc_len <= 0)
2151 return (EINVAL);
2152
2153 again:
2154 /* Keep track of eth interfaces */
2155 ethno = 0;
2156 if (ifc.ifc_len <= max_len) {
2157 max_len = ifc.ifc_len;
2158 full = 1;
2159 }
2160 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN);
2161 max_len = 0;
2162 valid_len = 0;
2163
2164 /* Return all AF_INET addresses of all interfaces */
2165 IFNET_RLOCK(); /* could sleep XXX */
2166 TAILQ_FOREACH(ifp, &ifnet, if_link) {
2167 int addrs = 0;
2168
2169 bzero(&ifr, sizeof(ifr));
2170 if (IFP_IS_ETH(ifp))
2171 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d",
2172 ethno++);
2173 else
2174 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ);
2175
2176 /* Walk the address list */
2177 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2178 struct sockaddr *sa = ifa->ifa_addr;
2179
2180 if (sa->sa_family == AF_INET) {
2181 ifr.ifr_addr.sa_family = LINUX_AF_INET;
2182 memcpy(ifr.ifr_addr.sa_data, sa->sa_data,
2183 sizeof(ifr.ifr_addr.sa_data));
2184 sbuf_bcat(sb, &ifr, sizeof(ifr));
2185 max_len += sizeof(ifr);
2186 addrs++;
2187 }
2188
2189 if (!sbuf_overflowed(sb))
2190 valid_len = sbuf_len(sb);
2191 }
2192 if (addrs == 0) {
2193 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
2194 sbuf_bcat(sb, &ifr, sizeof(ifr));
2195 max_len += sizeof(ifr);
2196
2197 if (!sbuf_overflowed(sb))
2198 valid_len = sbuf_len(sb);
2199 }
2200 }
2201 IFNET_RUNLOCK();
2202
2203 if (valid_len != max_len && !full) {
2204 sbuf_delete(sb);
2205 goto again;
2206 }
2207
2208 ifc.ifc_len = valid_len;
2209 sbuf_finish(sb);
2210 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len);
2211 if (error == 0)
2212 error = copyout(&ifc, uifc, sizeof(ifc));
2213 sbuf_delete(sb);
2214
2215 return (error);
2216 }
2217
2218 static int
2219 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr)
2220 {
2221 l_short flags;
2222
2223 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff;
2224 /* these flags have no Linux equivalent */
2225 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX|
2226 IFF_LINK0|IFF_LINK1|IFF_LINK2);
2227 /* Linux' multicast flag is in a different bit */
2228 if (flags & IFF_MULTICAST) {
2229 flags &= ~IFF_MULTICAST;
2230 flags |= 0x1000;
2231 }
2232
2233 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags)));
2234 }
2235
2236 #define ARPHRD_ETHER 1
2237 #define ARPHRD_LOOPBACK 772
2238
2239 static int
2240 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr)
2241 {
2242 struct ifaddr *ifa;
2243 struct sockaddr_dl *sdl;
2244 struct l_sockaddr lsa;
2245
2246 if (ifp->if_type == IFT_LOOP) {
2247 bzero(&lsa, sizeof(lsa));
2248 lsa.sa_family = ARPHRD_LOOPBACK;
2249 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2250 }
2251
2252 if (ifp->if_type != IFT_ETHER)
2253 return (ENOENT);
2254
2255 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
2256 sdl = (struct sockaddr_dl*)ifa->ifa_addr;
2257 if (sdl != NULL && (sdl->sdl_family == AF_LINK) &&
2258 (sdl->sdl_type == IFT_ETHER)) {
2259 bzero(&lsa, sizeof(lsa));
2260 lsa.sa_family = ARPHRD_ETHER;
2261 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN);
2262 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa)));
2263 }
2264 }
2265
2266 return (ENOENT);
2267 }
2268
2269
2270 /*
2271 * If we fault in bsd_to_linux_ifreq() then we will fault when we call
2272 * the native ioctl(). Thus, we don't really need to check the return
2273 * value of this function.
2274 */
2275 static int
2276 bsd_to_linux_ifreq(struct ifreq *arg)
2277 {
2278 struct ifreq ifr;
2279 size_t ifr_len = sizeof(struct ifreq);
2280 int error;
2281
2282 if ((error = copyin(arg, &ifr, ifr_len)))
2283 return (error);
2284
2285 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family;
2286
2287 error = copyout(&ifr, arg, ifr_len);
2288
2289 return (error);
2290 }
2291
2292 /*
2293 * Socket related ioctls
2294 */
2295
2296 static int
2297 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args)
2298 {
2299 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ];
2300 struct ifnet *ifp;
2301 struct file *fp;
2302 int error, type;
2303
2304 ifp = NULL;
2305 error = 0;
2306
2307 if ((error = fget(td, args->fd, &fp)) != 0)
2308 return (error);
2309 type = fp->f_type;
2310 fdrop(fp, td);
2311 if (type != DTYPE_SOCKET) {
2312 /* not a socket - probably a tap / vmnet device */
2313 switch (args->cmd) {
2314 case LINUX_SIOCGIFADDR:
2315 case LINUX_SIOCSIFADDR:
2316 case LINUX_SIOCGIFFLAGS:
2317 return (linux_ioctl_special(td, args));
2318 default:
2319 return (ENOIOCTL);
2320 }
2321 }
2322
2323 switch (args->cmd & 0xffff) {
2324
2325 case LINUX_FIOGETOWN:
2326 case LINUX_FIOSETOWN:
2327 case LINUX_SIOCADDMULTI:
2328 case LINUX_SIOCATMARK:
2329 case LINUX_SIOCDELMULTI:
2330 case LINUX_SIOCGIFCONF:
2331 case LINUX_SIOCGPGRP:
2332 case LINUX_SIOCSPGRP:
2333 case LINUX_SIOCGIFCOUNT:
2334 /* these ioctls don't take an interface name */
2335 #ifdef DEBUG
2336 printf("%s(): ioctl %d\n", __func__,
2337 args->cmd & 0xffff);
2338 #endif
2339 break;
2340
2341 case LINUX_SIOCGIFFLAGS:
2342 case LINUX_SIOCGIFADDR:
2343 case LINUX_SIOCSIFADDR:
2344 case LINUX_SIOCGIFDSTADDR:
2345 case LINUX_SIOCGIFBRDADDR:
2346 case LINUX_SIOCGIFNETMASK:
2347 case LINUX_SIOCSIFNETMASK:
2348 case LINUX_SIOCGIFMTU:
2349 case LINUX_SIOCSIFMTU:
2350 case LINUX_SIOCSIFNAME:
2351 case LINUX_SIOCGIFHWADDR:
2352 case LINUX_SIOCSIFHWADDR:
2353 case LINUX_SIOCDEVPRIVATE:
2354 case LINUX_SIOCDEVPRIVATE+1:
2355 case LINUX_SIOCGIFINDEX:
2356 /* copy in the interface name and translate it. */
2357 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ);
2358 if (error != 0)
2359 return (error);
2360 #ifdef DEBUG
2361 printf("%s(): ioctl %d on %.*s\n", __func__,
2362 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
2363 #endif
2364 ifp = ifname_linux_to_bsd(lifname, ifname);
2365 if (ifp == NULL)
2366 return (EINVAL);
2367 /*
2368 * We need to copy it back out in case we pass the
2369 * request on to our native ioctl(), which will expect
2370 * the ifreq to be in user space and have the correct
2371 * interface name.
2372 */
2373 error = copyout(ifname, (void *)args->arg, IFNAMSIZ);
2374 if (error != 0)
2375 return (error);
2376 #ifdef DEBUG
2377 printf("%s(): %s translated to %s\n", __func__,
2378 lifname, ifname);
2379 #endif
2380 break;
2381
2382 default:
2383 return (ENOIOCTL);
2384 }
2385
2386 switch (args->cmd & 0xffff) {
2387
2388 case LINUX_FIOSETOWN:
2389 args->cmd = FIOSETOWN;
2390 error = ioctl(td, (struct ioctl_args *)args);
2391 break;
2392
2393 case LINUX_SIOCSPGRP:
2394 args->cmd = SIOCSPGRP;
2395 error = ioctl(td, (struct ioctl_args *)args);
2396 break;
2397
2398 case LINUX_FIOGETOWN:
2399 args->cmd = FIOGETOWN;
2400 error = ioctl(td, (struct ioctl_args *)args);
2401 break;
2402
2403 case LINUX_SIOCGPGRP:
2404 args->cmd = SIOCGPGRP;
2405 error = ioctl(td, (struct ioctl_args *)args);
2406 break;
2407
2408 case LINUX_SIOCATMARK:
2409 args->cmd = SIOCATMARK;
2410 error = ioctl(td, (struct ioctl_args *)args);
2411 break;
2412
2413 /* LINUX_SIOCGSTAMP */
2414
2415 case LINUX_SIOCGIFCONF:
2416 error = linux_ifconf(td, (struct ifconf *)args->arg);
2417 break;
2418
2419 case LINUX_SIOCGIFFLAGS:
2420 args->cmd = SIOCGIFFLAGS;
2421 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg);
2422 break;
2423
2424 case LINUX_SIOCGIFADDR:
2425 args->cmd = SIOCGIFADDR;
2426 error = ioctl(td, (struct ioctl_args *)args);
2427 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2428 break;
2429
2430 case LINUX_SIOCSIFADDR:
2431 /* XXX probably doesn't work, included for completeness */
2432 args->cmd = SIOCSIFADDR;
2433 error = ioctl(td, (struct ioctl_args *)args);
2434 break;
2435
2436 case LINUX_SIOCGIFDSTADDR:
2437 args->cmd = SIOCGIFDSTADDR;
2438 error = ioctl(td, (struct ioctl_args *)args);
2439 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2440 break;
2441
2442 case LINUX_SIOCGIFBRDADDR:
2443 args->cmd = SIOCGIFBRDADDR;
2444 error = ioctl(td, (struct ioctl_args *)args);
2445 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2446 break;
2447
2448 case LINUX_SIOCGIFNETMASK:
2449 args->cmd = SIOCGIFNETMASK;
2450 error = ioctl(td, (struct ioctl_args *)args);
2451 bsd_to_linux_ifreq((struct ifreq *)args->arg);
2452 break;
2453
2454 case LINUX_SIOCSIFNETMASK:
2455 error = ENOIOCTL;
2456 break;
2457
2458 case LINUX_SIOCGIFMTU:
2459 args->cmd = SIOCGIFMTU;
2460 error = ioctl(td, (struct ioctl_args *)args);
2461 break;
2462
2463 case LINUX_SIOCSIFMTU:
2464 args->cmd = SIOCSIFMTU;
2465 error = ioctl(td, (struct ioctl_args *)args);
2466 break;
2467
2468 case LINUX_SIOCSIFNAME:
2469 error = ENOIOCTL;
2470 break;
2471
2472 case LINUX_SIOCGIFHWADDR:
2473 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg);
2474 break;
2475
2476 case LINUX_SIOCSIFHWADDR:
2477 error = ENOIOCTL;
2478 break;
2479
2480 case LINUX_SIOCADDMULTI:
2481 args->cmd = SIOCADDMULTI;
2482 error = ioctl(td, (struct ioctl_args *)args);
2483 break;
2484
2485 case LINUX_SIOCDELMULTI:
2486 args->cmd = SIOCDELMULTI;
2487 error = ioctl(td, (struct ioctl_args *)args);
2488 break;
2489
2490 case LINUX_SIOCGIFINDEX:
2491 args->cmd = SIOCGIFINDEX;
2492 error = ioctl(td, (struct ioctl_args *)args);
2493 break;
2494
2495 case LINUX_SIOCGIFCOUNT:
2496 error = 0;
2497 break;
2498
2499 /*
2500 * XXX This is slightly bogus, but these ioctls are currently
2501 * XXX only used by the aironet (if_an) network driver.
2502 */
2503 case LINUX_SIOCDEVPRIVATE:
2504 args->cmd = SIOCGPRIVATE_0;
2505 error = ioctl(td, (struct ioctl_args *)args);
2506 break;
2507
2508 case LINUX_SIOCDEVPRIVATE+1:
2509 args->cmd = SIOCGPRIVATE_1;
2510 error = ioctl(td, (struct ioctl_args *)args);
2511 break;
2512 }
2513
2514 if (ifp != NULL)
2515 /* restore the original interface name */
2516 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ);
2517
2518 #ifdef DEBUG
2519 printf("%s(): returning %d\n", __func__, error);
2520 #endif
2521 return (error);
2522 }
2523
2524 /*
2525 * Device private ioctl handler
2526 */
2527 static int
2528 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args)
2529 {
2530 struct file *fp;
2531 int error, type;
2532
2533 if ((error = fget(td, args->fd, &fp)) != 0)
2534 return (error);
2535 type = fp->f_type;
2536 fdrop(fp, td);
2537 if (type == DTYPE_SOCKET)
2538 return (linux_ioctl_socket(td, args));
2539 return (ENOIOCTL);
2540 }
2541
2542 /*
2543 * DRM ioctl handler (sys/dev/drm)
2544 */
2545 static int
2546 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args)
2547 {
2548 args->cmd = SETDIR(args->cmd);
2549 return ioctl(td, (struct ioctl_args *)args);
2550 }
2551
2552 static int
2553 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args)
2554 {
2555 struct file *fp;
2556 u_long cmd;
2557 int error;
2558
2559 if ((error = fget(td, args->fd, &fp)) != 0) {
2560 printf("sg_linux_ioctl: fget returned %d\n", error);
2561 return (error);
2562 }
2563 cmd = args->cmd;
2564
2565 error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td));
2566 fdrop(fp, td);
2567 return (error);
2568 }
2569
2570 /*
2571 * Special ioctl handler
2572 */
2573 static int
2574 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args)
2575 {
2576 int error;
2577
2578 switch (args->cmd) {
2579 case LINUX_SIOCGIFADDR:
2580 args->cmd = SIOCGIFADDR;
2581 error = ioctl(td, (struct ioctl_args *)args);
2582 break;
2583 case LINUX_SIOCSIFADDR:
2584 args->cmd = SIOCSIFADDR;
2585 error = ioctl(td, (struct ioctl_args *)args);
2586 break;
2587 case LINUX_SIOCGIFFLAGS:
2588 args->cmd = SIOCGIFFLAGS;
2589 error = ioctl(td, (struct ioctl_args *)args);
2590 break;
2591 default:
2592 error = ENOIOCTL;
2593 }
2594
2595 return (error);
2596 }
2597
2598 /*
2599 * main ioctl syscall function
2600 */
2601
2602 int
2603 linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
2604 {
2605 struct file *fp;
2606 struct handler_element *he;
2607 int error, cmd;
2608
2609 #ifdef DEBUG
2610 if (ldebug(ioctl))
2611 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd,
2612 (unsigned long)args->cmd);
2613 #endif
2614
2615 if ((error = fget(td, args->fd, &fp)) != 0)
2616 return (error);
2617 if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
2618 fdrop(fp, td);
2619 return (EBADF);
2620 }
2621
2622 /* Iterate over the ioctl handlers */
2623 cmd = args->cmd & 0xffff;
2624 sx_slock(&linux_ioctl_sx);
2625 mtx_lock(&Giant);
2626 TAILQ_FOREACH(he, &handlers, list) {
2627 if (cmd >= he->low && cmd <= he->high) {
2628 error = (*he->func)(td, args);
2629 if (error != ENOIOCTL) {
2630 mtx_unlock(&Giant);
2631 sx_sunlock(&linux_ioctl_sx);
2632 fdrop(fp, td);
2633 return (error);
2634 }
2635 }
2636 }
2637 mtx_unlock(&Giant);
2638 sx_sunlock(&linux_ioctl_sx);
2639 fdrop(fp, td);
2640
2641 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented",
2642 args->fd, (int)(args->cmd & 0xffff),
2643 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff));
2644
2645 return (EINVAL);
2646 }
2647
2648 int
2649 linux_ioctl_register_handler(struct linux_ioctl_handler *h)
2650 {
2651 struct handler_element *he, *cur;
2652
2653 if (h == NULL || h->func == NULL)
2654 return (EINVAL);
2655
2656 /*
2657 * Reuse the element if the handler is already on the list, otherwise
2658 * create a new element.
2659 */
2660 sx_xlock(&linux_ioctl_sx);
2661 TAILQ_FOREACH(he, &handlers, list) {
2662 if (he->func == h->func)
2663 break;
2664 }
2665 if (he == NULL) {
2666 MALLOC(he, struct handler_element *, sizeof(*he),
2667 M_LINUX, M_WAITOK);
2668 he->func = h->func;
2669 } else
2670 TAILQ_REMOVE(&handlers, he, list);
2671
2672 /* Initialize range information. */
2673 he->low = h->low;
2674 he->high = h->high;
2675 he->span = h->high - h->low + 1;
2676
2677 /* Add the element to the list, sorted on span. */
2678 TAILQ_FOREACH(cur, &handlers, list) {
2679 if (cur->span > he->span) {
2680 TAILQ_INSERT_BEFORE(cur, he, list);
2681 sx_xunlock(&linux_ioctl_sx);
2682 return (0);
2683 }
2684 }
2685 TAILQ_INSERT_TAIL(&handlers, he, list);
2686 sx_xunlock(&linux_ioctl_sx);
2687
2688 return (0);
2689 }
2690
2691 int
2692 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h)
2693 {
2694 struct handler_element *he;
2695
2696 if (h == NULL || h->func == NULL)
2697 return (EINVAL);
2698
2699 sx_xlock(&linux_ioctl_sx);
2700 TAILQ_FOREACH(he, &handlers, list) {
2701 if (he->func == h->func) {
2702 TAILQ_REMOVE(&handlers, he, list);
2703 sx_xunlock(&linux_ioctl_sx);
2704 FREE(he, M_LINUX);
2705 return (0);
2706 }
2707 }
2708 sx_xunlock(&linux_ioctl_sx);
2709
2710 return (EINVAL);
2711 }
Cache object: 5eb9d958fa03111eaeb854374bb36f72
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