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 <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 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/linker_set.h> 47 #include <sys/malloc.h> 48 #include <sys/proc.h> 49 #include <sys/socket.h> 50 #include <sys/sockio.h> 51 #include <sys/soundcard.h> 52 #include <sys/tty.h> 53 #include <sys/uio.h> 54 #include <net/if.h> 55 #include <net/if_dl.h> 56 #include <net/if_types.h> 57 58 #include <machine/../linux/linux.h> 59 #include <machine/../linux/linux_proto.h> 60 61 #include <compat/linux/linux_ioctl.h> 62 #include <compat/linux/linux_mib.h> 63 #include <compat/linux/linux_util.h> 64 65 static linux_ioctl_function_t linux_ioctl_cdrom; 66 static linux_ioctl_function_t linux_ioctl_vfat; 67 static linux_ioctl_function_t linux_ioctl_console; 68 static linux_ioctl_function_t linux_ioctl_disk; 69 static linux_ioctl_function_t linux_ioctl_socket; 70 static linux_ioctl_function_t linux_ioctl_sound; 71 static linux_ioctl_function_t linux_ioctl_termio; 72 static linux_ioctl_function_t linux_ioctl_private; 73 static linux_ioctl_function_t linux_ioctl_drm; 74 static linux_ioctl_function_t linux_ioctl_special; 75 76 static struct linux_ioctl_handler cdrom_handler = 77 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 78 static struct linux_ioctl_handler vfat_handler = 79 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 80 static struct linux_ioctl_handler console_handler = 81 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 82 static struct linux_ioctl_handler disk_handler = 83 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 84 static struct linux_ioctl_handler socket_handler = 85 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 86 static struct linux_ioctl_handler sound_handler = 87 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 88 static struct linux_ioctl_handler termio_handler = 89 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 90 static struct linux_ioctl_handler private_handler = 91 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 92 static struct linux_ioctl_handler drm_handler = 93 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 94 95 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 96 DATA_SET(linux_ioctl_handler_set, vfat_handler); 97 DATA_SET(linux_ioctl_handler_set, console_handler); 98 DATA_SET(linux_ioctl_handler_set, disk_handler); 99 DATA_SET(linux_ioctl_handler_set, socket_handler); 100 DATA_SET(linux_ioctl_handler_set, sound_handler); 101 DATA_SET(linux_ioctl_handler_set, termio_handler); 102 DATA_SET(linux_ioctl_handler_set, private_handler); 103 DATA_SET(linux_ioctl_handler_set, drm_handler); 104 105 struct handler_element 106 { 107 TAILQ_ENTRY(handler_element) list; 108 int (*func)(struct thread *, struct linux_ioctl_args *); 109 int low, high, span; 110 }; 111 112 static TAILQ_HEAD(, handler_element) handlers = 113 TAILQ_HEAD_INITIALIZER(handlers); 114 115 static int 116 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 117 { 118 struct file *fp; 119 int error; 120 u_int sectorsize; 121 off_t mediasize; 122 123 if ((error = fget(td, args->fd, &fp)) != 0) 124 return (error); 125 switch (args->cmd & 0xffff) { 126 case LINUX_BLKGETSIZE: 127 error = fo_ioctl(fp, DIOCGSECTORSIZE, 128 (caddr_t)§orsize, td->td_ucred, td); 129 if (!error) 130 error = fo_ioctl(fp, DIOCGMEDIASIZE, 131 (caddr_t)&mediasize, td->td_ucred, td); 132 fdrop(fp, td); 133 if (error) 134 return (error); 135 sectorsize = mediasize / sectorsize; 136 /* 137 * XXX: How do we know we return the right size of integer ? 138 */ 139 return (copyout(§orsize, (void *)args->arg, 140 sizeof(sectorsize))); 141 } 142 fdrop(fp, td); 143 return (ENOIOCTL); 144 } 145 146 /* 147 * termio related ioctls 148 */ 149 150 struct linux_termio { 151 unsigned short c_iflag; 152 unsigned short c_oflag; 153 unsigned short c_cflag; 154 unsigned short c_lflag; 155 unsigned char c_line; 156 unsigned char c_cc[LINUX_NCC]; 157 }; 158 159 struct linux_termios { 160 unsigned int c_iflag; 161 unsigned int c_oflag; 162 unsigned int c_cflag; 163 unsigned int c_lflag; 164 #ifdef __alpha__ 165 unsigned char c_cc[LINUX_NCCS]; 166 unsigned char c_line; 167 unsigned int c_ispeed; 168 unsigned int c_ospeed; 169 #else 170 unsigned char c_line; 171 unsigned char c_cc[LINUX_NCCS]; 172 #endif 173 }; 174 175 struct linux_winsize { 176 unsigned short ws_row, ws_col; 177 unsigned short ws_xpixel, ws_ypixel; 178 }; 179 180 static struct speedtab sptab[] = { 181 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 182 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 183 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 184 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 185 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 186 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 187 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 188 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 189 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 190 {-1, -1 } 191 }; 192 193 struct linux_serial_struct { 194 int type; 195 int line; 196 int port; 197 int irq; 198 int flags; 199 int xmit_fifo_size; 200 int custom_divisor; 201 int baud_base; 202 unsigned short close_delay; 203 char reserved_char[2]; 204 int hub6; 205 unsigned short closing_wait; 206 unsigned short closing_wait2; 207 int reserved[4]; 208 }; 209 210 static int 211 linux_to_bsd_speed(int code, struct speedtab *table) 212 { 213 for ( ; table->sp_code != -1; table++) 214 if (table->sp_code == code) 215 return (table->sp_speed); 216 return -1; 217 } 218 219 static int 220 bsd_to_linux_speed(int speed, struct speedtab *table) 221 { 222 for ( ; table->sp_speed != -1; table++) 223 if (table->sp_speed == speed) 224 return (table->sp_code); 225 return -1; 226 } 227 228 static void 229 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 230 { 231 int i; 232 233 #ifdef DEBUG 234 if (ldebug(ioctl)) { 235 printf("LINUX: BSD termios structure (input):\n"); 236 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 237 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 238 bios->c_ispeed, bios->c_ospeed); 239 printf("c_cc "); 240 for (i=0; i<NCCS; i++) 241 printf("%02x ", bios->c_cc[i]); 242 printf("\n"); 243 } 244 #endif 245 246 lios->c_iflag = 0; 247 if (bios->c_iflag & IGNBRK) 248 lios->c_iflag |= LINUX_IGNBRK; 249 if (bios->c_iflag & BRKINT) 250 lios->c_iflag |= LINUX_BRKINT; 251 if (bios->c_iflag & IGNPAR) 252 lios->c_iflag |= LINUX_IGNPAR; 253 if (bios->c_iflag & PARMRK) 254 lios->c_iflag |= LINUX_PARMRK; 255 if (bios->c_iflag & INPCK) 256 lios->c_iflag |= LINUX_INPCK; 257 if (bios->c_iflag & ISTRIP) 258 lios->c_iflag |= LINUX_ISTRIP; 259 if (bios->c_iflag & INLCR) 260 lios->c_iflag |= LINUX_INLCR; 261 if (bios->c_iflag & IGNCR) 262 lios->c_iflag |= LINUX_IGNCR; 263 if (bios->c_iflag & ICRNL) 264 lios->c_iflag |= LINUX_ICRNL; 265 if (bios->c_iflag & IXON) 266 lios->c_iflag |= LINUX_IXON; 267 if (bios->c_iflag & IXANY) 268 lios->c_iflag |= LINUX_IXANY; 269 if (bios->c_iflag & IXOFF) 270 lios->c_iflag |= LINUX_IXOFF; 271 if (bios->c_iflag & IMAXBEL) 272 lios->c_iflag |= LINUX_IMAXBEL; 273 274 lios->c_oflag = 0; 275 if (bios->c_oflag & OPOST) 276 lios->c_oflag |= LINUX_OPOST; 277 if (bios->c_oflag & ONLCR) 278 lios->c_oflag |= LINUX_ONLCR; 279 if (bios->c_oflag & OXTABS) 280 lios->c_oflag |= LINUX_XTABS; 281 282 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 283 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 284 if (bios->c_cflag & CSTOPB) 285 lios->c_cflag |= LINUX_CSTOPB; 286 if (bios->c_cflag & CREAD) 287 lios->c_cflag |= LINUX_CREAD; 288 if (bios->c_cflag & PARENB) 289 lios->c_cflag |= LINUX_PARENB; 290 if (bios->c_cflag & PARODD) 291 lios->c_cflag |= LINUX_PARODD; 292 if (bios->c_cflag & HUPCL) 293 lios->c_cflag |= LINUX_HUPCL; 294 if (bios->c_cflag & CLOCAL) 295 lios->c_cflag |= LINUX_CLOCAL; 296 if (bios->c_cflag & CRTSCTS) 297 lios->c_cflag |= LINUX_CRTSCTS; 298 299 lios->c_lflag = 0; 300 if (bios->c_lflag & ISIG) 301 lios->c_lflag |= LINUX_ISIG; 302 if (bios->c_lflag & ICANON) 303 lios->c_lflag |= LINUX_ICANON; 304 if (bios->c_lflag & ECHO) 305 lios->c_lflag |= LINUX_ECHO; 306 if (bios->c_lflag & ECHOE) 307 lios->c_lflag |= LINUX_ECHOE; 308 if (bios->c_lflag & ECHOK) 309 lios->c_lflag |= LINUX_ECHOK; 310 if (bios->c_lflag & ECHONL) 311 lios->c_lflag |= LINUX_ECHONL; 312 if (bios->c_lflag & NOFLSH) 313 lios->c_lflag |= LINUX_NOFLSH; 314 if (bios->c_lflag & TOSTOP) 315 lios->c_lflag |= LINUX_TOSTOP; 316 if (bios->c_lflag & ECHOCTL) 317 lios->c_lflag |= LINUX_ECHOCTL; 318 if (bios->c_lflag & ECHOPRT) 319 lios->c_lflag |= LINUX_ECHOPRT; 320 if (bios->c_lflag & ECHOKE) 321 lios->c_lflag |= LINUX_ECHOKE; 322 if (bios->c_lflag & FLUSHO) 323 lios->c_lflag |= LINUX_FLUSHO; 324 if (bios->c_lflag & PENDIN) 325 lios->c_lflag |= LINUX_PENDIN; 326 if (bios->c_lflag & IEXTEN) 327 lios->c_lflag |= LINUX_IEXTEN; 328 329 for (i=0; i<LINUX_NCCS; i++) 330 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 331 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 332 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 333 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 334 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 335 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 336 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 337 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 338 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 339 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 340 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 341 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 342 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 343 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 344 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 345 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 346 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 347 348 for (i=0; i<LINUX_NCCS; i++) { 349 if (i != LINUX_VMIN && i != LINUX_VTIME && 350 lios->c_cc[i] == _POSIX_VDISABLE) 351 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 352 } 353 lios->c_line = 0; 354 355 #ifdef DEBUG 356 if (ldebug(ioctl)) { 357 printf("LINUX: LINUX termios structure (output):\n"); 358 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 359 lios->c_iflag, lios->c_oflag, lios->c_cflag, 360 lios->c_lflag, (int)lios->c_line); 361 printf("c_cc "); 362 for (i=0; i<LINUX_NCCS; i++) 363 printf("%02x ", lios->c_cc[i]); 364 printf("\n"); 365 } 366 #endif 367 } 368 369 static void 370 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 371 { 372 int i; 373 374 #ifdef DEBUG 375 if (ldebug(ioctl)) { 376 printf("LINUX: LINUX termios structure (input):\n"); 377 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 378 lios->c_iflag, lios->c_oflag, lios->c_cflag, 379 lios->c_lflag, (int)lios->c_line); 380 printf("c_cc "); 381 for (i=0; i<LINUX_NCCS; i++) 382 printf("%02x ", lios->c_cc[i]); 383 printf("\n"); 384 } 385 #endif 386 387 bios->c_iflag = 0; 388 if (lios->c_iflag & LINUX_IGNBRK) 389 bios->c_iflag |= IGNBRK; 390 if (lios->c_iflag & LINUX_BRKINT) 391 bios->c_iflag |= BRKINT; 392 if (lios->c_iflag & LINUX_IGNPAR) 393 bios->c_iflag |= IGNPAR; 394 if (lios->c_iflag & LINUX_PARMRK) 395 bios->c_iflag |= PARMRK; 396 if (lios->c_iflag & LINUX_INPCK) 397 bios->c_iflag |= INPCK; 398 if (lios->c_iflag & LINUX_ISTRIP) 399 bios->c_iflag |= ISTRIP; 400 if (lios->c_iflag & LINUX_INLCR) 401 bios->c_iflag |= INLCR; 402 if (lios->c_iflag & LINUX_IGNCR) 403 bios->c_iflag |= IGNCR; 404 if (lios->c_iflag & LINUX_ICRNL) 405 bios->c_iflag |= ICRNL; 406 if (lios->c_iflag & LINUX_IXON) 407 bios->c_iflag |= IXON; 408 if (lios->c_iflag & LINUX_IXANY) 409 bios->c_iflag |= IXANY; 410 if (lios->c_iflag & LINUX_IXOFF) 411 bios->c_iflag |= IXOFF; 412 if (lios->c_iflag & LINUX_IMAXBEL) 413 bios->c_iflag |= IMAXBEL; 414 415 bios->c_oflag = 0; 416 if (lios->c_oflag & LINUX_OPOST) 417 bios->c_oflag |= OPOST; 418 if (lios->c_oflag & LINUX_ONLCR) 419 bios->c_oflag |= ONLCR; 420 if (lios->c_oflag & LINUX_XTABS) 421 bios->c_oflag |= OXTABS; 422 423 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 424 if (lios->c_cflag & LINUX_CSTOPB) 425 bios->c_cflag |= CSTOPB; 426 if (lios->c_cflag & LINUX_CREAD) 427 bios->c_cflag |= CREAD; 428 if (lios->c_cflag & LINUX_PARENB) 429 bios->c_cflag |= PARENB; 430 if (lios->c_cflag & LINUX_PARODD) 431 bios->c_cflag |= PARODD; 432 if (lios->c_cflag & LINUX_HUPCL) 433 bios->c_cflag |= HUPCL; 434 if (lios->c_cflag & LINUX_CLOCAL) 435 bios->c_cflag |= CLOCAL; 436 if (lios->c_cflag & LINUX_CRTSCTS) 437 bios->c_cflag |= CRTSCTS; 438 439 bios->c_lflag = 0; 440 if (lios->c_lflag & LINUX_ISIG) 441 bios->c_lflag |= ISIG; 442 if (lios->c_lflag & LINUX_ICANON) 443 bios->c_lflag |= ICANON; 444 if (lios->c_lflag & LINUX_ECHO) 445 bios->c_lflag |= ECHO; 446 if (lios->c_lflag & LINUX_ECHOE) 447 bios->c_lflag |= ECHOE; 448 if (lios->c_lflag & LINUX_ECHOK) 449 bios->c_lflag |= ECHOK; 450 if (lios->c_lflag & LINUX_ECHONL) 451 bios->c_lflag |= ECHONL; 452 if (lios->c_lflag & LINUX_NOFLSH) 453 bios->c_lflag |= NOFLSH; 454 if (lios->c_lflag & LINUX_TOSTOP) 455 bios->c_lflag |= TOSTOP; 456 if (lios->c_lflag & LINUX_ECHOCTL) 457 bios->c_lflag |= ECHOCTL; 458 if (lios->c_lflag & LINUX_ECHOPRT) 459 bios->c_lflag |= ECHOPRT; 460 if (lios->c_lflag & LINUX_ECHOKE) 461 bios->c_lflag |= ECHOKE; 462 if (lios->c_lflag & LINUX_FLUSHO) 463 bios->c_lflag |= FLUSHO; 464 if (lios->c_lflag & LINUX_PENDIN) 465 bios->c_lflag |= PENDIN; 466 if (lios->c_lflag & LINUX_IEXTEN) 467 bios->c_lflag |= IEXTEN; 468 469 for (i=0; i<NCCS; i++) 470 bios->c_cc[i] = _POSIX_VDISABLE; 471 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 472 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 473 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 474 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 475 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 476 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 477 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 478 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 479 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 480 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 481 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 482 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 483 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 484 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 485 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 486 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 487 488 for (i=0; i<NCCS; i++) { 489 if (i != VMIN && i != VTIME && 490 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 491 bios->c_cc[i] = _POSIX_VDISABLE; 492 } 493 494 bios->c_ispeed = bios->c_ospeed = 495 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 496 497 #ifdef DEBUG 498 if (ldebug(ioctl)) { 499 printf("LINUX: BSD termios structure (output):\n"); 500 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 501 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 502 bios->c_ispeed, bios->c_ospeed); 503 printf("c_cc "); 504 for (i=0; i<NCCS; i++) 505 printf("%02x ", bios->c_cc[i]); 506 printf("\n"); 507 } 508 #endif 509 } 510 511 static void 512 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 513 { 514 struct linux_termios lios; 515 516 bsd_to_linux_termios(bios, &lios); 517 lio->c_iflag = lios.c_iflag; 518 lio->c_oflag = lios.c_oflag; 519 lio->c_cflag = lios.c_cflag; 520 lio->c_lflag = lios.c_lflag; 521 lio->c_line = lios.c_line; 522 #ifdef __alpha__ 523 lio->c_cc[LINUX__VINTR] = lios.c_cc[LINUX_VINTR]; 524 lio->c_cc[LINUX__VQUIT] = lios.c_cc[LINUX_VQUIT]; 525 lio->c_cc[LINUX__VERASE] = lios.c_cc[LINUX_VERASE]; 526 lio->c_cc[LINUX__VKILL] = lios.c_cc[LINUX_VKILL]; 527 lio->c_cc[LINUX__VEOF] = 528 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN]; 529 lio->c_cc[LINUX__VEOL] = 530 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME]; 531 lio->c_cc[LINUX__VEOL2] = lios.c_cc[LINUX_VEOL2]; 532 lio->c_cc[LINUX__VSWTC] = lios.c_cc[LINUX_VSWTC]; 533 #else 534 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 535 #endif 536 } 537 538 static void 539 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 540 { 541 struct linux_termios lios; 542 int i; 543 544 lios.c_iflag = lio->c_iflag; 545 lios.c_oflag = lio->c_oflag; 546 lios.c_cflag = lio->c_cflag; 547 lios.c_lflag = lio->c_lflag; 548 #ifdef __alpha__ 549 for (i=0; i<LINUX_NCCS; i++) 550 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 551 lios.c_cc[LINUX_VINTR] = lio->c_cc[LINUX__VINTR]; 552 lios.c_cc[LINUX_VQUIT] = lio->c_cc[LINUX__VQUIT]; 553 lios.c_cc[LINUX_VERASE] = lio->c_cc[LINUX__VERASE]; 554 lios.c_cc[LINUX_VKILL] = lio->c_cc[LINUX__VKILL]; 555 lios.c_cc[LINUX_VEOL2] = lio->c_cc[LINUX__VEOL2]; 556 lios.c_cc[LINUX_VSWTC] = lio->c_cc[LINUX__VSWTC]; 557 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN] = 558 lio->c_cc[LINUX__VEOF]; 559 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME] = 560 lio->c_cc[LINUX__VEOL]; 561 #else 562 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 563 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 564 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 565 #endif 566 linux_to_bsd_termios(&lios, bios); 567 } 568 569 static int 570 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 571 { 572 struct termios bios; 573 struct linux_termios lios; 574 struct linux_termio lio; 575 struct file *fp; 576 int error; 577 578 if ((error = fget(td, args->fd, &fp)) != 0) 579 return (error); 580 581 switch (args->cmd & 0xffff) { 582 583 case LINUX_TCGETS: 584 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 585 td); 586 if (error) 587 break; 588 bsd_to_linux_termios(&bios, &lios); 589 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 590 break; 591 592 case LINUX_TCSETS: 593 error = copyin((void *)args->arg, &lios, sizeof(lios)); 594 if (error) 595 break; 596 linux_to_bsd_termios(&lios, &bios); 597 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 598 td)); 599 break; 600 601 case LINUX_TCSETSW: 602 error = copyin((void *)args->arg, &lios, sizeof(lios)); 603 if (error) 604 break; 605 linux_to_bsd_termios(&lios, &bios); 606 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 607 td)); 608 break; 609 610 case LINUX_TCSETSF: 611 error = copyin((void *)args->arg, &lios, sizeof(lios)); 612 if (error) 613 break; 614 linux_to_bsd_termios(&lios, &bios); 615 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 616 td)); 617 break; 618 619 case LINUX_TCGETA: 620 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 621 td); 622 if (error) 623 break; 624 bsd_to_linux_termio(&bios, &lio); 625 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 626 break; 627 628 case LINUX_TCSETA: 629 error = copyin((void *)args->arg, &lio, sizeof(lio)); 630 if (error) 631 break; 632 linux_to_bsd_termio(&lio, &bios); 633 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 634 td)); 635 break; 636 637 case LINUX_TCSETAW: 638 error = copyin((void *)args->arg, &lio, sizeof(lio)); 639 if (error) 640 break; 641 linux_to_bsd_termio(&lio, &bios); 642 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 643 td)); 644 break; 645 646 case LINUX_TCSETAF: 647 error = copyin((void *)args->arg, &lio, sizeof(lio)); 648 if (error) 649 break; 650 linux_to_bsd_termio(&lio, &bios); 651 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 652 td)); 653 break; 654 655 /* LINUX_TCSBRK */ 656 657 case LINUX_TCXONC: { 658 switch (args->arg) { 659 case LINUX_TCOOFF: 660 args->cmd = TIOCSTOP; 661 break; 662 case LINUX_TCOON: 663 args->cmd = TIOCSTART; 664 break; 665 case LINUX_TCIOFF: 666 case LINUX_TCION: { 667 int c; 668 struct write_args wr; 669 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 670 td->td_ucred, td); 671 if (error) 672 break; 673 fdrop(fp, td); 674 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 675 c = bios.c_cc[c]; 676 if (c != _POSIX_VDISABLE) { 677 wr.fd = args->fd; 678 wr.buf = &c; 679 wr.nbyte = sizeof(c); 680 return (write(td, &wr)); 681 } else 682 return (0); 683 } 684 default: 685 fdrop(fp, td); 686 return (EINVAL); 687 } 688 args->arg = 0; 689 error = (ioctl(td, (struct ioctl_args *)args)); 690 break; 691 } 692 693 case LINUX_TCFLSH: { 694 args->cmd = TIOCFLUSH; 695 switch (args->arg) { 696 case LINUX_TCIFLUSH: 697 args->arg = FREAD; 698 break; 699 case LINUX_TCOFLUSH: 700 args->arg = FWRITE; 701 break; 702 case LINUX_TCIOFLUSH: 703 args->arg = FREAD | FWRITE; 704 break; 705 default: 706 fdrop(fp, td); 707 return (EINVAL); 708 } 709 error = (ioctl(td, (struct ioctl_args *)args)); 710 break; 711 } 712 713 case LINUX_TIOCEXCL: 714 args->cmd = TIOCEXCL; 715 error = (ioctl(td, (struct ioctl_args *)args)); 716 break; 717 718 case LINUX_TIOCNXCL: 719 args->cmd = TIOCNXCL; 720 error = (ioctl(td, (struct ioctl_args *)args)); 721 break; 722 723 case LINUX_TIOCSCTTY: 724 args->cmd = TIOCSCTTY; 725 error = (ioctl(td, (struct ioctl_args *)args)); 726 break; 727 728 case LINUX_TIOCGPGRP: 729 args->cmd = TIOCGPGRP; 730 error = (ioctl(td, (struct ioctl_args *)args)); 731 break; 732 733 case LINUX_TIOCSPGRP: 734 args->cmd = TIOCSPGRP; 735 error = (ioctl(td, (struct ioctl_args *)args)); 736 break; 737 738 /* LINUX_TIOCOUTQ */ 739 /* LINUX_TIOCSTI */ 740 741 case LINUX_TIOCGWINSZ: 742 args->cmd = TIOCGWINSZ; 743 error = (ioctl(td, (struct ioctl_args *)args)); 744 break; 745 746 case LINUX_TIOCSWINSZ: 747 args->cmd = TIOCSWINSZ; 748 error = (ioctl(td, (struct ioctl_args *)args)); 749 break; 750 751 case LINUX_TIOCMGET: 752 args->cmd = TIOCMGET; 753 error = (ioctl(td, (struct ioctl_args *)args)); 754 break; 755 756 case LINUX_TIOCMBIS: 757 args->cmd = TIOCMBIS; 758 error = (ioctl(td, (struct ioctl_args *)args)); 759 break; 760 761 case LINUX_TIOCMBIC: 762 args->cmd = TIOCMBIC; 763 error = (ioctl(td, (struct ioctl_args *)args)); 764 break; 765 766 case LINUX_TIOCMSET: 767 args->cmd = TIOCMSET; 768 error = (ioctl(td, (struct ioctl_args *)args)); 769 break; 770 771 /* TIOCGSOFTCAR */ 772 /* TIOCSSOFTCAR */ 773 774 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 775 args->cmd = FIONREAD; 776 error = (ioctl(td, (struct ioctl_args *)args)); 777 break; 778 779 /* LINUX_TIOCLINUX */ 780 781 case LINUX_TIOCCONS: 782 args->cmd = TIOCCONS; 783 error = (ioctl(td, (struct ioctl_args *)args)); 784 break; 785 786 case LINUX_TIOCGSERIAL: { 787 struct linux_serial_struct lss; 788 lss.type = LINUX_PORT_16550A; 789 lss.flags = 0; 790 lss.close_delay = 0; 791 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 792 break; 793 } 794 795 case LINUX_TIOCSSERIAL: { 796 struct linux_serial_struct lss; 797 error = copyin((void *)args->arg, &lss, sizeof(lss)); 798 if (error) 799 break; 800 /* XXX - It really helps to have an implementation that 801 * does nothing. NOT! 802 */ 803 error = 0; 804 break; 805 } 806 807 /* LINUX_TIOCPKT */ 808 809 case LINUX_FIONBIO: 810 args->cmd = FIONBIO; 811 error = (ioctl(td, (struct ioctl_args *)args)); 812 break; 813 814 case LINUX_TIOCNOTTY: 815 args->cmd = TIOCNOTTY; 816 error = (ioctl(td, (struct ioctl_args *)args)); 817 break; 818 819 case LINUX_TIOCSETD: { 820 int line; 821 switch (args->arg) { 822 case LINUX_N_TTY: 823 line = TTYDISC; 824 break; 825 case LINUX_N_SLIP: 826 line = SLIPDISC; 827 break; 828 case LINUX_N_PPP: 829 line = PPPDISC; 830 break; 831 default: 832 fdrop(fp, td); 833 return (EINVAL); 834 } 835 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 836 td)); 837 break; 838 } 839 840 case LINUX_TIOCGETD: { 841 int linux_line; 842 int bsd_line = TTYDISC; 843 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 844 td->td_ucred, td); 845 if (error) 846 return (error); 847 switch (bsd_line) { 848 case TTYDISC: 849 linux_line = LINUX_N_TTY; 850 break; 851 case SLIPDISC: 852 linux_line = LINUX_N_SLIP; 853 break; 854 case PPPDISC: 855 linux_line = LINUX_N_PPP; 856 break; 857 default: 858 fdrop(fp, td); 859 return (EINVAL); 860 } 861 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 862 break; 863 } 864 865 /* LINUX_TCSBRKP */ 866 /* LINUX_TIOCTTYGSTRUCT */ 867 868 case LINUX_FIONCLEX: 869 args->cmd = FIONCLEX; 870 error = (ioctl(td, (struct ioctl_args *)args)); 871 break; 872 873 case LINUX_FIOCLEX: 874 args->cmd = FIOCLEX; 875 error = (ioctl(td, (struct ioctl_args *)args)); 876 break; 877 878 case LINUX_FIOASYNC: 879 args->cmd = FIOASYNC; 880 error = (ioctl(td, (struct ioctl_args *)args)); 881 break; 882 883 /* LINUX_TIOCSERCONFIG */ 884 /* LINUX_TIOCSERGWILD */ 885 /* LINUX_TIOCSERSWILD */ 886 /* LINUX_TIOCGLCKTRMIOS */ 887 /* LINUX_TIOCSLCKTRMIOS */ 888 889 case LINUX_TIOCSBRK: 890 args->cmd = TIOCSBRK; 891 error = (ioctl(td, (struct ioctl_args *)args)); 892 break; 893 894 case LINUX_TIOCCBRK: 895 args->cmd = TIOCCBRK; 896 error = (ioctl(td, (struct ioctl_args *)args)); 897 break; 898 899 default: 900 error = ENOIOCTL; 901 break; 902 } 903 904 fdrop(fp, td); 905 return (error); 906 } 907 908 /* 909 * CDROM related ioctls 910 */ 911 912 struct linux_cdrom_msf 913 { 914 u_char cdmsf_min0; 915 u_char cdmsf_sec0; 916 u_char cdmsf_frame0; 917 u_char cdmsf_min1; 918 u_char cdmsf_sec1; 919 u_char cdmsf_frame1; 920 }; 921 922 struct linux_cdrom_tochdr 923 { 924 u_char cdth_trk0; 925 u_char cdth_trk1; 926 }; 927 928 union linux_cdrom_addr 929 { 930 struct { 931 u_char minute; 932 u_char second; 933 u_char frame; 934 } msf; 935 int lba; 936 }; 937 938 struct linux_cdrom_tocentry 939 { 940 u_char cdte_track; 941 u_char cdte_adr:4; 942 u_char cdte_ctrl:4; 943 u_char cdte_format; 944 union linux_cdrom_addr cdte_addr; 945 u_char cdte_datamode; 946 }; 947 948 struct linux_cdrom_subchnl 949 { 950 u_char cdsc_format; 951 u_char cdsc_audiostatus; 952 u_char cdsc_adr:4; 953 u_char cdsc_ctrl:4; 954 u_char cdsc_trk; 955 u_char cdsc_ind; 956 union linux_cdrom_addr cdsc_absaddr; 957 union linux_cdrom_addr cdsc_reladdr; 958 }; 959 960 struct l_cdrom_read_audio { 961 union linux_cdrom_addr addr; 962 u_char addr_format; 963 l_int nframes; 964 u_char *buf; 965 }; 966 967 struct l_dvd_layer { 968 u_char book_version:4; 969 u_char book_type:4; 970 u_char min_rate:4; 971 u_char disc_size:4; 972 u_char layer_type:4; 973 u_char track_path:1; 974 u_char nlayers:2; 975 u_char track_density:4; 976 u_char linear_density:4; 977 u_char bca:1; 978 u_int32_t start_sector; 979 u_int32_t end_sector; 980 u_int32_t end_sector_l0; 981 }; 982 983 struct l_dvd_physical { 984 u_char type; 985 u_char layer_num; 986 struct l_dvd_layer layer[4]; 987 }; 988 989 struct l_dvd_copyright { 990 u_char type; 991 u_char layer_num; 992 u_char cpst; 993 u_char rmi; 994 }; 995 996 struct l_dvd_disckey { 997 u_char type; 998 l_uint agid:2; 999 u_char value[2048]; 1000 }; 1001 1002 struct l_dvd_bca { 1003 u_char type; 1004 l_int len; 1005 u_char value[188]; 1006 }; 1007 1008 struct l_dvd_manufact { 1009 u_char type; 1010 u_char layer_num; 1011 l_int len; 1012 u_char value[2048]; 1013 }; 1014 1015 typedef union { 1016 u_char type; 1017 struct l_dvd_physical physical; 1018 struct l_dvd_copyright copyright; 1019 struct l_dvd_disckey disckey; 1020 struct l_dvd_bca bca; 1021 struct l_dvd_manufact manufact; 1022 } l_dvd_struct; 1023 1024 typedef u_char l_dvd_key[5]; 1025 typedef u_char l_dvd_challenge[10]; 1026 1027 struct l_dvd_lu_send_agid { 1028 u_char type; 1029 l_uint agid:2; 1030 }; 1031 1032 struct l_dvd_host_send_challenge { 1033 u_char type; 1034 l_uint agid:2; 1035 l_dvd_challenge chal; 1036 }; 1037 1038 struct l_dvd_send_key { 1039 u_char type; 1040 l_uint agid:2; 1041 l_dvd_key key; 1042 }; 1043 1044 struct l_dvd_lu_send_challenge { 1045 u_char type; 1046 l_uint agid:2; 1047 l_dvd_challenge chal; 1048 }; 1049 1050 struct l_dvd_lu_send_title_key { 1051 u_char type; 1052 l_uint agid:2; 1053 l_dvd_key title_key; 1054 l_int lba; 1055 l_uint cpm:1; 1056 l_uint cp_sec:1; 1057 l_uint cgms:2; 1058 }; 1059 1060 struct l_dvd_lu_send_asf { 1061 u_char type; 1062 l_uint agid:2; 1063 l_uint asf:1; 1064 }; 1065 1066 struct l_dvd_host_send_rpcstate { 1067 u_char type; 1068 u_char pdrc; 1069 }; 1070 1071 struct l_dvd_lu_send_rpcstate { 1072 u_char type:2; 1073 u_char vra:3; 1074 u_char ucca:3; 1075 u_char region_mask; 1076 u_char rpc_scheme; 1077 }; 1078 1079 typedef union { 1080 u_char type; 1081 struct l_dvd_lu_send_agid lsa; 1082 struct l_dvd_host_send_challenge hsc; 1083 struct l_dvd_send_key lsk; 1084 struct l_dvd_lu_send_challenge lsc; 1085 struct l_dvd_send_key hsk; 1086 struct l_dvd_lu_send_title_key lstk; 1087 struct l_dvd_lu_send_asf lsasf; 1088 struct l_dvd_host_send_rpcstate hrpcs; 1089 struct l_dvd_lu_send_rpcstate lrpcs; 1090 } l_dvd_authinfo; 1091 1092 static void 1093 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1094 { 1095 if (af == CD_LBA_FORMAT) 1096 lp->lba = bp->lba; 1097 else { 1098 lp->msf.minute = bp->msf.minute; 1099 lp->msf.second = bp->msf.second; 1100 lp->msf.frame = bp->msf.frame; 1101 } 1102 } 1103 1104 static void 1105 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1106 { 1107 if (format == LINUX_CDROM_MSF) { 1108 addr->msf.frame = lba % 75; 1109 lba /= 75; 1110 lba += 2; 1111 addr->msf.second = lba % 60; 1112 addr->msf.minute = lba / 60; 1113 } else 1114 addr->lba = lba; 1115 } 1116 1117 static int 1118 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1119 { 1120 bp->format = lp->type; 1121 switch (bp->format) { 1122 case DVD_STRUCT_PHYSICAL: 1123 if (bp->layer_num >= 4) 1124 return (EINVAL); 1125 bp->layer_num = lp->physical.layer_num; 1126 break; 1127 case DVD_STRUCT_COPYRIGHT: 1128 bp->layer_num = lp->copyright.layer_num; 1129 break; 1130 case DVD_STRUCT_DISCKEY: 1131 bp->agid = lp->disckey.agid; 1132 break; 1133 case DVD_STRUCT_BCA: 1134 case DVD_STRUCT_MANUFACT: 1135 break; 1136 default: 1137 return (EINVAL); 1138 } 1139 return (0); 1140 } 1141 1142 static int 1143 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1144 { 1145 switch (bp->format) { 1146 case DVD_STRUCT_PHYSICAL: { 1147 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1148 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1149 memset(llp, 0, sizeof(*llp)); 1150 llp->book_version = blp->book_version; 1151 llp->book_type = blp->book_type; 1152 llp->min_rate = blp->max_rate; 1153 llp->disc_size = blp->disc_size; 1154 llp->layer_type = blp->layer_type; 1155 llp->track_path = blp->track_path; 1156 llp->nlayers = blp->nlayers; 1157 llp->track_density = blp->track_density; 1158 llp->linear_density = blp->linear_density; 1159 llp->bca = blp->bca; 1160 llp->start_sector = blp->start_sector; 1161 llp->end_sector = blp->end_sector; 1162 llp->end_sector_l0 = blp->end_sector_l0; 1163 break; 1164 } 1165 case DVD_STRUCT_COPYRIGHT: 1166 lp->copyright.cpst = bp->cpst; 1167 lp->copyright.rmi = bp->rmi; 1168 break; 1169 case DVD_STRUCT_DISCKEY: 1170 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1171 break; 1172 case DVD_STRUCT_BCA: 1173 lp->bca.len = bp->length; 1174 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1175 break; 1176 case DVD_STRUCT_MANUFACT: 1177 lp->manufact.len = bp->length; 1178 memcpy(lp->manufact.value, bp->data, 1179 sizeof(lp->manufact.value)); 1180 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1181 break; 1182 default: 1183 return (EINVAL); 1184 } 1185 return (0); 1186 } 1187 1188 static int 1189 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1190 struct dvd_authinfo *bp) 1191 { 1192 switch (lp->type) { 1193 case LINUX_DVD_LU_SEND_AGID: 1194 *bcode = DVDIOCREPORTKEY; 1195 bp->format = DVD_REPORT_AGID; 1196 bp->agid = lp->lsa.agid; 1197 break; 1198 case LINUX_DVD_HOST_SEND_CHALLENGE: 1199 *bcode = DVDIOCSENDKEY; 1200 bp->format = DVD_SEND_CHALLENGE; 1201 bp->agid = lp->hsc.agid; 1202 memcpy(bp->keychal, lp->hsc.chal, 10); 1203 break; 1204 case LINUX_DVD_LU_SEND_KEY1: 1205 *bcode = DVDIOCREPORTKEY; 1206 bp->format = DVD_REPORT_KEY1; 1207 bp->agid = lp->lsk.agid; 1208 break; 1209 case LINUX_DVD_LU_SEND_CHALLENGE: 1210 *bcode = DVDIOCREPORTKEY; 1211 bp->format = DVD_REPORT_CHALLENGE; 1212 bp->agid = lp->lsc.agid; 1213 break; 1214 case LINUX_DVD_HOST_SEND_KEY2: 1215 *bcode = DVDIOCSENDKEY; 1216 bp->format = DVD_SEND_KEY2; 1217 bp->agid = lp->hsk.agid; 1218 memcpy(bp->keychal, lp->hsk.key, 5); 1219 break; 1220 case LINUX_DVD_LU_SEND_TITLE_KEY: 1221 *bcode = DVDIOCREPORTKEY; 1222 bp->format = DVD_REPORT_TITLE_KEY; 1223 bp->agid = lp->lstk.agid; 1224 bp->lba = lp->lstk.lba; 1225 break; 1226 case LINUX_DVD_LU_SEND_ASF: 1227 *bcode = DVDIOCREPORTKEY; 1228 bp->format = DVD_REPORT_ASF; 1229 bp->agid = lp->lsasf.agid; 1230 break; 1231 case LINUX_DVD_INVALIDATE_AGID: 1232 *bcode = DVDIOCREPORTKEY; 1233 bp->format = DVD_INVALIDATE_AGID; 1234 bp->agid = lp->lsa.agid; 1235 break; 1236 case LINUX_DVD_LU_SEND_RPC_STATE: 1237 *bcode = DVDIOCREPORTKEY; 1238 bp->format = DVD_REPORT_RPC; 1239 break; 1240 case LINUX_DVD_HOST_SEND_RPC_STATE: 1241 *bcode = DVDIOCSENDKEY; 1242 bp->format = DVD_SEND_RPC; 1243 bp->region = lp->hrpcs.pdrc; 1244 break; 1245 default: 1246 return (EINVAL); 1247 } 1248 return (0); 1249 } 1250 1251 static int 1252 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1253 { 1254 switch (lp->type) { 1255 case LINUX_DVD_LU_SEND_AGID: 1256 lp->lsa.agid = bp->agid; 1257 break; 1258 case LINUX_DVD_HOST_SEND_CHALLENGE: 1259 lp->type = LINUX_DVD_LU_SEND_KEY1; 1260 break; 1261 case LINUX_DVD_LU_SEND_KEY1: 1262 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1263 break; 1264 case LINUX_DVD_LU_SEND_CHALLENGE: 1265 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1266 break; 1267 case LINUX_DVD_HOST_SEND_KEY2: 1268 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1269 break; 1270 case LINUX_DVD_LU_SEND_TITLE_KEY: 1271 memcpy(lp->lstk.title_key, bp->keychal, 1272 sizeof(lp->lstk.title_key)); 1273 lp->lstk.cpm = bp->cpm; 1274 lp->lstk.cp_sec = bp->cp_sec; 1275 lp->lstk.cgms = bp->cgms; 1276 break; 1277 case LINUX_DVD_LU_SEND_ASF: 1278 lp->lsasf.asf = bp->asf; 1279 break; 1280 case LINUX_DVD_INVALIDATE_AGID: 1281 break; 1282 case LINUX_DVD_LU_SEND_RPC_STATE: 1283 lp->lrpcs.type = bp->reg_type; 1284 lp->lrpcs.vra = bp->vend_rsts; 1285 lp->lrpcs.ucca = bp->user_rsts; 1286 lp->lrpcs.region_mask = bp->region; 1287 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1288 break; 1289 case LINUX_DVD_HOST_SEND_RPC_STATE: 1290 break; 1291 default: 1292 return (EINVAL); 1293 } 1294 return (0); 1295 } 1296 1297 static int 1298 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1299 { 1300 struct file *fp; 1301 int error; 1302 1303 if ((error = fget(td, args->fd, &fp)) != 0) 1304 return (error); 1305 switch (args->cmd & 0xffff) { 1306 1307 case LINUX_CDROMPAUSE: 1308 args->cmd = CDIOCPAUSE; 1309 error = (ioctl(td, (struct ioctl_args *)args)); 1310 break; 1311 1312 case LINUX_CDROMRESUME: 1313 args->cmd = CDIOCRESUME; 1314 error = (ioctl(td, (struct ioctl_args *)args)); 1315 break; 1316 1317 case LINUX_CDROMPLAYMSF: 1318 args->cmd = CDIOCPLAYMSF; 1319 error = (ioctl(td, (struct ioctl_args *)args)); 1320 break; 1321 1322 case LINUX_CDROMPLAYTRKIND: 1323 args->cmd = CDIOCPLAYTRACKS; 1324 error = (ioctl(td, (struct ioctl_args *)args)); 1325 break; 1326 1327 case LINUX_CDROMREADTOCHDR: { 1328 struct ioc_toc_header th; 1329 struct linux_cdrom_tochdr lth; 1330 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1331 td->td_ucred, td); 1332 if (!error) { 1333 lth.cdth_trk0 = th.starting_track; 1334 lth.cdth_trk1 = th.ending_track; 1335 copyout(<h, (void *)args->arg, sizeof(lth)); 1336 } 1337 break; 1338 } 1339 1340 case LINUX_CDROMREADTOCENTRY: { 1341 struct linux_cdrom_tocentry lte, *ltep = 1342 (struct linux_cdrom_tocentry *)args->arg; 1343 struct ioc_read_toc_single_entry irtse; 1344 irtse.address_format = ltep->cdte_format; 1345 irtse.track = ltep->cdte_track; 1346 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1347 td->td_ucred, td); 1348 if (!error) { 1349 lte = *ltep; 1350 lte.cdte_ctrl = irtse.entry.control; 1351 lte.cdte_adr = irtse.entry.addr_type; 1352 bsd_to_linux_msf_lba(irtse.address_format, 1353 &irtse.entry.addr, <e.cdte_addr); 1354 copyout(<e, (void *)args->arg, sizeof(lte)); 1355 } 1356 break; 1357 } 1358 1359 case LINUX_CDROMSTOP: 1360 args->cmd = CDIOCSTOP; 1361 error = (ioctl(td, (struct ioctl_args *)args)); 1362 break; 1363 1364 case LINUX_CDROMSTART: 1365 args->cmd = CDIOCSTART; 1366 error = (ioctl(td, (struct ioctl_args *)args)); 1367 break; 1368 1369 case LINUX_CDROMEJECT: 1370 args->cmd = CDIOCEJECT; 1371 error = (ioctl(td, (struct ioctl_args *)args)); 1372 break; 1373 1374 /* LINUX_CDROMVOLCTRL */ 1375 1376 case LINUX_CDROMSUBCHNL: { 1377 struct linux_cdrom_subchnl sc; 1378 struct ioc_read_subchannel bsdsc; 1379 struct cd_sub_channel_info *bsdinfo; 1380 caddr_t sg = stackgap_init(); 1381 bsdinfo = stackgap_alloc(&sg, sizeof(*bsdinfo)); 1382 bsdsc.address_format = CD_LBA_FORMAT; 1383 bsdsc.data_format = CD_CURRENT_POSITION; 1384 bsdsc.track = 0; 1385 bsdsc.data_len = sizeof(*bsdinfo); 1386 bsdsc.data = bsdinfo; 1387 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1388 td->td_ucred, td); 1389 if (error) 1390 break; 1391 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1392 if (error) 1393 break; 1394 sc.cdsc_audiostatus = bsdinfo->header.audio_status; 1395 sc.cdsc_adr = bsdinfo->what.position.addr_type; 1396 sc.cdsc_ctrl = bsdinfo->what.position.control; 1397 sc.cdsc_trk = bsdinfo->what.position.track_number; 1398 sc.cdsc_ind = bsdinfo->what.position.index_number; 1399 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1400 bsdinfo->what.position.absaddr.lba); 1401 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1402 bsdinfo->what.position.reladdr.lba); 1403 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1404 break; 1405 } 1406 1407 /* LINUX_CDROMREADMODE2 */ 1408 /* LINUX_CDROMREADMODE1 */ 1409 /* LINUX_CDROMREADAUDIO */ 1410 /* LINUX_CDROMEJECT_SW */ 1411 /* LINUX_CDROMMULTISESSION */ 1412 /* LINUX_CDROM_GET_UPC */ 1413 1414 case LINUX_CDROMRESET: 1415 args->cmd = CDIOCRESET; 1416 error = (ioctl(td, (struct ioctl_args *)args)); 1417 break; 1418 1419 /* LINUX_CDROMVOLREAD */ 1420 /* LINUX_CDROMREADRAW */ 1421 /* LINUX_CDROMREADCOOKED */ 1422 /* LINUX_CDROMSEEK */ 1423 /* LINUX_CDROMPLAYBLK */ 1424 /* LINUX_CDROMREADALL */ 1425 /* LINUX_CDROMCLOSETRAY */ 1426 /* LINUX_CDROMLOADFROMSLOT */ 1427 /* LINUX_CDROMGETSPINDOWN */ 1428 /* LINUX_CDROMSETSPINDOWN */ 1429 /* LINUX_CDROM_SET_OPTIONS */ 1430 /* LINUX_CDROM_CLEAR_OPTIONS */ 1431 /* LINUX_CDROM_SELECT_SPEED */ 1432 /* LINUX_CDROM_SELECT_DISC */ 1433 /* LINUX_CDROM_MEDIA_CHANGED */ 1434 /* LINUX_CDROM_DRIVE_STATUS */ 1435 /* LINUX_CDROM_DISC_STATUS */ 1436 /* LINUX_CDROM_CHANGER_NSLOTS */ 1437 /* LINUX_CDROM_LOCKDOOR */ 1438 /* LINUX_CDROM_DEBUG */ 1439 /* LINUX_CDROM_GET_CAPABILITY */ 1440 /* LINUX_CDROMAUDIOBUFSIZ */ 1441 1442 case LINUX_DVD_READ_STRUCT: { 1443 l_dvd_struct lds; 1444 struct dvd_struct bds; 1445 1446 error = copyin((void *)args->arg, &lds, sizeof(lds)); 1447 if (error) 1448 break; 1449 error = linux_to_bsd_dvd_struct(&lds, &bds); 1450 if (error) 1451 break; 1452 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)&bds, 1453 td->td_ucred, td); 1454 if (error) 1455 break; 1456 error = bsd_to_linux_dvd_struct(&bds, &lds); 1457 if (error) 1458 break; 1459 error = copyout(&lds, (void *)args->arg, sizeof(lds)); 1460 break; 1461 } 1462 1463 /* LINUX_DVD_WRITE_STRUCT */ 1464 1465 case LINUX_DVD_AUTH: { 1466 l_dvd_authinfo lda; 1467 struct dvd_authinfo bda; 1468 int bcode; 1469 1470 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1471 if (error) 1472 break; 1473 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1474 if (error) 1475 break; 1476 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1477 td); 1478 if (error) { 1479 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1480 lda.type = LINUX_DVD_AUTH_FAILURE; 1481 copyout(&lda, (void *)args->arg, sizeof(lda)); 1482 } 1483 break; 1484 } 1485 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1486 if (error) 1487 break; 1488 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1489 break; 1490 } 1491 1492 /* LINUX_CDROM_SEND_PACKET */ 1493 /* LINUX_CDROM_NEXT_WRITABLE */ 1494 /* LINUX_CDROM_LAST_WRITTEN */ 1495 1496 default: 1497 error = ENOIOCTL; 1498 break; 1499 } 1500 1501 fdrop(fp, td); 1502 return (error); 1503 } 1504 1505 static int 1506 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1507 { 1508 1509 return (ENOTTY); 1510 } 1511 1512 /* 1513 * Sound related ioctls 1514 */ 1515 1516 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1517 1518 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1519 1520 static int 1521 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1522 { 1523 1524 switch (args->cmd & 0xffff) { 1525 1526 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1527 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1528 return (ioctl(td, (struct ioctl_args *)args)); 1529 1530 case LINUX_SOUND_MIXER_WRITE_BASS: 1531 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1532 return (ioctl(td, (struct ioctl_args *)args)); 1533 1534 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1535 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1536 return (ioctl(td, (struct ioctl_args *)args)); 1537 1538 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1539 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1540 return (ioctl(td, (struct ioctl_args *)args)); 1541 1542 case LINUX_SOUND_MIXER_WRITE_PCM: 1543 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1544 return (ioctl(td, (struct ioctl_args *)args)); 1545 1546 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1547 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1548 return (ioctl(td, (struct ioctl_args *)args)); 1549 1550 case LINUX_SOUND_MIXER_WRITE_LINE: 1551 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1552 return (ioctl(td, (struct ioctl_args *)args)); 1553 1554 case LINUX_SOUND_MIXER_WRITE_MIC: 1555 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1556 return (ioctl(td, (struct ioctl_args *)args)); 1557 1558 case LINUX_SOUND_MIXER_WRITE_CD: 1559 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1560 return (ioctl(td, (struct ioctl_args *)args)); 1561 1562 case LINUX_SOUND_MIXER_WRITE_IMIX: 1563 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1564 return (ioctl(td, (struct ioctl_args *)args)); 1565 1566 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1567 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1568 return (ioctl(td, (struct ioctl_args *)args)); 1569 1570 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1571 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1572 return (ioctl(td, (struct ioctl_args *)args)); 1573 1574 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1575 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1576 return (ioctl(td, (struct ioctl_args *)args)); 1577 1578 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1579 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1580 return (ioctl(td, (struct ioctl_args *)args)); 1581 1582 case LINUX_SOUND_MIXER_WRITE_LINE1: 1583 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1584 return (ioctl(td, (struct ioctl_args *)args)); 1585 1586 case LINUX_SOUND_MIXER_WRITE_LINE2: 1587 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1588 return (ioctl(td, (struct ioctl_args *)args)); 1589 1590 case LINUX_SOUND_MIXER_WRITE_LINE3: 1591 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1592 return (ioctl(td, (struct ioctl_args *)args)); 1593 1594 case LINUX_OSS_GETVERSION: { 1595 int version = linux_get_oss_version(td); 1596 return (copyout(&version, (void *)args->arg, sizeof(int))); 1597 } 1598 1599 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1600 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1601 return (ioctl(td, (struct ioctl_args *)args)); 1602 1603 case LINUX_SOUND_MIXER_READ_DEVMASK: 1604 args->cmd = SOUND_MIXER_READ_DEVMASK; 1605 return (ioctl(td, (struct ioctl_args *)args)); 1606 1607 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1608 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1609 return (ioctl(td, (struct ioctl_args *)args)); 1610 1611 case LINUX_SNDCTL_DSP_RESET: 1612 args->cmd = SNDCTL_DSP_RESET; 1613 return (ioctl(td, (struct ioctl_args *)args)); 1614 1615 case LINUX_SNDCTL_DSP_SYNC: 1616 args->cmd = SNDCTL_DSP_SYNC; 1617 return (ioctl(td, (struct ioctl_args *)args)); 1618 1619 case LINUX_SNDCTL_DSP_SPEED: 1620 args->cmd = SNDCTL_DSP_SPEED; 1621 return (ioctl(td, (struct ioctl_args *)args)); 1622 1623 case LINUX_SNDCTL_DSP_STEREO: 1624 args->cmd = SNDCTL_DSP_STEREO; 1625 return (ioctl(td, (struct ioctl_args *)args)); 1626 1627 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1628 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1629 return (ioctl(td, (struct ioctl_args *)args)); 1630 1631 case LINUX_SNDCTL_DSP_SETFMT: 1632 args->cmd = SNDCTL_DSP_SETFMT; 1633 return (ioctl(td, (struct ioctl_args *)args)); 1634 1635 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1636 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1637 return (ioctl(td, (struct ioctl_args *)args)); 1638 1639 case LINUX_SOUND_PCM_WRITE_FILTER: 1640 args->cmd = SOUND_PCM_WRITE_FILTER; 1641 return (ioctl(td, (struct ioctl_args *)args)); 1642 1643 case LINUX_SNDCTL_DSP_POST: 1644 args->cmd = SNDCTL_DSP_POST; 1645 return (ioctl(td, (struct ioctl_args *)args)); 1646 1647 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1648 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1649 return (ioctl(td, (struct ioctl_args *)args)); 1650 1651 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1652 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1653 return (ioctl(td, (struct ioctl_args *)args)); 1654 1655 case LINUX_SNDCTL_DSP_GETFMTS: 1656 args->cmd = SNDCTL_DSP_GETFMTS; 1657 return (ioctl(td, (struct ioctl_args *)args)); 1658 1659 case LINUX_SNDCTL_DSP_GETOSPACE: 1660 args->cmd = SNDCTL_DSP_GETOSPACE; 1661 return (ioctl(td, (struct ioctl_args *)args)); 1662 1663 case LINUX_SNDCTL_DSP_GETISPACE: 1664 args->cmd = SNDCTL_DSP_GETISPACE; 1665 return (ioctl(td, (struct ioctl_args *)args)); 1666 1667 case LINUX_SNDCTL_DSP_NONBLOCK: 1668 args->cmd = SNDCTL_DSP_NONBLOCK; 1669 return (ioctl(td, (struct ioctl_args *)args)); 1670 1671 case LINUX_SNDCTL_DSP_GETCAPS: 1672 args->cmd = SNDCTL_DSP_GETCAPS; 1673 return (ioctl(td, (struct ioctl_args *)args)); 1674 1675 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1676 args->cmd = SNDCTL_DSP_SETTRIGGER; 1677 return (ioctl(td, (struct ioctl_args *)args)); 1678 1679 case LINUX_SNDCTL_DSP_GETIPTR: 1680 args->cmd = SNDCTL_DSP_GETIPTR; 1681 return (ioctl(td, (struct ioctl_args *)args)); 1682 1683 case LINUX_SNDCTL_DSP_GETOPTR: 1684 args->cmd = SNDCTL_DSP_GETOPTR; 1685 return (ioctl(td, (struct ioctl_args *)args)); 1686 1687 case LINUX_SNDCTL_DSP_GETODELAY: 1688 args->cmd = SNDCTL_DSP_GETODELAY; 1689 return (ioctl(td, (struct ioctl_args *)args)); 1690 1691 case LINUX_SNDCTL_SEQ_RESET: 1692 args->cmd = SNDCTL_SEQ_RESET; 1693 return (ioctl(td, (struct ioctl_args *)args)); 1694 1695 case LINUX_SNDCTL_SEQ_SYNC: 1696 args->cmd = SNDCTL_SEQ_SYNC; 1697 return (ioctl(td, (struct ioctl_args *)args)); 1698 1699 case LINUX_SNDCTL_SYNTH_INFO: 1700 args->cmd = SNDCTL_SYNTH_INFO; 1701 return (ioctl(td, (struct ioctl_args *)args)); 1702 1703 case LINUX_SNDCTL_SEQ_CTRLRATE: 1704 args->cmd = SNDCTL_SEQ_CTRLRATE; 1705 return (ioctl(td, (struct ioctl_args *)args)); 1706 1707 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1708 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1709 return (ioctl(td, (struct ioctl_args *)args)); 1710 1711 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1712 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1713 return (ioctl(td, (struct ioctl_args *)args)); 1714 1715 case LINUX_SNDCTL_SEQ_PERCMODE: 1716 args->cmd = SNDCTL_SEQ_PERCMODE; 1717 return (ioctl(td, (struct ioctl_args *)args)); 1718 1719 case LINUX_SNDCTL_FM_LOAD_INSTR: 1720 args->cmd = SNDCTL_FM_LOAD_INSTR; 1721 return (ioctl(td, (struct ioctl_args *)args)); 1722 1723 case LINUX_SNDCTL_SEQ_TESTMIDI: 1724 args->cmd = SNDCTL_SEQ_TESTMIDI; 1725 return (ioctl(td, (struct ioctl_args *)args)); 1726 1727 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1728 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1729 return (ioctl(td, (struct ioctl_args *)args)); 1730 1731 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1732 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1733 return (ioctl(td, (struct ioctl_args *)args)); 1734 1735 case LINUX_SNDCTL_SEQ_NRMIDIS: 1736 args->cmd = SNDCTL_SEQ_NRMIDIS; 1737 return (ioctl(td, (struct ioctl_args *)args)); 1738 1739 case LINUX_SNDCTL_MIDI_INFO: 1740 args->cmd = SNDCTL_MIDI_INFO; 1741 return (ioctl(td, (struct ioctl_args *)args)); 1742 1743 case LINUX_SNDCTL_SEQ_TRESHOLD: 1744 args->cmd = SNDCTL_SEQ_TRESHOLD; 1745 return (ioctl(td, (struct ioctl_args *)args)); 1746 1747 case LINUX_SNDCTL_SYNTH_MEMAVL: 1748 args->cmd = SNDCTL_SYNTH_MEMAVL; 1749 return (ioctl(td, (struct ioctl_args *)args)); 1750 1751 } 1752 1753 return (ENOIOCTL); 1754 } 1755 1756 /* 1757 * Console related ioctls 1758 */ 1759 1760 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1761 1762 static int 1763 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1764 { 1765 struct file *fp; 1766 int error; 1767 1768 if ((error = fget(td, args->fd, &fp)) != 0) 1769 return (error); 1770 switch (args->cmd & 0xffff) { 1771 1772 case LINUX_KIOCSOUND: 1773 args->cmd = KIOCSOUND; 1774 error = (ioctl(td, (struct ioctl_args *)args)); 1775 break; 1776 1777 case LINUX_KDMKTONE: 1778 args->cmd = KDMKTONE; 1779 error = (ioctl(td, (struct ioctl_args *)args)); 1780 break; 1781 1782 case LINUX_KDGETLED: 1783 args->cmd = KDGETLED; 1784 error = (ioctl(td, (struct ioctl_args *)args)); 1785 break; 1786 1787 case LINUX_KDSETLED: 1788 args->cmd = KDSETLED; 1789 error = (ioctl(td, (struct ioctl_args *)args)); 1790 break; 1791 1792 case LINUX_KDSETMODE: 1793 args->cmd = KDSETMODE; 1794 error = (ioctl(td, (struct ioctl_args *)args)); 1795 break; 1796 1797 case LINUX_KDGETMODE: 1798 args->cmd = KDGETMODE; 1799 error = (ioctl(td, (struct ioctl_args *)args)); 1800 break; 1801 1802 case LINUX_KDGKBMODE: 1803 args->cmd = KDGKBMODE; 1804 error = (ioctl(td, (struct ioctl_args *)args)); 1805 break; 1806 1807 case LINUX_KDSKBMODE: { 1808 int kbdmode; 1809 switch (args->arg) { 1810 case LINUX_KBD_RAW: 1811 kbdmode = K_RAW; 1812 break; 1813 case LINUX_KBD_XLATE: 1814 kbdmode = K_XLATE; 1815 break; 1816 case LINUX_KBD_MEDIUMRAW: 1817 kbdmode = K_RAW; 1818 break; 1819 default: 1820 fdrop(fp, td); 1821 return (EINVAL); 1822 } 1823 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 1824 td->td_ucred, td)); 1825 break; 1826 } 1827 1828 case LINUX_VT_OPENQRY: 1829 args->cmd = VT_OPENQRY; 1830 error = (ioctl(td, (struct ioctl_args *)args)); 1831 break; 1832 1833 case LINUX_VT_GETMODE: 1834 args->cmd = VT_GETMODE; 1835 error = (ioctl(td, (struct ioctl_args *)args)); 1836 break; 1837 1838 case LINUX_VT_SETMODE: { 1839 struct vt_mode *mode; 1840 args->cmd = VT_SETMODE; 1841 mode = (struct vt_mode *)args->arg; 1842 if (!ISSIGVALID(mode->frsig) && ISSIGVALID(mode->acqsig)) 1843 mode->frsig = mode->acqsig; 1844 error = (ioctl(td, (struct ioctl_args *)args)); 1845 break; 1846 } 1847 1848 case LINUX_VT_GETSTATE: 1849 args->cmd = VT_GETACTIVE; 1850 error = (ioctl(td, (struct ioctl_args *)args)); 1851 break; 1852 1853 case LINUX_VT_RELDISP: 1854 args->cmd = VT_RELDISP; 1855 error = (ioctl(td, (struct ioctl_args *)args)); 1856 break; 1857 1858 case LINUX_VT_ACTIVATE: 1859 args->cmd = VT_ACTIVATE; 1860 error = (ioctl(td, (struct ioctl_args *)args)); 1861 break; 1862 1863 case LINUX_VT_WAITACTIVE: 1864 args->cmd = VT_WAITACTIVE; 1865 error = (ioctl(td, (struct ioctl_args *)args)); 1866 break; 1867 1868 default: 1869 error = ENOIOCTL; 1870 break; 1871 } 1872 1873 fdrop(fp, td); 1874 return (error); 1875 } 1876 1877 /* 1878 * Criteria for interface name translation 1879 */ 1880 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1881 1882 /* 1883 * Interface function used by linprocfs (at the time of writing). It's not 1884 * used by the Linuxulator itself. 1885 */ 1886 int 1887 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1888 { 1889 struct ifnet *ifscan; 1890 int ethno; 1891 1892 /* Short-circuit non ethernet interfaces */ 1893 if (!IFP_IS_ETH(ifp)) 1894 return (strlcpy(buffer, ifp->if_xname, buflen)); 1895 1896 /* Determine the (relative) unit number for ethernet interfaces */ 1897 ethno = 0; 1898 IFNET_RLOCK(); 1899 TAILQ_FOREACH(ifscan, &ifnet, if_link) { 1900 if (ifscan == ifp) { 1901 IFNET_RUNLOCK(); 1902 return (snprintf(buffer, buflen, "eth%d", ethno)); 1903 } 1904 if (IFP_IS_ETH(ifscan)) 1905 ethno++; 1906 } 1907 IFNET_RUNLOCK(); 1908 1909 return (0); 1910 } 1911 1912 /* 1913 * Translate a Linux interface name to a FreeBSD interface name, 1914 * and return the associated ifnet structure 1915 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 1916 * can point to the same buffer. 1917 */ 1918 1919 static struct ifnet * 1920 ifname_linux_to_bsd(const char *lxname, char *bsdname) 1921 { 1922 struct ifnet *ifp; 1923 int len, unit; 1924 char *ep; 1925 int is_eth, index; 1926 1927 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 1928 if (!isalpha(lxname[len])) 1929 break; 1930 if (len == 0 || len == LINUX_IFNAMSIZ) 1931 return (NULL); 1932 unit = (int)strtoul(lxname + len, &ep, 10); 1933 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 1934 return (NULL); 1935 index = 0; 1936 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 1937 IFNET_RLOCK(); 1938 TAILQ_FOREACH(ifp, &ifnet, if_link) { 1939 /* 1940 * Allow Linux programs to use FreeBSD names. Don't presume 1941 * we never have an interface named "eth", so don't make 1942 * the test optional based on is_eth. 1943 */ 1944 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 1945 break; 1946 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 1947 break; 1948 } 1949 IFNET_RUNLOCK(); 1950 if (ifp != NULL) 1951 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 1952 return (ifp); 1953 } 1954 1955 /* 1956 * Implement the SIOCGIFCONF ioctl 1957 */ 1958 1959 static int 1960 linux_ifconf(struct thread *td, struct ifconf *uifc) 1961 { 1962 struct ifconf ifc; 1963 struct l_ifreq ifr; 1964 struct ifnet *ifp; 1965 struct ifaddr *ifa; 1966 struct iovec iov; 1967 struct uio uio; 1968 int error, ethno; 1969 1970 error = copyin(uifc, &ifc, sizeof(ifc)); 1971 if (error != 0) 1972 return (error); 1973 1974 /* much easier to use uiomove than keep track ourselves */ 1975 iov.iov_base = ifc.ifc_buf; 1976 iov.iov_len = ifc.ifc_len; 1977 uio.uio_iov = &iov; 1978 uio.uio_iovcnt = 1; 1979 uio.uio_offset = 0; 1980 uio.uio_resid = ifc.ifc_len; 1981 uio.uio_segflg = UIO_USERSPACE; 1982 uio.uio_rw = UIO_READ; 1983 uio.uio_td = td; 1984 1985 /* Keep track of eth interfaces */ 1986 ethno = 0; 1987 1988 /* Return all AF_INET addresses of all interfaces */ 1989 IFNET_RLOCK(); /* could sleep XXX */ 1990 TAILQ_FOREACH(ifp, &ifnet, if_link) { 1991 if (uio.uio_resid <= 0) 1992 break; 1993 1994 bzero(&ifr, sizeof(ifr)); 1995 if (IFP_IS_ETH(ifp)) 1996 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 1997 ethno++); 1998 else 1999 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2000 2001 /* Walk the address list */ 2002 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2003 struct sockaddr *sa = ifa->ifa_addr; 2004 2005 if (uio.uio_resid <= 0) 2006 break; 2007 2008 if (sa->sa_family == AF_INET) { 2009 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2010 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2011 sizeof(ifr.ifr_addr.sa_data)); 2012 2013 error = uiomove(&ifr, sizeof(ifr), &uio); 2014 if (error != 0) { 2015 IFNET_RUNLOCK(); 2016 return (error); 2017 } 2018 } 2019 } 2020 } 2021 IFNET_RUNLOCK(); 2022 2023 ifc.ifc_len -= uio.uio_resid; 2024 error = copyout(&ifc, uifc, sizeof(ifc)); 2025 2026 return (error); 2027 } 2028 2029 static int 2030 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2031 { 2032 l_short flags; 2033 2034 flags = ifp->if_flags & 0xffff; 2035 /* these flags have no Linux equivalent */ 2036 flags &= ~(IFF_SMART|IFF_OACTIVE|IFF_SIMPLEX| 2037 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2038 /* Linux' multicast flag is in a different bit */ 2039 if (flags & IFF_MULTICAST) { 2040 flags &= ~IFF_MULTICAST; 2041 flags |= 0x1000; 2042 } 2043 2044 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2045 } 2046 2047 #define ARPHRD_ETHER 1 2048 #define ARPHRD_LOOPBACK 772 2049 2050 static int 2051 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2052 { 2053 struct ifaddr *ifa; 2054 struct sockaddr_dl *sdl; 2055 struct l_sockaddr lsa; 2056 2057 if (ifp->if_type == IFT_LOOP) { 2058 bzero(&lsa, sizeof(lsa)); 2059 lsa.sa_family = ARPHRD_LOOPBACK; 2060 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2061 } 2062 2063 if (ifp->if_type != IFT_ETHER) 2064 return (ENOENT); 2065 2066 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2067 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2068 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2069 (sdl->sdl_type == IFT_ETHER)) { 2070 bzero(&lsa, sizeof(lsa)); 2071 lsa.sa_family = ARPHRD_ETHER; 2072 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2073 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2074 } 2075 } 2076 2077 return (ENOENT); 2078 } 2079 2080 /* 2081 * Socket related ioctls 2082 */ 2083 2084 static int 2085 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2086 { 2087 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2088 struct ifnet *ifp; 2089 struct file *fp; 2090 int error, type; 2091 2092 KASSERT(LINUX_IFNAMSIZ == IFNAMSIZ, 2093 ("%s(): LINUX_IFNAMSIZ != IFNAMSIZ", __func__)); 2094 2095 ifp = NULL; 2096 error = 0; 2097 2098 if ((error = fget(td, args->fd, &fp)) != 0) 2099 return (error); 2100 type = fp->f_type; 2101 fdrop(fp, td); 2102 if (type != DTYPE_SOCKET) { 2103 /* not a socket - probably a tap / vmnet device */ 2104 switch (args->cmd) { 2105 case LINUX_SIOCGIFADDR: 2106 case LINUX_SIOCSIFADDR: 2107 case LINUX_SIOCGIFFLAGS: 2108 return (linux_ioctl_special(td, args)); 2109 default: 2110 return (ENOIOCTL); 2111 } 2112 } 2113 2114 switch (args->cmd & 0xffff) { 2115 2116 case LINUX_FIOGETOWN: 2117 case LINUX_FIOSETOWN: 2118 case LINUX_SIOCADDMULTI: 2119 case LINUX_SIOCATMARK: 2120 case LINUX_SIOCDELMULTI: 2121 case LINUX_SIOCGIFCONF: 2122 case LINUX_SIOCGPGRP: 2123 case LINUX_SIOCSPGRP: 2124 /* these ioctls don't take an interface name */ 2125 #ifdef DEBUG 2126 printf("%s(): ioctl %d\n", __func__, 2127 args->cmd & 0xffff); 2128 #endif 2129 break; 2130 2131 case LINUX_SIOCGIFFLAGS: 2132 case LINUX_SIOCGIFADDR: 2133 case LINUX_SIOCSIFADDR: 2134 case LINUX_SIOCGIFDSTADDR: 2135 case LINUX_SIOCGIFBRDADDR: 2136 case LINUX_SIOCGIFNETMASK: 2137 case LINUX_SIOCSIFNETMASK: 2138 case LINUX_SIOCGIFMTU: 2139 case LINUX_SIOCSIFMTU: 2140 case LINUX_SIOCSIFNAME: 2141 case LINUX_SIOCGIFHWADDR: 2142 case LINUX_SIOCSIFHWADDR: 2143 case LINUX_SIOCDEVPRIVATE: 2144 case LINUX_SIOCDEVPRIVATE+1: 2145 /* copy in the interface name and translate it. */ 2146 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2147 if (error != 0) 2148 return (error); 2149 #ifdef DEBUG 2150 printf("%s(): ioctl %d on %.*s\n", __func__, 2151 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2152 #endif 2153 ifp = ifname_linux_to_bsd(lifname, ifname); 2154 if (ifp == NULL) 2155 return (EINVAL); 2156 /* 2157 * We need to copy it back out in case we pass the 2158 * request on to our native ioctl(), which will expect 2159 * the ifreq to be in user space and have the correct 2160 * interface name. 2161 */ 2162 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2163 if (error != 0) 2164 return (error); 2165 #ifdef DEBUG 2166 printf("%s(): %s translated to %s\n", __func__, 2167 lifname, ifname); 2168 #endif 2169 break; 2170 2171 default: 2172 return (ENOIOCTL); 2173 } 2174 2175 switch (args->cmd & 0xffff) { 2176 2177 case LINUX_FIOSETOWN: 2178 args->cmd = FIOSETOWN; 2179 error = ioctl(td, (struct ioctl_args *)args); 2180 break; 2181 2182 case LINUX_SIOCSPGRP: 2183 args->cmd = SIOCSPGRP; 2184 error = ioctl(td, (struct ioctl_args *)args); 2185 break; 2186 2187 case LINUX_FIOGETOWN: 2188 args->cmd = FIOGETOWN; 2189 error = ioctl(td, (struct ioctl_args *)args); 2190 break; 2191 2192 case LINUX_SIOCGPGRP: 2193 args->cmd = SIOCGPGRP; 2194 error = ioctl(td, (struct ioctl_args *)args); 2195 break; 2196 2197 case LINUX_SIOCATMARK: 2198 args->cmd = SIOCATMARK; 2199 error = ioctl(td, (struct ioctl_args *)args); 2200 break; 2201 2202 /* LINUX_SIOCGSTAMP */ 2203 2204 case LINUX_SIOCGIFCONF: 2205 error = linux_ifconf(td, (struct ifconf *)args->arg); 2206 break; 2207 2208 case LINUX_SIOCGIFFLAGS: 2209 args->cmd = SIOCGIFFLAGS; 2210 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2211 break; 2212 2213 case LINUX_SIOCGIFADDR: 2214 args->cmd = OSIOCGIFADDR; 2215 error = ioctl(td, (struct ioctl_args *)args); 2216 break; 2217 2218 case LINUX_SIOCSIFADDR: 2219 /* XXX probably doesn't work, included for completeness */ 2220 args->cmd = SIOCSIFADDR; 2221 error = ioctl(td, (struct ioctl_args *)args); 2222 break; 2223 2224 case LINUX_SIOCGIFDSTADDR: 2225 args->cmd = OSIOCGIFDSTADDR; 2226 error = ioctl(td, (struct ioctl_args *)args); 2227 break; 2228 2229 case LINUX_SIOCGIFBRDADDR: 2230 args->cmd = OSIOCGIFBRDADDR; 2231 error = ioctl(td, (struct ioctl_args *)args); 2232 break; 2233 2234 case LINUX_SIOCGIFNETMASK: 2235 args->cmd = OSIOCGIFNETMASK; 2236 error = ioctl(td, (struct ioctl_args *)args); 2237 break; 2238 2239 case LINUX_SIOCSIFNETMASK: 2240 error = ENOIOCTL; 2241 break; 2242 2243 case LINUX_SIOCGIFMTU: 2244 args->cmd = SIOCGIFMTU; 2245 error = ioctl(td, (struct ioctl_args *)args); 2246 break; 2247 2248 case LINUX_SIOCSIFMTU: 2249 args->cmd = SIOCSIFMTU; 2250 error = ioctl(td, (struct ioctl_args *)args); 2251 break; 2252 2253 case LINUX_SIOCSIFNAME: 2254 error = ENOIOCTL; 2255 break; 2256 2257 case LINUX_SIOCGIFHWADDR: 2258 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2259 break; 2260 2261 case LINUX_SIOCSIFHWADDR: 2262 error = ENOIOCTL; 2263 break; 2264 2265 case LINUX_SIOCADDMULTI: 2266 args->cmd = SIOCADDMULTI; 2267 error = ioctl(td, (struct ioctl_args *)args); 2268 break; 2269 2270 case LINUX_SIOCDELMULTI: 2271 args->cmd = SIOCDELMULTI; 2272 error = ioctl(td, (struct ioctl_args *)args); 2273 break; 2274 2275 /* 2276 * XXX This is slightly bogus, but these ioctls are currently 2277 * XXX only used by the aironet (if_an) network driver. 2278 */ 2279 case LINUX_SIOCDEVPRIVATE: 2280 args->cmd = SIOCGPRIVATE_0; 2281 error = ioctl(td, (struct ioctl_args *)args); 2282 break; 2283 2284 case LINUX_SIOCDEVPRIVATE+1: 2285 args->cmd = SIOCGPRIVATE_1; 2286 error = ioctl(td, (struct ioctl_args *)args); 2287 break; 2288 } 2289 2290 if (ifp != NULL) 2291 /* restore the original interface name */ 2292 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2293 2294 #ifdef DEBUG 2295 printf("%s(): returning %d\n", __func__, error); 2296 #endif 2297 return (error); 2298 } 2299 2300 /* 2301 * Device private ioctl handler 2302 */ 2303 static int 2304 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2305 { 2306 struct file *fp; 2307 int error, type; 2308 2309 if ((error = fget(td, args->fd, &fp)) != 0) 2310 return (error); 2311 type = fp->f_type; 2312 fdrop(fp, td); 2313 if (type == DTYPE_SOCKET) 2314 return (linux_ioctl_socket(td, args)); 2315 return (ENOIOCTL); 2316 } 2317 2318 /* 2319 * DRM ioctl handler (sys/dev/drm) 2320 */ 2321 static int 2322 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2323 { 2324 args->cmd = SETDIR(args->cmd); 2325 return ioctl(td, (struct ioctl_args *)args); 2326 } 2327 2328 /* 2329 * Special ioctl handler 2330 */ 2331 static int 2332 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2333 { 2334 int error; 2335 2336 switch (args->cmd) { 2337 case LINUX_SIOCGIFADDR: 2338 args->cmd = SIOCGIFADDR; 2339 error = ioctl(td, (struct ioctl_args *)args); 2340 break; 2341 case LINUX_SIOCSIFADDR: 2342 args->cmd = SIOCSIFADDR; 2343 error = ioctl(td, (struct ioctl_args *)args); 2344 break; 2345 case LINUX_SIOCGIFFLAGS: 2346 args->cmd = SIOCGIFFLAGS; 2347 error = ioctl(td, (struct ioctl_args *)args); 2348 break; 2349 default: 2350 error = ENOIOCTL; 2351 } 2352 2353 return (error); 2354 } 2355 2356 /* 2357 * main ioctl syscall function 2358 */ 2359 2360 int 2361 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 2362 { 2363 struct file *fp; 2364 struct handler_element *he; 2365 int error, cmd; 2366 2367 #ifdef DEBUG 2368 if (ldebug(ioctl)) 2369 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 2370 (unsigned long)args->cmd); 2371 #endif 2372 2373 if ((error = fget(td, args->fd, &fp)) != 0) 2374 return (error); 2375 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 2376 fdrop(fp, td); 2377 return (EBADF); 2378 } 2379 2380 /* Iterate over the ioctl handlers */ 2381 cmd = args->cmd & 0xffff; 2382 TAILQ_FOREACH(he, &handlers, list) { 2383 if (cmd >= he->low && cmd <= he->high) { 2384 error = (*he->func)(td, args); 2385 if (error != ENOIOCTL) { 2386 fdrop(fp, td); 2387 return (error); 2388 } 2389 } 2390 } 2391 fdrop(fp, td); 2392 2393 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 2394 args->fd, (int)(args->cmd & 0xffff), 2395 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 2396 2397 return (EINVAL); 2398 } 2399 2400 int 2401 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 2402 { 2403 struct handler_element *he, *cur; 2404 2405 if (h == NULL || h->func == NULL) 2406 return (EINVAL); 2407 2408 /* 2409 * Reuse the element if the handler is already on the list, otherwise 2410 * create a new element. 2411 */ 2412 TAILQ_FOREACH(he, &handlers, list) { 2413 if (he->func == h->func) 2414 break; 2415 } 2416 if (he == NULL) { 2417 MALLOC(he, struct handler_element *, sizeof(*he), 2418 M_LINUX, M_WAITOK); 2419 he->func = h->func; 2420 } else 2421 TAILQ_REMOVE(&handlers, he, list); 2422 2423 /* Initialize range information. */ 2424 he->low = h->low; 2425 he->high = h->high; 2426 he->span = h->high - h->low + 1; 2427 2428 /* Add the element to the list, sorted on span. */ 2429 TAILQ_FOREACH(cur, &handlers, list) { 2430 if (cur->span > he->span) { 2431 TAILQ_INSERT_BEFORE(cur, he, list); 2432 return (0); 2433 } 2434 } 2435 TAILQ_INSERT_TAIL(&handlers, he, list); 2436 2437 return (0); 2438 } 2439 2440 int 2441 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 2442 { 2443 struct handler_element *he; 2444 2445 if (h == NULL || h->func == NULL) 2446 return (EINVAL); 2447 2448 TAILQ_FOREACH(he, &handlers, list) { 2449 if (he->func == h->func) { 2450 TAILQ_REMOVE(&handlers, he, list); 2451 FREE(he, M_LINUX); 2452 return (0); 2453 } 2454 } 2455 2456 return (EINVAL); 2457 } 2458