linux_ioctl.c revision 116173
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: head/sys/compat/linux/linux_ioctl.c 116173 2003-06-10 21:29:12Z obrien $"); 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 65static linux_ioctl_function_t linux_ioctl_cdrom; 66static linux_ioctl_function_t linux_ioctl_vfat; 67static linux_ioctl_function_t linux_ioctl_console; 68static linux_ioctl_function_t linux_ioctl_disk; 69static linux_ioctl_function_t linux_ioctl_socket; 70static linux_ioctl_function_t linux_ioctl_sound; 71static linux_ioctl_function_t linux_ioctl_termio; 72static linux_ioctl_function_t linux_ioctl_private; 73static linux_ioctl_function_t linux_ioctl_drm; 74static linux_ioctl_function_t linux_ioctl_special; 75 76static struct linux_ioctl_handler cdrom_handler = 77{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 78static struct linux_ioctl_handler vfat_handler = 79{ linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 80static struct linux_ioctl_handler console_handler = 81{ linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 82static struct linux_ioctl_handler disk_handler = 83{ linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 84static struct linux_ioctl_handler socket_handler = 85{ linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 86static struct linux_ioctl_handler sound_handler = 87{ linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 88static struct linux_ioctl_handler termio_handler = 89{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 90static struct linux_ioctl_handler private_handler = 91{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 92static struct linux_ioctl_handler drm_handler = 93{ linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 94 95DATA_SET(linux_ioctl_handler_set, cdrom_handler); 96DATA_SET(linux_ioctl_handler_set, vfat_handler); 97DATA_SET(linux_ioctl_handler_set, console_handler); 98DATA_SET(linux_ioctl_handler_set, disk_handler); 99DATA_SET(linux_ioctl_handler_set, socket_handler); 100DATA_SET(linux_ioctl_handler_set, sound_handler); 101DATA_SET(linux_ioctl_handler_set, termio_handler); 102DATA_SET(linux_ioctl_handler_set, private_handler); 103DATA_SET(linux_ioctl_handler_set, drm_handler); 104 105struct 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 112static TAILQ_HEAD(, handler_element) handlers = 113 TAILQ_HEAD_INITIALIZER(handlers); 114 115static int 116linux_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 150struct 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 159struct 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 175struct linux_winsize { 176 unsigned short ws_row, ws_col; 177 unsigned short ws_xpixel, ws_ypixel; 178}; 179 180static 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 193struct 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 210static int 211linux_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 219static int 220bsd_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 228static void 229bsd_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 (lios->c_cc[i] == _POSIX_VDISABLE) 350 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 351 } 352 lios->c_line = 0; 353 354#ifdef DEBUG 355 if (ldebug(ioctl)) { 356 printf("LINUX: LINUX termios structure (output):\n"); 357 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 358 lios->c_iflag, lios->c_oflag, lios->c_cflag, 359 lios->c_lflag, (int)lios->c_line); 360 printf("c_cc "); 361 for (i=0; i<LINUX_NCCS; i++) 362 printf("%02x ", lios->c_cc[i]); 363 printf("\n"); 364 } 365#endif 366} 367 368static void 369linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 370{ 371 int i; 372 373#ifdef DEBUG 374 if (ldebug(ioctl)) { 375 printf("LINUX: LINUX termios structure (input):\n"); 376 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 377 lios->c_iflag, lios->c_oflag, lios->c_cflag, 378 lios->c_lflag, (int)lios->c_line); 379 printf("c_cc "); 380 for (i=0; i<LINUX_NCCS; i++) 381 printf("%02x ", lios->c_cc[i]); 382 printf("\n"); 383 } 384#endif 385 386 bios->c_iflag = 0; 387 if (lios->c_iflag & LINUX_IGNBRK) 388 bios->c_iflag |= IGNBRK; 389 if (lios->c_iflag & LINUX_BRKINT) 390 bios->c_iflag |= BRKINT; 391 if (lios->c_iflag & LINUX_IGNPAR) 392 bios->c_iflag |= IGNPAR; 393 if (lios->c_iflag & LINUX_PARMRK) 394 bios->c_iflag |= PARMRK; 395 if (lios->c_iflag & LINUX_INPCK) 396 bios->c_iflag |= INPCK; 397 if (lios->c_iflag & LINUX_ISTRIP) 398 bios->c_iflag |= ISTRIP; 399 if (lios->c_iflag & LINUX_INLCR) 400 bios->c_iflag |= INLCR; 401 if (lios->c_iflag & LINUX_IGNCR) 402 bios->c_iflag |= IGNCR; 403 if (lios->c_iflag & LINUX_ICRNL) 404 bios->c_iflag |= ICRNL; 405 if (lios->c_iflag & LINUX_IXON) 406 bios->c_iflag |= IXON; 407 if (lios->c_iflag & LINUX_IXANY) 408 bios->c_iflag |= IXANY; 409 if (lios->c_iflag & LINUX_IXOFF) 410 bios->c_iflag |= IXOFF; 411 if (lios->c_iflag & LINUX_IMAXBEL) 412 bios->c_iflag |= IMAXBEL; 413 414 bios->c_oflag = 0; 415 if (lios->c_oflag & LINUX_OPOST) 416 bios->c_oflag |= OPOST; 417 if (lios->c_oflag & LINUX_ONLCR) 418 bios->c_oflag |= ONLCR; 419 if (lios->c_oflag & LINUX_XTABS) 420 bios->c_oflag |= OXTABS; 421 422 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 423 if (lios->c_cflag & LINUX_CSTOPB) 424 bios->c_cflag |= CSTOPB; 425 if (lios->c_cflag & LINUX_CREAD) 426 bios->c_cflag |= CREAD; 427 if (lios->c_cflag & LINUX_PARENB) 428 bios->c_cflag |= PARENB; 429 if (lios->c_cflag & LINUX_PARODD) 430 bios->c_cflag |= PARODD; 431 if (lios->c_cflag & LINUX_HUPCL) 432 bios->c_cflag |= HUPCL; 433 if (lios->c_cflag & LINUX_CLOCAL) 434 bios->c_cflag |= CLOCAL; 435 if (lios->c_cflag & LINUX_CRTSCTS) 436 bios->c_cflag |= CRTSCTS; 437 438 bios->c_lflag = 0; 439 if (lios->c_lflag & LINUX_ISIG) 440 bios->c_lflag |= ISIG; 441 if (lios->c_lflag & LINUX_ICANON) 442 bios->c_lflag |= ICANON; 443 if (lios->c_lflag & LINUX_ECHO) 444 bios->c_lflag |= ECHO; 445 if (lios->c_lflag & LINUX_ECHOE) 446 bios->c_lflag |= ECHOE; 447 if (lios->c_lflag & LINUX_ECHOK) 448 bios->c_lflag |= ECHOK; 449 if (lios->c_lflag & LINUX_ECHONL) 450 bios->c_lflag |= ECHONL; 451 if (lios->c_lflag & LINUX_NOFLSH) 452 bios->c_lflag |= NOFLSH; 453 if (lios->c_lflag & LINUX_TOSTOP) 454 bios->c_lflag |= TOSTOP; 455 if (lios->c_lflag & LINUX_ECHOCTL) 456 bios->c_lflag |= ECHOCTL; 457 if (lios->c_lflag & LINUX_ECHOPRT) 458 bios->c_lflag |= ECHOPRT; 459 if (lios->c_lflag & LINUX_ECHOKE) 460 bios->c_lflag |= ECHOKE; 461 if (lios->c_lflag & LINUX_FLUSHO) 462 bios->c_lflag |= FLUSHO; 463 if (lios->c_lflag & LINUX_PENDIN) 464 bios->c_lflag |= PENDIN; 465 if (lios->c_lflag & LINUX_IEXTEN) 466 bios->c_lflag |= IEXTEN; 467 468 for (i=0; i<NCCS; i++) 469 bios->c_cc[i] = _POSIX_VDISABLE; 470 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 471 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 472 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 473 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 474 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 475 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 476 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 477 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 478 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 479 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 480 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 481 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 482 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 483 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 484 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 485 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 486 487 for (i=0; i<NCCS; i++) { 488 if (bios->c_cc[i] == LINUX_POSIX_VDISABLE) 489 bios->c_cc[i] = _POSIX_VDISABLE; 490 } 491 492 bios->c_ispeed = bios->c_ospeed = 493 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 494 495#ifdef DEBUG 496 if (ldebug(ioctl)) { 497 printf("LINUX: BSD termios structure (output):\n"); 498 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 499 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 500 bios->c_ispeed, bios->c_ospeed); 501 printf("c_cc "); 502 for (i=0; i<NCCS; i++) 503 printf("%02x ", bios->c_cc[i]); 504 printf("\n"); 505 } 506#endif 507} 508 509static void 510bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 511{ 512 struct linux_termios lios; 513 514 bsd_to_linux_termios(bios, &lios); 515 lio->c_iflag = lios.c_iflag; 516 lio->c_oflag = lios.c_oflag; 517 lio->c_cflag = lios.c_cflag; 518 lio->c_lflag = lios.c_lflag; 519 lio->c_line = lios.c_line; 520#ifdef __alpha__ 521 lio->c_cc[LINUX__VINTR] = lios.c_cc[LINUX_VINTR]; 522 lio->c_cc[LINUX__VQUIT] = lios.c_cc[LINUX_VQUIT]; 523 lio->c_cc[LINUX__VERASE] = lios.c_cc[LINUX_VERASE]; 524 lio->c_cc[LINUX__VKILL] = lios.c_cc[LINUX_VKILL]; 525 lio->c_cc[LINUX__VEOF] = 526 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN]; 527 lio->c_cc[LINUX__VEOL] = 528 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME]; 529 lio->c_cc[LINUX__VEOL2] = lios.c_cc[LINUX_VEOL2]; 530 lio->c_cc[LINUX__VSWTC] = lios.c_cc[LINUX_VSWTC]; 531#else 532 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 533#endif 534} 535 536static void 537linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 538{ 539 struct linux_termios lios; 540 int i; 541 542 lios.c_iflag = lio->c_iflag; 543 lios.c_oflag = lio->c_oflag; 544 lios.c_cflag = lio->c_cflag; 545 lios.c_lflag = lio->c_lflag; 546#ifdef __alpha__ 547 for (i=0; i<LINUX_NCCS; i++) 548 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 549 lios.c_cc[LINUX_VINTR] = lio->c_cc[LINUX__VINTR]; 550 lios.c_cc[LINUX_VQUIT] = lio->c_cc[LINUX__VQUIT]; 551 lios.c_cc[LINUX_VERASE] = lio->c_cc[LINUX__VERASE]; 552 lios.c_cc[LINUX_VKILL] = lio->c_cc[LINUX__VKILL]; 553 lios.c_cc[LINUX_VEOL2] = lio->c_cc[LINUX__VEOL2]; 554 lios.c_cc[LINUX_VSWTC] = lio->c_cc[LINUX__VSWTC]; 555 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN] = 556 lio->c_cc[LINUX__VEOF]; 557 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME] = 558 lio->c_cc[LINUX__VEOL]; 559#else 560 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 561 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 562 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 563#endif 564 linux_to_bsd_termios(&lios, bios); 565} 566 567static int 568linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 569{ 570 struct termios bios; 571 struct linux_termios lios; 572 struct linux_termio lio; 573 struct file *fp; 574 int error; 575 576 if ((error = fget(td, args->fd, &fp)) != 0) 577 return (error); 578 579 switch (args->cmd & 0xffff) { 580 581 case LINUX_TCGETS: 582 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 583 td); 584 if (error) 585 break; 586 bsd_to_linux_termios(&bios, &lios); 587 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 588 break; 589 590 case LINUX_TCSETS: 591 error = copyin((void *)args->arg, &lios, sizeof(lios)); 592 if (error) 593 break; 594 linux_to_bsd_termios(&lios, &bios); 595 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 596 td)); 597 break; 598 599 case LINUX_TCSETSW: 600 error = copyin((void *)args->arg, &lios, sizeof(lios)); 601 if (error) 602 break; 603 linux_to_bsd_termios(&lios, &bios); 604 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 605 td)); 606 break; 607 608 case LINUX_TCSETSF: 609 error = copyin((void *)args->arg, &lios, sizeof(lios)); 610 if (error) 611 break; 612 linux_to_bsd_termios(&lios, &bios); 613 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 614 td)); 615 break; 616 617 case LINUX_TCGETA: 618 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 619 td); 620 if (error) 621 break; 622 bsd_to_linux_termio(&bios, &lio); 623 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 624 break; 625 626 case LINUX_TCSETA: 627 error = copyin((void *)args->arg, &lio, sizeof(lio)); 628 if (error) 629 break; 630 linux_to_bsd_termio(&lio, &bios); 631 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 632 td)); 633 break; 634 635 case LINUX_TCSETAW: 636 error = copyin((void *)args->arg, &lio, sizeof(lio)); 637 if (error) 638 break; 639 linux_to_bsd_termio(&lio, &bios); 640 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 641 td)); 642 break; 643 644 case LINUX_TCSETAF: 645 error = copyin((void *)args->arg, &lio, sizeof(lio)); 646 if (error) 647 break; 648 linux_to_bsd_termio(&lio, &bios); 649 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 650 td)); 651 break; 652 653 /* LINUX_TCSBRK */ 654 655 case LINUX_TCXONC: { 656 switch (args->arg) { 657 case LINUX_TCOOFF: 658 args->cmd = TIOCSTOP; 659 break; 660 case LINUX_TCOON: 661 args->cmd = TIOCSTART; 662 break; 663 case LINUX_TCIOFF: 664 case LINUX_TCION: { 665 int c; 666 struct write_args wr; 667 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 668 td->td_ucred, td); 669 if (error) 670 break; 671 fdrop(fp, td); 672 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 673 c = bios.c_cc[c]; 674 if (c != _POSIX_VDISABLE) { 675 wr.fd = args->fd; 676 wr.buf = &c; 677 wr.nbyte = sizeof(c); 678 return (write(td, &wr)); 679 } else 680 return (0); 681 } 682 default: 683 fdrop(fp, td); 684 return (EINVAL); 685 } 686 args->arg = 0; 687 error = (ioctl(td, (struct ioctl_args *)args)); 688 break; 689 } 690 691 case LINUX_TCFLSH: { 692 args->cmd = TIOCFLUSH; 693 switch (args->arg) { 694 case LINUX_TCIFLUSH: 695 args->arg = FREAD; 696 break; 697 case LINUX_TCOFLUSH: 698 args->arg = FWRITE; 699 break; 700 case LINUX_TCIOFLUSH: 701 args->arg = FREAD | FWRITE; 702 break; 703 default: 704 fdrop(fp, td); 705 return (EINVAL); 706 } 707 error = (ioctl(td, (struct ioctl_args *)args)); 708 break; 709 } 710 711 case LINUX_TIOCEXCL: 712 args->cmd = TIOCEXCL; 713 error = (ioctl(td, (struct ioctl_args *)args)); 714 break; 715 716 case LINUX_TIOCNXCL: 717 args->cmd = TIOCNXCL; 718 error = (ioctl(td, (struct ioctl_args *)args)); 719 break; 720 721 case LINUX_TIOCSCTTY: 722 args->cmd = TIOCSCTTY; 723 error = (ioctl(td, (struct ioctl_args *)args)); 724 break; 725 726 case LINUX_TIOCGPGRP: 727 args->cmd = TIOCGPGRP; 728 error = (ioctl(td, (struct ioctl_args *)args)); 729 break; 730 731 case LINUX_TIOCSPGRP: 732 args->cmd = TIOCSPGRP; 733 error = (ioctl(td, (struct ioctl_args *)args)); 734 break; 735 736 /* LINUX_TIOCOUTQ */ 737 /* LINUX_TIOCSTI */ 738 739 case LINUX_TIOCGWINSZ: 740 args->cmd = TIOCGWINSZ; 741 error = (ioctl(td, (struct ioctl_args *)args)); 742 break; 743 744 case LINUX_TIOCSWINSZ: 745 args->cmd = TIOCSWINSZ; 746 error = (ioctl(td, (struct ioctl_args *)args)); 747 break; 748 749 case LINUX_TIOCMGET: 750 args->cmd = TIOCMGET; 751 error = (ioctl(td, (struct ioctl_args *)args)); 752 break; 753 754 case LINUX_TIOCMBIS: 755 args->cmd = TIOCMBIS; 756 error = (ioctl(td, (struct ioctl_args *)args)); 757 break; 758 759 case LINUX_TIOCMBIC: 760 args->cmd = TIOCMBIC; 761 error = (ioctl(td, (struct ioctl_args *)args)); 762 break; 763 764 case LINUX_TIOCMSET: 765 args->cmd = TIOCMSET; 766 error = (ioctl(td, (struct ioctl_args *)args)); 767 break; 768 769 /* TIOCGSOFTCAR */ 770 /* TIOCSSOFTCAR */ 771 772 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 773 args->cmd = FIONREAD; 774 error = (ioctl(td, (struct ioctl_args *)args)); 775 break; 776 777 /* LINUX_TIOCLINUX */ 778 779 case LINUX_TIOCCONS: 780 args->cmd = TIOCCONS; 781 error = (ioctl(td, (struct ioctl_args *)args)); 782 break; 783 784 case LINUX_TIOCGSERIAL: { 785 struct linux_serial_struct lss; 786 lss.type = LINUX_PORT_16550A; 787 lss.flags = 0; 788 lss.close_delay = 0; 789 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 790 break; 791 } 792 793 case LINUX_TIOCSSERIAL: { 794 struct linux_serial_struct lss; 795 error = copyin((void *)args->arg, &lss, sizeof(lss)); 796 if (error) 797 break; 798 /* XXX - It really helps to have an implementation that 799 * does nothing. NOT! 800 */ 801 error = 0; 802 break; 803 } 804 805 /* LINUX_TIOCPKT */ 806 807 case LINUX_FIONBIO: 808 args->cmd = FIONBIO; 809 error = (ioctl(td, (struct ioctl_args *)args)); 810 break; 811 812 case LINUX_TIOCNOTTY: 813 args->cmd = TIOCNOTTY; 814 error = (ioctl(td, (struct ioctl_args *)args)); 815 break; 816 817 case LINUX_TIOCSETD: { 818 int line; 819 switch (args->arg) { 820 case LINUX_N_TTY: 821 line = TTYDISC; 822 break; 823 case LINUX_N_SLIP: 824 line = SLIPDISC; 825 break; 826 case LINUX_N_PPP: 827 line = PPPDISC; 828 break; 829 default: 830 fdrop(fp, td); 831 return (EINVAL); 832 } 833 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 834 td)); 835 break; 836 } 837 838 case LINUX_TIOCGETD: { 839 int linux_line; 840 int bsd_line = TTYDISC; 841 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 842 td->td_ucred, td); 843 if (error) 844 return (error); 845 switch (bsd_line) { 846 case TTYDISC: 847 linux_line = LINUX_N_TTY; 848 break; 849 case SLIPDISC: 850 linux_line = LINUX_N_SLIP; 851 break; 852 case PPPDISC: 853 linux_line = LINUX_N_PPP; 854 break; 855 default: 856 fdrop(fp, td); 857 return (EINVAL); 858 } 859 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 860 break; 861 } 862 863 /* LINUX_TCSBRKP */ 864 /* LINUX_TIOCTTYGSTRUCT */ 865 866 case LINUX_FIONCLEX: 867 args->cmd = FIONCLEX; 868 error = (ioctl(td, (struct ioctl_args *)args)); 869 break; 870 871 case LINUX_FIOCLEX: 872 args->cmd = FIOCLEX; 873 error = (ioctl(td, (struct ioctl_args *)args)); 874 break; 875 876 case LINUX_FIOASYNC: 877 args->cmd = FIOASYNC; 878 error = (ioctl(td, (struct ioctl_args *)args)); 879 break; 880 881 /* LINUX_TIOCSERCONFIG */ 882 /* LINUX_TIOCSERGWILD */ 883 /* LINUX_TIOCSERSWILD */ 884 /* LINUX_TIOCGLCKTRMIOS */ 885 /* LINUX_TIOCSLCKTRMIOS */ 886 887 default: 888 error = ENOIOCTL; 889 break; 890 } 891 892 fdrop(fp, td); 893 return (error); 894} 895 896/* 897 * CDROM related ioctls 898 */ 899 900struct linux_cdrom_msf 901{ 902 u_char cdmsf_min0; 903 u_char cdmsf_sec0; 904 u_char cdmsf_frame0; 905 u_char cdmsf_min1; 906 u_char cdmsf_sec1; 907 u_char cdmsf_frame1; 908}; 909 910struct linux_cdrom_tochdr 911{ 912 u_char cdth_trk0; 913 u_char cdth_trk1; 914}; 915 916union linux_cdrom_addr 917{ 918 struct { 919 u_char minute; 920 u_char second; 921 u_char frame; 922 } msf; 923 int lba; 924}; 925 926struct linux_cdrom_tocentry 927{ 928 u_char cdte_track; 929 u_char cdte_adr:4; 930 u_char cdte_ctrl:4; 931 u_char cdte_format; 932 union linux_cdrom_addr cdte_addr; 933 u_char cdte_datamode; 934}; 935 936struct linux_cdrom_subchnl 937{ 938 u_char cdsc_format; 939 u_char cdsc_audiostatus; 940 u_char cdsc_adr:4; 941 u_char cdsc_ctrl:4; 942 u_char cdsc_trk; 943 u_char cdsc_ind; 944 union linux_cdrom_addr cdsc_absaddr; 945 union linux_cdrom_addr cdsc_reladdr; 946}; 947 948struct l_cdrom_read_audio { 949 union linux_cdrom_addr addr; 950 u_char addr_format; 951 l_int nframes; 952 u_char *buf; 953}; 954 955struct l_dvd_layer { 956 u_char book_version:4; 957 u_char book_type:4; 958 u_char min_rate:4; 959 u_char disc_size:4; 960 u_char layer_type:4; 961 u_char track_path:1; 962 u_char nlayers:2; 963 u_char track_density:4; 964 u_char linear_density:4; 965 u_char bca:1; 966 u_int32_t start_sector; 967 u_int32_t end_sector; 968 u_int32_t end_sector_l0; 969}; 970 971struct l_dvd_physical { 972 u_char type; 973 u_char layer_num; 974 struct l_dvd_layer layer[4]; 975}; 976 977struct l_dvd_copyright { 978 u_char type; 979 u_char layer_num; 980 u_char cpst; 981 u_char rmi; 982}; 983 984struct l_dvd_disckey { 985 u_char type; 986 l_uint agid:2; 987 u_char value[2048]; 988}; 989 990struct l_dvd_bca { 991 u_char type; 992 l_int len; 993 u_char value[188]; 994}; 995 996struct l_dvd_manufact { 997 u_char type; 998 u_char layer_num; 999 l_int len; 1000 u_char value[2048]; 1001}; 1002 1003typedef union { 1004 u_char type; 1005 struct l_dvd_physical physical; 1006 struct l_dvd_copyright copyright; 1007 struct l_dvd_disckey disckey; 1008 struct l_dvd_bca bca; 1009 struct l_dvd_manufact manufact; 1010} l_dvd_struct; 1011 1012typedef u_char l_dvd_key[5]; 1013typedef u_char l_dvd_challenge[10]; 1014 1015struct l_dvd_lu_send_agid { 1016 u_char type; 1017 l_uint agid:2; 1018}; 1019 1020struct l_dvd_host_send_challenge { 1021 u_char type; 1022 l_uint agid:2; 1023 l_dvd_challenge chal; 1024}; 1025 1026struct l_dvd_send_key { 1027 u_char type; 1028 l_uint agid:2; 1029 l_dvd_key key; 1030}; 1031 1032struct l_dvd_lu_send_challenge { 1033 u_char type; 1034 l_uint agid:2; 1035 l_dvd_challenge chal; 1036}; 1037 1038struct l_dvd_lu_send_title_key { 1039 u_char type; 1040 l_uint agid:2; 1041 l_dvd_key title_key; 1042 l_int lba; 1043 l_uint cpm:1; 1044 l_uint cp_sec:1; 1045 l_uint cgms:2; 1046}; 1047 1048struct l_dvd_lu_send_asf { 1049 u_char type; 1050 l_uint agid:2; 1051 l_uint asf:1; 1052}; 1053 1054struct l_dvd_host_send_rpcstate { 1055 u_char type; 1056 u_char pdrc; 1057}; 1058 1059struct l_dvd_lu_send_rpcstate { 1060 u_char type:2; 1061 u_char vra:3; 1062 u_char ucca:3; 1063 u_char region_mask; 1064 u_char rpc_scheme; 1065}; 1066 1067typedef union { 1068 u_char type; 1069 struct l_dvd_lu_send_agid lsa; 1070 struct l_dvd_host_send_challenge hsc; 1071 struct l_dvd_send_key lsk; 1072 struct l_dvd_lu_send_challenge lsc; 1073 struct l_dvd_send_key hsk; 1074 struct l_dvd_lu_send_title_key lstk; 1075 struct l_dvd_lu_send_asf lsasf; 1076 struct l_dvd_host_send_rpcstate hrpcs; 1077 struct l_dvd_lu_send_rpcstate lrpcs; 1078} l_dvd_authinfo; 1079 1080static void 1081bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1082{ 1083 if (af == CD_LBA_FORMAT) 1084 lp->lba = bp->lba; 1085 else { 1086 lp->msf.minute = bp->msf.minute; 1087 lp->msf.second = bp->msf.second; 1088 lp->msf.frame = bp->msf.frame; 1089 } 1090} 1091 1092static void 1093linux_to_bsd_msf_lba(u_char af, union linux_cdrom_addr *lp, union msf_lba *bp) 1094{ 1095 if (af == CD_LBA_FORMAT) 1096 bp->lba = lp->lba; 1097 else { 1098 bp->msf.minute = lp->msf.minute; 1099 bp->msf.second = lp->msf.second; 1100 bp->msf.frame = lp->msf.frame; 1101 } 1102} 1103 1104static void 1105set_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 1117static int 1118linux_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 1142static int 1143bsd_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 1188static int 1189linux_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 1251static int 1252bsd_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 1297static int 1298linux_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 1410 case LINUX_CDROMREADAUDIO: { 1411 struct l_cdrom_read_audio lra; 1412 struct ioc_read_audio bra; 1413 1414 error = copyin((void *)args->arg, &lra, sizeof(lra)); 1415 if (error) 1416 break; 1417 bra.address_format = lra.addr_format; 1418 linux_to_bsd_msf_lba(bra.address_format, &lra.addr, 1419 &bra.address); 1420 bra.nframes = lra.nframes; 1421 bra.buffer = lra.buf; 1422 error = fo_ioctl(fp, CDIOCREADAUDIO, (caddr_t)&bra, 1423 td->td_ucred, td); 1424 break; 1425 } 1426 1427 /* LINUX_CDROMEJECT_SW */ 1428 /* LINUX_CDROMMULTISESSION */ 1429 /* LINUX_CDROM_GET_UPC */ 1430 1431 case LINUX_CDROMRESET: 1432 args->cmd = CDIOCRESET; 1433 error = (ioctl(td, (struct ioctl_args *)args)); 1434 break; 1435 1436 /* LINUX_CDROMVOLREAD */ 1437 /* LINUX_CDROMREADRAW */ 1438 /* LINUX_CDROMREADCOOKED */ 1439 /* LINUX_CDROMSEEK */ 1440 /* LINUX_CDROMPLAYBLK */ 1441 /* LINUX_CDROMREADALL */ 1442 /* LINUX_CDROMCLOSETRAY */ 1443 /* LINUX_CDROMLOADFROMSLOT */ 1444 /* LINUX_CDROMGETSPINDOWN */ 1445 /* LINUX_CDROMSETSPINDOWN */ 1446 /* LINUX_CDROM_SET_OPTIONS */ 1447 /* LINUX_CDROM_CLEAR_OPTIONS */ 1448 /* LINUX_CDROM_SELECT_SPEED */ 1449 /* LINUX_CDROM_SELECT_DISC */ 1450 /* LINUX_CDROM_MEDIA_CHANGED */ 1451 /* LINUX_CDROM_DRIVE_STATUS */ 1452 /* LINUX_CDROM_DISC_STATUS */ 1453 /* LINUX_CDROM_CHANGER_NSLOTS */ 1454 /* LINUX_CDROM_LOCKDOOR */ 1455 /* LINUX_CDROM_DEBUG */ 1456 /* LINUX_CDROM_GET_CAPABILITY */ 1457 /* LINUX_CDROMAUDIOBUFSIZ */ 1458 1459 case LINUX_DVD_READ_STRUCT: { 1460 l_dvd_struct lds; 1461 struct dvd_struct bds; 1462 1463 error = copyin((void *)args->arg, &lds, sizeof(lds)); 1464 if (error) 1465 break; 1466 error = linux_to_bsd_dvd_struct(&lds, &bds); 1467 if (error) 1468 break; 1469 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)&bds, 1470 td->td_ucred, td); 1471 if (error) 1472 break; 1473 error = bsd_to_linux_dvd_struct(&bds, &lds); 1474 if (error) 1475 break; 1476 error = copyout(&lds, (void *)args->arg, sizeof(lds)); 1477 break; 1478 } 1479 1480 /* LINUX_DVD_WRITE_STRUCT */ 1481 1482 case LINUX_DVD_AUTH: { 1483 l_dvd_authinfo lda; 1484 struct dvd_authinfo bda; 1485 int bcode; 1486 1487 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1488 if (error) 1489 break; 1490 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1491 if (error) 1492 break; 1493 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1494 td); 1495 if (error) { 1496 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1497 lda.type = LINUX_DVD_AUTH_FAILURE; 1498 copyout(&lda, (void *)args->arg, sizeof(lda)); 1499 } 1500 break; 1501 } 1502 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1503 if (error) 1504 break; 1505 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1506 break; 1507 } 1508 1509 /* LINUX_CDROM_SEND_PACKET */ 1510 /* LINUX_CDROM_NEXT_WRITABLE */ 1511 /* LINUX_CDROM_LAST_WRITTEN */ 1512 1513 default: 1514 error = ENOIOCTL; 1515 break; 1516 } 1517 1518 fdrop(fp, td); 1519 return (error); 1520} 1521 1522static int 1523linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1524{ 1525 1526 return (ENOTTY); 1527} 1528 1529/* 1530 * Sound related ioctls 1531 */ 1532 1533static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1534 1535#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1536 1537static int 1538linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1539{ 1540 1541 switch (args->cmd & 0xffff) { 1542 1543 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1544 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1545 return (ioctl(td, (struct ioctl_args *)args)); 1546 1547 case LINUX_SOUND_MIXER_WRITE_BASS: 1548 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1549 return (ioctl(td, (struct ioctl_args *)args)); 1550 1551 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1552 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1553 return (ioctl(td, (struct ioctl_args *)args)); 1554 1555 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1556 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1557 return (ioctl(td, (struct ioctl_args *)args)); 1558 1559 case LINUX_SOUND_MIXER_WRITE_PCM: 1560 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1561 return (ioctl(td, (struct ioctl_args *)args)); 1562 1563 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1564 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1565 return (ioctl(td, (struct ioctl_args *)args)); 1566 1567 case LINUX_SOUND_MIXER_WRITE_LINE: 1568 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1569 return (ioctl(td, (struct ioctl_args *)args)); 1570 1571 case LINUX_SOUND_MIXER_WRITE_MIC: 1572 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1573 return (ioctl(td, (struct ioctl_args *)args)); 1574 1575 case LINUX_SOUND_MIXER_WRITE_CD: 1576 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1577 return (ioctl(td, (struct ioctl_args *)args)); 1578 1579 case LINUX_SOUND_MIXER_WRITE_IMIX: 1580 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1581 return (ioctl(td, (struct ioctl_args *)args)); 1582 1583 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1584 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1585 return (ioctl(td, (struct ioctl_args *)args)); 1586 1587 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1588 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1589 return (ioctl(td, (struct ioctl_args *)args)); 1590 1591 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1592 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1593 return (ioctl(td, (struct ioctl_args *)args)); 1594 1595 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1596 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1597 return (ioctl(td, (struct ioctl_args *)args)); 1598 1599 case LINUX_SOUND_MIXER_WRITE_LINE1: 1600 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1601 return (ioctl(td, (struct ioctl_args *)args)); 1602 1603 case LINUX_SOUND_MIXER_WRITE_LINE2: 1604 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1605 return (ioctl(td, (struct ioctl_args *)args)); 1606 1607 case LINUX_SOUND_MIXER_WRITE_LINE3: 1608 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1609 return (ioctl(td, (struct ioctl_args *)args)); 1610 1611 case LINUX_OSS_GETVERSION: { 1612 int version = linux_get_oss_version(td); 1613 return (copyout(&version, (void *)args->arg, sizeof(int))); 1614 } 1615 1616 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1617 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1618 return (ioctl(td, (struct ioctl_args *)args)); 1619 1620 case LINUX_SOUND_MIXER_READ_DEVMASK: 1621 args->cmd = SOUND_MIXER_READ_DEVMASK; 1622 return (ioctl(td, (struct ioctl_args *)args)); 1623 1624 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1625 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1626 return (ioctl(td, (struct ioctl_args *)args)); 1627 1628 case LINUX_SNDCTL_DSP_RESET: 1629 args->cmd = SNDCTL_DSP_RESET; 1630 return (ioctl(td, (struct ioctl_args *)args)); 1631 1632 case LINUX_SNDCTL_DSP_SYNC: 1633 args->cmd = SNDCTL_DSP_SYNC; 1634 return (ioctl(td, (struct ioctl_args *)args)); 1635 1636 case LINUX_SNDCTL_DSP_SPEED: 1637 args->cmd = SNDCTL_DSP_SPEED; 1638 return (ioctl(td, (struct ioctl_args *)args)); 1639 1640 case LINUX_SNDCTL_DSP_STEREO: 1641 args->cmd = SNDCTL_DSP_STEREO; 1642 return (ioctl(td, (struct ioctl_args *)args)); 1643 1644 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1645 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1646 return (ioctl(td, (struct ioctl_args *)args)); 1647 1648 case LINUX_SNDCTL_DSP_SETFMT: 1649 args->cmd = SNDCTL_DSP_SETFMT; 1650 return (ioctl(td, (struct ioctl_args *)args)); 1651 1652 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1653 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1654 return (ioctl(td, (struct ioctl_args *)args)); 1655 1656 case LINUX_SOUND_PCM_WRITE_FILTER: 1657 args->cmd = SOUND_PCM_WRITE_FILTER; 1658 return (ioctl(td, (struct ioctl_args *)args)); 1659 1660 case LINUX_SNDCTL_DSP_POST: 1661 args->cmd = SNDCTL_DSP_POST; 1662 return (ioctl(td, (struct ioctl_args *)args)); 1663 1664 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1665 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1666 return (ioctl(td, (struct ioctl_args *)args)); 1667 1668 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1669 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1670 return (ioctl(td, (struct ioctl_args *)args)); 1671 1672 case LINUX_SNDCTL_DSP_GETFMTS: 1673 args->cmd = SNDCTL_DSP_GETFMTS; 1674 return (ioctl(td, (struct ioctl_args *)args)); 1675 1676 case LINUX_SNDCTL_DSP_GETOSPACE: 1677 args->cmd = SNDCTL_DSP_GETOSPACE; 1678 return (ioctl(td, (struct ioctl_args *)args)); 1679 1680 case LINUX_SNDCTL_DSP_GETISPACE: 1681 args->cmd = SNDCTL_DSP_GETISPACE; 1682 return (ioctl(td, (struct ioctl_args *)args)); 1683 1684 case LINUX_SNDCTL_DSP_NONBLOCK: 1685 args->cmd = SNDCTL_DSP_NONBLOCK; 1686 return (ioctl(td, (struct ioctl_args *)args)); 1687 1688 case LINUX_SNDCTL_DSP_GETCAPS: 1689 args->cmd = SNDCTL_DSP_GETCAPS; 1690 return (ioctl(td, (struct ioctl_args *)args)); 1691 1692 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1693 args->cmd = SNDCTL_DSP_SETTRIGGER; 1694 return (ioctl(td, (struct ioctl_args *)args)); 1695 1696 case LINUX_SNDCTL_DSP_GETIPTR: 1697 args->cmd = SNDCTL_DSP_GETIPTR; 1698 return (ioctl(td, (struct ioctl_args *)args)); 1699 1700 case LINUX_SNDCTL_DSP_GETOPTR: 1701 args->cmd = SNDCTL_DSP_GETOPTR; 1702 return (ioctl(td, (struct ioctl_args *)args)); 1703 1704 case LINUX_SNDCTL_DSP_GETODELAY: 1705 args->cmd = SNDCTL_DSP_GETODELAY; 1706 return (ioctl(td, (struct ioctl_args *)args)); 1707 1708 case LINUX_SNDCTL_SEQ_RESET: 1709 args->cmd = SNDCTL_SEQ_RESET; 1710 return (ioctl(td, (struct ioctl_args *)args)); 1711 1712 case LINUX_SNDCTL_SEQ_SYNC: 1713 args->cmd = SNDCTL_SEQ_SYNC; 1714 return (ioctl(td, (struct ioctl_args *)args)); 1715 1716 case LINUX_SNDCTL_SYNTH_INFO: 1717 args->cmd = SNDCTL_SYNTH_INFO; 1718 return (ioctl(td, (struct ioctl_args *)args)); 1719 1720 case LINUX_SNDCTL_SEQ_CTRLRATE: 1721 args->cmd = SNDCTL_SEQ_CTRLRATE; 1722 return (ioctl(td, (struct ioctl_args *)args)); 1723 1724 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1725 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1726 return (ioctl(td, (struct ioctl_args *)args)); 1727 1728 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1729 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1730 return (ioctl(td, (struct ioctl_args *)args)); 1731 1732 case LINUX_SNDCTL_SEQ_PERCMODE: 1733 args->cmd = SNDCTL_SEQ_PERCMODE; 1734 return (ioctl(td, (struct ioctl_args *)args)); 1735 1736 case LINUX_SNDCTL_FM_LOAD_INSTR: 1737 args->cmd = SNDCTL_FM_LOAD_INSTR; 1738 return (ioctl(td, (struct ioctl_args *)args)); 1739 1740 case LINUX_SNDCTL_SEQ_TESTMIDI: 1741 args->cmd = SNDCTL_SEQ_TESTMIDI; 1742 return (ioctl(td, (struct ioctl_args *)args)); 1743 1744 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1745 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1746 return (ioctl(td, (struct ioctl_args *)args)); 1747 1748 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1749 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1750 return (ioctl(td, (struct ioctl_args *)args)); 1751 1752 case LINUX_SNDCTL_SEQ_NRMIDIS: 1753 args->cmd = SNDCTL_SEQ_NRMIDIS; 1754 return (ioctl(td, (struct ioctl_args *)args)); 1755 1756 case LINUX_SNDCTL_MIDI_INFO: 1757 args->cmd = SNDCTL_MIDI_INFO; 1758 return (ioctl(td, (struct ioctl_args *)args)); 1759 1760 case LINUX_SNDCTL_SEQ_TRESHOLD: 1761 args->cmd = SNDCTL_SEQ_TRESHOLD; 1762 return (ioctl(td, (struct ioctl_args *)args)); 1763 1764 case LINUX_SNDCTL_SYNTH_MEMAVL: 1765 args->cmd = SNDCTL_SYNTH_MEMAVL; 1766 return (ioctl(td, (struct ioctl_args *)args)); 1767 1768 } 1769 1770 return (ENOIOCTL); 1771} 1772 1773/* 1774 * Console related ioctls 1775 */ 1776 1777#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1778 1779static int 1780linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1781{ 1782 struct file *fp; 1783 int error; 1784 1785 if ((error = fget(td, args->fd, &fp)) != 0) 1786 return (error); 1787 switch (args->cmd & 0xffff) { 1788 1789 case LINUX_KIOCSOUND: 1790 args->cmd = KIOCSOUND; 1791 error = (ioctl(td, (struct ioctl_args *)args)); 1792 break; 1793 1794 case LINUX_KDMKTONE: 1795 args->cmd = KDMKTONE; 1796 error = (ioctl(td, (struct ioctl_args *)args)); 1797 break; 1798 1799 case LINUX_KDGETLED: 1800 args->cmd = KDGETLED; 1801 error = (ioctl(td, (struct ioctl_args *)args)); 1802 break; 1803 1804 case LINUX_KDSETLED: 1805 args->cmd = KDSETLED; 1806 error = (ioctl(td, (struct ioctl_args *)args)); 1807 break; 1808 1809 case LINUX_KDSETMODE: 1810 args->cmd = KDSETMODE; 1811 error = (ioctl(td, (struct ioctl_args *)args)); 1812 break; 1813 1814 case LINUX_KDGETMODE: 1815 args->cmd = KDGETMODE; 1816 error = (ioctl(td, (struct ioctl_args *)args)); 1817 break; 1818 1819 case LINUX_KDGKBMODE: 1820 args->cmd = KDGKBMODE; 1821 error = (ioctl(td, (struct ioctl_args *)args)); 1822 break; 1823 1824 case LINUX_KDSKBMODE: { 1825 int kbdmode; 1826 switch (args->arg) { 1827 case LINUX_KBD_RAW: 1828 kbdmode = K_RAW; 1829 break; 1830 case LINUX_KBD_XLATE: 1831 kbdmode = K_XLATE; 1832 break; 1833 case LINUX_KBD_MEDIUMRAW: 1834 kbdmode = K_RAW; 1835 break; 1836 default: 1837 fdrop(fp, td); 1838 return (EINVAL); 1839 } 1840 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 1841 td->td_ucred, td)); 1842 break; 1843 } 1844 1845 case LINUX_VT_OPENQRY: 1846 args->cmd = VT_OPENQRY; 1847 error = (ioctl(td, (struct ioctl_args *)args)); 1848 break; 1849 1850 case LINUX_VT_GETMODE: 1851 args->cmd = VT_GETMODE; 1852 error = (ioctl(td, (struct ioctl_args *)args)); 1853 break; 1854 1855 case LINUX_VT_SETMODE: { 1856 struct vt_mode *mode; 1857 args->cmd = VT_SETMODE; 1858 mode = (struct vt_mode *)args->arg; 1859 if (!ISSIGVALID(mode->frsig) && ISSIGVALID(mode->acqsig)) 1860 mode->frsig = mode->acqsig; 1861 error = (ioctl(td, (struct ioctl_args *)args)); 1862 break; 1863 } 1864 1865 case LINUX_VT_GETSTATE: 1866 args->cmd = VT_GETACTIVE; 1867 error = (ioctl(td, (struct ioctl_args *)args)); 1868 break; 1869 1870 case LINUX_VT_RELDISP: 1871 args->cmd = VT_RELDISP; 1872 error = (ioctl(td, (struct ioctl_args *)args)); 1873 break; 1874 1875 case LINUX_VT_ACTIVATE: 1876 args->cmd = VT_ACTIVATE; 1877 error = (ioctl(td, (struct ioctl_args *)args)); 1878 break; 1879 1880 case LINUX_VT_WAITACTIVE: 1881 args->cmd = VT_WAITACTIVE; 1882 error = (ioctl(td, (struct ioctl_args *)args)); 1883 break; 1884 1885 default: 1886 error = ENOIOCTL; 1887 break; 1888 } 1889 1890 fdrop(fp, td); 1891 return (error); 1892} 1893 1894/* 1895 * Criteria for interface name translation 1896 */ 1897#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1898 1899/* 1900 * Interface function used by linprocfs (at the time of writing). It's not 1901 * used by the Linuxulator itself. 1902 */ 1903int 1904linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1905{ 1906 struct ifnet *ifscan; 1907 int ethno; 1908 1909 /* Short-circuit non ethernet interfaces */ 1910 if (!IFP_IS_ETH(ifp)) 1911 return (snprintf(buffer, buflen, "%s%d", ifp->if_name, 1912 ifp->if_unit)); 1913 1914 /* Determine the (relative) unit number for ethernet interfaces */ 1915 ethno = 0; 1916 IFNET_RLOCK(); 1917 TAILQ_FOREACH(ifscan, &ifnet, if_link) { 1918 if (ifscan == ifp) { 1919 IFNET_RUNLOCK(); 1920 return (snprintf(buffer, buflen, "eth%d", ethno)); 1921 } 1922 if (IFP_IS_ETH(ifscan)) 1923 ethno++; 1924 } 1925 IFNET_RUNLOCK(); 1926 1927 return (0); 1928} 1929 1930/* 1931 * Translate a Linux interface name to a FreeBSD interface name, 1932 * and return the associated ifnet structure 1933 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 1934 * can point to the same buffer. 1935 */ 1936 1937static struct ifnet * 1938ifname_linux_to_bsd(const char *lxname, char *bsdname) 1939{ 1940 struct ifnet *ifp; 1941 int len, unit; 1942 char *ep; 1943 int is_eth, index; 1944 1945 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 1946 if (!isalpha(lxname[len])) 1947 break; 1948 if (len == 0 || len == LINUX_IFNAMSIZ) 1949 return (NULL); 1950 unit = (int)strtoul(lxname + len, &ep, 10); 1951 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 1952 return (NULL); 1953 index = 0; 1954 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 1955 IFNET_RLOCK(); 1956 TAILQ_FOREACH(ifp, &ifnet, if_link) { 1957 /* 1958 * Allow Linux programs to use FreeBSD names. Don't presume 1959 * we never have an interface named "eth", so don't make 1960 * the test optional based on is_eth. 1961 */ 1962 if (ifp->if_unit == unit && ifp->if_name[len] == '\0' && 1963 strncmp(ifp->if_name, lxname, len) == 0) 1964 break; 1965 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 1966 break; 1967 } 1968 IFNET_RUNLOCK(); 1969 if (ifp != NULL) 1970 snprintf(bsdname, IFNAMSIZ, "%s%d", ifp->if_name, ifp->if_unit); 1971 return (ifp); 1972} 1973 1974/* 1975 * Implement the SIOCGIFCONF ioctl 1976 */ 1977 1978static int 1979linux_ifconf(struct thread *td, struct ifconf *uifc) 1980{ 1981 struct ifconf ifc; 1982 struct l_ifreq ifr; 1983 struct ifnet *ifp; 1984 struct ifaddr *ifa; 1985 struct iovec iov; 1986 struct uio uio; 1987 int error, ethno; 1988 1989 error = copyin(uifc, &ifc, sizeof(ifc)); 1990 if (error != 0) 1991 return (error); 1992 1993 /* much easier to use uiomove than keep track ourselves */ 1994 iov.iov_base = ifc.ifc_buf; 1995 iov.iov_len = ifc.ifc_len; 1996 uio.uio_iov = &iov; 1997 uio.uio_iovcnt = 1; 1998 uio.uio_offset = 0; 1999 uio.uio_resid = ifc.ifc_len; 2000 uio.uio_segflg = UIO_USERSPACE; 2001 uio.uio_rw = UIO_READ; 2002 uio.uio_td = td; 2003 2004 /* Keep track of eth interfaces */ 2005 ethno = 0; 2006 2007 /* Return all AF_INET addresses of all interfaces */ 2008 IFNET_RLOCK(); /* could sleep XXX */ 2009 TAILQ_FOREACH(ifp, &ifnet, if_link) { 2010 if (uio.uio_resid <= 0) 2011 break; 2012 2013 bzero(&ifr, sizeof(ifr)); 2014 if (IFP_IS_ETH(ifp)) 2015 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2016 ethno++); 2017 else 2018 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "%s%d", 2019 ifp->if_name, ifp->if_unit); 2020 2021 /* Walk the address list */ 2022 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2023 struct sockaddr *sa = ifa->ifa_addr; 2024 2025 if (uio.uio_resid <= 0) 2026 break; 2027 2028 if (sa->sa_family == AF_INET) { 2029 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2030 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2031 sizeof(ifr.ifr_addr.sa_data)); 2032 2033 error = uiomove(&ifr, sizeof(ifr), &uio); 2034 if (error != 0) { 2035 IFNET_RUNLOCK(); 2036 return (error); 2037 } 2038 } 2039 } 2040 } 2041 IFNET_RUNLOCK(); 2042 2043 ifc.ifc_len -= uio.uio_resid; 2044 error = copyout(&ifc, uifc, sizeof(ifc)); 2045 2046 return (error); 2047} 2048 2049static int 2050linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2051{ 2052 l_short flags; 2053 2054 flags = ifp->if_flags & 0xffff; 2055 /* these flags have no Linux equivalent */ 2056 flags &= ~(IFF_SMART|IFF_OACTIVE|IFF_SIMPLEX| 2057 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2058 /* Linux' multicast flag is in a different bit */ 2059 if (flags & IFF_MULTICAST) { 2060 flags &= ~IFF_MULTICAST; 2061 flags |= 0x1000; 2062 } 2063 2064 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2065} 2066 2067#define ARPHRD_ETHER 1 2068#define ARPHRD_LOOPBACK 772 2069 2070static int 2071linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2072{ 2073 struct ifaddr *ifa; 2074 struct sockaddr_dl *sdl; 2075 struct l_sockaddr lsa; 2076 2077 if (ifp->if_type == IFT_LOOP) { 2078 bzero(&lsa, sizeof(lsa)); 2079 lsa.sa_family = ARPHRD_LOOPBACK; 2080 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2081 } 2082 2083 if (ifp->if_type != IFT_ETHER) 2084 return (ENOENT); 2085 2086 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2087 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2088 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2089 (sdl->sdl_type == IFT_ETHER)) { 2090 bzero(&lsa, sizeof(lsa)); 2091 lsa.sa_family = ARPHRD_ETHER; 2092 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2093 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2094 } 2095 } 2096 2097 return (ENOENT); 2098} 2099 2100/* 2101 * Socket related ioctls 2102 */ 2103 2104static int 2105linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2106{ 2107 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2108 struct ifnet *ifp; 2109 struct file *fp; 2110 int error, type; 2111 2112 KASSERT(LINUX_IFNAMSIZ == IFNAMSIZ, 2113 ("%s(): LINUX_IFNAMSIZ != IFNAMSIZ", __func__)); 2114 2115 ifp = NULL; 2116 error = 0; 2117 2118 if ((error = fget(td, args->fd, &fp)) != 0) 2119 return (error); 2120 type = fp->f_type; 2121 fdrop(fp, td); 2122 if (type != DTYPE_SOCKET) { 2123 /* not a socket - probably a tap / vmnet device */ 2124 switch (args->cmd) { 2125 case LINUX_SIOCGIFADDR: 2126 case LINUX_SIOCSIFADDR: 2127 case LINUX_SIOCGIFFLAGS: 2128 return (linux_ioctl_special(td, args)); 2129 default: 2130 return (ENOIOCTL); 2131 } 2132 } 2133 2134 switch (args->cmd & 0xffff) { 2135 2136 case LINUX_FIOGETOWN: 2137 case LINUX_FIOSETOWN: 2138 case LINUX_SIOCADDMULTI: 2139 case LINUX_SIOCATMARK: 2140 case LINUX_SIOCDELMULTI: 2141 case LINUX_SIOCGIFCONF: 2142 case LINUX_SIOCGPGRP: 2143 case LINUX_SIOCSPGRP: 2144 /* these ioctls don't take an interface name */ 2145#ifdef DEBUG 2146 printf("%s(): ioctl %d\n", __func__, 2147 args->cmd & 0xffff); 2148#endif 2149 break; 2150 2151 case LINUX_SIOCGIFFLAGS: 2152 case LINUX_SIOCGIFADDR: 2153 case LINUX_SIOCSIFADDR: 2154 case LINUX_SIOCGIFDSTADDR: 2155 case LINUX_SIOCGIFBRDADDR: 2156 case LINUX_SIOCGIFNETMASK: 2157 case LINUX_SIOCSIFNETMASK: 2158 case LINUX_SIOCGIFMTU: 2159 case LINUX_SIOCSIFMTU: 2160 case LINUX_SIOCSIFNAME: 2161 case LINUX_SIOCGIFHWADDR: 2162 case LINUX_SIOCSIFHWADDR: 2163 case LINUX_SIOCDEVPRIVATE: 2164 case LINUX_SIOCDEVPRIVATE+1: 2165 /* copy in the interface name and translate it. */ 2166 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2167 if (error != 0) 2168 return (error); 2169#ifdef DEBUG 2170 printf("%s(): ioctl %d on %.*s\n", __func__, 2171 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2172#endif 2173 ifp = ifname_linux_to_bsd(lifname, ifname); 2174 if (ifp == NULL) 2175 return (EINVAL); 2176 /* 2177 * We need to copy it back out in case we pass the 2178 * request on to our native ioctl(), which will expect 2179 * the ifreq to be in user space and have the correct 2180 * interface name. 2181 */ 2182 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2183 if (error != 0) 2184 return (error); 2185#ifdef DEBUG 2186 printf("%s(): %s translated to %s\n", __func__, 2187 lifname, ifname); 2188#endif 2189 break; 2190 2191 default: 2192 return (ENOIOCTL); 2193 } 2194 2195 switch (args->cmd & 0xffff) { 2196 2197 case LINUX_FIOSETOWN: 2198 args->cmd = FIOSETOWN; 2199 error = ioctl(td, (struct ioctl_args *)args); 2200 break; 2201 2202 case LINUX_SIOCSPGRP: 2203 args->cmd = SIOCSPGRP; 2204 error = ioctl(td, (struct ioctl_args *)args); 2205 break; 2206 2207 case LINUX_FIOGETOWN: 2208 args->cmd = FIOGETOWN; 2209 error = ioctl(td, (struct ioctl_args *)args); 2210 break; 2211 2212 case LINUX_SIOCGPGRP: 2213 args->cmd = SIOCGPGRP; 2214 error = ioctl(td, (struct ioctl_args *)args); 2215 break; 2216 2217 case LINUX_SIOCATMARK: 2218 args->cmd = SIOCATMARK; 2219 error = ioctl(td, (struct ioctl_args *)args); 2220 break; 2221 2222 /* LINUX_SIOCGSTAMP */ 2223 2224 case LINUX_SIOCGIFCONF: 2225 error = linux_ifconf(td, (struct ifconf *)args->arg); 2226 break; 2227 2228 case LINUX_SIOCGIFFLAGS: 2229 args->cmd = SIOCGIFFLAGS; 2230 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2231 break; 2232 2233 case LINUX_SIOCGIFADDR: 2234 args->cmd = OSIOCGIFADDR; 2235 error = ioctl(td, (struct ioctl_args *)args); 2236 break; 2237 2238 case LINUX_SIOCSIFADDR: 2239 /* XXX probably doesn't work, included for completeness */ 2240 args->cmd = SIOCSIFADDR; 2241 error = ioctl(td, (struct ioctl_args *)args); 2242 break; 2243 2244 case LINUX_SIOCGIFDSTADDR: 2245 args->cmd = OSIOCGIFDSTADDR; 2246 error = ioctl(td, (struct ioctl_args *)args); 2247 break; 2248 2249 case LINUX_SIOCGIFBRDADDR: 2250 args->cmd = OSIOCGIFBRDADDR; 2251 error = ioctl(td, (struct ioctl_args *)args); 2252 break; 2253 2254 case LINUX_SIOCGIFNETMASK: 2255 args->cmd = OSIOCGIFNETMASK; 2256 error = ioctl(td, (struct ioctl_args *)args); 2257 break; 2258 2259 case LINUX_SIOCSIFNETMASK: 2260 error = ENOIOCTL; 2261 break; 2262 2263 case LINUX_SIOCGIFMTU: 2264 args->cmd = SIOCGIFMTU; 2265 error = ioctl(td, (struct ioctl_args *)args); 2266 break; 2267 2268 case LINUX_SIOCSIFMTU: 2269 args->cmd = SIOCSIFMTU; 2270 error = ioctl(td, (struct ioctl_args *)args); 2271 break; 2272 2273 case LINUX_SIOCSIFNAME: 2274 error = ENOIOCTL; 2275 break; 2276 2277 case LINUX_SIOCGIFHWADDR: 2278 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2279 break; 2280 2281 case LINUX_SIOCSIFHWADDR: 2282 error = ENOIOCTL; 2283 break; 2284 2285 case LINUX_SIOCADDMULTI: 2286 args->cmd = SIOCADDMULTI; 2287 error = ioctl(td, (struct ioctl_args *)args); 2288 break; 2289 2290 case LINUX_SIOCDELMULTI: 2291 args->cmd = SIOCDELMULTI; 2292 error = ioctl(td, (struct ioctl_args *)args); 2293 break; 2294 2295 /* 2296 * XXX This is slightly bogus, but these ioctls are currently 2297 * XXX only used by the aironet (if_an) network driver. 2298 */ 2299 case LINUX_SIOCDEVPRIVATE: 2300 args->cmd = SIOCGPRIVATE_0; 2301 error = ioctl(td, (struct ioctl_args *)args); 2302 break; 2303 2304 case LINUX_SIOCDEVPRIVATE+1: 2305 args->cmd = SIOCGPRIVATE_1; 2306 error = ioctl(td, (struct ioctl_args *)args); 2307 break; 2308 } 2309 2310 if (ifp != NULL) 2311 /* restore the original interface name */ 2312 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2313 2314#ifdef DEBUG 2315 printf("%s(): returning %d\n", __func__, error); 2316#endif 2317 return (error); 2318} 2319 2320/* 2321 * Device private ioctl handler 2322 */ 2323static int 2324linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2325{ 2326 struct file *fp; 2327 int error, type; 2328 2329 if ((error = fget(td, args->fd, &fp)) != 0) 2330 return (error); 2331 type = fp->f_type; 2332 fdrop(fp, td); 2333 if (type == DTYPE_SOCKET) 2334 return (linux_ioctl_socket(td, args)); 2335 return (ENOIOCTL); 2336} 2337 2338/* 2339 * DRM ioctl handler (sys/dev/drm) 2340 */ 2341static int 2342linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2343{ 2344 args->cmd = SETDIR(args->cmd); 2345 return ioctl(td, (struct ioctl_args *)args); 2346} 2347 2348/* 2349 * Special ioctl handler 2350 */ 2351static int 2352linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2353{ 2354 int error; 2355 2356 switch (args->cmd) { 2357 case LINUX_SIOCGIFADDR: 2358 args->cmd = SIOCGIFADDR; 2359 error = ioctl(td, (struct ioctl_args *)args); 2360 break; 2361 case LINUX_SIOCSIFADDR: 2362 args->cmd = SIOCSIFADDR; 2363 error = ioctl(td, (struct ioctl_args *)args); 2364 break; 2365 case LINUX_SIOCGIFFLAGS: 2366 args->cmd = SIOCGIFFLAGS; 2367 error = ioctl(td, (struct ioctl_args *)args); 2368 break; 2369 default: 2370 error = ENOIOCTL; 2371 } 2372 2373 return (error); 2374} 2375 2376/* 2377 * main ioctl syscall function 2378 */ 2379 2380int 2381linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 2382{ 2383 struct file *fp; 2384 struct handler_element *he; 2385 int error, cmd; 2386 2387#ifdef DEBUG 2388 if (ldebug(ioctl)) 2389 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 2390 (unsigned long)args->cmd); 2391#endif 2392 2393 if ((error = fget(td, args->fd, &fp)) != 0) 2394 return (error); 2395 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 2396 fdrop(fp, td); 2397 return (EBADF); 2398 } 2399 2400 /* Iterate over the ioctl handlers */ 2401 cmd = args->cmd & 0xffff; 2402 TAILQ_FOREACH(he, &handlers, list) { 2403 if (cmd >= he->low && cmd <= he->high) { 2404 error = (*he->func)(td, args); 2405 if (error != ENOIOCTL) { 2406 fdrop(fp, td); 2407 return (error); 2408 } 2409 } 2410 } 2411 fdrop(fp, td); 2412 2413 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 2414 args->fd, (int)(args->cmd & 0xffff), 2415 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 2416 2417 return (EINVAL); 2418} 2419 2420int 2421linux_ioctl_register_handler(struct linux_ioctl_handler *h) 2422{ 2423 struct handler_element *he, *cur; 2424 2425 if (h == NULL || h->func == NULL) 2426 return (EINVAL); 2427 2428 /* 2429 * Reuse the element if the handler is already on the list, otherwise 2430 * create a new element. 2431 */ 2432 TAILQ_FOREACH(he, &handlers, list) { 2433 if (he->func == h->func) 2434 break; 2435 } 2436 if (he == NULL) { 2437 MALLOC(he, struct handler_element *, sizeof(*he), 2438 M_LINUX, M_WAITOK); 2439 he->func = h->func; 2440 } else 2441 TAILQ_REMOVE(&handlers, he, list); 2442 2443 /* Initialize range information. */ 2444 he->low = h->low; 2445 he->high = h->high; 2446 he->span = h->high - h->low + 1; 2447 2448 /* Add the element to the list, sorted on span. */ 2449 TAILQ_FOREACH(cur, &handlers, list) { 2450 if (cur->span > he->span) { 2451 TAILQ_INSERT_BEFORE(cur, he, list); 2452 return (0); 2453 } 2454 } 2455 TAILQ_INSERT_TAIL(&handlers, he, list); 2456 2457 return (0); 2458} 2459 2460int 2461linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 2462{ 2463 struct handler_element *he; 2464 2465 if (h == NULL || h->func == NULL) 2466 return (EINVAL); 2467 2468 TAILQ_FOREACH(he, &handlers, list) { 2469 if (he->func == h->func) { 2470 TAILQ_REMOVE(&handlers, he, list); 2471 FREE(he, M_LINUX); 2472 return (0); 2473 } 2474 } 2475 2476 return (EINVAL); 2477} 2478