Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/linux_ioctl.c
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1 /* 2 * Copyright (c) 1994-1995 Søren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: releng/5.1/sys/compat/linux/linux_ioctl.c 113991 2003-04-24 23:36:35Z anholt $ 29 */ 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/sysproto.h> 34 #include <sys/cdio.h> 35 #include <sys/dvdio.h> 36 #include <sys/conf.h> 37 #include <sys/disk.h> 38 #include <sys/consio.h> 39 #include <sys/ctype.h> 40 #include <sys/fcntl.h> 41 #include <sys/file.h> 42 #include <sys/filedesc.h> 43 #include <sys/filio.h> 44 #include <sys/kbio.h> 45 #include <sys/linker_set.h> 46 #include <sys/malloc.h> 47 #include <sys/proc.h> 48 #include <sys/socket.h> 49 #include <sys/sockio.h> 50 #include <sys/soundcard.h> 51 #include <sys/tty.h> 52 #include <sys/uio.h> 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_types.h> 56 57 #include <machine/../linux/linux.h> 58 #include <machine/../linux/linux_proto.h> 59 60 #include <compat/linux/linux_ioctl.h> 61 #include <compat/linux/linux_mib.h> 62 #include <compat/linux/linux_util.h> 63 64 static linux_ioctl_function_t linux_ioctl_cdrom; 65 static linux_ioctl_function_t linux_ioctl_vfat; 66 static linux_ioctl_function_t linux_ioctl_console; 67 static linux_ioctl_function_t linux_ioctl_disk; 68 static linux_ioctl_function_t linux_ioctl_socket; 69 static linux_ioctl_function_t linux_ioctl_sound; 70 static linux_ioctl_function_t linux_ioctl_termio; 71 static linux_ioctl_function_t linux_ioctl_private; 72 static linux_ioctl_function_t linux_ioctl_drm; 73 static linux_ioctl_function_t linux_ioctl_special; 74 75 static struct linux_ioctl_handler cdrom_handler = 76 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 77 static struct linux_ioctl_handler vfat_handler = 78 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 79 static struct linux_ioctl_handler console_handler = 80 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 81 static struct linux_ioctl_handler disk_handler = 82 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 83 static struct linux_ioctl_handler socket_handler = 84 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 85 static struct linux_ioctl_handler sound_handler = 86 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 87 static struct linux_ioctl_handler termio_handler = 88 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 89 static struct linux_ioctl_handler private_handler = 90 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 91 static struct linux_ioctl_handler drm_handler = 92 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 93 94 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 95 DATA_SET(linux_ioctl_handler_set, vfat_handler); 96 DATA_SET(linux_ioctl_handler_set, console_handler); 97 DATA_SET(linux_ioctl_handler_set, disk_handler); 98 DATA_SET(linux_ioctl_handler_set, socket_handler); 99 DATA_SET(linux_ioctl_handler_set, sound_handler); 100 DATA_SET(linux_ioctl_handler_set, termio_handler); 101 DATA_SET(linux_ioctl_handler_set, private_handler); 102 DATA_SET(linux_ioctl_handler_set, drm_handler); 103 104 struct handler_element 105 { 106 TAILQ_ENTRY(handler_element) list; 107 int (*func)(struct thread *, struct linux_ioctl_args *); 108 int low, high, span; 109 }; 110 111 static TAILQ_HEAD(, handler_element) handlers = 112 TAILQ_HEAD_INITIALIZER(handlers); 113 114 static int 115 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 116 { 117 struct file *fp; 118 int error; 119 u_int sectorsize; 120 off_t mediasize; 121 122 if ((error = fget(td, args->fd, &fp)) != 0) 123 return (error); 124 switch (args->cmd & 0xffff) { 125 case LINUX_BLKGETSIZE: 126 error = fo_ioctl(fp, DIOCGSECTORSIZE, 127 (caddr_t)§orsize, td->td_ucred, td); 128 if (!error) 129 error = fo_ioctl(fp, DIOCGMEDIASIZE, 130 (caddr_t)&mediasize, td->td_ucred, td); 131 fdrop(fp, td); 132 if (error) 133 return (error); 134 sectorsize = mediasize / sectorsize; 135 /* 136 * XXX: How do we know we return the right size of integer ? 137 */ 138 return (copyout(§orsize, (void *)args->arg, 139 sizeof(sectorsize))); 140 } 141 fdrop(fp, td); 142 return (ENOIOCTL); 143 } 144 145 /* 146 * termio related ioctls 147 */ 148 149 struct linux_termio { 150 unsigned short c_iflag; 151 unsigned short c_oflag; 152 unsigned short c_cflag; 153 unsigned short c_lflag; 154 unsigned char c_line; 155 unsigned char c_cc[LINUX_NCC]; 156 }; 157 158 struct linux_termios { 159 unsigned int c_iflag; 160 unsigned int c_oflag; 161 unsigned int c_cflag; 162 unsigned int c_lflag; 163 #ifdef __alpha__ 164 unsigned char c_cc[LINUX_NCCS]; 165 unsigned char c_line; 166 unsigned int c_ispeed; 167 unsigned int c_ospeed; 168 #else 169 unsigned char c_line; 170 unsigned char c_cc[LINUX_NCCS]; 171 #endif 172 }; 173 174 struct linux_winsize { 175 unsigned short ws_row, ws_col; 176 unsigned short ws_xpixel, ws_ypixel; 177 }; 178 179 static struct speedtab sptab[] = { 180 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 181 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 182 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 183 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 184 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 185 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 186 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 187 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 188 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 189 {-1, -1 } 190 }; 191 192 struct linux_serial_struct { 193 int type; 194 int line; 195 int port; 196 int irq; 197 int flags; 198 int xmit_fifo_size; 199 int custom_divisor; 200 int baud_base; 201 unsigned short close_delay; 202 char reserved_char[2]; 203 int hub6; 204 unsigned short closing_wait; 205 unsigned short closing_wait2; 206 int reserved[4]; 207 }; 208 209 static int 210 linux_to_bsd_speed(int code, struct speedtab *table) 211 { 212 for ( ; table->sp_code != -1; table++) 213 if (table->sp_code == code) 214 return (table->sp_speed); 215 return -1; 216 } 217 218 static int 219 bsd_to_linux_speed(int speed, struct speedtab *table) 220 { 221 for ( ; table->sp_speed != -1; table++) 222 if (table->sp_speed == speed) 223 return (table->sp_code); 224 return -1; 225 } 226 227 static void 228 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 229 { 230 int i; 231 232 #ifdef DEBUG 233 if (ldebug(ioctl)) { 234 printf("LINUX: BSD termios structure (input):\n"); 235 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 236 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 237 bios->c_ispeed, bios->c_ospeed); 238 printf("c_cc "); 239 for (i=0; i<NCCS; i++) 240 printf("%02x ", bios->c_cc[i]); 241 printf("\n"); 242 } 243 #endif 244 245 lios->c_iflag = 0; 246 if (bios->c_iflag & IGNBRK) 247 lios->c_iflag |= LINUX_IGNBRK; 248 if (bios->c_iflag & BRKINT) 249 lios->c_iflag |= LINUX_BRKINT; 250 if (bios->c_iflag & IGNPAR) 251 lios->c_iflag |= LINUX_IGNPAR; 252 if (bios->c_iflag & PARMRK) 253 lios->c_iflag |= LINUX_PARMRK; 254 if (bios->c_iflag & INPCK) 255 lios->c_iflag |= LINUX_INPCK; 256 if (bios->c_iflag & ISTRIP) 257 lios->c_iflag |= LINUX_ISTRIP; 258 if (bios->c_iflag & INLCR) 259 lios->c_iflag |= LINUX_INLCR; 260 if (bios->c_iflag & IGNCR) 261 lios->c_iflag |= LINUX_IGNCR; 262 if (bios->c_iflag & ICRNL) 263 lios->c_iflag |= LINUX_ICRNL; 264 if (bios->c_iflag & IXON) 265 lios->c_iflag |= LINUX_IXON; 266 if (bios->c_iflag & IXANY) 267 lios->c_iflag |= LINUX_IXANY; 268 if (bios->c_iflag & IXOFF) 269 lios->c_iflag |= LINUX_IXOFF; 270 if (bios->c_iflag & IMAXBEL) 271 lios->c_iflag |= LINUX_IMAXBEL; 272 273 lios->c_oflag = 0; 274 if (bios->c_oflag & OPOST) 275 lios->c_oflag |= LINUX_OPOST; 276 if (bios->c_oflag & ONLCR) 277 lios->c_oflag |= LINUX_ONLCR; 278 if (bios->c_oflag & OXTABS) 279 lios->c_oflag |= LINUX_XTABS; 280 281 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 282 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 283 if (bios->c_cflag & CSTOPB) 284 lios->c_cflag |= LINUX_CSTOPB; 285 if (bios->c_cflag & CREAD) 286 lios->c_cflag |= LINUX_CREAD; 287 if (bios->c_cflag & PARENB) 288 lios->c_cflag |= LINUX_PARENB; 289 if (bios->c_cflag & PARODD) 290 lios->c_cflag |= LINUX_PARODD; 291 if (bios->c_cflag & HUPCL) 292 lios->c_cflag |= LINUX_HUPCL; 293 if (bios->c_cflag & CLOCAL) 294 lios->c_cflag |= LINUX_CLOCAL; 295 if (bios->c_cflag & CRTSCTS) 296 lios->c_cflag |= LINUX_CRTSCTS; 297 298 lios->c_lflag = 0; 299 if (bios->c_lflag & ISIG) 300 lios->c_lflag |= LINUX_ISIG; 301 if (bios->c_lflag & ICANON) 302 lios->c_lflag |= LINUX_ICANON; 303 if (bios->c_lflag & ECHO) 304 lios->c_lflag |= LINUX_ECHO; 305 if (bios->c_lflag & ECHOE) 306 lios->c_lflag |= LINUX_ECHOE; 307 if (bios->c_lflag & ECHOK) 308 lios->c_lflag |= LINUX_ECHOK; 309 if (bios->c_lflag & ECHONL) 310 lios->c_lflag |= LINUX_ECHONL; 311 if (bios->c_lflag & NOFLSH) 312 lios->c_lflag |= LINUX_NOFLSH; 313 if (bios->c_lflag & TOSTOP) 314 lios->c_lflag |= LINUX_TOSTOP; 315 if (bios->c_lflag & ECHOCTL) 316 lios->c_lflag |= LINUX_ECHOCTL; 317 if (bios->c_lflag & ECHOPRT) 318 lios->c_lflag |= LINUX_ECHOPRT; 319 if (bios->c_lflag & ECHOKE) 320 lios->c_lflag |= LINUX_ECHOKE; 321 if (bios->c_lflag & FLUSHO) 322 lios->c_lflag |= LINUX_FLUSHO; 323 if (bios->c_lflag & PENDIN) 324 lios->c_lflag |= LINUX_PENDIN; 325 if (bios->c_lflag & IEXTEN) 326 lios->c_lflag |= LINUX_IEXTEN; 327 328 for (i=0; i<LINUX_NCCS; i++) 329 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 330 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 331 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 332 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 333 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 334 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 335 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 336 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 337 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 338 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 339 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 340 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 341 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 342 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 343 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 344 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 345 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 346 347 for (i=0; i<LINUX_NCCS; i++) { 348 if (lios->c_cc[i] == _POSIX_VDISABLE) 349 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 350 } 351 lios->c_line = 0; 352 353 #ifdef DEBUG 354 if (ldebug(ioctl)) { 355 printf("LINUX: LINUX termios structure (output):\n"); 356 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 357 lios->c_iflag, lios->c_oflag, lios->c_cflag, 358 lios->c_lflag, (int)lios->c_line); 359 printf("c_cc "); 360 for (i=0; i<LINUX_NCCS; i++) 361 printf("%02x ", lios->c_cc[i]); 362 printf("\n"); 363 } 364 #endif 365 } 366 367 static void 368 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 369 { 370 int i; 371 372 #ifdef DEBUG 373 if (ldebug(ioctl)) { 374 printf("LINUX: LINUX termios structure (input):\n"); 375 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 376 lios->c_iflag, lios->c_oflag, lios->c_cflag, 377 lios->c_lflag, (int)lios->c_line); 378 printf("c_cc "); 379 for (i=0; i<LINUX_NCCS; i++) 380 printf("%02x ", lios->c_cc[i]); 381 printf("\n"); 382 } 383 #endif 384 385 bios->c_iflag = 0; 386 if (lios->c_iflag & LINUX_IGNBRK) 387 bios->c_iflag |= IGNBRK; 388 if (lios->c_iflag & LINUX_BRKINT) 389 bios->c_iflag |= BRKINT; 390 if (lios->c_iflag & LINUX_IGNPAR) 391 bios->c_iflag |= IGNPAR; 392 if (lios->c_iflag & LINUX_PARMRK) 393 bios->c_iflag |= PARMRK; 394 if (lios->c_iflag & LINUX_INPCK) 395 bios->c_iflag |= INPCK; 396 if (lios->c_iflag & LINUX_ISTRIP) 397 bios->c_iflag |= ISTRIP; 398 if (lios->c_iflag & LINUX_INLCR) 399 bios->c_iflag |= INLCR; 400 if (lios->c_iflag & LINUX_IGNCR) 401 bios->c_iflag |= IGNCR; 402 if (lios->c_iflag & LINUX_ICRNL) 403 bios->c_iflag |= ICRNL; 404 if (lios->c_iflag & LINUX_IXON) 405 bios->c_iflag |= IXON; 406 if (lios->c_iflag & LINUX_IXANY) 407 bios->c_iflag |= IXANY; 408 if (lios->c_iflag & LINUX_IXOFF) 409 bios->c_iflag |= IXOFF; 410 if (lios->c_iflag & LINUX_IMAXBEL) 411 bios->c_iflag |= IMAXBEL; 412 413 bios->c_oflag = 0; 414 if (lios->c_oflag & LINUX_OPOST) 415 bios->c_oflag |= OPOST; 416 if (lios->c_oflag & LINUX_ONLCR) 417 bios->c_oflag |= ONLCR; 418 if (lios->c_oflag & LINUX_XTABS) 419 bios->c_oflag |= OXTABS; 420 421 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 422 if (lios->c_cflag & LINUX_CSTOPB) 423 bios->c_cflag |= CSTOPB; 424 if (lios->c_cflag & LINUX_CREAD) 425 bios->c_cflag |= CREAD; 426 if (lios->c_cflag & LINUX_PARENB) 427 bios->c_cflag |= PARENB; 428 if (lios->c_cflag & LINUX_PARODD) 429 bios->c_cflag |= PARODD; 430 if (lios->c_cflag & LINUX_HUPCL) 431 bios->c_cflag |= HUPCL; 432 if (lios->c_cflag & LINUX_CLOCAL) 433 bios->c_cflag |= CLOCAL; 434 if (lios->c_cflag & LINUX_CRTSCTS) 435 bios->c_cflag |= CRTSCTS; 436 437 bios->c_lflag = 0; 438 if (lios->c_lflag & LINUX_ISIG) 439 bios->c_lflag |= ISIG; 440 if (lios->c_lflag & LINUX_ICANON) 441 bios->c_lflag |= ICANON; 442 if (lios->c_lflag & LINUX_ECHO) 443 bios->c_lflag |= ECHO; 444 if (lios->c_lflag & LINUX_ECHOE) 445 bios->c_lflag |= ECHOE; 446 if (lios->c_lflag & LINUX_ECHOK) 447 bios->c_lflag |= ECHOK; 448 if (lios->c_lflag & LINUX_ECHONL) 449 bios->c_lflag |= ECHONL; 450 if (lios->c_lflag & LINUX_NOFLSH) 451 bios->c_lflag |= NOFLSH; 452 if (lios->c_lflag & LINUX_TOSTOP) 453 bios->c_lflag |= TOSTOP; 454 if (lios->c_lflag & LINUX_ECHOCTL) 455 bios->c_lflag |= ECHOCTL; 456 if (lios->c_lflag & LINUX_ECHOPRT) 457 bios->c_lflag |= ECHOPRT; 458 if (lios->c_lflag & LINUX_ECHOKE) 459 bios->c_lflag |= ECHOKE; 460 if (lios->c_lflag & LINUX_FLUSHO) 461 bios->c_lflag |= FLUSHO; 462 if (lios->c_lflag & LINUX_PENDIN) 463 bios->c_lflag |= PENDIN; 464 if (lios->c_lflag & LINUX_IEXTEN) 465 bios->c_lflag |= IEXTEN; 466 467 for (i=0; i<NCCS; i++) 468 bios->c_cc[i] = _POSIX_VDISABLE; 469 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 470 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 471 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 472 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 473 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 474 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 475 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 476 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 477 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 478 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 479 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 480 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 481 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 482 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 483 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 484 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 485 486 for (i=0; i<NCCS; i++) { 487 if (bios->c_cc[i] == LINUX_POSIX_VDISABLE) 488 bios->c_cc[i] = _POSIX_VDISABLE; 489 } 490 491 bios->c_ispeed = bios->c_ospeed = 492 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 493 494 #ifdef DEBUG 495 if (ldebug(ioctl)) { 496 printf("LINUX: BSD termios structure (output):\n"); 497 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 498 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 499 bios->c_ispeed, bios->c_ospeed); 500 printf("c_cc "); 501 for (i=0; i<NCCS; i++) 502 printf("%02x ", bios->c_cc[i]); 503 printf("\n"); 504 } 505 #endif 506 } 507 508 static void 509 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 510 { 511 struct linux_termios lios; 512 513 bsd_to_linux_termios(bios, &lios); 514 lio->c_iflag = lios.c_iflag; 515 lio->c_oflag = lios.c_oflag; 516 lio->c_cflag = lios.c_cflag; 517 lio->c_lflag = lios.c_lflag; 518 lio->c_line = lios.c_line; 519 #ifdef __alpha__ 520 lio->c_cc[LINUX__VINTR] = lios.c_cc[LINUX_VINTR]; 521 lio->c_cc[LINUX__VQUIT] = lios.c_cc[LINUX_VQUIT]; 522 lio->c_cc[LINUX__VERASE] = lios.c_cc[LINUX_VERASE]; 523 lio->c_cc[LINUX__VKILL] = lios.c_cc[LINUX_VKILL]; 524 lio->c_cc[LINUX__VEOF] = 525 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN]; 526 lio->c_cc[LINUX__VEOL] = 527 lios.c_cc[(lios.c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME]; 528 lio->c_cc[LINUX__VEOL2] = lios.c_cc[LINUX_VEOL2]; 529 lio->c_cc[LINUX__VSWTC] = lios.c_cc[LINUX_VSWTC]; 530 #else 531 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 532 #endif 533 } 534 535 static void 536 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 537 { 538 struct linux_termios lios; 539 int i; 540 541 lios.c_iflag = lio->c_iflag; 542 lios.c_oflag = lio->c_oflag; 543 lios.c_cflag = lio->c_cflag; 544 lios.c_lflag = lio->c_lflag; 545 #ifdef __alpha__ 546 for (i=0; i<LINUX_NCCS; i++) 547 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 548 lios.c_cc[LINUX_VINTR] = lio->c_cc[LINUX__VINTR]; 549 lios.c_cc[LINUX_VQUIT] = lio->c_cc[LINUX__VQUIT]; 550 lios.c_cc[LINUX_VERASE] = lio->c_cc[LINUX__VERASE]; 551 lios.c_cc[LINUX_VKILL] = lio->c_cc[LINUX__VKILL]; 552 lios.c_cc[LINUX_VEOL2] = lio->c_cc[LINUX__VEOL2]; 553 lios.c_cc[LINUX_VSWTC] = lio->c_cc[LINUX__VSWTC]; 554 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOF : LINUX_VMIN] = 555 lio->c_cc[LINUX__VEOF]; 556 lios.c_cc[(lio->c_lflag & ICANON) ? LINUX_VEOL : LINUX_VTIME] = 557 lio->c_cc[LINUX__VEOL]; 558 #else 559 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 560 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 561 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 562 #endif 563 linux_to_bsd_termios(&lios, bios); 564 } 565 566 static int 567 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 568 { 569 struct termios bios; 570 struct linux_termios lios; 571 struct linux_termio lio; 572 struct file *fp; 573 int error; 574 575 if ((error = fget(td, args->fd, &fp)) != 0) 576 return (error); 577 578 switch (args->cmd & 0xffff) { 579 580 case LINUX_TCGETS: 581 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 582 td); 583 if (error) 584 break; 585 bsd_to_linux_termios(&bios, &lios); 586 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 587 break; 588 589 case LINUX_TCSETS: 590 error = copyin((void *)args->arg, &lios, sizeof(lios)); 591 if (error) 592 break; 593 linux_to_bsd_termios(&lios, &bios); 594 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 595 td)); 596 break; 597 598 case LINUX_TCSETSW: 599 error = copyin((void *)args->arg, &lios, sizeof(lios)); 600 if (error) 601 break; 602 linux_to_bsd_termios(&lios, &bios); 603 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 604 td)); 605 break; 606 607 case LINUX_TCSETSF: 608 error = copyin((void *)args->arg, &lios, sizeof(lios)); 609 if (error) 610 break; 611 linux_to_bsd_termios(&lios, &bios); 612 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 613 td)); 614 break; 615 616 case LINUX_TCGETA: 617 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 618 td); 619 if (error) 620 break; 621 bsd_to_linux_termio(&bios, &lio); 622 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 623 break; 624 625 case LINUX_TCSETA: 626 error = copyin((void *)args->arg, &lio, sizeof(lio)); 627 if (error) 628 break; 629 linux_to_bsd_termio(&lio, &bios); 630 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 631 td)); 632 break; 633 634 case LINUX_TCSETAW: 635 error = copyin((void *)args->arg, &lio, sizeof(lio)); 636 if (error) 637 break; 638 linux_to_bsd_termio(&lio, &bios); 639 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 640 td)); 641 break; 642 643 case LINUX_TCSETAF: 644 error = copyin((void *)args->arg, &lio, sizeof(lio)); 645 if (error) 646 break; 647 linux_to_bsd_termio(&lio, &bios); 648 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 649 td)); 650 break; 651 652 /* LINUX_TCSBRK */ 653 654 case LINUX_TCXONC: { 655 switch (args->arg) { 656 case LINUX_TCOOFF: 657 args->cmd = TIOCSTOP; 658 break; 659 case LINUX_TCOON: 660 args->cmd = TIOCSTART; 661 break; 662 case LINUX_TCIOFF: 663 case LINUX_TCION: { 664 int c; 665 struct write_args wr; 666 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 667 td->td_ucred, td); 668 if (error) 669 break; 670 fdrop(fp, td); 671 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 672 c = bios.c_cc[c]; 673 if (c != _POSIX_VDISABLE) { 674 wr.fd = args->fd; 675 wr.buf = &c; 676 wr.nbyte = sizeof(c); 677 return (write(td, &wr)); 678 } else 679 return (0); 680 } 681 default: 682 fdrop(fp, td); 683 return (EINVAL); 684 } 685 args->arg = 0; 686 error = (ioctl(td, (struct ioctl_args *)args)); 687 break; 688 } 689 690 case LINUX_TCFLSH: { 691 args->cmd = TIOCFLUSH; 692 switch (args->arg) { 693 case LINUX_TCIFLUSH: 694 args->arg = FREAD; 695 break; 696 case LINUX_TCOFLUSH: 697 args->arg = FWRITE; 698 break; 699 case LINUX_TCIOFLUSH: 700 args->arg = FREAD | FWRITE; 701 break; 702 default: 703 fdrop(fp, td); 704 return (EINVAL); 705 } 706 error = (ioctl(td, (struct ioctl_args *)args)); 707 break; 708 } 709 710 case LINUX_TIOCEXCL: 711 args->cmd = TIOCEXCL; 712 error = (ioctl(td, (struct ioctl_args *)args)); 713 break; 714 715 case LINUX_TIOCNXCL: 716 args->cmd = TIOCNXCL; 717 error = (ioctl(td, (struct ioctl_args *)args)); 718 break; 719 720 case LINUX_TIOCSCTTY: 721 args->cmd = TIOCSCTTY; 722 error = (ioctl(td, (struct ioctl_args *)args)); 723 break; 724 725 case LINUX_TIOCGPGRP: 726 args->cmd = TIOCGPGRP; 727 error = (ioctl(td, (struct ioctl_args *)args)); 728 break; 729 730 case LINUX_TIOCSPGRP: 731 args->cmd = TIOCSPGRP; 732 error = (ioctl(td, (struct ioctl_args *)args)); 733 break; 734 735 /* LINUX_TIOCOUTQ */ 736 /* LINUX_TIOCSTI */ 737 738 case LINUX_TIOCGWINSZ: 739 args->cmd = TIOCGWINSZ; 740 error = (ioctl(td, (struct ioctl_args *)args)); 741 break; 742 743 case LINUX_TIOCSWINSZ: 744 args->cmd = TIOCSWINSZ; 745 error = (ioctl(td, (struct ioctl_args *)args)); 746 break; 747 748 case LINUX_TIOCMGET: 749 args->cmd = TIOCMGET; 750 error = (ioctl(td, (struct ioctl_args *)args)); 751 break; 752 753 case LINUX_TIOCMBIS: 754 args->cmd = TIOCMBIS; 755 error = (ioctl(td, (struct ioctl_args *)args)); 756 break; 757 758 case LINUX_TIOCMBIC: 759 args->cmd = TIOCMBIC; 760 error = (ioctl(td, (struct ioctl_args *)args)); 761 break; 762 763 case LINUX_TIOCMSET: 764 args->cmd = TIOCMSET; 765 error = (ioctl(td, (struct ioctl_args *)args)); 766 break; 767 768 /* TIOCGSOFTCAR */ 769 /* TIOCSSOFTCAR */ 770 771 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 772 args->cmd = FIONREAD; 773 error = (ioctl(td, (struct ioctl_args *)args)); 774 break; 775 776 /* LINUX_TIOCLINUX */ 777 778 case LINUX_TIOCCONS: 779 args->cmd = TIOCCONS; 780 error = (ioctl(td, (struct ioctl_args *)args)); 781 break; 782 783 case LINUX_TIOCGSERIAL: { 784 struct linux_serial_struct lss; 785 lss.type = LINUX_PORT_16550A; 786 lss.flags = 0; 787 lss.close_delay = 0; 788 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 789 break; 790 } 791 792 case LINUX_TIOCSSERIAL: { 793 struct linux_serial_struct lss; 794 error = copyin((void *)args->arg, &lss, sizeof(lss)); 795 if (error) 796 break; 797 /* XXX - It really helps to have an implementation that 798 * does nothing. NOT! 799 */ 800 error = 0; 801 break; 802 } 803 804 /* LINUX_TIOCPKT */ 805 806 case LINUX_FIONBIO: 807 args->cmd = FIONBIO; 808 error = (ioctl(td, (struct ioctl_args *)args)); 809 break; 810 811 case LINUX_TIOCNOTTY: 812 args->cmd = TIOCNOTTY; 813 error = (ioctl(td, (struct ioctl_args *)args)); 814 break; 815 816 case LINUX_TIOCSETD: { 817 int line; 818 switch (args->arg) { 819 case LINUX_N_TTY: 820 line = TTYDISC; 821 break; 822 case LINUX_N_SLIP: 823 line = SLIPDISC; 824 break; 825 case LINUX_N_PPP: 826 line = PPPDISC; 827 break; 828 default: 829 fdrop(fp, td); 830 return (EINVAL); 831 } 832 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 833 td)); 834 break; 835 } 836 837 case LINUX_TIOCGETD: { 838 int linux_line; 839 int bsd_line = TTYDISC; 840 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 841 td->td_ucred, td); 842 if (error) 843 return (error); 844 switch (bsd_line) { 845 case TTYDISC: 846 linux_line = LINUX_N_TTY; 847 break; 848 case SLIPDISC: 849 linux_line = LINUX_N_SLIP; 850 break; 851 case PPPDISC: 852 linux_line = LINUX_N_PPP; 853 break; 854 default: 855 fdrop(fp, td); 856 return (EINVAL); 857 } 858 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 859 break; 860 } 861 862 /* LINUX_TCSBRKP */ 863 /* LINUX_TIOCTTYGSTRUCT */ 864 865 case LINUX_FIONCLEX: 866 args->cmd = FIONCLEX; 867 error = (ioctl(td, (struct ioctl_args *)args)); 868 break; 869 870 case LINUX_FIOCLEX: 871 args->cmd = FIOCLEX; 872 error = (ioctl(td, (struct ioctl_args *)args)); 873 break; 874 875 case LINUX_FIOASYNC: 876 args->cmd = FIOASYNC; 877 error = (ioctl(td, (struct ioctl_args *)args)); 878 break; 879 880 /* LINUX_TIOCSERCONFIG */ 881 /* LINUX_TIOCSERGWILD */ 882 /* LINUX_TIOCSERSWILD */ 883 /* LINUX_TIOCGLCKTRMIOS */ 884 /* LINUX_TIOCSLCKTRMIOS */ 885 886 default: 887 error = ENOIOCTL; 888 break; 889 } 890 891 fdrop(fp, td); 892 return (error); 893 } 894 895 /* 896 * CDROM related ioctls 897 */ 898 899 struct linux_cdrom_msf 900 { 901 u_char cdmsf_min0; 902 u_char cdmsf_sec0; 903 u_char cdmsf_frame0; 904 u_char cdmsf_min1; 905 u_char cdmsf_sec1; 906 u_char cdmsf_frame1; 907 }; 908 909 struct linux_cdrom_tochdr 910 { 911 u_char cdth_trk0; 912 u_char cdth_trk1; 913 }; 914 915 union linux_cdrom_addr 916 { 917 struct { 918 u_char minute; 919 u_char second; 920 u_char frame; 921 } msf; 922 int lba; 923 }; 924 925 struct linux_cdrom_tocentry 926 { 927 u_char cdte_track; 928 u_char cdte_adr:4; 929 u_char cdte_ctrl:4; 930 u_char cdte_format; 931 union linux_cdrom_addr cdte_addr; 932 u_char cdte_datamode; 933 }; 934 935 struct linux_cdrom_subchnl 936 { 937 u_char cdsc_format; 938 u_char cdsc_audiostatus; 939 u_char cdsc_adr:4; 940 u_char cdsc_ctrl:4; 941 u_char cdsc_trk; 942 u_char cdsc_ind; 943 union linux_cdrom_addr cdsc_absaddr; 944 union linux_cdrom_addr cdsc_reladdr; 945 }; 946 947 struct l_cdrom_read_audio { 948 union linux_cdrom_addr addr; 949 u_char addr_format; 950 l_int nframes; 951 u_char *buf; 952 }; 953 954 struct l_dvd_layer { 955 u_char book_version:4; 956 u_char book_type:4; 957 u_char min_rate:4; 958 u_char disc_size:4; 959 u_char layer_type:4; 960 u_char track_path:1; 961 u_char nlayers:2; 962 u_char track_density:4; 963 u_char linear_density:4; 964 u_char bca:1; 965 u_int32_t start_sector; 966 u_int32_t end_sector; 967 u_int32_t end_sector_l0; 968 }; 969 970 struct l_dvd_physical { 971 u_char type; 972 u_char layer_num; 973 struct l_dvd_layer layer[4]; 974 }; 975 976 struct l_dvd_copyright { 977 u_char type; 978 u_char layer_num; 979 u_char cpst; 980 u_char rmi; 981 }; 982 983 struct l_dvd_disckey { 984 u_char type; 985 l_uint agid:2; 986 u_char value[2048]; 987 }; 988 989 struct l_dvd_bca { 990 u_char type; 991 l_int len; 992 u_char value[188]; 993 }; 994 995 struct l_dvd_manufact { 996 u_char type; 997 u_char layer_num; 998 l_int len; 999 u_char value[2048]; 1000 }; 1001 1002 typedef union { 1003 u_char type; 1004 struct l_dvd_physical physical; 1005 struct l_dvd_copyright copyright; 1006 struct l_dvd_disckey disckey; 1007 struct l_dvd_bca bca; 1008 struct l_dvd_manufact manufact; 1009 } l_dvd_struct; 1010 1011 typedef u_char l_dvd_key[5]; 1012 typedef u_char l_dvd_challenge[10]; 1013 1014 struct l_dvd_lu_send_agid { 1015 u_char type; 1016 l_uint agid:2; 1017 }; 1018 1019 struct l_dvd_host_send_challenge { 1020 u_char type; 1021 l_uint agid:2; 1022 l_dvd_challenge chal; 1023 }; 1024 1025 struct l_dvd_send_key { 1026 u_char type; 1027 l_uint agid:2; 1028 l_dvd_key key; 1029 }; 1030 1031 struct l_dvd_lu_send_challenge { 1032 u_char type; 1033 l_uint agid:2; 1034 l_dvd_challenge chal; 1035 }; 1036 1037 struct l_dvd_lu_send_title_key { 1038 u_char type; 1039 l_uint agid:2; 1040 l_dvd_key title_key; 1041 l_int lba; 1042 l_uint cpm:1; 1043 l_uint cp_sec:1; 1044 l_uint cgms:2; 1045 }; 1046 1047 struct l_dvd_lu_send_asf { 1048 u_char type; 1049 l_uint agid:2; 1050 l_uint asf:1; 1051 }; 1052 1053 struct l_dvd_host_send_rpcstate { 1054 u_char type; 1055 u_char pdrc; 1056 }; 1057 1058 struct l_dvd_lu_send_rpcstate { 1059 u_char type:2; 1060 u_char vra:3; 1061 u_char ucca:3; 1062 u_char region_mask; 1063 u_char rpc_scheme; 1064 }; 1065 1066 typedef union { 1067 u_char type; 1068 struct l_dvd_lu_send_agid lsa; 1069 struct l_dvd_host_send_challenge hsc; 1070 struct l_dvd_send_key lsk; 1071 struct l_dvd_lu_send_challenge lsc; 1072 struct l_dvd_send_key hsk; 1073 struct l_dvd_lu_send_title_key lstk; 1074 struct l_dvd_lu_send_asf lsasf; 1075 struct l_dvd_host_send_rpcstate hrpcs; 1076 struct l_dvd_lu_send_rpcstate lrpcs; 1077 } l_dvd_authinfo; 1078 1079 static void 1080 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1081 { 1082 if (af == CD_LBA_FORMAT) 1083 lp->lba = bp->lba; 1084 else { 1085 lp->msf.minute = bp->msf.minute; 1086 lp->msf.second = bp->msf.second; 1087 lp->msf.frame = bp->msf.frame; 1088 } 1089 } 1090 1091 static void 1092 linux_to_bsd_msf_lba(u_char af, union linux_cdrom_addr *lp, union msf_lba *bp) 1093 { 1094 if (af == CD_LBA_FORMAT) 1095 bp->lba = lp->lba; 1096 else { 1097 bp->msf.minute = lp->msf.minute; 1098 bp->msf.second = lp->msf.second; 1099 bp->msf.frame = lp->msf.frame; 1100 } 1101 } 1102 1103 static void 1104 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1105 { 1106 if (format == LINUX_CDROM_MSF) { 1107 addr->msf.frame = lba % 75; 1108 lba /= 75; 1109 lba += 2; 1110 addr->msf.second = lba % 60; 1111 addr->msf.minute = lba / 60; 1112 } else 1113 addr->lba = lba; 1114 } 1115 1116 static int 1117 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1118 { 1119 bp->format = lp->type; 1120 switch (bp->format) { 1121 case DVD_STRUCT_PHYSICAL: 1122 if (bp->layer_num >= 4) 1123 return (EINVAL); 1124 bp->layer_num = lp->physical.layer_num; 1125 break; 1126 case DVD_STRUCT_COPYRIGHT: 1127 bp->layer_num = lp->copyright.layer_num; 1128 break; 1129 case DVD_STRUCT_DISCKEY: 1130 bp->agid = lp->disckey.agid; 1131 break; 1132 case DVD_STRUCT_BCA: 1133 case DVD_STRUCT_MANUFACT: 1134 break; 1135 default: 1136 return (EINVAL); 1137 } 1138 return (0); 1139 } 1140 1141 static int 1142 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1143 { 1144 switch (bp->format) { 1145 case DVD_STRUCT_PHYSICAL: { 1146 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1147 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1148 memset(llp, 0, sizeof(*llp)); 1149 llp->book_version = blp->book_version; 1150 llp->book_type = blp->book_type; 1151 llp->min_rate = blp->max_rate; 1152 llp->disc_size = blp->disc_size; 1153 llp->layer_type = blp->layer_type; 1154 llp->track_path = blp->track_path; 1155 llp->nlayers = blp->nlayers; 1156 llp->track_density = blp->track_density; 1157 llp->linear_density = blp->linear_density; 1158 llp->bca = blp->bca; 1159 llp->start_sector = blp->start_sector; 1160 llp->end_sector = blp->end_sector; 1161 llp->end_sector_l0 = blp->end_sector_l0; 1162 break; 1163 } 1164 case DVD_STRUCT_COPYRIGHT: 1165 lp->copyright.cpst = bp->cpst; 1166 lp->copyright.rmi = bp->rmi; 1167 break; 1168 case DVD_STRUCT_DISCKEY: 1169 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1170 break; 1171 case DVD_STRUCT_BCA: 1172 lp->bca.len = bp->length; 1173 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1174 break; 1175 case DVD_STRUCT_MANUFACT: 1176 lp->manufact.len = bp->length; 1177 memcpy(lp->manufact.value, bp->data, 1178 sizeof(lp->manufact.value)); 1179 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1180 break; 1181 default: 1182 return (EINVAL); 1183 } 1184 return (0); 1185 } 1186 1187 static int 1188 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1189 struct dvd_authinfo *bp) 1190 { 1191 switch (lp->type) { 1192 case LINUX_DVD_LU_SEND_AGID: 1193 *bcode = DVDIOCREPORTKEY; 1194 bp->format = DVD_REPORT_AGID; 1195 bp->agid = lp->lsa.agid; 1196 break; 1197 case LINUX_DVD_HOST_SEND_CHALLENGE: 1198 *bcode = DVDIOCSENDKEY; 1199 bp->format = DVD_SEND_CHALLENGE; 1200 bp->agid = lp->hsc.agid; 1201 memcpy(bp->keychal, lp->hsc.chal, 10); 1202 break; 1203 case LINUX_DVD_LU_SEND_KEY1: 1204 *bcode = DVDIOCREPORTKEY; 1205 bp->format = DVD_REPORT_KEY1; 1206 bp->agid = lp->lsk.agid; 1207 break; 1208 case LINUX_DVD_LU_SEND_CHALLENGE: 1209 *bcode = DVDIOCREPORTKEY; 1210 bp->format = DVD_REPORT_CHALLENGE; 1211 bp->agid = lp->lsc.agid; 1212 break; 1213 case LINUX_DVD_HOST_SEND_KEY2: 1214 *bcode = DVDIOCSENDKEY; 1215 bp->format = DVD_SEND_KEY2; 1216 bp->agid = lp->hsk.agid; 1217 memcpy(bp->keychal, lp->hsk.key, 5); 1218 break; 1219 case LINUX_DVD_LU_SEND_TITLE_KEY: 1220 *bcode = DVDIOCREPORTKEY; 1221 bp->format = DVD_REPORT_TITLE_KEY; 1222 bp->agid = lp->lstk.agid; 1223 bp->lba = lp->lstk.lba; 1224 break; 1225 case LINUX_DVD_LU_SEND_ASF: 1226 *bcode = DVDIOCREPORTKEY; 1227 bp->format = DVD_REPORT_ASF; 1228 bp->agid = lp->lsasf.agid; 1229 break; 1230 case LINUX_DVD_INVALIDATE_AGID: 1231 *bcode = DVDIOCREPORTKEY; 1232 bp->format = DVD_INVALIDATE_AGID; 1233 bp->agid = lp->lsa.agid; 1234 break; 1235 case LINUX_DVD_LU_SEND_RPC_STATE: 1236 *bcode = DVDIOCREPORTKEY; 1237 bp->format = DVD_REPORT_RPC; 1238 break; 1239 case LINUX_DVD_HOST_SEND_RPC_STATE: 1240 *bcode = DVDIOCSENDKEY; 1241 bp->format = DVD_SEND_RPC; 1242 bp->region = lp->hrpcs.pdrc; 1243 break; 1244 default: 1245 return (EINVAL); 1246 } 1247 return (0); 1248 } 1249 1250 static int 1251 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1252 { 1253 switch (lp->type) { 1254 case LINUX_DVD_LU_SEND_AGID: 1255 lp->lsa.agid = bp->agid; 1256 break; 1257 case LINUX_DVD_HOST_SEND_CHALLENGE: 1258 lp->type = LINUX_DVD_LU_SEND_KEY1; 1259 break; 1260 case LINUX_DVD_LU_SEND_KEY1: 1261 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1262 break; 1263 case LINUX_DVD_LU_SEND_CHALLENGE: 1264 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1265 break; 1266 case LINUX_DVD_HOST_SEND_KEY2: 1267 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1268 break; 1269 case LINUX_DVD_LU_SEND_TITLE_KEY: 1270 memcpy(lp->lstk.title_key, bp->keychal, 1271 sizeof(lp->lstk.title_key)); 1272 lp->lstk.cpm = bp->cpm; 1273 lp->lstk.cp_sec = bp->cp_sec; 1274 lp->lstk.cgms = bp->cgms; 1275 break; 1276 case LINUX_DVD_LU_SEND_ASF: 1277 lp->lsasf.asf = bp->asf; 1278 break; 1279 case LINUX_DVD_INVALIDATE_AGID: 1280 break; 1281 case LINUX_DVD_LU_SEND_RPC_STATE: 1282 lp->lrpcs.type = bp->reg_type; 1283 lp->lrpcs.vra = bp->vend_rsts; 1284 lp->lrpcs.ucca = bp->user_rsts; 1285 lp->lrpcs.region_mask = bp->region; 1286 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1287 break; 1288 case LINUX_DVD_HOST_SEND_RPC_STATE: 1289 break; 1290 default: 1291 return (EINVAL); 1292 } 1293 return (0); 1294 } 1295 1296 static int 1297 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1298 { 1299 struct file *fp; 1300 int error; 1301 1302 if ((error = fget(td, args->fd, &fp)) != 0) 1303 return (error); 1304 switch (args->cmd & 0xffff) { 1305 1306 case LINUX_CDROMPAUSE: 1307 args->cmd = CDIOCPAUSE; 1308 error = (ioctl(td, (struct ioctl_args *)args)); 1309 break; 1310 1311 case LINUX_CDROMRESUME: 1312 args->cmd = CDIOCRESUME; 1313 error = (ioctl(td, (struct ioctl_args *)args)); 1314 break; 1315 1316 case LINUX_CDROMPLAYMSF: 1317 args->cmd = CDIOCPLAYMSF; 1318 error = (ioctl(td, (struct ioctl_args *)args)); 1319 break; 1320 1321 case LINUX_CDROMPLAYTRKIND: 1322 args->cmd = CDIOCPLAYTRACKS; 1323 error = (ioctl(td, (struct ioctl_args *)args)); 1324 break; 1325 1326 case LINUX_CDROMREADTOCHDR: { 1327 struct ioc_toc_header th; 1328 struct linux_cdrom_tochdr lth; 1329 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1330 td->td_ucred, td); 1331 if (!error) { 1332 lth.cdth_trk0 = th.starting_track; 1333 lth.cdth_trk1 = th.ending_track; 1334 copyout(<h, (void *)args->arg, sizeof(lth)); 1335 } 1336 break; 1337 } 1338 1339 case LINUX_CDROMREADTOCENTRY: { 1340 struct linux_cdrom_tocentry lte, *ltep = 1341 (struct linux_cdrom_tocentry *)args->arg; 1342 struct ioc_read_toc_single_entry irtse; 1343 irtse.address_format = ltep->cdte_format; 1344 irtse.track = ltep->cdte_track; 1345 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1346 td->td_ucred, td); 1347 if (!error) { 1348 lte = *ltep; 1349 lte.cdte_ctrl = irtse.entry.control; 1350 lte.cdte_adr = irtse.entry.addr_type; 1351 bsd_to_linux_msf_lba(irtse.address_format, 1352 &irtse.entry.addr, <e.cdte_addr); 1353 copyout(<e, (void *)args->arg, sizeof(lte)); 1354 } 1355 break; 1356 } 1357 1358 case LINUX_CDROMSTOP: 1359 args->cmd = CDIOCSTOP; 1360 error = (ioctl(td, (struct ioctl_args *)args)); 1361 break; 1362 1363 case LINUX_CDROMSTART: 1364 args->cmd = CDIOCSTART; 1365 error = (ioctl(td, (struct ioctl_args *)args)); 1366 break; 1367 1368 case LINUX_CDROMEJECT: 1369 args->cmd = CDIOCEJECT; 1370 error = (ioctl(td, (struct ioctl_args *)args)); 1371 break; 1372 1373 /* LINUX_CDROMVOLCTRL */ 1374 1375 case LINUX_CDROMSUBCHNL: { 1376 struct linux_cdrom_subchnl sc; 1377 struct ioc_read_subchannel bsdsc; 1378 struct cd_sub_channel_info *bsdinfo; 1379 caddr_t sg = stackgap_init(); 1380 bsdinfo = stackgap_alloc(&sg, sizeof(*bsdinfo)); 1381 bsdsc.address_format = CD_LBA_FORMAT; 1382 bsdsc.data_format = CD_CURRENT_POSITION; 1383 bsdsc.track = 0; 1384 bsdsc.data_len = sizeof(*bsdinfo); 1385 bsdsc.data = bsdinfo; 1386 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1387 td->td_ucred, td); 1388 if (error) 1389 break; 1390 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1391 if (error) 1392 break; 1393 sc.cdsc_audiostatus = bsdinfo->header.audio_status; 1394 sc.cdsc_adr = bsdinfo->what.position.addr_type; 1395 sc.cdsc_ctrl = bsdinfo->what.position.control; 1396 sc.cdsc_trk = bsdinfo->what.position.track_number; 1397 sc.cdsc_ind = bsdinfo->what.position.index_number; 1398 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1399 bsdinfo->what.position.absaddr.lba); 1400 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1401 bsdinfo->what.position.reladdr.lba); 1402 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1403 break; 1404 } 1405 1406 /* LINUX_CDROMREADMODE2 */ 1407 /* LINUX_CDROMREADMODE1 */ 1408 1409 case LINUX_CDROMREADAUDIO: { 1410 struct l_cdrom_read_audio lra; 1411 struct ioc_read_audio bra; 1412 1413 error = copyin((void *)args->arg, &lra, sizeof(lra)); 1414 if (error) 1415 break; 1416 bra.address_format = lra.addr_format; 1417 linux_to_bsd_msf_lba(bra.address_format, &lra.addr, 1418 &bra.address); 1419 bra.nframes = lra.nframes; 1420 bra.buffer = lra.buf; 1421 error = fo_ioctl(fp, CDIOCREADAUDIO, (caddr_t)&bra, 1422 td->td_ucred, td); 1423 break; 1424 } 1425 1426 /* LINUX_CDROMEJECT_SW */ 1427 /* LINUX_CDROMMULTISESSION */ 1428 /* LINUX_CDROM_GET_UPC */ 1429 1430 case LINUX_CDROMRESET: 1431 args->cmd = CDIOCRESET; 1432 error = (ioctl(td, (struct ioctl_args *)args)); 1433 break; 1434 1435 /* LINUX_CDROMVOLREAD */ 1436 /* LINUX_CDROMREADRAW */ 1437 /* LINUX_CDROMREADCOOKED */ 1438 /* LINUX_CDROMSEEK */ 1439 /* LINUX_CDROMPLAYBLK */ 1440 /* LINUX_CDROMREADALL */ 1441 /* LINUX_CDROMCLOSETRAY */ 1442 /* LINUX_CDROMLOADFROMSLOT */ 1443 /* LINUX_CDROMGETSPINDOWN */ 1444 /* LINUX_CDROMSETSPINDOWN */ 1445 /* LINUX_CDROM_SET_OPTIONS */ 1446 /* LINUX_CDROM_CLEAR_OPTIONS */ 1447 /* LINUX_CDROM_SELECT_SPEED */ 1448 /* LINUX_CDROM_SELECT_DISC */ 1449 /* LINUX_CDROM_MEDIA_CHANGED */ 1450 /* LINUX_CDROM_DRIVE_STATUS */ 1451 /* LINUX_CDROM_DISC_STATUS */ 1452 /* LINUX_CDROM_CHANGER_NSLOTS */ 1453 /* LINUX_CDROM_LOCKDOOR */ 1454 /* LINUX_CDROM_DEBUG */ 1455 /* LINUX_CDROM_GET_CAPABILITY */ 1456 /* LINUX_CDROMAUDIOBUFSIZ */ 1457 1458 case LINUX_DVD_READ_STRUCT: { 1459 l_dvd_struct lds; 1460 struct dvd_struct bds; 1461 1462 error = copyin((void *)args->arg, &lds, sizeof(lds)); 1463 if (error) 1464 break; 1465 error = linux_to_bsd_dvd_struct(&lds, &bds); 1466 if (error) 1467 break; 1468 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)&bds, 1469 td->td_ucred, td); 1470 if (error) 1471 break; 1472 error = bsd_to_linux_dvd_struct(&bds, &lds); 1473 if (error) 1474 break; 1475 error = copyout(&lds, (void *)args->arg, sizeof(lds)); 1476 break; 1477 } 1478 1479 /* LINUX_DVD_WRITE_STRUCT */ 1480 1481 case LINUX_DVD_AUTH: { 1482 l_dvd_authinfo lda; 1483 struct dvd_authinfo bda; 1484 int bcode; 1485 1486 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1487 if (error) 1488 break; 1489 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1490 if (error) 1491 break; 1492 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1493 td); 1494 if (error) { 1495 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1496 lda.type = LINUX_DVD_AUTH_FAILURE; 1497 copyout(&lda, (void *)args->arg, sizeof(lda)); 1498 } 1499 break; 1500 } 1501 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1502 if (error) 1503 break; 1504 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1505 break; 1506 } 1507 1508 /* LINUX_CDROM_SEND_PACKET */ 1509 /* LINUX_CDROM_NEXT_WRITABLE */ 1510 /* LINUX_CDROM_LAST_WRITTEN */ 1511 1512 default: 1513 error = ENOIOCTL; 1514 break; 1515 } 1516 1517 fdrop(fp, td); 1518 return (error); 1519 } 1520 1521 static int 1522 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1523 { 1524 1525 return (ENOTTY); 1526 } 1527 1528 /* 1529 * Sound related ioctls 1530 */ 1531 1532 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1533 1534 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1535 1536 static int 1537 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1538 { 1539 1540 switch (args->cmd & 0xffff) { 1541 1542 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1543 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1544 return (ioctl(td, (struct ioctl_args *)args)); 1545 1546 case LINUX_SOUND_MIXER_WRITE_BASS: 1547 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1548 return (ioctl(td, (struct ioctl_args *)args)); 1549 1550 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1551 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1552 return (ioctl(td, (struct ioctl_args *)args)); 1553 1554 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1555 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1556 return (ioctl(td, (struct ioctl_args *)args)); 1557 1558 case LINUX_SOUND_MIXER_WRITE_PCM: 1559 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1560 return (ioctl(td, (struct ioctl_args *)args)); 1561 1562 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1563 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1564 return (ioctl(td, (struct ioctl_args *)args)); 1565 1566 case LINUX_SOUND_MIXER_WRITE_LINE: 1567 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1568 return (ioctl(td, (struct ioctl_args *)args)); 1569 1570 case LINUX_SOUND_MIXER_WRITE_MIC: 1571 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1572 return (ioctl(td, (struct ioctl_args *)args)); 1573 1574 case LINUX_SOUND_MIXER_WRITE_CD: 1575 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1576 return (ioctl(td, (struct ioctl_args *)args)); 1577 1578 case LINUX_SOUND_MIXER_WRITE_IMIX: 1579 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1580 return (ioctl(td, (struct ioctl_args *)args)); 1581 1582 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1583 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1584 return (ioctl(td, (struct ioctl_args *)args)); 1585 1586 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1587 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1588 return (ioctl(td, (struct ioctl_args *)args)); 1589 1590 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1591 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1592 return (ioctl(td, (struct ioctl_args *)args)); 1593 1594 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1595 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1596 return (ioctl(td, (struct ioctl_args *)args)); 1597 1598 case LINUX_SOUND_MIXER_WRITE_LINE1: 1599 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1600 return (ioctl(td, (struct ioctl_args *)args)); 1601 1602 case LINUX_SOUND_MIXER_WRITE_LINE2: 1603 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1604 return (ioctl(td, (struct ioctl_args *)args)); 1605 1606 case LINUX_SOUND_MIXER_WRITE_LINE3: 1607 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1608 return (ioctl(td, (struct ioctl_args *)args)); 1609 1610 case LINUX_OSS_GETVERSION: { 1611 int version = linux_get_oss_version(td); 1612 return (copyout(&version, (void *)args->arg, sizeof(int))); 1613 } 1614 1615 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1616 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1617 return (ioctl(td, (struct ioctl_args *)args)); 1618 1619 case LINUX_SOUND_MIXER_READ_DEVMASK: 1620 args->cmd = SOUND_MIXER_READ_DEVMASK; 1621 return (ioctl(td, (struct ioctl_args *)args)); 1622 1623 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1624 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1625 return (ioctl(td, (struct ioctl_args *)args)); 1626 1627 case LINUX_SNDCTL_DSP_RESET: 1628 args->cmd = SNDCTL_DSP_RESET; 1629 return (ioctl(td, (struct ioctl_args *)args)); 1630 1631 case LINUX_SNDCTL_DSP_SYNC: 1632 args->cmd = SNDCTL_DSP_SYNC; 1633 return (ioctl(td, (struct ioctl_args *)args)); 1634 1635 case LINUX_SNDCTL_DSP_SPEED: 1636 args->cmd = SNDCTL_DSP_SPEED; 1637 return (ioctl(td, (struct ioctl_args *)args)); 1638 1639 case LINUX_SNDCTL_DSP_STEREO: 1640 args->cmd = SNDCTL_DSP_STEREO; 1641 return (ioctl(td, (struct ioctl_args *)args)); 1642 1643 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1644 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1645 return (ioctl(td, (struct ioctl_args *)args)); 1646 1647 case LINUX_SNDCTL_DSP_SETFMT: 1648 args->cmd = SNDCTL_DSP_SETFMT; 1649 return (ioctl(td, (struct ioctl_args *)args)); 1650 1651 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1652 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1653 return (ioctl(td, (struct ioctl_args *)args)); 1654 1655 case LINUX_SOUND_PCM_WRITE_FILTER: 1656 args->cmd = SOUND_PCM_WRITE_FILTER; 1657 return (ioctl(td, (struct ioctl_args *)args)); 1658 1659 case LINUX_SNDCTL_DSP_POST: 1660 args->cmd = SNDCTL_DSP_POST; 1661 return (ioctl(td, (struct ioctl_args *)args)); 1662 1663 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1664 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1665 return (ioctl(td, (struct ioctl_args *)args)); 1666 1667 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1668 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1669 return (ioctl(td, (struct ioctl_args *)args)); 1670 1671 case LINUX_SNDCTL_DSP_GETFMTS: 1672 args->cmd = SNDCTL_DSP_GETFMTS; 1673 return (ioctl(td, (struct ioctl_args *)args)); 1674 1675 case LINUX_SNDCTL_DSP_GETOSPACE: 1676 args->cmd = SNDCTL_DSP_GETOSPACE; 1677 return (ioctl(td, (struct ioctl_args *)args)); 1678 1679 case LINUX_SNDCTL_DSP_GETISPACE: 1680 args->cmd = SNDCTL_DSP_GETISPACE; 1681 return (ioctl(td, (struct ioctl_args *)args)); 1682 1683 case LINUX_SNDCTL_DSP_NONBLOCK: 1684 args->cmd = SNDCTL_DSP_NONBLOCK; 1685 return (ioctl(td, (struct ioctl_args *)args)); 1686 1687 case LINUX_SNDCTL_DSP_GETCAPS: 1688 args->cmd = SNDCTL_DSP_GETCAPS; 1689 return (ioctl(td, (struct ioctl_args *)args)); 1690 1691 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1692 args->cmd = SNDCTL_DSP_SETTRIGGER; 1693 return (ioctl(td, (struct ioctl_args *)args)); 1694 1695 case LINUX_SNDCTL_DSP_GETIPTR: 1696 args->cmd = SNDCTL_DSP_GETIPTR; 1697 return (ioctl(td, (struct ioctl_args *)args)); 1698 1699 case LINUX_SNDCTL_DSP_GETOPTR: 1700 args->cmd = SNDCTL_DSP_GETOPTR; 1701 return (ioctl(td, (struct ioctl_args *)args)); 1702 1703 case LINUX_SNDCTL_DSP_GETODELAY: 1704 args->cmd = SNDCTL_DSP_GETODELAY; 1705 return (ioctl(td, (struct ioctl_args *)args)); 1706 1707 case LINUX_SNDCTL_SEQ_RESET: 1708 args->cmd = SNDCTL_SEQ_RESET; 1709 return (ioctl(td, (struct ioctl_args *)args)); 1710 1711 case LINUX_SNDCTL_SEQ_SYNC: 1712 args->cmd = SNDCTL_SEQ_SYNC; 1713 return (ioctl(td, (struct ioctl_args *)args)); 1714 1715 case LINUX_SNDCTL_SYNTH_INFO: 1716 args->cmd = SNDCTL_SYNTH_INFO; 1717 return (ioctl(td, (struct ioctl_args *)args)); 1718 1719 case LINUX_SNDCTL_SEQ_CTRLRATE: 1720 args->cmd = SNDCTL_SEQ_CTRLRATE; 1721 return (ioctl(td, (struct ioctl_args *)args)); 1722 1723 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1724 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1725 return (ioctl(td, (struct ioctl_args *)args)); 1726 1727 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1728 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1729 return (ioctl(td, (struct ioctl_args *)args)); 1730 1731 case LINUX_SNDCTL_SEQ_PERCMODE: 1732 args->cmd = SNDCTL_SEQ_PERCMODE; 1733 return (ioctl(td, (struct ioctl_args *)args)); 1734 1735 case LINUX_SNDCTL_FM_LOAD_INSTR: 1736 args->cmd = SNDCTL_FM_LOAD_INSTR; 1737 return (ioctl(td, (struct ioctl_args *)args)); 1738 1739 case LINUX_SNDCTL_SEQ_TESTMIDI: 1740 args->cmd = SNDCTL_SEQ_TESTMIDI; 1741 return (ioctl(td, (struct ioctl_args *)args)); 1742 1743 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1744 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1745 return (ioctl(td, (struct ioctl_args *)args)); 1746 1747 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1748 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1749 return (ioctl(td, (struct ioctl_args *)args)); 1750 1751 case LINUX_SNDCTL_SEQ_NRMIDIS: 1752 args->cmd = SNDCTL_SEQ_NRMIDIS; 1753 return (ioctl(td, (struct ioctl_args *)args)); 1754 1755 case LINUX_SNDCTL_MIDI_INFO: 1756 args->cmd = SNDCTL_MIDI_INFO; 1757 return (ioctl(td, (struct ioctl_args *)args)); 1758 1759 case LINUX_SNDCTL_SEQ_TRESHOLD: 1760 args->cmd = SNDCTL_SEQ_TRESHOLD; 1761 return (ioctl(td, (struct ioctl_args *)args)); 1762 1763 case LINUX_SNDCTL_SYNTH_MEMAVL: 1764 args->cmd = SNDCTL_SYNTH_MEMAVL; 1765 return (ioctl(td, (struct ioctl_args *)args)); 1766 1767 } 1768 1769 return (ENOIOCTL); 1770 } 1771 1772 /* 1773 * Console related ioctls 1774 */ 1775 1776 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1777 1778 static int 1779 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1780 { 1781 struct file *fp; 1782 int error; 1783 1784 if ((error = fget(td, args->fd, &fp)) != 0) 1785 return (error); 1786 switch (args->cmd & 0xffff) { 1787 1788 case LINUX_KIOCSOUND: 1789 args->cmd = KIOCSOUND; 1790 error = (ioctl(td, (struct ioctl_args *)args)); 1791 break; 1792 1793 case LINUX_KDMKTONE: 1794 args->cmd = KDMKTONE; 1795 error = (ioctl(td, (struct ioctl_args *)args)); 1796 break; 1797 1798 case LINUX_KDGETLED: 1799 args->cmd = KDGETLED; 1800 error = (ioctl(td, (struct ioctl_args *)args)); 1801 break; 1802 1803 case LINUX_KDSETLED: 1804 args->cmd = KDSETLED; 1805 error = (ioctl(td, (struct ioctl_args *)args)); 1806 break; 1807 1808 case LINUX_KDSETMODE: 1809 args->cmd = KDSETMODE; 1810 error = (ioctl(td, (struct ioctl_args *)args)); 1811 break; 1812 1813 case LINUX_KDGETMODE: 1814 args->cmd = KDGETMODE; 1815 error = (ioctl(td, (struct ioctl_args *)args)); 1816 break; 1817 1818 case LINUX_KDGKBMODE: 1819 args->cmd = KDGKBMODE; 1820 error = (ioctl(td, (struct ioctl_args *)args)); 1821 break; 1822 1823 case LINUX_KDSKBMODE: { 1824 int kbdmode; 1825 switch (args->arg) { 1826 case LINUX_KBD_RAW: 1827 kbdmode = K_RAW; 1828 break; 1829 case LINUX_KBD_XLATE: 1830 kbdmode = K_XLATE; 1831 break; 1832 case LINUX_KBD_MEDIUMRAW: 1833 kbdmode = K_RAW; 1834 break; 1835 default: 1836 fdrop(fp, td); 1837 return (EINVAL); 1838 } 1839 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 1840 td->td_ucred, td)); 1841 break; 1842 } 1843 1844 case LINUX_VT_OPENQRY: 1845 args->cmd = VT_OPENQRY; 1846 error = (ioctl(td, (struct ioctl_args *)args)); 1847 break; 1848 1849 case LINUX_VT_GETMODE: 1850 args->cmd = VT_GETMODE; 1851 error = (ioctl(td, (struct ioctl_args *)args)); 1852 break; 1853 1854 case LINUX_VT_SETMODE: { 1855 struct vt_mode *mode; 1856 args->cmd = VT_SETMODE; 1857 mode = (struct vt_mode *)args->arg; 1858 if (!ISSIGVALID(mode->frsig) && ISSIGVALID(mode->acqsig)) 1859 mode->frsig = mode->acqsig; 1860 error = (ioctl(td, (struct ioctl_args *)args)); 1861 break; 1862 } 1863 1864 case LINUX_VT_GETSTATE: 1865 args->cmd = VT_GETACTIVE; 1866 error = (ioctl(td, (struct ioctl_args *)args)); 1867 break; 1868 1869 case LINUX_VT_RELDISP: 1870 args->cmd = VT_RELDISP; 1871 error = (ioctl(td, (struct ioctl_args *)args)); 1872 break; 1873 1874 case LINUX_VT_ACTIVATE: 1875 args->cmd = VT_ACTIVATE; 1876 error = (ioctl(td, (struct ioctl_args *)args)); 1877 break; 1878 1879 case LINUX_VT_WAITACTIVE: 1880 args->cmd = VT_WAITACTIVE; 1881 error = (ioctl(td, (struct ioctl_args *)args)); 1882 break; 1883 1884 default: 1885 error = ENOIOCTL; 1886 break; 1887 } 1888 1889 fdrop(fp, td); 1890 return (error); 1891 } 1892 1893 /* 1894 * Criteria for interface name translation 1895 */ 1896 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1897 1898 /* 1899 * Interface function used by linprocfs (at the time of writing). It's not 1900 * used by the Linuxulator itself. 1901 */ 1902 int 1903 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1904 { 1905 struct ifnet *ifscan; 1906 int ethno; 1907 1908 /* Short-circuit non ethernet interfaces */ 1909 if (!IFP_IS_ETH(ifp)) 1910 return (snprintf(buffer, buflen, "%s%d", ifp->if_name, 1911 ifp->if_unit)); 1912 1913 /* Determine the (relative) unit number for ethernet interfaces */ 1914 ethno = 0; 1915 IFNET_RLOCK(); 1916 TAILQ_FOREACH(ifscan, &ifnet, if_link) { 1917 if (ifscan == ifp) { 1918 IFNET_RUNLOCK(); 1919 return (snprintf(buffer, buflen, "eth%d", ethno)); 1920 } 1921 if (IFP_IS_ETH(ifscan)) 1922 ethno++; 1923 } 1924 IFNET_RUNLOCK(); 1925 1926 return (0); 1927 } 1928 1929 /* 1930 * Translate a Linux interface name to a FreeBSD interface name, 1931 * and return the associated ifnet structure 1932 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 1933 * can point to the same buffer. 1934 */ 1935 1936 static struct ifnet * 1937 ifname_linux_to_bsd(const char *lxname, char *bsdname) 1938 { 1939 struct ifnet *ifp; 1940 int len, unit; 1941 char *ep; 1942 int is_eth, index; 1943 1944 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 1945 if (!isalpha(lxname[len])) 1946 break; 1947 if (len == 0 || len == LINUX_IFNAMSIZ) 1948 return (NULL); 1949 unit = (int)strtoul(lxname + len, &ep, 10); 1950 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 1951 return (NULL); 1952 index = 0; 1953 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 1954 IFNET_RLOCK(); 1955 TAILQ_FOREACH(ifp, &ifnet, if_link) { 1956 /* 1957 * Allow Linux programs to use FreeBSD names. Don't presume 1958 * we never have an interface named "eth", so don't make 1959 * the test optional based on is_eth. 1960 */ 1961 if (ifp->if_unit == unit && ifp->if_name[len] == '\0' && 1962 strncmp(ifp->if_name, lxname, len) == 0) 1963 break; 1964 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 1965 break; 1966 } 1967 IFNET_RUNLOCK(); 1968 if (ifp != NULL) 1969 snprintf(bsdname, IFNAMSIZ, "%s%d", ifp->if_name, ifp->if_unit); 1970 return (ifp); 1971 } 1972 1973 /* 1974 * Implement the SIOCGIFCONF ioctl 1975 */ 1976 1977 static int 1978 linux_ifconf(struct thread *td, struct ifconf *uifc) 1979 { 1980 struct ifconf ifc; 1981 struct l_ifreq ifr; 1982 struct ifnet *ifp; 1983 struct ifaddr *ifa; 1984 struct iovec iov; 1985 struct uio uio; 1986 int error, ethno; 1987 1988 error = copyin(uifc, &ifc, sizeof(ifc)); 1989 if (error != 0) 1990 return (error); 1991 1992 /* much easier to use uiomove than keep track ourselves */ 1993 iov.iov_base = ifc.ifc_buf; 1994 iov.iov_len = ifc.ifc_len; 1995 uio.uio_iov = &iov; 1996 uio.uio_iovcnt = 1; 1997 uio.uio_offset = 0; 1998 uio.uio_resid = ifc.ifc_len; 1999 uio.uio_segflg = UIO_USERSPACE; 2000 uio.uio_rw = UIO_READ; 2001 uio.uio_td = td; 2002 2003 /* Keep track of eth interfaces */ 2004 ethno = 0; 2005 2006 /* Return all AF_INET addresses of all interfaces */ 2007 IFNET_RLOCK(); /* could sleep XXX */ 2008 TAILQ_FOREACH(ifp, &ifnet, if_link) { 2009 if (uio.uio_resid <= 0) 2010 break; 2011 2012 bzero(&ifr, sizeof(ifr)); 2013 if (IFP_IS_ETH(ifp)) 2014 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2015 ethno++); 2016 else 2017 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "%s%d", 2018 ifp->if_name, ifp->if_unit); 2019 2020 /* Walk the address list */ 2021 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2022 struct sockaddr *sa = ifa->ifa_addr; 2023 2024 if (uio.uio_resid <= 0) 2025 break; 2026 2027 if (sa->sa_family == AF_INET) { 2028 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2029 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2030 sizeof(ifr.ifr_addr.sa_data)); 2031 2032 error = uiomove(&ifr, sizeof(ifr), &uio); 2033 if (error != 0) { 2034 IFNET_RUNLOCK(); 2035 return (error); 2036 } 2037 } 2038 } 2039 } 2040 IFNET_RUNLOCK(); 2041 2042 ifc.ifc_len -= uio.uio_resid; 2043 error = copyout(&ifc, uifc, sizeof(ifc)); 2044 2045 return (error); 2046 } 2047 2048 static int 2049 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2050 { 2051 l_short flags; 2052 2053 flags = ifp->if_flags & 0xffff; 2054 /* these flags have no Linux equivalent */ 2055 flags &= ~(IFF_SMART|IFF_OACTIVE|IFF_SIMPLEX| 2056 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2057 /* Linux' multicast flag is in a different bit */ 2058 if (flags & IFF_MULTICAST) { 2059 flags &= ~IFF_MULTICAST; 2060 flags |= 0x1000; 2061 } 2062 2063 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2064 } 2065 2066 #define ARPHRD_ETHER 1 2067 #define ARPHRD_LOOPBACK 772 2068 2069 static int 2070 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2071 { 2072 struct ifaddr *ifa; 2073 struct sockaddr_dl *sdl; 2074 struct l_sockaddr lsa; 2075 2076 if (ifp->if_type == IFT_LOOP) { 2077 bzero(&lsa, sizeof(lsa)); 2078 lsa.sa_family = ARPHRD_LOOPBACK; 2079 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2080 } 2081 2082 if (ifp->if_type != IFT_ETHER) 2083 return (ENOENT); 2084 2085 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2086 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2087 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2088 (sdl->sdl_type == IFT_ETHER)) { 2089 bzero(&lsa, sizeof(lsa)); 2090 lsa.sa_family = ARPHRD_ETHER; 2091 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2092 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2093 } 2094 } 2095 2096 return (ENOENT); 2097 } 2098 2099 /* 2100 * Socket related ioctls 2101 */ 2102 2103 static int 2104 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2105 { 2106 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2107 struct ifnet *ifp; 2108 struct file *fp; 2109 int error, type; 2110 2111 KASSERT(LINUX_IFNAMSIZ == IFNAMSIZ, 2112 ("%s(): LINUX_IFNAMSIZ != IFNAMSIZ", __func__)); 2113 2114 ifp = NULL; 2115 error = 0; 2116 2117 if ((error = fget(td, args->fd, &fp)) != 0) 2118 return (error); 2119 type = fp->f_type; 2120 fdrop(fp, td); 2121 if (type != DTYPE_SOCKET) { 2122 /* not a socket - probably a tap / vmnet device */ 2123 switch (args->cmd) { 2124 case LINUX_SIOCGIFADDR: 2125 case LINUX_SIOCSIFADDR: 2126 case LINUX_SIOCGIFFLAGS: 2127 return (linux_ioctl_special(td, args)); 2128 default: 2129 return (ENOIOCTL); 2130 } 2131 } 2132 2133 switch (args->cmd & 0xffff) { 2134 2135 case LINUX_FIOGETOWN: 2136 case LINUX_FIOSETOWN: 2137 case LINUX_SIOCADDMULTI: 2138 case LINUX_SIOCATMARK: 2139 case LINUX_SIOCDELMULTI: 2140 case LINUX_SIOCGIFCONF: 2141 case LINUX_SIOCGPGRP: 2142 case LINUX_SIOCSPGRP: 2143 /* these ioctls don't take an interface name */ 2144 #ifdef DEBUG 2145 printf("%s(): ioctl %d\n", __func__, 2146 args->cmd & 0xffff); 2147 #endif 2148 break; 2149 2150 case LINUX_SIOCGIFFLAGS: 2151 case LINUX_SIOCGIFADDR: 2152 case LINUX_SIOCSIFADDR: 2153 case LINUX_SIOCGIFDSTADDR: 2154 case LINUX_SIOCGIFBRDADDR: 2155 case LINUX_SIOCGIFNETMASK: 2156 case LINUX_SIOCSIFNETMASK: 2157 case LINUX_SIOCGIFMTU: 2158 case LINUX_SIOCSIFMTU: 2159 case LINUX_SIOCSIFNAME: 2160 case LINUX_SIOCGIFHWADDR: 2161 case LINUX_SIOCSIFHWADDR: 2162 case LINUX_SIOCDEVPRIVATE: 2163 case LINUX_SIOCDEVPRIVATE+1: 2164 /* copy in the interface name and translate it. */ 2165 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2166 if (error != 0) 2167 return (error); 2168 #ifdef DEBUG 2169 printf("%s(): ioctl %d on %.*s\n", __func__, 2170 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2171 #endif 2172 ifp = ifname_linux_to_bsd(lifname, ifname); 2173 if (ifp == NULL) 2174 return (EINVAL); 2175 /* 2176 * We need to copy it back out in case we pass the 2177 * request on to our native ioctl(), which will expect 2178 * the ifreq to be in user space and have the correct 2179 * interface name. 2180 */ 2181 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2182 if (error != 0) 2183 return (error); 2184 #ifdef DEBUG 2185 printf("%s(): %s translated to %s\n", __func__, 2186 lifname, ifname); 2187 #endif 2188 break; 2189 2190 default: 2191 return (ENOIOCTL); 2192 } 2193 2194 switch (args->cmd & 0xffff) { 2195 2196 case LINUX_FIOSETOWN: 2197 args->cmd = FIOSETOWN; 2198 error = ioctl(td, (struct ioctl_args *)args); 2199 break; 2200 2201 case LINUX_SIOCSPGRP: 2202 args->cmd = SIOCSPGRP; 2203 error = ioctl(td, (struct ioctl_args *)args); 2204 break; 2205 2206 case LINUX_FIOGETOWN: 2207 args->cmd = FIOGETOWN; 2208 error = ioctl(td, (struct ioctl_args *)args); 2209 break; 2210 2211 case LINUX_SIOCGPGRP: 2212 args->cmd = SIOCGPGRP; 2213 error = ioctl(td, (struct ioctl_args *)args); 2214 break; 2215 2216 case LINUX_SIOCATMARK: 2217 args->cmd = SIOCATMARK; 2218 error = ioctl(td, (struct ioctl_args *)args); 2219 break; 2220 2221 /* LINUX_SIOCGSTAMP */ 2222 2223 case LINUX_SIOCGIFCONF: 2224 error = linux_ifconf(td, (struct ifconf *)args->arg); 2225 break; 2226 2227 case LINUX_SIOCGIFFLAGS: 2228 args->cmd = SIOCGIFFLAGS; 2229 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2230 break; 2231 2232 case LINUX_SIOCGIFADDR: 2233 args->cmd = OSIOCGIFADDR; 2234 error = ioctl(td, (struct ioctl_args *)args); 2235 break; 2236 2237 case LINUX_SIOCSIFADDR: 2238 /* XXX probably doesn't work, included for completeness */ 2239 args->cmd = SIOCSIFADDR; 2240 error = ioctl(td, (struct ioctl_args *)args); 2241 break; 2242 2243 case LINUX_SIOCGIFDSTADDR: 2244 args->cmd = OSIOCGIFDSTADDR; 2245 error = ioctl(td, (struct ioctl_args *)args); 2246 break; 2247 2248 case LINUX_SIOCGIFBRDADDR: 2249 args->cmd = OSIOCGIFBRDADDR; 2250 error = ioctl(td, (struct ioctl_args *)args); 2251 break; 2252 2253 case LINUX_SIOCGIFNETMASK: 2254 args->cmd = OSIOCGIFNETMASK; 2255 error = ioctl(td, (struct ioctl_args *)args); 2256 break; 2257 2258 case LINUX_SIOCSIFNETMASK: 2259 error = ENOIOCTL; 2260 break; 2261 2262 case LINUX_SIOCGIFMTU: 2263 args->cmd = SIOCGIFMTU; 2264 error = ioctl(td, (struct ioctl_args *)args); 2265 break; 2266 2267 case LINUX_SIOCSIFMTU: 2268 args->cmd = SIOCSIFMTU; 2269 error = ioctl(td, (struct ioctl_args *)args); 2270 break; 2271 2272 case LINUX_SIOCSIFNAME: 2273 error = ENOIOCTL; 2274 break; 2275 2276 case LINUX_SIOCGIFHWADDR: 2277 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2278 break; 2279 2280 case LINUX_SIOCSIFHWADDR: 2281 error = ENOIOCTL; 2282 break; 2283 2284 case LINUX_SIOCADDMULTI: 2285 args->cmd = SIOCADDMULTI; 2286 error = ioctl(td, (struct ioctl_args *)args); 2287 break; 2288 2289 case LINUX_SIOCDELMULTI: 2290 args->cmd = SIOCDELMULTI; 2291 error = ioctl(td, (struct ioctl_args *)args); 2292 break; 2293 2294 /* 2295 * XXX This is slightly bogus, but these ioctls are currently 2296 * XXX only used by the aironet (if_an) network driver. 2297 */ 2298 case LINUX_SIOCDEVPRIVATE: 2299 args->cmd = SIOCGPRIVATE_0; 2300 error = ioctl(td, (struct ioctl_args *)args); 2301 break; 2302 2303 case LINUX_SIOCDEVPRIVATE+1: 2304 args->cmd = SIOCGPRIVATE_1; 2305 error = ioctl(td, (struct ioctl_args *)args); 2306 break; 2307 } 2308 2309 if (ifp != NULL) 2310 /* restore the original interface name */ 2311 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2312 2313 #ifdef DEBUG 2314 printf("%s(): returning %d\n", __func__, error); 2315 #endif 2316 return (error); 2317 } 2318 2319 /* 2320 * Device private ioctl handler 2321 */ 2322 static int 2323 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2324 { 2325 struct file *fp; 2326 int error, type; 2327 2328 if ((error = fget(td, args->fd, &fp)) != 0) 2329 return (error); 2330 type = fp->f_type; 2331 fdrop(fp, td); 2332 if (type == DTYPE_SOCKET) 2333 return (linux_ioctl_socket(td, args)); 2334 return (ENOIOCTL); 2335 } 2336 2337 /* 2338 * DRM ioctl handler (sys/dev/drm) 2339 */ 2340 static int 2341 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2342 { 2343 args->cmd = SETDIR(args->cmd); 2344 return ioctl(td, (struct ioctl_args *)args); 2345 } 2346 2347 /* 2348 * Special ioctl handler 2349 */ 2350 static int 2351 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2352 { 2353 int error; 2354 2355 switch (args->cmd) { 2356 case LINUX_SIOCGIFADDR: 2357 args->cmd = SIOCGIFADDR; 2358 error = ioctl(td, (struct ioctl_args *)args); 2359 break; 2360 case LINUX_SIOCSIFADDR: 2361 args->cmd = SIOCSIFADDR; 2362 error = ioctl(td, (struct ioctl_args *)args); 2363 break; 2364 case LINUX_SIOCGIFFLAGS: 2365 args->cmd = SIOCGIFFLAGS; 2366 error = ioctl(td, (struct ioctl_args *)args); 2367 break; 2368 default: 2369 error = ENOIOCTL; 2370 } 2371 2372 return (error); 2373 } 2374 2375 /* 2376 * main ioctl syscall function 2377 */ 2378 2379 int 2380 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 2381 { 2382 struct file *fp; 2383 struct handler_element *he; 2384 int error, cmd; 2385 2386 #ifdef DEBUG 2387 if (ldebug(ioctl)) 2388 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 2389 (unsigned long)args->cmd); 2390 #endif 2391 2392 if ((error = fget(td, args->fd, &fp)) != 0) 2393 return (error); 2394 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 2395 fdrop(fp, td); 2396 return (EBADF); 2397 } 2398 2399 /* Iterate over the ioctl handlers */ 2400 cmd = args->cmd & 0xffff; 2401 TAILQ_FOREACH(he, &handlers, list) { 2402 if (cmd >= he->low && cmd <= he->high) { 2403 error = (*he->func)(td, args); 2404 if (error != ENOIOCTL) { 2405 fdrop(fp, td); 2406 return (error); 2407 } 2408 } 2409 } 2410 fdrop(fp, td); 2411 2412 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 2413 args->fd, (int)(args->cmd & 0xffff), 2414 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 2415 2416 return (EINVAL); 2417 } 2418 2419 int 2420 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 2421 { 2422 struct handler_element *he, *cur; 2423 2424 if (h == NULL || h->func == NULL) 2425 return (EINVAL); 2426 2427 /* 2428 * Reuse the element if the handler is already on the list, otherwise 2429 * create a new element. 2430 */ 2431 TAILQ_FOREACH(he, &handlers, list) { 2432 if (he->func == h->func) 2433 break; 2434 } 2435 if (he == NULL) { 2436 MALLOC(he, struct handler_element *, sizeof(*he), 2437 M_LINUX, M_WAITOK); 2438 he->func = h->func; 2439 } else 2440 TAILQ_REMOVE(&handlers, he, list); 2441 2442 /* Initialize range information. */ 2443 he->low = h->low; 2444 he->high = h->high; 2445 he->span = h->high - h->low + 1; 2446 2447 /* Add the element to the list, sorted on span. */ 2448 TAILQ_FOREACH(cur, &handlers, list) { 2449 if (cur->span > he->span) { 2450 TAILQ_INSERT_BEFORE(cur, he, list); 2451 return (0); 2452 } 2453 } 2454 TAILQ_INSERT_TAIL(&handlers, he, list); 2455 2456 return (0); 2457 } 2458 2459 int 2460 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 2461 { 2462 struct handler_element *he; 2463 2464 if (h == NULL || h->func == NULL) 2465 return (EINVAL); 2466 2467 TAILQ_FOREACH(he, &handlers, list) { 2468 if (he->func == h->func) { 2469 TAILQ_REMOVE(&handlers, he, list); 2470 FREE(he, M_LINUX); 2471 return (0); 2472 } 2473 } 2474 2475 return (EINVAL); 2476 }
Cache object: b6799fde8c15593e2ae95eb5bcb311ff
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