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 29 #include "opt_compat.h" 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/sysproto.h> 37 #include <sys/cdio.h> 38 #include <sys/dvdio.h> 39 #include <sys/conf.h> 40 #include <sys/disk.h> 41 #include <sys/consio.h> 42 #include <sys/ctype.h> 43 #include <sys/fcntl.h> 44 #include <sys/file.h> 45 #include <sys/filedesc.h> 46 #include <sys/filio.h> 47 #include <sys/jail.h> 48 #include <sys/kbio.h> 49 #include <sys/kernel.h> 50 #include <sys/linker_set.h> 51 #include <sys/lock.h> 52 #include <sys/malloc.h> 53 #include <sys/proc.h> 54 #include <sys/sbuf.h> 55 #include <sys/socket.h> 56 #include <sys/sockio.h> 57 #include <sys/soundcard.h> 58 #include <sys/stdint.h> 59 #include <sys/sx.h> 60 #include <sys/sysctl.h> 61 #include <sys/tty.h> 62 #include <sys/uio.h> 63 #include <sys/types.h> 64 #include <sys/mman.h> 65 #include <sys/resourcevar.h> 66 67 #include <net/if.h> 68 #include <net/if_dl.h> 69 #include <net/if_types.h> 70 #include <net/vnet.h> 71 72 #ifdef COMPAT_LINUX32 73 #include <machine/../linux32/linux.h> 74 #include <machine/../linux32/linux32_proto.h> 75 #else 76 #include <machine/../linux/linux.h> 77 #include <machine/../linux/linux_proto.h> 78 #endif 79 80 #include <compat/linux/linux_ioctl.h> 81 #include <compat/linux/linux_mib.h> 82 #include <compat/linux/linux_socket.h> 83 #include <compat/linux/linux_util.h> 84 85 #include <compat/linux/linux_videodev.h> 86 #include <compat/linux/linux_videodev_compat.h> 87 88 #include <compat/linux/linux_videodev2.h> 89 #include <compat/linux/linux_videodev2_compat.h> 90 91 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 92 93 FEATURE(linuxulator_v4l, "V4L ioctl wrapper support in the linuxulator"); 94 FEATURE(linuxulator_v4l2, "V4L2 ioctl wrapper support in the linuxulator"); 95 96 static linux_ioctl_function_t linux_ioctl_cdrom; 97 static linux_ioctl_function_t linux_ioctl_vfat; 98 static linux_ioctl_function_t linux_ioctl_console; 99 static linux_ioctl_function_t linux_ioctl_hdio; 100 static linux_ioctl_function_t linux_ioctl_disk; 101 static linux_ioctl_function_t linux_ioctl_socket; 102 static linux_ioctl_function_t linux_ioctl_sound; 103 static linux_ioctl_function_t linux_ioctl_termio; 104 static linux_ioctl_function_t linux_ioctl_private; 105 static linux_ioctl_function_t linux_ioctl_drm; 106 static linux_ioctl_function_t linux_ioctl_sg; 107 static linux_ioctl_function_t linux_ioctl_v4l; 108 static linux_ioctl_function_t linux_ioctl_v4l2; 109 static linux_ioctl_function_t linux_ioctl_special; 110 111 static struct linux_ioctl_handler cdrom_handler = 112 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 113 static struct linux_ioctl_handler vfat_handler = 114 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 115 static struct linux_ioctl_handler console_handler = 116 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 117 static struct linux_ioctl_handler hdio_handler = 118 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 119 static struct linux_ioctl_handler disk_handler = 120 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 121 static struct linux_ioctl_handler socket_handler = 122 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 123 static struct linux_ioctl_handler sound_handler = 124 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 125 static struct linux_ioctl_handler termio_handler = 126 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 127 static struct linux_ioctl_handler private_handler = 128 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 129 static struct linux_ioctl_handler drm_handler = 130 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 131 static struct linux_ioctl_handler sg_handler = 132 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 133 static struct linux_ioctl_handler video_handler = 134 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 135 static struct linux_ioctl_handler video2_handler = 136 { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; 137 138 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 139 DATA_SET(linux_ioctl_handler_set, vfat_handler); 140 DATA_SET(linux_ioctl_handler_set, console_handler); 141 DATA_SET(linux_ioctl_handler_set, hdio_handler); 142 DATA_SET(linux_ioctl_handler_set, disk_handler); 143 DATA_SET(linux_ioctl_handler_set, socket_handler); 144 DATA_SET(linux_ioctl_handler_set, sound_handler); 145 DATA_SET(linux_ioctl_handler_set, termio_handler); 146 DATA_SET(linux_ioctl_handler_set, private_handler); 147 DATA_SET(linux_ioctl_handler_set, drm_handler); 148 DATA_SET(linux_ioctl_handler_set, sg_handler); 149 DATA_SET(linux_ioctl_handler_set, video_handler); 150 DATA_SET(linux_ioctl_handler_set, video2_handler); 151 152 struct handler_element 153 { 154 TAILQ_ENTRY(handler_element) list; 155 int (*func)(struct thread *, struct linux_ioctl_args *); 156 int low, high, span; 157 }; 158 159 static TAILQ_HEAD(, handler_element) handlers = 160 TAILQ_HEAD_INITIALIZER(handlers); 161 static struct sx linux_ioctl_sx; 162 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 163 164 /* 165 * hdio related ioctls for VMWare support 166 */ 167 168 struct linux_hd_geometry { 169 u_int8_t heads; 170 u_int8_t sectors; 171 u_int16_t cylinders; 172 u_int32_t start; 173 }; 174 175 struct linux_hd_big_geometry { 176 u_int8_t heads; 177 u_int8_t sectors; 178 u_int32_t cylinders; 179 u_int32_t start; 180 }; 181 182 static int 183 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 184 { 185 struct file *fp; 186 int error; 187 u_int sectorsize, fwcylinders, fwheads, fwsectors; 188 off_t mediasize, bytespercyl; 189 190 if ((error = fget(td, args->fd, &fp)) != 0) 191 return (error); 192 switch (args->cmd & 0xffff) { 193 case LINUX_HDIO_GET_GEO: 194 case LINUX_HDIO_GET_GEO_BIG: 195 error = fo_ioctl(fp, DIOCGMEDIASIZE, 196 (caddr_t)&mediasize, td->td_ucred, td); 197 if (!error) 198 error = fo_ioctl(fp, DIOCGSECTORSIZE, 199 (caddr_t)§orsize, td->td_ucred, td); 200 if (!error) 201 error = fo_ioctl(fp, DIOCGFWHEADS, 202 (caddr_t)&fwheads, td->td_ucred, td); 203 if (!error) 204 error = fo_ioctl(fp, DIOCGFWSECTORS, 205 (caddr_t)&fwsectors, td->td_ucred, td); 206 /* 207 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 208 * so pretend that GEOM always says 0. This is NOT VALID 209 * for slices or partitions, only the per-disk raw devices. 210 */ 211 212 fdrop(fp, td); 213 if (error) 214 return (error); 215 /* 216 * 1. Calculate the number of bytes in a cylinder, 217 * given the firmware's notion of heads and sectors 218 * per cylinder. 219 * 2. Calculate the number of cylinders, given the total 220 * size of the media. 221 * All internal calculations should have 64-bit precision. 222 */ 223 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 224 fwcylinders = mediasize / bytespercyl; 225 #if defined(DEBUG) 226 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 227 "bpc %jd", 228 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 229 (intmax_t)bytespercyl); 230 #endif 231 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 232 struct linux_hd_geometry hdg; 233 234 hdg.cylinders = fwcylinders; 235 hdg.heads = fwheads; 236 hdg.sectors = fwsectors; 237 hdg.start = 0; 238 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 239 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 240 struct linux_hd_big_geometry hdbg; 241 242 hdbg.cylinders = fwcylinders; 243 hdbg.heads = fwheads; 244 hdbg.sectors = fwsectors; 245 hdbg.start = 0; 246 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 247 } 248 return (error); 249 break; 250 default: 251 /* XXX */ 252 linux_msg(td, 253 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 254 args->fd, (int)(args->cmd & 0xffff), 255 (int)(args->cmd & 0xff00) >> 8, 256 (int)(args->cmd & 0xff)); 257 break; 258 } 259 fdrop(fp, td); 260 return (ENOIOCTL); 261 } 262 263 static int 264 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 265 { 266 struct file *fp; 267 int error; 268 u_int sectorsize; 269 off_t mediasize; 270 271 if ((error = fget(td, args->fd, &fp)) != 0) 272 return (error); 273 switch (args->cmd & 0xffff) { 274 case LINUX_BLKGETSIZE: 275 error = fo_ioctl(fp, DIOCGSECTORSIZE, 276 (caddr_t)§orsize, td->td_ucred, td); 277 if (!error) 278 error = fo_ioctl(fp, DIOCGMEDIASIZE, 279 (caddr_t)&mediasize, td->td_ucred, td); 280 fdrop(fp, td); 281 if (error) 282 return (error); 283 sectorsize = mediasize / sectorsize; 284 /* 285 * XXX: How do we know we return the right size of integer ? 286 */ 287 return (copyout(§orsize, (void *)args->arg, 288 sizeof(sectorsize))); 289 break; 290 } 291 fdrop(fp, td); 292 return (ENOIOCTL); 293 } 294 295 /* 296 * termio related ioctls 297 */ 298 299 struct linux_termio { 300 unsigned short c_iflag; 301 unsigned short c_oflag; 302 unsigned short c_cflag; 303 unsigned short c_lflag; 304 unsigned char c_line; 305 unsigned char c_cc[LINUX_NCC]; 306 }; 307 308 struct linux_termios { 309 unsigned int c_iflag; 310 unsigned int c_oflag; 311 unsigned int c_cflag; 312 unsigned int c_lflag; 313 unsigned char c_line; 314 unsigned char c_cc[LINUX_NCCS]; 315 }; 316 317 struct linux_winsize { 318 unsigned short ws_row, ws_col; 319 unsigned short ws_xpixel, ws_ypixel; 320 }; 321 322 struct speedtab { 323 int sp_speed; /* Speed. */ 324 int sp_code; /* Code. */ 325 }; 326 327 static struct speedtab sptab[] = { 328 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 329 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 330 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 331 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 332 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 333 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 334 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 335 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 336 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 337 {-1, -1 } 338 }; 339 340 struct linux_serial_struct { 341 int type; 342 int line; 343 int port; 344 int irq; 345 int flags; 346 int xmit_fifo_size; 347 int custom_divisor; 348 int baud_base; 349 unsigned short close_delay; 350 char reserved_char[2]; 351 int hub6; 352 unsigned short closing_wait; 353 unsigned short closing_wait2; 354 int reserved[4]; 355 }; 356 357 static int 358 linux_to_bsd_speed(int code, struct speedtab *table) 359 { 360 for ( ; table->sp_code != -1; table++) 361 if (table->sp_code == code) 362 return (table->sp_speed); 363 return -1; 364 } 365 366 static int 367 bsd_to_linux_speed(int speed, struct speedtab *table) 368 { 369 for ( ; table->sp_speed != -1; table++) 370 if (table->sp_speed == speed) 371 return (table->sp_code); 372 return -1; 373 } 374 375 static void 376 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 377 { 378 int i; 379 380 #ifdef DEBUG 381 if (ldebug(ioctl)) { 382 printf("LINUX: BSD termios structure (input):\n"); 383 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 384 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 385 bios->c_ispeed, bios->c_ospeed); 386 printf("c_cc "); 387 for (i=0; i<NCCS; i++) 388 printf("%02x ", bios->c_cc[i]); 389 printf("\n"); 390 } 391 #endif 392 393 lios->c_iflag = 0; 394 if (bios->c_iflag & IGNBRK) 395 lios->c_iflag |= LINUX_IGNBRK; 396 if (bios->c_iflag & BRKINT) 397 lios->c_iflag |= LINUX_BRKINT; 398 if (bios->c_iflag & IGNPAR) 399 lios->c_iflag |= LINUX_IGNPAR; 400 if (bios->c_iflag & PARMRK) 401 lios->c_iflag |= LINUX_PARMRK; 402 if (bios->c_iflag & INPCK) 403 lios->c_iflag |= LINUX_INPCK; 404 if (bios->c_iflag & ISTRIP) 405 lios->c_iflag |= LINUX_ISTRIP; 406 if (bios->c_iflag & INLCR) 407 lios->c_iflag |= LINUX_INLCR; 408 if (bios->c_iflag & IGNCR) 409 lios->c_iflag |= LINUX_IGNCR; 410 if (bios->c_iflag & ICRNL) 411 lios->c_iflag |= LINUX_ICRNL; 412 if (bios->c_iflag & IXON) 413 lios->c_iflag |= LINUX_IXON; 414 if (bios->c_iflag & IXANY) 415 lios->c_iflag |= LINUX_IXANY; 416 if (bios->c_iflag & IXOFF) 417 lios->c_iflag |= LINUX_IXOFF; 418 if (bios->c_iflag & IMAXBEL) 419 lios->c_iflag |= LINUX_IMAXBEL; 420 421 lios->c_oflag = 0; 422 if (bios->c_oflag & OPOST) 423 lios->c_oflag |= LINUX_OPOST; 424 if (bios->c_oflag & ONLCR) 425 lios->c_oflag |= LINUX_ONLCR; 426 if (bios->c_oflag & TAB3) 427 lios->c_oflag |= LINUX_XTABS; 428 429 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 430 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 431 if (bios->c_cflag & CSTOPB) 432 lios->c_cflag |= LINUX_CSTOPB; 433 if (bios->c_cflag & CREAD) 434 lios->c_cflag |= LINUX_CREAD; 435 if (bios->c_cflag & PARENB) 436 lios->c_cflag |= LINUX_PARENB; 437 if (bios->c_cflag & PARODD) 438 lios->c_cflag |= LINUX_PARODD; 439 if (bios->c_cflag & HUPCL) 440 lios->c_cflag |= LINUX_HUPCL; 441 if (bios->c_cflag & CLOCAL) 442 lios->c_cflag |= LINUX_CLOCAL; 443 if (bios->c_cflag & CRTSCTS) 444 lios->c_cflag |= LINUX_CRTSCTS; 445 446 lios->c_lflag = 0; 447 if (bios->c_lflag & ISIG) 448 lios->c_lflag |= LINUX_ISIG; 449 if (bios->c_lflag & ICANON) 450 lios->c_lflag |= LINUX_ICANON; 451 if (bios->c_lflag & ECHO) 452 lios->c_lflag |= LINUX_ECHO; 453 if (bios->c_lflag & ECHOE) 454 lios->c_lflag |= LINUX_ECHOE; 455 if (bios->c_lflag & ECHOK) 456 lios->c_lflag |= LINUX_ECHOK; 457 if (bios->c_lflag & ECHONL) 458 lios->c_lflag |= LINUX_ECHONL; 459 if (bios->c_lflag & NOFLSH) 460 lios->c_lflag |= LINUX_NOFLSH; 461 if (bios->c_lflag & TOSTOP) 462 lios->c_lflag |= LINUX_TOSTOP; 463 if (bios->c_lflag & ECHOCTL) 464 lios->c_lflag |= LINUX_ECHOCTL; 465 if (bios->c_lflag & ECHOPRT) 466 lios->c_lflag |= LINUX_ECHOPRT; 467 if (bios->c_lflag & ECHOKE) 468 lios->c_lflag |= LINUX_ECHOKE; 469 if (bios->c_lflag & FLUSHO) 470 lios->c_lflag |= LINUX_FLUSHO; 471 if (bios->c_lflag & PENDIN) 472 lios->c_lflag |= LINUX_PENDIN; 473 if (bios->c_lflag & IEXTEN) 474 lios->c_lflag |= LINUX_IEXTEN; 475 476 for (i=0; i<LINUX_NCCS; i++) 477 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 478 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 479 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 480 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 481 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 482 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 483 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 484 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 485 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 486 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 487 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 488 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 489 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 490 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 491 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 492 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 493 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 494 495 for (i=0; i<LINUX_NCCS; i++) { 496 if (i != LINUX_VMIN && i != LINUX_VTIME && 497 lios->c_cc[i] == _POSIX_VDISABLE) 498 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 499 } 500 lios->c_line = 0; 501 502 #ifdef DEBUG 503 if (ldebug(ioctl)) { 504 printf("LINUX: LINUX termios structure (output):\n"); 505 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 506 lios->c_iflag, lios->c_oflag, lios->c_cflag, 507 lios->c_lflag, (int)lios->c_line); 508 printf("c_cc "); 509 for (i=0; i<LINUX_NCCS; i++) 510 printf("%02x ", lios->c_cc[i]); 511 printf("\n"); 512 } 513 #endif 514 } 515 516 static void 517 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 518 { 519 int i; 520 521 #ifdef DEBUG 522 if (ldebug(ioctl)) { 523 printf("LINUX: LINUX termios structure (input):\n"); 524 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 525 lios->c_iflag, lios->c_oflag, lios->c_cflag, 526 lios->c_lflag, (int)lios->c_line); 527 printf("c_cc "); 528 for (i=0; i<LINUX_NCCS; i++) 529 printf("%02x ", lios->c_cc[i]); 530 printf("\n"); 531 } 532 #endif 533 534 bios->c_iflag = 0; 535 if (lios->c_iflag & LINUX_IGNBRK) 536 bios->c_iflag |= IGNBRK; 537 if (lios->c_iflag & LINUX_BRKINT) 538 bios->c_iflag |= BRKINT; 539 if (lios->c_iflag & LINUX_IGNPAR) 540 bios->c_iflag |= IGNPAR; 541 if (lios->c_iflag & LINUX_PARMRK) 542 bios->c_iflag |= PARMRK; 543 if (lios->c_iflag & LINUX_INPCK) 544 bios->c_iflag |= INPCK; 545 if (lios->c_iflag & LINUX_ISTRIP) 546 bios->c_iflag |= ISTRIP; 547 if (lios->c_iflag & LINUX_INLCR) 548 bios->c_iflag |= INLCR; 549 if (lios->c_iflag & LINUX_IGNCR) 550 bios->c_iflag |= IGNCR; 551 if (lios->c_iflag & LINUX_ICRNL) 552 bios->c_iflag |= ICRNL; 553 if (lios->c_iflag & LINUX_IXON) 554 bios->c_iflag |= IXON; 555 if (lios->c_iflag & LINUX_IXANY) 556 bios->c_iflag |= IXANY; 557 if (lios->c_iflag & LINUX_IXOFF) 558 bios->c_iflag |= IXOFF; 559 if (lios->c_iflag & LINUX_IMAXBEL) 560 bios->c_iflag |= IMAXBEL; 561 562 bios->c_oflag = 0; 563 if (lios->c_oflag & LINUX_OPOST) 564 bios->c_oflag |= OPOST; 565 if (lios->c_oflag & LINUX_ONLCR) 566 bios->c_oflag |= ONLCR; 567 if (lios->c_oflag & LINUX_XTABS) 568 bios->c_oflag |= TAB3; 569 570 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 571 if (lios->c_cflag & LINUX_CSTOPB) 572 bios->c_cflag |= CSTOPB; 573 if (lios->c_cflag & LINUX_CREAD) 574 bios->c_cflag |= CREAD; 575 if (lios->c_cflag & LINUX_PARENB) 576 bios->c_cflag |= PARENB; 577 if (lios->c_cflag & LINUX_PARODD) 578 bios->c_cflag |= PARODD; 579 if (lios->c_cflag & LINUX_HUPCL) 580 bios->c_cflag |= HUPCL; 581 if (lios->c_cflag & LINUX_CLOCAL) 582 bios->c_cflag |= CLOCAL; 583 if (lios->c_cflag & LINUX_CRTSCTS) 584 bios->c_cflag |= CRTSCTS; 585 586 bios->c_lflag = 0; 587 if (lios->c_lflag & LINUX_ISIG) 588 bios->c_lflag |= ISIG; 589 if (lios->c_lflag & LINUX_ICANON) 590 bios->c_lflag |= ICANON; 591 if (lios->c_lflag & LINUX_ECHO) 592 bios->c_lflag |= ECHO; 593 if (lios->c_lflag & LINUX_ECHOE) 594 bios->c_lflag |= ECHOE; 595 if (lios->c_lflag & LINUX_ECHOK) 596 bios->c_lflag |= ECHOK; 597 if (lios->c_lflag & LINUX_ECHONL) 598 bios->c_lflag |= ECHONL; 599 if (lios->c_lflag & LINUX_NOFLSH) 600 bios->c_lflag |= NOFLSH; 601 if (lios->c_lflag & LINUX_TOSTOP) 602 bios->c_lflag |= TOSTOP; 603 if (lios->c_lflag & LINUX_ECHOCTL) 604 bios->c_lflag |= ECHOCTL; 605 if (lios->c_lflag & LINUX_ECHOPRT) 606 bios->c_lflag |= ECHOPRT; 607 if (lios->c_lflag & LINUX_ECHOKE) 608 bios->c_lflag |= ECHOKE; 609 if (lios->c_lflag & LINUX_FLUSHO) 610 bios->c_lflag |= FLUSHO; 611 if (lios->c_lflag & LINUX_PENDIN) 612 bios->c_lflag |= PENDIN; 613 if (lios->c_lflag & LINUX_IEXTEN) 614 bios->c_lflag |= IEXTEN; 615 616 for (i=0; i<NCCS; i++) 617 bios->c_cc[i] = _POSIX_VDISABLE; 618 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 619 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 620 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 621 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 622 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 623 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 624 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 625 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 626 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 627 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 628 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 629 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 630 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 631 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 632 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 633 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 634 635 for (i=0; i<NCCS; i++) { 636 if (i != VMIN && i != VTIME && 637 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 638 bios->c_cc[i] = _POSIX_VDISABLE; 639 } 640 641 bios->c_ispeed = bios->c_ospeed = 642 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 643 644 #ifdef DEBUG 645 if (ldebug(ioctl)) { 646 printf("LINUX: BSD termios structure (output):\n"); 647 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 648 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 649 bios->c_ispeed, bios->c_ospeed); 650 printf("c_cc "); 651 for (i=0; i<NCCS; i++) 652 printf("%02x ", bios->c_cc[i]); 653 printf("\n"); 654 } 655 #endif 656 } 657 658 static void 659 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 660 { 661 struct linux_termios lios; 662 663 bsd_to_linux_termios(bios, &lios); 664 lio->c_iflag = lios.c_iflag; 665 lio->c_oflag = lios.c_oflag; 666 lio->c_cflag = lios.c_cflag; 667 lio->c_lflag = lios.c_lflag; 668 lio->c_line = lios.c_line; 669 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 670 } 671 672 static void 673 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 674 { 675 struct linux_termios lios; 676 int i; 677 678 lios.c_iflag = lio->c_iflag; 679 lios.c_oflag = lio->c_oflag; 680 lios.c_cflag = lio->c_cflag; 681 lios.c_lflag = lio->c_lflag; 682 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 683 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 684 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 685 linux_to_bsd_termios(&lios, bios); 686 } 687 688 static int 689 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 690 { 691 struct termios bios; 692 struct linux_termios lios; 693 struct linux_termio lio; 694 struct file *fp; 695 int error; 696 697 if ((error = fget(td, args->fd, &fp)) != 0) 698 return (error); 699 700 switch (args->cmd & 0xffff) { 701 702 case LINUX_TCGETS: 703 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 704 td); 705 if (error) 706 break; 707 bsd_to_linux_termios(&bios, &lios); 708 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 709 break; 710 711 case LINUX_TCSETS: 712 error = copyin((void *)args->arg, &lios, sizeof(lios)); 713 if (error) 714 break; 715 linux_to_bsd_termios(&lios, &bios); 716 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 717 td)); 718 break; 719 720 case LINUX_TCSETSW: 721 error = copyin((void *)args->arg, &lios, sizeof(lios)); 722 if (error) 723 break; 724 linux_to_bsd_termios(&lios, &bios); 725 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 726 td)); 727 break; 728 729 case LINUX_TCSETSF: 730 error = copyin((void *)args->arg, &lios, sizeof(lios)); 731 if (error) 732 break; 733 linux_to_bsd_termios(&lios, &bios); 734 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 735 td)); 736 break; 737 738 case LINUX_TCGETA: 739 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 740 td); 741 if (error) 742 break; 743 bsd_to_linux_termio(&bios, &lio); 744 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 745 break; 746 747 case LINUX_TCSETA: 748 error = copyin((void *)args->arg, &lio, sizeof(lio)); 749 if (error) 750 break; 751 linux_to_bsd_termio(&lio, &bios); 752 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 753 td)); 754 break; 755 756 case LINUX_TCSETAW: 757 error = copyin((void *)args->arg, &lio, sizeof(lio)); 758 if (error) 759 break; 760 linux_to_bsd_termio(&lio, &bios); 761 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 762 td)); 763 break; 764 765 case LINUX_TCSETAF: 766 error = copyin((void *)args->arg, &lio, sizeof(lio)); 767 if (error) 768 break; 769 linux_to_bsd_termio(&lio, &bios); 770 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 771 td)); 772 break; 773 774 /* LINUX_TCSBRK */ 775 776 case LINUX_TCXONC: { 777 switch (args->arg) { 778 case LINUX_TCOOFF: 779 args->cmd = TIOCSTOP; 780 break; 781 case LINUX_TCOON: 782 args->cmd = TIOCSTART; 783 break; 784 case LINUX_TCIOFF: 785 case LINUX_TCION: { 786 int c; 787 struct write_args wr; 788 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 789 td->td_ucred, td); 790 if (error) 791 break; 792 fdrop(fp, td); 793 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 794 c = bios.c_cc[c]; 795 if (c != _POSIX_VDISABLE) { 796 wr.fd = args->fd; 797 wr.buf = &c; 798 wr.nbyte = sizeof(c); 799 return (write(td, &wr)); 800 } else 801 return (0); 802 } 803 default: 804 fdrop(fp, td); 805 return (EINVAL); 806 } 807 args->arg = 0; 808 error = (ioctl(td, (struct ioctl_args *)args)); 809 break; 810 } 811 812 case LINUX_TCFLSH: { 813 int val; 814 switch (args->arg) { 815 case LINUX_TCIFLUSH: 816 val = FREAD; 817 break; 818 case LINUX_TCOFLUSH: 819 val = FWRITE; 820 break; 821 case LINUX_TCIOFLUSH: 822 val = FREAD | FWRITE; 823 break; 824 default: 825 fdrop(fp, td); 826 return (EINVAL); 827 } 828 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 829 break; 830 } 831 832 case LINUX_TIOCEXCL: 833 args->cmd = TIOCEXCL; 834 error = (ioctl(td, (struct ioctl_args *)args)); 835 break; 836 837 case LINUX_TIOCNXCL: 838 args->cmd = TIOCNXCL; 839 error = (ioctl(td, (struct ioctl_args *)args)); 840 break; 841 842 case LINUX_TIOCSCTTY: 843 args->cmd = TIOCSCTTY; 844 error = (ioctl(td, (struct ioctl_args *)args)); 845 break; 846 847 case LINUX_TIOCGPGRP: 848 args->cmd = TIOCGPGRP; 849 error = (ioctl(td, (struct ioctl_args *)args)); 850 break; 851 852 case LINUX_TIOCSPGRP: 853 args->cmd = TIOCSPGRP; 854 error = (ioctl(td, (struct ioctl_args *)args)); 855 break; 856 857 /* LINUX_TIOCOUTQ */ 858 /* LINUX_TIOCSTI */ 859 860 case LINUX_TIOCGWINSZ: 861 args->cmd = TIOCGWINSZ; 862 error = (ioctl(td, (struct ioctl_args *)args)); 863 break; 864 865 case LINUX_TIOCSWINSZ: 866 args->cmd = TIOCSWINSZ; 867 error = (ioctl(td, (struct ioctl_args *)args)); 868 break; 869 870 case LINUX_TIOCMGET: 871 args->cmd = TIOCMGET; 872 error = (ioctl(td, (struct ioctl_args *)args)); 873 break; 874 875 case LINUX_TIOCMBIS: 876 args->cmd = TIOCMBIS; 877 error = (ioctl(td, (struct ioctl_args *)args)); 878 break; 879 880 case LINUX_TIOCMBIC: 881 args->cmd = TIOCMBIC; 882 error = (ioctl(td, (struct ioctl_args *)args)); 883 break; 884 885 case LINUX_TIOCMSET: 886 args->cmd = TIOCMSET; 887 error = (ioctl(td, (struct ioctl_args *)args)); 888 break; 889 890 /* TIOCGSOFTCAR */ 891 /* TIOCSSOFTCAR */ 892 893 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 894 args->cmd = FIONREAD; 895 error = (ioctl(td, (struct ioctl_args *)args)); 896 break; 897 898 /* LINUX_TIOCLINUX */ 899 900 case LINUX_TIOCCONS: 901 args->cmd = TIOCCONS; 902 error = (ioctl(td, (struct ioctl_args *)args)); 903 break; 904 905 case LINUX_TIOCGSERIAL: { 906 struct linux_serial_struct lss; 907 lss.type = LINUX_PORT_16550A; 908 lss.flags = 0; 909 lss.close_delay = 0; 910 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 911 break; 912 } 913 914 case LINUX_TIOCSSERIAL: { 915 struct linux_serial_struct lss; 916 error = copyin((void *)args->arg, &lss, sizeof(lss)); 917 if (error) 918 break; 919 /* XXX - It really helps to have an implementation that 920 * does nothing. NOT! 921 */ 922 error = 0; 923 break; 924 } 925 926 case LINUX_TIOCPKT: 927 args->cmd = TIOCPKT; 928 error = (ioctl(td, (struct ioctl_args *)args)); 929 break; 930 931 case LINUX_FIONBIO: 932 args->cmd = FIONBIO; 933 error = (ioctl(td, (struct ioctl_args *)args)); 934 break; 935 936 case LINUX_TIOCNOTTY: 937 args->cmd = TIOCNOTTY; 938 error = (ioctl(td, (struct ioctl_args *)args)); 939 break; 940 941 case LINUX_TIOCSETD: { 942 int line; 943 switch (args->arg) { 944 case LINUX_N_TTY: 945 line = TTYDISC; 946 break; 947 case LINUX_N_SLIP: 948 line = SLIPDISC; 949 break; 950 case LINUX_N_PPP: 951 line = PPPDISC; 952 break; 953 default: 954 fdrop(fp, td); 955 return (EINVAL); 956 } 957 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 958 td)); 959 break; 960 } 961 962 case LINUX_TIOCGETD: { 963 int linux_line; 964 int bsd_line = TTYDISC; 965 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 966 td->td_ucred, td); 967 if (error) 968 return (error); 969 switch (bsd_line) { 970 case TTYDISC: 971 linux_line = LINUX_N_TTY; 972 break; 973 case SLIPDISC: 974 linux_line = LINUX_N_SLIP; 975 break; 976 case PPPDISC: 977 linux_line = LINUX_N_PPP; 978 break; 979 default: 980 fdrop(fp, td); 981 return (EINVAL); 982 } 983 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 984 break; 985 } 986 987 /* LINUX_TCSBRKP */ 988 /* LINUX_TIOCTTYGSTRUCT */ 989 990 case LINUX_FIONCLEX: 991 args->cmd = FIONCLEX; 992 error = (ioctl(td, (struct ioctl_args *)args)); 993 break; 994 995 case LINUX_FIOCLEX: 996 args->cmd = FIOCLEX; 997 error = (ioctl(td, (struct ioctl_args *)args)); 998 break; 999 1000 case LINUX_FIOASYNC: 1001 args->cmd = FIOASYNC; 1002 error = (ioctl(td, (struct ioctl_args *)args)); 1003 break; 1004 1005 /* LINUX_TIOCSERCONFIG */ 1006 /* LINUX_TIOCSERGWILD */ 1007 /* LINUX_TIOCSERSWILD */ 1008 /* LINUX_TIOCGLCKTRMIOS */ 1009 /* LINUX_TIOCSLCKTRMIOS */ 1010 1011 case LINUX_TIOCSBRK: 1012 args->cmd = TIOCSBRK; 1013 error = (ioctl(td, (struct ioctl_args *)args)); 1014 break; 1015 1016 case LINUX_TIOCCBRK: 1017 args->cmd = TIOCCBRK; 1018 error = (ioctl(td, (struct ioctl_args *)args)); 1019 break; 1020 case LINUX_TIOCGPTN: { 1021 int nb; 1022 1023 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1024 if (!error) 1025 error = copyout(&nb, (void *)args->arg, 1026 sizeof(int)); 1027 break; 1028 } 1029 case LINUX_TIOCSPTLCK: 1030 /* Our unlockpt() does nothing. */ 1031 error = 0; 1032 break; 1033 default: 1034 error = ENOIOCTL; 1035 break; 1036 } 1037 1038 fdrop(fp, td); 1039 return (error); 1040 } 1041 1042 /* 1043 * CDROM related ioctls 1044 */ 1045 1046 struct linux_cdrom_msf 1047 { 1048 u_char cdmsf_min0; 1049 u_char cdmsf_sec0; 1050 u_char cdmsf_frame0; 1051 u_char cdmsf_min1; 1052 u_char cdmsf_sec1; 1053 u_char cdmsf_frame1; 1054 }; 1055 1056 struct linux_cdrom_tochdr 1057 { 1058 u_char cdth_trk0; 1059 u_char cdth_trk1; 1060 }; 1061 1062 union linux_cdrom_addr 1063 { 1064 struct { 1065 u_char minute; 1066 u_char second; 1067 u_char frame; 1068 } msf; 1069 int lba; 1070 }; 1071 1072 struct linux_cdrom_tocentry 1073 { 1074 u_char cdte_track; 1075 u_char cdte_adr:4; 1076 u_char cdte_ctrl:4; 1077 u_char cdte_format; 1078 union linux_cdrom_addr cdte_addr; 1079 u_char cdte_datamode; 1080 }; 1081 1082 struct linux_cdrom_subchnl 1083 { 1084 u_char cdsc_format; 1085 u_char cdsc_audiostatus; 1086 u_char cdsc_adr:4; 1087 u_char cdsc_ctrl:4; 1088 u_char cdsc_trk; 1089 u_char cdsc_ind; 1090 union linux_cdrom_addr cdsc_absaddr; 1091 union linux_cdrom_addr cdsc_reladdr; 1092 }; 1093 1094 struct l_cdrom_read_audio { 1095 union linux_cdrom_addr addr; 1096 u_char addr_format; 1097 l_int nframes; 1098 u_char *buf; 1099 }; 1100 1101 struct l_dvd_layer { 1102 u_char book_version:4; 1103 u_char book_type:4; 1104 u_char min_rate:4; 1105 u_char disc_size:4; 1106 u_char layer_type:4; 1107 u_char track_path:1; 1108 u_char nlayers:2; 1109 u_char track_density:4; 1110 u_char linear_density:4; 1111 u_char bca:1; 1112 u_int32_t start_sector; 1113 u_int32_t end_sector; 1114 u_int32_t end_sector_l0; 1115 }; 1116 1117 struct l_dvd_physical { 1118 u_char type; 1119 u_char layer_num; 1120 struct l_dvd_layer layer[4]; 1121 }; 1122 1123 struct l_dvd_copyright { 1124 u_char type; 1125 u_char layer_num; 1126 u_char cpst; 1127 u_char rmi; 1128 }; 1129 1130 struct l_dvd_disckey { 1131 u_char type; 1132 l_uint agid:2; 1133 u_char value[2048]; 1134 }; 1135 1136 struct l_dvd_bca { 1137 u_char type; 1138 l_int len; 1139 u_char value[188]; 1140 }; 1141 1142 struct l_dvd_manufact { 1143 u_char type; 1144 u_char layer_num; 1145 l_int len; 1146 u_char value[2048]; 1147 }; 1148 1149 typedef union { 1150 u_char type; 1151 struct l_dvd_physical physical; 1152 struct l_dvd_copyright copyright; 1153 struct l_dvd_disckey disckey; 1154 struct l_dvd_bca bca; 1155 struct l_dvd_manufact manufact; 1156 } l_dvd_struct; 1157 1158 typedef u_char l_dvd_key[5]; 1159 typedef u_char l_dvd_challenge[10]; 1160 1161 struct l_dvd_lu_send_agid { 1162 u_char type; 1163 l_uint agid:2; 1164 }; 1165 1166 struct l_dvd_host_send_challenge { 1167 u_char type; 1168 l_uint agid:2; 1169 l_dvd_challenge chal; 1170 }; 1171 1172 struct l_dvd_send_key { 1173 u_char type; 1174 l_uint agid:2; 1175 l_dvd_key key; 1176 }; 1177 1178 struct l_dvd_lu_send_challenge { 1179 u_char type; 1180 l_uint agid:2; 1181 l_dvd_challenge chal; 1182 }; 1183 1184 struct l_dvd_lu_send_title_key { 1185 u_char type; 1186 l_uint agid:2; 1187 l_dvd_key title_key; 1188 l_int lba; 1189 l_uint cpm:1; 1190 l_uint cp_sec:1; 1191 l_uint cgms:2; 1192 }; 1193 1194 struct l_dvd_lu_send_asf { 1195 u_char type; 1196 l_uint agid:2; 1197 l_uint asf:1; 1198 }; 1199 1200 struct l_dvd_host_send_rpcstate { 1201 u_char type; 1202 u_char pdrc; 1203 }; 1204 1205 struct l_dvd_lu_send_rpcstate { 1206 u_char type:2; 1207 u_char vra:3; 1208 u_char ucca:3; 1209 u_char region_mask; 1210 u_char rpc_scheme; 1211 }; 1212 1213 typedef union { 1214 u_char type; 1215 struct l_dvd_lu_send_agid lsa; 1216 struct l_dvd_host_send_challenge hsc; 1217 struct l_dvd_send_key lsk; 1218 struct l_dvd_lu_send_challenge lsc; 1219 struct l_dvd_send_key hsk; 1220 struct l_dvd_lu_send_title_key lstk; 1221 struct l_dvd_lu_send_asf lsasf; 1222 struct l_dvd_host_send_rpcstate hrpcs; 1223 struct l_dvd_lu_send_rpcstate lrpcs; 1224 } l_dvd_authinfo; 1225 1226 static void 1227 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1228 { 1229 if (af == CD_LBA_FORMAT) 1230 lp->lba = bp->lba; 1231 else { 1232 lp->msf.minute = bp->msf.minute; 1233 lp->msf.second = bp->msf.second; 1234 lp->msf.frame = bp->msf.frame; 1235 } 1236 } 1237 1238 static void 1239 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1240 { 1241 if (format == LINUX_CDROM_MSF) { 1242 addr->msf.frame = lba % 75; 1243 lba /= 75; 1244 lba += 2; 1245 addr->msf.second = lba % 60; 1246 addr->msf.minute = lba / 60; 1247 } else 1248 addr->lba = lba; 1249 } 1250 1251 static int 1252 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1253 { 1254 bp->format = lp->type; 1255 switch (bp->format) { 1256 case DVD_STRUCT_PHYSICAL: 1257 if (bp->layer_num >= 4) 1258 return (EINVAL); 1259 bp->layer_num = lp->physical.layer_num; 1260 break; 1261 case DVD_STRUCT_COPYRIGHT: 1262 bp->layer_num = lp->copyright.layer_num; 1263 break; 1264 case DVD_STRUCT_DISCKEY: 1265 bp->agid = lp->disckey.agid; 1266 break; 1267 case DVD_STRUCT_BCA: 1268 case DVD_STRUCT_MANUFACT: 1269 break; 1270 default: 1271 return (EINVAL); 1272 } 1273 return (0); 1274 } 1275 1276 static int 1277 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1278 { 1279 switch (bp->format) { 1280 case DVD_STRUCT_PHYSICAL: { 1281 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1282 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1283 memset(llp, 0, sizeof(*llp)); 1284 llp->book_version = blp->book_version; 1285 llp->book_type = blp->book_type; 1286 llp->min_rate = blp->max_rate; 1287 llp->disc_size = blp->disc_size; 1288 llp->layer_type = blp->layer_type; 1289 llp->track_path = blp->track_path; 1290 llp->nlayers = blp->nlayers; 1291 llp->track_density = blp->track_density; 1292 llp->linear_density = blp->linear_density; 1293 llp->bca = blp->bca; 1294 llp->start_sector = blp->start_sector; 1295 llp->end_sector = blp->end_sector; 1296 llp->end_sector_l0 = blp->end_sector_l0; 1297 break; 1298 } 1299 case DVD_STRUCT_COPYRIGHT: 1300 lp->copyright.cpst = bp->cpst; 1301 lp->copyright.rmi = bp->rmi; 1302 break; 1303 case DVD_STRUCT_DISCKEY: 1304 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1305 break; 1306 case DVD_STRUCT_BCA: 1307 lp->bca.len = bp->length; 1308 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1309 break; 1310 case DVD_STRUCT_MANUFACT: 1311 lp->manufact.len = bp->length; 1312 memcpy(lp->manufact.value, bp->data, 1313 sizeof(lp->manufact.value)); 1314 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1315 break; 1316 default: 1317 return (EINVAL); 1318 } 1319 return (0); 1320 } 1321 1322 static int 1323 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1324 struct dvd_authinfo *bp) 1325 { 1326 switch (lp->type) { 1327 case LINUX_DVD_LU_SEND_AGID: 1328 *bcode = DVDIOCREPORTKEY; 1329 bp->format = DVD_REPORT_AGID; 1330 bp->agid = lp->lsa.agid; 1331 break; 1332 case LINUX_DVD_HOST_SEND_CHALLENGE: 1333 *bcode = DVDIOCSENDKEY; 1334 bp->format = DVD_SEND_CHALLENGE; 1335 bp->agid = lp->hsc.agid; 1336 memcpy(bp->keychal, lp->hsc.chal, 10); 1337 break; 1338 case LINUX_DVD_LU_SEND_KEY1: 1339 *bcode = DVDIOCREPORTKEY; 1340 bp->format = DVD_REPORT_KEY1; 1341 bp->agid = lp->lsk.agid; 1342 break; 1343 case LINUX_DVD_LU_SEND_CHALLENGE: 1344 *bcode = DVDIOCREPORTKEY; 1345 bp->format = DVD_REPORT_CHALLENGE; 1346 bp->agid = lp->lsc.agid; 1347 break; 1348 case LINUX_DVD_HOST_SEND_KEY2: 1349 *bcode = DVDIOCSENDKEY; 1350 bp->format = DVD_SEND_KEY2; 1351 bp->agid = lp->hsk.agid; 1352 memcpy(bp->keychal, lp->hsk.key, 5); 1353 break; 1354 case LINUX_DVD_LU_SEND_TITLE_KEY: 1355 *bcode = DVDIOCREPORTKEY; 1356 bp->format = DVD_REPORT_TITLE_KEY; 1357 bp->agid = lp->lstk.agid; 1358 bp->lba = lp->lstk.lba; 1359 break; 1360 case LINUX_DVD_LU_SEND_ASF: 1361 *bcode = DVDIOCREPORTKEY; 1362 bp->format = DVD_REPORT_ASF; 1363 bp->agid = lp->lsasf.agid; 1364 break; 1365 case LINUX_DVD_INVALIDATE_AGID: 1366 *bcode = DVDIOCREPORTKEY; 1367 bp->format = DVD_INVALIDATE_AGID; 1368 bp->agid = lp->lsa.agid; 1369 break; 1370 case LINUX_DVD_LU_SEND_RPC_STATE: 1371 *bcode = DVDIOCREPORTKEY; 1372 bp->format = DVD_REPORT_RPC; 1373 break; 1374 case LINUX_DVD_HOST_SEND_RPC_STATE: 1375 *bcode = DVDIOCSENDKEY; 1376 bp->format = DVD_SEND_RPC; 1377 bp->region = lp->hrpcs.pdrc; 1378 break; 1379 default: 1380 return (EINVAL); 1381 } 1382 return (0); 1383 } 1384 1385 static int 1386 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1387 { 1388 switch (lp->type) { 1389 case LINUX_DVD_LU_SEND_AGID: 1390 lp->lsa.agid = bp->agid; 1391 break; 1392 case LINUX_DVD_HOST_SEND_CHALLENGE: 1393 lp->type = LINUX_DVD_LU_SEND_KEY1; 1394 break; 1395 case LINUX_DVD_LU_SEND_KEY1: 1396 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1397 break; 1398 case LINUX_DVD_LU_SEND_CHALLENGE: 1399 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1400 break; 1401 case LINUX_DVD_HOST_SEND_KEY2: 1402 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1403 break; 1404 case LINUX_DVD_LU_SEND_TITLE_KEY: 1405 memcpy(lp->lstk.title_key, bp->keychal, 1406 sizeof(lp->lstk.title_key)); 1407 lp->lstk.cpm = bp->cpm; 1408 lp->lstk.cp_sec = bp->cp_sec; 1409 lp->lstk.cgms = bp->cgms; 1410 break; 1411 case LINUX_DVD_LU_SEND_ASF: 1412 lp->lsasf.asf = bp->asf; 1413 break; 1414 case LINUX_DVD_INVALIDATE_AGID: 1415 break; 1416 case LINUX_DVD_LU_SEND_RPC_STATE: 1417 lp->lrpcs.type = bp->reg_type; 1418 lp->lrpcs.vra = bp->vend_rsts; 1419 lp->lrpcs.ucca = bp->user_rsts; 1420 lp->lrpcs.region_mask = bp->region; 1421 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1422 break; 1423 case LINUX_DVD_HOST_SEND_RPC_STATE: 1424 break; 1425 default: 1426 return (EINVAL); 1427 } 1428 return (0); 1429 } 1430 1431 static int 1432 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1433 { 1434 struct file *fp; 1435 int error; 1436 1437 if ((error = fget(td, args->fd, &fp)) != 0) 1438 return (error); 1439 switch (args->cmd & 0xffff) { 1440 1441 case LINUX_CDROMPAUSE: 1442 args->cmd = CDIOCPAUSE; 1443 error = (ioctl(td, (struct ioctl_args *)args)); 1444 break; 1445 1446 case LINUX_CDROMRESUME: 1447 args->cmd = CDIOCRESUME; 1448 error = (ioctl(td, (struct ioctl_args *)args)); 1449 break; 1450 1451 case LINUX_CDROMPLAYMSF: 1452 args->cmd = CDIOCPLAYMSF; 1453 error = (ioctl(td, (struct ioctl_args *)args)); 1454 break; 1455 1456 case LINUX_CDROMPLAYTRKIND: 1457 args->cmd = CDIOCPLAYTRACKS; 1458 error = (ioctl(td, (struct ioctl_args *)args)); 1459 break; 1460 1461 case LINUX_CDROMREADTOCHDR: { 1462 struct ioc_toc_header th; 1463 struct linux_cdrom_tochdr lth; 1464 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1465 td->td_ucred, td); 1466 if (!error) { 1467 lth.cdth_trk0 = th.starting_track; 1468 lth.cdth_trk1 = th.ending_track; 1469 copyout(<h, (void *)args->arg, sizeof(lth)); 1470 } 1471 break; 1472 } 1473 1474 case LINUX_CDROMREADTOCENTRY: { 1475 struct linux_cdrom_tocentry lte; 1476 struct ioc_read_toc_single_entry irtse; 1477 1478 error = copyin((void *)args->arg, <e, sizeof(lte)); 1479 if (error) 1480 break; 1481 irtse.address_format = lte.cdte_format; 1482 irtse.track = lte.cdte_track; 1483 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1484 td->td_ucred, td); 1485 if (!error) { 1486 lte.cdte_ctrl = irtse.entry.control; 1487 lte.cdte_adr = irtse.entry.addr_type; 1488 bsd_to_linux_msf_lba(irtse.address_format, 1489 &irtse.entry.addr, <e.cdte_addr); 1490 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1491 } 1492 break; 1493 } 1494 1495 case LINUX_CDROMSTOP: 1496 args->cmd = CDIOCSTOP; 1497 error = (ioctl(td, (struct ioctl_args *)args)); 1498 break; 1499 1500 case LINUX_CDROMSTART: 1501 args->cmd = CDIOCSTART; 1502 error = (ioctl(td, (struct ioctl_args *)args)); 1503 break; 1504 1505 case LINUX_CDROMEJECT: 1506 args->cmd = CDIOCEJECT; 1507 error = (ioctl(td, (struct ioctl_args *)args)); 1508 break; 1509 1510 /* LINUX_CDROMVOLCTRL */ 1511 1512 case LINUX_CDROMSUBCHNL: { 1513 struct linux_cdrom_subchnl sc; 1514 struct ioc_read_subchannel bsdsc; 1515 struct cd_sub_channel_info bsdinfo; 1516 1517 bsdsc.address_format = CD_LBA_FORMAT; 1518 bsdsc.data_format = CD_CURRENT_POSITION; 1519 bsdsc.track = 0; 1520 bsdsc.data_len = sizeof(bsdinfo); 1521 bsdsc.data = &bsdinfo; 1522 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1523 (caddr_t)&bsdsc, td->td_ucred, td); 1524 if (error) 1525 break; 1526 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1527 if (error) 1528 break; 1529 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1530 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1531 sc.cdsc_ctrl = bsdinfo.what.position.control; 1532 sc.cdsc_trk = bsdinfo.what.position.track_number; 1533 sc.cdsc_ind = bsdinfo.what.position.index_number; 1534 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1535 bsdinfo.what.position.absaddr.lba); 1536 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1537 bsdinfo.what.position.reladdr.lba); 1538 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1539 break; 1540 } 1541 1542 /* LINUX_CDROMREADMODE2 */ 1543 /* LINUX_CDROMREADMODE1 */ 1544 /* LINUX_CDROMREADAUDIO */ 1545 /* LINUX_CDROMEJECT_SW */ 1546 /* LINUX_CDROMMULTISESSION */ 1547 /* LINUX_CDROM_GET_UPC */ 1548 1549 case LINUX_CDROMRESET: 1550 args->cmd = CDIOCRESET; 1551 error = (ioctl(td, (struct ioctl_args *)args)); 1552 break; 1553 1554 /* LINUX_CDROMVOLREAD */ 1555 /* LINUX_CDROMREADRAW */ 1556 /* LINUX_CDROMREADCOOKED */ 1557 /* LINUX_CDROMSEEK */ 1558 /* LINUX_CDROMPLAYBLK */ 1559 /* LINUX_CDROMREADALL */ 1560 /* LINUX_CDROMCLOSETRAY */ 1561 /* LINUX_CDROMLOADFROMSLOT */ 1562 /* LINUX_CDROMGETSPINDOWN */ 1563 /* LINUX_CDROMSETSPINDOWN */ 1564 /* LINUX_CDROM_SET_OPTIONS */ 1565 /* LINUX_CDROM_CLEAR_OPTIONS */ 1566 /* LINUX_CDROM_SELECT_SPEED */ 1567 /* LINUX_CDROM_SELECT_DISC */ 1568 /* LINUX_CDROM_MEDIA_CHANGED */ 1569 /* LINUX_CDROM_DRIVE_STATUS */ 1570 /* LINUX_CDROM_DISC_STATUS */ 1571 /* LINUX_CDROM_CHANGER_NSLOTS */ 1572 /* LINUX_CDROM_LOCKDOOR */ 1573 /* LINUX_CDROM_DEBUG */ 1574 /* LINUX_CDROM_GET_CAPABILITY */ 1575 /* LINUX_CDROMAUDIOBUFSIZ */ 1576 1577 case LINUX_DVD_READ_STRUCT: { 1578 l_dvd_struct *lds; 1579 struct dvd_struct *bds; 1580 1581 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1582 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1583 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1584 if (error) 1585 goto out; 1586 error = linux_to_bsd_dvd_struct(lds, bds); 1587 if (error) 1588 goto out; 1589 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1590 td->td_ucred, td); 1591 if (error) 1592 goto out; 1593 error = bsd_to_linux_dvd_struct(bds, lds); 1594 if (error) 1595 goto out; 1596 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1597 out: 1598 free(bds, M_LINUX); 1599 free(lds, M_LINUX); 1600 break; 1601 } 1602 1603 /* LINUX_DVD_WRITE_STRUCT */ 1604 1605 case LINUX_DVD_AUTH: { 1606 l_dvd_authinfo lda; 1607 struct dvd_authinfo bda; 1608 int bcode; 1609 1610 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1611 if (error) 1612 break; 1613 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1614 if (error) 1615 break; 1616 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1617 td); 1618 if (error) { 1619 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1620 lda.type = LINUX_DVD_AUTH_FAILURE; 1621 copyout(&lda, (void *)args->arg, sizeof(lda)); 1622 } 1623 break; 1624 } 1625 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1626 if (error) 1627 break; 1628 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1629 break; 1630 } 1631 1632 case LINUX_SCSI_GET_BUS_NUMBER: 1633 case LINUX_SCSI_GET_IDLUN: 1634 error = linux_ioctl_sg(td, args); 1635 break; 1636 1637 /* LINUX_CDROM_SEND_PACKET */ 1638 /* LINUX_CDROM_NEXT_WRITABLE */ 1639 /* LINUX_CDROM_LAST_WRITTEN */ 1640 1641 default: 1642 error = ENOIOCTL; 1643 break; 1644 } 1645 1646 fdrop(fp, td); 1647 return (error); 1648 } 1649 1650 static int 1651 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1652 { 1653 1654 return (ENOTTY); 1655 } 1656 1657 /* 1658 * Sound related ioctls 1659 */ 1660 1661 struct linux_old_mixer_info { 1662 char id[16]; 1663 char name[32]; 1664 }; 1665 1666 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1667 1668 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1669 1670 static int 1671 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1672 { 1673 1674 switch (args->cmd & 0xffff) { 1675 1676 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1677 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1678 return (ioctl(td, (struct ioctl_args *)args)); 1679 1680 case LINUX_SOUND_MIXER_WRITE_BASS: 1681 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1682 return (ioctl(td, (struct ioctl_args *)args)); 1683 1684 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1685 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1686 return (ioctl(td, (struct ioctl_args *)args)); 1687 1688 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1689 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1690 return (ioctl(td, (struct ioctl_args *)args)); 1691 1692 case LINUX_SOUND_MIXER_WRITE_PCM: 1693 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1694 return (ioctl(td, (struct ioctl_args *)args)); 1695 1696 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1697 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1698 return (ioctl(td, (struct ioctl_args *)args)); 1699 1700 case LINUX_SOUND_MIXER_WRITE_LINE: 1701 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1702 return (ioctl(td, (struct ioctl_args *)args)); 1703 1704 case LINUX_SOUND_MIXER_WRITE_MIC: 1705 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1706 return (ioctl(td, (struct ioctl_args *)args)); 1707 1708 case LINUX_SOUND_MIXER_WRITE_CD: 1709 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1710 return (ioctl(td, (struct ioctl_args *)args)); 1711 1712 case LINUX_SOUND_MIXER_WRITE_IMIX: 1713 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1714 return (ioctl(td, (struct ioctl_args *)args)); 1715 1716 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1717 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1718 return (ioctl(td, (struct ioctl_args *)args)); 1719 1720 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1721 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1722 return (ioctl(td, (struct ioctl_args *)args)); 1723 1724 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1725 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1726 return (ioctl(td, (struct ioctl_args *)args)); 1727 1728 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1729 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1730 return (ioctl(td, (struct ioctl_args *)args)); 1731 1732 case LINUX_SOUND_MIXER_WRITE_LINE1: 1733 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1734 return (ioctl(td, (struct ioctl_args *)args)); 1735 1736 case LINUX_SOUND_MIXER_WRITE_LINE2: 1737 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1738 return (ioctl(td, (struct ioctl_args *)args)); 1739 1740 case LINUX_SOUND_MIXER_WRITE_LINE3: 1741 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1742 return (ioctl(td, (struct ioctl_args *)args)); 1743 1744 case LINUX_SOUND_MIXER_INFO: { 1745 /* Key on encoded length */ 1746 switch ((args->cmd >> 16) & 0x1fff) { 1747 case 0x005c: { /* SOUND_MIXER_INFO */ 1748 args->cmd = SOUND_MIXER_INFO; 1749 return (ioctl(td, (struct ioctl_args *)args)); 1750 } 1751 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1752 struct linux_old_mixer_info info; 1753 bzero(&info, sizeof(info)); 1754 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1755 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1756 copyout(&info, (void *)args->arg, sizeof(info)); 1757 return (0); 1758 } 1759 default: 1760 return (ENOIOCTL); 1761 } 1762 break; 1763 } 1764 1765 case LINUX_OSS_GETVERSION: { 1766 int version = linux_get_oss_version(td); 1767 return (copyout(&version, (void *)args->arg, sizeof(int))); 1768 } 1769 1770 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1771 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1772 return (ioctl(td, (struct ioctl_args *)args)); 1773 1774 case LINUX_SOUND_MIXER_READ_CAPS: 1775 args->cmd = SOUND_MIXER_READ_CAPS; 1776 return (ioctl(td, (struct ioctl_args *)args)); 1777 1778 case LINUX_SOUND_MIXER_READ_RECMASK: 1779 args->cmd = SOUND_MIXER_READ_RECMASK; 1780 return (ioctl(td, (struct ioctl_args *)args)); 1781 1782 case LINUX_SOUND_MIXER_READ_DEVMASK: 1783 args->cmd = SOUND_MIXER_READ_DEVMASK; 1784 return (ioctl(td, (struct ioctl_args *)args)); 1785 1786 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1787 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1788 return (ioctl(td, (struct ioctl_args *)args)); 1789 1790 case LINUX_SNDCTL_DSP_RESET: 1791 args->cmd = SNDCTL_DSP_RESET; 1792 return (ioctl(td, (struct ioctl_args *)args)); 1793 1794 case LINUX_SNDCTL_DSP_SYNC: 1795 args->cmd = SNDCTL_DSP_SYNC; 1796 return (ioctl(td, (struct ioctl_args *)args)); 1797 1798 case LINUX_SNDCTL_DSP_SPEED: 1799 args->cmd = SNDCTL_DSP_SPEED; 1800 return (ioctl(td, (struct ioctl_args *)args)); 1801 1802 case LINUX_SNDCTL_DSP_STEREO: 1803 args->cmd = SNDCTL_DSP_STEREO; 1804 return (ioctl(td, (struct ioctl_args *)args)); 1805 1806 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1807 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1808 return (ioctl(td, (struct ioctl_args *)args)); 1809 1810 case LINUX_SNDCTL_DSP_SETFMT: 1811 args->cmd = SNDCTL_DSP_SETFMT; 1812 return (ioctl(td, (struct ioctl_args *)args)); 1813 1814 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1815 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1816 return (ioctl(td, (struct ioctl_args *)args)); 1817 1818 case LINUX_SOUND_PCM_WRITE_FILTER: 1819 args->cmd = SOUND_PCM_WRITE_FILTER; 1820 return (ioctl(td, (struct ioctl_args *)args)); 1821 1822 case LINUX_SNDCTL_DSP_POST: 1823 args->cmd = SNDCTL_DSP_POST; 1824 return (ioctl(td, (struct ioctl_args *)args)); 1825 1826 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1827 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1828 return (ioctl(td, (struct ioctl_args *)args)); 1829 1830 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1831 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1832 return (ioctl(td, (struct ioctl_args *)args)); 1833 1834 case LINUX_SNDCTL_DSP_GETFMTS: 1835 args->cmd = SNDCTL_DSP_GETFMTS; 1836 return (ioctl(td, (struct ioctl_args *)args)); 1837 1838 case LINUX_SNDCTL_DSP_GETOSPACE: 1839 args->cmd = SNDCTL_DSP_GETOSPACE; 1840 return (ioctl(td, (struct ioctl_args *)args)); 1841 1842 case LINUX_SNDCTL_DSP_GETISPACE: 1843 args->cmd = SNDCTL_DSP_GETISPACE; 1844 return (ioctl(td, (struct ioctl_args *)args)); 1845 1846 case LINUX_SNDCTL_DSP_NONBLOCK: 1847 args->cmd = SNDCTL_DSP_NONBLOCK; 1848 return (ioctl(td, (struct ioctl_args *)args)); 1849 1850 case LINUX_SNDCTL_DSP_GETCAPS: 1851 args->cmd = SNDCTL_DSP_GETCAPS; 1852 return (ioctl(td, (struct ioctl_args *)args)); 1853 1854 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1855 args->cmd = SNDCTL_DSP_SETTRIGGER; 1856 return (ioctl(td, (struct ioctl_args *)args)); 1857 1858 case LINUX_SNDCTL_DSP_GETIPTR: 1859 args->cmd = SNDCTL_DSP_GETIPTR; 1860 return (ioctl(td, (struct ioctl_args *)args)); 1861 1862 case LINUX_SNDCTL_DSP_GETOPTR: 1863 args->cmd = SNDCTL_DSP_GETOPTR; 1864 return (ioctl(td, (struct ioctl_args *)args)); 1865 1866 case LINUX_SNDCTL_DSP_SETDUPLEX: 1867 args->cmd = SNDCTL_DSP_SETDUPLEX; 1868 return (ioctl(td, (struct ioctl_args *)args)); 1869 1870 case LINUX_SNDCTL_DSP_GETODELAY: 1871 args->cmd = SNDCTL_DSP_GETODELAY; 1872 return (ioctl(td, (struct ioctl_args *)args)); 1873 1874 case LINUX_SNDCTL_SEQ_RESET: 1875 args->cmd = SNDCTL_SEQ_RESET; 1876 return (ioctl(td, (struct ioctl_args *)args)); 1877 1878 case LINUX_SNDCTL_SEQ_SYNC: 1879 args->cmd = SNDCTL_SEQ_SYNC; 1880 return (ioctl(td, (struct ioctl_args *)args)); 1881 1882 case LINUX_SNDCTL_SYNTH_INFO: 1883 args->cmd = SNDCTL_SYNTH_INFO; 1884 return (ioctl(td, (struct ioctl_args *)args)); 1885 1886 case LINUX_SNDCTL_SEQ_CTRLRATE: 1887 args->cmd = SNDCTL_SEQ_CTRLRATE; 1888 return (ioctl(td, (struct ioctl_args *)args)); 1889 1890 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1891 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1892 return (ioctl(td, (struct ioctl_args *)args)); 1893 1894 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1895 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1896 return (ioctl(td, (struct ioctl_args *)args)); 1897 1898 case LINUX_SNDCTL_SEQ_PERCMODE: 1899 args->cmd = SNDCTL_SEQ_PERCMODE; 1900 return (ioctl(td, (struct ioctl_args *)args)); 1901 1902 case LINUX_SNDCTL_FM_LOAD_INSTR: 1903 args->cmd = SNDCTL_FM_LOAD_INSTR; 1904 return (ioctl(td, (struct ioctl_args *)args)); 1905 1906 case LINUX_SNDCTL_SEQ_TESTMIDI: 1907 args->cmd = SNDCTL_SEQ_TESTMIDI; 1908 return (ioctl(td, (struct ioctl_args *)args)); 1909 1910 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1911 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1912 return (ioctl(td, (struct ioctl_args *)args)); 1913 1914 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1915 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1916 return (ioctl(td, (struct ioctl_args *)args)); 1917 1918 case LINUX_SNDCTL_SEQ_NRMIDIS: 1919 args->cmd = SNDCTL_SEQ_NRMIDIS; 1920 return (ioctl(td, (struct ioctl_args *)args)); 1921 1922 case LINUX_SNDCTL_MIDI_INFO: 1923 args->cmd = SNDCTL_MIDI_INFO; 1924 return (ioctl(td, (struct ioctl_args *)args)); 1925 1926 case LINUX_SNDCTL_SEQ_TRESHOLD: 1927 args->cmd = SNDCTL_SEQ_TRESHOLD; 1928 return (ioctl(td, (struct ioctl_args *)args)); 1929 1930 case LINUX_SNDCTL_SYNTH_MEMAVL: 1931 args->cmd = SNDCTL_SYNTH_MEMAVL; 1932 return (ioctl(td, (struct ioctl_args *)args)); 1933 1934 } 1935 1936 return (ENOIOCTL); 1937 } 1938 1939 /* 1940 * Console related ioctls 1941 */ 1942 1943 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1944 1945 static int 1946 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1947 { 1948 struct file *fp; 1949 int error; 1950 1951 if ((error = fget(td, args->fd, &fp)) != 0) 1952 return (error); 1953 switch (args->cmd & 0xffff) { 1954 1955 case LINUX_KIOCSOUND: 1956 args->cmd = KIOCSOUND; 1957 error = (ioctl(td, (struct ioctl_args *)args)); 1958 break; 1959 1960 case LINUX_KDMKTONE: 1961 args->cmd = KDMKTONE; 1962 error = (ioctl(td, (struct ioctl_args *)args)); 1963 break; 1964 1965 case LINUX_KDGETLED: 1966 args->cmd = KDGETLED; 1967 error = (ioctl(td, (struct ioctl_args *)args)); 1968 break; 1969 1970 case LINUX_KDSETLED: 1971 args->cmd = KDSETLED; 1972 error = (ioctl(td, (struct ioctl_args *)args)); 1973 break; 1974 1975 case LINUX_KDSETMODE: 1976 args->cmd = KDSETMODE; 1977 error = (ioctl(td, (struct ioctl_args *)args)); 1978 break; 1979 1980 case LINUX_KDGETMODE: 1981 args->cmd = KDGETMODE; 1982 error = (ioctl(td, (struct ioctl_args *)args)); 1983 break; 1984 1985 case LINUX_KDGKBMODE: 1986 args->cmd = KDGKBMODE; 1987 error = (ioctl(td, (struct ioctl_args *)args)); 1988 break; 1989 1990 case LINUX_KDSKBMODE: { 1991 int kbdmode; 1992 switch (args->arg) { 1993 case LINUX_KBD_RAW: 1994 kbdmode = K_RAW; 1995 break; 1996 case LINUX_KBD_XLATE: 1997 kbdmode = K_XLATE; 1998 break; 1999 case LINUX_KBD_MEDIUMRAW: 2000 kbdmode = K_RAW; 2001 break; 2002 default: 2003 fdrop(fp, td); 2004 return (EINVAL); 2005 } 2006 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2007 td->td_ucred, td)); 2008 break; 2009 } 2010 2011 case LINUX_VT_OPENQRY: 2012 args->cmd = VT_OPENQRY; 2013 error = (ioctl(td, (struct ioctl_args *)args)); 2014 break; 2015 2016 case LINUX_VT_GETMODE: 2017 args->cmd = VT_GETMODE; 2018 error = (ioctl(td, (struct ioctl_args *)args)); 2019 break; 2020 2021 case LINUX_VT_SETMODE: { 2022 struct vt_mode mode; 2023 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2024 break; 2025 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig)) 2026 mode.frsig = mode.acqsig; 2027 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2028 break; 2029 args->cmd = VT_SETMODE; 2030 error = (ioctl(td, (struct ioctl_args *)args)); 2031 break; 2032 } 2033 2034 case LINUX_VT_GETSTATE: 2035 args->cmd = VT_GETACTIVE; 2036 error = (ioctl(td, (struct ioctl_args *)args)); 2037 break; 2038 2039 case LINUX_VT_RELDISP: 2040 args->cmd = VT_RELDISP; 2041 error = (ioctl(td, (struct ioctl_args *)args)); 2042 break; 2043 2044 case LINUX_VT_ACTIVATE: 2045 args->cmd = VT_ACTIVATE; 2046 error = (ioctl(td, (struct ioctl_args *)args)); 2047 break; 2048 2049 case LINUX_VT_WAITACTIVE: 2050 args->cmd = VT_WAITACTIVE; 2051 error = (ioctl(td, (struct ioctl_args *)args)); 2052 break; 2053 2054 default: 2055 error = ENOIOCTL; 2056 break; 2057 } 2058 2059 fdrop(fp, td); 2060 return (error); 2061 } 2062 2063 /* 2064 * Criteria for interface name translation 2065 */ 2066 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2067 2068 /* 2069 * Interface function used by linprocfs (at the time of writing). It's not 2070 * used by the Linuxulator itself. 2071 */ 2072 int 2073 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 2074 { 2075 struct ifnet *ifscan; 2076 int ethno; 2077 2078 IFNET_RLOCK_ASSERT(); 2079 2080 /* Short-circuit non ethernet interfaces */ 2081 if (!IFP_IS_ETH(ifp)) 2082 return (strlcpy(buffer, ifp->if_xname, buflen)); 2083 2084 /* Determine the (relative) unit number for ethernet interfaces */ 2085 ethno = 0; 2086 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 2087 if (ifscan == ifp) 2088 return (snprintf(buffer, buflen, "eth%d", ethno)); 2089 if (IFP_IS_ETH(ifscan)) 2090 ethno++; 2091 } 2092 2093 return (0); 2094 } 2095 2096 /* 2097 * Translate a Linux interface name to a FreeBSD interface name, 2098 * and return the associated ifnet structure 2099 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2100 * can point to the same buffer. 2101 */ 2102 2103 static struct ifnet * 2104 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2105 { 2106 struct ifnet *ifp; 2107 int len, unit; 2108 char *ep; 2109 int is_eth, index; 2110 2111 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2112 if (!isalpha(lxname[len])) 2113 break; 2114 if (len == 0 || len == LINUX_IFNAMSIZ) 2115 return (NULL); 2116 unit = (int)strtoul(lxname + len, &ep, 10); 2117 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2118 return (NULL); 2119 index = 0; 2120 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2121 CURVNET_SET(TD_TO_VNET(td)); 2122 IFNET_RLOCK(); 2123 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2124 /* 2125 * Allow Linux programs to use FreeBSD names. Don't presume 2126 * we never have an interface named "eth", so don't make 2127 * the test optional based on is_eth. 2128 */ 2129 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2130 break; 2131 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2132 break; 2133 } 2134 IFNET_RUNLOCK(); 2135 CURVNET_RESTORE(); 2136 if (ifp != NULL) 2137 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2138 return (ifp); 2139 } 2140 2141 /* 2142 * Implement the SIOCGIFCONF ioctl 2143 */ 2144 2145 static int 2146 linux_ifconf(struct thread *td, struct ifconf *uifc) 2147 { 2148 #ifdef COMPAT_LINUX32 2149 struct l_ifconf ifc; 2150 #else 2151 struct ifconf ifc; 2152 #endif 2153 struct l_ifreq ifr; 2154 struct ifnet *ifp; 2155 struct ifaddr *ifa; 2156 struct sbuf *sb; 2157 int error, ethno, full = 0, valid_len, max_len; 2158 2159 error = copyin(uifc, &ifc, sizeof(ifc)); 2160 if (error != 0) 2161 return (error); 2162 2163 max_len = MAXPHYS - 1; 2164 2165 CURVNET_SET(TD_TO_VNET(td)); 2166 /* handle the 'request buffer size' case */ 2167 if (ifc.ifc_buf == PTROUT(NULL)) { 2168 ifc.ifc_len = 0; 2169 IFNET_RLOCK(); 2170 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2171 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2172 struct sockaddr *sa = ifa->ifa_addr; 2173 if (sa->sa_family == AF_INET) 2174 ifc.ifc_len += sizeof(ifr); 2175 } 2176 } 2177 IFNET_RUNLOCK(); 2178 error = copyout(&ifc, uifc, sizeof(ifc)); 2179 CURVNET_RESTORE(); 2180 return (error); 2181 } 2182 2183 if (ifc.ifc_len <= 0) { 2184 CURVNET_RESTORE(); 2185 return (EINVAL); 2186 } 2187 2188 again: 2189 /* Keep track of eth interfaces */ 2190 ethno = 0; 2191 if (ifc.ifc_len <= max_len) { 2192 max_len = ifc.ifc_len; 2193 full = 1; 2194 } 2195 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2196 max_len = 0; 2197 valid_len = 0; 2198 2199 /* Return all AF_INET addresses of all interfaces */ 2200 IFNET_RLOCK(); 2201 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2202 int addrs = 0; 2203 2204 bzero(&ifr, sizeof(ifr)); 2205 if (IFP_IS_ETH(ifp)) 2206 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2207 ethno++); 2208 else 2209 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2210 2211 /* Walk the address list */ 2212 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2213 struct sockaddr *sa = ifa->ifa_addr; 2214 2215 if (sa->sa_family == AF_INET) { 2216 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2217 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2218 sizeof(ifr.ifr_addr.sa_data)); 2219 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2220 max_len += sizeof(ifr); 2221 addrs++; 2222 } 2223 2224 if (!sbuf_overflowed(sb)) 2225 valid_len = sbuf_len(sb); 2226 } 2227 if (addrs == 0) { 2228 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2229 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2230 max_len += sizeof(ifr); 2231 2232 if (!sbuf_overflowed(sb)) 2233 valid_len = sbuf_len(sb); 2234 } 2235 } 2236 IFNET_RUNLOCK(); 2237 2238 if (valid_len != max_len && !full) { 2239 sbuf_delete(sb); 2240 goto again; 2241 } 2242 2243 ifc.ifc_len = valid_len; 2244 sbuf_finish(sb); 2245 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2246 if (error == 0) 2247 error = copyout(&ifc, uifc, sizeof(ifc)); 2248 sbuf_delete(sb); 2249 CURVNET_RESTORE(); 2250 2251 return (error); 2252 } 2253 2254 static int 2255 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2256 { 2257 l_short flags; 2258 2259 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2260 /* these flags have no Linux equivalent */ 2261 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2262 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2263 /* Linux' multicast flag is in a different bit */ 2264 if (flags & IFF_MULTICAST) { 2265 flags &= ~IFF_MULTICAST; 2266 flags |= 0x1000; 2267 } 2268 2269 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2270 } 2271 2272 #define ARPHRD_ETHER 1 2273 #define ARPHRD_LOOPBACK 772 2274 2275 static int 2276 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2277 { 2278 struct ifaddr *ifa; 2279 struct sockaddr_dl *sdl; 2280 struct l_sockaddr lsa; 2281 2282 if (ifp->if_type == IFT_LOOP) { 2283 bzero(&lsa, sizeof(lsa)); 2284 lsa.sa_family = ARPHRD_LOOPBACK; 2285 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2286 } 2287 2288 if (ifp->if_type != IFT_ETHER) 2289 return (ENOENT); 2290 2291 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2292 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2293 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2294 (sdl->sdl_type == IFT_ETHER)) { 2295 bzero(&lsa, sizeof(lsa)); 2296 lsa.sa_family = ARPHRD_ETHER; 2297 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2298 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2299 } 2300 } 2301 2302 return (ENOENT); 2303 } 2304 2305 2306 /* 2307 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2308 * the native ioctl(). Thus, we don't really need to check the return 2309 * value of this function. 2310 */ 2311 static int 2312 bsd_to_linux_ifreq(struct ifreq *arg) 2313 { 2314 struct ifreq ifr; 2315 size_t ifr_len = sizeof(struct ifreq); 2316 int error; 2317 2318 if ((error = copyin(arg, &ifr, ifr_len))) 2319 return (error); 2320 2321 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2322 2323 error = copyout(&ifr, arg, ifr_len); 2324 2325 return (error); 2326 } 2327 2328 /* 2329 * Socket related ioctls 2330 */ 2331 2332 static int 2333 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2334 { 2335 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2336 struct ifnet *ifp; 2337 struct file *fp; 2338 int error, type; 2339 2340 ifp = NULL; 2341 error = 0; 2342 2343 if ((error = fget(td, args->fd, &fp)) != 0) 2344 return (error); 2345 type = fp->f_type; 2346 fdrop(fp, td); 2347 if (type != DTYPE_SOCKET) { 2348 /* not a socket - probably a tap / vmnet device */ 2349 switch (args->cmd) { 2350 case LINUX_SIOCGIFADDR: 2351 case LINUX_SIOCSIFADDR: 2352 case LINUX_SIOCGIFFLAGS: 2353 return (linux_ioctl_special(td, args)); 2354 default: 2355 return (ENOIOCTL); 2356 } 2357 } 2358 2359 switch (args->cmd & 0xffff) { 2360 2361 case LINUX_FIOGETOWN: 2362 case LINUX_FIOSETOWN: 2363 case LINUX_SIOCADDMULTI: 2364 case LINUX_SIOCATMARK: 2365 case LINUX_SIOCDELMULTI: 2366 case LINUX_SIOCGIFCONF: 2367 case LINUX_SIOCGPGRP: 2368 case LINUX_SIOCSPGRP: 2369 case LINUX_SIOCGIFCOUNT: 2370 /* these ioctls don't take an interface name */ 2371 #ifdef DEBUG 2372 printf("%s(): ioctl %d\n", __func__, 2373 args->cmd & 0xffff); 2374 #endif 2375 break; 2376 2377 case LINUX_SIOCGIFFLAGS: 2378 case LINUX_SIOCGIFADDR: 2379 case LINUX_SIOCSIFADDR: 2380 case LINUX_SIOCGIFDSTADDR: 2381 case LINUX_SIOCGIFBRDADDR: 2382 case LINUX_SIOCGIFNETMASK: 2383 case LINUX_SIOCSIFNETMASK: 2384 case LINUX_SIOCGIFMTU: 2385 case LINUX_SIOCSIFMTU: 2386 case LINUX_SIOCSIFNAME: 2387 case LINUX_SIOCGIFHWADDR: 2388 case LINUX_SIOCSIFHWADDR: 2389 case LINUX_SIOCDEVPRIVATE: 2390 case LINUX_SIOCDEVPRIVATE+1: 2391 case LINUX_SIOCGIFINDEX: 2392 /* copy in the interface name and translate it. */ 2393 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2394 if (error != 0) 2395 return (error); 2396 #ifdef DEBUG 2397 printf("%s(): ioctl %d on %.*s\n", __func__, 2398 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2399 #endif 2400 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2401 if (ifp == NULL) 2402 return (EINVAL); 2403 /* 2404 * We need to copy it back out in case we pass the 2405 * request on to our native ioctl(), which will expect 2406 * the ifreq to be in user space and have the correct 2407 * interface name. 2408 */ 2409 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2410 if (error != 0) 2411 return (error); 2412 #ifdef DEBUG 2413 printf("%s(): %s translated to %s\n", __func__, 2414 lifname, ifname); 2415 #endif 2416 break; 2417 2418 default: 2419 return (ENOIOCTL); 2420 } 2421 2422 switch (args->cmd & 0xffff) { 2423 2424 case LINUX_FIOSETOWN: 2425 args->cmd = FIOSETOWN; 2426 error = ioctl(td, (struct ioctl_args *)args); 2427 break; 2428 2429 case LINUX_SIOCSPGRP: 2430 args->cmd = SIOCSPGRP; 2431 error = ioctl(td, (struct ioctl_args *)args); 2432 break; 2433 2434 case LINUX_FIOGETOWN: 2435 args->cmd = FIOGETOWN; 2436 error = ioctl(td, (struct ioctl_args *)args); 2437 break; 2438 2439 case LINUX_SIOCGPGRP: 2440 args->cmd = SIOCGPGRP; 2441 error = ioctl(td, (struct ioctl_args *)args); 2442 break; 2443 2444 case LINUX_SIOCATMARK: 2445 args->cmd = SIOCATMARK; 2446 error = ioctl(td, (struct ioctl_args *)args); 2447 break; 2448 2449 /* LINUX_SIOCGSTAMP */ 2450 2451 case LINUX_SIOCGIFCONF: 2452 error = linux_ifconf(td, (struct ifconf *)args->arg); 2453 break; 2454 2455 case LINUX_SIOCGIFFLAGS: 2456 args->cmd = SIOCGIFFLAGS; 2457 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2458 break; 2459 2460 case LINUX_SIOCGIFADDR: 2461 args->cmd = SIOCGIFADDR; 2462 error = ioctl(td, (struct ioctl_args *)args); 2463 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2464 break; 2465 2466 case LINUX_SIOCSIFADDR: 2467 /* XXX probably doesn't work, included for completeness */ 2468 args->cmd = SIOCSIFADDR; 2469 error = ioctl(td, (struct ioctl_args *)args); 2470 break; 2471 2472 case LINUX_SIOCGIFDSTADDR: 2473 args->cmd = SIOCGIFDSTADDR; 2474 error = ioctl(td, (struct ioctl_args *)args); 2475 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2476 break; 2477 2478 case LINUX_SIOCGIFBRDADDR: 2479 args->cmd = SIOCGIFBRDADDR; 2480 error = ioctl(td, (struct ioctl_args *)args); 2481 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2482 break; 2483 2484 case LINUX_SIOCGIFNETMASK: 2485 args->cmd = SIOCGIFNETMASK; 2486 error = ioctl(td, (struct ioctl_args *)args); 2487 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2488 break; 2489 2490 case LINUX_SIOCSIFNETMASK: 2491 error = ENOIOCTL; 2492 break; 2493 2494 case LINUX_SIOCGIFMTU: 2495 args->cmd = SIOCGIFMTU; 2496 error = ioctl(td, (struct ioctl_args *)args); 2497 break; 2498 2499 case LINUX_SIOCSIFMTU: 2500 args->cmd = SIOCSIFMTU; 2501 error = ioctl(td, (struct ioctl_args *)args); 2502 break; 2503 2504 case LINUX_SIOCSIFNAME: 2505 error = ENOIOCTL; 2506 break; 2507 2508 case LINUX_SIOCGIFHWADDR: 2509 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2510 break; 2511 2512 case LINUX_SIOCSIFHWADDR: 2513 error = ENOIOCTL; 2514 break; 2515 2516 case LINUX_SIOCADDMULTI: 2517 args->cmd = SIOCADDMULTI; 2518 error = ioctl(td, (struct ioctl_args *)args); 2519 break; 2520 2521 case LINUX_SIOCDELMULTI: 2522 args->cmd = SIOCDELMULTI; 2523 error = ioctl(td, (struct ioctl_args *)args); 2524 break; 2525 2526 case LINUX_SIOCGIFINDEX: 2527 args->cmd = SIOCGIFINDEX; 2528 error = ioctl(td, (struct ioctl_args *)args); 2529 break; 2530 2531 case LINUX_SIOCGIFCOUNT: 2532 error = 0; 2533 break; 2534 2535 /* 2536 * XXX This is slightly bogus, but these ioctls are currently 2537 * XXX only used by the aironet (if_an) network driver. 2538 */ 2539 case LINUX_SIOCDEVPRIVATE: 2540 args->cmd = SIOCGPRIVATE_0; 2541 error = ioctl(td, (struct ioctl_args *)args); 2542 break; 2543 2544 case LINUX_SIOCDEVPRIVATE+1: 2545 args->cmd = SIOCGPRIVATE_1; 2546 error = ioctl(td, (struct ioctl_args *)args); 2547 break; 2548 } 2549 2550 if (ifp != NULL) 2551 /* restore the original interface name */ 2552 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2553 2554 #ifdef DEBUG 2555 printf("%s(): returning %d\n", __func__, error); 2556 #endif 2557 return (error); 2558 } 2559 2560 /* 2561 * Device private ioctl handler 2562 */ 2563 static int 2564 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2565 { 2566 struct file *fp; 2567 int error, type; 2568 2569 if ((error = fget(td, args->fd, &fp)) != 0) 2570 return (error); 2571 type = fp->f_type; 2572 fdrop(fp, td); 2573 if (type == DTYPE_SOCKET) 2574 return (linux_ioctl_socket(td, args)); 2575 return (ENOIOCTL); 2576 } 2577 2578 /* 2579 * DRM ioctl handler (sys/dev/drm) 2580 */ 2581 static int 2582 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2583 { 2584 args->cmd = SETDIR(args->cmd); 2585 return ioctl(td, (struct ioctl_args *)args); 2586 } 2587 2588 static int 2589 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2590 { 2591 struct file *fp; 2592 u_long cmd; 2593 int error; 2594 2595 if ((error = fget(td, args->fd, &fp)) != 0) { 2596 printf("sg_linux_ioctl: fget returned %d\n", error); 2597 return (error); 2598 } 2599 cmd = args->cmd; 2600 2601 error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td)); 2602 fdrop(fp, td); 2603 return (error); 2604 } 2605 2606 /* 2607 * Video4Linux (V4L) ioctl handler 2608 */ 2609 static int 2610 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2611 { 2612 vt->tuner = lvt->tuner; 2613 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2614 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2615 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2616 vt->flags = lvt->flags; 2617 vt->mode = lvt->mode; 2618 vt->signal = lvt->signal; 2619 return (0); 2620 } 2621 2622 static int 2623 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2624 { 2625 lvt->tuner = vt->tuner; 2626 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2627 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2628 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2629 lvt->flags = vt->flags; 2630 lvt->mode = vt->mode; 2631 lvt->signal = vt->signal; 2632 return (0); 2633 } 2634 2635 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2636 static int 2637 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2638 { 2639 vc->x = lvc->x; 2640 vc->y = lvc->y; 2641 vc->width = lvc->width; 2642 vc->height = lvc->height; 2643 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2644 return (0); 2645 } 2646 #endif 2647 2648 static int 2649 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2650 { 2651 vw->x = lvw->x; 2652 vw->y = lvw->y; 2653 vw->width = lvw->width; 2654 vw->height = lvw->height; 2655 vw->chromakey = lvw->chromakey; 2656 vw->flags = lvw->flags; 2657 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2658 vw->clipcount = lvw->clipcount; 2659 return (0); 2660 } 2661 2662 static int 2663 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2664 { 2665 lvw->x = vw->x; 2666 lvw->y = vw->y; 2667 lvw->width = vw->width; 2668 lvw->height = vw->height; 2669 lvw->chromakey = vw->chromakey; 2670 lvw->flags = vw->flags; 2671 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2672 lvw->clipcount = vw->clipcount; 2673 return (0); 2674 } 2675 2676 static int 2677 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2678 { 2679 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2680 vb->height = lvb->height; 2681 vb->width = lvb->width; 2682 vb->depth = lvb->depth; 2683 vb->bytesperline = lvb->bytesperline; 2684 return (0); 2685 } 2686 2687 static int 2688 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2689 { 2690 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2691 lvb->height = vb->height; 2692 lvb->width = vb->width; 2693 lvb->depth = vb->depth; 2694 lvb->bytesperline = vb->bytesperline; 2695 return (0); 2696 } 2697 2698 static int 2699 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2700 { 2701 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2702 vc->datasize = lvc->datasize; 2703 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2704 return (0); 2705 } 2706 2707 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2708 static int 2709 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2710 { 2711 int error; 2712 struct video_clip vclip; 2713 struct l_video_clip l_vclip; 2714 2715 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2716 if (error) return (error); 2717 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2718 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2719 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2720 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2721 memcpy(*ppvc, &vclip, sizeof(vclip)); 2722 (*ppvc)->next = NULL; 2723 return (0); 2724 } 2725 2726 static int 2727 linux_v4l_cliplist_free(struct video_window *vw) 2728 { 2729 struct video_clip **ppvc; 2730 struct video_clip **ppvc_next; 2731 2732 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2733 ppvc_next = &((*ppvc)->next); 2734 free(*ppvc, M_LINUX); 2735 } 2736 vw->clips = NULL; 2737 2738 return (0); 2739 } 2740 2741 static int 2742 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2743 { 2744 int error; 2745 int clipcount; 2746 void *plvc; 2747 struct video_clip **ppvc; 2748 2749 /* 2750 * XXX: The cliplist is used to pass in a list of clipping 2751 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2752 * clipping bitmap. Some Linux apps, however, appear to 2753 * leave cliplist and clips uninitialized. In any case, 2754 * the cliplist is not used by pwc(4), at the time of 2755 * writing, FreeBSD's only V4L driver. When a driver 2756 * that uses the cliplist is developed, this code may 2757 * need re-examiniation. 2758 */ 2759 error = 0; 2760 clipcount = vw->clipcount; 2761 if (clipcount == VIDEO_CLIP_BITMAP) { 2762 /* 2763 * In this case, the pointer (clips) is overloaded 2764 * to be a "void *" to a bitmap, therefore there 2765 * is no struct video_clip to copy now. 2766 */ 2767 } else if (clipcount > 0 && clipcount <= 16384) { 2768 /* 2769 * Clips points to list of clip rectangles, so 2770 * copy the list. 2771 * 2772 * XXX: Upper limit of 16384 was used here to try to 2773 * avoid cases when clipcount and clips pointer 2774 * are uninitialized and therefore have high random 2775 * values, as is the case in the Linux Skype 2776 * application. The value 16384 was chosen as that 2777 * is what is used in the Linux stradis(4) MPEG 2778 * decoder driver, the only place we found an 2779 * example of cliplist use. 2780 */ 2781 plvc = PTRIN(lvw->clips); 2782 vw->clips = NULL; 2783 ppvc = &(vw->clips); 2784 while (clipcount-- > 0) { 2785 if (plvc == 0) { 2786 error = EFAULT; 2787 break; 2788 } else { 2789 error = linux_v4l_clip_copy(plvc, ppvc); 2790 if (error) { 2791 linux_v4l_cliplist_free(vw); 2792 break; 2793 } 2794 } 2795 ppvc = &((*ppvc)->next); 2796 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2797 } 2798 } else { 2799 /* 2800 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2801 * Force cliplist to null. 2802 */ 2803 vw->clipcount = 0; 2804 vw->clips = NULL; 2805 } 2806 return (error); 2807 } 2808 #endif 2809 2810 static int 2811 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2812 { 2813 struct file *fp; 2814 int error; 2815 struct video_tuner vtun; 2816 struct video_window vwin; 2817 struct video_buffer vbuf; 2818 struct video_code vcode; 2819 struct l_video_tuner l_vtun; 2820 struct l_video_window l_vwin; 2821 struct l_video_buffer l_vbuf; 2822 struct l_video_code l_vcode; 2823 2824 switch (args->cmd & 0xffff) { 2825 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2826 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2827 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2828 2829 case LINUX_VIDIOCGTUNER: 2830 if ((error = fget(td, args->fd, &fp)) != 0) 2831 return (error); 2832 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2833 if (error) { 2834 fdrop(fp, td); 2835 return (error); 2836 } 2837 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2838 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2839 if (!error) { 2840 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2841 error = copyout(&l_vtun, (void *) args->arg, 2842 sizeof(l_vtun)); 2843 } 2844 fdrop(fp, td); 2845 return (error); 2846 2847 case LINUX_VIDIOCSTUNER: 2848 if ((error = fget(td, args->fd, &fp)) != 0) 2849 return (error); 2850 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2851 if (error) { 2852 fdrop(fp, td); 2853 return (error); 2854 } 2855 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2856 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2857 fdrop(fp, td); 2858 return (error); 2859 2860 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2861 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2862 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2863 2864 case LINUX_VIDIOCGWIN: 2865 if ((error = fget(td, args->fd, &fp)) != 0) 2866 return (error); 2867 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2868 if (!error) { 2869 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2870 error = copyout(&l_vwin, (void *) args->arg, 2871 sizeof(l_vwin)); 2872 } 2873 fdrop(fp, td); 2874 return (error); 2875 2876 case LINUX_VIDIOCSWIN: 2877 if ((error = fget(td, args->fd, &fp)) != 0) 2878 return (error); 2879 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2880 if (error) { 2881 fdrop(fp, td); 2882 return (error); 2883 } 2884 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2885 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2886 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2887 if (error) { 2888 fdrop(fp, td); 2889 return (error); 2890 } 2891 #endif 2892 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2893 fdrop(fp, td); 2894 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2895 linux_v4l_cliplist_free(&vwin); 2896 #endif 2897 return (error); 2898 2899 case LINUX_VIDIOCGFBUF: 2900 if ((error = fget(td, args->fd, &fp)) != 0) 2901 return (error); 2902 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2903 if (!error) { 2904 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2905 error = copyout(&l_vbuf, (void *) args->arg, 2906 sizeof(l_vbuf)); 2907 } 2908 fdrop(fp, td); 2909 return (error); 2910 2911 case LINUX_VIDIOCSFBUF: 2912 if ((error = fget(td, args->fd, &fp)) != 0) 2913 return (error); 2914 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2915 if (error) { 2916 fdrop(fp, td); 2917 return (error); 2918 } 2919 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2920 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2921 fdrop(fp, td); 2922 return (error); 2923 2924 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2925 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2926 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2927 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2928 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2929 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2930 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2931 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2932 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2933 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 2934 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 2935 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 2936 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 2937 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 2938 2939 case LINUX_VIDIOCSMICROCODE: 2940 if ((error = fget(td, args->fd, &fp)) != 0) 2941 return (error); 2942 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 2943 if (error) { 2944 fdrop(fp, td); 2945 return (error); 2946 } 2947 linux_to_bsd_v4l_code(&l_vcode, &vcode); 2948 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 2949 fdrop(fp, td); 2950 return (error); 2951 2952 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 2953 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 2954 default: return (ENOIOCTL); 2955 } 2956 2957 error = ioctl(td, (struct ioctl_args *)args); 2958 return (error); 2959 } 2960 2961 /* 2962 * Special ioctl handler 2963 */ 2964 static int 2965 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2966 { 2967 int error; 2968 2969 switch (args->cmd) { 2970 case LINUX_SIOCGIFADDR: 2971 args->cmd = SIOCGIFADDR; 2972 error = ioctl(td, (struct ioctl_args *)args); 2973 break; 2974 case LINUX_SIOCSIFADDR: 2975 args->cmd = SIOCSIFADDR; 2976 error = ioctl(td, (struct ioctl_args *)args); 2977 break; 2978 case LINUX_SIOCGIFFLAGS: 2979 args->cmd = SIOCGIFFLAGS; 2980 error = ioctl(td, (struct ioctl_args *)args); 2981 break; 2982 default: 2983 error = ENOIOCTL; 2984 } 2985 2986 return (error); 2987 } 2988 2989 static int 2990 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 2991 { 2992 vstd->index = lvstd->index; 2993 vstd->id = lvstd->id; 2994 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 2995 return (0); 2996 } 2997 2998 static int 2999 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3000 { 3001 lvstd->index = vstd->index; 3002 lvstd->id = vstd->id; 3003 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3004 return (0); 3005 } 3006 3007 static int 3008 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3009 { 3010 vb->index = lvb->index; 3011 vb->type = lvb->type; 3012 vb->bytesused = lvb->bytesused; 3013 vb->flags = lvb->flags; 3014 vb->field = lvb->field; 3015 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3016 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3017 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3018 vb->sequence = lvb->sequence; 3019 vb->memory = lvb->memory; 3020 if (lvb->memory == V4L2_MEMORY_USERPTR) 3021 /* possible pointer size conversion */ 3022 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3023 else 3024 vb->m.offset = lvb->m.offset; 3025 vb->length = lvb->length; 3026 vb->input = lvb->input; 3027 vb->reserved = lvb->reserved; 3028 return (0); 3029 } 3030 3031 static int 3032 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3033 { 3034 lvb->index = vb->index; 3035 lvb->type = vb->type; 3036 lvb->bytesused = vb->bytesused; 3037 lvb->flags = vb->flags; 3038 lvb->field = vb->field; 3039 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3040 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3041 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3042 lvb->sequence = vb->sequence; 3043 lvb->memory = vb->memory; 3044 if (vb->memory == V4L2_MEMORY_USERPTR) 3045 /* possible pointer size conversion */ 3046 lvb->m.userptr = PTROUT(vb->m.userptr); 3047 else 3048 lvb->m.offset = vb->m.offset; 3049 lvb->length = vb->length; 3050 lvb->input = vb->input; 3051 lvb->reserved = vb->reserved; 3052 return (0); 3053 } 3054 3055 static int 3056 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3057 { 3058 vf->type = lvf->type; 3059 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3060 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3061 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3062 #endif 3063 ) 3064 /* 3065 * XXX TODO - needs 32 -> 64 bit conversion: 3066 * (unused by webcams?) 3067 */ 3068 return EINVAL; 3069 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3070 return 0; 3071 } 3072 3073 static int 3074 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3075 { 3076 lvf->type = vf->type; 3077 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3078 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3079 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3080 #endif 3081 ) 3082 /* 3083 * XXX TODO - needs 32 -> 64 bit conversion: 3084 * (unused by webcams?) 3085 */ 3086 return EINVAL; 3087 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3088 return 0; 3089 } 3090 static int 3091 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3092 { 3093 struct file *fp; 3094 int error; 3095 struct v4l2_format vformat; 3096 struct l_v4l2_format l_vformat; 3097 struct v4l2_standard vstd; 3098 struct l_v4l2_standard l_vstd; 3099 struct l_v4l2_buffer l_vbuf; 3100 struct v4l2_buffer vbuf; 3101 struct v4l2_input vinp; 3102 3103 switch (args->cmd & 0xffff) { 3104 case LINUX_VIDIOC_RESERVED: 3105 case LINUX_VIDIOC_LOG_STATUS: 3106 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3107 return ENOIOCTL; 3108 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3109 break; 3110 3111 case LINUX_VIDIOC_OVERLAY: 3112 case LINUX_VIDIOC_STREAMON: 3113 case LINUX_VIDIOC_STREAMOFF: 3114 case LINUX_VIDIOC_S_STD: 3115 case LINUX_VIDIOC_S_TUNER: 3116 case LINUX_VIDIOC_S_AUDIO: 3117 case LINUX_VIDIOC_S_AUDOUT: 3118 case LINUX_VIDIOC_S_MODULATOR: 3119 case LINUX_VIDIOC_S_FREQUENCY: 3120 case LINUX_VIDIOC_S_CROP: 3121 case LINUX_VIDIOC_S_JPEGCOMP: 3122 case LINUX_VIDIOC_S_PRIORITY: 3123 case LINUX_VIDIOC_DBG_S_REGISTER: 3124 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3125 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3126 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3127 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3128 break; 3129 3130 case LINUX_VIDIOC_QUERYCAP: 3131 case LINUX_VIDIOC_G_STD: 3132 case LINUX_VIDIOC_G_AUDIO: 3133 case LINUX_VIDIOC_G_INPUT: 3134 case LINUX_VIDIOC_G_OUTPUT: 3135 case LINUX_VIDIOC_G_AUDOUT: 3136 case LINUX_VIDIOC_G_JPEGCOMP: 3137 case LINUX_VIDIOC_QUERYSTD: 3138 case LINUX_VIDIOC_G_PRIORITY: 3139 case LINUX_VIDIOC_QUERY_DV_PRESET: 3140 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3141 break; 3142 3143 case LINUX_VIDIOC_ENUM_FMT: 3144 case LINUX_VIDIOC_REQBUFS: 3145 case LINUX_VIDIOC_G_PARM: 3146 case LINUX_VIDIOC_S_PARM: 3147 case LINUX_VIDIOC_G_CTRL: 3148 case LINUX_VIDIOC_S_CTRL: 3149 case LINUX_VIDIOC_G_TUNER: 3150 case LINUX_VIDIOC_QUERYCTRL: 3151 case LINUX_VIDIOC_QUERYMENU: 3152 case LINUX_VIDIOC_S_INPUT: 3153 case LINUX_VIDIOC_S_OUTPUT: 3154 case LINUX_VIDIOC_ENUMOUTPUT: 3155 case LINUX_VIDIOC_G_MODULATOR: 3156 case LINUX_VIDIOC_G_FREQUENCY: 3157 case LINUX_VIDIOC_CROPCAP: 3158 case LINUX_VIDIOC_G_CROP: 3159 case LINUX_VIDIOC_ENUMAUDIO: 3160 case LINUX_VIDIOC_ENUMAUDOUT: 3161 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3162 #ifdef VIDIOC_ENUM_FRAMESIZES 3163 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3164 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3165 case LINUX_VIDIOC_ENCODER_CMD: 3166 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3167 #endif 3168 case LINUX_VIDIOC_DBG_G_REGISTER: 3169 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3170 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3171 case LINUX_VIDIOC_S_DV_PRESET: 3172 case LINUX_VIDIOC_G_DV_PRESET: 3173 case LINUX_VIDIOC_S_DV_TIMINGS: 3174 case LINUX_VIDIOC_G_DV_TIMINGS: 3175 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3176 break; 3177 3178 case LINUX_VIDIOC_G_FMT: 3179 case LINUX_VIDIOC_S_FMT: 3180 case LINUX_VIDIOC_TRY_FMT: 3181 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3182 if (error) 3183 return (error); 3184 if ((error = fget(td, args->fd, &fp)) != 0) 3185 return (error); 3186 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3187 error = EINVAL; 3188 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3189 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3190 td->td_ucred, td); 3191 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3192 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3193 td->td_ucred, td); 3194 else 3195 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3196 td->td_ucred, td); 3197 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3198 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3199 fdrop(fp, td); 3200 return (error); 3201 3202 case LINUX_VIDIOC_ENUMSTD: 3203 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3204 if (error) 3205 return (error); 3206 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3207 if ((error = fget(td, args->fd, &fp)) != 0) 3208 return (error); 3209 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3210 td->td_ucred, td); 3211 if (error) { 3212 fdrop(fp, td); 3213 return (error); 3214 } 3215 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3216 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3217 fdrop(fp, td); 3218 return (error); 3219 3220 case LINUX_VIDIOC_ENUMINPUT: 3221 /* 3222 * The Linux struct l_v4l2_input differs only in size, 3223 * it has no padding at the end. 3224 */ 3225 error = copyin((void *)args->arg, &vinp, 3226 sizeof(struct l_v4l2_input)); 3227 if (error != 0) 3228 return (error); 3229 if ((error = fget(td, args->fd, &fp)) != 0) 3230 return (error); 3231 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3232 td->td_ucred, td); 3233 if (error) { 3234 fdrop(fp, td); 3235 return (error); 3236 } 3237 error = copyout(&vinp, (void *)args->arg, 3238 sizeof(struct l_v4l2_input)); 3239 fdrop(fp, td); 3240 return (error); 3241 3242 case LINUX_VIDIOC_QUERYBUF: 3243 case LINUX_VIDIOC_QBUF: 3244 case LINUX_VIDIOC_DQBUF: 3245 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3246 if (error) 3247 return (error); 3248 if ((error = fget(td, args->fd, &fp)) != 0) 3249 return (error); 3250 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3251 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3252 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3253 td->td_ucred, td); 3254 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3255 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3256 td->td_ucred, td); 3257 else 3258 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3259 td->td_ucred, td); 3260 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3261 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3262 fdrop(fp, td); 3263 return (error); 3264 3265 /* 3266 * XXX TODO - these need 32 -> 64 bit conversion: 3267 * (are any of them needed for webcams?) 3268 */ 3269 case LINUX_VIDIOC_G_FBUF: 3270 case LINUX_VIDIOC_S_FBUF: 3271 3272 case LINUX_VIDIOC_G_EXT_CTRLS: 3273 case LINUX_VIDIOC_S_EXT_CTRLS: 3274 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3275 3276 case LINUX_VIDIOC_DQEVENT: 3277 3278 default: return (ENOIOCTL); 3279 } 3280 3281 error = ioctl(td, (struct ioctl_args *)args); 3282 return (error); 3283 } 3284 3285 /* 3286 * main ioctl syscall function 3287 */ 3288 3289 int 3290 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3291 { 3292 struct file *fp; 3293 struct handler_element *he; 3294 int error, cmd; 3295 3296 #ifdef DEBUG 3297 if (ldebug(ioctl)) 3298 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3299 (unsigned long)args->cmd); 3300 #endif 3301 3302 if ((error = fget(td, args->fd, &fp)) != 0) 3303 return (error); 3304 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3305 fdrop(fp, td); 3306 return (EBADF); 3307 } 3308 3309 /* Iterate over the ioctl handlers */ 3310 cmd = args->cmd & 0xffff; 3311 sx_slock(&linux_ioctl_sx); 3312 mtx_lock(&Giant); 3313 TAILQ_FOREACH(he, &handlers, list) { 3314 if (cmd >= he->low && cmd <= he->high) { 3315 error = (*he->func)(td, args); 3316 if (error != ENOIOCTL) { 3317 mtx_unlock(&Giant); 3318 sx_sunlock(&linux_ioctl_sx); 3319 fdrop(fp, td); 3320 return (error); 3321 } 3322 } 3323 } 3324 mtx_unlock(&Giant); 3325 sx_sunlock(&linux_ioctl_sx); 3326 fdrop(fp, td); 3327 3328 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3329 args->fd, (int)(args->cmd & 0xffff), 3330 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3331 3332 return (EINVAL); 3333 } 3334 3335 int 3336 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3337 { 3338 struct handler_element *he, *cur; 3339 3340 if (h == NULL || h->func == NULL) 3341 return (EINVAL); 3342 3343 /* 3344 * Reuse the element if the handler is already on the list, otherwise 3345 * create a new element. 3346 */ 3347 sx_xlock(&linux_ioctl_sx); 3348 TAILQ_FOREACH(he, &handlers, list) { 3349 if (he->func == h->func) 3350 break; 3351 } 3352 if (he == NULL) { 3353 he = malloc(sizeof(*he), 3354 M_LINUX, M_WAITOK); 3355 he->func = h->func; 3356 } else 3357 TAILQ_REMOVE(&handlers, he, list); 3358 3359 /* Initialize range information. */ 3360 he->low = h->low; 3361 he->high = h->high; 3362 he->span = h->high - h->low + 1; 3363 3364 /* Add the element to the list, sorted on span. */ 3365 TAILQ_FOREACH(cur, &handlers, list) { 3366 if (cur->span > he->span) { 3367 TAILQ_INSERT_BEFORE(cur, he, list); 3368 sx_xunlock(&linux_ioctl_sx); 3369 return (0); 3370 } 3371 } 3372 TAILQ_INSERT_TAIL(&handlers, he, list); 3373 sx_xunlock(&linux_ioctl_sx); 3374 3375 return (0); 3376 } 3377 3378 int 3379 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3380 { 3381 struct handler_element *he; 3382 3383 if (h == NULL || h->func == NULL) 3384 return (EINVAL); 3385 3386 sx_xlock(&linux_ioctl_sx); 3387 TAILQ_FOREACH(he, &handlers, list) { 3388 if (he->func == h->func) { 3389 TAILQ_REMOVE(&handlers, he, list); 3390 sx_xunlock(&linux_ioctl_sx); 3391 free(he, M_LINUX); 3392 return (0); 3393 } 3394 } 3395 sx_xunlock(&linux_ioctl_sx); 3396 3397 return (EINVAL); 3398 }
Cache object: b0703e4ce81d57da4f54e36f12cac8ac
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