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 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1994-1995 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * 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 #ifdef COMPAT_LINUX32 38 #include <sys/abi_compat.h> 39 #endif 40 #include <sys/capsicum.h> 41 #include <sys/cdio.h> 42 #include <sys/dvdio.h> 43 #include <sys/conf.h> 44 #include <sys/disk.h> 45 #include <sys/consio.h> 46 #include <sys/ctype.h> 47 #include <sys/fcntl.h> 48 #include <sys/file.h> 49 #include <sys/filedesc.h> 50 #include <sys/filio.h> 51 #include <sys/jail.h> 52 #include <sys/kbio.h> 53 #include <sys/kcov.h> 54 #include <sys/kernel.h> 55 #include <sys/linker_set.h> 56 #include <sys/lock.h> 57 #include <sys/malloc.h> 58 #include <sys/proc.h> 59 #include <sys/sbuf.h> 60 #include <sys/socket.h> 61 #include <sys/sockio.h> 62 #include <sys/soundcard.h> 63 #include <sys/stdint.h> 64 #include <sys/sx.h> 65 #include <sys/sysctl.h> 66 #include <sys/tty.h> 67 #include <sys/uio.h> 68 #include <sys/types.h> 69 #include <sys/mman.h> 70 #include <sys/resourcevar.h> 71 72 #include <net/if.h> 73 #include <net/if_var.h> 74 #include <net/if_dl.h> 75 #include <net/if_types.h> 76 77 #include <dev/evdev/input.h> 78 #include <dev/usb/usb_ioctl.h> 79 80 #ifdef COMPAT_LINUX32 81 #include <machine/../linux32/linux.h> 82 #include <machine/../linux32/linux32_proto.h> 83 #else 84 #include <machine/../linux/linux.h> 85 #include <machine/../linux/linux_proto.h> 86 #endif 87 88 #include <compat/linux/linux_common.h> 89 #include <compat/linux/linux_ioctl.h> 90 #include <compat/linux/linux_mib.h> 91 #include <compat/linux/linux_socket.h> 92 #include <compat/linux/linux_timer.h> 93 #include <compat/linux/linux_util.h> 94 95 #include <contrib/v4l/videodev.h> 96 #include <compat/linux/linux_videodev_compat.h> 97 98 #include <contrib/v4l/videodev2.h> 99 #include <compat/linux/linux_videodev2_compat.h> 100 101 #include <cam/scsi/scsi_sg.h> 102 103 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 104 105 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \ 106 static linux_ioctl_function_t linux_ioctl_ ## shortname; \ 107 static struct linux_ioctl_handler shortname ## _handler = { \ 108 .func = linux_ioctl_ ## shortname, \ 109 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \ 110 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \ 111 }; \ 112 DATA_SET(linux_ioctl_handler_set, shortname ## _handler) 113 114 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM); 115 DEFINE_LINUX_IOCTL_SET(vfat, VFAT); 116 DEFINE_LINUX_IOCTL_SET(console, CONSOLE); 117 DEFINE_LINUX_IOCTL_SET(hdio, HDIO); 118 DEFINE_LINUX_IOCTL_SET(disk, DISK); 119 DEFINE_LINUX_IOCTL_SET(socket, SOCKET); 120 DEFINE_LINUX_IOCTL_SET(sound, SOUND); 121 DEFINE_LINUX_IOCTL_SET(termio, TERMIO); 122 DEFINE_LINUX_IOCTL_SET(private, PRIVATE); 123 DEFINE_LINUX_IOCTL_SET(drm, DRM); 124 DEFINE_LINUX_IOCTL_SET(sg, SG); 125 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO); 126 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2); 127 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB); 128 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV); 129 DEFINE_LINUX_IOCTL_SET(kcov, KCOV); 130 131 #undef DEFINE_LINUX_IOCTL_SET 132 133 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *); 134 135 /* 136 * Keep sorted by low. 137 */ 138 static struct linux_ioctl_handler linux_ioctls[] = { 139 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 140 .high = LINUX_IOCTL_TERMIO_MAX }, 141 }; 142 143 #ifdef __i386__ 144 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 145 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 146 static struct sx linux_ioctl_sx; 147 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 148 #else 149 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 150 extern struct sx linux_ioctl_sx; 151 #endif 152 #ifdef COMPAT_LINUX32 153 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 154 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 155 #endif 156 157 /* 158 * hdio related ioctls for VMWare support 159 */ 160 161 struct linux_hd_geometry { 162 u_int8_t heads; 163 u_int8_t sectors; 164 u_int16_t cylinders; 165 u_int32_t start; 166 }; 167 168 struct linux_hd_big_geometry { 169 u_int8_t heads; 170 u_int8_t sectors; 171 u_int32_t cylinders; 172 u_int32_t start; 173 }; 174 175 static int 176 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 177 { 178 struct file *fp; 179 int error; 180 u_int sectorsize, fwcylinders, fwheads, fwsectors; 181 off_t mediasize, bytespercyl; 182 183 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 184 if (error != 0) 185 return (error); 186 switch (args->cmd & 0xffff) { 187 case LINUX_HDIO_GET_GEO: 188 case LINUX_HDIO_GET_GEO_BIG: 189 error = fo_ioctl(fp, DIOCGMEDIASIZE, 190 (caddr_t)&mediasize, td->td_ucred, td); 191 if (!error) 192 error = fo_ioctl(fp, DIOCGSECTORSIZE, 193 (caddr_t)§orsize, td->td_ucred, td); 194 if (!error) 195 error = fo_ioctl(fp, DIOCGFWHEADS, 196 (caddr_t)&fwheads, td->td_ucred, td); 197 if (!error) 198 error = fo_ioctl(fp, DIOCGFWSECTORS, 199 (caddr_t)&fwsectors, td->td_ucred, td); 200 /* 201 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 202 * so pretend that GEOM always says 0. This is NOT VALID 203 * for slices or partitions, only the per-disk raw devices. 204 */ 205 206 fdrop(fp, td); 207 if (error) 208 return (error); 209 /* 210 * 1. Calculate the number of bytes in a cylinder, 211 * given the firmware's notion of heads and sectors 212 * per cylinder. 213 * 2. Calculate the number of cylinders, given the total 214 * size of the media. 215 * All internal calculations should have 64-bit precision. 216 */ 217 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 218 fwcylinders = mediasize / bytespercyl; 219 220 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 221 struct linux_hd_geometry hdg; 222 223 hdg.cylinders = fwcylinders; 224 hdg.heads = fwheads; 225 hdg.sectors = fwsectors; 226 hdg.start = 0; 227 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 228 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 229 struct linux_hd_big_geometry hdbg; 230 231 memset(&hdbg, 0, sizeof(hdbg)); 232 hdbg.cylinders = fwcylinders; 233 hdbg.heads = fwheads; 234 hdbg.sectors = fwsectors; 235 hdbg.start = 0; 236 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 237 } 238 return (error); 239 break; 240 default: 241 /* XXX */ 242 linux_msg(td, 243 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 244 __func__, args->fd, args->cmd, 245 (int)(args->cmd & 0xff00) >> 8, 246 (int)(args->cmd & 0xff)); 247 break; 248 } 249 fdrop(fp, td); 250 return (ENOIOCTL); 251 } 252 253 static int 254 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 255 { 256 struct file *fp; 257 int error; 258 u_int sectorsize, psectorsize; 259 uint64_t blksize64; 260 off_t mediasize, stripesize; 261 262 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 263 if (error != 0) 264 return (error); 265 switch (args->cmd & 0xffff) { 266 case LINUX_BLKGETSIZE: 267 error = fo_ioctl(fp, DIOCGSECTORSIZE, 268 (caddr_t)§orsize, td->td_ucred, td); 269 if (!error) 270 error = fo_ioctl(fp, DIOCGMEDIASIZE, 271 (caddr_t)&mediasize, td->td_ucred, td); 272 fdrop(fp, td); 273 if (error) 274 return (error); 275 sectorsize = mediasize / sectorsize; 276 /* 277 * XXX: How do we know we return the right size of integer ? 278 */ 279 return (copyout(§orsize, (void *)args->arg, 280 sizeof(sectorsize))); 281 break; 282 case LINUX_BLKGETSIZE64: 283 error = fo_ioctl(fp, DIOCGMEDIASIZE, 284 (caddr_t)&mediasize, td->td_ucred, td); 285 fdrop(fp, td); 286 if (error) 287 return (error); 288 blksize64 = mediasize;; 289 return (copyout(&blksize64, (void *)args->arg, 290 sizeof(blksize64))); 291 case LINUX_BLKSSZGET: 292 error = fo_ioctl(fp, DIOCGSECTORSIZE, 293 (caddr_t)§orsize, td->td_ucred, td); 294 fdrop(fp, td); 295 if (error) 296 return (error); 297 return (copyout(§orsize, (void *)args->arg, 298 sizeof(sectorsize))); 299 break; 300 case LINUX_BLKPBSZGET: 301 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 302 (caddr_t)&stripesize, td->td_ucred, td); 303 if (error != 0) { 304 fdrop(fp, td); 305 return (error); 306 } 307 if (stripesize > 0 && stripesize <= 4096) { 308 psectorsize = stripesize; 309 } else { 310 error = fo_ioctl(fp, DIOCGSECTORSIZE, 311 (caddr_t)§orsize, td->td_ucred, td); 312 if (error != 0) { 313 fdrop(fp, td); 314 return (error); 315 } 316 psectorsize = sectorsize; 317 } 318 fdrop(fp, td); 319 return (copyout(&psectorsize, (void *)args->arg, 320 sizeof(psectorsize))); 321 } 322 fdrop(fp, td); 323 return (ENOIOCTL); 324 } 325 326 /* 327 * termio related ioctls 328 */ 329 330 struct linux_termio { 331 unsigned short c_iflag; 332 unsigned short c_oflag; 333 unsigned short c_cflag; 334 unsigned short c_lflag; 335 unsigned char c_line; 336 unsigned char c_cc[LINUX_NCC]; 337 }; 338 339 struct linux_termios { 340 unsigned int c_iflag; 341 unsigned int c_oflag; 342 unsigned int c_cflag; 343 unsigned int c_lflag; 344 unsigned char c_line; 345 unsigned char c_cc[LINUX_NCCS]; 346 }; 347 348 struct linux_winsize { 349 unsigned short ws_row, ws_col; 350 unsigned short ws_xpixel, ws_ypixel; 351 }; 352 353 struct speedtab { 354 int sp_speed; /* Speed. */ 355 int sp_code; /* Code. */ 356 }; 357 358 static struct speedtab sptab[] = { 359 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 360 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 361 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 362 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 363 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 364 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 365 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 366 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 367 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 368 {-1, -1 } 369 }; 370 371 struct linux_serial_struct { 372 int type; 373 int line; 374 int port; 375 int irq; 376 int flags; 377 int xmit_fifo_size; 378 int custom_divisor; 379 int baud_base; 380 unsigned short close_delay; 381 char reserved_char[2]; 382 int hub6; 383 unsigned short closing_wait; 384 unsigned short closing_wait2; 385 int reserved[4]; 386 }; 387 388 static int 389 linux_to_bsd_speed(int code, struct speedtab *table) 390 { 391 for ( ; table->sp_code != -1; table++) 392 if (table->sp_code == code) 393 return (table->sp_speed); 394 return (-1); 395 } 396 397 static int 398 bsd_to_linux_speed(int speed, struct speedtab *table) 399 { 400 for ( ; table->sp_speed != -1; table++) 401 if (table->sp_speed == speed) 402 return (table->sp_code); 403 return (-1); 404 } 405 406 static void 407 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 408 { 409 int i; 410 411 lios->c_iflag = 0; 412 if (bios->c_iflag & IGNBRK) 413 lios->c_iflag |= LINUX_IGNBRK; 414 if (bios->c_iflag & BRKINT) 415 lios->c_iflag |= LINUX_BRKINT; 416 if (bios->c_iflag & IGNPAR) 417 lios->c_iflag |= LINUX_IGNPAR; 418 if (bios->c_iflag & PARMRK) 419 lios->c_iflag |= LINUX_PARMRK; 420 if (bios->c_iflag & INPCK) 421 lios->c_iflag |= LINUX_INPCK; 422 if (bios->c_iflag & ISTRIP) 423 lios->c_iflag |= LINUX_ISTRIP; 424 if (bios->c_iflag & INLCR) 425 lios->c_iflag |= LINUX_INLCR; 426 if (bios->c_iflag & IGNCR) 427 lios->c_iflag |= LINUX_IGNCR; 428 if (bios->c_iflag & ICRNL) 429 lios->c_iflag |= LINUX_ICRNL; 430 if (bios->c_iflag & IXON) 431 lios->c_iflag |= LINUX_IXON; 432 if (bios->c_iflag & IXANY) 433 lios->c_iflag |= LINUX_IXANY; 434 if (bios->c_iflag & IXOFF) 435 lios->c_iflag |= LINUX_IXOFF; 436 if (bios->c_iflag & IMAXBEL) 437 lios->c_iflag |= LINUX_IMAXBEL; 438 439 lios->c_oflag = 0; 440 if (bios->c_oflag & OPOST) 441 lios->c_oflag |= LINUX_OPOST; 442 if (bios->c_oflag & ONLCR) 443 lios->c_oflag |= LINUX_ONLCR; 444 if (bios->c_oflag & TAB3) 445 lios->c_oflag |= LINUX_XTABS; 446 447 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 448 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 449 if (bios->c_cflag & CSTOPB) 450 lios->c_cflag |= LINUX_CSTOPB; 451 if (bios->c_cflag & CREAD) 452 lios->c_cflag |= LINUX_CREAD; 453 if (bios->c_cflag & PARENB) 454 lios->c_cflag |= LINUX_PARENB; 455 if (bios->c_cflag & PARODD) 456 lios->c_cflag |= LINUX_PARODD; 457 if (bios->c_cflag & HUPCL) 458 lios->c_cflag |= LINUX_HUPCL; 459 if (bios->c_cflag & CLOCAL) 460 lios->c_cflag |= LINUX_CLOCAL; 461 if (bios->c_cflag & CRTSCTS) 462 lios->c_cflag |= LINUX_CRTSCTS; 463 464 lios->c_lflag = 0; 465 if (bios->c_lflag & ISIG) 466 lios->c_lflag |= LINUX_ISIG; 467 if (bios->c_lflag & ICANON) 468 lios->c_lflag |= LINUX_ICANON; 469 if (bios->c_lflag & ECHO) 470 lios->c_lflag |= LINUX_ECHO; 471 if (bios->c_lflag & ECHOE) 472 lios->c_lflag |= LINUX_ECHOE; 473 if (bios->c_lflag & ECHOK) 474 lios->c_lflag |= LINUX_ECHOK; 475 if (bios->c_lflag & ECHONL) 476 lios->c_lflag |= LINUX_ECHONL; 477 if (bios->c_lflag & NOFLSH) 478 lios->c_lflag |= LINUX_NOFLSH; 479 if (bios->c_lflag & TOSTOP) 480 lios->c_lflag |= LINUX_TOSTOP; 481 if (bios->c_lflag & ECHOCTL) 482 lios->c_lflag |= LINUX_ECHOCTL; 483 if (bios->c_lflag & ECHOPRT) 484 lios->c_lflag |= LINUX_ECHOPRT; 485 if (bios->c_lflag & ECHOKE) 486 lios->c_lflag |= LINUX_ECHOKE; 487 if (bios->c_lflag & FLUSHO) 488 lios->c_lflag |= LINUX_FLUSHO; 489 if (bios->c_lflag & PENDIN) 490 lios->c_lflag |= LINUX_PENDIN; 491 if (bios->c_lflag & IEXTEN) 492 lios->c_lflag |= LINUX_IEXTEN; 493 494 for (i=0; i<LINUX_NCCS; i++) 495 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 496 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 497 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 498 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 499 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 500 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 501 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 502 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 503 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 504 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 505 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 506 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 507 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 508 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 509 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 510 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 511 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 512 if (linux_preserve_vstatus) 513 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 514 515 for (i=0; i<LINUX_NCCS; i++) { 516 if (i != LINUX_VMIN && i != LINUX_VTIME && 517 lios->c_cc[i] == _POSIX_VDISABLE) 518 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 519 } 520 lios->c_line = 0; 521 } 522 523 static void 524 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 525 { 526 int i; 527 528 bios->c_iflag = 0; 529 if (lios->c_iflag & LINUX_IGNBRK) 530 bios->c_iflag |= IGNBRK; 531 if (lios->c_iflag & LINUX_BRKINT) 532 bios->c_iflag |= BRKINT; 533 if (lios->c_iflag & LINUX_IGNPAR) 534 bios->c_iflag |= IGNPAR; 535 if (lios->c_iflag & LINUX_PARMRK) 536 bios->c_iflag |= PARMRK; 537 if (lios->c_iflag & LINUX_INPCK) 538 bios->c_iflag |= INPCK; 539 if (lios->c_iflag & LINUX_ISTRIP) 540 bios->c_iflag |= ISTRIP; 541 if (lios->c_iflag & LINUX_INLCR) 542 bios->c_iflag |= INLCR; 543 if (lios->c_iflag & LINUX_IGNCR) 544 bios->c_iflag |= IGNCR; 545 if (lios->c_iflag & LINUX_ICRNL) 546 bios->c_iflag |= ICRNL; 547 if (lios->c_iflag & LINUX_IXON) 548 bios->c_iflag |= IXON; 549 if (lios->c_iflag & LINUX_IXANY) 550 bios->c_iflag |= IXANY; 551 if (lios->c_iflag & LINUX_IXOFF) 552 bios->c_iflag |= IXOFF; 553 if (lios->c_iflag & LINUX_IMAXBEL) 554 bios->c_iflag |= IMAXBEL; 555 556 bios->c_oflag = 0; 557 if (lios->c_oflag & LINUX_OPOST) 558 bios->c_oflag |= OPOST; 559 if (lios->c_oflag & LINUX_ONLCR) 560 bios->c_oflag |= ONLCR; 561 if (lios->c_oflag & LINUX_XTABS) 562 bios->c_oflag |= TAB3; 563 564 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 565 if (lios->c_cflag & LINUX_CSTOPB) 566 bios->c_cflag |= CSTOPB; 567 if (lios->c_cflag & LINUX_CREAD) 568 bios->c_cflag |= CREAD; 569 if (lios->c_cflag & LINUX_PARENB) 570 bios->c_cflag |= PARENB; 571 if (lios->c_cflag & LINUX_PARODD) 572 bios->c_cflag |= PARODD; 573 if (lios->c_cflag & LINUX_HUPCL) 574 bios->c_cflag |= HUPCL; 575 if (lios->c_cflag & LINUX_CLOCAL) 576 bios->c_cflag |= CLOCAL; 577 if (lios->c_cflag & LINUX_CRTSCTS) 578 bios->c_cflag |= CRTSCTS; 579 580 bios->c_lflag = 0; 581 if (lios->c_lflag & LINUX_ISIG) 582 bios->c_lflag |= ISIG; 583 if (lios->c_lflag & LINUX_ICANON) 584 bios->c_lflag |= ICANON; 585 if (lios->c_lflag & LINUX_ECHO) 586 bios->c_lflag |= ECHO; 587 if (lios->c_lflag & LINUX_ECHOE) 588 bios->c_lflag |= ECHOE; 589 if (lios->c_lflag & LINUX_ECHOK) 590 bios->c_lflag |= ECHOK; 591 if (lios->c_lflag & LINUX_ECHONL) 592 bios->c_lflag |= ECHONL; 593 if (lios->c_lflag & LINUX_NOFLSH) 594 bios->c_lflag |= NOFLSH; 595 if (lios->c_lflag & LINUX_TOSTOP) 596 bios->c_lflag |= TOSTOP; 597 if (lios->c_lflag & LINUX_ECHOCTL) 598 bios->c_lflag |= ECHOCTL; 599 if (lios->c_lflag & LINUX_ECHOPRT) 600 bios->c_lflag |= ECHOPRT; 601 if (lios->c_lflag & LINUX_ECHOKE) 602 bios->c_lflag |= ECHOKE; 603 if (lios->c_lflag & LINUX_FLUSHO) 604 bios->c_lflag |= FLUSHO; 605 if (lios->c_lflag & LINUX_PENDIN) 606 bios->c_lflag |= PENDIN; 607 if (lios->c_lflag & LINUX_IEXTEN) 608 bios->c_lflag |= IEXTEN; 609 610 for (i=0; i<NCCS; i++) 611 bios->c_cc[i] = _POSIX_VDISABLE; 612 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 613 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 614 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 615 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 616 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 617 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 618 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 619 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 620 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 621 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 622 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 623 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 624 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 625 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 626 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 627 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 628 if (linux_preserve_vstatus) 629 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 630 631 for (i=0; i<NCCS; i++) { 632 if (i != VMIN && i != VTIME && 633 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 634 bios->c_cc[i] = _POSIX_VDISABLE; 635 } 636 637 bios->c_ispeed = bios->c_ospeed = 638 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 639 } 640 641 static void 642 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 643 { 644 struct linux_termios lios; 645 646 memset(lio, 0, sizeof(*lio)); 647 bsd_to_linux_termios(bios, &lios); 648 lio->c_iflag = lios.c_iflag; 649 lio->c_oflag = lios.c_oflag; 650 lio->c_cflag = lios.c_cflag; 651 lio->c_lflag = lios.c_lflag; 652 lio->c_line = lios.c_line; 653 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 654 } 655 656 static void 657 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 658 { 659 struct linux_termios lios; 660 int i; 661 662 lios.c_iflag = lio->c_iflag; 663 lios.c_oflag = lio->c_oflag; 664 lios.c_cflag = lio->c_cflag; 665 lios.c_lflag = lio->c_lflag; 666 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 667 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 668 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 669 linux_to_bsd_termios(&lios, bios); 670 } 671 672 static int 673 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 674 { 675 struct termios bios; 676 struct linux_termios lios; 677 struct linux_termio lio; 678 struct file *fp; 679 int error; 680 681 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 682 if (error != 0) 683 return (error); 684 685 switch (args->cmd & 0xffff) { 686 case LINUX_TCGETS: 687 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 688 td); 689 if (error) 690 break; 691 bsd_to_linux_termios(&bios, &lios); 692 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 693 break; 694 695 case LINUX_TCSETS: 696 error = copyin((void *)args->arg, &lios, sizeof(lios)); 697 if (error) 698 break; 699 linux_to_bsd_termios(&lios, &bios); 700 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 701 td)); 702 break; 703 704 case LINUX_TCSETSW: 705 error = copyin((void *)args->arg, &lios, sizeof(lios)); 706 if (error) 707 break; 708 linux_to_bsd_termios(&lios, &bios); 709 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 710 td)); 711 break; 712 713 case LINUX_TCSETSF: 714 error = copyin((void *)args->arg, &lios, sizeof(lios)); 715 if (error) 716 break; 717 linux_to_bsd_termios(&lios, &bios); 718 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 719 td)); 720 break; 721 722 case LINUX_TCGETA: 723 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 724 td); 725 if (error) 726 break; 727 bsd_to_linux_termio(&bios, &lio); 728 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 729 break; 730 731 case LINUX_TCSETA: 732 error = copyin((void *)args->arg, &lio, sizeof(lio)); 733 if (error) 734 break; 735 linux_to_bsd_termio(&lio, &bios); 736 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 737 td)); 738 break; 739 740 case LINUX_TCSETAW: 741 error = copyin((void *)args->arg, &lio, sizeof(lio)); 742 if (error) 743 break; 744 linux_to_bsd_termio(&lio, &bios); 745 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 746 td)); 747 break; 748 749 case LINUX_TCSETAF: 750 error = copyin((void *)args->arg, &lio, sizeof(lio)); 751 if (error) 752 break; 753 linux_to_bsd_termio(&lio, &bios); 754 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 755 td)); 756 break; 757 758 /* LINUX_TCSBRK */ 759 760 case LINUX_TCXONC: { 761 switch (args->arg) { 762 case LINUX_TCOOFF: 763 args->cmd = TIOCSTOP; 764 break; 765 case LINUX_TCOON: 766 args->cmd = TIOCSTART; 767 break; 768 case LINUX_TCIOFF: 769 case LINUX_TCION: { 770 int c; 771 struct write_args wr; 772 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 773 td->td_ucred, td); 774 if (error) 775 break; 776 fdrop(fp, td); 777 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 778 c = bios.c_cc[c]; 779 if (c != _POSIX_VDISABLE) { 780 wr.fd = args->fd; 781 wr.buf = &c; 782 wr.nbyte = sizeof(c); 783 return (sys_write(td, &wr)); 784 } else 785 return (0); 786 } 787 default: 788 fdrop(fp, td); 789 return (EINVAL); 790 } 791 args->arg = 0; 792 error = (sys_ioctl(td, (struct ioctl_args *)args)); 793 break; 794 } 795 796 case LINUX_TCFLSH: { 797 int val; 798 switch (args->arg) { 799 case LINUX_TCIFLUSH: 800 val = FREAD; 801 break; 802 case LINUX_TCOFLUSH: 803 val = FWRITE; 804 break; 805 case LINUX_TCIOFLUSH: 806 val = FREAD | FWRITE; 807 break; 808 default: 809 fdrop(fp, td); 810 return (EINVAL); 811 } 812 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 813 break; 814 } 815 816 case LINUX_TIOCEXCL: 817 args->cmd = TIOCEXCL; 818 error = (sys_ioctl(td, (struct ioctl_args *)args)); 819 break; 820 821 case LINUX_TIOCNXCL: 822 args->cmd = TIOCNXCL; 823 error = (sys_ioctl(td, (struct ioctl_args *)args)); 824 break; 825 826 case LINUX_TIOCSCTTY: 827 args->cmd = TIOCSCTTY; 828 error = (sys_ioctl(td, (struct ioctl_args *)args)); 829 break; 830 831 case LINUX_TIOCGPGRP: 832 args->cmd = TIOCGPGRP; 833 error = (sys_ioctl(td, (struct ioctl_args *)args)); 834 break; 835 836 case LINUX_TIOCSPGRP: 837 args->cmd = TIOCSPGRP; 838 error = (sys_ioctl(td, (struct ioctl_args *)args)); 839 break; 840 841 /* LINUX_TIOCOUTQ */ 842 /* LINUX_TIOCSTI */ 843 844 case LINUX_TIOCGWINSZ: 845 args->cmd = TIOCGWINSZ; 846 error = (sys_ioctl(td, (struct ioctl_args *)args)); 847 break; 848 849 case LINUX_TIOCSWINSZ: 850 args->cmd = TIOCSWINSZ; 851 error = (sys_ioctl(td, (struct ioctl_args *)args)); 852 break; 853 854 case LINUX_TIOCMGET: 855 args->cmd = TIOCMGET; 856 error = (sys_ioctl(td, (struct ioctl_args *)args)); 857 break; 858 859 case LINUX_TIOCMBIS: 860 args->cmd = TIOCMBIS; 861 error = (sys_ioctl(td, (struct ioctl_args *)args)); 862 break; 863 864 case LINUX_TIOCMBIC: 865 args->cmd = TIOCMBIC; 866 error = (sys_ioctl(td, (struct ioctl_args *)args)); 867 break; 868 869 case LINUX_TIOCMSET: 870 args->cmd = TIOCMSET; 871 error = (sys_ioctl(td, (struct ioctl_args *)args)); 872 break; 873 874 /* TIOCGSOFTCAR */ 875 /* TIOCSSOFTCAR */ 876 877 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 878 args->cmd = FIONREAD; 879 error = (sys_ioctl(td, (struct ioctl_args *)args)); 880 break; 881 882 /* LINUX_TIOCLINUX */ 883 884 case LINUX_TIOCCONS: 885 args->cmd = TIOCCONS; 886 error = (sys_ioctl(td, (struct ioctl_args *)args)); 887 break; 888 889 case LINUX_TIOCGSERIAL: { 890 struct linux_serial_struct lss; 891 892 bzero(&lss, sizeof(lss)); 893 lss.type = LINUX_PORT_16550A; 894 lss.flags = 0; 895 lss.close_delay = 0; 896 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 897 break; 898 } 899 900 case LINUX_TIOCSSERIAL: { 901 struct linux_serial_struct lss; 902 error = copyin((void *)args->arg, &lss, sizeof(lss)); 903 if (error) 904 break; 905 /* XXX - It really helps to have an implementation that 906 * does nothing. NOT! 907 */ 908 error = 0; 909 break; 910 } 911 912 case LINUX_TIOCPKT: 913 args->cmd = TIOCPKT; 914 error = (sys_ioctl(td, (struct ioctl_args *)args)); 915 break; 916 917 case LINUX_FIONBIO: 918 args->cmd = FIONBIO; 919 error = (sys_ioctl(td, (struct ioctl_args *)args)); 920 break; 921 922 case LINUX_TIOCNOTTY: 923 args->cmd = TIOCNOTTY; 924 error = (sys_ioctl(td, (struct ioctl_args *)args)); 925 break; 926 927 case LINUX_TIOCSETD: { 928 int line; 929 switch (args->arg) { 930 case LINUX_N_TTY: 931 line = TTYDISC; 932 break; 933 case LINUX_N_SLIP: 934 line = SLIPDISC; 935 break; 936 case LINUX_N_PPP: 937 line = PPPDISC; 938 break; 939 default: 940 fdrop(fp, td); 941 return (EINVAL); 942 } 943 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 944 td)); 945 break; 946 } 947 948 case LINUX_TIOCGETD: { 949 int linux_line; 950 int bsd_line = TTYDISC; 951 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 952 td->td_ucred, td); 953 if (error) 954 break; 955 switch (bsd_line) { 956 case TTYDISC: 957 linux_line = LINUX_N_TTY; 958 break; 959 case SLIPDISC: 960 linux_line = LINUX_N_SLIP; 961 break; 962 case PPPDISC: 963 linux_line = LINUX_N_PPP; 964 break; 965 default: 966 fdrop(fp, td); 967 return (EINVAL); 968 } 969 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 970 break; 971 } 972 973 /* LINUX_TCSBRKP */ 974 /* LINUX_TIOCTTYGSTRUCT */ 975 976 case LINUX_FIONCLEX: 977 args->cmd = FIONCLEX; 978 error = (sys_ioctl(td, (struct ioctl_args *)args)); 979 break; 980 981 case LINUX_FIOCLEX: 982 args->cmd = FIOCLEX; 983 error = (sys_ioctl(td, (struct ioctl_args *)args)); 984 break; 985 986 case LINUX_FIOASYNC: 987 args->cmd = FIOASYNC; 988 error = (sys_ioctl(td, (struct ioctl_args *)args)); 989 break; 990 991 /* LINUX_TIOCSERCONFIG */ 992 /* LINUX_TIOCSERGWILD */ 993 /* LINUX_TIOCSERSWILD */ 994 /* LINUX_TIOCGLCKTRMIOS */ 995 /* LINUX_TIOCSLCKTRMIOS */ 996 997 case LINUX_TIOCSBRK: 998 args->cmd = TIOCSBRK; 999 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1000 break; 1001 1002 case LINUX_TIOCCBRK: 1003 args->cmd = TIOCCBRK; 1004 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1005 break; 1006 case LINUX_TIOCGPTN: { 1007 int nb; 1008 1009 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1010 if (!error) 1011 error = copyout(&nb, (void *)args->arg, 1012 sizeof(int)); 1013 break; 1014 } 1015 case LINUX_TIOCSPTLCK: 1016 /* Our unlockpt() does nothing. */ 1017 error = 0; 1018 break; 1019 default: 1020 error = ENOIOCTL; 1021 break; 1022 } 1023 1024 fdrop(fp, td); 1025 return (error); 1026 } 1027 1028 /* 1029 * CDROM related ioctls 1030 */ 1031 1032 struct linux_cdrom_msf 1033 { 1034 u_char cdmsf_min0; 1035 u_char cdmsf_sec0; 1036 u_char cdmsf_frame0; 1037 u_char cdmsf_min1; 1038 u_char cdmsf_sec1; 1039 u_char cdmsf_frame1; 1040 }; 1041 1042 struct linux_cdrom_tochdr 1043 { 1044 u_char cdth_trk0; 1045 u_char cdth_trk1; 1046 }; 1047 1048 union linux_cdrom_addr 1049 { 1050 struct { 1051 u_char minute; 1052 u_char second; 1053 u_char frame; 1054 } msf; 1055 int lba; 1056 }; 1057 1058 struct linux_cdrom_tocentry 1059 { 1060 u_char cdte_track; 1061 u_char cdte_adr:4; 1062 u_char cdte_ctrl:4; 1063 u_char cdte_format; 1064 union linux_cdrom_addr cdte_addr; 1065 u_char cdte_datamode; 1066 }; 1067 1068 struct linux_cdrom_subchnl 1069 { 1070 u_char cdsc_format; 1071 u_char cdsc_audiostatus; 1072 u_char cdsc_adr:4; 1073 u_char cdsc_ctrl:4; 1074 u_char cdsc_trk; 1075 u_char cdsc_ind; 1076 union linux_cdrom_addr cdsc_absaddr; 1077 union linux_cdrom_addr cdsc_reladdr; 1078 }; 1079 1080 struct l_cdrom_read_audio { 1081 union linux_cdrom_addr addr; 1082 u_char addr_format; 1083 l_int nframes; 1084 u_char *buf; 1085 }; 1086 1087 struct l_dvd_layer { 1088 u_char book_version:4; 1089 u_char book_type:4; 1090 u_char min_rate:4; 1091 u_char disc_size:4; 1092 u_char layer_type:4; 1093 u_char track_path:1; 1094 u_char nlayers:2; 1095 u_char track_density:4; 1096 u_char linear_density:4; 1097 u_char bca:1; 1098 u_int32_t start_sector; 1099 u_int32_t end_sector; 1100 u_int32_t end_sector_l0; 1101 }; 1102 1103 struct l_dvd_physical { 1104 u_char type; 1105 u_char layer_num; 1106 struct l_dvd_layer layer[4]; 1107 }; 1108 1109 struct l_dvd_copyright { 1110 u_char type; 1111 u_char layer_num; 1112 u_char cpst; 1113 u_char rmi; 1114 }; 1115 1116 struct l_dvd_disckey { 1117 u_char type; 1118 l_uint agid:2; 1119 u_char value[2048]; 1120 }; 1121 1122 struct l_dvd_bca { 1123 u_char type; 1124 l_int len; 1125 u_char value[188]; 1126 }; 1127 1128 struct l_dvd_manufact { 1129 u_char type; 1130 u_char layer_num; 1131 l_int len; 1132 u_char value[2048]; 1133 }; 1134 1135 typedef union { 1136 u_char type; 1137 struct l_dvd_physical physical; 1138 struct l_dvd_copyright copyright; 1139 struct l_dvd_disckey disckey; 1140 struct l_dvd_bca bca; 1141 struct l_dvd_manufact manufact; 1142 } l_dvd_struct; 1143 1144 typedef u_char l_dvd_key[5]; 1145 typedef u_char l_dvd_challenge[10]; 1146 1147 struct l_dvd_lu_send_agid { 1148 u_char type; 1149 l_uint agid:2; 1150 }; 1151 1152 struct l_dvd_host_send_challenge { 1153 u_char type; 1154 l_uint agid:2; 1155 l_dvd_challenge chal; 1156 }; 1157 1158 struct l_dvd_send_key { 1159 u_char type; 1160 l_uint agid:2; 1161 l_dvd_key key; 1162 }; 1163 1164 struct l_dvd_lu_send_challenge { 1165 u_char type; 1166 l_uint agid:2; 1167 l_dvd_challenge chal; 1168 }; 1169 1170 struct l_dvd_lu_send_title_key { 1171 u_char type; 1172 l_uint agid:2; 1173 l_dvd_key title_key; 1174 l_int lba; 1175 l_uint cpm:1; 1176 l_uint cp_sec:1; 1177 l_uint cgms:2; 1178 }; 1179 1180 struct l_dvd_lu_send_asf { 1181 u_char type; 1182 l_uint agid:2; 1183 l_uint asf:1; 1184 }; 1185 1186 struct l_dvd_host_send_rpcstate { 1187 u_char type; 1188 u_char pdrc; 1189 }; 1190 1191 struct l_dvd_lu_send_rpcstate { 1192 u_char type:2; 1193 u_char vra:3; 1194 u_char ucca:3; 1195 u_char region_mask; 1196 u_char rpc_scheme; 1197 }; 1198 1199 typedef union { 1200 u_char type; 1201 struct l_dvd_lu_send_agid lsa; 1202 struct l_dvd_host_send_challenge hsc; 1203 struct l_dvd_send_key lsk; 1204 struct l_dvd_lu_send_challenge lsc; 1205 struct l_dvd_send_key hsk; 1206 struct l_dvd_lu_send_title_key lstk; 1207 struct l_dvd_lu_send_asf lsasf; 1208 struct l_dvd_host_send_rpcstate hrpcs; 1209 struct l_dvd_lu_send_rpcstate lrpcs; 1210 } l_dvd_authinfo; 1211 1212 static void 1213 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1214 { 1215 if (af == CD_LBA_FORMAT) 1216 lp->lba = bp->lba; 1217 else { 1218 lp->msf.minute = bp->msf.minute; 1219 lp->msf.second = bp->msf.second; 1220 lp->msf.frame = bp->msf.frame; 1221 } 1222 } 1223 1224 static void 1225 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1226 { 1227 if (format == LINUX_CDROM_MSF) { 1228 addr->msf.frame = lba % 75; 1229 lba /= 75; 1230 lba += 2; 1231 addr->msf.second = lba % 60; 1232 addr->msf.minute = lba / 60; 1233 } else 1234 addr->lba = lba; 1235 } 1236 1237 static int 1238 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1239 { 1240 bp->format = lp->type; 1241 switch (bp->format) { 1242 case DVD_STRUCT_PHYSICAL: 1243 if (bp->layer_num >= 4) 1244 return (EINVAL); 1245 bp->layer_num = lp->physical.layer_num; 1246 break; 1247 case DVD_STRUCT_COPYRIGHT: 1248 bp->layer_num = lp->copyright.layer_num; 1249 break; 1250 case DVD_STRUCT_DISCKEY: 1251 bp->agid = lp->disckey.agid; 1252 break; 1253 case DVD_STRUCT_BCA: 1254 case DVD_STRUCT_MANUFACT: 1255 break; 1256 default: 1257 return (EINVAL); 1258 } 1259 return (0); 1260 } 1261 1262 static int 1263 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1264 { 1265 switch (bp->format) { 1266 case DVD_STRUCT_PHYSICAL: { 1267 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1268 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1269 memset(llp, 0, sizeof(*llp)); 1270 llp->book_version = blp->book_version; 1271 llp->book_type = blp->book_type; 1272 llp->min_rate = blp->max_rate; 1273 llp->disc_size = blp->disc_size; 1274 llp->layer_type = blp->layer_type; 1275 llp->track_path = blp->track_path; 1276 llp->nlayers = blp->nlayers; 1277 llp->track_density = blp->track_density; 1278 llp->linear_density = blp->linear_density; 1279 llp->bca = blp->bca; 1280 llp->start_sector = blp->start_sector; 1281 llp->end_sector = blp->end_sector; 1282 llp->end_sector_l0 = blp->end_sector_l0; 1283 break; 1284 } 1285 case DVD_STRUCT_COPYRIGHT: 1286 lp->copyright.cpst = bp->cpst; 1287 lp->copyright.rmi = bp->rmi; 1288 break; 1289 case DVD_STRUCT_DISCKEY: 1290 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1291 break; 1292 case DVD_STRUCT_BCA: 1293 lp->bca.len = bp->length; 1294 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1295 break; 1296 case DVD_STRUCT_MANUFACT: 1297 lp->manufact.len = bp->length; 1298 memcpy(lp->manufact.value, bp->data, 1299 sizeof(lp->manufact.value)); 1300 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1301 break; 1302 default: 1303 return (EINVAL); 1304 } 1305 return (0); 1306 } 1307 1308 static int 1309 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1310 struct dvd_authinfo *bp) 1311 { 1312 switch (lp->type) { 1313 case LINUX_DVD_LU_SEND_AGID: 1314 *bcode = DVDIOCREPORTKEY; 1315 bp->format = DVD_REPORT_AGID; 1316 bp->agid = lp->lsa.agid; 1317 break; 1318 case LINUX_DVD_HOST_SEND_CHALLENGE: 1319 *bcode = DVDIOCSENDKEY; 1320 bp->format = DVD_SEND_CHALLENGE; 1321 bp->agid = lp->hsc.agid; 1322 memcpy(bp->keychal, lp->hsc.chal, 10); 1323 break; 1324 case LINUX_DVD_LU_SEND_KEY1: 1325 *bcode = DVDIOCREPORTKEY; 1326 bp->format = DVD_REPORT_KEY1; 1327 bp->agid = lp->lsk.agid; 1328 break; 1329 case LINUX_DVD_LU_SEND_CHALLENGE: 1330 *bcode = DVDIOCREPORTKEY; 1331 bp->format = DVD_REPORT_CHALLENGE; 1332 bp->agid = lp->lsc.agid; 1333 break; 1334 case LINUX_DVD_HOST_SEND_KEY2: 1335 *bcode = DVDIOCSENDKEY; 1336 bp->format = DVD_SEND_KEY2; 1337 bp->agid = lp->hsk.agid; 1338 memcpy(bp->keychal, lp->hsk.key, 5); 1339 break; 1340 case LINUX_DVD_LU_SEND_TITLE_KEY: 1341 *bcode = DVDIOCREPORTKEY; 1342 bp->format = DVD_REPORT_TITLE_KEY; 1343 bp->agid = lp->lstk.agid; 1344 bp->lba = lp->lstk.lba; 1345 break; 1346 case LINUX_DVD_LU_SEND_ASF: 1347 *bcode = DVDIOCREPORTKEY; 1348 bp->format = DVD_REPORT_ASF; 1349 bp->agid = lp->lsasf.agid; 1350 break; 1351 case LINUX_DVD_INVALIDATE_AGID: 1352 *bcode = DVDIOCREPORTKEY; 1353 bp->format = DVD_INVALIDATE_AGID; 1354 bp->agid = lp->lsa.agid; 1355 break; 1356 case LINUX_DVD_LU_SEND_RPC_STATE: 1357 *bcode = DVDIOCREPORTKEY; 1358 bp->format = DVD_REPORT_RPC; 1359 break; 1360 case LINUX_DVD_HOST_SEND_RPC_STATE: 1361 *bcode = DVDIOCSENDKEY; 1362 bp->format = DVD_SEND_RPC; 1363 bp->region = lp->hrpcs.pdrc; 1364 break; 1365 default: 1366 return (EINVAL); 1367 } 1368 return (0); 1369 } 1370 1371 static int 1372 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1373 { 1374 switch (lp->type) { 1375 case LINUX_DVD_LU_SEND_AGID: 1376 lp->lsa.agid = bp->agid; 1377 break; 1378 case LINUX_DVD_HOST_SEND_CHALLENGE: 1379 lp->type = LINUX_DVD_LU_SEND_KEY1; 1380 break; 1381 case LINUX_DVD_LU_SEND_KEY1: 1382 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1383 break; 1384 case LINUX_DVD_LU_SEND_CHALLENGE: 1385 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1386 break; 1387 case LINUX_DVD_HOST_SEND_KEY2: 1388 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1389 break; 1390 case LINUX_DVD_LU_SEND_TITLE_KEY: 1391 memcpy(lp->lstk.title_key, bp->keychal, 1392 sizeof(lp->lstk.title_key)); 1393 lp->lstk.cpm = bp->cpm; 1394 lp->lstk.cp_sec = bp->cp_sec; 1395 lp->lstk.cgms = bp->cgms; 1396 break; 1397 case LINUX_DVD_LU_SEND_ASF: 1398 lp->lsasf.asf = bp->asf; 1399 break; 1400 case LINUX_DVD_INVALIDATE_AGID: 1401 break; 1402 case LINUX_DVD_LU_SEND_RPC_STATE: 1403 lp->lrpcs.type = bp->reg_type; 1404 lp->lrpcs.vra = bp->vend_rsts; 1405 lp->lrpcs.ucca = bp->user_rsts; 1406 lp->lrpcs.region_mask = bp->region; 1407 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1408 break; 1409 case LINUX_DVD_HOST_SEND_RPC_STATE: 1410 break; 1411 default: 1412 return (EINVAL); 1413 } 1414 return (0); 1415 } 1416 1417 static int 1418 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1419 { 1420 struct file *fp; 1421 int error; 1422 1423 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1424 if (error != 0) 1425 return (error); 1426 switch (args->cmd & 0xffff) { 1427 case LINUX_CDROMPAUSE: 1428 args->cmd = CDIOCPAUSE; 1429 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1430 break; 1431 1432 case LINUX_CDROMRESUME: 1433 args->cmd = CDIOCRESUME; 1434 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1435 break; 1436 1437 case LINUX_CDROMPLAYMSF: 1438 args->cmd = CDIOCPLAYMSF; 1439 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1440 break; 1441 1442 case LINUX_CDROMPLAYTRKIND: 1443 args->cmd = CDIOCPLAYTRACKS; 1444 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1445 break; 1446 1447 case LINUX_CDROMREADTOCHDR: { 1448 struct ioc_toc_header th; 1449 struct linux_cdrom_tochdr lth; 1450 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1451 td->td_ucred, td); 1452 if (!error) { 1453 lth.cdth_trk0 = th.starting_track; 1454 lth.cdth_trk1 = th.ending_track; 1455 copyout(<h, (void *)args->arg, sizeof(lth)); 1456 } 1457 break; 1458 } 1459 1460 case LINUX_CDROMREADTOCENTRY: { 1461 struct linux_cdrom_tocentry lte; 1462 struct ioc_read_toc_single_entry irtse; 1463 1464 error = copyin((void *)args->arg, <e, sizeof(lte)); 1465 if (error) 1466 break; 1467 irtse.address_format = lte.cdte_format; 1468 irtse.track = lte.cdte_track; 1469 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1470 td->td_ucred, td); 1471 if (!error) { 1472 lte.cdte_ctrl = irtse.entry.control; 1473 lte.cdte_adr = irtse.entry.addr_type; 1474 bsd_to_linux_msf_lba(irtse.address_format, 1475 &irtse.entry.addr, <e.cdte_addr); 1476 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1477 } 1478 break; 1479 } 1480 1481 case LINUX_CDROMSTOP: 1482 args->cmd = CDIOCSTOP; 1483 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1484 break; 1485 1486 case LINUX_CDROMSTART: 1487 args->cmd = CDIOCSTART; 1488 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1489 break; 1490 1491 case LINUX_CDROMEJECT: 1492 args->cmd = CDIOCEJECT; 1493 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1494 break; 1495 1496 /* LINUX_CDROMVOLCTRL */ 1497 1498 case LINUX_CDROMSUBCHNL: { 1499 struct linux_cdrom_subchnl sc; 1500 struct ioc_read_subchannel bsdsc; 1501 struct cd_sub_channel_info bsdinfo; 1502 1503 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1504 if (error) 1505 break; 1506 1507 /* 1508 * Invoke the native ioctl and bounce the returned data through 1509 * the userspace buffer. This works because the Linux structure 1510 * is the same size as our structures for the subchannel header 1511 * and position data. 1512 */ 1513 bsdsc.address_format = CD_LBA_FORMAT; 1514 bsdsc.data_format = CD_CURRENT_POSITION; 1515 bsdsc.track = 0; 1516 bsdsc.data_len = sizeof(sc); 1517 bsdsc.data = (void *)args->arg; 1518 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1519 td->td_ucred, td); 1520 if (error) 1521 break; 1522 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1523 if (error) 1524 break; 1525 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1526 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1527 sc.cdsc_ctrl = bsdinfo.what.position.control; 1528 sc.cdsc_trk = bsdinfo.what.position.track_number; 1529 sc.cdsc_ind = bsdinfo.what.position.index_number; 1530 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1531 bsdinfo.what.position.absaddr.lba); 1532 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1533 bsdinfo.what.position.reladdr.lba); 1534 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1535 break; 1536 } 1537 1538 /* LINUX_CDROMREADMODE2 */ 1539 /* LINUX_CDROMREADMODE1 */ 1540 /* LINUX_CDROMREADAUDIO */ 1541 /* LINUX_CDROMEJECT_SW */ 1542 /* LINUX_CDROMMULTISESSION */ 1543 /* LINUX_CDROM_GET_UPC */ 1544 1545 case LINUX_CDROMRESET: 1546 args->cmd = CDIOCRESET; 1547 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1548 break; 1549 1550 /* LINUX_CDROMVOLREAD */ 1551 /* LINUX_CDROMREADRAW */ 1552 /* LINUX_CDROMREADCOOKED */ 1553 /* LINUX_CDROMSEEK */ 1554 /* LINUX_CDROMPLAYBLK */ 1555 /* LINUX_CDROMREADALL */ 1556 /* LINUX_CDROMCLOSETRAY */ 1557 /* LINUX_CDROMLOADFROMSLOT */ 1558 /* LINUX_CDROMGETSPINDOWN */ 1559 /* LINUX_CDROMSETSPINDOWN */ 1560 /* LINUX_CDROM_SET_OPTIONS */ 1561 /* LINUX_CDROM_CLEAR_OPTIONS */ 1562 /* LINUX_CDROM_SELECT_SPEED */ 1563 /* LINUX_CDROM_SELECT_DISC */ 1564 /* LINUX_CDROM_MEDIA_CHANGED */ 1565 /* LINUX_CDROM_DRIVE_STATUS */ 1566 /* LINUX_CDROM_DISC_STATUS */ 1567 /* LINUX_CDROM_CHANGER_NSLOTS */ 1568 /* LINUX_CDROM_LOCKDOOR */ 1569 /* LINUX_CDROM_DEBUG */ 1570 /* LINUX_CDROM_GET_CAPABILITY */ 1571 /* LINUX_CDROMAUDIOBUFSIZ */ 1572 1573 case LINUX_DVD_READ_STRUCT: { 1574 l_dvd_struct *lds; 1575 struct dvd_struct *bds; 1576 1577 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1578 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1579 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1580 if (error) 1581 goto out; 1582 error = linux_to_bsd_dvd_struct(lds, bds); 1583 if (error) 1584 goto out; 1585 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1586 td->td_ucred, td); 1587 if (error) 1588 goto out; 1589 error = bsd_to_linux_dvd_struct(bds, lds); 1590 if (error) 1591 goto out; 1592 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1593 out: 1594 free(bds, M_LINUX); 1595 free(lds, M_LINUX); 1596 break; 1597 } 1598 1599 /* LINUX_DVD_WRITE_STRUCT */ 1600 1601 case LINUX_DVD_AUTH: { 1602 l_dvd_authinfo lda; 1603 struct dvd_authinfo bda; 1604 int bcode; 1605 1606 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1607 if (error) 1608 break; 1609 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1610 if (error) 1611 break; 1612 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1613 td); 1614 if (error) { 1615 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1616 lda.type = LINUX_DVD_AUTH_FAILURE; 1617 copyout(&lda, (void *)args->arg, sizeof(lda)); 1618 } 1619 break; 1620 } 1621 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1622 if (error) 1623 break; 1624 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1625 break; 1626 } 1627 1628 case LINUX_SCSI_GET_BUS_NUMBER: 1629 { 1630 struct sg_scsi_id id; 1631 1632 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1633 td->td_ucred, td); 1634 if (error) 1635 break; 1636 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1637 break; 1638 } 1639 1640 case LINUX_SCSI_GET_IDLUN: 1641 { 1642 struct sg_scsi_id id; 1643 struct scsi_idlun idl; 1644 1645 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1646 td->td_ucred, td); 1647 if (error) 1648 break; 1649 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1650 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1651 idl.host_unique_id = id.host_no; 1652 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1653 break; 1654 } 1655 1656 /* LINUX_CDROM_SEND_PACKET */ 1657 /* LINUX_CDROM_NEXT_WRITABLE */ 1658 /* LINUX_CDROM_LAST_WRITTEN */ 1659 1660 default: 1661 error = ENOIOCTL; 1662 break; 1663 } 1664 1665 fdrop(fp, td); 1666 return (error); 1667 } 1668 1669 static int 1670 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1671 { 1672 1673 return (ENOTTY); 1674 } 1675 1676 /* 1677 * Sound related ioctls 1678 */ 1679 1680 struct linux_old_mixer_info { 1681 char id[16]; 1682 char name[32]; 1683 }; 1684 1685 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1686 1687 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1688 1689 static int 1690 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1691 { 1692 1693 switch (args->cmd & 0xffff) { 1694 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1695 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1696 return (sys_ioctl(td, (struct ioctl_args *)args)); 1697 1698 case LINUX_SOUND_MIXER_WRITE_BASS: 1699 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1700 return (sys_ioctl(td, (struct ioctl_args *)args)); 1701 1702 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1704 return (sys_ioctl(td, (struct ioctl_args *)args)); 1705 1706 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1708 return (sys_ioctl(td, (struct ioctl_args *)args)); 1709 1710 case LINUX_SOUND_MIXER_WRITE_PCM: 1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1712 return (sys_ioctl(td, (struct ioctl_args *)args)); 1713 1714 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1716 return (sys_ioctl(td, (struct ioctl_args *)args)); 1717 1718 case LINUX_SOUND_MIXER_WRITE_LINE: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1720 return (sys_ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_MIC: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1724 return (sys_ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_CD: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1728 return (sys_ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_WRITE_IMIX: 1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1732 return (sys_ioctl(td, (struct ioctl_args *)args)); 1733 1734 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1736 return (sys_ioctl(td, (struct ioctl_args *)args)); 1737 1738 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1740 return (sys_ioctl(td, (struct ioctl_args *)args)); 1741 1742 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1744 return (sys_ioctl(td, (struct ioctl_args *)args)); 1745 1746 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1748 return (sys_ioctl(td, (struct ioctl_args *)args)); 1749 1750 case LINUX_SOUND_MIXER_WRITE_LINE1: 1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1752 return (sys_ioctl(td, (struct ioctl_args *)args)); 1753 1754 case LINUX_SOUND_MIXER_WRITE_LINE2: 1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1756 return (sys_ioctl(td, (struct ioctl_args *)args)); 1757 1758 case LINUX_SOUND_MIXER_WRITE_LINE3: 1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1760 return (sys_ioctl(td, (struct ioctl_args *)args)); 1761 1762 case LINUX_SOUND_MIXER_WRITE_MONITOR: 1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR); 1764 return (sys_ioctl(td, (struct ioctl_args *)args)); 1765 1766 case LINUX_SOUND_MIXER_INFO: { 1767 /* Key on encoded length */ 1768 switch ((args->cmd >> 16) & 0x1fff) { 1769 case 0x005c: { /* SOUND_MIXER_INFO */ 1770 args->cmd = SOUND_MIXER_INFO; 1771 return (sys_ioctl(td, (struct ioctl_args *)args)); 1772 } 1773 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1774 struct linux_old_mixer_info info; 1775 bzero(&info, sizeof(info)); 1776 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1777 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1778 copyout(&info, (void *)args->arg, sizeof(info)); 1779 return (0); 1780 } 1781 default: 1782 return (ENOIOCTL); 1783 } 1784 break; 1785 } 1786 1787 case LINUX_OSS_GETVERSION: { 1788 int version = linux_get_oss_version(td); 1789 return (copyout(&version, (void *)args->arg, sizeof(int))); 1790 } 1791 1792 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1793 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1794 return (sys_ioctl(td, (struct ioctl_args *)args)); 1795 1796 case LINUX_SOUND_MIXER_READ_CAPS: 1797 args->cmd = SOUND_MIXER_READ_CAPS; 1798 return (sys_ioctl(td, (struct ioctl_args *)args)); 1799 1800 case LINUX_SOUND_MIXER_READ_RECMASK: 1801 args->cmd = SOUND_MIXER_READ_RECMASK; 1802 return (sys_ioctl(td, (struct ioctl_args *)args)); 1803 1804 case LINUX_SOUND_MIXER_READ_DEVMASK: 1805 args->cmd = SOUND_MIXER_READ_DEVMASK; 1806 return (sys_ioctl(td, (struct ioctl_args *)args)); 1807 1808 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1809 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1810 return (sys_ioctl(td, (struct ioctl_args *)args)); 1811 1812 case LINUX_SNDCTL_DSP_RESET: 1813 args->cmd = SNDCTL_DSP_RESET; 1814 return (sys_ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SNDCTL_DSP_SYNC: 1817 args->cmd = SNDCTL_DSP_SYNC; 1818 return (sys_ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SNDCTL_DSP_SPEED: 1821 args->cmd = SNDCTL_DSP_SPEED; 1822 return (sys_ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SNDCTL_DSP_STEREO: 1825 args->cmd = SNDCTL_DSP_STEREO; 1826 return (sys_ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1829 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1830 return (sys_ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SNDCTL_DSP_SETFMT: 1833 args->cmd = SNDCTL_DSP_SETFMT; 1834 return (sys_ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1837 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1838 return (sys_ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SOUND_PCM_WRITE_FILTER: 1841 args->cmd = SOUND_PCM_WRITE_FILTER; 1842 return (sys_ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SNDCTL_DSP_POST: 1845 args->cmd = SNDCTL_DSP_POST; 1846 return (sys_ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1849 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1850 return (sys_ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1853 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1854 return (sys_ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SNDCTL_DSP_GETFMTS: 1857 args->cmd = SNDCTL_DSP_GETFMTS; 1858 return (sys_ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SNDCTL_DSP_GETOSPACE: 1861 args->cmd = SNDCTL_DSP_GETOSPACE; 1862 return (sys_ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_DSP_GETISPACE: 1865 args->cmd = SNDCTL_DSP_GETISPACE; 1866 return (sys_ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_DSP_NONBLOCK: 1869 args->cmd = SNDCTL_DSP_NONBLOCK; 1870 return (sys_ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_DSP_GETCAPS: 1873 args->cmd = SNDCTL_DSP_GETCAPS; 1874 return (sys_ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1877 args->cmd = SNDCTL_DSP_SETTRIGGER; 1878 return (sys_ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_DSP_GETIPTR: 1881 args->cmd = SNDCTL_DSP_GETIPTR; 1882 return (sys_ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_DSP_GETOPTR: 1885 args->cmd = SNDCTL_DSP_GETOPTR; 1886 return (sys_ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_DSP_SETDUPLEX: 1889 args->cmd = SNDCTL_DSP_SETDUPLEX; 1890 return (sys_ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_DSP_GETODELAY: 1893 args->cmd = SNDCTL_DSP_GETODELAY; 1894 return (sys_ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_SEQ_RESET: 1897 args->cmd = SNDCTL_SEQ_RESET; 1898 return (sys_ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_SEQ_SYNC: 1901 args->cmd = SNDCTL_SEQ_SYNC; 1902 return (sys_ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_SYNTH_INFO: 1905 args->cmd = SNDCTL_SYNTH_INFO; 1906 return (sys_ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_SEQ_CTRLRATE: 1909 args->cmd = SNDCTL_SEQ_CTRLRATE; 1910 return (sys_ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1913 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1914 return (sys_ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1917 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1918 return (sys_ioctl(td, (struct ioctl_args *)args)); 1919 1920 case LINUX_SNDCTL_SEQ_PERCMODE: 1921 args->cmd = SNDCTL_SEQ_PERCMODE; 1922 return (sys_ioctl(td, (struct ioctl_args *)args)); 1923 1924 case LINUX_SNDCTL_FM_LOAD_INSTR: 1925 args->cmd = SNDCTL_FM_LOAD_INSTR; 1926 return (sys_ioctl(td, (struct ioctl_args *)args)); 1927 1928 case LINUX_SNDCTL_SEQ_TESTMIDI: 1929 args->cmd = SNDCTL_SEQ_TESTMIDI; 1930 return (sys_ioctl(td, (struct ioctl_args *)args)); 1931 1932 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1933 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1934 return (sys_ioctl(td, (struct ioctl_args *)args)); 1935 1936 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1937 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1938 return (sys_ioctl(td, (struct ioctl_args *)args)); 1939 1940 case LINUX_SNDCTL_SEQ_NRMIDIS: 1941 args->cmd = SNDCTL_SEQ_NRMIDIS; 1942 return (sys_ioctl(td, (struct ioctl_args *)args)); 1943 1944 case LINUX_SNDCTL_MIDI_INFO: 1945 args->cmd = SNDCTL_MIDI_INFO; 1946 return (sys_ioctl(td, (struct ioctl_args *)args)); 1947 1948 case LINUX_SNDCTL_SEQ_TRESHOLD: 1949 args->cmd = SNDCTL_SEQ_TRESHOLD; 1950 return (sys_ioctl(td, (struct ioctl_args *)args)); 1951 1952 case LINUX_SNDCTL_SYNTH_MEMAVL: 1953 args->cmd = SNDCTL_SYNTH_MEMAVL; 1954 return (sys_ioctl(td, (struct ioctl_args *)args)); 1955 } 1956 1957 return (ENOIOCTL); 1958 } 1959 1960 /* 1961 * Console related ioctls 1962 */ 1963 1964 static int 1965 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1966 { 1967 struct file *fp; 1968 int error; 1969 1970 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1971 if (error != 0) 1972 return (error); 1973 switch (args->cmd & 0xffff) { 1974 case LINUX_KIOCSOUND: 1975 args->cmd = KIOCSOUND; 1976 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1977 break; 1978 1979 case LINUX_KDMKTONE: 1980 args->cmd = KDMKTONE; 1981 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1982 break; 1983 1984 case LINUX_KDGETLED: 1985 args->cmd = KDGETLED; 1986 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1987 break; 1988 1989 case LINUX_KDSETLED: 1990 args->cmd = KDSETLED; 1991 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1992 break; 1993 1994 case LINUX_KDSETMODE: 1995 args->cmd = KDSETMODE; 1996 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1997 break; 1998 1999 case LINUX_KDGETMODE: 2000 args->cmd = KDGETMODE; 2001 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2002 break; 2003 2004 case LINUX_KDGKBMODE: 2005 args->cmd = KDGKBMODE; 2006 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2007 break; 2008 2009 case LINUX_KDSKBMODE: { 2010 int kbdmode; 2011 switch (args->arg) { 2012 case LINUX_KBD_RAW: 2013 kbdmode = K_RAW; 2014 break; 2015 case LINUX_KBD_XLATE: 2016 kbdmode = K_XLATE; 2017 break; 2018 case LINUX_KBD_MEDIUMRAW: 2019 kbdmode = K_RAW; 2020 break; 2021 default: 2022 fdrop(fp, td); 2023 return (EINVAL); 2024 } 2025 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2026 td->td_ucred, td)); 2027 break; 2028 } 2029 2030 case LINUX_VT_OPENQRY: 2031 args->cmd = VT_OPENQRY; 2032 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2033 break; 2034 2035 case LINUX_VT_GETMODE: 2036 args->cmd = VT_GETMODE; 2037 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2038 break; 2039 2040 case LINUX_VT_SETMODE: { 2041 struct vt_mode mode; 2042 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2043 break; 2044 if (LINUX_SIG_VALID(mode.relsig)) 2045 mode.relsig = linux_to_bsd_signal(mode.relsig); 2046 else 2047 mode.relsig = 0; 2048 if (LINUX_SIG_VALID(mode.acqsig)) 2049 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2050 else 2051 mode.acqsig = 0; 2052 /* XXX. Linux ignores frsig and set it to 0. */ 2053 mode.frsig = 0; 2054 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2055 break; 2056 args->cmd = VT_SETMODE; 2057 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2058 break; 2059 } 2060 2061 case LINUX_VT_GETSTATE: 2062 args->cmd = VT_GETACTIVE; 2063 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2064 break; 2065 2066 case LINUX_VT_RELDISP: 2067 args->cmd = VT_RELDISP; 2068 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2069 break; 2070 2071 case LINUX_VT_ACTIVATE: 2072 args->cmd = VT_ACTIVATE; 2073 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2074 break; 2075 2076 case LINUX_VT_WAITACTIVE: 2077 args->cmd = VT_WAITACTIVE; 2078 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2079 break; 2080 2081 default: 2082 error = ENOIOCTL; 2083 break; 2084 } 2085 2086 fdrop(fp, td); 2087 return (error); 2088 } 2089 2090 /* 2091 * Implement the SIOCGIFNAME ioctl 2092 */ 2093 2094 static int 2095 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2096 { 2097 struct l_ifreq ifr; 2098 struct ifnet *ifp; 2099 int error, ethno, index; 2100 2101 error = copyin(uifr, &ifr, sizeof(ifr)); 2102 if (error != 0) 2103 return (error); 2104 2105 CURVNET_SET(TD_TO_VNET(curthread)); 2106 IFNET_RLOCK(); 2107 index = 1; /* ifr.ifr_ifindex starts from 1 */ 2108 ethno = 0; 2109 error = ENODEV; 2110 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2111 if (ifr.ifr_ifindex == index) { 2112 if (IFP_IS_ETH(ifp)) 2113 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, 2114 "eth%d", ethno); 2115 else 2116 strlcpy(ifr.ifr_name, ifp->if_xname, 2117 LINUX_IFNAMSIZ); 2118 error = 0; 2119 break; 2120 } 2121 if (IFP_IS_ETH(ifp)) 2122 ethno++; 2123 index++; 2124 } 2125 IFNET_RUNLOCK(); 2126 if (error == 0) 2127 error = copyout(&ifr, uifr, sizeof(ifr)); 2128 CURVNET_RESTORE(); 2129 2130 return (error); 2131 } 2132 2133 /* 2134 * Implement the SIOCGIFCONF ioctl 2135 */ 2136 2137 static int 2138 linux_ifconf(struct thread *td, struct ifconf *uifc) 2139 { 2140 #ifdef COMPAT_LINUX32 2141 struct l_ifconf ifc; 2142 #else 2143 struct ifconf ifc; 2144 #endif 2145 struct l_ifreq ifr; 2146 struct ifnet *ifp; 2147 struct ifaddr *ifa; 2148 struct sbuf *sb; 2149 int error, ethno, full = 0, valid_len, max_len; 2150 2151 error = copyin(uifc, &ifc, sizeof(ifc)); 2152 if (error != 0) 2153 return (error); 2154 2155 max_len = maxphys - 1; 2156 2157 CURVNET_SET(TD_TO_VNET(td)); 2158 /* handle the 'request buffer size' case */ 2159 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2160 ifc.ifc_len = 0; 2161 IFNET_RLOCK(); 2162 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2163 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2164 struct sockaddr *sa = ifa->ifa_addr; 2165 if (sa->sa_family == AF_INET) 2166 ifc.ifc_len += sizeof(ifr); 2167 } 2168 } 2169 IFNET_RUNLOCK(); 2170 error = copyout(&ifc, uifc, sizeof(ifc)); 2171 CURVNET_RESTORE(); 2172 return (error); 2173 } 2174 2175 if (ifc.ifc_len <= 0) { 2176 CURVNET_RESTORE(); 2177 return (EINVAL); 2178 } 2179 2180 again: 2181 /* Keep track of eth interfaces */ 2182 ethno = 0; 2183 if (ifc.ifc_len <= max_len) { 2184 max_len = ifc.ifc_len; 2185 full = 1; 2186 } 2187 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2188 max_len = 0; 2189 valid_len = 0; 2190 2191 /* Return all AF_INET addresses of all interfaces */ 2192 IFNET_RLOCK(); 2193 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2194 int addrs = 0; 2195 2196 bzero(&ifr, sizeof(ifr)); 2197 if (IFP_IS_ETH(ifp)) 2198 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2199 ethno++); 2200 else 2201 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2202 2203 /* Walk the address list */ 2204 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2205 struct sockaddr *sa = ifa->ifa_addr; 2206 2207 if (sa->sa_family == AF_INET) { 2208 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2209 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2210 sizeof(ifr.ifr_addr.sa_data)); 2211 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2212 max_len += sizeof(ifr); 2213 addrs++; 2214 } 2215 2216 if (sbuf_error(sb) == 0) 2217 valid_len = sbuf_len(sb); 2218 } 2219 if (addrs == 0) { 2220 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2221 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2222 max_len += sizeof(ifr); 2223 2224 if (sbuf_error(sb) == 0) 2225 valid_len = sbuf_len(sb); 2226 } 2227 } 2228 IFNET_RUNLOCK(); 2229 2230 if (valid_len != max_len && !full) { 2231 sbuf_delete(sb); 2232 goto again; 2233 } 2234 2235 ifc.ifc_len = valid_len; 2236 sbuf_finish(sb); 2237 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2238 if (error == 0) 2239 error = copyout(&ifc, uifc, sizeof(ifc)); 2240 sbuf_delete(sb); 2241 CURVNET_RESTORE(); 2242 2243 return (error); 2244 } 2245 2246 static int 2247 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2248 { 2249 l_short flags; 2250 2251 linux_ifflags(ifp, &flags); 2252 2253 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2254 } 2255 2256 static int 2257 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2258 { 2259 struct l_sockaddr lsa; 2260 2261 if (linux_ifhwaddr(ifp, &lsa) != 0) 2262 return (ENOENT); 2263 2264 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2265 } 2266 2267 /* 2268 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2269 * the native ioctl(). Thus, we don't really need to check the return 2270 * value of this function. 2271 */ 2272 static int 2273 bsd_to_linux_ifreq(struct ifreq *arg) 2274 { 2275 struct ifreq ifr; 2276 size_t ifr_len = sizeof(struct ifreq); 2277 int error; 2278 2279 if ((error = copyin(arg, &ifr, ifr_len))) 2280 return (error); 2281 2282 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2283 2284 error = copyout(&ifr, arg, ifr_len); 2285 2286 return (error); 2287 } 2288 2289 /* 2290 * Socket related ioctls 2291 */ 2292 2293 static int 2294 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2295 { 2296 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2297 struct ifnet *ifp; 2298 struct file *fp; 2299 int error, type; 2300 2301 ifp = NULL; 2302 error = 0; 2303 2304 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2305 if (error != 0) 2306 return (error); 2307 type = fp->f_type; 2308 fdrop(fp, td); 2309 if (type != DTYPE_SOCKET) { 2310 /* not a socket - probably a tap / vmnet device */ 2311 switch (args->cmd) { 2312 case LINUX_SIOCGIFADDR: 2313 case LINUX_SIOCSIFADDR: 2314 case LINUX_SIOCGIFFLAGS: 2315 return (linux_ioctl_special(td, args)); 2316 default: 2317 return (ENOIOCTL); 2318 } 2319 } 2320 2321 switch (args->cmd & 0xffff) { 2322 case LINUX_FIOGETOWN: 2323 case LINUX_FIOSETOWN: 2324 case LINUX_SIOCADDMULTI: 2325 case LINUX_SIOCATMARK: 2326 case LINUX_SIOCDELMULTI: 2327 case LINUX_SIOCGIFNAME: 2328 case LINUX_SIOCGIFCONF: 2329 case LINUX_SIOCGPGRP: 2330 case LINUX_SIOCSPGRP: 2331 case LINUX_SIOCGIFCOUNT: 2332 /* these ioctls don't take an interface name */ 2333 break; 2334 2335 case LINUX_SIOCGIFFLAGS: 2336 case LINUX_SIOCGIFADDR: 2337 case LINUX_SIOCSIFADDR: 2338 case LINUX_SIOCGIFDSTADDR: 2339 case LINUX_SIOCGIFBRDADDR: 2340 case LINUX_SIOCGIFNETMASK: 2341 case LINUX_SIOCSIFNETMASK: 2342 case LINUX_SIOCGIFMTU: 2343 case LINUX_SIOCSIFMTU: 2344 case LINUX_SIOCSIFNAME: 2345 case LINUX_SIOCGIFHWADDR: 2346 case LINUX_SIOCSIFHWADDR: 2347 case LINUX_SIOCDEVPRIVATE: 2348 case LINUX_SIOCDEVPRIVATE+1: 2349 case LINUX_SIOCGIFINDEX: 2350 /* copy in the interface name and translate it. */ 2351 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2352 if (error != 0) 2353 return (error); 2354 memset(ifname, 0, sizeof(ifname)); 2355 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2356 if (ifp == NULL) 2357 return (EINVAL); 2358 /* 2359 * We need to copy it back out in case we pass the 2360 * request on to our native ioctl(), which will expect 2361 * the ifreq to be in user space and have the correct 2362 * interface name. 2363 */ 2364 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2365 if (error != 0) 2366 return (error); 2367 break; 2368 2369 default: 2370 return (ENOIOCTL); 2371 } 2372 2373 switch (args->cmd & 0xffff) { 2374 case LINUX_FIOSETOWN: 2375 args->cmd = FIOSETOWN; 2376 error = sys_ioctl(td, (struct ioctl_args *)args); 2377 break; 2378 2379 case LINUX_SIOCSPGRP: 2380 args->cmd = SIOCSPGRP; 2381 error = sys_ioctl(td, (struct ioctl_args *)args); 2382 break; 2383 2384 case LINUX_FIOGETOWN: 2385 args->cmd = FIOGETOWN; 2386 error = sys_ioctl(td, (struct ioctl_args *)args); 2387 break; 2388 2389 case LINUX_SIOCGPGRP: 2390 args->cmd = SIOCGPGRP; 2391 error = sys_ioctl(td, (struct ioctl_args *)args); 2392 break; 2393 2394 case LINUX_SIOCATMARK: 2395 args->cmd = SIOCATMARK; 2396 error = sys_ioctl(td, (struct ioctl_args *)args); 2397 break; 2398 2399 /* LINUX_SIOCGSTAMP */ 2400 2401 case LINUX_SIOCGIFNAME: 2402 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2403 break; 2404 2405 case LINUX_SIOCGIFCONF: 2406 error = linux_ifconf(td, (struct ifconf *)args->arg); 2407 break; 2408 2409 case LINUX_SIOCGIFFLAGS: 2410 args->cmd = SIOCGIFFLAGS; 2411 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2412 break; 2413 2414 case LINUX_SIOCGIFADDR: 2415 args->cmd = SIOCGIFADDR; 2416 error = sys_ioctl(td, (struct ioctl_args *)args); 2417 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2418 break; 2419 2420 case LINUX_SIOCSIFADDR: 2421 /* XXX probably doesn't work, included for completeness */ 2422 args->cmd = SIOCSIFADDR; 2423 error = sys_ioctl(td, (struct ioctl_args *)args); 2424 break; 2425 2426 case LINUX_SIOCGIFDSTADDR: 2427 args->cmd = SIOCGIFDSTADDR; 2428 error = sys_ioctl(td, (struct ioctl_args *)args); 2429 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2430 break; 2431 2432 case LINUX_SIOCGIFBRDADDR: 2433 args->cmd = SIOCGIFBRDADDR; 2434 error = sys_ioctl(td, (struct ioctl_args *)args); 2435 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2436 break; 2437 2438 case LINUX_SIOCGIFNETMASK: 2439 args->cmd = SIOCGIFNETMASK; 2440 error = sys_ioctl(td, (struct ioctl_args *)args); 2441 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2442 break; 2443 2444 case LINUX_SIOCSIFNETMASK: 2445 error = ENOIOCTL; 2446 break; 2447 2448 case LINUX_SIOCGIFMTU: 2449 args->cmd = SIOCGIFMTU; 2450 error = sys_ioctl(td, (struct ioctl_args *)args); 2451 break; 2452 2453 case LINUX_SIOCSIFMTU: 2454 args->cmd = SIOCSIFMTU; 2455 error = sys_ioctl(td, (struct ioctl_args *)args); 2456 break; 2457 2458 case LINUX_SIOCSIFNAME: 2459 error = ENOIOCTL; 2460 break; 2461 2462 case LINUX_SIOCGIFHWADDR: 2463 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2464 break; 2465 2466 case LINUX_SIOCSIFHWADDR: 2467 error = ENOIOCTL; 2468 break; 2469 2470 case LINUX_SIOCADDMULTI: 2471 args->cmd = SIOCADDMULTI; 2472 error = sys_ioctl(td, (struct ioctl_args *)args); 2473 break; 2474 2475 case LINUX_SIOCDELMULTI: 2476 args->cmd = SIOCDELMULTI; 2477 error = sys_ioctl(td, (struct ioctl_args *)args); 2478 break; 2479 2480 case LINUX_SIOCGIFINDEX: 2481 args->cmd = SIOCGIFINDEX; 2482 error = sys_ioctl(td, (struct ioctl_args *)args); 2483 break; 2484 2485 case LINUX_SIOCGIFCOUNT: 2486 error = 0; 2487 break; 2488 2489 /* 2490 * XXX This is slightly bogus, but these ioctls are currently 2491 * XXX only used by the aironet (if_an) network driver. 2492 */ 2493 case LINUX_SIOCDEVPRIVATE: 2494 args->cmd = SIOCGPRIVATE_0; 2495 error = sys_ioctl(td, (struct ioctl_args *)args); 2496 break; 2497 2498 case LINUX_SIOCDEVPRIVATE+1: 2499 args->cmd = SIOCGPRIVATE_1; 2500 error = sys_ioctl(td, (struct ioctl_args *)args); 2501 break; 2502 } 2503 2504 if (ifp != NULL) 2505 /* restore the original interface name */ 2506 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2507 2508 return (error); 2509 } 2510 2511 /* 2512 * Device private ioctl handler 2513 */ 2514 static int 2515 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2516 { 2517 struct file *fp; 2518 int error, type; 2519 2520 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2521 if (error != 0) 2522 return (error); 2523 type = fp->f_type; 2524 fdrop(fp, td); 2525 if (type == DTYPE_SOCKET) 2526 return (linux_ioctl_socket(td, args)); 2527 return (ENOIOCTL); 2528 } 2529 2530 /* 2531 * DRM ioctl handler (sys/dev/drm) 2532 */ 2533 static int 2534 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2535 { 2536 args->cmd = SETDIR(args->cmd); 2537 return (sys_ioctl(td, (struct ioctl_args *)args)); 2538 } 2539 2540 #ifdef COMPAT_LINUX32 2541 static int 2542 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2543 { 2544 struct sg_io_hdr io; 2545 struct sg_io_hdr32 io32; 2546 struct file *fp; 2547 int error; 2548 2549 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2550 if (error != 0) { 2551 printf("sg_linux_ioctl: fget returned %d\n", error); 2552 return (error); 2553 } 2554 2555 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2556 goto out; 2557 2558 CP(io32, io, interface_id); 2559 CP(io32, io, dxfer_direction); 2560 CP(io32, io, cmd_len); 2561 CP(io32, io, mx_sb_len); 2562 CP(io32, io, iovec_count); 2563 CP(io32, io, dxfer_len); 2564 PTRIN_CP(io32, io, dxferp); 2565 PTRIN_CP(io32, io, cmdp); 2566 PTRIN_CP(io32, io, sbp); 2567 CP(io32, io, timeout); 2568 CP(io32, io, flags); 2569 CP(io32, io, pack_id); 2570 PTRIN_CP(io32, io, usr_ptr); 2571 CP(io32, io, status); 2572 CP(io32, io, masked_status); 2573 CP(io32, io, msg_status); 2574 CP(io32, io, sb_len_wr); 2575 CP(io32, io, host_status); 2576 CP(io32, io, driver_status); 2577 CP(io32, io, resid); 2578 CP(io32, io, duration); 2579 CP(io32, io, info); 2580 2581 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2582 goto out; 2583 2584 CP(io, io32, interface_id); 2585 CP(io, io32, dxfer_direction); 2586 CP(io, io32, cmd_len); 2587 CP(io, io32, mx_sb_len); 2588 CP(io, io32, iovec_count); 2589 CP(io, io32, dxfer_len); 2590 PTROUT_CP(io, io32, dxferp); 2591 PTROUT_CP(io, io32, cmdp); 2592 PTROUT_CP(io, io32, sbp); 2593 CP(io, io32, timeout); 2594 CP(io, io32, flags); 2595 CP(io, io32, pack_id); 2596 PTROUT_CP(io, io32, usr_ptr); 2597 CP(io, io32, status); 2598 CP(io, io32, masked_status); 2599 CP(io, io32, msg_status); 2600 CP(io, io32, sb_len_wr); 2601 CP(io, io32, host_status); 2602 CP(io, io32, driver_status); 2603 CP(io, io32, resid); 2604 CP(io, io32, duration); 2605 CP(io, io32, info); 2606 2607 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2608 2609 out: 2610 fdrop(fp, td); 2611 return (error); 2612 } 2613 #endif 2614 2615 static int 2616 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2617 { 2618 2619 switch (args->cmd) { 2620 case LINUX_SG_GET_VERSION_NUM: 2621 args->cmd = SG_GET_VERSION_NUM; 2622 break; 2623 case LINUX_SG_SET_TIMEOUT: 2624 args->cmd = SG_SET_TIMEOUT; 2625 break; 2626 case LINUX_SG_GET_TIMEOUT: 2627 args->cmd = SG_GET_TIMEOUT; 2628 break; 2629 case LINUX_SG_IO: 2630 args->cmd = SG_IO; 2631 #ifdef COMPAT_LINUX32 2632 return (linux_ioctl_sg_io(td, args)); 2633 #endif 2634 break; 2635 case LINUX_SG_GET_RESERVED_SIZE: 2636 args->cmd = SG_GET_RESERVED_SIZE; 2637 break; 2638 case LINUX_SG_GET_SCSI_ID: 2639 args->cmd = SG_GET_SCSI_ID; 2640 break; 2641 case LINUX_SG_GET_SG_TABLESIZE: 2642 args->cmd = SG_GET_SG_TABLESIZE; 2643 break; 2644 default: 2645 return (ENODEV); 2646 } 2647 return (sys_ioctl(td, (struct ioctl_args *)args)); 2648 } 2649 2650 /* 2651 * Video4Linux (V4L) ioctl handler 2652 */ 2653 static int 2654 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2655 { 2656 vt->tuner = lvt->tuner; 2657 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2658 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2659 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2660 vt->flags = lvt->flags; 2661 vt->mode = lvt->mode; 2662 vt->signal = lvt->signal; 2663 return (0); 2664 } 2665 2666 static int 2667 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2668 { 2669 lvt->tuner = vt->tuner; 2670 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2671 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2672 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2673 lvt->flags = vt->flags; 2674 lvt->mode = vt->mode; 2675 lvt->signal = vt->signal; 2676 return (0); 2677 } 2678 2679 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2680 static int 2681 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2682 { 2683 vc->x = lvc->x; 2684 vc->y = lvc->y; 2685 vc->width = lvc->width; 2686 vc->height = lvc->height; 2687 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2688 return (0); 2689 } 2690 #endif 2691 2692 static int 2693 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2694 { 2695 vw->x = lvw->x; 2696 vw->y = lvw->y; 2697 vw->width = lvw->width; 2698 vw->height = lvw->height; 2699 vw->chromakey = lvw->chromakey; 2700 vw->flags = lvw->flags; 2701 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2702 vw->clipcount = lvw->clipcount; 2703 return (0); 2704 } 2705 2706 static int 2707 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2708 { 2709 memset(lvw, 0, sizeof(*lvw)); 2710 2711 lvw->x = vw->x; 2712 lvw->y = vw->y; 2713 lvw->width = vw->width; 2714 lvw->height = vw->height; 2715 lvw->chromakey = vw->chromakey; 2716 lvw->flags = vw->flags; 2717 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2718 lvw->clipcount = vw->clipcount; 2719 return (0); 2720 } 2721 2722 static int 2723 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2724 { 2725 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2726 vb->height = lvb->height; 2727 vb->width = lvb->width; 2728 vb->depth = lvb->depth; 2729 vb->bytesperline = lvb->bytesperline; 2730 return (0); 2731 } 2732 2733 static int 2734 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2735 { 2736 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2737 lvb->height = vb->height; 2738 lvb->width = vb->width; 2739 lvb->depth = vb->depth; 2740 lvb->bytesperline = vb->bytesperline; 2741 return (0); 2742 } 2743 2744 static int 2745 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2746 { 2747 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2748 vc->datasize = lvc->datasize; 2749 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2750 return (0); 2751 } 2752 2753 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2754 static int 2755 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2756 { 2757 int error; 2758 struct video_clip vclip; 2759 struct l_video_clip l_vclip; 2760 2761 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2762 if (error) return (error); 2763 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2764 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2765 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2766 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2767 memcpy(*ppvc, &vclip, sizeof(vclip)); 2768 (*ppvc)->next = NULL; 2769 return (0); 2770 } 2771 2772 static int 2773 linux_v4l_cliplist_free(struct video_window *vw) 2774 { 2775 struct video_clip **ppvc; 2776 struct video_clip **ppvc_next; 2777 2778 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2779 ppvc_next = &((*ppvc)->next); 2780 free(*ppvc, M_LINUX); 2781 } 2782 vw->clips = NULL; 2783 2784 return (0); 2785 } 2786 2787 static int 2788 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2789 { 2790 int error; 2791 int clipcount; 2792 void *plvc; 2793 struct video_clip **ppvc; 2794 2795 /* 2796 * XXX: The cliplist is used to pass in a list of clipping 2797 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2798 * clipping bitmap. Some Linux apps, however, appear to 2799 * leave cliplist and clips uninitialized. In any case, 2800 * the cliplist is not used by pwc(4), at the time of 2801 * writing, FreeBSD's only V4L driver. When a driver 2802 * that uses the cliplist is developed, this code may 2803 * need re-examiniation. 2804 */ 2805 error = 0; 2806 clipcount = vw->clipcount; 2807 if (clipcount == VIDEO_CLIP_BITMAP) { 2808 /* 2809 * In this case, the pointer (clips) is overloaded 2810 * to be a "void *" to a bitmap, therefore there 2811 * is no struct video_clip to copy now. 2812 */ 2813 } else if (clipcount > 0 && clipcount <= 16384) { 2814 /* 2815 * Clips points to list of clip rectangles, so 2816 * copy the list. 2817 * 2818 * XXX: Upper limit of 16384 was used here to try to 2819 * avoid cases when clipcount and clips pointer 2820 * are uninitialized and therefore have high random 2821 * values, as is the case in the Linux Skype 2822 * application. The value 16384 was chosen as that 2823 * is what is used in the Linux stradis(4) MPEG 2824 * decoder driver, the only place we found an 2825 * example of cliplist use. 2826 */ 2827 plvc = PTRIN(lvw->clips); 2828 vw->clips = NULL; 2829 ppvc = &(vw->clips); 2830 while (clipcount-- > 0) { 2831 if (plvc == NULL) { 2832 error = EFAULT; 2833 break; 2834 } else { 2835 error = linux_v4l_clip_copy(plvc, ppvc); 2836 if (error) { 2837 linux_v4l_cliplist_free(vw); 2838 break; 2839 } 2840 } 2841 ppvc = &((*ppvc)->next); 2842 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2843 } 2844 } else { 2845 /* 2846 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2847 * Force cliplist to null. 2848 */ 2849 vw->clipcount = 0; 2850 vw->clips = NULL; 2851 } 2852 return (error); 2853 } 2854 #endif 2855 2856 static int 2857 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2858 { 2859 struct file *fp; 2860 int error; 2861 struct video_tuner vtun; 2862 struct video_window vwin; 2863 struct video_buffer vbuf; 2864 struct video_code vcode; 2865 struct l_video_tuner l_vtun; 2866 struct l_video_window l_vwin; 2867 struct l_video_buffer l_vbuf; 2868 struct l_video_code l_vcode; 2869 2870 switch (args->cmd & 0xffff) { 2871 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2872 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2873 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2874 2875 case LINUX_VIDIOCGTUNER: 2876 error = fget(td, args->fd, 2877 &cap_ioctl_rights, &fp); 2878 if (error != 0) 2879 return (error); 2880 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2881 if (error) { 2882 fdrop(fp, td); 2883 return (error); 2884 } 2885 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2886 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2887 if (!error) { 2888 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2889 error = copyout(&l_vtun, (void *) args->arg, 2890 sizeof(l_vtun)); 2891 } 2892 fdrop(fp, td); 2893 return (error); 2894 2895 case LINUX_VIDIOCSTUNER: 2896 error = fget(td, args->fd, 2897 &cap_ioctl_rights, &fp); 2898 if (error != 0) 2899 return (error); 2900 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2901 if (error) { 2902 fdrop(fp, td); 2903 return (error); 2904 } 2905 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2906 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2907 fdrop(fp, td); 2908 return (error); 2909 2910 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2911 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2912 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2913 2914 case LINUX_VIDIOCGWIN: 2915 error = fget(td, args->fd, 2916 &cap_ioctl_rights, &fp); 2917 if (error != 0) 2918 return (error); 2919 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2920 if (!error) { 2921 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2922 error = copyout(&l_vwin, (void *) args->arg, 2923 sizeof(l_vwin)); 2924 } 2925 fdrop(fp, td); 2926 return (error); 2927 2928 case LINUX_VIDIOCSWIN: 2929 error = fget(td, args->fd, 2930 &cap_ioctl_rights, &fp); 2931 if (error != 0) 2932 return (error); 2933 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2934 if (error) { 2935 fdrop(fp, td); 2936 return (error); 2937 } 2938 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2939 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2940 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2941 if (error) { 2942 fdrop(fp, td); 2943 return (error); 2944 } 2945 #endif 2946 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2947 fdrop(fp, td); 2948 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2949 linux_v4l_cliplist_free(&vwin); 2950 #endif 2951 return (error); 2952 2953 case LINUX_VIDIOCGFBUF: 2954 error = fget(td, args->fd, 2955 &cap_ioctl_rights, &fp); 2956 if (error != 0) 2957 return (error); 2958 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2959 if (!error) { 2960 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2961 error = copyout(&l_vbuf, (void *) args->arg, 2962 sizeof(l_vbuf)); 2963 } 2964 fdrop(fp, td); 2965 return (error); 2966 2967 case LINUX_VIDIOCSFBUF: 2968 error = fget(td, args->fd, 2969 &cap_ioctl_rights, &fp); 2970 if (error != 0) 2971 return (error); 2972 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2973 if (error) { 2974 fdrop(fp, td); 2975 return (error); 2976 } 2977 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2978 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2979 fdrop(fp, td); 2980 return (error); 2981 2982 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2983 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2984 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2985 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2986 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2987 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2988 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2989 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2990 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2991 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 2992 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 2993 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 2994 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 2995 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 2996 2997 case LINUX_VIDIOCSMICROCODE: 2998 error = fget(td, args->fd, 2999 &cap_ioctl_rights, &fp); 3000 if (error != 0) 3001 return (error); 3002 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3003 if (error) { 3004 fdrop(fp, td); 3005 return (error); 3006 } 3007 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3008 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3009 fdrop(fp, td); 3010 return (error); 3011 3012 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3013 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3014 default: return (ENOIOCTL); 3015 } 3016 3017 error = sys_ioctl(td, (struct ioctl_args *)args); 3018 return (error); 3019 } 3020 3021 /* 3022 * Special ioctl handler 3023 */ 3024 static int 3025 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3026 { 3027 int error; 3028 3029 switch (args->cmd) { 3030 case LINUX_SIOCGIFADDR: 3031 args->cmd = SIOCGIFADDR; 3032 error = sys_ioctl(td, (struct ioctl_args *)args); 3033 break; 3034 case LINUX_SIOCSIFADDR: 3035 args->cmd = SIOCSIFADDR; 3036 error = sys_ioctl(td, (struct ioctl_args *)args); 3037 break; 3038 case LINUX_SIOCGIFFLAGS: 3039 args->cmd = SIOCGIFFLAGS; 3040 error = sys_ioctl(td, (struct ioctl_args *)args); 3041 break; 3042 default: 3043 error = ENOIOCTL; 3044 } 3045 3046 return (error); 3047 } 3048 3049 static int 3050 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3051 { 3052 vstd->index = lvstd->index; 3053 vstd->id = lvstd->id; 3054 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3055 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3056 vstd->frameperiod = lvstd->frameperiod; 3057 vstd->framelines = lvstd->framelines; 3058 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3059 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3060 return (0); 3061 } 3062 3063 static int 3064 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3065 { 3066 lvstd->index = vstd->index; 3067 lvstd->id = vstd->id; 3068 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3069 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3070 lvstd->frameperiod = vstd->frameperiod; 3071 lvstd->framelines = vstd->framelines; 3072 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3073 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3074 return (0); 3075 } 3076 3077 static int 3078 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3079 { 3080 vb->index = lvb->index; 3081 vb->type = lvb->type; 3082 vb->bytesused = lvb->bytesused; 3083 vb->flags = lvb->flags; 3084 vb->field = lvb->field; 3085 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3086 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3087 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3088 vb->sequence = lvb->sequence; 3089 vb->memory = lvb->memory; 3090 if (lvb->memory == V4L2_MEMORY_USERPTR) 3091 /* possible pointer size conversion */ 3092 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3093 else 3094 vb->m.offset = lvb->m.offset; 3095 vb->length = lvb->length; 3096 vb->input = lvb->input; 3097 vb->reserved = lvb->reserved; 3098 return (0); 3099 } 3100 3101 static int 3102 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3103 { 3104 lvb->index = vb->index; 3105 lvb->type = vb->type; 3106 lvb->bytesused = vb->bytesused; 3107 lvb->flags = vb->flags; 3108 lvb->field = vb->field; 3109 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3110 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3111 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3112 lvb->sequence = vb->sequence; 3113 lvb->memory = vb->memory; 3114 if (vb->memory == V4L2_MEMORY_USERPTR) 3115 /* possible pointer size conversion */ 3116 lvb->m.userptr = PTROUT(vb->m.userptr); 3117 else 3118 lvb->m.offset = vb->m.offset; 3119 lvb->length = vb->length; 3120 lvb->input = vb->input; 3121 lvb->reserved = vb->reserved; 3122 return (0); 3123 } 3124 3125 static int 3126 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3127 { 3128 vf->type = lvf->type; 3129 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3130 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3131 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3132 #endif 3133 ) 3134 /* 3135 * XXX TODO - needs 32 -> 64 bit conversion: 3136 * (unused by webcams?) 3137 */ 3138 return (EINVAL); 3139 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3140 return (0); 3141 } 3142 3143 static int 3144 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3145 { 3146 lvf->type = vf->type; 3147 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3148 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3149 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3150 #endif 3151 ) 3152 /* 3153 * XXX TODO - needs 32 -> 64 bit conversion: 3154 * (unused by webcams?) 3155 */ 3156 return (EINVAL); 3157 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3158 return (0); 3159 } 3160 static int 3161 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3162 { 3163 struct file *fp; 3164 int error; 3165 struct v4l2_format vformat; 3166 struct l_v4l2_format l_vformat; 3167 struct v4l2_standard vstd; 3168 struct l_v4l2_standard l_vstd; 3169 struct l_v4l2_buffer l_vbuf; 3170 struct v4l2_buffer vbuf; 3171 struct v4l2_input vinp; 3172 3173 switch (args->cmd & 0xffff) { 3174 case LINUX_VIDIOC_RESERVED: 3175 case LINUX_VIDIOC_LOG_STATUS: 3176 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3177 return (ENOIOCTL); 3178 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3179 break; 3180 3181 case LINUX_VIDIOC_OVERLAY: 3182 case LINUX_VIDIOC_STREAMON: 3183 case LINUX_VIDIOC_STREAMOFF: 3184 case LINUX_VIDIOC_S_STD: 3185 case LINUX_VIDIOC_S_TUNER: 3186 case LINUX_VIDIOC_S_AUDIO: 3187 case LINUX_VIDIOC_S_AUDOUT: 3188 case LINUX_VIDIOC_S_MODULATOR: 3189 case LINUX_VIDIOC_S_FREQUENCY: 3190 case LINUX_VIDIOC_S_CROP: 3191 case LINUX_VIDIOC_S_JPEGCOMP: 3192 case LINUX_VIDIOC_S_PRIORITY: 3193 case LINUX_VIDIOC_DBG_S_REGISTER: 3194 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3195 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3196 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3197 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3198 break; 3199 3200 case LINUX_VIDIOC_QUERYCAP: 3201 case LINUX_VIDIOC_G_STD: 3202 case LINUX_VIDIOC_G_AUDIO: 3203 case LINUX_VIDIOC_G_INPUT: 3204 case LINUX_VIDIOC_G_OUTPUT: 3205 case LINUX_VIDIOC_G_AUDOUT: 3206 case LINUX_VIDIOC_G_JPEGCOMP: 3207 case LINUX_VIDIOC_QUERYSTD: 3208 case LINUX_VIDIOC_G_PRIORITY: 3209 case LINUX_VIDIOC_QUERY_DV_PRESET: 3210 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3211 break; 3212 3213 case LINUX_VIDIOC_ENUM_FMT: 3214 case LINUX_VIDIOC_REQBUFS: 3215 case LINUX_VIDIOC_G_PARM: 3216 case LINUX_VIDIOC_S_PARM: 3217 case LINUX_VIDIOC_G_CTRL: 3218 case LINUX_VIDIOC_S_CTRL: 3219 case LINUX_VIDIOC_G_TUNER: 3220 case LINUX_VIDIOC_QUERYCTRL: 3221 case LINUX_VIDIOC_QUERYMENU: 3222 case LINUX_VIDIOC_S_INPUT: 3223 case LINUX_VIDIOC_S_OUTPUT: 3224 case LINUX_VIDIOC_ENUMOUTPUT: 3225 case LINUX_VIDIOC_G_MODULATOR: 3226 case LINUX_VIDIOC_G_FREQUENCY: 3227 case LINUX_VIDIOC_CROPCAP: 3228 case LINUX_VIDIOC_G_CROP: 3229 case LINUX_VIDIOC_ENUMAUDIO: 3230 case LINUX_VIDIOC_ENUMAUDOUT: 3231 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3232 #ifdef VIDIOC_ENUM_FRAMESIZES 3233 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3234 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3235 case LINUX_VIDIOC_ENCODER_CMD: 3236 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3237 #endif 3238 case LINUX_VIDIOC_DBG_G_REGISTER: 3239 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3240 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3241 case LINUX_VIDIOC_S_DV_PRESET: 3242 case LINUX_VIDIOC_G_DV_PRESET: 3243 case LINUX_VIDIOC_S_DV_TIMINGS: 3244 case LINUX_VIDIOC_G_DV_TIMINGS: 3245 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3246 break; 3247 3248 case LINUX_VIDIOC_G_FMT: 3249 case LINUX_VIDIOC_S_FMT: 3250 case LINUX_VIDIOC_TRY_FMT: 3251 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3252 if (error) 3253 return (error); 3254 error = fget(td, args->fd, 3255 &cap_ioctl_rights, &fp); 3256 if (error) 3257 return (error); 3258 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3259 error = EINVAL; 3260 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3261 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3262 td->td_ucred, td); 3263 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3264 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3265 td->td_ucred, td); 3266 else 3267 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3268 td->td_ucred, td); 3269 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3270 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3271 fdrop(fp, td); 3272 return (error); 3273 3274 case LINUX_VIDIOC_ENUMSTD: 3275 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3276 if (error) 3277 return (error); 3278 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3279 error = fget(td, args->fd, 3280 &cap_ioctl_rights, &fp); 3281 if (error) 3282 return (error); 3283 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3284 td->td_ucred, td); 3285 if (error) { 3286 fdrop(fp, td); 3287 return (error); 3288 } 3289 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3290 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3291 fdrop(fp, td); 3292 return (error); 3293 3294 case LINUX_VIDIOC_ENUMINPUT: 3295 /* 3296 * The Linux struct l_v4l2_input differs only in size, 3297 * it has no padding at the end. 3298 */ 3299 error = copyin((void *)args->arg, &vinp, 3300 sizeof(struct l_v4l2_input)); 3301 if (error != 0) 3302 return (error); 3303 error = fget(td, args->fd, 3304 &cap_ioctl_rights, &fp); 3305 if (error != 0) 3306 return (error); 3307 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3308 td->td_ucred, td); 3309 if (error) { 3310 fdrop(fp, td); 3311 return (error); 3312 } 3313 error = copyout(&vinp, (void *)args->arg, 3314 sizeof(struct l_v4l2_input)); 3315 fdrop(fp, td); 3316 return (error); 3317 3318 case LINUX_VIDIOC_QUERYBUF: 3319 case LINUX_VIDIOC_QBUF: 3320 case LINUX_VIDIOC_DQBUF: 3321 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3322 if (error) 3323 return (error); 3324 error = fget(td, args->fd, 3325 &cap_ioctl_rights, &fp); 3326 if (error) 3327 return (error); 3328 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3329 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3330 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3331 td->td_ucred, td); 3332 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3333 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3334 td->td_ucred, td); 3335 else 3336 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3337 td->td_ucred, td); 3338 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3339 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3340 fdrop(fp, td); 3341 return (error); 3342 3343 /* 3344 * XXX TODO - these need 32 -> 64 bit conversion: 3345 * (are any of them needed for webcams?) 3346 */ 3347 case LINUX_VIDIOC_G_FBUF: 3348 case LINUX_VIDIOC_S_FBUF: 3349 3350 case LINUX_VIDIOC_G_EXT_CTRLS: 3351 case LINUX_VIDIOC_S_EXT_CTRLS: 3352 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3353 3354 case LINUX_VIDIOC_DQEVENT: 3355 3356 default: return (ENOIOCTL); 3357 } 3358 3359 error = sys_ioctl(td, (struct ioctl_args *)args); 3360 return (error); 3361 } 3362 3363 /* 3364 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3365 * instead of USB* ones. This lets us to provide correct values for cmd. 3366 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3367 */ 3368 static int 3369 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3370 { 3371 int error; 3372 3373 error = 0; 3374 switch (args->cmd) { 3375 case FBSD_LUSB_DEVICEENUMERATE: 3376 args->cmd = USB_DEVICEENUMERATE; 3377 break; 3378 case FBSD_LUSB_DEV_QUIRK_ADD: 3379 args->cmd = USB_DEV_QUIRK_ADD; 3380 break; 3381 case FBSD_LUSB_DEV_QUIRK_GET: 3382 args->cmd = USB_DEV_QUIRK_GET; 3383 break; 3384 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3385 args->cmd = USB_DEV_QUIRK_REMOVE; 3386 break; 3387 case FBSD_LUSB_DO_REQUEST: 3388 args->cmd = USB_DO_REQUEST; 3389 break; 3390 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3391 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3392 break; 3393 case FBSD_LUSB_FS_CLOSE: 3394 args->cmd = USB_FS_CLOSE; 3395 break; 3396 case FBSD_LUSB_FS_COMPLETE: 3397 args->cmd = USB_FS_COMPLETE; 3398 break; 3399 case FBSD_LUSB_FS_INIT: 3400 args->cmd = USB_FS_INIT; 3401 break; 3402 case FBSD_LUSB_FS_OPEN: 3403 args->cmd = USB_FS_OPEN; 3404 break; 3405 case FBSD_LUSB_FS_START: 3406 args->cmd = USB_FS_START; 3407 break; 3408 case FBSD_LUSB_FS_STOP: 3409 args->cmd = USB_FS_STOP; 3410 break; 3411 case FBSD_LUSB_FS_UNINIT: 3412 args->cmd = USB_FS_UNINIT; 3413 break; 3414 case FBSD_LUSB_GET_CONFIG: 3415 args->cmd = USB_GET_CONFIG; 3416 break; 3417 case FBSD_LUSB_GET_DEVICEINFO: 3418 args->cmd = USB_GET_DEVICEINFO; 3419 break; 3420 case FBSD_LUSB_GET_DEVICE_DESC: 3421 args->cmd = USB_GET_DEVICE_DESC; 3422 break; 3423 case FBSD_LUSB_GET_FULL_DESC: 3424 args->cmd = USB_GET_FULL_DESC; 3425 break; 3426 case FBSD_LUSB_GET_IFACE_DRIVER: 3427 args->cmd = USB_GET_IFACE_DRIVER; 3428 break; 3429 case FBSD_LUSB_GET_PLUGTIME: 3430 args->cmd = USB_GET_PLUGTIME; 3431 break; 3432 case FBSD_LUSB_GET_POWER_MODE: 3433 args->cmd = USB_GET_POWER_MODE; 3434 break; 3435 case FBSD_LUSB_GET_REPORT_DESC: 3436 args->cmd = USB_GET_REPORT_DESC; 3437 break; 3438 case FBSD_LUSB_GET_REPORT_ID: 3439 args->cmd = USB_GET_REPORT_ID; 3440 break; 3441 case FBSD_LUSB_GET_TEMPLATE: 3442 args->cmd = USB_GET_TEMPLATE; 3443 break; 3444 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3445 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3446 break; 3447 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3448 args->cmd = USB_IFACE_DRIVER_DETACH; 3449 break; 3450 case FBSD_LUSB_QUIRK_NAME_GET: 3451 args->cmd = USB_QUIRK_NAME_GET; 3452 break; 3453 case FBSD_LUSB_READ_DIR: 3454 args->cmd = USB_READ_DIR; 3455 break; 3456 case FBSD_LUSB_SET_ALTINTERFACE: 3457 args->cmd = USB_SET_ALTINTERFACE; 3458 break; 3459 case FBSD_LUSB_SET_CONFIG: 3460 args->cmd = USB_SET_CONFIG; 3461 break; 3462 case FBSD_LUSB_SET_IMMED: 3463 args->cmd = USB_SET_IMMED; 3464 break; 3465 case FBSD_LUSB_SET_POWER_MODE: 3466 args->cmd = USB_SET_POWER_MODE; 3467 break; 3468 case FBSD_LUSB_SET_TEMPLATE: 3469 args->cmd = USB_SET_TEMPLATE; 3470 break; 3471 case FBSD_LUSB_FS_OPEN_STREAM: 3472 args->cmd = USB_FS_OPEN_STREAM; 3473 break; 3474 case FBSD_LUSB_GET_DEV_PORT_PATH: 3475 args->cmd = USB_GET_DEV_PORT_PATH; 3476 break; 3477 case FBSD_LUSB_GET_POWER_USAGE: 3478 args->cmd = USB_GET_POWER_USAGE; 3479 break; 3480 case FBSD_LUSB_DEVICESTATS: 3481 args->cmd = USB_DEVICESTATS; 3482 break; 3483 default: 3484 error = ENOIOCTL; 3485 } 3486 if (error != ENOIOCTL) 3487 error = sys_ioctl(td, (struct ioctl_args *)args); 3488 return (error); 3489 } 3490 3491 /* 3492 * Some evdev ioctls must be translated. 3493 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3494 * (must be IOC_INOUT on FreeBSD). 3495 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3496 * an int argument. You don't pass an int pointer to the ioctl(), however, 3497 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3498 * this to work. 3499 */ 3500 static int 3501 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3502 { 3503 struct file *fp; 3504 clockid_t clock; 3505 int error; 3506 3507 args->cmd = SETDIR(args->cmd); 3508 3509 switch (args->cmd) { 3510 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3511 args->cmd = EVIOCGRAB; 3512 break; 3513 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3514 args->cmd = EVIOCREVOKE; 3515 break; 3516 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3517 args->cmd = EVIOCRMFF; 3518 break; 3519 case EVIOCSCLOCKID: { 3520 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3521 if (error != 0) 3522 return (error); 3523 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3524 return (EINVAL); 3525 error = linux_to_native_clockid(&clock, clock); 3526 if (error != 0) 3527 return (error); 3528 3529 error = fget(td, args->fd, 3530 &cap_ioctl_rights, &fp); 3531 if (error != 0) 3532 return (error); 3533 3534 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3535 fdrop(fp, td); 3536 return (error); 3537 } 3538 default: 3539 break; 3540 } 3541 3542 if (IOCBASECMD(args->cmd) == 3543 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3544 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3545 3546 return (sys_ioctl(td, (struct ioctl_args *)args)); 3547 } 3548 3549 static int 3550 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3551 { 3552 int error; 3553 3554 error = 0; 3555 switch (args->cmd & 0xffff) { 3556 case LINUX_KCOV_INIT_TRACE: 3557 args->cmd = KIOSETBUFSIZE; 3558 break; 3559 case LINUX_KCOV_ENABLE: 3560 args->cmd = KIOENABLE; 3561 if (args->arg == 0) 3562 args->arg = KCOV_MODE_TRACE_PC; 3563 else if (args->arg == 1) 3564 args->arg = KCOV_MODE_TRACE_CMP; 3565 else 3566 error = EINVAL; 3567 break; 3568 case LINUX_KCOV_DISABLE: 3569 args->cmd = KIODISABLE; 3570 break; 3571 default: 3572 error = ENOTTY; 3573 break; 3574 } 3575 3576 if (error == 0) 3577 error = sys_ioctl(td, (struct ioctl_args *)args); 3578 return (error); 3579 } 3580 3581 /* 3582 * main ioctl syscall function 3583 */ 3584 3585 static int 3586 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3587 { 3588 struct file *fp; 3589 struct linux_ioctl_handler_element *he; 3590 int error, cmd; 3591 3592 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3593 if (error != 0) 3594 return (error); 3595 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3596 fdrop(fp, td); 3597 return (EBADF); 3598 } 3599 3600 /* Iterate over the ioctl handlers */ 3601 cmd = args->cmd & 0xffff; 3602 sx_slock(&linux_ioctl_sx); 3603 mtx_lock(&Giant); 3604 #ifdef COMPAT_LINUX32 3605 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3606 if (cmd >= he->low && cmd <= he->high) { 3607 error = (*he->func)(td, args); 3608 if (error != ENOIOCTL) { 3609 mtx_unlock(&Giant); 3610 sx_sunlock(&linux_ioctl_sx); 3611 fdrop(fp, td); 3612 return (error); 3613 } 3614 } 3615 } 3616 #endif 3617 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3618 if (cmd >= he->low && cmd <= he->high) { 3619 error = (*he->func)(td, args); 3620 if (error != ENOIOCTL) { 3621 mtx_unlock(&Giant); 3622 sx_sunlock(&linux_ioctl_sx); 3623 fdrop(fp, td); 3624 return (error); 3625 } 3626 } 3627 } 3628 mtx_unlock(&Giant); 3629 sx_sunlock(&linux_ioctl_sx); 3630 fdrop(fp, td); 3631 3632 switch (args->cmd & 0xffff) { 3633 case LINUX_BTRFS_IOC_CLONE: 3634 case LINUX_F2FS_IOC_GET_FEATURES: 3635 case LINUX_FS_IOC_FIEMAP: 3636 return (ENOTSUP); 3637 3638 default: 3639 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3640 __func__, args->fd, args->cmd, 3641 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3642 break; 3643 } 3644 3645 return (EINVAL); 3646 } 3647 3648 int 3649 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3650 { 3651 struct linux_ioctl_handler *handler; 3652 int error, cmd, i; 3653 3654 cmd = args->cmd & 0xffff; 3655 3656 /* 3657 * array of ioctls known at compilation time. Elides a lot of work on 3658 * each call compared to the list variant. Everything frequently used 3659 * should be moved here. 3660 * 3661 * Arguably the magic creating the list should create an array instead. 3662 * 3663 * For now just a linear scan. 3664 */ 3665 for (i = 0; i < nitems(linux_ioctls); i++) { 3666 handler = &linux_ioctls[i]; 3667 if (cmd >= handler->low && cmd <= handler->high) { 3668 error = (*handler->func)(td, args); 3669 if (error != ENOIOCTL) { 3670 return (error); 3671 } 3672 } 3673 } 3674 return (linux_ioctl_fallback(td, args)); 3675 } 3676 3677 int 3678 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3679 { 3680 struct linux_ioctl_handler_element *he, *cur; 3681 3682 if (h == NULL || h->func == NULL) 3683 return (EINVAL); 3684 3685 /* 3686 * Reuse the element if the handler is already on the list, otherwise 3687 * create a new element. 3688 */ 3689 sx_xlock(&linux_ioctl_sx); 3690 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3691 if (he->func == h->func) 3692 break; 3693 } 3694 if (he == NULL) { 3695 he = malloc(sizeof(*he), 3696 M_LINUX, M_WAITOK); 3697 he->func = h->func; 3698 } else 3699 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3700 3701 /* Initialize range information. */ 3702 he->low = h->low; 3703 he->high = h->high; 3704 he->span = h->high - h->low + 1; 3705 3706 /* Add the element to the list, sorted on span. */ 3707 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3708 if (cur->span > he->span) { 3709 TAILQ_INSERT_BEFORE(cur, he, list); 3710 sx_xunlock(&linux_ioctl_sx); 3711 return (0); 3712 } 3713 } 3714 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3715 sx_xunlock(&linux_ioctl_sx); 3716 3717 return (0); 3718 } 3719 3720 int 3721 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3722 { 3723 struct linux_ioctl_handler_element *he; 3724 3725 if (h == NULL || h->func == NULL) 3726 return (EINVAL); 3727 3728 sx_xlock(&linux_ioctl_sx); 3729 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3730 if (he->func == h->func) { 3731 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3732 sx_xunlock(&linux_ioctl_sx); 3733 free(he, M_LINUX); 3734 return (0); 3735 } 3736 } 3737 sx_xunlock(&linux_ioctl_sx); 3738 3739 return (EINVAL); 3740 } 3741 3742 #ifdef COMPAT_LINUX32 3743 int 3744 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3745 { 3746 struct linux_ioctl_handler_element *he, *cur; 3747 3748 if (h == NULL || h->func == NULL) 3749 return (EINVAL); 3750 3751 /* 3752 * Reuse the element if the handler is already on the list, otherwise 3753 * create a new element. 3754 */ 3755 sx_xlock(&linux_ioctl_sx); 3756 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3757 if (he->func == h->func) 3758 break; 3759 } 3760 if (he == NULL) { 3761 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3762 he->func = h->func; 3763 } else 3764 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3765 3766 /* Initialize range information. */ 3767 he->low = h->low; 3768 he->high = h->high; 3769 he->span = h->high - h->low + 1; 3770 3771 /* Add the element to the list, sorted on span. */ 3772 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3773 if (cur->span > he->span) { 3774 TAILQ_INSERT_BEFORE(cur, he, list); 3775 sx_xunlock(&linux_ioctl_sx); 3776 return (0); 3777 } 3778 } 3779 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3780 sx_xunlock(&linux_ioctl_sx); 3781 3782 return (0); 3783 } 3784 3785 int 3786 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3787 { 3788 struct linux_ioctl_handler_element *he; 3789 3790 if (h == NULL || h->func == NULL) 3791 return (EINVAL); 3792 3793 sx_xlock(&linux_ioctl_sx); 3794 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3795 if (he->func == h->func) { 3796 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3797 sx_xunlock(&linux_ioctl_sx); 3798 free(he, M_LINUX); 3799 return (0); 3800 } 3801 } 3802 sx_xunlock(&linux_ioctl_sx); 3803 3804 return (EINVAL); 3805 } 3806 #endif
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