1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 <sys/cdefs.h> 30 #include <sys/param.h> 31 #include <sys/capsicum.h> 32 #include <sys/cdio.h> 33 #include <sys/consio.h> 34 #include <sys/disk.h> 35 #include <sys/dvdio.h> 36 #include <sys/fcntl.h> 37 #include <sys/filio.h> 38 #include <sys/jail.h> 39 #include <sys/kbio.h> 40 #include <sys/kcov.h> 41 #include <sys/kernel.h> 42 #include <sys/linker_set.h> 43 #include <sys/lock.h> 44 #include <sys/malloc.h> 45 #include <sys/mman.h> 46 #include <sys/proc.h> 47 #include <sys/sbuf.h> 48 #include <sys/sockio.h> 49 #include <sys/soundcard.h> 50 #include <sys/syscallsubr.h> 51 #include <sys/sysctl.h> 52 #include <sys/sysproto.h> 53 #include <sys/sx.h> 54 #include <sys/tty.h> 55 56 #include <net/if.h> 57 #include <net/if_var.h> 58 #include <net/if_dl.h> 59 #include <net/if_types.h> 60 61 #include <dev/evdev/input.h> 62 #include <dev/usb/usb_ioctl.h> 63 64 #ifdef COMPAT_LINUX32 65 #include <machine/../linux32/linux.h> 66 #include <machine/../linux32/linux32_proto.h> 67 #else 68 #include <machine/../linux/linux.h> 69 #include <machine/../linux/linux_proto.h> 70 #endif 71 72 #include <compat/linux/linux_common.h> 73 #include <compat/linux/linux_ioctl.h> 74 #include <compat/linux/linux_mib.h> 75 #include <compat/linux/linux_socket.h> 76 #include <compat/linux/linux_time.h> 77 #include <compat/linux/linux_util.h> 78 79 #include <contrib/v4l/videodev.h> 80 #include <compat/linux/linux_videodev_compat.h> 81 82 #include <contrib/v4l/videodev2.h> 83 #include <compat/linux/linux_videodev2_compat.h> 84 85 #include <cam/scsi/scsi_sg.h> 86 87 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \ 88 static linux_ioctl_function_t linux_ioctl_ ## shortname; \ 89 static struct linux_ioctl_handler shortname ## _handler = { \ 90 .func = linux_ioctl_ ## shortname, \ 91 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \ 92 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \ 93 }; \ 94 DATA_SET(linux_ioctl_handler_set, shortname ## _handler) 95 96 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM); 97 DEFINE_LINUX_IOCTL_SET(vfat, VFAT); 98 DEFINE_LINUX_IOCTL_SET(console, CONSOLE); 99 DEFINE_LINUX_IOCTL_SET(hdio, HDIO); 100 DEFINE_LINUX_IOCTL_SET(disk, DISK); 101 DEFINE_LINUX_IOCTL_SET(socket, SOCKET); 102 DEFINE_LINUX_IOCTL_SET(sound, SOUND); 103 DEFINE_LINUX_IOCTL_SET(termio, TERMIO); 104 DEFINE_LINUX_IOCTL_SET(private, PRIVATE); 105 DEFINE_LINUX_IOCTL_SET(drm, DRM); 106 DEFINE_LINUX_IOCTL_SET(sg, SG); 107 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO); 108 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2); 109 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB); 110 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV); 111 DEFINE_LINUX_IOCTL_SET(kcov, KCOV); 112 113 #undef DEFINE_LINUX_IOCTL_SET 114 115 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *); 116 117 /* 118 * Keep sorted by low. 119 */ 120 static struct linux_ioctl_handler linux_ioctls[] = { 121 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 122 .high = LINUX_IOCTL_TERMIO_MAX }, 123 }; 124 125 #ifdef __i386__ 126 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 127 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 128 static struct sx linux_ioctl_sx; 129 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 130 #else 131 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 132 extern struct sx linux_ioctl_sx; 133 #endif 134 #ifdef COMPAT_LINUX32 135 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 136 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 137 #endif 138 139 /* 140 * hdio related ioctls for VMWare support 141 */ 142 143 struct linux_hd_geometry { 144 uint8_t heads; 145 uint8_t sectors; 146 uint16_t cylinders; 147 uint32_t start; 148 }; 149 150 struct linux_hd_big_geometry { 151 uint8_t heads; 152 uint8_t sectors; 153 uint32_t cylinders; 154 uint32_t start; 155 }; 156 157 static int 158 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 159 { 160 struct file *fp; 161 int error; 162 u_int sectorsize, fwcylinders, fwheads, fwsectors; 163 off_t mediasize, bytespercyl; 164 165 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 166 if (error != 0) 167 return (error); 168 switch (args->cmd & 0xffff) { 169 case LINUX_HDIO_GET_GEO: 170 case LINUX_HDIO_GET_GEO_BIG: 171 error = fo_ioctl(fp, DIOCGMEDIASIZE, 172 (caddr_t)&mediasize, td->td_ucred, td); 173 if (!error) 174 error = fo_ioctl(fp, DIOCGSECTORSIZE, 175 (caddr_t)§orsize, td->td_ucred, td); 176 if (!error) 177 error = fo_ioctl(fp, DIOCGFWHEADS, 178 (caddr_t)&fwheads, td->td_ucred, td); 179 if (!error) 180 error = fo_ioctl(fp, DIOCGFWSECTORS, 181 (caddr_t)&fwsectors, td->td_ucred, td); 182 /* 183 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 184 * so pretend that GEOM always says 0. This is NOT VALID 185 * for slices or partitions, only the per-disk raw devices. 186 */ 187 188 fdrop(fp, td); 189 if (error) 190 return (error); 191 /* 192 * 1. Calculate the number of bytes in a cylinder, 193 * given the firmware's notion of heads and sectors 194 * per cylinder. 195 * 2. Calculate the number of cylinders, given the total 196 * size of the media. 197 * All internal calculations should have 64-bit precision. 198 */ 199 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 200 fwcylinders = mediasize / bytespercyl; 201 202 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 203 struct linux_hd_geometry hdg; 204 205 hdg.cylinders = fwcylinders; 206 hdg.heads = fwheads; 207 hdg.sectors = fwsectors; 208 hdg.start = 0; 209 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 210 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 211 struct linux_hd_big_geometry hdbg; 212 213 memset(&hdbg, 0, sizeof(hdbg)); 214 hdbg.cylinders = fwcylinders; 215 hdbg.heads = fwheads; 216 hdbg.sectors = fwsectors; 217 hdbg.start = 0; 218 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 219 } 220 return (error); 221 break; 222 default: 223 /* XXX */ 224 linux_msg(td, 225 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 226 __func__, args->fd, args->cmd, 227 (int)(args->cmd & 0xff00) >> 8, 228 (int)(args->cmd & 0xff)); 229 break; 230 } 231 fdrop(fp, td); 232 return (ENOIOCTL); 233 } 234 235 static int 236 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 237 { 238 struct file *fp; 239 int error; 240 u_int sectorsize, psectorsize; 241 uint64_t blksize64; 242 off_t mediasize, stripesize; 243 244 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 245 if (error != 0) 246 return (error); 247 switch (args->cmd & 0xffff) { 248 case LINUX_BLKGETSIZE: 249 error = fo_ioctl(fp, DIOCGSECTORSIZE, 250 (caddr_t)§orsize, td->td_ucred, td); 251 if (!error) 252 error = fo_ioctl(fp, DIOCGMEDIASIZE, 253 (caddr_t)&mediasize, td->td_ucred, td); 254 fdrop(fp, td); 255 if (error) 256 return (error); 257 sectorsize = mediasize / sectorsize; 258 /* 259 * XXX: How do we know we return the right size of integer ? 260 */ 261 return (copyout(§orsize, (void *)args->arg, 262 sizeof(sectorsize))); 263 break; 264 case LINUX_BLKGETSIZE64: 265 error = fo_ioctl(fp, DIOCGMEDIASIZE, 266 (caddr_t)&mediasize, td->td_ucred, td); 267 fdrop(fp, td); 268 if (error) 269 return (error); 270 blksize64 = mediasize; 271 return (copyout(&blksize64, (void *)args->arg, 272 sizeof(blksize64))); 273 case LINUX_BLKSSZGET: 274 error = fo_ioctl(fp, DIOCGSECTORSIZE, 275 (caddr_t)§orsize, td->td_ucred, td); 276 fdrop(fp, td); 277 if (error) 278 return (error); 279 return (copyout(§orsize, (void *)args->arg, 280 sizeof(sectorsize))); 281 break; 282 case LINUX_BLKPBSZGET: 283 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 284 (caddr_t)&stripesize, td->td_ucred, td); 285 if (error != 0) { 286 fdrop(fp, td); 287 return (error); 288 } 289 if (stripesize > 0 && stripesize <= 4096) { 290 psectorsize = stripesize; 291 } else { 292 error = fo_ioctl(fp, DIOCGSECTORSIZE, 293 (caddr_t)§orsize, td->td_ucred, td); 294 if (error != 0) { 295 fdrop(fp, td); 296 return (error); 297 } 298 psectorsize = sectorsize; 299 } 300 fdrop(fp, td); 301 return (copyout(&psectorsize, (void *)args->arg, 302 sizeof(psectorsize))); 303 } 304 fdrop(fp, td); 305 return (ENOIOCTL); 306 } 307 308 /* 309 * termio related ioctls 310 */ 311 312 struct linux_termio { 313 unsigned short c_iflag; 314 unsigned short c_oflag; 315 unsigned short c_cflag; 316 unsigned short c_lflag; 317 unsigned char c_line; 318 unsigned char c_cc[LINUX_NCC]; 319 }; 320 321 struct linux_termios { 322 unsigned int c_iflag; 323 unsigned int c_oflag; 324 unsigned int c_cflag; 325 unsigned int c_lflag; 326 unsigned char c_line; 327 unsigned char c_cc[LINUX_NCCS]; 328 }; 329 330 struct linux_winsize { 331 unsigned short ws_row, ws_col; 332 unsigned short ws_xpixel, ws_ypixel; 333 }; 334 335 struct speedtab { 336 int sp_speed; /* Speed. */ 337 int sp_code; /* Code. */ 338 }; 339 340 static struct speedtab sptab[] = { 341 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 342 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 343 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 344 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 345 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 346 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 347 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 348 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 349 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 350 {-1, -1 } 351 }; 352 353 struct linux_serial_struct { 354 int type; 355 int line; 356 int port; 357 int irq; 358 int flags; 359 int xmit_fifo_size; 360 int custom_divisor; 361 int baud_base; 362 unsigned short close_delay; 363 char reserved_char[2]; 364 int hub6; 365 unsigned short closing_wait; 366 unsigned short closing_wait2; 367 int reserved[4]; 368 }; 369 370 static int 371 linux_to_bsd_speed(int code, struct speedtab *table) 372 { 373 for ( ; table->sp_code != -1; table++) 374 if (table->sp_code == code) 375 return (table->sp_speed); 376 return (-1); 377 } 378 379 static int 380 bsd_to_linux_speed(int speed, struct speedtab *table) 381 { 382 for ( ; table->sp_speed != -1; table++) 383 if (table->sp_speed == speed) 384 return (table->sp_code); 385 return (-1); 386 } 387 388 static void 389 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 390 { 391 int i; 392 393 lios->c_iflag = 0; 394 if (bios->c_iflag & IGNBRK) 395 lios->c_iflag |= LINUX_IGNBRK; 396 if (bios->c_iflag & BRKINT) 397 lios->c_iflag |= LINUX_BRKINT; 398 if (bios->c_iflag & IGNPAR) 399 lios->c_iflag |= LINUX_IGNPAR; 400 if (bios->c_iflag & PARMRK) 401 lios->c_iflag |= LINUX_PARMRK; 402 if (bios->c_iflag & INPCK) 403 lios->c_iflag |= LINUX_INPCK; 404 if (bios->c_iflag & ISTRIP) 405 lios->c_iflag |= LINUX_ISTRIP; 406 if (bios->c_iflag & INLCR) 407 lios->c_iflag |= LINUX_INLCR; 408 if (bios->c_iflag & IGNCR) 409 lios->c_iflag |= LINUX_IGNCR; 410 if (bios->c_iflag & ICRNL) 411 lios->c_iflag |= LINUX_ICRNL; 412 if (bios->c_iflag & IXON) 413 lios->c_iflag |= LINUX_IXON; 414 if (bios->c_iflag & IXANY) 415 lios->c_iflag |= LINUX_IXANY; 416 if (bios->c_iflag & IXOFF) 417 lios->c_iflag |= LINUX_IXOFF; 418 if (bios->c_iflag & IMAXBEL) 419 lios->c_iflag |= LINUX_IMAXBEL; 420 421 lios->c_oflag = 0; 422 if (bios->c_oflag & OPOST) 423 lios->c_oflag |= LINUX_OPOST; 424 if (bios->c_oflag & ONLCR) 425 lios->c_oflag |= LINUX_ONLCR; 426 if (bios->c_oflag & TAB3) 427 lios->c_oflag |= LINUX_XTABS; 428 429 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 430 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 431 if (bios->c_cflag & CSTOPB) 432 lios->c_cflag |= LINUX_CSTOPB; 433 if (bios->c_cflag & CREAD) 434 lios->c_cflag |= LINUX_CREAD; 435 if (bios->c_cflag & PARENB) 436 lios->c_cflag |= LINUX_PARENB; 437 if (bios->c_cflag & PARODD) 438 lios->c_cflag |= LINUX_PARODD; 439 if (bios->c_cflag & HUPCL) 440 lios->c_cflag |= LINUX_HUPCL; 441 if (bios->c_cflag & CLOCAL) 442 lios->c_cflag |= LINUX_CLOCAL; 443 if (bios->c_cflag & CRTSCTS) 444 lios->c_cflag |= LINUX_CRTSCTS; 445 446 lios->c_lflag = 0; 447 if (bios->c_lflag & ISIG) 448 lios->c_lflag |= LINUX_ISIG; 449 if (bios->c_lflag & ICANON) 450 lios->c_lflag |= LINUX_ICANON; 451 if (bios->c_lflag & ECHO) 452 lios->c_lflag |= LINUX_ECHO; 453 if (bios->c_lflag & ECHOE) 454 lios->c_lflag |= LINUX_ECHOE; 455 if (bios->c_lflag & ECHOK) 456 lios->c_lflag |= LINUX_ECHOK; 457 if (bios->c_lflag & ECHONL) 458 lios->c_lflag |= LINUX_ECHONL; 459 if (bios->c_lflag & NOFLSH) 460 lios->c_lflag |= LINUX_NOFLSH; 461 if (bios->c_lflag & TOSTOP) 462 lios->c_lflag |= LINUX_TOSTOP; 463 if (bios->c_lflag & ECHOCTL) 464 lios->c_lflag |= LINUX_ECHOCTL; 465 if (bios->c_lflag & ECHOPRT) 466 lios->c_lflag |= LINUX_ECHOPRT; 467 if (bios->c_lflag & ECHOKE) 468 lios->c_lflag |= LINUX_ECHOKE; 469 if (bios->c_lflag & FLUSHO) 470 lios->c_lflag |= LINUX_FLUSHO; 471 if (bios->c_lflag & PENDIN) 472 lios->c_lflag |= LINUX_PENDIN; 473 if (bios->c_lflag & IEXTEN) 474 lios->c_lflag |= LINUX_IEXTEN; 475 476 for (i=0; i<LINUX_NCCS; i++) 477 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 478 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 479 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 480 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 481 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 482 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 483 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 484 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 485 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 486 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 487 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 488 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 489 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 490 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 491 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 492 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 493 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 494 if (linux_preserve_vstatus) 495 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 496 497 for (i=0; i<LINUX_NCCS; i++) { 498 if (i != LINUX_VMIN && i != LINUX_VTIME && 499 lios->c_cc[i] == _POSIX_VDISABLE) 500 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 501 } 502 lios->c_line = 0; 503 } 504 505 static void 506 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 507 { 508 int i; 509 510 bios->c_iflag = 0; 511 if (lios->c_iflag & LINUX_IGNBRK) 512 bios->c_iflag |= IGNBRK; 513 if (lios->c_iflag & LINUX_BRKINT) 514 bios->c_iflag |= BRKINT; 515 if (lios->c_iflag & LINUX_IGNPAR) 516 bios->c_iflag |= IGNPAR; 517 if (lios->c_iflag & LINUX_PARMRK) 518 bios->c_iflag |= PARMRK; 519 if (lios->c_iflag & LINUX_INPCK) 520 bios->c_iflag |= INPCK; 521 if (lios->c_iflag & LINUX_ISTRIP) 522 bios->c_iflag |= ISTRIP; 523 if (lios->c_iflag & LINUX_INLCR) 524 bios->c_iflag |= INLCR; 525 if (lios->c_iflag & LINUX_IGNCR) 526 bios->c_iflag |= IGNCR; 527 if (lios->c_iflag & LINUX_ICRNL) 528 bios->c_iflag |= ICRNL; 529 if (lios->c_iflag & LINUX_IXON) 530 bios->c_iflag |= IXON; 531 if (lios->c_iflag & LINUX_IXANY) 532 bios->c_iflag |= IXANY; 533 if (lios->c_iflag & LINUX_IXOFF) 534 bios->c_iflag |= IXOFF; 535 if (lios->c_iflag & LINUX_IMAXBEL) 536 bios->c_iflag |= IMAXBEL; 537 538 bios->c_oflag = 0; 539 if (lios->c_oflag & LINUX_OPOST) 540 bios->c_oflag |= OPOST; 541 if (lios->c_oflag & LINUX_ONLCR) 542 bios->c_oflag |= ONLCR; 543 if (lios->c_oflag & LINUX_XTABS) 544 bios->c_oflag |= TAB3; 545 546 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 547 if (lios->c_cflag & LINUX_CSTOPB) 548 bios->c_cflag |= CSTOPB; 549 if (lios->c_cflag & LINUX_CREAD) 550 bios->c_cflag |= CREAD; 551 if (lios->c_cflag & LINUX_PARENB) 552 bios->c_cflag |= PARENB; 553 if (lios->c_cflag & LINUX_PARODD) 554 bios->c_cflag |= PARODD; 555 if (lios->c_cflag & LINUX_HUPCL) 556 bios->c_cflag |= HUPCL; 557 if (lios->c_cflag & LINUX_CLOCAL) 558 bios->c_cflag |= CLOCAL; 559 if (lios->c_cflag & LINUX_CRTSCTS) 560 bios->c_cflag |= CRTSCTS; 561 562 bios->c_lflag = 0; 563 if (lios->c_lflag & LINUX_ISIG) 564 bios->c_lflag |= ISIG; 565 if (lios->c_lflag & LINUX_ICANON) 566 bios->c_lflag |= ICANON; 567 if (lios->c_lflag & LINUX_ECHO) 568 bios->c_lflag |= ECHO; 569 if (lios->c_lflag & LINUX_ECHOE) 570 bios->c_lflag |= ECHOE; 571 if (lios->c_lflag & LINUX_ECHOK) 572 bios->c_lflag |= ECHOK; 573 if (lios->c_lflag & LINUX_ECHONL) 574 bios->c_lflag |= ECHONL; 575 if (lios->c_lflag & LINUX_NOFLSH) 576 bios->c_lflag |= NOFLSH; 577 if (lios->c_lflag & LINUX_TOSTOP) 578 bios->c_lflag |= TOSTOP; 579 if (lios->c_lflag & LINUX_ECHOCTL) 580 bios->c_lflag |= ECHOCTL; 581 if (lios->c_lflag & LINUX_ECHOPRT) 582 bios->c_lflag |= ECHOPRT; 583 if (lios->c_lflag & LINUX_ECHOKE) 584 bios->c_lflag |= ECHOKE; 585 if (lios->c_lflag & LINUX_FLUSHO) 586 bios->c_lflag |= FLUSHO; 587 if (lios->c_lflag & LINUX_PENDIN) 588 bios->c_lflag |= PENDIN; 589 if (lios->c_lflag & LINUX_IEXTEN) 590 bios->c_lflag |= IEXTEN; 591 592 for (i=0; i<NCCS; i++) 593 bios->c_cc[i] = _POSIX_VDISABLE; 594 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 595 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 596 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 597 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 598 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 599 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 600 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 601 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 602 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 603 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 604 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 605 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 606 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 607 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 608 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 609 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 610 if (linux_preserve_vstatus) 611 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 612 613 for (i=0; i<NCCS; i++) { 614 if (i != VMIN && i != VTIME && 615 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 616 bios->c_cc[i] = _POSIX_VDISABLE; 617 } 618 619 bios->c_ispeed = bios->c_ospeed = 620 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 621 } 622 623 static void 624 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 625 { 626 struct linux_termios lios; 627 628 memset(lio, 0, sizeof(*lio)); 629 bsd_to_linux_termios(bios, &lios); 630 lio->c_iflag = lios.c_iflag; 631 lio->c_oflag = lios.c_oflag; 632 lio->c_cflag = lios.c_cflag; 633 lio->c_lflag = lios.c_lflag; 634 lio->c_line = lios.c_line; 635 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 636 } 637 638 static void 639 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 640 { 641 struct linux_termios lios; 642 int i; 643 644 lios.c_iflag = lio->c_iflag; 645 lios.c_oflag = lio->c_oflag; 646 lios.c_cflag = lio->c_cflag; 647 lios.c_lflag = lio->c_lflag; 648 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 649 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 650 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 651 linux_to_bsd_termios(&lios, bios); 652 } 653 654 static int 655 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 656 { 657 struct termios bios; 658 struct linux_termios lios; 659 struct linux_termio lio; 660 struct file *fp; 661 int error; 662 663 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 664 if (error != 0) 665 return (error); 666 667 switch (args->cmd & 0xffff) { 668 case LINUX_TCGETS: 669 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 670 td); 671 if (error) 672 break; 673 bsd_to_linux_termios(&bios, &lios); 674 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 675 break; 676 677 case LINUX_TCSETS: 678 error = copyin((void *)args->arg, &lios, sizeof(lios)); 679 if (error) 680 break; 681 linux_to_bsd_termios(&lios, &bios); 682 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 683 td)); 684 break; 685 686 case LINUX_TCSETSW: 687 error = copyin((void *)args->arg, &lios, sizeof(lios)); 688 if (error) 689 break; 690 linux_to_bsd_termios(&lios, &bios); 691 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 692 td)); 693 break; 694 695 case LINUX_TCSETSF: 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, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 701 td)); 702 break; 703 704 case LINUX_TCGETA: 705 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 706 td); 707 if (error) 708 break; 709 bsd_to_linux_termio(&bios, &lio); 710 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 711 break; 712 713 case LINUX_TCSETA: 714 error = copyin((void *)args->arg, &lio, sizeof(lio)); 715 if (error) 716 break; 717 linux_to_bsd_termio(&lio, &bios); 718 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 719 td)); 720 break; 721 722 case LINUX_TCSETAW: 723 error = copyin((void *)args->arg, &lio, sizeof(lio)); 724 if (error) 725 break; 726 linux_to_bsd_termio(&lio, &bios); 727 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 728 td)); 729 break; 730 731 case LINUX_TCSETAF: 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, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 737 td)); 738 break; 739 740 case LINUX_TCSBRK: 741 if (args->arg != 0) { 742 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred, 743 td)); 744 } else { 745 linux_msg(td, "ioctl TCSBRK arg 0 not implemented"); 746 error = ENOIOCTL; 747 } 748 break; 749 750 case LINUX_TCXONC: { 751 switch (args->arg) { 752 case LINUX_TCOOFF: 753 args->cmd = TIOCSTOP; 754 break; 755 case LINUX_TCOON: 756 args->cmd = TIOCSTART; 757 break; 758 case LINUX_TCIOFF: 759 case LINUX_TCION: { 760 int c; 761 struct write_args wr; 762 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 763 td->td_ucred, td); 764 if (error) 765 break; 766 fdrop(fp, td); 767 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 768 c = bios.c_cc[c]; 769 if (c != _POSIX_VDISABLE) { 770 wr.fd = args->fd; 771 wr.buf = &c; 772 wr.nbyte = sizeof(c); 773 return (sys_write(td, &wr)); 774 } else 775 return (0); 776 } 777 default: 778 fdrop(fp, td); 779 return (EINVAL); 780 } 781 args->arg = 0; 782 error = (sys_ioctl(td, (struct ioctl_args *)args)); 783 break; 784 } 785 786 case LINUX_TCFLSH: { 787 int val; 788 switch (args->arg) { 789 case LINUX_TCIFLUSH: 790 val = FREAD; 791 break; 792 case LINUX_TCOFLUSH: 793 val = FWRITE; 794 break; 795 case LINUX_TCIOFLUSH: 796 val = FREAD | FWRITE; 797 break; 798 default: 799 fdrop(fp, td); 800 return (EINVAL); 801 } 802 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 803 break; 804 } 805 806 case LINUX_TIOCEXCL: 807 args->cmd = TIOCEXCL; 808 error = (sys_ioctl(td, (struct ioctl_args *)args)); 809 break; 810 811 case LINUX_TIOCNXCL: 812 args->cmd = TIOCNXCL; 813 error = (sys_ioctl(td, (struct ioctl_args *)args)); 814 break; 815 816 case LINUX_TIOCSCTTY: 817 args->cmd = TIOCSCTTY; 818 error = (sys_ioctl(td, (struct ioctl_args *)args)); 819 break; 820 821 case LINUX_TIOCGPGRP: 822 args->cmd = TIOCGPGRP; 823 error = (sys_ioctl(td, (struct ioctl_args *)args)); 824 break; 825 826 case LINUX_TIOCSPGRP: 827 args->cmd = TIOCSPGRP; 828 error = (sys_ioctl(td, (struct ioctl_args *)args)); 829 break; 830 831 /* LINUX_TIOCOUTQ */ 832 /* LINUX_TIOCSTI */ 833 834 case LINUX_TIOCGWINSZ: 835 args->cmd = TIOCGWINSZ; 836 error = (sys_ioctl(td, (struct ioctl_args *)args)); 837 break; 838 839 case LINUX_TIOCSWINSZ: 840 args->cmd = TIOCSWINSZ; 841 error = (sys_ioctl(td, (struct ioctl_args *)args)); 842 break; 843 844 case LINUX_TIOCMGET: 845 args->cmd = TIOCMGET; 846 error = (sys_ioctl(td, (struct ioctl_args *)args)); 847 break; 848 849 case LINUX_TIOCMBIS: 850 args->cmd = TIOCMBIS; 851 error = (sys_ioctl(td, (struct ioctl_args *)args)); 852 break; 853 854 case LINUX_TIOCMBIC: 855 args->cmd = TIOCMBIC; 856 error = (sys_ioctl(td, (struct ioctl_args *)args)); 857 break; 858 859 case LINUX_TIOCMSET: 860 args->cmd = TIOCMSET; 861 error = (sys_ioctl(td, (struct ioctl_args *)args)); 862 break; 863 864 /* TIOCGSOFTCAR */ 865 /* TIOCSSOFTCAR */ 866 867 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 868 args->cmd = FIONREAD; 869 error = (sys_ioctl(td, (struct ioctl_args *)args)); 870 break; 871 872 /* LINUX_TIOCLINUX */ 873 874 case LINUX_TIOCCONS: 875 args->cmd = TIOCCONS; 876 error = (sys_ioctl(td, (struct ioctl_args *)args)); 877 break; 878 879 case LINUX_TIOCGSERIAL: { 880 struct linux_serial_struct lss; 881 882 bzero(&lss, sizeof(lss)); 883 lss.type = LINUX_PORT_16550A; 884 lss.flags = 0; 885 lss.close_delay = 0; 886 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 887 break; 888 } 889 890 case LINUX_TIOCSSERIAL: { 891 struct linux_serial_struct lss; 892 error = copyin((void *)args->arg, &lss, sizeof(lss)); 893 if (error) 894 break; 895 /* XXX - It really helps to have an implementation that 896 * does nothing. NOT! 897 */ 898 error = 0; 899 break; 900 } 901 902 case LINUX_TIOCPKT: 903 args->cmd = TIOCPKT; 904 error = (sys_ioctl(td, (struct ioctl_args *)args)); 905 break; 906 907 case LINUX_FIONBIO: 908 args->cmd = FIONBIO; 909 error = (sys_ioctl(td, (struct ioctl_args *)args)); 910 break; 911 912 case LINUX_TIOCNOTTY: 913 args->cmd = TIOCNOTTY; 914 error = (sys_ioctl(td, (struct ioctl_args *)args)); 915 break; 916 917 case LINUX_TIOCSETD: { 918 int line; 919 switch (args->arg) { 920 case LINUX_N_TTY: 921 line = TTYDISC; 922 break; 923 case LINUX_N_SLIP: 924 line = SLIPDISC; 925 break; 926 case LINUX_N_PPP: 927 line = PPPDISC; 928 break; 929 default: 930 fdrop(fp, td); 931 return (EINVAL); 932 } 933 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 934 td)); 935 break; 936 } 937 938 case LINUX_TIOCGETD: { 939 int linux_line; 940 int bsd_line = TTYDISC; 941 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 942 td->td_ucred, td); 943 if (error) 944 break; 945 switch (bsd_line) { 946 case TTYDISC: 947 linux_line = LINUX_N_TTY; 948 break; 949 case SLIPDISC: 950 linux_line = LINUX_N_SLIP; 951 break; 952 case PPPDISC: 953 linux_line = LINUX_N_PPP; 954 break; 955 default: 956 fdrop(fp, td); 957 return (EINVAL); 958 } 959 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 960 break; 961 } 962 963 /* LINUX_TCSBRKP */ 964 /* LINUX_TIOCTTYGSTRUCT */ 965 966 case LINUX_FIONCLEX: 967 args->cmd = FIONCLEX; 968 error = (sys_ioctl(td, (struct ioctl_args *)args)); 969 break; 970 971 case LINUX_FIOCLEX: 972 args->cmd = FIOCLEX; 973 error = (sys_ioctl(td, (struct ioctl_args *)args)); 974 break; 975 976 case LINUX_FIOASYNC: 977 args->cmd = FIOASYNC; 978 error = (sys_ioctl(td, (struct ioctl_args *)args)); 979 break; 980 981 /* LINUX_TIOCSERCONFIG */ 982 /* LINUX_TIOCSERGWILD */ 983 /* LINUX_TIOCSERSWILD */ 984 /* LINUX_TIOCGLCKTRMIOS */ 985 /* LINUX_TIOCSLCKTRMIOS */ 986 987 case LINUX_TIOCSBRK: 988 args->cmd = TIOCSBRK; 989 error = (sys_ioctl(td, (struct ioctl_args *)args)); 990 break; 991 992 case LINUX_TIOCCBRK: 993 args->cmd = TIOCCBRK; 994 error = (sys_ioctl(td, (struct ioctl_args *)args)); 995 break; 996 case LINUX_TIOCGPTN: { 997 int nb; 998 999 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1000 if (!error) 1001 error = copyout(&nb, (void *)args->arg, 1002 sizeof(int)); 1003 break; 1004 } 1005 case LINUX_TIOCGPTPEER: 1006 linux_msg(td, "unsupported ioctl TIOCGPTPEER"); 1007 error = ENOIOCTL; 1008 break; 1009 case LINUX_TIOCSPTLCK: 1010 /* 1011 * Our unlockpt() does nothing. Check that fd refers 1012 * to a pseudo-terminal master device. 1013 */ 1014 args->cmd = TIOCPTMASTER; 1015 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1016 break; 1017 default: 1018 error = ENOIOCTL; 1019 break; 1020 } 1021 1022 fdrop(fp, td); 1023 return (error); 1024 } 1025 1026 /* 1027 * CDROM related ioctls 1028 */ 1029 1030 struct linux_cdrom_msf 1031 { 1032 u_char cdmsf_min0; 1033 u_char cdmsf_sec0; 1034 u_char cdmsf_frame0; 1035 u_char cdmsf_min1; 1036 u_char cdmsf_sec1; 1037 u_char cdmsf_frame1; 1038 }; 1039 1040 struct linux_cdrom_tochdr 1041 { 1042 u_char cdth_trk0; 1043 u_char cdth_trk1; 1044 }; 1045 1046 union linux_cdrom_addr 1047 { 1048 struct { 1049 u_char minute; 1050 u_char second; 1051 u_char frame; 1052 } msf; 1053 int lba; 1054 }; 1055 1056 struct linux_cdrom_tocentry 1057 { 1058 u_char cdte_track; 1059 u_char cdte_adr:4; 1060 u_char cdte_ctrl:4; 1061 u_char cdte_format; 1062 union linux_cdrom_addr cdte_addr; 1063 u_char cdte_datamode; 1064 }; 1065 1066 struct linux_cdrom_subchnl 1067 { 1068 u_char cdsc_format; 1069 u_char cdsc_audiostatus; 1070 u_char cdsc_adr:4; 1071 u_char cdsc_ctrl:4; 1072 u_char cdsc_trk; 1073 u_char cdsc_ind; 1074 union linux_cdrom_addr cdsc_absaddr; 1075 union linux_cdrom_addr cdsc_reladdr; 1076 }; 1077 1078 struct l_cdrom_read_audio { 1079 union linux_cdrom_addr addr; 1080 u_char addr_format; 1081 l_int nframes; 1082 u_char *buf; 1083 }; 1084 1085 struct l_dvd_layer { 1086 u_char book_version:4; 1087 u_char book_type:4; 1088 u_char min_rate:4; 1089 u_char disc_size:4; 1090 u_char layer_type:4; 1091 u_char track_path:1; 1092 u_char nlayers:2; 1093 u_char track_density:4; 1094 u_char linear_density:4; 1095 u_char bca:1; 1096 uint32_t start_sector; 1097 uint32_t end_sector; 1098 uint32_t end_sector_l0; 1099 }; 1100 1101 struct l_dvd_physical { 1102 u_char type; 1103 u_char layer_num; 1104 struct l_dvd_layer layer[4]; 1105 }; 1106 1107 struct l_dvd_copyright { 1108 u_char type; 1109 u_char layer_num; 1110 u_char cpst; 1111 u_char rmi; 1112 }; 1113 1114 struct l_dvd_disckey { 1115 u_char type; 1116 l_uint agid:2; 1117 u_char value[2048]; 1118 }; 1119 1120 struct l_dvd_bca { 1121 u_char type; 1122 l_int len; 1123 u_char value[188]; 1124 }; 1125 1126 struct l_dvd_manufact { 1127 u_char type; 1128 u_char layer_num; 1129 l_int len; 1130 u_char value[2048]; 1131 }; 1132 1133 typedef union { 1134 u_char type; 1135 struct l_dvd_physical physical; 1136 struct l_dvd_copyright copyright; 1137 struct l_dvd_disckey disckey; 1138 struct l_dvd_bca bca; 1139 struct l_dvd_manufact manufact; 1140 } l_dvd_struct; 1141 1142 typedef u_char l_dvd_key[5]; 1143 typedef u_char l_dvd_challenge[10]; 1144 1145 struct l_dvd_lu_send_agid { 1146 u_char type; 1147 l_uint agid:2; 1148 }; 1149 1150 struct l_dvd_host_send_challenge { 1151 u_char type; 1152 l_uint agid:2; 1153 l_dvd_challenge chal; 1154 }; 1155 1156 struct l_dvd_send_key { 1157 u_char type; 1158 l_uint agid:2; 1159 l_dvd_key key; 1160 }; 1161 1162 struct l_dvd_lu_send_challenge { 1163 u_char type; 1164 l_uint agid:2; 1165 l_dvd_challenge chal; 1166 }; 1167 1168 struct l_dvd_lu_send_title_key { 1169 u_char type; 1170 l_uint agid:2; 1171 l_dvd_key title_key; 1172 l_int lba; 1173 l_uint cpm:1; 1174 l_uint cp_sec:1; 1175 l_uint cgms:2; 1176 }; 1177 1178 struct l_dvd_lu_send_asf { 1179 u_char type; 1180 l_uint agid:2; 1181 l_uint asf:1; 1182 }; 1183 1184 struct l_dvd_host_send_rpcstate { 1185 u_char type; 1186 u_char pdrc; 1187 }; 1188 1189 struct l_dvd_lu_send_rpcstate { 1190 u_char type:2; 1191 u_char vra:3; 1192 u_char ucca:3; 1193 u_char region_mask; 1194 u_char rpc_scheme; 1195 }; 1196 1197 typedef union { 1198 u_char type; 1199 struct l_dvd_lu_send_agid lsa; 1200 struct l_dvd_host_send_challenge hsc; 1201 struct l_dvd_send_key lsk; 1202 struct l_dvd_lu_send_challenge lsc; 1203 struct l_dvd_send_key hsk; 1204 struct l_dvd_lu_send_title_key lstk; 1205 struct l_dvd_lu_send_asf lsasf; 1206 struct l_dvd_host_send_rpcstate hrpcs; 1207 struct l_dvd_lu_send_rpcstate lrpcs; 1208 } l_dvd_authinfo; 1209 1210 static void 1211 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1212 { 1213 if (af == CD_LBA_FORMAT) 1214 lp->lba = bp->lba; 1215 else { 1216 lp->msf.minute = bp->msf.minute; 1217 lp->msf.second = bp->msf.second; 1218 lp->msf.frame = bp->msf.frame; 1219 } 1220 } 1221 1222 static void 1223 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1224 { 1225 if (format == LINUX_CDROM_MSF) { 1226 addr->msf.frame = lba % 75; 1227 lba /= 75; 1228 lba += 2; 1229 addr->msf.second = lba % 60; 1230 addr->msf.minute = lba / 60; 1231 } else 1232 addr->lba = lba; 1233 } 1234 1235 static int 1236 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1237 { 1238 bp->format = lp->type; 1239 switch (bp->format) { 1240 case DVD_STRUCT_PHYSICAL: 1241 if (bp->layer_num >= 4) 1242 return (EINVAL); 1243 bp->layer_num = lp->physical.layer_num; 1244 break; 1245 case DVD_STRUCT_COPYRIGHT: 1246 bp->layer_num = lp->copyright.layer_num; 1247 break; 1248 case DVD_STRUCT_DISCKEY: 1249 bp->agid = lp->disckey.agid; 1250 break; 1251 case DVD_STRUCT_BCA: 1252 case DVD_STRUCT_MANUFACT: 1253 break; 1254 default: 1255 return (EINVAL); 1256 } 1257 return (0); 1258 } 1259 1260 static int 1261 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1262 { 1263 switch (bp->format) { 1264 case DVD_STRUCT_PHYSICAL: { 1265 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1266 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1267 memset(llp, 0, sizeof(*llp)); 1268 llp->book_version = blp->book_version; 1269 llp->book_type = blp->book_type; 1270 llp->min_rate = blp->max_rate; 1271 llp->disc_size = blp->disc_size; 1272 llp->layer_type = blp->layer_type; 1273 llp->track_path = blp->track_path; 1274 llp->nlayers = blp->nlayers; 1275 llp->track_density = blp->track_density; 1276 llp->linear_density = blp->linear_density; 1277 llp->bca = blp->bca; 1278 llp->start_sector = blp->start_sector; 1279 llp->end_sector = blp->end_sector; 1280 llp->end_sector_l0 = blp->end_sector_l0; 1281 break; 1282 } 1283 case DVD_STRUCT_COPYRIGHT: 1284 lp->copyright.cpst = bp->cpst; 1285 lp->copyright.rmi = bp->rmi; 1286 break; 1287 case DVD_STRUCT_DISCKEY: 1288 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1289 break; 1290 case DVD_STRUCT_BCA: 1291 lp->bca.len = bp->length; 1292 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1293 break; 1294 case DVD_STRUCT_MANUFACT: 1295 lp->manufact.len = bp->length; 1296 memcpy(lp->manufact.value, bp->data, 1297 sizeof(lp->manufact.value)); 1298 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1299 break; 1300 default: 1301 return (EINVAL); 1302 } 1303 return (0); 1304 } 1305 1306 static int 1307 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1308 struct dvd_authinfo *bp) 1309 { 1310 switch (lp->type) { 1311 case LINUX_DVD_LU_SEND_AGID: 1312 *bcode = DVDIOCREPORTKEY; 1313 bp->format = DVD_REPORT_AGID; 1314 bp->agid = lp->lsa.agid; 1315 break; 1316 case LINUX_DVD_HOST_SEND_CHALLENGE: 1317 *bcode = DVDIOCSENDKEY; 1318 bp->format = DVD_SEND_CHALLENGE; 1319 bp->agid = lp->hsc.agid; 1320 memcpy(bp->keychal, lp->hsc.chal, 10); 1321 break; 1322 case LINUX_DVD_LU_SEND_KEY1: 1323 *bcode = DVDIOCREPORTKEY; 1324 bp->format = DVD_REPORT_KEY1; 1325 bp->agid = lp->lsk.agid; 1326 break; 1327 case LINUX_DVD_LU_SEND_CHALLENGE: 1328 *bcode = DVDIOCREPORTKEY; 1329 bp->format = DVD_REPORT_CHALLENGE; 1330 bp->agid = lp->lsc.agid; 1331 break; 1332 case LINUX_DVD_HOST_SEND_KEY2: 1333 *bcode = DVDIOCSENDKEY; 1334 bp->format = DVD_SEND_KEY2; 1335 bp->agid = lp->hsk.agid; 1336 memcpy(bp->keychal, lp->hsk.key, 5); 1337 break; 1338 case LINUX_DVD_LU_SEND_TITLE_KEY: 1339 *bcode = DVDIOCREPORTKEY; 1340 bp->format = DVD_REPORT_TITLE_KEY; 1341 bp->agid = lp->lstk.agid; 1342 bp->lba = lp->lstk.lba; 1343 break; 1344 case LINUX_DVD_LU_SEND_ASF: 1345 *bcode = DVDIOCREPORTKEY; 1346 bp->format = DVD_REPORT_ASF; 1347 bp->agid = lp->lsasf.agid; 1348 break; 1349 case LINUX_DVD_INVALIDATE_AGID: 1350 *bcode = DVDIOCREPORTKEY; 1351 bp->format = DVD_INVALIDATE_AGID; 1352 bp->agid = lp->lsa.agid; 1353 break; 1354 case LINUX_DVD_LU_SEND_RPC_STATE: 1355 *bcode = DVDIOCREPORTKEY; 1356 bp->format = DVD_REPORT_RPC; 1357 break; 1358 case LINUX_DVD_HOST_SEND_RPC_STATE: 1359 *bcode = DVDIOCSENDKEY; 1360 bp->format = DVD_SEND_RPC; 1361 bp->region = lp->hrpcs.pdrc; 1362 break; 1363 default: 1364 return (EINVAL); 1365 } 1366 return (0); 1367 } 1368 1369 static int 1370 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1371 { 1372 switch (lp->type) { 1373 case LINUX_DVD_LU_SEND_AGID: 1374 lp->lsa.agid = bp->agid; 1375 break; 1376 case LINUX_DVD_HOST_SEND_CHALLENGE: 1377 lp->type = LINUX_DVD_LU_SEND_KEY1; 1378 break; 1379 case LINUX_DVD_LU_SEND_KEY1: 1380 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1381 break; 1382 case LINUX_DVD_LU_SEND_CHALLENGE: 1383 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1384 break; 1385 case LINUX_DVD_HOST_SEND_KEY2: 1386 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1387 break; 1388 case LINUX_DVD_LU_SEND_TITLE_KEY: 1389 memcpy(lp->lstk.title_key, bp->keychal, 1390 sizeof(lp->lstk.title_key)); 1391 lp->lstk.cpm = bp->cpm; 1392 lp->lstk.cp_sec = bp->cp_sec; 1393 lp->lstk.cgms = bp->cgms; 1394 break; 1395 case LINUX_DVD_LU_SEND_ASF: 1396 lp->lsasf.asf = bp->asf; 1397 break; 1398 case LINUX_DVD_INVALIDATE_AGID: 1399 break; 1400 case LINUX_DVD_LU_SEND_RPC_STATE: 1401 lp->lrpcs.type = bp->reg_type; 1402 lp->lrpcs.vra = bp->vend_rsts; 1403 lp->lrpcs.ucca = bp->user_rsts; 1404 lp->lrpcs.region_mask = bp->region; 1405 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1406 break; 1407 case LINUX_DVD_HOST_SEND_RPC_STATE: 1408 break; 1409 default: 1410 return (EINVAL); 1411 } 1412 return (0); 1413 } 1414 1415 static int 1416 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1417 { 1418 struct file *fp; 1419 int error; 1420 1421 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1422 if (error != 0) 1423 return (error); 1424 switch (args->cmd & 0xffff) { 1425 case LINUX_CDROMPAUSE: 1426 args->cmd = CDIOCPAUSE; 1427 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1428 break; 1429 1430 case LINUX_CDROMRESUME: 1431 args->cmd = CDIOCRESUME; 1432 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1433 break; 1434 1435 case LINUX_CDROMPLAYMSF: 1436 args->cmd = CDIOCPLAYMSF; 1437 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1438 break; 1439 1440 case LINUX_CDROMPLAYTRKIND: 1441 args->cmd = CDIOCPLAYTRACKS; 1442 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1443 break; 1444 1445 case LINUX_CDROMREADTOCHDR: { 1446 struct ioc_toc_header th; 1447 struct linux_cdrom_tochdr lth; 1448 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1449 td->td_ucred, td); 1450 if (!error) { 1451 lth.cdth_trk0 = th.starting_track; 1452 lth.cdth_trk1 = th.ending_track; 1453 copyout(<h, (void *)args->arg, sizeof(lth)); 1454 } 1455 break; 1456 } 1457 1458 case LINUX_CDROMREADTOCENTRY: { 1459 struct linux_cdrom_tocentry lte; 1460 struct ioc_read_toc_single_entry irtse; 1461 1462 error = copyin((void *)args->arg, <e, sizeof(lte)); 1463 if (error) 1464 break; 1465 irtse.address_format = lte.cdte_format; 1466 irtse.track = lte.cdte_track; 1467 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1468 td->td_ucred, td); 1469 if (!error) { 1470 lte.cdte_ctrl = irtse.entry.control; 1471 lte.cdte_adr = irtse.entry.addr_type; 1472 bsd_to_linux_msf_lba(irtse.address_format, 1473 &irtse.entry.addr, <e.cdte_addr); 1474 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1475 } 1476 break; 1477 } 1478 1479 case LINUX_CDROMSTOP: 1480 args->cmd = CDIOCSTOP; 1481 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1482 break; 1483 1484 case LINUX_CDROMSTART: 1485 args->cmd = CDIOCSTART; 1486 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1487 break; 1488 1489 case LINUX_CDROMEJECT: 1490 args->cmd = CDIOCEJECT; 1491 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1492 break; 1493 1494 /* LINUX_CDROMVOLCTRL */ 1495 1496 case LINUX_CDROMSUBCHNL: { 1497 struct linux_cdrom_subchnl sc; 1498 struct ioc_read_subchannel bsdsc; 1499 struct cd_sub_channel_info bsdinfo; 1500 1501 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1502 if (error) 1503 break; 1504 1505 /* 1506 * Invoke the native ioctl and bounce the returned data through 1507 * the userspace buffer. This works because the Linux structure 1508 * is the same size as our structures for the subchannel header 1509 * and position data. 1510 */ 1511 bsdsc.address_format = CD_LBA_FORMAT; 1512 bsdsc.data_format = CD_CURRENT_POSITION; 1513 bsdsc.track = 0; 1514 bsdsc.data_len = sizeof(sc); 1515 bsdsc.data = (void *)args->arg; 1516 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1517 td->td_ucred, td); 1518 if (error) 1519 break; 1520 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1521 if (error) 1522 break; 1523 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1524 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1525 sc.cdsc_ctrl = bsdinfo.what.position.control; 1526 sc.cdsc_trk = bsdinfo.what.position.track_number; 1527 sc.cdsc_ind = bsdinfo.what.position.index_number; 1528 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1529 bsdinfo.what.position.absaddr.lba); 1530 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1531 bsdinfo.what.position.reladdr.lba); 1532 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1533 break; 1534 } 1535 1536 /* LINUX_CDROMREADMODE2 */ 1537 /* LINUX_CDROMREADMODE1 */ 1538 /* LINUX_CDROMREADAUDIO */ 1539 /* LINUX_CDROMEJECT_SW */ 1540 /* LINUX_CDROMMULTISESSION */ 1541 /* LINUX_CDROM_GET_UPC */ 1542 1543 case LINUX_CDROMRESET: 1544 args->cmd = CDIOCRESET; 1545 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1546 break; 1547 1548 /* LINUX_CDROMVOLREAD */ 1549 /* LINUX_CDROMREADRAW */ 1550 /* LINUX_CDROMREADCOOKED */ 1551 /* LINUX_CDROMSEEK */ 1552 /* LINUX_CDROMPLAYBLK */ 1553 /* LINUX_CDROMREADALL */ 1554 /* LINUX_CDROMCLOSETRAY */ 1555 /* LINUX_CDROMLOADFROMSLOT */ 1556 /* LINUX_CDROMGETSPINDOWN */ 1557 /* LINUX_CDROMSETSPINDOWN */ 1558 /* LINUX_CDROM_SET_OPTIONS */ 1559 /* LINUX_CDROM_CLEAR_OPTIONS */ 1560 /* LINUX_CDROM_SELECT_SPEED */ 1561 /* LINUX_CDROM_SELECT_DISC */ 1562 /* LINUX_CDROM_MEDIA_CHANGED */ 1563 /* LINUX_CDROM_DRIVE_STATUS */ 1564 /* LINUX_CDROM_DISC_STATUS */ 1565 /* LINUX_CDROM_CHANGER_NSLOTS */ 1566 /* LINUX_CDROM_LOCKDOOR */ 1567 /* LINUX_CDROM_DEBUG */ 1568 /* LINUX_CDROM_GET_CAPABILITY */ 1569 /* LINUX_CDROMAUDIOBUFSIZ */ 1570 1571 case LINUX_DVD_READ_STRUCT: { 1572 l_dvd_struct *lds; 1573 struct dvd_struct *bds; 1574 1575 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1576 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1577 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1578 if (error) 1579 goto out; 1580 error = linux_to_bsd_dvd_struct(lds, bds); 1581 if (error) 1582 goto out; 1583 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1584 td->td_ucred, td); 1585 if (error) 1586 goto out; 1587 error = bsd_to_linux_dvd_struct(bds, lds); 1588 if (error) 1589 goto out; 1590 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1591 out: 1592 free(bds, M_LINUX); 1593 free(lds, M_LINUX); 1594 break; 1595 } 1596 1597 /* LINUX_DVD_WRITE_STRUCT */ 1598 1599 case LINUX_DVD_AUTH: { 1600 l_dvd_authinfo lda; 1601 struct dvd_authinfo bda; 1602 int bcode; 1603 1604 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1605 if (error) 1606 break; 1607 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1608 if (error) 1609 break; 1610 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1611 td); 1612 if (error) { 1613 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1614 lda.type = LINUX_DVD_AUTH_FAILURE; 1615 copyout(&lda, (void *)args->arg, sizeof(lda)); 1616 } 1617 break; 1618 } 1619 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1620 if (error) 1621 break; 1622 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1623 break; 1624 } 1625 1626 case LINUX_SCSI_GET_BUS_NUMBER: 1627 { 1628 struct sg_scsi_id id; 1629 1630 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1631 td->td_ucred, td); 1632 if (error) 1633 break; 1634 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1635 break; 1636 } 1637 1638 case LINUX_SCSI_GET_IDLUN: 1639 { 1640 struct sg_scsi_id id; 1641 struct scsi_idlun idl; 1642 1643 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1644 td->td_ucred, td); 1645 if (error) 1646 break; 1647 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1648 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1649 idl.host_unique_id = id.host_no; 1650 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1651 break; 1652 } 1653 1654 /* LINUX_CDROM_SEND_PACKET */ 1655 /* LINUX_CDROM_NEXT_WRITABLE */ 1656 /* LINUX_CDROM_LAST_WRITTEN */ 1657 1658 default: 1659 error = ENOIOCTL; 1660 break; 1661 } 1662 1663 fdrop(fp, td); 1664 return (error); 1665 } 1666 1667 static int 1668 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1669 { 1670 1671 return (ENOTTY); 1672 } 1673 1674 /* 1675 * Sound related ioctls 1676 */ 1677 1678 struct linux_old_mixer_info { 1679 char id[16]; 1680 char name[32]; 1681 }; 1682 1683 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1684 1685 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1686 1687 static int 1688 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1689 { 1690 1691 switch (args->cmd & 0xffff) { 1692 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1693 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1694 return (sys_ioctl(td, (struct ioctl_args *)args)); 1695 1696 case LINUX_SOUND_MIXER_WRITE_BASS: 1697 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1698 return (sys_ioctl(td, (struct ioctl_args *)args)); 1699 1700 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1701 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1702 return (sys_ioctl(td, (struct ioctl_args *)args)); 1703 1704 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1705 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1706 return (sys_ioctl(td, (struct ioctl_args *)args)); 1707 1708 case LINUX_SOUND_MIXER_WRITE_PCM: 1709 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1710 return (sys_ioctl(td, (struct ioctl_args *)args)); 1711 1712 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1713 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1714 return (sys_ioctl(td, (struct ioctl_args *)args)); 1715 1716 case LINUX_SOUND_MIXER_WRITE_LINE: 1717 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1718 return (sys_ioctl(td, (struct ioctl_args *)args)); 1719 1720 case LINUX_SOUND_MIXER_WRITE_MIC: 1721 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1722 return (sys_ioctl(td, (struct ioctl_args *)args)); 1723 1724 case LINUX_SOUND_MIXER_WRITE_CD: 1725 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1726 return (sys_ioctl(td, (struct ioctl_args *)args)); 1727 1728 case LINUX_SOUND_MIXER_WRITE_IMIX: 1729 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1730 return (sys_ioctl(td, (struct ioctl_args *)args)); 1731 1732 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1733 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1734 return (sys_ioctl(td, (struct ioctl_args *)args)); 1735 1736 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1737 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1738 return (sys_ioctl(td, (struct ioctl_args *)args)); 1739 1740 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1741 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1742 return (sys_ioctl(td, (struct ioctl_args *)args)); 1743 1744 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1745 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1746 return (sys_ioctl(td, (struct ioctl_args *)args)); 1747 1748 case LINUX_SOUND_MIXER_WRITE_LINE1: 1749 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1750 return (sys_ioctl(td, (struct ioctl_args *)args)); 1751 1752 case LINUX_SOUND_MIXER_WRITE_LINE2: 1753 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1754 return (sys_ioctl(td, (struct ioctl_args *)args)); 1755 1756 case LINUX_SOUND_MIXER_WRITE_LINE3: 1757 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1758 return (sys_ioctl(td, (struct ioctl_args *)args)); 1759 1760 case LINUX_SOUND_MIXER_WRITE_MONITOR: 1761 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR); 1762 return (sys_ioctl(td, (struct ioctl_args *)args)); 1763 1764 case LINUX_SOUND_MIXER_INFO: { 1765 /* Key on encoded length */ 1766 switch ((args->cmd >> 16) & 0x1fff) { 1767 case 0x005c: { /* SOUND_MIXER_INFO */ 1768 args->cmd = SOUND_MIXER_INFO; 1769 return (sys_ioctl(td, (struct ioctl_args *)args)); 1770 } 1771 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1772 struct linux_old_mixer_info info; 1773 bzero(&info, sizeof(info)); 1774 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1775 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1776 copyout(&info, (void *)args->arg, sizeof(info)); 1777 return (0); 1778 } 1779 default: 1780 return (ENOIOCTL); 1781 } 1782 break; 1783 } 1784 1785 case LINUX_OSS_GETVERSION: { 1786 int version = linux_get_oss_version(td); 1787 return (copyout(&version, (void *)args->arg, sizeof(int))); 1788 } 1789 1790 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1791 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1792 return (sys_ioctl(td, (struct ioctl_args *)args)); 1793 1794 case LINUX_SOUND_MIXER_READ_CAPS: 1795 args->cmd = SOUND_MIXER_READ_CAPS; 1796 return (sys_ioctl(td, (struct ioctl_args *)args)); 1797 1798 case LINUX_SOUND_MIXER_READ_RECMASK: 1799 args->cmd = SOUND_MIXER_READ_RECMASK; 1800 return (sys_ioctl(td, (struct ioctl_args *)args)); 1801 1802 case LINUX_SOUND_MIXER_READ_DEVMASK: 1803 args->cmd = SOUND_MIXER_READ_DEVMASK; 1804 return (sys_ioctl(td, (struct ioctl_args *)args)); 1805 1806 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1807 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1808 return (sys_ioctl(td, (struct ioctl_args *)args)); 1809 1810 case LINUX_SNDCTL_DSP_RESET: 1811 args->cmd = SNDCTL_DSP_RESET; 1812 return (sys_ioctl(td, (struct ioctl_args *)args)); 1813 1814 case LINUX_SNDCTL_DSP_SYNC: 1815 args->cmd = SNDCTL_DSP_SYNC; 1816 return (sys_ioctl(td, (struct ioctl_args *)args)); 1817 1818 case LINUX_SNDCTL_DSP_SPEED: 1819 args->cmd = SNDCTL_DSP_SPEED; 1820 return (sys_ioctl(td, (struct ioctl_args *)args)); 1821 1822 case LINUX_SNDCTL_DSP_STEREO: 1823 args->cmd = SNDCTL_DSP_STEREO; 1824 return (sys_ioctl(td, (struct ioctl_args *)args)); 1825 1826 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1827 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1828 return (sys_ioctl(td, (struct ioctl_args *)args)); 1829 1830 case LINUX_SNDCTL_DSP_SETFMT: 1831 args->cmd = SNDCTL_DSP_SETFMT; 1832 return (sys_ioctl(td, (struct ioctl_args *)args)); 1833 1834 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1835 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1836 return (sys_ioctl(td, (struct ioctl_args *)args)); 1837 1838 case LINUX_SOUND_PCM_WRITE_FILTER: 1839 args->cmd = SOUND_PCM_WRITE_FILTER; 1840 return (sys_ioctl(td, (struct ioctl_args *)args)); 1841 1842 case LINUX_SNDCTL_DSP_POST: 1843 args->cmd = SNDCTL_DSP_POST; 1844 return (sys_ioctl(td, (struct ioctl_args *)args)); 1845 1846 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1847 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1848 return (sys_ioctl(td, (struct ioctl_args *)args)); 1849 1850 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1851 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1852 return (sys_ioctl(td, (struct ioctl_args *)args)); 1853 1854 case LINUX_SNDCTL_DSP_GETFMTS: 1855 args->cmd = SNDCTL_DSP_GETFMTS; 1856 return (sys_ioctl(td, (struct ioctl_args *)args)); 1857 1858 case LINUX_SNDCTL_DSP_GETOSPACE: 1859 args->cmd = SNDCTL_DSP_GETOSPACE; 1860 return (sys_ioctl(td, (struct ioctl_args *)args)); 1861 1862 case LINUX_SNDCTL_DSP_GETISPACE: 1863 args->cmd = SNDCTL_DSP_GETISPACE; 1864 return (sys_ioctl(td, (struct ioctl_args *)args)); 1865 1866 case LINUX_SNDCTL_DSP_NONBLOCK: 1867 args->cmd = SNDCTL_DSP_NONBLOCK; 1868 return (sys_ioctl(td, (struct ioctl_args *)args)); 1869 1870 case LINUX_SNDCTL_DSP_GETCAPS: 1871 args->cmd = SNDCTL_DSP_GETCAPS; 1872 return (sys_ioctl(td, (struct ioctl_args *)args)); 1873 1874 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1875 args->cmd = SNDCTL_DSP_SETTRIGGER; 1876 return (sys_ioctl(td, (struct ioctl_args *)args)); 1877 1878 case LINUX_SNDCTL_DSP_GETIPTR: 1879 args->cmd = SNDCTL_DSP_GETIPTR; 1880 return (sys_ioctl(td, (struct ioctl_args *)args)); 1881 1882 case LINUX_SNDCTL_DSP_GETOPTR: 1883 args->cmd = SNDCTL_DSP_GETOPTR; 1884 return (sys_ioctl(td, (struct ioctl_args *)args)); 1885 1886 case LINUX_SNDCTL_DSP_SETDUPLEX: 1887 args->cmd = SNDCTL_DSP_SETDUPLEX; 1888 return (sys_ioctl(td, (struct ioctl_args *)args)); 1889 1890 case LINUX_SNDCTL_DSP_GETODELAY: 1891 args->cmd = SNDCTL_DSP_GETODELAY; 1892 return (sys_ioctl(td, (struct ioctl_args *)args)); 1893 1894 case LINUX_SNDCTL_SEQ_RESET: 1895 args->cmd = SNDCTL_SEQ_RESET; 1896 return (sys_ioctl(td, (struct ioctl_args *)args)); 1897 1898 case LINUX_SNDCTL_SEQ_SYNC: 1899 args->cmd = SNDCTL_SEQ_SYNC; 1900 return (sys_ioctl(td, (struct ioctl_args *)args)); 1901 1902 case LINUX_SNDCTL_SYNTH_INFO: 1903 args->cmd = SNDCTL_SYNTH_INFO; 1904 return (sys_ioctl(td, (struct ioctl_args *)args)); 1905 1906 case LINUX_SNDCTL_SEQ_CTRLRATE: 1907 args->cmd = SNDCTL_SEQ_CTRLRATE; 1908 return (sys_ioctl(td, (struct ioctl_args *)args)); 1909 1910 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1911 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1912 return (sys_ioctl(td, (struct ioctl_args *)args)); 1913 1914 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1915 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1916 return (sys_ioctl(td, (struct ioctl_args *)args)); 1917 1918 case LINUX_SNDCTL_SEQ_PERCMODE: 1919 args->cmd = SNDCTL_SEQ_PERCMODE; 1920 return (sys_ioctl(td, (struct ioctl_args *)args)); 1921 1922 case LINUX_SNDCTL_FM_LOAD_INSTR: 1923 args->cmd = SNDCTL_FM_LOAD_INSTR; 1924 return (sys_ioctl(td, (struct ioctl_args *)args)); 1925 1926 case LINUX_SNDCTL_SEQ_TESTMIDI: 1927 args->cmd = SNDCTL_SEQ_TESTMIDI; 1928 return (sys_ioctl(td, (struct ioctl_args *)args)); 1929 1930 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1931 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1932 return (sys_ioctl(td, (struct ioctl_args *)args)); 1933 1934 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1935 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1936 return (sys_ioctl(td, (struct ioctl_args *)args)); 1937 1938 case LINUX_SNDCTL_SEQ_NRMIDIS: 1939 args->cmd = SNDCTL_SEQ_NRMIDIS; 1940 return (sys_ioctl(td, (struct ioctl_args *)args)); 1941 1942 case LINUX_SNDCTL_MIDI_INFO: 1943 args->cmd = SNDCTL_MIDI_INFO; 1944 return (sys_ioctl(td, (struct ioctl_args *)args)); 1945 1946 case LINUX_SNDCTL_SEQ_TRESHOLD: 1947 args->cmd = SNDCTL_SEQ_TRESHOLD; 1948 return (sys_ioctl(td, (struct ioctl_args *)args)); 1949 1950 case LINUX_SNDCTL_SYNTH_MEMAVL: 1951 args->cmd = SNDCTL_SYNTH_MEMAVL; 1952 return (sys_ioctl(td, (struct ioctl_args *)args)); 1953 } 1954 1955 return (ENOIOCTL); 1956 } 1957 1958 /* 1959 * Console related ioctls 1960 */ 1961 1962 static int 1963 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1964 { 1965 struct file *fp; 1966 int error; 1967 1968 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1969 if (error != 0) 1970 return (error); 1971 switch (args->cmd & 0xffff) { 1972 case LINUX_KIOCSOUND: 1973 args->cmd = KIOCSOUND; 1974 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1975 break; 1976 1977 case LINUX_KDMKTONE: 1978 args->cmd = KDMKTONE; 1979 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1980 break; 1981 1982 case LINUX_KDGETLED: 1983 args->cmd = KDGETLED; 1984 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1985 break; 1986 1987 case LINUX_KDSETLED: 1988 args->cmd = KDSETLED; 1989 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1990 break; 1991 1992 case LINUX_KDSETMODE: 1993 args->cmd = KDSETMODE; 1994 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1995 break; 1996 1997 case LINUX_KDGETMODE: 1998 args->cmd = KDGETMODE; 1999 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2000 break; 2001 2002 case LINUX_KDGKBMODE: 2003 args->cmd = KDGKBMODE; 2004 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2005 break; 2006 2007 case LINUX_KDSKBMODE: { 2008 int kbdmode; 2009 switch (args->arg) { 2010 case LINUX_KBD_RAW: 2011 kbdmode = K_RAW; 2012 break; 2013 case LINUX_KBD_XLATE: 2014 kbdmode = K_XLATE; 2015 break; 2016 case LINUX_KBD_MEDIUMRAW: 2017 kbdmode = K_RAW; 2018 break; 2019 default: 2020 fdrop(fp, td); 2021 return (EINVAL); 2022 } 2023 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2024 td->td_ucred, td)); 2025 break; 2026 } 2027 2028 case LINUX_VT_OPENQRY: 2029 args->cmd = VT_OPENQRY; 2030 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2031 break; 2032 2033 case LINUX_VT_GETMODE: 2034 args->cmd = VT_GETMODE; 2035 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2036 break; 2037 2038 case LINUX_VT_SETMODE: { 2039 struct vt_mode mode; 2040 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2041 break; 2042 if (LINUX_SIG_VALID(mode.relsig)) 2043 mode.relsig = linux_to_bsd_signal(mode.relsig); 2044 else 2045 mode.relsig = 0; 2046 if (LINUX_SIG_VALID(mode.acqsig)) 2047 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2048 else 2049 mode.acqsig = 0; 2050 /* XXX. Linux ignores frsig and set it to 0. */ 2051 mode.frsig = 0; 2052 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2053 break; 2054 args->cmd = VT_SETMODE; 2055 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2056 break; 2057 } 2058 2059 case LINUX_VT_GETSTATE: 2060 args->cmd = VT_GETACTIVE; 2061 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2062 break; 2063 2064 case LINUX_VT_RELDISP: 2065 args->cmd = VT_RELDISP; 2066 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2067 break; 2068 2069 case LINUX_VT_ACTIVATE: 2070 args->cmd = VT_ACTIVATE; 2071 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2072 break; 2073 2074 case LINUX_VT_WAITACTIVE: 2075 args->cmd = VT_WAITACTIVE; 2076 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2077 break; 2078 2079 default: 2080 error = ENOIOCTL; 2081 break; 2082 } 2083 2084 fdrop(fp, td); 2085 return (error); 2086 } 2087 2088 /* 2089 * Implement the SIOCGIFNAME ioctl 2090 */ 2091 2092 static int 2093 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2094 { 2095 struct l_ifreq ifr; 2096 int error, ret; 2097 2098 error = copyin(uifr, &ifr, sizeof(ifr)); 2099 if (error != 0) 2100 return (error); 2101 ret = ifname_bsd_to_linux_idx(ifr.ifr_index, ifr.ifr_name, 2102 LINUX_IFNAMSIZ); 2103 if (ret > 0) 2104 return (copyout(&ifr, uifr, sizeof(ifr))); 2105 else 2106 return (ENODEV); 2107 } 2108 2109 /* 2110 * Implement the SIOCGIFCONF ioctl 2111 */ 2112 static u_int 2113 linux_ifconf_ifaddr_cb(void *arg, struct ifaddr *ifa, u_int count) 2114 { 2115 #ifdef COMPAT_LINUX32 2116 struct l_ifconf *ifc; 2117 #else 2118 struct ifconf *ifc; 2119 #endif 2120 2121 ifc = arg; 2122 ifc->ifc_len += sizeof(struct l_ifreq); 2123 return (1); 2124 } 2125 2126 static int 2127 linux_ifconf_ifnet_cb(if_t ifp, void *arg) 2128 { 2129 2130 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb, arg); 2131 return (0); 2132 } 2133 2134 struct linux_ifconfig_ifaddr_cb2_s { 2135 struct l_ifreq ifr; 2136 struct sbuf *sb; 2137 size_t max_len; 2138 size_t valid_len; 2139 }; 2140 2141 static u_int 2142 linux_ifconf_ifaddr_cb2(void *arg, struct ifaddr *ifa, u_int len) 2143 { 2144 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg; 2145 struct sockaddr *sa = ifa->ifa_addr; 2146 2147 cbs->ifr.ifr_addr.sa_family = LINUX_AF_INET; 2148 memcpy(cbs->ifr.ifr_addr.sa_data, sa->sa_data, 2149 sizeof(cbs->ifr.ifr_addr.sa_data)); 2150 sbuf_bcat(cbs->sb, &cbs->ifr, sizeof(cbs->ifr)); 2151 cbs->max_len += sizeof(cbs->ifr); 2152 2153 if (sbuf_error(cbs->sb) == 0) 2154 cbs->valid_len = sbuf_len(cbs->sb); 2155 return (1); 2156 } 2157 2158 static int 2159 linux_ifconf_ifnet_cb2(if_t ifp, void *arg) 2160 { 2161 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg; 2162 2163 bzero(&cbs->ifr, sizeof(cbs->ifr)); 2164 ifname_bsd_to_linux_ifp(ifp, cbs->ifr.ifr_name, 2165 sizeof(cbs->ifr.ifr_name)); 2166 2167 /* Walk the address list */ 2168 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb2, cbs); 2169 return (0); 2170 } 2171 2172 static int 2173 linux_ifconf(struct thread *td, struct ifconf *uifc) 2174 { 2175 struct linux_ifconfig_ifaddr_cb2_s cbs; 2176 struct epoch_tracker et; 2177 #ifdef COMPAT_LINUX32 2178 struct l_ifconf ifc; 2179 #else 2180 struct ifconf ifc; 2181 #endif 2182 struct sbuf *sb; 2183 int error, full; 2184 2185 error = copyin(uifc, &ifc, sizeof(ifc)); 2186 if (error != 0) 2187 return (error); 2188 2189 /* handle the 'request buffer size' case */ 2190 if (PTRIN(ifc.ifc_buf) == NULL) { 2191 ifc.ifc_len = 0; 2192 NET_EPOCH_ENTER(et); 2193 if_foreach(linux_ifconf_ifnet_cb, &ifc); 2194 NET_EPOCH_EXIT(et); 2195 return (copyout(&ifc, uifc, sizeof(ifc))); 2196 } 2197 if (ifc.ifc_len <= 0) 2198 return (EINVAL); 2199 2200 full = 0; 2201 cbs.max_len = maxphys - 1; 2202 2203 again: 2204 if (ifc.ifc_len <= cbs.max_len) { 2205 cbs.max_len = ifc.ifc_len; 2206 full = 1; 2207 } 2208 cbs.sb = sb = sbuf_new(NULL, NULL, cbs.max_len + 1, SBUF_FIXEDLEN); 2209 cbs.max_len = 0; 2210 cbs.valid_len = 0; 2211 2212 /* Return all AF_INET addresses of all interfaces */ 2213 NET_EPOCH_ENTER(et); 2214 if_foreach(linux_ifconf_ifnet_cb2, &cbs); 2215 NET_EPOCH_EXIT(et); 2216 2217 if (cbs.valid_len != cbs.max_len && !full) { 2218 sbuf_delete(sb); 2219 goto again; 2220 } 2221 2222 ifc.ifc_len = cbs.valid_len; 2223 sbuf_finish(sb); 2224 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2225 if (error == 0) 2226 error = copyout(&ifc, uifc, sizeof(ifc)); 2227 sbuf_delete(sb); 2228 2229 return (error); 2230 } 2231 2232 static int 2233 linux_ioctl_socket_ifreq(struct thread *td, int fd, u_int cmd, 2234 struct l_ifreq *uifr) 2235 { 2236 struct l_ifreq lifr; 2237 struct ifreq bifr; 2238 size_t ifrusiz; 2239 int error, temp_flags; 2240 2241 switch (cmd) { 2242 case LINUX_SIOCGIFINDEX: 2243 cmd = SIOCGIFINDEX; 2244 break; 2245 case LINUX_SIOCGIFFLAGS: 2246 cmd = SIOCGIFFLAGS; 2247 break; 2248 case LINUX_SIOCGIFADDR: 2249 cmd = SIOCGIFADDR; 2250 break; 2251 case LINUX_SIOCSIFADDR: 2252 cmd = SIOCSIFADDR; 2253 break; 2254 case LINUX_SIOCGIFDSTADDR: 2255 cmd = SIOCGIFDSTADDR; 2256 break; 2257 case LINUX_SIOCGIFBRDADDR: 2258 cmd = SIOCGIFBRDADDR; 2259 break; 2260 case LINUX_SIOCGIFNETMASK: 2261 cmd = SIOCGIFNETMASK; 2262 break; 2263 case LINUX_SIOCSIFNETMASK: 2264 cmd = SIOCSIFNETMASK; 2265 break; 2266 case LINUX_SIOCGIFMTU: 2267 cmd = SIOCGIFMTU; 2268 break; 2269 case LINUX_SIOCSIFMTU: 2270 cmd = SIOCSIFMTU; 2271 break; 2272 case LINUX_SIOCGIFHWADDR: 2273 cmd = SIOCGHWADDR; 2274 break; 2275 case LINUX_SIOCGIFMETRIC: 2276 cmd = SIOCGIFMETRIC; 2277 break; 2278 case LINUX_SIOCSIFMETRIC: 2279 cmd = SIOCSIFMETRIC; 2280 break; 2281 /* 2282 * XXX This is slightly bogus, but these ioctls are currently 2283 * XXX only used by the aironet (if_an) network driver. 2284 */ 2285 case LINUX_SIOCDEVPRIVATE: 2286 cmd = SIOCGPRIVATE_0; 2287 break; 2288 case LINUX_SIOCDEVPRIVATE+1: 2289 cmd = SIOCGPRIVATE_1; 2290 break; 2291 default: 2292 LINUX_RATELIMIT_MSG_OPT2( 2293 "ioctl_socket_ifreq fd=%d, cmd=0x%x is not implemented", 2294 fd, cmd); 2295 return (ENOIOCTL); 2296 } 2297 2298 error = copyin(uifr, &lifr, sizeof(lifr)); 2299 if (error != 0) 2300 return (error); 2301 bzero(&bifr, sizeof(bifr)); 2302 2303 /* 2304 * The size of Linux enum ifr_ifru is bigger than 2305 * the FreeBSD size due to the struct ifmap. 2306 */ 2307 ifrusiz = (sizeof(lifr) > sizeof(bifr) ? sizeof(bifr) : 2308 sizeof(lifr)) - offsetof(struct l_ifreq, ifr_ifru); 2309 bcopy(&lifr.ifr_ifru, &bifr.ifr_ifru, ifrusiz); 2310 2311 error = ifname_linux_to_bsd(td, lifr.ifr_name, bifr.ifr_name); 2312 if (error != 0) 2313 return (error); 2314 2315 /* Translate in values. */ 2316 switch (cmd) { 2317 case SIOCGIFINDEX: 2318 bifr.ifr_index = lifr.ifr_index; 2319 break; 2320 case SIOCSIFADDR: 2321 case SIOCSIFNETMASK: 2322 bifr.ifr_addr.sa_len = sizeof(struct sockaddr); 2323 bifr.ifr_addr.sa_family = 2324 linux_to_bsd_domain(lifr.ifr_addr.sa_family); 2325 break; 2326 default: 2327 break; 2328 } 2329 2330 error = kern_ioctl(td, fd, cmd, (caddr_t)&bifr); 2331 if (error != 0) 2332 return (error); 2333 bzero(&lifr.ifr_ifru, sizeof(lifr.ifr_ifru)); 2334 2335 /* Translate out values. */ 2336 switch (cmd) { 2337 case SIOCGIFINDEX: 2338 lifr.ifr_index = bifr.ifr_index; 2339 break; 2340 case SIOCGIFFLAGS: 2341 temp_flags = bifr.ifr_flags | (bifr.ifr_flagshigh << 16); 2342 lifr.ifr_flags = bsd_to_linux_ifflags(temp_flags); 2343 break; 2344 case SIOCGIFADDR: 2345 case SIOCSIFADDR: 2346 case SIOCGIFDSTADDR: 2347 case SIOCGIFBRDADDR: 2348 case SIOCGIFNETMASK: 2349 bcopy(&bifr.ifr_addr, &lifr.ifr_addr, sizeof(bifr.ifr_addr)); 2350 lifr.ifr_addr.sa_family = 2351 bsd_to_linux_domain(bifr.ifr_addr.sa_family); 2352 break; 2353 case SIOCGHWADDR: 2354 bcopy(&bifr.ifr_addr, &lifr.ifr_hwaddr, sizeof(bifr.ifr_addr)); 2355 lifr.ifr_hwaddr.sa_family = LINUX_ARPHRD_ETHER; 2356 break; 2357 default: 2358 bcopy(&bifr.ifr_ifru, &lifr.ifr_ifru, ifrusiz); 2359 break; 2360 } 2361 2362 return (copyout(&lifr, uifr, sizeof(lifr))); 2363 } 2364 2365 /* 2366 * Socket related ioctls 2367 */ 2368 2369 static int 2370 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2371 { 2372 struct file *fp; 2373 int error, type; 2374 2375 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2376 if (error != 0) 2377 return (error); 2378 type = fp->f_type; 2379 fdrop(fp, td); 2380 2381 CURVNET_SET(TD_TO_VNET(td)); 2382 2383 if (type != DTYPE_SOCKET) { 2384 /* not a socket - probably a tap / vmnet device */ 2385 switch (args->cmd) { 2386 case LINUX_SIOCGIFADDR: 2387 case LINUX_SIOCSIFADDR: 2388 case LINUX_SIOCGIFFLAGS: 2389 error = linux_ioctl_special(td, args); 2390 break; 2391 default: 2392 error = ENOIOCTL; 2393 break; 2394 } 2395 CURVNET_RESTORE(); 2396 return (error); 2397 } 2398 2399 switch (args->cmd) { 2400 case LINUX_FIOSETOWN: 2401 args->cmd = FIOSETOWN; 2402 error = sys_ioctl(td, (struct ioctl_args *)args); 2403 break; 2404 2405 case LINUX_SIOCSPGRP: 2406 args->cmd = SIOCSPGRP; 2407 error = sys_ioctl(td, (struct ioctl_args *)args); 2408 break; 2409 2410 case LINUX_FIOGETOWN: 2411 args->cmd = FIOGETOWN; 2412 error = sys_ioctl(td, (struct ioctl_args *)args); 2413 break; 2414 2415 case LINUX_SIOCGPGRP: 2416 args->cmd = SIOCGPGRP; 2417 error = sys_ioctl(td, (struct ioctl_args *)args); 2418 break; 2419 2420 case LINUX_SIOCATMARK: 2421 args->cmd = SIOCATMARK; 2422 error = sys_ioctl(td, (struct ioctl_args *)args); 2423 break; 2424 2425 /* LINUX_SIOCGSTAMP */ 2426 2427 case LINUX_SIOCGIFNAME: 2428 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2429 break; 2430 2431 case LINUX_SIOCGIFCONF: 2432 error = linux_ifconf(td, (struct ifconf *)args->arg); 2433 break; 2434 2435 case LINUX_SIOCADDMULTI: 2436 args->cmd = SIOCADDMULTI; 2437 error = sys_ioctl(td, (struct ioctl_args *)args); 2438 break; 2439 2440 case LINUX_SIOCDELMULTI: 2441 args->cmd = SIOCDELMULTI; 2442 error = sys_ioctl(td, (struct ioctl_args *)args); 2443 break; 2444 2445 case LINUX_SIOCGIFCOUNT: 2446 error = 0; 2447 break; 2448 2449 default: 2450 error = linux_ioctl_socket_ifreq(td, args->fd, args->cmd, 2451 PTRIN(args->arg)); 2452 break; 2453 } 2454 2455 CURVNET_RESTORE(); 2456 return (error); 2457 } 2458 2459 /* 2460 * Device private ioctl handler 2461 */ 2462 static int 2463 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2464 { 2465 struct file *fp; 2466 int error, type; 2467 2468 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2469 if (error != 0) 2470 return (error); 2471 type = fp->f_type; 2472 fdrop(fp, td); 2473 if (type == DTYPE_SOCKET) 2474 return (linux_ioctl_socket(td, args)); 2475 return (ENOIOCTL); 2476 } 2477 2478 /* 2479 * DRM ioctl handler (sys/dev/drm) 2480 */ 2481 static int 2482 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2483 { 2484 args->cmd = SETDIR(args->cmd); 2485 return (sys_ioctl(td, (struct ioctl_args *)args)); 2486 } 2487 2488 #ifdef COMPAT_LINUX32 2489 static int 2490 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2491 { 2492 struct sg_io_hdr io; 2493 struct sg_io_hdr32 io32; 2494 struct file *fp; 2495 int error; 2496 2497 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2498 if (error != 0) { 2499 printf("sg_linux_ioctl: fget returned %d\n", error); 2500 return (error); 2501 } 2502 2503 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2504 goto out; 2505 2506 CP(io32, io, interface_id); 2507 CP(io32, io, dxfer_direction); 2508 CP(io32, io, cmd_len); 2509 CP(io32, io, mx_sb_len); 2510 CP(io32, io, iovec_count); 2511 CP(io32, io, dxfer_len); 2512 PTRIN_CP(io32, io, dxferp); 2513 PTRIN_CP(io32, io, cmdp); 2514 PTRIN_CP(io32, io, sbp); 2515 CP(io32, io, timeout); 2516 CP(io32, io, flags); 2517 CP(io32, io, pack_id); 2518 PTRIN_CP(io32, io, usr_ptr); 2519 CP(io32, io, status); 2520 CP(io32, io, masked_status); 2521 CP(io32, io, msg_status); 2522 CP(io32, io, sb_len_wr); 2523 CP(io32, io, host_status); 2524 CP(io32, io, driver_status); 2525 CP(io32, io, resid); 2526 CP(io32, io, duration); 2527 CP(io32, io, info); 2528 2529 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2530 goto out; 2531 2532 CP(io, io32, interface_id); 2533 CP(io, io32, dxfer_direction); 2534 CP(io, io32, cmd_len); 2535 CP(io, io32, mx_sb_len); 2536 CP(io, io32, iovec_count); 2537 CP(io, io32, dxfer_len); 2538 PTROUT_CP(io, io32, dxferp); 2539 PTROUT_CP(io, io32, cmdp); 2540 PTROUT_CP(io, io32, sbp); 2541 CP(io, io32, timeout); 2542 CP(io, io32, flags); 2543 CP(io, io32, pack_id); 2544 PTROUT_CP(io, io32, usr_ptr); 2545 CP(io, io32, status); 2546 CP(io, io32, masked_status); 2547 CP(io, io32, msg_status); 2548 CP(io, io32, sb_len_wr); 2549 CP(io, io32, host_status); 2550 CP(io, io32, driver_status); 2551 CP(io, io32, resid); 2552 CP(io, io32, duration); 2553 CP(io, io32, info); 2554 2555 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2556 2557 out: 2558 fdrop(fp, td); 2559 return (error); 2560 } 2561 #endif 2562 2563 static int 2564 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2565 { 2566 2567 switch (args->cmd) { 2568 case LINUX_SG_GET_VERSION_NUM: 2569 args->cmd = SG_GET_VERSION_NUM; 2570 break; 2571 case LINUX_SG_SET_TIMEOUT: 2572 args->cmd = SG_SET_TIMEOUT; 2573 break; 2574 case LINUX_SG_GET_TIMEOUT: 2575 args->cmd = SG_GET_TIMEOUT; 2576 break; 2577 case LINUX_SG_IO: 2578 args->cmd = SG_IO; 2579 #ifdef COMPAT_LINUX32 2580 return (linux_ioctl_sg_io(td, args)); 2581 #endif 2582 break; 2583 case LINUX_SG_GET_RESERVED_SIZE: 2584 args->cmd = SG_GET_RESERVED_SIZE; 2585 break; 2586 case LINUX_SG_GET_SCSI_ID: 2587 args->cmd = SG_GET_SCSI_ID; 2588 break; 2589 case LINUX_SG_GET_SG_TABLESIZE: 2590 args->cmd = SG_GET_SG_TABLESIZE; 2591 break; 2592 default: 2593 return (ENODEV); 2594 } 2595 return (sys_ioctl(td, (struct ioctl_args *)args)); 2596 } 2597 2598 /* 2599 * Video4Linux (V4L) ioctl handler 2600 */ 2601 static int 2602 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2603 { 2604 vt->tuner = lvt->tuner; 2605 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2606 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2607 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2608 vt->flags = lvt->flags; 2609 vt->mode = lvt->mode; 2610 vt->signal = lvt->signal; 2611 return (0); 2612 } 2613 2614 static int 2615 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2616 { 2617 lvt->tuner = vt->tuner; 2618 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2619 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2620 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2621 lvt->flags = vt->flags; 2622 lvt->mode = vt->mode; 2623 lvt->signal = vt->signal; 2624 return (0); 2625 } 2626 2627 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2628 static int 2629 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2630 { 2631 vc->x = lvc->x; 2632 vc->y = lvc->y; 2633 vc->width = lvc->width; 2634 vc->height = lvc->height; 2635 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2636 return (0); 2637 } 2638 #endif 2639 2640 static int 2641 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2642 { 2643 vw->x = lvw->x; 2644 vw->y = lvw->y; 2645 vw->width = lvw->width; 2646 vw->height = lvw->height; 2647 vw->chromakey = lvw->chromakey; 2648 vw->flags = lvw->flags; 2649 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2650 vw->clipcount = lvw->clipcount; 2651 return (0); 2652 } 2653 2654 static int 2655 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2656 { 2657 memset(lvw, 0, sizeof(*lvw)); 2658 2659 lvw->x = vw->x; 2660 lvw->y = vw->y; 2661 lvw->width = vw->width; 2662 lvw->height = vw->height; 2663 lvw->chromakey = vw->chromakey; 2664 lvw->flags = vw->flags; 2665 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2666 lvw->clipcount = vw->clipcount; 2667 return (0); 2668 } 2669 2670 static int 2671 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2672 { 2673 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2674 vb->height = lvb->height; 2675 vb->width = lvb->width; 2676 vb->depth = lvb->depth; 2677 vb->bytesperline = lvb->bytesperline; 2678 return (0); 2679 } 2680 2681 static int 2682 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2683 { 2684 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2685 lvb->height = vb->height; 2686 lvb->width = vb->width; 2687 lvb->depth = vb->depth; 2688 lvb->bytesperline = vb->bytesperline; 2689 return (0); 2690 } 2691 2692 static int 2693 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2694 { 2695 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2696 vc->datasize = lvc->datasize; 2697 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2698 return (0); 2699 } 2700 2701 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2702 static int 2703 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2704 { 2705 int error; 2706 struct video_clip vclip; 2707 struct l_video_clip l_vclip; 2708 2709 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2710 if (error) return (error); 2711 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2712 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2713 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2714 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2715 memcpy(*ppvc, &vclip, sizeof(vclip)); 2716 (*ppvc)->next = NULL; 2717 return (0); 2718 } 2719 2720 static int 2721 linux_v4l_cliplist_free(struct video_window *vw) 2722 { 2723 struct video_clip **ppvc; 2724 struct video_clip **ppvc_next; 2725 2726 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2727 ppvc_next = &((*ppvc)->next); 2728 free(*ppvc, M_LINUX); 2729 } 2730 vw->clips = NULL; 2731 2732 return (0); 2733 } 2734 2735 static int 2736 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2737 { 2738 int error; 2739 int clipcount; 2740 void *plvc; 2741 struct video_clip **ppvc; 2742 2743 /* 2744 * XXX: The cliplist is used to pass in a list of clipping 2745 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2746 * clipping bitmap. Some Linux apps, however, appear to 2747 * leave cliplist and clips uninitialized. In any case, 2748 * the cliplist is not used by pwc(4), at the time of 2749 * writing, FreeBSD's only V4L driver. When a driver 2750 * that uses the cliplist is developed, this code may 2751 * need re-examiniation. 2752 */ 2753 error = 0; 2754 clipcount = vw->clipcount; 2755 if (clipcount == VIDEO_CLIP_BITMAP) { 2756 /* 2757 * In this case, the pointer (clips) is overloaded 2758 * to be a "void *" to a bitmap, therefore there 2759 * is no struct video_clip to copy now. 2760 */ 2761 } else if (clipcount > 0 && clipcount <= 16384) { 2762 /* 2763 * Clips points to list of clip rectangles, so 2764 * copy the list. 2765 * 2766 * XXX: Upper limit of 16384 was used here to try to 2767 * avoid cases when clipcount and clips pointer 2768 * are uninitialized and therefore have high random 2769 * values, as is the case in the Linux Skype 2770 * application. The value 16384 was chosen as that 2771 * is what is used in the Linux stradis(4) MPEG 2772 * decoder driver, the only place we found an 2773 * example of cliplist use. 2774 */ 2775 plvc = PTRIN(lvw->clips); 2776 vw->clips = NULL; 2777 ppvc = &(vw->clips); 2778 while (clipcount-- > 0) { 2779 if (plvc == NULL) { 2780 error = EFAULT; 2781 break; 2782 } else { 2783 error = linux_v4l_clip_copy(plvc, ppvc); 2784 if (error) { 2785 linux_v4l_cliplist_free(vw); 2786 break; 2787 } 2788 } 2789 ppvc = &((*ppvc)->next); 2790 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2791 } 2792 } else { 2793 /* 2794 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2795 * Force cliplist to null. 2796 */ 2797 vw->clipcount = 0; 2798 vw->clips = NULL; 2799 } 2800 return (error); 2801 } 2802 #endif 2803 2804 static int 2805 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2806 { 2807 struct file *fp; 2808 int error; 2809 struct video_tuner vtun; 2810 struct video_window vwin; 2811 struct video_buffer vbuf; 2812 struct video_code vcode; 2813 struct l_video_tuner l_vtun; 2814 struct l_video_window l_vwin; 2815 struct l_video_buffer l_vbuf; 2816 struct l_video_code l_vcode; 2817 2818 switch (args->cmd & 0xffff) { 2819 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2820 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2821 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2822 2823 case LINUX_VIDIOCGTUNER: 2824 error = fget(td, args->fd, 2825 &cap_ioctl_rights, &fp); 2826 if (error != 0) 2827 return (error); 2828 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2829 if (error) { 2830 fdrop(fp, td); 2831 return (error); 2832 } 2833 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2834 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2835 if (!error) { 2836 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2837 error = copyout(&l_vtun, (void *) args->arg, 2838 sizeof(l_vtun)); 2839 } 2840 fdrop(fp, td); 2841 return (error); 2842 2843 case LINUX_VIDIOCSTUNER: 2844 error = fget(td, args->fd, 2845 &cap_ioctl_rights, &fp); 2846 if (error != 0) 2847 return (error); 2848 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2849 if (error) { 2850 fdrop(fp, td); 2851 return (error); 2852 } 2853 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2854 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2855 fdrop(fp, td); 2856 return (error); 2857 2858 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2859 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2860 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2861 2862 case LINUX_VIDIOCGWIN: 2863 error = fget(td, args->fd, 2864 &cap_ioctl_rights, &fp); 2865 if (error != 0) 2866 return (error); 2867 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2868 if (!error) { 2869 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2870 error = copyout(&l_vwin, (void *) args->arg, 2871 sizeof(l_vwin)); 2872 } 2873 fdrop(fp, td); 2874 return (error); 2875 2876 case LINUX_VIDIOCSWIN: 2877 error = fget(td, args->fd, 2878 &cap_ioctl_rights, &fp); 2879 if (error != 0) 2880 return (error); 2881 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2882 if (error) { 2883 fdrop(fp, td); 2884 return (error); 2885 } 2886 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2887 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2888 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2889 if (error) { 2890 fdrop(fp, td); 2891 return (error); 2892 } 2893 #endif 2894 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2895 fdrop(fp, td); 2896 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2897 linux_v4l_cliplist_free(&vwin); 2898 #endif 2899 return (error); 2900 2901 case LINUX_VIDIOCGFBUF: 2902 error = fget(td, args->fd, 2903 &cap_ioctl_rights, &fp); 2904 if (error != 0) 2905 return (error); 2906 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2907 if (!error) { 2908 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2909 error = copyout(&l_vbuf, (void *) args->arg, 2910 sizeof(l_vbuf)); 2911 } 2912 fdrop(fp, td); 2913 return (error); 2914 2915 case LINUX_VIDIOCSFBUF: 2916 error = fget(td, args->fd, 2917 &cap_ioctl_rights, &fp); 2918 if (error != 0) 2919 return (error); 2920 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2921 if (error) { 2922 fdrop(fp, td); 2923 return (error); 2924 } 2925 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2926 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2927 fdrop(fp, td); 2928 return (error); 2929 2930 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2931 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2932 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2933 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2934 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2935 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2936 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2937 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2938 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2939 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 2940 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 2941 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 2942 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 2943 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 2944 2945 case LINUX_VIDIOCSMICROCODE: 2946 error = fget(td, args->fd, 2947 &cap_ioctl_rights, &fp); 2948 if (error != 0) 2949 return (error); 2950 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 2951 if (error) { 2952 fdrop(fp, td); 2953 return (error); 2954 } 2955 linux_to_bsd_v4l_code(&l_vcode, &vcode); 2956 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 2957 fdrop(fp, td); 2958 return (error); 2959 2960 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 2961 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 2962 default: return (ENOIOCTL); 2963 } 2964 2965 error = sys_ioctl(td, (struct ioctl_args *)args); 2966 return (error); 2967 } 2968 2969 /* 2970 * Special ioctl handler 2971 */ 2972 static int 2973 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2974 { 2975 int error; 2976 2977 switch (args->cmd) { 2978 case LINUX_SIOCGIFADDR: 2979 args->cmd = SIOCGIFADDR; 2980 error = sys_ioctl(td, (struct ioctl_args *)args); 2981 break; 2982 case LINUX_SIOCSIFADDR: 2983 args->cmd = SIOCSIFADDR; 2984 error = sys_ioctl(td, (struct ioctl_args *)args); 2985 break; 2986 case LINUX_SIOCGIFFLAGS: 2987 args->cmd = SIOCGIFFLAGS; 2988 error = sys_ioctl(td, (struct ioctl_args *)args); 2989 break; 2990 default: 2991 error = ENOIOCTL; 2992 } 2993 2994 return (error); 2995 } 2996 2997 static int 2998 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 2999 { 3000 vstd->index = lvstd->index; 3001 vstd->id = lvstd->id; 3002 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3003 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3004 vstd->frameperiod = lvstd->frameperiod; 3005 vstd->framelines = lvstd->framelines; 3006 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3007 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3008 return (0); 3009 } 3010 3011 static int 3012 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3013 { 3014 lvstd->index = vstd->index; 3015 lvstd->id = vstd->id; 3016 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3017 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3018 lvstd->frameperiod = vstd->frameperiod; 3019 lvstd->framelines = vstd->framelines; 3020 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3021 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3022 return (0); 3023 } 3024 3025 static int 3026 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3027 { 3028 vb->index = lvb->index; 3029 vb->type = lvb->type; 3030 vb->bytesused = lvb->bytesused; 3031 vb->flags = lvb->flags; 3032 vb->field = lvb->field; 3033 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3034 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3035 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3036 vb->sequence = lvb->sequence; 3037 vb->memory = lvb->memory; 3038 if (lvb->memory == V4L2_MEMORY_USERPTR) 3039 /* possible pointer size conversion */ 3040 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3041 else 3042 vb->m.offset = lvb->m.offset; 3043 vb->length = lvb->length; 3044 vb->input = lvb->input; 3045 vb->reserved = lvb->reserved; 3046 return (0); 3047 } 3048 3049 static int 3050 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3051 { 3052 lvb->index = vb->index; 3053 lvb->type = vb->type; 3054 lvb->bytesused = vb->bytesused; 3055 lvb->flags = vb->flags; 3056 lvb->field = vb->field; 3057 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3058 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3059 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3060 lvb->sequence = vb->sequence; 3061 lvb->memory = vb->memory; 3062 if (vb->memory == V4L2_MEMORY_USERPTR) 3063 /* possible pointer size conversion */ 3064 lvb->m.userptr = PTROUT(vb->m.userptr); 3065 else 3066 lvb->m.offset = vb->m.offset; 3067 lvb->length = vb->length; 3068 lvb->input = vb->input; 3069 lvb->reserved = vb->reserved; 3070 return (0); 3071 } 3072 3073 static int 3074 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3075 { 3076 vf->type = lvf->type; 3077 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3078 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3079 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3080 #endif 3081 ) 3082 /* 3083 * XXX TODO - needs 32 -> 64 bit conversion: 3084 * (unused by webcams?) 3085 */ 3086 return (EINVAL); 3087 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3088 return (0); 3089 } 3090 3091 static int 3092 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3093 { 3094 lvf->type = vf->type; 3095 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3096 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3097 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3098 #endif 3099 ) 3100 /* 3101 * XXX TODO - needs 32 -> 64 bit conversion: 3102 * (unused by webcams?) 3103 */ 3104 return (EINVAL); 3105 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3106 return (0); 3107 } 3108 static int 3109 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3110 { 3111 struct file *fp; 3112 int error; 3113 struct v4l2_format vformat; 3114 struct l_v4l2_format l_vformat; 3115 struct v4l2_standard vstd; 3116 struct l_v4l2_standard l_vstd; 3117 struct l_v4l2_buffer l_vbuf; 3118 struct v4l2_buffer vbuf; 3119 struct v4l2_input vinp; 3120 3121 switch (args->cmd & 0xffff) { 3122 case LINUX_VIDIOC_RESERVED: 3123 case LINUX_VIDIOC_LOG_STATUS: 3124 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3125 return (ENOIOCTL); 3126 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3127 break; 3128 3129 case LINUX_VIDIOC_OVERLAY: 3130 case LINUX_VIDIOC_STREAMON: 3131 case LINUX_VIDIOC_STREAMOFF: 3132 case LINUX_VIDIOC_S_STD: 3133 case LINUX_VIDIOC_S_TUNER: 3134 case LINUX_VIDIOC_S_AUDIO: 3135 case LINUX_VIDIOC_S_AUDOUT: 3136 case LINUX_VIDIOC_S_MODULATOR: 3137 case LINUX_VIDIOC_S_FREQUENCY: 3138 case LINUX_VIDIOC_S_CROP: 3139 case LINUX_VIDIOC_S_JPEGCOMP: 3140 case LINUX_VIDIOC_S_PRIORITY: 3141 case LINUX_VIDIOC_DBG_S_REGISTER: 3142 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3143 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3144 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3145 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3146 break; 3147 3148 case LINUX_VIDIOC_QUERYCAP: 3149 case LINUX_VIDIOC_G_STD: 3150 case LINUX_VIDIOC_G_AUDIO: 3151 case LINUX_VIDIOC_G_INPUT: 3152 case LINUX_VIDIOC_G_OUTPUT: 3153 case LINUX_VIDIOC_G_AUDOUT: 3154 case LINUX_VIDIOC_G_JPEGCOMP: 3155 case LINUX_VIDIOC_QUERYSTD: 3156 case LINUX_VIDIOC_G_PRIORITY: 3157 case LINUX_VIDIOC_QUERY_DV_PRESET: 3158 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3159 break; 3160 3161 case LINUX_VIDIOC_ENUM_FMT: 3162 case LINUX_VIDIOC_REQBUFS: 3163 case LINUX_VIDIOC_G_PARM: 3164 case LINUX_VIDIOC_S_PARM: 3165 case LINUX_VIDIOC_G_CTRL: 3166 case LINUX_VIDIOC_S_CTRL: 3167 case LINUX_VIDIOC_G_TUNER: 3168 case LINUX_VIDIOC_QUERYCTRL: 3169 case LINUX_VIDIOC_QUERYMENU: 3170 case LINUX_VIDIOC_S_INPUT: 3171 case LINUX_VIDIOC_S_OUTPUT: 3172 case LINUX_VIDIOC_ENUMOUTPUT: 3173 case LINUX_VIDIOC_G_MODULATOR: 3174 case LINUX_VIDIOC_G_FREQUENCY: 3175 case LINUX_VIDIOC_CROPCAP: 3176 case LINUX_VIDIOC_G_CROP: 3177 case LINUX_VIDIOC_ENUMAUDIO: 3178 case LINUX_VIDIOC_ENUMAUDOUT: 3179 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3180 #ifdef VIDIOC_ENUM_FRAMESIZES 3181 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3182 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3183 case LINUX_VIDIOC_ENCODER_CMD: 3184 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3185 #endif 3186 case LINUX_VIDIOC_DBG_G_REGISTER: 3187 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3188 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3189 case LINUX_VIDIOC_S_DV_PRESET: 3190 case LINUX_VIDIOC_G_DV_PRESET: 3191 case LINUX_VIDIOC_S_DV_TIMINGS: 3192 case LINUX_VIDIOC_G_DV_TIMINGS: 3193 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3194 break; 3195 3196 case LINUX_VIDIOC_G_FMT: 3197 case LINUX_VIDIOC_S_FMT: 3198 case LINUX_VIDIOC_TRY_FMT: 3199 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3200 if (error) 3201 return (error); 3202 error = fget(td, args->fd, 3203 &cap_ioctl_rights, &fp); 3204 if (error) 3205 return (error); 3206 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3207 error = EINVAL; 3208 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3209 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3210 td->td_ucred, td); 3211 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3212 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3213 td->td_ucred, td); 3214 else 3215 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3216 td->td_ucred, td); 3217 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3218 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3219 fdrop(fp, td); 3220 return (error); 3221 3222 case LINUX_VIDIOC_ENUMSTD: 3223 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3224 if (error) 3225 return (error); 3226 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3227 error = fget(td, args->fd, 3228 &cap_ioctl_rights, &fp); 3229 if (error) 3230 return (error); 3231 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3232 td->td_ucred, td); 3233 if (error) { 3234 fdrop(fp, td); 3235 return (error); 3236 } 3237 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3238 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3239 fdrop(fp, td); 3240 return (error); 3241 3242 case LINUX_VIDIOC_ENUMINPUT: 3243 /* 3244 * The Linux struct l_v4l2_input differs only in size, 3245 * it has no padding at the end. 3246 */ 3247 error = copyin((void *)args->arg, &vinp, 3248 sizeof(struct l_v4l2_input)); 3249 if (error != 0) 3250 return (error); 3251 error = fget(td, args->fd, 3252 &cap_ioctl_rights, &fp); 3253 if (error != 0) 3254 return (error); 3255 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3256 td->td_ucred, td); 3257 if (error) { 3258 fdrop(fp, td); 3259 return (error); 3260 } 3261 error = copyout(&vinp, (void *)args->arg, 3262 sizeof(struct l_v4l2_input)); 3263 fdrop(fp, td); 3264 return (error); 3265 3266 case LINUX_VIDIOC_QUERYBUF: 3267 case LINUX_VIDIOC_QBUF: 3268 case LINUX_VIDIOC_DQBUF: 3269 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3270 if (error) 3271 return (error); 3272 error = fget(td, args->fd, 3273 &cap_ioctl_rights, &fp); 3274 if (error) 3275 return (error); 3276 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3277 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3278 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3279 td->td_ucred, td); 3280 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3281 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3282 td->td_ucred, td); 3283 else 3284 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3285 td->td_ucred, td); 3286 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3287 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3288 fdrop(fp, td); 3289 return (error); 3290 3291 /* 3292 * XXX TODO - these need 32 -> 64 bit conversion: 3293 * (are any of them needed for webcams?) 3294 */ 3295 case LINUX_VIDIOC_G_FBUF: 3296 case LINUX_VIDIOC_S_FBUF: 3297 3298 case LINUX_VIDIOC_G_EXT_CTRLS: 3299 case LINUX_VIDIOC_S_EXT_CTRLS: 3300 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3301 3302 case LINUX_VIDIOC_DQEVENT: 3303 3304 default: return (ENOIOCTL); 3305 } 3306 3307 error = sys_ioctl(td, (struct ioctl_args *)args); 3308 return (error); 3309 } 3310 3311 /* 3312 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3313 * instead of USB* ones. This lets us to provide correct values for cmd. 3314 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3315 */ 3316 static int 3317 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3318 { 3319 int error; 3320 3321 error = 0; 3322 switch (args->cmd) { 3323 case FBSD_LUSB_DEVICEENUMERATE: 3324 args->cmd = USB_DEVICEENUMERATE; 3325 break; 3326 case FBSD_LUSB_DEV_QUIRK_ADD: 3327 args->cmd = USB_DEV_QUIRK_ADD; 3328 break; 3329 case FBSD_LUSB_DEV_QUIRK_GET: 3330 args->cmd = USB_DEV_QUIRK_GET; 3331 break; 3332 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3333 args->cmd = USB_DEV_QUIRK_REMOVE; 3334 break; 3335 case FBSD_LUSB_DO_REQUEST: 3336 args->cmd = USB_DO_REQUEST; 3337 break; 3338 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3339 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3340 break; 3341 case FBSD_LUSB_FS_CLOSE: 3342 args->cmd = USB_FS_CLOSE; 3343 break; 3344 case FBSD_LUSB_FS_COMPLETE: 3345 args->cmd = USB_FS_COMPLETE; 3346 break; 3347 case FBSD_LUSB_FS_INIT: 3348 args->cmd = USB_FS_INIT; 3349 break; 3350 case FBSD_LUSB_FS_OPEN: 3351 args->cmd = USB_FS_OPEN; 3352 break; 3353 case FBSD_LUSB_FS_START: 3354 args->cmd = USB_FS_START; 3355 break; 3356 case FBSD_LUSB_FS_STOP: 3357 args->cmd = USB_FS_STOP; 3358 break; 3359 case FBSD_LUSB_FS_UNINIT: 3360 args->cmd = USB_FS_UNINIT; 3361 break; 3362 case FBSD_LUSB_GET_CONFIG: 3363 args->cmd = USB_GET_CONFIG; 3364 break; 3365 case FBSD_LUSB_GET_DEVICEINFO: 3366 args->cmd = USB_GET_DEVICEINFO; 3367 break; 3368 case FBSD_LUSB_GET_DEVICE_DESC: 3369 args->cmd = USB_GET_DEVICE_DESC; 3370 break; 3371 case FBSD_LUSB_GET_FULL_DESC: 3372 args->cmd = USB_GET_FULL_DESC; 3373 break; 3374 case FBSD_LUSB_GET_IFACE_DRIVER: 3375 args->cmd = USB_GET_IFACE_DRIVER; 3376 break; 3377 case FBSD_LUSB_GET_PLUGTIME: 3378 args->cmd = USB_GET_PLUGTIME; 3379 break; 3380 case FBSD_LUSB_GET_POWER_MODE: 3381 args->cmd = USB_GET_POWER_MODE; 3382 break; 3383 case FBSD_LUSB_GET_REPORT_DESC: 3384 args->cmd = USB_GET_REPORT_DESC; 3385 break; 3386 case FBSD_LUSB_GET_REPORT_ID: 3387 args->cmd = USB_GET_REPORT_ID; 3388 break; 3389 case FBSD_LUSB_GET_TEMPLATE: 3390 args->cmd = USB_GET_TEMPLATE; 3391 break; 3392 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3393 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3394 break; 3395 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3396 args->cmd = USB_IFACE_DRIVER_DETACH; 3397 break; 3398 case FBSD_LUSB_QUIRK_NAME_GET: 3399 args->cmd = USB_QUIRK_NAME_GET; 3400 break; 3401 case FBSD_LUSB_READ_DIR: 3402 args->cmd = USB_READ_DIR; 3403 break; 3404 case FBSD_LUSB_SET_ALTINTERFACE: 3405 args->cmd = USB_SET_ALTINTERFACE; 3406 break; 3407 case FBSD_LUSB_SET_CONFIG: 3408 args->cmd = USB_SET_CONFIG; 3409 break; 3410 case FBSD_LUSB_SET_IMMED: 3411 args->cmd = USB_SET_IMMED; 3412 break; 3413 case FBSD_LUSB_SET_POWER_MODE: 3414 args->cmd = USB_SET_POWER_MODE; 3415 break; 3416 case FBSD_LUSB_SET_TEMPLATE: 3417 args->cmd = USB_SET_TEMPLATE; 3418 break; 3419 case FBSD_LUSB_FS_OPEN_STREAM: 3420 args->cmd = USB_FS_OPEN_STREAM; 3421 break; 3422 case FBSD_LUSB_GET_DEV_PORT_PATH: 3423 args->cmd = USB_GET_DEV_PORT_PATH; 3424 break; 3425 case FBSD_LUSB_GET_POWER_USAGE: 3426 args->cmd = USB_GET_POWER_USAGE; 3427 break; 3428 case FBSD_LUSB_DEVICESTATS: 3429 args->cmd = USB_DEVICESTATS; 3430 break; 3431 default: 3432 error = ENOIOCTL; 3433 } 3434 if (error != ENOIOCTL) 3435 error = sys_ioctl(td, (struct ioctl_args *)args); 3436 return (error); 3437 } 3438 3439 /* 3440 * Some evdev ioctls must be translated. 3441 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3442 * (must be IOC_INOUT on FreeBSD). 3443 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3444 * an int argument. You don't pass an int pointer to the ioctl(), however, 3445 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3446 * this to work. 3447 */ 3448 static int 3449 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3450 { 3451 struct file *fp; 3452 clockid_t clock; 3453 int error; 3454 3455 args->cmd = SETDIR(args->cmd); 3456 3457 switch (args->cmd) { 3458 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3459 args->cmd = EVIOCGRAB; 3460 break; 3461 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3462 args->cmd = EVIOCREVOKE; 3463 break; 3464 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3465 args->cmd = EVIOCRMFF; 3466 break; 3467 case EVIOCSCLOCKID: { 3468 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3469 if (error != 0) 3470 return (error); 3471 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3472 return (EINVAL); 3473 error = linux_to_native_clockid(&clock, clock); 3474 if (error != 0) 3475 return (error); 3476 3477 error = fget(td, args->fd, 3478 &cap_ioctl_rights, &fp); 3479 if (error != 0) 3480 return (error); 3481 3482 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3483 fdrop(fp, td); 3484 return (error); 3485 } 3486 default: 3487 break; 3488 } 3489 3490 if (IOCBASECMD(args->cmd) == 3491 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3492 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3493 3494 return (sys_ioctl(td, (struct ioctl_args *)args)); 3495 } 3496 3497 static int 3498 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3499 { 3500 int error; 3501 3502 error = 0; 3503 switch (args->cmd & 0xffff) { 3504 case LINUX_KCOV_INIT_TRACE: 3505 args->cmd = KIOSETBUFSIZE; 3506 break; 3507 case LINUX_KCOV_ENABLE: 3508 args->cmd = KIOENABLE; 3509 if (args->arg == 0) 3510 args->arg = KCOV_MODE_TRACE_PC; 3511 else if (args->arg == 1) 3512 args->arg = KCOV_MODE_TRACE_CMP; 3513 else 3514 error = EINVAL; 3515 break; 3516 case LINUX_KCOV_DISABLE: 3517 args->cmd = KIODISABLE; 3518 break; 3519 default: 3520 error = ENOTTY; 3521 break; 3522 } 3523 3524 if (error == 0) 3525 error = sys_ioctl(td, (struct ioctl_args *)args); 3526 return (error); 3527 } 3528 3529 /* 3530 * main ioctl syscall function 3531 */ 3532 3533 static int 3534 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3535 { 3536 struct file *fp; 3537 struct linux_ioctl_handler_element *he; 3538 int error, cmd; 3539 3540 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3541 if (error != 0) 3542 return (error); 3543 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3544 fdrop(fp, td); 3545 return (EBADF); 3546 } 3547 3548 /* Iterate over the ioctl handlers */ 3549 cmd = args->cmd & 0xffff; 3550 sx_slock(&linux_ioctl_sx); 3551 mtx_lock(&Giant); 3552 #ifdef COMPAT_LINUX32 3553 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3554 if (cmd >= he->low && cmd <= he->high) { 3555 error = (*he->func)(td, args); 3556 if (error != ENOIOCTL) { 3557 mtx_unlock(&Giant); 3558 sx_sunlock(&linux_ioctl_sx); 3559 fdrop(fp, td); 3560 return (error); 3561 } 3562 } 3563 } 3564 #endif 3565 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3566 if (cmd >= he->low && cmd <= he->high) { 3567 error = (*he->func)(td, args); 3568 if (error != ENOIOCTL) { 3569 mtx_unlock(&Giant); 3570 sx_sunlock(&linux_ioctl_sx); 3571 fdrop(fp, td); 3572 return (error); 3573 } 3574 } 3575 } 3576 mtx_unlock(&Giant); 3577 sx_sunlock(&linux_ioctl_sx); 3578 fdrop(fp, td); 3579 3580 switch (args->cmd & 0xffff) { 3581 case LINUX_BTRFS_IOC_CLONE: 3582 case LINUX_F2FS_IOC_GET_FEATURES: 3583 case LINUX_FS_IOC_FIEMAP: 3584 return (ENOTSUP); 3585 3586 default: 3587 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3588 __func__, args->fd, args->cmd, 3589 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3590 break; 3591 } 3592 3593 return (EINVAL); 3594 } 3595 3596 int 3597 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3598 { 3599 struct linux_ioctl_handler *handler; 3600 int error, cmd, i; 3601 3602 cmd = args->cmd & 0xffff; 3603 3604 /* 3605 * array of ioctls known at compilation time. Elides a lot of work on 3606 * each call compared to the list variant. Everything frequently used 3607 * should be moved here. 3608 * 3609 * Arguably the magic creating the list should create an array instead. 3610 * 3611 * For now just a linear scan. 3612 */ 3613 for (i = 0; i < nitems(linux_ioctls); i++) { 3614 handler = &linux_ioctls[i]; 3615 if (cmd >= handler->low && cmd <= handler->high) { 3616 error = (*handler->func)(td, args); 3617 if (error != ENOIOCTL) { 3618 return (error); 3619 } 3620 } 3621 } 3622 return (linux_ioctl_fallback(td, args)); 3623 } 3624 3625 int 3626 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3627 { 3628 struct linux_ioctl_handler_element *he, *cur; 3629 3630 if (h == NULL || h->func == NULL) 3631 return (EINVAL); 3632 3633 /* 3634 * Reuse the element if the handler is already on the list, otherwise 3635 * create a new element. 3636 */ 3637 sx_xlock(&linux_ioctl_sx); 3638 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3639 if (he->func == h->func) 3640 break; 3641 } 3642 if (he == NULL) { 3643 he = malloc(sizeof(*he), 3644 M_LINUX, M_WAITOK); 3645 he->func = h->func; 3646 } else 3647 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3648 3649 /* Initialize range information. */ 3650 he->low = h->low; 3651 he->high = h->high; 3652 he->span = h->high - h->low + 1; 3653 3654 /* Add the element to the list, sorted on span. */ 3655 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3656 if (cur->span > he->span) { 3657 TAILQ_INSERT_BEFORE(cur, he, list); 3658 sx_xunlock(&linux_ioctl_sx); 3659 return (0); 3660 } 3661 } 3662 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3663 sx_xunlock(&linux_ioctl_sx); 3664 3665 return (0); 3666 } 3667 3668 int 3669 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3670 { 3671 struct linux_ioctl_handler_element *he; 3672 3673 if (h == NULL || h->func == NULL) 3674 return (EINVAL); 3675 3676 sx_xlock(&linux_ioctl_sx); 3677 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3678 if (he->func == h->func) { 3679 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3680 sx_xunlock(&linux_ioctl_sx); 3681 free(he, M_LINUX); 3682 return (0); 3683 } 3684 } 3685 sx_xunlock(&linux_ioctl_sx); 3686 3687 return (EINVAL); 3688 } 3689 3690 #ifdef COMPAT_LINUX32 3691 int 3692 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3693 { 3694 struct linux_ioctl_handler_element *he, *cur; 3695 3696 if (h == NULL || h->func == NULL) 3697 return (EINVAL); 3698 3699 /* 3700 * Reuse the element if the handler is already on the list, otherwise 3701 * create a new element. 3702 */ 3703 sx_xlock(&linux_ioctl_sx); 3704 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3705 if (he->func == h->func) 3706 break; 3707 } 3708 if (he == NULL) { 3709 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3710 he->func = h->func; 3711 } else 3712 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3713 3714 /* Initialize range information. */ 3715 he->low = h->low; 3716 he->high = h->high; 3717 he->span = h->high - h->low + 1; 3718 3719 /* Add the element to the list, sorted on span. */ 3720 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3721 if (cur->span > he->span) { 3722 TAILQ_INSERT_BEFORE(cur, he, list); 3723 sx_xunlock(&linux_ioctl_sx); 3724 return (0); 3725 } 3726 } 3727 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3728 sx_xunlock(&linux_ioctl_sx); 3729 3730 return (0); 3731 } 3732 3733 int 3734 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3735 { 3736 struct linux_ioctl_handler_element *he; 3737 3738 if (h == NULL || h->func == NULL) 3739 return (EINVAL); 3740 3741 sx_xlock(&linux_ioctl_sx); 3742 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3743 if (he->func == h->func) { 3744 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3745 sx_xunlock(&linux_ioctl_sx); 3746 free(he, M_LINUX); 3747 return (0); 3748 } 3749 } 3750 sx_xunlock(&linux_ioctl_sx); 3751 3752 return (EINVAL); 3753 } 3754 #endif 3755