1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1994-1995 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/sysproto.h> 35 #ifdef COMPAT_LINUX32 36 #include <sys/abi_compat.h> 37 #endif 38 #include <sys/capsicum.h> 39 #include <sys/cdio.h> 40 #include <sys/dvdio.h> 41 #include <sys/conf.h> 42 #include <sys/disk.h> 43 #include <sys/consio.h> 44 #include <sys/ctype.h> 45 #include <sys/fcntl.h> 46 #include <sys/file.h> 47 #include <sys/filedesc.h> 48 #include <sys/filio.h> 49 #include <sys/jail.h> 50 #include <sys/kbio.h> 51 #include <sys/kcov.h> 52 #include <sys/kernel.h> 53 #include <sys/linker_set.h> 54 #include <sys/lock.h> 55 #include <sys/malloc.h> 56 #include <sys/proc.h> 57 #include <sys/sbuf.h> 58 #include <sys/socket.h> 59 #include <sys/sockio.h> 60 #include <sys/soundcard.h> 61 #include <sys/stdint.h> 62 #include <sys/sx.h> 63 #include <sys/sysctl.h> 64 #include <sys/tty.h> 65 #include <sys/uio.h> 66 #include <sys/types.h> 67 #include <sys/mman.h> 68 #include <sys/resourcevar.h> 69 70 #include <net/if.h> 71 #include <net/if_var.h> 72 #include <net/if_dl.h> 73 #include <net/if_types.h> 74 75 #include <dev/evdev/input.h> 76 #include <dev/usb/usb_ioctl.h> 77 78 #ifdef COMPAT_LINUX32 79 #include <machine/../linux32/linux.h> 80 #include <machine/../linux32/linux32_proto.h> 81 #else 82 #include <machine/../linux/linux.h> 83 #include <machine/../linux/linux_proto.h> 84 #endif 85 86 #include <compat/linux/linux_common.h> 87 #include <compat/linux/linux_ioctl.h> 88 #include <compat/linux/linux_mib.h> 89 #include <compat/linux/linux_socket.h> 90 #include <compat/linux/linux_timer.h> 91 #include <compat/linux/linux_util.h> 92 93 #include <contrib/v4l/videodev.h> 94 #include <compat/linux/linux_videodev_compat.h> 95 96 #include <contrib/v4l/videodev2.h> 97 #include <compat/linux/linux_videodev2_compat.h> 98 99 #include <cam/scsi/scsi_sg.h> 100 101 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 102 103 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \ 104 static linux_ioctl_function_t linux_ioctl_ ## shortname; \ 105 static struct linux_ioctl_handler shortname ## _handler = { \ 106 .func = linux_ioctl_ ## shortname, \ 107 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \ 108 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \ 109 }; \ 110 DATA_SET(linux_ioctl_handler_set, shortname ## _handler) 111 112 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM); 113 DEFINE_LINUX_IOCTL_SET(vfat, VFAT); 114 DEFINE_LINUX_IOCTL_SET(console, CONSOLE); 115 DEFINE_LINUX_IOCTL_SET(hdio, HDIO); 116 DEFINE_LINUX_IOCTL_SET(disk, DISK); 117 DEFINE_LINUX_IOCTL_SET(socket, SOCKET); 118 DEFINE_LINUX_IOCTL_SET(sound, SOUND); 119 DEFINE_LINUX_IOCTL_SET(termio, TERMIO); 120 DEFINE_LINUX_IOCTL_SET(private, PRIVATE); 121 DEFINE_LINUX_IOCTL_SET(drm, DRM); 122 DEFINE_LINUX_IOCTL_SET(sg, SG); 123 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO); 124 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2); 125 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB); 126 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV); 127 DEFINE_LINUX_IOCTL_SET(kcov, KCOV); 128 129 #undef DEFINE_LINUX_IOCTL_SET 130 131 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *); 132 133 /* 134 * Keep sorted by low. 135 */ 136 static struct linux_ioctl_handler linux_ioctls[] = { 137 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 138 .high = LINUX_IOCTL_TERMIO_MAX }, 139 }; 140 141 #ifdef __i386__ 142 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 143 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 144 static struct sx linux_ioctl_sx; 145 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 146 #else 147 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 148 extern struct sx linux_ioctl_sx; 149 #endif 150 #ifdef COMPAT_LINUX32 151 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 152 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 153 #endif 154 155 /* 156 * hdio related ioctls for VMWare support 157 */ 158 159 struct linux_hd_geometry { 160 uint8_t heads; 161 uint8_t sectors; 162 uint16_t cylinders; 163 uint32_t start; 164 }; 165 166 struct linux_hd_big_geometry { 167 uint8_t heads; 168 uint8_t sectors; 169 uint32_t cylinders; 170 uint32_t start; 171 }; 172 173 static int 174 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 175 { 176 struct file *fp; 177 int error; 178 u_int sectorsize, fwcylinders, fwheads, fwsectors; 179 off_t mediasize, bytespercyl; 180 181 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 182 if (error != 0) 183 return (error); 184 switch (args->cmd & 0xffff) { 185 case LINUX_HDIO_GET_GEO: 186 case LINUX_HDIO_GET_GEO_BIG: 187 error = fo_ioctl(fp, DIOCGMEDIASIZE, 188 (caddr_t)&mediasize, td->td_ucred, td); 189 if (!error) 190 error = fo_ioctl(fp, DIOCGSECTORSIZE, 191 (caddr_t)§orsize, td->td_ucred, td); 192 if (!error) 193 error = fo_ioctl(fp, DIOCGFWHEADS, 194 (caddr_t)&fwheads, td->td_ucred, td); 195 if (!error) 196 error = fo_ioctl(fp, DIOCGFWSECTORS, 197 (caddr_t)&fwsectors, td->td_ucred, td); 198 /* 199 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 200 * so pretend that GEOM always says 0. This is NOT VALID 201 * for slices or partitions, only the per-disk raw devices. 202 */ 203 204 fdrop(fp, td); 205 if (error) 206 return (error); 207 /* 208 * 1. Calculate the number of bytes in a cylinder, 209 * given the firmware's notion of heads and sectors 210 * per cylinder. 211 * 2. Calculate the number of cylinders, given the total 212 * size of the media. 213 * All internal calculations should have 64-bit precision. 214 */ 215 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 216 fwcylinders = mediasize / bytespercyl; 217 218 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 219 struct linux_hd_geometry hdg; 220 221 hdg.cylinders = fwcylinders; 222 hdg.heads = fwheads; 223 hdg.sectors = fwsectors; 224 hdg.start = 0; 225 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 226 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 227 struct linux_hd_big_geometry hdbg; 228 229 memset(&hdbg, 0, sizeof(hdbg)); 230 hdbg.cylinders = fwcylinders; 231 hdbg.heads = fwheads; 232 hdbg.sectors = fwsectors; 233 hdbg.start = 0; 234 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 235 } 236 return (error); 237 break; 238 default: 239 /* XXX */ 240 linux_msg(td, 241 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 242 __func__, args->fd, args->cmd, 243 (int)(args->cmd & 0xff00) >> 8, 244 (int)(args->cmd & 0xff)); 245 break; 246 } 247 fdrop(fp, td); 248 return (ENOIOCTL); 249 } 250 251 static int 252 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 253 { 254 struct file *fp; 255 int error; 256 u_int sectorsize, psectorsize; 257 uint64_t blksize64; 258 off_t mediasize, stripesize; 259 260 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 261 if (error != 0) 262 return (error); 263 switch (args->cmd & 0xffff) { 264 case LINUX_BLKGETSIZE: 265 error = fo_ioctl(fp, DIOCGSECTORSIZE, 266 (caddr_t)§orsize, td->td_ucred, td); 267 if (!error) 268 error = fo_ioctl(fp, DIOCGMEDIASIZE, 269 (caddr_t)&mediasize, td->td_ucred, td); 270 fdrop(fp, td); 271 if (error) 272 return (error); 273 sectorsize = mediasize / sectorsize; 274 /* 275 * XXX: How do we know we return the right size of integer ? 276 */ 277 return (copyout(§orsize, (void *)args->arg, 278 sizeof(sectorsize))); 279 break; 280 case LINUX_BLKGETSIZE64: 281 error = fo_ioctl(fp, DIOCGMEDIASIZE, 282 (caddr_t)&mediasize, td->td_ucred, td); 283 fdrop(fp, td); 284 if (error) 285 return (error); 286 blksize64 = mediasize; 287 return (copyout(&blksize64, (void *)args->arg, 288 sizeof(blksize64))); 289 case LINUX_BLKSSZGET: 290 error = fo_ioctl(fp, DIOCGSECTORSIZE, 291 (caddr_t)§orsize, td->td_ucred, td); 292 fdrop(fp, td); 293 if (error) 294 return (error); 295 return (copyout(§orsize, (void *)args->arg, 296 sizeof(sectorsize))); 297 break; 298 case LINUX_BLKPBSZGET: 299 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 300 (caddr_t)&stripesize, td->td_ucred, td); 301 if (error != 0) { 302 fdrop(fp, td); 303 return (error); 304 } 305 if (stripesize > 0 && stripesize <= 4096) { 306 psectorsize = stripesize; 307 } else { 308 error = fo_ioctl(fp, DIOCGSECTORSIZE, 309 (caddr_t)§orsize, td->td_ucred, td); 310 if (error != 0) { 311 fdrop(fp, td); 312 return (error); 313 } 314 psectorsize = sectorsize; 315 } 316 fdrop(fp, td); 317 return (copyout(&psectorsize, (void *)args->arg, 318 sizeof(psectorsize))); 319 } 320 fdrop(fp, td); 321 return (ENOIOCTL); 322 } 323 324 /* 325 * termio related ioctls 326 */ 327 328 struct linux_termio { 329 unsigned short c_iflag; 330 unsigned short c_oflag; 331 unsigned short c_cflag; 332 unsigned short c_lflag; 333 unsigned char c_line; 334 unsigned char c_cc[LINUX_NCC]; 335 }; 336 337 struct linux_termios { 338 unsigned int c_iflag; 339 unsigned int c_oflag; 340 unsigned int c_cflag; 341 unsigned int c_lflag; 342 unsigned char c_line; 343 unsigned char c_cc[LINUX_NCCS]; 344 }; 345 346 struct linux_winsize { 347 unsigned short ws_row, ws_col; 348 unsigned short ws_xpixel, ws_ypixel; 349 }; 350 351 struct speedtab { 352 int sp_speed; /* Speed. */ 353 int sp_code; /* Code. */ 354 }; 355 356 static struct speedtab sptab[] = { 357 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 358 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 359 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 360 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 361 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 362 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 363 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 364 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 365 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 366 {-1, -1 } 367 }; 368 369 struct linux_serial_struct { 370 int type; 371 int line; 372 int port; 373 int irq; 374 int flags; 375 int xmit_fifo_size; 376 int custom_divisor; 377 int baud_base; 378 unsigned short close_delay; 379 char reserved_char[2]; 380 int hub6; 381 unsigned short closing_wait; 382 unsigned short closing_wait2; 383 int reserved[4]; 384 }; 385 386 static int 387 linux_to_bsd_speed(int code, struct speedtab *table) 388 { 389 for ( ; table->sp_code != -1; table++) 390 if (table->sp_code == code) 391 return (table->sp_speed); 392 return (-1); 393 } 394 395 static int 396 bsd_to_linux_speed(int speed, struct speedtab *table) 397 { 398 for ( ; table->sp_speed != -1; table++) 399 if (table->sp_speed == speed) 400 return (table->sp_code); 401 return (-1); 402 } 403 404 static void 405 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 406 { 407 int i; 408 409 lios->c_iflag = 0; 410 if (bios->c_iflag & IGNBRK) 411 lios->c_iflag |= LINUX_IGNBRK; 412 if (bios->c_iflag & BRKINT) 413 lios->c_iflag |= LINUX_BRKINT; 414 if (bios->c_iflag & IGNPAR) 415 lios->c_iflag |= LINUX_IGNPAR; 416 if (bios->c_iflag & PARMRK) 417 lios->c_iflag |= LINUX_PARMRK; 418 if (bios->c_iflag & INPCK) 419 lios->c_iflag |= LINUX_INPCK; 420 if (bios->c_iflag & ISTRIP) 421 lios->c_iflag |= LINUX_ISTRIP; 422 if (bios->c_iflag & INLCR) 423 lios->c_iflag |= LINUX_INLCR; 424 if (bios->c_iflag & IGNCR) 425 lios->c_iflag |= LINUX_IGNCR; 426 if (bios->c_iflag & ICRNL) 427 lios->c_iflag |= LINUX_ICRNL; 428 if (bios->c_iflag & IXON) 429 lios->c_iflag |= LINUX_IXON; 430 if (bios->c_iflag & IXANY) 431 lios->c_iflag |= LINUX_IXANY; 432 if (bios->c_iflag & IXOFF) 433 lios->c_iflag |= LINUX_IXOFF; 434 if (bios->c_iflag & IMAXBEL) 435 lios->c_iflag |= LINUX_IMAXBEL; 436 437 lios->c_oflag = 0; 438 if (bios->c_oflag & OPOST) 439 lios->c_oflag |= LINUX_OPOST; 440 if (bios->c_oflag & ONLCR) 441 lios->c_oflag |= LINUX_ONLCR; 442 if (bios->c_oflag & TAB3) 443 lios->c_oflag |= LINUX_XTABS; 444 445 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 446 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 447 if (bios->c_cflag & CSTOPB) 448 lios->c_cflag |= LINUX_CSTOPB; 449 if (bios->c_cflag & CREAD) 450 lios->c_cflag |= LINUX_CREAD; 451 if (bios->c_cflag & PARENB) 452 lios->c_cflag |= LINUX_PARENB; 453 if (bios->c_cflag & PARODD) 454 lios->c_cflag |= LINUX_PARODD; 455 if (bios->c_cflag & HUPCL) 456 lios->c_cflag |= LINUX_HUPCL; 457 if (bios->c_cflag & CLOCAL) 458 lios->c_cflag |= LINUX_CLOCAL; 459 if (bios->c_cflag & CRTSCTS) 460 lios->c_cflag |= LINUX_CRTSCTS; 461 462 lios->c_lflag = 0; 463 if (bios->c_lflag & ISIG) 464 lios->c_lflag |= LINUX_ISIG; 465 if (bios->c_lflag & ICANON) 466 lios->c_lflag |= LINUX_ICANON; 467 if (bios->c_lflag & ECHO) 468 lios->c_lflag |= LINUX_ECHO; 469 if (bios->c_lflag & ECHOE) 470 lios->c_lflag |= LINUX_ECHOE; 471 if (bios->c_lflag & ECHOK) 472 lios->c_lflag |= LINUX_ECHOK; 473 if (bios->c_lflag & ECHONL) 474 lios->c_lflag |= LINUX_ECHONL; 475 if (bios->c_lflag & NOFLSH) 476 lios->c_lflag |= LINUX_NOFLSH; 477 if (bios->c_lflag & TOSTOP) 478 lios->c_lflag |= LINUX_TOSTOP; 479 if (bios->c_lflag & ECHOCTL) 480 lios->c_lflag |= LINUX_ECHOCTL; 481 if (bios->c_lflag & ECHOPRT) 482 lios->c_lflag |= LINUX_ECHOPRT; 483 if (bios->c_lflag & ECHOKE) 484 lios->c_lflag |= LINUX_ECHOKE; 485 if (bios->c_lflag & FLUSHO) 486 lios->c_lflag |= LINUX_FLUSHO; 487 if (bios->c_lflag & PENDIN) 488 lios->c_lflag |= LINUX_PENDIN; 489 if (bios->c_lflag & IEXTEN) 490 lios->c_lflag |= LINUX_IEXTEN; 491 492 for (i=0; i<LINUX_NCCS; i++) 493 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 494 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 495 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 496 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 497 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 498 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 499 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 500 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 501 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 502 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 503 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 504 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 505 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 506 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 507 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 508 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 509 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 510 if (linux_preserve_vstatus) 511 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 512 513 for (i=0; i<LINUX_NCCS; i++) { 514 if (i != LINUX_VMIN && i != LINUX_VTIME && 515 lios->c_cc[i] == _POSIX_VDISABLE) 516 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 517 } 518 lios->c_line = 0; 519 } 520 521 static void 522 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 523 { 524 int i; 525 526 bios->c_iflag = 0; 527 if (lios->c_iflag & LINUX_IGNBRK) 528 bios->c_iflag |= IGNBRK; 529 if (lios->c_iflag & LINUX_BRKINT) 530 bios->c_iflag |= BRKINT; 531 if (lios->c_iflag & LINUX_IGNPAR) 532 bios->c_iflag |= IGNPAR; 533 if (lios->c_iflag & LINUX_PARMRK) 534 bios->c_iflag |= PARMRK; 535 if (lios->c_iflag & LINUX_INPCK) 536 bios->c_iflag |= INPCK; 537 if (lios->c_iflag & LINUX_ISTRIP) 538 bios->c_iflag |= ISTRIP; 539 if (lios->c_iflag & LINUX_INLCR) 540 bios->c_iflag |= INLCR; 541 if (lios->c_iflag & LINUX_IGNCR) 542 bios->c_iflag |= IGNCR; 543 if (lios->c_iflag & LINUX_ICRNL) 544 bios->c_iflag |= ICRNL; 545 if (lios->c_iflag & LINUX_IXON) 546 bios->c_iflag |= IXON; 547 if (lios->c_iflag & LINUX_IXANY) 548 bios->c_iflag |= IXANY; 549 if (lios->c_iflag & LINUX_IXOFF) 550 bios->c_iflag |= IXOFF; 551 if (lios->c_iflag & LINUX_IMAXBEL) 552 bios->c_iflag |= IMAXBEL; 553 554 bios->c_oflag = 0; 555 if (lios->c_oflag & LINUX_OPOST) 556 bios->c_oflag |= OPOST; 557 if (lios->c_oflag & LINUX_ONLCR) 558 bios->c_oflag |= ONLCR; 559 if (lios->c_oflag & LINUX_XTABS) 560 bios->c_oflag |= TAB3; 561 562 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 563 if (lios->c_cflag & LINUX_CSTOPB) 564 bios->c_cflag |= CSTOPB; 565 if (lios->c_cflag & LINUX_CREAD) 566 bios->c_cflag |= CREAD; 567 if (lios->c_cflag & LINUX_PARENB) 568 bios->c_cflag |= PARENB; 569 if (lios->c_cflag & LINUX_PARODD) 570 bios->c_cflag |= PARODD; 571 if (lios->c_cflag & LINUX_HUPCL) 572 bios->c_cflag |= HUPCL; 573 if (lios->c_cflag & LINUX_CLOCAL) 574 bios->c_cflag |= CLOCAL; 575 if (lios->c_cflag & LINUX_CRTSCTS) 576 bios->c_cflag |= CRTSCTS; 577 578 bios->c_lflag = 0; 579 if (lios->c_lflag & LINUX_ISIG) 580 bios->c_lflag |= ISIG; 581 if (lios->c_lflag & LINUX_ICANON) 582 bios->c_lflag |= ICANON; 583 if (lios->c_lflag & LINUX_ECHO) 584 bios->c_lflag |= ECHO; 585 if (lios->c_lflag & LINUX_ECHOE) 586 bios->c_lflag |= ECHOE; 587 if (lios->c_lflag & LINUX_ECHOK) 588 bios->c_lflag |= ECHOK; 589 if (lios->c_lflag & LINUX_ECHONL) 590 bios->c_lflag |= ECHONL; 591 if (lios->c_lflag & LINUX_NOFLSH) 592 bios->c_lflag |= NOFLSH; 593 if (lios->c_lflag & LINUX_TOSTOP) 594 bios->c_lflag |= TOSTOP; 595 if (lios->c_lflag & LINUX_ECHOCTL) 596 bios->c_lflag |= ECHOCTL; 597 if (lios->c_lflag & LINUX_ECHOPRT) 598 bios->c_lflag |= ECHOPRT; 599 if (lios->c_lflag & LINUX_ECHOKE) 600 bios->c_lflag |= ECHOKE; 601 if (lios->c_lflag & LINUX_FLUSHO) 602 bios->c_lflag |= FLUSHO; 603 if (lios->c_lflag & LINUX_PENDIN) 604 bios->c_lflag |= PENDIN; 605 if (lios->c_lflag & LINUX_IEXTEN) 606 bios->c_lflag |= IEXTEN; 607 608 for (i=0; i<NCCS; i++) 609 bios->c_cc[i] = _POSIX_VDISABLE; 610 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 611 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 612 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 613 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 614 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 615 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 616 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 617 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 618 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 619 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 620 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 621 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 622 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 623 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 624 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 625 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 626 if (linux_preserve_vstatus) 627 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 628 629 for (i=0; i<NCCS; i++) { 630 if (i != VMIN && i != VTIME && 631 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 632 bios->c_cc[i] = _POSIX_VDISABLE; 633 } 634 635 bios->c_ispeed = bios->c_ospeed = 636 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 637 } 638 639 static void 640 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 641 { 642 struct linux_termios lios; 643 644 memset(lio, 0, sizeof(*lio)); 645 bsd_to_linux_termios(bios, &lios); 646 lio->c_iflag = lios.c_iflag; 647 lio->c_oflag = lios.c_oflag; 648 lio->c_cflag = lios.c_cflag; 649 lio->c_lflag = lios.c_lflag; 650 lio->c_line = lios.c_line; 651 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 652 } 653 654 static void 655 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 656 { 657 struct linux_termios lios; 658 int i; 659 660 lios.c_iflag = lio->c_iflag; 661 lios.c_oflag = lio->c_oflag; 662 lios.c_cflag = lio->c_cflag; 663 lios.c_lflag = lio->c_lflag; 664 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 665 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 666 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 667 linux_to_bsd_termios(&lios, bios); 668 } 669 670 static int 671 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 672 { 673 struct termios bios; 674 struct linux_termios lios; 675 struct linux_termio lio; 676 struct file *fp; 677 int error; 678 679 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 680 if (error != 0) 681 return (error); 682 683 switch (args->cmd & 0xffff) { 684 case LINUX_TCGETS: 685 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 686 td); 687 if (error) 688 break; 689 bsd_to_linux_termios(&bios, &lios); 690 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 691 break; 692 693 case LINUX_TCSETS: 694 error = copyin((void *)args->arg, &lios, sizeof(lios)); 695 if (error) 696 break; 697 linux_to_bsd_termios(&lios, &bios); 698 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 699 td)); 700 break; 701 702 case LINUX_TCSETSW: 703 error = copyin((void *)args->arg, &lios, sizeof(lios)); 704 if (error) 705 break; 706 linux_to_bsd_termios(&lios, &bios); 707 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 708 td)); 709 break; 710 711 case LINUX_TCSETSF: 712 error = copyin((void *)args->arg, &lios, sizeof(lios)); 713 if (error) 714 break; 715 linux_to_bsd_termios(&lios, &bios); 716 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 717 td)); 718 break; 719 720 case LINUX_TCGETA: 721 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 722 td); 723 if (error) 724 break; 725 bsd_to_linux_termio(&bios, &lio); 726 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 727 break; 728 729 case LINUX_TCSETA: 730 error = copyin((void *)args->arg, &lio, sizeof(lio)); 731 if (error) 732 break; 733 linux_to_bsd_termio(&lio, &bios); 734 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 735 td)); 736 break; 737 738 case LINUX_TCSETAW: 739 error = copyin((void *)args->arg, &lio, sizeof(lio)); 740 if (error) 741 break; 742 linux_to_bsd_termio(&lio, &bios); 743 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 744 td)); 745 break; 746 747 case LINUX_TCSETAF: 748 error = copyin((void *)args->arg, &lio, sizeof(lio)); 749 if (error) 750 break; 751 linux_to_bsd_termio(&lio, &bios); 752 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 753 td)); 754 break; 755 756 case LINUX_TCSBRK: 757 if (args->arg != 0) { 758 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred, 759 td)); 760 } else { 761 linux_msg(td, "ioctl TCSBRK arg 0 not implemented"); 762 error = ENOIOCTL; 763 } 764 break; 765 766 case LINUX_TCXONC: { 767 switch (args->arg) { 768 case LINUX_TCOOFF: 769 args->cmd = TIOCSTOP; 770 break; 771 case LINUX_TCOON: 772 args->cmd = TIOCSTART; 773 break; 774 case LINUX_TCIOFF: 775 case LINUX_TCION: { 776 int c; 777 struct write_args wr; 778 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 779 td->td_ucred, td); 780 if (error) 781 break; 782 fdrop(fp, td); 783 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 784 c = bios.c_cc[c]; 785 if (c != _POSIX_VDISABLE) { 786 wr.fd = args->fd; 787 wr.buf = &c; 788 wr.nbyte = sizeof(c); 789 return (sys_write(td, &wr)); 790 } else 791 return (0); 792 } 793 default: 794 fdrop(fp, td); 795 return (EINVAL); 796 } 797 args->arg = 0; 798 error = (sys_ioctl(td, (struct ioctl_args *)args)); 799 break; 800 } 801 802 case LINUX_TCFLSH: { 803 int val; 804 switch (args->arg) { 805 case LINUX_TCIFLUSH: 806 val = FREAD; 807 break; 808 case LINUX_TCOFLUSH: 809 val = FWRITE; 810 break; 811 case LINUX_TCIOFLUSH: 812 val = FREAD | FWRITE; 813 break; 814 default: 815 fdrop(fp, td); 816 return (EINVAL); 817 } 818 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 819 break; 820 } 821 822 case LINUX_TIOCEXCL: 823 args->cmd = TIOCEXCL; 824 error = (sys_ioctl(td, (struct ioctl_args *)args)); 825 break; 826 827 case LINUX_TIOCNXCL: 828 args->cmd = TIOCNXCL; 829 error = (sys_ioctl(td, (struct ioctl_args *)args)); 830 break; 831 832 case LINUX_TIOCSCTTY: 833 args->cmd = TIOCSCTTY; 834 error = (sys_ioctl(td, (struct ioctl_args *)args)); 835 break; 836 837 case LINUX_TIOCGPGRP: 838 args->cmd = TIOCGPGRP; 839 error = (sys_ioctl(td, (struct ioctl_args *)args)); 840 break; 841 842 case LINUX_TIOCSPGRP: 843 args->cmd = TIOCSPGRP; 844 error = (sys_ioctl(td, (struct ioctl_args *)args)); 845 break; 846 847 /* LINUX_TIOCOUTQ */ 848 /* LINUX_TIOCSTI */ 849 850 case LINUX_TIOCGWINSZ: 851 args->cmd = TIOCGWINSZ; 852 error = (sys_ioctl(td, (struct ioctl_args *)args)); 853 break; 854 855 case LINUX_TIOCSWINSZ: 856 args->cmd = TIOCSWINSZ; 857 error = (sys_ioctl(td, (struct ioctl_args *)args)); 858 break; 859 860 case LINUX_TIOCMGET: 861 args->cmd = TIOCMGET; 862 error = (sys_ioctl(td, (struct ioctl_args *)args)); 863 break; 864 865 case LINUX_TIOCMBIS: 866 args->cmd = TIOCMBIS; 867 error = (sys_ioctl(td, (struct ioctl_args *)args)); 868 break; 869 870 case LINUX_TIOCMBIC: 871 args->cmd = TIOCMBIC; 872 error = (sys_ioctl(td, (struct ioctl_args *)args)); 873 break; 874 875 case LINUX_TIOCMSET: 876 args->cmd = TIOCMSET; 877 error = (sys_ioctl(td, (struct ioctl_args *)args)); 878 break; 879 880 /* TIOCGSOFTCAR */ 881 /* TIOCSSOFTCAR */ 882 883 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 884 args->cmd = FIONREAD; 885 error = (sys_ioctl(td, (struct ioctl_args *)args)); 886 break; 887 888 /* LINUX_TIOCLINUX */ 889 890 case LINUX_TIOCCONS: 891 args->cmd = TIOCCONS; 892 error = (sys_ioctl(td, (struct ioctl_args *)args)); 893 break; 894 895 case LINUX_TIOCGSERIAL: { 896 struct linux_serial_struct lss; 897 898 bzero(&lss, sizeof(lss)); 899 lss.type = LINUX_PORT_16550A; 900 lss.flags = 0; 901 lss.close_delay = 0; 902 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 903 break; 904 } 905 906 case LINUX_TIOCSSERIAL: { 907 struct linux_serial_struct lss; 908 error = copyin((void *)args->arg, &lss, sizeof(lss)); 909 if (error) 910 break; 911 /* XXX - It really helps to have an implementation that 912 * does nothing. NOT! 913 */ 914 error = 0; 915 break; 916 } 917 918 case LINUX_TIOCPKT: 919 args->cmd = TIOCPKT; 920 error = (sys_ioctl(td, (struct ioctl_args *)args)); 921 break; 922 923 case LINUX_FIONBIO: 924 args->cmd = FIONBIO; 925 error = (sys_ioctl(td, (struct ioctl_args *)args)); 926 break; 927 928 case LINUX_TIOCNOTTY: 929 args->cmd = TIOCNOTTY; 930 error = (sys_ioctl(td, (struct ioctl_args *)args)); 931 break; 932 933 case LINUX_TIOCSETD: { 934 int line; 935 switch (args->arg) { 936 case LINUX_N_TTY: 937 line = TTYDISC; 938 break; 939 case LINUX_N_SLIP: 940 line = SLIPDISC; 941 break; 942 case LINUX_N_PPP: 943 line = PPPDISC; 944 break; 945 default: 946 fdrop(fp, td); 947 return (EINVAL); 948 } 949 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 950 td)); 951 break; 952 } 953 954 case LINUX_TIOCGETD: { 955 int linux_line; 956 int bsd_line = TTYDISC; 957 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 958 td->td_ucred, td); 959 if (error) 960 break; 961 switch (bsd_line) { 962 case TTYDISC: 963 linux_line = LINUX_N_TTY; 964 break; 965 case SLIPDISC: 966 linux_line = LINUX_N_SLIP; 967 break; 968 case PPPDISC: 969 linux_line = LINUX_N_PPP; 970 break; 971 default: 972 fdrop(fp, td); 973 return (EINVAL); 974 } 975 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 976 break; 977 } 978 979 /* LINUX_TCSBRKP */ 980 /* LINUX_TIOCTTYGSTRUCT */ 981 982 case LINUX_FIONCLEX: 983 args->cmd = FIONCLEX; 984 error = (sys_ioctl(td, (struct ioctl_args *)args)); 985 break; 986 987 case LINUX_FIOCLEX: 988 args->cmd = FIOCLEX; 989 error = (sys_ioctl(td, (struct ioctl_args *)args)); 990 break; 991 992 case LINUX_FIOASYNC: 993 args->cmd = FIOASYNC; 994 error = (sys_ioctl(td, (struct ioctl_args *)args)); 995 break; 996 997 /* LINUX_TIOCSERCONFIG */ 998 /* LINUX_TIOCSERGWILD */ 999 /* LINUX_TIOCSERSWILD */ 1000 /* LINUX_TIOCGLCKTRMIOS */ 1001 /* LINUX_TIOCSLCKTRMIOS */ 1002 1003 case LINUX_TIOCSBRK: 1004 args->cmd = TIOCSBRK; 1005 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1006 break; 1007 1008 case LINUX_TIOCCBRK: 1009 args->cmd = TIOCCBRK; 1010 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1011 break; 1012 case LINUX_TIOCGPTN: { 1013 int nb; 1014 1015 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1016 if (!error) 1017 error = copyout(&nb, (void *)args->arg, 1018 sizeof(int)); 1019 break; 1020 } 1021 case LINUX_TIOCGPTPEER: 1022 linux_msg(td, "unsupported ioctl TIOCGPTPEER"); 1023 error = ENOIOCTL; 1024 break; 1025 case LINUX_TIOCSPTLCK: 1026 /* Our unlockpt() does nothing. */ 1027 error = 0; 1028 break; 1029 default: 1030 error = ENOIOCTL; 1031 break; 1032 } 1033 1034 fdrop(fp, td); 1035 return (error); 1036 } 1037 1038 /* 1039 * CDROM related ioctls 1040 */ 1041 1042 struct linux_cdrom_msf 1043 { 1044 u_char cdmsf_min0; 1045 u_char cdmsf_sec0; 1046 u_char cdmsf_frame0; 1047 u_char cdmsf_min1; 1048 u_char cdmsf_sec1; 1049 u_char cdmsf_frame1; 1050 }; 1051 1052 struct linux_cdrom_tochdr 1053 { 1054 u_char cdth_trk0; 1055 u_char cdth_trk1; 1056 }; 1057 1058 union linux_cdrom_addr 1059 { 1060 struct { 1061 u_char minute; 1062 u_char second; 1063 u_char frame; 1064 } msf; 1065 int lba; 1066 }; 1067 1068 struct linux_cdrom_tocentry 1069 { 1070 u_char cdte_track; 1071 u_char cdte_adr:4; 1072 u_char cdte_ctrl:4; 1073 u_char cdte_format; 1074 union linux_cdrom_addr cdte_addr; 1075 u_char cdte_datamode; 1076 }; 1077 1078 struct linux_cdrom_subchnl 1079 { 1080 u_char cdsc_format; 1081 u_char cdsc_audiostatus; 1082 u_char cdsc_adr:4; 1083 u_char cdsc_ctrl:4; 1084 u_char cdsc_trk; 1085 u_char cdsc_ind; 1086 union linux_cdrom_addr cdsc_absaddr; 1087 union linux_cdrom_addr cdsc_reladdr; 1088 }; 1089 1090 struct l_cdrom_read_audio { 1091 union linux_cdrom_addr addr; 1092 u_char addr_format; 1093 l_int nframes; 1094 u_char *buf; 1095 }; 1096 1097 struct l_dvd_layer { 1098 u_char book_version:4; 1099 u_char book_type:4; 1100 u_char min_rate:4; 1101 u_char disc_size:4; 1102 u_char layer_type:4; 1103 u_char track_path:1; 1104 u_char nlayers:2; 1105 u_char track_density:4; 1106 u_char linear_density:4; 1107 u_char bca:1; 1108 uint32_t start_sector; 1109 uint32_t end_sector; 1110 uint32_t end_sector_l0; 1111 }; 1112 1113 struct l_dvd_physical { 1114 u_char type; 1115 u_char layer_num; 1116 struct l_dvd_layer layer[4]; 1117 }; 1118 1119 struct l_dvd_copyright { 1120 u_char type; 1121 u_char layer_num; 1122 u_char cpst; 1123 u_char rmi; 1124 }; 1125 1126 struct l_dvd_disckey { 1127 u_char type; 1128 l_uint agid:2; 1129 u_char value[2048]; 1130 }; 1131 1132 struct l_dvd_bca { 1133 u_char type; 1134 l_int len; 1135 u_char value[188]; 1136 }; 1137 1138 struct l_dvd_manufact { 1139 u_char type; 1140 u_char layer_num; 1141 l_int len; 1142 u_char value[2048]; 1143 }; 1144 1145 typedef union { 1146 u_char type; 1147 struct l_dvd_physical physical; 1148 struct l_dvd_copyright copyright; 1149 struct l_dvd_disckey disckey; 1150 struct l_dvd_bca bca; 1151 struct l_dvd_manufact manufact; 1152 } l_dvd_struct; 1153 1154 typedef u_char l_dvd_key[5]; 1155 typedef u_char l_dvd_challenge[10]; 1156 1157 struct l_dvd_lu_send_agid { 1158 u_char type; 1159 l_uint agid:2; 1160 }; 1161 1162 struct l_dvd_host_send_challenge { 1163 u_char type; 1164 l_uint agid:2; 1165 l_dvd_challenge chal; 1166 }; 1167 1168 struct l_dvd_send_key { 1169 u_char type; 1170 l_uint agid:2; 1171 l_dvd_key key; 1172 }; 1173 1174 struct l_dvd_lu_send_challenge { 1175 u_char type; 1176 l_uint agid:2; 1177 l_dvd_challenge chal; 1178 }; 1179 1180 struct l_dvd_lu_send_title_key { 1181 u_char type; 1182 l_uint agid:2; 1183 l_dvd_key title_key; 1184 l_int lba; 1185 l_uint cpm:1; 1186 l_uint cp_sec:1; 1187 l_uint cgms:2; 1188 }; 1189 1190 struct l_dvd_lu_send_asf { 1191 u_char type; 1192 l_uint agid:2; 1193 l_uint asf:1; 1194 }; 1195 1196 struct l_dvd_host_send_rpcstate { 1197 u_char type; 1198 u_char pdrc; 1199 }; 1200 1201 struct l_dvd_lu_send_rpcstate { 1202 u_char type:2; 1203 u_char vra:3; 1204 u_char ucca:3; 1205 u_char region_mask; 1206 u_char rpc_scheme; 1207 }; 1208 1209 typedef union { 1210 u_char type; 1211 struct l_dvd_lu_send_agid lsa; 1212 struct l_dvd_host_send_challenge hsc; 1213 struct l_dvd_send_key lsk; 1214 struct l_dvd_lu_send_challenge lsc; 1215 struct l_dvd_send_key hsk; 1216 struct l_dvd_lu_send_title_key lstk; 1217 struct l_dvd_lu_send_asf lsasf; 1218 struct l_dvd_host_send_rpcstate hrpcs; 1219 struct l_dvd_lu_send_rpcstate lrpcs; 1220 } l_dvd_authinfo; 1221 1222 static void 1223 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1224 { 1225 if (af == CD_LBA_FORMAT) 1226 lp->lba = bp->lba; 1227 else { 1228 lp->msf.minute = bp->msf.minute; 1229 lp->msf.second = bp->msf.second; 1230 lp->msf.frame = bp->msf.frame; 1231 } 1232 } 1233 1234 static void 1235 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1236 { 1237 if (format == LINUX_CDROM_MSF) { 1238 addr->msf.frame = lba % 75; 1239 lba /= 75; 1240 lba += 2; 1241 addr->msf.second = lba % 60; 1242 addr->msf.minute = lba / 60; 1243 } else 1244 addr->lba = lba; 1245 } 1246 1247 static int 1248 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1249 { 1250 bp->format = lp->type; 1251 switch (bp->format) { 1252 case DVD_STRUCT_PHYSICAL: 1253 if (bp->layer_num >= 4) 1254 return (EINVAL); 1255 bp->layer_num = lp->physical.layer_num; 1256 break; 1257 case DVD_STRUCT_COPYRIGHT: 1258 bp->layer_num = lp->copyright.layer_num; 1259 break; 1260 case DVD_STRUCT_DISCKEY: 1261 bp->agid = lp->disckey.agid; 1262 break; 1263 case DVD_STRUCT_BCA: 1264 case DVD_STRUCT_MANUFACT: 1265 break; 1266 default: 1267 return (EINVAL); 1268 } 1269 return (0); 1270 } 1271 1272 static int 1273 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1274 { 1275 switch (bp->format) { 1276 case DVD_STRUCT_PHYSICAL: { 1277 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1278 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1279 memset(llp, 0, sizeof(*llp)); 1280 llp->book_version = blp->book_version; 1281 llp->book_type = blp->book_type; 1282 llp->min_rate = blp->max_rate; 1283 llp->disc_size = blp->disc_size; 1284 llp->layer_type = blp->layer_type; 1285 llp->track_path = blp->track_path; 1286 llp->nlayers = blp->nlayers; 1287 llp->track_density = blp->track_density; 1288 llp->linear_density = blp->linear_density; 1289 llp->bca = blp->bca; 1290 llp->start_sector = blp->start_sector; 1291 llp->end_sector = blp->end_sector; 1292 llp->end_sector_l0 = blp->end_sector_l0; 1293 break; 1294 } 1295 case DVD_STRUCT_COPYRIGHT: 1296 lp->copyright.cpst = bp->cpst; 1297 lp->copyright.rmi = bp->rmi; 1298 break; 1299 case DVD_STRUCT_DISCKEY: 1300 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1301 break; 1302 case DVD_STRUCT_BCA: 1303 lp->bca.len = bp->length; 1304 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1305 break; 1306 case DVD_STRUCT_MANUFACT: 1307 lp->manufact.len = bp->length; 1308 memcpy(lp->manufact.value, bp->data, 1309 sizeof(lp->manufact.value)); 1310 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1311 break; 1312 default: 1313 return (EINVAL); 1314 } 1315 return (0); 1316 } 1317 1318 static int 1319 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1320 struct dvd_authinfo *bp) 1321 { 1322 switch (lp->type) { 1323 case LINUX_DVD_LU_SEND_AGID: 1324 *bcode = DVDIOCREPORTKEY; 1325 bp->format = DVD_REPORT_AGID; 1326 bp->agid = lp->lsa.agid; 1327 break; 1328 case LINUX_DVD_HOST_SEND_CHALLENGE: 1329 *bcode = DVDIOCSENDKEY; 1330 bp->format = DVD_SEND_CHALLENGE; 1331 bp->agid = lp->hsc.agid; 1332 memcpy(bp->keychal, lp->hsc.chal, 10); 1333 break; 1334 case LINUX_DVD_LU_SEND_KEY1: 1335 *bcode = DVDIOCREPORTKEY; 1336 bp->format = DVD_REPORT_KEY1; 1337 bp->agid = lp->lsk.agid; 1338 break; 1339 case LINUX_DVD_LU_SEND_CHALLENGE: 1340 *bcode = DVDIOCREPORTKEY; 1341 bp->format = DVD_REPORT_CHALLENGE; 1342 bp->agid = lp->lsc.agid; 1343 break; 1344 case LINUX_DVD_HOST_SEND_KEY2: 1345 *bcode = DVDIOCSENDKEY; 1346 bp->format = DVD_SEND_KEY2; 1347 bp->agid = lp->hsk.agid; 1348 memcpy(bp->keychal, lp->hsk.key, 5); 1349 break; 1350 case LINUX_DVD_LU_SEND_TITLE_KEY: 1351 *bcode = DVDIOCREPORTKEY; 1352 bp->format = DVD_REPORT_TITLE_KEY; 1353 bp->agid = lp->lstk.agid; 1354 bp->lba = lp->lstk.lba; 1355 break; 1356 case LINUX_DVD_LU_SEND_ASF: 1357 *bcode = DVDIOCREPORTKEY; 1358 bp->format = DVD_REPORT_ASF; 1359 bp->agid = lp->lsasf.agid; 1360 break; 1361 case LINUX_DVD_INVALIDATE_AGID: 1362 *bcode = DVDIOCREPORTKEY; 1363 bp->format = DVD_INVALIDATE_AGID; 1364 bp->agid = lp->lsa.agid; 1365 break; 1366 case LINUX_DVD_LU_SEND_RPC_STATE: 1367 *bcode = DVDIOCREPORTKEY; 1368 bp->format = DVD_REPORT_RPC; 1369 break; 1370 case LINUX_DVD_HOST_SEND_RPC_STATE: 1371 *bcode = DVDIOCSENDKEY; 1372 bp->format = DVD_SEND_RPC; 1373 bp->region = lp->hrpcs.pdrc; 1374 break; 1375 default: 1376 return (EINVAL); 1377 } 1378 return (0); 1379 } 1380 1381 static int 1382 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1383 { 1384 switch (lp->type) { 1385 case LINUX_DVD_LU_SEND_AGID: 1386 lp->lsa.agid = bp->agid; 1387 break; 1388 case LINUX_DVD_HOST_SEND_CHALLENGE: 1389 lp->type = LINUX_DVD_LU_SEND_KEY1; 1390 break; 1391 case LINUX_DVD_LU_SEND_KEY1: 1392 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1393 break; 1394 case LINUX_DVD_LU_SEND_CHALLENGE: 1395 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1396 break; 1397 case LINUX_DVD_HOST_SEND_KEY2: 1398 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1399 break; 1400 case LINUX_DVD_LU_SEND_TITLE_KEY: 1401 memcpy(lp->lstk.title_key, bp->keychal, 1402 sizeof(lp->lstk.title_key)); 1403 lp->lstk.cpm = bp->cpm; 1404 lp->lstk.cp_sec = bp->cp_sec; 1405 lp->lstk.cgms = bp->cgms; 1406 break; 1407 case LINUX_DVD_LU_SEND_ASF: 1408 lp->lsasf.asf = bp->asf; 1409 break; 1410 case LINUX_DVD_INVALIDATE_AGID: 1411 break; 1412 case LINUX_DVD_LU_SEND_RPC_STATE: 1413 lp->lrpcs.type = bp->reg_type; 1414 lp->lrpcs.vra = bp->vend_rsts; 1415 lp->lrpcs.ucca = bp->user_rsts; 1416 lp->lrpcs.region_mask = bp->region; 1417 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1418 break; 1419 case LINUX_DVD_HOST_SEND_RPC_STATE: 1420 break; 1421 default: 1422 return (EINVAL); 1423 } 1424 return (0); 1425 } 1426 1427 static int 1428 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1429 { 1430 struct file *fp; 1431 int error; 1432 1433 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1434 if (error != 0) 1435 return (error); 1436 switch (args->cmd & 0xffff) { 1437 case LINUX_CDROMPAUSE: 1438 args->cmd = CDIOCPAUSE; 1439 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1440 break; 1441 1442 case LINUX_CDROMRESUME: 1443 args->cmd = CDIOCRESUME; 1444 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1445 break; 1446 1447 case LINUX_CDROMPLAYMSF: 1448 args->cmd = CDIOCPLAYMSF; 1449 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1450 break; 1451 1452 case LINUX_CDROMPLAYTRKIND: 1453 args->cmd = CDIOCPLAYTRACKS; 1454 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1455 break; 1456 1457 case LINUX_CDROMREADTOCHDR: { 1458 struct ioc_toc_header th; 1459 struct linux_cdrom_tochdr lth; 1460 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1461 td->td_ucred, td); 1462 if (!error) { 1463 lth.cdth_trk0 = th.starting_track; 1464 lth.cdth_trk1 = th.ending_track; 1465 copyout(<h, (void *)args->arg, sizeof(lth)); 1466 } 1467 break; 1468 } 1469 1470 case LINUX_CDROMREADTOCENTRY: { 1471 struct linux_cdrom_tocentry lte; 1472 struct ioc_read_toc_single_entry irtse; 1473 1474 error = copyin((void *)args->arg, <e, sizeof(lte)); 1475 if (error) 1476 break; 1477 irtse.address_format = lte.cdte_format; 1478 irtse.track = lte.cdte_track; 1479 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1480 td->td_ucred, td); 1481 if (!error) { 1482 lte.cdte_ctrl = irtse.entry.control; 1483 lte.cdte_adr = irtse.entry.addr_type; 1484 bsd_to_linux_msf_lba(irtse.address_format, 1485 &irtse.entry.addr, <e.cdte_addr); 1486 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1487 } 1488 break; 1489 } 1490 1491 case LINUX_CDROMSTOP: 1492 args->cmd = CDIOCSTOP; 1493 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1494 break; 1495 1496 case LINUX_CDROMSTART: 1497 args->cmd = CDIOCSTART; 1498 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1499 break; 1500 1501 case LINUX_CDROMEJECT: 1502 args->cmd = CDIOCEJECT; 1503 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1504 break; 1505 1506 /* LINUX_CDROMVOLCTRL */ 1507 1508 case LINUX_CDROMSUBCHNL: { 1509 struct linux_cdrom_subchnl sc; 1510 struct ioc_read_subchannel bsdsc; 1511 struct cd_sub_channel_info bsdinfo; 1512 1513 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1514 if (error) 1515 break; 1516 1517 /* 1518 * Invoke the native ioctl and bounce the returned data through 1519 * the userspace buffer. This works because the Linux structure 1520 * is the same size as our structures for the subchannel header 1521 * and position data. 1522 */ 1523 bsdsc.address_format = CD_LBA_FORMAT; 1524 bsdsc.data_format = CD_CURRENT_POSITION; 1525 bsdsc.track = 0; 1526 bsdsc.data_len = sizeof(sc); 1527 bsdsc.data = (void *)args->arg; 1528 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1529 td->td_ucred, td); 1530 if (error) 1531 break; 1532 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1533 if (error) 1534 break; 1535 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1536 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1537 sc.cdsc_ctrl = bsdinfo.what.position.control; 1538 sc.cdsc_trk = bsdinfo.what.position.track_number; 1539 sc.cdsc_ind = bsdinfo.what.position.index_number; 1540 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1541 bsdinfo.what.position.absaddr.lba); 1542 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1543 bsdinfo.what.position.reladdr.lba); 1544 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1545 break; 1546 } 1547 1548 /* LINUX_CDROMREADMODE2 */ 1549 /* LINUX_CDROMREADMODE1 */ 1550 /* LINUX_CDROMREADAUDIO */ 1551 /* LINUX_CDROMEJECT_SW */ 1552 /* LINUX_CDROMMULTISESSION */ 1553 /* LINUX_CDROM_GET_UPC */ 1554 1555 case LINUX_CDROMRESET: 1556 args->cmd = CDIOCRESET; 1557 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1558 break; 1559 1560 /* LINUX_CDROMVOLREAD */ 1561 /* LINUX_CDROMREADRAW */ 1562 /* LINUX_CDROMREADCOOKED */ 1563 /* LINUX_CDROMSEEK */ 1564 /* LINUX_CDROMPLAYBLK */ 1565 /* LINUX_CDROMREADALL */ 1566 /* LINUX_CDROMCLOSETRAY */ 1567 /* LINUX_CDROMLOADFROMSLOT */ 1568 /* LINUX_CDROMGETSPINDOWN */ 1569 /* LINUX_CDROMSETSPINDOWN */ 1570 /* LINUX_CDROM_SET_OPTIONS */ 1571 /* LINUX_CDROM_CLEAR_OPTIONS */ 1572 /* LINUX_CDROM_SELECT_SPEED */ 1573 /* LINUX_CDROM_SELECT_DISC */ 1574 /* LINUX_CDROM_MEDIA_CHANGED */ 1575 /* LINUX_CDROM_DRIVE_STATUS */ 1576 /* LINUX_CDROM_DISC_STATUS */ 1577 /* LINUX_CDROM_CHANGER_NSLOTS */ 1578 /* LINUX_CDROM_LOCKDOOR */ 1579 /* LINUX_CDROM_DEBUG */ 1580 /* LINUX_CDROM_GET_CAPABILITY */ 1581 /* LINUX_CDROMAUDIOBUFSIZ */ 1582 1583 case LINUX_DVD_READ_STRUCT: { 1584 l_dvd_struct *lds; 1585 struct dvd_struct *bds; 1586 1587 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1588 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1589 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1590 if (error) 1591 goto out; 1592 error = linux_to_bsd_dvd_struct(lds, bds); 1593 if (error) 1594 goto out; 1595 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1596 td->td_ucred, td); 1597 if (error) 1598 goto out; 1599 error = bsd_to_linux_dvd_struct(bds, lds); 1600 if (error) 1601 goto out; 1602 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1603 out: 1604 free(bds, M_LINUX); 1605 free(lds, M_LINUX); 1606 break; 1607 } 1608 1609 /* LINUX_DVD_WRITE_STRUCT */ 1610 1611 case LINUX_DVD_AUTH: { 1612 l_dvd_authinfo lda; 1613 struct dvd_authinfo bda; 1614 int bcode; 1615 1616 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1617 if (error) 1618 break; 1619 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1620 if (error) 1621 break; 1622 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1623 td); 1624 if (error) { 1625 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1626 lda.type = LINUX_DVD_AUTH_FAILURE; 1627 copyout(&lda, (void *)args->arg, sizeof(lda)); 1628 } 1629 break; 1630 } 1631 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1632 if (error) 1633 break; 1634 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1635 break; 1636 } 1637 1638 case LINUX_SCSI_GET_BUS_NUMBER: 1639 { 1640 struct sg_scsi_id id; 1641 1642 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1643 td->td_ucred, td); 1644 if (error) 1645 break; 1646 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1647 break; 1648 } 1649 1650 case LINUX_SCSI_GET_IDLUN: 1651 { 1652 struct sg_scsi_id id; 1653 struct scsi_idlun idl; 1654 1655 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1656 td->td_ucred, td); 1657 if (error) 1658 break; 1659 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1660 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1661 idl.host_unique_id = id.host_no; 1662 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1663 break; 1664 } 1665 1666 /* LINUX_CDROM_SEND_PACKET */ 1667 /* LINUX_CDROM_NEXT_WRITABLE */ 1668 /* LINUX_CDROM_LAST_WRITTEN */ 1669 1670 default: 1671 error = ENOIOCTL; 1672 break; 1673 } 1674 1675 fdrop(fp, td); 1676 return (error); 1677 } 1678 1679 static int 1680 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1681 { 1682 1683 return (ENOTTY); 1684 } 1685 1686 /* 1687 * Sound related ioctls 1688 */ 1689 1690 struct linux_old_mixer_info { 1691 char id[16]; 1692 char name[32]; 1693 }; 1694 1695 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1696 1697 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1698 1699 static int 1700 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1701 { 1702 1703 switch (args->cmd & 0xffff) { 1704 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1705 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1706 return (sys_ioctl(td, (struct ioctl_args *)args)); 1707 1708 case LINUX_SOUND_MIXER_WRITE_BASS: 1709 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1710 return (sys_ioctl(td, (struct ioctl_args *)args)); 1711 1712 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1713 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1714 return (sys_ioctl(td, (struct ioctl_args *)args)); 1715 1716 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1717 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1718 return (sys_ioctl(td, (struct ioctl_args *)args)); 1719 1720 case LINUX_SOUND_MIXER_WRITE_PCM: 1721 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1722 return (sys_ioctl(td, (struct ioctl_args *)args)); 1723 1724 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1725 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1726 return (sys_ioctl(td, (struct ioctl_args *)args)); 1727 1728 case LINUX_SOUND_MIXER_WRITE_LINE: 1729 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1730 return (sys_ioctl(td, (struct ioctl_args *)args)); 1731 1732 case LINUX_SOUND_MIXER_WRITE_MIC: 1733 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1734 return (sys_ioctl(td, (struct ioctl_args *)args)); 1735 1736 case LINUX_SOUND_MIXER_WRITE_CD: 1737 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1738 return (sys_ioctl(td, (struct ioctl_args *)args)); 1739 1740 case LINUX_SOUND_MIXER_WRITE_IMIX: 1741 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1742 return (sys_ioctl(td, (struct ioctl_args *)args)); 1743 1744 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1745 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1746 return (sys_ioctl(td, (struct ioctl_args *)args)); 1747 1748 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1749 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1750 return (sys_ioctl(td, (struct ioctl_args *)args)); 1751 1752 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1753 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1754 return (sys_ioctl(td, (struct ioctl_args *)args)); 1755 1756 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1757 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1758 return (sys_ioctl(td, (struct ioctl_args *)args)); 1759 1760 case LINUX_SOUND_MIXER_WRITE_LINE1: 1761 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1762 return (sys_ioctl(td, (struct ioctl_args *)args)); 1763 1764 case LINUX_SOUND_MIXER_WRITE_LINE2: 1765 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1766 return (sys_ioctl(td, (struct ioctl_args *)args)); 1767 1768 case LINUX_SOUND_MIXER_WRITE_LINE3: 1769 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1770 return (sys_ioctl(td, (struct ioctl_args *)args)); 1771 1772 case LINUX_SOUND_MIXER_WRITE_MONITOR: 1773 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR); 1774 return (sys_ioctl(td, (struct ioctl_args *)args)); 1775 1776 case LINUX_SOUND_MIXER_INFO: { 1777 /* Key on encoded length */ 1778 switch ((args->cmd >> 16) & 0x1fff) { 1779 case 0x005c: { /* SOUND_MIXER_INFO */ 1780 args->cmd = SOUND_MIXER_INFO; 1781 return (sys_ioctl(td, (struct ioctl_args *)args)); 1782 } 1783 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1784 struct linux_old_mixer_info info; 1785 bzero(&info, sizeof(info)); 1786 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1787 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1788 copyout(&info, (void *)args->arg, sizeof(info)); 1789 return (0); 1790 } 1791 default: 1792 return (ENOIOCTL); 1793 } 1794 break; 1795 } 1796 1797 case LINUX_OSS_GETVERSION: { 1798 int version = linux_get_oss_version(td); 1799 return (copyout(&version, (void *)args->arg, sizeof(int))); 1800 } 1801 1802 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1803 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1804 return (sys_ioctl(td, (struct ioctl_args *)args)); 1805 1806 case LINUX_SOUND_MIXER_READ_CAPS: 1807 args->cmd = SOUND_MIXER_READ_CAPS; 1808 return (sys_ioctl(td, (struct ioctl_args *)args)); 1809 1810 case LINUX_SOUND_MIXER_READ_RECMASK: 1811 args->cmd = SOUND_MIXER_READ_RECMASK; 1812 return (sys_ioctl(td, (struct ioctl_args *)args)); 1813 1814 case LINUX_SOUND_MIXER_READ_DEVMASK: 1815 args->cmd = SOUND_MIXER_READ_DEVMASK; 1816 return (sys_ioctl(td, (struct ioctl_args *)args)); 1817 1818 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1819 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1820 return (sys_ioctl(td, (struct ioctl_args *)args)); 1821 1822 case LINUX_SNDCTL_DSP_RESET: 1823 args->cmd = SNDCTL_DSP_RESET; 1824 return (sys_ioctl(td, (struct ioctl_args *)args)); 1825 1826 case LINUX_SNDCTL_DSP_SYNC: 1827 args->cmd = SNDCTL_DSP_SYNC; 1828 return (sys_ioctl(td, (struct ioctl_args *)args)); 1829 1830 case LINUX_SNDCTL_DSP_SPEED: 1831 args->cmd = SNDCTL_DSP_SPEED; 1832 return (sys_ioctl(td, (struct ioctl_args *)args)); 1833 1834 case LINUX_SNDCTL_DSP_STEREO: 1835 args->cmd = SNDCTL_DSP_STEREO; 1836 return (sys_ioctl(td, (struct ioctl_args *)args)); 1837 1838 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1839 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1840 return (sys_ioctl(td, (struct ioctl_args *)args)); 1841 1842 case LINUX_SNDCTL_DSP_SETFMT: 1843 args->cmd = SNDCTL_DSP_SETFMT; 1844 return (sys_ioctl(td, (struct ioctl_args *)args)); 1845 1846 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1847 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1848 return (sys_ioctl(td, (struct ioctl_args *)args)); 1849 1850 case LINUX_SOUND_PCM_WRITE_FILTER: 1851 args->cmd = SOUND_PCM_WRITE_FILTER; 1852 return (sys_ioctl(td, (struct ioctl_args *)args)); 1853 1854 case LINUX_SNDCTL_DSP_POST: 1855 args->cmd = SNDCTL_DSP_POST; 1856 return (sys_ioctl(td, (struct ioctl_args *)args)); 1857 1858 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1859 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1860 return (sys_ioctl(td, (struct ioctl_args *)args)); 1861 1862 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1863 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1864 return (sys_ioctl(td, (struct ioctl_args *)args)); 1865 1866 case LINUX_SNDCTL_DSP_GETFMTS: 1867 args->cmd = SNDCTL_DSP_GETFMTS; 1868 return (sys_ioctl(td, (struct ioctl_args *)args)); 1869 1870 case LINUX_SNDCTL_DSP_GETOSPACE: 1871 args->cmd = SNDCTL_DSP_GETOSPACE; 1872 return (sys_ioctl(td, (struct ioctl_args *)args)); 1873 1874 case LINUX_SNDCTL_DSP_GETISPACE: 1875 args->cmd = SNDCTL_DSP_GETISPACE; 1876 return (sys_ioctl(td, (struct ioctl_args *)args)); 1877 1878 case LINUX_SNDCTL_DSP_NONBLOCK: 1879 args->cmd = SNDCTL_DSP_NONBLOCK; 1880 return (sys_ioctl(td, (struct ioctl_args *)args)); 1881 1882 case LINUX_SNDCTL_DSP_GETCAPS: 1883 args->cmd = SNDCTL_DSP_GETCAPS; 1884 return (sys_ioctl(td, (struct ioctl_args *)args)); 1885 1886 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1887 args->cmd = SNDCTL_DSP_SETTRIGGER; 1888 return (sys_ioctl(td, (struct ioctl_args *)args)); 1889 1890 case LINUX_SNDCTL_DSP_GETIPTR: 1891 args->cmd = SNDCTL_DSP_GETIPTR; 1892 return (sys_ioctl(td, (struct ioctl_args *)args)); 1893 1894 case LINUX_SNDCTL_DSP_GETOPTR: 1895 args->cmd = SNDCTL_DSP_GETOPTR; 1896 return (sys_ioctl(td, (struct ioctl_args *)args)); 1897 1898 case LINUX_SNDCTL_DSP_SETDUPLEX: 1899 args->cmd = SNDCTL_DSP_SETDUPLEX; 1900 return (sys_ioctl(td, (struct ioctl_args *)args)); 1901 1902 case LINUX_SNDCTL_DSP_GETODELAY: 1903 args->cmd = SNDCTL_DSP_GETODELAY; 1904 return (sys_ioctl(td, (struct ioctl_args *)args)); 1905 1906 case LINUX_SNDCTL_SEQ_RESET: 1907 args->cmd = SNDCTL_SEQ_RESET; 1908 return (sys_ioctl(td, (struct ioctl_args *)args)); 1909 1910 case LINUX_SNDCTL_SEQ_SYNC: 1911 args->cmd = SNDCTL_SEQ_SYNC; 1912 return (sys_ioctl(td, (struct ioctl_args *)args)); 1913 1914 case LINUX_SNDCTL_SYNTH_INFO: 1915 args->cmd = SNDCTL_SYNTH_INFO; 1916 return (sys_ioctl(td, (struct ioctl_args *)args)); 1917 1918 case LINUX_SNDCTL_SEQ_CTRLRATE: 1919 args->cmd = SNDCTL_SEQ_CTRLRATE; 1920 return (sys_ioctl(td, (struct ioctl_args *)args)); 1921 1922 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1923 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1924 return (sys_ioctl(td, (struct ioctl_args *)args)); 1925 1926 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1927 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1928 return (sys_ioctl(td, (struct ioctl_args *)args)); 1929 1930 case LINUX_SNDCTL_SEQ_PERCMODE: 1931 args->cmd = SNDCTL_SEQ_PERCMODE; 1932 return (sys_ioctl(td, (struct ioctl_args *)args)); 1933 1934 case LINUX_SNDCTL_FM_LOAD_INSTR: 1935 args->cmd = SNDCTL_FM_LOAD_INSTR; 1936 return (sys_ioctl(td, (struct ioctl_args *)args)); 1937 1938 case LINUX_SNDCTL_SEQ_TESTMIDI: 1939 args->cmd = SNDCTL_SEQ_TESTMIDI; 1940 return (sys_ioctl(td, (struct ioctl_args *)args)); 1941 1942 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1943 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1944 return (sys_ioctl(td, (struct ioctl_args *)args)); 1945 1946 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1947 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1948 return (sys_ioctl(td, (struct ioctl_args *)args)); 1949 1950 case LINUX_SNDCTL_SEQ_NRMIDIS: 1951 args->cmd = SNDCTL_SEQ_NRMIDIS; 1952 return (sys_ioctl(td, (struct ioctl_args *)args)); 1953 1954 case LINUX_SNDCTL_MIDI_INFO: 1955 args->cmd = SNDCTL_MIDI_INFO; 1956 return (sys_ioctl(td, (struct ioctl_args *)args)); 1957 1958 case LINUX_SNDCTL_SEQ_TRESHOLD: 1959 args->cmd = SNDCTL_SEQ_TRESHOLD; 1960 return (sys_ioctl(td, (struct ioctl_args *)args)); 1961 1962 case LINUX_SNDCTL_SYNTH_MEMAVL: 1963 args->cmd = SNDCTL_SYNTH_MEMAVL; 1964 return (sys_ioctl(td, (struct ioctl_args *)args)); 1965 } 1966 1967 return (ENOIOCTL); 1968 } 1969 1970 /* 1971 * Console related ioctls 1972 */ 1973 1974 static int 1975 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1976 { 1977 struct file *fp; 1978 int error; 1979 1980 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1981 if (error != 0) 1982 return (error); 1983 switch (args->cmd & 0xffff) { 1984 case LINUX_KIOCSOUND: 1985 args->cmd = KIOCSOUND; 1986 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1987 break; 1988 1989 case LINUX_KDMKTONE: 1990 args->cmd = KDMKTONE; 1991 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1992 break; 1993 1994 case LINUX_KDGETLED: 1995 args->cmd = KDGETLED; 1996 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1997 break; 1998 1999 case LINUX_KDSETLED: 2000 args->cmd = KDSETLED; 2001 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2002 break; 2003 2004 case LINUX_KDSETMODE: 2005 args->cmd = KDSETMODE; 2006 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2007 break; 2008 2009 case LINUX_KDGETMODE: 2010 args->cmd = KDGETMODE; 2011 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2012 break; 2013 2014 case LINUX_KDGKBMODE: 2015 args->cmd = KDGKBMODE; 2016 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2017 break; 2018 2019 case LINUX_KDSKBMODE: { 2020 int kbdmode; 2021 switch (args->arg) { 2022 case LINUX_KBD_RAW: 2023 kbdmode = K_RAW; 2024 break; 2025 case LINUX_KBD_XLATE: 2026 kbdmode = K_XLATE; 2027 break; 2028 case LINUX_KBD_MEDIUMRAW: 2029 kbdmode = K_RAW; 2030 break; 2031 default: 2032 fdrop(fp, td); 2033 return (EINVAL); 2034 } 2035 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2036 td->td_ucred, td)); 2037 break; 2038 } 2039 2040 case LINUX_VT_OPENQRY: 2041 args->cmd = VT_OPENQRY; 2042 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2043 break; 2044 2045 case LINUX_VT_GETMODE: 2046 args->cmd = VT_GETMODE; 2047 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2048 break; 2049 2050 case LINUX_VT_SETMODE: { 2051 struct vt_mode mode; 2052 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2053 break; 2054 if (LINUX_SIG_VALID(mode.relsig)) 2055 mode.relsig = linux_to_bsd_signal(mode.relsig); 2056 else 2057 mode.relsig = 0; 2058 if (LINUX_SIG_VALID(mode.acqsig)) 2059 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2060 else 2061 mode.acqsig = 0; 2062 /* XXX. Linux ignores frsig and set it to 0. */ 2063 mode.frsig = 0; 2064 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2065 break; 2066 args->cmd = VT_SETMODE; 2067 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2068 break; 2069 } 2070 2071 case LINUX_VT_GETSTATE: 2072 args->cmd = VT_GETACTIVE; 2073 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2074 break; 2075 2076 case LINUX_VT_RELDISP: 2077 args->cmd = VT_RELDISP; 2078 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2079 break; 2080 2081 case LINUX_VT_ACTIVATE: 2082 args->cmd = VT_ACTIVATE; 2083 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2084 break; 2085 2086 case LINUX_VT_WAITACTIVE: 2087 args->cmd = VT_WAITACTIVE; 2088 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2089 break; 2090 2091 default: 2092 error = ENOIOCTL; 2093 break; 2094 } 2095 2096 fdrop(fp, td); 2097 return (error); 2098 } 2099 2100 /* 2101 * Implement the SIOCGIFNAME ioctl 2102 */ 2103 2104 static int 2105 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2106 { 2107 struct l_ifreq ifr; 2108 struct ifnet *ifp; 2109 int error, ethno, index; 2110 2111 error = copyin(uifr, &ifr, sizeof(ifr)); 2112 if (error != 0) 2113 return (error); 2114 2115 CURVNET_SET(TD_TO_VNET(curthread)); 2116 IFNET_RLOCK(); 2117 index = 1; /* ifr.ifr_ifindex starts from 1 */ 2118 ethno = 0; 2119 error = ENODEV; 2120 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2121 if (ifr.ifr_ifindex == index) { 2122 if (!linux_use_real_ifname(ifp)) 2123 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, 2124 "eth%d", ethno); 2125 else 2126 strlcpy(ifr.ifr_name, ifp->if_xname, 2127 LINUX_IFNAMSIZ); 2128 error = 0; 2129 break; 2130 } 2131 if (!linux_use_real_ifname(ifp)) 2132 ethno++; 2133 index++; 2134 } 2135 IFNET_RUNLOCK(); 2136 if (error == 0) 2137 error = copyout(&ifr, uifr, sizeof(ifr)); 2138 CURVNET_RESTORE(); 2139 2140 return (error); 2141 } 2142 2143 /* 2144 * Implement the SIOCGIFCONF ioctl 2145 */ 2146 2147 static int 2148 linux_ifconf(struct thread *td, struct ifconf *uifc) 2149 { 2150 #ifdef COMPAT_LINUX32 2151 struct l_ifconf ifc; 2152 #else 2153 struct ifconf ifc; 2154 #endif 2155 struct l_ifreq ifr; 2156 struct ifnet *ifp; 2157 struct ifaddr *ifa; 2158 struct sbuf *sb; 2159 int error, ethno, full = 0, valid_len, max_len; 2160 2161 error = copyin(uifc, &ifc, sizeof(ifc)); 2162 if (error != 0) 2163 return (error); 2164 2165 max_len = maxphys - 1; 2166 2167 CURVNET_SET(TD_TO_VNET(td)); 2168 /* handle the 'request buffer size' case */ 2169 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2170 ifc.ifc_len = 0; 2171 IFNET_RLOCK(); 2172 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2173 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2174 struct sockaddr *sa = ifa->ifa_addr; 2175 if (sa->sa_family == AF_INET) 2176 ifc.ifc_len += sizeof(ifr); 2177 } 2178 } 2179 IFNET_RUNLOCK(); 2180 error = copyout(&ifc, uifc, sizeof(ifc)); 2181 CURVNET_RESTORE(); 2182 return (error); 2183 } 2184 2185 if (ifc.ifc_len <= 0) { 2186 CURVNET_RESTORE(); 2187 return (EINVAL); 2188 } 2189 2190 again: 2191 /* Keep track of eth interfaces */ 2192 ethno = 0; 2193 if (ifc.ifc_len <= max_len) { 2194 max_len = ifc.ifc_len; 2195 full = 1; 2196 } 2197 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2198 max_len = 0; 2199 valid_len = 0; 2200 2201 /* Return all AF_INET addresses of all interfaces */ 2202 IFNET_RLOCK(); 2203 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2204 int addrs = 0; 2205 2206 bzero(&ifr, sizeof(ifr)); 2207 if (IFP_IS_ETH(ifp)) 2208 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2209 ethno++); 2210 else 2211 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2212 2213 /* Walk the address list */ 2214 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2215 struct sockaddr *sa = ifa->ifa_addr; 2216 2217 if (sa->sa_family == AF_INET) { 2218 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2219 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2220 sizeof(ifr.ifr_addr.sa_data)); 2221 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2222 max_len += sizeof(ifr); 2223 addrs++; 2224 } 2225 2226 if (sbuf_error(sb) == 0) 2227 valid_len = sbuf_len(sb); 2228 } 2229 if (addrs == 0) { 2230 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2231 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2232 max_len += sizeof(ifr); 2233 2234 if (sbuf_error(sb) == 0) 2235 valid_len = sbuf_len(sb); 2236 } 2237 } 2238 IFNET_RUNLOCK(); 2239 2240 if (valid_len != max_len && !full) { 2241 sbuf_delete(sb); 2242 goto again; 2243 } 2244 2245 ifc.ifc_len = valid_len; 2246 sbuf_finish(sb); 2247 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2248 if (error == 0) 2249 error = copyout(&ifc, uifc, sizeof(ifc)); 2250 sbuf_delete(sb); 2251 CURVNET_RESTORE(); 2252 2253 return (error); 2254 } 2255 2256 static int 2257 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2258 { 2259 l_short flags; 2260 2261 linux_ifflags(ifp, &flags); 2262 2263 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2264 } 2265 2266 static int 2267 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2268 { 2269 struct l_sockaddr lsa; 2270 2271 if (linux_ifhwaddr(ifp, &lsa) != 0) 2272 return (ENOENT); 2273 2274 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2275 } 2276 2277 /* 2278 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2279 * the native ioctl(). Thus, we don't really need to check the return 2280 * value of this function. 2281 */ 2282 static int 2283 bsd_to_linux_ifreq(struct ifreq *arg) 2284 { 2285 struct ifreq ifr; 2286 size_t ifr_len = sizeof(struct ifreq); 2287 int error; 2288 2289 if ((error = copyin(arg, &ifr, ifr_len))) 2290 return (error); 2291 2292 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2293 2294 error = copyout(&ifr, arg, ifr_len); 2295 2296 return (error); 2297 } 2298 2299 /* 2300 * Socket related ioctls 2301 */ 2302 2303 static int 2304 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2305 { 2306 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2307 struct ifnet *ifp; 2308 struct file *fp; 2309 int error, type; 2310 2311 ifp = NULL; 2312 error = 0; 2313 2314 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2315 if (error != 0) 2316 return (error); 2317 type = fp->f_type; 2318 fdrop(fp, td); 2319 if (type != DTYPE_SOCKET) { 2320 /* not a socket - probably a tap / vmnet device */ 2321 switch (args->cmd) { 2322 case LINUX_SIOCGIFADDR: 2323 case LINUX_SIOCSIFADDR: 2324 case LINUX_SIOCGIFFLAGS: 2325 return (linux_ioctl_special(td, args)); 2326 default: 2327 return (ENOIOCTL); 2328 } 2329 } 2330 2331 switch (args->cmd & 0xffff) { 2332 case LINUX_FIOGETOWN: 2333 case LINUX_FIOSETOWN: 2334 case LINUX_SIOCADDMULTI: 2335 case LINUX_SIOCATMARK: 2336 case LINUX_SIOCDELMULTI: 2337 case LINUX_SIOCGIFNAME: 2338 case LINUX_SIOCGIFCONF: 2339 case LINUX_SIOCGPGRP: 2340 case LINUX_SIOCSPGRP: 2341 case LINUX_SIOCGIFCOUNT: 2342 /* these ioctls don't take an interface name */ 2343 break; 2344 2345 case LINUX_SIOCGIFFLAGS: 2346 case LINUX_SIOCGIFADDR: 2347 case LINUX_SIOCSIFADDR: 2348 case LINUX_SIOCGIFDSTADDR: 2349 case LINUX_SIOCGIFBRDADDR: 2350 case LINUX_SIOCGIFNETMASK: 2351 case LINUX_SIOCSIFNETMASK: 2352 case LINUX_SIOCGIFMTU: 2353 case LINUX_SIOCSIFMTU: 2354 case LINUX_SIOCSIFNAME: 2355 case LINUX_SIOCGIFHWADDR: 2356 case LINUX_SIOCSIFHWADDR: 2357 case LINUX_SIOCDEVPRIVATE: 2358 case LINUX_SIOCDEVPRIVATE+1: 2359 case LINUX_SIOCGIFINDEX: 2360 /* copy in the interface name and translate it. */ 2361 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2362 if (error != 0) 2363 return (error); 2364 memset(ifname, 0, sizeof(ifname)); 2365 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2366 if (ifp == NULL) 2367 return (EINVAL); 2368 /* 2369 * We need to copy it back out in case we pass the 2370 * request on to our native ioctl(), which will expect 2371 * the ifreq to be in user space and have the correct 2372 * interface name. 2373 */ 2374 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2375 if (error != 0) 2376 return (error); 2377 break; 2378 2379 default: 2380 return (ENOIOCTL); 2381 } 2382 2383 switch (args->cmd & 0xffff) { 2384 case LINUX_FIOSETOWN: 2385 args->cmd = FIOSETOWN; 2386 error = sys_ioctl(td, (struct ioctl_args *)args); 2387 break; 2388 2389 case LINUX_SIOCSPGRP: 2390 args->cmd = SIOCSPGRP; 2391 error = sys_ioctl(td, (struct ioctl_args *)args); 2392 break; 2393 2394 case LINUX_FIOGETOWN: 2395 args->cmd = FIOGETOWN; 2396 error = sys_ioctl(td, (struct ioctl_args *)args); 2397 break; 2398 2399 case LINUX_SIOCGPGRP: 2400 args->cmd = SIOCGPGRP; 2401 error = sys_ioctl(td, (struct ioctl_args *)args); 2402 break; 2403 2404 case LINUX_SIOCATMARK: 2405 args->cmd = SIOCATMARK; 2406 error = sys_ioctl(td, (struct ioctl_args *)args); 2407 break; 2408 2409 /* LINUX_SIOCGSTAMP */ 2410 2411 case LINUX_SIOCGIFNAME: 2412 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2413 break; 2414 2415 case LINUX_SIOCGIFCONF: 2416 error = linux_ifconf(td, (struct ifconf *)args->arg); 2417 break; 2418 2419 case LINUX_SIOCGIFFLAGS: 2420 args->cmd = SIOCGIFFLAGS; 2421 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2422 break; 2423 2424 case LINUX_SIOCGIFADDR: 2425 args->cmd = SIOCGIFADDR; 2426 error = sys_ioctl(td, (struct ioctl_args *)args); 2427 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2428 break; 2429 2430 case LINUX_SIOCSIFADDR: 2431 /* XXX probably doesn't work, included for completeness */ 2432 args->cmd = SIOCSIFADDR; 2433 error = sys_ioctl(td, (struct ioctl_args *)args); 2434 break; 2435 2436 case LINUX_SIOCGIFDSTADDR: 2437 args->cmd = SIOCGIFDSTADDR; 2438 error = sys_ioctl(td, (struct ioctl_args *)args); 2439 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2440 break; 2441 2442 case LINUX_SIOCGIFBRDADDR: 2443 args->cmd = SIOCGIFBRDADDR; 2444 error = sys_ioctl(td, (struct ioctl_args *)args); 2445 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2446 break; 2447 2448 case LINUX_SIOCGIFNETMASK: 2449 args->cmd = SIOCGIFNETMASK; 2450 error = sys_ioctl(td, (struct ioctl_args *)args); 2451 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2452 break; 2453 2454 case LINUX_SIOCSIFNETMASK: 2455 error = ENOIOCTL; 2456 break; 2457 2458 case LINUX_SIOCGIFMTU: 2459 args->cmd = SIOCGIFMTU; 2460 error = sys_ioctl(td, (struct ioctl_args *)args); 2461 break; 2462 2463 case LINUX_SIOCSIFMTU: 2464 args->cmd = SIOCSIFMTU; 2465 error = sys_ioctl(td, (struct ioctl_args *)args); 2466 break; 2467 2468 case LINUX_SIOCSIFNAME: 2469 error = ENOIOCTL; 2470 break; 2471 2472 case LINUX_SIOCGIFHWADDR: 2473 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2474 break; 2475 2476 case LINUX_SIOCSIFHWADDR: 2477 error = ENOIOCTL; 2478 break; 2479 2480 case LINUX_SIOCADDMULTI: 2481 args->cmd = SIOCADDMULTI; 2482 error = sys_ioctl(td, (struct ioctl_args *)args); 2483 break; 2484 2485 case LINUX_SIOCDELMULTI: 2486 args->cmd = SIOCDELMULTI; 2487 error = sys_ioctl(td, (struct ioctl_args *)args); 2488 break; 2489 2490 case LINUX_SIOCGIFINDEX: 2491 args->cmd = SIOCGIFINDEX; 2492 error = sys_ioctl(td, (struct ioctl_args *)args); 2493 break; 2494 2495 case LINUX_SIOCGIFCOUNT: 2496 error = 0; 2497 break; 2498 2499 /* 2500 * XXX This is slightly bogus, but these ioctls are currently 2501 * XXX only used by the aironet (if_an) network driver. 2502 */ 2503 case LINUX_SIOCDEVPRIVATE: 2504 args->cmd = SIOCGPRIVATE_0; 2505 error = sys_ioctl(td, (struct ioctl_args *)args); 2506 break; 2507 2508 case LINUX_SIOCDEVPRIVATE+1: 2509 args->cmd = SIOCGPRIVATE_1; 2510 error = sys_ioctl(td, (struct ioctl_args *)args); 2511 break; 2512 } 2513 2514 if (ifp != NULL) 2515 /* restore the original interface name */ 2516 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2517 2518 return (error); 2519 } 2520 2521 /* 2522 * Device private ioctl handler 2523 */ 2524 static int 2525 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2526 { 2527 struct file *fp; 2528 int error, type; 2529 2530 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2531 if (error != 0) 2532 return (error); 2533 type = fp->f_type; 2534 fdrop(fp, td); 2535 if (type == DTYPE_SOCKET) 2536 return (linux_ioctl_socket(td, args)); 2537 return (ENOIOCTL); 2538 } 2539 2540 /* 2541 * DRM ioctl handler (sys/dev/drm) 2542 */ 2543 static int 2544 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2545 { 2546 args->cmd = SETDIR(args->cmd); 2547 return (sys_ioctl(td, (struct ioctl_args *)args)); 2548 } 2549 2550 #ifdef COMPAT_LINUX32 2551 static int 2552 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2553 { 2554 struct sg_io_hdr io; 2555 struct sg_io_hdr32 io32; 2556 struct file *fp; 2557 int error; 2558 2559 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2560 if (error != 0) { 2561 printf("sg_linux_ioctl: fget returned %d\n", error); 2562 return (error); 2563 } 2564 2565 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2566 goto out; 2567 2568 CP(io32, io, interface_id); 2569 CP(io32, io, dxfer_direction); 2570 CP(io32, io, cmd_len); 2571 CP(io32, io, mx_sb_len); 2572 CP(io32, io, iovec_count); 2573 CP(io32, io, dxfer_len); 2574 PTRIN_CP(io32, io, dxferp); 2575 PTRIN_CP(io32, io, cmdp); 2576 PTRIN_CP(io32, io, sbp); 2577 CP(io32, io, timeout); 2578 CP(io32, io, flags); 2579 CP(io32, io, pack_id); 2580 PTRIN_CP(io32, io, usr_ptr); 2581 CP(io32, io, status); 2582 CP(io32, io, masked_status); 2583 CP(io32, io, msg_status); 2584 CP(io32, io, sb_len_wr); 2585 CP(io32, io, host_status); 2586 CP(io32, io, driver_status); 2587 CP(io32, io, resid); 2588 CP(io32, io, duration); 2589 CP(io32, io, info); 2590 2591 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2592 goto out; 2593 2594 CP(io, io32, interface_id); 2595 CP(io, io32, dxfer_direction); 2596 CP(io, io32, cmd_len); 2597 CP(io, io32, mx_sb_len); 2598 CP(io, io32, iovec_count); 2599 CP(io, io32, dxfer_len); 2600 PTROUT_CP(io, io32, dxferp); 2601 PTROUT_CP(io, io32, cmdp); 2602 PTROUT_CP(io, io32, sbp); 2603 CP(io, io32, timeout); 2604 CP(io, io32, flags); 2605 CP(io, io32, pack_id); 2606 PTROUT_CP(io, io32, usr_ptr); 2607 CP(io, io32, status); 2608 CP(io, io32, masked_status); 2609 CP(io, io32, msg_status); 2610 CP(io, io32, sb_len_wr); 2611 CP(io, io32, host_status); 2612 CP(io, io32, driver_status); 2613 CP(io, io32, resid); 2614 CP(io, io32, duration); 2615 CP(io, io32, info); 2616 2617 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2618 2619 out: 2620 fdrop(fp, td); 2621 return (error); 2622 } 2623 #endif 2624 2625 static int 2626 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2627 { 2628 2629 switch (args->cmd) { 2630 case LINUX_SG_GET_VERSION_NUM: 2631 args->cmd = SG_GET_VERSION_NUM; 2632 break; 2633 case LINUX_SG_SET_TIMEOUT: 2634 args->cmd = SG_SET_TIMEOUT; 2635 break; 2636 case LINUX_SG_GET_TIMEOUT: 2637 args->cmd = SG_GET_TIMEOUT; 2638 break; 2639 case LINUX_SG_IO: 2640 args->cmd = SG_IO; 2641 #ifdef COMPAT_LINUX32 2642 return (linux_ioctl_sg_io(td, args)); 2643 #endif 2644 break; 2645 case LINUX_SG_GET_RESERVED_SIZE: 2646 args->cmd = SG_GET_RESERVED_SIZE; 2647 break; 2648 case LINUX_SG_GET_SCSI_ID: 2649 args->cmd = SG_GET_SCSI_ID; 2650 break; 2651 case LINUX_SG_GET_SG_TABLESIZE: 2652 args->cmd = SG_GET_SG_TABLESIZE; 2653 break; 2654 default: 2655 return (ENODEV); 2656 } 2657 return (sys_ioctl(td, (struct ioctl_args *)args)); 2658 } 2659 2660 /* 2661 * Video4Linux (V4L) ioctl handler 2662 */ 2663 static int 2664 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2665 { 2666 vt->tuner = lvt->tuner; 2667 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2668 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2669 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2670 vt->flags = lvt->flags; 2671 vt->mode = lvt->mode; 2672 vt->signal = lvt->signal; 2673 return (0); 2674 } 2675 2676 static int 2677 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2678 { 2679 lvt->tuner = vt->tuner; 2680 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2681 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2682 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2683 lvt->flags = vt->flags; 2684 lvt->mode = vt->mode; 2685 lvt->signal = vt->signal; 2686 return (0); 2687 } 2688 2689 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2690 static int 2691 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2692 { 2693 vc->x = lvc->x; 2694 vc->y = lvc->y; 2695 vc->width = lvc->width; 2696 vc->height = lvc->height; 2697 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2698 return (0); 2699 } 2700 #endif 2701 2702 static int 2703 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2704 { 2705 vw->x = lvw->x; 2706 vw->y = lvw->y; 2707 vw->width = lvw->width; 2708 vw->height = lvw->height; 2709 vw->chromakey = lvw->chromakey; 2710 vw->flags = lvw->flags; 2711 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2712 vw->clipcount = lvw->clipcount; 2713 return (0); 2714 } 2715 2716 static int 2717 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2718 { 2719 memset(lvw, 0, sizeof(*lvw)); 2720 2721 lvw->x = vw->x; 2722 lvw->y = vw->y; 2723 lvw->width = vw->width; 2724 lvw->height = vw->height; 2725 lvw->chromakey = vw->chromakey; 2726 lvw->flags = vw->flags; 2727 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2728 lvw->clipcount = vw->clipcount; 2729 return (0); 2730 } 2731 2732 static int 2733 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2734 { 2735 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2736 vb->height = lvb->height; 2737 vb->width = lvb->width; 2738 vb->depth = lvb->depth; 2739 vb->bytesperline = lvb->bytesperline; 2740 return (0); 2741 } 2742 2743 static int 2744 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2745 { 2746 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2747 lvb->height = vb->height; 2748 lvb->width = vb->width; 2749 lvb->depth = vb->depth; 2750 lvb->bytesperline = vb->bytesperline; 2751 return (0); 2752 } 2753 2754 static int 2755 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2756 { 2757 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2758 vc->datasize = lvc->datasize; 2759 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2760 return (0); 2761 } 2762 2763 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2764 static int 2765 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2766 { 2767 int error; 2768 struct video_clip vclip; 2769 struct l_video_clip l_vclip; 2770 2771 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2772 if (error) return (error); 2773 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2774 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2775 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2776 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2777 memcpy(*ppvc, &vclip, sizeof(vclip)); 2778 (*ppvc)->next = NULL; 2779 return (0); 2780 } 2781 2782 static int 2783 linux_v4l_cliplist_free(struct video_window *vw) 2784 { 2785 struct video_clip **ppvc; 2786 struct video_clip **ppvc_next; 2787 2788 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2789 ppvc_next = &((*ppvc)->next); 2790 free(*ppvc, M_LINUX); 2791 } 2792 vw->clips = NULL; 2793 2794 return (0); 2795 } 2796 2797 static int 2798 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2799 { 2800 int error; 2801 int clipcount; 2802 void *plvc; 2803 struct video_clip **ppvc; 2804 2805 /* 2806 * XXX: The cliplist is used to pass in a list of clipping 2807 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2808 * clipping bitmap. Some Linux apps, however, appear to 2809 * leave cliplist and clips uninitialized. In any case, 2810 * the cliplist is not used by pwc(4), at the time of 2811 * writing, FreeBSD's only V4L driver. When a driver 2812 * that uses the cliplist is developed, this code may 2813 * need re-examiniation. 2814 */ 2815 error = 0; 2816 clipcount = vw->clipcount; 2817 if (clipcount == VIDEO_CLIP_BITMAP) { 2818 /* 2819 * In this case, the pointer (clips) is overloaded 2820 * to be a "void *" to a bitmap, therefore there 2821 * is no struct video_clip to copy now. 2822 */ 2823 } else if (clipcount > 0 && clipcount <= 16384) { 2824 /* 2825 * Clips points to list of clip rectangles, so 2826 * copy the list. 2827 * 2828 * XXX: Upper limit of 16384 was used here to try to 2829 * avoid cases when clipcount and clips pointer 2830 * are uninitialized and therefore have high random 2831 * values, as is the case in the Linux Skype 2832 * application. The value 16384 was chosen as that 2833 * is what is used in the Linux stradis(4) MPEG 2834 * decoder driver, the only place we found an 2835 * example of cliplist use. 2836 */ 2837 plvc = PTRIN(lvw->clips); 2838 vw->clips = NULL; 2839 ppvc = &(vw->clips); 2840 while (clipcount-- > 0) { 2841 if (plvc == NULL) { 2842 error = EFAULT; 2843 break; 2844 } else { 2845 error = linux_v4l_clip_copy(plvc, ppvc); 2846 if (error) { 2847 linux_v4l_cliplist_free(vw); 2848 break; 2849 } 2850 } 2851 ppvc = &((*ppvc)->next); 2852 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2853 } 2854 } else { 2855 /* 2856 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2857 * Force cliplist to null. 2858 */ 2859 vw->clipcount = 0; 2860 vw->clips = NULL; 2861 } 2862 return (error); 2863 } 2864 #endif 2865 2866 static int 2867 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2868 { 2869 struct file *fp; 2870 int error; 2871 struct video_tuner vtun; 2872 struct video_window vwin; 2873 struct video_buffer vbuf; 2874 struct video_code vcode; 2875 struct l_video_tuner l_vtun; 2876 struct l_video_window l_vwin; 2877 struct l_video_buffer l_vbuf; 2878 struct l_video_code l_vcode; 2879 2880 switch (args->cmd & 0xffff) { 2881 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2882 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2883 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2884 2885 case LINUX_VIDIOCGTUNER: 2886 error = fget(td, args->fd, 2887 &cap_ioctl_rights, &fp); 2888 if (error != 0) 2889 return (error); 2890 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2891 if (error) { 2892 fdrop(fp, td); 2893 return (error); 2894 } 2895 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2896 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2897 if (!error) { 2898 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2899 error = copyout(&l_vtun, (void *) args->arg, 2900 sizeof(l_vtun)); 2901 } 2902 fdrop(fp, td); 2903 return (error); 2904 2905 case LINUX_VIDIOCSTUNER: 2906 error = fget(td, args->fd, 2907 &cap_ioctl_rights, &fp); 2908 if (error != 0) 2909 return (error); 2910 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2911 if (error) { 2912 fdrop(fp, td); 2913 return (error); 2914 } 2915 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2916 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2917 fdrop(fp, td); 2918 return (error); 2919 2920 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2921 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2922 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2923 2924 case LINUX_VIDIOCGWIN: 2925 error = fget(td, args->fd, 2926 &cap_ioctl_rights, &fp); 2927 if (error != 0) 2928 return (error); 2929 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2930 if (!error) { 2931 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2932 error = copyout(&l_vwin, (void *) args->arg, 2933 sizeof(l_vwin)); 2934 } 2935 fdrop(fp, td); 2936 return (error); 2937 2938 case LINUX_VIDIOCSWIN: 2939 error = fget(td, args->fd, 2940 &cap_ioctl_rights, &fp); 2941 if (error != 0) 2942 return (error); 2943 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2944 if (error) { 2945 fdrop(fp, td); 2946 return (error); 2947 } 2948 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2949 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2950 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2951 if (error) { 2952 fdrop(fp, td); 2953 return (error); 2954 } 2955 #endif 2956 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2957 fdrop(fp, td); 2958 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2959 linux_v4l_cliplist_free(&vwin); 2960 #endif 2961 return (error); 2962 2963 case LINUX_VIDIOCGFBUF: 2964 error = fget(td, args->fd, 2965 &cap_ioctl_rights, &fp); 2966 if (error != 0) 2967 return (error); 2968 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2969 if (!error) { 2970 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2971 error = copyout(&l_vbuf, (void *) args->arg, 2972 sizeof(l_vbuf)); 2973 } 2974 fdrop(fp, td); 2975 return (error); 2976 2977 case LINUX_VIDIOCSFBUF: 2978 error = fget(td, args->fd, 2979 &cap_ioctl_rights, &fp); 2980 if (error != 0) 2981 return (error); 2982 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2983 if (error) { 2984 fdrop(fp, td); 2985 return (error); 2986 } 2987 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2988 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2989 fdrop(fp, td); 2990 return (error); 2991 2992 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2993 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2994 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2995 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2996 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2997 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2998 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2999 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3000 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3001 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3002 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3003 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3004 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3005 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3006 3007 case LINUX_VIDIOCSMICROCODE: 3008 error = fget(td, args->fd, 3009 &cap_ioctl_rights, &fp); 3010 if (error != 0) 3011 return (error); 3012 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3013 if (error) { 3014 fdrop(fp, td); 3015 return (error); 3016 } 3017 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3018 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3019 fdrop(fp, td); 3020 return (error); 3021 3022 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3023 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3024 default: return (ENOIOCTL); 3025 } 3026 3027 error = sys_ioctl(td, (struct ioctl_args *)args); 3028 return (error); 3029 } 3030 3031 /* 3032 * Special ioctl handler 3033 */ 3034 static int 3035 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3036 { 3037 int error; 3038 3039 switch (args->cmd) { 3040 case LINUX_SIOCGIFADDR: 3041 args->cmd = SIOCGIFADDR; 3042 error = sys_ioctl(td, (struct ioctl_args *)args); 3043 break; 3044 case LINUX_SIOCSIFADDR: 3045 args->cmd = SIOCSIFADDR; 3046 error = sys_ioctl(td, (struct ioctl_args *)args); 3047 break; 3048 case LINUX_SIOCGIFFLAGS: 3049 args->cmd = SIOCGIFFLAGS; 3050 error = sys_ioctl(td, (struct ioctl_args *)args); 3051 break; 3052 default: 3053 error = ENOIOCTL; 3054 } 3055 3056 return (error); 3057 } 3058 3059 static int 3060 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3061 { 3062 vstd->index = lvstd->index; 3063 vstd->id = lvstd->id; 3064 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3065 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3066 vstd->frameperiod = lvstd->frameperiod; 3067 vstd->framelines = lvstd->framelines; 3068 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3069 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3070 return (0); 3071 } 3072 3073 static int 3074 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3075 { 3076 lvstd->index = vstd->index; 3077 lvstd->id = vstd->id; 3078 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3079 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3080 lvstd->frameperiod = vstd->frameperiod; 3081 lvstd->framelines = vstd->framelines; 3082 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3083 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3084 return (0); 3085 } 3086 3087 static int 3088 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3089 { 3090 vb->index = lvb->index; 3091 vb->type = lvb->type; 3092 vb->bytesused = lvb->bytesused; 3093 vb->flags = lvb->flags; 3094 vb->field = lvb->field; 3095 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3096 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3097 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3098 vb->sequence = lvb->sequence; 3099 vb->memory = lvb->memory; 3100 if (lvb->memory == V4L2_MEMORY_USERPTR) 3101 /* possible pointer size conversion */ 3102 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3103 else 3104 vb->m.offset = lvb->m.offset; 3105 vb->length = lvb->length; 3106 vb->input = lvb->input; 3107 vb->reserved = lvb->reserved; 3108 return (0); 3109 } 3110 3111 static int 3112 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3113 { 3114 lvb->index = vb->index; 3115 lvb->type = vb->type; 3116 lvb->bytesused = vb->bytesused; 3117 lvb->flags = vb->flags; 3118 lvb->field = vb->field; 3119 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3120 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3121 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3122 lvb->sequence = vb->sequence; 3123 lvb->memory = vb->memory; 3124 if (vb->memory == V4L2_MEMORY_USERPTR) 3125 /* possible pointer size conversion */ 3126 lvb->m.userptr = PTROUT(vb->m.userptr); 3127 else 3128 lvb->m.offset = vb->m.offset; 3129 lvb->length = vb->length; 3130 lvb->input = vb->input; 3131 lvb->reserved = vb->reserved; 3132 return (0); 3133 } 3134 3135 static int 3136 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3137 { 3138 vf->type = lvf->type; 3139 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3140 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3141 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3142 #endif 3143 ) 3144 /* 3145 * XXX TODO - needs 32 -> 64 bit conversion: 3146 * (unused by webcams?) 3147 */ 3148 return (EINVAL); 3149 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3150 return (0); 3151 } 3152 3153 static int 3154 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3155 { 3156 lvf->type = vf->type; 3157 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3158 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3159 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3160 #endif 3161 ) 3162 /* 3163 * XXX TODO - needs 32 -> 64 bit conversion: 3164 * (unused by webcams?) 3165 */ 3166 return (EINVAL); 3167 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3168 return (0); 3169 } 3170 static int 3171 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3172 { 3173 struct file *fp; 3174 int error; 3175 struct v4l2_format vformat; 3176 struct l_v4l2_format l_vformat; 3177 struct v4l2_standard vstd; 3178 struct l_v4l2_standard l_vstd; 3179 struct l_v4l2_buffer l_vbuf; 3180 struct v4l2_buffer vbuf; 3181 struct v4l2_input vinp; 3182 3183 switch (args->cmd & 0xffff) { 3184 case LINUX_VIDIOC_RESERVED: 3185 case LINUX_VIDIOC_LOG_STATUS: 3186 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3187 return (ENOIOCTL); 3188 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3189 break; 3190 3191 case LINUX_VIDIOC_OVERLAY: 3192 case LINUX_VIDIOC_STREAMON: 3193 case LINUX_VIDIOC_STREAMOFF: 3194 case LINUX_VIDIOC_S_STD: 3195 case LINUX_VIDIOC_S_TUNER: 3196 case LINUX_VIDIOC_S_AUDIO: 3197 case LINUX_VIDIOC_S_AUDOUT: 3198 case LINUX_VIDIOC_S_MODULATOR: 3199 case LINUX_VIDIOC_S_FREQUENCY: 3200 case LINUX_VIDIOC_S_CROP: 3201 case LINUX_VIDIOC_S_JPEGCOMP: 3202 case LINUX_VIDIOC_S_PRIORITY: 3203 case LINUX_VIDIOC_DBG_S_REGISTER: 3204 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3205 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3206 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3207 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3208 break; 3209 3210 case LINUX_VIDIOC_QUERYCAP: 3211 case LINUX_VIDIOC_G_STD: 3212 case LINUX_VIDIOC_G_AUDIO: 3213 case LINUX_VIDIOC_G_INPUT: 3214 case LINUX_VIDIOC_G_OUTPUT: 3215 case LINUX_VIDIOC_G_AUDOUT: 3216 case LINUX_VIDIOC_G_JPEGCOMP: 3217 case LINUX_VIDIOC_QUERYSTD: 3218 case LINUX_VIDIOC_G_PRIORITY: 3219 case LINUX_VIDIOC_QUERY_DV_PRESET: 3220 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3221 break; 3222 3223 case LINUX_VIDIOC_ENUM_FMT: 3224 case LINUX_VIDIOC_REQBUFS: 3225 case LINUX_VIDIOC_G_PARM: 3226 case LINUX_VIDIOC_S_PARM: 3227 case LINUX_VIDIOC_G_CTRL: 3228 case LINUX_VIDIOC_S_CTRL: 3229 case LINUX_VIDIOC_G_TUNER: 3230 case LINUX_VIDIOC_QUERYCTRL: 3231 case LINUX_VIDIOC_QUERYMENU: 3232 case LINUX_VIDIOC_S_INPUT: 3233 case LINUX_VIDIOC_S_OUTPUT: 3234 case LINUX_VIDIOC_ENUMOUTPUT: 3235 case LINUX_VIDIOC_G_MODULATOR: 3236 case LINUX_VIDIOC_G_FREQUENCY: 3237 case LINUX_VIDIOC_CROPCAP: 3238 case LINUX_VIDIOC_G_CROP: 3239 case LINUX_VIDIOC_ENUMAUDIO: 3240 case LINUX_VIDIOC_ENUMAUDOUT: 3241 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3242 #ifdef VIDIOC_ENUM_FRAMESIZES 3243 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3244 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3245 case LINUX_VIDIOC_ENCODER_CMD: 3246 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3247 #endif 3248 case LINUX_VIDIOC_DBG_G_REGISTER: 3249 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3250 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3251 case LINUX_VIDIOC_S_DV_PRESET: 3252 case LINUX_VIDIOC_G_DV_PRESET: 3253 case LINUX_VIDIOC_S_DV_TIMINGS: 3254 case LINUX_VIDIOC_G_DV_TIMINGS: 3255 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3256 break; 3257 3258 case LINUX_VIDIOC_G_FMT: 3259 case LINUX_VIDIOC_S_FMT: 3260 case LINUX_VIDIOC_TRY_FMT: 3261 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3262 if (error) 3263 return (error); 3264 error = fget(td, args->fd, 3265 &cap_ioctl_rights, &fp); 3266 if (error) 3267 return (error); 3268 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3269 error = EINVAL; 3270 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3271 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3272 td->td_ucred, td); 3273 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3274 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3275 td->td_ucred, td); 3276 else 3277 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3278 td->td_ucred, td); 3279 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3280 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3281 fdrop(fp, td); 3282 return (error); 3283 3284 case LINUX_VIDIOC_ENUMSTD: 3285 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3286 if (error) 3287 return (error); 3288 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3289 error = fget(td, args->fd, 3290 &cap_ioctl_rights, &fp); 3291 if (error) 3292 return (error); 3293 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3294 td->td_ucred, td); 3295 if (error) { 3296 fdrop(fp, td); 3297 return (error); 3298 } 3299 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3300 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3301 fdrop(fp, td); 3302 return (error); 3303 3304 case LINUX_VIDIOC_ENUMINPUT: 3305 /* 3306 * The Linux struct l_v4l2_input differs only in size, 3307 * it has no padding at the end. 3308 */ 3309 error = copyin((void *)args->arg, &vinp, 3310 sizeof(struct l_v4l2_input)); 3311 if (error != 0) 3312 return (error); 3313 error = fget(td, args->fd, 3314 &cap_ioctl_rights, &fp); 3315 if (error != 0) 3316 return (error); 3317 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3318 td->td_ucred, td); 3319 if (error) { 3320 fdrop(fp, td); 3321 return (error); 3322 } 3323 error = copyout(&vinp, (void *)args->arg, 3324 sizeof(struct l_v4l2_input)); 3325 fdrop(fp, td); 3326 return (error); 3327 3328 case LINUX_VIDIOC_QUERYBUF: 3329 case LINUX_VIDIOC_QBUF: 3330 case LINUX_VIDIOC_DQBUF: 3331 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3332 if (error) 3333 return (error); 3334 error = fget(td, args->fd, 3335 &cap_ioctl_rights, &fp); 3336 if (error) 3337 return (error); 3338 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3339 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3340 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3341 td->td_ucred, td); 3342 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3343 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3344 td->td_ucred, td); 3345 else 3346 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3347 td->td_ucred, td); 3348 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3349 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3350 fdrop(fp, td); 3351 return (error); 3352 3353 /* 3354 * XXX TODO - these need 32 -> 64 bit conversion: 3355 * (are any of them needed for webcams?) 3356 */ 3357 case LINUX_VIDIOC_G_FBUF: 3358 case LINUX_VIDIOC_S_FBUF: 3359 3360 case LINUX_VIDIOC_G_EXT_CTRLS: 3361 case LINUX_VIDIOC_S_EXT_CTRLS: 3362 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3363 3364 case LINUX_VIDIOC_DQEVENT: 3365 3366 default: return (ENOIOCTL); 3367 } 3368 3369 error = sys_ioctl(td, (struct ioctl_args *)args); 3370 return (error); 3371 } 3372 3373 /* 3374 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3375 * instead of USB* ones. This lets us to provide correct values for cmd. 3376 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3377 */ 3378 static int 3379 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3380 { 3381 int error; 3382 3383 error = 0; 3384 switch (args->cmd) { 3385 case FBSD_LUSB_DEVICEENUMERATE: 3386 args->cmd = USB_DEVICEENUMERATE; 3387 break; 3388 case FBSD_LUSB_DEV_QUIRK_ADD: 3389 args->cmd = USB_DEV_QUIRK_ADD; 3390 break; 3391 case FBSD_LUSB_DEV_QUIRK_GET: 3392 args->cmd = USB_DEV_QUIRK_GET; 3393 break; 3394 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3395 args->cmd = USB_DEV_QUIRK_REMOVE; 3396 break; 3397 case FBSD_LUSB_DO_REQUEST: 3398 args->cmd = USB_DO_REQUEST; 3399 break; 3400 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3401 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3402 break; 3403 case FBSD_LUSB_FS_CLOSE: 3404 args->cmd = USB_FS_CLOSE; 3405 break; 3406 case FBSD_LUSB_FS_COMPLETE: 3407 args->cmd = USB_FS_COMPLETE; 3408 break; 3409 case FBSD_LUSB_FS_INIT: 3410 args->cmd = USB_FS_INIT; 3411 break; 3412 case FBSD_LUSB_FS_OPEN: 3413 args->cmd = USB_FS_OPEN; 3414 break; 3415 case FBSD_LUSB_FS_START: 3416 args->cmd = USB_FS_START; 3417 break; 3418 case FBSD_LUSB_FS_STOP: 3419 args->cmd = USB_FS_STOP; 3420 break; 3421 case FBSD_LUSB_FS_UNINIT: 3422 args->cmd = USB_FS_UNINIT; 3423 break; 3424 case FBSD_LUSB_GET_CONFIG: 3425 args->cmd = USB_GET_CONFIG; 3426 break; 3427 case FBSD_LUSB_GET_DEVICEINFO: 3428 args->cmd = USB_GET_DEVICEINFO; 3429 break; 3430 case FBSD_LUSB_GET_DEVICE_DESC: 3431 args->cmd = USB_GET_DEVICE_DESC; 3432 break; 3433 case FBSD_LUSB_GET_FULL_DESC: 3434 args->cmd = USB_GET_FULL_DESC; 3435 break; 3436 case FBSD_LUSB_GET_IFACE_DRIVER: 3437 args->cmd = USB_GET_IFACE_DRIVER; 3438 break; 3439 case FBSD_LUSB_GET_PLUGTIME: 3440 args->cmd = USB_GET_PLUGTIME; 3441 break; 3442 case FBSD_LUSB_GET_POWER_MODE: 3443 args->cmd = USB_GET_POWER_MODE; 3444 break; 3445 case FBSD_LUSB_GET_REPORT_DESC: 3446 args->cmd = USB_GET_REPORT_DESC; 3447 break; 3448 case FBSD_LUSB_GET_REPORT_ID: 3449 args->cmd = USB_GET_REPORT_ID; 3450 break; 3451 case FBSD_LUSB_GET_TEMPLATE: 3452 args->cmd = USB_GET_TEMPLATE; 3453 break; 3454 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3455 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3456 break; 3457 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3458 args->cmd = USB_IFACE_DRIVER_DETACH; 3459 break; 3460 case FBSD_LUSB_QUIRK_NAME_GET: 3461 args->cmd = USB_QUIRK_NAME_GET; 3462 break; 3463 case FBSD_LUSB_READ_DIR: 3464 args->cmd = USB_READ_DIR; 3465 break; 3466 case FBSD_LUSB_SET_ALTINTERFACE: 3467 args->cmd = USB_SET_ALTINTERFACE; 3468 break; 3469 case FBSD_LUSB_SET_CONFIG: 3470 args->cmd = USB_SET_CONFIG; 3471 break; 3472 case FBSD_LUSB_SET_IMMED: 3473 args->cmd = USB_SET_IMMED; 3474 break; 3475 case FBSD_LUSB_SET_POWER_MODE: 3476 args->cmd = USB_SET_POWER_MODE; 3477 break; 3478 case FBSD_LUSB_SET_TEMPLATE: 3479 args->cmd = USB_SET_TEMPLATE; 3480 break; 3481 case FBSD_LUSB_FS_OPEN_STREAM: 3482 args->cmd = USB_FS_OPEN_STREAM; 3483 break; 3484 case FBSD_LUSB_GET_DEV_PORT_PATH: 3485 args->cmd = USB_GET_DEV_PORT_PATH; 3486 break; 3487 case FBSD_LUSB_GET_POWER_USAGE: 3488 args->cmd = USB_GET_POWER_USAGE; 3489 break; 3490 case FBSD_LUSB_DEVICESTATS: 3491 args->cmd = USB_DEVICESTATS; 3492 break; 3493 default: 3494 error = ENOIOCTL; 3495 } 3496 if (error != ENOIOCTL) 3497 error = sys_ioctl(td, (struct ioctl_args *)args); 3498 return (error); 3499 } 3500 3501 /* 3502 * Some evdev ioctls must be translated. 3503 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3504 * (must be IOC_INOUT on FreeBSD). 3505 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3506 * an int argument. You don't pass an int pointer to the ioctl(), however, 3507 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3508 * this to work. 3509 */ 3510 static int 3511 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3512 { 3513 struct file *fp; 3514 clockid_t clock; 3515 int error; 3516 3517 args->cmd = SETDIR(args->cmd); 3518 3519 switch (args->cmd) { 3520 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3521 args->cmd = EVIOCGRAB; 3522 break; 3523 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3524 args->cmd = EVIOCREVOKE; 3525 break; 3526 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3527 args->cmd = EVIOCRMFF; 3528 break; 3529 case EVIOCSCLOCKID: { 3530 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3531 if (error != 0) 3532 return (error); 3533 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3534 return (EINVAL); 3535 error = linux_to_native_clockid(&clock, clock); 3536 if (error != 0) 3537 return (error); 3538 3539 error = fget(td, args->fd, 3540 &cap_ioctl_rights, &fp); 3541 if (error != 0) 3542 return (error); 3543 3544 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3545 fdrop(fp, td); 3546 return (error); 3547 } 3548 default: 3549 break; 3550 } 3551 3552 if (IOCBASECMD(args->cmd) == 3553 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3554 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3555 3556 return (sys_ioctl(td, (struct ioctl_args *)args)); 3557 } 3558 3559 static int 3560 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3561 { 3562 int error; 3563 3564 error = 0; 3565 switch (args->cmd & 0xffff) { 3566 case LINUX_KCOV_INIT_TRACE: 3567 args->cmd = KIOSETBUFSIZE; 3568 break; 3569 case LINUX_KCOV_ENABLE: 3570 args->cmd = KIOENABLE; 3571 if (args->arg == 0) 3572 args->arg = KCOV_MODE_TRACE_PC; 3573 else if (args->arg == 1) 3574 args->arg = KCOV_MODE_TRACE_CMP; 3575 else 3576 error = EINVAL; 3577 break; 3578 case LINUX_KCOV_DISABLE: 3579 args->cmd = KIODISABLE; 3580 break; 3581 default: 3582 error = ENOTTY; 3583 break; 3584 } 3585 3586 if (error == 0) 3587 error = sys_ioctl(td, (struct ioctl_args *)args); 3588 return (error); 3589 } 3590 3591 /* 3592 * main ioctl syscall function 3593 */ 3594 3595 static int 3596 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3597 { 3598 struct file *fp; 3599 struct linux_ioctl_handler_element *he; 3600 int error, cmd; 3601 3602 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3603 if (error != 0) 3604 return (error); 3605 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3606 fdrop(fp, td); 3607 return (EBADF); 3608 } 3609 3610 /* Iterate over the ioctl handlers */ 3611 cmd = args->cmd & 0xffff; 3612 sx_slock(&linux_ioctl_sx); 3613 mtx_lock(&Giant); 3614 #ifdef COMPAT_LINUX32 3615 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3616 if (cmd >= he->low && cmd <= he->high) { 3617 error = (*he->func)(td, args); 3618 if (error != ENOIOCTL) { 3619 mtx_unlock(&Giant); 3620 sx_sunlock(&linux_ioctl_sx); 3621 fdrop(fp, td); 3622 return (error); 3623 } 3624 } 3625 } 3626 #endif 3627 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3628 if (cmd >= he->low && cmd <= he->high) { 3629 error = (*he->func)(td, args); 3630 if (error != ENOIOCTL) { 3631 mtx_unlock(&Giant); 3632 sx_sunlock(&linux_ioctl_sx); 3633 fdrop(fp, td); 3634 return (error); 3635 } 3636 } 3637 } 3638 mtx_unlock(&Giant); 3639 sx_sunlock(&linux_ioctl_sx); 3640 fdrop(fp, td); 3641 3642 switch (args->cmd & 0xffff) { 3643 case LINUX_BTRFS_IOC_CLONE: 3644 case LINUX_F2FS_IOC_GET_FEATURES: 3645 case LINUX_FS_IOC_FIEMAP: 3646 return (ENOTSUP); 3647 3648 default: 3649 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3650 __func__, args->fd, args->cmd, 3651 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3652 break; 3653 } 3654 3655 return (EINVAL); 3656 } 3657 3658 int 3659 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3660 { 3661 struct linux_ioctl_handler *handler; 3662 int error, cmd, i; 3663 3664 cmd = args->cmd & 0xffff; 3665 3666 /* 3667 * array of ioctls known at compilation time. Elides a lot of work on 3668 * each call compared to the list variant. Everything frequently used 3669 * should be moved here. 3670 * 3671 * Arguably the magic creating the list should create an array instead. 3672 * 3673 * For now just a linear scan. 3674 */ 3675 for (i = 0; i < nitems(linux_ioctls); i++) { 3676 handler = &linux_ioctls[i]; 3677 if (cmd >= handler->low && cmd <= handler->high) { 3678 error = (*handler->func)(td, args); 3679 if (error != ENOIOCTL) { 3680 return (error); 3681 } 3682 } 3683 } 3684 return (linux_ioctl_fallback(td, args)); 3685 } 3686 3687 int 3688 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3689 { 3690 struct linux_ioctl_handler_element *he, *cur; 3691 3692 if (h == NULL || h->func == NULL) 3693 return (EINVAL); 3694 3695 /* 3696 * Reuse the element if the handler is already on the list, otherwise 3697 * create a new element. 3698 */ 3699 sx_xlock(&linux_ioctl_sx); 3700 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3701 if (he->func == h->func) 3702 break; 3703 } 3704 if (he == NULL) { 3705 he = malloc(sizeof(*he), 3706 M_LINUX, M_WAITOK); 3707 he->func = h->func; 3708 } else 3709 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3710 3711 /* Initialize range information. */ 3712 he->low = h->low; 3713 he->high = h->high; 3714 he->span = h->high - h->low + 1; 3715 3716 /* Add the element to the list, sorted on span. */ 3717 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3718 if (cur->span > he->span) { 3719 TAILQ_INSERT_BEFORE(cur, he, list); 3720 sx_xunlock(&linux_ioctl_sx); 3721 return (0); 3722 } 3723 } 3724 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3725 sx_xunlock(&linux_ioctl_sx); 3726 3727 return (0); 3728 } 3729 3730 int 3731 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3732 { 3733 struct linux_ioctl_handler_element *he; 3734 3735 if (h == NULL || h->func == NULL) 3736 return (EINVAL); 3737 3738 sx_xlock(&linux_ioctl_sx); 3739 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3740 if (he->func == h->func) { 3741 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3742 sx_xunlock(&linux_ioctl_sx); 3743 free(he, M_LINUX); 3744 return (0); 3745 } 3746 } 3747 sx_xunlock(&linux_ioctl_sx); 3748 3749 return (EINVAL); 3750 } 3751 3752 #ifdef COMPAT_LINUX32 3753 int 3754 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3755 { 3756 struct linux_ioctl_handler_element *he, *cur; 3757 3758 if (h == NULL || h->func == NULL) 3759 return (EINVAL); 3760 3761 /* 3762 * Reuse the element if the handler is already on the list, otherwise 3763 * create a new element. 3764 */ 3765 sx_xlock(&linux_ioctl_sx); 3766 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3767 if (he->func == h->func) 3768 break; 3769 } 3770 if (he == NULL) { 3771 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3772 he->func = h->func; 3773 } else 3774 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3775 3776 /* Initialize range information. */ 3777 he->low = h->low; 3778 he->high = h->high; 3779 he->span = h->high - h->low + 1; 3780 3781 /* Add the element to the list, sorted on span. */ 3782 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3783 if (cur->span > he->span) { 3784 TAILQ_INSERT_BEFORE(cur, he, list); 3785 sx_xunlock(&linux_ioctl_sx); 3786 return (0); 3787 } 3788 } 3789 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3790 sx_xunlock(&linux_ioctl_sx); 3791 3792 return (0); 3793 } 3794 3795 int 3796 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3797 { 3798 struct linux_ioctl_handler_element *he; 3799 3800 if (h == NULL || h->func == NULL) 3801 return (EINVAL); 3802 3803 sx_xlock(&linux_ioctl_sx); 3804 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3805 if (he->func == h->func) { 3806 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3807 sx_xunlock(&linux_ioctl_sx); 3808 free(he, M_LINUX); 3809 return (0); 3810 } 3811 } 3812 sx_xunlock(&linux_ioctl_sx); 3813 3814 return (EINVAL); 3815 } 3816 #endif 3817