1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1994-1995 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "opt_compat.h" 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/sysproto.h> 37 #ifdef COMPAT_LINUX32 38 #include <sys/abi_compat.h> 39 #endif 40 #include <sys/capsicum.h> 41 #include <sys/cdio.h> 42 #include <sys/dvdio.h> 43 #include <sys/conf.h> 44 #include <sys/disk.h> 45 #include <sys/consio.h> 46 #include <sys/ctype.h> 47 #include <sys/fcntl.h> 48 #include <sys/file.h> 49 #include <sys/filedesc.h> 50 #include <sys/filio.h> 51 #include <sys/jail.h> 52 #include <sys/kbio.h> 53 #include <sys/kcov.h> 54 #include <sys/kernel.h> 55 #include <sys/linker_set.h> 56 #include <sys/lock.h> 57 #include <sys/malloc.h> 58 #include <sys/proc.h> 59 #include <sys/sbuf.h> 60 #include <sys/socket.h> 61 #include <sys/sockio.h> 62 #include <sys/soundcard.h> 63 #include <sys/stdint.h> 64 #include <sys/sx.h> 65 #include <sys/sysctl.h> 66 #include <sys/tty.h> 67 #include <sys/uio.h> 68 #include <sys/types.h> 69 #include <sys/mman.h> 70 #include <sys/resourcevar.h> 71 72 #include <net/if.h> 73 #include <net/if_var.h> 74 #include <net/if_dl.h> 75 #include <net/if_types.h> 76 77 #include <dev/evdev/input.h> 78 #include <dev/usb/usb_ioctl.h> 79 80 #ifdef COMPAT_LINUX32 81 #include <machine/../linux32/linux.h> 82 #include <machine/../linux32/linux32_proto.h> 83 #else 84 #include <machine/../linux/linux.h> 85 #include <machine/../linux/linux_proto.h> 86 #endif 87 88 #include <compat/linux/linux_common.h> 89 #include <compat/linux/linux_ioctl.h> 90 #include <compat/linux/linux_mib.h> 91 #include <compat/linux/linux_socket.h> 92 #include <compat/linux/linux_timer.h> 93 #include <compat/linux/linux_util.h> 94 95 #include <contrib/v4l/videodev.h> 96 #include <compat/linux/linux_videodev_compat.h> 97 98 #include <contrib/v4l/videodev2.h> 99 #include <compat/linux/linux_videodev2_compat.h> 100 101 #include <cam/scsi/scsi_sg.h> 102 103 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 104 105 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \ 106 static linux_ioctl_function_t linux_ioctl_ ## shortname; \ 107 static struct linux_ioctl_handler shortname ## _handler = { \ 108 .func = linux_ioctl_ ## shortname, \ 109 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \ 110 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \ 111 }; \ 112 DATA_SET(linux_ioctl_handler_set, shortname ## _handler) 113 114 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM); 115 DEFINE_LINUX_IOCTL_SET(vfat, VFAT); 116 DEFINE_LINUX_IOCTL_SET(console, CONSOLE); 117 DEFINE_LINUX_IOCTL_SET(hdio, HDIO); 118 DEFINE_LINUX_IOCTL_SET(disk, DISK); 119 DEFINE_LINUX_IOCTL_SET(socket, SOCKET); 120 DEFINE_LINUX_IOCTL_SET(sound, SOUND); 121 DEFINE_LINUX_IOCTL_SET(termio, TERMIO); 122 DEFINE_LINUX_IOCTL_SET(private, PRIVATE); 123 DEFINE_LINUX_IOCTL_SET(drm, DRM); 124 DEFINE_LINUX_IOCTL_SET(sg, SG); 125 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO); 126 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2); 127 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB); 128 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV); 129 DEFINE_LINUX_IOCTL_SET(kcov, KCOV); 130 131 #undef DEFINE_LINUX_IOCTL_SET 132 133 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *); 134 135 /* 136 * Keep sorted by low. 137 */ 138 static struct linux_ioctl_handler linux_ioctls[] = { 139 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 140 .high = LINUX_IOCTL_TERMIO_MAX }, 141 }; 142 143 #ifdef __i386__ 144 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 145 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 146 static struct sx linux_ioctl_sx; 147 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 148 #else 149 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 150 extern struct sx linux_ioctl_sx; 151 #endif 152 #ifdef COMPAT_LINUX32 153 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 154 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 155 #endif 156 157 /* 158 * hdio related ioctls for VMWare support 159 */ 160 161 struct linux_hd_geometry { 162 uint8_t heads; 163 uint8_t sectors; 164 uint16_t cylinders; 165 uint32_t start; 166 }; 167 168 struct linux_hd_big_geometry { 169 uint8_t heads; 170 uint8_t sectors; 171 uint32_t cylinders; 172 uint32_t start; 173 }; 174 175 static int 176 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 177 { 178 struct file *fp; 179 int error; 180 u_int sectorsize, fwcylinders, fwheads, fwsectors; 181 off_t mediasize, bytespercyl; 182 183 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 184 if (error != 0) 185 return (error); 186 switch (args->cmd & 0xffff) { 187 case LINUX_HDIO_GET_GEO: 188 case LINUX_HDIO_GET_GEO_BIG: 189 error = fo_ioctl(fp, DIOCGMEDIASIZE, 190 (caddr_t)&mediasize, td->td_ucred, td); 191 if (!error) 192 error = fo_ioctl(fp, DIOCGSECTORSIZE, 193 (caddr_t)§orsize, td->td_ucred, td); 194 if (!error) 195 error = fo_ioctl(fp, DIOCGFWHEADS, 196 (caddr_t)&fwheads, td->td_ucred, td); 197 if (!error) 198 error = fo_ioctl(fp, DIOCGFWSECTORS, 199 (caddr_t)&fwsectors, td->td_ucred, td); 200 /* 201 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 202 * so pretend that GEOM always says 0. This is NOT VALID 203 * for slices or partitions, only the per-disk raw devices. 204 */ 205 206 fdrop(fp, td); 207 if (error) 208 return (error); 209 /* 210 * 1. Calculate the number of bytes in a cylinder, 211 * given the firmware's notion of heads and sectors 212 * per cylinder. 213 * 2. Calculate the number of cylinders, given the total 214 * size of the media. 215 * All internal calculations should have 64-bit precision. 216 */ 217 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 218 fwcylinders = mediasize / bytespercyl; 219 220 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 221 struct linux_hd_geometry hdg; 222 223 hdg.cylinders = fwcylinders; 224 hdg.heads = fwheads; 225 hdg.sectors = fwsectors; 226 hdg.start = 0; 227 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 228 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 229 struct linux_hd_big_geometry hdbg; 230 231 memset(&hdbg, 0, sizeof(hdbg)); 232 hdbg.cylinders = fwcylinders; 233 hdbg.heads = fwheads; 234 hdbg.sectors = fwsectors; 235 hdbg.start = 0; 236 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 237 } 238 return (error); 239 break; 240 default: 241 /* XXX */ 242 linux_msg(td, 243 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 244 __func__, args->fd, args->cmd, 245 (int)(args->cmd & 0xff00) >> 8, 246 (int)(args->cmd & 0xff)); 247 break; 248 } 249 fdrop(fp, td); 250 return (ENOIOCTL); 251 } 252 253 static int 254 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 255 { 256 struct file *fp; 257 int error; 258 u_int sectorsize, psectorsize; 259 uint64_t blksize64; 260 off_t mediasize, stripesize; 261 262 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 263 if (error != 0) 264 return (error); 265 switch (args->cmd & 0xffff) { 266 case LINUX_BLKGETSIZE: 267 error = fo_ioctl(fp, DIOCGSECTORSIZE, 268 (caddr_t)§orsize, td->td_ucred, td); 269 if (!error) 270 error = fo_ioctl(fp, DIOCGMEDIASIZE, 271 (caddr_t)&mediasize, td->td_ucred, td); 272 fdrop(fp, td); 273 if (error) 274 return (error); 275 sectorsize = mediasize / sectorsize; 276 /* 277 * XXX: How do we know we return the right size of integer ? 278 */ 279 return (copyout(§orsize, (void *)args->arg, 280 sizeof(sectorsize))); 281 break; 282 case LINUX_BLKGETSIZE64: 283 error = fo_ioctl(fp, DIOCGMEDIASIZE, 284 (caddr_t)&mediasize, td->td_ucred, td); 285 fdrop(fp, td); 286 if (error) 287 return (error); 288 blksize64 = mediasize;; 289 return (copyout(&blksize64, (void *)args->arg, 290 sizeof(blksize64))); 291 case LINUX_BLKSSZGET: 292 error = fo_ioctl(fp, DIOCGSECTORSIZE, 293 (caddr_t)§orsize, td->td_ucred, td); 294 fdrop(fp, td); 295 if (error) 296 return (error); 297 return (copyout(§orsize, (void *)args->arg, 298 sizeof(sectorsize))); 299 break; 300 case LINUX_BLKPBSZGET: 301 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 302 (caddr_t)&stripesize, td->td_ucred, td); 303 if (error != 0) { 304 fdrop(fp, td); 305 return (error); 306 } 307 if (stripesize > 0 && stripesize <= 4096) { 308 psectorsize = stripesize; 309 } else { 310 error = fo_ioctl(fp, DIOCGSECTORSIZE, 311 (caddr_t)§orsize, td->td_ucred, td); 312 if (error != 0) { 313 fdrop(fp, td); 314 return (error); 315 } 316 psectorsize = sectorsize; 317 } 318 fdrop(fp, td); 319 return (copyout(&psectorsize, (void *)args->arg, 320 sizeof(psectorsize))); 321 } 322 fdrop(fp, td); 323 return (ENOIOCTL); 324 } 325 326 /* 327 * termio related ioctls 328 */ 329 330 struct linux_termio { 331 unsigned short c_iflag; 332 unsigned short c_oflag; 333 unsigned short c_cflag; 334 unsigned short c_lflag; 335 unsigned char c_line; 336 unsigned char c_cc[LINUX_NCC]; 337 }; 338 339 struct linux_termios { 340 unsigned int c_iflag; 341 unsigned int c_oflag; 342 unsigned int c_cflag; 343 unsigned int c_lflag; 344 unsigned char c_line; 345 unsigned char c_cc[LINUX_NCCS]; 346 }; 347 348 struct linux_winsize { 349 unsigned short ws_row, ws_col; 350 unsigned short ws_xpixel, ws_ypixel; 351 }; 352 353 struct speedtab { 354 int sp_speed; /* Speed. */ 355 int sp_code; /* Code. */ 356 }; 357 358 static struct speedtab sptab[] = { 359 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 360 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 361 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 362 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 363 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 364 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 365 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 366 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 367 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 368 {-1, -1 } 369 }; 370 371 struct linux_serial_struct { 372 int type; 373 int line; 374 int port; 375 int irq; 376 int flags; 377 int xmit_fifo_size; 378 int custom_divisor; 379 int baud_base; 380 unsigned short close_delay; 381 char reserved_char[2]; 382 int hub6; 383 unsigned short closing_wait; 384 unsigned short closing_wait2; 385 int reserved[4]; 386 }; 387 388 static int 389 linux_to_bsd_speed(int code, struct speedtab *table) 390 { 391 for ( ; table->sp_code != -1; table++) 392 if (table->sp_code == code) 393 return (table->sp_speed); 394 return (-1); 395 } 396 397 static int 398 bsd_to_linux_speed(int speed, struct speedtab *table) 399 { 400 for ( ; table->sp_speed != -1; table++) 401 if (table->sp_speed == speed) 402 return (table->sp_code); 403 return (-1); 404 } 405 406 static void 407 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 408 { 409 int i; 410 411 lios->c_iflag = 0; 412 if (bios->c_iflag & IGNBRK) 413 lios->c_iflag |= LINUX_IGNBRK; 414 if (bios->c_iflag & BRKINT) 415 lios->c_iflag |= LINUX_BRKINT; 416 if (bios->c_iflag & IGNPAR) 417 lios->c_iflag |= LINUX_IGNPAR; 418 if (bios->c_iflag & PARMRK) 419 lios->c_iflag |= LINUX_PARMRK; 420 if (bios->c_iflag & INPCK) 421 lios->c_iflag |= LINUX_INPCK; 422 if (bios->c_iflag & ISTRIP) 423 lios->c_iflag |= LINUX_ISTRIP; 424 if (bios->c_iflag & INLCR) 425 lios->c_iflag |= LINUX_INLCR; 426 if (bios->c_iflag & IGNCR) 427 lios->c_iflag |= LINUX_IGNCR; 428 if (bios->c_iflag & ICRNL) 429 lios->c_iflag |= LINUX_ICRNL; 430 if (bios->c_iflag & IXON) 431 lios->c_iflag |= LINUX_IXON; 432 if (bios->c_iflag & IXANY) 433 lios->c_iflag |= LINUX_IXANY; 434 if (bios->c_iflag & IXOFF) 435 lios->c_iflag |= LINUX_IXOFF; 436 if (bios->c_iflag & IMAXBEL) 437 lios->c_iflag |= LINUX_IMAXBEL; 438 439 lios->c_oflag = 0; 440 if (bios->c_oflag & OPOST) 441 lios->c_oflag |= LINUX_OPOST; 442 if (bios->c_oflag & ONLCR) 443 lios->c_oflag |= LINUX_ONLCR; 444 if (bios->c_oflag & TAB3) 445 lios->c_oflag |= LINUX_XTABS; 446 447 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 448 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 449 if (bios->c_cflag & CSTOPB) 450 lios->c_cflag |= LINUX_CSTOPB; 451 if (bios->c_cflag & CREAD) 452 lios->c_cflag |= LINUX_CREAD; 453 if (bios->c_cflag & PARENB) 454 lios->c_cflag |= LINUX_PARENB; 455 if (bios->c_cflag & PARODD) 456 lios->c_cflag |= LINUX_PARODD; 457 if (bios->c_cflag & HUPCL) 458 lios->c_cflag |= LINUX_HUPCL; 459 if (bios->c_cflag & CLOCAL) 460 lios->c_cflag |= LINUX_CLOCAL; 461 if (bios->c_cflag & CRTSCTS) 462 lios->c_cflag |= LINUX_CRTSCTS; 463 464 lios->c_lflag = 0; 465 if (bios->c_lflag & ISIG) 466 lios->c_lflag |= LINUX_ISIG; 467 if (bios->c_lflag & ICANON) 468 lios->c_lflag |= LINUX_ICANON; 469 if (bios->c_lflag & ECHO) 470 lios->c_lflag |= LINUX_ECHO; 471 if (bios->c_lflag & ECHOE) 472 lios->c_lflag |= LINUX_ECHOE; 473 if (bios->c_lflag & ECHOK) 474 lios->c_lflag |= LINUX_ECHOK; 475 if (bios->c_lflag & ECHONL) 476 lios->c_lflag |= LINUX_ECHONL; 477 if (bios->c_lflag & NOFLSH) 478 lios->c_lflag |= LINUX_NOFLSH; 479 if (bios->c_lflag & TOSTOP) 480 lios->c_lflag |= LINUX_TOSTOP; 481 if (bios->c_lflag & ECHOCTL) 482 lios->c_lflag |= LINUX_ECHOCTL; 483 if (bios->c_lflag & ECHOPRT) 484 lios->c_lflag |= LINUX_ECHOPRT; 485 if (bios->c_lflag & ECHOKE) 486 lios->c_lflag |= LINUX_ECHOKE; 487 if (bios->c_lflag & FLUSHO) 488 lios->c_lflag |= LINUX_FLUSHO; 489 if (bios->c_lflag & PENDIN) 490 lios->c_lflag |= LINUX_PENDIN; 491 if (bios->c_lflag & IEXTEN) 492 lios->c_lflag |= LINUX_IEXTEN; 493 494 for (i=0; i<LINUX_NCCS; i++) 495 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 496 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 497 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 498 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 499 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 500 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 501 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 502 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 503 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 504 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 505 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 506 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 507 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 508 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 509 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 510 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 511 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 512 if (linux_preserve_vstatus) 513 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 514 515 for (i=0; i<LINUX_NCCS; i++) { 516 if (i != LINUX_VMIN && i != LINUX_VTIME && 517 lios->c_cc[i] == _POSIX_VDISABLE) 518 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 519 } 520 lios->c_line = 0; 521 } 522 523 static void 524 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 525 { 526 int i; 527 528 bios->c_iflag = 0; 529 if (lios->c_iflag & LINUX_IGNBRK) 530 bios->c_iflag |= IGNBRK; 531 if (lios->c_iflag & LINUX_BRKINT) 532 bios->c_iflag |= BRKINT; 533 if (lios->c_iflag & LINUX_IGNPAR) 534 bios->c_iflag |= IGNPAR; 535 if (lios->c_iflag & LINUX_PARMRK) 536 bios->c_iflag |= PARMRK; 537 if (lios->c_iflag & LINUX_INPCK) 538 bios->c_iflag |= INPCK; 539 if (lios->c_iflag & LINUX_ISTRIP) 540 bios->c_iflag |= ISTRIP; 541 if (lios->c_iflag & LINUX_INLCR) 542 bios->c_iflag |= INLCR; 543 if (lios->c_iflag & LINUX_IGNCR) 544 bios->c_iflag |= IGNCR; 545 if (lios->c_iflag & LINUX_ICRNL) 546 bios->c_iflag |= ICRNL; 547 if (lios->c_iflag & LINUX_IXON) 548 bios->c_iflag |= IXON; 549 if (lios->c_iflag & LINUX_IXANY) 550 bios->c_iflag |= IXANY; 551 if (lios->c_iflag & LINUX_IXOFF) 552 bios->c_iflag |= IXOFF; 553 if (lios->c_iflag & LINUX_IMAXBEL) 554 bios->c_iflag |= IMAXBEL; 555 556 bios->c_oflag = 0; 557 if (lios->c_oflag & LINUX_OPOST) 558 bios->c_oflag |= OPOST; 559 if (lios->c_oflag & LINUX_ONLCR) 560 bios->c_oflag |= ONLCR; 561 if (lios->c_oflag & LINUX_XTABS) 562 bios->c_oflag |= TAB3; 563 564 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 565 if (lios->c_cflag & LINUX_CSTOPB) 566 bios->c_cflag |= CSTOPB; 567 if (lios->c_cflag & LINUX_CREAD) 568 bios->c_cflag |= CREAD; 569 if (lios->c_cflag & LINUX_PARENB) 570 bios->c_cflag |= PARENB; 571 if (lios->c_cflag & LINUX_PARODD) 572 bios->c_cflag |= PARODD; 573 if (lios->c_cflag & LINUX_HUPCL) 574 bios->c_cflag |= HUPCL; 575 if (lios->c_cflag & LINUX_CLOCAL) 576 bios->c_cflag |= CLOCAL; 577 if (lios->c_cflag & LINUX_CRTSCTS) 578 bios->c_cflag |= CRTSCTS; 579 580 bios->c_lflag = 0; 581 if (lios->c_lflag & LINUX_ISIG) 582 bios->c_lflag |= ISIG; 583 if (lios->c_lflag & LINUX_ICANON) 584 bios->c_lflag |= ICANON; 585 if (lios->c_lflag & LINUX_ECHO) 586 bios->c_lflag |= ECHO; 587 if (lios->c_lflag & LINUX_ECHOE) 588 bios->c_lflag |= ECHOE; 589 if (lios->c_lflag & LINUX_ECHOK) 590 bios->c_lflag |= ECHOK; 591 if (lios->c_lflag & LINUX_ECHONL) 592 bios->c_lflag |= ECHONL; 593 if (lios->c_lflag & LINUX_NOFLSH) 594 bios->c_lflag |= NOFLSH; 595 if (lios->c_lflag & LINUX_TOSTOP) 596 bios->c_lflag |= TOSTOP; 597 if (lios->c_lflag & LINUX_ECHOCTL) 598 bios->c_lflag |= ECHOCTL; 599 if (lios->c_lflag & LINUX_ECHOPRT) 600 bios->c_lflag |= ECHOPRT; 601 if (lios->c_lflag & LINUX_ECHOKE) 602 bios->c_lflag |= ECHOKE; 603 if (lios->c_lflag & LINUX_FLUSHO) 604 bios->c_lflag |= FLUSHO; 605 if (lios->c_lflag & LINUX_PENDIN) 606 bios->c_lflag |= PENDIN; 607 if (lios->c_lflag & LINUX_IEXTEN) 608 bios->c_lflag |= IEXTEN; 609 610 for (i=0; i<NCCS; i++) 611 bios->c_cc[i] = _POSIX_VDISABLE; 612 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 613 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 614 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 615 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 616 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 617 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 618 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 619 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 620 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 621 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 622 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 623 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 624 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 625 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 626 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 627 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 628 if (linux_preserve_vstatus) 629 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 630 631 for (i=0; i<NCCS; i++) { 632 if (i != VMIN && i != VTIME && 633 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 634 bios->c_cc[i] = _POSIX_VDISABLE; 635 } 636 637 bios->c_ispeed = bios->c_ospeed = 638 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 639 } 640 641 static void 642 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 643 { 644 struct linux_termios lios; 645 646 memset(lio, 0, sizeof(*lio)); 647 bsd_to_linux_termios(bios, &lios); 648 lio->c_iflag = lios.c_iflag; 649 lio->c_oflag = lios.c_oflag; 650 lio->c_cflag = lios.c_cflag; 651 lio->c_lflag = lios.c_lflag; 652 lio->c_line = lios.c_line; 653 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 654 } 655 656 static void 657 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 658 { 659 struct linux_termios lios; 660 int i; 661 662 lios.c_iflag = lio->c_iflag; 663 lios.c_oflag = lio->c_oflag; 664 lios.c_cflag = lio->c_cflag; 665 lios.c_lflag = lio->c_lflag; 666 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 667 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 668 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 669 linux_to_bsd_termios(&lios, bios); 670 } 671 672 static int 673 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 674 { 675 struct termios bios; 676 struct linux_termios lios; 677 struct linux_termio lio; 678 struct file *fp; 679 int error; 680 681 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 682 if (error != 0) 683 return (error); 684 685 switch (args->cmd & 0xffff) { 686 case LINUX_TCGETS: 687 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 688 td); 689 if (error) 690 break; 691 bsd_to_linux_termios(&bios, &lios); 692 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 693 break; 694 695 case LINUX_TCSETS: 696 error = copyin((void *)args->arg, &lios, sizeof(lios)); 697 if (error) 698 break; 699 linux_to_bsd_termios(&lios, &bios); 700 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 701 td)); 702 break; 703 704 case LINUX_TCSETSW: 705 error = copyin((void *)args->arg, &lios, sizeof(lios)); 706 if (error) 707 break; 708 linux_to_bsd_termios(&lios, &bios); 709 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 710 td)); 711 break; 712 713 case LINUX_TCSETSF: 714 error = copyin((void *)args->arg, &lios, sizeof(lios)); 715 if (error) 716 break; 717 linux_to_bsd_termios(&lios, &bios); 718 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 719 td)); 720 break; 721 722 case LINUX_TCGETA: 723 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 724 td); 725 if (error) 726 break; 727 bsd_to_linux_termio(&bios, &lio); 728 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 729 break; 730 731 case LINUX_TCSETA: 732 error = copyin((void *)args->arg, &lio, sizeof(lio)); 733 if (error) 734 break; 735 linux_to_bsd_termio(&lio, &bios); 736 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 737 td)); 738 break; 739 740 case LINUX_TCSETAW: 741 error = copyin((void *)args->arg, &lio, sizeof(lio)); 742 if (error) 743 break; 744 linux_to_bsd_termio(&lio, &bios); 745 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 746 td)); 747 break; 748 749 case LINUX_TCSETAF: 750 error = copyin((void *)args->arg, &lio, sizeof(lio)); 751 if (error) 752 break; 753 linux_to_bsd_termio(&lio, &bios); 754 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 755 td)); 756 break; 757 758 case LINUX_TCSBRK: 759 if (args->arg != 0) { 760 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred, 761 td)); 762 } else { 763 linux_msg(td, "ioctl TCSBRK arg 0 not implemented"); 764 error = ENOIOCTL; 765 } 766 break; 767 768 case LINUX_TCXONC: { 769 switch (args->arg) { 770 case LINUX_TCOOFF: 771 args->cmd = TIOCSTOP; 772 break; 773 case LINUX_TCOON: 774 args->cmd = TIOCSTART; 775 break; 776 case LINUX_TCIOFF: 777 case LINUX_TCION: { 778 int c; 779 struct write_args wr; 780 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 781 td->td_ucred, td); 782 if (error) 783 break; 784 fdrop(fp, td); 785 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 786 c = bios.c_cc[c]; 787 if (c != _POSIX_VDISABLE) { 788 wr.fd = args->fd; 789 wr.buf = &c; 790 wr.nbyte = sizeof(c); 791 return (sys_write(td, &wr)); 792 } else 793 return (0); 794 } 795 default: 796 fdrop(fp, td); 797 return (EINVAL); 798 } 799 args->arg = 0; 800 error = (sys_ioctl(td, (struct ioctl_args *)args)); 801 break; 802 } 803 804 case LINUX_TCFLSH: { 805 int val; 806 switch (args->arg) { 807 case LINUX_TCIFLUSH: 808 val = FREAD; 809 break; 810 case LINUX_TCOFLUSH: 811 val = FWRITE; 812 break; 813 case LINUX_TCIOFLUSH: 814 val = FREAD | FWRITE; 815 break; 816 default: 817 fdrop(fp, td); 818 return (EINVAL); 819 } 820 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 821 break; 822 } 823 824 case LINUX_TIOCEXCL: 825 args->cmd = TIOCEXCL; 826 error = (sys_ioctl(td, (struct ioctl_args *)args)); 827 break; 828 829 case LINUX_TIOCNXCL: 830 args->cmd = TIOCNXCL; 831 error = (sys_ioctl(td, (struct ioctl_args *)args)); 832 break; 833 834 case LINUX_TIOCSCTTY: 835 args->cmd = TIOCSCTTY; 836 error = (sys_ioctl(td, (struct ioctl_args *)args)); 837 break; 838 839 case LINUX_TIOCGPGRP: 840 args->cmd = TIOCGPGRP; 841 error = (sys_ioctl(td, (struct ioctl_args *)args)); 842 break; 843 844 case LINUX_TIOCSPGRP: 845 args->cmd = TIOCSPGRP; 846 error = (sys_ioctl(td, (struct ioctl_args *)args)); 847 break; 848 849 /* LINUX_TIOCOUTQ */ 850 /* LINUX_TIOCSTI */ 851 852 case LINUX_TIOCGWINSZ: 853 args->cmd = TIOCGWINSZ; 854 error = (sys_ioctl(td, (struct ioctl_args *)args)); 855 break; 856 857 case LINUX_TIOCSWINSZ: 858 args->cmd = TIOCSWINSZ; 859 error = (sys_ioctl(td, (struct ioctl_args *)args)); 860 break; 861 862 case LINUX_TIOCMGET: 863 args->cmd = TIOCMGET; 864 error = (sys_ioctl(td, (struct ioctl_args *)args)); 865 break; 866 867 case LINUX_TIOCMBIS: 868 args->cmd = TIOCMBIS; 869 error = (sys_ioctl(td, (struct ioctl_args *)args)); 870 break; 871 872 case LINUX_TIOCMBIC: 873 args->cmd = TIOCMBIC; 874 error = (sys_ioctl(td, (struct ioctl_args *)args)); 875 break; 876 877 case LINUX_TIOCMSET: 878 args->cmd = TIOCMSET; 879 error = (sys_ioctl(td, (struct ioctl_args *)args)); 880 break; 881 882 /* TIOCGSOFTCAR */ 883 /* TIOCSSOFTCAR */ 884 885 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 886 args->cmd = FIONREAD; 887 error = (sys_ioctl(td, (struct ioctl_args *)args)); 888 break; 889 890 /* LINUX_TIOCLINUX */ 891 892 case LINUX_TIOCCONS: 893 args->cmd = TIOCCONS; 894 error = (sys_ioctl(td, (struct ioctl_args *)args)); 895 break; 896 897 case LINUX_TIOCGSERIAL: { 898 struct linux_serial_struct lss; 899 900 bzero(&lss, sizeof(lss)); 901 lss.type = LINUX_PORT_16550A; 902 lss.flags = 0; 903 lss.close_delay = 0; 904 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 905 break; 906 } 907 908 case LINUX_TIOCSSERIAL: { 909 struct linux_serial_struct lss; 910 error = copyin((void *)args->arg, &lss, sizeof(lss)); 911 if (error) 912 break; 913 /* XXX - It really helps to have an implementation that 914 * does nothing. NOT! 915 */ 916 error = 0; 917 break; 918 } 919 920 case LINUX_TIOCPKT: 921 args->cmd = TIOCPKT; 922 error = (sys_ioctl(td, (struct ioctl_args *)args)); 923 break; 924 925 case LINUX_FIONBIO: 926 args->cmd = FIONBIO; 927 error = (sys_ioctl(td, (struct ioctl_args *)args)); 928 break; 929 930 case LINUX_TIOCNOTTY: 931 args->cmd = TIOCNOTTY; 932 error = (sys_ioctl(td, (struct ioctl_args *)args)); 933 break; 934 935 case LINUX_TIOCSETD: { 936 int line; 937 switch (args->arg) { 938 case LINUX_N_TTY: 939 line = TTYDISC; 940 break; 941 case LINUX_N_SLIP: 942 line = SLIPDISC; 943 break; 944 case LINUX_N_PPP: 945 line = PPPDISC; 946 break; 947 default: 948 fdrop(fp, td); 949 return (EINVAL); 950 } 951 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 952 td)); 953 break; 954 } 955 956 case LINUX_TIOCGETD: { 957 int linux_line; 958 int bsd_line = TTYDISC; 959 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 960 td->td_ucred, td); 961 if (error) 962 break; 963 switch (bsd_line) { 964 case TTYDISC: 965 linux_line = LINUX_N_TTY; 966 break; 967 case SLIPDISC: 968 linux_line = LINUX_N_SLIP; 969 break; 970 case PPPDISC: 971 linux_line = LINUX_N_PPP; 972 break; 973 default: 974 fdrop(fp, td); 975 return (EINVAL); 976 } 977 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 978 break; 979 } 980 981 /* LINUX_TCSBRKP */ 982 /* LINUX_TIOCTTYGSTRUCT */ 983 984 case LINUX_FIONCLEX: 985 args->cmd = FIONCLEX; 986 error = (sys_ioctl(td, (struct ioctl_args *)args)); 987 break; 988 989 case LINUX_FIOCLEX: 990 args->cmd = FIOCLEX; 991 error = (sys_ioctl(td, (struct ioctl_args *)args)); 992 break; 993 994 case LINUX_FIOASYNC: 995 args->cmd = FIOASYNC; 996 error = (sys_ioctl(td, (struct ioctl_args *)args)); 997 break; 998 999 /* LINUX_TIOCSERCONFIG */ 1000 /* LINUX_TIOCSERGWILD */ 1001 /* LINUX_TIOCSERSWILD */ 1002 /* LINUX_TIOCGLCKTRMIOS */ 1003 /* LINUX_TIOCSLCKTRMIOS */ 1004 1005 case LINUX_TIOCSBRK: 1006 args->cmd = TIOCSBRK; 1007 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1008 break; 1009 1010 case LINUX_TIOCCBRK: 1011 args->cmd = TIOCCBRK; 1012 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1013 break; 1014 case LINUX_TIOCGPTN: { 1015 int nb; 1016 1017 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1018 if (!error) 1019 error = copyout(&nb, (void *)args->arg, 1020 sizeof(int)); 1021 break; 1022 } 1023 case LINUX_TIOCGPTPEER: 1024 linux_msg(td, "unsupported ioctl TIOCGPTPEER"); 1025 error = ENOIOCTL; 1026 break; 1027 case LINUX_TIOCSPTLCK: 1028 /* Our unlockpt() does nothing. */ 1029 error = 0; 1030 break; 1031 default: 1032 error = ENOIOCTL; 1033 break; 1034 } 1035 1036 fdrop(fp, td); 1037 return (error); 1038 } 1039 1040 /* 1041 * CDROM related ioctls 1042 */ 1043 1044 struct linux_cdrom_msf 1045 { 1046 u_char cdmsf_min0; 1047 u_char cdmsf_sec0; 1048 u_char cdmsf_frame0; 1049 u_char cdmsf_min1; 1050 u_char cdmsf_sec1; 1051 u_char cdmsf_frame1; 1052 }; 1053 1054 struct linux_cdrom_tochdr 1055 { 1056 u_char cdth_trk0; 1057 u_char cdth_trk1; 1058 }; 1059 1060 union linux_cdrom_addr 1061 { 1062 struct { 1063 u_char minute; 1064 u_char second; 1065 u_char frame; 1066 } msf; 1067 int lba; 1068 }; 1069 1070 struct linux_cdrom_tocentry 1071 { 1072 u_char cdte_track; 1073 u_char cdte_adr:4; 1074 u_char cdte_ctrl:4; 1075 u_char cdte_format; 1076 union linux_cdrom_addr cdte_addr; 1077 u_char cdte_datamode; 1078 }; 1079 1080 struct linux_cdrom_subchnl 1081 { 1082 u_char cdsc_format; 1083 u_char cdsc_audiostatus; 1084 u_char cdsc_adr:4; 1085 u_char cdsc_ctrl:4; 1086 u_char cdsc_trk; 1087 u_char cdsc_ind; 1088 union linux_cdrom_addr cdsc_absaddr; 1089 union linux_cdrom_addr cdsc_reladdr; 1090 }; 1091 1092 struct l_cdrom_read_audio { 1093 union linux_cdrom_addr addr; 1094 u_char addr_format; 1095 l_int nframes; 1096 u_char *buf; 1097 }; 1098 1099 struct l_dvd_layer { 1100 u_char book_version:4; 1101 u_char book_type:4; 1102 u_char min_rate:4; 1103 u_char disc_size:4; 1104 u_char layer_type:4; 1105 u_char track_path:1; 1106 u_char nlayers:2; 1107 u_char track_density:4; 1108 u_char linear_density:4; 1109 u_char bca:1; 1110 uint32_t start_sector; 1111 uint32_t end_sector; 1112 uint32_t end_sector_l0; 1113 }; 1114 1115 struct l_dvd_physical { 1116 u_char type; 1117 u_char layer_num; 1118 struct l_dvd_layer layer[4]; 1119 }; 1120 1121 struct l_dvd_copyright { 1122 u_char type; 1123 u_char layer_num; 1124 u_char cpst; 1125 u_char rmi; 1126 }; 1127 1128 struct l_dvd_disckey { 1129 u_char type; 1130 l_uint agid:2; 1131 u_char value[2048]; 1132 }; 1133 1134 struct l_dvd_bca { 1135 u_char type; 1136 l_int len; 1137 u_char value[188]; 1138 }; 1139 1140 struct l_dvd_manufact { 1141 u_char type; 1142 u_char layer_num; 1143 l_int len; 1144 u_char value[2048]; 1145 }; 1146 1147 typedef union { 1148 u_char type; 1149 struct l_dvd_physical physical; 1150 struct l_dvd_copyright copyright; 1151 struct l_dvd_disckey disckey; 1152 struct l_dvd_bca bca; 1153 struct l_dvd_manufact manufact; 1154 } l_dvd_struct; 1155 1156 typedef u_char l_dvd_key[5]; 1157 typedef u_char l_dvd_challenge[10]; 1158 1159 struct l_dvd_lu_send_agid { 1160 u_char type; 1161 l_uint agid:2; 1162 }; 1163 1164 struct l_dvd_host_send_challenge { 1165 u_char type; 1166 l_uint agid:2; 1167 l_dvd_challenge chal; 1168 }; 1169 1170 struct l_dvd_send_key { 1171 u_char type; 1172 l_uint agid:2; 1173 l_dvd_key key; 1174 }; 1175 1176 struct l_dvd_lu_send_challenge { 1177 u_char type; 1178 l_uint agid:2; 1179 l_dvd_challenge chal; 1180 }; 1181 1182 struct l_dvd_lu_send_title_key { 1183 u_char type; 1184 l_uint agid:2; 1185 l_dvd_key title_key; 1186 l_int lba; 1187 l_uint cpm:1; 1188 l_uint cp_sec:1; 1189 l_uint cgms:2; 1190 }; 1191 1192 struct l_dvd_lu_send_asf { 1193 u_char type; 1194 l_uint agid:2; 1195 l_uint asf:1; 1196 }; 1197 1198 struct l_dvd_host_send_rpcstate { 1199 u_char type; 1200 u_char pdrc; 1201 }; 1202 1203 struct l_dvd_lu_send_rpcstate { 1204 u_char type:2; 1205 u_char vra:3; 1206 u_char ucca:3; 1207 u_char region_mask; 1208 u_char rpc_scheme; 1209 }; 1210 1211 typedef union { 1212 u_char type; 1213 struct l_dvd_lu_send_agid lsa; 1214 struct l_dvd_host_send_challenge hsc; 1215 struct l_dvd_send_key lsk; 1216 struct l_dvd_lu_send_challenge lsc; 1217 struct l_dvd_send_key hsk; 1218 struct l_dvd_lu_send_title_key lstk; 1219 struct l_dvd_lu_send_asf lsasf; 1220 struct l_dvd_host_send_rpcstate hrpcs; 1221 struct l_dvd_lu_send_rpcstate lrpcs; 1222 } l_dvd_authinfo; 1223 1224 static void 1225 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1226 { 1227 if (af == CD_LBA_FORMAT) 1228 lp->lba = bp->lba; 1229 else { 1230 lp->msf.minute = bp->msf.minute; 1231 lp->msf.second = bp->msf.second; 1232 lp->msf.frame = bp->msf.frame; 1233 } 1234 } 1235 1236 static void 1237 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1238 { 1239 if (format == LINUX_CDROM_MSF) { 1240 addr->msf.frame = lba % 75; 1241 lba /= 75; 1242 lba += 2; 1243 addr->msf.second = lba % 60; 1244 addr->msf.minute = lba / 60; 1245 } else 1246 addr->lba = lba; 1247 } 1248 1249 static int 1250 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1251 { 1252 bp->format = lp->type; 1253 switch (bp->format) { 1254 case DVD_STRUCT_PHYSICAL: 1255 if (bp->layer_num >= 4) 1256 return (EINVAL); 1257 bp->layer_num = lp->physical.layer_num; 1258 break; 1259 case DVD_STRUCT_COPYRIGHT: 1260 bp->layer_num = lp->copyright.layer_num; 1261 break; 1262 case DVD_STRUCT_DISCKEY: 1263 bp->agid = lp->disckey.agid; 1264 break; 1265 case DVD_STRUCT_BCA: 1266 case DVD_STRUCT_MANUFACT: 1267 break; 1268 default: 1269 return (EINVAL); 1270 } 1271 return (0); 1272 } 1273 1274 static int 1275 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1276 { 1277 switch (bp->format) { 1278 case DVD_STRUCT_PHYSICAL: { 1279 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1280 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1281 memset(llp, 0, sizeof(*llp)); 1282 llp->book_version = blp->book_version; 1283 llp->book_type = blp->book_type; 1284 llp->min_rate = blp->max_rate; 1285 llp->disc_size = blp->disc_size; 1286 llp->layer_type = blp->layer_type; 1287 llp->track_path = blp->track_path; 1288 llp->nlayers = blp->nlayers; 1289 llp->track_density = blp->track_density; 1290 llp->linear_density = blp->linear_density; 1291 llp->bca = blp->bca; 1292 llp->start_sector = blp->start_sector; 1293 llp->end_sector = blp->end_sector; 1294 llp->end_sector_l0 = blp->end_sector_l0; 1295 break; 1296 } 1297 case DVD_STRUCT_COPYRIGHT: 1298 lp->copyright.cpst = bp->cpst; 1299 lp->copyright.rmi = bp->rmi; 1300 break; 1301 case DVD_STRUCT_DISCKEY: 1302 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1303 break; 1304 case DVD_STRUCT_BCA: 1305 lp->bca.len = bp->length; 1306 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1307 break; 1308 case DVD_STRUCT_MANUFACT: 1309 lp->manufact.len = bp->length; 1310 memcpy(lp->manufact.value, bp->data, 1311 sizeof(lp->manufact.value)); 1312 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1313 break; 1314 default: 1315 return (EINVAL); 1316 } 1317 return (0); 1318 } 1319 1320 static int 1321 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1322 struct dvd_authinfo *bp) 1323 { 1324 switch (lp->type) { 1325 case LINUX_DVD_LU_SEND_AGID: 1326 *bcode = DVDIOCREPORTKEY; 1327 bp->format = DVD_REPORT_AGID; 1328 bp->agid = lp->lsa.agid; 1329 break; 1330 case LINUX_DVD_HOST_SEND_CHALLENGE: 1331 *bcode = DVDIOCSENDKEY; 1332 bp->format = DVD_SEND_CHALLENGE; 1333 bp->agid = lp->hsc.agid; 1334 memcpy(bp->keychal, lp->hsc.chal, 10); 1335 break; 1336 case LINUX_DVD_LU_SEND_KEY1: 1337 *bcode = DVDIOCREPORTKEY; 1338 bp->format = DVD_REPORT_KEY1; 1339 bp->agid = lp->lsk.agid; 1340 break; 1341 case LINUX_DVD_LU_SEND_CHALLENGE: 1342 *bcode = DVDIOCREPORTKEY; 1343 bp->format = DVD_REPORT_CHALLENGE; 1344 bp->agid = lp->lsc.agid; 1345 break; 1346 case LINUX_DVD_HOST_SEND_KEY2: 1347 *bcode = DVDIOCSENDKEY; 1348 bp->format = DVD_SEND_KEY2; 1349 bp->agid = lp->hsk.agid; 1350 memcpy(bp->keychal, lp->hsk.key, 5); 1351 break; 1352 case LINUX_DVD_LU_SEND_TITLE_KEY: 1353 *bcode = DVDIOCREPORTKEY; 1354 bp->format = DVD_REPORT_TITLE_KEY; 1355 bp->agid = lp->lstk.agid; 1356 bp->lba = lp->lstk.lba; 1357 break; 1358 case LINUX_DVD_LU_SEND_ASF: 1359 *bcode = DVDIOCREPORTKEY; 1360 bp->format = DVD_REPORT_ASF; 1361 bp->agid = lp->lsasf.agid; 1362 break; 1363 case LINUX_DVD_INVALIDATE_AGID: 1364 *bcode = DVDIOCREPORTKEY; 1365 bp->format = DVD_INVALIDATE_AGID; 1366 bp->agid = lp->lsa.agid; 1367 break; 1368 case LINUX_DVD_LU_SEND_RPC_STATE: 1369 *bcode = DVDIOCREPORTKEY; 1370 bp->format = DVD_REPORT_RPC; 1371 break; 1372 case LINUX_DVD_HOST_SEND_RPC_STATE: 1373 *bcode = DVDIOCSENDKEY; 1374 bp->format = DVD_SEND_RPC; 1375 bp->region = lp->hrpcs.pdrc; 1376 break; 1377 default: 1378 return (EINVAL); 1379 } 1380 return (0); 1381 } 1382 1383 static int 1384 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1385 { 1386 switch (lp->type) { 1387 case LINUX_DVD_LU_SEND_AGID: 1388 lp->lsa.agid = bp->agid; 1389 break; 1390 case LINUX_DVD_HOST_SEND_CHALLENGE: 1391 lp->type = LINUX_DVD_LU_SEND_KEY1; 1392 break; 1393 case LINUX_DVD_LU_SEND_KEY1: 1394 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1395 break; 1396 case LINUX_DVD_LU_SEND_CHALLENGE: 1397 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1398 break; 1399 case LINUX_DVD_HOST_SEND_KEY2: 1400 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1401 break; 1402 case LINUX_DVD_LU_SEND_TITLE_KEY: 1403 memcpy(lp->lstk.title_key, bp->keychal, 1404 sizeof(lp->lstk.title_key)); 1405 lp->lstk.cpm = bp->cpm; 1406 lp->lstk.cp_sec = bp->cp_sec; 1407 lp->lstk.cgms = bp->cgms; 1408 break; 1409 case LINUX_DVD_LU_SEND_ASF: 1410 lp->lsasf.asf = bp->asf; 1411 break; 1412 case LINUX_DVD_INVALIDATE_AGID: 1413 break; 1414 case LINUX_DVD_LU_SEND_RPC_STATE: 1415 lp->lrpcs.type = bp->reg_type; 1416 lp->lrpcs.vra = bp->vend_rsts; 1417 lp->lrpcs.ucca = bp->user_rsts; 1418 lp->lrpcs.region_mask = bp->region; 1419 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1420 break; 1421 case LINUX_DVD_HOST_SEND_RPC_STATE: 1422 break; 1423 default: 1424 return (EINVAL); 1425 } 1426 return (0); 1427 } 1428 1429 static int 1430 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1431 { 1432 struct file *fp; 1433 int error; 1434 1435 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1436 if (error != 0) 1437 return (error); 1438 switch (args->cmd & 0xffff) { 1439 case LINUX_CDROMPAUSE: 1440 args->cmd = CDIOCPAUSE; 1441 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1442 break; 1443 1444 case LINUX_CDROMRESUME: 1445 args->cmd = CDIOCRESUME; 1446 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1447 break; 1448 1449 case LINUX_CDROMPLAYMSF: 1450 args->cmd = CDIOCPLAYMSF; 1451 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1452 break; 1453 1454 case LINUX_CDROMPLAYTRKIND: 1455 args->cmd = CDIOCPLAYTRACKS; 1456 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1457 break; 1458 1459 case LINUX_CDROMREADTOCHDR: { 1460 struct ioc_toc_header th; 1461 struct linux_cdrom_tochdr lth; 1462 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1463 td->td_ucred, td); 1464 if (!error) { 1465 lth.cdth_trk0 = th.starting_track; 1466 lth.cdth_trk1 = th.ending_track; 1467 copyout(<h, (void *)args->arg, sizeof(lth)); 1468 } 1469 break; 1470 } 1471 1472 case LINUX_CDROMREADTOCENTRY: { 1473 struct linux_cdrom_tocentry lte; 1474 struct ioc_read_toc_single_entry irtse; 1475 1476 error = copyin((void *)args->arg, <e, sizeof(lte)); 1477 if (error) 1478 break; 1479 irtse.address_format = lte.cdte_format; 1480 irtse.track = lte.cdte_track; 1481 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1482 td->td_ucred, td); 1483 if (!error) { 1484 lte.cdte_ctrl = irtse.entry.control; 1485 lte.cdte_adr = irtse.entry.addr_type; 1486 bsd_to_linux_msf_lba(irtse.address_format, 1487 &irtse.entry.addr, <e.cdte_addr); 1488 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1489 } 1490 break; 1491 } 1492 1493 case LINUX_CDROMSTOP: 1494 args->cmd = CDIOCSTOP; 1495 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1496 break; 1497 1498 case LINUX_CDROMSTART: 1499 args->cmd = CDIOCSTART; 1500 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1501 break; 1502 1503 case LINUX_CDROMEJECT: 1504 args->cmd = CDIOCEJECT; 1505 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1506 break; 1507 1508 /* LINUX_CDROMVOLCTRL */ 1509 1510 case LINUX_CDROMSUBCHNL: { 1511 struct linux_cdrom_subchnl sc; 1512 struct ioc_read_subchannel bsdsc; 1513 struct cd_sub_channel_info bsdinfo; 1514 1515 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1516 if (error) 1517 break; 1518 1519 /* 1520 * Invoke the native ioctl and bounce the returned data through 1521 * the userspace buffer. This works because the Linux structure 1522 * is the same size as our structures for the subchannel header 1523 * and position data. 1524 */ 1525 bsdsc.address_format = CD_LBA_FORMAT; 1526 bsdsc.data_format = CD_CURRENT_POSITION; 1527 bsdsc.track = 0; 1528 bsdsc.data_len = sizeof(sc); 1529 bsdsc.data = (void *)args->arg; 1530 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1531 td->td_ucred, td); 1532 if (error) 1533 break; 1534 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1535 if (error) 1536 break; 1537 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1538 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1539 sc.cdsc_ctrl = bsdinfo.what.position.control; 1540 sc.cdsc_trk = bsdinfo.what.position.track_number; 1541 sc.cdsc_ind = bsdinfo.what.position.index_number; 1542 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1543 bsdinfo.what.position.absaddr.lba); 1544 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1545 bsdinfo.what.position.reladdr.lba); 1546 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1547 break; 1548 } 1549 1550 /* LINUX_CDROMREADMODE2 */ 1551 /* LINUX_CDROMREADMODE1 */ 1552 /* LINUX_CDROMREADAUDIO */ 1553 /* LINUX_CDROMEJECT_SW */ 1554 /* LINUX_CDROMMULTISESSION */ 1555 /* LINUX_CDROM_GET_UPC */ 1556 1557 case LINUX_CDROMRESET: 1558 args->cmd = CDIOCRESET; 1559 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1560 break; 1561 1562 /* LINUX_CDROMVOLREAD */ 1563 /* LINUX_CDROMREADRAW */ 1564 /* LINUX_CDROMREADCOOKED */ 1565 /* LINUX_CDROMSEEK */ 1566 /* LINUX_CDROMPLAYBLK */ 1567 /* LINUX_CDROMREADALL */ 1568 /* LINUX_CDROMCLOSETRAY */ 1569 /* LINUX_CDROMLOADFROMSLOT */ 1570 /* LINUX_CDROMGETSPINDOWN */ 1571 /* LINUX_CDROMSETSPINDOWN */ 1572 /* LINUX_CDROM_SET_OPTIONS */ 1573 /* LINUX_CDROM_CLEAR_OPTIONS */ 1574 /* LINUX_CDROM_SELECT_SPEED */ 1575 /* LINUX_CDROM_SELECT_DISC */ 1576 /* LINUX_CDROM_MEDIA_CHANGED */ 1577 /* LINUX_CDROM_DRIVE_STATUS */ 1578 /* LINUX_CDROM_DISC_STATUS */ 1579 /* LINUX_CDROM_CHANGER_NSLOTS */ 1580 /* LINUX_CDROM_LOCKDOOR */ 1581 /* LINUX_CDROM_DEBUG */ 1582 /* LINUX_CDROM_GET_CAPABILITY */ 1583 /* LINUX_CDROMAUDIOBUFSIZ */ 1584 1585 case LINUX_DVD_READ_STRUCT: { 1586 l_dvd_struct *lds; 1587 struct dvd_struct *bds; 1588 1589 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1590 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1591 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1592 if (error) 1593 goto out; 1594 error = linux_to_bsd_dvd_struct(lds, bds); 1595 if (error) 1596 goto out; 1597 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1598 td->td_ucred, td); 1599 if (error) 1600 goto out; 1601 error = bsd_to_linux_dvd_struct(bds, lds); 1602 if (error) 1603 goto out; 1604 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1605 out: 1606 free(bds, M_LINUX); 1607 free(lds, M_LINUX); 1608 break; 1609 } 1610 1611 /* LINUX_DVD_WRITE_STRUCT */ 1612 1613 case LINUX_DVD_AUTH: { 1614 l_dvd_authinfo lda; 1615 struct dvd_authinfo bda; 1616 int bcode; 1617 1618 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1619 if (error) 1620 break; 1621 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1622 if (error) 1623 break; 1624 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1625 td); 1626 if (error) { 1627 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1628 lda.type = LINUX_DVD_AUTH_FAILURE; 1629 copyout(&lda, (void *)args->arg, sizeof(lda)); 1630 } 1631 break; 1632 } 1633 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1634 if (error) 1635 break; 1636 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1637 break; 1638 } 1639 1640 case LINUX_SCSI_GET_BUS_NUMBER: 1641 { 1642 struct sg_scsi_id id; 1643 1644 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1645 td->td_ucred, td); 1646 if (error) 1647 break; 1648 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1649 break; 1650 } 1651 1652 case LINUX_SCSI_GET_IDLUN: 1653 { 1654 struct sg_scsi_id id; 1655 struct scsi_idlun idl; 1656 1657 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1658 td->td_ucred, td); 1659 if (error) 1660 break; 1661 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1662 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1663 idl.host_unique_id = id.host_no; 1664 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1665 break; 1666 } 1667 1668 /* LINUX_CDROM_SEND_PACKET */ 1669 /* LINUX_CDROM_NEXT_WRITABLE */ 1670 /* LINUX_CDROM_LAST_WRITTEN */ 1671 1672 default: 1673 error = ENOIOCTL; 1674 break; 1675 } 1676 1677 fdrop(fp, td); 1678 return (error); 1679 } 1680 1681 static int 1682 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1683 { 1684 1685 return (ENOTTY); 1686 } 1687 1688 /* 1689 * Sound related ioctls 1690 */ 1691 1692 struct linux_old_mixer_info { 1693 char id[16]; 1694 char name[32]; 1695 }; 1696 1697 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1698 1699 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1700 1701 static int 1702 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1703 { 1704 1705 switch (args->cmd & 0xffff) { 1706 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1708 return (sys_ioctl(td, (struct ioctl_args *)args)); 1709 1710 case LINUX_SOUND_MIXER_WRITE_BASS: 1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1712 return (sys_ioctl(td, (struct ioctl_args *)args)); 1713 1714 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1716 return (sys_ioctl(td, (struct ioctl_args *)args)); 1717 1718 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1720 return (sys_ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_PCM: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1724 return (sys_ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1728 return (sys_ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_WRITE_LINE: 1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1732 return (sys_ioctl(td, (struct ioctl_args *)args)); 1733 1734 case LINUX_SOUND_MIXER_WRITE_MIC: 1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1736 return (sys_ioctl(td, (struct ioctl_args *)args)); 1737 1738 case LINUX_SOUND_MIXER_WRITE_CD: 1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1740 return (sys_ioctl(td, (struct ioctl_args *)args)); 1741 1742 case LINUX_SOUND_MIXER_WRITE_IMIX: 1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1744 return (sys_ioctl(td, (struct ioctl_args *)args)); 1745 1746 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1748 return (sys_ioctl(td, (struct ioctl_args *)args)); 1749 1750 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1752 return (sys_ioctl(td, (struct ioctl_args *)args)); 1753 1754 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1756 return (sys_ioctl(td, (struct ioctl_args *)args)); 1757 1758 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1760 return (sys_ioctl(td, (struct ioctl_args *)args)); 1761 1762 case LINUX_SOUND_MIXER_WRITE_LINE1: 1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1764 return (sys_ioctl(td, (struct ioctl_args *)args)); 1765 1766 case LINUX_SOUND_MIXER_WRITE_LINE2: 1767 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1768 return (sys_ioctl(td, (struct ioctl_args *)args)); 1769 1770 case LINUX_SOUND_MIXER_WRITE_LINE3: 1771 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1772 return (sys_ioctl(td, (struct ioctl_args *)args)); 1773 1774 case LINUX_SOUND_MIXER_WRITE_MONITOR: 1775 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR); 1776 return (sys_ioctl(td, (struct ioctl_args *)args)); 1777 1778 case LINUX_SOUND_MIXER_INFO: { 1779 /* Key on encoded length */ 1780 switch ((args->cmd >> 16) & 0x1fff) { 1781 case 0x005c: { /* SOUND_MIXER_INFO */ 1782 args->cmd = SOUND_MIXER_INFO; 1783 return (sys_ioctl(td, (struct ioctl_args *)args)); 1784 } 1785 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1786 struct linux_old_mixer_info info; 1787 bzero(&info, sizeof(info)); 1788 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1789 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1790 copyout(&info, (void *)args->arg, sizeof(info)); 1791 return (0); 1792 } 1793 default: 1794 return (ENOIOCTL); 1795 } 1796 break; 1797 } 1798 1799 case LINUX_OSS_GETVERSION: { 1800 int version = linux_get_oss_version(td); 1801 return (copyout(&version, (void *)args->arg, sizeof(int))); 1802 } 1803 1804 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1805 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1806 return (sys_ioctl(td, (struct ioctl_args *)args)); 1807 1808 case LINUX_SOUND_MIXER_READ_CAPS: 1809 args->cmd = SOUND_MIXER_READ_CAPS; 1810 return (sys_ioctl(td, (struct ioctl_args *)args)); 1811 1812 case LINUX_SOUND_MIXER_READ_RECMASK: 1813 args->cmd = SOUND_MIXER_READ_RECMASK; 1814 return (sys_ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SOUND_MIXER_READ_DEVMASK: 1817 args->cmd = SOUND_MIXER_READ_DEVMASK; 1818 return (sys_ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1821 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1822 return (sys_ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SNDCTL_DSP_RESET: 1825 args->cmd = SNDCTL_DSP_RESET; 1826 return (sys_ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SNDCTL_DSP_SYNC: 1829 args->cmd = SNDCTL_DSP_SYNC; 1830 return (sys_ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SNDCTL_DSP_SPEED: 1833 args->cmd = SNDCTL_DSP_SPEED; 1834 return (sys_ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SNDCTL_DSP_STEREO: 1837 args->cmd = SNDCTL_DSP_STEREO; 1838 return (sys_ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1841 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1842 return (sys_ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SNDCTL_DSP_SETFMT: 1845 args->cmd = SNDCTL_DSP_SETFMT; 1846 return (sys_ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1849 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1850 return (sys_ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SOUND_PCM_WRITE_FILTER: 1853 args->cmd = SOUND_PCM_WRITE_FILTER; 1854 return (sys_ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SNDCTL_DSP_POST: 1857 args->cmd = SNDCTL_DSP_POST; 1858 return (sys_ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1861 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1862 return (sys_ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1865 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1866 return (sys_ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_DSP_GETFMTS: 1869 args->cmd = SNDCTL_DSP_GETFMTS; 1870 return (sys_ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_DSP_GETOSPACE: 1873 args->cmd = SNDCTL_DSP_GETOSPACE; 1874 return (sys_ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_DSP_GETISPACE: 1877 args->cmd = SNDCTL_DSP_GETISPACE; 1878 return (sys_ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_DSP_NONBLOCK: 1881 args->cmd = SNDCTL_DSP_NONBLOCK; 1882 return (sys_ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_DSP_GETCAPS: 1885 args->cmd = SNDCTL_DSP_GETCAPS; 1886 return (sys_ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1889 args->cmd = SNDCTL_DSP_SETTRIGGER; 1890 return (sys_ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_DSP_GETIPTR: 1893 args->cmd = SNDCTL_DSP_GETIPTR; 1894 return (sys_ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_DSP_GETOPTR: 1897 args->cmd = SNDCTL_DSP_GETOPTR; 1898 return (sys_ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_DSP_SETDUPLEX: 1901 args->cmd = SNDCTL_DSP_SETDUPLEX; 1902 return (sys_ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_DSP_GETODELAY: 1905 args->cmd = SNDCTL_DSP_GETODELAY; 1906 return (sys_ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_SEQ_RESET: 1909 args->cmd = SNDCTL_SEQ_RESET; 1910 return (sys_ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_SEQ_SYNC: 1913 args->cmd = SNDCTL_SEQ_SYNC; 1914 return (sys_ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SYNTH_INFO: 1917 args->cmd = SNDCTL_SYNTH_INFO; 1918 return (sys_ioctl(td, (struct ioctl_args *)args)); 1919 1920 case LINUX_SNDCTL_SEQ_CTRLRATE: 1921 args->cmd = SNDCTL_SEQ_CTRLRATE; 1922 return (sys_ioctl(td, (struct ioctl_args *)args)); 1923 1924 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1925 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1926 return (sys_ioctl(td, (struct ioctl_args *)args)); 1927 1928 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1929 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1930 return (sys_ioctl(td, (struct ioctl_args *)args)); 1931 1932 case LINUX_SNDCTL_SEQ_PERCMODE: 1933 args->cmd = SNDCTL_SEQ_PERCMODE; 1934 return (sys_ioctl(td, (struct ioctl_args *)args)); 1935 1936 case LINUX_SNDCTL_FM_LOAD_INSTR: 1937 args->cmd = SNDCTL_FM_LOAD_INSTR; 1938 return (sys_ioctl(td, (struct ioctl_args *)args)); 1939 1940 case LINUX_SNDCTL_SEQ_TESTMIDI: 1941 args->cmd = SNDCTL_SEQ_TESTMIDI; 1942 return (sys_ioctl(td, (struct ioctl_args *)args)); 1943 1944 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1945 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1946 return (sys_ioctl(td, (struct ioctl_args *)args)); 1947 1948 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1949 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1950 return (sys_ioctl(td, (struct ioctl_args *)args)); 1951 1952 case LINUX_SNDCTL_SEQ_NRMIDIS: 1953 args->cmd = SNDCTL_SEQ_NRMIDIS; 1954 return (sys_ioctl(td, (struct ioctl_args *)args)); 1955 1956 case LINUX_SNDCTL_MIDI_INFO: 1957 args->cmd = SNDCTL_MIDI_INFO; 1958 return (sys_ioctl(td, (struct ioctl_args *)args)); 1959 1960 case LINUX_SNDCTL_SEQ_TRESHOLD: 1961 args->cmd = SNDCTL_SEQ_TRESHOLD; 1962 return (sys_ioctl(td, (struct ioctl_args *)args)); 1963 1964 case LINUX_SNDCTL_SYNTH_MEMAVL: 1965 args->cmd = SNDCTL_SYNTH_MEMAVL; 1966 return (sys_ioctl(td, (struct ioctl_args *)args)); 1967 } 1968 1969 return (ENOIOCTL); 1970 } 1971 1972 /* 1973 * Console related ioctls 1974 */ 1975 1976 static int 1977 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1978 { 1979 struct file *fp; 1980 int error; 1981 1982 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1983 if (error != 0) 1984 return (error); 1985 switch (args->cmd & 0xffff) { 1986 case LINUX_KIOCSOUND: 1987 args->cmd = KIOCSOUND; 1988 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1989 break; 1990 1991 case LINUX_KDMKTONE: 1992 args->cmd = KDMKTONE; 1993 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1994 break; 1995 1996 case LINUX_KDGETLED: 1997 args->cmd = KDGETLED; 1998 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1999 break; 2000 2001 case LINUX_KDSETLED: 2002 args->cmd = KDSETLED; 2003 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2004 break; 2005 2006 case LINUX_KDSETMODE: 2007 args->cmd = KDSETMODE; 2008 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2009 break; 2010 2011 case LINUX_KDGETMODE: 2012 args->cmd = KDGETMODE; 2013 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2014 break; 2015 2016 case LINUX_KDGKBMODE: 2017 args->cmd = KDGKBMODE; 2018 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2019 break; 2020 2021 case LINUX_KDSKBMODE: { 2022 int kbdmode; 2023 switch (args->arg) { 2024 case LINUX_KBD_RAW: 2025 kbdmode = K_RAW; 2026 break; 2027 case LINUX_KBD_XLATE: 2028 kbdmode = K_XLATE; 2029 break; 2030 case LINUX_KBD_MEDIUMRAW: 2031 kbdmode = K_RAW; 2032 break; 2033 default: 2034 fdrop(fp, td); 2035 return (EINVAL); 2036 } 2037 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2038 td->td_ucred, td)); 2039 break; 2040 } 2041 2042 case LINUX_VT_OPENQRY: 2043 args->cmd = VT_OPENQRY; 2044 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2045 break; 2046 2047 case LINUX_VT_GETMODE: 2048 args->cmd = VT_GETMODE; 2049 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2050 break; 2051 2052 case LINUX_VT_SETMODE: { 2053 struct vt_mode mode; 2054 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2055 break; 2056 if (LINUX_SIG_VALID(mode.relsig)) 2057 mode.relsig = linux_to_bsd_signal(mode.relsig); 2058 else 2059 mode.relsig = 0; 2060 if (LINUX_SIG_VALID(mode.acqsig)) 2061 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2062 else 2063 mode.acqsig = 0; 2064 /* XXX. Linux ignores frsig and set it to 0. */ 2065 mode.frsig = 0; 2066 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2067 break; 2068 args->cmd = VT_SETMODE; 2069 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2070 break; 2071 } 2072 2073 case LINUX_VT_GETSTATE: 2074 args->cmd = VT_GETACTIVE; 2075 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2076 break; 2077 2078 case LINUX_VT_RELDISP: 2079 args->cmd = VT_RELDISP; 2080 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2081 break; 2082 2083 case LINUX_VT_ACTIVATE: 2084 args->cmd = VT_ACTIVATE; 2085 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2086 break; 2087 2088 case LINUX_VT_WAITACTIVE: 2089 args->cmd = VT_WAITACTIVE; 2090 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2091 break; 2092 2093 default: 2094 error = ENOIOCTL; 2095 break; 2096 } 2097 2098 fdrop(fp, td); 2099 return (error); 2100 } 2101 2102 /* 2103 * Implement the SIOCGIFNAME ioctl 2104 */ 2105 2106 static int 2107 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2108 { 2109 struct l_ifreq ifr; 2110 struct ifnet *ifp; 2111 int error, ethno, index; 2112 2113 error = copyin(uifr, &ifr, sizeof(ifr)); 2114 if (error != 0) 2115 return (error); 2116 2117 CURVNET_SET(TD_TO_VNET(curthread)); 2118 IFNET_RLOCK(); 2119 index = 1; /* ifr.ifr_ifindex starts from 1 */ 2120 ethno = 0; 2121 error = ENODEV; 2122 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2123 if (ifr.ifr_ifindex == index) { 2124 if (!linux_use_real_ifname(ifp)) 2125 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, 2126 "eth%d", ethno); 2127 else 2128 strlcpy(ifr.ifr_name, ifp->if_xname, 2129 LINUX_IFNAMSIZ); 2130 error = 0; 2131 break; 2132 } 2133 if (!linux_use_real_ifname(ifp)) 2134 ethno++; 2135 index++; 2136 } 2137 IFNET_RUNLOCK(); 2138 if (error == 0) 2139 error = copyout(&ifr, uifr, sizeof(ifr)); 2140 CURVNET_RESTORE(); 2141 2142 return (error); 2143 } 2144 2145 /* 2146 * Implement the SIOCGIFCONF ioctl 2147 */ 2148 2149 static int 2150 linux_ifconf(struct thread *td, struct ifconf *uifc) 2151 { 2152 #ifdef COMPAT_LINUX32 2153 struct l_ifconf ifc; 2154 #else 2155 struct ifconf ifc; 2156 #endif 2157 struct l_ifreq ifr; 2158 struct ifnet *ifp; 2159 struct ifaddr *ifa; 2160 struct sbuf *sb; 2161 int error, ethno, full = 0, valid_len, max_len; 2162 2163 error = copyin(uifc, &ifc, sizeof(ifc)); 2164 if (error != 0) 2165 return (error); 2166 2167 max_len = maxphys - 1; 2168 2169 CURVNET_SET(TD_TO_VNET(td)); 2170 /* handle the 'request buffer size' case */ 2171 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2172 ifc.ifc_len = 0; 2173 IFNET_RLOCK(); 2174 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2175 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2176 struct sockaddr *sa = ifa->ifa_addr; 2177 if (sa->sa_family == AF_INET) 2178 ifc.ifc_len += sizeof(ifr); 2179 } 2180 } 2181 IFNET_RUNLOCK(); 2182 error = copyout(&ifc, uifc, sizeof(ifc)); 2183 CURVNET_RESTORE(); 2184 return (error); 2185 } 2186 2187 if (ifc.ifc_len <= 0) { 2188 CURVNET_RESTORE(); 2189 return (EINVAL); 2190 } 2191 2192 again: 2193 /* Keep track of eth interfaces */ 2194 ethno = 0; 2195 if (ifc.ifc_len <= max_len) { 2196 max_len = ifc.ifc_len; 2197 full = 1; 2198 } 2199 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2200 max_len = 0; 2201 valid_len = 0; 2202 2203 /* Return all AF_INET addresses of all interfaces */ 2204 IFNET_RLOCK(); 2205 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2206 int addrs = 0; 2207 2208 bzero(&ifr, sizeof(ifr)); 2209 if (IFP_IS_ETH(ifp)) 2210 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2211 ethno++); 2212 else 2213 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2214 2215 /* Walk the address list */ 2216 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2217 struct sockaddr *sa = ifa->ifa_addr; 2218 2219 if (sa->sa_family == AF_INET) { 2220 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2221 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2222 sizeof(ifr.ifr_addr.sa_data)); 2223 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2224 max_len += sizeof(ifr); 2225 addrs++; 2226 } 2227 2228 if (sbuf_error(sb) == 0) 2229 valid_len = sbuf_len(sb); 2230 } 2231 if (addrs == 0) { 2232 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2233 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2234 max_len += sizeof(ifr); 2235 2236 if (sbuf_error(sb) == 0) 2237 valid_len = sbuf_len(sb); 2238 } 2239 } 2240 IFNET_RUNLOCK(); 2241 2242 if (valid_len != max_len && !full) { 2243 sbuf_delete(sb); 2244 goto again; 2245 } 2246 2247 ifc.ifc_len = valid_len; 2248 sbuf_finish(sb); 2249 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2250 if (error == 0) 2251 error = copyout(&ifc, uifc, sizeof(ifc)); 2252 sbuf_delete(sb); 2253 CURVNET_RESTORE(); 2254 2255 return (error); 2256 } 2257 2258 static int 2259 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2260 { 2261 l_short flags; 2262 2263 linux_ifflags(ifp, &flags); 2264 2265 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2266 } 2267 2268 static int 2269 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2270 { 2271 struct l_sockaddr lsa; 2272 2273 if (linux_ifhwaddr(ifp, &lsa) != 0) 2274 return (ENOENT); 2275 2276 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2277 } 2278 2279 /* 2280 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2281 * the native ioctl(). Thus, we don't really need to check the return 2282 * value of this function. 2283 */ 2284 static int 2285 bsd_to_linux_ifreq(struct ifreq *arg) 2286 { 2287 struct ifreq ifr; 2288 size_t ifr_len = sizeof(struct ifreq); 2289 int error; 2290 2291 if ((error = copyin(arg, &ifr, ifr_len))) 2292 return (error); 2293 2294 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2295 2296 error = copyout(&ifr, arg, ifr_len); 2297 2298 return (error); 2299 } 2300 2301 /* 2302 * Socket related ioctls 2303 */ 2304 2305 static int 2306 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2307 { 2308 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2309 struct ifnet *ifp; 2310 struct file *fp; 2311 int error, type; 2312 2313 ifp = NULL; 2314 error = 0; 2315 2316 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2317 if (error != 0) 2318 return (error); 2319 type = fp->f_type; 2320 fdrop(fp, td); 2321 if (type != DTYPE_SOCKET) { 2322 /* not a socket - probably a tap / vmnet device */ 2323 switch (args->cmd) { 2324 case LINUX_SIOCGIFADDR: 2325 case LINUX_SIOCSIFADDR: 2326 case LINUX_SIOCGIFFLAGS: 2327 return (linux_ioctl_special(td, args)); 2328 default: 2329 return (ENOIOCTL); 2330 } 2331 } 2332 2333 switch (args->cmd & 0xffff) { 2334 case LINUX_FIOGETOWN: 2335 case LINUX_FIOSETOWN: 2336 case LINUX_SIOCADDMULTI: 2337 case LINUX_SIOCATMARK: 2338 case LINUX_SIOCDELMULTI: 2339 case LINUX_SIOCGIFNAME: 2340 case LINUX_SIOCGIFCONF: 2341 case LINUX_SIOCGPGRP: 2342 case LINUX_SIOCSPGRP: 2343 case LINUX_SIOCGIFCOUNT: 2344 /* these ioctls don't take an interface name */ 2345 break; 2346 2347 case LINUX_SIOCGIFFLAGS: 2348 case LINUX_SIOCGIFADDR: 2349 case LINUX_SIOCSIFADDR: 2350 case LINUX_SIOCGIFDSTADDR: 2351 case LINUX_SIOCGIFBRDADDR: 2352 case LINUX_SIOCGIFNETMASK: 2353 case LINUX_SIOCSIFNETMASK: 2354 case LINUX_SIOCGIFMTU: 2355 case LINUX_SIOCSIFMTU: 2356 case LINUX_SIOCSIFNAME: 2357 case LINUX_SIOCGIFHWADDR: 2358 case LINUX_SIOCSIFHWADDR: 2359 case LINUX_SIOCDEVPRIVATE: 2360 case LINUX_SIOCDEVPRIVATE+1: 2361 case LINUX_SIOCGIFINDEX: 2362 /* copy in the interface name and translate it. */ 2363 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2364 if (error != 0) 2365 return (error); 2366 memset(ifname, 0, sizeof(ifname)); 2367 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2368 if (ifp == NULL) 2369 return (EINVAL); 2370 /* 2371 * We need to copy it back out in case we pass the 2372 * request on to our native ioctl(), which will expect 2373 * the ifreq to be in user space and have the correct 2374 * interface name. 2375 */ 2376 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2377 if (error != 0) 2378 return (error); 2379 break; 2380 2381 default: 2382 return (ENOIOCTL); 2383 } 2384 2385 switch (args->cmd & 0xffff) { 2386 case LINUX_FIOSETOWN: 2387 args->cmd = FIOSETOWN; 2388 error = sys_ioctl(td, (struct ioctl_args *)args); 2389 break; 2390 2391 case LINUX_SIOCSPGRP: 2392 args->cmd = SIOCSPGRP; 2393 error = sys_ioctl(td, (struct ioctl_args *)args); 2394 break; 2395 2396 case LINUX_FIOGETOWN: 2397 args->cmd = FIOGETOWN; 2398 error = sys_ioctl(td, (struct ioctl_args *)args); 2399 break; 2400 2401 case LINUX_SIOCGPGRP: 2402 args->cmd = SIOCGPGRP; 2403 error = sys_ioctl(td, (struct ioctl_args *)args); 2404 break; 2405 2406 case LINUX_SIOCATMARK: 2407 args->cmd = SIOCATMARK; 2408 error = sys_ioctl(td, (struct ioctl_args *)args); 2409 break; 2410 2411 /* LINUX_SIOCGSTAMP */ 2412 2413 case LINUX_SIOCGIFNAME: 2414 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2415 break; 2416 2417 case LINUX_SIOCGIFCONF: 2418 error = linux_ifconf(td, (struct ifconf *)args->arg); 2419 break; 2420 2421 case LINUX_SIOCGIFFLAGS: 2422 args->cmd = SIOCGIFFLAGS; 2423 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2424 break; 2425 2426 case LINUX_SIOCGIFADDR: 2427 args->cmd = SIOCGIFADDR; 2428 error = sys_ioctl(td, (struct ioctl_args *)args); 2429 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2430 break; 2431 2432 case LINUX_SIOCSIFADDR: 2433 /* XXX probably doesn't work, included for completeness */ 2434 args->cmd = SIOCSIFADDR; 2435 error = sys_ioctl(td, (struct ioctl_args *)args); 2436 break; 2437 2438 case LINUX_SIOCGIFDSTADDR: 2439 args->cmd = SIOCGIFDSTADDR; 2440 error = sys_ioctl(td, (struct ioctl_args *)args); 2441 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2442 break; 2443 2444 case LINUX_SIOCGIFBRDADDR: 2445 args->cmd = SIOCGIFBRDADDR; 2446 error = sys_ioctl(td, (struct ioctl_args *)args); 2447 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2448 break; 2449 2450 case LINUX_SIOCGIFNETMASK: 2451 args->cmd = SIOCGIFNETMASK; 2452 error = sys_ioctl(td, (struct ioctl_args *)args); 2453 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2454 break; 2455 2456 case LINUX_SIOCSIFNETMASK: 2457 error = ENOIOCTL; 2458 break; 2459 2460 case LINUX_SIOCGIFMTU: 2461 args->cmd = SIOCGIFMTU; 2462 error = sys_ioctl(td, (struct ioctl_args *)args); 2463 break; 2464 2465 case LINUX_SIOCSIFMTU: 2466 args->cmd = SIOCSIFMTU; 2467 error = sys_ioctl(td, (struct ioctl_args *)args); 2468 break; 2469 2470 case LINUX_SIOCSIFNAME: 2471 error = ENOIOCTL; 2472 break; 2473 2474 case LINUX_SIOCGIFHWADDR: 2475 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2476 break; 2477 2478 case LINUX_SIOCSIFHWADDR: 2479 error = ENOIOCTL; 2480 break; 2481 2482 case LINUX_SIOCADDMULTI: 2483 args->cmd = SIOCADDMULTI; 2484 error = sys_ioctl(td, (struct ioctl_args *)args); 2485 break; 2486 2487 case LINUX_SIOCDELMULTI: 2488 args->cmd = SIOCDELMULTI; 2489 error = sys_ioctl(td, (struct ioctl_args *)args); 2490 break; 2491 2492 case LINUX_SIOCGIFINDEX: 2493 args->cmd = SIOCGIFINDEX; 2494 error = sys_ioctl(td, (struct ioctl_args *)args); 2495 break; 2496 2497 case LINUX_SIOCGIFCOUNT: 2498 error = 0; 2499 break; 2500 2501 /* 2502 * XXX This is slightly bogus, but these ioctls are currently 2503 * XXX only used by the aironet (if_an) network driver. 2504 */ 2505 case LINUX_SIOCDEVPRIVATE: 2506 args->cmd = SIOCGPRIVATE_0; 2507 error = sys_ioctl(td, (struct ioctl_args *)args); 2508 break; 2509 2510 case LINUX_SIOCDEVPRIVATE+1: 2511 args->cmd = SIOCGPRIVATE_1; 2512 error = sys_ioctl(td, (struct ioctl_args *)args); 2513 break; 2514 } 2515 2516 if (ifp != NULL) 2517 /* restore the original interface name */ 2518 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2519 2520 return (error); 2521 } 2522 2523 /* 2524 * Device private ioctl handler 2525 */ 2526 static int 2527 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2528 { 2529 struct file *fp; 2530 int error, type; 2531 2532 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2533 if (error != 0) 2534 return (error); 2535 type = fp->f_type; 2536 fdrop(fp, td); 2537 if (type == DTYPE_SOCKET) 2538 return (linux_ioctl_socket(td, args)); 2539 return (ENOIOCTL); 2540 } 2541 2542 /* 2543 * DRM ioctl handler (sys/dev/drm) 2544 */ 2545 static int 2546 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2547 { 2548 args->cmd = SETDIR(args->cmd); 2549 return (sys_ioctl(td, (struct ioctl_args *)args)); 2550 } 2551 2552 #ifdef COMPAT_LINUX32 2553 static int 2554 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2555 { 2556 struct sg_io_hdr io; 2557 struct sg_io_hdr32 io32; 2558 struct file *fp; 2559 int error; 2560 2561 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2562 if (error != 0) { 2563 printf("sg_linux_ioctl: fget returned %d\n", error); 2564 return (error); 2565 } 2566 2567 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2568 goto out; 2569 2570 CP(io32, io, interface_id); 2571 CP(io32, io, dxfer_direction); 2572 CP(io32, io, cmd_len); 2573 CP(io32, io, mx_sb_len); 2574 CP(io32, io, iovec_count); 2575 CP(io32, io, dxfer_len); 2576 PTRIN_CP(io32, io, dxferp); 2577 PTRIN_CP(io32, io, cmdp); 2578 PTRIN_CP(io32, io, sbp); 2579 CP(io32, io, timeout); 2580 CP(io32, io, flags); 2581 CP(io32, io, pack_id); 2582 PTRIN_CP(io32, io, usr_ptr); 2583 CP(io32, io, status); 2584 CP(io32, io, masked_status); 2585 CP(io32, io, msg_status); 2586 CP(io32, io, sb_len_wr); 2587 CP(io32, io, host_status); 2588 CP(io32, io, driver_status); 2589 CP(io32, io, resid); 2590 CP(io32, io, duration); 2591 CP(io32, io, info); 2592 2593 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2594 goto out; 2595 2596 CP(io, io32, interface_id); 2597 CP(io, io32, dxfer_direction); 2598 CP(io, io32, cmd_len); 2599 CP(io, io32, mx_sb_len); 2600 CP(io, io32, iovec_count); 2601 CP(io, io32, dxfer_len); 2602 PTROUT_CP(io, io32, dxferp); 2603 PTROUT_CP(io, io32, cmdp); 2604 PTROUT_CP(io, io32, sbp); 2605 CP(io, io32, timeout); 2606 CP(io, io32, flags); 2607 CP(io, io32, pack_id); 2608 PTROUT_CP(io, io32, usr_ptr); 2609 CP(io, io32, status); 2610 CP(io, io32, masked_status); 2611 CP(io, io32, msg_status); 2612 CP(io, io32, sb_len_wr); 2613 CP(io, io32, host_status); 2614 CP(io, io32, driver_status); 2615 CP(io, io32, resid); 2616 CP(io, io32, duration); 2617 CP(io, io32, info); 2618 2619 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2620 2621 out: 2622 fdrop(fp, td); 2623 return (error); 2624 } 2625 #endif 2626 2627 static int 2628 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2629 { 2630 2631 switch (args->cmd) { 2632 case LINUX_SG_GET_VERSION_NUM: 2633 args->cmd = SG_GET_VERSION_NUM; 2634 break; 2635 case LINUX_SG_SET_TIMEOUT: 2636 args->cmd = SG_SET_TIMEOUT; 2637 break; 2638 case LINUX_SG_GET_TIMEOUT: 2639 args->cmd = SG_GET_TIMEOUT; 2640 break; 2641 case LINUX_SG_IO: 2642 args->cmd = SG_IO; 2643 #ifdef COMPAT_LINUX32 2644 return (linux_ioctl_sg_io(td, args)); 2645 #endif 2646 break; 2647 case LINUX_SG_GET_RESERVED_SIZE: 2648 args->cmd = SG_GET_RESERVED_SIZE; 2649 break; 2650 case LINUX_SG_GET_SCSI_ID: 2651 args->cmd = SG_GET_SCSI_ID; 2652 break; 2653 case LINUX_SG_GET_SG_TABLESIZE: 2654 args->cmd = SG_GET_SG_TABLESIZE; 2655 break; 2656 default: 2657 return (ENODEV); 2658 } 2659 return (sys_ioctl(td, (struct ioctl_args *)args)); 2660 } 2661 2662 /* 2663 * Video4Linux (V4L) ioctl handler 2664 */ 2665 static int 2666 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2667 { 2668 vt->tuner = lvt->tuner; 2669 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2670 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2671 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2672 vt->flags = lvt->flags; 2673 vt->mode = lvt->mode; 2674 vt->signal = lvt->signal; 2675 return (0); 2676 } 2677 2678 static int 2679 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2680 { 2681 lvt->tuner = vt->tuner; 2682 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2683 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2684 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2685 lvt->flags = vt->flags; 2686 lvt->mode = vt->mode; 2687 lvt->signal = vt->signal; 2688 return (0); 2689 } 2690 2691 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2692 static int 2693 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2694 { 2695 vc->x = lvc->x; 2696 vc->y = lvc->y; 2697 vc->width = lvc->width; 2698 vc->height = lvc->height; 2699 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2700 return (0); 2701 } 2702 #endif 2703 2704 static int 2705 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2706 { 2707 vw->x = lvw->x; 2708 vw->y = lvw->y; 2709 vw->width = lvw->width; 2710 vw->height = lvw->height; 2711 vw->chromakey = lvw->chromakey; 2712 vw->flags = lvw->flags; 2713 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2714 vw->clipcount = lvw->clipcount; 2715 return (0); 2716 } 2717 2718 static int 2719 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2720 { 2721 memset(lvw, 0, sizeof(*lvw)); 2722 2723 lvw->x = vw->x; 2724 lvw->y = vw->y; 2725 lvw->width = vw->width; 2726 lvw->height = vw->height; 2727 lvw->chromakey = vw->chromakey; 2728 lvw->flags = vw->flags; 2729 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2730 lvw->clipcount = vw->clipcount; 2731 return (0); 2732 } 2733 2734 static int 2735 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2736 { 2737 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2738 vb->height = lvb->height; 2739 vb->width = lvb->width; 2740 vb->depth = lvb->depth; 2741 vb->bytesperline = lvb->bytesperline; 2742 return (0); 2743 } 2744 2745 static int 2746 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2747 { 2748 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2749 lvb->height = vb->height; 2750 lvb->width = vb->width; 2751 lvb->depth = vb->depth; 2752 lvb->bytesperline = vb->bytesperline; 2753 return (0); 2754 } 2755 2756 static int 2757 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2758 { 2759 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2760 vc->datasize = lvc->datasize; 2761 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2762 return (0); 2763 } 2764 2765 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2766 static int 2767 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2768 { 2769 int error; 2770 struct video_clip vclip; 2771 struct l_video_clip l_vclip; 2772 2773 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2774 if (error) return (error); 2775 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2776 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2777 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2778 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2779 memcpy(*ppvc, &vclip, sizeof(vclip)); 2780 (*ppvc)->next = NULL; 2781 return (0); 2782 } 2783 2784 static int 2785 linux_v4l_cliplist_free(struct video_window *vw) 2786 { 2787 struct video_clip **ppvc; 2788 struct video_clip **ppvc_next; 2789 2790 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2791 ppvc_next = &((*ppvc)->next); 2792 free(*ppvc, M_LINUX); 2793 } 2794 vw->clips = NULL; 2795 2796 return (0); 2797 } 2798 2799 static int 2800 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2801 { 2802 int error; 2803 int clipcount; 2804 void *plvc; 2805 struct video_clip **ppvc; 2806 2807 /* 2808 * XXX: The cliplist is used to pass in a list of clipping 2809 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2810 * clipping bitmap. Some Linux apps, however, appear to 2811 * leave cliplist and clips uninitialized. In any case, 2812 * the cliplist is not used by pwc(4), at the time of 2813 * writing, FreeBSD's only V4L driver. When a driver 2814 * that uses the cliplist is developed, this code may 2815 * need re-examiniation. 2816 */ 2817 error = 0; 2818 clipcount = vw->clipcount; 2819 if (clipcount == VIDEO_CLIP_BITMAP) { 2820 /* 2821 * In this case, the pointer (clips) is overloaded 2822 * to be a "void *" to a bitmap, therefore there 2823 * is no struct video_clip to copy now. 2824 */ 2825 } else if (clipcount > 0 && clipcount <= 16384) { 2826 /* 2827 * Clips points to list of clip rectangles, so 2828 * copy the list. 2829 * 2830 * XXX: Upper limit of 16384 was used here to try to 2831 * avoid cases when clipcount and clips pointer 2832 * are uninitialized and therefore have high random 2833 * values, as is the case in the Linux Skype 2834 * application. The value 16384 was chosen as that 2835 * is what is used in the Linux stradis(4) MPEG 2836 * decoder driver, the only place we found an 2837 * example of cliplist use. 2838 */ 2839 plvc = PTRIN(lvw->clips); 2840 vw->clips = NULL; 2841 ppvc = &(vw->clips); 2842 while (clipcount-- > 0) { 2843 if (plvc == NULL) { 2844 error = EFAULT; 2845 break; 2846 } else { 2847 error = linux_v4l_clip_copy(plvc, ppvc); 2848 if (error) { 2849 linux_v4l_cliplist_free(vw); 2850 break; 2851 } 2852 } 2853 ppvc = &((*ppvc)->next); 2854 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2855 } 2856 } else { 2857 /* 2858 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2859 * Force cliplist to null. 2860 */ 2861 vw->clipcount = 0; 2862 vw->clips = NULL; 2863 } 2864 return (error); 2865 } 2866 #endif 2867 2868 static int 2869 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2870 { 2871 struct file *fp; 2872 int error; 2873 struct video_tuner vtun; 2874 struct video_window vwin; 2875 struct video_buffer vbuf; 2876 struct video_code vcode; 2877 struct l_video_tuner l_vtun; 2878 struct l_video_window l_vwin; 2879 struct l_video_buffer l_vbuf; 2880 struct l_video_code l_vcode; 2881 2882 switch (args->cmd & 0xffff) { 2883 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2884 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2885 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2886 2887 case LINUX_VIDIOCGTUNER: 2888 error = fget(td, args->fd, 2889 &cap_ioctl_rights, &fp); 2890 if (error != 0) 2891 return (error); 2892 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2893 if (error) { 2894 fdrop(fp, td); 2895 return (error); 2896 } 2897 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2898 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2899 if (!error) { 2900 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2901 error = copyout(&l_vtun, (void *) args->arg, 2902 sizeof(l_vtun)); 2903 } 2904 fdrop(fp, td); 2905 return (error); 2906 2907 case LINUX_VIDIOCSTUNER: 2908 error = fget(td, args->fd, 2909 &cap_ioctl_rights, &fp); 2910 if (error != 0) 2911 return (error); 2912 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2913 if (error) { 2914 fdrop(fp, td); 2915 return (error); 2916 } 2917 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2918 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2919 fdrop(fp, td); 2920 return (error); 2921 2922 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2923 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2924 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2925 2926 case LINUX_VIDIOCGWIN: 2927 error = fget(td, args->fd, 2928 &cap_ioctl_rights, &fp); 2929 if (error != 0) 2930 return (error); 2931 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2932 if (!error) { 2933 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2934 error = copyout(&l_vwin, (void *) args->arg, 2935 sizeof(l_vwin)); 2936 } 2937 fdrop(fp, td); 2938 return (error); 2939 2940 case LINUX_VIDIOCSWIN: 2941 error = fget(td, args->fd, 2942 &cap_ioctl_rights, &fp); 2943 if (error != 0) 2944 return (error); 2945 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2946 if (error) { 2947 fdrop(fp, td); 2948 return (error); 2949 } 2950 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2951 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2952 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2953 if (error) { 2954 fdrop(fp, td); 2955 return (error); 2956 } 2957 #endif 2958 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2959 fdrop(fp, td); 2960 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2961 linux_v4l_cliplist_free(&vwin); 2962 #endif 2963 return (error); 2964 2965 case LINUX_VIDIOCGFBUF: 2966 error = fget(td, args->fd, 2967 &cap_ioctl_rights, &fp); 2968 if (error != 0) 2969 return (error); 2970 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2971 if (!error) { 2972 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2973 error = copyout(&l_vbuf, (void *) args->arg, 2974 sizeof(l_vbuf)); 2975 } 2976 fdrop(fp, td); 2977 return (error); 2978 2979 case LINUX_VIDIOCSFBUF: 2980 error = fget(td, args->fd, 2981 &cap_ioctl_rights, &fp); 2982 if (error != 0) 2983 return (error); 2984 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2985 if (error) { 2986 fdrop(fp, td); 2987 return (error); 2988 } 2989 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2990 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2991 fdrop(fp, td); 2992 return (error); 2993 2994 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2995 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2996 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2997 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2998 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2999 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3000 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3001 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3002 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3003 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3004 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3005 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3006 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3007 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3008 3009 case LINUX_VIDIOCSMICROCODE: 3010 error = fget(td, args->fd, 3011 &cap_ioctl_rights, &fp); 3012 if (error != 0) 3013 return (error); 3014 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3015 if (error) { 3016 fdrop(fp, td); 3017 return (error); 3018 } 3019 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3020 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3021 fdrop(fp, td); 3022 return (error); 3023 3024 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3025 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3026 default: return (ENOIOCTL); 3027 } 3028 3029 error = sys_ioctl(td, (struct ioctl_args *)args); 3030 return (error); 3031 } 3032 3033 /* 3034 * Special ioctl handler 3035 */ 3036 static int 3037 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3038 { 3039 int error; 3040 3041 switch (args->cmd) { 3042 case LINUX_SIOCGIFADDR: 3043 args->cmd = SIOCGIFADDR; 3044 error = sys_ioctl(td, (struct ioctl_args *)args); 3045 break; 3046 case LINUX_SIOCSIFADDR: 3047 args->cmd = SIOCSIFADDR; 3048 error = sys_ioctl(td, (struct ioctl_args *)args); 3049 break; 3050 case LINUX_SIOCGIFFLAGS: 3051 args->cmd = SIOCGIFFLAGS; 3052 error = sys_ioctl(td, (struct ioctl_args *)args); 3053 break; 3054 default: 3055 error = ENOIOCTL; 3056 } 3057 3058 return (error); 3059 } 3060 3061 static int 3062 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3063 { 3064 vstd->index = lvstd->index; 3065 vstd->id = lvstd->id; 3066 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3067 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3068 vstd->frameperiod = lvstd->frameperiod; 3069 vstd->framelines = lvstd->framelines; 3070 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3071 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3072 return (0); 3073 } 3074 3075 static int 3076 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3077 { 3078 lvstd->index = vstd->index; 3079 lvstd->id = vstd->id; 3080 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3081 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3082 lvstd->frameperiod = vstd->frameperiod; 3083 lvstd->framelines = vstd->framelines; 3084 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3085 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3086 return (0); 3087 } 3088 3089 static int 3090 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3091 { 3092 vb->index = lvb->index; 3093 vb->type = lvb->type; 3094 vb->bytesused = lvb->bytesused; 3095 vb->flags = lvb->flags; 3096 vb->field = lvb->field; 3097 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3098 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3099 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3100 vb->sequence = lvb->sequence; 3101 vb->memory = lvb->memory; 3102 if (lvb->memory == V4L2_MEMORY_USERPTR) 3103 /* possible pointer size conversion */ 3104 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3105 else 3106 vb->m.offset = lvb->m.offset; 3107 vb->length = lvb->length; 3108 vb->input = lvb->input; 3109 vb->reserved = lvb->reserved; 3110 return (0); 3111 } 3112 3113 static int 3114 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3115 { 3116 lvb->index = vb->index; 3117 lvb->type = vb->type; 3118 lvb->bytesused = vb->bytesused; 3119 lvb->flags = vb->flags; 3120 lvb->field = vb->field; 3121 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3122 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3123 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3124 lvb->sequence = vb->sequence; 3125 lvb->memory = vb->memory; 3126 if (vb->memory == V4L2_MEMORY_USERPTR) 3127 /* possible pointer size conversion */ 3128 lvb->m.userptr = PTROUT(vb->m.userptr); 3129 else 3130 lvb->m.offset = vb->m.offset; 3131 lvb->length = vb->length; 3132 lvb->input = vb->input; 3133 lvb->reserved = vb->reserved; 3134 return (0); 3135 } 3136 3137 static int 3138 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3139 { 3140 vf->type = lvf->type; 3141 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3142 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3143 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3144 #endif 3145 ) 3146 /* 3147 * XXX TODO - needs 32 -> 64 bit conversion: 3148 * (unused by webcams?) 3149 */ 3150 return (EINVAL); 3151 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3152 return (0); 3153 } 3154 3155 static int 3156 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3157 { 3158 lvf->type = vf->type; 3159 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3160 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3161 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3162 #endif 3163 ) 3164 /* 3165 * XXX TODO - needs 32 -> 64 bit conversion: 3166 * (unused by webcams?) 3167 */ 3168 return (EINVAL); 3169 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3170 return (0); 3171 } 3172 static int 3173 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3174 { 3175 struct file *fp; 3176 int error; 3177 struct v4l2_format vformat; 3178 struct l_v4l2_format l_vformat; 3179 struct v4l2_standard vstd; 3180 struct l_v4l2_standard l_vstd; 3181 struct l_v4l2_buffer l_vbuf; 3182 struct v4l2_buffer vbuf; 3183 struct v4l2_input vinp; 3184 3185 switch (args->cmd & 0xffff) { 3186 case LINUX_VIDIOC_RESERVED: 3187 case LINUX_VIDIOC_LOG_STATUS: 3188 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3189 return (ENOIOCTL); 3190 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3191 break; 3192 3193 case LINUX_VIDIOC_OVERLAY: 3194 case LINUX_VIDIOC_STREAMON: 3195 case LINUX_VIDIOC_STREAMOFF: 3196 case LINUX_VIDIOC_S_STD: 3197 case LINUX_VIDIOC_S_TUNER: 3198 case LINUX_VIDIOC_S_AUDIO: 3199 case LINUX_VIDIOC_S_AUDOUT: 3200 case LINUX_VIDIOC_S_MODULATOR: 3201 case LINUX_VIDIOC_S_FREQUENCY: 3202 case LINUX_VIDIOC_S_CROP: 3203 case LINUX_VIDIOC_S_JPEGCOMP: 3204 case LINUX_VIDIOC_S_PRIORITY: 3205 case LINUX_VIDIOC_DBG_S_REGISTER: 3206 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3207 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3208 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3209 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3210 break; 3211 3212 case LINUX_VIDIOC_QUERYCAP: 3213 case LINUX_VIDIOC_G_STD: 3214 case LINUX_VIDIOC_G_AUDIO: 3215 case LINUX_VIDIOC_G_INPUT: 3216 case LINUX_VIDIOC_G_OUTPUT: 3217 case LINUX_VIDIOC_G_AUDOUT: 3218 case LINUX_VIDIOC_G_JPEGCOMP: 3219 case LINUX_VIDIOC_QUERYSTD: 3220 case LINUX_VIDIOC_G_PRIORITY: 3221 case LINUX_VIDIOC_QUERY_DV_PRESET: 3222 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3223 break; 3224 3225 case LINUX_VIDIOC_ENUM_FMT: 3226 case LINUX_VIDIOC_REQBUFS: 3227 case LINUX_VIDIOC_G_PARM: 3228 case LINUX_VIDIOC_S_PARM: 3229 case LINUX_VIDIOC_G_CTRL: 3230 case LINUX_VIDIOC_S_CTRL: 3231 case LINUX_VIDIOC_G_TUNER: 3232 case LINUX_VIDIOC_QUERYCTRL: 3233 case LINUX_VIDIOC_QUERYMENU: 3234 case LINUX_VIDIOC_S_INPUT: 3235 case LINUX_VIDIOC_S_OUTPUT: 3236 case LINUX_VIDIOC_ENUMOUTPUT: 3237 case LINUX_VIDIOC_G_MODULATOR: 3238 case LINUX_VIDIOC_G_FREQUENCY: 3239 case LINUX_VIDIOC_CROPCAP: 3240 case LINUX_VIDIOC_G_CROP: 3241 case LINUX_VIDIOC_ENUMAUDIO: 3242 case LINUX_VIDIOC_ENUMAUDOUT: 3243 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3244 #ifdef VIDIOC_ENUM_FRAMESIZES 3245 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3246 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3247 case LINUX_VIDIOC_ENCODER_CMD: 3248 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3249 #endif 3250 case LINUX_VIDIOC_DBG_G_REGISTER: 3251 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3252 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3253 case LINUX_VIDIOC_S_DV_PRESET: 3254 case LINUX_VIDIOC_G_DV_PRESET: 3255 case LINUX_VIDIOC_S_DV_TIMINGS: 3256 case LINUX_VIDIOC_G_DV_TIMINGS: 3257 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3258 break; 3259 3260 case LINUX_VIDIOC_G_FMT: 3261 case LINUX_VIDIOC_S_FMT: 3262 case LINUX_VIDIOC_TRY_FMT: 3263 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3264 if (error) 3265 return (error); 3266 error = fget(td, args->fd, 3267 &cap_ioctl_rights, &fp); 3268 if (error) 3269 return (error); 3270 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3271 error = EINVAL; 3272 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3273 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3274 td->td_ucred, td); 3275 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3276 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3277 td->td_ucred, td); 3278 else 3279 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3280 td->td_ucred, td); 3281 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3282 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3283 fdrop(fp, td); 3284 return (error); 3285 3286 case LINUX_VIDIOC_ENUMSTD: 3287 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3288 if (error) 3289 return (error); 3290 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3291 error = fget(td, args->fd, 3292 &cap_ioctl_rights, &fp); 3293 if (error) 3294 return (error); 3295 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3296 td->td_ucred, td); 3297 if (error) { 3298 fdrop(fp, td); 3299 return (error); 3300 } 3301 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3302 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3303 fdrop(fp, td); 3304 return (error); 3305 3306 case LINUX_VIDIOC_ENUMINPUT: 3307 /* 3308 * The Linux struct l_v4l2_input differs only in size, 3309 * it has no padding at the end. 3310 */ 3311 error = copyin((void *)args->arg, &vinp, 3312 sizeof(struct l_v4l2_input)); 3313 if (error != 0) 3314 return (error); 3315 error = fget(td, args->fd, 3316 &cap_ioctl_rights, &fp); 3317 if (error != 0) 3318 return (error); 3319 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3320 td->td_ucred, td); 3321 if (error) { 3322 fdrop(fp, td); 3323 return (error); 3324 } 3325 error = copyout(&vinp, (void *)args->arg, 3326 sizeof(struct l_v4l2_input)); 3327 fdrop(fp, td); 3328 return (error); 3329 3330 case LINUX_VIDIOC_QUERYBUF: 3331 case LINUX_VIDIOC_QBUF: 3332 case LINUX_VIDIOC_DQBUF: 3333 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3334 if (error) 3335 return (error); 3336 error = fget(td, args->fd, 3337 &cap_ioctl_rights, &fp); 3338 if (error) 3339 return (error); 3340 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3341 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3342 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3343 td->td_ucred, td); 3344 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3345 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3346 td->td_ucred, td); 3347 else 3348 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3349 td->td_ucred, td); 3350 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3351 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3352 fdrop(fp, td); 3353 return (error); 3354 3355 /* 3356 * XXX TODO - these need 32 -> 64 bit conversion: 3357 * (are any of them needed for webcams?) 3358 */ 3359 case LINUX_VIDIOC_G_FBUF: 3360 case LINUX_VIDIOC_S_FBUF: 3361 3362 case LINUX_VIDIOC_G_EXT_CTRLS: 3363 case LINUX_VIDIOC_S_EXT_CTRLS: 3364 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3365 3366 case LINUX_VIDIOC_DQEVENT: 3367 3368 default: return (ENOIOCTL); 3369 } 3370 3371 error = sys_ioctl(td, (struct ioctl_args *)args); 3372 return (error); 3373 } 3374 3375 /* 3376 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3377 * instead of USB* ones. This lets us to provide correct values for cmd. 3378 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3379 */ 3380 static int 3381 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3382 { 3383 int error; 3384 3385 error = 0; 3386 switch (args->cmd) { 3387 case FBSD_LUSB_DEVICEENUMERATE: 3388 args->cmd = USB_DEVICEENUMERATE; 3389 break; 3390 case FBSD_LUSB_DEV_QUIRK_ADD: 3391 args->cmd = USB_DEV_QUIRK_ADD; 3392 break; 3393 case FBSD_LUSB_DEV_QUIRK_GET: 3394 args->cmd = USB_DEV_QUIRK_GET; 3395 break; 3396 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3397 args->cmd = USB_DEV_QUIRK_REMOVE; 3398 break; 3399 case FBSD_LUSB_DO_REQUEST: 3400 args->cmd = USB_DO_REQUEST; 3401 break; 3402 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3403 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3404 break; 3405 case FBSD_LUSB_FS_CLOSE: 3406 args->cmd = USB_FS_CLOSE; 3407 break; 3408 case FBSD_LUSB_FS_COMPLETE: 3409 args->cmd = USB_FS_COMPLETE; 3410 break; 3411 case FBSD_LUSB_FS_INIT: 3412 args->cmd = USB_FS_INIT; 3413 break; 3414 case FBSD_LUSB_FS_OPEN: 3415 args->cmd = USB_FS_OPEN; 3416 break; 3417 case FBSD_LUSB_FS_START: 3418 args->cmd = USB_FS_START; 3419 break; 3420 case FBSD_LUSB_FS_STOP: 3421 args->cmd = USB_FS_STOP; 3422 break; 3423 case FBSD_LUSB_FS_UNINIT: 3424 args->cmd = USB_FS_UNINIT; 3425 break; 3426 case FBSD_LUSB_GET_CONFIG: 3427 args->cmd = USB_GET_CONFIG; 3428 break; 3429 case FBSD_LUSB_GET_DEVICEINFO: 3430 args->cmd = USB_GET_DEVICEINFO; 3431 break; 3432 case FBSD_LUSB_GET_DEVICE_DESC: 3433 args->cmd = USB_GET_DEVICE_DESC; 3434 break; 3435 case FBSD_LUSB_GET_FULL_DESC: 3436 args->cmd = USB_GET_FULL_DESC; 3437 break; 3438 case FBSD_LUSB_GET_IFACE_DRIVER: 3439 args->cmd = USB_GET_IFACE_DRIVER; 3440 break; 3441 case FBSD_LUSB_GET_PLUGTIME: 3442 args->cmd = USB_GET_PLUGTIME; 3443 break; 3444 case FBSD_LUSB_GET_POWER_MODE: 3445 args->cmd = USB_GET_POWER_MODE; 3446 break; 3447 case FBSD_LUSB_GET_REPORT_DESC: 3448 args->cmd = USB_GET_REPORT_DESC; 3449 break; 3450 case FBSD_LUSB_GET_REPORT_ID: 3451 args->cmd = USB_GET_REPORT_ID; 3452 break; 3453 case FBSD_LUSB_GET_TEMPLATE: 3454 args->cmd = USB_GET_TEMPLATE; 3455 break; 3456 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3457 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3458 break; 3459 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3460 args->cmd = USB_IFACE_DRIVER_DETACH; 3461 break; 3462 case FBSD_LUSB_QUIRK_NAME_GET: 3463 args->cmd = USB_QUIRK_NAME_GET; 3464 break; 3465 case FBSD_LUSB_READ_DIR: 3466 args->cmd = USB_READ_DIR; 3467 break; 3468 case FBSD_LUSB_SET_ALTINTERFACE: 3469 args->cmd = USB_SET_ALTINTERFACE; 3470 break; 3471 case FBSD_LUSB_SET_CONFIG: 3472 args->cmd = USB_SET_CONFIG; 3473 break; 3474 case FBSD_LUSB_SET_IMMED: 3475 args->cmd = USB_SET_IMMED; 3476 break; 3477 case FBSD_LUSB_SET_POWER_MODE: 3478 args->cmd = USB_SET_POWER_MODE; 3479 break; 3480 case FBSD_LUSB_SET_TEMPLATE: 3481 args->cmd = USB_SET_TEMPLATE; 3482 break; 3483 case FBSD_LUSB_FS_OPEN_STREAM: 3484 args->cmd = USB_FS_OPEN_STREAM; 3485 break; 3486 case FBSD_LUSB_GET_DEV_PORT_PATH: 3487 args->cmd = USB_GET_DEV_PORT_PATH; 3488 break; 3489 case FBSD_LUSB_GET_POWER_USAGE: 3490 args->cmd = USB_GET_POWER_USAGE; 3491 break; 3492 case FBSD_LUSB_DEVICESTATS: 3493 args->cmd = USB_DEVICESTATS; 3494 break; 3495 default: 3496 error = ENOIOCTL; 3497 } 3498 if (error != ENOIOCTL) 3499 error = sys_ioctl(td, (struct ioctl_args *)args); 3500 return (error); 3501 } 3502 3503 /* 3504 * Some evdev ioctls must be translated. 3505 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3506 * (must be IOC_INOUT on FreeBSD). 3507 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3508 * an int argument. You don't pass an int pointer to the ioctl(), however, 3509 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3510 * this to work. 3511 */ 3512 static int 3513 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3514 { 3515 struct file *fp; 3516 clockid_t clock; 3517 int error; 3518 3519 args->cmd = SETDIR(args->cmd); 3520 3521 switch (args->cmd) { 3522 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3523 args->cmd = EVIOCGRAB; 3524 break; 3525 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3526 args->cmd = EVIOCREVOKE; 3527 break; 3528 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3529 args->cmd = EVIOCRMFF; 3530 break; 3531 case EVIOCSCLOCKID: { 3532 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3533 if (error != 0) 3534 return (error); 3535 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3536 return (EINVAL); 3537 error = linux_to_native_clockid(&clock, clock); 3538 if (error != 0) 3539 return (error); 3540 3541 error = fget(td, args->fd, 3542 &cap_ioctl_rights, &fp); 3543 if (error != 0) 3544 return (error); 3545 3546 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3547 fdrop(fp, td); 3548 return (error); 3549 } 3550 default: 3551 break; 3552 } 3553 3554 if (IOCBASECMD(args->cmd) == 3555 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3556 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3557 3558 return (sys_ioctl(td, (struct ioctl_args *)args)); 3559 } 3560 3561 static int 3562 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3563 { 3564 int error; 3565 3566 error = 0; 3567 switch (args->cmd & 0xffff) { 3568 case LINUX_KCOV_INIT_TRACE: 3569 args->cmd = KIOSETBUFSIZE; 3570 break; 3571 case LINUX_KCOV_ENABLE: 3572 args->cmd = KIOENABLE; 3573 if (args->arg == 0) 3574 args->arg = KCOV_MODE_TRACE_PC; 3575 else if (args->arg == 1) 3576 args->arg = KCOV_MODE_TRACE_CMP; 3577 else 3578 error = EINVAL; 3579 break; 3580 case LINUX_KCOV_DISABLE: 3581 args->cmd = KIODISABLE; 3582 break; 3583 default: 3584 error = ENOTTY; 3585 break; 3586 } 3587 3588 if (error == 0) 3589 error = sys_ioctl(td, (struct ioctl_args *)args); 3590 return (error); 3591 } 3592 3593 /* 3594 * main ioctl syscall function 3595 */ 3596 3597 static int 3598 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3599 { 3600 struct file *fp; 3601 struct linux_ioctl_handler_element *he; 3602 int error, cmd; 3603 3604 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3605 if (error != 0) 3606 return (error); 3607 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3608 fdrop(fp, td); 3609 return (EBADF); 3610 } 3611 3612 /* Iterate over the ioctl handlers */ 3613 cmd = args->cmd & 0xffff; 3614 sx_slock(&linux_ioctl_sx); 3615 mtx_lock(&Giant); 3616 #ifdef COMPAT_LINUX32 3617 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3618 if (cmd >= he->low && cmd <= he->high) { 3619 error = (*he->func)(td, args); 3620 if (error != ENOIOCTL) { 3621 mtx_unlock(&Giant); 3622 sx_sunlock(&linux_ioctl_sx); 3623 fdrop(fp, td); 3624 return (error); 3625 } 3626 } 3627 } 3628 #endif 3629 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3630 if (cmd >= he->low && cmd <= he->high) { 3631 error = (*he->func)(td, args); 3632 if (error != ENOIOCTL) { 3633 mtx_unlock(&Giant); 3634 sx_sunlock(&linux_ioctl_sx); 3635 fdrop(fp, td); 3636 return (error); 3637 } 3638 } 3639 } 3640 mtx_unlock(&Giant); 3641 sx_sunlock(&linux_ioctl_sx); 3642 fdrop(fp, td); 3643 3644 switch (args->cmd & 0xffff) { 3645 case LINUX_BTRFS_IOC_CLONE: 3646 case LINUX_F2FS_IOC_GET_FEATURES: 3647 case LINUX_FS_IOC_FIEMAP: 3648 return (ENOTSUP); 3649 3650 default: 3651 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3652 __func__, args->fd, args->cmd, 3653 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3654 break; 3655 } 3656 3657 return (EINVAL); 3658 } 3659 3660 int 3661 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3662 { 3663 struct linux_ioctl_handler *handler; 3664 int error, cmd, i; 3665 3666 cmd = args->cmd & 0xffff; 3667 3668 /* 3669 * array of ioctls known at compilation time. Elides a lot of work on 3670 * each call compared to the list variant. Everything frequently used 3671 * should be moved here. 3672 * 3673 * Arguably the magic creating the list should create an array instead. 3674 * 3675 * For now just a linear scan. 3676 */ 3677 for (i = 0; i < nitems(linux_ioctls); i++) { 3678 handler = &linux_ioctls[i]; 3679 if (cmd >= handler->low && cmd <= handler->high) { 3680 error = (*handler->func)(td, args); 3681 if (error != ENOIOCTL) { 3682 return (error); 3683 } 3684 } 3685 } 3686 return (linux_ioctl_fallback(td, args)); 3687 } 3688 3689 int 3690 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3691 { 3692 struct linux_ioctl_handler_element *he, *cur; 3693 3694 if (h == NULL || h->func == NULL) 3695 return (EINVAL); 3696 3697 /* 3698 * Reuse the element if the handler is already on the list, otherwise 3699 * create a new element. 3700 */ 3701 sx_xlock(&linux_ioctl_sx); 3702 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3703 if (he->func == h->func) 3704 break; 3705 } 3706 if (he == NULL) { 3707 he = malloc(sizeof(*he), 3708 M_LINUX, M_WAITOK); 3709 he->func = h->func; 3710 } else 3711 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3712 3713 /* Initialize range information. */ 3714 he->low = h->low; 3715 he->high = h->high; 3716 he->span = h->high - h->low + 1; 3717 3718 /* Add the element to the list, sorted on span. */ 3719 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3720 if (cur->span > he->span) { 3721 TAILQ_INSERT_BEFORE(cur, he, list); 3722 sx_xunlock(&linux_ioctl_sx); 3723 return (0); 3724 } 3725 } 3726 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3727 sx_xunlock(&linux_ioctl_sx); 3728 3729 return (0); 3730 } 3731 3732 int 3733 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3734 { 3735 struct linux_ioctl_handler_element *he; 3736 3737 if (h == NULL || h->func == NULL) 3738 return (EINVAL); 3739 3740 sx_xlock(&linux_ioctl_sx); 3741 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3742 if (he->func == h->func) { 3743 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3744 sx_xunlock(&linux_ioctl_sx); 3745 free(he, M_LINUX); 3746 return (0); 3747 } 3748 } 3749 sx_xunlock(&linux_ioctl_sx); 3750 3751 return (EINVAL); 3752 } 3753 3754 #ifdef COMPAT_LINUX32 3755 int 3756 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3757 { 3758 struct linux_ioctl_handler_element *he, *cur; 3759 3760 if (h == NULL || h->func == NULL) 3761 return (EINVAL); 3762 3763 /* 3764 * Reuse the element if the handler is already on the list, otherwise 3765 * create a new element. 3766 */ 3767 sx_xlock(&linux_ioctl_sx); 3768 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3769 if (he->func == h->func) 3770 break; 3771 } 3772 if (he == NULL) { 3773 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3774 he->func = h->func; 3775 } else 3776 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3777 3778 /* Initialize range information. */ 3779 he->low = h->low; 3780 he->high = h->high; 3781 he->span = h->high - h->low + 1; 3782 3783 /* Add the element to the list, sorted on span. */ 3784 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3785 if (cur->span > he->span) { 3786 TAILQ_INSERT_BEFORE(cur, he, list); 3787 sx_xunlock(&linux_ioctl_sx); 3788 return (0); 3789 } 3790 } 3791 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3792 sx_xunlock(&linux_ioctl_sx); 3793 3794 return (0); 3795 } 3796 3797 int 3798 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3799 { 3800 struct linux_ioctl_handler_element *he; 3801 3802 if (h == NULL || h->func == NULL) 3803 return (EINVAL); 3804 3805 sx_xlock(&linux_ioctl_sx); 3806 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3807 if (he->func == h->func) { 3808 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3809 sx_xunlock(&linux_ioctl_sx); 3810 free(he, M_LINUX); 3811 return (0); 3812 } 3813 } 3814 sx_xunlock(&linux_ioctl_sx); 3815 3816 return (EINVAL); 3817 } 3818 #endif 3819