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