1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1994-1995 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "opt_compat.h" 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/sysproto.h> 37 #ifdef COMPAT_LINUX32 38 #include <sys/abi_compat.h> 39 #endif 40 #include <sys/capsicum.h> 41 #include <sys/cdio.h> 42 #include <sys/dvdio.h> 43 #include <sys/conf.h> 44 #include <sys/disk.h> 45 #include <sys/consio.h> 46 #include <sys/ctype.h> 47 #include <sys/fcntl.h> 48 #include <sys/file.h> 49 #include <sys/filedesc.h> 50 #include <sys/filio.h> 51 #include <sys/jail.h> 52 #include <sys/kbio.h> 53 #include <sys/kcov.h> 54 #include <sys/kernel.h> 55 #include <sys/linker_set.h> 56 #include <sys/lock.h> 57 #include <sys/malloc.h> 58 #include <sys/proc.h> 59 #include <sys/sbuf.h> 60 #include <sys/socket.h> 61 #include <sys/sockio.h> 62 #include <sys/soundcard.h> 63 #include <sys/stdint.h> 64 #include <sys/sx.h> 65 #include <sys/sysctl.h> 66 #include <sys/tty.h> 67 #include <sys/uio.h> 68 #include <sys/types.h> 69 #include <sys/mman.h> 70 #include <sys/resourcevar.h> 71 72 #include <net/if.h> 73 #include <net/if_var.h> 74 #include <net/if_dl.h> 75 #include <net/if_types.h> 76 77 #include <dev/evdev/input.h> 78 #include <dev/usb/usb_ioctl.h> 79 80 #ifdef COMPAT_LINUX32 81 #include <machine/../linux32/linux.h> 82 #include <machine/../linux32/linux32_proto.h> 83 #else 84 #include <machine/../linux/linux.h> 85 #include <machine/../linux/linux_proto.h> 86 #endif 87 88 #include <compat/linux/linux_common.h> 89 #include <compat/linux/linux_ioctl.h> 90 #include <compat/linux/linux_mib.h> 91 #include <compat/linux/linux_socket.h> 92 #include <compat/linux/linux_timer.h> 93 #include <compat/linux/linux_util.h> 94 95 #include <contrib/v4l/videodev.h> 96 #include <compat/linux/linux_videodev_compat.h> 97 98 #include <contrib/v4l/videodev2.h> 99 #include <compat/linux/linux_videodev2_compat.h> 100 101 #include <cam/scsi/scsi_sg.h> 102 103 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 104 105 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \ 106 static linux_ioctl_function_t linux_ioctl_ ## shortname; \ 107 static struct linux_ioctl_handler shortname ## _handler = { \ 108 .func = linux_ioctl_ ## shortname, \ 109 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \ 110 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \ 111 }; \ 112 DATA_SET(linux_ioctl_handler_set, shortname ## _handler) 113 114 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM); 115 DEFINE_LINUX_IOCTL_SET(vfat, VFAT); 116 DEFINE_LINUX_IOCTL_SET(console, CONSOLE); 117 DEFINE_LINUX_IOCTL_SET(hdio, HDIO); 118 DEFINE_LINUX_IOCTL_SET(disk, DISK); 119 DEFINE_LINUX_IOCTL_SET(socket, SOCKET); 120 DEFINE_LINUX_IOCTL_SET(sound, SOUND); 121 DEFINE_LINUX_IOCTL_SET(termio, TERMIO); 122 DEFINE_LINUX_IOCTL_SET(private, PRIVATE); 123 DEFINE_LINUX_IOCTL_SET(drm, DRM); 124 DEFINE_LINUX_IOCTL_SET(sg, SG); 125 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO); 126 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2); 127 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB); 128 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV); 129 DEFINE_LINUX_IOCTL_SET(kcov, KCOV); 130 131 #undef DEFINE_LINUX_IOCTL_SET 132 133 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *); 134 135 /* 136 * Keep sorted by low. 137 */ 138 static struct linux_ioctl_handler linux_ioctls[] = { 139 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 140 .high = LINUX_IOCTL_TERMIO_MAX }, 141 }; 142 143 #ifdef __i386__ 144 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 145 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 146 static struct sx linux_ioctl_sx; 147 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 148 #else 149 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 150 extern struct sx linux_ioctl_sx; 151 #endif 152 #ifdef COMPAT_LINUX32 153 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 154 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 155 #endif 156 157 /* 158 * hdio related ioctls for VMWare support 159 */ 160 161 struct linux_hd_geometry { 162 u_int8_t heads; 163 u_int8_t sectors; 164 u_int16_t cylinders; 165 u_int32_t start; 166 }; 167 168 struct linux_hd_big_geometry { 169 u_int8_t heads; 170 u_int8_t sectors; 171 u_int32_t cylinders; 172 u_int32_t start; 173 }; 174 175 static int 176 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 177 { 178 struct file *fp; 179 int error; 180 u_int sectorsize, fwcylinders, fwheads, fwsectors; 181 off_t mediasize, bytespercyl; 182 183 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 184 if (error != 0) 185 return (error); 186 switch (args->cmd & 0xffff) { 187 case LINUX_HDIO_GET_GEO: 188 case LINUX_HDIO_GET_GEO_BIG: 189 error = fo_ioctl(fp, DIOCGMEDIASIZE, 190 (caddr_t)&mediasize, td->td_ucred, td); 191 if (!error) 192 error = fo_ioctl(fp, DIOCGSECTORSIZE, 193 (caddr_t)§orsize, td->td_ucred, td); 194 if (!error) 195 error = fo_ioctl(fp, DIOCGFWHEADS, 196 (caddr_t)&fwheads, td->td_ucred, td); 197 if (!error) 198 error = fo_ioctl(fp, DIOCGFWSECTORS, 199 (caddr_t)&fwsectors, td->td_ucred, td); 200 /* 201 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 202 * so pretend that GEOM always says 0. This is NOT VALID 203 * for slices or partitions, only the per-disk raw devices. 204 */ 205 206 fdrop(fp, td); 207 if (error) 208 return (error); 209 /* 210 * 1. Calculate the number of bytes in a cylinder, 211 * given the firmware's notion of heads and sectors 212 * per cylinder. 213 * 2. Calculate the number of cylinders, given the total 214 * size of the media. 215 * All internal calculations should have 64-bit precision. 216 */ 217 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 218 fwcylinders = mediasize / bytespercyl; 219 220 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 221 struct linux_hd_geometry hdg; 222 223 hdg.cylinders = fwcylinders; 224 hdg.heads = fwheads; 225 hdg.sectors = fwsectors; 226 hdg.start = 0; 227 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 228 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 229 struct linux_hd_big_geometry hdbg; 230 231 memset(&hdbg, 0, sizeof(hdbg)); 232 hdbg.cylinders = fwcylinders; 233 hdbg.heads = fwheads; 234 hdbg.sectors = fwsectors; 235 hdbg.start = 0; 236 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 237 } 238 return (error); 239 break; 240 default: 241 /* XXX */ 242 linux_msg(td, 243 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 244 __func__, args->fd, args->cmd, 245 (int)(args->cmd & 0xff00) >> 8, 246 (int)(args->cmd & 0xff)); 247 break; 248 } 249 fdrop(fp, td); 250 return (ENOIOCTL); 251 } 252 253 static int 254 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 255 { 256 struct file *fp; 257 int error; 258 u_int sectorsize, psectorsize; 259 uint64_t blksize64; 260 off_t mediasize, stripesize; 261 262 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 263 if (error != 0) 264 return (error); 265 switch (args->cmd & 0xffff) { 266 case LINUX_BLKGETSIZE: 267 error = fo_ioctl(fp, DIOCGSECTORSIZE, 268 (caddr_t)§orsize, td->td_ucred, td); 269 if (!error) 270 error = fo_ioctl(fp, DIOCGMEDIASIZE, 271 (caddr_t)&mediasize, td->td_ucred, td); 272 fdrop(fp, td); 273 if (error) 274 return (error); 275 sectorsize = mediasize / sectorsize; 276 /* 277 * XXX: How do we know we return the right size of integer ? 278 */ 279 return (copyout(§orsize, (void *)args->arg, 280 sizeof(sectorsize))); 281 break; 282 case LINUX_BLKGETSIZE64: 283 error = fo_ioctl(fp, DIOCGMEDIASIZE, 284 (caddr_t)&mediasize, td->td_ucred, td); 285 fdrop(fp, td); 286 if (error) 287 return (error); 288 blksize64 = mediasize;; 289 return (copyout(&blksize64, (void *)args->arg, 290 sizeof(blksize64))); 291 case LINUX_BLKSSZGET: 292 error = fo_ioctl(fp, DIOCGSECTORSIZE, 293 (caddr_t)§orsize, td->td_ucred, td); 294 fdrop(fp, td); 295 if (error) 296 return (error); 297 return (copyout(§orsize, (void *)args->arg, 298 sizeof(sectorsize))); 299 break; 300 case LINUX_BLKPBSZGET: 301 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 302 (caddr_t)&stripesize, td->td_ucred, td); 303 if (error != 0) { 304 fdrop(fp, td); 305 return (error); 306 } 307 if (stripesize > 0 && stripesize <= 4096) { 308 psectorsize = stripesize; 309 } else { 310 error = fo_ioctl(fp, DIOCGSECTORSIZE, 311 (caddr_t)§orsize, td->td_ucred, td); 312 if (error != 0) { 313 fdrop(fp, td); 314 return (error); 315 } 316 psectorsize = sectorsize; 317 } 318 fdrop(fp, td); 319 return (copyout(&psectorsize, (void *)args->arg, 320 sizeof(psectorsize))); 321 } 322 fdrop(fp, td); 323 return (ENOIOCTL); 324 } 325 326 /* 327 * termio related ioctls 328 */ 329 330 struct linux_termio { 331 unsigned short c_iflag; 332 unsigned short c_oflag; 333 unsigned short c_cflag; 334 unsigned short c_lflag; 335 unsigned char c_line; 336 unsigned char c_cc[LINUX_NCC]; 337 }; 338 339 struct linux_termios { 340 unsigned int c_iflag; 341 unsigned int c_oflag; 342 unsigned int c_cflag; 343 unsigned int c_lflag; 344 unsigned char c_line; 345 unsigned char c_cc[LINUX_NCCS]; 346 }; 347 348 struct linux_winsize { 349 unsigned short ws_row, ws_col; 350 unsigned short ws_xpixel, ws_ypixel; 351 }; 352 353 struct speedtab { 354 int sp_speed; /* Speed. */ 355 int sp_code; /* Code. */ 356 }; 357 358 static struct speedtab sptab[] = { 359 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 360 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 361 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 362 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 363 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 364 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 365 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 366 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 367 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 368 {-1, -1 } 369 }; 370 371 struct linux_serial_struct { 372 int type; 373 int line; 374 int port; 375 int irq; 376 int flags; 377 int xmit_fifo_size; 378 int custom_divisor; 379 int baud_base; 380 unsigned short close_delay; 381 char reserved_char[2]; 382 int hub6; 383 unsigned short closing_wait; 384 unsigned short closing_wait2; 385 int reserved[4]; 386 }; 387 388 static int 389 linux_to_bsd_speed(int code, struct speedtab *table) 390 { 391 for ( ; table->sp_code != -1; table++) 392 if (table->sp_code == code) 393 return (table->sp_speed); 394 return (-1); 395 } 396 397 static int 398 bsd_to_linux_speed(int speed, struct speedtab *table) 399 { 400 for ( ; table->sp_speed != -1; table++) 401 if (table->sp_speed == speed) 402 return (table->sp_code); 403 return (-1); 404 } 405 406 static void 407 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 408 { 409 int i; 410 411 lios->c_iflag = 0; 412 if (bios->c_iflag & IGNBRK) 413 lios->c_iflag |= LINUX_IGNBRK; 414 if (bios->c_iflag & BRKINT) 415 lios->c_iflag |= LINUX_BRKINT; 416 if (bios->c_iflag & IGNPAR) 417 lios->c_iflag |= LINUX_IGNPAR; 418 if (bios->c_iflag & PARMRK) 419 lios->c_iflag |= LINUX_PARMRK; 420 if (bios->c_iflag & INPCK) 421 lios->c_iflag |= LINUX_INPCK; 422 if (bios->c_iflag & ISTRIP) 423 lios->c_iflag |= LINUX_ISTRIP; 424 if (bios->c_iflag & INLCR) 425 lios->c_iflag |= LINUX_INLCR; 426 if (bios->c_iflag & IGNCR) 427 lios->c_iflag |= LINUX_IGNCR; 428 if (bios->c_iflag & ICRNL) 429 lios->c_iflag |= LINUX_ICRNL; 430 if (bios->c_iflag & IXON) 431 lios->c_iflag |= LINUX_IXON; 432 if (bios->c_iflag & IXANY) 433 lios->c_iflag |= LINUX_IXANY; 434 if (bios->c_iflag & IXOFF) 435 lios->c_iflag |= LINUX_IXOFF; 436 if (bios->c_iflag & IMAXBEL) 437 lios->c_iflag |= LINUX_IMAXBEL; 438 439 lios->c_oflag = 0; 440 if (bios->c_oflag & OPOST) 441 lios->c_oflag |= LINUX_OPOST; 442 if (bios->c_oflag & ONLCR) 443 lios->c_oflag |= LINUX_ONLCR; 444 if (bios->c_oflag & TAB3) 445 lios->c_oflag |= LINUX_XTABS; 446 447 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 448 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 449 if (bios->c_cflag & CSTOPB) 450 lios->c_cflag |= LINUX_CSTOPB; 451 if (bios->c_cflag & CREAD) 452 lios->c_cflag |= LINUX_CREAD; 453 if (bios->c_cflag & PARENB) 454 lios->c_cflag |= LINUX_PARENB; 455 if (bios->c_cflag & PARODD) 456 lios->c_cflag |= LINUX_PARODD; 457 if (bios->c_cflag & HUPCL) 458 lios->c_cflag |= LINUX_HUPCL; 459 if (bios->c_cflag & CLOCAL) 460 lios->c_cflag |= LINUX_CLOCAL; 461 if (bios->c_cflag & CRTSCTS) 462 lios->c_cflag |= LINUX_CRTSCTS; 463 464 lios->c_lflag = 0; 465 if (bios->c_lflag & ISIG) 466 lios->c_lflag |= LINUX_ISIG; 467 if (bios->c_lflag & ICANON) 468 lios->c_lflag |= LINUX_ICANON; 469 if (bios->c_lflag & ECHO) 470 lios->c_lflag |= LINUX_ECHO; 471 if (bios->c_lflag & ECHOE) 472 lios->c_lflag |= LINUX_ECHOE; 473 if (bios->c_lflag & ECHOK) 474 lios->c_lflag |= LINUX_ECHOK; 475 if (bios->c_lflag & ECHONL) 476 lios->c_lflag |= LINUX_ECHONL; 477 if (bios->c_lflag & NOFLSH) 478 lios->c_lflag |= LINUX_NOFLSH; 479 if (bios->c_lflag & TOSTOP) 480 lios->c_lflag |= LINUX_TOSTOP; 481 if (bios->c_lflag & ECHOCTL) 482 lios->c_lflag |= LINUX_ECHOCTL; 483 if (bios->c_lflag & ECHOPRT) 484 lios->c_lflag |= LINUX_ECHOPRT; 485 if (bios->c_lflag & ECHOKE) 486 lios->c_lflag |= LINUX_ECHOKE; 487 if (bios->c_lflag & FLUSHO) 488 lios->c_lflag |= LINUX_FLUSHO; 489 if (bios->c_lflag & PENDIN) 490 lios->c_lflag |= LINUX_PENDIN; 491 if (bios->c_lflag & IEXTEN) 492 lios->c_lflag |= LINUX_IEXTEN; 493 494 for (i=0; i<LINUX_NCCS; i++) 495 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 496 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 497 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 498 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 499 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 500 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 501 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 502 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 503 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 504 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 505 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 506 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 507 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 508 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 509 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 510 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 511 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 512 if (linux_preserve_vstatus) 513 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 514 515 for (i=0; i<LINUX_NCCS; i++) { 516 if (i != LINUX_VMIN && i != LINUX_VTIME && 517 lios->c_cc[i] == _POSIX_VDISABLE) 518 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 519 } 520 lios->c_line = 0; 521 } 522 523 static void 524 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 525 { 526 int i; 527 528 bios->c_iflag = 0; 529 if (lios->c_iflag & LINUX_IGNBRK) 530 bios->c_iflag |= IGNBRK; 531 if (lios->c_iflag & LINUX_BRKINT) 532 bios->c_iflag |= BRKINT; 533 if (lios->c_iflag & LINUX_IGNPAR) 534 bios->c_iflag |= IGNPAR; 535 if (lios->c_iflag & LINUX_PARMRK) 536 bios->c_iflag |= PARMRK; 537 if (lios->c_iflag & LINUX_INPCK) 538 bios->c_iflag |= INPCK; 539 if (lios->c_iflag & LINUX_ISTRIP) 540 bios->c_iflag |= ISTRIP; 541 if (lios->c_iflag & LINUX_INLCR) 542 bios->c_iflag |= INLCR; 543 if (lios->c_iflag & LINUX_IGNCR) 544 bios->c_iflag |= IGNCR; 545 if (lios->c_iflag & LINUX_ICRNL) 546 bios->c_iflag |= ICRNL; 547 if (lios->c_iflag & LINUX_IXON) 548 bios->c_iflag |= IXON; 549 if (lios->c_iflag & LINUX_IXANY) 550 bios->c_iflag |= IXANY; 551 if (lios->c_iflag & LINUX_IXOFF) 552 bios->c_iflag |= IXOFF; 553 if (lios->c_iflag & LINUX_IMAXBEL) 554 bios->c_iflag |= IMAXBEL; 555 556 bios->c_oflag = 0; 557 if (lios->c_oflag & LINUX_OPOST) 558 bios->c_oflag |= OPOST; 559 if (lios->c_oflag & LINUX_ONLCR) 560 bios->c_oflag |= ONLCR; 561 if (lios->c_oflag & LINUX_XTABS) 562 bios->c_oflag |= TAB3; 563 564 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 565 if (lios->c_cflag & LINUX_CSTOPB) 566 bios->c_cflag |= CSTOPB; 567 if (lios->c_cflag & LINUX_CREAD) 568 bios->c_cflag |= CREAD; 569 if (lios->c_cflag & LINUX_PARENB) 570 bios->c_cflag |= PARENB; 571 if (lios->c_cflag & LINUX_PARODD) 572 bios->c_cflag |= PARODD; 573 if (lios->c_cflag & LINUX_HUPCL) 574 bios->c_cflag |= HUPCL; 575 if (lios->c_cflag & LINUX_CLOCAL) 576 bios->c_cflag |= CLOCAL; 577 if (lios->c_cflag & LINUX_CRTSCTS) 578 bios->c_cflag |= CRTSCTS; 579 580 bios->c_lflag = 0; 581 if (lios->c_lflag & LINUX_ISIG) 582 bios->c_lflag |= ISIG; 583 if (lios->c_lflag & LINUX_ICANON) 584 bios->c_lflag |= ICANON; 585 if (lios->c_lflag & LINUX_ECHO) 586 bios->c_lflag |= ECHO; 587 if (lios->c_lflag & LINUX_ECHOE) 588 bios->c_lflag |= ECHOE; 589 if (lios->c_lflag & LINUX_ECHOK) 590 bios->c_lflag |= ECHOK; 591 if (lios->c_lflag & LINUX_ECHONL) 592 bios->c_lflag |= ECHONL; 593 if (lios->c_lflag & LINUX_NOFLSH) 594 bios->c_lflag |= NOFLSH; 595 if (lios->c_lflag & LINUX_TOSTOP) 596 bios->c_lflag |= TOSTOP; 597 if (lios->c_lflag & LINUX_ECHOCTL) 598 bios->c_lflag |= ECHOCTL; 599 if (lios->c_lflag & LINUX_ECHOPRT) 600 bios->c_lflag |= ECHOPRT; 601 if (lios->c_lflag & LINUX_ECHOKE) 602 bios->c_lflag |= ECHOKE; 603 if (lios->c_lflag & LINUX_FLUSHO) 604 bios->c_lflag |= FLUSHO; 605 if (lios->c_lflag & LINUX_PENDIN) 606 bios->c_lflag |= PENDIN; 607 if (lios->c_lflag & LINUX_IEXTEN) 608 bios->c_lflag |= IEXTEN; 609 610 for (i=0; i<NCCS; i++) 611 bios->c_cc[i] = _POSIX_VDISABLE; 612 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 613 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 614 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 615 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 616 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 617 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 618 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 619 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 620 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 621 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 622 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 623 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 624 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 625 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 626 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 627 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 628 if (linux_preserve_vstatus) 629 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 630 631 for (i=0; i<NCCS; i++) { 632 if (i != VMIN && i != VTIME && 633 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 634 bios->c_cc[i] = _POSIX_VDISABLE; 635 } 636 637 bios->c_ispeed = bios->c_ospeed = 638 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 639 } 640 641 static void 642 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 643 { 644 struct linux_termios lios; 645 646 memset(lio, 0, sizeof(*lio)); 647 bsd_to_linux_termios(bios, &lios); 648 lio->c_iflag = lios.c_iflag; 649 lio->c_oflag = lios.c_oflag; 650 lio->c_cflag = lios.c_cflag; 651 lio->c_lflag = lios.c_lflag; 652 lio->c_line = lios.c_line; 653 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 654 } 655 656 static void 657 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 658 { 659 struct linux_termios lios; 660 int i; 661 662 lios.c_iflag = lio->c_iflag; 663 lios.c_oflag = lio->c_oflag; 664 lios.c_cflag = lio->c_cflag; 665 lios.c_lflag = lio->c_lflag; 666 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 667 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 668 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 669 linux_to_bsd_termios(&lios, bios); 670 } 671 672 static int 673 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 674 { 675 struct termios bios; 676 struct linux_termios lios; 677 struct linux_termio lio; 678 struct file *fp; 679 int error; 680 681 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 682 if (error != 0) 683 return (error); 684 685 switch (args->cmd & 0xffff) { 686 case LINUX_TCGETS: 687 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 688 td); 689 if (error) 690 break; 691 bsd_to_linux_termios(&bios, &lios); 692 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 693 break; 694 695 case LINUX_TCSETS: 696 error = copyin((void *)args->arg, &lios, sizeof(lios)); 697 if (error) 698 break; 699 linux_to_bsd_termios(&lios, &bios); 700 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 701 td)); 702 break; 703 704 case LINUX_TCSETSW: 705 error = copyin((void *)args->arg, &lios, sizeof(lios)); 706 if (error) 707 break; 708 linux_to_bsd_termios(&lios, &bios); 709 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 710 td)); 711 break; 712 713 case LINUX_TCSETSF: 714 error = copyin((void *)args->arg, &lios, sizeof(lios)); 715 if (error) 716 break; 717 linux_to_bsd_termios(&lios, &bios); 718 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 719 td)); 720 break; 721 722 case LINUX_TCGETA: 723 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 724 td); 725 if (error) 726 break; 727 bsd_to_linux_termio(&bios, &lio); 728 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 729 break; 730 731 case LINUX_TCSETA: 732 error = copyin((void *)args->arg, &lio, sizeof(lio)); 733 if (error) 734 break; 735 linux_to_bsd_termio(&lio, &bios); 736 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 737 td)); 738 break; 739 740 case LINUX_TCSETAW: 741 error = copyin((void *)args->arg, &lio, sizeof(lio)); 742 if (error) 743 break; 744 linux_to_bsd_termio(&lio, &bios); 745 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 746 td)); 747 break; 748 749 case LINUX_TCSETAF: 750 error = copyin((void *)args->arg, &lio, sizeof(lio)); 751 if (error) 752 break; 753 linux_to_bsd_termio(&lio, &bios); 754 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 755 td)); 756 break; 757 758 case LINUX_TCSBRK: 759 if (args->arg != 0) { 760 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred, 761 td)); 762 } else { 763 linux_msg(td, "ioctl TCSBRK arg 0 not implemented"); 764 error = ENOIOCTL; 765 } 766 break; 767 768 case LINUX_TCXONC: { 769 switch (args->arg) { 770 case LINUX_TCOOFF: 771 args->cmd = TIOCSTOP; 772 break; 773 case LINUX_TCOON: 774 args->cmd = TIOCSTART; 775 break; 776 case LINUX_TCIOFF: 777 case LINUX_TCION: { 778 int c; 779 struct write_args wr; 780 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 781 td->td_ucred, td); 782 if (error) 783 break; 784 fdrop(fp, td); 785 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 786 c = bios.c_cc[c]; 787 if (c != _POSIX_VDISABLE) { 788 wr.fd = args->fd; 789 wr.buf = &c; 790 wr.nbyte = sizeof(c); 791 return (sys_write(td, &wr)); 792 } else 793 return (0); 794 } 795 default: 796 fdrop(fp, td); 797 return (EINVAL); 798 } 799 args->arg = 0; 800 error = (sys_ioctl(td, (struct ioctl_args *)args)); 801 break; 802 } 803 804 case LINUX_TCFLSH: { 805 int val; 806 switch (args->arg) { 807 case LINUX_TCIFLUSH: 808 val = FREAD; 809 break; 810 case LINUX_TCOFLUSH: 811 val = FWRITE; 812 break; 813 case LINUX_TCIOFLUSH: 814 val = FREAD | FWRITE; 815 break; 816 default: 817 fdrop(fp, td); 818 return (EINVAL); 819 } 820 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 821 break; 822 } 823 824 case LINUX_TIOCEXCL: 825 args->cmd = TIOCEXCL; 826 error = (sys_ioctl(td, (struct ioctl_args *)args)); 827 break; 828 829 case LINUX_TIOCNXCL: 830 args->cmd = TIOCNXCL; 831 error = (sys_ioctl(td, (struct ioctl_args *)args)); 832 break; 833 834 case LINUX_TIOCSCTTY: 835 args->cmd = TIOCSCTTY; 836 error = (sys_ioctl(td, (struct ioctl_args *)args)); 837 break; 838 839 case LINUX_TIOCGPGRP: 840 args->cmd = TIOCGPGRP; 841 error = (sys_ioctl(td, (struct ioctl_args *)args)); 842 break; 843 844 case LINUX_TIOCSPGRP: 845 args->cmd = TIOCSPGRP; 846 error = (sys_ioctl(td, (struct ioctl_args *)args)); 847 break; 848 849 /* LINUX_TIOCOUTQ */ 850 /* LINUX_TIOCSTI */ 851 852 case LINUX_TIOCGWINSZ: 853 args->cmd = TIOCGWINSZ; 854 error = (sys_ioctl(td, (struct ioctl_args *)args)); 855 break; 856 857 case LINUX_TIOCSWINSZ: 858 args->cmd = TIOCSWINSZ; 859 error = (sys_ioctl(td, (struct ioctl_args *)args)); 860 break; 861 862 case LINUX_TIOCMGET: 863 args->cmd = TIOCMGET; 864 error = (sys_ioctl(td, (struct ioctl_args *)args)); 865 break; 866 867 case LINUX_TIOCMBIS: 868 args->cmd = TIOCMBIS; 869 error = (sys_ioctl(td, (struct ioctl_args *)args)); 870 break; 871 872 case LINUX_TIOCMBIC: 873 args->cmd = TIOCMBIC; 874 error = (sys_ioctl(td, (struct ioctl_args *)args)); 875 break; 876 877 case LINUX_TIOCMSET: 878 args->cmd = TIOCMSET; 879 error = (sys_ioctl(td, (struct ioctl_args *)args)); 880 break; 881 882 /* TIOCGSOFTCAR */ 883 /* TIOCSSOFTCAR */ 884 885 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 886 args->cmd = FIONREAD; 887 error = (sys_ioctl(td, (struct ioctl_args *)args)); 888 break; 889 890 /* LINUX_TIOCLINUX */ 891 892 case LINUX_TIOCCONS: 893 args->cmd = TIOCCONS; 894 error = (sys_ioctl(td, (struct ioctl_args *)args)); 895 break; 896 897 case LINUX_TIOCGSERIAL: { 898 struct linux_serial_struct lss; 899 900 bzero(&lss, sizeof(lss)); 901 lss.type = LINUX_PORT_16550A; 902 lss.flags = 0; 903 lss.close_delay = 0; 904 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 905 break; 906 } 907 908 case LINUX_TIOCSSERIAL: { 909 struct linux_serial_struct lss; 910 error = copyin((void *)args->arg, &lss, sizeof(lss)); 911 if (error) 912 break; 913 /* XXX - It really helps to have an implementation that 914 * does nothing. NOT! 915 */ 916 error = 0; 917 break; 918 } 919 920 case LINUX_TIOCPKT: 921 args->cmd = TIOCPKT; 922 error = (sys_ioctl(td, (struct ioctl_args *)args)); 923 break; 924 925 case LINUX_FIONBIO: 926 args->cmd = FIONBIO; 927 error = (sys_ioctl(td, (struct ioctl_args *)args)); 928 break; 929 930 case LINUX_TIOCNOTTY: 931 args->cmd = TIOCNOTTY; 932 error = (sys_ioctl(td, (struct ioctl_args *)args)); 933 break; 934 935 case LINUX_TIOCSETD: { 936 int line; 937 switch (args->arg) { 938 case LINUX_N_TTY: 939 line = TTYDISC; 940 break; 941 case LINUX_N_SLIP: 942 line = SLIPDISC; 943 break; 944 case LINUX_N_PPP: 945 line = PPPDISC; 946 break; 947 default: 948 fdrop(fp, td); 949 return (EINVAL); 950 } 951 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 952 td)); 953 break; 954 } 955 956 case LINUX_TIOCGETD: { 957 int linux_line; 958 int bsd_line = TTYDISC; 959 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 960 td->td_ucred, td); 961 if (error) 962 break; 963 switch (bsd_line) { 964 case TTYDISC: 965 linux_line = LINUX_N_TTY; 966 break; 967 case SLIPDISC: 968 linux_line = LINUX_N_SLIP; 969 break; 970 case PPPDISC: 971 linux_line = LINUX_N_PPP; 972 break; 973 default: 974 fdrop(fp, td); 975 return (EINVAL); 976 } 977 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 978 break; 979 } 980 981 /* LINUX_TCSBRKP */ 982 /* LINUX_TIOCTTYGSTRUCT */ 983 984 case LINUX_FIONCLEX: 985 args->cmd = FIONCLEX; 986 error = (sys_ioctl(td, (struct ioctl_args *)args)); 987 break; 988 989 case LINUX_FIOCLEX: 990 args->cmd = FIOCLEX; 991 error = (sys_ioctl(td, (struct ioctl_args *)args)); 992 break; 993 994 case LINUX_FIOASYNC: 995 args->cmd = FIOASYNC; 996 error = (sys_ioctl(td, (struct ioctl_args *)args)); 997 break; 998 999 /* LINUX_TIOCSERCONFIG */ 1000 /* LINUX_TIOCSERGWILD */ 1001 /* LINUX_TIOCSERSWILD */ 1002 /* LINUX_TIOCGLCKTRMIOS */ 1003 /* LINUX_TIOCSLCKTRMIOS */ 1004 1005 case LINUX_TIOCSBRK: 1006 args->cmd = TIOCSBRK; 1007 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1008 break; 1009 1010 case LINUX_TIOCCBRK: 1011 args->cmd = TIOCCBRK; 1012 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1013 break; 1014 case LINUX_TIOCGPTN: { 1015 int nb; 1016 1017 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1018 if (!error) 1019 error = copyout(&nb, (void *)args->arg, 1020 sizeof(int)); 1021 break; 1022 } 1023 case LINUX_TIOCSPTLCK: 1024 /* Our unlockpt() does nothing. */ 1025 error = 0; 1026 break; 1027 default: 1028 error = ENOIOCTL; 1029 break; 1030 } 1031 1032 fdrop(fp, td); 1033 return (error); 1034 } 1035 1036 /* 1037 * CDROM related ioctls 1038 */ 1039 1040 struct linux_cdrom_msf 1041 { 1042 u_char cdmsf_min0; 1043 u_char cdmsf_sec0; 1044 u_char cdmsf_frame0; 1045 u_char cdmsf_min1; 1046 u_char cdmsf_sec1; 1047 u_char cdmsf_frame1; 1048 }; 1049 1050 struct linux_cdrom_tochdr 1051 { 1052 u_char cdth_trk0; 1053 u_char cdth_trk1; 1054 }; 1055 1056 union linux_cdrom_addr 1057 { 1058 struct { 1059 u_char minute; 1060 u_char second; 1061 u_char frame; 1062 } msf; 1063 int lba; 1064 }; 1065 1066 struct linux_cdrom_tocentry 1067 { 1068 u_char cdte_track; 1069 u_char cdte_adr:4; 1070 u_char cdte_ctrl:4; 1071 u_char cdte_format; 1072 union linux_cdrom_addr cdte_addr; 1073 u_char cdte_datamode; 1074 }; 1075 1076 struct linux_cdrom_subchnl 1077 { 1078 u_char cdsc_format; 1079 u_char cdsc_audiostatus; 1080 u_char cdsc_adr:4; 1081 u_char cdsc_ctrl:4; 1082 u_char cdsc_trk; 1083 u_char cdsc_ind; 1084 union linux_cdrom_addr cdsc_absaddr; 1085 union linux_cdrom_addr cdsc_reladdr; 1086 }; 1087 1088 struct l_cdrom_read_audio { 1089 union linux_cdrom_addr addr; 1090 u_char addr_format; 1091 l_int nframes; 1092 u_char *buf; 1093 }; 1094 1095 struct l_dvd_layer { 1096 u_char book_version:4; 1097 u_char book_type:4; 1098 u_char min_rate:4; 1099 u_char disc_size:4; 1100 u_char layer_type:4; 1101 u_char track_path:1; 1102 u_char nlayers:2; 1103 u_char track_density:4; 1104 u_char linear_density:4; 1105 u_char bca:1; 1106 u_int32_t start_sector; 1107 u_int32_t end_sector; 1108 u_int32_t end_sector_l0; 1109 }; 1110 1111 struct l_dvd_physical { 1112 u_char type; 1113 u_char layer_num; 1114 struct l_dvd_layer layer[4]; 1115 }; 1116 1117 struct l_dvd_copyright { 1118 u_char type; 1119 u_char layer_num; 1120 u_char cpst; 1121 u_char rmi; 1122 }; 1123 1124 struct l_dvd_disckey { 1125 u_char type; 1126 l_uint agid:2; 1127 u_char value[2048]; 1128 }; 1129 1130 struct l_dvd_bca { 1131 u_char type; 1132 l_int len; 1133 u_char value[188]; 1134 }; 1135 1136 struct l_dvd_manufact { 1137 u_char type; 1138 u_char layer_num; 1139 l_int len; 1140 u_char value[2048]; 1141 }; 1142 1143 typedef union { 1144 u_char type; 1145 struct l_dvd_physical physical; 1146 struct l_dvd_copyright copyright; 1147 struct l_dvd_disckey disckey; 1148 struct l_dvd_bca bca; 1149 struct l_dvd_manufact manufact; 1150 } l_dvd_struct; 1151 1152 typedef u_char l_dvd_key[5]; 1153 typedef u_char l_dvd_challenge[10]; 1154 1155 struct l_dvd_lu_send_agid { 1156 u_char type; 1157 l_uint agid:2; 1158 }; 1159 1160 struct l_dvd_host_send_challenge { 1161 u_char type; 1162 l_uint agid:2; 1163 l_dvd_challenge chal; 1164 }; 1165 1166 struct l_dvd_send_key { 1167 u_char type; 1168 l_uint agid:2; 1169 l_dvd_key key; 1170 }; 1171 1172 struct l_dvd_lu_send_challenge { 1173 u_char type; 1174 l_uint agid:2; 1175 l_dvd_challenge chal; 1176 }; 1177 1178 struct l_dvd_lu_send_title_key { 1179 u_char type; 1180 l_uint agid:2; 1181 l_dvd_key title_key; 1182 l_int lba; 1183 l_uint cpm:1; 1184 l_uint cp_sec:1; 1185 l_uint cgms:2; 1186 }; 1187 1188 struct l_dvd_lu_send_asf { 1189 u_char type; 1190 l_uint agid:2; 1191 l_uint asf:1; 1192 }; 1193 1194 struct l_dvd_host_send_rpcstate { 1195 u_char type; 1196 u_char pdrc; 1197 }; 1198 1199 struct l_dvd_lu_send_rpcstate { 1200 u_char type:2; 1201 u_char vra:3; 1202 u_char ucca:3; 1203 u_char region_mask; 1204 u_char rpc_scheme; 1205 }; 1206 1207 typedef union { 1208 u_char type; 1209 struct l_dvd_lu_send_agid lsa; 1210 struct l_dvd_host_send_challenge hsc; 1211 struct l_dvd_send_key lsk; 1212 struct l_dvd_lu_send_challenge lsc; 1213 struct l_dvd_send_key hsk; 1214 struct l_dvd_lu_send_title_key lstk; 1215 struct l_dvd_lu_send_asf lsasf; 1216 struct l_dvd_host_send_rpcstate hrpcs; 1217 struct l_dvd_lu_send_rpcstate lrpcs; 1218 } l_dvd_authinfo; 1219 1220 static void 1221 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1222 { 1223 if (af == CD_LBA_FORMAT) 1224 lp->lba = bp->lba; 1225 else { 1226 lp->msf.minute = bp->msf.minute; 1227 lp->msf.second = bp->msf.second; 1228 lp->msf.frame = bp->msf.frame; 1229 } 1230 } 1231 1232 static void 1233 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1234 { 1235 if (format == LINUX_CDROM_MSF) { 1236 addr->msf.frame = lba % 75; 1237 lba /= 75; 1238 lba += 2; 1239 addr->msf.second = lba % 60; 1240 addr->msf.minute = lba / 60; 1241 } else 1242 addr->lba = lba; 1243 } 1244 1245 static int 1246 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1247 { 1248 bp->format = lp->type; 1249 switch (bp->format) { 1250 case DVD_STRUCT_PHYSICAL: 1251 if (bp->layer_num >= 4) 1252 return (EINVAL); 1253 bp->layer_num = lp->physical.layer_num; 1254 break; 1255 case DVD_STRUCT_COPYRIGHT: 1256 bp->layer_num = lp->copyright.layer_num; 1257 break; 1258 case DVD_STRUCT_DISCKEY: 1259 bp->agid = lp->disckey.agid; 1260 break; 1261 case DVD_STRUCT_BCA: 1262 case DVD_STRUCT_MANUFACT: 1263 break; 1264 default: 1265 return (EINVAL); 1266 } 1267 return (0); 1268 } 1269 1270 static int 1271 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1272 { 1273 switch (bp->format) { 1274 case DVD_STRUCT_PHYSICAL: { 1275 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1276 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1277 memset(llp, 0, sizeof(*llp)); 1278 llp->book_version = blp->book_version; 1279 llp->book_type = blp->book_type; 1280 llp->min_rate = blp->max_rate; 1281 llp->disc_size = blp->disc_size; 1282 llp->layer_type = blp->layer_type; 1283 llp->track_path = blp->track_path; 1284 llp->nlayers = blp->nlayers; 1285 llp->track_density = blp->track_density; 1286 llp->linear_density = blp->linear_density; 1287 llp->bca = blp->bca; 1288 llp->start_sector = blp->start_sector; 1289 llp->end_sector = blp->end_sector; 1290 llp->end_sector_l0 = blp->end_sector_l0; 1291 break; 1292 } 1293 case DVD_STRUCT_COPYRIGHT: 1294 lp->copyright.cpst = bp->cpst; 1295 lp->copyright.rmi = bp->rmi; 1296 break; 1297 case DVD_STRUCT_DISCKEY: 1298 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1299 break; 1300 case DVD_STRUCT_BCA: 1301 lp->bca.len = bp->length; 1302 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1303 break; 1304 case DVD_STRUCT_MANUFACT: 1305 lp->manufact.len = bp->length; 1306 memcpy(lp->manufact.value, bp->data, 1307 sizeof(lp->manufact.value)); 1308 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1309 break; 1310 default: 1311 return (EINVAL); 1312 } 1313 return (0); 1314 } 1315 1316 static int 1317 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1318 struct dvd_authinfo *bp) 1319 { 1320 switch (lp->type) { 1321 case LINUX_DVD_LU_SEND_AGID: 1322 *bcode = DVDIOCREPORTKEY; 1323 bp->format = DVD_REPORT_AGID; 1324 bp->agid = lp->lsa.agid; 1325 break; 1326 case LINUX_DVD_HOST_SEND_CHALLENGE: 1327 *bcode = DVDIOCSENDKEY; 1328 bp->format = DVD_SEND_CHALLENGE; 1329 bp->agid = lp->hsc.agid; 1330 memcpy(bp->keychal, lp->hsc.chal, 10); 1331 break; 1332 case LINUX_DVD_LU_SEND_KEY1: 1333 *bcode = DVDIOCREPORTKEY; 1334 bp->format = DVD_REPORT_KEY1; 1335 bp->agid = lp->lsk.agid; 1336 break; 1337 case LINUX_DVD_LU_SEND_CHALLENGE: 1338 *bcode = DVDIOCREPORTKEY; 1339 bp->format = DVD_REPORT_CHALLENGE; 1340 bp->agid = lp->lsc.agid; 1341 break; 1342 case LINUX_DVD_HOST_SEND_KEY2: 1343 *bcode = DVDIOCSENDKEY; 1344 bp->format = DVD_SEND_KEY2; 1345 bp->agid = lp->hsk.agid; 1346 memcpy(bp->keychal, lp->hsk.key, 5); 1347 break; 1348 case LINUX_DVD_LU_SEND_TITLE_KEY: 1349 *bcode = DVDIOCREPORTKEY; 1350 bp->format = DVD_REPORT_TITLE_KEY; 1351 bp->agid = lp->lstk.agid; 1352 bp->lba = lp->lstk.lba; 1353 break; 1354 case LINUX_DVD_LU_SEND_ASF: 1355 *bcode = DVDIOCREPORTKEY; 1356 bp->format = DVD_REPORT_ASF; 1357 bp->agid = lp->lsasf.agid; 1358 break; 1359 case LINUX_DVD_INVALIDATE_AGID: 1360 *bcode = DVDIOCREPORTKEY; 1361 bp->format = DVD_INVALIDATE_AGID; 1362 bp->agid = lp->lsa.agid; 1363 break; 1364 case LINUX_DVD_LU_SEND_RPC_STATE: 1365 *bcode = DVDIOCREPORTKEY; 1366 bp->format = DVD_REPORT_RPC; 1367 break; 1368 case LINUX_DVD_HOST_SEND_RPC_STATE: 1369 *bcode = DVDIOCSENDKEY; 1370 bp->format = DVD_SEND_RPC; 1371 bp->region = lp->hrpcs.pdrc; 1372 break; 1373 default: 1374 return (EINVAL); 1375 } 1376 return (0); 1377 } 1378 1379 static int 1380 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1381 { 1382 switch (lp->type) { 1383 case LINUX_DVD_LU_SEND_AGID: 1384 lp->lsa.agid = bp->agid; 1385 break; 1386 case LINUX_DVD_HOST_SEND_CHALLENGE: 1387 lp->type = LINUX_DVD_LU_SEND_KEY1; 1388 break; 1389 case LINUX_DVD_LU_SEND_KEY1: 1390 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1391 break; 1392 case LINUX_DVD_LU_SEND_CHALLENGE: 1393 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1394 break; 1395 case LINUX_DVD_HOST_SEND_KEY2: 1396 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1397 break; 1398 case LINUX_DVD_LU_SEND_TITLE_KEY: 1399 memcpy(lp->lstk.title_key, bp->keychal, 1400 sizeof(lp->lstk.title_key)); 1401 lp->lstk.cpm = bp->cpm; 1402 lp->lstk.cp_sec = bp->cp_sec; 1403 lp->lstk.cgms = bp->cgms; 1404 break; 1405 case LINUX_DVD_LU_SEND_ASF: 1406 lp->lsasf.asf = bp->asf; 1407 break; 1408 case LINUX_DVD_INVALIDATE_AGID: 1409 break; 1410 case LINUX_DVD_LU_SEND_RPC_STATE: 1411 lp->lrpcs.type = bp->reg_type; 1412 lp->lrpcs.vra = bp->vend_rsts; 1413 lp->lrpcs.ucca = bp->user_rsts; 1414 lp->lrpcs.region_mask = bp->region; 1415 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1416 break; 1417 case LINUX_DVD_HOST_SEND_RPC_STATE: 1418 break; 1419 default: 1420 return (EINVAL); 1421 } 1422 return (0); 1423 } 1424 1425 static int 1426 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1427 { 1428 struct file *fp; 1429 int error; 1430 1431 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1432 if (error != 0) 1433 return (error); 1434 switch (args->cmd & 0xffff) { 1435 case LINUX_CDROMPAUSE: 1436 args->cmd = CDIOCPAUSE; 1437 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1438 break; 1439 1440 case LINUX_CDROMRESUME: 1441 args->cmd = CDIOCRESUME; 1442 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1443 break; 1444 1445 case LINUX_CDROMPLAYMSF: 1446 args->cmd = CDIOCPLAYMSF; 1447 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1448 break; 1449 1450 case LINUX_CDROMPLAYTRKIND: 1451 args->cmd = CDIOCPLAYTRACKS; 1452 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1453 break; 1454 1455 case LINUX_CDROMREADTOCHDR: { 1456 struct ioc_toc_header th; 1457 struct linux_cdrom_tochdr lth; 1458 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1459 td->td_ucred, td); 1460 if (!error) { 1461 lth.cdth_trk0 = th.starting_track; 1462 lth.cdth_trk1 = th.ending_track; 1463 copyout(<h, (void *)args->arg, sizeof(lth)); 1464 } 1465 break; 1466 } 1467 1468 case LINUX_CDROMREADTOCENTRY: { 1469 struct linux_cdrom_tocentry lte; 1470 struct ioc_read_toc_single_entry irtse; 1471 1472 error = copyin((void *)args->arg, <e, sizeof(lte)); 1473 if (error) 1474 break; 1475 irtse.address_format = lte.cdte_format; 1476 irtse.track = lte.cdte_track; 1477 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1478 td->td_ucred, td); 1479 if (!error) { 1480 lte.cdte_ctrl = irtse.entry.control; 1481 lte.cdte_adr = irtse.entry.addr_type; 1482 bsd_to_linux_msf_lba(irtse.address_format, 1483 &irtse.entry.addr, <e.cdte_addr); 1484 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1485 } 1486 break; 1487 } 1488 1489 case LINUX_CDROMSTOP: 1490 args->cmd = CDIOCSTOP; 1491 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1492 break; 1493 1494 case LINUX_CDROMSTART: 1495 args->cmd = CDIOCSTART; 1496 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1497 break; 1498 1499 case LINUX_CDROMEJECT: 1500 args->cmd = CDIOCEJECT; 1501 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1502 break; 1503 1504 /* LINUX_CDROMVOLCTRL */ 1505 1506 case LINUX_CDROMSUBCHNL: { 1507 struct linux_cdrom_subchnl sc; 1508 struct ioc_read_subchannel bsdsc; 1509 struct cd_sub_channel_info bsdinfo; 1510 1511 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1512 if (error) 1513 break; 1514 1515 /* 1516 * Invoke the native ioctl and bounce the returned data through 1517 * the userspace buffer. This works because the Linux structure 1518 * is the same size as our structures for the subchannel header 1519 * and position data. 1520 */ 1521 bsdsc.address_format = CD_LBA_FORMAT; 1522 bsdsc.data_format = CD_CURRENT_POSITION; 1523 bsdsc.track = 0; 1524 bsdsc.data_len = sizeof(sc); 1525 bsdsc.data = (void *)args->arg; 1526 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1527 td->td_ucred, td); 1528 if (error) 1529 break; 1530 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1531 if (error) 1532 break; 1533 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1534 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1535 sc.cdsc_ctrl = bsdinfo.what.position.control; 1536 sc.cdsc_trk = bsdinfo.what.position.track_number; 1537 sc.cdsc_ind = bsdinfo.what.position.index_number; 1538 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1539 bsdinfo.what.position.absaddr.lba); 1540 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1541 bsdinfo.what.position.reladdr.lba); 1542 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1543 break; 1544 } 1545 1546 /* LINUX_CDROMREADMODE2 */ 1547 /* LINUX_CDROMREADMODE1 */ 1548 /* LINUX_CDROMREADAUDIO */ 1549 /* LINUX_CDROMEJECT_SW */ 1550 /* LINUX_CDROMMULTISESSION */ 1551 /* LINUX_CDROM_GET_UPC */ 1552 1553 case LINUX_CDROMRESET: 1554 args->cmd = CDIOCRESET; 1555 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1556 break; 1557 1558 /* LINUX_CDROMVOLREAD */ 1559 /* LINUX_CDROMREADRAW */ 1560 /* LINUX_CDROMREADCOOKED */ 1561 /* LINUX_CDROMSEEK */ 1562 /* LINUX_CDROMPLAYBLK */ 1563 /* LINUX_CDROMREADALL */ 1564 /* LINUX_CDROMCLOSETRAY */ 1565 /* LINUX_CDROMLOADFROMSLOT */ 1566 /* LINUX_CDROMGETSPINDOWN */ 1567 /* LINUX_CDROMSETSPINDOWN */ 1568 /* LINUX_CDROM_SET_OPTIONS */ 1569 /* LINUX_CDROM_CLEAR_OPTIONS */ 1570 /* LINUX_CDROM_SELECT_SPEED */ 1571 /* LINUX_CDROM_SELECT_DISC */ 1572 /* LINUX_CDROM_MEDIA_CHANGED */ 1573 /* LINUX_CDROM_DRIVE_STATUS */ 1574 /* LINUX_CDROM_DISC_STATUS */ 1575 /* LINUX_CDROM_CHANGER_NSLOTS */ 1576 /* LINUX_CDROM_LOCKDOOR */ 1577 /* LINUX_CDROM_DEBUG */ 1578 /* LINUX_CDROM_GET_CAPABILITY */ 1579 /* LINUX_CDROMAUDIOBUFSIZ */ 1580 1581 case LINUX_DVD_READ_STRUCT: { 1582 l_dvd_struct *lds; 1583 struct dvd_struct *bds; 1584 1585 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1586 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1587 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1588 if (error) 1589 goto out; 1590 error = linux_to_bsd_dvd_struct(lds, bds); 1591 if (error) 1592 goto out; 1593 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1594 td->td_ucred, td); 1595 if (error) 1596 goto out; 1597 error = bsd_to_linux_dvd_struct(bds, lds); 1598 if (error) 1599 goto out; 1600 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1601 out: 1602 free(bds, M_LINUX); 1603 free(lds, M_LINUX); 1604 break; 1605 } 1606 1607 /* LINUX_DVD_WRITE_STRUCT */ 1608 1609 case LINUX_DVD_AUTH: { 1610 l_dvd_authinfo lda; 1611 struct dvd_authinfo bda; 1612 int bcode; 1613 1614 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1615 if (error) 1616 break; 1617 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1618 if (error) 1619 break; 1620 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1621 td); 1622 if (error) { 1623 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1624 lda.type = LINUX_DVD_AUTH_FAILURE; 1625 copyout(&lda, (void *)args->arg, sizeof(lda)); 1626 } 1627 break; 1628 } 1629 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1630 if (error) 1631 break; 1632 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1633 break; 1634 } 1635 1636 case LINUX_SCSI_GET_BUS_NUMBER: 1637 { 1638 struct sg_scsi_id id; 1639 1640 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1641 td->td_ucred, td); 1642 if (error) 1643 break; 1644 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1645 break; 1646 } 1647 1648 case LINUX_SCSI_GET_IDLUN: 1649 { 1650 struct sg_scsi_id id; 1651 struct scsi_idlun idl; 1652 1653 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1654 td->td_ucred, td); 1655 if (error) 1656 break; 1657 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1658 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1659 idl.host_unique_id = id.host_no; 1660 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1661 break; 1662 } 1663 1664 /* LINUX_CDROM_SEND_PACKET */ 1665 /* LINUX_CDROM_NEXT_WRITABLE */ 1666 /* LINUX_CDROM_LAST_WRITTEN */ 1667 1668 default: 1669 error = ENOIOCTL; 1670 break; 1671 } 1672 1673 fdrop(fp, td); 1674 return (error); 1675 } 1676 1677 static int 1678 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1679 { 1680 1681 return (ENOTTY); 1682 } 1683 1684 /* 1685 * Sound related ioctls 1686 */ 1687 1688 struct linux_old_mixer_info { 1689 char id[16]; 1690 char name[32]; 1691 }; 1692 1693 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1694 1695 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1696 1697 static int 1698 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1699 { 1700 1701 switch (args->cmd & 0xffff) { 1702 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1704 return (sys_ioctl(td, (struct ioctl_args *)args)); 1705 1706 case LINUX_SOUND_MIXER_WRITE_BASS: 1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1708 return (sys_ioctl(td, (struct ioctl_args *)args)); 1709 1710 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1712 return (sys_ioctl(td, (struct ioctl_args *)args)); 1713 1714 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1716 return (sys_ioctl(td, (struct ioctl_args *)args)); 1717 1718 case LINUX_SOUND_MIXER_WRITE_PCM: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1720 return (sys_ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1724 return (sys_ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_LINE: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1728 return (sys_ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_WRITE_MIC: 1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1732 return (sys_ioctl(td, (struct ioctl_args *)args)); 1733 1734 case LINUX_SOUND_MIXER_WRITE_CD: 1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1736 return (sys_ioctl(td, (struct ioctl_args *)args)); 1737 1738 case LINUX_SOUND_MIXER_WRITE_IMIX: 1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1740 return (sys_ioctl(td, (struct ioctl_args *)args)); 1741 1742 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1744 return (sys_ioctl(td, (struct ioctl_args *)args)); 1745 1746 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1748 return (sys_ioctl(td, (struct ioctl_args *)args)); 1749 1750 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1752 return (sys_ioctl(td, (struct ioctl_args *)args)); 1753 1754 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1756 return (sys_ioctl(td, (struct ioctl_args *)args)); 1757 1758 case LINUX_SOUND_MIXER_WRITE_LINE1: 1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1760 return (sys_ioctl(td, (struct ioctl_args *)args)); 1761 1762 case LINUX_SOUND_MIXER_WRITE_LINE2: 1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1764 return (sys_ioctl(td, (struct ioctl_args *)args)); 1765 1766 case LINUX_SOUND_MIXER_WRITE_LINE3: 1767 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1768 return (sys_ioctl(td, (struct ioctl_args *)args)); 1769 1770 case LINUX_SOUND_MIXER_WRITE_MONITOR: 1771 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR); 1772 return (sys_ioctl(td, (struct ioctl_args *)args)); 1773 1774 case LINUX_SOUND_MIXER_INFO: { 1775 /* Key on encoded length */ 1776 switch ((args->cmd >> 16) & 0x1fff) { 1777 case 0x005c: { /* SOUND_MIXER_INFO */ 1778 args->cmd = SOUND_MIXER_INFO; 1779 return (sys_ioctl(td, (struct ioctl_args *)args)); 1780 } 1781 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1782 struct linux_old_mixer_info info; 1783 bzero(&info, sizeof(info)); 1784 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1785 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1786 copyout(&info, (void *)args->arg, sizeof(info)); 1787 return (0); 1788 } 1789 default: 1790 return (ENOIOCTL); 1791 } 1792 break; 1793 } 1794 1795 case LINUX_OSS_GETVERSION: { 1796 int version = linux_get_oss_version(td); 1797 return (copyout(&version, (void *)args->arg, sizeof(int))); 1798 } 1799 1800 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1801 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1802 return (sys_ioctl(td, (struct ioctl_args *)args)); 1803 1804 case LINUX_SOUND_MIXER_READ_CAPS: 1805 args->cmd = SOUND_MIXER_READ_CAPS; 1806 return (sys_ioctl(td, (struct ioctl_args *)args)); 1807 1808 case LINUX_SOUND_MIXER_READ_RECMASK: 1809 args->cmd = SOUND_MIXER_READ_RECMASK; 1810 return (sys_ioctl(td, (struct ioctl_args *)args)); 1811 1812 case LINUX_SOUND_MIXER_READ_DEVMASK: 1813 args->cmd = SOUND_MIXER_READ_DEVMASK; 1814 return (sys_ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1817 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1818 return (sys_ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SNDCTL_DSP_RESET: 1821 args->cmd = SNDCTL_DSP_RESET; 1822 return (sys_ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SNDCTL_DSP_SYNC: 1825 args->cmd = SNDCTL_DSP_SYNC; 1826 return (sys_ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SNDCTL_DSP_SPEED: 1829 args->cmd = SNDCTL_DSP_SPEED; 1830 return (sys_ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SNDCTL_DSP_STEREO: 1833 args->cmd = SNDCTL_DSP_STEREO; 1834 return (sys_ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1837 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1838 return (sys_ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SNDCTL_DSP_SETFMT: 1841 args->cmd = SNDCTL_DSP_SETFMT; 1842 return (sys_ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1845 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1846 return (sys_ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SOUND_PCM_WRITE_FILTER: 1849 args->cmd = SOUND_PCM_WRITE_FILTER; 1850 return (sys_ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SNDCTL_DSP_POST: 1853 args->cmd = SNDCTL_DSP_POST; 1854 return (sys_ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1857 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1858 return (sys_ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1861 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1862 return (sys_ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_DSP_GETFMTS: 1865 args->cmd = SNDCTL_DSP_GETFMTS; 1866 return (sys_ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_DSP_GETOSPACE: 1869 args->cmd = SNDCTL_DSP_GETOSPACE; 1870 return (sys_ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_DSP_GETISPACE: 1873 args->cmd = SNDCTL_DSP_GETISPACE; 1874 return (sys_ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_DSP_NONBLOCK: 1877 args->cmd = SNDCTL_DSP_NONBLOCK; 1878 return (sys_ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_DSP_GETCAPS: 1881 args->cmd = SNDCTL_DSP_GETCAPS; 1882 return (sys_ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1885 args->cmd = SNDCTL_DSP_SETTRIGGER; 1886 return (sys_ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_DSP_GETIPTR: 1889 args->cmd = SNDCTL_DSP_GETIPTR; 1890 return (sys_ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_DSP_GETOPTR: 1893 args->cmd = SNDCTL_DSP_GETOPTR; 1894 return (sys_ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_DSP_SETDUPLEX: 1897 args->cmd = SNDCTL_DSP_SETDUPLEX; 1898 return (sys_ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_DSP_GETODELAY: 1901 args->cmd = SNDCTL_DSP_GETODELAY; 1902 return (sys_ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_SEQ_RESET: 1905 args->cmd = SNDCTL_SEQ_RESET; 1906 return (sys_ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_SEQ_SYNC: 1909 args->cmd = SNDCTL_SEQ_SYNC; 1910 return (sys_ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_SYNTH_INFO: 1913 args->cmd = SNDCTL_SYNTH_INFO; 1914 return (sys_ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SEQ_CTRLRATE: 1917 args->cmd = SNDCTL_SEQ_CTRLRATE; 1918 return (sys_ioctl(td, (struct ioctl_args *)args)); 1919 1920 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1921 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1922 return (sys_ioctl(td, (struct ioctl_args *)args)); 1923 1924 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1925 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1926 return (sys_ioctl(td, (struct ioctl_args *)args)); 1927 1928 case LINUX_SNDCTL_SEQ_PERCMODE: 1929 args->cmd = SNDCTL_SEQ_PERCMODE; 1930 return (sys_ioctl(td, (struct ioctl_args *)args)); 1931 1932 case LINUX_SNDCTL_FM_LOAD_INSTR: 1933 args->cmd = SNDCTL_FM_LOAD_INSTR; 1934 return (sys_ioctl(td, (struct ioctl_args *)args)); 1935 1936 case LINUX_SNDCTL_SEQ_TESTMIDI: 1937 args->cmd = SNDCTL_SEQ_TESTMIDI; 1938 return (sys_ioctl(td, (struct ioctl_args *)args)); 1939 1940 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1941 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1942 return (sys_ioctl(td, (struct ioctl_args *)args)); 1943 1944 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1945 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1946 return (sys_ioctl(td, (struct ioctl_args *)args)); 1947 1948 case LINUX_SNDCTL_SEQ_NRMIDIS: 1949 args->cmd = SNDCTL_SEQ_NRMIDIS; 1950 return (sys_ioctl(td, (struct ioctl_args *)args)); 1951 1952 case LINUX_SNDCTL_MIDI_INFO: 1953 args->cmd = SNDCTL_MIDI_INFO; 1954 return (sys_ioctl(td, (struct ioctl_args *)args)); 1955 1956 case LINUX_SNDCTL_SEQ_TRESHOLD: 1957 args->cmd = SNDCTL_SEQ_TRESHOLD; 1958 return (sys_ioctl(td, (struct ioctl_args *)args)); 1959 1960 case LINUX_SNDCTL_SYNTH_MEMAVL: 1961 args->cmd = SNDCTL_SYNTH_MEMAVL; 1962 return (sys_ioctl(td, (struct ioctl_args *)args)); 1963 } 1964 1965 return (ENOIOCTL); 1966 } 1967 1968 /* 1969 * Console related ioctls 1970 */ 1971 1972 static int 1973 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1974 { 1975 struct file *fp; 1976 int error; 1977 1978 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1979 if (error != 0) 1980 return (error); 1981 switch (args->cmd & 0xffff) { 1982 case LINUX_KIOCSOUND: 1983 args->cmd = KIOCSOUND; 1984 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1985 break; 1986 1987 case LINUX_KDMKTONE: 1988 args->cmd = KDMKTONE; 1989 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1990 break; 1991 1992 case LINUX_KDGETLED: 1993 args->cmd = KDGETLED; 1994 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1995 break; 1996 1997 case LINUX_KDSETLED: 1998 args->cmd = KDSETLED; 1999 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2000 break; 2001 2002 case LINUX_KDSETMODE: 2003 args->cmd = KDSETMODE; 2004 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2005 break; 2006 2007 case LINUX_KDGETMODE: 2008 args->cmd = KDGETMODE; 2009 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2010 break; 2011 2012 case LINUX_KDGKBMODE: 2013 args->cmd = KDGKBMODE; 2014 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2015 break; 2016 2017 case LINUX_KDSKBMODE: { 2018 int kbdmode; 2019 switch (args->arg) { 2020 case LINUX_KBD_RAW: 2021 kbdmode = K_RAW; 2022 break; 2023 case LINUX_KBD_XLATE: 2024 kbdmode = K_XLATE; 2025 break; 2026 case LINUX_KBD_MEDIUMRAW: 2027 kbdmode = K_RAW; 2028 break; 2029 default: 2030 fdrop(fp, td); 2031 return (EINVAL); 2032 } 2033 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2034 td->td_ucred, td)); 2035 break; 2036 } 2037 2038 case LINUX_VT_OPENQRY: 2039 args->cmd = VT_OPENQRY; 2040 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2041 break; 2042 2043 case LINUX_VT_GETMODE: 2044 args->cmd = VT_GETMODE; 2045 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2046 break; 2047 2048 case LINUX_VT_SETMODE: { 2049 struct vt_mode mode; 2050 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2051 break; 2052 if (LINUX_SIG_VALID(mode.relsig)) 2053 mode.relsig = linux_to_bsd_signal(mode.relsig); 2054 else 2055 mode.relsig = 0; 2056 if (LINUX_SIG_VALID(mode.acqsig)) 2057 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2058 else 2059 mode.acqsig = 0; 2060 /* XXX. Linux ignores frsig and set it to 0. */ 2061 mode.frsig = 0; 2062 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2063 break; 2064 args->cmd = VT_SETMODE; 2065 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2066 break; 2067 } 2068 2069 case LINUX_VT_GETSTATE: 2070 args->cmd = VT_GETACTIVE; 2071 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2072 break; 2073 2074 case LINUX_VT_RELDISP: 2075 args->cmd = VT_RELDISP; 2076 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2077 break; 2078 2079 case LINUX_VT_ACTIVATE: 2080 args->cmd = VT_ACTIVATE; 2081 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2082 break; 2083 2084 case LINUX_VT_WAITACTIVE: 2085 args->cmd = VT_WAITACTIVE; 2086 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2087 break; 2088 2089 default: 2090 error = ENOIOCTL; 2091 break; 2092 } 2093 2094 fdrop(fp, td); 2095 return (error); 2096 } 2097 2098 /* 2099 * Implement the SIOCGIFNAME ioctl 2100 */ 2101 2102 static int 2103 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2104 { 2105 struct l_ifreq ifr; 2106 struct ifnet *ifp; 2107 int error, ethno, index; 2108 2109 error = copyin(uifr, &ifr, sizeof(ifr)); 2110 if (error != 0) 2111 return (error); 2112 2113 CURVNET_SET(TD_TO_VNET(curthread)); 2114 IFNET_RLOCK(); 2115 index = 1; /* ifr.ifr_ifindex starts from 1 */ 2116 ethno = 0; 2117 error = ENODEV; 2118 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2119 if (ifr.ifr_ifindex == index) { 2120 if (IFP_IS_ETH(ifp)) 2121 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, 2122 "eth%d", ethno); 2123 else 2124 strlcpy(ifr.ifr_name, ifp->if_xname, 2125 LINUX_IFNAMSIZ); 2126 error = 0; 2127 break; 2128 } 2129 if (IFP_IS_ETH(ifp)) 2130 ethno++; 2131 index++; 2132 } 2133 IFNET_RUNLOCK(); 2134 if (error == 0) 2135 error = copyout(&ifr, uifr, sizeof(ifr)); 2136 CURVNET_RESTORE(); 2137 2138 return (error); 2139 } 2140 2141 /* 2142 * Implement the SIOCGIFCONF ioctl 2143 */ 2144 2145 static int 2146 linux_ifconf(struct thread *td, struct ifconf *uifc) 2147 { 2148 #ifdef COMPAT_LINUX32 2149 struct l_ifconf ifc; 2150 #else 2151 struct ifconf ifc; 2152 #endif 2153 struct l_ifreq ifr; 2154 struct ifnet *ifp; 2155 struct ifaddr *ifa; 2156 struct sbuf *sb; 2157 int error, ethno, full = 0, valid_len, max_len; 2158 2159 error = copyin(uifc, &ifc, sizeof(ifc)); 2160 if (error != 0) 2161 return (error); 2162 2163 max_len = maxphys - 1; 2164 2165 CURVNET_SET(TD_TO_VNET(td)); 2166 /* handle the 'request buffer size' case */ 2167 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2168 ifc.ifc_len = 0; 2169 IFNET_RLOCK(); 2170 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2171 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2172 struct sockaddr *sa = ifa->ifa_addr; 2173 if (sa->sa_family == AF_INET) 2174 ifc.ifc_len += sizeof(ifr); 2175 } 2176 } 2177 IFNET_RUNLOCK(); 2178 error = copyout(&ifc, uifc, sizeof(ifc)); 2179 CURVNET_RESTORE(); 2180 return (error); 2181 } 2182 2183 if (ifc.ifc_len <= 0) { 2184 CURVNET_RESTORE(); 2185 return (EINVAL); 2186 } 2187 2188 again: 2189 /* Keep track of eth interfaces */ 2190 ethno = 0; 2191 if (ifc.ifc_len <= max_len) { 2192 max_len = ifc.ifc_len; 2193 full = 1; 2194 } 2195 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2196 max_len = 0; 2197 valid_len = 0; 2198 2199 /* Return all AF_INET addresses of all interfaces */ 2200 IFNET_RLOCK(); 2201 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2202 int addrs = 0; 2203 2204 bzero(&ifr, sizeof(ifr)); 2205 if (IFP_IS_ETH(ifp)) 2206 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2207 ethno++); 2208 else 2209 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2210 2211 /* Walk the address list */ 2212 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2213 struct sockaddr *sa = ifa->ifa_addr; 2214 2215 if (sa->sa_family == AF_INET) { 2216 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2217 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2218 sizeof(ifr.ifr_addr.sa_data)); 2219 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2220 max_len += sizeof(ifr); 2221 addrs++; 2222 } 2223 2224 if (sbuf_error(sb) == 0) 2225 valid_len = sbuf_len(sb); 2226 } 2227 if (addrs == 0) { 2228 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2229 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2230 max_len += sizeof(ifr); 2231 2232 if (sbuf_error(sb) == 0) 2233 valid_len = sbuf_len(sb); 2234 } 2235 } 2236 IFNET_RUNLOCK(); 2237 2238 if (valid_len != max_len && !full) { 2239 sbuf_delete(sb); 2240 goto again; 2241 } 2242 2243 ifc.ifc_len = valid_len; 2244 sbuf_finish(sb); 2245 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2246 if (error == 0) 2247 error = copyout(&ifc, uifc, sizeof(ifc)); 2248 sbuf_delete(sb); 2249 CURVNET_RESTORE(); 2250 2251 return (error); 2252 } 2253 2254 static int 2255 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2256 { 2257 l_short flags; 2258 2259 linux_ifflags(ifp, &flags); 2260 2261 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2262 } 2263 2264 static int 2265 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2266 { 2267 struct l_sockaddr lsa; 2268 2269 if (linux_ifhwaddr(ifp, &lsa) != 0) 2270 return (ENOENT); 2271 2272 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2273 } 2274 2275 /* 2276 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2277 * the native ioctl(). Thus, we don't really need to check the return 2278 * value of this function. 2279 */ 2280 static int 2281 bsd_to_linux_ifreq(struct ifreq *arg) 2282 { 2283 struct ifreq ifr; 2284 size_t ifr_len = sizeof(struct ifreq); 2285 int error; 2286 2287 if ((error = copyin(arg, &ifr, ifr_len))) 2288 return (error); 2289 2290 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2291 2292 error = copyout(&ifr, arg, ifr_len); 2293 2294 return (error); 2295 } 2296 2297 /* 2298 * Socket related ioctls 2299 */ 2300 2301 static int 2302 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2303 { 2304 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2305 struct ifnet *ifp; 2306 struct file *fp; 2307 int error, type; 2308 2309 ifp = NULL; 2310 error = 0; 2311 2312 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2313 if (error != 0) 2314 return (error); 2315 type = fp->f_type; 2316 fdrop(fp, td); 2317 if (type != DTYPE_SOCKET) { 2318 /* not a socket - probably a tap / vmnet device */ 2319 switch (args->cmd) { 2320 case LINUX_SIOCGIFADDR: 2321 case LINUX_SIOCSIFADDR: 2322 case LINUX_SIOCGIFFLAGS: 2323 return (linux_ioctl_special(td, args)); 2324 default: 2325 return (ENOIOCTL); 2326 } 2327 } 2328 2329 switch (args->cmd & 0xffff) { 2330 case LINUX_FIOGETOWN: 2331 case LINUX_FIOSETOWN: 2332 case LINUX_SIOCADDMULTI: 2333 case LINUX_SIOCATMARK: 2334 case LINUX_SIOCDELMULTI: 2335 case LINUX_SIOCGIFNAME: 2336 case LINUX_SIOCGIFCONF: 2337 case LINUX_SIOCGPGRP: 2338 case LINUX_SIOCSPGRP: 2339 case LINUX_SIOCGIFCOUNT: 2340 /* these ioctls don't take an interface name */ 2341 break; 2342 2343 case LINUX_SIOCGIFFLAGS: 2344 case LINUX_SIOCGIFADDR: 2345 case LINUX_SIOCSIFADDR: 2346 case LINUX_SIOCGIFDSTADDR: 2347 case LINUX_SIOCGIFBRDADDR: 2348 case LINUX_SIOCGIFNETMASK: 2349 case LINUX_SIOCSIFNETMASK: 2350 case LINUX_SIOCGIFMTU: 2351 case LINUX_SIOCSIFMTU: 2352 case LINUX_SIOCSIFNAME: 2353 case LINUX_SIOCGIFHWADDR: 2354 case LINUX_SIOCSIFHWADDR: 2355 case LINUX_SIOCDEVPRIVATE: 2356 case LINUX_SIOCDEVPRIVATE+1: 2357 case LINUX_SIOCGIFINDEX: 2358 /* copy in the interface name and translate it. */ 2359 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2360 if (error != 0) 2361 return (error); 2362 memset(ifname, 0, sizeof(ifname)); 2363 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2364 if (ifp == NULL) 2365 return (EINVAL); 2366 /* 2367 * We need to copy it back out in case we pass the 2368 * request on to our native ioctl(), which will expect 2369 * the ifreq to be in user space and have the correct 2370 * interface name. 2371 */ 2372 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2373 if (error != 0) 2374 return (error); 2375 break; 2376 2377 default: 2378 return (ENOIOCTL); 2379 } 2380 2381 switch (args->cmd & 0xffff) { 2382 case LINUX_FIOSETOWN: 2383 args->cmd = FIOSETOWN; 2384 error = sys_ioctl(td, (struct ioctl_args *)args); 2385 break; 2386 2387 case LINUX_SIOCSPGRP: 2388 args->cmd = SIOCSPGRP; 2389 error = sys_ioctl(td, (struct ioctl_args *)args); 2390 break; 2391 2392 case LINUX_FIOGETOWN: 2393 args->cmd = FIOGETOWN; 2394 error = sys_ioctl(td, (struct ioctl_args *)args); 2395 break; 2396 2397 case LINUX_SIOCGPGRP: 2398 args->cmd = SIOCGPGRP; 2399 error = sys_ioctl(td, (struct ioctl_args *)args); 2400 break; 2401 2402 case LINUX_SIOCATMARK: 2403 args->cmd = SIOCATMARK; 2404 error = sys_ioctl(td, (struct ioctl_args *)args); 2405 break; 2406 2407 /* LINUX_SIOCGSTAMP */ 2408 2409 case LINUX_SIOCGIFNAME: 2410 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2411 break; 2412 2413 case LINUX_SIOCGIFCONF: 2414 error = linux_ifconf(td, (struct ifconf *)args->arg); 2415 break; 2416 2417 case LINUX_SIOCGIFFLAGS: 2418 args->cmd = SIOCGIFFLAGS; 2419 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2420 break; 2421 2422 case LINUX_SIOCGIFADDR: 2423 args->cmd = SIOCGIFADDR; 2424 error = sys_ioctl(td, (struct ioctl_args *)args); 2425 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2426 break; 2427 2428 case LINUX_SIOCSIFADDR: 2429 /* XXX probably doesn't work, included for completeness */ 2430 args->cmd = SIOCSIFADDR; 2431 error = sys_ioctl(td, (struct ioctl_args *)args); 2432 break; 2433 2434 case LINUX_SIOCGIFDSTADDR: 2435 args->cmd = SIOCGIFDSTADDR; 2436 error = sys_ioctl(td, (struct ioctl_args *)args); 2437 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2438 break; 2439 2440 case LINUX_SIOCGIFBRDADDR: 2441 args->cmd = SIOCGIFBRDADDR; 2442 error = sys_ioctl(td, (struct ioctl_args *)args); 2443 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2444 break; 2445 2446 case LINUX_SIOCGIFNETMASK: 2447 args->cmd = SIOCGIFNETMASK; 2448 error = sys_ioctl(td, (struct ioctl_args *)args); 2449 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2450 break; 2451 2452 case LINUX_SIOCSIFNETMASK: 2453 error = ENOIOCTL; 2454 break; 2455 2456 case LINUX_SIOCGIFMTU: 2457 args->cmd = SIOCGIFMTU; 2458 error = sys_ioctl(td, (struct ioctl_args *)args); 2459 break; 2460 2461 case LINUX_SIOCSIFMTU: 2462 args->cmd = SIOCSIFMTU; 2463 error = sys_ioctl(td, (struct ioctl_args *)args); 2464 break; 2465 2466 case LINUX_SIOCSIFNAME: 2467 error = ENOIOCTL; 2468 break; 2469 2470 case LINUX_SIOCGIFHWADDR: 2471 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2472 break; 2473 2474 case LINUX_SIOCSIFHWADDR: 2475 error = ENOIOCTL; 2476 break; 2477 2478 case LINUX_SIOCADDMULTI: 2479 args->cmd = SIOCADDMULTI; 2480 error = sys_ioctl(td, (struct ioctl_args *)args); 2481 break; 2482 2483 case LINUX_SIOCDELMULTI: 2484 args->cmd = SIOCDELMULTI; 2485 error = sys_ioctl(td, (struct ioctl_args *)args); 2486 break; 2487 2488 case LINUX_SIOCGIFINDEX: 2489 args->cmd = SIOCGIFINDEX; 2490 error = sys_ioctl(td, (struct ioctl_args *)args); 2491 break; 2492 2493 case LINUX_SIOCGIFCOUNT: 2494 error = 0; 2495 break; 2496 2497 /* 2498 * XXX This is slightly bogus, but these ioctls are currently 2499 * XXX only used by the aironet (if_an) network driver. 2500 */ 2501 case LINUX_SIOCDEVPRIVATE: 2502 args->cmd = SIOCGPRIVATE_0; 2503 error = sys_ioctl(td, (struct ioctl_args *)args); 2504 break; 2505 2506 case LINUX_SIOCDEVPRIVATE+1: 2507 args->cmd = SIOCGPRIVATE_1; 2508 error = sys_ioctl(td, (struct ioctl_args *)args); 2509 break; 2510 } 2511 2512 if (ifp != NULL) 2513 /* restore the original interface name */ 2514 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2515 2516 return (error); 2517 } 2518 2519 /* 2520 * Device private ioctl handler 2521 */ 2522 static int 2523 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2524 { 2525 struct file *fp; 2526 int error, type; 2527 2528 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2529 if (error != 0) 2530 return (error); 2531 type = fp->f_type; 2532 fdrop(fp, td); 2533 if (type == DTYPE_SOCKET) 2534 return (linux_ioctl_socket(td, args)); 2535 return (ENOIOCTL); 2536 } 2537 2538 /* 2539 * DRM ioctl handler (sys/dev/drm) 2540 */ 2541 static int 2542 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2543 { 2544 args->cmd = SETDIR(args->cmd); 2545 return (sys_ioctl(td, (struct ioctl_args *)args)); 2546 } 2547 2548 #ifdef COMPAT_LINUX32 2549 static int 2550 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2551 { 2552 struct sg_io_hdr io; 2553 struct sg_io_hdr32 io32; 2554 struct file *fp; 2555 int error; 2556 2557 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2558 if (error != 0) { 2559 printf("sg_linux_ioctl: fget returned %d\n", error); 2560 return (error); 2561 } 2562 2563 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2564 goto out; 2565 2566 CP(io32, io, interface_id); 2567 CP(io32, io, dxfer_direction); 2568 CP(io32, io, cmd_len); 2569 CP(io32, io, mx_sb_len); 2570 CP(io32, io, iovec_count); 2571 CP(io32, io, dxfer_len); 2572 PTRIN_CP(io32, io, dxferp); 2573 PTRIN_CP(io32, io, cmdp); 2574 PTRIN_CP(io32, io, sbp); 2575 CP(io32, io, timeout); 2576 CP(io32, io, flags); 2577 CP(io32, io, pack_id); 2578 PTRIN_CP(io32, io, usr_ptr); 2579 CP(io32, io, status); 2580 CP(io32, io, masked_status); 2581 CP(io32, io, msg_status); 2582 CP(io32, io, sb_len_wr); 2583 CP(io32, io, host_status); 2584 CP(io32, io, driver_status); 2585 CP(io32, io, resid); 2586 CP(io32, io, duration); 2587 CP(io32, io, info); 2588 2589 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2590 goto out; 2591 2592 CP(io, io32, interface_id); 2593 CP(io, io32, dxfer_direction); 2594 CP(io, io32, cmd_len); 2595 CP(io, io32, mx_sb_len); 2596 CP(io, io32, iovec_count); 2597 CP(io, io32, dxfer_len); 2598 PTROUT_CP(io, io32, dxferp); 2599 PTROUT_CP(io, io32, cmdp); 2600 PTROUT_CP(io, io32, sbp); 2601 CP(io, io32, timeout); 2602 CP(io, io32, flags); 2603 CP(io, io32, pack_id); 2604 PTROUT_CP(io, io32, usr_ptr); 2605 CP(io, io32, status); 2606 CP(io, io32, masked_status); 2607 CP(io, io32, msg_status); 2608 CP(io, io32, sb_len_wr); 2609 CP(io, io32, host_status); 2610 CP(io, io32, driver_status); 2611 CP(io, io32, resid); 2612 CP(io, io32, duration); 2613 CP(io, io32, info); 2614 2615 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2616 2617 out: 2618 fdrop(fp, td); 2619 return (error); 2620 } 2621 #endif 2622 2623 static int 2624 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2625 { 2626 2627 switch (args->cmd) { 2628 case LINUX_SG_GET_VERSION_NUM: 2629 args->cmd = SG_GET_VERSION_NUM; 2630 break; 2631 case LINUX_SG_SET_TIMEOUT: 2632 args->cmd = SG_SET_TIMEOUT; 2633 break; 2634 case LINUX_SG_GET_TIMEOUT: 2635 args->cmd = SG_GET_TIMEOUT; 2636 break; 2637 case LINUX_SG_IO: 2638 args->cmd = SG_IO; 2639 #ifdef COMPAT_LINUX32 2640 return (linux_ioctl_sg_io(td, args)); 2641 #endif 2642 break; 2643 case LINUX_SG_GET_RESERVED_SIZE: 2644 args->cmd = SG_GET_RESERVED_SIZE; 2645 break; 2646 case LINUX_SG_GET_SCSI_ID: 2647 args->cmd = SG_GET_SCSI_ID; 2648 break; 2649 case LINUX_SG_GET_SG_TABLESIZE: 2650 args->cmd = SG_GET_SG_TABLESIZE; 2651 break; 2652 default: 2653 return (ENODEV); 2654 } 2655 return (sys_ioctl(td, (struct ioctl_args *)args)); 2656 } 2657 2658 /* 2659 * Video4Linux (V4L) ioctl handler 2660 */ 2661 static int 2662 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2663 { 2664 vt->tuner = lvt->tuner; 2665 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2666 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2667 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2668 vt->flags = lvt->flags; 2669 vt->mode = lvt->mode; 2670 vt->signal = lvt->signal; 2671 return (0); 2672 } 2673 2674 static int 2675 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2676 { 2677 lvt->tuner = vt->tuner; 2678 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2679 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2680 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2681 lvt->flags = vt->flags; 2682 lvt->mode = vt->mode; 2683 lvt->signal = vt->signal; 2684 return (0); 2685 } 2686 2687 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2688 static int 2689 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2690 { 2691 vc->x = lvc->x; 2692 vc->y = lvc->y; 2693 vc->width = lvc->width; 2694 vc->height = lvc->height; 2695 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2696 return (0); 2697 } 2698 #endif 2699 2700 static int 2701 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2702 { 2703 vw->x = lvw->x; 2704 vw->y = lvw->y; 2705 vw->width = lvw->width; 2706 vw->height = lvw->height; 2707 vw->chromakey = lvw->chromakey; 2708 vw->flags = lvw->flags; 2709 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2710 vw->clipcount = lvw->clipcount; 2711 return (0); 2712 } 2713 2714 static int 2715 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2716 { 2717 memset(lvw, 0, sizeof(*lvw)); 2718 2719 lvw->x = vw->x; 2720 lvw->y = vw->y; 2721 lvw->width = vw->width; 2722 lvw->height = vw->height; 2723 lvw->chromakey = vw->chromakey; 2724 lvw->flags = vw->flags; 2725 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2726 lvw->clipcount = vw->clipcount; 2727 return (0); 2728 } 2729 2730 static int 2731 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2732 { 2733 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2734 vb->height = lvb->height; 2735 vb->width = lvb->width; 2736 vb->depth = lvb->depth; 2737 vb->bytesperline = lvb->bytesperline; 2738 return (0); 2739 } 2740 2741 static int 2742 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2743 { 2744 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2745 lvb->height = vb->height; 2746 lvb->width = vb->width; 2747 lvb->depth = vb->depth; 2748 lvb->bytesperline = vb->bytesperline; 2749 return (0); 2750 } 2751 2752 static int 2753 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2754 { 2755 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2756 vc->datasize = lvc->datasize; 2757 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2758 return (0); 2759 } 2760 2761 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2762 static int 2763 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2764 { 2765 int error; 2766 struct video_clip vclip; 2767 struct l_video_clip l_vclip; 2768 2769 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2770 if (error) return (error); 2771 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2772 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2773 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2774 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2775 memcpy(*ppvc, &vclip, sizeof(vclip)); 2776 (*ppvc)->next = NULL; 2777 return (0); 2778 } 2779 2780 static int 2781 linux_v4l_cliplist_free(struct video_window *vw) 2782 { 2783 struct video_clip **ppvc; 2784 struct video_clip **ppvc_next; 2785 2786 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2787 ppvc_next = &((*ppvc)->next); 2788 free(*ppvc, M_LINUX); 2789 } 2790 vw->clips = NULL; 2791 2792 return (0); 2793 } 2794 2795 static int 2796 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2797 { 2798 int error; 2799 int clipcount; 2800 void *plvc; 2801 struct video_clip **ppvc; 2802 2803 /* 2804 * XXX: The cliplist is used to pass in a list of clipping 2805 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2806 * clipping bitmap. Some Linux apps, however, appear to 2807 * leave cliplist and clips uninitialized. In any case, 2808 * the cliplist is not used by pwc(4), at the time of 2809 * writing, FreeBSD's only V4L driver. When a driver 2810 * that uses the cliplist is developed, this code may 2811 * need re-examiniation. 2812 */ 2813 error = 0; 2814 clipcount = vw->clipcount; 2815 if (clipcount == VIDEO_CLIP_BITMAP) { 2816 /* 2817 * In this case, the pointer (clips) is overloaded 2818 * to be a "void *" to a bitmap, therefore there 2819 * is no struct video_clip to copy now. 2820 */ 2821 } else if (clipcount > 0 && clipcount <= 16384) { 2822 /* 2823 * Clips points to list of clip rectangles, so 2824 * copy the list. 2825 * 2826 * XXX: Upper limit of 16384 was used here to try to 2827 * avoid cases when clipcount and clips pointer 2828 * are uninitialized and therefore have high random 2829 * values, as is the case in the Linux Skype 2830 * application. The value 16384 was chosen as that 2831 * is what is used in the Linux stradis(4) MPEG 2832 * decoder driver, the only place we found an 2833 * example of cliplist use. 2834 */ 2835 plvc = PTRIN(lvw->clips); 2836 vw->clips = NULL; 2837 ppvc = &(vw->clips); 2838 while (clipcount-- > 0) { 2839 if (plvc == NULL) { 2840 error = EFAULT; 2841 break; 2842 } else { 2843 error = linux_v4l_clip_copy(plvc, ppvc); 2844 if (error) { 2845 linux_v4l_cliplist_free(vw); 2846 break; 2847 } 2848 } 2849 ppvc = &((*ppvc)->next); 2850 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2851 } 2852 } else { 2853 /* 2854 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2855 * Force cliplist to null. 2856 */ 2857 vw->clipcount = 0; 2858 vw->clips = NULL; 2859 } 2860 return (error); 2861 } 2862 #endif 2863 2864 static int 2865 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2866 { 2867 struct file *fp; 2868 int error; 2869 struct video_tuner vtun; 2870 struct video_window vwin; 2871 struct video_buffer vbuf; 2872 struct video_code vcode; 2873 struct l_video_tuner l_vtun; 2874 struct l_video_window l_vwin; 2875 struct l_video_buffer l_vbuf; 2876 struct l_video_code l_vcode; 2877 2878 switch (args->cmd & 0xffff) { 2879 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2880 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2881 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2882 2883 case LINUX_VIDIOCGTUNER: 2884 error = fget(td, args->fd, 2885 &cap_ioctl_rights, &fp); 2886 if (error != 0) 2887 return (error); 2888 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2889 if (error) { 2890 fdrop(fp, td); 2891 return (error); 2892 } 2893 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2894 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2895 if (!error) { 2896 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2897 error = copyout(&l_vtun, (void *) args->arg, 2898 sizeof(l_vtun)); 2899 } 2900 fdrop(fp, td); 2901 return (error); 2902 2903 case LINUX_VIDIOCSTUNER: 2904 error = fget(td, args->fd, 2905 &cap_ioctl_rights, &fp); 2906 if (error != 0) 2907 return (error); 2908 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2909 if (error) { 2910 fdrop(fp, td); 2911 return (error); 2912 } 2913 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2914 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2915 fdrop(fp, td); 2916 return (error); 2917 2918 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2919 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2920 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2921 2922 case LINUX_VIDIOCGWIN: 2923 error = fget(td, args->fd, 2924 &cap_ioctl_rights, &fp); 2925 if (error != 0) 2926 return (error); 2927 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2928 if (!error) { 2929 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2930 error = copyout(&l_vwin, (void *) args->arg, 2931 sizeof(l_vwin)); 2932 } 2933 fdrop(fp, td); 2934 return (error); 2935 2936 case LINUX_VIDIOCSWIN: 2937 error = fget(td, args->fd, 2938 &cap_ioctl_rights, &fp); 2939 if (error != 0) 2940 return (error); 2941 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2942 if (error) { 2943 fdrop(fp, td); 2944 return (error); 2945 } 2946 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2947 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2948 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2949 if (error) { 2950 fdrop(fp, td); 2951 return (error); 2952 } 2953 #endif 2954 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2955 fdrop(fp, td); 2956 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2957 linux_v4l_cliplist_free(&vwin); 2958 #endif 2959 return (error); 2960 2961 case LINUX_VIDIOCGFBUF: 2962 error = fget(td, args->fd, 2963 &cap_ioctl_rights, &fp); 2964 if (error != 0) 2965 return (error); 2966 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2967 if (!error) { 2968 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2969 error = copyout(&l_vbuf, (void *) args->arg, 2970 sizeof(l_vbuf)); 2971 } 2972 fdrop(fp, td); 2973 return (error); 2974 2975 case LINUX_VIDIOCSFBUF: 2976 error = fget(td, args->fd, 2977 &cap_ioctl_rights, &fp); 2978 if (error != 0) 2979 return (error); 2980 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2981 if (error) { 2982 fdrop(fp, td); 2983 return (error); 2984 } 2985 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2986 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2987 fdrop(fp, td); 2988 return (error); 2989 2990 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2991 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2992 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2993 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2994 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2995 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2996 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2997 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2998 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2999 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3000 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3001 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3002 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3003 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3004 3005 case LINUX_VIDIOCSMICROCODE: 3006 error = fget(td, args->fd, 3007 &cap_ioctl_rights, &fp); 3008 if (error != 0) 3009 return (error); 3010 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3011 if (error) { 3012 fdrop(fp, td); 3013 return (error); 3014 } 3015 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3016 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3017 fdrop(fp, td); 3018 return (error); 3019 3020 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3021 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3022 default: return (ENOIOCTL); 3023 } 3024 3025 error = sys_ioctl(td, (struct ioctl_args *)args); 3026 return (error); 3027 } 3028 3029 /* 3030 * Special ioctl handler 3031 */ 3032 static int 3033 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3034 { 3035 int error; 3036 3037 switch (args->cmd) { 3038 case LINUX_SIOCGIFADDR: 3039 args->cmd = SIOCGIFADDR; 3040 error = sys_ioctl(td, (struct ioctl_args *)args); 3041 break; 3042 case LINUX_SIOCSIFADDR: 3043 args->cmd = SIOCSIFADDR; 3044 error = sys_ioctl(td, (struct ioctl_args *)args); 3045 break; 3046 case LINUX_SIOCGIFFLAGS: 3047 args->cmd = SIOCGIFFLAGS; 3048 error = sys_ioctl(td, (struct ioctl_args *)args); 3049 break; 3050 default: 3051 error = ENOIOCTL; 3052 } 3053 3054 return (error); 3055 } 3056 3057 static int 3058 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3059 { 3060 vstd->index = lvstd->index; 3061 vstd->id = lvstd->id; 3062 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3063 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3064 vstd->frameperiod = lvstd->frameperiod; 3065 vstd->framelines = lvstd->framelines; 3066 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3067 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3068 return (0); 3069 } 3070 3071 static int 3072 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3073 { 3074 lvstd->index = vstd->index; 3075 lvstd->id = vstd->id; 3076 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3077 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3078 lvstd->frameperiod = vstd->frameperiod; 3079 lvstd->framelines = vstd->framelines; 3080 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3081 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3082 return (0); 3083 } 3084 3085 static int 3086 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3087 { 3088 vb->index = lvb->index; 3089 vb->type = lvb->type; 3090 vb->bytesused = lvb->bytesused; 3091 vb->flags = lvb->flags; 3092 vb->field = lvb->field; 3093 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3094 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3095 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3096 vb->sequence = lvb->sequence; 3097 vb->memory = lvb->memory; 3098 if (lvb->memory == V4L2_MEMORY_USERPTR) 3099 /* possible pointer size conversion */ 3100 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3101 else 3102 vb->m.offset = lvb->m.offset; 3103 vb->length = lvb->length; 3104 vb->input = lvb->input; 3105 vb->reserved = lvb->reserved; 3106 return (0); 3107 } 3108 3109 static int 3110 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3111 { 3112 lvb->index = vb->index; 3113 lvb->type = vb->type; 3114 lvb->bytesused = vb->bytesused; 3115 lvb->flags = vb->flags; 3116 lvb->field = vb->field; 3117 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3118 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3119 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3120 lvb->sequence = vb->sequence; 3121 lvb->memory = vb->memory; 3122 if (vb->memory == V4L2_MEMORY_USERPTR) 3123 /* possible pointer size conversion */ 3124 lvb->m.userptr = PTROUT(vb->m.userptr); 3125 else 3126 lvb->m.offset = vb->m.offset; 3127 lvb->length = vb->length; 3128 lvb->input = vb->input; 3129 lvb->reserved = vb->reserved; 3130 return (0); 3131 } 3132 3133 static int 3134 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3135 { 3136 vf->type = lvf->type; 3137 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3138 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3139 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3140 #endif 3141 ) 3142 /* 3143 * XXX TODO - needs 32 -> 64 bit conversion: 3144 * (unused by webcams?) 3145 */ 3146 return (EINVAL); 3147 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3148 return (0); 3149 } 3150 3151 static int 3152 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3153 { 3154 lvf->type = vf->type; 3155 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3156 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3157 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3158 #endif 3159 ) 3160 /* 3161 * XXX TODO - needs 32 -> 64 bit conversion: 3162 * (unused by webcams?) 3163 */ 3164 return (EINVAL); 3165 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3166 return (0); 3167 } 3168 static int 3169 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3170 { 3171 struct file *fp; 3172 int error; 3173 struct v4l2_format vformat; 3174 struct l_v4l2_format l_vformat; 3175 struct v4l2_standard vstd; 3176 struct l_v4l2_standard l_vstd; 3177 struct l_v4l2_buffer l_vbuf; 3178 struct v4l2_buffer vbuf; 3179 struct v4l2_input vinp; 3180 3181 switch (args->cmd & 0xffff) { 3182 case LINUX_VIDIOC_RESERVED: 3183 case LINUX_VIDIOC_LOG_STATUS: 3184 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3185 return (ENOIOCTL); 3186 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3187 break; 3188 3189 case LINUX_VIDIOC_OVERLAY: 3190 case LINUX_VIDIOC_STREAMON: 3191 case LINUX_VIDIOC_STREAMOFF: 3192 case LINUX_VIDIOC_S_STD: 3193 case LINUX_VIDIOC_S_TUNER: 3194 case LINUX_VIDIOC_S_AUDIO: 3195 case LINUX_VIDIOC_S_AUDOUT: 3196 case LINUX_VIDIOC_S_MODULATOR: 3197 case LINUX_VIDIOC_S_FREQUENCY: 3198 case LINUX_VIDIOC_S_CROP: 3199 case LINUX_VIDIOC_S_JPEGCOMP: 3200 case LINUX_VIDIOC_S_PRIORITY: 3201 case LINUX_VIDIOC_DBG_S_REGISTER: 3202 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3203 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3204 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3205 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3206 break; 3207 3208 case LINUX_VIDIOC_QUERYCAP: 3209 case LINUX_VIDIOC_G_STD: 3210 case LINUX_VIDIOC_G_AUDIO: 3211 case LINUX_VIDIOC_G_INPUT: 3212 case LINUX_VIDIOC_G_OUTPUT: 3213 case LINUX_VIDIOC_G_AUDOUT: 3214 case LINUX_VIDIOC_G_JPEGCOMP: 3215 case LINUX_VIDIOC_QUERYSTD: 3216 case LINUX_VIDIOC_G_PRIORITY: 3217 case LINUX_VIDIOC_QUERY_DV_PRESET: 3218 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3219 break; 3220 3221 case LINUX_VIDIOC_ENUM_FMT: 3222 case LINUX_VIDIOC_REQBUFS: 3223 case LINUX_VIDIOC_G_PARM: 3224 case LINUX_VIDIOC_S_PARM: 3225 case LINUX_VIDIOC_G_CTRL: 3226 case LINUX_VIDIOC_S_CTRL: 3227 case LINUX_VIDIOC_G_TUNER: 3228 case LINUX_VIDIOC_QUERYCTRL: 3229 case LINUX_VIDIOC_QUERYMENU: 3230 case LINUX_VIDIOC_S_INPUT: 3231 case LINUX_VIDIOC_S_OUTPUT: 3232 case LINUX_VIDIOC_ENUMOUTPUT: 3233 case LINUX_VIDIOC_G_MODULATOR: 3234 case LINUX_VIDIOC_G_FREQUENCY: 3235 case LINUX_VIDIOC_CROPCAP: 3236 case LINUX_VIDIOC_G_CROP: 3237 case LINUX_VIDIOC_ENUMAUDIO: 3238 case LINUX_VIDIOC_ENUMAUDOUT: 3239 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3240 #ifdef VIDIOC_ENUM_FRAMESIZES 3241 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3242 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3243 case LINUX_VIDIOC_ENCODER_CMD: 3244 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3245 #endif 3246 case LINUX_VIDIOC_DBG_G_REGISTER: 3247 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3248 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3249 case LINUX_VIDIOC_S_DV_PRESET: 3250 case LINUX_VIDIOC_G_DV_PRESET: 3251 case LINUX_VIDIOC_S_DV_TIMINGS: 3252 case LINUX_VIDIOC_G_DV_TIMINGS: 3253 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3254 break; 3255 3256 case LINUX_VIDIOC_G_FMT: 3257 case LINUX_VIDIOC_S_FMT: 3258 case LINUX_VIDIOC_TRY_FMT: 3259 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3260 if (error) 3261 return (error); 3262 error = fget(td, args->fd, 3263 &cap_ioctl_rights, &fp); 3264 if (error) 3265 return (error); 3266 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3267 error = EINVAL; 3268 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3269 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3270 td->td_ucred, td); 3271 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3272 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3273 td->td_ucred, td); 3274 else 3275 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3276 td->td_ucred, td); 3277 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3278 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3279 fdrop(fp, td); 3280 return (error); 3281 3282 case LINUX_VIDIOC_ENUMSTD: 3283 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3284 if (error) 3285 return (error); 3286 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3287 error = fget(td, args->fd, 3288 &cap_ioctl_rights, &fp); 3289 if (error) 3290 return (error); 3291 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3292 td->td_ucred, td); 3293 if (error) { 3294 fdrop(fp, td); 3295 return (error); 3296 } 3297 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3298 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3299 fdrop(fp, td); 3300 return (error); 3301 3302 case LINUX_VIDIOC_ENUMINPUT: 3303 /* 3304 * The Linux struct l_v4l2_input differs only in size, 3305 * it has no padding at the end. 3306 */ 3307 error = copyin((void *)args->arg, &vinp, 3308 sizeof(struct l_v4l2_input)); 3309 if (error != 0) 3310 return (error); 3311 error = fget(td, args->fd, 3312 &cap_ioctl_rights, &fp); 3313 if (error != 0) 3314 return (error); 3315 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3316 td->td_ucred, td); 3317 if (error) { 3318 fdrop(fp, td); 3319 return (error); 3320 } 3321 error = copyout(&vinp, (void *)args->arg, 3322 sizeof(struct l_v4l2_input)); 3323 fdrop(fp, td); 3324 return (error); 3325 3326 case LINUX_VIDIOC_QUERYBUF: 3327 case LINUX_VIDIOC_QBUF: 3328 case LINUX_VIDIOC_DQBUF: 3329 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3330 if (error) 3331 return (error); 3332 error = fget(td, args->fd, 3333 &cap_ioctl_rights, &fp); 3334 if (error) 3335 return (error); 3336 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3337 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3338 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3339 td->td_ucred, td); 3340 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3341 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3342 td->td_ucred, td); 3343 else 3344 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3345 td->td_ucred, td); 3346 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3347 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3348 fdrop(fp, td); 3349 return (error); 3350 3351 /* 3352 * XXX TODO - these need 32 -> 64 bit conversion: 3353 * (are any of them needed for webcams?) 3354 */ 3355 case LINUX_VIDIOC_G_FBUF: 3356 case LINUX_VIDIOC_S_FBUF: 3357 3358 case LINUX_VIDIOC_G_EXT_CTRLS: 3359 case LINUX_VIDIOC_S_EXT_CTRLS: 3360 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3361 3362 case LINUX_VIDIOC_DQEVENT: 3363 3364 default: return (ENOIOCTL); 3365 } 3366 3367 error = sys_ioctl(td, (struct ioctl_args *)args); 3368 return (error); 3369 } 3370 3371 /* 3372 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3373 * instead of USB* ones. This lets us to provide correct values for cmd. 3374 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3375 */ 3376 static int 3377 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3378 { 3379 int error; 3380 3381 error = 0; 3382 switch (args->cmd) { 3383 case FBSD_LUSB_DEVICEENUMERATE: 3384 args->cmd = USB_DEVICEENUMERATE; 3385 break; 3386 case FBSD_LUSB_DEV_QUIRK_ADD: 3387 args->cmd = USB_DEV_QUIRK_ADD; 3388 break; 3389 case FBSD_LUSB_DEV_QUIRK_GET: 3390 args->cmd = USB_DEV_QUIRK_GET; 3391 break; 3392 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3393 args->cmd = USB_DEV_QUIRK_REMOVE; 3394 break; 3395 case FBSD_LUSB_DO_REQUEST: 3396 args->cmd = USB_DO_REQUEST; 3397 break; 3398 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3399 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3400 break; 3401 case FBSD_LUSB_FS_CLOSE: 3402 args->cmd = USB_FS_CLOSE; 3403 break; 3404 case FBSD_LUSB_FS_COMPLETE: 3405 args->cmd = USB_FS_COMPLETE; 3406 break; 3407 case FBSD_LUSB_FS_INIT: 3408 args->cmd = USB_FS_INIT; 3409 break; 3410 case FBSD_LUSB_FS_OPEN: 3411 args->cmd = USB_FS_OPEN; 3412 break; 3413 case FBSD_LUSB_FS_START: 3414 args->cmd = USB_FS_START; 3415 break; 3416 case FBSD_LUSB_FS_STOP: 3417 args->cmd = USB_FS_STOP; 3418 break; 3419 case FBSD_LUSB_FS_UNINIT: 3420 args->cmd = USB_FS_UNINIT; 3421 break; 3422 case FBSD_LUSB_GET_CONFIG: 3423 args->cmd = USB_GET_CONFIG; 3424 break; 3425 case FBSD_LUSB_GET_DEVICEINFO: 3426 args->cmd = USB_GET_DEVICEINFO; 3427 break; 3428 case FBSD_LUSB_GET_DEVICE_DESC: 3429 args->cmd = USB_GET_DEVICE_DESC; 3430 break; 3431 case FBSD_LUSB_GET_FULL_DESC: 3432 args->cmd = USB_GET_FULL_DESC; 3433 break; 3434 case FBSD_LUSB_GET_IFACE_DRIVER: 3435 args->cmd = USB_GET_IFACE_DRIVER; 3436 break; 3437 case FBSD_LUSB_GET_PLUGTIME: 3438 args->cmd = USB_GET_PLUGTIME; 3439 break; 3440 case FBSD_LUSB_GET_POWER_MODE: 3441 args->cmd = USB_GET_POWER_MODE; 3442 break; 3443 case FBSD_LUSB_GET_REPORT_DESC: 3444 args->cmd = USB_GET_REPORT_DESC; 3445 break; 3446 case FBSD_LUSB_GET_REPORT_ID: 3447 args->cmd = USB_GET_REPORT_ID; 3448 break; 3449 case FBSD_LUSB_GET_TEMPLATE: 3450 args->cmd = USB_GET_TEMPLATE; 3451 break; 3452 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3453 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3454 break; 3455 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3456 args->cmd = USB_IFACE_DRIVER_DETACH; 3457 break; 3458 case FBSD_LUSB_QUIRK_NAME_GET: 3459 args->cmd = USB_QUIRK_NAME_GET; 3460 break; 3461 case FBSD_LUSB_READ_DIR: 3462 args->cmd = USB_READ_DIR; 3463 break; 3464 case FBSD_LUSB_SET_ALTINTERFACE: 3465 args->cmd = USB_SET_ALTINTERFACE; 3466 break; 3467 case FBSD_LUSB_SET_CONFIG: 3468 args->cmd = USB_SET_CONFIG; 3469 break; 3470 case FBSD_LUSB_SET_IMMED: 3471 args->cmd = USB_SET_IMMED; 3472 break; 3473 case FBSD_LUSB_SET_POWER_MODE: 3474 args->cmd = USB_SET_POWER_MODE; 3475 break; 3476 case FBSD_LUSB_SET_TEMPLATE: 3477 args->cmd = USB_SET_TEMPLATE; 3478 break; 3479 case FBSD_LUSB_FS_OPEN_STREAM: 3480 args->cmd = USB_FS_OPEN_STREAM; 3481 break; 3482 case FBSD_LUSB_GET_DEV_PORT_PATH: 3483 args->cmd = USB_GET_DEV_PORT_PATH; 3484 break; 3485 case FBSD_LUSB_GET_POWER_USAGE: 3486 args->cmd = USB_GET_POWER_USAGE; 3487 break; 3488 case FBSD_LUSB_DEVICESTATS: 3489 args->cmd = USB_DEVICESTATS; 3490 break; 3491 default: 3492 error = ENOIOCTL; 3493 } 3494 if (error != ENOIOCTL) 3495 error = sys_ioctl(td, (struct ioctl_args *)args); 3496 return (error); 3497 } 3498 3499 /* 3500 * Some evdev ioctls must be translated. 3501 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3502 * (must be IOC_INOUT on FreeBSD). 3503 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3504 * an int argument. You don't pass an int pointer to the ioctl(), however, 3505 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3506 * this to work. 3507 */ 3508 static int 3509 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3510 { 3511 struct file *fp; 3512 clockid_t clock; 3513 int error; 3514 3515 args->cmd = SETDIR(args->cmd); 3516 3517 switch (args->cmd) { 3518 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3519 args->cmd = EVIOCGRAB; 3520 break; 3521 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3522 args->cmd = EVIOCREVOKE; 3523 break; 3524 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3525 args->cmd = EVIOCRMFF; 3526 break; 3527 case EVIOCSCLOCKID: { 3528 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3529 if (error != 0) 3530 return (error); 3531 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3532 return (EINVAL); 3533 error = linux_to_native_clockid(&clock, clock); 3534 if (error != 0) 3535 return (error); 3536 3537 error = fget(td, args->fd, 3538 &cap_ioctl_rights, &fp); 3539 if (error != 0) 3540 return (error); 3541 3542 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3543 fdrop(fp, td); 3544 return (error); 3545 } 3546 default: 3547 break; 3548 } 3549 3550 if (IOCBASECMD(args->cmd) == 3551 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3552 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3553 3554 return (sys_ioctl(td, (struct ioctl_args *)args)); 3555 } 3556 3557 static int 3558 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3559 { 3560 int error; 3561 3562 error = 0; 3563 switch (args->cmd & 0xffff) { 3564 case LINUX_KCOV_INIT_TRACE: 3565 args->cmd = KIOSETBUFSIZE; 3566 break; 3567 case LINUX_KCOV_ENABLE: 3568 args->cmd = KIOENABLE; 3569 if (args->arg == 0) 3570 args->arg = KCOV_MODE_TRACE_PC; 3571 else if (args->arg == 1) 3572 args->arg = KCOV_MODE_TRACE_CMP; 3573 else 3574 error = EINVAL; 3575 break; 3576 case LINUX_KCOV_DISABLE: 3577 args->cmd = KIODISABLE; 3578 break; 3579 default: 3580 error = ENOTTY; 3581 break; 3582 } 3583 3584 if (error == 0) 3585 error = sys_ioctl(td, (struct ioctl_args *)args); 3586 return (error); 3587 } 3588 3589 /* 3590 * main ioctl syscall function 3591 */ 3592 3593 static int 3594 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3595 { 3596 struct file *fp; 3597 struct linux_ioctl_handler_element *he; 3598 int error, cmd; 3599 3600 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3601 if (error != 0) 3602 return (error); 3603 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3604 fdrop(fp, td); 3605 return (EBADF); 3606 } 3607 3608 /* Iterate over the ioctl handlers */ 3609 cmd = args->cmd & 0xffff; 3610 sx_slock(&linux_ioctl_sx); 3611 mtx_lock(&Giant); 3612 #ifdef COMPAT_LINUX32 3613 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3614 if (cmd >= he->low && cmd <= he->high) { 3615 error = (*he->func)(td, args); 3616 if (error != ENOIOCTL) { 3617 mtx_unlock(&Giant); 3618 sx_sunlock(&linux_ioctl_sx); 3619 fdrop(fp, td); 3620 return (error); 3621 } 3622 } 3623 } 3624 #endif 3625 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3626 if (cmd >= he->low && cmd <= he->high) { 3627 error = (*he->func)(td, args); 3628 if (error != ENOIOCTL) { 3629 mtx_unlock(&Giant); 3630 sx_sunlock(&linux_ioctl_sx); 3631 fdrop(fp, td); 3632 return (error); 3633 } 3634 } 3635 } 3636 mtx_unlock(&Giant); 3637 sx_sunlock(&linux_ioctl_sx); 3638 fdrop(fp, td); 3639 3640 switch (args->cmd & 0xffff) { 3641 case LINUX_BTRFS_IOC_CLONE: 3642 case LINUX_F2FS_IOC_GET_FEATURES: 3643 case LINUX_FS_IOC_FIEMAP: 3644 return (ENOTSUP); 3645 3646 default: 3647 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3648 __func__, args->fd, args->cmd, 3649 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3650 break; 3651 } 3652 3653 return (EINVAL); 3654 } 3655 3656 int 3657 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3658 { 3659 struct linux_ioctl_handler *handler; 3660 int error, cmd, i; 3661 3662 cmd = args->cmd & 0xffff; 3663 3664 /* 3665 * array of ioctls known at compilation time. Elides a lot of work on 3666 * each call compared to the list variant. Everything frequently used 3667 * should be moved here. 3668 * 3669 * Arguably the magic creating the list should create an array instead. 3670 * 3671 * For now just a linear scan. 3672 */ 3673 for (i = 0; i < nitems(linux_ioctls); i++) { 3674 handler = &linux_ioctls[i]; 3675 if (cmd >= handler->low && cmd <= handler->high) { 3676 error = (*handler->func)(td, args); 3677 if (error != ENOIOCTL) { 3678 return (error); 3679 } 3680 } 3681 } 3682 return (linux_ioctl_fallback(td, args)); 3683 } 3684 3685 int 3686 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3687 { 3688 struct linux_ioctl_handler_element *he, *cur; 3689 3690 if (h == NULL || h->func == NULL) 3691 return (EINVAL); 3692 3693 /* 3694 * Reuse the element if the handler is already on the list, otherwise 3695 * create a new element. 3696 */ 3697 sx_xlock(&linux_ioctl_sx); 3698 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3699 if (he->func == h->func) 3700 break; 3701 } 3702 if (he == NULL) { 3703 he = malloc(sizeof(*he), 3704 M_LINUX, M_WAITOK); 3705 he->func = h->func; 3706 } else 3707 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3708 3709 /* Initialize range information. */ 3710 he->low = h->low; 3711 he->high = h->high; 3712 he->span = h->high - h->low + 1; 3713 3714 /* Add the element to the list, sorted on span. */ 3715 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3716 if (cur->span > he->span) { 3717 TAILQ_INSERT_BEFORE(cur, he, list); 3718 sx_xunlock(&linux_ioctl_sx); 3719 return (0); 3720 } 3721 } 3722 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3723 sx_xunlock(&linux_ioctl_sx); 3724 3725 return (0); 3726 } 3727 3728 int 3729 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3730 { 3731 struct linux_ioctl_handler_element *he; 3732 3733 if (h == NULL || h->func == NULL) 3734 return (EINVAL); 3735 3736 sx_xlock(&linux_ioctl_sx); 3737 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3738 if (he->func == h->func) { 3739 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3740 sx_xunlock(&linux_ioctl_sx); 3741 free(he, M_LINUX); 3742 return (0); 3743 } 3744 } 3745 sx_xunlock(&linux_ioctl_sx); 3746 3747 return (EINVAL); 3748 } 3749 3750 #ifdef COMPAT_LINUX32 3751 int 3752 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3753 { 3754 struct linux_ioctl_handler_element *he, *cur; 3755 3756 if (h == NULL || h->func == NULL) 3757 return (EINVAL); 3758 3759 /* 3760 * Reuse the element if the handler is already on the list, otherwise 3761 * create a new element. 3762 */ 3763 sx_xlock(&linux_ioctl_sx); 3764 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3765 if (he->func == h->func) 3766 break; 3767 } 3768 if (he == NULL) { 3769 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3770 he->func = h->func; 3771 } else 3772 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3773 3774 /* Initialize range information. */ 3775 he->low = h->low; 3776 he->high = h->high; 3777 he->span = h->high - h->low + 1; 3778 3779 /* Add the element to the list, sorted on span. */ 3780 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3781 if (cur->span > he->span) { 3782 TAILQ_INSERT_BEFORE(cur, he, list); 3783 sx_xunlock(&linux_ioctl_sx); 3784 return (0); 3785 } 3786 } 3787 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3788 sx_xunlock(&linux_ioctl_sx); 3789 3790 return (0); 3791 } 3792 3793 int 3794 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3795 { 3796 struct linux_ioctl_handler_element *he; 3797 3798 if (h == NULL || h->func == NULL) 3799 return (EINVAL); 3800 3801 sx_xlock(&linux_ioctl_sx); 3802 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3803 if (he->func == h->func) { 3804 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3805 sx_xunlock(&linux_ioctl_sx); 3806 free(he, M_LINUX); 3807 return (0); 3808 } 3809 } 3810 sx_xunlock(&linux_ioctl_sx); 3811 3812 return (EINVAL); 3813 } 3814 #endif 3815