1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1994-1995 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/capsicum.h> 34 #include <sys/cdio.h> 35 #include <sys/consio.h> 36 #include <sys/disk.h> 37 #include <sys/dvdio.h> 38 #include <sys/fcntl.h> 39 #include <sys/filio.h> 40 #include <sys/jail.h> 41 #include <sys/kbio.h> 42 #include <sys/kcov.h> 43 #include <sys/kernel.h> 44 #include <sys/linker_set.h> 45 #include <sys/lock.h> 46 #include <sys/malloc.h> 47 #include <sys/mman.h> 48 #include <sys/proc.h> 49 #include <sys/sbuf.h> 50 #include <sys/sockio.h> 51 #include <sys/soundcard.h> 52 #include <sys/syscallsubr.h> 53 #include <sys/sysctl.h> 54 #include <sys/sysproto.h> 55 #include <sys/sx.h> 56 #include <sys/tty.h> 57 58 #include <net/if.h> 59 #include <net/if_var.h> 60 #include <net/if_dl.h> 61 #include <net/if_types.h> 62 63 #include <dev/evdev/input.h> 64 #include <dev/usb/usb_ioctl.h> 65 66 #ifdef COMPAT_LINUX32 67 #include <machine/../linux32/linux.h> 68 #include <machine/../linux32/linux32_proto.h> 69 #else 70 #include <machine/../linux/linux.h> 71 #include <machine/../linux/linux_proto.h> 72 #endif 73 74 #include <compat/linux/linux_common.h> 75 #include <compat/linux/linux_ioctl.h> 76 #include <compat/linux/linux_mib.h> 77 #include <compat/linux/linux_socket.h> 78 #include <compat/linux/linux_time.h> 79 #include <compat/linux/linux_util.h> 80 81 #include <contrib/v4l/videodev.h> 82 #include <compat/linux/linux_videodev_compat.h> 83 84 #include <contrib/v4l/videodev2.h> 85 #include <compat/linux/linux_videodev2_compat.h> 86 87 #include <cam/scsi/scsi_sg.h> 88 89 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \ 90 static linux_ioctl_function_t linux_ioctl_ ## shortname; \ 91 static struct linux_ioctl_handler shortname ## _handler = { \ 92 .func = linux_ioctl_ ## shortname, \ 93 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \ 94 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \ 95 }; \ 96 DATA_SET(linux_ioctl_handler_set, shortname ## _handler) 97 98 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM); 99 DEFINE_LINUX_IOCTL_SET(vfat, VFAT); 100 DEFINE_LINUX_IOCTL_SET(console, CONSOLE); 101 DEFINE_LINUX_IOCTL_SET(hdio, HDIO); 102 DEFINE_LINUX_IOCTL_SET(disk, DISK); 103 DEFINE_LINUX_IOCTL_SET(socket, SOCKET); 104 DEFINE_LINUX_IOCTL_SET(sound, SOUND); 105 DEFINE_LINUX_IOCTL_SET(termio, TERMIO); 106 DEFINE_LINUX_IOCTL_SET(private, PRIVATE); 107 DEFINE_LINUX_IOCTL_SET(drm, DRM); 108 DEFINE_LINUX_IOCTL_SET(sg, SG); 109 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO); 110 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2); 111 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB); 112 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV); 113 DEFINE_LINUX_IOCTL_SET(kcov, KCOV); 114 115 #undef DEFINE_LINUX_IOCTL_SET 116 117 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *); 118 119 /* 120 * Keep sorted by low. 121 */ 122 static struct linux_ioctl_handler linux_ioctls[] = { 123 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 124 .high = LINUX_IOCTL_TERMIO_MAX }, 125 }; 126 127 #ifdef __i386__ 128 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 129 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 130 static struct sx linux_ioctl_sx; 131 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 132 #else 133 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 134 extern struct sx linux_ioctl_sx; 135 #endif 136 #ifdef COMPAT_LINUX32 137 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 138 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 139 #endif 140 141 /* 142 * hdio related ioctls for VMWare support 143 */ 144 145 struct linux_hd_geometry { 146 uint8_t heads; 147 uint8_t sectors; 148 uint16_t cylinders; 149 uint32_t start; 150 }; 151 152 struct linux_hd_big_geometry { 153 uint8_t heads; 154 uint8_t sectors; 155 uint32_t cylinders; 156 uint32_t start; 157 }; 158 159 static int 160 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 161 { 162 struct file *fp; 163 int error; 164 u_int sectorsize, fwcylinders, fwheads, fwsectors; 165 off_t mediasize, bytespercyl; 166 167 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 168 if (error != 0) 169 return (error); 170 switch (args->cmd & 0xffff) { 171 case LINUX_HDIO_GET_GEO: 172 case LINUX_HDIO_GET_GEO_BIG: 173 error = fo_ioctl(fp, DIOCGMEDIASIZE, 174 (caddr_t)&mediasize, td->td_ucred, td); 175 if (!error) 176 error = fo_ioctl(fp, DIOCGSECTORSIZE, 177 (caddr_t)§orsize, td->td_ucred, td); 178 if (!error) 179 error = fo_ioctl(fp, DIOCGFWHEADS, 180 (caddr_t)&fwheads, td->td_ucred, td); 181 if (!error) 182 error = fo_ioctl(fp, DIOCGFWSECTORS, 183 (caddr_t)&fwsectors, td->td_ucred, td); 184 /* 185 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 186 * so pretend that GEOM always says 0. This is NOT VALID 187 * for slices or partitions, only the per-disk raw devices. 188 */ 189 190 fdrop(fp, td); 191 if (error) 192 return (error); 193 /* 194 * 1. Calculate the number of bytes in a cylinder, 195 * given the firmware's notion of heads and sectors 196 * per cylinder. 197 * 2. Calculate the number of cylinders, given the total 198 * size of the media. 199 * All internal calculations should have 64-bit precision. 200 */ 201 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 202 fwcylinders = mediasize / bytespercyl; 203 204 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 205 struct linux_hd_geometry hdg; 206 207 hdg.cylinders = fwcylinders; 208 hdg.heads = fwheads; 209 hdg.sectors = fwsectors; 210 hdg.start = 0; 211 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 212 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 213 struct linux_hd_big_geometry hdbg; 214 215 memset(&hdbg, 0, sizeof(hdbg)); 216 hdbg.cylinders = fwcylinders; 217 hdbg.heads = fwheads; 218 hdbg.sectors = fwsectors; 219 hdbg.start = 0; 220 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 221 } 222 return (error); 223 break; 224 default: 225 /* XXX */ 226 linux_msg(td, 227 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 228 __func__, args->fd, args->cmd, 229 (int)(args->cmd & 0xff00) >> 8, 230 (int)(args->cmd & 0xff)); 231 break; 232 } 233 fdrop(fp, td); 234 return (ENOIOCTL); 235 } 236 237 static int 238 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 239 { 240 struct file *fp; 241 int error; 242 u_int sectorsize, psectorsize; 243 uint64_t blksize64; 244 off_t mediasize, stripesize; 245 246 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 247 if (error != 0) 248 return (error); 249 switch (args->cmd & 0xffff) { 250 case LINUX_BLKGETSIZE: 251 error = fo_ioctl(fp, DIOCGSECTORSIZE, 252 (caddr_t)§orsize, td->td_ucred, td); 253 if (!error) 254 error = fo_ioctl(fp, DIOCGMEDIASIZE, 255 (caddr_t)&mediasize, td->td_ucred, td); 256 fdrop(fp, td); 257 if (error) 258 return (error); 259 sectorsize = mediasize / sectorsize; 260 /* 261 * XXX: How do we know we return the right size of integer ? 262 */ 263 return (copyout(§orsize, (void *)args->arg, 264 sizeof(sectorsize))); 265 break; 266 case LINUX_BLKGETSIZE64: 267 error = fo_ioctl(fp, DIOCGMEDIASIZE, 268 (caddr_t)&mediasize, td->td_ucred, td); 269 fdrop(fp, td); 270 if (error) 271 return (error); 272 blksize64 = mediasize; 273 return (copyout(&blksize64, (void *)args->arg, 274 sizeof(blksize64))); 275 case LINUX_BLKSSZGET: 276 error = fo_ioctl(fp, DIOCGSECTORSIZE, 277 (caddr_t)§orsize, td->td_ucred, td); 278 fdrop(fp, td); 279 if (error) 280 return (error); 281 return (copyout(§orsize, (void *)args->arg, 282 sizeof(sectorsize))); 283 break; 284 case LINUX_BLKPBSZGET: 285 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 286 (caddr_t)&stripesize, td->td_ucred, td); 287 if (error != 0) { 288 fdrop(fp, td); 289 return (error); 290 } 291 if (stripesize > 0 && stripesize <= 4096) { 292 psectorsize = stripesize; 293 } else { 294 error = fo_ioctl(fp, DIOCGSECTORSIZE, 295 (caddr_t)§orsize, td->td_ucred, td); 296 if (error != 0) { 297 fdrop(fp, td); 298 return (error); 299 } 300 psectorsize = sectorsize; 301 } 302 fdrop(fp, td); 303 return (copyout(&psectorsize, (void *)args->arg, 304 sizeof(psectorsize))); 305 } 306 fdrop(fp, td); 307 return (ENOIOCTL); 308 } 309 310 /* 311 * termio related ioctls 312 */ 313 314 struct linux_termio { 315 unsigned short c_iflag; 316 unsigned short c_oflag; 317 unsigned short c_cflag; 318 unsigned short c_lflag; 319 unsigned char c_line; 320 unsigned char c_cc[LINUX_NCC]; 321 }; 322 323 struct linux_termios { 324 unsigned int c_iflag; 325 unsigned int c_oflag; 326 unsigned int c_cflag; 327 unsigned int c_lflag; 328 unsigned char c_line; 329 unsigned char c_cc[LINUX_NCCS]; 330 }; 331 332 struct linux_winsize { 333 unsigned short ws_row, ws_col; 334 unsigned short ws_xpixel, ws_ypixel; 335 }; 336 337 struct speedtab { 338 int sp_speed; /* Speed. */ 339 int sp_code; /* Code. */ 340 }; 341 342 static struct speedtab sptab[] = { 343 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 344 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 345 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 346 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 347 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 348 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 349 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 350 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 351 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 352 {-1, -1 } 353 }; 354 355 struct linux_serial_struct { 356 int type; 357 int line; 358 int port; 359 int irq; 360 int flags; 361 int xmit_fifo_size; 362 int custom_divisor; 363 int baud_base; 364 unsigned short close_delay; 365 char reserved_char[2]; 366 int hub6; 367 unsigned short closing_wait; 368 unsigned short closing_wait2; 369 int reserved[4]; 370 }; 371 372 static int 373 linux_to_bsd_speed(int code, struct speedtab *table) 374 { 375 for ( ; table->sp_code != -1; table++) 376 if (table->sp_code == code) 377 return (table->sp_speed); 378 return (-1); 379 } 380 381 static int 382 bsd_to_linux_speed(int speed, struct speedtab *table) 383 { 384 for ( ; table->sp_speed != -1; table++) 385 if (table->sp_speed == speed) 386 return (table->sp_code); 387 return (-1); 388 } 389 390 static void 391 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 392 { 393 int i; 394 395 lios->c_iflag = 0; 396 if (bios->c_iflag & IGNBRK) 397 lios->c_iflag |= LINUX_IGNBRK; 398 if (bios->c_iflag & BRKINT) 399 lios->c_iflag |= LINUX_BRKINT; 400 if (bios->c_iflag & IGNPAR) 401 lios->c_iflag |= LINUX_IGNPAR; 402 if (bios->c_iflag & PARMRK) 403 lios->c_iflag |= LINUX_PARMRK; 404 if (bios->c_iflag & INPCK) 405 lios->c_iflag |= LINUX_INPCK; 406 if (bios->c_iflag & ISTRIP) 407 lios->c_iflag |= LINUX_ISTRIP; 408 if (bios->c_iflag & INLCR) 409 lios->c_iflag |= LINUX_INLCR; 410 if (bios->c_iflag & IGNCR) 411 lios->c_iflag |= LINUX_IGNCR; 412 if (bios->c_iflag & ICRNL) 413 lios->c_iflag |= LINUX_ICRNL; 414 if (bios->c_iflag & IXON) 415 lios->c_iflag |= LINUX_IXON; 416 if (bios->c_iflag & IXANY) 417 lios->c_iflag |= LINUX_IXANY; 418 if (bios->c_iflag & IXOFF) 419 lios->c_iflag |= LINUX_IXOFF; 420 if (bios->c_iflag & IMAXBEL) 421 lios->c_iflag |= LINUX_IMAXBEL; 422 423 lios->c_oflag = 0; 424 if (bios->c_oflag & OPOST) 425 lios->c_oflag |= LINUX_OPOST; 426 if (bios->c_oflag & ONLCR) 427 lios->c_oflag |= LINUX_ONLCR; 428 if (bios->c_oflag & TAB3) 429 lios->c_oflag |= LINUX_XTABS; 430 431 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 432 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 433 if (bios->c_cflag & CSTOPB) 434 lios->c_cflag |= LINUX_CSTOPB; 435 if (bios->c_cflag & CREAD) 436 lios->c_cflag |= LINUX_CREAD; 437 if (bios->c_cflag & PARENB) 438 lios->c_cflag |= LINUX_PARENB; 439 if (bios->c_cflag & PARODD) 440 lios->c_cflag |= LINUX_PARODD; 441 if (bios->c_cflag & HUPCL) 442 lios->c_cflag |= LINUX_HUPCL; 443 if (bios->c_cflag & CLOCAL) 444 lios->c_cflag |= LINUX_CLOCAL; 445 if (bios->c_cflag & CRTSCTS) 446 lios->c_cflag |= LINUX_CRTSCTS; 447 448 lios->c_lflag = 0; 449 if (bios->c_lflag & ISIG) 450 lios->c_lflag |= LINUX_ISIG; 451 if (bios->c_lflag & ICANON) 452 lios->c_lflag |= LINUX_ICANON; 453 if (bios->c_lflag & ECHO) 454 lios->c_lflag |= LINUX_ECHO; 455 if (bios->c_lflag & ECHOE) 456 lios->c_lflag |= LINUX_ECHOE; 457 if (bios->c_lflag & ECHOK) 458 lios->c_lflag |= LINUX_ECHOK; 459 if (bios->c_lflag & ECHONL) 460 lios->c_lflag |= LINUX_ECHONL; 461 if (bios->c_lflag & NOFLSH) 462 lios->c_lflag |= LINUX_NOFLSH; 463 if (bios->c_lflag & TOSTOP) 464 lios->c_lflag |= LINUX_TOSTOP; 465 if (bios->c_lflag & ECHOCTL) 466 lios->c_lflag |= LINUX_ECHOCTL; 467 if (bios->c_lflag & ECHOPRT) 468 lios->c_lflag |= LINUX_ECHOPRT; 469 if (bios->c_lflag & ECHOKE) 470 lios->c_lflag |= LINUX_ECHOKE; 471 if (bios->c_lflag & FLUSHO) 472 lios->c_lflag |= LINUX_FLUSHO; 473 if (bios->c_lflag & PENDIN) 474 lios->c_lflag |= LINUX_PENDIN; 475 if (bios->c_lflag & IEXTEN) 476 lios->c_lflag |= LINUX_IEXTEN; 477 478 for (i=0; i<LINUX_NCCS; i++) 479 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 480 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 481 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 482 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 483 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 484 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 485 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 486 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 487 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 488 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 489 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 490 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 491 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 492 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 493 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 494 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 495 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 496 if (linux_preserve_vstatus) 497 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 498 499 for (i=0; i<LINUX_NCCS; i++) { 500 if (i != LINUX_VMIN && i != LINUX_VTIME && 501 lios->c_cc[i] == _POSIX_VDISABLE) 502 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 503 } 504 lios->c_line = 0; 505 } 506 507 static void 508 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 509 { 510 int i; 511 512 bios->c_iflag = 0; 513 if (lios->c_iflag & LINUX_IGNBRK) 514 bios->c_iflag |= IGNBRK; 515 if (lios->c_iflag & LINUX_BRKINT) 516 bios->c_iflag |= BRKINT; 517 if (lios->c_iflag & LINUX_IGNPAR) 518 bios->c_iflag |= IGNPAR; 519 if (lios->c_iflag & LINUX_PARMRK) 520 bios->c_iflag |= PARMRK; 521 if (lios->c_iflag & LINUX_INPCK) 522 bios->c_iflag |= INPCK; 523 if (lios->c_iflag & LINUX_ISTRIP) 524 bios->c_iflag |= ISTRIP; 525 if (lios->c_iflag & LINUX_INLCR) 526 bios->c_iflag |= INLCR; 527 if (lios->c_iflag & LINUX_IGNCR) 528 bios->c_iflag |= IGNCR; 529 if (lios->c_iflag & LINUX_ICRNL) 530 bios->c_iflag |= ICRNL; 531 if (lios->c_iflag & LINUX_IXON) 532 bios->c_iflag |= IXON; 533 if (lios->c_iflag & LINUX_IXANY) 534 bios->c_iflag |= IXANY; 535 if (lios->c_iflag & LINUX_IXOFF) 536 bios->c_iflag |= IXOFF; 537 if (lios->c_iflag & LINUX_IMAXBEL) 538 bios->c_iflag |= IMAXBEL; 539 540 bios->c_oflag = 0; 541 if (lios->c_oflag & LINUX_OPOST) 542 bios->c_oflag |= OPOST; 543 if (lios->c_oflag & LINUX_ONLCR) 544 bios->c_oflag |= ONLCR; 545 if (lios->c_oflag & LINUX_XTABS) 546 bios->c_oflag |= TAB3; 547 548 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 549 if (lios->c_cflag & LINUX_CSTOPB) 550 bios->c_cflag |= CSTOPB; 551 if (lios->c_cflag & LINUX_CREAD) 552 bios->c_cflag |= CREAD; 553 if (lios->c_cflag & LINUX_PARENB) 554 bios->c_cflag |= PARENB; 555 if (lios->c_cflag & LINUX_PARODD) 556 bios->c_cflag |= PARODD; 557 if (lios->c_cflag & LINUX_HUPCL) 558 bios->c_cflag |= HUPCL; 559 if (lios->c_cflag & LINUX_CLOCAL) 560 bios->c_cflag |= CLOCAL; 561 if (lios->c_cflag & LINUX_CRTSCTS) 562 bios->c_cflag |= CRTSCTS; 563 564 bios->c_lflag = 0; 565 if (lios->c_lflag & LINUX_ISIG) 566 bios->c_lflag |= ISIG; 567 if (lios->c_lflag & LINUX_ICANON) 568 bios->c_lflag |= ICANON; 569 if (lios->c_lflag & LINUX_ECHO) 570 bios->c_lflag |= ECHO; 571 if (lios->c_lflag & LINUX_ECHOE) 572 bios->c_lflag |= ECHOE; 573 if (lios->c_lflag & LINUX_ECHOK) 574 bios->c_lflag |= ECHOK; 575 if (lios->c_lflag & LINUX_ECHONL) 576 bios->c_lflag |= ECHONL; 577 if (lios->c_lflag & LINUX_NOFLSH) 578 bios->c_lflag |= NOFLSH; 579 if (lios->c_lflag & LINUX_TOSTOP) 580 bios->c_lflag |= TOSTOP; 581 if (lios->c_lflag & LINUX_ECHOCTL) 582 bios->c_lflag |= ECHOCTL; 583 if (lios->c_lflag & LINUX_ECHOPRT) 584 bios->c_lflag |= ECHOPRT; 585 if (lios->c_lflag & LINUX_ECHOKE) 586 bios->c_lflag |= ECHOKE; 587 if (lios->c_lflag & LINUX_FLUSHO) 588 bios->c_lflag |= FLUSHO; 589 if (lios->c_lflag & LINUX_PENDIN) 590 bios->c_lflag |= PENDIN; 591 if (lios->c_lflag & LINUX_IEXTEN) 592 bios->c_lflag |= IEXTEN; 593 594 for (i=0; i<NCCS; i++) 595 bios->c_cc[i] = _POSIX_VDISABLE; 596 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 597 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 598 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 599 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 600 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 601 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 602 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 603 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 604 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 605 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 606 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 607 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 608 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 609 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 610 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 611 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 612 if (linux_preserve_vstatus) 613 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 614 615 for (i=0; i<NCCS; i++) { 616 if (i != VMIN && i != VTIME && 617 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 618 bios->c_cc[i] = _POSIX_VDISABLE; 619 } 620 621 bios->c_ispeed = bios->c_ospeed = 622 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 623 } 624 625 static void 626 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 627 { 628 struct linux_termios lios; 629 630 memset(lio, 0, sizeof(*lio)); 631 bsd_to_linux_termios(bios, &lios); 632 lio->c_iflag = lios.c_iflag; 633 lio->c_oflag = lios.c_oflag; 634 lio->c_cflag = lios.c_cflag; 635 lio->c_lflag = lios.c_lflag; 636 lio->c_line = lios.c_line; 637 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 638 } 639 640 static void 641 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 642 { 643 struct linux_termios lios; 644 int i; 645 646 lios.c_iflag = lio->c_iflag; 647 lios.c_oflag = lio->c_oflag; 648 lios.c_cflag = lio->c_cflag; 649 lios.c_lflag = lio->c_lflag; 650 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 651 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 652 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 653 linux_to_bsd_termios(&lios, bios); 654 } 655 656 static int 657 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 658 { 659 struct termios bios; 660 struct linux_termios lios; 661 struct linux_termio lio; 662 struct file *fp; 663 int error; 664 665 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 666 if (error != 0) 667 return (error); 668 669 switch (args->cmd & 0xffff) { 670 case LINUX_TCGETS: 671 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 672 td); 673 if (error) 674 break; 675 bsd_to_linux_termios(&bios, &lios); 676 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 677 break; 678 679 case LINUX_TCSETS: 680 error = copyin((void *)args->arg, &lios, sizeof(lios)); 681 if (error) 682 break; 683 linux_to_bsd_termios(&lios, &bios); 684 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 685 td)); 686 break; 687 688 case LINUX_TCSETSW: 689 error = copyin((void *)args->arg, &lios, sizeof(lios)); 690 if (error) 691 break; 692 linux_to_bsd_termios(&lios, &bios); 693 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 694 td)); 695 break; 696 697 case LINUX_TCSETSF: 698 error = copyin((void *)args->arg, &lios, sizeof(lios)); 699 if (error) 700 break; 701 linux_to_bsd_termios(&lios, &bios); 702 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 703 td)); 704 break; 705 706 case LINUX_TCGETA: 707 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 708 td); 709 if (error) 710 break; 711 bsd_to_linux_termio(&bios, &lio); 712 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 713 break; 714 715 case LINUX_TCSETA: 716 error = copyin((void *)args->arg, &lio, sizeof(lio)); 717 if (error) 718 break; 719 linux_to_bsd_termio(&lio, &bios); 720 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 721 td)); 722 break; 723 724 case LINUX_TCSETAW: 725 error = copyin((void *)args->arg, &lio, sizeof(lio)); 726 if (error) 727 break; 728 linux_to_bsd_termio(&lio, &bios); 729 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 730 td)); 731 break; 732 733 case LINUX_TCSETAF: 734 error = copyin((void *)args->arg, &lio, sizeof(lio)); 735 if (error) 736 break; 737 linux_to_bsd_termio(&lio, &bios); 738 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 739 td)); 740 break; 741 742 case LINUX_TCSBRK: 743 if (args->arg != 0) { 744 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred, 745 td)); 746 } else { 747 linux_msg(td, "ioctl TCSBRK arg 0 not implemented"); 748 error = ENOIOCTL; 749 } 750 break; 751 752 case LINUX_TCXONC: { 753 switch (args->arg) { 754 case LINUX_TCOOFF: 755 args->cmd = TIOCSTOP; 756 break; 757 case LINUX_TCOON: 758 args->cmd = TIOCSTART; 759 break; 760 case LINUX_TCIOFF: 761 case LINUX_TCION: { 762 int c; 763 struct write_args wr; 764 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 765 td->td_ucred, td); 766 if (error) 767 break; 768 fdrop(fp, td); 769 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 770 c = bios.c_cc[c]; 771 if (c != _POSIX_VDISABLE) { 772 wr.fd = args->fd; 773 wr.buf = &c; 774 wr.nbyte = sizeof(c); 775 return (sys_write(td, &wr)); 776 } else 777 return (0); 778 } 779 default: 780 fdrop(fp, td); 781 return (EINVAL); 782 } 783 args->arg = 0; 784 error = (sys_ioctl(td, (struct ioctl_args *)args)); 785 break; 786 } 787 788 case LINUX_TCFLSH: { 789 int val; 790 switch (args->arg) { 791 case LINUX_TCIFLUSH: 792 val = FREAD; 793 break; 794 case LINUX_TCOFLUSH: 795 val = FWRITE; 796 break; 797 case LINUX_TCIOFLUSH: 798 val = FREAD | FWRITE; 799 break; 800 default: 801 fdrop(fp, td); 802 return (EINVAL); 803 } 804 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 805 break; 806 } 807 808 case LINUX_TIOCEXCL: 809 args->cmd = TIOCEXCL; 810 error = (sys_ioctl(td, (struct ioctl_args *)args)); 811 break; 812 813 case LINUX_TIOCNXCL: 814 args->cmd = TIOCNXCL; 815 error = (sys_ioctl(td, (struct ioctl_args *)args)); 816 break; 817 818 case LINUX_TIOCSCTTY: 819 args->cmd = TIOCSCTTY; 820 error = (sys_ioctl(td, (struct ioctl_args *)args)); 821 break; 822 823 case LINUX_TIOCGPGRP: 824 args->cmd = TIOCGPGRP; 825 error = (sys_ioctl(td, (struct ioctl_args *)args)); 826 break; 827 828 case LINUX_TIOCSPGRP: 829 args->cmd = TIOCSPGRP; 830 error = (sys_ioctl(td, (struct ioctl_args *)args)); 831 break; 832 833 /* LINUX_TIOCOUTQ */ 834 /* LINUX_TIOCSTI */ 835 836 case LINUX_TIOCGWINSZ: 837 args->cmd = TIOCGWINSZ; 838 error = (sys_ioctl(td, (struct ioctl_args *)args)); 839 break; 840 841 case LINUX_TIOCSWINSZ: 842 args->cmd = TIOCSWINSZ; 843 error = (sys_ioctl(td, (struct ioctl_args *)args)); 844 break; 845 846 case LINUX_TIOCMGET: 847 args->cmd = TIOCMGET; 848 error = (sys_ioctl(td, (struct ioctl_args *)args)); 849 break; 850 851 case LINUX_TIOCMBIS: 852 args->cmd = TIOCMBIS; 853 error = (sys_ioctl(td, (struct ioctl_args *)args)); 854 break; 855 856 case LINUX_TIOCMBIC: 857 args->cmd = TIOCMBIC; 858 error = (sys_ioctl(td, (struct ioctl_args *)args)); 859 break; 860 861 case LINUX_TIOCMSET: 862 args->cmd = TIOCMSET; 863 error = (sys_ioctl(td, (struct ioctl_args *)args)); 864 break; 865 866 /* TIOCGSOFTCAR */ 867 /* TIOCSSOFTCAR */ 868 869 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 870 args->cmd = FIONREAD; 871 error = (sys_ioctl(td, (struct ioctl_args *)args)); 872 break; 873 874 /* LINUX_TIOCLINUX */ 875 876 case LINUX_TIOCCONS: 877 args->cmd = TIOCCONS; 878 error = (sys_ioctl(td, (struct ioctl_args *)args)); 879 break; 880 881 case LINUX_TIOCGSERIAL: { 882 struct linux_serial_struct lss; 883 884 bzero(&lss, sizeof(lss)); 885 lss.type = LINUX_PORT_16550A; 886 lss.flags = 0; 887 lss.close_delay = 0; 888 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 889 break; 890 } 891 892 case LINUX_TIOCSSERIAL: { 893 struct linux_serial_struct lss; 894 error = copyin((void *)args->arg, &lss, sizeof(lss)); 895 if (error) 896 break; 897 /* XXX - It really helps to have an implementation that 898 * does nothing. NOT! 899 */ 900 error = 0; 901 break; 902 } 903 904 case LINUX_TIOCPKT: 905 args->cmd = TIOCPKT; 906 error = (sys_ioctl(td, (struct ioctl_args *)args)); 907 break; 908 909 case LINUX_FIONBIO: 910 args->cmd = FIONBIO; 911 error = (sys_ioctl(td, (struct ioctl_args *)args)); 912 break; 913 914 case LINUX_TIOCNOTTY: 915 args->cmd = TIOCNOTTY; 916 error = (sys_ioctl(td, (struct ioctl_args *)args)); 917 break; 918 919 case LINUX_TIOCSETD: { 920 int line; 921 switch (args->arg) { 922 case LINUX_N_TTY: 923 line = TTYDISC; 924 break; 925 case LINUX_N_SLIP: 926 line = SLIPDISC; 927 break; 928 case LINUX_N_PPP: 929 line = PPPDISC; 930 break; 931 default: 932 fdrop(fp, td); 933 return (EINVAL); 934 } 935 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 936 td)); 937 break; 938 } 939 940 case LINUX_TIOCGETD: { 941 int linux_line; 942 int bsd_line = TTYDISC; 943 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 944 td->td_ucred, td); 945 if (error) 946 break; 947 switch (bsd_line) { 948 case TTYDISC: 949 linux_line = LINUX_N_TTY; 950 break; 951 case SLIPDISC: 952 linux_line = LINUX_N_SLIP; 953 break; 954 case PPPDISC: 955 linux_line = LINUX_N_PPP; 956 break; 957 default: 958 fdrop(fp, td); 959 return (EINVAL); 960 } 961 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 962 break; 963 } 964 965 /* LINUX_TCSBRKP */ 966 /* LINUX_TIOCTTYGSTRUCT */ 967 968 case LINUX_FIONCLEX: 969 args->cmd = FIONCLEX; 970 error = (sys_ioctl(td, (struct ioctl_args *)args)); 971 break; 972 973 case LINUX_FIOCLEX: 974 args->cmd = FIOCLEX; 975 error = (sys_ioctl(td, (struct ioctl_args *)args)); 976 break; 977 978 case LINUX_FIOASYNC: 979 args->cmd = FIOASYNC; 980 error = (sys_ioctl(td, (struct ioctl_args *)args)); 981 break; 982 983 /* LINUX_TIOCSERCONFIG */ 984 /* LINUX_TIOCSERGWILD */ 985 /* LINUX_TIOCSERSWILD */ 986 /* LINUX_TIOCGLCKTRMIOS */ 987 /* LINUX_TIOCSLCKTRMIOS */ 988 989 case LINUX_TIOCSBRK: 990 args->cmd = TIOCSBRK; 991 error = (sys_ioctl(td, (struct ioctl_args *)args)); 992 break; 993 994 case LINUX_TIOCCBRK: 995 args->cmd = TIOCCBRK; 996 error = (sys_ioctl(td, (struct ioctl_args *)args)); 997 break; 998 case LINUX_TIOCGPTN: { 999 int nb; 1000 1001 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1002 if (!error) 1003 error = copyout(&nb, (void *)args->arg, 1004 sizeof(int)); 1005 break; 1006 } 1007 case LINUX_TIOCGPTPEER: 1008 linux_msg(td, "unsupported ioctl TIOCGPTPEER"); 1009 error = ENOIOCTL; 1010 break; 1011 case LINUX_TIOCSPTLCK: 1012 /* Our unlockpt() does nothing. */ 1013 error = 0; 1014 break; 1015 default: 1016 error = ENOIOCTL; 1017 break; 1018 } 1019 1020 fdrop(fp, td); 1021 return (error); 1022 } 1023 1024 /* 1025 * CDROM related ioctls 1026 */ 1027 1028 struct linux_cdrom_msf 1029 { 1030 u_char cdmsf_min0; 1031 u_char cdmsf_sec0; 1032 u_char cdmsf_frame0; 1033 u_char cdmsf_min1; 1034 u_char cdmsf_sec1; 1035 u_char cdmsf_frame1; 1036 }; 1037 1038 struct linux_cdrom_tochdr 1039 { 1040 u_char cdth_trk0; 1041 u_char cdth_trk1; 1042 }; 1043 1044 union linux_cdrom_addr 1045 { 1046 struct { 1047 u_char minute; 1048 u_char second; 1049 u_char frame; 1050 } msf; 1051 int lba; 1052 }; 1053 1054 struct linux_cdrom_tocentry 1055 { 1056 u_char cdte_track; 1057 u_char cdte_adr:4; 1058 u_char cdte_ctrl:4; 1059 u_char cdte_format; 1060 union linux_cdrom_addr cdte_addr; 1061 u_char cdte_datamode; 1062 }; 1063 1064 struct linux_cdrom_subchnl 1065 { 1066 u_char cdsc_format; 1067 u_char cdsc_audiostatus; 1068 u_char cdsc_adr:4; 1069 u_char cdsc_ctrl:4; 1070 u_char cdsc_trk; 1071 u_char cdsc_ind; 1072 union linux_cdrom_addr cdsc_absaddr; 1073 union linux_cdrom_addr cdsc_reladdr; 1074 }; 1075 1076 struct l_cdrom_read_audio { 1077 union linux_cdrom_addr addr; 1078 u_char addr_format; 1079 l_int nframes; 1080 u_char *buf; 1081 }; 1082 1083 struct l_dvd_layer { 1084 u_char book_version:4; 1085 u_char book_type:4; 1086 u_char min_rate:4; 1087 u_char disc_size:4; 1088 u_char layer_type:4; 1089 u_char track_path:1; 1090 u_char nlayers:2; 1091 u_char track_density:4; 1092 u_char linear_density:4; 1093 u_char bca:1; 1094 uint32_t start_sector; 1095 uint32_t end_sector; 1096 uint32_t end_sector_l0; 1097 }; 1098 1099 struct l_dvd_physical { 1100 u_char type; 1101 u_char layer_num; 1102 struct l_dvd_layer layer[4]; 1103 }; 1104 1105 struct l_dvd_copyright { 1106 u_char type; 1107 u_char layer_num; 1108 u_char cpst; 1109 u_char rmi; 1110 }; 1111 1112 struct l_dvd_disckey { 1113 u_char type; 1114 l_uint agid:2; 1115 u_char value[2048]; 1116 }; 1117 1118 struct l_dvd_bca { 1119 u_char type; 1120 l_int len; 1121 u_char value[188]; 1122 }; 1123 1124 struct l_dvd_manufact { 1125 u_char type; 1126 u_char layer_num; 1127 l_int len; 1128 u_char value[2048]; 1129 }; 1130 1131 typedef union { 1132 u_char type; 1133 struct l_dvd_physical physical; 1134 struct l_dvd_copyright copyright; 1135 struct l_dvd_disckey disckey; 1136 struct l_dvd_bca bca; 1137 struct l_dvd_manufact manufact; 1138 } l_dvd_struct; 1139 1140 typedef u_char l_dvd_key[5]; 1141 typedef u_char l_dvd_challenge[10]; 1142 1143 struct l_dvd_lu_send_agid { 1144 u_char type; 1145 l_uint agid:2; 1146 }; 1147 1148 struct l_dvd_host_send_challenge { 1149 u_char type; 1150 l_uint agid:2; 1151 l_dvd_challenge chal; 1152 }; 1153 1154 struct l_dvd_send_key { 1155 u_char type; 1156 l_uint agid:2; 1157 l_dvd_key key; 1158 }; 1159 1160 struct l_dvd_lu_send_challenge { 1161 u_char type; 1162 l_uint agid:2; 1163 l_dvd_challenge chal; 1164 }; 1165 1166 struct l_dvd_lu_send_title_key { 1167 u_char type; 1168 l_uint agid:2; 1169 l_dvd_key title_key; 1170 l_int lba; 1171 l_uint cpm:1; 1172 l_uint cp_sec:1; 1173 l_uint cgms:2; 1174 }; 1175 1176 struct l_dvd_lu_send_asf { 1177 u_char type; 1178 l_uint agid:2; 1179 l_uint asf:1; 1180 }; 1181 1182 struct l_dvd_host_send_rpcstate { 1183 u_char type; 1184 u_char pdrc; 1185 }; 1186 1187 struct l_dvd_lu_send_rpcstate { 1188 u_char type:2; 1189 u_char vra:3; 1190 u_char ucca:3; 1191 u_char region_mask; 1192 u_char rpc_scheme; 1193 }; 1194 1195 typedef union { 1196 u_char type; 1197 struct l_dvd_lu_send_agid lsa; 1198 struct l_dvd_host_send_challenge hsc; 1199 struct l_dvd_send_key lsk; 1200 struct l_dvd_lu_send_challenge lsc; 1201 struct l_dvd_send_key hsk; 1202 struct l_dvd_lu_send_title_key lstk; 1203 struct l_dvd_lu_send_asf lsasf; 1204 struct l_dvd_host_send_rpcstate hrpcs; 1205 struct l_dvd_lu_send_rpcstate lrpcs; 1206 } l_dvd_authinfo; 1207 1208 static void 1209 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1210 { 1211 if (af == CD_LBA_FORMAT) 1212 lp->lba = bp->lba; 1213 else { 1214 lp->msf.minute = bp->msf.minute; 1215 lp->msf.second = bp->msf.second; 1216 lp->msf.frame = bp->msf.frame; 1217 } 1218 } 1219 1220 static void 1221 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1222 { 1223 if (format == LINUX_CDROM_MSF) { 1224 addr->msf.frame = lba % 75; 1225 lba /= 75; 1226 lba += 2; 1227 addr->msf.second = lba % 60; 1228 addr->msf.minute = lba / 60; 1229 } else 1230 addr->lba = lba; 1231 } 1232 1233 static int 1234 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1235 { 1236 bp->format = lp->type; 1237 switch (bp->format) { 1238 case DVD_STRUCT_PHYSICAL: 1239 if (bp->layer_num >= 4) 1240 return (EINVAL); 1241 bp->layer_num = lp->physical.layer_num; 1242 break; 1243 case DVD_STRUCT_COPYRIGHT: 1244 bp->layer_num = lp->copyright.layer_num; 1245 break; 1246 case DVD_STRUCT_DISCKEY: 1247 bp->agid = lp->disckey.agid; 1248 break; 1249 case DVD_STRUCT_BCA: 1250 case DVD_STRUCT_MANUFACT: 1251 break; 1252 default: 1253 return (EINVAL); 1254 } 1255 return (0); 1256 } 1257 1258 static int 1259 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1260 { 1261 switch (bp->format) { 1262 case DVD_STRUCT_PHYSICAL: { 1263 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1264 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1265 memset(llp, 0, sizeof(*llp)); 1266 llp->book_version = blp->book_version; 1267 llp->book_type = blp->book_type; 1268 llp->min_rate = blp->max_rate; 1269 llp->disc_size = blp->disc_size; 1270 llp->layer_type = blp->layer_type; 1271 llp->track_path = blp->track_path; 1272 llp->nlayers = blp->nlayers; 1273 llp->track_density = blp->track_density; 1274 llp->linear_density = blp->linear_density; 1275 llp->bca = blp->bca; 1276 llp->start_sector = blp->start_sector; 1277 llp->end_sector = blp->end_sector; 1278 llp->end_sector_l0 = blp->end_sector_l0; 1279 break; 1280 } 1281 case DVD_STRUCT_COPYRIGHT: 1282 lp->copyright.cpst = bp->cpst; 1283 lp->copyright.rmi = bp->rmi; 1284 break; 1285 case DVD_STRUCT_DISCKEY: 1286 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1287 break; 1288 case DVD_STRUCT_BCA: 1289 lp->bca.len = bp->length; 1290 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1291 break; 1292 case DVD_STRUCT_MANUFACT: 1293 lp->manufact.len = bp->length; 1294 memcpy(lp->manufact.value, bp->data, 1295 sizeof(lp->manufact.value)); 1296 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1297 break; 1298 default: 1299 return (EINVAL); 1300 } 1301 return (0); 1302 } 1303 1304 static int 1305 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1306 struct dvd_authinfo *bp) 1307 { 1308 switch (lp->type) { 1309 case LINUX_DVD_LU_SEND_AGID: 1310 *bcode = DVDIOCREPORTKEY; 1311 bp->format = DVD_REPORT_AGID; 1312 bp->agid = lp->lsa.agid; 1313 break; 1314 case LINUX_DVD_HOST_SEND_CHALLENGE: 1315 *bcode = DVDIOCSENDKEY; 1316 bp->format = DVD_SEND_CHALLENGE; 1317 bp->agid = lp->hsc.agid; 1318 memcpy(bp->keychal, lp->hsc.chal, 10); 1319 break; 1320 case LINUX_DVD_LU_SEND_KEY1: 1321 *bcode = DVDIOCREPORTKEY; 1322 bp->format = DVD_REPORT_KEY1; 1323 bp->agid = lp->lsk.agid; 1324 break; 1325 case LINUX_DVD_LU_SEND_CHALLENGE: 1326 *bcode = DVDIOCREPORTKEY; 1327 bp->format = DVD_REPORT_CHALLENGE; 1328 bp->agid = lp->lsc.agid; 1329 break; 1330 case LINUX_DVD_HOST_SEND_KEY2: 1331 *bcode = DVDIOCSENDKEY; 1332 bp->format = DVD_SEND_KEY2; 1333 bp->agid = lp->hsk.agid; 1334 memcpy(bp->keychal, lp->hsk.key, 5); 1335 break; 1336 case LINUX_DVD_LU_SEND_TITLE_KEY: 1337 *bcode = DVDIOCREPORTKEY; 1338 bp->format = DVD_REPORT_TITLE_KEY; 1339 bp->agid = lp->lstk.agid; 1340 bp->lba = lp->lstk.lba; 1341 break; 1342 case LINUX_DVD_LU_SEND_ASF: 1343 *bcode = DVDIOCREPORTKEY; 1344 bp->format = DVD_REPORT_ASF; 1345 bp->agid = lp->lsasf.agid; 1346 break; 1347 case LINUX_DVD_INVALIDATE_AGID: 1348 *bcode = DVDIOCREPORTKEY; 1349 bp->format = DVD_INVALIDATE_AGID; 1350 bp->agid = lp->lsa.agid; 1351 break; 1352 case LINUX_DVD_LU_SEND_RPC_STATE: 1353 *bcode = DVDIOCREPORTKEY; 1354 bp->format = DVD_REPORT_RPC; 1355 break; 1356 case LINUX_DVD_HOST_SEND_RPC_STATE: 1357 *bcode = DVDIOCSENDKEY; 1358 bp->format = DVD_SEND_RPC; 1359 bp->region = lp->hrpcs.pdrc; 1360 break; 1361 default: 1362 return (EINVAL); 1363 } 1364 return (0); 1365 } 1366 1367 static int 1368 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1369 { 1370 switch (lp->type) { 1371 case LINUX_DVD_LU_SEND_AGID: 1372 lp->lsa.agid = bp->agid; 1373 break; 1374 case LINUX_DVD_HOST_SEND_CHALLENGE: 1375 lp->type = LINUX_DVD_LU_SEND_KEY1; 1376 break; 1377 case LINUX_DVD_LU_SEND_KEY1: 1378 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1379 break; 1380 case LINUX_DVD_LU_SEND_CHALLENGE: 1381 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1382 break; 1383 case LINUX_DVD_HOST_SEND_KEY2: 1384 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1385 break; 1386 case LINUX_DVD_LU_SEND_TITLE_KEY: 1387 memcpy(lp->lstk.title_key, bp->keychal, 1388 sizeof(lp->lstk.title_key)); 1389 lp->lstk.cpm = bp->cpm; 1390 lp->lstk.cp_sec = bp->cp_sec; 1391 lp->lstk.cgms = bp->cgms; 1392 break; 1393 case LINUX_DVD_LU_SEND_ASF: 1394 lp->lsasf.asf = bp->asf; 1395 break; 1396 case LINUX_DVD_INVALIDATE_AGID: 1397 break; 1398 case LINUX_DVD_LU_SEND_RPC_STATE: 1399 lp->lrpcs.type = bp->reg_type; 1400 lp->lrpcs.vra = bp->vend_rsts; 1401 lp->lrpcs.ucca = bp->user_rsts; 1402 lp->lrpcs.region_mask = bp->region; 1403 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1404 break; 1405 case LINUX_DVD_HOST_SEND_RPC_STATE: 1406 break; 1407 default: 1408 return (EINVAL); 1409 } 1410 return (0); 1411 } 1412 1413 static int 1414 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1415 { 1416 struct file *fp; 1417 int error; 1418 1419 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1420 if (error != 0) 1421 return (error); 1422 switch (args->cmd & 0xffff) { 1423 case LINUX_CDROMPAUSE: 1424 args->cmd = CDIOCPAUSE; 1425 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1426 break; 1427 1428 case LINUX_CDROMRESUME: 1429 args->cmd = CDIOCRESUME; 1430 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1431 break; 1432 1433 case LINUX_CDROMPLAYMSF: 1434 args->cmd = CDIOCPLAYMSF; 1435 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1436 break; 1437 1438 case LINUX_CDROMPLAYTRKIND: 1439 args->cmd = CDIOCPLAYTRACKS; 1440 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1441 break; 1442 1443 case LINUX_CDROMREADTOCHDR: { 1444 struct ioc_toc_header th; 1445 struct linux_cdrom_tochdr lth; 1446 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1447 td->td_ucred, td); 1448 if (!error) { 1449 lth.cdth_trk0 = th.starting_track; 1450 lth.cdth_trk1 = th.ending_track; 1451 copyout(<h, (void *)args->arg, sizeof(lth)); 1452 } 1453 break; 1454 } 1455 1456 case LINUX_CDROMREADTOCENTRY: { 1457 struct linux_cdrom_tocentry lte; 1458 struct ioc_read_toc_single_entry irtse; 1459 1460 error = copyin((void *)args->arg, <e, sizeof(lte)); 1461 if (error) 1462 break; 1463 irtse.address_format = lte.cdte_format; 1464 irtse.track = lte.cdte_track; 1465 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1466 td->td_ucred, td); 1467 if (!error) { 1468 lte.cdte_ctrl = irtse.entry.control; 1469 lte.cdte_adr = irtse.entry.addr_type; 1470 bsd_to_linux_msf_lba(irtse.address_format, 1471 &irtse.entry.addr, <e.cdte_addr); 1472 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1473 } 1474 break; 1475 } 1476 1477 case LINUX_CDROMSTOP: 1478 args->cmd = CDIOCSTOP; 1479 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1480 break; 1481 1482 case LINUX_CDROMSTART: 1483 args->cmd = CDIOCSTART; 1484 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1485 break; 1486 1487 case LINUX_CDROMEJECT: 1488 args->cmd = CDIOCEJECT; 1489 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1490 break; 1491 1492 /* LINUX_CDROMVOLCTRL */ 1493 1494 case LINUX_CDROMSUBCHNL: { 1495 struct linux_cdrom_subchnl sc; 1496 struct ioc_read_subchannel bsdsc; 1497 struct cd_sub_channel_info bsdinfo; 1498 1499 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1500 if (error) 1501 break; 1502 1503 /* 1504 * Invoke the native ioctl and bounce the returned data through 1505 * the userspace buffer. This works because the Linux structure 1506 * is the same size as our structures for the subchannel header 1507 * and position data. 1508 */ 1509 bsdsc.address_format = CD_LBA_FORMAT; 1510 bsdsc.data_format = CD_CURRENT_POSITION; 1511 bsdsc.track = 0; 1512 bsdsc.data_len = sizeof(sc); 1513 bsdsc.data = (void *)args->arg; 1514 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1515 td->td_ucred, td); 1516 if (error) 1517 break; 1518 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1519 if (error) 1520 break; 1521 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1522 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1523 sc.cdsc_ctrl = bsdinfo.what.position.control; 1524 sc.cdsc_trk = bsdinfo.what.position.track_number; 1525 sc.cdsc_ind = bsdinfo.what.position.index_number; 1526 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1527 bsdinfo.what.position.absaddr.lba); 1528 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1529 bsdinfo.what.position.reladdr.lba); 1530 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1531 break; 1532 } 1533 1534 /* LINUX_CDROMREADMODE2 */ 1535 /* LINUX_CDROMREADMODE1 */ 1536 /* LINUX_CDROMREADAUDIO */ 1537 /* LINUX_CDROMEJECT_SW */ 1538 /* LINUX_CDROMMULTISESSION */ 1539 /* LINUX_CDROM_GET_UPC */ 1540 1541 case LINUX_CDROMRESET: 1542 args->cmd = CDIOCRESET; 1543 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1544 break; 1545 1546 /* LINUX_CDROMVOLREAD */ 1547 /* LINUX_CDROMREADRAW */ 1548 /* LINUX_CDROMREADCOOKED */ 1549 /* LINUX_CDROMSEEK */ 1550 /* LINUX_CDROMPLAYBLK */ 1551 /* LINUX_CDROMREADALL */ 1552 /* LINUX_CDROMCLOSETRAY */ 1553 /* LINUX_CDROMLOADFROMSLOT */ 1554 /* LINUX_CDROMGETSPINDOWN */ 1555 /* LINUX_CDROMSETSPINDOWN */ 1556 /* LINUX_CDROM_SET_OPTIONS */ 1557 /* LINUX_CDROM_CLEAR_OPTIONS */ 1558 /* LINUX_CDROM_SELECT_SPEED */ 1559 /* LINUX_CDROM_SELECT_DISC */ 1560 /* LINUX_CDROM_MEDIA_CHANGED */ 1561 /* LINUX_CDROM_DRIVE_STATUS */ 1562 /* LINUX_CDROM_DISC_STATUS */ 1563 /* LINUX_CDROM_CHANGER_NSLOTS */ 1564 /* LINUX_CDROM_LOCKDOOR */ 1565 /* LINUX_CDROM_DEBUG */ 1566 /* LINUX_CDROM_GET_CAPABILITY */ 1567 /* LINUX_CDROMAUDIOBUFSIZ */ 1568 1569 case LINUX_DVD_READ_STRUCT: { 1570 l_dvd_struct *lds; 1571 struct dvd_struct *bds; 1572 1573 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1574 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1575 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1576 if (error) 1577 goto out; 1578 error = linux_to_bsd_dvd_struct(lds, bds); 1579 if (error) 1580 goto out; 1581 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1582 td->td_ucred, td); 1583 if (error) 1584 goto out; 1585 error = bsd_to_linux_dvd_struct(bds, lds); 1586 if (error) 1587 goto out; 1588 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1589 out: 1590 free(bds, M_LINUX); 1591 free(lds, M_LINUX); 1592 break; 1593 } 1594 1595 /* LINUX_DVD_WRITE_STRUCT */ 1596 1597 case LINUX_DVD_AUTH: { 1598 l_dvd_authinfo lda; 1599 struct dvd_authinfo bda; 1600 int bcode; 1601 1602 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1603 if (error) 1604 break; 1605 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1606 if (error) 1607 break; 1608 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1609 td); 1610 if (error) { 1611 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1612 lda.type = LINUX_DVD_AUTH_FAILURE; 1613 copyout(&lda, (void *)args->arg, sizeof(lda)); 1614 } 1615 break; 1616 } 1617 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1618 if (error) 1619 break; 1620 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1621 break; 1622 } 1623 1624 case LINUX_SCSI_GET_BUS_NUMBER: 1625 { 1626 struct sg_scsi_id id; 1627 1628 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1629 td->td_ucred, td); 1630 if (error) 1631 break; 1632 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1633 break; 1634 } 1635 1636 case LINUX_SCSI_GET_IDLUN: 1637 { 1638 struct sg_scsi_id id; 1639 struct scsi_idlun idl; 1640 1641 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1642 td->td_ucred, td); 1643 if (error) 1644 break; 1645 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1646 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1647 idl.host_unique_id = id.host_no; 1648 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1649 break; 1650 } 1651 1652 /* LINUX_CDROM_SEND_PACKET */ 1653 /* LINUX_CDROM_NEXT_WRITABLE */ 1654 /* LINUX_CDROM_LAST_WRITTEN */ 1655 1656 default: 1657 error = ENOIOCTL; 1658 break; 1659 } 1660 1661 fdrop(fp, td); 1662 return (error); 1663 } 1664 1665 static int 1666 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1667 { 1668 1669 return (ENOTTY); 1670 } 1671 1672 /* 1673 * Sound related ioctls 1674 */ 1675 1676 struct linux_old_mixer_info { 1677 char id[16]; 1678 char name[32]; 1679 }; 1680 1681 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1682 1683 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1684 1685 static int 1686 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1687 { 1688 1689 switch (args->cmd & 0xffff) { 1690 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1691 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1692 return (sys_ioctl(td, (struct ioctl_args *)args)); 1693 1694 case LINUX_SOUND_MIXER_WRITE_BASS: 1695 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1696 return (sys_ioctl(td, (struct ioctl_args *)args)); 1697 1698 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1699 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1700 return (sys_ioctl(td, (struct ioctl_args *)args)); 1701 1702 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1704 return (sys_ioctl(td, (struct ioctl_args *)args)); 1705 1706 case LINUX_SOUND_MIXER_WRITE_PCM: 1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1708 return (sys_ioctl(td, (struct ioctl_args *)args)); 1709 1710 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1712 return (sys_ioctl(td, (struct ioctl_args *)args)); 1713 1714 case LINUX_SOUND_MIXER_WRITE_LINE: 1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1716 return (sys_ioctl(td, (struct ioctl_args *)args)); 1717 1718 case LINUX_SOUND_MIXER_WRITE_MIC: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1720 return (sys_ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_CD: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1724 return (sys_ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_IMIX: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1728 return (sys_ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1732 return (sys_ioctl(td, (struct ioctl_args *)args)); 1733 1734 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1736 return (sys_ioctl(td, (struct ioctl_args *)args)); 1737 1738 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1740 return (sys_ioctl(td, (struct ioctl_args *)args)); 1741 1742 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1744 return (sys_ioctl(td, (struct ioctl_args *)args)); 1745 1746 case LINUX_SOUND_MIXER_WRITE_LINE1: 1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1748 return (sys_ioctl(td, (struct ioctl_args *)args)); 1749 1750 case LINUX_SOUND_MIXER_WRITE_LINE2: 1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1752 return (sys_ioctl(td, (struct ioctl_args *)args)); 1753 1754 case LINUX_SOUND_MIXER_WRITE_LINE3: 1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1756 return (sys_ioctl(td, (struct ioctl_args *)args)); 1757 1758 case LINUX_SOUND_MIXER_WRITE_MONITOR: 1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR); 1760 return (sys_ioctl(td, (struct ioctl_args *)args)); 1761 1762 case LINUX_SOUND_MIXER_INFO: { 1763 /* Key on encoded length */ 1764 switch ((args->cmd >> 16) & 0x1fff) { 1765 case 0x005c: { /* SOUND_MIXER_INFO */ 1766 args->cmd = SOUND_MIXER_INFO; 1767 return (sys_ioctl(td, (struct ioctl_args *)args)); 1768 } 1769 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1770 struct linux_old_mixer_info info; 1771 bzero(&info, sizeof(info)); 1772 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1773 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1774 copyout(&info, (void *)args->arg, sizeof(info)); 1775 return (0); 1776 } 1777 default: 1778 return (ENOIOCTL); 1779 } 1780 break; 1781 } 1782 1783 case LINUX_OSS_GETVERSION: { 1784 int version = linux_get_oss_version(td); 1785 return (copyout(&version, (void *)args->arg, sizeof(int))); 1786 } 1787 1788 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1789 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1790 return (sys_ioctl(td, (struct ioctl_args *)args)); 1791 1792 case LINUX_SOUND_MIXER_READ_CAPS: 1793 args->cmd = SOUND_MIXER_READ_CAPS; 1794 return (sys_ioctl(td, (struct ioctl_args *)args)); 1795 1796 case LINUX_SOUND_MIXER_READ_RECMASK: 1797 args->cmd = SOUND_MIXER_READ_RECMASK; 1798 return (sys_ioctl(td, (struct ioctl_args *)args)); 1799 1800 case LINUX_SOUND_MIXER_READ_DEVMASK: 1801 args->cmd = SOUND_MIXER_READ_DEVMASK; 1802 return (sys_ioctl(td, (struct ioctl_args *)args)); 1803 1804 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1805 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1806 return (sys_ioctl(td, (struct ioctl_args *)args)); 1807 1808 case LINUX_SNDCTL_DSP_RESET: 1809 args->cmd = SNDCTL_DSP_RESET; 1810 return (sys_ioctl(td, (struct ioctl_args *)args)); 1811 1812 case LINUX_SNDCTL_DSP_SYNC: 1813 args->cmd = SNDCTL_DSP_SYNC; 1814 return (sys_ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SNDCTL_DSP_SPEED: 1817 args->cmd = SNDCTL_DSP_SPEED; 1818 return (sys_ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SNDCTL_DSP_STEREO: 1821 args->cmd = SNDCTL_DSP_STEREO; 1822 return (sys_ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1825 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1826 return (sys_ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SNDCTL_DSP_SETFMT: 1829 args->cmd = SNDCTL_DSP_SETFMT; 1830 return (sys_ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1833 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1834 return (sys_ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SOUND_PCM_WRITE_FILTER: 1837 args->cmd = SOUND_PCM_WRITE_FILTER; 1838 return (sys_ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SNDCTL_DSP_POST: 1841 args->cmd = SNDCTL_DSP_POST; 1842 return (sys_ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1845 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1846 return (sys_ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1849 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1850 return (sys_ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SNDCTL_DSP_GETFMTS: 1853 args->cmd = SNDCTL_DSP_GETFMTS; 1854 return (sys_ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SNDCTL_DSP_GETOSPACE: 1857 args->cmd = SNDCTL_DSP_GETOSPACE; 1858 return (sys_ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SNDCTL_DSP_GETISPACE: 1861 args->cmd = SNDCTL_DSP_GETISPACE; 1862 return (sys_ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_DSP_NONBLOCK: 1865 args->cmd = SNDCTL_DSP_NONBLOCK; 1866 return (sys_ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_DSP_GETCAPS: 1869 args->cmd = SNDCTL_DSP_GETCAPS; 1870 return (sys_ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1873 args->cmd = SNDCTL_DSP_SETTRIGGER; 1874 return (sys_ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_DSP_GETIPTR: 1877 args->cmd = SNDCTL_DSP_GETIPTR; 1878 return (sys_ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_DSP_GETOPTR: 1881 args->cmd = SNDCTL_DSP_GETOPTR; 1882 return (sys_ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_DSP_SETDUPLEX: 1885 args->cmd = SNDCTL_DSP_SETDUPLEX; 1886 return (sys_ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_DSP_GETODELAY: 1889 args->cmd = SNDCTL_DSP_GETODELAY; 1890 return (sys_ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_SEQ_RESET: 1893 args->cmd = SNDCTL_SEQ_RESET; 1894 return (sys_ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_SEQ_SYNC: 1897 args->cmd = SNDCTL_SEQ_SYNC; 1898 return (sys_ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_SYNTH_INFO: 1901 args->cmd = SNDCTL_SYNTH_INFO; 1902 return (sys_ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_SEQ_CTRLRATE: 1905 args->cmd = SNDCTL_SEQ_CTRLRATE; 1906 return (sys_ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1909 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1910 return (sys_ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1913 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1914 return (sys_ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SEQ_PERCMODE: 1917 args->cmd = SNDCTL_SEQ_PERCMODE; 1918 return (sys_ioctl(td, (struct ioctl_args *)args)); 1919 1920 case LINUX_SNDCTL_FM_LOAD_INSTR: 1921 args->cmd = SNDCTL_FM_LOAD_INSTR; 1922 return (sys_ioctl(td, (struct ioctl_args *)args)); 1923 1924 case LINUX_SNDCTL_SEQ_TESTMIDI: 1925 args->cmd = SNDCTL_SEQ_TESTMIDI; 1926 return (sys_ioctl(td, (struct ioctl_args *)args)); 1927 1928 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1929 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1930 return (sys_ioctl(td, (struct ioctl_args *)args)); 1931 1932 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1933 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1934 return (sys_ioctl(td, (struct ioctl_args *)args)); 1935 1936 case LINUX_SNDCTL_SEQ_NRMIDIS: 1937 args->cmd = SNDCTL_SEQ_NRMIDIS; 1938 return (sys_ioctl(td, (struct ioctl_args *)args)); 1939 1940 case LINUX_SNDCTL_MIDI_INFO: 1941 args->cmd = SNDCTL_MIDI_INFO; 1942 return (sys_ioctl(td, (struct ioctl_args *)args)); 1943 1944 case LINUX_SNDCTL_SEQ_TRESHOLD: 1945 args->cmd = SNDCTL_SEQ_TRESHOLD; 1946 return (sys_ioctl(td, (struct ioctl_args *)args)); 1947 1948 case LINUX_SNDCTL_SYNTH_MEMAVL: 1949 args->cmd = SNDCTL_SYNTH_MEMAVL; 1950 return (sys_ioctl(td, (struct ioctl_args *)args)); 1951 } 1952 1953 return (ENOIOCTL); 1954 } 1955 1956 /* 1957 * Console related ioctls 1958 */ 1959 1960 static int 1961 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1962 { 1963 struct file *fp; 1964 int error; 1965 1966 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1967 if (error != 0) 1968 return (error); 1969 switch (args->cmd & 0xffff) { 1970 case LINUX_KIOCSOUND: 1971 args->cmd = KIOCSOUND; 1972 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1973 break; 1974 1975 case LINUX_KDMKTONE: 1976 args->cmd = KDMKTONE; 1977 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1978 break; 1979 1980 case LINUX_KDGETLED: 1981 args->cmd = KDGETLED; 1982 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1983 break; 1984 1985 case LINUX_KDSETLED: 1986 args->cmd = KDSETLED; 1987 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1988 break; 1989 1990 case LINUX_KDSETMODE: 1991 args->cmd = KDSETMODE; 1992 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1993 break; 1994 1995 case LINUX_KDGETMODE: 1996 args->cmd = KDGETMODE; 1997 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1998 break; 1999 2000 case LINUX_KDGKBMODE: 2001 args->cmd = KDGKBMODE; 2002 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2003 break; 2004 2005 case LINUX_KDSKBMODE: { 2006 int kbdmode; 2007 switch (args->arg) { 2008 case LINUX_KBD_RAW: 2009 kbdmode = K_RAW; 2010 break; 2011 case LINUX_KBD_XLATE: 2012 kbdmode = K_XLATE; 2013 break; 2014 case LINUX_KBD_MEDIUMRAW: 2015 kbdmode = K_RAW; 2016 break; 2017 default: 2018 fdrop(fp, td); 2019 return (EINVAL); 2020 } 2021 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2022 td->td_ucred, td)); 2023 break; 2024 } 2025 2026 case LINUX_VT_OPENQRY: 2027 args->cmd = VT_OPENQRY; 2028 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2029 break; 2030 2031 case LINUX_VT_GETMODE: 2032 args->cmd = VT_GETMODE; 2033 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2034 break; 2035 2036 case LINUX_VT_SETMODE: { 2037 struct vt_mode mode; 2038 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2039 break; 2040 if (LINUX_SIG_VALID(mode.relsig)) 2041 mode.relsig = linux_to_bsd_signal(mode.relsig); 2042 else 2043 mode.relsig = 0; 2044 if (LINUX_SIG_VALID(mode.acqsig)) 2045 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2046 else 2047 mode.acqsig = 0; 2048 /* XXX. Linux ignores frsig and set it to 0. */ 2049 mode.frsig = 0; 2050 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2051 break; 2052 args->cmd = VT_SETMODE; 2053 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2054 break; 2055 } 2056 2057 case LINUX_VT_GETSTATE: 2058 args->cmd = VT_GETACTIVE; 2059 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2060 break; 2061 2062 case LINUX_VT_RELDISP: 2063 args->cmd = VT_RELDISP; 2064 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2065 break; 2066 2067 case LINUX_VT_ACTIVATE: 2068 args->cmd = VT_ACTIVATE; 2069 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2070 break; 2071 2072 case LINUX_VT_WAITACTIVE: 2073 args->cmd = VT_WAITACTIVE; 2074 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2075 break; 2076 2077 default: 2078 error = ENOIOCTL; 2079 break; 2080 } 2081 2082 fdrop(fp, td); 2083 return (error); 2084 } 2085 2086 /* 2087 * Implement the SIOCGIFNAME ioctl 2088 */ 2089 2090 static int 2091 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2092 { 2093 struct l_ifreq ifr; 2094 int error, ret; 2095 2096 error = copyin(uifr, &ifr, sizeof(ifr)); 2097 if (error != 0) 2098 return (error); 2099 ret = ifname_bsd_to_linux_idx(ifr.ifr_index, ifr.ifr_name, 2100 LINUX_IFNAMSIZ); 2101 if (ret > 0) 2102 return (copyout(&ifr, uifr, sizeof(ifr))); 2103 else 2104 return (ENODEV); 2105 } 2106 2107 /* 2108 * Implement the SIOCGIFCONF ioctl 2109 */ 2110 static u_int 2111 linux_ifconf_ifaddr_cb(void *arg, struct ifaddr *ifa, u_int count) 2112 { 2113 #ifdef COMPAT_LINUX32 2114 struct l_ifconf *ifc; 2115 #else 2116 struct ifconf *ifc; 2117 #endif 2118 2119 ifc = arg; 2120 ifc->ifc_len += sizeof(struct l_ifreq); 2121 return (1); 2122 } 2123 2124 static int 2125 linux_ifconf_ifnet_cb(if_t ifp, void *arg) 2126 { 2127 2128 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb, arg); 2129 return (0); 2130 } 2131 2132 struct linux_ifconfig_ifaddr_cb2_s { 2133 struct l_ifreq ifr; 2134 struct sbuf *sb; 2135 size_t max_len; 2136 size_t valid_len; 2137 }; 2138 2139 static u_int 2140 linux_ifconf_ifaddr_cb2(void *arg, struct ifaddr *ifa, u_int len) 2141 { 2142 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg; 2143 struct sockaddr *sa = ifa->ifa_addr; 2144 2145 cbs->ifr.ifr_addr.sa_family = LINUX_AF_INET; 2146 memcpy(cbs->ifr.ifr_addr.sa_data, sa->sa_data, 2147 sizeof(cbs->ifr.ifr_addr.sa_data)); 2148 sbuf_bcat(cbs->sb, &cbs->ifr, sizeof(cbs->ifr)); 2149 cbs->max_len += sizeof(cbs->ifr); 2150 2151 if (sbuf_error(cbs->sb) == 0) 2152 cbs->valid_len = sbuf_len(cbs->sb); 2153 return (1); 2154 } 2155 2156 static int 2157 linux_ifconf_ifnet_cb2(if_t ifp, void *arg) 2158 { 2159 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg; 2160 2161 bzero(&cbs->ifr, sizeof(cbs->ifr)); 2162 ifname_bsd_to_linux_ifp(ifp, cbs->ifr.ifr_name, 2163 sizeof(cbs->ifr.ifr_name)); 2164 2165 /* Walk the address list */ 2166 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb2, cbs); 2167 return (0); 2168 } 2169 2170 static int 2171 linux_ifconf(struct thread *td, struct ifconf *uifc) 2172 { 2173 struct linux_ifconfig_ifaddr_cb2_s cbs; 2174 struct epoch_tracker et; 2175 #ifdef COMPAT_LINUX32 2176 struct l_ifconf ifc; 2177 #else 2178 struct ifconf ifc; 2179 #endif 2180 struct sbuf *sb; 2181 int error, full; 2182 2183 error = copyin(uifc, &ifc, sizeof(ifc)); 2184 if (error != 0) 2185 return (error); 2186 2187 /* handle the 'request buffer size' case */ 2188 if (PTRIN(ifc.ifc_buf) == NULL) { 2189 ifc.ifc_len = 0; 2190 NET_EPOCH_ENTER(et); 2191 if_foreach(linux_ifconf_ifnet_cb, &ifc); 2192 NET_EPOCH_EXIT(et); 2193 return (copyout(&ifc, uifc, sizeof(ifc))); 2194 } 2195 if (ifc.ifc_len <= 0) 2196 return (EINVAL); 2197 2198 full = 0; 2199 cbs.max_len = maxphys - 1; 2200 2201 again: 2202 if (ifc.ifc_len <= cbs.max_len) { 2203 cbs.max_len = ifc.ifc_len; 2204 full = 1; 2205 } 2206 cbs.sb = sb = sbuf_new(NULL, NULL, cbs.max_len + 1, SBUF_FIXEDLEN); 2207 cbs.max_len = 0; 2208 cbs.valid_len = 0; 2209 2210 /* Return all AF_INET addresses of all interfaces */ 2211 NET_EPOCH_ENTER(et); 2212 if_foreach(linux_ifconf_ifnet_cb2, &cbs); 2213 NET_EPOCH_EXIT(et); 2214 2215 if (cbs.valid_len != cbs.max_len && !full) { 2216 sbuf_delete(sb); 2217 goto again; 2218 } 2219 2220 ifc.ifc_len = cbs.valid_len; 2221 sbuf_finish(sb); 2222 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2223 if (error == 0) 2224 error = copyout(&ifc, uifc, sizeof(ifc)); 2225 sbuf_delete(sb); 2226 2227 return (error); 2228 } 2229 2230 static int 2231 linux_ioctl_socket_ifreq(struct thread *td, int fd, u_int cmd, 2232 struct l_ifreq *uifr) 2233 { 2234 struct l_ifreq lifr; 2235 struct ifreq bifr; 2236 size_t ifrusiz; 2237 int error, temp_flags; 2238 2239 switch (cmd) { 2240 case LINUX_SIOCGIFINDEX: 2241 cmd = SIOCGIFINDEX; 2242 break; 2243 case LINUX_SIOCGIFFLAGS: 2244 cmd = SIOCGIFFLAGS; 2245 break; 2246 case LINUX_SIOCGIFADDR: 2247 cmd = SIOCGIFADDR; 2248 break; 2249 case LINUX_SIOCSIFADDR: 2250 cmd = SIOCSIFADDR; 2251 break; 2252 case LINUX_SIOCGIFDSTADDR: 2253 cmd = SIOCGIFDSTADDR; 2254 break; 2255 case LINUX_SIOCGIFBRDADDR: 2256 cmd = SIOCGIFBRDADDR; 2257 break; 2258 case LINUX_SIOCGIFNETMASK: 2259 cmd = SIOCGIFNETMASK; 2260 break; 2261 case LINUX_SIOCSIFNETMASK: 2262 cmd = SIOCSIFNETMASK; 2263 break; 2264 case LINUX_SIOCGIFMTU: 2265 cmd = SIOCGIFMTU; 2266 break; 2267 case LINUX_SIOCSIFMTU: 2268 cmd = SIOCSIFMTU; 2269 break; 2270 case LINUX_SIOCGIFHWADDR: 2271 cmd = SIOCGHWADDR; 2272 break; 2273 /* 2274 * XXX This is slightly bogus, but these ioctls are currently 2275 * XXX only used by the aironet (if_an) network driver. 2276 */ 2277 case LINUX_SIOCDEVPRIVATE: 2278 cmd = SIOCGPRIVATE_0; 2279 break; 2280 case LINUX_SIOCDEVPRIVATE+1: 2281 cmd = SIOCGPRIVATE_1; 2282 break; 2283 default: 2284 return (ENOIOCTL); 2285 } 2286 2287 error = copyin(uifr, &lifr, sizeof(lifr)); 2288 if (error != 0) 2289 return (error); 2290 bzero(&bifr, sizeof(bifr)); 2291 2292 /* 2293 * The size of Linux enum ifr_ifru is bigger than 2294 * the FreeBSD size due to the struct ifmap. 2295 */ 2296 ifrusiz = (sizeof(lifr) > sizeof(bifr) ? sizeof(bifr) : 2297 sizeof(lifr)) - offsetof(struct l_ifreq, ifr_ifru); 2298 bcopy(&lifr.ifr_ifru, &bifr.ifr_ifru, ifrusiz); 2299 2300 error = ifname_linux_to_bsd(td, lifr.ifr_name, bifr.ifr_name); 2301 if (error != 0) 2302 return (error); 2303 2304 /* Translate in values. */ 2305 switch (cmd) { 2306 case SIOCGIFINDEX: 2307 bifr.ifr_index = lifr.ifr_index; 2308 break; 2309 case SIOCSIFADDR: 2310 case SIOCSIFNETMASK: 2311 bifr.ifr_addr.sa_len = sizeof(struct sockaddr); 2312 bifr.ifr_addr.sa_family = 2313 linux_to_bsd_domain(lifr.ifr_addr.sa_family); 2314 break; 2315 default: 2316 break; 2317 } 2318 2319 error = kern_ioctl(td, fd, cmd, (caddr_t)&bifr); 2320 if (error != 0) 2321 return (error); 2322 bzero(&lifr.ifr_ifru, sizeof(lifr.ifr_ifru)); 2323 2324 /* Translate out values. */ 2325 switch (cmd) { 2326 case SIOCGIFINDEX: 2327 lifr.ifr_index = bifr.ifr_index; 2328 break; 2329 case SIOCGIFFLAGS: 2330 temp_flags = bifr.ifr_flags | (bifr.ifr_flagshigh << 16); 2331 lifr.ifr_flags = bsd_to_linux_ifflags(temp_flags); 2332 break; 2333 case SIOCGIFADDR: 2334 case SIOCSIFADDR: 2335 case SIOCGIFDSTADDR: 2336 case SIOCGIFBRDADDR: 2337 case SIOCGIFNETMASK: 2338 bcopy(&bifr.ifr_addr, &lifr.ifr_addr, sizeof(bifr.ifr_addr)); 2339 lifr.ifr_addr.sa_family = 2340 bsd_to_linux_domain(bifr.ifr_addr.sa_family); 2341 break; 2342 case SIOCGHWADDR: 2343 bcopy(&bifr.ifr_addr, &lifr.ifr_hwaddr, sizeof(bifr.ifr_addr)); 2344 lifr.ifr_hwaddr.sa_family = LINUX_ARPHRD_ETHER; 2345 break; 2346 default: 2347 bcopy(&bifr.ifr_ifru, &lifr.ifr_ifru, ifrusiz); 2348 break; 2349 } 2350 2351 return (copyout(&lifr, uifr, sizeof(lifr))); 2352 } 2353 2354 /* 2355 * Socket related ioctls 2356 */ 2357 2358 static int 2359 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2360 { 2361 struct file *fp; 2362 int error, type; 2363 2364 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2365 if (error != 0) 2366 return (error); 2367 type = fp->f_type; 2368 fdrop(fp, td); 2369 2370 CURVNET_SET(TD_TO_VNET(td)); 2371 2372 if (type != DTYPE_SOCKET) { 2373 /* not a socket - probably a tap / vmnet device */ 2374 switch (args->cmd) { 2375 case LINUX_SIOCGIFADDR: 2376 case LINUX_SIOCSIFADDR: 2377 case LINUX_SIOCGIFFLAGS: 2378 error = linux_ioctl_special(td, args); 2379 break; 2380 default: 2381 error = ENOIOCTL; 2382 break; 2383 } 2384 CURVNET_RESTORE(); 2385 return (error); 2386 } 2387 2388 switch (args->cmd) { 2389 case LINUX_FIOSETOWN: 2390 args->cmd = FIOSETOWN; 2391 error = sys_ioctl(td, (struct ioctl_args *)args); 2392 break; 2393 2394 case LINUX_SIOCSPGRP: 2395 args->cmd = SIOCSPGRP; 2396 error = sys_ioctl(td, (struct ioctl_args *)args); 2397 break; 2398 2399 case LINUX_FIOGETOWN: 2400 args->cmd = FIOGETOWN; 2401 error = sys_ioctl(td, (struct ioctl_args *)args); 2402 break; 2403 2404 case LINUX_SIOCGPGRP: 2405 args->cmd = SIOCGPGRP; 2406 error = sys_ioctl(td, (struct ioctl_args *)args); 2407 break; 2408 2409 case LINUX_SIOCATMARK: 2410 args->cmd = SIOCATMARK; 2411 error = sys_ioctl(td, (struct ioctl_args *)args); 2412 break; 2413 2414 /* LINUX_SIOCGSTAMP */ 2415 2416 case LINUX_SIOCGIFNAME: 2417 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2418 break; 2419 2420 case LINUX_SIOCGIFCONF: 2421 error = linux_ifconf(td, (struct ifconf *)args->arg); 2422 break; 2423 2424 case LINUX_SIOCADDMULTI: 2425 args->cmd = SIOCADDMULTI; 2426 error = sys_ioctl(td, (struct ioctl_args *)args); 2427 break; 2428 2429 case LINUX_SIOCDELMULTI: 2430 args->cmd = SIOCDELMULTI; 2431 error = sys_ioctl(td, (struct ioctl_args *)args); 2432 break; 2433 2434 case LINUX_SIOCGIFCOUNT: 2435 error = 0; 2436 break; 2437 2438 default: 2439 error = linux_ioctl_socket_ifreq(td, args->fd, args->cmd, 2440 PTRIN(args->arg)); 2441 break; 2442 } 2443 2444 CURVNET_RESTORE(); 2445 return (error); 2446 } 2447 2448 /* 2449 * Device private ioctl handler 2450 */ 2451 static int 2452 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2453 { 2454 struct file *fp; 2455 int error, type; 2456 2457 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2458 if (error != 0) 2459 return (error); 2460 type = fp->f_type; 2461 fdrop(fp, td); 2462 if (type == DTYPE_SOCKET) 2463 return (linux_ioctl_socket(td, args)); 2464 return (ENOIOCTL); 2465 } 2466 2467 /* 2468 * DRM ioctl handler (sys/dev/drm) 2469 */ 2470 static int 2471 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2472 { 2473 args->cmd = SETDIR(args->cmd); 2474 return (sys_ioctl(td, (struct ioctl_args *)args)); 2475 } 2476 2477 #ifdef COMPAT_LINUX32 2478 static int 2479 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2480 { 2481 struct sg_io_hdr io; 2482 struct sg_io_hdr32 io32; 2483 struct file *fp; 2484 int error; 2485 2486 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2487 if (error != 0) { 2488 printf("sg_linux_ioctl: fget returned %d\n", error); 2489 return (error); 2490 } 2491 2492 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2493 goto out; 2494 2495 CP(io32, io, interface_id); 2496 CP(io32, io, dxfer_direction); 2497 CP(io32, io, cmd_len); 2498 CP(io32, io, mx_sb_len); 2499 CP(io32, io, iovec_count); 2500 CP(io32, io, dxfer_len); 2501 PTRIN_CP(io32, io, dxferp); 2502 PTRIN_CP(io32, io, cmdp); 2503 PTRIN_CP(io32, io, sbp); 2504 CP(io32, io, timeout); 2505 CP(io32, io, flags); 2506 CP(io32, io, pack_id); 2507 PTRIN_CP(io32, io, usr_ptr); 2508 CP(io32, io, status); 2509 CP(io32, io, masked_status); 2510 CP(io32, io, msg_status); 2511 CP(io32, io, sb_len_wr); 2512 CP(io32, io, host_status); 2513 CP(io32, io, driver_status); 2514 CP(io32, io, resid); 2515 CP(io32, io, duration); 2516 CP(io32, io, info); 2517 2518 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2519 goto out; 2520 2521 CP(io, io32, interface_id); 2522 CP(io, io32, dxfer_direction); 2523 CP(io, io32, cmd_len); 2524 CP(io, io32, mx_sb_len); 2525 CP(io, io32, iovec_count); 2526 CP(io, io32, dxfer_len); 2527 PTROUT_CP(io, io32, dxferp); 2528 PTROUT_CP(io, io32, cmdp); 2529 PTROUT_CP(io, io32, sbp); 2530 CP(io, io32, timeout); 2531 CP(io, io32, flags); 2532 CP(io, io32, pack_id); 2533 PTROUT_CP(io, io32, usr_ptr); 2534 CP(io, io32, status); 2535 CP(io, io32, masked_status); 2536 CP(io, io32, msg_status); 2537 CP(io, io32, sb_len_wr); 2538 CP(io, io32, host_status); 2539 CP(io, io32, driver_status); 2540 CP(io, io32, resid); 2541 CP(io, io32, duration); 2542 CP(io, io32, info); 2543 2544 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2545 2546 out: 2547 fdrop(fp, td); 2548 return (error); 2549 } 2550 #endif 2551 2552 static int 2553 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2554 { 2555 2556 switch (args->cmd) { 2557 case LINUX_SG_GET_VERSION_NUM: 2558 args->cmd = SG_GET_VERSION_NUM; 2559 break; 2560 case LINUX_SG_SET_TIMEOUT: 2561 args->cmd = SG_SET_TIMEOUT; 2562 break; 2563 case LINUX_SG_GET_TIMEOUT: 2564 args->cmd = SG_GET_TIMEOUT; 2565 break; 2566 case LINUX_SG_IO: 2567 args->cmd = SG_IO; 2568 #ifdef COMPAT_LINUX32 2569 return (linux_ioctl_sg_io(td, args)); 2570 #endif 2571 break; 2572 case LINUX_SG_GET_RESERVED_SIZE: 2573 args->cmd = SG_GET_RESERVED_SIZE; 2574 break; 2575 case LINUX_SG_GET_SCSI_ID: 2576 args->cmd = SG_GET_SCSI_ID; 2577 break; 2578 case LINUX_SG_GET_SG_TABLESIZE: 2579 args->cmd = SG_GET_SG_TABLESIZE; 2580 break; 2581 default: 2582 return (ENODEV); 2583 } 2584 return (sys_ioctl(td, (struct ioctl_args *)args)); 2585 } 2586 2587 /* 2588 * Video4Linux (V4L) ioctl handler 2589 */ 2590 static int 2591 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2592 { 2593 vt->tuner = lvt->tuner; 2594 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2595 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2596 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2597 vt->flags = lvt->flags; 2598 vt->mode = lvt->mode; 2599 vt->signal = lvt->signal; 2600 return (0); 2601 } 2602 2603 static int 2604 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2605 { 2606 lvt->tuner = vt->tuner; 2607 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2608 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2609 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2610 lvt->flags = vt->flags; 2611 lvt->mode = vt->mode; 2612 lvt->signal = vt->signal; 2613 return (0); 2614 } 2615 2616 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2617 static int 2618 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2619 { 2620 vc->x = lvc->x; 2621 vc->y = lvc->y; 2622 vc->width = lvc->width; 2623 vc->height = lvc->height; 2624 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2625 return (0); 2626 } 2627 #endif 2628 2629 static int 2630 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2631 { 2632 vw->x = lvw->x; 2633 vw->y = lvw->y; 2634 vw->width = lvw->width; 2635 vw->height = lvw->height; 2636 vw->chromakey = lvw->chromakey; 2637 vw->flags = lvw->flags; 2638 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2639 vw->clipcount = lvw->clipcount; 2640 return (0); 2641 } 2642 2643 static int 2644 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2645 { 2646 memset(lvw, 0, sizeof(*lvw)); 2647 2648 lvw->x = vw->x; 2649 lvw->y = vw->y; 2650 lvw->width = vw->width; 2651 lvw->height = vw->height; 2652 lvw->chromakey = vw->chromakey; 2653 lvw->flags = vw->flags; 2654 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2655 lvw->clipcount = vw->clipcount; 2656 return (0); 2657 } 2658 2659 static int 2660 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2661 { 2662 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2663 vb->height = lvb->height; 2664 vb->width = lvb->width; 2665 vb->depth = lvb->depth; 2666 vb->bytesperline = lvb->bytesperline; 2667 return (0); 2668 } 2669 2670 static int 2671 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2672 { 2673 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2674 lvb->height = vb->height; 2675 lvb->width = vb->width; 2676 lvb->depth = vb->depth; 2677 lvb->bytesperline = vb->bytesperline; 2678 return (0); 2679 } 2680 2681 static int 2682 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2683 { 2684 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2685 vc->datasize = lvc->datasize; 2686 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2687 return (0); 2688 } 2689 2690 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2691 static int 2692 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2693 { 2694 int error; 2695 struct video_clip vclip; 2696 struct l_video_clip l_vclip; 2697 2698 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2699 if (error) return (error); 2700 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2701 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2702 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2703 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2704 memcpy(*ppvc, &vclip, sizeof(vclip)); 2705 (*ppvc)->next = NULL; 2706 return (0); 2707 } 2708 2709 static int 2710 linux_v4l_cliplist_free(struct video_window *vw) 2711 { 2712 struct video_clip **ppvc; 2713 struct video_clip **ppvc_next; 2714 2715 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2716 ppvc_next = &((*ppvc)->next); 2717 free(*ppvc, M_LINUX); 2718 } 2719 vw->clips = NULL; 2720 2721 return (0); 2722 } 2723 2724 static int 2725 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2726 { 2727 int error; 2728 int clipcount; 2729 void *plvc; 2730 struct video_clip **ppvc; 2731 2732 /* 2733 * XXX: The cliplist is used to pass in a list of clipping 2734 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2735 * clipping bitmap. Some Linux apps, however, appear to 2736 * leave cliplist and clips uninitialized. In any case, 2737 * the cliplist is not used by pwc(4), at the time of 2738 * writing, FreeBSD's only V4L driver. When a driver 2739 * that uses the cliplist is developed, this code may 2740 * need re-examiniation. 2741 */ 2742 error = 0; 2743 clipcount = vw->clipcount; 2744 if (clipcount == VIDEO_CLIP_BITMAP) { 2745 /* 2746 * In this case, the pointer (clips) is overloaded 2747 * to be a "void *" to a bitmap, therefore there 2748 * is no struct video_clip to copy now. 2749 */ 2750 } else if (clipcount > 0 && clipcount <= 16384) { 2751 /* 2752 * Clips points to list of clip rectangles, so 2753 * copy the list. 2754 * 2755 * XXX: Upper limit of 16384 was used here to try to 2756 * avoid cases when clipcount and clips pointer 2757 * are uninitialized and therefore have high random 2758 * values, as is the case in the Linux Skype 2759 * application. The value 16384 was chosen as that 2760 * is what is used in the Linux stradis(4) MPEG 2761 * decoder driver, the only place we found an 2762 * example of cliplist use. 2763 */ 2764 plvc = PTRIN(lvw->clips); 2765 vw->clips = NULL; 2766 ppvc = &(vw->clips); 2767 while (clipcount-- > 0) { 2768 if (plvc == NULL) { 2769 error = EFAULT; 2770 break; 2771 } else { 2772 error = linux_v4l_clip_copy(plvc, ppvc); 2773 if (error) { 2774 linux_v4l_cliplist_free(vw); 2775 break; 2776 } 2777 } 2778 ppvc = &((*ppvc)->next); 2779 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2780 } 2781 } else { 2782 /* 2783 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2784 * Force cliplist to null. 2785 */ 2786 vw->clipcount = 0; 2787 vw->clips = NULL; 2788 } 2789 return (error); 2790 } 2791 #endif 2792 2793 static int 2794 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2795 { 2796 struct file *fp; 2797 int error; 2798 struct video_tuner vtun; 2799 struct video_window vwin; 2800 struct video_buffer vbuf; 2801 struct video_code vcode; 2802 struct l_video_tuner l_vtun; 2803 struct l_video_window l_vwin; 2804 struct l_video_buffer l_vbuf; 2805 struct l_video_code l_vcode; 2806 2807 switch (args->cmd & 0xffff) { 2808 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2809 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2810 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2811 2812 case LINUX_VIDIOCGTUNER: 2813 error = fget(td, args->fd, 2814 &cap_ioctl_rights, &fp); 2815 if (error != 0) 2816 return (error); 2817 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2818 if (error) { 2819 fdrop(fp, td); 2820 return (error); 2821 } 2822 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2823 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2824 if (!error) { 2825 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2826 error = copyout(&l_vtun, (void *) args->arg, 2827 sizeof(l_vtun)); 2828 } 2829 fdrop(fp, td); 2830 return (error); 2831 2832 case LINUX_VIDIOCSTUNER: 2833 error = fget(td, args->fd, 2834 &cap_ioctl_rights, &fp); 2835 if (error != 0) 2836 return (error); 2837 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2838 if (error) { 2839 fdrop(fp, td); 2840 return (error); 2841 } 2842 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2843 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2844 fdrop(fp, td); 2845 return (error); 2846 2847 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2848 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2849 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2850 2851 case LINUX_VIDIOCGWIN: 2852 error = fget(td, args->fd, 2853 &cap_ioctl_rights, &fp); 2854 if (error != 0) 2855 return (error); 2856 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2857 if (!error) { 2858 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2859 error = copyout(&l_vwin, (void *) args->arg, 2860 sizeof(l_vwin)); 2861 } 2862 fdrop(fp, td); 2863 return (error); 2864 2865 case LINUX_VIDIOCSWIN: 2866 error = fget(td, args->fd, 2867 &cap_ioctl_rights, &fp); 2868 if (error != 0) 2869 return (error); 2870 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2871 if (error) { 2872 fdrop(fp, td); 2873 return (error); 2874 } 2875 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2876 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2877 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2878 if (error) { 2879 fdrop(fp, td); 2880 return (error); 2881 } 2882 #endif 2883 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2884 fdrop(fp, td); 2885 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2886 linux_v4l_cliplist_free(&vwin); 2887 #endif 2888 return (error); 2889 2890 case LINUX_VIDIOCGFBUF: 2891 error = fget(td, args->fd, 2892 &cap_ioctl_rights, &fp); 2893 if (error != 0) 2894 return (error); 2895 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2896 if (!error) { 2897 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2898 error = copyout(&l_vbuf, (void *) args->arg, 2899 sizeof(l_vbuf)); 2900 } 2901 fdrop(fp, td); 2902 return (error); 2903 2904 case LINUX_VIDIOCSFBUF: 2905 error = fget(td, args->fd, 2906 &cap_ioctl_rights, &fp); 2907 if (error != 0) 2908 return (error); 2909 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2910 if (error) { 2911 fdrop(fp, td); 2912 return (error); 2913 } 2914 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2915 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2916 fdrop(fp, td); 2917 return (error); 2918 2919 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2920 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2921 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2922 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2923 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2924 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2925 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2926 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2927 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2928 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 2929 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 2930 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 2931 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 2932 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 2933 2934 case LINUX_VIDIOCSMICROCODE: 2935 error = fget(td, args->fd, 2936 &cap_ioctl_rights, &fp); 2937 if (error != 0) 2938 return (error); 2939 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 2940 if (error) { 2941 fdrop(fp, td); 2942 return (error); 2943 } 2944 linux_to_bsd_v4l_code(&l_vcode, &vcode); 2945 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 2946 fdrop(fp, td); 2947 return (error); 2948 2949 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 2950 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 2951 default: return (ENOIOCTL); 2952 } 2953 2954 error = sys_ioctl(td, (struct ioctl_args *)args); 2955 return (error); 2956 } 2957 2958 /* 2959 * Special ioctl handler 2960 */ 2961 static int 2962 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2963 { 2964 int error; 2965 2966 switch (args->cmd) { 2967 case LINUX_SIOCGIFADDR: 2968 args->cmd = SIOCGIFADDR; 2969 error = sys_ioctl(td, (struct ioctl_args *)args); 2970 break; 2971 case LINUX_SIOCSIFADDR: 2972 args->cmd = SIOCSIFADDR; 2973 error = sys_ioctl(td, (struct ioctl_args *)args); 2974 break; 2975 case LINUX_SIOCGIFFLAGS: 2976 args->cmd = SIOCGIFFLAGS; 2977 error = sys_ioctl(td, (struct ioctl_args *)args); 2978 break; 2979 default: 2980 error = ENOIOCTL; 2981 } 2982 2983 return (error); 2984 } 2985 2986 static int 2987 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 2988 { 2989 vstd->index = lvstd->index; 2990 vstd->id = lvstd->id; 2991 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 2992 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 2993 vstd->frameperiod = lvstd->frameperiod; 2994 vstd->framelines = lvstd->framelines; 2995 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 2996 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 2997 return (0); 2998 } 2999 3000 static int 3001 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3002 { 3003 lvstd->index = vstd->index; 3004 lvstd->id = vstd->id; 3005 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3006 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3007 lvstd->frameperiod = vstd->frameperiod; 3008 lvstd->framelines = vstd->framelines; 3009 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3010 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3011 return (0); 3012 } 3013 3014 static int 3015 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3016 { 3017 vb->index = lvb->index; 3018 vb->type = lvb->type; 3019 vb->bytesused = lvb->bytesused; 3020 vb->flags = lvb->flags; 3021 vb->field = lvb->field; 3022 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3023 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3024 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3025 vb->sequence = lvb->sequence; 3026 vb->memory = lvb->memory; 3027 if (lvb->memory == V4L2_MEMORY_USERPTR) 3028 /* possible pointer size conversion */ 3029 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3030 else 3031 vb->m.offset = lvb->m.offset; 3032 vb->length = lvb->length; 3033 vb->input = lvb->input; 3034 vb->reserved = lvb->reserved; 3035 return (0); 3036 } 3037 3038 static int 3039 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3040 { 3041 lvb->index = vb->index; 3042 lvb->type = vb->type; 3043 lvb->bytesused = vb->bytesused; 3044 lvb->flags = vb->flags; 3045 lvb->field = vb->field; 3046 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3047 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3048 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3049 lvb->sequence = vb->sequence; 3050 lvb->memory = vb->memory; 3051 if (vb->memory == V4L2_MEMORY_USERPTR) 3052 /* possible pointer size conversion */ 3053 lvb->m.userptr = PTROUT(vb->m.userptr); 3054 else 3055 lvb->m.offset = vb->m.offset; 3056 lvb->length = vb->length; 3057 lvb->input = vb->input; 3058 lvb->reserved = vb->reserved; 3059 return (0); 3060 } 3061 3062 static int 3063 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3064 { 3065 vf->type = lvf->type; 3066 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3067 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3068 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3069 #endif 3070 ) 3071 /* 3072 * XXX TODO - needs 32 -> 64 bit conversion: 3073 * (unused by webcams?) 3074 */ 3075 return (EINVAL); 3076 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3077 return (0); 3078 } 3079 3080 static int 3081 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3082 { 3083 lvf->type = vf->type; 3084 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3085 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3086 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3087 #endif 3088 ) 3089 /* 3090 * XXX TODO - needs 32 -> 64 bit conversion: 3091 * (unused by webcams?) 3092 */ 3093 return (EINVAL); 3094 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3095 return (0); 3096 } 3097 static int 3098 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3099 { 3100 struct file *fp; 3101 int error; 3102 struct v4l2_format vformat; 3103 struct l_v4l2_format l_vformat; 3104 struct v4l2_standard vstd; 3105 struct l_v4l2_standard l_vstd; 3106 struct l_v4l2_buffer l_vbuf; 3107 struct v4l2_buffer vbuf; 3108 struct v4l2_input vinp; 3109 3110 switch (args->cmd & 0xffff) { 3111 case LINUX_VIDIOC_RESERVED: 3112 case LINUX_VIDIOC_LOG_STATUS: 3113 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3114 return (ENOIOCTL); 3115 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3116 break; 3117 3118 case LINUX_VIDIOC_OVERLAY: 3119 case LINUX_VIDIOC_STREAMON: 3120 case LINUX_VIDIOC_STREAMOFF: 3121 case LINUX_VIDIOC_S_STD: 3122 case LINUX_VIDIOC_S_TUNER: 3123 case LINUX_VIDIOC_S_AUDIO: 3124 case LINUX_VIDIOC_S_AUDOUT: 3125 case LINUX_VIDIOC_S_MODULATOR: 3126 case LINUX_VIDIOC_S_FREQUENCY: 3127 case LINUX_VIDIOC_S_CROP: 3128 case LINUX_VIDIOC_S_JPEGCOMP: 3129 case LINUX_VIDIOC_S_PRIORITY: 3130 case LINUX_VIDIOC_DBG_S_REGISTER: 3131 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3132 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3133 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3134 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3135 break; 3136 3137 case LINUX_VIDIOC_QUERYCAP: 3138 case LINUX_VIDIOC_G_STD: 3139 case LINUX_VIDIOC_G_AUDIO: 3140 case LINUX_VIDIOC_G_INPUT: 3141 case LINUX_VIDIOC_G_OUTPUT: 3142 case LINUX_VIDIOC_G_AUDOUT: 3143 case LINUX_VIDIOC_G_JPEGCOMP: 3144 case LINUX_VIDIOC_QUERYSTD: 3145 case LINUX_VIDIOC_G_PRIORITY: 3146 case LINUX_VIDIOC_QUERY_DV_PRESET: 3147 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3148 break; 3149 3150 case LINUX_VIDIOC_ENUM_FMT: 3151 case LINUX_VIDIOC_REQBUFS: 3152 case LINUX_VIDIOC_G_PARM: 3153 case LINUX_VIDIOC_S_PARM: 3154 case LINUX_VIDIOC_G_CTRL: 3155 case LINUX_VIDIOC_S_CTRL: 3156 case LINUX_VIDIOC_G_TUNER: 3157 case LINUX_VIDIOC_QUERYCTRL: 3158 case LINUX_VIDIOC_QUERYMENU: 3159 case LINUX_VIDIOC_S_INPUT: 3160 case LINUX_VIDIOC_S_OUTPUT: 3161 case LINUX_VIDIOC_ENUMOUTPUT: 3162 case LINUX_VIDIOC_G_MODULATOR: 3163 case LINUX_VIDIOC_G_FREQUENCY: 3164 case LINUX_VIDIOC_CROPCAP: 3165 case LINUX_VIDIOC_G_CROP: 3166 case LINUX_VIDIOC_ENUMAUDIO: 3167 case LINUX_VIDIOC_ENUMAUDOUT: 3168 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3169 #ifdef VIDIOC_ENUM_FRAMESIZES 3170 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3171 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3172 case LINUX_VIDIOC_ENCODER_CMD: 3173 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3174 #endif 3175 case LINUX_VIDIOC_DBG_G_REGISTER: 3176 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3177 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3178 case LINUX_VIDIOC_S_DV_PRESET: 3179 case LINUX_VIDIOC_G_DV_PRESET: 3180 case LINUX_VIDIOC_S_DV_TIMINGS: 3181 case LINUX_VIDIOC_G_DV_TIMINGS: 3182 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3183 break; 3184 3185 case LINUX_VIDIOC_G_FMT: 3186 case LINUX_VIDIOC_S_FMT: 3187 case LINUX_VIDIOC_TRY_FMT: 3188 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3189 if (error) 3190 return (error); 3191 error = fget(td, args->fd, 3192 &cap_ioctl_rights, &fp); 3193 if (error) 3194 return (error); 3195 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3196 error = EINVAL; 3197 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3198 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3199 td->td_ucred, td); 3200 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3201 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3202 td->td_ucred, td); 3203 else 3204 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3205 td->td_ucred, td); 3206 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3207 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3208 fdrop(fp, td); 3209 return (error); 3210 3211 case LINUX_VIDIOC_ENUMSTD: 3212 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3213 if (error) 3214 return (error); 3215 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3216 error = fget(td, args->fd, 3217 &cap_ioctl_rights, &fp); 3218 if (error) 3219 return (error); 3220 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3221 td->td_ucred, td); 3222 if (error) { 3223 fdrop(fp, td); 3224 return (error); 3225 } 3226 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3227 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3228 fdrop(fp, td); 3229 return (error); 3230 3231 case LINUX_VIDIOC_ENUMINPUT: 3232 /* 3233 * The Linux struct l_v4l2_input differs only in size, 3234 * it has no padding at the end. 3235 */ 3236 error = copyin((void *)args->arg, &vinp, 3237 sizeof(struct l_v4l2_input)); 3238 if (error != 0) 3239 return (error); 3240 error = fget(td, args->fd, 3241 &cap_ioctl_rights, &fp); 3242 if (error != 0) 3243 return (error); 3244 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3245 td->td_ucred, td); 3246 if (error) { 3247 fdrop(fp, td); 3248 return (error); 3249 } 3250 error = copyout(&vinp, (void *)args->arg, 3251 sizeof(struct l_v4l2_input)); 3252 fdrop(fp, td); 3253 return (error); 3254 3255 case LINUX_VIDIOC_QUERYBUF: 3256 case LINUX_VIDIOC_QBUF: 3257 case LINUX_VIDIOC_DQBUF: 3258 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3259 if (error) 3260 return (error); 3261 error = fget(td, args->fd, 3262 &cap_ioctl_rights, &fp); 3263 if (error) 3264 return (error); 3265 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3266 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3267 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3268 td->td_ucred, td); 3269 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3270 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3271 td->td_ucred, td); 3272 else 3273 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3274 td->td_ucred, td); 3275 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3276 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3277 fdrop(fp, td); 3278 return (error); 3279 3280 /* 3281 * XXX TODO - these need 32 -> 64 bit conversion: 3282 * (are any of them needed for webcams?) 3283 */ 3284 case LINUX_VIDIOC_G_FBUF: 3285 case LINUX_VIDIOC_S_FBUF: 3286 3287 case LINUX_VIDIOC_G_EXT_CTRLS: 3288 case LINUX_VIDIOC_S_EXT_CTRLS: 3289 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3290 3291 case LINUX_VIDIOC_DQEVENT: 3292 3293 default: return (ENOIOCTL); 3294 } 3295 3296 error = sys_ioctl(td, (struct ioctl_args *)args); 3297 return (error); 3298 } 3299 3300 /* 3301 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3302 * instead of USB* ones. This lets us to provide correct values for cmd. 3303 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3304 */ 3305 static int 3306 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3307 { 3308 int error; 3309 3310 error = 0; 3311 switch (args->cmd) { 3312 case FBSD_LUSB_DEVICEENUMERATE: 3313 args->cmd = USB_DEVICEENUMERATE; 3314 break; 3315 case FBSD_LUSB_DEV_QUIRK_ADD: 3316 args->cmd = USB_DEV_QUIRK_ADD; 3317 break; 3318 case FBSD_LUSB_DEV_QUIRK_GET: 3319 args->cmd = USB_DEV_QUIRK_GET; 3320 break; 3321 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3322 args->cmd = USB_DEV_QUIRK_REMOVE; 3323 break; 3324 case FBSD_LUSB_DO_REQUEST: 3325 args->cmd = USB_DO_REQUEST; 3326 break; 3327 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3328 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3329 break; 3330 case FBSD_LUSB_FS_CLOSE: 3331 args->cmd = USB_FS_CLOSE; 3332 break; 3333 case FBSD_LUSB_FS_COMPLETE: 3334 args->cmd = USB_FS_COMPLETE; 3335 break; 3336 case FBSD_LUSB_FS_INIT: 3337 args->cmd = USB_FS_INIT; 3338 break; 3339 case FBSD_LUSB_FS_OPEN: 3340 args->cmd = USB_FS_OPEN; 3341 break; 3342 case FBSD_LUSB_FS_START: 3343 args->cmd = USB_FS_START; 3344 break; 3345 case FBSD_LUSB_FS_STOP: 3346 args->cmd = USB_FS_STOP; 3347 break; 3348 case FBSD_LUSB_FS_UNINIT: 3349 args->cmd = USB_FS_UNINIT; 3350 break; 3351 case FBSD_LUSB_GET_CONFIG: 3352 args->cmd = USB_GET_CONFIG; 3353 break; 3354 case FBSD_LUSB_GET_DEVICEINFO: 3355 args->cmd = USB_GET_DEVICEINFO; 3356 break; 3357 case FBSD_LUSB_GET_DEVICE_DESC: 3358 args->cmd = USB_GET_DEVICE_DESC; 3359 break; 3360 case FBSD_LUSB_GET_FULL_DESC: 3361 args->cmd = USB_GET_FULL_DESC; 3362 break; 3363 case FBSD_LUSB_GET_IFACE_DRIVER: 3364 args->cmd = USB_GET_IFACE_DRIVER; 3365 break; 3366 case FBSD_LUSB_GET_PLUGTIME: 3367 args->cmd = USB_GET_PLUGTIME; 3368 break; 3369 case FBSD_LUSB_GET_POWER_MODE: 3370 args->cmd = USB_GET_POWER_MODE; 3371 break; 3372 case FBSD_LUSB_GET_REPORT_DESC: 3373 args->cmd = USB_GET_REPORT_DESC; 3374 break; 3375 case FBSD_LUSB_GET_REPORT_ID: 3376 args->cmd = USB_GET_REPORT_ID; 3377 break; 3378 case FBSD_LUSB_GET_TEMPLATE: 3379 args->cmd = USB_GET_TEMPLATE; 3380 break; 3381 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3382 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3383 break; 3384 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3385 args->cmd = USB_IFACE_DRIVER_DETACH; 3386 break; 3387 case FBSD_LUSB_QUIRK_NAME_GET: 3388 args->cmd = USB_QUIRK_NAME_GET; 3389 break; 3390 case FBSD_LUSB_READ_DIR: 3391 args->cmd = USB_READ_DIR; 3392 break; 3393 case FBSD_LUSB_SET_ALTINTERFACE: 3394 args->cmd = USB_SET_ALTINTERFACE; 3395 break; 3396 case FBSD_LUSB_SET_CONFIG: 3397 args->cmd = USB_SET_CONFIG; 3398 break; 3399 case FBSD_LUSB_SET_IMMED: 3400 args->cmd = USB_SET_IMMED; 3401 break; 3402 case FBSD_LUSB_SET_POWER_MODE: 3403 args->cmd = USB_SET_POWER_MODE; 3404 break; 3405 case FBSD_LUSB_SET_TEMPLATE: 3406 args->cmd = USB_SET_TEMPLATE; 3407 break; 3408 case FBSD_LUSB_FS_OPEN_STREAM: 3409 args->cmd = USB_FS_OPEN_STREAM; 3410 break; 3411 case FBSD_LUSB_GET_DEV_PORT_PATH: 3412 args->cmd = USB_GET_DEV_PORT_PATH; 3413 break; 3414 case FBSD_LUSB_GET_POWER_USAGE: 3415 args->cmd = USB_GET_POWER_USAGE; 3416 break; 3417 case FBSD_LUSB_DEVICESTATS: 3418 args->cmd = USB_DEVICESTATS; 3419 break; 3420 default: 3421 error = ENOIOCTL; 3422 } 3423 if (error != ENOIOCTL) 3424 error = sys_ioctl(td, (struct ioctl_args *)args); 3425 return (error); 3426 } 3427 3428 /* 3429 * Some evdev ioctls must be translated. 3430 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3431 * (must be IOC_INOUT on FreeBSD). 3432 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3433 * an int argument. You don't pass an int pointer to the ioctl(), however, 3434 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3435 * this to work. 3436 */ 3437 static int 3438 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3439 { 3440 struct file *fp; 3441 clockid_t clock; 3442 int error; 3443 3444 args->cmd = SETDIR(args->cmd); 3445 3446 switch (args->cmd) { 3447 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3448 args->cmd = EVIOCGRAB; 3449 break; 3450 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3451 args->cmd = EVIOCREVOKE; 3452 break; 3453 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3454 args->cmd = EVIOCRMFF; 3455 break; 3456 case EVIOCSCLOCKID: { 3457 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3458 if (error != 0) 3459 return (error); 3460 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3461 return (EINVAL); 3462 error = linux_to_native_clockid(&clock, clock); 3463 if (error != 0) 3464 return (error); 3465 3466 error = fget(td, args->fd, 3467 &cap_ioctl_rights, &fp); 3468 if (error != 0) 3469 return (error); 3470 3471 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3472 fdrop(fp, td); 3473 return (error); 3474 } 3475 default: 3476 break; 3477 } 3478 3479 if (IOCBASECMD(args->cmd) == 3480 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3481 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3482 3483 return (sys_ioctl(td, (struct ioctl_args *)args)); 3484 } 3485 3486 static int 3487 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3488 { 3489 int error; 3490 3491 error = 0; 3492 switch (args->cmd & 0xffff) { 3493 case LINUX_KCOV_INIT_TRACE: 3494 args->cmd = KIOSETBUFSIZE; 3495 break; 3496 case LINUX_KCOV_ENABLE: 3497 args->cmd = KIOENABLE; 3498 if (args->arg == 0) 3499 args->arg = KCOV_MODE_TRACE_PC; 3500 else if (args->arg == 1) 3501 args->arg = KCOV_MODE_TRACE_CMP; 3502 else 3503 error = EINVAL; 3504 break; 3505 case LINUX_KCOV_DISABLE: 3506 args->cmd = KIODISABLE; 3507 break; 3508 default: 3509 error = ENOTTY; 3510 break; 3511 } 3512 3513 if (error == 0) 3514 error = sys_ioctl(td, (struct ioctl_args *)args); 3515 return (error); 3516 } 3517 3518 /* 3519 * main ioctl syscall function 3520 */ 3521 3522 static int 3523 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3524 { 3525 struct file *fp; 3526 struct linux_ioctl_handler_element *he; 3527 int error, cmd; 3528 3529 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3530 if (error != 0) 3531 return (error); 3532 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3533 fdrop(fp, td); 3534 return (EBADF); 3535 } 3536 3537 /* Iterate over the ioctl handlers */ 3538 cmd = args->cmd & 0xffff; 3539 sx_slock(&linux_ioctl_sx); 3540 mtx_lock(&Giant); 3541 #ifdef COMPAT_LINUX32 3542 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3543 if (cmd >= he->low && cmd <= he->high) { 3544 error = (*he->func)(td, args); 3545 if (error != ENOIOCTL) { 3546 mtx_unlock(&Giant); 3547 sx_sunlock(&linux_ioctl_sx); 3548 fdrop(fp, td); 3549 return (error); 3550 } 3551 } 3552 } 3553 #endif 3554 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3555 if (cmd >= he->low && cmd <= he->high) { 3556 error = (*he->func)(td, args); 3557 if (error != ENOIOCTL) { 3558 mtx_unlock(&Giant); 3559 sx_sunlock(&linux_ioctl_sx); 3560 fdrop(fp, td); 3561 return (error); 3562 } 3563 } 3564 } 3565 mtx_unlock(&Giant); 3566 sx_sunlock(&linux_ioctl_sx); 3567 fdrop(fp, td); 3568 3569 switch (args->cmd & 0xffff) { 3570 case LINUX_BTRFS_IOC_CLONE: 3571 case LINUX_F2FS_IOC_GET_FEATURES: 3572 case LINUX_FS_IOC_FIEMAP: 3573 return (ENOTSUP); 3574 3575 default: 3576 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3577 __func__, args->fd, args->cmd, 3578 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3579 break; 3580 } 3581 3582 return (EINVAL); 3583 } 3584 3585 int 3586 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3587 { 3588 struct linux_ioctl_handler *handler; 3589 int error, cmd, i; 3590 3591 cmd = args->cmd & 0xffff; 3592 3593 /* 3594 * array of ioctls known at compilation time. Elides a lot of work on 3595 * each call compared to the list variant. Everything frequently used 3596 * should be moved here. 3597 * 3598 * Arguably the magic creating the list should create an array instead. 3599 * 3600 * For now just a linear scan. 3601 */ 3602 for (i = 0; i < nitems(linux_ioctls); i++) { 3603 handler = &linux_ioctls[i]; 3604 if (cmd >= handler->low && cmd <= handler->high) { 3605 error = (*handler->func)(td, args); 3606 if (error != ENOIOCTL) { 3607 return (error); 3608 } 3609 } 3610 } 3611 return (linux_ioctl_fallback(td, args)); 3612 } 3613 3614 int 3615 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3616 { 3617 struct linux_ioctl_handler_element *he, *cur; 3618 3619 if (h == NULL || h->func == NULL) 3620 return (EINVAL); 3621 3622 /* 3623 * Reuse the element if the handler is already on the list, otherwise 3624 * create a new element. 3625 */ 3626 sx_xlock(&linux_ioctl_sx); 3627 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3628 if (he->func == h->func) 3629 break; 3630 } 3631 if (he == NULL) { 3632 he = malloc(sizeof(*he), 3633 M_LINUX, M_WAITOK); 3634 he->func = h->func; 3635 } else 3636 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3637 3638 /* Initialize range information. */ 3639 he->low = h->low; 3640 he->high = h->high; 3641 he->span = h->high - h->low + 1; 3642 3643 /* Add the element to the list, sorted on span. */ 3644 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3645 if (cur->span > he->span) { 3646 TAILQ_INSERT_BEFORE(cur, he, list); 3647 sx_xunlock(&linux_ioctl_sx); 3648 return (0); 3649 } 3650 } 3651 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3652 sx_xunlock(&linux_ioctl_sx); 3653 3654 return (0); 3655 } 3656 3657 int 3658 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3659 { 3660 struct linux_ioctl_handler_element *he; 3661 3662 if (h == NULL || h->func == NULL) 3663 return (EINVAL); 3664 3665 sx_xlock(&linux_ioctl_sx); 3666 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3667 if (he->func == h->func) { 3668 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3669 sx_xunlock(&linux_ioctl_sx); 3670 free(he, M_LINUX); 3671 return (0); 3672 } 3673 } 3674 sx_xunlock(&linux_ioctl_sx); 3675 3676 return (EINVAL); 3677 } 3678 3679 #ifdef COMPAT_LINUX32 3680 int 3681 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3682 { 3683 struct linux_ioctl_handler_element *he, *cur; 3684 3685 if (h == NULL || h->func == NULL) 3686 return (EINVAL); 3687 3688 /* 3689 * Reuse the element if the handler is already on the list, otherwise 3690 * create a new element. 3691 */ 3692 sx_xlock(&linux_ioctl_sx); 3693 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3694 if (he->func == h->func) 3695 break; 3696 } 3697 if (he == NULL) { 3698 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3699 he->func = h->func; 3700 } else 3701 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3702 3703 /* Initialize range information. */ 3704 he->low = h->low; 3705 he->high = h->high; 3706 he->span = h->high - h->low + 1; 3707 3708 /* Add the element to the list, sorted on span. */ 3709 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3710 if (cur->span > he->span) { 3711 TAILQ_INSERT_BEFORE(cur, he, list); 3712 sx_xunlock(&linux_ioctl_sx); 3713 return (0); 3714 } 3715 } 3716 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3717 sx_xunlock(&linux_ioctl_sx); 3718 3719 return (0); 3720 } 3721 3722 int 3723 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3724 { 3725 struct linux_ioctl_handler_element *he; 3726 3727 if (h == NULL || h->func == NULL) 3728 return (EINVAL); 3729 3730 sx_xlock(&linux_ioctl_sx); 3731 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3732 if (he->func == h->func) { 3733 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3734 sx_xunlock(&linux_ioctl_sx); 3735 free(he, M_LINUX); 3736 return (0); 3737 } 3738 } 3739 sx_xunlock(&linux_ioctl_sx); 3740 3741 return (EINVAL); 3742 } 3743 #endif 3744