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/param.h> 30 #include <sys/capsicum.h> 31 #include <sys/cdio.h> 32 #include <sys/consio.h> 33 #include <sys/disk.h> 34 #include <sys/dvdio.h> 35 #include <sys/fcntl.h> 36 #include <sys/filio.h> 37 #include <sys/jail.h> 38 #include <sys/kbio.h> 39 #include <sys/kcov.h> 40 #include <sys/kernel.h> 41 #include <sys/linker_set.h> 42 #include <sys/lock.h> 43 #include <sys/malloc.h> 44 #include <sys/mman.h> 45 #include <sys/proc.h> 46 #include <sys/sbuf.h> 47 #include <sys/sockio.h> 48 #include <sys/soundcard.h> 49 #include <sys/syscallsubr.h> 50 #include <sys/sysctl.h> 51 #include <sys/sysproto.h> 52 #include <sys/sx.h> 53 #include <sys/tty.h> 54 55 #include <net/if.h> 56 #include <net/if_var.h> 57 #include <net/if_dl.h> 58 #include <net/if_types.h> 59 60 #include <dev/evdev/input.h> 61 #include <dev/usb/usb_ioctl.h> 62 63 #ifdef COMPAT_LINUX32 64 #include <machine/../linux32/linux.h> 65 #include <machine/../linux32/linux32_proto.h> 66 #else 67 #include <machine/../linux/linux.h> 68 #include <machine/../linux/linux_proto.h> 69 #endif 70 71 #include <compat/linux/linux_common.h> 72 #include <compat/linux/linux_ioctl.h> 73 #include <compat/linux/linux_mib.h> 74 #include <compat/linux/linux_socket.h> 75 #include <compat/linux/linux_time.h> 76 #include <compat/linux/linux_util.h> 77 78 #include <contrib/v4l/videodev.h> 79 #include <compat/linux/linux_videodev_compat.h> 80 81 #include <contrib/v4l/videodev2.h> 82 #include <compat/linux/linux_videodev2_compat.h> 83 84 #include <cam/scsi/scsi_sg.h> 85 86 #define DEFINE_LINUX_IOCTL_SET(shortname, SHORTNAME) \ 87 static linux_ioctl_function_t linux_ioctl_ ## shortname; \ 88 static struct linux_ioctl_handler shortname ## _handler = { \ 89 .func = linux_ioctl_ ## shortname, \ 90 .low = LINUX_IOCTL_ ## SHORTNAME ## _MIN, \ 91 .high = LINUX_IOCTL_ ## SHORTNAME ## _MAX, \ 92 }; \ 93 DATA_SET(linux_ioctl_handler_set, shortname ## _handler) 94 95 DEFINE_LINUX_IOCTL_SET(cdrom, CDROM); 96 DEFINE_LINUX_IOCTL_SET(vfat, VFAT); 97 DEFINE_LINUX_IOCTL_SET(console, CONSOLE); 98 DEFINE_LINUX_IOCTL_SET(hdio, HDIO); 99 DEFINE_LINUX_IOCTL_SET(disk, DISK); 100 DEFINE_LINUX_IOCTL_SET(socket, SOCKET); 101 DEFINE_LINUX_IOCTL_SET(sound, SOUND); 102 DEFINE_LINUX_IOCTL_SET(termio, TERMIO); 103 DEFINE_LINUX_IOCTL_SET(private, PRIVATE); 104 DEFINE_LINUX_IOCTL_SET(drm, DRM); 105 DEFINE_LINUX_IOCTL_SET(sg, SG); 106 DEFINE_LINUX_IOCTL_SET(v4l, VIDEO); 107 DEFINE_LINUX_IOCTL_SET(v4l2, VIDEO2); 108 DEFINE_LINUX_IOCTL_SET(fbsd_usb, FBSD_LUSB); 109 DEFINE_LINUX_IOCTL_SET(evdev, EVDEV); 110 DEFINE_LINUX_IOCTL_SET(kcov, KCOV); 111 112 #undef DEFINE_LINUX_IOCTL_SET 113 114 static int linux_ioctl_special(struct thread *, struct linux_ioctl_args *); 115 116 /* 117 * Keep sorted by low. 118 */ 119 static struct linux_ioctl_handler linux_ioctls[] = { 120 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 121 .high = LINUX_IOCTL_TERMIO_MAX }, 122 }; 123 124 #ifdef __i386__ 125 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 126 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 127 static struct sx linux_ioctl_sx; 128 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 129 #else 130 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 131 extern struct sx linux_ioctl_sx; 132 #endif 133 #ifdef COMPAT_LINUX32 134 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 135 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 136 #endif 137 138 /* 139 * hdio related ioctls for VMWare support 140 */ 141 142 struct linux_hd_geometry { 143 uint8_t heads; 144 uint8_t sectors; 145 uint16_t cylinders; 146 uint32_t start; 147 }; 148 149 struct linux_hd_big_geometry { 150 uint8_t heads; 151 uint8_t sectors; 152 uint32_t cylinders; 153 uint32_t start; 154 }; 155 156 static int 157 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 158 { 159 struct file *fp; 160 int error; 161 u_int sectorsize, fwcylinders, fwheads, fwsectors; 162 off_t mediasize, bytespercyl; 163 164 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 165 if (error != 0) 166 return (error); 167 switch (args->cmd & 0xffff) { 168 case LINUX_HDIO_GET_GEO: 169 case LINUX_HDIO_GET_GEO_BIG: 170 error = fo_ioctl(fp, DIOCGMEDIASIZE, 171 (caddr_t)&mediasize, td->td_ucred, td); 172 if (!error) 173 error = fo_ioctl(fp, DIOCGSECTORSIZE, 174 (caddr_t)§orsize, td->td_ucred, td); 175 if (!error) 176 error = fo_ioctl(fp, DIOCGFWHEADS, 177 (caddr_t)&fwheads, td->td_ucred, td); 178 if (!error) 179 error = fo_ioctl(fp, DIOCGFWSECTORS, 180 (caddr_t)&fwsectors, td->td_ucred, td); 181 /* 182 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 183 * so pretend that GEOM always says 0. This is NOT VALID 184 * for slices or partitions, only the per-disk raw devices. 185 */ 186 187 fdrop(fp, td); 188 if (error) 189 return (error); 190 /* 191 * 1. Calculate the number of bytes in a cylinder, 192 * given the firmware's notion of heads and sectors 193 * per cylinder. 194 * 2. Calculate the number of cylinders, given the total 195 * size of the media. 196 * All internal calculations should have 64-bit precision. 197 */ 198 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 199 fwcylinders = mediasize / bytespercyl; 200 201 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 202 struct linux_hd_geometry hdg; 203 204 hdg.cylinders = fwcylinders; 205 hdg.heads = fwheads; 206 hdg.sectors = fwsectors; 207 hdg.start = 0; 208 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 209 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 210 struct linux_hd_big_geometry hdbg; 211 212 memset(&hdbg, 0, sizeof(hdbg)); 213 hdbg.cylinders = fwcylinders; 214 hdbg.heads = fwheads; 215 hdbg.sectors = fwsectors; 216 hdbg.start = 0; 217 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 218 } 219 return (error); 220 break; 221 default: 222 /* XXX */ 223 linux_msg(td, 224 "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 225 __func__, args->fd, args->cmd, 226 (int)(args->cmd & 0xff00) >> 8, 227 (int)(args->cmd & 0xff)); 228 break; 229 } 230 fdrop(fp, td); 231 return (ENOIOCTL); 232 } 233 234 static int 235 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 236 { 237 struct file *fp; 238 int error; 239 u_int sectorsize, psectorsize; 240 uint64_t blksize64; 241 off_t mediasize, stripesize; 242 243 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 244 if (error != 0) 245 return (error); 246 switch (args->cmd & 0xffff) { 247 case LINUX_BLKGETSIZE: 248 error = fo_ioctl(fp, DIOCGSECTORSIZE, 249 (caddr_t)§orsize, td->td_ucred, td); 250 if (!error) 251 error = fo_ioctl(fp, DIOCGMEDIASIZE, 252 (caddr_t)&mediasize, td->td_ucred, td); 253 fdrop(fp, td); 254 if (error) 255 return (error); 256 sectorsize = mediasize / sectorsize; 257 /* 258 * XXX: How do we know we return the right size of integer ? 259 */ 260 return (copyout(§orsize, (void *)args->arg, 261 sizeof(sectorsize))); 262 break; 263 case LINUX_BLKGETSIZE64: 264 error = fo_ioctl(fp, DIOCGMEDIASIZE, 265 (caddr_t)&mediasize, td->td_ucred, td); 266 fdrop(fp, td); 267 if (error) 268 return (error); 269 blksize64 = mediasize; 270 return (copyout(&blksize64, (void *)args->arg, 271 sizeof(blksize64))); 272 case LINUX_BLKSSZGET: 273 error = fo_ioctl(fp, DIOCGSECTORSIZE, 274 (caddr_t)§orsize, td->td_ucred, td); 275 fdrop(fp, td); 276 if (error) 277 return (error); 278 return (copyout(§orsize, (void *)args->arg, 279 sizeof(sectorsize))); 280 break; 281 case LINUX_BLKPBSZGET: 282 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 283 (caddr_t)&stripesize, td->td_ucred, td); 284 if (error != 0) { 285 fdrop(fp, td); 286 return (error); 287 } 288 if (stripesize > 0 && stripesize <= 4096) { 289 psectorsize = stripesize; 290 } else { 291 error = fo_ioctl(fp, DIOCGSECTORSIZE, 292 (caddr_t)§orsize, td->td_ucred, td); 293 if (error != 0) { 294 fdrop(fp, td); 295 return (error); 296 } 297 psectorsize = sectorsize; 298 } 299 fdrop(fp, td); 300 return (copyout(&psectorsize, (void *)args->arg, 301 sizeof(psectorsize))); 302 } 303 fdrop(fp, td); 304 return (ENOIOCTL); 305 } 306 307 /* 308 * termio related ioctls 309 */ 310 311 struct linux_termio { 312 unsigned short c_iflag; 313 unsigned short c_oflag; 314 unsigned short c_cflag; 315 unsigned short c_lflag; 316 unsigned char c_line; 317 unsigned char c_cc[LINUX_NCC]; 318 }; 319 320 struct linux_termios { 321 unsigned int c_iflag; 322 unsigned int c_oflag; 323 unsigned int c_cflag; 324 unsigned int c_lflag; 325 unsigned char c_line; 326 unsigned char c_cc[LINUX_NCCS]; 327 }; 328 329 struct linux_winsize { 330 unsigned short ws_row, ws_col; 331 unsigned short ws_xpixel, ws_ypixel; 332 }; 333 334 struct speedtab { 335 int sp_speed; /* Speed. */ 336 int sp_code; /* Code. */ 337 }; 338 339 static struct speedtab sptab[] = { 340 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 341 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 342 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 343 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 344 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 345 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 346 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 347 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 348 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 349 {-1, -1 } 350 }; 351 352 struct linux_serial_struct { 353 int type; 354 int line; 355 int port; 356 int irq; 357 int flags; 358 int xmit_fifo_size; 359 int custom_divisor; 360 int baud_base; 361 unsigned short close_delay; 362 char reserved_char[2]; 363 int hub6; 364 unsigned short closing_wait; 365 unsigned short closing_wait2; 366 int reserved[4]; 367 }; 368 369 static int 370 linux_to_bsd_speed(int code, struct speedtab *table) 371 { 372 for ( ; table->sp_code != -1; table++) 373 if (table->sp_code == code) 374 return (table->sp_speed); 375 return (-1); 376 } 377 378 static int 379 bsd_to_linux_speed(int speed, struct speedtab *table) 380 { 381 for ( ; table->sp_speed != -1; table++) 382 if (table->sp_speed == speed) 383 return (table->sp_code); 384 return (-1); 385 } 386 387 static void 388 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 389 { 390 int i; 391 392 lios->c_iflag = 0; 393 if (bios->c_iflag & IGNBRK) 394 lios->c_iflag |= LINUX_IGNBRK; 395 if (bios->c_iflag & BRKINT) 396 lios->c_iflag |= LINUX_BRKINT; 397 if (bios->c_iflag & IGNPAR) 398 lios->c_iflag |= LINUX_IGNPAR; 399 if (bios->c_iflag & PARMRK) 400 lios->c_iflag |= LINUX_PARMRK; 401 if (bios->c_iflag & INPCK) 402 lios->c_iflag |= LINUX_INPCK; 403 if (bios->c_iflag & ISTRIP) 404 lios->c_iflag |= LINUX_ISTRIP; 405 if (bios->c_iflag & INLCR) 406 lios->c_iflag |= LINUX_INLCR; 407 if (bios->c_iflag & IGNCR) 408 lios->c_iflag |= LINUX_IGNCR; 409 if (bios->c_iflag & ICRNL) 410 lios->c_iflag |= LINUX_ICRNL; 411 if (bios->c_iflag & IXON) 412 lios->c_iflag |= LINUX_IXON; 413 if (bios->c_iflag & IXANY) 414 lios->c_iflag |= LINUX_IXANY; 415 if (bios->c_iflag & IXOFF) 416 lios->c_iflag |= LINUX_IXOFF; 417 if (bios->c_iflag & IMAXBEL) 418 lios->c_iflag |= LINUX_IMAXBEL; 419 420 lios->c_oflag = 0; 421 if (bios->c_oflag & OPOST) 422 lios->c_oflag |= LINUX_OPOST; 423 if (bios->c_oflag & ONLCR) 424 lios->c_oflag |= LINUX_ONLCR; 425 if (bios->c_oflag & TAB3) 426 lios->c_oflag |= LINUX_XTABS; 427 428 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 429 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 430 if (bios->c_cflag & CSTOPB) 431 lios->c_cflag |= LINUX_CSTOPB; 432 if (bios->c_cflag & CREAD) 433 lios->c_cflag |= LINUX_CREAD; 434 if (bios->c_cflag & PARENB) 435 lios->c_cflag |= LINUX_PARENB; 436 if (bios->c_cflag & PARODD) 437 lios->c_cflag |= LINUX_PARODD; 438 if (bios->c_cflag & HUPCL) 439 lios->c_cflag |= LINUX_HUPCL; 440 if (bios->c_cflag & CLOCAL) 441 lios->c_cflag |= LINUX_CLOCAL; 442 if (bios->c_cflag & CRTSCTS) 443 lios->c_cflag |= LINUX_CRTSCTS; 444 445 lios->c_lflag = 0; 446 if (bios->c_lflag & ISIG) 447 lios->c_lflag |= LINUX_ISIG; 448 if (bios->c_lflag & ICANON) 449 lios->c_lflag |= LINUX_ICANON; 450 if (bios->c_lflag & ECHO) 451 lios->c_lflag |= LINUX_ECHO; 452 if (bios->c_lflag & ECHOE) 453 lios->c_lflag |= LINUX_ECHOE; 454 if (bios->c_lflag & ECHOK) 455 lios->c_lflag |= LINUX_ECHOK; 456 if (bios->c_lflag & ECHONL) 457 lios->c_lflag |= LINUX_ECHONL; 458 if (bios->c_lflag & NOFLSH) 459 lios->c_lflag |= LINUX_NOFLSH; 460 if (bios->c_lflag & TOSTOP) 461 lios->c_lflag |= LINUX_TOSTOP; 462 if (bios->c_lflag & ECHOCTL) 463 lios->c_lflag |= LINUX_ECHOCTL; 464 if (bios->c_lflag & ECHOPRT) 465 lios->c_lflag |= LINUX_ECHOPRT; 466 if (bios->c_lflag & ECHOKE) 467 lios->c_lflag |= LINUX_ECHOKE; 468 if (bios->c_lflag & FLUSHO) 469 lios->c_lflag |= LINUX_FLUSHO; 470 if (bios->c_lflag & PENDIN) 471 lios->c_lflag |= LINUX_PENDIN; 472 if (bios->c_lflag & IEXTEN) 473 lios->c_lflag |= LINUX_IEXTEN; 474 475 for (i=0; i<LINUX_NCCS; i++) 476 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 477 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 478 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 479 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 480 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 481 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 482 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 483 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 484 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 485 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 486 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 487 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 488 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 489 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 490 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 491 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 492 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 493 if (linux_preserve_vstatus) 494 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 495 496 for (i=0; i<LINUX_NCCS; i++) { 497 if (i != LINUX_VMIN && i != LINUX_VTIME && 498 lios->c_cc[i] == _POSIX_VDISABLE) 499 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 500 } 501 lios->c_line = 0; 502 } 503 504 static void 505 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 506 { 507 int i; 508 509 bios->c_iflag = 0; 510 if (lios->c_iflag & LINUX_IGNBRK) 511 bios->c_iflag |= IGNBRK; 512 if (lios->c_iflag & LINUX_BRKINT) 513 bios->c_iflag |= BRKINT; 514 if (lios->c_iflag & LINUX_IGNPAR) 515 bios->c_iflag |= IGNPAR; 516 if (lios->c_iflag & LINUX_PARMRK) 517 bios->c_iflag |= PARMRK; 518 if (lios->c_iflag & LINUX_INPCK) 519 bios->c_iflag |= INPCK; 520 if (lios->c_iflag & LINUX_ISTRIP) 521 bios->c_iflag |= ISTRIP; 522 if (lios->c_iflag & LINUX_INLCR) 523 bios->c_iflag |= INLCR; 524 if (lios->c_iflag & LINUX_IGNCR) 525 bios->c_iflag |= IGNCR; 526 if (lios->c_iflag & LINUX_ICRNL) 527 bios->c_iflag |= ICRNL; 528 if (lios->c_iflag & LINUX_IXON) 529 bios->c_iflag |= IXON; 530 if (lios->c_iflag & LINUX_IXANY) 531 bios->c_iflag |= IXANY; 532 if (lios->c_iflag & LINUX_IXOFF) 533 bios->c_iflag |= IXOFF; 534 if (lios->c_iflag & LINUX_IMAXBEL) 535 bios->c_iflag |= IMAXBEL; 536 537 bios->c_oflag = 0; 538 if (lios->c_oflag & LINUX_OPOST) 539 bios->c_oflag |= OPOST; 540 if (lios->c_oflag & LINUX_ONLCR) 541 bios->c_oflag |= ONLCR; 542 if (lios->c_oflag & LINUX_XTABS) 543 bios->c_oflag |= TAB3; 544 545 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 546 if (lios->c_cflag & LINUX_CSTOPB) 547 bios->c_cflag |= CSTOPB; 548 if (lios->c_cflag & LINUX_CREAD) 549 bios->c_cflag |= CREAD; 550 if (lios->c_cflag & LINUX_PARENB) 551 bios->c_cflag |= PARENB; 552 if (lios->c_cflag & LINUX_PARODD) 553 bios->c_cflag |= PARODD; 554 if (lios->c_cflag & LINUX_HUPCL) 555 bios->c_cflag |= HUPCL; 556 if (lios->c_cflag & LINUX_CLOCAL) 557 bios->c_cflag |= CLOCAL; 558 if (lios->c_cflag & LINUX_CRTSCTS) 559 bios->c_cflag |= CRTSCTS; 560 561 bios->c_lflag = 0; 562 if (lios->c_lflag & LINUX_ISIG) 563 bios->c_lflag |= ISIG; 564 if (lios->c_lflag & LINUX_ICANON) 565 bios->c_lflag |= ICANON; 566 if (lios->c_lflag & LINUX_ECHO) 567 bios->c_lflag |= ECHO; 568 if (lios->c_lflag & LINUX_ECHOE) 569 bios->c_lflag |= ECHOE; 570 if (lios->c_lflag & LINUX_ECHOK) 571 bios->c_lflag |= ECHOK; 572 if (lios->c_lflag & LINUX_ECHONL) 573 bios->c_lflag |= ECHONL; 574 if (lios->c_lflag & LINUX_NOFLSH) 575 bios->c_lflag |= NOFLSH; 576 if (lios->c_lflag & LINUX_TOSTOP) 577 bios->c_lflag |= TOSTOP; 578 if (lios->c_lflag & LINUX_ECHOCTL) 579 bios->c_lflag |= ECHOCTL; 580 if (lios->c_lflag & LINUX_ECHOPRT) 581 bios->c_lflag |= ECHOPRT; 582 if (lios->c_lflag & LINUX_ECHOKE) 583 bios->c_lflag |= ECHOKE; 584 if (lios->c_lflag & LINUX_FLUSHO) 585 bios->c_lflag |= FLUSHO; 586 if (lios->c_lflag & LINUX_PENDIN) 587 bios->c_lflag |= PENDIN; 588 if (lios->c_lflag & LINUX_IEXTEN) 589 bios->c_lflag |= IEXTEN; 590 591 for (i=0; i<NCCS; i++) 592 bios->c_cc[i] = _POSIX_VDISABLE; 593 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 594 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 595 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 596 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 597 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 598 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 599 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 600 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 601 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 602 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 603 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 604 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 605 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 606 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 607 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 608 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 609 if (linux_preserve_vstatus) 610 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 611 612 for (i=0; i<NCCS; i++) { 613 if (i != VMIN && i != VTIME && 614 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 615 bios->c_cc[i] = _POSIX_VDISABLE; 616 } 617 618 bios->c_ispeed = bios->c_ospeed = 619 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 620 } 621 622 static void 623 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 624 { 625 struct linux_termios lios; 626 627 memset(lio, 0, sizeof(*lio)); 628 bsd_to_linux_termios(bios, &lios); 629 lio->c_iflag = lios.c_iflag; 630 lio->c_oflag = lios.c_oflag; 631 lio->c_cflag = lios.c_cflag; 632 lio->c_lflag = lios.c_lflag; 633 lio->c_line = lios.c_line; 634 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 635 } 636 637 static void 638 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 639 { 640 struct linux_termios lios; 641 int i; 642 643 lios.c_iflag = lio->c_iflag; 644 lios.c_oflag = lio->c_oflag; 645 lios.c_cflag = lio->c_cflag; 646 lios.c_lflag = lio->c_lflag; 647 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 648 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 649 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 650 linux_to_bsd_termios(&lios, bios); 651 } 652 653 static int 654 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 655 { 656 struct termios bios; 657 struct linux_termios lios; 658 struct linux_termio lio; 659 struct file *fp; 660 int error; 661 662 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 663 if (error != 0) 664 return (error); 665 666 switch (args->cmd & 0xffff) { 667 case LINUX_TCGETS: 668 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 669 td); 670 if (error) 671 break; 672 bsd_to_linux_termios(&bios, &lios); 673 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 674 break; 675 676 case LINUX_TCSETS: 677 error = copyin((void *)args->arg, &lios, sizeof(lios)); 678 if (error) 679 break; 680 linux_to_bsd_termios(&lios, &bios); 681 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 682 td)); 683 break; 684 685 case LINUX_TCSETSW: 686 error = copyin((void *)args->arg, &lios, sizeof(lios)); 687 if (error) 688 break; 689 linux_to_bsd_termios(&lios, &bios); 690 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 691 td)); 692 break; 693 694 case LINUX_TCSETSF: 695 error = copyin((void *)args->arg, &lios, sizeof(lios)); 696 if (error) 697 break; 698 linux_to_bsd_termios(&lios, &bios); 699 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 700 td)); 701 break; 702 703 case LINUX_TCGETA: 704 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 705 td); 706 if (error) 707 break; 708 bsd_to_linux_termio(&bios, &lio); 709 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 710 break; 711 712 case LINUX_TCSETA: 713 error = copyin((void *)args->arg, &lio, sizeof(lio)); 714 if (error) 715 break; 716 linux_to_bsd_termio(&lio, &bios); 717 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 718 td)); 719 break; 720 721 case LINUX_TCSETAW: 722 error = copyin((void *)args->arg, &lio, sizeof(lio)); 723 if (error) 724 break; 725 linux_to_bsd_termio(&lio, &bios); 726 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 727 td)); 728 break; 729 730 case LINUX_TCSETAF: 731 error = copyin((void *)args->arg, &lio, sizeof(lio)); 732 if (error) 733 break; 734 linux_to_bsd_termio(&lio, &bios); 735 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 736 td)); 737 break; 738 739 case LINUX_TCSBRK: 740 if (args->arg != 0) { 741 error = (fo_ioctl(fp, TIOCDRAIN, (caddr_t)&bios, td->td_ucred, 742 td)); 743 } else { 744 linux_msg(td, "ioctl TCSBRK arg 0 not implemented"); 745 error = ENOIOCTL; 746 } 747 break; 748 749 case LINUX_TCXONC: { 750 switch (args->arg) { 751 case LINUX_TCOOFF: 752 args->cmd = TIOCSTOP; 753 break; 754 case LINUX_TCOON: 755 args->cmd = TIOCSTART; 756 break; 757 case LINUX_TCIOFF: 758 case LINUX_TCION: { 759 int c; 760 struct write_args wr; 761 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 762 td->td_ucred, td); 763 if (error) 764 break; 765 fdrop(fp, td); 766 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 767 c = bios.c_cc[c]; 768 if (c != _POSIX_VDISABLE) { 769 wr.fd = args->fd; 770 wr.buf = &c; 771 wr.nbyte = sizeof(c); 772 return (sys_write(td, &wr)); 773 } else 774 return (0); 775 } 776 default: 777 fdrop(fp, td); 778 return (EINVAL); 779 } 780 args->arg = 0; 781 error = (sys_ioctl(td, (struct ioctl_args *)args)); 782 break; 783 } 784 785 case LINUX_TCFLSH: { 786 int val; 787 switch (args->arg) { 788 case LINUX_TCIFLUSH: 789 val = FREAD; 790 break; 791 case LINUX_TCOFLUSH: 792 val = FWRITE; 793 break; 794 case LINUX_TCIOFLUSH: 795 val = FREAD | FWRITE; 796 break; 797 default: 798 fdrop(fp, td); 799 return (EINVAL); 800 } 801 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 802 break; 803 } 804 805 case LINUX_TIOCEXCL: 806 args->cmd = TIOCEXCL; 807 error = (sys_ioctl(td, (struct ioctl_args *)args)); 808 break; 809 810 case LINUX_TIOCNXCL: 811 args->cmd = TIOCNXCL; 812 error = (sys_ioctl(td, (struct ioctl_args *)args)); 813 break; 814 815 case LINUX_TIOCSCTTY: 816 args->cmd = TIOCSCTTY; 817 error = (sys_ioctl(td, (struct ioctl_args *)args)); 818 break; 819 820 case LINUX_TIOCGPGRP: 821 args->cmd = TIOCGPGRP; 822 error = (sys_ioctl(td, (struct ioctl_args *)args)); 823 break; 824 825 case LINUX_TIOCSPGRP: 826 args->cmd = TIOCSPGRP; 827 error = (sys_ioctl(td, (struct ioctl_args *)args)); 828 break; 829 830 /* LINUX_TIOCOUTQ */ 831 /* LINUX_TIOCSTI */ 832 833 case LINUX_TIOCGWINSZ: 834 args->cmd = TIOCGWINSZ; 835 error = (sys_ioctl(td, (struct ioctl_args *)args)); 836 break; 837 838 case LINUX_TIOCSWINSZ: 839 args->cmd = TIOCSWINSZ; 840 error = (sys_ioctl(td, (struct ioctl_args *)args)); 841 break; 842 843 case LINUX_TIOCMGET: 844 args->cmd = TIOCMGET; 845 error = (sys_ioctl(td, (struct ioctl_args *)args)); 846 break; 847 848 case LINUX_TIOCMBIS: 849 args->cmd = TIOCMBIS; 850 error = (sys_ioctl(td, (struct ioctl_args *)args)); 851 break; 852 853 case LINUX_TIOCMBIC: 854 args->cmd = TIOCMBIC; 855 error = (sys_ioctl(td, (struct ioctl_args *)args)); 856 break; 857 858 case LINUX_TIOCMSET: 859 args->cmd = TIOCMSET; 860 error = (sys_ioctl(td, (struct ioctl_args *)args)); 861 break; 862 863 /* TIOCGSOFTCAR */ 864 /* TIOCSSOFTCAR */ 865 866 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 867 args->cmd = FIONREAD; 868 error = (sys_ioctl(td, (struct ioctl_args *)args)); 869 break; 870 871 /* LINUX_TIOCLINUX */ 872 873 case LINUX_TIOCCONS: 874 args->cmd = TIOCCONS; 875 error = (sys_ioctl(td, (struct ioctl_args *)args)); 876 break; 877 878 case LINUX_TIOCGSERIAL: { 879 struct linux_serial_struct lss; 880 881 bzero(&lss, sizeof(lss)); 882 lss.type = LINUX_PORT_16550A; 883 lss.flags = 0; 884 lss.close_delay = 0; 885 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 886 break; 887 } 888 889 case LINUX_TIOCSSERIAL: { 890 struct linux_serial_struct lss; 891 error = copyin((void *)args->arg, &lss, sizeof(lss)); 892 if (error) 893 break; 894 /* XXX - It really helps to have an implementation that 895 * does nothing. NOT! 896 */ 897 error = 0; 898 break; 899 } 900 901 case LINUX_TIOCPKT: 902 args->cmd = TIOCPKT; 903 error = (sys_ioctl(td, (struct ioctl_args *)args)); 904 break; 905 906 case LINUX_FIONBIO: 907 args->cmd = FIONBIO; 908 error = (sys_ioctl(td, (struct ioctl_args *)args)); 909 break; 910 911 case LINUX_TIOCNOTTY: 912 args->cmd = TIOCNOTTY; 913 error = (sys_ioctl(td, (struct ioctl_args *)args)); 914 break; 915 916 case LINUX_TIOCSETD: { 917 int line; 918 switch (args->arg) { 919 case LINUX_N_TTY: 920 line = TTYDISC; 921 break; 922 case LINUX_N_SLIP: 923 line = SLIPDISC; 924 break; 925 case LINUX_N_PPP: 926 line = PPPDISC; 927 break; 928 default: 929 fdrop(fp, td); 930 return (EINVAL); 931 } 932 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 933 td)); 934 break; 935 } 936 937 case LINUX_TIOCGETD: { 938 int linux_line; 939 int bsd_line = TTYDISC; 940 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 941 td->td_ucred, td); 942 if (error) 943 break; 944 switch (bsd_line) { 945 case TTYDISC: 946 linux_line = LINUX_N_TTY; 947 break; 948 case SLIPDISC: 949 linux_line = LINUX_N_SLIP; 950 break; 951 case PPPDISC: 952 linux_line = LINUX_N_PPP; 953 break; 954 default: 955 fdrop(fp, td); 956 return (EINVAL); 957 } 958 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 959 break; 960 } 961 962 /* LINUX_TCSBRKP */ 963 /* LINUX_TIOCTTYGSTRUCT */ 964 965 case LINUX_FIONCLEX: 966 args->cmd = FIONCLEX; 967 error = (sys_ioctl(td, (struct ioctl_args *)args)); 968 break; 969 970 case LINUX_FIOCLEX: 971 args->cmd = FIOCLEX; 972 error = (sys_ioctl(td, (struct ioctl_args *)args)); 973 break; 974 975 case LINUX_FIOASYNC: 976 args->cmd = FIOASYNC; 977 error = (sys_ioctl(td, (struct ioctl_args *)args)); 978 break; 979 980 /* LINUX_TIOCSERCONFIG */ 981 /* LINUX_TIOCSERGWILD */ 982 /* LINUX_TIOCSERSWILD */ 983 /* LINUX_TIOCGLCKTRMIOS */ 984 /* LINUX_TIOCSLCKTRMIOS */ 985 986 case LINUX_TIOCSBRK: 987 args->cmd = TIOCSBRK; 988 error = (sys_ioctl(td, (struct ioctl_args *)args)); 989 break; 990 991 case LINUX_TIOCCBRK: 992 args->cmd = TIOCCBRK; 993 error = (sys_ioctl(td, (struct ioctl_args *)args)); 994 break; 995 case LINUX_TIOCGPTN: { 996 int nb; 997 998 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 999 if (!error) 1000 error = copyout(&nb, (void *)args->arg, 1001 sizeof(int)); 1002 break; 1003 } 1004 case LINUX_TIOCGPTPEER: 1005 linux_msg(td, "unsupported ioctl TIOCGPTPEER"); 1006 error = ENOIOCTL; 1007 break; 1008 case LINUX_TIOCSPTLCK: 1009 /* 1010 * Our unlockpt() does nothing. Check that fd refers 1011 * to a pseudo-terminal master device. 1012 */ 1013 args->cmd = TIOCPTMASTER; 1014 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1015 break; 1016 default: 1017 error = ENOIOCTL; 1018 break; 1019 } 1020 1021 fdrop(fp, td); 1022 return (error); 1023 } 1024 1025 /* 1026 * CDROM related ioctls 1027 */ 1028 1029 struct linux_cdrom_msf 1030 { 1031 u_char cdmsf_min0; 1032 u_char cdmsf_sec0; 1033 u_char cdmsf_frame0; 1034 u_char cdmsf_min1; 1035 u_char cdmsf_sec1; 1036 u_char cdmsf_frame1; 1037 }; 1038 1039 struct linux_cdrom_tochdr 1040 { 1041 u_char cdth_trk0; 1042 u_char cdth_trk1; 1043 }; 1044 1045 union linux_cdrom_addr 1046 { 1047 struct { 1048 u_char minute; 1049 u_char second; 1050 u_char frame; 1051 } msf; 1052 int lba; 1053 }; 1054 1055 struct linux_cdrom_tocentry 1056 { 1057 u_char cdte_track; 1058 u_char cdte_adr:4; 1059 u_char cdte_ctrl:4; 1060 u_char cdte_format; 1061 union linux_cdrom_addr cdte_addr; 1062 u_char cdte_datamode; 1063 }; 1064 1065 struct linux_cdrom_subchnl 1066 { 1067 u_char cdsc_format; 1068 u_char cdsc_audiostatus; 1069 u_char cdsc_adr:4; 1070 u_char cdsc_ctrl:4; 1071 u_char cdsc_trk; 1072 u_char cdsc_ind; 1073 union linux_cdrom_addr cdsc_absaddr; 1074 union linux_cdrom_addr cdsc_reladdr; 1075 }; 1076 1077 struct l_cdrom_read_audio { 1078 union linux_cdrom_addr addr; 1079 u_char addr_format; 1080 l_int nframes; 1081 u_char *buf; 1082 }; 1083 1084 struct l_dvd_layer { 1085 u_char book_version:4; 1086 u_char book_type:4; 1087 u_char min_rate:4; 1088 u_char disc_size:4; 1089 u_char layer_type:4; 1090 u_char track_path:1; 1091 u_char nlayers:2; 1092 u_char track_density:4; 1093 u_char linear_density:4; 1094 u_char bca:1; 1095 uint32_t start_sector; 1096 uint32_t end_sector; 1097 uint32_t end_sector_l0; 1098 }; 1099 1100 struct l_dvd_physical { 1101 u_char type; 1102 u_char layer_num; 1103 struct l_dvd_layer layer[4]; 1104 }; 1105 1106 struct l_dvd_copyright { 1107 u_char type; 1108 u_char layer_num; 1109 u_char cpst; 1110 u_char rmi; 1111 }; 1112 1113 struct l_dvd_disckey { 1114 u_char type; 1115 l_uint agid:2; 1116 u_char value[2048]; 1117 }; 1118 1119 struct l_dvd_bca { 1120 u_char type; 1121 l_int len; 1122 u_char value[188]; 1123 }; 1124 1125 struct l_dvd_manufact { 1126 u_char type; 1127 u_char layer_num; 1128 l_int len; 1129 u_char value[2048]; 1130 }; 1131 1132 typedef union { 1133 u_char type; 1134 struct l_dvd_physical physical; 1135 struct l_dvd_copyright copyright; 1136 struct l_dvd_disckey disckey; 1137 struct l_dvd_bca bca; 1138 struct l_dvd_manufact manufact; 1139 } l_dvd_struct; 1140 1141 typedef u_char l_dvd_key[5]; 1142 typedef u_char l_dvd_challenge[10]; 1143 1144 struct l_dvd_lu_send_agid { 1145 u_char type; 1146 l_uint agid:2; 1147 }; 1148 1149 struct l_dvd_host_send_challenge { 1150 u_char type; 1151 l_uint agid:2; 1152 l_dvd_challenge chal; 1153 }; 1154 1155 struct l_dvd_send_key { 1156 u_char type; 1157 l_uint agid:2; 1158 l_dvd_key key; 1159 }; 1160 1161 struct l_dvd_lu_send_challenge { 1162 u_char type; 1163 l_uint agid:2; 1164 l_dvd_challenge chal; 1165 }; 1166 1167 struct l_dvd_lu_send_title_key { 1168 u_char type; 1169 l_uint agid:2; 1170 l_dvd_key title_key; 1171 l_int lba; 1172 l_uint cpm:1; 1173 l_uint cp_sec:1; 1174 l_uint cgms:2; 1175 }; 1176 1177 struct l_dvd_lu_send_asf { 1178 u_char type; 1179 l_uint agid:2; 1180 l_uint asf:1; 1181 }; 1182 1183 struct l_dvd_host_send_rpcstate { 1184 u_char type; 1185 u_char pdrc; 1186 }; 1187 1188 struct l_dvd_lu_send_rpcstate { 1189 u_char type:2; 1190 u_char vra:3; 1191 u_char ucca:3; 1192 u_char region_mask; 1193 u_char rpc_scheme; 1194 }; 1195 1196 typedef union { 1197 u_char type; 1198 struct l_dvd_lu_send_agid lsa; 1199 struct l_dvd_host_send_challenge hsc; 1200 struct l_dvd_send_key lsk; 1201 struct l_dvd_lu_send_challenge lsc; 1202 struct l_dvd_send_key hsk; 1203 struct l_dvd_lu_send_title_key lstk; 1204 struct l_dvd_lu_send_asf lsasf; 1205 struct l_dvd_host_send_rpcstate hrpcs; 1206 struct l_dvd_lu_send_rpcstate lrpcs; 1207 } l_dvd_authinfo; 1208 1209 static void 1210 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1211 { 1212 if (af == CD_LBA_FORMAT) 1213 lp->lba = bp->lba; 1214 else { 1215 lp->msf.minute = bp->msf.minute; 1216 lp->msf.second = bp->msf.second; 1217 lp->msf.frame = bp->msf.frame; 1218 } 1219 } 1220 1221 static void 1222 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1223 { 1224 if (format == LINUX_CDROM_MSF) { 1225 addr->msf.frame = lba % 75; 1226 lba /= 75; 1227 lba += 2; 1228 addr->msf.second = lba % 60; 1229 addr->msf.minute = lba / 60; 1230 } else 1231 addr->lba = lba; 1232 } 1233 1234 static int 1235 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1236 { 1237 bp->format = lp->type; 1238 switch (bp->format) { 1239 case DVD_STRUCT_PHYSICAL: 1240 if (bp->layer_num >= 4) 1241 return (EINVAL); 1242 bp->layer_num = lp->physical.layer_num; 1243 break; 1244 case DVD_STRUCT_COPYRIGHT: 1245 bp->layer_num = lp->copyright.layer_num; 1246 break; 1247 case DVD_STRUCT_DISCKEY: 1248 bp->agid = lp->disckey.agid; 1249 break; 1250 case DVD_STRUCT_BCA: 1251 case DVD_STRUCT_MANUFACT: 1252 break; 1253 default: 1254 return (EINVAL); 1255 } 1256 return (0); 1257 } 1258 1259 static int 1260 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1261 { 1262 switch (bp->format) { 1263 case DVD_STRUCT_PHYSICAL: { 1264 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1265 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1266 memset(llp, 0, sizeof(*llp)); 1267 llp->book_version = blp->book_version; 1268 llp->book_type = blp->book_type; 1269 llp->min_rate = blp->max_rate; 1270 llp->disc_size = blp->disc_size; 1271 llp->layer_type = blp->layer_type; 1272 llp->track_path = blp->track_path; 1273 llp->nlayers = blp->nlayers; 1274 llp->track_density = blp->track_density; 1275 llp->linear_density = blp->linear_density; 1276 llp->bca = blp->bca; 1277 llp->start_sector = blp->start_sector; 1278 llp->end_sector = blp->end_sector; 1279 llp->end_sector_l0 = blp->end_sector_l0; 1280 break; 1281 } 1282 case DVD_STRUCT_COPYRIGHT: 1283 lp->copyright.cpst = bp->cpst; 1284 lp->copyright.rmi = bp->rmi; 1285 break; 1286 case DVD_STRUCT_DISCKEY: 1287 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1288 break; 1289 case DVD_STRUCT_BCA: 1290 lp->bca.len = bp->length; 1291 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1292 break; 1293 case DVD_STRUCT_MANUFACT: 1294 lp->manufact.len = bp->length; 1295 memcpy(lp->manufact.value, bp->data, 1296 sizeof(lp->manufact.value)); 1297 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1298 break; 1299 default: 1300 return (EINVAL); 1301 } 1302 return (0); 1303 } 1304 1305 static int 1306 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1307 struct dvd_authinfo *bp) 1308 { 1309 switch (lp->type) { 1310 case LINUX_DVD_LU_SEND_AGID: 1311 *bcode = DVDIOCREPORTKEY; 1312 bp->format = DVD_REPORT_AGID; 1313 bp->agid = lp->lsa.agid; 1314 break; 1315 case LINUX_DVD_HOST_SEND_CHALLENGE: 1316 *bcode = DVDIOCSENDKEY; 1317 bp->format = DVD_SEND_CHALLENGE; 1318 bp->agid = lp->hsc.agid; 1319 memcpy(bp->keychal, lp->hsc.chal, 10); 1320 break; 1321 case LINUX_DVD_LU_SEND_KEY1: 1322 *bcode = DVDIOCREPORTKEY; 1323 bp->format = DVD_REPORT_KEY1; 1324 bp->agid = lp->lsk.agid; 1325 break; 1326 case LINUX_DVD_LU_SEND_CHALLENGE: 1327 *bcode = DVDIOCREPORTKEY; 1328 bp->format = DVD_REPORT_CHALLENGE; 1329 bp->agid = lp->lsc.agid; 1330 break; 1331 case LINUX_DVD_HOST_SEND_KEY2: 1332 *bcode = DVDIOCSENDKEY; 1333 bp->format = DVD_SEND_KEY2; 1334 bp->agid = lp->hsk.agid; 1335 memcpy(bp->keychal, lp->hsk.key, 5); 1336 break; 1337 case LINUX_DVD_LU_SEND_TITLE_KEY: 1338 *bcode = DVDIOCREPORTKEY; 1339 bp->format = DVD_REPORT_TITLE_KEY; 1340 bp->agid = lp->lstk.agid; 1341 bp->lba = lp->lstk.lba; 1342 break; 1343 case LINUX_DVD_LU_SEND_ASF: 1344 *bcode = DVDIOCREPORTKEY; 1345 bp->format = DVD_REPORT_ASF; 1346 bp->agid = lp->lsasf.agid; 1347 break; 1348 case LINUX_DVD_INVALIDATE_AGID: 1349 *bcode = DVDIOCREPORTKEY; 1350 bp->format = DVD_INVALIDATE_AGID; 1351 bp->agid = lp->lsa.agid; 1352 break; 1353 case LINUX_DVD_LU_SEND_RPC_STATE: 1354 *bcode = DVDIOCREPORTKEY; 1355 bp->format = DVD_REPORT_RPC; 1356 break; 1357 case LINUX_DVD_HOST_SEND_RPC_STATE: 1358 *bcode = DVDIOCSENDKEY; 1359 bp->format = DVD_SEND_RPC; 1360 bp->region = lp->hrpcs.pdrc; 1361 break; 1362 default: 1363 return (EINVAL); 1364 } 1365 return (0); 1366 } 1367 1368 static int 1369 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1370 { 1371 switch (lp->type) { 1372 case LINUX_DVD_LU_SEND_AGID: 1373 lp->lsa.agid = bp->agid; 1374 break; 1375 case LINUX_DVD_HOST_SEND_CHALLENGE: 1376 lp->type = LINUX_DVD_LU_SEND_KEY1; 1377 break; 1378 case LINUX_DVD_LU_SEND_KEY1: 1379 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1380 break; 1381 case LINUX_DVD_LU_SEND_CHALLENGE: 1382 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1383 break; 1384 case LINUX_DVD_HOST_SEND_KEY2: 1385 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1386 break; 1387 case LINUX_DVD_LU_SEND_TITLE_KEY: 1388 memcpy(lp->lstk.title_key, bp->keychal, 1389 sizeof(lp->lstk.title_key)); 1390 lp->lstk.cpm = bp->cpm; 1391 lp->lstk.cp_sec = bp->cp_sec; 1392 lp->lstk.cgms = bp->cgms; 1393 break; 1394 case LINUX_DVD_LU_SEND_ASF: 1395 lp->lsasf.asf = bp->asf; 1396 break; 1397 case LINUX_DVD_INVALIDATE_AGID: 1398 break; 1399 case LINUX_DVD_LU_SEND_RPC_STATE: 1400 lp->lrpcs.type = bp->reg_type; 1401 lp->lrpcs.vra = bp->vend_rsts; 1402 lp->lrpcs.ucca = bp->user_rsts; 1403 lp->lrpcs.region_mask = bp->region; 1404 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1405 break; 1406 case LINUX_DVD_HOST_SEND_RPC_STATE: 1407 break; 1408 default: 1409 return (EINVAL); 1410 } 1411 return (0); 1412 } 1413 1414 static int 1415 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1416 { 1417 struct file *fp; 1418 int error; 1419 1420 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1421 if (error != 0) 1422 return (error); 1423 switch (args->cmd & 0xffff) { 1424 case LINUX_CDROMPAUSE: 1425 args->cmd = CDIOCPAUSE; 1426 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1427 break; 1428 1429 case LINUX_CDROMRESUME: 1430 args->cmd = CDIOCRESUME; 1431 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1432 break; 1433 1434 case LINUX_CDROMPLAYMSF: 1435 args->cmd = CDIOCPLAYMSF; 1436 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1437 break; 1438 1439 case LINUX_CDROMPLAYTRKIND: 1440 args->cmd = CDIOCPLAYTRACKS; 1441 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1442 break; 1443 1444 case LINUX_CDROMREADTOCHDR: { 1445 struct ioc_toc_header th; 1446 struct linux_cdrom_tochdr lth; 1447 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1448 td->td_ucred, td); 1449 if (!error) { 1450 lth.cdth_trk0 = th.starting_track; 1451 lth.cdth_trk1 = th.ending_track; 1452 copyout(<h, (void *)args->arg, sizeof(lth)); 1453 } 1454 break; 1455 } 1456 1457 case LINUX_CDROMREADTOCENTRY: { 1458 struct linux_cdrom_tocentry lte; 1459 struct ioc_read_toc_single_entry irtse; 1460 1461 error = copyin((void *)args->arg, <e, sizeof(lte)); 1462 if (error) 1463 break; 1464 irtse.address_format = lte.cdte_format; 1465 irtse.track = lte.cdte_track; 1466 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1467 td->td_ucred, td); 1468 if (!error) { 1469 lte.cdte_ctrl = irtse.entry.control; 1470 lte.cdte_adr = irtse.entry.addr_type; 1471 bsd_to_linux_msf_lba(irtse.address_format, 1472 &irtse.entry.addr, <e.cdte_addr); 1473 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1474 } 1475 break; 1476 } 1477 1478 case LINUX_CDROMSTOP: 1479 args->cmd = CDIOCSTOP; 1480 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1481 break; 1482 1483 case LINUX_CDROMSTART: 1484 args->cmd = CDIOCSTART; 1485 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1486 break; 1487 1488 case LINUX_CDROMEJECT: 1489 args->cmd = CDIOCEJECT; 1490 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1491 break; 1492 1493 /* LINUX_CDROMVOLCTRL */ 1494 1495 case LINUX_CDROMSUBCHNL: { 1496 struct linux_cdrom_subchnl sc; 1497 struct ioc_read_subchannel bsdsc; 1498 struct cd_sub_channel_info bsdinfo; 1499 1500 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1501 if (error) 1502 break; 1503 1504 /* 1505 * Invoke the native ioctl and bounce the returned data through 1506 * the userspace buffer. This works because the Linux structure 1507 * is the same size as our structures for the subchannel header 1508 * and position data. 1509 */ 1510 bsdsc.address_format = CD_LBA_FORMAT; 1511 bsdsc.data_format = CD_CURRENT_POSITION; 1512 bsdsc.track = 0; 1513 bsdsc.data_len = sizeof(sc); 1514 bsdsc.data = (void *)args->arg; 1515 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1516 td->td_ucred, td); 1517 if (error) 1518 break; 1519 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1520 if (error) 1521 break; 1522 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1523 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1524 sc.cdsc_ctrl = bsdinfo.what.position.control; 1525 sc.cdsc_trk = bsdinfo.what.position.track_number; 1526 sc.cdsc_ind = bsdinfo.what.position.index_number; 1527 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1528 bsdinfo.what.position.absaddr.lba); 1529 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1530 bsdinfo.what.position.reladdr.lba); 1531 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1532 break; 1533 } 1534 1535 /* LINUX_CDROMREADMODE2 */ 1536 /* LINUX_CDROMREADMODE1 */ 1537 /* LINUX_CDROMREADAUDIO */ 1538 /* LINUX_CDROMEJECT_SW */ 1539 /* LINUX_CDROMMULTISESSION */ 1540 /* LINUX_CDROM_GET_UPC */ 1541 1542 case LINUX_CDROMRESET: 1543 args->cmd = CDIOCRESET; 1544 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1545 break; 1546 1547 /* LINUX_CDROMVOLREAD */ 1548 /* LINUX_CDROMREADRAW */ 1549 /* LINUX_CDROMREADCOOKED */ 1550 /* LINUX_CDROMSEEK */ 1551 /* LINUX_CDROMPLAYBLK */ 1552 /* LINUX_CDROMREADALL */ 1553 /* LINUX_CDROMCLOSETRAY */ 1554 /* LINUX_CDROMLOADFROMSLOT */ 1555 /* LINUX_CDROMGETSPINDOWN */ 1556 /* LINUX_CDROMSETSPINDOWN */ 1557 /* LINUX_CDROM_SET_OPTIONS */ 1558 /* LINUX_CDROM_CLEAR_OPTIONS */ 1559 /* LINUX_CDROM_SELECT_SPEED */ 1560 /* LINUX_CDROM_SELECT_DISC */ 1561 /* LINUX_CDROM_MEDIA_CHANGED */ 1562 /* LINUX_CDROM_DRIVE_STATUS */ 1563 /* LINUX_CDROM_DISC_STATUS */ 1564 /* LINUX_CDROM_CHANGER_NSLOTS */ 1565 /* LINUX_CDROM_LOCKDOOR */ 1566 /* LINUX_CDROM_DEBUG */ 1567 /* LINUX_CDROM_GET_CAPABILITY */ 1568 /* LINUX_CDROMAUDIOBUFSIZ */ 1569 1570 case LINUX_DVD_READ_STRUCT: { 1571 l_dvd_struct *lds; 1572 struct dvd_struct *bds; 1573 1574 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1575 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1576 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1577 if (error) 1578 goto out; 1579 error = linux_to_bsd_dvd_struct(lds, bds); 1580 if (error) 1581 goto out; 1582 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1583 td->td_ucred, td); 1584 if (error) 1585 goto out; 1586 error = bsd_to_linux_dvd_struct(bds, lds); 1587 if (error) 1588 goto out; 1589 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1590 out: 1591 free(bds, M_LINUX); 1592 free(lds, M_LINUX); 1593 break; 1594 } 1595 1596 /* LINUX_DVD_WRITE_STRUCT */ 1597 1598 case LINUX_DVD_AUTH: { 1599 l_dvd_authinfo lda; 1600 struct dvd_authinfo bda; 1601 int bcode; 1602 1603 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1604 if (error) 1605 break; 1606 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1607 if (error) 1608 break; 1609 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1610 td); 1611 if (error) { 1612 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1613 lda.type = LINUX_DVD_AUTH_FAILURE; 1614 copyout(&lda, (void *)args->arg, sizeof(lda)); 1615 } 1616 break; 1617 } 1618 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1619 if (error) 1620 break; 1621 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1622 break; 1623 } 1624 1625 case LINUX_SCSI_GET_BUS_NUMBER: 1626 { 1627 struct sg_scsi_id id; 1628 1629 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1630 td->td_ucred, td); 1631 if (error) 1632 break; 1633 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1634 break; 1635 } 1636 1637 case LINUX_SCSI_GET_IDLUN: 1638 { 1639 struct sg_scsi_id id; 1640 struct scsi_idlun idl; 1641 1642 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1643 td->td_ucred, td); 1644 if (error) 1645 break; 1646 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1647 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1648 idl.host_unique_id = id.host_no; 1649 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1650 break; 1651 } 1652 1653 /* LINUX_CDROM_SEND_PACKET */ 1654 /* LINUX_CDROM_NEXT_WRITABLE */ 1655 /* LINUX_CDROM_LAST_WRITTEN */ 1656 1657 default: 1658 error = ENOIOCTL; 1659 break; 1660 } 1661 1662 fdrop(fp, td); 1663 return (error); 1664 } 1665 1666 static int 1667 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1668 { 1669 1670 return (ENOTTY); 1671 } 1672 1673 /* 1674 * Sound related ioctls 1675 */ 1676 1677 struct linux_old_mixer_info { 1678 char id[16]; 1679 char name[32]; 1680 }; 1681 1682 static uint32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1683 1684 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1685 1686 static int 1687 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1688 { 1689 1690 switch (args->cmd & 0xffff) { 1691 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1692 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1693 return (sys_ioctl(td, (struct ioctl_args *)args)); 1694 1695 case LINUX_SOUND_MIXER_WRITE_BASS: 1696 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1697 return (sys_ioctl(td, (struct ioctl_args *)args)); 1698 1699 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1700 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1701 return (sys_ioctl(td, (struct ioctl_args *)args)); 1702 1703 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1704 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1705 return (sys_ioctl(td, (struct ioctl_args *)args)); 1706 1707 case LINUX_SOUND_MIXER_WRITE_PCM: 1708 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1709 return (sys_ioctl(td, (struct ioctl_args *)args)); 1710 1711 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1712 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1713 return (sys_ioctl(td, (struct ioctl_args *)args)); 1714 1715 case LINUX_SOUND_MIXER_WRITE_LINE: 1716 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1717 return (sys_ioctl(td, (struct ioctl_args *)args)); 1718 1719 case LINUX_SOUND_MIXER_WRITE_MIC: 1720 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1721 return (sys_ioctl(td, (struct ioctl_args *)args)); 1722 1723 case LINUX_SOUND_MIXER_WRITE_CD: 1724 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1725 return (sys_ioctl(td, (struct ioctl_args *)args)); 1726 1727 case LINUX_SOUND_MIXER_WRITE_IMIX: 1728 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1729 return (sys_ioctl(td, (struct ioctl_args *)args)); 1730 1731 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1732 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1733 return (sys_ioctl(td, (struct ioctl_args *)args)); 1734 1735 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1736 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1737 return (sys_ioctl(td, (struct ioctl_args *)args)); 1738 1739 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1740 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1741 return (sys_ioctl(td, (struct ioctl_args *)args)); 1742 1743 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1744 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1745 return (sys_ioctl(td, (struct ioctl_args *)args)); 1746 1747 case LINUX_SOUND_MIXER_WRITE_LINE1: 1748 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1749 return (sys_ioctl(td, (struct ioctl_args *)args)); 1750 1751 case LINUX_SOUND_MIXER_WRITE_LINE2: 1752 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1753 return (sys_ioctl(td, (struct ioctl_args *)args)); 1754 1755 case LINUX_SOUND_MIXER_WRITE_LINE3: 1756 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1757 return (sys_ioctl(td, (struct ioctl_args *)args)); 1758 1759 case LINUX_SOUND_MIXER_WRITE_MONITOR: 1760 args->cmd = SETDIR(SOUND_MIXER_WRITE_MONITOR); 1761 return (sys_ioctl(td, (struct ioctl_args *)args)); 1762 1763 case LINUX_SOUND_MIXER_INFO: { 1764 /* Key on encoded length */ 1765 switch ((args->cmd >> 16) & 0x1fff) { 1766 case 0x005c: { /* SOUND_MIXER_INFO */ 1767 args->cmd = SOUND_MIXER_INFO; 1768 return (sys_ioctl(td, (struct ioctl_args *)args)); 1769 } 1770 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1771 struct linux_old_mixer_info info; 1772 bzero(&info, sizeof(info)); 1773 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1774 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1775 copyout(&info, (void *)args->arg, sizeof(info)); 1776 return (0); 1777 } 1778 default: 1779 return (ENOIOCTL); 1780 } 1781 break; 1782 } 1783 1784 case LINUX_OSS_GETVERSION: { 1785 int version = linux_get_oss_version(td); 1786 return (copyout(&version, (void *)args->arg, sizeof(int))); 1787 } 1788 1789 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1790 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1791 return (sys_ioctl(td, (struct ioctl_args *)args)); 1792 1793 case LINUX_SOUND_MIXER_READ_CAPS: 1794 args->cmd = SOUND_MIXER_READ_CAPS; 1795 return (sys_ioctl(td, (struct ioctl_args *)args)); 1796 1797 case LINUX_SOUND_MIXER_READ_RECMASK: 1798 args->cmd = SOUND_MIXER_READ_RECMASK; 1799 return (sys_ioctl(td, (struct ioctl_args *)args)); 1800 1801 case LINUX_SOUND_MIXER_READ_DEVMASK: 1802 args->cmd = SOUND_MIXER_READ_DEVMASK; 1803 return (sys_ioctl(td, (struct ioctl_args *)args)); 1804 1805 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1806 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1807 return (sys_ioctl(td, (struct ioctl_args *)args)); 1808 1809 case LINUX_SNDCTL_DSP_RESET: 1810 args->cmd = SNDCTL_DSP_RESET; 1811 return (sys_ioctl(td, (struct ioctl_args *)args)); 1812 1813 case LINUX_SNDCTL_DSP_SYNC: 1814 args->cmd = SNDCTL_DSP_SYNC; 1815 return (sys_ioctl(td, (struct ioctl_args *)args)); 1816 1817 case LINUX_SNDCTL_DSP_SPEED: 1818 args->cmd = SNDCTL_DSP_SPEED; 1819 return (sys_ioctl(td, (struct ioctl_args *)args)); 1820 1821 case LINUX_SNDCTL_DSP_STEREO: 1822 args->cmd = SNDCTL_DSP_STEREO; 1823 return (sys_ioctl(td, (struct ioctl_args *)args)); 1824 1825 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1826 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1827 return (sys_ioctl(td, (struct ioctl_args *)args)); 1828 1829 case LINUX_SNDCTL_DSP_SETFMT: 1830 args->cmd = SNDCTL_DSP_SETFMT; 1831 return (sys_ioctl(td, (struct ioctl_args *)args)); 1832 1833 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1834 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1835 return (sys_ioctl(td, (struct ioctl_args *)args)); 1836 1837 case LINUX_SOUND_PCM_WRITE_FILTER: 1838 args->cmd = SOUND_PCM_WRITE_FILTER; 1839 return (sys_ioctl(td, (struct ioctl_args *)args)); 1840 1841 case LINUX_SNDCTL_DSP_POST: 1842 args->cmd = SNDCTL_DSP_POST; 1843 return (sys_ioctl(td, (struct ioctl_args *)args)); 1844 1845 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1846 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1847 return (sys_ioctl(td, (struct ioctl_args *)args)); 1848 1849 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1850 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1851 return (sys_ioctl(td, (struct ioctl_args *)args)); 1852 1853 case LINUX_SNDCTL_DSP_GETFMTS: 1854 args->cmd = SNDCTL_DSP_GETFMTS; 1855 return (sys_ioctl(td, (struct ioctl_args *)args)); 1856 1857 case LINUX_SNDCTL_DSP_GETOSPACE: 1858 args->cmd = SNDCTL_DSP_GETOSPACE; 1859 return (sys_ioctl(td, (struct ioctl_args *)args)); 1860 1861 case LINUX_SNDCTL_DSP_GETISPACE: 1862 args->cmd = SNDCTL_DSP_GETISPACE; 1863 return (sys_ioctl(td, (struct ioctl_args *)args)); 1864 1865 case LINUX_SNDCTL_DSP_NONBLOCK: 1866 args->cmd = SNDCTL_DSP_NONBLOCK; 1867 return (sys_ioctl(td, (struct ioctl_args *)args)); 1868 1869 case LINUX_SNDCTL_DSP_GETCAPS: 1870 args->cmd = SNDCTL_DSP_GETCAPS; 1871 return (sys_ioctl(td, (struct ioctl_args *)args)); 1872 1873 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1874 args->cmd = SNDCTL_DSP_SETTRIGGER; 1875 return (sys_ioctl(td, (struct ioctl_args *)args)); 1876 1877 case LINUX_SNDCTL_DSP_GETIPTR: 1878 args->cmd = SNDCTL_DSP_GETIPTR; 1879 return (sys_ioctl(td, (struct ioctl_args *)args)); 1880 1881 case LINUX_SNDCTL_DSP_GETOPTR: 1882 args->cmd = SNDCTL_DSP_GETOPTR; 1883 return (sys_ioctl(td, (struct ioctl_args *)args)); 1884 1885 case LINUX_SNDCTL_DSP_SETDUPLEX: 1886 args->cmd = SNDCTL_DSP_SETDUPLEX; 1887 return (sys_ioctl(td, (struct ioctl_args *)args)); 1888 1889 case LINUX_SNDCTL_DSP_GETODELAY: 1890 args->cmd = SNDCTL_DSP_GETODELAY; 1891 return (sys_ioctl(td, (struct ioctl_args *)args)); 1892 1893 case LINUX_SNDCTL_SEQ_RESET: 1894 args->cmd = SNDCTL_SEQ_RESET; 1895 return (sys_ioctl(td, (struct ioctl_args *)args)); 1896 1897 case LINUX_SNDCTL_SEQ_SYNC: 1898 args->cmd = SNDCTL_SEQ_SYNC; 1899 return (sys_ioctl(td, (struct ioctl_args *)args)); 1900 1901 case LINUX_SNDCTL_SYNTH_INFO: 1902 args->cmd = SNDCTL_SYNTH_INFO; 1903 return (sys_ioctl(td, (struct ioctl_args *)args)); 1904 1905 case LINUX_SNDCTL_SEQ_CTRLRATE: 1906 args->cmd = SNDCTL_SEQ_CTRLRATE; 1907 return (sys_ioctl(td, (struct ioctl_args *)args)); 1908 1909 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1910 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1911 return (sys_ioctl(td, (struct ioctl_args *)args)); 1912 1913 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1914 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1915 return (sys_ioctl(td, (struct ioctl_args *)args)); 1916 1917 case LINUX_SNDCTL_SEQ_PERCMODE: 1918 args->cmd = SNDCTL_SEQ_PERCMODE; 1919 return (sys_ioctl(td, (struct ioctl_args *)args)); 1920 1921 case LINUX_SNDCTL_FM_LOAD_INSTR: 1922 args->cmd = SNDCTL_FM_LOAD_INSTR; 1923 return (sys_ioctl(td, (struct ioctl_args *)args)); 1924 1925 case LINUX_SNDCTL_SEQ_TESTMIDI: 1926 args->cmd = SNDCTL_SEQ_TESTMIDI; 1927 return (sys_ioctl(td, (struct ioctl_args *)args)); 1928 1929 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1930 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1931 return (sys_ioctl(td, (struct ioctl_args *)args)); 1932 1933 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1934 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1935 return (sys_ioctl(td, (struct ioctl_args *)args)); 1936 1937 case LINUX_SNDCTL_SEQ_NRMIDIS: 1938 args->cmd = SNDCTL_SEQ_NRMIDIS; 1939 return (sys_ioctl(td, (struct ioctl_args *)args)); 1940 1941 case LINUX_SNDCTL_MIDI_INFO: 1942 args->cmd = SNDCTL_MIDI_INFO; 1943 return (sys_ioctl(td, (struct ioctl_args *)args)); 1944 1945 case LINUX_SNDCTL_SEQ_TRESHOLD: 1946 args->cmd = SNDCTL_SEQ_TRESHOLD; 1947 return (sys_ioctl(td, (struct ioctl_args *)args)); 1948 1949 case LINUX_SNDCTL_SYNTH_MEMAVL: 1950 args->cmd = SNDCTL_SYNTH_MEMAVL; 1951 return (sys_ioctl(td, (struct ioctl_args *)args)); 1952 } 1953 1954 return (ENOIOCTL); 1955 } 1956 1957 /* 1958 * Console related ioctls 1959 */ 1960 1961 static int 1962 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1963 { 1964 struct file *fp; 1965 int error; 1966 1967 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1968 if (error != 0) 1969 return (error); 1970 switch (args->cmd & 0xffff) { 1971 case LINUX_KIOCSOUND: 1972 args->cmd = KIOCSOUND; 1973 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1974 break; 1975 1976 case LINUX_KDMKTONE: 1977 args->cmd = KDMKTONE; 1978 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1979 break; 1980 1981 case LINUX_KDGETLED: 1982 args->cmd = KDGETLED; 1983 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1984 break; 1985 1986 case LINUX_KDSETLED: 1987 args->cmd = KDSETLED; 1988 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1989 break; 1990 1991 case LINUX_KDSETMODE: 1992 args->cmd = KDSETMODE; 1993 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1994 break; 1995 1996 case LINUX_KDGETMODE: 1997 args->cmd = KDGETMODE; 1998 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1999 break; 2000 2001 case LINUX_KDGKBMODE: 2002 args->cmd = KDGKBMODE; 2003 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2004 break; 2005 2006 case LINUX_KDSKBMODE: { 2007 int kbdmode; 2008 switch (args->arg) { 2009 case LINUX_KBD_RAW: 2010 kbdmode = K_RAW; 2011 break; 2012 case LINUX_KBD_XLATE: 2013 kbdmode = K_XLATE; 2014 break; 2015 case LINUX_KBD_MEDIUMRAW: 2016 kbdmode = K_RAW; 2017 break; 2018 default: 2019 fdrop(fp, td); 2020 return (EINVAL); 2021 } 2022 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2023 td->td_ucred, td)); 2024 break; 2025 } 2026 2027 case LINUX_VT_OPENQRY: 2028 args->cmd = VT_OPENQRY; 2029 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2030 break; 2031 2032 case LINUX_VT_GETMODE: 2033 args->cmd = VT_GETMODE; 2034 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2035 break; 2036 2037 case LINUX_VT_SETMODE: { 2038 struct vt_mode mode; 2039 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2040 break; 2041 if (LINUX_SIG_VALID(mode.relsig)) 2042 mode.relsig = linux_to_bsd_signal(mode.relsig); 2043 else 2044 mode.relsig = 0; 2045 if (LINUX_SIG_VALID(mode.acqsig)) 2046 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2047 else 2048 mode.acqsig = 0; 2049 /* XXX. Linux ignores frsig and set it to 0. */ 2050 mode.frsig = 0; 2051 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2052 break; 2053 args->cmd = VT_SETMODE; 2054 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2055 break; 2056 } 2057 2058 case LINUX_VT_GETSTATE: 2059 args->cmd = VT_GETACTIVE; 2060 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2061 break; 2062 2063 case LINUX_VT_RELDISP: 2064 args->cmd = VT_RELDISP; 2065 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2066 break; 2067 2068 case LINUX_VT_ACTIVATE: 2069 args->cmd = VT_ACTIVATE; 2070 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2071 break; 2072 2073 case LINUX_VT_WAITACTIVE: 2074 args->cmd = VT_WAITACTIVE; 2075 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2076 break; 2077 2078 default: 2079 error = ENOIOCTL; 2080 break; 2081 } 2082 2083 fdrop(fp, td); 2084 return (error); 2085 } 2086 2087 /* 2088 * Implement the SIOCGIFNAME ioctl 2089 */ 2090 2091 static int 2092 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2093 { 2094 struct l_ifreq ifr; 2095 int error, ret; 2096 2097 error = copyin(uifr, &ifr, sizeof(ifr)); 2098 if (error != 0) 2099 return (error); 2100 ret = ifname_bsd_to_linux_idx(ifr.ifr_index, ifr.ifr_name, 2101 LINUX_IFNAMSIZ); 2102 if (ret > 0) 2103 return (copyout(&ifr, uifr, sizeof(ifr))); 2104 else 2105 return (ENODEV); 2106 } 2107 2108 /* 2109 * Implement the SIOCGIFCONF ioctl 2110 */ 2111 static u_int 2112 linux_ifconf_ifaddr_cb(void *arg, struct ifaddr *ifa, u_int count) 2113 { 2114 #ifdef COMPAT_LINUX32 2115 struct l_ifconf *ifc; 2116 #else 2117 struct ifconf *ifc; 2118 #endif 2119 2120 ifc = arg; 2121 ifc->ifc_len += sizeof(struct l_ifreq); 2122 return (1); 2123 } 2124 2125 static int 2126 linux_ifconf_ifnet_cb(if_t ifp, void *arg) 2127 { 2128 2129 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb, arg); 2130 return (0); 2131 } 2132 2133 struct linux_ifconfig_ifaddr_cb2_s { 2134 struct l_ifreq ifr; 2135 struct sbuf *sb; 2136 size_t max_len; 2137 size_t valid_len; 2138 }; 2139 2140 static u_int 2141 linux_ifconf_ifaddr_cb2(void *arg, struct ifaddr *ifa, u_int len) 2142 { 2143 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg; 2144 struct sockaddr *sa = ifa->ifa_addr; 2145 2146 cbs->ifr.ifr_addr.sa_family = LINUX_AF_INET; 2147 memcpy(cbs->ifr.ifr_addr.sa_data, sa->sa_data, 2148 sizeof(cbs->ifr.ifr_addr.sa_data)); 2149 sbuf_bcat(cbs->sb, &cbs->ifr, sizeof(cbs->ifr)); 2150 cbs->max_len += sizeof(cbs->ifr); 2151 2152 if (sbuf_error(cbs->sb) == 0) 2153 cbs->valid_len = sbuf_len(cbs->sb); 2154 return (1); 2155 } 2156 2157 static int 2158 linux_ifconf_ifnet_cb2(if_t ifp, void *arg) 2159 { 2160 struct linux_ifconfig_ifaddr_cb2_s *cbs = arg; 2161 2162 bzero(&cbs->ifr, sizeof(cbs->ifr)); 2163 ifname_bsd_to_linux_ifp(ifp, cbs->ifr.ifr_name, 2164 sizeof(cbs->ifr.ifr_name)); 2165 2166 /* Walk the address list */ 2167 if_foreach_addr_type(ifp, AF_INET, linux_ifconf_ifaddr_cb2, cbs); 2168 return (0); 2169 } 2170 2171 static int 2172 linux_ifconf(struct thread *td, struct ifconf *uifc) 2173 { 2174 struct linux_ifconfig_ifaddr_cb2_s cbs; 2175 struct epoch_tracker et; 2176 #ifdef COMPAT_LINUX32 2177 struct l_ifconf ifc; 2178 #else 2179 struct ifconf ifc; 2180 #endif 2181 struct sbuf *sb; 2182 int error, full; 2183 2184 error = copyin(uifc, &ifc, sizeof(ifc)); 2185 if (error != 0) 2186 return (error); 2187 2188 /* handle the 'request buffer size' case */ 2189 if (PTRIN(ifc.ifc_buf) == NULL) { 2190 ifc.ifc_len = 0; 2191 NET_EPOCH_ENTER(et); 2192 if_foreach(linux_ifconf_ifnet_cb, &ifc); 2193 NET_EPOCH_EXIT(et); 2194 return (copyout(&ifc, uifc, sizeof(ifc))); 2195 } 2196 if (ifc.ifc_len <= 0) 2197 return (EINVAL); 2198 2199 full = 0; 2200 cbs.max_len = maxphys - 1; 2201 2202 again: 2203 if (ifc.ifc_len <= cbs.max_len) { 2204 cbs.max_len = ifc.ifc_len; 2205 full = 1; 2206 } 2207 cbs.sb = sb = sbuf_new(NULL, NULL, cbs.max_len + 1, SBUF_FIXEDLEN); 2208 cbs.max_len = 0; 2209 cbs.valid_len = 0; 2210 2211 /* Return all AF_INET addresses of all interfaces */ 2212 NET_EPOCH_ENTER(et); 2213 if_foreach(linux_ifconf_ifnet_cb2, &cbs); 2214 NET_EPOCH_EXIT(et); 2215 2216 if (cbs.valid_len != cbs.max_len && !full) { 2217 sbuf_delete(sb); 2218 goto again; 2219 } 2220 2221 ifc.ifc_len = cbs.valid_len; 2222 sbuf_finish(sb); 2223 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2224 if (error == 0) 2225 error = copyout(&ifc, uifc, sizeof(ifc)); 2226 sbuf_delete(sb); 2227 2228 return (error); 2229 } 2230 2231 static int 2232 linux_ioctl_socket_ifreq(struct thread *td, int fd, u_int cmd, 2233 struct l_ifreq *uifr) 2234 { 2235 struct l_ifreq lifr; 2236 struct ifreq bifr; 2237 size_t ifrusiz; 2238 int error, temp_flags; 2239 2240 switch (cmd) { 2241 case LINUX_SIOCGIFINDEX: 2242 cmd = SIOCGIFINDEX; 2243 break; 2244 case LINUX_SIOCGIFFLAGS: 2245 cmd = SIOCGIFFLAGS; 2246 break; 2247 case LINUX_SIOCGIFADDR: 2248 cmd = SIOCGIFADDR; 2249 break; 2250 case LINUX_SIOCSIFADDR: 2251 cmd = SIOCSIFADDR; 2252 break; 2253 case LINUX_SIOCGIFDSTADDR: 2254 cmd = SIOCGIFDSTADDR; 2255 break; 2256 case LINUX_SIOCGIFBRDADDR: 2257 cmd = SIOCGIFBRDADDR; 2258 break; 2259 case LINUX_SIOCGIFNETMASK: 2260 cmd = SIOCGIFNETMASK; 2261 break; 2262 case LINUX_SIOCSIFNETMASK: 2263 cmd = SIOCSIFNETMASK; 2264 break; 2265 case LINUX_SIOCGIFMTU: 2266 cmd = SIOCGIFMTU; 2267 break; 2268 case LINUX_SIOCSIFMTU: 2269 cmd = SIOCSIFMTU; 2270 break; 2271 case LINUX_SIOCGIFHWADDR: 2272 cmd = SIOCGHWADDR; 2273 break; 2274 case LINUX_SIOCGIFMETRIC: 2275 cmd = SIOCGIFMETRIC; 2276 break; 2277 case LINUX_SIOCSIFMETRIC: 2278 cmd = SIOCSIFMETRIC; 2279 break; 2280 /* 2281 * XXX This is slightly bogus, but these ioctls are currently 2282 * XXX only used by the aironet (if_an) network driver. 2283 */ 2284 case LINUX_SIOCDEVPRIVATE: 2285 cmd = SIOCGPRIVATE_0; 2286 break; 2287 case LINUX_SIOCDEVPRIVATE+1: 2288 cmd = SIOCGPRIVATE_1; 2289 break; 2290 default: 2291 LINUX_RATELIMIT_MSG_OPT2( 2292 "ioctl_socket_ifreq fd=%d, cmd=0x%x is not implemented", 2293 fd, cmd); 2294 return (ENOIOCTL); 2295 } 2296 2297 error = copyin(uifr, &lifr, sizeof(lifr)); 2298 if (error != 0) 2299 return (error); 2300 bzero(&bifr, sizeof(bifr)); 2301 2302 /* 2303 * The size of Linux enum ifr_ifru is bigger than 2304 * the FreeBSD size due to the struct ifmap. 2305 */ 2306 ifrusiz = (sizeof(lifr) > sizeof(bifr) ? sizeof(bifr) : 2307 sizeof(lifr)) - offsetof(struct l_ifreq, ifr_ifru); 2308 bcopy(&lifr.ifr_ifru, &bifr.ifr_ifru, ifrusiz); 2309 2310 error = ifname_linux_to_bsd(td, lifr.ifr_name, bifr.ifr_name); 2311 if (error != 0) 2312 return (error); 2313 2314 /* Translate in values. */ 2315 switch (cmd) { 2316 case SIOCGIFINDEX: 2317 bifr.ifr_index = lifr.ifr_index; 2318 break; 2319 case SIOCSIFADDR: 2320 case SIOCSIFNETMASK: 2321 bifr.ifr_addr.sa_len = sizeof(struct sockaddr); 2322 bifr.ifr_addr.sa_family = 2323 linux_to_bsd_domain(lifr.ifr_addr.sa_family); 2324 break; 2325 default: 2326 break; 2327 } 2328 2329 error = kern_ioctl(td, fd, cmd, (caddr_t)&bifr); 2330 if (error != 0) 2331 return (error); 2332 bzero(&lifr.ifr_ifru, sizeof(lifr.ifr_ifru)); 2333 2334 /* Translate out values. */ 2335 switch (cmd) { 2336 case SIOCGIFINDEX: 2337 lifr.ifr_index = bifr.ifr_index; 2338 break; 2339 case SIOCGIFFLAGS: 2340 temp_flags = bifr.ifr_flags | (bifr.ifr_flagshigh << 16); 2341 lifr.ifr_flags = bsd_to_linux_ifflags(temp_flags); 2342 break; 2343 case SIOCGIFADDR: 2344 case SIOCSIFADDR: 2345 case SIOCGIFDSTADDR: 2346 case SIOCGIFBRDADDR: 2347 case SIOCGIFNETMASK: 2348 bcopy(&bifr.ifr_addr, &lifr.ifr_addr, sizeof(bifr.ifr_addr)); 2349 lifr.ifr_addr.sa_family = 2350 bsd_to_linux_domain(bifr.ifr_addr.sa_family); 2351 break; 2352 case SIOCGHWADDR: 2353 bcopy(&bifr.ifr_addr, &lifr.ifr_hwaddr, sizeof(bifr.ifr_addr)); 2354 lifr.ifr_hwaddr.sa_family = LINUX_ARPHRD_ETHER; 2355 break; 2356 default: 2357 bcopy(&bifr.ifr_ifru, &lifr.ifr_ifru, ifrusiz); 2358 break; 2359 } 2360 2361 return (copyout(&lifr, uifr, sizeof(lifr))); 2362 } 2363 2364 /* 2365 * Socket related ioctls 2366 */ 2367 2368 static int 2369 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2370 { 2371 struct file *fp; 2372 int error, type; 2373 2374 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2375 if (error != 0) 2376 return (error); 2377 type = fp->f_type; 2378 fdrop(fp, td); 2379 2380 CURVNET_SET(TD_TO_VNET(td)); 2381 2382 if (type != DTYPE_SOCKET) { 2383 /* not a socket - probably a tap / vmnet device */ 2384 switch (args->cmd) { 2385 case LINUX_SIOCGIFADDR: 2386 case LINUX_SIOCSIFADDR: 2387 case LINUX_SIOCGIFFLAGS: 2388 error = linux_ioctl_special(td, args); 2389 break; 2390 default: 2391 error = ENOIOCTL; 2392 break; 2393 } 2394 CURVNET_RESTORE(); 2395 return (error); 2396 } 2397 2398 switch (args->cmd) { 2399 case LINUX_FIOSETOWN: 2400 args->cmd = FIOSETOWN; 2401 error = sys_ioctl(td, (struct ioctl_args *)args); 2402 break; 2403 2404 case LINUX_SIOCSPGRP: 2405 args->cmd = SIOCSPGRP; 2406 error = sys_ioctl(td, (struct ioctl_args *)args); 2407 break; 2408 2409 case LINUX_FIOGETOWN: 2410 args->cmd = FIOGETOWN; 2411 error = sys_ioctl(td, (struct ioctl_args *)args); 2412 break; 2413 2414 case LINUX_SIOCGPGRP: 2415 args->cmd = SIOCGPGRP; 2416 error = sys_ioctl(td, (struct ioctl_args *)args); 2417 break; 2418 2419 case LINUX_SIOCATMARK: 2420 args->cmd = SIOCATMARK; 2421 error = sys_ioctl(td, (struct ioctl_args *)args); 2422 break; 2423 2424 /* LINUX_SIOCGSTAMP */ 2425 2426 case LINUX_SIOCGIFNAME: 2427 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2428 break; 2429 2430 case LINUX_SIOCGIFCONF: 2431 error = linux_ifconf(td, (struct ifconf *)args->arg); 2432 break; 2433 2434 case LINUX_SIOCADDMULTI: 2435 args->cmd = SIOCADDMULTI; 2436 error = sys_ioctl(td, (struct ioctl_args *)args); 2437 break; 2438 2439 case LINUX_SIOCDELMULTI: 2440 args->cmd = SIOCDELMULTI; 2441 error = sys_ioctl(td, (struct ioctl_args *)args); 2442 break; 2443 2444 case LINUX_SIOCGIFCOUNT: 2445 error = 0; 2446 break; 2447 2448 default: 2449 error = linux_ioctl_socket_ifreq(td, args->fd, args->cmd, 2450 PTRIN(args->arg)); 2451 break; 2452 } 2453 2454 CURVNET_RESTORE(); 2455 return (error); 2456 } 2457 2458 /* 2459 * Device private ioctl handler 2460 */ 2461 static int 2462 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2463 { 2464 struct file *fp; 2465 int error, type; 2466 2467 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2468 if (error != 0) 2469 return (error); 2470 type = fp->f_type; 2471 fdrop(fp, td); 2472 if (type == DTYPE_SOCKET) 2473 return (linux_ioctl_socket(td, args)); 2474 return (ENOIOCTL); 2475 } 2476 2477 /* 2478 * DRM ioctl handler (sys/dev/drm) 2479 */ 2480 static int 2481 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2482 { 2483 args->cmd = SETDIR(args->cmd); 2484 return (sys_ioctl(td, (struct ioctl_args *)args)); 2485 } 2486 2487 #ifdef COMPAT_LINUX32 2488 static int 2489 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2490 { 2491 struct sg_io_hdr io; 2492 struct sg_io_hdr32 io32; 2493 struct file *fp; 2494 int error; 2495 2496 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2497 if (error != 0) { 2498 printf("sg_linux_ioctl: fget returned %d\n", error); 2499 return (error); 2500 } 2501 2502 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2503 goto out; 2504 2505 CP(io32, io, interface_id); 2506 CP(io32, io, dxfer_direction); 2507 CP(io32, io, cmd_len); 2508 CP(io32, io, mx_sb_len); 2509 CP(io32, io, iovec_count); 2510 CP(io32, io, dxfer_len); 2511 PTRIN_CP(io32, io, dxferp); 2512 PTRIN_CP(io32, io, cmdp); 2513 PTRIN_CP(io32, io, sbp); 2514 CP(io32, io, timeout); 2515 CP(io32, io, flags); 2516 CP(io32, io, pack_id); 2517 PTRIN_CP(io32, io, usr_ptr); 2518 CP(io32, io, status); 2519 CP(io32, io, masked_status); 2520 CP(io32, io, msg_status); 2521 CP(io32, io, sb_len_wr); 2522 CP(io32, io, host_status); 2523 CP(io32, io, driver_status); 2524 CP(io32, io, resid); 2525 CP(io32, io, duration); 2526 CP(io32, io, info); 2527 2528 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2529 goto out; 2530 2531 CP(io, io32, interface_id); 2532 CP(io, io32, dxfer_direction); 2533 CP(io, io32, cmd_len); 2534 CP(io, io32, mx_sb_len); 2535 CP(io, io32, iovec_count); 2536 CP(io, io32, dxfer_len); 2537 PTROUT_CP(io, io32, dxferp); 2538 PTROUT_CP(io, io32, cmdp); 2539 PTROUT_CP(io, io32, sbp); 2540 CP(io, io32, timeout); 2541 CP(io, io32, flags); 2542 CP(io, io32, pack_id); 2543 PTROUT_CP(io, io32, usr_ptr); 2544 CP(io, io32, status); 2545 CP(io, io32, masked_status); 2546 CP(io, io32, msg_status); 2547 CP(io, io32, sb_len_wr); 2548 CP(io, io32, host_status); 2549 CP(io, io32, driver_status); 2550 CP(io, io32, resid); 2551 CP(io, io32, duration); 2552 CP(io, io32, info); 2553 2554 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2555 2556 out: 2557 fdrop(fp, td); 2558 return (error); 2559 } 2560 #endif 2561 2562 static int 2563 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2564 { 2565 2566 switch (args->cmd) { 2567 case LINUX_SG_GET_VERSION_NUM: 2568 args->cmd = SG_GET_VERSION_NUM; 2569 break; 2570 case LINUX_SG_SET_TIMEOUT: 2571 args->cmd = SG_SET_TIMEOUT; 2572 break; 2573 case LINUX_SG_GET_TIMEOUT: 2574 args->cmd = SG_GET_TIMEOUT; 2575 break; 2576 case LINUX_SG_IO: 2577 args->cmd = SG_IO; 2578 #ifdef COMPAT_LINUX32 2579 return (linux_ioctl_sg_io(td, args)); 2580 #endif 2581 break; 2582 case LINUX_SG_GET_RESERVED_SIZE: 2583 args->cmd = SG_GET_RESERVED_SIZE; 2584 break; 2585 case LINUX_SG_GET_SCSI_ID: 2586 args->cmd = SG_GET_SCSI_ID; 2587 break; 2588 case LINUX_SG_GET_SG_TABLESIZE: 2589 args->cmd = SG_GET_SG_TABLESIZE; 2590 break; 2591 default: 2592 return (ENODEV); 2593 } 2594 return (sys_ioctl(td, (struct ioctl_args *)args)); 2595 } 2596 2597 /* 2598 * Video4Linux (V4L) ioctl handler 2599 */ 2600 static int 2601 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2602 { 2603 vt->tuner = lvt->tuner; 2604 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2605 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2606 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2607 vt->flags = lvt->flags; 2608 vt->mode = lvt->mode; 2609 vt->signal = lvt->signal; 2610 return (0); 2611 } 2612 2613 static int 2614 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2615 { 2616 lvt->tuner = vt->tuner; 2617 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2618 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2619 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2620 lvt->flags = vt->flags; 2621 lvt->mode = vt->mode; 2622 lvt->signal = vt->signal; 2623 return (0); 2624 } 2625 2626 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2627 static int 2628 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2629 { 2630 vc->x = lvc->x; 2631 vc->y = lvc->y; 2632 vc->width = lvc->width; 2633 vc->height = lvc->height; 2634 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2635 return (0); 2636 } 2637 #endif 2638 2639 static int 2640 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2641 { 2642 vw->x = lvw->x; 2643 vw->y = lvw->y; 2644 vw->width = lvw->width; 2645 vw->height = lvw->height; 2646 vw->chromakey = lvw->chromakey; 2647 vw->flags = lvw->flags; 2648 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2649 vw->clipcount = lvw->clipcount; 2650 return (0); 2651 } 2652 2653 static int 2654 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2655 { 2656 memset(lvw, 0, sizeof(*lvw)); 2657 2658 lvw->x = vw->x; 2659 lvw->y = vw->y; 2660 lvw->width = vw->width; 2661 lvw->height = vw->height; 2662 lvw->chromakey = vw->chromakey; 2663 lvw->flags = vw->flags; 2664 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2665 lvw->clipcount = vw->clipcount; 2666 return (0); 2667 } 2668 2669 static int 2670 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2671 { 2672 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2673 vb->height = lvb->height; 2674 vb->width = lvb->width; 2675 vb->depth = lvb->depth; 2676 vb->bytesperline = lvb->bytesperline; 2677 return (0); 2678 } 2679 2680 static int 2681 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2682 { 2683 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2684 lvb->height = vb->height; 2685 lvb->width = vb->width; 2686 lvb->depth = vb->depth; 2687 lvb->bytesperline = vb->bytesperline; 2688 return (0); 2689 } 2690 2691 static int 2692 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2693 { 2694 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2695 vc->datasize = lvc->datasize; 2696 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2697 return (0); 2698 } 2699 2700 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2701 static int 2702 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2703 { 2704 int error; 2705 struct video_clip vclip; 2706 struct l_video_clip l_vclip; 2707 2708 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2709 if (error) return (error); 2710 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2711 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2712 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2713 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2714 memcpy(*ppvc, &vclip, sizeof(vclip)); 2715 (*ppvc)->next = NULL; 2716 return (0); 2717 } 2718 2719 static int 2720 linux_v4l_cliplist_free(struct video_window *vw) 2721 { 2722 struct video_clip **ppvc; 2723 struct video_clip **ppvc_next; 2724 2725 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2726 ppvc_next = &((*ppvc)->next); 2727 free(*ppvc, M_LINUX); 2728 } 2729 vw->clips = NULL; 2730 2731 return (0); 2732 } 2733 2734 static int 2735 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2736 { 2737 int error; 2738 int clipcount; 2739 void *plvc; 2740 struct video_clip **ppvc; 2741 2742 /* 2743 * XXX: The cliplist is used to pass in a list of clipping 2744 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2745 * clipping bitmap. Some Linux apps, however, appear to 2746 * leave cliplist and clips uninitialized. In any case, 2747 * the cliplist is not used by pwc(4), at the time of 2748 * writing, FreeBSD's only V4L driver. When a driver 2749 * that uses the cliplist is developed, this code may 2750 * need re-examiniation. 2751 */ 2752 error = 0; 2753 clipcount = vw->clipcount; 2754 if (clipcount == VIDEO_CLIP_BITMAP) { 2755 /* 2756 * In this case, the pointer (clips) is overloaded 2757 * to be a "void *" to a bitmap, therefore there 2758 * is no struct video_clip to copy now. 2759 */ 2760 } else if (clipcount > 0 && clipcount <= 16384) { 2761 /* 2762 * Clips points to list of clip rectangles, so 2763 * copy the list. 2764 * 2765 * XXX: Upper limit of 16384 was used here to try to 2766 * avoid cases when clipcount and clips pointer 2767 * are uninitialized and therefore have high random 2768 * values, as is the case in the Linux Skype 2769 * application. The value 16384 was chosen as that 2770 * is what is used in the Linux stradis(4) MPEG 2771 * decoder driver, the only place we found an 2772 * example of cliplist use. 2773 */ 2774 plvc = PTRIN(lvw->clips); 2775 vw->clips = NULL; 2776 ppvc = &(vw->clips); 2777 while (clipcount-- > 0) { 2778 if (plvc == NULL) { 2779 error = EFAULT; 2780 break; 2781 } else { 2782 error = linux_v4l_clip_copy(plvc, ppvc); 2783 if (error) { 2784 linux_v4l_cliplist_free(vw); 2785 break; 2786 } 2787 } 2788 ppvc = &((*ppvc)->next); 2789 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2790 } 2791 } else { 2792 /* 2793 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2794 * Force cliplist to null. 2795 */ 2796 vw->clipcount = 0; 2797 vw->clips = NULL; 2798 } 2799 return (error); 2800 } 2801 #endif 2802 2803 static int 2804 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2805 { 2806 struct file *fp; 2807 int error; 2808 struct video_tuner vtun; 2809 struct video_window vwin; 2810 struct video_buffer vbuf; 2811 struct video_code vcode; 2812 struct l_video_tuner l_vtun; 2813 struct l_video_window l_vwin; 2814 struct l_video_buffer l_vbuf; 2815 struct l_video_code l_vcode; 2816 2817 switch (args->cmd & 0xffff) { 2818 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2819 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2820 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2821 2822 case LINUX_VIDIOCGTUNER: 2823 error = fget(td, args->fd, 2824 &cap_ioctl_rights, &fp); 2825 if (error != 0) 2826 return (error); 2827 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2828 if (error) { 2829 fdrop(fp, td); 2830 return (error); 2831 } 2832 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2833 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2834 if (!error) { 2835 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2836 error = copyout(&l_vtun, (void *) args->arg, 2837 sizeof(l_vtun)); 2838 } 2839 fdrop(fp, td); 2840 return (error); 2841 2842 case LINUX_VIDIOCSTUNER: 2843 error = fget(td, args->fd, 2844 &cap_ioctl_rights, &fp); 2845 if (error != 0) 2846 return (error); 2847 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2848 if (error) { 2849 fdrop(fp, td); 2850 return (error); 2851 } 2852 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2853 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2854 fdrop(fp, td); 2855 return (error); 2856 2857 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2858 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2859 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2860 2861 case LINUX_VIDIOCGWIN: 2862 error = fget(td, args->fd, 2863 &cap_ioctl_rights, &fp); 2864 if (error != 0) 2865 return (error); 2866 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2867 if (!error) { 2868 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2869 error = copyout(&l_vwin, (void *) args->arg, 2870 sizeof(l_vwin)); 2871 } 2872 fdrop(fp, td); 2873 return (error); 2874 2875 case LINUX_VIDIOCSWIN: 2876 error = fget(td, args->fd, 2877 &cap_ioctl_rights, &fp); 2878 if (error != 0) 2879 return (error); 2880 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2881 if (error) { 2882 fdrop(fp, td); 2883 return (error); 2884 } 2885 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2886 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2887 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2888 if (error) { 2889 fdrop(fp, td); 2890 return (error); 2891 } 2892 #endif 2893 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2894 fdrop(fp, td); 2895 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2896 linux_v4l_cliplist_free(&vwin); 2897 #endif 2898 return (error); 2899 2900 case LINUX_VIDIOCGFBUF: 2901 error = fget(td, args->fd, 2902 &cap_ioctl_rights, &fp); 2903 if (error != 0) 2904 return (error); 2905 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2906 if (!error) { 2907 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2908 error = copyout(&l_vbuf, (void *) args->arg, 2909 sizeof(l_vbuf)); 2910 } 2911 fdrop(fp, td); 2912 return (error); 2913 2914 case LINUX_VIDIOCSFBUF: 2915 error = fget(td, args->fd, 2916 &cap_ioctl_rights, &fp); 2917 if (error != 0) 2918 return (error); 2919 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2920 if (error) { 2921 fdrop(fp, td); 2922 return (error); 2923 } 2924 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2925 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2926 fdrop(fp, td); 2927 return (error); 2928 2929 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2930 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2931 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2932 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2933 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2934 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2935 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2936 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2937 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2938 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 2939 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 2940 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 2941 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 2942 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 2943 2944 case LINUX_VIDIOCSMICROCODE: 2945 error = fget(td, args->fd, 2946 &cap_ioctl_rights, &fp); 2947 if (error != 0) 2948 return (error); 2949 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 2950 if (error) { 2951 fdrop(fp, td); 2952 return (error); 2953 } 2954 linux_to_bsd_v4l_code(&l_vcode, &vcode); 2955 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 2956 fdrop(fp, td); 2957 return (error); 2958 2959 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 2960 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 2961 default: return (ENOIOCTL); 2962 } 2963 2964 error = sys_ioctl(td, (struct ioctl_args *)args); 2965 return (error); 2966 } 2967 2968 /* 2969 * Special ioctl handler 2970 */ 2971 static int 2972 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2973 { 2974 int error; 2975 2976 switch (args->cmd) { 2977 case LINUX_SIOCGIFADDR: 2978 args->cmd = SIOCGIFADDR; 2979 error = sys_ioctl(td, (struct ioctl_args *)args); 2980 break; 2981 case LINUX_SIOCSIFADDR: 2982 args->cmd = SIOCSIFADDR; 2983 error = sys_ioctl(td, (struct ioctl_args *)args); 2984 break; 2985 case LINUX_SIOCGIFFLAGS: 2986 args->cmd = SIOCGIFFLAGS; 2987 error = sys_ioctl(td, (struct ioctl_args *)args); 2988 break; 2989 default: 2990 error = ENOIOCTL; 2991 } 2992 2993 return (error); 2994 } 2995 2996 static int 2997 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 2998 { 2999 vstd->index = lvstd->index; 3000 vstd->id = lvstd->id; 3001 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3002 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3003 vstd->frameperiod = lvstd->frameperiod; 3004 vstd->framelines = lvstd->framelines; 3005 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3006 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3007 return (0); 3008 } 3009 3010 static int 3011 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3012 { 3013 lvstd->index = vstd->index; 3014 lvstd->id = vstd->id; 3015 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3016 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3017 lvstd->frameperiod = vstd->frameperiod; 3018 lvstd->framelines = vstd->framelines; 3019 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3020 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3021 return (0); 3022 } 3023 3024 static int 3025 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3026 { 3027 vb->index = lvb->index; 3028 vb->type = lvb->type; 3029 vb->bytesused = lvb->bytesused; 3030 vb->flags = lvb->flags; 3031 vb->field = lvb->field; 3032 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3033 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3034 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3035 vb->sequence = lvb->sequence; 3036 vb->memory = lvb->memory; 3037 if (lvb->memory == V4L2_MEMORY_USERPTR) 3038 /* possible pointer size conversion */ 3039 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3040 else 3041 vb->m.offset = lvb->m.offset; 3042 vb->length = lvb->length; 3043 vb->input = lvb->input; 3044 vb->reserved = lvb->reserved; 3045 return (0); 3046 } 3047 3048 static int 3049 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3050 { 3051 lvb->index = vb->index; 3052 lvb->type = vb->type; 3053 lvb->bytesused = vb->bytesused; 3054 lvb->flags = vb->flags; 3055 lvb->field = vb->field; 3056 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3057 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3058 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3059 lvb->sequence = vb->sequence; 3060 lvb->memory = vb->memory; 3061 if (vb->memory == V4L2_MEMORY_USERPTR) 3062 /* possible pointer size conversion */ 3063 lvb->m.userptr = PTROUT(vb->m.userptr); 3064 else 3065 lvb->m.offset = vb->m.offset; 3066 lvb->length = vb->length; 3067 lvb->input = vb->input; 3068 lvb->reserved = vb->reserved; 3069 return (0); 3070 } 3071 3072 static int 3073 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3074 { 3075 vf->type = lvf->type; 3076 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3077 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3078 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3079 #endif 3080 ) 3081 /* 3082 * XXX TODO - needs 32 -> 64 bit conversion: 3083 * (unused by webcams?) 3084 */ 3085 return (EINVAL); 3086 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3087 return (0); 3088 } 3089 3090 static int 3091 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3092 { 3093 lvf->type = vf->type; 3094 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3095 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3096 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3097 #endif 3098 ) 3099 /* 3100 * XXX TODO - needs 32 -> 64 bit conversion: 3101 * (unused by webcams?) 3102 */ 3103 return (EINVAL); 3104 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3105 return (0); 3106 } 3107 static int 3108 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3109 { 3110 struct file *fp; 3111 int error; 3112 struct v4l2_format vformat; 3113 struct l_v4l2_format l_vformat; 3114 struct v4l2_standard vstd; 3115 struct l_v4l2_standard l_vstd; 3116 struct l_v4l2_buffer l_vbuf; 3117 struct v4l2_buffer vbuf; 3118 struct v4l2_input vinp; 3119 3120 switch (args->cmd & 0xffff) { 3121 case LINUX_VIDIOC_RESERVED: 3122 case LINUX_VIDIOC_LOG_STATUS: 3123 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3124 return (ENOIOCTL); 3125 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3126 break; 3127 3128 case LINUX_VIDIOC_OVERLAY: 3129 case LINUX_VIDIOC_STREAMON: 3130 case LINUX_VIDIOC_STREAMOFF: 3131 case LINUX_VIDIOC_S_STD: 3132 case LINUX_VIDIOC_S_TUNER: 3133 case LINUX_VIDIOC_S_AUDIO: 3134 case LINUX_VIDIOC_S_AUDOUT: 3135 case LINUX_VIDIOC_S_MODULATOR: 3136 case LINUX_VIDIOC_S_FREQUENCY: 3137 case LINUX_VIDIOC_S_CROP: 3138 case LINUX_VIDIOC_S_JPEGCOMP: 3139 case LINUX_VIDIOC_S_PRIORITY: 3140 case LINUX_VIDIOC_DBG_S_REGISTER: 3141 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3142 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3143 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3144 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3145 break; 3146 3147 case LINUX_VIDIOC_QUERYCAP: 3148 case LINUX_VIDIOC_G_STD: 3149 case LINUX_VIDIOC_G_AUDIO: 3150 case LINUX_VIDIOC_G_INPUT: 3151 case LINUX_VIDIOC_G_OUTPUT: 3152 case LINUX_VIDIOC_G_AUDOUT: 3153 case LINUX_VIDIOC_G_JPEGCOMP: 3154 case LINUX_VIDIOC_QUERYSTD: 3155 case LINUX_VIDIOC_G_PRIORITY: 3156 case LINUX_VIDIOC_QUERY_DV_PRESET: 3157 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3158 break; 3159 3160 case LINUX_VIDIOC_ENUM_FMT: 3161 case LINUX_VIDIOC_REQBUFS: 3162 case LINUX_VIDIOC_G_PARM: 3163 case LINUX_VIDIOC_S_PARM: 3164 case LINUX_VIDIOC_G_CTRL: 3165 case LINUX_VIDIOC_S_CTRL: 3166 case LINUX_VIDIOC_G_TUNER: 3167 case LINUX_VIDIOC_QUERYCTRL: 3168 case LINUX_VIDIOC_QUERYMENU: 3169 case LINUX_VIDIOC_S_INPUT: 3170 case LINUX_VIDIOC_S_OUTPUT: 3171 case LINUX_VIDIOC_ENUMOUTPUT: 3172 case LINUX_VIDIOC_G_MODULATOR: 3173 case LINUX_VIDIOC_G_FREQUENCY: 3174 case LINUX_VIDIOC_CROPCAP: 3175 case LINUX_VIDIOC_G_CROP: 3176 case LINUX_VIDIOC_ENUMAUDIO: 3177 case LINUX_VIDIOC_ENUMAUDOUT: 3178 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3179 #ifdef VIDIOC_ENUM_FRAMESIZES 3180 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3181 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3182 case LINUX_VIDIOC_ENCODER_CMD: 3183 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3184 #endif 3185 case LINUX_VIDIOC_DBG_G_REGISTER: 3186 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3187 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3188 case LINUX_VIDIOC_S_DV_PRESET: 3189 case LINUX_VIDIOC_G_DV_PRESET: 3190 case LINUX_VIDIOC_S_DV_TIMINGS: 3191 case LINUX_VIDIOC_G_DV_TIMINGS: 3192 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3193 break; 3194 3195 case LINUX_VIDIOC_G_FMT: 3196 case LINUX_VIDIOC_S_FMT: 3197 case LINUX_VIDIOC_TRY_FMT: 3198 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3199 if (error) 3200 return (error); 3201 error = fget(td, args->fd, 3202 &cap_ioctl_rights, &fp); 3203 if (error) 3204 return (error); 3205 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3206 error = EINVAL; 3207 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3208 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3209 td->td_ucred, td); 3210 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3211 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3212 td->td_ucred, td); 3213 else 3214 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3215 td->td_ucred, td); 3216 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3217 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3218 fdrop(fp, td); 3219 return (error); 3220 3221 case LINUX_VIDIOC_ENUMSTD: 3222 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3223 if (error) 3224 return (error); 3225 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3226 error = fget(td, args->fd, 3227 &cap_ioctl_rights, &fp); 3228 if (error) 3229 return (error); 3230 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3231 td->td_ucred, td); 3232 if (error) { 3233 fdrop(fp, td); 3234 return (error); 3235 } 3236 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3237 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3238 fdrop(fp, td); 3239 return (error); 3240 3241 case LINUX_VIDIOC_ENUMINPUT: 3242 /* 3243 * The Linux struct l_v4l2_input differs only in size, 3244 * it has no padding at the end. 3245 */ 3246 error = copyin((void *)args->arg, &vinp, 3247 sizeof(struct l_v4l2_input)); 3248 if (error != 0) 3249 return (error); 3250 error = fget(td, args->fd, 3251 &cap_ioctl_rights, &fp); 3252 if (error != 0) 3253 return (error); 3254 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3255 td->td_ucred, td); 3256 if (error) { 3257 fdrop(fp, td); 3258 return (error); 3259 } 3260 error = copyout(&vinp, (void *)args->arg, 3261 sizeof(struct l_v4l2_input)); 3262 fdrop(fp, td); 3263 return (error); 3264 3265 case LINUX_VIDIOC_QUERYBUF: 3266 case LINUX_VIDIOC_QBUF: 3267 case LINUX_VIDIOC_DQBUF: 3268 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3269 if (error) 3270 return (error); 3271 error = fget(td, args->fd, 3272 &cap_ioctl_rights, &fp); 3273 if (error) 3274 return (error); 3275 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3276 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3277 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3278 td->td_ucred, td); 3279 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3280 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3281 td->td_ucred, td); 3282 else 3283 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3284 td->td_ucred, td); 3285 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3286 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3287 fdrop(fp, td); 3288 return (error); 3289 3290 /* 3291 * XXX TODO - these need 32 -> 64 bit conversion: 3292 * (are any of them needed for webcams?) 3293 */ 3294 case LINUX_VIDIOC_G_FBUF: 3295 case LINUX_VIDIOC_S_FBUF: 3296 3297 case LINUX_VIDIOC_G_EXT_CTRLS: 3298 case LINUX_VIDIOC_S_EXT_CTRLS: 3299 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3300 3301 case LINUX_VIDIOC_DQEVENT: 3302 3303 default: return (ENOIOCTL); 3304 } 3305 3306 error = sys_ioctl(td, (struct ioctl_args *)args); 3307 return (error); 3308 } 3309 3310 /* 3311 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3312 * instead of USB* ones. This lets us to provide correct values for cmd. 3313 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3314 */ 3315 static int 3316 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3317 { 3318 int error; 3319 3320 error = 0; 3321 switch (args->cmd) { 3322 case FBSD_LUSB_DEVICEENUMERATE: 3323 args->cmd = USB_DEVICEENUMERATE; 3324 break; 3325 case FBSD_LUSB_DEV_QUIRK_ADD: 3326 args->cmd = USB_DEV_QUIRK_ADD; 3327 break; 3328 case FBSD_LUSB_DEV_QUIRK_GET: 3329 args->cmd = USB_DEV_QUIRK_GET; 3330 break; 3331 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3332 args->cmd = USB_DEV_QUIRK_REMOVE; 3333 break; 3334 case FBSD_LUSB_DO_REQUEST: 3335 args->cmd = USB_DO_REQUEST; 3336 break; 3337 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3338 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3339 break; 3340 case FBSD_LUSB_FS_CLOSE: 3341 args->cmd = USB_FS_CLOSE; 3342 break; 3343 case FBSD_LUSB_FS_COMPLETE: 3344 args->cmd = USB_FS_COMPLETE; 3345 break; 3346 case FBSD_LUSB_FS_INIT: 3347 args->cmd = USB_FS_INIT; 3348 break; 3349 case FBSD_LUSB_FS_OPEN: 3350 args->cmd = USB_FS_OPEN; 3351 break; 3352 case FBSD_LUSB_FS_START: 3353 args->cmd = USB_FS_START; 3354 break; 3355 case FBSD_LUSB_FS_STOP: 3356 args->cmd = USB_FS_STOP; 3357 break; 3358 case FBSD_LUSB_FS_UNINIT: 3359 args->cmd = USB_FS_UNINIT; 3360 break; 3361 case FBSD_LUSB_GET_CONFIG: 3362 args->cmd = USB_GET_CONFIG; 3363 break; 3364 case FBSD_LUSB_GET_DEVICEINFO: 3365 args->cmd = USB_GET_DEVICEINFO; 3366 break; 3367 case FBSD_LUSB_GET_DEVICE_DESC: 3368 args->cmd = USB_GET_DEVICE_DESC; 3369 break; 3370 case FBSD_LUSB_GET_FULL_DESC: 3371 args->cmd = USB_GET_FULL_DESC; 3372 break; 3373 case FBSD_LUSB_GET_IFACE_DRIVER: 3374 args->cmd = USB_GET_IFACE_DRIVER; 3375 break; 3376 case FBSD_LUSB_GET_PLUGTIME: 3377 args->cmd = USB_GET_PLUGTIME; 3378 break; 3379 case FBSD_LUSB_GET_POWER_MODE: 3380 args->cmd = USB_GET_POWER_MODE; 3381 break; 3382 case FBSD_LUSB_GET_REPORT_DESC: 3383 args->cmd = USB_GET_REPORT_DESC; 3384 break; 3385 case FBSD_LUSB_GET_REPORT_ID: 3386 args->cmd = USB_GET_REPORT_ID; 3387 break; 3388 case FBSD_LUSB_GET_TEMPLATE: 3389 args->cmd = USB_GET_TEMPLATE; 3390 break; 3391 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3392 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3393 break; 3394 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3395 args->cmd = USB_IFACE_DRIVER_DETACH; 3396 break; 3397 case FBSD_LUSB_QUIRK_NAME_GET: 3398 args->cmd = USB_QUIRK_NAME_GET; 3399 break; 3400 case FBSD_LUSB_READ_DIR: 3401 args->cmd = USB_READ_DIR; 3402 break; 3403 case FBSD_LUSB_SET_ALTINTERFACE: 3404 args->cmd = USB_SET_ALTINTERFACE; 3405 break; 3406 case FBSD_LUSB_SET_CONFIG: 3407 args->cmd = USB_SET_CONFIG; 3408 break; 3409 case FBSD_LUSB_SET_IMMED: 3410 args->cmd = USB_SET_IMMED; 3411 break; 3412 case FBSD_LUSB_SET_POWER_MODE: 3413 args->cmd = USB_SET_POWER_MODE; 3414 break; 3415 case FBSD_LUSB_SET_TEMPLATE: 3416 args->cmd = USB_SET_TEMPLATE; 3417 break; 3418 case FBSD_LUSB_FS_OPEN_STREAM: 3419 args->cmd = USB_FS_OPEN_STREAM; 3420 break; 3421 case FBSD_LUSB_GET_DEV_PORT_PATH: 3422 args->cmd = USB_GET_DEV_PORT_PATH; 3423 break; 3424 case FBSD_LUSB_GET_POWER_USAGE: 3425 args->cmd = USB_GET_POWER_USAGE; 3426 break; 3427 case FBSD_LUSB_DEVICESTATS: 3428 args->cmd = USB_DEVICESTATS; 3429 break; 3430 default: 3431 error = ENOIOCTL; 3432 } 3433 if (error != ENOIOCTL) 3434 error = sys_ioctl(td, (struct ioctl_args *)args); 3435 return (error); 3436 } 3437 3438 /* 3439 * Some evdev ioctls must be translated. 3440 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3441 * (must be IOC_INOUT on FreeBSD). 3442 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3443 * an int argument. You don't pass an int pointer to the ioctl(), however, 3444 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3445 * this to work. 3446 */ 3447 static int 3448 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3449 { 3450 struct file *fp; 3451 clockid_t clock; 3452 int error; 3453 3454 args->cmd = SETDIR(args->cmd); 3455 3456 switch (args->cmd) { 3457 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3458 args->cmd = EVIOCGRAB; 3459 break; 3460 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3461 args->cmd = EVIOCREVOKE; 3462 break; 3463 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3464 args->cmd = EVIOCRMFF; 3465 break; 3466 case EVIOCSCLOCKID: { 3467 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3468 if (error != 0) 3469 return (error); 3470 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3471 return (EINVAL); 3472 error = linux_to_native_clockid(&clock, clock); 3473 if (error != 0) 3474 return (error); 3475 3476 error = fget(td, args->fd, 3477 &cap_ioctl_rights, &fp); 3478 if (error != 0) 3479 return (error); 3480 3481 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3482 fdrop(fp, td); 3483 return (error); 3484 } 3485 default: 3486 break; 3487 } 3488 3489 if (IOCBASECMD(args->cmd) == 3490 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3491 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3492 3493 return (sys_ioctl(td, (struct ioctl_args *)args)); 3494 } 3495 3496 static int 3497 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3498 { 3499 int error; 3500 3501 error = 0; 3502 switch (args->cmd & 0xffff) { 3503 case LINUX_KCOV_INIT_TRACE: 3504 args->cmd = KIOSETBUFSIZE; 3505 break; 3506 case LINUX_KCOV_ENABLE: 3507 args->cmd = KIOENABLE; 3508 if (args->arg == 0) 3509 args->arg = KCOV_MODE_TRACE_PC; 3510 else if (args->arg == 1) 3511 args->arg = KCOV_MODE_TRACE_CMP; 3512 else 3513 error = EINVAL; 3514 break; 3515 case LINUX_KCOV_DISABLE: 3516 args->cmd = KIODISABLE; 3517 break; 3518 default: 3519 error = ENOTTY; 3520 break; 3521 } 3522 3523 if (error == 0) 3524 error = sys_ioctl(td, (struct ioctl_args *)args); 3525 return (error); 3526 } 3527 3528 /* 3529 * main ioctl syscall function 3530 */ 3531 3532 static int 3533 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3534 { 3535 struct file *fp; 3536 struct linux_ioctl_handler_element *he; 3537 int error, cmd; 3538 3539 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3540 if (error != 0) 3541 return (error); 3542 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3543 fdrop(fp, td); 3544 return (EBADF); 3545 } 3546 3547 /* Iterate over the ioctl handlers */ 3548 cmd = args->cmd & 0xffff; 3549 sx_slock(&linux_ioctl_sx); 3550 mtx_lock(&Giant); 3551 #ifdef COMPAT_LINUX32 3552 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3553 if (cmd >= he->low && cmd <= he->high) { 3554 error = (*he->func)(td, args); 3555 if (error != ENOIOCTL) { 3556 mtx_unlock(&Giant); 3557 sx_sunlock(&linux_ioctl_sx); 3558 fdrop(fp, td); 3559 return (error); 3560 } 3561 } 3562 } 3563 #endif 3564 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3565 if (cmd >= he->low && cmd <= he->high) { 3566 error = (*he->func)(td, args); 3567 if (error != ENOIOCTL) { 3568 mtx_unlock(&Giant); 3569 sx_sunlock(&linux_ioctl_sx); 3570 fdrop(fp, td); 3571 return (error); 3572 } 3573 } 3574 } 3575 mtx_unlock(&Giant); 3576 sx_sunlock(&linux_ioctl_sx); 3577 fdrop(fp, td); 3578 3579 switch (args->cmd & 0xffff) { 3580 case LINUX_BTRFS_IOC_CLONE: 3581 case LINUX_F2FS_IOC_GET_FEATURES: 3582 case LINUX_FS_IOC_FIEMAP: 3583 return (ENOTSUP); 3584 3585 default: 3586 linux_msg(td, "%s fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3587 __func__, args->fd, args->cmd, 3588 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3589 break; 3590 } 3591 3592 return (EINVAL); 3593 } 3594 3595 int 3596 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3597 { 3598 struct linux_ioctl_handler *handler; 3599 int error, cmd, i; 3600 3601 cmd = args->cmd & 0xffff; 3602 3603 /* 3604 * array of ioctls known at compilation time. Elides a lot of work on 3605 * each call compared to the list variant. Everything frequently used 3606 * should be moved here. 3607 * 3608 * Arguably the magic creating the list should create an array instead. 3609 * 3610 * For now just a linear scan. 3611 */ 3612 for (i = 0; i < nitems(linux_ioctls); i++) { 3613 handler = &linux_ioctls[i]; 3614 if (cmd >= handler->low && cmd <= handler->high) { 3615 error = (*handler->func)(td, args); 3616 if (error != ENOIOCTL) { 3617 return (error); 3618 } 3619 } 3620 } 3621 return (linux_ioctl_fallback(td, args)); 3622 } 3623 3624 int 3625 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3626 { 3627 struct linux_ioctl_handler_element *he, *cur; 3628 3629 if (h == NULL || h->func == NULL) 3630 return (EINVAL); 3631 3632 /* 3633 * Reuse the element if the handler is already on the list, otherwise 3634 * create a new element. 3635 */ 3636 sx_xlock(&linux_ioctl_sx); 3637 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3638 if (he->func == h->func) 3639 break; 3640 } 3641 if (he == NULL) { 3642 he = malloc(sizeof(*he), 3643 M_LINUX, M_WAITOK); 3644 he->func = h->func; 3645 } else 3646 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3647 3648 /* Initialize range information. */ 3649 he->low = h->low; 3650 he->high = h->high; 3651 he->span = h->high - h->low + 1; 3652 3653 /* Add the element to the list, sorted on span. */ 3654 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3655 if (cur->span > he->span) { 3656 TAILQ_INSERT_BEFORE(cur, he, list); 3657 sx_xunlock(&linux_ioctl_sx); 3658 return (0); 3659 } 3660 } 3661 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3662 sx_xunlock(&linux_ioctl_sx); 3663 3664 return (0); 3665 } 3666 3667 int 3668 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3669 { 3670 struct linux_ioctl_handler_element *he; 3671 3672 if (h == NULL || h->func == NULL) 3673 return (EINVAL); 3674 3675 sx_xlock(&linux_ioctl_sx); 3676 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3677 if (he->func == h->func) { 3678 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3679 sx_xunlock(&linux_ioctl_sx); 3680 free(he, M_LINUX); 3681 return (0); 3682 } 3683 } 3684 sx_xunlock(&linux_ioctl_sx); 3685 3686 return (EINVAL); 3687 } 3688 3689 #ifdef COMPAT_LINUX32 3690 int 3691 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3692 { 3693 struct linux_ioctl_handler_element *he, *cur; 3694 3695 if (h == NULL || h->func == NULL) 3696 return (EINVAL); 3697 3698 /* 3699 * Reuse the element if the handler is already on the list, otherwise 3700 * create a new element. 3701 */ 3702 sx_xlock(&linux_ioctl_sx); 3703 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3704 if (he->func == h->func) 3705 break; 3706 } 3707 if (he == NULL) { 3708 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3709 he->func = h->func; 3710 } else 3711 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3712 3713 /* Initialize range information. */ 3714 he->low = h->low; 3715 he->high = h->high; 3716 he->span = h->high - h->low + 1; 3717 3718 /* Add the element to the list, sorted on span. */ 3719 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3720 if (cur->span > he->span) { 3721 TAILQ_INSERT_BEFORE(cur, he, list); 3722 sx_xunlock(&linux_ioctl_sx); 3723 return (0); 3724 } 3725 } 3726 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3727 sx_xunlock(&linux_ioctl_sx); 3728 3729 return (0); 3730 } 3731 3732 int 3733 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3734 { 3735 struct linux_ioctl_handler_element *he; 3736 3737 if (h == NULL || h->func == NULL) 3738 return (EINVAL); 3739 3740 sx_xlock(&linux_ioctl_sx); 3741 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3742 if (he->func == h->func) { 3743 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3744 sx_xunlock(&linux_ioctl_sx); 3745 free(he, M_LINUX); 3746 return (0); 3747 } 3748 } 3749 sx_xunlock(&linux_ioctl_sx); 3750 3751 return (EINVAL); 3752 } 3753 #endif 3754