1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1994-1995 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "opt_compat.h" 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/sysproto.h> 37 #ifdef COMPAT_LINUX32 38 #include <sys/abi_compat.h> 39 #endif 40 #include <sys/capsicum.h> 41 #include <sys/cdio.h> 42 #include <sys/dvdio.h> 43 #include <sys/conf.h> 44 #include <sys/disk.h> 45 #include <sys/consio.h> 46 #include <sys/ctype.h> 47 #include <sys/fcntl.h> 48 #include <sys/file.h> 49 #include <sys/filedesc.h> 50 #include <sys/filio.h> 51 #include <sys/jail.h> 52 #include <sys/kbio.h> 53 #include <sys/kcov.h> 54 #include <sys/kernel.h> 55 #include <sys/linker_set.h> 56 #include <sys/lock.h> 57 #include <sys/malloc.h> 58 #include <sys/proc.h> 59 #include <sys/sbuf.h> 60 #include <sys/socket.h> 61 #include <sys/sockio.h> 62 #include <sys/soundcard.h> 63 #include <sys/stdint.h> 64 #include <sys/sx.h> 65 #include <sys/sysctl.h> 66 #include <sys/tty.h> 67 #include <sys/uio.h> 68 #include <sys/types.h> 69 #include <sys/mman.h> 70 #include <sys/resourcevar.h> 71 72 #include <net/if.h> 73 #include <net/if_var.h> 74 #include <net/if_dl.h> 75 #include <net/if_types.h> 76 77 #include <dev/evdev/input.h> 78 #include <dev/usb/usb_ioctl.h> 79 80 #ifdef COMPAT_LINUX32 81 #include <machine/../linux32/linux.h> 82 #include <machine/../linux32/linux32_proto.h> 83 #else 84 #include <machine/../linux/linux.h> 85 #include <machine/../linux/linux_proto.h> 86 #endif 87 88 #include <compat/linux/linux_common.h> 89 #include <compat/linux/linux_ioctl.h> 90 #include <compat/linux/linux_mib.h> 91 #include <compat/linux/linux_socket.h> 92 #include <compat/linux/linux_timer.h> 93 #include <compat/linux/linux_util.h> 94 95 #include <contrib/v4l/videodev.h> 96 #include <compat/linux/linux_videodev_compat.h> 97 98 #include <contrib/v4l/videodev2.h> 99 #include <compat/linux/linux_videodev2_compat.h> 100 101 #include <cam/scsi/scsi_sg.h> 102 103 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 104 105 static linux_ioctl_function_t linux_ioctl_cdrom; 106 static linux_ioctl_function_t linux_ioctl_vfat; 107 static linux_ioctl_function_t linux_ioctl_console; 108 static linux_ioctl_function_t linux_ioctl_hdio; 109 static linux_ioctl_function_t linux_ioctl_disk; 110 static linux_ioctl_function_t linux_ioctl_socket; 111 static linux_ioctl_function_t linux_ioctl_sound; 112 static linux_ioctl_function_t linux_ioctl_termio; 113 static linux_ioctl_function_t linux_ioctl_private; 114 static linux_ioctl_function_t linux_ioctl_drm; 115 static linux_ioctl_function_t linux_ioctl_sg; 116 static linux_ioctl_function_t linux_ioctl_v4l; 117 static linux_ioctl_function_t linux_ioctl_v4l2; 118 static linux_ioctl_function_t linux_ioctl_special; 119 static linux_ioctl_function_t linux_ioctl_fbsd_usb; 120 static linux_ioctl_function_t linux_ioctl_evdev; 121 static linux_ioctl_function_t linux_ioctl_kcov; 122 123 static struct linux_ioctl_handler cdrom_handler = 124 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 125 static struct linux_ioctl_handler vfat_handler = 126 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 127 static struct linux_ioctl_handler console_handler = 128 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 129 static struct linux_ioctl_handler hdio_handler = 130 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 131 static struct linux_ioctl_handler disk_handler = 132 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 133 static struct linux_ioctl_handler socket_handler = 134 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 135 static struct linux_ioctl_handler sound_handler = 136 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 137 static struct linux_ioctl_handler private_handler = 138 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 139 static struct linux_ioctl_handler drm_handler = 140 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 141 static struct linux_ioctl_handler sg_handler = 142 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 143 static struct linux_ioctl_handler video_handler = 144 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 145 static struct linux_ioctl_handler video2_handler = 146 { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; 147 static struct linux_ioctl_handler fbsd_usb = 148 { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; 149 static struct linux_ioctl_handler evdev_handler = 150 { linux_ioctl_evdev, LINUX_IOCTL_EVDEV_MIN, LINUX_IOCTL_EVDEV_MAX }; 151 static struct linux_ioctl_handler kcov_handler = 152 { linux_ioctl_kcov, LINUX_KCOV_MIN, LINUX_KCOV_MAX }; 153 154 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 155 DATA_SET(linux_ioctl_handler_set, vfat_handler); 156 DATA_SET(linux_ioctl_handler_set, console_handler); 157 DATA_SET(linux_ioctl_handler_set, hdio_handler); 158 DATA_SET(linux_ioctl_handler_set, disk_handler); 159 DATA_SET(linux_ioctl_handler_set, socket_handler); 160 DATA_SET(linux_ioctl_handler_set, sound_handler); 161 DATA_SET(linux_ioctl_handler_set, private_handler); 162 DATA_SET(linux_ioctl_handler_set, drm_handler); 163 DATA_SET(linux_ioctl_handler_set, sg_handler); 164 DATA_SET(linux_ioctl_handler_set, video_handler); 165 DATA_SET(linux_ioctl_handler_set, video2_handler); 166 DATA_SET(linux_ioctl_handler_set, fbsd_usb); 167 DATA_SET(linux_ioctl_handler_set, evdev_handler); 168 DATA_SET(linux_ioctl_handler_set, kcov_handler); 169 170 /* 171 * Keep sorted by low. 172 */ 173 static struct linux_ioctl_handler linux_ioctls[] = { 174 { .func = linux_ioctl_termio, .low = LINUX_IOCTL_TERMIO_MIN, 175 .high = LINUX_IOCTL_TERMIO_MAX }, 176 }; 177 178 #ifdef __i386__ 179 static TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers = 180 TAILQ_HEAD_INITIALIZER(linux_ioctl_handlers); 181 static struct sx linux_ioctl_sx; 182 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "Linux ioctl handlers"); 183 #else 184 extern TAILQ_HEAD(, linux_ioctl_handler_element) linux_ioctl_handlers; 185 extern struct sx linux_ioctl_sx; 186 #endif 187 #ifdef COMPAT_LINUX32 188 static TAILQ_HEAD(, linux_ioctl_handler_element) linux32_ioctl_handlers = 189 TAILQ_HEAD_INITIALIZER(linux32_ioctl_handlers); 190 #endif 191 192 /* 193 * hdio related ioctls for VMWare support 194 */ 195 196 struct linux_hd_geometry { 197 u_int8_t heads; 198 u_int8_t sectors; 199 u_int16_t cylinders; 200 u_int32_t start; 201 }; 202 203 struct linux_hd_big_geometry { 204 u_int8_t heads; 205 u_int8_t sectors; 206 u_int32_t cylinders; 207 u_int32_t start; 208 }; 209 210 static int 211 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 212 { 213 struct file *fp; 214 int error; 215 u_int sectorsize, fwcylinders, fwheads, fwsectors; 216 off_t mediasize, bytespercyl; 217 218 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 219 if (error != 0) 220 return (error); 221 switch (args->cmd & 0xffff) { 222 case LINUX_HDIO_GET_GEO: 223 case LINUX_HDIO_GET_GEO_BIG: 224 error = fo_ioctl(fp, DIOCGMEDIASIZE, 225 (caddr_t)&mediasize, td->td_ucred, td); 226 if (!error) 227 error = fo_ioctl(fp, DIOCGSECTORSIZE, 228 (caddr_t)§orsize, td->td_ucred, td); 229 if (!error) 230 error = fo_ioctl(fp, DIOCGFWHEADS, 231 (caddr_t)&fwheads, td->td_ucred, td); 232 if (!error) 233 error = fo_ioctl(fp, DIOCGFWSECTORS, 234 (caddr_t)&fwsectors, td->td_ucred, td); 235 /* 236 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 237 * so pretend that GEOM always says 0. This is NOT VALID 238 * for slices or partitions, only the per-disk raw devices. 239 */ 240 241 fdrop(fp, td); 242 if (error) 243 return (error); 244 /* 245 * 1. Calculate the number of bytes in a cylinder, 246 * given the firmware's notion of heads and sectors 247 * per cylinder. 248 * 2. Calculate the number of cylinders, given the total 249 * size of the media. 250 * All internal calculations should have 64-bit precision. 251 */ 252 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 253 fwcylinders = mediasize / bytespercyl; 254 255 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 256 struct linux_hd_geometry hdg; 257 258 hdg.cylinders = fwcylinders; 259 hdg.heads = fwheads; 260 hdg.sectors = fwsectors; 261 hdg.start = 0; 262 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 263 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 264 struct linux_hd_big_geometry hdbg; 265 266 memset(&hdbg, 0, sizeof(hdbg)); 267 hdbg.cylinders = fwcylinders; 268 hdbg.heads = fwheads; 269 hdbg.sectors = fwsectors; 270 hdbg.start = 0; 271 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 272 } 273 return (error); 274 break; 275 default: 276 /* XXX */ 277 linux_msg(td, 278 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 279 args->fd, (int)(args->cmd & 0xffff), 280 (int)(args->cmd & 0xff00) >> 8, 281 (int)(args->cmd & 0xff)); 282 break; 283 } 284 fdrop(fp, td); 285 return (ENOIOCTL); 286 } 287 288 static int 289 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 290 { 291 struct file *fp; 292 int error; 293 u_int sectorsize, psectorsize; 294 uint64_t blksize64; 295 off_t mediasize, stripesize; 296 297 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 298 if (error != 0) 299 return (error); 300 switch (args->cmd & 0xffff) { 301 case LINUX_BLKGETSIZE: 302 error = fo_ioctl(fp, DIOCGSECTORSIZE, 303 (caddr_t)§orsize, td->td_ucred, td); 304 if (!error) 305 error = fo_ioctl(fp, DIOCGMEDIASIZE, 306 (caddr_t)&mediasize, td->td_ucred, td); 307 fdrop(fp, td); 308 if (error) 309 return (error); 310 sectorsize = mediasize / sectorsize; 311 /* 312 * XXX: How do we know we return the right size of integer ? 313 */ 314 return (copyout(§orsize, (void *)args->arg, 315 sizeof(sectorsize))); 316 break; 317 case LINUX_BLKGETSIZE64: 318 error = fo_ioctl(fp, DIOCGMEDIASIZE, 319 (caddr_t)&mediasize, td->td_ucred, td); 320 fdrop(fp, td); 321 if (error) 322 return (error); 323 blksize64 = mediasize;; 324 return (copyout(&blksize64, (void *)args->arg, 325 sizeof(blksize64))); 326 case LINUX_BLKSSZGET: 327 error = fo_ioctl(fp, DIOCGSECTORSIZE, 328 (caddr_t)§orsize, td->td_ucred, td); 329 fdrop(fp, td); 330 if (error) 331 return (error); 332 return (copyout(§orsize, (void *)args->arg, 333 sizeof(sectorsize))); 334 break; 335 case LINUX_BLKPBSZGET: 336 error = fo_ioctl(fp, DIOCGSTRIPESIZE, 337 (caddr_t)&stripesize, td->td_ucred, td); 338 if (error != 0) { 339 fdrop(fp, td); 340 return (error); 341 } 342 if (stripesize > 0 && stripesize <= 4096) { 343 psectorsize = stripesize; 344 } else { 345 error = fo_ioctl(fp, DIOCGSECTORSIZE, 346 (caddr_t)§orsize, td->td_ucred, td); 347 if (error != 0) { 348 fdrop(fp, td); 349 return (error); 350 } 351 psectorsize = sectorsize; 352 } 353 fdrop(fp, td); 354 return (copyout(&psectorsize, (void *)args->arg, 355 sizeof(psectorsize))); 356 } 357 fdrop(fp, td); 358 return (ENOIOCTL); 359 } 360 361 /* 362 * termio related ioctls 363 */ 364 365 struct linux_termio { 366 unsigned short c_iflag; 367 unsigned short c_oflag; 368 unsigned short c_cflag; 369 unsigned short c_lflag; 370 unsigned char c_line; 371 unsigned char c_cc[LINUX_NCC]; 372 }; 373 374 struct linux_termios { 375 unsigned int c_iflag; 376 unsigned int c_oflag; 377 unsigned int c_cflag; 378 unsigned int c_lflag; 379 unsigned char c_line; 380 unsigned char c_cc[LINUX_NCCS]; 381 }; 382 383 struct linux_winsize { 384 unsigned short ws_row, ws_col; 385 unsigned short ws_xpixel, ws_ypixel; 386 }; 387 388 struct speedtab { 389 int sp_speed; /* Speed. */ 390 int sp_code; /* Code. */ 391 }; 392 393 static struct speedtab sptab[] = { 394 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 395 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 396 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 397 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 398 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 399 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 400 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 401 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 402 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 403 {-1, -1 } 404 }; 405 406 struct linux_serial_struct { 407 int type; 408 int line; 409 int port; 410 int irq; 411 int flags; 412 int xmit_fifo_size; 413 int custom_divisor; 414 int baud_base; 415 unsigned short close_delay; 416 char reserved_char[2]; 417 int hub6; 418 unsigned short closing_wait; 419 unsigned short closing_wait2; 420 int reserved[4]; 421 }; 422 423 static int 424 linux_to_bsd_speed(int code, struct speedtab *table) 425 { 426 for ( ; table->sp_code != -1; table++) 427 if (table->sp_code == code) 428 return (table->sp_speed); 429 return (-1); 430 } 431 432 static int 433 bsd_to_linux_speed(int speed, struct speedtab *table) 434 { 435 for ( ; table->sp_speed != -1; table++) 436 if (table->sp_speed == speed) 437 return (table->sp_code); 438 return (-1); 439 } 440 441 static void 442 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 443 { 444 int i; 445 446 lios->c_iflag = 0; 447 if (bios->c_iflag & IGNBRK) 448 lios->c_iflag |= LINUX_IGNBRK; 449 if (bios->c_iflag & BRKINT) 450 lios->c_iflag |= LINUX_BRKINT; 451 if (bios->c_iflag & IGNPAR) 452 lios->c_iflag |= LINUX_IGNPAR; 453 if (bios->c_iflag & PARMRK) 454 lios->c_iflag |= LINUX_PARMRK; 455 if (bios->c_iflag & INPCK) 456 lios->c_iflag |= LINUX_INPCK; 457 if (bios->c_iflag & ISTRIP) 458 lios->c_iflag |= LINUX_ISTRIP; 459 if (bios->c_iflag & INLCR) 460 lios->c_iflag |= LINUX_INLCR; 461 if (bios->c_iflag & IGNCR) 462 lios->c_iflag |= LINUX_IGNCR; 463 if (bios->c_iflag & ICRNL) 464 lios->c_iflag |= LINUX_ICRNL; 465 if (bios->c_iflag & IXON) 466 lios->c_iflag |= LINUX_IXON; 467 if (bios->c_iflag & IXANY) 468 lios->c_iflag |= LINUX_IXANY; 469 if (bios->c_iflag & IXOFF) 470 lios->c_iflag |= LINUX_IXOFF; 471 if (bios->c_iflag & IMAXBEL) 472 lios->c_iflag |= LINUX_IMAXBEL; 473 474 lios->c_oflag = 0; 475 if (bios->c_oflag & OPOST) 476 lios->c_oflag |= LINUX_OPOST; 477 if (bios->c_oflag & ONLCR) 478 lios->c_oflag |= LINUX_ONLCR; 479 if (bios->c_oflag & TAB3) 480 lios->c_oflag |= LINUX_XTABS; 481 482 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 483 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 484 if (bios->c_cflag & CSTOPB) 485 lios->c_cflag |= LINUX_CSTOPB; 486 if (bios->c_cflag & CREAD) 487 lios->c_cflag |= LINUX_CREAD; 488 if (bios->c_cflag & PARENB) 489 lios->c_cflag |= LINUX_PARENB; 490 if (bios->c_cflag & PARODD) 491 lios->c_cflag |= LINUX_PARODD; 492 if (bios->c_cflag & HUPCL) 493 lios->c_cflag |= LINUX_HUPCL; 494 if (bios->c_cflag & CLOCAL) 495 lios->c_cflag |= LINUX_CLOCAL; 496 if (bios->c_cflag & CRTSCTS) 497 lios->c_cflag |= LINUX_CRTSCTS; 498 499 lios->c_lflag = 0; 500 if (bios->c_lflag & ISIG) 501 lios->c_lflag |= LINUX_ISIG; 502 if (bios->c_lflag & ICANON) 503 lios->c_lflag |= LINUX_ICANON; 504 if (bios->c_lflag & ECHO) 505 lios->c_lflag |= LINUX_ECHO; 506 if (bios->c_lflag & ECHOE) 507 lios->c_lflag |= LINUX_ECHOE; 508 if (bios->c_lflag & ECHOK) 509 lios->c_lflag |= LINUX_ECHOK; 510 if (bios->c_lflag & ECHONL) 511 lios->c_lflag |= LINUX_ECHONL; 512 if (bios->c_lflag & NOFLSH) 513 lios->c_lflag |= LINUX_NOFLSH; 514 if (bios->c_lflag & TOSTOP) 515 lios->c_lflag |= LINUX_TOSTOP; 516 if (bios->c_lflag & ECHOCTL) 517 lios->c_lflag |= LINUX_ECHOCTL; 518 if (bios->c_lflag & ECHOPRT) 519 lios->c_lflag |= LINUX_ECHOPRT; 520 if (bios->c_lflag & ECHOKE) 521 lios->c_lflag |= LINUX_ECHOKE; 522 if (bios->c_lflag & FLUSHO) 523 lios->c_lflag |= LINUX_FLUSHO; 524 if (bios->c_lflag & PENDIN) 525 lios->c_lflag |= LINUX_PENDIN; 526 if (bios->c_lflag & IEXTEN) 527 lios->c_lflag |= LINUX_IEXTEN; 528 529 for (i=0; i<LINUX_NCCS; i++) 530 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 531 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 532 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 533 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 534 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 535 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 536 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 537 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 538 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 539 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 540 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 541 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 542 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 543 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 544 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 545 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 546 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 547 if (linux_preserve_vstatus) 548 lios->c_cc[LINUX_VSTATUS] = bios->c_cc[VSTATUS]; 549 550 for (i=0; i<LINUX_NCCS; i++) { 551 if (i != LINUX_VMIN && i != LINUX_VTIME && 552 lios->c_cc[i] == _POSIX_VDISABLE) 553 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 554 } 555 lios->c_line = 0; 556 } 557 558 static void 559 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 560 { 561 int i; 562 563 bios->c_iflag = 0; 564 if (lios->c_iflag & LINUX_IGNBRK) 565 bios->c_iflag |= IGNBRK; 566 if (lios->c_iflag & LINUX_BRKINT) 567 bios->c_iflag |= BRKINT; 568 if (lios->c_iflag & LINUX_IGNPAR) 569 bios->c_iflag |= IGNPAR; 570 if (lios->c_iflag & LINUX_PARMRK) 571 bios->c_iflag |= PARMRK; 572 if (lios->c_iflag & LINUX_INPCK) 573 bios->c_iflag |= INPCK; 574 if (lios->c_iflag & LINUX_ISTRIP) 575 bios->c_iflag |= ISTRIP; 576 if (lios->c_iflag & LINUX_INLCR) 577 bios->c_iflag |= INLCR; 578 if (lios->c_iflag & LINUX_IGNCR) 579 bios->c_iflag |= IGNCR; 580 if (lios->c_iflag & LINUX_ICRNL) 581 bios->c_iflag |= ICRNL; 582 if (lios->c_iflag & LINUX_IXON) 583 bios->c_iflag |= IXON; 584 if (lios->c_iflag & LINUX_IXANY) 585 bios->c_iflag |= IXANY; 586 if (lios->c_iflag & LINUX_IXOFF) 587 bios->c_iflag |= IXOFF; 588 if (lios->c_iflag & LINUX_IMAXBEL) 589 bios->c_iflag |= IMAXBEL; 590 591 bios->c_oflag = 0; 592 if (lios->c_oflag & LINUX_OPOST) 593 bios->c_oflag |= OPOST; 594 if (lios->c_oflag & LINUX_ONLCR) 595 bios->c_oflag |= ONLCR; 596 if (lios->c_oflag & LINUX_XTABS) 597 bios->c_oflag |= TAB3; 598 599 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 600 if (lios->c_cflag & LINUX_CSTOPB) 601 bios->c_cflag |= CSTOPB; 602 if (lios->c_cflag & LINUX_CREAD) 603 bios->c_cflag |= CREAD; 604 if (lios->c_cflag & LINUX_PARENB) 605 bios->c_cflag |= PARENB; 606 if (lios->c_cflag & LINUX_PARODD) 607 bios->c_cflag |= PARODD; 608 if (lios->c_cflag & LINUX_HUPCL) 609 bios->c_cflag |= HUPCL; 610 if (lios->c_cflag & LINUX_CLOCAL) 611 bios->c_cflag |= CLOCAL; 612 if (lios->c_cflag & LINUX_CRTSCTS) 613 bios->c_cflag |= CRTSCTS; 614 615 bios->c_lflag = 0; 616 if (lios->c_lflag & LINUX_ISIG) 617 bios->c_lflag |= ISIG; 618 if (lios->c_lflag & LINUX_ICANON) 619 bios->c_lflag |= ICANON; 620 if (lios->c_lflag & LINUX_ECHO) 621 bios->c_lflag |= ECHO; 622 if (lios->c_lflag & LINUX_ECHOE) 623 bios->c_lflag |= ECHOE; 624 if (lios->c_lflag & LINUX_ECHOK) 625 bios->c_lflag |= ECHOK; 626 if (lios->c_lflag & LINUX_ECHONL) 627 bios->c_lflag |= ECHONL; 628 if (lios->c_lflag & LINUX_NOFLSH) 629 bios->c_lflag |= NOFLSH; 630 if (lios->c_lflag & LINUX_TOSTOP) 631 bios->c_lflag |= TOSTOP; 632 if (lios->c_lflag & LINUX_ECHOCTL) 633 bios->c_lflag |= ECHOCTL; 634 if (lios->c_lflag & LINUX_ECHOPRT) 635 bios->c_lflag |= ECHOPRT; 636 if (lios->c_lflag & LINUX_ECHOKE) 637 bios->c_lflag |= ECHOKE; 638 if (lios->c_lflag & LINUX_FLUSHO) 639 bios->c_lflag |= FLUSHO; 640 if (lios->c_lflag & LINUX_PENDIN) 641 bios->c_lflag |= PENDIN; 642 if (lios->c_lflag & LINUX_IEXTEN) 643 bios->c_lflag |= IEXTEN; 644 645 for (i=0; i<NCCS; i++) 646 bios->c_cc[i] = _POSIX_VDISABLE; 647 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 648 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 649 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 650 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 651 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 652 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 653 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 654 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 655 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 656 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 657 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 658 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 659 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 660 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 661 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 662 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 663 if (linux_preserve_vstatus) 664 bios->c_cc[VSTATUS] = lios->c_cc[LINUX_VSTATUS]; 665 666 for (i=0; i<NCCS; i++) { 667 if (i != VMIN && i != VTIME && 668 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 669 bios->c_cc[i] = _POSIX_VDISABLE; 670 } 671 672 bios->c_ispeed = bios->c_ospeed = 673 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 674 } 675 676 static void 677 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 678 { 679 struct linux_termios lios; 680 681 memset(lio, 0, sizeof(*lio)); 682 bsd_to_linux_termios(bios, &lios); 683 lio->c_iflag = lios.c_iflag; 684 lio->c_oflag = lios.c_oflag; 685 lio->c_cflag = lios.c_cflag; 686 lio->c_lflag = lios.c_lflag; 687 lio->c_line = lios.c_line; 688 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 689 } 690 691 static void 692 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 693 { 694 struct linux_termios lios; 695 int i; 696 697 lios.c_iflag = lio->c_iflag; 698 lios.c_oflag = lio->c_oflag; 699 lios.c_cflag = lio->c_cflag; 700 lios.c_lflag = lio->c_lflag; 701 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 702 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 703 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 704 linux_to_bsd_termios(&lios, bios); 705 } 706 707 static int 708 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 709 { 710 struct termios bios; 711 struct linux_termios lios; 712 struct linux_termio lio; 713 struct file *fp; 714 int error; 715 716 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 717 if (error != 0) 718 return (error); 719 720 switch (args->cmd & 0xffff) { 721 case LINUX_TCGETS: 722 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 723 td); 724 if (error) 725 break; 726 bsd_to_linux_termios(&bios, &lios); 727 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 728 break; 729 730 case LINUX_TCSETS: 731 error = copyin((void *)args->arg, &lios, sizeof(lios)); 732 if (error) 733 break; 734 linux_to_bsd_termios(&lios, &bios); 735 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 736 td)); 737 break; 738 739 case LINUX_TCSETSW: 740 error = copyin((void *)args->arg, &lios, sizeof(lios)); 741 if (error) 742 break; 743 linux_to_bsd_termios(&lios, &bios); 744 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 745 td)); 746 break; 747 748 case LINUX_TCSETSF: 749 error = copyin((void *)args->arg, &lios, sizeof(lios)); 750 if (error) 751 break; 752 linux_to_bsd_termios(&lios, &bios); 753 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 754 td)); 755 break; 756 757 case LINUX_TCGETA: 758 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 759 td); 760 if (error) 761 break; 762 bsd_to_linux_termio(&bios, &lio); 763 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 764 break; 765 766 case LINUX_TCSETA: 767 error = copyin((void *)args->arg, &lio, sizeof(lio)); 768 if (error) 769 break; 770 linux_to_bsd_termio(&lio, &bios); 771 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 772 td)); 773 break; 774 775 case LINUX_TCSETAW: 776 error = copyin((void *)args->arg, &lio, sizeof(lio)); 777 if (error) 778 break; 779 linux_to_bsd_termio(&lio, &bios); 780 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 781 td)); 782 break; 783 784 case LINUX_TCSETAF: 785 error = copyin((void *)args->arg, &lio, sizeof(lio)); 786 if (error) 787 break; 788 linux_to_bsd_termio(&lio, &bios); 789 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 790 td)); 791 break; 792 793 /* LINUX_TCSBRK */ 794 795 case LINUX_TCXONC: { 796 switch (args->arg) { 797 case LINUX_TCOOFF: 798 args->cmd = TIOCSTOP; 799 break; 800 case LINUX_TCOON: 801 args->cmd = TIOCSTART; 802 break; 803 case LINUX_TCIOFF: 804 case LINUX_TCION: { 805 int c; 806 struct write_args wr; 807 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 808 td->td_ucred, td); 809 if (error) 810 break; 811 fdrop(fp, td); 812 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 813 c = bios.c_cc[c]; 814 if (c != _POSIX_VDISABLE) { 815 wr.fd = args->fd; 816 wr.buf = &c; 817 wr.nbyte = sizeof(c); 818 return (sys_write(td, &wr)); 819 } else 820 return (0); 821 } 822 default: 823 fdrop(fp, td); 824 return (EINVAL); 825 } 826 args->arg = 0; 827 error = (sys_ioctl(td, (struct ioctl_args *)args)); 828 break; 829 } 830 831 case LINUX_TCFLSH: { 832 int val; 833 switch (args->arg) { 834 case LINUX_TCIFLUSH: 835 val = FREAD; 836 break; 837 case LINUX_TCOFLUSH: 838 val = FWRITE; 839 break; 840 case LINUX_TCIOFLUSH: 841 val = FREAD | FWRITE; 842 break; 843 default: 844 fdrop(fp, td); 845 return (EINVAL); 846 } 847 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 848 break; 849 } 850 851 case LINUX_TIOCEXCL: 852 args->cmd = TIOCEXCL; 853 error = (sys_ioctl(td, (struct ioctl_args *)args)); 854 break; 855 856 case LINUX_TIOCNXCL: 857 args->cmd = TIOCNXCL; 858 error = (sys_ioctl(td, (struct ioctl_args *)args)); 859 break; 860 861 case LINUX_TIOCSCTTY: 862 args->cmd = TIOCSCTTY; 863 error = (sys_ioctl(td, (struct ioctl_args *)args)); 864 break; 865 866 case LINUX_TIOCGPGRP: 867 args->cmd = TIOCGPGRP; 868 error = (sys_ioctl(td, (struct ioctl_args *)args)); 869 break; 870 871 case LINUX_TIOCSPGRP: 872 args->cmd = TIOCSPGRP; 873 error = (sys_ioctl(td, (struct ioctl_args *)args)); 874 break; 875 876 /* LINUX_TIOCOUTQ */ 877 /* LINUX_TIOCSTI */ 878 879 case LINUX_TIOCGWINSZ: 880 args->cmd = TIOCGWINSZ; 881 error = (sys_ioctl(td, (struct ioctl_args *)args)); 882 break; 883 884 case LINUX_TIOCSWINSZ: 885 args->cmd = TIOCSWINSZ; 886 error = (sys_ioctl(td, (struct ioctl_args *)args)); 887 break; 888 889 case LINUX_TIOCMGET: 890 args->cmd = TIOCMGET; 891 error = (sys_ioctl(td, (struct ioctl_args *)args)); 892 break; 893 894 case LINUX_TIOCMBIS: 895 args->cmd = TIOCMBIS; 896 error = (sys_ioctl(td, (struct ioctl_args *)args)); 897 break; 898 899 case LINUX_TIOCMBIC: 900 args->cmd = TIOCMBIC; 901 error = (sys_ioctl(td, (struct ioctl_args *)args)); 902 break; 903 904 case LINUX_TIOCMSET: 905 args->cmd = TIOCMSET; 906 error = (sys_ioctl(td, (struct ioctl_args *)args)); 907 break; 908 909 /* TIOCGSOFTCAR */ 910 /* TIOCSSOFTCAR */ 911 912 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 913 args->cmd = FIONREAD; 914 error = (sys_ioctl(td, (struct ioctl_args *)args)); 915 break; 916 917 /* LINUX_TIOCLINUX */ 918 919 case LINUX_TIOCCONS: 920 args->cmd = TIOCCONS; 921 error = (sys_ioctl(td, (struct ioctl_args *)args)); 922 break; 923 924 case LINUX_TIOCGSERIAL: { 925 struct linux_serial_struct lss; 926 927 bzero(&lss, sizeof(lss)); 928 lss.type = LINUX_PORT_16550A; 929 lss.flags = 0; 930 lss.close_delay = 0; 931 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 932 break; 933 } 934 935 case LINUX_TIOCSSERIAL: { 936 struct linux_serial_struct lss; 937 error = copyin((void *)args->arg, &lss, sizeof(lss)); 938 if (error) 939 break; 940 /* XXX - It really helps to have an implementation that 941 * does nothing. NOT! 942 */ 943 error = 0; 944 break; 945 } 946 947 case LINUX_TIOCPKT: 948 args->cmd = TIOCPKT; 949 error = (sys_ioctl(td, (struct ioctl_args *)args)); 950 break; 951 952 case LINUX_FIONBIO: 953 args->cmd = FIONBIO; 954 error = (sys_ioctl(td, (struct ioctl_args *)args)); 955 break; 956 957 case LINUX_TIOCNOTTY: 958 args->cmd = TIOCNOTTY; 959 error = (sys_ioctl(td, (struct ioctl_args *)args)); 960 break; 961 962 case LINUX_TIOCSETD: { 963 int line; 964 switch (args->arg) { 965 case LINUX_N_TTY: 966 line = TTYDISC; 967 break; 968 case LINUX_N_SLIP: 969 line = SLIPDISC; 970 break; 971 case LINUX_N_PPP: 972 line = PPPDISC; 973 break; 974 default: 975 fdrop(fp, td); 976 return (EINVAL); 977 } 978 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 979 td)); 980 break; 981 } 982 983 case LINUX_TIOCGETD: { 984 int linux_line; 985 int bsd_line = TTYDISC; 986 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 987 td->td_ucred, td); 988 if (error) 989 break; 990 switch (bsd_line) { 991 case TTYDISC: 992 linux_line = LINUX_N_TTY; 993 break; 994 case SLIPDISC: 995 linux_line = LINUX_N_SLIP; 996 break; 997 case PPPDISC: 998 linux_line = LINUX_N_PPP; 999 break; 1000 default: 1001 fdrop(fp, td); 1002 return (EINVAL); 1003 } 1004 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 1005 break; 1006 } 1007 1008 /* LINUX_TCSBRKP */ 1009 /* LINUX_TIOCTTYGSTRUCT */ 1010 1011 case LINUX_FIONCLEX: 1012 args->cmd = FIONCLEX; 1013 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1014 break; 1015 1016 case LINUX_FIOCLEX: 1017 args->cmd = FIOCLEX; 1018 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1019 break; 1020 1021 case LINUX_FIOASYNC: 1022 args->cmd = FIOASYNC; 1023 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1024 break; 1025 1026 /* LINUX_TIOCSERCONFIG */ 1027 /* LINUX_TIOCSERGWILD */ 1028 /* LINUX_TIOCSERSWILD */ 1029 /* LINUX_TIOCGLCKTRMIOS */ 1030 /* LINUX_TIOCSLCKTRMIOS */ 1031 1032 case LINUX_TIOCSBRK: 1033 args->cmd = TIOCSBRK; 1034 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1035 break; 1036 1037 case LINUX_TIOCCBRK: 1038 args->cmd = TIOCCBRK; 1039 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1040 break; 1041 case LINUX_TIOCGPTN: { 1042 int nb; 1043 1044 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1045 if (!error) 1046 error = copyout(&nb, (void *)args->arg, 1047 sizeof(int)); 1048 break; 1049 } 1050 case LINUX_TIOCSPTLCK: 1051 /* Our unlockpt() does nothing. */ 1052 error = 0; 1053 break; 1054 default: 1055 error = ENOIOCTL; 1056 break; 1057 } 1058 1059 fdrop(fp, td); 1060 return (error); 1061 } 1062 1063 /* 1064 * CDROM related ioctls 1065 */ 1066 1067 struct linux_cdrom_msf 1068 { 1069 u_char cdmsf_min0; 1070 u_char cdmsf_sec0; 1071 u_char cdmsf_frame0; 1072 u_char cdmsf_min1; 1073 u_char cdmsf_sec1; 1074 u_char cdmsf_frame1; 1075 }; 1076 1077 struct linux_cdrom_tochdr 1078 { 1079 u_char cdth_trk0; 1080 u_char cdth_trk1; 1081 }; 1082 1083 union linux_cdrom_addr 1084 { 1085 struct { 1086 u_char minute; 1087 u_char second; 1088 u_char frame; 1089 } msf; 1090 int lba; 1091 }; 1092 1093 struct linux_cdrom_tocentry 1094 { 1095 u_char cdte_track; 1096 u_char cdte_adr:4; 1097 u_char cdte_ctrl:4; 1098 u_char cdte_format; 1099 union linux_cdrom_addr cdte_addr; 1100 u_char cdte_datamode; 1101 }; 1102 1103 struct linux_cdrom_subchnl 1104 { 1105 u_char cdsc_format; 1106 u_char cdsc_audiostatus; 1107 u_char cdsc_adr:4; 1108 u_char cdsc_ctrl:4; 1109 u_char cdsc_trk; 1110 u_char cdsc_ind; 1111 union linux_cdrom_addr cdsc_absaddr; 1112 union linux_cdrom_addr cdsc_reladdr; 1113 }; 1114 1115 struct l_cdrom_read_audio { 1116 union linux_cdrom_addr addr; 1117 u_char addr_format; 1118 l_int nframes; 1119 u_char *buf; 1120 }; 1121 1122 struct l_dvd_layer { 1123 u_char book_version:4; 1124 u_char book_type:4; 1125 u_char min_rate:4; 1126 u_char disc_size:4; 1127 u_char layer_type:4; 1128 u_char track_path:1; 1129 u_char nlayers:2; 1130 u_char track_density:4; 1131 u_char linear_density:4; 1132 u_char bca:1; 1133 u_int32_t start_sector; 1134 u_int32_t end_sector; 1135 u_int32_t end_sector_l0; 1136 }; 1137 1138 struct l_dvd_physical { 1139 u_char type; 1140 u_char layer_num; 1141 struct l_dvd_layer layer[4]; 1142 }; 1143 1144 struct l_dvd_copyright { 1145 u_char type; 1146 u_char layer_num; 1147 u_char cpst; 1148 u_char rmi; 1149 }; 1150 1151 struct l_dvd_disckey { 1152 u_char type; 1153 l_uint agid:2; 1154 u_char value[2048]; 1155 }; 1156 1157 struct l_dvd_bca { 1158 u_char type; 1159 l_int len; 1160 u_char value[188]; 1161 }; 1162 1163 struct l_dvd_manufact { 1164 u_char type; 1165 u_char layer_num; 1166 l_int len; 1167 u_char value[2048]; 1168 }; 1169 1170 typedef union { 1171 u_char type; 1172 struct l_dvd_physical physical; 1173 struct l_dvd_copyright copyright; 1174 struct l_dvd_disckey disckey; 1175 struct l_dvd_bca bca; 1176 struct l_dvd_manufact manufact; 1177 } l_dvd_struct; 1178 1179 typedef u_char l_dvd_key[5]; 1180 typedef u_char l_dvd_challenge[10]; 1181 1182 struct l_dvd_lu_send_agid { 1183 u_char type; 1184 l_uint agid:2; 1185 }; 1186 1187 struct l_dvd_host_send_challenge { 1188 u_char type; 1189 l_uint agid:2; 1190 l_dvd_challenge chal; 1191 }; 1192 1193 struct l_dvd_send_key { 1194 u_char type; 1195 l_uint agid:2; 1196 l_dvd_key key; 1197 }; 1198 1199 struct l_dvd_lu_send_challenge { 1200 u_char type; 1201 l_uint agid:2; 1202 l_dvd_challenge chal; 1203 }; 1204 1205 struct l_dvd_lu_send_title_key { 1206 u_char type; 1207 l_uint agid:2; 1208 l_dvd_key title_key; 1209 l_int lba; 1210 l_uint cpm:1; 1211 l_uint cp_sec:1; 1212 l_uint cgms:2; 1213 }; 1214 1215 struct l_dvd_lu_send_asf { 1216 u_char type; 1217 l_uint agid:2; 1218 l_uint asf:1; 1219 }; 1220 1221 struct l_dvd_host_send_rpcstate { 1222 u_char type; 1223 u_char pdrc; 1224 }; 1225 1226 struct l_dvd_lu_send_rpcstate { 1227 u_char type:2; 1228 u_char vra:3; 1229 u_char ucca:3; 1230 u_char region_mask; 1231 u_char rpc_scheme; 1232 }; 1233 1234 typedef union { 1235 u_char type; 1236 struct l_dvd_lu_send_agid lsa; 1237 struct l_dvd_host_send_challenge hsc; 1238 struct l_dvd_send_key lsk; 1239 struct l_dvd_lu_send_challenge lsc; 1240 struct l_dvd_send_key hsk; 1241 struct l_dvd_lu_send_title_key lstk; 1242 struct l_dvd_lu_send_asf lsasf; 1243 struct l_dvd_host_send_rpcstate hrpcs; 1244 struct l_dvd_lu_send_rpcstate lrpcs; 1245 } l_dvd_authinfo; 1246 1247 static void 1248 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1249 { 1250 if (af == CD_LBA_FORMAT) 1251 lp->lba = bp->lba; 1252 else { 1253 lp->msf.minute = bp->msf.minute; 1254 lp->msf.second = bp->msf.second; 1255 lp->msf.frame = bp->msf.frame; 1256 } 1257 } 1258 1259 static void 1260 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1261 { 1262 if (format == LINUX_CDROM_MSF) { 1263 addr->msf.frame = lba % 75; 1264 lba /= 75; 1265 lba += 2; 1266 addr->msf.second = lba % 60; 1267 addr->msf.minute = lba / 60; 1268 } else 1269 addr->lba = lba; 1270 } 1271 1272 static int 1273 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1274 { 1275 bp->format = lp->type; 1276 switch (bp->format) { 1277 case DVD_STRUCT_PHYSICAL: 1278 if (bp->layer_num >= 4) 1279 return (EINVAL); 1280 bp->layer_num = lp->physical.layer_num; 1281 break; 1282 case DVD_STRUCT_COPYRIGHT: 1283 bp->layer_num = lp->copyright.layer_num; 1284 break; 1285 case DVD_STRUCT_DISCKEY: 1286 bp->agid = lp->disckey.agid; 1287 break; 1288 case DVD_STRUCT_BCA: 1289 case DVD_STRUCT_MANUFACT: 1290 break; 1291 default: 1292 return (EINVAL); 1293 } 1294 return (0); 1295 } 1296 1297 static int 1298 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1299 { 1300 switch (bp->format) { 1301 case DVD_STRUCT_PHYSICAL: { 1302 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1303 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1304 memset(llp, 0, sizeof(*llp)); 1305 llp->book_version = blp->book_version; 1306 llp->book_type = blp->book_type; 1307 llp->min_rate = blp->max_rate; 1308 llp->disc_size = blp->disc_size; 1309 llp->layer_type = blp->layer_type; 1310 llp->track_path = blp->track_path; 1311 llp->nlayers = blp->nlayers; 1312 llp->track_density = blp->track_density; 1313 llp->linear_density = blp->linear_density; 1314 llp->bca = blp->bca; 1315 llp->start_sector = blp->start_sector; 1316 llp->end_sector = blp->end_sector; 1317 llp->end_sector_l0 = blp->end_sector_l0; 1318 break; 1319 } 1320 case DVD_STRUCT_COPYRIGHT: 1321 lp->copyright.cpst = bp->cpst; 1322 lp->copyright.rmi = bp->rmi; 1323 break; 1324 case DVD_STRUCT_DISCKEY: 1325 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1326 break; 1327 case DVD_STRUCT_BCA: 1328 lp->bca.len = bp->length; 1329 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1330 break; 1331 case DVD_STRUCT_MANUFACT: 1332 lp->manufact.len = bp->length; 1333 memcpy(lp->manufact.value, bp->data, 1334 sizeof(lp->manufact.value)); 1335 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1336 break; 1337 default: 1338 return (EINVAL); 1339 } 1340 return (0); 1341 } 1342 1343 static int 1344 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1345 struct dvd_authinfo *bp) 1346 { 1347 switch (lp->type) { 1348 case LINUX_DVD_LU_SEND_AGID: 1349 *bcode = DVDIOCREPORTKEY; 1350 bp->format = DVD_REPORT_AGID; 1351 bp->agid = lp->lsa.agid; 1352 break; 1353 case LINUX_DVD_HOST_SEND_CHALLENGE: 1354 *bcode = DVDIOCSENDKEY; 1355 bp->format = DVD_SEND_CHALLENGE; 1356 bp->agid = lp->hsc.agid; 1357 memcpy(bp->keychal, lp->hsc.chal, 10); 1358 break; 1359 case LINUX_DVD_LU_SEND_KEY1: 1360 *bcode = DVDIOCREPORTKEY; 1361 bp->format = DVD_REPORT_KEY1; 1362 bp->agid = lp->lsk.agid; 1363 break; 1364 case LINUX_DVD_LU_SEND_CHALLENGE: 1365 *bcode = DVDIOCREPORTKEY; 1366 bp->format = DVD_REPORT_CHALLENGE; 1367 bp->agid = lp->lsc.agid; 1368 break; 1369 case LINUX_DVD_HOST_SEND_KEY2: 1370 *bcode = DVDIOCSENDKEY; 1371 bp->format = DVD_SEND_KEY2; 1372 bp->agid = lp->hsk.agid; 1373 memcpy(bp->keychal, lp->hsk.key, 5); 1374 break; 1375 case LINUX_DVD_LU_SEND_TITLE_KEY: 1376 *bcode = DVDIOCREPORTKEY; 1377 bp->format = DVD_REPORT_TITLE_KEY; 1378 bp->agid = lp->lstk.agid; 1379 bp->lba = lp->lstk.lba; 1380 break; 1381 case LINUX_DVD_LU_SEND_ASF: 1382 *bcode = DVDIOCREPORTKEY; 1383 bp->format = DVD_REPORT_ASF; 1384 bp->agid = lp->lsasf.agid; 1385 break; 1386 case LINUX_DVD_INVALIDATE_AGID: 1387 *bcode = DVDIOCREPORTKEY; 1388 bp->format = DVD_INVALIDATE_AGID; 1389 bp->agid = lp->lsa.agid; 1390 break; 1391 case LINUX_DVD_LU_SEND_RPC_STATE: 1392 *bcode = DVDIOCREPORTKEY; 1393 bp->format = DVD_REPORT_RPC; 1394 break; 1395 case LINUX_DVD_HOST_SEND_RPC_STATE: 1396 *bcode = DVDIOCSENDKEY; 1397 bp->format = DVD_SEND_RPC; 1398 bp->region = lp->hrpcs.pdrc; 1399 break; 1400 default: 1401 return (EINVAL); 1402 } 1403 return (0); 1404 } 1405 1406 static int 1407 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1408 { 1409 switch (lp->type) { 1410 case LINUX_DVD_LU_SEND_AGID: 1411 lp->lsa.agid = bp->agid; 1412 break; 1413 case LINUX_DVD_HOST_SEND_CHALLENGE: 1414 lp->type = LINUX_DVD_LU_SEND_KEY1; 1415 break; 1416 case LINUX_DVD_LU_SEND_KEY1: 1417 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1418 break; 1419 case LINUX_DVD_LU_SEND_CHALLENGE: 1420 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1421 break; 1422 case LINUX_DVD_HOST_SEND_KEY2: 1423 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1424 break; 1425 case LINUX_DVD_LU_SEND_TITLE_KEY: 1426 memcpy(lp->lstk.title_key, bp->keychal, 1427 sizeof(lp->lstk.title_key)); 1428 lp->lstk.cpm = bp->cpm; 1429 lp->lstk.cp_sec = bp->cp_sec; 1430 lp->lstk.cgms = bp->cgms; 1431 break; 1432 case LINUX_DVD_LU_SEND_ASF: 1433 lp->lsasf.asf = bp->asf; 1434 break; 1435 case LINUX_DVD_INVALIDATE_AGID: 1436 break; 1437 case LINUX_DVD_LU_SEND_RPC_STATE: 1438 lp->lrpcs.type = bp->reg_type; 1439 lp->lrpcs.vra = bp->vend_rsts; 1440 lp->lrpcs.ucca = bp->user_rsts; 1441 lp->lrpcs.region_mask = bp->region; 1442 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1443 break; 1444 case LINUX_DVD_HOST_SEND_RPC_STATE: 1445 break; 1446 default: 1447 return (EINVAL); 1448 } 1449 return (0); 1450 } 1451 1452 static int 1453 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1454 { 1455 struct file *fp; 1456 int error; 1457 1458 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1459 if (error != 0) 1460 return (error); 1461 switch (args->cmd & 0xffff) { 1462 case LINUX_CDROMPAUSE: 1463 args->cmd = CDIOCPAUSE; 1464 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1465 break; 1466 1467 case LINUX_CDROMRESUME: 1468 args->cmd = CDIOCRESUME; 1469 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1470 break; 1471 1472 case LINUX_CDROMPLAYMSF: 1473 args->cmd = CDIOCPLAYMSF; 1474 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1475 break; 1476 1477 case LINUX_CDROMPLAYTRKIND: 1478 args->cmd = CDIOCPLAYTRACKS; 1479 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1480 break; 1481 1482 case LINUX_CDROMREADTOCHDR: { 1483 struct ioc_toc_header th; 1484 struct linux_cdrom_tochdr lth; 1485 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1486 td->td_ucred, td); 1487 if (!error) { 1488 lth.cdth_trk0 = th.starting_track; 1489 lth.cdth_trk1 = th.ending_track; 1490 copyout(<h, (void *)args->arg, sizeof(lth)); 1491 } 1492 break; 1493 } 1494 1495 case LINUX_CDROMREADTOCENTRY: { 1496 struct linux_cdrom_tocentry lte; 1497 struct ioc_read_toc_single_entry irtse; 1498 1499 error = copyin((void *)args->arg, <e, sizeof(lte)); 1500 if (error) 1501 break; 1502 irtse.address_format = lte.cdte_format; 1503 irtse.track = lte.cdte_track; 1504 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1505 td->td_ucred, td); 1506 if (!error) { 1507 lte.cdte_ctrl = irtse.entry.control; 1508 lte.cdte_adr = irtse.entry.addr_type; 1509 bsd_to_linux_msf_lba(irtse.address_format, 1510 &irtse.entry.addr, <e.cdte_addr); 1511 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1512 } 1513 break; 1514 } 1515 1516 case LINUX_CDROMSTOP: 1517 args->cmd = CDIOCSTOP; 1518 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1519 break; 1520 1521 case LINUX_CDROMSTART: 1522 args->cmd = CDIOCSTART; 1523 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1524 break; 1525 1526 case LINUX_CDROMEJECT: 1527 args->cmd = CDIOCEJECT; 1528 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1529 break; 1530 1531 /* LINUX_CDROMVOLCTRL */ 1532 1533 case LINUX_CDROMSUBCHNL: { 1534 struct linux_cdrom_subchnl sc; 1535 struct ioc_read_subchannel bsdsc; 1536 struct cd_sub_channel_info bsdinfo; 1537 1538 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1539 if (error) 1540 break; 1541 1542 /* 1543 * Invoke the native ioctl and bounce the returned data through 1544 * the userspace buffer. This works because the Linux structure 1545 * is the same size as our structures for the subchannel header 1546 * and position data. 1547 */ 1548 bsdsc.address_format = CD_LBA_FORMAT; 1549 bsdsc.data_format = CD_CURRENT_POSITION; 1550 bsdsc.track = 0; 1551 bsdsc.data_len = sizeof(sc); 1552 bsdsc.data = (void *)args->arg; 1553 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1554 td->td_ucred, td); 1555 if (error) 1556 break; 1557 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1558 if (error) 1559 break; 1560 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1561 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1562 sc.cdsc_ctrl = bsdinfo.what.position.control; 1563 sc.cdsc_trk = bsdinfo.what.position.track_number; 1564 sc.cdsc_ind = bsdinfo.what.position.index_number; 1565 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1566 bsdinfo.what.position.absaddr.lba); 1567 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1568 bsdinfo.what.position.reladdr.lba); 1569 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1570 break; 1571 } 1572 1573 /* LINUX_CDROMREADMODE2 */ 1574 /* LINUX_CDROMREADMODE1 */ 1575 /* LINUX_CDROMREADAUDIO */ 1576 /* LINUX_CDROMEJECT_SW */ 1577 /* LINUX_CDROMMULTISESSION */ 1578 /* LINUX_CDROM_GET_UPC */ 1579 1580 case LINUX_CDROMRESET: 1581 args->cmd = CDIOCRESET; 1582 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1583 break; 1584 1585 /* LINUX_CDROMVOLREAD */ 1586 /* LINUX_CDROMREADRAW */ 1587 /* LINUX_CDROMREADCOOKED */ 1588 /* LINUX_CDROMSEEK */ 1589 /* LINUX_CDROMPLAYBLK */ 1590 /* LINUX_CDROMREADALL */ 1591 /* LINUX_CDROMCLOSETRAY */ 1592 /* LINUX_CDROMLOADFROMSLOT */ 1593 /* LINUX_CDROMGETSPINDOWN */ 1594 /* LINUX_CDROMSETSPINDOWN */ 1595 /* LINUX_CDROM_SET_OPTIONS */ 1596 /* LINUX_CDROM_CLEAR_OPTIONS */ 1597 /* LINUX_CDROM_SELECT_SPEED */ 1598 /* LINUX_CDROM_SELECT_DISC */ 1599 /* LINUX_CDROM_MEDIA_CHANGED */ 1600 /* LINUX_CDROM_DRIVE_STATUS */ 1601 /* LINUX_CDROM_DISC_STATUS */ 1602 /* LINUX_CDROM_CHANGER_NSLOTS */ 1603 /* LINUX_CDROM_LOCKDOOR */ 1604 /* LINUX_CDROM_DEBUG */ 1605 /* LINUX_CDROM_GET_CAPABILITY */ 1606 /* LINUX_CDROMAUDIOBUFSIZ */ 1607 1608 case LINUX_DVD_READ_STRUCT: { 1609 l_dvd_struct *lds; 1610 struct dvd_struct *bds; 1611 1612 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1613 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1614 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1615 if (error) 1616 goto out; 1617 error = linux_to_bsd_dvd_struct(lds, bds); 1618 if (error) 1619 goto out; 1620 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1621 td->td_ucred, td); 1622 if (error) 1623 goto out; 1624 error = bsd_to_linux_dvd_struct(bds, lds); 1625 if (error) 1626 goto out; 1627 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1628 out: 1629 free(bds, M_LINUX); 1630 free(lds, M_LINUX); 1631 break; 1632 } 1633 1634 /* LINUX_DVD_WRITE_STRUCT */ 1635 1636 case LINUX_DVD_AUTH: { 1637 l_dvd_authinfo lda; 1638 struct dvd_authinfo bda; 1639 int bcode; 1640 1641 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1642 if (error) 1643 break; 1644 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1645 if (error) 1646 break; 1647 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1648 td); 1649 if (error) { 1650 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1651 lda.type = LINUX_DVD_AUTH_FAILURE; 1652 copyout(&lda, (void *)args->arg, sizeof(lda)); 1653 } 1654 break; 1655 } 1656 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1657 if (error) 1658 break; 1659 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1660 break; 1661 } 1662 1663 case LINUX_SCSI_GET_BUS_NUMBER: 1664 { 1665 struct sg_scsi_id id; 1666 1667 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1668 td->td_ucred, td); 1669 if (error) 1670 break; 1671 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1672 break; 1673 } 1674 1675 case LINUX_SCSI_GET_IDLUN: 1676 { 1677 struct sg_scsi_id id; 1678 struct scsi_idlun idl; 1679 1680 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1681 td->td_ucred, td); 1682 if (error) 1683 break; 1684 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1685 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1686 idl.host_unique_id = id.host_no; 1687 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1688 break; 1689 } 1690 1691 /* LINUX_CDROM_SEND_PACKET */ 1692 /* LINUX_CDROM_NEXT_WRITABLE */ 1693 /* LINUX_CDROM_LAST_WRITTEN */ 1694 1695 default: 1696 error = ENOIOCTL; 1697 break; 1698 } 1699 1700 fdrop(fp, td); 1701 return (error); 1702 } 1703 1704 static int 1705 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1706 { 1707 1708 return (ENOTTY); 1709 } 1710 1711 /* 1712 * Sound related ioctls 1713 */ 1714 1715 struct linux_old_mixer_info { 1716 char id[16]; 1717 char name[32]; 1718 }; 1719 1720 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1721 1722 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1723 1724 static int 1725 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1726 { 1727 1728 switch (args->cmd & 0xffff) { 1729 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1730 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1731 return (sys_ioctl(td, (struct ioctl_args *)args)); 1732 1733 case LINUX_SOUND_MIXER_WRITE_BASS: 1734 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1735 return (sys_ioctl(td, (struct ioctl_args *)args)); 1736 1737 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1738 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1739 return (sys_ioctl(td, (struct ioctl_args *)args)); 1740 1741 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1742 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1743 return (sys_ioctl(td, (struct ioctl_args *)args)); 1744 1745 case LINUX_SOUND_MIXER_WRITE_PCM: 1746 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1747 return (sys_ioctl(td, (struct ioctl_args *)args)); 1748 1749 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1750 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1751 return (sys_ioctl(td, (struct ioctl_args *)args)); 1752 1753 case LINUX_SOUND_MIXER_WRITE_LINE: 1754 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1755 return (sys_ioctl(td, (struct ioctl_args *)args)); 1756 1757 case LINUX_SOUND_MIXER_WRITE_MIC: 1758 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1759 return (sys_ioctl(td, (struct ioctl_args *)args)); 1760 1761 case LINUX_SOUND_MIXER_WRITE_CD: 1762 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1763 return (sys_ioctl(td, (struct ioctl_args *)args)); 1764 1765 case LINUX_SOUND_MIXER_WRITE_IMIX: 1766 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1767 return (sys_ioctl(td, (struct ioctl_args *)args)); 1768 1769 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1770 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1771 return (sys_ioctl(td, (struct ioctl_args *)args)); 1772 1773 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1774 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1775 return (sys_ioctl(td, (struct ioctl_args *)args)); 1776 1777 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1778 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1779 return (sys_ioctl(td, (struct ioctl_args *)args)); 1780 1781 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1782 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1783 return (sys_ioctl(td, (struct ioctl_args *)args)); 1784 1785 case LINUX_SOUND_MIXER_WRITE_LINE1: 1786 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1787 return (sys_ioctl(td, (struct ioctl_args *)args)); 1788 1789 case LINUX_SOUND_MIXER_WRITE_LINE2: 1790 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1791 return (sys_ioctl(td, (struct ioctl_args *)args)); 1792 1793 case LINUX_SOUND_MIXER_WRITE_LINE3: 1794 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1795 return (sys_ioctl(td, (struct ioctl_args *)args)); 1796 1797 case LINUX_SOUND_MIXER_INFO: { 1798 /* Key on encoded length */ 1799 switch ((args->cmd >> 16) & 0x1fff) { 1800 case 0x005c: { /* SOUND_MIXER_INFO */ 1801 args->cmd = SOUND_MIXER_INFO; 1802 return (sys_ioctl(td, (struct ioctl_args *)args)); 1803 } 1804 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1805 struct linux_old_mixer_info info; 1806 bzero(&info, sizeof(info)); 1807 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1808 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1809 copyout(&info, (void *)args->arg, sizeof(info)); 1810 return (0); 1811 } 1812 default: 1813 return (ENOIOCTL); 1814 } 1815 break; 1816 } 1817 1818 case LINUX_OSS_GETVERSION: { 1819 int version = linux_get_oss_version(td); 1820 return (copyout(&version, (void *)args->arg, sizeof(int))); 1821 } 1822 1823 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1824 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1825 return (sys_ioctl(td, (struct ioctl_args *)args)); 1826 1827 case LINUX_SOUND_MIXER_READ_CAPS: 1828 args->cmd = SOUND_MIXER_READ_CAPS; 1829 return (sys_ioctl(td, (struct ioctl_args *)args)); 1830 1831 case LINUX_SOUND_MIXER_READ_RECMASK: 1832 args->cmd = SOUND_MIXER_READ_RECMASK; 1833 return (sys_ioctl(td, (struct ioctl_args *)args)); 1834 1835 case LINUX_SOUND_MIXER_READ_DEVMASK: 1836 args->cmd = SOUND_MIXER_READ_DEVMASK; 1837 return (sys_ioctl(td, (struct ioctl_args *)args)); 1838 1839 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1840 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1841 return (sys_ioctl(td, (struct ioctl_args *)args)); 1842 1843 case LINUX_SNDCTL_DSP_RESET: 1844 args->cmd = SNDCTL_DSP_RESET; 1845 return (sys_ioctl(td, (struct ioctl_args *)args)); 1846 1847 case LINUX_SNDCTL_DSP_SYNC: 1848 args->cmd = SNDCTL_DSP_SYNC; 1849 return (sys_ioctl(td, (struct ioctl_args *)args)); 1850 1851 case LINUX_SNDCTL_DSP_SPEED: 1852 args->cmd = SNDCTL_DSP_SPEED; 1853 return (sys_ioctl(td, (struct ioctl_args *)args)); 1854 1855 case LINUX_SNDCTL_DSP_STEREO: 1856 args->cmd = SNDCTL_DSP_STEREO; 1857 return (sys_ioctl(td, (struct ioctl_args *)args)); 1858 1859 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1860 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1861 return (sys_ioctl(td, (struct ioctl_args *)args)); 1862 1863 case LINUX_SNDCTL_DSP_SETFMT: 1864 args->cmd = SNDCTL_DSP_SETFMT; 1865 return (sys_ioctl(td, (struct ioctl_args *)args)); 1866 1867 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1868 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1869 return (sys_ioctl(td, (struct ioctl_args *)args)); 1870 1871 case LINUX_SOUND_PCM_WRITE_FILTER: 1872 args->cmd = SOUND_PCM_WRITE_FILTER; 1873 return (sys_ioctl(td, (struct ioctl_args *)args)); 1874 1875 case LINUX_SNDCTL_DSP_POST: 1876 args->cmd = SNDCTL_DSP_POST; 1877 return (sys_ioctl(td, (struct ioctl_args *)args)); 1878 1879 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1880 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1881 return (sys_ioctl(td, (struct ioctl_args *)args)); 1882 1883 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1884 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1885 return (sys_ioctl(td, (struct ioctl_args *)args)); 1886 1887 case LINUX_SNDCTL_DSP_GETFMTS: 1888 args->cmd = SNDCTL_DSP_GETFMTS; 1889 return (sys_ioctl(td, (struct ioctl_args *)args)); 1890 1891 case LINUX_SNDCTL_DSP_GETOSPACE: 1892 args->cmd = SNDCTL_DSP_GETOSPACE; 1893 return (sys_ioctl(td, (struct ioctl_args *)args)); 1894 1895 case LINUX_SNDCTL_DSP_GETISPACE: 1896 args->cmd = SNDCTL_DSP_GETISPACE; 1897 return (sys_ioctl(td, (struct ioctl_args *)args)); 1898 1899 case LINUX_SNDCTL_DSP_NONBLOCK: 1900 args->cmd = SNDCTL_DSP_NONBLOCK; 1901 return (sys_ioctl(td, (struct ioctl_args *)args)); 1902 1903 case LINUX_SNDCTL_DSP_GETCAPS: 1904 args->cmd = SNDCTL_DSP_GETCAPS; 1905 return (sys_ioctl(td, (struct ioctl_args *)args)); 1906 1907 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1908 args->cmd = SNDCTL_DSP_SETTRIGGER; 1909 return (sys_ioctl(td, (struct ioctl_args *)args)); 1910 1911 case LINUX_SNDCTL_DSP_GETIPTR: 1912 args->cmd = SNDCTL_DSP_GETIPTR; 1913 return (sys_ioctl(td, (struct ioctl_args *)args)); 1914 1915 case LINUX_SNDCTL_DSP_GETOPTR: 1916 args->cmd = SNDCTL_DSP_GETOPTR; 1917 return (sys_ioctl(td, (struct ioctl_args *)args)); 1918 1919 case LINUX_SNDCTL_DSP_SETDUPLEX: 1920 args->cmd = SNDCTL_DSP_SETDUPLEX; 1921 return (sys_ioctl(td, (struct ioctl_args *)args)); 1922 1923 case LINUX_SNDCTL_DSP_GETODELAY: 1924 args->cmd = SNDCTL_DSP_GETODELAY; 1925 return (sys_ioctl(td, (struct ioctl_args *)args)); 1926 1927 case LINUX_SNDCTL_SEQ_RESET: 1928 args->cmd = SNDCTL_SEQ_RESET; 1929 return (sys_ioctl(td, (struct ioctl_args *)args)); 1930 1931 case LINUX_SNDCTL_SEQ_SYNC: 1932 args->cmd = SNDCTL_SEQ_SYNC; 1933 return (sys_ioctl(td, (struct ioctl_args *)args)); 1934 1935 case LINUX_SNDCTL_SYNTH_INFO: 1936 args->cmd = SNDCTL_SYNTH_INFO; 1937 return (sys_ioctl(td, (struct ioctl_args *)args)); 1938 1939 case LINUX_SNDCTL_SEQ_CTRLRATE: 1940 args->cmd = SNDCTL_SEQ_CTRLRATE; 1941 return (sys_ioctl(td, (struct ioctl_args *)args)); 1942 1943 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1944 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1945 return (sys_ioctl(td, (struct ioctl_args *)args)); 1946 1947 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1948 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1949 return (sys_ioctl(td, (struct ioctl_args *)args)); 1950 1951 case LINUX_SNDCTL_SEQ_PERCMODE: 1952 args->cmd = SNDCTL_SEQ_PERCMODE; 1953 return (sys_ioctl(td, (struct ioctl_args *)args)); 1954 1955 case LINUX_SNDCTL_FM_LOAD_INSTR: 1956 args->cmd = SNDCTL_FM_LOAD_INSTR; 1957 return (sys_ioctl(td, (struct ioctl_args *)args)); 1958 1959 case LINUX_SNDCTL_SEQ_TESTMIDI: 1960 args->cmd = SNDCTL_SEQ_TESTMIDI; 1961 return (sys_ioctl(td, (struct ioctl_args *)args)); 1962 1963 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1964 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1965 return (sys_ioctl(td, (struct ioctl_args *)args)); 1966 1967 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1968 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1969 return (sys_ioctl(td, (struct ioctl_args *)args)); 1970 1971 case LINUX_SNDCTL_SEQ_NRMIDIS: 1972 args->cmd = SNDCTL_SEQ_NRMIDIS; 1973 return (sys_ioctl(td, (struct ioctl_args *)args)); 1974 1975 case LINUX_SNDCTL_MIDI_INFO: 1976 args->cmd = SNDCTL_MIDI_INFO; 1977 return (sys_ioctl(td, (struct ioctl_args *)args)); 1978 1979 case LINUX_SNDCTL_SEQ_TRESHOLD: 1980 args->cmd = SNDCTL_SEQ_TRESHOLD; 1981 return (sys_ioctl(td, (struct ioctl_args *)args)); 1982 1983 case LINUX_SNDCTL_SYNTH_MEMAVL: 1984 args->cmd = SNDCTL_SYNTH_MEMAVL; 1985 return (sys_ioctl(td, (struct ioctl_args *)args)); 1986 } 1987 1988 return (ENOIOCTL); 1989 } 1990 1991 /* 1992 * Console related ioctls 1993 */ 1994 1995 static int 1996 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1997 { 1998 struct file *fp; 1999 int error; 2000 2001 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2002 if (error != 0) 2003 return (error); 2004 switch (args->cmd & 0xffff) { 2005 case LINUX_KIOCSOUND: 2006 args->cmd = KIOCSOUND; 2007 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2008 break; 2009 2010 case LINUX_KDMKTONE: 2011 args->cmd = KDMKTONE; 2012 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2013 break; 2014 2015 case LINUX_KDGETLED: 2016 args->cmd = KDGETLED; 2017 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2018 break; 2019 2020 case LINUX_KDSETLED: 2021 args->cmd = KDSETLED; 2022 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2023 break; 2024 2025 case LINUX_KDSETMODE: 2026 args->cmd = KDSETMODE; 2027 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2028 break; 2029 2030 case LINUX_KDGETMODE: 2031 args->cmd = KDGETMODE; 2032 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2033 break; 2034 2035 case LINUX_KDGKBMODE: 2036 args->cmd = KDGKBMODE; 2037 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2038 break; 2039 2040 case LINUX_KDSKBMODE: { 2041 int kbdmode; 2042 switch (args->arg) { 2043 case LINUX_KBD_RAW: 2044 kbdmode = K_RAW; 2045 break; 2046 case LINUX_KBD_XLATE: 2047 kbdmode = K_XLATE; 2048 break; 2049 case LINUX_KBD_MEDIUMRAW: 2050 kbdmode = K_RAW; 2051 break; 2052 default: 2053 fdrop(fp, td); 2054 return (EINVAL); 2055 } 2056 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2057 td->td_ucred, td)); 2058 break; 2059 } 2060 2061 case LINUX_VT_OPENQRY: 2062 args->cmd = VT_OPENQRY; 2063 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2064 break; 2065 2066 case LINUX_VT_GETMODE: 2067 args->cmd = VT_GETMODE; 2068 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2069 break; 2070 2071 case LINUX_VT_SETMODE: { 2072 struct vt_mode mode; 2073 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2074 break; 2075 if (LINUX_SIG_VALID(mode.relsig)) 2076 mode.relsig = linux_to_bsd_signal(mode.relsig); 2077 else 2078 mode.relsig = 0; 2079 if (LINUX_SIG_VALID(mode.acqsig)) 2080 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2081 else 2082 mode.acqsig = 0; 2083 /* XXX. Linux ignores frsig and set it to 0. */ 2084 mode.frsig = 0; 2085 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2086 break; 2087 args->cmd = VT_SETMODE; 2088 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2089 break; 2090 } 2091 2092 case LINUX_VT_GETSTATE: 2093 args->cmd = VT_GETACTIVE; 2094 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2095 break; 2096 2097 case LINUX_VT_RELDISP: 2098 args->cmd = VT_RELDISP; 2099 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2100 break; 2101 2102 case LINUX_VT_ACTIVATE: 2103 args->cmd = VT_ACTIVATE; 2104 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2105 break; 2106 2107 case LINUX_VT_WAITACTIVE: 2108 args->cmd = VT_WAITACTIVE; 2109 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2110 break; 2111 2112 default: 2113 error = ENOIOCTL; 2114 break; 2115 } 2116 2117 fdrop(fp, td); 2118 return (error); 2119 } 2120 2121 /* 2122 * Implement the SIOCGIFNAME ioctl 2123 */ 2124 2125 static int 2126 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2127 { 2128 struct l_ifreq ifr; 2129 struct ifnet *ifp; 2130 int error, ethno, index; 2131 2132 error = copyin(uifr, &ifr, sizeof(ifr)); 2133 if (error != 0) 2134 return (error); 2135 2136 CURVNET_SET(TD_TO_VNET(curthread)); 2137 IFNET_RLOCK(); 2138 index = 1; /* ifr.ifr_ifindex starts from 1 */ 2139 ethno = 0; 2140 error = ENODEV; 2141 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2142 if (ifr.ifr_ifindex == index) { 2143 if (IFP_IS_ETH(ifp)) 2144 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, 2145 "eth%d", ethno); 2146 else 2147 strlcpy(ifr.ifr_name, ifp->if_xname, 2148 LINUX_IFNAMSIZ); 2149 error = 0; 2150 break; 2151 } 2152 if (IFP_IS_ETH(ifp)) 2153 ethno++; 2154 index++; 2155 } 2156 IFNET_RUNLOCK(); 2157 if (error == 0) 2158 error = copyout(&ifr, uifr, sizeof(ifr)); 2159 CURVNET_RESTORE(); 2160 2161 return (error); 2162 } 2163 2164 /* 2165 * Implement the SIOCGIFCONF ioctl 2166 */ 2167 2168 static int 2169 linux_ifconf(struct thread *td, struct ifconf *uifc) 2170 { 2171 #ifdef COMPAT_LINUX32 2172 struct l_ifconf ifc; 2173 #else 2174 struct ifconf ifc; 2175 #endif 2176 struct l_ifreq ifr; 2177 struct ifnet *ifp; 2178 struct ifaddr *ifa; 2179 struct sbuf *sb; 2180 int error, ethno, full = 0, valid_len, max_len; 2181 2182 error = copyin(uifc, &ifc, sizeof(ifc)); 2183 if (error != 0) 2184 return (error); 2185 2186 max_len = MAXPHYS - 1; 2187 2188 CURVNET_SET(TD_TO_VNET(td)); 2189 /* handle the 'request buffer size' case */ 2190 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2191 ifc.ifc_len = 0; 2192 IFNET_RLOCK(); 2193 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2194 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2195 struct sockaddr *sa = ifa->ifa_addr; 2196 if (sa->sa_family == AF_INET) 2197 ifc.ifc_len += sizeof(ifr); 2198 } 2199 } 2200 IFNET_RUNLOCK(); 2201 error = copyout(&ifc, uifc, sizeof(ifc)); 2202 CURVNET_RESTORE(); 2203 return (error); 2204 } 2205 2206 if (ifc.ifc_len <= 0) { 2207 CURVNET_RESTORE(); 2208 return (EINVAL); 2209 } 2210 2211 again: 2212 /* Keep track of eth interfaces */ 2213 ethno = 0; 2214 if (ifc.ifc_len <= max_len) { 2215 max_len = ifc.ifc_len; 2216 full = 1; 2217 } 2218 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2219 max_len = 0; 2220 valid_len = 0; 2221 2222 /* Return all AF_INET addresses of all interfaces */ 2223 IFNET_RLOCK(); 2224 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2225 int addrs = 0; 2226 2227 bzero(&ifr, sizeof(ifr)); 2228 if (IFP_IS_ETH(ifp)) 2229 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2230 ethno++); 2231 else 2232 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2233 2234 /* Walk the address list */ 2235 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2236 struct sockaddr *sa = ifa->ifa_addr; 2237 2238 if (sa->sa_family == AF_INET) { 2239 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2240 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2241 sizeof(ifr.ifr_addr.sa_data)); 2242 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2243 max_len += sizeof(ifr); 2244 addrs++; 2245 } 2246 2247 if (sbuf_error(sb) == 0) 2248 valid_len = sbuf_len(sb); 2249 } 2250 if (addrs == 0) { 2251 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2252 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2253 max_len += sizeof(ifr); 2254 2255 if (sbuf_error(sb) == 0) 2256 valid_len = sbuf_len(sb); 2257 } 2258 } 2259 IFNET_RUNLOCK(); 2260 2261 if (valid_len != max_len && !full) { 2262 sbuf_delete(sb); 2263 goto again; 2264 } 2265 2266 ifc.ifc_len = valid_len; 2267 sbuf_finish(sb); 2268 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2269 if (error == 0) 2270 error = copyout(&ifc, uifc, sizeof(ifc)); 2271 sbuf_delete(sb); 2272 CURVNET_RESTORE(); 2273 2274 return (error); 2275 } 2276 2277 static int 2278 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2279 { 2280 l_short flags; 2281 2282 linux_ifflags(ifp, &flags); 2283 2284 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2285 } 2286 2287 static int 2288 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2289 { 2290 struct l_sockaddr lsa; 2291 2292 if (linux_ifhwaddr(ifp, &lsa) != 0) 2293 return (ENOENT); 2294 2295 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2296 } 2297 2298 /* 2299 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2300 * the native ioctl(). Thus, we don't really need to check the return 2301 * value of this function. 2302 */ 2303 static int 2304 bsd_to_linux_ifreq(struct ifreq *arg) 2305 { 2306 struct ifreq ifr; 2307 size_t ifr_len = sizeof(struct ifreq); 2308 int error; 2309 2310 if ((error = copyin(arg, &ifr, ifr_len))) 2311 return (error); 2312 2313 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2314 2315 error = copyout(&ifr, arg, ifr_len); 2316 2317 return (error); 2318 } 2319 2320 /* 2321 * Socket related ioctls 2322 */ 2323 2324 static int 2325 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2326 { 2327 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2328 struct ifnet *ifp; 2329 struct file *fp; 2330 int error, type; 2331 2332 ifp = NULL; 2333 error = 0; 2334 2335 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2336 if (error != 0) 2337 return (error); 2338 type = fp->f_type; 2339 fdrop(fp, td); 2340 if (type != DTYPE_SOCKET) { 2341 /* not a socket - probably a tap / vmnet device */ 2342 switch (args->cmd) { 2343 case LINUX_SIOCGIFADDR: 2344 case LINUX_SIOCSIFADDR: 2345 case LINUX_SIOCGIFFLAGS: 2346 return (linux_ioctl_special(td, args)); 2347 default: 2348 return (ENOIOCTL); 2349 } 2350 } 2351 2352 switch (args->cmd & 0xffff) { 2353 case LINUX_FIOGETOWN: 2354 case LINUX_FIOSETOWN: 2355 case LINUX_SIOCADDMULTI: 2356 case LINUX_SIOCATMARK: 2357 case LINUX_SIOCDELMULTI: 2358 case LINUX_SIOCGIFNAME: 2359 case LINUX_SIOCGIFCONF: 2360 case LINUX_SIOCGPGRP: 2361 case LINUX_SIOCSPGRP: 2362 case LINUX_SIOCGIFCOUNT: 2363 /* these ioctls don't take an interface name */ 2364 break; 2365 2366 case LINUX_SIOCGIFFLAGS: 2367 case LINUX_SIOCGIFADDR: 2368 case LINUX_SIOCSIFADDR: 2369 case LINUX_SIOCGIFDSTADDR: 2370 case LINUX_SIOCGIFBRDADDR: 2371 case LINUX_SIOCGIFNETMASK: 2372 case LINUX_SIOCSIFNETMASK: 2373 case LINUX_SIOCGIFMTU: 2374 case LINUX_SIOCSIFMTU: 2375 case LINUX_SIOCSIFNAME: 2376 case LINUX_SIOCGIFHWADDR: 2377 case LINUX_SIOCSIFHWADDR: 2378 case LINUX_SIOCDEVPRIVATE: 2379 case LINUX_SIOCDEVPRIVATE+1: 2380 case LINUX_SIOCGIFINDEX: 2381 /* copy in the interface name and translate it. */ 2382 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2383 if (error != 0) 2384 return (error); 2385 memset(ifname, 0, sizeof(ifname)); 2386 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2387 if (ifp == NULL) 2388 return (EINVAL); 2389 /* 2390 * We need to copy it back out in case we pass the 2391 * request on to our native ioctl(), which will expect 2392 * the ifreq to be in user space and have the correct 2393 * interface name. 2394 */ 2395 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2396 if (error != 0) 2397 return (error); 2398 break; 2399 2400 default: 2401 return (ENOIOCTL); 2402 } 2403 2404 switch (args->cmd & 0xffff) { 2405 case LINUX_FIOSETOWN: 2406 args->cmd = FIOSETOWN; 2407 error = sys_ioctl(td, (struct ioctl_args *)args); 2408 break; 2409 2410 case LINUX_SIOCSPGRP: 2411 args->cmd = SIOCSPGRP; 2412 error = sys_ioctl(td, (struct ioctl_args *)args); 2413 break; 2414 2415 case LINUX_FIOGETOWN: 2416 args->cmd = FIOGETOWN; 2417 error = sys_ioctl(td, (struct ioctl_args *)args); 2418 break; 2419 2420 case LINUX_SIOCGPGRP: 2421 args->cmd = SIOCGPGRP; 2422 error = sys_ioctl(td, (struct ioctl_args *)args); 2423 break; 2424 2425 case LINUX_SIOCATMARK: 2426 args->cmd = SIOCATMARK; 2427 error = sys_ioctl(td, (struct ioctl_args *)args); 2428 break; 2429 2430 /* LINUX_SIOCGSTAMP */ 2431 2432 case LINUX_SIOCGIFNAME: 2433 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2434 break; 2435 2436 case LINUX_SIOCGIFCONF: 2437 error = linux_ifconf(td, (struct ifconf *)args->arg); 2438 break; 2439 2440 case LINUX_SIOCGIFFLAGS: 2441 args->cmd = SIOCGIFFLAGS; 2442 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2443 break; 2444 2445 case LINUX_SIOCGIFADDR: 2446 args->cmd = SIOCGIFADDR; 2447 error = sys_ioctl(td, (struct ioctl_args *)args); 2448 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2449 break; 2450 2451 case LINUX_SIOCSIFADDR: 2452 /* XXX probably doesn't work, included for completeness */ 2453 args->cmd = SIOCSIFADDR; 2454 error = sys_ioctl(td, (struct ioctl_args *)args); 2455 break; 2456 2457 case LINUX_SIOCGIFDSTADDR: 2458 args->cmd = SIOCGIFDSTADDR; 2459 error = sys_ioctl(td, (struct ioctl_args *)args); 2460 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2461 break; 2462 2463 case LINUX_SIOCGIFBRDADDR: 2464 args->cmd = SIOCGIFBRDADDR; 2465 error = sys_ioctl(td, (struct ioctl_args *)args); 2466 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2467 break; 2468 2469 case LINUX_SIOCGIFNETMASK: 2470 args->cmd = SIOCGIFNETMASK; 2471 error = sys_ioctl(td, (struct ioctl_args *)args); 2472 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2473 break; 2474 2475 case LINUX_SIOCSIFNETMASK: 2476 error = ENOIOCTL; 2477 break; 2478 2479 case LINUX_SIOCGIFMTU: 2480 args->cmd = SIOCGIFMTU; 2481 error = sys_ioctl(td, (struct ioctl_args *)args); 2482 break; 2483 2484 case LINUX_SIOCSIFMTU: 2485 args->cmd = SIOCSIFMTU; 2486 error = sys_ioctl(td, (struct ioctl_args *)args); 2487 break; 2488 2489 case LINUX_SIOCSIFNAME: 2490 error = ENOIOCTL; 2491 break; 2492 2493 case LINUX_SIOCGIFHWADDR: 2494 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2495 break; 2496 2497 case LINUX_SIOCSIFHWADDR: 2498 error = ENOIOCTL; 2499 break; 2500 2501 case LINUX_SIOCADDMULTI: 2502 args->cmd = SIOCADDMULTI; 2503 error = sys_ioctl(td, (struct ioctl_args *)args); 2504 break; 2505 2506 case LINUX_SIOCDELMULTI: 2507 args->cmd = SIOCDELMULTI; 2508 error = sys_ioctl(td, (struct ioctl_args *)args); 2509 break; 2510 2511 case LINUX_SIOCGIFINDEX: 2512 args->cmd = SIOCGIFINDEX; 2513 error = sys_ioctl(td, (struct ioctl_args *)args); 2514 break; 2515 2516 case LINUX_SIOCGIFCOUNT: 2517 error = 0; 2518 break; 2519 2520 /* 2521 * XXX This is slightly bogus, but these ioctls are currently 2522 * XXX only used by the aironet (if_an) network driver. 2523 */ 2524 case LINUX_SIOCDEVPRIVATE: 2525 args->cmd = SIOCGPRIVATE_0; 2526 error = sys_ioctl(td, (struct ioctl_args *)args); 2527 break; 2528 2529 case LINUX_SIOCDEVPRIVATE+1: 2530 args->cmd = SIOCGPRIVATE_1; 2531 error = sys_ioctl(td, (struct ioctl_args *)args); 2532 break; 2533 } 2534 2535 if (ifp != NULL) 2536 /* restore the original interface name */ 2537 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2538 2539 return (error); 2540 } 2541 2542 /* 2543 * Device private ioctl handler 2544 */ 2545 static int 2546 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2547 { 2548 struct file *fp; 2549 int error, type; 2550 2551 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2552 if (error != 0) 2553 return (error); 2554 type = fp->f_type; 2555 fdrop(fp, td); 2556 if (type == DTYPE_SOCKET) 2557 return (linux_ioctl_socket(td, args)); 2558 return (ENOIOCTL); 2559 } 2560 2561 /* 2562 * DRM ioctl handler (sys/dev/drm) 2563 */ 2564 static int 2565 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2566 { 2567 args->cmd = SETDIR(args->cmd); 2568 return (sys_ioctl(td, (struct ioctl_args *)args)); 2569 } 2570 2571 #ifdef COMPAT_LINUX32 2572 static int 2573 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2574 { 2575 struct sg_io_hdr io; 2576 struct sg_io_hdr32 io32; 2577 struct file *fp; 2578 int error; 2579 2580 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2581 if (error != 0) { 2582 printf("sg_linux_ioctl: fget returned %d\n", error); 2583 return (error); 2584 } 2585 2586 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2587 goto out; 2588 2589 CP(io32, io, interface_id); 2590 CP(io32, io, dxfer_direction); 2591 CP(io32, io, cmd_len); 2592 CP(io32, io, mx_sb_len); 2593 CP(io32, io, iovec_count); 2594 CP(io32, io, dxfer_len); 2595 PTRIN_CP(io32, io, dxferp); 2596 PTRIN_CP(io32, io, cmdp); 2597 PTRIN_CP(io32, io, sbp); 2598 CP(io32, io, timeout); 2599 CP(io32, io, flags); 2600 CP(io32, io, pack_id); 2601 PTRIN_CP(io32, io, usr_ptr); 2602 CP(io32, io, status); 2603 CP(io32, io, masked_status); 2604 CP(io32, io, msg_status); 2605 CP(io32, io, sb_len_wr); 2606 CP(io32, io, host_status); 2607 CP(io32, io, driver_status); 2608 CP(io32, io, resid); 2609 CP(io32, io, duration); 2610 CP(io32, io, info); 2611 2612 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2613 goto out; 2614 2615 CP(io, io32, interface_id); 2616 CP(io, io32, dxfer_direction); 2617 CP(io, io32, cmd_len); 2618 CP(io, io32, mx_sb_len); 2619 CP(io, io32, iovec_count); 2620 CP(io, io32, dxfer_len); 2621 PTROUT_CP(io, io32, dxferp); 2622 PTROUT_CP(io, io32, cmdp); 2623 PTROUT_CP(io, io32, sbp); 2624 CP(io, io32, timeout); 2625 CP(io, io32, flags); 2626 CP(io, io32, pack_id); 2627 PTROUT_CP(io, io32, usr_ptr); 2628 CP(io, io32, status); 2629 CP(io, io32, masked_status); 2630 CP(io, io32, msg_status); 2631 CP(io, io32, sb_len_wr); 2632 CP(io, io32, host_status); 2633 CP(io, io32, driver_status); 2634 CP(io, io32, resid); 2635 CP(io, io32, duration); 2636 CP(io, io32, info); 2637 2638 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2639 2640 out: 2641 fdrop(fp, td); 2642 return (error); 2643 } 2644 #endif 2645 2646 static int 2647 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2648 { 2649 2650 switch (args->cmd) { 2651 case LINUX_SG_GET_VERSION_NUM: 2652 args->cmd = SG_GET_VERSION_NUM; 2653 break; 2654 case LINUX_SG_SET_TIMEOUT: 2655 args->cmd = SG_SET_TIMEOUT; 2656 break; 2657 case LINUX_SG_GET_TIMEOUT: 2658 args->cmd = SG_GET_TIMEOUT; 2659 break; 2660 case LINUX_SG_IO: 2661 args->cmd = SG_IO; 2662 #ifdef COMPAT_LINUX32 2663 return (linux_ioctl_sg_io(td, args)); 2664 #endif 2665 break; 2666 case LINUX_SG_GET_RESERVED_SIZE: 2667 args->cmd = SG_GET_RESERVED_SIZE; 2668 break; 2669 case LINUX_SG_GET_SCSI_ID: 2670 args->cmd = SG_GET_SCSI_ID; 2671 break; 2672 case LINUX_SG_GET_SG_TABLESIZE: 2673 args->cmd = SG_GET_SG_TABLESIZE; 2674 break; 2675 default: 2676 return (ENODEV); 2677 } 2678 return (sys_ioctl(td, (struct ioctl_args *)args)); 2679 } 2680 2681 /* 2682 * Video4Linux (V4L) ioctl handler 2683 */ 2684 static int 2685 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2686 { 2687 vt->tuner = lvt->tuner; 2688 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2689 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2690 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2691 vt->flags = lvt->flags; 2692 vt->mode = lvt->mode; 2693 vt->signal = lvt->signal; 2694 return (0); 2695 } 2696 2697 static int 2698 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2699 { 2700 lvt->tuner = vt->tuner; 2701 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2702 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2703 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2704 lvt->flags = vt->flags; 2705 lvt->mode = vt->mode; 2706 lvt->signal = vt->signal; 2707 return (0); 2708 } 2709 2710 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2711 static int 2712 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2713 { 2714 vc->x = lvc->x; 2715 vc->y = lvc->y; 2716 vc->width = lvc->width; 2717 vc->height = lvc->height; 2718 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2719 return (0); 2720 } 2721 #endif 2722 2723 static int 2724 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2725 { 2726 vw->x = lvw->x; 2727 vw->y = lvw->y; 2728 vw->width = lvw->width; 2729 vw->height = lvw->height; 2730 vw->chromakey = lvw->chromakey; 2731 vw->flags = lvw->flags; 2732 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2733 vw->clipcount = lvw->clipcount; 2734 return (0); 2735 } 2736 2737 static int 2738 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2739 { 2740 memset(lvw, 0, sizeof(*lvw)); 2741 2742 lvw->x = vw->x; 2743 lvw->y = vw->y; 2744 lvw->width = vw->width; 2745 lvw->height = vw->height; 2746 lvw->chromakey = vw->chromakey; 2747 lvw->flags = vw->flags; 2748 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2749 lvw->clipcount = vw->clipcount; 2750 return (0); 2751 } 2752 2753 static int 2754 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2755 { 2756 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2757 vb->height = lvb->height; 2758 vb->width = lvb->width; 2759 vb->depth = lvb->depth; 2760 vb->bytesperline = lvb->bytesperline; 2761 return (0); 2762 } 2763 2764 static int 2765 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2766 { 2767 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2768 lvb->height = vb->height; 2769 lvb->width = vb->width; 2770 lvb->depth = vb->depth; 2771 lvb->bytesperline = vb->bytesperline; 2772 return (0); 2773 } 2774 2775 static int 2776 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2777 { 2778 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2779 vc->datasize = lvc->datasize; 2780 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2781 return (0); 2782 } 2783 2784 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2785 static int 2786 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2787 { 2788 int error; 2789 struct video_clip vclip; 2790 struct l_video_clip l_vclip; 2791 2792 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2793 if (error) return (error); 2794 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2795 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2796 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2797 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2798 memcpy(*ppvc, &vclip, sizeof(vclip)); 2799 (*ppvc)->next = NULL; 2800 return (0); 2801 } 2802 2803 static int 2804 linux_v4l_cliplist_free(struct video_window *vw) 2805 { 2806 struct video_clip **ppvc; 2807 struct video_clip **ppvc_next; 2808 2809 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2810 ppvc_next = &((*ppvc)->next); 2811 free(*ppvc, M_LINUX); 2812 } 2813 vw->clips = NULL; 2814 2815 return (0); 2816 } 2817 2818 static int 2819 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2820 { 2821 int error; 2822 int clipcount; 2823 void *plvc; 2824 struct video_clip **ppvc; 2825 2826 /* 2827 * XXX: The cliplist is used to pass in a list of clipping 2828 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2829 * clipping bitmap. Some Linux apps, however, appear to 2830 * leave cliplist and clips uninitialized. In any case, 2831 * the cliplist is not used by pwc(4), at the time of 2832 * writing, FreeBSD's only V4L driver. When a driver 2833 * that uses the cliplist is developed, this code may 2834 * need re-examiniation. 2835 */ 2836 error = 0; 2837 clipcount = vw->clipcount; 2838 if (clipcount == VIDEO_CLIP_BITMAP) { 2839 /* 2840 * In this case, the pointer (clips) is overloaded 2841 * to be a "void *" to a bitmap, therefore there 2842 * is no struct video_clip to copy now. 2843 */ 2844 } else if (clipcount > 0 && clipcount <= 16384) { 2845 /* 2846 * Clips points to list of clip rectangles, so 2847 * copy the list. 2848 * 2849 * XXX: Upper limit of 16384 was used here to try to 2850 * avoid cases when clipcount and clips pointer 2851 * are uninitialized and therefore have high random 2852 * values, as is the case in the Linux Skype 2853 * application. The value 16384 was chosen as that 2854 * is what is used in the Linux stradis(4) MPEG 2855 * decoder driver, the only place we found an 2856 * example of cliplist use. 2857 */ 2858 plvc = PTRIN(lvw->clips); 2859 vw->clips = NULL; 2860 ppvc = &(vw->clips); 2861 while (clipcount-- > 0) { 2862 if (plvc == NULL) { 2863 error = EFAULT; 2864 break; 2865 } else { 2866 error = linux_v4l_clip_copy(plvc, ppvc); 2867 if (error) { 2868 linux_v4l_cliplist_free(vw); 2869 break; 2870 } 2871 } 2872 ppvc = &((*ppvc)->next); 2873 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2874 } 2875 } else { 2876 /* 2877 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2878 * Force cliplist to null. 2879 */ 2880 vw->clipcount = 0; 2881 vw->clips = NULL; 2882 } 2883 return (error); 2884 } 2885 #endif 2886 2887 static int 2888 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2889 { 2890 struct file *fp; 2891 int error; 2892 struct video_tuner vtun; 2893 struct video_window vwin; 2894 struct video_buffer vbuf; 2895 struct video_code vcode; 2896 struct l_video_tuner l_vtun; 2897 struct l_video_window l_vwin; 2898 struct l_video_buffer l_vbuf; 2899 struct l_video_code l_vcode; 2900 2901 switch (args->cmd & 0xffff) { 2902 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2903 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2904 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2905 2906 case LINUX_VIDIOCGTUNER: 2907 error = fget(td, args->fd, 2908 &cap_ioctl_rights, &fp); 2909 if (error != 0) 2910 return (error); 2911 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2912 if (error) { 2913 fdrop(fp, td); 2914 return (error); 2915 } 2916 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2917 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2918 if (!error) { 2919 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2920 error = copyout(&l_vtun, (void *) args->arg, 2921 sizeof(l_vtun)); 2922 } 2923 fdrop(fp, td); 2924 return (error); 2925 2926 case LINUX_VIDIOCSTUNER: 2927 error = fget(td, args->fd, 2928 &cap_ioctl_rights, &fp); 2929 if (error != 0) 2930 return (error); 2931 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2932 if (error) { 2933 fdrop(fp, td); 2934 return (error); 2935 } 2936 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2937 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2938 fdrop(fp, td); 2939 return (error); 2940 2941 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2942 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2943 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2944 2945 case LINUX_VIDIOCGWIN: 2946 error = fget(td, args->fd, 2947 &cap_ioctl_rights, &fp); 2948 if (error != 0) 2949 return (error); 2950 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2951 if (!error) { 2952 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2953 error = copyout(&l_vwin, (void *) args->arg, 2954 sizeof(l_vwin)); 2955 } 2956 fdrop(fp, td); 2957 return (error); 2958 2959 case LINUX_VIDIOCSWIN: 2960 error = fget(td, args->fd, 2961 &cap_ioctl_rights, &fp); 2962 if (error != 0) 2963 return (error); 2964 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2965 if (error) { 2966 fdrop(fp, td); 2967 return (error); 2968 } 2969 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2970 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2971 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2972 if (error) { 2973 fdrop(fp, td); 2974 return (error); 2975 } 2976 #endif 2977 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2978 fdrop(fp, td); 2979 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2980 linux_v4l_cliplist_free(&vwin); 2981 #endif 2982 return (error); 2983 2984 case LINUX_VIDIOCGFBUF: 2985 error = fget(td, args->fd, 2986 &cap_ioctl_rights, &fp); 2987 if (error != 0) 2988 return (error); 2989 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2990 if (!error) { 2991 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2992 error = copyout(&l_vbuf, (void *) args->arg, 2993 sizeof(l_vbuf)); 2994 } 2995 fdrop(fp, td); 2996 return (error); 2997 2998 case LINUX_VIDIOCSFBUF: 2999 error = fget(td, args->fd, 3000 &cap_ioctl_rights, &fp); 3001 if (error != 0) 3002 return (error); 3003 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 3004 if (error) { 3005 fdrop(fp, td); 3006 return (error); 3007 } 3008 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3009 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3010 fdrop(fp, td); 3011 return (error); 3012 3013 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3014 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3015 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3016 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3017 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3018 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3019 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3020 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3021 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3022 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3023 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3024 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3025 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3026 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3027 3028 case LINUX_VIDIOCSMICROCODE: 3029 error = fget(td, args->fd, 3030 &cap_ioctl_rights, &fp); 3031 if (error != 0) 3032 return (error); 3033 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3034 if (error) { 3035 fdrop(fp, td); 3036 return (error); 3037 } 3038 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3039 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3040 fdrop(fp, td); 3041 return (error); 3042 3043 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3044 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3045 default: return (ENOIOCTL); 3046 } 3047 3048 error = sys_ioctl(td, (struct ioctl_args *)args); 3049 return (error); 3050 } 3051 3052 /* 3053 * Special ioctl handler 3054 */ 3055 static int 3056 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3057 { 3058 int error; 3059 3060 switch (args->cmd) { 3061 case LINUX_SIOCGIFADDR: 3062 args->cmd = SIOCGIFADDR; 3063 error = sys_ioctl(td, (struct ioctl_args *)args); 3064 break; 3065 case LINUX_SIOCSIFADDR: 3066 args->cmd = SIOCSIFADDR; 3067 error = sys_ioctl(td, (struct ioctl_args *)args); 3068 break; 3069 case LINUX_SIOCGIFFLAGS: 3070 args->cmd = SIOCGIFFLAGS; 3071 error = sys_ioctl(td, (struct ioctl_args *)args); 3072 break; 3073 default: 3074 error = ENOIOCTL; 3075 } 3076 3077 return (error); 3078 } 3079 3080 static int 3081 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3082 { 3083 vstd->index = lvstd->index; 3084 vstd->id = lvstd->id; 3085 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3086 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3087 vstd->frameperiod = lvstd->frameperiod; 3088 vstd->framelines = lvstd->framelines; 3089 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3090 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3091 return (0); 3092 } 3093 3094 static int 3095 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3096 { 3097 lvstd->index = vstd->index; 3098 lvstd->id = vstd->id; 3099 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3100 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3101 lvstd->frameperiod = vstd->frameperiod; 3102 lvstd->framelines = vstd->framelines; 3103 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3104 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3105 return (0); 3106 } 3107 3108 static int 3109 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3110 { 3111 vb->index = lvb->index; 3112 vb->type = lvb->type; 3113 vb->bytesused = lvb->bytesused; 3114 vb->flags = lvb->flags; 3115 vb->field = lvb->field; 3116 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3117 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3118 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3119 vb->sequence = lvb->sequence; 3120 vb->memory = lvb->memory; 3121 if (lvb->memory == V4L2_MEMORY_USERPTR) 3122 /* possible pointer size conversion */ 3123 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3124 else 3125 vb->m.offset = lvb->m.offset; 3126 vb->length = lvb->length; 3127 vb->input = lvb->input; 3128 vb->reserved = lvb->reserved; 3129 return (0); 3130 } 3131 3132 static int 3133 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3134 { 3135 lvb->index = vb->index; 3136 lvb->type = vb->type; 3137 lvb->bytesused = vb->bytesused; 3138 lvb->flags = vb->flags; 3139 lvb->field = vb->field; 3140 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3141 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3142 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3143 lvb->sequence = vb->sequence; 3144 lvb->memory = vb->memory; 3145 if (vb->memory == V4L2_MEMORY_USERPTR) 3146 /* possible pointer size conversion */ 3147 lvb->m.userptr = PTROUT(vb->m.userptr); 3148 else 3149 lvb->m.offset = vb->m.offset; 3150 lvb->length = vb->length; 3151 lvb->input = vb->input; 3152 lvb->reserved = vb->reserved; 3153 return (0); 3154 } 3155 3156 static int 3157 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3158 { 3159 vf->type = lvf->type; 3160 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3161 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3162 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3163 #endif 3164 ) 3165 /* 3166 * XXX TODO - needs 32 -> 64 bit conversion: 3167 * (unused by webcams?) 3168 */ 3169 return (EINVAL); 3170 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3171 return (0); 3172 } 3173 3174 static int 3175 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3176 { 3177 lvf->type = vf->type; 3178 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3179 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3180 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3181 #endif 3182 ) 3183 /* 3184 * XXX TODO - needs 32 -> 64 bit conversion: 3185 * (unused by webcams?) 3186 */ 3187 return (EINVAL); 3188 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3189 return (0); 3190 } 3191 static int 3192 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3193 { 3194 struct file *fp; 3195 int error; 3196 struct v4l2_format vformat; 3197 struct l_v4l2_format l_vformat; 3198 struct v4l2_standard vstd; 3199 struct l_v4l2_standard l_vstd; 3200 struct l_v4l2_buffer l_vbuf; 3201 struct v4l2_buffer vbuf; 3202 struct v4l2_input vinp; 3203 3204 switch (args->cmd & 0xffff) { 3205 case LINUX_VIDIOC_RESERVED: 3206 case LINUX_VIDIOC_LOG_STATUS: 3207 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3208 return (ENOIOCTL); 3209 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3210 break; 3211 3212 case LINUX_VIDIOC_OVERLAY: 3213 case LINUX_VIDIOC_STREAMON: 3214 case LINUX_VIDIOC_STREAMOFF: 3215 case LINUX_VIDIOC_S_STD: 3216 case LINUX_VIDIOC_S_TUNER: 3217 case LINUX_VIDIOC_S_AUDIO: 3218 case LINUX_VIDIOC_S_AUDOUT: 3219 case LINUX_VIDIOC_S_MODULATOR: 3220 case LINUX_VIDIOC_S_FREQUENCY: 3221 case LINUX_VIDIOC_S_CROP: 3222 case LINUX_VIDIOC_S_JPEGCOMP: 3223 case LINUX_VIDIOC_S_PRIORITY: 3224 case LINUX_VIDIOC_DBG_S_REGISTER: 3225 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3226 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3227 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3228 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3229 break; 3230 3231 case LINUX_VIDIOC_QUERYCAP: 3232 case LINUX_VIDIOC_G_STD: 3233 case LINUX_VIDIOC_G_AUDIO: 3234 case LINUX_VIDIOC_G_INPUT: 3235 case LINUX_VIDIOC_G_OUTPUT: 3236 case LINUX_VIDIOC_G_AUDOUT: 3237 case LINUX_VIDIOC_G_JPEGCOMP: 3238 case LINUX_VIDIOC_QUERYSTD: 3239 case LINUX_VIDIOC_G_PRIORITY: 3240 case LINUX_VIDIOC_QUERY_DV_PRESET: 3241 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3242 break; 3243 3244 case LINUX_VIDIOC_ENUM_FMT: 3245 case LINUX_VIDIOC_REQBUFS: 3246 case LINUX_VIDIOC_G_PARM: 3247 case LINUX_VIDIOC_S_PARM: 3248 case LINUX_VIDIOC_G_CTRL: 3249 case LINUX_VIDIOC_S_CTRL: 3250 case LINUX_VIDIOC_G_TUNER: 3251 case LINUX_VIDIOC_QUERYCTRL: 3252 case LINUX_VIDIOC_QUERYMENU: 3253 case LINUX_VIDIOC_S_INPUT: 3254 case LINUX_VIDIOC_S_OUTPUT: 3255 case LINUX_VIDIOC_ENUMOUTPUT: 3256 case LINUX_VIDIOC_G_MODULATOR: 3257 case LINUX_VIDIOC_G_FREQUENCY: 3258 case LINUX_VIDIOC_CROPCAP: 3259 case LINUX_VIDIOC_G_CROP: 3260 case LINUX_VIDIOC_ENUMAUDIO: 3261 case LINUX_VIDIOC_ENUMAUDOUT: 3262 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3263 #ifdef VIDIOC_ENUM_FRAMESIZES 3264 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3265 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3266 case LINUX_VIDIOC_ENCODER_CMD: 3267 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3268 #endif 3269 case LINUX_VIDIOC_DBG_G_REGISTER: 3270 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3271 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3272 case LINUX_VIDIOC_S_DV_PRESET: 3273 case LINUX_VIDIOC_G_DV_PRESET: 3274 case LINUX_VIDIOC_S_DV_TIMINGS: 3275 case LINUX_VIDIOC_G_DV_TIMINGS: 3276 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3277 break; 3278 3279 case LINUX_VIDIOC_G_FMT: 3280 case LINUX_VIDIOC_S_FMT: 3281 case LINUX_VIDIOC_TRY_FMT: 3282 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3283 if (error) 3284 return (error); 3285 error = fget(td, args->fd, 3286 &cap_ioctl_rights, &fp); 3287 if (error) 3288 return (error); 3289 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3290 error = EINVAL; 3291 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3292 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3293 td->td_ucred, td); 3294 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3295 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3296 td->td_ucred, td); 3297 else 3298 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3299 td->td_ucred, td); 3300 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3301 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3302 fdrop(fp, td); 3303 return (error); 3304 3305 case LINUX_VIDIOC_ENUMSTD: 3306 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3307 if (error) 3308 return (error); 3309 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3310 error = fget(td, args->fd, 3311 &cap_ioctl_rights, &fp); 3312 if (error) 3313 return (error); 3314 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3315 td->td_ucred, td); 3316 if (error) { 3317 fdrop(fp, td); 3318 return (error); 3319 } 3320 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3321 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3322 fdrop(fp, td); 3323 return (error); 3324 3325 case LINUX_VIDIOC_ENUMINPUT: 3326 /* 3327 * The Linux struct l_v4l2_input differs only in size, 3328 * it has no padding at the end. 3329 */ 3330 error = copyin((void *)args->arg, &vinp, 3331 sizeof(struct l_v4l2_input)); 3332 if (error != 0) 3333 return (error); 3334 error = fget(td, args->fd, 3335 &cap_ioctl_rights, &fp); 3336 if (error != 0) 3337 return (error); 3338 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3339 td->td_ucred, td); 3340 if (error) { 3341 fdrop(fp, td); 3342 return (error); 3343 } 3344 error = copyout(&vinp, (void *)args->arg, 3345 sizeof(struct l_v4l2_input)); 3346 fdrop(fp, td); 3347 return (error); 3348 3349 case LINUX_VIDIOC_QUERYBUF: 3350 case LINUX_VIDIOC_QBUF: 3351 case LINUX_VIDIOC_DQBUF: 3352 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3353 if (error) 3354 return (error); 3355 error = fget(td, args->fd, 3356 &cap_ioctl_rights, &fp); 3357 if (error) 3358 return (error); 3359 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3360 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3361 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3362 td->td_ucred, td); 3363 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3364 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3365 td->td_ucred, td); 3366 else 3367 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3368 td->td_ucred, td); 3369 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3370 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3371 fdrop(fp, td); 3372 return (error); 3373 3374 /* 3375 * XXX TODO - these need 32 -> 64 bit conversion: 3376 * (are any of them needed for webcams?) 3377 */ 3378 case LINUX_VIDIOC_G_FBUF: 3379 case LINUX_VIDIOC_S_FBUF: 3380 3381 case LINUX_VIDIOC_G_EXT_CTRLS: 3382 case LINUX_VIDIOC_S_EXT_CTRLS: 3383 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3384 3385 case LINUX_VIDIOC_DQEVENT: 3386 3387 default: return (ENOIOCTL); 3388 } 3389 3390 error = sys_ioctl(td, (struct ioctl_args *)args); 3391 return (error); 3392 } 3393 3394 /* 3395 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3396 * instead of USB* ones. This lets us to provide correct values for cmd. 3397 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3398 */ 3399 static int 3400 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3401 { 3402 int error; 3403 3404 error = 0; 3405 switch (args->cmd) { 3406 case FBSD_LUSB_DEVICEENUMERATE: 3407 args->cmd = USB_DEVICEENUMERATE; 3408 break; 3409 case FBSD_LUSB_DEV_QUIRK_ADD: 3410 args->cmd = USB_DEV_QUIRK_ADD; 3411 break; 3412 case FBSD_LUSB_DEV_QUIRK_GET: 3413 args->cmd = USB_DEV_QUIRK_GET; 3414 break; 3415 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3416 args->cmd = USB_DEV_QUIRK_REMOVE; 3417 break; 3418 case FBSD_LUSB_DO_REQUEST: 3419 args->cmd = USB_DO_REQUEST; 3420 break; 3421 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3422 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3423 break; 3424 case FBSD_LUSB_FS_CLOSE: 3425 args->cmd = USB_FS_CLOSE; 3426 break; 3427 case FBSD_LUSB_FS_COMPLETE: 3428 args->cmd = USB_FS_COMPLETE; 3429 break; 3430 case FBSD_LUSB_FS_INIT: 3431 args->cmd = USB_FS_INIT; 3432 break; 3433 case FBSD_LUSB_FS_OPEN: 3434 args->cmd = USB_FS_OPEN; 3435 break; 3436 case FBSD_LUSB_FS_START: 3437 args->cmd = USB_FS_START; 3438 break; 3439 case FBSD_LUSB_FS_STOP: 3440 args->cmd = USB_FS_STOP; 3441 break; 3442 case FBSD_LUSB_FS_UNINIT: 3443 args->cmd = USB_FS_UNINIT; 3444 break; 3445 case FBSD_LUSB_GET_CONFIG: 3446 args->cmd = USB_GET_CONFIG; 3447 break; 3448 case FBSD_LUSB_GET_DEVICEINFO: 3449 args->cmd = USB_GET_DEVICEINFO; 3450 break; 3451 case FBSD_LUSB_GET_DEVICE_DESC: 3452 args->cmd = USB_GET_DEVICE_DESC; 3453 break; 3454 case FBSD_LUSB_GET_FULL_DESC: 3455 args->cmd = USB_GET_FULL_DESC; 3456 break; 3457 case FBSD_LUSB_GET_IFACE_DRIVER: 3458 args->cmd = USB_GET_IFACE_DRIVER; 3459 break; 3460 case FBSD_LUSB_GET_PLUGTIME: 3461 args->cmd = USB_GET_PLUGTIME; 3462 break; 3463 case FBSD_LUSB_GET_POWER_MODE: 3464 args->cmd = USB_GET_POWER_MODE; 3465 break; 3466 case FBSD_LUSB_GET_REPORT_DESC: 3467 args->cmd = USB_GET_REPORT_DESC; 3468 break; 3469 case FBSD_LUSB_GET_REPORT_ID: 3470 args->cmd = USB_GET_REPORT_ID; 3471 break; 3472 case FBSD_LUSB_GET_TEMPLATE: 3473 args->cmd = USB_GET_TEMPLATE; 3474 break; 3475 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3476 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3477 break; 3478 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3479 args->cmd = USB_IFACE_DRIVER_DETACH; 3480 break; 3481 case FBSD_LUSB_QUIRK_NAME_GET: 3482 args->cmd = USB_QUIRK_NAME_GET; 3483 break; 3484 case FBSD_LUSB_READ_DIR: 3485 args->cmd = USB_READ_DIR; 3486 break; 3487 case FBSD_LUSB_SET_ALTINTERFACE: 3488 args->cmd = USB_SET_ALTINTERFACE; 3489 break; 3490 case FBSD_LUSB_SET_CONFIG: 3491 args->cmd = USB_SET_CONFIG; 3492 break; 3493 case FBSD_LUSB_SET_IMMED: 3494 args->cmd = USB_SET_IMMED; 3495 break; 3496 case FBSD_LUSB_SET_POWER_MODE: 3497 args->cmd = USB_SET_POWER_MODE; 3498 break; 3499 case FBSD_LUSB_SET_TEMPLATE: 3500 args->cmd = USB_SET_TEMPLATE; 3501 break; 3502 case FBSD_LUSB_FS_OPEN_STREAM: 3503 args->cmd = USB_FS_OPEN_STREAM; 3504 break; 3505 case FBSD_LUSB_GET_DEV_PORT_PATH: 3506 args->cmd = USB_GET_DEV_PORT_PATH; 3507 break; 3508 case FBSD_LUSB_GET_POWER_USAGE: 3509 args->cmd = USB_GET_POWER_USAGE; 3510 break; 3511 case FBSD_LUSB_DEVICESTATS: 3512 args->cmd = USB_DEVICESTATS; 3513 break; 3514 default: 3515 error = ENOIOCTL; 3516 } 3517 if (error != ENOIOCTL) 3518 error = sys_ioctl(td, (struct ioctl_args *)args); 3519 return (error); 3520 } 3521 3522 /* 3523 * Some evdev ioctls must be translated. 3524 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3525 * (must be IOC_INOUT on FreeBSD). 3526 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3527 * an int argument. You don't pass an int pointer to the ioctl(), however, 3528 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3529 * this to work. 3530 */ 3531 static int 3532 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3533 { 3534 struct file *fp; 3535 clockid_t clock; 3536 int error; 3537 3538 args->cmd = SETDIR(args->cmd); 3539 3540 switch (args->cmd) { 3541 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3542 args->cmd = EVIOCGRAB; 3543 break; 3544 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3545 args->cmd = EVIOCREVOKE; 3546 break; 3547 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3548 args->cmd = EVIOCRMFF; 3549 break; 3550 case EVIOCSCLOCKID: { 3551 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3552 if (error != 0) 3553 return (error); 3554 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3555 return (EINVAL); 3556 error = linux_to_native_clockid(&clock, clock); 3557 if (error != 0) 3558 return (error); 3559 3560 error = fget(td, args->fd, 3561 &cap_ioctl_rights, &fp); 3562 if (error != 0) 3563 return (error); 3564 3565 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3566 fdrop(fp, td); 3567 return (error); 3568 } 3569 default: 3570 break; 3571 } 3572 3573 if (IOCBASECMD(args->cmd) == 3574 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3575 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3576 3577 return (sys_ioctl(td, (struct ioctl_args *)args)); 3578 } 3579 3580 static int 3581 linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) 3582 { 3583 int error; 3584 3585 error = 0; 3586 switch (args->cmd & 0xffff) { 3587 case LINUX_KCOV_INIT_TRACE: 3588 args->cmd = KIOSETBUFSIZE; 3589 break; 3590 case LINUX_KCOV_ENABLE: 3591 args->cmd = KIOENABLE; 3592 if (args->arg == 0) 3593 args->arg = KCOV_MODE_TRACE_PC; 3594 else if (args->arg == 1) 3595 args->arg = KCOV_MODE_TRACE_CMP; 3596 else 3597 error = EINVAL; 3598 break; 3599 case LINUX_KCOV_DISABLE: 3600 args->cmd = KIODISABLE; 3601 break; 3602 default: 3603 error = ENOTTY; 3604 break; 3605 } 3606 3607 if (error == 0) 3608 error = sys_ioctl(td, (struct ioctl_args *)args); 3609 return (error); 3610 } 3611 3612 /* 3613 * main ioctl syscall function 3614 */ 3615 3616 static int 3617 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3618 { 3619 struct file *fp; 3620 struct linux_ioctl_handler_element *he; 3621 int error, cmd; 3622 3623 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3624 if (error != 0) 3625 return (error); 3626 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3627 fdrop(fp, td); 3628 return (EBADF); 3629 } 3630 3631 /* Iterate over the ioctl handlers */ 3632 cmd = args->cmd & 0xffff; 3633 sx_slock(&linux_ioctl_sx); 3634 mtx_lock(&Giant); 3635 #ifdef COMPAT_LINUX32 3636 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3637 if (cmd >= he->low && cmd <= he->high) { 3638 error = (*he->func)(td, args); 3639 if (error != ENOIOCTL) { 3640 mtx_unlock(&Giant); 3641 sx_sunlock(&linux_ioctl_sx); 3642 fdrop(fp, td); 3643 return (error); 3644 } 3645 } 3646 } 3647 #endif 3648 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3649 if (cmd >= he->low && cmd <= he->high) { 3650 error = (*he->func)(td, args); 3651 if (error != ENOIOCTL) { 3652 mtx_unlock(&Giant); 3653 sx_sunlock(&linux_ioctl_sx); 3654 fdrop(fp, td); 3655 return (error); 3656 } 3657 } 3658 } 3659 mtx_unlock(&Giant); 3660 sx_sunlock(&linux_ioctl_sx); 3661 fdrop(fp, td); 3662 3663 switch (args->cmd & 0xffff) { 3664 case LINUX_BTRFS_IOC_CLONE: 3665 case LINUX_FS_IOC_FIEMAP: 3666 return (ENOTSUP); 3667 3668 default: 3669 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3670 args->fd, (int)(args->cmd & 0xffff), 3671 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3672 break; 3673 } 3674 3675 return (EINVAL); 3676 } 3677 3678 int 3679 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3680 { 3681 struct linux_ioctl_handler *handler; 3682 int error, cmd, i; 3683 3684 cmd = args->cmd & 0xffff; 3685 3686 /* 3687 * array of ioctls known at compilation time. Elides a lot of work on 3688 * each call compared to the list variant. Everything frequently used 3689 * should be moved here. 3690 * 3691 * Arguably the magic creating the list should create an array instead. 3692 * 3693 * For now just a linear scan. 3694 */ 3695 for (i = 0; i < nitems(linux_ioctls); i++) { 3696 handler = &linux_ioctls[i]; 3697 if (cmd >= handler->low && cmd <= handler->high) { 3698 error = (*handler->func)(td, args); 3699 if (error != ENOIOCTL) { 3700 return (error); 3701 } 3702 } 3703 } 3704 return (linux_ioctl_fallback(td, args)); 3705 } 3706 3707 int 3708 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3709 { 3710 struct linux_ioctl_handler_element *he, *cur; 3711 3712 if (h == NULL || h->func == NULL) 3713 return (EINVAL); 3714 3715 /* 3716 * Reuse the element if the handler is already on the list, otherwise 3717 * create a new element. 3718 */ 3719 sx_xlock(&linux_ioctl_sx); 3720 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3721 if (he->func == h->func) 3722 break; 3723 } 3724 if (he == NULL) { 3725 he = malloc(sizeof(*he), 3726 M_LINUX, M_WAITOK); 3727 he->func = h->func; 3728 } else 3729 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3730 3731 /* Initialize range information. */ 3732 he->low = h->low; 3733 he->high = h->high; 3734 he->span = h->high - h->low + 1; 3735 3736 /* Add the element to the list, sorted on span. */ 3737 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3738 if (cur->span > he->span) { 3739 TAILQ_INSERT_BEFORE(cur, he, list); 3740 sx_xunlock(&linux_ioctl_sx); 3741 return (0); 3742 } 3743 } 3744 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3745 sx_xunlock(&linux_ioctl_sx); 3746 3747 return (0); 3748 } 3749 3750 int 3751 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3752 { 3753 struct linux_ioctl_handler_element *he; 3754 3755 if (h == NULL || h->func == NULL) 3756 return (EINVAL); 3757 3758 sx_xlock(&linux_ioctl_sx); 3759 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3760 if (he->func == h->func) { 3761 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3762 sx_xunlock(&linux_ioctl_sx); 3763 free(he, M_LINUX); 3764 return (0); 3765 } 3766 } 3767 sx_xunlock(&linux_ioctl_sx); 3768 3769 return (EINVAL); 3770 } 3771 3772 #ifdef COMPAT_LINUX32 3773 int 3774 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3775 { 3776 struct linux_ioctl_handler_element *he, *cur; 3777 3778 if (h == NULL || h->func == NULL) 3779 return (EINVAL); 3780 3781 /* 3782 * Reuse the element if the handler is already on the list, otherwise 3783 * create a new element. 3784 */ 3785 sx_xlock(&linux_ioctl_sx); 3786 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3787 if (he->func == h->func) 3788 break; 3789 } 3790 if (he == NULL) { 3791 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3792 he->func = h->func; 3793 } else 3794 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3795 3796 /* Initialize range information. */ 3797 he->low = h->low; 3798 he->high = h->high; 3799 he->span = h->high - h->low + 1; 3800 3801 /* Add the element to the list, sorted on span. */ 3802 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3803 if (cur->span > he->span) { 3804 TAILQ_INSERT_BEFORE(cur, he, list); 3805 sx_xunlock(&linux_ioctl_sx); 3806 return (0); 3807 } 3808 } 3809 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3810 sx_xunlock(&linux_ioctl_sx); 3811 3812 return (0); 3813 } 3814 3815 int 3816 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3817 { 3818 struct linux_ioctl_handler_element *he; 3819 3820 if (h == NULL || h->func == NULL) 3821 return (EINVAL); 3822 3823 sx_xlock(&linux_ioctl_sx); 3824 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3825 if (he->func == h->func) { 3826 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3827 sx_xunlock(&linux_ioctl_sx); 3828 free(he, M_LINUX); 3829 return (0); 3830 } 3831 } 3832 sx_xunlock(&linux_ioctl_sx); 3833 3834 return (EINVAL); 3835 } 3836 #endif 3837