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