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 case LINUX_TCGETS: 717 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 718 td); 719 if (error) 720 break; 721 bsd_to_linux_termios(&bios, &lios); 722 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 723 break; 724 725 case LINUX_TCSETS: 726 error = copyin((void *)args->arg, &lios, sizeof(lios)); 727 if (error) 728 break; 729 linux_to_bsd_termios(&lios, &bios); 730 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 731 td)); 732 break; 733 734 case LINUX_TCSETSW: 735 error = copyin((void *)args->arg, &lios, sizeof(lios)); 736 if (error) 737 break; 738 linux_to_bsd_termios(&lios, &bios); 739 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 740 td)); 741 break; 742 743 case LINUX_TCSETSF: 744 error = copyin((void *)args->arg, &lios, sizeof(lios)); 745 if (error) 746 break; 747 linux_to_bsd_termios(&lios, &bios); 748 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 749 td)); 750 break; 751 752 case LINUX_TCGETA: 753 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 754 td); 755 if (error) 756 break; 757 bsd_to_linux_termio(&bios, &lio); 758 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 759 break; 760 761 case LINUX_TCSETA: 762 error = copyin((void *)args->arg, &lio, sizeof(lio)); 763 if (error) 764 break; 765 linux_to_bsd_termio(&lio, &bios); 766 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 767 td)); 768 break; 769 770 case LINUX_TCSETAW: 771 error = copyin((void *)args->arg, &lio, sizeof(lio)); 772 if (error) 773 break; 774 linux_to_bsd_termio(&lio, &bios); 775 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 776 td)); 777 break; 778 779 case LINUX_TCSETAF: 780 error = copyin((void *)args->arg, &lio, sizeof(lio)); 781 if (error) 782 break; 783 linux_to_bsd_termio(&lio, &bios); 784 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 785 td)); 786 break; 787 788 /* LINUX_TCSBRK */ 789 790 case LINUX_TCXONC: { 791 switch (args->arg) { 792 case LINUX_TCOOFF: 793 args->cmd = TIOCSTOP; 794 break; 795 case LINUX_TCOON: 796 args->cmd = TIOCSTART; 797 break; 798 case LINUX_TCIOFF: 799 case LINUX_TCION: { 800 int c; 801 struct write_args wr; 802 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 803 td->td_ucred, td); 804 if (error) 805 break; 806 fdrop(fp, td); 807 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 808 c = bios.c_cc[c]; 809 if (c != _POSIX_VDISABLE) { 810 wr.fd = args->fd; 811 wr.buf = &c; 812 wr.nbyte = sizeof(c); 813 return (sys_write(td, &wr)); 814 } else 815 return (0); 816 } 817 default: 818 fdrop(fp, td); 819 return (EINVAL); 820 } 821 args->arg = 0; 822 error = (sys_ioctl(td, (struct ioctl_args *)args)); 823 break; 824 } 825 826 case LINUX_TCFLSH: { 827 int val; 828 switch (args->arg) { 829 case LINUX_TCIFLUSH: 830 val = FREAD; 831 break; 832 case LINUX_TCOFLUSH: 833 val = FWRITE; 834 break; 835 case LINUX_TCIOFLUSH: 836 val = FREAD | FWRITE; 837 break; 838 default: 839 fdrop(fp, td); 840 return (EINVAL); 841 } 842 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 843 break; 844 } 845 846 case LINUX_TIOCEXCL: 847 args->cmd = TIOCEXCL; 848 error = (sys_ioctl(td, (struct ioctl_args *)args)); 849 break; 850 851 case LINUX_TIOCNXCL: 852 args->cmd = TIOCNXCL; 853 error = (sys_ioctl(td, (struct ioctl_args *)args)); 854 break; 855 856 case LINUX_TIOCSCTTY: 857 args->cmd = TIOCSCTTY; 858 error = (sys_ioctl(td, (struct ioctl_args *)args)); 859 break; 860 861 case LINUX_TIOCGPGRP: 862 args->cmd = TIOCGPGRP; 863 error = (sys_ioctl(td, (struct ioctl_args *)args)); 864 break; 865 866 case LINUX_TIOCSPGRP: 867 args->cmd = TIOCSPGRP; 868 error = (sys_ioctl(td, (struct ioctl_args *)args)); 869 break; 870 871 /* LINUX_TIOCOUTQ */ 872 /* LINUX_TIOCSTI */ 873 874 case LINUX_TIOCGWINSZ: 875 args->cmd = TIOCGWINSZ; 876 error = (sys_ioctl(td, (struct ioctl_args *)args)); 877 break; 878 879 case LINUX_TIOCSWINSZ: 880 args->cmd = TIOCSWINSZ; 881 error = (sys_ioctl(td, (struct ioctl_args *)args)); 882 break; 883 884 case LINUX_TIOCMGET: 885 args->cmd = TIOCMGET; 886 error = (sys_ioctl(td, (struct ioctl_args *)args)); 887 break; 888 889 case LINUX_TIOCMBIS: 890 args->cmd = TIOCMBIS; 891 error = (sys_ioctl(td, (struct ioctl_args *)args)); 892 break; 893 894 case LINUX_TIOCMBIC: 895 args->cmd = TIOCMBIC; 896 error = (sys_ioctl(td, (struct ioctl_args *)args)); 897 break; 898 899 case LINUX_TIOCMSET: 900 args->cmd = TIOCMSET; 901 error = (sys_ioctl(td, (struct ioctl_args *)args)); 902 break; 903 904 /* TIOCGSOFTCAR */ 905 /* TIOCSSOFTCAR */ 906 907 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 908 args->cmd = FIONREAD; 909 error = (sys_ioctl(td, (struct ioctl_args *)args)); 910 break; 911 912 /* LINUX_TIOCLINUX */ 913 914 case LINUX_TIOCCONS: 915 args->cmd = TIOCCONS; 916 error = (sys_ioctl(td, (struct ioctl_args *)args)); 917 break; 918 919 case LINUX_TIOCGSERIAL: { 920 struct linux_serial_struct lss; 921 922 bzero(&lss, sizeof(lss)); 923 lss.type = LINUX_PORT_16550A; 924 lss.flags = 0; 925 lss.close_delay = 0; 926 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 927 break; 928 } 929 930 case LINUX_TIOCSSERIAL: { 931 struct linux_serial_struct lss; 932 error = copyin((void *)args->arg, &lss, sizeof(lss)); 933 if (error) 934 break; 935 /* XXX - It really helps to have an implementation that 936 * does nothing. NOT! 937 */ 938 error = 0; 939 break; 940 } 941 942 case LINUX_TIOCPKT: 943 args->cmd = TIOCPKT; 944 error = (sys_ioctl(td, (struct ioctl_args *)args)); 945 break; 946 947 case LINUX_FIONBIO: 948 args->cmd = FIONBIO; 949 error = (sys_ioctl(td, (struct ioctl_args *)args)); 950 break; 951 952 case LINUX_TIOCNOTTY: 953 args->cmd = TIOCNOTTY; 954 error = (sys_ioctl(td, (struct ioctl_args *)args)); 955 break; 956 957 case LINUX_TIOCSETD: { 958 int line; 959 switch (args->arg) { 960 case LINUX_N_TTY: 961 line = TTYDISC; 962 break; 963 case LINUX_N_SLIP: 964 line = SLIPDISC; 965 break; 966 case LINUX_N_PPP: 967 line = PPPDISC; 968 break; 969 default: 970 fdrop(fp, td); 971 return (EINVAL); 972 } 973 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 974 td)); 975 break; 976 } 977 978 case LINUX_TIOCGETD: { 979 int linux_line; 980 int bsd_line = TTYDISC; 981 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 982 td->td_ucred, td); 983 if (error) 984 break; 985 switch (bsd_line) { 986 case TTYDISC: 987 linux_line = LINUX_N_TTY; 988 break; 989 case SLIPDISC: 990 linux_line = LINUX_N_SLIP; 991 break; 992 case PPPDISC: 993 linux_line = LINUX_N_PPP; 994 break; 995 default: 996 fdrop(fp, td); 997 return (EINVAL); 998 } 999 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 1000 break; 1001 } 1002 1003 /* LINUX_TCSBRKP */ 1004 /* LINUX_TIOCTTYGSTRUCT */ 1005 1006 case LINUX_FIONCLEX: 1007 args->cmd = FIONCLEX; 1008 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1009 break; 1010 1011 case LINUX_FIOCLEX: 1012 args->cmd = FIOCLEX; 1013 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1014 break; 1015 1016 case LINUX_FIOASYNC: 1017 args->cmd = FIOASYNC; 1018 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1019 break; 1020 1021 /* LINUX_TIOCSERCONFIG */ 1022 /* LINUX_TIOCSERGWILD */ 1023 /* LINUX_TIOCSERSWILD */ 1024 /* LINUX_TIOCGLCKTRMIOS */ 1025 /* LINUX_TIOCSLCKTRMIOS */ 1026 1027 case LINUX_TIOCSBRK: 1028 args->cmd = TIOCSBRK; 1029 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1030 break; 1031 1032 case LINUX_TIOCCBRK: 1033 args->cmd = TIOCCBRK; 1034 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1035 break; 1036 case LINUX_TIOCGPTN: { 1037 int nb; 1038 1039 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1040 if (!error) 1041 error = copyout(&nb, (void *)args->arg, 1042 sizeof(int)); 1043 break; 1044 } 1045 case LINUX_TIOCSPTLCK: 1046 /* Our unlockpt() does nothing. */ 1047 error = 0; 1048 break; 1049 default: 1050 error = ENOIOCTL; 1051 break; 1052 } 1053 1054 fdrop(fp, td); 1055 return (error); 1056 } 1057 1058 /* 1059 * CDROM related ioctls 1060 */ 1061 1062 struct linux_cdrom_msf 1063 { 1064 u_char cdmsf_min0; 1065 u_char cdmsf_sec0; 1066 u_char cdmsf_frame0; 1067 u_char cdmsf_min1; 1068 u_char cdmsf_sec1; 1069 u_char cdmsf_frame1; 1070 }; 1071 1072 struct linux_cdrom_tochdr 1073 { 1074 u_char cdth_trk0; 1075 u_char cdth_trk1; 1076 }; 1077 1078 union linux_cdrom_addr 1079 { 1080 struct { 1081 u_char minute; 1082 u_char second; 1083 u_char frame; 1084 } msf; 1085 int lba; 1086 }; 1087 1088 struct linux_cdrom_tocentry 1089 { 1090 u_char cdte_track; 1091 u_char cdte_adr:4; 1092 u_char cdte_ctrl:4; 1093 u_char cdte_format; 1094 union linux_cdrom_addr cdte_addr; 1095 u_char cdte_datamode; 1096 }; 1097 1098 struct linux_cdrom_subchnl 1099 { 1100 u_char cdsc_format; 1101 u_char cdsc_audiostatus; 1102 u_char cdsc_adr:4; 1103 u_char cdsc_ctrl:4; 1104 u_char cdsc_trk; 1105 u_char cdsc_ind; 1106 union linux_cdrom_addr cdsc_absaddr; 1107 union linux_cdrom_addr cdsc_reladdr; 1108 }; 1109 1110 struct l_cdrom_read_audio { 1111 union linux_cdrom_addr addr; 1112 u_char addr_format; 1113 l_int nframes; 1114 u_char *buf; 1115 }; 1116 1117 struct l_dvd_layer { 1118 u_char book_version:4; 1119 u_char book_type:4; 1120 u_char min_rate:4; 1121 u_char disc_size:4; 1122 u_char layer_type:4; 1123 u_char track_path:1; 1124 u_char nlayers:2; 1125 u_char track_density:4; 1126 u_char linear_density:4; 1127 u_char bca:1; 1128 u_int32_t start_sector; 1129 u_int32_t end_sector; 1130 u_int32_t end_sector_l0; 1131 }; 1132 1133 struct l_dvd_physical { 1134 u_char type; 1135 u_char layer_num; 1136 struct l_dvd_layer layer[4]; 1137 }; 1138 1139 struct l_dvd_copyright { 1140 u_char type; 1141 u_char layer_num; 1142 u_char cpst; 1143 u_char rmi; 1144 }; 1145 1146 struct l_dvd_disckey { 1147 u_char type; 1148 l_uint agid:2; 1149 u_char value[2048]; 1150 }; 1151 1152 struct l_dvd_bca { 1153 u_char type; 1154 l_int len; 1155 u_char value[188]; 1156 }; 1157 1158 struct l_dvd_manufact { 1159 u_char type; 1160 u_char layer_num; 1161 l_int len; 1162 u_char value[2048]; 1163 }; 1164 1165 typedef union { 1166 u_char type; 1167 struct l_dvd_physical physical; 1168 struct l_dvd_copyright copyright; 1169 struct l_dvd_disckey disckey; 1170 struct l_dvd_bca bca; 1171 struct l_dvd_manufact manufact; 1172 } l_dvd_struct; 1173 1174 typedef u_char l_dvd_key[5]; 1175 typedef u_char l_dvd_challenge[10]; 1176 1177 struct l_dvd_lu_send_agid { 1178 u_char type; 1179 l_uint agid:2; 1180 }; 1181 1182 struct l_dvd_host_send_challenge { 1183 u_char type; 1184 l_uint agid:2; 1185 l_dvd_challenge chal; 1186 }; 1187 1188 struct l_dvd_send_key { 1189 u_char type; 1190 l_uint agid:2; 1191 l_dvd_key key; 1192 }; 1193 1194 struct l_dvd_lu_send_challenge { 1195 u_char type; 1196 l_uint agid:2; 1197 l_dvd_challenge chal; 1198 }; 1199 1200 struct l_dvd_lu_send_title_key { 1201 u_char type; 1202 l_uint agid:2; 1203 l_dvd_key title_key; 1204 l_int lba; 1205 l_uint cpm:1; 1206 l_uint cp_sec:1; 1207 l_uint cgms:2; 1208 }; 1209 1210 struct l_dvd_lu_send_asf { 1211 u_char type; 1212 l_uint agid:2; 1213 l_uint asf:1; 1214 }; 1215 1216 struct l_dvd_host_send_rpcstate { 1217 u_char type; 1218 u_char pdrc; 1219 }; 1220 1221 struct l_dvd_lu_send_rpcstate { 1222 u_char type:2; 1223 u_char vra:3; 1224 u_char ucca:3; 1225 u_char region_mask; 1226 u_char rpc_scheme; 1227 }; 1228 1229 typedef union { 1230 u_char type; 1231 struct l_dvd_lu_send_agid lsa; 1232 struct l_dvd_host_send_challenge hsc; 1233 struct l_dvd_send_key lsk; 1234 struct l_dvd_lu_send_challenge lsc; 1235 struct l_dvd_send_key hsk; 1236 struct l_dvd_lu_send_title_key lstk; 1237 struct l_dvd_lu_send_asf lsasf; 1238 struct l_dvd_host_send_rpcstate hrpcs; 1239 struct l_dvd_lu_send_rpcstate lrpcs; 1240 } l_dvd_authinfo; 1241 1242 static void 1243 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1244 { 1245 if (af == CD_LBA_FORMAT) 1246 lp->lba = bp->lba; 1247 else { 1248 lp->msf.minute = bp->msf.minute; 1249 lp->msf.second = bp->msf.second; 1250 lp->msf.frame = bp->msf.frame; 1251 } 1252 } 1253 1254 static void 1255 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1256 { 1257 if (format == LINUX_CDROM_MSF) { 1258 addr->msf.frame = lba % 75; 1259 lba /= 75; 1260 lba += 2; 1261 addr->msf.second = lba % 60; 1262 addr->msf.minute = lba / 60; 1263 } else 1264 addr->lba = lba; 1265 } 1266 1267 static int 1268 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1269 { 1270 bp->format = lp->type; 1271 switch (bp->format) { 1272 case DVD_STRUCT_PHYSICAL: 1273 if (bp->layer_num >= 4) 1274 return (EINVAL); 1275 bp->layer_num = lp->physical.layer_num; 1276 break; 1277 case DVD_STRUCT_COPYRIGHT: 1278 bp->layer_num = lp->copyright.layer_num; 1279 break; 1280 case DVD_STRUCT_DISCKEY: 1281 bp->agid = lp->disckey.agid; 1282 break; 1283 case DVD_STRUCT_BCA: 1284 case DVD_STRUCT_MANUFACT: 1285 break; 1286 default: 1287 return (EINVAL); 1288 } 1289 return (0); 1290 } 1291 1292 static int 1293 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1294 { 1295 switch (bp->format) { 1296 case DVD_STRUCT_PHYSICAL: { 1297 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1298 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1299 memset(llp, 0, sizeof(*llp)); 1300 llp->book_version = blp->book_version; 1301 llp->book_type = blp->book_type; 1302 llp->min_rate = blp->max_rate; 1303 llp->disc_size = blp->disc_size; 1304 llp->layer_type = blp->layer_type; 1305 llp->track_path = blp->track_path; 1306 llp->nlayers = blp->nlayers; 1307 llp->track_density = blp->track_density; 1308 llp->linear_density = blp->linear_density; 1309 llp->bca = blp->bca; 1310 llp->start_sector = blp->start_sector; 1311 llp->end_sector = blp->end_sector; 1312 llp->end_sector_l0 = blp->end_sector_l0; 1313 break; 1314 } 1315 case DVD_STRUCT_COPYRIGHT: 1316 lp->copyright.cpst = bp->cpst; 1317 lp->copyright.rmi = bp->rmi; 1318 break; 1319 case DVD_STRUCT_DISCKEY: 1320 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1321 break; 1322 case DVD_STRUCT_BCA: 1323 lp->bca.len = bp->length; 1324 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1325 break; 1326 case DVD_STRUCT_MANUFACT: 1327 lp->manufact.len = bp->length; 1328 memcpy(lp->manufact.value, bp->data, 1329 sizeof(lp->manufact.value)); 1330 /* lp->manufact.layer_num is unused in Linux (redhat 7.0). */ 1331 break; 1332 default: 1333 return (EINVAL); 1334 } 1335 return (0); 1336 } 1337 1338 static int 1339 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1340 struct dvd_authinfo *bp) 1341 { 1342 switch (lp->type) { 1343 case LINUX_DVD_LU_SEND_AGID: 1344 *bcode = DVDIOCREPORTKEY; 1345 bp->format = DVD_REPORT_AGID; 1346 bp->agid = lp->lsa.agid; 1347 break; 1348 case LINUX_DVD_HOST_SEND_CHALLENGE: 1349 *bcode = DVDIOCSENDKEY; 1350 bp->format = DVD_SEND_CHALLENGE; 1351 bp->agid = lp->hsc.agid; 1352 memcpy(bp->keychal, lp->hsc.chal, 10); 1353 break; 1354 case LINUX_DVD_LU_SEND_KEY1: 1355 *bcode = DVDIOCREPORTKEY; 1356 bp->format = DVD_REPORT_KEY1; 1357 bp->agid = lp->lsk.agid; 1358 break; 1359 case LINUX_DVD_LU_SEND_CHALLENGE: 1360 *bcode = DVDIOCREPORTKEY; 1361 bp->format = DVD_REPORT_CHALLENGE; 1362 bp->agid = lp->lsc.agid; 1363 break; 1364 case LINUX_DVD_HOST_SEND_KEY2: 1365 *bcode = DVDIOCSENDKEY; 1366 bp->format = DVD_SEND_KEY2; 1367 bp->agid = lp->hsk.agid; 1368 memcpy(bp->keychal, lp->hsk.key, 5); 1369 break; 1370 case LINUX_DVD_LU_SEND_TITLE_KEY: 1371 *bcode = DVDIOCREPORTKEY; 1372 bp->format = DVD_REPORT_TITLE_KEY; 1373 bp->agid = lp->lstk.agid; 1374 bp->lba = lp->lstk.lba; 1375 break; 1376 case LINUX_DVD_LU_SEND_ASF: 1377 *bcode = DVDIOCREPORTKEY; 1378 bp->format = DVD_REPORT_ASF; 1379 bp->agid = lp->lsasf.agid; 1380 break; 1381 case LINUX_DVD_INVALIDATE_AGID: 1382 *bcode = DVDIOCREPORTKEY; 1383 bp->format = DVD_INVALIDATE_AGID; 1384 bp->agid = lp->lsa.agid; 1385 break; 1386 case LINUX_DVD_LU_SEND_RPC_STATE: 1387 *bcode = DVDIOCREPORTKEY; 1388 bp->format = DVD_REPORT_RPC; 1389 break; 1390 case LINUX_DVD_HOST_SEND_RPC_STATE: 1391 *bcode = DVDIOCSENDKEY; 1392 bp->format = DVD_SEND_RPC; 1393 bp->region = lp->hrpcs.pdrc; 1394 break; 1395 default: 1396 return (EINVAL); 1397 } 1398 return (0); 1399 } 1400 1401 static int 1402 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1403 { 1404 switch (lp->type) { 1405 case LINUX_DVD_LU_SEND_AGID: 1406 lp->lsa.agid = bp->agid; 1407 break; 1408 case LINUX_DVD_HOST_SEND_CHALLENGE: 1409 lp->type = LINUX_DVD_LU_SEND_KEY1; 1410 break; 1411 case LINUX_DVD_LU_SEND_KEY1: 1412 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1413 break; 1414 case LINUX_DVD_LU_SEND_CHALLENGE: 1415 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1416 break; 1417 case LINUX_DVD_HOST_SEND_KEY2: 1418 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1419 break; 1420 case LINUX_DVD_LU_SEND_TITLE_KEY: 1421 memcpy(lp->lstk.title_key, bp->keychal, 1422 sizeof(lp->lstk.title_key)); 1423 lp->lstk.cpm = bp->cpm; 1424 lp->lstk.cp_sec = bp->cp_sec; 1425 lp->lstk.cgms = bp->cgms; 1426 break; 1427 case LINUX_DVD_LU_SEND_ASF: 1428 lp->lsasf.asf = bp->asf; 1429 break; 1430 case LINUX_DVD_INVALIDATE_AGID: 1431 break; 1432 case LINUX_DVD_LU_SEND_RPC_STATE: 1433 lp->lrpcs.type = bp->reg_type; 1434 lp->lrpcs.vra = bp->vend_rsts; 1435 lp->lrpcs.ucca = bp->user_rsts; 1436 lp->lrpcs.region_mask = bp->region; 1437 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1438 break; 1439 case LINUX_DVD_HOST_SEND_RPC_STATE: 1440 break; 1441 default: 1442 return (EINVAL); 1443 } 1444 return (0); 1445 } 1446 1447 static int 1448 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1449 { 1450 struct file *fp; 1451 int error; 1452 1453 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1454 if (error != 0) 1455 return (error); 1456 switch (args->cmd & 0xffff) { 1457 case LINUX_CDROMPAUSE: 1458 args->cmd = CDIOCPAUSE; 1459 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1460 break; 1461 1462 case LINUX_CDROMRESUME: 1463 args->cmd = CDIOCRESUME; 1464 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1465 break; 1466 1467 case LINUX_CDROMPLAYMSF: 1468 args->cmd = CDIOCPLAYMSF; 1469 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1470 break; 1471 1472 case LINUX_CDROMPLAYTRKIND: 1473 args->cmd = CDIOCPLAYTRACKS; 1474 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1475 break; 1476 1477 case LINUX_CDROMREADTOCHDR: { 1478 struct ioc_toc_header th; 1479 struct linux_cdrom_tochdr lth; 1480 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1481 td->td_ucred, td); 1482 if (!error) { 1483 lth.cdth_trk0 = th.starting_track; 1484 lth.cdth_trk1 = th.ending_track; 1485 copyout(<h, (void *)args->arg, sizeof(lth)); 1486 } 1487 break; 1488 } 1489 1490 case LINUX_CDROMREADTOCENTRY: { 1491 struct linux_cdrom_tocentry lte; 1492 struct ioc_read_toc_single_entry irtse; 1493 1494 error = copyin((void *)args->arg, <e, sizeof(lte)); 1495 if (error) 1496 break; 1497 irtse.address_format = lte.cdte_format; 1498 irtse.track = lte.cdte_track; 1499 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1500 td->td_ucred, td); 1501 if (!error) { 1502 lte.cdte_ctrl = irtse.entry.control; 1503 lte.cdte_adr = irtse.entry.addr_type; 1504 bsd_to_linux_msf_lba(irtse.address_format, 1505 &irtse.entry.addr, <e.cdte_addr); 1506 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1507 } 1508 break; 1509 } 1510 1511 case LINUX_CDROMSTOP: 1512 args->cmd = CDIOCSTOP; 1513 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1514 break; 1515 1516 case LINUX_CDROMSTART: 1517 args->cmd = CDIOCSTART; 1518 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1519 break; 1520 1521 case LINUX_CDROMEJECT: 1522 args->cmd = CDIOCEJECT; 1523 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1524 break; 1525 1526 /* LINUX_CDROMVOLCTRL */ 1527 1528 case LINUX_CDROMSUBCHNL: { 1529 struct linux_cdrom_subchnl sc; 1530 struct ioc_read_subchannel bsdsc; 1531 struct cd_sub_channel_info bsdinfo; 1532 1533 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1534 if (error) 1535 break; 1536 1537 /* 1538 * Invoke the native ioctl and bounce the returned data through 1539 * the userspace buffer. This works because the Linux structure 1540 * is the same size as our structures for the subchannel header 1541 * and position data. 1542 */ 1543 bsdsc.address_format = CD_LBA_FORMAT; 1544 bsdsc.data_format = CD_CURRENT_POSITION; 1545 bsdsc.track = 0; 1546 bsdsc.data_len = sizeof(sc); 1547 bsdsc.data = (void *)args->arg; 1548 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL, (caddr_t)&bsdsc, 1549 td->td_ucred, td); 1550 if (error) 1551 break; 1552 error = copyin((void *)args->arg, &bsdinfo, sizeof(bsdinfo)); 1553 if (error) 1554 break; 1555 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1556 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1557 sc.cdsc_ctrl = bsdinfo.what.position.control; 1558 sc.cdsc_trk = bsdinfo.what.position.track_number; 1559 sc.cdsc_ind = bsdinfo.what.position.index_number; 1560 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1561 bsdinfo.what.position.absaddr.lba); 1562 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1563 bsdinfo.what.position.reladdr.lba); 1564 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1565 break; 1566 } 1567 1568 /* LINUX_CDROMREADMODE2 */ 1569 /* LINUX_CDROMREADMODE1 */ 1570 /* LINUX_CDROMREADAUDIO */ 1571 /* LINUX_CDROMEJECT_SW */ 1572 /* LINUX_CDROMMULTISESSION */ 1573 /* LINUX_CDROM_GET_UPC */ 1574 1575 case LINUX_CDROMRESET: 1576 args->cmd = CDIOCRESET; 1577 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1578 break; 1579 1580 /* LINUX_CDROMVOLREAD */ 1581 /* LINUX_CDROMREADRAW */ 1582 /* LINUX_CDROMREADCOOKED */ 1583 /* LINUX_CDROMSEEK */ 1584 /* LINUX_CDROMPLAYBLK */ 1585 /* LINUX_CDROMREADALL */ 1586 /* LINUX_CDROMCLOSETRAY */ 1587 /* LINUX_CDROMLOADFROMSLOT */ 1588 /* LINUX_CDROMGETSPINDOWN */ 1589 /* LINUX_CDROMSETSPINDOWN */ 1590 /* LINUX_CDROM_SET_OPTIONS */ 1591 /* LINUX_CDROM_CLEAR_OPTIONS */ 1592 /* LINUX_CDROM_SELECT_SPEED */ 1593 /* LINUX_CDROM_SELECT_DISC */ 1594 /* LINUX_CDROM_MEDIA_CHANGED */ 1595 /* LINUX_CDROM_DRIVE_STATUS */ 1596 /* LINUX_CDROM_DISC_STATUS */ 1597 /* LINUX_CDROM_CHANGER_NSLOTS */ 1598 /* LINUX_CDROM_LOCKDOOR */ 1599 /* LINUX_CDROM_DEBUG */ 1600 /* LINUX_CDROM_GET_CAPABILITY */ 1601 /* LINUX_CDROMAUDIOBUFSIZ */ 1602 1603 case LINUX_DVD_READ_STRUCT: { 1604 l_dvd_struct *lds; 1605 struct dvd_struct *bds; 1606 1607 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1608 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1609 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1610 if (error) 1611 goto out; 1612 error = linux_to_bsd_dvd_struct(lds, bds); 1613 if (error) 1614 goto out; 1615 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1616 td->td_ucred, td); 1617 if (error) 1618 goto out; 1619 error = bsd_to_linux_dvd_struct(bds, lds); 1620 if (error) 1621 goto out; 1622 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1623 out: 1624 free(bds, M_LINUX); 1625 free(lds, M_LINUX); 1626 break; 1627 } 1628 1629 /* LINUX_DVD_WRITE_STRUCT */ 1630 1631 case LINUX_DVD_AUTH: { 1632 l_dvd_authinfo lda; 1633 struct dvd_authinfo bda; 1634 int bcode; 1635 1636 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1637 if (error) 1638 break; 1639 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1640 if (error) 1641 break; 1642 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1643 td); 1644 if (error) { 1645 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1646 lda.type = LINUX_DVD_AUTH_FAILURE; 1647 copyout(&lda, (void *)args->arg, sizeof(lda)); 1648 } 1649 break; 1650 } 1651 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1652 if (error) 1653 break; 1654 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1655 break; 1656 } 1657 1658 case LINUX_SCSI_GET_BUS_NUMBER: 1659 { 1660 struct sg_scsi_id id; 1661 1662 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1663 td->td_ucred, td); 1664 if (error) 1665 break; 1666 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1667 break; 1668 } 1669 1670 case LINUX_SCSI_GET_IDLUN: 1671 { 1672 struct sg_scsi_id id; 1673 struct scsi_idlun idl; 1674 1675 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1676 td->td_ucred, td); 1677 if (error) 1678 break; 1679 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1680 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1681 idl.host_unique_id = id.host_no; 1682 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1683 break; 1684 } 1685 1686 /* LINUX_CDROM_SEND_PACKET */ 1687 /* LINUX_CDROM_NEXT_WRITABLE */ 1688 /* LINUX_CDROM_LAST_WRITTEN */ 1689 1690 default: 1691 error = ENOIOCTL; 1692 break; 1693 } 1694 1695 fdrop(fp, td); 1696 return (error); 1697 } 1698 1699 static int 1700 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1701 { 1702 1703 return (ENOTTY); 1704 } 1705 1706 /* 1707 * Sound related ioctls 1708 */ 1709 1710 struct linux_old_mixer_info { 1711 char id[16]; 1712 char name[32]; 1713 }; 1714 1715 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1716 1717 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1718 1719 static int 1720 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1721 { 1722 1723 switch (args->cmd & 0xffff) { 1724 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1725 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1726 return (sys_ioctl(td, (struct ioctl_args *)args)); 1727 1728 case LINUX_SOUND_MIXER_WRITE_BASS: 1729 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1730 return (sys_ioctl(td, (struct ioctl_args *)args)); 1731 1732 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1733 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1734 return (sys_ioctl(td, (struct ioctl_args *)args)); 1735 1736 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1737 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1738 return (sys_ioctl(td, (struct ioctl_args *)args)); 1739 1740 case LINUX_SOUND_MIXER_WRITE_PCM: 1741 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1742 return (sys_ioctl(td, (struct ioctl_args *)args)); 1743 1744 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1745 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1746 return (sys_ioctl(td, (struct ioctl_args *)args)); 1747 1748 case LINUX_SOUND_MIXER_WRITE_LINE: 1749 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1750 return (sys_ioctl(td, (struct ioctl_args *)args)); 1751 1752 case LINUX_SOUND_MIXER_WRITE_MIC: 1753 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1754 return (sys_ioctl(td, (struct ioctl_args *)args)); 1755 1756 case LINUX_SOUND_MIXER_WRITE_CD: 1757 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1758 return (sys_ioctl(td, (struct ioctl_args *)args)); 1759 1760 case LINUX_SOUND_MIXER_WRITE_IMIX: 1761 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1762 return (sys_ioctl(td, (struct ioctl_args *)args)); 1763 1764 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1765 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1766 return (sys_ioctl(td, (struct ioctl_args *)args)); 1767 1768 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1769 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1770 return (sys_ioctl(td, (struct ioctl_args *)args)); 1771 1772 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1773 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1774 return (sys_ioctl(td, (struct ioctl_args *)args)); 1775 1776 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1777 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1778 return (sys_ioctl(td, (struct ioctl_args *)args)); 1779 1780 case LINUX_SOUND_MIXER_WRITE_LINE1: 1781 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1782 return (sys_ioctl(td, (struct ioctl_args *)args)); 1783 1784 case LINUX_SOUND_MIXER_WRITE_LINE2: 1785 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1786 return (sys_ioctl(td, (struct ioctl_args *)args)); 1787 1788 case LINUX_SOUND_MIXER_WRITE_LINE3: 1789 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1790 return (sys_ioctl(td, (struct ioctl_args *)args)); 1791 1792 case LINUX_SOUND_MIXER_INFO: { 1793 /* Key on encoded length */ 1794 switch ((args->cmd >> 16) & 0x1fff) { 1795 case 0x005c: { /* SOUND_MIXER_INFO */ 1796 args->cmd = SOUND_MIXER_INFO; 1797 return (sys_ioctl(td, (struct ioctl_args *)args)); 1798 } 1799 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1800 struct linux_old_mixer_info info; 1801 bzero(&info, sizeof(info)); 1802 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1803 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1804 copyout(&info, (void *)args->arg, sizeof(info)); 1805 return (0); 1806 } 1807 default: 1808 return (ENOIOCTL); 1809 } 1810 break; 1811 } 1812 1813 case LINUX_OSS_GETVERSION: { 1814 int version = linux_get_oss_version(td); 1815 return (copyout(&version, (void *)args->arg, sizeof(int))); 1816 } 1817 1818 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1819 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1820 return (sys_ioctl(td, (struct ioctl_args *)args)); 1821 1822 case LINUX_SOUND_MIXER_READ_CAPS: 1823 args->cmd = SOUND_MIXER_READ_CAPS; 1824 return (sys_ioctl(td, (struct ioctl_args *)args)); 1825 1826 case LINUX_SOUND_MIXER_READ_RECMASK: 1827 args->cmd = SOUND_MIXER_READ_RECMASK; 1828 return (sys_ioctl(td, (struct ioctl_args *)args)); 1829 1830 case LINUX_SOUND_MIXER_READ_DEVMASK: 1831 args->cmd = SOUND_MIXER_READ_DEVMASK; 1832 return (sys_ioctl(td, (struct ioctl_args *)args)); 1833 1834 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1835 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1836 return (sys_ioctl(td, (struct ioctl_args *)args)); 1837 1838 case LINUX_SNDCTL_DSP_RESET: 1839 args->cmd = SNDCTL_DSP_RESET; 1840 return (sys_ioctl(td, (struct ioctl_args *)args)); 1841 1842 case LINUX_SNDCTL_DSP_SYNC: 1843 args->cmd = SNDCTL_DSP_SYNC; 1844 return (sys_ioctl(td, (struct ioctl_args *)args)); 1845 1846 case LINUX_SNDCTL_DSP_SPEED: 1847 args->cmd = SNDCTL_DSP_SPEED; 1848 return (sys_ioctl(td, (struct ioctl_args *)args)); 1849 1850 case LINUX_SNDCTL_DSP_STEREO: 1851 args->cmd = SNDCTL_DSP_STEREO; 1852 return (sys_ioctl(td, (struct ioctl_args *)args)); 1853 1854 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1855 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1856 return (sys_ioctl(td, (struct ioctl_args *)args)); 1857 1858 case LINUX_SNDCTL_DSP_SETFMT: 1859 args->cmd = SNDCTL_DSP_SETFMT; 1860 return (sys_ioctl(td, (struct ioctl_args *)args)); 1861 1862 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1863 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1864 return (sys_ioctl(td, (struct ioctl_args *)args)); 1865 1866 case LINUX_SOUND_PCM_WRITE_FILTER: 1867 args->cmd = SOUND_PCM_WRITE_FILTER; 1868 return (sys_ioctl(td, (struct ioctl_args *)args)); 1869 1870 case LINUX_SNDCTL_DSP_POST: 1871 args->cmd = SNDCTL_DSP_POST; 1872 return (sys_ioctl(td, (struct ioctl_args *)args)); 1873 1874 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1875 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1876 return (sys_ioctl(td, (struct ioctl_args *)args)); 1877 1878 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1879 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1880 return (sys_ioctl(td, (struct ioctl_args *)args)); 1881 1882 case LINUX_SNDCTL_DSP_GETFMTS: 1883 args->cmd = SNDCTL_DSP_GETFMTS; 1884 return (sys_ioctl(td, (struct ioctl_args *)args)); 1885 1886 case LINUX_SNDCTL_DSP_GETOSPACE: 1887 args->cmd = SNDCTL_DSP_GETOSPACE; 1888 return (sys_ioctl(td, (struct ioctl_args *)args)); 1889 1890 case LINUX_SNDCTL_DSP_GETISPACE: 1891 args->cmd = SNDCTL_DSP_GETISPACE; 1892 return (sys_ioctl(td, (struct ioctl_args *)args)); 1893 1894 case LINUX_SNDCTL_DSP_NONBLOCK: 1895 args->cmd = SNDCTL_DSP_NONBLOCK; 1896 return (sys_ioctl(td, (struct ioctl_args *)args)); 1897 1898 case LINUX_SNDCTL_DSP_GETCAPS: 1899 args->cmd = SNDCTL_DSP_GETCAPS; 1900 return (sys_ioctl(td, (struct ioctl_args *)args)); 1901 1902 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1903 args->cmd = SNDCTL_DSP_SETTRIGGER; 1904 return (sys_ioctl(td, (struct ioctl_args *)args)); 1905 1906 case LINUX_SNDCTL_DSP_GETIPTR: 1907 args->cmd = SNDCTL_DSP_GETIPTR; 1908 return (sys_ioctl(td, (struct ioctl_args *)args)); 1909 1910 case LINUX_SNDCTL_DSP_GETOPTR: 1911 args->cmd = SNDCTL_DSP_GETOPTR; 1912 return (sys_ioctl(td, (struct ioctl_args *)args)); 1913 1914 case LINUX_SNDCTL_DSP_SETDUPLEX: 1915 args->cmd = SNDCTL_DSP_SETDUPLEX; 1916 return (sys_ioctl(td, (struct ioctl_args *)args)); 1917 1918 case LINUX_SNDCTL_DSP_GETODELAY: 1919 args->cmd = SNDCTL_DSP_GETODELAY; 1920 return (sys_ioctl(td, (struct ioctl_args *)args)); 1921 1922 case LINUX_SNDCTL_SEQ_RESET: 1923 args->cmd = SNDCTL_SEQ_RESET; 1924 return (sys_ioctl(td, (struct ioctl_args *)args)); 1925 1926 case LINUX_SNDCTL_SEQ_SYNC: 1927 args->cmd = SNDCTL_SEQ_SYNC; 1928 return (sys_ioctl(td, (struct ioctl_args *)args)); 1929 1930 case LINUX_SNDCTL_SYNTH_INFO: 1931 args->cmd = SNDCTL_SYNTH_INFO; 1932 return (sys_ioctl(td, (struct ioctl_args *)args)); 1933 1934 case LINUX_SNDCTL_SEQ_CTRLRATE: 1935 args->cmd = SNDCTL_SEQ_CTRLRATE; 1936 return (sys_ioctl(td, (struct ioctl_args *)args)); 1937 1938 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1939 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1940 return (sys_ioctl(td, (struct ioctl_args *)args)); 1941 1942 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1943 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1944 return (sys_ioctl(td, (struct ioctl_args *)args)); 1945 1946 case LINUX_SNDCTL_SEQ_PERCMODE: 1947 args->cmd = SNDCTL_SEQ_PERCMODE; 1948 return (sys_ioctl(td, (struct ioctl_args *)args)); 1949 1950 case LINUX_SNDCTL_FM_LOAD_INSTR: 1951 args->cmd = SNDCTL_FM_LOAD_INSTR; 1952 return (sys_ioctl(td, (struct ioctl_args *)args)); 1953 1954 case LINUX_SNDCTL_SEQ_TESTMIDI: 1955 args->cmd = SNDCTL_SEQ_TESTMIDI; 1956 return (sys_ioctl(td, (struct ioctl_args *)args)); 1957 1958 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1959 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1960 return (sys_ioctl(td, (struct ioctl_args *)args)); 1961 1962 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1963 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1964 return (sys_ioctl(td, (struct ioctl_args *)args)); 1965 1966 case LINUX_SNDCTL_SEQ_NRMIDIS: 1967 args->cmd = SNDCTL_SEQ_NRMIDIS; 1968 return (sys_ioctl(td, (struct ioctl_args *)args)); 1969 1970 case LINUX_SNDCTL_MIDI_INFO: 1971 args->cmd = SNDCTL_MIDI_INFO; 1972 return (sys_ioctl(td, (struct ioctl_args *)args)); 1973 1974 case LINUX_SNDCTL_SEQ_TRESHOLD: 1975 args->cmd = SNDCTL_SEQ_TRESHOLD; 1976 return (sys_ioctl(td, (struct ioctl_args *)args)); 1977 1978 case LINUX_SNDCTL_SYNTH_MEMAVL: 1979 args->cmd = SNDCTL_SYNTH_MEMAVL; 1980 return (sys_ioctl(td, (struct ioctl_args *)args)); 1981 } 1982 1983 return (ENOIOCTL); 1984 } 1985 1986 /* 1987 * Console related ioctls 1988 */ 1989 1990 static int 1991 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1992 { 1993 struct file *fp; 1994 int error; 1995 1996 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 1997 if (error != 0) 1998 return (error); 1999 switch (args->cmd & 0xffff) { 2000 case LINUX_KIOCSOUND: 2001 args->cmd = KIOCSOUND; 2002 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2003 break; 2004 2005 case LINUX_KDMKTONE: 2006 args->cmd = KDMKTONE; 2007 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2008 break; 2009 2010 case LINUX_KDGETLED: 2011 args->cmd = KDGETLED; 2012 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2013 break; 2014 2015 case LINUX_KDSETLED: 2016 args->cmd = KDSETLED; 2017 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2018 break; 2019 2020 case LINUX_KDSETMODE: 2021 args->cmd = KDSETMODE; 2022 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2023 break; 2024 2025 case LINUX_KDGETMODE: 2026 args->cmd = KDGETMODE; 2027 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2028 break; 2029 2030 case LINUX_KDGKBMODE: 2031 args->cmd = KDGKBMODE; 2032 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2033 break; 2034 2035 case LINUX_KDSKBMODE: { 2036 int kbdmode; 2037 switch (args->arg) { 2038 case LINUX_KBD_RAW: 2039 kbdmode = K_RAW; 2040 break; 2041 case LINUX_KBD_XLATE: 2042 kbdmode = K_XLATE; 2043 break; 2044 case LINUX_KBD_MEDIUMRAW: 2045 kbdmode = K_RAW; 2046 break; 2047 default: 2048 fdrop(fp, td); 2049 return (EINVAL); 2050 } 2051 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2052 td->td_ucred, td)); 2053 break; 2054 } 2055 2056 case LINUX_VT_OPENQRY: 2057 args->cmd = VT_OPENQRY; 2058 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2059 break; 2060 2061 case LINUX_VT_GETMODE: 2062 args->cmd = VT_GETMODE; 2063 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2064 break; 2065 2066 case LINUX_VT_SETMODE: { 2067 struct vt_mode mode; 2068 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2069 break; 2070 if (LINUX_SIG_VALID(mode.relsig)) 2071 mode.relsig = linux_to_bsd_signal(mode.relsig); 2072 else 2073 mode.relsig = 0; 2074 if (LINUX_SIG_VALID(mode.acqsig)) 2075 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2076 else 2077 mode.acqsig = 0; 2078 /* XXX. Linux ignores frsig and set it to 0. */ 2079 mode.frsig = 0; 2080 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2081 break; 2082 args->cmd = VT_SETMODE; 2083 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2084 break; 2085 } 2086 2087 case LINUX_VT_GETSTATE: 2088 args->cmd = VT_GETACTIVE; 2089 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2090 break; 2091 2092 case LINUX_VT_RELDISP: 2093 args->cmd = VT_RELDISP; 2094 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2095 break; 2096 2097 case LINUX_VT_ACTIVATE: 2098 args->cmd = VT_ACTIVATE; 2099 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2100 break; 2101 2102 case LINUX_VT_WAITACTIVE: 2103 args->cmd = VT_WAITACTIVE; 2104 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2105 break; 2106 2107 default: 2108 error = ENOIOCTL; 2109 break; 2110 } 2111 2112 fdrop(fp, td); 2113 return (error); 2114 } 2115 2116 /* 2117 * Implement the SIOCGIFNAME ioctl 2118 */ 2119 2120 static int 2121 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2122 { 2123 struct l_ifreq ifr; 2124 struct ifnet *ifp; 2125 int error, ethno, index; 2126 2127 error = copyin(uifr, &ifr, sizeof(ifr)); 2128 if (error != 0) 2129 return (error); 2130 2131 CURVNET_SET(TD_TO_VNET(curthread)); 2132 IFNET_RLOCK(); 2133 index = 1; /* ifr.ifr_ifindex starts from 1 */ 2134 ethno = 0; 2135 error = ENODEV; 2136 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2137 if (ifr.ifr_ifindex == index) { 2138 if (IFP_IS_ETH(ifp)) 2139 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, 2140 "eth%d", ethno); 2141 else 2142 strlcpy(ifr.ifr_name, ifp->if_xname, 2143 LINUX_IFNAMSIZ); 2144 error = 0; 2145 break; 2146 } 2147 if (IFP_IS_ETH(ifp)) 2148 ethno++; 2149 index++; 2150 } 2151 IFNET_RUNLOCK(); 2152 if (error == 0) 2153 error = copyout(&ifr, uifr, sizeof(ifr)); 2154 CURVNET_RESTORE(); 2155 2156 return (error); 2157 } 2158 2159 /* 2160 * Implement the SIOCGIFCONF ioctl 2161 */ 2162 2163 static int 2164 linux_ifconf(struct thread *td, struct ifconf *uifc) 2165 { 2166 #ifdef COMPAT_LINUX32 2167 struct l_ifconf ifc; 2168 #else 2169 struct ifconf ifc; 2170 #endif 2171 struct l_ifreq ifr; 2172 struct ifnet *ifp; 2173 struct ifaddr *ifa; 2174 struct sbuf *sb; 2175 int error, ethno, full = 0, valid_len, max_len; 2176 2177 error = copyin(uifc, &ifc, sizeof(ifc)); 2178 if (error != 0) 2179 return (error); 2180 2181 max_len = MAXPHYS - 1; 2182 2183 CURVNET_SET(TD_TO_VNET(td)); 2184 /* handle the 'request buffer size' case */ 2185 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2186 ifc.ifc_len = 0; 2187 IFNET_RLOCK(); 2188 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2189 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2190 struct sockaddr *sa = ifa->ifa_addr; 2191 if (sa->sa_family == AF_INET) 2192 ifc.ifc_len += sizeof(ifr); 2193 } 2194 } 2195 IFNET_RUNLOCK(); 2196 error = copyout(&ifc, uifc, sizeof(ifc)); 2197 CURVNET_RESTORE(); 2198 return (error); 2199 } 2200 2201 if (ifc.ifc_len <= 0) { 2202 CURVNET_RESTORE(); 2203 return (EINVAL); 2204 } 2205 2206 again: 2207 /* Keep track of eth interfaces */ 2208 ethno = 0; 2209 if (ifc.ifc_len <= max_len) { 2210 max_len = ifc.ifc_len; 2211 full = 1; 2212 } 2213 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2214 max_len = 0; 2215 valid_len = 0; 2216 2217 /* Return all AF_INET addresses of all interfaces */ 2218 IFNET_RLOCK(); 2219 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2220 int addrs = 0; 2221 2222 bzero(&ifr, sizeof(ifr)); 2223 if (IFP_IS_ETH(ifp)) 2224 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2225 ethno++); 2226 else 2227 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2228 2229 /* Walk the address list */ 2230 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2231 struct sockaddr *sa = ifa->ifa_addr; 2232 2233 if (sa->sa_family == AF_INET) { 2234 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2235 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2236 sizeof(ifr.ifr_addr.sa_data)); 2237 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2238 max_len += sizeof(ifr); 2239 addrs++; 2240 } 2241 2242 if (sbuf_error(sb) == 0) 2243 valid_len = sbuf_len(sb); 2244 } 2245 if (addrs == 0) { 2246 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2247 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2248 max_len += sizeof(ifr); 2249 2250 if (sbuf_error(sb) == 0) 2251 valid_len = sbuf_len(sb); 2252 } 2253 } 2254 IFNET_RUNLOCK(); 2255 2256 if (valid_len != max_len && !full) { 2257 sbuf_delete(sb); 2258 goto again; 2259 } 2260 2261 ifc.ifc_len = valid_len; 2262 sbuf_finish(sb); 2263 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2264 if (error == 0) 2265 error = copyout(&ifc, uifc, sizeof(ifc)); 2266 sbuf_delete(sb); 2267 CURVNET_RESTORE(); 2268 2269 return (error); 2270 } 2271 2272 static int 2273 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2274 { 2275 l_short flags; 2276 2277 linux_ifflags(ifp, &flags); 2278 2279 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2280 } 2281 2282 static int 2283 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2284 { 2285 struct l_sockaddr lsa; 2286 2287 if (linux_ifhwaddr(ifp, &lsa) != 0) 2288 return (ENOENT); 2289 2290 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2291 } 2292 2293 /* 2294 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2295 * the native ioctl(). Thus, we don't really need to check the return 2296 * value of this function. 2297 */ 2298 static int 2299 bsd_to_linux_ifreq(struct ifreq *arg) 2300 { 2301 struct ifreq ifr; 2302 size_t ifr_len = sizeof(struct ifreq); 2303 int error; 2304 2305 if ((error = copyin(arg, &ifr, ifr_len))) 2306 return (error); 2307 2308 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2309 2310 error = copyout(&ifr, arg, ifr_len); 2311 2312 return (error); 2313 } 2314 2315 /* 2316 * Socket related ioctls 2317 */ 2318 2319 static int 2320 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2321 { 2322 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2323 struct ifnet *ifp; 2324 struct file *fp; 2325 int error, type; 2326 2327 ifp = NULL; 2328 error = 0; 2329 2330 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2331 if (error != 0) 2332 return (error); 2333 type = fp->f_type; 2334 fdrop(fp, td); 2335 if (type != DTYPE_SOCKET) { 2336 /* not a socket - probably a tap / vmnet device */ 2337 switch (args->cmd) { 2338 case LINUX_SIOCGIFADDR: 2339 case LINUX_SIOCSIFADDR: 2340 case LINUX_SIOCGIFFLAGS: 2341 return (linux_ioctl_special(td, args)); 2342 default: 2343 return (ENOIOCTL); 2344 } 2345 } 2346 2347 switch (args->cmd & 0xffff) { 2348 case LINUX_FIOGETOWN: 2349 case LINUX_FIOSETOWN: 2350 case LINUX_SIOCADDMULTI: 2351 case LINUX_SIOCATMARK: 2352 case LINUX_SIOCDELMULTI: 2353 case LINUX_SIOCGIFNAME: 2354 case LINUX_SIOCGIFCONF: 2355 case LINUX_SIOCGPGRP: 2356 case LINUX_SIOCSPGRP: 2357 case LINUX_SIOCGIFCOUNT: 2358 /* these ioctls don't take an interface name */ 2359 break; 2360 2361 case LINUX_SIOCGIFFLAGS: 2362 case LINUX_SIOCGIFADDR: 2363 case LINUX_SIOCSIFADDR: 2364 case LINUX_SIOCGIFDSTADDR: 2365 case LINUX_SIOCGIFBRDADDR: 2366 case LINUX_SIOCGIFNETMASK: 2367 case LINUX_SIOCSIFNETMASK: 2368 case LINUX_SIOCGIFMTU: 2369 case LINUX_SIOCSIFMTU: 2370 case LINUX_SIOCSIFNAME: 2371 case LINUX_SIOCGIFHWADDR: 2372 case LINUX_SIOCSIFHWADDR: 2373 case LINUX_SIOCDEVPRIVATE: 2374 case LINUX_SIOCDEVPRIVATE+1: 2375 case LINUX_SIOCGIFINDEX: 2376 /* copy in the interface name and translate it. */ 2377 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2378 if (error != 0) 2379 return (error); 2380 memset(ifname, 0, sizeof(ifname)); 2381 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2382 if (ifp == NULL) 2383 return (EINVAL); 2384 /* 2385 * We need to copy it back out in case we pass the 2386 * request on to our native ioctl(), which will expect 2387 * the ifreq to be in user space and have the correct 2388 * interface name. 2389 */ 2390 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2391 if (error != 0) 2392 return (error); 2393 break; 2394 2395 default: 2396 return (ENOIOCTL); 2397 } 2398 2399 switch (args->cmd & 0xffff) { 2400 case LINUX_FIOSETOWN: 2401 args->cmd = FIOSETOWN; 2402 error = sys_ioctl(td, (struct ioctl_args *)args); 2403 break; 2404 2405 case LINUX_SIOCSPGRP: 2406 args->cmd = SIOCSPGRP; 2407 error = sys_ioctl(td, (struct ioctl_args *)args); 2408 break; 2409 2410 case LINUX_FIOGETOWN: 2411 args->cmd = FIOGETOWN; 2412 error = sys_ioctl(td, (struct ioctl_args *)args); 2413 break; 2414 2415 case LINUX_SIOCGPGRP: 2416 args->cmd = SIOCGPGRP; 2417 error = sys_ioctl(td, (struct ioctl_args *)args); 2418 break; 2419 2420 case LINUX_SIOCATMARK: 2421 args->cmd = SIOCATMARK; 2422 error = sys_ioctl(td, (struct ioctl_args *)args); 2423 break; 2424 2425 /* LINUX_SIOCGSTAMP */ 2426 2427 case LINUX_SIOCGIFNAME: 2428 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2429 break; 2430 2431 case LINUX_SIOCGIFCONF: 2432 error = linux_ifconf(td, (struct ifconf *)args->arg); 2433 break; 2434 2435 case LINUX_SIOCGIFFLAGS: 2436 args->cmd = SIOCGIFFLAGS; 2437 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2438 break; 2439 2440 case LINUX_SIOCGIFADDR: 2441 args->cmd = SIOCGIFADDR; 2442 error = sys_ioctl(td, (struct ioctl_args *)args); 2443 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2444 break; 2445 2446 case LINUX_SIOCSIFADDR: 2447 /* XXX probably doesn't work, included for completeness */ 2448 args->cmd = SIOCSIFADDR; 2449 error = sys_ioctl(td, (struct ioctl_args *)args); 2450 break; 2451 2452 case LINUX_SIOCGIFDSTADDR: 2453 args->cmd = SIOCGIFDSTADDR; 2454 error = sys_ioctl(td, (struct ioctl_args *)args); 2455 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2456 break; 2457 2458 case LINUX_SIOCGIFBRDADDR: 2459 args->cmd = SIOCGIFBRDADDR; 2460 error = sys_ioctl(td, (struct ioctl_args *)args); 2461 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2462 break; 2463 2464 case LINUX_SIOCGIFNETMASK: 2465 args->cmd = SIOCGIFNETMASK; 2466 error = sys_ioctl(td, (struct ioctl_args *)args); 2467 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2468 break; 2469 2470 case LINUX_SIOCSIFNETMASK: 2471 error = ENOIOCTL; 2472 break; 2473 2474 case LINUX_SIOCGIFMTU: 2475 args->cmd = SIOCGIFMTU; 2476 error = sys_ioctl(td, (struct ioctl_args *)args); 2477 break; 2478 2479 case LINUX_SIOCSIFMTU: 2480 args->cmd = SIOCSIFMTU; 2481 error = sys_ioctl(td, (struct ioctl_args *)args); 2482 break; 2483 2484 case LINUX_SIOCSIFNAME: 2485 error = ENOIOCTL; 2486 break; 2487 2488 case LINUX_SIOCGIFHWADDR: 2489 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2490 break; 2491 2492 case LINUX_SIOCSIFHWADDR: 2493 error = ENOIOCTL; 2494 break; 2495 2496 case LINUX_SIOCADDMULTI: 2497 args->cmd = SIOCADDMULTI; 2498 error = sys_ioctl(td, (struct ioctl_args *)args); 2499 break; 2500 2501 case LINUX_SIOCDELMULTI: 2502 args->cmd = SIOCDELMULTI; 2503 error = sys_ioctl(td, (struct ioctl_args *)args); 2504 break; 2505 2506 case LINUX_SIOCGIFINDEX: 2507 args->cmd = SIOCGIFINDEX; 2508 error = sys_ioctl(td, (struct ioctl_args *)args); 2509 break; 2510 2511 case LINUX_SIOCGIFCOUNT: 2512 error = 0; 2513 break; 2514 2515 /* 2516 * XXX This is slightly bogus, but these ioctls are currently 2517 * XXX only used by the aironet (if_an) network driver. 2518 */ 2519 case LINUX_SIOCDEVPRIVATE: 2520 args->cmd = SIOCGPRIVATE_0; 2521 error = sys_ioctl(td, (struct ioctl_args *)args); 2522 break; 2523 2524 case LINUX_SIOCDEVPRIVATE+1: 2525 args->cmd = SIOCGPRIVATE_1; 2526 error = sys_ioctl(td, (struct ioctl_args *)args); 2527 break; 2528 } 2529 2530 if (ifp != NULL) 2531 /* restore the original interface name */ 2532 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2533 2534 return (error); 2535 } 2536 2537 /* 2538 * Device private ioctl handler 2539 */ 2540 static int 2541 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2542 { 2543 struct file *fp; 2544 int error, type; 2545 2546 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2547 if (error != 0) 2548 return (error); 2549 type = fp->f_type; 2550 fdrop(fp, td); 2551 if (type == DTYPE_SOCKET) 2552 return (linux_ioctl_socket(td, args)); 2553 return (ENOIOCTL); 2554 } 2555 2556 /* 2557 * DRM ioctl handler (sys/dev/drm) 2558 */ 2559 static int 2560 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2561 { 2562 args->cmd = SETDIR(args->cmd); 2563 return (sys_ioctl(td, (struct ioctl_args *)args)); 2564 } 2565 2566 #ifdef COMPAT_LINUX32 2567 static int 2568 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2569 { 2570 struct sg_io_hdr io; 2571 struct sg_io_hdr32 io32; 2572 struct file *fp; 2573 int error; 2574 2575 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 2576 if (error != 0) { 2577 printf("sg_linux_ioctl: fget returned %d\n", error); 2578 return (error); 2579 } 2580 2581 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2582 goto out; 2583 2584 CP(io32, io, interface_id); 2585 CP(io32, io, dxfer_direction); 2586 CP(io32, io, cmd_len); 2587 CP(io32, io, mx_sb_len); 2588 CP(io32, io, iovec_count); 2589 CP(io32, io, dxfer_len); 2590 PTRIN_CP(io32, io, dxferp); 2591 PTRIN_CP(io32, io, cmdp); 2592 PTRIN_CP(io32, io, sbp); 2593 CP(io32, io, timeout); 2594 CP(io32, io, flags); 2595 CP(io32, io, pack_id); 2596 PTRIN_CP(io32, io, usr_ptr); 2597 CP(io32, io, status); 2598 CP(io32, io, masked_status); 2599 CP(io32, io, msg_status); 2600 CP(io32, io, sb_len_wr); 2601 CP(io32, io, host_status); 2602 CP(io32, io, driver_status); 2603 CP(io32, io, resid); 2604 CP(io32, io, duration); 2605 CP(io32, io, info); 2606 2607 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2608 goto out; 2609 2610 CP(io, io32, interface_id); 2611 CP(io, io32, dxfer_direction); 2612 CP(io, io32, cmd_len); 2613 CP(io, io32, mx_sb_len); 2614 CP(io, io32, iovec_count); 2615 CP(io, io32, dxfer_len); 2616 PTROUT_CP(io, io32, dxferp); 2617 PTROUT_CP(io, io32, cmdp); 2618 PTROUT_CP(io, io32, sbp); 2619 CP(io, io32, timeout); 2620 CP(io, io32, flags); 2621 CP(io, io32, pack_id); 2622 PTROUT_CP(io, io32, usr_ptr); 2623 CP(io, io32, status); 2624 CP(io, io32, masked_status); 2625 CP(io, io32, msg_status); 2626 CP(io, io32, sb_len_wr); 2627 CP(io, io32, host_status); 2628 CP(io, io32, driver_status); 2629 CP(io, io32, resid); 2630 CP(io, io32, duration); 2631 CP(io, io32, info); 2632 2633 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2634 2635 out: 2636 fdrop(fp, td); 2637 return (error); 2638 } 2639 #endif 2640 2641 static int 2642 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2643 { 2644 2645 switch (args->cmd) { 2646 case LINUX_SG_GET_VERSION_NUM: 2647 args->cmd = SG_GET_VERSION_NUM; 2648 break; 2649 case LINUX_SG_SET_TIMEOUT: 2650 args->cmd = SG_SET_TIMEOUT; 2651 break; 2652 case LINUX_SG_GET_TIMEOUT: 2653 args->cmd = SG_GET_TIMEOUT; 2654 break; 2655 case LINUX_SG_IO: 2656 args->cmd = SG_IO; 2657 #ifdef COMPAT_LINUX32 2658 return (linux_ioctl_sg_io(td, args)); 2659 #endif 2660 break; 2661 case LINUX_SG_GET_RESERVED_SIZE: 2662 args->cmd = SG_GET_RESERVED_SIZE; 2663 break; 2664 case LINUX_SG_GET_SCSI_ID: 2665 args->cmd = SG_GET_SCSI_ID; 2666 break; 2667 case LINUX_SG_GET_SG_TABLESIZE: 2668 args->cmd = SG_GET_SG_TABLESIZE; 2669 break; 2670 default: 2671 return (ENODEV); 2672 } 2673 return (sys_ioctl(td, (struct ioctl_args *)args)); 2674 } 2675 2676 /* 2677 * Video4Linux (V4L) ioctl handler 2678 */ 2679 static int 2680 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2681 { 2682 vt->tuner = lvt->tuner; 2683 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2684 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2685 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2686 vt->flags = lvt->flags; 2687 vt->mode = lvt->mode; 2688 vt->signal = lvt->signal; 2689 return (0); 2690 } 2691 2692 static int 2693 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2694 { 2695 lvt->tuner = vt->tuner; 2696 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2697 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2698 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2699 lvt->flags = vt->flags; 2700 lvt->mode = vt->mode; 2701 lvt->signal = vt->signal; 2702 return (0); 2703 } 2704 2705 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2706 static int 2707 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2708 { 2709 vc->x = lvc->x; 2710 vc->y = lvc->y; 2711 vc->width = lvc->width; 2712 vc->height = lvc->height; 2713 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2714 return (0); 2715 } 2716 #endif 2717 2718 static int 2719 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2720 { 2721 vw->x = lvw->x; 2722 vw->y = lvw->y; 2723 vw->width = lvw->width; 2724 vw->height = lvw->height; 2725 vw->chromakey = lvw->chromakey; 2726 vw->flags = lvw->flags; 2727 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2728 vw->clipcount = lvw->clipcount; 2729 return (0); 2730 } 2731 2732 static int 2733 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2734 { 2735 memset(lvw, 0, sizeof(*lvw)); 2736 2737 lvw->x = vw->x; 2738 lvw->y = vw->y; 2739 lvw->width = vw->width; 2740 lvw->height = vw->height; 2741 lvw->chromakey = vw->chromakey; 2742 lvw->flags = vw->flags; 2743 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2744 lvw->clipcount = vw->clipcount; 2745 return (0); 2746 } 2747 2748 static int 2749 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2750 { 2751 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2752 vb->height = lvb->height; 2753 vb->width = lvb->width; 2754 vb->depth = lvb->depth; 2755 vb->bytesperline = lvb->bytesperline; 2756 return (0); 2757 } 2758 2759 static int 2760 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2761 { 2762 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2763 lvb->height = vb->height; 2764 lvb->width = vb->width; 2765 lvb->depth = vb->depth; 2766 lvb->bytesperline = vb->bytesperline; 2767 return (0); 2768 } 2769 2770 static int 2771 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2772 { 2773 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2774 vc->datasize = lvc->datasize; 2775 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2776 return (0); 2777 } 2778 2779 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2780 static int 2781 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2782 { 2783 int error; 2784 struct video_clip vclip; 2785 struct l_video_clip l_vclip; 2786 2787 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2788 if (error) return (error); 2789 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2790 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2791 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2792 return (ENOMEM); /* XXX: Linux has no ENOMEM here. */ 2793 memcpy(*ppvc, &vclip, sizeof(vclip)); 2794 (*ppvc)->next = NULL; 2795 return (0); 2796 } 2797 2798 static int 2799 linux_v4l_cliplist_free(struct video_window *vw) 2800 { 2801 struct video_clip **ppvc; 2802 struct video_clip **ppvc_next; 2803 2804 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2805 ppvc_next = &((*ppvc)->next); 2806 free(*ppvc, M_LINUX); 2807 } 2808 vw->clips = NULL; 2809 2810 return (0); 2811 } 2812 2813 static int 2814 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2815 { 2816 int error; 2817 int clipcount; 2818 void *plvc; 2819 struct video_clip **ppvc; 2820 2821 /* 2822 * XXX: The cliplist is used to pass in a list of clipping 2823 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2824 * clipping bitmap. Some Linux apps, however, appear to 2825 * leave cliplist and clips uninitialized. In any case, 2826 * the cliplist is not used by pwc(4), at the time of 2827 * writing, FreeBSD's only V4L driver. When a driver 2828 * that uses the cliplist is developed, this code may 2829 * need re-examiniation. 2830 */ 2831 error = 0; 2832 clipcount = vw->clipcount; 2833 if (clipcount == VIDEO_CLIP_BITMAP) { 2834 /* 2835 * In this case, the pointer (clips) is overloaded 2836 * to be a "void *" to a bitmap, therefore there 2837 * is no struct video_clip to copy now. 2838 */ 2839 } else if (clipcount > 0 && clipcount <= 16384) { 2840 /* 2841 * Clips points to list of clip rectangles, so 2842 * copy the list. 2843 * 2844 * XXX: Upper limit of 16384 was used here to try to 2845 * avoid cases when clipcount and clips pointer 2846 * are uninitialized and therefore have high random 2847 * values, as is the case in the Linux Skype 2848 * application. The value 16384 was chosen as that 2849 * is what is used in the Linux stradis(4) MPEG 2850 * decoder driver, the only place we found an 2851 * example of cliplist use. 2852 */ 2853 plvc = PTRIN(lvw->clips); 2854 vw->clips = NULL; 2855 ppvc = &(vw->clips); 2856 while (clipcount-- > 0) { 2857 if (plvc == NULL) { 2858 error = EFAULT; 2859 break; 2860 } else { 2861 error = linux_v4l_clip_copy(plvc, ppvc); 2862 if (error) { 2863 linux_v4l_cliplist_free(vw); 2864 break; 2865 } 2866 } 2867 ppvc = &((*ppvc)->next); 2868 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2869 } 2870 } else { 2871 /* 2872 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2873 * Force cliplist to null. 2874 */ 2875 vw->clipcount = 0; 2876 vw->clips = NULL; 2877 } 2878 return (error); 2879 } 2880 #endif 2881 2882 static int 2883 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2884 { 2885 struct file *fp; 2886 int error; 2887 struct video_tuner vtun; 2888 struct video_window vwin; 2889 struct video_buffer vbuf; 2890 struct video_code vcode; 2891 struct l_video_tuner l_vtun; 2892 struct l_video_window l_vwin; 2893 struct l_video_buffer l_vbuf; 2894 struct l_video_code l_vcode; 2895 2896 switch (args->cmd & 0xffff) { 2897 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2898 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2899 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2900 2901 case LINUX_VIDIOCGTUNER: 2902 error = fget(td, args->fd, 2903 &cap_ioctl_rights, &fp); 2904 if (error != 0) 2905 return (error); 2906 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2907 if (error) { 2908 fdrop(fp, td); 2909 return (error); 2910 } 2911 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2912 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2913 if (!error) { 2914 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2915 error = copyout(&l_vtun, (void *) args->arg, 2916 sizeof(l_vtun)); 2917 } 2918 fdrop(fp, td); 2919 return (error); 2920 2921 case LINUX_VIDIOCSTUNER: 2922 error = fget(td, args->fd, 2923 &cap_ioctl_rights, &fp); 2924 if (error != 0) 2925 return (error); 2926 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2927 if (error) { 2928 fdrop(fp, td); 2929 return (error); 2930 } 2931 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2932 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2933 fdrop(fp, td); 2934 return (error); 2935 2936 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2937 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2938 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2939 2940 case LINUX_VIDIOCGWIN: 2941 error = fget(td, args->fd, 2942 &cap_ioctl_rights, &fp); 2943 if (error != 0) 2944 return (error); 2945 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2946 if (!error) { 2947 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2948 error = copyout(&l_vwin, (void *) args->arg, 2949 sizeof(l_vwin)); 2950 } 2951 fdrop(fp, td); 2952 return (error); 2953 2954 case LINUX_VIDIOCSWIN: 2955 error = fget(td, args->fd, 2956 &cap_ioctl_rights, &fp); 2957 if (error != 0) 2958 return (error); 2959 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2960 if (error) { 2961 fdrop(fp, td); 2962 return (error); 2963 } 2964 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2965 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2966 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2967 if (error) { 2968 fdrop(fp, td); 2969 return (error); 2970 } 2971 #endif 2972 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2973 fdrop(fp, td); 2974 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2975 linux_v4l_cliplist_free(&vwin); 2976 #endif 2977 return (error); 2978 2979 case LINUX_VIDIOCGFBUF: 2980 error = fget(td, args->fd, 2981 &cap_ioctl_rights, &fp); 2982 if (error != 0) 2983 return (error); 2984 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2985 if (!error) { 2986 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2987 error = copyout(&l_vbuf, (void *) args->arg, 2988 sizeof(l_vbuf)); 2989 } 2990 fdrop(fp, td); 2991 return (error); 2992 2993 case LINUX_VIDIOCSFBUF: 2994 error = fget(td, args->fd, 2995 &cap_ioctl_rights, &fp); 2996 if (error != 0) 2997 return (error); 2998 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2999 if (error) { 3000 fdrop(fp, td); 3001 return (error); 3002 } 3003 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3004 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3005 fdrop(fp, td); 3006 return (error); 3007 3008 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3009 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3010 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3011 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3012 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3013 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3014 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3015 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3016 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3017 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3018 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3019 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3020 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3021 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3022 3023 case LINUX_VIDIOCSMICROCODE: 3024 error = fget(td, args->fd, 3025 &cap_ioctl_rights, &fp); 3026 if (error != 0) 3027 return (error); 3028 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3029 if (error) { 3030 fdrop(fp, td); 3031 return (error); 3032 } 3033 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3034 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3035 fdrop(fp, td); 3036 return (error); 3037 3038 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3039 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3040 default: return (ENOIOCTL); 3041 } 3042 3043 error = sys_ioctl(td, (struct ioctl_args *)args); 3044 return (error); 3045 } 3046 3047 /* 3048 * Special ioctl handler 3049 */ 3050 static int 3051 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3052 { 3053 int error; 3054 3055 switch (args->cmd) { 3056 case LINUX_SIOCGIFADDR: 3057 args->cmd = SIOCGIFADDR; 3058 error = sys_ioctl(td, (struct ioctl_args *)args); 3059 break; 3060 case LINUX_SIOCSIFADDR: 3061 args->cmd = SIOCSIFADDR; 3062 error = sys_ioctl(td, (struct ioctl_args *)args); 3063 break; 3064 case LINUX_SIOCGIFFLAGS: 3065 args->cmd = SIOCGIFFLAGS; 3066 error = sys_ioctl(td, (struct ioctl_args *)args); 3067 break; 3068 default: 3069 error = ENOIOCTL; 3070 } 3071 3072 return (error); 3073 } 3074 3075 static int 3076 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3077 { 3078 vstd->index = lvstd->index; 3079 vstd->id = lvstd->id; 3080 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3081 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3082 vstd->frameperiod = lvstd->frameperiod; 3083 vstd->framelines = lvstd->framelines; 3084 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3085 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3086 return (0); 3087 } 3088 3089 static int 3090 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3091 { 3092 lvstd->index = vstd->index; 3093 lvstd->id = vstd->id; 3094 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3095 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3096 lvstd->frameperiod = vstd->frameperiod; 3097 lvstd->framelines = vstd->framelines; 3098 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3099 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3100 return (0); 3101 } 3102 3103 static int 3104 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3105 { 3106 vb->index = lvb->index; 3107 vb->type = lvb->type; 3108 vb->bytesused = lvb->bytesused; 3109 vb->flags = lvb->flags; 3110 vb->field = lvb->field; 3111 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3112 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3113 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3114 vb->sequence = lvb->sequence; 3115 vb->memory = lvb->memory; 3116 if (lvb->memory == V4L2_MEMORY_USERPTR) 3117 /* possible pointer size conversion */ 3118 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3119 else 3120 vb->m.offset = lvb->m.offset; 3121 vb->length = lvb->length; 3122 vb->input = lvb->input; 3123 vb->reserved = lvb->reserved; 3124 return (0); 3125 } 3126 3127 static int 3128 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3129 { 3130 lvb->index = vb->index; 3131 lvb->type = vb->type; 3132 lvb->bytesused = vb->bytesused; 3133 lvb->flags = vb->flags; 3134 lvb->field = vb->field; 3135 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3136 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3137 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3138 lvb->sequence = vb->sequence; 3139 lvb->memory = vb->memory; 3140 if (vb->memory == V4L2_MEMORY_USERPTR) 3141 /* possible pointer size conversion */ 3142 lvb->m.userptr = PTROUT(vb->m.userptr); 3143 else 3144 lvb->m.offset = vb->m.offset; 3145 lvb->length = vb->length; 3146 lvb->input = vb->input; 3147 lvb->reserved = vb->reserved; 3148 return (0); 3149 } 3150 3151 static int 3152 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3153 { 3154 vf->type = lvf->type; 3155 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3156 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3157 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3158 #endif 3159 ) 3160 /* 3161 * XXX TODO - needs 32 -> 64 bit conversion: 3162 * (unused by webcams?) 3163 */ 3164 return (EINVAL); 3165 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3166 return (0); 3167 } 3168 3169 static int 3170 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3171 { 3172 lvf->type = vf->type; 3173 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3174 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3175 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3176 #endif 3177 ) 3178 /* 3179 * XXX TODO - needs 32 -> 64 bit conversion: 3180 * (unused by webcams?) 3181 */ 3182 return (EINVAL); 3183 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3184 return (0); 3185 } 3186 static int 3187 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3188 { 3189 struct file *fp; 3190 int error; 3191 struct v4l2_format vformat; 3192 struct l_v4l2_format l_vformat; 3193 struct v4l2_standard vstd; 3194 struct l_v4l2_standard l_vstd; 3195 struct l_v4l2_buffer l_vbuf; 3196 struct v4l2_buffer vbuf; 3197 struct v4l2_input vinp; 3198 3199 switch (args->cmd & 0xffff) { 3200 case LINUX_VIDIOC_RESERVED: 3201 case LINUX_VIDIOC_LOG_STATUS: 3202 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3203 return (ENOIOCTL); 3204 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3205 break; 3206 3207 case LINUX_VIDIOC_OVERLAY: 3208 case LINUX_VIDIOC_STREAMON: 3209 case LINUX_VIDIOC_STREAMOFF: 3210 case LINUX_VIDIOC_S_STD: 3211 case LINUX_VIDIOC_S_TUNER: 3212 case LINUX_VIDIOC_S_AUDIO: 3213 case LINUX_VIDIOC_S_AUDOUT: 3214 case LINUX_VIDIOC_S_MODULATOR: 3215 case LINUX_VIDIOC_S_FREQUENCY: 3216 case LINUX_VIDIOC_S_CROP: 3217 case LINUX_VIDIOC_S_JPEGCOMP: 3218 case LINUX_VIDIOC_S_PRIORITY: 3219 case LINUX_VIDIOC_DBG_S_REGISTER: 3220 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3221 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3222 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3223 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3224 break; 3225 3226 case LINUX_VIDIOC_QUERYCAP: 3227 case LINUX_VIDIOC_G_STD: 3228 case LINUX_VIDIOC_G_AUDIO: 3229 case LINUX_VIDIOC_G_INPUT: 3230 case LINUX_VIDIOC_G_OUTPUT: 3231 case LINUX_VIDIOC_G_AUDOUT: 3232 case LINUX_VIDIOC_G_JPEGCOMP: 3233 case LINUX_VIDIOC_QUERYSTD: 3234 case LINUX_VIDIOC_G_PRIORITY: 3235 case LINUX_VIDIOC_QUERY_DV_PRESET: 3236 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3237 break; 3238 3239 case LINUX_VIDIOC_ENUM_FMT: 3240 case LINUX_VIDIOC_REQBUFS: 3241 case LINUX_VIDIOC_G_PARM: 3242 case LINUX_VIDIOC_S_PARM: 3243 case LINUX_VIDIOC_G_CTRL: 3244 case LINUX_VIDIOC_S_CTRL: 3245 case LINUX_VIDIOC_G_TUNER: 3246 case LINUX_VIDIOC_QUERYCTRL: 3247 case LINUX_VIDIOC_QUERYMENU: 3248 case LINUX_VIDIOC_S_INPUT: 3249 case LINUX_VIDIOC_S_OUTPUT: 3250 case LINUX_VIDIOC_ENUMOUTPUT: 3251 case LINUX_VIDIOC_G_MODULATOR: 3252 case LINUX_VIDIOC_G_FREQUENCY: 3253 case LINUX_VIDIOC_CROPCAP: 3254 case LINUX_VIDIOC_G_CROP: 3255 case LINUX_VIDIOC_ENUMAUDIO: 3256 case LINUX_VIDIOC_ENUMAUDOUT: 3257 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3258 #ifdef VIDIOC_ENUM_FRAMESIZES 3259 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3260 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3261 case LINUX_VIDIOC_ENCODER_CMD: 3262 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3263 #endif 3264 case LINUX_VIDIOC_DBG_G_REGISTER: 3265 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3266 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3267 case LINUX_VIDIOC_S_DV_PRESET: 3268 case LINUX_VIDIOC_G_DV_PRESET: 3269 case LINUX_VIDIOC_S_DV_TIMINGS: 3270 case LINUX_VIDIOC_G_DV_TIMINGS: 3271 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3272 break; 3273 3274 case LINUX_VIDIOC_G_FMT: 3275 case LINUX_VIDIOC_S_FMT: 3276 case LINUX_VIDIOC_TRY_FMT: 3277 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3278 if (error) 3279 return (error); 3280 error = fget(td, args->fd, 3281 &cap_ioctl_rights, &fp); 3282 if (error) 3283 return (error); 3284 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3285 error = EINVAL; 3286 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3287 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3288 td->td_ucred, td); 3289 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3290 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3291 td->td_ucred, td); 3292 else 3293 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3294 td->td_ucred, td); 3295 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3296 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3297 fdrop(fp, td); 3298 return (error); 3299 3300 case LINUX_VIDIOC_ENUMSTD: 3301 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3302 if (error) 3303 return (error); 3304 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3305 error = fget(td, args->fd, 3306 &cap_ioctl_rights, &fp); 3307 if (error) 3308 return (error); 3309 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3310 td->td_ucred, td); 3311 if (error) { 3312 fdrop(fp, td); 3313 return (error); 3314 } 3315 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3316 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3317 fdrop(fp, td); 3318 return (error); 3319 3320 case LINUX_VIDIOC_ENUMINPUT: 3321 /* 3322 * The Linux struct l_v4l2_input differs only in size, 3323 * it has no padding at the end. 3324 */ 3325 error = copyin((void *)args->arg, &vinp, 3326 sizeof(struct l_v4l2_input)); 3327 if (error != 0) 3328 return (error); 3329 error = fget(td, args->fd, 3330 &cap_ioctl_rights, &fp); 3331 if (error != 0) 3332 return (error); 3333 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3334 td->td_ucred, td); 3335 if (error) { 3336 fdrop(fp, td); 3337 return (error); 3338 } 3339 error = copyout(&vinp, (void *)args->arg, 3340 sizeof(struct l_v4l2_input)); 3341 fdrop(fp, td); 3342 return (error); 3343 3344 case LINUX_VIDIOC_QUERYBUF: 3345 case LINUX_VIDIOC_QBUF: 3346 case LINUX_VIDIOC_DQBUF: 3347 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3348 if (error) 3349 return (error); 3350 error = fget(td, args->fd, 3351 &cap_ioctl_rights, &fp); 3352 if (error) 3353 return (error); 3354 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3355 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3356 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3357 td->td_ucred, td); 3358 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3359 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3360 td->td_ucred, td); 3361 else 3362 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3363 td->td_ucred, td); 3364 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3365 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3366 fdrop(fp, td); 3367 return (error); 3368 3369 /* 3370 * XXX TODO - these need 32 -> 64 bit conversion: 3371 * (are any of them needed for webcams?) 3372 */ 3373 case LINUX_VIDIOC_G_FBUF: 3374 case LINUX_VIDIOC_S_FBUF: 3375 3376 case LINUX_VIDIOC_G_EXT_CTRLS: 3377 case LINUX_VIDIOC_S_EXT_CTRLS: 3378 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3379 3380 case LINUX_VIDIOC_DQEVENT: 3381 3382 default: return (ENOIOCTL); 3383 } 3384 3385 error = sys_ioctl(td, (struct ioctl_args *)args); 3386 return (error); 3387 } 3388 3389 /* 3390 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3391 * instead of USB* ones. This lets us to provide correct values for cmd. 3392 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3393 */ 3394 static int 3395 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3396 { 3397 int error; 3398 3399 error = 0; 3400 switch (args->cmd) { 3401 case FBSD_LUSB_DEVICEENUMERATE: 3402 args->cmd = USB_DEVICEENUMERATE; 3403 break; 3404 case FBSD_LUSB_DEV_QUIRK_ADD: 3405 args->cmd = USB_DEV_QUIRK_ADD; 3406 break; 3407 case FBSD_LUSB_DEV_QUIRK_GET: 3408 args->cmd = USB_DEV_QUIRK_GET; 3409 break; 3410 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3411 args->cmd = USB_DEV_QUIRK_REMOVE; 3412 break; 3413 case FBSD_LUSB_DO_REQUEST: 3414 args->cmd = USB_DO_REQUEST; 3415 break; 3416 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3417 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3418 break; 3419 case FBSD_LUSB_FS_CLOSE: 3420 args->cmd = USB_FS_CLOSE; 3421 break; 3422 case FBSD_LUSB_FS_COMPLETE: 3423 args->cmd = USB_FS_COMPLETE; 3424 break; 3425 case FBSD_LUSB_FS_INIT: 3426 args->cmd = USB_FS_INIT; 3427 break; 3428 case FBSD_LUSB_FS_OPEN: 3429 args->cmd = USB_FS_OPEN; 3430 break; 3431 case FBSD_LUSB_FS_START: 3432 args->cmd = USB_FS_START; 3433 break; 3434 case FBSD_LUSB_FS_STOP: 3435 args->cmd = USB_FS_STOP; 3436 break; 3437 case FBSD_LUSB_FS_UNINIT: 3438 args->cmd = USB_FS_UNINIT; 3439 break; 3440 case FBSD_LUSB_GET_CONFIG: 3441 args->cmd = USB_GET_CONFIG; 3442 break; 3443 case FBSD_LUSB_GET_DEVICEINFO: 3444 args->cmd = USB_GET_DEVICEINFO; 3445 break; 3446 case FBSD_LUSB_GET_DEVICE_DESC: 3447 args->cmd = USB_GET_DEVICE_DESC; 3448 break; 3449 case FBSD_LUSB_GET_FULL_DESC: 3450 args->cmd = USB_GET_FULL_DESC; 3451 break; 3452 case FBSD_LUSB_GET_IFACE_DRIVER: 3453 args->cmd = USB_GET_IFACE_DRIVER; 3454 break; 3455 case FBSD_LUSB_GET_PLUGTIME: 3456 args->cmd = USB_GET_PLUGTIME; 3457 break; 3458 case FBSD_LUSB_GET_POWER_MODE: 3459 args->cmd = USB_GET_POWER_MODE; 3460 break; 3461 case FBSD_LUSB_GET_REPORT_DESC: 3462 args->cmd = USB_GET_REPORT_DESC; 3463 break; 3464 case FBSD_LUSB_GET_REPORT_ID: 3465 args->cmd = USB_GET_REPORT_ID; 3466 break; 3467 case FBSD_LUSB_GET_TEMPLATE: 3468 args->cmd = USB_GET_TEMPLATE; 3469 break; 3470 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3471 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3472 break; 3473 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3474 args->cmd = USB_IFACE_DRIVER_DETACH; 3475 break; 3476 case FBSD_LUSB_QUIRK_NAME_GET: 3477 args->cmd = USB_QUIRK_NAME_GET; 3478 break; 3479 case FBSD_LUSB_READ_DIR: 3480 args->cmd = USB_READ_DIR; 3481 break; 3482 case FBSD_LUSB_SET_ALTINTERFACE: 3483 args->cmd = USB_SET_ALTINTERFACE; 3484 break; 3485 case FBSD_LUSB_SET_CONFIG: 3486 args->cmd = USB_SET_CONFIG; 3487 break; 3488 case FBSD_LUSB_SET_IMMED: 3489 args->cmd = USB_SET_IMMED; 3490 break; 3491 case FBSD_LUSB_SET_POWER_MODE: 3492 args->cmd = USB_SET_POWER_MODE; 3493 break; 3494 case FBSD_LUSB_SET_TEMPLATE: 3495 args->cmd = USB_SET_TEMPLATE; 3496 break; 3497 case FBSD_LUSB_FS_OPEN_STREAM: 3498 args->cmd = USB_FS_OPEN_STREAM; 3499 break; 3500 case FBSD_LUSB_GET_DEV_PORT_PATH: 3501 args->cmd = USB_GET_DEV_PORT_PATH; 3502 break; 3503 case FBSD_LUSB_GET_POWER_USAGE: 3504 args->cmd = USB_GET_POWER_USAGE; 3505 break; 3506 case FBSD_LUSB_DEVICESTATS: 3507 args->cmd = USB_DEVICESTATS; 3508 break; 3509 default: 3510 error = ENOIOCTL; 3511 } 3512 if (error != ENOIOCTL) 3513 error = sys_ioctl(td, (struct ioctl_args *)args); 3514 return (error); 3515 } 3516 3517 /* 3518 * Some evdev ioctls must be translated. 3519 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3520 * (must be IOC_INOUT on FreeBSD). 3521 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3522 * an int argument. You don't pass an int pointer to the ioctl(), however, 3523 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3524 * this to work. 3525 */ 3526 static int 3527 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3528 { 3529 struct file *fp; 3530 clockid_t clock; 3531 int error; 3532 3533 args->cmd = SETDIR(args->cmd); 3534 3535 switch (args->cmd) { 3536 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3537 args->cmd = EVIOCGRAB; 3538 break; 3539 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3540 args->cmd = EVIOCREVOKE; 3541 break; 3542 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3543 args->cmd = EVIOCRMFF; 3544 break; 3545 case EVIOCSCLOCKID: { 3546 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3547 if (error != 0) 3548 return (error); 3549 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3550 return (EINVAL); 3551 error = linux_to_native_clockid(&clock, clock); 3552 if (error != 0) 3553 return (error); 3554 3555 error = fget(td, args->fd, 3556 &cap_ioctl_rights, &fp); 3557 if (error != 0) 3558 return (error); 3559 3560 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3561 fdrop(fp, td); 3562 return (error); 3563 } 3564 default: 3565 break; 3566 } 3567 3568 if (IOCBASECMD(args->cmd) == 3569 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3570 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3571 3572 return (sys_ioctl(td, (struct ioctl_args *)args)); 3573 } 3574 3575 /* 3576 * main ioctl syscall function 3577 */ 3578 3579 static int 3580 linux_ioctl_fallback(struct thread *td, struct linux_ioctl_args *args) 3581 { 3582 struct file *fp; 3583 struct linux_ioctl_handler_element *he; 3584 int error, cmd; 3585 3586 error = fget(td, args->fd, &cap_ioctl_rights, &fp); 3587 if (error != 0) 3588 return (error); 3589 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3590 fdrop(fp, td); 3591 return (EBADF); 3592 } 3593 3594 /* Iterate over the ioctl handlers */ 3595 cmd = args->cmd & 0xffff; 3596 sx_slock(&linux_ioctl_sx); 3597 mtx_lock(&Giant); 3598 #ifdef COMPAT_LINUX32 3599 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3600 if (cmd >= he->low && cmd <= he->high) { 3601 error = (*he->func)(td, args); 3602 if (error != ENOIOCTL) { 3603 mtx_unlock(&Giant); 3604 sx_sunlock(&linux_ioctl_sx); 3605 fdrop(fp, td); 3606 return (error); 3607 } 3608 } 3609 } 3610 #endif 3611 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3612 if (cmd >= he->low && cmd <= he->high) { 3613 error = (*he->func)(td, args); 3614 if (error != ENOIOCTL) { 3615 mtx_unlock(&Giant); 3616 sx_sunlock(&linux_ioctl_sx); 3617 fdrop(fp, td); 3618 return (error); 3619 } 3620 } 3621 } 3622 mtx_unlock(&Giant); 3623 sx_sunlock(&linux_ioctl_sx); 3624 fdrop(fp, td); 3625 3626 switch (args->cmd & 0xffff) { 3627 case LINUX_BTRFS_IOC_CLONE: 3628 case LINUX_FS_IOC_FIEMAP: 3629 return (ENOTSUP); 3630 3631 default: 3632 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3633 args->fd, (int)(args->cmd & 0xffff), 3634 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3635 break; 3636 } 3637 3638 return (EINVAL); 3639 } 3640 3641 int 3642 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3643 { 3644 struct linux_ioctl_handler *handler; 3645 int error, cmd, i; 3646 3647 cmd = args->cmd & 0xffff; 3648 3649 /* 3650 * array of ioctls known at compilation time. Elides a lot of work on 3651 * each call compared to the list variant. Everything frequently used 3652 * should be moved here. 3653 * 3654 * Arguably the magic creating the list should create an array instead. 3655 * 3656 * For now just a linear scan. 3657 */ 3658 for (i = 0; i < nitems(linux_ioctls); i++) { 3659 handler = &linux_ioctls[i]; 3660 if (cmd >= handler->low && cmd <= handler->high) { 3661 error = (*handler->func)(td, args); 3662 if (error != ENOIOCTL) { 3663 return (error); 3664 } 3665 } 3666 } 3667 return (linux_ioctl_fallback(td, args)); 3668 } 3669 3670 int 3671 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3672 { 3673 struct linux_ioctl_handler_element *he, *cur; 3674 3675 if (h == NULL || h->func == NULL) 3676 return (EINVAL); 3677 3678 /* 3679 * Reuse the element if the handler is already on the list, otherwise 3680 * create a new element. 3681 */ 3682 sx_xlock(&linux_ioctl_sx); 3683 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3684 if (he->func == h->func) 3685 break; 3686 } 3687 if (he == NULL) { 3688 he = malloc(sizeof(*he), 3689 M_LINUX, M_WAITOK); 3690 he->func = h->func; 3691 } else 3692 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3693 3694 /* Initialize range information. */ 3695 he->low = h->low; 3696 he->high = h->high; 3697 he->span = h->high - h->low + 1; 3698 3699 /* Add the element to the list, sorted on span. */ 3700 TAILQ_FOREACH(cur, &linux_ioctl_handlers, list) { 3701 if (cur->span > he->span) { 3702 TAILQ_INSERT_BEFORE(cur, he, list); 3703 sx_xunlock(&linux_ioctl_sx); 3704 return (0); 3705 } 3706 } 3707 TAILQ_INSERT_TAIL(&linux_ioctl_handlers, he, list); 3708 sx_xunlock(&linux_ioctl_sx); 3709 3710 return (0); 3711 } 3712 3713 int 3714 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3715 { 3716 struct linux_ioctl_handler_element *he; 3717 3718 if (h == NULL || h->func == NULL) 3719 return (EINVAL); 3720 3721 sx_xlock(&linux_ioctl_sx); 3722 TAILQ_FOREACH(he, &linux_ioctl_handlers, list) { 3723 if (he->func == h->func) { 3724 TAILQ_REMOVE(&linux_ioctl_handlers, he, list); 3725 sx_xunlock(&linux_ioctl_sx); 3726 free(he, M_LINUX); 3727 return (0); 3728 } 3729 } 3730 sx_xunlock(&linux_ioctl_sx); 3731 3732 return (EINVAL); 3733 } 3734 3735 #ifdef COMPAT_LINUX32 3736 int 3737 linux32_ioctl_register_handler(struct linux_ioctl_handler *h) 3738 { 3739 struct linux_ioctl_handler_element *he, *cur; 3740 3741 if (h == NULL || h->func == NULL) 3742 return (EINVAL); 3743 3744 /* 3745 * Reuse the element if the handler is already on the list, otherwise 3746 * create a new element. 3747 */ 3748 sx_xlock(&linux_ioctl_sx); 3749 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3750 if (he->func == h->func) 3751 break; 3752 } 3753 if (he == NULL) { 3754 he = malloc(sizeof(*he), M_LINUX, M_WAITOK); 3755 he->func = h->func; 3756 } else 3757 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3758 3759 /* Initialize range information. */ 3760 he->low = h->low; 3761 he->high = h->high; 3762 he->span = h->high - h->low + 1; 3763 3764 /* Add the element to the list, sorted on span. */ 3765 TAILQ_FOREACH(cur, &linux32_ioctl_handlers, list) { 3766 if (cur->span > he->span) { 3767 TAILQ_INSERT_BEFORE(cur, he, list); 3768 sx_xunlock(&linux_ioctl_sx); 3769 return (0); 3770 } 3771 } 3772 TAILQ_INSERT_TAIL(&linux32_ioctl_handlers, he, list); 3773 sx_xunlock(&linux_ioctl_sx); 3774 3775 return (0); 3776 } 3777 3778 int 3779 linux32_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3780 { 3781 struct linux_ioctl_handler_element *he; 3782 3783 if (h == NULL || h->func == NULL) 3784 return (EINVAL); 3785 3786 sx_xlock(&linux_ioctl_sx); 3787 TAILQ_FOREACH(he, &linux32_ioctl_handlers, list) { 3788 if (he->func == h->func) { 3789 TAILQ_REMOVE(&linux32_ioctl_handlers, he, list); 3790 sx_xunlock(&linux_ioctl_sx); 3791 free(he, M_LINUX); 3792 return (0); 3793 } 3794 } 3795 sx_xunlock(&linux_ioctl_sx); 3796 3797 return (EINVAL); 3798 } 3799 #endif 3800