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