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