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