1 /*- 2 * Copyright (c) 1994-1995 Søren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 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/capability.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_dl.h> 70 #include <net/if_types.h> 71 #include <net/vnet.h> 72 73 #include <dev/usb/usb_ioctl.h> 74 75 #ifdef COMPAT_LINUX32 76 #include <machine/../linux32/linux.h> 77 #include <machine/../linux32/linux32_proto.h> 78 #else 79 #include <machine/../linux/linux.h> 80 #include <machine/../linux/linux_proto.h> 81 #endif 82 83 #include <compat/linux/linux_ioctl.h> 84 #include <compat/linux/linux_mib.h> 85 #include <compat/linux/linux_socket.h> 86 #include <compat/linux/linux_util.h> 87 88 #include <compat/linux/linux_videodev.h> 89 #include <compat/linux/linux_videodev_compat.h> 90 91 #include <compat/linux/linux_videodev2.h> 92 #include <compat/linux/linux_videodev2_compat.h> 93 94 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 95 96 FEATURE(linuxulator_v4l, "V4L ioctl wrapper support in the linuxulator"); 97 FEATURE(linuxulator_v4l2, "V4L2 ioctl wrapper support in the linuxulator"); 98 99 static linux_ioctl_function_t linux_ioctl_cdrom; 100 static linux_ioctl_function_t linux_ioctl_vfat; 101 static linux_ioctl_function_t linux_ioctl_console; 102 static linux_ioctl_function_t linux_ioctl_hdio; 103 static linux_ioctl_function_t linux_ioctl_disk; 104 static linux_ioctl_function_t linux_ioctl_socket; 105 static linux_ioctl_function_t linux_ioctl_sound; 106 static linux_ioctl_function_t linux_ioctl_termio; 107 static linux_ioctl_function_t linux_ioctl_private; 108 static linux_ioctl_function_t linux_ioctl_drm; 109 static linux_ioctl_function_t linux_ioctl_sg; 110 static linux_ioctl_function_t linux_ioctl_v4l; 111 static linux_ioctl_function_t linux_ioctl_v4l2; 112 static linux_ioctl_function_t linux_ioctl_special; 113 static linux_ioctl_function_t linux_ioctl_fbsd_usb; 114 115 static struct linux_ioctl_handler cdrom_handler = 116 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 117 static struct linux_ioctl_handler vfat_handler = 118 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 119 static struct linux_ioctl_handler console_handler = 120 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 121 static struct linux_ioctl_handler hdio_handler = 122 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 123 static struct linux_ioctl_handler disk_handler = 124 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 125 static struct linux_ioctl_handler socket_handler = 126 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 127 static struct linux_ioctl_handler sound_handler = 128 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 129 static struct linux_ioctl_handler termio_handler = 130 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 131 static struct linux_ioctl_handler private_handler = 132 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 133 static struct linux_ioctl_handler drm_handler = 134 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 135 static struct linux_ioctl_handler sg_handler = 136 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 137 static struct linux_ioctl_handler video_handler = 138 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 139 static struct linux_ioctl_handler video2_handler = 140 { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; 141 static struct linux_ioctl_handler fbsd_usb = 142 { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; 143 144 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 145 DATA_SET(linux_ioctl_handler_set, vfat_handler); 146 DATA_SET(linux_ioctl_handler_set, console_handler); 147 DATA_SET(linux_ioctl_handler_set, hdio_handler); 148 DATA_SET(linux_ioctl_handler_set, disk_handler); 149 DATA_SET(linux_ioctl_handler_set, socket_handler); 150 DATA_SET(linux_ioctl_handler_set, sound_handler); 151 DATA_SET(linux_ioctl_handler_set, termio_handler); 152 DATA_SET(linux_ioctl_handler_set, private_handler); 153 DATA_SET(linux_ioctl_handler_set, drm_handler); 154 DATA_SET(linux_ioctl_handler_set, sg_handler); 155 DATA_SET(linux_ioctl_handler_set, video_handler); 156 DATA_SET(linux_ioctl_handler_set, video2_handler); 157 DATA_SET(linux_ioctl_handler_set, fbsd_usb); 158 159 struct handler_element 160 { 161 TAILQ_ENTRY(handler_element) list; 162 int (*func)(struct thread *, struct linux_ioctl_args *); 163 int low, high, span; 164 }; 165 166 static TAILQ_HEAD(, handler_element) handlers = 167 TAILQ_HEAD_INITIALIZER(handlers); 168 static struct sx linux_ioctl_sx; 169 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 170 171 /* 172 * hdio related ioctls for VMWare support 173 */ 174 175 struct linux_hd_geometry { 176 u_int8_t heads; 177 u_int8_t sectors; 178 u_int16_t cylinders; 179 u_int32_t start; 180 }; 181 182 struct linux_hd_big_geometry { 183 u_int8_t heads; 184 u_int8_t sectors; 185 u_int32_t cylinders; 186 u_int32_t start; 187 }; 188 189 static int 190 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 191 { 192 struct file *fp; 193 int error; 194 u_int sectorsize, fwcylinders, fwheads, fwsectors; 195 off_t mediasize, bytespercyl; 196 197 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 198 return (error); 199 switch (args->cmd & 0xffff) { 200 case LINUX_HDIO_GET_GEO: 201 case LINUX_HDIO_GET_GEO_BIG: 202 error = fo_ioctl(fp, DIOCGMEDIASIZE, 203 (caddr_t)&mediasize, td->td_ucred, td); 204 if (!error) 205 error = fo_ioctl(fp, DIOCGSECTORSIZE, 206 (caddr_t)§orsize, td->td_ucred, td); 207 if (!error) 208 error = fo_ioctl(fp, DIOCGFWHEADS, 209 (caddr_t)&fwheads, td->td_ucred, td); 210 if (!error) 211 error = fo_ioctl(fp, DIOCGFWSECTORS, 212 (caddr_t)&fwsectors, td->td_ucred, td); 213 /* 214 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 215 * so pretend that GEOM always says 0. This is NOT VALID 216 * for slices or partitions, only the per-disk raw devices. 217 */ 218 219 fdrop(fp, td); 220 if (error) 221 return (error); 222 /* 223 * 1. Calculate the number of bytes in a cylinder, 224 * given the firmware's notion of heads and sectors 225 * per cylinder. 226 * 2. Calculate the number of cylinders, given the total 227 * size of the media. 228 * All internal calculations should have 64-bit precision. 229 */ 230 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 231 fwcylinders = mediasize / bytespercyl; 232 #if defined(DEBUG) 233 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 234 "bpc %jd", 235 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 236 (intmax_t)bytespercyl); 237 #endif 238 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 239 struct linux_hd_geometry hdg; 240 241 hdg.cylinders = fwcylinders; 242 hdg.heads = fwheads; 243 hdg.sectors = fwsectors; 244 hdg.start = 0; 245 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 246 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 247 struct linux_hd_big_geometry hdbg; 248 249 hdbg.cylinders = fwcylinders; 250 hdbg.heads = fwheads; 251 hdbg.sectors = fwsectors; 252 hdbg.start = 0; 253 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 254 } 255 return (error); 256 break; 257 default: 258 /* XXX */ 259 linux_msg(td, 260 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 261 args->fd, (int)(args->cmd & 0xffff), 262 (int)(args->cmd & 0xff00) >> 8, 263 (int)(args->cmd & 0xff)); 264 break; 265 } 266 fdrop(fp, td); 267 return (ENOIOCTL); 268 } 269 270 static int 271 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 272 { 273 struct file *fp; 274 int error; 275 u_int sectorsize; 276 off_t mediasize; 277 278 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 279 return (error); 280 switch (args->cmd & 0xffff) { 281 case LINUX_BLKGETSIZE: 282 error = fo_ioctl(fp, DIOCGSECTORSIZE, 283 (caddr_t)§orsize, td->td_ucred, td); 284 if (!error) 285 error = fo_ioctl(fp, DIOCGMEDIASIZE, 286 (caddr_t)&mediasize, td->td_ucred, td); 287 fdrop(fp, td); 288 if (error) 289 return (error); 290 sectorsize = mediasize / sectorsize; 291 /* 292 * XXX: How do we know we return the right size of integer ? 293 */ 294 return (copyout(§orsize, (void *)args->arg, 295 sizeof(sectorsize))); 296 break; 297 } 298 fdrop(fp, td); 299 return (ENOIOCTL); 300 } 301 302 /* 303 * termio related ioctls 304 */ 305 306 struct linux_termio { 307 unsigned short c_iflag; 308 unsigned short c_oflag; 309 unsigned short c_cflag; 310 unsigned short c_lflag; 311 unsigned char c_line; 312 unsigned char c_cc[LINUX_NCC]; 313 }; 314 315 struct linux_termios { 316 unsigned int c_iflag; 317 unsigned int c_oflag; 318 unsigned int c_cflag; 319 unsigned int c_lflag; 320 unsigned char c_line; 321 unsigned char c_cc[LINUX_NCCS]; 322 }; 323 324 struct linux_winsize { 325 unsigned short ws_row, ws_col; 326 unsigned short ws_xpixel, ws_ypixel; 327 }; 328 329 struct speedtab { 330 int sp_speed; /* Speed. */ 331 int sp_code; /* Code. */ 332 }; 333 334 static struct speedtab sptab[] = { 335 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 336 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 337 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 338 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 339 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 340 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 341 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 342 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 343 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 344 {-1, -1 } 345 }; 346 347 struct linux_serial_struct { 348 int type; 349 int line; 350 int port; 351 int irq; 352 int flags; 353 int xmit_fifo_size; 354 int custom_divisor; 355 int baud_base; 356 unsigned short close_delay; 357 char reserved_char[2]; 358 int hub6; 359 unsigned short closing_wait; 360 unsigned short closing_wait2; 361 int reserved[4]; 362 }; 363 364 static int 365 linux_to_bsd_speed(int code, struct speedtab *table) 366 { 367 for ( ; table->sp_code != -1; table++) 368 if (table->sp_code == code) 369 return (table->sp_speed); 370 return -1; 371 } 372 373 static int 374 bsd_to_linux_speed(int speed, struct speedtab *table) 375 { 376 for ( ; table->sp_speed != -1; table++) 377 if (table->sp_speed == speed) 378 return (table->sp_code); 379 return -1; 380 } 381 382 static void 383 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 384 { 385 int i; 386 387 #ifdef DEBUG 388 if (ldebug(ioctl)) { 389 printf("LINUX: BSD termios structure (input):\n"); 390 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 391 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 392 bios->c_ispeed, bios->c_ospeed); 393 printf("c_cc "); 394 for (i=0; i<NCCS; i++) 395 printf("%02x ", bios->c_cc[i]); 396 printf("\n"); 397 } 398 #endif 399 400 lios->c_iflag = 0; 401 if (bios->c_iflag & IGNBRK) 402 lios->c_iflag |= LINUX_IGNBRK; 403 if (bios->c_iflag & BRKINT) 404 lios->c_iflag |= LINUX_BRKINT; 405 if (bios->c_iflag & IGNPAR) 406 lios->c_iflag |= LINUX_IGNPAR; 407 if (bios->c_iflag & PARMRK) 408 lios->c_iflag |= LINUX_PARMRK; 409 if (bios->c_iflag & INPCK) 410 lios->c_iflag |= LINUX_INPCK; 411 if (bios->c_iflag & ISTRIP) 412 lios->c_iflag |= LINUX_ISTRIP; 413 if (bios->c_iflag & INLCR) 414 lios->c_iflag |= LINUX_INLCR; 415 if (bios->c_iflag & IGNCR) 416 lios->c_iflag |= LINUX_IGNCR; 417 if (bios->c_iflag & ICRNL) 418 lios->c_iflag |= LINUX_ICRNL; 419 if (bios->c_iflag & IXON) 420 lios->c_iflag |= LINUX_IXON; 421 if (bios->c_iflag & IXANY) 422 lios->c_iflag |= LINUX_IXANY; 423 if (bios->c_iflag & IXOFF) 424 lios->c_iflag |= LINUX_IXOFF; 425 if (bios->c_iflag & IMAXBEL) 426 lios->c_iflag |= LINUX_IMAXBEL; 427 428 lios->c_oflag = 0; 429 if (bios->c_oflag & OPOST) 430 lios->c_oflag |= LINUX_OPOST; 431 if (bios->c_oflag & ONLCR) 432 lios->c_oflag |= LINUX_ONLCR; 433 if (bios->c_oflag & TAB3) 434 lios->c_oflag |= LINUX_XTABS; 435 436 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 437 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 438 if (bios->c_cflag & CSTOPB) 439 lios->c_cflag |= LINUX_CSTOPB; 440 if (bios->c_cflag & CREAD) 441 lios->c_cflag |= LINUX_CREAD; 442 if (bios->c_cflag & PARENB) 443 lios->c_cflag |= LINUX_PARENB; 444 if (bios->c_cflag & PARODD) 445 lios->c_cflag |= LINUX_PARODD; 446 if (bios->c_cflag & HUPCL) 447 lios->c_cflag |= LINUX_HUPCL; 448 if (bios->c_cflag & CLOCAL) 449 lios->c_cflag |= LINUX_CLOCAL; 450 if (bios->c_cflag & CRTSCTS) 451 lios->c_cflag |= LINUX_CRTSCTS; 452 453 lios->c_lflag = 0; 454 if (bios->c_lflag & ISIG) 455 lios->c_lflag |= LINUX_ISIG; 456 if (bios->c_lflag & ICANON) 457 lios->c_lflag |= LINUX_ICANON; 458 if (bios->c_lflag & ECHO) 459 lios->c_lflag |= LINUX_ECHO; 460 if (bios->c_lflag & ECHOE) 461 lios->c_lflag |= LINUX_ECHOE; 462 if (bios->c_lflag & ECHOK) 463 lios->c_lflag |= LINUX_ECHOK; 464 if (bios->c_lflag & ECHONL) 465 lios->c_lflag |= LINUX_ECHONL; 466 if (bios->c_lflag & NOFLSH) 467 lios->c_lflag |= LINUX_NOFLSH; 468 if (bios->c_lflag & TOSTOP) 469 lios->c_lflag |= LINUX_TOSTOP; 470 if (bios->c_lflag & ECHOCTL) 471 lios->c_lflag |= LINUX_ECHOCTL; 472 if (bios->c_lflag & ECHOPRT) 473 lios->c_lflag |= LINUX_ECHOPRT; 474 if (bios->c_lflag & ECHOKE) 475 lios->c_lflag |= LINUX_ECHOKE; 476 if (bios->c_lflag & FLUSHO) 477 lios->c_lflag |= LINUX_FLUSHO; 478 if (bios->c_lflag & PENDIN) 479 lios->c_lflag |= LINUX_PENDIN; 480 if (bios->c_lflag & IEXTEN) 481 lios->c_lflag |= LINUX_IEXTEN; 482 483 for (i=0; i<LINUX_NCCS; i++) 484 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 485 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 486 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 487 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 488 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 489 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 490 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 491 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 492 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 493 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 494 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 495 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 496 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 497 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 498 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 499 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 500 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 501 502 for (i=0; i<LINUX_NCCS; i++) { 503 if (i != LINUX_VMIN && i != LINUX_VTIME && 504 lios->c_cc[i] == _POSIX_VDISABLE) 505 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 506 } 507 lios->c_line = 0; 508 509 #ifdef DEBUG 510 if (ldebug(ioctl)) { 511 printf("LINUX: LINUX termios structure (output):\n"); 512 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 513 lios->c_iflag, lios->c_oflag, lios->c_cflag, 514 lios->c_lflag, (int)lios->c_line); 515 printf("c_cc "); 516 for (i=0; i<LINUX_NCCS; i++) 517 printf("%02x ", lios->c_cc[i]); 518 printf("\n"); 519 } 520 #endif 521 } 522 523 static void 524 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 525 { 526 int i; 527 528 #ifdef DEBUG 529 if (ldebug(ioctl)) { 530 printf("LINUX: LINUX termios structure (input):\n"); 531 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 532 lios->c_iflag, lios->c_oflag, lios->c_cflag, 533 lios->c_lflag, (int)lios->c_line); 534 printf("c_cc "); 535 for (i=0; i<LINUX_NCCS; i++) 536 printf("%02x ", lios->c_cc[i]); 537 printf("\n"); 538 } 539 #endif 540 541 bios->c_iflag = 0; 542 if (lios->c_iflag & LINUX_IGNBRK) 543 bios->c_iflag |= IGNBRK; 544 if (lios->c_iflag & LINUX_BRKINT) 545 bios->c_iflag |= BRKINT; 546 if (lios->c_iflag & LINUX_IGNPAR) 547 bios->c_iflag |= IGNPAR; 548 if (lios->c_iflag & LINUX_PARMRK) 549 bios->c_iflag |= PARMRK; 550 if (lios->c_iflag & LINUX_INPCK) 551 bios->c_iflag |= INPCK; 552 if (lios->c_iflag & LINUX_ISTRIP) 553 bios->c_iflag |= ISTRIP; 554 if (lios->c_iflag & LINUX_INLCR) 555 bios->c_iflag |= INLCR; 556 if (lios->c_iflag & LINUX_IGNCR) 557 bios->c_iflag |= IGNCR; 558 if (lios->c_iflag & LINUX_ICRNL) 559 bios->c_iflag |= ICRNL; 560 if (lios->c_iflag & LINUX_IXON) 561 bios->c_iflag |= IXON; 562 if (lios->c_iflag & LINUX_IXANY) 563 bios->c_iflag |= IXANY; 564 if (lios->c_iflag & LINUX_IXOFF) 565 bios->c_iflag |= IXOFF; 566 if (lios->c_iflag & LINUX_IMAXBEL) 567 bios->c_iflag |= IMAXBEL; 568 569 bios->c_oflag = 0; 570 if (lios->c_oflag & LINUX_OPOST) 571 bios->c_oflag |= OPOST; 572 if (lios->c_oflag & LINUX_ONLCR) 573 bios->c_oflag |= ONLCR; 574 if (lios->c_oflag & LINUX_XTABS) 575 bios->c_oflag |= TAB3; 576 577 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 578 if (lios->c_cflag & LINUX_CSTOPB) 579 bios->c_cflag |= CSTOPB; 580 if (lios->c_cflag & LINUX_CREAD) 581 bios->c_cflag |= CREAD; 582 if (lios->c_cflag & LINUX_PARENB) 583 bios->c_cflag |= PARENB; 584 if (lios->c_cflag & LINUX_PARODD) 585 bios->c_cflag |= PARODD; 586 if (lios->c_cflag & LINUX_HUPCL) 587 bios->c_cflag |= HUPCL; 588 if (lios->c_cflag & LINUX_CLOCAL) 589 bios->c_cflag |= CLOCAL; 590 if (lios->c_cflag & LINUX_CRTSCTS) 591 bios->c_cflag |= CRTSCTS; 592 593 bios->c_lflag = 0; 594 if (lios->c_lflag & LINUX_ISIG) 595 bios->c_lflag |= ISIG; 596 if (lios->c_lflag & LINUX_ICANON) 597 bios->c_lflag |= ICANON; 598 if (lios->c_lflag & LINUX_ECHO) 599 bios->c_lflag |= ECHO; 600 if (lios->c_lflag & LINUX_ECHOE) 601 bios->c_lflag |= ECHOE; 602 if (lios->c_lflag & LINUX_ECHOK) 603 bios->c_lflag |= ECHOK; 604 if (lios->c_lflag & LINUX_ECHONL) 605 bios->c_lflag |= ECHONL; 606 if (lios->c_lflag & LINUX_NOFLSH) 607 bios->c_lflag |= NOFLSH; 608 if (lios->c_lflag & LINUX_TOSTOP) 609 bios->c_lflag |= TOSTOP; 610 if (lios->c_lflag & LINUX_ECHOCTL) 611 bios->c_lflag |= ECHOCTL; 612 if (lios->c_lflag & LINUX_ECHOPRT) 613 bios->c_lflag |= ECHOPRT; 614 if (lios->c_lflag & LINUX_ECHOKE) 615 bios->c_lflag |= ECHOKE; 616 if (lios->c_lflag & LINUX_FLUSHO) 617 bios->c_lflag |= FLUSHO; 618 if (lios->c_lflag & LINUX_PENDIN) 619 bios->c_lflag |= PENDIN; 620 if (lios->c_lflag & LINUX_IEXTEN) 621 bios->c_lflag |= IEXTEN; 622 623 for (i=0; i<NCCS; i++) 624 bios->c_cc[i] = _POSIX_VDISABLE; 625 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 626 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 627 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 628 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 629 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 630 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 631 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 632 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 633 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 634 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 635 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 636 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 637 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 638 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 639 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 640 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 641 642 for (i=0; i<NCCS; i++) { 643 if (i != VMIN && i != VTIME && 644 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 645 bios->c_cc[i] = _POSIX_VDISABLE; 646 } 647 648 bios->c_ispeed = bios->c_ospeed = 649 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 650 651 #ifdef DEBUG 652 if (ldebug(ioctl)) { 653 printf("LINUX: BSD termios structure (output):\n"); 654 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 655 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 656 bios->c_ispeed, bios->c_ospeed); 657 printf("c_cc "); 658 for (i=0; i<NCCS; i++) 659 printf("%02x ", bios->c_cc[i]); 660 printf("\n"); 661 } 662 #endif 663 } 664 665 static void 666 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 667 { 668 struct linux_termios lios; 669 670 bsd_to_linux_termios(bios, &lios); 671 lio->c_iflag = lios.c_iflag; 672 lio->c_oflag = lios.c_oflag; 673 lio->c_cflag = lios.c_cflag; 674 lio->c_lflag = lios.c_lflag; 675 lio->c_line = lios.c_line; 676 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 677 } 678 679 static void 680 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 681 { 682 struct linux_termios lios; 683 int i; 684 685 lios.c_iflag = lio->c_iflag; 686 lios.c_oflag = lio->c_oflag; 687 lios.c_cflag = lio->c_cflag; 688 lios.c_lflag = lio->c_lflag; 689 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 690 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 691 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 692 linux_to_bsd_termios(&lios, bios); 693 } 694 695 static int 696 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 697 { 698 struct termios bios; 699 struct linux_termios lios; 700 struct linux_termio lio; 701 struct file *fp; 702 int error; 703 704 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 705 return (error); 706 707 switch (args->cmd & 0xffff) { 708 709 case LINUX_TCGETS: 710 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 711 td); 712 if (error) 713 break; 714 bsd_to_linux_termios(&bios, &lios); 715 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 716 break; 717 718 case LINUX_TCSETS: 719 error = copyin((void *)args->arg, &lios, sizeof(lios)); 720 if (error) 721 break; 722 linux_to_bsd_termios(&lios, &bios); 723 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 724 td)); 725 break; 726 727 case LINUX_TCSETSW: 728 error = copyin((void *)args->arg, &lios, sizeof(lios)); 729 if (error) 730 break; 731 linux_to_bsd_termios(&lios, &bios); 732 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 733 td)); 734 break; 735 736 case LINUX_TCSETSF: 737 error = copyin((void *)args->arg, &lios, sizeof(lios)); 738 if (error) 739 break; 740 linux_to_bsd_termios(&lios, &bios); 741 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 742 td)); 743 break; 744 745 case LINUX_TCGETA: 746 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 747 td); 748 if (error) 749 break; 750 bsd_to_linux_termio(&bios, &lio); 751 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 752 break; 753 754 case LINUX_TCSETA: 755 error = copyin((void *)args->arg, &lio, sizeof(lio)); 756 if (error) 757 break; 758 linux_to_bsd_termio(&lio, &bios); 759 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 760 td)); 761 break; 762 763 case LINUX_TCSETAW: 764 error = copyin((void *)args->arg, &lio, sizeof(lio)); 765 if (error) 766 break; 767 linux_to_bsd_termio(&lio, &bios); 768 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 769 td)); 770 break; 771 772 case LINUX_TCSETAF: 773 error = copyin((void *)args->arg, &lio, sizeof(lio)); 774 if (error) 775 break; 776 linux_to_bsd_termio(&lio, &bios); 777 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 778 td)); 779 break; 780 781 /* LINUX_TCSBRK */ 782 783 case LINUX_TCXONC: { 784 switch (args->arg) { 785 case LINUX_TCOOFF: 786 args->cmd = TIOCSTOP; 787 break; 788 case LINUX_TCOON: 789 args->cmd = TIOCSTART; 790 break; 791 case LINUX_TCIOFF: 792 case LINUX_TCION: { 793 int c; 794 struct write_args wr; 795 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 796 td->td_ucred, td); 797 if (error) 798 break; 799 fdrop(fp, td); 800 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 801 c = bios.c_cc[c]; 802 if (c != _POSIX_VDISABLE) { 803 wr.fd = args->fd; 804 wr.buf = &c; 805 wr.nbyte = sizeof(c); 806 return (sys_write(td, &wr)); 807 } else 808 return (0); 809 } 810 default: 811 fdrop(fp, td); 812 return (EINVAL); 813 } 814 args->arg = 0; 815 error = (sys_ioctl(td, (struct ioctl_args *)args)); 816 break; 817 } 818 819 case LINUX_TCFLSH: { 820 int val; 821 switch (args->arg) { 822 case LINUX_TCIFLUSH: 823 val = FREAD; 824 break; 825 case LINUX_TCOFLUSH: 826 val = FWRITE; 827 break; 828 case LINUX_TCIOFLUSH: 829 val = FREAD | FWRITE; 830 break; 831 default: 832 fdrop(fp, td); 833 return (EINVAL); 834 } 835 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 836 break; 837 } 838 839 case LINUX_TIOCEXCL: 840 args->cmd = TIOCEXCL; 841 error = (sys_ioctl(td, (struct ioctl_args *)args)); 842 break; 843 844 case LINUX_TIOCNXCL: 845 args->cmd = TIOCNXCL; 846 error = (sys_ioctl(td, (struct ioctl_args *)args)); 847 break; 848 849 case LINUX_TIOCSCTTY: 850 args->cmd = TIOCSCTTY; 851 error = (sys_ioctl(td, (struct ioctl_args *)args)); 852 break; 853 854 case LINUX_TIOCGPGRP: 855 args->cmd = TIOCGPGRP; 856 error = (sys_ioctl(td, (struct ioctl_args *)args)); 857 break; 858 859 case LINUX_TIOCSPGRP: 860 args->cmd = TIOCSPGRP; 861 error = (sys_ioctl(td, (struct ioctl_args *)args)); 862 break; 863 864 /* LINUX_TIOCOUTQ */ 865 /* LINUX_TIOCSTI */ 866 867 case LINUX_TIOCGWINSZ: 868 args->cmd = TIOCGWINSZ; 869 error = (sys_ioctl(td, (struct ioctl_args *)args)); 870 break; 871 872 case LINUX_TIOCSWINSZ: 873 args->cmd = TIOCSWINSZ; 874 error = (sys_ioctl(td, (struct ioctl_args *)args)); 875 break; 876 877 case LINUX_TIOCMGET: 878 args->cmd = TIOCMGET; 879 error = (sys_ioctl(td, (struct ioctl_args *)args)); 880 break; 881 882 case LINUX_TIOCMBIS: 883 args->cmd = TIOCMBIS; 884 error = (sys_ioctl(td, (struct ioctl_args *)args)); 885 break; 886 887 case LINUX_TIOCMBIC: 888 args->cmd = TIOCMBIC; 889 error = (sys_ioctl(td, (struct ioctl_args *)args)); 890 break; 891 892 case LINUX_TIOCMSET: 893 args->cmd = TIOCMSET; 894 error = (sys_ioctl(td, (struct ioctl_args *)args)); 895 break; 896 897 /* TIOCGSOFTCAR */ 898 /* TIOCSSOFTCAR */ 899 900 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 901 args->cmd = FIONREAD; 902 error = (sys_ioctl(td, (struct ioctl_args *)args)); 903 break; 904 905 /* LINUX_TIOCLINUX */ 906 907 case LINUX_TIOCCONS: 908 args->cmd = TIOCCONS; 909 error = (sys_ioctl(td, (struct ioctl_args *)args)); 910 break; 911 912 case LINUX_TIOCGSERIAL: { 913 struct linux_serial_struct lss; 914 lss.type = LINUX_PORT_16550A; 915 lss.flags = 0; 916 lss.close_delay = 0; 917 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 918 break; 919 } 920 921 case LINUX_TIOCSSERIAL: { 922 struct linux_serial_struct lss; 923 error = copyin((void *)args->arg, &lss, sizeof(lss)); 924 if (error) 925 break; 926 /* XXX - It really helps to have an implementation that 927 * does nothing. NOT! 928 */ 929 error = 0; 930 break; 931 } 932 933 case LINUX_TIOCPKT: 934 args->cmd = TIOCPKT; 935 error = (sys_ioctl(td, (struct ioctl_args *)args)); 936 break; 937 938 case LINUX_FIONBIO: 939 args->cmd = FIONBIO; 940 error = (sys_ioctl(td, (struct ioctl_args *)args)); 941 break; 942 943 case LINUX_TIOCNOTTY: 944 args->cmd = TIOCNOTTY; 945 error = (sys_ioctl(td, (struct ioctl_args *)args)); 946 break; 947 948 case LINUX_TIOCSETD: { 949 int line; 950 switch (args->arg) { 951 case LINUX_N_TTY: 952 line = TTYDISC; 953 break; 954 case LINUX_N_SLIP: 955 line = SLIPDISC; 956 break; 957 case LINUX_N_PPP: 958 line = PPPDISC; 959 break; 960 default: 961 fdrop(fp, td); 962 return (EINVAL); 963 } 964 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 965 td)); 966 break; 967 } 968 969 case LINUX_TIOCGETD: { 970 int linux_line; 971 int bsd_line = TTYDISC; 972 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 973 td->td_ucred, td); 974 if (error) 975 return (error); 976 switch (bsd_line) { 977 case TTYDISC: 978 linux_line = LINUX_N_TTY; 979 break; 980 case SLIPDISC: 981 linux_line = LINUX_N_SLIP; 982 break; 983 case PPPDISC: 984 linux_line = LINUX_N_PPP; 985 break; 986 default: 987 fdrop(fp, td); 988 return (EINVAL); 989 } 990 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 991 break; 992 } 993 994 /* LINUX_TCSBRKP */ 995 /* LINUX_TIOCTTYGSTRUCT */ 996 997 case LINUX_FIONCLEX: 998 args->cmd = FIONCLEX; 999 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1000 break; 1001 1002 case LINUX_FIOCLEX: 1003 args->cmd = FIOCLEX; 1004 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1005 break; 1006 1007 case LINUX_FIOASYNC: 1008 args->cmd = FIOASYNC; 1009 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1010 break; 1011 1012 /* LINUX_TIOCSERCONFIG */ 1013 /* LINUX_TIOCSERGWILD */ 1014 /* LINUX_TIOCSERSWILD */ 1015 /* LINUX_TIOCGLCKTRMIOS */ 1016 /* LINUX_TIOCSLCKTRMIOS */ 1017 1018 case LINUX_TIOCSBRK: 1019 args->cmd = TIOCSBRK; 1020 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1021 break; 1022 1023 case LINUX_TIOCCBRK: 1024 args->cmd = TIOCCBRK; 1025 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1026 break; 1027 case LINUX_TIOCGPTN: { 1028 int nb; 1029 1030 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1031 if (!error) 1032 error = copyout(&nb, (void *)args->arg, 1033 sizeof(int)); 1034 break; 1035 } 1036 case LINUX_TIOCSPTLCK: 1037 /* Our unlockpt() does nothing. */ 1038 error = 0; 1039 break; 1040 default: 1041 error = ENOIOCTL; 1042 break; 1043 } 1044 1045 fdrop(fp, td); 1046 return (error); 1047 } 1048 1049 /* 1050 * CDROM related ioctls 1051 */ 1052 1053 struct linux_cdrom_msf 1054 { 1055 u_char cdmsf_min0; 1056 u_char cdmsf_sec0; 1057 u_char cdmsf_frame0; 1058 u_char cdmsf_min1; 1059 u_char cdmsf_sec1; 1060 u_char cdmsf_frame1; 1061 }; 1062 1063 struct linux_cdrom_tochdr 1064 { 1065 u_char cdth_trk0; 1066 u_char cdth_trk1; 1067 }; 1068 1069 union linux_cdrom_addr 1070 { 1071 struct { 1072 u_char minute; 1073 u_char second; 1074 u_char frame; 1075 } msf; 1076 int lba; 1077 }; 1078 1079 struct linux_cdrom_tocentry 1080 { 1081 u_char cdte_track; 1082 u_char cdte_adr:4; 1083 u_char cdte_ctrl:4; 1084 u_char cdte_format; 1085 union linux_cdrom_addr cdte_addr; 1086 u_char cdte_datamode; 1087 }; 1088 1089 struct linux_cdrom_subchnl 1090 { 1091 u_char cdsc_format; 1092 u_char cdsc_audiostatus; 1093 u_char cdsc_adr:4; 1094 u_char cdsc_ctrl:4; 1095 u_char cdsc_trk; 1096 u_char cdsc_ind; 1097 union linux_cdrom_addr cdsc_absaddr; 1098 union linux_cdrom_addr cdsc_reladdr; 1099 }; 1100 1101 struct l_cdrom_read_audio { 1102 union linux_cdrom_addr addr; 1103 u_char addr_format; 1104 l_int nframes; 1105 u_char *buf; 1106 }; 1107 1108 struct l_dvd_layer { 1109 u_char book_version:4; 1110 u_char book_type:4; 1111 u_char min_rate:4; 1112 u_char disc_size:4; 1113 u_char layer_type:4; 1114 u_char track_path:1; 1115 u_char nlayers:2; 1116 u_char track_density:4; 1117 u_char linear_density:4; 1118 u_char bca:1; 1119 u_int32_t start_sector; 1120 u_int32_t end_sector; 1121 u_int32_t end_sector_l0; 1122 }; 1123 1124 struct l_dvd_physical { 1125 u_char type; 1126 u_char layer_num; 1127 struct l_dvd_layer layer[4]; 1128 }; 1129 1130 struct l_dvd_copyright { 1131 u_char type; 1132 u_char layer_num; 1133 u_char cpst; 1134 u_char rmi; 1135 }; 1136 1137 struct l_dvd_disckey { 1138 u_char type; 1139 l_uint agid:2; 1140 u_char value[2048]; 1141 }; 1142 1143 struct l_dvd_bca { 1144 u_char type; 1145 l_int len; 1146 u_char value[188]; 1147 }; 1148 1149 struct l_dvd_manufact { 1150 u_char type; 1151 u_char layer_num; 1152 l_int len; 1153 u_char value[2048]; 1154 }; 1155 1156 typedef union { 1157 u_char type; 1158 struct l_dvd_physical physical; 1159 struct l_dvd_copyright copyright; 1160 struct l_dvd_disckey disckey; 1161 struct l_dvd_bca bca; 1162 struct l_dvd_manufact manufact; 1163 } l_dvd_struct; 1164 1165 typedef u_char l_dvd_key[5]; 1166 typedef u_char l_dvd_challenge[10]; 1167 1168 struct l_dvd_lu_send_agid { 1169 u_char type; 1170 l_uint agid:2; 1171 }; 1172 1173 struct l_dvd_host_send_challenge { 1174 u_char type; 1175 l_uint agid:2; 1176 l_dvd_challenge chal; 1177 }; 1178 1179 struct l_dvd_send_key { 1180 u_char type; 1181 l_uint agid:2; 1182 l_dvd_key key; 1183 }; 1184 1185 struct l_dvd_lu_send_challenge { 1186 u_char type; 1187 l_uint agid:2; 1188 l_dvd_challenge chal; 1189 }; 1190 1191 struct l_dvd_lu_send_title_key { 1192 u_char type; 1193 l_uint agid:2; 1194 l_dvd_key title_key; 1195 l_int lba; 1196 l_uint cpm:1; 1197 l_uint cp_sec:1; 1198 l_uint cgms:2; 1199 }; 1200 1201 struct l_dvd_lu_send_asf { 1202 u_char type; 1203 l_uint agid:2; 1204 l_uint asf:1; 1205 }; 1206 1207 struct l_dvd_host_send_rpcstate { 1208 u_char type; 1209 u_char pdrc; 1210 }; 1211 1212 struct l_dvd_lu_send_rpcstate { 1213 u_char type:2; 1214 u_char vra:3; 1215 u_char ucca:3; 1216 u_char region_mask; 1217 u_char rpc_scheme; 1218 }; 1219 1220 typedef union { 1221 u_char type; 1222 struct l_dvd_lu_send_agid lsa; 1223 struct l_dvd_host_send_challenge hsc; 1224 struct l_dvd_send_key lsk; 1225 struct l_dvd_lu_send_challenge lsc; 1226 struct l_dvd_send_key hsk; 1227 struct l_dvd_lu_send_title_key lstk; 1228 struct l_dvd_lu_send_asf lsasf; 1229 struct l_dvd_host_send_rpcstate hrpcs; 1230 struct l_dvd_lu_send_rpcstate lrpcs; 1231 } l_dvd_authinfo; 1232 1233 static void 1234 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1235 { 1236 if (af == CD_LBA_FORMAT) 1237 lp->lba = bp->lba; 1238 else { 1239 lp->msf.minute = bp->msf.minute; 1240 lp->msf.second = bp->msf.second; 1241 lp->msf.frame = bp->msf.frame; 1242 } 1243 } 1244 1245 static void 1246 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1247 { 1248 if (format == LINUX_CDROM_MSF) { 1249 addr->msf.frame = lba % 75; 1250 lba /= 75; 1251 lba += 2; 1252 addr->msf.second = lba % 60; 1253 addr->msf.minute = lba / 60; 1254 } else 1255 addr->lba = lba; 1256 } 1257 1258 static int 1259 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1260 { 1261 bp->format = lp->type; 1262 switch (bp->format) { 1263 case DVD_STRUCT_PHYSICAL: 1264 if (bp->layer_num >= 4) 1265 return (EINVAL); 1266 bp->layer_num = lp->physical.layer_num; 1267 break; 1268 case DVD_STRUCT_COPYRIGHT: 1269 bp->layer_num = lp->copyright.layer_num; 1270 break; 1271 case DVD_STRUCT_DISCKEY: 1272 bp->agid = lp->disckey.agid; 1273 break; 1274 case DVD_STRUCT_BCA: 1275 case DVD_STRUCT_MANUFACT: 1276 break; 1277 default: 1278 return (EINVAL); 1279 } 1280 return (0); 1281 } 1282 1283 static int 1284 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1285 { 1286 switch (bp->format) { 1287 case DVD_STRUCT_PHYSICAL: { 1288 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1289 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1290 memset(llp, 0, sizeof(*llp)); 1291 llp->book_version = blp->book_version; 1292 llp->book_type = blp->book_type; 1293 llp->min_rate = blp->max_rate; 1294 llp->disc_size = blp->disc_size; 1295 llp->layer_type = blp->layer_type; 1296 llp->track_path = blp->track_path; 1297 llp->nlayers = blp->nlayers; 1298 llp->track_density = blp->track_density; 1299 llp->linear_density = blp->linear_density; 1300 llp->bca = blp->bca; 1301 llp->start_sector = blp->start_sector; 1302 llp->end_sector = blp->end_sector; 1303 llp->end_sector_l0 = blp->end_sector_l0; 1304 break; 1305 } 1306 case DVD_STRUCT_COPYRIGHT: 1307 lp->copyright.cpst = bp->cpst; 1308 lp->copyright.rmi = bp->rmi; 1309 break; 1310 case DVD_STRUCT_DISCKEY: 1311 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1312 break; 1313 case DVD_STRUCT_BCA: 1314 lp->bca.len = bp->length; 1315 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1316 break; 1317 case DVD_STRUCT_MANUFACT: 1318 lp->manufact.len = bp->length; 1319 memcpy(lp->manufact.value, bp->data, 1320 sizeof(lp->manufact.value)); 1321 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1322 break; 1323 default: 1324 return (EINVAL); 1325 } 1326 return (0); 1327 } 1328 1329 static int 1330 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1331 struct dvd_authinfo *bp) 1332 { 1333 switch (lp->type) { 1334 case LINUX_DVD_LU_SEND_AGID: 1335 *bcode = DVDIOCREPORTKEY; 1336 bp->format = DVD_REPORT_AGID; 1337 bp->agid = lp->lsa.agid; 1338 break; 1339 case LINUX_DVD_HOST_SEND_CHALLENGE: 1340 *bcode = DVDIOCSENDKEY; 1341 bp->format = DVD_SEND_CHALLENGE; 1342 bp->agid = lp->hsc.agid; 1343 memcpy(bp->keychal, lp->hsc.chal, 10); 1344 break; 1345 case LINUX_DVD_LU_SEND_KEY1: 1346 *bcode = DVDIOCREPORTKEY; 1347 bp->format = DVD_REPORT_KEY1; 1348 bp->agid = lp->lsk.agid; 1349 break; 1350 case LINUX_DVD_LU_SEND_CHALLENGE: 1351 *bcode = DVDIOCREPORTKEY; 1352 bp->format = DVD_REPORT_CHALLENGE; 1353 bp->agid = lp->lsc.agid; 1354 break; 1355 case LINUX_DVD_HOST_SEND_KEY2: 1356 *bcode = DVDIOCSENDKEY; 1357 bp->format = DVD_SEND_KEY2; 1358 bp->agid = lp->hsk.agid; 1359 memcpy(bp->keychal, lp->hsk.key, 5); 1360 break; 1361 case LINUX_DVD_LU_SEND_TITLE_KEY: 1362 *bcode = DVDIOCREPORTKEY; 1363 bp->format = DVD_REPORT_TITLE_KEY; 1364 bp->agid = lp->lstk.agid; 1365 bp->lba = lp->lstk.lba; 1366 break; 1367 case LINUX_DVD_LU_SEND_ASF: 1368 *bcode = DVDIOCREPORTKEY; 1369 bp->format = DVD_REPORT_ASF; 1370 bp->agid = lp->lsasf.agid; 1371 break; 1372 case LINUX_DVD_INVALIDATE_AGID: 1373 *bcode = DVDIOCREPORTKEY; 1374 bp->format = DVD_INVALIDATE_AGID; 1375 bp->agid = lp->lsa.agid; 1376 break; 1377 case LINUX_DVD_LU_SEND_RPC_STATE: 1378 *bcode = DVDIOCREPORTKEY; 1379 bp->format = DVD_REPORT_RPC; 1380 break; 1381 case LINUX_DVD_HOST_SEND_RPC_STATE: 1382 *bcode = DVDIOCSENDKEY; 1383 bp->format = DVD_SEND_RPC; 1384 bp->region = lp->hrpcs.pdrc; 1385 break; 1386 default: 1387 return (EINVAL); 1388 } 1389 return (0); 1390 } 1391 1392 static int 1393 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1394 { 1395 switch (lp->type) { 1396 case LINUX_DVD_LU_SEND_AGID: 1397 lp->lsa.agid = bp->agid; 1398 break; 1399 case LINUX_DVD_HOST_SEND_CHALLENGE: 1400 lp->type = LINUX_DVD_LU_SEND_KEY1; 1401 break; 1402 case LINUX_DVD_LU_SEND_KEY1: 1403 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1404 break; 1405 case LINUX_DVD_LU_SEND_CHALLENGE: 1406 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1407 break; 1408 case LINUX_DVD_HOST_SEND_KEY2: 1409 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1410 break; 1411 case LINUX_DVD_LU_SEND_TITLE_KEY: 1412 memcpy(lp->lstk.title_key, bp->keychal, 1413 sizeof(lp->lstk.title_key)); 1414 lp->lstk.cpm = bp->cpm; 1415 lp->lstk.cp_sec = bp->cp_sec; 1416 lp->lstk.cgms = bp->cgms; 1417 break; 1418 case LINUX_DVD_LU_SEND_ASF: 1419 lp->lsasf.asf = bp->asf; 1420 break; 1421 case LINUX_DVD_INVALIDATE_AGID: 1422 break; 1423 case LINUX_DVD_LU_SEND_RPC_STATE: 1424 lp->lrpcs.type = bp->reg_type; 1425 lp->lrpcs.vra = bp->vend_rsts; 1426 lp->lrpcs.ucca = bp->user_rsts; 1427 lp->lrpcs.region_mask = bp->region; 1428 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1429 break; 1430 case LINUX_DVD_HOST_SEND_RPC_STATE: 1431 break; 1432 default: 1433 return (EINVAL); 1434 } 1435 return (0); 1436 } 1437 1438 static int 1439 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1440 { 1441 struct file *fp; 1442 int error; 1443 1444 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 1445 return (error); 1446 switch (args->cmd & 0xffff) { 1447 1448 case LINUX_CDROMPAUSE: 1449 args->cmd = CDIOCPAUSE; 1450 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1451 break; 1452 1453 case LINUX_CDROMRESUME: 1454 args->cmd = CDIOCRESUME; 1455 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1456 break; 1457 1458 case LINUX_CDROMPLAYMSF: 1459 args->cmd = CDIOCPLAYMSF; 1460 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1461 break; 1462 1463 case LINUX_CDROMPLAYTRKIND: 1464 args->cmd = CDIOCPLAYTRACKS; 1465 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1466 break; 1467 1468 case LINUX_CDROMREADTOCHDR: { 1469 struct ioc_toc_header th; 1470 struct linux_cdrom_tochdr lth; 1471 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1472 td->td_ucred, td); 1473 if (!error) { 1474 lth.cdth_trk0 = th.starting_track; 1475 lth.cdth_trk1 = th.ending_track; 1476 copyout(<h, (void *)args->arg, sizeof(lth)); 1477 } 1478 break; 1479 } 1480 1481 case LINUX_CDROMREADTOCENTRY: { 1482 struct linux_cdrom_tocentry lte; 1483 struct ioc_read_toc_single_entry irtse; 1484 1485 error = copyin((void *)args->arg, <e, sizeof(lte)); 1486 if (error) 1487 break; 1488 irtse.address_format = lte.cdte_format; 1489 irtse.track = lte.cdte_track; 1490 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1491 td->td_ucred, td); 1492 if (!error) { 1493 lte.cdte_ctrl = irtse.entry.control; 1494 lte.cdte_adr = irtse.entry.addr_type; 1495 bsd_to_linux_msf_lba(irtse.address_format, 1496 &irtse.entry.addr, <e.cdte_addr); 1497 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1498 } 1499 break; 1500 } 1501 1502 case LINUX_CDROMSTOP: 1503 args->cmd = CDIOCSTOP; 1504 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1505 break; 1506 1507 case LINUX_CDROMSTART: 1508 args->cmd = CDIOCSTART; 1509 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1510 break; 1511 1512 case LINUX_CDROMEJECT: 1513 args->cmd = CDIOCEJECT; 1514 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1515 break; 1516 1517 /* LINUX_CDROMVOLCTRL */ 1518 1519 case LINUX_CDROMSUBCHNL: { 1520 struct linux_cdrom_subchnl sc; 1521 struct ioc_read_subchannel bsdsc; 1522 struct cd_sub_channel_info bsdinfo; 1523 1524 bsdsc.address_format = CD_LBA_FORMAT; 1525 bsdsc.data_format = CD_CURRENT_POSITION; 1526 bsdsc.track = 0; 1527 bsdsc.data_len = sizeof(bsdinfo); 1528 bsdsc.data = &bsdinfo; 1529 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1530 (caddr_t)&bsdsc, td->td_ucred, td); 1531 if (error) 1532 break; 1533 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1534 if (error) 1535 break; 1536 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1537 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1538 sc.cdsc_ctrl = bsdinfo.what.position.control; 1539 sc.cdsc_trk = bsdinfo.what.position.track_number; 1540 sc.cdsc_ind = bsdinfo.what.position.index_number; 1541 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1542 bsdinfo.what.position.absaddr.lba); 1543 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1544 bsdinfo.what.position.reladdr.lba); 1545 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1546 break; 1547 } 1548 1549 /* LINUX_CDROMREADMODE2 */ 1550 /* LINUX_CDROMREADMODE1 */ 1551 /* LINUX_CDROMREADAUDIO */ 1552 /* LINUX_CDROMEJECT_SW */ 1553 /* LINUX_CDROMMULTISESSION */ 1554 /* LINUX_CDROM_GET_UPC */ 1555 1556 case LINUX_CDROMRESET: 1557 args->cmd = CDIOCRESET; 1558 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1559 break; 1560 1561 /* LINUX_CDROMVOLREAD */ 1562 /* LINUX_CDROMREADRAW */ 1563 /* LINUX_CDROMREADCOOKED */ 1564 /* LINUX_CDROMSEEK */ 1565 /* LINUX_CDROMPLAYBLK */ 1566 /* LINUX_CDROMREADALL */ 1567 /* LINUX_CDROMCLOSETRAY */ 1568 /* LINUX_CDROMLOADFROMSLOT */ 1569 /* LINUX_CDROMGETSPINDOWN */ 1570 /* LINUX_CDROMSETSPINDOWN */ 1571 /* LINUX_CDROM_SET_OPTIONS */ 1572 /* LINUX_CDROM_CLEAR_OPTIONS */ 1573 /* LINUX_CDROM_SELECT_SPEED */ 1574 /* LINUX_CDROM_SELECT_DISC */ 1575 /* LINUX_CDROM_MEDIA_CHANGED */ 1576 /* LINUX_CDROM_DRIVE_STATUS */ 1577 /* LINUX_CDROM_DISC_STATUS */ 1578 /* LINUX_CDROM_CHANGER_NSLOTS */ 1579 /* LINUX_CDROM_LOCKDOOR */ 1580 /* LINUX_CDROM_DEBUG */ 1581 /* LINUX_CDROM_GET_CAPABILITY */ 1582 /* LINUX_CDROMAUDIOBUFSIZ */ 1583 1584 case LINUX_DVD_READ_STRUCT: { 1585 l_dvd_struct *lds; 1586 struct dvd_struct *bds; 1587 1588 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1589 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1590 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1591 if (error) 1592 goto out; 1593 error = linux_to_bsd_dvd_struct(lds, bds); 1594 if (error) 1595 goto out; 1596 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1597 td->td_ucred, td); 1598 if (error) 1599 goto out; 1600 error = bsd_to_linux_dvd_struct(bds, lds); 1601 if (error) 1602 goto out; 1603 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1604 out: 1605 free(bds, M_LINUX); 1606 free(lds, M_LINUX); 1607 break; 1608 } 1609 1610 /* LINUX_DVD_WRITE_STRUCT */ 1611 1612 case LINUX_DVD_AUTH: { 1613 l_dvd_authinfo lda; 1614 struct dvd_authinfo bda; 1615 int bcode; 1616 1617 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1618 if (error) 1619 break; 1620 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1621 if (error) 1622 break; 1623 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1624 td); 1625 if (error) { 1626 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1627 lda.type = LINUX_DVD_AUTH_FAILURE; 1628 copyout(&lda, (void *)args->arg, sizeof(lda)); 1629 } 1630 break; 1631 } 1632 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1633 if (error) 1634 break; 1635 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1636 break; 1637 } 1638 1639 case LINUX_SCSI_GET_BUS_NUMBER: 1640 case LINUX_SCSI_GET_IDLUN: 1641 error = linux_ioctl_sg(td, args); 1642 break; 1643 1644 /* LINUX_CDROM_SEND_PACKET */ 1645 /* LINUX_CDROM_NEXT_WRITABLE */ 1646 /* LINUX_CDROM_LAST_WRITTEN */ 1647 1648 default: 1649 error = ENOIOCTL; 1650 break; 1651 } 1652 1653 fdrop(fp, td); 1654 return (error); 1655 } 1656 1657 static int 1658 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1659 { 1660 1661 return (ENOTTY); 1662 } 1663 1664 /* 1665 * Sound related ioctls 1666 */ 1667 1668 struct linux_mixer_info { 1669 char id[16]; 1670 char name[32]; 1671 int modify_counter; 1672 int fillers[10]; 1673 }; 1674 1675 struct linux_old_mixer_info { 1676 char id[16]; 1677 char name[32]; 1678 }; 1679 1680 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1681 1682 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1683 1684 static int 1685 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1686 { 1687 1688 switch (args->cmd & 0xffff) { 1689 1690 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1691 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1692 return (sys_ioctl(td, (struct ioctl_args *)args)); 1693 1694 case LINUX_SOUND_MIXER_WRITE_BASS: 1695 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1696 return (sys_ioctl(td, (struct ioctl_args *)args)); 1697 1698 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1699 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1700 return (sys_ioctl(td, (struct ioctl_args *)args)); 1701 1702 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1704 return (sys_ioctl(td, (struct ioctl_args *)args)); 1705 1706 case LINUX_SOUND_MIXER_WRITE_PCM: 1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1708 return (sys_ioctl(td, (struct ioctl_args *)args)); 1709 1710 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1712 return (sys_ioctl(td, (struct ioctl_args *)args)); 1713 1714 case LINUX_SOUND_MIXER_WRITE_LINE: 1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1716 return (sys_ioctl(td, (struct ioctl_args *)args)); 1717 1718 case LINUX_SOUND_MIXER_WRITE_MIC: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1720 return (sys_ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_CD: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1724 return (sys_ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_IMIX: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1728 return (sys_ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1732 return (sys_ioctl(td, (struct ioctl_args *)args)); 1733 1734 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1736 return (sys_ioctl(td, (struct ioctl_args *)args)); 1737 1738 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1740 return (sys_ioctl(td, (struct ioctl_args *)args)); 1741 1742 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1744 return (sys_ioctl(td, (struct ioctl_args *)args)); 1745 1746 case LINUX_SOUND_MIXER_WRITE_LINE1: 1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1748 return (sys_ioctl(td, (struct ioctl_args *)args)); 1749 1750 case LINUX_SOUND_MIXER_WRITE_LINE2: 1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1752 return (sys_ioctl(td, (struct ioctl_args *)args)); 1753 1754 case LINUX_SOUND_MIXER_WRITE_LINE3: 1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1756 return (sys_ioctl(td, (struct ioctl_args *)args)); 1757 1758 case LINUX_SOUND_MIXER_INFO: { 1759 /* Key on encoded length */ 1760 switch ((args->cmd >> 16) & 0x1fff) { 1761 case 0x005c: { /* SOUND_MIXER_INFO */ 1762 struct linux_mixer_info info; 1763 bzero(&info, sizeof(info)); 1764 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1765 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1766 copyout(&info, (void *)args->arg, sizeof(info)); 1767 return (0); 1768 } 1769 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1770 struct linux_old_mixer_info info; 1771 bzero(&info, sizeof(info)); 1772 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1773 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1774 copyout(&info, (void *)args->arg, sizeof(info)); 1775 return (0); 1776 } 1777 default: 1778 return (ENOIOCTL); 1779 } 1780 break; 1781 } 1782 1783 case LINUX_OSS_GETVERSION: { 1784 int version = linux_get_oss_version(td); 1785 return (copyout(&version, (void *)args->arg, sizeof(int))); 1786 } 1787 1788 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1789 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1790 return (sys_ioctl(td, (struct ioctl_args *)args)); 1791 1792 case LINUX_SOUND_MIXER_READ_CAPS: 1793 args->cmd = SOUND_MIXER_READ_CAPS; 1794 return (sys_ioctl(td, (struct ioctl_args *)args)); 1795 1796 case LINUX_SOUND_MIXER_READ_RECMASK: 1797 args->cmd = SOUND_MIXER_READ_RECMASK; 1798 return (sys_ioctl(td, (struct ioctl_args *)args)); 1799 1800 case LINUX_SOUND_MIXER_READ_DEVMASK: 1801 args->cmd = SOUND_MIXER_READ_DEVMASK; 1802 return (sys_ioctl(td, (struct ioctl_args *)args)); 1803 1804 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1805 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1806 return (sys_ioctl(td, (struct ioctl_args *)args)); 1807 1808 case LINUX_SNDCTL_DSP_RESET: 1809 args->cmd = SNDCTL_DSP_RESET; 1810 return (sys_ioctl(td, (struct ioctl_args *)args)); 1811 1812 case LINUX_SNDCTL_DSP_SYNC: 1813 args->cmd = SNDCTL_DSP_SYNC; 1814 return (sys_ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SNDCTL_DSP_SPEED: 1817 args->cmd = SNDCTL_DSP_SPEED; 1818 return (sys_ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SNDCTL_DSP_STEREO: 1821 args->cmd = SNDCTL_DSP_STEREO; 1822 return (sys_ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1825 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1826 return (sys_ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SNDCTL_DSP_SETFMT: 1829 args->cmd = SNDCTL_DSP_SETFMT; 1830 return (sys_ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1833 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1834 return (sys_ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SOUND_PCM_WRITE_FILTER: 1837 args->cmd = SOUND_PCM_WRITE_FILTER; 1838 return (sys_ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SNDCTL_DSP_POST: 1841 args->cmd = SNDCTL_DSP_POST; 1842 return (sys_ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1845 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1846 return (sys_ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1849 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1850 return (sys_ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SNDCTL_DSP_GETFMTS: 1853 args->cmd = SNDCTL_DSP_GETFMTS; 1854 return (sys_ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SNDCTL_DSP_GETOSPACE: 1857 args->cmd = SNDCTL_DSP_GETOSPACE; 1858 return (sys_ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SNDCTL_DSP_GETISPACE: 1861 args->cmd = SNDCTL_DSP_GETISPACE; 1862 return (sys_ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_DSP_NONBLOCK: 1865 args->cmd = SNDCTL_DSP_NONBLOCK; 1866 return (sys_ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_DSP_GETCAPS: 1869 args->cmd = SNDCTL_DSP_GETCAPS; 1870 return (sys_ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1873 args->cmd = SNDCTL_DSP_SETTRIGGER; 1874 return (sys_ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_DSP_GETIPTR: 1877 args->cmd = SNDCTL_DSP_GETIPTR; 1878 return (sys_ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_DSP_GETOPTR: 1881 args->cmd = SNDCTL_DSP_GETOPTR; 1882 return (sys_ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_DSP_SETDUPLEX: 1885 args->cmd = SNDCTL_DSP_SETDUPLEX; 1886 return (sys_ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_DSP_GETODELAY: 1889 args->cmd = SNDCTL_DSP_GETODELAY; 1890 return (sys_ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_SEQ_RESET: 1893 args->cmd = SNDCTL_SEQ_RESET; 1894 return (sys_ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_SEQ_SYNC: 1897 args->cmd = SNDCTL_SEQ_SYNC; 1898 return (sys_ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_SYNTH_INFO: 1901 args->cmd = SNDCTL_SYNTH_INFO; 1902 return (sys_ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_SEQ_CTRLRATE: 1905 args->cmd = SNDCTL_SEQ_CTRLRATE; 1906 return (sys_ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1909 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1910 return (sys_ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1913 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1914 return (sys_ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SEQ_PERCMODE: 1917 args->cmd = SNDCTL_SEQ_PERCMODE; 1918 return (sys_ioctl(td, (struct ioctl_args *)args)); 1919 1920 case LINUX_SNDCTL_FM_LOAD_INSTR: 1921 args->cmd = SNDCTL_FM_LOAD_INSTR; 1922 return (sys_ioctl(td, (struct ioctl_args *)args)); 1923 1924 case LINUX_SNDCTL_SEQ_TESTMIDI: 1925 args->cmd = SNDCTL_SEQ_TESTMIDI; 1926 return (sys_ioctl(td, (struct ioctl_args *)args)); 1927 1928 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1929 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1930 return (sys_ioctl(td, (struct ioctl_args *)args)); 1931 1932 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1933 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1934 return (sys_ioctl(td, (struct ioctl_args *)args)); 1935 1936 case LINUX_SNDCTL_SEQ_NRMIDIS: 1937 args->cmd = SNDCTL_SEQ_NRMIDIS; 1938 return (sys_ioctl(td, (struct ioctl_args *)args)); 1939 1940 case LINUX_SNDCTL_MIDI_INFO: 1941 args->cmd = SNDCTL_MIDI_INFO; 1942 return (sys_ioctl(td, (struct ioctl_args *)args)); 1943 1944 case LINUX_SNDCTL_SEQ_TRESHOLD: 1945 args->cmd = SNDCTL_SEQ_TRESHOLD; 1946 return (sys_ioctl(td, (struct ioctl_args *)args)); 1947 1948 case LINUX_SNDCTL_SYNTH_MEMAVL: 1949 args->cmd = SNDCTL_SYNTH_MEMAVL; 1950 return (sys_ioctl(td, (struct ioctl_args *)args)); 1951 1952 } 1953 1954 return (ENOIOCTL); 1955 } 1956 1957 /* 1958 * Console related ioctls 1959 */ 1960 1961 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1962 1963 static int 1964 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1965 { 1966 struct file *fp; 1967 int error; 1968 1969 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 1970 return (error); 1971 switch (args->cmd & 0xffff) { 1972 1973 case LINUX_KIOCSOUND: 1974 args->cmd = KIOCSOUND; 1975 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1976 break; 1977 1978 case LINUX_KDMKTONE: 1979 args->cmd = KDMKTONE; 1980 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1981 break; 1982 1983 case LINUX_KDGETLED: 1984 args->cmd = KDGETLED; 1985 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1986 break; 1987 1988 case LINUX_KDSETLED: 1989 args->cmd = KDSETLED; 1990 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1991 break; 1992 1993 case LINUX_KDSETMODE: 1994 args->cmd = KDSETMODE; 1995 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1996 break; 1997 1998 case LINUX_KDGETMODE: 1999 args->cmd = KDGETMODE; 2000 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2001 break; 2002 2003 case LINUX_KDGKBMODE: 2004 args->cmd = KDGKBMODE; 2005 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2006 break; 2007 2008 case LINUX_KDSKBMODE: { 2009 int kbdmode; 2010 switch (args->arg) { 2011 case LINUX_KBD_RAW: 2012 kbdmode = K_RAW; 2013 break; 2014 case LINUX_KBD_XLATE: 2015 kbdmode = K_XLATE; 2016 break; 2017 case LINUX_KBD_MEDIUMRAW: 2018 kbdmode = K_RAW; 2019 break; 2020 default: 2021 fdrop(fp, td); 2022 return (EINVAL); 2023 } 2024 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2025 td->td_ucred, td)); 2026 break; 2027 } 2028 2029 case LINUX_VT_OPENQRY: 2030 args->cmd = VT_OPENQRY; 2031 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2032 break; 2033 2034 case LINUX_VT_GETMODE: 2035 args->cmd = VT_GETMODE; 2036 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2037 break; 2038 2039 case LINUX_VT_SETMODE: { 2040 struct vt_mode mode; 2041 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2042 break; 2043 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig)) 2044 mode.frsig = mode.acqsig; 2045 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2046 break; 2047 args->cmd = VT_SETMODE; 2048 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2049 break; 2050 } 2051 2052 case LINUX_VT_GETSTATE: 2053 args->cmd = VT_GETACTIVE; 2054 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2055 break; 2056 2057 case LINUX_VT_RELDISP: 2058 args->cmd = VT_RELDISP; 2059 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2060 break; 2061 2062 case LINUX_VT_ACTIVATE: 2063 args->cmd = VT_ACTIVATE; 2064 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2065 break; 2066 2067 case LINUX_VT_WAITACTIVE: 2068 args->cmd = VT_WAITACTIVE; 2069 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2070 break; 2071 2072 default: 2073 error = ENOIOCTL; 2074 break; 2075 } 2076 2077 fdrop(fp, td); 2078 return (error); 2079 } 2080 2081 /* 2082 * Criteria for interface name translation 2083 */ 2084 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2085 2086 /* 2087 * Interface function used by linprocfs (at the time of writing). It's not 2088 * used by the Linuxulator itself. 2089 */ 2090 int 2091 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 2092 { 2093 struct ifnet *ifscan; 2094 int ethno; 2095 2096 IFNET_RLOCK_ASSERT(); 2097 2098 /* Short-circuit non ethernet interfaces */ 2099 if (!IFP_IS_ETH(ifp)) 2100 return (strlcpy(buffer, ifp->if_xname, buflen)); 2101 2102 /* Determine the (relative) unit number for ethernet interfaces */ 2103 ethno = 0; 2104 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 2105 if (ifscan == ifp) 2106 return (snprintf(buffer, buflen, "eth%d", ethno)); 2107 if (IFP_IS_ETH(ifscan)) 2108 ethno++; 2109 } 2110 2111 return (0); 2112 } 2113 2114 /* 2115 * Translate a Linux interface name to a FreeBSD interface name, 2116 * and return the associated ifnet structure 2117 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2118 * can point to the same buffer. 2119 */ 2120 2121 static struct ifnet * 2122 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2123 { 2124 struct ifnet *ifp; 2125 int len, unit; 2126 char *ep; 2127 int is_eth, index; 2128 2129 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2130 if (!isalpha(lxname[len])) 2131 break; 2132 if (len == 0 || len == LINUX_IFNAMSIZ) 2133 return (NULL); 2134 unit = (int)strtoul(lxname + len, &ep, 10); 2135 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2136 return (NULL); 2137 index = 0; 2138 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2139 CURVNET_SET(TD_TO_VNET(td)); 2140 IFNET_RLOCK(); 2141 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2142 /* 2143 * Allow Linux programs to use FreeBSD names. Don't presume 2144 * we never have an interface named "eth", so don't make 2145 * the test optional based on is_eth. 2146 */ 2147 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2148 break; 2149 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2150 break; 2151 } 2152 IFNET_RUNLOCK(); 2153 CURVNET_RESTORE(); 2154 if (ifp != NULL) 2155 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2156 return (ifp); 2157 } 2158 2159 /* 2160 * Implement the SIOCGIFCONF ioctl 2161 */ 2162 2163 static int 2164 linux_ifconf(struct thread *td, struct ifconf *uifc) 2165 { 2166 #ifdef COMPAT_LINUX32 2167 struct l_ifconf ifc; 2168 #else 2169 struct ifconf ifc; 2170 #endif 2171 struct l_ifreq ifr; 2172 struct ifnet *ifp; 2173 struct ifaddr *ifa; 2174 struct sbuf *sb; 2175 int error, ethno, full = 0, valid_len, max_len; 2176 2177 error = copyin(uifc, &ifc, sizeof(ifc)); 2178 if (error != 0) 2179 return (error); 2180 2181 max_len = MAXPHYS - 1; 2182 2183 CURVNET_SET(TD_TO_VNET(td)); 2184 /* handle the 'request buffer size' case */ 2185 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2186 ifc.ifc_len = 0; 2187 IFNET_RLOCK(); 2188 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2189 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2190 struct sockaddr *sa = ifa->ifa_addr; 2191 if (sa->sa_family == AF_INET) 2192 ifc.ifc_len += sizeof(ifr); 2193 } 2194 } 2195 IFNET_RUNLOCK(); 2196 error = copyout(&ifc, uifc, sizeof(ifc)); 2197 CURVNET_RESTORE(); 2198 return (error); 2199 } 2200 2201 if (ifc.ifc_len <= 0) { 2202 CURVNET_RESTORE(); 2203 return (EINVAL); 2204 } 2205 2206 again: 2207 /* Keep track of eth interfaces */ 2208 ethno = 0; 2209 if (ifc.ifc_len <= max_len) { 2210 max_len = ifc.ifc_len; 2211 full = 1; 2212 } 2213 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2214 max_len = 0; 2215 valid_len = 0; 2216 2217 /* Return all AF_INET addresses of all interfaces */ 2218 IFNET_RLOCK(); 2219 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2220 int addrs = 0; 2221 2222 bzero(&ifr, sizeof(ifr)); 2223 if (IFP_IS_ETH(ifp)) 2224 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2225 ethno++); 2226 else 2227 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2228 2229 /* Walk the address list */ 2230 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2231 struct sockaddr *sa = ifa->ifa_addr; 2232 2233 if (sa->sa_family == AF_INET) { 2234 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2235 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2236 sizeof(ifr.ifr_addr.sa_data)); 2237 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2238 max_len += sizeof(ifr); 2239 addrs++; 2240 } 2241 2242 if (sbuf_error(sb) == 0) 2243 valid_len = sbuf_len(sb); 2244 } 2245 if (addrs == 0) { 2246 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2247 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2248 max_len += sizeof(ifr); 2249 2250 if (sbuf_error(sb) == 0) 2251 valid_len = sbuf_len(sb); 2252 } 2253 } 2254 IFNET_RUNLOCK(); 2255 2256 if (valid_len != max_len && !full) { 2257 sbuf_delete(sb); 2258 goto again; 2259 } 2260 2261 ifc.ifc_len = valid_len; 2262 sbuf_finish(sb); 2263 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2264 if (error == 0) 2265 error = copyout(&ifc, uifc, sizeof(ifc)); 2266 sbuf_delete(sb); 2267 CURVNET_RESTORE(); 2268 2269 return (error); 2270 } 2271 2272 static int 2273 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2274 { 2275 l_short flags; 2276 2277 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2278 /* these flags have no Linux equivalent */ 2279 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2280 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2281 /* Linux' multicast flag is in a different bit */ 2282 if (flags & IFF_MULTICAST) { 2283 flags &= ~IFF_MULTICAST; 2284 flags |= 0x1000; 2285 } 2286 2287 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2288 } 2289 2290 #define ARPHRD_ETHER 1 2291 #define ARPHRD_LOOPBACK 772 2292 2293 static int 2294 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2295 { 2296 struct ifaddr *ifa; 2297 struct sockaddr_dl *sdl; 2298 struct l_sockaddr lsa; 2299 2300 if (ifp->if_type == IFT_LOOP) { 2301 bzero(&lsa, sizeof(lsa)); 2302 lsa.sa_family = ARPHRD_LOOPBACK; 2303 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2304 } 2305 2306 if (ifp->if_type != IFT_ETHER) 2307 return (ENOENT); 2308 2309 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2310 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2311 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2312 (sdl->sdl_type == IFT_ETHER)) { 2313 bzero(&lsa, sizeof(lsa)); 2314 lsa.sa_family = ARPHRD_ETHER; 2315 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2316 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2317 } 2318 } 2319 2320 return (ENOENT); 2321 } 2322 2323 2324 /* 2325 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2326 * the native ioctl(). Thus, we don't really need to check the return 2327 * value of this function. 2328 */ 2329 static int 2330 bsd_to_linux_ifreq(struct ifreq *arg) 2331 { 2332 struct ifreq ifr; 2333 size_t ifr_len = sizeof(struct ifreq); 2334 int error; 2335 2336 if ((error = copyin(arg, &ifr, ifr_len))) 2337 return (error); 2338 2339 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2340 2341 error = copyout(&ifr, arg, ifr_len); 2342 2343 return (error); 2344 } 2345 2346 /* 2347 * Socket related ioctls 2348 */ 2349 2350 static int 2351 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2352 { 2353 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2354 struct ifnet *ifp; 2355 struct file *fp; 2356 int error, type; 2357 2358 ifp = NULL; 2359 error = 0; 2360 2361 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2362 return (error); 2363 type = fp->f_type; 2364 fdrop(fp, td); 2365 if (type != DTYPE_SOCKET) { 2366 /* not a socket - probably a tap / vmnet device */ 2367 switch (args->cmd) { 2368 case LINUX_SIOCGIFADDR: 2369 case LINUX_SIOCSIFADDR: 2370 case LINUX_SIOCGIFFLAGS: 2371 return (linux_ioctl_special(td, args)); 2372 default: 2373 return (ENOIOCTL); 2374 } 2375 } 2376 2377 switch (args->cmd & 0xffff) { 2378 2379 case LINUX_FIOGETOWN: 2380 case LINUX_FIOSETOWN: 2381 case LINUX_SIOCADDMULTI: 2382 case LINUX_SIOCATMARK: 2383 case LINUX_SIOCDELMULTI: 2384 case LINUX_SIOCGIFCONF: 2385 case LINUX_SIOCGPGRP: 2386 case LINUX_SIOCSPGRP: 2387 case LINUX_SIOCGIFCOUNT: 2388 /* these ioctls don't take an interface name */ 2389 #ifdef DEBUG 2390 printf("%s(): ioctl %d\n", __func__, 2391 args->cmd & 0xffff); 2392 #endif 2393 break; 2394 2395 case LINUX_SIOCGIFFLAGS: 2396 case LINUX_SIOCGIFADDR: 2397 case LINUX_SIOCSIFADDR: 2398 case LINUX_SIOCGIFDSTADDR: 2399 case LINUX_SIOCGIFBRDADDR: 2400 case LINUX_SIOCGIFNETMASK: 2401 case LINUX_SIOCSIFNETMASK: 2402 case LINUX_SIOCGIFMTU: 2403 case LINUX_SIOCSIFMTU: 2404 case LINUX_SIOCSIFNAME: 2405 case LINUX_SIOCGIFHWADDR: 2406 case LINUX_SIOCSIFHWADDR: 2407 case LINUX_SIOCDEVPRIVATE: 2408 case LINUX_SIOCDEVPRIVATE+1: 2409 case LINUX_SIOCGIFINDEX: 2410 /* copy in the interface name and translate it. */ 2411 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2412 if (error != 0) 2413 return (error); 2414 #ifdef DEBUG 2415 printf("%s(): ioctl %d on %.*s\n", __func__, 2416 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2417 #endif 2418 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2419 if (ifp == NULL) 2420 return (EINVAL); 2421 /* 2422 * We need to copy it back out in case we pass the 2423 * request on to our native ioctl(), which will expect 2424 * the ifreq to be in user space and have the correct 2425 * interface name. 2426 */ 2427 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2428 if (error != 0) 2429 return (error); 2430 #ifdef DEBUG 2431 printf("%s(): %s translated to %s\n", __func__, 2432 lifname, ifname); 2433 #endif 2434 break; 2435 2436 default: 2437 return (ENOIOCTL); 2438 } 2439 2440 switch (args->cmd & 0xffff) { 2441 2442 case LINUX_FIOSETOWN: 2443 args->cmd = FIOSETOWN; 2444 error = sys_ioctl(td, (struct ioctl_args *)args); 2445 break; 2446 2447 case LINUX_SIOCSPGRP: 2448 args->cmd = SIOCSPGRP; 2449 error = sys_ioctl(td, (struct ioctl_args *)args); 2450 break; 2451 2452 case LINUX_FIOGETOWN: 2453 args->cmd = FIOGETOWN; 2454 error = sys_ioctl(td, (struct ioctl_args *)args); 2455 break; 2456 2457 case LINUX_SIOCGPGRP: 2458 args->cmd = SIOCGPGRP; 2459 error = sys_ioctl(td, (struct ioctl_args *)args); 2460 break; 2461 2462 case LINUX_SIOCATMARK: 2463 args->cmd = SIOCATMARK; 2464 error = sys_ioctl(td, (struct ioctl_args *)args); 2465 break; 2466 2467 /* LINUX_SIOCGSTAMP */ 2468 2469 case LINUX_SIOCGIFCONF: 2470 error = linux_ifconf(td, (struct ifconf *)args->arg); 2471 break; 2472 2473 case LINUX_SIOCGIFFLAGS: 2474 args->cmd = SIOCGIFFLAGS; 2475 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2476 break; 2477 2478 case LINUX_SIOCGIFADDR: 2479 args->cmd = SIOCGIFADDR; 2480 error = sys_ioctl(td, (struct ioctl_args *)args); 2481 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2482 break; 2483 2484 case LINUX_SIOCSIFADDR: 2485 /* XXX probably doesn't work, included for completeness */ 2486 args->cmd = SIOCSIFADDR; 2487 error = sys_ioctl(td, (struct ioctl_args *)args); 2488 break; 2489 2490 case LINUX_SIOCGIFDSTADDR: 2491 args->cmd = SIOCGIFDSTADDR; 2492 error = sys_ioctl(td, (struct ioctl_args *)args); 2493 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2494 break; 2495 2496 case LINUX_SIOCGIFBRDADDR: 2497 args->cmd = SIOCGIFBRDADDR; 2498 error = sys_ioctl(td, (struct ioctl_args *)args); 2499 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2500 break; 2501 2502 case LINUX_SIOCGIFNETMASK: 2503 args->cmd = SIOCGIFNETMASK; 2504 error = sys_ioctl(td, (struct ioctl_args *)args); 2505 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2506 break; 2507 2508 case LINUX_SIOCSIFNETMASK: 2509 error = ENOIOCTL; 2510 break; 2511 2512 case LINUX_SIOCGIFMTU: 2513 args->cmd = SIOCGIFMTU; 2514 error = sys_ioctl(td, (struct ioctl_args *)args); 2515 break; 2516 2517 case LINUX_SIOCSIFMTU: 2518 args->cmd = SIOCSIFMTU; 2519 error = sys_ioctl(td, (struct ioctl_args *)args); 2520 break; 2521 2522 case LINUX_SIOCSIFNAME: 2523 error = ENOIOCTL; 2524 break; 2525 2526 case LINUX_SIOCGIFHWADDR: 2527 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2528 break; 2529 2530 case LINUX_SIOCSIFHWADDR: 2531 error = ENOIOCTL; 2532 break; 2533 2534 case LINUX_SIOCADDMULTI: 2535 args->cmd = SIOCADDMULTI; 2536 error = sys_ioctl(td, (struct ioctl_args *)args); 2537 break; 2538 2539 case LINUX_SIOCDELMULTI: 2540 args->cmd = SIOCDELMULTI; 2541 error = sys_ioctl(td, (struct ioctl_args *)args); 2542 break; 2543 2544 case LINUX_SIOCGIFINDEX: 2545 args->cmd = SIOCGIFINDEX; 2546 error = sys_ioctl(td, (struct ioctl_args *)args); 2547 break; 2548 2549 case LINUX_SIOCGIFCOUNT: 2550 error = 0; 2551 break; 2552 2553 /* 2554 * XXX This is slightly bogus, but these ioctls are currently 2555 * XXX only used by the aironet (if_an) network driver. 2556 */ 2557 case LINUX_SIOCDEVPRIVATE: 2558 args->cmd = SIOCGPRIVATE_0; 2559 error = sys_ioctl(td, (struct ioctl_args *)args); 2560 break; 2561 2562 case LINUX_SIOCDEVPRIVATE+1: 2563 args->cmd = SIOCGPRIVATE_1; 2564 error = sys_ioctl(td, (struct ioctl_args *)args); 2565 break; 2566 } 2567 2568 if (ifp != NULL) 2569 /* restore the original interface name */ 2570 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2571 2572 #ifdef DEBUG 2573 printf("%s(): returning %d\n", __func__, error); 2574 #endif 2575 return (error); 2576 } 2577 2578 /* 2579 * Device private ioctl handler 2580 */ 2581 static int 2582 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2583 { 2584 struct file *fp; 2585 int error, type; 2586 2587 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2588 return (error); 2589 type = fp->f_type; 2590 fdrop(fp, td); 2591 if (type == DTYPE_SOCKET) 2592 return (linux_ioctl_socket(td, args)); 2593 return (ENOIOCTL); 2594 } 2595 2596 /* 2597 * DRM ioctl handler (sys/dev/drm) 2598 */ 2599 static int 2600 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2601 { 2602 args->cmd = SETDIR(args->cmd); 2603 return sys_ioctl(td, (struct ioctl_args *)args); 2604 } 2605 2606 static int 2607 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2608 { 2609 struct file *fp; 2610 u_long cmd; 2611 int error; 2612 2613 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) { 2614 printf("sg_linux_ioctl: fget returned %d\n", error); 2615 return (error); 2616 } 2617 cmd = args->cmd; 2618 2619 error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td)); 2620 fdrop(fp, td); 2621 return (error); 2622 } 2623 2624 /* 2625 * Video4Linux (V4L) ioctl handler 2626 */ 2627 static int 2628 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2629 { 2630 vt->tuner = lvt->tuner; 2631 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2632 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2633 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2634 vt->flags = lvt->flags; 2635 vt->mode = lvt->mode; 2636 vt->signal = lvt->signal; 2637 return (0); 2638 } 2639 2640 static int 2641 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2642 { 2643 lvt->tuner = vt->tuner; 2644 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2645 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2646 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2647 lvt->flags = vt->flags; 2648 lvt->mode = vt->mode; 2649 lvt->signal = vt->signal; 2650 return (0); 2651 } 2652 2653 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2654 static int 2655 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2656 { 2657 vc->x = lvc->x; 2658 vc->y = lvc->y; 2659 vc->width = lvc->width; 2660 vc->height = lvc->height; 2661 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2662 return (0); 2663 } 2664 #endif 2665 2666 static int 2667 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2668 { 2669 vw->x = lvw->x; 2670 vw->y = lvw->y; 2671 vw->width = lvw->width; 2672 vw->height = lvw->height; 2673 vw->chromakey = lvw->chromakey; 2674 vw->flags = lvw->flags; 2675 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2676 vw->clipcount = lvw->clipcount; 2677 return (0); 2678 } 2679 2680 static int 2681 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2682 { 2683 lvw->x = vw->x; 2684 lvw->y = vw->y; 2685 lvw->width = vw->width; 2686 lvw->height = vw->height; 2687 lvw->chromakey = vw->chromakey; 2688 lvw->flags = vw->flags; 2689 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2690 lvw->clipcount = vw->clipcount; 2691 return (0); 2692 } 2693 2694 static int 2695 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2696 { 2697 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2698 vb->height = lvb->height; 2699 vb->width = lvb->width; 2700 vb->depth = lvb->depth; 2701 vb->bytesperline = lvb->bytesperline; 2702 return (0); 2703 } 2704 2705 static int 2706 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2707 { 2708 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2709 lvb->height = vb->height; 2710 lvb->width = vb->width; 2711 lvb->depth = vb->depth; 2712 lvb->bytesperline = vb->bytesperline; 2713 return (0); 2714 } 2715 2716 static int 2717 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2718 { 2719 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2720 vc->datasize = lvc->datasize; 2721 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2722 return (0); 2723 } 2724 2725 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2726 static int 2727 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2728 { 2729 int error; 2730 struct video_clip vclip; 2731 struct l_video_clip l_vclip; 2732 2733 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2734 if (error) return (error); 2735 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2736 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2737 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2738 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2739 memcpy(*ppvc, &vclip, sizeof(vclip)); 2740 (*ppvc)->next = NULL; 2741 return (0); 2742 } 2743 2744 static int 2745 linux_v4l_cliplist_free(struct video_window *vw) 2746 { 2747 struct video_clip **ppvc; 2748 struct video_clip **ppvc_next; 2749 2750 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2751 ppvc_next = &((*ppvc)->next); 2752 free(*ppvc, M_LINUX); 2753 } 2754 vw->clips = NULL; 2755 2756 return (0); 2757 } 2758 2759 static int 2760 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2761 { 2762 int error; 2763 int clipcount; 2764 void *plvc; 2765 struct video_clip **ppvc; 2766 2767 /* 2768 * XXX: The cliplist is used to pass in a list of clipping 2769 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2770 * clipping bitmap. Some Linux apps, however, appear to 2771 * leave cliplist and clips uninitialized. In any case, 2772 * the cliplist is not used by pwc(4), at the time of 2773 * writing, FreeBSD's only V4L driver. When a driver 2774 * that uses the cliplist is developed, this code may 2775 * need re-examiniation. 2776 */ 2777 error = 0; 2778 clipcount = vw->clipcount; 2779 if (clipcount == VIDEO_CLIP_BITMAP) { 2780 /* 2781 * In this case, the pointer (clips) is overloaded 2782 * to be a "void *" to a bitmap, therefore there 2783 * is no struct video_clip to copy now. 2784 */ 2785 } else if (clipcount > 0 && clipcount <= 16384) { 2786 /* 2787 * Clips points to list of clip rectangles, so 2788 * copy the list. 2789 * 2790 * XXX: Upper limit of 16384 was used here to try to 2791 * avoid cases when clipcount and clips pointer 2792 * are uninitialized and therefore have high random 2793 * values, as is the case in the Linux Skype 2794 * application. The value 16384 was chosen as that 2795 * is what is used in the Linux stradis(4) MPEG 2796 * decoder driver, the only place we found an 2797 * example of cliplist use. 2798 */ 2799 plvc = PTRIN(lvw->clips); 2800 vw->clips = NULL; 2801 ppvc = &(vw->clips); 2802 while (clipcount-- > 0) { 2803 if (plvc == 0) { 2804 error = EFAULT; 2805 break; 2806 } else { 2807 error = linux_v4l_clip_copy(plvc, ppvc); 2808 if (error) { 2809 linux_v4l_cliplist_free(vw); 2810 break; 2811 } 2812 } 2813 ppvc = &((*ppvc)->next); 2814 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2815 } 2816 } else { 2817 /* 2818 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2819 * Force cliplist to null. 2820 */ 2821 vw->clipcount = 0; 2822 vw->clips = NULL; 2823 } 2824 return (error); 2825 } 2826 #endif 2827 2828 static int 2829 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2830 { 2831 struct file *fp; 2832 int error; 2833 struct video_tuner vtun; 2834 struct video_window vwin; 2835 struct video_buffer vbuf; 2836 struct video_code vcode; 2837 struct l_video_tuner l_vtun; 2838 struct l_video_window l_vwin; 2839 struct l_video_buffer l_vbuf; 2840 struct l_video_code l_vcode; 2841 2842 switch (args->cmd & 0xffff) { 2843 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2844 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2845 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2846 2847 case LINUX_VIDIOCGTUNER: 2848 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2849 return (error); 2850 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2851 if (error) { 2852 fdrop(fp, td); 2853 return (error); 2854 } 2855 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2856 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2857 if (!error) { 2858 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2859 error = copyout(&l_vtun, (void *) args->arg, 2860 sizeof(l_vtun)); 2861 } 2862 fdrop(fp, td); 2863 return (error); 2864 2865 case LINUX_VIDIOCSTUNER: 2866 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2867 return (error); 2868 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2869 if (error) { 2870 fdrop(fp, td); 2871 return (error); 2872 } 2873 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2874 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2875 fdrop(fp, td); 2876 return (error); 2877 2878 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2879 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2880 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2881 2882 case LINUX_VIDIOCGWIN: 2883 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2884 return (error); 2885 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2886 if (!error) { 2887 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2888 error = copyout(&l_vwin, (void *) args->arg, 2889 sizeof(l_vwin)); 2890 } 2891 fdrop(fp, td); 2892 return (error); 2893 2894 case LINUX_VIDIOCSWIN: 2895 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2896 return (error); 2897 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2898 if (error) { 2899 fdrop(fp, td); 2900 return (error); 2901 } 2902 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2903 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2904 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2905 if (error) { 2906 fdrop(fp, td); 2907 return (error); 2908 } 2909 #endif 2910 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2911 fdrop(fp, td); 2912 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2913 linux_v4l_cliplist_free(&vwin); 2914 #endif 2915 return (error); 2916 2917 case LINUX_VIDIOCGFBUF: 2918 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2919 return (error); 2920 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2921 if (!error) { 2922 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2923 error = copyout(&l_vbuf, (void *) args->arg, 2924 sizeof(l_vbuf)); 2925 } 2926 fdrop(fp, td); 2927 return (error); 2928 2929 case LINUX_VIDIOCSFBUF: 2930 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2931 return (error); 2932 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2933 if (error) { 2934 fdrop(fp, td); 2935 return (error); 2936 } 2937 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2938 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2939 fdrop(fp, td); 2940 return (error); 2941 2942 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2943 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2944 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2945 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2946 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2947 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2948 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2949 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2950 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2951 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 2952 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 2953 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 2954 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 2955 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 2956 2957 case LINUX_VIDIOCSMICROCODE: 2958 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 2959 return (error); 2960 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 2961 if (error) { 2962 fdrop(fp, td); 2963 return (error); 2964 } 2965 linux_to_bsd_v4l_code(&l_vcode, &vcode); 2966 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 2967 fdrop(fp, td); 2968 return (error); 2969 2970 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 2971 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 2972 default: return (ENOIOCTL); 2973 } 2974 2975 error = sys_ioctl(td, (struct ioctl_args *)args); 2976 return (error); 2977 } 2978 2979 /* 2980 * Special ioctl handler 2981 */ 2982 static int 2983 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2984 { 2985 int error; 2986 2987 switch (args->cmd) { 2988 case LINUX_SIOCGIFADDR: 2989 args->cmd = SIOCGIFADDR; 2990 error = sys_ioctl(td, (struct ioctl_args *)args); 2991 break; 2992 case LINUX_SIOCSIFADDR: 2993 args->cmd = SIOCSIFADDR; 2994 error = sys_ioctl(td, (struct ioctl_args *)args); 2995 break; 2996 case LINUX_SIOCGIFFLAGS: 2997 args->cmd = SIOCGIFFLAGS; 2998 error = sys_ioctl(td, (struct ioctl_args *)args); 2999 break; 3000 default: 3001 error = ENOIOCTL; 3002 } 3003 3004 return (error); 3005 } 3006 3007 static int 3008 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3009 { 3010 vstd->index = lvstd->index; 3011 vstd->id = lvstd->id; 3012 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3013 return (0); 3014 } 3015 3016 static int 3017 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3018 { 3019 lvstd->index = vstd->index; 3020 lvstd->id = vstd->id; 3021 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3022 return (0); 3023 } 3024 3025 static int 3026 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3027 { 3028 vb->index = lvb->index; 3029 vb->type = lvb->type; 3030 vb->bytesused = lvb->bytesused; 3031 vb->flags = lvb->flags; 3032 vb->field = lvb->field; 3033 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3034 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3035 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3036 vb->sequence = lvb->sequence; 3037 vb->memory = lvb->memory; 3038 if (lvb->memory == V4L2_MEMORY_USERPTR) 3039 /* possible pointer size conversion */ 3040 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3041 else 3042 vb->m.offset = lvb->m.offset; 3043 vb->length = lvb->length; 3044 vb->input = lvb->input; 3045 vb->reserved = lvb->reserved; 3046 return (0); 3047 } 3048 3049 static int 3050 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3051 { 3052 lvb->index = vb->index; 3053 lvb->type = vb->type; 3054 lvb->bytesused = vb->bytesused; 3055 lvb->flags = vb->flags; 3056 lvb->field = vb->field; 3057 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3058 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3059 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3060 lvb->sequence = vb->sequence; 3061 lvb->memory = vb->memory; 3062 if (vb->memory == V4L2_MEMORY_USERPTR) 3063 /* possible pointer size conversion */ 3064 lvb->m.userptr = PTROUT(vb->m.userptr); 3065 else 3066 lvb->m.offset = vb->m.offset; 3067 lvb->length = vb->length; 3068 lvb->input = vb->input; 3069 lvb->reserved = vb->reserved; 3070 return (0); 3071 } 3072 3073 static int 3074 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3075 { 3076 vf->type = lvf->type; 3077 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3078 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3079 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3080 #endif 3081 ) 3082 /* 3083 * XXX TODO - needs 32 -> 64 bit conversion: 3084 * (unused by webcams?) 3085 */ 3086 return EINVAL; 3087 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3088 return 0; 3089 } 3090 3091 static int 3092 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3093 { 3094 lvf->type = vf->type; 3095 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3096 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3097 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3098 #endif 3099 ) 3100 /* 3101 * XXX TODO - needs 32 -> 64 bit conversion: 3102 * (unused by webcams?) 3103 */ 3104 return EINVAL; 3105 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3106 return 0; 3107 } 3108 static int 3109 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3110 { 3111 struct file *fp; 3112 int error; 3113 struct v4l2_format vformat; 3114 struct l_v4l2_format l_vformat; 3115 struct v4l2_standard vstd; 3116 struct l_v4l2_standard l_vstd; 3117 struct l_v4l2_buffer l_vbuf; 3118 struct v4l2_buffer vbuf; 3119 struct v4l2_input vinp; 3120 3121 switch (args->cmd & 0xffff) { 3122 case LINUX_VIDIOC_RESERVED: 3123 case LINUX_VIDIOC_LOG_STATUS: 3124 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3125 return ENOIOCTL; 3126 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3127 break; 3128 3129 case LINUX_VIDIOC_OVERLAY: 3130 case LINUX_VIDIOC_STREAMON: 3131 case LINUX_VIDIOC_STREAMOFF: 3132 case LINUX_VIDIOC_S_STD: 3133 case LINUX_VIDIOC_S_TUNER: 3134 case LINUX_VIDIOC_S_AUDIO: 3135 case LINUX_VIDIOC_S_AUDOUT: 3136 case LINUX_VIDIOC_S_MODULATOR: 3137 case LINUX_VIDIOC_S_FREQUENCY: 3138 case LINUX_VIDIOC_S_CROP: 3139 case LINUX_VIDIOC_S_JPEGCOMP: 3140 case LINUX_VIDIOC_S_PRIORITY: 3141 case LINUX_VIDIOC_DBG_S_REGISTER: 3142 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3143 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3144 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3145 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3146 break; 3147 3148 case LINUX_VIDIOC_QUERYCAP: 3149 case LINUX_VIDIOC_G_STD: 3150 case LINUX_VIDIOC_G_AUDIO: 3151 case LINUX_VIDIOC_G_INPUT: 3152 case LINUX_VIDIOC_G_OUTPUT: 3153 case LINUX_VIDIOC_G_AUDOUT: 3154 case LINUX_VIDIOC_G_JPEGCOMP: 3155 case LINUX_VIDIOC_QUERYSTD: 3156 case LINUX_VIDIOC_G_PRIORITY: 3157 case LINUX_VIDIOC_QUERY_DV_PRESET: 3158 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3159 break; 3160 3161 case LINUX_VIDIOC_ENUM_FMT: 3162 case LINUX_VIDIOC_REQBUFS: 3163 case LINUX_VIDIOC_G_PARM: 3164 case LINUX_VIDIOC_S_PARM: 3165 case LINUX_VIDIOC_G_CTRL: 3166 case LINUX_VIDIOC_S_CTRL: 3167 case LINUX_VIDIOC_G_TUNER: 3168 case LINUX_VIDIOC_QUERYCTRL: 3169 case LINUX_VIDIOC_QUERYMENU: 3170 case LINUX_VIDIOC_S_INPUT: 3171 case LINUX_VIDIOC_S_OUTPUT: 3172 case LINUX_VIDIOC_ENUMOUTPUT: 3173 case LINUX_VIDIOC_G_MODULATOR: 3174 case LINUX_VIDIOC_G_FREQUENCY: 3175 case LINUX_VIDIOC_CROPCAP: 3176 case LINUX_VIDIOC_G_CROP: 3177 case LINUX_VIDIOC_ENUMAUDIO: 3178 case LINUX_VIDIOC_ENUMAUDOUT: 3179 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3180 #ifdef VIDIOC_ENUM_FRAMESIZES 3181 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3182 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3183 case LINUX_VIDIOC_ENCODER_CMD: 3184 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3185 #endif 3186 case LINUX_VIDIOC_DBG_G_REGISTER: 3187 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3188 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3189 case LINUX_VIDIOC_S_DV_PRESET: 3190 case LINUX_VIDIOC_G_DV_PRESET: 3191 case LINUX_VIDIOC_S_DV_TIMINGS: 3192 case LINUX_VIDIOC_G_DV_TIMINGS: 3193 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3194 break; 3195 3196 case LINUX_VIDIOC_G_FMT: 3197 case LINUX_VIDIOC_S_FMT: 3198 case LINUX_VIDIOC_TRY_FMT: 3199 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3200 if (error) 3201 return (error); 3202 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 3203 return (error); 3204 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3205 error = EINVAL; 3206 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3207 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3208 td->td_ucred, td); 3209 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3210 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3211 td->td_ucred, td); 3212 else 3213 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3214 td->td_ucred, td); 3215 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3216 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3217 fdrop(fp, td); 3218 return (error); 3219 3220 case LINUX_VIDIOC_ENUMSTD: 3221 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3222 if (error) 3223 return (error); 3224 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3225 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 3226 return (error); 3227 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3228 td->td_ucred, td); 3229 if (error) { 3230 fdrop(fp, td); 3231 return (error); 3232 } 3233 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3234 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3235 fdrop(fp, td); 3236 return (error); 3237 3238 case LINUX_VIDIOC_ENUMINPUT: 3239 /* 3240 * The Linux struct l_v4l2_input differs only in size, 3241 * it has no padding at the end. 3242 */ 3243 error = copyin((void *)args->arg, &vinp, 3244 sizeof(struct l_v4l2_input)); 3245 if (error != 0) 3246 return (error); 3247 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 3248 return (error); 3249 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3250 td->td_ucred, td); 3251 if (error) { 3252 fdrop(fp, td); 3253 return (error); 3254 } 3255 error = copyout(&vinp, (void *)args->arg, 3256 sizeof(struct l_v4l2_input)); 3257 fdrop(fp, td); 3258 return (error); 3259 3260 case LINUX_VIDIOC_QUERYBUF: 3261 case LINUX_VIDIOC_QBUF: 3262 case LINUX_VIDIOC_DQBUF: 3263 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3264 if (error) 3265 return (error); 3266 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 3267 return (error); 3268 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3269 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3270 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3271 td->td_ucred, td); 3272 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3273 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3274 td->td_ucred, td); 3275 else 3276 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3277 td->td_ucred, td); 3278 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3279 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3280 fdrop(fp, td); 3281 return (error); 3282 3283 /* 3284 * XXX TODO - these need 32 -> 64 bit conversion: 3285 * (are any of them needed for webcams?) 3286 */ 3287 case LINUX_VIDIOC_G_FBUF: 3288 case LINUX_VIDIOC_S_FBUF: 3289 3290 case LINUX_VIDIOC_G_EXT_CTRLS: 3291 case LINUX_VIDIOC_S_EXT_CTRLS: 3292 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3293 3294 case LINUX_VIDIOC_DQEVENT: 3295 3296 default: return (ENOIOCTL); 3297 } 3298 3299 error = sys_ioctl(td, (struct ioctl_args *)args); 3300 return (error); 3301 } 3302 3303 /* 3304 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3305 * instead of USB* ones. This lets us to provide correct values for cmd. 3306 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3307 */ 3308 static int 3309 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3310 { 3311 int error; 3312 3313 error = 0; 3314 switch (args->cmd) { 3315 case FBSD_LUSB_DEVICEENUMERATE: 3316 args->cmd = USB_DEVICEENUMERATE; 3317 break; 3318 case FBSD_LUSB_DEV_QUIRK_ADD: 3319 args->cmd = USB_DEV_QUIRK_ADD; 3320 break; 3321 case FBSD_LUSB_DEV_QUIRK_GET: 3322 args->cmd = USB_DEV_QUIRK_GET; 3323 break; 3324 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3325 args->cmd = USB_DEV_QUIRK_REMOVE; 3326 break; 3327 case FBSD_LUSB_DO_REQUEST: 3328 args->cmd = USB_DO_REQUEST; 3329 break; 3330 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3331 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3332 break; 3333 case FBSD_LUSB_FS_CLOSE: 3334 args->cmd = USB_FS_CLOSE; 3335 break; 3336 case FBSD_LUSB_FS_COMPLETE: 3337 args->cmd = USB_FS_COMPLETE; 3338 break; 3339 case FBSD_LUSB_FS_INIT: 3340 args->cmd = USB_FS_INIT; 3341 break; 3342 case FBSD_LUSB_FS_OPEN: 3343 args->cmd = USB_FS_OPEN; 3344 break; 3345 case FBSD_LUSB_FS_START: 3346 args->cmd = USB_FS_START; 3347 break; 3348 case FBSD_LUSB_FS_STOP: 3349 args->cmd = USB_FS_STOP; 3350 break; 3351 case FBSD_LUSB_FS_UNINIT: 3352 args->cmd = USB_FS_UNINIT; 3353 break; 3354 case FBSD_LUSB_GET_CONFIG: 3355 args->cmd = USB_GET_CONFIG; 3356 break; 3357 case FBSD_LUSB_GET_DEVICEINFO: 3358 args->cmd = USB_GET_DEVICEINFO; 3359 break; 3360 case FBSD_LUSB_GET_DEVICE_DESC: 3361 args->cmd = USB_GET_DEVICE_DESC; 3362 break; 3363 case FBSD_LUSB_GET_FULL_DESC: 3364 args->cmd = USB_GET_FULL_DESC; 3365 break; 3366 case FBSD_LUSB_GET_IFACE_DRIVER: 3367 args->cmd = USB_GET_IFACE_DRIVER; 3368 break; 3369 case FBSD_LUSB_GET_PLUGTIME: 3370 args->cmd = USB_GET_PLUGTIME; 3371 break; 3372 case FBSD_LUSB_GET_POWER_MODE: 3373 args->cmd = USB_GET_POWER_MODE; 3374 break; 3375 case FBSD_LUSB_GET_REPORT_DESC: 3376 args->cmd = USB_GET_REPORT_DESC; 3377 break; 3378 case FBSD_LUSB_GET_REPORT_ID: 3379 args->cmd = USB_GET_REPORT_ID; 3380 break; 3381 case FBSD_LUSB_GET_TEMPLATE: 3382 args->cmd = USB_GET_TEMPLATE; 3383 break; 3384 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3385 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3386 break; 3387 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3388 args->cmd = USB_IFACE_DRIVER_DETACH; 3389 break; 3390 case FBSD_LUSB_QUIRK_NAME_GET: 3391 args->cmd = USB_QUIRK_NAME_GET; 3392 break; 3393 case FBSD_LUSB_READ_DIR: 3394 args->cmd = USB_READ_DIR; 3395 break; 3396 case FBSD_LUSB_SET_ALTINTERFACE: 3397 args->cmd = USB_SET_ALTINTERFACE; 3398 break; 3399 case FBSD_LUSB_SET_CONFIG: 3400 args->cmd = USB_SET_CONFIG; 3401 break; 3402 case FBSD_LUSB_SET_IMMED: 3403 args->cmd = USB_SET_IMMED; 3404 break; 3405 case FBSD_LUSB_SET_POWER_MODE: 3406 args->cmd = USB_SET_POWER_MODE; 3407 break; 3408 case FBSD_LUSB_SET_TEMPLATE: 3409 args->cmd = USB_SET_TEMPLATE; 3410 break; 3411 default: 3412 error = ENOIOCTL; 3413 } 3414 if (error != ENOIOCTL) 3415 error = sys_ioctl(td, (struct ioctl_args *)args); 3416 return (error); 3417 } 3418 3419 /* 3420 * main ioctl syscall function 3421 */ 3422 3423 int 3424 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3425 { 3426 struct file *fp; 3427 struct handler_element *he; 3428 int error, cmd; 3429 3430 #ifdef DEBUG 3431 if (ldebug(ioctl)) 3432 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3433 (unsigned long)args->cmd); 3434 #endif 3435 3436 if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) 3437 return (error); 3438 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3439 fdrop(fp, td); 3440 return (EBADF); 3441 } 3442 3443 /* Iterate over the ioctl handlers */ 3444 cmd = args->cmd & 0xffff; 3445 sx_slock(&linux_ioctl_sx); 3446 mtx_lock(&Giant); 3447 TAILQ_FOREACH(he, &handlers, list) { 3448 if (cmd >= he->low && cmd <= he->high) { 3449 error = (*he->func)(td, args); 3450 if (error != ENOIOCTL) { 3451 mtx_unlock(&Giant); 3452 sx_sunlock(&linux_ioctl_sx); 3453 fdrop(fp, td); 3454 return (error); 3455 } 3456 } 3457 } 3458 mtx_unlock(&Giant); 3459 sx_sunlock(&linux_ioctl_sx); 3460 fdrop(fp, td); 3461 3462 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3463 args->fd, (int)(args->cmd & 0xffff), 3464 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3465 3466 return (EINVAL); 3467 } 3468 3469 int 3470 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3471 { 3472 struct handler_element *he, *cur; 3473 3474 if (h == NULL || h->func == NULL) 3475 return (EINVAL); 3476 3477 /* 3478 * Reuse the element if the handler is already on the list, otherwise 3479 * create a new element. 3480 */ 3481 sx_xlock(&linux_ioctl_sx); 3482 TAILQ_FOREACH(he, &handlers, list) { 3483 if (he->func == h->func) 3484 break; 3485 } 3486 if (he == NULL) { 3487 he = malloc(sizeof(*he), 3488 M_LINUX, M_WAITOK); 3489 he->func = h->func; 3490 } else 3491 TAILQ_REMOVE(&handlers, he, list); 3492 3493 /* Initialize range information. */ 3494 he->low = h->low; 3495 he->high = h->high; 3496 he->span = h->high - h->low + 1; 3497 3498 /* Add the element to the list, sorted on span. */ 3499 TAILQ_FOREACH(cur, &handlers, list) { 3500 if (cur->span > he->span) { 3501 TAILQ_INSERT_BEFORE(cur, he, list); 3502 sx_xunlock(&linux_ioctl_sx); 3503 return (0); 3504 } 3505 } 3506 TAILQ_INSERT_TAIL(&handlers, he, list); 3507 sx_xunlock(&linux_ioctl_sx); 3508 3509 return (0); 3510 } 3511 3512 int 3513 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3514 { 3515 struct handler_element *he; 3516 3517 if (h == NULL || h->func == NULL) 3518 return (EINVAL); 3519 3520 sx_xlock(&linux_ioctl_sx); 3521 TAILQ_FOREACH(he, &handlers, list) { 3522 if (he->func == h->func) { 3523 TAILQ_REMOVE(&handlers, he, list); 3524 sx_xunlock(&linux_ioctl_sx); 3525 free(he, M_LINUX); 3526 return (0); 3527 } 3528 } 3529 sx_xunlock(&linux_ioctl_sx); 3530 3531 return (EINVAL); 3532 } 3533