Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/linux_ioctl.c
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1 /*- 2 * 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: releng/11.1/sys/compat/linux/linux_ioctl.c 333372 2018-05-08 17:14:54Z gordon $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/sysproto.h> 37 #include <sys/capsicum.h> 38 #include <sys/cdio.h> 39 #include <sys/dvdio.h> 40 #include <sys/conf.h> 41 #include <sys/disk.h> 42 #include <sys/consio.h> 43 #include <sys/ctype.h> 44 #include <sys/fcntl.h> 45 #include <sys/file.h> 46 #include <sys/filedesc.h> 47 #include <sys/filio.h> 48 #include <sys/jail.h> 49 #include <sys/kbio.h> 50 #include <sys/kernel.h> 51 #include <sys/linker_set.h> 52 #include <sys/lock.h> 53 #include <sys/malloc.h> 54 #include <sys/proc.h> 55 #include <sys/sbuf.h> 56 #include <sys/socket.h> 57 #include <sys/sockio.h> 58 #include <sys/soundcard.h> 59 #include <sys/stdint.h> 60 #include <sys/sx.h> 61 #include <sys/sysctl.h> 62 #include <sys/tty.h> 63 #include <sys/uio.h> 64 #include <sys/types.h> 65 #include <sys/mman.h> 66 #include <sys/resourcevar.h> 67 68 #include <net/if.h> 69 #include <net/if_var.h> 70 #include <net/if_dl.h> 71 #include <net/if_types.h> 72 73 #include <dev/evdev/input.h> 74 #include <dev/usb/usb_ioctl.h> 75 76 #ifdef COMPAT_LINUX32 77 #include <machine/../linux32/linux.h> 78 #include <machine/../linux32/linux32_proto.h> 79 #else 80 #include <machine/../linux/linux.h> 81 #include <machine/../linux/linux_proto.h> 82 #endif 83 84 #include <compat/linux/linux_ioctl.h> 85 #include <compat/linux/linux_mib.h> 86 #include <compat/linux/linux_socket.h> 87 #include <compat/linux/linux_timer.h> 88 #include <compat/linux/linux_util.h> 89 90 #include <contrib/v4l/videodev.h> 91 #include <compat/linux/linux_videodev_compat.h> 92 93 #include <contrib/v4l/videodev2.h> 94 #include <compat/linux/linux_videodev2_compat.h> 95 96 #include <cam/scsi/scsi_sg.h> 97 98 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 99 100 static linux_ioctl_function_t linux_ioctl_cdrom; 101 static linux_ioctl_function_t linux_ioctl_vfat; 102 static linux_ioctl_function_t linux_ioctl_console; 103 static linux_ioctl_function_t linux_ioctl_hdio; 104 static linux_ioctl_function_t linux_ioctl_disk; 105 static linux_ioctl_function_t linux_ioctl_socket; 106 static linux_ioctl_function_t linux_ioctl_sound; 107 static linux_ioctl_function_t linux_ioctl_termio; 108 static linux_ioctl_function_t linux_ioctl_private; 109 static linux_ioctl_function_t linux_ioctl_drm; 110 static linux_ioctl_function_t linux_ioctl_sg; 111 static linux_ioctl_function_t linux_ioctl_v4l; 112 static linux_ioctl_function_t linux_ioctl_v4l2; 113 static linux_ioctl_function_t linux_ioctl_special; 114 static linux_ioctl_function_t linux_ioctl_fbsd_usb; 115 static linux_ioctl_function_t linux_ioctl_evdev; 116 117 static struct linux_ioctl_handler cdrom_handler = 118 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 119 static struct linux_ioctl_handler vfat_handler = 120 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 121 static struct linux_ioctl_handler console_handler = 122 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 123 static struct linux_ioctl_handler hdio_handler = 124 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 125 static struct linux_ioctl_handler disk_handler = 126 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 127 static struct linux_ioctl_handler socket_handler = 128 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 129 static struct linux_ioctl_handler sound_handler = 130 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 131 static struct linux_ioctl_handler termio_handler = 132 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 133 static struct linux_ioctl_handler private_handler = 134 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 135 static struct linux_ioctl_handler drm_handler = 136 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 137 static struct linux_ioctl_handler sg_handler = 138 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 139 static struct linux_ioctl_handler video_handler = 140 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 141 static struct linux_ioctl_handler video2_handler = 142 { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; 143 static struct linux_ioctl_handler fbsd_usb = 144 { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; 145 static struct linux_ioctl_handler evdev_handler = 146 { linux_ioctl_evdev, LINUX_IOCTL_EVDEV_MIN, LINUX_IOCTL_EVDEV_MAX }; 147 148 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 149 DATA_SET(linux_ioctl_handler_set, vfat_handler); 150 DATA_SET(linux_ioctl_handler_set, console_handler); 151 DATA_SET(linux_ioctl_handler_set, hdio_handler); 152 DATA_SET(linux_ioctl_handler_set, disk_handler); 153 DATA_SET(linux_ioctl_handler_set, socket_handler); 154 DATA_SET(linux_ioctl_handler_set, sound_handler); 155 DATA_SET(linux_ioctl_handler_set, termio_handler); 156 DATA_SET(linux_ioctl_handler_set, private_handler); 157 DATA_SET(linux_ioctl_handler_set, drm_handler); 158 DATA_SET(linux_ioctl_handler_set, sg_handler); 159 DATA_SET(linux_ioctl_handler_set, video_handler); 160 DATA_SET(linux_ioctl_handler_set, video2_handler); 161 DATA_SET(linux_ioctl_handler_set, fbsd_usb); 162 DATA_SET(linux_ioctl_handler_set, evdev_handler); 163 164 struct handler_element 165 { 166 TAILQ_ENTRY(handler_element) list; 167 int (*func)(struct thread *, struct linux_ioctl_args *); 168 int low, high, span; 169 }; 170 171 static TAILQ_HEAD(, handler_element) handlers = 172 TAILQ_HEAD_INITIALIZER(handlers); 173 static struct sx linux_ioctl_sx; 174 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 175 176 /* 177 * hdio related ioctls for VMWare support 178 */ 179 180 struct linux_hd_geometry { 181 u_int8_t heads; 182 u_int8_t sectors; 183 u_int16_t cylinders; 184 u_int32_t start; 185 }; 186 187 struct linux_hd_big_geometry { 188 u_int8_t heads; 189 u_int8_t sectors; 190 u_int32_t cylinders; 191 u_int32_t start; 192 }; 193 194 static int 195 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 196 { 197 cap_rights_t rights; 198 struct file *fp; 199 int error; 200 u_int sectorsize, fwcylinders, fwheads, fwsectors; 201 off_t mediasize, bytespercyl; 202 203 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 204 if (error != 0) 205 return (error); 206 switch (args->cmd & 0xffff) { 207 case LINUX_HDIO_GET_GEO: 208 case LINUX_HDIO_GET_GEO_BIG: 209 error = fo_ioctl(fp, DIOCGMEDIASIZE, 210 (caddr_t)&mediasize, td->td_ucred, td); 211 if (!error) 212 error = fo_ioctl(fp, DIOCGSECTORSIZE, 213 (caddr_t)§orsize, td->td_ucred, td); 214 if (!error) 215 error = fo_ioctl(fp, DIOCGFWHEADS, 216 (caddr_t)&fwheads, td->td_ucred, td); 217 if (!error) 218 error = fo_ioctl(fp, DIOCGFWSECTORS, 219 (caddr_t)&fwsectors, td->td_ucred, td); 220 /* 221 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 222 * so pretend that GEOM always says 0. This is NOT VALID 223 * for slices or partitions, only the per-disk raw devices. 224 */ 225 226 fdrop(fp, td); 227 if (error) 228 return (error); 229 /* 230 * 1. Calculate the number of bytes in a cylinder, 231 * given the firmware's notion of heads and sectors 232 * per cylinder. 233 * 2. Calculate the number of cylinders, given the total 234 * size of the media. 235 * All internal calculations should have 64-bit precision. 236 */ 237 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 238 fwcylinders = mediasize / bytespercyl; 239 #if defined(DEBUG) 240 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 241 "bpc %jd", 242 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 243 (intmax_t)bytespercyl); 244 #endif 245 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 246 struct linux_hd_geometry hdg; 247 248 hdg.cylinders = fwcylinders; 249 hdg.heads = fwheads; 250 hdg.sectors = fwsectors; 251 hdg.start = 0; 252 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 253 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 254 struct linux_hd_big_geometry hdbg; 255 256 memset(&hdbg, 0, sizeof(hdbg)); 257 hdbg.cylinders = fwcylinders; 258 hdbg.heads = fwheads; 259 hdbg.sectors = fwsectors; 260 hdbg.start = 0; 261 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 262 } 263 return (error); 264 break; 265 default: 266 /* XXX */ 267 linux_msg(td, 268 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 269 args->fd, (int)(args->cmd & 0xffff), 270 (int)(args->cmd & 0xff00) >> 8, 271 (int)(args->cmd & 0xff)); 272 break; 273 } 274 fdrop(fp, td); 275 return (ENOIOCTL); 276 } 277 278 static int 279 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 280 { 281 cap_rights_t rights; 282 struct file *fp; 283 int error; 284 u_int sectorsize; 285 off_t mediasize; 286 287 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 288 if (error != 0) 289 return (error); 290 switch (args->cmd & 0xffff) { 291 case LINUX_BLKGETSIZE: 292 error = fo_ioctl(fp, DIOCGSECTORSIZE, 293 (caddr_t)§orsize, td->td_ucred, td); 294 if (!error) 295 error = fo_ioctl(fp, DIOCGMEDIASIZE, 296 (caddr_t)&mediasize, td->td_ucred, td); 297 fdrop(fp, td); 298 if (error) 299 return (error); 300 sectorsize = mediasize / sectorsize; 301 /* 302 * XXX: How do we know we return the right size of integer ? 303 */ 304 return (copyout(§orsize, (void *)args->arg, 305 sizeof(sectorsize))); 306 break; 307 case LINUX_BLKSSZGET: 308 error = fo_ioctl(fp, DIOCGSECTORSIZE, 309 (caddr_t)§orsize, td->td_ucred, td); 310 fdrop(fp, td); 311 if (error) 312 return (error); 313 return (copyout(§orsize, (void *)args->arg, 314 sizeof(sectorsize))); 315 break; 316 } 317 fdrop(fp, td); 318 return (ENOIOCTL); 319 } 320 321 /* 322 * termio related ioctls 323 */ 324 325 struct linux_termio { 326 unsigned short c_iflag; 327 unsigned short c_oflag; 328 unsigned short c_cflag; 329 unsigned short c_lflag; 330 unsigned char c_line; 331 unsigned char c_cc[LINUX_NCC]; 332 }; 333 334 struct linux_termios { 335 unsigned int c_iflag; 336 unsigned int c_oflag; 337 unsigned int c_cflag; 338 unsigned int c_lflag; 339 unsigned char c_line; 340 unsigned char c_cc[LINUX_NCCS]; 341 }; 342 343 struct linux_winsize { 344 unsigned short ws_row, ws_col; 345 unsigned short ws_xpixel, ws_ypixel; 346 }; 347 348 struct speedtab { 349 int sp_speed; /* Speed. */ 350 int sp_code; /* Code. */ 351 }; 352 353 static struct speedtab sptab[] = { 354 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 355 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 356 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 357 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 358 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 359 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 360 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 361 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 362 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 363 {-1, -1 } 364 }; 365 366 struct linux_serial_struct { 367 int type; 368 int line; 369 int port; 370 int irq; 371 int flags; 372 int xmit_fifo_size; 373 int custom_divisor; 374 int baud_base; 375 unsigned short close_delay; 376 char reserved_char[2]; 377 int hub6; 378 unsigned short closing_wait; 379 unsigned short closing_wait2; 380 int reserved[4]; 381 }; 382 383 static int 384 linux_to_bsd_speed(int code, struct speedtab *table) 385 { 386 for ( ; table->sp_code != -1; table++) 387 if (table->sp_code == code) 388 return (table->sp_speed); 389 return -1; 390 } 391 392 static int 393 bsd_to_linux_speed(int speed, struct speedtab *table) 394 { 395 for ( ; table->sp_speed != -1; table++) 396 if (table->sp_speed == speed) 397 return (table->sp_code); 398 return -1; 399 } 400 401 static void 402 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 403 { 404 int i; 405 406 #ifdef DEBUG 407 if (ldebug(ioctl)) { 408 printf("LINUX: BSD termios structure (input):\n"); 409 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 410 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 411 bios->c_ispeed, bios->c_ospeed); 412 printf("c_cc "); 413 for (i=0; i<NCCS; i++) 414 printf("%02x ", bios->c_cc[i]); 415 printf("\n"); 416 } 417 #endif 418 419 lios->c_iflag = 0; 420 if (bios->c_iflag & IGNBRK) 421 lios->c_iflag |= LINUX_IGNBRK; 422 if (bios->c_iflag & BRKINT) 423 lios->c_iflag |= LINUX_BRKINT; 424 if (bios->c_iflag & IGNPAR) 425 lios->c_iflag |= LINUX_IGNPAR; 426 if (bios->c_iflag & PARMRK) 427 lios->c_iflag |= LINUX_PARMRK; 428 if (bios->c_iflag & INPCK) 429 lios->c_iflag |= LINUX_INPCK; 430 if (bios->c_iflag & ISTRIP) 431 lios->c_iflag |= LINUX_ISTRIP; 432 if (bios->c_iflag & INLCR) 433 lios->c_iflag |= LINUX_INLCR; 434 if (bios->c_iflag & IGNCR) 435 lios->c_iflag |= LINUX_IGNCR; 436 if (bios->c_iflag & ICRNL) 437 lios->c_iflag |= LINUX_ICRNL; 438 if (bios->c_iflag & IXON) 439 lios->c_iflag |= LINUX_IXON; 440 if (bios->c_iflag & IXANY) 441 lios->c_iflag |= LINUX_IXANY; 442 if (bios->c_iflag & IXOFF) 443 lios->c_iflag |= LINUX_IXOFF; 444 if (bios->c_iflag & IMAXBEL) 445 lios->c_iflag |= LINUX_IMAXBEL; 446 447 lios->c_oflag = 0; 448 if (bios->c_oflag & OPOST) 449 lios->c_oflag |= LINUX_OPOST; 450 if (bios->c_oflag & ONLCR) 451 lios->c_oflag |= LINUX_ONLCR; 452 if (bios->c_oflag & TAB3) 453 lios->c_oflag |= LINUX_XTABS; 454 455 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 456 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 457 if (bios->c_cflag & CSTOPB) 458 lios->c_cflag |= LINUX_CSTOPB; 459 if (bios->c_cflag & CREAD) 460 lios->c_cflag |= LINUX_CREAD; 461 if (bios->c_cflag & PARENB) 462 lios->c_cflag |= LINUX_PARENB; 463 if (bios->c_cflag & PARODD) 464 lios->c_cflag |= LINUX_PARODD; 465 if (bios->c_cflag & HUPCL) 466 lios->c_cflag |= LINUX_HUPCL; 467 if (bios->c_cflag & CLOCAL) 468 lios->c_cflag |= LINUX_CLOCAL; 469 if (bios->c_cflag & CRTSCTS) 470 lios->c_cflag |= LINUX_CRTSCTS; 471 472 lios->c_lflag = 0; 473 if (bios->c_lflag & ISIG) 474 lios->c_lflag |= LINUX_ISIG; 475 if (bios->c_lflag & ICANON) 476 lios->c_lflag |= LINUX_ICANON; 477 if (bios->c_lflag & ECHO) 478 lios->c_lflag |= LINUX_ECHO; 479 if (bios->c_lflag & ECHOE) 480 lios->c_lflag |= LINUX_ECHOE; 481 if (bios->c_lflag & ECHOK) 482 lios->c_lflag |= LINUX_ECHOK; 483 if (bios->c_lflag & ECHONL) 484 lios->c_lflag |= LINUX_ECHONL; 485 if (bios->c_lflag & NOFLSH) 486 lios->c_lflag |= LINUX_NOFLSH; 487 if (bios->c_lflag & TOSTOP) 488 lios->c_lflag |= LINUX_TOSTOP; 489 if (bios->c_lflag & ECHOCTL) 490 lios->c_lflag |= LINUX_ECHOCTL; 491 if (bios->c_lflag & ECHOPRT) 492 lios->c_lflag |= LINUX_ECHOPRT; 493 if (bios->c_lflag & ECHOKE) 494 lios->c_lflag |= LINUX_ECHOKE; 495 if (bios->c_lflag & FLUSHO) 496 lios->c_lflag |= LINUX_FLUSHO; 497 if (bios->c_lflag & PENDIN) 498 lios->c_lflag |= LINUX_PENDIN; 499 if (bios->c_lflag & IEXTEN) 500 lios->c_lflag |= LINUX_IEXTEN; 501 502 for (i=0; i<LINUX_NCCS; i++) 503 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 504 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 505 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 506 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 507 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 508 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 509 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 510 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 511 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 512 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 513 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 514 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 515 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 516 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 517 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 518 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 519 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 520 521 for (i=0; i<LINUX_NCCS; i++) { 522 if (i != LINUX_VMIN && i != LINUX_VTIME && 523 lios->c_cc[i] == _POSIX_VDISABLE) 524 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 525 } 526 lios->c_line = 0; 527 528 #ifdef DEBUG 529 if (ldebug(ioctl)) { 530 printf("LINUX: LINUX termios structure (output):\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 } 541 542 static void 543 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 544 { 545 int i; 546 547 #ifdef DEBUG 548 if (ldebug(ioctl)) { 549 printf("LINUX: LINUX termios structure (input):\n"); 550 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 551 lios->c_iflag, lios->c_oflag, lios->c_cflag, 552 lios->c_lflag, (int)lios->c_line); 553 printf("c_cc "); 554 for (i=0; i<LINUX_NCCS; i++) 555 printf("%02x ", lios->c_cc[i]); 556 printf("\n"); 557 } 558 #endif 559 560 bios->c_iflag = 0; 561 if (lios->c_iflag & LINUX_IGNBRK) 562 bios->c_iflag |= IGNBRK; 563 if (lios->c_iflag & LINUX_BRKINT) 564 bios->c_iflag |= BRKINT; 565 if (lios->c_iflag & LINUX_IGNPAR) 566 bios->c_iflag |= IGNPAR; 567 if (lios->c_iflag & LINUX_PARMRK) 568 bios->c_iflag |= PARMRK; 569 if (lios->c_iflag & LINUX_INPCK) 570 bios->c_iflag |= INPCK; 571 if (lios->c_iflag & LINUX_ISTRIP) 572 bios->c_iflag |= ISTRIP; 573 if (lios->c_iflag & LINUX_INLCR) 574 bios->c_iflag |= INLCR; 575 if (lios->c_iflag & LINUX_IGNCR) 576 bios->c_iflag |= IGNCR; 577 if (lios->c_iflag & LINUX_ICRNL) 578 bios->c_iflag |= ICRNL; 579 if (lios->c_iflag & LINUX_IXON) 580 bios->c_iflag |= IXON; 581 if (lios->c_iflag & LINUX_IXANY) 582 bios->c_iflag |= IXANY; 583 if (lios->c_iflag & LINUX_IXOFF) 584 bios->c_iflag |= IXOFF; 585 if (lios->c_iflag & LINUX_IMAXBEL) 586 bios->c_iflag |= IMAXBEL; 587 588 bios->c_oflag = 0; 589 if (lios->c_oflag & LINUX_OPOST) 590 bios->c_oflag |= OPOST; 591 if (lios->c_oflag & LINUX_ONLCR) 592 bios->c_oflag |= ONLCR; 593 if (lios->c_oflag & LINUX_XTABS) 594 bios->c_oflag |= TAB3; 595 596 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 597 if (lios->c_cflag & LINUX_CSTOPB) 598 bios->c_cflag |= CSTOPB; 599 if (lios->c_cflag & LINUX_CREAD) 600 bios->c_cflag |= CREAD; 601 if (lios->c_cflag & LINUX_PARENB) 602 bios->c_cflag |= PARENB; 603 if (lios->c_cflag & LINUX_PARODD) 604 bios->c_cflag |= PARODD; 605 if (lios->c_cflag & LINUX_HUPCL) 606 bios->c_cflag |= HUPCL; 607 if (lios->c_cflag & LINUX_CLOCAL) 608 bios->c_cflag |= CLOCAL; 609 if (lios->c_cflag & LINUX_CRTSCTS) 610 bios->c_cflag |= CRTSCTS; 611 612 bios->c_lflag = 0; 613 if (lios->c_lflag & LINUX_ISIG) 614 bios->c_lflag |= ISIG; 615 if (lios->c_lflag & LINUX_ICANON) 616 bios->c_lflag |= ICANON; 617 if (lios->c_lflag & LINUX_ECHO) 618 bios->c_lflag |= ECHO; 619 if (lios->c_lflag & LINUX_ECHOE) 620 bios->c_lflag |= ECHOE; 621 if (lios->c_lflag & LINUX_ECHOK) 622 bios->c_lflag |= ECHOK; 623 if (lios->c_lflag & LINUX_ECHONL) 624 bios->c_lflag |= ECHONL; 625 if (lios->c_lflag & LINUX_NOFLSH) 626 bios->c_lflag |= NOFLSH; 627 if (lios->c_lflag & LINUX_TOSTOP) 628 bios->c_lflag |= TOSTOP; 629 if (lios->c_lflag & LINUX_ECHOCTL) 630 bios->c_lflag |= ECHOCTL; 631 if (lios->c_lflag & LINUX_ECHOPRT) 632 bios->c_lflag |= ECHOPRT; 633 if (lios->c_lflag & LINUX_ECHOKE) 634 bios->c_lflag |= ECHOKE; 635 if (lios->c_lflag & LINUX_FLUSHO) 636 bios->c_lflag |= FLUSHO; 637 if (lios->c_lflag & LINUX_PENDIN) 638 bios->c_lflag |= PENDIN; 639 if (lios->c_lflag & LINUX_IEXTEN) 640 bios->c_lflag |= IEXTEN; 641 642 for (i=0; i<NCCS; i++) 643 bios->c_cc[i] = _POSIX_VDISABLE; 644 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 645 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 646 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 647 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 648 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 649 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 650 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 651 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 652 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 653 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 654 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 655 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 656 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 657 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 658 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 659 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 660 661 for (i=0; i<NCCS; i++) { 662 if (i != VMIN && i != VTIME && 663 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 664 bios->c_cc[i] = _POSIX_VDISABLE; 665 } 666 667 bios->c_ispeed = bios->c_ospeed = 668 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 669 670 #ifdef DEBUG 671 if (ldebug(ioctl)) { 672 printf("LINUX: BSD termios structure (output):\n"); 673 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 674 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 675 bios->c_ispeed, bios->c_ospeed); 676 printf("c_cc "); 677 for (i=0; i<NCCS; i++) 678 printf("%02x ", bios->c_cc[i]); 679 printf("\n"); 680 } 681 #endif 682 } 683 684 static void 685 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 686 { 687 struct linux_termios lios; 688 689 bsd_to_linux_termios(bios, &lios); 690 lio->c_iflag = lios.c_iflag; 691 lio->c_oflag = lios.c_oflag; 692 lio->c_cflag = lios.c_cflag; 693 lio->c_lflag = lios.c_lflag; 694 lio->c_line = lios.c_line; 695 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 696 } 697 698 static void 699 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 700 { 701 struct linux_termios lios; 702 int i; 703 704 lios.c_iflag = lio->c_iflag; 705 lios.c_oflag = lio->c_oflag; 706 lios.c_cflag = lio->c_cflag; 707 lios.c_lflag = lio->c_lflag; 708 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 709 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 710 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 711 linux_to_bsd_termios(&lios, bios); 712 } 713 714 static int 715 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 716 { 717 struct termios bios; 718 struct linux_termios lios; 719 struct linux_termio lio; 720 cap_rights_t rights; 721 struct file *fp; 722 int error; 723 724 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 725 if (error != 0) 726 return (error); 727 728 switch (args->cmd & 0xffff) { 729 730 case LINUX_TCGETS: 731 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 732 td); 733 if (error) 734 break; 735 bsd_to_linux_termios(&bios, &lios); 736 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 737 break; 738 739 case LINUX_TCSETS: 740 error = copyin((void *)args->arg, &lios, sizeof(lios)); 741 if (error) 742 break; 743 linux_to_bsd_termios(&lios, &bios); 744 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 745 td)); 746 break; 747 748 case LINUX_TCSETSW: 749 error = copyin((void *)args->arg, &lios, sizeof(lios)); 750 if (error) 751 break; 752 linux_to_bsd_termios(&lios, &bios); 753 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 754 td)); 755 break; 756 757 case LINUX_TCSETSF: 758 error = copyin((void *)args->arg, &lios, sizeof(lios)); 759 if (error) 760 break; 761 linux_to_bsd_termios(&lios, &bios); 762 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 763 td)); 764 break; 765 766 case LINUX_TCGETA: 767 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 768 td); 769 if (error) 770 break; 771 bsd_to_linux_termio(&bios, &lio); 772 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 773 break; 774 775 case LINUX_TCSETA: 776 error = copyin((void *)args->arg, &lio, sizeof(lio)); 777 if (error) 778 break; 779 linux_to_bsd_termio(&lio, &bios); 780 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 781 td)); 782 break; 783 784 case LINUX_TCSETAW: 785 error = copyin((void *)args->arg, &lio, sizeof(lio)); 786 if (error) 787 break; 788 linux_to_bsd_termio(&lio, &bios); 789 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 790 td)); 791 break; 792 793 case LINUX_TCSETAF: 794 error = copyin((void *)args->arg, &lio, sizeof(lio)); 795 if (error) 796 break; 797 linux_to_bsd_termio(&lio, &bios); 798 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 799 td)); 800 break; 801 802 /* LINUX_TCSBRK */ 803 804 case LINUX_TCXONC: { 805 switch (args->arg) { 806 case LINUX_TCOOFF: 807 args->cmd = TIOCSTOP; 808 break; 809 case LINUX_TCOON: 810 args->cmd = TIOCSTART; 811 break; 812 case LINUX_TCIOFF: 813 case LINUX_TCION: { 814 int c; 815 struct write_args wr; 816 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 817 td->td_ucred, td); 818 if (error) 819 break; 820 fdrop(fp, td); 821 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 822 c = bios.c_cc[c]; 823 if (c != _POSIX_VDISABLE) { 824 wr.fd = args->fd; 825 wr.buf = &c; 826 wr.nbyte = sizeof(c); 827 return (sys_write(td, &wr)); 828 } else 829 return (0); 830 } 831 default: 832 fdrop(fp, td); 833 return (EINVAL); 834 } 835 args->arg = 0; 836 error = (sys_ioctl(td, (struct ioctl_args *)args)); 837 break; 838 } 839 840 case LINUX_TCFLSH: { 841 int val; 842 switch (args->arg) { 843 case LINUX_TCIFLUSH: 844 val = FREAD; 845 break; 846 case LINUX_TCOFLUSH: 847 val = FWRITE; 848 break; 849 case LINUX_TCIOFLUSH: 850 val = FREAD | FWRITE; 851 break; 852 default: 853 fdrop(fp, td); 854 return (EINVAL); 855 } 856 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 857 break; 858 } 859 860 case LINUX_TIOCEXCL: 861 args->cmd = TIOCEXCL; 862 error = (sys_ioctl(td, (struct ioctl_args *)args)); 863 break; 864 865 case LINUX_TIOCNXCL: 866 args->cmd = TIOCNXCL; 867 error = (sys_ioctl(td, (struct ioctl_args *)args)); 868 break; 869 870 case LINUX_TIOCSCTTY: 871 args->cmd = TIOCSCTTY; 872 error = (sys_ioctl(td, (struct ioctl_args *)args)); 873 break; 874 875 case LINUX_TIOCGPGRP: 876 args->cmd = TIOCGPGRP; 877 error = (sys_ioctl(td, (struct ioctl_args *)args)); 878 break; 879 880 case LINUX_TIOCSPGRP: 881 args->cmd = TIOCSPGRP; 882 error = (sys_ioctl(td, (struct ioctl_args *)args)); 883 break; 884 885 /* LINUX_TIOCOUTQ */ 886 /* LINUX_TIOCSTI */ 887 888 case LINUX_TIOCGWINSZ: 889 args->cmd = TIOCGWINSZ; 890 error = (sys_ioctl(td, (struct ioctl_args *)args)); 891 break; 892 893 case LINUX_TIOCSWINSZ: 894 args->cmd = TIOCSWINSZ; 895 error = (sys_ioctl(td, (struct ioctl_args *)args)); 896 break; 897 898 case LINUX_TIOCMGET: 899 args->cmd = TIOCMGET; 900 error = (sys_ioctl(td, (struct ioctl_args *)args)); 901 break; 902 903 case LINUX_TIOCMBIS: 904 args->cmd = TIOCMBIS; 905 error = (sys_ioctl(td, (struct ioctl_args *)args)); 906 break; 907 908 case LINUX_TIOCMBIC: 909 args->cmd = TIOCMBIC; 910 error = (sys_ioctl(td, (struct ioctl_args *)args)); 911 break; 912 913 case LINUX_TIOCMSET: 914 args->cmd = TIOCMSET; 915 error = (sys_ioctl(td, (struct ioctl_args *)args)); 916 break; 917 918 /* TIOCGSOFTCAR */ 919 /* TIOCSSOFTCAR */ 920 921 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 922 args->cmd = FIONREAD; 923 error = (sys_ioctl(td, (struct ioctl_args *)args)); 924 break; 925 926 /* LINUX_TIOCLINUX */ 927 928 case LINUX_TIOCCONS: 929 args->cmd = TIOCCONS; 930 error = (sys_ioctl(td, (struct ioctl_args *)args)); 931 break; 932 933 case LINUX_TIOCGSERIAL: { 934 struct linux_serial_struct lss; 935 936 bzero(&lss, sizeof(lss)); 937 lss.type = LINUX_PORT_16550A; 938 lss.flags = 0; 939 lss.close_delay = 0; 940 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 941 break; 942 } 943 944 case LINUX_TIOCSSERIAL: { 945 struct linux_serial_struct lss; 946 error = copyin((void *)args->arg, &lss, sizeof(lss)); 947 if (error) 948 break; 949 /* XXX - It really helps to have an implementation that 950 * does nothing. NOT! 951 */ 952 error = 0; 953 break; 954 } 955 956 case LINUX_TIOCPKT: 957 args->cmd = TIOCPKT; 958 error = (sys_ioctl(td, (struct ioctl_args *)args)); 959 break; 960 961 case LINUX_FIONBIO: 962 args->cmd = FIONBIO; 963 error = (sys_ioctl(td, (struct ioctl_args *)args)); 964 break; 965 966 case LINUX_TIOCNOTTY: 967 args->cmd = TIOCNOTTY; 968 error = (sys_ioctl(td, (struct ioctl_args *)args)); 969 break; 970 971 case LINUX_TIOCSETD: { 972 int line; 973 switch (args->arg) { 974 case LINUX_N_TTY: 975 line = TTYDISC; 976 break; 977 case LINUX_N_SLIP: 978 line = SLIPDISC; 979 break; 980 case LINUX_N_PPP: 981 line = PPPDISC; 982 break; 983 default: 984 fdrop(fp, td); 985 return (EINVAL); 986 } 987 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 988 td)); 989 break; 990 } 991 992 case LINUX_TIOCGETD: { 993 int linux_line; 994 int bsd_line = TTYDISC; 995 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 996 td->td_ucred, td); 997 if (error) 998 break; 999 switch (bsd_line) { 1000 case TTYDISC: 1001 linux_line = LINUX_N_TTY; 1002 break; 1003 case SLIPDISC: 1004 linux_line = LINUX_N_SLIP; 1005 break; 1006 case PPPDISC: 1007 linux_line = LINUX_N_PPP; 1008 break; 1009 default: 1010 fdrop(fp, td); 1011 return (EINVAL); 1012 } 1013 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 1014 break; 1015 } 1016 1017 /* LINUX_TCSBRKP */ 1018 /* LINUX_TIOCTTYGSTRUCT */ 1019 1020 case LINUX_FIONCLEX: 1021 args->cmd = FIONCLEX; 1022 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1023 break; 1024 1025 case LINUX_FIOCLEX: 1026 args->cmd = FIOCLEX; 1027 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1028 break; 1029 1030 case LINUX_FIOASYNC: 1031 args->cmd = FIOASYNC; 1032 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1033 break; 1034 1035 /* LINUX_TIOCSERCONFIG */ 1036 /* LINUX_TIOCSERGWILD */ 1037 /* LINUX_TIOCSERSWILD */ 1038 /* LINUX_TIOCGLCKTRMIOS */ 1039 /* LINUX_TIOCSLCKTRMIOS */ 1040 1041 case LINUX_TIOCSBRK: 1042 args->cmd = TIOCSBRK; 1043 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1044 break; 1045 1046 case LINUX_TIOCCBRK: 1047 args->cmd = TIOCCBRK; 1048 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1049 break; 1050 case LINUX_TIOCGPTN: { 1051 int nb; 1052 1053 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1054 if (!error) 1055 error = copyout(&nb, (void *)args->arg, 1056 sizeof(int)); 1057 break; 1058 } 1059 case LINUX_TIOCSPTLCK: 1060 /* Our unlockpt() does nothing. */ 1061 error = 0; 1062 break; 1063 default: 1064 error = ENOIOCTL; 1065 break; 1066 } 1067 1068 fdrop(fp, td); 1069 return (error); 1070 } 1071 1072 /* 1073 * CDROM related ioctls 1074 */ 1075 1076 struct linux_cdrom_msf 1077 { 1078 u_char cdmsf_min0; 1079 u_char cdmsf_sec0; 1080 u_char cdmsf_frame0; 1081 u_char cdmsf_min1; 1082 u_char cdmsf_sec1; 1083 u_char cdmsf_frame1; 1084 }; 1085 1086 struct linux_cdrom_tochdr 1087 { 1088 u_char cdth_trk0; 1089 u_char cdth_trk1; 1090 }; 1091 1092 union linux_cdrom_addr 1093 { 1094 struct { 1095 u_char minute; 1096 u_char second; 1097 u_char frame; 1098 } msf; 1099 int lba; 1100 }; 1101 1102 struct linux_cdrom_tocentry 1103 { 1104 u_char cdte_track; 1105 u_char cdte_adr:4; 1106 u_char cdte_ctrl:4; 1107 u_char cdte_format; 1108 union linux_cdrom_addr cdte_addr; 1109 u_char cdte_datamode; 1110 }; 1111 1112 struct linux_cdrom_subchnl 1113 { 1114 u_char cdsc_format; 1115 u_char cdsc_audiostatus; 1116 u_char cdsc_adr:4; 1117 u_char cdsc_ctrl:4; 1118 u_char cdsc_trk; 1119 u_char cdsc_ind; 1120 union linux_cdrom_addr cdsc_absaddr; 1121 union linux_cdrom_addr cdsc_reladdr; 1122 }; 1123 1124 struct l_cdrom_read_audio { 1125 union linux_cdrom_addr addr; 1126 u_char addr_format; 1127 l_int nframes; 1128 u_char *buf; 1129 }; 1130 1131 struct l_dvd_layer { 1132 u_char book_version:4; 1133 u_char book_type:4; 1134 u_char min_rate:4; 1135 u_char disc_size:4; 1136 u_char layer_type:4; 1137 u_char track_path:1; 1138 u_char nlayers:2; 1139 u_char track_density:4; 1140 u_char linear_density:4; 1141 u_char bca:1; 1142 u_int32_t start_sector; 1143 u_int32_t end_sector; 1144 u_int32_t end_sector_l0; 1145 }; 1146 1147 struct l_dvd_physical { 1148 u_char type; 1149 u_char layer_num; 1150 struct l_dvd_layer layer[4]; 1151 }; 1152 1153 struct l_dvd_copyright { 1154 u_char type; 1155 u_char layer_num; 1156 u_char cpst; 1157 u_char rmi; 1158 }; 1159 1160 struct l_dvd_disckey { 1161 u_char type; 1162 l_uint agid:2; 1163 u_char value[2048]; 1164 }; 1165 1166 struct l_dvd_bca { 1167 u_char type; 1168 l_int len; 1169 u_char value[188]; 1170 }; 1171 1172 struct l_dvd_manufact { 1173 u_char type; 1174 u_char layer_num; 1175 l_int len; 1176 u_char value[2048]; 1177 }; 1178 1179 typedef union { 1180 u_char type; 1181 struct l_dvd_physical physical; 1182 struct l_dvd_copyright copyright; 1183 struct l_dvd_disckey disckey; 1184 struct l_dvd_bca bca; 1185 struct l_dvd_manufact manufact; 1186 } l_dvd_struct; 1187 1188 typedef u_char l_dvd_key[5]; 1189 typedef u_char l_dvd_challenge[10]; 1190 1191 struct l_dvd_lu_send_agid { 1192 u_char type; 1193 l_uint agid:2; 1194 }; 1195 1196 struct l_dvd_host_send_challenge { 1197 u_char type; 1198 l_uint agid:2; 1199 l_dvd_challenge chal; 1200 }; 1201 1202 struct l_dvd_send_key { 1203 u_char type; 1204 l_uint agid:2; 1205 l_dvd_key key; 1206 }; 1207 1208 struct l_dvd_lu_send_challenge { 1209 u_char type; 1210 l_uint agid:2; 1211 l_dvd_challenge chal; 1212 }; 1213 1214 struct l_dvd_lu_send_title_key { 1215 u_char type; 1216 l_uint agid:2; 1217 l_dvd_key title_key; 1218 l_int lba; 1219 l_uint cpm:1; 1220 l_uint cp_sec:1; 1221 l_uint cgms:2; 1222 }; 1223 1224 struct l_dvd_lu_send_asf { 1225 u_char type; 1226 l_uint agid:2; 1227 l_uint asf:1; 1228 }; 1229 1230 struct l_dvd_host_send_rpcstate { 1231 u_char type; 1232 u_char pdrc; 1233 }; 1234 1235 struct l_dvd_lu_send_rpcstate { 1236 u_char type:2; 1237 u_char vra:3; 1238 u_char ucca:3; 1239 u_char region_mask; 1240 u_char rpc_scheme; 1241 }; 1242 1243 typedef union { 1244 u_char type; 1245 struct l_dvd_lu_send_agid lsa; 1246 struct l_dvd_host_send_challenge hsc; 1247 struct l_dvd_send_key lsk; 1248 struct l_dvd_lu_send_challenge lsc; 1249 struct l_dvd_send_key hsk; 1250 struct l_dvd_lu_send_title_key lstk; 1251 struct l_dvd_lu_send_asf lsasf; 1252 struct l_dvd_host_send_rpcstate hrpcs; 1253 struct l_dvd_lu_send_rpcstate lrpcs; 1254 } l_dvd_authinfo; 1255 1256 static void 1257 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1258 { 1259 if (af == CD_LBA_FORMAT) 1260 lp->lba = bp->lba; 1261 else { 1262 lp->msf.minute = bp->msf.minute; 1263 lp->msf.second = bp->msf.second; 1264 lp->msf.frame = bp->msf.frame; 1265 } 1266 } 1267 1268 static void 1269 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1270 { 1271 if (format == LINUX_CDROM_MSF) { 1272 addr->msf.frame = lba % 75; 1273 lba /= 75; 1274 lba += 2; 1275 addr->msf.second = lba % 60; 1276 addr->msf.minute = lba / 60; 1277 } else 1278 addr->lba = lba; 1279 } 1280 1281 static int 1282 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1283 { 1284 bp->format = lp->type; 1285 switch (bp->format) { 1286 case DVD_STRUCT_PHYSICAL: 1287 if (bp->layer_num >= 4) 1288 return (EINVAL); 1289 bp->layer_num = lp->physical.layer_num; 1290 break; 1291 case DVD_STRUCT_COPYRIGHT: 1292 bp->layer_num = lp->copyright.layer_num; 1293 break; 1294 case DVD_STRUCT_DISCKEY: 1295 bp->agid = lp->disckey.agid; 1296 break; 1297 case DVD_STRUCT_BCA: 1298 case DVD_STRUCT_MANUFACT: 1299 break; 1300 default: 1301 return (EINVAL); 1302 } 1303 return (0); 1304 } 1305 1306 static int 1307 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1308 { 1309 switch (bp->format) { 1310 case DVD_STRUCT_PHYSICAL: { 1311 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1312 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1313 memset(llp, 0, sizeof(*llp)); 1314 llp->book_version = blp->book_version; 1315 llp->book_type = blp->book_type; 1316 llp->min_rate = blp->max_rate; 1317 llp->disc_size = blp->disc_size; 1318 llp->layer_type = blp->layer_type; 1319 llp->track_path = blp->track_path; 1320 llp->nlayers = blp->nlayers; 1321 llp->track_density = blp->track_density; 1322 llp->linear_density = blp->linear_density; 1323 llp->bca = blp->bca; 1324 llp->start_sector = blp->start_sector; 1325 llp->end_sector = blp->end_sector; 1326 llp->end_sector_l0 = blp->end_sector_l0; 1327 break; 1328 } 1329 case DVD_STRUCT_COPYRIGHT: 1330 lp->copyright.cpst = bp->cpst; 1331 lp->copyright.rmi = bp->rmi; 1332 break; 1333 case DVD_STRUCT_DISCKEY: 1334 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1335 break; 1336 case DVD_STRUCT_BCA: 1337 lp->bca.len = bp->length; 1338 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1339 break; 1340 case DVD_STRUCT_MANUFACT: 1341 lp->manufact.len = bp->length; 1342 memcpy(lp->manufact.value, bp->data, 1343 sizeof(lp->manufact.value)); 1344 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1345 break; 1346 default: 1347 return (EINVAL); 1348 } 1349 return (0); 1350 } 1351 1352 static int 1353 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1354 struct dvd_authinfo *bp) 1355 { 1356 switch (lp->type) { 1357 case LINUX_DVD_LU_SEND_AGID: 1358 *bcode = DVDIOCREPORTKEY; 1359 bp->format = DVD_REPORT_AGID; 1360 bp->agid = lp->lsa.agid; 1361 break; 1362 case LINUX_DVD_HOST_SEND_CHALLENGE: 1363 *bcode = DVDIOCSENDKEY; 1364 bp->format = DVD_SEND_CHALLENGE; 1365 bp->agid = lp->hsc.agid; 1366 memcpy(bp->keychal, lp->hsc.chal, 10); 1367 break; 1368 case LINUX_DVD_LU_SEND_KEY1: 1369 *bcode = DVDIOCREPORTKEY; 1370 bp->format = DVD_REPORT_KEY1; 1371 bp->agid = lp->lsk.agid; 1372 break; 1373 case LINUX_DVD_LU_SEND_CHALLENGE: 1374 *bcode = DVDIOCREPORTKEY; 1375 bp->format = DVD_REPORT_CHALLENGE; 1376 bp->agid = lp->lsc.agid; 1377 break; 1378 case LINUX_DVD_HOST_SEND_KEY2: 1379 *bcode = DVDIOCSENDKEY; 1380 bp->format = DVD_SEND_KEY2; 1381 bp->agid = lp->hsk.agid; 1382 memcpy(bp->keychal, lp->hsk.key, 5); 1383 break; 1384 case LINUX_DVD_LU_SEND_TITLE_KEY: 1385 *bcode = DVDIOCREPORTKEY; 1386 bp->format = DVD_REPORT_TITLE_KEY; 1387 bp->agid = lp->lstk.agid; 1388 bp->lba = lp->lstk.lba; 1389 break; 1390 case LINUX_DVD_LU_SEND_ASF: 1391 *bcode = DVDIOCREPORTKEY; 1392 bp->format = DVD_REPORT_ASF; 1393 bp->agid = lp->lsasf.agid; 1394 break; 1395 case LINUX_DVD_INVALIDATE_AGID: 1396 *bcode = DVDIOCREPORTKEY; 1397 bp->format = DVD_INVALIDATE_AGID; 1398 bp->agid = lp->lsa.agid; 1399 break; 1400 case LINUX_DVD_LU_SEND_RPC_STATE: 1401 *bcode = DVDIOCREPORTKEY; 1402 bp->format = DVD_REPORT_RPC; 1403 break; 1404 case LINUX_DVD_HOST_SEND_RPC_STATE: 1405 *bcode = DVDIOCSENDKEY; 1406 bp->format = DVD_SEND_RPC; 1407 bp->region = lp->hrpcs.pdrc; 1408 break; 1409 default: 1410 return (EINVAL); 1411 } 1412 return (0); 1413 } 1414 1415 static int 1416 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1417 { 1418 switch (lp->type) { 1419 case LINUX_DVD_LU_SEND_AGID: 1420 lp->lsa.agid = bp->agid; 1421 break; 1422 case LINUX_DVD_HOST_SEND_CHALLENGE: 1423 lp->type = LINUX_DVD_LU_SEND_KEY1; 1424 break; 1425 case LINUX_DVD_LU_SEND_KEY1: 1426 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1427 break; 1428 case LINUX_DVD_LU_SEND_CHALLENGE: 1429 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1430 break; 1431 case LINUX_DVD_HOST_SEND_KEY2: 1432 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1433 break; 1434 case LINUX_DVD_LU_SEND_TITLE_KEY: 1435 memcpy(lp->lstk.title_key, bp->keychal, 1436 sizeof(lp->lstk.title_key)); 1437 lp->lstk.cpm = bp->cpm; 1438 lp->lstk.cp_sec = bp->cp_sec; 1439 lp->lstk.cgms = bp->cgms; 1440 break; 1441 case LINUX_DVD_LU_SEND_ASF: 1442 lp->lsasf.asf = bp->asf; 1443 break; 1444 case LINUX_DVD_INVALIDATE_AGID: 1445 break; 1446 case LINUX_DVD_LU_SEND_RPC_STATE: 1447 lp->lrpcs.type = bp->reg_type; 1448 lp->lrpcs.vra = bp->vend_rsts; 1449 lp->lrpcs.ucca = bp->user_rsts; 1450 lp->lrpcs.region_mask = bp->region; 1451 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1452 break; 1453 case LINUX_DVD_HOST_SEND_RPC_STATE: 1454 break; 1455 default: 1456 return (EINVAL); 1457 } 1458 return (0); 1459 } 1460 1461 static int 1462 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1463 { 1464 cap_rights_t rights; 1465 struct file *fp; 1466 int error; 1467 1468 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1469 if (error != 0) 1470 return (error); 1471 switch (args->cmd & 0xffff) { 1472 1473 case LINUX_CDROMPAUSE: 1474 args->cmd = CDIOCPAUSE; 1475 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1476 break; 1477 1478 case LINUX_CDROMRESUME: 1479 args->cmd = CDIOCRESUME; 1480 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1481 break; 1482 1483 case LINUX_CDROMPLAYMSF: 1484 args->cmd = CDIOCPLAYMSF; 1485 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1486 break; 1487 1488 case LINUX_CDROMPLAYTRKIND: 1489 args->cmd = CDIOCPLAYTRACKS; 1490 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1491 break; 1492 1493 case LINUX_CDROMREADTOCHDR: { 1494 struct ioc_toc_header th; 1495 struct linux_cdrom_tochdr lth; 1496 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1497 td->td_ucred, td); 1498 if (!error) { 1499 lth.cdth_trk0 = th.starting_track; 1500 lth.cdth_trk1 = th.ending_track; 1501 copyout(<h, (void *)args->arg, sizeof(lth)); 1502 } 1503 break; 1504 } 1505 1506 case LINUX_CDROMREADTOCENTRY: { 1507 struct linux_cdrom_tocentry lte; 1508 struct ioc_read_toc_single_entry irtse; 1509 1510 error = copyin((void *)args->arg, <e, sizeof(lte)); 1511 if (error) 1512 break; 1513 irtse.address_format = lte.cdte_format; 1514 irtse.track = lte.cdte_track; 1515 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1516 td->td_ucred, td); 1517 if (!error) { 1518 lte.cdte_ctrl = irtse.entry.control; 1519 lte.cdte_adr = irtse.entry.addr_type; 1520 bsd_to_linux_msf_lba(irtse.address_format, 1521 &irtse.entry.addr, <e.cdte_addr); 1522 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1523 } 1524 break; 1525 } 1526 1527 case LINUX_CDROMSTOP: 1528 args->cmd = CDIOCSTOP; 1529 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1530 break; 1531 1532 case LINUX_CDROMSTART: 1533 args->cmd = CDIOCSTART; 1534 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1535 break; 1536 1537 case LINUX_CDROMEJECT: 1538 args->cmd = CDIOCEJECT; 1539 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1540 break; 1541 1542 /* LINUX_CDROMVOLCTRL */ 1543 1544 case LINUX_CDROMSUBCHNL: { 1545 struct linux_cdrom_subchnl sc; 1546 struct ioc_read_subchannel bsdsc; 1547 struct cd_sub_channel_info bsdinfo; 1548 1549 bsdsc.address_format = CD_LBA_FORMAT; 1550 bsdsc.data_format = CD_CURRENT_POSITION; 1551 bsdsc.track = 0; 1552 bsdsc.data_len = sizeof(bsdinfo); 1553 bsdsc.data = &bsdinfo; 1554 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1555 (caddr_t)&bsdsc, td->td_ucred, td); 1556 if (error) 1557 break; 1558 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1559 if (error) 1560 break; 1561 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1562 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1563 sc.cdsc_ctrl = bsdinfo.what.position.control; 1564 sc.cdsc_trk = bsdinfo.what.position.track_number; 1565 sc.cdsc_ind = bsdinfo.what.position.index_number; 1566 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1567 bsdinfo.what.position.absaddr.lba); 1568 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1569 bsdinfo.what.position.reladdr.lba); 1570 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1571 break; 1572 } 1573 1574 /* LINUX_CDROMREADMODE2 */ 1575 /* LINUX_CDROMREADMODE1 */ 1576 /* LINUX_CDROMREADAUDIO */ 1577 /* LINUX_CDROMEJECT_SW */ 1578 /* LINUX_CDROMMULTISESSION */ 1579 /* LINUX_CDROM_GET_UPC */ 1580 1581 case LINUX_CDROMRESET: 1582 args->cmd = CDIOCRESET; 1583 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1584 break; 1585 1586 /* LINUX_CDROMVOLREAD */ 1587 /* LINUX_CDROMREADRAW */ 1588 /* LINUX_CDROMREADCOOKED */ 1589 /* LINUX_CDROMSEEK */ 1590 /* LINUX_CDROMPLAYBLK */ 1591 /* LINUX_CDROMREADALL */ 1592 /* LINUX_CDROMCLOSETRAY */ 1593 /* LINUX_CDROMLOADFROMSLOT */ 1594 /* LINUX_CDROMGETSPINDOWN */ 1595 /* LINUX_CDROMSETSPINDOWN */ 1596 /* LINUX_CDROM_SET_OPTIONS */ 1597 /* LINUX_CDROM_CLEAR_OPTIONS */ 1598 /* LINUX_CDROM_SELECT_SPEED */ 1599 /* LINUX_CDROM_SELECT_DISC */ 1600 /* LINUX_CDROM_MEDIA_CHANGED */ 1601 /* LINUX_CDROM_DRIVE_STATUS */ 1602 /* LINUX_CDROM_DISC_STATUS */ 1603 /* LINUX_CDROM_CHANGER_NSLOTS */ 1604 /* LINUX_CDROM_LOCKDOOR */ 1605 /* LINUX_CDROM_DEBUG */ 1606 /* LINUX_CDROM_GET_CAPABILITY */ 1607 /* LINUX_CDROMAUDIOBUFSIZ */ 1608 1609 case LINUX_DVD_READ_STRUCT: { 1610 l_dvd_struct *lds; 1611 struct dvd_struct *bds; 1612 1613 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1614 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1615 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1616 if (error) 1617 goto out; 1618 error = linux_to_bsd_dvd_struct(lds, bds); 1619 if (error) 1620 goto out; 1621 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1622 td->td_ucred, td); 1623 if (error) 1624 goto out; 1625 error = bsd_to_linux_dvd_struct(bds, lds); 1626 if (error) 1627 goto out; 1628 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1629 out: 1630 free(bds, M_LINUX); 1631 free(lds, M_LINUX); 1632 break; 1633 } 1634 1635 /* LINUX_DVD_WRITE_STRUCT */ 1636 1637 case LINUX_DVD_AUTH: { 1638 l_dvd_authinfo lda; 1639 struct dvd_authinfo bda; 1640 int bcode; 1641 1642 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1643 if (error) 1644 break; 1645 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1646 if (error) 1647 break; 1648 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1649 td); 1650 if (error) { 1651 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1652 lda.type = LINUX_DVD_AUTH_FAILURE; 1653 copyout(&lda, (void *)args->arg, sizeof(lda)); 1654 } 1655 break; 1656 } 1657 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1658 if (error) 1659 break; 1660 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1661 break; 1662 } 1663 1664 case LINUX_SCSI_GET_BUS_NUMBER: 1665 { 1666 struct sg_scsi_id id; 1667 1668 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1669 td->td_ucred, td); 1670 if (error) 1671 break; 1672 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1673 break; 1674 } 1675 1676 case LINUX_SCSI_GET_IDLUN: 1677 { 1678 struct sg_scsi_id id; 1679 struct scsi_idlun idl; 1680 1681 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1682 td->td_ucred, td); 1683 if (error) 1684 break; 1685 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1686 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1687 idl.host_unique_id = id.host_no; 1688 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1689 break; 1690 } 1691 1692 /* LINUX_CDROM_SEND_PACKET */ 1693 /* LINUX_CDROM_NEXT_WRITABLE */ 1694 /* LINUX_CDROM_LAST_WRITTEN */ 1695 1696 default: 1697 error = ENOIOCTL; 1698 break; 1699 } 1700 1701 fdrop(fp, td); 1702 return (error); 1703 } 1704 1705 static int 1706 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1707 { 1708 1709 return (ENOTTY); 1710 } 1711 1712 /* 1713 * Sound related ioctls 1714 */ 1715 1716 struct linux_old_mixer_info { 1717 char id[16]; 1718 char name[32]; 1719 }; 1720 1721 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1722 1723 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1724 1725 static int 1726 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1727 { 1728 1729 switch (args->cmd & 0xffff) { 1730 1731 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1732 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1733 return (sys_ioctl(td, (struct ioctl_args *)args)); 1734 1735 case LINUX_SOUND_MIXER_WRITE_BASS: 1736 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1737 return (sys_ioctl(td, (struct ioctl_args *)args)); 1738 1739 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1740 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1741 return (sys_ioctl(td, (struct ioctl_args *)args)); 1742 1743 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1744 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1745 return (sys_ioctl(td, (struct ioctl_args *)args)); 1746 1747 case LINUX_SOUND_MIXER_WRITE_PCM: 1748 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1749 return (sys_ioctl(td, (struct ioctl_args *)args)); 1750 1751 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1752 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1753 return (sys_ioctl(td, (struct ioctl_args *)args)); 1754 1755 case LINUX_SOUND_MIXER_WRITE_LINE: 1756 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1757 return (sys_ioctl(td, (struct ioctl_args *)args)); 1758 1759 case LINUX_SOUND_MIXER_WRITE_MIC: 1760 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1761 return (sys_ioctl(td, (struct ioctl_args *)args)); 1762 1763 case LINUX_SOUND_MIXER_WRITE_CD: 1764 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1765 return (sys_ioctl(td, (struct ioctl_args *)args)); 1766 1767 case LINUX_SOUND_MIXER_WRITE_IMIX: 1768 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1769 return (sys_ioctl(td, (struct ioctl_args *)args)); 1770 1771 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1772 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1773 return (sys_ioctl(td, (struct ioctl_args *)args)); 1774 1775 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1776 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1777 return (sys_ioctl(td, (struct ioctl_args *)args)); 1778 1779 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1780 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1781 return (sys_ioctl(td, (struct ioctl_args *)args)); 1782 1783 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1784 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1785 return (sys_ioctl(td, (struct ioctl_args *)args)); 1786 1787 case LINUX_SOUND_MIXER_WRITE_LINE1: 1788 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1789 return (sys_ioctl(td, (struct ioctl_args *)args)); 1790 1791 case LINUX_SOUND_MIXER_WRITE_LINE2: 1792 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1793 return (sys_ioctl(td, (struct ioctl_args *)args)); 1794 1795 case LINUX_SOUND_MIXER_WRITE_LINE3: 1796 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1797 return (sys_ioctl(td, (struct ioctl_args *)args)); 1798 1799 case LINUX_SOUND_MIXER_INFO: { 1800 /* Key on encoded length */ 1801 switch ((args->cmd >> 16) & 0x1fff) { 1802 case 0x005c: { /* SOUND_MIXER_INFO */ 1803 args->cmd = SOUND_MIXER_INFO; 1804 return (sys_ioctl(td, (struct ioctl_args *)args)); 1805 } 1806 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1807 struct linux_old_mixer_info info; 1808 bzero(&info, sizeof(info)); 1809 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1810 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1811 copyout(&info, (void *)args->arg, sizeof(info)); 1812 return (0); 1813 } 1814 default: 1815 return (ENOIOCTL); 1816 } 1817 break; 1818 } 1819 1820 case LINUX_OSS_GETVERSION: { 1821 int version = linux_get_oss_version(td); 1822 return (copyout(&version, (void *)args->arg, sizeof(int))); 1823 } 1824 1825 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1826 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1827 return (sys_ioctl(td, (struct ioctl_args *)args)); 1828 1829 case LINUX_SOUND_MIXER_READ_CAPS: 1830 args->cmd = SOUND_MIXER_READ_CAPS; 1831 return (sys_ioctl(td, (struct ioctl_args *)args)); 1832 1833 case LINUX_SOUND_MIXER_READ_RECMASK: 1834 args->cmd = SOUND_MIXER_READ_RECMASK; 1835 return (sys_ioctl(td, (struct ioctl_args *)args)); 1836 1837 case LINUX_SOUND_MIXER_READ_DEVMASK: 1838 args->cmd = SOUND_MIXER_READ_DEVMASK; 1839 return (sys_ioctl(td, (struct ioctl_args *)args)); 1840 1841 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1842 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1843 return (sys_ioctl(td, (struct ioctl_args *)args)); 1844 1845 case LINUX_SNDCTL_DSP_RESET: 1846 args->cmd = SNDCTL_DSP_RESET; 1847 return (sys_ioctl(td, (struct ioctl_args *)args)); 1848 1849 case LINUX_SNDCTL_DSP_SYNC: 1850 args->cmd = SNDCTL_DSP_SYNC; 1851 return (sys_ioctl(td, (struct ioctl_args *)args)); 1852 1853 case LINUX_SNDCTL_DSP_SPEED: 1854 args->cmd = SNDCTL_DSP_SPEED; 1855 return (sys_ioctl(td, (struct ioctl_args *)args)); 1856 1857 case LINUX_SNDCTL_DSP_STEREO: 1858 args->cmd = SNDCTL_DSP_STEREO; 1859 return (sys_ioctl(td, (struct ioctl_args *)args)); 1860 1861 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1862 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1863 return (sys_ioctl(td, (struct ioctl_args *)args)); 1864 1865 case LINUX_SNDCTL_DSP_SETFMT: 1866 args->cmd = SNDCTL_DSP_SETFMT; 1867 return (sys_ioctl(td, (struct ioctl_args *)args)); 1868 1869 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1870 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1871 return (sys_ioctl(td, (struct ioctl_args *)args)); 1872 1873 case LINUX_SOUND_PCM_WRITE_FILTER: 1874 args->cmd = SOUND_PCM_WRITE_FILTER; 1875 return (sys_ioctl(td, (struct ioctl_args *)args)); 1876 1877 case LINUX_SNDCTL_DSP_POST: 1878 args->cmd = SNDCTL_DSP_POST; 1879 return (sys_ioctl(td, (struct ioctl_args *)args)); 1880 1881 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1882 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1883 return (sys_ioctl(td, (struct ioctl_args *)args)); 1884 1885 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1886 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1887 return (sys_ioctl(td, (struct ioctl_args *)args)); 1888 1889 case LINUX_SNDCTL_DSP_GETFMTS: 1890 args->cmd = SNDCTL_DSP_GETFMTS; 1891 return (sys_ioctl(td, (struct ioctl_args *)args)); 1892 1893 case LINUX_SNDCTL_DSP_GETOSPACE: 1894 args->cmd = SNDCTL_DSP_GETOSPACE; 1895 return (sys_ioctl(td, (struct ioctl_args *)args)); 1896 1897 case LINUX_SNDCTL_DSP_GETISPACE: 1898 args->cmd = SNDCTL_DSP_GETISPACE; 1899 return (sys_ioctl(td, (struct ioctl_args *)args)); 1900 1901 case LINUX_SNDCTL_DSP_NONBLOCK: 1902 args->cmd = SNDCTL_DSP_NONBLOCK; 1903 return (sys_ioctl(td, (struct ioctl_args *)args)); 1904 1905 case LINUX_SNDCTL_DSP_GETCAPS: 1906 args->cmd = SNDCTL_DSP_GETCAPS; 1907 return (sys_ioctl(td, (struct ioctl_args *)args)); 1908 1909 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1910 args->cmd = SNDCTL_DSP_SETTRIGGER; 1911 return (sys_ioctl(td, (struct ioctl_args *)args)); 1912 1913 case LINUX_SNDCTL_DSP_GETIPTR: 1914 args->cmd = SNDCTL_DSP_GETIPTR; 1915 return (sys_ioctl(td, (struct ioctl_args *)args)); 1916 1917 case LINUX_SNDCTL_DSP_GETOPTR: 1918 args->cmd = SNDCTL_DSP_GETOPTR; 1919 return (sys_ioctl(td, (struct ioctl_args *)args)); 1920 1921 case LINUX_SNDCTL_DSP_SETDUPLEX: 1922 args->cmd = SNDCTL_DSP_SETDUPLEX; 1923 return (sys_ioctl(td, (struct ioctl_args *)args)); 1924 1925 case LINUX_SNDCTL_DSP_GETODELAY: 1926 args->cmd = SNDCTL_DSP_GETODELAY; 1927 return (sys_ioctl(td, (struct ioctl_args *)args)); 1928 1929 case LINUX_SNDCTL_SEQ_RESET: 1930 args->cmd = SNDCTL_SEQ_RESET; 1931 return (sys_ioctl(td, (struct ioctl_args *)args)); 1932 1933 case LINUX_SNDCTL_SEQ_SYNC: 1934 args->cmd = SNDCTL_SEQ_SYNC; 1935 return (sys_ioctl(td, (struct ioctl_args *)args)); 1936 1937 case LINUX_SNDCTL_SYNTH_INFO: 1938 args->cmd = SNDCTL_SYNTH_INFO; 1939 return (sys_ioctl(td, (struct ioctl_args *)args)); 1940 1941 case LINUX_SNDCTL_SEQ_CTRLRATE: 1942 args->cmd = SNDCTL_SEQ_CTRLRATE; 1943 return (sys_ioctl(td, (struct ioctl_args *)args)); 1944 1945 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1946 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1947 return (sys_ioctl(td, (struct ioctl_args *)args)); 1948 1949 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1950 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1951 return (sys_ioctl(td, (struct ioctl_args *)args)); 1952 1953 case LINUX_SNDCTL_SEQ_PERCMODE: 1954 args->cmd = SNDCTL_SEQ_PERCMODE; 1955 return (sys_ioctl(td, (struct ioctl_args *)args)); 1956 1957 case LINUX_SNDCTL_FM_LOAD_INSTR: 1958 args->cmd = SNDCTL_FM_LOAD_INSTR; 1959 return (sys_ioctl(td, (struct ioctl_args *)args)); 1960 1961 case LINUX_SNDCTL_SEQ_TESTMIDI: 1962 args->cmd = SNDCTL_SEQ_TESTMIDI; 1963 return (sys_ioctl(td, (struct ioctl_args *)args)); 1964 1965 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1966 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1967 return (sys_ioctl(td, (struct ioctl_args *)args)); 1968 1969 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1970 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1971 return (sys_ioctl(td, (struct ioctl_args *)args)); 1972 1973 case LINUX_SNDCTL_SEQ_NRMIDIS: 1974 args->cmd = SNDCTL_SEQ_NRMIDIS; 1975 return (sys_ioctl(td, (struct ioctl_args *)args)); 1976 1977 case LINUX_SNDCTL_MIDI_INFO: 1978 args->cmd = SNDCTL_MIDI_INFO; 1979 return (sys_ioctl(td, (struct ioctl_args *)args)); 1980 1981 case LINUX_SNDCTL_SEQ_TRESHOLD: 1982 args->cmd = SNDCTL_SEQ_TRESHOLD; 1983 return (sys_ioctl(td, (struct ioctl_args *)args)); 1984 1985 case LINUX_SNDCTL_SYNTH_MEMAVL: 1986 args->cmd = SNDCTL_SYNTH_MEMAVL; 1987 return (sys_ioctl(td, (struct ioctl_args *)args)); 1988 1989 } 1990 1991 return (ENOIOCTL); 1992 } 1993 1994 /* 1995 * Console related ioctls 1996 */ 1997 1998 static int 1999 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 2000 { 2001 cap_rights_t rights; 2002 struct file *fp; 2003 int error; 2004 2005 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2006 if (error != 0) 2007 return (error); 2008 switch (args->cmd & 0xffff) { 2009 2010 case LINUX_KIOCSOUND: 2011 args->cmd = KIOCSOUND; 2012 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2013 break; 2014 2015 case LINUX_KDMKTONE: 2016 args->cmd = KDMKTONE; 2017 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2018 break; 2019 2020 case LINUX_KDGETLED: 2021 args->cmd = KDGETLED; 2022 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2023 break; 2024 2025 case LINUX_KDSETLED: 2026 args->cmd = KDSETLED; 2027 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2028 break; 2029 2030 case LINUX_KDSETMODE: 2031 args->cmd = KDSETMODE; 2032 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2033 break; 2034 2035 case LINUX_KDGETMODE: 2036 args->cmd = KDGETMODE; 2037 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2038 break; 2039 2040 case LINUX_KDGKBMODE: 2041 args->cmd = KDGKBMODE; 2042 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2043 break; 2044 2045 case LINUX_KDSKBMODE: { 2046 int kbdmode; 2047 switch (args->arg) { 2048 case LINUX_KBD_RAW: 2049 kbdmode = K_RAW; 2050 break; 2051 case LINUX_KBD_XLATE: 2052 kbdmode = K_XLATE; 2053 break; 2054 case LINUX_KBD_MEDIUMRAW: 2055 kbdmode = K_RAW; 2056 break; 2057 default: 2058 fdrop(fp, td); 2059 return (EINVAL); 2060 } 2061 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2062 td->td_ucred, td)); 2063 break; 2064 } 2065 2066 case LINUX_VT_OPENQRY: 2067 args->cmd = VT_OPENQRY; 2068 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2069 break; 2070 2071 case LINUX_VT_GETMODE: 2072 args->cmd = VT_GETMODE; 2073 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2074 break; 2075 2076 case LINUX_VT_SETMODE: { 2077 struct vt_mode mode; 2078 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2079 break; 2080 if (LINUX_SIG_VALID(mode.relsig)) 2081 mode.relsig = linux_to_bsd_signal(mode.relsig); 2082 else 2083 mode.relsig = 0; 2084 if (LINUX_SIG_VALID(mode.acqsig)) 2085 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2086 else 2087 mode.acqsig = 0; 2088 /* XXX. Linux ignores frsig and set it to 0. */ 2089 mode.frsig = 0; 2090 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2091 break; 2092 args->cmd = VT_SETMODE; 2093 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2094 break; 2095 } 2096 2097 case LINUX_VT_GETSTATE: 2098 args->cmd = VT_GETACTIVE; 2099 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2100 break; 2101 2102 case LINUX_VT_RELDISP: 2103 args->cmd = VT_RELDISP; 2104 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2105 break; 2106 2107 case LINUX_VT_ACTIVATE: 2108 args->cmd = VT_ACTIVATE; 2109 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2110 break; 2111 2112 case LINUX_VT_WAITACTIVE: 2113 args->cmd = VT_WAITACTIVE; 2114 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2115 break; 2116 2117 default: 2118 error = ENOIOCTL; 2119 break; 2120 } 2121 2122 fdrop(fp, td); 2123 return (error); 2124 } 2125 2126 /* 2127 * Criteria for interface name translation 2128 */ 2129 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2130 2131 /* 2132 * Translate a Linux interface name to a FreeBSD interface name, 2133 * and return the associated ifnet structure 2134 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2135 * can point to the same buffer. 2136 */ 2137 2138 static struct ifnet * 2139 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2140 { 2141 struct ifnet *ifp; 2142 int len, unit; 2143 char *ep; 2144 int is_eth, index; 2145 2146 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2147 if (!isalpha(lxname[len])) 2148 break; 2149 if (len == 0 || len == LINUX_IFNAMSIZ) 2150 return (NULL); 2151 unit = (int)strtoul(lxname + len, &ep, 10); 2152 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2153 return (NULL); 2154 index = 0; 2155 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2156 CURVNET_SET(TD_TO_VNET(td)); 2157 IFNET_RLOCK(); 2158 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2159 /* 2160 * Allow Linux programs to use FreeBSD names. Don't presume 2161 * we never have an interface named "eth", so don't make 2162 * the test optional based on is_eth. 2163 */ 2164 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2165 break; 2166 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2167 break; 2168 } 2169 IFNET_RUNLOCK(); 2170 CURVNET_RESTORE(); 2171 if (ifp != NULL) 2172 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2173 return (ifp); 2174 } 2175 2176 /* 2177 * Implement the SIOCGIFNAME ioctl 2178 */ 2179 2180 static int 2181 linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) 2182 { 2183 struct l_ifreq ifr; 2184 struct ifnet *ifp; 2185 int error, ethno, index; 2186 2187 error = copyin(uifr, &ifr, sizeof(ifr)); 2188 if (error != 0) 2189 return (error); 2190 2191 CURVNET_SET(TD_TO_VNET(curthread)); 2192 IFNET_RLOCK(); 2193 index = 1; /* ifr.ifr_ifindex starts from 1 */ 2194 ethno = 0; 2195 error = ENODEV; 2196 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2197 if (ifr.ifr_ifindex == index) { 2198 if (IFP_IS_ETH(ifp)) 2199 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, 2200 "eth%d", ethno); 2201 else 2202 strlcpy(ifr.ifr_name, ifp->if_xname, 2203 LINUX_IFNAMSIZ); 2204 error = 0; 2205 break; 2206 } 2207 if (IFP_IS_ETH(ifp)) 2208 ethno++; 2209 index++; 2210 } 2211 IFNET_RUNLOCK(); 2212 if (error == 0) 2213 error = copyout(&ifr, uifr, sizeof(ifr)); 2214 CURVNET_RESTORE(); 2215 2216 return (error); 2217 } 2218 2219 /* 2220 * Implement the SIOCGIFCONF ioctl 2221 */ 2222 2223 static int 2224 linux_ifconf(struct thread *td, struct ifconf *uifc) 2225 { 2226 #ifdef COMPAT_LINUX32 2227 struct l_ifconf ifc; 2228 #else 2229 struct ifconf ifc; 2230 #endif 2231 struct l_ifreq ifr; 2232 struct ifnet *ifp; 2233 struct ifaddr *ifa; 2234 struct sbuf *sb; 2235 int error, ethno, full = 0, valid_len, max_len; 2236 2237 error = copyin(uifc, &ifc, sizeof(ifc)); 2238 if (error != 0) 2239 return (error); 2240 2241 max_len = MAXPHYS - 1; 2242 2243 CURVNET_SET(TD_TO_VNET(td)); 2244 /* handle the 'request buffer size' case */ 2245 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2246 ifc.ifc_len = 0; 2247 IFNET_RLOCK(); 2248 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2249 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2250 struct sockaddr *sa = ifa->ifa_addr; 2251 if (sa->sa_family == AF_INET) 2252 ifc.ifc_len += sizeof(ifr); 2253 } 2254 } 2255 IFNET_RUNLOCK(); 2256 error = copyout(&ifc, uifc, sizeof(ifc)); 2257 CURVNET_RESTORE(); 2258 return (error); 2259 } 2260 2261 if (ifc.ifc_len <= 0) { 2262 CURVNET_RESTORE(); 2263 return (EINVAL); 2264 } 2265 2266 again: 2267 /* Keep track of eth interfaces */ 2268 ethno = 0; 2269 if (ifc.ifc_len <= max_len) { 2270 max_len = ifc.ifc_len; 2271 full = 1; 2272 } 2273 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2274 max_len = 0; 2275 valid_len = 0; 2276 2277 /* Return all AF_INET addresses of all interfaces */ 2278 IFNET_RLOCK(); 2279 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2280 int addrs = 0; 2281 2282 bzero(&ifr, sizeof(ifr)); 2283 if (IFP_IS_ETH(ifp)) 2284 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2285 ethno++); 2286 else 2287 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2288 2289 /* Walk the address list */ 2290 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2291 struct sockaddr *sa = ifa->ifa_addr; 2292 2293 if (sa->sa_family == AF_INET) { 2294 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2295 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2296 sizeof(ifr.ifr_addr.sa_data)); 2297 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2298 max_len += sizeof(ifr); 2299 addrs++; 2300 } 2301 2302 if (sbuf_error(sb) == 0) 2303 valid_len = sbuf_len(sb); 2304 } 2305 if (addrs == 0) { 2306 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2307 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2308 max_len += sizeof(ifr); 2309 2310 if (sbuf_error(sb) == 0) 2311 valid_len = sbuf_len(sb); 2312 } 2313 } 2314 IFNET_RUNLOCK(); 2315 2316 if (valid_len != max_len && !full) { 2317 sbuf_delete(sb); 2318 goto again; 2319 } 2320 2321 ifc.ifc_len = valid_len; 2322 sbuf_finish(sb); 2323 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2324 if (error == 0) 2325 error = copyout(&ifc, uifc, sizeof(ifc)); 2326 sbuf_delete(sb); 2327 CURVNET_RESTORE(); 2328 2329 return (error); 2330 } 2331 2332 static int 2333 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2334 { 2335 l_short flags; 2336 2337 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2338 /* these flags have no Linux equivalent */ 2339 flags &= ~(IFF_DRV_OACTIVE|IFF_SIMPLEX| 2340 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2341 /* Linux' multicast flag is in a different bit */ 2342 if (flags & IFF_MULTICAST) { 2343 flags &= ~IFF_MULTICAST; 2344 flags |= 0x1000; 2345 } 2346 2347 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2348 } 2349 2350 #define ARPHRD_ETHER 1 2351 #define ARPHRD_LOOPBACK 772 2352 2353 static int 2354 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2355 { 2356 struct ifaddr *ifa; 2357 struct sockaddr_dl *sdl; 2358 struct l_sockaddr lsa; 2359 2360 if (ifp->if_type == IFT_LOOP) { 2361 bzero(&lsa, sizeof(lsa)); 2362 lsa.sa_family = ARPHRD_LOOPBACK; 2363 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2364 } 2365 2366 if (ifp->if_type != IFT_ETHER) 2367 return (ENOENT); 2368 2369 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2370 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2371 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2372 (sdl->sdl_type == IFT_ETHER)) { 2373 bzero(&lsa, sizeof(lsa)); 2374 lsa.sa_family = ARPHRD_ETHER; 2375 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2376 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2377 } 2378 } 2379 2380 return (ENOENT); 2381 } 2382 2383 2384 /* 2385 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2386 * the native ioctl(). Thus, we don't really need to check the return 2387 * value of this function. 2388 */ 2389 static int 2390 bsd_to_linux_ifreq(struct ifreq *arg) 2391 { 2392 struct ifreq ifr; 2393 size_t ifr_len = sizeof(struct ifreq); 2394 int error; 2395 2396 if ((error = copyin(arg, &ifr, ifr_len))) 2397 return (error); 2398 2399 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2400 2401 error = copyout(&ifr, arg, ifr_len); 2402 2403 return (error); 2404 } 2405 2406 /* 2407 * Socket related ioctls 2408 */ 2409 2410 static int 2411 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2412 { 2413 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2414 cap_rights_t rights; 2415 struct ifnet *ifp; 2416 struct file *fp; 2417 int error, type; 2418 2419 ifp = NULL; 2420 error = 0; 2421 2422 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2423 if (error != 0) 2424 return (error); 2425 type = fp->f_type; 2426 fdrop(fp, td); 2427 if (type != DTYPE_SOCKET) { 2428 /* not a socket - probably a tap / vmnet device */ 2429 switch (args->cmd) { 2430 case LINUX_SIOCGIFADDR: 2431 case LINUX_SIOCSIFADDR: 2432 case LINUX_SIOCGIFFLAGS: 2433 return (linux_ioctl_special(td, args)); 2434 default: 2435 return (ENOIOCTL); 2436 } 2437 } 2438 2439 switch (args->cmd & 0xffff) { 2440 2441 case LINUX_FIOGETOWN: 2442 case LINUX_FIOSETOWN: 2443 case LINUX_SIOCADDMULTI: 2444 case LINUX_SIOCATMARK: 2445 case LINUX_SIOCDELMULTI: 2446 case LINUX_SIOCGIFNAME: 2447 case LINUX_SIOCGIFCONF: 2448 case LINUX_SIOCGPGRP: 2449 case LINUX_SIOCSPGRP: 2450 case LINUX_SIOCGIFCOUNT: 2451 /* these ioctls don't take an interface name */ 2452 #ifdef DEBUG 2453 printf("%s(): ioctl %d\n", __func__, 2454 args->cmd & 0xffff); 2455 #endif 2456 break; 2457 2458 case LINUX_SIOCGIFFLAGS: 2459 case LINUX_SIOCGIFADDR: 2460 case LINUX_SIOCSIFADDR: 2461 case LINUX_SIOCGIFDSTADDR: 2462 case LINUX_SIOCGIFBRDADDR: 2463 case LINUX_SIOCGIFNETMASK: 2464 case LINUX_SIOCSIFNETMASK: 2465 case LINUX_SIOCGIFMTU: 2466 case LINUX_SIOCSIFMTU: 2467 case LINUX_SIOCSIFNAME: 2468 case LINUX_SIOCGIFHWADDR: 2469 case LINUX_SIOCSIFHWADDR: 2470 case LINUX_SIOCDEVPRIVATE: 2471 case LINUX_SIOCDEVPRIVATE+1: 2472 case LINUX_SIOCGIFINDEX: 2473 /* copy in the interface name and translate it. */ 2474 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2475 if (error != 0) 2476 return (error); 2477 #ifdef DEBUG 2478 printf("%s(): ioctl %d on %.*s\n", __func__, 2479 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2480 #endif 2481 memset(ifname, 0, sizeof(ifname)); 2482 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2483 if (ifp == NULL) 2484 return (EINVAL); 2485 /* 2486 * We need to copy it back out in case we pass the 2487 * request on to our native ioctl(), which will expect 2488 * the ifreq to be in user space and have the correct 2489 * interface name. 2490 */ 2491 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2492 if (error != 0) 2493 return (error); 2494 #ifdef DEBUG 2495 printf("%s(): %s translated to %s\n", __func__, 2496 lifname, ifname); 2497 #endif 2498 break; 2499 2500 default: 2501 return (ENOIOCTL); 2502 } 2503 2504 switch (args->cmd & 0xffff) { 2505 2506 case LINUX_FIOSETOWN: 2507 args->cmd = FIOSETOWN; 2508 error = sys_ioctl(td, (struct ioctl_args *)args); 2509 break; 2510 2511 case LINUX_SIOCSPGRP: 2512 args->cmd = SIOCSPGRP; 2513 error = sys_ioctl(td, (struct ioctl_args *)args); 2514 break; 2515 2516 case LINUX_FIOGETOWN: 2517 args->cmd = FIOGETOWN; 2518 error = sys_ioctl(td, (struct ioctl_args *)args); 2519 break; 2520 2521 case LINUX_SIOCGPGRP: 2522 args->cmd = SIOCGPGRP; 2523 error = sys_ioctl(td, (struct ioctl_args *)args); 2524 break; 2525 2526 case LINUX_SIOCATMARK: 2527 args->cmd = SIOCATMARK; 2528 error = sys_ioctl(td, (struct ioctl_args *)args); 2529 break; 2530 2531 /* LINUX_SIOCGSTAMP */ 2532 2533 case LINUX_SIOCGIFNAME: 2534 error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); 2535 break; 2536 2537 case LINUX_SIOCGIFCONF: 2538 error = linux_ifconf(td, (struct ifconf *)args->arg); 2539 break; 2540 2541 case LINUX_SIOCGIFFLAGS: 2542 args->cmd = SIOCGIFFLAGS; 2543 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2544 break; 2545 2546 case LINUX_SIOCGIFADDR: 2547 args->cmd = SIOCGIFADDR; 2548 error = sys_ioctl(td, (struct ioctl_args *)args); 2549 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2550 break; 2551 2552 case LINUX_SIOCSIFADDR: 2553 /* XXX probably doesn't work, included for completeness */ 2554 args->cmd = SIOCSIFADDR; 2555 error = sys_ioctl(td, (struct ioctl_args *)args); 2556 break; 2557 2558 case LINUX_SIOCGIFDSTADDR: 2559 args->cmd = SIOCGIFDSTADDR; 2560 error = sys_ioctl(td, (struct ioctl_args *)args); 2561 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2562 break; 2563 2564 case LINUX_SIOCGIFBRDADDR: 2565 args->cmd = SIOCGIFBRDADDR; 2566 error = sys_ioctl(td, (struct ioctl_args *)args); 2567 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2568 break; 2569 2570 case LINUX_SIOCGIFNETMASK: 2571 args->cmd = SIOCGIFNETMASK; 2572 error = sys_ioctl(td, (struct ioctl_args *)args); 2573 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2574 break; 2575 2576 case LINUX_SIOCSIFNETMASK: 2577 error = ENOIOCTL; 2578 break; 2579 2580 case LINUX_SIOCGIFMTU: 2581 args->cmd = SIOCGIFMTU; 2582 error = sys_ioctl(td, (struct ioctl_args *)args); 2583 break; 2584 2585 case LINUX_SIOCSIFMTU: 2586 args->cmd = SIOCSIFMTU; 2587 error = sys_ioctl(td, (struct ioctl_args *)args); 2588 break; 2589 2590 case LINUX_SIOCSIFNAME: 2591 error = ENOIOCTL; 2592 break; 2593 2594 case LINUX_SIOCGIFHWADDR: 2595 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2596 break; 2597 2598 case LINUX_SIOCSIFHWADDR: 2599 error = ENOIOCTL; 2600 break; 2601 2602 case LINUX_SIOCADDMULTI: 2603 args->cmd = SIOCADDMULTI; 2604 error = sys_ioctl(td, (struct ioctl_args *)args); 2605 break; 2606 2607 case LINUX_SIOCDELMULTI: 2608 args->cmd = SIOCDELMULTI; 2609 error = sys_ioctl(td, (struct ioctl_args *)args); 2610 break; 2611 2612 case LINUX_SIOCGIFINDEX: 2613 args->cmd = SIOCGIFINDEX; 2614 error = sys_ioctl(td, (struct ioctl_args *)args); 2615 break; 2616 2617 case LINUX_SIOCGIFCOUNT: 2618 error = 0; 2619 break; 2620 2621 /* 2622 * XXX This is slightly bogus, but these ioctls are currently 2623 * XXX only used by the aironet (if_an) network driver. 2624 */ 2625 case LINUX_SIOCDEVPRIVATE: 2626 args->cmd = SIOCGPRIVATE_0; 2627 error = sys_ioctl(td, (struct ioctl_args *)args); 2628 break; 2629 2630 case LINUX_SIOCDEVPRIVATE+1: 2631 args->cmd = SIOCGPRIVATE_1; 2632 error = sys_ioctl(td, (struct ioctl_args *)args); 2633 break; 2634 } 2635 2636 if (ifp != NULL) 2637 /* restore the original interface name */ 2638 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2639 2640 #ifdef DEBUG 2641 printf("%s(): returning %d\n", __func__, error); 2642 #endif 2643 return (error); 2644 } 2645 2646 /* 2647 * Device private ioctl handler 2648 */ 2649 static int 2650 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2651 { 2652 cap_rights_t rights; 2653 struct file *fp; 2654 int error, type; 2655 2656 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2657 if (error != 0) 2658 return (error); 2659 type = fp->f_type; 2660 fdrop(fp, td); 2661 if (type == DTYPE_SOCKET) 2662 return (linux_ioctl_socket(td, args)); 2663 return (ENOIOCTL); 2664 } 2665 2666 /* 2667 * DRM ioctl handler (sys/dev/drm) 2668 */ 2669 static int 2670 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2671 { 2672 args->cmd = SETDIR(args->cmd); 2673 return sys_ioctl(td, (struct ioctl_args *)args); 2674 } 2675 2676 #ifdef COMPAT_LINUX32 2677 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 2678 #define PTRIN_CP(src,dst,fld) \ 2679 do { (dst).fld = PTRIN((src).fld); } while (0) 2680 #define PTROUT_CP(src,dst,fld) \ 2681 do { (dst).fld = PTROUT((src).fld); } while (0) 2682 2683 static int 2684 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2685 { 2686 struct sg_io_hdr io; 2687 struct sg_io_hdr32 io32; 2688 cap_rights_t rights; 2689 struct file *fp; 2690 int error; 2691 2692 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2693 if (error != 0) { 2694 printf("sg_linux_ioctl: fget returned %d\n", error); 2695 return (error); 2696 } 2697 2698 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2699 goto out; 2700 2701 CP(io32, io, interface_id); 2702 CP(io32, io, dxfer_direction); 2703 CP(io32, io, cmd_len); 2704 CP(io32, io, mx_sb_len); 2705 CP(io32, io, iovec_count); 2706 CP(io32, io, dxfer_len); 2707 PTRIN_CP(io32, io, dxferp); 2708 PTRIN_CP(io32, io, cmdp); 2709 PTRIN_CP(io32, io, sbp); 2710 CP(io32, io, timeout); 2711 CP(io32, io, flags); 2712 CP(io32, io, pack_id); 2713 PTRIN_CP(io32, io, usr_ptr); 2714 CP(io32, io, status); 2715 CP(io32, io, masked_status); 2716 CP(io32, io, msg_status); 2717 CP(io32, io, sb_len_wr); 2718 CP(io32, io, host_status); 2719 CP(io32, io, driver_status); 2720 CP(io32, io, resid); 2721 CP(io32, io, duration); 2722 CP(io32, io, info); 2723 2724 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2725 goto out; 2726 2727 CP(io, io32, interface_id); 2728 CP(io, io32, dxfer_direction); 2729 CP(io, io32, cmd_len); 2730 CP(io, io32, mx_sb_len); 2731 CP(io, io32, iovec_count); 2732 CP(io, io32, dxfer_len); 2733 PTROUT_CP(io, io32, dxferp); 2734 PTROUT_CP(io, io32, cmdp); 2735 PTROUT_CP(io, io32, sbp); 2736 CP(io, io32, timeout); 2737 CP(io, io32, flags); 2738 CP(io, io32, pack_id); 2739 PTROUT_CP(io, io32, usr_ptr); 2740 CP(io, io32, status); 2741 CP(io, io32, masked_status); 2742 CP(io, io32, msg_status); 2743 CP(io, io32, sb_len_wr); 2744 CP(io, io32, host_status); 2745 CP(io, io32, driver_status); 2746 CP(io, io32, resid); 2747 CP(io, io32, duration); 2748 CP(io, io32, info); 2749 2750 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2751 2752 out: 2753 fdrop(fp, td); 2754 return (error); 2755 } 2756 #endif 2757 2758 static int 2759 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2760 { 2761 2762 switch (args->cmd) { 2763 case LINUX_SG_GET_VERSION_NUM: 2764 args->cmd = SG_GET_VERSION_NUM; 2765 break; 2766 case LINUX_SG_SET_TIMEOUT: 2767 args->cmd = SG_SET_TIMEOUT; 2768 break; 2769 case LINUX_SG_GET_TIMEOUT: 2770 args->cmd = SG_GET_TIMEOUT; 2771 break; 2772 case LINUX_SG_IO: 2773 args->cmd = SG_IO; 2774 #ifdef COMPAT_LINUX32 2775 return (linux_ioctl_sg_io(td, args)); 2776 #endif 2777 break; 2778 case LINUX_SG_GET_RESERVED_SIZE: 2779 args->cmd = SG_GET_RESERVED_SIZE; 2780 break; 2781 case LINUX_SG_GET_SCSI_ID: 2782 args->cmd = SG_GET_SCSI_ID; 2783 break; 2784 case LINUX_SG_GET_SG_TABLESIZE: 2785 args->cmd = SG_GET_SG_TABLESIZE; 2786 break; 2787 default: 2788 return (ENODEV); 2789 } 2790 return (sys_ioctl(td, (struct ioctl_args *)args)); 2791 } 2792 2793 /* 2794 * Video4Linux (V4L) ioctl handler 2795 */ 2796 static int 2797 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2798 { 2799 vt->tuner = lvt->tuner; 2800 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2801 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2802 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2803 vt->flags = lvt->flags; 2804 vt->mode = lvt->mode; 2805 vt->signal = lvt->signal; 2806 return (0); 2807 } 2808 2809 static int 2810 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2811 { 2812 lvt->tuner = vt->tuner; 2813 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2814 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2815 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2816 lvt->flags = vt->flags; 2817 lvt->mode = vt->mode; 2818 lvt->signal = vt->signal; 2819 return (0); 2820 } 2821 2822 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2823 static int 2824 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2825 { 2826 vc->x = lvc->x; 2827 vc->y = lvc->y; 2828 vc->width = lvc->width; 2829 vc->height = lvc->height; 2830 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2831 return (0); 2832 } 2833 #endif 2834 2835 static int 2836 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2837 { 2838 vw->x = lvw->x; 2839 vw->y = lvw->y; 2840 vw->width = lvw->width; 2841 vw->height = lvw->height; 2842 vw->chromakey = lvw->chromakey; 2843 vw->flags = lvw->flags; 2844 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2845 vw->clipcount = lvw->clipcount; 2846 return (0); 2847 } 2848 2849 static int 2850 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2851 { 2852 lvw->x = vw->x; 2853 lvw->y = vw->y; 2854 lvw->width = vw->width; 2855 lvw->height = vw->height; 2856 lvw->chromakey = vw->chromakey; 2857 lvw->flags = vw->flags; 2858 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2859 lvw->clipcount = vw->clipcount; 2860 return (0); 2861 } 2862 2863 static int 2864 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2865 { 2866 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2867 vb->height = lvb->height; 2868 vb->width = lvb->width; 2869 vb->depth = lvb->depth; 2870 vb->bytesperline = lvb->bytesperline; 2871 return (0); 2872 } 2873 2874 static int 2875 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2876 { 2877 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2878 lvb->height = vb->height; 2879 lvb->width = vb->width; 2880 lvb->depth = vb->depth; 2881 lvb->bytesperline = vb->bytesperline; 2882 return (0); 2883 } 2884 2885 static int 2886 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2887 { 2888 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2889 vc->datasize = lvc->datasize; 2890 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2891 return (0); 2892 } 2893 2894 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2895 static int 2896 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2897 { 2898 int error; 2899 struct video_clip vclip; 2900 struct l_video_clip l_vclip; 2901 2902 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2903 if (error) return (error); 2904 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2905 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2906 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2907 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2908 memcpy(*ppvc, &vclip, sizeof(vclip)); 2909 (*ppvc)->next = NULL; 2910 return (0); 2911 } 2912 2913 static int 2914 linux_v4l_cliplist_free(struct video_window *vw) 2915 { 2916 struct video_clip **ppvc; 2917 struct video_clip **ppvc_next; 2918 2919 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2920 ppvc_next = &((*ppvc)->next); 2921 free(*ppvc, M_LINUX); 2922 } 2923 vw->clips = NULL; 2924 2925 return (0); 2926 } 2927 2928 static int 2929 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2930 { 2931 int error; 2932 int clipcount; 2933 void *plvc; 2934 struct video_clip **ppvc; 2935 2936 /* 2937 * XXX: The cliplist is used to pass in a list of clipping 2938 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2939 * clipping bitmap. Some Linux apps, however, appear to 2940 * leave cliplist and clips uninitialized. In any case, 2941 * the cliplist is not used by pwc(4), at the time of 2942 * writing, FreeBSD's only V4L driver. When a driver 2943 * that uses the cliplist is developed, this code may 2944 * need re-examiniation. 2945 */ 2946 error = 0; 2947 clipcount = vw->clipcount; 2948 if (clipcount == VIDEO_CLIP_BITMAP) { 2949 /* 2950 * In this case, the pointer (clips) is overloaded 2951 * to be a "void *" to a bitmap, therefore there 2952 * is no struct video_clip to copy now. 2953 */ 2954 } else if (clipcount > 0 && clipcount <= 16384) { 2955 /* 2956 * Clips points to list of clip rectangles, so 2957 * copy the list. 2958 * 2959 * XXX: Upper limit of 16384 was used here to try to 2960 * avoid cases when clipcount and clips pointer 2961 * are uninitialized and therefore have high random 2962 * values, as is the case in the Linux Skype 2963 * application. The value 16384 was chosen as that 2964 * is what is used in the Linux stradis(4) MPEG 2965 * decoder driver, the only place we found an 2966 * example of cliplist use. 2967 */ 2968 plvc = PTRIN(lvw->clips); 2969 vw->clips = NULL; 2970 ppvc = &(vw->clips); 2971 while (clipcount-- > 0) { 2972 if (plvc == NULL) { 2973 error = EFAULT; 2974 break; 2975 } else { 2976 error = linux_v4l_clip_copy(plvc, ppvc); 2977 if (error) { 2978 linux_v4l_cliplist_free(vw); 2979 break; 2980 } 2981 } 2982 ppvc = &((*ppvc)->next); 2983 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2984 } 2985 } else { 2986 /* 2987 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2988 * Force cliplist to null. 2989 */ 2990 vw->clipcount = 0; 2991 vw->clips = NULL; 2992 } 2993 return (error); 2994 } 2995 #endif 2996 2997 static int 2998 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2999 { 3000 cap_rights_t rights; 3001 struct file *fp; 3002 int error; 3003 struct video_tuner vtun; 3004 struct video_window vwin; 3005 struct video_buffer vbuf; 3006 struct video_code vcode; 3007 struct l_video_tuner l_vtun; 3008 struct l_video_window l_vwin; 3009 struct l_video_buffer l_vbuf; 3010 struct l_video_code l_vcode; 3011 3012 switch (args->cmd & 0xffff) { 3013 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 3014 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 3015 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 3016 3017 case LINUX_VIDIOCGTUNER: 3018 error = fget(td, args->fd, 3019 cap_rights_init(&rights, CAP_IOCTL), &fp); 3020 if (error != 0) 3021 return (error); 3022 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 3023 if (error) { 3024 fdrop(fp, td); 3025 return (error); 3026 } 3027 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 3028 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 3029 if (!error) { 3030 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 3031 error = copyout(&l_vtun, (void *) args->arg, 3032 sizeof(l_vtun)); 3033 } 3034 fdrop(fp, td); 3035 return (error); 3036 3037 case LINUX_VIDIOCSTUNER: 3038 error = fget(td, args->fd, 3039 cap_rights_init(&rights, CAP_IOCTL), &fp); 3040 if (error != 0) 3041 return (error); 3042 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 3043 if (error) { 3044 fdrop(fp, td); 3045 return (error); 3046 } 3047 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 3048 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 3049 fdrop(fp, td); 3050 return (error); 3051 3052 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 3053 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 3054 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 3055 3056 case LINUX_VIDIOCGWIN: 3057 error = fget(td, args->fd, 3058 cap_rights_init(&rights, CAP_IOCTL), &fp); 3059 if (error != 0) 3060 return (error); 3061 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 3062 if (!error) { 3063 bsd_to_linux_v4l_window(&vwin, &l_vwin); 3064 error = copyout(&l_vwin, (void *) args->arg, 3065 sizeof(l_vwin)); 3066 } 3067 fdrop(fp, td); 3068 return (error); 3069 3070 case LINUX_VIDIOCSWIN: 3071 error = fget(td, args->fd, 3072 cap_rights_init(&rights, CAP_IOCTL), &fp); 3073 if (error != 0) 3074 return (error); 3075 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 3076 if (error) { 3077 fdrop(fp, td); 3078 return (error); 3079 } 3080 linux_to_bsd_v4l_window(&l_vwin, &vwin); 3081 #ifdef COMPAT_LINUX_V4L_CLIPLIST 3082 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 3083 if (error) { 3084 fdrop(fp, td); 3085 return (error); 3086 } 3087 #endif 3088 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 3089 fdrop(fp, td); 3090 #ifdef COMPAT_LINUX_V4L_CLIPLIST 3091 linux_v4l_cliplist_free(&vwin); 3092 #endif 3093 return (error); 3094 3095 case LINUX_VIDIOCGFBUF: 3096 error = fget(td, args->fd, 3097 cap_rights_init(&rights, CAP_IOCTL), &fp); 3098 if (error != 0) 3099 return (error); 3100 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 3101 if (!error) { 3102 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 3103 error = copyout(&l_vbuf, (void *) args->arg, 3104 sizeof(l_vbuf)); 3105 } 3106 fdrop(fp, td); 3107 return (error); 3108 3109 case LINUX_VIDIOCSFBUF: 3110 error = fget(td, args->fd, 3111 cap_rights_init(&rights, CAP_IOCTL), &fp); 3112 if (error != 0) 3113 return (error); 3114 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 3115 if (error) { 3116 fdrop(fp, td); 3117 return (error); 3118 } 3119 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3120 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3121 fdrop(fp, td); 3122 return (error); 3123 3124 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3125 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3126 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3127 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3128 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3129 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3130 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3131 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3132 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3133 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3134 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3135 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3136 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3137 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3138 3139 case LINUX_VIDIOCSMICROCODE: 3140 error = fget(td, args->fd, 3141 cap_rights_init(&rights, CAP_IOCTL), &fp); 3142 if (error != 0) 3143 return (error); 3144 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3145 if (error) { 3146 fdrop(fp, td); 3147 return (error); 3148 } 3149 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3150 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3151 fdrop(fp, td); 3152 return (error); 3153 3154 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3155 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3156 default: return (ENOIOCTL); 3157 } 3158 3159 error = sys_ioctl(td, (struct ioctl_args *)args); 3160 return (error); 3161 } 3162 3163 /* 3164 * Special ioctl handler 3165 */ 3166 static int 3167 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3168 { 3169 int error; 3170 3171 switch (args->cmd) { 3172 case LINUX_SIOCGIFADDR: 3173 args->cmd = SIOCGIFADDR; 3174 error = sys_ioctl(td, (struct ioctl_args *)args); 3175 break; 3176 case LINUX_SIOCSIFADDR: 3177 args->cmd = SIOCSIFADDR; 3178 error = sys_ioctl(td, (struct ioctl_args *)args); 3179 break; 3180 case LINUX_SIOCGIFFLAGS: 3181 args->cmd = SIOCGIFFLAGS; 3182 error = sys_ioctl(td, (struct ioctl_args *)args); 3183 break; 3184 default: 3185 error = ENOIOCTL; 3186 } 3187 3188 return (error); 3189 } 3190 3191 static int 3192 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3193 { 3194 vstd->index = lvstd->index; 3195 vstd->id = lvstd->id; 3196 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3197 memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); 3198 vstd->frameperiod = lvstd->frameperiod; 3199 vstd->framelines = lvstd->framelines; 3200 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3201 memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); 3202 return (0); 3203 } 3204 3205 static int 3206 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3207 { 3208 lvstd->index = vstd->index; 3209 lvstd->id = vstd->id; 3210 CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); 3211 memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); 3212 lvstd->frameperiod = vstd->frameperiod; 3213 lvstd->framelines = vstd->framelines; 3214 CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); 3215 memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); 3216 return (0); 3217 } 3218 3219 static int 3220 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3221 { 3222 vb->index = lvb->index; 3223 vb->type = lvb->type; 3224 vb->bytesused = lvb->bytesused; 3225 vb->flags = lvb->flags; 3226 vb->field = lvb->field; 3227 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3228 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3229 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3230 vb->sequence = lvb->sequence; 3231 vb->memory = lvb->memory; 3232 if (lvb->memory == V4L2_MEMORY_USERPTR) 3233 /* possible pointer size conversion */ 3234 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3235 else 3236 vb->m.offset = lvb->m.offset; 3237 vb->length = lvb->length; 3238 vb->input = lvb->input; 3239 vb->reserved = lvb->reserved; 3240 return (0); 3241 } 3242 3243 static int 3244 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3245 { 3246 lvb->index = vb->index; 3247 lvb->type = vb->type; 3248 lvb->bytesused = vb->bytesused; 3249 lvb->flags = vb->flags; 3250 lvb->field = vb->field; 3251 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3252 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3253 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3254 lvb->sequence = vb->sequence; 3255 lvb->memory = vb->memory; 3256 if (vb->memory == V4L2_MEMORY_USERPTR) 3257 /* possible pointer size conversion */ 3258 lvb->m.userptr = PTROUT(vb->m.userptr); 3259 else 3260 lvb->m.offset = vb->m.offset; 3261 lvb->length = vb->length; 3262 lvb->input = vb->input; 3263 lvb->reserved = vb->reserved; 3264 return (0); 3265 } 3266 3267 static int 3268 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3269 { 3270 vf->type = lvf->type; 3271 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3272 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3273 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3274 #endif 3275 ) 3276 /* 3277 * XXX TODO - needs 32 -> 64 bit conversion: 3278 * (unused by webcams?) 3279 */ 3280 return EINVAL; 3281 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3282 return 0; 3283 } 3284 3285 static int 3286 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3287 { 3288 lvf->type = vf->type; 3289 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3290 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3291 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3292 #endif 3293 ) 3294 /* 3295 * XXX TODO - needs 32 -> 64 bit conversion: 3296 * (unused by webcams?) 3297 */ 3298 return EINVAL; 3299 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3300 return 0; 3301 } 3302 static int 3303 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3304 { 3305 cap_rights_t rights; 3306 struct file *fp; 3307 int error; 3308 struct v4l2_format vformat; 3309 struct l_v4l2_format l_vformat; 3310 struct v4l2_standard vstd; 3311 struct l_v4l2_standard l_vstd; 3312 struct l_v4l2_buffer l_vbuf; 3313 struct v4l2_buffer vbuf; 3314 struct v4l2_input vinp; 3315 3316 switch (args->cmd & 0xffff) { 3317 case LINUX_VIDIOC_RESERVED: 3318 case LINUX_VIDIOC_LOG_STATUS: 3319 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3320 return ENOIOCTL; 3321 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3322 break; 3323 3324 case LINUX_VIDIOC_OVERLAY: 3325 case LINUX_VIDIOC_STREAMON: 3326 case LINUX_VIDIOC_STREAMOFF: 3327 case LINUX_VIDIOC_S_STD: 3328 case LINUX_VIDIOC_S_TUNER: 3329 case LINUX_VIDIOC_S_AUDIO: 3330 case LINUX_VIDIOC_S_AUDOUT: 3331 case LINUX_VIDIOC_S_MODULATOR: 3332 case LINUX_VIDIOC_S_FREQUENCY: 3333 case LINUX_VIDIOC_S_CROP: 3334 case LINUX_VIDIOC_S_JPEGCOMP: 3335 case LINUX_VIDIOC_S_PRIORITY: 3336 case LINUX_VIDIOC_DBG_S_REGISTER: 3337 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3338 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3339 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3340 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3341 break; 3342 3343 case LINUX_VIDIOC_QUERYCAP: 3344 case LINUX_VIDIOC_G_STD: 3345 case LINUX_VIDIOC_G_AUDIO: 3346 case LINUX_VIDIOC_G_INPUT: 3347 case LINUX_VIDIOC_G_OUTPUT: 3348 case LINUX_VIDIOC_G_AUDOUT: 3349 case LINUX_VIDIOC_G_JPEGCOMP: 3350 case LINUX_VIDIOC_QUERYSTD: 3351 case LINUX_VIDIOC_G_PRIORITY: 3352 case LINUX_VIDIOC_QUERY_DV_PRESET: 3353 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3354 break; 3355 3356 case LINUX_VIDIOC_ENUM_FMT: 3357 case LINUX_VIDIOC_REQBUFS: 3358 case LINUX_VIDIOC_G_PARM: 3359 case LINUX_VIDIOC_S_PARM: 3360 case LINUX_VIDIOC_G_CTRL: 3361 case LINUX_VIDIOC_S_CTRL: 3362 case LINUX_VIDIOC_G_TUNER: 3363 case LINUX_VIDIOC_QUERYCTRL: 3364 case LINUX_VIDIOC_QUERYMENU: 3365 case LINUX_VIDIOC_S_INPUT: 3366 case LINUX_VIDIOC_S_OUTPUT: 3367 case LINUX_VIDIOC_ENUMOUTPUT: 3368 case LINUX_VIDIOC_G_MODULATOR: 3369 case LINUX_VIDIOC_G_FREQUENCY: 3370 case LINUX_VIDIOC_CROPCAP: 3371 case LINUX_VIDIOC_G_CROP: 3372 case LINUX_VIDIOC_ENUMAUDIO: 3373 case LINUX_VIDIOC_ENUMAUDOUT: 3374 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3375 #ifdef VIDIOC_ENUM_FRAMESIZES 3376 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3377 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3378 case LINUX_VIDIOC_ENCODER_CMD: 3379 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3380 #endif 3381 case LINUX_VIDIOC_DBG_G_REGISTER: 3382 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3383 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3384 case LINUX_VIDIOC_S_DV_PRESET: 3385 case LINUX_VIDIOC_G_DV_PRESET: 3386 case LINUX_VIDIOC_S_DV_TIMINGS: 3387 case LINUX_VIDIOC_G_DV_TIMINGS: 3388 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3389 break; 3390 3391 case LINUX_VIDIOC_G_FMT: 3392 case LINUX_VIDIOC_S_FMT: 3393 case LINUX_VIDIOC_TRY_FMT: 3394 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3395 if (error) 3396 return (error); 3397 error = fget(td, args->fd, 3398 cap_rights_init(&rights, CAP_IOCTL), &fp); 3399 if (error) 3400 return (error); 3401 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3402 error = EINVAL; 3403 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3404 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3405 td->td_ucred, td); 3406 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3407 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3408 td->td_ucred, td); 3409 else 3410 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3411 td->td_ucred, td); 3412 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3413 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3414 fdrop(fp, td); 3415 return (error); 3416 3417 case LINUX_VIDIOC_ENUMSTD: 3418 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3419 if (error) 3420 return (error); 3421 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3422 error = fget(td, args->fd, 3423 cap_rights_init(&rights, CAP_IOCTL), &fp); 3424 if (error) 3425 return (error); 3426 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3427 td->td_ucred, td); 3428 if (error) { 3429 fdrop(fp, td); 3430 return (error); 3431 } 3432 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3433 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3434 fdrop(fp, td); 3435 return (error); 3436 3437 case LINUX_VIDIOC_ENUMINPUT: 3438 /* 3439 * The Linux struct l_v4l2_input differs only in size, 3440 * it has no padding at the end. 3441 */ 3442 error = copyin((void *)args->arg, &vinp, 3443 sizeof(struct l_v4l2_input)); 3444 if (error != 0) 3445 return (error); 3446 error = fget(td, args->fd, 3447 cap_rights_init(&rights, CAP_IOCTL), &fp); 3448 if (error != 0) 3449 return (error); 3450 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3451 td->td_ucred, td); 3452 if (error) { 3453 fdrop(fp, td); 3454 return (error); 3455 } 3456 error = copyout(&vinp, (void *)args->arg, 3457 sizeof(struct l_v4l2_input)); 3458 fdrop(fp, td); 3459 return (error); 3460 3461 case LINUX_VIDIOC_QUERYBUF: 3462 case LINUX_VIDIOC_QBUF: 3463 case LINUX_VIDIOC_DQBUF: 3464 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3465 if (error) 3466 return (error); 3467 error = fget(td, args->fd, 3468 cap_rights_init(&rights, CAP_IOCTL), &fp); 3469 if (error) 3470 return (error); 3471 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3472 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3473 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3474 td->td_ucred, td); 3475 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3476 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3477 td->td_ucred, td); 3478 else 3479 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3480 td->td_ucred, td); 3481 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3482 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3483 fdrop(fp, td); 3484 return (error); 3485 3486 /* 3487 * XXX TODO - these need 32 -> 64 bit conversion: 3488 * (are any of them needed for webcams?) 3489 */ 3490 case LINUX_VIDIOC_G_FBUF: 3491 case LINUX_VIDIOC_S_FBUF: 3492 3493 case LINUX_VIDIOC_G_EXT_CTRLS: 3494 case LINUX_VIDIOC_S_EXT_CTRLS: 3495 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3496 3497 case LINUX_VIDIOC_DQEVENT: 3498 3499 default: return (ENOIOCTL); 3500 } 3501 3502 error = sys_ioctl(td, (struct ioctl_args *)args); 3503 return (error); 3504 } 3505 3506 /* 3507 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3508 * instead of USB* ones. This lets us to provide correct values for cmd. 3509 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3510 */ 3511 static int 3512 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3513 { 3514 int error; 3515 3516 error = 0; 3517 switch (args->cmd) { 3518 case FBSD_LUSB_DEVICEENUMERATE: 3519 args->cmd = USB_DEVICEENUMERATE; 3520 break; 3521 case FBSD_LUSB_DEV_QUIRK_ADD: 3522 args->cmd = USB_DEV_QUIRK_ADD; 3523 break; 3524 case FBSD_LUSB_DEV_QUIRK_GET: 3525 args->cmd = USB_DEV_QUIRK_GET; 3526 break; 3527 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3528 args->cmd = USB_DEV_QUIRK_REMOVE; 3529 break; 3530 case FBSD_LUSB_DO_REQUEST: 3531 args->cmd = USB_DO_REQUEST; 3532 break; 3533 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3534 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3535 break; 3536 case FBSD_LUSB_FS_CLOSE: 3537 args->cmd = USB_FS_CLOSE; 3538 break; 3539 case FBSD_LUSB_FS_COMPLETE: 3540 args->cmd = USB_FS_COMPLETE; 3541 break; 3542 case FBSD_LUSB_FS_INIT: 3543 args->cmd = USB_FS_INIT; 3544 break; 3545 case FBSD_LUSB_FS_OPEN: 3546 args->cmd = USB_FS_OPEN; 3547 break; 3548 case FBSD_LUSB_FS_START: 3549 args->cmd = USB_FS_START; 3550 break; 3551 case FBSD_LUSB_FS_STOP: 3552 args->cmd = USB_FS_STOP; 3553 break; 3554 case FBSD_LUSB_FS_UNINIT: 3555 args->cmd = USB_FS_UNINIT; 3556 break; 3557 case FBSD_LUSB_GET_CONFIG: 3558 args->cmd = USB_GET_CONFIG; 3559 break; 3560 case FBSD_LUSB_GET_DEVICEINFO: 3561 args->cmd = USB_GET_DEVICEINFO; 3562 break; 3563 case FBSD_LUSB_GET_DEVICE_DESC: 3564 args->cmd = USB_GET_DEVICE_DESC; 3565 break; 3566 case FBSD_LUSB_GET_FULL_DESC: 3567 args->cmd = USB_GET_FULL_DESC; 3568 break; 3569 case FBSD_LUSB_GET_IFACE_DRIVER: 3570 args->cmd = USB_GET_IFACE_DRIVER; 3571 break; 3572 case FBSD_LUSB_GET_PLUGTIME: 3573 args->cmd = USB_GET_PLUGTIME; 3574 break; 3575 case FBSD_LUSB_GET_POWER_MODE: 3576 args->cmd = USB_GET_POWER_MODE; 3577 break; 3578 case FBSD_LUSB_GET_REPORT_DESC: 3579 args->cmd = USB_GET_REPORT_DESC; 3580 break; 3581 case FBSD_LUSB_GET_REPORT_ID: 3582 args->cmd = USB_GET_REPORT_ID; 3583 break; 3584 case FBSD_LUSB_GET_TEMPLATE: 3585 args->cmd = USB_GET_TEMPLATE; 3586 break; 3587 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3588 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3589 break; 3590 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3591 args->cmd = USB_IFACE_DRIVER_DETACH; 3592 break; 3593 case FBSD_LUSB_QUIRK_NAME_GET: 3594 args->cmd = USB_QUIRK_NAME_GET; 3595 break; 3596 case FBSD_LUSB_READ_DIR: 3597 args->cmd = USB_READ_DIR; 3598 break; 3599 case FBSD_LUSB_SET_ALTINTERFACE: 3600 args->cmd = USB_SET_ALTINTERFACE; 3601 break; 3602 case FBSD_LUSB_SET_CONFIG: 3603 args->cmd = USB_SET_CONFIG; 3604 break; 3605 case FBSD_LUSB_SET_IMMED: 3606 args->cmd = USB_SET_IMMED; 3607 break; 3608 case FBSD_LUSB_SET_POWER_MODE: 3609 args->cmd = USB_SET_POWER_MODE; 3610 break; 3611 case FBSD_LUSB_SET_TEMPLATE: 3612 args->cmd = USB_SET_TEMPLATE; 3613 break; 3614 case FBSD_LUSB_FS_OPEN_STREAM: 3615 args->cmd = USB_FS_OPEN_STREAM; 3616 break; 3617 case FBSD_LUSB_GET_DEV_PORT_PATH: 3618 args->cmd = USB_GET_DEV_PORT_PATH; 3619 break; 3620 case FBSD_LUSB_GET_POWER_USAGE: 3621 args->cmd = USB_GET_POWER_USAGE; 3622 break; 3623 default: 3624 error = ENOIOCTL; 3625 } 3626 if (error != ENOIOCTL) 3627 error = sys_ioctl(td, (struct ioctl_args *)args); 3628 return (error); 3629 } 3630 3631 /* 3632 * Some evdev ioctls must be translated. 3633 * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data 3634 * (must be IOC_INOUT on FreeBSD). 3635 * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with 3636 * an int argument. You don't pass an int pointer to the ioctl(), however, 3637 * but just the int directly. On FreeBSD, they are defined as _IOWINT for 3638 * this to work. 3639 */ 3640 static int 3641 linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) 3642 { 3643 cap_rights_t rights; 3644 struct file *fp; 3645 clockid_t clock; 3646 int error; 3647 3648 args->cmd = SETDIR(args->cmd); 3649 3650 switch (args->cmd) { 3651 case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: 3652 args->cmd = EVIOCGRAB; 3653 break; 3654 case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: 3655 args->cmd = EVIOCREVOKE; 3656 break; 3657 case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: 3658 args->cmd = EVIOCRMFF; 3659 break; 3660 case EVIOCSCLOCKID: { 3661 error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); 3662 if (error != 0) 3663 return (error); 3664 if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) 3665 return (EINVAL); 3666 error = linux_to_native_clockid(&clock, clock); 3667 if (error != 0) 3668 return (error); 3669 3670 error = fget(td, args->fd, 3671 cap_rights_init(&rights, CAP_IOCTL), &fp); 3672 if (error != 0) 3673 return (error); 3674 3675 error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); 3676 fdrop(fp, td); 3677 return (error); 3678 } 3679 default: 3680 break; 3681 } 3682 3683 if (IOCBASECMD(args->cmd) == 3684 ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) 3685 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3686 3687 return (sys_ioctl(td, (struct ioctl_args *)args)); 3688 } 3689 3690 /* 3691 * main ioctl syscall function 3692 */ 3693 3694 int 3695 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3696 { 3697 cap_rights_t rights; 3698 struct file *fp; 3699 struct handler_element *he; 3700 int error, cmd; 3701 3702 #ifdef DEBUG 3703 if (ldebug(ioctl)) 3704 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3705 (unsigned long)args->cmd); 3706 #endif 3707 3708 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 3709 if (error != 0) 3710 return (error); 3711 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3712 fdrop(fp, td); 3713 return (EBADF); 3714 } 3715 3716 /* Iterate over the ioctl handlers */ 3717 cmd = args->cmd & 0xffff; 3718 sx_slock(&linux_ioctl_sx); 3719 mtx_lock(&Giant); 3720 TAILQ_FOREACH(he, &handlers, list) { 3721 if (cmd >= he->low && cmd <= he->high) { 3722 error = (*he->func)(td, args); 3723 if (error != ENOIOCTL) { 3724 mtx_unlock(&Giant); 3725 sx_sunlock(&linux_ioctl_sx); 3726 fdrop(fp, td); 3727 return (error); 3728 } 3729 } 3730 } 3731 mtx_unlock(&Giant); 3732 sx_sunlock(&linux_ioctl_sx); 3733 fdrop(fp, td); 3734 3735 switch (args->cmd & 0xffff) { 3736 case LINUX_BTRFS_IOC_CLONE: 3737 return (ENOTSUP); 3738 3739 default: 3740 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3741 args->fd, (int)(args->cmd & 0xffff), 3742 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3743 break; 3744 } 3745 3746 return (EINVAL); 3747 } 3748 3749 int 3750 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3751 { 3752 struct handler_element *he, *cur; 3753 3754 if (h == NULL || h->func == NULL) 3755 return (EINVAL); 3756 3757 /* 3758 * Reuse the element if the handler is already on the list, otherwise 3759 * create a new element. 3760 */ 3761 sx_xlock(&linux_ioctl_sx); 3762 TAILQ_FOREACH(he, &handlers, list) { 3763 if (he->func == h->func) 3764 break; 3765 } 3766 if (he == NULL) { 3767 he = malloc(sizeof(*he), 3768 M_LINUX, M_WAITOK); 3769 he->func = h->func; 3770 } else 3771 TAILQ_REMOVE(&handlers, he, list); 3772 3773 /* Initialize range information. */ 3774 he->low = h->low; 3775 he->high = h->high; 3776 he->span = h->high - h->low + 1; 3777 3778 /* Add the element to the list, sorted on span. */ 3779 TAILQ_FOREACH(cur, &handlers, list) { 3780 if (cur->span > he->span) { 3781 TAILQ_INSERT_BEFORE(cur, he, list); 3782 sx_xunlock(&linux_ioctl_sx); 3783 return (0); 3784 } 3785 } 3786 TAILQ_INSERT_TAIL(&handlers, he, list); 3787 sx_xunlock(&linux_ioctl_sx); 3788 3789 return (0); 3790 } 3791 3792 int 3793 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3794 { 3795 struct handler_element *he; 3796 3797 if (h == NULL || h->func == NULL) 3798 return (EINVAL); 3799 3800 sx_xlock(&linux_ioctl_sx); 3801 TAILQ_FOREACH(he, &handlers, list) { 3802 if (he->func == h->func) { 3803 TAILQ_REMOVE(&handlers, he, list); 3804 sx_xunlock(&linux_ioctl_sx); 3805 free(he, M_LINUX); 3806 return (0); 3807 } 3808 } 3809 sx_xunlock(&linux_ioctl_sx); 3810 3811 return (EINVAL); 3812 }
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