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/10.1/sys/compat/linux/linux_ioctl.c 301050 2016-05-31 16:55:41Z glebius $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/sysproto.h> 37 #include <sys/capability.h> 38 #include <sys/cdio.h> 39 #include <sys/dvdio.h> 40 #include <sys/conf.h> 41 #include <sys/disk.h> 42 #include <sys/consio.h> 43 #include <sys/ctype.h> 44 #include <sys/fcntl.h> 45 #include <sys/file.h> 46 #include <sys/filedesc.h> 47 #include <sys/filio.h> 48 #include <sys/jail.h> 49 #include <sys/kbio.h> 50 #include <sys/kernel.h> 51 #include <sys/linker_set.h> 52 #include <sys/lock.h> 53 #include <sys/malloc.h> 54 #include <sys/proc.h> 55 #include <sys/sbuf.h> 56 #include <sys/socket.h> 57 #include <sys/sockio.h> 58 #include <sys/soundcard.h> 59 #include <sys/stdint.h> 60 #include <sys/sx.h> 61 #include <sys/sysctl.h> 62 #include <sys/tty.h> 63 #include <sys/uio.h> 64 #include <sys/types.h> 65 #include <sys/mman.h> 66 #include <sys/resourcevar.h> 67 68 #include <net/if.h> 69 #include <net/if_dl.h> 70 #include <net/if_types.h> 71 #include <net/vnet.h> 72 73 #include <dev/usb/usb_ioctl.h> 74 75 #ifdef COMPAT_LINUX32 76 #include <machine/../linux32/linux.h> 77 #include <machine/../linux32/linux32_proto.h> 78 #else 79 #include <machine/../linux/linux.h> 80 #include <machine/../linux/linux_proto.h> 81 #endif 82 83 #include <compat/linux/linux_ioctl.h> 84 #include <compat/linux/linux_mib.h> 85 #include <compat/linux/linux_socket.h> 86 #include <compat/linux/linux_util.h> 87 88 #include <contrib/v4l/videodev.h> 89 #include <compat/linux/linux_videodev_compat.h> 90 91 #include <contrib/v4l/videodev2.h> 92 #include <compat/linux/linux_videodev2_compat.h> 93 94 #include <cam/scsi/scsi_sg.h> 95 96 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 97 98 FEATURE(linuxulator_v4l, "V4L ioctl wrapper support in the linuxulator"); 99 FEATURE(linuxulator_v4l2, "V4L2 ioctl wrapper support in the linuxulator"); 100 101 static linux_ioctl_function_t linux_ioctl_cdrom; 102 static linux_ioctl_function_t linux_ioctl_vfat; 103 static linux_ioctl_function_t linux_ioctl_console; 104 static linux_ioctl_function_t linux_ioctl_hdio; 105 static linux_ioctl_function_t linux_ioctl_disk; 106 static linux_ioctl_function_t linux_ioctl_socket; 107 static linux_ioctl_function_t linux_ioctl_sound; 108 static linux_ioctl_function_t linux_ioctl_termio; 109 static linux_ioctl_function_t linux_ioctl_private; 110 static linux_ioctl_function_t linux_ioctl_drm; 111 static linux_ioctl_function_t linux_ioctl_sg; 112 static linux_ioctl_function_t linux_ioctl_v4l; 113 static linux_ioctl_function_t linux_ioctl_v4l2; 114 static linux_ioctl_function_t linux_ioctl_special; 115 static linux_ioctl_function_t linux_ioctl_fbsd_usb; 116 117 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 }; 145 146 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 147 DATA_SET(linux_ioctl_handler_set, vfat_handler); 148 DATA_SET(linux_ioctl_handler_set, console_handler); 149 DATA_SET(linux_ioctl_handler_set, hdio_handler); 150 DATA_SET(linux_ioctl_handler_set, disk_handler); 151 DATA_SET(linux_ioctl_handler_set, socket_handler); 152 DATA_SET(linux_ioctl_handler_set, sound_handler); 153 DATA_SET(linux_ioctl_handler_set, termio_handler); 154 DATA_SET(linux_ioctl_handler_set, private_handler); 155 DATA_SET(linux_ioctl_handler_set, drm_handler); 156 DATA_SET(linux_ioctl_handler_set, sg_handler); 157 DATA_SET(linux_ioctl_handler_set, video_handler); 158 DATA_SET(linux_ioctl_handler_set, video2_handler); 159 DATA_SET(linux_ioctl_handler_set, fbsd_usb); 160 161 struct handler_element 162 { 163 TAILQ_ENTRY(handler_element) list; 164 int (*func)(struct thread *, struct linux_ioctl_args *); 165 int low, high, span; 166 }; 167 168 static TAILQ_HEAD(, handler_element) handlers = 169 TAILQ_HEAD_INITIALIZER(handlers); 170 static struct sx linux_ioctl_sx; 171 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 172 173 /* 174 * hdio related ioctls for VMWare support 175 */ 176 177 struct linux_hd_geometry { 178 u_int8_t heads; 179 u_int8_t sectors; 180 u_int16_t cylinders; 181 u_int32_t start; 182 }; 183 184 struct linux_hd_big_geometry { 185 u_int8_t heads; 186 u_int8_t sectors; 187 u_int32_t cylinders; 188 u_int32_t start; 189 }; 190 191 static int 192 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 193 { 194 cap_rights_t rights; 195 struct file *fp; 196 int error; 197 u_int sectorsize, fwcylinders, fwheads, fwsectors; 198 off_t mediasize, bytespercyl; 199 200 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 201 if (error != 0) 202 return (error); 203 switch (args->cmd & 0xffff) { 204 case LINUX_HDIO_GET_GEO: 205 case LINUX_HDIO_GET_GEO_BIG: 206 error = fo_ioctl(fp, DIOCGMEDIASIZE, 207 (caddr_t)&mediasize, td->td_ucred, td); 208 if (!error) 209 error = fo_ioctl(fp, DIOCGSECTORSIZE, 210 (caddr_t)§orsize, td->td_ucred, td); 211 if (!error) 212 error = fo_ioctl(fp, DIOCGFWHEADS, 213 (caddr_t)&fwheads, td->td_ucred, td); 214 if (!error) 215 error = fo_ioctl(fp, DIOCGFWSECTORS, 216 (caddr_t)&fwsectors, td->td_ucred, td); 217 /* 218 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 219 * so pretend that GEOM always says 0. This is NOT VALID 220 * for slices or partitions, only the per-disk raw devices. 221 */ 222 223 fdrop(fp, td); 224 if (error) 225 return (error); 226 /* 227 * 1. Calculate the number of bytes in a cylinder, 228 * given the firmware's notion of heads and sectors 229 * per cylinder. 230 * 2. Calculate the number of cylinders, given the total 231 * size of the media. 232 * All internal calculations should have 64-bit precision. 233 */ 234 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 235 fwcylinders = mediasize / bytespercyl; 236 #if defined(DEBUG) 237 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 238 "bpc %jd", 239 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 240 (intmax_t)bytespercyl); 241 #endif 242 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 243 struct linux_hd_geometry hdg; 244 245 hdg.cylinders = fwcylinders; 246 hdg.heads = fwheads; 247 hdg.sectors = fwsectors; 248 hdg.start = 0; 249 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 250 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 251 struct linux_hd_big_geometry hdbg; 252 253 hdbg.cylinders = fwcylinders; 254 hdbg.heads = fwheads; 255 hdbg.sectors = fwsectors; 256 hdbg.start = 0; 257 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 258 } 259 return (error); 260 break; 261 default: 262 /* XXX */ 263 linux_msg(td, 264 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 265 args->fd, (int)(args->cmd & 0xffff), 266 (int)(args->cmd & 0xff00) >> 8, 267 (int)(args->cmd & 0xff)); 268 break; 269 } 270 fdrop(fp, td); 271 return (ENOIOCTL); 272 } 273 274 static int 275 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 276 { 277 cap_rights_t rights; 278 struct file *fp; 279 int error; 280 u_int sectorsize; 281 off_t mediasize; 282 283 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 284 if (error != 0) 285 return (error); 286 switch (args->cmd & 0xffff) { 287 case LINUX_BLKGETSIZE: 288 error = fo_ioctl(fp, DIOCGSECTORSIZE, 289 (caddr_t)§orsize, td->td_ucred, td); 290 if (!error) 291 error = fo_ioctl(fp, DIOCGMEDIASIZE, 292 (caddr_t)&mediasize, td->td_ucred, td); 293 fdrop(fp, td); 294 if (error) 295 return (error); 296 sectorsize = mediasize / sectorsize; 297 /* 298 * XXX: How do we know we return the right size of integer ? 299 */ 300 return (copyout(§orsize, (void *)args->arg, 301 sizeof(sectorsize))); 302 break; 303 } 304 fdrop(fp, td); 305 return (ENOIOCTL); 306 } 307 308 /* 309 * termio related ioctls 310 */ 311 312 struct linux_termio { 313 unsigned short c_iflag; 314 unsigned short c_oflag; 315 unsigned short c_cflag; 316 unsigned short c_lflag; 317 unsigned char c_line; 318 unsigned char c_cc[LINUX_NCC]; 319 }; 320 321 struct linux_termios { 322 unsigned int c_iflag; 323 unsigned int c_oflag; 324 unsigned int c_cflag; 325 unsigned int c_lflag; 326 unsigned char c_line; 327 unsigned char c_cc[LINUX_NCCS]; 328 }; 329 330 struct linux_winsize { 331 unsigned short ws_row, ws_col; 332 unsigned short ws_xpixel, ws_ypixel; 333 }; 334 335 struct speedtab { 336 int sp_speed; /* Speed. */ 337 int sp_code; /* Code. */ 338 }; 339 340 static struct speedtab sptab[] = { 341 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 342 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 343 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 344 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 345 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 346 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 347 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 348 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 349 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 350 {-1, -1 } 351 }; 352 353 struct linux_serial_struct { 354 int type; 355 int line; 356 int port; 357 int irq; 358 int flags; 359 int xmit_fifo_size; 360 int custom_divisor; 361 int baud_base; 362 unsigned short close_delay; 363 char reserved_char[2]; 364 int hub6; 365 unsigned short closing_wait; 366 unsigned short closing_wait2; 367 int reserved[4]; 368 }; 369 370 static int 371 linux_to_bsd_speed(int code, struct speedtab *table) 372 { 373 for ( ; table->sp_code != -1; table++) 374 if (table->sp_code == code) 375 return (table->sp_speed); 376 return -1; 377 } 378 379 static int 380 bsd_to_linux_speed(int speed, struct speedtab *table) 381 { 382 for ( ; table->sp_speed != -1; table++) 383 if (table->sp_speed == speed) 384 return (table->sp_code); 385 return -1; 386 } 387 388 static void 389 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 390 { 391 int i; 392 393 #ifdef DEBUG 394 if (ldebug(ioctl)) { 395 printf("LINUX: BSD termios structure (input):\n"); 396 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 397 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 398 bios->c_ispeed, bios->c_ospeed); 399 printf("c_cc "); 400 for (i=0; i<NCCS; i++) 401 printf("%02x ", bios->c_cc[i]); 402 printf("\n"); 403 } 404 #endif 405 406 lios->c_iflag = 0; 407 if (bios->c_iflag & IGNBRK) 408 lios->c_iflag |= LINUX_IGNBRK; 409 if (bios->c_iflag & BRKINT) 410 lios->c_iflag |= LINUX_BRKINT; 411 if (bios->c_iflag & IGNPAR) 412 lios->c_iflag |= LINUX_IGNPAR; 413 if (bios->c_iflag & PARMRK) 414 lios->c_iflag |= LINUX_PARMRK; 415 if (bios->c_iflag & INPCK) 416 lios->c_iflag |= LINUX_INPCK; 417 if (bios->c_iflag & ISTRIP) 418 lios->c_iflag |= LINUX_ISTRIP; 419 if (bios->c_iflag & INLCR) 420 lios->c_iflag |= LINUX_INLCR; 421 if (bios->c_iflag & IGNCR) 422 lios->c_iflag |= LINUX_IGNCR; 423 if (bios->c_iflag & ICRNL) 424 lios->c_iflag |= LINUX_ICRNL; 425 if (bios->c_iflag & IXON) 426 lios->c_iflag |= LINUX_IXON; 427 if (bios->c_iflag & IXANY) 428 lios->c_iflag |= LINUX_IXANY; 429 if (bios->c_iflag & IXOFF) 430 lios->c_iflag |= LINUX_IXOFF; 431 if (bios->c_iflag & IMAXBEL) 432 lios->c_iflag |= LINUX_IMAXBEL; 433 434 lios->c_oflag = 0; 435 if (bios->c_oflag & OPOST) 436 lios->c_oflag |= LINUX_OPOST; 437 if (bios->c_oflag & ONLCR) 438 lios->c_oflag |= LINUX_ONLCR; 439 if (bios->c_oflag & TAB3) 440 lios->c_oflag |= LINUX_XTABS; 441 442 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 443 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 444 if (bios->c_cflag & CSTOPB) 445 lios->c_cflag |= LINUX_CSTOPB; 446 if (bios->c_cflag & CREAD) 447 lios->c_cflag |= LINUX_CREAD; 448 if (bios->c_cflag & PARENB) 449 lios->c_cflag |= LINUX_PARENB; 450 if (bios->c_cflag & PARODD) 451 lios->c_cflag |= LINUX_PARODD; 452 if (bios->c_cflag & HUPCL) 453 lios->c_cflag |= LINUX_HUPCL; 454 if (bios->c_cflag & CLOCAL) 455 lios->c_cflag |= LINUX_CLOCAL; 456 if (bios->c_cflag & CRTSCTS) 457 lios->c_cflag |= LINUX_CRTSCTS; 458 459 lios->c_lflag = 0; 460 if (bios->c_lflag & ISIG) 461 lios->c_lflag |= LINUX_ISIG; 462 if (bios->c_lflag & ICANON) 463 lios->c_lflag |= LINUX_ICANON; 464 if (bios->c_lflag & ECHO) 465 lios->c_lflag |= LINUX_ECHO; 466 if (bios->c_lflag & ECHOE) 467 lios->c_lflag |= LINUX_ECHOE; 468 if (bios->c_lflag & ECHOK) 469 lios->c_lflag |= LINUX_ECHOK; 470 if (bios->c_lflag & ECHONL) 471 lios->c_lflag |= LINUX_ECHONL; 472 if (bios->c_lflag & NOFLSH) 473 lios->c_lflag |= LINUX_NOFLSH; 474 if (bios->c_lflag & TOSTOP) 475 lios->c_lflag |= LINUX_TOSTOP; 476 if (bios->c_lflag & ECHOCTL) 477 lios->c_lflag |= LINUX_ECHOCTL; 478 if (bios->c_lflag & ECHOPRT) 479 lios->c_lflag |= LINUX_ECHOPRT; 480 if (bios->c_lflag & ECHOKE) 481 lios->c_lflag |= LINUX_ECHOKE; 482 if (bios->c_lflag & FLUSHO) 483 lios->c_lflag |= LINUX_FLUSHO; 484 if (bios->c_lflag & PENDIN) 485 lios->c_lflag |= LINUX_PENDIN; 486 if (bios->c_lflag & IEXTEN) 487 lios->c_lflag |= LINUX_IEXTEN; 488 489 for (i=0; i<LINUX_NCCS; i++) 490 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 491 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 492 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 493 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 494 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 495 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 496 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 497 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 498 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 499 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 500 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 501 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 502 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 503 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 504 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 505 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 506 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 507 508 for (i=0; i<LINUX_NCCS; i++) { 509 if (i != LINUX_VMIN && i != LINUX_VTIME && 510 lios->c_cc[i] == _POSIX_VDISABLE) 511 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 512 } 513 lios->c_line = 0; 514 515 #ifdef DEBUG 516 if (ldebug(ioctl)) { 517 printf("LINUX: LINUX termios structure (output):\n"); 518 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 519 lios->c_iflag, lios->c_oflag, lios->c_cflag, 520 lios->c_lflag, (int)lios->c_line); 521 printf("c_cc "); 522 for (i=0; i<LINUX_NCCS; i++) 523 printf("%02x ", lios->c_cc[i]); 524 printf("\n"); 525 } 526 #endif 527 } 528 529 static void 530 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 531 { 532 int i; 533 534 #ifdef DEBUG 535 if (ldebug(ioctl)) { 536 printf("LINUX: LINUX termios structure (input):\n"); 537 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 538 lios->c_iflag, lios->c_oflag, lios->c_cflag, 539 lios->c_lflag, (int)lios->c_line); 540 printf("c_cc "); 541 for (i=0; i<LINUX_NCCS; i++) 542 printf("%02x ", lios->c_cc[i]); 543 printf("\n"); 544 } 545 #endif 546 547 bios->c_iflag = 0; 548 if (lios->c_iflag & LINUX_IGNBRK) 549 bios->c_iflag |= IGNBRK; 550 if (lios->c_iflag & LINUX_BRKINT) 551 bios->c_iflag |= BRKINT; 552 if (lios->c_iflag & LINUX_IGNPAR) 553 bios->c_iflag |= IGNPAR; 554 if (lios->c_iflag & LINUX_PARMRK) 555 bios->c_iflag |= PARMRK; 556 if (lios->c_iflag & LINUX_INPCK) 557 bios->c_iflag |= INPCK; 558 if (lios->c_iflag & LINUX_ISTRIP) 559 bios->c_iflag |= ISTRIP; 560 if (lios->c_iflag & LINUX_INLCR) 561 bios->c_iflag |= INLCR; 562 if (lios->c_iflag & LINUX_IGNCR) 563 bios->c_iflag |= IGNCR; 564 if (lios->c_iflag & LINUX_ICRNL) 565 bios->c_iflag |= ICRNL; 566 if (lios->c_iflag & LINUX_IXON) 567 bios->c_iflag |= IXON; 568 if (lios->c_iflag & LINUX_IXANY) 569 bios->c_iflag |= IXANY; 570 if (lios->c_iflag & LINUX_IXOFF) 571 bios->c_iflag |= IXOFF; 572 if (lios->c_iflag & LINUX_IMAXBEL) 573 bios->c_iflag |= IMAXBEL; 574 575 bios->c_oflag = 0; 576 if (lios->c_oflag & LINUX_OPOST) 577 bios->c_oflag |= OPOST; 578 if (lios->c_oflag & LINUX_ONLCR) 579 bios->c_oflag |= ONLCR; 580 if (lios->c_oflag & LINUX_XTABS) 581 bios->c_oflag |= TAB3; 582 583 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 584 if (lios->c_cflag & LINUX_CSTOPB) 585 bios->c_cflag |= CSTOPB; 586 if (lios->c_cflag & LINUX_CREAD) 587 bios->c_cflag |= CREAD; 588 if (lios->c_cflag & LINUX_PARENB) 589 bios->c_cflag |= PARENB; 590 if (lios->c_cflag & LINUX_PARODD) 591 bios->c_cflag |= PARODD; 592 if (lios->c_cflag & LINUX_HUPCL) 593 bios->c_cflag |= HUPCL; 594 if (lios->c_cflag & LINUX_CLOCAL) 595 bios->c_cflag |= CLOCAL; 596 if (lios->c_cflag & LINUX_CRTSCTS) 597 bios->c_cflag |= CRTSCTS; 598 599 bios->c_lflag = 0; 600 if (lios->c_lflag & LINUX_ISIG) 601 bios->c_lflag |= ISIG; 602 if (lios->c_lflag & LINUX_ICANON) 603 bios->c_lflag |= ICANON; 604 if (lios->c_lflag & LINUX_ECHO) 605 bios->c_lflag |= ECHO; 606 if (lios->c_lflag & LINUX_ECHOE) 607 bios->c_lflag |= ECHOE; 608 if (lios->c_lflag & LINUX_ECHOK) 609 bios->c_lflag |= ECHOK; 610 if (lios->c_lflag & LINUX_ECHONL) 611 bios->c_lflag |= ECHONL; 612 if (lios->c_lflag & LINUX_NOFLSH) 613 bios->c_lflag |= NOFLSH; 614 if (lios->c_lflag & LINUX_TOSTOP) 615 bios->c_lflag |= TOSTOP; 616 if (lios->c_lflag & LINUX_ECHOCTL) 617 bios->c_lflag |= ECHOCTL; 618 if (lios->c_lflag & LINUX_ECHOPRT) 619 bios->c_lflag |= ECHOPRT; 620 if (lios->c_lflag & LINUX_ECHOKE) 621 bios->c_lflag |= ECHOKE; 622 if (lios->c_lflag & LINUX_FLUSHO) 623 bios->c_lflag |= FLUSHO; 624 if (lios->c_lflag & LINUX_PENDIN) 625 bios->c_lflag |= PENDIN; 626 if (lios->c_lflag & LINUX_IEXTEN) 627 bios->c_lflag |= IEXTEN; 628 629 for (i=0; i<NCCS; i++) 630 bios->c_cc[i] = _POSIX_VDISABLE; 631 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 632 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 633 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 634 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 635 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 636 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 637 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 638 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 639 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 640 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 641 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 642 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 643 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 644 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 645 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 646 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 647 648 for (i=0; i<NCCS; i++) { 649 if (i != VMIN && i != VTIME && 650 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 651 bios->c_cc[i] = _POSIX_VDISABLE; 652 } 653 654 bios->c_ispeed = bios->c_ospeed = 655 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 656 657 #ifdef DEBUG 658 if (ldebug(ioctl)) { 659 printf("LINUX: BSD termios structure (output):\n"); 660 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 661 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 662 bios->c_ispeed, bios->c_ospeed); 663 printf("c_cc "); 664 for (i=0; i<NCCS; i++) 665 printf("%02x ", bios->c_cc[i]); 666 printf("\n"); 667 } 668 #endif 669 } 670 671 static void 672 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 673 { 674 struct linux_termios lios; 675 676 bsd_to_linux_termios(bios, &lios); 677 lio->c_iflag = lios.c_iflag; 678 lio->c_oflag = lios.c_oflag; 679 lio->c_cflag = lios.c_cflag; 680 lio->c_lflag = lios.c_lflag; 681 lio->c_line = lios.c_line; 682 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 683 } 684 685 static void 686 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 687 { 688 struct linux_termios lios; 689 int i; 690 691 lios.c_iflag = lio->c_iflag; 692 lios.c_oflag = lio->c_oflag; 693 lios.c_cflag = lio->c_cflag; 694 lios.c_lflag = lio->c_lflag; 695 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 696 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 697 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 698 linux_to_bsd_termios(&lios, bios); 699 } 700 701 static int 702 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 703 { 704 struct termios bios; 705 struct linux_termios lios; 706 struct linux_termio lio; 707 cap_rights_t rights; 708 struct file *fp; 709 int error; 710 711 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 712 if (error != 0) 713 return (error); 714 715 switch (args->cmd & 0xffff) { 716 717 case LINUX_TCGETS: 718 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 719 td); 720 if (error) 721 break; 722 bsd_to_linux_termios(&bios, &lios); 723 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 724 break; 725 726 case LINUX_TCSETS: 727 error = copyin((void *)args->arg, &lios, sizeof(lios)); 728 if (error) 729 break; 730 linux_to_bsd_termios(&lios, &bios); 731 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 732 td)); 733 break; 734 735 case LINUX_TCSETSW: 736 error = copyin((void *)args->arg, &lios, sizeof(lios)); 737 if (error) 738 break; 739 linux_to_bsd_termios(&lios, &bios); 740 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 741 td)); 742 break; 743 744 case LINUX_TCSETSF: 745 error = copyin((void *)args->arg, &lios, sizeof(lios)); 746 if (error) 747 break; 748 linux_to_bsd_termios(&lios, &bios); 749 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 750 td)); 751 break; 752 753 case LINUX_TCGETA: 754 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 755 td); 756 if (error) 757 break; 758 bsd_to_linux_termio(&bios, &lio); 759 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 760 break; 761 762 case LINUX_TCSETA: 763 error = copyin((void *)args->arg, &lio, sizeof(lio)); 764 if (error) 765 break; 766 linux_to_bsd_termio(&lio, &bios); 767 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 768 td)); 769 break; 770 771 case LINUX_TCSETAW: 772 error = copyin((void *)args->arg, &lio, sizeof(lio)); 773 if (error) 774 break; 775 linux_to_bsd_termio(&lio, &bios); 776 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 777 td)); 778 break; 779 780 case LINUX_TCSETAF: 781 error = copyin((void *)args->arg, &lio, sizeof(lio)); 782 if (error) 783 break; 784 linux_to_bsd_termio(&lio, &bios); 785 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 786 td)); 787 break; 788 789 /* LINUX_TCSBRK */ 790 791 case LINUX_TCXONC: { 792 switch (args->arg) { 793 case LINUX_TCOOFF: 794 args->cmd = TIOCSTOP; 795 break; 796 case LINUX_TCOON: 797 args->cmd = TIOCSTART; 798 break; 799 case LINUX_TCIOFF: 800 case LINUX_TCION: { 801 int c; 802 struct write_args wr; 803 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 804 td->td_ucred, td); 805 if (error) 806 break; 807 fdrop(fp, td); 808 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 809 c = bios.c_cc[c]; 810 if (c != _POSIX_VDISABLE) { 811 wr.fd = args->fd; 812 wr.buf = &c; 813 wr.nbyte = sizeof(c); 814 return (sys_write(td, &wr)); 815 } else 816 return (0); 817 } 818 default: 819 fdrop(fp, td); 820 return (EINVAL); 821 } 822 args->arg = 0; 823 error = (sys_ioctl(td, (struct ioctl_args *)args)); 824 break; 825 } 826 827 case LINUX_TCFLSH: { 828 int val; 829 switch (args->arg) { 830 case LINUX_TCIFLUSH: 831 val = FREAD; 832 break; 833 case LINUX_TCOFLUSH: 834 val = FWRITE; 835 break; 836 case LINUX_TCIOFLUSH: 837 val = FREAD | FWRITE; 838 break; 839 default: 840 fdrop(fp, td); 841 return (EINVAL); 842 } 843 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 844 break; 845 } 846 847 case LINUX_TIOCEXCL: 848 args->cmd = TIOCEXCL; 849 error = (sys_ioctl(td, (struct ioctl_args *)args)); 850 break; 851 852 case LINUX_TIOCNXCL: 853 args->cmd = TIOCNXCL; 854 error = (sys_ioctl(td, (struct ioctl_args *)args)); 855 break; 856 857 case LINUX_TIOCSCTTY: 858 args->cmd = TIOCSCTTY; 859 error = (sys_ioctl(td, (struct ioctl_args *)args)); 860 break; 861 862 case LINUX_TIOCGPGRP: 863 args->cmd = TIOCGPGRP; 864 error = (sys_ioctl(td, (struct ioctl_args *)args)); 865 break; 866 867 case LINUX_TIOCSPGRP: 868 args->cmd = TIOCSPGRP; 869 error = (sys_ioctl(td, (struct ioctl_args *)args)); 870 break; 871 872 /* LINUX_TIOCOUTQ */ 873 /* LINUX_TIOCSTI */ 874 875 case LINUX_TIOCGWINSZ: 876 args->cmd = TIOCGWINSZ; 877 error = (sys_ioctl(td, (struct ioctl_args *)args)); 878 break; 879 880 case LINUX_TIOCSWINSZ: 881 args->cmd = TIOCSWINSZ; 882 error = (sys_ioctl(td, (struct ioctl_args *)args)); 883 break; 884 885 case LINUX_TIOCMGET: 886 args->cmd = TIOCMGET; 887 error = (sys_ioctl(td, (struct ioctl_args *)args)); 888 break; 889 890 case LINUX_TIOCMBIS: 891 args->cmd = TIOCMBIS; 892 error = (sys_ioctl(td, (struct ioctl_args *)args)); 893 break; 894 895 case LINUX_TIOCMBIC: 896 args->cmd = TIOCMBIC; 897 error = (sys_ioctl(td, (struct ioctl_args *)args)); 898 break; 899 900 case LINUX_TIOCMSET: 901 args->cmd = TIOCMSET; 902 error = (sys_ioctl(td, (struct ioctl_args *)args)); 903 break; 904 905 /* TIOCGSOFTCAR */ 906 /* TIOCSSOFTCAR */ 907 908 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 909 args->cmd = FIONREAD; 910 error = (sys_ioctl(td, (struct ioctl_args *)args)); 911 break; 912 913 /* LINUX_TIOCLINUX */ 914 915 case LINUX_TIOCCONS: 916 args->cmd = TIOCCONS; 917 error = (sys_ioctl(td, (struct ioctl_args *)args)); 918 break; 919 920 case LINUX_TIOCGSERIAL: { 921 struct linux_serial_struct lss; 922 923 bzero(&lss, sizeof(lss)); 924 lss.type = LINUX_PORT_16550A; 925 lss.flags = 0; 926 lss.close_delay = 0; 927 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 928 break; 929 } 930 931 case LINUX_TIOCSSERIAL: { 932 struct linux_serial_struct lss; 933 error = copyin((void *)args->arg, &lss, sizeof(lss)); 934 if (error) 935 break; 936 /* XXX - It really helps to have an implementation that 937 * does nothing. NOT! 938 */ 939 error = 0; 940 break; 941 } 942 943 case LINUX_TIOCPKT: 944 args->cmd = TIOCPKT; 945 error = (sys_ioctl(td, (struct ioctl_args *)args)); 946 break; 947 948 case LINUX_FIONBIO: 949 args->cmd = FIONBIO; 950 error = (sys_ioctl(td, (struct ioctl_args *)args)); 951 break; 952 953 case LINUX_TIOCNOTTY: 954 args->cmd = TIOCNOTTY; 955 error = (sys_ioctl(td, (struct ioctl_args *)args)); 956 break; 957 958 case LINUX_TIOCSETD: { 959 int line; 960 switch (args->arg) { 961 case LINUX_N_TTY: 962 line = TTYDISC; 963 break; 964 case LINUX_N_SLIP: 965 line = SLIPDISC; 966 break; 967 case LINUX_N_PPP: 968 line = PPPDISC; 969 break; 970 default: 971 fdrop(fp, td); 972 return (EINVAL); 973 } 974 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 975 td)); 976 break; 977 } 978 979 case LINUX_TIOCGETD: { 980 int linux_line; 981 int bsd_line = TTYDISC; 982 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 983 td->td_ucred, td); 984 if (error) 985 return (error); 986 switch (bsd_line) { 987 case TTYDISC: 988 linux_line = LINUX_N_TTY; 989 break; 990 case SLIPDISC: 991 linux_line = LINUX_N_SLIP; 992 break; 993 case PPPDISC: 994 linux_line = LINUX_N_PPP; 995 break; 996 default: 997 fdrop(fp, td); 998 return (EINVAL); 999 } 1000 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 1001 break; 1002 } 1003 1004 /* LINUX_TCSBRKP */ 1005 /* LINUX_TIOCTTYGSTRUCT */ 1006 1007 case LINUX_FIONCLEX: 1008 args->cmd = FIONCLEX; 1009 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1010 break; 1011 1012 case LINUX_FIOCLEX: 1013 args->cmd = FIOCLEX; 1014 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1015 break; 1016 1017 case LINUX_FIOASYNC: 1018 args->cmd = FIOASYNC; 1019 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1020 break; 1021 1022 /* LINUX_TIOCSERCONFIG */ 1023 /* LINUX_TIOCSERGWILD */ 1024 /* LINUX_TIOCSERSWILD */ 1025 /* LINUX_TIOCGLCKTRMIOS */ 1026 /* LINUX_TIOCSLCKTRMIOS */ 1027 1028 case LINUX_TIOCSBRK: 1029 args->cmd = TIOCSBRK; 1030 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1031 break; 1032 1033 case LINUX_TIOCCBRK: 1034 args->cmd = TIOCCBRK; 1035 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1036 break; 1037 case LINUX_TIOCGPTN: { 1038 int nb; 1039 1040 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1041 if (!error) 1042 error = copyout(&nb, (void *)args->arg, 1043 sizeof(int)); 1044 break; 1045 } 1046 case LINUX_TIOCSPTLCK: 1047 /* Our unlockpt() does nothing. */ 1048 error = 0; 1049 break; 1050 default: 1051 error = ENOIOCTL; 1052 break; 1053 } 1054 1055 fdrop(fp, td); 1056 return (error); 1057 } 1058 1059 /* 1060 * CDROM related ioctls 1061 */ 1062 1063 struct linux_cdrom_msf 1064 { 1065 u_char cdmsf_min0; 1066 u_char cdmsf_sec0; 1067 u_char cdmsf_frame0; 1068 u_char cdmsf_min1; 1069 u_char cdmsf_sec1; 1070 u_char cdmsf_frame1; 1071 }; 1072 1073 struct linux_cdrom_tochdr 1074 { 1075 u_char cdth_trk0; 1076 u_char cdth_trk1; 1077 }; 1078 1079 union linux_cdrom_addr 1080 { 1081 struct { 1082 u_char minute; 1083 u_char second; 1084 u_char frame; 1085 } msf; 1086 int lba; 1087 }; 1088 1089 struct linux_cdrom_tocentry 1090 { 1091 u_char cdte_track; 1092 u_char cdte_adr:4; 1093 u_char cdte_ctrl:4; 1094 u_char cdte_format; 1095 union linux_cdrom_addr cdte_addr; 1096 u_char cdte_datamode; 1097 }; 1098 1099 struct linux_cdrom_subchnl 1100 { 1101 u_char cdsc_format; 1102 u_char cdsc_audiostatus; 1103 u_char cdsc_adr:4; 1104 u_char cdsc_ctrl:4; 1105 u_char cdsc_trk; 1106 u_char cdsc_ind; 1107 union linux_cdrom_addr cdsc_absaddr; 1108 union linux_cdrom_addr cdsc_reladdr; 1109 }; 1110 1111 struct l_cdrom_read_audio { 1112 union linux_cdrom_addr addr; 1113 u_char addr_format; 1114 l_int nframes; 1115 u_char *buf; 1116 }; 1117 1118 struct l_dvd_layer { 1119 u_char book_version:4; 1120 u_char book_type:4; 1121 u_char min_rate:4; 1122 u_char disc_size:4; 1123 u_char layer_type:4; 1124 u_char track_path:1; 1125 u_char nlayers:2; 1126 u_char track_density:4; 1127 u_char linear_density:4; 1128 u_char bca:1; 1129 u_int32_t start_sector; 1130 u_int32_t end_sector; 1131 u_int32_t end_sector_l0; 1132 }; 1133 1134 struct l_dvd_physical { 1135 u_char type; 1136 u_char layer_num; 1137 struct l_dvd_layer layer[4]; 1138 }; 1139 1140 struct l_dvd_copyright { 1141 u_char type; 1142 u_char layer_num; 1143 u_char cpst; 1144 u_char rmi; 1145 }; 1146 1147 struct l_dvd_disckey { 1148 u_char type; 1149 l_uint agid:2; 1150 u_char value[2048]; 1151 }; 1152 1153 struct l_dvd_bca { 1154 u_char type; 1155 l_int len; 1156 u_char value[188]; 1157 }; 1158 1159 struct l_dvd_manufact { 1160 u_char type; 1161 u_char layer_num; 1162 l_int len; 1163 u_char value[2048]; 1164 }; 1165 1166 typedef union { 1167 u_char type; 1168 struct l_dvd_physical physical; 1169 struct l_dvd_copyright copyright; 1170 struct l_dvd_disckey disckey; 1171 struct l_dvd_bca bca; 1172 struct l_dvd_manufact manufact; 1173 } l_dvd_struct; 1174 1175 typedef u_char l_dvd_key[5]; 1176 typedef u_char l_dvd_challenge[10]; 1177 1178 struct l_dvd_lu_send_agid { 1179 u_char type; 1180 l_uint agid:2; 1181 }; 1182 1183 struct l_dvd_host_send_challenge { 1184 u_char type; 1185 l_uint agid:2; 1186 l_dvd_challenge chal; 1187 }; 1188 1189 struct l_dvd_send_key { 1190 u_char type; 1191 l_uint agid:2; 1192 l_dvd_key key; 1193 }; 1194 1195 struct l_dvd_lu_send_challenge { 1196 u_char type; 1197 l_uint agid:2; 1198 l_dvd_challenge chal; 1199 }; 1200 1201 struct l_dvd_lu_send_title_key { 1202 u_char type; 1203 l_uint agid:2; 1204 l_dvd_key title_key; 1205 l_int lba; 1206 l_uint cpm:1; 1207 l_uint cp_sec:1; 1208 l_uint cgms:2; 1209 }; 1210 1211 struct l_dvd_lu_send_asf { 1212 u_char type; 1213 l_uint agid:2; 1214 l_uint asf:1; 1215 }; 1216 1217 struct l_dvd_host_send_rpcstate { 1218 u_char type; 1219 u_char pdrc; 1220 }; 1221 1222 struct l_dvd_lu_send_rpcstate { 1223 u_char type:2; 1224 u_char vra:3; 1225 u_char ucca:3; 1226 u_char region_mask; 1227 u_char rpc_scheme; 1228 }; 1229 1230 typedef union { 1231 u_char type; 1232 struct l_dvd_lu_send_agid lsa; 1233 struct l_dvd_host_send_challenge hsc; 1234 struct l_dvd_send_key lsk; 1235 struct l_dvd_lu_send_challenge lsc; 1236 struct l_dvd_send_key hsk; 1237 struct l_dvd_lu_send_title_key lstk; 1238 struct l_dvd_lu_send_asf lsasf; 1239 struct l_dvd_host_send_rpcstate hrpcs; 1240 struct l_dvd_lu_send_rpcstate lrpcs; 1241 } l_dvd_authinfo; 1242 1243 static void 1244 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1245 { 1246 if (af == CD_LBA_FORMAT) 1247 lp->lba = bp->lba; 1248 else { 1249 lp->msf.minute = bp->msf.minute; 1250 lp->msf.second = bp->msf.second; 1251 lp->msf.frame = bp->msf.frame; 1252 } 1253 } 1254 1255 static void 1256 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1257 { 1258 if (format == LINUX_CDROM_MSF) { 1259 addr->msf.frame = lba % 75; 1260 lba /= 75; 1261 lba += 2; 1262 addr->msf.second = lba % 60; 1263 addr->msf.minute = lba / 60; 1264 } else 1265 addr->lba = lba; 1266 } 1267 1268 static int 1269 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1270 { 1271 bp->format = lp->type; 1272 switch (bp->format) { 1273 case DVD_STRUCT_PHYSICAL: 1274 if (bp->layer_num >= 4) 1275 return (EINVAL); 1276 bp->layer_num = lp->physical.layer_num; 1277 break; 1278 case DVD_STRUCT_COPYRIGHT: 1279 bp->layer_num = lp->copyright.layer_num; 1280 break; 1281 case DVD_STRUCT_DISCKEY: 1282 bp->agid = lp->disckey.agid; 1283 break; 1284 case DVD_STRUCT_BCA: 1285 case DVD_STRUCT_MANUFACT: 1286 break; 1287 default: 1288 return (EINVAL); 1289 } 1290 return (0); 1291 } 1292 1293 static int 1294 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1295 { 1296 switch (bp->format) { 1297 case DVD_STRUCT_PHYSICAL: { 1298 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1299 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1300 memset(llp, 0, sizeof(*llp)); 1301 llp->book_version = blp->book_version; 1302 llp->book_type = blp->book_type; 1303 llp->min_rate = blp->max_rate; 1304 llp->disc_size = blp->disc_size; 1305 llp->layer_type = blp->layer_type; 1306 llp->track_path = blp->track_path; 1307 llp->nlayers = blp->nlayers; 1308 llp->track_density = blp->track_density; 1309 llp->linear_density = blp->linear_density; 1310 llp->bca = blp->bca; 1311 llp->start_sector = blp->start_sector; 1312 llp->end_sector = blp->end_sector; 1313 llp->end_sector_l0 = blp->end_sector_l0; 1314 break; 1315 } 1316 case DVD_STRUCT_COPYRIGHT: 1317 lp->copyright.cpst = bp->cpst; 1318 lp->copyright.rmi = bp->rmi; 1319 break; 1320 case DVD_STRUCT_DISCKEY: 1321 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1322 break; 1323 case DVD_STRUCT_BCA: 1324 lp->bca.len = bp->length; 1325 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1326 break; 1327 case DVD_STRUCT_MANUFACT: 1328 lp->manufact.len = bp->length; 1329 memcpy(lp->manufact.value, bp->data, 1330 sizeof(lp->manufact.value)); 1331 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1332 break; 1333 default: 1334 return (EINVAL); 1335 } 1336 return (0); 1337 } 1338 1339 static int 1340 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1341 struct dvd_authinfo *bp) 1342 { 1343 switch (lp->type) { 1344 case LINUX_DVD_LU_SEND_AGID: 1345 *bcode = DVDIOCREPORTKEY; 1346 bp->format = DVD_REPORT_AGID; 1347 bp->agid = lp->lsa.agid; 1348 break; 1349 case LINUX_DVD_HOST_SEND_CHALLENGE: 1350 *bcode = DVDIOCSENDKEY; 1351 bp->format = DVD_SEND_CHALLENGE; 1352 bp->agid = lp->hsc.agid; 1353 memcpy(bp->keychal, lp->hsc.chal, 10); 1354 break; 1355 case LINUX_DVD_LU_SEND_KEY1: 1356 *bcode = DVDIOCREPORTKEY; 1357 bp->format = DVD_REPORT_KEY1; 1358 bp->agid = lp->lsk.agid; 1359 break; 1360 case LINUX_DVD_LU_SEND_CHALLENGE: 1361 *bcode = DVDIOCREPORTKEY; 1362 bp->format = DVD_REPORT_CHALLENGE; 1363 bp->agid = lp->lsc.agid; 1364 break; 1365 case LINUX_DVD_HOST_SEND_KEY2: 1366 *bcode = DVDIOCSENDKEY; 1367 bp->format = DVD_SEND_KEY2; 1368 bp->agid = lp->hsk.agid; 1369 memcpy(bp->keychal, lp->hsk.key, 5); 1370 break; 1371 case LINUX_DVD_LU_SEND_TITLE_KEY: 1372 *bcode = DVDIOCREPORTKEY; 1373 bp->format = DVD_REPORT_TITLE_KEY; 1374 bp->agid = lp->lstk.agid; 1375 bp->lba = lp->lstk.lba; 1376 break; 1377 case LINUX_DVD_LU_SEND_ASF: 1378 *bcode = DVDIOCREPORTKEY; 1379 bp->format = DVD_REPORT_ASF; 1380 bp->agid = lp->lsasf.agid; 1381 break; 1382 case LINUX_DVD_INVALIDATE_AGID: 1383 *bcode = DVDIOCREPORTKEY; 1384 bp->format = DVD_INVALIDATE_AGID; 1385 bp->agid = lp->lsa.agid; 1386 break; 1387 case LINUX_DVD_LU_SEND_RPC_STATE: 1388 *bcode = DVDIOCREPORTKEY; 1389 bp->format = DVD_REPORT_RPC; 1390 break; 1391 case LINUX_DVD_HOST_SEND_RPC_STATE: 1392 *bcode = DVDIOCSENDKEY; 1393 bp->format = DVD_SEND_RPC; 1394 bp->region = lp->hrpcs.pdrc; 1395 break; 1396 default: 1397 return (EINVAL); 1398 } 1399 return (0); 1400 } 1401 1402 static int 1403 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1404 { 1405 switch (lp->type) { 1406 case LINUX_DVD_LU_SEND_AGID: 1407 lp->lsa.agid = bp->agid; 1408 break; 1409 case LINUX_DVD_HOST_SEND_CHALLENGE: 1410 lp->type = LINUX_DVD_LU_SEND_KEY1; 1411 break; 1412 case LINUX_DVD_LU_SEND_KEY1: 1413 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1414 break; 1415 case LINUX_DVD_LU_SEND_CHALLENGE: 1416 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1417 break; 1418 case LINUX_DVD_HOST_SEND_KEY2: 1419 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1420 break; 1421 case LINUX_DVD_LU_SEND_TITLE_KEY: 1422 memcpy(lp->lstk.title_key, bp->keychal, 1423 sizeof(lp->lstk.title_key)); 1424 lp->lstk.cpm = bp->cpm; 1425 lp->lstk.cp_sec = bp->cp_sec; 1426 lp->lstk.cgms = bp->cgms; 1427 break; 1428 case LINUX_DVD_LU_SEND_ASF: 1429 lp->lsasf.asf = bp->asf; 1430 break; 1431 case LINUX_DVD_INVALIDATE_AGID: 1432 break; 1433 case LINUX_DVD_LU_SEND_RPC_STATE: 1434 lp->lrpcs.type = bp->reg_type; 1435 lp->lrpcs.vra = bp->vend_rsts; 1436 lp->lrpcs.ucca = bp->user_rsts; 1437 lp->lrpcs.region_mask = bp->region; 1438 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1439 break; 1440 case LINUX_DVD_HOST_SEND_RPC_STATE: 1441 break; 1442 default: 1443 return (EINVAL); 1444 } 1445 return (0); 1446 } 1447 1448 static int 1449 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1450 { 1451 cap_rights_t rights; 1452 struct file *fp; 1453 int error; 1454 1455 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1456 if (error != 0) 1457 return (error); 1458 switch (args->cmd & 0xffff) { 1459 1460 case LINUX_CDROMPAUSE: 1461 args->cmd = CDIOCPAUSE; 1462 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1463 break; 1464 1465 case LINUX_CDROMRESUME: 1466 args->cmd = CDIOCRESUME; 1467 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1468 break; 1469 1470 case LINUX_CDROMPLAYMSF: 1471 args->cmd = CDIOCPLAYMSF; 1472 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1473 break; 1474 1475 case LINUX_CDROMPLAYTRKIND: 1476 args->cmd = CDIOCPLAYTRACKS; 1477 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1478 break; 1479 1480 case LINUX_CDROMREADTOCHDR: { 1481 struct ioc_toc_header th; 1482 struct linux_cdrom_tochdr lth; 1483 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1484 td->td_ucred, td); 1485 if (!error) { 1486 lth.cdth_trk0 = th.starting_track; 1487 lth.cdth_trk1 = th.ending_track; 1488 copyout(<h, (void *)args->arg, sizeof(lth)); 1489 } 1490 break; 1491 } 1492 1493 case LINUX_CDROMREADTOCENTRY: { 1494 struct linux_cdrom_tocentry lte; 1495 struct ioc_read_toc_single_entry irtse; 1496 1497 error = copyin((void *)args->arg, <e, sizeof(lte)); 1498 if (error) 1499 break; 1500 irtse.address_format = lte.cdte_format; 1501 irtse.track = lte.cdte_track; 1502 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1503 td->td_ucred, td); 1504 if (!error) { 1505 lte.cdte_ctrl = irtse.entry.control; 1506 lte.cdte_adr = irtse.entry.addr_type; 1507 bsd_to_linux_msf_lba(irtse.address_format, 1508 &irtse.entry.addr, <e.cdte_addr); 1509 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1510 } 1511 break; 1512 } 1513 1514 case LINUX_CDROMSTOP: 1515 args->cmd = CDIOCSTOP; 1516 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1517 break; 1518 1519 case LINUX_CDROMSTART: 1520 args->cmd = CDIOCSTART; 1521 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1522 break; 1523 1524 case LINUX_CDROMEJECT: 1525 args->cmd = CDIOCEJECT; 1526 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1527 break; 1528 1529 /* LINUX_CDROMVOLCTRL */ 1530 1531 case LINUX_CDROMSUBCHNL: { 1532 struct linux_cdrom_subchnl sc; 1533 struct ioc_read_subchannel bsdsc; 1534 struct cd_sub_channel_info bsdinfo; 1535 1536 bsdsc.address_format = CD_LBA_FORMAT; 1537 bsdsc.data_format = CD_CURRENT_POSITION; 1538 bsdsc.track = 0; 1539 bsdsc.data_len = sizeof(bsdinfo); 1540 bsdsc.data = &bsdinfo; 1541 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1542 (caddr_t)&bsdsc, td->td_ucred, td); 1543 if (error) 1544 break; 1545 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1546 if (error) 1547 break; 1548 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1549 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1550 sc.cdsc_ctrl = bsdinfo.what.position.control; 1551 sc.cdsc_trk = bsdinfo.what.position.track_number; 1552 sc.cdsc_ind = bsdinfo.what.position.index_number; 1553 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1554 bsdinfo.what.position.absaddr.lba); 1555 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1556 bsdinfo.what.position.reladdr.lba); 1557 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1558 break; 1559 } 1560 1561 /* LINUX_CDROMREADMODE2 */ 1562 /* LINUX_CDROMREADMODE1 */ 1563 /* LINUX_CDROMREADAUDIO */ 1564 /* LINUX_CDROMEJECT_SW */ 1565 /* LINUX_CDROMMULTISESSION */ 1566 /* LINUX_CDROM_GET_UPC */ 1567 1568 case LINUX_CDROMRESET: 1569 args->cmd = CDIOCRESET; 1570 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1571 break; 1572 1573 /* LINUX_CDROMVOLREAD */ 1574 /* LINUX_CDROMREADRAW */ 1575 /* LINUX_CDROMREADCOOKED */ 1576 /* LINUX_CDROMSEEK */ 1577 /* LINUX_CDROMPLAYBLK */ 1578 /* LINUX_CDROMREADALL */ 1579 /* LINUX_CDROMCLOSETRAY */ 1580 /* LINUX_CDROMLOADFROMSLOT */ 1581 /* LINUX_CDROMGETSPINDOWN */ 1582 /* LINUX_CDROMSETSPINDOWN */ 1583 /* LINUX_CDROM_SET_OPTIONS */ 1584 /* LINUX_CDROM_CLEAR_OPTIONS */ 1585 /* LINUX_CDROM_SELECT_SPEED */ 1586 /* LINUX_CDROM_SELECT_DISC */ 1587 /* LINUX_CDROM_MEDIA_CHANGED */ 1588 /* LINUX_CDROM_DRIVE_STATUS */ 1589 /* LINUX_CDROM_DISC_STATUS */ 1590 /* LINUX_CDROM_CHANGER_NSLOTS */ 1591 /* LINUX_CDROM_LOCKDOOR */ 1592 /* LINUX_CDROM_DEBUG */ 1593 /* LINUX_CDROM_GET_CAPABILITY */ 1594 /* LINUX_CDROMAUDIOBUFSIZ */ 1595 1596 case LINUX_DVD_READ_STRUCT: { 1597 l_dvd_struct *lds; 1598 struct dvd_struct *bds; 1599 1600 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1601 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1602 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1603 if (error) 1604 goto out; 1605 error = linux_to_bsd_dvd_struct(lds, bds); 1606 if (error) 1607 goto out; 1608 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1609 td->td_ucred, td); 1610 if (error) 1611 goto out; 1612 error = bsd_to_linux_dvd_struct(bds, lds); 1613 if (error) 1614 goto out; 1615 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1616 out: 1617 free(bds, M_LINUX); 1618 free(lds, M_LINUX); 1619 break; 1620 } 1621 1622 /* LINUX_DVD_WRITE_STRUCT */ 1623 1624 case LINUX_DVD_AUTH: { 1625 l_dvd_authinfo lda; 1626 struct dvd_authinfo bda; 1627 int bcode; 1628 1629 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1630 if (error) 1631 break; 1632 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1633 if (error) 1634 break; 1635 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1636 td); 1637 if (error) { 1638 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1639 lda.type = LINUX_DVD_AUTH_FAILURE; 1640 copyout(&lda, (void *)args->arg, sizeof(lda)); 1641 } 1642 break; 1643 } 1644 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1645 if (error) 1646 break; 1647 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1648 break; 1649 } 1650 1651 case LINUX_SCSI_GET_BUS_NUMBER: 1652 { 1653 struct sg_scsi_id id; 1654 1655 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1656 td->td_ucred, td); 1657 if (error) 1658 break; 1659 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1660 break; 1661 } 1662 1663 case LINUX_SCSI_GET_IDLUN: 1664 { 1665 struct sg_scsi_id id; 1666 struct scsi_idlun idl; 1667 1668 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1669 td->td_ucred, td); 1670 if (error) 1671 break; 1672 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1673 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1674 idl.host_unique_id = id.host_no; 1675 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1676 break; 1677 } 1678 1679 /* LINUX_CDROM_SEND_PACKET */ 1680 /* LINUX_CDROM_NEXT_WRITABLE */ 1681 /* LINUX_CDROM_LAST_WRITTEN */ 1682 1683 default: 1684 error = ENOIOCTL; 1685 break; 1686 } 1687 1688 fdrop(fp, td); 1689 return (error); 1690 } 1691 1692 static int 1693 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1694 { 1695 1696 return (ENOTTY); 1697 } 1698 1699 /* 1700 * Sound related ioctls 1701 */ 1702 1703 struct linux_old_mixer_info { 1704 char id[16]; 1705 char name[32]; 1706 }; 1707 1708 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1709 1710 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1711 1712 static int 1713 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1714 { 1715 1716 switch (args->cmd & 0xffff) { 1717 1718 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1720 return (sys_ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_BASS: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1724 return (sys_ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1728 return (sys_ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1732 return (sys_ioctl(td, (struct ioctl_args *)args)); 1733 1734 case LINUX_SOUND_MIXER_WRITE_PCM: 1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1736 return (sys_ioctl(td, (struct ioctl_args *)args)); 1737 1738 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1740 return (sys_ioctl(td, (struct ioctl_args *)args)); 1741 1742 case LINUX_SOUND_MIXER_WRITE_LINE: 1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1744 return (sys_ioctl(td, (struct ioctl_args *)args)); 1745 1746 case LINUX_SOUND_MIXER_WRITE_MIC: 1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1748 return (sys_ioctl(td, (struct ioctl_args *)args)); 1749 1750 case LINUX_SOUND_MIXER_WRITE_CD: 1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1752 return (sys_ioctl(td, (struct ioctl_args *)args)); 1753 1754 case LINUX_SOUND_MIXER_WRITE_IMIX: 1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1756 return (sys_ioctl(td, (struct ioctl_args *)args)); 1757 1758 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1760 return (sys_ioctl(td, (struct ioctl_args *)args)); 1761 1762 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1764 return (sys_ioctl(td, (struct ioctl_args *)args)); 1765 1766 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1767 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1768 return (sys_ioctl(td, (struct ioctl_args *)args)); 1769 1770 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1771 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1772 return (sys_ioctl(td, (struct ioctl_args *)args)); 1773 1774 case LINUX_SOUND_MIXER_WRITE_LINE1: 1775 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1776 return (sys_ioctl(td, (struct ioctl_args *)args)); 1777 1778 case LINUX_SOUND_MIXER_WRITE_LINE2: 1779 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1780 return (sys_ioctl(td, (struct ioctl_args *)args)); 1781 1782 case LINUX_SOUND_MIXER_WRITE_LINE3: 1783 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1784 return (sys_ioctl(td, (struct ioctl_args *)args)); 1785 1786 case LINUX_SOUND_MIXER_INFO: { 1787 /* Key on encoded length */ 1788 switch ((args->cmd >> 16) & 0x1fff) { 1789 case 0x005c: { /* SOUND_MIXER_INFO */ 1790 args->cmd = SOUND_MIXER_INFO; 1791 return (sys_ioctl(td, (struct ioctl_args *)args)); 1792 } 1793 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1794 struct linux_old_mixer_info info; 1795 bzero(&info, sizeof(info)); 1796 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1797 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1798 copyout(&info, (void *)args->arg, sizeof(info)); 1799 return (0); 1800 } 1801 default: 1802 return (ENOIOCTL); 1803 } 1804 break; 1805 } 1806 1807 case LINUX_OSS_GETVERSION: { 1808 int version = linux_get_oss_version(td); 1809 return (copyout(&version, (void *)args->arg, sizeof(int))); 1810 } 1811 1812 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1813 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1814 return (sys_ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SOUND_MIXER_READ_CAPS: 1817 args->cmd = SOUND_MIXER_READ_CAPS; 1818 return (sys_ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SOUND_MIXER_READ_RECMASK: 1821 args->cmd = SOUND_MIXER_READ_RECMASK; 1822 return (sys_ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SOUND_MIXER_READ_DEVMASK: 1825 args->cmd = SOUND_MIXER_READ_DEVMASK; 1826 return (sys_ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1829 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1830 return (sys_ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SNDCTL_DSP_RESET: 1833 args->cmd = SNDCTL_DSP_RESET; 1834 return (sys_ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SNDCTL_DSP_SYNC: 1837 args->cmd = SNDCTL_DSP_SYNC; 1838 return (sys_ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SNDCTL_DSP_SPEED: 1841 args->cmd = SNDCTL_DSP_SPEED; 1842 return (sys_ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SNDCTL_DSP_STEREO: 1845 args->cmd = SNDCTL_DSP_STEREO; 1846 return (sys_ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1849 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1850 return (sys_ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SNDCTL_DSP_SETFMT: 1853 args->cmd = SNDCTL_DSP_SETFMT; 1854 return (sys_ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1857 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1858 return (sys_ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SOUND_PCM_WRITE_FILTER: 1861 args->cmd = SOUND_PCM_WRITE_FILTER; 1862 return (sys_ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_DSP_POST: 1865 args->cmd = SNDCTL_DSP_POST; 1866 return (sys_ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1869 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1870 return (sys_ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1873 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1874 return (sys_ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_DSP_GETFMTS: 1877 args->cmd = SNDCTL_DSP_GETFMTS; 1878 return (sys_ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_DSP_GETOSPACE: 1881 args->cmd = SNDCTL_DSP_GETOSPACE; 1882 return (sys_ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_DSP_GETISPACE: 1885 args->cmd = SNDCTL_DSP_GETISPACE; 1886 return (sys_ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_DSP_NONBLOCK: 1889 args->cmd = SNDCTL_DSP_NONBLOCK; 1890 return (sys_ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_DSP_GETCAPS: 1893 args->cmd = SNDCTL_DSP_GETCAPS; 1894 return (sys_ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1897 args->cmd = SNDCTL_DSP_SETTRIGGER; 1898 return (sys_ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_DSP_GETIPTR: 1901 args->cmd = SNDCTL_DSP_GETIPTR; 1902 return (sys_ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_DSP_GETOPTR: 1905 args->cmd = SNDCTL_DSP_GETOPTR; 1906 return (sys_ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_DSP_SETDUPLEX: 1909 args->cmd = SNDCTL_DSP_SETDUPLEX; 1910 return (sys_ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_DSP_GETODELAY: 1913 args->cmd = SNDCTL_DSP_GETODELAY; 1914 return (sys_ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SEQ_RESET: 1917 args->cmd = SNDCTL_SEQ_RESET; 1918 return (sys_ioctl(td, (struct ioctl_args *)args)); 1919 1920 case LINUX_SNDCTL_SEQ_SYNC: 1921 args->cmd = SNDCTL_SEQ_SYNC; 1922 return (sys_ioctl(td, (struct ioctl_args *)args)); 1923 1924 case LINUX_SNDCTL_SYNTH_INFO: 1925 args->cmd = SNDCTL_SYNTH_INFO; 1926 return (sys_ioctl(td, (struct ioctl_args *)args)); 1927 1928 case LINUX_SNDCTL_SEQ_CTRLRATE: 1929 args->cmd = SNDCTL_SEQ_CTRLRATE; 1930 return (sys_ioctl(td, (struct ioctl_args *)args)); 1931 1932 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1933 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1934 return (sys_ioctl(td, (struct ioctl_args *)args)); 1935 1936 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1937 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1938 return (sys_ioctl(td, (struct ioctl_args *)args)); 1939 1940 case LINUX_SNDCTL_SEQ_PERCMODE: 1941 args->cmd = SNDCTL_SEQ_PERCMODE; 1942 return (sys_ioctl(td, (struct ioctl_args *)args)); 1943 1944 case LINUX_SNDCTL_FM_LOAD_INSTR: 1945 args->cmd = SNDCTL_FM_LOAD_INSTR; 1946 return (sys_ioctl(td, (struct ioctl_args *)args)); 1947 1948 case LINUX_SNDCTL_SEQ_TESTMIDI: 1949 args->cmd = SNDCTL_SEQ_TESTMIDI; 1950 return (sys_ioctl(td, (struct ioctl_args *)args)); 1951 1952 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1953 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1954 return (sys_ioctl(td, (struct ioctl_args *)args)); 1955 1956 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1957 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1958 return (sys_ioctl(td, (struct ioctl_args *)args)); 1959 1960 case LINUX_SNDCTL_SEQ_NRMIDIS: 1961 args->cmd = SNDCTL_SEQ_NRMIDIS; 1962 return (sys_ioctl(td, (struct ioctl_args *)args)); 1963 1964 case LINUX_SNDCTL_MIDI_INFO: 1965 args->cmd = SNDCTL_MIDI_INFO; 1966 return (sys_ioctl(td, (struct ioctl_args *)args)); 1967 1968 case LINUX_SNDCTL_SEQ_TRESHOLD: 1969 args->cmd = SNDCTL_SEQ_TRESHOLD; 1970 return (sys_ioctl(td, (struct ioctl_args *)args)); 1971 1972 case LINUX_SNDCTL_SYNTH_MEMAVL: 1973 args->cmd = SNDCTL_SYNTH_MEMAVL; 1974 return (sys_ioctl(td, (struct ioctl_args *)args)); 1975 1976 } 1977 1978 return (ENOIOCTL); 1979 } 1980 1981 /* 1982 * Console related ioctls 1983 */ 1984 1985 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1986 1987 static int 1988 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1989 { 1990 cap_rights_t rights; 1991 struct file *fp; 1992 int error; 1993 1994 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1995 if (error != 0) 1996 return (error); 1997 switch (args->cmd & 0xffff) { 1998 1999 case LINUX_KIOCSOUND: 2000 args->cmd = KIOCSOUND; 2001 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2002 break; 2003 2004 case LINUX_KDMKTONE: 2005 args->cmd = KDMKTONE; 2006 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2007 break; 2008 2009 case LINUX_KDGETLED: 2010 args->cmd = KDGETLED; 2011 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2012 break; 2013 2014 case LINUX_KDSETLED: 2015 args->cmd = KDSETLED; 2016 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2017 break; 2018 2019 case LINUX_KDSETMODE: 2020 args->cmd = KDSETMODE; 2021 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2022 break; 2023 2024 case LINUX_KDGETMODE: 2025 args->cmd = KDGETMODE; 2026 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2027 break; 2028 2029 case LINUX_KDGKBMODE: 2030 args->cmd = KDGKBMODE; 2031 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2032 break; 2033 2034 case LINUX_KDSKBMODE: { 2035 int kbdmode; 2036 switch (args->arg) { 2037 case LINUX_KBD_RAW: 2038 kbdmode = K_RAW; 2039 break; 2040 case LINUX_KBD_XLATE: 2041 kbdmode = K_XLATE; 2042 break; 2043 case LINUX_KBD_MEDIUMRAW: 2044 kbdmode = K_RAW; 2045 break; 2046 default: 2047 fdrop(fp, td); 2048 return (EINVAL); 2049 } 2050 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2051 td->td_ucred, td)); 2052 break; 2053 } 2054 2055 case LINUX_VT_OPENQRY: 2056 args->cmd = VT_OPENQRY; 2057 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2058 break; 2059 2060 case LINUX_VT_GETMODE: 2061 args->cmd = VT_GETMODE; 2062 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2063 break; 2064 2065 case LINUX_VT_SETMODE: { 2066 struct vt_mode mode; 2067 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2068 break; 2069 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig)) 2070 mode.frsig = mode.acqsig; 2071 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2072 break; 2073 args->cmd = VT_SETMODE; 2074 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2075 break; 2076 } 2077 2078 case LINUX_VT_GETSTATE: 2079 args->cmd = VT_GETACTIVE; 2080 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2081 break; 2082 2083 case LINUX_VT_RELDISP: 2084 args->cmd = VT_RELDISP; 2085 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2086 break; 2087 2088 case LINUX_VT_ACTIVATE: 2089 args->cmd = VT_ACTIVATE; 2090 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2091 break; 2092 2093 case LINUX_VT_WAITACTIVE: 2094 args->cmd = VT_WAITACTIVE; 2095 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2096 break; 2097 2098 default: 2099 error = ENOIOCTL; 2100 break; 2101 } 2102 2103 fdrop(fp, td); 2104 return (error); 2105 } 2106 2107 /* 2108 * Criteria for interface name translation 2109 */ 2110 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2111 2112 /* 2113 * Interface function used by linprocfs (at the time of writing). It's not 2114 * used by the Linuxulator itself. 2115 */ 2116 int 2117 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 2118 { 2119 struct ifnet *ifscan; 2120 int ethno; 2121 2122 IFNET_RLOCK_ASSERT(); 2123 2124 /* Short-circuit non ethernet interfaces */ 2125 if (!IFP_IS_ETH(ifp)) 2126 return (strlcpy(buffer, ifp->if_xname, buflen)); 2127 2128 /* Determine the (relative) unit number for ethernet interfaces */ 2129 ethno = 0; 2130 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 2131 if (ifscan == ifp) 2132 return (snprintf(buffer, buflen, "eth%d", ethno)); 2133 if (IFP_IS_ETH(ifscan)) 2134 ethno++; 2135 } 2136 2137 return (0); 2138 } 2139 2140 /* 2141 * Translate a Linux interface name to a FreeBSD interface name, 2142 * and return the associated ifnet structure 2143 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2144 * can point to the same buffer. 2145 */ 2146 2147 static struct ifnet * 2148 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2149 { 2150 struct ifnet *ifp; 2151 int len, unit; 2152 char *ep; 2153 int is_eth, index; 2154 2155 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2156 if (!isalpha(lxname[len])) 2157 break; 2158 if (len == 0 || len == LINUX_IFNAMSIZ) 2159 return (NULL); 2160 unit = (int)strtoul(lxname + len, &ep, 10); 2161 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2162 return (NULL); 2163 index = 0; 2164 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2165 CURVNET_SET(TD_TO_VNET(td)); 2166 IFNET_RLOCK(); 2167 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2168 /* 2169 * Allow Linux programs to use FreeBSD names. Don't presume 2170 * we never have an interface named "eth", so don't make 2171 * the test optional based on is_eth. 2172 */ 2173 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2174 break; 2175 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2176 break; 2177 } 2178 IFNET_RUNLOCK(); 2179 CURVNET_RESTORE(); 2180 if (ifp != NULL) 2181 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2182 return (ifp); 2183 } 2184 2185 /* 2186 * Implement the SIOCGIFCONF ioctl 2187 */ 2188 2189 static int 2190 linux_ifconf(struct thread *td, struct ifconf *uifc) 2191 { 2192 #ifdef COMPAT_LINUX32 2193 struct l_ifconf ifc; 2194 #else 2195 struct ifconf ifc; 2196 #endif 2197 struct l_ifreq ifr; 2198 struct ifnet *ifp; 2199 struct ifaddr *ifa; 2200 struct sbuf *sb; 2201 int error, ethno, full = 0, valid_len, max_len; 2202 2203 error = copyin(uifc, &ifc, sizeof(ifc)); 2204 if (error != 0) 2205 return (error); 2206 2207 max_len = MAXPHYS - 1; 2208 2209 CURVNET_SET(TD_TO_VNET(td)); 2210 /* handle the 'request buffer size' case */ 2211 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2212 ifc.ifc_len = 0; 2213 IFNET_RLOCK(); 2214 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2215 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2216 struct sockaddr *sa = ifa->ifa_addr; 2217 if (sa->sa_family == AF_INET) 2218 ifc.ifc_len += sizeof(ifr); 2219 } 2220 } 2221 IFNET_RUNLOCK(); 2222 error = copyout(&ifc, uifc, sizeof(ifc)); 2223 CURVNET_RESTORE(); 2224 return (error); 2225 } 2226 2227 if (ifc.ifc_len <= 0) { 2228 CURVNET_RESTORE(); 2229 return (EINVAL); 2230 } 2231 2232 again: 2233 /* Keep track of eth interfaces */ 2234 ethno = 0; 2235 if (ifc.ifc_len <= max_len) { 2236 max_len = ifc.ifc_len; 2237 full = 1; 2238 } 2239 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2240 max_len = 0; 2241 valid_len = 0; 2242 2243 /* Return all AF_INET addresses of all interfaces */ 2244 IFNET_RLOCK(); 2245 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2246 int addrs = 0; 2247 2248 bzero(&ifr, sizeof(ifr)); 2249 if (IFP_IS_ETH(ifp)) 2250 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2251 ethno++); 2252 else 2253 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2254 2255 /* Walk the address list */ 2256 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2257 struct sockaddr *sa = ifa->ifa_addr; 2258 2259 if (sa->sa_family == AF_INET) { 2260 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2261 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2262 sizeof(ifr.ifr_addr.sa_data)); 2263 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2264 max_len += sizeof(ifr); 2265 addrs++; 2266 } 2267 2268 if (sbuf_error(sb) == 0) 2269 valid_len = sbuf_len(sb); 2270 } 2271 if (addrs == 0) { 2272 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2273 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2274 max_len += sizeof(ifr); 2275 2276 if (sbuf_error(sb) == 0) 2277 valid_len = sbuf_len(sb); 2278 } 2279 } 2280 IFNET_RUNLOCK(); 2281 2282 if (valid_len != max_len && !full) { 2283 sbuf_delete(sb); 2284 goto again; 2285 } 2286 2287 ifc.ifc_len = valid_len; 2288 sbuf_finish(sb); 2289 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2290 if (error == 0) 2291 error = copyout(&ifc, uifc, sizeof(ifc)); 2292 sbuf_delete(sb); 2293 CURVNET_RESTORE(); 2294 2295 return (error); 2296 } 2297 2298 static int 2299 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2300 { 2301 l_short flags; 2302 2303 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2304 /* these flags have no Linux equivalent */ 2305 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2306 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2307 /* Linux' multicast flag is in a different bit */ 2308 if (flags & IFF_MULTICAST) { 2309 flags &= ~IFF_MULTICAST; 2310 flags |= 0x1000; 2311 } 2312 2313 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2314 } 2315 2316 #define ARPHRD_ETHER 1 2317 #define ARPHRD_LOOPBACK 772 2318 2319 static int 2320 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2321 { 2322 struct ifaddr *ifa; 2323 struct sockaddr_dl *sdl; 2324 struct l_sockaddr lsa; 2325 2326 if (ifp->if_type == IFT_LOOP) { 2327 bzero(&lsa, sizeof(lsa)); 2328 lsa.sa_family = ARPHRD_LOOPBACK; 2329 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2330 } 2331 2332 if (ifp->if_type != IFT_ETHER) 2333 return (ENOENT); 2334 2335 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2336 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2337 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2338 (sdl->sdl_type == IFT_ETHER)) { 2339 bzero(&lsa, sizeof(lsa)); 2340 lsa.sa_family = ARPHRD_ETHER; 2341 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2342 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2343 } 2344 } 2345 2346 return (ENOENT); 2347 } 2348 2349 2350 /* 2351 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2352 * the native ioctl(). Thus, we don't really need to check the return 2353 * value of this function. 2354 */ 2355 static int 2356 bsd_to_linux_ifreq(struct ifreq *arg) 2357 { 2358 struct ifreq ifr; 2359 size_t ifr_len = sizeof(struct ifreq); 2360 int error; 2361 2362 if ((error = copyin(arg, &ifr, ifr_len))) 2363 return (error); 2364 2365 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2366 2367 error = copyout(&ifr, arg, ifr_len); 2368 2369 return (error); 2370 } 2371 2372 /* 2373 * Socket related ioctls 2374 */ 2375 2376 static int 2377 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2378 { 2379 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2380 cap_rights_t rights; 2381 struct ifnet *ifp; 2382 struct file *fp; 2383 int error, type; 2384 2385 ifp = NULL; 2386 error = 0; 2387 2388 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2389 if (error != 0) 2390 return (error); 2391 type = fp->f_type; 2392 fdrop(fp, td); 2393 if (type != DTYPE_SOCKET) { 2394 /* not a socket - probably a tap / vmnet device */ 2395 switch (args->cmd) { 2396 case LINUX_SIOCGIFADDR: 2397 case LINUX_SIOCSIFADDR: 2398 case LINUX_SIOCGIFFLAGS: 2399 return (linux_ioctl_special(td, args)); 2400 default: 2401 return (ENOIOCTL); 2402 } 2403 } 2404 2405 switch (args->cmd & 0xffff) { 2406 2407 case LINUX_FIOGETOWN: 2408 case LINUX_FIOSETOWN: 2409 case LINUX_SIOCADDMULTI: 2410 case LINUX_SIOCATMARK: 2411 case LINUX_SIOCDELMULTI: 2412 case LINUX_SIOCGIFCONF: 2413 case LINUX_SIOCGPGRP: 2414 case LINUX_SIOCSPGRP: 2415 case LINUX_SIOCGIFCOUNT: 2416 /* these ioctls don't take an interface name */ 2417 #ifdef DEBUG 2418 printf("%s(): ioctl %d\n", __func__, 2419 args->cmd & 0xffff); 2420 #endif 2421 break; 2422 2423 case LINUX_SIOCGIFFLAGS: 2424 case LINUX_SIOCGIFADDR: 2425 case LINUX_SIOCSIFADDR: 2426 case LINUX_SIOCGIFDSTADDR: 2427 case LINUX_SIOCGIFBRDADDR: 2428 case LINUX_SIOCGIFNETMASK: 2429 case LINUX_SIOCSIFNETMASK: 2430 case LINUX_SIOCGIFMTU: 2431 case LINUX_SIOCSIFMTU: 2432 case LINUX_SIOCSIFNAME: 2433 case LINUX_SIOCGIFHWADDR: 2434 case LINUX_SIOCSIFHWADDR: 2435 case LINUX_SIOCDEVPRIVATE: 2436 case LINUX_SIOCDEVPRIVATE+1: 2437 case LINUX_SIOCGIFINDEX: 2438 /* copy in the interface name and translate it. */ 2439 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2440 if (error != 0) 2441 return (error); 2442 #ifdef DEBUG 2443 printf("%s(): ioctl %d on %.*s\n", __func__, 2444 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2445 #endif 2446 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2447 if (ifp == NULL) 2448 return (EINVAL); 2449 /* 2450 * We need to copy it back out in case we pass the 2451 * request on to our native ioctl(), which will expect 2452 * the ifreq to be in user space and have the correct 2453 * interface name. 2454 */ 2455 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2456 if (error != 0) 2457 return (error); 2458 #ifdef DEBUG 2459 printf("%s(): %s translated to %s\n", __func__, 2460 lifname, ifname); 2461 #endif 2462 break; 2463 2464 default: 2465 return (ENOIOCTL); 2466 } 2467 2468 switch (args->cmd & 0xffff) { 2469 2470 case LINUX_FIOSETOWN: 2471 args->cmd = FIOSETOWN; 2472 error = sys_ioctl(td, (struct ioctl_args *)args); 2473 break; 2474 2475 case LINUX_SIOCSPGRP: 2476 args->cmd = SIOCSPGRP; 2477 error = sys_ioctl(td, (struct ioctl_args *)args); 2478 break; 2479 2480 case LINUX_FIOGETOWN: 2481 args->cmd = FIOGETOWN; 2482 error = sys_ioctl(td, (struct ioctl_args *)args); 2483 break; 2484 2485 case LINUX_SIOCGPGRP: 2486 args->cmd = SIOCGPGRP; 2487 error = sys_ioctl(td, (struct ioctl_args *)args); 2488 break; 2489 2490 case LINUX_SIOCATMARK: 2491 args->cmd = SIOCATMARK; 2492 error = sys_ioctl(td, (struct ioctl_args *)args); 2493 break; 2494 2495 /* LINUX_SIOCGSTAMP */ 2496 2497 case LINUX_SIOCGIFCONF: 2498 error = linux_ifconf(td, (struct ifconf *)args->arg); 2499 break; 2500 2501 case LINUX_SIOCGIFFLAGS: 2502 args->cmd = SIOCGIFFLAGS; 2503 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2504 break; 2505 2506 case LINUX_SIOCGIFADDR: 2507 args->cmd = SIOCGIFADDR; 2508 error = sys_ioctl(td, (struct ioctl_args *)args); 2509 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2510 break; 2511 2512 case LINUX_SIOCSIFADDR: 2513 /* XXX probably doesn't work, included for completeness */ 2514 args->cmd = SIOCSIFADDR; 2515 error = sys_ioctl(td, (struct ioctl_args *)args); 2516 break; 2517 2518 case LINUX_SIOCGIFDSTADDR: 2519 args->cmd = SIOCGIFDSTADDR; 2520 error = sys_ioctl(td, (struct ioctl_args *)args); 2521 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2522 break; 2523 2524 case LINUX_SIOCGIFBRDADDR: 2525 args->cmd = SIOCGIFBRDADDR; 2526 error = sys_ioctl(td, (struct ioctl_args *)args); 2527 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2528 break; 2529 2530 case LINUX_SIOCGIFNETMASK: 2531 args->cmd = SIOCGIFNETMASK; 2532 error = sys_ioctl(td, (struct ioctl_args *)args); 2533 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2534 break; 2535 2536 case LINUX_SIOCSIFNETMASK: 2537 error = ENOIOCTL; 2538 break; 2539 2540 case LINUX_SIOCGIFMTU: 2541 args->cmd = SIOCGIFMTU; 2542 error = sys_ioctl(td, (struct ioctl_args *)args); 2543 break; 2544 2545 case LINUX_SIOCSIFMTU: 2546 args->cmd = SIOCSIFMTU; 2547 error = sys_ioctl(td, (struct ioctl_args *)args); 2548 break; 2549 2550 case LINUX_SIOCSIFNAME: 2551 error = ENOIOCTL; 2552 break; 2553 2554 case LINUX_SIOCGIFHWADDR: 2555 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2556 break; 2557 2558 case LINUX_SIOCSIFHWADDR: 2559 error = ENOIOCTL; 2560 break; 2561 2562 case LINUX_SIOCADDMULTI: 2563 args->cmd = SIOCADDMULTI; 2564 error = sys_ioctl(td, (struct ioctl_args *)args); 2565 break; 2566 2567 case LINUX_SIOCDELMULTI: 2568 args->cmd = SIOCDELMULTI; 2569 error = sys_ioctl(td, (struct ioctl_args *)args); 2570 break; 2571 2572 case LINUX_SIOCGIFINDEX: 2573 args->cmd = SIOCGIFINDEX; 2574 error = sys_ioctl(td, (struct ioctl_args *)args); 2575 break; 2576 2577 case LINUX_SIOCGIFCOUNT: 2578 error = 0; 2579 break; 2580 2581 /* 2582 * XXX This is slightly bogus, but these ioctls are currently 2583 * XXX only used by the aironet (if_an) network driver. 2584 */ 2585 case LINUX_SIOCDEVPRIVATE: 2586 args->cmd = SIOCGPRIVATE_0; 2587 error = sys_ioctl(td, (struct ioctl_args *)args); 2588 break; 2589 2590 case LINUX_SIOCDEVPRIVATE+1: 2591 args->cmd = SIOCGPRIVATE_1; 2592 error = sys_ioctl(td, (struct ioctl_args *)args); 2593 break; 2594 } 2595 2596 if (ifp != NULL) 2597 /* restore the original interface name */ 2598 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2599 2600 #ifdef DEBUG 2601 printf("%s(): returning %d\n", __func__, error); 2602 #endif 2603 return (error); 2604 } 2605 2606 /* 2607 * Device private ioctl handler 2608 */ 2609 static int 2610 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2611 { 2612 cap_rights_t rights; 2613 struct file *fp; 2614 int error, type; 2615 2616 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2617 if (error != 0) 2618 return (error); 2619 type = fp->f_type; 2620 fdrop(fp, td); 2621 if (type == DTYPE_SOCKET) 2622 return (linux_ioctl_socket(td, args)); 2623 return (ENOIOCTL); 2624 } 2625 2626 /* 2627 * DRM ioctl handler (sys/dev/drm) 2628 */ 2629 static int 2630 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2631 { 2632 args->cmd = SETDIR(args->cmd); 2633 return sys_ioctl(td, (struct ioctl_args *)args); 2634 } 2635 2636 #ifdef COMPAT_LINUX32 2637 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 2638 #define PTRIN_CP(src,dst,fld) \ 2639 do { (dst).fld = PTRIN((src).fld); } while (0) 2640 #define PTROUT_CP(src,dst,fld) \ 2641 do { (dst).fld = PTROUT((src).fld); } while (0) 2642 2643 static int 2644 linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2645 { 2646 struct sg_io_hdr io; 2647 struct sg_io_hdr32 io32; 2648 cap_rights_t rights; 2649 struct file *fp; 2650 int error; 2651 2652 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2653 if (error != 0) { 2654 printf("sg_linux_ioctl: fget returned %d\n", error); 2655 return (error); 2656 } 2657 2658 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2659 goto out; 2660 2661 CP(io32, io, interface_id); 2662 CP(io32, io, dxfer_direction); 2663 CP(io32, io, cmd_len); 2664 CP(io32, io, mx_sb_len); 2665 CP(io32, io, iovec_count); 2666 CP(io32, io, dxfer_len); 2667 PTRIN_CP(io32, io, dxferp); 2668 PTRIN_CP(io32, io, cmdp); 2669 PTRIN_CP(io32, io, sbp); 2670 CP(io32, io, timeout); 2671 CP(io32, io, flags); 2672 CP(io32, io, pack_id); 2673 PTRIN_CP(io32, io, usr_ptr); 2674 CP(io32, io, status); 2675 CP(io32, io, masked_status); 2676 CP(io32, io, msg_status); 2677 CP(io32, io, sb_len_wr); 2678 CP(io32, io, host_status); 2679 CP(io32, io, driver_status); 2680 CP(io32, io, resid); 2681 CP(io32, io, duration); 2682 CP(io32, io, info); 2683 2684 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2685 goto out; 2686 2687 CP(io, io32, interface_id); 2688 CP(io, io32, dxfer_direction); 2689 CP(io, io32, cmd_len); 2690 CP(io, io32, mx_sb_len); 2691 CP(io, io32, iovec_count); 2692 CP(io, io32, dxfer_len); 2693 PTROUT_CP(io, io32, dxferp); 2694 PTROUT_CP(io, io32, cmdp); 2695 PTROUT_CP(io, io32, sbp); 2696 CP(io, io32, timeout); 2697 CP(io, io32, flags); 2698 CP(io, io32, pack_id); 2699 PTROUT_CP(io, io32, usr_ptr); 2700 CP(io, io32, status); 2701 CP(io, io32, masked_status); 2702 CP(io, io32, msg_status); 2703 CP(io, io32, sb_len_wr); 2704 CP(io, io32, host_status); 2705 CP(io, io32, driver_status); 2706 CP(io, io32, resid); 2707 CP(io, io32, duration); 2708 CP(io, io32, info); 2709 2710 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2711 2712 out: 2713 fdrop(fp, td); 2714 return (error); 2715 } 2716 #endif 2717 2718 static int 2719 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2720 { 2721 2722 switch (args->cmd) { 2723 case LINUX_SG_GET_VERSION_NUM: 2724 args->cmd = SG_GET_VERSION_NUM; 2725 break; 2726 case LINUX_SG_SET_TIMEOUT: 2727 args->cmd = SG_SET_TIMEOUT; 2728 break; 2729 case LINUX_SG_GET_TIMEOUT: 2730 args->cmd = SG_GET_TIMEOUT; 2731 break; 2732 case LINUX_SG_IO: 2733 args->cmd = SG_IO; 2734 #ifdef COMPAT_LINUX32 2735 return (linux_ioctl_sg_io(td, args)); 2736 #endif 2737 break; 2738 case LINUX_SG_GET_RESERVED_SIZE: 2739 args->cmd = SG_GET_RESERVED_SIZE; 2740 break; 2741 case LINUX_SG_GET_SCSI_ID: 2742 args->cmd = SG_GET_SCSI_ID; 2743 break; 2744 case LINUX_SG_GET_SG_TABLESIZE: 2745 args->cmd = SG_GET_SG_TABLESIZE; 2746 break; 2747 default: 2748 return (ENODEV); 2749 } 2750 return (sys_ioctl(td, (struct ioctl_args *)args)); 2751 } 2752 2753 /* 2754 * Video4Linux (V4L) ioctl handler 2755 */ 2756 static int 2757 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2758 { 2759 vt->tuner = lvt->tuner; 2760 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2761 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2762 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2763 vt->flags = lvt->flags; 2764 vt->mode = lvt->mode; 2765 vt->signal = lvt->signal; 2766 return (0); 2767 } 2768 2769 static int 2770 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2771 { 2772 lvt->tuner = vt->tuner; 2773 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2774 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2775 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2776 lvt->flags = vt->flags; 2777 lvt->mode = vt->mode; 2778 lvt->signal = vt->signal; 2779 return (0); 2780 } 2781 2782 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2783 static int 2784 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2785 { 2786 vc->x = lvc->x; 2787 vc->y = lvc->y; 2788 vc->width = lvc->width; 2789 vc->height = lvc->height; 2790 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2791 return (0); 2792 } 2793 #endif 2794 2795 static int 2796 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2797 { 2798 vw->x = lvw->x; 2799 vw->y = lvw->y; 2800 vw->width = lvw->width; 2801 vw->height = lvw->height; 2802 vw->chromakey = lvw->chromakey; 2803 vw->flags = lvw->flags; 2804 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2805 vw->clipcount = lvw->clipcount; 2806 return (0); 2807 } 2808 2809 static int 2810 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2811 { 2812 lvw->x = vw->x; 2813 lvw->y = vw->y; 2814 lvw->width = vw->width; 2815 lvw->height = vw->height; 2816 lvw->chromakey = vw->chromakey; 2817 lvw->flags = vw->flags; 2818 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2819 lvw->clipcount = vw->clipcount; 2820 return (0); 2821 } 2822 2823 static int 2824 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2825 { 2826 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2827 vb->height = lvb->height; 2828 vb->width = lvb->width; 2829 vb->depth = lvb->depth; 2830 vb->bytesperline = lvb->bytesperline; 2831 return (0); 2832 } 2833 2834 static int 2835 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2836 { 2837 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2838 lvb->height = vb->height; 2839 lvb->width = vb->width; 2840 lvb->depth = vb->depth; 2841 lvb->bytesperline = vb->bytesperline; 2842 return (0); 2843 } 2844 2845 static int 2846 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2847 { 2848 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2849 vc->datasize = lvc->datasize; 2850 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2851 return (0); 2852 } 2853 2854 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2855 static int 2856 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2857 { 2858 int error; 2859 struct video_clip vclip; 2860 struct l_video_clip l_vclip; 2861 2862 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2863 if (error) return (error); 2864 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2865 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2866 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2867 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2868 memcpy(*ppvc, &vclip, sizeof(vclip)); 2869 (*ppvc)->next = NULL; 2870 return (0); 2871 } 2872 2873 static int 2874 linux_v4l_cliplist_free(struct video_window *vw) 2875 { 2876 struct video_clip **ppvc; 2877 struct video_clip **ppvc_next; 2878 2879 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2880 ppvc_next = &((*ppvc)->next); 2881 free(*ppvc, M_LINUX); 2882 } 2883 vw->clips = NULL; 2884 2885 return (0); 2886 } 2887 2888 static int 2889 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2890 { 2891 int error; 2892 int clipcount; 2893 void *plvc; 2894 struct video_clip **ppvc; 2895 2896 /* 2897 * XXX: The cliplist is used to pass in a list of clipping 2898 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2899 * clipping bitmap. Some Linux apps, however, appear to 2900 * leave cliplist and clips uninitialized. In any case, 2901 * the cliplist is not used by pwc(4), at the time of 2902 * writing, FreeBSD's only V4L driver. When a driver 2903 * that uses the cliplist is developed, this code may 2904 * need re-examiniation. 2905 */ 2906 error = 0; 2907 clipcount = vw->clipcount; 2908 if (clipcount == VIDEO_CLIP_BITMAP) { 2909 /* 2910 * In this case, the pointer (clips) is overloaded 2911 * to be a "void *" to a bitmap, therefore there 2912 * is no struct video_clip to copy now. 2913 */ 2914 } else if (clipcount > 0 && clipcount <= 16384) { 2915 /* 2916 * Clips points to list of clip rectangles, so 2917 * copy the list. 2918 * 2919 * XXX: Upper limit of 16384 was used here to try to 2920 * avoid cases when clipcount and clips pointer 2921 * are uninitialized and therefore have high random 2922 * values, as is the case in the Linux Skype 2923 * application. The value 16384 was chosen as that 2924 * is what is used in the Linux stradis(4) MPEG 2925 * decoder driver, the only place we found an 2926 * example of cliplist use. 2927 */ 2928 plvc = PTRIN(lvw->clips); 2929 vw->clips = NULL; 2930 ppvc = &(vw->clips); 2931 while (clipcount-- > 0) { 2932 if (plvc == 0) { 2933 error = EFAULT; 2934 break; 2935 } else { 2936 error = linux_v4l_clip_copy(plvc, ppvc); 2937 if (error) { 2938 linux_v4l_cliplist_free(vw); 2939 break; 2940 } 2941 } 2942 ppvc = &((*ppvc)->next); 2943 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2944 } 2945 } else { 2946 /* 2947 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2948 * Force cliplist to null. 2949 */ 2950 vw->clipcount = 0; 2951 vw->clips = NULL; 2952 } 2953 return (error); 2954 } 2955 #endif 2956 2957 static int 2958 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2959 { 2960 cap_rights_t rights; 2961 struct file *fp; 2962 int error; 2963 struct video_tuner vtun; 2964 struct video_window vwin; 2965 struct video_buffer vbuf; 2966 struct video_code vcode; 2967 struct l_video_tuner l_vtun; 2968 struct l_video_window l_vwin; 2969 struct l_video_buffer l_vbuf; 2970 struct l_video_code l_vcode; 2971 2972 switch (args->cmd & 0xffff) { 2973 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2974 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2975 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2976 2977 case LINUX_VIDIOCGTUNER: 2978 error = fget(td, args->fd, 2979 cap_rights_init(&rights, CAP_IOCTL), &fp); 2980 if (error != 0) 2981 return (error); 2982 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2983 if (error) { 2984 fdrop(fp, td); 2985 return (error); 2986 } 2987 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2988 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2989 if (!error) { 2990 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2991 error = copyout(&l_vtun, (void *) args->arg, 2992 sizeof(l_vtun)); 2993 } 2994 fdrop(fp, td); 2995 return (error); 2996 2997 case LINUX_VIDIOCSTUNER: 2998 error = fget(td, args->fd, 2999 cap_rights_init(&rights, CAP_IOCTL), &fp); 3000 if (error != 0) 3001 return (error); 3002 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 3003 if (error) { 3004 fdrop(fp, td); 3005 return (error); 3006 } 3007 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 3008 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 3009 fdrop(fp, td); 3010 return (error); 3011 3012 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 3013 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 3014 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 3015 3016 case LINUX_VIDIOCGWIN: 3017 error = fget(td, args->fd, 3018 cap_rights_init(&rights, CAP_IOCTL), &fp); 3019 if (error != 0) 3020 return (error); 3021 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 3022 if (!error) { 3023 bsd_to_linux_v4l_window(&vwin, &l_vwin); 3024 error = copyout(&l_vwin, (void *) args->arg, 3025 sizeof(l_vwin)); 3026 } 3027 fdrop(fp, td); 3028 return (error); 3029 3030 case LINUX_VIDIOCSWIN: 3031 error = fget(td, args->fd, 3032 cap_rights_init(&rights, CAP_IOCTL), &fp); 3033 if (error != 0) 3034 return (error); 3035 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 3036 if (error) { 3037 fdrop(fp, td); 3038 return (error); 3039 } 3040 linux_to_bsd_v4l_window(&l_vwin, &vwin); 3041 #ifdef COMPAT_LINUX_V4L_CLIPLIST 3042 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 3043 if (error) { 3044 fdrop(fp, td); 3045 return (error); 3046 } 3047 #endif 3048 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 3049 fdrop(fp, td); 3050 #ifdef COMPAT_LINUX_V4L_CLIPLIST 3051 linux_v4l_cliplist_free(&vwin); 3052 #endif 3053 return (error); 3054 3055 case LINUX_VIDIOCGFBUF: 3056 error = fget(td, args->fd, 3057 cap_rights_init(&rights, CAP_IOCTL), &fp); 3058 if (error != 0) 3059 return (error); 3060 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 3061 if (!error) { 3062 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 3063 error = copyout(&l_vbuf, (void *) args->arg, 3064 sizeof(l_vbuf)); 3065 } 3066 fdrop(fp, td); 3067 return (error); 3068 3069 case LINUX_VIDIOCSFBUF: 3070 error = fget(td, args->fd, 3071 cap_rights_init(&rights, CAP_IOCTL), &fp); 3072 if (error != 0) 3073 return (error); 3074 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 3075 if (error) { 3076 fdrop(fp, td); 3077 return (error); 3078 } 3079 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3080 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3081 fdrop(fp, td); 3082 return (error); 3083 3084 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3085 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3086 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3087 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3088 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3089 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3090 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3091 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3092 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3093 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3094 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3095 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3096 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3097 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3098 3099 case LINUX_VIDIOCSMICROCODE: 3100 error = fget(td, args->fd, 3101 cap_rights_init(&rights, CAP_IOCTL), &fp); 3102 if (error != 0) 3103 return (error); 3104 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3105 if (error) { 3106 fdrop(fp, td); 3107 return (error); 3108 } 3109 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3110 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3111 fdrop(fp, td); 3112 return (error); 3113 3114 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3115 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3116 default: return (ENOIOCTL); 3117 } 3118 3119 error = sys_ioctl(td, (struct ioctl_args *)args); 3120 return (error); 3121 } 3122 3123 /* 3124 * Special ioctl handler 3125 */ 3126 static int 3127 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3128 { 3129 int error; 3130 3131 switch (args->cmd) { 3132 case LINUX_SIOCGIFADDR: 3133 args->cmd = SIOCGIFADDR; 3134 error = sys_ioctl(td, (struct ioctl_args *)args); 3135 break; 3136 case LINUX_SIOCSIFADDR: 3137 args->cmd = SIOCSIFADDR; 3138 error = sys_ioctl(td, (struct ioctl_args *)args); 3139 break; 3140 case LINUX_SIOCGIFFLAGS: 3141 args->cmd = SIOCGIFFLAGS; 3142 error = sys_ioctl(td, (struct ioctl_args *)args); 3143 break; 3144 default: 3145 error = ENOIOCTL; 3146 } 3147 3148 return (error); 3149 } 3150 3151 static int 3152 linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3153 { 3154 vstd->index = lvstd->index; 3155 vstd->id = lvstd->id; 3156 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3157 return (0); 3158 } 3159 3160 static int 3161 bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3162 { 3163 lvstd->index = vstd->index; 3164 lvstd->id = vstd->id; 3165 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3166 return (0); 3167 } 3168 3169 static int 3170 linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3171 { 3172 vb->index = lvb->index; 3173 vb->type = lvb->type; 3174 vb->bytesused = lvb->bytesused; 3175 vb->flags = lvb->flags; 3176 vb->field = lvb->field; 3177 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3178 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3179 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3180 vb->sequence = lvb->sequence; 3181 vb->memory = lvb->memory; 3182 if (lvb->memory == V4L2_MEMORY_USERPTR) 3183 /* possible pointer size conversion */ 3184 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3185 else 3186 vb->m.offset = lvb->m.offset; 3187 vb->length = lvb->length; 3188 vb->input = lvb->input; 3189 vb->reserved = lvb->reserved; 3190 return (0); 3191 } 3192 3193 static int 3194 bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3195 { 3196 lvb->index = vb->index; 3197 lvb->type = vb->type; 3198 lvb->bytesused = vb->bytesused; 3199 lvb->flags = vb->flags; 3200 lvb->field = vb->field; 3201 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3202 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3203 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3204 lvb->sequence = vb->sequence; 3205 lvb->memory = vb->memory; 3206 if (vb->memory == V4L2_MEMORY_USERPTR) 3207 /* possible pointer size conversion */ 3208 lvb->m.userptr = PTROUT(vb->m.userptr); 3209 else 3210 lvb->m.offset = vb->m.offset; 3211 lvb->length = vb->length; 3212 lvb->input = vb->input; 3213 lvb->reserved = vb->reserved; 3214 return (0); 3215 } 3216 3217 static int 3218 linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3219 { 3220 vf->type = lvf->type; 3221 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3222 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3223 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3224 #endif 3225 ) 3226 /* 3227 * XXX TODO - needs 32 -> 64 bit conversion: 3228 * (unused by webcams?) 3229 */ 3230 return EINVAL; 3231 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3232 return 0; 3233 } 3234 3235 static int 3236 bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3237 { 3238 lvf->type = vf->type; 3239 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3240 #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3241 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3242 #endif 3243 ) 3244 /* 3245 * XXX TODO - needs 32 -> 64 bit conversion: 3246 * (unused by webcams?) 3247 */ 3248 return EINVAL; 3249 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3250 return 0; 3251 } 3252 static int 3253 linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3254 { 3255 cap_rights_t rights; 3256 struct file *fp; 3257 int error; 3258 struct v4l2_format vformat; 3259 struct l_v4l2_format l_vformat; 3260 struct v4l2_standard vstd; 3261 struct l_v4l2_standard l_vstd; 3262 struct l_v4l2_buffer l_vbuf; 3263 struct v4l2_buffer vbuf; 3264 struct v4l2_input vinp; 3265 3266 switch (args->cmd & 0xffff) { 3267 case LINUX_VIDIOC_RESERVED: 3268 case LINUX_VIDIOC_LOG_STATUS: 3269 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3270 return ENOIOCTL; 3271 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3272 break; 3273 3274 case LINUX_VIDIOC_OVERLAY: 3275 case LINUX_VIDIOC_STREAMON: 3276 case LINUX_VIDIOC_STREAMOFF: 3277 case LINUX_VIDIOC_S_STD: 3278 case LINUX_VIDIOC_S_TUNER: 3279 case LINUX_VIDIOC_S_AUDIO: 3280 case LINUX_VIDIOC_S_AUDOUT: 3281 case LINUX_VIDIOC_S_MODULATOR: 3282 case LINUX_VIDIOC_S_FREQUENCY: 3283 case LINUX_VIDIOC_S_CROP: 3284 case LINUX_VIDIOC_S_JPEGCOMP: 3285 case LINUX_VIDIOC_S_PRIORITY: 3286 case LINUX_VIDIOC_DBG_S_REGISTER: 3287 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3288 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3289 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3290 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3291 break; 3292 3293 case LINUX_VIDIOC_QUERYCAP: 3294 case LINUX_VIDIOC_G_STD: 3295 case LINUX_VIDIOC_G_AUDIO: 3296 case LINUX_VIDIOC_G_INPUT: 3297 case LINUX_VIDIOC_G_OUTPUT: 3298 case LINUX_VIDIOC_G_AUDOUT: 3299 case LINUX_VIDIOC_G_JPEGCOMP: 3300 case LINUX_VIDIOC_QUERYSTD: 3301 case LINUX_VIDIOC_G_PRIORITY: 3302 case LINUX_VIDIOC_QUERY_DV_PRESET: 3303 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3304 break; 3305 3306 case LINUX_VIDIOC_ENUM_FMT: 3307 case LINUX_VIDIOC_REQBUFS: 3308 case LINUX_VIDIOC_G_PARM: 3309 case LINUX_VIDIOC_S_PARM: 3310 case LINUX_VIDIOC_G_CTRL: 3311 case LINUX_VIDIOC_S_CTRL: 3312 case LINUX_VIDIOC_G_TUNER: 3313 case LINUX_VIDIOC_QUERYCTRL: 3314 case LINUX_VIDIOC_QUERYMENU: 3315 case LINUX_VIDIOC_S_INPUT: 3316 case LINUX_VIDIOC_S_OUTPUT: 3317 case LINUX_VIDIOC_ENUMOUTPUT: 3318 case LINUX_VIDIOC_G_MODULATOR: 3319 case LINUX_VIDIOC_G_FREQUENCY: 3320 case LINUX_VIDIOC_CROPCAP: 3321 case LINUX_VIDIOC_G_CROP: 3322 case LINUX_VIDIOC_ENUMAUDIO: 3323 case LINUX_VIDIOC_ENUMAUDOUT: 3324 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3325 #ifdef VIDIOC_ENUM_FRAMESIZES 3326 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3327 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3328 case LINUX_VIDIOC_ENCODER_CMD: 3329 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3330 #endif 3331 case LINUX_VIDIOC_DBG_G_REGISTER: 3332 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3333 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3334 case LINUX_VIDIOC_S_DV_PRESET: 3335 case LINUX_VIDIOC_G_DV_PRESET: 3336 case LINUX_VIDIOC_S_DV_TIMINGS: 3337 case LINUX_VIDIOC_G_DV_TIMINGS: 3338 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3339 break; 3340 3341 case LINUX_VIDIOC_G_FMT: 3342 case LINUX_VIDIOC_S_FMT: 3343 case LINUX_VIDIOC_TRY_FMT: 3344 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3345 if (error) 3346 return (error); 3347 error = fget(td, args->fd, 3348 cap_rights_init(&rights, CAP_IOCTL), &fp); 3349 if (error) 3350 return (error); 3351 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3352 error = EINVAL; 3353 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3354 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3355 td->td_ucred, td); 3356 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3357 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3358 td->td_ucred, td); 3359 else 3360 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3361 td->td_ucred, td); 3362 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3363 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3364 fdrop(fp, td); 3365 return (error); 3366 3367 case LINUX_VIDIOC_ENUMSTD: 3368 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3369 if (error) 3370 return (error); 3371 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3372 error = fget(td, args->fd, 3373 cap_rights_init(&rights, CAP_IOCTL), &fp); 3374 if (error) 3375 return (error); 3376 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3377 td->td_ucred, td); 3378 if (error) { 3379 fdrop(fp, td); 3380 return (error); 3381 } 3382 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3383 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3384 fdrop(fp, td); 3385 return (error); 3386 3387 case LINUX_VIDIOC_ENUMINPUT: 3388 /* 3389 * The Linux struct l_v4l2_input differs only in size, 3390 * it has no padding at the end. 3391 */ 3392 error = copyin((void *)args->arg, &vinp, 3393 sizeof(struct l_v4l2_input)); 3394 if (error != 0) 3395 return (error); 3396 error = fget(td, args->fd, 3397 cap_rights_init(&rights, CAP_IOCTL), &fp); 3398 if (error != 0) 3399 return (error); 3400 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3401 td->td_ucred, td); 3402 if (error) { 3403 fdrop(fp, td); 3404 return (error); 3405 } 3406 error = copyout(&vinp, (void *)args->arg, 3407 sizeof(struct l_v4l2_input)); 3408 fdrop(fp, td); 3409 return (error); 3410 3411 case LINUX_VIDIOC_QUERYBUF: 3412 case LINUX_VIDIOC_QBUF: 3413 case LINUX_VIDIOC_DQBUF: 3414 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3415 if (error) 3416 return (error); 3417 error = fget(td, args->fd, 3418 cap_rights_init(&rights, CAP_IOCTL), &fp); 3419 if (error) 3420 return (error); 3421 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3422 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3423 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3424 td->td_ucred, td); 3425 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3426 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3427 td->td_ucred, td); 3428 else 3429 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3430 td->td_ucred, td); 3431 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3432 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3433 fdrop(fp, td); 3434 return (error); 3435 3436 /* 3437 * XXX TODO - these need 32 -> 64 bit conversion: 3438 * (are any of them needed for webcams?) 3439 */ 3440 case LINUX_VIDIOC_G_FBUF: 3441 case LINUX_VIDIOC_S_FBUF: 3442 3443 case LINUX_VIDIOC_G_EXT_CTRLS: 3444 case LINUX_VIDIOC_S_EXT_CTRLS: 3445 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3446 3447 case LINUX_VIDIOC_DQEVENT: 3448 3449 default: return (ENOIOCTL); 3450 } 3451 3452 error = sys_ioctl(td, (struct ioctl_args *)args); 3453 return (error); 3454 } 3455 3456 /* 3457 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3458 * instead of USB* ones. This lets us to provide correct values for cmd. 3459 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3460 */ 3461 static int 3462 linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3463 { 3464 int error; 3465 3466 error = 0; 3467 switch (args->cmd) { 3468 case FBSD_LUSB_DEVICEENUMERATE: 3469 args->cmd = USB_DEVICEENUMERATE; 3470 break; 3471 case FBSD_LUSB_DEV_QUIRK_ADD: 3472 args->cmd = USB_DEV_QUIRK_ADD; 3473 break; 3474 case FBSD_LUSB_DEV_QUIRK_GET: 3475 args->cmd = USB_DEV_QUIRK_GET; 3476 break; 3477 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3478 args->cmd = USB_DEV_QUIRK_REMOVE; 3479 break; 3480 case FBSD_LUSB_DO_REQUEST: 3481 args->cmd = USB_DO_REQUEST; 3482 break; 3483 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3484 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3485 break; 3486 case FBSD_LUSB_FS_CLOSE: 3487 args->cmd = USB_FS_CLOSE; 3488 break; 3489 case FBSD_LUSB_FS_COMPLETE: 3490 args->cmd = USB_FS_COMPLETE; 3491 break; 3492 case FBSD_LUSB_FS_INIT: 3493 args->cmd = USB_FS_INIT; 3494 break; 3495 case FBSD_LUSB_FS_OPEN: 3496 args->cmd = USB_FS_OPEN; 3497 break; 3498 case FBSD_LUSB_FS_START: 3499 args->cmd = USB_FS_START; 3500 break; 3501 case FBSD_LUSB_FS_STOP: 3502 args->cmd = USB_FS_STOP; 3503 break; 3504 case FBSD_LUSB_FS_UNINIT: 3505 args->cmd = USB_FS_UNINIT; 3506 break; 3507 case FBSD_LUSB_GET_CONFIG: 3508 args->cmd = USB_GET_CONFIG; 3509 break; 3510 case FBSD_LUSB_GET_DEVICEINFO: 3511 args->cmd = USB_GET_DEVICEINFO; 3512 break; 3513 case FBSD_LUSB_GET_DEVICE_DESC: 3514 args->cmd = USB_GET_DEVICE_DESC; 3515 break; 3516 case FBSD_LUSB_GET_FULL_DESC: 3517 args->cmd = USB_GET_FULL_DESC; 3518 break; 3519 case FBSD_LUSB_GET_IFACE_DRIVER: 3520 args->cmd = USB_GET_IFACE_DRIVER; 3521 break; 3522 case FBSD_LUSB_GET_PLUGTIME: 3523 args->cmd = USB_GET_PLUGTIME; 3524 break; 3525 case FBSD_LUSB_GET_POWER_MODE: 3526 args->cmd = USB_GET_POWER_MODE; 3527 break; 3528 case FBSD_LUSB_GET_REPORT_DESC: 3529 args->cmd = USB_GET_REPORT_DESC; 3530 break; 3531 case FBSD_LUSB_GET_REPORT_ID: 3532 args->cmd = USB_GET_REPORT_ID; 3533 break; 3534 case FBSD_LUSB_GET_TEMPLATE: 3535 args->cmd = USB_GET_TEMPLATE; 3536 break; 3537 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3538 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3539 break; 3540 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3541 args->cmd = USB_IFACE_DRIVER_DETACH; 3542 break; 3543 case FBSD_LUSB_QUIRK_NAME_GET: 3544 args->cmd = USB_QUIRK_NAME_GET; 3545 break; 3546 case FBSD_LUSB_READ_DIR: 3547 args->cmd = USB_READ_DIR; 3548 break; 3549 case FBSD_LUSB_SET_ALTINTERFACE: 3550 args->cmd = USB_SET_ALTINTERFACE; 3551 break; 3552 case FBSD_LUSB_SET_CONFIG: 3553 args->cmd = USB_SET_CONFIG; 3554 break; 3555 case FBSD_LUSB_SET_IMMED: 3556 args->cmd = USB_SET_IMMED; 3557 break; 3558 case FBSD_LUSB_SET_POWER_MODE: 3559 args->cmd = USB_SET_POWER_MODE; 3560 break; 3561 case FBSD_LUSB_SET_TEMPLATE: 3562 args->cmd = USB_SET_TEMPLATE; 3563 break; 3564 case FBSD_LUSB_FS_OPEN_STREAM: 3565 args->cmd = USB_FS_OPEN_STREAM; 3566 break; 3567 case FBSD_LUSB_GET_DEV_PORT_PATH: 3568 args->cmd = USB_GET_DEV_PORT_PATH; 3569 break; 3570 case FBSD_LUSB_GET_POWER_USAGE: 3571 args->cmd = USB_GET_POWER_USAGE; 3572 break; 3573 default: 3574 error = ENOIOCTL; 3575 } 3576 if (error != ENOIOCTL) 3577 error = sys_ioctl(td, (struct ioctl_args *)args); 3578 return (error); 3579 } 3580 3581 /* 3582 * main ioctl syscall function 3583 */ 3584 3585 int 3586 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3587 { 3588 cap_rights_t rights; 3589 struct file *fp; 3590 struct handler_element *he; 3591 int error, cmd; 3592 3593 #ifdef DEBUG 3594 if (ldebug(ioctl)) 3595 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3596 (unsigned long)args->cmd); 3597 #endif 3598 3599 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 3600 if (error != 0) 3601 return (error); 3602 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3603 fdrop(fp, td); 3604 return (EBADF); 3605 } 3606 3607 /* Iterate over the ioctl handlers */ 3608 cmd = args->cmd & 0xffff; 3609 sx_slock(&linux_ioctl_sx); 3610 mtx_lock(&Giant); 3611 TAILQ_FOREACH(he, &handlers, list) { 3612 if (cmd >= he->low && cmd <= he->high) { 3613 error = (*he->func)(td, args); 3614 if (error != ENOIOCTL) { 3615 mtx_unlock(&Giant); 3616 sx_sunlock(&linux_ioctl_sx); 3617 fdrop(fp, td); 3618 return (error); 3619 } 3620 } 3621 } 3622 mtx_unlock(&Giant); 3623 sx_sunlock(&linux_ioctl_sx); 3624 fdrop(fp, td); 3625 3626 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3627 args->fd, (int)(args->cmd & 0xffff), 3628 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3629 3630 return (EINVAL); 3631 } 3632 3633 int 3634 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3635 { 3636 struct handler_element *he, *cur; 3637 3638 if (h == NULL || h->func == NULL) 3639 return (EINVAL); 3640 3641 /* 3642 * Reuse the element if the handler is already on the list, otherwise 3643 * create a new element. 3644 */ 3645 sx_xlock(&linux_ioctl_sx); 3646 TAILQ_FOREACH(he, &handlers, list) { 3647 if (he->func == h->func) 3648 break; 3649 } 3650 if (he == NULL) { 3651 he = malloc(sizeof(*he), 3652 M_LINUX, M_WAITOK); 3653 he->func = h->func; 3654 } else 3655 TAILQ_REMOVE(&handlers, he, list); 3656 3657 /* Initialize range information. */ 3658 he->low = h->low; 3659 he->high = h->high; 3660 he->span = h->high - h->low + 1; 3661 3662 /* Add the element to the list, sorted on span. */ 3663 TAILQ_FOREACH(cur, &handlers, list) { 3664 if (cur->span > he->span) { 3665 TAILQ_INSERT_BEFORE(cur, he, list); 3666 sx_xunlock(&linux_ioctl_sx); 3667 return (0); 3668 } 3669 } 3670 TAILQ_INSERT_TAIL(&handlers, he, list); 3671 sx_xunlock(&linux_ioctl_sx); 3672 3673 return (0); 3674 } 3675 3676 int 3677 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3678 { 3679 struct handler_element *he; 3680 3681 if (h == NULL || h->func == NULL) 3682 return (EINVAL); 3683 3684 sx_xlock(&linux_ioctl_sx); 3685 TAILQ_FOREACH(he, &handlers, list) { 3686 if (he->func == h->func) { 3687 TAILQ_REMOVE(&handlers, he, list); 3688 sx_xunlock(&linux_ioctl_sx); 3689 free(he, M_LINUX); 3690 return (0); 3691 } 3692 } 3693 sx_xunlock(&linux_ioctl_sx); 3694 3695 return (EINVAL); 3696 }
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