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/8.2/sys/compat/linux/linux_ioctl.c 210608 2010-07-29 14:23:58Z netchild $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/sysproto.h> 37 #include <sys/cdio.h> 38 #include <sys/dvdio.h> 39 #include <sys/conf.h> 40 #include <sys/disk.h> 41 #include <sys/consio.h> 42 #include <sys/ctype.h> 43 #include <sys/fcntl.h> 44 #include <sys/file.h> 45 #include <sys/filedesc.h> 46 #include <sys/filio.h> 47 #include <sys/jail.h> 48 #include <sys/kbio.h> 49 #include <sys/kernel.h> 50 #include <sys/linker_set.h> 51 #include <sys/lock.h> 52 #include <sys/malloc.h> 53 #include <sys/proc.h> 54 #include <sys/sbuf.h> 55 #include <sys/socket.h> 56 #include <sys/sockio.h> 57 #include <sys/soundcard.h> 58 #include <sys/stdint.h> 59 #include <sys/sx.h> 60 #include <sys/tty.h> 61 #include <sys/uio.h> 62 63 #include <net/if.h> 64 #include <net/if_dl.h> 65 #include <net/if_types.h> 66 #include <net/vnet.h> 67 68 #ifdef COMPAT_LINUX32 69 #include <machine/../linux32/linux.h> 70 #include <machine/../linux32/linux32_proto.h> 71 #else 72 #include <machine/../linux/linux.h> 73 #include <machine/../linux/linux_proto.h> 74 #endif 75 76 #include <compat/linux/linux_ioctl.h> 77 #include <compat/linux/linux_mib.h> 78 #include <compat/linux/linux_socket.h> 79 #include <compat/linux/linux_util.h> 80 81 #include <compat/linux/linux_videodev.h> 82 #include <compat/linux/linux_videodev_compat.h> 83 84 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 85 86 static linux_ioctl_function_t linux_ioctl_cdrom; 87 static linux_ioctl_function_t linux_ioctl_vfat; 88 static linux_ioctl_function_t linux_ioctl_console; 89 static linux_ioctl_function_t linux_ioctl_hdio; 90 static linux_ioctl_function_t linux_ioctl_disk; 91 static linux_ioctl_function_t linux_ioctl_socket; 92 static linux_ioctl_function_t linux_ioctl_sound; 93 static linux_ioctl_function_t linux_ioctl_termio; 94 static linux_ioctl_function_t linux_ioctl_private; 95 static linux_ioctl_function_t linux_ioctl_drm; 96 static linux_ioctl_function_t linux_ioctl_sg; 97 static linux_ioctl_function_t linux_ioctl_v4l; 98 static linux_ioctl_function_t linux_ioctl_special; 99 100 static struct linux_ioctl_handler cdrom_handler = 101 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 102 static struct linux_ioctl_handler vfat_handler = 103 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 104 static struct linux_ioctl_handler console_handler = 105 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 106 static struct linux_ioctl_handler hdio_handler = 107 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 108 static struct linux_ioctl_handler disk_handler = 109 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 110 static struct linux_ioctl_handler socket_handler = 111 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 112 static struct linux_ioctl_handler sound_handler = 113 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 114 static struct linux_ioctl_handler termio_handler = 115 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 116 static struct linux_ioctl_handler private_handler = 117 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 118 static struct linux_ioctl_handler drm_handler = 119 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 120 static struct linux_ioctl_handler sg_handler = 121 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 122 static struct linux_ioctl_handler video_handler = 123 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 124 125 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 126 DATA_SET(linux_ioctl_handler_set, vfat_handler); 127 DATA_SET(linux_ioctl_handler_set, console_handler); 128 DATA_SET(linux_ioctl_handler_set, hdio_handler); 129 DATA_SET(linux_ioctl_handler_set, disk_handler); 130 DATA_SET(linux_ioctl_handler_set, socket_handler); 131 DATA_SET(linux_ioctl_handler_set, sound_handler); 132 DATA_SET(linux_ioctl_handler_set, termio_handler); 133 DATA_SET(linux_ioctl_handler_set, private_handler); 134 DATA_SET(linux_ioctl_handler_set, drm_handler); 135 DATA_SET(linux_ioctl_handler_set, sg_handler); 136 DATA_SET(linux_ioctl_handler_set, video_handler); 137 138 struct handler_element 139 { 140 TAILQ_ENTRY(handler_element) list; 141 int (*func)(struct thread *, struct linux_ioctl_args *); 142 int low, high, span; 143 }; 144 145 static TAILQ_HEAD(, handler_element) handlers = 146 TAILQ_HEAD_INITIALIZER(handlers); 147 static struct sx linux_ioctl_sx; 148 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 149 150 /* 151 * hdio related ioctls for VMWare support 152 */ 153 154 struct linux_hd_geometry { 155 u_int8_t heads; 156 u_int8_t sectors; 157 u_int16_t cylinders; 158 u_int32_t start; 159 }; 160 161 struct linux_hd_big_geometry { 162 u_int8_t heads; 163 u_int8_t sectors; 164 u_int32_t cylinders; 165 u_int32_t start; 166 }; 167 168 static int 169 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 170 { 171 struct file *fp; 172 int error; 173 u_int sectorsize, fwcylinders, fwheads, fwsectors; 174 off_t mediasize, bytespercyl; 175 176 if ((error = fget(td, args->fd, &fp)) != 0) 177 return (error); 178 switch (args->cmd & 0xffff) { 179 case LINUX_HDIO_GET_GEO: 180 case LINUX_HDIO_GET_GEO_BIG: 181 error = fo_ioctl(fp, DIOCGMEDIASIZE, 182 (caddr_t)&mediasize, td->td_ucred, td); 183 if (!error) 184 error = fo_ioctl(fp, DIOCGSECTORSIZE, 185 (caddr_t)§orsize, td->td_ucred, td); 186 if (!error) 187 error = fo_ioctl(fp, DIOCGFWHEADS, 188 (caddr_t)&fwheads, td->td_ucred, td); 189 if (!error) 190 error = fo_ioctl(fp, DIOCGFWSECTORS, 191 (caddr_t)&fwsectors, td->td_ucred, td); 192 /* 193 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 194 * so pretend that GEOM always says 0. This is NOT VALID 195 * for slices or partitions, only the per-disk raw devices. 196 */ 197 198 fdrop(fp, td); 199 if (error) 200 return (error); 201 /* 202 * 1. Calculate the number of bytes in a cylinder, 203 * given the firmware's notion of heads and sectors 204 * per cylinder. 205 * 2. Calculate the number of cylinders, given the total 206 * size of the media. 207 * All internal calculations should have 64-bit precision. 208 */ 209 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 210 fwcylinders = mediasize / bytespercyl; 211 #if defined(DEBUG) 212 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 213 "bpc %jd", 214 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 215 (intmax_t)bytespercyl); 216 #endif 217 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 218 struct linux_hd_geometry hdg; 219 220 hdg.cylinders = fwcylinders; 221 hdg.heads = fwheads; 222 hdg.sectors = fwsectors; 223 hdg.start = 0; 224 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 225 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 226 struct linux_hd_big_geometry hdbg; 227 228 hdbg.cylinders = fwcylinders; 229 hdbg.heads = fwheads; 230 hdbg.sectors = fwsectors; 231 hdbg.start = 0; 232 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 233 } 234 return (error); 235 break; 236 default: 237 /* XXX */ 238 linux_msg(td, 239 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 240 args->fd, (int)(args->cmd & 0xffff), 241 (int)(args->cmd & 0xff00) >> 8, 242 (int)(args->cmd & 0xff)); 243 break; 244 } 245 fdrop(fp, td); 246 return (ENOIOCTL); 247 } 248 249 static int 250 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 251 { 252 struct file *fp; 253 int error; 254 u_int sectorsize; 255 off_t mediasize; 256 257 if ((error = fget(td, args->fd, &fp)) != 0) 258 return (error); 259 switch (args->cmd & 0xffff) { 260 case LINUX_BLKGETSIZE: 261 error = fo_ioctl(fp, DIOCGSECTORSIZE, 262 (caddr_t)§orsize, td->td_ucred, td); 263 if (!error) 264 error = fo_ioctl(fp, DIOCGMEDIASIZE, 265 (caddr_t)&mediasize, td->td_ucred, td); 266 fdrop(fp, td); 267 if (error) 268 return (error); 269 sectorsize = mediasize / sectorsize; 270 /* 271 * XXX: How do we know we return the right size of integer ? 272 */ 273 return (copyout(§orsize, (void *)args->arg, 274 sizeof(sectorsize))); 275 break; 276 } 277 fdrop(fp, td); 278 return (ENOIOCTL); 279 } 280 281 /* 282 * termio related ioctls 283 */ 284 285 struct linux_termio { 286 unsigned short c_iflag; 287 unsigned short c_oflag; 288 unsigned short c_cflag; 289 unsigned short c_lflag; 290 unsigned char c_line; 291 unsigned char c_cc[LINUX_NCC]; 292 }; 293 294 struct linux_termios { 295 unsigned int c_iflag; 296 unsigned int c_oflag; 297 unsigned int c_cflag; 298 unsigned int c_lflag; 299 unsigned char c_line; 300 unsigned char c_cc[LINUX_NCCS]; 301 }; 302 303 struct linux_winsize { 304 unsigned short ws_row, ws_col; 305 unsigned short ws_xpixel, ws_ypixel; 306 }; 307 308 struct speedtab { 309 int sp_speed; /* Speed. */ 310 int sp_code; /* Code. */ 311 }; 312 313 static struct speedtab sptab[] = { 314 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 315 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 316 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 317 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 318 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 319 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 320 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 321 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 322 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 323 {-1, -1 } 324 }; 325 326 struct linux_serial_struct { 327 int type; 328 int line; 329 int port; 330 int irq; 331 int flags; 332 int xmit_fifo_size; 333 int custom_divisor; 334 int baud_base; 335 unsigned short close_delay; 336 char reserved_char[2]; 337 int hub6; 338 unsigned short closing_wait; 339 unsigned short closing_wait2; 340 int reserved[4]; 341 }; 342 343 static int 344 linux_to_bsd_speed(int code, struct speedtab *table) 345 { 346 for ( ; table->sp_code != -1; table++) 347 if (table->sp_code == code) 348 return (table->sp_speed); 349 return -1; 350 } 351 352 static int 353 bsd_to_linux_speed(int speed, struct speedtab *table) 354 { 355 for ( ; table->sp_speed != -1; table++) 356 if (table->sp_speed == speed) 357 return (table->sp_code); 358 return -1; 359 } 360 361 static void 362 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 363 { 364 int i; 365 366 #ifdef DEBUG 367 if (ldebug(ioctl)) { 368 printf("LINUX: BSD termios structure (input):\n"); 369 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 370 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 371 bios->c_ispeed, bios->c_ospeed); 372 printf("c_cc "); 373 for (i=0; i<NCCS; i++) 374 printf("%02x ", bios->c_cc[i]); 375 printf("\n"); 376 } 377 #endif 378 379 lios->c_iflag = 0; 380 if (bios->c_iflag & IGNBRK) 381 lios->c_iflag |= LINUX_IGNBRK; 382 if (bios->c_iflag & BRKINT) 383 lios->c_iflag |= LINUX_BRKINT; 384 if (bios->c_iflag & IGNPAR) 385 lios->c_iflag |= LINUX_IGNPAR; 386 if (bios->c_iflag & PARMRK) 387 lios->c_iflag |= LINUX_PARMRK; 388 if (bios->c_iflag & INPCK) 389 lios->c_iflag |= LINUX_INPCK; 390 if (bios->c_iflag & ISTRIP) 391 lios->c_iflag |= LINUX_ISTRIP; 392 if (bios->c_iflag & INLCR) 393 lios->c_iflag |= LINUX_INLCR; 394 if (bios->c_iflag & IGNCR) 395 lios->c_iflag |= LINUX_IGNCR; 396 if (bios->c_iflag & ICRNL) 397 lios->c_iflag |= LINUX_ICRNL; 398 if (bios->c_iflag & IXON) 399 lios->c_iflag |= LINUX_IXON; 400 if (bios->c_iflag & IXANY) 401 lios->c_iflag |= LINUX_IXANY; 402 if (bios->c_iflag & IXOFF) 403 lios->c_iflag |= LINUX_IXOFF; 404 if (bios->c_iflag & IMAXBEL) 405 lios->c_iflag |= LINUX_IMAXBEL; 406 407 lios->c_oflag = 0; 408 if (bios->c_oflag & OPOST) 409 lios->c_oflag |= LINUX_OPOST; 410 if (bios->c_oflag & ONLCR) 411 lios->c_oflag |= LINUX_ONLCR; 412 if (bios->c_oflag & TAB3) 413 lios->c_oflag |= LINUX_XTABS; 414 415 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 416 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 417 if (bios->c_cflag & CSTOPB) 418 lios->c_cflag |= LINUX_CSTOPB; 419 if (bios->c_cflag & CREAD) 420 lios->c_cflag |= LINUX_CREAD; 421 if (bios->c_cflag & PARENB) 422 lios->c_cflag |= LINUX_PARENB; 423 if (bios->c_cflag & PARODD) 424 lios->c_cflag |= LINUX_PARODD; 425 if (bios->c_cflag & HUPCL) 426 lios->c_cflag |= LINUX_HUPCL; 427 if (bios->c_cflag & CLOCAL) 428 lios->c_cflag |= LINUX_CLOCAL; 429 if (bios->c_cflag & CRTSCTS) 430 lios->c_cflag |= LINUX_CRTSCTS; 431 432 lios->c_lflag = 0; 433 if (bios->c_lflag & ISIG) 434 lios->c_lflag |= LINUX_ISIG; 435 if (bios->c_lflag & ICANON) 436 lios->c_lflag |= LINUX_ICANON; 437 if (bios->c_lflag & ECHO) 438 lios->c_lflag |= LINUX_ECHO; 439 if (bios->c_lflag & ECHOE) 440 lios->c_lflag |= LINUX_ECHOE; 441 if (bios->c_lflag & ECHOK) 442 lios->c_lflag |= LINUX_ECHOK; 443 if (bios->c_lflag & ECHONL) 444 lios->c_lflag |= LINUX_ECHONL; 445 if (bios->c_lflag & NOFLSH) 446 lios->c_lflag |= LINUX_NOFLSH; 447 if (bios->c_lflag & TOSTOP) 448 lios->c_lflag |= LINUX_TOSTOP; 449 if (bios->c_lflag & ECHOCTL) 450 lios->c_lflag |= LINUX_ECHOCTL; 451 if (bios->c_lflag & ECHOPRT) 452 lios->c_lflag |= LINUX_ECHOPRT; 453 if (bios->c_lflag & ECHOKE) 454 lios->c_lflag |= LINUX_ECHOKE; 455 if (bios->c_lflag & FLUSHO) 456 lios->c_lflag |= LINUX_FLUSHO; 457 if (bios->c_lflag & PENDIN) 458 lios->c_lflag |= LINUX_PENDIN; 459 if (bios->c_lflag & IEXTEN) 460 lios->c_lflag |= LINUX_IEXTEN; 461 462 for (i=0; i<LINUX_NCCS; i++) 463 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 464 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 465 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 466 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 467 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 468 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 469 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 470 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 471 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 472 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 473 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 474 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 475 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 476 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 477 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 478 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 479 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 480 481 for (i=0; i<LINUX_NCCS; i++) { 482 if (i != LINUX_VMIN && i != LINUX_VTIME && 483 lios->c_cc[i] == _POSIX_VDISABLE) 484 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 485 } 486 lios->c_line = 0; 487 488 #ifdef DEBUG 489 if (ldebug(ioctl)) { 490 printf("LINUX: LINUX termios structure (output):\n"); 491 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 492 lios->c_iflag, lios->c_oflag, lios->c_cflag, 493 lios->c_lflag, (int)lios->c_line); 494 printf("c_cc "); 495 for (i=0; i<LINUX_NCCS; i++) 496 printf("%02x ", lios->c_cc[i]); 497 printf("\n"); 498 } 499 #endif 500 } 501 502 static void 503 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 504 { 505 int i; 506 507 #ifdef DEBUG 508 if (ldebug(ioctl)) { 509 printf("LINUX: LINUX termios structure (input):\n"); 510 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 511 lios->c_iflag, lios->c_oflag, lios->c_cflag, 512 lios->c_lflag, (int)lios->c_line); 513 printf("c_cc "); 514 for (i=0; i<LINUX_NCCS; i++) 515 printf("%02x ", lios->c_cc[i]); 516 printf("\n"); 517 } 518 #endif 519 520 bios->c_iflag = 0; 521 if (lios->c_iflag & LINUX_IGNBRK) 522 bios->c_iflag |= IGNBRK; 523 if (lios->c_iflag & LINUX_BRKINT) 524 bios->c_iflag |= BRKINT; 525 if (lios->c_iflag & LINUX_IGNPAR) 526 bios->c_iflag |= IGNPAR; 527 if (lios->c_iflag & LINUX_PARMRK) 528 bios->c_iflag |= PARMRK; 529 if (lios->c_iflag & LINUX_INPCK) 530 bios->c_iflag |= INPCK; 531 if (lios->c_iflag & LINUX_ISTRIP) 532 bios->c_iflag |= ISTRIP; 533 if (lios->c_iflag & LINUX_INLCR) 534 bios->c_iflag |= INLCR; 535 if (lios->c_iflag & LINUX_IGNCR) 536 bios->c_iflag |= IGNCR; 537 if (lios->c_iflag & LINUX_ICRNL) 538 bios->c_iflag |= ICRNL; 539 if (lios->c_iflag & LINUX_IXON) 540 bios->c_iflag |= IXON; 541 if (lios->c_iflag & LINUX_IXANY) 542 bios->c_iflag |= IXANY; 543 if (lios->c_iflag & LINUX_IXOFF) 544 bios->c_iflag |= IXOFF; 545 if (lios->c_iflag & LINUX_IMAXBEL) 546 bios->c_iflag |= IMAXBEL; 547 548 bios->c_oflag = 0; 549 if (lios->c_oflag & LINUX_OPOST) 550 bios->c_oflag |= OPOST; 551 if (lios->c_oflag & LINUX_ONLCR) 552 bios->c_oflag |= ONLCR; 553 if (lios->c_oflag & LINUX_XTABS) 554 bios->c_oflag |= TAB3; 555 556 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 557 if (lios->c_cflag & LINUX_CSTOPB) 558 bios->c_cflag |= CSTOPB; 559 if (lios->c_cflag & LINUX_CREAD) 560 bios->c_cflag |= CREAD; 561 if (lios->c_cflag & LINUX_PARENB) 562 bios->c_cflag |= PARENB; 563 if (lios->c_cflag & LINUX_PARODD) 564 bios->c_cflag |= PARODD; 565 if (lios->c_cflag & LINUX_HUPCL) 566 bios->c_cflag |= HUPCL; 567 if (lios->c_cflag & LINUX_CLOCAL) 568 bios->c_cflag |= CLOCAL; 569 if (lios->c_cflag & LINUX_CRTSCTS) 570 bios->c_cflag |= CRTSCTS; 571 572 bios->c_lflag = 0; 573 if (lios->c_lflag & LINUX_ISIG) 574 bios->c_lflag |= ISIG; 575 if (lios->c_lflag & LINUX_ICANON) 576 bios->c_lflag |= ICANON; 577 if (lios->c_lflag & LINUX_ECHO) 578 bios->c_lflag |= ECHO; 579 if (lios->c_lflag & LINUX_ECHOE) 580 bios->c_lflag |= ECHOE; 581 if (lios->c_lflag & LINUX_ECHOK) 582 bios->c_lflag |= ECHOK; 583 if (lios->c_lflag & LINUX_ECHONL) 584 bios->c_lflag |= ECHONL; 585 if (lios->c_lflag & LINUX_NOFLSH) 586 bios->c_lflag |= NOFLSH; 587 if (lios->c_lflag & LINUX_TOSTOP) 588 bios->c_lflag |= TOSTOP; 589 if (lios->c_lflag & LINUX_ECHOCTL) 590 bios->c_lflag |= ECHOCTL; 591 if (lios->c_lflag & LINUX_ECHOPRT) 592 bios->c_lflag |= ECHOPRT; 593 if (lios->c_lflag & LINUX_ECHOKE) 594 bios->c_lflag |= ECHOKE; 595 if (lios->c_lflag & LINUX_FLUSHO) 596 bios->c_lflag |= FLUSHO; 597 if (lios->c_lflag & LINUX_PENDIN) 598 bios->c_lflag |= PENDIN; 599 if (lios->c_lflag & LINUX_IEXTEN) 600 bios->c_lflag |= IEXTEN; 601 602 for (i=0; i<NCCS; i++) 603 bios->c_cc[i] = _POSIX_VDISABLE; 604 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 605 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 606 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 607 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 608 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 609 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 610 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 611 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 612 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 613 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 614 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 615 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 616 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 617 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 618 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 619 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 620 621 for (i=0; i<NCCS; i++) { 622 if (i != VMIN && i != VTIME && 623 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 624 bios->c_cc[i] = _POSIX_VDISABLE; 625 } 626 627 bios->c_ispeed = bios->c_ospeed = 628 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 629 630 #ifdef DEBUG 631 if (ldebug(ioctl)) { 632 printf("LINUX: BSD termios structure (output):\n"); 633 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 634 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 635 bios->c_ispeed, bios->c_ospeed); 636 printf("c_cc "); 637 for (i=0; i<NCCS; i++) 638 printf("%02x ", bios->c_cc[i]); 639 printf("\n"); 640 } 641 #endif 642 } 643 644 static void 645 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 646 { 647 struct linux_termios lios; 648 649 bsd_to_linux_termios(bios, &lios); 650 lio->c_iflag = lios.c_iflag; 651 lio->c_oflag = lios.c_oflag; 652 lio->c_cflag = lios.c_cflag; 653 lio->c_lflag = lios.c_lflag; 654 lio->c_line = lios.c_line; 655 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 656 } 657 658 static void 659 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 660 { 661 struct linux_termios lios; 662 int i; 663 664 lios.c_iflag = lio->c_iflag; 665 lios.c_oflag = lio->c_oflag; 666 lios.c_cflag = lio->c_cflag; 667 lios.c_lflag = lio->c_lflag; 668 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 669 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 670 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 671 linux_to_bsd_termios(&lios, bios); 672 } 673 674 static int 675 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 676 { 677 struct termios bios; 678 struct linux_termios lios; 679 struct linux_termio lio; 680 struct file *fp; 681 int error; 682 683 if ((error = fget(td, args->fd, &fp)) != 0) 684 return (error); 685 686 switch (args->cmd & 0xffff) { 687 688 case LINUX_TCGETS: 689 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 690 td); 691 if (error) 692 break; 693 bsd_to_linux_termios(&bios, &lios); 694 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 695 break; 696 697 case LINUX_TCSETS: 698 error = copyin((void *)args->arg, &lios, sizeof(lios)); 699 if (error) 700 break; 701 linux_to_bsd_termios(&lios, &bios); 702 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 703 td)); 704 break; 705 706 case LINUX_TCSETSW: 707 error = copyin((void *)args->arg, &lios, sizeof(lios)); 708 if (error) 709 break; 710 linux_to_bsd_termios(&lios, &bios); 711 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 712 td)); 713 break; 714 715 case LINUX_TCSETSF: 716 error = copyin((void *)args->arg, &lios, sizeof(lios)); 717 if (error) 718 break; 719 linux_to_bsd_termios(&lios, &bios); 720 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 721 td)); 722 break; 723 724 case LINUX_TCGETA: 725 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 726 td); 727 if (error) 728 break; 729 bsd_to_linux_termio(&bios, &lio); 730 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 731 break; 732 733 case LINUX_TCSETA: 734 error = copyin((void *)args->arg, &lio, sizeof(lio)); 735 if (error) 736 break; 737 linux_to_bsd_termio(&lio, &bios); 738 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 739 td)); 740 break; 741 742 case LINUX_TCSETAW: 743 error = copyin((void *)args->arg, &lio, sizeof(lio)); 744 if (error) 745 break; 746 linux_to_bsd_termio(&lio, &bios); 747 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 748 td)); 749 break; 750 751 case LINUX_TCSETAF: 752 error = copyin((void *)args->arg, &lio, sizeof(lio)); 753 if (error) 754 break; 755 linux_to_bsd_termio(&lio, &bios); 756 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 757 td)); 758 break; 759 760 /* LINUX_TCSBRK */ 761 762 case LINUX_TCXONC: { 763 switch (args->arg) { 764 case LINUX_TCOOFF: 765 args->cmd = TIOCSTOP; 766 break; 767 case LINUX_TCOON: 768 args->cmd = TIOCSTART; 769 break; 770 case LINUX_TCIOFF: 771 case LINUX_TCION: { 772 int c; 773 struct write_args wr; 774 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 775 td->td_ucred, td); 776 if (error) 777 break; 778 fdrop(fp, td); 779 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 780 c = bios.c_cc[c]; 781 if (c != _POSIX_VDISABLE) { 782 wr.fd = args->fd; 783 wr.buf = &c; 784 wr.nbyte = sizeof(c); 785 return (write(td, &wr)); 786 } else 787 return (0); 788 } 789 default: 790 fdrop(fp, td); 791 return (EINVAL); 792 } 793 args->arg = 0; 794 error = (ioctl(td, (struct ioctl_args *)args)); 795 break; 796 } 797 798 case LINUX_TCFLSH: { 799 int val; 800 switch (args->arg) { 801 case LINUX_TCIFLUSH: 802 val = FREAD; 803 break; 804 case LINUX_TCOFLUSH: 805 val = FWRITE; 806 break; 807 case LINUX_TCIOFLUSH: 808 val = FREAD | FWRITE; 809 break; 810 default: 811 fdrop(fp, td); 812 return (EINVAL); 813 } 814 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 815 break; 816 } 817 818 case LINUX_TIOCEXCL: 819 args->cmd = TIOCEXCL; 820 error = (ioctl(td, (struct ioctl_args *)args)); 821 break; 822 823 case LINUX_TIOCNXCL: 824 args->cmd = TIOCNXCL; 825 error = (ioctl(td, (struct ioctl_args *)args)); 826 break; 827 828 case LINUX_TIOCSCTTY: 829 args->cmd = TIOCSCTTY; 830 error = (ioctl(td, (struct ioctl_args *)args)); 831 break; 832 833 case LINUX_TIOCGPGRP: 834 args->cmd = TIOCGPGRP; 835 error = (ioctl(td, (struct ioctl_args *)args)); 836 break; 837 838 case LINUX_TIOCSPGRP: 839 args->cmd = TIOCSPGRP; 840 error = (ioctl(td, (struct ioctl_args *)args)); 841 break; 842 843 /* LINUX_TIOCOUTQ */ 844 /* LINUX_TIOCSTI */ 845 846 case LINUX_TIOCGWINSZ: 847 args->cmd = TIOCGWINSZ; 848 error = (ioctl(td, (struct ioctl_args *)args)); 849 break; 850 851 case LINUX_TIOCSWINSZ: 852 args->cmd = TIOCSWINSZ; 853 error = (ioctl(td, (struct ioctl_args *)args)); 854 break; 855 856 case LINUX_TIOCMGET: 857 args->cmd = TIOCMGET; 858 error = (ioctl(td, (struct ioctl_args *)args)); 859 break; 860 861 case LINUX_TIOCMBIS: 862 args->cmd = TIOCMBIS; 863 error = (ioctl(td, (struct ioctl_args *)args)); 864 break; 865 866 case LINUX_TIOCMBIC: 867 args->cmd = TIOCMBIC; 868 error = (ioctl(td, (struct ioctl_args *)args)); 869 break; 870 871 case LINUX_TIOCMSET: 872 args->cmd = TIOCMSET; 873 error = (ioctl(td, (struct ioctl_args *)args)); 874 break; 875 876 /* TIOCGSOFTCAR */ 877 /* TIOCSSOFTCAR */ 878 879 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 880 args->cmd = FIONREAD; 881 error = (ioctl(td, (struct ioctl_args *)args)); 882 break; 883 884 /* LINUX_TIOCLINUX */ 885 886 case LINUX_TIOCCONS: 887 args->cmd = TIOCCONS; 888 error = (ioctl(td, (struct ioctl_args *)args)); 889 break; 890 891 case LINUX_TIOCGSERIAL: { 892 struct linux_serial_struct lss; 893 lss.type = LINUX_PORT_16550A; 894 lss.flags = 0; 895 lss.close_delay = 0; 896 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 897 break; 898 } 899 900 case LINUX_TIOCSSERIAL: { 901 struct linux_serial_struct lss; 902 error = copyin((void *)args->arg, &lss, sizeof(lss)); 903 if (error) 904 break; 905 /* XXX - It really helps to have an implementation that 906 * does nothing. NOT! 907 */ 908 error = 0; 909 break; 910 } 911 912 case LINUX_TIOCPKT: 913 args->cmd = TIOCPKT; 914 error = (ioctl(td, (struct ioctl_args *)args)); 915 break; 916 917 case LINUX_FIONBIO: 918 args->cmd = FIONBIO; 919 error = (ioctl(td, (struct ioctl_args *)args)); 920 break; 921 922 case LINUX_TIOCNOTTY: 923 args->cmd = TIOCNOTTY; 924 error = (ioctl(td, (struct ioctl_args *)args)); 925 break; 926 927 case LINUX_TIOCSETD: { 928 int line; 929 switch (args->arg) { 930 case LINUX_N_TTY: 931 line = TTYDISC; 932 break; 933 case LINUX_N_SLIP: 934 line = SLIPDISC; 935 break; 936 case LINUX_N_PPP: 937 line = PPPDISC; 938 break; 939 default: 940 fdrop(fp, td); 941 return (EINVAL); 942 } 943 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 944 td)); 945 break; 946 } 947 948 case LINUX_TIOCGETD: { 949 int linux_line; 950 int bsd_line = TTYDISC; 951 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 952 td->td_ucred, td); 953 if (error) 954 return (error); 955 switch (bsd_line) { 956 case TTYDISC: 957 linux_line = LINUX_N_TTY; 958 break; 959 case SLIPDISC: 960 linux_line = LINUX_N_SLIP; 961 break; 962 case PPPDISC: 963 linux_line = LINUX_N_PPP; 964 break; 965 default: 966 fdrop(fp, td); 967 return (EINVAL); 968 } 969 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 970 break; 971 } 972 973 /* LINUX_TCSBRKP */ 974 /* LINUX_TIOCTTYGSTRUCT */ 975 976 case LINUX_FIONCLEX: 977 args->cmd = FIONCLEX; 978 error = (ioctl(td, (struct ioctl_args *)args)); 979 break; 980 981 case LINUX_FIOCLEX: 982 args->cmd = FIOCLEX; 983 error = (ioctl(td, (struct ioctl_args *)args)); 984 break; 985 986 case LINUX_FIOASYNC: 987 args->cmd = FIOASYNC; 988 error = (ioctl(td, (struct ioctl_args *)args)); 989 break; 990 991 /* LINUX_TIOCSERCONFIG */ 992 /* LINUX_TIOCSERGWILD */ 993 /* LINUX_TIOCSERSWILD */ 994 /* LINUX_TIOCGLCKTRMIOS */ 995 /* LINUX_TIOCSLCKTRMIOS */ 996 997 case LINUX_TIOCSBRK: 998 args->cmd = TIOCSBRK; 999 error = (ioctl(td, (struct ioctl_args *)args)); 1000 break; 1001 1002 case LINUX_TIOCCBRK: 1003 args->cmd = TIOCCBRK; 1004 error = (ioctl(td, (struct ioctl_args *)args)); 1005 break; 1006 case LINUX_TIOCGPTN: { 1007 int nb; 1008 1009 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1010 if (!error) 1011 error = copyout(&nb, (void *)args->arg, 1012 sizeof(int)); 1013 break; 1014 } 1015 case LINUX_TIOCSPTLCK: 1016 /* Our unlockpt() does nothing. */ 1017 error = 0; 1018 break; 1019 default: 1020 error = ENOIOCTL; 1021 break; 1022 } 1023 1024 fdrop(fp, td); 1025 return (error); 1026 } 1027 1028 /* 1029 * CDROM related ioctls 1030 */ 1031 1032 struct linux_cdrom_msf 1033 { 1034 u_char cdmsf_min0; 1035 u_char cdmsf_sec0; 1036 u_char cdmsf_frame0; 1037 u_char cdmsf_min1; 1038 u_char cdmsf_sec1; 1039 u_char cdmsf_frame1; 1040 }; 1041 1042 struct linux_cdrom_tochdr 1043 { 1044 u_char cdth_trk0; 1045 u_char cdth_trk1; 1046 }; 1047 1048 union linux_cdrom_addr 1049 { 1050 struct { 1051 u_char minute; 1052 u_char second; 1053 u_char frame; 1054 } msf; 1055 int lba; 1056 }; 1057 1058 struct linux_cdrom_tocentry 1059 { 1060 u_char cdte_track; 1061 u_char cdte_adr:4; 1062 u_char cdte_ctrl:4; 1063 u_char cdte_format; 1064 union linux_cdrom_addr cdte_addr; 1065 u_char cdte_datamode; 1066 }; 1067 1068 struct linux_cdrom_subchnl 1069 { 1070 u_char cdsc_format; 1071 u_char cdsc_audiostatus; 1072 u_char cdsc_adr:4; 1073 u_char cdsc_ctrl:4; 1074 u_char cdsc_trk; 1075 u_char cdsc_ind; 1076 union linux_cdrom_addr cdsc_absaddr; 1077 union linux_cdrom_addr cdsc_reladdr; 1078 }; 1079 1080 struct l_cdrom_read_audio { 1081 union linux_cdrom_addr addr; 1082 u_char addr_format; 1083 l_int nframes; 1084 u_char *buf; 1085 }; 1086 1087 struct l_dvd_layer { 1088 u_char book_version:4; 1089 u_char book_type:4; 1090 u_char min_rate:4; 1091 u_char disc_size:4; 1092 u_char layer_type:4; 1093 u_char track_path:1; 1094 u_char nlayers:2; 1095 u_char track_density:4; 1096 u_char linear_density:4; 1097 u_char bca:1; 1098 u_int32_t start_sector; 1099 u_int32_t end_sector; 1100 u_int32_t end_sector_l0; 1101 }; 1102 1103 struct l_dvd_physical { 1104 u_char type; 1105 u_char layer_num; 1106 struct l_dvd_layer layer[4]; 1107 }; 1108 1109 struct l_dvd_copyright { 1110 u_char type; 1111 u_char layer_num; 1112 u_char cpst; 1113 u_char rmi; 1114 }; 1115 1116 struct l_dvd_disckey { 1117 u_char type; 1118 l_uint agid:2; 1119 u_char value[2048]; 1120 }; 1121 1122 struct l_dvd_bca { 1123 u_char type; 1124 l_int len; 1125 u_char value[188]; 1126 }; 1127 1128 struct l_dvd_manufact { 1129 u_char type; 1130 u_char layer_num; 1131 l_int len; 1132 u_char value[2048]; 1133 }; 1134 1135 typedef union { 1136 u_char type; 1137 struct l_dvd_physical physical; 1138 struct l_dvd_copyright copyright; 1139 struct l_dvd_disckey disckey; 1140 struct l_dvd_bca bca; 1141 struct l_dvd_manufact manufact; 1142 } l_dvd_struct; 1143 1144 typedef u_char l_dvd_key[5]; 1145 typedef u_char l_dvd_challenge[10]; 1146 1147 struct l_dvd_lu_send_agid { 1148 u_char type; 1149 l_uint agid:2; 1150 }; 1151 1152 struct l_dvd_host_send_challenge { 1153 u_char type; 1154 l_uint agid:2; 1155 l_dvd_challenge chal; 1156 }; 1157 1158 struct l_dvd_send_key { 1159 u_char type; 1160 l_uint agid:2; 1161 l_dvd_key key; 1162 }; 1163 1164 struct l_dvd_lu_send_challenge { 1165 u_char type; 1166 l_uint agid:2; 1167 l_dvd_challenge chal; 1168 }; 1169 1170 struct l_dvd_lu_send_title_key { 1171 u_char type; 1172 l_uint agid:2; 1173 l_dvd_key title_key; 1174 l_int lba; 1175 l_uint cpm:1; 1176 l_uint cp_sec:1; 1177 l_uint cgms:2; 1178 }; 1179 1180 struct l_dvd_lu_send_asf { 1181 u_char type; 1182 l_uint agid:2; 1183 l_uint asf:1; 1184 }; 1185 1186 struct l_dvd_host_send_rpcstate { 1187 u_char type; 1188 u_char pdrc; 1189 }; 1190 1191 struct l_dvd_lu_send_rpcstate { 1192 u_char type:2; 1193 u_char vra:3; 1194 u_char ucca:3; 1195 u_char region_mask; 1196 u_char rpc_scheme; 1197 }; 1198 1199 typedef union { 1200 u_char type; 1201 struct l_dvd_lu_send_agid lsa; 1202 struct l_dvd_host_send_challenge hsc; 1203 struct l_dvd_send_key lsk; 1204 struct l_dvd_lu_send_challenge lsc; 1205 struct l_dvd_send_key hsk; 1206 struct l_dvd_lu_send_title_key lstk; 1207 struct l_dvd_lu_send_asf lsasf; 1208 struct l_dvd_host_send_rpcstate hrpcs; 1209 struct l_dvd_lu_send_rpcstate lrpcs; 1210 } l_dvd_authinfo; 1211 1212 static void 1213 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1214 { 1215 if (af == CD_LBA_FORMAT) 1216 lp->lba = bp->lba; 1217 else { 1218 lp->msf.minute = bp->msf.minute; 1219 lp->msf.second = bp->msf.second; 1220 lp->msf.frame = bp->msf.frame; 1221 } 1222 } 1223 1224 static void 1225 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1226 { 1227 if (format == LINUX_CDROM_MSF) { 1228 addr->msf.frame = lba % 75; 1229 lba /= 75; 1230 lba += 2; 1231 addr->msf.second = lba % 60; 1232 addr->msf.minute = lba / 60; 1233 } else 1234 addr->lba = lba; 1235 } 1236 1237 static int 1238 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1239 { 1240 bp->format = lp->type; 1241 switch (bp->format) { 1242 case DVD_STRUCT_PHYSICAL: 1243 if (bp->layer_num >= 4) 1244 return (EINVAL); 1245 bp->layer_num = lp->physical.layer_num; 1246 break; 1247 case DVD_STRUCT_COPYRIGHT: 1248 bp->layer_num = lp->copyright.layer_num; 1249 break; 1250 case DVD_STRUCT_DISCKEY: 1251 bp->agid = lp->disckey.agid; 1252 break; 1253 case DVD_STRUCT_BCA: 1254 case DVD_STRUCT_MANUFACT: 1255 break; 1256 default: 1257 return (EINVAL); 1258 } 1259 return (0); 1260 } 1261 1262 static int 1263 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1264 { 1265 switch (bp->format) { 1266 case DVD_STRUCT_PHYSICAL: { 1267 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1268 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1269 memset(llp, 0, sizeof(*llp)); 1270 llp->book_version = blp->book_version; 1271 llp->book_type = blp->book_type; 1272 llp->min_rate = blp->max_rate; 1273 llp->disc_size = blp->disc_size; 1274 llp->layer_type = blp->layer_type; 1275 llp->track_path = blp->track_path; 1276 llp->nlayers = blp->nlayers; 1277 llp->track_density = blp->track_density; 1278 llp->linear_density = blp->linear_density; 1279 llp->bca = blp->bca; 1280 llp->start_sector = blp->start_sector; 1281 llp->end_sector = blp->end_sector; 1282 llp->end_sector_l0 = blp->end_sector_l0; 1283 break; 1284 } 1285 case DVD_STRUCT_COPYRIGHT: 1286 lp->copyright.cpst = bp->cpst; 1287 lp->copyright.rmi = bp->rmi; 1288 break; 1289 case DVD_STRUCT_DISCKEY: 1290 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1291 break; 1292 case DVD_STRUCT_BCA: 1293 lp->bca.len = bp->length; 1294 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1295 break; 1296 case DVD_STRUCT_MANUFACT: 1297 lp->manufact.len = bp->length; 1298 memcpy(lp->manufact.value, bp->data, 1299 sizeof(lp->manufact.value)); 1300 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1301 break; 1302 default: 1303 return (EINVAL); 1304 } 1305 return (0); 1306 } 1307 1308 static int 1309 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1310 struct dvd_authinfo *bp) 1311 { 1312 switch (lp->type) { 1313 case LINUX_DVD_LU_SEND_AGID: 1314 *bcode = DVDIOCREPORTKEY; 1315 bp->format = DVD_REPORT_AGID; 1316 bp->agid = lp->lsa.agid; 1317 break; 1318 case LINUX_DVD_HOST_SEND_CHALLENGE: 1319 *bcode = DVDIOCSENDKEY; 1320 bp->format = DVD_SEND_CHALLENGE; 1321 bp->agid = lp->hsc.agid; 1322 memcpy(bp->keychal, lp->hsc.chal, 10); 1323 break; 1324 case LINUX_DVD_LU_SEND_KEY1: 1325 *bcode = DVDIOCREPORTKEY; 1326 bp->format = DVD_REPORT_KEY1; 1327 bp->agid = lp->lsk.agid; 1328 break; 1329 case LINUX_DVD_LU_SEND_CHALLENGE: 1330 *bcode = DVDIOCREPORTKEY; 1331 bp->format = DVD_REPORT_CHALLENGE; 1332 bp->agid = lp->lsc.agid; 1333 break; 1334 case LINUX_DVD_HOST_SEND_KEY2: 1335 *bcode = DVDIOCSENDKEY; 1336 bp->format = DVD_SEND_KEY2; 1337 bp->agid = lp->hsk.agid; 1338 memcpy(bp->keychal, lp->hsk.key, 5); 1339 break; 1340 case LINUX_DVD_LU_SEND_TITLE_KEY: 1341 *bcode = DVDIOCREPORTKEY; 1342 bp->format = DVD_REPORT_TITLE_KEY; 1343 bp->agid = lp->lstk.agid; 1344 bp->lba = lp->lstk.lba; 1345 break; 1346 case LINUX_DVD_LU_SEND_ASF: 1347 *bcode = DVDIOCREPORTKEY; 1348 bp->format = DVD_REPORT_ASF; 1349 bp->agid = lp->lsasf.agid; 1350 break; 1351 case LINUX_DVD_INVALIDATE_AGID: 1352 *bcode = DVDIOCREPORTKEY; 1353 bp->format = DVD_INVALIDATE_AGID; 1354 bp->agid = lp->lsa.agid; 1355 break; 1356 case LINUX_DVD_LU_SEND_RPC_STATE: 1357 *bcode = DVDIOCREPORTKEY; 1358 bp->format = DVD_REPORT_RPC; 1359 break; 1360 case LINUX_DVD_HOST_SEND_RPC_STATE: 1361 *bcode = DVDIOCSENDKEY; 1362 bp->format = DVD_SEND_RPC; 1363 bp->region = lp->hrpcs.pdrc; 1364 break; 1365 default: 1366 return (EINVAL); 1367 } 1368 return (0); 1369 } 1370 1371 static int 1372 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1373 { 1374 switch (lp->type) { 1375 case LINUX_DVD_LU_SEND_AGID: 1376 lp->lsa.agid = bp->agid; 1377 break; 1378 case LINUX_DVD_HOST_SEND_CHALLENGE: 1379 lp->type = LINUX_DVD_LU_SEND_KEY1; 1380 break; 1381 case LINUX_DVD_LU_SEND_KEY1: 1382 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1383 break; 1384 case LINUX_DVD_LU_SEND_CHALLENGE: 1385 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1386 break; 1387 case LINUX_DVD_HOST_SEND_KEY2: 1388 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1389 break; 1390 case LINUX_DVD_LU_SEND_TITLE_KEY: 1391 memcpy(lp->lstk.title_key, bp->keychal, 1392 sizeof(lp->lstk.title_key)); 1393 lp->lstk.cpm = bp->cpm; 1394 lp->lstk.cp_sec = bp->cp_sec; 1395 lp->lstk.cgms = bp->cgms; 1396 break; 1397 case LINUX_DVD_LU_SEND_ASF: 1398 lp->lsasf.asf = bp->asf; 1399 break; 1400 case LINUX_DVD_INVALIDATE_AGID: 1401 break; 1402 case LINUX_DVD_LU_SEND_RPC_STATE: 1403 lp->lrpcs.type = bp->reg_type; 1404 lp->lrpcs.vra = bp->vend_rsts; 1405 lp->lrpcs.ucca = bp->user_rsts; 1406 lp->lrpcs.region_mask = bp->region; 1407 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1408 break; 1409 case LINUX_DVD_HOST_SEND_RPC_STATE: 1410 break; 1411 default: 1412 return (EINVAL); 1413 } 1414 return (0); 1415 } 1416 1417 static int 1418 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1419 { 1420 struct file *fp; 1421 int error; 1422 1423 if ((error = fget(td, args->fd, &fp)) != 0) 1424 return (error); 1425 switch (args->cmd & 0xffff) { 1426 1427 case LINUX_CDROMPAUSE: 1428 args->cmd = CDIOCPAUSE; 1429 error = (ioctl(td, (struct ioctl_args *)args)); 1430 break; 1431 1432 case LINUX_CDROMRESUME: 1433 args->cmd = CDIOCRESUME; 1434 error = (ioctl(td, (struct ioctl_args *)args)); 1435 break; 1436 1437 case LINUX_CDROMPLAYMSF: 1438 args->cmd = CDIOCPLAYMSF; 1439 error = (ioctl(td, (struct ioctl_args *)args)); 1440 break; 1441 1442 case LINUX_CDROMPLAYTRKIND: 1443 args->cmd = CDIOCPLAYTRACKS; 1444 error = (ioctl(td, (struct ioctl_args *)args)); 1445 break; 1446 1447 case LINUX_CDROMREADTOCHDR: { 1448 struct ioc_toc_header th; 1449 struct linux_cdrom_tochdr lth; 1450 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1451 td->td_ucred, td); 1452 if (!error) { 1453 lth.cdth_trk0 = th.starting_track; 1454 lth.cdth_trk1 = th.ending_track; 1455 copyout(<h, (void *)args->arg, sizeof(lth)); 1456 } 1457 break; 1458 } 1459 1460 case LINUX_CDROMREADTOCENTRY: { 1461 struct linux_cdrom_tocentry lte; 1462 struct ioc_read_toc_single_entry irtse; 1463 1464 error = copyin((void *)args->arg, <e, sizeof(lte)); 1465 if (error) 1466 break; 1467 irtse.address_format = lte.cdte_format; 1468 irtse.track = lte.cdte_track; 1469 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1470 td->td_ucred, td); 1471 if (!error) { 1472 lte.cdte_ctrl = irtse.entry.control; 1473 lte.cdte_adr = irtse.entry.addr_type; 1474 bsd_to_linux_msf_lba(irtse.address_format, 1475 &irtse.entry.addr, <e.cdte_addr); 1476 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1477 } 1478 break; 1479 } 1480 1481 case LINUX_CDROMSTOP: 1482 args->cmd = CDIOCSTOP; 1483 error = (ioctl(td, (struct ioctl_args *)args)); 1484 break; 1485 1486 case LINUX_CDROMSTART: 1487 args->cmd = CDIOCSTART; 1488 error = (ioctl(td, (struct ioctl_args *)args)); 1489 break; 1490 1491 case LINUX_CDROMEJECT: 1492 args->cmd = CDIOCEJECT; 1493 error = (ioctl(td, (struct ioctl_args *)args)); 1494 break; 1495 1496 /* LINUX_CDROMVOLCTRL */ 1497 1498 case LINUX_CDROMSUBCHNL: { 1499 struct linux_cdrom_subchnl sc; 1500 struct ioc_read_subchannel bsdsc; 1501 struct cd_sub_channel_info bsdinfo; 1502 1503 bsdsc.address_format = CD_LBA_FORMAT; 1504 bsdsc.data_format = CD_CURRENT_POSITION; 1505 bsdsc.track = 0; 1506 bsdsc.data_len = sizeof(bsdinfo); 1507 bsdsc.data = &bsdinfo; 1508 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1509 (caddr_t)&bsdsc, td->td_ucred, td); 1510 if (error) 1511 break; 1512 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1513 if (error) 1514 break; 1515 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1516 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1517 sc.cdsc_ctrl = bsdinfo.what.position.control; 1518 sc.cdsc_trk = bsdinfo.what.position.track_number; 1519 sc.cdsc_ind = bsdinfo.what.position.index_number; 1520 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1521 bsdinfo.what.position.absaddr.lba); 1522 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1523 bsdinfo.what.position.reladdr.lba); 1524 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1525 break; 1526 } 1527 1528 /* LINUX_CDROMREADMODE2 */ 1529 /* LINUX_CDROMREADMODE1 */ 1530 /* LINUX_CDROMREADAUDIO */ 1531 /* LINUX_CDROMEJECT_SW */ 1532 /* LINUX_CDROMMULTISESSION */ 1533 /* LINUX_CDROM_GET_UPC */ 1534 1535 case LINUX_CDROMRESET: 1536 args->cmd = CDIOCRESET; 1537 error = (ioctl(td, (struct ioctl_args *)args)); 1538 break; 1539 1540 /* LINUX_CDROMVOLREAD */ 1541 /* LINUX_CDROMREADRAW */ 1542 /* LINUX_CDROMREADCOOKED */ 1543 /* LINUX_CDROMSEEK */ 1544 /* LINUX_CDROMPLAYBLK */ 1545 /* LINUX_CDROMREADALL */ 1546 /* LINUX_CDROMCLOSETRAY */ 1547 /* LINUX_CDROMLOADFROMSLOT */ 1548 /* LINUX_CDROMGETSPINDOWN */ 1549 /* LINUX_CDROMSETSPINDOWN */ 1550 /* LINUX_CDROM_SET_OPTIONS */ 1551 /* LINUX_CDROM_CLEAR_OPTIONS */ 1552 /* LINUX_CDROM_SELECT_SPEED */ 1553 /* LINUX_CDROM_SELECT_DISC */ 1554 /* LINUX_CDROM_MEDIA_CHANGED */ 1555 /* LINUX_CDROM_DRIVE_STATUS */ 1556 /* LINUX_CDROM_DISC_STATUS */ 1557 /* LINUX_CDROM_CHANGER_NSLOTS */ 1558 /* LINUX_CDROM_LOCKDOOR */ 1559 /* LINUX_CDROM_DEBUG */ 1560 /* LINUX_CDROM_GET_CAPABILITY */ 1561 /* LINUX_CDROMAUDIOBUFSIZ */ 1562 1563 case LINUX_DVD_READ_STRUCT: { 1564 l_dvd_struct *lds; 1565 struct dvd_struct *bds; 1566 1567 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1568 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1569 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1570 if (error) 1571 goto out; 1572 error = linux_to_bsd_dvd_struct(lds, bds); 1573 if (error) 1574 goto out; 1575 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1576 td->td_ucred, td); 1577 if (error) 1578 goto out; 1579 error = bsd_to_linux_dvd_struct(bds, lds); 1580 if (error) 1581 goto out; 1582 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1583 out: 1584 free(bds, M_LINUX); 1585 free(lds, M_LINUX); 1586 break; 1587 } 1588 1589 /* LINUX_DVD_WRITE_STRUCT */ 1590 1591 case LINUX_DVD_AUTH: { 1592 l_dvd_authinfo lda; 1593 struct dvd_authinfo bda; 1594 int bcode; 1595 1596 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1597 if (error) 1598 break; 1599 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1600 if (error) 1601 break; 1602 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1603 td); 1604 if (error) { 1605 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1606 lda.type = LINUX_DVD_AUTH_FAILURE; 1607 copyout(&lda, (void *)args->arg, sizeof(lda)); 1608 } 1609 break; 1610 } 1611 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1612 if (error) 1613 break; 1614 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1615 break; 1616 } 1617 1618 case LINUX_SCSI_GET_BUS_NUMBER: 1619 case LINUX_SCSI_GET_IDLUN: 1620 error = linux_ioctl_sg(td, args); 1621 break; 1622 1623 /* LINUX_CDROM_SEND_PACKET */ 1624 /* LINUX_CDROM_NEXT_WRITABLE */ 1625 /* LINUX_CDROM_LAST_WRITTEN */ 1626 1627 default: 1628 error = ENOIOCTL; 1629 break; 1630 } 1631 1632 fdrop(fp, td); 1633 return (error); 1634 } 1635 1636 static int 1637 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1638 { 1639 1640 return (ENOTTY); 1641 } 1642 1643 /* 1644 * Sound related ioctls 1645 */ 1646 1647 struct linux_mixer_info { 1648 char id[16]; 1649 char name[32]; 1650 int modify_counter; 1651 int fillers[10]; 1652 }; 1653 1654 struct linux_old_mixer_info { 1655 char id[16]; 1656 char name[32]; 1657 }; 1658 1659 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1660 1661 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1662 1663 static int 1664 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1665 { 1666 1667 switch (args->cmd & 0xffff) { 1668 1669 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1670 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1671 return (ioctl(td, (struct ioctl_args *)args)); 1672 1673 case LINUX_SOUND_MIXER_WRITE_BASS: 1674 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1675 return (ioctl(td, (struct ioctl_args *)args)); 1676 1677 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1678 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1679 return (ioctl(td, (struct ioctl_args *)args)); 1680 1681 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1682 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1683 return (ioctl(td, (struct ioctl_args *)args)); 1684 1685 case LINUX_SOUND_MIXER_WRITE_PCM: 1686 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1687 return (ioctl(td, (struct ioctl_args *)args)); 1688 1689 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1690 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1691 return (ioctl(td, (struct ioctl_args *)args)); 1692 1693 case LINUX_SOUND_MIXER_WRITE_LINE: 1694 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1695 return (ioctl(td, (struct ioctl_args *)args)); 1696 1697 case LINUX_SOUND_MIXER_WRITE_MIC: 1698 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1699 return (ioctl(td, (struct ioctl_args *)args)); 1700 1701 case LINUX_SOUND_MIXER_WRITE_CD: 1702 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1703 return (ioctl(td, (struct ioctl_args *)args)); 1704 1705 case LINUX_SOUND_MIXER_WRITE_IMIX: 1706 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1707 return (ioctl(td, (struct ioctl_args *)args)); 1708 1709 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1710 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1711 return (ioctl(td, (struct ioctl_args *)args)); 1712 1713 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1714 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1715 return (ioctl(td, (struct ioctl_args *)args)); 1716 1717 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1718 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1719 return (ioctl(td, (struct ioctl_args *)args)); 1720 1721 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1722 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1723 return (ioctl(td, (struct ioctl_args *)args)); 1724 1725 case LINUX_SOUND_MIXER_WRITE_LINE1: 1726 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1727 return (ioctl(td, (struct ioctl_args *)args)); 1728 1729 case LINUX_SOUND_MIXER_WRITE_LINE2: 1730 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1731 return (ioctl(td, (struct ioctl_args *)args)); 1732 1733 case LINUX_SOUND_MIXER_WRITE_LINE3: 1734 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1735 return (ioctl(td, (struct ioctl_args *)args)); 1736 1737 case LINUX_SOUND_MIXER_INFO: { 1738 /* Key on encoded length */ 1739 switch ((args->cmd >> 16) & 0x1fff) { 1740 case 0x005c: { /* SOUND_MIXER_INFO */ 1741 struct linux_mixer_info info; 1742 bzero(&info, sizeof(info)); 1743 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1744 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1745 copyout(&info, (void *)args->arg, sizeof(info)); 1746 break; 1747 } 1748 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1749 struct linux_old_mixer_info info; 1750 bzero(&info, sizeof(info)); 1751 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1752 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1753 copyout(&info, (void *)args->arg, sizeof(info)); 1754 break; 1755 } 1756 default: 1757 return (ENOIOCTL); 1758 } 1759 break; 1760 } 1761 1762 case LINUX_OSS_GETVERSION: { 1763 int version = linux_get_oss_version(td); 1764 return (copyout(&version, (void *)args->arg, sizeof(int))); 1765 } 1766 1767 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1768 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1769 return (ioctl(td, (struct ioctl_args *)args)); 1770 1771 case LINUX_SOUND_MIXER_READ_RECMASK: 1772 args->cmd = SOUND_MIXER_READ_RECMASK; 1773 return (ioctl(td, (struct ioctl_args *)args)); 1774 1775 case LINUX_SOUND_MIXER_READ_DEVMASK: 1776 args->cmd = SOUND_MIXER_READ_DEVMASK; 1777 return (ioctl(td, (struct ioctl_args *)args)); 1778 1779 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1780 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1781 return (ioctl(td, (struct ioctl_args *)args)); 1782 1783 case LINUX_SNDCTL_DSP_RESET: 1784 args->cmd = SNDCTL_DSP_RESET; 1785 return (ioctl(td, (struct ioctl_args *)args)); 1786 1787 case LINUX_SNDCTL_DSP_SYNC: 1788 args->cmd = SNDCTL_DSP_SYNC; 1789 return (ioctl(td, (struct ioctl_args *)args)); 1790 1791 case LINUX_SNDCTL_DSP_SPEED: 1792 args->cmd = SNDCTL_DSP_SPEED; 1793 return (ioctl(td, (struct ioctl_args *)args)); 1794 1795 case LINUX_SNDCTL_DSP_STEREO: 1796 args->cmd = SNDCTL_DSP_STEREO; 1797 return (ioctl(td, (struct ioctl_args *)args)); 1798 1799 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1800 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1801 return (ioctl(td, (struct ioctl_args *)args)); 1802 1803 case LINUX_SNDCTL_DSP_SETFMT: 1804 args->cmd = SNDCTL_DSP_SETFMT; 1805 return (ioctl(td, (struct ioctl_args *)args)); 1806 1807 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1808 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1809 return (ioctl(td, (struct ioctl_args *)args)); 1810 1811 case LINUX_SOUND_PCM_WRITE_FILTER: 1812 args->cmd = SOUND_PCM_WRITE_FILTER; 1813 return (ioctl(td, (struct ioctl_args *)args)); 1814 1815 case LINUX_SNDCTL_DSP_POST: 1816 args->cmd = SNDCTL_DSP_POST; 1817 return (ioctl(td, (struct ioctl_args *)args)); 1818 1819 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1820 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1821 return (ioctl(td, (struct ioctl_args *)args)); 1822 1823 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1824 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1825 return (ioctl(td, (struct ioctl_args *)args)); 1826 1827 case LINUX_SNDCTL_DSP_GETFMTS: 1828 args->cmd = SNDCTL_DSP_GETFMTS; 1829 return (ioctl(td, (struct ioctl_args *)args)); 1830 1831 case LINUX_SNDCTL_DSP_GETOSPACE: 1832 args->cmd = SNDCTL_DSP_GETOSPACE; 1833 return (ioctl(td, (struct ioctl_args *)args)); 1834 1835 case LINUX_SNDCTL_DSP_GETISPACE: 1836 args->cmd = SNDCTL_DSP_GETISPACE; 1837 return (ioctl(td, (struct ioctl_args *)args)); 1838 1839 case LINUX_SNDCTL_DSP_NONBLOCK: 1840 args->cmd = SNDCTL_DSP_NONBLOCK; 1841 return (ioctl(td, (struct ioctl_args *)args)); 1842 1843 case LINUX_SNDCTL_DSP_GETCAPS: 1844 args->cmd = SNDCTL_DSP_GETCAPS; 1845 return (ioctl(td, (struct ioctl_args *)args)); 1846 1847 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1848 args->cmd = SNDCTL_DSP_SETTRIGGER; 1849 return (ioctl(td, (struct ioctl_args *)args)); 1850 1851 case LINUX_SNDCTL_DSP_GETIPTR: 1852 args->cmd = SNDCTL_DSP_GETIPTR; 1853 return (ioctl(td, (struct ioctl_args *)args)); 1854 1855 case LINUX_SNDCTL_DSP_GETOPTR: 1856 args->cmd = SNDCTL_DSP_GETOPTR; 1857 return (ioctl(td, (struct ioctl_args *)args)); 1858 1859 case LINUX_SNDCTL_DSP_SETDUPLEX: 1860 args->cmd = SNDCTL_DSP_SETDUPLEX; 1861 return (ioctl(td, (struct ioctl_args *)args)); 1862 1863 case LINUX_SNDCTL_DSP_GETODELAY: 1864 args->cmd = SNDCTL_DSP_GETODELAY; 1865 return (ioctl(td, (struct ioctl_args *)args)); 1866 1867 case LINUX_SNDCTL_SEQ_RESET: 1868 args->cmd = SNDCTL_SEQ_RESET; 1869 return (ioctl(td, (struct ioctl_args *)args)); 1870 1871 case LINUX_SNDCTL_SEQ_SYNC: 1872 args->cmd = SNDCTL_SEQ_SYNC; 1873 return (ioctl(td, (struct ioctl_args *)args)); 1874 1875 case LINUX_SNDCTL_SYNTH_INFO: 1876 args->cmd = SNDCTL_SYNTH_INFO; 1877 return (ioctl(td, (struct ioctl_args *)args)); 1878 1879 case LINUX_SNDCTL_SEQ_CTRLRATE: 1880 args->cmd = SNDCTL_SEQ_CTRLRATE; 1881 return (ioctl(td, (struct ioctl_args *)args)); 1882 1883 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1884 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1885 return (ioctl(td, (struct ioctl_args *)args)); 1886 1887 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1888 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1889 return (ioctl(td, (struct ioctl_args *)args)); 1890 1891 case LINUX_SNDCTL_SEQ_PERCMODE: 1892 args->cmd = SNDCTL_SEQ_PERCMODE; 1893 return (ioctl(td, (struct ioctl_args *)args)); 1894 1895 case LINUX_SNDCTL_FM_LOAD_INSTR: 1896 args->cmd = SNDCTL_FM_LOAD_INSTR; 1897 return (ioctl(td, (struct ioctl_args *)args)); 1898 1899 case LINUX_SNDCTL_SEQ_TESTMIDI: 1900 args->cmd = SNDCTL_SEQ_TESTMIDI; 1901 return (ioctl(td, (struct ioctl_args *)args)); 1902 1903 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1904 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1905 return (ioctl(td, (struct ioctl_args *)args)); 1906 1907 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1908 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1909 return (ioctl(td, (struct ioctl_args *)args)); 1910 1911 case LINUX_SNDCTL_SEQ_NRMIDIS: 1912 args->cmd = SNDCTL_SEQ_NRMIDIS; 1913 return (ioctl(td, (struct ioctl_args *)args)); 1914 1915 case LINUX_SNDCTL_MIDI_INFO: 1916 args->cmd = SNDCTL_MIDI_INFO; 1917 return (ioctl(td, (struct ioctl_args *)args)); 1918 1919 case LINUX_SNDCTL_SEQ_TRESHOLD: 1920 args->cmd = SNDCTL_SEQ_TRESHOLD; 1921 return (ioctl(td, (struct ioctl_args *)args)); 1922 1923 case LINUX_SNDCTL_SYNTH_MEMAVL: 1924 args->cmd = SNDCTL_SYNTH_MEMAVL; 1925 return (ioctl(td, (struct ioctl_args *)args)); 1926 1927 } 1928 1929 return (ENOIOCTL); 1930 } 1931 1932 /* 1933 * Console related ioctls 1934 */ 1935 1936 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1937 1938 static int 1939 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1940 { 1941 struct file *fp; 1942 int error; 1943 1944 if ((error = fget(td, args->fd, &fp)) != 0) 1945 return (error); 1946 switch (args->cmd & 0xffff) { 1947 1948 case LINUX_KIOCSOUND: 1949 args->cmd = KIOCSOUND; 1950 error = (ioctl(td, (struct ioctl_args *)args)); 1951 break; 1952 1953 case LINUX_KDMKTONE: 1954 args->cmd = KDMKTONE; 1955 error = (ioctl(td, (struct ioctl_args *)args)); 1956 break; 1957 1958 case LINUX_KDGETLED: 1959 args->cmd = KDGETLED; 1960 error = (ioctl(td, (struct ioctl_args *)args)); 1961 break; 1962 1963 case LINUX_KDSETLED: 1964 args->cmd = KDSETLED; 1965 error = (ioctl(td, (struct ioctl_args *)args)); 1966 break; 1967 1968 case LINUX_KDSETMODE: 1969 args->cmd = KDSETMODE; 1970 error = (ioctl(td, (struct ioctl_args *)args)); 1971 break; 1972 1973 case LINUX_KDGETMODE: 1974 args->cmd = KDGETMODE; 1975 error = (ioctl(td, (struct ioctl_args *)args)); 1976 break; 1977 1978 case LINUX_KDGKBMODE: 1979 args->cmd = KDGKBMODE; 1980 error = (ioctl(td, (struct ioctl_args *)args)); 1981 break; 1982 1983 case LINUX_KDSKBMODE: { 1984 int kbdmode; 1985 switch (args->arg) { 1986 case LINUX_KBD_RAW: 1987 kbdmode = K_RAW; 1988 break; 1989 case LINUX_KBD_XLATE: 1990 kbdmode = K_XLATE; 1991 break; 1992 case LINUX_KBD_MEDIUMRAW: 1993 kbdmode = K_RAW; 1994 break; 1995 default: 1996 fdrop(fp, td); 1997 return (EINVAL); 1998 } 1999 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2000 td->td_ucred, td)); 2001 break; 2002 } 2003 2004 case LINUX_VT_OPENQRY: 2005 args->cmd = VT_OPENQRY; 2006 error = (ioctl(td, (struct ioctl_args *)args)); 2007 break; 2008 2009 case LINUX_VT_GETMODE: 2010 args->cmd = VT_GETMODE; 2011 error = (ioctl(td, (struct ioctl_args *)args)); 2012 break; 2013 2014 case LINUX_VT_SETMODE: { 2015 struct vt_mode mode; 2016 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2017 break; 2018 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig)) 2019 mode.frsig = mode.acqsig; 2020 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2021 break; 2022 args->cmd = VT_SETMODE; 2023 error = (ioctl(td, (struct ioctl_args *)args)); 2024 break; 2025 } 2026 2027 case LINUX_VT_GETSTATE: 2028 args->cmd = VT_GETACTIVE; 2029 error = (ioctl(td, (struct ioctl_args *)args)); 2030 break; 2031 2032 case LINUX_VT_RELDISP: 2033 args->cmd = VT_RELDISP; 2034 error = (ioctl(td, (struct ioctl_args *)args)); 2035 break; 2036 2037 case LINUX_VT_ACTIVATE: 2038 args->cmd = VT_ACTIVATE; 2039 error = (ioctl(td, (struct ioctl_args *)args)); 2040 break; 2041 2042 case LINUX_VT_WAITACTIVE: 2043 args->cmd = VT_WAITACTIVE; 2044 error = (ioctl(td, (struct ioctl_args *)args)); 2045 break; 2046 2047 default: 2048 error = ENOIOCTL; 2049 break; 2050 } 2051 2052 fdrop(fp, td); 2053 return (error); 2054 } 2055 2056 /* 2057 * Criteria for interface name translation 2058 */ 2059 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2060 2061 /* 2062 * Interface function used by linprocfs (at the time of writing). It's not 2063 * used by the Linuxulator itself. 2064 */ 2065 int 2066 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 2067 { 2068 struct ifnet *ifscan; 2069 int ethno; 2070 2071 IFNET_RLOCK_ASSERT(); 2072 2073 /* Short-circuit non ethernet interfaces */ 2074 if (!IFP_IS_ETH(ifp)) 2075 return (strlcpy(buffer, ifp->if_xname, buflen)); 2076 2077 /* Determine the (relative) unit number for ethernet interfaces */ 2078 ethno = 0; 2079 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 2080 if (ifscan == ifp) 2081 return (snprintf(buffer, buflen, "eth%d", ethno)); 2082 if (IFP_IS_ETH(ifscan)) 2083 ethno++; 2084 } 2085 2086 return (0); 2087 } 2088 2089 /* 2090 * Translate a Linux interface name to a FreeBSD interface name, 2091 * and return the associated ifnet structure 2092 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2093 * can point to the same buffer. 2094 */ 2095 2096 static struct ifnet * 2097 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2098 { 2099 struct ifnet *ifp; 2100 int len, unit; 2101 char *ep; 2102 int is_eth, index; 2103 2104 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2105 if (!isalpha(lxname[len])) 2106 break; 2107 if (len == 0 || len == LINUX_IFNAMSIZ) 2108 return (NULL); 2109 unit = (int)strtoul(lxname + len, &ep, 10); 2110 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2111 return (NULL); 2112 index = 0; 2113 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2114 CURVNET_SET(TD_TO_VNET(td)); 2115 IFNET_RLOCK(); 2116 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2117 /* 2118 * Allow Linux programs to use FreeBSD names. Don't presume 2119 * we never have an interface named "eth", so don't make 2120 * the test optional based on is_eth. 2121 */ 2122 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2123 break; 2124 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2125 break; 2126 } 2127 IFNET_RUNLOCK(); 2128 CURVNET_RESTORE(); 2129 if (ifp != NULL) 2130 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2131 return (ifp); 2132 } 2133 2134 /* 2135 * Implement the SIOCGIFCONF ioctl 2136 */ 2137 2138 static int 2139 linux_ifconf(struct thread *td, struct ifconf *uifc) 2140 { 2141 #ifdef COMPAT_LINUX32 2142 struct l_ifconf ifc; 2143 #else 2144 struct ifconf ifc; 2145 #endif 2146 struct l_ifreq ifr; 2147 struct ifnet *ifp; 2148 struct ifaddr *ifa; 2149 struct sbuf *sb; 2150 int error, ethno, full = 0, valid_len, max_len; 2151 2152 error = copyin(uifc, &ifc, sizeof(ifc)); 2153 if (error != 0) 2154 return (error); 2155 2156 max_len = MAXPHYS - 1; 2157 2158 CURVNET_SET(TD_TO_VNET(td)); 2159 /* handle the 'request buffer size' case */ 2160 if (ifc.ifc_buf == PTROUT(NULL)) { 2161 ifc.ifc_len = 0; 2162 IFNET_RLOCK(); 2163 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2164 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2165 struct sockaddr *sa = ifa->ifa_addr; 2166 if (sa->sa_family == AF_INET) 2167 ifc.ifc_len += sizeof(ifr); 2168 } 2169 } 2170 IFNET_RUNLOCK(); 2171 error = copyout(&ifc, uifc, sizeof(ifc)); 2172 CURVNET_RESTORE(); 2173 return (error); 2174 } 2175 2176 if (ifc.ifc_len <= 0) { 2177 CURVNET_RESTORE(); 2178 return (EINVAL); 2179 } 2180 2181 again: 2182 /* Keep track of eth interfaces */ 2183 ethno = 0; 2184 if (ifc.ifc_len <= max_len) { 2185 max_len = ifc.ifc_len; 2186 full = 1; 2187 } 2188 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2189 max_len = 0; 2190 valid_len = 0; 2191 2192 /* Return all AF_INET addresses of all interfaces */ 2193 IFNET_RLOCK(); 2194 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2195 int addrs = 0; 2196 2197 bzero(&ifr, sizeof(ifr)); 2198 if (IFP_IS_ETH(ifp)) 2199 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2200 ethno++); 2201 else 2202 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2203 2204 /* Walk the address list */ 2205 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2206 struct sockaddr *sa = ifa->ifa_addr; 2207 2208 if (sa->sa_family == AF_INET) { 2209 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2210 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2211 sizeof(ifr.ifr_addr.sa_data)); 2212 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2213 max_len += sizeof(ifr); 2214 addrs++; 2215 } 2216 2217 if (!sbuf_overflowed(sb)) 2218 valid_len = sbuf_len(sb); 2219 } 2220 if (addrs == 0) { 2221 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2222 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2223 max_len += sizeof(ifr); 2224 2225 if (!sbuf_overflowed(sb)) 2226 valid_len = sbuf_len(sb); 2227 } 2228 } 2229 IFNET_RUNLOCK(); 2230 2231 if (valid_len != max_len && !full) { 2232 sbuf_delete(sb); 2233 goto again; 2234 } 2235 2236 ifc.ifc_len = valid_len; 2237 sbuf_finish(sb); 2238 memcpy(PTRIN(ifc.ifc_buf), sbuf_data(sb), ifc.ifc_len); 2239 error = copyout(&ifc, uifc, sizeof(ifc)); 2240 sbuf_delete(sb); 2241 CURVNET_RESTORE(); 2242 2243 return (error); 2244 } 2245 2246 static int 2247 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2248 { 2249 l_short flags; 2250 2251 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2252 /* these flags have no Linux equivalent */ 2253 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2254 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2255 /* Linux' multicast flag is in a different bit */ 2256 if (flags & IFF_MULTICAST) { 2257 flags &= ~IFF_MULTICAST; 2258 flags |= 0x1000; 2259 } 2260 2261 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2262 } 2263 2264 #define ARPHRD_ETHER 1 2265 #define ARPHRD_LOOPBACK 772 2266 2267 static int 2268 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2269 { 2270 struct ifaddr *ifa; 2271 struct sockaddr_dl *sdl; 2272 struct l_sockaddr lsa; 2273 2274 if (ifp->if_type == IFT_LOOP) { 2275 bzero(&lsa, sizeof(lsa)); 2276 lsa.sa_family = ARPHRD_LOOPBACK; 2277 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2278 } 2279 2280 if (ifp->if_type != IFT_ETHER) 2281 return (ENOENT); 2282 2283 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2284 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2285 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2286 (sdl->sdl_type == IFT_ETHER)) { 2287 bzero(&lsa, sizeof(lsa)); 2288 lsa.sa_family = ARPHRD_ETHER; 2289 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2290 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2291 } 2292 } 2293 2294 return (ENOENT); 2295 } 2296 2297 2298 /* 2299 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2300 * the native ioctl(). Thus, we don't really need to check the return 2301 * value of this function. 2302 */ 2303 static int 2304 bsd_to_linux_ifreq(struct ifreq *arg) 2305 { 2306 struct ifreq ifr; 2307 size_t ifr_len = sizeof(struct ifreq); 2308 int error; 2309 2310 if ((error = copyin(arg, &ifr, ifr_len))) 2311 return (error); 2312 2313 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2314 2315 error = copyout(&ifr, arg, ifr_len); 2316 2317 return (error); 2318 } 2319 2320 /* 2321 * Socket related ioctls 2322 */ 2323 2324 static int 2325 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2326 { 2327 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2328 struct ifnet *ifp; 2329 struct file *fp; 2330 int error, type; 2331 2332 ifp = NULL; 2333 error = 0; 2334 2335 if ((error = fget(td, args->fd, &fp)) != 0) 2336 return (error); 2337 type = fp->f_type; 2338 fdrop(fp, td); 2339 if (type != DTYPE_SOCKET) { 2340 /* not a socket - probably a tap / vmnet device */ 2341 switch (args->cmd) { 2342 case LINUX_SIOCGIFADDR: 2343 case LINUX_SIOCSIFADDR: 2344 case LINUX_SIOCGIFFLAGS: 2345 return (linux_ioctl_special(td, args)); 2346 default: 2347 return (ENOIOCTL); 2348 } 2349 } 2350 2351 switch (args->cmd & 0xffff) { 2352 2353 case LINUX_FIOGETOWN: 2354 case LINUX_FIOSETOWN: 2355 case LINUX_SIOCADDMULTI: 2356 case LINUX_SIOCATMARK: 2357 case LINUX_SIOCDELMULTI: 2358 case LINUX_SIOCGIFCONF: 2359 case LINUX_SIOCGPGRP: 2360 case LINUX_SIOCSPGRP: 2361 case LINUX_SIOCGIFCOUNT: 2362 /* these ioctls don't take an interface name */ 2363 #ifdef DEBUG 2364 printf("%s(): ioctl %d\n", __func__, 2365 args->cmd & 0xffff); 2366 #endif 2367 break; 2368 2369 case LINUX_SIOCGIFFLAGS: 2370 case LINUX_SIOCGIFADDR: 2371 case LINUX_SIOCSIFADDR: 2372 case LINUX_SIOCGIFDSTADDR: 2373 case LINUX_SIOCGIFBRDADDR: 2374 case LINUX_SIOCGIFNETMASK: 2375 case LINUX_SIOCSIFNETMASK: 2376 case LINUX_SIOCGIFMTU: 2377 case LINUX_SIOCSIFMTU: 2378 case LINUX_SIOCSIFNAME: 2379 case LINUX_SIOCGIFHWADDR: 2380 case LINUX_SIOCSIFHWADDR: 2381 case LINUX_SIOCDEVPRIVATE: 2382 case LINUX_SIOCDEVPRIVATE+1: 2383 case LINUX_SIOCGIFINDEX: 2384 /* copy in the interface name and translate it. */ 2385 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2386 if (error != 0) 2387 return (error); 2388 #ifdef DEBUG 2389 printf("%s(): ioctl %d on %.*s\n", __func__, 2390 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2391 #endif 2392 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2393 if (ifp == NULL) 2394 return (EINVAL); 2395 /* 2396 * We need to copy it back out in case we pass the 2397 * request on to our native ioctl(), which will expect 2398 * the ifreq to be in user space and have the correct 2399 * interface name. 2400 */ 2401 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2402 if (error != 0) 2403 return (error); 2404 #ifdef DEBUG 2405 printf("%s(): %s translated to %s\n", __func__, 2406 lifname, ifname); 2407 #endif 2408 break; 2409 2410 default: 2411 return (ENOIOCTL); 2412 } 2413 2414 switch (args->cmd & 0xffff) { 2415 2416 case LINUX_FIOSETOWN: 2417 args->cmd = FIOSETOWN; 2418 error = ioctl(td, (struct ioctl_args *)args); 2419 break; 2420 2421 case LINUX_SIOCSPGRP: 2422 args->cmd = SIOCSPGRP; 2423 error = ioctl(td, (struct ioctl_args *)args); 2424 break; 2425 2426 case LINUX_FIOGETOWN: 2427 args->cmd = FIOGETOWN; 2428 error = ioctl(td, (struct ioctl_args *)args); 2429 break; 2430 2431 case LINUX_SIOCGPGRP: 2432 args->cmd = SIOCGPGRP; 2433 error = ioctl(td, (struct ioctl_args *)args); 2434 break; 2435 2436 case LINUX_SIOCATMARK: 2437 args->cmd = SIOCATMARK; 2438 error = ioctl(td, (struct ioctl_args *)args); 2439 break; 2440 2441 /* LINUX_SIOCGSTAMP */ 2442 2443 case LINUX_SIOCGIFCONF: 2444 error = linux_ifconf(td, (struct ifconf *)args->arg); 2445 break; 2446 2447 case LINUX_SIOCGIFFLAGS: 2448 args->cmd = SIOCGIFFLAGS; 2449 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2450 break; 2451 2452 case LINUX_SIOCGIFADDR: 2453 args->cmd = SIOCGIFADDR; 2454 error = ioctl(td, (struct ioctl_args *)args); 2455 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2456 break; 2457 2458 case LINUX_SIOCSIFADDR: 2459 /* XXX probably doesn't work, included for completeness */ 2460 args->cmd = SIOCSIFADDR; 2461 error = ioctl(td, (struct ioctl_args *)args); 2462 break; 2463 2464 case LINUX_SIOCGIFDSTADDR: 2465 args->cmd = SIOCGIFDSTADDR; 2466 error = ioctl(td, (struct ioctl_args *)args); 2467 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2468 break; 2469 2470 case LINUX_SIOCGIFBRDADDR: 2471 args->cmd = SIOCGIFBRDADDR; 2472 error = ioctl(td, (struct ioctl_args *)args); 2473 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2474 break; 2475 2476 case LINUX_SIOCGIFNETMASK: 2477 args->cmd = SIOCGIFNETMASK; 2478 error = ioctl(td, (struct ioctl_args *)args); 2479 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2480 break; 2481 2482 case LINUX_SIOCSIFNETMASK: 2483 error = ENOIOCTL; 2484 break; 2485 2486 case LINUX_SIOCGIFMTU: 2487 args->cmd = SIOCGIFMTU; 2488 error = ioctl(td, (struct ioctl_args *)args); 2489 break; 2490 2491 case LINUX_SIOCSIFMTU: 2492 args->cmd = SIOCSIFMTU; 2493 error = ioctl(td, (struct ioctl_args *)args); 2494 break; 2495 2496 case LINUX_SIOCSIFNAME: 2497 error = ENOIOCTL; 2498 break; 2499 2500 case LINUX_SIOCGIFHWADDR: 2501 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2502 break; 2503 2504 case LINUX_SIOCSIFHWADDR: 2505 error = ENOIOCTL; 2506 break; 2507 2508 case LINUX_SIOCADDMULTI: 2509 args->cmd = SIOCADDMULTI; 2510 error = ioctl(td, (struct ioctl_args *)args); 2511 break; 2512 2513 case LINUX_SIOCDELMULTI: 2514 args->cmd = SIOCDELMULTI; 2515 error = ioctl(td, (struct ioctl_args *)args); 2516 break; 2517 2518 case LINUX_SIOCGIFINDEX: 2519 args->cmd = SIOCGIFINDEX; 2520 error = ioctl(td, (struct ioctl_args *)args); 2521 break; 2522 2523 case LINUX_SIOCGIFCOUNT: 2524 error = 0; 2525 break; 2526 2527 /* 2528 * XXX This is slightly bogus, but these ioctls are currently 2529 * XXX only used by the aironet (if_an) network driver. 2530 */ 2531 case LINUX_SIOCDEVPRIVATE: 2532 args->cmd = SIOCGPRIVATE_0; 2533 error = ioctl(td, (struct ioctl_args *)args); 2534 break; 2535 2536 case LINUX_SIOCDEVPRIVATE+1: 2537 args->cmd = SIOCGPRIVATE_1; 2538 error = ioctl(td, (struct ioctl_args *)args); 2539 break; 2540 } 2541 2542 if (ifp != NULL) 2543 /* restore the original interface name */ 2544 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2545 2546 #ifdef DEBUG 2547 printf("%s(): returning %d\n", __func__, error); 2548 #endif 2549 return (error); 2550 } 2551 2552 /* 2553 * Device private ioctl handler 2554 */ 2555 static int 2556 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2557 { 2558 struct file *fp; 2559 int error, type; 2560 2561 if ((error = fget(td, args->fd, &fp)) != 0) 2562 return (error); 2563 type = fp->f_type; 2564 fdrop(fp, td); 2565 if (type == DTYPE_SOCKET) 2566 return (linux_ioctl_socket(td, args)); 2567 return (ENOIOCTL); 2568 } 2569 2570 /* 2571 * DRM ioctl handler (sys/dev/drm) 2572 */ 2573 static int 2574 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2575 { 2576 args->cmd = SETDIR(args->cmd); 2577 return ioctl(td, (struct ioctl_args *)args); 2578 } 2579 2580 static int 2581 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2582 { 2583 struct file *fp; 2584 u_long cmd; 2585 int error; 2586 2587 if ((error = fget(td, args->fd, &fp)) != 0) { 2588 printf("sg_linux_ioctl: fget returned %d\n", error); 2589 return (error); 2590 } 2591 cmd = args->cmd; 2592 2593 error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td)); 2594 fdrop(fp, td); 2595 return (error); 2596 } 2597 2598 /* 2599 * Video4Linux (V4L) ioctl handler 2600 */ 2601 static int 2602 linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2603 { 2604 vt->tuner = lvt->tuner; 2605 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2606 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2607 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2608 vt->flags = lvt->flags; 2609 vt->mode = lvt->mode; 2610 vt->signal = lvt->signal; 2611 return (0); 2612 } 2613 2614 static int 2615 bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2616 { 2617 lvt->tuner = vt->tuner; 2618 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2619 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2620 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2621 lvt->flags = vt->flags; 2622 lvt->mode = vt->mode; 2623 lvt->signal = vt->signal; 2624 return (0); 2625 } 2626 2627 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2628 static int 2629 linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2630 { 2631 vc->x = lvc->x; 2632 vc->y = lvc->y; 2633 vc->width = lvc->width; 2634 vc->height = lvc->height; 2635 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2636 return (0); 2637 } 2638 #endif 2639 2640 static int 2641 linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2642 { 2643 vw->x = lvw->x; 2644 vw->y = lvw->y; 2645 vw->width = lvw->width; 2646 vw->height = lvw->height; 2647 vw->chromakey = lvw->chromakey; 2648 vw->flags = lvw->flags; 2649 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2650 vw->clipcount = lvw->clipcount; 2651 return (0); 2652 } 2653 2654 static int 2655 bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2656 { 2657 lvw->x = vw->x; 2658 lvw->y = vw->y; 2659 lvw->width = vw->width; 2660 lvw->height = vw->height; 2661 lvw->chromakey = vw->chromakey; 2662 lvw->flags = vw->flags; 2663 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2664 lvw->clipcount = vw->clipcount; 2665 return (0); 2666 } 2667 2668 static int 2669 linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2670 { 2671 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2672 vb->height = lvb->height; 2673 vb->width = lvb->width; 2674 vb->depth = lvb->depth; 2675 vb->bytesperline = lvb->bytesperline; 2676 return (0); 2677 } 2678 2679 static int 2680 bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2681 { 2682 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2683 lvb->height = vb->height; 2684 lvb->width = vb->width; 2685 lvb->depth = vb->depth; 2686 lvb->bytesperline = vb->bytesperline; 2687 return (0); 2688 } 2689 2690 static int 2691 linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2692 { 2693 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2694 vc->datasize = lvc->datasize; 2695 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2696 return (0); 2697 } 2698 2699 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2700 static int 2701 linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2702 { 2703 int error; 2704 struct video_clip vclip; 2705 struct l_video_clip l_vclip; 2706 2707 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2708 if (error) return (error); 2709 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2710 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2711 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2712 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2713 memcpy(*ppvc, &vclip, sizeof(vclip)); 2714 (*ppvc)->next = NULL; 2715 return (0); 2716 } 2717 2718 static int 2719 linux_v4l_cliplist_free(struct video_window *vw) 2720 { 2721 struct video_clip **ppvc; 2722 struct video_clip **ppvc_next; 2723 2724 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2725 ppvc_next = &((*ppvc)->next); 2726 free(*ppvc, M_LINUX); 2727 } 2728 vw->clips = NULL; 2729 2730 return (0); 2731 } 2732 2733 static int 2734 linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2735 { 2736 int error; 2737 int clipcount; 2738 void *plvc; 2739 struct video_clip **ppvc; 2740 2741 /* 2742 * XXX: The cliplist is used to pass in a list of clipping 2743 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2744 * clipping bitmap. Some Linux apps, however, appear to 2745 * leave cliplist and clips uninitialized. In any case, 2746 * the cliplist is not used by pwc(4), at the time of 2747 * writing, FreeBSD's only V4L driver. When a driver 2748 * that uses the cliplist is developed, this code may 2749 * need re-examiniation. 2750 */ 2751 error = 0; 2752 clipcount = vw->clipcount; 2753 if (clipcount == VIDEO_CLIP_BITMAP) { 2754 /* 2755 * In this case, the pointer (clips) is overloaded 2756 * to be a "void *" to a bitmap, therefore there 2757 * is no struct video_clip to copy now. 2758 */ 2759 } else if (clipcount > 0 && clipcount <= 16384) { 2760 /* 2761 * Clips points to list of clip rectangles, so 2762 * copy the list. 2763 * 2764 * XXX: Upper limit of 16384 was used here to try to 2765 * avoid cases when clipcount and clips pointer 2766 * are uninitialized and therefore have high random 2767 * values, as is the case in the Linux Skype 2768 * application. The value 16384 was chosen as that 2769 * is what is used in the Linux stradis(4) MPEG 2770 * decoder driver, the only place we found an 2771 * example of cliplist use. 2772 */ 2773 plvc = PTRIN(lvw->clips); 2774 vw->clips = NULL; 2775 ppvc = &(vw->clips); 2776 while (clipcount-- > 0) { 2777 if (plvc == 0) { 2778 error = EFAULT; 2779 break; 2780 } else { 2781 error = linux_v4l_clip_copy(plvc, ppvc); 2782 if (error) { 2783 linux_v4l_cliplist_free(vw); 2784 break; 2785 } 2786 } 2787 ppvc = &((*ppvc)->next); 2788 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2789 } 2790 } else { 2791 /* 2792 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2793 * Force cliplist to null. 2794 */ 2795 vw->clipcount = 0; 2796 vw->clips = NULL; 2797 } 2798 return (error); 2799 } 2800 #endif 2801 2802 static int 2803 linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2804 { 2805 struct file *fp; 2806 int error; 2807 struct video_tuner vtun; 2808 struct video_window vwin; 2809 struct video_buffer vbuf; 2810 struct video_code vcode; 2811 struct l_video_tuner l_vtun; 2812 struct l_video_window l_vwin; 2813 struct l_video_buffer l_vbuf; 2814 struct l_video_code l_vcode; 2815 2816 switch (args->cmd & 0xffff) { 2817 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2818 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2819 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2820 2821 case LINUX_VIDIOCGTUNER: 2822 if ((error = fget(td, args->fd, &fp)) != 0) 2823 return (error); 2824 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2825 if (error) { 2826 fdrop(fp, td); 2827 return (error); 2828 } 2829 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2830 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2831 if (!error) { 2832 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2833 error = copyout(&l_vtun, (void *) args->arg, 2834 sizeof(l_vtun)); 2835 } 2836 fdrop(fp, td); 2837 return (error); 2838 2839 case LINUX_VIDIOCSTUNER: 2840 if ((error = fget(td, args->fd, &fp)) != 0) 2841 return (error); 2842 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2843 if (error) { 2844 fdrop(fp, td); 2845 return (error); 2846 } 2847 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2848 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2849 fdrop(fp, td); 2850 return (error); 2851 2852 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2853 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2854 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2855 2856 case LINUX_VIDIOCGWIN: 2857 if ((error = fget(td, args->fd, &fp)) != 0) 2858 return (error); 2859 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2860 if (!error) { 2861 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2862 error = copyout(&l_vwin, (void *) args->arg, 2863 sizeof(l_vwin)); 2864 } 2865 fdrop(fp, td); 2866 return (error); 2867 2868 case LINUX_VIDIOCSWIN: 2869 if ((error = fget(td, args->fd, &fp)) != 0) 2870 return (error); 2871 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 2872 if (error) { 2873 fdrop(fp, td); 2874 return (error); 2875 } 2876 linux_to_bsd_v4l_window(&l_vwin, &vwin); 2877 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2878 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 2879 if (error) { 2880 fdrop(fp, td); 2881 return (error); 2882 } 2883 #endif 2884 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 2885 fdrop(fp, td); 2886 #ifdef COMPAT_LINUX_V4L_CLIPLIST 2887 linux_v4l_cliplist_free(&vwin); 2888 #endif 2889 return (error); 2890 2891 case LINUX_VIDIOCGFBUF: 2892 if ((error = fget(td, args->fd, &fp)) != 0) 2893 return (error); 2894 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 2895 if (!error) { 2896 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 2897 error = copyout(&l_vbuf, (void *) args->arg, 2898 sizeof(l_vbuf)); 2899 } 2900 fdrop(fp, td); 2901 return (error); 2902 2903 case LINUX_VIDIOCSFBUF: 2904 if ((error = fget(td, args->fd, &fp)) != 0) 2905 return (error); 2906 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 2907 if (error) { 2908 fdrop(fp, td); 2909 return (error); 2910 } 2911 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 2912 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 2913 fdrop(fp, td); 2914 return (error); 2915 2916 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 2917 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 2918 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 2919 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 2920 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 2921 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 2922 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 2923 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 2924 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 2925 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 2926 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 2927 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 2928 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 2929 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 2930 2931 case LINUX_VIDIOCSMICROCODE: 2932 if ((error = fget(td, args->fd, &fp)) != 0) 2933 return (error); 2934 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 2935 if (error) { 2936 fdrop(fp, td); 2937 return (error); 2938 } 2939 linux_to_bsd_v4l_code(&l_vcode, &vcode); 2940 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 2941 fdrop(fp, td); 2942 return (error); 2943 2944 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 2945 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 2946 default: return (ENOIOCTL); 2947 } 2948 2949 error = ioctl(td, (struct ioctl_args *)args); 2950 return (error); 2951 } 2952 2953 /* 2954 * Special ioctl handler 2955 */ 2956 static int 2957 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2958 { 2959 int error; 2960 2961 switch (args->cmd) { 2962 case LINUX_SIOCGIFADDR: 2963 args->cmd = SIOCGIFADDR; 2964 error = ioctl(td, (struct ioctl_args *)args); 2965 break; 2966 case LINUX_SIOCSIFADDR: 2967 args->cmd = SIOCSIFADDR; 2968 error = ioctl(td, (struct ioctl_args *)args); 2969 break; 2970 case LINUX_SIOCGIFFLAGS: 2971 args->cmd = SIOCGIFFLAGS; 2972 error = ioctl(td, (struct ioctl_args *)args); 2973 break; 2974 default: 2975 error = ENOIOCTL; 2976 } 2977 2978 return (error); 2979 } 2980 2981 /* 2982 * main ioctl syscall function 2983 */ 2984 2985 int 2986 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 2987 { 2988 struct file *fp; 2989 struct handler_element *he; 2990 int error, cmd; 2991 2992 #ifdef DEBUG 2993 if (ldebug(ioctl)) 2994 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 2995 (unsigned long)args->cmd); 2996 #endif 2997 2998 if ((error = fget(td, args->fd, &fp)) != 0) 2999 return (error); 3000 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3001 fdrop(fp, td); 3002 return (EBADF); 3003 } 3004 3005 /* Iterate over the ioctl handlers */ 3006 cmd = args->cmd & 0xffff; 3007 sx_slock(&linux_ioctl_sx); 3008 mtx_lock(&Giant); 3009 TAILQ_FOREACH(he, &handlers, list) { 3010 if (cmd >= he->low && cmd <= he->high) { 3011 error = (*he->func)(td, args); 3012 if (error != ENOIOCTL) { 3013 mtx_unlock(&Giant); 3014 sx_sunlock(&linux_ioctl_sx); 3015 fdrop(fp, td); 3016 return (error); 3017 } 3018 } 3019 } 3020 mtx_unlock(&Giant); 3021 sx_sunlock(&linux_ioctl_sx); 3022 fdrop(fp, td); 3023 3024 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3025 args->fd, (int)(args->cmd & 0xffff), 3026 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3027 3028 return (EINVAL); 3029 } 3030 3031 int 3032 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3033 { 3034 struct handler_element *he, *cur; 3035 3036 if (h == NULL || h->func == NULL) 3037 return (EINVAL); 3038 3039 /* 3040 * Reuse the element if the handler is already on the list, otherwise 3041 * create a new element. 3042 */ 3043 sx_xlock(&linux_ioctl_sx); 3044 TAILQ_FOREACH(he, &handlers, list) { 3045 if (he->func == h->func) 3046 break; 3047 } 3048 if (he == NULL) { 3049 he = malloc(sizeof(*he), 3050 M_LINUX, M_WAITOK); 3051 he->func = h->func; 3052 } else 3053 TAILQ_REMOVE(&handlers, he, list); 3054 3055 /* Initialize range information. */ 3056 he->low = h->low; 3057 he->high = h->high; 3058 he->span = h->high - h->low + 1; 3059 3060 /* Add the element to the list, sorted on span. */ 3061 TAILQ_FOREACH(cur, &handlers, list) { 3062 if (cur->span > he->span) { 3063 TAILQ_INSERT_BEFORE(cur, he, list); 3064 sx_xunlock(&linux_ioctl_sx); 3065 return (0); 3066 } 3067 } 3068 TAILQ_INSERT_TAIL(&handlers, he, list); 3069 sx_xunlock(&linux_ioctl_sx); 3070 3071 return (0); 3072 } 3073 3074 int 3075 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3076 { 3077 struct handler_element *he; 3078 3079 if (h == NULL || h->func == NULL) 3080 return (EINVAL); 3081 3082 sx_xlock(&linux_ioctl_sx); 3083 TAILQ_FOREACH(he, &handlers, list) { 3084 if (he->func == h->func) { 3085 TAILQ_REMOVE(&handlers, he, list); 3086 sx_xunlock(&linux_ioctl_sx); 3087 free(he, M_LINUX); 3088 return (0); 3089 } 3090 } 3091 sx_xunlock(&linux_ioctl_sx); 3092 3093 return (EINVAL); 3094 }
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