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/8.1/sys/compat/linux/linux_ioctl.c 197267 2009-09-17 11:03:37Z zec $"); 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 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 82 83 static linux_ioctl_function_t linux_ioctl_cdrom; 84 static linux_ioctl_function_t linux_ioctl_vfat; 85 static linux_ioctl_function_t linux_ioctl_console; 86 static linux_ioctl_function_t linux_ioctl_hdio; 87 static linux_ioctl_function_t linux_ioctl_disk; 88 static linux_ioctl_function_t linux_ioctl_socket; 89 static linux_ioctl_function_t linux_ioctl_sound; 90 static linux_ioctl_function_t linux_ioctl_termio; 91 static linux_ioctl_function_t linux_ioctl_private; 92 static linux_ioctl_function_t linux_ioctl_drm; 93 static linux_ioctl_function_t linux_ioctl_sg; 94 static linux_ioctl_function_t linux_ioctl_special; 95 96 static struct linux_ioctl_handler cdrom_handler = 97 { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 98 static struct linux_ioctl_handler vfat_handler = 99 { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 100 static struct linux_ioctl_handler console_handler = 101 { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 102 static struct linux_ioctl_handler hdio_handler = 103 { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 104 static struct linux_ioctl_handler disk_handler = 105 { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 106 static struct linux_ioctl_handler socket_handler = 107 { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 108 static struct linux_ioctl_handler sound_handler = 109 { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 110 static struct linux_ioctl_handler termio_handler = 111 { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 112 static struct linux_ioctl_handler private_handler = 113 { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 114 static struct linux_ioctl_handler drm_handler = 115 { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 116 static struct linux_ioctl_handler sg_handler = 117 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 118 119 DATA_SET(linux_ioctl_handler_set, cdrom_handler); 120 DATA_SET(linux_ioctl_handler_set, vfat_handler); 121 DATA_SET(linux_ioctl_handler_set, console_handler); 122 DATA_SET(linux_ioctl_handler_set, hdio_handler); 123 DATA_SET(linux_ioctl_handler_set, disk_handler); 124 DATA_SET(linux_ioctl_handler_set, socket_handler); 125 DATA_SET(linux_ioctl_handler_set, sound_handler); 126 DATA_SET(linux_ioctl_handler_set, termio_handler); 127 DATA_SET(linux_ioctl_handler_set, private_handler); 128 DATA_SET(linux_ioctl_handler_set, drm_handler); 129 DATA_SET(linux_ioctl_handler_set, sg_handler); 130 131 struct handler_element 132 { 133 TAILQ_ENTRY(handler_element) list; 134 int (*func)(struct thread *, struct linux_ioctl_args *); 135 int low, high, span; 136 }; 137 138 static TAILQ_HEAD(, handler_element) handlers = 139 TAILQ_HEAD_INITIALIZER(handlers); 140 static struct sx linux_ioctl_sx; 141 SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 142 143 /* 144 * hdio related ioctls for VMWare support 145 */ 146 147 struct linux_hd_geometry { 148 u_int8_t heads; 149 u_int8_t sectors; 150 u_int16_t cylinders; 151 u_int32_t start; 152 }; 153 154 struct linux_hd_big_geometry { 155 u_int8_t heads; 156 u_int8_t sectors; 157 u_int32_t cylinders; 158 u_int32_t start; 159 }; 160 161 static int 162 linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 163 { 164 struct file *fp; 165 int error; 166 u_int sectorsize, fwcylinders, fwheads, fwsectors; 167 off_t mediasize, bytespercyl; 168 169 if ((error = fget(td, args->fd, &fp)) != 0) 170 return (error); 171 switch (args->cmd & 0xffff) { 172 case LINUX_HDIO_GET_GEO: 173 case LINUX_HDIO_GET_GEO_BIG: 174 error = fo_ioctl(fp, DIOCGMEDIASIZE, 175 (caddr_t)&mediasize, td->td_ucred, td); 176 if (!error) 177 error = fo_ioctl(fp, DIOCGSECTORSIZE, 178 (caddr_t)§orsize, td->td_ucred, td); 179 if (!error) 180 error = fo_ioctl(fp, DIOCGFWHEADS, 181 (caddr_t)&fwheads, td->td_ucred, td); 182 if (!error) 183 error = fo_ioctl(fp, DIOCGFWSECTORS, 184 (caddr_t)&fwsectors, td->td_ucred, td); 185 /* 186 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 187 * so pretend that GEOM always says 0. This is NOT VALID 188 * for slices or partitions, only the per-disk raw devices. 189 */ 190 191 fdrop(fp, td); 192 if (error) 193 return (error); 194 /* 195 * 1. Calculate the number of bytes in a cylinder, 196 * given the firmware's notion of heads and sectors 197 * per cylinder. 198 * 2. Calculate the number of cylinders, given the total 199 * size of the media. 200 * All internal calculations should have 64-bit precision. 201 */ 202 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 203 fwcylinders = mediasize / bytespercyl; 204 #if defined(DEBUG) 205 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 206 "bpc %jd", 207 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 208 (intmax_t)bytespercyl); 209 #endif 210 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 211 struct linux_hd_geometry hdg; 212 213 hdg.cylinders = fwcylinders; 214 hdg.heads = fwheads; 215 hdg.sectors = fwsectors; 216 hdg.start = 0; 217 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 218 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 219 struct linux_hd_big_geometry hdbg; 220 221 hdbg.cylinders = fwcylinders; 222 hdbg.heads = fwheads; 223 hdbg.sectors = fwsectors; 224 hdbg.start = 0; 225 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 226 } 227 return (error); 228 break; 229 default: 230 /* XXX */ 231 linux_msg(td, 232 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 233 args->fd, (int)(args->cmd & 0xffff), 234 (int)(args->cmd & 0xff00) >> 8, 235 (int)(args->cmd & 0xff)); 236 break; 237 } 238 fdrop(fp, td); 239 return (ENOIOCTL); 240 } 241 242 static int 243 linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 244 { 245 struct file *fp; 246 int error; 247 u_int sectorsize; 248 off_t mediasize; 249 250 if ((error = fget(td, args->fd, &fp)) != 0) 251 return (error); 252 switch (args->cmd & 0xffff) { 253 case LINUX_BLKGETSIZE: 254 error = fo_ioctl(fp, DIOCGSECTORSIZE, 255 (caddr_t)§orsize, td->td_ucred, td); 256 if (!error) 257 error = fo_ioctl(fp, DIOCGMEDIASIZE, 258 (caddr_t)&mediasize, td->td_ucred, td); 259 fdrop(fp, td); 260 if (error) 261 return (error); 262 sectorsize = mediasize / sectorsize; 263 /* 264 * XXX: How do we know we return the right size of integer ? 265 */ 266 return (copyout(§orsize, (void *)args->arg, 267 sizeof(sectorsize))); 268 break; 269 } 270 fdrop(fp, td); 271 return (ENOIOCTL); 272 } 273 274 /* 275 * termio related ioctls 276 */ 277 278 struct linux_termio { 279 unsigned short c_iflag; 280 unsigned short c_oflag; 281 unsigned short c_cflag; 282 unsigned short c_lflag; 283 unsigned char c_line; 284 unsigned char c_cc[LINUX_NCC]; 285 }; 286 287 struct linux_termios { 288 unsigned int c_iflag; 289 unsigned int c_oflag; 290 unsigned int c_cflag; 291 unsigned int c_lflag; 292 unsigned char c_line; 293 unsigned char c_cc[LINUX_NCCS]; 294 }; 295 296 struct linux_winsize { 297 unsigned short ws_row, ws_col; 298 unsigned short ws_xpixel, ws_ypixel; 299 }; 300 301 struct speedtab { 302 int sp_speed; /* Speed. */ 303 int sp_code; /* Code. */ 304 }; 305 306 static struct speedtab sptab[] = { 307 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 308 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 309 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 310 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 311 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 312 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 313 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 314 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 315 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 316 {-1, -1 } 317 }; 318 319 struct linux_serial_struct { 320 int type; 321 int line; 322 int port; 323 int irq; 324 int flags; 325 int xmit_fifo_size; 326 int custom_divisor; 327 int baud_base; 328 unsigned short close_delay; 329 char reserved_char[2]; 330 int hub6; 331 unsigned short closing_wait; 332 unsigned short closing_wait2; 333 int reserved[4]; 334 }; 335 336 static int 337 linux_to_bsd_speed(int code, struct speedtab *table) 338 { 339 for ( ; table->sp_code != -1; table++) 340 if (table->sp_code == code) 341 return (table->sp_speed); 342 return -1; 343 } 344 345 static int 346 bsd_to_linux_speed(int speed, struct speedtab *table) 347 { 348 for ( ; table->sp_speed != -1; table++) 349 if (table->sp_speed == speed) 350 return (table->sp_code); 351 return -1; 352 } 353 354 static void 355 bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 356 { 357 int i; 358 359 #ifdef DEBUG 360 if (ldebug(ioctl)) { 361 printf("LINUX: BSD termios structure (input):\n"); 362 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 363 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 364 bios->c_ispeed, bios->c_ospeed); 365 printf("c_cc "); 366 for (i=0; i<NCCS; i++) 367 printf("%02x ", bios->c_cc[i]); 368 printf("\n"); 369 } 370 #endif 371 372 lios->c_iflag = 0; 373 if (bios->c_iflag & IGNBRK) 374 lios->c_iflag |= LINUX_IGNBRK; 375 if (bios->c_iflag & BRKINT) 376 lios->c_iflag |= LINUX_BRKINT; 377 if (bios->c_iflag & IGNPAR) 378 lios->c_iflag |= LINUX_IGNPAR; 379 if (bios->c_iflag & PARMRK) 380 lios->c_iflag |= LINUX_PARMRK; 381 if (bios->c_iflag & INPCK) 382 lios->c_iflag |= LINUX_INPCK; 383 if (bios->c_iflag & ISTRIP) 384 lios->c_iflag |= LINUX_ISTRIP; 385 if (bios->c_iflag & INLCR) 386 lios->c_iflag |= LINUX_INLCR; 387 if (bios->c_iflag & IGNCR) 388 lios->c_iflag |= LINUX_IGNCR; 389 if (bios->c_iflag & ICRNL) 390 lios->c_iflag |= LINUX_ICRNL; 391 if (bios->c_iflag & IXON) 392 lios->c_iflag |= LINUX_IXON; 393 if (bios->c_iflag & IXANY) 394 lios->c_iflag |= LINUX_IXANY; 395 if (bios->c_iflag & IXOFF) 396 lios->c_iflag |= LINUX_IXOFF; 397 if (bios->c_iflag & IMAXBEL) 398 lios->c_iflag |= LINUX_IMAXBEL; 399 400 lios->c_oflag = 0; 401 if (bios->c_oflag & OPOST) 402 lios->c_oflag |= LINUX_OPOST; 403 if (bios->c_oflag & ONLCR) 404 lios->c_oflag |= LINUX_ONLCR; 405 if (bios->c_oflag & TAB3) 406 lios->c_oflag |= LINUX_XTABS; 407 408 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 409 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 410 if (bios->c_cflag & CSTOPB) 411 lios->c_cflag |= LINUX_CSTOPB; 412 if (bios->c_cflag & CREAD) 413 lios->c_cflag |= LINUX_CREAD; 414 if (bios->c_cflag & PARENB) 415 lios->c_cflag |= LINUX_PARENB; 416 if (bios->c_cflag & PARODD) 417 lios->c_cflag |= LINUX_PARODD; 418 if (bios->c_cflag & HUPCL) 419 lios->c_cflag |= LINUX_HUPCL; 420 if (bios->c_cflag & CLOCAL) 421 lios->c_cflag |= LINUX_CLOCAL; 422 if (bios->c_cflag & CRTSCTS) 423 lios->c_cflag |= LINUX_CRTSCTS; 424 425 lios->c_lflag = 0; 426 if (bios->c_lflag & ISIG) 427 lios->c_lflag |= LINUX_ISIG; 428 if (bios->c_lflag & ICANON) 429 lios->c_lflag |= LINUX_ICANON; 430 if (bios->c_lflag & ECHO) 431 lios->c_lflag |= LINUX_ECHO; 432 if (bios->c_lflag & ECHOE) 433 lios->c_lflag |= LINUX_ECHOE; 434 if (bios->c_lflag & ECHOK) 435 lios->c_lflag |= LINUX_ECHOK; 436 if (bios->c_lflag & ECHONL) 437 lios->c_lflag |= LINUX_ECHONL; 438 if (bios->c_lflag & NOFLSH) 439 lios->c_lflag |= LINUX_NOFLSH; 440 if (bios->c_lflag & TOSTOP) 441 lios->c_lflag |= LINUX_TOSTOP; 442 if (bios->c_lflag & ECHOCTL) 443 lios->c_lflag |= LINUX_ECHOCTL; 444 if (bios->c_lflag & ECHOPRT) 445 lios->c_lflag |= LINUX_ECHOPRT; 446 if (bios->c_lflag & ECHOKE) 447 lios->c_lflag |= LINUX_ECHOKE; 448 if (bios->c_lflag & FLUSHO) 449 lios->c_lflag |= LINUX_FLUSHO; 450 if (bios->c_lflag & PENDIN) 451 lios->c_lflag |= LINUX_PENDIN; 452 if (bios->c_lflag & IEXTEN) 453 lios->c_lflag |= LINUX_IEXTEN; 454 455 for (i=0; i<LINUX_NCCS; i++) 456 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 457 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 458 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 459 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 460 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 461 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 462 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 463 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 464 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 465 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 466 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 467 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 468 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 469 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 470 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 471 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 472 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 473 474 for (i=0; i<LINUX_NCCS; i++) { 475 if (i != LINUX_VMIN && i != LINUX_VTIME && 476 lios->c_cc[i] == _POSIX_VDISABLE) 477 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 478 } 479 lios->c_line = 0; 480 481 #ifdef DEBUG 482 if (ldebug(ioctl)) { 483 printf("LINUX: LINUX termios structure (output):\n"); 484 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 485 lios->c_iflag, lios->c_oflag, lios->c_cflag, 486 lios->c_lflag, (int)lios->c_line); 487 printf("c_cc "); 488 for (i=0; i<LINUX_NCCS; i++) 489 printf("%02x ", lios->c_cc[i]); 490 printf("\n"); 491 } 492 #endif 493 } 494 495 static void 496 linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 497 { 498 int i; 499 500 #ifdef DEBUG 501 if (ldebug(ioctl)) { 502 printf("LINUX: LINUX termios structure (input):\n"); 503 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 504 lios->c_iflag, lios->c_oflag, lios->c_cflag, 505 lios->c_lflag, (int)lios->c_line); 506 printf("c_cc "); 507 for (i=0; i<LINUX_NCCS; i++) 508 printf("%02x ", lios->c_cc[i]); 509 printf("\n"); 510 } 511 #endif 512 513 bios->c_iflag = 0; 514 if (lios->c_iflag & LINUX_IGNBRK) 515 bios->c_iflag |= IGNBRK; 516 if (lios->c_iflag & LINUX_BRKINT) 517 bios->c_iflag |= BRKINT; 518 if (lios->c_iflag & LINUX_IGNPAR) 519 bios->c_iflag |= IGNPAR; 520 if (lios->c_iflag & LINUX_PARMRK) 521 bios->c_iflag |= PARMRK; 522 if (lios->c_iflag & LINUX_INPCK) 523 bios->c_iflag |= INPCK; 524 if (lios->c_iflag & LINUX_ISTRIP) 525 bios->c_iflag |= ISTRIP; 526 if (lios->c_iflag & LINUX_INLCR) 527 bios->c_iflag |= INLCR; 528 if (lios->c_iflag & LINUX_IGNCR) 529 bios->c_iflag |= IGNCR; 530 if (lios->c_iflag & LINUX_ICRNL) 531 bios->c_iflag |= ICRNL; 532 if (lios->c_iflag & LINUX_IXON) 533 bios->c_iflag |= IXON; 534 if (lios->c_iflag & LINUX_IXANY) 535 bios->c_iflag |= IXANY; 536 if (lios->c_iflag & LINUX_IXOFF) 537 bios->c_iflag |= IXOFF; 538 if (lios->c_iflag & LINUX_IMAXBEL) 539 bios->c_iflag |= IMAXBEL; 540 541 bios->c_oflag = 0; 542 if (lios->c_oflag & LINUX_OPOST) 543 bios->c_oflag |= OPOST; 544 if (lios->c_oflag & LINUX_ONLCR) 545 bios->c_oflag |= ONLCR; 546 if (lios->c_oflag & LINUX_XTABS) 547 bios->c_oflag |= TAB3; 548 549 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 550 if (lios->c_cflag & LINUX_CSTOPB) 551 bios->c_cflag |= CSTOPB; 552 if (lios->c_cflag & LINUX_CREAD) 553 bios->c_cflag |= CREAD; 554 if (lios->c_cflag & LINUX_PARENB) 555 bios->c_cflag |= PARENB; 556 if (lios->c_cflag & LINUX_PARODD) 557 bios->c_cflag |= PARODD; 558 if (lios->c_cflag & LINUX_HUPCL) 559 bios->c_cflag |= HUPCL; 560 if (lios->c_cflag & LINUX_CLOCAL) 561 bios->c_cflag |= CLOCAL; 562 if (lios->c_cflag & LINUX_CRTSCTS) 563 bios->c_cflag |= CRTSCTS; 564 565 bios->c_lflag = 0; 566 if (lios->c_lflag & LINUX_ISIG) 567 bios->c_lflag |= ISIG; 568 if (lios->c_lflag & LINUX_ICANON) 569 bios->c_lflag |= ICANON; 570 if (lios->c_lflag & LINUX_ECHO) 571 bios->c_lflag |= ECHO; 572 if (lios->c_lflag & LINUX_ECHOE) 573 bios->c_lflag |= ECHOE; 574 if (lios->c_lflag & LINUX_ECHOK) 575 bios->c_lflag |= ECHOK; 576 if (lios->c_lflag & LINUX_ECHONL) 577 bios->c_lflag |= ECHONL; 578 if (lios->c_lflag & LINUX_NOFLSH) 579 bios->c_lflag |= NOFLSH; 580 if (lios->c_lflag & LINUX_TOSTOP) 581 bios->c_lflag |= TOSTOP; 582 if (lios->c_lflag & LINUX_ECHOCTL) 583 bios->c_lflag |= ECHOCTL; 584 if (lios->c_lflag & LINUX_ECHOPRT) 585 bios->c_lflag |= ECHOPRT; 586 if (lios->c_lflag & LINUX_ECHOKE) 587 bios->c_lflag |= ECHOKE; 588 if (lios->c_lflag & LINUX_FLUSHO) 589 bios->c_lflag |= FLUSHO; 590 if (lios->c_lflag & LINUX_PENDIN) 591 bios->c_lflag |= PENDIN; 592 if (lios->c_lflag & LINUX_IEXTEN) 593 bios->c_lflag |= IEXTEN; 594 595 for (i=0; i<NCCS; i++) 596 bios->c_cc[i] = _POSIX_VDISABLE; 597 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 598 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 599 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 600 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 601 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 602 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 603 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 604 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 605 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 606 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 607 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 608 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 609 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 610 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 611 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 612 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 613 614 for (i=0; i<NCCS; i++) { 615 if (i != VMIN && i != VTIME && 616 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 617 bios->c_cc[i] = _POSIX_VDISABLE; 618 } 619 620 bios->c_ispeed = bios->c_ospeed = 621 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 622 623 #ifdef DEBUG 624 if (ldebug(ioctl)) { 625 printf("LINUX: BSD termios structure (output):\n"); 626 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 627 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 628 bios->c_ispeed, bios->c_ospeed); 629 printf("c_cc "); 630 for (i=0; i<NCCS; i++) 631 printf("%02x ", bios->c_cc[i]); 632 printf("\n"); 633 } 634 #endif 635 } 636 637 static void 638 bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 639 { 640 struct linux_termios lios; 641 642 bsd_to_linux_termios(bios, &lios); 643 lio->c_iflag = lios.c_iflag; 644 lio->c_oflag = lios.c_oflag; 645 lio->c_cflag = lios.c_cflag; 646 lio->c_lflag = lios.c_lflag; 647 lio->c_line = lios.c_line; 648 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 649 } 650 651 static void 652 linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 653 { 654 struct linux_termios lios; 655 int i; 656 657 lios.c_iflag = lio->c_iflag; 658 lios.c_oflag = lio->c_oflag; 659 lios.c_cflag = lio->c_cflag; 660 lios.c_lflag = lio->c_lflag; 661 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 662 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 663 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 664 linux_to_bsd_termios(&lios, bios); 665 } 666 667 static int 668 linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 669 { 670 struct termios bios; 671 struct linux_termios lios; 672 struct linux_termio lio; 673 struct file *fp; 674 int error; 675 676 if ((error = fget(td, args->fd, &fp)) != 0) 677 return (error); 678 679 switch (args->cmd & 0xffff) { 680 681 case LINUX_TCGETS: 682 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 683 td); 684 if (error) 685 break; 686 bsd_to_linux_termios(&bios, &lios); 687 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 688 break; 689 690 case LINUX_TCSETS: 691 error = copyin((void *)args->arg, &lios, sizeof(lios)); 692 if (error) 693 break; 694 linux_to_bsd_termios(&lios, &bios); 695 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 696 td)); 697 break; 698 699 case LINUX_TCSETSW: 700 error = copyin((void *)args->arg, &lios, sizeof(lios)); 701 if (error) 702 break; 703 linux_to_bsd_termios(&lios, &bios); 704 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 705 td)); 706 break; 707 708 case LINUX_TCSETSF: 709 error = copyin((void *)args->arg, &lios, sizeof(lios)); 710 if (error) 711 break; 712 linux_to_bsd_termios(&lios, &bios); 713 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 714 td)); 715 break; 716 717 case LINUX_TCGETA: 718 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 719 td); 720 if (error) 721 break; 722 bsd_to_linux_termio(&bios, &lio); 723 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 724 break; 725 726 case LINUX_TCSETA: 727 error = copyin((void *)args->arg, &lio, sizeof(lio)); 728 if (error) 729 break; 730 linux_to_bsd_termio(&lio, &bios); 731 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 732 td)); 733 break; 734 735 case LINUX_TCSETAW: 736 error = copyin((void *)args->arg, &lio, sizeof(lio)); 737 if (error) 738 break; 739 linux_to_bsd_termio(&lio, &bios); 740 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 741 td)); 742 break; 743 744 case LINUX_TCSETAF: 745 error = copyin((void *)args->arg, &lio, sizeof(lio)); 746 if (error) 747 break; 748 linux_to_bsd_termio(&lio, &bios); 749 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 750 td)); 751 break; 752 753 /* LINUX_TCSBRK */ 754 755 case LINUX_TCXONC: { 756 switch (args->arg) { 757 case LINUX_TCOOFF: 758 args->cmd = TIOCSTOP; 759 break; 760 case LINUX_TCOON: 761 args->cmd = TIOCSTART; 762 break; 763 case LINUX_TCIOFF: 764 case LINUX_TCION: { 765 int c; 766 struct write_args wr; 767 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 768 td->td_ucred, td); 769 if (error) 770 break; 771 fdrop(fp, td); 772 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 773 c = bios.c_cc[c]; 774 if (c != _POSIX_VDISABLE) { 775 wr.fd = args->fd; 776 wr.buf = &c; 777 wr.nbyte = sizeof(c); 778 return (write(td, &wr)); 779 } else 780 return (0); 781 } 782 default: 783 fdrop(fp, td); 784 return (EINVAL); 785 } 786 args->arg = 0; 787 error = (ioctl(td, (struct ioctl_args *)args)); 788 break; 789 } 790 791 case LINUX_TCFLSH: { 792 int val; 793 switch (args->arg) { 794 case LINUX_TCIFLUSH: 795 val = FREAD; 796 break; 797 case LINUX_TCOFLUSH: 798 val = FWRITE; 799 break; 800 case LINUX_TCIOFLUSH: 801 val = FREAD | FWRITE; 802 break; 803 default: 804 fdrop(fp, td); 805 return (EINVAL); 806 } 807 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 808 break; 809 } 810 811 case LINUX_TIOCEXCL: 812 args->cmd = TIOCEXCL; 813 error = (ioctl(td, (struct ioctl_args *)args)); 814 break; 815 816 case LINUX_TIOCNXCL: 817 args->cmd = TIOCNXCL; 818 error = (ioctl(td, (struct ioctl_args *)args)); 819 break; 820 821 case LINUX_TIOCSCTTY: 822 args->cmd = TIOCSCTTY; 823 error = (ioctl(td, (struct ioctl_args *)args)); 824 break; 825 826 case LINUX_TIOCGPGRP: 827 args->cmd = TIOCGPGRP; 828 error = (ioctl(td, (struct ioctl_args *)args)); 829 break; 830 831 case LINUX_TIOCSPGRP: 832 args->cmd = TIOCSPGRP; 833 error = (ioctl(td, (struct ioctl_args *)args)); 834 break; 835 836 /* LINUX_TIOCOUTQ */ 837 /* LINUX_TIOCSTI */ 838 839 case LINUX_TIOCGWINSZ: 840 args->cmd = TIOCGWINSZ; 841 error = (ioctl(td, (struct ioctl_args *)args)); 842 break; 843 844 case LINUX_TIOCSWINSZ: 845 args->cmd = TIOCSWINSZ; 846 error = (ioctl(td, (struct ioctl_args *)args)); 847 break; 848 849 case LINUX_TIOCMGET: 850 args->cmd = TIOCMGET; 851 error = (ioctl(td, (struct ioctl_args *)args)); 852 break; 853 854 case LINUX_TIOCMBIS: 855 args->cmd = TIOCMBIS; 856 error = (ioctl(td, (struct ioctl_args *)args)); 857 break; 858 859 case LINUX_TIOCMBIC: 860 args->cmd = TIOCMBIC; 861 error = (ioctl(td, (struct ioctl_args *)args)); 862 break; 863 864 case LINUX_TIOCMSET: 865 args->cmd = TIOCMSET; 866 error = (ioctl(td, (struct ioctl_args *)args)); 867 break; 868 869 /* TIOCGSOFTCAR */ 870 /* TIOCSSOFTCAR */ 871 872 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 873 args->cmd = FIONREAD; 874 error = (ioctl(td, (struct ioctl_args *)args)); 875 break; 876 877 /* LINUX_TIOCLINUX */ 878 879 case LINUX_TIOCCONS: 880 args->cmd = TIOCCONS; 881 error = (ioctl(td, (struct ioctl_args *)args)); 882 break; 883 884 case LINUX_TIOCGSERIAL: { 885 struct linux_serial_struct lss; 886 lss.type = LINUX_PORT_16550A; 887 lss.flags = 0; 888 lss.close_delay = 0; 889 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 890 break; 891 } 892 893 case LINUX_TIOCSSERIAL: { 894 struct linux_serial_struct lss; 895 error = copyin((void *)args->arg, &lss, sizeof(lss)); 896 if (error) 897 break; 898 /* XXX - It really helps to have an implementation that 899 * does nothing. NOT! 900 */ 901 error = 0; 902 break; 903 } 904 905 case LINUX_TIOCPKT: 906 args->cmd = TIOCPKT; 907 error = (ioctl(td, (struct ioctl_args *)args)); 908 break; 909 910 case LINUX_FIONBIO: 911 args->cmd = FIONBIO; 912 error = (ioctl(td, (struct ioctl_args *)args)); 913 break; 914 915 case LINUX_TIOCNOTTY: 916 args->cmd = TIOCNOTTY; 917 error = (ioctl(td, (struct ioctl_args *)args)); 918 break; 919 920 case LINUX_TIOCSETD: { 921 int line; 922 switch (args->arg) { 923 case LINUX_N_TTY: 924 line = TTYDISC; 925 break; 926 case LINUX_N_SLIP: 927 line = SLIPDISC; 928 break; 929 case LINUX_N_PPP: 930 line = PPPDISC; 931 break; 932 default: 933 fdrop(fp, td); 934 return (EINVAL); 935 } 936 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 937 td)); 938 break; 939 } 940 941 case LINUX_TIOCGETD: { 942 int linux_line; 943 int bsd_line = TTYDISC; 944 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 945 td->td_ucred, td); 946 if (error) 947 return (error); 948 switch (bsd_line) { 949 case TTYDISC: 950 linux_line = LINUX_N_TTY; 951 break; 952 case SLIPDISC: 953 linux_line = LINUX_N_SLIP; 954 break; 955 case PPPDISC: 956 linux_line = LINUX_N_PPP; 957 break; 958 default: 959 fdrop(fp, td); 960 return (EINVAL); 961 } 962 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 963 break; 964 } 965 966 /* LINUX_TCSBRKP */ 967 /* LINUX_TIOCTTYGSTRUCT */ 968 969 case LINUX_FIONCLEX: 970 args->cmd = FIONCLEX; 971 error = (ioctl(td, (struct ioctl_args *)args)); 972 break; 973 974 case LINUX_FIOCLEX: 975 args->cmd = FIOCLEX; 976 error = (ioctl(td, (struct ioctl_args *)args)); 977 break; 978 979 case LINUX_FIOASYNC: 980 args->cmd = FIOASYNC; 981 error = (ioctl(td, (struct ioctl_args *)args)); 982 break; 983 984 /* LINUX_TIOCSERCONFIG */ 985 /* LINUX_TIOCSERGWILD */ 986 /* LINUX_TIOCSERSWILD */ 987 /* LINUX_TIOCGLCKTRMIOS */ 988 /* LINUX_TIOCSLCKTRMIOS */ 989 990 case LINUX_TIOCSBRK: 991 args->cmd = TIOCSBRK; 992 error = (ioctl(td, (struct ioctl_args *)args)); 993 break; 994 995 case LINUX_TIOCCBRK: 996 args->cmd = TIOCCBRK; 997 error = (ioctl(td, (struct ioctl_args *)args)); 998 break; 999 case LINUX_TIOCGPTN: { 1000 int nb; 1001 1002 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1003 if (!error) 1004 error = copyout(&nb, (void *)args->arg, 1005 sizeof(int)); 1006 break; 1007 } 1008 case LINUX_TIOCSPTLCK: 1009 /* Our unlockpt() does nothing. */ 1010 error = 0; 1011 break; 1012 default: 1013 error = ENOIOCTL; 1014 break; 1015 } 1016 1017 fdrop(fp, td); 1018 return (error); 1019 } 1020 1021 /* 1022 * CDROM related ioctls 1023 */ 1024 1025 struct linux_cdrom_msf 1026 { 1027 u_char cdmsf_min0; 1028 u_char cdmsf_sec0; 1029 u_char cdmsf_frame0; 1030 u_char cdmsf_min1; 1031 u_char cdmsf_sec1; 1032 u_char cdmsf_frame1; 1033 }; 1034 1035 struct linux_cdrom_tochdr 1036 { 1037 u_char cdth_trk0; 1038 u_char cdth_trk1; 1039 }; 1040 1041 union linux_cdrom_addr 1042 { 1043 struct { 1044 u_char minute; 1045 u_char second; 1046 u_char frame; 1047 } msf; 1048 int lba; 1049 }; 1050 1051 struct linux_cdrom_tocentry 1052 { 1053 u_char cdte_track; 1054 u_char cdte_adr:4; 1055 u_char cdte_ctrl:4; 1056 u_char cdte_format; 1057 union linux_cdrom_addr cdte_addr; 1058 u_char cdte_datamode; 1059 }; 1060 1061 struct linux_cdrom_subchnl 1062 { 1063 u_char cdsc_format; 1064 u_char cdsc_audiostatus; 1065 u_char cdsc_adr:4; 1066 u_char cdsc_ctrl:4; 1067 u_char cdsc_trk; 1068 u_char cdsc_ind; 1069 union linux_cdrom_addr cdsc_absaddr; 1070 union linux_cdrom_addr cdsc_reladdr; 1071 }; 1072 1073 struct l_cdrom_read_audio { 1074 union linux_cdrom_addr addr; 1075 u_char addr_format; 1076 l_int nframes; 1077 u_char *buf; 1078 }; 1079 1080 struct l_dvd_layer { 1081 u_char book_version:4; 1082 u_char book_type:4; 1083 u_char min_rate:4; 1084 u_char disc_size:4; 1085 u_char layer_type:4; 1086 u_char track_path:1; 1087 u_char nlayers:2; 1088 u_char track_density:4; 1089 u_char linear_density:4; 1090 u_char bca:1; 1091 u_int32_t start_sector; 1092 u_int32_t end_sector; 1093 u_int32_t end_sector_l0; 1094 }; 1095 1096 struct l_dvd_physical { 1097 u_char type; 1098 u_char layer_num; 1099 struct l_dvd_layer layer[4]; 1100 }; 1101 1102 struct l_dvd_copyright { 1103 u_char type; 1104 u_char layer_num; 1105 u_char cpst; 1106 u_char rmi; 1107 }; 1108 1109 struct l_dvd_disckey { 1110 u_char type; 1111 l_uint agid:2; 1112 u_char value[2048]; 1113 }; 1114 1115 struct l_dvd_bca { 1116 u_char type; 1117 l_int len; 1118 u_char value[188]; 1119 }; 1120 1121 struct l_dvd_manufact { 1122 u_char type; 1123 u_char layer_num; 1124 l_int len; 1125 u_char value[2048]; 1126 }; 1127 1128 typedef union { 1129 u_char type; 1130 struct l_dvd_physical physical; 1131 struct l_dvd_copyright copyright; 1132 struct l_dvd_disckey disckey; 1133 struct l_dvd_bca bca; 1134 struct l_dvd_manufact manufact; 1135 } l_dvd_struct; 1136 1137 typedef u_char l_dvd_key[5]; 1138 typedef u_char l_dvd_challenge[10]; 1139 1140 struct l_dvd_lu_send_agid { 1141 u_char type; 1142 l_uint agid:2; 1143 }; 1144 1145 struct l_dvd_host_send_challenge { 1146 u_char type; 1147 l_uint agid:2; 1148 l_dvd_challenge chal; 1149 }; 1150 1151 struct l_dvd_send_key { 1152 u_char type; 1153 l_uint agid:2; 1154 l_dvd_key key; 1155 }; 1156 1157 struct l_dvd_lu_send_challenge { 1158 u_char type; 1159 l_uint agid:2; 1160 l_dvd_challenge chal; 1161 }; 1162 1163 struct l_dvd_lu_send_title_key { 1164 u_char type; 1165 l_uint agid:2; 1166 l_dvd_key title_key; 1167 l_int lba; 1168 l_uint cpm:1; 1169 l_uint cp_sec:1; 1170 l_uint cgms:2; 1171 }; 1172 1173 struct l_dvd_lu_send_asf { 1174 u_char type; 1175 l_uint agid:2; 1176 l_uint asf:1; 1177 }; 1178 1179 struct l_dvd_host_send_rpcstate { 1180 u_char type; 1181 u_char pdrc; 1182 }; 1183 1184 struct l_dvd_lu_send_rpcstate { 1185 u_char type:2; 1186 u_char vra:3; 1187 u_char ucca:3; 1188 u_char region_mask; 1189 u_char rpc_scheme; 1190 }; 1191 1192 typedef union { 1193 u_char type; 1194 struct l_dvd_lu_send_agid lsa; 1195 struct l_dvd_host_send_challenge hsc; 1196 struct l_dvd_send_key lsk; 1197 struct l_dvd_lu_send_challenge lsc; 1198 struct l_dvd_send_key hsk; 1199 struct l_dvd_lu_send_title_key lstk; 1200 struct l_dvd_lu_send_asf lsasf; 1201 struct l_dvd_host_send_rpcstate hrpcs; 1202 struct l_dvd_lu_send_rpcstate lrpcs; 1203 } l_dvd_authinfo; 1204 1205 static void 1206 bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1207 { 1208 if (af == CD_LBA_FORMAT) 1209 lp->lba = bp->lba; 1210 else { 1211 lp->msf.minute = bp->msf.minute; 1212 lp->msf.second = bp->msf.second; 1213 lp->msf.frame = bp->msf.frame; 1214 } 1215 } 1216 1217 static void 1218 set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1219 { 1220 if (format == LINUX_CDROM_MSF) { 1221 addr->msf.frame = lba % 75; 1222 lba /= 75; 1223 lba += 2; 1224 addr->msf.second = lba % 60; 1225 addr->msf.minute = lba / 60; 1226 } else 1227 addr->lba = lba; 1228 } 1229 1230 static int 1231 linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1232 { 1233 bp->format = lp->type; 1234 switch (bp->format) { 1235 case DVD_STRUCT_PHYSICAL: 1236 if (bp->layer_num >= 4) 1237 return (EINVAL); 1238 bp->layer_num = lp->physical.layer_num; 1239 break; 1240 case DVD_STRUCT_COPYRIGHT: 1241 bp->layer_num = lp->copyright.layer_num; 1242 break; 1243 case DVD_STRUCT_DISCKEY: 1244 bp->agid = lp->disckey.agid; 1245 break; 1246 case DVD_STRUCT_BCA: 1247 case DVD_STRUCT_MANUFACT: 1248 break; 1249 default: 1250 return (EINVAL); 1251 } 1252 return (0); 1253 } 1254 1255 static int 1256 bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1257 { 1258 switch (bp->format) { 1259 case DVD_STRUCT_PHYSICAL: { 1260 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1261 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1262 memset(llp, 0, sizeof(*llp)); 1263 llp->book_version = blp->book_version; 1264 llp->book_type = blp->book_type; 1265 llp->min_rate = blp->max_rate; 1266 llp->disc_size = blp->disc_size; 1267 llp->layer_type = blp->layer_type; 1268 llp->track_path = blp->track_path; 1269 llp->nlayers = blp->nlayers; 1270 llp->track_density = blp->track_density; 1271 llp->linear_density = blp->linear_density; 1272 llp->bca = blp->bca; 1273 llp->start_sector = blp->start_sector; 1274 llp->end_sector = blp->end_sector; 1275 llp->end_sector_l0 = blp->end_sector_l0; 1276 break; 1277 } 1278 case DVD_STRUCT_COPYRIGHT: 1279 lp->copyright.cpst = bp->cpst; 1280 lp->copyright.rmi = bp->rmi; 1281 break; 1282 case DVD_STRUCT_DISCKEY: 1283 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1284 break; 1285 case DVD_STRUCT_BCA: 1286 lp->bca.len = bp->length; 1287 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1288 break; 1289 case DVD_STRUCT_MANUFACT: 1290 lp->manufact.len = bp->length; 1291 memcpy(lp->manufact.value, bp->data, 1292 sizeof(lp->manufact.value)); 1293 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1294 break; 1295 default: 1296 return (EINVAL); 1297 } 1298 return (0); 1299 } 1300 1301 static int 1302 linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1303 struct dvd_authinfo *bp) 1304 { 1305 switch (lp->type) { 1306 case LINUX_DVD_LU_SEND_AGID: 1307 *bcode = DVDIOCREPORTKEY; 1308 bp->format = DVD_REPORT_AGID; 1309 bp->agid = lp->lsa.agid; 1310 break; 1311 case LINUX_DVD_HOST_SEND_CHALLENGE: 1312 *bcode = DVDIOCSENDKEY; 1313 bp->format = DVD_SEND_CHALLENGE; 1314 bp->agid = lp->hsc.agid; 1315 memcpy(bp->keychal, lp->hsc.chal, 10); 1316 break; 1317 case LINUX_DVD_LU_SEND_KEY1: 1318 *bcode = DVDIOCREPORTKEY; 1319 bp->format = DVD_REPORT_KEY1; 1320 bp->agid = lp->lsk.agid; 1321 break; 1322 case LINUX_DVD_LU_SEND_CHALLENGE: 1323 *bcode = DVDIOCREPORTKEY; 1324 bp->format = DVD_REPORT_CHALLENGE; 1325 bp->agid = lp->lsc.agid; 1326 break; 1327 case LINUX_DVD_HOST_SEND_KEY2: 1328 *bcode = DVDIOCSENDKEY; 1329 bp->format = DVD_SEND_KEY2; 1330 bp->agid = lp->hsk.agid; 1331 memcpy(bp->keychal, lp->hsk.key, 5); 1332 break; 1333 case LINUX_DVD_LU_SEND_TITLE_KEY: 1334 *bcode = DVDIOCREPORTKEY; 1335 bp->format = DVD_REPORT_TITLE_KEY; 1336 bp->agid = lp->lstk.agid; 1337 bp->lba = lp->lstk.lba; 1338 break; 1339 case LINUX_DVD_LU_SEND_ASF: 1340 *bcode = DVDIOCREPORTKEY; 1341 bp->format = DVD_REPORT_ASF; 1342 bp->agid = lp->lsasf.agid; 1343 break; 1344 case LINUX_DVD_INVALIDATE_AGID: 1345 *bcode = DVDIOCREPORTKEY; 1346 bp->format = DVD_INVALIDATE_AGID; 1347 bp->agid = lp->lsa.agid; 1348 break; 1349 case LINUX_DVD_LU_SEND_RPC_STATE: 1350 *bcode = DVDIOCREPORTKEY; 1351 bp->format = DVD_REPORT_RPC; 1352 break; 1353 case LINUX_DVD_HOST_SEND_RPC_STATE: 1354 *bcode = DVDIOCSENDKEY; 1355 bp->format = DVD_SEND_RPC; 1356 bp->region = lp->hrpcs.pdrc; 1357 break; 1358 default: 1359 return (EINVAL); 1360 } 1361 return (0); 1362 } 1363 1364 static int 1365 bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1366 { 1367 switch (lp->type) { 1368 case LINUX_DVD_LU_SEND_AGID: 1369 lp->lsa.agid = bp->agid; 1370 break; 1371 case LINUX_DVD_HOST_SEND_CHALLENGE: 1372 lp->type = LINUX_DVD_LU_SEND_KEY1; 1373 break; 1374 case LINUX_DVD_LU_SEND_KEY1: 1375 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1376 break; 1377 case LINUX_DVD_LU_SEND_CHALLENGE: 1378 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1379 break; 1380 case LINUX_DVD_HOST_SEND_KEY2: 1381 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1382 break; 1383 case LINUX_DVD_LU_SEND_TITLE_KEY: 1384 memcpy(lp->lstk.title_key, bp->keychal, 1385 sizeof(lp->lstk.title_key)); 1386 lp->lstk.cpm = bp->cpm; 1387 lp->lstk.cp_sec = bp->cp_sec; 1388 lp->lstk.cgms = bp->cgms; 1389 break; 1390 case LINUX_DVD_LU_SEND_ASF: 1391 lp->lsasf.asf = bp->asf; 1392 break; 1393 case LINUX_DVD_INVALIDATE_AGID: 1394 break; 1395 case LINUX_DVD_LU_SEND_RPC_STATE: 1396 lp->lrpcs.type = bp->reg_type; 1397 lp->lrpcs.vra = bp->vend_rsts; 1398 lp->lrpcs.ucca = bp->user_rsts; 1399 lp->lrpcs.region_mask = bp->region; 1400 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1401 break; 1402 case LINUX_DVD_HOST_SEND_RPC_STATE: 1403 break; 1404 default: 1405 return (EINVAL); 1406 } 1407 return (0); 1408 } 1409 1410 static int 1411 linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1412 { 1413 struct file *fp; 1414 int error; 1415 1416 if ((error = fget(td, args->fd, &fp)) != 0) 1417 return (error); 1418 switch (args->cmd & 0xffff) { 1419 1420 case LINUX_CDROMPAUSE: 1421 args->cmd = CDIOCPAUSE; 1422 error = (ioctl(td, (struct ioctl_args *)args)); 1423 break; 1424 1425 case LINUX_CDROMRESUME: 1426 args->cmd = CDIOCRESUME; 1427 error = (ioctl(td, (struct ioctl_args *)args)); 1428 break; 1429 1430 case LINUX_CDROMPLAYMSF: 1431 args->cmd = CDIOCPLAYMSF; 1432 error = (ioctl(td, (struct ioctl_args *)args)); 1433 break; 1434 1435 case LINUX_CDROMPLAYTRKIND: 1436 args->cmd = CDIOCPLAYTRACKS; 1437 error = (ioctl(td, (struct ioctl_args *)args)); 1438 break; 1439 1440 case LINUX_CDROMREADTOCHDR: { 1441 struct ioc_toc_header th; 1442 struct linux_cdrom_tochdr lth; 1443 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1444 td->td_ucred, td); 1445 if (!error) { 1446 lth.cdth_trk0 = th.starting_track; 1447 lth.cdth_trk1 = th.ending_track; 1448 copyout(<h, (void *)args->arg, sizeof(lth)); 1449 } 1450 break; 1451 } 1452 1453 case LINUX_CDROMREADTOCENTRY: { 1454 struct linux_cdrom_tocentry lte; 1455 struct ioc_read_toc_single_entry irtse; 1456 1457 error = copyin((void *)args->arg, <e, sizeof(lte)); 1458 if (error) 1459 break; 1460 irtse.address_format = lte.cdte_format; 1461 irtse.track = lte.cdte_track; 1462 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1463 td->td_ucred, td); 1464 if (!error) { 1465 lte.cdte_ctrl = irtse.entry.control; 1466 lte.cdte_adr = irtse.entry.addr_type; 1467 bsd_to_linux_msf_lba(irtse.address_format, 1468 &irtse.entry.addr, <e.cdte_addr); 1469 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1470 } 1471 break; 1472 } 1473 1474 case LINUX_CDROMSTOP: 1475 args->cmd = CDIOCSTOP; 1476 error = (ioctl(td, (struct ioctl_args *)args)); 1477 break; 1478 1479 case LINUX_CDROMSTART: 1480 args->cmd = CDIOCSTART; 1481 error = (ioctl(td, (struct ioctl_args *)args)); 1482 break; 1483 1484 case LINUX_CDROMEJECT: 1485 args->cmd = CDIOCEJECT; 1486 error = (ioctl(td, (struct ioctl_args *)args)); 1487 break; 1488 1489 /* LINUX_CDROMVOLCTRL */ 1490 1491 case LINUX_CDROMSUBCHNL: { 1492 struct linux_cdrom_subchnl sc; 1493 struct ioc_read_subchannel bsdsc; 1494 struct cd_sub_channel_info bsdinfo; 1495 1496 bsdsc.address_format = CD_LBA_FORMAT; 1497 bsdsc.data_format = CD_CURRENT_POSITION; 1498 bsdsc.track = 0; 1499 bsdsc.data_len = sizeof(bsdinfo); 1500 bsdsc.data = &bsdinfo; 1501 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1502 (caddr_t)&bsdsc, td->td_ucred, td); 1503 if (error) 1504 break; 1505 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1506 if (error) 1507 break; 1508 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1509 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1510 sc.cdsc_ctrl = bsdinfo.what.position.control; 1511 sc.cdsc_trk = bsdinfo.what.position.track_number; 1512 sc.cdsc_ind = bsdinfo.what.position.index_number; 1513 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1514 bsdinfo.what.position.absaddr.lba); 1515 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1516 bsdinfo.what.position.reladdr.lba); 1517 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1518 break; 1519 } 1520 1521 /* LINUX_CDROMREADMODE2 */ 1522 /* LINUX_CDROMREADMODE1 */ 1523 /* LINUX_CDROMREADAUDIO */ 1524 /* LINUX_CDROMEJECT_SW */ 1525 /* LINUX_CDROMMULTISESSION */ 1526 /* LINUX_CDROM_GET_UPC */ 1527 1528 case LINUX_CDROMRESET: 1529 args->cmd = CDIOCRESET; 1530 error = (ioctl(td, (struct ioctl_args *)args)); 1531 break; 1532 1533 /* LINUX_CDROMVOLREAD */ 1534 /* LINUX_CDROMREADRAW */ 1535 /* LINUX_CDROMREADCOOKED */ 1536 /* LINUX_CDROMSEEK */ 1537 /* LINUX_CDROMPLAYBLK */ 1538 /* LINUX_CDROMREADALL */ 1539 /* LINUX_CDROMCLOSETRAY */ 1540 /* LINUX_CDROMLOADFROMSLOT */ 1541 /* LINUX_CDROMGETSPINDOWN */ 1542 /* LINUX_CDROMSETSPINDOWN */ 1543 /* LINUX_CDROM_SET_OPTIONS */ 1544 /* LINUX_CDROM_CLEAR_OPTIONS */ 1545 /* LINUX_CDROM_SELECT_SPEED */ 1546 /* LINUX_CDROM_SELECT_DISC */ 1547 /* LINUX_CDROM_MEDIA_CHANGED */ 1548 /* LINUX_CDROM_DRIVE_STATUS */ 1549 /* LINUX_CDROM_DISC_STATUS */ 1550 /* LINUX_CDROM_CHANGER_NSLOTS */ 1551 /* LINUX_CDROM_LOCKDOOR */ 1552 /* LINUX_CDROM_DEBUG */ 1553 /* LINUX_CDROM_GET_CAPABILITY */ 1554 /* LINUX_CDROMAUDIOBUFSIZ */ 1555 1556 case LINUX_DVD_READ_STRUCT: { 1557 l_dvd_struct *lds; 1558 struct dvd_struct *bds; 1559 1560 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1561 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1562 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1563 if (error) 1564 goto out; 1565 error = linux_to_bsd_dvd_struct(lds, bds); 1566 if (error) 1567 goto out; 1568 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1569 td->td_ucred, td); 1570 if (error) 1571 goto out; 1572 error = bsd_to_linux_dvd_struct(bds, lds); 1573 if (error) 1574 goto out; 1575 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1576 out: 1577 free(bds, M_LINUX); 1578 free(lds, M_LINUX); 1579 break; 1580 } 1581 1582 /* LINUX_DVD_WRITE_STRUCT */ 1583 1584 case LINUX_DVD_AUTH: { 1585 l_dvd_authinfo lda; 1586 struct dvd_authinfo bda; 1587 int bcode; 1588 1589 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1590 if (error) 1591 break; 1592 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1593 if (error) 1594 break; 1595 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1596 td); 1597 if (error) { 1598 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1599 lda.type = LINUX_DVD_AUTH_FAILURE; 1600 copyout(&lda, (void *)args->arg, sizeof(lda)); 1601 } 1602 break; 1603 } 1604 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1605 if (error) 1606 break; 1607 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1608 break; 1609 } 1610 1611 case LINUX_SCSI_GET_BUS_NUMBER: 1612 case LINUX_SCSI_GET_IDLUN: 1613 error = linux_ioctl_sg(td, args); 1614 break; 1615 1616 /* LINUX_CDROM_SEND_PACKET */ 1617 /* LINUX_CDROM_NEXT_WRITABLE */ 1618 /* LINUX_CDROM_LAST_WRITTEN */ 1619 1620 default: 1621 error = ENOIOCTL; 1622 break; 1623 } 1624 1625 fdrop(fp, td); 1626 return (error); 1627 } 1628 1629 static int 1630 linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1631 { 1632 1633 return (ENOTTY); 1634 } 1635 1636 /* 1637 * Sound related ioctls 1638 */ 1639 1640 struct linux_mixer_info { 1641 char id[16]; 1642 char name[32]; 1643 int modify_counter; 1644 int fillers[10]; 1645 }; 1646 1647 struct linux_old_mixer_info { 1648 char id[16]; 1649 char name[32]; 1650 }; 1651 1652 static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1653 1654 #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1655 1656 static int 1657 linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1658 { 1659 1660 switch (args->cmd & 0xffff) { 1661 1662 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1663 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1664 return (ioctl(td, (struct ioctl_args *)args)); 1665 1666 case LINUX_SOUND_MIXER_WRITE_BASS: 1667 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1668 return (ioctl(td, (struct ioctl_args *)args)); 1669 1670 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1671 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1672 return (ioctl(td, (struct ioctl_args *)args)); 1673 1674 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1675 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1676 return (ioctl(td, (struct ioctl_args *)args)); 1677 1678 case LINUX_SOUND_MIXER_WRITE_PCM: 1679 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1680 return (ioctl(td, (struct ioctl_args *)args)); 1681 1682 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1683 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1684 return (ioctl(td, (struct ioctl_args *)args)); 1685 1686 case LINUX_SOUND_MIXER_WRITE_LINE: 1687 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1688 return (ioctl(td, (struct ioctl_args *)args)); 1689 1690 case LINUX_SOUND_MIXER_WRITE_MIC: 1691 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1692 return (ioctl(td, (struct ioctl_args *)args)); 1693 1694 case LINUX_SOUND_MIXER_WRITE_CD: 1695 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1696 return (ioctl(td, (struct ioctl_args *)args)); 1697 1698 case LINUX_SOUND_MIXER_WRITE_IMIX: 1699 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1700 return (ioctl(td, (struct ioctl_args *)args)); 1701 1702 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1703 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1704 return (ioctl(td, (struct ioctl_args *)args)); 1705 1706 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1707 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1708 return (ioctl(td, (struct ioctl_args *)args)); 1709 1710 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1711 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1712 return (ioctl(td, (struct ioctl_args *)args)); 1713 1714 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1716 return (ioctl(td, (struct ioctl_args *)args)); 1717 1718 case LINUX_SOUND_MIXER_WRITE_LINE1: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1720 return (ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_LINE2: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1724 return (ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_LINE3: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1728 return (ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_INFO: { 1731 /* Key on encoded length */ 1732 switch ((args->cmd >> 16) & 0x1fff) { 1733 case 0x005c: { /* SOUND_MIXER_INFO */ 1734 struct linux_mixer_info info; 1735 bzero(&info, sizeof(info)); 1736 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1737 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1738 copyout(&info, (void *)args->arg, sizeof(info)); 1739 break; 1740 } 1741 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1742 struct linux_old_mixer_info info; 1743 bzero(&info, sizeof(info)); 1744 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1745 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1746 copyout(&info, (void *)args->arg, sizeof(info)); 1747 break; 1748 } 1749 default: 1750 return (ENOIOCTL); 1751 } 1752 break; 1753 } 1754 1755 case LINUX_OSS_GETVERSION: { 1756 int version = linux_get_oss_version(td); 1757 return (copyout(&version, (void *)args->arg, sizeof(int))); 1758 } 1759 1760 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1761 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1762 return (ioctl(td, (struct ioctl_args *)args)); 1763 1764 case LINUX_SOUND_MIXER_READ_RECMASK: 1765 args->cmd = SOUND_MIXER_READ_RECMASK; 1766 return (ioctl(td, (struct ioctl_args *)args)); 1767 1768 case LINUX_SOUND_MIXER_READ_DEVMASK: 1769 args->cmd = SOUND_MIXER_READ_DEVMASK; 1770 return (ioctl(td, (struct ioctl_args *)args)); 1771 1772 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1773 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1774 return (ioctl(td, (struct ioctl_args *)args)); 1775 1776 case LINUX_SNDCTL_DSP_RESET: 1777 args->cmd = SNDCTL_DSP_RESET; 1778 return (ioctl(td, (struct ioctl_args *)args)); 1779 1780 case LINUX_SNDCTL_DSP_SYNC: 1781 args->cmd = SNDCTL_DSP_SYNC; 1782 return (ioctl(td, (struct ioctl_args *)args)); 1783 1784 case LINUX_SNDCTL_DSP_SPEED: 1785 args->cmd = SNDCTL_DSP_SPEED; 1786 return (ioctl(td, (struct ioctl_args *)args)); 1787 1788 case LINUX_SNDCTL_DSP_STEREO: 1789 args->cmd = SNDCTL_DSP_STEREO; 1790 return (ioctl(td, (struct ioctl_args *)args)); 1791 1792 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1793 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1794 return (ioctl(td, (struct ioctl_args *)args)); 1795 1796 case LINUX_SNDCTL_DSP_SETFMT: 1797 args->cmd = SNDCTL_DSP_SETFMT; 1798 return (ioctl(td, (struct ioctl_args *)args)); 1799 1800 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1801 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1802 return (ioctl(td, (struct ioctl_args *)args)); 1803 1804 case LINUX_SOUND_PCM_WRITE_FILTER: 1805 args->cmd = SOUND_PCM_WRITE_FILTER; 1806 return (ioctl(td, (struct ioctl_args *)args)); 1807 1808 case LINUX_SNDCTL_DSP_POST: 1809 args->cmd = SNDCTL_DSP_POST; 1810 return (ioctl(td, (struct ioctl_args *)args)); 1811 1812 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1813 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1814 return (ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1817 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1818 return (ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SNDCTL_DSP_GETFMTS: 1821 args->cmd = SNDCTL_DSP_GETFMTS; 1822 return (ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SNDCTL_DSP_GETOSPACE: 1825 args->cmd = SNDCTL_DSP_GETOSPACE; 1826 return (ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SNDCTL_DSP_GETISPACE: 1829 args->cmd = SNDCTL_DSP_GETISPACE; 1830 return (ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SNDCTL_DSP_NONBLOCK: 1833 args->cmd = SNDCTL_DSP_NONBLOCK; 1834 return (ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SNDCTL_DSP_GETCAPS: 1837 args->cmd = SNDCTL_DSP_GETCAPS; 1838 return (ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1841 args->cmd = SNDCTL_DSP_SETTRIGGER; 1842 return (ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SNDCTL_DSP_GETIPTR: 1845 args->cmd = SNDCTL_DSP_GETIPTR; 1846 return (ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SNDCTL_DSP_GETOPTR: 1849 args->cmd = SNDCTL_DSP_GETOPTR; 1850 return (ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SNDCTL_DSP_SETDUPLEX: 1853 args->cmd = SNDCTL_DSP_SETDUPLEX; 1854 return (ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SNDCTL_DSP_GETODELAY: 1857 args->cmd = SNDCTL_DSP_GETODELAY; 1858 return (ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SNDCTL_SEQ_RESET: 1861 args->cmd = SNDCTL_SEQ_RESET; 1862 return (ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_SEQ_SYNC: 1865 args->cmd = SNDCTL_SEQ_SYNC; 1866 return (ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_SYNTH_INFO: 1869 args->cmd = SNDCTL_SYNTH_INFO; 1870 return (ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_SEQ_CTRLRATE: 1873 args->cmd = SNDCTL_SEQ_CTRLRATE; 1874 return (ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1877 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1878 return (ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1881 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1882 return (ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_SEQ_PERCMODE: 1885 args->cmd = SNDCTL_SEQ_PERCMODE; 1886 return (ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_FM_LOAD_INSTR: 1889 args->cmd = SNDCTL_FM_LOAD_INSTR; 1890 return (ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_SEQ_TESTMIDI: 1893 args->cmd = SNDCTL_SEQ_TESTMIDI; 1894 return (ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1897 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1898 return (ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1901 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1902 return (ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_SEQ_NRMIDIS: 1905 args->cmd = SNDCTL_SEQ_NRMIDIS; 1906 return (ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_MIDI_INFO: 1909 args->cmd = SNDCTL_MIDI_INFO; 1910 return (ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_SEQ_TRESHOLD: 1913 args->cmd = SNDCTL_SEQ_TRESHOLD; 1914 return (ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SYNTH_MEMAVL: 1917 args->cmd = SNDCTL_SYNTH_MEMAVL; 1918 return (ioctl(td, (struct ioctl_args *)args)); 1919 1920 } 1921 1922 return (ENOIOCTL); 1923 } 1924 1925 /* 1926 * Console related ioctls 1927 */ 1928 1929 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1930 1931 static int 1932 linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1933 { 1934 struct file *fp; 1935 int error; 1936 1937 if ((error = fget(td, args->fd, &fp)) != 0) 1938 return (error); 1939 switch (args->cmd & 0xffff) { 1940 1941 case LINUX_KIOCSOUND: 1942 args->cmd = KIOCSOUND; 1943 error = (ioctl(td, (struct ioctl_args *)args)); 1944 break; 1945 1946 case LINUX_KDMKTONE: 1947 args->cmd = KDMKTONE; 1948 error = (ioctl(td, (struct ioctl_args *)args)); 1949 break; 1950 1951 case LINUX_KDGETLED: 1952 args->cmd = KDGETLED; 1953 error = (ioctl(td, (struct ioctl_args *)args)); 1954 break; 1955 1956 case LINUX_KDSETLED: 1957 args->cmd = KDSETLED; 1958 error = (ioctl(td, (struct ioctl_args *)args)); 1959 break; 1960 1961 case LINUX_KDSETMODE: 1962 args->cmd = KDSETMODE; 1963 error = (ioctl(td, (struct ioctl_args *)args)); 1964 break; 1965 1966 case LINUX_KDGETMODE: 1967 args->cmd = KDGETMODE; 1968 error = (ioctl(td, (struct ioctl_args *)args)); 1969 break; 1970 1971 case LINUX_KDGKBMODE: 1972 args->cmd = KDGKBMODE; 1973 error = (ioctl(td, (struct ioctl_args *)args)); 1974 break; 1975 1976 case LINUX_KDSKBMODE: { 1977 int kbdmode; 1978 switch (args->arg) { 1979 case LINUX_KBD_RAW: 1980 kbdmode = K_RAW; 1981 break; 1982 case LINUX_KBD_XLATE: 1983 kbdmode = K_XLATE; 1984 break; 1985 case LINUX_KBD_MEDIUMRAW: 1986 kbdmode = K_RAW; 1987 break; 1988 default: 1989 fdrop(fp, td); 1990 return (EINVAL); 1991 } 1992 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 1993 td->td_ucred, td)); 1994 break; 1995 } 1996 1997 case LINUX_VT_OPENQRY: 1998 args->cmd = VT_OPENQRY; 1999 error = (ioctl(td, (struct ioctl_args *)args)); 2000 break; 2001 2002 case LINUX_VT_GETMODE: 2003 args->cmd = VT_GETMODE; 2004 error = (ioctl(td, (struct ioctl_args *)args)); 2005 break; 2006 2007 case LINUX_VT_SETMODE: { 2008 struct vt_mode mode; 2009 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2010 break; 2011 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig)) 2012 mode.frsig = mode.acqsig; 2013 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2014 break; 2015 args->cmd = VT_SETMODE; 2016 error = (ioctl(td, (struct ioctl_args *)args)); 2017 break; 2018 } 2019 2020 case LINUX_VT_GETSTATE: 2021 args->cmd = VT_GETACTIVE; 2022 error = (ioctl(td, (struct ioctl_args *)args)); 2023 break; 2024 2025 case LINUX_VT_RELDISP: 2026 args->cmd = VT_RELDISP; 2027 error = (ioctl(td, (struct ioctl_args *)args)); 2028 break; 2029 2030 case LINUX_VT_ACTIVATE: 2031 args->cmd = VT_ACTIVATE; 2032 error = (ioctl(td, (struct ioctl_args *)args)); 2033 break; 2034 2035 case LINUX_VT_WAITACTIVE: 2036 args->cmd = VT_WAITACTIVE; 2037 error = (ioctl(td, (struct ioctl_args *)args)); 2038 break; 2039 2040 default: 2041 error = ENOIOCTL; 2042 break; 2043 } 2044 2045 fdrop(fp, td); 2046 return (error); 2047 } 2048 2049 /* 2050 * Criteria for interface name translation 2051 */ 2052 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2053 2054 /* 2055 * Interface function used by linprocfs (at the time of writing). It's not 2056 * used by the Linuxulator itself. 2057 */ 2058 int 2059 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 2060 { 2061 struct ifnet *ifscan; 2062 int ethno; 2063 2064 IFNET_RLOCK_ASSERT(); 2065 2066 /* Short-circuit non ethernet interfaces */ 2067 if (!IFP_IS_ETH(ifp)) 2068 return (strlcpy(buffer, ifp->if_xname, buflen)); 2069 2070 /* Determine the (relative) unit number for ethernet interfaces */ 2071 ethno = 0; 2072 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 2073 if (ifscan == ifp) 2074 return (snprintf(buffer, buflen, "eth%d", ethno)); 2075 if (IFP_IS_ETH(ifscan)) 2076 ethno++; 2077 } 2078 2079 return (0); 2080 } 2081 2082 /* 2083 * Translate a Linux interface name to a FreeBSD interface name, 2084 * and return the associated ifnet structure 2085 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2086 * can point to the same buffer. 2087 */ 2088 2089 static struct ifnet * 2090 ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2091 { 2092 struct ifnet *ifp; 2093 int len, unit; 2094 char *ep; 2095 int is_eth, index; 2096 2097 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2098 if (!isalpha(lxname[len])) 2099 break; 2100 if (len == 0 || len == LINUX_IFNAMSIZ) 2101 return (NULL); 2102 unit = (int)strtoul(lxname + len, &ep, 10); 2103 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2104 return (NULL); 2105 index = 0; 2106 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2107 CURVNET_SET(TD_TO_VNET(td)); 2108 IFNET_RLOCK(); 2109 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2110 /* 2111 * Allow Linux programs to use FreeBSD names. Don't presume 2112 * we never have an interface named "eth", so don't make 2113 * the test optional based on is_eth. 2114 */ 2115 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2116 break; 2117 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2118 break; 2119 } 2120 IFNET_RUNLOCK(); 2121 CURVNET_RESTORE(); 2122 if (ifp != NULL) 2123 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2124 return (ifp); 2125 } 2126 2127 /* 2128 * Implement the SIOCGIFCONF ioctl 2129 */ 2130 2131 static int 2132 linux_ifconf(struct thread *td, struct ifconf *uifc) 2133 { 2134 #ifdef COMPAT_LINUX32 2135 struct l_ifconf ifc; 2136 #else 2137 struct ifconf ifc; 2138 #endif 2139 struct l_ifreq ifr; 2140 struct ifnet *ifp; 2141 struct ifaddr *ifa; 2142 struct sbuf *sb; 2143 int error, ethno, full = 0, valid_len, max_len; 2144 2145 error = copyin(uifc, &ifc, sizeof(ifc)); 2146 if (error != 0) 2147 return (error); 2148 2149 max_len = MAXPHYS - 1; 2150 2151 CURVNET_SET(TD_TO_VNET(td)); 2152 /* handle the 'request buffer size' case */ 2153 if (ifc.ifc_buf == PTROUT(NULL)) { 2154 ifc.ifc_len = 0; 2155 IFNET_RLOCK(); 2156 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2157 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2158 struct sockaddr *sa = ifa->ifa_addr; 2159 if (sa->sa_family == AF_INET) 2160 ifc.ifc_len += sizeof(ifr); 2161 } 2162 } 2163 IFNET_RUNLOCK(); 2164 error = copyout(&ifc, uifc, sizeof(ifc)); 2165 CURVNET_RESTORE(); 2166 return (error); 2167 } 2168 2169 if (ifc.ifc_len <= 0) { 2170 CURVNET_RESTORE(); 2171 return (EINVAL); 2172 } 2173 2174 again: 2175 /* Keep track of eth interfaces */ 2176 ethno = 0; 2177 if (ifc.ifc_len <= max_len) { 2178 max_len = ifc.ifc_len; 2179 full = 1; 2180 } 2181 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2182 max_len = 0; 2183 valid_len = 0; 2184 2185 /* Return all AF_INET addresses of all interfaces */ 2186 IFNET_RLOCK(); 2187 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2188 int addrs = 0; 2189 2190 bzero(&ifr, sizeof(ifr)); 2191 if (IFP_IS_ETH(ifp)) 2192 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2193 ethno++); 2194 else 2195 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2196 2197 /* Walk the address list */ 2198 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2199 struct sockaddr *sa = ifa->ifa_addr; 2200 2201 if (sa->sa_family == AF_INET) { 2202 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2203 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2204 sizeof(ifr.ifr_addr.sa_data)); 2205 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2206 max_len += sizeof(ifr); 2207 addrs++; 2208 } 2209 2210 if (!sbuf_overflowed(sb)) 2211 valid_len = sbuf_len(sb); 2212 } 2213 if (addrs == 0) { 2214 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2215 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2216 max_len += sizeof(ifr); 2217 2218 if (!sbuf_overflowed(sb)) 2219 valid_len = sbuf_len(sb); 2220 } 2221 } 2222 IFNET_RUNLOCK(); 2223 2224 if (valid_len != max_len && !full) { 2225 sbuf_delete(sb); 2226 goto again; 2227 } 2228 2229 ifc.ifc_len = valid_len; 2230 sbuf_finish(sb); 2231 memcpy(PTRIN(ifc.ifc_buf), sbuf_data(sb), ifc.ifc_len); 2232 error = copyout(&ifc, uifc, sizeof(ifc)); 2233 sbuf_delete(sb); 2234 CURVNET_RESTORE(); 2235 2236 return (error); 2237 } 2238 2239 static int 2240 linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2241 { 2242 l_short flags; 2243 2244 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2245 /* these flags have no Linux equivalent */ 2246 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2247 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2248 /* Linux' multicast flag is in a different bit */ 2249 if (flags & IFF_MULTICAST) { 2250 flags &= ~IFF_MULTICAST; 2251 flags |= 0x1000; 2252 } 2253 2254 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2255 } 2256 2257 #define ARPHRD_ETHER 1 2258 #define ARPHRD_LOOPBACK 772 2259 2260 static int 2261 linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2262 { 2263 struct ifaddr *ifa; 2264 struct sockaddr_dl *sdl; 2265 struct l_sockaddr lsa; 2266 2267 if (ifp->if_type == IFT_LOOP) { 2268 bzero(&lsa, sizeof(lsa)); 2269 lsa.sa_family = ARPHRD_LOOPBACK; 2270 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2271 } 2272 2273 if (ifp->if_type != IFT_ETHER) 2274 return (ENOENT); 2275 2276 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2277 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2278 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2279 (sdl->sdl_type == IFT_ETHER)) { 2280 bzero(&lsa, sizeof(lsa)); 2281 lsa.sa_family = ARPHRD_ETHER; 2282 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2283 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2284 } 2285 } 2286 2287 return (ENOENT); 2288 } 2289 2290 2291 /* 2292 * If we fault in bsd_to_linux_ifreq() then we will fault when we call 2293 * the native ioctl(). Thus, we don't really need to check the return 2294 * value of this function. 2295 */ 2296 static int 2297 bsd_to_linux_ifreq(struct ifreq *arg) 2298 { 2299 struct ifreq ifr; 2300 size_t ifr_len = sizeof(struct ifreq); 2301 int error; 2302 2303 if ((error = copyin(arg, &ifr, ifr_len))) 2304 return (error); 2305 2306 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2307 2308 error = copyout(&ifr, arg, ifr_len); 2309 2310 return (error); 2311 } 2312 2313 /* 2314 * Socket related ioctls 2315 */ 2316 2317 static int 2318 linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2319 { 2320 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2321 struct ifnet *ifp; 2322 struct file *fp; 2323 int error, type; 2324 2325 ifp = NULL; 2326 error = 0; 2327 2328 if ((error = fget(td, args->fd, &fp)) != 0) 2329 return (error); 2330 type = fp->f_type; 2331 fdrop(fp, td); 2332 if (type != DTYPE_SOCKET) { 2333 /* not a socket - probably a tap / vmnet device */ 2334 switch (args->cmd) { 2335 case LINUX_SIOCGIFADDR: 2336 case LINUX_SIOCSIFADDR: 2337 case LINUX_SIOCGIFFLAGS: 2338 return (linux_ioctl_special(td, args)); 2339 default: 2340 return (ENOIOCTL); 2341 } 2342 } 2343 2344 switch (args->cmd & 0xffff) { 2345 2346 case LINUX_FIOGETOWN: 2347 case LINUX_FIOSETOWN: 2348 case LINUX_SIOCADDMULTI: 2349 case LINUX_SIOCATMARK: 2350 case LINUX_SIOCDELMULTI: 2351 case LINUX_SIOCGIFCONF: 2352 case LINUX_SIOCGPGRP: 2353 case LINUX_SIOCSPGRP: 2354 case LINUX_SIOCGIFCOUNT: 2355 /* these ioctls don't take an interface name */ 2356 #ifdef DEBUG 2357 printf("%s(): ioctl %d\n", __func__, 2358 args->cmd & 0xffff); 2359 #endif 2360 break; 2361 2362 case LINUX_SIOCGIFFLAGS: 2363 case LINUX_SIOCGIFADDR: 2364 case LINUX_SIOCSIFADDR: 2365 case LINUX_SIOCGIFDSTADDR: 2366 case LINUX_SIOCGIFBRDADDR: 2367 case LINUX_SIOCGIFNETMASK: 2368 case LINUX_SIOCSIFNETMASK: 2369 case LINUX_SIOCGIFMTU: 2370 case LINUX_SIOCSIFMTU: 2371 case LINUX_SIOCSIFNAME: 2372 case LINUX_SIOCGIFHWADDR: 2373 case LINUX_SIOCSIFHWADDR: 2374 case LINUX_SIOCDEVPRIVATE: 2375 case LINUX_SIOCDEVPRIVATE+1: 2376 case LINUX_SIOCGIFINDEX: 2377 /* copy in the interface name and translate it. */ 2378 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2379 if (error != 0) 2380 return (error); 2381 #ifdef DEBUG 2382 printf("%s(): ioctl %d on %.*s\n", __func__, 2383 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2384 #endif 2385 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2386 if (ifp == NULL) 2387 return (EINVAL); 2388 /* 2389 * We need to copy it back out in case we pass the 2390 * request on to our native ioctl(), which will expect 2391 * the ifreq to be in user space and have the correct 2392 * interface name. 2393 */ 2394 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2395 if (error != 0) 2396 return (error); 2397 #ifdef DEBUG 2398 printf("%s(): %s translated to %s\n", __func__, 2399 lifname, ifname); 2400 #endif 2401 break; 2402 2403 default: 2404 return (ENOIOCTL); 2405 } 2406 2407 switch (args->cmd & 0xffff) { 2408 2409 case LINUX_FIOSETOWN: 2410 args->cmd = FIOSETOWN; 2411 error = ioctl(td, (struct ioctl_args *)args); 2412 break; 2413 2414 case LINUX_SIOCSPGRP: 2415 args->cmd = SIOCSPGRP; 2416 error = ioctl(td, (struct ioctl_args *)args); 2417 break; 2418 2419 case LINUX_FIOGETOWN: 2420 args->cmd = FIOGETOWN; 2421 error = ioctl(td, (struct ioctl_args *)args); 2422 break; 2423 2424 case LINUX_SIOCGPGRP: 2425 args->cmd = SIOCGPGRP; 2426 error = ioctl(td, (struct ioctl_args *)args); 2427 break; 2428 2429 case LINUX_SIOCATMARK: 2430 args->cmd = SIOCATMARK; 2431 error = ioctl(td, (struct ioctl_args *)args); 2432 break; 2433 2434 /* LINUX_SIOCGSTAMP */ 2435 2436 case LINUX_SIOCGIFCONF: 2437 error = linux_ifconf(td, (struct ifconf *)args->arg); 2438 break; 2439 2440 case LINUX_SIOCGIFFLAGS: 2441 args->cmd = SIOCGIFFLAGS; 2442 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2443 break; 2444 2445 case LINUX_SIOCGIFADDR: 2446 args->cmd = SIOCGIFADDR; 2447 error = ioctl(td, (struct ioctl_args *)args); 2448 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2449 break; 2450 2451 case LINUX_SIOCSIFADDR: 2452 /* XXX probably doesn't work, included for completeness */ 2453 args->cmd = SIOCSIFADDR; 2454 error = ioctl(td, (struct ioctl_args *)args); 2455 break; 2456 2457 case LINUX_SIOCGIFDSTADDR: 2458 args->cmd = SIOCGIFDSTADDR; 2459 error = ioctl(td, (struct ioctl_args *)args); 2460 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2461 break; 2462 2463 case LINUX_SIOCGIFBRDADDR: 2464 args->cmd = SIOCGIFBRDADDR; 2465 error = ioctl(td, (struct ioctl_args *)args); 2466 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2467 break; 2468 2469 case LINUX_SIOCGIFNETMASK: 2470 args->cmd = SIOCGIFNETMASK; 2471 error = ioctl(td, (struct ioctl_args *)args); 2472 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2473 break; 2474 2475 case LINUX_SIOCSIFNETMASK: 2476 error = ENOIOCTL; 2477 break; 2478 2479 case LINUX_SIOCGIFMTU: 2480 args->cmd = SIOCGIFMTU; 2481 error = ioctl(td, (struct ioctl_args *)args); 2482 break; 2483 2484 case LINUX_SIOCSIFMTU: 2485 args->cmd = SIOCSIFMTU; 2486 error = ioctl(td, (struct ioctl_args *)args); 2487 break; 2488 2489 case LINUX_SIOCSIFNAME: 2490 error = ENOIOCTL; 2491 break; 2492 2493 case LINUX_SIOCGIFHWADDR: 2494 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2495 break; 2496 2497 case LINUX_SIOCSIFHWADDR: 2498 error = ENOIOCTL; 2499 break; 2500 2501 case LINUX_SIOCADDMULTI: 2502 args->cmd = SIOCADDMULTI; 2503 error = ioctl(td, (struct ioctl_args *)args); 2504 break; 2505 2506 case LINUX_SIOCDELMULTI: 2507 args->cmd = SIOCDELMULTI; 2508 error = ioctl(td, (struct ioctl_args *)args); 2509 break; 2510 2511 case LINUX_SIOCGIFINDEX: 2512 args->cmd = SIOCGIFINDEX; 2513 error = ioctl(td, (struct ioctl_args *)args); 2514 break; 2515 2516 case LINUX_SIOCGIFCOUNT: 2517 error = 0; 2518 break; 2519 2520 /* 2521 * XXX This is slightly bogus, but these ioctls are currently 2522 * XXX only used by the aironet (if_an) network driver. 2523 */ 2524 case LINUX_SIOCDEVPRIVATE: 2525 args->cmd = SIOCGPRIVATE_0; 2526 error = ioctl(td, (struct ioctl_args *)args); 2527 break; 2528 2529 case LINUX_SIOCDEVPRIVATE+1: 2530 args->cmd = SIOCGPRIVATE_1; 2531 error = ioctl(td, (struct ioctl_args *)args); 2532 break; 2533 } 2534 2535 if (ifp != NULL) 2536 /* restore the original interface name */ 2537 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2538 2539 #ifdef DEBUG 2540 printf("%s(): returning %d\n", __func__, error); 2541 #endif 2542 return (error); 2543 } 2544 2545 /* 2546 * Device private ioctl handler 2547 */ 2548 static int 2549 linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2550 { 2551 struct file *fp; 2552 int error, type; 2553 2554 if ((error = fget(td, args->fd, &fp)) != 0) 2555 return (error); 2556 type = fp->f_type; 2557 fdrop(fp, td); 2558 if (type == DTYPE_SOCKET) 2559 return (linux_ioctl_socket(td, args)); 2560 return (ENOIOCTL); 2561 } 2562 2563 /* 2564 * DRM ioctl handler (sys/dev/drm) 2565 */ 2566 static int 2567 linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2568 { 2569 args->cmd = SETDIR(args->cmd); 2570 return ioctl(td, (struct ioctl_args *)args); 2571 } 2572 2573 static int 2574 linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2575 { 2576 struct file *fp; 2577 u_long cmd; 2578 int error; 2579 2580 if ((error = fget(td, args->fd, &fp)) != 0) { 2581 printf("sg_linux_ioctl: fget returned %d\n", error); 2582 return (error); 2583 } 2584 cmd = args->cmd; 2585 2586 error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td)); 2587 fdrop(fp, td); 2588 return (error); 2589 } 2590 2591 /* 2592 * Special ioctl handler 2593 */ 2594 static int 2595 linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 2596 { 2597 int error; 2598 2599 switch (args->cmd) { 2600 case LINUX_SIOCGIFADDR: 2601 args->cmd = SIOCGIFADDR; 2602 error = ioctl(td, (struct ioctl_args *)args); 2603 break; 2604 case LINUX_SIOCSIFADDR: 2605 args->cmd = SIOCSIFADDR; 2606 error = ioctl(td, (struct ioctl_args *)args); 2607 break; 2608 case LINUX_SIOCGIFFLAGS: 2609 args->cmd = SIOCGIFFLAGS; 2610 error = ioctl(td, (struct ioctl_args *)args); 2611 break; 2612 default: 2613 error = ENOIOCTL; 2614 } 2615 2616 return (error); 2617 } 2618 2619 /* 2620 * main ioctl syscall function 2621 */ 2622 2623 int 2624 linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 2625 { 2626 struct file *fp; 2627 struct handler_element *he; 2628 int error, cmd; 2629 2630 #ifdef DEBUG 2631 if (ldebug(ioctl)) 2632 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 2633 (unsigned long)args->cmd); 2634 #endif 2635 2636 if ((error = fget(td, args->fd, &fp)) != 0) 2637 return (error); 2638 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 2639 fdrop(fp, td); 2640 return (EBADF); 2641 } 2642 2643 /* Iterate over the ioctl handlers */ 2644 cmd = args->cmd & 0xffff; 2645 sx_slock(&linux_ioctl_sx); 2646 mtx_lock(&Giant); 2647 TAILQ_FOREACH(he, &handlers, list) { 2648 if (cmd >= he->low && cmd <= he->high) { 2649 error = (*he->func)(td, args); 2650 if (error != ENOIOCTL) { 2651 mtx_unlock(&Giant); 2652 sx_sunlock(&linux_ioctl_sx); 2653 fdrop(fp, td); 2654 return (error); 2655 } 2656 } 2657 } 2658 mtx_unlock(&Giant); 2659 sx_sunlock(&linux_ioctl_sx); 2660 fdrop(fp, td); 2661 2662 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 2663 args->fd, (int)(args->cmd & 0xffff), 2664 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 2665 2666 return (EINVAL); 2667 } 2668 2669 int 2670 linux_ioctl_register_handler(struct linux_ioctl_handler *h) 2671 { 2672 struct handler_element *he, *cur; 2673 2674 if (h == NULL || h->func == NULL) 2675 return (EINVAL); 2676 2677 /* 2678 * Reuse the element if the handler is already on the list, otherwise 2679 * create a new element. 2680 */ 2681 sx_xlock(&linux_ioctl_sx); 2682 TAILQ_FOREACH(he, &handlers, list) { 2683 if (he->func == h->func) 2684 break; 2685 } 2686 if (he == NULL) { 2687 he = malloc(sizeof(*he), 2688 M_LINUX, M_WAITOK); 2689 he->func = h->func; 2690 } else 2691 TAILQ_REMOVE(&handlers, he, list); 2692 2693 /* Initialize range information. */ 2694 he->low = h->low; 2695 he->high = h->high; 2696 he->span = h->high - h->low + 1; 2697 2698 /* Add the element to the list, sorted on span. */ 2699 TAILQ_FOREACH(cur, &handlers, list) { 2700 if (cur->span > he->span) { 2701 TAILQ_INSERT_BEFORE(cur, he, list); 2702 sx_xunlock(&linux_ioctl_sx); 2703 return (0); 2704 } 2705 } 2706 TAILQ_INSERT_TAIL(&handlers, he, list); 2707 sx_xunlock(&linux_ioctl_sx); 2708 2709 return (0); 2710 } 2711 2712 int 2713 linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 2714 { 2715 struct handler_element *he; 2716 2717 if (h == NULL || h->func == NULL) 2718 return (EINVAL); 2719 2720 sx_xlock(&linux_ioctl_sx); 2721 TAILQ_FOREACH(he, &handlers, list) { 2722 if (he->func == h->func) { 2723 TAILQ_REMOVE(&handlers, he, list); 2724 sx_xunlock(&linux_ioctl_sx); 2725 free(he, M_LINUX); 2726 return (0); 2727 } 2728 } 2729 sx_xunlock(&linux_ioctl_sx); 2730 2731 return (EINVAL); 2732 }
Cache object: 8e9a29618477df49beef7fa8bcbc85d4
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