linux_ioctl.c revision 321025
1/*- 2 * Copyright (c) 1994-1995 S��ren 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: stable/10/sys/compat/linux/linux_ioctl.c 321025 2017-07-15 18:08:20Z dchagin $"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/sysproto.h> 37#include <sys/capsicum.h> 38#include <sys/cdio.h> 39#include <sys/dvdio.h> 40#include <sys/conf.h> 41#include <sys/disk.h> 42#include <sys/consio.h> 43#include <sys/ctype.h> 44#include <sys/fcntl.h> 45#include <sys/file.h> 46#include <sys/filedesc.h> 47#include <sys/filio.h> 48#include <sys/jail.h> 49#include <sys/kbio.h> 50#include <sys/kernel.h> 51#include <sys/linker_set.h> 52#include <sys/lock.h> 53#include <sys/malloc.h> 54#include <sys/proc.h> 55#include <sys/sbuf.h> 56#include <sys/socket.h> 57#include <sys/sockio.h> 58#include <sys/soundcard.h> 59#include <sys/stdint.h> 60#include <sys/sx.h> 61#include <sys/sysctl.h> 62#include <sys/tty.h> 63#include <sys/uio.h> 64#include <sys/types.h> 65#include <sys/mman.h> 66#include <sys/resourcevar.h> 67 68#include <net/if.h> 69#include <net/if_dl.h> 70#include <net/if_types.h> 71 72#include <dev/usb/usb_ioctl.h> 73 74#ifdef COMPAT_LINUX32 75#include <machine/../linux32/linux.h> 76#include <machine/../linux32/linux32_proto.h> 77#else 78#include <machine/../linux/linux.h> 79#include <machine/../linux/linux_proto.h> 80#endif 81 82#include <compat/linux/linux_ioctl.h> 83#include <compat/linux/linux_mib.h> 84#include <compat/linux/linux_socket.h> 85#include <compat/linux/linux_util.h> 86 87#include <contrib/v4l/videodev.h> 88#include <compat/linux/linux_videodev_compat.h> 89 90#include <contrib/v4l/videodev2.h> 91#include <compat/linux/linux_videodev2_compat.h> 92 93#include <cam/scsi/scsi_sg.h> 94 95CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 96 97static linux_ioctl_function_t linux_ioctl_cdrom; 98static linux_ioctl_function_t linux_ioctl_vfat; 99static linux_ioctl_function_t linux_ioctl_console; 100static linux_ioctl_function_t linux_ioctl_hdio; 101static linux_ioctl_function_t linux_ioctl_disk; 102static linux_ioctl_function_t linux_ioctl_socket; 103static linux_ioctl_function_t linux_ioctl_sound; 104static linux_ioctl_function_t linux_ioctl_termio; 105static linux_ioctl_function_t linux_ioctl_private; 106static linux_ioctl_function_t linux_ioctl_drm; 107static linux_ioctl_function_t linux_ioctl_sg; 108static linux_ioctl_function_t linux_ioctl_v4l; 109static linux_ioctl_function_t linux_ioctl_v4l2; 110static linux_ioctl_function_t linux_ioctl_special; 111static linux_ioctl_function_t linux_ioctl_fbsd_usb; 112 113static struct linux_ioctl_handler cdrom_handler = 114{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 115static struct linux_ioctl_handler vfat_handler = 116{ linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 117static struct linux_ioctl_handler console_handler = 118{ linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 119static struct linux_ioctl_handler hdio_handler = 120{ linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 121static struct linux_ioctl_handler disk_handler = 122{ linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 123static struct linux_ioctl_handler socket_handler = 124{ linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 125static struct linux_ioctl_handler sound_handler = 126{ linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 127static struct linux_ioctl_handler termio_handler = 128{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 129static struct linux_ioctl_handler private_handler = 130{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 131static struct linux_ioctl_handler drm_handler = 132{ linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 133static struct linux_ioctl_handler sg_handler = 134{ linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 135static struct linux_ioctl_handler video_handler = 136{ linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 137static struct linux_ioctl_handler video2_handler = 138{ linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; 139static struct linux_ioctl_handler fbsd_usb = 140{ linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; 141 142DATA_SET(linux_ioctl_handler_set, cdrom_handler); 143DATA_SET(linux_ioctl_handler_set, vfat_handler); 144DATA_SET(linux_ioctl_handler_set, console_handler); 145DATA_SET(linux_ioctl_handler_set, hdio_handler); 146DATA_SET(linux_ioctl_handler_set, disk_handler); 147DATA_SET(linux_ioctl_handler_set, socket_handler); 148DATA_SET(linux_ioctl_handler_set, sound_handler); 149DATA_SET(linux_ioctl_handler_set, termio_handler); 150DATA_SET(linux_ioctl_handler_set, private_handler); 151DATA_SET(linux_ioctl_handler_set, drm_handler); 152DATA_SET(linux_ioctl_handler_set, sg_handler); 153DATA_SET(linux_ioctl_handler_set, video_handler); 154DATA_SET(linux_ioctl_handler_set, video2_handler); 155DATA_SET(linux_ioctl_handler_set, fbsd_usb); 156 157struct handler_element 158{ 159 TAILQ_ENTRY(handler_element) list; 160 int (*func)(struct thread *, struct linux_ioctl_args *); 161 int low, high, span; 162}; 163 164static TAILQ_HEAD(, handler_element) handlers = 165 TAILQ_HEAD_INITIALIZER(handlers); 166static struct sx linux_ioctl_sx; 167SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 168 169/* 170 * hdio related ioctls for VMWare support 171 */ 172 173struct linux_hd_geometry { 174 u_int8_t heads; 175 u_int8_t sectors; 176 u_int16_t cylinders; 177 u_int32_t start; 178}; 179 180struct linux_hd_big_geometry { 181 u_int8_t heads; 182 u_int8_t sectors; 183 u_int32_t cylinders; 184 u_int32_t start; 185}; 186 187static int 188linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 189{ 190 cap_rights_t rights; 191 struct file *fp; 192 int error; 193 u_int sectorsize, fwcylinders, fwheads, fwsectors; 194 off_t mediasize, bytespercyl; 195 196 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 197 if (error != 0) 198 return (error); 199 switch (args->cmd & 0xffff) { 200 case LINUX_HDIO_GET_GEO: 201 case LINUX_HDIO_GET_GEO_BIG: 202 error = fo_ioctl(fp, DIOCGMEDIASIZE, 203 (caddr_t)&mediasize, td->td_ucred, td); 204 if (!error) 205 error = fo_ioctl(fp, DIOCGSECTORSIZE, 206 (caddr_t)§orsize, td->td_ucred, td); 207 if (!error) 208 error = fo_ioctl(fp, DIOCGFWHEADS, 209 (caddr_t)&fwheads, td->td_ucred, td); 210 if (!error) 211 error = fo_ioctl(fp, DIOCGFWSECTORS, 212 (caddr_t)&fwsectors, td->td_ucred, td); 213 /* 214 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 215 * so pretend that GEOM always says 0. This is NOT VALID 216 * for slices or partitions, only the per-disk raw devices. 217 */ 218 219 fdrop(fp, td); 220 if (error) 221 return (error); 222 /* 223 * 1. Calculate the number of bytes in a cylinder, 224 * given the firmware's notion of heads and sectors 225 * per cylinder. 226 * 2. Calculate the number of cylinders, given the total 227 * size of the media. 228 * All internal calculations should have 64-bit precision. 229 */ 230 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 231 fwcylinders = mediasize / bytespercyl; 232#if defined(DEBUG) 233 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 234 "bpc %jd", 235 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 236 (intmax_t)bytespercyl); 237#endif 238 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 239 struct linux_hd_geometry hdg; 240 241 hdg.cylinders = fwcylinders; 242 hdg.heads = fwheads; 243 hdg.sectors = fwsectors; 244 hdg.start = 0; 245 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 246 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 247 struct linux_hd_big_geometry hdbg; 248 249 hdbg.cylinders = fwcylinders; 250 hdbg.heads = fwheads; 251 hdbg.sectors = fwsectors; 252 hdbg.start = 0; 253 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 254 } 255 return (error); 256 break; 257 default: 258 /* XXX */ 259 linux_msg(td, 260 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 261 args->fd, (int)(args->cmd & 0xffff), 262 (int)(args->cmd & 0xff00) >> 8, 263 (int)(args->cmd & 0xff)); 264 break; 265 } 266 fdrop(fp, td); 267 return (ENOIOCTL); 268} 269 270static int 271linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 272{ 273 cap_rights_t rights; 274 struct file *fp; 275 int error; 276 u_int sectorsize; 277 off_t mediasize; 278 279 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 280 if (error != 0) 281 return (error); 282 switch (args->cmd & 0xffff) { 283 case LINUX_BLKGETSIZE: 284 error = fo_ioctl(fp, DIOCGSECTORSIZE, 285 (caddr_t)§orsize, td->td_ucred, td); 286 if (!error) 287 error = fo_ioctl(fp, DIOCGMEDIASIZE, 288 (caddr_t)&mediasize, td->td_ucred, td); 289 fdrop(fp, td); 290 if (error) 291 return (error); 292 sectorsize = mediasize / sectorsize; 293 /* 294 * XXX: How do we know we return the right size of integer ? 295 */ 296 return (copyout(§orsize, (void *)args->arg, 297 sizeof(sectorsize))); 298 break; 299 case LINUX_BLKSSZGET: 300 error = fo_ioctl(fp, DIOCGSECTORSIZE, 301 (caddr_t)§orsize, td->td_ucred, td); 302 fdrop(fp, td); 303 if (error) 304 return (error); 305 return (copyout(§orsize, (void *)args->arg, 306 sizeof(sectorsize))); 307 break; 308 } 309 fdrop(fp, td); 310 return (ENOIOCTL); 311} 312 313/* 314 * termio related ioctls 315 */ 316 317struct linux_termio { 318 unsigned short c_iflag; 319 unsigned short c_oflag; 320 unsigned short c_cflag; 321 unsigned short c_lflag; 322 unsigned char c_line; 323 unsigned char c_cc[LINUX_NCC]; 324}; 325 326struct linux_termios { 327 unsigned int c_iflag; 328 unsigned int c_oflag; 329 unsigned int c_cflag; 330 unsigned int c_lflag; 331 unsigned char c_line; 332 unsigned char c_cc[LINUX_NCCS]; 333}; 334 335struct linux_winsize { 336 unsigned short ws_row, ws_col; 337 unsigned short ws_xpixel, ws_ypixel; 338}; 339 340struct speedtab { 341 int sp_speed; /* Speed. */ 342 int sp_code; /* Code. */ 343}; 344 345static struct speedtab sptab[] = { 346 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 347 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 348 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 349 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 350 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 351 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 352 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 353 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 354 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 355 {-1, -1 } 356}; 357 358struct linux_serial_struct { 359 int type; 360 int line; 361 int port; 362 int irq; 363 int flags; 364 int xmit_fifo_size; 365 int custom_divisor; 366 int baud_base; 367 unsigned short close_delay; 368 char reserved_char[2]; 369 int hub6; 370 unsigned short closing_wait; 371 unsigned short closing_wait2; 372 int reserved[4]; 373}; 374 375static int 376linux_to_bsd_speed(int code, struct speedtab *table) 377{ 378 for ( ; table->sp_code != -1; table++) 379 if (table->sp_code == code) 380 return (table->sp_speed); 381 return -1; 382} 383 384static int 385bsd_to_linux_speed(int speed, struct speedtab *table) 386{ 387 for ( ; table->sp_speed != -1; table++) 388 if (table->sp_speed == speed) 389 return (table->sp_code); 390 return -1; 391} 392 393static void 394bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 395{ 396 int i; 397 398#ifdef DEBUG 399 if (ldebug(ioctl)) { 400 printf("LINUX: BSD termios structure (input):\n"); 401 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 402 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 403 bios->c_ispeed, bios->c_ospeed); 404 printf("c_cc "); 405 for (i=0; i<NCCS; i++) 406 printf("%02x ", bios->c_cc[i]); 407 printf("\n"); 408 } 409#endif 410 411 lios->c_iflag = 0; 412 if (bios->c_iflag & IGNBRK) 413 lios->c_iflag |= LINUX_IGNBRK; 414 if (bios->c_iflag & BRKINT) 415 lios->c_iflag |= LINUX_BRKINT; 416 if (bios->c_iflag & IGNPAR) 417 lios->c_iflag |= LINUX_IGNPAR; 418 if (bios->c_iflag & PARMRK) 419 lios->c_iflag |= LINUX_PARMRK; 420 if (bios->c_iflag & INPCK) 421 lios->c_iflag |= LINUX_INPCK; 422 if (bios->c_iflag & ISTRIP) 423 lios->c_iflag |= LINUX_ISTRIP; 424 if (bios->c_iflag & INLCR) 425 lios->c_iflag |= LINUX_INLCR; 426 if (bios->c_iflag & IGNCR) 427 lios->c_iflag |= LINUX_IGNCR; 428 if (bios->c_iflag & ICRNL) 429 lios->c_iflag |= LINUX_ICRNL; 430 if (bios->c_iflag & IXON) 431 lios->c_iflag |= LINUX_IXON; 432 if (bios->c_iflag & IXANY) 433 lios->c_iflag |= LINUX_IXANY; 434 if (bios->c_iflag & IXOFF) 435 lios->c_iflag |= LINUX_IXOFF; 436 if (bios->c_iflag & IMAXBEL) 437 lios->c_iflag |= LINUX_IMAXBEL; 438 439 lios->c_oflag = 0; 440 if (bios->c_oflag & OPOST) 441 lios->c_oflag |= LINUX_OPOST; 442 if (bios->c_oflag & ONLCR) 443 lios->c_oflag |= LINUX_ONLCR; 444 if (bios->c_oflag & TAB3) 445 lios->c_oflag |= LINUX_XTABS; 446 447 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 448 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 449 if (bios->c_cflag & CSTOPB) 450 lios->c_cflag |= LINUX_CSTOPB; 451 if (bios->c_cflag & CREAD) 452 lios->c_cflag |= LINUX_CREAD; 453 if (bios->c_cflag & PARENB) 454 lios->c_cflag |= LINUX_PARENB; 455 if (bios->c_cflag & PARODD) 456 lios->c_cflag |= LINUX_PARODD; 457 if (bios->c_cflag & HUPCL) 458 lios->c_cflag |= LINUX_HUPCL; 459 if (bios->c_cflag & CLOCAL) 460 lios->c_cflag |= LINUX_CLOCAL; 461 if (bios->c_cflag & CRTSCTS) 462 lios->c_cflag |= LINUX_CRTSCTS; 463 464 lios->c_lflag = 0; 465 if (bios->c_lflag & ISIG) 466 lios->c_lflag |= LINUX_ISIG; 467 if (bios->c_lflag & ICANON) 468 lios->c_lflag |= LINUX_ICANON; 469 if (bios->c_lflag & ECHO) 470 lios->c_lflag |= LINUX_ECHO; 471 if (bios->c_lflag & ECHOE) 472 lios->c_lflag |= LINUX_ECHOE; 473 if (bios->c_lflag & ECHOK) 474 lios->c_lflag |= LINUX_ECHOK; 475 if (bios->c_lflag & ECHONL) 476 lios->c_lflag |= LINUX_ECHONL; 477 if (bios->c_lflag & NOFLSH) 478 lios->c_lflag |= LINUX_NOFLSH; 479 if (bios->c_lflag & TOSTOP) 480 lios->c_lflag |= LINUX_TOSTOP; 481 if (bios->c_lflag & ECHOCTL) 482 lios->c_lflag |= LINUX_ECHOCTL; 483 if (bios->c_lflag & ECHOPRT) 484 lios->c_lflag |= LINUX_ECHOPRT; 485 if (bios->c_lflag & ECHOKE) 486 lios->c_lflag |= LINUX_ECHOKE; 487 if (bios->c_lflag & FLUSHO) 488 lios->c_lflag |= LINUX_FLUSHO; 489 if (bios->c_lflag & PENDIN) 490 lios->c_lflag |= LINUX_PENDIN; 491 if (bios->c_lflag & IEXTEN) 492 lios->c_lflag |= LINUX_IEXTEN; 493 494 for (i=0; i<LINUX_NCCS; i++) 495 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 496 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 497 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 498 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 499 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 500 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 501 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 502 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 503 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 504 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 505 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 506 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 507 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 508 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 509 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 510 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 511 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 512 513 for (i=0; i<LINUX_NCCS; i++) { 514 if (i != LINUX_VMIN && i != LINUX_VTIME && 515 lios->c_cc[i] == _POSIX_VDISABLE) 516 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 517 } 518 lios->c_line = 0; 519 520#ifdef DEBUG 521 if (ldebug(ioctl)) { 522 printf("LINUX: LINUX termios structure (output):\n"); 523 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 524 lios->c_iflag, lios->c_oflag, lios->c_cflag, 525 lios->c_lflag, (int)lios->c_line); 526 printf("c_cc "); 527 for (i=0; i<LINUX_NCCS; i++) 528 printf("%02x ", lios->c_cc[i]); 529 printf("\n"); 530 } 531#endif 532} 533 534static void 535linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 536{ 537 int i; 538 539#ifdef DEBUG 540 if (ldebug(ioctl)) { 541 printf("LINUX: LINUX termios structure (input):\n"); 542 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 543 lios->c_iflag, lios->c_oflag, lios->c_cflag, 544 lios->c_lflag, (int)lios->c_line); 545 printf("c_cc "); 546 for (i=0; i<LINUX_NCCS; i++) 547 printf("%02x ", lios->c_cc[i]); 548 printf("\n"); 549 } 550#endif 551 552 bios->c_iflag = 0; 553 if (lios->c_iflag & LINUX_IGNBRK) 554 bios->c_iflag |= IGNBRK; 555 if (lios->c_iflag & LINUX_BRKINT) 556 bios->c_iflag |= BRKINT; 557 if (lios->c_iflag & LINUX_IGNPAR) 558 bios->c_iflag |= IGNPAR; 559 if (lios->c_iflag & LINUX_PARMRK) 560 bios->c_iflag |= PARMRK; 561 if (lios->c_iflag & LINUX_INPCK) 562 bios->c_iflag |= INPCK; 563 if (lios->c_iflag & LINUX_ISTRIP) 564 bios->c_iflag |= ISTRIP; 565 if (lios->c_iflag & LINUX_INLCR) 566 bios->c_iflag |= INLCR; 567 if (lios->c_iflag & LINUX_IGNCR) 568 bios->c_iflag |= IGNCR; 569 if (lios->c_iflag & LINUX_ICRNL) 570 bios->c_iflag |= ICRNL; 571 if (lios->c_iflag & LINUX_IXON) 572 bios->c_iflag |= IXON; 573 if (lios->c_iflag & LINUX_IXANY) 574 bios->c_iflag |= IXANY; 575 if (lios->c_iflag & LINUX_IXOFF) 576 bios->c_iflag |= IXOFF; 577 if (lios->c_iflag & LINUX_IMAXBEL) 578 bios->c_iflag |= IMAXBEL; 579 580 bios->c_oflag = 0; 581 if (lios->c_oflag & LINUX_OPOST) 582 bios->c_oflag |= OPOST; 583 if (lios->c_oflag & LINUX_ONLCR) 584 bios->c_oflag |= ONLCR; 585 if (lios->c_oflag & LINUX_XTABS) 586 bios->c_oflag |= TAB3; 587 588 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 589 if (lios->c_cflag & LINUX_CSTOPB) 590 bios->c_cflag |= CSTOPB; 591 if (lios->c_cflag & LINUX_CREAD) 592 bios->c_cflag |= CREAD; 593 if (lios->c_cflag & LINUX_PARENB) 594 bios->c_cflag |= PARENB; 595 if (lios->c_cflag & LINUX_PARODD) 596 bios->c_cflag |= PARODD; 597 if (lios->c_cflag & LINUX_HUPCL) 598 bios->c_cflag |= HUPCL; 599 if (lios->c_cflag & LINUX_CLOCAL) 600 bios->c_cflag |= CLOCAL; 601 if (lios->c_cflag & LINUX_CRTSCTS) 602 bios->c_cflag |= CRTSCTS; 603 604 bios->c_lflag = 0; 605 if (lios->c_lflag & LINUX_ISIG) 606 bios->c_lflag |= ISIG; 607 if (lios->c_lflag & LINUX_ICANON) 608 bios->c_lflag |= ICANON; 609 if (lios->c_lflag & LINUX_ECHO) 610 bios->c_lflag |= ECHO; 611 if (lios->c_lflag & LINUX_ECHOE) 612 bios->c_lflag |= ECHOE; 613 if (lios->c_lflag & LINUX_ECHOK) 614 bios->c_lflag |= ECHOK; 615 if (lios->c_lflag & LINUX_ECHONL) 616 bios->c_lflag |= ECHONL; 617 if (lios->c_lflag & LINUX_NOFLSH) 618 bios->c_lflag |= NOFLSH; 619 if (lios->c_lflag & LINUX_TOSTOP) 620 bios->c_lflag |= TOSTOP; 621 if (lios->c_lflag & LINUX_ECHOCTL) 622 bios->c_lflag |= ECHOCTL; 623 if (lios->c_lflag & LINUX_ECHOPRT) 624 bios->c_lflag |= ECHOPRT; 625 if (lios->c_lflag & LINUX_ECHOKE) 626 bios->c_lflag |= ECHOKE; 627 if (lios->c_lflag & LINUX_FLUSHO) 628 bios->c_lflag |= FLUSHO; 629 if (lios->c_lflag & LINUX_PENDIN) 630 bios->c_lflag |= PENDIN; 631 if (lios->c_lflag & LINUX_IEXTEN) 632 bios->c_lflag |= IEXTEN; 633 634 for (i=0; i<NCCS; i++) 635 bios->c_cc[i] = _POSIX_VDISABLE; 636 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 637 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 638 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 639 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 640 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 641 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 642 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 643 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 644 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 645 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 646 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 647 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 648 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 649 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 650 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 651 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 652 653 for (i=0; i<NCCS; i++) { 654 if (i != VMIN && i != VTIME && 655 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 656 bios->c_cc[i] = _POSIX_VDISABLE; 657 } 658 659 bios->c_ispeed = bios->c_ospeed = 660 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 661 662#ifdef DEBUG 663 if (ldebug(ioctl)) { 664 printf("LINUX: BSD termios structure (output):\n"); 665 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 666 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 667 bios->c_ispeed, bios->c_ospeed); 668 printf("c_cc "); 669 for (i=0; i<NCCS; i++) 670 printf("%02x ", bios->c_cc[i]); 671 printf("\n"); 672 } 673#endif 674} 675 676static void 677bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 678{ 679 struct linux_termios lios; 680 681 bsd_to_linux_termios(bios, &lios); 682 lio->c_iflag = lios.c_iflag; 683 lio->c_oflag = lios.c_oflag; 684 lio->c_cflag = lios.c_cflag; 685 lio->c_lflag = lios.c_lflag; 686 lio->c_line = lios.c_line; 687 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 688} 689 690static void 691linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 692{ 693 struct linux_termios lios; 694 int i; 695 696 lios.c_iflag = lio->c_iflag; 697 lios.c_oflag = lio->c_oflag; 698 lios.c_cflag = lio->c_cflag; 699 lios.c_lflag = lio->c_lflag; 700 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 701 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 702 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 703 linux_to_bsd_termios(&lios, bios); 704} 705 706static int 707linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 708{ 709 struct termios bios; 710 struct linux_termios lios; 711 struct linux_termio lio; 712 cap_rights_t rights; 713 struct file *fp; 714 int error; 715 716 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 717 if (error != 0) 718 return (error); 719 720 switch (args->cmd & 0xffff) { 721 722 case LINUX_TCGETS: 723 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 724 td); 725 if (error) 726 break; 727 bsd_to_linux_termios(&bios, &lios); 728 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 729 break; 730 731 case LINUX_TCSETS: 732 error = copyin((void *)args->arg, &lios, sizeof(lios)); 733 if (error) 734 break; 735 linux_to_bsd_termios(&lios, &bios); 736 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 737 td)); 738 break; 739 740 case LINUX_TCSETSW: 741 error = copyin((void *)args->arg, &lios, sizeof(lios)); 742 if (error) 743 break; 744 linux_to_bsd_termios(&lios, &bios); 745 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 746 td)); 747 break; 748 749 case LINUX_TCSETSF: 750 error = copyin((void *)args->arg, &lios, sizeof(lios)); 751 if (error) 752 break; 753 linux_to_bsd_termios(&lios, &bios); 754 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 755 td)); 756 break; 757 758 case LINUX_TCGETA: 759 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 760 td); 761 if (error) 762 break; 763 bsd_to_linux_termio(&bios, &lio); 764 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 765 break; 766 767 case LINUX_TCSETA: 768 error = copyin((void *)args->arg, &lio, sizeof(lio)); 769 if (error) 770 break; 771 linux_to_bsd_termio(&lio, &bios); 772 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 773 td)); 774 break; 775 776 case LINUX_TCSETAW: 777 error = copyin((void *)args->arg, &lio, sizeof(lio)); 778 if (error) 779 break; 780 linux_to_bsd_termio(&lio, &bios); 781 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 782 td)); 783 break; 784 785 case LINUX_TCSETAF: 786 error = copyin((void *)args->arg, &lio, sizeof(lio)); 787 if (error) 788 break; 789 linux_to_bsd_termio(&lio, &bios); 790 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 791 td)); 792 break; 793 794 /* LINUX_TCSBRK */ 795 796 case LINUX_TCXONC: { 797 switch (args->arg) { 798 case LINUX_TCOOFF: 799 args->cmd = TIOCSTOP; 800 break; 801 case LINUX_TCOON: 802 args->cmd = TIOCSTART; 803 break; 804 case LINUX_TCIOFF: 805 case LINUX_TCION: { 806 int c; 807 struct write_args wr; 808 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 809 td->td_ucred, td); 810 if (error) 811 break; 812 fdrop(fp, td); 813 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 814 c = bios.c_cc[c]; 815 if (c != _POSIX_VDISABLE) { 816 wr.fd = args->fd; 817 wr.buf = &c; 818 wr.nbyte = sizeof(c); 819 return (sys_write(td, &wr)); 820 } else 821 return (0); 822 } 823 default: 824 fdrop(fp, td); 825 return (EINVAL); 826 } 827 args->arg = 0; 828 error = (sys_ioctl(td, (struct ioctl_args *)args)); 829 break; 830 } 831 832 case LINUX_TCFLSH: { 833 int val; 834 switch (args->arg) { 835 case LINUX_TCIFLUSH: 836 val = FREAD; 837 break; 838 case LINUX_TCOFLUSH: 839 val = FWRITE; 840 break; 841 case LINUX_TCIOFLUSH: 842 val = FREAD | FWRITE; 843 break; 844 default: 845 fdrop(fp, td); 846 return (EINVAL); 847 } 848 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 849 break; 850 } 851 852 case LINUX_TIOCEXCL: 853 args->cmd = TIOCEXCL; 854 error = (sys_ioctl(td, (struct ioctl_args *)args)); 855 break; 856 857 case LINUX_TIOCNXCL: 858 args->cmd = TIOCNXCL; 859 error = (sys_ioctl(td, (struct ioctl_args *)args)); 860 break; 861 862 case LINUX_TIOCSCTTY: 863 args->cmd = TIOCSCTTY; 864 error = (sys_ioctl(td, (struct ioctl_args *)args)); 865 break; 866 867 case LINUX_TIOCGPGRP: 868 args->cmd = TIOCGPGRP; 869 error = (sys_ioctl(td, (struct ioctl_args *)args)); 870 break; 871 872 case LINUX_TIOCSPGRP: 873 args->cmd = TIOCSPGRP; 874 error = (sys_ioctl(td, (struct ioctl_args *)args)); 875 break; 876 877 /* LINUX_TIOCOUTQ */ 878 /* LINUX_TIOCSTI */ 879 880 case LINUX_TIOCGWINSZ: 881 args->cmd = TIOCGWINSZ; 882 error = (sys_ioctl(td, (struct ioctl_args *)args)); 883 break; 884 885 case LINUX_TIOCSWINSZ: 886 args->cmd = TIOCSWINSZ; 887 error = (sys_ioctl(td, (struct ioctl_args *)args)); 888 break; 889 890 case LINUX_TIOCMGET: 891 args->cmd = TIOCMGET; 892 error = (sys_ioctl(td, (struct ioctl_args *)args)); 893 break; 894 895 case LINUX_TIOCMBIS: 896 args->cmd = TIOCMBIS; 897 error = (sys_ioctl(td, (struct ioctl_args *)args)); 898 break; 899 900 case LINUX_TIOCMBIC: 901 args->cmd = TIOCMBIC; 902 error = (sys_ioctl(td, (struct ioctl_args *)args)); 903 break; 904 905 case LINUX_TIOCMSET: 906 args->cmd = TIOCMSET; 907 error = (sys_ioctl(td, (struct ioctl_args *)args)); 908 break; 909 910 /* TIOCGSOFTCAR */ 911 /* TIOCSSOFTCAR */ 912 913 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 914 args->cmd = FIONREAD; 915 error = (sys_ioctl(td, (struct ioctl_args *)args)); 916 break; 917 918 /* LINUX_TIOCLINUX */ 919 920 case LINUX_TIOCCONS: 921 args->cmd = TIOCCONS; 922 error = (sys_ioctl(td, (struct ioctl_args *)args)); 923 break; 924 925 case LINUX_TIOCGSERIAL: { 926 struct linux_serial_struct lss; 927 928 bzero(&lss, sizeof(lss)); 929 lss.type = LINUX_PORT_16550A; 930 lss.flags = 0; 931 lss.close_delay = 0; 932 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 933 break; 934 } 935 936 case LINUX_TIOCSSERIAL: { 937 struct linux_serial_struct lss; 938 error = copyin((void *)args->arg, &lss, sizeof(lss)); 939 if (error) 940 break; 941 /* XXX - It really helps to have an implementation that 942 * does nothing. NOT! 943 */ 944 error = 0; 945 break; 946 } 947 948 case LINUX_TIOCPKT: 949 args->cmd = TIOCPKT; 950 error = (sys_ioctl(td, (struct ioctl_args *)args)); 951 break; 952 953 case LINUX_FIONBIO: 954 args->cmd = FIONBIO; 955 error = (sys_ioctl(td, (struct ioctl_args *)args)); 956 break; 957 958 case LINUX_TIOCNOTTY: 959 args->cmd = TIOCNOTTY; 960 error = (sys_ioctl(td, (struct ioctl_args *)args)); 961 break; 962 963 case LINUX_TIOCSETD: { 964 int line; 965 switch (args->arg) { 966 case LINUX_N_TTY: 967 line = TTYDISC; 968 break; 969 case LINUX_N_SLIP: 970 line = SLIPDISC; 971 break; 972 case LINUX_N_PPP: 973 line = PPPDISC; 974 break; 975 default: 976 fdrop(fp, td); 977 return (EINVAL); 978 } 979 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 980 td)); 981 break; 982 } 983 984 case LINUX_TIOCGETD: { 985 int linux_line; 986 int bsd_line = TTYDISC; 987 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 988 td->td_ucred, td); 989 if (error) 990 break; 991 switch (bsd_line) { 992 case TTYDISC: 993 linux_line = LINUX_N_TTY; 994 break; 995 case SLIPDISC: 996 linux_line = LINUX_N_SLIP; 997 break; 998 case PPPDISC: 999 linux_line = LINUX_N_PPP; 1000 break; 1001 default: 1002 fdrop(fp, td); 1003 return (EINVAL); 1004 } 1005 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 1006 break; 1007 } 1008 1009 /* LINUX_TCSBRKP */ 1010 /* LINUX_TIOCTTYGSTRUCT */ 1011 1012 case LINUX_FIONCLEX: 1013 args->cmd = FIONCLEX; 1014 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1015 break; 1016 1017 case LINUX_FIOCLEX: 1018 args->cmd = FIOCLEX; 1019 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1020 break; 1021 1022 case LINUX_FIOASYNC: 1023 args->cmd = FIOASYNC; 1024 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1025 break; 1026 1027 /* LINUX_TIOCSERCONFIG */ 1028 /* LINUX_TIOCSERGWILD */ 1029 /* LINUX_TIOCSERSWILD */ 1030 /* LINUX_TIOCGLCKTRMIOS */ 1031 /* LINUX_TIOCSLCKTRMIOS */ 1032 1033 case LINUX_TIOCSBRK: 1034 args->cmd = TIOCSBRK; 1035 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1036 break; 1037 1038 case LINUX_TIOCCBRK: 1039 args->cmd = TIOCCBRK; 1040 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1041 break; 1042 case LINUX_TIOCGPTN: { 1043 int nb; 1044 1045 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1046 if (!error) 1047 error = copyout(&nb, (void *)args->arg, 1048 sizeof(int)); 1049 break; 1050 } 1051 case LINUX_TIOCSPTLCK: 1052 /* Our unlockpt() does nothing. */ 1053 error = 0; 1054 break; 1055 default: 1056 error = ENOIOCTL; 1057 break; 1058 } 1059 1060 fdrop(fp, td); 1061 return (error); 1062} 1063 1064/* 1065 * CDROM related ioctls 1066 */ 1067 1068struct linux_cdrom_msf 1069{ 1070 u_char cdmsf_min0; 1071 u_char cdmsf_sec0; 1072 u_char cdmsf_frame0; 1073 u_char cdmsf_min1; 1074 u_char cdmsf_sec1; 1075 u_char cdmsf_frame1; 1076}; 1077 1078struct linux_cdrom_tochdr 1079{ 1080 u_char cdth_trk0; 1081 u_char cdth_trk1; 1082}; 1083 1084union linux_cdrom_addr 1085{ 1086 struct { 1087 u_char minute; 1088 u_char second; 1089 u_char frame; 1090 } msf; 1091 int lba; 1092}; 1093 1094struct linux_cdrom_tocentry 1095{ 1096 u_char cdte_track; 1097 u_char cdte_adr:4; 1098 u_char cdte_ctrl:4; 1099 u_char cdte_format; 1100 union linux_cdrom_addr cdte_addr; 1101 u_char cdte_datamode; 1102}; 1103 1104struct linux_cdrom_subchnl 1105{ 1106 u_char cdsc_format; 1107 u_char cdsc_audiostatus; 1108 u_char cdsc_adr:4; 1109 u_char cdsc_ctrl:4; 1110 u_char cdsc_trk; 1111 u_char cdsc_ind; 1112 union linux_cdrom_addr cdsc_absaddr; 1113 union linux_cdrom_addr cdsc_reladdr; 1114}; 1115 1116struct l_cdrom_read_audio { 1117 union linux_cdrom_addr addr; 1118 u_char addr_format; 1119 l_int nframes; 1120 u_char *buf; 1121}; 1122 1123struct l_dvd_layer { 1124 u_char book_version:4; 1125 u_char book_type:4; 1126 u_char min_rate:4; 1127 u_char disc_size:4; 1128 u_char layer_type:4; 1129 u_char track_path:1; 1130 u_char nlayers:2; 1131 u_char track_density:4; 1132 u_char linear_density:4; 1133 u_char bca:1; 1134 u_int32_t start_sector; 1135 u_int32_t end_sector; 1136 u_int32_t end_sector_l0; 1137}; 1138 1139struct l_dvd_physical { 1140 u_char type; 1141 u_char layer_num; 1142 struct l_dvd_layer layer[4]; 1143}; 1144 1145struct l_dvd_copyright { 1146 u_char type; 1147 u_char layer_num; 1148 u_char cpst; 1149 u_char rmi; 1150}; 1151 1152struct l_dvd_disckey { 1153 u_char type; 1154 l_uint agid:2; 1155 u_char value[2048]; 1156}; 1157 1158struct l_dvd_bca { 1159 u_char type; 1160 l_int len; 1161 u_char value[188]; 1162}; 1163 1164struct l_dvd_manufact { 1165 u_char type; 1166 u_char layer_num; 1167 l_int len; 1168 u_char value[2048]; 1169}; 1170 1171typedef union { 1172 u_char type; 1173 struct l_dvd_physical physical; 1174 struct l_dvd_copyright copyright; 1175 struct l_dvd_disckey disckey; 1176 struct l_dvd_bca bca; 1177 struct l_dvd_manufact manufact; 1178} l_dvd_struct; 1179 1180typedef u_char l_dvd_key[5]; 1181typedef u_char l_dvd_challenge[10]; 1182 1183struct l_dvd_lu_send_agid { 1184 u_char type; 1185 l_uint agid:2; 1186}; 1187 1188struct l_dvd_host_send_challenge { 1189 u_char type; 1190 l_uint agid:2; 1191 l_dvd_challenge chal; 1192}; 1193 1194struct l_dvd_send_key { 1195 u_char type; 1196 l_uint agid:2; 1197 l_dvd_key key; 1198}; 1199 1200struct l_dvd_lu_send_challenge { 1201 u_char type; 1202 l_uint agid:2; 1203 l_dvd_challenge chal; 1204}; 1205 1206struct l_dvd_lu_send_title_key { 1207 u_char type; 1208 l_uint agid:2; 1209 l_dvd_key title_key; 1210 l_int lba; 1211 l_uint cpm:1; 1212 l_uint cp_sec:1; 1213 l_uint cgms:2; 1214}; 1215 1216struct l_dvd_lu_send_asf { 1217 u_char type; 1218 l_uint agid:2; 1219 l_uint asf:1; 1220}; 1221 1222struct l_dvd_host_send_rpcstate { 1223 u_char type; 1224 u_char pdrc; 1225}; 1226 1227struct l_dvd_lu_send_rpcstate { 1228 u_char type:2; 1229 u_char vra:3; 1230 u_char ucca:3; 1231 u_char region_mask; 1232 u_char rpc_scheme; 1233}; 1234 1235typedef union { 1236 u_char type; 1237 struct l_dvd_lu_send_agid lsa; 1238 struct l_dvd_host_send_challenge hsc; 1239 struct l_dvd_send_key lsk; 1240 struct l_dvd_lu_send_challenge lsc; 1241 struct l_dvd_send_key hsk; 1242 struct l_dvd_lu_send_title_key lstk; 1243 struct l_dvd_lu_send_asf lsasf; 1244 struct l_dvd_host_send_rpcstate hrpcs; 1245 struct l_dvd_lu_send_rpcstate lrpcs; 1246} l_dvd_authinfo; 1247 1248static void 1249bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1250{ 1251 if (af == CD_LBA_FORMAT) 1252 lp->lba = bp->lba; 1253 else { 1254 lp->msf.minute = bp->msf.minute; 1255 lp->msf.second = bp->msf.second; 1256 lp->msf.frame = bp->msf.frame; 1257 } 1258} 1259 1260static void 1261set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1262{ 1263 if (format == LINUX_CDROM_MSF) { 1264 addr->msf.frame = lba % 75; 1265 lba /= 75; 1266 lba += 2; 1267 addr->msf.second = lba % 60; 1268 addr->msf.minute = lba / 60; 1269 } else 1270 addr->lba = lba; 1271} 1272 1273static int 1274linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1275{ 1276 bp->format = lp->type; 1277 switch (bp->format) { 1278 case DVD_STRUCT_PHYSICAL: 1279 if (bp->layer_num >= 4) 1280 return (EINVAL); 1281 bp->layer_num = lp->physical.layer_num; 1282 break; 1283 case DVD_STRUCT_COPYRIGHT: 1284 bp->layer_num = lp->copyright.layer_num; 1285 break; 1286 case DVD_STRUCT_DISCKEY: 1287 bp->agid = lp->disckey.agid; 1288 break; 1289 case DVD_STRUCT_BCA: 1290 case DVD_STRUCT_MANUFACT: 1291 break; 1292 default: 1293 return (EINVAL); 1294 } 1295 return (0); 1296} 1297 1298static int 1299bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1300{ 1301 switch (bp->format) { 1302 case DVD_STRUCT_PHYSICAL: { 1303 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1304 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1305 memset(llp, 0, sizeof(*llp)); 1306 llp->book_version = blp->book_version; 1307 llp->book_type = blp->book_type; 1308 llp->min_rate = blp->max_rate; 1309 llp->disc_size = blp->disc_size; 1310 llp->layer_type = blp->layer_type; 1311 llp->track_path = blp->track_path; 1312 llp->nlayers = blp->nlayers; 1313 llp->track_density = blp->track_density; 1314 llp->linear_density = blp->linear_density; 1315 llp->bca = blp->bca; 1316 llp->start_sector = blp->start_sector; 1317 llp->end_sector = blp->end_sector; 1318 llp->end_sector_l0 = blp->end_sector_l0; 1319 break; 1320 } 1321 case DVD_STRUCT_COPYRIGHT: 1322 lp->copyright.cpst = bp->cpst; 1323 lp->copyright.rmi = bp->rmi; 1324 break; 1325 case DVD_STRUCT_DISCKEY: 1326 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1327 break; 1328 case DVD_STRUCT_BCA: 1329 lp->bca.len = bp->length; 1330 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1331 break; 1332 case DVD_STRUCT_MANUFACT: 1333 lp->manufact.len = bp->length; 1334 memcpy(lp->manufact.value, bp->data, 1335 sizeof(lp->manufact.value)); 1336 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1337 break; 1338 default: 1339 return (EINVAL); 1340 } 1341 return (0); 1342} 1343 1344static int 1345linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1346 struct dvd_authinfo *bp) 1347{ 1348 switch (lp->type) { 1349 case LINUX_DVD_LU_SEND_AGID: 1350 *bcode = DVDIOCREPORTKEY; 1351 bp->format = DVD_REPORT_AGID; 1352 bp->agid = lp->lsa.agid; 1353 break; 1354 case LINUX_DVD_HOST_SEND_CHALLENGE: 1355 *bcode = DVDIOCSENDKEY; 1356 bp->format = DVD_SEND_CHALLENGE; 1357 bp->agid = lp->hsc.agid; 1358 memcpy(bp->keychal, lp->hsc.chal, 10); 1359 break; 1360 case LINUX_DVD_LU_SEND_KEY1: 1361 *bcode = DVDIOCREPORTKEY; 1362 bp->format = DVD_REPORT_KEY1; 1363 bp->agid = lp->lsk.agid; 1364 break; 1365 case LINUX_DVD_LU_SEND_CHALLENGE: 1366 *bcode = DVDIOCREPORTKEY; 1367 bp->format = DVD_REPORT_CHALLENGE; 1368 bp->agid = lp->lsc.agid; 1369 break; 1370 case LINUX_DVD_HOST_SEND_KEY2: 1371 *bcode = DVDIOCSENDKEY; 1372 bp->format = DVD_SEND_KEY2; 1373 bp->agid = lp->hsk.agid; 1374 memcpy(bp->keychal, lp->hsk.key, 5); 1375 break; 1376 case LINUX_DVD_LU_SEND_TITLE_KEY: 1377 *bcode = DVDIOCREPORTKEY; 1378 bp->format = DVD_REPORT_TITLE_KEY; 1379 bp->agid = lp->lstk.agid; 1380 bp->lba = lp->lstk.lba; 1381 break; 1382 case LINUX_DVD_LU_SEND_ASF: 1383 *bcode = DVDIOCREPORTKEY; 1384 bp->format = DVD_REPORT_ASF; 1385 bp->agid = lp->lsasf.agid; 1386 break; 1387 case LINUX_DVD_INVALIDATE_AGID: 1388 *bcode = DVDIOCREPORTKEY; 1389 bp->format = DVD_INVALIDATE_AGID; 1390 bp->agid = lp->lsa.agid; 1391 break; 1392 case LINUX_DVD_LU_SEND_RPC_STATE: 1393 *bcode = DVDIOCREPORTKEY; 1394 bp->format = DVD_REPORT_RPC; 1395 break; 1396 case LINUX_DVD_HOST_SEND_RPC_STATE: 1397 *bcode = DVDIOCSENDKEY; 1398 bp->format = DVD_SEND_RPC; 1399 bp->region = lp->hrpcs.pdrc; 1400 break; 1401 default: 1402 return (EINVAL); 1403 } 1404 return (0); 1405} 1406 1407static int 1408bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1409{ 1410 switch (lp->type) { 1411 case LINUX_DVD_LU_SEND_AGID: 1412 lp->lsa.agid = bp->agid; 1413 break; 1414 case LINUX_DVD_HOST_SEND_CHALLENGE: 1415 lp->type = LINUX_DVD_LU_SEND_KEY1; 1416 break; 1417 case LINUX_DVD_LU_SEND_KEY1: 1418 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1419 break; 1420 case LINUX_DVD_LU_SEND_CHALLENGE: 1421 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1422 break; 1423 case LINUX_DVD_HOST_SEND_KEY2: 1424 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1425 break; 1426 case LINUX_DVD_LU_SEND_TITLE_KEY: 1427 memcpy(lp->lstk.title_key, bp->keychal, 1428 sizeof(lp->lstk.title_key)); 1429 lp->lstk.cpm = bp->cpm; 1430 lp->lstk.cp_sec = bp->cp_sec; 1431 lp->lstk.cgms = bp->cgms; 1432 break; 1433 case LINUX_DVD_LU_SEND_ASF: 1434 lp->lsasf.asf = bp->asf; 1435 break; 1436 case LINUX_DVD_INVALIDATE_AGID: 1437 break; 1438 case LINUX_DVD_LU_SEND_RPC_STATE: 1439 lp->lrpcs.type = bp->reg_type; 1440 lp->lrpcs.vra = bp->vend_rsts; 1441 lp->lrpcs.ucca = bp->user_rsts; 1442 lp->lrpcs.region_mask = bp->region; 1443 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1444 break; 1445 case LINUX_DVD_HOST_SEND_RPC_STATE: 1446 break; 1447 default: 1448 return (EINVAL); 1449 } 1450 return (0); 1451} 1452 1453static int 1454linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1455{ 1456 cap_rights_t rights; 1457 struct file *fp; 1458 int error; 1459 1460 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1461 if (error != 0) 1462 return (error); 1463 switch (args->cmd & 0xffff) { 1464 1465 case LINUX_CDROMPAUSE: 1466 args->cmd = CDIOCPAUSE; 1467 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1468 break; 1469 1470 case LINUX_CDROMRESUME: 1471 args->cmd = CDIOCRESUME; 1472 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1473 break; 1474 1475 case LINUX_CDROMPLAYMSF: 1476 args->cmd = CDIOCPLAYMSF; 1477 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1478 break; 1479 1480 case LINUX_CDROMPLAYTRKIND: 1481 args->cmd = CDIOCPLAYTRACKS; 1482 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1483 break; 1484 1485 case LINUX_CDROMREADTOCHDR: { 1486 struct ioc_toc_header th; 1487 struct linux_cdrom_tochdr lth; 1488 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1489 td->td_ucred, td); 1490 if (!error) { 1491 lth.cdth_trk0 = th.starting_track; 1492 lth.cdth_trk1 = th.ending_track; 1493 copyout(<h, (void *)args->arg, sizeof(lth)); 1494 } 1495 break; 1496 } 1497 1498 case LINUX_CDROMREADTOCENTRY: { 1499 struct linux_cdrom_tocentry lte; 1500 struct ioc_read_toc_single_entry irtse; 1501 1502 error = copyin((void *)args->arg, <e, sizeof(lte)); 1503 if (error) 1504 break; 1505 irtse.address_format = lte.cdte_format; 1506 irtse.track = lte.cdte_track; 1507 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1508 td->td_ucred, td); 1509 if (!error) { 1510 lte.cdte_ctrl = irtse.entry.control; 1511 lte.cdte_adr = irtse.entry.addr_type; 1512 bsd_to_linux_msf_lba(irtse.address_format, 1513 &irtse.entry.addr, <e.cdte_addr); 1514 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1515 } 1516 break; 1517 } 1518 1519 case LINUX_CDROMSTOP: 1520 args->cmd = CDIOCSTOP; 1521 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1522 break; 1523 1524 case LINUX_CDROMSTART: 1525 args->cmd = CDIOCSTART; 1526 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1527 break; 1528 1529 case LINUX_CDROMEJECT: 1530 args->cmd = CDIOCEJECT; 1531 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1532 break; 1533 1534 /* LINUX_CDROMVOLCTRL */ 1535 1536 case LINUX_CDROMSUBCHNL: { 1537 struct linux_cdrom_subchnl sc; 1538 struct ioc_read_subchannel bsdsc; 1539 struct cd_sub_channel_info bsdinfo; 1540 1541 bsdsc.address_format = CD_LBA_FORMAT; 1542 bsdsc.data_format = CD_CURRENT_POSITION; 1543 bsdsc.track = 0; 1544 bsdsc.data_len = sizeof(bsdinfo); 1545 bsdsc.data = &bsdinfo; 1546 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1547 (caddr_t)&bsdsc, td->td_ucred, td); 1548 if (error) 1549 break; 1550 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1551 if (error) 1552 break; 1553 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1554 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1555 sc.cdsc_ctrl = bsdinfo.what.position.control; 1556 sc.cdsc_trk = bsdinfo.what.position.track_number; 1557 sc.cdsc_ind = bsdinfo.what.position.index_number; 1558 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1559 bsdinfo.what.position.absaddr.lba); 1560 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1561 bsdinfo.what.position.reladdr.lba); 1562 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1563 break; 1564 } 1565 1566 /* LINUX_CDROMREADMODE2 */ 1567 /* LINUX_CDROMREADMODE1 */ 1568 /* LINUX_CDROMREADAUDIO */ 1569 /* LINUX_CDROMEJECT_SW */ 1570 /* LINUX_CDROMMULTISESSION */ 1571 /* LINUX_CDROM_GET_UPC */ 1572 1573 case LINUX_CDROMRESET: 1574 args->cmd = CDIOCRESET; 1575 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1576 break; 1577 1578 /* LINUX_CDROMVOLREAD */ 1579 /* LINUX_CDROMREADRAW */ 1580 /* LINUX_CDROMREADCOOKED */ 1581 /* LINUX_CDROMSEEK */ 1582 /* LINUX_CDROMPLAYBLK */ 1583 /* LINUX_CDROMREADALL */ 1584 /* LINUX_CDROMCLOSETRAY */ 1585 /* LINUX_CDROMLOADFROMSLOT */ 1586 /* LINUX_CDROMGETSPINDOWN */ 1587 /* LINUX_CDROMSETSPINDOWN */ 1588 /* LINUX_CDROM_SET_OPTIONS */ 1589 /* LINUX_CDROM_CLEAR_OPTIONS */ 1590 /* LINUX_CDROM_SELECT_SPEED */ 1591 /* LINUX_CDROM_SELECT_DISC */ 1592 /* LINUX_CDROM_MEDIA_CHANGED */ 1593 /* LINUX_CDROM_DRIVE_STATUS */ 1594 /* LINUX_CDROM_DISC_STATUS */ 1595 /* LINUX_CDROM_CHANGER_NSLOTS */ 1596 /* LINUX_CDROM_LOCKDOOR */ 1597 /* LINUX_CDROM_DEBUG */ 1598 /* LINUX_CDROM_GET_CAPABILITY */ 1599 /* LINUX_CDROMAUDIOBUFSIZ */ 1600 1601 case LINUX_DVD_READ_STRUCT: { 1602 l_dvd_struct *lds; 1603 struct dvd_struct *bds; 1604 1605 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1606 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1607 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1608 if (error) 1609 goto out; 1610 error = linux_to_bsd_dvd_struct(lds, bds); 1611 if (error) 1612 goto out; 1613 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1614 td->td_ucred, td); 1615 if (error) 1616 goto out; 1617 error = bsd_to_linux_dvd_struct(bds, lds); 1618 if (error) 1619 goto out; 1620 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1621 out: 1622 free(bds, M_LINUX); 1623 free(lds, M_LINUX); 1624 break; 1625 } 1626 1627 /* LINUX_DVD_WRITE_STRUCT */ 1628 1629 case LINUX_DVD_AUTH: { 1630 l_dvd_authinfo lda; 1631 struct dvd_authinfo bda; 1632 int bcode; 1633 1634 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1635 if (error) 1636 break; 1637 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1638 if (error) 1639 break; 1640 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1641 td); 1642 if (error) { 1643 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1644 lda.type = LINUX_DVD_AUTH_FAILURE; 1645 copyout(&lda, (void *)args->arg, sizeof(lda)); 1646 } 1647 break; 1648 } 1649 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1650 if (error) 1651 break; 1652 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1653 break; 1654 } 1655 1656 case LINUX_SCSI_GET_BUS_NUMBER: 1657 { 1658 struct sg_scsi_id id; 1659 1660 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1661 td->td_ucred, td); 1662 if (error) 1663 break; 1664 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1665 break; 1666 } 1667 1668 case LINUX_SCSI_GET_IDLUN: 1669 { 1670 struct sg_scsi_id id; 1671 struct scsi_idlun idl; 1672 1673 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1674 td->td_ucred, td); 1675 if (error) 1676 break; 1677 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1678 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1679 idl.host_unique_id = id.host_no; 1680 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1681 break; 1682 } 1683 1684 /* LINUX_CDROM_SEND_PACKET */ 1685 /* LINUX_CDROM_NEXT_WRITABLE */ 1686 /* LINUX_CDROM_LAST_WRITTEN */ 1687 1688 default: 1689 error = ENOIOCTL; 1690 break; 1691 } 1692 1693 fdrop(fp, td); 1694 return (error); 1695} 1696 1697static int 1698linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1699{ 1700 1701 return (ENOTTY); 1702} 1703 1704/* 1705 * Sound related ioctls 1706 */ 1707 1708struct linux_old_mixer_info { 1709 char id[16]; 1710 char name[32]; 1711}; 1712 1713static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1714 1715#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1716 1717static int 1718linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1719{ 1720 1721 switch (args->cmd & 0xffff) { 1722 1723 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1724 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1725 return (sys_ioctl(td, (struct ioctl_args *)args)); 1726 1727 case LINUX_SOUND_MIXER_WRITE_BASS: 1728 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1729 return (sys_ioctl(td, (struct ioctl_args *)args)); 1730 1731 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1732 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1733 return (sys_ioctl(td, (struct ioctl_args *)args)); 1734 1735 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1736 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1737 return (sys_ioctl(td, (struct ioctl_args *)args)); 1738 1739 case LINUX_SOUND_MIXER_WRITE_PCM: 1740 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1741 return (sys_ioctl(td, (struct ioctl_args *)args)); 1742 1743 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1744 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1745 return (sys_ioctl(td, (struct ioctl_args *)args)); 1746 1747 case LINUX_SOUND_MIXER_WRITE_LINE: 1748 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1749 return (sys_ioctl(td, (struct ioctl_args *)args)); 1750 1751 case LINUX_SOUND_MIXER_WRITE_MIC: 1752 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1753 return (sys_ioctl(td, (struct ioctl_args *)args)); 1754 1755 case LINUX_SOUND_MIXER_WRITE_CD: 1756 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1757 return (sys_ioctl(td, (struct ioctl_args *)args)); 1758 1759 case LINUX_SOUND_MIXER_WRITE_IMIX: 1760 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1761 return (sys_ioctl(td, (struct ioctl_args *)args)); 1762 1763 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1764 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1765 return (sys_ioctl(td, (struct ioctl_args *)args)); 1766 1767 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1768 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1769 return (sys_ioctl(td, (struct ioctl_args *)args)); 1770 1771 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1772 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1773 return (sys_ioctl(td, (struct ioctl_args *)args)); 1774 1775 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1776 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1777 return (sys_ioctl(td, (struct ioctl_args *)args)); 1778 1779 case LINUX_SOUND_MIXER_WRITE_LINE1: 1780 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1781 return (sys_ioctl(td, (struct ioctl_args *)args)); 1782 1783 case LINUX_SOUND_MIXER_WRITE_LINE2: 1784 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1785 return (sys_ioctl(td, (struct ioctl_args *)args)); 1786 1787 case LINUX_SOUND_MIXER_WRITE_LINE3: 1788 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1789 return (sys_ioctl(td, (struct ioctl_args *)args)); 1790 1791 case LINUX_SOUND_MIXER_INFO: { 1792 /* Key on encoded length */ 1793 switch ((args->cmd >> 16) & 0x1fff) { 1794 case 0x005c: { /* SOUND_MIXER_INFO */ 1795 args->cmd = SOUND_MIXER_INFO; 1796 return (sys_ioctl(td, (struct ioctl_args *)args)); 1797 } 1798 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1799 struct linux_old_mixer_info info; 1800 bzero(&info, sizeof(info)); 1801 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1802 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1803 copyout(&info, (void *)args->arg, sizeof(info)); 1804 return (0); 1805 } 1806 default: 1807 return (ENOIOCTL); 1808 } 1809 break; 1810 } 1811 1812 case LINUX_OSS_GETVERSION: { 1813 int version = linux_get_oss_version(td); 1814 return (copyout(&version, (void *)args->arg, sizeof(int))); 1815 } 1816 1817 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1818 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1819 return (sys_ioctl(td, (struct ioctl_args *)args)); 1820 1821 case LINUX_SOUND_MIXER_READ_CAPS: 1822 args->cmd = SOUND_MIXER_READ_CAPS; 1823 return (sys_ioctl(td, (struct ioctl_args *)args)); 1824 1825 case LINUX_SOUND_MIXER_READ_RECMASK: 1826 args->cmd = SOUND_MIXER_READ_RECMASK; 1827 return (sys_ioctl(td, (struct ioctl_args *)args)); 1828 1829 case LINUX_SOUND_MIXER_READ_DEVMASK: 1830 args->cmd = SOUND_MIXER_READ_DEVMASK; 1831 return (sys_ioctl(td, (struct ioctl_args *)args)); 1832 1833 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1834 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1835 return (sys_ioctl(td, (struct ioctl_args *)args)); 1836 1837 case LINUX_SNDCTL_DSP_RESET: 1838 args->cmd = SNDCTL_DSP_RESET; 1839 return (sys_ioctl(td, (struct ioctl_args *)args)); 1840 1841 case LINUX_SNDCTL_DSP_SYNC: 1842 args->cmd = SNDCTL_DSP_SYNC; 1843 return (sys_ioctl(td, (struct ioctl_args *)args)); 1844 1845 case LINUX_SNDCTL_DSP_SPEED: 1846 args->cmd = SNDCTL_DSP_SPEED; 1847 return (sys_ioctl(td, (struct ioctl_args *)args)); 1848 1849 case LINUX_SNDCTL_DSP_STEREO: 1850 args->cmd = SNDCTL_DSP_STEREO; 1851 return (sys_ioctl(td, (struct ioctl_args *)args)); 1852 1853 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1854 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1855 return (sys_ioctl(td, (struct ioctl_args *)args)); 1856 1857 case LINUX_SNDCTL_DSP_SETFMT: 1858 args->cmd = SNDCTL_DSP_SETFMT; 1859 return (sys_ioctl(td, (struct ioctl_args *)args)); 1860 1861 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1862 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1863 return (sys_ioctl(td, (struct ioctl_args *)args)); 1864 1865 case LINUX_SOUND_PCM_WRITE_FILTER: 1866 args->cmd = SOUND_PCM_WRITE_FILTER; 1867 return (sys_ioctl(td, (struct ioctl_args *)args)); 1868 1869 case LINUX_SNDCTL_DSP_POST: 1870 args->cmd = SNDCTL_DSP_POST; 1871 return (sys_ioctl(td, (struct ioctl_args *)args)); 1872 1873 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1874 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1875 return (sys_ioctl(td, (struct ioctl_args *)args)); 1876 1877 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1878 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1879 return (sys_ioctl(td, (struct ioctl_args *)args)); 1880 1881 case LINUX_SNDCTL_DSP_GETFMTS: 1882 args->cmd = SNDCTL_DSP_GETFMTS; 1883 return (sys_ioctl(td, (struct ioctl_args *)args)); 1884 1885 case LINUX_SNDCTL_DSP_GETOSPACE: 1886 args->cmd = SNDCTL_DSP_GETOSPACE; 1887 return (sys_ioctl(td, (struct ioctl_args *)args)); 1888 1889 case LINUX_SNDCTL_DSP_GETISPACE: 1890 args->cmd = SNDCTL_DSP_GETISPACE; 1891 return (sys_ioctl(td, (struct ioctl_args *)args)); 1892 1893 case LINUX_SNDCTL_DSP_NONBLOCK: 1894 args->cmd = SNDCTL_DSP_NONBLOCK; 1895 return (sys_ioctl(td, (struct ioctl_args *)args)); 1896 1897 case LINUX_SNDCTL_DSP_GETCAPS: 1898 args->cmd = SNDCTL_DSP_GETCAPS; 1899 return (sys_ioctl(td, (struct ioctl_args *)args)); 1900 1901 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1902 args->cmd = SNDCTL_DSP_SETTRIGGER; 1903 return (sys_ioctl(td, (struct ioctl_args *)args)); 1904 1905 case LINUX_SNDCTL_DSP_GETIPTR: 1906 args->cmd = SNDCTL_DSP_GETIPTR; 1907 return (sys_ioctl(td, (struct ioctl_args *)args)); 1908 1909 case LINUX_SNDCTL_DSP_GETOPTR: 1910 args->cmd = SNDCTL_DSP_GETOPTR; 1911 return (sys_ioctl(td, (struct ioctl_args *)args)); 1912 1913 case LINUX_SNDCTL_DSP_SETDUPLEX: 1914 args->cmd = SNDCTL_DSP_SETDUPLEX; 1915 return (sys_ioctl(td, (struct ioctl_args *)args)); 1916 1917 case LINUX_SNDCTL_DSP_GETODELAY: 1918 args->cmd = SNDCTL_DSP_GETODELAY; 1919 return (sys_ioctl(td, (struct ioctl_args *)args)); 1920 1921 case LINUX_SNDCTL_SEQ_RESET: 1922 args->cmd = SNDCTL_SEQ_RESET; 1923 return (sys_ioctl(td, (struct ioctl_args *)args)); 1924 1925 case LINUX_SNDCTL_SEQ_SYNC: 1926 args->cmd = SNDCTL_SEQ_SYNC; 1927 return (sys_ioctl(td, (struct ioctl_args *)args)); 1928 1929 case LINUX_SNDCTL_SYNTH_INFO: 1930 args->cmd = SNDCTL_SYNTH_INFO; 1931 return (sys_ioctl(td, (struct ioctl_args *)args)); 1932 1933 case LINUX_SNDCTL_SEQ_CTRLRATE: 1934 args->cmd = SNDCTL_SEQ_CTRLRATE; 1935 return (sys_ioctl(td, (struct ioctl_args *)args)); 1936 1937 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1938 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1939 return (sys_ioctl(td, (struct ioctl_args *)args)); 1940 1941 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1942 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1943 return (sys_ioctl(td, (struct ioctl_args *)args)); 1944 1945 case LINUX_SNDCTL_SEQ_PERCMODE: 1946 args->cmd = SNDCTL_SEQ_PERCMODE; 1947 return (sys_ioctl(td, (struct ioctl_args *)args)); 1948 1949 case LINUX_SNDCTL_FM_LOAD_INSTR: 1950 args->cmd = SNDCTL_FM_LOAD_INSTR; 1951 return (sys_ioctl(td, (struct ioctl_args *)args)); 1952 1953 case LINUX_SNDCTL_SEQ_TESTMIDI: 1954 args->cmd = SNDCTL_SEQ_TESTMIDI; 1955 return (sys_ioctl(td, (struct ioctl_args *)args)); 1956 1957 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1958 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1959 return (sys_ioctl(td, (struct ioctl_args *)args)); 1960 1961 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1962 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1963 return (sys_ioctl(td, (struct ioctl_args *)args)); 1964 1965 case LINUX_SNDCTL_SEQ_NRMIDIS: 1966 args->cmd = SNDCTL_SEQ_NRMIDIS; 1967 return (sys_ioctl(td, (struct ioctl_args *)args)); 1968 1969 case LINUX_SNDCTL_MIDI_INFO: 1970 args->cmd = SNDCTL_MIDI_INFO; 1971 return (sys_ioctl(td, (struct ioctl_args *)args)); 1972 1973 case LINUX_SNDCTL_SEQ_TRESHOLD: 1974 args->cmd = SNDCTL_SEQ_TRESHOLD; 1975 return (sys_ioctl(td, (struct ioctl_args *)args)); 1976 1977 case LINUX_SNDCTL_SYNTH_MEMAVL: 1978 args->cmd = SNDCTL_SYNTH_MEMAVL; 1979 return (sys_ioctl(td, (struct ioctl_args *)args)); 1980 1981 } 1982 1983 return (ENOIOCTL); 1984} 1985 1986/* 1987 * Console related ioctls 1988 */ 1989 1990static int 1991linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1992{ 1993 cap_rights_t rights; 1994 struct file *fp; 1995 int error; 1996 1997 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1998 if (error != 0) 1999 return (error); 2000 switch (args->cmd & 0xffff) { 2001 2002 case LINUX_KIOCSOUND: 2003 args->cmd = KIOCSOUND; 2004 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2005 break; 2006 2007 case LINUX_KDMKTONE: 2008 args->cmd = KDMKTONE; 2009 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2010 break; 2011 2012 case LINUX_KDGETLED: 2013 args->cmd = KDGETLED; 2014 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2015 break; 2016 2017 case LINUX_KDSETLED: 2018 args->cmd = KDSETLED; 2019 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2020 break; 2021 2022 case LINUX_KDSETMODE: 2023 args->cmd = KDSETMODE; 2024 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2025 break; 2026 2027 case LINUX_KDGETMODE: 2028 args->cmd = KDGETMODE; 2029 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2030 break; 2031 2032 case LINUX_KDGKBMODE: 2033 args->cmd = KDGKBMODE; 2034 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2035 break; 2036 2037 case LINUX_KDSKBMODE: { 2038 int kbdmode; 2039 switch (args->arg) { 2040 case LINUX_KBD_RAW: 2041 kbdmode = K_RAW; 2042 break; 2043 case LINUX_KBD_XLATE: 2044 kbdmode = K_XLATE; 2045 break; 2046 case LINUX_KBD_MEDIUMRAW: 2047 kbdmode = K_RAW; 2048 break; 2049 default: 2050 fdrop(fp, td); 2051 return (EINVAL); 2052 } 2053 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2054 td->td_ucred, td)); 2055 break; 2056 } 2057 2058 case LINUX_VT_OPENQRY: 2059 args->cmd = VT_OPENQRY; 2060 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2061 break; 2062 2063 case LINUX_VT_GETMODE: 2064 args->cmd = VT_GETMODE; 2065 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2066 break; 2067 2068 case LINUX_VT_SETMODE: { 2069 struct vt_mode mode; 2070 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2071 break; 2072 if (LINUX_SIG_VALID(mode.relsig)) 2073 mode.relsig = linux_to_bsd_signal(mode.relsig); 2074 else 2075 mode.relsig = 0; 2076 if (LINUX_SIG_VALID(mode.acqsig)) 2077 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2078 else 2079 mode.acqsig = 0; 2080 /* XXX. Linux ignores frsig and set it to 0. */ 2081 mode.frsig = 0; 2082 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2083 break; 2084 args->cmd = VT_SETMODE; 2085 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2086 break; 2087 } 2088 2089 case LINUX_VT_GETSTATE: 2090 args->cmd = VT_GETACTIVE; 2091 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2092 break; 2093 2094 case LINUX_VT_RELDISP: 2095 args->cmd = VT_RELDISP; 2096 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2097 break; 2098 2099 case LINUX_VT_ACTIVATE: 2100 args->cmd = VT_ACTIVATE; 2101 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2102 break; 2103 2104 case LINUX_VT_WAITACTIVE: 2105 args->cmd = VT_WAITACTIVE; 2106 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2107 break; 2108 2109 default: 2110 error = ENOIOCTL; 2111 break; 2112 } 2113 2114 fdrop(fp, td); 2115 return (error); 2116} 2117 2118/* 2119 * Criteria for interface name translation 2120 */ 2121#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2122 2123/* 2124 * Translate a Linux interface name to a FreeBSD interface name, 2125 * and return the associated ifnet structure 2126 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2127 * can point to the same buffer. 2128 */ 2129 2130static struct ifnet * 2131ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2132{ 2133 struct ifnet *ifp; 2134 int len, unit; 2135 char *ep; 2136 int is_eth, index; 2137 2138 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2139 if (!isalpha(lxname[len])) 2140 break; 2141 if (len == 0 || len == LINUX_IFNAMSIZ) 2142 return (NULL); 2143 unit = (int)strtoul(lxname + len, &ep, 10); 2144 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2145 return (NULL); 2146 index = 0; 2147 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2148 CURVNET_SET(TD_TO_VNET(td)); 2149 IFNET_RLOCK(); 2150 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2151 /* 2152 * Allow Linux programs to use FreeBSD names. Don't presume 2153 * we never have an interface named "eth", so don't make 2154 * the test optional based on is_eth. 2155 */ 2156 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2157 break; 2158 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2159 break; 2160 } 2161 IFNET_RUNLOCK(); 2162 CURVNET_RESTORE(); 2163 if (ifp != NULL) 2164 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2165 return (ifp); 2166} 2167 2168/* 2169 * Implement the SIOCGIFCONF ioctl 2170 */ 2171 2172static int 2173linux_ifconf(struct thread *td, struct ifconf *uifc) 2174{ 2175#ifdef COMPAT_LINUX32 2176 struct l_ifconf ifc; 2177#else 2178 struct ifconf ifc; 2179#endif 2180 struct l_ifreq ifr; 2181 struct ifnet *ifp; 2182 struct ifaddr *ifa; 2183 struct sbuf *sb; 2184 int error, ethno, full = 0, valid_len, max_len; 2185 2186 error = copyin(uifc, &ifc, sizeof(ifc)); 2187 if (error != 0) 2188 return (error); 2189 2190 max_len = MAXPHYS - 1; 2191 2192 CURVNET_SET(TD_TO_VNET(td)); 2193 /* handle the 'request buffer size' case */ 2194 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2195 ifc.ifc_len = 0; 2196 IFNET_RLOCK(); 2197 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2198 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2199 struct sockaddr *sa = ifa->ifa_addr; 2200 if (sa->sa_family == AF_INET) 2201 ifc.ifc_len += sizeof(ifr); 2202 } 2203 } 2204 IFNET_RUNLOCK(); 2205 error = copyout(&ifc, uifc, sizeof(ifc)); 2206 CURVNET_RESTORE(); 2207 return (error); 2208 } 2209 2210 if (ifc.ifc_len <= 0) { 2211 CURVNET_RESTORE(); 2212 return (EINVAL); 2213 } 2214 2215again: 2216 /* Keep track of eth interfaces */ 2217 ethno = 0; 2218 if (ifc.ifc_len <= max_len) { 2219 max_len = ifc.ifc_len; 2220 full = 1; 2221 } 2222 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2223 max_len = 0; 2224 valid_len = 0; 2225 2226 /* Return all AF_INET addresses of all interfaces */ 2227 IFNET_RLOCK(); 2228 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2229 int addrs = 0; 2230 2231 bzero(&ifr, sizeof(ifr)); 2232 if (IFP_IS_ETH(ifp)) 2233 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2234 ethno++); 2235 else 2236 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2237 2238 /* Walk the address list */ 2239 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2240 struct sockaddr *sa = ifa->ifa_addr; 2241 2242 if (sa->sa_family == AF_INET) { 2243 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2244 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2245 sizeof(ifr.ifr_addr.sa_data)); 2246 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2247 max_len += sizeof(ifr); 2248 addrs++; 2249 } 2250 2251 if (sbuf_error(sb) == 0) 2252 valid_len = sbuf_len(sb); 2253 } 2254 if (addrs == 0) { 2255 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2256 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2257 max_len += sizeof(ifr); 2258 2259 if (sbuf_error(sb) == 0) 2260 valid_len = sbuf_len(sb); 2261 } 2262 } 2263 IFNET_RUNLOCK(); 2264 2265 if (valid_len != max_len && !full) { 2266 sbuf_delete(sb); 2267 goto again; 2268 } 2269 2270 ifc.ifc_len = valid_len; 2271 sbuf_finish(sb); 2272 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2273 if (error == 0) 2274 error = copyout(&ifc, uifc, sizeof(ifc)); 2275 sbuf_delete(sb); 2276 CURVNET_RESTORE(); 2277 2278 return (error); 2279} 2280 2281static int 2282linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2283{ 2284 l_short flags; 2285 2286 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2287 /* these flags have no Linux equivalent */ 2288 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2289 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2290 /* Linux' multicast flag is in a different bit */ 2291 if (flags & IFF_MULTICAST) { 2292 flags &= ~IFF_MULTICAST; 2293 flags |= 0x1000; 2294 } 2295 2296 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2297} 2298 2299#define ARPHRD_ETHER 1 2300#define ARPHRD_LOOPBACK 772 2301 2302static int 2303linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2304{ 2305 struct ifaddr *ifa; 2306 struct sockaddr_dl *sdl; 2307 struct l_sockaddr lsa; 2308 2309 if (ifp->if_type == IFT_LOOP) { 2310 bzero(&lsa, sizeof(lsa)); 2311 lsa.sa_family = ARPHRD_LOOPBACK; 2312 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2313 } 2314 2315 if (ifp->if_type != IFT_ETHER) 2316 return (ENOENT); 2317 2318 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2319 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2320 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2321 (sdl->sdl_type == IFT_ETHER)) { 2322 bzero(&lsa, sizeof(lsa)); 2323 lsa.sa_family = ARPHRD_ETHER; 2324 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2325 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2326 } 2327 } 2328 2329 return (ENOENT); 2330} 2331 2332 2333 /* 2334* If we fault in bsd_to_linux_ifreq() then we will fault when we call 2335* the native ioctl(). Thus, we don't really need to check the return 2336* value of this function. 2337*/ 2338static int 2339bsd_to_linux_ifreq(struct ifreq *arg) 2340{ 2341 struct ifreq ifr; 2342 size_t ifr_len = sizeof(struct ifreq); 2343 int error; 2344 2345 if ((error = copyin(arg, &ifr, ifr_len))) 2346 return (error); 2347 2348 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2349 2350 error = copyout(&ifr, arg, ifr_len); 2351 2352 return (error); 2353} 2354 2355/* 2356 * Socket related ioctls 2357 */ 2358 2359static int 2360linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2361{ 2362 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2363 cap_rights_t rights; 2364 struct ifnet *ifp; 2365 struct file *fp; 2366 int error, type; 2367 2368 ifp = NULL; 2369 error = 0; 2370 2371 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2372 if (error != 0) 2373 return (error); 2374 type = fp->f_type; 2375 fdrop(fp, td); 2376 if (type != DTYPE_SOCKET) { 2377 /* not a socket - probably a tap / vmnet device */ 2378 switch (args->cmd) { 2379 case LINUX_SIOCGIFADDR: 2380 case LINUX_SIOCSIFADDR: 2381 case LINUX_SIOCGIFFLAGS: 2382 return (linux_ioctl_special(td, args)); 2383 default: 2384 return (ENOIOCTL); 2385 } 2386 } 2387 2388 switch (args->cmd & 0xffff) { 2389 2390 case LINUX_FIOGETOWN: 2391 case LINUX_FIOSETOWN: 2392 case LINUX_SIOCADDMULTI: 2393 case LINUX_SIOCATMARK: 2394 case LINUX_SIOCDELMULTI: 2395 case LINUX_SIOCGIFCONF: 2396 case LINUX_SIOCGPGRP: 2397 case LINUX_SIOCSPGRP: 2398 case LINUX_SIOCGIFCOUNT: 2399 /* these ioctls don't take an interface name */ 2400#ifdef DEBUG 2401 printf("%s(): ioctl %d\n", __func__, 2402 args->cmd & 0xffff); 2403#endif 2404 break; 2405 2406 case LINUX_SIOCGIFFLAGS: 2407 case LINUX_SIOCGIFADDR: 2408 case LINUX_SIOCSIFADDR: 2409 case LINUX_SIOCGIFDSTADDR: 2410 case LINUX_SIOCGIFBRDADDR: 2411 case LINUX_SIOCGIFNETMASK: 2412 case LINUX_SIOCSIFNETMASK: 2413 case LINUX_SIOCGIFMTU: 2414 case LINUX_SIOCSIFMTU: 2415 case LINUX_SIOCSIFNAME: 2416 case LINUX_SIOCGIFHWADDR: 2417 case LINUX_SIOCSIFHWADDR: 2418 case LINUX_SIOCDEVPRIVATE: 2419 case LINUX_SIOCDEVPRIVATE+1: 2420 case LINUX_SIOCGIFINDEX: 2421 /* copy in the interface name and translate it. */ 2422 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2423 if (error != 0) 2424 return (error); 2425#ifdef DEBUG 2426 printf("%s(): ioctl %d on %.*s\n", __func__, 2427 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2428#endif 2429 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2430 if (ifp == NULL) 2431 return (EINVAL); 2432 /* 2433 * We need to copy it back out in case we pass the 2434 * request on to our native ioctl(), which will expect 2435 * the ifreq to be in user space and have the correct 2436 * interface name. 2437 */ 2438 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2439 if (error != 0) 2440 return (error); 2441#ifdef DEBUG 2442 printf("%s(): %s translated to %s\n", __func__, 2443 lifname, ifname); 2444#endif 2445 break; 2446 2447 default: 2448 return (ENOIOCTL); 2449 } 2450 2451 switch (args->cmd & 0xffff) { 2452 2453 case LINUX_FIOSETOWN: 2454 args->cmd = FIOSETOWN; 2455 error = sys_ioctl(td, (struct ioctl_args *)args); 2456 break; 2457 2458 case LINUX_SIOCSPGRP: 2459 args->cmd = SIOCSPGRP; 2460 error = sys_ioctl(td, (struct ioctl_args *)args); 2461 break; 2462 2463 case LINUX_FIOGETOWN: 2464 args->cmd = FIOGETOWN; 2465 error = sys_ioctl(td, (struct ioctl_args *)args); 2466 break; 2467 2468 case LINUX_SIOCGPGRP: 2469 args->cmd = SIOCGPGRP; 2470 error = sys_ioctl(td, (struct ioctl_args *)args); 2471 break; 2472 2473 case LINUX_SIOCATMARK: 2474 args->cmd = SIOCATMARK; 2475 error = sys_ioctl(td, (struct ioctl_args *)args); 2476 break; 2477 2478 /* LINUX_SIOCGSTAMP */ 2479 2480 case LINUX_SIOCGIFCONF: 2481 error = linux_ifconf(td, (struct ifconf *)args->arg); 2482 break; 2483 2484 case LINUX_SIOCGIFFLAGS: 2485 args->cmd = SIOCGIFFLAGS; 2486 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2487 break; 2488 2489 case LINUX_SIOCGIFADDR: 2490 args->cmd = SIOCGIFADDR; 2491 error = sys_ioctl(td, (struct ioctl_args *)args); 2492 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2493 break; 2494 2495 case LINUX_SIOCSIFADDR: 2496 /* XXX probably doesn't work, included for completeness */ 2497 args->cmd = SIOCSIFADDR; 2498 error = sys_ioctl(td, (struct ioctl_args *)args); 2499 break; 2500 2501 case LINUX_SIOCGIFDSTADDR: 2502 args->cmd = SIOCGIFDSTADDR; 2503 error = sys_ioctl(td, (struct ioctl_args *)args); 2504 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2505 break; 2506 2507 case LINUX_SIOCGIFBRDADDR: 2508 args->cmd = SIOCGIFBRDADDR; 2509 error = sys_ioctl(td, (struct ioctl_args *)args); 2510 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2511 break; 2512 2513 case LINUX_SIOCGIFNETMASK: 2514 args->cmd = SIOCGIFNETMASK; 2515 error = sys_ioctl(td, (struct ioctl_args *)args); 2516 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2517 break; 2518 2519 case LINUX_SIOCSIFNETMASK: 2520 error = ENOIOCTL; 2521 break; 2522 2523 case LINUX_SIOCGIFMTU: 2524 args->cmd = SIOCGIFMTU; 2525 error = sys_ioctl(td, (struct ioctl_args *)args); 2526 break; 2527 2528 case LINUX_SIOCSIFMTU: 2529 args->cmd = SIOCSIFMTU; 2530 error = sys_ioctl(td, (struct ioctl_args *)args); 2531 break; 2532 2533 case LINUX_SIOCSIFNAME: 2534 error = ENOIOCTL; 2535 break; 2536 2537 case LINUX_SIOCGIFHWADDR: 2538 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2539 break; 2540 2541 case LINUX_SIOCSIFHWADDR: 2542 error = ENOIOCTL; 2543 break; 2544 2545 case LINUX_SIOCADDMULTI: 2546 args->cmd = SIOCADDMULTI; 2547 error = sys_ioctl(td, (struct ioctl_args *)args); 2548 break; 2549 2550 case LINUX_SIOCDELMULTI: 2551 args->cmd = SIOCDELMULTI; 2552 error = sys_ioctl(td, (struct ioctl_args *)args); 2553 break; 2554 2555 case LINUX_SIOCGIFINDEX: 2556 args->cmd = SIOCGIFINDEX; 2557 error = sys_ioctl(td, (struct ioctl_args *)args); 2558 break; 2559 2560 case LINUX_SIOCGIFCOUNT: 2561 error = 0; 2562 break; 2563 2564 /* 2565 * XXX This is slightly bogus, but these ioctls are currently 2566 * XXX only used by the aironet (if_an) network driver. 2567 */ 2568 case LINUX_SIOCDEVPRIVATE: 2569 args->cmd = SIOCGPRIVATE_0; 2570 error = sys_ioctl(td, (struct ioctl_args *)args); 2571 break; 2572 2573 case LINUX_SIOCDEVPRIVATE+1: 2574 args->cmd = SIOCGPRIVATE_1; 2575 error = sys_ioctl(td, (struct ioctl_args *)args); 2576 break; 2577 } 2578 2579 if (ifp != NULL) 2580 /* restore the original interface name */ 2581 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2582 2583#ifdef DEBUG 2584 printf("%s(): returning %d\n", __func__, error); 2585#endif 2586 return (error); 2587} 2588 2589/* 2590 * Device private ioctl handler 2591 */ 2592static int 2593linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2594{ 2595 cap_rights_t rights; 2596 struct file *fp; 2597 int error, type; 2598 2599 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2600 if (error != 0) 2601 return (error); 2602 type = fp->f_type; 2603 fdrop(fp, td); 2604 if (type == DTYPE_SOCKET) 2605 return (linux_ioctl_socket(td, args)); 2606 return (ENOIOCTL); 2607} 2608 2609/* 2610 * DRM ioctl handler (sys/dev/drm) 2611 */ 2612static int 2613linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2614{ 2615 args->cmd = SETDIR(args->cmd); 2616 return sys_ioctl(td, (struct ioctl_args *)args); 2617} 2618 2619#ifdef COMPAT_LINUX32 2620#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 2621#define PTRIN_CP(src,dst,fld) \ 2622 do { (dst).fld = PTRIN((src).fld); } while (0) 2623#define PTROUT_CP(src,dst,fld) \ 2624 do { (dst).fld = PTROUT((src).fld); } while (0) 2625 2626static int 2627linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2628{ 2629 struct sg_io_hdr io; 2630 struct sg_io_hdr32 io32; 2631 cap_rights_t rights; 2632 struct file *fp; 2633 int error; 2634 2635 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2636 if (error != 0) { 2637 printf("sg_linux_ioctl: fget returned %d\n", error); 2638 return (error); 2639 } 2640 2641 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2642 goto out; 2643 2644 CP(io32, io, interface_id); 2645 CP(io32, io, dxfer_direction); 2646 CP(io32, io, cmd_len); 2647 CP(io32, io, mx_sb_len); 2648 CP(io32, io, iovec_count); 2649 CP(io32, io, dxfer_len); 2650 PTRIN_CP(io32, io, dxferp); 2651 PTRIN_CP(io32, io, cmdp); 2652 PTRIN_CP(io32, io, sbp); 2653 CP(io32, io, timeout); 2654 CP(io32, io, flags); 2655 CP(io32, io, pack_id); 2656 PTRIN_CP(io32, io, usr_ptr); 2657 CP(io32, io, status); 2658 CP(io32, io, masked_status); 2659 CP(io32, io, msg_status); 2660 CP(io32, io, sb_len_wr); 2661 CP(io32, io, host_status); 2662 CP(io32, io, driver_status); 2663 CP(io32, io, resid); 2664 CP(io32, io, duration); 2665 CP(io32, io, info); 2666 2667 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2668 goto out; 2669 2670 CP(io, io32, interface_id); 2671 CP(io, io32, dxfer_direction); 2672 CP(io, io32, cmd_len); 2673 CP(io, io32, mx_sb_len); 2674 CP(io, io32, iovec_count); 2675 CP(io, io32, dxfer_len); 2676 PTROUT_CP(io, io32, dxferp); 2677 PTROUT_CP(io, io32, cmdp); 2678 PTROUT_CP(io, io32, sbp); 2679 CP(io, io32, timeout); 2680 CP(io, io32, flags); 2681 CP(io, io32, pack_id); 2682 PTROUT_CP(io, io32, usr_ptr); 2683 CP(io, io32, status); 2684 CP(io, io32, masked_status); 2685 CP(io, io32, msg_status); 2686 CP(io, io32, sb_len_wr); 2687 CP(io, io32, host_status); 2688 CP(io, io32, driver_status); 2689 CP(io, io32, resid); 2690 CP(io, io32, duration); 2691 CP(io, io32, info); 2692 2693 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2694 2695out: 2696 fdrop(fp, td); 2697 return (error); 2698} 2699#endif 2700 2701static int 2702linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2703{ 2704 2705 switch (args->cmd) { 2706 case LINUX_SG_GET_VERSION_NUM: 2707 args->cmd = SG_GET_VERSION_NUM; 2708 break; 2709 case LINUX_SG_SET_TIMEOUT: 2710 args->cmd = SG_SET_TIMEOUT; 2711 break; 2712 case LINUX_SG_GET_TIMEOUT: 2713 args->cmd = SG_GET_TIMEOUT; 2714 break; 2715 case LINUX_SG_IO: 2716 args->cmd = SG_IO; 2717#ifdef COMPAT_LINUX32 2718 return (linux_ioctl_sg_io(td, args)); 2719#endif 2720 break; 2721 case LINUX_SG_GET_RESERVED_SIZE: 2722 args->cmd = SG_GET_RESERVED_SIZE; 2723 break; 2724 case LINUX_SG_GET_SCSI_ID: 2725 args->cmd = SG_GET_SCSI_ID; 2726 break; 2727 case LINUX_SG_GET_SG_TABLESIZE: 2728 args->cmd = SG_GET_SG_TABLESIZE; 2729 break; 2730 default: 2731 return (ENODEV); 2732 } 2733 return (sys_ioctl(td, (struct ioctl_args *)args)); 2734} 2735 2736/* 2737 * Video4Linux (V4L) ioctl handler 2738 */ 2739static int 2740linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2741{ 2742 vt->tuner = lvt->tuner; 2743 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2744 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2745 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2746 vt->flags = lvt->flags; 2747 vt->mode = lvt->mode; 2748 vt->signal = lvt->signal; 2749 return (0); 2750} 2751 2752static int 2753bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2754{ 2755 lvt->tuner = vt->tuner; 2756 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2757 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2758 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2759 lvt->flags = vt->flags; 2760 lvt->mode = vt->mode; 2761 lvt->signal = vt->signal; 2762 return (0); 2763} 2764 2765#ifdef COMPAT_LINUX_V4L_CLIPLIST 2766static int 2767linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2768{ 2769 vc->x = lvc->x; 2770 vc->y = lvc->y; 2771 vc->width = lvc->width; 2772 vc->height = lvc->height; 2773 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2774 return (0); 2775} 2776#endif 2777 2778static int 2779linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2780{ 2781 vw->x = lvw->x; 2782 vw->y = lvw->y; 2783 vw->width = lvw->width; 2784 vw->height = lvw->height; 2785 vw->chromakey = lvw->chromakey; 2786 vw->flags = lvw->flags; 2787 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2788 vw->clipcount = lvw->clipcount; 2789 return (0); 2790} 2791 2792static int 2793bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2794{ 2795 lvw->x = vw->x; 2796 lvw->y = vw->y; 2797 lvw->width = vw->width; 2798 lvw->height = vw->height; 2799 lvw->chromakey = vw->chromakey; 2800 lvw->flags = vw->flags; 2801 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2802 lvw->clipcount = vw->clipcount; 2803 return (0); 2804} 2805 2806static int 2807linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2808{ 2809 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2810 vb->height = lvb->height; 2811 vb->width = lvb->width; 2812 vb->depth = lvb->depth; 2813 vb->bytesperline = lvb->bytesperline; 2814 return (0); 2815} 2816 2817static int 2818bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2819{ 2820 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2821 lvb->height = vb->height; 2822 lvb->width = vb->width; 2823 lvb->depth = vb->depth; 2824 lvb->bytesperline = vb->bytesperline; 2825 return (0); 2826} 2827 2828static int 2829linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2830{ 2831 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2832 vc->datasize = lvc->datasize; 2833 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2834 return (0); 2835} 2836 2837#ifdef COMPAT_LINUX_V4L_CLIPLIST 2838static int 2839linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2840{ 2841 int error; 2842 struct video_clip vclip; 2843 struct l_video_clip l_vclip; 2844 2845 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2846 if (error) return (error); 2847 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2848 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2849 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2850 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2851 memcpy(*ppvc, &vclip, sizeof(vclip)); 2852 (*ppvc)->next = NULL; 2853 return (0); 2854} 2855 2856static int 2857linux_v4l_cliplist_free(struct video_window *vw) 2858{ 2859 struct video_clip **ppvc; 2860 struct video_clip **ppvc_next; 2861 2862 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2863 ppvc_next = &((*ppvc)->next); 2864 free(*ppvc, M_LINUX); 2865 } 2866 vw->clips = NULL; 2867 2868 return (0); 2869} 2870 2871static int 2872linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2873{ 2874 int error; 2875 int clipcount; 2876 void *plvc; 2877 struct video_clip **ppvc; 2878 2879 /* 2880 * XXX: The cliplist is used to pass in a list of clipping 2881 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2882 * clipping bitmap. Some Linux apps, however, appear to 2883 * leave cliplist and clips uninitialized. In any case, 2884 * the cliplist is not used by pwc(4), at the time of 2885 * writing, FreeBSD's only V4L driver. When a driver 2886 * that uses the cliplist is developed, this code may 2887 * need re-examiniation. 2888 */ 2889 error = 0; 2890 clipcount = vw->clipcount; 2891 if (clipcount == VIDEO_CLIP_BITMAP) { 2892 /* 2893 * In this case, the pointer (clips) is overloaded 2894 * to be a "void *" to a bitmap, therefore there 2895 * is no struct video_clip to copy now. 2896 */ 2897 } else if (clipcount > 0 && clipcount <= 16384) { 2898 /* 2899 * Clips points to list of clip rectangles, so 2900 * copy the list. 2901 * 2902 * XXX: Upper limit of 16384 was used here to try to 2903 * avoid cases when clipcount and clips pointer 2904 * are uninitialized and therefore have high random 2905 * values, as is the case in the Linux Skype 2906 * application. The value 16384 was chosen as that 2907 * is what is used in the Linux stradis(4) MPEG 2908 * decoder driver, the only place we found an 2909 * example of cliplist use. 2910 */ 2911 plvc = PTRIN(lvw->clips); 2912 vw->clips = NULL; 2913 ppvc = &(vw->clips); 2914 while (clipcount-- > 0) { 2915 if (plvc == NULL) { 2916 error = EFAULT; 2917 break; 2918 } else { 2919 error = linux_v4l_clip_copy(plvc, ppvc); 2920 if (error) { 2921 linux_v4l_cliplist_free(vw); 2922 break; 2923 } 2924 } 2925 ppvc = &((*ppvc)->next); 2926 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2927 } 2928 } else { 2929 /* 2930 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2931 * Force cliplist to null. 2932 */ 2933 vw->clipcount = 0; 2934 vw->clips = NULL; 2935 } 2936 return (error); 2937} 2938#endif 2939 2940static int 2941linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2942{ 2943 cap_rights_t rights; 2944 struct file *fp; 2945 int error; 2946 struct video_tuner vtun; 2947 struct video_window vwin; 2948 struct video_buffer vbuf; 2949 struct video_code vcode; 2950 struct l_video_tuner l_vtun; 2951 struct l_video_window l_vwin; 2952 struct l_video_buffer l_vbuf; 2953 struct l_video_code l_vcode; 2954 2955 switch (args->cmd & 0xffff) { 2956 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2957 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2958 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2959 2960 case LINUX_VIDIOCGTUNER: 2961 error = fget(td, args->fd, 2962 cap_rights_init(&rights, CAP_IOCTL), &fp); 2963 if (error != 0) 2964 return (error); 2965 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2966 if (error) { 2967 fdrop(fp, td); 2968 return (error); 2969 } 2970 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2971 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2972 if (!error) { 2973 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2974 error = copyout(&l_vtun, (void *) args->arg, 2975 sizeof(l_vtun)); 2976 } 2977 fdrop(fp, td); 2978 return (error); 2979 2980 case LINUX_VIDIOCSTUNER: 2981 error = fget(td, args->fd, 2982 cap_rights_init(&rights, CAP_IOCTL), &fp); 2983 if (error != 0) 2984 return (error); 2985 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2986 if (error) { 2987 fdrop(fp, td); 2988 return (error); 2989 } 2990 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2991 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2992 fdrop(fp, td); 2993 return (error); 2994 2995 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2996 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2997 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2998 2999 case LINUX_VIDIOCGWIN: 3000 error = fget(td, args->fd, 3001 cap_rights_init(&rights, CAP_IOCTL), &fp); 3002 if (error != 0) 3003 return (error); 3004 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 3005 if (!error) { 3006 bsd_to_linux_v4l_window(&vwin, &l_vwin); 3007 error = copyout(&l_vwin, (void *) args->arg, 3008 sizeof(l_vwin)); 3009 } 3010 fdrop(fp, td); 3011 return (error); 3012 3013 case LINUX_VIDIOCSWIN: 3014 error = fget(td, args->fd, 3015 cap_rights_init(&rights, CAP_IOCTL), &fp); 3016 if (error != 0) 3017 return (error); 3018 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 3019 if (error) { 3020 fdrop(fp, td); 3021 return (error); 3022 } 3023 linux_to_bsd_v4l_window(&l_vwin, &vwin); 3024#ifdef COMPAT_LINUX_V4L_CLIPLIST 3025 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 3026 if (error) { 3027 fdrop(fp, td); 3028 return (error); 3029 } 3030#endif 3031 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 3032 fdrop(fp, td); 3033#ifdef COMPAT_LINUX_V4L_CLIPLIST 3034 linux_v4l_cliplist_free(&vwin); 3035#endif 3036 return (error); 3037 3038 case LINUX_VIDIOCGFBUF: 3039 error = fget(td, args->fd, 3040 cap_rights_init(&rights, CAP_IOCTL), &fp); 3041 if (error != 0) 3042 return (error); 3043 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 3044 if (!error) { 3045 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 3046 error = copyout(&l_vbuf, (void *) args->arg, 3047 sizeof(l_vbuf)); 3048 } 3049 fdrop(fp, td); 3050 return (error); 3051 3052 case LINUX_VIDIOCSFBUF: 3053 error = fget(td, args->fd, 3054 cap_rights_init(&rights, CAP_IOCTL), &fp); 3055 if (error != 0) 3056 return (error); 3057 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 3058 if (error) { 3059 fdrop(fp, td); 3060 return (error); 3061 } 3062 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3063 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3064 fdrop(fp, td); 3065 return (error); 3066 3067 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3068 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3069 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3070 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3071 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3072 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3073 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3074 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3075 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3076 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3077 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3078 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3079 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3080 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3081 3082 case LINUX_VIDIOCSMICROCODE: 3083 error = fget(td, args->fd, 3084 cap_rights_init(&rights, CAP_IOCTL), &fp); 3085 if (error != 0) 3086 return (error); 3087 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3088 if (error) { 3089 fdrop(fp, td); 3090 return (error); 3091 } 3092 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3093 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3094 fdrop(fp, td); 3095 return (error); 3096 3097 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3098 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3099 default: return (ENOIOCTL); 3100 } 3101 3102 error = sys_ioctl(td, (struct ioctl_args *)args); 3103 return (error); 3104} 3105 3106/* 3107 * Special ioctl handler 3108 */ 3109static int 3110linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3111{ 3112 int error; 3113 3114 switch (args->cmd) { 3115 case LINUX_SIOCGIFADDR: 3116 args->cmd = SIOCGIFADDR; 3117 error = sys_ioctl(td, (struct ioctl_args *)args); 3118 break; 3119 case LINUX_SIOCSIFADDR: 3120 args->cmd = SIOCSIFADDR; 3121 error = sys_ioctl(td, (struct ioctl_args *)args); 3122 break; 3123 case LINUX_SIOCGIFFLAGS: 3124 args->cmd = SIOCGIFFLAGS; 3125 error = sys_ioctl(td, (struct ioctl_args *)args); 3126 break; 3127 default: 3128 error = ENOIOCTL; 3129 } 3130 3131 return (error); 3132} 3133 3134static int 3135linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3136{ 3137 vstd->index = lvstd->index; 3138 vstd->id = lvstd->id; 3139 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3140 return (0); 3141} 3142 3143static int 3144bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3145{ 3146 lvstd->index = vstd->index; 3147 lvstd->id = vstd->id; 3148 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3149 return (0); 3150} 3151 3152static int 3153linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3154{ 3155 vb->index = lvb->index; 3156 vb->type = lvb->type; 3157 vb->bytesused = lvb->bytesused; 3158 vb->flags = lvb->flags; 3159 vb->field = lvb->field; 3160 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3161 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3162 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3163 vb->sequence = lvb->sequence; 3164 vb->memory = lvb->memory; 3165 if (lvb->memory == V4L2_MEMORY_USERPTR) 3166 /* possible pointer size conversion */ 3167 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3168 else 3169 vb->m.offset = lvb->m.offset; 3170 vb->length = lvb->length; 3171 vb->input = lvb->input; 3172 vb->reserved = lvb->reserved; 3173 return (0); 3174} 3175 3176static int 3177bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3178{ 3179 lvb->index = vb->index; 3180 lvb->type = vb->type; 3181 lvb->bytesused = vb->bytesused; 3182 lvb->flags = vb->flags; 3183 lvb->field = vb->field; 3184 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3185 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3186 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3187 lvb->sequence = vb->sequence; 3188 lvb->memory = vb->memory; 3189 if (vb->memory == V4L2_MEMORY_USERPTR) 3190 /* possible pointer size conversion */ 3191 lvb->m.userptr = PTROUT(vb->m.userptr); 3192 else 3193 lvb->m.offset = vb->m.offset; 3194 lvb->length = vb->length; 3195 lvb->input = vb->input; 3196 lvb->reserved = vb->reserved; 3197 return (0); 3198} 3199 3200static int 3201linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3202{ 3203 vf->type = lvf->type; 3204 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3205#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3206 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3207#endif 3208 ) 3209 /* 3210 * XXX TODO - needs 32 -> 64 bit conversion: 3211 * (unused by webcams?) 3212 */ 3213 return EINVAL; 3214 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3215 return 0; 3216} 3217 3218static int 3219bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3220{ 3221 lvf->type = vf->type; 3222 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3223#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3224 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3225#endif 3226 ) 3227 /* 3228 * XXX TODO - needs 32 -> 64 bit conversion: 3229 * (unused by webcams?) 3230 */ 3231 return EINVAL; 3232 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3233 return 0; 3234} 3235static int 3236linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3237{ 3238 cap_rights_t rights; 3239 struct file *fp; 3240 int error; 3241 struct v4l2_format vformat; 3242 struct l_v4l2_format l_vformat; 3243 struct v4l2_standard vstd; 3244 struct l_v4l2_standard l_vstd; 3245 struct l_v4l2_buffer l_vbuf; 3246 struct v4l2_buffer vbuf; 3247 struct v4l2_input vinp; 3248 3249 switch (args->cmd & 0xffff) { 3250 case LINUX_VIDIOC_RESERVED: 3251 case LINUX_VIDIOC_LOG_STATUS: 3252 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3253 return ENOIOCTL; 3254 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3255 break; 3256 3257 case LINUX_VIDIOC_OVERLAY: 3258 case LINUX_VIDIOC_STREAMON: 3259 case LINUX_VIDIOC_STREAMOFF: 3260 case LINUX_VIDIOC_S_STD: 3261 case LINUX_VIDIOC_S_TUNER: 3262 case LINUX_VIDIOC_S_AUDIO: 3263 case LINUX_VIDIOC_S_AUDOUT: 3264 case LINUX_VIDIOC_S_MODULATOR: 3265 case LINUX_VIDIOC_S_FREQUENCY: 3266 case LINUX_VIDIOC_S_CROP: 3267 case LINUX_VIDIOC_S_JPEGCOMP: 3268 case LINUX_VIDIOC_S_PRIORITY: 3269 case LINUX_VIDIOC_DBG_S_REGISTER: 3270 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3271 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3272 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3273 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3274 break; 3275 3276 case LINUX_VIDIOC_QUERYCAP: 3277 case LINUX_VIDIOC_G_STD: 3278 case LINUX_VIDIOC_G_AUDIO: 3279 case LINUX_VIDIOC_G_INPUT: 3280 case LINUX_VIDIOC_G_OUTPUT: 3281 case LINUX_VIDIOC_G_AUDOUT: 3282 case LINUX_VIDIOC_G_JPEGCOMP: 3283 case LINUX_VIDIOC_QUERYSTD: 3284 case LINUX_VIDIOC_G_PRIORITY: 3285 case LINUX_VIDIOC_QUERY_DV_PRESET: 3286 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3287 break; 3288 3289 case LINUX_VIDIOC_ENUM_FMT: 3290 case LINUX_VIDIOC_REQBUFS: 3291 case LINUX_VIDIOC_G_PARM: 3292 case LINUX_VIDIOC_S_PARM: 3293 case LINUX_VIDIOC_G_CTRL: 3294 case LINUX_VIDIOC_S_CTRL: 3295 case LINUX_VIDIOC_G_TUNER: 3296 case LINUX_VIDIOC_QUERYCTRL: 3297 case LINUX_VIDIOC_QUERYMENU: 3298 case LINUX_VIDIOC_S_INPUT: 3299 case LINUX_VIDIOC_S_OUTPUT: 3300 case LINUX_VIDIOC_ENUMOUTPUT: 3301 case LINUX_VIDIOC_G_MODULATOR: 3302 case LINUX_VIDIOC_G_FREQUENCY: 3303 case LINUX_VIDIOC_CROPCAP: 3304 case LINUX_VIDIOC_G_CROP: 3305 case LINUX_VIDIOC_ENUMAUDIO: 3306 case LINUX_VIDIOC_ENUMAUDOUT: 3307 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3308#ifdef VIDIOC_ENUM_FRAMESIZES 3309 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3310 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3311 case LINUX_VIDIOC_ENCODER_CMD: 3312 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3313#endif 3314 case LINUX_VIDIOC_DBG_G_REGISTER: 3315 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3316 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3317 case LINUX_VIDIOC_S_DV_PRESET: 3318 case LINUX_VIDIOC_G_DV_PRESET: 3319 case LINUX_VIDIOC_S_DV_TIMINGS: 3320 case LINUX_VIDIOC_G_DV_TIMINGS: 3321 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3322 break; 3323 3324 case LINUX_VIDIOC_G_FMT: 3325 case LINUX_VIDIOC_S_FMT: 3326 case LINUX_VIDIOC_TRY_FMT: 3327 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3328 if (error) 3329 return (error); 3330 error = fget(td, args->fd, 3331 cap_rights_init(&rights, CAP_IOCTL), &fp); 3332 if (error) 3333 return (error); 3334 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3335 error = EINVAL; 3336 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3337 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3338 td->td_ucred, td); 3339 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3340 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3341 td->td_ucred, td); 3342 else 3343 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3344 td->td_ucred, td); 3345 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3346 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3347 fdrop(fp, td); 3348 return (error); 3349 3350 case LINUX_VIDIOC_ENUMSTD: 3351 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3352 if (error) 3353 return (error); 3354 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3355 error = fget(td, args->fd, 3356 cap_rights_init(&rights, CAP_IOCTL), &fp); 3357 if (error) 3358 return (error); 3359 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3360 td->td_ucred, td); 3361 if (error) { 3362 fdrop(fp, td); 3363 return (error); 3364 } 3365 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3366 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3367 fdrop(fp, td); 3368 return (error); 3369 3370 case LINUX_VIDIOC_ENUMINPUT: 3371 /* 3372 * The Linux struct l_v4l2_input differs only in size, 3373 * it has no padding at the end. 3374 */ 3375 error = copyin((void *)args->arg, &vinp, 3376 sizeof(struct l_v4l2_input)); 3377 if (error != 0) 3378 return (error); 3379 error = fget(td, args->fd, 3380 cap_rights_init(&rights, CAP_IOCTL), &fp); 3381 if (error != 0) 3382 return (error); 3383 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3384 td->td_ucred, td); 3385 if (error) { 3386 fdrop(fp, td); 3387 return (error); 3388 } 3389 error = copyout(&vinp, (void *)args->arg, 3390 sizeof(struct l_v4l2_input)); 3391 fdrop(fp, td); 3392 return (error); 3393 3394 case LINUX_VIDIOC_QUERYBUF: 3395 case LINUX_VIDIOC_QBUF: 3396 case LINUX_VIDIOC_DQBUF: 3397 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3398 if (error) 3399 return (error); 3400 error = fget(td, args->fd, 3401 cap_rights_init(&rights, CAP_IOCTL), &fp); 3402 if (error) 3403 return (error); 3404 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3405 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3406 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3407 td->td_ucred, td); 3408 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3409 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3410 td->td_ucred, td); 3411 else 3412 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3413 td->td_ucred, td); 3414 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3415 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3416 fdrop(fp, td); 3417 return (error); 3418 3419 /* 3420 * XXX TODO - these need 32 -> 64 bit conversion: 3421 * (are any of them needed for webcams?) 3422 */ 3423 case LINUX_VIDIOC_G_FBUF: 3424 case LINUX_VIDIOC_S_FBUF: 3425 3426 case LINUX_VIDIOC_G_EXT_CTRLS: 3427 case LINUX_VIDIOC_S_EXT_CTRLS: 3428 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3429 3430 case LINUX_VIDIOC_DQEVENT: 3431 3432 default: return (ENOIOCTL); 3433 } 3434 3435 error = sys_ioctl(td, (struct ioctl_args *)args); 3436 return (error); 3437} 3438 3439/* 3440 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3441 * instead of USB* ones. This lets us to provide correct values for cmd. 3442 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3443 */ 3444static int 3445linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3446{ 3447 int error; 3448 3449 error = 0; 3450 switch (args->cmd) { 3451 case FBSD_LUSB_DEVICEENUMERATE: 3452 args->cmd = USB_DEVICEENUMERATE; 3453 break; 3454 case FBSD_LUSB_DEV_QUIRK_ADD: 3455 args->cmd = USB_DEV_QUIRK_ADD; 3456 break; 3457 case FBSD_LUSB_DEV_QUIRK_GET: 3458 args->cmd = USB_DEV_QUIRK_GET; 3459 break; 3460 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3461 args->cmd = USB_DEV_QUIRK_REMOVE; 3462 break; 3463 case FBSD_LUSB_DO_REQUEST: 3464 args->cmd = USB_DO_REQUEST; 3465 break; 3466 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3467 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3468 break; 3469 case FBSD_LUSB_FS_CLOSE: 3470 args->cmd = USB_FS_CLOSE; 3471 break; 3472 case FBSD_LUSB_FS_COMPLETE: 3473 args->cmd = USB_FS_COMPLETE; 3474 break; 3475 case FBSD_LUSB_FS_INIT: 3476 args->cmd = USB_FS_INIT; 3477 break; 3478 case FBSD_LUSB_FS_OPEN: 3479 args->cmd = USB_FS_OPEN; 3480 break; 3481 case FBSD_LUSB_FS_START: 3482 args->cmd = USB_FS_START; 3483 break; 3484 case FBSD_LUSB_FS_STOP: 3485 args->cmd = USB_FS_STOP; 3486 break; 3487 case FBSD_LUSB_FS_UNINIT: 3488 args->cmd = USB_FS_UNINIT; 3489 break; 3490 case FBSD_LUSB_GET_CONFIG: 3491 args->cmd = USB_GET_CONFIG; 3492 break; 3493 case FBSD_LUSB_GET_DEVICEINFO: 3494 args->cmd = USB_GET_DEVICEINFO; 3495 break; 3496 case FBSD_LUSB_GET_DEVICE_DESC: 3497 args->cmd = USB_GET_DEVICE_DESC; 3498 break; 3499 case FBSD_LUSB_GET_FULL_DESC: 3500 args->cmd = USB_GET_FULL_DESC; 3501 break; 3502 case FBSD_LUSB_GET_IFACE_DRIVER: 3503 args->cmd = USB_GET_IFACE_DRIVER; 3504 break; 3505 case FBSD_LUSB_GET_PLUGTIME: 3506 args->cmd = USB_GET_PLUGTIME; 3507 break; 3508 case FBSD_LUSB_GET_POWER_MODE: 3509 args->cmd = USB_GET_POWER_MODE; 3510 break; 3511 case FBSD_LUSB_GET_REPORT_DESC: 3512 args->cmd = USB_GET_REPORT_DESC; 3513 break; 3514 case FBSD_LUSB_GET_REPORT_ID: 3515 args->cmd = USB_GET_REPORT_ID; 3516 break; 3517 case FBSD_LUSB_GET_TEMPLATE: 3518 args->cmd = USB_GET_TEMPLATE; 3519 break; 3520 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3521 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3522 break; 3523 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3524 args->cmd = USB_IFACE_DRIVER_DETACH; 3525 break; 3526 case FBSD_LUSB_QUIRK_NAME_GET: 3527 args->cmd = USB_QUIRK_NAME_GET; 3528 break; 3529 case FBSD_LUSB_READ_DIR: 3530 args->cmd = USB_READ_DIR; 3531 break; 3532 case FBSD_LUSB_SET_ALTINTERFACE: 3533 args->cmd = USB_SET_ALTINTERFACE; 3534 break; 3535 case FBSD_LUSB_SET_CONFIG: 3536 args->cmd = USB_SET_CONFIG; 3537 break; 3538 case FBSD_LUSB_SET_IMMED: 3539 args->cmd = USB_SET_IMMED; 3540 break; 3541 case FBSD_LUSB_SET_POWER_MODE: 3542 args->cmd = USB_SET_POWER_MODE; 3543 break; 3544 case FBSD_LUSB_SET_TEMPLATE: 3545 args->cmd = USB_SET_TEMPLATE; 3546 break; 3547 case FBSD_LUSB_FS_OPEN_STREAM: 3548 args->cmd = USB_FS_OPEN_STREAM; 3549 break; 3550 case FBSD_LUSB_GET_DEV_PORT_PATH: 3551 args->cmd = USB_GET_DEV_PORT_PATH; 3552 break; 3553 case FBSD_LUSB_GET_POWER_USAGE: 3554 args->cmd = USB_GET_POWER_USAGE; 3555 break; 3556 default: 3557 error = ENOIOCTL; 3558 } 3559 if (error != ENOIOCTL) 3560 error = sys_ioctl(td, (struct ioctl_args *)args); 3561 return (error); 3562} 3563 3564/* 3565 * main ioctl syscall function 3566 */ 3567 3568int 3569linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3570{ 3571 cap_rights_t rights; 3572 struct file *fp; 3573 struct handler_element *he; 3574 int error, cmd; 3575 3576#ifdef DEBUG 3577 if (ldebug(ioctl)) 3578 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3579 (unsigned long)args->cmd); 3580#endif 3581 3582 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 3583 if (error != 0) 3584 return (error); 3585 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3586 fdrop(fp, td); 3587 return (EBADF); 3588 } 3589 3590 /* Iterate over the ioctl handlers */ 3591 cmd = args->cmd & 0xffff; 3592 sx_slock(&linux_ioctl_sx); 3593 mtx_lock(&Giant); 3594 TAILQ_FOREACH(he, &handlers, list) { 3595 if (cmd >= he->low && cmd <= he->high) { 3596 error = (*he->func)(td, args); 3597 if (error != ENOIOCTL) { 3598 mtx_unlock(&Giant); 3599 sx_sunlock(&linux_ioctl_sx); 3600 fdrop(fp, td); 3601 return (error); 3602 } 3603 } 3604 } 3605 mtx_unlock(&Giant); 3606 sx_sunlock(&linux_ioctl_sx); 3607 fdrop(fp, td); 3608 3609 switch (args->cmd & 0xffff) { 3610 case LINUX_BTRFS_IOC_CLONE: 3611 return (ENOTSUP); 3612 3613 default: 3614 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3615 args->fd, (int)(args->cmd & 0xffff), 3616 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3617 break; 3618 } 3619 3620 return (EINVAL); 3621} 3622 3623int 3624linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3625{ 3626 struct handler_element *he, *cur; 3627 3628 if (h == NULL || h->func == NULL) 3629 return (EINVAL); 3630 3631 /* 3632 * Reuse the element if the handler is already on the list, otherwise 3633 * create a new element. 3634 */ 3635 sx_xlock(&linux_ioctl_sx); 3636 TAILQ_FOREACH(he, &handlers, list) { 3637 if (he->func == h->func) 3638 break; 3639 } 3640 if (he == NULL) { 3641 he = malloc(sizeof(*he), 3642 M_LINUX, M_WAITOK); 3643 he->func = h->func; 3644 } else 3645 TAILQ_REMOVE(&handlers, he, list); 3646 3647 /* Initialize range information. */ 3648 he->low = h->low; 3649 he->high = h->high; 3650 he->span = h->high - h->low + 1; 3651 3652 /* Add the element to the list, sorted on span. */ 3653 TAILQ_FOREACH(cur, &handlers, list) { 3654 if (cur->span > he->span) { 3655 TAILQ_INSERT_BEFORE(cur, he, list); 3656 sx_xunlock(&linux_ioctl_sx); 3657 return (0); 3658 } 3659 } 3660 TAILQ_INSERT_TAIL(&handlers, he, list); 3661 sx_xunlock(&linux_ioctl_sx); 3662 3663 return (0); 3664} 3665 3666int 3667linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3668{ 3669 struct handler_element *he; 3670 3671 if (h == NULL || h->func == NULL) 3672 return (EINVAL); 3673 3674 sx_xlock(&linux_ioctl_sx); 3675 TAILQ_FOREACH(he, &handlers, list) { 3676 if (he->func == h->func) { 3677 TAILQ_REMOVE(&handlers, he, list); 3678 sx_xunlock(&linux_ioctl_sx); 3679 free(he, M_LINUX); 3680 return (0); 3681 } 3682 } 3683 sx_xunlock(&linux_ioctl_sx); 3684 3685 return (EINVAL); 3686} 3687