linux_ioctl.c revision 272204
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 272204 2014-09-27 08:33:50Z mav $"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/sysproto.h> 37#include <sys/capability.h> 38#include <sys/cdio.h> 39#include <sys/dvdio.h> 40#include <sys/conf.h> 41#include <sys/disk.h> 42#include <sys/consio.h> 43#include <sys/ctype.h> 44#include <sys/fcntl.h> 45#include <sys/file.h> 46#include <sys/filedesc.h> 47#include <sys/filio.h> 48#include <sys/jail.h> 49#include <sys/kbio.h> 50#include <sys/kernel.h> 51#include <sys/linker_set.h> 52#include <sys/lock.h> 53#include <sys/malloc.h> 54#include <sys/proc.h> 55#include <sys/sbuf.h> 56#include <sys/socket.h> 57#include <sys/sockio.h> 58#include <sys/soundcard.h> 59#include <sys/stdint.h> 60#include <sys/sx.h> 61#include <sys/sysctl.h> 62#include <sys/tty.h> 63#include <sys/uio.h> 64#include <sys/types.h> 65#include <sys/mman.h> 66#include <sys/resourcevar.h> 67 68#include <net/if.h> 69#include <net/if_dl.h> 70#include <net/if_types.h> 71#include <net/vnet.h> 72 73#include <dev/usb/usb_ioctl.h> 74 75#ifdef COMPAT_LINUX32 76#include <machine/../linux32/linux.h> 77#include <machine/../linux32/linux32_proto.h> 78#else 79#include <machine/../linux/linux.h> 80#include <machine/../linux/linux_proto.h> 81#endif 82 83#include <compat/linux/linux_ioctl.h> 84#include <compat/linux/linux_mib.h> 85#include <compat/linux/linux_socket.h> 86#include <compat/linux/linux_util.h> 87 88#include <contrib/v4l/videodev.h> 89#include <compat/linux/linux_videodev_compat.h> 90 91#include <contrib/v4l/videodev2.h> 92#include <compat/linux/linux_videodev2_compat.h> 93 94#include <cam/scsi/scsi_sg.h> 95 96CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 97 98FEATURE(linuxulator_v4l, "V4L ioctl wrapper support in the linuxulator"); 99FEATURE(linuxulator_v4l2, "V4L2 ioctl wrapper support in the linuxulator"); 100 101static linux_ioctl_function_t linux_ioctl_cdrom; 102static linux_ioctl_function_t linux_ioctl_vfat; 103static linux_ioctl_function_t linux_ioctl_console; 104static linux_ioctl_function_t linux_ioctl_hdio; 105static linux_ioctl_function_t linux_ioctl_disk; 106static linux_ioctl_function_t linux_ioctl_socket; 107static linux_ioctl_function_t linux_ioctl_sound; 108static linux_ioctl_function_t linux_ioctl_termio; 109static linux_ioctl_function_t linux_ioctl_private; 110static linux_ioctl_function_t linux_ioctl_drm; 111static linux_ioctl_function_t linux_ioctl_sg; 112static linux_ioctl_function_t linux_ioctl_v4l; 113static linux_ioctl_function_t linux_ioctl_v4l2; 114static linux_ioctl_function_t linux_ioctl_special; 115static linux_ioctl_function_t linux_ioctl_fbsd_usb; 116 117static struct linux_ioctl_handler cdrom_handler = 118{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 119static struct linux_ioctl_handler vfat_handler = 120{ linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 121static struct linux_ioctl_handler console_handler = 122{ linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 123static struct linux_ioctl_handler hdio_handler = 124{ linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 125static struct linux_ioctl_handler disk_handler = 126{ linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 127static struct linux_ioctl_handler socket_handler = 128{ linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 129static struct linux_ioctl_handler sound_handler = 130{ linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 131static struct linux_ioctl_handler termio_handler = 132{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 133static struct linux_ioctl_handler private_handler = 134{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 135static struct linux_ioctl_handler drm_handler = 136{ linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 137static struct linux_ioctl_handler sg_handler = 138{ linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 139static struct linux_ioctl_handler video_handler = 140{ linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 141static struct linux_ioctl_handler video2_handler = 142{ linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; 143static struct linux_ioctl_handler fbsd_usb = 144{ linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; 145 146DATA_SET(linux_ioctl_handler_set, cdrom_handler); 147DATA_SET(linux_ioctl_handler_set, vfat_handler); 148DATA_SET(linux_ioctl_handler_set, console_handler); 149DATA_SET(linux_ioctl_handler_set, hdio_handler); 150DATA_SET(linux_ioctl_handler_set, disk_handler); 151DATA_SET(linux_ioctl_handler_set, socket_handler); 152DATA_SET(linux_ioctl_handler_set, sound_handler); 153DATA_SET(linux_ioctl_handler_set, termio_handler); 154DATA_SET(linux_ioctl_handler_set, private_handler); 155DATA_SET(linux_ioctl_handler_set, drm_handler); 156DATA_SET(linux_ioctl_handler_set, sg_handler); 157DATA_SET(linux_ioctl_handler_set, video_handler); 158DATA_SET(linux_ioctl_handler_set, video2_handler); 159DATA_SET(linux_ioctl_handler_set, fbsd_usb); 160 161struct handler_element 162{ 163 TAILQ_ENTRY(handler_element) list; 164 int (*func)(struct thread *, struct linux_ioctl_args *); 165 int low, high, span; 166}; 167 168static TAILQ_HEAD(, handler_element) handlers = 169 TAILQ_HEAD_INITIALIZER(handlers); 170static struct sx linux_ioctl_sx; 171SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 172 173/* 174 * hdio related ioctls for VMWare support 175 */ 176 177struct linux_hd_geometry { 178 u_int8_t heads; 179 u_int8_t sectors; 180 u_int16_t cylinders; 181 u_int32_t start; 182}; 183 184struct linux_hd_big_geometry { 185 u_int8_t heads; 186 u_int8_t sectors; 187 u_int32_t cylinders; 188 u_int32_t start; 189}; 190 191static int 192linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 193{ 194 cap_rights_t rights; 195 struct file *fp; 196 int error; 197 u_int sectorsize, fwcylinders, fwheads, fwsectors; 198 off_t mediasize, bytespercyl; 199 200 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 201 if (error != 0) 202 return (error); 203 switch (args->cmd & 0xffff) { 204 case LINUX_HDIO_GET_GEO: 205 case LINUX_HDIO_GET_GEO_BIG: 206 error = fo_ioctl(fp, DIOCGMEDIASIZE, 207 (caddr_t)&mediasize, td->td_ucred, td); 208 if (!error) 209 error = fo_ioctl(fp, DIOCGSECTORSIZE, 210 (caddr_t)§orsize, td->td_ucred, td); 211 if (!error) 212 error = fo_ioctl(fp, DIOCGFWHEADS, 213 (caddr_t)&fwheads, td->td_ucred, td); 214 if (!error) 215 error = fo_ioctl(fp, DIOCGFWSECTORS, 216 (caddr_t)&fwsectors, td->td_ucred, td); 217 /* 218 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 219 * so pretend that GEOM always says 0. This is NOT VALID 220 * for slices or partitions, only the per-disk raw devices. 221 */ 222 223 fdrop(fp, td); 224 if (error) 225 return (error); 226 /* 227 * 1. Calculate the number of bytes in a cylinder, 228 * given the firmware's notion of heads and sectors 229 * per cylinder. 230 * 2. Calculate the number of cylinders, given the total 231 * size of the media. 232 * All internal calculations should have 64-bit precision. 233 */ 234 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 235 fwcylinders = mediasize / bytespercyl; 236#if defined(DEBUG) 237 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 238 "bpc %jd", 239 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 240 (intmax_t)bytespercyl); 241#endif 242 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 243 struct linux_hd_geometry hdg; 244 245 hdg.cylinders = fwcylinders; 246 hdg.heads = fwheads; 247 hdg.sectors = fwsectors; 248 hdg.start = 0; 249 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 250 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 251 struct linux_hd_big_geometry hdbg; 252 253 hdbg.cylinders = fwcylinders; 254 hdbg.heads = fwheads; 255 hdbg.sectors = fwsectors; 256 hdbg.start = 0; 257 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 258 } 259 return (error); 260 break; 261 default: 262 /* XXX */ 263 linux_msg(td, 264 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 265 args->fd, (int)(args->cmd & 0xffff), 266 (int)(args->cmd & 0xff00) >> 8, 267 (int)(args->cmd & 0xff)); 268 break; 269 } 270 fdrop(fp, td); 271 return (ENOIOCTL); 272} 273 274static int 275linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 276{ 277 cap_rights_t rights; 278 struct file *fp; 279 int error; 280 u_int sectorsize; 281 off_t mediasize; 282 283 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 284 if (error != 0) 285 return (error); 286 switch (args->cmd & 0xffff) { 287 case LINUX_BLKGETSIZE: 288 error = fo_ioctl(fp, DIOCGSECTORSIZE, 289 (caddr_t)§orsize, td->td_ucred, td); 290 if (!error) 291 error = fo_ioctl(fp, DIOCGMEDIASIZE, 292 (caddr_t)&mediasize, td->td_ucred, td); 293 fdrop(fp, td); 294 if (error) 295 return (error); 296 sectorsize = mediasize / sectorsize; 297 /* 298 * XXX: How do we know we return the right size of integer ? 299 */ 300 return (copyout(§orsize, (void *)args->arg, 301 sizeof(sectorsize))); 302 break; 303 } 304 fdrop(fp, td); 305 return (ENOIOCTL); 306} 307 308/* 309 * termio related ioctls 310 */ 311 312struct linux_termio { 313 unsigned short c_iflag; 314 unsigned short c_oflag; 315 unsigned short c_cflag; 316 unsigned short c_lflag; 317 unsigned char c_line; 318 unsigned char c_cc[LINUX_NCC]; 319}; 320 321struct linux_termios { 322 unsigned int c_iflag; 323 unsigned int c_oflag; 324 unsigned int c_cflag; 325 unsigned int c_lflag; 326 unsigned char c_line; 327 unsigned char c_cc[LINUX_NCCS]; 328}; 329 330struct linux_winsize { 331 unsigned short ws_row, ws_col; 332 unsigned short ws_xpixel, ws_ypixel; 333}; 334 335struct speedtab { 336 int sp_speed; /* Speed. */ 337 int sp_code; /* Code. */ 338}; 339 340static struct speedtab sptab[] = { 341 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 342 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 343 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 344 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 345 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 346 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 347 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 348 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 349 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 350 {-1, -1 } 351}; 352 353struct linux_serial_struct { 354 int type; 355 int line; 356 int port; 357 int irq; 358 int flags; 359 int xmit_fifo_size; 360 int custom_divisor; 361 int baud_base; 362 unsigned short close_delay; 363 char reserved_char[2]; 364 int hub6; 365 unsigned short closing_wait; 366 unsigned short closing_wait2; 367 int reserved[4]; 368}; 369 370static int 371linux_to_bsd_speed(int code, struct speedtab *table) 372{ 373 for ( ; table->sp_code != -1; table++) 374 if (table->sp_code == code) 375 return (table->sp_speed); 376 return -1; 377} 378 379static int 380bsd_to_linux_speed(int speed, struct speedtab *table) 381{ 382 for ( ; table->sp_speed != -1; table++) 383 if (table->sp_speed == speed) 384 return (table->sp_code); 385 return -1; 386} 387 388static void 389bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 390{ 391 int i; 392 393#ifdef DEBUG 394 if (ldebug(ioctl)) { 395 printf("LINUX: BSD termios structure (input):\n"); 396 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 397 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 398 bios->c_ispeed, bios->c_ospeed); 399 printf("c_cc "); 400 for (i=0; i<NCCS; i++) 401 printf("%02x ", bios->c_cc[i]); 402 printf("\n"); 403 } 404#endif 405 406 lios->c_iflag = 0; 407 if (bios->c_iflag & IGNBRK) 408 lios->c_iflag |= LINUX_IGNBRK; 409 if (bios->c_iflag & BRKINT) 410 lios->c_iflag |= LINUX_BRKINT; 411 if (bios->c_iflag & IGNPAR) 412 lios->c_iflag |= LINUX_IGNPAR; 413 if (bios->c_iflag & PARMRK) 414 lios->c_iflag |= LINUX_PARMRK; 415 if (bios->c_iflag & INPCK) 416 lios->c_iflag |= LINUX_INPCK; 417 if (bios->c_iflag & ISTRIP) 418 lios->c_iflag |= LINUX_ISTRIP; 419 if (bios->c_iflag & INLCR) 420 lios->c_iflag |= LINUX_INLCR; 421 if (bios->c_iflag & IGNCR) 422 lios->c_iflag |= LINUX_IGNCR; 423 if (bios->c_iflag & ICRNL) 424 lios->c_iflag |= LINUX_ICRNL; 425 if (bios->c_iflag & IXON) 426 lios->c_iflag |= LINUX_IXON; 427 if (bios->c_iflag & IXANY) 428 lios->c_iflag |= LINUX_IXANY; 429 if (bios->c_iflag & IXOFF) 430 lios->c_iflag |= LINUX_IXOFF; 431 if (bios->c_iflag & IMAXBEL) 432 lios->c_iflag |= LINUX_IMAXBEL; 433 434 lios->c_oflag = 0; 435 if (bios->c_oflag & OPOST) 436 lios->c_oflag |= LINUX_OPOST; 437 if (bios->c_oflag & ONLCR) 438 lios->c_oflag |= LINUX_ONLCR; 439 if (bios->c_oflag & TAB3) 440 lios->c_oflag |= LINUX_XTABS; 441 442 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 443 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 444 if (bios->c_cflag & CSTOPB) 445 lios->c_cflag |= LINUX_CSTOPB; 446 if (bios->c_cflag & CREAD) 447 lios->c_cflag |= LINUX_CREAD; 448 if (bios->c_cflag & PARENB) 449 lios->c_cflag |= LINUX_PARENB; 450 if (bios->c_cflag & PARODD) 451 lios->c_cflag |= LINUX_PARODD; 452 if (bios->c_cflag & HUPCL) 453 lios->c_cflag |= LINUX_HUPCL; 454 if (bios->c_cflag & CLOCAL) 455 lios->c_cflag |= LINUX_CLOCAL; 456 if (bios->c_cflag & CRTSCTS) 457 lios->c_cflag |= LINUX_CRTSCTS; 458 459 lios->c_lflag = 0; 460 if (bios->c_lflag & ISIG) 461 lios->c_lflag |= LINUX_ISIG; 462 if (bios->c_lflag & ICANON) 463 lios->c_lflag |= LINUX_ICANON; 464 if (bios->c_lflag & ECHO) 465 lios->c_lflag |= LINUX_ECHO; 466 if (bios->c_lflag & ECHOE) 467 lios->c_lflag |= LINUX_ECHOE; 468 if (bios->c_lflag & ECHOK) 469 lios->c_lflag |= LINUX_ECHOK; 470 if (bios->c_lflag & ECHONL) 471 lios->c_lflag |= LINUX_ECHONL; 472 if (bios->c_lflag & NOFLSH) 473 lios->c_lflag |= LINUX_NOFLSH; 474 if (bios->c_lflag & TOSTOP) 475 lios->c_lflag |= LINUX_TOSTOP; 476 if (bios->c_lflag & ECHOCTL) 477 lios->c_lflag |= LINUX_ECHOCTL; 478 if (bios->c_lflag & ECHOPRT) 479 lios->c_lflag |= LINUX_ECHOPRT; 480 if (bios->c_lflag & ECHOKE) 481 lios->c_lflag |= LINUX_ECHOKE; 482 if (bios->c_lflag & FLUSHO) 483 lios->c_lflag |= LINUX_FLUSHO; 484 if (bios->c_lflag & PENDIN) 485 lios->c_lflag |= LINUX_PENDIN; 486 if (bios->c_lflag & IEXTEN) 487 lios->c_lflag |= LINUX_IEXTEN; 488 489 for (i=0; i<LINUX_NCCS; i++) 490 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 491 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 492 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 493 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 494 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 495 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 496 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 497 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 498 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 499 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 500 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 501 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 502 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 503 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 504 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 505 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 506 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 507 508 for (i=0; i<LINUX_NCCS; i++) { 509 if (i != LINUX_VMIN && i != LINUX_VTIME && 510 lios->c_cc[i] == _POSIX_VDISABLE) 511 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 512 } 513 lios->c_line = 0; 514 515#ifdef DEBUG 516 if (ldebug(ioctl)) { 517 printf("LINUX: LINUX termios structure (output):\n"); 518 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 519 lios->c_iflag, lios->c_oflag, lios->c_cflag, 520 lios->c_lflag, (int)lios->c_line); 521 printf("c_cc "); 522 for (i=0; i<LINUX_NCCS; i++) 523 printf("%02x ", lios->c_cc[i]); 524 printf("\n"); 525 } 526#endif 527} 528 529static void 530linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 531{ 532 int i; 533 534#ifdef DEBUG 535 if (ldebug(ioctl)) { 536 printf("LINUX: LINUX termios structure (input):\n"); 537 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 538 lios->c_iflag, lios->c_oflag, lios->c_cflag, 539 lios->c_lflag, (int)lios->c_line); 540 printf("c_cc "); 541 for (i=0; i<LINUX_NCCS; i++) 542 printf("%02x ", lios->c_cc[i]); 543 printf("\n"); 544 } 545#endif 546 547 bios->c_iflag = 0; 548 if (lios->c_iflag & LINUX_IGNBRK) 549 bios->c_iflag |= IGNBRK; 550 if (lios->c_iflag & LINUX_BRKINT) 551 bios->c_iflag |= BRKINT; 552 if (lios->c_iflag & LINUX_IGNPAR) 553 bios->c_iflag |= IGNPAR; 554 if (lios->c_iflag & LINUX_PARMRK) 555 bios->c_iflag |= PARMRK; 556 if (lios->c_iflag & LINUX_INPCK) 557 bios->c_iflag |= INPCK; 558 if (lios->c_iflag & LINUX_ISTRIP) 559 bios->c_iflag |= ISTRIP; 560 if (lios->c_iflag & LINUX_INLCR) 561 bios->c_iflag |= INLCR; 562 if (lios->c_iflag & LINUX_IGNCR) 563 bios->c_iflag |= IGNCR; 564 if (lios->c_iflag & LINUX_ICRNL) 565 bios->c_iflag |= ICRNL; 566 if (lios->c_iflag & LINUX_IXON) 567 bios->c_iflag |= IXON; 568 if (lios->c_iflag & LINUX_IXANY) 569 bios->c_iflag |= IXANY; 570 if (lios->c_iflag & LINUX_IXOFF) 571 bios->c_iflag |= IXOFF; 572 if (lios->c_iflag & LINUX_IMAXBEL) 573 bios->c_iflag |= IMAXBEL; 574 575 bios->c_oflag = 0; 576 if (lios->c_oflag & LINUX_OPOST) 577 bios->c_oflag |= OPOST; 578 if (lios->c_oflag & LINUX_ONLCR) 579 bios->c_oflag |= ONLCR; 580 if (lios->c_oflag & LINUX_XTABS) 581 bios->c_oflag |= TAB3; 582 583 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 584 if (lios->c_cflag & LINUX_CSTOPB) 585 bios->c_cflag |= CSTOPB; 586 if (lios->c_cflag & LINUX_CREAD) 587 bios->c_cflag |= CREAD; 588 if (lios->c_cflag & LINUX_PARENB) 589 bios->c_cflag |= PARENB; 590 if (lios->c_cflag & LINUX_PARODD) 591 bios->c_cflag |= PARODD; 592 if (lios->c_cflag & LINUX_HUPCL) 593 bios->c_cflag |= HUPCL; 594 if (lios->c_cflag & LINUX_CLOCAL) 595 bios->c_cflag |= CLOCAL; 596 if (lios->c_cflag & LINUX_CRTSCTS) 597 bios->c_cflag |= CRTSCTS; 598 599 bios->c_lflag = 0; 600 if (lios->c_lflag & LINUX_ISIG) 601 bios->c_lflag |= ISIG; 602 if (lios->c_lflag & LINUX_ICANON) 603 bios->c_lflag |= ICANON; 604 if (lios->c_lflag & LINUX_ECHO) 605 bios->c_lflag |= ECHO; 606 if (lios->c_lflag & LINUX_ECHOE) 607 bios->c_lflag |= ECHOE; 608 if (lios->c_lflag & LINUX_ECHOK) 609 bios->c_lflag |= ECHOK; 610 if (lios->c_lflag & LINUX_ECHONL) 611 bios->c_lflag |= ECHONL; 612 if (lios->c_lflag & LINUX_NOFLSH) 613 bios->c_lflag |= NOFLSH; 614 if (lios->c_lflag & LINUX_TOSTOP) 615 bios->c_lflag |= TOSTOP; 616 if (lios->c_lflag & LINUX_ECHOCTL) 617 bios->c_lflag |= ECHOCTL; 618 if (lios->c_lflag & LINUX_ECHOPRT) 619 bios->c_lflag |= ECHOPRT; 620 if (lios->c_lflag & LINUX_ECHOKE) 621 bios->c_lflag |= ECHOKE; 622 if (lios->c_lflag & LINUX_FLUSHO) 623 bios->c_lflag |= FLUSHO; 624 if (lios->c_lflag & LINUX_PENDIN) 625 bios->c_lflag |= PENDIN; 626 if (lios->c_lflag & LINUX_IEXTEN) 627 bios->c_lflag |= IEXTEN; 628 629 for (i=0; i<NCCS; i++) 630 bios->c_cc[i] = _POSIX_VDISABLE; 631 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 632 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 633 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 634 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 635 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 636 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 637 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 638 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 639 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 640 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 641 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 642 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 643 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 644 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 645 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 646 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 647 648 for (i=0; i<NCCS; i++) { 649 if (i != VMIN && i != VTIME && 650 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 651 bios->c_cc[i] = _POSIX_VDISABLE; 652 } 653 654 bios->c_ispeed = bios->c_ospeed = 655 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 656 657#ifdef DEBUG 658 if (ldebug(ioctl)) { 659 printf("LINUX: BSD termios structure (output):\n"); 660 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 661 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 662 bios->c_ispeed, bios->c_ospeed); 663 printf("c_cc "); 664 for (i=0; i<NCCS; i++) 665 printf("%02x ", bios->c_cc[i]); 666 printf("\n"); 667 } 668#endif 669} 670 671static void 672bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 673{ 674 struct linux_termios lios; 675 676 bsd_to_linux_termios(bios, &lios); 677 lio->c_iflag = lios.c_iflag; 678 lio->c_oflag = lios.c_oflag; 679 lio->c_cflag = lios.c_cflag; 680 lio->c_lflag = lios.c_lflag; 681 lio->c_line = lios.c_line; 682 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 683} 684 685static void 686linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 687{ 688 struct linux_termios lios; 689 int i; 690 691 lios.c_iflag = lio->c_iflag; 692 lios.c_oflag = lio->c_oflag; 693 lios.c_cflag = lio->c_cflag; 694 lios.c_lflag = lio->c_lflag; 695 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 696 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 697 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 698 linux_to_bsd_termios(&lios, bios); 699} 700 701static int 702linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 703{ 704 struct termios bios; 705 struct linux_termios lios; 706 struct linux_termio lio; 707 cap_rights_t rights; 708 struct file *fp; 709 int error; 710 711 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 712 if (error != 0) 713 return (error); 714 715 switch (args->cmd & 0xffff) { 716 717 case LINUX_TCGETS: 718 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 719 td); 720 if (error) 721 break; 722 bsd_to_linux_termios(&bios, &lios); 723 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 724 break; 725 726 case LINUX_TCSETS: 727 error = copyin((void *)args->arg, &lios, sizeof(lios)); 728 if (error) 729 break; 730 linux_to_bsd_termios(&lios, &bios); 731 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 732 td)); 733 break; 734 735 case LINUX_TCSETSW: 736 error = copyin((void *)args->arg, &lios, sizeof(lios)); 737 if (error) 738 break; 739 linux_to_bsd_termios(&lios, &bios); 740 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 741 td)); 742 break; 743 744 case LINUX_TCSETSF: 745 error = copyin((void *)args->arg, &lios, sizeof(lios)); 746 if (error) 747 break; 748 linux_to_bsd_termios(&lios, &bios); 749 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 750 td)); 751 break; 752 753 case LINUX_TCGETA: 754 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 755 td); 756 if (error) 757 break; 758 bsd_to_linux_termio(&bios, &lio); 759 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 760 break; 761 762 case LINUX_TCSETA: 763 error = copyin((void *)args->arg, &lio, sizeof(lio)); 764 if (error) 765 break; 766 linux_to_bsd_termio(&lio, &bios); 767 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 768 td)); 769 break; 770 771 case LINUX_TCSETAW: 772 error = copyin((void *)args->arg, &lio, sizeof(lio)); 773 if (error) 774 break; 775 linux_to_bsd_termio(&lio, &bios); 776 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 777 td)); 778 break; 779 780 case LINUX_TCSETAF: 781 error = copyin((void *)args->arg, &lio, sizeof(lio)); 782 if (error) 783 break; 784 linux_to_bsd_termio(&lio, &bios); 785 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 786 td)); 787 break; 788 789 /* LINUX_TCSBRK */ 790 791 case LINUX_TCXONC: { 792 switch (args->arg) { 793 case LINUX_TCOOFF: 794 args->cmd = TIOCSTOP; 795 break; 796 case LINUX_TCOON: 797 args->cmd = TIOCSTART; 798 break; 799 case LINUX_TCIOFF: 800 case LINUX_TCION: { 801 int c; 802 struct write_args wr; 803 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 804 td->td_ucred, td); 805 if (error) 806 break; 807 fdrop(fp, td); 808 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 809 c = bios.c_cc[c]; 810 if (c != _POSIX_VDISABLE) { 811 wr.fd = args->fd; 812 wr.buf = &c; 813 wr.nbyte = sizeof(c); 814 return (sys_write(td, &wr)); 815 } else 816 return (0); 817 } 818 default: 819 fdrop(fp, td); 820 return (EINVAL); 821 } 822 args->arg = 0; 823 error = (sys_ioctl(td, (struct ioctl_args *)args)); 824 break; 825 } 826 827 case LINUX_TCFLSH: { 828 int val; 829 switch (args->arg) { 830 case LINUX_TCIFLUSH: 831 val = FREAD; 832 break; 833 case LINUX_TCOFLUSH: 834 val = FWRITE; 835 break; 836 case LINUX_TCIOFLUSH: 837 val = FREAD | FWRITE; 838 break; 839 default: 840 fdrop(fp, td); 841 return (EINVAL); 842 } 843 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 844 break; 845 } 846 847 case LINUX_TIOCEXCL: 848 args->cmd = TIOCEXCL; 849 error = (sys_ioctl(td, (struct ioctl_args *)args)); 850 break; 851 852 case LINUX_TIOCNXCL: 853 args->cmd = TIOCNXCL; 854 error = (sys_ioctl(td, (struct ioctl_args *)args)); 855 break; 856 857 case LINUX_TIOCSCTTY: 858 args->cmd = TIOCSCTTY; 859 error = (sys_ioctl(td, (struct ioctl_args *)args)); 860 break; 861 862 case LINUX_TIOCGPGRP: 863 args->cmd = TIOCGPGRP; 864 error = (sys_ioctl(td, (struct ioctl_args *)args)); 865 break; 866 867 case LINUX_TIOCSPGRP: 868 args->cmd = TIOCSPGRP; 869 error = (sys_ioctl(td, (struct ioctl_args *)args)); 870 break; 871 872 /* LINUX_TIOCOUTQ */ 873 /* LINUX_TIOCSTI */ 874 875 case LINUX_TIOCGWINSZ: 876 args->cmd = TIOCGWINSZ; 877 error = (sys_ioctl(td, (struct ioctl_args *)args)); 878 break; 879 880 case LINUX_TIOCSWINSZ: 881 args->cmd = TIOCSWINSZ; 882 error = (sys_ioctl(td, (struct ioctl_args *)args)); 883 break; 884 885 case LINUX_TIOCMGET: 886 args->cmd = TIOCMGET; 887 error = (sys_ioctl(td, (struct ioctl_args *)args)); 888 break; 889 890 case LINUX_TIOCMBIS: 891 args->cmd = TIOCMBIS; 892 error = (sys_ioctl(td, (struct ioctl_args *)args)); 893 break; 894 895 case LINUX_TIOCMBIC: 896 args->cmd = TIOCMBIC; 897 error = (sys_ioctl(td, (struct ioctl_args *)args)); 898 break; 899 900 case LINUX_TIOCMSET: 901 args->cmd = TIOCMSET; 902 error = (sys_ioctl(td, (struct ioctl_args *)args)); 903 break; 904 905 /* TIOCGSOFTCAR */ 906 /* TIOCSSOFTCAR */ 907 908 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 909 args->cmd = FIONREAD; 910 error = (sys_ioctl(td, (struct ioctl_args *)args)); 911 break; 912 913 /* LINUX_TIOCLINUX */ 914 915 case LINUX_TIOCCONS: 916 args->cmd = TIOCCONS; 917 error = (sys_ioctl(td, (struct ioctl_args *)args)); 918 break; 919 920 case LINUX_TIOCGSERIAL: { 921 struct linux_serial_struct lss; 922 lss.type = LINUX_PORT_16550A; 923 lss.flags = 0; 924 lss.close_delay = 0; 925 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 926 break; 927 } 928 929 case LINUX_TIOCSSERIAL: { 930 struct linux_serial_struct lss; 931 error = copyin((void *)args->arg, &lss, sizeof(lss)); 932 if (error) 933 break; 934 /* XXX - It really helps to have an implementation that 935 * does nothing. NOT! 936 */ 937 error = 0; 938 break; 939 } 940 941 case LINUX_TIOCPKT: 942 args->cmd = TIOCPKT; 943 error = (sys_ioctl(td, (struct ioctl_args *)args)); 944 break; 945 946 case LINUX_FIONBIO: 947 args->cmd = FIONBIO; 948 error = (sys_ioctl(td, (struct ioctl_args *)args)); 949 break; 950 951 case LINUX_TIOCNOTTY: 952 args->cmd = TIOCNOTTY; 953 error = (sys_ioctl(td, (struct ioctl_args *)args)); 954 break; 955 956 case LINUX_TIOCSETD: { 957 int line; 958 switch (args->arg) { 959 case LINUX_N_TTY: 960 line = TTYDISC; 961 break; 962 case LINUX_N_SLIP: 963 line = SLIPDISC; 964 break; 965 case LINUX_N_PPP: 966 line = PPPDISC; 967 break; 968 default: 969 fdrop(fp, td); 970 return (EINVAL); 971 } 972 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 973 td)); 974 break; 975 } 976 977 case LINUX_TIOCGETD: { 978 int linux_line; 979 int bsd_line = TTYDISC; 980 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 981 td->td_ucred, td); 982 if (error) 983 return (error); 984 switch (bsd_line) { 985 case TTYDISC: 986 linux_line = LINUX_N_TTY; 987 break; 988 case SLIPDISC: 989 linux_line = LINUX_N_SLIP; 990 break; 991 case PPPDISC: 992 linux_line = LINUX_N_PPP; 993 break; 994 default: 995 fdrop(fp, td); 996 return (EINVAL); 997 } 998 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 999 break; 1000 } 1001 1002 /* LINUX_TCSBRKP */ 1003 /* LINUX_TIOCTTYGSTRUCT */ 1004 1005 case LINUX_FIONCLEX: 1006 args->cmd = FIONCLEX; 1007 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1008 break; 1009 1010 case LINUX_FIOCLEX: 1011 args->cmd = FIOCLEX; 1012 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1013 break; 1014 1015 case LINUX_FIOASYNC: 1016 args->cmd = FIOASYNC; 1017 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1018 break; 1019 1020 /* LINUX_TIOCSERCONFIG */ 1021 /* LINUX_TIOCSERGWILD */ 1022 /* LINUX_TIOCSERSWILD */ 1023 /* LINUX_TIOCGLCKTRMIOS */ 1024 /* LINUX_TIOCSLCKTRMIOS */ 1025 1026 case LINUX_TIOCSBRK: 1027 args->cmd = TIOCSBRK; 1028 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1029 break; 1030 1031 case LINUX_TIOCCBRK: 1032 args->cmd = TIOCCBRK; 1033 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1034 break; 1035 case LINUX_TIOCGPTN: { 1036 int nb; 1037 1038 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1039 if (!error) 1040 error = copyout(&nb, (void *)args->arg, 1041 sizeof(int)); 1042 break; 1043 } 1044 case LINUX_TIOCSPTLCK: 1045 /* Our unlockpt() does nothing. */ 1046 error = 0; 1047 break; 1048 default: 1049 error = ENOIOCTL; 1050 break; 1051 } 1052 1053 fdrop(fp, td); 1054 return (error); 1055} 1056 1057/* 1058 * CDROM related ioctls 1059 */ 1060 1061struct linux_cdrom_msf 1062{ 1063 u_char cdmsf_min0; 1064 u_char cdmsf_sec0; 1065 u_char cdmsf_frame0; 1066 u_char cdmsf_min1; 1067 u_char cdmsf_sec1; 1068 u_char cdmsf_frame1; 1069}; 1070 1071struct linux_cdrom_tochdr 1072{ 1073 u_char cdth_trk0; 1074 u_char cdth_trk1; 1075}; 1076 1077union linux_cdrom_addr 1078{ 1079 struct { 1080 u_char minute; 1081 u_char second; 1082 u_char frame; 1083 } msf; 1084 int lba; 1085}; 1086 1087struct linux_cdrom_tocentry 1088{ 1089 u_char cdte_track; 1090 u_char cdte_adr:4; 1091 u_char cdte_ctrl:4; 1092 u_char cdte_format; 1093 union linux_cdrom_addr cdte_addr; 1094 u_char cdte_datamode; 1095}; 1096 1097struct linux_cdrom_subchnl 1098{ 1099 u_char cdsc_format; 1100 u_char cdsc_audiostatus; 1101 u_char cdsc_adr:4; 1102 u_char cdsc_ctrl:4; 1103 u_char cdsc_trk; 1104 u_char cdsc_ind; 1105 union linux_cdrom_addr cdsc_absaddr; 1106 union linux_cdrom_addr cdsc_reladdr; 1107}; 1108 1109struct l_cdrom_read_audio { 1110 union linux_cdrom_addr addr; 1111 u_char addr_format; 1112 l_int nframes; 1113 u_char *buf; 1114}; 1115 1116struct l_dvd_layer { 1117 u_char book_version:4; 1118 u_char book_type:4; 1119 u_char min_rate:4; 1120 u_char disc_size:4; 1121 u_char layer_type:4; 1122 u_char track_path:1; 1123 u_char nlayers:2; 1124 u_char track_density:4; 1125 u_char linear_density:4; 1126 u_char bca:1; 1127 u_int32_t start_sector; 1128 u_int32_t end_sector; 1129 u_int32_t end_sector_l0; 1130}; 1131 1132struct l_dvd_physical { 1133 u_char type; 1134 u_char layer_num; 1135 struct l_dvd_layer layer[4]; 1136}; 1137 1138struct l_dvd_copyright { 1139 u_char type; 1140 u_char layer_num; 1141 u_char cpst; 1142 u_char rmi; 1143}; 1144 1145struct l_dvd_disckey { 1146 u_char type; 1147 l_uint agid:2; 1148 u_char value[2048]; 1149}; 1150 1151struct l_dvd_bca { 1152 u_char type; 1153 l_int len; 1154 u_char value[188]; 1155}; 1156 1157struct l_dvd_manufact { 1158 u_char type; 1159 u_char layer_num; 1160 l_int len; 1161 u_char value[2048]; 1162}; 1163 1164typedef union { 1165 u_char type; 1166 struct l_dvd_physical physical; 1167 struct l_dvd_copyright copyright; 1168 struct l_dvd_disckey disckey; 1169 struct l_dvd_bca bca; 1170 struct l_dvd_manufact manufact; 1171} l_dvd_struct; 1172 1173typedef u_char l_dvd_key[5]; 1174typedef u_char l_dvd_challenge[10]; 1175 1176struct l_dvd_lu_send_agid { 1177 u_char type; 1178 l_uint agid:2; 1179}; 1180 1181struct l_dvd_host_send_challenge { 1182 u_char type; 1183 l_uint agid:2; 1184 l_dvd_challenge chal; 1185}; 1186 1187struct l_dvd_send_key { 1188 u_char type; 1189 l_uint agid:2; 1190 l_dvd_key key; 1191}; 1192 1193struct l_dvd_lu_send_challenge { 1194 u_char type; 1195 l_uint agid:2; 1196 l_dvd_challenge chal; 1197}; 1198 1199struct l_dvd_lu_send_title_key { 1200 u_char type; 1201 l_uint agid:2; 1202 l_dvd_key title_key; 1203 l_int lba; 1204 l_uint cpm:1; 1205 l_uint cp_sec:1; 1206 l_uint cgms:2; 1207}; 1208 1209struct l_dvd_lu_send_asf { 1210 u_char type; 1211 l_uint agid:2; 1212 l_uint asf:1; 1213}; 1214 1215struct l_dvd_host_send_rpcstate { 1216 u_char type; 1217 u_char pdrc; 1218}; 1219 1220struct l_dvd_lu_send_rpcstate { 1221 u_char type:2; 1222 u_char vra:3; 1223 u_char ucca:3; 1224 u_char region_mask; 1225 u_char rpc_scheme; 1226}; 1227 1228typedef union { 1229 u_char type; 1230 struct l_dvd_lu_send_agid lsa; 1231 struct l_dvd_host_send_challenge hsc; 1232 struct l_dvd_send_key lsk; 1233 struct l_dvd_lu_send_challenge lsc; 1234 struct l_dvd_send_key hsk; 1235 struct l_dvd_lu_send_title_key lstk; 1236 struct l_dvd_lu_send_asf lsasf; 1237 struct l_dvd_host_send_rpcstate hrpcs; 1238 struct l_dvd_lu_send_rpcstate lrpcs; 1239} l_dvd_authinfo; 1240 1241static void 1242bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1243{ 1244 if (af == CD_LBA_FORMAT) 1245 lp->lba = bp->lba; 1246 else { 1247 lp->msf.minute = bp->msf.minute; 1248 lp->msf.second = bp->msf.second; 1249 lp->msf.frame = bp->msf.frame; 1250 } 1251} 1252 1253static void 1254set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1255{ 1256 if (format == LINUX_CDROM_MSF) { 1257 addr->msf.frame = lba % 75; 1258 lba /= 75; 1259 lba += 2; 1260 addr->msf.second = lba % 60; 1261 addr->msf.minute = lba / 60; 1262 } else 1263 addr->lba = lba; 1264} 1265 1266static int 1267linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1268{ 1269 bp->format = lp->type; 1270 switch (bp->format) { 1271 case DVD_STRUCT_PHYSICAL: 1272 if (bp->layer_num >= 4) 1273 return (EINVAL); 1274 bp->layer_num = lp->physical.layer_num; 1275 break; 1276 case DVD_STRUCT_COPYRIGHT: 1277 bp->layer_num = lp->copyright.layer_num; 1278 break; 1279 case DVD_STRUCT_DISCKEY: 1280 bp->agid = lp->disckey.agid; 1281 break; 1282 case DVD_STRUCT_BCA: 1283 case DVD_STRUCT_MANUFACT: 1284 break; 1285 default: 1286 return (EINVAL); 1287 } 1288 return (0); 1289} 1290 1291static int 1292bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1293{ 1294 switch (bp->format) { 1295 case DVD_STRUCT_PHYSICAL: { 1296 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1297 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1298 memset(llp, 0, sizeof(*llp)); 1299 llp->book_version = blp->book_version; 1300 llp->book_type = blp->book_type; 1301 llp->min_rate = blp->max_rate; 1302 llp->disc_size = blp->disc_size; 1303 llp->layer_type = blp->layer_type; 1304 llp->track_path = blp->track_path; 1305 llp->nlayers = blp->nlayers; 1306 llp->track_density = blp->track_density; 1307 llp->linear_density = blp->linear_density; 1308 llp->bca = blp->bca; 1309 llp->start_sector = blp->start_sector; 1310 llp->end_sector = blp->end_sector; 1311 llp->end_sector_l0 = blp->end_sector_l0; 1312 break; 1313 } 1314 case DVD_STRUCT_COPYRIGHT: 1315 lp->copyright.cpst = bp->cpst; 1316 lp->copyright.rmi = bp->rmi; 1317 break; 1318 case DVD_STRUCT_DISCKEY: 1319 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1320 break; 1321 case DVD_STRUCT_BCA: 1322 lp->bca.len = bp->length; 1323 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1324 break; 1325 case DVD_STRUCT_MANUFACT: 1326 lp->manufact.len = bp->length; 1327 memcpy(lp->manufact.value, bp->data, 1328 sizeof(lp->manufact.value)); 1329 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1330 break; 1331 default: 1332 return (EINVAL); 1333 } 1334 return (0); 1335} 1336 1337static int 1338linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1339 struct dvd_authinfo *bp) 1340{ 1341 switch (lp->type) { 1342 case LINUX_DVD_LU_SEND_AGID: 1343 *bcode = DVDIOCREPORTKEY; 1344 bp->format = DVD_REPORT_AGID; 1345 bp->agid = lp->lsa.agid; 1346 break; 1347 case LINUX_DVD_HOST_SEND_CHALLENGE: 1348 *bcode = DVDIOCSENDKEY; 1349 bp->format = DVD_SEND_CHALLENGE; 1350 bp->agid = lp->hsc.agid; 1351 memcpy(bp->keychal, lp->hsc.chal, 10); 1352 break; 1353 case LINUX_DVD_LU_SEND_KEY1: 1354 *bcode = DVDIOCREPORTKEY; 1355 bp->format = DVD_REPORT_KEY1; 1356 bp->agid = lp->lsk.agid; 1357 break; 1358 case LINUX_DVD_LU_SEND_CHALLENGE: 1359 *bcode = DVDIOCREPORTKEY; 1360 bp->format = DVD_REPORT_CHALLENGE; 1361 bp->agid = lp->lsc.agid; 1362 break; 1363 case LINUX_DVD_HOST_SEND_KEY2: 1364 *bcode = DVDIOCSENDKEY; 1365 bp->format = DVD_SEND_KEY2; 1366 bp->agid = lp->hsk.agid; 1367 memcpy(bp->keychal, lp->hsk.key, 5); 1368 break; 1369 case LINUX_DVD_LU_SEND_TITLE_KEY: 1370 *bcode = DVDIOCREPORTKEY; 1371 bp->format = DVD_REPORT_TITLE_KEY; 1372 bp->agid = lp->lstk.agid; 1373 bp->lba = lp->lstk.lba; 1374 break; 1375 case LINUX_DVD_LU_SEND_ASF: 1376 *bcode = DVDIOCREPORTKEY; 1377 bp->format = DVD_REPORT_ASF; 1378 bp->agid = lp->lsasf.agid; 1379 break; 1380 case LINUX_DVD_INVALIDATE_AGID: 1381 *bcode = DVDIOCREPORTKEY; 1382 bp->format = DVD_INVALIDATE_AGID; 1383 bp->agid = lp->lsa.agid; 1384 break; 1385 case LINUX_DVD_LU_SEND_RPC_STATE: 1386 *bcode = DVDIOCREPORTKEY; 1387 bp->format = DVD_REPORT_RPC; 1388 break; 1389 case LINUX_DVD_HOST_SEND_RPC_STATE: 1390 *bcode = DVDIOCSENDKEY; 1391 bp->format = DVD_SEND_RPC; 1392 bp->region = lp->hrpcs.pdrc; 1393 break; 1394 default: 1395 return (EINVAL); 1396 } 1397 return (0); 1398} 1399 1400static int 1401bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1402{ 1403 switch (lp->type) { 1404 case LINUX_DVD_LU_SEND_AGID: 1405 lp->lsa.agid = bp->agid; 1406 break; 1407 case LINUX_DVD_HOST_SEND_CHALLENGE: 1408 lp->type = LINUX_DVD_LU_SEND_KEY1; 1409 break; 1410 case LINUX_DVD_LU_SEND_KEY1: 1411 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1412 break; 1413 case LINUX_DVD_LU_SEND_CHALLENGE: 1414 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1415 break; 1416 case LINUX_DVD_HOST_SEND_KEY2: 1417 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1418 break; 1419 case LINUX_DVD_LU_SEND_TITLE_KEY: 1420 memcpy(lp->lstk.title_key, bp->keychal, 1421 sizeof(lp->lstk.title_key)); 1422 lp->lstk.cpm = bp->cpm; 1423 lp->lstk.cp_sec = bp->cp_sec; 1424 lp->lstk.cgms = bp->cgms; 1425 break; 1426 case LINUX_DVD_LU_SEND_ASF: 1427 lp->lsasf.asf = bp->asf; 1428 break; 1429 case LINUX_DVD_INVALIDATE_AGID: 1430 break; 1431 case LINUX_DVD_LU_SEND_RPC_STATE: 1432 lp->lrpcs.type = bp->reg_type; 1433 lp->lrpcs.vra = bp->vend_rsts; 1434 lp->lrpcs.ucca = bp->user_rsts; 1435 lp->lrpcs.region_mask = bp->region; 1436 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1437 break; 1438 case LINUX_DVD_HOST_SEND_RPC_STATE: 1439 break; 1440 default: 1441 return (EINVAL); 1442 } 1443 return (0); 1444} 1445 1446static int 1447linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1448{ 1449 cap_rights_t rights; 1450 struct file *fp; 1451 int error; 1452 1453 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1454 if (error != 0) 1455 return (error); 1456 switch (args->cmd & 0xffff) { 1457 1458 case LINUX_CDROMPAUSE: 1459 args->cmd = CDIOCPAUSE; 1460 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1461 break; 1462 1463 case LINUX_CDROMRESUME: 1464 args->cmd = CDIOCRESUME; 1465 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1466 break; 1467 1468 case LINUX_CDROMPLAYMSF: 1469 args->cmd = CDIOCPLAYMSF; 1470 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1471 break; 1472 1473 case LINUX_CDROMPLAYTRKIND: 1474 args->cmd = CDIOCPLAYTRACKS; 1475 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1476 break; 1477 1478 case LINUX_CDROMREADTOCHDR: { 1479 struct ioc_toc_header th; 1480 struct linux_cdrom_tochdr lth; 1481 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1482 td->td_ucred, td); 1483 if (!error) { 1484 lth.cdth_trk0 = th.starting_track; 1485 lth.cdth_trk1 = th.ending_track; 1486 copyout(<h, (void *)args->arg, sizeof(lth)); 1487 } 1488 break; 1489 } 1490 1491 case LINUX_CDROMREADTOCENTRY: { 1492 struct linux_cdrom_tocentry lte; 1493 struct ioc_read_toc_single_entry irtse; 1494 1495 error = copyin((void *)args->arg, <e, sizeof(lte)); 1496 if (error) 1497 break; 1498 irtse.address_format = lte.cdte_format; 1499 irtse.track = lte.cdte_track; 1500 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1501 td->td_ucred, td); 1502 if (!error) { 1503 lte.cdte_ctrl = irtse.entry.control; 1504 lte.cdte_adr = irtse.entry.addr_type; 1505 bsd_to_linux_msf_lba(irtse.address_format, 1506 &irtse.entry.addr, <e.cdte_addr); 1507 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1508 } 1509 break; 1510 } 1511 1512 case LINUX_CDROMSTOP: 1513 args->cmd = CDIOCSTOP; 1514 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1515 break; 1516 1517 case LINUX_CDROMSTART: 1518 args->cmd = CDIOCSTART; 1519 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1520 break; 1521 1522 case LINUX_CDROMEJECT: 1523 args->cmd = CDIOCEJECT; 1524 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1525 break; 1526 1527 /* LINUX_CDROMVOLCTRL */ 1528 1529 case LINUX_CDROMSUBCHNL: { 1530 struct linux_cdrom_subchnl sc; 1531 struct ioc_read_subchannel bsdsc; 1532 struct cd_sub_channel_info bsdinfo; 1533 1534 bsdsc.address_format = CD_LBA_FORMAT; 1535 bsdsc.data_format = CD_CURRENT_POSITION; 1536 bsdsc.track = 0; 1537 bsdsc.data_len = sizeof(bsdinfo); 1538 bsdsc.data = &bsdinfo; 1539 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1540 (caddr_t)&bsdsc, td->td_ucred, td); 1541 if (error) 1542 break; 1543 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1544 if (error) 1545 break; 1546 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1547 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1548 sc.cdsc_ctrl = bsdinfo.what.position.control; 1549 sc.cdsc_trk = bsdinfo.what.position.track_number; 1550 sc.cdsc_ind = bsdinfo.what.position.index_number; 1551 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1552 bsdinfo.what.position.absaddr.lba); 1553 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1554 bsdinfo.what.position.reladdr.lba); 1555 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1556 break; 1557 } 1558 1559 /* LINUX_CDROMREADMODE2 */ 1560 /* LINUX_CDROMREADMODE1 */ 1561 /* LINUX_CDROMREADAUDIO */ 1562 /* LINUX_CDROMEJECT_SW */ 1563 /* LINUX_CDROMMULTISESSION */ 1564 /* LINUX_CDROM_GET_UPC */ 1565 1566 case LINUX_CDROMRESET: 1567 args->cmd = CDIOCRESET; 1568 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1569 break; 1570 1571 /* LINUX_CDROMVOLREAD */ 1572 /* LINUX_CDROMREADRAW */ 1573 /* LINUX_CDROMREADCOOKED */ 1574 /* LINUX_CDROMSEEK */ 1575 /* LINUX_CDROMPLAYBLK */ 1576 /* LINUX_CDROMREADALL */ 1577 /* LINUX_CDROMCLOSETRAY */ 1578 /* LINUX_CDROMLOADFROMSLOT */ 1579 /* LINUX_CDROMGETSPINDOWN */ 1580 /* LINUX_CDROMSETSPINDOWN */ 1581 /* LINUX_CDROM_SET_OPTIONS */ 1582 /* LINUX_CDROM_CLEAR_OPTIONS */ 1583 /* LINUX_CDROM_SELECT_SPEED */ 1584 /* LINUX_CDROM_SELECT_DISC */ 1585 /* LINUX_CDROM_MEDIA_CHANGED */ 1586 /* LINUX_CDROM_DRIVE_STATUS */ 1587 /* LINUX_CDROM_DISC_STATUS */ 1588 /* LINUX_CDROM_CHANGER_NSLOTS */ 1589 /* LINUX_CDROM_LOCKDOOR */ 1590 /* LINUX_CDROM_DEBUG */ 1591 /* LINUX_CDROM_GET_CAPABILITY */ 1592 /* LINUX_CDROMAUDIOBUFSIZ */ 1593 1594 case LINUX_DVD_READ_STRUCT: { 1595 l_dvd_struct *lds; 1596 struct dvd_struct *bds; 1597 1598 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1599 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1600 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1601 if (error) 1602 goto out; 1603 error = linux_to_bsd_dvd_struct(lds, bds); 1604 if (error) 1605 goto out; 1606 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1607 td->td_ucred, td); 1608 if (error) 1609 goto out; 1610 error = bsd_to_linux_dvd_struct(bds, lds); 1611 if (error) 1612 goto out; 1613 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1614 out: 1615 free(bds, M_LINUX); 1616 free(lds, M_LINUX); 1617 break; 1618 } 1619 1620 /* LINUX_DVD_WRITE_STRUCT */ 1621 1622 case LINUX_DVD_AUTH: { 1623 l_dvd_authinfo lda; 1624 struct dvd_authinfo bda; 1625 int bcode; 1626 1627 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1628 if (error) 1629 break; 1630 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1631 if (error) 1632 break; 1633 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1634 td); 1635 if (error) { 1636 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1637 lda.type = LINUX_DVD_AUTH_FAILURE; 1638 copyout(&lda, (void *)args->arg, sizeof(lda)); 1639 } 1640 break; 1641 } 1642 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1643 if (error) 1644 break; 1645 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1646 break; 1647 } 1648 1649 case LINUX_SCSI_GET_BUS_NUMBER: 1650 { 1651 struct sg_scsi_id id; 1652 1653 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1654 td->td_ucred, td); 1655 if (error) 1656 break; 1657 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1658 break; 1659 } 1660 1661 case LINUX_SCSI_GET_IDLUN: 1662 { 1663 struct sg_scsi_id id; 1664 struct scsi_idlun idl; 1665 1666 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1667 td->td_ucred, td); 1668 if (error) 1669 break; 1670 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1671 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1672 idl.host_unique_id = id.host_no; 1673 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1674 break; 1675 } 1676 1677 /* LINUX_CDROM_SEND_PACKET */ 1678 /* LINUX_CDROM_NEXT_WRITABLE */ 1679 /* LINUX_CDROM_LAST_WRITTEN */ 1680 1681 default: 1682 error = ENOIOCTL; 1683 break; 1684 } 1685 1686 fdrop(fp, td); 1687 return (error); 1688} 1689 1690static int 1691linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1692{ 1693 1694 return (ENOTTY); 1695} 1696 1697/* 1698 * Sound related ioctls 1699 */ 1700 1701struct linux_old_mixer_info { 1702 char id[16]; 1703 char name[32]; 1704}; 1705 1706static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1707 1708#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1709 1710static int 1711linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1712{ 1713 1714 switch (args->cmd & 0xffff) { 1715 1716 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1717 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1718 return (sys_ioctl(td, (struct ioctl_args *)args)); 1719 1720 case LINUX_SOUND_MIXER_WRITE_BASS: 1721 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1722 return (sys_ioctl(td, (struct ioctl_args *)args)); 1723 1724 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1725 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1726 return (sys_ioctl(td, (struct ioctl_args *)args)); 1727 1728 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1729 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1730 return (sys_ioctl(td, (struct ioctl_args *)args)); 1731 1732 case LINUX_SOUND_MIXER_WRITE_PCM: 1733 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1734 return (sys_ioctl(td, (struct ioctl_args *)args)); 1735 1736 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1737 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1738 return (sys_ioctl(td, (struct ioctl_args *)args)); 1739 1740 case LINUX_SOUND_MIXER_WRITE_LINE: 1741 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1742 return (sys_ioctl(td, (struct ioctl_args *)args)); 1743 1744 case LINUX_SOUND_MIXER_WRITE_MIC: 1745 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1746 return (sys_ioctl(td, (struct ioctl_args *)args)); 1747 1748 case LINUX_SOUND_MIXER_WRITE_CD: 1749 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1750 return (sys_ioctl(td, (struct ioctl_args *)args)); 1751 1752 case LINUX_SOUND_MIXER_WRITE_IMIX: 1753 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1754 return (sys_ioctl(td, (struct ioctl_args *)args)); 1755 1756 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1757 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1758 return (sys_ioctl(td, (struct ioctl_args *)args)); 1759 1760 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1761 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1762 return (sys_ioctl(td, (struct ioctl_args *)args)); 1763 1764 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1765 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1766 return (sys_ioctl(td, (struct ioctl_args *)args)); 1767 1768 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1769 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1770 return (sys_ioctl(td, (struct ioctl_args *)args)); 1771 1772 case LINUX_SOUND_MIXER_WRITE_LINE1: 1773 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1774 return (sys_ioctl(td, (struct ioctl_args *)args)); 1775 1776 case LINUX_SOUND_MIXER_WRITE_LINE2: 1777 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1778 return (sys_ioctl(td, (struct ioctl_args *)args)); 1779 1780 case LINUX_SOUND_MIXER_WRITE_LINE3: 1781 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1782 return (sys_ioctl(td, (struct ioctl_args *)args)); 1783 1784 case LINUX_SOUND_MIXER_INFO: { 1785 /* Key on encoded length */ 1786 switch ((args->cmd >> 16) & 0x1fff) { 1787 case 0x005c: { /* SOUND_MIXER_INFO */ 1788 args->cmd = SOUND_MIXER_INFO; 1789 return (sys_ioctl(td, (struct ioctl_args *)args)); 1790 } 1791 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1792 struct linux_old_mixer_info info; 1793 bzero(&info, sizeof(info)); 1794 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1795 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1796 copyout(&info, (void *)args->arg, sizeof(info)); 1797 return (0); 1798 } 1799 default: 1800 return (ENOIOCTL); 1801 } 1802 break; 1803 } 1804 1805 case LINUX_OSS_GETVERSION: { 1806 int version = linux_get_oss_version(td); 1807 return (copyout(&version, (void *)args->arg, sizeof(int))); 1808 } 1809 1810 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1811 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1812 return (sys_ioctl(td, (struct ioctl_args *)args)); 1813 1814 case LINUX_SOUND_MIXER_READ_CAPS: 1815 args->cmd = SOUND_MIXER_READ_CAPS; 1816 return (sys_ioctl(td, (struct ioctl_args *)args)); 1817 1818 case LINUX_SOUND_MIXER_READ_RECMASK: 1819 args->cmd = SOUND_MIXER_READ_RECMASK; 1820 return (sys_ioctl(td, (struct ioctl_args *)args)); 1821 1822 case LINUX_SOUND_MIXER_READ_DEVMASK: 1823 args->cmd = SOUND_MIXER_READ_DEVMASK; 1824 return (sys_ioctl(td, (struct ioctl_args *)args)); 1825 1826 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1827 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1828 return (sys_ioctl(td, (struct ioctl_args *)args)); 1829 1830 case LINUX_SNDCTL_DSP_RESET: 1831 args->cmd = SNDCTL_DSP_RESET; 1832 return (sys_ioctl(td, (struct ioctl_args *)args)); 1833 1834 case LINUX_SNDCTL_DSP_SYNC: 1835 args->cmd = SNDCTL_DSP_SYNC; 1836 return (sys_ioctl(td, (struct ioctl_args *)args)); 1837 1838 case LINUX_SNDCTL_DSP_SPEED: 1839 args->cmd = SNDCTL_DSP_SPEED; 1840 return (sys_ioctl(td, (struct ioctl_args *)args)); 1841 1842 case LINUX_SNDCTL_DSP_STEREO: 1843 args->cmd = SNDCTL_DSP_STEREO; 1844 return (sys_ioctl(td, (struct ioctl_args *)args)); 1845 1846 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1847 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1848 return (sys_ioctl(td, (struct ioctl_args *)args)); 1849 1850 case LINUX_SNDCTL_DSP_SETFMT: 1851 args->cmd = SNDCTL_DSP_SETFMT; 1852 return (sys_ioctl(td, (struct ioctl_args *)args)); 1853 1854 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1855 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1856 return (sys_ioctl(td, (struct ioctl_args *)args)); 1857 1858 case LINUX_SOUND_PCM_WRITE_FILTER: 1859 args->cmd = SOUND_PCM_WRITE_FILTER; 1860 return (sys_ioctl(td, (struct ioctl_args *)args)); 1861 1862 case LINUX_SNDCTL_DSP_POST: 1863 args->cmd = SNDCTL_DSP_POST; 1864 return (sys_ioctl(td, (struct ioctl_args *)args)); 1865 1866 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1867 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1868 return (sys_ioctl(td, (struct ioctl_args *)args)); 1869 1870 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1871 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1872 return (sys_ioctl(td, (struct ioctl_args *)args)); 1873 1874 case LINUX_SNDCTL_DSP_GETFMTS: 1875 args->cmd = SNDCTL_DSP_GETFMTS; 1876 return (sys_ioctl(td, (struct ioctl_args *)args)); 1877 1878 case LINUX_SNDCTL_DSP_GETOSPACE: 1879 args->cmd = SNDCTL_DSP_GETOSPACE; 1880 return (sys_ioctl(td, (struct ioctl_args *)args)); 1881 1882 case LINUX_SNDCTL_DSP_GETISPACE: 1883 args->cmd = SNDCTL_DSP_GETISPACE; 1884 return (sys_ioctl(td, (struct ioctl_args *)args)); 1885 1886 case LINUX_SNDCTL_DSP_NONBLOCK: 1887 args->cmd = SNDCTL_DSP_NONBLOCK; 1888 return (sys_ioctl(td, (struct ioctl_args *)args)); 1889 1890 case LINUX_SNDCTL_DSP_GETCAPS: 1891 args->cmd = SNDCTL_DSP_GETCAPS; 1892 return (sys_ioctl(td, (struct ioctl_args *)args)); 1893 1894 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1895 args->cmd = SNDCTL_DSP_SETTRIGGER; 1896 return (sys_ioctl(td, (struct ioctl_args *)args)); 1897 1898 case LINUX_SNDCTL_DSP_GETIPTR: 1899 args->cmd = SNDCTL_DSP_GETIPTR; 1900 return (sys_ioctl(td, (struct ioctl_args *)args)); 1901 1902 case LINUX_SNDCTL_DSP_GETOPTR: 1903 args->cmd = SNDCTL_DSP_GETOPTR; 1904 return (sys_ioctl(td, (struct ioctl_args *)args)); 1905 1906 case LINUX_SNDCTL_DSP_SETDUPLEX: 1907 args->cmd = SNDCTL_DSP_SETDUPLEX; 1908 return (sys_ioctl(td, (struct ioctl_args *)args)); 1909 1910 case LINUX_SNDCTL_DSP_GETODELAY: 1911 args->cmd = SNDCTL_DSP_GETODELAY; 1912 return (sys_ioctl(td, (struct ioctl_args *)args)); 1913 1914 case LINUX_SNDCTL_SEQ_RESET: 1915 args->cmd = SNDCTL_SEQ_RESET; 1916 return (sys_ioctl(td, (struct ioctl_args *)args)); 1917 1918 case LINUX_SNDCTL_SEQ_SYNC: 1919 args->cmd = SNDCTL_SEQ_SYNC; 1920 return (sys_ioctl(td, (struct ioctl_args *)args)); 1921 1922 case LINUX_SNDCTL_SYNTH_INFO: 1923 args->cmd = SNDCTL_SYNTH_INFO; 1924 return (sys_ioctl(td, (struct ioctl_args *)args)); 1925 1926 case LINUX_SNDCTL_SEQ_CTRLRATE: 1927 args->cmd = SNDCTL_SEQ_CTRLRATE; 1928 return (sys_ioctl(td, (struct ioctl_args *)args)); 1929 1930 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1931 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1932 return (sys_ioctl(td, (struct ioctl_args *)args)); 1933 1934 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1935 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1936 return (sys_ioctl(td, (struct ioctl_args *)args)); 1937 1938 case LINUX_SNDCTL_SEQ_PERCMODE: 1939 args->cmd = SNDCTL_SEQ_PERCMODE; 1940 return (sys_ioctl(td, (struct ioctl_args *)args)); 1941 1942 case LINUX_SNDCTL_FM_LOAD_INSTR: 1943 args->cmd = SNDCTL_FM_LOAD_INSTR; 1944 return (sys_ioctl(td, (struct ioctl_args *)args)); 1945 1946 case LINUX_SNDCTL_SEQ_TESTMIDI: 1947 args->cmd = SNDCTL_SEQ_TESTMIDI; 1948 return (sys_ioctl(td, (struct ioctl_args *)args)); 1949 1950 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1951 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1952 return (sys_ioctl(td, (struct ioctl_args *)args)); 1953 1954 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1955 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1956 return (sys_ioctl(td, (struct ioctl_args *)args)); 1957 1958 case LINUX_SNDCTL_SEQ_NRMIDIS: 1959 args->cmd = SNDCTL_SEQ_NRMIDIS; 1960 return (sys_ioctl(td, (struct ioctl_args *)args)); 1961 1962 case LINUX_SNDCTL_MIDI_INFO: 1963 args->cmd = SNDCTL_MIDI_INFO; 1964 return (sys_ioctl(td, (struct ioctl_args *)args)); 1965 1966 case LINUX_SNDCTL_SEQ_TRESHOLD: 1967 args->cmd = SNDCTL_SEQ_TRESHOLD; 1968 return (sys_ioctl(td, (struct ioctl_args *)args)); 1969 1970 case LINUX_SNDCTL_SYNTH_MEMAVL: 1971 args->cmd = SNDCTL_SYNTH_MEMAVL; 1972 return (sys_ioctl(td, (struct ioctl_args *)args)); 1973 1974 } 1975 1976 return (ENOIOCTL); 1977} 1978 1979/* 1980 * Console related ioctls 1981 */ 1982 1983#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 1984 1985static int 1986linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1987{ 1988 cap_rights_t rights; 1989 struct file *fp; 1990 int error; 1991 1992 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1993 if (error != 0) 1994 return (error); 1995 switch (args->cmd & 0xffff) { 1996 1997 case LINUX_KIOCSOUND: 1998 args->cmd = KIOCSOUND; 1999 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2000 break; 2001 2002 case LINUX_KDMKTONE: 2003 args->cmd = KDMKTONE; 2004 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2005 break; 2006 2007 case LINUX_KDGETLED: 2008 args->cmd = KDGETLED; 2009 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2010 break; 2011 2012 case LINUX_KDSETLED: 2013 args->cmd = KDSETLED; 2014 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2015 break; 2016 2017 case LINUX_KDSETMODE: 2018 args->cmd = KDSETMODE; 2019 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2020 break; 2021 2022 case LINUX_KDGETMODE: 2023 args->cmd = KDGETMODE; 2024 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2025 break; 2026 2027 case LINUX_KDGKBMODE: 2028 args->cmd = KDGKBMODE; 2029 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2030 break; 2031 2032 case LINUX_KDSKBMODE: { 2033 int kbdmode; 2034 switch (args->arg) { 2035 case LINUX_KBD_RAW: 2036 kbdmode = K_RAW; 2037 break; 2038 case LINUX_KBD_XLATE: 2039 kbdmode = K_XLATE; 2040 break; 2041 case LINUX_KBD_MEDIUMRAW: 2042 kbdmode = K_RAW; 2043 break; 2044 default: 2045 fdrop(fp, td); 2046 return (EINVAL); 2047 } 2048 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2049 td->td_ucred, td)); 2050 break; 2051 } 2052 2053 case LINUX_VT_OPENQRY: 2054 args->cmd = VT_OPENQRY; 2055 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2056 break; 2057 2058 case LINUX_VT_GETMODE: 2059 args->cmd = VT_GETMODE; 2060 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2061 break; 2062 2063 case LINUX_VT_SETMODE: { 2064 struct vt_mode mode; 2065 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2066 break; 2067 if (!ISSIGVALID(mode.frsig) && ISSIGVALID(mode.acqsig)) 2068 mode.frsig = mode.acqsig; 2069 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2070 break; 2071 args->cmd = VT_SETMODE; 2072 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2073 break; 2074 } 2075 2076 case LINUX_VT_GETSTATE: 2077 args->cmd = VT_GETACTIVE; 2078 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2079 break; 2080 2081 case LINUX_VT_RELDISP: 2082 args->cmd = VT_RELDISP; 2083 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2084 break; 2085 2086 case LINUX_VT_ACTIVATE: 2087 args->cmd = VT_ACTIVATE; 2088 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2089 break; 2090 2091 case LINUX_VT_WAITACTIVE: 2092 args->cmd = VT_WAITACTIVE; 2093 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2094 break; 2095 2096 default: 2097 error = ENOIOCTL; 2098 break; 2099 } 2100 2101 fdrop(fp, td); 2102 return (error); 2103} 2104 2105/* 2106 * Criteria for interface name translation 2107 */ 2108#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2109 2110/* 2111 * Interface function used by linprocfs (at the time of writing). It's not 2112 * used by the Linuxulator itself. 2113 */ 2114int 2115linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 2116{ 2117 struct ifnet *ifscan; 2118 int ethno; 2119 2120 IFNET_RLOCK_ASSERT(); 2121 2122 /* Short-circuit non ethernet interfaces */ 2123 if (!IFP_IS_ETH(ifp)) 2124 return (strlcpy(buffer, ifp->if_xname, buflen)); 2125 2126 /* Determine the (relative) unit number for ethernet interfaces */ 2127 ethno = 0; 2128 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 2129 if (ifscan == ifp) 2130 return (snprintf(buffer, buflen, "eth%d", ethno)); 2131 if (IFP_IS_ETH(ifscan)) 2132 ethno++; 2133 } 2134 2135 return (0); 2136} 2137 2138/* 2139 * Translate a Linux interface name to a FreeBSD interface name, 2140 * and return the associated ifnet structure 2141 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2142 * can point to the same buffer. 2143 */ 2144 2145static struct ifnet * 2146ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2147{ 2148 struct ifnet *ifp; 2149 int len, unit; 2150 char *ep; 2151 int is_eth, index; 2152 2153 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2154 if (!isalpha(lxname[len])) 2155 break; 2156 if (len == 0 || len == LINUX_IFNAMSIZ) 2157 return (NULL); 2158 unit = (int)strtoul(lxname + len, &ep, 10); 2159 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2160 return (NULL); 2161 index = 0; 2162 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2163 CURVNET_SET(TD_TO_VNET(td)); 2164 IFNET_RLOCK(); 2165 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2166 /* 2167 * Allow Linux programs to use FreeBSD names. Don't presume 2168 * we never have an interface named "eth", so don't make 2169 * the test optional based on is_eth. 2170 */ 2171 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2172 break; 2173 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2174 break; 2175 } 2176 IFNET_RUNLOCK(); 2177 CURVNET_RESTORE(); 2178 if (ifp != NULL) 2179 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2180 return (ifp); 2181} 2182 2183/* 2184 * Implement the SIOCGIFCONF ioctl 2185 */ 2186 2187static int 2188linux_ifconf(struct thread *td, struct ifconf *uifc) 2189{ 2190#ifdef COMPAT_LINUX32 2191 struct l_ifconf ifc; 2192#else 2193 struct ifconf ifc; 2194#endif 2195 struct l_ifreq ifr; 2196 struct ifnet *ifp; 2197 struct ifaddr *ifa; 2198 struct sbuf *sb; 2199 int error, ethno, full = 0, valid_len, max_len; 2200 2201 error = copyin(uifc, &ifc, sizeof(ifc)); 2202 if (error != 0) 2203 return (error); 2204 2205 max_len = MAXPHYS - 1; 2206 2207 CURVNET_SET(TD_TO_VNET(td)); 2208 /* handle the 'request buffer size' case */ 2209 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2210 ifc.ifc_len = 0; 2211 IFNET_RLOCK(); 2212 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2213 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2214 struct sockaddr *sa = ifa->ifa_addr; 2215 if (sa->sa_family == AF_INET) 2216 ifc.ifc_len += sizeof(ifr); 2217 } 2218 } 2219 IFNET_RUNLOCK(); 2220 error = copyout(&ifc, uifc, sizeof(ifc)); 2221 CURVNET_RESTORE(); 2222 return (error); 2223 } 2224 2225 if (ifc.ifc_len <= 0) { 2226 CURVNET_RESTORE(); 2227 return (EINVAL); 2228 } 2229 2230again: 2231 /* Keep track of eth interfaces */ 2232 ethno = 0; 2233 if (ifc.ifc_len <= max_len) { 2234 max_len = ifc.ifc_len; 2235 full = 1; 2236 } 2237 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2238 max_len = 0; 2239 valid_len = 0; 2240 2241 /* Return all AF_INET addresses of all interfaces */ 2242 IFNET_RLOCK(); 2243 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2244 int addrs = 0; 2245 2246 bzero(&ifr, sizeof(ifr)); 2247 if (IFP_IS_ETH(ifp)) 2248 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2249 ethno++); 2250 else 2251 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2252 2253 /* Walk the address list */ 2254 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2255 struct sockaddr *sa = ifa->ifa_addr; 2256 2257 if (sa->sa_family == AF_INET) { 2258 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2259 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2260 sizeof(ifr.ifr_addr.sa_data)); 2261 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2262 max_len += sizeof(ifr); 2263 addrs++; 2264 } 2265 2266 if (sbuf_error(sb) == 0) 2267 valid_len = sbuf_len(sb); 2268 } 2269 if (addrs == 0) { 2270 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2271 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2272 max_len += sizeof(ifr); 2273 2274 if (sbuf_error(sb) == 0) 2275 valid_len = sbuf_len(sb); 2276 } 2277 } 2278 IFNET_RUNLOCK(); 2279 2280 if (valid_len != max_len && !full) { 2281 sbuf_delete(sb); 2282 goto again; 2283 } 2284 2285 ifc.ifc_len = valid_len; 2286 sbuf_finish(sb); 2287 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2288 if (error == 0) 2289 error = copyout(&ifc, uifc, sizeof(ifc)); 2290 sbuf_delete(sb); 2291 CURVNET_RESTORE(); 2292 2293 return (error); 2294} 2295 2296static int 2297linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2298{ 2299 l_short flags; 2300 2301 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2302 /* these flags have no Linux equivalent */ 2303 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2304 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2305 /* Linux' multicast flag is in a different bit */ 2306 if (flags & IFF_MULTICAST) { 2307 flags &= ~IFF_MULTICAST; 2308 flags |= 0x1000; 2309 } 2310 2311 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2312} 2313 2314#define ARPHRD_ETHER 1 2315#define ARPHRD_LOOPBACK 772 2316 2317static int 2318linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2319{ 2320 struct ifaddr *ifa; 2321 struct sockaddr_dl *sdl; 2322 struct l_sockaddr lsa; 2323 2324 if (ifp->if_type == IFT_LOOP) { 2325 bzero(&lsa, sizeof(lsa)); 2326 lsa.sa_family = ARPHRD_LOOPBACK; 2327 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2328 } 2329 2330 if (ifp->if_type != IFT_ETHER) 2331 return (ENOENT); 2332 2333 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2334 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2335 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2336 (sdl->sdl_type == IFT_ETHER)) { 2337 bzero(&lsa, sizeof(lsa)); 2338 lsa.sa_family = ARPHRD_ETHER; 2339 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2340 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2341 } 2342 } 2343 2344 return (ENOENT); 2345} 2346 2347 2348 /* 2349* If we fault in bsd_to_linux_ifreq() then we will fault when we call 2350* the native ioctl(). Thus, we don't really need to check the return 2351* value of this function. 2352*/ 2353static int 2354bsd_to_linux_ifreq(struct ifreq *arg) 2355{ 2356 struct ifreq ifr; 2357 size_t ifr_len = sizeof(struct ifreq); 2358 int error; 2359 2360 if ((error = copyin(arg, &ifr, ifr_len))) 2361 return (error); 2362 2363 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2364 2365 error = copyout(&ifr, arg, ifr_len); 2366 2367 return (error); 2368} 2369 2370/* 2371 * Socket related ioctls 2372 */ 2373 2374static int 2375linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2376{ 2377 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2378 cap_rights_t rights; 2379 struct ifnet *ifp; 2380 struct file *fp; 2381 int error, type; 2382 2383 ifp = NULL; 2384 error = 0; 2385 2386 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2387 if (error != 0) 2388 return (error); 2389 type = fp->f_type; 2390 fdrop(fp, td); 2391 if (type != DTYPE_SOCKET) { 2392 /* not a socket - probably a tap / vmnet device */ 2393 switch (args->cmd) { 2394 case LINUX_SIOCGIFADDR: 2395 case LINUX_SIOCSIFADDR: 2396 case LINUX_SIOCGIFFLAGS: 2397 return (linux_ioctl_special(td, args)); 2398 default: 2399 return (ENOIOCTL); 2400 } 2401 } 2402 2403 switch (args->cmd & 0xffff) { 2404 2405 case LINUX_FIOGETOWN: 2406 case LINUX_FIOSETOWN: 2407 case LINUX_SIOCADDMULTI: 2408 case LINUX_SIOCATMARK: 2409 case LINUX_SIOCDELMULTI: 2410 case LINUX_SIOCGIFCONF: 2411 case LINUX_SIOCGPGRP: 2412 case LINUX_SIOCSPGRP: 2413 case LINUX_SIOCGIFCOUNT: 2414 /* these ioctls don't take an interface name */ 2415#ifdef DEBUG 2416 printf("%s(): ioctl %d\n", __func__, 2417 args->cmd & 0xffff); 2418#endif 2419 break; 2420 2421 case LINUX_SIOCGIFFLAGS: 2422 case LINUX_SIOCGIFADDR: 2423 case LINUX_SIOCSIFADDR: 2424 case LINUX_SIOCGIFDSTADDR: 2425 case LINUX_SIOCGIFBRDADDR: 2426 case LINUX_SIOCGIFNETMASK: 2427 case LINUX_SIOCSIFNETMASK: 2428 case LINUX_SIOCGIFMTU: 2429 case LINUX_SIOCSIFMTU: 2430 case LINUX_SIOCSIFNAME: 2431 case LINUX_SIOCGIFHWADDR: 2432 case LINUX_SIOCSIFHWADDR: 2433 case LINUX_SIOCDEVPRIVATE: 2434 case LINUX_SIOCDEVPRIVATE+1: 2435 case LINUX_SIOCGIFINDEX: 2436 /* copy in the interface name and translate it. */ 2437 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2438 if (error != 0) 2439 return (error); 2440#ifdef DEBUG 2441 printf("%s(): ioctl %d on %.*s\n", __func__, 2442 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2443#endif 2444 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2445 if (ifp == NULL) 2446 return (EINVAL); 2447 /* 2448 * We need to copy it back out in case we pass the 2449 * request on to our native ioctl(), which will expect 2450 * the ifreq to be in user space and have the correct 2451 * interface name. 2452 */ 2453 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2454 if (error != 0) 2455 return (error); 2456#ifdef DEBUG 2457 printf("%s(): %s translated to %s\n", __func__, 2458 lifname, ifname); 2459#endif 2460 break; 2461 2462 default: 2463 return (ENOIOCTL); 2464 } 2465 2466 switch (args->cmd & 0xffff) { 2467 2468 case LINUX_FIOSETOWN: 2469 args->cmd = FIOSETOWN; 2470 error = sys_ioctl(td, (struct ioctl_args *)args); 2471 break; 2472 2473 case LINUX_SIOCSPGRP: 2474 args->cmd = SIOCSPGRP; 2475 error = sys_ioctl(td, (struct ioctl_args *)args); 2476 break; 2477 2478 case LINUX_FIOGETOWN: 2479 args->cmd = FIOGETOWN; 2480 error = sys_ioctl(td, (struct ioctl_args *)args); 2481 break; 2482 2483 case LINUX_SIOCGPGRP: 2484 args->cmd = SIOCGPGRP; 2485 error = sys_ioctl(td, (struct ioctl_args *)args); 2486 break; 2487 2488 case LINUX_SIOCATMARK: 2489 args->cmd = SIOCATMARK; 2490 error = sys_ioctl(td, (struct ioctl_args *)args); 2491 break; 2492 2493 /* LINUX_SIOCGSTAMP */ 2494 2495 case LINUX_SIOCGIFCONF: 2496 error = linux_ifconf(td, (struct ifconf *)args->arg); 2497 break; 2498 2499 case LINUX_SIOCGIFFLAGS: 2500 args->cmd = SIOCGIFFLAGS; 2501 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2502 break; 2503 2504 case LINUX_SIOCGIFADDR: 2505 args->cmd = SIOCGIFADDR; 2506 error = sys_ioctl(td, (struct ioctl_args *)args); 2507 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2508 break; 2509 2510 case LINUX_SIOCSIFADDR: 2511 /* XXX probably doesn't work, included for completeness */ 2512 args->cmd = SIOCSIFADDR; 2513 error = sys_ioctl(td, (struct ioctl_args *)args); 2514 break; 2515 2516 case LINUX_SIOCGIFDSTADDR: 2517 args->cmd = SIOCGIFDSTADDR; 2518 error = sys_ioctl(td, (struct ioctl_args *)args); 2519 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2520 break; 2521 2522 case LINUX_SIOCGIFBRDADDR: 2523 args->cmd = SIOCGIFBRDADDR; 2524 error = sys_ioctl(td, (struct ioctl_args *)args); 2525 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2526 break; 2527 2528 case LINUX_SIOCGIFNETMASK: 2529 args->cmd = SIOCGIFNETMASK; 2530 error = sys_ioctl(td, (struct ioctl_args *)args); 2531 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2532 break; 2533 2534 case LINUX_SIOCSIFNETMASK: 2535 error = ENOIOCTL; 2536 break; 2537 2538 case LINUX_SIOCGIFMTU: 2539 args->cmd = SIOCGIFMTU; 2540 error = sys_ioctl(td, (struct ioctl_args *)args); 2541 break; 2542 2543 case LINUX_SIOCSIFMTU: 2544 args->cmd = SIOCSIFMTU; 2545 error = sys_ioctl(td, (struct ioctl_args *)args); 2546 break; 2547 2548 case LINUX_SIOCSIFNAME: 2549 error = ENOIOCTL; 2550 break; 2551 2552 case LINUX_SIOCGIFHWADDR: 2553 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2554 break; 2555 2556 case LINUX_SIOCSIFHWADDR: 2557 error = ENOIOCTL; 2558 break; 2559 2560 case LINUX_SIOCADDMULTI: 2561 args->cmd = SIOCADDMULTI; 2562 error = sys_ioctl(td, (struct ioctl_args *)args); 2563 break; 2564 2565 case LINUX_SIOCDELMULTI: 2566 args->cmd = SIOCDELMULTI; 2567 error = sys_ioctl(td, (struct ioctl_args *)args); 2568 break; 2569 2570 case LINUX_SIOCGIFINDEX: 2571 args->cmd = SIOCGIFINDEX; 2572 error = sys_ioctl(td, (struct ioctl_args *)args); 2573 break; 2574 2575 case LINUX_SIOCGIFCOUNT: 2576 error = 0; 2577 break; 2578 2579 /* 2580 * XXX This is slightly bogus, but these ioctls are currently 2581 * XXX only used by the aironet (if_an) network driver. 2582 */ 2583 case LINUX_SIOCDEVPRIVATE: 2584 args->cmd = SIOCGPRIVATE_0; 2585 error = sys_ioctl(td, (struct ioctl_args *)args); 2586 break; 2587 2588 case LINUX_SIOCDEVPRIVATE+1: 2589 args->cmd = SIOCGPRIVATE_1; 2590 error = sys_ioctl(td, (struct ioctl_args *)args); 2591 break; 2592 } 2593 2594 if (ifp != NULL) 2595 /* restore the original interface name */ 2596 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2597 2598#ifdef DEBUG 2599 printf("%s(): returning %d\n", __func__, error); 2600#endif 2601 return (error); 2602} 2603 2604/* 2605 * Device private ioctl handler 2606 */ 2607static int 2608linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2609{ 2610 cap_rights_t rights; 2611 struct file *fp; 2612 int error, type; 2613 2614 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2615 if (error != 0) 2616 return (error); 2617 type = fp->f_type; 2618 fdrop(fp, td); 2619 if (type == DTYPE_SOCKET) 2620 return (linux_ioctl_socket(td, args)); 2621 return (ENOIOCTL); 2622} 2623 2624/* 2625 * DRM ioctl handler (sys/dev/drm) 2626 */ 2627static int 2628linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2629{ 2630 args->cmd = SETDIR(args->cmd); 2631 return sys_ioctl(td, (struct ioctl_args *)args); 2632} 2633 2634#ifdef COMPAT_LINUX32 2635#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 2636#define PTRIN_CP(src,dst,fld) \ 2637 do { (dst).fld = PTRIN((src).fld); } while (0) 2638#define PTROUT_CP(src,dst,fld) \ 2639 do { (dst).fld = PTROUT((src).fld); } while (0) 2640 2641static int 2642linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2643{ 2644 struct sg_io_hdr io; 2645 struct sg_io_hdr32 io32; 2646 cap_rights_t rights; 2647 struct file *fp; 2648 int error; 2649 2650 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2651 if (error != 0) { 2652 printf("sg_linux_ioctl: fget returned %d\n", error); 2653 return (error); 2654 } 2655 2656 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2657 goto out; 2658 2659 CP(io32, io, interface_id); 2660 CP(io32, io, dxfer_direction); 2661 CP(io32, io, cmd_len); 2662 CP(io32, io, mx_sb_len); 2663 CP(io32, io, iovec_count); 2664 CP(io32, io, dxfer_len); 2665 PTRIN_CP(io32, io, dxferp); 2666 PTRIN_CP(io32, io, cmdp); 2667 PTRIN_CP(io32, io, sbp); 2668 CP(io32, io, timeout); 2669 CP(io32, io, flags); 2670 CP(io32, io, pack_id); 2671 PTRIN_CP(io32, io, usr_ptr); 2672 CP(io32, io, status); 2673 CP(io32, io, masked_status); 2674 CP(io32, io, msg_status); 2675 CP(io32, io, sb_len_wr); 2676 CP(io32, io, host_status); 2677 CP(io32, io, driver_status); 2678 CP(io32, io, resid); 2679 CP(io32, io, duration); 2680 CP(io32, io, info); 2681 2682 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2683 goto out; 2684 2685 CP(io, io32, interface_id); 2686 CP(io, io32, dxfer_direction); 2687 CP(io, io32, cmd_len); 2688 CP(io, io32, mx_sb_len); 2689 CP(io, io32, iovec_count); 2690 CP(io, io32, dxfer_len); 2691 PTROUT_CP(io, io32, dxferp); 2692 PTROUT_CP(io, io32, cmdp); 2693 PTROUT_CP(io, io32, sbp); 2694 CP(io, io32, timeout); 2695 CP(io, io32, flags); 2696 CP(io, io32, pack_id); 2697 PTROUT_CP(io, io32, usr_ptr); 2698 CP(io, io32, status); 2699 CP(io, io32, masked_status); 2700 CP(io, io32, msg_status); 2701 CP(io, io32, sb_len_wr); 2702 CP(io, io32, host_status); 2703 CP(io, io32, driver_status); 2704 CP(io, io32, resid); 2705 CP(io, io32, duration); 2706 CP(io, io32, info); 2707 2708 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2709 2710out: 2711 fdrop(fp, td); 2712 return (error); 2713} 2714#endif 2715 2716static int 2717linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2718{ 2719 2720 switch (args->cmd) { 2721 case LINUX_SG_GET_VERSION_NUM: 2722 args->cmd = SG_GET_VERSION_NUM; 2723 break; 2724 case LINUX_SG_SET_TIMEOUT: 2725 args->cmd = SG_SET_TIMEOUT; 2726 break; 2727 case LINUX_SG_GET_TIMEOUT: 2728 args->cmd = SG_GET_TIMEOUT; 2729 break; 2730 case LINUX_SG_IO: 2731 args->cmd = SG_IO; 2732#ifdef COMPAT_LINUX32 2733 return (linux_ioctl_sg_io(td, args)); 2734#endif 2735 break; 2736 case LINUX_SG_GET_RESERVED_SIZE: 2737 args->cmd = SG_GET_RESERVED_SIZE; 2738 break; 2739 case LINUX_SG_GET_SCSI_ID: 2740 args->cmd = SG_GET_SCSI_ID; 2741 break; 2742 case LINUX_SG_GET_SG_TABLESIZE: 2743 args->cmd = SG_GET_SG_TABLESIZE; 2744 break; 2745 default: 2746 return (ENODEV); 2747 } 2748 return (sys_ioctl(td, (struct ioctl_args *)args)); 2749} 2750 2751/* 2752 * Video4Linux (V4L) ioctl handler 2753 */ 2754static int 2755linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2756{ 2757 vt->tuner = lvt->tuner; 2758 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2759 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2760 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2761 vt->flags = lvt->flags; 2762 vt->mode = lvt->mode; 2763 vt->signal = lvt->signal; 2764 return (0); 2765} 2766 2767static int 2768bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2769{ 2770 lvt->tuner = vt->tuner; 2771 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2772 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2773 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2774 lvt->flags = vt->flags; 2775 lvt->mode = vt->mode; 2776 lvt->signal = vt->signal; 2777 return (0); 2778} 2779 2780#ifdef COMPAT_LINUX_V4L_CLIPLIST 2781static int 2782linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2783{ 2784 vc->x = lvc->x; 2785 vc->y = lvc->y; 2786 vc->width = lvc->width; 2787 vc->height = lvc->height; 2788 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2789 return (0); 2790} 2791#endif 2792 2793static int 2794linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2795{ 2796 vw->x = lvw->x; 2797 vw->y = lvw->y; 2798 vw->width = lvw->width; 2799 vw->height = lvw->height; 2800 vw->chromakey = lvw->chromakey; 2801 vw->flags = lvw->flags; 2802 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2803 vw->clipcount = lvw->clipcount; 2804 return (0); 2805} 2806 2807static int 2808bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2809{ 2810 lvw->x = vw->x; 2811 lvw->y = vw->y; 2812 lvw->width = vw->width; 2813 lvw->height = vw->height; 2814 lvw->chromakey = vw->chromakey; 2815 lvw->flags = vw->flags; 2816 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2817 lvw->clipcount = vw->clipcount; 2818 return (0); 2819} 2820 2821static int 2822linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2823{ 2824 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2825 vb->height = lvb->height; 2826 vb->width = lvb->width; 2827 vb->depth = lvb->depth; 2828 vb->bytesperline = lvb->bytesperline; 2829 return (0); 2830} 2831 2832static int 2833bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2834{ 2835 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2836 lvb->height = vb->height; 2837 lvb->width = vb->width; 2838 lvb->depth = vb->depth; 2839 lvb->bytesperline = vb->bytesperline; 2840 return (0); 2841} 2842 2843static int 2844linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2845{ 2846 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2847 vc->datasize = lvc->datasize; 2848 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2849 return (0); 2850} 2851 2852#ifdef COMPAT_LINUX_V4L_CLIPLIST 2853static int 2854linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2855{ 2856 int error; 2857 struct video_clip vclip; 2858 struct l_video_clip l_vclip; 2859 2860 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2861 if (error) return (error); 2862 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2863 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2864 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2865 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2866 memcpy(*ppvc, &vclip, sizeof(vclip)); 2867 (*ppvc)->next = NULL; 2868 return (0); 2869} 2870 2871static int 2872linux_v4l_cliplist_free(struct video_window *vw) 2873{ 2874 struct video_clip **ppvc; 2875 struct video_clip **ppvc_next; 2876 2877 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2878 ppvc_next = &((*ppvc)->next); 2879 free(*ppvc, M_LINUX); 2880 } 2881 vw->clips = NULL; 2882 2883 return (0); 2884} 2885 2886static int 2887linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2888{ 2889 int error; 2890 int clipcount; 2891 void *plvc; 2892 struct video_clip **ppvc; 2893 2894 /* 2895 * XXX: The cliplist is used to pass in a list of clipping 2896 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2897 * clipping bitmap. Some Linux apps, however, appear to 2898 * leave cliplist and clips uninitialized. In any case, 2899 * the cliplist is not used by pwc(4), at the time of 2900 * writing, FreeBSD's only V4L driver. When a driver 2901 * that uses the cliplist is developed, this code may 2902 * need re-examiniation. 2903 */ 2904 error = 0; 2905 clipcount = vw->clipcount; 2906 if (clipcount == VIDEO_CLIP_BITMAP) { 2907 /* 2908 * In this case, the pointer (clips) is overloaded 2909 * to be a "void *" to a bitmap, therefore there 2910 * is no struct video_clip to copy now. 2911 */ 2912 } else if (clipcount > 0 && clipcount <= 16384) { 2913 /* 2914 * Clips points to list of clip rectangles, so 2915 * copy the list. 2916 * 2917 * XXX: Upper limit of 16384 was used here to try to 2918 * avoid cases when clipcount and clips pointer 2919 * are uninitialized and therefore have high random 2920 * values, as is the case in the Linux Skype 2921 * application. The value 16384 was chosen as that 2922 * is what is used in the Linux stradis(4) MPEG 2923 * decoder driver, the only place we found an 2924 * example of cliplist use. 2925 */ 2926 plvc = PTRIN(lvw->clips); 2927 vw->clips = NULL; 2928 ppvc = &(vw->clips); 2929 while (clipcount-- > 0) { 2930 if (plvc == 0) { 2931 error = EFAULT; 2932 break; 2933 } else { 2934 error = linux_v4l_clip_copy(plvc, ppvc); 2935 if (error) { 2936 linux_v4l_cliplist_free(vw); 2937 break; 2938 } 2939 } 2940 ppvc = &((*ppvc)->next); 2941 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2942 } 2943 } else { 2944 /* 2945 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2946 * Force cliplist to null. 2947 */ 2948 vw->clipcount = 0; 2949 vw->clips = NULL; 2950 } 2951 return (error); 2952} 2953#endif 2954 2955static int 2956linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2957{ 2958 cap_rights_t rights; 2959 struct file *fp; 2960 int error; 2961 struct video_tuner vtun; 2962 struct video_window vwin; 2963 struct video_buffer vbuf; 2964 struct video_code vcode; 2965 struct l_video_tuner l_vtun; 2966 struct l_video_window l_vwin; 2967 struct l_video_buffer l_vbuf; 2968 struct l_video_code l_vcode; 2969 2970 switch (args->cmd & 0xffff) { 2971 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2972 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2973 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2974 2975 case LINUX_VIDIOCGTUNER: 2976 error = fget(td, args->fd, 2977 cap_rights_init(&rights, CAP_IOCTL), &fp); 2978 if (error != 0) 2979 return (error); 2980 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2981 if (error) { 2982 fdrop(fp, td); 2983 return (error); 2984 } 2985 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2986 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2987 if (!error) { 2988 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2989 error = copyout(&l_vtun, (void *) args->arg, 2990 sizeof(l_vtun)); 2991 } 2992 fdrop(fp, td); 2993 return (error); 2994 2995 case LINUX_VIDIOCSTUNER: 2996 error = fget(td, args->fd, 2997 cap_rights_init(&rights, CAP_IOCTL), &fp); 2998 if (error != 0) 2999 return (error); 3000 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 3001 if (error) { 3002 fdrop(fp, td); 3003 return (error); 3004 } 3005 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 3006 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 3007 fdrop(fp, td); 3008 return (error); 3009 3010 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 3011 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 3012 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 3013 3014 case LINUX_VIDIOCGWIN: 3015 error = fget(td, args->fd, 3016 cap_rights_init(&rights, CAP_IOCTL), &fp); 3017 if (error != 0) 3018 return (error); 3019 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 3020 if (!error) { 3021 bsd_to_linux_v4l_window(&vwin, &l_vwin); 3022 error = copyout(&l_vwin, (void *) args->arg, 3023 sizeof(l_vwin)); 3024 } 3025 fdrop(fp, td); 3026 return (error); 3027 3028 case LINUX_VIDIOCSWIN: 3029 error = fget(td, args->fd, 3030 cap_rights_init(&rights, CAP_IOCTL), &fp); 3031 if (error != 0) 3032 return (error); 3033 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 3034 if (error) { 3035 fdrop(fp, td); 3036 return (error); 3037 } 3038 linux_to_bsd_v4l_window(&l_vwin, &vwin); 3039#ifdef COMPAT_LINUX_V4L_CLIPLIST 3040 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 3041 if (error) { 3042 fdrop(fp, td); 3043 return (error); 3044 } 3045#endif 3046 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 3047 fdrop(fp, td); 3048#ifdef COMPAT_LINUX_V4L_CLIPLIST 3049 linux_v4l_cliplist_free(&vwin); 3050#endif 3051 return (error); 3052 3053 case LINUX_VIDIOCGFBUF: 3054 error = fget(td, args->fd, 3055 cap_rights_init(&rights, CAP_IOCTL), &fp); 3056 if (error != 0) 3057 return (error); 3058 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 3059 if (!error) { 3060 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 3061 error = copyout(&l_vbuf, (void *) args->arg, 3062 sizeof(l_vbuf)); 3063 } 3064 fdrop(fp, td); 3065 return (error); 3066 3067 case LINUX_VIDIOCSFBUF: 3068 error = fget(td, args->fd, 3069 cap_rights_init(&rights, CAP_IOCTL), &fp); 3070 if (error != 0) 3071 return (error); 3072 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 3073 if (error) { 3074 fdrop(fp, td); 3075 return (error); 3076 } 3077 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3078 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3079 fdrop(fp, td); 3080 return (error); 3081 3082 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3083 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3084 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3085 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3086 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3087 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3088 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3089 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3090 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3091 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3092 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3093 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3094 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3095 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3096 3097 case LINUX_VIDIOCSMICROCODE: 3098 error = fget(td, args->fd, 3099 cap_rights_init(&rights, CAP_IOCTL), &fp); 3100 if (error != 0) 3101 return (error); 3102 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3103 if (error) { 3104 fdrop(fp, td); 3105 return (error); 3106 } 3107 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3108 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3109 fdrop(fp, td); 3110 return (error); 3111 3112 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3113 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3114 default: return (ENOIOCTL); 3115 } 3116 3117 error = sys_ioctl(td, (struct ioctl_args *)args); 3118 return (error); 3119} 3120 3121/* 3122 * Special ioctl handler 3123 */ 3124static int 3125linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3126{ 3127 int error; 3128 3129 switch (args->cmd) { 3130 case LINUX_SIOCGIFADDR: 3131 args->cmd = SIOCGIFADDR; 3132 error = sys_ioctl(td, (struct ioctl_args *)args); 3133 break; 3134 case LINUX_SIOCSIFADDR: 3135 args->cmd = SIOCSIFADDR; 3136 error = sys_ioctl(td, (struct ioctl_args *)args); 3137 break; 3138 case LINUX_SIOCGIFFLAGS: 3139 args->cmd = SIOCGIFFLAGS; 3140 error = sys_ioctl(td, (struct ioctl_args *)args); 3141 break; 3142 default: 3143 error = ENOIOCTL; 3144 } 3145 3146 return (error); 3147} 3148 3149static int 3150linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3151{ 3152 vstd->index = lvstd->index; 3153 vstd->id = lvstd->id; 3154 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3155 return (0); 3156} 3157 3158static int 3159bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3160{ 3161 lvstd->index = vstd->index; 3162 lvstd->id = vstd->id; 3163 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3164 return (0); 3165} 3166 3167static int 3168linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3169{ 3170 vb->index = lvb->index; 3171 vb->type = lvb->type; 3172 vb->bytesused = lvb->bytesused; 3173 vb->flags = lvb->flags; 3174 vb->field = lvb->field; 3175 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3176 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3177 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3178 vb->sequence = lvb->sequence; 3179 vb->memory = lvb->memory; 3180 if (lvb->memory == V4L2_MEMORY_USERPTR) 3181 /* possible pointer size conversion */ 3182 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3183 else 3184 vb->m.offset = lvb->m.offset; 3185 vb->length = lvb->length; 3186 vb->input = lvb->input; 3187 vb->reserved = lvb->reserved; 3188 return (0); 3189} 3190 3191static int 3192bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3193{ 3194 lvb->index = vb->index; 3195 lvb->type = vb->type; 3196 lvb->bytesused = vb->bytesused; 3197 lvb->flags = vb->flags; 3198 lvb->field = vb->field; 3199 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3200 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3201 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3202 lvb->sequence = vb->sequence; 3203 lvb->memory = vb->memory; 3204 if (vb->memory == V4L2_MEMORY_USERPTR) 3205 /* possible pointer size conversion */ 3206 lvb->m.userptr = PTROUT(vb->m.userptr); 3207 else 3208 lvb->m.offset = vb->m.offset; 3209 lvb->length = vb->length; 3210 lvb->input = vb->input; 3211 lvb->reserved = vb->reserved; 3212 return (0); 3213} 3214 3215static int 3216linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3217{ 3218 vf->type = lvf->type; 3219 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3220#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3221 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3222#endif 3223 ) 3224 /* 3225 * XXX TODO - needs 32 -> 64 bit conversion: 3226 * (unused by webcams?) 3227 */ 3228 return EINVAL; 3229 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3230 return 0; 3231} 3232 3233static int 3234bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3235{ 3236 lvf->type = vf->type; 3237 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3238#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3239 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3240#endif 3241 ) 3242 /* 3243 * XXX TODO - needs 32 -> 64 bit conversion: 3244 * (unused by webcams?) 3245 */ 3246 return EINVAL; 3247 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3248 return 0; 3249} 3250static int 3251linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3252{ 3253 cap_rights_t rights; 3254 struct file *fp; 3255 int error; 3256 struct v4l2_format vformat; 3257 struct l_v4l2_format l_vformat; 3258 struct v4l2_standard vstd; 3259 struct l_v4l2_standard l_vstd; 3260 struct l_v4l2_buffer l_vbuf; 3261 struct v4l2_buffer vbuf; 3262 struct v4l2_input vinp; 3263 3264 switch (args->cmd & 0xffff) { 3265 case LINUX_VIDIOC_RESERVED: 3266 case LINUX_VIDIOC_LOG_STATUS: 3267 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3268 return ENOIOCTL; 3269 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3270 break; 3271 3272 case LINUX_VIDIOC_OVERLAY: 3273 case LINUX_VIDIOC_STREAMON: 3274 case LINUX_VIDIOC_STREAMOFF: 3275 case LINUX_VIDIOC_S_STD: 3276 case LINUX_VIDIOC_S_TUNER: 3277 case LINUX_VIDIOC_S_AUDIO: 3278 case LINUX_VIDIOC_S_AUDOUT: 3279 case LINUX_VIDIOC_S_MODULATOR: 3280 case LINUX_VIDIOC_S_FREQUENCY: 3281 case LINUX_VIDIOC_S_CROP: 3282 case LINUX_VIDIOC_S_JPEGCOMP: 3283 case LINUX_VIDIOC_S_PRIORITY: 3284 case LINUX_VIDIOC_DBG_S_REGISTER: 3285 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3286 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3287 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3288 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3289 break; 3290 3291 case LINUX_VIDIOC_QUERYCAP: 3292 case LINUX_VIDIOC_G_STD: 3293 case LINUX_VIDIOC_G_AUDIO: 3294 case LINUX_VIDIOC_G_INPUT: 3295 case LINUX_VIDIOC_G_OUTPUT: 3296 case LINUX_VIDIOC_G_AUDOUT: 3297 case LINUX_VIDIOC_G_JPEGCOMP: 3298 case LINUX_VIDIOC_QUERYSTD: 3299 case LINUX_VIDIOC_G_PRIORITY: 3300 case LINUX_VIDIOC_QUERY_DV_PRESET: 3301 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3302 break; 3303 3304 case LINUX_VIDIOC_ENUM_FMT: 3305 case LINUX_VIDIOC_REQBUFS: 3306 case LINUX_VIDIOC_G_PARM: 3307 case LINUX_VIDIOC_S_PARM: 3308 case LINUX_VIDIOC_G_CTRL: 3309 case LINUX_VIDIOC_S_CTRL: 3310 case LINUX_VIDIOC_G_TUNER: 3311 case LINUX_VIDIOC_QUERYCTRL: 3312 case LINUX_VIDIOC_QUERYMENU: 3313 case LINUX_VIDIOC_S_INPUT: 3314 case LINUX_VIDIOC_S_OUTPUT: 3315 case LINUX_VIDIOC_ENUMOUTPUT: 3316 case LINUX_VIDIOC_G_MODULATOR: 3317 case LINUX_VIDIOC_G_FREQUENCY: 3318 case LINUX_VIDIOC_CROPCAP: 3319 case LINUX_VIDIOC_G_CROP: 3320 case LINUX_VIDIOC_ENUMAUDIO: 3321 case LINUX_VIDIOC_ENUMAUDOUT: 3322 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3323#ifdef VIDIOC_ENUM_FRAMESIZES 3324 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3325 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3326 case LINUX_VIDIOC_ENCODER_CMD: 3327 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3328#endif 3329 case LINUX_VIDIOC_DBG_G_REGISTER: 3330 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3331 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3332 case LINUX_VIDIOC_S_DV_PRESET: 3333 case LINUX_VIDIOC_G_DV_PRESET: 3334 case LINUX_VIDIOC_S_DV_TIMINGS: 3335 case LINUX_VIDIOC_G_DV_TIMINGS: 3336 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3337 break; 3338 3339 case LINUX_VIDIOC_G_FMT: 3340 case LINUX_VIDIOC_S_FMT: 3341 case LINUX_VIDIOC_TRY_FMT: 3342 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3343 if (error) 3344 return (error); 3345 error = fget(td, args->fd, 3346 cap_rights_init(&rights, CAP_IOCTL), &fp); 3347 if (error) 3348 return (error); 3349 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3350 error = EINVAL; 3351 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3352 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3353 td->td_ucred, td); 3354 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3355 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3356 td->td_ucred, td); 3357 else 3358 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3359 td->td_ucred, td); 3360 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3361 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3362 fdrop(fp, td); 3363 return (error); 3364 3365 case LINUX_VIDIOC_ENUMSTD: 3366 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3367 if (error) 3368 return (error); 3369 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3370 error = fget(td, args->fd, 3371 cap_rights_init(&rights, CAP_IOCTL), &fp); 3372 if (error) 3373 return (error); 3374 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3375 td->td_ucred, td); 3376 if (error) { 3377 fdrop(fp, td); 3378 return (error); 3379 } 3380 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3381 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3382 fdrop(fp, td); 3383 return (error); 3384 3385 case LINUX_VIDIOC_ENUMINPUT: 3386 /* 3387 * The Linux struct l_v4l2_input differs only in size, 3388 * it has no padding at the end. 3389 */ 3390 error = copyin((void *)args->arg, &vinp, 3391 sizeof(struct l_v4l2_input)); 3392 if (error != 0) 3393 return (error); 3394 error = fget(td, args->fd, 3395 cap_rights_init(&rights, CAP_IOCTL), &fp); 3396 if (error != 0) 3397 return (error); 3398 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3399 td->td_ucred, td); 3400 if (error) { 3401 fdrop(fp, td); 3402 return (error); 3403 } 3404 error = copyout(&vinp, (void *)args->arg, 3405 sizeof(struct l_v4l2_input)); 3406 fdrop(fp, td); 3407 return (error); 3408 3409 case LINUX_VIDIOC_QUERYBUF: 3410 case LINUX_VIDIOC_QBUF: 3411 case LINUX_VIDIOC_DQBUF: 3412 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3413 if (error) 3414 return (error); 3415 error = fget(td, args->fd, 3416 cap_rights_init(&rights, CAP_IOCTL), &fp); 3417 if (error) 3418 return (error); 3419 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3420 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3421 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3422 td->td_ucred, td); 3423 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3424 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3425 td->td_ucred, td); 3426 else 3427 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3428 td->td_ucred, td); 3429 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3430 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3431 fdrop(fp, td); 3432 return (error); 3433 3434 /* 3435 * XXX TODO - these need 32 -> 64 bit conversion: 3436 * (are any of them needed for webcams?) 3437 */ 3438 case LINUX_VIDIOC_G_FBUF: 3439 case LINUX_VIDIOC_S_FBUF: 3440 3441 case LINUX_VIDIOC_G_EXT_CTRLS: 3442 case LINUX_VIDIOC_S_EXT_CTRLS: 3443 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3444 3445 case LINUX_VIDIOC_DQEVENT: 3446 3447 default: return (ENOIOCTL); 3448 } 3449 3450 error = sys_ioctl(td, (struct ioctl_args *)args); 3451 return (error); 3452} 3453 3454/* 3455 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3456 * instead of USB* ones. This lets us to provide correct values for cmd. 3457 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3458 */ 3459static int 3460linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3461{ 3462 int error; 3463 3464 error = 0; 3465 switch (args->cmd) { 3466 case FBSD_LUSB_DEVICEENUMERATE: 3467 args->cmd = USB_DEVICEENUMERATE; 3468 break; 3469 case FBSD_LUSB_DEV_QUIRK_ADD: 3470 args->cmd = USB_DEV_QUIRK_ADD; 3471 break; 3472 case FBSD_LUSB_DEV_QUIRK_GET: 3473 args->cmd = USB_DEV_QUIRK_GET; 3474 break; 3475 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3476 args->cmd = USB_DEV_QUIRK_REMOVE; 3477 break; 3478 case FBSD_LUSB_DO_REQUEST: 3479 args->cmd = USB_DO_REQUEST; 3480 break; 3481 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3482 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3483 break; 3484 case FBSD_LUSB_FS_CLOSE: 3485 args->cmd = USB_FS_CLOSE; 3486 break; 3487 case FBSD_LUSB_FS_COMPLETE: 3488 args->cmd = USB_FS_COMPLETE; 3489 break; 3490 case FBSD_LUSB_FS_INIT: 3491 args->cmd = USB_FS_INIT; 3492 break; 3493 case FBSD_LUSB_FS_OPEN: 3494 args->cmd = USB_FS_OPEN; 3495 break; 3496 case FBSD_LUSB_FS_START: 3497 args->cmd = USB_FS_START; 3498 break; 3499 case FBSD_LUSB_FS_STOP: 3500 args->cmd = USB_FS_STOP; 3501 break; 3502 case FBSD_LUSB_FS_UNINIT: 3503 args->cmd = USB_FS_UNINIT; 3504 break; 3505 case FBSD_LUSB_GET_CONFIG: 3506 args->cmd = USB_GET_CONFIG; 3507 break; 3508 case FBSD_LUSB_GET_DEVICEINFO: 3509 args->cmd = USB_GET_DEVICEINFO; 3510 break; 3511 case FBSD_LUSB_GET_DEVICE_DESC: 3512 args->cmd = USB_GET_DEVICE_DESC; 3513 break; 3514 case FBSD_LUSB_GET_FULL_DESC: 3515 args->cmd = USB_GET_FULL_DESC; 3516 break; 3517 case FBSD_LUSB_GET_IFACE_DRIVER: 3518 args->cmd = USB_GET_IFACE_DRIVER; 3519 break; 3520 case FBSD_LUSB_GET_PLUGTIME: 3521 args->cmd = USB_GET_PLUGTIME; 3522 break; 3523 case FBSD_LUSB_GET_POWER_MODE: 3524 args->cmd = USB_GET_POWER_MODE; 3525 break; 3526 case FBSD_LUSB_GET_REPORT_DESC: 3527 args->cmd = USB_GET_REPORT_DESC; 3528 break; 3529 case FBSD_LUSB_GET_REPORT_ID: 3530 args->cmd = USB_GET_REPORT_ID; 3531 break; 3532 case FBSD_LUSB_GET_TEMPLATE: 3533 args->cmd = USB_GET_TEMPLATE; 3534 break; 3535 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3536 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3537 break; 3538 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3539 args->cmd = USB_IFACE_DRIVER_DETACH; 3540 break; 3541 case FBSD_LUSB_QUIRK_NAME_GET: 3542 args->cmd = USB_QUIRK_NAME_GET; 3543 break; 3544 case FBSD_LUSB_READ_DIR: 3545 args->cmd = USB_READ_DIR; 3546 break; 3547 case FBSD_LUSB_SET_ALTINTERFACE: 3548 args->cmd = USB_SET_ALTINTERFACE; 3549 break; 3550 case FBSD_LUSB_SET_CONFIG: 3551 args->cmd = USB_SET_CONFIG; 3552 break; 3553 case FBSD_LUSB_SET_IMMED: 3554 args->cmd = USB_SET_IMMED; 3555 break; 3556 case FBSD_LUSB_SET_POWER_MODE: 3557 args->cmd = USB_SET_POWER_MODE; 3558 break; 3559 case FBSD_LUSB_SET_TEMPLATE: 3560 args->cmd = USB_SET_TEMPLATE; 3561 break; 3562 case FBSD_LUSB_FS_OPEN_STREAM: 3563 args->cmd = USB_FS_OPEN_STREAM; 3564 break; 3565 case FBSD_LUSB_GET_DEV_PORT_PATH: 3566 args->cmd = USB_GET_DEV_PORT_PATH; 3567 break; 3568 case FBSD_LUSB_GET_POWER_USAGE: 3569 args->cmd = USB_GET_POWER_USAGE; 3570 break; 3571 default: 3572 error = ENOIOCTL; 3573 } 3574 if (error != ENOIOCTL) 3575 error = sys_ioctl(td, (struct ioctl_args *)args); 3576 return (error); 3577} 3578 3579/* 3580 * main ioctl syscall function 3581 */ 3582 3583int 3584linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3585{ 3586 cap_rights_t rights; 3587 struct file *fp; 3588 struct handler_element *he; 3589 int error, cmd; 3590 3591#ifdef DEBUG 3592 if (ldebug(ioctl)) 3593 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3594 (unsigned long)args->cmd); 3595#endif 3596 3597 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 3598 if (error != 0) 3599 return (error); 3600 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3601 fdrop(fp, td); 3602 return (EBADF); 3603 } 3604 3605 /* Iterate over the ioctl handlers */ 3606 cmd = args->cmd & 0xffff; 3607 sx_slock(&linux_ioctl_sx); 3608 mtx_lock(&Giant); 3609 TAILQ_FOREACH(he, &handlers, list) { 3610 if (cmd >= he->low && cmd <= he->high) { 3611 error = (*he->func)(td, args); 3612 if (error != ENOIOCTL) { 3613 mtx_unlock(&Giant); 3614 sx_sunlock(&linux_ioctl_sx); 3615 fdrop(fp, td); 3616 return (error); 3617 } 3618 } 3619 } 3620 mtx_unlock(&Giant); 3621 sx_sunlock(&linux_ioctl_sx); 3622 fdrop(fp, td); 3623 3624 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3625 args->fd, (int)(args->cmd & 0xffff), 3626 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3627 3628 return (EINVAL); 3629} 3630 3631int 3632linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3633{ 3634 struct handler_element *he, *cur; 3635 3636 if (h == NULL || h->func == NULL) 3637 return (EINVAL); 3638 3639 /* 3640 * Reuse the element if the handler is already on the list, otherwise 3641 * create a new element. 3642 */ 3643 sx_xlock(&linux_ioctl_sx); 3644 TAILQ_FOREACH(he, &handlers, list) { 3645 if (he->func == h->func) 3646 break; 3647 } 3648 if (he == NULL) { 3649 he = malloc(sizeof(*he), 3650 M_LINUX, M_WAITOK); 3651 he->func = h->func; 3652 } else 3653 TAILQ_REMOVE(&handlers, he, list); 3654 3655 /* Initialize range information. */ 3656 he->low = h->low; 3657 he->high = h->high; 3658 he->span = h->high - h->low + 1; 3659 3660 /* Add the element to the list, sorted on span. */ 3661 TAILQ_FOREACH(cur, &handlers, list) { 3662 if (cur->span > he->span) { 3663 TAILQ_INSERT_BEFORE(cur, he, list); 3664 sx_xunlock(&linux_ioctl_sx); 3665 return (0); 3666 } 3667 } 3668 TAILQ_INSERT_TAIL(&handlers, he, list); 3669 sx_xunlock(&linux_ioctl_sx); 3670 3671 return (0); 3672} 3673 3674int 3675linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3676{ 3677 struct handler_element *he; 3678 3679 if (h == NULL || h->func == NULL) 3680 return (EINVAL); 3681 3682 sx_xlock(&linux_ioctl_sx); 3683 TAILQ_FOREACH(he, &handlers, list) { 3684 if (he->func == h->func) { 3685 TAILQ_REMOVE(&handlers, he, list); 3686 sx_xunlock(&linux_ioctl_sx); 3687 free(he, M_LINUX); 3688 return (0); 3689 } 3690 } 3691 sx_xunlock(&linux_ioctl_sx); 3692 3693 return (EINVAL); 3694} 3695