linux_ioctl.c revision 293596
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 293596 2016-01-09 18:03:09Z dchagin $"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/sysproto.h> 37#include <sys/capsicum.h> 38#include <sys/cdio.h> 39#include <sys/dvdio.h> 40#include <sys/conf.h> 41#include <sys/disk.h> 42#include <sys/consio.h> 43#include <sys/ctype.h> 44#include <sys/fcntl.h> 45#include <sys/file.h> 46#include <sys/filedesc.h> 47#include <sys/filio.h> 48#include <sys/jail.h> 49#include <sys/kbio.h> 50#include <sys/kernel.h> 51#include <sys/linker_set.h> 52#include <sys/lock.h> 53#include <sys/malloc.h> 54#include <sys/proc.h> 55#include <sys/sbuf.h> 56#include <sys/socket.h> 57#include <sys/sockio.h> 58#include <sys/soundcard.h> 59#include <sys/stdint.h> 60#include <sys/sx.h> 61#include <sys/sysctl.h> 62#include <sys/tty.h> 63#include <sys/uio.h> 64#include <sys/types.h> 65#include <sys/mman.h> 66#include <sys/resourcevar.h> 67 68#include <net/if.h> 69#include <net/if_dl.h> 70#include <net/if_types.h> 71 72#include <dev/usb/usb_ioctl.h> 73 74#ifdef COMPAT_LINUX32 75#include <machine/../linux32/linux.h> 76#include <machine/../linux32/linux32_proto.h> 77#else 78#include <machine/../linux/linux.h> 79#include <machine/../linux/linux_proto.h> 80#endif 81 82#include <compat/linux/linux_ioctl.h> 83#include <compat/linux/linux_mib.h> 84#include <compat/linux/linux_socket.h> 85#include <compat/linux/linux_util.h> 86 87#include <contrib/v4l/videodev.h> 88#include <compat/linux/linux_videodev_compat.h> 89 90#include <contrib/v4l/videodev2.h> 91#include <compat/linux/linux_videodev2_compat.h> 92 93#include <cam/scsi/scsi_sg.h> 94 95CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); 96 97static linux_ioctl_function_t linux_ioctl_cdrom; 98static linux_ioctl_function_t linux_ioctl_vfat; 99static linux_ioctl_function_t linux_ioctl_console; 100static linux_ioctl_function_t linux_ioctl_hdio; 101static linux_ioctl_function_t linux_ioctl_disk; 102static linux_ioctl_function_t linux_ioctl_socket; 103static linux_ioctl_function_t linux_ioctl_sound; 104static linux_ioctl_function_t linux_ioctl_termio; 105static linux_ioctl_function_t linux_ioctl_private; 106static linux_ioctl_function_t linux_ioctl_drm; 107static linux_ioctl_function_t linux_ioctl_sg; 108static linux_ioctl_function_t linux_ioctl_v4l; 109static linux_ioctl_function_t linux_ioctl_v4l2; 110static linux_ioctl_function_t linux_ioctl_special; 111static linux_ioctl_function_t linux_ioctl_fbsd_usb; 112 113static struct linux_ioctl_handler cdrom_handler = 114{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; 115static struct linux_ioctl_handler vfat_handler = 116{ linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; 117static struct linux_ioctl_handler console_handler = 118{ linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; 119static struct linux_ioctl_handler hdio_handler = 120{ linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; 121static struct linux_ioctl_handler disk_handler = 122{ linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; 123static struct linux_ioctl_handler socket_handler = 124{ linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; 125static struct linux_ioctl_handler sound_handler = 126{ linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; 127static struct linux_ioctl_handler termio_handler = 128{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; 129static struct linux_ioctl_handler private_handler = 130{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; 131static struct linux_ioctl_handler drm_handler = 132{ linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; 133static struct linux_ioctl_handler sg_handler = 134{ linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; 135static struct linux_ioctl_handler video_handler = 136{ linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; 137static struct linux_ioctl_handler video2_handler = 138{ linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; 139static struct linux_ioctl_handler fbsd_usb = 140{ linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; 141 142DATA_SET(linux_ioctl_handler_set, cdrom_handler); 143DATA_SET(linux_ioctl_handler_set, vfat_handler); 144DATA_SET(linux_ioctl_handler_set, console_handler); 145DATA_SET(linux_ioctl_handler_set, hdio_handler); 146DATA_SET(linux_ioctl_handler_set, disk_handler); 147DATA_SET(linux_ioctl_handler_set, socket_handler); 148DATA_SET(linux_ioctl_handler_set, sound_handler); 149DATA_SET(linux_ioctl_handler_set, termio_handler); 150DATA_SET(linux_ioctl_handler_set, private_handler); 151DATA_SET(linux_ioctl_handler_set, drm_handler); 152DATA_SET(linux_ioctl_handler_set, sg_handler); 153DATA_SET(linux_ioctl_handler_set, video_handler); 154DATA_SET(linux_ioctl_handler_set, video2_handler); 155DATA_SET(linux_ioctl_handler_set, fbsd_usb); 156 157struct handler_element 158{ 159 TAILQ_ENTRY(handler_element) list; 160 int (*func)(struct thread *, struct linux_ioctl_args *); 161 int low, high, span; 162}; 163 164static TAILQ_HEAD(, handler_element) handlers = 165 TAILQ_HEAD_INITIALIZER(handlers); 166static struct sx linux_ioctl_sx; 167SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); 168 169/* 170 * hdio related ioctls for VMWare support 171 */ 172 173struct linux_hd_geometry { 174 u_int8_t heads; 175 u_int8_t sectors; 176 u_int16_t cylinders; 177 u_int32_t start; 178}; 179 180struct linux_hd_big_geometry { 181 u_int8_t heads; 182 u_int8_t sectors; 183 u_int32_t cylinders; 184 u_int32_t start; 185}; 186 187static int 188linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) 189{ 190 cap_rights_t rights; 191 struct file *fp; 192 int error; 193 u_int sectorsize, fwcylinders, fwheads, fwsectors; 194 off_t mediasize, bytespercyl; 195 196 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 197 if (error != 0) 198 return (error); 199 switch (args->cmd & 0xffff) { 200 case LINUX_HDIO_GET_GEO: 201 case LINUX_HDIO_GET_GEO_BIG: 202 error = fo_ioctl(fp, DIOCGMEDIASIZE, 203 (caddr_t)&mediasize, td->td_ucred, td); 204 if (!error) 205 error = fo_ioctl(fp, DIOCGSECTORSIZE, 206 (caddr_t)§orsize, td->td_ucred, td); 207 if (!error) 208 error = fo_ioctl(fp, DIOCGFWHEADS, 209 (caddr_t)&fwheads, td->td_ucred, td); 210 if (!error) 211 error = fo_ioctl(fp, DIOCGFWSECTORS, 212 (caddr_t)&fwsectors, td->td_ucred, td); 213 /* 214 * XXX: DIOCGFIRSTOFFSET is not yet implemented, so 215 * so pretend that GEOM always says 0. This is NOT VALID 216 * for slices or partitions, only the per-disk raw devices. 217 */ 218 219 fdrop(fp, td); 220 if (error) 221 return (error); 222 /* 223 * 1. Calculate the number of bytes in a cylinder, 224 * given the firmware's notion of heads and sectors 225 * per cylinder. 226 * 2. Calculate the number of cylinders, given the total 227 * size of the media. 228 * All internal calculations should have 64-bit precision. 229 */ 230 bytespercyl = (off_t) sectorsize * fwheads * fwsectors; 231 fwcylinders = mediasize / bytespercyl; 232#if defined(DEBUG) 233 linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " 234 "bpc %jd", 235 (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, 236 (intmax_t)bytespercyl); 237#endif 238 if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { 239 struct linux_hd_geometry hdg; 240 241 hdg.cylinders = fwcylinders; 242 hdg.heads = fwheads; 243 hdg.sectors = fwsectors; 244 hdg.start = 0; 245 error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); 246 } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { 247 struct linux_hd_big_geometry hdbg; 248 249 hdbg.cylinders = fwcylinders; 250 hdbg.heads = fwheads; 251 hdbg.sectors = fwsectors; 252 hdbg.start = 0; 253 error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); 254 } 255 return (error); 256 break; 257 default: 258 /* XXX */ 259 linux_msg(td, 260 "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 261 args->fd, (int)(args->cmd & 0xffff), 262 (int)(args->cmd & 0xff00) >> 8, 263 (int)(args->cmd & 0xff)); 264 break; 265 } 266 fdrop(fp, td); 267 return (ENOIOCTL); 268} 269 270static int 271linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) 272{ 273 cap_rights_t rights; 274 struct file *fp; 275 int error; 276 u_int sectorsize; 277 off_t mediasize; 278 279 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 280 if (error != 0) 281 return (error); 282 switch (args->cmd & 0xffff) { 283 case LINUX_BLKGETSIZE: 284 error = fo_ioctl(fp, DIOCGSECTORSIZE, 285 (caddr_t)§orsize, td->td_ucred, td); 286 if (!error) 287 error = fo_ioctl(fp, DIOCGMEDIASIZE, 288 (caddr_t)&mediasize, td->td_ucred, td); 289 fdrop(fp, td); 290 if (error) 291 return (error); 292 sectorsize = mediasize / sectorsize; 293 /* 294 * XXX: How do we know we return the right size of integer ? 295 */ 296 return (copyout(§orsize, (void *)args->arg, 297 sizeof(sectorsize))); 298 break; 299 } 300 fdrop(fp, td); 301 return (ENOIOCTL); 302} 303 304/* 305 * termio related ioctls 306 */ 307 308struct linux_termio { 309 unsigned short c_iflag; 310 unsigned short c_oflag; 311 unsigned short c_cflag; 312 unsigned short c_lflag; 313 unsigned char c_line; 314 unsigned char c_cc[LINUX_NCC]; 315}; 316 317struct linux_termios { 318 unsigned int c_iflag; 319 unsigned int c_oflag; 320 unsigned int c_cflag; 321 unsigned int c_lflag; 322 unsigned char c_line; 323 unsigned char c_cc[LINUX_NCCS]; 324}; 325 326struct linux_winsize { 327 unsigned short ws_row, ws_col; 328 unsigned short ws_xpixel, ws_ypixel; 329}; 330 331struct speedtab { 332 int sp_speed; /* Speed. */ 333 int sp_code; /* Code. */ 334}; 335 336static struct speedtab sptab[] = { 337 { B0, LINUX_B0 }, { B50, LINUX_B50 }, 338 { B75, LINUX_B75 }, { B110, LINUX_B110 }, 339 { B134, LINUX_B134 }, { B150, LINUX_B150 }, 340 { B200, LINUX_B200 }, { B300, LINUX_B300 }, 341 { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, 342 { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, 343 { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, 344 { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, 345 { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, 346 {-1, -1 } 347}; 348 349struct linux_serial_struct { 350 int type; 351 int line; 352 int port; 353 int irq; 354 int flags; 355 int xmit_fifo_size; 356 int custom_divisor; 357 int baud_base; 358 unsigned short close_delay; 359 char reserved_char[2]; 360 int hub6; 361 unsigned short closing_wait; 362 unsigned short closing_wait2; 363 int reserved[4]; 364}; 365 366static int 367linux_to_bsd_speed(int code, struct speedtab *table) 368{ 369 for ( ; table->sp_code != -1; table++) 370 if (table->sp_code == code) 371 return (table->sp_speed); 372 return -1; 373} 374 375static int 376bsd_to_linux_speed(int speed, struct speedtab *table) 377{ 378 for ( ; table->sp_speed != -1; table++) 379 if (table->sp_speed == speed) 380 return (table->sp_code); 381 return -1; 382} 383 384static void 385bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) 386{ 387 int i; 388 389#ifdef DEBUG 390 if (ldebug(ioctl)) { 391 printf("LINUX: BSD termios structure (input):\n"); 392 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 393 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 394 bios->c_ispeed, bios->c_ospeed); 395 printf("c_cc "); 396 for (i=0; i<NCCS; i++) 397 printf("%02x ", bios->c_cc[i]); 398 printf("\n"); 399 } 400#endif 401 402 lios->c_iflag = 0; 403 if (bios->c_iflag & IGNBRK) 404 lios->c_iflag |= LINUX_IGNBRK; 405 if (bios->c_iflag & BRKINT) 406 lios->c_iflag |= LINUX_BRKINT; 407 if (bios->c_iflag & IGNPAR) 408 lios->c_iflag |= LINUX_IGNPAR; 409 if (bios->c_iflag & PARMRK) 410 lios->c_iflag |= LINUX_PARMRK; 411 if (bios->c_iflag & INPCK) 412 lios->c_iflag |= LINUX_INPCK; 413 if (bios->c_iflag & ISTRIP) 414 lios->c_iflag |= LINUX_ISTRIP; 415 if (bios->c_iflag & INLCR) 416 lios->c_iflag |= LINUX_INLCR; 417 if (bios->c_iflag & IGNCR) 418 lios->c_iflag |= LINUX_IGNCR; 419 if (bios->c_iflag & ICRNL) 420 lios->c_iflag |= LINUX_ICRNL; 421 if (bios->c_iflag & IXON) 422 lios->c_iflag |= LINUX_IXON; 423 if (bios->c_iflag & IXANY) 424 lios->c_iflag |= LINUX_IXANY; 425 if (bios->c_iflag & IXOFF) 426 lios->c_iflag |= LINUX_IXOFF; 427 if (bios->c_iflag & IMAXBEL) 428 lios->c_iflag |= LINUX_IMAXBEL; 429 430 lios->c_oflag = 0; 431 if (bios->c_oflag & OPOST) 432 lios->c_oflag |= LINUX_OPOST; 433 if (bios->c_oflag & ONLCR) 434 lios->c_oflag |= LINUX_ONLCR; 435 if (bios->c_oflag & TAB3) 436 lios->c_oflag |= LINUX_XTABS; 437 438 lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); 439 lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; 440 if (bios->c_cflag & CSTOPB) 441 lios->c_cflag |= LINUX_CSTOPB; 442 if (bios->c_cflag & CREAD) 443 lios->c_cflag |= LINUX_CREAD; 444 if (bios->c_cflag & PARENB) 445 lios->c_cflag |= LINUX_PARENB; 446 if (bios->c_cflag & PARODD) 447 lios->c_cflag |= LINUX_PARODD; 448 if (bios->c_cflag & HUPCL) 449 lios->c_cflag |= LINUX_HUPCL; 450 if (bios->c_cflag & CLOCAL) 451 lios->c_cflag |= LINUX_CLOCAL; 452 if (bios->c_cflag & CRTSCTS) 453 lios->c_cflag |= LINUX_CRTSCTS; 454 455 lios->c_lflag = 0; 456 if (bios->c_lflag & ISIG) 457 lios->c_lflag |= LINUX_ISIG; 458 if (bios->c_lflag & ICANON) 459 lios->c_lflag |= LINUX_ICANON; 460 if (bios->c_lflag & ECHO) 461 lios->c_lflag |= LINUX_ECHO; 462 if (bios->c_lflag & ECHOE) 463 lios->c_lflag |= LINUX_ECHOE; 464 if (bios->c_lflag & ECHOK) 465 lios->c_lflag |= LINUX_ECHOK; 466 if (bios->c_lflag & ECHONL) 467 lios->c_lflag |= LINUX_ECHONL; 468 if (bios->c_lflag & NOFLSH) 469 lios->c_lflag |= LINUX_NOFLSH; 470 if (bios->c_lflag & TOSTOP) 471 lios->c_lflag |= LINUX_TOSTOP; 472 if (bios->c_lflag & ECHOCTL) 473 lios->c_lflag |= LINUX_ECHOCTL; 474 if (bios->c_lflag & ECHOPRT) 475 lios->c_lflag |= LINUX_ECHOPRT; 476 if (bios->c_lflag & ECHOKE) 477 lios->c_lflag |= LINUX_ECHOKE; 478 if (bios->c_lflag & FLUSHO) 479 lios->c_lflag |= LINUX_FLUSHO; 480 if (bios->c_lflag & PENDIN) 481 lios->c_lflag |= LINUX_PENDIN; 482 if (bios->c_lflag & IEXTEN) 483 lios->c_lflag |= LINUX_IEXTEN; 484 485 for (i=0; i<LINUX_NCCS; i++) 486 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 487 lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; 488 lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; 489 lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; 490 lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; 491 lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; 492 lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; 493 lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; 494 lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; 495 lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; 496 lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; 497 lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; 498 lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; 499 lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; 500 lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; 501 lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; 502 lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; 503 504 for (i=0; i<LINUX_NCCS; i++) { 505 if (i != LINUX_VMIN && i != LINUX_VTIME && 506 lios->c_cc[i] == _POSIX_VDISABLE) 507 lios->c_cc[i] = LINUX_POSIX_VDISABLE; 508 } 509 lios->c_line = 0; 510 511#ifdef DEBUG 512 if (ldebug(ioctl)) { 513 printf("LINUX: LINUX termios structure (output):\n"); 514 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 515 lios->c_iflag, lios->c_oflag, lios->c_cflag, 516 lios->c_lflag, (int)lios->c_line); 517 printf("c_cc "); 518 for (i=0; i<LINUX_NCCS; i++) 519 printf("%02x ", lios->c_cc[i]); 520 printf("\n"); 521 } 522#endif 523} 524 525static void 526linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) 527{ 528 int i; 529 530#ifdef DEBUG 531 if (ldebug(ioctl)) { 532 printf("LINUX: LINUX termios structure (input):\n"); 533 printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", 534 lios->c_iflag, lios->c_oflag, lios->c_cflag, 535 lios->c_lflag, (int)lios->c_line); 536 printf("c_cc "); 537 for (i=0; i<LINUX_NCCS; i++) 538 printf("%02x ", lios->c_cc[i]); 539 printf("\n"); 540 } 541#endif 542 543 bios->c_iflag = 0; 544 if (lios->c_iflag & LINUX_IGNBRK) 545 bios->c_iflag |= IGNBRK; 546 if (lios->c_iflag & LINUX_BRKINT) 547 bios->c_iflag |= BRKINT; 548 if (lios->c_iflag & LINUX_IGNPAR) 549 bios->c_iflag |= IGNPAR; 550 if (lios->c_iflag & LINUX_PARMRK) 551 bios->c_iflag |= PARMRK; 552 if (lios->c_iflag & LINUX_INPCK) 553 bios->c_iflag |= INPCK; 554 if (lios->c_iflag & LINUX_ISTRIP) 555 bios->c_iflag |= ISTRIP; 556 if (lios->c_iflag & LINUX_INLCR) 557 bios->c_iflag |= INLCR; 558 if (lios->c_iflag & LINUX_IGNCR) 559 bios->c_iflag |= IGNCR; 560 if (lios->c_iflag & LINUX_ICRNL) 561 bios->c_iflag |= ICRNL; 562 if (lios->c_iflag & LINUX_IXON) 563 bios->c_iflag |= IXON; 564 if (lios->c_iflag & LINUX_IXANY) 565 bios->c_iflag |= IXANY; 566 if (lios->c_iflag & LINUX_IXOFF) 567 bios->c_iflag |= IXOFF; 568 if (lios->c_iflag & LINUX_IMAXBEL) 569 bios->c_iflag |= IMAXBEL; 570 571 bios->c_oflag = 0; 572 if (lios->c_oflag & LINUX_OPOST) 573 bios->c_oflag |= OPOST; 574 if (lios->c_oflag & LINUX_ONLCR) 575 bios->c_oflag |= ONLCR; 576 if (lios->c_oflag & LINUX_XTABS) 577 bios->c_oflag |= TAB3; 578 579 bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; 580 if (lios->c_cflag & LINUX_CSTOPB) 581 bios->c_cflag |= CSTOPB; 582 if (lios->c_cflag & LINUX_CREAD) 583 bios->c_cflag |= CREAD; 584 if (lios->c_cflag & LINUX_PARENB) 585 bios->c_cflag |= PARENB; 586 if (lios->c_cflag & LINUX_PARODD) 587 bios->c_cflag |= PARODD; 588 if (lios->c_cflag & LINUX_HUPCL) 589 bios->c_cflag |= HUPCL; 590 if (lios->c_cflag & LINUX_CLOCAL) 591 bios->c_cflag |= CLOCAL; 592 if (lios->c_cflag & LINUX_CRTSCTS) 593 bios->c_cflag |= CRTSCTS; 594 595 bios->c_lflag = 0; 596 if (lios->c_lflag & LINUX_ISIG) 597 bios->c_lflag |= ISIG; 598 if (lios->c_lflag & LINUX_ICANON) 599 bios->c_lflag |= ICANON; 600 if (lios->c_lflag & LINUX_ECHO) 601 bios->c_lflag |= ECHO; 602 if (lios->c_lflag & LINUX_ECHOE) 603 bios->c_lflag |= ECHOE; 604 if (lios->c_lflag & LINUX_ECHOK) 605 bios->c_lflag |= ECHOK; 606 if (lios->c_lflag & LINUX_ECHONL) 607 bios->c_lflag |= ECHONL; 608 if (lios->c_lflag & LINUX_NOFLSH) 609 bios->c_lflag |= NOFLSH; 610 if (lios->c_lflag & LINUX_TOSTOP) 611 bios->c_lflag |= TOSTOP; 612 if (lios->c_lflag & LINUX_ECHOCTL) 613 bios->c_lflag |= ECHOCTL; 614 if (lios->c_lflag & LINUX_ECHOPRT) 615 bios->c_lflag |= ECHOPRT; 616 if (lios->c_lflag & LINUX_ECHOKE) 617 bios->c_lflag |= ECHOKE; 618 if (lios->c_lflag & LINUX_FLUSHO) 619 bios->c_lflag |= FLUSHO; 620 if (lios->c_lflag & LINUX_PENDIN) 621 bios->c_lflag |= PENDIN; 622 if (lios->c_lflag & LINUX_IEXTEN) 623 bios->c_lflag |= IEXTEN; 624 625 for (i=0; i<NCCS; i++) 626 bios->c_cc[i] = _POSIX_VDISABLE; 627 bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; 628 bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; 629 bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; 630 bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; 631 bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; 632 bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; 633 bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; 634 bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; 635 bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; 636 bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; 637 bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; 638 bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; 639 bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; 640 bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; 641 bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; 642 bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; 643 644 for (i=0; i<NCCS; i++) { 645 if (i != VMIN && i != VTIME && 646 bios->c_cc[i] == LINUX_POSIX_VDISABLE) 647 bios->c_cc[i] = _POSIX_VDISABLE; 648 } 649 650 bios->c_ispeed = bios->c_ospeed = 651 linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); 652 653#ifdef DEBUG 654 if (ldebug(ioctl)) { 655 printf("LINUX: BSD termios structure (output):\n"); 656 printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", 657 bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, 658 bios->c_ispeed, bios->c_ospeed); 659 printf("c_cc "); 660 for (i=0; i<NCCS; i++) 661 printf("%02x ", bios->c_cc[i]); 662 printf("\n"); 663 } 664#endif 665} 666 667static void 668bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) 669{ 670 struct linux_termios lios; 671 672 bsd_to_linux_termios(bios, &lios); 673 lio->c_iflag = lios.c_iflag; 674 lio->c_oflag = lios.c_oflag; 675 lio->c_cflag = lios.c_cflag; 676 lio->c_lflag = lios.c_lflag; 677 lio->c_line = lios.c_line; 678 memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); 679} 680 681static void 682linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) 683{ 684 struct linux_termios lios; 685 int i; 686 687 lios.c_iflag = lio->c_iflag; 688 lios.c_oflag = lio->c_oflag; 689 lios.c_cflag = lio->c_cflag; 690 lios.c_lflag = lio->c_lflag; 691 for (i=LINUX_NCC; i<LINUX_NCCS; i++) 692 lios.c_cc[i] = LINUX_POSIX_VDISABLE; 693 memcpy(lios.c_cc, lio->c_cc, LINUX_NCC); 694 linux_to_bsd_termios(&lios, bios); 695} 696 697static int 698linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) 699{ 700 struct termios bios; 701 struct linux_termios lios; 702 struct linux_termio lio; 703 cap_rights_t rights; 704 struct file *fp; 705 int error; 706 707 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 708 if (error != 0) 709 return (error); 710 711 switch (args->cmd & 0xffff) { 712 713 case LINUX_TCGETS: 714 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 715 td); 716 if (error) 717 break; 718 bsd_to_linux_termios(&bios, &lios); 719 error = copyout(&lios, (void *)args->arg, sizeof(lios)); 720 break; 721 722 case LINUX_TCSETS: 723 error = copyin((void *)args->arg, &lios, sizeof(lios)); 724 if (error) 725 break; 726 linux_to_bsd_termios(&lios, &bios); 727 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 728 td)); 729 break; 730 731 case LINUX_TCSETSW: 732 error = copyin((void *)args->arg, &lios, sizeof(lios)); 733 if (error) 734 break; 735 linux_to_bsd_termios(&lios, &bios); 736 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 737 td)); 738 break; 739 740 case LINUX_TCSETSF: 741 error = copyin((void *)args->arg, &lios, sizeof(lios)); 742 if (error) 743 break; 744 linux_to_bsd_termios(&lios, &bios); 745 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 746 td)); 747 break; 748 749 case LINUX_TCGETA: 750 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, 751 td); 752 if (error) 753 break; 754 bsd_to_linux_termio(&bios, &lio); 755 error = (copyout(&lio, (void *)args->arg, sizeof(lio))); 756 break; 757 758 case LINUX_TCSETA: 759 error = copyin((void *)args->arg, &lio, sizeof(lio)); 760 if (error) 761 break; 762 linux_to_bsd_termio(&lio, &bios); 763 error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, 764 td)); 765 break; 766 767 case LINUX_TCSETAW: 768 error = copyin((void *)args->arg, &lio, sizeof(lio)); 769 if (error) 770 break; 771 linux_to_bsd_termio(&lio, &bios); 772 error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, 773 td)); 774 break; 775 776 case LINUX_TCSETAF: 777 error = copyin((void *)args->arg, &lio, sizeof(lio)); 778 if (error) 779 break; 780 linux_to_bsd_termio(&lio, &bios); 781 error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, 782 td)); 783 break; 784 785 /* LINUX_TCSBRK */ 786 787 case LINUX_TCXONC: { 788 switch (args->arg) { 789 case LINUX_TCOOFF: 790 args->cmd = TIOCSTOP; 791 break; 792 case LINUX_TCOON: 793 args->cmd = TIOCSTART; 794 break; 795 case LINUX_TCIOFF: 796 case LINUX_TCION: { 797 int c; 798 struct write_args wr; 799 error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, 800 td->td_ucred, td); 801 if (error) 802 break; 803 fdrop(fp, td); 804 c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; 805 c = bios.c_cc[c]; 806 if (c != _POSIX_VDISABLE) { 807 wr.fd = args->fd; 808 wr.buf = &c; 809 wr.nbyte = sizeof(c); 810 return (sys_write(td, &wr)); 811 } else 812 return (0); 813 } 814 default: 815 fdrop(fp, td); 816 return (EINVAL); 817 } 818 args->arg = 0; 819 error = (sys_ioctl(td, (struct ioctl_args *)args)); 820 break; 821 } 822 823 case LINUX_TCFLSH: { 824 int val; 825 switch (args->arg) { 826 case LINUX_TCIFLUSH: 827 val = FREAD; 828 break; 829 case LINUX_TCOFLUSH: 830 val = FWRITE; 831 break; 832 case LINUX_TCIOFLUSH: 833 val = FREAD | FWRITE; 834 break; 835 default: 836 fdrop(fp, td); 837 return (EINVAL); 838 } 839 error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); 840 break; 841 } 842 843 case LINUX_TIOCEXCL: 844 args->cmd = TIOCEXCL; 845 error = (sys_ioctl(td, (struct ioctl_args *)args)); 846 break; 847 848 case LINUX_TIOCNXCL: 849 args->cmd = TIOCNXCL; 850 error = (sys_ioctl(td, (struct ioctl_args *)args)); 851 break; 852 853 case LINUX_TIOCSCTTY: 854 args->cmd = TIOCSCTTY; 855 error = (sys_ioctl(td, (struct ioctl_args *)args)); 856 break; 857 858 case LINUX_TIOCGPGRP: 859 args->cmd = TIOCGPGRP; 860 error = (sys_ioctl(td, (struct ioctl_args *)args)); 861 break; 862 863 case LINUX_TIOCSPGRP: 864 args->cmd = TIOCSPGRP; 865 error = (sys_ioctl(td, (struct ioctl_args *)args)); 866 break; 867 868 /* LINUX_TIOCOUTQ */ 869 /* LINUX_TIOCSTI */ 870 871 case LINUX_TIOCGWINSZ: 872 args->cmd = TIOCGWINSZ; 873 error = (sys_ioctl(td, (struct ioctl_args *)args)); 874 break; 875 876 case LINUX_TIOCSWINSZ: 877 args->cmd = TIOCSWINSZ; 878 error = (sys_ioctl(td, (struct ioctl_args *)args)); 879 break; 880 881 case LINUX_TIOCMGET: 882 args->cmd = TIOCMGET; 883 error = (sys_ioctl(td, (struct ioctl_args *)args)); 884 break; 885 886 case LINUX_TIOCMBIS: 887 args->cmd = TIOCMBIS; 888 error = (sys_ioctl(td, (struct ioctl_args *)args)); 889 break; 890 891 case LINUX_TIOCMBIC: 892 args->cmd = TIOCMBIC; 893 error = (sys_ioctl(td, (struct ioctl_args *)args)); 894 break; 895 896 case LINUX_TIOCMSET: 897 args->cmd = TIOCMSET; 898 error = (sys_ioctl(td, (struct ioctl_args *)args)); 899 break; 900 901 /* TIOCGSOFTCAR */ 902 /* TIOCSSOFTCAR */ 903 904 case LINUX_FIONREAD: /* LINUX_TIOCINQ */ 905 args->cmd = FIONREAD; 906 error = (sys_ioctl(td, (struct ioctl_args *)args)); 907 break; 908 909 /* LINUX_TIOCLINUX */ 910 911 case LINUX_TIOCCONS: 912 args->cmd = TIOCCONS; 913 error = (sys_ioctl(td, (struct ioctl_args *)args)); 914 break; 915 916 case LINUX_TIOCGSERIAL: { 917 struct linux_serial_struct lss; 918 lss.type = LINUX_PORT_16550A; 919 lss.flags = 0; 920 lss.close_delay = 0; 921 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 922 break; 923 } 924 925 case LINUX_TIOCSSERIAL: { 926 struct linux_serial_struct lss; 927 error = copyin((void *)args->arg, &lss, sizeof(lss)); 928 if (error) 929 break; 930 /* XXX - It really helps to have an implementation that 931 * does nothing. NOT! 932 */ 933 error = 0; 934 break; 935 } 936 937 case LINUX_TIOCPKT: 938 args->cmd = TIOCPKT; 939 error = (sys_ioctl(td, (struct ioctl_args *)args)); 940 break; 941 942 case LINUX_FIONBIO: 943 args->cmd = FIONBIO; 944 error = (sys_ioctl(td, (struct ioctl_args *)args)); 945 break; 946 947 case LINUX_TIOCNOTTY: 948 args->cmd = TIOCNOTTY; 949 error = (sys_ioctl(td, (struct ioctl_args *)args)); 950 break; 951 952 case LINUX_TIOCSETD: { 953 int line; 954 switch (args->arg) { 955 case LINUX_N_TTY: 956 line = TTYDISC; 957 break; 958 case LINUX_N_SLIP: 959 line = SLIPDISC; 960 break; 961 case LINUX_N_PPP: 962 line = PPPDISC; 963 break; 964 default: 965 fdrop(fp, td); 966 return (EINVAL); 967 } 968 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 969 td)); 970 break; 971 } 972 973 case LINUX_TIOCGETD: { 974 int linux_line; 975 int bsd_line = TTYDISC; 976 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 977 td->td_ucred, td); 978 if (error) 979 return (error); 980 switch (bsd_line) { 981 case TTYDISC: 982 linux_line = LINUX_N_TTY; 983 break; 984 case SLIPDISC: 985 linux_line = LINUX_N_SLIP; 986 break; 987 case PPPDISC: 988 linux_line = LINUX_N_PPP; 989 break; 990 default: 991 fdrop(fp, td); 992 return (EINVAL); 993 } 994 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 995 break; 996 } 997 998 /* LINUX_TCSBRKP */ 999 /* LINUX_TIOCTTYGSTRUCT */ 1000 1001 case LINUX_FIONCLEX: 1002 args->cmd = FIONCLEX; 1003 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1004 break; 1005 1006 case LINUX_FIOCLEX: 1007 args->cmd = FIOCLEX; 1008 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1009 break; 1010 1011 case LINUX_FIOASYNC: 1012 args->cmd = FIOASYNC; 1013 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1014 break; 1015 1016 /* LINUX_TIOCSERCONFIG */ 1017 /* LINUX_TIOCSERGWILD */ 1018 /* LINUX_TIOCSERSWILD */ 1019 /* LINUX_TIOCGLCKTRMIOS */ 1020 /* LINUX_TIOCSLCKTRMIOS */ 1021 1022 case LINUX_TIOCSBRK: 1023 args->cmd = TIOCSBRK; 1024 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1025 break; 1026 1027 case LINUX_TIOCCBRK: 1028 args->cmd = TIOCCBRK; 1029 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1030 break; 1031 case LINUX_TIOCGPTN: { 1032 int nb; 1033 1034 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1035 if (!error) 1036 error = copyout(&nb, (void *)args->arg, 1037 sizeof(int)); 1038 break; 1039 } 1040 case LINUX_TIOCSPTLCK: 1041 /* Our unlockpt() does nothing. */ 1042 error = 0; 1043 break; 1044 default: 1045 error = ENOIOCTL; 1046 break; 1047 } 1048 1049 fdrop(fp, td); 1050 return (error); 1051} 1052 1053/* 1054 * CDROM related ioctls 1055 */ 1056 1057struct linux_cdrom_msf 1058{ 1059 u_char cdmsf_min0; 1060 u_char cdmsf_sec0; 1061 u_char cdmsf_frame0; 1062 u_char cdmsf_min1; 1063 u_char cdmsf_sec1; 1064 u_char cdmsf_frame1; 1065}; 1066 1067struct linux_cdrom_tochdr 1068{ 1069 u_char cdth_trk0; 1070 u_char cdth_trk1; 1071}; 1072 1073union linux_cdrom_addr 1074{ 1075 struct { 1076 u_char minute; 1077 u_char second; 1078 u_char frame; 1079 } msf; 1080 int lba; 1081}; 1082 1083struct linux_cdrom_tocentry 1084{ 1085 u_char cdte_track; 1086 u_char cdte_adr:4; 1087 u_char cdte_ctrl:4; 1088 u_char cdte_format; 1089 union linux_cdrom_addr cdte_addr; 1090 u_char cdte_datamode; 1091}; 1092 1093struct linux_cdrom_subchnl 1094{ 1095 u_char cdsc_format; 1096 u_char cdsc_audiostatus; 1097 u_char cdsc_adr:4; 1098 u_char cdsc_ctrl:4; 1099 u_char cdsc_trk; 1100 u_char cdsc_ind; 1101 union linux_cdrom_addr cdsc_absaddr; 1102 union linux_cdrom_addr cdsc_reladdr; 1103}; 1104 1105struct l_cdrom_read_audio { 1106 union linux_cdrom_addr addr; 1107 u_char addr_format; 1108 l_int nframes; 1109 u_char *buf; 1110}; 1111 1112struct l_dvd_layer { 1113 u_char book_version:4; 1114 u_char book_type:4; 1115 u_char min_rate:4; 1116 u_char disc_size:4; 1117 u_char layer_type:4; 1118 u_char track_path:1; 1119 u_char nlayers:2; 1120 u_char track_density:4; 1121 u_char linear_density:4; 1122 u_char bca:1; 1123 u_int32_t start_sector; 1124 u_int32_t end_sector; 1125 u_int32_t end_sector_l0; 1126}; 1127 1128struct l_dvd_physical { 1129 u_char type; 1130 u_char layer_num; 1131 struct l_dvd_layer layer[4]; 1132}; 1133 1134struct l_dvd_copyright { 1135 u_char type; 1136 u_char layer_num; 1137 u_char cpst; 1138 u_char rmi; 1139}; 1140 1141struct l_dvd_disckey { 1142 u_char type; 1143 l_uint agid:2; 1144 u_char value[2048]; 1145}; 1146 1147struct l_dvd_bca { 1148 u_char type; 1149 l_int len; 1150 u_char value[188]; 1151}; 1152 1153struct l_dvd_manufact { 1154 u_char type; 1155 u_char layer_num; 1156 l_int len; 1157 u_char value[2048]; 1158}; 1159 1160typedef union { 1161 u_char type; 1162 struct l_dvd_physical physical; 1163 struct l_dvd_copyright copyright; 1164 struct l_dvd_disckey disckey; 1165 struct l_dvd_bca bca; 1166 struct l_dvd_manufact manufact; 1167} l_dvd_struct; 1168 1169typedef u_char l_dvd_key[5]; 1170typedef u_char l_dvd_challenge[10]; 1171 1172struct l_dvd_lu_send_agid { 1173 u_char type; 1174 l_uint agid:2; 1175}; 1176 1177struct l_dvd_host_send_challenge { 1178 u_char type; 1179 l_uint agid:2; 1180 l_dvd_challenge chal; 1181}; 1182 1183struct l_dvd_send_key { 1184 u_char type; 1185 l_uint agid:2; 1186 l_dvd_key key; 1187}; 1188 1189struct l_dvd_lu_send_challenge { 1190 u_char type; 1191 l_uint agid:2; 1192 l_dvd_challenge chal; 1193}; 1194 1195struct l_dvd_lu_send_title_key { 1196 u_char type; 1197 l_uint agid:2; 1198 l_dvd_key title_key; 1199 l_int lba; 1200 l_uint cpm:1; 1201 l_uint cp_sec:1; 1202 l_uint cgms:2; 1203}; 1204 1205struct l_dvd_lu_send_asf { 1206 u_char type; 1207 l_uint agid:2; 1208 l_uint asf:1; 1209}; 1210 1211struct l_dvd_host_send_rpcstate { 1212 u_char type; 1213 u_char pdrc; 1214}; 1215 1216struct l_dvd_lu_send_rpcstate { 1217 u_char type:2; 1218 u_char vra:3; 1219 u_char ucca:3; 1220 u_char region_mask; 1221 u_char rpc_scheme; 1222}; 1223 1224typedef union { 1225 u_char type; 1226 struct l_dvd_lu_send_agid lsa; 1227 struct l_dvd_host_send_challenge hsc; 1228 struct l_dvd_send_key lsk; 1229 struct l_dvd_lu_send_challenge lsc; 1230 struct l_dvd_send_key hsk; 1231 struct l_dvd_lu_send_title_key lstk; 1232 struct l_dvd_lu_send_asf lsasf; 1233 struct l_dvd_host_send_rpcstate hrpcs; 1234 struct l_dvd_lu_send_rpcstate lrpcs; 1235} l_dvd_authinfo; 1236 1237static void 1238bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1239{ 1240 if (af == CD_LBA_FORMAT) 1241 lp->lba = bp->lba; 1242 else { 1243 lp->msf.minute = bp->msf.minute; 1244 lp->msf.second = bp->msf.second; 1245 lp->msf.frame = bp->msf.frame; 1246 } 1247} 1248 1249static void 1250set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1251{ 1252 if (format == LINUX_CDROM_MSF) { 1253 addr->msf.frame = lba % 75; 1254 lba /= 75; 1255 lba += 2; 1256 addr->msf.second = lba % 60; 1257 addr->msf.minute = lba / 60; 1258 } else 1259 addr->lba = lba; 1260} 1261 1262static int 1263linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1264{ 1265 bp->format = lp->type; 1266 switch (bp->format) { 1267 case DVD_STRUCT_PHYSICAL: 1268 if (bp->layer_num >= 4) 1269 return (EINVAL); 1270 bp->layer_num = lp->physical.layer_num; 1271 break; 1272 case DVD_STRUCT_COPYRIGHT: 1273 bp->layer_num = lp->copyright.layer_num; 1274 break; 1275 case DVD_STRUCT_DISCKEY: 1276 bp->agid = lp->disckey.agid; 1277 break; 1278 case DVD_STRUCT_BCA: 1279 case DVD_STRUCT_MANUFACT: 1280 break; 1281 default: 1282 return (EINVAL); 1283 } 1284 return (0); 1285} 1286 1287static int 1288bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1289{ 1290 switch (bp->format) { 1291 case DVD_STRUCT_PHYSICAL: { 1292 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1293 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1294 memset(llp, 0, sizeof(*llp)); 1295 llp->book_version = blp->book_version; 1296 llp->book_type = blp->book_type; 1297 llp->min_rate = blp->max_rate; 1298 llp->disc_size = blp->disc_size; 1299 llp->layer_type = blp->layer_type; 1300 llp->track_path = blp->track_path; 1301 llp->nlayers = blp->nlayers; 1302 llp->track_density = blp->track_density; 1303 llp->linear_density = blp->linear_density; 1304 llp->bca = blp->bca; 1305 llp->start_sector = blp->start_sector; 1306 llp->end_sector = blp->end_sector; 1307 llp->end_sector_l0 = blp->end_sector_l0; 1308 break; 1309 } 1310 case DVD_STRUCT_COPYRIGHT: 1311 lp->copyright.cpst = bp->cpst; 1312 lp->copyright.rmi = bp->rmi; 1313 break; 1314 case DVD_STRUCT_DISCKEY: 1315 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1316 break; 1317 case DVD_STRUCT_BCA: 1318 lp->bca.len = bp->length; 1319 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1320 break; 1321 case DVD_STRUCT_MANUFACT: 1322 lp->manufact.len = bp->length; 1323 memcpy(lp->manufact.value, bp->data, 1324 sizeof(lp->manufact.value)); 1325 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1326 break; 1327 default: 1328 return (EINVAL); 1329 } 1330 return (0); 1331} 1332 1333static int 1334linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1335 struct dvd_authinfo *bp) 1336{ 1337 switch (lp->type) { 1338 case LINUX_DVD_LU_SEND_AGID: 1339 *bcode = DVDIOCREPORTKEY; 1340 bp->format = DVD_REPORT_AGID; 1341 bp->agid = lp->lsa.agid; 1342 break; 1343 case LINUX_DVD_HOST_SEND_CHALLENGE: 1344 *bcode = DVDIOCSENDKEY; 1345 bp->format = DVD_SEND_CHALLENGE; 1346 bp->agid = lp->hsc.agid; 1347 memcpy(bp->keychal, lp->hsc.chal, 10); 1348 break; 1349 case LINUX_DVD_LU_SEND_KEY1: 1350 *bcode = DVDIOCREPORTKEY; 1351 bp->format = DVD_REPORT_KEY1; 1352 bp->agid = lp->lsk.agid; 1353 break; 1354 case LINUX_DVD_LU_SEND_CHALLENGE: 1355 *bcode = DVDIOCREPORTKEY; 1356 bp->format = DVD_REPORT_CHALLENGE; 1357 bp->agid = lp->lsc.agid; 1358 break; 1359 case LINUX_DVD_HOST_SEND_KEY2: 1360 *bcode = DVDIOCSENDKEY; 1361 bp->format = DVD_SEND_KEY2; 1362 bp->agid = lp->hsk.agid; 1363 memcpy(bp->keychal, lp->hsk.key, 5); 1364 break; 1365 case LINUX_DVD_LU_SEND_TITLE_KEY: 1366 *bcode = DVDIOCREPORTKEY; 1367 bp->format = DVD_REPORT_TITLE_KEY; 1368 bp->agid = lp->lstk.agid; 1369 bp->lba = lp->lstk.lba; 1370 break; 1371 case LINUX_DVD_LU_SEND_ASF: 1372 *bcode = DVDIOCREPORTKEY; 1373 bp->format = DVD_REPORT_ASF; 1374 bp->agid = lp->lsasf.agid; 1375 break; 1376 case LINUX_DVD_INVALIDATE_AGID: 1377 *bcode = DVDIOCREPORTKEY; 1378 bp->format = DVD_INVALIDATE_AGID; 1379 bp->agid = lp->lsa.agid; 1380 break; 1381 case LINUX_DVD_LU_SEND_RPC_STATE: 1382 *bcode = DVDIOCREPORTKEY; 1383 bp->format = DVD_REPORT_RPC; 1384 break; 1385 case LINUX_DVD_HOST_SEND_RPC_STATE: 1386 *bcode = DVDIOCSENDKEY; 1387 bp->format = DVD_SEND_RPC; 1388 bp->region = lp->hrpcs.pdrc; 1389 break; 1390 default: 1391 return (EINVAL); 1392 } 1393 return (0); 1394} 1395 1396static int 1397bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1398{ 1399 switch (lp->type) { 1400 case LINUX_DVD_LU_SEND_AGID: 1401 lp->lsa.agid = bp->agid; 1402 break; 1403 case LINUX_DVD_HOST_SEND_CHALLENGE: 1404 lp->type = LINUX_DVD_LU_SEND_KEY1; 1405 break; 1406 case LINUX_DVD_LU_SEND_KEY1: 1407 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1408 break; 1409 case LINUX_DVD_LU_SEND_CHALLENGE: 1410 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1411 break; 1412 case LINUX_DVD_HOST_SEND_KEY2: 1413 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1414 break; 1415 case LINUX_DVD_LU_SEND_TITLE_KEY: 1416 memcpy(lp->lstk.title_key, bp->keychal, 1417 sizeof(lp->lstk.title_key)); 1418 lp->lstk.cpm = bp->cpm; 1419 lp->lstk.cp_sec = bp->cp_sec; 1420 lp->lstk.cgms = bp->cgms; 1421 break; 1422 case LINUX_DVD_LU_SEND_ASF: 1423 lp->lsasf.asf = bp->asf; 1424 break; 1425 case LINUX_DVD_INVALIDATE_AGID: 1426 break; 1427 case LINUX_DVD_LU_SEND_RPC_STATE: 1428 lp->lrpcs.type = bp->reg_type; 1429 lp->lrpcs.vra = bp->vend_rsts; 1430 lp->lrpcs.ucca = bp->user_rsts; 1431 lp->lrpcs.region_mask = bp->region; 1432 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1433 break; 1434 case LINUX_DVD_HOST_SEND_RPC_STATE: 1435 break; 1436 default: 1437 return (EINVAL); 1438 } 1439 return (0); 1440} 1441 1442static int 1443linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1444{ 1445 cap_rights_t rights; 1446 struct file *fp; 1447 int error; 1448 1449 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1450 if (error != 0) 1451 return (error); 1452 switch (args->cmd & 0xffff) { 1453 1454 case LINUX_CDROMPAUSE: 1455 args->cmd = CDIOCPAUSE; 1456 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1457 break; 1458 1459 case LINUX_CDROMRESUME: 1460 args->cmd = CDIOCRESUME; 1461 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1462 break; 1463 1464 case LINUX_CDROMPLAYMSF: 1465 args->cmd = CDIOCPLAYMSF; 1466 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1467 break; 1468 1469 case LINUX_CDROMPLAYTRKIND: 1470 args->cmd = CDIOCPLAYTRACKS; 1471 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1472 break; 1473 1474 case LINUX_CDROMREADTOCHDR: { 1475 struct ioc_toc_header th; 1476 struct linux_cdrom_tochdr lth; 1477 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1478 td->td_ucred, td); 1479 if (!error) { 1480 lth.cdth_trk0 = th.starting_track; 1481 lth.cdth_trk1 = th.ending_track; 1482 copyout(<h, (void *)args->arg, sizeof(lth)); 1483 } 1484 break; 1485 } 1486 1487 case LINUX_CDROMREADTOCENTRY: { 1488 struct linux_cdrom_tocentry lte; 1489 struct ioc_read_toc_single_entry irtse; 1490 1491 error = copyin((void *)args->arg, <e, sizeof(lte)); 1492 if (error) 1493 break; 1494 irtse.address_format = lte.cdte_format; 1495 irtse.track = lte.cdte_track; 1496 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1497 td->td_ucred, td); 1498 if (!error) { 1499 lte.cdte_ctrl = irtse.entry.control; 1500 lte.cdte_adr = irtse.entry.addr_type; 1501 bsd_to_linux_msf_lba(irtse.address_format, 1502 &irtse.entry.addr, <e.cdte_addr); 1503 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1504 } 1505 break; 1506 } 1507 1508 case LINUX_CDROMSTOP: 1509 args->cmd = CDIOCSTOP; 1510 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1511 break; 1512 1513 case LINUX_CDROMSTART: 1514 args->cmd = CDIOCSTART; 1515 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1516 break; 1517 1518 case LINUX_CDROMEJECT: 1519 args->cmd = CDIOCEJECT; 1520 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1521 break; 1522 1523 /* LINUX_CDROMVOLCTRL */ 1524 1525 case LINUX_CDROMSUBCHNL: { 1526 struct linux_cdrom_subchnl sc; 1527 struct ioc_read_subchannel bsdsc; 1528 struct cd_sub_channel_info bsdinfo; 1529 1530 bsdsc.address_format = CD_LBA_FORMAT; 1531 bsdsc.data_format = CD_CURRENT_POSITION; 1532 bsdsc.track = 0; 1533 bsdsc.data_len = sizeof(bsdinfo); 1534 bsdsc.data = &bsdinfo; 1535 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1536 (caddr_t)&bsdsc, td->td_ucred, td); 1537 if (error) 1538 break; 1539 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1540 if (error) 1541 break; 1542 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1543 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1544 sc.cdsc_ctrl = bsdinfo.what.position.control; 1545 sc.cdsc_trk = bsdinfo.what.position.track_number; 1546 sc.cdsc_ind = bsdinfo.what.position.index_number; 1547 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1548 bsdinfo.what.position.absaddr.lba); 1549 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1550 bsdinfo.what.position.reladdr.lba); 1551 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1552 break; 1553 } 1554 1555 /* LINUX_CDROMREADMODE2 */ 1556 /* LINUX_CDROMREADMODE1 */ 1557 /* LINUX_CDROMREADAUDIO */ 1558 /* LINUX_CDROMEJECT_SW */ 1559 /* LINUX_CDROMMULTISESSION */ 1560 /* LINUX_CDROM_GET_UPC */ 1561 1562 case LINUX_CDROMRESET: 1563 args->cmd = CDIOCRESET; 1564 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1565 break; 1566 1567 /* LINUX_CDROMVOLREAD */ 1568 /* LINUX_CDROMREADRAW */ 1569 /* LINUX_CDROMREADCOOKED */ 1570 /* LINUX_CDROMSEEK */ 1571 /* LINUX_CDROMPLAYBLK */ 1572 /* LINUX_CDROMREADALL */ 1573 /* LINUX_CDROMCLOSETRAY */ 1574 /* LINUX_CDROMLOADFROMSLOT */ 1575 /* LINUX_CDROMGETSPINDOWN */ 1576 /* LINUX_CDROMSETSPINDOWN */ 1577 /* LINUX_CDROM_SET_OPTIONS */ 1578 /* LINUX_CDROM_CLEAR_OPTIONS */ 1579 /* LINUX_CDROM_SELECT_SPEED */ 1580 /* LINUX_CDROM_SELECT_DISC */ 1581 /* LINUX_CDROM_MEDIA_CHANGED */ 1582 /* LINUX_CDROM_DRIVE_STATUS */ 1583 /* LINUX_CDROM_DISC_STATUS */ 1584 /* LINUX_CDROM_CHANGER_NSLOTS */ 1585 /* LINUX_CDROM_LOCKDOOR */ 1586 /* LINUX_CDROM_DEBUG */ 1587 /* LINUX_CDROM_GET_CAPABILITY */ 1588 /* LINUX_CDROMAUDIOBUFSIZ */ 1589 1590 case LINUX_DVD_READ_STRUCT: { 1591 l_dvd_struct *lds; 1592 struct dvd_struct *bds; 1593 1594 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1595 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1596 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1597 if (error) 1598 goto out; 1599 error = linux_to_bsd_dvd_struct(lds, bds); 1600 if (error) 1601 goto out; 1602 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1603 td->td_ucred, td); 1604 if (error) 1605 goto out; 1606 error = bsd_to_linux_dvd_struct(bds, lds); 1607 if (error) 1608 goto out; 1609 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1610 out: 1611 free(bds, M_LINUX); 1612 free(lds, M_LINUX); 1613 break; 1614 } 1615 1616 /* LINUX_DVD_WRITE_STRUCT */ 1617 1618 case LINUX_DVD_AUTH: { 1619 l_dvd_authinfo lda; 1620 struct dvd_authinfo bda; 1621 int bcode; 1622 1623 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1624 if (error) 1625 break; 1626 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1627 if (error) 1628 break; 1629 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1630 td); 1631 if (error) { 1632 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1633 lda.type = LINUX_DVD_AUTH_FAILURE; 1634 copyout(&lda, (void *)args->arg, sizeof(lda)); 1635 } 1636 break; 1637 } 1638 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1639 if (error) 1640 break; 1641 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1642 break; 1643 } 1644 1645 case LINUX_SCSI_GET_BUS_NUMBER: 1646 { 1647 struct sg_scsi_id id; 1648 1649 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1650 td->td_ucred, td); 1651 if (error) 1652 break; 1653 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1654 break; 1655 } 1656 1657 case LINUX_SCSI_GET_IDLUN: 1658 { 1659 struct sg_scsi_id id; 1660 struct scsi_idlun idl; 1661 1662 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1663 td->td_ucred, td); 1664 if (error) 1665 break; 1666 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1667 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1668 idl.host_unique_id = id.host_no; 1669 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1670 break; 1671 } 1672 1673 /* LINUX_CDROM_SEND_PACKET */ 1674 /* LINUX_CDROM_NEXT_WRITABLE */ 1675 /* LINUX_CDROM_LAST_WRITTEN */ 1676 1677 default: 1678 error = ENOIOCTL; 1679 break; 1680 } 1681 1682 fdrop(fp, td); 1683 return (error); 1684} 1685 1686static int 1687linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1688{ 1689 1690 return (ENOTTY); 1691} 1692 1693/* 1694 * Sound related ioctls 1695 */ 1696 1697struct linux_old_mixer_info { 1698 char id[16]; 1699 char name[32]; 1700}; 1701 1702static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1703 1704#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1705 1706static int 1707linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1708{ 1709 1710 switch (args->cmd & 0xffff) { 1711 1712 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1713 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1714 return (sys_ioctl(td, (struct ioctl_args *)args)); 1715 1716 case LINUX_SOUND_MIXER_WRITE_BASS: 1717 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1718 return (sys_ioctl(td, (struct ioctl_args *)args)); 1719 1720 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1721 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1722 return (sys_ioctl(td, (struct ioctl_args *)args)); 1723 1724 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1725 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1726 return (sys_ioctl(td, (struct ioctl_args *)args)); 1727 1728 case LINUX_SOUND_MIXER_WRITE_PCM: 1729 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1730 return (sys_ioctl(td, (struct ioctl_args *)args)); 1731 1732 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1733 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1734 return (sys_ioctl(td, (struct ioctl_args *)args)); 1735 1736 case LINUX_SOUND_MIXER_WRITE_LINE: 1737 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1738 return (sys_ioctl(td, (struct ioctl_args *)args)); 1739 1740 case LINUX_SOUND_MIXER_WRITE_MIC: 1741 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1742 return (sys_ioctl(td, (struct ioctl_args *)args)); 1743 1744 case LINUX_SOUND_MIXER_WRITE_CD: 1745 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1746 return (sys_ioctl(td, (struct ioctl_args *)args)); 1747 1748 case LINUX_SOUND_MIXER_WRITE_IMIX: 1749 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1750 return (sys_ioctl(td, (struct ioctl_args *)args)); 1751 1752 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1753 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1754 return (sys_ioctl(td, (struct ioctl_args *)args)); 1755 1756 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1757 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1758 return (sys_ioctl(td, (struct ioctl_args *)args)); 1759 1760 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1761 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1762 return (sys_ioctl(td, (struct ioctl_args *)args)); 1763 1764 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1765 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1766 return (sys_ioctl(td, (struct ioctl_args *)args)); 1767 1768 case LINUX_SOUND_MIXER_WRITE_LINE1: 1769 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1770 return (sys_ioctl(td, (struct ioctl_args *)args)); 1771 1772 case LINUX_SOUND_MIXER_WRITE_LINE2: 1773 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1774 return (sys_ioctl(td, (struct ioctl_args *)args)); 1775 1776 case LINUX_SOUND_MIXER_WRITE_LINE3: 1777 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1778 return (sys_ioctl(td, (struct ioctl_args *)args)); 1779 1780 case LINUX_SOUND_MIXER_INFO: { 1781 /* Key on encoded length */ 1782 switch ((args->cmd >> 16) & 0x1fff) { 1783 case 0x005c: { /* SOUND_MIXER_INFO */ 1784 args->cmd = SOUND_MIXER_INFO; 1785 return (sys_ioctl(td, (struct ioctl_args *)args)); 1786 } 1787 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1788 struct linux_old_mixer_info info; 1789 bzero(&info, sizeof(info)); 1790 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1791 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1792 copyout(&info, (void *)args->arg, sizeof(info)); 1793 return (0); 1794 } 1795 default: 1796 return (ENOIOCTL); 1797 } 1798 break; 1799 } 1800 1801 case LINUX_OSS_GETVERSION: { 1802 int version = linux_get_oss_version(td); 1803 return (copyout(&version, (void *)args->arg, sizeof(int))); 1804 } 1805 1806 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1807 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1808 return (sys_ioctl(td, (struct ioctl_args *)args)); 1809 1810 case LINUX_SOUND_MIXER_READ_CAPS: 1811 args->cmd = SOUND_MIXER_READ_CAPS; 1812 return (sys_ioctl(td, (struct ioctl_args *)args)); 1813 1814 case LINUX_SOUND_MIXER_READ_RECMASK: 1815 args->cmd = SOUND_MIXER_READ_RECMASK; 1816 return (sys_ioctl(td, (struct ioctl_args *)args)); 1817 1818 case LINUX_SOUND_MIXER_READ_DEVMASK: 1819 args->cmd = SOUND_MIXER_READ_DEVMASK; 1820 return (sys_ioctl(td, (struct ioctl_args *)args)); 1821 1822 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1823 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1824 return (sys_ioctl(td, (struct ioctl_args *)args)); 1825 1826 case LINUX_SNDCTL_DSP_RESET: 1827 args->cmd = SNDCTL_DSP_RESET; 1828 return (sys_ioctl(td, (struct ioctl_args *)args)); 1829 1830 case LINUX_SNDCTL_DSP_SYNC: 1831 args->cmd = SNDCTL_DSP_SYNC; 1832 return (sys_ioctl(td, (struct ioctl_args *)args)); 1833 1834 case LINUX_SNDCTL_DSP_SPEED: 1835 args->cmd = SNDCTL_DSP_SPEED; 1836 return (sys_ioctl(td, (struct ioctl_args *)args)); 1837 1838 case LINUX_SNDCTL_DSP_STEREO: 1839 args->cmd = SNDCTL_DSP_STEREO; 1840 return (sys_ioctl(td, (struct ioctl_args *)args)); 1841 1842 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1843 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1844 return (sys_ioctl(td, (struct ioctl_args *)args)); 1845 1846 case LINUX_SNDCTL_DSP_SETFMT: 1847 args->cmd = SNDCTL_DSP_SETFMT; 1848 return (sys_ioctl(td, (struct ioctl_args *)args)); 1849 1850 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1851 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1852 return (sys_ioctl(td, (struct ioctl_args *)args)); 1853 1854 case LINUX_SOUND_PCM_WRITE_FILTER: 1855 args->cmd = SOUND_PCM_WRITE_FILTER; 1856 return (sys_ioctl(td, (struct ioctl_args *)args)); 1857 1858 case LINUX_SNDCTL_DSP_POST: 1859 args->cmd = SNDCTL_DSP_POST; 1860 return (sys_ioctl(td, (struct ioctl_args *)args)); 1861 1862 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1863 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1864 return (sys_ioctl(td, (struct ioctl_args *)args)); 1865 1866 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1867 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1868 return (sys_ioctl(td, (struct ioctl_args *)args)); 1869 1870 case LINUX_SNDCTL_DSP_GETFMTS: 1871 args->cmd = SNDCTL_DSP_GETFMTS; 1872 return (sys_ioctl(td, (struct ioctl_args *)args)); 1873 1874 case LINUX_SNDCTL_DSP_GETOSPACE: 1875 args->cmd = SNDCTL_DSP_GETOSPACE; 1876 return (sys_ioctl(td, (struct ioctl_args *)args)); 1877 1878 case LINUX_SNDCTL_DSP_GETISPACE: 1879 args->cmd = SNDCTL_DSP_GETISPACE; 1880 return (sys_ioctl(td, (struct ioctl_args *)args)); 1881 1882 case LINUX_SNDCTL_DSP_NONBLOCK: 1883 args->cmd = SNDCTL_DSP_NONBLOCK; 1884 return (sys_ioctl(td, (struct ioctl_args *)args)); 1885 1886 case LINUX_SNDCTL_DSP_GETCAPS: 1887 args->cmd = SNDCTL_DSP_GETCAPS; 1888 return (sys_ioctl(td, (struct ioctl_args *)args)); 1889 1890 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1891 args->cmd = SNDCTL_DSP_SETTRIGGER; 1892 return (sys_ioctl(td, (struct ioctl_args *)args)); 1893 1894 case LINUX_SNDCTL_DSP_GETIPTR: 1895 args->cmd = SNDCTL_DSP_GETIPTR; 1896 return (sys_ioctl(td, (struct ioctl_args *)args)); 1897 1898 case LINUX_SNDCTL_DSP_GETOPTR: 1899 args->cmd = SNDCTL_DSP_GETOPTR; 1900 return (sys_ioctl(td, (struct ioctl_args *)args)); 1901 1902 case LINUX_SNDCTL_DSP_SETDUPLEX: 1903 args->cmd = SNDCTL_DSP_SETDUPLEX; 1904 return (sys_ioctl(td, (struct ioctl_args *)args)); 1905 1906 case LINUX_SNDCTL_DSP_GETODELAY: 1907 args->cmd = SNDCTL_DSP_GETODELAY; 1908 return (sys_ioctl(td, (struct ioctl_args *)args)); 1909 1910 case LINUX_SNDCTL_SEQ_RESET: 1911 args->cmd = SNDCTL_SEQ_RESET; 1912 return (sys_ioctl(td, (struct ioctl_args *)args)); 1913 1914 case LINUX_SNDCTL_SEQ_SYNC: 1915 args->cmd = SNDCTL_SEQ_SYNC; 1916 return (sys_ioctl(td, (struct ioctl_args *)args)); 1917 1918 case LINUX_SNDCTL_SYNTH_INFO: 1919 args->cmd = SNDCTL_SYNTH_INFO; 1920 return (sys_ioctl(td, (struct ioctl_args *)args)); 1921 1922 case LINUX_SNDCTL_SEQ_CTRLRATE: 1923 args->cmd = SNDCTL_SEQ_CTRLRATE; 1924 return (sys_ioctl(td, (struct ioctl_args *)args)); 1925 1926 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1927 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1928 return (sys_ioctl(td, (struct ioctl_args *)args)); 1929 1930 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1931 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1932 return (sys_ioctl(td, (struct ioctl_args *)args)); 1933 1934 case LINUX_SNDCTL_SEQ_PERCMODE: 1935 args->cmd = SNDCTL_SEQ_PERCMODE; 1936 return (sys_ioctl(td, (struct ioctl_args *)args)); 1937 1938 case LINUX_SNDCTL_FM_LOAD_INSTR: 1939 args->cmd = SNDCTL_FM_LOAD_INSTR; 1940 return (sys_ioctl(td, (struct ioctl_args *)args)); 1941 1942 case LINUX_SNDCTL_SEQ_TESTMIDI: 1943 args->cmd = SNDCTL_SEQ_TESTMIDI; 1944 return (sys_ioctl(td, (struct ioctl_args *)args)); 1945 1946 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1947 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1948 return (sys_ioctl(td, (struct ioctl_args *)args)); 1949 1950 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1951 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1952 return (sys_ioctl(td, (struct ioctl_args *)args)); 1953 1954 case LINUX_SNDCTL_SEQ_NRMIDIS: 1955 args->cmd = SNDCTL_SEQ_NRMIDIS; 1956 return (sys_ioctl(td, (struct ioctl_args *)args)); 1957 1958 case LINUX_SNDCTL_MIDI_INFO: 1959 args->cmd = SNDCTL_MIDI_INFO; 1960 return (sys_ioctl(td, (struct ioctl_args *)args)); 1961 1962 case LINUX_SNDCTL_SEQ_TRESHOLD: 1963 args->cmd = SNDCTL_SEQ_TRESHOLD; 1964 return (sys_ioctl(td, (struct ioctl_args *)args)); 1965 1966 case LINUX_SNDCTL_SYNTH_MEMAVL: 1967 args->cmd = SNDCTL_SYNTH_MEMAVL; 1968 return (sys_ioctl(td, (struct ioctl_args *)args)); 1969 1970 } 1971 1972 return (ENOIOCTL); 1973} 1974 1975/* 1976 * Console related ioctls 1977 */ 1978 1979static int 1980linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1981{ 1982 cap_rights_t rights; 1983 struct file *fp; 1984 int error; 1985 1986 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1987 if (error != 0) 1988 return (error); 1989 switch (args->cmd & 0xffff) { 1990 1991 case LINUX_KIOCSOUND: 1992 args->cmd = KIOCSOUND; 1993 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1994 break; 1995 1996 case LINUX_KDMKTONE: 1997 args->cmd = KDMKTONE; 1998 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1999 break; 2000 2001 case LINUX_KDGETLED: 2002 args->cmd = KDGETLED; 2003 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2004 break; 2005 2006 case LINUX_KDSETLED: 2007 args->cmd = KDSETLED; 2008 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2009 break; 2010 2011 case LINUX_KDSETMODE: 2012 args->cmd = KDSETMODE; 2013 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2014 break; 2015 2016 case LINUX_KDGETMODE: 2017 args->cmd = KDGETMODE; 2018 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2019 break; 2020 2021 case LINUX_KDGKBMODE: 2022 args->cmd = KDGKBMODE; 2023 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2024 break; 2025 2026 case LINUX_KDSKBMODE: { 2027 int kbdmode; 2028 switch (args->arg) { 2029 case LINUX_KBD_RAW: 2030 kbdmode = K_RAW; 2031 break; 2032 case LINUX_KBD_XLATE: 2033 kbdmode = K_XLATE; 2034 break; 2035 case LINUX_KBD_MEDIUMRAW: 2036 kbdmode = K_RAW; 2037 break; 2038 default: 2039 fdrop(fp, td); 2040 return (EINVAL); 2041 } 2042 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2043 td->td_ucred, td)); 2044 break; 2045 } 2046 2047 case LINUX_VT_OPENQRY: 2048 args->cmd = VT_OPENQRY; 2049 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2050 break; 2051 2052 case LINUX_VT_GETMODE: 2053 args->cmd = VT_GETMODE; 2054 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2055 break; 2056 2057 case LINUX_VT_SETMODE: { 2058 struct vt_mode mode; 2059 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2060 break; 2061 if (LINUX_SIG_VALID(mode.relsig)) 2062 mode.relsig = linux_to_bsd_signal(mode.relsig); 2063 else 2064 mode.relsig = 0; 2065 if (LINUX_SIG_VALID(mode.acqsig)) 2066 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2067 else 2068 mode.acqsig = 0; 2069 /* XXX. Linux ignores frsig and set it to 0. */ 2070 mode.frsig = 0; 2071 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2072 break; 2073 args->cmd = VT_SETMODE; 2074 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2075 break; 2076 } 2077 2078 case LINUX_VT_GETSTATE: 2079 args->cmd = VT_GETACTIVE; 2080 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2081 break; 2082 2083 case LINUX_VT_RELDISP: 2084 args->cmd = VT_RELDISP; 2085 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2086 break; 2087 2088 case LINUX_VT_ACTIVATE: 2089 args->cmd = VT_ACTIVATE; 2090 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2091 break; 2092 2093 case LINUX_VT_WAITACTIVE: 2094 args->cmd = VT_WAITACTIVE; 2095 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2096 break; 2097 2098 default: 2099 error = ENOIOCTL; 2100 break; 2101 } 2102 2103 fdrop(fp, td); 2104 return (error); 2105} 2106 2107/* 2108 * Criteria for interface name translation 2109 */ 2110#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2111 2112/* 2113 * Translate a Linux interface name to a FreeBSD interface name, 2114 * and return the associated ifnet structure 2115 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2116 * can point to the same buffer. 2117 */ 2118 2119static struct ifnet * 2120ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2121{ 2122 struct ifnet *ifp; 2123 int len, unit; 2124 char *ep; 2125 int is_eth, index; 2126 2127 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2128 if (!isalpha(lxname[len])) 2129 break; 2130 if (len == 0 || len == LINUX_IFNAMSIZ) 2131 return (NULL); 2132 unit = (int)strtoul(lxname + len, &ep, 10); 2133 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2134 return (NULL); 2135 index = 0; 2136 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2137 CURVNET_SET(TD_TO_VNET(td)); 2138 IFNET_RLOCK(); 2139 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2140 /* 2141 * Allow Linux programs to use FreeBSD names. Don't presume 2142 * we never have an interface named "eth", so don't make 2143 * the test optional based on is_eth. 2144 */ 2145 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2146 break; 2147 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2148 break; 2149 } 2150 IFNET_RUNLOCK(); 2151 CURVNET_RESTORE(); 2152 if (ifp != NULL) 2153 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2154 return (ifp); 2155} 2156 2157/* 2158 * Implement the SIOCGIFCONF ioctl 2159 */ 2160 2161static int 2162linux_ifconf(struct thread *td, struct ifconf *uifc) 2163{ 2164#ifdef COMPAT_LINUX32 2165 struct l_ifconf ifc; 2166#else 2167 struct ifconf ifc; 2168#endif 2169 struct l_ifreq ifr; 2170 struct ifnet *ifp; 2171 struct ifaddr *ifa; 2172 struct sbuf *sb; 2173 int error, ethno, full = 0, valid_len, max_len; 2174 2175 error = copyin(uifc, &ifc, sizeof(ifc)); 2176 if (error != 0) 2177 return (error); 2178 2179 max_len = MAXPHYS - 1; 2180 2181 CURVNET_SET(TD_TO_VNET(td)); 2182 /* handle the 'request buffer size' case */ 2183 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2184 ifc.ifc_len = 0; 2185 IFNET_RLOCK(); 2186 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2187 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2188 struct sockaddr *sa = ifa->ifa_addr; 2189 if (sa->sa_family == AF_INET) 2190 ifc.ifc_len += sizeof(ifr); 2191 } 2192 } 2193 IFNET_RUNLOCK(); 2194 error = copyout(&ifc, uifc, sizeof(ifc)); 2195 CURVNET_RESTORE(); 2196 return (error); 2197 } 2198 2199 if (ifc.ifc_len <= 0) { 2200 CURVNET_RESTORE(); 2201 return (EINVAL); 2202 } 2203 2204again: 2205 /* Keep track of eth interfaces */ 2206 ethno = 0; 2207 if (ifc.ifc_len <= max_len) { 2208 max_len = ifc.ifc_len; 2209 full = 1; 2210 } 2211 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2212 max_len = 0; 2213 valid_len = 0; 2214 2215 /* Return all AF_INET addresses of all interfaces */ 2216 IFNET_RLOCK(); 2217 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2218 int addrs = 0; 2219 2220 bzero(&ifr, sizeof(ifr)); 2221 if (IFP_IS_ETH(ifp)) 2222 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2223 ethno++); 2224 else 2225 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2226 2227 /* Walk the address list */ 2228 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2229 struct sockaddr *sa = ifa->ifa_addr; 2230 2231 if (sa->sa_family == AF_INET) { 2232 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2233 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2234 sizeof(ifr.ifr_addr.sa_data)); 2235 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2236 max_len += sizeof(ifr); 2237 addrs++; 2238 } 2239 2240 if (sbuf_error(sb) == 0) 2241 valid_len = sbuf_len(sb); 2242 } 2243 if (addrs == 0) { 2244 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2245 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2246 max_len += sizeof(ifr); 2247 2248 if (sbuf_error(sb) == 0) 2249 valid_len = sbuf_len(sb); 2250 } 2251 } 2252 IFNET_RUNLOCK(); 2253 2254 if (valid_len != max_len && !full) { 2255 sbuf_delete(sb); 2256 goto again; 2257 } 2258 2259 ifc.ifc_len = valid_len; 2260 sbuf_finish(sb); 2261 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2262 if (error == 0) 2263 error = copyout(&ifc, uifc, sizeof(ifc)); 2264 sbuf_delete(sb); 2265 CURVNET_RESTORE(); 2266 2267 return (error); 2268} 2269 2270static int 2271linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2272{ 2273 l_short flags; 2274 2275 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2276 /* these flags have no Linux equivalent */ 2277 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2278 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2279 /* Linux' multicast flag is in a different bit */ 2280 if (flags & IFF_MULTICAST) { 2281 flags &= ~IFF_MULTICAST; 2282 flags |= 0x1000; 2283 } 2284 2285 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2286} 2287 2288#define ARPHRD_ETHER 1 2289#define ARPHRD_LOOPBACK 772 2290 2291static int 2292linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2293{ 2294 struct ifaddr *ifa; 2295 struct sockaddr_dl *sdl; 2296 struct l_sockaddr lsa; 2297 2298 if (ifp->if_type == IFT_LOOP) { 2299 bzero(&lsa, sizeof(lsa)); 2300 lsa.sa_family = ARPHRD_LOOPBACK; 2301 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2302 } 2303 2304 if (ifp->if_type != IFT_ETHER) 2305 return (ENOENT); 2306 2307 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2308 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2309 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2310 (sdl->sdl_type == IFT_ETHER)) { 2311 bzero(&lsa, sizeof(lsa)); 2312 lsa.sa_family = ARPHRD_ETHER; 2313 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2314 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2315 } 2316 } 2317 2318 return (ENOENT); 2319} 2320 2321 2322 /* 2323* If we fault in bsd_to_linux_ifreq() then we will fault when we call 2324* the native ioctl(). Thus, we don't really need to check the return 2325* value of this function. 2326*/ 2327static int 2328bsd_to_linux_ifreq(struct ifreq *arg) 2329{ 2330 struct ifreq ifr; 2331 size_t ifr_len = sizeof(struct ifreq); 2332 int error; 2333 2334 if ((error = copyin(arg, &ifr, ifr_len))) 2335 return (error); 2336 2337 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2338 2339 error = copyout(&ifr, arg, ifr_len); 2340 2341 return (error); 2342} 2343 2344/* 2345 * Socket related ioctls 2346 */ 2347 2348static int 2349linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2350{ 2351 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2352 cap_rights_t rights; 2353 struct ifnet *ifp; 2354 struct file *fp; 2355 int error, type; 2356 2357 ifp = NULL; 2358 error = 0; 2359 2360 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2361 if (error != 0) 2362 return (error); 2363 type = fp->f_type; 2364 fdrop(fp, td); 2365 if (type != DTYPE_SOCKET) { 2366 /* not a socket - probably a tap / vmnet device */ 2367 switch (args->cmd) { 2368 case LINUX_SIOCGIFADDR: 2369 case LINUX_SIOCSIFADDR: 2370 case LINUX_SIOCGIFFLAGS: 2371 return (linux_ioctl_special(td, args)); 2372 default: 2373 return (ENOIOCTL); 2374 } 2375 } 2376 2377 switch (args->cmd & 0xffff) { 2378 2379 case LINUX_FIOGETOWN: 2380 case LINUX_FIOSETOWN: 2381 case LINUX_SIOCADDMULTI: 2382 case LINUX_SIOCATMARK: 2383 case LINUX_SIOCDELMULTI: 2384 case LINUX_SIOCGIFCONF: 2385 case LINUX_SIOCGPGRP: 2386 case LINUX_SIOCSPGRP: 2387 case LINUX_SIOCGIFCOUNT: 2388 /* these ioctls don't take an interface name */ 2389#ifdef DEBUG 2390 printf("%s(): ioctl %d\n", __func__, 2391 args->cmd & 0xffff); 2392#endif 2393 break; 2394 2395 case LINUX_SIOCGIFFLAGS: 2396 case LINUX_SIOCGIFADDR: 2397 case LINUX_SIOCSIFADDR: 2398 case LINUX_SIOCGIFDSTADDR: 2399 case LINUX_SIOCGIFBRDADDR: 2400 case LINUX_SIOCGIFNETMASK: 2401 case LINUX_SIOCSIFNETMASK: 2402 case LINUX_SIOCGIFMTU: 2403 case LINUX_SIOCSIFMTU: 2404 case LINUX_SIOCSIFNAME: 2405 case LINUX_SIOCGIFHWADDR: 2406 case LINUX_SIOCSIFHWADDR: 2407 case LINUX_SIOCDEVPRIVATE: 2408 case LINUX_SIOCDEVPRIVATE+1: 2409 case LINUX_SIOCGIFINDEX: 2410 /* copy in the interface name and translate it. */ 2411 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2412 if (error != 0) 2413 return (error); 2414#ifdef DEBUG 2415 printf("%s(): ioctl %d on %.*s\n", __func__, 2416 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2417#endif 2418 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2419 if (ifp == NULL) 2420 return (EINVAL); 2421 /* 2422 * We need to copy it back out in case we pass the 2423 * request on to our native ioctl(), which will expect 2424 * the ifreq to be in user space and have the correct 2425 * interface name. 2426 */ 2427 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2428 if (error != 0) 2429 return (error); 2430#ifdef DEBUG 2431 printf("%s(): %s translated to %s\n", __func__, 2432 lifname, ifname); 2433#endif 2434 break; 2435 2436 default: 2437 return (ENOIOCTL); 2438 } 2439 2440 switch (args->cmd & 0xffff) { 2441 2442 case LINUX_FIOSETOWN: 2443 args->cmd = FIOSETOWN; 2444 error = sys_ioctl(td, (struct ioctl_args *)args); 2445 break; 2446 2447 case LINUX_SIOCSPGRP: 2448 args->cmd = SIOCSPGRP; 2449 error = sys_ioctl(td, (struct ioctl_args *)args); 2450 break; 2451 2452 case LINUX_FIOGETOWN: 2453 args->cmd = FIOGETOWN; 2454 error = sys_ioctl(td, (struct ioctl_args *)args); 2455 break; 2456 2457 case LINUX_SIOCGPGRP: 2458 args->cmd = SIOCGPGRP; 2459 error = sys_ioctl(td, (struct ioctl_args *)args); 2460 break; 2461 2462 case LINUX_SIOCATMARK: 2463 args->cmd = SIOCATMARK; 2464 error = sys_ioctl(td, (struct ioctl_args *)args); 2465 break; 2466 2467 /* LINUX_SIOCGSTAMP */ 2468 2469 case LINUX_SIOCGIFCONF: 2470 error = linux_ifconf(td, (struct ifconf *)args->arg); 2471 break; 2472 2473 case LINUX_SIOCGIFFLAGS: 2474 args->cmd = SIOCGIFFLAGS; 2475 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2476 break; 2477 2478 case LINUX_SIOCGIFADDR: 2479 args->cmd = SIOCGIFADDR; 2480 error = sys_ioctl(td, (struct ioctl_args *)args); 2481 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2482 break; 2483 2484 case LINUX_SIOCSIFADDR: 2485 /* XXX probably doesn't work, included for completeness */ 2486 args->cmd = SIOCSIFADDR; 2487 error = sys_ioctl(td, (struct ioctl_args *)args); 2488 break; 2489 2490 case LINUX_SIOCGIFDSTADDR: 2491 args->cmd = SIOCGIFDSTADDR; 2492 error = sys_ioctl(td, (struct ioctl_args *)args); 2493 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2494 break; 2495 2496 case LINUX_SIOCGIFBRDADDR: 2497 args->cmd = SIOCGIFBRDADDR; 2498 error = sys_ioctl(td, (struct ioctl_args *)args); 2499 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2500 break; 2501 2502 case LINUX_SIOCGIFNETMASK: 2503 args->cmd = SIOCGIFNETMASK; 2504 error = sys_ioctl(td, (struct ioctl_args *)args); 2505 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2506 break; 2507 2508 case LINUX_SIOCSIFNETMASK: 2509 error = ENOIOCTL; 2510 break; 2511 2512 case LINUX_SIOCGIFMTU: 2513 args->cmd = SIOCGIFMTU; 2514 error = sys_ioctl(td, (struct ioctl_args *)args); 2515 break; 2516 2517 case LINUX_SIOCSIFMTU: 2518 args->cmd = SIOCSIFMTU; 2519 error = sys_ioctl(td, (struct ioctl_args *)args); 2520 break; 2521 2522 case LINUX_SIOCSIFNAME: 2523 error = ENOIOCTL; 2524 break; 2525 2526 case LINUX_SIOCGIFHWADDR: 2527 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2528 break; 2529 2530 case LINUX_SIOCSIFHWADDR: 2531 error = ENOIOCTL; 2532 break; 2533 2534 case LINUX_SIOCADDMULTI: 2535 args->cmd = SIOCADDMULTI; 2536 error = sys_ioctl(td, (struct ioctl_args *)args); 2537 break; 2538 2539 case LINUX_SIOCDELMULTI: 2540 args->cmd = SIOCDELMULTI; 2541 error = sys_ioctl(td, (struct ioctl_args *)args); 2542 break; 2543 2544 case LINUX_SIOCGIFINDEX: 2545 args->cmd = SIOCGIFINDEX; 2546 error = sys_ioctl(td, (struct ioctl_args *)args); 2547 break; 2548 2549 case LINUX_SIOCGIFCOUNT: 2550 error = 0; 2551 break; 2552 2553 /* 2554 * XXX This is slightly bogus, but these ioctls are currently 2555 * XXX only used by the aironet (if_an) network driver. 2556 */ 2557 case LINUX_SIOCDEVPRIVATE: 2558 args->cmd = SIOCGPRIVATE_0; 2559 error = sys_ioctl(td, (struct ioctl_args *)args); 2560 break; 2561 2562 case LINUX_SIOCDEVPRIVATE+1: 2563 args->cmd = SIOCGPRIVATE_1; 2564 error = sys_ioctl(td, (struct ioctl_args *)args); 2565 break; 2566 } 2567 2568 if (ifp != NULL) 2569 /* restore the original interface name */ 2570 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2571 2572#ifdef DEBUG 2573 printf("%s(): returning %d\n", __func__, error); 2574#endif 2575 return (error); 2576} 2577 2578/* 2579 * Device private ioctl handler 2580 */ 2581static int 2582linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2583{ 2584 cap_rights_t rights; 2585 struct file *fp; 2586 int error, type; 2587 2588 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2589 if (error != 0) 2590 return (error); 2591 type = fp->f_type; 2592 fdrop(fp, td); 2593 if (type == DTYPE_SOCKET) 2594 return (linux_ioctl_socket(td, args)); 2595 return (ENOIOCTL); 2596} 2597 2598/* 2599 * DRM ioctl handler (sys/dev/drm) 2600 */ 2601static int 2602linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2603{ 2604 args->cmd = SETDIR(args->cmd); 2605 return sys_ioctl(td, (struct ioctl_args *)args); 2606} 2607 2608#ifdef COMPAT_LINUX32 2609#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 2610#define PTRIN_CP(src,dst,fld) \ 2611 do { (dst).fld = PTRIN((src).fld); } while (0) 2612#define PTROUT_CP(src,dst,fld) \ 2613 do { (dst).fld = PTROUT((src).fld); } while (0) 2614 2615static int 2616linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2617{ 2618 struct sg_io_hdr io; 2619 struct sg_io_hdr32 io32; 2620 cap_rights_t rights; 2621 struct file *fp; 2622 int error; 2623 2624 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2625 if (error != 0) { 2626 printf("sg_linux_ioctl: fget returned %d\n", error); 2627 return (error); 2628 } 2629 2630 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2631 goto out; 2632 2633 CP(io32, io, interface_id); 2634 CP(io32, io, dxfer_direction); 2635 CP(io32, io, cmd_len); 2636 CP(io32, io, mx_sb_len); 2637 CP(io32, io, iovec_count); 2638 CP(io32, io, dxfer_len); 2639 PTRIN_CP(io32, io, dxferp); 2640 PTRIN_CP(io32, io, cmdp); 2641 PTRIN_CP(io32, io, sbp); 2642 CP(io32, io, timeout); 2643 CP(io32, io, flags); 2644 CP(io32, io, pack_id); 2645 PTRIN_CP(io32, io, usr_ptr); 2646 CP(io32, io, status); 2647 CP(io32, io, masked_status); 2648 CP(io32, io, msg_status); 2649 CP(io32, io, sb_len_wr); 2650 CP(io32, io, host_status); 2651 CP(io32, io, driver_status); 2652 CP(io32, io, resid); 2653 CP(io32, io, duration); 2654 CP(io32, io, info); 2655 2656 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2657 goto out; 2658 2659 CP(io, io32, interface_id); 2660 CP(io, io32, dxfer_direction); 2661 CP(io, io32, cmd_len); 2662 CP(io, io32, mx_sb_len); 2663 CP(io, io32, iovec_count); 2664 CP(io, io32, dxfer_len); 2665 PTROUT_CP(io, io32, dxferp); 2666 PTROUT_CP(io, io32, cmdp); 2667 PTROUT_CP(io, io32, sbp); 2668 CP(io, io32, timeout); 2669 CP(io, io32, flags); 2670 CP(io, io32, pack_id); 2671 PTROUT_CP(io, io32, usr_ptr); 2672 CP(io, io32, status); 2673 CP(io, io32, masked_status); 2674 CP(io, io32, msg_status); 2675 CP(io, io32, sb_len_wr); 2676 CP(io, io32, host_status); 2677 CP(io, io32, driver_status); 2678 CP(io, io32, resid); 2679 CP(io, io32, duration); 2680 CP(io, io32, info); 2681 2682 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2683 2684out: 2685 fdrop(fp, td); 2686 return (error); 2687} 2688#endif 2689 2690static int 2691linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2692{ 2693 2694 switch (args->cmd) { 2695 case LINUX_SG_GET_VERSION_NUM: 2696 args->cmd = SG_GET_VERSION_NUM; 2697 break; 2698 case LINUX_SG_SET_TIMEOUT: 2699 args->cmd = SG_SET_TIMEOUT; 2700 break; 2701 case LINUX_SG_GET_TIMEOUT: 2702 args->cmd = SG_GET_TIMEOUT; 2703 break; 2704 case LINUX_SG_IO: 2705 args->cmd = SG_IO; 2706#ifdef COMPAT_LINUX32 2707 return (linux_ioctl_sg_io(td, args)); 2708#endif 2709 break; 2710 case LINUX_SG_GET_RESERVED_SIZE: 2711 args->cmd = SG_GET_RESERVED_SIZE; 2712 break; 2713 case LINUX_SG_GET_SCSI_ID: 2714 args->cmd = SG_GET_SCSI_ID; 2715 break; 2716 case LINUX_SG_GET_SG_TABLESIZE: 2717 args->cmd = SG_GET_SG_TABLESIZE; 2718 break; 2719 default: 2720 return (ENODEV); 2721 } 2722 return (sys_ioctl(td, (struct ioctl_args *)args)); 2723} 2724 2725/* 2726 * Video4Linux (V4L) ioctl handler 2727 */ 2728static int 2729linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2730{ 2731 vt->tuner = lvt->tuner; 2732 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2733 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2734 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2735 vt->flags = lvt->flags; 2736 vt->mode = lvt->mode; 2737 vt->signal = lvt->signal; 2738 return (0); 2739} 2740 2741static int 2742bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2743{ 2744 lvt->tuner = vt->tuner; 2745 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2746 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2747 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2748 lvt->flags = vt->flags; 2749 lvt->mode = vt->mode; 2750 lvt->signal = vt->signal; 2751 return (0); 2752} 2753 2754#ifdef COMPAT_LINUX_V4L_CLIPLIST 2755static int 2756linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2757{ 2758 vc->x = lvc->x; 2759 vc->y = lvc->y; 2760 vc->width = lvc->width; 2761 vc->height = lvc->height; 2762 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2763 return (0); 2764} 2765#endif 2766 2767static int 2768linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2769{ 2770 vw->x = lvw->x; 2771 vw->y = lvw->y; 2772 vw->width = lvw->width; 2773 vw->height = lvw->height; 2774 vw->chromakey = lvw->chromakey; 2775 vw->flags = lvw->flags; 2776 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2777 vw->clipcount = lvw->clipcount; 2778 return (0); 2779} 2780 2781static int 2782bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2783{ 2784 lvw->x = vw->x; 2785 lvw->y = vw->y; 2786 lvw->width = vw->width; 2787 lvw->height = vw->height; 2788 lvw->chromakey = vw->chromakey; 2789 lvw->flags = vw->flags; 2790 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2791 lvw->clipcount = vw->clipcount; 2792 return (0); 2793} 2794 2795static int 2796linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2797{ 2798 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2799 vb->height = lvb->height; 2800 vb->width = lvb->width; 2801 vb->depth = lvb->depth; 2802 vb->bytesperline = lvb->bytesperline; 2803 return (0); 2804} 2805 2806static int 2807bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2808{ 2809 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2810 lvb->height = vb->height; 2811 lvb->width = vb->width; 2812 lvb->depth = vb->depth; 2813 lvb->bytesperline = vb->bytesperline; 2814 return (0); 2815} 2816 2817static int 2818linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2819{ 2820 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2821 vc->datasize = lvc->datasize; 2822 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2823 return (0); 2824} 2825 2826#ifdef COMPAT_LINUX_V4L_CLIPLIST 2827static int 2828linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2829{ 2830 int error; 2831 struct video_clip vclip; 2832 struct l_video_clip l_vclip; 2833 2834 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2835 if (error) return (error); 2836 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2837 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2838 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2839 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2840 memcpy(*ppvc, &vclip, sizeof(vclip)); 2841 (*ppvc)->next = NULL; 2842 return (0); 2843} 2844 2845static int 2846linux_v4l_cliplist_free(struct video_window *vw) 2847{ 2848 struct video_clip **ppvc; 2849 struct video_clip **ppvc_next; 2850 2851 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2852 ppvc_next = &((*ppvc)->next); 2853 free(*ppvc, M_LINUX); 2854 } 2855 vw->clips = NULL; 2856 2857 return (0); 2858} 2859 2860static int 2861linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2862{ 2863 int error; 2864 int clipcount; 2865 void *plvc; 2866 struct video_clip **ppvc; 2867 2868 /* 2869 * XXX: The cliplist is used to pass in a list of clipping 2870 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2871 * clipping bitmap. Some Linux apps, however, appear to 2872 * leave cliplist and clips uninitialized. In any case, 2873 * the cliplist is not used by pwc(4), at the time of 2874 * writing, FreeBSD's only V4L driver. When a driver 2875 * that uses the cliplist is developed, this code may 2876 * need re-examiniation. 2877 */ 2878 error = 0; 2879 clipcount = vw->clipcount; 2880 if (clipcount == VIDEO_CLIP_BITMAP) { 2881 /* 2882 * In this case, the pointer (clips) is overloaded 2883 * to be a "void *" to a bitmap, therefore there 2884 * is no struct video_clip to copy now. 2885 */ 2886 } else if (clipcount > 0 && clipcount <= 16384) { 2887 /* 2888 * Clips points to list of clip rectangles, so 2889 * copy the list. 2890 * 2891 * XXX: Upper limit of 16384 was used here to try to 2892 * avoid cases when clipcount and clips pointer 2893 * are uninitialized and therefore have high random 2894 * values, as is the case in the Linux Skype 2895 * application. The value 16384 was chosen as that 2896 * is what is used in the Linux stradis(4) MPEG 2897 * decoder driver, the only place we found an 2898 * example of cliplist use. 2899 */ 2900 plvc = PTRIN(lvw->clips); 2901 vw->clips = NULL; 2902 ppvc = &(vw->clips); 2903 while (clipcount-- > 0) { 2904 if (plvc == 0) { 2905 error = EFAULT; 2906 break; 2907 } else { 2908 error = linux_v4l_clip_copy(plvc, ppvc); 2909 if (error) { 2910 linux_v4l_cliplist_free(vw); 2911 break; 2912 } 2913 } 2914 ppvc = &((*ppvc)->next); 2915 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2916 } 2917 } else { 2918 /* 2919 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2920 * Force cliplist to null. 2921 */ 2922 vw->clipcount = 0; 2923 vw->clips = NULL; 2924 } 2925 return (error); 2926} 2927#endif 2928 2929static int 2930linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2931{ 2932 cap_rights_t rights; 2933 struct file *fp; 2934 int error; 2935 struct video_tuner vtun; 2936 struct video_window vwin; 2937 struct video_buffer vbuf; 2938 struct video_code vcode; 2939 struct l_video_tuner l_vtun; 2940 struct l_video_window l_vwin; 2941 struct l_video_buffer l_vbuf; 2942 struct l_video_code l_vcode; 2943 2944 switch (args->cmd & 0xffff) { 2945 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2946 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2947 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2948 2949 case LINUX_VIDIOCGTUNER: 2950 error = fget(td, args->fd, 2951 cap_rights_init(&rights, CAP_IOCTL), &fp); 2952 if (error != 0) 2953 return (error); 2954 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2955 if (error) { 2956 fdrop(fp, td); 2957 return (error); 2958 } 2959 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2960 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2961 if (!error) { 2962 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2963 error = copyout(&l_vtun, (void *) args->arg, 2964 sizeof(l_vtun)); 2965 } 2966 fdrop(fp, td); 2967 return (error); 2968 2969 case LINUX_VIDIOCSTUNER: 2970 error = fget(td, args->fd, 2971 cap_rights_init(&rights, CAP_IOCTL), &fp); 2972 if (error != 0) 2973 return (error); 2974 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2975 if (error) { 2976 fdrop(fp, td); 2977 return (error); 2978 } 2979 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2980 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2981 fdrop(fp, td); 2982 return (error); 2983 2984 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2985 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2986 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2987 2988 case LINUX_VIDIOCGWIN: 2989 error = fget(td, args->fd, 2990 cap_rights_init(&rights, CAP_IOCTL), &fp); 2991 if (error != 0) 2992 return (error); 2993 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2994 if (!error) { 2995 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2996 error = copyout(&l_vwin, (void *) args->arg, 2997 sizeof(l_vwin)); 2998 } 2999 fdrop(fp, td); 3000 return (error); 3001 3002 case LINUX_VIDIOCSWIN: 3003 error = fget(td, args->fd, 3004 cap_rights_init(&rights, CAP_IOCTL), &fp); 3005 if (error != 0) 3006 return (error); 3007 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 3008 if (error) { 3009 fdrop(fp, td); 3010 return (error); 3011 } 3012 linux_to_bsd_v4l_window(&l_vwin, &vwin); 3013#ifdef COMPAT_LINUX_V4L_CLIPLIST 3014 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 3015 if (error) { 3016 fdrop(fp, td); 3017 return (error); 3018 } 3019#endif 3020 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 3021 fdrop(fp, td); 3022#ifdef COMPAT_LINUX_V4L_CLIPLIST 3023 linux_v4l_cliplist_free(&vwin); 3024#endif 3025 return (error); 3026 3027 case LINUX_VIDIOCGFBUF: 3028 error = fget(td, args->fd, 3029 cap_rights_init(&rights, CAP_IOCTL), &fp); 3030 if (error != 0) 3031 return (error); 3032 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 3033 if (!error) { 3034 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 3035 error = copyout(&l_vbuf, (void *) args->arg, 3036 sizeof(l_vbuf)); 3037 } 3038 fdrop(fp, td); 3039 return (error); 3040 3041 case LINUX_VIDIOCSFBUF: 3042 error = fget(td, args->fd, 3043 cap_rights_init(&rights, CAP_IOCTL), &fp); 3044 if (error != 0) 3045 return (error); 3046 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 3047 if (error) { 3048 fdrop(fp, td); 3049 return (error); 3050 } 3051 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3052 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3053 fdrop(fp, td); 3054 return (error); 3055 3056 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3057 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3058 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3059 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3060 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3061 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3062 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3063 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3064 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3065 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3066 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3067 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3068 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3069 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3070 3071 case LINUX_VIDIOCSMICROCODE: 3072 error = fget(td, args->fd, 3073 cap_rights_init(&rights, CAP_IOCTL), &fp); 3074 if (error != 0) 3075 return (error); 3076 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3077 if (error) { 3078 fdrop(fp, td); 3079 return (error); 3080 } 3081 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3082 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3083 fdrop(fp, td); 3084 return (error); 3085 3086 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3087 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3088 default: return (ENOIOCTL); 3089 } 3090 3091 error = sys_ioctl(td, (struct ioctl_args *)args); 3092 return (error); 3093} 3094 3095/* 3096 * Special ioctl handler 3097 */ 3098static int 3099linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3100{ 3101 int error; 3102 3103 switch (args->cmd) { 3104 case LINUX_SIOCGIFADDR: 3105 args->cmd = SIOCGIFADDR; 3106 error = sys_ioctl(td, (struct ioctl_args *)args); 3107 break; 3108 case LINUX_SIOCSIFADDR: 3109 args->cmd = SIOCSIFADDR; 3110 error = sys_ioctl(td, (struct ioctl_args *)args); 3111 break; 3112 case LINUX_SIOCGIFFLAGS: 3113 args->cmd = SIOCGIFFLAGS; 3114 error = sys_ioctl(td, (struct ioctl_args *)args); 3115 break; 3116 default: 3117 error = ENOIOCTL; 3118 } 3119 3120 return (error); 3121} 3122 3123static int 3124linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3125{ 3126 vstd->index = lvstd->index; 3127 vstd->id = lvstd->id; 3128 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3129 return (0); 3130} 3131 3132static int 3133bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3134{ 3135 lvstd->index = vstd->index; 3136 lvstd->id = vstd->id; 3137 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3138 return (0); 3139} 3140 3141static int 3142linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3143{ 3144 vb->index = lvb->index; 3145 vb->type = lvb->type; 3146 vb->bytesused = lvb->bytesused; 3147 vb->flags = lvb->flags; 3148 vb->field = lvb->field; 3149 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3150 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3151 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3152 vb->sequence = lvb->sequence; 3153 vb->memory = lvb->memory; 3154 if (lvb->memory == V4L2_MEMORY_USERPTR) 3155 /* possible pointer size conversion */ 3156 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3157 else 3158 vb->m.offset = lvb->m.offset; 3159 vb->length = lvb->length; 3160 vb->input = lvb->input; 3161 vb->reserved = lvb->reserved; 3162 return (0); 3163} 3164 3165static int 3166bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3167{ 3168 lvb->index = vb->index; 3169 lvb->type = vb->type; 3170 lvb->bytesused = vb->bytesused; 3171 lvb->flags = vb->flags; 3172 lvb->field = vb->field; 3173 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3174 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3175 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3176 lvb->sequence = vb->sequence; 3177 lvb->memory = vb->memory; 3178 if (vb->memory == V4L2_MEMORY_USERPTR) 3179 /* possible pointer size conversion */ 3180 lvb->m.userptr = PTROUT(vb->m.userptr); 3181 else 3182 lvb->m.offset = vb->m.offset; 3183 lvb->length = vb->length; 3184 lvb->input = vb->input; 3185 lvb->reserved = vb->reserved; 3186 return (0); 3187} 3188 3189static int 3190linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3191{ 3192 vf->type = lvf->type; 3193 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3194#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3195 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3196#endif 3197 ) 3198 /* 3199 * XXX TODO - needs 32 -> 64 bit conversion: 3200 * (unused by webcams?) 3201 */ 3202 return EINVAL; 3203 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3204 return 0; 3205} 3206 3207static int 3208bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3209{ 3210 lvf->type = vf->type; 3211 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3212#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3213 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3214#endif 3215 ) 3216 /* 3217 * XXX TODO - needs 32 -> 64 bit conversion: 3218 * (unused by webcams?) 3219 */ 3220 return EINVAL; 3221 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3222 return 0; 3223} 3224static int 3225linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3226{ 3227 cap_rights_t rights; 3228 struct file *fp; 3229 int error; 3230 struct v4l2_format vformat; 3231 struct l_v4l2_format l_vformat; 3232 struct v4l2_standard vstd; 3233 struct l_v4l2_standard l_vstd; 3234 struct l_v4l2_buffer l_vbuf; 3235 struct v4l2_buffer vbuf; 3236 struct v4l2_input vinp; 3237 3238 switch (args->cmd & 0xffff) { 3239 case LINUX_VIDIOC_RESERVED: 3240 case LINUX_VIDIOC_LOG_STATUS: 3241 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3242 return ENOIOCTL; 3243 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3244 break; 3245 3246 case LINUX_VIDIOC_OVERLAY: 3247 case LINUX_VIDIOC_STREAMON: 3248 case LINUX_VIDIOC_STREAMOFF: 3249 case LINUX_VIDIOC_S_STD: 3250 case LINUX_VIDIOC_S_TUNER: 3251 case LINUX_VIDIOC_S_AUDIO: 3252 case LINUX_VIDIOC_S_AUDOUT: 3253 case LINUX_VIDIOC_S_MODULATOR: 3254 case LINUX_VIDIOC_S_FREQUENCY: 3255 case LINUX_VIDIOC_S_CROP: 3256 case LINUX_VIDIOC_S_JPEGCOMP: 3257 case LINUX_VIDIOC_S_PRIORITY: 3258 case LINUX_VIDIOC_DBG_S_REGISTER: 3259 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3260 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3261 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3262 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3263 break; 3264 3265 case LINUX_VIDIOC_QUERYCAP: 3266 case LINUX_VIDIOC_G_STD: 3267 case LINUX_VIDIOC_G_AUDIO: 3268 case LINUX_VIDIOC_G_INPUT: 3269 case LINUX_VIDIOC_G_OUTPUT: 3270 case LINUX_VIDIOC_G_AUDOUT: 3271 case LINUX_VIDIOC_G_JPEGCOMP: 3272 case LINUX_VIDIOC_QUERYSTD: 3273 case LINUX_VIDIOC_G_PRIORITY: 3274 case LINUX_VIDIOC_QUERY_DV_PRESET: 3275 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3276 break; 3277 3278 case LINUX_VIDIOC_ENUM_FMT: 3279 case LINUX_VIDIOC_REQBUFS: 3280 case LINUX_VIDIOC_G_PARM: 3281 case LINUX_VIDIOC_S_PARM: 3282 case LINUX_VIDIOC_G_CTRL: 3283 case LINUX_VIDIOC_S_CTRL: 3284 case LINUX_VIDIOC_G_TUNER: 3285 case LINUX_VIDIOC_QUERYCTRL: 3286 case LINUX_VIDIOC_QUERYMENU: 3287 case LINUX_VIDIOC_S_INPUT: 3288 case LINUX_VIDIOC_S_OUTPUT: 3289 case LINUX_VIDIOC_ENUMOUTPUT: 3290 case LINUX_VIDIOC_G_MODULATOR: 3291 case LINUX_VIDIOC_G_FREQUENCY: 3292 case LINUX_VIDIOC_CROPCAP: 3293 case LINUX_VIDIOC_G_CROP: 3294 case LINUX_VIDIOC_ENUMAUDIO: 3295 case LINUX_VIDIOC_ENUMAUDOUT: 3296 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3297#ifdef VIDIOC_ENUM_FRAMESIZES 3298 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3299 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3300 case LINUX_VIDIOC_ENCODER_CMD: 3301 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3302#endif 3303 case LINUX_VIDIOC_DBG_G_REGISTER: 3304 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3305 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3306 case LINUX_VIDIOC_S_DV_PRESET: 3307 case LINUX_VIDIOC_G_DV_PRESET: 3308 case LINUX_VIDIOC_S_DV_TIMINGS: 3309 case LINUX_VIDIOC_G_DV_TIMINGS: 3310 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3311 break; 3312 3313 case LINUX_VIDIOC_G_FMT: 3314 case LINUX_VIDIOC_S_FMT: 3315 case LINUX_VIDIOC_TRY_FMT: 3316 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3317 if (error) 3318 return (error); 3319 error = fget(td, args->fd, 3320 cap_rights_init(&rights, CAP_IOCTL), &fp); 3321 if (error) 3322 return (error); 3323 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3324 error = EINVAL; 3325 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3326 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3327 td->td_ucred, td); 3328 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3329 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3330 td->td_ucred, td); 3331 else 3332 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3333 td->td_ucred, td); 3334 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3335 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3336 fdrop(fp, td); 3337 return (error); 3338 3339 case LINUX_VIDIOC_ENUMSTD: 3340 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3341 if (error) 3342 return (error); 3343 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3344 error = fget(td, args->fd, 3345 cap_rights_init(&rights, CAP_IOCTL), &fp); 3346 if (error) 3347 return (error); 3348 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3349 td->td_ucred, td); 3350 if (error) { 3351 fdrop(fp, td); 3352 return (error); 3353 } 3354 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3355 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3356 fdrop(fp, td); 3357 return (error); 3358 3359 case LINUX_VIDIOC_ENUMINPUT: 3360 /* 3361 * The Linux struct l_v4l2_input differs only in size, 3362 * it has no padding at the end. 3363 */ 3364 error = copyin((void *)args->arg, &vinp, 3365 sizeof(struct l_v4l2_input)); 3366 if (error != 0) 3367 return (error); 3368 error = fget(td, args->fd, 3369 cap_rights_init(&rights, CAP_IOCTL), &fp); 3370 if (error != 0) 3371 return (error); 3372 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3373 td->td_ucred, td); 3374 if (error) { 3375 fdrop(fp, td); 3376 return (error); 3377 } 3378 error = copyout(&vinp, (void *)args->arg, 3379 sizeof(struct l_v4l2_input)); 3380 fdrop(fp, td); 3381 return (error); 3382 3383 case LINUX_VIDIOC_QUERYBUF: 3384 case LINUX_VIDIOC_QBUF: 3385 case LINUX_VIDIOC_DQBUF: 3386 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3387 if (error) 3388 return (error); 3389 error = fget(td, args->fd, 3390 cap_rights_init(&rights, CAP_IOCTL), &fp); 3391 if (error) 3392 return (error); 3393 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3394 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3395 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3396 td->td_ucred, td); 3397 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3398 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3399 td->td_ucred, td); 3400 else 3401 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3402 td->td_ucred, td); 3403 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3404 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3405 fdrop(fp, td); 3406 return (error); 3407 3408 /* 3409 * XXX TODO - these need 32 -> 64 bit conversion: 3410 * (are any of them needed for webcams?) 3411 */ 3412 case LINUX_VIDIOC_G_FBUF: 3413 case LINUX_VIDIOC_S_FBUF: 3414 3415 case LINUX_VIDIOC_G_EXT_CTRLS: 3416 case LINUX_VIDIOC_S_EXT_CTRLS: 3417 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3418 3419 case LINUX_VIDIOC_DQEVENT: 3420 3421 default: return (ENOIOCTL); 3422 } 3423 3424 error = sys_ioctl(td, (struct ioctl_args *)args); 3425 return (error); 3426} 3427 3428/* 3429 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3430 * instead of USB* ones. This lets us to provide correct values for cmd. 3431 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3432 */ 3433static int 3434linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3435{ 3436 int error; 3437 3438 error = 0; 3439 switch (args->cmd) { 3440 case FBSD_LUSB_DEVICEENUMERATE: 3441 args->cmd = USB_DEVICEENUMERATE; 3442 break; 3443 case FBSD_LUSB_DEV_QUIRK_ADD: 3444 args->cmd = USB_DEV_QUIRK_ADD; 3445 break; 3446 case FBSD_LUSB_DEV_QUIRK_GET: 3447 args->cmd = USB_DEV_QUIRK_GET; 3448 break; 3449 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3450 args->cmd = USB_DEV_QUIRK_REMOVE; 3451 break; 3452 case FBSD_LUSB_DO_REQUEST: 3453 args->cmd = USB_DO_REQUEST; 3454 break; 3455 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3456 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3457 break; 3458 case FBSD_LUSB_FS_CLOSE: 3459 args->cmd = USB_FS_CLOSE; 3460 break; 3461 case FBSD_LUSB_FS_COMPLETE: 3462 args->cmd = USB_FS_COMPLETE; 3463 break; 3464 case FBSD_LUSB_FS_INIT: 3465 args->cmd = USB_FS_INIT; 3466 break; 3467 case FBSD_LUSB_FS_OPEN: 3468 args->cmd = USB_FS_OPEN; 3469 break; 3470 case FBSD_LUSB_FS_START: 3471 args->cmd = USB_FS_START; 3472 break; 3473 case FBSD_LUSB_FS_STOP: 3474 args->cmd = USB_FS_STOP; 3475 break; 3476 case FBSD_LUSB_FS_UNINIT: 3477 args->cmd = USB_FS_UNINIT; 3478 break; 3479 case FBSD_LUSB_GET_CONFIG: 3480 args->cmd = USB_GET_CONFIG; 3481 break; 3482 case FBSD_LUSB_GET_DEVICEINFO: 3483 args->cmd = USB_GET_DEVICEINFO; 3484 break; 3485 case FBSD_LUSB_GET_DEVICE_DESC: 3486 args->cmd = USB_GET_DEVICE_DESC; 3487 break; 3488 case FBSD_LUSB_GET_FULL_DESC: 3489 args->cmd = USB_GET_FULL_DESC; 3490 break; 3491 case FBSD_LUSB_GET_IFACE_DRIVER: 3492 args->cmd = USB_GET_IFACE_DRIVER; 3493 break; 3494 case FBSD_LUSB_GET_PLUGTIME: 3495 args->cmd = USB_GET_PLUGTIME; 3496 break; 3497 case FBSD_LUSB_GET_POWER_MODE: 3498 args->cmd = USB_GET_POWER_MODE; 3499 break; 3500 case FBSD_LUSB_GET_REPORT_DESC: 3501 args->cmd = USB_GET_REPORT_DESC; 3502 break; 3503 case FBSD_LUSB_GET_REPORT_ID: 3504 args->cmd = USB_GET_REPORT_ID; 3505 break; 3506 case FBSD_LUSB_GET_TEMPLATE: 3507 args->cmd = USB_GET_TEMPLATE; 3508 break; 3509 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3510 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3511 break; 3512 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3513 args->cmd = USB_IFACE_DRIVER_DETACH; 3514 break; 3515 case FBSD_LUSB_QUIRK_NAME_GET: 3516 args->cmd = USB_QUIRK_NAME_GET; 3517 break; 3518 case FBSD_LUSB_READ_DIR: 3519 args->cmd = USB_READ_DIR; 3520 break; 3521 case FBSD_LUSB_SET_ALTINTERFACE: 3522 args->cmd = USB_SET_ALTINTERFACE; 3523 break; 3524 case FBSD_LUSB_SET_CONFIG: 3525 args->cmd = USB_SET_CONFIG; 3526 break; 3527 case FBSD_LUSB_SET_IMMED: 3528 args->cmd = USB_SET_IMMED; 3529 break; 3530 case FBSD_LUSB_SET_POWER_MODE: 3531 args->cmd = USB_SET_POWER_MODE; 3532 break; 3533 case FBSD_LUSB_SET_TEMPLATE: 3534 args->cmd = USB_SET_TEMPLATE; 3535 break; 3536 case FBSD_LUSB_FS_OPEN_STREAM: 3537 args->cmd = USB_FS_OPEN_STREAM; 3538 break; 3539 case FBSD_LUSB_GET_DEV_PORT_PATH: 3540 args->cmd = USB_GET_DEV_PORT_PATH; 3541 break; 3542 case FBSD_LUSB_GET_POWER_USAGE: 3543 args->cmd = USB_GET_POWER_USAGE; 3544 break; 3545 default: 3546 error = ENOIOCTL; 3547 } 3548 if (error != ENOIOCTL) 3549 error = sys_ioctl(td, (struct ioctl_args *)args); 3550 return (error); 3551} 3552 3553/* 3554 * main ioctl syscall function 3555 */ 3556 3557int 3558linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3559{ 3560 cap_rights_t rights; 3561 struct file *fp; 3562 struct handler_element *he; 3563 int error, cmd; 3564 3565#ifdef DEBUG 3566 if (ldebug(ioctl)) 3567 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3568 (unsigned long)args->cmd); 3569#endif 3570 3571 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 3572 if (error != 0) 3573 return (error); 3574 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3575 fdrop(fp, td); 3576 return (EBADF); 3577 } 3578 3579 /* Iterate over the ioctl handlers */ 3580 cmd = args->cmd & 0xffff; 3581 sx_slock(&linux_ioctl_sx); 3582 mtx_lock(&Giant); 3583 TAILQ_FOREACH(he, &handlers, list) { 3584 if (cmd >= he->low && cmd <= he->high) { 3585 error = (*he->func)(td, args); 3586 if (error != ENOIOCTL) { 3587 mtx_unlock(&Giant); 3588 sx_sunlock(&linux_ioctl_sx); 3589 fdrop(fp, td); 3590 return (error); 3591 } 3592 } 3593 } 3594 mtx_unlock(&Giant); 3595 sx_sunlock(&linux_ioctl_sx); 3596 fdrop(fp, td); 3597 3598 switch (args->cmd & 0xffff) { 3599 case LINUX_BTRFS_IOC_CLONE: 3600 return (ENOTSUP); 3601 3602 default: 3603 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3604 args->fd, (int)(args->cmd & 0xffff), 3605 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3606 break; 3607 } 3608 3609 return (EINVAL); 3610} 3611 3612int 3613linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3614{ 3615 struct handler_element *he, *cur; 3616 3617 if (h == NULL || h->func == NULL) 3618 return (EINVAL); 3619 3620 /* 3621 * Reuse the element if the handler is already on the list, otherwise 3622 * create a new element. 3623 */ 3624 sx_xlock(&linux_ioctl_sx); 3625 TAILQ_FOREACH(he, &handlers, list) { 3626 if (he->func == h->func) 3627 break; 3628 } 3629 if (he == NULL) { 3630 he = malloc(sizeof(*he), 3631 M_LINUX, M_WAITOK); 3632 he->func = h->func; 3633 } else 3634 TAILQ_REMOVE(&handlers, he, list); 3635 3636 /* Initialize range information. */ 3637 he->low = h->low; 3638 he->high = h->high; 3639 he->span = h->high - h->low + 1; 3640 3641 /* Add the element to the list, sorted on span. */ 3642 TAILQ_FOREACH(cur, &handlers, list) { 3643 if (cur->span > he->span) { 3644 TAILQ_INSERT_BEFORE(cur, he, list); 3645 sx_xunlock(&linux_ioctl_sx); 3646 return (0); 3647 } 3648 } 3649 TAILQ_INSERT_TAIL(&handlers, he, list); 3650 sx_xunlock(&linux_ioctl_sx); 3651 3652 return (0); 3653} 3654 3655int 3656linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3657{ 3658 struct handler_element *he; 3659 3660 if (h == NULL || h->func == NULL) 3661 return (EINVAL); 3662 3663 sx_xlock(&linux_ioctl_sx); 3664 TAILQ_FOREACH(he, &handlers, list) { 3665 if (he->func == h->func) { 3666 TAILQ_REMOVE(&handlers, he, list); 3667 sx_xunlock(&linux_ioctl_sx); 3668 free(he, M_LINUX); 3669 return (0); 3670 } 3671 } 3672 sx_xunlock(&linux_ioctl_sx); 3673 3674 return (EINVAL); 3675} 3676