linux_ioctl.c revision 301054
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 301054 2016-05-31 16:57:42Z glebius $"); 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; 918 919 bzero(&lss, sizeof(lss)); 920 lss.type = LINUX_PORT_16550A; 921 lss.flags = 0; 922 lss.close_delay = 0; 923 error = copyout(&lss, (void *)args->arg, sizeof(lss)); 924 break; 925 } 926 927 case LINUX_TIOCSSERIAL: { 928 struct linux_serial_struct lss; 929 error = copyin((void *)args->arg, &lss, sizeof(lss)); 930 if (error) 931 break; 932 /* XXX - It really helps to have an implementation that 933 * does nothing. NOT! 934 */ 935 error = 0; 936 break; 937 } 938 939 case LINUX_TIOCPKT: 940 args->cmd = TIOCPKT; 941 error = (sys_ioctl(td, (struct ioctl_args *)args)); 942 break; 943 944 case LINUX_FIONBIO: 945 args->cmd = FIONBIO; 946 error = (sys_ioctl(td, (struct ioctl_args *)args)); 947 break; 948 949 case LINUX_TIOCNOTTY: 950 args->cmd = TIOCNOTTY; 951 error = (sys_ioctl(td, (struct ioctl_args *)args)); 952 break; 953 954 case LINUX_TIOCSETD: { 955 int line; 956 switch (args->arg) { 957 case LINUX_N_TTY: 958 line = TTYDISC; 959 break; 960 case LINUX_N_SLIP: 961 line = SLIPDISC; 962 break; 963 case LINUX_N_PPP: 964 line = PPPDISC; 965 break; 966 default: 967 fdrop(fp, td); 968 return (EINVAL); 969 } 970 error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, 971 td)); 972 break; 973 } 974 975 case LINUX_TIOCGETD: { 976 int linux_line; 977 int bsd_line = TTYDISC; 978 error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, 979 td->td_ucred, td); 980 if (error) 981 return (error); 982 switch (bsd_line) { 983 case TTYDISC: 984 linux_line = LINUX_N_TTY; 985 break; 986 case SLIPDISC: 987 linux_line = LINUX_N_SLIP; 988 break; 989 case PPPDISC: 990 linux_line = LINUX_N_PPP; 991 break; 992 default: 993 fdrop(fp, td); 994 return (EINVAL); 995 } 996 error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); 997 break; 998 } 999 1000 /* LINUX_TCSBRKP */ 1001 /* LINUX_TIOCTTYGSTRUCT */ 1002 1003 case LINUX_FIONCLEX: 1004 args->cmd = FIONCLEX; 1005 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1006 break; 1007 1008 case LINUX_FIOCLEX: 1009 args->cmd = FIOCLEX; 1010 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1011 break; 1012 1013 case LINUX_FIOASYNC: 1014 args->cmd = FIOASYNC; 1015 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1016 break; 1017 1018 /* LINUX_TIOCSERCONFIG */ 1019 /* LINUX_TIOCSERGWILD */ 1020 /* LINUX_TIOCSERSWILD */ 1021 /* LINUX_TIOCGLCKTRMIOS */ 1022 /* LINUX_TIOCSLCKTRMIOS */ 1023 1024 case LINUX_TIOCSBRK: 1025 args->cmd = TIOCSBRK; 1026 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1027 break; 1028 1029 case LINUX_TIOCCBRK: 1030 args->cmd = TIOCCBRK; 1031 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1032 break; 1033 case LINUX_TIOCGPTN: { 1034 int nb; 1035 1036 error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); 1037 if (!error) 1038 error = copyout(&nb, (void *)args->arg, 1039 sizeof(int)); 1040 break; 1041 } 1042 case LINUX_TIOCSPTLCK: 1043 /* Our unlockpt() does nothing. */ 1044 error = 0; 1045 break; 1046 default: 1047 error = ENOIOCTL; 1048 break; 1049 } 1050 1051 fdrop(fp, td); 1052 return (error); 1053} 1054 1055/* 1056 * CDROM related ioctls 1057 */ 1058 1059struct linux_cdrom_msf 1060{ 1061 u_char cdmsf_min0; 1062 u_char cdmsf_sec0; 1063 u_char cdmsf_frame0; 1064 u_char cdmsf_min1; 1065 u_char cdmsf_sec1; 1066 u_char cdmsf_frame1; 1067}; 1068 1069struct linux_cdrom_tochdr 1070{ 1071 u_char cdth_trk0; 1072 u_char cdth_trk1; 1073}; 1074 1075union linux_cdrom_addr 1076{ 1077 struct { 1078 u_char minute; 1079 u_char second; 1080 u_char frame; 1081 } msf; 1082 int lba; 1083}; 1084 1085struct linux_cdrom_tocentry 1086{ 1087 u_char cdte_track; 1088 u_char cdte_adr:4; 1089 u_char cdte_ctrl:4; 1090 u_char cdte_format; 1091 union linux_cdrom_addr cdte_addr; 1092 u_char cdte_datamode; 1093}; 1094 1095struct linux_cdrom_subchnl 1096{ 1097 u_char cdsc_format; 1098 u_char cdsc_audiostatus; 1099 u_char cdsc_adr:4; 1100 u_char cdsc_ctrl:4; 1101 u_char cdsc_trk; 1102 u_char cdsc_ind; 1103 union linux_cdrom_addr cdsc_absaddr; 1104 union linux_cdrom_addr cdsc_reladdr; 1105}; 1106 1107struct l_cdrom_read_audio { 1108 union linux_cdrom_addr addr; 1109 u_char addr_format; 1110 l_int nframes; 1111 u_char *buf; 1112}; 1113 1114struct l_dvd_layer { 1115 u_char book_version:4; 1116 u_char book_type:4; 1117 u_char min_rate:4; 1118 u_char disc_size:4; 1119 u_char layer_type:4; 1120 u_char track_path:1; 1121 u_char nlayers:2; 1122 u_char track_density:4; 1123 u_char linear_density:4; 1124 u_char bca:1; 1125 u_int32_t start_sector; 1126 u_int32_t end_sector; 1127 u_int32_t end_sector_l0; 1128}; 1129 1130struct l_dvd_physical { 1131 u_char type; 1132 u_char layer_num; 1133 struct l_dvd_layer layer[4]; 1134}; 1135 1136struct l_dvd_copyright { 1137 u_char type; 1138 u_char layer_num; 1139 u_char cpst; 1140 u_char rmi; 1141}; 1142 1143struct l_dvd_disckey { 1144 u_char type; 1145 l_uint agid:2; 1146 u_char value[2048]; 1147}; 1148 1149struct l_dvd_bca { 1150 u_char type; 1151 l_int len; 1152 u_char value[188]; 1153}; 1154 1155struct l_dvd_manufact { 1156 u_char type; 1157 u_char layer_num; 1158 l_int len; 1159 u_char value[2048]; 1160}; 1161 1162typedef union { 1163 u_char type; 1164 struct l_dvd_physical physical; 1165 struct l_dvd_copyright copyright; 1166 struct l_dvd_disckey disckey; 1167 struct l_dvd_bca bca; 1168 struct l_dvd_manufact manufact; 1169} l_dvd_struct; 1170 1171typedef u_char l_dvd_key[5]; 1172typedef u_char l_dvd_challenge[10]; 1173 1174struct l_dvd_lu_send_agid { 1175 u_char type; 1176 l_uint agid:2; 1177}; 1178 1179struct l_dvd_host_send_challenge { 1180 u_char type; 1181 l_uint agid:2; 1182 l_dvd_challenge chal; 1183}; 1184 1185struct l_dvd_send_key { 1186 u_char type; 1187 l_uint agid:2; 1188 l_dvd_key key; 1189}; 1190 1191struct l_dvd_lu_send_challenge { 1192 u_char type; 1193 l_uint agid:2; 1194 l_dvd_challenge chal; 1195}; 1196 1197struct l_dvd_lu_send_title_key { 1198 u_char type; 1199 l_uint agid:2; 1200 l_dvd_key title_key; 1201 l_int lba; 1202 l_uint cpm:1; 1203 l_uint cp_sec:1; 1204 l_uint cgms:2; 1205}; 1206 1207struct l_dvd_lu_send_asf { 1208 u_char type; 1209 l_uint agid:2; 1210 l_uint asf:1; 1211}; 1212 1213struct l_dvd_host_send_rpcstate { 1214 u_char type; 1215 u_char pdrc; 1216}; 1217 1218struct l_dvd_lu_send_rpcstate { 1219 u_char type:2; 1220 u_char vra:3; 1221 u_char ucca:3; 1222 u_char region_mask; 1223 u_char rpc_scheme; 1224}; 1225 1226typedef union { 1227 u_char type; 1228 struct l_dvd_lu_send_agid lsa; 1229 struct l_dvd_host_send_challenge hsc; 1230 struct l_dvd_send_key lsk; 1231 struct l_dvd_lu_send_challenge lsc; 1232 struct l_dvd_send_key hsk; 1233 struct l_dvd_lu_send_title_key lstk; 1234 struct l_dvd_lu_send_asf lsasf; 1235 struct l_dvd_host_send_rpcstate hrpcs; 1236 struct l_dvd_lu_send_rpcstate lrpcs; 1237} l_dvd_authinfo; 1238 1239static void 1240bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) 1241{ 1242 if (af == CD_LBA_FORMAT) 1243 lp->lba = bp->lba; 1244 else { 1245 lp->msf.minute = bp->msf.minute; 1246 lp->msf.second = bp->msf.second; 1247 lp->msf.frame = bp->msf.frame; 1248 } 1249} 1250 1251static void 1252set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) 1253{ 1254 if (format == LINUX_CDROM_MSF) { 1255 addr->msf.frame = lba % 75; 1256 lba /= 75; 1257 lba += 2; 1258 addr->msf.second = lba % 60; 1259 addr->msf.minute = lba / 60; 1260 } else 1261 addr->lba = lba; 1262} 1263 1264static int 1265linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) 1266{ 1267 bp->format = lp->type; 1268 switch (bp->format) { 1269 case DVD_STRUCT_PHYSICAL: 1270 if (bp->layer_num >= 4) 1271 return (EINVAL); 1272 bp->layer_num = lp->physical.layer_num; 1273 break; 1274 case DVD_STRUCT_COPYRIGHT: 1275 bp->layer_num = lp->copyright.layer_num; 1276 break; 1277 case DVD_STRUCT_DISCKEY: 1278 bp->agid = lp->disckey.agid; 1279 break; 1280 case DVD_STRUCT_BCA: 1281 case DVD_STRUCT_MANUFACT: 1282 break; 1283 default: 1284 return (EINVAL); 1285 } 1286 return (0); 1287} 1288 1289static int 1290bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) 1291{ 1292 switch (bp->format) { 1293 case DVD_STRUCT_PHYSICAL: { 1294 struct dvd_layer *blp = (struct dvd_layer *)bp->data; 1295 struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; 1296 memset(llp, 0, sizeof(*llp)); 1297 llp->book_version = blp->book_version; 1298 llp->book_type = blp->book_type; 1299 llp->min_rate = blp->max_rate; 1300 llp->disc_size = blp->disc_size; 1301 llp->layer_type = blp->layer_type; 1302 llp->track_path = blp->track_path; 1303 llp->nlayers = blp->nlayers; 1304 llp->track_density = blp->track_density; 1305 llp->linear_density = blp->linear_density; 1306 llp->bca = blp->bca; 1307 llp->start_sector = blp->start_sector; 1308 llp->end_sector = blp->end_sector; 1309 llp->end_sector_l0 = blp->end_sector_l0; 1310 break; 1311 } 1312 case DVD_STRUCT_COPYRIGHT: 1313 lp->copyright.cpst = bp->cpst; 1314 lp->copyright.rmi = bp->rmi; 1315 break; 1316 case DVD_STRUCT_DISCKEY: 1317 memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); 1318 break; 1319 case DVD_STRUCT_BCA: 1320 lp->bca.len = bp->length; 1321 memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); 1322 break; 1323 case DVD_STRUCT_MANUFACT: 1324 lp->manufact.len = bp->length; 1325 memcpy(lp->manufact.value, bp->data, 1326 sizeof(lp->manufact.value)); 1327 /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ 1328 break; 1329 default: 1330 return (EINVAL); 1331 } 1332 return (0); 1333} 1334 1335static int 1336linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, 1337 struct dvd_authinfo *bp) 1338{ 1339 switch (lp->type) { 1340 case LINUX_DVD_LU_SEND_AGID: 1341 *bcode = DVDIOCREPORTKEY; 1342 bp->format = DVD_REPORT_AGID; 1343 bp->agid = lp->lsa.agid; 1344 break; 1345 case LINUX_DVD_HOST_SEND_CHALLENGE: 1346 *bcode = DVDIOCSENDKEY; 1347 bp->format = DVD_SEND_CHALLENGE; 1348 bp->agid = lp->hsc.agid; 1349 memcpy(bp->keychal, lp->hsc.chal, 10); 1350 break; 1351 case LINUX_DVD_LU_SEND_KEY1: 1352 *bcode = DVDIOCREPORTKEY; 1353 bp->format = DVD_REPORT_KEY1; 1354 bp->agid = lp->lsk.agid; 1355 break; 1356 case LINUX_DVD_LU_SEND_CHALLENGE: 1357 *bcode = DVDIOCREPORTKEY; 1358 bp->format = DVD_REPORT_CHALLENGE; 1359 bp->agid = lp->lsc.agid; 1360 break; 1361 case LINUX_DVD_HOST_SEND_KEY2: 1362 *bcode = DVDIOCSENDKEY; 1363 bp->format = DVD_SEND_KEY2; 1364 bp->agid = lp->hsk.agid; 1365 memcpy(bp->keychal, lp->hsk.key, 5); 1366 break; 1367 case LINUX_DVD_LU_SEND_TITLE_KEY: 1368 *bcode = DVDIOCREPORTKEY; 1369 bp->format = DVD_REPORT_TITLE_KEY; 1370 bp->agid = lp->lstk.agid; 1371 bp->lba = lp->lstk.lba; 1372 break; 1373 case LINUX_DVD_LU_SEND_ASF: 1374 *bcode = DVDIOCREPORTKEY; 1375 bp->format = DVD_REPORT_ASF; 1376 bp->agid = lp->lsasf.agid; 1377 break; 1378 case LINUX_DVD_INVALIDATE_AGID: 1379 *bcode = DVDIOCREPORTKEY; 1380 bp->format = DVD_INVALIDATE_AGID; 1381 bp->agid = lp->lsa.agid; 1382 break; 1383 case LINUX_DVD_LU_SEND_RPC_STATE: 1384 *bcode = DVDIOCREPORTKEY; 1385 bp->format = DVD_REPORT_RPC; 1386 break; 1387 case LINUX_DVD_HOST_SEND_RPC_STATE: 1388 *bcode = DVDIOCSENDKEY; 1389 bp->format = DVD_SEND_RPC; 1390 bp->region = lp->hrpcs.pdrc; 1391 break; 1392 default: 1393 return (EINVAL); 1394 } 1395 return (0); 1396} 1397 1398static int 1399bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) 1400{ 1401 switch (lp->type) { 1402 case LINUX_DVD_LU_SEND_AGID: 1403 lp->lsa.agid = bp->agid; 1404 break; 1405 case LINUX_DVD_HOST_SEND_CHALLENGE: 1406 lp->type = LINUX_DVD_LU_SEND_KEY1; 1407 break; 1408 case LINUX_DVD_LU_SEND_KEY1: 1409 memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); 1410 break; 1411 case LINUX_DVD_LU_SEND_CHALLENGE: 1412 memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); 1413 break; 1414 case LINUX_DVD_HOST_SEND_KEY2: 1415 lp->type = LINUX_DVD_AUTH_ESTABLISHED; 1416 break; 1417 case LINUX_DVD_LU_SEND_TITLE_KEY: 1418 memcpy(lp->lstk.title_key, bp->keychal, 1419 sizeof(lp->lstk.title_key)); 1420 lp->lstk.cpm = bp->cpm; 1421 lp->lstk.cp_sec = bp->cp_sec; 1422 lp->lstk.cgms = bp->cgms; 1423 break; 1424 case LINUX_DVD_LU_SEND_ASF: 1425 lp->lsasf.asf = bp->asf; 1426 break; 1427 case LINUX_DVD_INVALIDATE_AGID: 1428 break; 1429 case LINUX_DVD_LU_SEND_RPC_STATE: 1430 lp->lrpcs.type = bp->reg_type; 1431 lp->lrpcs.vra = bp->vend_rsts; 1432 lp->lrpcs.ucca = bp->user_rsts; 1433 lp->lrpcs.region_mask = bp->region; 1434 lp->lrpcs.rpc_scheme = bp->rpc_scheme; 1435 break; 1436 case LINUX_DVD_HOST_SEND_RPC_STATE: 1437 break; 1438 default: 1439 return (EINVAL); 1440 } 1441 return (0); 1442} 1443 1444static int 1445linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) 1446{ 1447 cap_rights_t rights; 1448 struct file *fp; 1449 int error; 1450 1451 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1452 if (error != 0) 1453 return (error); 1454 switch (args->cmd & 0xffff) { 1455 1456 case LINUX_CDROMPAUSE: 1457 args->cmd = CDIOCPAUSE; 1458 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1459 break; 1460 1461 case LINUX_CDROMRESUME: 1462 args->cmd = CDIOCRESUME; 1463 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1464 break; 1465 1466 case LINUX_CDROMPLAYMSF: 1467 args->cmd = CDIOCPLAYMSF; 1468 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1469 break; 1470 1471 case LINUX_CDROMPLAYTRKIND: 1472 args->cmd = CDIOCPLAYTRACKS; 1473 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1474 break; 1475 1476 case LINUX_CDROMREADTOCHDR: { 1477 struct ioc_toc_header th; 1478 struct linux_cdrom_tochdr lth; 1479 error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, 1480 td->td_ucred, td); 1481 if (!error) { 1482 lth.cdth_trk0 = th.starting_track; 1483 lth.cdth_trk1 = th.ending_track; 1484 copyout(<h, (void *)args->arg, sizeof(lth)); 1485 } 1486 break; 1487 } 1488 1489 case LINUX_CDROMREADTOCENTRY: { 1490 struct linux_cdrom_tocentry lte; 1491 struct ioc_read_toc_single_entry irtse; 1492 1493 error = copyin((void *)args->arg, <e, sizeof(lte)); 1494 if (error) 1495 break; 1496 irtse.address_format = lte.cdte_format; 1497 irtse.track = lte.cdte_track; 1498 error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, 1499 td->td_ucred, td); 1500 if (!error) { 1501 lte.cdte_ctrl = irtse.entry.control; 1502 lte.cdte_adr = irtse.entry.addr_type; 1503 bsd_to_linux_msf_lba(irtse.address_format, 1504 &irtse.entry.addr, <e.cdte_addr); 1505 error = copyout(<e, (void *)args->arg, sizeof(lte)); 1506 } 1507 break; 1508 } 1509 1510 case LINUX_CDROMSTOP: 1511 args->cmd = CDIOCSTOP; 1512 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1513 break; 1514 1515 case LINUX_CDROMSTART: 1516 args->cmd = CDIOCSTART; 1517 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1518 break; 1519 1520 case LINUX_CDROMEJECT: 1521 args->cmd = CDIOCEJECT; 1522 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1523 break; 1524 1525 /* LINUX_CDROMVOLCTRL */ 1526 1527 case LINUX_CDROMSUBCHNL: { 1528 struct linux_cdrom_subchnl sc; 1529 struct ioc_read_subchannel bsdsc; 1530 struct cd_sub_channel_info bsdinfo; 1531 1532 bsdsc.address_format = CD_LBA_FORMAT; 1533 bsdsc.data_format = CD_CURRENT_POSITION; 1534 bsdsc.track = 0; 1535 bsdsc.data_len = sizeof(bsdinfo); 1536 bsdsc.data = &bsdinfo; 1537 error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, 1538 (caddr_t)&bsdsc, td->td_ucred, td); 1539 if (error) 1540 break; 1541 error = copyin((void *)args->arg, &sc, sizeof(sc)); 1542 if (error) 1543 break; 1544 sc.cdsc_audiostatus = bsdinfo.header.audio_status; 1545 sc.cdsc_adr = bsdinfo.what.position.addr_type; 1546 sc.cdsc_ctrl = bsdinfo.what.position.control; 1547 sc.cdsc_trk = bsdinfo.what.position.track_number; 1548 sc.cdsc_ind = bsdinfo.what.position.index_number; 1549 set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, 1550 bsdinfo.what.position.absaddr.lba); 1551 set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, 1552 bsdinfo.what.position.reladdr.lba); 1553 error = copyout(&sc, (void *)args->arg, sizeof(sc)); 1554 break; 1555 } 1556 1557 /* LINUX_CDROMREADMODE2 */ 1558 /* LINUX_CDROMREADMODE1 */ 1559 /* LINUX_CDROMREADAUDIO */ 1560 /* LINUX_CDROMEJECT_SW */ 1561 /* LINUX_CDROMMULTISESSION */ 1562 /* LINUX_CDROM_GET_UPC */ 1563 1564 case LINUX_CDROMRESET: 1565 args->cmd = CDIOCRESET; 1566 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1567 break; 1568 1569 /* LINUX_CDROMVOLREAD */ 1570 /* LINUX_CDROMREADRAW */ 1571 /* LINUX_CDROMREADCOOKED */ 1572 /* LINUX_CDROMSEEK */ 1573 /* LINUX_CDROMPLAYBLK */ 1574 /* LINUX_CDROMREADALL */ 1575 /* LINUX_CDROMCLOSETRAY */ 1576 /* LINUX_CDROMLOADFROMSLOT */ 1577 /* LINUX_CDROMGETSPINDOWN */ 1578 /* LINUX_CDROMSETSPINDOWN */ 1579 /* LINUX_CDROM_SET_OPTIONS */ 1580 /* LINUX_CDROM_CLEAR_OPTIONS */ 1581 /* LINUX_CDROM_SELECT_SPEED */ 1582 /* LINUX_CDROM_SELECT_DISC */ 1583 /* LINUX_CDROM_MEDIA_CHANGED */ 1584 /* LINUX_CDROM_DRIVE_STATUS */ 1585 /* LINUX_CDROM_DISC_STATUS */ 1586 /* LINUX_CDROM_CHANGER_NSLOTS */ 1587 /* LINUX_CDROM_LOCKDOOR */ 1588 /* LINUX_CDROM_DEBUG */ 1589 /* LINUX_CDROM_GET_CAPABILITY */ 1590 /* LINUX_CDROMAUDIOBUFSIZ */ 1591 1592 case LINUX_DVD_READ_STRUCT: { 1593 l_dvd_struct *lds; 1594 struct dvd_struct *bds; 1595 1596 lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); 1597 bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); 1598 error = copyin((void *)args->arg, lds, sizeof(*lds)); 1599 if (error) 1600 goto out; 1601 error = linux_to_bsd_dvd_struct(lds, bds); 1602 if (error) 1603 goto out; 1604 error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, 1605 td->td_ucred, td); 1606 if (error) 1607 goto out; 1608 error = bsd_to_linux_dvd_struct(bds, lds); 1609 if (error) 1610 goto out; 1611 error = copyout(lds, (void *)args->arg, sizeof(*lds)); 1612 out: 1613 free(bds, M_LINUX); 1614 free(lds, M_LINUX); 1615 break; 1616 } 1617 1618 /* LINUX_DVD_WRITE_STRUCT */ 1619 1620 case LINUX_DVD_AUTH: { 1621 l_dvd_authinfo lda; 1622 struct dvd_authinfo bda; 1623 int bcode; 1624 1625 error = copyin((void *)args->arg, &lda, sizeof(lda)); 1626 if (error) 1627 break; 1628 error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); 1629 if (error) 1630 break; 1631 error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, 1632 td); 1633 if (error) { 1634 if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { 1635 lda.type = LINUX_DVD_AUTH_FAILURE; 1636 copyout(&lda, (void *)args->arg, sizeof(lda)); 1637 } 1638 break; 1639 } 1640 error = bsd_to_linux_dvd_authinfo(&bda, &lda); 1641 if (error) 1642 break; 1643 error = copyout(&lda, (void *)args->arg, sizeof(lda)); 1644 break; 1645 } 1646 1647 case LINUX_SCSI_GET_BUS_NUMBER: 1648 { 1649 struct sg_scsi_id id; 1650 1651 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1652 td->td_ucred, td); 1653 if (error) 1654 break; 1655 error = copyout(&id.channel, (void *)args->arg, sizeof(int)); 1656 break; 1657 } 1658 1659 case LINUX_SCSI_GET_IDLUN: 1660 { 1661 struct sg_scsi_id id; 1662 struct scsi_idlun idl; 1663 1664 error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, 1665 td->td_ucred, td); 1666 if (error) 1667 break; 1668 idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + 1669 ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); 1670 idl.host_unique_id = id.host_no; 1671 error = copyout(&idl, (void *)args->arg, sizeof(idl)); 1672 break; 1673 } 1674 1675 /* LINUX_CDROM_SEND_PACKET */ 1676 /* LINUX_CDROM_NEXT_WRITABLE */ 1677 /* LINUX_CDROM_LAST_WRITTEN */ 1678 1679 default: 1680 error = ENOIOCTL; 1681 break; 1682 } 1683 1684 fdrop(fp, td); 1685 return (error); 1686} 1687 1688static int 1689linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) 1690{ 1691 1692 return (ENOTTY); 1693} 1694 1695/* 1696 * Sound related ioctls 1697 */ 1698 1699struct linux_old_mixer_info { 1700 char id[16]; 1701 char name[32]; 1702}; 1703 1704static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; 1705 1706#define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) 1707 1708static int 1709linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) 1710{ 1711 1712 switch (args->cmd & 0xffff) { 1713 1714 case LINUX_SOUND_MIXER_WRITE_VOLUME: 1715 args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); 1716 return (sys_ioctl(td, (struct ioctl_args *)args)); 1717 1718 case LINUX_SOUND_MIXER_WRITE_BASS: 1719 args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); 1720 return (sys_ioctl(td, (struct ioctl_args *)args)); 1721 1722 case LINUX_SOUND_MIXER_WRITE_TREBLE: 1723 args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); 1724 return (sys_ioctl(td, (struct ioctl_args *)args)); 1725 1726 case LINUX_SOUND_MIXER_WRITE_SYNTH: 1727 args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); 1728 return (sys_ioctl(td, (struct ioctl_args *)args)); 1729 1730 case LINUX_SOUND_MIXER_WRITE_PCM: 1731 args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); 1732 return (sys_ioctl(td, (struct ioctl_args *)args)); 1733 1734 case LINUX_SOUND_MIXER_WRITE_SPEAKER: 1735 args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); 1736 return (sys_ioctl(td, (struct ioctl_args *)args)); 1737 1738 case LINUX_SOUND_MIXER_WRITE_LINE: 1739 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); 1740 return (sys_ioctl(td, (struct ioctl_args *)args)); 1741 1742 case LINUX_SOUND_MIXER_WRITE_MIC: 1743 args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); 1744 return (sys_ioctl(td, (struct ioctl_args *)args)); 1745 1746 case LINUX_SOUND_MIXER_WRITE_CD: 1747 args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); 1748 return (sys_ioctl(td, (struct ioctl_args *)args)); 1749 1750 case LINUX_SOUND_MIXER_WRITE_IMIX: 1751 args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); 1752 return (sys_ioctl(td, (struct ioctl_args *)args)); 1753 1754 case LINUX_SOUND_MIXER_WRITE_ALTPCM: 1755 args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); 1756 return (sys_ioctl(td, (struct ioctl_args *)args)); 1757 1758 case LINUX_SOUND_MIXER_WRITE_RECLEV: 1759 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); 1760 return (sys_ioctl(td, (struct ioctl_args *)args)); 1761 1762 case LINUX_SOUND_MIXER_WRITE_IGAIN: 1763 args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); 1764 return (sys_ioctl(td, (struct ioctl_args *)args)); 1765 1766 case LINUX_SOUND_MIXER_WRITE_OGAIN: 1767 args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); 1768 return (sys_ioctl(td, (struct ioctl_args *)args)); 1769 1770 case LINUX_SOUND_MIXER_WRITE_LINE1: 1771 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); 1772 return (sys_ioctl(td, (struct ioctl_args *)args)); 1773 1774 case LINUX_SOUND_MIXER_WRITE_LINE2: 1775 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); 1776 return (sys_ioctl(td, (struct ioctl_args *)args)); 1777 1778 case LINUX_SOUND_MIXER_WRITE_LINE3: 1779 args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); 1780 return (sys_ioctl(td, (struct ioctl_args *)args)); 1781 1782 case LINUX_SOUND_MIXER_INFO: { 1783 /* Key on encoded length */ 1784 switch ((args->cmd >> 16) & 0x1fff) { 1785 case 0x005c: { /* SOUND_MIXER_INFO */ 1786 args->cmd = SOUND_MIXER_INFO; 1787 return (sys_ioctl(td, (struct ioctl_args *)args)); 1788 } 1789 case 0x0030: { /* SOUND_OLD_MIXER_INFO */ 1790 struct linux_old_mixer_info info; 1791 bzero(&info, sizeof(info)); 1792 strncpy(info.id, "OSS", sizeof(info.id) - 1); 1793 strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); 1794 copyout(&info, (void *)args->arg, sizeof(info)); 1795 return (0); 1796 } 1797 default: 1798 return (ENOIOCTL); 1799 } 1800 break; 1801 } 1802 1803 case LINUX_OSS_GETVERSION: { 1804 int version = linux_get_oss_version(td); 1805 return (copyout(&version, (void *)args->arg, sizeof(int))); 1806 } 1807 1808 case LINUX_SOUND_MIXER_READ_STEREODEVS: 1809 args->cmd = SOUND_MIXER_READ_STEREODEVS; 1810 return (sys_ioctl(td, (struct ioctl_args *)args)); 1811 1812 case LINUX_SOUND_MIXER_READ_CAPS: 1813 args->cmd = SOUND_MIXER_READ_CAPS; 1814 return (sys_ioctl(td, (struct ioctl_args *)args)); 1815 1816 case LINUX_SOUND_MIXER_READ_RECMASK: 1817 args->cmd = SOUND_MIXER_READ_RECMASK; 1818 return (sys_ioctl(td, (struct ioctl_args *)args)); 1819 1820 case LINUX_SOUND_MIXER_READ_DEVMASK: 1821 args->cmd = SOUND_MIXER_READ_DEVMASK; 1822 return (sys_ioctl(td, (struct ioctl_args *)args)); 1823 1824 case LINUX_SOUND_MIXER_WRITE_RECSRC: 1825 args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); 1826 return (sys_ioctl(td, (struct ioctl_args *)args)); 1827 1828 case LINUX_SNDCTL_DSP_RESET: 1829 args->cmd = SNDCTL_DSP_RESET; 1830 return (sys_ioctl(td, (struct ioctl_args *)args)); 1831 1832 case LINUX_SNDCTL_DSP_SYNC: 1833 args->cmd = SNDCTL_DSP_SYNC; 1834 return (sys_ioctl(td, (struct ioctl_args *)args)); 1835 1836 case LINUX_SNDCTL_DSP_SPEED: 1837 args->cmd = SNDCTL_DSP_SPEED; 1838 return (sys_ioctl(td, (struct ioctl_args *)args)); 1839 1840 case LINUX_SNDCTL_DSP_STEREO: 1841 args->cmd = SNDCTL_DSP_STEREO; 1842 return (sys_ioctl(td, (struct ioctl_args *)args)); 1843 1844 case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ 1845 args->cmd = SNDCTL_DSP_GETBLKSIZE; 1846 return (sys_ioctl(td, (struct ioctl_args *)args)); 1847 1848 case LINUX_SNDCTL_DSP_SETFMT: 1849 args->cmd = SNDCTL_DSP_SETFMT; 1850 return (sys_ioctl(td, (struct ioctl_args *)args)); 1851 1852 case LINUX_SOUND_PCM_WRITE_CHANNELS: 1853 args->cmd = SOUND_PCM_WRITE_CHANNELS; 1854 return (sys_ioctl(td, (struct ioctl_args *)args)); 1855 1856 case LINUX_SOUND_PCM_WRITE_FILTER: 1857 args->cmd = SOUND_PCM_WRITE_FILTER; 1858 return (sys_ioctl(td, (struct ioctl_args *)args)); 1859 1860 case LINUX_SNDCTL_DSP_POST: 1861 args->cmd = SNDCTL_DSP_POST; 1862 return (sys_ioctl(td, (struct ioctl_args *)args)); 1863 1864 case LINUX_SNDCTL_DSP_SUBDIVIDE: 1865 args->cmd = SNDCTL_DSP_SUBDIVIDE; 1866 return (sys_ioctl(td, (struct ioctl_args *)args)); 1867 1868 case LINUX_SNDCTL_DSP_SETFRAGMENT: 1869 args->cmd = SNDCTL_DSP_SETFRAGMENT; 1870 return (sys_ioctl(td, (struct ioctl_args *)args)); 1871 1872 case LINUX_SNDCTL_DSP_GETFMTS: 1873 args->cmd = SNDCTL_DSP_GETFMTS; 1874 return (sys_ioctl(td, (struct ioctl_args *)args)); 1875 1876 case LINUX_SNDCTL_DSP_GETOSPACE: 1877 args->cmd = SNDCTL_DSP_GETOSPACE; 1878 return (sys_ioctl(td, (struct ioctl_args *)args)); 1879 1880 case LINUX_SNDCTL_DSP_GETISPACE: 1881 args->cmd = SNDCTL_DSP_GETISPACE; 1882 return (sys_ioctl(td, (struct ioctl_args *)args)); 1883 1884 case LINUX_SNDCTL_DSP_NONBLOCK: 1885 args->cmd = SNDCTL_DSP_NONBLOCK; 1886 return (sys_ioctl(td, (struct ioctl_args *)args)); 1887 1888 case LINUX_SNDCTL_DSP_GETCAPS: 1889 args->cmd = SNDCTL_DSP_GETCAPS; 1890 return (sys_ioctl(td, (struct ioctl_args *)args)); 1891 1892 case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ 1893 args->cmd = SNDCTL_DSP_SETTRIGGER; 1894 return (sys_ioctl(td, (struct ioctl_args *)args)); 1895 1896 case LINUX_SNDCTL_DSP_GETIPTR: 1897 args->cmd = SNDCTL_DSP_GETIPTR; 1898 return (sys_ioctl(td, (struct ioctl_args *)args)); 1899 1900 case LINUX_SNDCTL_DSP_GETOPTR: 1901 args->cmd = SNDCTL_DSP_GETOPTR; 1902 return (sys_ioctl(td, (struct ioctl_args *)args)); 1903 1904 case LINUX_SNDCTL_DSP_SETDUPLEX: 1905 args->cmd = SNDCTL_DSP_SETDUPLEX; 1906 return (sys_ioctl(td, (struct ioctl_args *)args)); 1907 1908 case LINUX_SNDCTL_DSP_GETODELAY: 1909 args->cmd = SNDCTL_DSP_GETODELAY; 1910 return (sys_ioctl(td, (struct ioctl_args *)args)); 1911 1912 case LINUX_SNDCTL_SEQ_RESET: 1913 args->cmd = SNDCTL_SEQ_RESET; 1914 return (sys_ioctl(td, (struct ioctl_args *)args)); 1915 1916 case LINUX_SNDCTL_SEQ_SYNC: 1917 args->cmd = SNDCTL_SEQ_SYNC; 1918 return (sys_ioctl(td, (struct ioctl_args *)args)); 1919 1920 case LINUX_SNDCTL_SYNTH_INFO: 1921 args->cmd = SNDCTL_SYNTH_INFO; 1922 return (sys_ioctl(td, (struct ioctl_args *)args)); 1923 1924 case LINUX_SNDCTL_SEQ_CTRLRATE: 1925 args->cmd = SNDCTL_SEQ_CTRLRATE; 1926 return (sys_ioctl(td, (struct ioctl_args *)args)); 1927 1928 case LINUX_SNDCTL_SEQ_GETOUTCOUNT: 1929 args->cmd = SNDCTL_SEQ_GETOUTCOUNT; 1930 return (sys_ioctl(td, (struct ioctl_args *)args)); 1931 1932 case LINUX_SNDCTL_SEQ_GETINCOUNT: 1933 args->cmd = SNDCTL_SEQ_GETINCOUNT; 1934 return (sys_ioctl(td, (struct ioctl_args *)args)); 1935 1936 case LINUX_SNDCTL_SEQ_PERCMODE: 1937 args->cmd = SNDCTL_SEQ_PERCMODE; 1938 return (sys_ioctl(td, (struct ioctl_args *)args)); 1939 1940 case LINUX_SNDCTL_FM_LOAD_INSTR: 1941 args->cmd = SNDCTL_FM_LOAD_INSTR; 1942 return (sys_ioctl(td, (struct ioctl_args *)args)); 1943 1944 case LINUX_SNDCTL_SEQ_TESTMIDI: 1945 args->cmd = SNDCTL_SEQ_TESTMIDI; 1946 return (sys_ioctl(td, (struct ioctl_args *)args)); 1947 1948 case LINUX_SNDCTL_SEQ_RESETSAMPLES: 1949 args->cmd = SNDCTL_SEQ_RESETSAMPLES; 1950 return (sys_ioctl(td, (struct ioctl_args *)args)); 1951 1952 case LINUX_SNDCTL_SEQ_NRSYNTHS: 1953 args->cmd = SNDCTL_SEQ_NRSYNTHS; 1954 return (sys_ioctl(td, (struct ioctl_args *)args)); 1955 1956 case LINUX_SNDCTL_SEQ_NRMIDIS: 1957 args->cmd = SNDCTL_SEQ_NRMIDIS; 1958 return (sys_ioctl(td, (struct ioctl_args *)args)); 1959 1960 case LINUX_SNDCTL_MIDI_INFO: 1961 args->cmd = SNDCTL_MIDI_INFO; 1962 return (sys_ioctl(td, (struct ioctl_args *)args)); 1963 1964 case LINUX_SNDCTL_SEQ_TRESHOLD: 1965 args->cmd = SNDCTL_SEQ_TRESHOLD; 1966 return (sys_ioctl(td, (struct ioctl_args *)args)); 1967 1968 case LINUX_SNDCTL_SYNTH_MEMAVL: 1969 args->cmd = SNDCTL_SYNTH_MEMAVL; 1970 return (sys_ioctl(td, (struct ioctl_args *)args)); 1971 1972 } 1973 1974 return (ENOIOCTL); 1975} 1976 1977/* 1978 * Console related ioctls 1979 */ 1980 1981static int 1982linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) 1983{ 1984 cap_rights_t rights; 1985 struct file *fp; 1986 int error; 1987 1988 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 1989 if (error != 0) 1990 return (error); 1991 switch (args->cmd & 0xffff) { 1992 1993 case LINUX_KIOCSOUND: 1994 args->cmd = KIOCSOUND; 1995 error = (sys_ioctl(td, (struct ioctl_args *)args)); 1996 break; 1997 1998 case LINUX_KDMKTONE: 1999 args->cmd = KDMKTONE; 2000 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2001 break; 2002 2003 case LINUX_KDGETLED: 2004 args->cmd = KDGETLED; 2005 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2006 break; 2007 2008 case LINUX_KDSETLED: 2009 args->cmd = KDSETLED; 2010 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2011 break; 2012 2013 case LINUX_KDSETMODE: 2014 args->cmd = KDSETMODE; 2015 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2016 break; 2017 2018 case LINUX_KDGETMODE: 2019 args->cmd = KDGETMODE; 2020 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2021 break; 2022 2023 case LINUX_KDGKBMODE: 2024 args->cmd = KDGKBMODE; 2025 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2026 break; 2027 2028 case LINUX_KDSKBMODE: { 2029 int kbdmode; 2030 switch (args->arg) { 2031 case LINUX_KBD_RAW: 2032 kbdmode = K_RAW; 2033 break; 2034 case LINUX_KBD_XLATE: 2035 kbdmode = K_XLATE; 2036 break; 2037 case LINUX_KBD_MEDIUMRAW: 2038 kbdmode = K_RAW; 2039 break; 2040 default: 2041 fdrop(fp, td); 2042 return (EINVAL); 2043 } 2044 error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, 2045 td->td_ucred, td)); 2046 break; 2047 } 2048 2049 case LINUX_VT_OPENQRY: 2050 args->cmd = VT_OPENQRY; 2051 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2052 break; 2053 2054 case LINUX_VT_GETMODE: 2055 args->cmd = VT_GETMODE; 2056 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2057 break; 2058 2059 case LINUX_VT_SETMODE: { 2060 struct vt_mode mode; 2061 if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) 2062 break; 2063 if (LINUX_SIG_VALID(mode.relsig)) 2064 mode.relsig = linux_to_bsd_signal(mode.relsig); 2065 else 2066 mode.relsig = 0; 2067 if (LINUX_SIG_VALID(mode.acqsig)) 2068 mode.acqsig = linux_to_bsd_signal(mode.acqsig); 2069 else 2070 mode.acqsig = 0; 2071 /* XXX. Linux ignores frsig and set it to 0. */ 2072 mode.frsig = 0; 2073 if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) 2074 break; 2075 args->cmd = VT_SETMODE; 2076 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2077 break; 2078 } 2079 2080 case LINUX_VT_GETSTATE: 2081 args->cmd = VT_GETACTIVE; 2082 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2083 break; 2084 2085 case LINUX_VT_RELDISP: 2086 args->cmd = VT_RELDISP; 2087 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2088 break; 2089 2090 case LINUX_VT_ACTIVATE: 2091 args->cmd = VT_ACTIVATE; 2092 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2093 break; 2094 2095 case LINUX_VT_WAITACTIVE: 2096 args->cmd = VT_WAITACTIVE; 2097 error = (sys_ioctl(td, (struct ioctl_args *)args)); 2098 break; 2099 2100 default: 2101 error = ENOIOCTL; 2102 break; 2103 } 2104 2105 fdrop(fp, td); 2106 return (error); 2107} 2108 2109/* 2110 * Criteria for interface name translation 2111 */ 2112#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 2113 2114/* 2115 * Translate a Linux interface name to a FreeBSD interface name, 2116 * and return the associated ifnet structure 2117 * bsdname and lxname need to be least IFNAMSIZ bytes long, but 2118 * can point to the same buffer. 2119 */ 2120 2121static struct ifnet * 2122ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) 2123{ 2124 struct ifnet *ifp; 2125 int len, unit; 2126 char *ep; 2127 int is_eth, index; 2128 2129 for (len = 0; len < LINUX_IFNAMSIZ; ++len) 2130 if (!isalpha(lxname[len])) 2131 break; 2132 if (len == 0 || len == LINUX_IFNAMSIZ) 2133 return (NULL); 2134 unit = (int)strtoul(lxname + len, &ep, 10); 2135 if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) 2136 return (NULL); 2137 index = 0; 2138 is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; 2139 CURVNET_SET(TD_TO_VNET(td)); 2140 IFNET_RLOCK(); 2141 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2142 /* 2143 * Allow Linux programs to use FreeBSD names. Don't presume 2144 * we never have an interface named "eth", so don't make 2145 * the test optional based on is_eth. 2146 */ 2147 if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) 2148 break; 2149 if (is_eth && IFP_IS_ETH(ifp) && unit == index++) 2150 break; 2151 } 2152 IFNET_RUNLOCK(); 2153 CURVNET_RESTORE(); 2154 if (ifp != NULL) 2155 strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); 2156 return (ifp); 2157} 2158 2159/* 2160 * Implement the SIOCGIFCONF ioctl 2161 */ 2162 2163static int 2164linux_ifconf(struct thread *td, struct ifconf *uifc) 2165{ 2166#ifdef COMPAT_LINUX32 2167 struct l_ifconf ifc; 2168#else 2169 struct ifconf ifc; 2170#endif 2171 struct l_ifreq ifr; 2172 struct ifnet *ifp; 2173 struct ifaddr *ifa; 2174 struct sbuf *sb; 2175 int error, ethno, full = 0, valid_len, max_len; 2176 2177 error = copyin(uifc, &ifc, sizeof(ifc)); 2178 if (error != 0) 2179 return (error); 2180 2181 max_len = MAXPHYS - 1; 2182 2183 CURVNET_SET(TD_TO_VNET(td)); 2184 /* handle the 'request buffer size' case */ 2185 if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { 2186 ifc.ifc_len = 0; 2187 IFNET_RLOCK(); 2188 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2189 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2190 struct sockaddr *sa = ifa->ifa_addr; 2191 if (sa->sa_family == AF_INET) 2192 ifc.ifc_len += sizeof(ifr); 2193 } 2194 } 2195 IFNET_RUNLOCK(); 2196 error = copyout(&ifc, uifc, sizeof(ifc)); 2197 CURVNET_RESTORE(); 2198 return (error); 2199 } 2200 2201 if (ifc.ifc_len <= 0) { 2202 CURVNET_RESTORE(); 2203 return (EINVAL); 2204 } 2205 2206again: 2207 /* Keep track of eth interfaces */ 2208 ethno = 0; 2209 if (ifc.ifc_len <= max_len) { 2210 max_len = ifc.ifc_len; 2211 full = 1; 2212 } 2213 sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); 2214 max_len = 0; 2215 valid_len = 0; 2216 2217 /* Return all AF_INET addresses of all interfaces */ 2218 IFNET_RLOCK(); 2219 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 2220 int addrs = 0; 2221 2222 bzero(&ifr, sizeof(ifr)); 2223 if (IFP_IS_ETH(ifp)) 2224 snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", 2225 ethno++); 2226 else 2227 strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); 2228 2229 /* Walk the address list */ 2230 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2231 struct sockaddr *sa = ifa->ifa_addr; 2232 2233 if (sa->sa_family == AF_INET) { 2234 ifr.ifr_addr.sa_family = LINUX_AF_INET; 2235 memcpy(ifr.ifr_addr.sa_data, sa->sa_data, 2236 sizeof(ifr.ifr_addr.sa_data)); 2237 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2238 max_len += sizeof(ifr); 2239 addrs++; 2240 } 2241 2242 if (sbuf_error(sb) == 0) 2243 valid_len = sbuf_len(sb); 2244 } 2245 if (addrs == 0) { 2246 bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); 2247 sbuf_bcat(sb, &ifr, sizeof(ifr)); 2248 max_len += sizeof(ifr); 2249 2250 if (sbuf_error(sb) == 0) 2251 valid_len = sbuf_len(sb); 2252 } 2253 } 2254 IFNET_RUNLOCK(); 2255 2256 if (valid_len != max_len && !full) { 2257 sbuf_delete(sb); 2258 goto again; 2259 } 2260 2261 ifc.ifc_len = valid_len; 2262 sbuf_finish(sb); 2263 error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); 2264 if (error == 0) 2265 error = copyout(&ifc, uifc, sizeof(ifc)); 2266 sbuf_delete(sb); 2267 CURVNET_RESTORE(); 2268 2269 return (error); 2270} 2271 2272static int 2273linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) 2274{ 2275 l_short flags; 2276 2277 flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; 2278 /* these flags have no Linux equivalent */ 2279 flags &= ~(IFF_SMART|IFF_DRV_OACTIVE|IFF_SIMPLEX| 2280 IFF_LINK0|IFF_LINK1|IFF_LINK2); 2281 /* Linux' multicast flag is in a different bit */ 2282 if (flags & IFF_MULTICAST) { 2283 flags &= ~IFF_MULTICAST; 2284 flags |= 0x1000; 2285 } 2286 2287 return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); 2288} 2289 2290#define ARPHRD_ETHER 1 2291#define ARPHRD_LOOPBACK 772 2292 2293static int 2294linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) 2295{ 2296 struct ifaddr *ifa; 2297 struct sockaddr_dl *sdl; 2298 struct l_sockaddr lsa; 2299 2300 if (ifp->if_type == IFT_LOOP) { 2301 bzero(&lsa, sizeof(lsa)); 2302 lsa.sa_family = ARPHRD_LOOPBACK; 2303 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2304 } 2305 2306 if (ifp->if_type != IFT_ETHER) 2307 return (ENOENT); 2308 2309 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 2310 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 2311 if (sdl != NULL && (sdl->sdl_family == AF_LINK) && 2312 (sdl->sdl_type == IFT_ETHER)) { 2313 bzero(&lsa, sizeof(lsa)); 2314 lsa.sa_family = ARPHRD_ETHER; 2315 bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); 2316 return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); 2317 } 2318 } 2319 2320 return (ENOENT); 2321} 2322 2323 2324 /* 2325* If we fault in bsd_to_linux_ifreq() then we will fault when we call 2326* the native ioctl(). Thus, we don't really need to check the return 2327* value of this function. 2328*/ 2329static int 2330bsd_to_linux_ifreq(struct ifreq *arg) 2331{ 2332 struct ifreq ifr; 2333 size_t ifr_len = sizeof(struct ifreq); 2334 int error; 2335 2336 if ((error = copyin(arg, &ifr, ifr_len))) 2337 return (error); 2338 2339 *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; 2340 2341 error = copyout(&ifr, arg, ifr_len); 2342 2343 return (error); 2344} 2345 2346/* 2347 * Socket related ioctls 2348 */ 2349 2350static int 2351linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) 2352{ 2353 char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; 2354 cap_rights_t rights; 2355 struct ifnet *ifp; 2356 struct file *fp; 2357 int error, type; 2358 2359 ifp = NULL; 2360 error = 0; 2361 2362 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2363 if (error != 0) 2364 return (error); 2365 type = fp->f_type; 2366 fdrop(fp, td); 2367 if (type != DTYPE_SOCKET) { 2368 /* not a socket - probably a tap / vmnet device */ 2369 switch (args->cmd) { 2370 case LINUX_SIOCGIFADDR: 2371 case LINUX_SIOCSIFADDR: 2372 case LINUX_SIOCGIFFLAGS: 2373 return (linux_ioctl_special(td, args)); 2374 default: 2375 return (ENOIOCTL); 2376 } 2377 } 2378 2379 switch (args->cmd & 0xffff) { 2380 2381 case LINUX_FIOGETOWN: 2382 case LINUX_FIOSETOWN: 2383 case LINUX_SIOCADDMULTI: 2384 case LINUX_SIOCATMARK: 2385 case LINUX_SIOCDELMULTI: 2386 case LINUX_SIOCGIFCONF: 2387 case LINUX_SIOCGPGRP: 2388 case LINUX_SIOCSPGRP: 2389 case LINUX_SIOCGIFCOUNT: 2390 /* these ioctls don't take an interface name */ 2391#ifdef DEBUG 2392 printf("%s(): ioctl %d\n", __func__, 2393 args->cmd & 0xffff); 2394#endif 2395 break; 2396 2397 case LINUX_SIOCGIFFLAGS: 2398 case LINUX_SIOCGIFADDR: 2399 case LINUX_SIOCSIFADDR: 2400 case LINUX_SIOCGIFDSTADDR: 2401 case LINUX_SIOCGIFBRDADDR: 2402 case LINUX_SIOCGIFNETMASK: 2403 case LINUX_SIOCSIFNETMASK: 2404 case LINUX_SIOCGIFMTU: 2405 case LINUX_SIOCSIFMTU: 2406 case LINUX_SIOCSIFNAME: 2407 case LINUX_SIOCGIFHWADDR: 2408 case LINUX_SIOCSIFHWADDR: 2409 case LINUX_SIOCDEVPRIVATE: 2410 case LINUX_SIOCDEVPRIVATE+1: 2411 case LINUX_SIOCGIFINDEX: 2412 /* copy in the interface name and translate it. */ 2413 error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); 2414 if (error != 0) 2415 return (error); 2416#ifdef DEBUG 2417 printf("%s(): ioctl %d on %.*s\n", __func__, 2418 args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); 2419#endif 2420 ifp = ifname_linux_to_bsd(td, lifname, ifname); 2421 if (ifp == NULL) 2422 return (EINVAL); 2423 /* 2424 * We need to copy it back out in case we pass the 2425 * request on to our native ioctl(), which will expect 2426 * the ifreq to be in user space and have the correct 2427 * interface name. 2428 */ 2429 error = copyout(ifname, (void *)args->arg, IFNAMSIZ); 2430 if (error != 0) 2431 return (error); 2432#ifdef DEBUG 2433 printf("%s(): %s translated to %s\n", __func__, 2434 lifname, ifname); 2435#endif 2436 break; 2437 2438 default: 2439 return (ENOIOCTL); 2440 } 2441 2442 switch (args->cmd & 0xffff) { 2443 2444 case LINUX_FIOSETOWN: 2445 args->cmd = FIOSETOWN; 2446 error = sys_ioctl(td, (struct ioctl_args *)args); 2447 break; 2448 2449 case LINUX_SIOCSPGRP: 2450 args->cmd = SIOCSPGRP; 2451 error = sys_ioctl(td, (struct ioctl_args *)args); 2452 break; 2453 2454 case LINUX_FIOGETOWN: 2455 args->cmd = FIOGETOWN; 2456 error = sys_ioctl(td, (struct ioctl_args *)args); 2457 break; 2458 2459 case LINUX_SIOCGPGRP: 2460 args->cmd = SIOCGPGRP; 2461 error = sys_ioctl(td, (struct ioctl_args *)args); 2462 break; 2463 2464 case LINUX_SIOCATMARK: 2465 args->cmd = SIOCATMARK; 2466 error = sys_ioctl(td, (struct ioctl_args *)args); 2467 break; 2468 2469 /* LINUX_SIOCGSTAMP */ 2470 2471 case LINUX_SIOCGIFCONF: 2472 error = linux_ifconf(td, (struct ifconf *)args->arg); 2473 break; 2474 2475 case LINUX_SIOCGIFFLAGS: 2476 args->cmd = SIOCGIFFLAGS; 2477 error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); 2478 break; 2479 2480 case LINUX_SIOCGIFADDR: 2481 args->cmd = SIOCGIFADDR; 2482 error = sys_ioctl(td, (struct ioctl_args *)args); 2483 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2484 break; 2485 2486 case LINUX_SIOCSIFADDR: 2487 /* XXX probably doesn't work, included for completeness */ 2488 args->cmd = SIOCSIFADDR; 2489 error = sys_ioctl(td, (struct ioctl_args *)args); 2490 break; 2491 2492 case LINUX_SIOCGIFDSTADDR: 2493 args->cmd = SIOCGIFDSTADDR; 2494 error = sys_ioctl(td, (struct ioctl_args *)args); 2495 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2496 break; 2497 2498 case LINUX_SIOCGIFBRDADDR: 2499 args->cmd = SIOCGIFBRDADDR; 2500 error = sys_ioctl(td, (struct ioctl_args *)args); 2501 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2502 break; 2503 2504 case LINUX_SIOCGIFNETMASK: 2505 args->cmd = SIOCGIFNETMASK; 2506 error = sys_ioctl(td, (struct ioctl_args *)args); 2507 bsd_to_linux_ifreq((struct ifreq *)args->arg); 2508 break; 2509 2510 case LINUX_SIOCSIFNETMASK: 2511 error = ENOIOCTL; 2512 break; 2513 2514 case LINUX_SIOCGIFMTU: 2515 args->cmd = SIOCGIFMTU; 2516 error = sys_ioctl(td, (struct ioctl_args *)args); 2517 break; 2518 2519 case LINUX_SIOCSIFMTU: 2520 args->cmd = SIOCSIFMTU; 2521 error = sys_ioctl(td, (struct ioctl_args *)args); 2522 break; 2523 2524 case LINUX_SIOCSIFNAME: 2525 error = ENOIOCTL; 2526 break; 2527 2528 case LINUX_SIOCGIFHWADDR: 2529 error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); 2530 break; 2531 2532 case LINUX_SIOCSIFHWADDR: 2533 error = ENOIOCTL; 2534 break; 2535 2536 case LINUX_SIOCADDMULTI: 2537 args->cmd = SIOCADDMULTI; 2538 error = sys_ioctl(td, (struct ioctl_args *)args); 2539 break; 2540 2541 case LINUX_SIOCDELMULTI: 2542 args->cmd = SIOCDELMULTI; 2543 error = sys_ioctl(td, (struct ioctl_args *)args); 2544 break; 2545 2546 case LINUX_SIOCGIFINDEX: 2547 args->cmd = SIOCGIFINDEX; 2548 error = sys_ioctl(td, (struct ioctl_args *)args); 2549 break; 2550 2551 case LINUX_SIOCGIFCOUNT: 2552 error = 0; 2553 break; 2554 2555 /* 2556 * XXX This is slightly bogus, but these ioctls are currently 2557 * XXX only used by the aironet (if_an) network driver. 2558 */ 2559 case LINUX_SIOCDEVPRIVATE: 2560 args->cmd = SIOCGPRIVATE_0; 2561 error = sys_ioctl(td, (struct ioctl_args *)args); 2562 break; 2563 2564 case LINUX_SIOCDEVPRIVATE+1: 2565 args->cmd = SIOCGPRIVATE_1; 2566 error = sys_ioctl(td, (struct ioctl_args *)args); 2567 break; 2568 } 2569 2570 if (ifp != NULL) 2571 /* restore the original interface name */ 2572 copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); 2573 2574#ifdef DEBUG 2575 printf("%s(): returning %d\n", __func__, error); 2576#endif 2577 return (error); 2578} 2579 2580/* 2581 * Device private ioctl handler 2582 */ 2583static int 2584linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) 2585{ 2586 cap_rights_t rights; 2587 struct file *fp; 2588 int error, type; 2589 2590 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2591 if (error != 0) 2592 return (error); 2593 type = fp->f_type; 2594 fdrop(fp, td); 2595 if (type == DTYPE_SOCKET) 2596 return (linux_ioctl_socket(td, args)); 2597 return (ENOIOCTL); 2598} 2599 2600/* 2601 * DRM ioctl handler (sys/dev/drm) 2602 */ 2603static int 2604linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) 2605{ 2606 args->cmd = SETDIR(args->cmd); 2607 return sys_ioctl(td, (struct ioctl_args *)args); 2608} 2609 2610#ifdef COMPAT_LINUX32 2611#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 2612#define PTRIN_CP(src,dst,fld) \ 2613 do { (dst).fld = PTRIN((src).fld); } while (0) 2614#define PTROUT_CP(src,dst,fld) \ 2615 do { (dst).fld = PTROUT((src).fld); } while (0) 2616 2617static int 2618linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) 2619{ 2620 struct sg_io_hdr io; 2621 struct sg_io_hdr32 io32; 2622 cap_rights_t rights; 2623 struct file *fp; 2624 int error; 2625 2626 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 2627 if (error != 0) { 2628 printf("sg_linux_ioctl: fget returned %d\n", error); 2629 return (error); 2630 } 2631 2632 if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) 2633 goto out; 2634 2635 CP(io32, io, interface_id); 2636 CP(io32, io, dxfer_direction); 2637 CP(io32, io, cmd_len); 2638 CP(io32, io, mx_sb_len); 2639 CP(io32, io, iovec_count); 2640 CP(io32, io, dxfer_len); 2641 PTRIN_CP(io32, io, dxferp); 2642 PTRIN_CP(io32, io, cmdp); 2643 PTRIN_CP(io32, io, sbp); 2644 CP(io32, io, timeout); 2645 CP(io32, io, flags); 2646 CP(io32, io, pack_id); 2647 PTRIN_CP(io32, io, usr_ptr); 2648 CP(io32, io, status); 2649 CP(io32, io, masked_status); 2650 CP(io32, io, msg_status); 2651 CP(io32, io, sb_len_wr); 2652 CP(io32, io, host_status); 2653 CP(io32, io, driver_status); 2654 CP(io32, io, resid); 2655 CP(io32, io, duration); 2656 CP(io32, io, info); 2657 2658 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 2659 goto out; 2660 2661 CP(io, io32, interface_id); 2662 CP(io, io32, dxfer_direction); 2663 CP(io, io32, cmd_len); 2664 CP(io, io32, mx_sb_len); 2665 CP(io, io32, iovec_count); 2666 CP(io, io32, dxfer_len); 2667 PTROUT_CP(io, io32, dxferp); 2668 PTROUT_CP(io, io32, cmdp); 2669 PTROUT_CP(io, io32, sbp); 2670 CP(io, io32, timeout); 2671 CP(io, io32, flags); 2672 CP(io, io32, pack_id); 2673 PTROUT_CP(io, io32, usr_ptr); 2674 CP(io, io32, status); 2675 CP(io, io32, masked_status); 2676 CP(io, io32, msg_status); 2677 CP(io, io32, sb_len_wr); 2678 CP(io, io32, host_status); 2679 CP(io, io32, driver_status); 2680 CP(io, io32, resid); 2681 CP(io, io32, duration); 2682 CP(io, io32, info); 2683 2684 error = copyout(&io32, (void *)args->arg, sizeof(io32)); 2685 2686out: 2687 fdrop(fp, td); 2688 return (error); 2689} 2690#endif 2691 2692static int 2693linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) 2694{ 2695 2696 switch (args->cmd) { 2697 case LINUX_SG_GET_VERSION_NUM: 2698 args->cmd = SG_GET_VERSION_NUM; 2699 break; 2700 case LINUX_SG_SET_TIMEOUT: 2701 args->cmd = SG_SET_TIMEOUT; 2702 break; 2703 case LINUX_SG_GET_TIMEOUT: 2704 args->cmd = SG_GET_TIMEOUT; 2705 break; 2706 case LINUX_SG_IO: 2707 args->cmd = SG_IO; 2708#ifdef COMPAT_LINUX32 2709 return (linux_ioctl_sg_io(td, args)); 2710#endif 2711 break; 2712 case LINUX_SG_GET_RESERVED_SIZE: 2713 args->cmd = SG_GET_RESERVED_SIZE; 2714 break; 2715 case LINUX_SG_GET_SCSI_ID: 2716 args->cmd = SG_GET_SCSI_ID; 2717 break; 2718 case LINUX_SG_GET_SG_TABLESIZE: 2719 args->cmd = SG_GET_SG_TABLESIZE; 2720 break; 2721 default: 2722 return (ENODEV); 2723 } 2724 return (sys_ioctl(td, (struct ioctl_args *)args)); 2725} 2726 2727/* 2728 * Video4Linux (V4L) ioctl handler 2729 */ 2730static int 2731linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) 2732{ 2733 vt->tuner = lvt->tuner; 2734 strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2735 vt->rangelow = lvt->rangelow; /* possible long size conversion */ 2736 vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ 2737 vt->flags = lvt->flags; 2738 vt->mode = lvt->mode; 2739 vt->signal = lvt->signal; 2740 return (0); 2741} 2742 2743static int 2744bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) 2745{ 2746 lvt->tuner = vt->tuner; 2747 strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); 2748 lvt->rangelow = vt->rangelow; /* possible long size conversion */ 2749 lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ 2750 lvt->flags = vt->flags; 2751 lvt->mode = vt->mode; 2752 lvt->signal = vt->signal; 2753 return (0); 2754} 2755 2756#ifdef COMPAT_LINUX_V4L_CLIPLIST 2757static int 2758linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) 2759{ 2760 vc->x = lvc->x; 2761 vc->y = lvc->y; 2762 vc->width = lvc->width; 2763 vc->height = lvc->height; 2764 vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ 2765 return (0); 2766} 2767#endif 2768 2769static int 2770linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) 2771{ 2772 vw->x = lvw->x; 2773 vw->y = lvw->y; 2774 vw->width = lvw->width; 2775 vw->height = lvw->height; 2776 vw->chromakey = lvw->chromakey; 2777 vw->flags = lvw->flags; 2778 vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ 2779 vw->clipcount = lvw->clipcount; 2780 return (0); 2781} 2782 2783static int 2784bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) 2785{ 2786 lvw->x = vw->x; 2787 lvw->y = vw->y; 2788 lvw->width = vw->width; 2789 lvw->height = vw->height; 2790 lvw->chromakey = vw->chromakey; 2791 lvw->flags = vw->flags; 2792 lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ 2793 lvw->clipcount = vw->clipcount; 2794 return (0); 2795} 2796 2797static int 2798linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) 2799{ 2800 vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ 2801 vb->height = lvb->height; 2802 vb->width = lvb->width; 2803 vb->depth = lvb->depth; 2804 vb->bytesperline = lvb->bytesperline; 2805 return (0); 2806} 2807 2808static int 2809bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) 2810{ 2811 lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ 2812 lvb->height = vb->height; 2813 lvb->width = vb->width; 2814 lvb->depth = vb->depth; 2815 lvb->bytesperline = vb->bytesperline; 2816 return (0); 2817} 2818 2819static int 2820linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) 2821{ 2822 strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); 2823 vc->datasize = lvc->datasize; 2824 vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ 2825 return (0); 2826} 2827 2828#ifdef COMPAT_LINUX_V4L_CLIPLIST 2829static int 2830linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) 2831{ 2832 int error; 2833 struct video_clip vclip; 2834 struct l_video_clip l_vclip; 2835 2836 error = copyin(lvc, &l_vclip, sizeof(l_vclip)); 2837 if (error) return (error); 2838 linux_to_bsd_v4l_clip(&l_vclip, &vclip); 2839 /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ 2840 if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) 2841 return (ENOMEM); /* XXX: linux has no ENOMEM here */ 2842 memcpy(*ppvc, &vclip, sizeof(vclip)); 2843 (*ppvc)->next = NULL; 2844 return (0); 2845} 2846 2847static int 2848linux_v4l_cliplist_free(struct video_window *vw) 2849{ 2850 struct video_clip **ppvc; 2851 struct video_clip **ppvc_next; 2852 2853 for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { 2854 ppvc_next = &((*ppvc)->next); 2855 free(*ppvc, M_LINUX); 2856 } 2857 vw->clips = NULL; 2858 2859 return (0); 2860} 2861 2862static int 2863linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) 2864{ 2865 int error; 2866 int clipcount; 2867 void *plvc; 2868 struct video_clip **ppvc; 2869 2870 /* 2871 * XXX: The cliplist is used to pass in a list of clipping 2872 * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a 2873 * clipping bitmap. Some Linux apps, however, appear to 2874 * leave cliplist and clips uninitialized. In any case, 2875 * the cliplist is not used by pwc(4), at the time of 2876 * writing, FreeBSD's only V4L driver. When a driver 2877 * that uses the cliplist is developed, this code may 2878 * need re-examiniation. 2879 */ 2880 error = 0; 2881 clipcount = vw->clipcount; 2882 if (clipcount == VIDEO_CLIP_BITMAP) { 2883 /* 2884 * In this case, the pointer (clips) is overloaded 2885 * to be a "void *" to a bitmap, therefore there 2886 * is no struct video_clip to copy now. 2887 */ 2888 } else if (clipcount > 0 && clipcount <= 16384) { 2889 /* 2890 * Clips points to list of clip rectangles, so 2891 * copy the list. 2892 * 2893 * XXX: Upper limit of 16384 was used here to try to 2894 * avoid cases when clipcount and clips pointer 2895 * are uninitialized and therefore have high random 2896 * values, as is the case in the Linux Skype 2897 * application. The value 16384 was chosen as that 2898 * is what is used in the Linux stradis(4) MPEG 2899 * decoder driver, the only place we found an 2900 * example of cliplist use. 2901 */ 2902 plvc = PTRIN(lvw->clips); 2903 vw->clips = NULL; 2904 ppvc = &(vw->clips); 2905 while (clipcount-- > 0) { 2906 if (plvc == 0) { 2907 error = EFAULT; 2908 break; 2909 } else { 2910 error = linux_v4l_clip_copy(plvc, ppvc); 2911 if (error) { 2912 linux_v4l_cliplist_free(vw); 2913 break; 2914 } 2915 } 2916 ppvc = &((*ppvc)->next); 2917 plvc = PTRIN(((struct l_video_clip *) plvc)->next); 2918 } 2919 } else { 2920 /* 2921 * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) 2922 * Force cliplist to null. 2923 */ 2924 vw->clipcount = 0; 2925 vw->clips = NULL; 2926 } 2927 return (error); 2928} 2929#endif 2930 2931static int 2932linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) 2933{ 2934 cap_rights_t rights; 2935 struct file *fp; 2936 int error; 2937 struct video_tuner vtun; 2938 struct video_window vwin; 2939 struct video_buffer vbuf; 2940 struct video_code vcode; 2941 struct l_video_tuner l_vtun; 2942 struct l_video_window l_vwin; 2943 struct l_video_buffer l_vbuf; 2944 struct l_video_code l_vcode; 2945 2946 switch (args->cmd & 0xffff) { 2947 case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; 2948 case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; 2949 case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; 2950 2951 case LINUX_VIDIOCGTUNER: 2952 error = fget(td, args->fd, 2953 cap_rights_init(&rights, CAP_IOCTL), &fp); 2954 if (error != 0) 2955 return (error); 2956 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2957 if (error) { 2958 fdrop(fp, td); 2959 return (error); 2960 } 2961 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2962 error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); 2963 if (!error) { 2964 bsd_to_linux_v4l_tuner(&vtun, &l_vtun); 2965 error = copyout(&l_vtun, (void *) args->arg, 2966 sizeof(l_vtun)); 2967 } 2968 fdrop(fp, td); 2969 return (error); 2970 2971 case LINUX_VIDIOCSTUNER: 2972 error = fget(td, args->fd, 2973 cap_rights_init(&rights, CAP_IOCTL), &fp); 2974 if (error != 0) 2975 return (error); 2976 error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); 2977 if (error) { 2978 fdrop(fp, td); 2979 return (error); 2980 } 2981 linux_to_bsd_v4l_tuner(&l_vtun, &vtun); 2982 error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); 2983 fdrop(fp, td); 2984 return (error); 2985 2986 case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; 2987 case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; 2988 case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; 2989 2990 case LINUX_VIDIOCGWIN: 2991 error = fget(td, args->fd, 2992 cap_rights_init(&rights, CAP_IOCTL), &fp); 2993 if (error != 0) 2994 return (error); 2995 error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); 2996 if (!error) { 2997 bsd_to_linux_v4l_window(&vwin, &l_vwin); 2998 error = copyout(&l_vwin, (void *) args->arg, 2999 sizeof(l_vwin)); 3000 } 3001 fdrop(fp, td); 3002 return (error); 3003 3004 case LINUX_VIDIOCSWIN: 3005 error = fget(td, args->fd, 3006 cap_rights_init(&rights, CAP_IOCTL), &fp); 3007 if (error != 0) 3008 return (error); 3009 error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); 3010 if (error) { 3011 fdrop(fp, td); 3012 return (error); 3013 } 3014 linux_to_bsd_v4l_window(&l_vwin, &vwin); 3015#ifdef COMPAT_LINUX_V4L_CLIPLIST 3016 error = linux_v4l_cliplist_copy(&l_vwin, &vwin); 3017 if (error) { 3018 fdrop(fp, td); 3019 return (error); 3020 } 3021#endif 3022 error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); 3023 fdrop(fp, td); 3024#ifdef COMPAT_LINUX_V4L_CLIPLIST 3025 linux_v4l_cliplist_free(&vwin); 3026#endif 3027 return (error); 3028 3029 case LINUX_VIDIOCGFBUF: 3030 error = fget(td, args->fd, 3031 cap_rights_init(&rights, CAP_IOCTL), &fp); 3032 if (error != 0) 3033 return (error); 3034 error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); 3035 if (!error) { 3036 bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); 3037 error = copyout(&l_vbuf, (void *) args->arg, 3038 sizeof(l_vbuf)); 3039 } 3040 fdrop(fp, td); 3041 return (error); 3042 3043 case LINUX_VIDIOCSFBUF: 3044 error = fget(td, args->fd, 3045 cap_rights_init(&rights, CAP_IOCTL), &fp); 3046 if (error != 0) 3047 return (error); 3048 error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); 3049 if (error) { 3050 fdrop(fp, td); 3051 return (error); 3052 } 3053 linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); 3054 error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); 3055 fdrop(fp, td); 3056 return (error); 3057 3058 case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; 3059 case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; 3060 case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; 3061 case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; 3062 case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; 3063 case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; 3064 case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; 3065 case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; 3066 case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; 3067 case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; 3068 case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; 3069 case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; 3070 case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; 3071 case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; 3072 3073 case LINUX_VIDIOCSMICROCODE: 3074 error = fget(td, args->fd, 3075 cap_rights_init(&rights, CAP_IOCTL), &fp); 3076 if (error != 0) 3077 return (error); 3078 error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); 3079 if (error) { 3080 fdrop(fp, td); 3081 return (error); 3082 } 3083 linux_to_bsd_v4l_code(&l_vcode, &vcode); 3084 error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); 3085 fdrop(fp, td); 3086 return (error); 3087 3088 case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; 3089 case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; 3090 default: return (ENOIOCTL); 3091 } 3092 3093 error = sys_ioctl(td, (struct ioctl_args *)args); 3094 return (error); 3095} 3096 3097/* 3098 * Special ioctl handler 3099 */ 3100static int 3101linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) 3102{ 3103 int error; 3104 3105 switch (args->cmd) { 3106 case LINUX_SIOCGIFADDR: 3107 args->cmd = SIOCGIFADDR; 3108 error = sys_ioctl(td, (struct ioctl_args *)args); 3109 break; 3110 case LINUX_SIOCSIFADDR: 3111 args->cmd = SIOCSIFADDR; 3112 error = sys_ioctl(td, (struct ioctl_args *)args); 3113 break; 3114 case LINUX_SIOCGIFFLAGS: 3115 args->cmd = SIOCGIFFLAGS; 3116 error = sys_ioctl(td, (struct ioctl_args *)args); 3117 break; 3118 default: 3119 error = ENOIOCTL; 3120 } 3121 3122 return (error); 3123} 3124 3125static int 3126linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) 3127{ 3128 vstd->index = lvstd->index; 3129 vstd->id = lvstd->id; 3130 memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3131 return (0); 3132} 3133 3134static int 3135bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) 3136{ 3137 lvstd->index = vstd->index; 3138 lvstd->id = vstd->id; 3139 memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name)); 3140 return (0); 3141} 3142 3143static int 3144linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) 3145{ 3146 vb->index = lvb->index; 3147 vb->type = lvb->type; 3148 vb->bytesused = lvb->bytesused; 3149 vb->flags = lvb->flags; 3150 vb->field = lvb->field; 3151 vb->timestamp.tv_sec = lvb->timestamp.tv_sec; 3152 vb->timestamp.tv_usec = lvb->timestamp.tv_usec; 3153 memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); 3154 vb->sequence = lvb->sequence; 3155 vb->memory = lvb->memory; 3156 if (lvb->memory == V4L2_MEMORY_USERPTR) 3157 /* possible pointer size conversion */ 3158 vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); 3159 else 3160 vb->m.offset = lvb->m.offset; 3161 vb->length = lvb->length; 3162 vb->input = lvb->input; 3163 vb->reserved = lvb->reserved; 3164 return (0); 3165} 3166 3167static int 3168bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) 3169{ 3170 lvb->index = vb->index; 3171 lvb->type = vb->type; 3172 lvb->bytesused = vb->bytesused; 3173 lvb->flags = vb->flags; 3174 lvb->field = vb->field; 3175 lvb->timestamp.tv_sec = vb->timestamp.tv_sec; 3176 lvb->timestamp.tv_usec = vb->timestamp.tv_usec; 3177 memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); 3178 lvb->sequence = vb->sequence; 3179 lvb->memory = vb->memory; 3180 if (vb->memory == V4L2_MEMORY_USERPTR) 3181 /* possible pointer size conversion */ 3182 lvb->m.userptr = PTROUT(vb->m.userptr); 3183 else 3184 lvb->m.offset = vb->m.offset; 3185 lvb->length = vb->length; 3186 lvb->input = vb->input; 3187 lvb->reserved = vb->reserved; 3188 return (0); 3189} 3190 3191static int 3192linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) 3193{ 3194 vf->type = lvf->type; 3195 if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3196#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3197 || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3198#endif 3199 ) 3200 /* 3201 * XXX TODO - needs 32 -> 64 bit conversion: 3202 * (unused by webcams?) 3203 */ 3204 return EINVAL; 3205 memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); 3206 return 0; 3207} 3208 3209static int 3210bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) 3211{ 3212 lvf->type = vf->type; 3213 if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY 3214#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3215 || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY 3216#endif 3217 ) 3218 /* 3219 * XXX TODO - needs 32 -> 64 bit conversion: 3220 * (unused by webcams?) 3221 */ 3222 return EINVAL; 3223 memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); 3224 return 0; 3225} 3226static int 3227linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) 3228{ 3229 cap_rights_t rights; 3230 struct file *fp; 3231 int error; 3232 struct v4l2_format vformat; 3233 struct l_v4l2_format l_vformat; 3234 struct v4l2_standard vstd; 3235 struct l_v4l2_standard l_vstd; 3236 struct l_v4l2_buffer l_vbuf; 3237 struct v4l2_buffer vbuf; 3238 struct v4l2_input vinp; 3239 3240 switch (args->cmd & 0xffff) { 3241 case LINUX_VIDIOC_RESERVED: 3242 case LINUX_VIDIOC_LOG_STATUS: 3243 if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) 3244 return ENOIOCTL; 3245 args->cmd = (args->cmd & 0xffff) | IOC_VOID; 3246 break; 3247 3248 case LINUX_VIDIOC_OVERLAY: 3249 case LINUX_VIDIOC_STREAMON: 3250 case LINUX_VIDIOC_STREAMOFF: 3251 case LINUX_VIDIOC_S_STD: 3252 case LINUX_VIDIOC_S_TUNER: 3253 case LINUX_VIDIOC_S_AUDIO: 3254 case LINUX_VIDIOC_S_AUDOUT: 3255 case LINUX_VIDIOC_S_MODULATOR: 3256 case LINUX_VIDIOC_S_FREQUENCY: 3257 case LINUX_VIDIOC_S_CROP: 3258 case LINUX_VIDIOC_S_JPEGCOMP: 3259 case LINUX_VIDIOC_S_PRIORITY: 3260 case LINUX_VIDIOC_DBG_S_REGISTER: 3261 case LINUX_VIDIOC_S_HW_FREQ_SEEK: 3262 case LINUX_VIDIOC_SUBSCRIBE_EVENT: 3263 case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: 3264 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; 3265 break; 3266 3267 case LINUX_VIDIOC_QUERYCAP: 3268 case LINUX_VIDIOC_G_STD: 3269 case LINUX_VIDIOC_G_AUDIO: 3270 case LINUX_VIDIOC_G_INPUT: 3271 case LINUX_VIDIOC_G_OUTPUT: 3272 case LINUX_VIDIOC_G_AUDOUT: 3273 case LINUX_VIDIOC_G_JPEGCOMP: 3274 case LINUX_VIDIOC_QUERYSTD: 3275 case LINUX_VIDIOC_G_PRIORITY: 3276 case LINUX_VIDIOC_QUERY_DV_PRESET: 3277 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; 3278 break; 3279 3280 case LINUX_VIDIOC_ENUM_FMT: 3281 case LINUX_VIDIOC_REQBUFS: 3282 case LINUX_VIDIOC_G_PARM: 3283 case LINUX_VIDIOC_S_PARM: 3284 case LINUX_VIDIOC_G_CTRL: 3285 case LINUX_VIDIOC_S_CTRL: 3286 case LINUX_VIDIOC_G_TUNER: 3287 case LINUX_VIDIOC_QUERYCTRL: 3288 case LINUX_VIDIOC_QUERYMENU: 3289 case LINUX_VIDIOC_S_INPUT: 3290 case LINUX_VIDIOC_S_OUTPUT: 3291 case LINUX_VIDIOC_ENUMOUTPUT: 3292 case LINUX_VIDIOC_G_MODULATOR: 3293 case LINUX_VIDIOC_G_FREQUENCY: 3294 case LINUX_VIDIOC_CROPCAP: 3295 case LINUX_VIDIOC_G_CROP: 3296 case LINUX_VIDIOC_ENUMAUDIO: 3297 case LINUX_VIDIOC_ENUMAUDOUT: 3298 case LINUX_VIDIOC_G_SLICED_VBI_CAP: 3299#ifdef VIDIOC_ENUM_FRAMESIZES 3300 case LINUX_VIDIOC_ENUM_FRAMESIZES: 3301 case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: 3302 case LINUX_VIDIOC_ENCODER_CMD: 3303 case LINUX_VIDIOC_TRY_ENCODER_CMD: 3304#endif 3305 case LINUX_VIDIOC_DBG_G_REGISTER: 3306 case LINUX_VIDIOC_DBG_G_CHIP_IDENT: 3307 case LINUX_VIDIOC_ENUM_DV_PRESETS: 3308 case LINUX_VIDIOC_S_DV_PRESET: 3309 case LINUX_VIDIOC_G_DV_PRESET: 3310 case LINUX_VIDIOC_S_DV_TIMINGS: 3311 case LINUX_VIDIOC_G_DV_TIMINGS: 3312 args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; 3313 break; 3314 3315 case LINUX_VIDIOC_G_FMT: 3316 case LINUX_VIDIOC_S_FMT: 3317 case LINUX_VIDIOC_TRY_FMT: 3318 error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); 3319 if (error) 3320 return (error); 3321 error = fget(td, args->fd, 3322 cap_rights_init(&rights, CAP_IOCTL), &fp); 3323 if (error) 3324 return (error); 3325 if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) 3326 error = EINVAL; 3327 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) 3328 error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, 3329 td->td_ucred, td); 3330 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) 3331 error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, 3332 td->td_ucred, td); 3333 else 3334 error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, 3335 td->td_ucred, td); 3336 bsd_to_linux_v4l2_format(&vformat, &l_vformat); 3337 copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); 3338 fdrop(fp, td); 3339 return (error); 3340 3341 case LINUX_VIDIOC_ENUMSTD: 3342 error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); 3343 if (error) 3344 return (error); 3345 linux_to_bsd_v4l2_standard(&l_vstd, &vstd); 3346 error = fget(td, args->fd, 3347 cap_rights_init(&rights, CAP_IOCTL), &fp); 3348 if (error) 3349 return (error); 3350 error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, 3351 td->td_ucred, td); 3352 if (error) { 3353 fdrop(fp, td); 3354 return (error); 3355 } 3356 bsd_to_linux_v4l2_standard(&vstd, &l_vstd); 3357 error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); 3358 fdrop(fp, td); 3359 return (error); 3360 3361 case LINUX_VIDIOC_ENUMINPUT: 3362 /* 3363 * The Linux struct l_v4l2_input differs only in size, 3364 * it has no padding at the end. 3365 */ 3366 error = copyin((void *)args->arg, &vinp, 3367 sizeof(struct l_v4l2_input)); 3368 if (error != 0) 3369 return (error); 3370 error = fget(td, args->fd, 3371 cap_rights_init(&rights, CAP_IOCTL), &fp); 3372 if (error != 0) 3373 return (error); 3374 error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, 3375 td->td_ucred, td); 3376 if (error) { 3377 fdrop(fp, td); 3378 return (error); 3379 } 3380 error = copyout(&vinp, (void *)args->arg, 3381 sizeof(struct l_v4l2_input)); 3382 fdrop(fp, td); 3383 return (error); 3384 3385 case LINUX_VIDIOC_QUERYBUF: 3386 case LINUX_VIDIOC_QBUF: 3387 case LINUX_VIDIOC_DQBUF: 3388 error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); 3389 if (error) 3390 return (error); 3391 error = fget(td, args->fd, 3392 cap_rights_init(&rights, CAP_IOCTL), &fp); 3393 if (error) 3394 return (error); 3395 linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); 3396 if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) 3397 error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, 3398 td->td_ucred, td); 3399 else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) 3400 error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, 3401 td->td_ucred, td); 3402 else 3403 error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, 3404 td->td_ucred, td); 3405 bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); 3406 copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); 3407 fdrop(fp, td); 3408 return (error); 3409 3410 /* 3411 * XXX TODO - these need 32 -> 64 bit conversion: 3412 * (are any of them needed for webcams?) 3413 */ 3414 case LINUX_VIDIOC_G_FBUF: 3415 case LINUX_VIDIOC_S_FBUF: 3416 3417 case LINUX_VIDIOC_G_EXT_CTRLS: 3418 case LINUX_VIDIOC_S_EXT_CTRLS: 3419 case LINUX_VIDIOC_TRY_EXT_CTRLS: 3420 3421 case LINUX_VIDIOC_DQEVENT: 3422 3423 default: return (ENOIOCTL); 3424 } 3425 3426 error = sys_ioctl(td, (struct ioctl_args *)args); 3427 return (error); 3428} 3429 3430/* 3431 * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros 3432 * instead of USB* ones. This lets us to provide correct values for cmd. 3433 * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. 3434 */ 3435static int 3436linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) 3437{ 3438 int error; 3439 3440 error = 0; 3441 switch (args->cmd) { 3442 case FBSD_LUSB_DEVICEENUMERATE: 3443 args->cmd = USB_DEVICEENUMERATE; 3444 break; 3445 case FBSD_LUSB_DEV_QUIRK_ADD: 3446 args->cmd = USB_DEV_QUIRK_ADD; 3447 break; 3448 case FBSD_LUSB_DEV_QUIRK_GET: 3449 args->cmd = USB_DEV_QUIRK_GET; 3450 break; 3451 case FBSD_LUSB_DEV_QUIRK_REMOVE: 3452 args->cmd = USB_DEV_QUIRK_REMOVE; 3453 break; 3454 case FBSD_LUSB_DO_REQUEST: 3455 args->cmd = USB_DO_REQUEST; 3456 break; 3457 case FBSD_LUSB_FS_CLEAR_STALL_SYNC: 3458 args->cmd = USB_FS_CLEAR_STALL_SYNC; 3459 break; 3460 case FBSD_LUSB_FS_CLOSE: 3461 args->cmd = USB_FS_CLOSE; 3462 break; 3463 case FBSD_LUSB_FS_COMPLETE: 3464 args->cmd = USB_FS_COMPLETE; 3465 break; 3466 case FBSD_LUSB_FS_INIT: 3467 args->cmd = USB_FS_INIT; 3468 break; 3469 case FBSD_LUSB_FS_OPEN: 3470 args->cmd = USB_FS_OPEN; 3471 break; 3472 case FBSD_LUSB_FS_START: 3473 args->cmd = USB_FS_START; 3474 break; 3475 case FBSD_LUSB_FS_STOP: 3476 args->cmd = USB_FS_STOP; 3477 break; 3478 case FBSD_LUSB_FS_UNINIT: 3479 args->cmd = USB_FS_UNINIT; 3480 break; 3481 case FBSD_LUSB_GET_CONFIG: 3482 args->cmd = USB_GET_CONFIG; 3483 break; 3484 case FBSD_LUSB_GET_DEVICEINFO: 3485 args->cmd = USB_GET_DEVICEINFO; 3486 break; 3487 case FBSD_LUSB_GET_DEVICE_DESC: 3488 args->cmd = USB_GET_DEVICE_DESC; 3489 break; 3490 case FBSD_LUSB_GET_FULL_DESC: 3491 args->cmd = USB_GET_FULL_DESC; 3492 break; 3493 case FBSD_LUSB_GET_IFACE_DRIVER: 3494 args->cmd = USB_GET_IFACE_DRIVER; 3495 break; 3496 case FBSD_LUSB_GET_PLUGTIME: 3497 args->cmd = USB_GET_PLUGTIME; 3498 break; 3499 case FBSD_LUSB_GET_POWER_MODE: 3500 args->cmd = USB_GET_POWER_MODE; 3501 break; 3502 case FBSD_LUSB_GET_REPORT_DESC: 3503 args->cmd = USB_GET_REPORT_DESC; 3504 break; 3505 case FBSD_LUSB_GET_REPORT_ID: 3506 args->cmd = USB_GET_REPORT_ID; 3507 break; 3508 case FBSD_LUSB_GET_TEMPLATE: 3509 args->cmd = USB_GET_TEMPLATE; 3510 break; 3511 case FBSD_LUSB_IFACE_DRIVER_ACTIVE: 3512 args->cmd = USB_IFACE_DRIVER_ACTIVE; 3513 break; 3514 case FBSD_LUSB_IFACE_DRIVER_DETACH: 3515 args->cmd = USB_IFACE_DRIVER_DETACH; 3516 break; 3517 case FBSD_LUSB_QUIRK_NAME_GET: 3518 args->cmd = USB_QUIRK_NAME_GET; 3519 break; 3520 case FBSD_LUSB_READ_DIR: 3521 args->cmd = USB_READ_DIR; 3522 break; 3523 case FBSD_LUSB_SET_ALTINTERFACE: 3524 args->cmd = USB_SET_ALTINTERFACE; 3525 break; 3526 case FBSD_LUSB_SET_CONFIG: 3527 args->cmd = USB_SET_CONFIG; 3528 break; 3529 case FBSD_LUSB_SET_IMMED: 3530 args->cmd = USB_SET_IMMED; 3531 break; 3532 case FBSD_LUSB_SET_POWER_MODE: 3533 args->cmd = USB_SET_POWER_MODE; 3534 break; 3535 case FBSD_LUSB_SET_TEMPLATE: 3536 args->cmd = USB_SET_TEMPLATE; 3537 break; 3538 case FBSD_LUSB_FS_OPEN_STREAM: 3539 args->cmd = USB_FS_OPEN_STREAM; 3540 break; 3541 case FBSD_LUSB_GET_DEV_PORT_PATH: 3542 args->cmd = USB_GET_DEV_PORT_PATH; 3543 break; 3544 case FBSD_LUSB_GET_POWER_USAGE: 3545 args->cmd = USB_GET_POWER_USAGE; 3546 break; 3547 default: 3548 error = ENOIOCTL; 3549 } 3550 if (error != ENOIOCTL) 3551 error = sys_ioctl(td, (struct ioctl_args *)args); 3552 return (error); 3553} 3554 3555/* 3556 * main ioctl syscall function 3557 */ 3558 3559int 3560linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 3561{ 3562 cap_rights_t rights; 3563 struct file *fp; 3564 struct handler_element *he; 3565 int error, cmd; 3566 3567#ifdef DEBUG 3568 if (ldebug(ioctl)) 3569 printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, 3570 (unsigned long)args->cmd); 3571#endif 3572 3573 error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 3574 if (error != 0) 3575 return (error); 3576 if ((fp->f_flag & (FREAD|FWRITE)) == 0) { 3577 fdrop(fp, td); 3578 return (EBADF); 3579 } 3580 3581 /* Iterate over the ioctl handlers */ 3582 cmd = args->cmd & 0xffff; 3583 sx_slock(&linux_ioctl_sx); 3584 mtx_lock(&Giant); 3585 TAILQ_FOREACH(he, &handlers, list) { 3586 if (cmd >= he->low && cmd <= he->high) { 3587 error = (*he->func)(td, args); 3588 if (error != ENOIOCTL) { 3589 mtx_unlock(&Giant); 3590 sx_sunlock(&linux_ioctl_sx); 3591 fdrop(fp, td); 3592 return (error); 3593 } 3594 } 3595 } 3596 mtx_unlock(&Giant); 3597 sx_sunlock(&linux_ioctl_sx); 3598 fdrop(fp, td); 3599 3600 switch (args->cmd & 0xffff) { 3601 case LINUX_BTRFS_IOC_CLONE: 3602 return (ENOTSUP); 3603 3604 default: 3605 linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", 3606 args->fd, (int)(args->cmd & 0xffff), 3607 (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); 3608 break; 3609 } 3610 3611 return (EINVAL); 3612} 3613 3614int 3615linux_ioctl_register_handler(struct linux_ioctl_handler *h) 3616{ 3617 struct handler_element *he, *cur; 3618 3619 if (h == NULL || h->func == NULL) 3620 return (EINVAL); 3621 3622 /* 3623 * Reuse the element if the handler is already on the list, otherwise 3624 * create a new element. 3625 */ 3626 sx_xlock(&linux_ioctl_sx); 3627 TAILQ_FOREACH(he, &handlers, list) { 3628 if (he->func == h->func) 3629 break; 3630 } 3631 if (he == NULL) { 3632 he = malloc(sizeof(*he), 3633 M_LINUX, M_WAITOK); 3634 he->func = h->func; 3635 } else 3636 TAILQ_REMOVE(&handlers, he, list); 3637 3638 /* Initialize range information. */ 3639 he->low = h->low; 3640 he->high = h->high; 3641 he->span = h->high - h->low + 1; 3642 3643 /* Add the element to the list, sorted on span. */ 3644 TAILQ_FOREACH(cur, &handlers, list) { 3645 if (cur->span > he->span) { 3646 TAILQ_INSERT_BEFORE(cur, he, list); 3647 sx_xunlock(&linux_ioctl_sx); 3648 return (0); 3649 } 3650 } 3651 TAILQ_INSERT_TAIL(&handlers, he, list); 3652 sx_xunlock(&linux_ioctl_sx); 3653 3654 return (0); 3655} 3656 3657int 3658linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) 3659{ 3660 struct handler_element *he; 3661 3662 if (h == NULL || h->func == NULL) 3663 return (EINVAL); 3664 3665 sx_xlock(&linux_ioctl_sx); 3666 TAILQ_FOREACH(he, &handlers, list) { 3667 if (he->func == h->func) { 3668 TAILQ_REMOVE(&handlers, he, list); 3669 sx_xunlock(&linux_ioctl_sx); 3670 free(he, M_LINUX); 3671 return (0); 3672 } 3673 } 3674 sx_xunlock(&linux_ioctl_sx); 3675 3676 return (EINVAL); 3677} 3678