tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
1
fork

Configure Feed

Select the types of activity you want to include in your feed.

kernel / fs / compat_ioctl.c
at v4.14-rc8 1641 lines 47 kB view raw
1// SPDX-License-Identifier: GPL-2.0 2/* 3 * ioctl32.c: Conversion between 32bit and 64bit native ioctls. 4 * 5 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) 6 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) 7 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs 8 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz) 9 * 10 * These routines maintain argument size conversion between 32bit and 64bit 11 * ioctls. 12 */ 13 14#include <linux/joystick.h> 15 16#include <linux/types.h> 17#include <linux/compat.h> 18#include <linux/kernel.h> 19#include <linux/capability.h> 20#include <linux/compiler.h> 21#include <linux/sched.h> 22#include <linux/smp.h> 23#include <linux/ioctl.h> 24#include <linux/if.h> 25#include <linux/if_bridge.h> 26#include <linux/raid/md_u.h> 27#include <linux/kd.h> 28#include <linux/route.h> 29#include <linux/in6.h> 30#include <linux/ipv6_route.h> 31#include <linux/skbuff.h> 32#include <linux/netlink.h> 33#include <linux/vt.h> 34#include <linux/falloc.h> 35#include <linux/fs.h> 36#include <linux/file.h> 37#include <linux/ppp_defs.h> 38#include <linux/ppp-ioctl.h> 39#include <linux/if_pppox.h> 40#include <linux/mtio.h> 41#include <linux/auto_fs.h> 42#include <linux/auto_fs4.h> 43#include <linux/tty.h> 44#include <linux/vt_kern.h> 45#include <linux/fb.h> 46#include <linux/videodev2.h> 47#include <linux/netdevice.h> 48#include <linux/raw.h> 49#include <linux/blkdev.h> 50#include <linux/elevator.h> 51#include <linux/rtc.h> 52#include <linux/pci.h> 53#include <linux/serial.h> 54#include <linux/if_tun.h> 55#include <linux/ctype.h> 56#include <linux/syscalls.h> 57#include <linux/i2c.h> 58#include <linux/i2c-dev.h> 59#include <linux/atalk.h> 60#include <linux/gfp.h> 61#include <linux/cec.h> 62 63#include "internal.h" 64 65#include <net/bluetooth/bluetooth.h> 66#include <net/bluetooth/hci_sock.h> 67#include <net/bluetooth/rfcomm.h> 68 69#include <linux/capi.h> 70#include <linux/gigaset_dev.h> 71 72#ifdef CONFIG_BLOCK 73#include <linux/cdrom.h> 74#include <linux/fd.h> 75#include <scsi/scsi.h> 76#include <scsi/scsi_ioctl.h> 77#include <scsi/sg.h> 78#endif 79 80#include <linux/uaccess.h> 81#include <linux/ethtool.h> 82#include <linux/mii.h> 83#include <linux/if_bonding.h> 84#include <linux/watchdog.h> 85 86#include <linux/soundcard.h> 87#include <linux/lp.h> 88#include <linux/ppdev.h> 89 90#include <linux/atm.h> 91#include <linux/atmarp.h> 92#include <linux/atmclip.h> 93#include <linux/atmdev.h> 94#include <linux/atmioc.h> 95#include <linux/atmlec.h> 96#include <linux/atmmpc.h> 97#include <linux/atmsvc.h> 98#include <linux/atm_tcp.h> 99#include <linux/sonet.h> 100#include <linux/atm_suni.h> 101 102#include <linux/usb.h> 103#include <linux/usbdevice_fs.h> 104#include <linux/nbd.h> 105#include <linux/random.h> 106#include <linux/filter.h> 107 108#include <linux/hiddev.h> 109 110#define __DVB_CORE__ 111#include <linux/dvb/audio.h> 112#include <linux/dvb/dmx.h> 113#include <linux/dvb/frontend.h> 114#include <linux/dvb/video.h> 115 116#include <linux/sort.h> 117 118#ifdef CONFIG_SPARC 119#include <asm/fbio.h> 120#endif 121 122#define convert_in_user(srcptr, dstptr) \ 123({ \ 124 typeof(*srcptr) val; \ 125 \ 126 get_user(val, srcptr) || put_user(val, dstptr); \ 127}) 128 129static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 130{ 131 int err; 132 133 err = security_file_ioctl(file, cmd, arg); 134 if (err) 135 return err; 136 137 return vfs_ioctl(file, cmd, arg); 138} 139 140static int w_long(struct file *file, 141 unsigned int cmd, compat_ulong_t __user *argp) 142{ 143 int err; 144 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp)); 145 146 if (valp == NULL) 147 return -EFAULT; 148 err = do_ioctl(file, cmd, (unsigned long)valp); 149 if (err) 150 return err; 151 if (convert_in_user(valp, argp)) 152 return -EFAULT; 153 return 0; 154} 155 156struct compat_video_event { 157 int32_t type; 158 compat_time_t timestamp; 159 union { 160 video_size_t size; 161 unsigned int frame_rate; 162 } u; 163}; 164 165static int do_video_get_event(struct file *file, 166 unsigned int cmd, struct compat_video_event __user *up) 167{ 168 struct video_event __user *kevent = 169 compat_alloc_user_space(sizeof(*kevent)); 170 int err; 171 172 if (kevent == NULL) 173 return -EFAULT; 174 175 err = do_ioctl(file, cmd, (unsigned long)kevent); 176 if (!err) { 177 err = convert_in_user(&kevent->type, &up->type); 178 err |= convert_in_user(&kevent->timestamp, &up->timestamp); 179 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w); 180 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h); 181 err |= convert_in_user(&kevent->u.size.aspect_ratio, 182 &up->u.size.aspect_ratio); 183 if (err) 184 err = -EFAULT; 185 } 186 187 return err; 188} 189 190struct compat_video_still_picture { 191 compat_uptr_t iFrame; 192 int32_t size; 193}; 194 195static int do_video_stillpicture(struct file *file, 196 unsigned int cmd, struct compat_video_still_picture __user *up) 197{ 198 struct video_still_picture __user *up_native; 199 compat_uptr_t fp; 200 int32_t size; 201 int err; 202 203 err = get_user(fp, &up->iFrame); 204 err |= get_user(size, &up->size); 205 if (err) 206 return -EFAULT; 207 208 up_native = 209 compat_alloc_user_space(sizeof(struct video_still_picture)); 210 211 err = put_user(compat_ptr(fp), &up_native->iFrame); 212 err |= put_user(size, &up_native->size); 213 if (err) 214 return -EFAULT; 215 216 err = do_ioctl(file, cmd, (unsigned long) up_native); 217 218 return err; 219} 220 221struct compat_video_spu_palette { 222 int length; 223 compat_uptr_t palette; 224}; 225 226static int do_video_set_spu_palette(struct file *file, 227 unsigned int cmd, struct compat_video_spu_palette __user *up) 228{ 229 struct video_spu_palette __user *up_native; 230 compat_uptr_t palp; 231 int length, err; 232 233 err = get_user(palp, &up->palette); 234 err |= get_user(length, &up->length); 235 if (err) 236 return -EFAULT; 237 238 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette)); 239 err = put_user(compat_ptr(palp), &up_native->palette); 240 err |= put_user(length, &up_native->length); 241 if (err) 242 return -EFAULT; 243 244 err = do_ioctl(file, cmd, (unsigned long) up_native); 245 246 return err; 247} 248 249#ifdef CONFIG_BLOCK 250typedef struct sg_io_hdr32 { 251 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */ 252 compat_int_t dxfer_direction; /* [i] data transfer direction */ 253 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */ 254 unsigned char mx_sb_len; /* [i] max length to write to sbp */ 255 unsigned short iovec_count; /* [i] 0 implies no scatter gather */ 256 compat_uint_t dxfer_len; /* [i] byte count of data transfer */ 257 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory 258 or scatter gather list */ 259 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */ 260 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */ 261 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */ 262 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */ 263 compat_int_t pack_id; /* [i->o] unused internally (normally) */ 264 compat_uptr_t usr_ptr; /* [i->o] unused internally */ 265 unsigned char status; /* [o] scsi status */ 266 unsigned char masked_status; /* [o] shifted, masked scsi status */ 267 unsigned char msg_status; /* [o] messaging level data (optional) */ 268 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */ 269 unsigned short host_status; /* [o] errors from host adapter */ 270 unsigned short driver_status; /* [o] errors from software driver */ 271 compat_int_t resid; /* [o] dxfer_len - actual_transferred */ 272 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */ 273 compat_uint_t info; /* [o] auxiliary information */ 274} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */ 275 276typedef struct sg_iovec32 { 277 compat_uint_t iov_base; 278 compat_uint_t iov_len; 279} sg_iovec32_t; 280 281static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count) 282{ 283 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1); 284 sg_iovec32_t __user *iov32 = dxferp; 285 int i; 286 287 for (i = 0; i < iovec_count; i++) { 288 u32 base, len; 289 290 if (get_user(base, &iov32[i].iov_base) || 291 get_user(len, &iov32[i].iov_len) || 292 put_user(compat_ptr(base), &iov[i].iov_base) || 293 put_user(len, &iov[i].iov_len)) 294 return -EFAULT; 295 } 296 297 if (put_user(iov, &sgio->dxferp)) 298 return -EFAULT; 299 return 0; 300} 301 302static int sg_ioctl_trans(struct file *file, unsigned int cmd, 303 sg_io_hdr32_t __user *sgio32) 304{ 305 sg_io_hdr_t __user *sgio; 306 u16 iovec_count; 307 u32 data; 308 void __user *dxferp; 309 int err; 310 int interface_id; 311 312 if (get_user(interface_id, &sgio32->interface_id)) 313 return -EFAULT; 314 if (interface_id != 'S') 315 return do_ioctl(file, cmd, (unsigned long)sgio32); 316 317 if (get_user(iovec_count, &sgio32->iovec_count)) 318 return -EFAULT; 319 320 { 321 void __user *top = compat_alloc_user_space(0); 322 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) + 323 (iovec_count * sizeof(sg_iovec_t))); 324 if (new > top) 325 return -EINVAL; 326 327 sgio = new; 328 } 329 330 /* Ok, now construct. */ 331 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id, 332 (2 * sizeof(int)) + 333 (2 * sizeof(unsigned char)) + 334 (1 * sizeof(unsigned short)) + 335 (1 * sizeof(unsigned int)))) 336 return -EFAULT; 337 338 if (get_user(data, &sgio32->dxferp)) 339 return -EFAULT; 340 dxferp = compat_ptr(data); 341 if (iovec_count) { 342 if (sg_build_iovec(sgio, dxferp, iovec_count)) 343 return -EFAULT; 344 } else { 345 if (put_user(dxferp, &sgio->dxferp)) 346 return -EFAULT; 347 } 348 349 { 350 unsigned char __user *cmdp; 351 unsigned char __user *sbp; 352 353 if (get_user(data, &sgio32->cmdp)) 354 return -EFAULT; 355 cmdp = compat_ptr(data); 356 357 if (get_user(data, &sgio32->sbp)) 358 return -EFAULT; 359 sbp = compat_ptr(data); 360 361 if (put_user(cmdp, &sgio->cmdp) || 362 put_user(sbp, &sgio->sbp)) 363 return -EFAULT; 364 } 365 366 if (copy_in_user(&sgio->timeout, &sgio32->timeout, 367 3 * sizeof(int))) 368 return -EFAULT; 369 370 if (get_user(data, &sgio32->usr_ptr)) 371 return -EFAULT; 372 if (put_user(compat_ptr(data), &sgio->usr_ptr)) 373 return -EFAULT; 374 375 err = do_ioctl(file, cmd, (unsigned long) sgio); 376 377 if (err >= 0) { 378 void __user *datap; 379 380 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id, 381 sizeof(int)) || 382 get_user(datap, &sgio->usr_ptr) || 383 put_user((u32)(unsigned long)datap, 384 &sgio32->usr_ptr) || 385 copy_in_user(&sgio32->status, &sgio->status, 386 (4 * sizeof(unsigned char)) + 387 (2 * sizeof(unsigned short)) + 388 (3 * sizeof(int)))) 389 err = -EFAULT; 390 } 391 392 return err; 393} 394 395struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */ 396 char req_state; 397 char orphan; 398 char sg_io_owned; 399 char problem; 400 int pack_id; 401 compat_uptr_t usr_ptr; 402 unsigned int duration; 403 int unused; 404}; 405 406static int sg_grt_trans(struct file *file, 407 unsigned int cmd, struct compat_sg_req_info __user *o) 408{ 409 int err, i; 410 sg_req_info_t __user *r; 411 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE); 412 err = do_ioctl(file, cmd, (unsigned long)r); 413 if (err < 0) 414 return err; 415 for (i = 0; i < SG_MAX_QUEUE; i++) { 416 void __user *ptr; 417 int d; 418 419 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) || 420 get_user(ptr, &r[i].usr_ptr) || 421 get_user(d, &r[i].duration) || 422 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) || 423 put_user(d, &o[i].duration)) 424 return -EFAULT; 425 } 426 return err; 427} 428#endif /* CONFIG_BLOCK */ 429 430struct sock_fprog32 { 431 unsigned short len; 432 compat_caddr_t filter; 433}; 434 435#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32) 436#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32) 437 438static int ppp_sock_fprog_ioctl_trans(struct file *file, 439 unsigned int cmd, struct sock_fprog32 __user *u_fprog32) 440{ 441 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog)); 442 void __user *fptr64; 443 u32 fptr32; 444 u16 flen; 445 446 if (get_user(flen, &u_fprog32->len) || 447 get_user(fptr32, &u_fprog32->filter)) 448 return -EFAULT; 449 450 fptr64 = compat_ptr(fptr32); 451 452 if (put_user(flen, &u_fprog64->len) || 453 put_user(fptr64, &u_fprog64->filter)) 454 return -EFAULT; 455 456 if (cmd == PPPIOCSPASS32) 457 cmd = PPPIOCSPASS; 458 else 459 cmd = PPPIOCSACTIVE; 460 461 return do_ioctl(file, cmd, (unsigned long) u_fprog64); 462} 463 464struct ppp_option_data32 { 465 compat_caddr_t ptr; 466 u32 length; 467 compat_int_t transmit; 468}; 469#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32) 470 471struct ppp_idle32 { 472 compat_time_t xmit_idle; 473 compat_time_t recv_idle; 474}; 475#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32) 476 477static int ppp_gidle(struct file *file, unsigned int cmd, 478 struct ppp_idle32 __user *idle32) 479{ 480 struct ppp_idle __user *idle; 481 __kernel_time_t xmit, recv; 482 int err; 483 484 idle = compat_alloc_user_space(sizeof(*idle)); 485 486 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle); 487 488 if (!err) { 489 if (get_user(xmit, &idle->xmit_idle) || 490 get_user(recv, &idle->recv_idle) || 491 put_user(xmit, &idle32->xmit_idle) || 492 put_user(recv, &idle32->recv_idle)) 493 err = -EFAULT; 494 } 495 return err; 496} 497 498static int ppp_scompress(struct file *file, unsigned int cmd, 499 struct ppp_option_data32 __user *odata32) 500{ 501 struct ppp_option_data __user *odata; 502 __u32 data; 503 void __user *datap; 504 505 odata = compat_alloc_user_space(sizeof(*odata)); 506 507 if (get_user(data, &odata32->ptr)) 508 return -EFAULT; 509 510 datap = compat_ptr(data); 511 if (put_user(datap, &odata->ptr)) 512 return -EFAULT; 513 514 if (copy_in_user(&odata->length, &odata32->length, 515 sizeof(__u32) + sizeof(int))) 516 return -EFAULT; 517 518 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata); 519} 520 521#ifdef CONFIG_BLOCK 522struct mtget32 { 523 compat_long_t mt_type; 524 compat_long_t mt_resid; 525 compat_long_t mt_dsreg; 526 compat_long_t mt_gstat; 527 compat_long_t mt_erreg; 528 compat_daddr_t mt_fileno; 529 compat_daddr_t mt_blkno; 530}; 531#define MTIOCGET32 _IOR('m', 2, struct mtget32) 532 533struct mtpos32 { 534 compat_long_t mt_blkno; 535}; 536#define MTIOCPOS32 _IOR('m', 3, struct mtpos32) 537 538static int mt_ioctl_trans(struct file *file, 539 unsigned int cmd, void __user *argp) 540{ 541 /* NULL initialization to make gcc shut up */ 542 struct mtget __user *get = NULL; 543 struct mtget32 __user *umget32; 544 struct mtpos __user *pos = NULL; 545 struct mtpos32 __user *upos32; 546 unsigned long kcmd; 547 void *karg; 548 int err = 0; 549 550 switch(cmd) { 551 case MTIOCPOS32: 552 kcmd = MTIOCPOS; 553 pos = compat_alloc_user_space(sizeof(*pos)); 554 karg = pos; 555 break; 556 default: /* MTIOCGET32 */ 557 kcmd = MTIOCGET; 558 get = compat_alloc_user_space(sizeof(*get)); 559 karg = get; 560 break; 561 } 562 if (karg == NULL) 563 return -EFAULT; 564 err = do_ioctl(file, kcmd, (unsigned long)karg); 565 if (err) 566 return err; 567 switch (cmd) { 568 case MTIOCPOS32: 569 upos32 = argp; 570 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno); 571 break; 572 case MTIOCGET32: 573 umget32 = argp; 574 err = convert_in_user(&get->mt_type, &umget32->mt_type); 575 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid); 576 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg); 577 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat); 578 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg); 579 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno); 580 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno); 581 break; 582 } 583 return err ? -EFAULT: 0; 584} 585 586#endif /* CONFIG_BLOCK */ 587 588/* Bluetooth ioctls */ 589#define HCIUARTSETPROTO _IOW('U', 200, int) 590#define HCIUARTGETPROTO _IOR('U', 201, int) 591#define HCIUARTGETDEVICE _IOR('U', 202, int) 592#define HCIUARTSETFLAGS _IOW('U', 203, int) 593#define HCIUARTGETFLAGS _IOR('U', 204, int) 594 595#define BNEPCONNADD _IOW('B', 200, int) 596#define BNEPCONNDEL _IOW('B', 201, int) 597#define BNEPGETCONNLIST _IOR('B', 210, int) 598#define BNEPGETCONNINFO _IOR('B', 211, int) 599#define BNEPGETSUPPFEAT _IOR('B', 212, int) 600 601#define CMTPCONNADD _IOW('C', 200, int) 602#define CMTPCONNDEL _IOW('C', 201, int) 603#define CMTPGETCONNLIST _IOR('C', 210, int) 604#define CMTPGETCONNINFO _IOR('C', 211, int) 605 606#define HIDPCONNADD _IOW('H', 200, int) 607#define HIDPCONNDEL _IOW('H', 201, int) 608#define HIDPGETCONNLIST _IOR('H', 210, int) 609#define HIDPGETCONNINFO _IOR('H', 211, int) 610 611 612struct serial_struct32 { 613 compat_int_t type; 614 compat_int_t line; 615 compat_uint_t port; 616 compat_int_t irq; 617 compat_int_t flags; 618 compat_int_t xmit_fifo_size; 619 compat_int_t custom_divisor; 620 compat_int_t baud_base; 621 unsigned short close_delay; 622 char io_type; 623 char reserved_char[1]; 624 compat_int_t hub6; 625 unsigned short closing_wait; /* time to wait before closing */ 626 unsigned short closing_wait2; /* no longer used... */ 627 compat_uint_t iomem_base; 628 unsigned short iomem_reg_shift; 629 unsigned int port_high; 630 /* compat_ulong_t iomap_base FIXME */ 631 compat_int_t reserved[1]; 632}; 633 634static int serial_struct_ioctl(struct file *file, 635 unsigned cmd, struct serial_struct32 __user *ss32) 636{ 637 typedef struct serial_struct32 SS32; 638 int err; 639 struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss)); 640 __u32 udata; 641 unsigned int base; 642 unsigned char *iomem_base; 643 644 if (ss == NULL) 645 return -EFAULT; 646 if (cmd == TIOCSSERIAL) { 647 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) || 648 get_user(udata, &ss32->iomem_base)) 649 return -EFAULT; 650 iomem_base = compat_ptr(udata); 651 if (put_user(iomem_base, &ss->iomem_base) || 652 convert_in_user(&ss32->iomem_reg_shift, 653 &ss->iomem_reg_shift) || 654 convert_in_user(&ss32->port_high, &ss->port_high) || 655 put_user(0UL, &ss->iomap_base)) 656 return -EFAULT; 657 } 658 err = do_ioctl(file, cmd, (unsigned long)ss); 659 if (cmd == TIOCGSERIAL && err >= 0) { 660 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) || 661 get_user(iomem_base, &ss->iomem_base)) 662 return -EFAULT; 663 base = (unsigned long)iomem_base >> 32 ? 664 0xffffffff : (unsigned)(unsigned long)iomem_base; 665 if (put_user(base, &ss32->iomem_base) || 666 convert_in_user(&ss->iomem_reg_shift, 667 &ss32->iomem_reg_shift) || 668 convert_in_user(&ss->port_high, &ss32->port_high)) 669 return -EFAULT; 670 } 671 return err; 672} 673 674/* 675 * I2C layer ioctls 676 */ 677 678struct i2c_msg32 { 679 u16 addr; 680 u16 flags; 681 u16 len; 682 compat_caddr_t buf; 683}; 684 685struct i2c_rdwr_ioctl_data32 { 686 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */ 687 u32 nmsgs; 688}; 689 690struct i2c_smbus_ioctl_data32 { 691 u8 read_write; 692 u8 command; 693 u32 size; 694 compat_caddr_t data; /* union i2c_smbus_data *data */ 695}; 696 697struct i2c_rdwr_aligned { 698 struct i2c_rdwr_ioctl_data cmd; 699 struct i2c_msg msgs[0]; 700}; 701 702static int do_i2c_rdwr_ioctl(struct file *file, 703 unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata) 704{ 705 struct i2c_rdwr_aligned __user *tdata; 706 struct i2c_msg __user *tmsgs; 707 struct i2c_msg32 __user *umsgs; 708 compat_caddr_t datap; 709 u32 nmsgs; 710 int i; 711 712 if (get_user(nmsgs, &udata->nmsgs)) 713 return -EFAULT; 714 if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS) 715 return -EINVAL; 716 717 if (get_user(datap, &udata->msgs)) 718 return -EFAULT; 719 umsgs = compat_ptr(datap); 720 721 tdata = compat_alloc_user_space(sizeof(*tdata) + 722 nmsgs * sizeof(struct i2c_msg)); 723 tmsgs = &tdata->msgs[0]; 724 725 if (put_user(nmsgs, &tdata->cmd.nmsgs) || 726 put_user(tmsgs, &tdata->cmd.msgs)) 727 return -EFAULT; 728 729 for (i = 0; i < nmsgs; i++) { 730 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16))) 731 return -EFAULT; 732 if (get_user(datap, &umsgs[i].buf) || 733 put_user(compat_ptr(datap), &tmsgs[i].buf)) 734 return -EFAULT; 735 } 736 return do_ioctl(file, cmd, (unsigned long)tdata); 737} 738 739static int do_i2c_smbus_ioctl(struct file *file, 740 unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata) 741{ 742 struct i2c_smbus_ioctl_data __user *tdata; 743 union { 744 /* beginnings of those have identical layouts */ 745 struct i2c_smbus_ioctl_data32 data32; 746 struct i2c_smbus_ioctl_data data; 747 } v; 748 749 tdata = compat_alloc_user_space(sizeof(*tdata)); 750 if (tdata == NULL) 751 return -ENOMEM; 752 753 memset(&v, 0, sizeof(v)); 754 if (copy_from_user(&v.data32, udata, sizeof(v.data32))) 755 return -EFAULT; 756 v.data.data = compat_ptr(v.data32.data); 757 758 if (copy_to_user(tdata, &v.data, sizeof(v.data))) 759 return -EFAULT; 760 761 return do_ioctl(file, cmd, (unsigned long)tdata); 762} 763 764#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t) 765#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t) 766#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t) 767#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t) 768 769static int rtc_ioctl(struct file *file, 770 unsigned cmd, void __user *argp) 771{ 772 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp)); 773 int ret; 774 775 if (valp == NULL) 776 return -EFAULT; 777 switch (cmd) { 778 case RTC_IRQP_READ32: 779 case RTC_EPOCH_READ32: 780 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ? 781 RTC_IRQP_READ : RTC_EPOCH_READ, 782 (unsigned long)valp); 783 if (ret) 784 return ret; 785 return convert_in_user(valp, (unsigned int __user *)argp); 786 case RTC_IRQP_SET32: 787 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp); 788 case RTC_EPOCH_SET32: 789 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp); 790 } 791 792 return -ENOIOCTLCMD; 793} 794 795/* on ia32 l_start is on a 32-bit boundary */ 796#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) 797struct space_resv_32 { 798 __s16 l_type; 799 __s16 l_whence; 800 __s64 l_start __attribute__((packed)); 801 /* len == 0 means until end of file */ 802 __s64 l_len __attribute__((packed)); 803 __s32 l_sysid; 804 __u32 l_pid; 805 __s32 l_pad[4]; /* reserve area */ 806}; 807 808#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32) 809#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32) 810 811/* just account for different alignment */ 812static int compat_ioctl_preallocate(struct file *file, 813 struct space_resv_32 __user *p32) 814{ 815 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p)); 816 817 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) || 818 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) || 819 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) || 820 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) || 821 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) || 822 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) || 823 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) 824 return -EFAULT; 825 826 return ioctl_preallocate(file, p); 827} 828#endif 829 830/* 831 * simple reversible transform to make our table more evenly 832 * distributed after sorting. 833 */ 834#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff) 835 836#define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd), 837/* ioctl should not be warned about even if it's not implemented. 838 Valid reasons to use this: 839 - It is implemented with ->compat_ioctl on some device, but programs 840 call it on others too. 841 - The ioctl is not implemented in the native kernel, but programs 842 call it commonly anyways. 843 Most other reasons are not valid. */ 844#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd) 845 846static unsigned int ioctl_pointer[] = { 847/* compatible ioctls first */ 848COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */ 849COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */ 850 851/* Big T */ 852COMPATIBLE_IOCTL(TCGETA) 853COMPATIBLE_IOCTL(TCSETA) 854COMPATIBLE_IOCTL(TCSETAW) 855COMPATIBLE_IOCTL(TCSETAF) 856COMPATIBLE_IOCTL(TCSBRK) 857COMPATIBLE_IOCTL(TCXONC) 858COMPATIBLE_IOCTL(TCFLSH) 859COMPATIBLE_IOCTL(TCGETS) 860COMPATIBLE_IOCTL(TCSETS) 861COMPATIBLE_IOCTL(TCSETSW) 862COMPATIBLE_IOCTL(TCSETSF) 863COMPATIBLE_IOCTL(TIOCLINUX) 864COMPATIBLE_IOCTL(TIOCSBRK) 865COMPATIBLE_IOCTL(TIOCGDEV) 866COMPATIBLE_IOCTL(TIOCCBRK) 867COMPATIBLE_IOCTL(TIOCGSID) 868COMPATIBLE_IOCTL(TIOCGICOUNT) 869COMPATIBLE_IOCTL(TIOCGEXCL) 870/* Little t */ 871COMPATIBLE_IOCTL(TIOCGETD) 872COMPATIBLE_IOCTL(TIOCSETD) 873COMPATIBLE_IOCTL(TIOCEXCL) 874COMPATIBLE_IOCTL(TIOCNXCL) 875COMPATIBLE_IOCTL(TIOCCONS) 876COMPATIBLE_IOCTL(TIOCGSOFTCAR) 877COMPATIBLE_IOCTL(TIOCSSOFTCAR) 878COMPATIBLE_IOCTL(TIOCSWINSZ) 879COMPATIBLE_IOCTL(TIOCGWINSZ) 880COMPATIBLE_IOCTL(TIOCMGET) 881COMPATIBLE_IOCTL(TIOCMBIC) 882COMPATIBLE_IOCTL(TIOCMBIS) 883COMPATIBLE_IOCTL(TIOCMSET) 884COMPATIBLE_IOCTL(TIOCNOTTY) 885COMPATIBLE_IOCTL(TIOCSTI) 886COMPATIBLE_IOCTL(TIOCOUTQ) 887COMPATIBLE_IOCTL(TIOCSPGRP) 888COMPATIBLE_IOCTL(TIOCGPGRP) 889COMPATIBLE_IOCTL(TIOCSERGETLSR) 890#ifdef TIOCSRS485 891COMPATIBLE_IOCTL(TIOCSRS485) 892#endif 893#ifdef TIOCGRS485 894COMPATIBLE_IOCTL(TIOCGRS485) 895#endif 896#ifdef TCGETS2 897COMPATIBLE_IOCTL(TCGETS2) 898COMPATIBLE_IOCTL(TCSETS2) 899COMPATIBLE_IOCTL(TCSETSW2) 900COMPATIBLE_IOCTL(TCSETSF2) 901#endif 902/* Little f */ 903COMPATIBLE_IOCTL(FIOCLEX) 904COMPATIBLE_IOCTL(FIONCLEX) 905COMPATIBLE_IOCTL(FIOASYNC) 906COMPATIBLE_IOCTL(FIONBIO) 907COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */ 908COMPATIBLE_IOCTL(FS_IOC_FIEMAP) 909/* 0x00 */ 910COMPATIBLE_IOCTL(FIBMAP) 911COMPATIBLE_IOCTL(FIGETBSZ) 912/* 'X' - originally XFS but some now in the VFS */ 913COMPATIBLE_IOCTL(FIFREEZE) 914COMPATIBLE_IOCTL(FITHAW) 915COMPATIBLE_IOCTL(FITRIM) 916COMPATIBLE_IOCTL(KDGETKEYCODE) 917COMPATIBLE_IOCTL(KDSETKEYCODE) 918COMPATIBLE_IOCTL(KDGKBTYPE) 919COMPATIBLE_IOCTL(KDGETMODE) 920COMPATIBLE_IOCTL(KDGKBMODE) 921COMPATIBLE_IOCTL(KDGKBMETA) 922COMPATIBLE_IOCTL(KDGKBENT) 923COMPATIBLE_IOCTL(KDSKBENT) 924COMPATIBLE_IOCTL(KDGKBSENT) 925COMPATIBLE_IOCTL(KDSKBSENT) 926COMPATIBLE_IOCTL(KDGKBDIACR) 927COMPATIBLE_IOCTL(KDSKBDIACR) 928COMPATIBLE_IOCTL(KDGKBDIACRUC) 929COMPATIBLE_IOCTL(KDSKBDIACRUC) 930COMPATIBLE_IOCTL(KDKBDREP) 931COMPATIBLE_IOCTL(KDGKBLED) 932COMPATIBLE_IOCTL(KDGETLED) 933#ifdef CONFIG_BLOCK 934/* Big S */ 935COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN) 936COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK) 937COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK) 938COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY) 939COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER) 940COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND) 941COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST) 942COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI) 943#endif 944/* Big V (don't complain on serial console) */ 945IGNORE_IOCTL(VT_OPENQRY) 946IGNORE_IOCTL(VT_GETMODE) 947/* Little p (/dev/rtc, /dev/envctrl, etc.) */ 948COMPATIBLE_IOCTL(RTC_AIE_ON) 949COMPATIBLE_IOCTL(RTC_AIE_OFF) 950COMPATIBLE_IOCTL(RTC_UIE_ON) 951COMPATIBLE_IOCTL(RTC_UIE_OFF) 952COMPATIBLE_IOCTL(RTC_PIE_ON) 953COMPATIBLE_IOCTL(RTC_PIE_OFF) 954COMPATIBLE_IOCTL(RTC_WIE_ON) 955COMPATIBLE_IOCTL(RTC_WIE_OFF) 956COMPATIBLE_IOCTL(RTC_ALM_SET) 957COMPATIBLE_IOCTL(RTC_ALM_READ) 958COMPATIBLE_IOCTL(RTC_RD_TIME) 959COMPATIBLE_IOCTL(RTC_SET_TIME) 960COMPATIBLE_IOCTL(RTC_WKALM_SET) 961COMPATIBLE_IOCTL(RTC_WKALM_RD) 962/* 963 * These two are only for the sbus rtc driver, but 964 * hwclock tries them on every rtc device first when 965 * running on sparc. On other architectures the entries 966 * are useless but harmless. 967 */ 968COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */ 969COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */ 970/* Little m */ 971COMPATIBLE_IOCTL(MTIOCTOP) 972/* Socket level stuff */ 973COMPATIBLE_IOCTL(FIOQSIZE) 974#ifdef CONFIG_BLOCK 975/* md calls this on random blockdevs */ 976IGNORE_IOCTL(RAID_VERSION) 977/* qemu/qemu-img might call these two on plain files for probing */ 978IGNORE_IOCTL(CDROM_DRIVE_STATUS) 979IGNORE_IOCTL(FDGETPRM32) 980/* SG stuff */ 981COMPATIBLE_IOCTL(SG_SET_TIMEOUT) 982COMPATIBLE_IOCTL(SG_GET_TIMEOUT) 983COMPATIBLE_IOCTL(SG_EMULATED_HOST) 984COMPATIBLE_IOCTL(SG_GET_TRANSFORM) 985COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE) 986COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE) 987COMPATIBLE_IOCTL(SG_GET_SCSI_ID) 988COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA) 989COMPATIBLE_IOCTL(SG_GET_LOW_DMA) 990COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID) 991COMPATIBLE_IOCTL(SG_GET_PACK_ID) 992COMPATIBLE_IOCTL(SG_GET_NUM_WAITING) 993COMPATIBLE_IOCTL(SG_SET_DEBUG) 994COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE) 995COMPATIBLE_IOCTL(SG_GET_COMMAND_Q) 996COMPATIBLE_IOCTL(SG_SET_COMMAND_Q) 997COMPATIBLE_IOCTL(SG_GET_VERSION_NUM) 998COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN) 999COMPATIBLE_IOCTL(SG_SCSI_RESET) 1000COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE) 1001COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN) 1002COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN) 1003#endif 1004/* PPP stuff */ 1005COMPATIBLE_IOCTL(PPPIOCGFLAGS) 1006COMPATIBLE_IOCTL(PPPIOCSFLAGS) 1007COMPATIBLE_IOCTL(PPPIOCGASYNCMAP) 1008COMPATIBLE_IOCTL(PPPIOCSASYNCMAP) 1009COMPATIBLE_IOCTL(PPPIOCGUNIT) 1010COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP) 1011COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP) 1012COMPATIBLE_IOCTL(PPPIOCGMRU) 1013COMPATIBLE_IOCTL(PPPIOCSMRU) 1014COMPATIBLE_IOCTL(PPPIOCSMAXCID) 1015COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP) 1016COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP) 1017COMPATIBLE_IOCTL(PPPIOCXFERUNIT) 1018/* PPPIOCSCOMPRESS is translated */ 1019COMPATIBLE_IOCTL(PPPIOCGNPMODE) 1020COMPATIBLE_IOCTL(PPPIOCSNPMODE) 1021COMPATIBLE_IOCTL(PPPIOCGDEBUG) 1022COMPATIBLE_IOCTL(PPPIOCSDEBUG) 1023/* PPPIOCSPASS is translated */ 1024/* PPPIOCSACTIVE is translated */ 1025/* PPPIOCGIDLE is translated */ 1026COMPATIBLE_IOCTL(PPPIOCNEWUNIT) 1027COMPATIBLE_IOCTL(PPPIOCATTACH) 1028COMPATIBLE_IOCTL(PPPIOCDETACH) 1029COMPATIBLE_IOCTL(PPPIOCSMRRU) 1030COMPATIBLE_IOCTL(PPPIOCCONNECT) 1031COMPATIBLE_IOCTL(PPPIOCDISCONN) 1032COMPATIBLE_IOCTL(PPPIOCATTCHAN) 1033COMPATIBLE_IOCTL(PPPIOCGCHAN) 1034COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS) 1035/* PPPOX */ 1036COMPATIBLE_IOCTL(PPPOEIOCSFWD) 1037COMPATIBLE_IOCTL(PPPOEIOCDFWD) 1038/* Big A */ 1039/* sparc only */ 1040/* Big Q for sound/OSS */ 1041COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET) 1042COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC) 1043COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO) 1044COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE) 1045COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT) 1046COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT) 1047COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE) 1048COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR) 1049COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI) 1050COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES) 1051COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS) 1052COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS) 1053COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO) 1054COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD) 1055COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL) 1056COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE) 1057COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC) 1058COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND) 1059COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME) 1060COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID) 1061COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL) 1062COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE) 1063/* Big T for sound/OSS */ 1064COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE) 1065COMPATIBLE_IOCTL(SNDCTL_TMR_START) 1066COMPATIBLE_IOCTL(SNDCTL_TMR_STOP) 1067COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE) 1068COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO) 1069COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE) 1070COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME) 1071COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT) 1072/* Little m for sound/OSS */ 1073COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME) 1074COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE) 1075COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD) 1076/* Big P for sound/OSS */ 1077COMPATIBLE_IOCTL(SNDCTL_DSP_RESET) 1078COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC) 1079COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED) 1080COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO) 1081COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE) 1082COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS) 1083COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER) 1084COMPATIBLE_IOCTL(SNDCTL_DSP_POST) 1085COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE) 1086COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT) 1087COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS) 1088COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT) 1089COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE) 1090COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE) 1091COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK) 1092COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS) 1093COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER) 1094COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER) 1095COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR) 1096COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR) 1097/* SNDCTL_DSP_MAPINBUF, XXX needs translation */ 1098/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */ 1099COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO) 1100COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX) 1101COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY) 1102COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE) 1103COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE) 1104COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS) 1105COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS) 1106COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER) 1107/* Big C for sound/OSS */ 1108COMPATIBLE_IOCTL(SNDCTL_COPR_RESET) 1109COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD) 1110COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA) 1111COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE) 1112COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA) 1113COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE) 1114COMPATIBLE_IOCTL(SNDCTL_COPR_RUN) 1115COMPATIBLE_IOCTL(SNDCTL_COPR_HALT) 1116COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG) 1117COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG) 1118/* Big M for sound/OSS */ 1119COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME) 1120COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS) 1121COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE) 1122COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH) 1123COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM) 1124COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER) 1125COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE) 1126COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC) 1127COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD) 1128COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX) 1129COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM) 1130COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV) 1131COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN) 1132COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN) 1133COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1) 1134COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2) 1135COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3) 1136COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1)) 1137COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2)) 1138COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3)) 1139COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN)) 1140COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT)) 1141COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO)) 1142COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO)) 1143COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR)) 1144COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE) 1145/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */ 1146/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */ 1147COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC) 1148COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK) 1149COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK) 1150COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS) 1151COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS) 1152COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME) 1153COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS) 1154COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE) 1155COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH) 1156COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM) 1157COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER) 1158COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE) 1159COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC) 1160COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD) 1161COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX) 1162COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM) 1163COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV) 1164COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN) 1165COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN) 1166COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1) 1167COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2) 1168COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3) 1169COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1)) 1170COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2)) 1171COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3)) 1172COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN)) 1173COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT)) 1174COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO)) 1175COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO)) 1176COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR)) 1177COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE) 1178/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */ 1179/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */ 1180COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC) 1181COMPATIBLE_IOCTL(SOUND_MIXER_INFO) 1182COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO) 1183COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS) 1184COMPATIBLE_IOCTL(SOUND_MIXER_AGC) 1185COMPATIBLE_IOCTL(SOUND_MIXER_3DSE) 1186COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1) 1187COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2) 1188COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3) 1189COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4) 1190COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5) 1191COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS) 1192COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS) 1193COMPATIBLE_IOCTL(OSS_GETVERSION) 1194/* Raw devices */ 1195COMPATIBLE_IOCTL(RAW_SETBIND) 1196COMPATIBLE_IOCTL(RAW_GETBIND) 1197/* Watchdog */ 1198COMPATIBLE_IOCTL(WDIOC_GETSUPPORT) 1199COMPATIBLE_IOCTL(WDIOC_GETSTATUS) 1200COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS) 1201COMPATIBLE_IOCTL(WDIOC_GETTEMP) 1202COMPATIBLE_IOCTL(WDIOC_SETOPTIONS) 1203COMPATIBLE_IOCTL(WDIOC_KEEPALIVE) 1204COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT) 1205COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT) 1206COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT) 1207COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT) 1208/* Big R */ 1209COMPATIBLE_IOCTL(RNDGETENTCNT) 1210COMPATIBLE_IOCTL(RNDADDTOENTCNT) 1211COMPATIBLE_IOCTL(RNDGETPOOL) 1212COMPATIBLE_IOCTL(RNDADDENTROPY) 1213COMPATIBLE_IOCTL(RNDZAPENTCNT) 1214COMPATIBLE_IOCTL(RNDCLEARPOOL) 1215/* Bluetooth */ 1216COMPATIBLE_IOCTL(HCIDEVUP) 1217COMPATIBLE_IOCTL(HCIDEVDOWN) 1218COMPATIBLE_IOCTL(HCIDEVRESET) 1219COMPATIBLE_IOCTL(HCIDEVRESTAT) 1220COMPATIBLE_IOCTL(HCIGETDEVLIST) 1221COMPATIBLE_IOCTL(HCIGETDEVINFO) 1222COMPATIBLE_IOCTL(HCIGETCONNLIST) 1223COMPATIBLE_IOCTL(HCIGETCONNINFO) 1224COMPATIBLE_IOCTL(HCIGETAUTHINFO) 1225COMPATIBLE_IOCTL(HCISETRAW) 1226COMPATIBLE_IOCTL(HCISETSCAN) 1227COMPATIBLE_IOCTL(HCISETAUTH) 1228COMPATIBLE_IOCTL(HCISETENCRYPT) 1229COMPATIBLE_IOCTL(HCISETPTYPE) 1230COMPATIBLE_IOCTL(HCISETLINKPOL) 1231COMPATIBLE_IOCTL(HCISETLINKMODE) 1232COMPATIBLE_IOCTL(HCISETACLMTU) 1233COMPATIBLE_IOCTL(HCISETSCOMTU) 1234COMPATIBLE_IOCTL(HCIBLOCKADDR) 1235COMPATIBLE_IOCTL(HCIUNBLOCKADDR) 1236COMPATIBLE_IOCTL(HCIINQUIRY) 1237COMPATIBLE_IOCTL(HCIUARTSETPROTO) 1238COMPATIBLE_IOCTL(HCIUARTGETPROTO) 1239COMPATIBLE_IOCTL(HCIUARTGETDEVICE) 1240COMPATIBLE_IOCTL(HCIUARTSETFLAGS) 1241COMPATIBLE_IOCTL(HCIUARTGETFLAGS) 1242COMPATIBLE_IOCTL(RFCOMMCREATEDEV) 1243COMPATIBLE_IOCTL(RFCOMMRELEASEDEV) 1244COMPATIBLE_IOCTL(RFCOMMGETDEVLIST) 1245COMPATIBLE_IOCTL(RFCOMMGETDEVINFO) 1246COMPATIBLE_IOCTL(RFCOMMSTEALDLC) 1247COMPATIBLE_IOCTL(BNEPCONNADD) 1248COMPATIBLE_IOCTL(BNEPCONNDEL) 1249COMPATIBLE_IOCTL(BNEPGETCONNLIST) 1250COMPATIBLE_IOCTL(BNEPGETCONNINFO) 1251COMPATIBLE_IOCTL(BNEPGETSUPPFEAT) 1252COMPATIBLE_IOCTL(CMTPCONNADD) 1253COMPATIBLE_IOCTL(CMTPCONNDEL) 1254COMPATIBLE_IOCTL(CMTPGETCONNLIST) 1255COMPATIBLE_IOCTL(CMTPGETCONNINFO) 1256COMPATIBLE_IOCTL(HIDPCONNADD) 1257COMPATIBLE_IOCTL(HIDPCONNDEL) 1258COMPATIBLE_IOCTL(HIDPGETCONNLIST) 1259COMPATIBLE_IOCTL(HIDPGETCONNINFO) 1260/* CAPI */ 1261COMPATIBLE_IOCTL(CAPI_REGISTER) 1262COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER) 1263COMPATIBLE_IOCTL(CAPI_GET_VERSION) 1264COMPATIBLE_IOCTL(CAPI_GET_SERIAL) 1265COMPATIBLE_IOCTL(CAPI_GET_PROFILE) 1266COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD) 1267COMPATIBLE_IOCTL(CAPI_GET_ERRCODE) 1268COMPATIBLE_IOCTL(CAPI_INSTALLED) 1269COMPATIBLE_IOCTL(CAPI_GET_FLAGS) 1270COMPATIBLE_IOCTL(CAPI_SET_FLAGS) 1271COMPATIBLE_IOCTL(CAPI_CLR_FLAGS) 1272COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT) 1273COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT) 1274/* Siemens Gigaset */ 1275COMPATIBLE_IOCTL(GIGASET_REDIR) 1276COMPATIBLE_IOCTL(GIGASET_CONFIG) 1277COMPATIBLE_IOCTL(GIGASET_BRKCHARS) 1278COMPATIBLE_IOCTL(GIGASET_VERSION) 1279/* Misc. */ 1280COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */ 1281COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */ 1282COMPATIBLE_IOCTL(PCIIOC_CONTROLLER) 1283COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO) 1284COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM) 1285COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE) 1286/* i2c */ 1287COMPATIBLE_IOCTL(I2C_SLAVE) 1288COMPATIBLE_IOCTL(I2C_SLAVE_FORCE) 1289COMPATIBLE_IOCTL(I2C_TENBIT) 1290COMPATIBLE_IOCTL(I2C_PEC) 1291COMPATIBLE_IOCTL(I2C_RETRIES) 1292COMPATIBLE_IOCTL(I2C_TIMEOUT) 1293/* hiddev */ 1294COMPATIBLE_IOCTL(HIDIOCGVERSION) 1295COMPATIBLE_IOCTL(HIDIOCAPPLICATION) 1296COMPATIBLE_IOCTL(HIDIOCGDEVINFO) 1297COMPATIBLE_IOCTL(HIDIOCGSTRING) 1298COMPATIBLE_IOCTL(HIDIOCINITREPORT) 1299COMPATIBLE_IOCTL(HIDIOCGREPORT) 1300COMPATIBLE_IOCTL(HIDIOCSREPORT) 1301COMPATIBLE_IOCTL(HIDIOCGREPORTINFO) 1302COMPATIBLE_IOCTL(HIDIOCGFIELDINFO) 1303COMPATIBLE_IOCTL(HIDIOCGUSAGE) 1304COMPATIBLE_IOCTL(HIDIOCSUSAGE) 1305COMPATIBLE_IOCTL(HIDIOCGUCODE) 1306COMPATIBLE_IOCTL(HIDIOCGFLAG) 1307COMPATIBLE_IOCTL(HIDIOCSFLAG) 1308COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX) 1309COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO) 1310/* dvb */ 1311COMPATIBLE_IOCTL(AUDIO_STOP) 1312COMPATIBLE_IOCTL(AUDIO_PLAY) 1313COMPATIBLE_IOCTL(AUDIO_PAUSE) 1314COMPATIBLE_IOCTL(AUDIO_CONTINUE) 1315COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE) 1316COMPATIBLE_IOCTL(AUDIO_SET_MUTE) 1317COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC) 1318COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE) 1319COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT) 1320COMPATIBLE_IOCTL(AUDIO_GET_STATUS) 1321COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES) 1322COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER) 1323COMPATIBLE_IOCTL(AUDIO_SET_ID) 1324COMPATIBLE_IOCTL(AUDIO_SET_MIXER) 1325COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE) 1326COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID) 1327COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES) 1328COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE) 1329COMPATIBLE_IOCTL(DMX_START) 1330COMPATIBLE_IOCTL(DMX_STOP) 1331COMPATIBLE_IOCTL(DMX_SET_FILTER) 1332COMPATIBLE_IOCTL(DMX_SET_PES_FILTER) 1333COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE) 1334COMPATIBLE_IOCTL(DMX_GET_PES_PIDS) 1335COMPATIBLE_IOCTL(DMX_GET_STC) 1336COMPATIBLE_IOCTL(FE_GET_INFO) 1337COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD) 1338COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD) 1339COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY) 1340COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST) 1341COMPATIBLE_IOCTL(FE_SET_TONE) 1342COMPATIBLE_IOCTL(FE_SET_VOLTAGE) 1343COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE) 1344COMPATIBLE_IOCTL(FE_READ_STATUS) 1345COMPATIBLE_IOCTL(FE_READ_BER) 1346COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH) 1347COMPATIBLE_IOCTL(FE_READ_SNR) 1348COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS) 1349COMPATIBLE_IOCTL(FE_SET_FRONTEND) 1350COMPATIBLE_IOCTL(FE_GET_FRONTEND) 1351COMPATIBLE_IOCTL(FE_GET_EVENT) 1352COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD) 1353COMPATIBLE_IOCTL(VIDEO_STOP) 1354COMPATIBLE_IOCTL(VIDEO_PLAY) 1355COMPATIBLE_IOCTL(VIDEO_FREEZE) 1356COMPATIBLE_IOCTL(VIDEO_CONTINUE) 1357COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE) 1358COMPATIBLE_IOCTL(VIDEO_SET_BLANK) 1359COMPATIBLE_IOCTL(VIDEO_GET_STATUS) 1360COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT) 1361COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD) 1362COMPATIBLE_IOCTL(VIDEO_SLOWMOTION) 1363COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES) 1364COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER) 1365COMPATIBLE_IOCTL(VIDEO_SET_ID) 1366COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE) 1367COMPATIBLE_IOCTL(VIDEO_SET_FORMAT) 1368COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM) 1369COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT) 1370COMPATIBLE_IOCTL(VIDEO_SET_SPU) 1371COMPATIBLE_IOCTL(VIDEO_GET_NAVI) 1372COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES) 1373COMPATIBLE_IOCTL(VIDEO_GET_SIZE) 1374COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE) 1375/* cec */ 1376COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS) 1377COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS) 1378COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS) 1379COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR) 1380COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR) 1381COMPATIBLE_IOCTL(CEC_G_MODE) 1382COMPATIBLE_IOCTL(CEC_S_MODE) 1383COMPATIBLE_IOCTL(CEC_TRANSMIT) 1384COMPATIBLE_IOCTL(CEC_RECEIVE) 1385COMPATIBLE_IOCTL(CEC_DQEVENT) 1386 1387/* joystick */ 1388COMPATIBLE_IOCTL(JSIOCGVERSION) 1389COMPATIBLE_IOCTL(JSIOCGAXES) 1390COMPATIBLE_IOCTL(JSIOCGBUTTONS) 1391COMPATIBLE_IOCTL(JSIOCGNAME(0)) 1392 1393#ifdef TIOCGLTC 1394COMPATIBLE_IOCTL(TIOCGLTC) 1395COMPATIBLE_IOCTL(TIOCSLTC) 1396#endif 1397#ifdef TIOCSTART 1398/* 1399 * For these two we have definitions in ioctls.h and/or termios.h on 1400 * some architectures but no actual implemention. Some applications 1401 * like bash call them if they are defined in the headers, so we provide 1402 * entries here to avoid syslog message spew. 1403 */ 1404COMPATIBLE_IOCTL(TIOCSTART) 1405COMPATIBLE_IOCTL(TIOCSTOP) 1406#endif 1407 1408/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl, 1409 but we don't want warnings on other file systems. So declare 1410 them as compatible here. */ 1411#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2]) 1412#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2]) 1413 1414IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32) 1415IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32) 1416 1417#ifdef CONFIG_SPARC 1418/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */ 1419IGNORE_IOCTL(FBIOGTYPE) 1420IGNORE_IOCTL(FBIOSATTR) 1421IGNORE_IOCTL(FBIOGATTR) 1422IGNORE_IOCTL(FBIOSVIDEO) 1423IGNORE_IOCTL(FBIOGVIDEO) 1424IGNORE_IOCTL(FBIOSCURPOS) 1425IGNORE_IOCTL(FBIOGCURPOS) 1426IGNORE_IOCTL(FBIOGCURMAX) 1427IGNORE_IOCTL(FBIOPUTCMAP32) 1428IGNORE_IOCTL(FBIOGETCMAP32) 1429IGNORE_IOCTL(FBIOSCURSOR32) 1430IGNORE_IOCTL(FBIOGCURSOR32) 1431#endif 1432}; 1433 1434/* 1435 * Convert common ioctl arguments based on their command number 1436 * 1437 * Please do not add any code in here. Instead, implement 1438 * a compat_ioctl operation in the place that handleѕ the 1439 * ioctl for the native case. 1440 */ 1441static long do_ioctl_trans(unsigned int cmd, 1442 unsigned long arg, struct file *file) 1443{ 1444 void __user *argp = compat_ptr(arg); 1445 1446 switch (cmd) { 1447 case PPPIOCGIDLE32: 1448 return ppp_gidle(file, cmd, argp); 1449 case PPPIOCSCOMPRESS32: 1450 return ppp_scompress(file, cmd, argp); 1451 case PPPIOCSPASS32: 1452 case PPPIOCSACTIVE32: 1453 return ppp_sock_fprog_ioctl_trans(file, cmd, argp); 1454#ifdef CONFIG_BLOCK 1455 case SG_IO: 1456 return sg_ioctl_trans(file, cmd, argp); 1457 case SG_GET_REQUEST_TABLE: 1458 return sg_grt_trans(file, cmd, argp); 1459 case MTIOCGET32: 1460 case MTIOCPOS32: 1461 return mt_ioctl_trans(file, cmd, argp); 1462#endif 1463 /* Serial */ 1464 case TIOCGSERIAL: 1465 case TIOCSSERIAL: 1466 return serial_struct_ioctl(file, cmd, argp); 1467 /* i2c */ 1468 case I2C_FUNCS: 1469 return w_long(file, cmd, argp); 1470 case I2C_RDWR: 1471 return do_i2c_rdwr_ioctl(file, cmd, argp); 1472 case I2C_SMBUS: 1473 return do_i2c_smbus_ioctl(file, cmd, argp); 1474 /* Not implemented in the native kernel */ 1475 case RTC_IRQP_READ32: 1476 case RTC_IRQP_SET32: 1477 case RTC_EPOCH_READ32: 1478 case RTC_EPOCH_SET32: 1479 return rtc_ioctl(file, cmd, argp); 1480 1481 /* dvb */ 1482 case VIDEO_GET_EVENT: 1483 return do_video_get_event(file, cmd, argp); 1484 case VIDEO_STILLPICTURE: 1485 return do_video_stillpicture(file, cmd, argp); 1486 case VIDEO_SET_SPU_PALETTE: 1487 return do_video_set_spu_palette(file, cmd, argp); 1488 } 1489 1490 /* 1491 * These take an integer instead of a pointer as 'arg', 1492 * so we must not do a compat_ptr() translation. 1493 */ 1494 switch (cmd) { 1495 /* Big T */ 1496 case TCSBRKP: 1497 case TIOCMIWAIT: 1498 case TIOCSCTTY: 1499 /* RAID */ 1500 case HOT_REMOVE_DISK: 1501 case HOT_ADD_DISK: 1502 case SET_DISK_FAULTY: 1503 case SET_BITMAP_FILE: 1504 /* Big K */ 1505 case KDSIGACCEPT: 1506 case KIOCSOUND: 1507 case KDMKTONE: 1508 case KDSETMODE: 1509 case KDSKBMODE: 1510 case KDSKBMETA: 1511 case KDSKBLED: 1512 case KDSETLED: 1513 return vfs_ioctl(file, cmd, arg); 1514 } 1515 1516 return -ENOIOCTLCMD; 1517} 1518 1519static int compat_ioctl_check_table(unsigned int xcmd) 1520{ 1521 int i; 1522 const int max = ARRAY_SIZE(ioctl_pointer) - 1; 1523 1524 BUILD_BUG_ON(max >= (1 << 16)); 1525 1526 /* guess initial offset into table, assuming a 1527 normalized distribution */ 1528 i = ((xcmd >> 16) * max) >> 16; 1529 1530 /* do linear search up first, until greater or equal */ 1531 while (ioctl_pointer[i] < xcmd && i < max) 1532 i++; 1533 1534 /* then do linear search down */ 1535 while (ioctl_pointer[i] > xcmd && i > 0) 1536 i--; 1537 1538 return ioctl_pointer[i] == xcmd; 1539} 1540 1541COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, 1542 compat_ulong_t, arg32) 1543{ 1544 unsigned long arg = arg32; 1545 struct fd f = fdget(fd); 1546 int error = -EBADF; 1547 if (!f.file) 1548 goto out; 1549 1550 /* RED-PEN how should LSM module know it's handling 32bit? */ 1551 error = security_file_ioctl(f.file, cmd, arg); 1552 if (error) 1553 goto out_fput; 1554 1555 /* 1556 * To allow the compat_ioctl handlers to be self contained 1557 * we need to check the common ioctls here first. 1558 * Just handle them with the standard handlers below. 1559 */ 1560 switch (cmd) { 1561 case FIOCLEX: 1562 case FIONCLEX: 1563 case FIONBIO: 1564 case FIOASYNC: 1565 case FIOQSIZE: 1566 break; 1567 1568#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) 1569 case FS_IOC_RESVSP_32: 1570 case FS_IOC_RESVSP64_32: 1571 error = compat_ioctl_preallocate(f.file, compat_ptr(arg)); 1572 goto out_fput; 1573#else 1574 case FS_IOC_RESVSP: 1575 case FS_IOC_RESVSP64: 1576 error = ioctl_preallocate(f.file, compat_ptr(arg)); 1577 goto out_fput; 1578#endif 1579 1580 case FICLONE: 1581 case FICLONERANGE: 1582 case FIDEDUPERANGE: 1583 goto do_ioctl; 1584 1585 case FIBMAP: 1586 case FIGETBSZ: 1587 case FIONREAD: 1588 if (S_ISREG(file_inode(f.file)->i_mode)) 1589 break; 1590 /*FALL THROUGH*/ 1591 1592 default: 1593 if (f.file->f_op->compat_ioctl) { 1594 error = f.file->f_op->compat_ioctl(f.file, cmd, arg); 1595 if (error != -ENOIOCTLCMD) 1596 goto out_fput; 1597 } 1598 1599 if (!f.file->f_op->unlocked_ioctl) 1600 goto do_ioctl; 1601 break; 1602 } 1603 1604 if (compat_ioctl_check_table(XFORM(cmd))) 1605 goto found_handler; 1606 1607 error = do_ioctl_trans(cmd, arg, f.file); 1608 if (error == -ENOIOCTLCMD) 1609 error = -ENOTTY; 1610 1611 goto out_fput; 1612 1613 found_handler: 1614 arg = (unsigned long)compat_ptr(arg); 1615 do_ioctl: 1616 error = do_vfs_ioctl(f.file, fd, cmd, arg); 1617 out_fput: 1618 fdput(f); 1619 out: 1620 return error; 1621} 1622 1623static int __init init_sys32_ioctl_cmp(const void *p, const void *q) 1624{ 1625 unsigned int a, b; 1626 a = *(unsigned int *)p; 1627 b = *(unsigned int *)q; 1628 if (a > b) 1629 return 1; 1630 if (a < b) 1631 return -1; 1632 return 0; 1633} 1634 1635static int __init init_sys32_ioctl(void) 1636{ 1637 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer), 1638 init_sys32_ioctl_cmp, NULL); 1639 return 0; 1640} 1641__initcall(init_sys32_ioctl);