tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / fs / compat_ioctl.c
at v3.3-rc7 1629 lines 46 kB view raw
1/* 2 * ioctl32.c: Conversion between 32bit and 64bit native ioctls. 3 * 4 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) 5 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) 6 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs 7 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz) 8 * 9 * These routines maintain argument size conversion between 32bit and 64bit 10 * ioctls. 11 */ 12 13#include <linux/joystick.h> 14 15#include <linux/types.h> 16#include <linux/compat.h> 17#include <linux/kernel.h> 18#include <linux/capability.h> 19#include <linux/compiler.h> 20#include <linux/sched.h> 21#include <linux/smp.h> 22#include <linux/ioctl.h> 23#include <linux/if.h> 24#include <linux/if_bridge.h> 25#include <linux/raid/md_u.h> 26#include <linux/kd.h> 27#include <linux/route.h> 28#include <linux/in6.h> 29#include <linux/ipv6_route.h> 30#include <linux/skbuff.h> 31#include <linux/netlink.h> 32#include <linux/vt.h> 33#include <linux/falloc.h> 34#include <linux/fs.h> 35#include <linux/file.h> 36#include <linux/ppp_defs.h> 37#include <linux/if_ppp.h> 38#include <linux/if_pppox.h> 39#include <linux/mtio.h> 40#include <linux/auto_fs.h> 41#include <linux/auto_fs4.h> 42#include <linux/tty.h> 43#include <linux/vt_kern.h> 44#include <linux/fb.h> 45#include <linux/videodev2.h> 46#include <linux/netdevice.h> 47#include <linux/raw.h> 48#include <linux/blkdev.h> 49#include <linux/elevator.h> 50#include <linux/rtc.h> 51#include <linux/pci.h> 52#include <linux/module.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 62#include <net/bluetooth/bluetooth.h> 63#include <net/bluetooth/hci.h> 64#include <net/bluetooth/rfcomm.h> 65 66#include <linux/capi.h> 67#include <linux/gigaset_dev.h> 68 69#ifdef CONFIG_BLOCK 70#include <linux/loop.h> 71#include <linux/cdrom.h> 72#include <linux/fd.h> 73#include <scsi/scsi.h> 74#include <scsi/scsi_ioctl.h> 75#include <scsi/sg.h> 76#endif 77 78#include <asm/uaccess.h> 79#include <linux/ethtool.h> 80#include <linux/mii.h> 81#include <linux/if_bonding.h> 82#include <linux/watchdog.h> 83 84#include <linux/soundcard.h> 85#include <linux/lp.h> 86#include <linux/ppdev.h> 87 88#include <linux/atm.h> 89#include <linux/atmarp.h> 90#include <linux/atmclip.h> 91#include <linux/atmdev.h> 92#include <linux/atmioc.h> 93#include <linux/atmlec.h> 94#include <linux/atmmpc.h> 95#include <linux/atmsvc.h> 96#include <linux/atm_tcp.h> 97#include <linux/sonet.h> 98#include <linux/atm_suni.h> 99 100#include <linux/usb.h> 101#include <linux/usbdevice_fs.h> 102#include <linux/nbd.h> 103#include <linux/random.h> 104#include <linux/filter.h> 105 106#include <linux/hiddev.h> 107 108#define __DVB_CORE__ 109#include <linux/dvb/audio.h> 110#include <linux/dvb/dmx.h> 111#include <linux/dvb/frontend.h> 112#include <linux/dvb/video.h> 113 114#include <linux/sort.h> 115 116#ifdef CONFIG_SPARC 117#include <asm/fbio.h> 118#endif 119 120static int w_long(unsigned int fd, unsigned int cmd, 121 compat_ulong_t __user *argp) 122{ 123 mm_segment_t old_fs = get_fs(); 124 int err; 125 unsigned long val; 126 127 set_fs (KERNEL_DS); 128 err = sys_ioctl(fd, cmd, (unsigned long)&val); 129 set_fs (old_fs); 130 if (!err && put_user(val, argp)) 131 return -EFAULT; 132 return err; 133} 134 135struct compat_video_event { 136 int32_t type; 137 compat_time_t timestamp; 138 union { 139 video_size_t size; 140 unsigned int frame_rate; 141 } u; 142}; 143 144static int do_video_get_event(unsigned int fd, unsigned int cmd, 145 struct compat_video_event __user *up) 146{ 147 struct video_event kevent; 148 mm_segment_t old_fs = get_fs(); 149 int err; 150 151 set_fs(KERNEL_DS); 152 err = sys_ioctl(fd, cmd, (unsigned long) &kevent); 153 set_fs(old_fs); 154 155 if (!err) { 156 err = put_user(kevent.type, &up->type); 157 err |= put_user(kevent.timestamp, &up->timestamp); 158 err |= put_user(kevent.u.size.w, &up->u.size.w); 159 err |= put_user(kevent.u.size.h, &up->u.size.h); 160 err |= put_user(kevent.u.size.aspect_ratio, 161 &up->u.size.aspect_ratio); 162 if (err) 163 err = -EFAULT; 164 } 165 166 return err; 167} 168 169struct compat_video_still_picture { 170 compat_uptr_t iFrame; 171 int32_t size; 172}; 173 174static int do_video_stillpicture(unsigned int fd, unsigned int cmd, 175 struct compat_video_still_picture __user *up) 176{ 177 struct video_still_picture __user *up_native; 178 compat_uptr_t fp; 179 int32_t size; 180 int err; 181 182 err = get_user(fp, &up->iFrame); 183 err |= get_user(size, &up->size); 184 if (err) 185 return -EFAULT; 186 187 up_native = 188 compat_alloc_user_space(sizeof(struct video_still_picture)); 189 190 err = put_user(compat_ptr(fp), &up_native->iFrame); 191 err |= put_user(size, &up_native->size); 192 if (err) 193 return -EFAULT; 194 195 err = sys_ioctl(fd, cmd, (unsigned long) up_native); 196 197 return err; 198} 199 200struct compat_video_spu_palette { 201 int length; 202 compat_uptr_t palette; 203}; 204 205static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, 206 struct compat_video_spu_palette __user *up) 207{ 208 struct video_spu_palette __user *up_native; 209 compat_uptr_t palp; 210 int length, err; 211 212 err = get_user(palp, &up->palette); 213 err |= get_user(length, &up->length); 214 215 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette)); 216 err = put_user(compat_ptr(palp), &up_native->palette); 217 err |= put_user(length, &up_native->length); 218 if (err) 219 return -EFAULT; 220 221 err = sys_ioctl(fd, cmd, (unsigned long) up_native); 222 223 return err; 224} 225 226#ifdef CONFIG_BLOCK 227typedef struct sg_io_hdr32 { 228 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */ 229 compat_int_t dxfer_direction; /* [i] data transfer direction */ 230 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */ 231 unsigned char mx_sb_len; /* [i] max length to write to sbp */ 232 unsigned short iovec_count; /* [i] 0 implies no scatter gather */ 233 compat_uint_t dxfer_len; /* [i] byte count of data transfer */ 234 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory 235 or scatter gather list */ 236 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */ 237 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */ 238 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */ 239 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */ 240 compat_int_t pack_id; /* [i->o] unused internally (normally) */ 241 compat_uptr_t usr_ptr; /* [i->o] unused internally */ 242 unsigned char status; /* [o] scsi status */ 243 unsigned char masked_status; /* [o] shifted, masked scsi status */ 244 unsigned char msg_status; /* [o] messaging level data (optional) */ 245 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */ 246 unsigned short host_status; /* [o] errors from host adapter */ 247 unsigned short driver_status; /* [o] errors from software driver */ 248 compat_int_t resid; /* [o] dxfer_len - actual_transferred */ 249 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */ 250 compat_uint_t info; /* [o] auxiliary information */ 251} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */ 252 253typedef struct sg_iovec32 { 254 compat_uint_t iov_base; 255 compat_uint_t iov_len; 256} sg_iovec32_t; 257 258static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count) 259{ 260 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1); 261 sg_iovec32_t __user *iov32 = dxferp; 262 int i; 263 264 for (i = 0; i < iovec_count; i++) { 265 u32 base, len; 266 267 if (get_user(base, &iov32[i].iov_base) || 268 get_user(len, &iov32[i].iov_len) || 269 put_user(compat_ptr(base), &iov[i].iov_base) || 270 put_user(len, &iov[i].iov_len)) 271 return -EFAULT; 272 } 273 274 if (put_user(iov, &sgio->dxferp)) 275 return -EFAULT; 276 return 0; 277} 278 279static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, 280 sg_io_hdr32_t __user *sgio32) 281{ 282 sg_io_hdr_t __user *sgio; 283 u16 iovec_count; 284 u32 data; 285 void __user *dxferp; 286 int err; 287 int interface_id; 288 289 if (get_user(interface_id, &sgio32->interface_id)) 290 return -EFAULT; 291 if (interface_id != 'S') 292 return sys_ioctl(fd, cmd, (unsigned long)sgio32); 293 294 if (get_user(iovec_count, &sgio32->iovec_count)) 295 return -EFAULT; 296 297 { 298 void __user *top = compat_alloc_user_space(0); 299 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) + 300 (iovec_count * sizeof(sg_iovec_t))); 301 if (new > top) 302 return -EINVAL; 303 304 sgio = new; 305 } 306 307 /* Ok, now construct. */ 308 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id, 309 (2 * sizeof(int)) + 310 (2 * sizeof(unsigned char)) + 311 (1 * sizeof(unsigned short)) + 312 (1 * sizeof(unsigned int)))) 313 return -EFAULT; 314 315 if (get_user(data, &sgio32->dxferp)) 316 return -EFAULT; 317 dxferp = compat_ptr(data); 318 if (iovec_count) { 319 if (sg_build_iovec(sgio, dxferp, iovec_count)) 320 return -EFAULT; 321 } else { 322 if (put_user(dxferp, &sgio->dxferp)) 323 return -EFAULT; 324 } 325 326 { 327 unsigned char __user *cmdp; 328 unsigned char __user *sbp; 329 330 if (get_user(data, &sgio32->cmdp)) 331 return -EFAULT; 332 cmdp = compat_ptr(data); 333 334 if (get_user(data, &sgio32->sbp)) 335 return -EFAULT; 336 sbp = compat_ptr(data); 337 338 if (put_user(cmdp, &sgio->cmdp) || 339 put_user(sbp, &sgio->sbp)) 340 return -EFAULT; 341 } 342 343 if (copy_in_user(&sgio->timeout, &sgio32->timeout, 344 3 * sizeof(int))) 345 return -EFAULT; 346 347 if (get_user(data, &sgio32->usr_ptr)) 348 return -EFAULT; 349 if (put_user(compat_ptr(data), &sgio->usr_ptr)) 350 return -EFAULT; 351 352 err = sys_ioctl(fd, cmd, (unsigned long) sgio); 353 354 if (err >= 0) { 355 void __user *datap; 356 357 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id, 358 sizeof(int)) || 359 get_user(datap, &sgio->usr_ptr) || 360 put_user((u32)(unsigned long)datap, 361 &sgio32->usr_ptr) || 362 copy_in_user(&sgio32->status, &sgio->status, 363 (4 * sizeof(unsigned char)) + 364 (2 * sizeof(unsigned short)) + 365 (3 * sizeof(int)))) 366 err = -EFAULT; 367 } 368 369 return err; 370} 371 372struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */ 373 char req_state; 374 char orphan; 375 char sg_io_owned; 376 char problem; 377 int pack_id; 378 compat_uptr_t usr_ptr; 379 unsigned int duration; 380 int unused; 381}; 382 383static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct 384 compat_sg_req_info __user *o) 385{ 386 int err, i; 387 sg_req_info_t __user *r; 388 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE); 389 err = sys_ioctl(fd,cmd,(unsigned long)r); 390 if (err < 0) 391 return err; 392 for (i = 0; i < SG_MAX_QUEUE; i++) { 393 void __user *ptr; 394 int d; 395 396 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) || 397 get_user(ptr, &r[i].usr_ptr) || 398 get_user(d, &r[i].duration) || 399 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) || 400 put_user(d, &o[i].duration)) 401 return -EFAULT; 402 } 403 return err; 404} 405#endif /* CONFIG_BLOCK */ 406 407struct sock_fprog32 { 408 unsigned short len; 409 compat_caddr_t filter; 410}; 411 412#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32) 413#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32) 414 415static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, 416 struct sock_fprog32 __user *u_fprog32) 417{ 418 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog)); 419 void __user *fptr64; 420 u32 fptr32; 421 u16 flen; 422 423 if (get_user(flen, &u_fprog32->len) || 424 get_user(fptr32, &u_fprog32->filter)) 425 return -EFAULT; 426 427 fptr64 = compat_ptr(fptr32); 428 429 if (put_user(flen, &u_fprog64->len) || 430 put_user(fptr64, &u_fprog64->filter)) 431 return -EFAULT; 432 433 if (cmd == PPPIOCSPASS32) 434 cmd = PPPIOCSPASS; 435 else 436 cmd = PPPIOCSACTIVE; 437 438 return sys_ioctl(fd, cmd, (unsigned long) u_fprog64); 439} 440 441struct ppp_option_data32 { 442 compat_caddr_t ptr; 443 u32 length; 444 compat_int_t transmit; 445}; 446#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32) 447 448struct ppp_idle32 { 449 compat_time_t xmit_idle; 450 compat_time_t recv_idle; 451}; 452#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32) 453 454static int ppp_gidle(unsigned int fd, unsigned int cmd, 455 struct ppp_idle32 __user *idle32) 456{ 457 struct ppp_idle __user *idle; 458 __kernel_time_t xmit, recv; 459 int err; 460 461 idle = compat_alloc_user_space(sizeof(*idle)); 462 463 err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle); 464 465 if (!err) { 466 if (get_user(xmit, &idle->xmit_idle) || 467 get_user(recv, &idle->recv_idle) || 468 put_user(xmit, &idle32->xmit_idle) || 469 put_user(recv, &idle32->recv_idle)) 470 err = -EFAULT; 471 } 472 return err; 473} 474 475static int ppp_scompress(unsigned int fd, unsigned int cmd, 476 struct ppp_option_data32 __user *odata32) 477{ 478 struct ppp_option_data __user *odata; 479 __u32 data; 480 void __user *datap; 481 482 odata = compat_alloc_user_space(sizeof(*odata)); 483 484 if (get_user(data, &odata32->ptr)) 485 return -EFAULT; 486 487 datap = compat_ptr(data); 488 if (put_user(datap, &odata->ptr)) 489 return -EFAULT; 490 491 if (copy_in_user(&odata->length, &odata32->length, 492 sizeof(__u32) + sizeof(int))) 493 return -EFAULT; 494 495 return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata); 496} 497 498#ifdef CONFIG_BLOCK 499struct mtget32 { 500 compat_long_t mt_type; 501 compat_long_t mt_resid; 502 compat_long_t mt_dsreg; 503 compat_long_t mt_gstat; 504 compat_long_t mt_erreg; 505 compat_daddr_t mt_fileno; 506 compat_daddr_t mt_blkno; 507}; 508#define MTIOCGET32 _IOR('m', 2, struct mtget32) 509 510struct mtpos32 { 511 compat_long_t mt_blkno; 512}; 513#define MTIOCPOS32 _IOR('m', 3, struct mtpos32) 514 515static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp) 516{ 517 mm_segment_t old_fs = get_fs(); 518 struct mtget get; 519 struct mtget32 __user *umget32; 520 struct mtpos pos; 521 struct mtpos32 __user *upos32; 522 unsigned long kcmd; 523 void *karg; 524 int err = 0; 525 526 switch(cmd) { 527 case MTIOCPOS32: 528 kcmd = MTIOCPOS; 529 karg = &pos; 530 break; 531 default: /* MTIOCGET32 */ 532 kcmd = MTIOCGET; 533 karg = &get; 534 break; 535 } 536 set_fs (KERNEL_DS); 537 err = sys_ioctl (fd, kcmd, (unsigned long)karg); 538 set_fs (old_fs); 539 if (err) 540 return err; 541 switch (cmd) { 542 case MTIOCPOS32: 543 upos32 = argp; 544 err = __put_user(pos.mt_blkno, &upos32->mt_blkno); 545 break; 546 case MTIOCGET32: 547 umget32 = argp; 548 err = __put_user(get.mt_type, &umget32->mt_type); 549 err |= __put_user(get.mt_resid, &umget32->mt_resid); 550 err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg); 551 err |= __put_user(get.mt_gstat, &umget32->mt_gstat); 552 err |= __put_user(get.mt_erreg, &umget32->mt_erreg); 553 err |= __put_user(get.mt_fileno, &umget32->mt_fileno); 554 err |= __put_user(get.mt_blkno, &umget32->mt_blkno); 555 break; 556 } 557 return err ? -EFAULT: 0; 558} 559 560#endif /* CONFIG_BLOCK */ 561 562/* Bluetooth ioctls */ 563#define HCIUARTSETPROTO _IOW('U', 200, int) 564#define HCIUARTGETPROTO _IOR('U', 201, int) 565#define HCIUARTGETDEVICE _IOR('U', 202, int) 566#define HCIUARTSETFLAGS _IOW('U', 203, int) 567#define HCIUARTGETFLAGS _IOR('U', 204, int) 568 569#define BNEPCONNADD _IOW('B', 200, int) 570#define BNEPCONNDEL _IOW('B', 201, int) 571#define BNEPGETCONNLIST _IOR('B', 210, int) 572#define BNEPGETCONNINFO _IOR('B', 211, int) 573 574#define CMTPCONNADD _IOW('C', 200, int) 575#define CMTPCONNDEL _IOW('C', 201, int) 576#define CMTPGETCONNLIST _IOR('C', 210, int) 577#define CMTPGETCONNINFO _IOR('C', 211, int) 578 579#define HIDPCONNADD _IOW('H', 200, int) 580#define HIDPCONNDEL _IOW('H', 201, int) 581#define HIDPGETCONNLIST _IOR('H', 210, int) 582#define HIDPGETCONNINFO _IOR('H', 211, int) 583 584 585struct serial_struct32 { 586 compat_int_t type; 587 compat_int_t line; 588 compat_uint_t port; 589 compat_int_t irq; 590 compat_int_t flags; 591 compat_int_t xmit_fifo_size; 592 compat_int_t custom_divisor; 593 compat_int_t baud_base; 594 unsigned short close_delay; 595 char io_type; 596 char reserved_char[1]; 597 compat_int_t hub6; 598 unsigned short closing_wait; /* time to wait before closing */ 599 unsigned short closing_wait2; /* no longer used... */ 600 compat_uint_t iomem_base; 601 unsigned short iomem_reg_shift; 602 unsigned int port_high; 603 /* compat_ulong_t iomap_base FIXME */ 604 compat_int_t reserved[1]; 605}; 606 607static int serial_struct_ioctl(unsigned fd, unsigned cmd, 608 struct serial_struct32 __user *ss32) 609{ 610 typedef struct serial_struct SS; 611 typedef struct serial_struct32 SS32; 612 int err; 613 struct serial_struct ss; 614 mm_segment_t oldseg = get_fs(); 615 __u32 udata; 616 unsigned int base; 617 618 if (cmd == TIOCSSERIAL) { 619 if (!access_ok(VERIFY_READ, ss32, sizeof(SS32))) 620 return -EFAULT; 621 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base))) 622 return -EFAULT; 623 if (__get_user(udata, &ss32->iomem_base)) 624 return -EFAULT; 625 ss.iomem_base = compat_ptr(udata); 626 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || 627 __get_user(ss.port_high, &ss32->port_high)) 628 return -EFAULT; 629 ss.iomap_base = 0UL; 630 } 631 set_fs(KERNEL_DS); 632 err = sys_ioctl(fd,cmd,(unsigned long)(&ss)); 633 set_fs(oldseg); 634 if (cmd == TIOCGSERIAL && err >= 0) { 635 if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32))) 636 return -EFAULT; 637 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base))) 638 return -EFAULT; 639 base = (unsigned long)ss.iomem_base >> 32 ? 640 0xffffffff : (unsigned)(unsigned long)ss.iomem_base; 641 if (__put_user(base, &ss32->iomem_base) || 642 __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || 643 __put_user(ss.port_high, &ss32->port_high)) 644 return -EFAULT; 645 } 646 return err; 647} 648 649/* 650 * I2C layer ioctls 651 */ 652 653struct i2c_msg32 { 654 u16 addr; 655 u16 flags; 656 u16 len; 657 compat_caddr_t buf; 658}; 659 660struct i2c_rdwr_ioctl_data32 { 661 compat_caddr_t msgs; /* struct i2c_msg __user *msgs */ 662 u32 nmsgs; 663}; 664 665struct i2c_smbus_ioctl_data32 { 666 u8 read_write; 667 u8 command; 668 u32 size; 669 compat_caddr_t data; /* union i2c_smbus_data *data */ 670}; 671 672struct i2c_rdwr_aligned { 673 struct i2c_rdwr_ioctl_data cmd; 674 struct i2c_msg msgs[0]; 675}; 676 677static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, 678 struct i2c_rdwr_ioctl_data32 __user *udata) 679{ 680 struct i2c_rdwr_aligned __user *tdata; 681 struct i2c_msg __user *tmsgs; 682 struct i2c_msg32 __user *umsgs; 683 compat_caddr_t datap; 684 int nmsgs, i; 685 686 if (get_user(nmsgs, &udata->nmsgs)) 687 return -EFAULT; 688 if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS) 689 return -EINVAL; 690 691 if (get_user(datap, &udata->msgs)) 692 return -EFAULT; 693 umsgs = compat_ptr(datap); 694 695 tdata = compat_alloc_user_space(sizeof(*tdata) + 696 nmsgs * sizeof(struct i2c_msg)); 697 tmsgs = &tdata->msgs[0]; 698 699 if (put_user(nmsgs, &tdata->cmd.nmsgs) || 700 put_user(tmsgs, &tdata->cmd.msgs)) 701 return -EFAULT; 702 703 for (i = 0; i < nmsgs; i++) { 704 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16))) 705 return -EFAULT; 706 if (get_user(datap, &umsgs[i].buf) || 707 put_user(compat_ptr(datap), &tmsgs[i].buf)) 708 return -EFAULT; 709 } 710 return sys_ioctl(fd, cmd, (unsigned long)tdata); 711} 712 713static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, 714 struct i2c_smbus_ioctl_data32 __user *udata) 715{ 716 struct i2c_smbus_ioctl_data __user *tdata; 717 compat_caddr_t datap; 718 719 tdata = compat_alloc_user_space(sizeof(*tdata)); 720 if (tdata == NULL) 721 return -ENOMEM; 722 if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata))) 723 return -EFAULT; 724 725 if (!access_ok(VERIFY_READ, udata, sizeof(*udata))) 726 return -EFAULT; 727 728 if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8))) 729 return -EFAULT; 730 if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32))) 731 return -EFAULT; 732 if (__get_user(datap, &udata->data) || 733 __put_user(compat_ptr(datap), &tdata->data)) 734 return -EFAULT; 735 736 return sys_ioctl(fd, cmd, (unsigned long)tdata); 737} 738 739#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t) 740#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t) 741#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t) 742#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t) 743 744static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp) 745{ 746 mm_segment_t oldfs = get_fs(); 747 compat_ulong_t val32; 748 unsigned long kval; 749 int ret; 750 751 switch (cmd) { 752 case RTC_IRQP_READ32: 753 case RTC_EPOCH_READ32: 754 set_fs(KERNEL_DS); 755 ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ? 756 RTC_IRQP_READ : RTC_EPOCH_READ, 757 (unsigned long)&kval); 758 set_fs(oldfs); 759 if (ret) 760 return ret; 761 val32 = kval; 762 return put_user(val32, (unsigned int __user *)argp); 763 case RTC_IRQP_SET32: 764 return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp); 765 case RTC_EPOCH_SET32: 766 return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp); 767 } 768 769 return -ENOIOCTLCMD; 770} 771 772/* on ia32 l_start is on a 32-bit boundary */ 773#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) 774struct space_resv_32 { 775 __s16 l_type; 776 __s16 l_whence; 777 __s64 l_start __attribute__((packed)); 778 /* len == 0 means until end of file */ 779 __s64 l_len __attribute__((packed)); 780 __s32 l_sysid; 781 __u32 l_pid; 782 __s32 l_pad[4]; /* reserve area */ 783}; 784 785#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32) 786#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32) 787 788/* just account for different alignment */ 789static int compat_ioctl_preallocate(struct file *file, 790 struct space_resv_32 __user *p32) 791{ 792 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p)); 793 794 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) || 795 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) || 796 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) || 797 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) || 798 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) || 799 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) || 800 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) 801 return -EFAULT; 802 803 return ioctl_preallocate(file, p); 804} 805#endif 806 807/* 808 * simple reversible transform to make our table more evenly 809 * distributed after sorting. 810 */ 811#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff) 812 813#define COMPATIBLE_IOCTL(cmd) XFORM(cmd), 814/* ioctl should not be warned about even if it's not implemented. 815 Valid reasons to use this: 816 - It is implemented with ->compat_ioctl on some device, but programs 817 call it on others too. 818 - The ioctl is not implemented in the native kernel, but programs 819 call it commonly anyways. 820 Most other reasons are not valid. */ 821#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd) 822 823static unsigned int ioctl_pointer[] = { 824/* compatible ioctls first */ 825COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */ 826COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */ 827 828/* Big T */ 829COMPATIBLE_IOCTL(TCGETA) 830COMPATIBLE_IOCTL(TCSETA) 831COMPATIBLE_IOCTL(TCSETAW) 832COMPATIBLE_IOCTL(TCSETAF) 833COMPATIBLE_IOCTL(TCSBRK) 834COMPATIBLE_IOCTL(TCXONC) 835COMPATIBLE_IOCTL(TCFLSH) 836COMPATIBLE_IOCTL(TCGETS) 837COMPATIBLE_IOCTL(TCSETS) 838COMPATIBLE_IOCTL(TCSETSW) 839COMPATIBLE_IOCTL(TCSETSF) 840COMPATIBLE_IOCTL(TIOCLINUX) 841COMPATIBLE_IOCTL(TIOCSBRK) 842COMPATIBLE_IOCTL(TIOCGDEV) 843COMPATIBLE_IOCTL(TIOCCBRK) 844COMPATIBLE_IOCTL(TIOCGSID) 845COMPATIBLE_IOCTL(TIOCGICOUNT) 846/* Little t */ 847COMPATIBLE_IOCTL(TIOCGETD) 848COMPATIBLE_IOCTL(TIOCSETD) 849COMPATIBLE_IOCTL(TIOCEXCL) 850COMPATIBLE_IOCTL(TIOCNXCL) 851COMPATIBLE_IOCTL(TIOCCONS) 852COMPATIBLE_IOCTL(TIOCGSOFTCAR) 853COMPATIBLE_IOCTL(TIOCSSOFTCAR) 854COMPATIBLE_IOCTL(TIOCSWINSZ) 855COMPATIBLE_IOCTL(TIOCGWINSZ) 856COMPATIBLE_IOCTL(TIOCMGET) 857COMPATIBLE_IOCTL(TIOCMBIC) 858COMPATIBLE_IOCTL(TIOCMBIS) 859COMPATIBLE_IOCTL(TIOCMSET) 860COMPATIBLE_IOCTL(TIOCPKT) 861COMPATIBLE_IOCTL(TIOCNOTTY) 862COMPATIBLE_IOCTL(TIOCSTI) 863COMPATIBLE_IOCTL(TIOCOUTQ) 864COMPATIBLE_IOCTL(TIOCSPGRP) 865COMPATIBLE_IOCTL(TIOCGPGRP) 866COMPATIBLE_IOCTL(TIOCGPTN) 867COMPATIBLE_IOCTL(TIOCSPTLCK) 868COMPATIBLE_IOCTL(TIOCSERGETLSR) 869COMPATIBLE_IOCTL(TIOCSIG) 870#ifdef TCGETS2 871COMPATIBLE_IOCTL(TCGETS2) 872COMPATIBLE_IOCTL(TCSETS2) 873COMPATIBLE_IOCTL(TCSETSW2) 874COMPATIBLE_IOCTL(TCSETSF2) 875#endif 876/* Little f */ 877COMPATIBLE_IOCTL(FIOCLEX) 878COMPATIBLE_IOCTL(FIONCLEX) 879COMPATIBLE_IOCTL(FIOASYNC) 880COMPATIBLE_IOCTL(FIONBIO) 881COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */ 882COMPATIBLE_IOCTL(FS_IOC_FIEMAP) 883/* 0x00 */ 884COMPATIBLE_IOCTL(FIBMAP) 885COMPATIBLE_IOCTL(FIGETBSZ) 886/* 'X' - originally XFS but some now in the VFS */ 887COMPATIBLE_IOCTL(FIFREEZE) 888COMPATIBLE_IOCTL(FITHAW) 889COMPATIBLE_IOCTL(KDGETKEYCODE) 890COMPATIBLE_IOCTL(KDSETKEYCODE) 891COMPATIBLE_IOCTL(KDGKBTYPE) 892COMPATIBLE_IOCTL(KDGETMODE) 893COMPATIBLE_IOCTL(KDGKBMODE) 894COMPATIBLE_IOCTL(KDGKBMETA) 895COMPATIBLE_IOCTL(KDGKBENT) 896COMPATIBLE_IOCTL(KDSKBENT) 897COMPATIBLE_IOCTL(KDGKBSENT) 898COMPATIBLE_IOCTL(KDSKBSENT) 899COMPATIBLE_IOCTL(KDGKBDIACR) 900COMPATIBLE_IOCTL(KDSKBDIACR) 901COMPATIBLE_IOCTL(KDKBDREP) 902COMPATIBLE_IOCTL(KDGKBLED) 903COMPATIBLE_IOCTL(KDGETLED) 904#ifdef CONFIG_BLOCK 905/* Big S */ 906COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN) 907COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK) 908COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK) 909COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY) 910COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER) 911COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND) 912COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST) 913COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI) 914#endif 915/* Big V (don't complain on serial console) */ 916IGNORE_IOCTL(VT_OPENQRY) 917IGNORE_IOCTL(VT_GETMODE) 918/* Little p (/dev/rtc, /dev/envctrl, etc.) */ 919COMPATIBLE_IOCTL(RTC_AIE_ON) 920COMPATIBLE_IOCTL(RTC_AIE_OFF) 921COMPATIBLE_IOCTL(RTC_UIE_ON) 922COMPATIBLE_IOCTL(RTC_UIE_OFF) 923COMPATIBLE_IOCTL(RTC_PIE_ON) 924COMPATIBLE_IOCTL(RTC_PIE_OFF) 925COMPATIBLE_IOCTL(RTC_WIE_ON) 926COMPATIBLE_IOCTL(RTC_WIE_OFF) 927COMPATIBLE_IOCTL(RTC_ALM_SET) 928COMPATIBLE_IOCTL(RTC_ALM_READ) 929COMPATIBLE_IOCTL(RTC_RD_TIME) 930COMPATIBLE_IOCTL(RTC_SET_TIME) 931COMPATIBLE_IOCTL(RTC_WKALM_SET) 932COMPATIBLE_IOCTL(RTC_WKALM_RD) 933/* 934 * These two are only for the sbus rtc driver, but 935 * hwclock tries them on every rtc device first when 936 * running on sparc. On other architectures the entries 937 * are useless but harmless. 938 */ 939COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */ 940COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */ 941/* Little m */ 942COMPATIBLE_IOCTL(MTIOCTOP) 943/* Socket level stuff */ 944COMPATIBLE_IOCTL(FIOQSIZE) 945#ifdef CONFIG_BLOCK 946/* loop */ 947IGNORE_IOCTL(LOOP_CLR_FD) 948/* md calls this on random blockdevs */ 949IGNORE_IOCTL(RAID_VERSION) 950/* qemu/qemu-img might call these two on plain files for probing */ 951IGNORE_IOCTL(CDROM_DRIVE_STATUS) 952IGNORE_IOCTL(FDGETPRM32) 953/* SG stuff */ 954COMPATIBLE_IOCTL(SG_SET_TIMEOUT) 955COMPATIBLE_IOCTL(SG_GET_TIMEOUT) 956COMPATIBLE_IOCTL(SG_EMULATED_HOST) 957COMPATIBLE_IOCTL(SG_GET_TRANSFORM) 958COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE) 959COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE) 960COMPATIBLE_IOCTL(SG_GET_SCSI_ID) 961COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA) 962COMPATIBLE_IOCTL(SG_GET_LOW_DMA) 963COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID) 964COMPATIBLE_IOCTL(SG_GET_PACK_ID) 965COMPATIBLE_IOCTL(SG_GET_NUM_WAITING) 966COMPATIBLE_IOCTL(SG_SET_DEBUG) 967COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE) 968COMPATIBLE_IOCTL(SG_GET_COMMAND_Q) 969COMPATIBLE_IOCTL(SG_SET_COMMAND_Q) 970COMPATIBLE_IOCTL(SG_GET_VERSION_NUM) 971COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN) 972COMPATIBLE_IOCTL(SG_SCSI_RESET) 973COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE) 974COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN) 975COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN) 976#endif 977/* PPP stuff */ 978COMPATIBLE_IOCTL(PPPIOCGFLAGS) 979COMPATIBLE_IOCTL(PPPIOCSFLAGS) 980COMPATIBLE_IOCTL(PPPIOCGASYNCMAP) 981COMPATIBLE_IOCTL(PPPIOCSASYNCMAP) 982COMPATIBLE_IOCTL(PPPIOCGUNIT) 983COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP) 984COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP) 985COMPATIBLE_IOCTL(PPPIOCGMRU) 986COMPATIBLE_IOCTL(PPPIOCSMRU) 987COMPATIBLE_IOCTL(PPPIOCSMAXCID) 988COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP) 989COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP) 990COMPATIBLE_IOCTL(PPPIOCXFERUNIT) 991/* PPPIOCSCOMPRESS is translated */ 992COMPATIBLE_IOCTL(PPPIOCGNPMODE) 993COMPATIBLE_IOCTL(PPPIOCSNPMODE) 994COMPATIBLE_IOCTL(PPPIOCGDEBUG) 995COMPATIBLE_IOCTL(PPPIOCSDEBUG) 996/* PPPIOCSPASS is translated */ 997/* PPPIOCSACTIVE is translated */ 998/* PPPIOCGIDLE is translated */ 999COMPATIBLE_IOCTL(PPPIOCNEWUNIT) 1000COMPATIBLE_IOCTL(PPPIOCATTACH) 1001COMPATIBLE_IOCTL(PPPIOCDETACH) 1002COMPATIBLE_IOCTL(PPPIOCSMRRU) 1003COMPATIBLE_IOCTL(PPPIOCCONNECT) 1004COMPATIBLE_IOCTL(PPPIOCDISCONN) 1005COMPATIBLE_IOCTL(PPPIOCATTCHAN) 1006COMPATIBLE_IOCTL(PPPIOCGCHAN) 1007COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS) 1008/* PPPOX */ 1009COMPATIBLE_IOCTL(PPPOEIOCSFWD) 1010COMPATIBLE_IOCTL(PPPOEIOCDFWD) 1011/* ppdev */ 1012COMPATIBLE_IOCTL(PPSETMODE) 1013COMPATIBLE_IOCTL(PPRSTATUS) 1014COMPATIBLE_IOCTL(PPRCONTROL) 1015COMPATIBLE_IOCTL(PPWCONTROL) 1016COMPATIBLE_IOCTL(PPFCONTROL) 1017COMPATIBLE_IOCTL(PPRDATA) 1018COMPATIBLE_IOCTL(PPWDATA) 1019COMPATIBLE_IOCTL(PPCLAIM) 1020COMPATIBLE_IOCTL(PPRELEASE) 1021COMPATIBLE_IOCTL(PPYIELD) 1022COMPATIBLE_IOCTL(PPEXCL) 1023COMPATIBLE_IOCTL(PPDATADIR) 1024COMPATIBLE_IOCTL(PPNEGOT) 1025COMPATIBLE_IOCTL(PPWCTLONIRQ) 1026COMPATIBLE_IOCTL(PPCLRIRQ) 1027COMPATIBLE_IOCTL(PPSETPHASE) 1028COMPATIBLE_IOCTL(PPGETMODES) 1029COMPATIBLE_IOCTL(PPGETMODE) 1030COMPATIBLE_IOCTL(PPGETPHASE) 1031COMPATIBLE_IOCTL(PPGETFLAGS) 1032COMPATIBLE_IOCTL(PPSETFLAGS) 1033/* Big A */ 1034/* sparc only */ 1035/* Big Q for sound/OSS */ 1036COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET) 1037COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC) 1038COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO) 1039COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE) 1040COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT) 1041COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT) 1042COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE) 1043COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR) 1044COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI) 1045COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES) 1046COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS) 1047COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS) 1048COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO) 1049COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD) 1050COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL) 1051COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE) 1052COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC) 1053COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND) 1054COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME) 1055COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID) 1056COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL) 1057COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE) 1058/* Big T for sound/OSS */ 1059COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE) 1060COMPATIBLE_IOCTL(SNDCTL_TMR_START) 1061COMPATIBLE_IOCTL(SNDCTL_TMR_STOP) 1062COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE) 1063COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO) 1064COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE) 1065COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME) 1066COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT) 1067/* Little m for sound/OSS */ 1068COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME) 1069COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE) 1070COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD) 1071/* Big P for sound/OSS */ 1072COMPATIBLE_IOCTL(SNDCTL_DSP_RESET) 1073COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC) 1074COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED) 1075COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO) 1076COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE) 1077COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS) 1078COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER) 1079COMPATIBLE_IOCTL(SNDCTL_DSP_POST) 1080COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE) 1081COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT) 1082COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS) 1083COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT) 1084COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE) 1085COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE) 1086COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK) 1087COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS) 1088COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER) 1089COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER) 1090COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR) 1091COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR) 1092/* SNDCTL_DSP_MAPINBUF, XXX needs translation */ 1093/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */ 1094COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO) 1095COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX) 1096COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY) 1097COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE) 1098COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE) 1099COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS) 1100COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS) 1101COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER) 1102/* Big C for sound/OSS */ 1103COMPATIBLE_IOCTL(SNDCTL_COPR_RESET) 1104COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD) 1105COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA) 1106COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE) 1107COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA) 1108COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE) 1109COMPATIBLE_IOCTL(SNDCTL_COPR_RUN) 1110COMPATIBLE_IOCTL(SNDCTL_COPR_HALT) 1111COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG) 1112COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG) 1113/* Big M for sound/OSS */ 1114COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME) 1115COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS) 1116COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE) 1117COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH) 1118COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM) 1119COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER) 1120COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE) 1121COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC) 1122COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD) 1123COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX) 1124COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM) 1125COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV) 1126COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN) 1127COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN) 1128COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1) 1129COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2) 1130COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3) 1131COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1)) 1132COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2)) 1133COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3)) 1134COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN)) 1135COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT)) 1136COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO)) 1137COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO)) 1138COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR)) 1139COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE) 1140/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */ 1141/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */ 1142COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC) 1143COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK) 1144COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK) 1145COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS) 1146COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS) 1147COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME) 1148COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS) 1149COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE) 1150COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH) 1151COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM) 1152COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER) 1153COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE) 1154COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC) 1155COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD) 1156COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX) 1157COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM) 1158COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV) 1159COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN) 1160COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN) 1161COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1) 1162COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2) 1163COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3) 1164COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1)) 1165COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2)) 1166COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3)) 1167COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN)) 1168COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT)) 1169COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO)) 1170COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO)) 1171COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR)) 1172COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE) 1173/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */ 1174/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */ 1175COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC) 1176COMPATIBLE_IOCTL(SOUND_MIXER_INFO) 1177COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO) 1178COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS) 1179COMPATIBLE_IOCTL(SOUND_MIXER_AGC) 1180COMPATIBLE_IOCTL(SOUND_MIXER_3DSE) 1181COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1) 1182COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2) 1183COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3) 1184COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4) 1185COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5) 1186COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS) 1187COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS) 1188COMPATIBLE_IOCTL(OSS_GETVERSION) 1189/* Raw devices */ 1190COMPATIBLE_IOCTL(RAW_SETBIND) 1191COMPATIBLE_IOCTL(RAW_GETBIND) 1192/* Watchdog */ 1193COMPATIBLE_IOCTL(WDIOC_GETSUPPORT) 1194COMPATIBLE_IOCTL(WDIOC_GETSTATUS) 1195COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS) 1196COMPATIBLE_IOCTL(WDIOC_GETTEMP) 1197COMPATIBLE_IOCTL(WDIOC_SETOPTIONS) 1198COMPATIBLE_IOCTL(WDIOC_KEEPALIVE) 1199COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT) 1200COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT) 1201/* Big R */ 1202COMPATIBLE_IOCTL(RNDGETENTCNT) 1203COMPATIBLE_IOCTL(RNDADDTOENTCNT) 1204COMPATIBLE_IOCTL(RNDGETPOOL) 1205COMPATIBLE_IOCTL(RNDADDENTROPY) 1206COMPATIBLE_IOCTL(RNDZAPENTCNT) 1207COMPATIBLE_IOCTL(RNDCLEARPOOL) 1208/* Bluetooth */ 1209COMPATIBLE_IOCTL(HCIDEVUP) 1210COMPATIBLE_IOCTL(HCIDEVDOWN) 1211COMPATIBLE_IOCTL(HCIDEVRESET) 1212COMPATIBLE_IOCTL(HCIDEVRESTAT) 1213COMPATIBLE_IOCTL(HCIGETDEVLIST) 1214COMPATIBLE_IOCTL(HCIGETDEVINFO) 1215COMPATIBLE_IOCTL(HCIGETCONNLIST) 1216COMPATIBLE_IOCTL(HCIGETCONNINFO) 1217COMPATIBLE_IOCTL(HCIGETAUTHINFO) 1218COMPATIBLE_IOCTL(HCISETRAW) 1219COMPATIBLE_IOCTL(HCISETSCAN) 1220COMPATIBLE_IOCTL(HCISETAUTH) 1221COMPATIBLE_IOCTL(HCISETENCRYPT) 1222COMPATIBLE_IOCTL(HCISETPTYPE) 1223COMPATIBLE_IOCTL(HCISETLINKPOL) 1224COMPATIBLE_IOCTL(HCISETLINKMODE) 1225COMPATIBLE_IOCTL(HCISETACLMTU) 1226COMPATIBLE_IOCTL(HCISETSCOMTU) 1227COMPATIBLE_IOCTL(HCIBLOCKADDR) 1228COMPATIBLE_IOCTL(HCIUNBLOCKADDR) 1229COMPATIBLE_IOCTL(HCIINQUIRY) 1230COMPATIBLE_IOCTL(HCIUARTSETPROTO) 1231COMPATIBLE_IOCTL(HCIUARTGETPROTO) 1232COMPATIBLE_IOCTL(RFCOMMCREATEDEV) 1233COMPATIBLE_IOCTL(RFCOMMRELEASEDEV) 1234COMPATIBLE_IOCTL(RFCOMMGETDEVLIST) 1235COMPATIBLE_IOCTL(RFCOMMGETDEVINFO) 1236COMPATIBLE_IOCTL(RFCOMMSTEALDLC) 1237COMPATIBLE_IOCTL(BNEPCONNADD) 1238COMPATIBLE_IOCTL(BNEPCONNDEL) 1239COMPATIBLE_IOCTL(BNEPGETCONNLIST) 1240COMPATIBLE_IOCTL(BNEPGETCONNINFO) 1241COMPATIBLE_IOCTL(CMTPCONNADD) 1242COMPATIBLE_IOCTL(CMTPCONNDEL) 1243COMPATIBLE_IOCTL(CMTPGETCONNLIST) 1244COMPATIBLE_IOCTL(CMTPGETCONNINFO) 1245COMPATIBLE_IOCTL(HIDPCONNADD) 1246COMPATIBLE_IOCTL(HIDPCONNDEL) 1247COMPATIBLE_IOCTL(HIDPGETCONNLIST) 1248COMPATIBLE_IOCTL(HIDPGETCONNINFO) 1249/* CAPI */ 1250COMPATIBLE_IOCTL(CAPI_REGISTER) 1251COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER) 1252COMPATIBLE_IOCTL(CAPI_GET_VERSION) 1253COMPATIBLE_IOCTL(CAPI_GET_SERIAL) 1254COMPATIBLE_IOCTL(CAPI_GET_PROFILE) 1255COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD) 1256COMPATIBLE_IOCTL(CAPI_GET_ERRCODE) 1257COMPATIBLE_IOCTL(CAPI_INSTALLED) 1258COMPATIBLE_IOCTL(CAPI_GET_FLAGS) 1259COMPATIBLE_IOCTL(CAPI_SET_FLAGS) 1260COMPATIBLE_IOCTL(CAPI_CLR_FLAGS) 1261COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT) 1262COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT) 1263/* Siemens Gigaset */ 1264COMPATIBLE_IOCTL(GIGASET_REDIR) 1265COMPATIBLE_IOCTL(GIGASET_CONFIG) 1266COMPATIBLE_IOCTL(GIGASET_BRKCHARS) 1267COMPATIBLE_IOCTL(GIGASET_VERSION) 1268/* Misc. */ 1269COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */ 1270COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */ 1271COMPATIBLE_IOCTL(PCIIOC_CONTROLLER) 1272COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO) 1273COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM) 1274COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE) 1275/* NBD */ 1276COMPATIBLE_IOCTL(NBD_DO_IT) 1277COMPATIBLE_IOCTL(NBD_CLEAR_SOCK) 1278COMPATIBLE_IOCTL(NBD_CLEAR_QUE) 1279COMPATIBLE_IOCTL(NBD_PRINT_DEBUG) 1280COMPATIBLE_IOCTL(NBD_DISCONNECT) 1281/* i2c */ 1282COMPATIBLE_IOCTL(I2C_SLAVE) 1283COMPATIBLE_IOCTL(I2C_SLAVE_FORCE) 1284COMPATIBLE_IOCTL(I2C_TENBIT) 1285COMPATIBLE_IOCTL(I2C_PEC) 1286COMPATIBLE_IOCTL(I2C_RETRIES) 1287COMPATIBLE_IOCTL(I2C_TIMEOUT) 1288/* hiddev */ 1289COMPATIBLE_IOCTL(HIDIOCGVERSION) 1290COMPATIBLE_IOCTL(HIDIOCAPPLICATION) 1291COMPATIBLE_IOCTL(HIDIOCGDEVINFO) 1292COMPATIBLE_IOCTL(HIDIOCGSTRING) 1293COMPATIBLE_IOCTL(HIDIOCINITREPORT) 1294COMPATIBLE_IOCTL(HIDIOCGREPORT) 1295COMPATIBLE_IOCTL(HIDIOCSREPORT) 1296COMPATIBLE_IOCTL(HIDIOCGREPORTINFO) 1297COMPATIBLE_IOCTL(HIDIOCGFIELDINFO) 1298COMPATIBLE_IOCTL(HIDIOCGUSAGE) 1299COMPATIBLE_IOCTL(HIDIOCSUSAGE) 1300COMPATIBLE_IOCTL(HIDIOCGUCODE) 1301COMPATIBLE_IOCTL(HIDIOCGFLAG) 1302COMPATIBLE_IOCTL(HIDIOCSFLAG) 1303COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX) 1304COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO) 1305/* dvb */ 1306COMPATIBLE_IOCTL(AUDIO_STOP) 1307COMPATIBLE_IOCTL(AUDIO_PLAY) 1308COMPATIBLE_IOCTL(AUDIO_PAUSE) 1309COMPATIBLE_IOCTL(AUDIO_CONTINUE) 1310COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE) 1311COMPATIBLE_IOCTL(AUDIO_SET_MUTE) 1312COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC) 1313COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE) 1314COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT) 1315COMPATIBLE_IOCTL(AUDIO_GET_STATUS) 1316COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES) 1317COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER) 1318COMPATIBLE_IOCTL(AUDIO_SET_ID) 1319COMPATIBLE_IOCTL(AUDIO_SET_MIXER) 1320COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE) 1321COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID) 1322COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES) 1323COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE) 1324COMPATIBLE_IOCTL(DMX_START) 1325COMPATIBLE_IOCTL(DMX_STOP) 1326COMPATIBLE_IOCTL(DMX_SET_FILTER) 1327COMPATIBLE_IOCTL(DMX_SET_PES_FILTER) 1328COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE) 1329COMPATIBLE_IOCTL(DMX_GET_PES_PIDS) 1330COMPATIBLE_IOCTL(DMX_GET_CAPS) 1331COMPATIBLE_IOCTL(DMX_SET_SOURCE) 1332COMPATIBLE_IOCTL(DMX_GET_STC) 1333COMPATIBLE_IOCTL(FE_GET_INFO) 1334COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD) 1335COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD) 1336COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY) 1337COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST) 1338COMPATIBLE_IOCTL(FE_SET_TONE) 1339COMPATIBLE_IOCTL(FE_SET_VOLTAGE) 1340COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE) 1341COMPATIBLE_IOCTL(FE_READ_STATUS) 1342COMPATIBLE_IOCTL(FE_READ_BER) 1343COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH) 1344COMPATIBLE_IOCTL(FE_READ_SNR) 1345COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS) 1346COMPATIBLE_IOCTL(FE_SET_FRONTEND) 1347COMPATIBLE_IOCTL(FE_GET_FRONTEND) 1348COMPATIBLE_IOCTL(FE_GET_EVENT) 1349COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD) 1350COMPATIBLE_IOCTL(VIDEO_STOP) 1351COMPATIBLE_IOCTL(VIDEO_PLAY) 1352COMPATIBLE_IOCTL(VIDEO_FREEZE) 1353COMPATIBLE_IOCTL(VIDEO_CONTINUE) 1354COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE) 1355COMPATIBLE_IOCTL(VIDEO_SET_BLANK) 1356COMPATIBLE_IOCTL(VIDEO_GET_STATUS) 1357COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT) 1358COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD) 1359COMPATIBLE_IOCTL(VIDEO_SLOWMOTION) 1360COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES) 1361COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER) 1362COMPATIBLE_IOCTL(VIDEO_SET_ID) 1363COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE) 1364COMPATIBLE_IOCTL(VIDEO_SET_FORMAT) 1365COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM) 1366COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT) 1367COMPATIBLE_IOCTL(VIDEO_SET_SPU) 1368COMPATIBLE_IOCTL(VIDEO_GET_NAVI) 1369COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES) 1370COMPATIBLE_IOCTL(VIDEO_GET_SIZE) 1371COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE) 1372 1373/* joystick */ 1374COMPATIBLE_IOCTL(JSIOCGVERSION) 1375COMPATIBLE_IOCTL(JSIOCGAXES) 1376COMPATIBLE_IOCTL(JSIOCGBUTTONS) 1377COMPATIBLE_IOCTL(JSIOCGNAME(0)) 1378 1379#ifdef TIOCGLTC 1380COMPATIBLE_IOCTL(TIOCGLTC) 1381COMPATIBLE_IOCTL(TIOCSLTC) 1382#endif 1383#ifdef TIOCSTART 1384/* 1385 * For these two we have definitions in ioctls.h and/or termios.h on 1386 * some architectures but no actual implemention. Some applications 1387 * like bash call them if they are defined in the headers, so we provide 1388 * entries here to avoid syslog message spew. 1389 */ 1390COMPATIBLE_IOCTL(TIOCSTART) 1391COMPATIBLE_IOCTL(TIOCSTOP) 1392#endif 1393 1394/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl, 1395 but we don't want warnings on other file systems. So declare 1396 them as compatible here. */ 1397#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2]) 1398#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2]) 1399 1400IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32) 1401IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32) 1402 1403#ifdef CONFIG_SPARC 1404/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */ 1405IGNORE_IOCTL(FBIOGTYPE) 1406IGNORE_IOCTL(FBIOSATTR) 1407IGNORE_IOCTL(FBIOGATTR) 1408IGNORE_IOCTL(FBIOSVIDEO) 1409IGNORE_IOCTL(FBIOGVIDEO) 1410IGNORE_IOCTL(FBIOSCURPOS) 1411IGNORE_IOCTL(FBIOGCURPOS) 1412IGNORE_IOCTL(FBIOGCURMAX) 1413IGNORE_IOCTL(FBIOPUTCMAP32) 1414IGNORE_IOCTL(FBIOGETCMAP32) 1415IGNORE_IOCTL(FBIOSCURSOR32) 1416IGNORE_IOCTL(FBIOGCURSOR32) 1417#endif 1418}; 1419 1420/* 1421 * Convert common ioctl arguments based on their command number 1422 * 1423 * Please do not add any code in here. Instead, implement 1424 * a compat_ioctl operation in the place that handleѕ the 1425 * ioctl for the native case. 1426 */ 1427static long do_ioctl_trans(int fd, unsigned int cmd, 1428 unsigned long arg, struct file *file) 1429{ 1430 void __user *argp = compat_ptr(arg); 1431 1432 switch (cmd) { 1433 case PPPIOCGIDLE32: 1434 return ppp_gidle(fd, cmd, argp); 1435 case PPPIOCSCOMPRESS32: 1436 return ppp_scompress(fd, cmd, argp); 1437 case PPPIOCSPASS32: 1438 case PPPIOCSACTIVE32: 1439 return ppp_sock_fprog_ioctl_trans(fd, cmd, argp); 1440#ifdef CONFIG_BLOCK 1441 case SG_IO: 1442 return sg_ioctl_trans(fd, cmd, argp); 1443 case SG_GET_REQUEST_TABLE: 1444 return sg_grt_trans(fd, cmd, argp); 1445 case MTIOCGET32: 1446 case MTIOCPOS32: 1447 return mt_ioctl_trans(fd, cmd, argp); 1448#endif 1449 /* Serial */ 1450 case TIOCGSERIAL: 1451 case TIOCSSERIAL: 1452 return serial_struct_ioctl(fd, cmd, argp); 1453 /* i2c */ 1454 case I2C_FUNCS: 1455 return w_long(fd, cmd, argp); 1456 case I2C_RDWR: 1457 return do_i2c_rdwr_ioctl(fd, cmd, argp); 1458 case I2C_SMBUS: 1459 return do_i2c_smbus_ioctl(fd, cmd, argp); 1460 /* Not implemented in the native kernel */ 1461 case RTC_IRQP_READ32: 1462 case RTC_IRQP_SET32: 1463 case RTC_EPOCH_READ32: 1464 case RTC_EPOCH_SET32: 1465 return rtc_ioctl(fd, cmd, argp); 1466 1467 /* dvb */ 1468 case VIDEO_GET_EVENT: 1469 return do_video_get_event(fd, cmd, argp); 1470 case VIDEO_STILLPICTURE: 1471 return do_video_stillpicture(fd, cmd, argp); 1472 case VIDEO_SET_SPU_PALETTE: 1473 return do_video_set_spu_palette(fd, cmd, argp); 1474 } 1475 1476 /* 1477 * These take an integer instead of a pointer as 'arg', 1478 * so we must not do a compat_ptr() translation. 1479 */ 1480 switch (cmd) { 1481 /* Big T */ 1482 case TCSBRKP: 1483 case TIOCMIWAIT: 1484 case TIOCSCTTY: 1485 /* RAID */ 1486 case HOT_REMOVE_DISK: 1487 case HOT_ADD_DISK: 1488 case SET_DISK_FAULTY: 1489 case SET_BITMAP_FILE: 1490 /* Big K */ 1491 case KDSIGACCEPT: 1492 case KIOCSOUND: 1493 case KDMKTONE: 1494 case KDSETMODE: 1495 case KDSKBMODE: 1496 case KDSKBMETA: 1497 case KDSKBLED: 1498 case KDSETLED: 1499 /* NBD */ 1500 case NBD_SET_SOCK: 1501 case NBD_SET_BLKSIZE: 1502 case NBD_SET_SIZE: 1503 case NBD_SET_SIZE_BLOCKS: 1504 return do_vfs_ioctl(file, fd, cmd, arg); 1505 } 1506 1507 return -ENOIOCTLCMD; 1508} 1509 1510static int compat_ioctl_check_table(unsigned int xcmd) 1511{ 1512 int i; 1513 const int max = ARRAY_SIZE(ioctl_pointer) - 1; 1514 1515 BUILD_BUG_ON(max >= (1 << 16)); 1516 1517 /* guess initial offset into table, assuming a 1518 normalized distribution */ 1519 i = ((xcmd >> 16) * max) >> 16; 1520 1521 /* do linear search up first, until greater or equal */ 1522 while (ioctl_pointer[i] < xcmd && i < max) 1523 i++; 1524 1525 /* then do linear search down */ 1526 while (ioctl_pointer[i] > xcmd && i > 0) 1527 i--; 1528 1529 return ioctl_pointer[i] == xcmd; 1530} 1531 1532asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 1533 unsigned long arg) 1534{ 1535 struct file *filp; 1536 int error = -EBADF; 1537 int fput_needed; 1538 1539 filp = fget_light(fd, &fput_needed); 1540 if (!filp) 1541 goto out; 1542 1543 /* RED-PEN how should LSM module know it's handling 32bit? */ 1544 error = security_file_ioctl(filp, cmd, arg); 1545 if (error) 1546 goto out_fput; 1547 1548 /* 1549 * To allow the compat_ioctl handlers to be self contained 1550 * we need to check the common ioctls here first. 1551 * Just handle them with the standard handlers below. 1552 */ 1553 switch (cmd) { 1554 case FIOCLEX: 1555 case FIONCLEX: 1556 case FIONBIO: 1557 case FIOASYNC: 1558 case FIOQSIZE: 1559 break; 1560 1561#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) 1562 case FS_IOC_RESVSP_32: 1563 case FS_IOC_RESVSP64_32: 1564 error = compat_ioctl_preallocate(filp, compat_ptr(arg)); 1565 goto out_fput; 1566#else 1567 case FS_IOC_RESVSP: 1568 case FS_IOC_RESVSP64: 1569 error = ioctl_preallocate(filp, compat_ptr(arg)); 1570 goto out_fput; 1571#endif 1572 1573 case FIBMAP: 1574 case FIGETBSZ: 1575 case FIONREAD: 1576 if (S_ISREG(filp->f_path.dentry->d_inode->i_mode)) 1577 break; 1578 /*FALL THROUGH*/ 1579 1580 default: 1581 if (filp->f_op && filp->f_op->compat_ioctl) { 1582 error = filp->f_op->compat_ioctl(filp, cmd, arg); 1583 if (error != -ENOIOCTLCMD) 1584 goto out_fput; 1585 } 1586 1587 if (!filp->f_op || !filp->f_op->unlocked_ioctl) 1588 goto do_ioctl; 1589 break; 1590 } 1591 1592 if (compat_ioctl_check_table(XFORM(cmd))) 1593 goto found_handler; 1594 1595 error = do_ioctl_trans(fd, cmd, arg, filp); 1596 if (error == -ENOIOCTLCMD) 1597 error = -ENOTTY; 1598 1599 goto out_fput; 1600 1601 found_handler: 1602 arg = (unsigned long)compat_ptr(arg); 1603 do_ioctl: 1604 error = do_vfs_ioctl(filp, fd, cmd, arg); 1605 out_fput: 1606 fput_light(filp, fput_needed); 1607 out: 1608 return error; 1609} 1610 1611static int __init init_sys32_ioctl_cmp(const void *p, const void *q) 1612{ 1613 unsigned int a, b; 1614 a = *(unsigned int *)p; 1615 b = *(unsigned int *)q; 1616 if (a > b) 1617 return 1; 1618 if (a < b) 1619 return -1; 1620 return 0; 1621} 1622 1623static int __init init_sys32_ioctl(void) 1624{ 1625 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer), 1626 init_sys32_ioctl_cmp, NULL); 1627 return 0; 1628} 1629__initcall(init_sys32_ioctl);