linux/fs/compat_ioctl.c
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   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);
1642