linux/fs/compat_ioctl.c
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   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);
1630
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