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 <scsi/scsi.h>
  72#include <scsi/scsi_ioctl.h>
  73#include <scsi/sg.h>
  74#endif
  75
  76#include <asm/uaccess.h>
  77#include <linux/ethtool.h>
  78#include <linux/mii.h>
  79#include <linux/if_bonding.h>
  80#include <linux/watchdog.h>
  81
  82#include <linux/soundcard.h>
  83#include <linux/lp.h>
  84#include <linux/ppdev.h>
  85
  86#include <linux/atm.h>
  87#include <linux/atmarp.h>
  88#include <linux/atmclip.h>
  89#include <linux/atmdev.h>
  90#include <linux/atmioc.h>
  91#include <linux/atmlec.h>
  92#include <linux/atmmpc.h>
  93#include <linux/atmsvc.h>
  94#include <linux/atm_tcp.h>
  95#include <linux/sonet.h>
  96#include <linux/atm_suni.h>
  97
  98#include <linux/usb.h>
  99#include <linux/usbdevice_fs.h>
 100#include <linux/nbd.h>
 101#include <linux/random.h>
 102#include <linux/filter.h>
 103
 104#include <linux/hiddev.h>
 105
 106#include <linux/dvb/audio.h>
 107#include <linux/dvb/dmx.h>
 108#include <linux/dvb/frontend.h>
 109#include <linux/dvb/video.h>
 110
 111#include <linux/sort.h>
 112
 113#ifdef CONFIG_SPARC
 114#include <asm/fbio.h>
 115#endif
 116
 117static int w_long(unsigned int fd, unsigned int cmd,
 118                compat_ulong_t __user *argp)
 119{
 120        mm_segment_t old_fs = get_fs();
 121        int err;
 122        unsigned long val;
 123
 124        set_fs (KERNEL_DS);
 125        err = sys_ioctl(fd, cmd, (unsigned long)&val);
 126        set_fs (old_fs);
 127        if (!err && put_user(val, argp))
 128                return -EFAULT;
 129        return err;
 130}
 131
 132struct compat_video_event {
 133        int32_t         type;
 134        compat_time_t   timestamp;
 135        union {
 136                video_size_t size;
 137                unsigned int frame_rate;
 138        } u;
 139};
 140
 141static int do_video_get_event(unsigned int fd, unsigned int cmd,
 142                struct compat_video_event __user *up)
 143{
 144        struct video_event kevent;
 145        mm_segment_t old_fs = get_fs();
 146        int err;
 147
 148        set_fs(KERNEL_DS);
 149        err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
 150        set_fs(old_fs);
 151
 152        if (!err) {
 153                err  = put_user(kevent.type, &up->type);
 154                err |= put_user(kevent.timestamp, &up->timestamp);
 155                err |= put_user(kevent.u.size.w, &up->u.size.w);
 156                err |= put_user(kevent.u.size.h, &up->u.size.h);
 157                err |= put_user(kevent.u.size.aspect_ratio,
 158                                &up->u.size.aspect_ratio);
 159                if (err)
 160                        err = -EFAULT;
 161        }
 162
 163        return err;
 164}
 165
 166struct compat_video_still_picture {
 167        compat_uptr_t iFrame;
 168        int32_t size;
 169};
 170
 171static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
 172        struct compat_video_still_picture __user *up)
 173{
 174        struct video_still_picture __user *up_native;
 175        compat_uptr_t fp;
 176        int32_t size;
 177        int err;
 178
 179        err  = get_user(fp, &up->iFrame);
 180        err |= get_user(size, &up->size);
 181        if (err)
 182                return -EFAULT;
 183
 184        up_native =
 185                compat_alloc_user_space(sizeof(struct video_still_picture));
 186
 187        err =  put_user(compat_ptr(fp), &up_native->iFrame);
 188        err |= put_user(size, &up_native->size);
 189        if (err)
 190                return -EFAULT;
 191
 192        err = sys_ioctl(fd, cmd, (unsigned long) up_native);
 193
 194        return err;
 195}
 196
 197struct compat_video_spu_palette {
 198        int length;
 199        compat_uptr_t palette;
 200};
 201
 202static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
 203                struct compat_video_spu_palette __user *up)
 204{
 205        struct video_spu_palette __user *up_native;
 206        compat_uptr_t palp;
 207        int length, err;
 208
 209        err  = get_user(palp, &up->palette);
 210        err |= get_user(length, &up->length);
 211
 212        up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
 213        err  = put_user(compat_ptr(palp), &up_native->palette);
 214        err |= put_user(length, &up_native->length);
 215        if (err)
 216                return -EFAULT;
 217
 218        err = sys_ioctl(fd, cmd, (unsigned long) up_native);
 219
 220        return err;
 221}
 222
 223#ifdef CONFIG_BLOCK
 224typedef struct sg_io_hdr32 {
 225        compat_int_t interface_id;      /* [i] 'S' for SCSI generic (required) */
 226        compat_int_t dxfer_direction;   /* [i] data transfer direction  */
 227        unsigned char cmd_len;          /* [i] SCSI command length ( <= 16 bytes) */
 228        unsigned char mx_sb_len;                /* [i] max length to write to sbp */
 229        unsigned short iovec_count;     /* [i] 0 implies no scatter gather */
 230        compat_uint_t dxfer_len;                /* [i] byte count of data transfer */
 231        compat_uint_t dxferp;           /* [i], [*io] points to data transfer memory
 232                                              or scatter gather list */
 233        compat_uptr_t cmdp;             /* [i], [*i] points to command to perform */
 234        compat_uptr_t sbp;              /* [i], [*o] points to sense_buffer memory */
 235        compat_uint_t timeout;          /* [i] MAX_UINT->no timeout (unit: millisec) */
 236        compat_uint_t flags;            /* [i] 0 -> default, see SG_FLAG... */
 237        compat_int_t pack_id;           /* [i->o] unused internally (normally) */
 238        compat_uptr_t usr_ptr;          /* [i->o] unused internally */
 239        unsigned char status;           /* [o] scsi status */
 240        unsigned char masked_status;    /* [o] shifted, masked scsi status */
 241        unsigned char msg_status;               /* [o] messaging level data (optional) */
 242        unsigned char sb_len_wr;                /* [o] byte count actually written to sbp */
 243        unsigned short host_status;     /* [o] errors from host adapter */
 244        unsigned short driver_status;   /* [o] errors from software driver */
 245        compat_int_t resid;             /* [o] dxfer_len - actual_transferred */
 246        compat_uint_t duration;         /* [o] time taken by cmd (unit: millisec) */
 247        compat_uint_t info;             /* [o] auxiliary information */
 248} sg_io_hdr32_t;  /* 64 bytes long (on sparc32) */
 249
 250typedef struct sg_iovec32 {
 251        compat_uint_t iov_base;
 252        compat_uint_t iov_len;
 253} sg_iovec32_t;
 254
 255static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
 256{
 257        sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
 258        sg_iovec32_t __user *iov32 = dxferp;
 259        int i;
 260
 261        for (i = 0; i < iovec_count; i++) {
 262                u32 base, len;
 263
 264                if (get_user(base, &iov32[i].iov_base) ||
 265                    get_user(len, &iov32[i].iov_len) ||
 266                    put_user(compat_ptr(base), &iov[i].iov_base) ||
 267                    put_user(len, &iov[i].iov_len))
 268                        return -EFAULT;
 269        }
 270
 271        if (put_user(iov, &sgio->dxferp))
 272                return -EFAULT;
 273        return 0;
 274}
 275
 276static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
 277                        sg_io_hdr32_t __user *sgio32)
 278{
 279        sg_io_hdr_t __user *sgio;
 280        u16 iovec_count;
 281        u32 data;
 282        void __user *dxferp;
 283        int err;
 284        int interface_id;
 285
 286        if (get_user(interface_id, &sgio32->interface_id))
 287                return -EFAULT;
 288        if (interface_id != 'S')
 289                return sys_ioctl(fd, cmd, (unsigned long)sgio32);
 290
 291        if (get_user(iovec_count, &sgio32->iovec_count))
 292                return -EFAULT;
 293
 294        {
 295                void __user *top = compat_alloc_user_space(0);
 296                void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
 297                                       (iovec_count * sizeof(sg_iovec_t)));
 298                if (new > top)
 299                        return -EINVAL;
 300
 301                sgio = new;
 302        }
 303
 304        /* Ok, now construct.  */
 305        if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
 306                         (2 * sizeof(int)) +
 307                         (2 * sizeof(unsigned char)) +
 308                         (1 * sizeof(unsigned short)) +
 309                         (1 * sizeof(unsigned int))))
 310                return -EFAULT;
 311
 312        if (get_user(data, &sgio32->dxferp))
 313                return -EFAULT;
 314        dxferp = compat_ptr(data);
 315        if (iovec_count) {
 316                if (sg_build_iovec(sgio, dxferp, iovec_count))
 317                        return -EFAULT;
 318        } else {
 319                if (put_user(dxferp, &sgio->dxferp))
 320                        return -EFAULT;
 321        }
 322
 323        {
 324                unsigned char __user *cmdp;
 325                unsigned char __user *sbp;
 326
 327                if (get_user(data, &sgio32->cmdp))
 328                        return -EFAULT;
 329                cmdp = compat_ptr(data);
 330
 331                if (get_user(data, &sgio32->sbp))
 332                        return -EFAULT;
 333                sbp = compat_ptr(data);
 334
 335                if (put_user(cmdp, &sgio->cmdp) ||
 336                    put_user(sbp, &sgio->sbp))
 337                        return -EFAULT;
 338        }
 339
 340        if (copy_in_user(&sgio->timeout, &sgio32->timeout,
 341                         3 * sizeof(int)))
 342                return -EFAULT;
 343
 344        if (get_user(data, &sgio32->usr_ptr))
 345                return -EFAULT;
 346        if (put_user(compat_ptr(data), &sgio->usr_ptr))
 347                return -EFAULT;
 348
 349        err = sys_ioctl(fd, cmd, (unsigned long) sgio);
 350
 351        if (err >= 0) {
 352                void __user *datap;
 353
 354                if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
 355                                 sizeof(int)) ||
 356                    get_user(datap, &sgio->usr_ptr) ||
 357                    put_user((u32)(unsigned long)datap,
 358                             &sgio32->usr_ptr) ||
 359                    copy_in_user(&sgio32->status, &sgio->status,
 360                                 (4 * sizeof(unsigned char)) +
 361                                 (2 * sizeof(unsigned short)) +
 362                                 (3 * sizeof(int))))
 363                        err = -EFAULT;
 364        }
 365
 366        return err;
 367}
 368
 369struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
 370        char req_state;
 371        char orphan;
 372        char sg_io_owned;
 373        char problem;
 374        int pack_id;
 375        compat_uptr_t usr_ptr;
 376        unsigned int duration;
 377        int unused;
 378};
 379
 380static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
 381                        compat_sg_req_info __user *o)
 382{
 383        int err, i;
 384        sg_req_info_t __user *r;
 385        r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
 386        err = sys_ioctl(fd,cmd,(unsigned long)r);
 387        if (err < 0)
 388                return err;
 389        for (i = 0; i < SG_MAX_QUEUE; i++) {
 390                void __user *ptr;
 391                int d;
 392
 393                if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
 394                    get_user(ptr, &r[i].usr_ptr) ||
 395                    get_user(d, &r[i].duration) ||
 396                    put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
 397                    put_user(d, &o[i].duration))
 398                        return -EFAULT;
 399        }
 400        return err;
 401}
 402#endif /* CONFIG_BLOCK */
 403
 404struct sock_fprog32 {
 405        unsigned short  len;
 406        compat_caddr_t  filter;
 407};
 408
 409#define PPPIOCSPASS32   _IOW('t', 71, struct sock_fprog32)
 410#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
 411
 412static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
 413                        struct sock_fprog32 __user *u_fprog32)
 414{
 415        struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
 416        void __user *fptr64;
 417        u32 fptr32;
 418        u16 flen;
 419
 420        if (get_user(flen, &u_fprog32->len) ||
 421            get_user(fptr32, &u_fprog32->filter))
 422                return -EFAULT;
 423
 424        fptr64 = compat_ptr(fptr32);
 425
 426        if (put_user(flen, &u_fprog64->len) ||
 427            put_user(fptr64, &u_fprog64->filter))
 428                return -EFAULT;
 429
 430        if (cmd == PPPIOCSPASS32)
 431                cmd = PPPIOCSPASS;
 432        else
 433                cmd = PPPIOCSACTIVE;
 434
 435        return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
 436}
 437
 438struct ppp_option_data32 {
 439        compat_caddr_t  ptr;
 440        u32                     length;
 441        compat_int_t            transmit;
 442};
 443#define PPPIOCSCOMPRESS32       _IOW('t', 77, struct ppp_option_data32)
 444
 445struct ppp_idle32 {
 446        compat_time_t xmit_idle;
 447        compat_time_t recv_idle;
 448};
 449#define PPPIOCGIDLE32           _IOR('t', 63, struct ppp_idle32)
 450
 451static int ppp_gidle(unsigned int fd, unsigned int cmd,
 452                struct ppp_idle32 __user *idle32)
 453{
 454        struct ppp_idle __user *idle;
 455        __kernel_time_t xmit, recv;
 456        int err;
 457
 458        idle = compat_alloc_user_space(sizeof(*idle));
 459
 460        err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
 461
 462        if (!err) {
 463                if (get_user(xmit, &idle->xmit_idle) ||
 464                    get_user(recv, &idle->recv_idle) ||
 465                    put_user(xmit, &idle32->xmit_idle) ||
 466                    put_user(recv, &idle32->recv_idle))
 467                        err = -EFAULT;
 468        }
 469        return err;
 470}
 471
 472static int ppp_scompress(unsigned int fd, unsigned int cmd,
 473        struct ppp_option_data32 __user *odata32)
 474{
 475        struct ppp_option_data __user *odata;
 476        __u32 data;
 477        void __user *datap;
 478
 479        odata = compat_alloc_user_space(sizeof(*odata));
 480
 481        if (get_user(data, &odata32->ptr))
 482                return -EFAULT;
 483
 484        datap = compat_ptr(data);
 485        if (put_user(datap, &odata->ptr))
 486                return -EFAULT;
 487
 488        if (copy_in_user(&odata->length, &odata32->length,
 489                         sizeof(__u32) + sizeof(int)))
 490                return -EFAULT;
 491
 492        return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
 493}
 494
 495#ifdef CONFIG_BLOCK
 496struct mtget32 {
 497        compat_long_t   mt_type;
 498        compat_long_t   mt_resid;
 499        compat_long_t   mt_dsreg;
 500        compat_long_t   mt_gstat;
 501        compat_long_t   mt_erreg;
 502        compat_daddr_t  mt_fileno;
 503        compat_daddr_t  mt_blkno;
 504};
 505#define MTIOCGET32      _IOR('m', 2, struct mtget32)
 506
 507struct mtpos32 {
 508        compat_long_t   mt_blkno;
 509};
 510#define MTIOCPOS32      _IOR('m', 3, struct mtpos32)
 511
 512static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
 513{
 514        mm_segment_t old_fs = get_fs();
 515        struct mtget get;
 516        struct mtget32 __user *umget32;
 517        struct mtpos pos;
 518        struct mtpos32 __user *upos32;
 519        unsigned long kcmd;
 520        void *karg;
 521        int err = 0;
 522
 523        switch(cmd) {
 524        case MTIOCPOS32:
 525                kcmd = MTIOCPOS;
 526                karg = &pos;
 527                break;
 528        default:        /* MTIOCGET32 */
 529                kcmd = MTIOCGET;
 530                karg = &get;
 531                break;
 532        }
 533        set_fs (KERNEL_DS);
 534        err = sys_ioctl (fd, kcmd, (unsigned long)karg);
 535        set_fs (old_fs);
 536        if (err)
 537                return err;
 538        switch (cmd) {
 539        case MTIOCPOS32:
 540                upos32 = argp;
 541                err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
 542                break;
 543        case MTIOCGET32:
 544                umget32 = argp;
 545                err = __put_user(get.mt_type, &umget32->mt_type);
 546                err |= __put_user(get.mt_resid, &umget32->mt_resid);
 547                err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
 548                err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
 549                err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
 550                err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
 551                err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
 552                break;
 553        }
 554        return err ? -EFAULT: 0;
 555}
 556
 557#endif /* CONFIG_BLOCK */
 558
 559/* Bluetooth ioctls */
 560#define HCIUARTSETPROTO         _IOW('U', 200, int)
 561#define HCIUARTGETPROTO         _IOR('U', 201, int)
 562#define HCIUARTGETDEVICE        _IOR('U', 202, int)
 563#define HCIUARTSETFLAGS         _IOW('U', 203, int)
 564#define HCIUARTGETFLAGS         _IOR('U', 204, int)
 565
 566#define BNEPCONNADD     _IOW('B', 200, int)
 567#define BNEPCONNDEL     _IOW('B', 201, int)
 568#define BNEPGETCONNLIST _IOR('B', 210, int)
 569#define BNEPGETCONNINFO _IOR('B', 211, int)
 570
 571#define CMTPCONNADD     _IOW('C', 200, int)
 572#define CMTPCONNDEL     _IOW('C', 201, int)
 573#define CMTPGETCONNLIST _IOR('C', 210, int)
 574#define CMTPGETCONNINFO _IOR('C', 211, int)
 575
 576#define HIDPCONNADD     _IOW('H', 200, int)
 577#define HIDPCONNDEL     _IOW('H', 201, int)
 578#define HIDPGETCONNLIST _IOR('H', 210, int)
 579#define HIDPGETCONNINFO _IOR('H', 211, int)
 580
 581
 582struct serial_struct32 {
 583        compat_int_t    type;
 584        compat_int_t    line;
 585        compat_uint_t   port;
 586        compat_int_t    irq;
 587        compat_int_t    flags;
 588        compat_int_t    xmit_fifo_size;
 589        compat_int_t    custom_divisor;
 590        compat_int_t    baud_base;
 591        unsigned short  close_delay;
 592        char    io_type;
 593        char    reserved_char[1];
 594        compat_int_t    hub6;
 595        unsigned short  closing_wait; /* time to wait before closing */
 596        unsigned short  closing_wait2; /* no longer used... */
 597        compat_uint_t   iomem_base;
 598        unsigned short  iomem_reg_shift;
 599        unsigned int    port_high;
 600     /* compat_ulong_t  iomap_base FIXME */
 601        compat_int_t    reserved[1];
 602};
 603
 604static int serial_struct_ioctl(unsigned fd, unsigned cmd,
 605                        struct serial_struct32 __user *ss32)
 606{
 607        typedef struct serial_struct SS;
 608        typedef struct serial_struct32 SS32;
 609        int err;
 610        struct serial_struct ss;
 611        mm_segment_t oldseg = get_fs();
 612        __u32 udata;
 613        unsigned int base;
 614
 615        if (cmd == TIOCSSERIAL) {
 616                if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
 617                        return -EFAULT;
 618                if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
 619                        return -EFAULT;
 620                if (__get_user(udata, &ss32->iomem_base))
 621                        return -EFAULT;
 622                ss.iomem_base = compat_ptr(udata);
 623                if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
 624                    __get_user(ss.port_high, &ss32->port_high))
 625                        return -EFAULT;
 626                ss.iomap_base = 0UL;
 627        }
 628        set_fs(KERNEL_DS);
 629                err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
 630        set_fs(oldseg);
 631        if (cmd == TIOCGSERIAL && err >= 0) {
 632                if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
 633                        return -EFAULT;
 634                if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
 635                        return -EFAULT;
 636                base = (unsigned long)ss.iomem_base  >> 32 ?
 637                        0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
 638                if (__put_user(base, &ss32->iomem_base) ||
 639                    __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
 640                    __put_user(ss.port_high, &ss32->port_high))
 641                        return -EFAULT;
 642        }
 643        return err;
 644}
 645
 646/*
 647 * I2C layer ioctls
 648 */
 649
 650struct i2c_msg32 {
 651        u16 addr;
 652        u16 flags;
 653        u16 len;
 654        compat_caddr_t buf;
 655};
 656
 657struct i2c_rdwr_ioctl_data32 {
 658        compat_caddr_t msgs; /* struct i2c_msg __user *msgs */
 659        u32 nmsgs;
 660};
 661
 662struct i2c_smbus_ioctl_data32 {
 663        u8 read_write;
 664        u8 command;
 665        u32 size;
 666        compat_caddr_t data; /* union i2c_smbus_data *data */
 667};
 668
 669struct i2c_rdwr_aligned {
 670        struct i2c_rdwr_ioctl_data cmd;
 671        struct i2c_msg msgs[0];
 672};
 673
 674static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
 675                        struct i2c_rdwr_ioctl_data32    __user *udata)
 676{
 677        struct i2c_rdwr_aligned         __user *tdata;
 678        struct i2c_msg                  __user *tmsgs;
 679        struct i2c_msg32                __user *umsgs;
 680        compat_caddr_t                  datap;
 681        int                             nmsgs, i;
 682
 683        if (get_user(nmsgs, &udata->nmsgs))
 684                return -EFAULT;
 685        if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
 686                return -EINVAL;
 687
 688        if (get_user(datap, &udata->msgs))
 689                return -EFAULT;
 690        umsgs = compat_ptr(datap);
 691
 692        tdata = compat_alloc_user_space(sizeof(*tdata) +
 693                                      nmsgs * sizeof(struct i2c_msg));
 694        tmsgs = &tdata->msgs[0];
 695
 696        if (put_user(nmsgs, &tdata->cmd.nmsgs) ||
 697            put_user(tmsgs, &tdata->cmd.msgs))
 698                return -EFAULT;
 699
 700        for (i = 0; i < nmsgs; i++) {
 701                if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
 702                        return -EFAULT;
 703                if (get_user(datap, &umsgs[i].buf) ||
 704                    put_user(compat_ptr(datap), &tmsgs[i].buf))
 705                        return -EFAULT;
 706        }
 707        return sys_ioctl(fd, cmd, (unsigned long)tdata);
 708}
 709
 710static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
 711                        struct i2c_smbus_ioctl_data32   __user *udata)
 712{
 713        struct i2c_smbus_ioctl_data     __user *tdata;
 714        compat_caddr_t                  datap;
 715
 716        tdata = compat_alloc_user_space(sizeof(*tdata));
 717        if (tdata == NULL)
 718                return -ENOMEM;
 719        if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata)))
 720                return -EFAULT;
 721
 722        if (!access_ok(VERIFY_READ, udata, sizeof(*udata)))
 723                return -EFAULT;
 724
 725        if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
 726                return -EFAULT;
 727        if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))
 728                return -EFAULT;
 729        if (__get_user(datap, &udata->data) ||
 730            __put_user(compat_ptr(datap), &tdata->data))
 731                return -EFAULT;
 732
 733        return sys_ioctl(fd, cmd, (unsigned long)tdata);
 734}
 735
 736#define RTC_IRQP_READ32         _IOR('p', 0x0b, compat_ulong_t)
 737#define RTC_IRQP_SET32          _IOW('p', 0x0c, compat_ulong_t)
 738#define RTC_EPOCH_READ32        _IOR('p', 0x0d, compat_ulong_t)
 739#define RTC_EPOCH_SET32         _IOW('p', 0x0e, compat_ulong_t)
 740
 741static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
 742{
 743        mm_segment_t oldfs = get_fs();
 744        compat_ulong_t val32;
 745        unsigned long kval;
 746        int ret;
 747
 748        switch (cmd) {
 749        case RTC_IRQP_READ32:
 750        case RTC_EPOCH_READ32:
 751                set_fs(KERNEL_DS);
 752                ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
 753                                        RTC_IRQP_READ : RTC_EPOCH_READ,
 754                                        (unsigned long)&kval);
 755                set_fs(oldfs);
 756                if (ret)
 757                        return ret;
 758                val32 = kval;
 759                return put_user(val32, (unsigned int __user *)argp);
 760        case RTC_IRQP_SET32:
 761                return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
 762        case RTC_EPOCH_SET32:
 763                return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
 764        }
 765
 766        return -ENOIOCTLCMD;
 767}
 768
 769/* on ia32 l_start is on a 32-bit boundary */
 770#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
 771struct space_resv_32 {
 772        __s16           l_type;
 773        __s16           l_whence;
 774        __s64           l_start __attribute__((packed));
 775                        /* len == 0 means until end of file */
 776        __s64           l_len __attribute__((packed));
 777        __s32           l_sysid;
 778        __u32           l_pid;
 779        __s32           l_pad[4];       /* reserve area */
 780};
 781
 782#define FS_IOC_RESVSP_32                _IOW ('X', 40, struct space_resv_32)
 783#define FS_IOC_RESVSP64_32      _IOW ('X', 42, struct space_resv_32)
 784
 785/* just account for different alignment */
 786static int compat_ioctl_preallocate(struct file *file,
 787                        struct space_resv_32    __user *p32)
 788{
 789        struct space_resv       __user *p = compat_alloc_user_space(sizeof(*p));
 790
 791        if (copy_in_user(&p->l_type,    &p32->l_type,   sizeof(s16)) ||
 792            copy_in_user(&p->l_whence,  &p32->l_whence, sizeof(s16)) ||
 793            copy_in_user(&p->l_start,   &p32->l_start,  sizeof(s64)) ||
 794            copy_in_user(&p->l_len,     &p32->l_len,    sizeof(s64)) ||
 795            copy_in_user(&p->l_sysid,   &p32->l_sysid,  sizeof(s32)) ||
 796            copy_in_user(&p->l_pid,     &p32->l_pid,    sizeof(u32)) ||
 797            copy_in_user(&p->l_pad,     &p32->l_pad,    4*sizeof(u32)))
 798                return -EFAULT;
 799
 800        return ioctl_preallocate(file, p);
 801}
 802#endif
 803
 804/*
 805 * simple reversible transform to make our table more evenly
 806 * distributed after sorting.
 807 */
 808#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
 809
 810#define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
 811/* ioctl should not be warned about even if it's not implemented.
 812   Valid reasons to use this:
 813   - It is implemented with ->compat_ioctl on some device, but programs
 814   call it on others too.
 815   - The ioctl is not implemented in the native kernel, but programs
 816   call it commonly anyways.
 817   Most other reasons are not valid. */
 818#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
 819
 820static unsigned int ioctl_pointer[] = {
 821/* compatible ioctls first */
 822COMPATIBLE_IOCTL(0x4B50)   /* KDGHWCLK - not in the kernel, but don't complain */
 823COMPATIBLE_IOCTL(0x4B51)   /* KDSHWCLK - not in the kernel, but don't complain */
 824
 825/* Big T */
 826COMPATIBLE_IOCTL(TCGETA)
 827COMPATIBLE_IOCTL(TCSETA)
 828COMPATIBLE_IOCTL(TCSETAW)
 829COMPATIBLE_IOCTL(TCSETAF)
 830COMPATIBLE_IOCTL(TCSBRK)
 831COMPATIBLE_IOCTL(TCXONC)
 832COMPATIBLE_IOCTL(TCFLSH)
 833COMPATIBLE_IOCTL(TCGETS)
 834COMPATIBLE_IOCTL(TCSETS)
 835COMPATIBLE_IOCTL(TCSETSW)
 836COMPATIBLE_IOCTL(TCSETSF)
 837COMPATIBLE_IOCTL(TIOCLINUX)
 838COMPATIBLE_IOCTL(TIOCSBRK)
 839COMPATIBLE_IOCTL(TIOCGDEV)
 840COMPATIBLE_IOCTL(TIOCCBRK)
 841COMPATIBLE_IOCTL(TIOCGSID)
 842COMPATIBLE_IOCTL(TIOCGICOUNT)
 843/* Little t */
 844COMPATIBLE_IOCTL(TIOCGETD)
 845COMPATIBLE_IOCTL(TIOCSETD)
 846COMPATIBLE_IOCTL(TIOCEXCL)
 847COMPATIBLE_IOCTL(TIOCNXCL)
 848COMPATIBLE_IOCTL(TIOCCONS)
 849COMPATIBLE_IOCTL(TIOCGSOFTCAR)
 850COMPATIBLE_IOCTL(TIOCSSOFTCAR)
 851COMPATIBLE_IOCTL(TIOCSWINSZ)
 852COMPATIBLE_IOCTL(TIOCGWINSZ)
 853COMPATIBLE_IOCTL(TIOCMGET)
 854COMPATIBLE_IOCTL(TIOCMBIC)
 855COMPATIBLE_IOCTL(TIOCMBIS)
 856COMPATIBLE_IOCTL(TIOCMSET)
 857COMPATIBLE_IOCTL(TIOCPKT)
 858COMPATIBLE_IOCTL(TIOCNOTTY)
 859COMPATIBLE_IOCTL(TIOCSTI)
 860COMPATIBLE_IOCTL(TIOCOUTQ)
 861COMPATIBLE_IOCTL(TIOCSPGRP)
 862COMPATIBLE_IOCTL(TIOCGPGRP)
 863COMPATIBLE_IOCTL(TIOCGPTN)
 864COMPATIBLE_IOCTL(TIOCSPTLCK)
 865COMPATIBLE_IOCTL(TIOCSERGETLSR)
 866COMPATIBLE_IOCTL(TIOCSIG)
 867#ifdef TCGETS2
 868COMPATIBLE_IOCTL(TCGETS2)
 869COMPATIBLE_IOCTL(TCSETS2)
 870COMPATIBLE_IOCTL(TCSETSW2)
 871COMPATIBLE_IOCTL(TCSETSF2)
 872#endif
 873/* Little f */
 874COMPATIBLE_IOCTL(FIOCLEX)
 875COMPATIBLE_IOCTL(FIONCLEX)
 876COMPATIBLE_IOCTL(FIOASYNC)
 877COMPATIBLE_IOCTL(FIONBIO)
 878COMPATIBLE_IOCTL(FIONREAD)  /* This is also TIOCINQ */
 879COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
 880/* 0x00 */
 881COMPATIBLE_IOCTL(FIBMAP)
 882COMPATIBLE_IOCTL(FIGETBSZ)
 883/* 'X' - originally XFS but some now in the VFS */
 884COMPATIBLE_IOCTL(FIFREEZE)
 885COMPATIBLE_IOCTL(FITHAW)
 886COMPATIBLE_IOCTL(KDGETKEYCODE)
 887COMPATIBLE_IOCTL(KDSETKEYCODE)
 888COMPATIBLE_IOCTL(KDGKBTYPE)
 889COMPATIBLE_IOCTL(KDGETMODE)
 890COMPATIBLE_IOCTL(KDGKBMODE)
 891COMPATIBLE_IOCTL(KDGKBMETA)
 892COMPATIBLE_IOCTL(KDGKBENT)
 893COMPATIBLE_IOCTL(KDSKBENT)
 894COMPATIBLE_IOCTL(KDGKBSENT)
 895COMPATIBLE_IOCTL(KDSKBSENT)
 896COMPATIBLE_IOCTL(KDGKBDIACR)
 897COMPATIBLE_IOCTL(KDSKBDIACR)
 898COMPATIBLE_IOCTL(KDKBDREP)
 899COMPATIBLE_IOCTL(KDGKBLED)
 900COMPATIBLE_IOCTL(KDGETLED)
 901#ifdef CONFIG_BLOCK
 902/* Big S */
 903COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
 904COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
 905COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
 906COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
 907COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
 908COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
 909COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
 910COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
 911#endif
 912/* Big V (don't complain on serial console) */
 913IGNORE_IOCTL(VT_OPENQRY)
 914IGNORE_IOCTL(VT_GETMODE)
 915/* Little p (/dev/rtc, /dev/envctrl, etc.) */
 916COMPATIBLE_IOCTL(RTC_AIE_ON)
 917COMPATIBLE_IOCTL(RTC_AIE_OFF)
 918COMPATIBLE_IOCTL(RTC_UIE_ON)
 919COMPATIBLE_IOCTL(RTC_UIE_OFF)
 920COMPATIBLE_IOCTL(RTC_PIE_ON)
 921COMPATIBLE_IOCTL(RTC_PIE_OFF)
 922COMPATIBLE_IOCTL(RTC_WIE_ON)
 923COMPATIBLE_IOCTL(RTC_WIE_OFF)
 924COMPATIBLE_IOCTL(RTC_ALM_SET)
 925COMPATIBLE_IOCTL(RTC_ALM_READ)
 926COMPATIBLE_IOCTL(RTC_RD_TIME)
 927COMPATIBLE_IOCTL(RTC_SET_TIME)
 928COMPATIBLE_IOCTL(RTC_WKALM_SET)
 929COMPATIBLE_IOCTL(RTC_WKALM_RD)
 930/*
 931 * These two are only for the sbus rtc driver, but
 932 * hwclock tries them on every rtc device first when
 933 * running on sparc.  On other architectures the entries
 934 * are useless but harmless.
 935 */
 936COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
 937COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
 938/* Little m */
 939COMPATIBLE_IOCTL(MTIOCTOP)
 940/* Socket level stuff */
 941COMPATIBLE_IOCTL(FIOQSIZE)
 942#ifdef CONFIG_BLOCK
 943/* loop */
 944IGNORE_IOCTL(LOOP_CLR_FD)
 945/* md calls this on random blockdevs */
 946IGNORE_IOCTL(RAID_VERSION)
 947/* SG stuff */
 948COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
 949COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
 950COMPATIBLE_IOCTL(SG_EMULATED_HOST)
 951COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
 952COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
 953COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
 954COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
 955COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
 956COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
 957COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
 958COMPATIBLE_IOCTL(SG_GET_PACK_ID)
 959COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
 960COMPATIBLE_IOCTL(SG_SET_DEBUG)
 961COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
 962COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
 963COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
 964COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
 965COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
 966COMPATIBLE_IOCTL(SG_SCSI_RESET)
 967COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
 968COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
 969COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
 970#endif
 971/* PPP stuff */
 972COMPATIBLE_IOCTL(PPPIOCGFLAGS)
 973COMPATIBLE_IOCTL(PPPIOCSFLAGS)
 974COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
 975COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
 976COMPATIBLE_IOCTL(PPPIOCGUNIT)
 977COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
 978COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
 979COMPATIBLE_IOCTL(PPPIOCGMRU)
 980COMPATIBLE_IOCTL(PPPIOCSMRU)
 981COMPATIBLE_IOCTL(PPPIOCSMAXCID)
 982COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
 983COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
 984COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
 985/* PPPIOCSCOMPRESS is translated */
 986COMPATIBLE_IOCTL(PPPIOCGNPMODE)
 987COMPATIBLE_IOCTL(PPPIOCSNPMODE)
 988COMPATIBLE_IOCTL(PPPIOCGDEBUG)
 989COMPATIBLE_IOCTL(PPPIOCSDEBUG)
 990/* PPPIOCSPASS is translated */
 991/* PPPIOCSACTIVE is translated */
 992/* PPPIOCGIDLE is translated */
 993COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
 994COMPATIBLE_IOCTL(PPPIOCATTACH)
 995COMPATIBLE_IOCTL(PPPIOCDETACH)
 996COMPATIBLE_IOCTL(PPPIOCSMRRU)
 997COMPATIBLE_IOCTL(PPPIOCCONNECT)
 998COMPATIBLE_IOCTL(PPPIOCDISCONN)
 999COMPATIBLE_IOCTL(PPPIOCATTCHAN)
1000COMPATIBLE_IOCTL(PPPIOCGCHAN)
1001/* PPPOX */
1002COMPATIBLE_IOCTL(PPPOEIOCSFWD)
1003COMPATIBLE_IOCTL(PPPOEIOCDFWD)
1004/* ppdev */
1005COMPATIBLE_IOCTL(PPSETMODE)
1006COMPATIBLE_IOCTL(PPRSTATUS)
1007COMPATIBLE_IOCTL(PPRCONTROL)
1008COMPATIBLE_IOCTL(PPWCONTROL)
1009COMPATIBLE_IOCTL(PPFCONTROL)
1010COMPATIBLE_IOCTL(PPRDATA)
1011COMPATIBLE_IOCTL(PPWDATA)
1012COMPATIBLE_IOCTL(PPCLAIM)
1013COMPATIBLE_IOCTL(PPRELEASE)
1014COMPATIBLE_IOCTL(PPYIELD)
1015COMPATIBLE_IOCTL(PPEXCL)
1016COMPATIBLE_IOCTL(PPDATADIR)
1017COMPATIBLE_IOCTL(PPNEGOT)
1018COMPATIBLE_IOCTL(PPWCTLONIRQ)
1019COMPATIBLE_IOCTL(PPCLRIRQ)
1020COMPATIBLE_IOCTL(PPSETPHASE)
1021COMPATIBLE_IOCTL(PPGETMODES)
1022COMPATIBLE_IOCTL(PPGETMODE)
1023COMPATIBLE_IOCTL(PPGETPHASE)
1024COMPATIBLE_IOCTL(PPGETFLAGS)
1025COMPATIBLE_IOCTL(PPSETFLAGS)
1026/* Big A */
1027/* sparc only */
1028/* Big Q for sound/OSS */
1029COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
1030COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
1031COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
1032COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
1033COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
1034COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
1035COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
1036COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
1037COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
1038COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
1039COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
1040COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
1041COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
1042COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
1043COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
1044COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
1045COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
1046COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
1047COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
1048COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
1049COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
1050COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
1051/* Big T for sound/OSS */
1052COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
1053COMPATIBLE_IOCTL(SNDCTL_TMR_START)
1054COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
1055COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
1056COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
1057COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
1058COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
1059COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
1060/* Little m for sound/OSS */
1061COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
1062COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
1063COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
1064/* Big P for sound/OSS */
1065COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
1066COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
1067COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
1068COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
1069COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
1070COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
1071COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
1072COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
1073COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
1074COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
1075COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
1076COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
1077COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
1078COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
1079COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
1080COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
1081COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
1082COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
1083COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
1084COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
1085/* SNDCTL_DSP_MAPINBUF,  XXX needs translation */
1086/* SNDCTL_DSP_MAPOUTBUF,  XXX needs translation */
1087COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
1088COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
1089COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
1090COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
1091COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
1092COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
1093COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
1094COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
1095/* Big C for sound/OSS */
1096COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
1097COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1098COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1099COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1100COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1101COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1102COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1103COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1104COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1105COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1106/* Big M for sound/OSS */
1107COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1108COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1109COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1110COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1111COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1112COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1113COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1114COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1115COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1116COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1117COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1118COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1119COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1120COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1121COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1122COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1123COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1124COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1125COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1126COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1127COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1128COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1129COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1130COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1131COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1132COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1133/* SOUND_MIXER_READ_ENHANCE,  same value as READ_MUTE */
1134/* SOUND_MIXER_READ_LOUD,  same value as READ_MUTE */
1135COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1136COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1137COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1138COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1139COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1140COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1141COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1142COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1143COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1144COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1145COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1146COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1147COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1148COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1149COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1150COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1151COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1152COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1153COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1154COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1155COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1156COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1157COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1158COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1159COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1160COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1161COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1162COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1163COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1164COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1165COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1166/* SOUND_MIXER_WRITE_ENHANCE,  same value as WRITE_MUTE */
1167/* SOUND_MIXER_WRITE_LOUD,  same value as WRITE_MUTE */
1168COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1169COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1170COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1171COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1172COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1173COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1174COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1175COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1176COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1177COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1178COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1179COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1180COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1181COMPATIBLE_IOCTL(OSS_GETVERSION)
1182/* Raw devices */
1183COMPATIBLE_IOCTL(RAW_SETBIND)
1184COMPATIBLE_IOCTL(RAW_GETBIND)
1185/* Watchdog */
1186COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1187COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1188COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1189COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1190COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1191COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1192COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1193COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1194/* Big R */
1195COMPATIBLE_IOCTL(RNDGETENTCNT)
1196COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1197COMPATIBLE_IOCTL(RNDGETPOOL)
1198COMPATIBLE_IOCTL(RNDADDENTROPY)
1199COMPATIBLE_IOCTL(RNDZAPENTCNT)
1200COMPATIBLE_IOCTL(RNDCLEARPOOL)
1201/* Bluetooth */
1202COMPATIBLE_IOCTL(HCIDEVUP)
1203COMPATIBLE_IOCTL(HCIDEVDOWN)
1204COMPATIBLE_IOCTL(HCIDEVRESET)
1205COMPATIBLE_IOCTL(HCIDEVRESTAT)
1206COMPATIBLE_IOCTL(HCIGETDEVLIST)
1207COMPATIBLE_IOCTL(HCIGETDEVINFO)
1208COMPATIBLE_IOCTL(HCIGETCONNLIST)
1209COMPATIBLE_IOCTL(HCIGETCONNINFO)
1210COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1211COMPATIBLE_IOCTL(HCISETRAW)
1212COMPATIBLE_IOCTL(HCISETSCAN)
1213COMPATIBLE_IOCTL(HCISETAUTH)
1214COMPATIBLE_IOCTL(HCISETENCRYPT)
1215COMPATIBLE_IOCTL(HCISETPTYPE)
1216COMPATIBLE_IOCTL(HCISETLINKPOL)
1217COMPATIBLE_IOCTL(HCISETLINKMODE)
1218COMPATIBLE_IOCTL(HCISETACLMTU)
1219COMPATIBLE_IOCTL(HCISETSCOMTU)
1220COMPATIBLE_IOCTL(HCIBLOCKADDR)
1221COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1222COMPATIBLE_IOCTL(HCIINQUIRY)
1223COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1224COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1225COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1226COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1227COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1228COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1229COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1230COMPATIBLE_IOCTL(BNEPCONNADD)
1231COMPATIBLE_IOCTL(BNEPCONNDEL)
1232COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1233COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1234COMPATIBLE_IOCTL(CMTPCONNADD)
1235COMPATIBLE_IOCTL(CMTPCONNDEL)
1236COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1237COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1238COMPATIBLE_IOCTL(HIDPCONNADD)
1239COMPATIBLE_IOCTL(HIDPCONNDEL)
1240COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1241COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1242/* CAPI */
1243COMPATIBLE_IOCTL(CAPI_REGISTER)
1244COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1245COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1246COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1247COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1248COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1249COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1250COMPATIBLE_IOCTL(CAPI_INSTALLED)
1251COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1252COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1253COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1254COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1255COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1256/* Siemens Gigaset */
1257COMPATIBLE_IOCTL(GIGASET_REDIR)
1258COMPATIBLE_IOCTL(GIGASET_CONFIG)
1259COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1260COMPATIBLE_IOCTL(GIGASET_VERSION)
1261/* Misc. */
1262COMPATIBLE_IOCTL(0x41545900)            /* ATYIO_CLKR */
1263COMPATIBLE_IOCTL(0x41545901)            /* ATYIO_CLKW */
1264COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1265COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1266COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1267COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1268/* NBD */
1269COMPATIBLE_IOCTL(NBD_DO_IT)
1270COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
1271COMPATIBLE_IOCTL(NBD_CLEAR_QUE)
1272COMPATIBLE_IOCTL(NBD_PRINT_DEBUG)
1273COMPATIBLE_IOCTL(NBD_DISCONNECT)
1274/* i2c */
1275COMPATIBLE_IOCTL(I2C_SLAVE)
1276COMPATIBLE_IOCTL(I2C_SLAVE_FORCE)
1277COMPATIBLE_IOCTL(I2C_TENBIT)
1278COMPATIBLE_IOCTL(I2C_PEC)
1279COMPATIBLE_IOCTL(I2C_RETRIES)
1280COMPATIBLE_IOCTL(I2C_TIMEOUT)
1281/* hiddev */
1282COMPATIBLE_IOCTL(HIDIOCGVERSION)
1283COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1284COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1285COMPATIBLE_IOCTL(HIDIOCGSTRING)
1286COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1287COMPATIBLE_IOCTL(HIDIOCGREPORT)
1288COMPATIBLE_IOCTL(HIDIOCSREPORT)
1289COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1290COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1291COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1292COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1293COMPATIBLE_IOCTL(HIDIOCGUCODE)
1294COMPATIBLE_IOCTL(HIDIOCGFLAG)
1295COMPATIBLE_IOCTL(HIDIOCSFLAG)
1296COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1297COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1298/* dvb */
1299COMPATIBLE_IOCTL(AUDIO_STOP)
1300COMPATIBLE_IOCTL(AUDIO_PLAY)
1301COMPATIBLE_IOCTL(AUDIO_PAUSE)
1302COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1303COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1304COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1305COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1306COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1307COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1308COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1309COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1310COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1311COMPATIBLE_IOCTL(AUDIO_SET_ID)
1312COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1313COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1314COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1315COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1316COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1317COMPATIBLE_IOCTL(DMX_START)
1318COMPATIBLE_IOCTL(DMX_STOP)
1319COMPATIBLE_IOCTL(DMX_SET_FILTER)
1320COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1321COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1322COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1323COMPATIBLE_IOCTL(DMX_GET_CAPS)
1324COMPATIBLE_IOCTL(DMX_SET_SOURCE)
1325COMPATIBLE_IOCTL(DMX_GET_STC)
1326COMPATIBLE_IOCTL(FE_GET_INFO)
1327COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
1328COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
1329COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
1330COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
1331COMPATIBLE_IOCTL(FE_SET_TONE)
1332COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
1333COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
1334COMPATIBLE_IOCTL(FE_READ_STATUS)
1335COMPATIBLE_IOCTL(FE_READ_BER)
1336COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
1337COMPATIBLE_IOCTL(FE_READ_SNR)
1338COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
1339COMPATIBLE_IOCTL(FE_SET_FRONTEND)
1340COMPATIBLE_IOCTL(FE_GET_FRONTEND)
1341COMPATIBLE_IOCTL(FE_GET_EVENT)
1342COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
1343COMPATIBLE_IOCTL(VIDEO_STOP)
1344COMPATIBLE_IOCTL(VIDEO_PLAY)
1345COMPATIBLE_IOCTL(VIDEO_FREEZE)
1346COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1347COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1348COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1349COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1350COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1351COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1352COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1353COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1354COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1355COMPATIBLE_IOCTL(VIDEO_SET_ID)
1356COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1357COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1358COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1359COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1360COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1361COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1362COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1363COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1364COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1365
1366/* joystick */
1367COMPATIBLE_IOCTL(JSIOCGVERSION)
1368COMPATIBLE_IOCTL(JSIOCGAXES)
1369COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1370COMPATIBLE_IOCTL(JSIOCGNAME(0))
1371
1372#ifdef TIOCGLTC
1373COMPATIBLE_IOCTL(TIOCGLTC)
1374COMPATIBLE_IOCTL(TIOCSLTC)
1375#endif
1376#ifdef TIOCSTART
1377/*
1378 * For these two we have definitions in ioctls.h and/or termios.h on
1379 * some architectures but no actual implemention.  Some applications
1380 * like bash call them if they are defined in the headers, so we provide
1381 * entries here to avoid syslog message spew.
1382 */
1383COMPATIBLE_IOCTL(TIOCSTART)
1384COMPATIBLE_IOCTL(TIOCSTOP)
1385#endif
1386
1387/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1388   but we don't want warnings on other file systems. So declare
1389   them as compatible here. */
1390#define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
1391#define VFAT_IOCTL_READDIR_SHORT32      _IOR('r', 2, struct compat_dirent[2])
1392
1393IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1394IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1395
1396#ifdef CONFIG_SPARC
1397/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1398IGNORE_IOCTL(FBIOGTYPE)
1399IGNORE_IOCTL(FBIOSATTR)
1400IGNORE_IOCTL(FBIOGATTR)
1401IGNORE_IOCTL(FBIOSVIDEO)
1402IGNORE_IOCTL(FBIOGVIDEO)
1403IGNORE_IOCTL(FBIOSCURPOS)
1404IGNORE_IOCTL(FBIOGCURPOS)
1405IGNORE_IOCTL(FBIOGCURMAX)
1406IGNORE_IOCTL(FBIOPUTCMAP32)
1407IGNORE_IOCTL(FBIOGETCMAP32)
1408IGNORE_IOCTL(FBIOSCURSOR32)
1409IGNORE_IOCTL(FBIOGCURSOR32)
1410#endif
1411};
1412
1413/*
1414 * Convert common ioctl arguments based on their command number
1415 *
1416 * Please do not add any code in here. Instead, implement
1417 * a compat_ioctl operation in the place that handle\xD1\x95 the
1418 * ioctl for the native case.
1419 */
1420static long do_ioctl_trans(int fd, unsigned int cmd,
1421                 unsigned long arg, struct file *file)
1422{
1423        void __user *argp = compat_ptr(arg);
1424
1425        switch (cmd) {
1426        case PPPIOCGIDLE32:
1427                return ppp_gidle(fd, cmd, argp);
1428        case PPPIOCSCOMPRESS32:
1429                return ppp_scompress(fd, cmd, argp);
1430        case PPPIOCSPASS32:
1431        case PPPIOCSACTIVE32:
1432                return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
1433#ifdef CONFIG_BLOCK
1434        case SG_IO:
1435                return sg_ioctl_trans(fd, cmd, argp);
1436        case SG_GET_REQUEST_TABLE:
1437                return sg_grt_trans(fd, cmd, argp);
1438        case MTIOCGET32:
1439        case MTIOCPOS32:
1440                return mt_ioctl_trans(fd, cmd, argp);
1441#endif
1442        /* Serial */
1443        case TIOCGSERIAL:
1444        case TIOCSSERIAL:
1445                return serial_struct_ioctl(fd, cmd, argp);
1446        /* i2c */
1447        case I2C_FUNCS:
1448                return w_long(fd, cmd, argp);
1449        case I2C_RDWR:
1450                return do_i2c_rdwr_ioctl(fd, cmd, argp);
1451        case I2C_SMBUS:
1452                return do_i2c_smbus_ioctl(fd, cmd, argp);
1453        /* Not implemented in the native kernel */
1454        case RTC_IRQP_READ32:
1455        case RTC_IRQP_SET32:
1456        case RTC_EPOCH_READ32:
1457        case RTC_EPOCH_SET32:
1458                return rtc_ioctl(fd, cmd, argp);
1459
1460        /* dvb */
1461        case VIDEO_GET_EVENT:
1462                return do_video_get_event(fd, cmd, argp);
1463        case VIDEO_STILLPICTURE:
1464                return do_video_stillpicture(fd, cmd, argp);
1465        case VIDEO_SET_SPU_PALETTE:
1466                return do_video_set_spu_palette(fd, cmd, argp);
1467        }
1468
1469        /*
1470         * These take an integer instead of a pointer as 'arg',
1471         * so we must not do a compat_ptr() translation.
1472         */
1473        switch (cmd) {
1474        /* Big T */
1475        case TCSBRKP:
1476        case TIOCMIWAIT:
1477        case TIOCSCTTY:
1478        /* RAID */
1479        case HOT_REMOVE_DISK:
1480        case HOT_ADD_DISK:
1481        case SET_DISK_FAULTY:
1482        case SET_BITMAP_FILE:
1483        /* Big K */
1484        case KDSIGACCEPT:
1485        case KIOCSOUND:
1486        case KDMKTONE:
1487        case KDSETMODE:
1488        case KDSKBMODE:
1489        case KDSKBMETA:
1490        case KDSKBLED:
1491        case KDSETLED:
1492        /* NBD */
1493        case NBD_SET_SOCK:
1494        case NBD_SET_BLKSIZE:
1495        case NBD_SET_SIZE:
1496        case NBD_SET_SIZE_BLOCKS:
1497                return do_vfs_ioctl(file, fd, cmd, arg);
1498        }
1499
1500        return -ENOIOCTLCMD;
1501}
1502
1503static void compat_ioctl_error(struct file *filp, unsigned int fd,
1504                unsigned int cmd, unsigned long arg)
1505{
1506        char buf[10];
1507        char *fn = "?";
1508        char *path;
1509
1510        /* find the name of the device. */
1511        path = (char *)__get_free_page(GFP_KERNEL);
1512        if (path) {
1513                fn = d_path(&filp->f_path, path, PAGE_SIZE);
1514                if (IS_ERR(fn))
1515                        fn = "?";
1516        }
1517
1518         sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);
1519        if (!isprint(buf[1]))
1520                sprintf(buf, "%02x", buf[1]);
1521        compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
1522                        "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n",
1523                        current->comm, current->pid,
1524                        (int)fd, (unsigned int)cmd, buf,
1525                        (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,
1526                        (unsigned int)arg, fn);
1527
1528        if (path)
1529                free_page((unsigned long)path);
1530}
1531
1532static int compat_ioctl_check_table(unsigned int xcmd)
1533{
1534        int i;
1535        const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1536
1537        BUILD_BUG_ON(max >= (1 << 16));
1538
1539        /* guess initial offset into table, assuming a
1540           normalized distribution */
1541        i = ((xcmd >> 16) * max) >> 16;
1542
1543        /* do linear search up first, until greater or equal */
1544        while (ioctl_pointer[i] < xcmd && i < max)
1545                i++;
1546
1547        /* then do linear search down */
1548        while (ioctl_pointer[i] > xcmd && i > 0)
1549                i--;
1550
1551        return ioctl_pointer[i] == xcmd;
1552}
1553
1554asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
1555                                unsigned long arg)
1556{
1557        struct file *filp;
1558        int error = -EBADF;
1559        int fput_needed;
1560
1561        filp = fget_light(fd, &fput_needed);
1562        if (!filp)
1563                goto out;
1564
1565        /* RED-PEN how should LSM module know it's handling 32bit? */
1566        error = security_file_ioctl(filp, cmd, arg);
1567        if (error)
1568                goto out_fput;
1569
1570        /*
1571         * To allow the compat_ioctl handlers to be self contained
1572         * we need to check the common ioctls here first.
1573         * Just handle them with the standard handlers below.
1574         */
1575        switch (cmd) {
1576        case FIOCLEX:
1577        case FIONCLEX:
1578        case FIONBIO:
1579        case FIOASYNC:
1580        case FIOQSIZE:
1581                break;
1582
1583#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1584        case FS_IOC_RESVSP_32:
1585        case FS_IOC_RESVSP64_32:
1586                error = compat_ioctl_preallocate(filp, compat_ptr(arg));
1587                goto out_fput;
1588#else
1589        case FS_IOC_RESVSP:
1590        case FS_IOC_RESVSP64:
1591                error = ioctl_preallocate(filp, compat_ptr(arg));
1592                goto out_fput;
1593#endif
1594
1595        case FIBMAP:
1596        case FIGETBSZ:
1597        case FIONREAD:
1598                if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
1599                        break;
1600                /*FALL THROUGH*/
1601
1602        default:
1603                if (filp->f_op && filp->f_op->compat_ioctl) {
1604                        error = filp->f_op->compat_ioctl(filp, cmd, arg);
1605                        if (error != -ENOIOCTLCMD)
1606                                goto out_fput;
1607                }
1608
1609                if (!filp->f_op || !filp->f_op->unlocked_ioctl)
1610                        goto do_ioctl;
1611                break;
1612        }
1613
1614        if (compat_ioctl_check_table(XFORM(cmd)))
1615                goto found_handler;
1616
1617        error = do_ioctl_trans(fd, cmd, arg, filp);
1618        if (error == -ENOIOCTLCMD) {
1619                static int count;
1620
1621                if (++count <= 50)
1622                        compat_ioctl_error(filp, fd, cmd, arg);
1623                error = -EINVAL;
1624        }
1625
1626        goto out_fput;
1627
1628 found_handler:
1629        arg = (unsigned long)compat_ptr(arg);
1630 do_ioctl:
1631        error = do_vfs_ioctl(filp, fd, cmd, arg);
1632 out_fput:
1633        fput_light(filp, fput_needed);
1634 out:
1635        return error;
1636}
1637
1638static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1639{
1640        unsigned int a, b;
1641        a = *(unsigned int *)p;
1642        b = *(unsigned int *)q;
1643        if (a > b)
1644                return 1;
1645        if (a < b)
1646                return -1;
1647        return 0;
1648}
1649
1650static int __init init_sys32_ioctl(void)
1651{
1652        sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1653                init_sys32_ioctl_cmp, NULL);
1654        return 0;
1655}
1656__initcall(init_sys32_ioctl);
1657