fs/compat_ioctl.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
   4  *
   5  * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
   6  * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
   7  * Copyright (C) 2001,2002  Andi Kleen, SuSE Labs
   8  * Copyright (C) 2003       Pavel Machek (pavel@ucw.cz)
   9  *
  10  * These routines maintain argument size conversion between 32bit and 64bit
  11  * ioctls.
  12  */
  13
  14 #include <linux/joystick.h>
  15
  16 #include <linux/types.h>
  17 #include <linux/compat.h>
  18 #include <linux/kernel.h>
  19 #include <linux/capability.h>
  20 #include <linux/compiler.h>
  21 #include <linux/sched.h>
  22 #include <linux/smp.h>
  23 #include <linux/ioctl.h>
  24 #include <linux/if.h>
  25 #include <linux/raid/md_u.h>
  26 #include <linux/falloc.h>
  27 #include <linux/file.h>
  28 #include <linux/ppp-ioctl.h>
  29 #include <linux/if_pppox.h>
  30 #include <linux/mtio.h>
  31 #include <linux/tty.h>
  32 #include <linux/vt_kern.h>
  33 #include <linux/raw.h>
  34 #include <linux/blkdev.h>
  35 #include <linux/rtc.h>
  36 #include <linux/pci.h>
  37 #include <linux/serial.h>
  38 #include <linux/ctype.h>
  39 #include <linux/syscalls.h>
  40 #include <linux/gfp.h>
  41 #include <linux/cec.h>
  42
  43 #include "internal.h"
  44
  45 #include <net/bluetooth/bluetooth.h>
  46 #include <net/bluetooth/hci_sock.h>
  47 #include <net/bluetooth/rfcomm.h>
  48
  49 #include <linux/capi.h>
  50 #include <linux/gigaset_dev.h>
  51
  52 #ifdef CONFIG_BLOCK
  53 #include <linux/cdrom.h>
  54 #include <linux/fd.h>
  55 #include <scsi/scsi.h>
  56 #include <scsi/scsi_ioctl.h>
  57 #include <scsi/sg.h>
  58 #endif
  59
  60 #include <linux/uaccess.h>
  61 #include <linux/watchdog.h>
  62
  63 #include <linux/soundcard.h>
  64
  65 #include <linux/hiddev.h>
  66
  67
  68 #include <linux/sort.h>
  69
  70 #ifdef CONFIG_SPARC
  71 #include <linux/fb.h>
  72 #include <asm/fbio.h>
  73 #endif
  74
  75 #define convert_in_user(srcptr, dstptr)                 \
  76 ({                                                      \
  77         typeof(*srcptr) val;                            \
  78                                                         \
  79         get_user(val, srcptr) || put_user(val, dstptr); \
  80 })
  81
  82 static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
  83 {
  84         int err;
  85
  86         err = security_file_ioctl(file, cmd, arg);
  87         if (err)
  88                 return err;
  89
  90         return vfs_ioctl(file, cmd, arg);
  91 }
  92
  93 #ifdef CONFIG_BLOCK
  94 typedef struct sg_io_hdr32 {
  95         compat_int_t interface_id;      /* [i] 'S' for SCSI generic (required) */
  96         compat_int_t dxfer_direction;   /* [i] data transfer direction  */
  97         unsigned char cmd_len;          /* [i] SCSI command length ( <= 16 bytes) */
  98         unsigned char mx_sb_len;                /* [i] max length to write to sbp */
  99         unsigned short iovec_count;     /* [i] 0 implies no scatter gather */
 100         compat_uint_t dxfer_len;                /* [i] byte count of data transfer */
 101         compat_uint_t dxferp;           /* [i], [*io] points to data transfer memory
 102                                               or scatter gather list */
 103         compat_uptr_t cmdp;             /* [i], [*i] points to command to perform */
 104         compat_uptr_t sbp;              /* [i], [*o] points to sense_buffer memory */
 105         compat_uint_t timeout;          /* [i] MAX_UINT->no timeout (unit: millisec) */
 106         compat_uint_t flags;            /* [i] 0 -> default, see SG_FLAG... */
 107         compat_int_t pack_id;           /* [i->o] unused internally (normally) */
 108         compat_uptr_t usr_ptr;          /* [i->o] unused internally */
 109         unsigned char status;           /* [o] scsi status */
 110         unsigned char masked_status;    /* [o] shifted, masked scsi status */
 111         unsigned char msg_status;               /* [o] messaging level data (optional) */
 112         unsigned char sb_len_wr;                /* [o] byte count actually written to sbp */
 113         unsigned short host_status;     /* [o] errors from host adapter */
 114         unsigned short driver_status;   /* [o] errors from software driver */
 115         compat_int_t resid;             /* [o] dxfer_len - actual_transferred */
 116         compat_uint_t duration;         /* [o] time taken by cmd (unit: millisec) */
 117         compat_uint_t info;             /* [o] auxiliary information */
 118 } sg_io_hdr32_t;  /* 64 bytes long (on sparc32) */
 119
 120 typedef struct sg_iovec32 {
 121         compat_uint_t iov_base;
 122         compat_uint_t iov_len;
 123 } sg_iovec32_t;
 124
 125 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
 126 {
 127         sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
 128         sg_iovec32_t __user *iov32 = dxferp;
 129         int i;
 130
 131         for (i = 0; i < iovec_count; i++) {
 132                 u32 base, len;
 133
 134                 if (get_user(base, &iov32[i].iov_base) ||
 135                     get_user(len, &iov32[i].iov_len) ||
 136                     put_user(compat_ptr(base), &iov[i].iov_base) ||
 137                     put_user(len, &iov[i].iov_len))
 138                         return -EFAULT;
 139         }
 140
 141         if (put_user(iov, &sgio->dxferp))
 142                 return -EFAULT;
 143         return 0;
 144 }
 145
 146 static int sg_ioctl_trans(struct file *file, unsigned int cmd,
 147                         sg_io_hdr32_t __user *sgio32)
 148 {
 149         sg_io_hdr_t __user *sgio;
 150         u16 iovec_count;
 151         u32 data;
 152         void __user *dxferp;
 153         int err;
 154         int interface_id;
 155
 156         if (get_user(interface_id, &sgio32->interface_id))
 157                 return -EFAULT;
 158         if (interface_id != 'S')
 159                 return do_ioctl(file, cmd, (unsigned long)sgio32);
 160
 161         if (get_user(iovec_count, &sgio32->iovec_count))
 162                 return -EFAULT;
 163
 164         {
 165                 void __user *top = compat_alloc_user_space(0);
 166                 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
 167                                        (iovec_count * sizeof(sg_iovec_t)));
 168                 if (new > top)
 169                         return -EINVAL;
 170
 171                 sgio = new;
 172         }
 173
 174         /* Ok, now construct.  */
 175         if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
 176                          (2 * sizeof(int)) +
 177                          (2 * sizeof(unsigned char)) +
 178                          (1 * sizeof(unsigned short)) +
 179                          (1 * sizeof(unsigned int))))
 180                 return -EFAULT;
 181
 182         if (get_user(data, &sgio32->dxferp))
 183                 return -EFAULT;
 184         dxferp = compat_ptr(data);
 185         if (iovec_count) {
 186                 if (sg_build_iovec(sgio, dxferp, iovec_count))
 187                         return -EFAULT;
 188         } else {
 189                 if (put_user(dxferp, &sgio->dxferp))
 190                         return -EFAULT;
 191         }
 192
 193         {
 194                 unsigned char __user *cmdp;
 195                 unsigned char __user *sbp;
 196
 197                 if (get_user(data, &sgio32->cmdp))
 198                         return -EFAULT;
 199                 cmdp = compat_ptr(data);
 200
 201                 if (get_user(data, &sgio32->sbp))
 202                         return -EFAULT;
 203                 sbp = compat_ptr(data);
 204
 205                 if (put_user(cmdp, &sgio->cmdp) ||
 206                     put_user(sbp, &sgio->sbp))
 207                         return -EFAULT;
 208         }
 209
 210         if (copy_in_user(&sgio->timeout, &sgio32->timeout,
 211                          3 * sizeof(int)))
 212                 return -EFAULT;
 213
 214         if (get_user(data, &sgio32->usr_ptr))
 215                 return -EFAULT;
 216         if (put_user(compat_ptr(data), &sgio->usr_ptr))
 217                 return -EFAULT;
 218
 219         err = do_ioctl(file, cmd, (unsigned long) sgio);
 220
 221         if (err >= 0) {
 222                 void __user *datap;
 223
 224                 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
 225                                  sizeof(int)) ||
 226                     get_user(datap, &sgio->usr_ptr) ||
 227                     put_user((u32)(unsigned long)datap,
 228                              &sgio32->usr_ptr) ||
 229                     copy_in_user(&sgio32->status, &sgio->status,
 230                                  (4 * sizeof(unsigned char)) +
 231                                  (2 * sizeof(unsigned short)) +
 232                                  (3 * sizeof(int))))
 233                         err = -EFAULT;
 234         }
 235
 236         return err;
 237 }
 238
 239 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
 240         char req_state;
 241         char orphan;
 242         char sg_io_owned;
 243         char problem;
 244         int pack_id;
 245         compat_uptr_t usr_ptr;
 246         unsigned int duration;
 247         int unused;
 248 };
 249
 250 static int sg_grt_trans(struct file *file,
 251                 unsigned int cmd, struct compat_sg_req_info __user *o)
 252 {
 253         int err, i;
 254         sg_req_info_t __user *r;
 255         r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
 256         err = do_ioctl(file, cmd, (unsigned long)r);
 257         if (err < 0)
 258                 return err;
 259         for (i = 0; i < SG_MAX_QUEUE; i++) {
 260                 void __user *ptr;
 261                 int d;
 262
 263                 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
 264                     get_user(ptr, &r[i].usr_ptr) ||
 265                     get_user(d, &r[i].duration) ||
 266                     put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
 267                     put_user(d, &o[i].duration))
 268                         return -EFAULT;
 269         }
 270         return err;
 271 }
 272 #endif /* CONFIG_BLOCK */
 273
 274 struct sock_fprog32 {
 275         unsigned short  len;
 276         compat_caddr_t  filter;
 277 };
 278
 279 #define PPPIOCSPASS32   _IOW('t', 71, struct sock_fprog32)
 280 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
 281
 282 static int ppp_sock_fprog_ioctl_trans(struct file *file,
 283                 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
 284 {
 285         struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
 286         void __user *fptr64;
 287         u32 fptr32;
 288         u16 flen;
 289
 290         if (get_user(flen, &u_fprog32->len) ||
 291             get_user(fptr32, &u_fprog32->filter))
 292                 return -EFAULT;
 293
 294         fptr64 = compat_ptr(fptr32);
 295
 296         if (put_user(flen, &u_fprog64->len) ||
 297             put_user(fptr64, &u_fprog64->filter))
 298                 return -EFAULT;
 299
 300         if (cmd == PPPIOCSPASS32)
 301                 cmd = PPPIOCSPASS;
 302         else
 303                 cmd = PPPIOCSACTIVE;
 304
 305         return do_ioctl(file, cmd, (unsigned long) u_fprog64);
 306 }
 307
 308 struct ppp_option_data32 {
 309         compat_caddr_t  ptr;
 310         u32                     length;
 311         compat_int_t            transmit;
 312 };
 313 #define PPPIOCSCOMPRESS32       _IOW('t', 77, struct ppp_option_data32)
 314
 315 struct ppp_idle32 {
 316         compat_time_t xmit_idle;
 317         compat_time_t recv_idle;
 318 };
 319 #define PPPIOCGIDLE32           _IOR('t', 63, struct ppp_idle32)
 320
 321 static int ppp_gidle(struct file *file, unsigned int cmd,
 322                 struct ppp_idle32 __user *idle32)
 323 {
 324         struct ppp_idle __user *idle;
 325         __kernel_time_t xmit, recv;
 326         int err;
 327
 328         idle = compat_alloc_user_space(sizeof(*idle));
 329
 330         err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
 331
 332         if (!err) {
 333                 if (get_user(xmit, &idle->xmit_idle) ||
 334                     get_user(recv, &idle->recv_idle) ||
 335                     put_user(xmit, &idle32->xmit_idle) ||
 336                     put_user(recv, &idle32->recv_idle))
 337                         err = -EFAULT;
 338         }
 339         return err;
 340 }
 341
 342 static int ppp_scompress(struct file *file, unsigned int cmd,
 343         struct ppp_option_data32 __user *odata32)
 344 {
 345         struct ppp_option_data __user *odata;
 346         __u32 data;
 347         void __user *datap;
 348
 349         odata = compat_alloc_user_space(sizeof(*odata));
 350
 351         if (get_user(data, &odata32->ptr))
 352                 return -EFAULT;
 353
 354         datap = compat_ptr(data);
 355         if (put_user(datap, &odata->ptr))
 356                 return -EFAULT;
 357
 358         if (copy_in_user(&odata->length, &odata32->length,
 359                          sizeof(__u32) + sizeof(int)))
 360                 return -EFAULT;
 361
 362         return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
 363 }
 364
 365 #ifdef CONFIG_BLOCK
 366 struct mtget32 {
 367         compat_long_t   mt_type;
 368         compat_long_t   mt_resid;
 369         compat_long_t   mt_dsreg;
 370         compat_long_t   mt_gstat;
 371         compat_long_t   mt_erreg;
 372         compat_daddr_t  mt_fileno;
 373         compat_daddr_t  mt_blkno;
 374 };
 375 #define MTIOCGET32      _IOR('m', 2, struct mtget32)
 376
 377 struct mtpos32 {
 378         compat_long_t   mt_blkno;
 379 };
 380 #define MTIOCPOS32      _IOR('m', 3, struct mtpos32)
 381
 382 static int mt_ioctl_trans(struct file *file,
 383                 unsigned int cmd, void __user *argp)
 384 {
 385         /* NULL initialization to make gcc shut up */
 386         struct mtget __user *get = NULL;
 387         struct mtget32 __user *umget32;
 388         struct mtpos __user *pos = NULL;
 389         struct mtpos32 __user *upos32;
 390         unsigned long kcmd;
 391         void *karg;
 392         int err = 0;
 393
 394         switch(cmd) {
 395         case MTIOCPOS32:
 396                 kcmd = MTIOCPOS;
 397                 pos = compat_alloc_user_space(sizeof(*pos));
 398                 karg = pos;
 399                 break;
 400         default:        /* MTIOCGET32 */
 401                 kcmd = MTIOCGET;
 402                 get = compat_alloc_user_space(sizeof(*get));
 403                 karg = get;
 404                 break;
 405         }
 406         if (karg == NULL)
 407                 return -EFAULT;
 408         err = do_ioctl(file, kcmd, (unsigned long)karg);
 409         if (err)
 410                 return err;
 411         switch (cmd) {
 412         case MTIOCPOS32:
 413                 upos32 = argp;
 414                 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
 415                 break;
 416         case MTIOCGET32:
 417                 umget32 = argp;
 418                 err = convert_in_user(&get->mt_type, &umget32->mt_type);
 419                 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
 420                 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
 421                 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
 422                 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
 423                 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
 424                 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
 425                 break;
 426         }
 427         return err ? -EFAULT: 0;
 428 }
 429
 430 #endif /* CONFIG_BLOCK */
 431
 432 /* Bluetooth ioctls */
 433 #define HCIUARTSETPROTO         _IOW('U', 200, int)
 434 #define HCIUARTGETPROTO         _IOR('U', 201, int)
 435 #define HCIUARTGETDEVICE        _IOR('U', 202, int)
 436 #define HCIUARTSETFLAGS         _IOW('U', 203, int)
 437 #define HCIUARTGETFLAGS         _IOR('U', 204, int)
 438
 439 #define RTC_IRQP_READ32         _IOR('p', 0x0b, compat_ulong_t)
 440 #define RTC_IRQP_SET32          _IOW('p', 0x0c, compat_ulong_t)
 441 #define RTC_EPOCH_READ32        _IOR('p', 0x0d, compat_ulong_t)
 442 #define RTC_EPOCH_SET32         _IOW('p', 0x0e, compat_ulong_t)
 443
 444 static int rtc_ioctl(struct file *file,
 445                 unsigned cmd, void __user *argp)
 446 {
 447         unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
 448         int ret;
 449
 450         if (valp == NULL)
 451                 return -EFAULT;
 452         switch (cmd) {
 453         case RTC_IRQP_READ32:
 454         case RTC_EPOCH_READ32:
 455                 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
 456                                         RTC_IRQP_READ : RTC_EPOCH_READ,
 457                                         (unsigned long)valp);
 458                 if (ret)
 459                         return ret;
 460                 return convert_in_user(valp, (unsigned int __user *)argp);
 461         case RTC_IRQP_SET32:
 462                 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
 463         case RTC_EPOCH_SET32:
 464                 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
 465         }
 466
 467         return -ENOIOCTLCMD;
 468 }
 469
 470 /* on ia32 l_start is on a 32-bit boundary */
 471 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
 472 struct space_resv_32 {
 473         __s16           l_type;
 474         __s16           l_whence;
 475         __s64           l_start __attribute__((packed));
 476                         /* len == 0 means until end of file */
 477         __s64           l_len __attribute__((packed));
 478         __s32           l_sysid;
 479         __u32           l_pid;
 480         __s32           l_pad[4];       /* reserve area */
 481 };
 482
 483 #define FS_IOC_RESVSP_32                _IOW ('X', 40, struct space_resv_32)
 484 #define FS_IOC_RESVSP64_32      _IOW ('X', 42, struct space_resv_32)
 485
 486 /* just account for different alignment */
 487 static int compat_ioctl_preallocate(struct file *file,
 488                         struct space_resv_32    __user *p32)
 489 {
 490         struct space_resv       __user *p = compat_alloc_user_space(sizeof(*p));
 491
 492         if (copy_in_user(&p->l_type,    &p32->l_type,   sizeof(s16)) ||
 493             copy_in_user(&p->l_whence,  &p32->l_whence, sizeof(s16)) ||
 494             copy_in_user(&p->l_start,   &p32->l_start,  sizeof(s64)) ||
 495             copy_in_user(&p->l_len,     &p32->l_len,    sizeof(s64)) ||
 496             copy_in_user(&p->l_sysid,   &p32->l_sysid,  sizeof(s32)) ||
 497             copy_in_user(&p->l_pid,     &p32->l_pid,    sizeof(u32)) ||
 498             copy_in_user(&p->l_pad,     &p32->l_pad,    4*sizeof(u32)))
 499                 return -EFAULT;
 500
 501         return ioctl_preallocate(file, p);
 502 }
 503 #endif
 504
 505 /*
 506  * simple reversible transform to make our table more evenly
 507  * distributed after sorting.
 508  */
 509 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
 510
 511 #define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
 512 /* ioctl should not be warned about even if it's not implemented.
 513    Valid reasons to use this:
 514    - It is implemented with ->compat_ioctl on some device, but programs
 515    call it on others too.
 516    - The ioctl is not implemented in the native kernel, but programs
 517    call it commonly anyways.
 518    Most other reasons are not valid. */
 519 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
 520
 521 static unsigned int ioctl_pointer[] = {
 522 /* compatible ioctls first */
 523 /* Little t */
 524 COMPATIBLE_IOCTL(TIOCOUTQ)
 525 /* Little f */
 526 COMPATIBLE_IOCTL(FIOCLEX)
 527 COMPATIBLE_IOCTL(FIONCLEX)
 528 COMPATIBLE_IOCTL(FIOASYNC)
 529 COMPATIBLE_IOCTL(FIONBIO)
 530 COMPATIBLE_IOCTL(FIONREAD)  /* This is also TIOCINQ */
 531 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
 532 /* 0x00 */
 533 COMPATIBLE_IOCTL(FIBMAP)
 534 COMPATIBLE_IOCTL(FIGETBSZ)
 535 /* 'X' - originally XFS but some now in the VFS */
 536 COMPATIBLE_IOCTL(FIFREEZE)
 537 COMPATIBLE_IOCTL(FITHAW)
 538 COMPATIBLE_IOCTL(FITRIM)
 539 #ifdef CONFIG_BLOCK
 540 /* Big S */
 541 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
 542 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
 543 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
 544 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
 545 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
 546 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
 547 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
 548 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
 549 #endif
 550 /* Big V (don't complain on serial console) */
 551 IGNORE_IOCTL(VT_OPENQRY)
 552 IGNORE_IOCTL(VT_GETMODE)
 553 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
 554 COMPATIBLE_IOCTL(RTC_AIE_ON)
 555 COMPATIBLE_IOCTL(RTC_AIE_OFF)
 556 COMPATIBLE_IOCTL(RTC_UIE_ON)
 557 COMPATIBLE_IOCTL(RTC_UIE_OFF)
 558 COMPATIBLE_IOCTL(RTC_PIE_ON)
 559 COMPATIBLE_IOCTL(RTC_PIE_OFF)
 560 COMPATIBLE_IOCTL(RTC_WIE_ON)
 561 COMPATIBLE_IOCTL(RTC_WIE_OFF)
 562 COMPATIBLE_IOCTL(RTC_ALM_SET)
 563 COMPATIBLE_IOCTL(RTC_ALM_READ)
 564 COMPATIBLE_IOCTL(RTC_RD_TIME)
 565 COMPATIBLE_IOCTL(RTC_SET_TIME)
 566 COMPATIBLE_IOCTL(RTC_WKALM_SET)
 567 COMPATIBLE_IOCTL(RTC_WKALM_RD)
 568 /*
 569  * These two are only for the sbus rtc driver, but
 570  * hwclock tries them on every rtc device first when
 571  * running on sparc.  On other architectures the entries
 572  * are useless but harmless.
 573  */
 574 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
 575 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
 576 /* Little m */
 577 COMPATIBLE_IOCTL(MTIOCTOP)
 578 /* Socket level stuff */
 579 COMPATIBLE_IOCTL(FIOQSIZE)
 580 #ifdef CONFIG_BLOCK
 581 /* md calls this on random blockdevs */
 582 IGNORE_IOCTL(RAID_VERSION)
 583 /* qemu/qemu-img might call these two on plain files for probing */
 584 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
 585 IGNORE_IOCTL(FDGETPRM32)
 586 /* SG stuff */
 587 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
 588 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
 589 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
 590 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
 591 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
 592 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
 593 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
 594 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
 595 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
 596 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
 597 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
 598 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
 599 COMPATIBLE_IOCTL(SG_SET_DEBUG)
 600 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
 601 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
 602 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
 603 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
 604 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
 605 COMPATIBLE_IOCTL(SG_SCSI_RESET)
 606 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
 607 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
 608 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
 609 #endif
 610 /* PPP stuff */
 611 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
 612 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
 613 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
 614 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
 615 COMPATIBLE_IOCTL(PPPIOCGUNIT)
 616 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
 617 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
 618 COMPATIBLE_IOCTL(PPPIOCGMRU)
 619 COMPATIBLE_IOCTL(PPPIOCSMRU)
 620 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
 621 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
 622 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
 623 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
 624 /* PPPIOCSCOMPRESS is translated */
 625 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
 626 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
 627 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
 628 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
 629 /* PPPIOCSPASS is translated */
 630 /* PPPIOCSACTIVE is translated */
 631 /* PPPIOCGIDLE is translated */
 632 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
 633 COMPATIBLE_IOCTL(PPPIOCATTACH)
 634 COMPATIBLE_IOCTL(PPPIOCDETACH)
 635 COMPATIBLE_IOCTL(PPPIOCSMRRU)
 636 COMPATIBLE_IOCTL(PPPIOCCONNECT)
 637 COMPATIBLE_IOCTL(PPPIOCDISCONN)
 638 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
 639 COMPATIBLE_IOCTL(PPPIOCGCHAN)
 640 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
 641 /* PPPOX */
 642 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
 643 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
 644 /* Big A */
 645 /* sparc only */
 646 /* Big Q for sound/OSS */
 647 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
 648 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
 649 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
 650 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
 651 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
 652 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
 653 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
 654 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
 655 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
 656 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
 657 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
 658 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
 659 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
 660 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
 661 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
 662 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
 663 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
 664 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
 665 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
 666 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
 667 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
 668 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
 669 /* Big T for sound/OSS */
 670 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
 671 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
 672 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
 673 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
 674 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
 675 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
 676 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
 677 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
 678 /* Little m for sound/OSS */
 679 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
 680 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
 681 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
 682 /* Big P for sound/OSS */
 683 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
 684 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
 685 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
 686 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
 687 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
 688 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
 689 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
 690 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
 691 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
 692 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
 693 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
 694 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
 695 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
 696 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
 697 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
 698 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
 699 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
 700 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
 701 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
 702 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
 703 /* SNDCTL_DSP_MAPINBUF,  XXX needs translation */
 704 /* SNDCTL_DSP_MAPOUTBUF,  XXX needs translation */
 705 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
 706 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
 707 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
 708 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
 709 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
 710 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
 711 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
 712 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
 713 /* Big C for sound/OSS */
 714 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
 715 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
 716 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
 717 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
 718 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
 719 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
 720 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
 721 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
 722 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
 723 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
 724 /* Big M for sound/OSS */
 725 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
 726 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
 727 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
 728 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
 729 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
 730 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
 731 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
 732 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
 733 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
 734 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
 735 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
 736 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
 737 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
 738 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
 739 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
 740 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
 741 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
 742 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
 743 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
 744 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
 745 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
 746 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
 747 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
 748 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
 749 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
 750 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
 751 /* SOUND_MIXER_READ_ENHANCE,  same value as READ_MUTE */
 752 /* SOUND_MIXER_READ_LOUD,  same value as READ_MUTE */
 753 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
 754 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
 755 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
 756 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
 757 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
 758 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
 759 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
 760 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
 761 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
 762 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
 763 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
 764 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
 765 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
 766 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
 767 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
 768 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
 769 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
 770 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
 771 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
 772 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
 773 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
 774 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
 775 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
 776 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
 777 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
 778 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
 779 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
 780 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
 781 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
 782 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
 783 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
 784 /* SOUND_MIXER_WRITE_ENHANCE,  same value as WRITE_MUTE */
 785 /* SOUND_MIXER_WRITE_LOUD,  same value as WRITE_MUTE */
 786 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
 787 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
 788 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
 789 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
 790 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
 791 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
 792 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
 793 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
 794 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
 795 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
 796 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
 797 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
 798 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
 799 COMPATIBLE_IOCTL(OSS_GETVERSION)
 800 /* Raw devices */
 801 COMPATIBLE_IOCTL(RAW_SETBIND)
 802 COMPATIBLE_IOCTL(RAW_GETBIND)
 803 /* Watchdog */
 804 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
 805 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
 806 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
 807 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
 808 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
 809 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
 810 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
 811 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
 812 COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
 813 COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
 814 /* Big R */
 815 COMPATIBLE_IOCTL(RNDGETENTCNT)
 816 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
 817 COMPATIBLE_IOCTL(RNDGETPOOL)
 818 COMPATIBLE_IOCTL(RNDADDENTROPY)
 819 COMPATIBLE_IOCTL(RNDZAPENTCNT)
 820 COMPATIBLE_IOCTL(RNDCLEARPOOL)
 821 /* Bluetooth */
 822 COMPATIBLE_IOCTL(HCIDEVUP)
 823 COMPATIBLE_IOCTL(HCIDEVDOWN)
 824 COMPATIBLE_IOCTL(HCIDEVRESET)
 825 COMPATIBLE_IOCTL(HCIDEVRESTAT)
 826 COMPATIBLE_IOCTL(HCIGETDEVLIST)
 827 COMPATIBLE_IOCTL(HCIGETDEVINFO)
 828 COMPATIBLE_IOCTL(HCIGETCONNLIST)
 829 COMPATIBLE_IOCTL(HCIGETCONNINFO)
 830 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
 831 COMPATIBLE_IOCTL(HCISETRAW)
 832 COMPATIBLE_IOCTL(HCISETSCAN)
 833 COMPATIBLE_IOCTL(HCISETAUTH)
 834 COMPATIBLE_IOCTL(HCISETENCRYPT)
 835 COMPATIBLE_IOCTL(HCISETPTYPE)
 836 COMPATIBLE_IOCTL(HCISETLINKPOL)
 837 COMPATIBLE_IOCTL(HCISETLINKMODE)
 838 COMPATIBLE_IOCTL(HCISETACLMTU)
 839 COMPATIBLE_IOCTL(HCISETSCOMTU)
 840 COMPATIBLE_IOCTL(HCIBLOCKADDR)
 841 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
 842 COMPATIBLE_IOCTL(HCIINQUIRY)
 843 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
 844 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
 845 COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
 846 COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
 847 COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
 848 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
 849 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
 850 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
 851 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
 852 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
 853 /* CAPI */
 854 COMPATIBLE_IOCTL(CAPI_REGISTER)
 855 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
 856 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
 857 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
 858 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
 859 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
 860 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
 861 COMPATIBLE_IOCTL(CAPI_INSTALLED)
 862 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
 863 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
 864 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
 865 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
 866 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
 867 /* Misc. */
 868 COMPATIBLE_IOCTL(0x41545900)            /* ATYIO_CLKR */
 869 COMPATIBLE_IOCTL(0x41545901)            /* ATYIO_CLKW */
 870 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
 871 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
 872 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
 873 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
 874 /* hiddev */
 875 COMPATIBLE_IOCTL(HIDIOCGVERSION)
 876 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
 877 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
 878 COMPATIBLE_IOCTL(HIDIOCGSTRING)
 879 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
 880 COMPATIBLE_IOCTL(HIDIOCGREPORT)
 881 COMPATIBLE_IOCTL(HIDIOCSREPORT)
 882 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
 883 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
 884 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
 885 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
 886 COMPATIBLE_IOCTL(HIDIOCGUCODE)
 887 COMPATIBLE_IOCTL(HIDIOCGFLAG)
 888 COMPATIBLE_IOCTL(HIDIOCSFLAG)
 889 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
 890 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
 891 /* joystick */
 892 COMPATIBLE_IOCTL(JSIOCGVERSION)
 893 COMPATIBLE_IOCTL(JSIOCGAXES)
 894 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
 895 COMPATIBLE_IOCTL(JSIOCGNAME(0))
 896
 897 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
 898    but we don't want warnings on other file systems. So declare
 899    them as compatible here. */
 900 #define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
 901 #define VFAT_IOCTL_READDIR_SHORT32      _IOR('r', 2, struct compat_dirent[2])
 902
 903 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
 904 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
 905
 906 #ifdef CONFIG_SPARC
 907 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
 908 IGNORE_IOCTL(FBIOGTYPE)
 909 IGNORE_IOCTL(FBIOSATTR)
 910 IGNORE_IOCTL(FBIOGATTR)
 911 IGNORE_IOCTL(FBIOSVIDEO)
 912 IGNORE_IOCTL(FBIOGVIDEO)
 913 IGNORE_IOCTL(FBIOSCURPOS)
 914 IGNORE_IOCTL(FBIOGCURPOS)
 915 IGNORE_IOCTL(FBIOGCURMAX)
 916 IGNORE_IOCTL(FBIOPUTCMAP32)
 917 IGNORE_IOCTL(FBIOGETCMAP32)
 918 IGNORE_IOCTL(FBIOSCURSOR32)
 919 IGNORE_IOCTL(FBIOGCURSOR32)
 920 #endif
 921 };
 922
 923 /*
 924  * Convert common ioctl arguments based on their command number
 925  *
 926  * Please do not add any code in here. Instead, implement
 927  * a compat_ioctl operation in the place that handleѕ the
 928  * ioctl for the native case.
 929  */
 930 static long do_ioctl_trans(unsigned int cmd,
 931                  unsigned long arg, struct file *file)
 932 {
 933         void __user *argp = compat_ptr(arg);
 934
 935         switch (cmd) {
 936         case PPPIOCGIDLE32:
 937                 return ppp_gidle(file, cmd, argp);
 938         case PPPIOCSCOMPRESS32:
 939                 return ppp_scompress(file, cmd, argp);
 940         case PPPIOCSPASS32:
 941         case PPPIOCSACTIVE32:
 942                 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
 943 #ifdef CONFIG_BLOCK
 944         case SG_IO:
 945                 return sg_ioctl_trans(file, cmd, argp);
 946         case SG_GET_REQUEST_TABLE:
 947                 return sg_grt_trans(file, cmd, argp);
 948         case MTIOCGET32:
 949         case MTIOCPOS32:
 950                 return mt_ioctl_trans(file, cmd, argp);
 951 #endif
 952         /* Not implemented in the native kernel */
 953         case RTC_IRQP_READ32:
 954         case RTC_IRQP_SET32:
 955         case RTC_EPOCH_READ32:
 956         case RTC_EPOCH_SET32:
 957                 return rtc_ioctl(file, cmd, argp);
 958         }
 959
 960         /*
 961          * These take an integer instead of a pointer as 'arg',
 962          * so we must not do a compat_ptr() translation.
 963          */
 964         switch (cmd) {
 965         /* RAID */
 966         case HOT_REMOVE_DISK:
 967         case HOT_ADD_DISK:
 968         case SET_DISK_FAULTY:
 969         case SET_BITMAP_FILE:
 970                 return vfs_ioctl(file, cmd, arg);
 971         }
 972
 973         return -ENOIOCTLCMD;
 974 }
 975
 976 static int compat_ioctl_check_table(unsigned int xcmd)
 977 {
 978         int i;
 979         const int max = ARRAY_SIZE(ioctl_pointer) - 1;
 980
 981         BUILD_BUG_ON(max >= (1 << 16));
 982
 983         /* guess initial offset into table, assuming a
 984            normalized distribution */
 985         i = ((xcmd >> 16) * max) >> 16;
 986
 987         /* do linear search up first, until greater or equal */
 988         while (ioctl_pointer[i] < xcmd && i < max)
 989                 i++;
 990
 991         /* then do linear search down */
 992         while (ioctl_pointer[i] > xcmd && i > 0)
 993                 i--;
 994
 995         return ioctl_pointer[i] == xcmd;
 996 }
 997
 998 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
 999                        compat_ulong_t, arg32)
1000 {
1001         unsigned long arg = arg32;
1002         struct fd f = fdget(fd);
1003         int error = -EBADF;
1004         if (!f.file)
1005                 goto out;
1006
1007         /* RED-PEN how should LSM module know it's handling 32bit? */
1008         error = security_file_ioctl(f.file, cmd, arg);
1009         if (error)
1010                 goto out_fput;
1011
1012         /*
1013          * To allow the compat_ioctl handlers to be self contained
1014          * we need to check the common ioctls here first.
1015          * Just handle them with the standard handlers below.
1016          */
1017         switch (cmd) {
1018         case FIOCLEX:
1019         case FIONCLEX:
1020         case FIONBIO:
1021         case FIOASYNC:
1022         case FIOQSIZE:
1023                 break;
1024
1025 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1026         case FS_IOC_RESVSP_32:
1027         case FS_IOC_RESVSP64_32:
1028                 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1029                 goto out_fput;
1030 #else
1031         case FS_IOC_RESVSP:
1032         case FS_IOC_RESVSP64:
1033                 error = ioctl_preallocate(f.file, compat_ptr(arg));
1034                 goto out_fput;
1035 #endif
1036
1037         case FICLONE:
1038         case FICLONERANGE:
1039         case FIDEDUPERANGE:
1040         case FS_IOC_FIEMAP:
1041                 goto do_ioctl;
1042
1043         case FIBMAP:
1044         case FIGETBSZ:
1045         case FIONREAD:
1046                 if (S_ISREG(file_inode(f.file)->i_mode))
1047                         break;
1048                 /*FALL THROUGH*/
1049
1050         default:
1051                 if (f.file->f_op->compat_ioctl) {
1052                         error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1053                         if (error != -ENOIOCTLCMD)
1054                                 goto out_fput;
1055                 }
1056
1057                 if (!f.file->f_op->unlocked_ioctl)
1058                         goto do_ioctl;
1059                 break;
1060         }
1061
1062         if (compat_ioctl_check_table(XFORM(cmd)))
1063                 goto found_handler;
1064
1065         error = do_ioctl_trans(cmd, arg, f.file);
1066         if (error == -ENOIOCTLCMD)
1067                 error = -ENOTTY;
1068
1069         goto out_fput;
1070
1071  found_handler:
1072         arg = (unsigned long)compat_ptr(arg);
1073  do_ioctl:
1074         error = do_vfs_ioctl(f.file, fd, cmd, arg);
1075  out_fput:
1076         fdput(f);
1077  out:
1078         return error;
1079 }
1080
1081 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1082 {
1083         unsigned int a, b;
1084         a = *(unsigned int *)p;
1085         b = *(unsigned int *)q;
1086         if (a > b)
1087                 return 1;
1088         if (a < b)
1089                 return -1;
1090         return 0;
1091 }
1092
1093 static int __init init_sys32_ioctl(void)
1094 {
1095         sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1096                 init_sys32_ioctl_cmp, NULL);
1097         return 0;
1098 }
1099 __initcall(init_sys32_ioctl);