osfmk/mach/mach_traps.h

   1 /*
   2  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
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   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
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  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
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  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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  23  * Please see the License for the specific language governing rights and
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  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  34  * All Rights Reserved.
  35  *
  36  * Permission to use, copy, modify and distribute this software and its
  37  * documentation is hereby granted, provided that both the copyright
  38  * notice and this permission notice appear in all copies of the
  39  * software, derivative works or modified versions, and any portions
  40  * thereof, and that both notices appear in supporting documentation.
  41  *
  42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  45  *
  46  * Carnegie Mellon requests users of this software to return to
  47  *
  48  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  49  *  School of Computer Science
  50  *  Carnegie Mellon University
  51  *  Pittsburgh PA 15213-3890
  52  *
  53  * any improvements or extensions that they make and grant Carnegie Mellon
  54  * the rights to redistribute these changes.
  55  */
  56 /*
  57  */
  58 /*
  59  *      Definitions of general Mach system traps.
  60  *
  61  *      These are the definitions as seen from user-space.
  62  *      The kernel definitions are in <mach/syscall_sw.h>.
  63  *      Kernel RPC functions are defined in <mach/mach_interface.h>.
  64  */
  65
  66 #ifndef _MACH_MACH_TRAPS_H_
  67 #define _MACH_MACH_TRAPS_H_
  68
  69 #include <stdint.h>
  70
  71 #include <mach/std_types.h>
  72 #include <mach/mach_types.h>
  73 #include <mach/kern_return.h>
  74 #include <mach/port.h>
  75 #include <mach/vm_types.h>
  76 #include <mach/clock_types.h>
  77
  78 #include <machine/endian.h>
  79
  80 #include <sys/cdefs.h>
  81
  82 __BEGIN_DECLS
  83
  84 #ifndef KERNEL
  85
  86 #ifdef  PRIVATE
  87
  88 extern mach_port_name_t mach_reply_port(void);
  89
  90 extern mach_port_name_t thread_self_trap(void);
  91
  92 extern mach_port_name_t host_self_trap(void);
  93
  94 extern mach_msg_return_t mach_msg_trap(
  95                                 mach_msg_header_t *msg,
  96                                 mach_msg_option_t option,
  97                                 mach_msg_size_t send_size,
  98                                 mach_msg_size_t rcv_size,
  99                                 mach_port_name_t rcv_name,
 100                                 mach_msg_timeout_t timeout,
 101                                 mach_port_name_t notify);
 102
 103 extern mach_msg_return_t mach_msg_overwrite_trap(
 104                                 mach_msg_header_t *msg,
 105                                 mach_msg_option_t option,
 106                                 mach_msg_size_t send_size,
 107                                 mach_msg_size_t rcv_size,
 108                                 mach_port_name_t rcv_name,
 109                                 mach_msg_timeout_t timeout,
 110                                 mach_port_name_t notify,
 111                                 mach_msg_header_t *rcv_msg,
 112                                 mach_msg_size_t rcv_limit);
 113
 114 extern kern_return_t semaphore_signal_trap(
 115                                 mach_port_name_t signal_name);
 116
 117 extern kern_return_t semaphore_signal_all_trap(
 118                                 mach_port_name_t signal_name);
 119
 120 extern kern_return_t semaphore_signal_thread_trap(
 121                                 mach_port_name_t signal_name,
 122                                 mach_port_name_t thread_name);
 123
 124 extern kern_return_t semaphore_wait_trap(
 125                                 mach_port_name_t wait_name);
 126
 127 extern kern_return_t semaphore_wait_signal_trap(
 128                                 mach_port_name_t wait_name,
 129                                 mach_port_name_t signal_name);
 130
 131 extern kern_return_t semaphore_timedwait_trap(
 132                                 mach_port_name_t wait_name,
 133                                 unsigned int sec,
 134                                 clock_res_t nsec);
 135
 136 extern kern_return_t semaphore_timedwait_signal_trap(
 137                                 mach_port_name_t wait_name,
 138                                 mach_port_name_t signal_name,
 139                                 unsigned int sec,
 140                                 clock_res_t nsec);
 141
 142 extern kern_return_t clock_sleep_trap(
 143                                 mach_port_name_t clock_name,
 144                                 sleep_type_t sleep_type,
 145                                 int sleep_sec,
 146                                 int sleep_nsec,
 147                                 mach_timespec_t *wakeup_time);
 148
 149 #endif  /* PRIVATE */
 150
 151 extern kern_return_t macx_swapon(
 152                                 uint64_t filename,
 153                                 int flags,
 154                                 int size,
 155                                 int priority);
 156
 157 extern kern_return_t macx_swapoff(
 158                                 uint64_t filename,
 159                                 int flags);
 160
 161 extern kern_return_t macx_triggers(
 162                                 int hi_water,
 163                                 int low_water,
 164                                 int flags,
 165                                 mach_port_t alert_port);
 166
 167 extern kern_return_t macx_backing_store_suspend(
 168                                 boolean_t suspend);
 169
 170 extern kern_return_t macx_backing_store_recovery(
 171                                 int pid);
 172
 173 extern boolean_t swtch_pri(int pri);
 174
 175 extern boolean_t swtch(void);
 176
 177 extern kern_return_t thread_switch(
 178                                 mach_port_name_t thread_name,
 179                                 int option,
 180                                 mach_msg_timeout_t option_time);
 181
 182 extern mach_port_name_t task_self_trap(void);
 183
 184 /*
 185  *      Obsolete interfaces.
 186  */
 187
 188 extern kern_return_t task_for_pid(
 189                                 mach_port_name_t target_tport,
 190                                 int pid,
 191                                 mach_port_name_t *t);
 192
 193 extern kern_return_t task_name_for_pid(
 194                                 mach_port_name_t target_tport,
 195                                 int pid,
 196                                 mach_port_name_t *tn);
 197
 198 extern kern_return_t pid_for_task(
 199                                 mach_port_name_t t,
 200                                 int *x);
 201
 202 #if             !defined(__LP64__)
 203 /* these should go away altogether - so no 64 legacy please */
 204
 205 extern kern_return_t map_fd(
 206                                 int fd,
 207                                 vm_offset_t offset,
 208                                 vm_offset_t *va,
 209                                 boolean_t findspace,
 210                                 vm_size_t size);
 211
 212 #endif  /* !defined(__LP64__) */
 213
 214 #else   /* KERNEL */
 215
 216 #ifdef  XNU_KERNEL_PRIVATE
 217
 218 /* Syscall data translations routines */
 219 #define PAD_(t) (sizeof(uint64_t) <= sizeof(t) \
 220                 ? 0 : sizeof(uint64_t) - sizeof(t))
 221 #define PAD_ARG_8
 222
 223 #if BYTE_ORDER == LITTLE_ENDIAN
 224 #define PADL_(t)        0
 225 #define PADR_(t)        PAD_(t)
 226 #else
 227 #define PADL_(t)        PAD_(t)
 228 #define PADR_(t)        0
 229 #endif
 230
 231 #define PAD_ARG_(arg_type, arg_name) \
 232   char arg_name##_l_[PADL_(arg_type)]; arg_type arg_name; char arg_name##_r_[PADR_(arg_type)];
 233
 234 #ifndef __MUNGE_ONCE
 235 #define __MUNGE_ONCE
 236 #ifdef __ppc__
 237 void munge_w(const void *, void *);
 238 void munge_ww(const void *, void *);
 239 void munge_www(const void *, void *);
 240 void munge_wwww(const void *, void *);
 241 void munge_wwwww(const void *, void *);
 242 void munge_wwwwww(const void *, void *);
 243 void munge_wwwwwww(const void *, void *);
 244 void munge_wwwwwwww(const void *, void *);
 245 void munge_d(const void *, void *);
 246 void munge_dd(const void *, void *);
 247 void munge_ddd(const void *, void *);
 248 void munge_dddd(const void *, void *);
 249 void munge_ddddd(const void *, void *);
 250 void munge_dddddd(const void *, void *);
 251 void munge_ddddddd(const void *, void *);
 252 void munge_dddddddd(const void *, void *);
 253 void munge_l(const void *, void *);
 254 void munge_lw(const void *, void *);
 255 void munge_lwww(const void *, void *);
 256 void munge_wl(const void *, void *);
 257 void munge_wlw(const void *, void *);
 258 void munge_wwwl(const void *, void *);
 259 void munge_wwwwl(const void *, void *);
 260 void munge_wwwwwl(const void *, void *);
 261 #else
 262 #define munge_w  NULL
 263 #define munge_ww  NULL
 264 #define munge_www  NULL
 265 #define munge_wwww  NULL
 266 #define munge_wwwww  NULL
 267 #define munge_wwwwww  NULL
 268 #define munge_wwwwwww  NULL
 269 #define munge_wwwwwwww  NULL
 270 #define munge_d  NULL
 271 #define munge_dd  NULL
 272 #define munge_ddd  NULL
 273 #define munge_dddd  NULL
 274 #define munge_ddddd  NULL
 275 #define munge_dddddd  NULL
 276 #define munge_ddddddd  NULL
 277 #define munge_dddddddd  NULL
 278 #define munge_l NULL
 279 #define munge_lw NULL
 280 #define munge_lwww NULL
 281 #define munge_wl  NULL
 282 #define munge_wlw  NULL
 283 #define munge_wwwl  NULL
 284 #define munge_wwwwl  NULL
 285 #define munge_wwwwwl  NULL
 286 #endif /* __ppc__ */
 287 #endif /* !__MUNGE_ONCE */
 288
 289 struct kern_invalid_args {
 290         int32_t dummy;
 291 };
 292 extern kern_return_t kern_invalid(
 293                                 struct kern_invalid_args *args);
 294
 295 struct mach_reply_port_args {
 296         int32_t dummy;
 297 };
 298 extern mach_port_name_t mach_reply_port(
 299                                 struct mach_reply_port_args *args);
 300
 301 struct thread_self_trap_args {
 302         int32_t dummy;
 303 };
 304 extern mach_port_name_t thread_self_trap(
 305                                 struct thread_self_trap_args *args);
 306
 307 struct task_self_trap_args {
 308         int32_t dummy;
 309 };
 310 extern mach_port_name_t task_self_trap(
 311                                 struct task_self_trap_args *args);
 312
 313 struct host_self_trap_args {
 314         int32_t dummy;
 315 };
 316 extern mach_port_name_t host_self_trap(
 317                                 struct host_self_trap_args *args);
 318
 319 struct mach_msg_overwrite_trap_args {
 320         PAD_ARG_(mach_vm_address_t, msg);
 321         PAD_ARG_(mach_msg_option_t, option);
 322         PAD_ARG_(mach_msg_size_t, send_size);
 323         PAD_ARG_(mach_msg_size_t, rcv_size);
 324         PAD_ARG_(mach_port_name_t, rcv_name);
 325         PAD_ARG_(mach_msg_timeout_t, timeout);
 326         PAD_ARG_(mach_port_name_t, notify);
 327         PAD_ARG_8
 328         PAD_ARG_(mach_vm_address_t, rcv_msg);  /* Unused on mach_msg_trap */
 329 };
 330 extern mach_msg_return_t mach_msg_trap(
 331                                 struct mach_msg_overwrite_trap_args *args);
 332 extern mach_msg_return_t mach_msg_overwrite_trap(
 333                                 struct mach_msg_overwrite_trap_args *args);
 334
 335 struct semaphore_signal_trap_args {
 336         PAD_ARG_(mach_port_name_t, signal_name);
 337 };
 338 extern kern_return_t semaphore_signal_trap(
 339                                 struct semaphore_signal_trap_args *args);
 340
 341 struct semaphore_signal_all_trap_args {
 342         PAD_ARG_(mach_port_name_t, signal_name);
 343 };
 344 extern kern_return_t semaphore_signal_all_trap(
 345                                 struct semaphore_signal_all_trap_args *args);
 346
 347 struct semaphore_signal_thread_trap_args {
 348         PAD_ARG_(mach_port_name_t, signal_name);
 349         PAD_ARG_(mach_port_name_t, thread_name);
 350 };
 351 extern kern_return_t semaphore_signal_thread_trap(
 352                                 struct semaphore_signal_thread_trap_args *args);
 353
 354 struct semaphore_wait_trap_args {
 355         PAD_ARG_(mach_port_name_t, wait_name);
 356 };
 357 extern kern_return_t semaphore_wait_trap(
 358                                 struct semaphore_wait_trap_args *args);
 359
 360 struct semaphore_wait_signal_trap_args {
 361         PAD_ARG_(mach_port_name_t, wait_name);
 362         PAD_ARG_(mach_port_name_t, signal_name);
 363 };
 364 extern kern_return_t semaphore_wait_signal_trap(
 365                                 struct semaphore_wait_signal_trap_args *args);
 366
 367 struct semaphore_timedwait_trap_args {
 368         PAD_ARG_(mach_port_name_t, wait_name);
 369         PAD_ARG_(unsigned int, sec);
 370         PAD_ARG_(clock_res_t, nsec);
 371 };
 372 extern kern_return_t semaphore_timedwait_trap(
 373                                 struct semaphore_timedwait_trap_args *args);
 374
 375 struct semaphore_timedwait_signal_trap_args {
 376         PAD_ARG_(mach_port_name_t, wait_name);
 377         PAD_ARG_(mach_port_name_t, signal_name);
 378         PAD_ARG_(unsigned int, sec);
 379         PAD_ARG_(clock_res_t, nsec);
 380 };
 381 extern kern_return_t semaphore_timedwait_signal_trap(
 382                                 struct semaphore_timedwait_signal_trap_args *args);
 383
 384 struct map_fd_args {
 385         PAD_ARG_(int, fd);
 386         PAD_ARG_(vm_offset_t, offset);
 387         PAD_ARG_(vm_offset_t *, va);
 388         PAD_ARG_(boolean_t, findspace);
 389         PAD_ARG_(vm_size_t, size);
 390 };
 391 extern kern_return_t map_fd(
 392                                 struct map_fd_args *args);
 393
 394 struct task_for_pid_args {
 395         PAD_ARG_(mach_port_name_t, target_tport);
 396         PAD_ARG_(int, pid);
 397         PAD_ARG_(user_addr_t, t);
 398 };
 399 extern kern_return_t task_for_pid(
 400                                 struct task_for_pid_args *args);
 401
 402 struct task_name_for_pid_args {
 403         PAD_ARG_(mach_port_name_t, target_tport);
 404         PAD_ARG_(int, pid);
 405         PAD_ARG_(user_addr_t, t);
 406 };
 407 extern kern_return_t task_name_for_pid(
 408                                 struct task_name_for_pid_args *args);
 409
 410 struct pid_for_task_args {
 411         PAD_ARG_(mach_port_name_t, t);
 412         PAD_ARG_(user_addr_t, pid);
 413 };
 414 extern kern_return_t pid_for_task(
 415                                 struct pid_for_task_args *args);
 416
 417 struct macx_swapon_args {
 418         PAD_ARG_(uint64_t, filename);
 419         PAD_ARG_(int, flags);
 420         PAD_ARG_(int, size);
 421         PAD_ARG_(int, priority);
 422 };
 423 extern kern_return_t macx_swapon(
 424                                 struct macx_swapon_args *args);
 425
 426 struct macx_swapoff_args {
 427     PAD_ARG_(uint64_t, filename);
 428     PAD_ARG_(int, flags);
 429 };
 430 extern kern_return_t macx_swapoff(
 431                                 struct macx_swapoff_args *args);
 432
 433 struct macx_triggers_args {
 434         PAD_ARG_(int, hi_water);
 435         PAD_ARG_(int, low_water);
 436         PAD_ARG_(int, flags);
 437         PAD_ARG_(mach_port_t, alert_port);
 438 };
 439 extern kern_return_t macx_triggers(
 440                                 struct macx_triggers_args *args);
 441
 442 struct macx_backing_store_suspend_args {
 443         PAD_ARG_(boolean_t, suspend);
 444 };
 445 extern kern_return_t macx_backing_store_suspend(
 446                                 struct macx_backing_store_suspend_args *args);
 447
 448 struct macx_backing_store_recovery_args {
 449         PAD_ARG_(int, pid);
 450 };
 451 extern kern_return_t macx_backing_store_recovery(
 452                                 struct macx_backing_store_recovery_args *args);
 453
 454 struct swtch_pri_args {
 455         PAD_ARG_(int, pri);
 456 };
 457 extern boolean_t swtch_pri(
 458                                 struct swtch_pri_args *args);
 459
 460 struct pfz_exit_args {
 461         int32_t dummy;
 462 };
 463 extern kern_return_t pfz_exit(
 464                                 struct pfz_exit_args *args);
 465
 466 struct swtch_args {
 467     int32_t dummy;
 468 };
 469 extern boolean_t swtch(
 470                                 struct swtch_args *args);
 471
 472 struct clock_sleep_trap_args{
 473         PAD_ARG_(mach_port_name_t, clock_name);
 474         PAD_ARG_(sleep_type_t, sleep_type);
 475         PAD_ARG_(int, sleep_sec);
 476         PAD_ARG_(int, sleep_nsec);
 477         PAD_ARG_(mach_vm_address_t, wakeup_time);
 478 };
 479 extern kern_return_t clock_sleep_trap(
 480                                 struct clock_sleep_trap_args *args);
 481
 482 struct thread_switch_args {
 483         PAD_ARG_(mach_port_name_t, thread_name);
 484         PAD_ARG_(int, option);
 485         PAD_ARG_(mach_msg_timeout_t, option_time);
 486 };
 487 extern kern_return_t thread_switch(
 488                                 struct thread_switch_args *args);
 489
 490 struct mach_timebase_info_trap_args {
 491         PAD_ARG_(mach_vm_address_t, info);
 492 };
 493 extern kern_return_t mach_timebase_info_trap(
 494                                 struct mach_timebase_info_trap_args *args);
 495
 496 struct mach_wait_until_trap_args {
 497         PAD_ARG_(uint64_t, deadline);
 498 };
 499 extern kern_return_t mach_wait_until_trap(
 500                                 struct mach_wait_until_trap_args *args);
 501
 502 struct mk_timer_create_trap_args {
 503     int32_t dummy;
 504 };
 505 extern mach_port_name_t mk_timer_create_trap(
 506                                 struct mk_timer_create_trap_args *args);
 507
 508 struct mk_timer_destroy_trap_args {
 509         PAD_ARG_(mach_port_name_t, name);
 510 };
 511 extern kern_return_t mk_timer_destroy_trap(
 512                                 struct mk_timer_destroy_trap_args *args);
 513
 514 struct mk_timer_arm_trap_args {
 515         PAD_ARG_(mach_port_name_t, name);
 516         PAD_ARG_(uint64_t, expire_time);
 517 };
 518 extern kern_return_t mk_timer_arm_trap(
 519                                 struct mk_timer_arm_trap_args *args);
 520
 521 struct mk_timer_cancel_trap_args {
 522     PAD_ARG_(mach_port_name_t, name);
 523     PAD_ARG_(mach_vm_address_t, result_time);
 524 };
 525 extern kern_return_t mk_timer_cancel_trap(
 526                                 struct mk_timer_cancel_trap_args *args);
 527
 528 /* not published to LP64 clients yet */
 529 struct iokit_user_client_trap_args {
 530         PAD_ARG_(void *, userClientRef);
 531         PAD_ARG_(uint32_t, index);
 532         PAD_ARG_(void *, p1);
 533         PAD_ARG_(void *, p2);
 534         PAD_ARG_(void *, p3);
 535         PAD_ARG_(void *, p4);
 536         PAD_ARG_(void *, p5);
 537         PAD_ARG_8
 538         PAD_ARG_(void *, p6);
 539 };
 540 kern_return_t iokit_user_client_trap(
 541                                 struct iokit_user_client_trap_args *args);
 542
 543 #undef PAD_
 544 #undef PADL_
 545 #undef PADR_
 546 #undef PAD_ARG_
 547 #undef PAD_ARG_8
 548
 549 #endif  /* XNU_KERNEL_PRIVATE */
 550
 551 #endif  /* KERNEL */
 552
 553 __END_DECLS
 554
 555 #endif  /* _MACH_MACH_TRAPS_H_ */