drivers/acpi/acpica/acutils.h

   1 /******************************************************************************
   2  *
   3  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef _ACUTILS_H
  45 #define _ACUTILS_H
  46
  47 extern const u8 acpi_gbl_resource_aml_sizes[];
  48 extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[];
  49
  50 /* Strings used by the disassembler and debugger resource dump routines */
  51
  52 #if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
  53
  54 extern const char *acpi_gbl_bm_decode[];
  55 extern const char *acpi_gbl_config_decode[];
  56 extern const char *acpi_gbl_consume_decode[];
  57 extern const char *acpi_gbl_dec_decode[];
  58 extern const char *acpi_gbl_he_decode[];
  59 extern const char *acpi_gbl_io_decode[];
  60 extern const char *acpi_gbl_ll_decode[];
  61 extern const char *acpi_gbl_max_decode[];
  62 extern const char *acpi_gbl_mem_decode[];
  63 extern const char *acpi_gbl_min_decode[];
  64 extern const char *acpi_gbl_mtp_decode[];
  65 extern const char *acpi_gbl_rng_decode[];
  66 extern const char *acpi_gbl_rw_decode[];
  67 extern const char *acpi_gbl_shr_decode[];
  68 extern const char *acpi_gbl_siz_decode[];
  69 extern const char *acpi_gbl_trs_decode[];
  70 extern const char *acpi_gbl_ttp_decode[];
  71 extern const char *acpi_gbl_typ_decode[];
  72 extern const char *acpi_gbl_ppc_decode[];
  73 extern const char *acpi_gbl_ior_decode[];
  74 extern const char *acpi_gbl_dts_decode[];
  75 extern const char *acpi_gbl_ct_decode[];
  76 extern const char *acpi_gbl_sbt_decode[];
  77 extern const char *acpi_gbl_am_decode[];
  78 extern const char *acpi_gbl_sm_decode[];
  79 extern const char *acpi_gbl_wm_decode[];
  80 extern const char *acpi_gbl_cph_decode[];
  81 extern const char *acpi_gbl_cpo_decode[];
  82 extern const char *acpi_gbl_dp_decode[];
  83 extern const char *acpi_gbl_ed_decode[];
  84 extern const char *acpi_gbl_bpb_decode[];
  85 extern const char *acpi_gbl_sb_decode[];
  86 extern const char *acpi_gbl_fc_decode[];
  87 extern const char *acpi_gbl_pt_decode[];
  88 #endif
  89
  90 /*
  91  * For the iASL compiler case, the output is redirected to stderr so that
  92  * any of the various ACPI errors and warnings do not appear in the output
  93  * files, for either the compiler or disassembler portions of the tool.
  94  */
  95 #ifdef ACPI_ASL_COMPILER
  96
  97 #include <stdio.h>
  98
  99 #define ACPI_MSG_REDIRECT_BEGIN \
 100         FILE                            *output_file = acpi_gbl_output_file; \
 101         acpi_os_redirect_output (stderr);
 102
 103 #define ACPI_MSG_REDIRECT_END \
 104         acpi_os_redirect_output (output_file);
 105
 106 #else
 107 /*
 108  * non-iASL case - no redirection, nothing to do
 109  */
 110 #define ACPI_MSG_REDIRECT_BEGIN
 111 #define ACPI_MSG_REDIRECT_END
 112 #endif
 113
 114 /*
 115  * Common error message prefixes
 116  */
 117 #define ACPI_MSG_ERROR          "ACPI Error: "
 118 #define ACPI_MSG_EXCEPTION      "ACPI Exception: "
 119 #define ACPI_MSG_WARNING        "ACPI Warning: "
 120 #define ACPI_MSG_INFO           "ACPI: "
 121
 122 #define ACPI_MSG_BIOS_ERROR     "ACPI BIOS Error (bug): "
 123 #define ACPI_MSG_BIOS_WARNING   "ACPI BIOS Warning (bug): "
 124
 125 /*
 126  * Common message suffix
 127  */
 128 #define ACPI_MSG_SUFFIX \
 129         acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
 130
 131 /* Types for Resource descriptor entries */
 132
 133 #define ACPI_INVALID_RESOURCE           0
 134 #define ACPI_FIXED_LENGTH               1
 135 #define ACPI_VARIABLE_LENGTH            2
 136 #define ACPI_SMALL_VARIABLE_LENGTH      3
 137
 138 typedef
 139 acpi_status(*acpi_walk_aml_callback) (u8 *aml,
 140                                       u32 length,
 141                                       u32 offset,
 142                                       u8 resource_index, void **context);
 143
 144 typedef
 145 acpi_status(*acpi_pkg_callback) (u8 object_type,
 146                                  union acpi_operand_object *source_object,
 147                                  union acpi_generic_state * state,
 148                                  void *context);
 149
 150 struct acpi_pkg_info {
 151         u8 *free_space;
 152         acpi_size length;
 153         u32 object_space;
 154         u32 num_packages;
 155 };
 156
 157 /* Object reference counts */
 158
 159 #define REF_INCREMENT       (u16) 0
 160 #define REF_DECREMENT       (u16) 1
 161
 162 /* acpi_ut_dump_buffer */
 163
 164 #define DB_BYTE_DISPLAY     1
 165 #define DB_WORD_DISPLAY     2
 166 #define DB_DWORD_DISPLAY    4
 167 #define DB_QWORD_DISPLAY    8
 168
 169 /*
 170  * utglobal - Global data structures and procedures
 171  */
 172 acpi_status acpi_ut_init_globals(void);
 173
 174 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 175
 176 char *acpi_ut_get_mutex_name(u32 mutex_id);
 177
 178 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
 179 #endif
 180
 181 char *acpi_ut_get_type_name(acpi_object_type type);
 182
 183 char *acpi_ut_get_node_name(void *object);
 184
 185 char *acpi_ut_get_descriptor_name(void *object);
 186
 187 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
 188
 189 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
 190
 191 char *acpi_ut_get_region_name(u8 space_id);
 192
 193 char *acpi_ut_get_event_name(u32 event_id);
 194
 195 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
 196
 197 u8 acpi_ut_ascii_char_to_hex(int hex_char);
 198
 199 u8 acpi_ut_valid_object_type(acpi_object_type type);
 200
 201 /*
 202  * utinit - miscellaneous initialization and shutdown
 203  */
 204 acpi_status acpi_ut_hardware_initialize(void);
 205
 206 void acpi_ut_subsystem_shutdown(void);
 207
 208 #define ACPI_IS_ASCII(c)  ((c) < 0x80)
 209
 210 /*
 211  * utcopy - Object construction and conversion interfaces
 212  */
 213 acpi_status
 214 acpi_ut_build_simple_object(union acpi_operand_object *obj,
 215                             union acpi_object *user_obj,
 216                             u8 *data_space, u32 *buffer_space_used);
 217
 218 acpi_status
 219 acpi_ut_build_package_object(union acpi_operand_object *obj,
 220                              u8 *buffer, u32 *space_used);
 221
 222 acpi_status
 223 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
 224                                 struct acpi_buffer *ret_buffer);
 225
 226 acpi_status
 227 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
 228                                 union acpi_operand_object **internal_obj);
 229
 230 acpi_status
 231 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
 232                                 union acpi_operand_object *dest_obj);
 233
 234 acpi_status
 235 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
 236                                 union acpi_operand_object **dest_desc,
 237                                 struct acpi_walk_state *walk_state);
 238
 239 /*
 240  * utcreate - Object creation
 241  */
 242 acpi_status
 243 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
 244
 245 /*
 246  * utdebug - Debug interfaces
 247  */
 248 void acpi_ut_init_stack_ptr_trace(void);
 249
 250 void acpi_ut_track_stack_ptr(void);
 251
 252 void
 253 acpi_ut_trace(u32 line_number,
 254               const char *function_name,
 255               const char *module_name, u32 component_id);
 256
 257 void
 258 acpi_ut_trace_ptr(u32 line_number,
 259                   const char *function_name,
 260                   const char *module_name, u32 component_id, void *pointer);
 261
 262 void
 263 acpi_ut_trace_u32(u32 line_number,
 264                   const char *function_name,
 265                   const char *module_name, u32 component_id, u32 integer);
 266
 267 void
 268 acpi_ut_trace_str(u32 line_number,
 269                   const char *function_name,
 270                   const char *module_name, u32 component_id, char *string);
 271
 272 void
 273 acpi_ut_exit(u32 line_number,
 274              const char *function_name,
 275              const char *module_name, u32 component_id);
 276
 277 void
 278 acpi_ut_status_exit(u32 line_number,
 279                     const char *function_name,
 280                     const char *module_name,
 281                     u32 component_id, acpi_status status);
 282
 283 void
 284 acpi_ut_value_exit(u32 line_number,
 285                    const char *function_name,
 286                    const char *module_name, u32 component_id, u64 value);
 287
 288 void
 289 acpi_ut_ptr_exit(u32 line_number,
 290                  const char *function_name,
 291                  const char *module_name, u32 component_id, u8 *ptr);
 292
 293 void
 294 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
 295
 296 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
 297
 298 #ifdef ACPI_APPLICATION
 299 void
 300 acpi_ut_dump_buffer_to_file(ACPI_FILE file,
 301                             u8 *buffer,
 302                             u32 count, u32 display, u32 base_offset);
 303 #endif
 304
 305 void acpi_ut_report_error(char *module_name, u32 line_number);
 306
 307 void acpi_ut_report_info(char *module_name, u32 line_number);
 308
 309 void acpi_ut_report_warning(char *module_name, u32 line_number);
 310
 311 /*
 312  * utdelete - Object deletion and reference counts
 313  */
 314 void acpi_ut_add_reference(union acpi_operand_object *object);
 315
 316 void acpi_ut_remove_reference(union acpi_operand_object *object);
 317
 318 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
 319
 320 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
 321
 322 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
 323
 324 /*
 325  * uteval - object evaluation
 326  */
 327 acpi_status
 328 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
 329                         char *path,
 330                         u32 expected_return_btypes,
 331                         union acpi_operand_object **return_desc);
 332
 333 acpi_status
 334 acpi_ut_evaluate_numeric_object(char *object_name,
 335                                 struct acpi_namespace_node *device_node,
 336                                 u64 *value);
 337
 338 acpi_status
 339 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
 340
 341 acpi_status
 342 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
 343                               const char **method_names,
 344                               u8 method_count, u8 *out_values);
 345
 346 /*
 347  * utfileio - file operations
 348  */
 349 #ifdef ACPI_APPLICATION
 350 acpi_status
 351 acpi_ut_read_table_from_file(char *filename, struct acpi_table_header **table);
 352 #endif
 353
 354 /*
 355  * utids - device ID support
 356  */
 357 acpi_status
 358 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
 359                     struct acpi_pnp_device_id ** return_id);
 360
 361 acpi_status
 362 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
 363                     struct acpi_pnp_device_id ** return_id);
 364
 365 acpi_status
 366 acpi_ut_execute_SUB(struct acpi_namespace_node *device_node,
 367                     struct acpi_pnp_device_id **return_id);
 368
 369 acpi_status
 370 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
 371                     struct acpi_pnp_device_id_list ** return_cid_list);
 372
 373 acpi_status
 374 acpi_ut_execute_CLS(struct acpi_namespace_node *device_node,
 375                     struct acpi_pnp_device_id **return_id);
 376
 377 /*
 378  * utlock - reader/writer locks
 379  */
 380 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
 381
 382 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
 383
 384 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
 385
 386 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
 387
 388 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
 389
 390 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
 391
 392 /*
 393  * utobject - internal object create/delete/cache routines
 394  */
 395 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
 396                                                               *module_name,
 397                                                               u32 line_number,
 398                                                               u32 component_id,
 399                                                               acpi_object_type
 400                                                               type);
 401
 402 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
 403                                        u32 line_number, u32 component_id);
 404
 405 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
 406 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
 407
 408 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
 409
 410 u8 acpi_ut_valid_internal_object(void *object);
 411
 412 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
 413
 414 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
 415
 416 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 417
 418 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
 419
 420 acpi_status
 421 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
 422
 423 /*
 424  * utosi - Support for the _OSI predefined control method
 425  */
 426 acpi_status acpi_ut_initialize_interfaces(void);
 427
 428 acpi_status acpi_ut_interface_terminate(void);
 429
 430 acpi_status acpi_ut_install_interface(acpi_string interface_name);
 431
 432 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
 433
 434 acpi_status acpi_ut_update_interfaces(u8 action);
 435
 436 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
 437
 438 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
 439
 440 /*
 441  * utpredef - support for predefined names
 442  */
 443 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
 444                                                                      acpi_predefined_info
 445                                                                      *this_name);
 446
 447 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
 448
 449 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
 450
 451 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
 452 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
 453
 454 void
 455 acpi_ut_display_predefined_method(char *buffer,
 456                                   const union acpi_predefined_info *this_name,
 457                                   u8 multi_line);
 458
 459 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
 460 #endif
 461
 462 /*
 463  * utstate - Generic state creation/cache routines
 464  */
 465 void
 466 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
 467                            union acpi_generic_state *state);
 468
 469 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
 470                                                     **list_head);
 471
 472 union acpi_generic_state *acpi_ut_create_generic_state(void);
 473
 474 struct acpi_thread_state *acpi_ut_create_thread_state(void);
 475
 476 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
 477                                                       *object, u16 action);
 478
 479 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
 480                                                    void *external_object,
 481                                                    u16 index);
 482
 483 acpi_status
 484 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
 485                                      u16 action,
 486                                      union acpi_generic_state **state_list);
 487
 488 union acpi_generic_state *acpi_ut_create_control_state(void);
 489
 490 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
 491
 492 /*
 493  * utmath
 494  */
 495 acpi_status
 496 acpi_ut_divide(u64 in_dividend,
 497                u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
 498
 499 acpi_status
 500 acpi_ut_short_divide(u64 in_dividend,
 501                      u32 divisor, u64 *out_quotient, u32 *out_remainder);
 502
 503 /*
 504  * utmisc
 505  */
 506 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
 507                                                              status);
 508
 509 u8 acpi_ut_is_pci_root_bridge(char *id);
 510
 511 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP)
 512 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
 513 #endif
 514
 515 acpi_status
 516 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
 517                           void *target_object,
 518                           acpi_pkg_callback walk_callback, void *context);
 519
 520 /* Values for Base above (16=Hex, 10=Decimal) */
 521
 522 #define ACPI_ANY_BASE        0
 523
 524 u32 acpi_ut_dword_byte_swap(u32 value);
 525
 526 void acpi_ut_set_integer_width(u8 revision);
 527
 528 #ifdef ACPI_DEBUG_OUTPUT
 529 void
 530 acpi_ut_display_init_pathname(u8 type,
 531                               struct acpi_namespace_node *obj_handle,
 532                               char *path);
 533 #endif
 534
 535 /*
 536  * utownerid - Support for Table/Method Owner IDs
 537  */
 538 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
 539
 540 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
 541
 542 /*
 543  * utresrc
 544  */
 545 acpi_status
 546 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
 547                            u8 *aml,
 548                            acpi_size aml_length,
 549                            acpi_walk_aml_callback user_function,
 550                            void **context);
 551
 552 acpi_status
 553 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
 554                           void *aml, u8 *return_index);
 555
 556 u32 acpi_ut_get_descriptor_length(void *aml);
 557
 558 u16 acpi_ut_get_resource_length(void *aml);
 559
 560 u8 acpi_ut_get_resource_header_length(void *aml);
 561
 562 u8 acpi_ut_get_resource_type(void *aml);
 563
 564 acpi_status
 565 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
 566
 567 /*
 568  * utstring - String and character utilities
 569  */
 570 void acpi_ut_strupr(char *src_string);
 571
 572 #ifdef ACPI_ASL_COMPILER
 573 void acpi_ut_strlwr(char *src_string);
 574
 575 int acpi_ut_stricmp(char *string1, char *string2);
 576 #endif
 577
 578 acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
 579
 580 void acpi_ut_print_string(char *string, u16 max_length);
 581
 582 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
 583 void ut_convert_backslashes(char *pathname);
 584 #endif
 585
 586 u8 acpi_ut_valid_acpi_name(char *name);
 587
 588 u8 acpi_ut_valid_acpi_char(char character, u32 position);
 589
 590 void acpi_ut_repair_name(char *name);
 591
 592 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
 593 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
 594
 595 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
 596
 597 u8
 598 acpi_ut_safe_strncat(char *dest,
 599                      acpi_size dest_size,
 600                      char *source, acpi_size max_transfer_length);
 601 #endif
 602
 603 /*
 604  * utmutex - mutex support
 605  */
 606 acpi_status acpi_ut_mutex_initialize(void);
 607
 608 void acpi_ut_mutex_terminate(void);
 609
 610 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
 611
 612 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
 613
 614 /*
 615  * utalloc - memory allocation and object caching
 616  */
 617 acpi_status acpi_ut_create_caches(void);
 618
 619 acpi_status acpi_ut_delete_caches(void);
 620
 621 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
 622
 623 acpi_status
 624 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
 625                           acpi_size required_length);
 626
 627 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 628 void *acpi_ut_allocate_and_track(acpi_size size,
 629                                  u32 component, const char *module, u32 line);
 630
 631 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
 632                                         u32 component,
 633                                         const char *module, u32 line);
 634
 635 void
 636 acpi_ut_free_and_track(void *address,
 637                        u32 component, const char *module, u32 line);
 638
 639 #ifdef  ACPI_FUTURE_USAGE
 640 void acpi_ut_dump_allocation_info(void);
 641 #endif                          /* ACPI_FUTURE_USAGE */
 642
 643 void acpi_ut_dump_allocations(u32 component, const char *module);
 644
 645 acpi_status
 646 acpi_ut_create_list(char *list_name,
 647                     u16 object_size, struct acpi_memory_list **return_cache);
 648
 649 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */
 650
 651 /*
 652  * utaddress - address range check
 653  */
 654 acpi_status
 655 acpi_ut_add_address_range(acpi_adr_space_type space_id,
 656                           acpi_physical_address address,
 657                           u32 length, struct acpi_namespace_node *region_node);
 658
 659 void
 660 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
 661                              struct acpi_namespace_node *region_node);
 662
 663 u32
 664 acpi_ut_check_address_range(acpi_adr_space_type space_id,
 665                             acpi_physical_address address, u32 length, u8 warn);
 666
 667 void acpi_ut_delete_address_lists(void);
 668
 669 /*
 670  * utxferror - various error/warning output functions
 671  */
 672 void ACPI_INTERNAL_VAR_XFACE
 673 acpi_ut_predefined_warning(const char *module_name,
 674                            u32 line_number,
 675                            char *pathname,
 676                            u8 node_flags, const char *format, ...);
 677
 678 void ACPI_INTERNAL_VAR_XFACE
 679 acpi_ut_predefined_info(const char *module_name,
 680                         u32 line_number,
 681                         char *pathname, u8 node_flags, const char *format, ...);
 682
 683 void ACPI_INTERNAL_VAR_XFACE
 684 acpi_ut_predefined_bios_error(const char *module_name,
 685                               u32 line_number,
 686                               char *pathname,
 687                               u8 node_flags, const char *format, ...);
 688
 689 void
 690 acpi_ut_namespace_error(const char *module_name,
 691                         u32 line_number,
 692                         const char *internal_name, acpi_status lookup_status);
 693
 694 void
 695 acpi_ut_method_error(const char *module_name,
 696                      u32 line_number,
 697                      const char *message,
 698                      struct acpi_namespace_node *node,
 699                      const char *path, acpi_status lookup_status);
 700
 701 /*
 702  * Utility functions for ACPI names and IDs
 703  */
 704 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
 705
 706 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
 707
 708 const char *acpi_ah_match_uuid(u8 *data);
 709
 710 /*
 711  * utprint - printf/vprintf output functions
 712  */
 713 const char *acpi_ut_scan_number(const char *string, u64 *number_ptr);
 714
 715 const char *acpi_ut_print_number(char *string, u64 number);
 716
 717 int
 718 acpi_ut_vsnprintf(char *string,
 719                   acpi_size size, const char *format, va_list args);
 720
 721 int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...);
 722
 723 #ifdef ACPI_APPLICATION
 724 int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args);
 725
 726 int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...);
 727 #endif
 728
 729 /*
 730  * utuuid -- UUID support functions
 731  */
 732 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
 733 void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer);
 734 #endif
 735
 736 #endif                          /* _ACUTILS_H */