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 - 2016, 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  * utnonansi - Non-ANSI C library functions
 171  */
 172 void acpi_ut_strupr(char *src_string);
 173
 174 void acpi_ut_strlwr(char *src_string);
 175
 176 int acpi_ut_stricmp(char *string1, char *string2);
 177
 178 acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
 179
 180 /*
 181  * utglobal - Global data structures and procedures
 182  */
 183 acpi_status acpi_ut_init_globals(void);
 184
 185 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 186
 187 const char *acpi_ut_get_mutex_name(u32 mutex_id);
 188
 189 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
 190 #endif
 191
 192 const char *acpi_ut_get_type_name(acpi_object_type type);
 193
 194 const char *acpi_ut_get_node_name(void *object);
 195
 196 const char *acpi_ut_get_descriptor_name(void *object);
 197
 198 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
 199
 200 const char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
 201
 202 const char *acpi_ut_get_region_name(u8 space_id);
 203
 204 const char *acpi_ut_get_event_name(u32 event_id);
 205
 206 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
 207
 208 u8 acpi_ut_ascii_char_to_hex(int hex_char);
 209
 210 u8 acpi_ut_valid_object_type(acpi_object_type type);
 211
 212 /*
 213  * utinit - miscellaneous initialization and shutdown
 214  */
 215 acpi_status acpi_ut_hardware_initialize(void);
 216
 217 void acpi_ut_subsystem_shutdown(void);
 218
 219 /*
 220  * utcopy - Object construction and conversion interfaces
 221  */
 222 acpi_status
 223 acpi_ut_build_simple_object(union acpi_operand_object *obj,
 224                             union acpi_object *user_obj,
 225                             u8 *data_space, u32 *buffer_space_used);
 226
 227 acpi_status
 228 acpi_ut_build_package_object(union acpi_operand_object *obj,
 229                              u8 *buffer, u32 *space_used);
 230
 231 acpi_status
 232 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
 233                                 struct acpi_buffer *ret_buffer);
 234
 235 acpi_status
 236 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
 237                                 union acpi_operand_object **internal_obj);
 238
 239 acpi_status
 240 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
 241                                 union acpi_operand_object *dest_obj);
 242
 243 acpi_status
 244 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
 245                                 union acpi_operand_object **dest_desc,
 246                                 struct acpi_walk_state *walk_state);
 247
 248 /*
 249  * utcreate - Object creation
 250  */
 251 acpi_status
 252 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
 253
 254 /*
 255  * utdebug - Debug interfaces
 256  */
 257 void acpi_ut_init_stack_ptr_trace(void);
 258
 259 void acpi_ut_track_stack_ptr(void);
 260
 261 void
 262 acpi_ut_trace(u32 line_number,
 263               const char *function_name,
 264               const char *module_name, u32 component_id);
 265
 266 void
 267 acpi_ut_trace_ptr(u32 line_number,
 268                   const char *function_name,
 269                   const char *module_name, u32 component_id, void *pointer);
 270
 271 void
 272 acpi_ut_trace_u32(u32 line_number,
 273                   const char *function_name,
 274                   const char *module_name, u32 component_id, u32 integer);
 275
 276 void
 277 acpi_ut_trace_str(u32 line_number,
 278                   const char *function_name,
 279                   const char *module_name, u32 component_id, char *string);
 280
 281 void
 282 acpi_ut_exit(u32 line_number,
 283              const char *function_name,
 284              const char *module_name, u32 component_id);
 285
 286 void
 287 acpi_ut_status_exit(u32 line_number,
 288                     const char *function_name,
 289                     const char *module_name,
 290                     u32 component_id, acpi_status status);
 291
 292 void
 293 acpi_ut_value_exit(u32 line_number,
 294                    const char *function_name,
 295                    const char *module_name, u32 component_id, u64 value);
 296
 297 void
 298 acpi_ut_ptr_exit(u32 line_number,
 299                  const char *function_name,
 300                  const char *module_name, u32 component_id, u8 *ptr);
 301
 302 void
 303 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
 304
 305 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
 306
 307 #ifdef ACPI_APPLICATION
 308 void
 309 acpi_ut_dump_buffer_to_file(ACPI_FILE file,
 310                             u8 *buffer,
 311                             u32 count, u32 display, u32 base_offset);
 312 #endif
 313
 314 void acpi_ut_report_error(char *module_name, u32 line_number);
 315
 316 void acpi_ut_report_info(char *module_name, u32 line_number);
 317
 318 void acpi_ut_report_warning(char *module_name, u32 line_number);
 319
 320 /*
 321  * utdelete - Object deletion and reference counts
 322  */
 323 void acpi_ut_add_reference(union acpi_operand_object *object);
 324
 325 void acpi_ut_remove_reference(union acpi_operand_object *object);
 326
 327 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
 328
 329 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
 330
 331 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
 332
 333 /*
 334  * uteval - object evaluation
 335  */
 336 acpi_status
 337 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
 338                         char *path,
 339                         u32 expected_return_btypes,
 340                         union acpi_operand_object **return_desc);
 341
 342 acpi_status
 343 acpi_ut_evaluate_numeric_object(char *object_name,
 344                                 struct acpi_namespace_node *device_node,
 345                                 u64 *value);
 346
 347 acpi_status
 348 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
 349
 350 acpi_status
 351 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
 352                               const char **method_names,
 353                               u8 method_count, u8 *out_values);
 354
 355 /*
 356  * utids - device ID support
 357  */
 358 acpi_status
 359 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
 360                     struct acpi_pnp_device_id ** return_id);
 361
 362 acpi_status
 363 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
 364                     struct acpi_pnp_device_id ** return_id);
 365
 366 acpi_status
 367 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
 368                     struct acpi_pnp_device_id_list ** return_cid_list);
 369
 370 acpi_status
 371 acpi_ut_execute_CLS(struct acpi_namespace_node *device_node,
 372                     struct acpi_pnp_device_id **return_id);
 373
 374 /*
 375  * utlock - reader/writer locks
 376  */
 377 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
 378
 379 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
 380
 381 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
 382
 383 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
 384
 385 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
 386
 387 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
 388
 389 /*
 390  * utobject - internal object create/delete/cache routines
 391  */
 392 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
 393                                                               *module_name,
 394                                                               u32 line_number,
 395                                                               u32 component_id,
 396                                                               acpi_object_type
 397                                                               type);
 398
 399 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
 400                                        u32 line_number, u32 component_id);
 401
 402 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
 403 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
 404
 405 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
 406
 407 u8 acpi_ut_valid_internal_object(void *object);
 408
 409 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
 410
 411 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
 412
 413 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 414
 415 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
 416
 417 acpi_status
 418 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
 419
 420 /*
 421  * utosi - Support for the _OSI predefined control method
 422  */
 423 acpi_status acpi_ut_initialize_interfaces(void);
 424
 425 acpi_status acpi_ut_interface_terminate(void);
 426
 427 acpi_status acpi_ut_install_interface(acpi_string interface_name);
 428
 429 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
 430
 431 acpi_status acpi_ut_update_interfaces(u8 action);
 432
 433 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
 434
 435 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
 436
 437 /*
 438  * utpredef - support for predefined names
 439  */
 440 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
 441                                                                      acpi_predefined_info
 442                                                                      *this_name);
 443
 444 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
 445
 446 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
 447
 448 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
 449 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
 450
 451 void
 452 acpi_ut_display_predefined_method(char *buffer,
 453                                   const union acpi_predefined_info *this_name,
 454                                   u8 multi_line);
 455
 456 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
 457 #endif
 458
 459 /*
 460  * utstate - Generic state creation/cache routines
 461  */
 462 void
 463 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
 464                            union acpi_generic_state *state);
 465
 466 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
 467                                                     **list_head);
 468
 469 union acpi_generic_state *acpi_ut_create_generic_state(void);
 470
 471 struct acpi_thread_state *acpi_ut_create_thread_state(void);
 472
 473 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
 474                                                       *object, u16 action);
 475
 476 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
 477                                                    void *external_object,
 478                                                    u16 index);
 479
 480 acpi_status
 481 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
 482                                      u16 action,
 483                                      union acpi_generic_state **state_list);
 484
 485 union acpi_generic_state *acpi_ut_create_control_state(void);
 486
 487 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
 488
 489 /*
 490  * utmath
 491  */
 492 acpi_status
 493 acpi_ut_divide(u64 in_dividend,
 494                u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
 495
 496 acpi_status
 497 acpi_ut_short_divide(u64 in_dividend,
 498                      u32 divisor, u64 *out_quotient, u32 *out_remainder);
 499
 500 /*
 501  * utmisc
 502  */
 503 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
 504                                                              status);
 505
 506 u8 acpi_ut_is_pci_root_bridge(char *id);
 507
 508 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
 509 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
 510 #endif
 511
 512 acpi_status
 513 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
 514                           void *target_object,
 515                           acpi_pkg_callback walk_callback, void *context);
 516
 517 /* Values for Base above (16=Hex, 10=Decimal) */
 518
 519 #define ACPI_ANY_BASE        0
 520
 521 u32 acpi_ut_dword_byte_swap(u32 value);
 522
 523 void acpi_ut_set_integer_width(u8 revision);
 524
 525 #ifdef ACPI_DEBUG_OUTPUT
 526 void
 527 acpi_ut_display_init_pathname(u8 type,
 528                               struct acpi_namespace_node *obj_handle,
 529                               char *path);
 530 #endif
 531
 532 /*
 533  * utownerid - Support for Table/Method Owner IDs
 534  */
 535 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
 536
 537 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
 538
 539 /*
 540  * utresrc
 541  */
 542 acpi_status
 543 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
 544                            u8 *aml,
 545                            acpi_size aml_length,
 546                            acpi_walk_aml_callback user_function,
 547                            void **context);
 548
 549 acpi_status
 550 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
 551                           void *aml, u8 *return_index);
 552
 553 u32 acpi_ut_get_descriptor_length(void *aml);
 554
 555 u16 acpi_ut_get_resource_length(void *aml);
 556
 557 u8 acpi_ut_get_resource_header_length(void *aml);
 558
 559 u8 acpi_ut_get_resource_type(void *aml);
 560
 561 acpi_status
 562 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
 563
 564 /*
 565  * utstring - String and character utilities
 566  */
 567 void acpi_ut_print_string(char *string, u16 max_length);
 568
 569 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
 570 void ut_convert_backslashes(char *pathname);
 571 #endif
 572
 573 u8 acpi_ut_valid_acpi_name(char *name);
 574
 575 u8 acpi_ut_valid_acpi_char(char character, u32 position);
 576
 577 void acpi_ut_repair_name(char *name);
 578
 579 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
 580 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
 581
 582 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
 583
 584 u8
 585 acpi_ut_safe_strncat(char *dest,
 586                      acpi_size dest_size,
 587                      char *source, acpi_size max_transfer_length);
 588 #endif
 589
 590 /*
 591  * utmutex - mutex support
 592  */
 593 acpi_status acpi_ut_mutex_initialize(void);
 594
 595 void acpi_ut_mutex_terminate(void);
 596
 597 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
 598
 599 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
 600
 601 /*
 602  * utalloc - memory allocation and object caching
 603  */
 604 acpi_status acpi_ut_create_caches(void);
 605
 606 acpi_status acpi_ut_delete_caches(void);
 607
 608 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
 609
 610 acpi_status
 611 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
 612                           acpi_size required_length);
 613
 614 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 615 void *acpi_ut_allocate_and_track(acpi_size size,
 616                                  u32 component, const char *module, u32 line);
 617
 618 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
 619                                         u32 component,
 620                                         const char *module, u32 line);
 621
 622 void
 623 acpi_ut_free_and_track(void *address,
 624                        u32 component, const char *module, u32 line);
 625
 626 void acpi_ut_dump_allocation_info(void);
 627
 628 void acpi_ut_dump_allocations(u32 component, const char *module);
 629
 630 acpi_status
 631 acpi_ut_create_list(char *list_name,
 632                     u16 object_size, struct acpi_memory_list **return_cache);
 633
 634 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */
 635
 636 /*
 637  * utaddress - address range check
 638  */
 639 acpi_status
 640 acpi_ut_add_address_range(acpi_adr_space_type space_id,
 641                           acpi_physical_address address,
 642                           u32 length, struct acpi_namespace_node *region_node);
 643
 644 void
 645 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
 646                              struct acpi_namespace_node *region_node);
 647
 648 u32
 649 acpi_ut_check_address_range(acpi_adr_space_type space_id,
 650                             acpi_physical_address address, u32 length, u8 warn);
 651
 652 void acpi_ut_delete_address_lists(void);
 653
 654 /*
 655  * utxferror - various error/warning output functions
 656  */
 657 void ACPI_INTERNAL_VAR_XFACE
 658 acpi_ut_predefined_warning(const char *module_name,
 659                            u32 line_number,
 660                            char *pathname,
 661                            u8 node_flags, const char *format, ...);
 662
 663 void ACPI_INTERNAL_VAR_XFACE
 664 acpi_ut_predefined_info(const char *module_name,
 665                         u32 line_number,
 666                         char *pathname, u8 node_flags, const char *format, ...);
 667
 668 void ACPI_INTERNAL_VAR_XFACE
 669 acpi_ut_predefined_bios_error(const char *module_name,
 670                               u32 line_number,
 671                               char *pathname,
 672                               u8 node_flags, const char *format, ...);
 673
 674 void
 675 acpi_ut_namespace_error(const char *module_name,
 676                         u32 line_number,
 677                         const char *internal_name, acpi_status lookup_status);
 678
 679 void
 680 acpi_ut_method_error(const char *module_name,
 681                      u32 line_number,
 682                      const char *message,
 683                      struct acpi_namespace_node *node,
 684                      const char *path, acpi_status lookup_status);
 685
 686 /*
 687  * Utility functions for ACPI names and IDs
 688  */
 689 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
 690
 691 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
 692
 693 const char *acpi_ah_match_uuid(u8 *data);
 694
 695 /*
 696  * utprint - printf/vprintf output functions
 697  */
 698 const char *acpi_ut_scan_number(const char *string, u64 *number_ptr);
 699
 700 const char *acpi_ut_print_number(char *string, u64 number);
 701
 702 int
 703 acpi_ut_vsnprintf(char *string,
 704                   acpi_size size, const char *format, va_list args);
 705
 706 int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...);
 707
 708 #ifdef ACPI_APPLICATION
 709 int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args);
 710
 711 int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...);
 712 #endif
 713
 714 /*
 715  * utuuid -- UUID support functions
 716  */
 717 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
 718 void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer);
 719 #endif
 720
 721 #endif                          /* _ACUTILS_H */