drivers/acpi/acpica/acutils.h

   1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
   5  *
   6  * Copyright (C) 2000 - 2018, Intel Corp.
   7  *
   8  *****************************************************************************/
   9
  10 #ifndef _ACUTILS_H
  11 #define _ACUTILS_H
  12
  13 extern const u8 acpi_gbl_resource_aml_sizes[];
  14 extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[];
  15
  16 /* Strings used by the disassembler and debugger resource dump routines */
  17
  18 #if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
  19
  20 extern const char *acpi_gbl_bm_decode[];
  21 extern const char *acpi_gbl_config_decode[];
  22 extern const char *acpi_gbl_consume_decode[];
  23 extern const char *acpi_gbl_dec_decode[];
  24 extern const char *acpi_gbl_he_decode[];
  25 extern const char *acpi_gbl_io_decode[];
  26 extern const char *acpi_gbl_ll_decode[];
  27 extern const char *acpi_gbl_max_decode[];
  28 extern const char *acpi_gbl_mem_decode[];
  29 extern const char *acpi_gbl_min_decode[];
  30 extern const char *acpi_gbl_mtp_decode[];
  31 extern const char *acpi_gbl_rng_decode[];
  32 extern const char *acpi_gbl_rw_decode[];
  33 extern const char *acpi_gbl_shr_decode[];
  34 extern const char *acpi_gbl_siz_decode[];
  35 extern const char *acpi_gbl_trs_decode[];
  36 extern const char *acpi_gbl_ttp_decode[];
  37 extern const char *acpi_gbl_typ_decode[];
  38 extern const char *acpi_gbl_ppc_decode[];
  39 extern const char *acpi_gbl_ior_decode[];
  40 extern const char *acpi_gbl_dts_decode[];
  41 extern const char *acpi_gbl_ct_decode[];
  42 extern const char *acpi_gbl_sbt_decode[];
  43 extern const char *acpi_gbl_am_decode[];
  44 extern const char *acpi_gbl_sm_decode[];
  45 extern const char *acpi_gbl_wm_decode[];
  46 extern const char *acpi_gbl_cph_decode[];
  47 extern const char *acpi_gbl_cpo_decode[];
  48 extern const char *acpi_gbl_dp_decode[];
  49 extern const char *acpi_gbl_ed_decode[];
  50 extern const char *acpi_gbl_bpb_decode[];
  51 extern const char *acpi_gbl_sb_decode[];
  52 extern const char *acpi_gbl_fc_decode[];
  53 extern const char *acpi_gbl_pt_decode[];
  54 extern const char *acpi_gbl_ptyp_decode[];
  55 #endif
  56
  57 /*
  58  * For the iASL compiler case, the output is redirected to stderr so that
  59  * any of the various ACPI errors and warnings do not appear in the output
  60  * files, for either the compiler or disassembler portions of the tool.
  61  */
  62 #ifdef ACPI_ASL_COMPILER
  63
  64 #include <stdio.h>
  65
  66 #define ACPI_MSG_REDIRECT_BEGIN \
  67         FILE                            *output_file = acpi_gbl_output_file; \
  68         acpi_os_redirect_output (stderr);
  69
  70 #define ACPI_MSG_REDIRECT_END \
  71         acpi_os_redirect_output (output_file);
  72
  73 #else
  74 /*
  75  * non-iASL case - no redirection, nothing to do
  76  */
  77 #define ACPI_MSG_REDIRECT_BEGIN
  78 #define ACPI_MSG_REDIRECT_END
  79 #endif
  80
  81 /*
  82  * Common error message prefixes
  83  */
  84 #ifndef ACPI_MSG_ERROR
  85 #define ACPI_MSG_ERROR          "ACPI Error: "
  86 #endif
  87 #ifndef ACPI_MSG_WARNING
  88 #define ACPI_MSG_WARNING        "ACPI Warning: "
  89 #endif
  90 #ifndef ACPI_MSG_INFO
  91 #define ACPI_MSG_INFO           "ACPI: "
  92 #endif
  93
  94 #ifndef ACPI_MSG_BIOS_ERROR
  95 #define ACPI_MSG_BIOS_ERROR     "Firmware Error (ACPI): "
  96 #endif
  97 #ifndef ACPI_MSG_BIOS_WARNING
  98 #define ACPI_MSG_BIOS_WARNING   "Firmware Warning (ACPI): "
  99 #endif
 100
 101 /*
 102  * Common message suffix
 103  */
 104 #define ACPI_MSG_SUFFIX \
 105         acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
 106
 107 /* Flags to indicate implicit or explicit string-to-integer conversion */
 108
 109 #define ACPI_IMPLICIT_CONVERSION        TRUE
 110 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
 111
 112 /* Types for Resource descriptor entries */
 113
 114 #define ACPI_INVALID_RESOURCE           0
 115 #define ACPI_FIXED_LENGTH               1
 116 #define ACPI_VARIABLE_LENGTH            2
 117 #define ACPI_SMALL_VARIABLE_LENGTH      3
 118
 119 typedef
 120 acpi_status (*acpi_walk_aml_callback) (u8 *aml,
 121                                        u32 length,
 122                                        u32 offset,
 123                                        u8 resource_index, void **context);
 124
 125 typedef
 126 acpi_status (*acpi_pkg_callback) (u8 object_type,
 127                                   union acpi_operand_object * source_object,
 128                                   union acpi_generic_state * state,
 129                                   void *context);
 130
 131 struct acpi_pkg_info {
 132         u8 *free_space;
 133         acpi_size length;
 134         u32 object_space;
 135         u32 num_packages;
 136 };
 137
 138 /* Object reference counts */
 139
 140 #define REF_INCREMENT       (u16) 0
 141 #define REF_DECREMENT       (u16) 1
 142
 143 /* acpi_ut_dump_buffer */
 144
 145 #define DB_BYTE_DISPLAY     1
 146 #define DB_WORD_DISPLAY     2
 147 #define DB_DWORD_DISPLAY    4
 148 #define DB_QWORD_DISPLAY    8
 149
 150 /*
 151  * utascii - ASCII utilities
 152  */
 153 u8 acpi_ut_valid_nameseg(char *signature);
 154
 155 u8 acpi_ut_valid_name_char(char character, u32 position);
 156
 157 void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count);
 158
 159 /*
 160  * utnonansi - Non-ANSI C library functions
 161  */
 162 void acpi_ut_strupr(char *src_string);
 163
 164 void acpi_ut_strlwr(char *src_string);
 165
 166 int acpi_ut_stricmp(char *string1, char *string2);
 167
 168 /*
 169  * utstrsuppt - string-to-integer conversion support functions
 170  */
 171 acpi_status acpi_ut_convert_octal_string(char *string, u64 *return_value);
 172
 173 acpi_status acpi_ut_convert_decimal_string(char *string, u64 *return_value_ptr);
 174
 175 acpi_status acpi_ut_convert_hex_string(char *string, u64 *return_value_ptr);
 176
 177 char acpi_ut_remove_whitespace(char **string);
 178
 179 char acpi_ut_remove_leading_zeros(char **string);
 180
 181 u8 acpi_ut_detect_hex_prefix(char **string);
 182
 183 u8 acpi_ut_detect_octal_prefix(char **string);
 184
 185 /*
 186  * utstrtoul64 - string-to-integer conversion functions
 187  */
 188 acpi_status acpi_ut_strtoul64(char *string, u64 *ret_integer);
 189
 190 u64 acpi_ut_explicit_strtoul64(char *string);
 191
 192 u64 acpi_ut_implicit_strtoul64(char *string);
 193
 194 /*
 195  * utglobal - Global data structures and procedures
 196  */
 197 acpi_status acpi_ut_init_globals(void);
 198
 199 const char *acpi_ut_get_mutex_name(u32 mutex_id);
 200
 201 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 202
 203 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
 204 #endif
 205
 206 const char *acpi_ut_get_type_name(acpi_object_type type);
 207
 208 const char *acpi_ut_get_node_name(void *object);
 209
 210 const char *acpi_ut_get_descriptor_name(void *object);
 211
 212 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
 213
 214 const char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
 215
 216 const char *acpi_ut_get_region_name(u8 space_id);
 217
 218 const char *acpi_ut_get_event_name(u32 event_id);
 219
 220 const char *acpi_ut_get_argument_type_name(u32 arg_type);
 221
 222 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
 223
 224 acpi_status acpi_ut_ascii_to_hex_byte(char *two_ascii_chars, u8 *return_byte);
 225
 226 u8 acpi_ut_ascii_char_to_hex(int hex_char);
 227
 228 u8 acpi_ut_valid_object_type(acpi_object_type type);
 229
 230 /*
 231  * utinit - miscellaneous initialization and shutdown
 232  */
 233 acpi_status acpi_ut_hardware_initialize(void);
 234
 235 void acpi_ut_subsystem_shutdown(void);
 236
 237 /*
 238  * utcopy - Object construction and conversion interfaces
 239  */
 240 acpi_status
 241 acpi_ut_build_simple_object(union acpi_operand_object *obj,
 242                             union acpi_object *user_obj,
 243                             u8 *data_space, u32 *buffer_space_used);
 244
 245 acpi_status
 246 acpi_ut_build_package_object(union acpi_operand_object *obj,
 247                              u8 *buffer, u32 *space_used);
 248
 249 acpi_status
 250 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
 251                                 struct acpi_buffer *ret_buffer);
 252
 253 acpi_status
 254 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
 255                                 union acpi_operand_object **internal_obj);
 256
 257 acpi_status
 258 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
 259                                 union acpi_operand_object *dest_obj);
 260
 261 acpi_status
 262 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
 263                                 union acpi_operand_object **dest_desc,
 264                                 struct acpi_walk_state *walk_state);
 265
 266 /*
 267  * utcreate - Object creation
 268  */
 269 acpi_status
 270 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
 271
 272 /*
 273  * utdebug - Debug interfaces
 274  */
 275 void acpi_ut_init_stack_ptr_trace(void);
 276
 277 void acpi_ut_track_stack_ptr(void);
 278
 279 void
 280 acpi_ut_trace(u32 line_number,
 281               const char *function_name,
 282               const char *module_name, u32 component_id);
 283
 284 void
 285 acpi_ut_trace_ptr(u32 line_number,
 286                   const char *function_name,
 287                   const char *module_name,
 288                   u32 component_id, const void *pointer);
 289
 290 void
 291 acpi_ut_trace_u32(u32 line_number,
 292                   const char *function_name,
 293                   const char *module_name, u32 component_id, u32 integer);
 294
 295 void
 296 acpi_ut_trace_str(u32 line_number,
 297                   const char *function_name,
 298                   const char *module_name,
 299                   u32 component_id, const char *string);
 300
 301 void
 302 acpi_ut_exit(u32 line_number,
 303              const char *function_name,
 304              const char *module_name, u32 component_id);
 305
 306 void
 307 acpi_ut_status_exit(u32 line_number,
 308                     const char *function_name,
 309                     const char *module_name,
 310                     u32 component_id, acpi_status status);
 311
 312 void
 313 acpi_ut_value_exit(u32 line_number,
 314                    const char *function_name,
 315                    const char *module_name, u32 component_id, u64 value);
 316
 317 void
 318 acpi_ut_ptr_exit(u32 line_number,
 319                  const char *function_name,
 320                  const char *module_name, u32 component_id, u8 *ptr);
 321
 322 void
 323 acpi_ut_str_exit(u32 line_number,
 324                  const char *function_name,
 325                  const char *module_name, u32 component_id, const char *string);
 326
 327 void
 328 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
 329
 330 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
 331
 332 #ifdef ACPI_APPLICATION
 333 void
 334 acpi_ut_dump_buffer_to_file(ACPI_FILE file,
 335                             u8 *buffer,
 336                             u32 count, u32 display, u32 base_offset);
 337 #endif
 338
 339 void acpi_ut_report_error(char *module_name, u32 line_number);
 340
 341 void acpi_ut_report_info(char *module_name, u32 line_number);
 342
 343 void acpi_ut_report_warning(char *module_name, u32 line_number);
 344
 345 /*
 346  * utdelete - Object deletion and reference counts
 347  */
 348 void acpi_ut_add_reference(union acpi_operand_object *object);
 349
 350 void acpi_ut_remove_reference(union acpi_operand_object *object);
 351
 352 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
 353
 354 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
 355
 356 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
 357
 358 /*
 359  * uteval - object evaluation
 360  */
 361 acpi_status
 362 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
 363                         const char *path,
 364                         u32 expected_return_btypes,
 365                         union acpi_operand_object **return_desc);
 366
 367 acpi_status
 368 acpi_ut_evaluate_numeric_object(const char *object_name,
 369                                 struct acpi_namespace_node *device_node,
 370                                 u64 *value);
 371
 372 acpi_status
 373 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
 374
 375 acpi_status
 376 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
 377                               const char **method_names,
 378                               u8 method_count, u8 *out_values);
 379
 380 /*
 381  * utids - device ID support
 382  */
 383 acpi_status
 384 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
 385                     struct acpi_pnp_device_id ** return_id);
 386
 387 acpi_status
 388 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
 389                     struct acpi_pnp_device_id ** return_id);
 390
 391 acpi_status
 392 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
 393                     struct acpi_pnp_device_id_list ** return_cid_list);
 394
 395 acpi_status
 396 acpi_ut_execute_CLS(struct acpi_namespace_node *device_node,
 397                     struct acpi_pnp_device_id **return_id);
 398
 399 /*
 400  * utlock - reader/writer locks
 401  */
 402 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
 403
 404 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
 405
 406 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
 407
 408 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
 409
 410 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
 411
 412 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
 413
 414 /*
 415  * utobject - internal object create/delete/cache routines
 416  */
 417 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
 418                                                               *module_name,
 419                                                               u32 line_number,
 420                                                               u32 component_id,
 421                                                               acpi_object_type
 422                                                               type);
 423
 424 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
 425                                        u32 line_number, u32 component_id);
 426
 427 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
 428 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
 429
 430 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
 431
 432 u8 acpi_ut_valid_internal_object(void *object);
 433
 434 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
 435
 436 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
 437
 438 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 439
 440 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
 441
 442 acpi_status
 443 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size *obj_length);
 444
 445 /*
 446  * utosi - Support for the _OSI predefined control method
 447  */
 448 acpi_status acpi_ut_initialize_interfaces(void);
 449
 450 acpi_status acpi_ut_interface_terminate(void);
 451
 452 acpi_status acpi_ut_install_interface(acpi_string interface_name);
 453
 454 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
 455
 456 acpi_status acpi_ut_update_interfaces(u8 action);
 457
 458 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
 459
 460 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
 461
 462 /*
 463  * utpredef - support for predefined names
 464  */
 465 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
 466                                                                      acpi_predefined_info
 467                                                                      *this_name);
 468
 469 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
 470
 471 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
 472
 473 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
 474 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
 475
 476 void
 477 acpi_ut_display_predefined_method(char *buffer,
 478                                   const union acpi_predefined_info *this_name,
 479                                   u8 multi_line);
 480
 481 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
 482 #endif
 483
 484 /*
 485  * utstate - Generic state creation/cache routines
 486  */
 487 void
 488 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
 489                            union acpi_generic_state *state);
 490
 491 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
 492                                                     **list_head);
 493
 494 union acpi_generic_state *acpi_ut_create_generic_state(void);
 495
 496 struct acpi_thread_state *acpi_ut_create_thread_state(void);
 497
 498 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
 499                                                       *object, u16 action);
 500
 501 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
 502                                                    void *external_object,
 503                                                    u32 index);
 504
 505 acpi_status
 506 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
 507                                      u16 action,
 508                                      union acpi_generic_state **state_list);
 509
 510 union acpi_generic_state *acpi_ut_create_control_state(void);
 511
 512 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
 513
 514 /*
 515  * utmath
 516  */
 517 acpi_status
 518 acpi_ut_divide(u64 in_dividend,
 519                u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
 520
 521 acpi_status
 522 acpi_ut_short_divide(u64 in_dividend,
 523                      u32 divisor, u64 *out_quotient, u32 *out_remainder);
 524
 525 acpi_status
 526 acpi_ut_short_multiply(u64 in_multiplicand, u32 multiplier, u64 *outproduct);
 527
 528 acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result);
 529
 530 acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result);
 531
 532 /*
 533  * utmisc
 534  */
 535 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
 536                                                              status);
 537
 538 u8 acpi_ut_is_pci_root_bridge(char *id);
 539
 540 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
 541 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
 542 #endif
 543
 544 acpi_status
 545 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
 546                           void *target_object,
 547                           acpi_pkg_callback walk_callback, void *context);
 548
 549 /* Values for Base above (16=Hex, 10=Decimal) */
 550
 551 #define ACPI_ANY_BASE        0
 552
 553 u32 acpi_ut_dword_byte_swap(u32 value);
 554
 555 void acpi_ut_set_integer_width(u8 revision);
 556
 557 #ifdef ACPI_DEBUG_OUTPUT
 558 void
 559 acpi_ut_display_init_pathname(u8 type,
 560                               struct acpi_namespace_node *obj_handle,
 561                               const char *path);
 562 #endif
 563
 564 /*
 565  * utownerid - Support for Table/Method Owner IDs
 566  */
 567 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id);
 568
 569 void acpi_ut_release_owner_id(acpi_owner_id *owner_id);
 570
 571 /*
 572  * utresrc
 573  */
 574 acpi_status
 575 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
 576                            u8 *aml,
 577                            acpi_size aml_length,
 578                            acpi_walk_aml_callback user_function,
 579                            void **context);
 580
 581 acpi_status
 582 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
 583                           void *aml, u8 *return_index);
 584
 585 u32 acpi_ut_get_descriptor_length(void *aml);
 586
 587 u16 acpi_ut_get_resource_length(void *aml);
 588
 589 u8 acpi_ut_get_resource_header_length(void *aml);
 590
 591 u8 acpi_ut_get_resource_type(void *aml);
 592
 593 acpi_status
 594 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
 595
 596 /*
 597  * utstring - String and character utilities
 598  */
 599 void acpi_ut_print_string(char *string, u16 max_length);
 600
 601 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
 602 void ut_convert_backslashes(char *pathname);
 603 #endif
 604
 605 void acpi_ut_repair_name(char *name);
 606
 607 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT)
 608 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
 609
 610 void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size);
 611
 612 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
 613
 614 u8
 615 acpi_ut_safe_strncat(char *dest,
 616                      acpi_size dest_size,
 617                      char *source, acpi_size max_transfer_length);
 618 #endif
 619
 620 /*
 621  * utmutex - mutex support
 622  */
 623 acpi_status acpi_ut_mutex_initialize(void);
 624
 625 void acpi_ut_mutex_terminate(void);
 626
 627 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
 628
 629 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
 630
 631 /*
 632  * utalloc - memory allocation and object caching
 633  */
 634 acpi_status acpi_ut_create_caches(void);
 635
 636 acpi_status acpi_ut_delete_caches(void);
 637
 638 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
 639
 640 acpi_status
 641 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
 642                           acpi_size required_length);
 643
 644 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 645 void *acpi_ut_allocate_and_track(acpi_size size,
 646                                  u32 component, const char *module, u32 line);
 647
 648 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
 649                                         u32 component,
 650                                         const char *module, u32 line);
 651
 652 void
 653 acpi_ut_free_and_track(void *address,
 654                        u32 component, const char *module, u32 line);
 655
 656 void acpi_ut_dump_allocation_info(void);
 657
 658 void acpi_ut_dump_allocations(u32 component, const char *module);
 659
 660 acpi_status
 661 acpi_ut_create_list(const char *list_name,
 662                     u16 object_size, struct acpi_memory_list **return_cache);
 663
 664 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */
 665
 666 /*
 667  * utaddress - address range check
 668  */
 669 acpi_status
 670 acpi_ut_add_address_range(acpi_adr_space_type space_id,
 671                           acpi_physical_address address,
 672                           u32 length, struct acpi_namespace_node *region_node);
 673
 674 void
 675 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
 676                              struct acpi_namespace_node *region_node);
 677
 678 u32
 679 acpi_ut_check_address_range(acpi_adr_space_type space_id,
 680                             acpi_physical_address address, u32 length, u8 warn);
 681
 682 void acpi_ut_delete_address_lists(void);
 683
 684 /*
 685  * utxferror - various error/warning output functions
 686  */
 687 void ACPI_INTERNAL_VAR_XFACE
 688 acpi_ut_predefined_warning(const char *module_name,
 689                            u32 line_number,
 690                            char *pathname,
 691                            u8 node_flags, const char *format, ...);
 692
 693 void ACPI_INTERNAL_VAR_XFACE
 694 acpi_ut_predefined_info(const char *module_name,
 695                         u32 line_number,
 696                         char *pathname, u8 node_flags, const char *format, ...);
 697
 698 void ACPI_INTERNAL_VAR_XFACE
 699 acpi_ut_predefined_bios_error(const char *module_name,
 700                               u32 line_number,
 701                               char *pathname,
 702                               u8 node_flags, const char *format, ...);
 703
 704 void
 705 acpi_ut_prefixed_namespace_error(const char *module_name,
 706                                  u32 line_number,
 707                                  union acpi_generic_state *prefix_scope,
 708                                  const char *internal_name,
 709                                  acpi_status lookup_status);
 710
 711 void
 712 acpi_ut_method_error(const char *module_name,
 713                      u32 line_number,
 714                      const char *message,
 715                      struct acpi_namespace_node *node,
 716                      const char *path, acpi_status lookup_status);
 717
 718 /*
 719  * Utility functions for ACPI names and IDs
 720  */
 721 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
 722
 723 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
 724
 725 const char *acpi_ah_match_uuid(u8 *data);
 726
 727 /*
 728  * utuuid -- UUID support functions
 729  */
 730 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
 731 void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer);
 732 #endif
 733
 734 #endif                          /* _ACUTILS_H */