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 - 2013, 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_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 /* Types for Resource descriptor entries */
  91
  92 #define ACPI_INVALID_RESOURCE           0
  93 #define ACPI_FIXED_LENGTH               1
  94 #define ACPI_VARIABLE_LENGTH            2
  95 #define ACPI_SMALL_VARIABLE_LENGTH      3
  96
  97 typedef
  98 acpi_status(*acpi_walk_aml_callback) (u8 *aml,
  99                                       u32 length,
 100                                       u32 offset,
 101                                       u8 resource_index, void **context);
 102
 103 typedef
 104 acpi_status(*acpi_pkg_callback) (u8 object_type,
 105                                  union acpi_operand_object *source_object,
 106                                  union acpi_generic_state * state,
 107                                  void *context);
 108
 109 struct acpi_pkg_info {
 110         u8 *free_space;
 111         acpi_size length;
 112         u32 object_space;
 113         u32 num_packages;
 114 };
 115
 116 /* Object reference counts */
 117
 118 #define REF_INCREMENT       (u16) 0
 119 #define REF_DECREMENT       (u16) 1
 120
 121 /* acpi_ut_dump_buffer */
 122
 123 #define DB_BYTE_DISPLAY     1
 124 #define DB_WORD_DISPLAY     2
 125 #define DB_DWORD_DISPLAY    4
 126 #define DB_QWORD_DISPLAY    8
 127
 128 /*
 129  * utglobal - Global data structures and procedures
 130  */
 131 acpi_status acpi_ut_init_globals(void);
 132
 133 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 134
 135 char *acpi_ut_get_mutex_name(u32 mutex_id);
 136
 137 const char *acpi_ut_get_notify_name(u32 notify_value);
 138
 139 #endif
 140
 141 char *acpi_ut_get_type_name(acpi_object_type type);
 142
 143 char *acpi_ut_get_node_name(void *object);
 144
 145 char *acpi_ut_get_descriptor_name(void *object);
 146
 147 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
 148
 149 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
 150
 151 char *acpi_ut_get_region_name(u8 space_id);
 152
 153 char *acpi_ut_get_event_name(u32 event_id);
 154
 155 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
 156
 157 u8 acpi_ut_valid_object_type(acpi_object_type type);
 158
 159 /*
 160  * utinit - miscellaneous initialization and shutdown
 161  */
 162 acpi_status acpi_ut_hardware_initialize(void);
 163
 164 void acpi_ut_subsystem_shutdown(void);
 165
 166 /*
 167  * utclib - Local implementations of C library functions
 168  */
 169 #ifndef ACPI_USE_SYSTEM_CLIBRARY
 170
 171 acpi_size acpi_ut_strlen(const char *string);
 172
 173 char *acpi_ut_strcpy(char *dst_string, const char *src_string);
 174
 175 char *acpi_ut_strncpy(char *dst_string,
 176                       const char *src_string, acpi_size count);
 177
 178 int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
 179
 180 int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
 181
 182 int acpi_ut_strcmp(const char *string1, const char *string2);
 183
 184 char *acpi_ut_strcat(char *dst_string, const char *src_string);
 185
 186 char *acpi_ut_strncat(char *dst_string,
 187                       const char *src_string, acpi_size count);
 188
 189 u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
 190
 191 char *acpi_ut_strstr(char *string1, char *string2);
 192
 193 void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
 194
 195 void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
 196
 197 int acpi_ut_to_upper(int c);
 198
 199 int acpi_ut_to_lower(int c);
 200
 201 extern const u8 _acpi_ctype[];
 202
 203 #define _ACPI_XA     0x00       /* extra alphabetic - not supported */
 204 #define _ACPI_XS     0x40       /* extra space */
 205 #define _ACPI_BB     0x00       /* BEL, BS, etc. - not supported */
 206 #define _ACPI_CN     0x20       /* CR, FF, HT, NL, VT */
 207 #define _ACPI_DI     0x04       /* '0'-'9' */
 208 #define _ACPI_LO     0x02       /* 'a'-'z' */
 209 #define _ACPI_PU     0x10       /* punctuation */
 210 #define _ACPI_SP     0x08       /* space */
 211 #define _ACPI_UP     0x01       /* 'A'-'Z' */
 212 #define _ACPI_XD     0x80       /* '0'-'9', 'A'-'F', 'a'-'f' */
 213
 214 #define ACPI_IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
 215 #define ACPI_IS_SPACE(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
 216 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
 217 #define ACPI_IS_UPPER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
 218 #define ACPI_IS_LOWER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
 219 #define ACPI_IS_PRINT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
 220 #define ACPI_IS_ALPHA(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
 221
 222 #endif                          /* !ACPI_USE_SYSTEM_CLIBRARY */
 223
 224 #define ACPI_IS_ASCII(c)  ((c) < 0x80)
 225
 226 /*
 227  * utcopy - Object construction and conversion interfaces
 228  */
 229 acpi_status
 230 acpi_ut_build_simple_object(union acpi_operand_object *obj,
 231                             union acpi_object *user_obj,
 232                             u8 *data_space, u32 *buffer_space_used);
 233
 234 acpi_status
 235 acpi_ut_build_package_object(union acpi_operand_object *obj,
 236                              u8 *buffer, u32 *space_used);
 237
 238 acpi_status
 239 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
 240                                 struct acpi_buffer *ret_buffer);
 241
 242 acpi_status
 243 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
 244                                 union acpi_operand_object **internal_obj);
 245
 246 acpi_status
 247 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
 248                                 union acpi_operand_object *dest_obj);
 249
 250 acpi_status
 251 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
 252                                 union acpi_operand_object **dest_desc,
 253                                 struct acpi_walk_state *walk_state);
 254
 255 /*
 256  * utcreate - Object creation
 257  */
 258 acpi_status
 259 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
 260
 261 /*
 262  * utdebug - Debug interfaces
 263  */
 264 void acpi_ut_init_stack_ptr_trace(void);
 265
 266 void acpi_ut_track_stack_ptr(void);
 267
 268 void
 269 acpi_ut_trace(u32 line_number,
 270               const char *function_name,
 271               const char *module_name, u32 component_id);
 272
 273 void
 274 acpi_ut_trace_ptr(u32 line_number,
 275                   const char *function_name,
 276                   const char *module_name, u32 component_id, void *pointer);
 277
 278 void
 279 acpi_ut_trace_u32(u32 line_number,
 280                   const char *function_name,
 281                   const char *module_name, u32 component_id, u32 integer);
 282
 283 void
 284 acpi_ut_trace_str(u32 line_number,
 285                   const char *function_name,
 286                   const char *module_name, u32 component_id, char *string);
 287
 288 void
 289 acpi_ut_exit(u32 line_number,
 290              const char *function_name,
 291              const char *module_name, u32 component_id);
 292
 293 void
 294 acpi_ut_status_exit(u32 line_number,
 295                     const char *function_name,
 296                     const char *module_name,
 297                     u32 component_id, acpi_status status);
 298
 299 void
 300 acpi_ut_value_exit(u32 line_number,
 301                    const char *function_name,
 302                    const char *module_name, u32 component_id, u64 value);
 303
 304 void
 305 acpi_ut_ptr_exit(u32 line_number,
 306                  const char *function_name,
 307                  const char *module_name, u32 component_id, u8 *ptr);
 308
 309 void
 310 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
 311
 312 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
 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_SUB(struct acpi_namespace_node *device_node,
 368                     struct acpi_pnp_device_id **return_id);
 369
 370 acpi_status
 371 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
 372                     struct acpi_pnp_device_id_list ** return_cid_list);
 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 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
 432
 433 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
 434
 435 /*
 436  * utpredef - support for predefined names
 437  */
 438 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
 439                                                                      acpi_predefined_info
 440                                                                      *this_name);
 441
 442 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
 443
 444 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
 445
 446 void
 447 acpi_ut_display_predefined_method(char *buffer,
 448                                   const union acpi_predefined_info *this_name,
 449                                   u8 multi_line);
 450
 451 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
 452
 453 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
 454
 455 /*
 456  * utstate - Generic state creation/cache routines
 457  */
 458 void
 459 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
 460                            union acpi_generic_state *state);
 461
 462 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
 463                                                     **list_head);
 464
 465 union acpi_generic_state *acpi_ut_create_generic_state(void);
 466
 467 struct acpi_thread_state *acpi_ut_create_thread_state(void);
 468
 469 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
 470                                                       *object, u16 action);
 471
 472 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
 473                                                    void *external_object,
 474                                                    u16 index);
 475
 476 acpi_status
 477 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
 478                                      u16 action,
 479                                      union acpi_generic_state **state_list);
 480
 481 #ifdef  ACPI_FUTURE_USAGE
 482 acpi_status
 483 acpi_ut_create_pkg_state_and_push(void *internal_object,
 484                                   void *external_object,
 485                                   u16 index,
 486                                   union acpi_generic_state **state_list);
 487 #endif                          /* ACPI_FUTURE_USAGE */
 488
 489 union acpi_generic_state *acpi_ut_create_control_state(void);
 490
 491 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
 492
 493 /*
 494  * utmath
 495  */
 496 acpi_status
 497 acpi_ut_divide(u64 in_dividend,
 498                u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
 499
 500 acpi_status
 501 acpi_ut_short_divide(u64 in_dividend,
 502                      u32 divisor, u64 *out_quotient, u32 *out_remainder);
 503
 504 /*
 505  * utmisc
 506  */
 507 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
 508                                                              status);
 509
 510 u8 acpi_ut_is_pci_root_bridge(char *id);
 511
 512 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
 513
 514 acpi_status
 515 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
 516                           void *target_object,
 517                           acpi_pkg_callback walk_callback, void *context);
 518
 519 /* Values for Base above (16=Hex, 10=Decimal) */
 520
 521 #define ACPI_ANY_BASE        0
 522
 523 u32 acpi_ut_dword_byte_swap(u32 value);
 524
 525 void acpi_ut_set_integer_width(u8 revision);
 526
 527 #ifdef ACPI_DEBUG_OUTPUT
 528 void
 529 acpi_ut_display_init_pathname(u8 type,
 530                               struct acpi_namespace_node *obj_handle,
 531                               char *path);
 532 #endif
 533
 534 /*
 535  * utownerid - Support for Table/Method Owner IDs
 536  */
 537 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
 538
 539 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
 540
 541 /*
 542  * utresrc
 543  */
 544 acpi_status
 545 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
 546                            u8 *aml,
 547                            acpi_size aml_length,
 548                            acpi_walk_aml_callback user_function,
 549                            void **context);
 550
 551 acpi_status
 552 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
 553                           void *aml, u8 *return_index);
 554
 555 u32 acpi_ut_get_descriptor_length(void *aml);
 556
 557 u16 acpi_ut_get_resource_length(void *aml);
 558
 559 u8 acpi_ut_get_resource_header_length(void *aml);
 560
 561 u8 acpi_ut_get_resource_type(void *aml);
 562
 563 acpi_status
 564 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
 565
 566 /*
 567  * utstring - String and character utilities
 568  */
 569 void acpi_ut_strupr(char *src_string);
 570
 571 void acpi_ut_strlwr(char *src_string);
 572
 573 int acpi_ut_stricmp(char *string1, char *string2);
 574
 575 acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
 576
 577 void acpi_ut_print_string(char *string, u8 max_length);
 578
 579 void ut_convert_backslashes(char *pathname);
 580
 581 u8 acpi_ut_valid_acpi_name(u32 name);
 582
 583 u8 acpi_ut_valid_acpi_char(char character, u32 position);
 584
 585 void acpi_ut_repair_name(char *name);
 586
 587 /*
 588  * utmutex - mutex support
 589  */
 590 acpi_status acpi_ut_mutex_initialize(void);
 591
 592 void acpi_ut_mutex_terminate(void);
 593
 594 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
 595
 596 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
 597
 598 /*
 599  * utalloc - memory allocation and object caching
 600  */
 601 acpi_status acpi_ut_create_caches(void);
 602
 603 acpi_status acpi_ut_delete_caches(void);
 604
 605 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
 606
 607 acpi_status
 608 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
 609                           acpi_size required_length);
 610
 611 void *acpi_ut_allocate(acpi_size size,
 612                        u32 component, const char *module, u32 line);
 613
 614 void *acpi_ut_allocate_zeroed(acpi_size size,
 615                               u32 component, const char *module, u32 line);
 616
 617 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 618 void *acpi_ut_allocate_and_track(acpi_size size,
 619                                  u32 component, const char *module, u32 line);
 620
 621 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
 622                                         u32 component,
 623                                         const char *module, u32 line);
 624
 625 void
 626 acpi_ut_free_and_track(void *address,
 627                        u32 component, const char *module, u32 line);
 628
 629 #ifdef  ACPI_FUTURE_USAGE
 630 void acpi_ut_dump_allocation_info(void);
 631 #endif                          /* ACPI_FUTURE_USAGE */
 632
 633 void acpi_ut_dump_allocations(u32 component, const char *module);
 634
 635 acpi_status
 636 acpi_ut_create_list(char *list_name,
 637                     u16 object_size, struct acpi_memory_list **return_cache);
 638
 639 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */
 640
 641 /*
 642  * utaddress - address range check
 643  */
 644 acpi_status
 645 acpi_ut_add_address_range(acpi_adr_space_type space_id,
 646                           acpi_physical_address address,
 647                           u32 length, struct acpi_namespace_node *region_node);
 648
 649 void
 650 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
 651                              struct acpi_namespace_node *region_node);
 652
 653 u32
 654 acpi_ut_check_address_range(acpi_adr_space_type space_id,
 655                             acpi_physical_address address, u32 length, u8 warn);
 656
 657 void acpi_ut_delete_address_lists(void);
 658
 659 /*
 660  * utxferror - various error/warning output functions
 661  */
 662 void ACPI_INTERNAL_VAR_XFACE
 663 acpi_ut_predefined_warning(const char *module_name,
 664                            u32 line_number,
 665                            char *pathname,
 666                            u8 node_flags, const char *format, ...);
 667
 668 void ACPI_INTERNAL_VAR_XFACE
 669 acpi_ut_predefined_info(const char *module_name,
 670                         u32 line_number,
 671                         char *pathname, u8 node_flags, const char *format, ...);
 672
 673 void
 674 acpi_ut_namespace_error(const char *module_name,
 675                         u32 line_number,
 676                         const char *internal_name, acpi_status lookup_status);
 677
 678 void
 679 acpi_ut_method_error(const char *module_name,
 680                      u32 line_number,
 681                      const char *message,
 682                      struct acpi_namespace_node *node,
 683                      const char *path, acpi_status lookup_status);
 684
 685 #endif                          /* _ACUTILS_H */