kernel/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 /*
 209  * utclib - Local implementations of C library functions
 210  */
 211 #ifndef ACPI_USE_SYSTEM_CLIBRARY
 212
 213 acpi_size acpi_ut_strlen(const char *string);
 214
 215 char *acpi_ut_strchr(const char *string, int ch);
 216
 217 char *acpi_ut_strcpy(char *dst_string, const char *src_string);
 218
 219 char *acpi_ut_strncpy(char *dst_string,
 220                       const char *src_string, acpi_size count);
 221
 222 int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
 223
 224 int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
 225
 226 int acpi_ut_strcmp(const char *string1, const char *string2);
 227
 228 char *acpi_ut_strcat(char *dst_string, const char *src_string);
 229
 230 char *acpi_ut_strncat(char *dst_string,
 231                       const char *src_string, acpi_size count);
 232
 233 u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
 234
 235 char *acpi_ut_strstr(char *string1, char *string2);
 236
 237 void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
 238
 239 void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
 240
 241 int acpi_ut_to_upper(int c);
 242
 243 int acpi_ut_to_lower(int c);
 244
 245 extern const u8 _acpi_ctype[];
 246
 247 #define _ACPI_XA     0x00       /* extra alphabetic - not supported */
 248 #define _ACPI_XS     0x40       /* extra space */
 249 #define _ACPI_BB     0x00       /* BEL, BS, etc. - not supported */
 250 #define _ACPI_CN     0x20       /* CR, FF, HT, NL, VT */
 251 #define _ACPI_DI     0x04       /* '0'-'9' */
 252 #define _ACPI_LO     0x02       /* 'a'-'z' */
 253 #define _ACPI_PU     0x10       /* punctuation */
 254 #define _ACPI_SP     0x08       /* space */
 255 #define _ACPI_UP     0x01       /* 'A'-'Z' */
 256 #define _ACPI_XD     0x80       /* '0'-'9', 'A'-'F', 'a'-'f' */
 257
 258 #define ACPI_IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
 259 #define ACPI_IS_SPACE(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
 260 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
 261 #define ACPI_IS_UPPER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
 262 #define ACPI_IS_LOWER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
 263 #define ACPI_IS_PRINT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_XS | _ACPI_PU))
 264 #define ACPI_IS_ALPHA(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
 265
 266 #endif                          /* !ACPI_USE_SYSTEM_CLIBRARY */
 267
 268 #define ACPI_IS_ASCII(c)  ((c) < 0x80)
 269
 270 /*
 271  * utcopy - Object construction and conversion interfaces
 272  */
 273 acpi_status
 274 acpi_ut_build_simple_object(union acpi_operand_object *obj,
 275                             union acpi_object *user_obj,
 276                             u8 *data_space, u32 *buffer_space_used);
 277
 278 acpi_status
 279 acpi_ut_build_package_object(union acpi_operand_object *obj,
 280                              u8 *buffer, u32 *space_used);
 281
 282 acpi_status
 283 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
 284                                 struct acpi_buffer *ret_buffer);
 285
 286 acpi_status
 287 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
 288                                 union acpi_operand_object **internal_obj);
 289
 290 acpi_status
 291 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
 292                                 union acpi_operand_object *dest_obj);
 293
 294 acpi_status
 295 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
 296                                 union acpi_operand_object **dest_desc,
 297                                 struct acpi_walk_state *walk_state);
 298
 299 /*
 300  * utcreate - Object creation
 301  */
 302 acpi_status
 303 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
 304
 305 /*
 306  * utdebug - Debug interfaces
 307  */
 308 void acpi_ut_init_stack_ptr_trace(void);
 309
 310 void acpi_ut_track_stack_ptr(void);
 311
 312 void
 313 acpi_ut_trace(u32 line_number,
 314               const char *function_name,
 315               const char *module_name, u32 component_id);
 316
 317 void
 318 acpi_ut_trace_ptr(u32 line_number,
 319                   const char *function_name,
 320                   const char *module_name, u32 component_id, void *pointer);
 321
 322 void
 323 acpi_ut_trace_u32(u32 line_number,
 324                   const char *function_name,
 325                   const char *module_name, u32 component_id, u32 integer);
 326
 327 void
 328 acpi_ut_trace_str(u32 line_number,
 329                   const char *function_name,
 330                   const char *module_name, u32 component_id, char *string);
 331
 332 void
 333 acpi_ut_exit(u32 line_number,
 334              const char *function_name,
 335              const char *module_name, u32 component_id);
 336
 337 void
 338 acpi_ut_status_exit(u32 line_number,
 339                     const char *function_name,
 340                     const char *module_name,
 341                     u32 component_id, acpi_status status);
 342
 343 void
 344 acpi_ut_value_exit(u32 line_number,
 345                    const char *function_name,
 346                    const char *module_name, u32 component_id, u64 value);
 347
 348 void
 349 acpi_ut_ptr_exit(u32 line_number,
 350                  const char *function_name,
 351                  const char *module_name, u32 component_id, u8 *ptr);
 352
 353 void
 354 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
 355
 356 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
 357
 358 #ifdef ACPI_APPLICATION
 359 void
 360 acpi_ut_dump_buffer_to_file(ACPI_FILE file,
 361                             u8 *buffer,
 362                             u32 count, u32 display, u32 base_offset);
 363 #endif
 364
 365 void acpi_ut_report_error(char *module_name, u32 line_number);
 366
 367 void acpi_ut_report_info(char *module_name, u32 line_number);
 368
 369 void acpi_ut_report_warning(char *module_name, u32 line_number);
 370
 371 /*
 372  * utdelete - Object deletion and reference counts
 373  */
 374 void acpi_ut_add_reference(union acpi_operand_object *object);
 375
 376 void acpi_ut_remove_reference(union acpi_operand_object *object);
 377
 378 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
 379
 380 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
 381
 382 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
 383
 384 /*
 385  * uteval - object evaluation
 386  */
 387 acpi_status
 388 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
 389                         char *path,
 390                         u32 expected_return_btypes,
 391                         union acpi_operand_object **return_desc);
 392
 393 acpi_status
 394 acpi_ut_evaluate_numeric_object(char *object_name,
 395                                 struct acpi_namespace_node *device_node,
 396                                 u64 *value);
 397
 398 acpi_status
 399 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
 400
 401 acpi_status
 402 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
 403                               const char **method_names,
 404                               u8 method_count, u8 *out_values);
 405
 406 /*
 407  * utfileio - file operations
 408  */
 409 #ifdef ACPI_APPLICATION
 410 acpi_status
 411 acpi_ut_read_table_from_file(char *filename, struct acpi_table_header **table);
 412 #endif
 413
 414 /*
 415  * utids - device ID support
 416  */
 417 acpi_status
 418 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
 419                     struct acpi_pnp_device_id ** return_id);
 420
 421 acpi_status
 422 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
 423                     struct acpi_pnp_device_id ** return_id);
 424
 425 acpi_status
 426 acpi_ut_execute_SUB(struct acpi_namespace_node *device_node,
 427                     struct acpi_pnp_device_id **return_id);
 428
 429 acpi_status
 430 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
 431                     struct acpi_pnp_device_id_list ** return_cid_list);
 432
 433 /*
 434  * utlock - reader/writer locks
 435  */
 436 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
 437
 438 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
 439
 440 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
 441
 442 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
 443
 444 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
 445
 446 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
 447
 448 /*
 449  * utobject - internal object create/delete/cache routines
 450  */
 451 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
 452                                                               *module_name,
 453                                                               u32 line_number,
 454                                                               u32 component_id,
 455                                                               acpi_object_type
 456                                                               type);
 457
 458 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
 459                                        u32 line_number, u32 component_id);
 460
 461 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
 462 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
 463
 464 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
 465
 466 u8 acpi_ut_valid_internal_object(void *object);
 467
 468 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
 469
 470 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
 471
 472 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 473
 474 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
 475
 476 acpi_status
 477 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
 478
 479 /*
 480  * utosi - Support for the _OSI predefined control method
 481  */
 482 acpi_status acpi_ut_initialize_interfaces(void);
 483
 484 acpi_status acpi_ut_interface_terminate(void);
 485
 486 acpi_status acpi_ut_install_interface(acpi_string interface_name);
 487
 488 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
 489
 490 acpi_status acpi_ut_update_interfaces(u8 action);
 491
 492 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
 493
 494 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
 495
 496 /*
 497  * utpredef - support for predefined names
 498  */
 499 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
 500                                                                      acpi_predefined_info
 501                                                                      *this_name);
 502
 503 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
 504
 505 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
 506
 507 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
 508 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
 509
 510 void
 511 acpi_ut_display_predefined_method(char *buffer,
 512                                   const union acpi_predefined_info *this_name,
 513                                   u8 multi_line);
 514
 515 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
 516 #endif
 517
 518 /*
 519  * utstate - Generic state creation/cache routines
 520  */
 521 void
 522 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
 523                            union acpi_generic_state *state);
 524
 525 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
 526                                                     **list_head);
 527
 528 union acpi_generic_state *acpi_ut_create_generic_state(void);
 529
 530 struct acpi_thread_state *acpi_ut_create_thread_state(void);
 531
 532 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
 533                                                       *object, u16 action);
 534
 535 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
 536                                                    void *external_object,
 537                                                    u16 index);
 538
 539 acpi_status
 540 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
 541                                      u16 action,
 542                                      union acpi_generic_state **state_list);
 543
 544 union acpi_generic_state *acpi_ut_create_control_state(void);
 545
 546 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
 547
 548 /*
 549  * utmath
 550  */
 551 acpi_status
 552 acpi_ut_divide(u64 in_dividend,
 553                u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
 554
 555 acpi_status
 556 acpi_ut_short_divide(u64 in_dividend,
 557                      u32 divisor, u64 *out_quotient, u32 *out_remainder);
 558
 559 /*
 560  * utmisc
 561  */
 562 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
 563                                                              status);
 564
 565 u8 acpi_ut_is_pci_root_bridge(char *id);
 566
 567 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP)
 568 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
 569 #endif
 570
 571 acpi_status
 572 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
 573                           void *target_object,
 574                           acpi_pkg_callback walk_callback, void *context);
 575
 576 /* Values for Base above (16=Hex, 10=Decimal) */
 577
 578 #define ACPI_ANY_BASE        0
 579
 580 u32 acpi_ut_dword_byte_swap(u32 value);
 581
 582 void acpi_ut_set_integer_width(u8 revision);
 583
 584 #ifdef ACPI_DEBUG_OUTPUT
 585 void
 586 acpi_ut_display_init_pathname(u8 type,
 587                               struct acpi_namespace_node *obj_handle,
 588                               char *path);
 589 #endif
 590
 591 /*
 592  * utownerid - Support for Table/Method Owner IDs
 593  */
 594 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
 595
 596 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
 597
 598 /*
 599  * utresrc
 600  */
 601 acpi_status
 602 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
 603                            u8 *aml,
 604                            acpi_size aml_length,
 605                            acpi_walk_aml_callback user_function,
 606                            void **context);
 607
 608 acpi_status
 609 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
 610                           void *aml, u8 *return_index);
 611
 612 u32 acpi_ut_get_descriptor_length(void *aml);
 613
 614 u16 acpi_ut_get_resource_length(void *aml);
 615
 616 u8 acpi_ut_get_resource_header_length(void *aml);
 617
 618 u8 acpi_ut_get_resource_type(void *aml);
 619
 620 acpi_status
 621 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
 622
 623 /*
 624  * utstring - String and character utilities
 625  */
 626 void acpi_ut_strupr(char *src_string);
 627
 628 #ifdef ACPI_ASL_COMPILER
 629 void acpi_ut_strlwr(char *src_string);
 630
 631 int acpi_ut_stricmp(char *string1, char *string2);
 632 #endif
 633
 634 acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
 635
 636 void acpi_ut_print_string(char *string, u16 max_length);
 637
 638 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
 639 void ut_convert_backslashes(char *pathname);
 640 #endif
 641
 642 u8 acpi_ut_valid_acpi_name(char *name);
 643
 644 u8 acpi_ut_valid_acpi_char(char character, u32 position);
 645
 646 void acpi_ut_repair_name(char *name);
 647
 648 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
 649 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
 650
 651 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
 652
 653 u8
 654 acpi_ut_safe_strncat(char *dest,
 655                      acpi_size dest_size,
 656                      char *source, acpi_size max_transfer_length);
 657 #endif
 658
 659 /*
 660  * utmutex - mutex support
 661  */
 662 acpi_status acpi_ut_mutex_initialize(void);
 663
 664 void acpi_ut_mutex_terminate(void);
 665
 666 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
 667
 668 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
 669
 670 /*
 671  * utalloc - memory allocation and object caching
 672  */
 673 acpi_status acpi_ut_create_caches(void);
 674
 675 acpi_status acpi_ut_delete_caches(void);
 676
 677 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
 678
 679 acpi_status
 680 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
 681                           acpi_size required_length);
 682
 683 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 684 void *acpi_ut_allocate_and_track(acpi_size size,
 685                                  u32 component, const char *module, u32 line);
 686
 687 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
 688                                         u32 component,
 689                                         const char *module, u32 line);
 690
 691 void
 692 acpi_ut_free_and_track(void *address,
 693                        u32 component, const char *module, u32 line);
 694
 695 #ifdef  ACPI_FUTURE_USAGE
 696 void acpi_ut_dump_allocation_info(void);
 697 #endif                          /* ACPI_FUTURE_USAGE */
 698
 699 void acpi_ut_dump_allocations(u32 component, const char *module);
 700
 701 acpi_status
 702 acpi_ut_create_list(char *list_name,
 703                     u16 object_size, struct acpi_memory_list **return_cache);
 704
 705 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */
 706
 707 /*
 708  * utaddress - address range check
 709  */
 710 acpi_status
 711 acpi_ut_add_address_range(acpi_adr_space_type space_id,
 712                           acpi_physical_address address,
 713                           u32 length, struct acpi_namespace_node *region_node);
 714
 715 void
 716 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
 717                              struct acpi_namespace_node *region_node);
 718
 719 u32
 720 acpi_ut_check_address_range(acpi_adr_space_type space_id,
 721                             acpi_physical_address address, u32 length, u8 warn);
 722
 723 void acpi_ut_delete_address_lists(void);
 724
 725 /*
 726  * utxferror - various error/warning output functions
 727  */
 728 void ACPI_INTERNAL_VAR_XFACE
 729 acpi_ut_predefined_warning(const char *module_name,
 730                            u32 line_number,
 731                            char *pathname,
 732                            u8 node_flags, const char *format, ...);
 733
 734 void ACPI_INTERNAL_VAR_XFACE
 735 acpi_ut_predefined_info(const char *module_name,
 736                         u32 line_number,
 737                         char *pathname, u8 node_flags, const char *format, ...);
 738
 739 void ACPI_INTERNAL_VAR_XFACE
 740 acpi_ut_predefined_bios_error(const char *module_name,
 741                               u32 line_number,
 742                               char *pathname,
 743                               u8 node_flags, const char *format, ...);
 744
 745 void
 746 acpi_ut_namespace_error(const char *module_name,
 747                         u32 line_number,
 748                         const char *internal_name, acpi_status lookup_status);
 749
 750 void
 751 acpi_ut_method_error(const char *module_name,
 752                      u32 line_number,
 753                      const char *message,
 754                      struct acpi_namespace_node *node,
 755                      const char *path, acpi_status lookup_status);
 756
 757 /*
 758  * Utility functions for ACPI names and IDs
 759  */
 760 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
 761
 762 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
 763
 764 const char *acpi_ah_match_uuid(u8 *data);
 765
 766 /*
 767  * utprint - printf/vprintf output functions
 768  */
 769 const char *acpi_ut_scan_number(const char *string, u64 *number_ptr);
 770
 771 const char *acpi_ut_print_number(char *string, u64 number);
 772
 773 int
 774 acpi_ut_vsnprintf(char *string,
 775                   acpi_size size, const char *format, va_list args);
 776
 777 int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...);
 778
 779 #ifdef ACPI_APPLICATION
 780 int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args);
 781
 782 int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...);
 783 #endif
 784
 785 /*
 786  * utuuid -- UUID support functions
 787  */
 788 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
 789 void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer);
 790 #endif
 791
 792 #endif                          /* _ACUTILS_H */