1/****************************************************************************** 2 * 3 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2014, 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 47extern const u8 acpi_gbl_resource_aml_sizes[]; 48extern 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 54extern const char *acpi_gbl_bm_decode[]; 55extern const char *acpi_gbl_config_decode[]; 56extern const char *acpi_gbl_consume_decode[]; 57extern const char *acpi_gbl_dec_decode[]; 58extern const char *acpi_gbl_he_decode[]; 59extern const char *acpi_gbl_io_decode[]; 60extern const char *acpi_gbl_ll_decode[]; 61extern const char *acpi_gbl_max_decode[]; 62extern const char *acpi_gbl_mem_decode[]; 63extern const char *acpi_gbl_min_decode[]; 64extern const char *acpi_gbl_mtp_decode[]; 65extern const char *acpi_gbl_rng_decode[]; 66extern const char *acpi_gbl_rw_decode[]; 67extern const char *acpi_gbl_shr_decode[]; 68extern const char *acpi_gbl_siz_decode[]; 69extern const char *acpi_gbl_trs_decode[]; 70extern const char *acpi_gbl_ttp_decode[]; 71extern const char *acpi_gbl_typ_decode[]; 72extern const char *acpi_gbl_ppc_decode[]; 73extern const char *acpi_gbl_ior_decode[]; 74extern const char *acpi_gbl_dts_decode[]; 75extern const char *acpi_gbl_ct_decode[]; 76extern const char *acpi_gbl_sbt_decode[]; 77extern const char *acpi_gbl_am_decode[]; 78extern const char *acpi_gbl_sm_decode[]; 79extern const char *acpi_gbl_wm_decode[]; 80extern const char *acpi_gbl_cph_decode[]; 81extern const char *acpi_gbl_cpo_decode[]; 82extern const char *acpi_gbl_dp_decode[]; 83extern const char *acpi_gbl_ed_decode[]; 84extern const char *acpi_gbl_bpb_decode[]; 85extern const char *acpi_gbl_sb_decode[]; 86extern const char *acpi_gbl_fc_decode[]; 87extern 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 138typedef 139acpi_status(*acpi_walk_aml_callback) (u8 *aml, 140 u32 length, 141 u32 offset, 142 u8 resource_index, void **context); 143 144typedef 145acpi_status(*acpi_pkg_callback) (u8 object_type, 146 union acpi_operand_object *source_object, 147 union acpi_generic_state * state, 148 void *context); 149 150struct 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 */ 172acpi_status acpi_ut_init_globals(void); 173 174#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 175 176char *acpi_ut_get_mutex_name(u32 mutex_id); 177 178const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type); 179#endif 180 181char *acpi_ut_get_type_name(acpi_object_type type); 182 183char *acpi_ut_get_node_name(void *object); 184 185char *acpi_ut_get_descriptor_name(void *object); 186 187const char *acpi_ut_get_reference_name(union acpi_operand_object *object); 188 189char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc); 190 191char *acpi_ut_get_region_name(u8 space_id); 192 193char *acpi_ut_get_event_name(u32 event_id); 194 195char acpi_ut_hex_to_ascii_char(u64 integer, u32 position); 196 197u8 acpi_ut_ascii_char_to_hex(int hex_char); 198 199u8 acpi_ut_valid_object_type(acpi_object_type type); 200 201/* 202 * utinit - miscellaneous initialization and shutdown 203 */ 204acpi_status acpi_ut_hardware_initialize(void); 205 206void acpi_ut_subsystem_shutdown(void); 207 208/* 209 * utclib - Local implementations of C library functions 210 */ 211#ifndef ACPI_USE_SYSTEM_CLIBRARY 212 213acpi_size acpi_ut_strlen(const char *string); 214 215char *acpi_ut_strchr(const char *string, int ch); 216 217char *acpi_ut_strcpy(char *dst_string, const char *src_string); 218 219char *acpi_ut_strncpy(char *dst_string, 220 const char *src_string, acpi_size count); 221 222int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count); 223 224int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count); 225 226int acpi_ut_strcmp(const char *string1, const char *string2); 227 228char *acpi_ut_strcat(char *dst_string, const char *src_string); 229 230char *acpi_ut_strncat(char *dst_string, 231 const char *src_string, acpi_size count); 232 233u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base); 234 235char *acpi_ut_strstr(char *string1, char *string2); 236 237void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count); 238 239void *acpi_ut_memset(void *dest, u8 value, acpi_size count); 240 241int acpi_ut_to_upper(int c); 242 243int acpi_ut_to_lower(int c); 244 245extern 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 */ 273acpi_status 274acpi_ut_build_simple_object(union acpi_operand_object *obj, 275 union acpi_object *user_obj, 276 u8 *data_space, u32 *buffer_space_used); 277 278acpi_status 279acpi_ut_build_package_object(union acpi_operand_object *obj, 280 u8 *buffer, u32 *space_used); 281 282acpi_status 283acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj, 284 struct acpi_buffer *ret_buffer); 285 286acpi_status 287acpi_ut_copy_eobject_to_iobject(union acpi_object *obj, 288 union acpi_operand_object **internal_obj); 289 290acpi_status 291acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj, 292 union acpi_operand_object *dest_obj); 293 294acpi_status 295acpi_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 */ 302acpi_status 303acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action); 304 305/* 306 * utdebug - Debug interfaces 307 */ 308void acpi_ut_init_stack_ptr_trace(void); 309 310void acpi_ut_track_stack_ptr(void); 311 312void 313acpi_ut_trace(u32 line_number, 314 const char *function_name, 315 const char *module_name, u32 component_id); 316 317void 318acpi_ut_trace_ptr(u32 line_number, 319 const char *function_name, 320 const char *module_name, u32 component_id, void *pointer); 321 322void 323acpi_ut_trace_u32(u32 line_number, 324 const char *function_name, 325 const char *module_name, u32 component_id, u32 integer); 326 327void 328acpi_ut_trace_str(u32 line_number, 329 const char *function_name, 330 const char *module_name, u32 component_id, char *string); 331 332void 333acpi_ut_exit(u32 line_number, 334 const char *function_name, 335 const char *module_name, u32 component_id); 336 337void 338acpi_ut_status_exit(u32 line_number, 339 const char *function_name, 340 const char *module_name, 341 u32 component_id, acpi_status status); 342 343void 344acpi_ut_value_exit(u32 line_number, 345 const char *function_name, 346 const char *module_name, u32 component_id, u64 value); 347 348void 349acpi_ut_ptr_exit(u32 line_number, 350 const char *function_name, 351 const char *module_name, u32 component_id, u8 *ptr); 352 353void 354acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id); 355 356void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset); 357 358#ifdef ACPI_APPLICATION 359void 360acpi_ut_dump_buffer_to_file(ACPI_FILE file, 361 u8 *buffer, 362 u32 count, u32 display, u32 base_offset); 363#endif 364 365void acpi_ut_report_error(char *module_name, u32 line_number); 366 367void acpi_ut_report_info(char *module_name, u32 line_number); 368 369void acpi_ut_report_warning(char *module_name, u32 line_number); 370 371/* 372 * utdelete - Object deletion and reference counts 373 */ 374void acpi_ut_add_reference(union acpi_operand_object *object); 375 376void acpi_ut_remove_reference(union acpi_operand_object *object); 377 378void acpi_ut_delete_internal_package_object(union acpi_operand_object *object); 379 380void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object); 381 382void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list); 383 384/* 385 * uteval - object evaluation 386 */ 387acpi_status 388acpi_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 393acpi_status 394acpi_ut_evaluate_numeric_object(char *object_name, 395 struct acpi_namespace_node *device_node, 396 u64 *value); 397 398acpi_status 399acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags); 400 401acpi_status 402acpi_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 410acpi_status 411acpi_ut_read_table_from_file(char *filename, struct acpi_table_header **table); 412#endif 413 414/* 415 * utids - device ID support 416 */ 417acpi_status 418acpi_ut_execute_HID(struct acpi_namespace_node *device_node, 419 struct acpi_pnp_device_id ** return_id); 420 421acpi_status 422acpi_ut_execute_UID(struct acpi_namespace_node *device_node, 423 struct acpi_pnp_device_id ** return_id); 424 425acpi_status 426acpi_ut_execute_SUB(struct acpi_namespace_node *device_node, 427 struct acpi_pnp_device_id **return_id); 428 429acpi_status 430acpi_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 */ 436acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock); 437 438void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock); 439 440acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock); 441 442acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock); 443 444acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock); 445 446void acpi_ut_release_write_lock(struct acpi_rw_lock *lock); 447 448/* 449 * utobject - internal object create/delete/cache routines 450 */ 451union 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 458void *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 464void acpi_ut_delete_object_desc(union acpi_operand_object *object); 465 466u8 acpi_ut_valid_internal_object(void *object); 467 468union acpi_operand_object *acpi_ut_create_package_object(u32 count); 469 470union acpi_operand_object *acpi_ut_create_integer_object(u64 value); 471 472union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size); 473 474union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size); 475 476acpi_status 477acpi_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 */ 482acpi_status acpi_ut_initialize_interfaces(void); 483 484acpi_status acpi_ut_interface_terminate(void); 485 486acpi_status acpi_ut_install_interface(acpi_string interface_name); 487 488acpi_status acpi_ut_remove_interface(acpi_string interface_name); 489 490acpi_status acpi_ut_update_interfaces(u8 action); 491 492struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name); 493 494acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state); 495 496/* 497 * utpredef - support for predefined names 498 */ 499const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union 500 acpi_predefined_info 501 *this_name); 502 503const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name); 504 505const union acpi_predefined_info *acpi_ut_match_resource_name(char *name); 506 507void 508acpi_ut_display_predefined_method(char *buffer, 509 const union acpi_predefined_info *this_name, 510 u8 multi_line); 511 512void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes); 513 514u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types); 515 516/* 517 * utstate - Generic state creation/cache routines 518 */ 519void 520acpi_ut_push_generic_state(union acpi_generic_state **list_head, 521 union acpi_generic_state *state); 522 523union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state 524 **list_head); 525 526union acpi_generic_state *acpi_ut_create_generic_state(void); 527 528struct acpi_thread_state *acpi_ut_create_thread_state(void); 529 530union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object 531 *object, u16 action); 532 533union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object, 534 void *external_object, 535 u16 index); 536 537acpi_status 538acpi_ut_create_update_state_and_push(union acpi_operand_object *object, 539 u16 action, 540 union acpi_generic_state **state_list); 541 542#ifdef ACPI_FUTURE_USAGE 543acpi_status 544acpi_ut_create_pkg_state_and_push(void *internal_object, 545 void *external_object, 546 u16 index, 547 union acpi_generic_state **state_list); 548#endif /* ACPI_FUTURE_USAGE */ 549 550union acpi_generic_state *acpi_ut_create_control_state(void); 551 552void acpi_ut_delete_generic_state(union acpi_generic_state *state); 553 554/* 555 * utmath 556 */ 557acpi_status 558acpi_ut_divide(u64 in_dividend, 559 u64 in_divisor, u64 *out_quotient, u64 *out_remainder); 560 561acpi_status 562acpi_ut_short_divide(u64 in_dividend, 563 u32 divisor, u64 *out_quotient, u32 *out_remainder); 564 565/* 566 * utmisc 567 */ 568const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status 569 status); 570 571u8 acpi_ut_is_pci_root_bridge(char *id); 572 573u8 acpi_ut_is_aml_table(struct acpi_table_header *table); 574 575acpi_status 576acpi_ut_walk_package_tree(union acpi_operand_object *source_object, 577 void *target_object, 578 acpi_pkg_callback walk_callback, void *context); 579 580/* Values for Base above (16=Hex, 10=Decimal) */ 581 582#define ACPI_ANY_BASE 0 583 584u32 acpi_ut_dword_byte_swap(u32 value); 585 586void acpi_ut_set_integer_width(u8 revision); 587 588#ifdef ACPI_DEBUG_OUTPUT 589void 590acpi_ut_display_init_pathname(u8 type, 591 struct acpi_namespace_node *obj_handle, 592 char *path); 593#endif 594 595/* 596 * utownerid - Support for Table/Method Owner IDs 597 */ 598acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id); 599 600void acpi_ut_release_owner_id(acpi_owner_id * owner_id); 601 602/* 603 * utresrc 604 */ 605acpi_status 606acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, 607 u8 *aml, 608 acpi_size aml_length, 609 acpi_walk_aml_callback user_function, 610 void **context); 611 612acpi_status 613acpi_ut_validate_resource(struct acpi_walk_state *walk_state, 614 void *aml, u8 *return_index); 615 616u32 acpi_ut_get_descriptor_length(void *aml); 617 618u16 acpi_ut_get_resource_length(void *aml); 619 620u8 acpi_ut_get_resource_header_length(void *aml); 621 622u8 acpi_ut_get_resource_type(void *aml); 623 624acpi_status 625acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag); 626 627/* 628 * utstring - String and character utilities 629 */ 630void acpi_ut_strupr(char *src_string); 631 632void acpi_ut_strlwr(char *src_string); 633 634int acpi_ut_stricmp(char *string1, char *string2); 635 636acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer); 637 638void acpi_ut_print_string(char *string, u16 max_length); 639 640void ut_convert_backslashes(char *pathname); 641 642u8 acpi_ut_valid_acpi_name(char *name); 643 644u8 acpi_ut_valid_acpi_char(char character, u32 position); 645 646void acpi_ut_repair_name(char *name); 647 648#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) 649u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source); 650 651u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source); 652 653u8 654acpi_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 */ 662acpi_status acpi_ut_mutex_initialize(void); 663 664void acpi_ut_mutex_terminate(void); 665 666acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id); 667 668acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id); 669 670/* 671 * utalloc - memory allocation and object caching 672 */ 673acpi_status acpi_ut_create_caches(void); 674 675acpi_status acpi_ut_delete_caches(void); 676 677acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer); 678 679acpi_status 680acpi_ut_initialize_buffer(struct acpi_buffer *buffer, 681 acpi_size required_length); 682 683#ifdef ACPI_DBG_TRACK_ALLOCATIONS 684void *acpi_ut_allocate_and_track(acpi_size size, 685 u32 component, const char *module, u32 line); 686 687void *acpi_ut_allocate_zeroed_and_track(acpi_size size, 688 u32 component, 689 const char *module, u32 line); 690 691void 692acpi_ut_free_and_track(void *address, 693 u32 component, const char *module, u32 line); 694 695#ifdef ACPI_FUTURE_USAGE 696void acpi_ut_dump_allocation_info(void); 697#endif /* ACPI_FUTURE_USAGE */ 698 699void acpi_ut_dump_allocations(u32 component, const char *module); 700 701acpi_status 702acpi_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 */ 710acpi_status 711acpi_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 715void 716acpi_ut_remove_address_range(acpi_adr_space_type space_id, 717 struct acpi_namespace_node *region_node); 718 719u32 720acpi_ut_check_address_range(acpi_adr_space_type space_id, 721 acpi_physical_address address, u32 length, u8 warn); 722 723void acpi_ut_delete_address_lists(void); 724 725/* 726 * utxferror - various error/warning output functions 727 */ 728void ACPI_INTERNAL_VAR_XFACE 729acpi_ut_predefined_warning(const char *module_name, 730 u32 line_number, 731 char *pathname, 732 u8 node_flags, const char *format, ...); 733 734void ACPI_INTERNAL_VAR_XFACE 735acpi_ut_predefined_info(const char *module_name, 736 u32 line_number, 737 char *pathname, u8 node_flags, const char *format, ...); 738 739void ACPI_INTERNAL_VAR_XFACE 740acpi_ut_predefined_bios_error(const char *module_name, 741 u32 line_number, 742 char *pathname, 743 u8 node_flags, const char *format, ...); 744 745void 746acpi_ut_namespace_error(const char *module_name, 747 u32 line_number, 748 const char *internal_name, acpi_status lookup_status); 749 750void 751acpi_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 */ 760const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg); 761 762const struct ah_device_id *acpi_ah_match_hardware_id(char *hid); 763 764const char *acpi_ah_match_uuid(u8 *data); 765 766/* 767 * utprint - printf/vprintf output functions 768 */ 769const char *acpi_ut_scan_number(const char *string, u64 *number_ptr); 770 771const char *acpi_ut_print_number(char *string, u64 number); 772 773int 774acpi_ut_vsnprintf(char *string, 775 acpi_size size, const char *format, va_list args); 776 777int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...); 778 779#ifdef ACPI_APPLICATION 780int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args); 781 782int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...); 783#endif 784 785/* 786 * utuuid -- UUID support functions 787 */ 788void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer); 789 790#endif /* _ACUTILS_H */ 791