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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 | /****************************************************************************** * * Module Name: utglobal - Global variables for the ACPI subsystem * *****************************************************************************/ /* * Copyright (C) 2000 - 2011, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. */ #define DEFINE_ACPI_GLOBALS #include <acpi/acpi.h> #include "accommon.h" #include "acnamesp.h" #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utglobal") /******************************************************************************* * * Static global variable initialization. * ******************************************************************************/ /* * We want the debug switches statically initialized so they * are already set when the debugger is entered. */ /* Debug switch - level and trace mask */ u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; /* Debug switch - layer (component) mask */ u32 acpi_dbg_layer = 0; u32 acpi_gbl_nesting_level = 0; /* Debugger globals */ u8 acpi_gbl_db_terminate_threads = FALSE; u8 acpi_gbl_abort_method = FALSE; u8 acpi_gbl_method_executing = FALSE; /* System flags */ u32 acpi_gbl_startup_flags = 0; /* System starts uninitialized */ u8 acpi_gbl_shutdown = TRUE; const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { "\\_S0_", "\\_S1_", "\\_S2_", "\\_S3_", "\\_S4_", "\\_S5_" }; const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = { "_S0W", "_S1W", "_S2W", "_S3W", "_S4W" }; const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = { "_S1D", "_S2D", "_S3D", "_S4D" }; /******************************************************************************* * * FUNCTION: acpi_format_exception * * PARAMETERS: Status - The acpi_status code to be formatted * * RETURN: A string containing the exception text. A valid pointer is * always returned. * * DESCRIPTION: This function translates an ACPI exception into an ASCII string * It is here instead of utxface.c so it is always present. * ******************************************************************************/ const char *acpi_format_exception(acpi_status status) { const char *exception = NULL; ACPI_FUNCTION_ENTRY(); exception = acpi_ut_validate_exception(status); if (!exception) { /* Exception code was not recognized */ ACPI_ERROR((AE_INFO, "Unknown exception code: 0x%8.8X", status)); exception = "UNKNOWN_STATUS_CODE"; dump_stack(); } return (ACPI_CAST_PTR(const char, exception)); } ACPI_EXPORT_SYMBOL(acpi_format_exception) /******************************************************************************* * * Namespace globals * ******************************************************************************/ /* * Predefined ACPI Names (Built-in to the Interpreter) * * NOTES: * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run * during the initialization sequence. * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to * perform a Notify() operation on it. 09/2010: Changed to type Device. * This still allows notifies, but does not confuse host code that * searches for valid thermal_zone objects. */ const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, {"_SB_", ACPI_TYPE_DEVICE, NULL}, {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, {"_TZ_", ACPI_TYPE_DEVICE, NULL}, {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) {"_OSI", ACPI_TYPE_METHOD, (char *)1}, #endif /* Table terminator */ {NULL, ACPI_TYPE_ANY, NULL} }; /* * Properties of the ACPI Object Types, both internal and external. * The table is indexed by values of acpi_object_type */ const u8 acpi_gbl_ns_properties[] = { ACPI_NS_NORMAL, /* 00 Any */ ACPI_NS_NORMAL, /* 01 Number */ ACPI_NS_NORMAL, /* 02 String */ ACPI_NS_NORMAL, /* 03 Buffer */ ACPI_NS_NORMAL, /* 04 Package */ ACPI_NS_NORMAL, /* 05 field_unit */ ACPI_NS_NEWSCOPE, /* 06 Device */ ACPI_NS_NORMAL, /* 07 Event */ ACPI_NS_NEWSCOPE, /* 08 Method */ ACPI_NS_NORMAL, /* 09 Mutex */ ACPI_NS_NORMAL, /* 10 Region */ ACPI_NS_NEWSCOPE, /* 11 Power */ ACPI_NS_NEWSCOPE, /* 12 Processor */ ACPI_NS_NEWSCOPE, /* 13 Thermal */ ACPI_NS_NORMAL, /* 14 buffer_field */ ACPI_NS_NORMAL, /* 15 ddb_handle */ ACPI_NS_NORMAL, /* 16 Debug Object */ ACPI_NS_NORMAL, /* 17 def_field */ ACPI_NS_NORMAL, /* 18 bank_field */ ACPI_NS_NORMAL, /* 19 index_field */ ACPI_NS_NORMAL, /* 20 Reference */ ACPI_NS_NORMAL, /* 21 Alias */ ACPI_NS_NORMAL, /* 22 method_alias */ ACPI_NS_NORMAL, /* 23 Notify */ ACPI_NS_NORMAL, /* 24 Address Handler */ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ ACPI_NS_NEWSCOPE, /* 27 Scope */ ACPI_NS_NORMAL, /* 28 Extra */ ACPI_NS_NORMAL, /* 29 Data */ ACPI_NS_NORMAL /* 30 Invalid */ }; /* Hex to ASCII conversion table */ static const char acpi_gbl_hex_to_ascii[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; /******************************************************************************* * * FUNCTION: acpi_ut_hex_to_ascii_char * * PARAMETERS: Integer - Contains the hex digit * Position - bit position of the digit within the * integer (multiple of 4) * * RETURN: The converted Ascii character * * DESCRIPTION: Convert a hex digit to an Ascii character * ******************************************************************************/ char acpi_ut_hex_to_ascii_char(u64 integer, u32 position) { return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); } /****************************************************************************** * * Event and Hardware globals * ******************************************************************************/ struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { /* Name Parent Register Register Bit Position Register Bit Mask */ /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS}, /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS}, /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS}, /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS}, /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS}, /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS}, /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS}, /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS}, /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE}, /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE}, /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE}, /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE}, /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD}, /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE}, /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE}, /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE} }; struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE}, /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE}, /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, }; /******************************************************************************* * * FUNCTION: acpi_ut_get_region_name * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Space ID into a name string (Debug only) * ******************************************************************************/ /* Region type decoding */ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { "SystemMemory", "SystemIO", "PCI_Config", "EmbeddedControl", "SMBus", "SystemCMOS", "PCIBARTarget", "IPMI", "DataTable" }; char *acpi_ut_get_region_name(u8 space_id) { if (space_id >= ACPI_USER_REGION_BEGIN) { return ("UserDefinedRegion"); } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { return ("InvalidSpaceId"); } return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); } /******************************************************************************* * * FUNCTION: acpi_ut_get_event_name * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Event ID into a name string (Debug only) * ******************************************************************************/ /* Event type decoding */ static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { "PM_Timer", "GlobalLock", "PowerButton", "SleepButton", "RealTimeClock", }; char *acpi_ut_get_event_name(u32 event_id) { if (event_id > ACPI_EVENT_MAX) { return ("InvalidEventID"); } return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); } /******************************************************************************* * * FUNCTION: acpi_ut_get_type_name * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Type ID into a name string (Debug only) * ******************************************************************************/ /* * Elements of acpi_gbl_ns_type_names below must match * one-to-one with values of acpi_object_type * * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; * when stored in a table it really means that we have thus far seen no * evidence to indicate what type is actually going to be stored for this entry. */ static const char acpi_gbl_bad_type[] = "UNDEFINED"; /* Printable names of the ACPI object types */ static const char *acpi_gbl_ns_type_names[] = { /* 00 */ "Untyped", /* 01 */ "Integer", /* 02 */ "String", /* 03 */ "Buffer", /* 04 */ "Package", /* 05 */ "FieldUnit", /* 06 */ "Device", /* 07 */ "Event", /* 08 */ "Method", /* 09 */ "Mutex", /* 10 */ "Region", /* 11 */ "Power", /* 12 */ "Processor", /* 13 */ "Thermal", /* 14 */ "BufferField", /* 15 */ "DdbHandle", /* 16 */ "DebugObject", /* 17 */ "RegionField", /* 18 */ "BankField", /* 19 */ "IndexField", /* 20 */ "Reference", /* 21 */ "Alias", /* 22 */ "MethodAlias", /* 23 */ "Notify", /* 24 */ "AddrHandler", /* 25 */ "ResourceDesc", /* 26 */ "ResourceFld", /* 27 */ "Scope", /* 28 */ "Extra", /* 29 */ "Data", /* 30 */ "Invalid" }; char *acpi_ut_get_type_name(acpi_object_type type) { if (type > ACPI_TYPE_INVALID) { return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); } return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type])); } char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) { if (!obj_desc) { return ("[NULL Object Descriptor]"); } return (acpi_ut_get_type_name(obj_desc->common.type)); } /******************************************************************************* * * FUNCTION: acpi_ut_get_node_name * * PARAMETERS: Object - A namespace node * * RETURN: Pointer to a string * * DESCRIPTION: Validate the node and return the node's ACPI name. * ******************************************************************************/ char *acpi_ut_get_node_name(void *object) { struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ if (!object) { return ("NULL"); } /* Check for Root node */ if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) { return ("\"\\\" "); } /* Descriptor must be a namespace node */ if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { return ("####"); } /* Name must be a valid ACPI name */ if (!acpi_ut_valid_acpi_name(node->name.integer)) { node->name.integer = acpi_ut_repair_name(node->name.ascii); } /* Return the name */ return (node->name.ascii); } /******************************************************************************* * * FUNCTION: acpi_ut_get_descriptor_name * * PARAMETERS: Object - An ACPI object * * RETURN: Pointer to a string * * DESCRIPTION: Validate object and return the descriptor type * ******************************************************************************/ /* Printable names of object descriptor types */ static const char *acpi_gbl_desc_type_names[] = { /* 00 */ "Invalid", /* 01 */ "Cached", /* 02 */ "State-Generic", /* 03 */ "State-Update", /* 04 */ "State-Package", /* 05 */ "State-Control", /* 06 */ "State-RootParseScope", /* 07 */ "State-ParseScope", /* 08 */ "State-WalkScope", /* 09 */ "State-Result", /* 10 */ "State-Notify", /* 11 */ "State-Thread", /* 12 */ "Walk", /* 13 */ "Parser", /* 14 */ "Operand", /* 15 */ "Node" }; char *acpi_ut_get_descriptor_name(void *object) { if (!object) { return ("NULL OBJECT"); } if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) { return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); } return (ACPI_CAST_PTR(char, acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE (object)])); } /******************************************************************************* * * FUNCTION: acpi_ut_get_reference_name * * PARAMETERS: Object - An ACPI reference object * * RETURN: Pointer to a string * * DESCRIPTION: Decode a reference object sub-type to a string. * ******************************************************************************/ /* Printable names of reference object sub-types */ static const char *acpi_gbl_ref_class_names[] = { /* 00 */ "Local", /* 01 */ "Argument", /* 02 */ "RefOf", /* 03 */ "Index", /* 04 */ "DdbHandle", /* 05 */ "Named Object", /* 06 */ "Debug" }; const char *acpi_ut_get_reference_name(union acpi_operand_object *object) { if (!object) return "NULL Object"; if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) return "Not an Operand object"; if (object->common.type != ACPI_TYPE_LOCAL_REFERENCE) return "Not a Reference object"; if (object->reference.class > ACPI_REFCLASS_MAX) return "Unknown Reference class"; return acpi_gbl_ref_class_names[object->reference.class]; } #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) /* * Strings and procedures used for debug only */ /******************************************************************************* * * FUNCTION: acpi_ut_get_mutex_name * * PARAMETERS: mutex_id - The predefined ID for this mutex. * * RETURN: String containing the name of the mutex. Always returns a valid * pointer. * * DESCRIPTION: Translate a mutex ID into a name string (Debug only) * ******************************************************************************/ char *acpi_ut_get_mutex_name(u32 mutex_id) { if (mutex_id > ACPI_MAX_MUTEX) { return ("Invalid Mutex ID"); } return (acpi_gbl_mutex_names[mutex_id]); } /******************************************************************************* * * FUNCTION: acpi_ut_get_notify_name * * PARAMETERS: notify_value - Value from the Notify() request * * RETURN: String corresponding to the Notify Value. * * DESCRIPTION: Translate a Notify Value to a notify namestring. * ******************************************************************************/ /* Names for Notify() values, used for debug output */ static const char *acpi_gbl_notify_value_names[] = { "Bus Check", "Device Check", "Device Wake", "Eject Request", "Device Check Light", "Frequency Mismatch", "Bus Mode Mismatch", "Power Fault", "Capabilities Check", "Device PLD Check", "Reserved", "System Locality Update" }; const char *acpi_ut_get_notify_name(u32 notify_value) { if (notify_value <= ACPI_NOTIFY_MAX) { return (acpi_gbl_notify_value_names[notify_value]); } else if (notify_value <= ACPI_MAX_SYS_NOTIFY) { return ("Reserved"); } else { /* Greater or equal to 0x80 */ return ("**Device Specific**"); } } #endif /******************************************************************************* * * FUNCTION: acpi_ut_valid_object_type * * PARAMETERS: Type - Object type to be validated * * RETURN: TRUE if valid object type, FALSE otherwise * * DESCRIPTION: Validate an object type * ******************************************************************************/ u8 acpi_ut_valid_object_type(acpi_object_type type) { if (type > ACPI_TYPE_LOCAL_MAX) { /* Note: Assumes all TYPEs are contiguous (external/local) */ return (FALSE); } return (TRUE); } /******************************************************************************* * * FUNCTION: acpi_ut_init_globals * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Init library globals. All globals that require specific * initialization should be initialized here! * ******************************************************************************/ acpi_status acpi_ut_init_globals(void) { acpi_status status; u32 i; ACPI_FUNCTION_TRACE(ut_init_globals); /* Create all memory caches */ status = acpi_ut_create_caches(); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } /* Mutex locked flags */ for (i = 0; i < ACPI_NUM_MUTEX; i++) { acpi_gbl_mutex_info[i].mutex = NULL; acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; acpi_gbl_mutex_info[i].use_count = 0; } for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { acpi_gbl_owner_id_mask[i] = 0; } /* Last owner_iD is never valid */ acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* GPE support */ acpi_gbl_gpe_xrupt_list_head = NULL; acpi_gbl_gpe_fadt_blocks[0] = NULL; acpi_gbl_gpe_fadt_blocks[1] = NULL; acpi_current_gpe_count = 0; acpi_gbl_all_gpes_initialized = FALSE; /* Global handlers */ acpi_gbl_system_notify.handler = NULL; acpi_gbl_device_notify.handler = NULL; acpi_gbl_exception_handler = NULL; acpi_gbl_init_handler = NULL; acpi_gbl_table_handler = NULL; acpi_gbl_interface_handler = NULL; acpi_gbl_global_event_handler = NULL; /* Global Lock support */ acpi_gbl_global_lock_semaphore = NULL; acpi_gbl_global_lock_mutex = NULL; acpi_gbl_global_lock_acquired = FALSE; acpi_gbl_global_lock_handle = 0; acpi_gbl_global_lock_present = FALSE; /* Miscellaneous variables */ acpi_gbl_DSDT = NULL; acpi_gbl_cm_single_step = FALSE; acpi_gbl_db_terminate_threads = FALSE; acpi_gbl_shutdown = FALSE; acpi_gbl_ns_lookup_count = 0; acpi_gbl_ps_find_count = 0; acpi_gbl_acpi_hardware_present = TRUE; acpi_gbl_last_owner_id_index = 0; acpi_gbl_next_owner_id_offset = 0; acpi_gbl_trace_method_name = 0; acpi_gbl_trace_dbg_level = 0; acpi_gbl_trace_dbg_layer = 0; acpi_gbl_debugger_configuration = DEBUGGER_THREADING; acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; acpi_gbl_osi_data = 0; acpi_gbl_osi_mutex = NULL; /* Hardware oriented */ acpi_gbl_events_initialized = FALSE; acpi_gbl_system_awake_and_running = TRUE; /* Namespace */ acpi_gbl_module_code_list = NULL; acpi_gbl_root_node = NULL; acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED; acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; acpi_gbl_root_node_struct.parent = NULL; acpi_gbl_root_node_struct.child = NULL; acpi_gbl_root_node_struct.peer = NULL; acpi_gbl_root_node_struct.object = NULL; #ifdef ACPI_DEBUG_OUTPUT acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX); #endif #ifdef ACPI_DBG_TRACK_ALLOCATIONS acpi_gbl_display_final_mem_stats = FALSE; #endif return_ACPI_STATUS(AE_OK); } ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) ACPI_EXPORT_SYMBOL(acpi_dbg_level) ACPI_EXPORT_SYMBOL(acpi_dbg_layer) ACPI_EXPORT_SYMBOL(acpi_current_gpe_count) |