1/****************************************************************************** 2 * 3 * Name: aclocal.h - Internal data types used across the ACPI subsystem 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2016, 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 __ACLOCAL_H__ 45#define __ACLOCAL_H__ 46 47/* acpisrc:struct_defs -- for acpisrc conversion */ 48 49#define ACPI_SERIALIZED 0xFF 50 51typedef u32 acpi_mutex_handle; 52#define ACPI_GLOBAL_LOCK (acpi_semaphore) (-1) 53 54/* Total number of aml opcodes defined */ 55 56#define AML_NUM_OPCODES 0x82 57 58/* Forward declarations */ 59 60struct acpi_walk_state; 61struct acpi_obj_mutex; 62union acpi_parse_object; 63 64/***************************************************************************** 65 * 66 * Mutex typedefs and structs 67 * 68 ****************************************************************************/ 69 70/* 71 * Predefined handles for the mutex objects used within the subsystem 72 * All mutex objects are automatically created by acpi_ut_mutex_initialize. 73 * 74 * The acquire/release ordering protocol is implied via this list. Mutexes 75 * with a lower value must be acquired before mutexes with a higher value. 76 * 77 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names 78 * table below also! 79 */ 80#define ACPI_MTX_INTERPRETER 0 /* AML Interpreter, main lock */ 81#define ACPI_MTX_NAMESPACE 1 /* ACPI Namespace */ 82#define ACPI_MTX_TABLES 2 /* Data for ACPI tables */ 83#define ACPI_MTX_EVENTS 3 /* Data for ACPI events */ 84#define ACPI_MTX_CACHES 4 /* Internal caches, general purposes */ 85#define ACPI_MTX_MEMORY 5 /* Debug memory tracking lists */ 86 87#define ACPI_MAX_MUTEX 5 88#define ACPI_NUM_MUTEX (ACPI_MAX_MUTEX+1) 89 90/* Lock structure for reader/writer interfaces */ 91 92struct acpi_rw_lock { 93 acpi_mutex writer_mutex; 94 acpi_mutex reader_mutex; 95 u32 num_readers; 96}; 97 98/* 99 * Predefined handles for spinlocks used within the subsystem. 100 * These spinlocks are created by acpi_ut_mutex_initialize 101 */ 102#define ACPI_LOCK_GPES 0 103#define ACPI_LOCK_HARDWARE 1 104 105#define ACPI_MAX_LOCK 1 106#define ACPI_NUM_LOCK (ACPI_MAX_LOCK+1) 107 108/* This Thread ID means that the mutex is not in use (unlocked) */ 109 110#define ACPI_MUTEX_NOT_ACQUIRED ((acpi_thread_id) 0) 111 112/* This Thread ID means an invalid thread ID */ 113 114#ifdef ACPI_OS_INVALID_THREAD_ID 115#define ACPI_INVALID_THREAD_ID ACPI_OS_INVALID_THREAD_ID 116#else 117#define ACPI_INVALID_THREAD_ID ((acpi_thread_id) 0xFFFFFFFF) 118#endif 119 120/* Table for the global mutexes */ 121 122struct acpi_mutex_info { 123 acpi_mutex mutex; 124 u32 use_count; 125 acpi_thread_id thread_id; 126}; 127 128/* Lock flag parameter for various interfaces */ 129 130#define ACPI_MTX_DO_NOT_LOCK 0 131#define ACPI_MTX_LOCK 1 132 133/* Field access granularities */ 134 135#define ACPI_FIELD_BYTE_GRANULARITY 1 136#define ACPI_FIELD_WORD_GRANULARITY 2 137#define ACPI_FIELD_DWORD_GRANULARITY 4 138#define ACPI_FIELD_QWORD_GRANULARITY 8 139 140#define ACPI_ENTRY_NOT_FOUND NULL 141 142/***************************************************************************** 143 * 144 * Namespace typedefs and structs 145 * 146 ****************************************************************************/ 147 148/* Operational modes of the AML interpreter/scanner */ 149 150typedef enum { 151 ACPI_IMODE_LOAD_PASS1 = 0x01, 152 ACPI_IMODE_LOAD_PASS2 = 0x02, 153 ACPI_IMODE_EXECUTE = 0x03 154} acpi_interpreter_mode; 155 156/* 157 * The Namespace Node describes a named object that appears in the AML. 158 * descriptor_type is used to differentiate between internal descriptors. 159 * 160 * The node is optimized for both 32-bit and 64-bit platforms: 161 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case. 162 * 163 * Note: The descriptor_type and Type fields must appear in the identical 164 * position in both the struct acpi_namespace_node and union acpi_operand_object 165 * structures. 166 */ 167struct acpi_namespace_node { 168 union acpi_operand_object *object; /* Interpreter object */ 169 u8 descriptor_type; /* Differentiate object descriptor types */ 170 u8 type; /* ACPI Type associated with this name */ 171 u8 flags; /* Miscellaneous flags */ 172 acpi_owner_id owner_id; /* Node creator */ 173 union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */ 174 struct acpi_namespace_node *parent; /* Parent node */ 175 struct acpi_namespace_node *child; /* First child */ 176 struct acpi_namespace_node *peer; /* First peer */ 177 178 /* 179 * The following fields are used by the ASL compiler and disassembler only 180 */ 181#ifdef ACPI_LARGE_NAMESPACE_NODE 182 union acpi_parse_object *op; 183 void *method_locals; 184 void *method_args; 185 u32 value; 186 u32 length; 187 u8 arg_count; 188 189#endif 190}; 191 192/* Namespace Node flags */ 193 194#define ANOBJ_RESERVED 0x01 /* Available for use */ 195#define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */ 196#define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */ 197#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ 198#define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */ 199#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */ 200#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */ 201 202#define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */ 203#define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */ 204#define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */ 205#define ANOBJ_IS_REFERENCED 0x80 /* iASL only: Object was referenced */ 206 207/* Internal ACPI table management - master table list */ 208 209struct acpi_table_list { 210 struct acpi_table_desc *tables; /* Table descriptor array */ 211 u32 current_table_count; /* Tables currently in the array */ 212 u32 max_table_count; /* Max tables array will hold */ 213 u8 flags; 214}; 215 216/* Flags for above */ 217 218#define ACPI_ROOT_ORIGIN_UNKNOWN (0) /* ~ORIGIN_ALLOCATED */ 219#define ACPI_ROOT_ORIGIN_ALLOCATED (1) 220#define ACPI_ROOT_ALLOW_RESIZE (2) 221 222/* List to manage incoming ACPI tables */ 223 224struct acpi_new_table_desc { 225 struct acpi_table_header *table; 226 struct acpi_new_table_desc *next; 227}; 228 229/* Predefined table indexes */ 230 231#define ACPI_INVALID_TABLE_INDEX (0xFFFFFFFF) 232 233struct acpi_find_context { 234 char *search_for; 235 acpi_handle *list; 236 u32 *count; 237}; 238 239struct acpi_ns_search_data { 240 struct acpi_namespace_node *node; 241}; 242 243/* Object types used during package copies */ 244 245#define ACPI_COPY_TYPE_SIMPLE 0 246#define ACPI_COPY_TYPE_PACKAGE 1 247 248/* Info structure used to convert external<->internal namestrings */ 249 250struct acpi_namestring_info { 251 const char *external_name; 252 const char *next_external_char; 253 char *internal_name; 254 u32 length; 255 u32 num_segments; 256 u32 num_carats; 257 u8 fully_qualified; 258}; 259 260/* Field creation info */ 261 262struct acpi_create_field_info { 263 struct acpi_namespace_node *region_node; 264 struct acpi_namespace_node *field_node; 265 struct acpi_namespace_node *register_node; 266 struct acpi_namespace_node *data_register_node; 267 struct acpi_namespace_node *connection_node; 268 u8 *resource_buffer; 269 u32 bank_value; 270 u32 field_bit_position; 271 u32 field_bit_length; 272 u16 resource_length; 273 u16 pin_number_index; 274 u8 field_flags; 275 u8 attribute; 276 u8 field_type; 277 u8 access_length; 278}; 279 280typedef 281acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state); 282 283/* 284 * Bitmapped ACPI types. Used internally only 285 */ 286#define ACPI_BTYPE_ANY 0x00000000 287#define ACPI_BTYPE_INTEGER 0x00000001 288#define ACPI_BTYPE_STRING 0x00000002 289#define ACPI_BTYPE_BUFFER 0x00000004 290#define ACPI_BTYPE_PACKAGE 0x00000008 291#define ACPI_BTYPE_FIELD_UNIT 0x00000010 292#define ACPI_BTYPE_DEVICE 0x00000020 293#define ACPI_BTYPE_EVENT 0x00000040 294#define ACPI_BTYPE_METHOD 0x00000080 295#define ACPI_BTYPE_MUTEX 0x00000100 296#define ACPI_BTYPE_REGION 0x00000200 297#define ACPI_BTYPE_POWER 0x00000400 298#define ACPI_BTYPE_PROCESSOR 0x00000800 299#define ACPI_BTYPE_THERMAL 0x00001000 300#define ACPI_BTYPE_BUFFER_FIELD 0x00002000 301#define ACPI_BTYPE_DDB_HANDLE 0x00004000 302#define ACPI_BTYPE_DEBUG_OBJECT 0x00008000 303#define ACPI_BTYPE_REFERENCE_OBJECT 0x00010000 /* From Index(), ref_of(), etc (type6_opcodes) */ 304#define ACPI_BTYPE_RESOURCE 0x00020000 305#define ACPI_BTYPE_NAMED_REFERENCE 0x00040000 /* Generic unresolved Name or Namepath */ 306 307#define ACPI_BTYPE_COMPUTE_DATA (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER) 308 309#define ACPI_BTYPE_DATA (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_PACKAGE) 310 311 /* Used by Copy, de_ref_of, Store, Printf, Fprintf */ 312 313#define ACPI_BTYPE_DATA_REFERENCE (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE_OBJECT | ACPI_BTYPE_DDB_HANDLE) 314#define ACPI_BTYPE_DEVICE_OBJECTS (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR) 315#define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */ 316#define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF 317 318#pragma pack(1) 319 320/* 321 * Information structure for ACPI predefined names. 322 * Each entry in the table contains the following items: 323 * 324 * name - The ACPI reserved name 325 * param_count - Number of arguments to the method 326 * expected_return_btypes - Allowed type(s) for the return value 327 */ 328struct acpi_name_info { 329 char name[ACPI_NAME_SIZE]; 330 u16 argument_list; 331 u8 expected_btypes; 332}; 333 334/* 335 * Secondary information structures for ACPI predefined objects that return 336 * package objects. This structure appears as the next entry in the table 337 * after the NAME_INFO structure above. 338 * 339 * The reason for this is to minimize the size of the predefined name table. 340 */ 341 342/* 343 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2, 344 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT, 345 * ACPI_PTYPE2_FIX_VAR 346 */ 347struct acpi_package_info { 348 u8 type; 349 u8 object_type1; 350 u8 count1; 351 u8 object_type2; 352 u8 count2; 353 u16 reserved; 354}; 355 356/* Used for ACPI_PTYPE2_FIXED */ 357 358struct acpi_package_info2 { 359 u8 type; 360 u8 count; 361 u8 object_type[4]; 362 u8 reserved; 363}; 364 365/* Used for ACPI_PTYPE1_OPTION */ 366 367struct acpi_package_info3 { 368 u8 type; 369 u8 count; 370 u8 object_type[2]; 371 u8 tail_object_type; 372 u16 reserved; 373}; 374 375struct acpi_package_info4 { 376 u8 type; 377 u8 object_type1; 378 u8 count1; 379 u8 sub_object_types; 380 u8 pkg_count; 381 u16 reserved; 382}; 383 384union acpi_predefined_info { 385 struct acpi_name_info info; 386 struct acpi_package_info ret_info; 387 struct acpi_package_info2 ret_info2; 388 struct acpi_package_info3 ret_info3; 389 struct acpi_package_info4 ret_info4; 390}; 391 392/* Reset to default packing */ 393 394#pragma pack() 395 396/* Return object auto-repair info */ 397 398typedef acpi_status(*acpi_object_converter) (struct acpi_namespace_node * scope, 399 union acpi_operand_object 400 *original_object, 401 union acpi_operand_object 402 **converted_object); 403 404struct acpi_simple_repair_info { 405 char name[ACPI_NAME_SIZE]; 406 u32 unexpected_btypes; 407 u32 package_index; 408 acpi_object_converter object_converter; 409}; 410 411/* 412 * Bitmapped return value types 413 * Note: the actual data types must be contiguous, a loop in nspredef.c 414 * depends on this. 415 */ 416#define ACPI_RTYPE_ANY 0x00 417#define ACPI_RTYPE_NONE 0x01 418#define ACPI_RTYPE_INTEGER 0x02 419#define ACPI_RTYPE_STRING 0x04 420#define ACPI_RTYPE_BUFFER 0x08 421#define ACPI_RTYPE_PACKAGE 0x10 422#define ACPI_RTYPE_REFERENCE 0x20 423#define ACPI_RTYPE_ALL 0x3F 424 425#define ACPI_NUM_RTYPES 5 /* Number of actual object types */ 426 427/* Info for running the _REG methods */ 428 429struct acpi_reg_walk_info { 430 acpi_adr_space_type space_id; 431 u32 function; 432 u32 reg_run_count; 433}; 434 435/***************************************************************************** 436 * 437 * Event typedefs and structs 438 * 439 ****************************************************************************/ 440 441/* Dispatch info for each host-installed SCI handler */ 442 443struct acpi_sci_handler_info { 444 struct acpi_sci_handler_info *next; 445 acpi_sci_handler address; /* Address of handler */ 446 void *context; /* Context to be passed to handler */ 447}; 448 449/* Dispatch info for each GPE -- either a method or handler, cannot be both */ 450 451struct acpi_gpe_handler_info { 452 acpi_gpe_handler address; /* Address of handler, if any */ 453 void *context; /* Context to be passed to handler */ 454 struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */ 455 u8 original_flags; /* Original (pre-handler) GPE info */ 456 u8 originally_enabled; /* True if GPE was originally enabled */ 457}; 458 459/* Notify info for implicit notify, multiple device objects */ 460 461struct acpi_gpe_notify_info { 462 struct acpi_namespace_node *device_node; /* Device to be notified */ 463 struct acpi_gpe_notify_info *next; 464}; 465 466/* 467 * GPE dispatch info. At any time, the GPE can have at most one type 468 * of dispatch - Method, Handler, or Implicit Notify. 469 */ 470union acpi_gpe_dispatch_info { 471 struct acpi_namespace_node *method_node; /* Method node for this GPE level */ 472 struct acpi_gpe_handler_info *handler; /* Installed GPE handler */ 473 struct acpi_gpe_notify_info *notify_list; /* List of _PRW devices for implicit notifies */ 474}; 475 476/* 477 * Information about a GPE, one per each GPE in an array. 478 * NOTE: Important to keep this struct as small as possible. 479 */ 480struct acpi_gpe_event_info { 481 union acpi_gpe_dispatch_info dispatch; /* Either Method, Handler, or notify_list */ 482 struct acpi_gpe_register_info *register_info; /* Backpointer to register info */ 483 u8 flags; /* Misc info about this GPE */ 484 u8 gpe_number; /* This GPE */ 485 u8 runtime_count; /* References to a run GPE */ 486}; 487 488/* Information about a GPE register pair, one per each status/enable pair in an array */ 489 490struct acpi_gpe_register_info { 491 struct acpi_generic_address status_address; /* Address of status reg */ 492 struct acpi_generic_address enable_address; /* Address of enable reg */ 493 u16 base_gpe_number; /* Base GPE number for this register */ 494 u8 enable_for_wake; /* GPEs to keep enabled when sleeping */ 495 u8 enable_for_run; /* GPEs to keep enabled when running */ 496 u8 enable_mask; /* Current mask of enabled GPEs */ 497}; 498 499/* 500 * Information about a GPE register block, one per each installed block -- 501 * GPE0, GPE1, and one per each installed GPE Block Device. 502 */ 503struct acpi_gpe_block_info { 504 struct acpi_namespace_node *node; 505 struct acpi_gpe_block_info *previous; 506 struct acpi_gpe_block_info *next; 507 struct acpi_gpe_xrupt_info *xrupt_block; /* Backpointer to interrupt block */ 508 struct acpi_gpe_register_info *register_info; /* One per GPE register pair */ 509 struct acpi_gpe_event_info *event_info; /* One for each GPE */ 510 u64 address; /* Base address of the block */ 511 u32 register_count; /* Number of register pairs in block */ 512 u16 gpe_count; /* Number of individual GPEs in block */ 513 u16 block_base_number; /* Base GPE number for this block */ 514 u8 space_id; 515 u8 initialized; /* TRUE if this block is initialized */ 516}; 517 518/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */ 519 520struct acpi_gpe_xrupt_info { 521 struct acpi_gpe_xrupt_info *previous; 522 struct acpi_gpe_xrupt_info *next; 523 struct acpi_gpe_block_info *gpe_block_list_head; /* List of GPE blocks for this xrupt */ 524 u32 interrupt_number; /* System interrupt number */ 525}; 526 527struct acpi_gpe_walk_info { 528 struct acpi_namespace_node *gpe_device; 529 struct acpi_gpe_block_info *gpe_block; 530 u16 count; 531 acpi_owner_id owner_id; 532 u8 execute_by_owner_id; 533}; 534 535struct acpi_gpe_device_info { 536 u32 index; 537 u32 next_block_base_index; 538 acpi_status status; 539 struct acpi_namespace_node *gpe_device; 540}; 541 542typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * 543 gpe_xrupt_info, 544 struct acpi_gpe_block_info *gpe_block, 545 void *context); 546 547/* Information about each particular fixed event */ 548 549struct acpi_fixed_event_handler { 550 acpi_event_handler handler; /* Address of handler. */ 551 void *context; /* Context to be passed to handler */ 552}; 553 554struct acpi_fixed_event_info { 555 u8 status_register_id; 556 u8 enable_register_id; 557 u16 status_bit_mask; 558 u16 enable_bit_mask; 559}; 560 561/* Information used during field processing */ 562 563struct acpi_field_info { 564 u8 skip_field; 565 u8 field_flag; 566 u32 pkg_length; 567}; 568 569/***************************************************************************** 570 * 571 * Generic "state" object for stacks 572 * 573 ****************************************************************************/ 574 575#define ACPI_CONTROL_NORMAL 0xC0 576#define ACPI_CONTROL_CONDITIONAL_EXECUTING 0xC1 577#define ACPI_CONTROL_PREDICATE_EXECUTING 0xC2 578#define ACPI_CONTROL_PREDICATE_FALSE 0xC3 579#define ACPI_CONTROL_PREDICATE_TRUE 0xC4 580 581#define ACPI_STATE_COMMON \ 582 void *next; \ 583 u8 descriptor_type; /* To differentiate various internal objs */\ 584 u8 flags; \ 585 u16 value; \ 586 u16 state; 587 588 /* There are 2 bytes available here until the next natural alignment boundary */ 589 590struct acpi_common_state { 591ACPI_STATE_COMMON}; 592 593/* 594 * Update state - used to traverse complex objects such as packages 595 */ 596struct acpi_update_state { 597 ACPI_STATE_COMMON union acpi_operand_object *object; 598}; 599 600/* 601 * Pkg state - used to traverse nested package structures 602 */ 603struct acpi_pkg_state { 604 ACPI_STATE_COMMON u16 index; 605 union acpi_operand_object *source_object; 606 union acpi_operand_object *dest_object; 607 struct acpi_walk_state *walk_state; 608 void *this_target_obj; 609 u32 num_packages; 610}; 611 612/* 613 * Control state - one per if/else and while constructs. 614 * Allows nesting of these constructs 615 */ 616struct acpi_control_state { 617 ACPI_STATE_COMMON u16 opcode; 618 union acpi_parse_object *predicate_op; 619 u8 *aml_predicate_start; /* Start of if/while predicate */ 620 u8 *package_end; /* End of if/while block */ 621 u32 loop_count; /* While() loop counter */ 622}; 623 624/* 625 * Scope state - current scope during namespace lookups 626 */ 627struct acpi_scope_state { 628 ACPI_STATE_COMMON struct acpi_namespace_node *node; 629}; 630 631struct acpi_pscope_state { 632 ACPI_STATE_COMMON u32 arg_count; /* Number of fixed arguments */ 633 union acpi_parse_object *op; /* Current op being parsed */ 634 u8 *arg_end; /* Current argument end */ 635 u8 *pkg_end; /* Current package end */ 636 u32 arg_list; /* Next argument to parse */ 637}; 638 639/* 640 * Thread state - one per thread across multiple walk states. Multiple walk 641 * states are created when there are nested control methods executing. 642 */ 643struct acpi_thread_state { 644 ACPI_STATE_COMMON u8 current_sync_level; /* Mutex Sync (nested acquire) level */ 645 struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */ 646 union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */ 647 acpi_thread_id thread_id; /* Running thread ID */ 648}; 649 650/* 651 * Result values - used to accumulate the results of nested 652 * AML arguments 653 */ 654struct acpi_result_values { 655 ACPI_STATE_COMMON 656 union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM]; 657}; 658 659typedef 660acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, 661 union acpi_parse_object ** out_op); 662 663typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); 664 665/* Global handlers for AML Notifies */ 666 667struct acpi_global_notify_handler { 668 acpi_notify_handler handler; 669 void *context; 670}; 671 672/* 673 * Notify info - used to pass info to the deferred notify 674 * handler/dispatcher. 675 */ 676struct acpi_notify_info { 677 ACPI_STATE_COMMON u8 handler_list_id; 678 struct acpi_namespace_node *node; 679 union acpi_operand_object *handler_list_head; 680 struct acpi_global_notify_handler *global; 681}; 682 683/* Generic state is union of structs above */ 684 685union acpi_generic_state { 686 struct acpi_common_state common; 687 struct acpi_control_state control; 688 struct acpi_update_state update; 689 struct acpi_scope_state scope; 690 struct acpi_pscope_state parse_scope; 691 struct acpi_pkg_state pkg; 692 struct acpi_thread_state thread; 693 struct acpi_result_values results; 694 struct acpi_notify_info notify; 695}; 696 697/***************************************************************************** 698 * 699 * Interpreter typedefs and structs 700 * 701 ****************************************************************************/ 702 703typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state); 704 705/* Address Range info block */ 706 707struct acpi_address_range { 708 struct acpi_address_range *next; 709 struct acpi_namespace_node *region_node; 710 acpi_physical_address start_address; 711 acpi_physical_address end_address; 712}; 713 714/***************************************************************************** 715 * 716 * Parser typedefs and structs 717 * 718 ****************************************************************************/ 719 720/* 721 * AML opcode, name, and argument layout 722 */ 723struct acpi_opcode_info { 724#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) 725 char *name; /* Opcode name (disassembler/debug only) */ 726#endif 727 u32 parse_args; /* Grammar/Parse time arguments */ 728 u32 runtime_args; /* Interpret time arguments */ 729 u16 flags; /* Misc flags */ 730 u8 object_type; /* Corresponding internal object type */ 731 u8 class; /* Opcode class */ 732 u8 type; /* Opcode type */ 733}; 734 735/* Value associated with the parse object */ 736 737union acpi_parse_value { 738 u64 integer; /* Integer constant (Up to 64 bits) */ 739 u32 size; /* bytelist or field size */ 740 char *string; /* NULL terminated string */ 741 u8 *buffer; /* buffer or string */ 742 char *name; /* NULL terminated string */ 743 union acpi_parse_object *arg; /* arguments and contained ops */ 744}; 745 746#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) 747#define ACPI_DISASM_ONLY_MEMBERS(a) a; 748#else 749#define ACPI_DISASM_ONLY_MEMBERS(a) 750#endif 751 752#define ACPI_PARSE_COMMON \ 753 union acpi_parse_object *parent; /* Parent op */\ 754 u8 descriptor_type; /* To differentiate various internal objs */\ 755 u8 flags; /* Type of Op */\ 756 u16 aml_opcode; /* AML opcode */\ 757 u8 *aml; /* Address of declaration in AML */\ 758 union acpi_parse_object *next; /* Next op */\ 759 struct acpi_namespace_node *node; /* For use by interpreter */\ 760 union acpi_parse_value value; /* Value or args associated with the opcode */\ 761 u8 arg_list_length; /* Number of elements in the arg list */\ 762 ACPI_DISASM_ONLY_MEMBERS (\ 763 u8 disasm_flags; /* Used during AML disassembly */\ 764 u8 disasm_opcode; /* Subtype used for disassembly */\ 765 char *operator_symbol;/* Used for C-style operator name strings */\ 766 char aml_op_name[16]) /* Op name (debug only) */ 767 768/* Flags for disasm_flags field above */ 769 770#define ACPI_DASM_BUFFER 0x00 /* Buffer is a simple data buffer */ 771#define ACPI_DASM_RESOURCE 0x01 /* Buffer is a Resource Descriptor */ 772#define ACPI_DASM_STRING 0x02 /* Buffer is a ASCII string */ 773#define ACPI_DASM_UNICODE 0x03 /* Buffer is a Unicode string */ 774#define ACPI_DASM_PLD_METHOD 0x04 /* Buffer is a _PLD method bit-packed buffer */ 775#define ACPI_DASM_UUID 0x05 /* Buffer is a UUID/GUID */ 776#define ACPI_DASM_EISAID 0x06 /* Integer is an EISAID */ 777#define ACPI_DASM_MATCHOP 0x07 /* Parent opcode is a Match() operator */ 778#define ACPI_DASM_LNOT_PREFIX 0x08 /* Start of a Lnot_equal (etc.) pair of opcodes */ 779#define ACPI_DASM_LNOT_SUFFIX 0x09 /* End of a Lnot_equal (etc.) pair of opcodes */ 780#define ACPI_DASM_HID_STRING 0x0A /* String is a _HID or _CID */ 781#define ACPI_DASM_IGNORE 0x0B /* Not used at this time */ 782 783/* 784 * Generic operation (for example: If, While, Store) 785 */ 786struct acpi_parse_obj_common { 787ACPI_PARSE_COMMON}; 788 789/* 790 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions), 791 * and bytelists. 792 */ 793struct acpi_parse_obj_named { 794 ACPI_PARSE_COMMON u8 *path; 795 u8 *data; /* AML body or bytelist data */ 796 u32 length; /* AML length */ 797 u32 name; /* 4-byte name or zero if no name */ 798}; 799 800/* This version is used by the iASL compiler only */ 801 802#define ACPI_MAX_PARSEOP_NAME 20 803 804struct acpi_parse_obj_asl { 805 ACPI_PARSE_COMMON union acpi_parse_object *child; 806 union acpi_parse_object *parent_method; 807 char *filename; 808 char *external_name; 809 char *namepath; 810 char name_seg[4]; 811 u32 extra_value; 812 u32 column; 813 u32 line_number; 814 u32 logical_line_number; 815 u32 logical_byte_offset; 816 u32 end_line; 817 u32 end_logical_line; 818 u32 acpi_btype; 819 u32 aml_length; 820 u32 aml_subtree_length; 821 u32 final_aml_length; 822 u32 final_aml_offset; 823 u32 compile_flags; 824 u16 parse_opcode; 825 u8 aml_opcode_length; 826 u8 aml_pkg_len_bytes; 827 u8 extra; 828 char parse_op_name[ACPI_MAX_PARSEOP_NAME]; 829}; 830 831union acpi_parse_object { 832 struct acpi_parse_obj_common common; 833 struct acpi_parse_obj_named named; 834 struct acpi_parse_obj_asl asl; 835}; 836 837/* 838 * Parse state - one state per parser invocation and each control 839 * method. 840 */ 841struct acpi_parse_state { 842 u8 *aml_start; /* First AML byte */ 843 u8 *aml; /* Next AML byte */ 844 u8 *aml_end; /* (last + 1) AML byte */ 845 u8 *pkg_start; /* Current package begin */ 846 u8 *pkg_end; /* Current package end */ 847 union acpi_parse_object *start_op; /* Root of parse tree */ 848 struct acpi_namespace_node *start_node; 849 union acpi_generic_state *scope; /* Current scope */ 850 union acpi_parse_object *start_scope; 851 u32 aml_size; 852}; 853 854/* Parse object flags */ 855 856#define ACPI_PARSEOP_GENERIC 0x01 857#define ACPI_PARSEOP_NAMED 0x02 858#define ACPI_PARSEOP_DEFERRED 0x04 859#define ACPI_PARSEOP_BYTELIST 0x08 860#define ACPI_PARSEOP_IN_STACK 0x10 861#define ACPI_PARSEOP_TARGET 0x20 862#define ACPI_PARSEOP_IN_CACHE 0x80 863 864/* Parse object disasm_flags */ 865 866#define ACPI_PARSEOP_IGNORE 0x01 867#define ACPI_PARSEOP_PARAMLIST 0x02 868#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 869#define ACPI_PARSEOP_PREDEF_CHECKED 0x08 870#define ACPI_PARSEOP_CLOSING_PAREN 0x10 871#define ACPI_PARSEOP_COMPOUND 0x20 872#define ACPI_PARSEOP_ASSIGNMENT 0x40 873#define ACPI_PARSEOP_ELSEIF 0x80 874 875/***************************************************************************** 876 * 877 * Hardware (ACPI registers) and PNP 878 * 879 ****************************************************************************/ 880 881struct acpi_bit_register_info { 882 u8 parent_register; 883 u8 bit_position; 884 u16 access_bit_mask; 885}; 886 887/* 888 * Some ACPI registers have bits that must be ignored -- meaning that they 889 * must be preserved. 890 */ 891#define ACPI_PM1_STATUS_PRESERVED_BITS 0x0800 /* Bit 11 */ 892 893/* Write-only bits must be zeroed by software */ 894 895#define ACPI_PM1_CONTROL_WRITEONLY_BITS 0x2004 /* Bits 13, 2 */ 896 897/* For control registers, both ignored and reserved bits must be preserved */ 898 899/* 900 * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the 901 * ACPI specification to be a "preserved" bit - "OSPM always preserves this 902 * bit position", section 4.7.3.2.1. However, on some machines the OS must 903 * write a one to this bit after resume for the machine to work properly. 904 * To enable this, we no longer attempt to preserve this bit. No machines 905 * are known to fail if the bit is not preserved. (May 2009) 906 */ 907#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bit 9 */ 908#define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */ 909#define ACPI_PM1_CONTROL_PRESERVED_BITS \ 910 (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS) 911 912#define ACPI_PM2_CONTROL_PRESERVED_BITS 0xFFFFFFFE /* All except bit 0 */ 913 914/* 915 * Register IDs 916 * These are the full ACPI registers 917 */ 918#define ACPI_REGISTER_PM1_STATUS 0x01 919#define ACPI_REGISTER_PM1_ENABLE 0x02 920#define ACPI_REGISTER_PM1_CONTROL 0x03 921#define ACPI_REGISTER_PM2_CONTROL 0x04 922#define ACPI_REGISTER_PM_TIMER 0x05 923#define ACPI_REGISTER_PROCESSOR_BLOCK 0x06 924#define ACPI_REGISTER_SMI_COMMAND_BLOCK 0x07 925 926/* Masks used to access the bit_registers */ 927 928#define ACPI_BITMASK_TIMER_STATUS 0x0001 929#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010 930#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020 931#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100 932#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200 933#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400 934#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */ 935#define ACPI_BITMASK_WAKE_STATUS 0x8000 936 937#define ACPI_BITMASK_ALL_FIXED_STATUS (\ 938 ACPI_BITMASK_TIMER_STATUS | \ 939 ACPI_BITMASK_BUS_MASTER_STATUS | \ 940 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \ 941 ACPI_BITMASK_POWER_BUTTON_STATUS | \ 942 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \ 943 ACPI_BITMASK_RT_CLOCK_STATUS | \ 944 ACPI_BITMASK_PCIEXP_WAKE_STATUS | \ 945 ACPI_BITMASK_WAKE_STATUS) 946 947#define ACPI_BITMASK_TIMER_ENABLE 0x0001 948#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020 949#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100 950#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200 951#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400 952#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */ 953 954#define ACPI_BITMASK_SCI_ENABLE 0x0001 955#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002 956#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004 957#define ACPI_BITMASK_SLEEP_TYPE 0x1C00 958#define ACPI_BITMASK_SLEEP_ENABLE 0x2000 959 960#define ACPI_BITMASK_ARB_DISABLE 0x0001 961 962/* Raw bit position of each bit_register */ 963 964#define ACPI_BITPOSITION_TIMER_STATUS 0x00 965#define ACPI_BITPOSITION_BUS_MASTER_STATUS 0x04 966#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS 0x05 967#define ACPI_BITPOSITION_POWER_BUTTON_STATUS 0x08 968#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS 0x09 969#define ACPI_BITPOSITION_RT_CLOCK_STATUS 0x0A 970#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS 0x0E /* ACPI 3.0 */ 971#define ACPI_BITPOSITION_WAKE_STATUS 0x0F 972 973#define ACPI_BITPOSITION_TIMER_ENABLE 0x00 974#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE 0x05 975#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE 0x08 976#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE 0x09 977#define ACPI_BITPOSITION_RT_CLOCK_ENABLE 0x0A 978#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE 0x0E /* ACPI 3.0 */ 979 980#define ACPI_BITPOSITION_SCI_ENABLE 0x00 981#define ACPI_BITPOSITION_BUS_MASTER_RLD 0x01 982#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE 0x02 983#define ACPI_BITPOSITION_SLEEP_TYPE 0x0A 984#define ACPI_BITPOSITION_SLEEP_ENABLE 0x0D 985 986#define ACPI_BITPOSITION_ARB_DISABLE 0x00 987 988/* Structs and definitions for _OSI support and I/O port validation */ 989 990#define ACPI_ALWAYS_ILLEGAL 0x00 991 992struct acpi_interface_info { 993 char *name; 994 struct acpi_interface_info *next; 995 u8 flags; 996 u8 value; 997}; 998 999#define ACPI_OSI_INVALID 0x01 1000#define ACPI_OSI_DYNAMIC 0x02
1001#define ACPI_OSI_FEATURE 0x04 1002#define ACPI_OSI_DEFAULT_INVALID 0x08 1003#define ACPI_OSI_OPTIONAL_FEATURE (ACPI_OSI_FEATURE | ACPI_OSI_DEFAULT_INVALID | ACPI_OSI_INVALID) 1004 1005struct acpi_port_info { 1006 char *name; 1007 u16 start; 1008 u16 end; 1009 u8 osi_dependency; 1010}; 1011 1012/***************************************************************************** 1013 * 1014 * Resource descriptors 1015 * 1016 ****************************************************************************/ 1017 1018/* resource_type values */ 1019 1020#define ACPI_ADDRESS_TYPE_MEMORY_RANGE 0 1021#define ACPI_ADDRESS_TYPE_IO_RANGE 1 1022#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE 2 1023 1024/* Resource descriptor types and masks */ 1025 1026#define ACPI_RESOURCE_NAME_LARGE 0x80 1027#define ACPI_RESOURCE_NAME_SMALL 0x00 1028 1029#define ACPI_RESOURCE_NAME_SMALL_MASK 0x78 /* Bits 6:3 contain the type */ 1030#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK 0x07 /* Bits 2:0 contain the length */ 1031#define ACPI_RESOURCE_NAME_LARGE_MASK 0x7F /* Bits 6:0 contain the type */ 1032 1033/* 1034 * Small resource descriptor "names" as defined by the ACPI specification. 1035 * Note: Bits 2:0 are used for the descriptor length 1036 */ 1037#define ACPI_RESOURCE_NAME_IRQ 0x20 1038#define ACPI_RESOURCE_NAME_DMA 0x28 1039#define ACPI_RESOURCE_NAME_START_DEPENDENT 0x30 1040#define ACPI_RESOURCE_NAME_END_DEPENDENT 0x38 1041#define ACPI_RESOURCE_NAME_IO 0x40 1042#define ACPI_RESOURCE_NAME_FIXED_IO 0x48 1043#define ACPI_RESOURCE_NAME_FIXED_DMA 0x50 1044#define ACPI_RESOURCE_NAME_RESERVED_S2 0x58 1045#define ACPI_RESOURCE_NAME_RESERVED_S3 0x60 1046#define ACPI_RESOURCE_NAME_RESERVED_S4 0x68 1047#define ACPI_RESOURCE_NAME_VENDOR_SMALL 0x70 1048#define ACPI_RESOURCE_NAME_END_TAG 0x78 1049 1050/* 1051 * Large resource descriptor "names" as defined by the ACPI specification. 1052 * Note: includes the Large Descriptor bit in bit[7] 1053 */ 1054#define ACPI_RESOURCE_NAME_MEMORY24 0x81 1055#define ACPI_RESOURCE_NAME_GENERIC_REGISTER 0x82 1056#define ACPI_RESOURCE_NAME_RESERVED_L1 0x83 1057#define ACPI_RESOURCE_NAME_VENDOR_LARGE 0x84 1058#define ACPI_RESOURCE_NAME_MEMORY32 0x85 1059#define ACPI_RESOURCE_NAME_FIXED_MEMORY32 0x86 1060#define ACPI_RESOURCE_NAME_ADDRESS32 0x87 1061#define ACPI_RESOURCE_NAME_ADDRESS16 0x88 1062#define ACPI_RESOURCE_NAME_EXTENDED_IRQ 0x89 1063#define ACPI_RESOURCE_NAME_ADDRESS64 0x8A 1064#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 0x8B 1065#define ACPI_RESOURCE_NAME_GPIO 0x8C 1066#define ACPI_RESOURCE_NAME_SERIAL_BUS 0x8E 1067#define ACPI_RESOURCE_NAME_LARGE_MAX 0x8E 1068 1069/***************************************************************************** 1070 * 1071 * Miscellaneous 1072 * 1073 ****************************************************************************/ 1074 1075#define ACPI_ASCII_ZERO 0x30 1076 1077/***************************************************************************** 1078 * 1079 * Disassembler 1080 * 1081 ****************************************************************************/ 1082 1083struct acpi_external_list { 1084 char *path; 1085 char *internal_path; 1086 struct acpi_external_list *next; 1087 u32 value; 1088 u16 length; 1089 u16 flags; 1090 u8 type; 1091}; 1092 1093/* Values for Flags field above */ 1094 1095#define ACPI_EXT_RESOLVED_REFERENCE 0x01 /* Object was resolved during cross ref */ 1096#define ACPI_EXT_ORIGIN_FROM_FILE 0x02 /* External came from a file */ 1097#define ACPI_EXT_INTERNAL_PATH_ALLOCATED 0x04 /* Deallocate internal path on completion */ 1098#define ACPI_EXT_EXTERNAL_EMITTED 0x08 /* External() statement has been emitted */ 1099 1100struct acpi_external_file { 1101 char *path; 1102 struct acpi_external_file *next; 1103}; 1104 1105/***************************************************************************** 1106 * 1107 * Debugger 1108 * 1109 ****************************************************************************/ 1110 1111struct acpi_db_method_info { 1112 acpi_handle method; 1113 acpi_handle main_thread_gate; 1114 acpi_handle thread_complete_gate; 1115 acpi_handle info_gate; 1116 acpi_thread_id *threads; 1117 u32 num_threads; 1118 u32 num_created; 1119 u32 num_completed; 1120 1121 char *name; 1122 u32 flags; 1123 u32 num_loops; 1124 char pathname[ACPI_DB_LINE_BUFFER_SIZE]; 1125 char **args; 1126 acpi_object_type *types; 1127 1128 /* 1129 * Arguments to be passed to method for the command 1130 * Threads - 1131 * the Number of threads, ID of current thread and 1132 * Index of current thread inside all them created. 1133 */ 1134 char init_args; 1135#ifdef ACPI_DEBUGGER 1136 acpi_object_type arg_types[4]; 1137#endif 1138 char *arguments[4]; 1139 char num_threads_str[11]; 1140 char id_of_thread_str[11]; 1141 char index_of_thread_str[11]; 1142}; 1143 1144struct acpi_integrity_info { 1145 u32 nodes; 1146 u32 objects; 1147}; 1148 1149#define ACPI_DB_DISABLE_OUTPUT 0x00 1150#define ACPI_DB_REDIRECTABLE_OUTPUT 0x01 1151#define ACPI_DB_CONSOLE_OUTPUT 0x02 1152#define ACPI_DB_DUPLICATE_OUTPUT 0x03 1153 1154struct acpi_object_info { 1155 u32 types[ACPI_TOTAL_TYPES]; 1156}; 1157 1158/***************************************************************************** 1159 * 1160 * Debug 1161 * 1162 ****************************************************************************/ 1163 1164/* Entry for a memory allocation (debug only) */ 1165 1166#define ACPI_MEM_MALLOC 0 1167#define ACPI_MEM_CALLOC 1 1168#define ACPI_MAX_MODULE_NAME 16 1169 1170#define ACPI_COMMON_DEBUG_MEM_HEADER \ 1171 struct acpi_debug_mem_block *previous; \ 1172 struct acpi_debug_mem_block *next; \ 1173 u32 size; \ 1174 u32 component; \ 1175 u32 line; \ 1176 char module[ACPI_MAX_MODULE_NAME]; \ 1177 u8 alloc_type; 1178 1179struct acpi_debug_mem_header { 1180ACPI_COMMON_DEBUG_MEM_HEADER}; 1181 1182struct acpi_debug_mem_block { 1183 ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space; 1184}; 1185 1186#define ACPI_MEM_LIST_GLOBAL 0 1187#define ACPI_MEM_LIST_NSNODE 1 1188#define ACPI_MEM_LIST_MAX 1 1189#define ACPI_NUM_MEM_LISTS 2 1190 1191/***************************************************************************** 1192 * 1193 * Info/help support 1194 * 1195 ****************************************************************************/ 1196 1197struct ah_predefined_name { 1198 char *name; 1199 char *description; 1200#ifndef ACPI_ASL_COMPILER 1201 char *action; 1202#endif 1203}; 1204 1205struct ah_device_id { 1206 char *name; 1207 char *description; 1208}; 1209 1210struct ah_uuid { 1211 char *description; 1212 char *string; 1213}; 1214 1215struct ah_table { 1216 char *signature; 1217 char *description; 1218}; 1219 1220#endif /* __ACLOCAL_H__ */ 1221