linux/drivers/acpi/acpica/aclocal.h
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   1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Name: aclocal.h - Internal data types used across the ACPI subsystem
   5 *
   6 * Copyright (C) 2000 - 2019, Intel Corp.
   7 *
   8 *****************************************************************************/
   9
  10#ifndef __ACLOCAL_H__
  11#define __ACLOCAL_H__
  12
  13/* acpisrc:struct_defs -- for acpisrc conversion */
  14
  15#define ACPI_SERIALIZED                 0xFF
  16
  17typedef u32 acpi_mutex_handle;
  18#define ACPI_GLOBAL_LOCK                (acpi_semaphore) (-1)
  19
  20/* Total number of aml opcodes defined */
  21
  22#define AML_NUM_OPCODES                 0x83
  23
  24/* Forward declarations */
  25
  26struct acpi_walk_state;
  27struct acpi_obj_mutex;
  28union acpi_parse_object;
  29
  30/*****************************************************************************
  31 *
  32 * Mutex typedefs and structs
  33 *
  34 ****************************************************************************/
  35
  36/*
  37 * Predefined handles for the mutex objects used within the subsystem
  38 * All mutex objects are automatically created by acpi_ut_mutex_initialize.
  39 *
  40 * The acquire/release ordering protocol is implied via this list. Mutexes
  41 * with a lower value must be acquired before mutexes with a higher value.
  42 *
  43 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
  44 * table below also!
  45 */
  46#define ACPI_MTX_INTERPRETER            0       /* AML Interpreter, main lock */
  47#define ACPI_MTX_NAMESPACE              1       /* ACPI Namespace */
  48#define ACPI_MTX_TABLES                 2       /* Data for ACPI tables */
  49#define ACPI_MTX_EVENTS                 3       /* Data for ACPI events */
  50#define ACPI_MTX_CACHES                 4       /* Internal caches, general purposes */
  51#define ACPI_MTX_MEMORY                 5       /* Debug memory tracking lists */
  52
  53#define ACPI_MAX_MUTEX                  5
  54#define ACPI_NUM_MUTEX                  (ACPI_MAX_MUTEX+1)
  55
  56/* Lock structure for reader/writer interfaces */
  57
  58struct acpi_rw_lock {
  59        acpi_mutex writer_mutex;
  60        acpi_mutex reader_mutex;
  61        u32 num_readers;
  62};
  63
  64/*
  65 * Predefined handles for spinlocks used within the subsystem.
  66 * These spinlocks are created by acpi_ut_mutex_initialize
  67 */
  68#define ACPI_LOCK_GPES                  0
  69#define ACPI_LOCK_HARDWARE              1
  70
  71#define ACPI_MAX_LOCK                   1
  72#define ACPI_NUM_LOCK                   (ACPI_MAX_LOCK+1)
  73
  74/* This Thread ID means that the mutex is not in use (unlocked) */
  75
  76#define ACPI_MUTEX_NOT_ACQUIRED         ((acpi_thread_id) 0)
  77
  78/* This Thread ID means an invalid thread ID */
  79
  80#ifdef ACPI_OS_INVALID_THREAD_ID
  81#define ACPI_INVALID_THREAD_ID          ACPI_OS_INVALID_THREAD_ID
  82#else
  83#define ACPI_INVALID_THREAD_ID          ((acpi_thread_id) 0xFFFFFFFF)
  84#endif
  85
  86/* Table for the global mutexes */
  87
  88struct acpi_mutex_info {
  89        acpi_mutex mutex;
  90        u32 use_count;
  91        acpi_thread_id thread_id;
  92};
  93
  94/* Lock flag parameter for various interfaces */
  95
  96#define ACPI_MTX_DO_NOT_LOCK            0
  97#define ACPI_MTX_LOCK                   1
  98
  99/* Field access granularities */
 100
 101#define ACPI_FIELD_BYTE_GRANULARITY     1
 102#define ACPI_FIELD_WORD_GRANULARITY     2
 103#define ACPI_FIELD_DWORD_GRANULARITY    4
 104#define ACPI_FIELD_QWORD_GRANULARITY    8
 105
 106#define ACPI_ENTRY_NOT_FOUND            NULL
 107
 108/*****************************************************************************
 109 *
 110 * Namespace typedefs and structs
 111 *
 112 ****************************************************************************/
 113
 114/* Operational modes of the AML interpreter/scanner */
 115
 116typedef enum {
 117        ACPI_IMODE_LOAD_PASS1 = 0x01,
 118        ACPI_IMODE_LOAD_PASS2 = 0x02,
 119        ACPI_IMODE_EXECUTE = 0x03
 120} acpi_interpreter_mode;
 121
 122/*
 123 * The Namespace Node describes a named object that appears in the AML.
 124 * descriptor_type is used to differentiate between internal descriptors.
 125 *
 126 * The node is optimized for both 32-bit and 64-bit platforms:
 127 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
 128 *
 129 * Note: The descriptor_type and Type fields must appear in the identical
 130 * position in both the struct acpi_namespace_node and union acpi_operand_object
 131 * structures.
 132 */
 133struct acpi_namespace_node {
 134        union acpi_operand_object *object;      /* Interpreter object */
 135        u8 descriptor_type;     /* Differentiate object descriptor types */
 136        u8 type;                /* ACPI Type associated with this name */
 137        u8 flags;               /* Miscellaneous flags */
 138        acpi_owner_id owner_id; /* Node creator */
 139        union acpi_name_union name;     /* ACPI Name, always 4 chars per ACPI spec */
 140        struct acpi_namespace_node *parent;     /* Parent node */
 141        struct acpi_namespace_node *child;      /* First child */
 142        struct acpi_namespace_node *peer;       /* First peer */
 143
 144        /*
 145         * The following fields are used by the ASL compiler and disassembler only
 146         */
 147#ifdef ACPI_LARGE_NAMESPACE_NODE
 148        union acpi_parse_object *op;
 149        void *method_locals;
 150        void *method_args;
 151        u32 value;
 152        u32 length;
 153        u8 arg_count;
 154
 155#endif
 156};
 157
 158/* Namespace Node flags */
 159
 160#define ANOBJ_RESERVED                  0x01    /* Available for use */
 161#define ANOBJ_TEMPORARY                 0x02    /* Node is create by a method and is temporary */
 162#define ANOBJ_METHOD_ARG                0x04    /* Node is a method argument */
 163#define ANOBJ_METHOD_LOCAL              0x08    /* Node is a method local */
 164#define ANOBJ_SUBTREE_HAS_INI           0x10    /* Used to optimize device initialization */
 165#define ANOBJ_EVALUATED                 0x20    /* Set on first evaluation of node */
 166#define ANOBJ_ALLOCATED_BUFFER          0x40    /* Method AML buffer is dynamic (install_method) */
 167#define ANOBJ_NODE_EARLY_INIT           0x80    /* acpi_exec only: Node was create via init file (-fi) */
 168
 169#define ANOBJ_IS_EXTERNAL               0x08    /* iASL only: This object created via External() */
 170#define ANOBJ_METHOD_NO_RETVAL          0x10    /* iASL only: Method has no return value */
 171#define ANOBJ_METHOD_SOME_NO_RETVAL     0x20    /* iASL only: Method has at least one return value */
 172#define ANOBJ_IS_REFERENCED             0x80    /* iASL only: Object was referenced */
 173
 174/* Internal ACPI table management - master table list */
 175
 176struct acpi_table_list {
 177        struct acpi_table_desc *tables; /* Table descriptor array */
 178        u32 current_table_count;        /* Tables currently in the array */
 179        u32 max_table_count;    /* Max tables array will hold */
 180        u8 flags;
 181};
 182
 183/* Flags for above */
 184
 185#define ACPI_ROOT_ORIGIN_UNKNOWN        (0)     /* ~ORIGIN_ALLOCATED */
 186#define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
 187#define ACPI_ROOT_ALLOW_RESIZE          (2)
 188
 189/* List to manage incoming ACPI tables */
 190
 191struct acpi_new_table_desc {
 192        struct acpi_table_header *table;
 193        struct acpi_new_table_desc *next;
 194};
 195
 196/* Predefined table indexes */
 197
 198#define ACPI_INVALID_TABLE_INDEX        (0xFFFFFFFF)
 199
 200struct acpi_find_context {
 201        char *search_for;
 202        acpi_handle *list;
 203        u32 *count;
 204};
 205
 206struct acpi_ns_search_data {
 207        struct acpi_namespace_node *node;
 208};
 209
 210/* Object types used during package copies */
 211
 212#define ACPI_COPY_TYPE_SIMPLE           0
 213#define ACPI_COPY_TYPE_PACKAGE          1
 214
 215/* Info structure used to convert external<->internal namestrings */
 216
 217struct acpi_namestring_info {
 218        const char *external_name;
 219        const char *next_external_char;
 220        char *internal_name;
 221        u32 length;
 222        u32 num_segments;
 223        u32 num_carats;
 224        u8 fully_qualified;
 225};
 226
 227/* Field creation info */
 228
 229struct acpi_create_field_info {
 230        struct acpi_namespace_node *region_node;
 231        struct acpi_namespace_node *field_node;
 232        struct acpi_namespace_node *register_node;
 233        struct acpi_namespace_node *data_register_node;
 234        struct acpi_namespace_node *connection_node;
 235        u8 *resource_buffer;
 236        u32 bank_value;
 237        u32 field_bit_position;
 238        u32 field_bit_length;
 239        u16 resource_length;
 240        u16 pin_number_index;
 241        u8 field_flags;
 242        u8 attribute;
 243        u8 field_type;
 244        u8 access_length;
 245};
 246
 247typedef
 248acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state);
 249
 250/*
 251 * Bitmapped ACPI types. Used internally only
 252 */
 253#define ACPI_BTYPE_ANY                  0x00000000
 254#define ACPI_BTYPE_INTEGER              0x00000001
 255#define ACPI_BTYPE_STRING               0x00000002
 256#define ACPI_BTYPE_BUFFER               0x00000004
 257#define ACPI_BTYPE_PACKAGE              0x00000008
 258#define ACPI_BTYPE_FIELD_UNIT           0x00000010
 259#define ACPI_BTYPE_DEVICE               0x00000020
 260#define ACPI_BTYPE_EVENT                0x00000040
 261#define ACPI_BTYPE_METHOD               0x00000080
 262#define ACPI_BTYPE_MUTEX                0x00000100
 263#define ACPI_BTYPE_REGION               0x00000200
 264#define ACPI_BTYPE_POWER                0x00000400
 265#define ACPI_BTYPE_PROCESSOR            0x00000800
 266#define ACPI_BTYPE_THERMAL              0x00001000
 267#define ACPI_BTYPE_BUFFER_FIELD         0x00002000
 268#define ACPI_BTYPE_DDB_HANDLE           0x00004000
 269#define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
 270#define ACPI_BTYPE_REFERENCE_OBJECT     0x00010000      /* From Index(), ref_of(), etc (type6_opcodes) */
 271#define ACPI_BTYPE_RESOURCE             0x00020000
 272#define ACPI_BTYPE_NAMED_REFERENCE      0x00040000      /* Generic unresolved Name or Namepath */
 273
 274#define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
 275
 276#define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
 277
 278        /* Used by Copy, de_ref_of, Store, Printf, Fprintf */
 279
 280#define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE_OBJECT | ACPI_BTYPE_DDB_HANDLE)
 281#define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
 282#define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF      /* ARG or LOCAL */
 283#define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
 284
 285#pragma pack(1)
 286
 287/*
 288 * Information structure for ACPI predefined names.
 289 * Each entry in the table contains the following items:
 290 *
 291 * name                 - The ACPI reserved name
 292 * param_count          - Number of arguments to the method
 293 * expected_return_btypes - Allowed type(s) for the return value
 294 */
 295struct acpi_name_info {
 296        char name[ACPI_NAMESEG_SIZE];
 297        u16 argument_list;
 298        u8 expected_btypes;
 299};
 300
 301/*
 302 * Secondary information structures for ACPI predefined objects that return
 303 * package objects. This structure appears as the next entry in the table
 304 * after the NAME_INFO structure above.
 305 *
 306 * The reason for this is to minimize the size of the predefined name table.
 307 */
 308
 309/*
 310 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
 311 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT,
 312 * ACPI_PTYPE2_FIX_VAR
 313 */
 314struct acpi_package_info {
 315        u8 type;
 316        u8 object_type1;
 317        u8 count1;
 318        u8 object_type2;
 319        u8 count2;
 320        u16 reserved;
 321};
 322
 323/* Used for ACPI_PTYPE2_FIXED */
 324
 325struct acpi_package_info2 {
 326        u8 type;
 327        u8 count;
 328        u8 object_type[4];
 329        u8 reserved;
 330};
 331
 332/* Used for ACPI_PTYPE1_OPTION */
 333
 334struct acpi_package_info3 {
 335        u8 type;
 336        u8 count;
 337        u8 object_type[2];
 338        u8 tail_object_type;
 339        u16 reserved;
 340};
 341
 342struct acpi_package_info4 {
 343        u8 type;
 344        u8 object_type1;
 345        u8 count1;
 346        u8 sub_object_types;
 347        u8 pkg_count;
 348        u16 reserved;
 349};
 350
 351union acpi_predefined_info {
 352        struct acpi_name_info info;
 353        struct acpi_package_info ret_info;
 354        struct acpi_package_info2 ret_info2;
 355        struct acpi_package_info3 ret_info3;
 356        struct acpi_package_info4 ret_info4;
 357};
 358
 359/* Reset to default packing */
 360
 361#pragma pack()
 362
 363/* Return object auto-repair info */
 364
 365typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node *
 366                                              scope,
 367                                              union acpi_operand_object *
 368                                              original_object,
 369                                              union acpi_operand_object **
 370                                              converted_object);
 371
 372struct acpi_simple_repair_info {
 373        char name[ACPI_NAMESEG_SIZE];
 374        u32 unexpected_btypes;
 375        u32 package_index;
 376        acpi_object_converter object_converter;
 377};
 378
 379/*
 380 * Bitmapped return value types
 381 * Note: the actual data types must be contiguous, a loop in nspredef.c
 382 * depends on this.
 383 */
 384#define ACPI_RTYPE_ANY                  0x00
 385#define ACPI_RTYPE_NONE                 0x01
 386#define ACPI_RTYPE_INTEGER              0x02
 387#define ACPI_RTYPE_STRING               0x04
 388#define ACPI_RTYPE_BUFFER               0x08
 389#define ACPI_RTYPE_PACKAGE              0x10
 390#define ACPI_RTYPE_REFERENCE            0x20
 391#define ACPI_RTYPE_ALL                  0x3F
 392
 393#define ACPI_NUM_RTYPES                 5       /* Number of actual object types */
 394
 395/* Info for running the _REG methods */
 396
 397struct acpi_reg_walk_info {
 398        u32 function;
 399        u32 reg_run_count;
 400        acpi_adr_space_type space_id;
 401};
 402
 403/*****************************************************************************
 404 *
 405 * Event typedefs and structs
 406 *
 407 ****************************************************************************/
 408
 409/* Dispatch info for each host-installed SCI handler */
 410
 411struct acpi_sci_handler_info {
 412        struct acpi_sci_handler_info *next;
 413        acpi_sci_handler address;       /* Address of handler */
 414        void *context;          /* Context to be passed to handler */
 415};
 416
 417/* Dispatch info for each GPE -- either a method or handler, cannot be both */
 418
 419struct acpi_gpe_handler_info {
 420        acpi_gpe_handler address;       /* Address of handler, if any */
 421        void *context;          /* Context to be passed to handler */
 422        struct acpi_namespace_node *method_node;        /* Method node for this GPE level (saved) */
 423        u8 original_flags;      /* Original (pre-handler) GPE info */
 424        u8 originally_enabled;  /* True if GPE was originally enabled */
 425};
 426
 427/* Notify info for implicit notify, multiple device objects */
 428
 429struct acpi_gpe_notify_info {
 430        struct acpi_namespace_node *device_node;        /* Device to be notified */
 431        struct acpi_gpe_notify_info *next;
 432};
 433
 434/*
 435 * GPE dispatch info. At any time, the GPE can have at most one type
 436 * of dispatch - Method, Handler, or Implicit Notify.
 437 */
 438union acpi_gpe_dispatch_info {
 439        struct acpi_namespace_node *method_node;        /* Method node for this GPE level */
 440        struct acpi_gpe_handler_info *handler;  /* Installed GPE handler */
 441        struct acpi_gpe_notify_info *notify_list;       /* List of _PRW devices for implicit notifies */
 442};
 443
 444/*
 445 * Information about a GPE, one per each GPE in an array.
 446 * NOTE: Important to keep this struct as small as possible.
 447 */
 448struct acpi_gpe_event_info {
 449        union acpi_gpe_dispatch_info dispatch;  /* Either Method, Handler, or notify_list */
 450        struct acpi_gpe_register_info *register_info;   /* Backpointer to register info */
 451        u8 flags;               /* Misc info about this GPE */
 452        u8 gpe_number;          /* This GPE */
 453        u8 runtime_count;       /* References to a run GPE */
 454        u8 disable_for_dispatch;        /* Masked during dispatching */
 455};
 456
 457/* Information about a GPE register pair, one per each status/enable pair in an array */
 458
 459struct acpi_gpe_register_info {
 460        struct acpi_generic_address status_address;     /* Address of status reg */
 461        struct acpi_generic_address enable_address;     /* Address of enable reg */
 462        u16 base_gpe_number;    /* Base GPE number for this register */
 463        u8 enable_for_wake;     /* GPEs to keep enabled when sleeping */
 464        u8 enable_for_run;      /* GPEs to keep enabled when running */
 465        u8 mask_for_run;        /* GPEs to keep masked when running */
 466        u8 enable_mask;         /* Current mask of enabled GPEs */
 467};
 468
 469/*
 470 * Information about a GPE register block, one per each installed block --
 471 * GPE0, GPE1, and one per each installed GPE Block Device.
 472 */
 473struct acpi_gpe_block_info {
 474        struct acpi_namespace_node *node;
 475        struct acpi_gpe_block_info *previous;
 476        struct acpi_gpe_block_info *next;
 477        struct acpi_gpe_xrupt_info *xrupt_block;        /* Backpointer to interrupt block */
 478        struct acpi_gpe_register_info *register_info;   /* One per GPE register pair */
 479        struct acpi_gpe_event_info *event_info; /* One for each GPE */
 480        u64 address;            /* Base address of the block */
 481        u32 register_count;     /* Number of register pairs in block */
 482        u16 gpe_count;          /* Number of individual GPEs in block */
 483        u16 block_base_number;  /* Base GPE number for this block */
 484        u8 space_id;
 485        u8 initialized;         /* TRUE if this block is initialized */
 486};
 487
 488/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
 489
 490struct acpi_gpe_xrupt_info {
 491        struct acpi_gpe_xrupt_info *previous;
 492        struct acpi_gpe_xrupt_info *next;
 493        struct acpi_gpe_block_info *gpe_block_list_head;        /* List of GPE blocks for this xrupt */
 494        u32 interrupt_number;   /* System interrupt number */
 495};
 496
 497struct acpi_gpe_walk_info {
 498        struct acpi_namespace_node *gpe_device;
 499        struct acpi_gpe_block_info *gpe_block;
 500        u16 count;
 501        acpi_owner_id owner_id;
 502        u8 execute_by_owner_id;
 503};
 504
 505struct acpi_gpe_device_info {
 506        u32 index;
 507        u32 next_block_base_index;
 508        acpi_status status;
 509        struct acpi_namespace_node *gpe_device;
 510};
 511
 512typedef acpi_status (*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
 513                                          gpe_xrupt_info,
 514                                          struct acpi_gpe_block_info *
 515                                          gpe_block, void *context);
 516
 517/* Information about each particular fixed event */
 518
 519struct acpi_fixed_event_handler {
 520        acpi_event_handler handler;     /* Address of handler. */
 521        void *context;          /* Context to be passed to handler */
 522};
 523
 524struct acpi_fixed_event_info {
 525        u8 status_register_id;
 526        u8 enable_register_id;
 527        u16 status_bit_mask;
 528        u16 enable_bit_mask;
 529};
 530
 531/* Information used during field processing */
 532
 533struct acpi_field_info {
 534        u8 skip_field;
 535        u8 field_flag;
 536        u32 pkg_length;
 537};
 538
 539/*****************************************************************************
 540 *
 541 * Generic "state" object for stacks
 542 *
 543 ****************************************************************************/
 544
 545#define ACPI_CONTROL_NORMAL                  0xC0
 546#define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
 547#define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
 548#define ACPI_CONTROL_PREDICATE_FALSE         0xC3
 549#define ACPI_CONTROL_PREDICATE_TRUE          0xC4
 550
 551#define ACPI_STATE_COMMON \
 552        void                            *next; \
 553        u8                              descriptor_type; /* To differentiate various internal objs */\
 554        u8                              flags; \
 555        u16                             value; \
 556        u16                             state;
 557
 558        /* There are 2 bytes available here until the next natural alignment boundary */
 559
 560struct acpi_common_state {
 561ACPI_STATE_COMMON};
 562
 563/*
 564 * Update state - used to traverse complex objects such as packages
 565 */
 566struct acpi_update_state {
 567        ACPI_STATE_COMMON union acpi_operand_object *object;
 568};
 569
 570/*
 571 * Pkg state - used to traverse nested package structures
 572 */
 573struct acpi_pkg_state {
 574        ACPI_STATE_COMMON u32 index;
 575        union acpi_operand_object *source_object;
 576        union acpi_operand_object *dest_object;
 577        struct acpi_walk_state *walk_state;
 578        void *this_target_obj;
 579        u32 num_packages;
 580};
 581
 582/*
 583 * Control state - one per if/else and while constructs.
 584 * Allows nesting of these constructs
 585 */
 586struct acpi_control_state {
 587        ACPI_STATE_COMMON u16 opcode;
 588        union acpi_parse_object *predicate_op;
 589        u8 *aml_predicate_start;        /* Start of if/while predicate */
 590        u8 *package_end;        /* End of if/while block */
 591        u64 loop_timeout;       /* While() loop timeout */
 592};
 593
 594/*
 595 * Scope state - current scope during namespace lookups
 596 */
 597struct acpi_scope_state {
 598        ACPI_STATE_COMMON struct acpi_namespace_node *node;
 599};
 600
 601struct acpi_pscope_state {
 602        ACPI_STATE_COMMON u32 arg_count;        /* Number of fixed arguments */
 603        union acpi_parse_object *op;    /* Current op being parsed */
 604        u8 *arg_end;            /* Current argument end */
 605        u8 *pkg_end;            /* Current package end */
 606        u32 arg_list;           /* Next argument to parse */
 607};
 608
 609/*
 610 * Thread state - one per thread across multiple walk states. Multiple walk
 611 * states are created when there are nested control methods executing.
 612 */
 613struct acpi_thread_state {
 614        ACPI_STATE_COMMON u8 current_sync_level;        /* Mutex Sync (nested acquire) level */
 615        struct acpi_walk_state *walk_state_list;        /* Head of list of walk_states for this thread */
 616        union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */
 617        acpi_thread_id thread_id;       /* Running thread ID */
 618};
 619
 620/*
 621 * Result values - used to accumulate the results of nested
 622 * AML arguments
 623 */
 624struct acpi_result_values {
 625        ACPI_STATE_COMMON
 626            union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
 627};
 628
 629typedef
 630acpi_status (*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 631                                     union acpi_parse_object ** out_op);
 632
 633typedef
 634acpi_status (*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 635
 636/* Global handlers for AML Notifies */
 637
 638struct acpi_global_notify_handler {
 639        acpi_notify_handler handler;
 640        void *context;
 641};
 642
 643/*
 644 * Notify info - used to pass info to the deferred notify
 645 * handler/dispatcher.
 646 */
 647struct acpi_notify_info {
 648        ACPI_STATE_COMMON u8 handler_list_id;
 649        struct acpi_namespace_node *node;
 650        union acpi_operand_object *handler_list_head;
 651        struct acpi_global_notify_handler *global;
 652};
 653
 654/* Generic state is union of structs above */
 655
 656union acpi_generic_state {
 657        struct acpi_common_state common;
 658        struct acpi_control_state control;
 659        struct acpi_update_state update;
 660        struct acpi_scope_state scope;
 661        struct acpi_pscope_state parse_scope;
 662        struct acpi_pkg_state pkg;
 663        struct acpi_thread_state thread;
 664        struct acpi_result_values results;
 665        struct acpi_notify_info notify;
 666};
 667
 668/*****************************************************************************
 669 *
 670 * Interpreter typedefs and structs
 671 *
 672 ****************************************************************************/
 673
 674typedef
 675acpi_status (*acpi_execute_op) (struct acpi_walk_state * walk_state);
 676
 677/* Address Range info block */
 678
 679struct acpi_address_range {
 680        struct acpi_address_range *next;
 681        struct acpi_namespace_node *region_node;
 682        acpi_physical_address start_address;
 683        acpi_physical_address end_address;
 684};
 685
 686/*****************************************************************************
 687 *
 688 * Parser typedefs and structs
 689 *
 690 ****************************************************************************/
 691
 692/*
 693 * AML opcode, name, and argument layout
 694 */
 695struct acpi_opcode_info {
 696#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 697        char *name;             /* Opcode name (disassembler/debug only) */
 698#endif
 699        u32 parse_args;         /* Grammar/Parse time arguments */
 700        u32 runtime_args;       /* Interpret time arguments */
 701        u16 flags;              /* Misc flags */
 702        u8 object_type;         /* Corresponding internal object type */
 703        u8 class;               /* Opcode class */
 704        u8 type;                /* Opcode type */
 705};
 706
 707/* Value associated with the parse object */
 708
 709union acpi_parse_value {
 710        u64 integer;            /* Integer constant (Up to 64 bits) */
 711        u32 size;               /* bytelist or field size */
 712        char *string;           /* NULL terminated string */
 713        u8 *buffer;             /* buffer or string */
 714        char *name;             /* NULL terminated string */
 715        union acpi_parse_object *arg;   /* arguments and contained ops */
 716};
 717
 718#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 719#define ACPI_DISASM_ONLY_MEMBERS(a)     a;
 720#else
 721#define ACPI_DISASM_ONLY_MEMBERS(a)
 722#endif
 723
 724#if defined(ACPI_ASL_COMPILER)
 725#define ACPI_CONVERTER_ONLY_MEMBERS(a)  a;
 726#else
 727#define ACPI_CONVERTER_ONLY_MEMBERS(a)
 728#endif
 729
 730#define ACPI_PARSE_COMMON \
 731        union acpi_parse_object         *parent;            /* Parent op */\
 732        u8                              descriptor_type;    /* To differentiate various internal objs */\
 733        u8                              flags;              /* Type of Op */\
 734        u16                             aml_opcode;         /* AML opcode */\
 735        u8                              *aml;               /* Address of declaration in AML */\
 736        union acpi_parse_object         *next;              /* Next op */\
 737        struct acpi_namespace_node      *node;              /* For use by interpreter */\
 738        union acpi_parse_value          value;              /* Value or args associated with the opcode */\
 739        u8                              arg_list_length;    /* Number of elements in the arg list */\
 740         ACPI_DISASM_ONLY_MEMBERS (\
 741        u16                             disasm_flags;       /* Used during AML disassembly */\
 742        u8                              disasm_opcode;      /* Subtype used for disassembly */\
 743        char                            *operator_symbol;   /* Used for C-style operator name strings */\
 744        char                            aml_op_name[16])    /* Op name (debug only) */\
 745         ACPI_CONVERTER_ONLY_MEMBERS (\
 746        char                            *inline_comment;    /* Inline comment */\
 747        char                            *end_node_comment;  /* End of node comment */\
 748        char                            *name_comment;      /* Comment associated with the first parameter of the name node */\
 749        char                            *close_brace_comment; /* Comments that come after } on the same as } */\
 750        struct acpi_comment_node        *comment_list;      /* comments that appears before this node */\
 751        struct acpi_comment_node        *end_blk_comment;   /* comments that at the end of a block but before ) or } */\
 752        char                            *cv_filename;       /* Filename associated with this node. Used for ASL/ASL+ converter */\
 753        char                            *cv_parent_filename)    /* Parent filename associated with this node. Used for ASL/ASL+ converter */
 754
 755/* categories of comments */
 756
 757typedef enum {
 758        STANDARD_COMMENT = 1,
 759        INLINE_COMMENT,
 760        ENDNODE_COMMENT,
 761        OPENBRACE_COMMENT,
 762        CLOSE_BRACE_COMMENT,
 763        STD_DEFBLK_COMMENT,
 764        END_DEFBLK_COMMENT,
 765        FILENAME_COMMENT,
 766        PARENTFILENAME_COMMENT,
 767        ENDBLK_COMMENT,
 768        INCLUDE_COMMENT
 769} asl_comment_types;
 770
 771/* Internal opcodes for disasm_opcode field above */
 772
 773#define ACPI_DASM_BUFFER                0x00    /* Buffer is a simple data buffer */
 774#define ACPI_DASM_RESOURCE              0x01    /* Buffer is a Resource Descriptor */
 775#define ACPI_DASM_STRING                0x02    /* Buffer is a ASCII string */
 776#define ACPI_DASM_UNICODE               0x03    /* Buffer is a Unicode string */
 777#define ACPI_DASM_PLD_METHOD            0x04    /* Buffer is a _PLD method bit-packed buffer */
 778#define ACPI_DASM_UUID                  0x05    /* Buffer is a UUID/GUID */
 779#define ACPI_DASM_EISAID                0x06    /* Integer is an EISAID */
 780#define ACPI_DASM_MATCHOP               0x07    /* Parent opcode is a Match() operator */
 781#define ACPI_DASM_LNOT_PREFIX           0x08    /* Start of a Lnot_equal (etc.) pair of opcodes */
 782#define ACPI_DASM_LNOT_SUFFIX           0x09    /* End  of a Lnot_equal (etc.) pair of opcodes */
 783#define ACPI_DASM_HID_STRING            0x0A    /* String is a _HID or _CID */
 784#define ACPI_DASM_IGNORE_SINGLE         0x0B    /* Ignore the opcode but not it's children */
 785#define ACPI_DASM_SWITCH                0x0C    /* While is a Switch */
 786#define ACPI_DASM_SWITCH_PREDICATE      0x0D    /* Object is a predicate for a Switch or Case block */
 787#define ACPI_DASM_CASE                  0x0E    /* If/Else is a Case in a Switch/Case block */
 788#define ACPI_DASM_DEFAULT               0x0F    /* Else is a Default in a Switch/Case block */
 789
 790/*
 791 * List struct used in the -ca option
 792 */
 793struct acpi_comment_node {
 794        char *comment;
 795        struct acpi_comment_node *next;
 796};
 797
 798struct acpi_comment_addr_node {
 799        u8 *addr;
 800        struct acpi_comment_addr_node *next;
 801};
 802
 803/*
 804 * File node - used for "Include" operator file stack and
 805 * dependency tree for the -ca option
 806 */
 807struct acpi_file_node {
 808        void *file;
 809        char *filename;
 810        char *file_start;       /* Points to AML and indicates when the AML for this particular file starts. */
 811        char *file_end;         /* Points to AML and indicates when the AML for this particular file ends. */
 812        struct acpi_file_node *next;
 813        struct acpi_file_node *parent;
 814        u8 include_written;
 815        struct acpi_comment_node *include_comment;
 816};
 817
 818/*
 819 * Generic operation (for example:  If, While, Store)
 820 */
 821struct acpi_parse_obj_common {
 822ACPI_PARSE_COMMON};
 823
 824/*
 825 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 826 * and bytelists.
 827 */
 828struct acpi_parse_obj_named {
 829        ACPI_PARSE_COMMON char *path;
 830        u8 *data;               /* AML body or bytelist data */
 831        u32 length;             /* AML length */
 832        u32 name;               /* 4-byte name or zero if no name */
 833};
 834
 835/* This version is used by the iASL compiler only */
 836
 837#define ACPI_MAX_PARSEOP_NAME       20
 838
 839struct acpi_parse_obj_asl {
 840        ACPI_PARSE_COMMON union acpi_parse_object *child;
 841        union acpi_parse_object *parent_method;
 842        char *filename;
 843        u8 file_changed;
 844        char *parent_filename;
 845        char *external_name;
 846        char *namepath;
 847        char name_seg[4];
 848        u32 extra_value;
 849        u32 column;
 850        u32 line_number;
 851        u32 logical_line_number;
 852        u32 logical_byte_offset;
 853        u32 end_line;
 854        u32 end_logical_line;
 855        u32 acpi_btype;
 856        u32 aml_length;
 857        u32 aml_subtree_length;
 858        u32 final_aml_length;
 859        u32 final_aml_offset;
 860        u32 compile_flags;
 861        u16 parse_opcode;
 862        u8 aml_opcode_length;
 863        u8 aml_pkg_len_bytes;
 864        u8 extra;
 865        char parse_op_name[ACPI_MAX_PARSEOP_NAME];
 866};
 867
 868union acpi_parse_object {
 869        struct acpi_parse_obj_common common;
 870        struct acpi_parse_obj_named named;
 871        struct acpi_parse_obj_asl asl;
 872};
 873
 874struct asl_comment_state {
 875        u8 comment_type;
 876        u32 spaces_before;
 877        union acpi_parse_object *latest_parse_op;
 878        union acpi_parse_object *parsing_paren_brace_node;
 879        u8 capture_comments;
 880};
 881
 882/*
 883 * Parse state - one state per parser invocation and each control
 884 * method.
 885 */
 886struct acpi_parse_state {
 887        u8 *aml_start;          /* First AML byte */
 888        u8 *aml;                /* Next AML byte */
 889        u8 *aml_end;            /* (last + 1) AML byte */
 890        u8 *pkg_start;          /* Current package begin */
 891        u8 *pkg_end;            /* Current package end */
 892        union acpi_parse_object *start_op;      /* Root of parse tree */
 893        struct acpi_namespace_node *start_node;
 894        union acpi_generic_state *scope;        /* Current scope */
 895        union acpi_parse_object *start_scope;
 896        u32 aml_size;
 897};
 898
 899/* Parse object flags */
 900
 901#define ACPI_PARSEOP_GENERIC                0x01
 902#define ACPI_PARSEOP_NAMED_OBJECT           0x02
 903#define ACPI_PARSEOP_DEFERRED               0x04
 904#define ACPI_PARSEOP_BYTELIST               0x08
 905#define ACPI_PARSEOP_IN_STACK               0x10
 906#define ACPI_PARSEOP_TARGET                 0x20
 907#define ACPI_PARSEOP_IN_CACHE               0x80
 908
 909/* Parse object disasm_flags */
 910
 911#define ACPI_PARSEOP_IGNORE                 0x0001
 912#define ACPI_PARSEOP_PARAMETER_LIST         0x0002
 913#define ACPI_PARSEOP_EMPTY_TERMLIST         0x0004
 914#define ACPI_PARSEOP_PREDEFINED_CHECKED     0x0008
 915#define ACPI_PARSEOP_CLOSING_PAREN          0x0010
 916#define ACPI_PARSEOP_COMPOUND_ASSIGNMENT    0x0020
 917#define ACPI_PARSEOP_ASSIGNMENT             0x0040
 918#define ACPI_PARSEOP_ELSEIF                 0x0080
 919#define ACPI_PARSEOP_LEGACY_ASL_ONLY        0x0100
 920
 921/*****************************************************************************
 922 *
 923 * Hardware (ACPI registers) and PNP
 924 *
 925 ****************************************************************************/
 926
 927struct acpi_bit_register_info {
 928        u8 parent_register;
 929        u8 bit_position;
 930        u16 access_bit_mask;
 931};
 932
 933/*
 934 * Some ACPI registers have bits that must be ignored -- meaning that they
 935 * must be preserved.
 936 */
 937#define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800  /* Bit 11 */
 938
 939/* Write-only bits must be zeroed by software */
 940
 941#define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004  /* Bits 13, 2 */
 942
 943/* For control registers, both ignored and reserved bits must be preserved */
 944
 945/*
 946 * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
 947 * ACPI specification to be a "preserved" bit - "OSPM always preserves this
 948 * bit position", section 4.7.3.2.1. However, on some machines the OS must
 949 * write a one to this bit after resume for the machine to work properly.
 950 * To enable this, we no longer attempt to preserve this bit. No machines
 951 * are known to fail if the bit is not preserved. (May 2009)
 952 */
 953#define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200  /* Bit 9 */
 954#define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8  /* Bits 14-15, 3-8 */
 955#define ACPI_PM1_CONTROL_PRESERVED_BITS \
 956               (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
 957
 958#define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE      /* All except bit 0 */
 959
 960/*
 961 * Register IDs
 962 * These are the full ACPI registers
 963 */
 964#define ACPI_REGISTER_PM1_STATUS                0x01
 965#define ACPI_REGISTER_PM1_ENABLE                0x02
 966#define ACPI_REGISTER_PM1_CONTROL               0x03
 967#define ACPI_REGISTER_PM2_CONTROL               0x04
 968#define ACPI_REGISTER_PM_TIMER                  0x05
 969#define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
 970#define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
 971
 972/* Masks used to access the bit_registers */
 973
 974#define ACPI_BITMASK_TIMER_STATUS               0x0001
 975#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
 976#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
 977#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
 978#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
 979#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
 980#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
 981#define ACPI_BITMASK_WAKE_STATUS                0x8000
 982
 983#define ACPI_BITMASK_ALL_FIXED_STATUS           (\
 984        ACPI_BITMASK_TIMER_STATUS          | \
 985        ACPI_BITMASK_BUS_MASTER_STATUS     | \
 986        ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
 987        ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 988        ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 989        ACPI_BITMASK_RT_CLOCK_STATUS       | \
 990        ACPI_BITMASK_PCIEXP_WAKE_STATUS    | \
 991        ACPI_BITMASK_WAKE_STATUS)
 992
 993#define ACPI_BITMASK_TIMER_ENABLE               0x0001
 994#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
 995#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
 996#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
 997#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 998#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000  /* ACPI 3.0 */
 999
1000#define ACPI_BITMASK_SCI_ENABLE                 0x0001
1001#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
1002#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
1003#define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
1004#define ACPI_BITMASK_SLEEP_ENABLE               0x2000
1005
1006#define ACPI_BITMASK_ARB_DISABLE                0x0001
1007
1008/* Raw bit position of each bit_register */
1009
1010#define ACPI_BITPOSITION_TIMER_STATUS           0x00
1011#define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
1012#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
1013#define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
1014#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
1015#define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
1016#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E    /* ACPI 3.0 */
1017#define ACPI_BITPOSITION_WAKE_STATUS            0x0F
1018
1019#define ACPI_BITPOSITION_TIMER_ENABLE           0x00
1020#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
1021#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
1022#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
1023#define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
1024#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E    /* ACPI 3.0 */
1025
1026#define ACPI_BITPOSITION_SCI_ENABLE             0x00
1027#define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
1028#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
1029#define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
1030#define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
1031
1032#define ACPI_BITPOSITION_ARB_DISABLE            0x00
1033
1034/* Structs and definitions for _OSI support and I/O port validation */
1035
1036#define ACPI_ALWAYS_ILLEGAL             0x00
1037
1038struct acpi_interface_info {
1039        char *name;
1040        struct acpi_interface_info *next;
1041        u8 flags;
1042        u8 value;
1043};
1044
1045#define ACPI_OSI_INVALID                0x01
1046#define ACPI_OSI_DYNAMIC                0x02
1047#define ACPI_OSI_FEATURE                0x04
1048#define ACPI_OSI_DEFAULT_INVALID        0x08
1049#define ACPI_OSI_OPTIONAL_FEATURE       (ACPI_OSI_FEATURE | ACPI_OSI_DEFAULT_INVALID | ACPI_OSI_INVALID)
1050
1051struct acpi_port_info {
1052        char *name;
1053        u16 start;
1054        u16 end;
1055        u8 osi_dependency;
1056};
1057
1058/*****************************************************************************
1059 *
1060 * Resource descriptors
1061 *
1062 ****************************************************************************/
1063
1064/* resource_type values */
1065
1066#define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
1067#define ACPI_ADDRESS_TYPE_IO_RANGE              1
1068#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
1069
1070/* Resource descriptor types and masks */
1071
1072#define ACPI_RESOURCE_NAME_LARGE                0x80
1073#define ACPI_RESOURCE_NAME_SMALL                0x00
1074
1075#define ACPI_RESOURCE_NAME_SMALL_MASK           0x78    /* Bits 6:3 contain the type */
1076#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07    /* Bits 2:0 contain the length */
1077#define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F    /* Bits 6:0 contain the type */
1078
1079/*
1080 * Small resource descriptor "names" as defined by the ACPI specification.
1081 * Note: Bits 2:0 are used for the descriptor length
1082 */
1083#define ACPI_RESOURCE_NAME_IRQ                  0x20
1084#define ACPI_RESOURCE_NAME_DMA                  0x28
1085#define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
1086#define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
1087#define ACPI_RESOURCE_NAME_IO                   0x40
1088#define ACPI_RESOURCE_NAME_FIXED_IO             0x48
1089#define ACPI_RESOURCE_NAME_FIXED_DMA            0x50
1090#define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
1091#define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
1092#define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
1093#define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
1094#define ACPI_RESOURCE_NAME_END_TAG              0x78
1095
1096/*
1097 * Large resource descriptor "names" as defined by the ACPI specification.
1098 * Note: includes the Large Descriptor bit in bit[7]
1099 */
1100#define ACPI_RESOURCE_NAME_MEMORY24             0x81
1101#define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
1102#define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
1103#define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
1104#define ACPI_RESOURCE_NAME_MEMORY32             0x85
1105#define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
1106#define ACPI_RESOURCE_NAME_ADDRESS32            0x87
1107#define ACPI_RESOURCE_NAME_ADDRESS16            0x88
1108#define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
1109#define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
1110#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
1111#define ACPI_RESOURCE_NAME_GPIO                 0x8C
1112#define ACPI_RESOURCE_NAME_PIN_FUNCTION         0x8D
1113#define ACPI_RESOURCE_NAME_SERIAL_BUS           0x8E
1114#define ACPI_RESOURCE_NAME_PIN_CONFIG           0x8F
1115#define ACPI_RESOURCE_NAME_PIN_GROUP            0x90
1116#define ACPI_RESOURCE_NAME_PIN_GROUP_FUNCTION   0x91
1117#define ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG     0x92
1118#define ACPI_RESOURCE_NAME_LARGE_MAX            0x92
1119
1120/*****************************************************************************
1121 *
1122 * Miscellaneous
1123 *
1124 ****************************************************************************/
1125
1126#define ACPI_ASCII_ZERO                 0x30
1127
1128/*****************************************************************************
1129 *
1130 * Disassembler
1131 *
1132 ****************************************************************************/
1133
1134struct acpi_external_list {
1135        char *path;
1136        char *internal_path;
1137        struct acpi_external_list *next;
1138        u32 value;
1139        u16 length;
1140        u16 flags;
1141        u8 type;
1142};
1143
1144/* Values for Flags field above */
1145
1146#define ACPI_EXT_RESOLVED_REFERENCE         0x01        /* Object was resolved during cross ref */
1147#define ACPI_EXT_ORIGIN_FROM_FILE           0x02        /* External came from a file */
1148#define ACPI_EXT_INTERNAL_PATH_ALLOCATED    0x04        /* Deallocate internal path on completion */
1149#define ACPI_EXT_EXTERNAL_EMITTED           0x08        /* External() statement has been emitted */
1150#define ACPI_EXT_ORIGIN_FROM_OPCODE         0x10        /* External came from a External() opcode */
1151#define ACPI_EXT_CONFLICTING_DECLARATION    0x20        /* External has a conflicting declaration within AML */
1152
1153struct acpi_external_file {
1154        char *path;
1155        struct acpi_external_file *next;
1156};
1157
1158struct acpi_parse_object_list {
1159        union acpi_parse_object *op;
1160        struct acpi_parse_object_list *next;
1161};
1162
1163/*****************************************************************************
1164 *
1165 * Debugger
1166 *
1167 ****************************************************************************/
1168
1169struct acpi_db_method_info {
1170        acpi_handle method;
1171        acpi_handle main_thread_gate;
1172        acpi_handle thread_complete_gate;
1173        acpi_handle info_gate;
1174        acpi_thread_id *threads;
1175        u32 num_threads;
1176        u32 num_created;
1177        u32 num_completed;
1178
1179        char *name;
1180        u32 flags;
1181        u32 num_loops;
1182        char pathname[ACPI_DB_LINE_BUFFER_SIZE];
1183        char **args;
1184        acpi_object_type *types;
1185
1186        /*
1187         * Arguments to be passed to method for the commands Threads and
1188         * Background. Note, ACPI specifies a maximum of 7 arguments (0 - 6).
1189         *
1190         * For the Threads command, the Number of threads, ID of current
1191         * thread and Index of current thread inside all them created.
1192         */
1193        char init_args;
1194#ifdef ACPI_DEBUGGER
1195        acpi_object_type arg_types[ACPI_METHOD_NUM_ARGS];
1196#endif
1197        char *arguments[ACPI_METHOD_NUM_ARGS];
1198        char num_threads_str[11];
1199        char id_of_thread_str[11];
1200        char index_of_thread_str[11];
1201};
1202
1203struct acpi_integrity_info {
1204        u32 nodes;
1205        u32 objects;
1206};
1207
1208#define ACPI_DB_DISABLE_OUTPUT          0x00
1209#define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1210#define ACPI_DB_CONSOLE_OUTPUT          0x02
1211#define ACPI_DB_DUPLICATE_OUTPUT        0x03
1212
1213struct acpi_object_info {
1214        u32 types[ACPI_TOTAL_TYPES];
1215};
1216
1217/*****************************************************************************
1218 *
1219 * Debug
1220 *
1221 ****************************************************************************/
1222
1223/* Entry for a memory allocation (debug only) */
1224
1225#define ACPI_MEM_MALLOC                 0
1226#define ACPI_MEM_CALLOC                 1
1227#define ACPI_MAX_MODULE_NAME            16
1228
1229#define ACPI_COMMON_DEBUG_MEM_HEADER \
1230        struct acpi_debug_mem_block     *previous; \
1231        struct acpi_debug_mem_block     *next; \
1232        u32                             size; \
1233        u32                             component; \
1234        u32                             line; \
1235        char                            module[ACPI_MAX_MODULE_NAME]; \
1236        u8                              alloc_type;
1237
1238struct acpi_debug_mem_header {
1239ACPI_COMMON_DEBUG_MEM_HEADER};
1240
1241struct acpi_debug_mem_block {
1242        ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1243};
1244
1245#define ACPI_MEM_LIST_GLOBAL            0
1246#define ACPI_MEM_LIST_NSNODE            1
1247#define ACPI_MEM_LIST_MAX               1
1248#define ACPI_NUM_MEM_LISTS              2
1249
1250/*****************************************************************************
1251 *
1252 * Info/help support
1253 *
1254 ****************************************************************************/
1255
1256struct ah_predefined_name {
1257        char *name;
1258        char *description;
1259#ifndef ACPI_ASL_COMPILER
1260        char *action;
1261#endif
1262};
1263
1264struct ah_device_id {
1265        char *name;
1266        char *description;
1267};
1268
1269struct ah_uuid {
1270        char *description;
1271        char *string;
1272};
1273
1274struct ah_table {
1275        char *signature;
1276        char *description;
1277};
1278
1279#endif                          /* __ACLOCAL_H__ */
1280