linux/include/acpi/aclocal.h
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   1/******************************************************************************
   2 *
   3 * Name: aclocal.h - Internal data types used across the ACPI subsystem
   4 *
   5 *****************************************************************************/
   6
   7/*
   8 * Copyright (C) 2000 - 2008, 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_WAIT_FOREVER               0xFFFF  /* u16, as per ACPI spec */
  50#define ACPI_DO_NOT_WAIT                0
  51#define ACPI_SERIALIZED                 0xFF
  52
  53typedef u32 acpi_mutex_handle;
  54#define ACPI_GLOBAL_LOCK                (acpi_semaphore) (-1)
  55
  56/* Total number of aml opcodes defined */
  57
  58#define AML_NUM_OPCODES                 0x7F
  59
  60/* Forward declarations */
  61
  62struct acpi_walk_state;
  63struct acpi_obj_mutex;
  64union acpi_parse_object;
  65
  66/*****************************************************************************
  67 *
  68 * Mutex typedefs and structs
  69 *
  70 ****************************************************************************/
  71
  72/*
  73 * Predefined handles for the mutex objects used within the subsystem
  74 * All mutex objects are automatically created by acpi_ut_mutex_initialize.
  75 *
  76 * The acquire/release ordering protocol is implied via this list. Mutexes
  77 * with a lower value must be acquired before mutexes with a higher value.
  78 *
  79 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
  80 * table below also!
  81 */
  82#define ACPI_MTX_INTERPRETER            0       /* AML Interpreter, main lock */
  83#define ACPI_MTX_NAMESPACE              1       /* ACPI Namespace */
  84#define ACPI_MTX_TABLES                 2       /* Data for ACPI tables */
  85#define ACPI_MTX_EVENTS                 3       /* Data for ACPI events */
  86#define ACPI_MTX_CACHES                 4       /* Internal caches, general purposes */
  87#define ACPI_MTX_MEMORY                 5       /* Debug memory tracking lists */
  88#define ACPI_MTX_DEBUG_CMD_COMPLETE     6       /* AML debugger */
  89#define ACPI_MTX_DEBUG_CMD_READY        7       /* AML debugger */
  90
  91#define ACPI_MAX_MUTEX                  7
  92#define ACPI_NUM_MUTEX                  ACPI_MAX_MUTEX+1
  93
  94#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  95#ifdef DEFINE_ACPI_GLOBALS
  96
  97/* Debug names for the mutexes above */
  98
  99static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
 100        "ACPI_MTX_Interpreter",
 101        "ACPI_MTX_Namespace",
 102        "ACPI_MTX_Tables",
 103        "ACPI_MTX_Events",
 104        "ACPI_MTX_Caches",
 105        "ACPI_MTX_Memory",
 106        "ACPI_MTX_CommandComplete",
 107        "ACPI_MTX_CommandReady"
 108};
 109
 110#endif
 111#endif
 112
 113/*
 114 * Predefined handles for spinlocks used within the subsystem.
 115 * These spinlocks are created by acpi_ut_mutex_initialize
 116 */
 117#define ACPI_LOCK_GPES                  0
 118#define ACPI_LOCK_HARDWARE              1
 119
 120#define ACPI_MAX_LOCK                   1
 121#define ACPI_NUM_LOCK                   ACPI_MAX_LOCK+1
 122
 123/* Owner IDs are used to track namespace nodes for selective deletion */
 124
 125typedef u8 acpi_owner_id;
 126#define ACPI_OWNER_ID_MAX               0xFF
 127
 128/* This Thread ID means that the mutex is not in use (unlocked) */
 129
 130#define ACPI_MUTEX_NOT_ACQUIRED         (acpi_thread_id) 0
 131
 132/* Table for the global mutexes */
 133
 134struct acpi_mutex_info {
 135        acpi_mutex mutex;
 136        u32 use_count;
 137        acpi_thread_id thread_id;
 138};
 139
 140/* Lock flag parameter for various interfaces */
 141
 142#define ACPI_MTX_DO_NOT_LOCK            0
 143#define ACPI_MTX_LOCK                   1
 144
 145/* Field access granularities */
 146
 147#define ACPI_FIELD_BYTE_GRANULARITY     1
 148#define ACPI_FIELD_WORD_GRANULARITY     2
 149#define ACPI_FIELD_DWORD_GRANULARITY    4
 150#define ACPI_FIELD_QWORD_GRANULARITY    8
 151
 152#define ACPI_ENTRY_NOT_FOUND            NULL
 153
 154/*****************************************************************************
 155 *
 156 * Namespace typedefs and structs
 157 *
 158 ****************************************************************************/
 159
 160/* Operational modes of the AML interpreter/scanner */
 161
 162typedef enum {
 163        ACPI_IMODE_LOAD_PASS1 = 0x01,
 164        ACPI_IMODE_LOAD_PASS2 = 0x02,
 165        ACPI_IMODE_EXECUTE = 0x03
 166} acpi_interpreter_mode;
 167
 168union acpi_name_union {
 169        u32 integer;
 170        char ascii[4];
 171};
 172
 173/*
 174 * The Namespace Node describes a named object that appears in the AML.
 175 * descriptor_type is used to differentiate between internal descriptors.
 176 *
 177 * The node is optimized for both 32-bit and 64-bit platforms:
 178 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
 179 *
 180 * Note: The descriptor_type and Type fields must appear in the identical
 181 * position in both the struct acpi_namespace_node and union acpi_operand_object
 182 * structures.
 183 */
 184struct acpi_namespace_node {
 185        union acpi_operand_object *object;      /* Interpreter object */
 186        u8 descriptor_type;     /* Differentiate object descriptor types */
 187        u8 type;                /* ACPI Type associated with this name */
 188        u8 flags;               /* Miscellaneous flags */
 189        acpi_owner_id owner_id; /* Node creator */
 190        union acpi_name_union name;     /* ACPI Name, always 4 chars per ACPI spec */
 191        struct acpi_namespace_node *child;      /* First child */
 192        struct acpi_namespace_node *peer;       /* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */
 193
 194        /*
 195         * The following fields are used by the ASL compiler and disassembler only
 196         */
 197#ifdef ACPI_LARGE_NAMESPACE_NODE
 198        union acpi_parse_object *op;
 199        u32 value;
 200        u32 length;
 201#endif
 202};
 203
 204/* Namespace Node flags */
 205
 206#define ANOBJ_END_OF_PEER_LIST          0x01    /* End-of-list, Peer field points to parent */
 207#define ANOBJ_TEMPORARY                 0x02    /* Node is create by a method and is temporary */
 208#define ANOBJ_METHOD_ARG                0x04    /* Node is a method argument */
 209#define ANOBJ_METHOD_LOCAL              0x08    /* Node is a method local */
 210#define ANOBJ_SUBTREE_HAS_INI           0x10    /* Used to optimize device initialization */
 211#define ANOBJ_EVALUATED                 0x20    /* Set on first evaluation of node */
 212
 213#define ANOBJ_IS_EXTERNAL               0x08    /* i_aSL only: This object created via External() */
 214#define ANOBJ_METHOD_NO_RETVAL          0x10    /* i_aSL only: Method has no return value */
 215#define ANOBJ_METHOD_SOME_NO_RETVAL     0x20    /* i_aSL only: Method has at least one return value */
 216#define ANOBJ_IS_BIT_OFFSET             0x40    /* i_aSL only: Reference is a bit offset */
 217#define ANOBJ_IS_REFERENCED             0x80    /* i_aSL only: Object was referenced */
 218
 219/*
 220 * ACPI Table Descriptor.  One per ACPI table
 221 */
 222struct acpi_table_desc {
 223        acpi_physical_address address;
 224        struct acpi_table_header *pointer;
 225        u32 length;             /* Length fixed at 32 bits */
 226        union acpi_name_union signature;
 227        acpi_owner_id owner_id;
 228        u8 flags;
 229};
 230
 231/* Flags for above */
 232
 233#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
 234#define ACPI_TABLE_ORIGIN_MAPPED        (1)
 235#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
 236#define ACPI_TABLE_ORIGIN_MASK          (3)
 237#define ACPI_TABLE_IS_LOADED            (4)
 238
 239/* One internal RSDT for table management */
 240
 241struct acpi_internal_rsdt {
 242        struct acpi_table_desc *tables;
 243        u32 count;
 244        u32 size;
 245        u8 flags;
 246};
 247
 248/* Flags for above */
 249
 250#define ACPI_ROOT_ORIGIN_UNKNOWN        (0)     /* ~ORIGIN_ALLOCATED */
 251#define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
 252#define ACPI_ROOT_ALLOW_RESIZE          (2)
 253
 254/* Predefined (fixed) table indexes */
 255
 256#define ACPI_TABLE_INDEX_DSDT           (0)
 257#define ACPI_TABLE_INDEX_FACS           (1)
 258
 259struct acpi_find_context {
 260        char *search_for;
 261        acpi_handle *list;
 262        u32 *count;
 263};
 264
 265struct acpi_ns_search_data {
 266        struct acpi_namespace_node *node;
 267};
 268
 269/*
 270 * Predefined Namespace items
 271 */
 272struct acpi_predefined_names {
 273        char *name;
 274        u8 type;
 275        char *val;
 276};
 277
 278/* Object types used during package copies */
 279
 280#define ACPI_COPY_TYPE_SIMPLE           0
 281#define ACPI_COPY_TYPE_PACKAGE          1
 282
 283/* Info structure used to convert external<->internal namestrings */
 284
 285struct acpi_namestring_info {
 286        const char *external_name;
 287        const char *next_external_char;
 288        char *internal_name;
 289        u32 length;
 290        u32 num_segments;
 291        u32 num_carats;
 292        u8 fully_qualified;
 293};
 294
 295/* Field creation info */
 296
 297struct acpi_create_field_info {
 298        struct acpi_namespace_node *region_node;
 299        struct acpi_namespace_node *field_node;
 300        struct acpi_namespace_node *register_node;
 301        struct acpi_namespace_node *data_register_node;
 302        u32 bank_value;
 303        u32 field_bit_position;
 304        u32 field_bit_length;
 305        u8 field_flags;
 306        u8 attribute;
 307        u8 field_type;
 308};
 309
 310typedef
 311acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
 312
 313/*
 314 * Bitmapped ACPI types.  Used internally only
 315 */
 316#define ACPI_BTYPE_ANY                  0x00000000
 317#define ACPI_BTYPE_INTEGER              0x00000001
 318#define ACPI_BTYPE_STRING               0x00000002
 319#define ACPI_BTYPE_BUFFER               0x00000004
 320#define ACPI_BTYPE_PACKAGE              0x00000008
 321#define ACPI_BTYPE_FIELD_UNIT           0x00000010
 322#define ACPI_BTYPE_DEVICE               0x00000020
 323#define ACPI_BTYPE_EVENT                0x00000040
 324#define ACPI_BTYPE_METHOD               0x00000080
 325#define ACPI_BTYPE_MUTEX                0x00000100
 326#define ACPI_BTYPE_REGION               0x00000200
 327#define ACPI_BTYPE_POWER                0x00000400
 328#define ACPI_BTYPE_PROCESSOR            0x00000800
 329#define ACPI_BTYPE_THERMAL              0x00001000
 330#define ACPI_BTYPE_BUFFER_FIELD         0x00002000
 331#define ACPI_BTYPE_DDB_HANDLE           0x00004000
 332#define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
 333#define ACPI_BTYPE_REFERENCE            0x00010000
 334#define ACPI_BTYPE_RESOURCE             0x00020000
 335
 336#define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
 337
 338#define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
 339#define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
 340#define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
 341#define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF      /* ARG or LOCAL */
 342#define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
 343
 344/*
 345 * Information structure for ACPI predefined names.
 346 * Each entry in the table contains the following items:
 347 *
 348 * Name                 - The ACPI reserved name
 349 * param_count          - Number of arguments to the method
 350 * expected_return_btypes - Allowed type(s) for the return value
 351 */
 352struct acpi_name_info {
 353        char name[ACPI_NAME_SIZE];
 354        u8 param_count;
 355        u8 expected_btypes;
 356};
 357
 358/*
 359 * Secondary information structures for ACPI predefined objects that return
 360 * package objects. This structure appears as the next entry in the table
 361 * after the NAME_INFO structure above.
 362 *
 363 * The reason for this is to minimize the size of the predefined name table.
 364 */
 365
 366/*
 367 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
 368 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT
 369 */
 370struct acpi_package_info {
 371        u8 type;
 372        u8 object_type1;
 373        u8 count1;
 374        u8 object_type2;
 375        u8 count2;
 376        u8 reserved;
 377};
 378
 379/* Used for ACPI_PTYPE2_FIXED */
 380
 381struct acpi_package_info2 {
 382        u8 type;
 383        u8 count;
 384        u8 object_type[4];
 385};
 386
 387/* Used for ACPI_PTYPE1_OPTION */
 388
 389struct acpi_package_info3 {
 390        u8 type;
 391        u8 count;
 392        u8 object_type[2];
 393        u8 tail_object_type;
 394        u8 reserved;
 395};
 396
 397union acpi_predefined_info {
 398        struct acpi_name_info info;
 399        struct acpi_package_info ret_info;
 400        struct acpi_package_info2 ret_info2;
 401        struct acpi_package_info3 ret_info3;
 402};
 403
 404/*
 405 * Bitmapped return value types
 406 * Note: the actual data types must be contiguous, a loop in nspredef.c
 407 * depends on this.
 408 */
 409#define ACPI_RTYPE_ANY                  0x00
 410#define ACPI_RTYPE_NONE                 0x01
 411#define ACPI_RTYPE_INTEGER              0x02
 412#define ACPI_RTYPE_STRING               0x04
 413#define ACPI_RTYPE_BUFFER               0x08
 414#define ACPI_RTYPE_PACKAGE              0x10
 415#define ACPI_RTYPE_REFERENCE            0x20
 416#define ACPI_RTYPE_ALL                  0x3F
 417
 418#define ACPI_NUM_RTYPES                 5       /* Number of actual object types */
 419
 420/*****************************************************************************
 421 *
 422 * Event typedefs and structs
 423 *
 424 ****************************************************************************/
 425
 426/* Dispatch info for each GPE -- either a method or handler, cannot be both */
 427
 428struct acpi_handler_info {
 429        acpi_event_handler address;     /* Address of handler, if any */
 430        void *context;          /* Context to be passed to handler */
 431        struct acpi_namespace_node *method_node;        /* Method node for this GPE level (saved) */
 432};
 433
 434union acpi_gpe_dispatch_info {
 435        struct acpi_namespace_node *method_node;        /* Method node for this GPE level */
 436        struct acpi_handler_info *handler;
 437};
 438
 439/*
 440 * Information about a GPE, one per each GPE in an array.
 441 * NOTE: Important to keep this struct as small as possible.
 442 */
 443struct acpi_gpe_event_info {
 444        union acpi_gpe_dispatch_info dispatch;  /* Either Method or Handler */
 445        struct acpi_gpe_register_info *register_info;   /* Backpointer to register info */
 446        u8 flags;               /* Misc info about this GPE */
 447        u8 gpe_number;          /* This GPE */
 448};
 449
 450/* Information about a GPE register pair, one per each status/enable pair in an array */
 451
 452struct acpi_gpe_register_info {
 453        struct acpi_generic_address status_address;     /* Address of status reg */
 454        struct acpi_generic_address enable_address;     /* Address of enable reg */
 455        u8 enable_for_wake;     /* GPEs to keep enabled when sleeping */
 456        u8 enable_for_run;      /* GPEs to keep enabled when running */
 457        u8 base_gpe_number;     /* Base GPE number for this register */
 458};
 459
 460/*
 461 * Information about a GPE register block, one per each installed block --
 462 * GPE0, GPE1, and one per each installed GPE Block Device.
 463 */
 464struct acpi_gpe_block_info {
 465        struct acpi_namespace_node *node;
 466        struct acpi_gpe_block_info *previous;
 467        struct acpi_gpe_block_info *next;
 468        struct acpi_gpe_xrupt_info *xrupt_block;        /* Backpointer to interrupt block */
 469        struct acpi_gpe_register_info *register_info;   /* One per GPE register pair */
 470        struct acpi_gpe_event_info *event_info; /* One for each GPE */
 471        struct acpi_generic_address block_address;      /* Base address of the block */
 472        u32 register_count;     /* Number of register pairs in block */
 473        u8 block_base_number;   /* Base GPE number for this block */
 474};
 475
 476/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
 477
 478struct acpi_gpe_xrupt_info {
 479        struct acpi_gpe_xrupt_info *previous;
 480        struct acpi_gpe_xrupt_info *next;
 481        struct acpi_gpe_block_info *gpe_block_list_head;        /* List of GPE blocks for this xrupt */
 482        u32 interrupt_number;   /* System interrupt number */
 483};
 484
 485struct acpi_gpe_walk_info {
 486        struct acpi_namespace_node *gpe_device;
 487        struct acpi_gpe_block_info *gpe_block;
 488};
 489
 490typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
 491                                         gpe_xrupt_info,
 492                                         struct acpi_gpe_block_info *
 493                                         gpe_block);
 494
 495/* Information about each particular fixed event */
 496
 497struct acpi_fixed_event_handler {
 498        acpi_event_handler handler;     /* Address of handler. */
 499        void *context;          /* Context to be passed to handler */
 500};
 501
 502struct acpi_fixed_event_info {
 503        u8 status_register_id;
 504        u8 enable_register_id;
 505        u16 status_bit_mask;
 506        u16 enable_bit_mask;
 507};
 508
 509/* Information used during field processing */
 510
 511struct acpi_field_info {
 512        u8 skip_field;
 513        u8 field_flag;
 514        u32 pkg_length;
 515};
 516
 517/*****************************************************************************
 518 *
 519 * Generic "state" object for stacks
 520 *
 521 ****************************************************************************/
 522
 523#define ACPI_CONTROL_NORMAL                  0xC0
 524#define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
 525#define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
 526#define ACPI_CONTROL_PREDICATE_FALSE         0xC3
 527#define ACPI_CONTROL_PREDICATE_TRUE          0xC4
 528
 529#define ACPI_STATE_COMMON \
 530        void                            *next; \
 531        u8                              descriptor_type; /* To differentiate various internal objs */\
 532        u8                              flags; \
 533        u16                             value; \
 534        u16                             state;
 535
 536        /* There are 2 bytes available here until the next natural alignment boundary */
 537
 538struct acpi_common_state {
 539ACPI_STATE_COMMON};
 540
 541/*
 542 * Update state - used to traverse complex objects such as packages
 543 */
 544struct acpi_update_state {
 545        ACPI_STATE_COMMON union acpi_operand_object *object;
 546};
 547
 548/*
 549 * Pkg state - used to traverse nested package structures
 550 */
 551struct acpi_pkg_state {
 552        ACPI_STATE_COMMON u16 index;
 553        union acpi_operand_object *source_object;
 554        union acpi_operand_object *dest_object;
 555        struct acpi_walk_state *walk_state;
 556        void *this_target_obj;
 557        u32 num_packages;
 558};
 559
 560/*
 561 * Control state - one per if/else and while constructs.
 562 * Allows nesting of these constructs
 563 */
 564struct acpi_control_state {
 565        ACPI_STATE_COMMON u16 opcode;
 566        union acpi_parse_object *predicate_op;
 567        u8 *aml_predicate_start;        /* Start of if/while predicate */
 568        u8 *package_end;        /* End of if/while block */
 569};
 570
 571/*
 572 * Scope state - current scope during namespace lookups
 573 */
 574struct acpi_scope_state {
 575        ACPI_STATE_COMMON struct acpi_namespace_node *node;
 576};
 577
 578struct acpi_pscope_state {
 579        ACPI_STATE_COMMON u32 arg_count;        /* Number of fixed arguments */
 580        union acpi_parse_object *op;    /* Current op being parsed */
 581        u8 *arg_end;            /* Current argument end */
 582        u8 *pkg_end;            /* Current package end */
 583        u32 arg_list;           /* Next argument to parse */
 584};
 585
 586/*
 587 * Thread state - one per thread across multiple walk states.  Multiple walk
 588 * states are created when there are nested control methods executing.
 589 */
 590struct acpi_thread_state {
 591        ACPI_STATE_COMMON u8 current_sync_level;        /* Mutex Sync (nested acquire) level */
 592        struct acpi_walk_state *walk_state_list;        /* Head of list of walk_states for this thread */
 593        union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */
 594        acpi_thread_id thread_id;       /* Running thread ID */
 595};
 596
 597/*
 598 * Result values - used to accumulate the results of nested
 599 * AML arguments
 600 */
 601struct acpi_result_values {
 602        ACPI_STATE_COMMON
 603            union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
 604};
 605
 606typedef
 607acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 608                                    union acpi_parse_object ** out_op);
 609
 610typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 611
 612/*
 613 * Notify info - used to pass info to the deferred notify
 614 * handler/dispatcher.
 615 */
 616struct acpi_notify_info {
 617        ACPI_STATE_COMMON struct acpi_namespace_node *node;
 618        union acpi_operand_object *handler_obj;
 619};
 620
 621/* Generic state is union of structs above */
 622
 623union acpi_generic_state {
 624        struct acpi_common_state common;
 625        struct acpi_control_state control;
 626        struct acpi_update_state update;
 627        struct acpi_scope_state scope;
 628        struct acpi_pscope_state parse_scope;
 629        struct acpi_pkg_state pkg;
 630        struct acpi_thread_state thread;
 631        struct acpi_result_values results;
 632        struct acpi_notify_info notify;
 633};
 634
 635/*****************************************************************************
 636 *
 637 * Interpreter typedefs and structs
 638 *
 639 ****************************************************************************/
 640
 641typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state);
 642
 643/*****************************************************************************
 644 *
 645 * Parser typedefs and structs
 646 *
 647 ****************************************************************************/
 648
 649/*
 650 * AML opcode, name, and argument layout
 651 */
 652struct acpi_opcode_info {
 653#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 654        char *name;             /* Opcode name (disassembler/debug only) */
 655#endif
 656        u32 parse_args;         /* Grammar/Parse time arguments */
 657        u32 runtime_args;       /* Interpret time arguments */
 658        u16 flags;              /* Misc flags */
 659        u8 object_type;         /* Corresponding internal object type */
 660        u8 class;               /* Opcode class */
 661        u8 type;                /* Opcode type */
 662};
 663
 664union acpi_parse_value {
 665        acpi_integer integer;   /* Integer constant (Up to 64 bits) */
 666        struct uint64_struct integer64; /* Structure overlay for 2 32-bit Dwords */
 667        u32 size;               /* bytelist or field size */
 668        char *string;           /* NULL terminated string */
 669        u8 *buffer;             /* buffer or string */
 670        char *name;             /* NULL terminated string */
 671        union acpi_parse_object *arg;   /* arguments and contained ops */
 672};
 673
 674#define ACPI_PARSE_COMMON \
 675        union acpi_parse_object         *parent;        /* Parent op */\
 676        u8                              descriptor_type; /* To differentiate various internal objs */\
 677        u8                              flags;          /* Type of Op */\
 678        u16                             aml_opcode;     /* AML opcode */\
 679        u32                             aml_offset;     /* Offset of declaration in AML */\
 680        union acpi_parse_object         *next;          /* Next op */\
 681        struct acpi_namespace_node      *node;          /* For use by interpreter */\
 682        union acpi_parse_value          value;          /* Value or args associated with the opcode */\
 683        u8                              arg_list_length; /* Number of elements in the arg list */\
 684        ACPI_DISASM_ONLY_MEMBERS (\
 685        u8                              disasm_flags;   /* Used during AML disassembly */\
 686        u8                              disasm_opcode;  /* Subtype used for disassembly */\
 687        char                            aml_op_name[16])        /* Op name (debug only) */
 688
 689#define ACPI_DASM_BUFFER                0x00
 690#define ACPI_DASM_RESOURCE              0x01
 691#define ACPI_DASM_STRING                0x02
 692#define ACPI_DASM_UNICODE               0x03
 693#define ACPI_DASM_EISAID                0x04
 694#define ACPI_DASM_MATCHOP               0x05
 695#define ACPI_DASM_LNOT_PREFIX           0x06
 696#define ACPI_DASM_LNOT_SUFFIX           0x07
 697#define ACPI_DASM_IGNORE                0x08
 698
 699/*
 700 * Generic operation (for example:  If, While, Store)
 701 */
 702struct acpi_parse_obj_common {
 703ACPI_PARSE_COMMON};
 704
 705/*
 706 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 707 * and bytelists.
 708 */
 709struct acpi_parse_obj_named {
 710        ACPI_PARSE_COMMON u8 *path;
 711        u8 *data;               /* AML body or bytelist data */
 712        u32 length;             /* AML length */
 713        u32 name;               /* 4-byte name or zero if no name */
 714};
 715
 716/* This version is used by the i_aSL compiler only */
 717
 718#define ACPI_MAX_PARSEOP_NAME   20
 719
 720struct acpi_parse_obj_asl {
 721        ACPI_PARSE_COMMON union acpi_parse_object *child;
 722        union acpi_parse_object *parent_method;
 723        char *filename;
 724        char *external_name;
 725        char *namepath;
 726        char name_seg[4];
 727        u32 extra_value;
 728        u32 column;
 729        u32 line_number;
 730        u32 logical_line_number;
 731        u32 logical_byte_offset;
 732        u32 end_line;
 733        u32 end_logical_line;
 734        u32 acpi_btype;
 735        u32 aml_length;
 736        u32 aml_subtree_length;
 737        u32 final_aml_length;
 738        u32 final_aml_offset;
 739        u32 compile_flags;
 740        u16 parse_opcode;
 741        u8 aml_opcode_length;
 742        u8 aml_pkg_len_bytes;
 743        u8 extra;
 744        char parse_op_name[ACPI_MAX_PARSEOP_NAME];
 745};
 746
 747union acpi_parse_object {
 748        struct acpi_parse_obj_common common;
 749        struct acpi_parse_obj_named named;
 750        struct acpi_parse_obj_asl asl;
 751};
 752
 753/*
 754 * Parse state - one state per parser invocation and each control
 755 * method.
 756 */
 757struct acpi_parse_state {
 758        u8 *aml_start;          /* First AML byte */
 759        u8 *aml;                /* Next AML byte */
 760        u8 *aml_end;            /* (last + 1) AML byte */
 761        u8 *pkg_start;          /* Current package begin */
 762        u8 *pkg_end;            /* Current package end */
 763        union acpi_parse_object *start_op;      /* Root of parse tree */
 764        struct acpi_namespace_node *start_node;
 765        union acpi_generic_state *scope;        /* Current scope */
 766        union acpi_parse_object *start_scope;
 767        u32 aml_size;
 768};
 769
 770/* Parse object flags */
 771
 772#define ACPI_PARSEOP_GENERIC            0x01
 773#define ACPI_PARSEOP_NAMED              0x02
 774#define ACPI_PARSEOP_DEFERRED           0x04
 775#define ACPI_PARSEOP_BYTELIST           0x08
 776#define ACPI_PARSEOP_IN_STACK           0x10
 777#define ACPI_PARSEOP_TARGET             0x20
 778#define ACPI_PARSEOP_IN_CACHE           0x80
 779
 780/* Parse object disasm_flags */
 781
 782#define ACPI_PARSEOP_IGNORE             0x01
 783#define ACPI_PARSEOP_PARAMLIST          0x02
 784#define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
 785#define ACPI_PARSEOP_SPECIAL            0x10
 786
 787/*****************************************************************************
 788 *
 789 * Hardware (ACPI registers) and PNP
 790 *
 791 ****************************************************************************/
 792
 793#define PCI_ROOT_HID_STRING             "PNP0A03"
 794#define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
 795
 796struct acpi_bit_register_info {
 797        u8 parent_register;
 798        u8 bit_position;
 799        u16 access_bit_mask;
 800};
 801
 802/*
 803 * Some ACPI registers have bits that must be ignored -- meaning that they
 804 * must be preserved.
 805 */
 806#define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800  /* Bit 11 */
 807#define ACPI_PM1_CONTROL_PRESERVED_BITS         0x0200  /* Bit 9 (whatever) */
 808
 809/*
 810 * Register IDs
 811 * These are the full ACPI registers
 812 */
 813#define ACPI_REGISTER_PM1_STATUS                0x01
 814#define ACPI_REGISTER_PM1_ENABLE                0x02
 815#define ACPI_REGISTER_PM1_CONTROL               0x03
 816#define ACPI_REGISTER_PM1A_CONTROL              0x04
 817#define ACPI_REGISTER_PM1B_CONTROL              0x05
 818#define ACPI_REGISTER_PM2_CONTROL               0x06
 819#define ACPI_REGISTER_PM_TIMER                  0x07
 820#define ACPI_REGISTER_PROCESSOR_BLOCK           0x08
 821#define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x09
 822
 823/* Masks used to access the bit_registers */
 824
 825#define ACPI_BITMASK_TIMER_STATUS               0x0001
 826#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
 827#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
 828#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
 829#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
 830#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
 831#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
 832#define ACPI_BITMASK_WAKE_STATUS                0x8000
 833
 834#define ACPI_BITMASK_ALL_FIXED_STATUS           (\
 835        ACPI_BITMASK_TIMER_STATUS          | \
 836        ACPI_BITMASK_BUS_MASTER_STATUS     | \
 837        ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
 838        ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 839        ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 840        ACPI_BITMASK_RT_CLOCK_STATUS       | \
 841        ACPI_BITMASK_WAKE_STATUS)
 842
 843#define ACPI_BITMASK_TIMER_ENABLE               0x0001
 844#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
 845#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
 846#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
 847#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 848#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000  /* ACPI 3.0 */
 849
 850#define ACPI_BITMASK_SCI_ENABLE                 0x0001
 851#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
 852#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
 853#define ACPI_BITMASK_SLEEP_TYPE_X               0x1C00
 854#define ACPI_BITMASK_SLEEP_ENABLE               0x2000
 855
 856#define ACPI_BITMASK_ARB_DISABLE                0x0001
 857
 858/* Raw bit position of each bit_register */
 859
 860#define ACPI_BITPOSITION_TIMER_STATUS           0x00
 861#define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
 862#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
 863#define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
 864#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
 865#define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
 866#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E    /* ACPI 3.0 */
 867#define ACPI_BITPOSITION_WAKE_STATUS            0x0F
 868
 869#define ACPI_BITPOSITION_TIMER_ENABLE           0x00
 870#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
 871#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
 872#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
 873#define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
 874#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E    /* ACPI 3.0 */
 875
 876#define ACPI_BITPOSITION_SCI_ENABLE             0x00
 877#define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
 878#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
 879#define ACPI_BITPOSITION_SLEEP_TYPE_X           0x0A
 880#define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
 881
 882#define ACPI_BITPOSITION_ARB_DISABLE            0x00
 883
 884/*****************************************************************************
 885 *
 886 * Resource descriptors
 887 *
 888 ****************************************************************************/
 889
 890/* resource_type values */
 891
 892#define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
 893#define ACPI_ADDRESS_TYPE_IO_RANGE              1
 894#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
 895
 896/* Resource descriptor types and masks */
 897
 898#define ACPI_RESOURCE_NAME_LARGE                0x80
 899#define ACPI_RESOURCE_NAME_SMALL                0x00
 900
 901#define ACPI_RESOURCE_NAME_SMALL_MASK           0x78    /* Bits 6:3 contain the type */
 902#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07    /* Bits 2:0 contain the length */
 903#define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F    /* Bits 6:0 contain the type */
 904
 905/*
 906 * Small resource descriptor "names" as defined by the ACPI specification.
 907 * Note: Bits 2:0 are used for the descriptor length
 908 */
 909#define ACPI_RESOURCE_NAME_IRQ                  0x20
 910#define ACPI_RESOURCE_NAME_DMA                  0x28
 911#define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
 912#define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
 913#define ACPI_RESOURCE_NAME_IO                   0x40
 914#define ACPI_RESOURCE_NAME_FIXED_IO             0x48
 915#define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
 916#define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
 917#define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
 918#define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
 919#define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
 920#define ACPI_RESOURCE_NAME_END_TAG              0x78
 921
 922/*
 923 * Large resource descriptor "names" as defined by the ACPI specification.
 924 * Note: includes the Large Descriptor bit in bit[7]
 925 */
 926#define ACPI_RESOURCE_NAME_MEMORY24             0x81
 927#define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
 928#define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
 929#define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
 930#define ACPI_RESOURCE_NAME_MEMORY32             0x85
 931#define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
 932#define ACPI_RESOURCE_NAME_ADDRESS32            0x87
 933#define ACPI_RESOURCE_NAME_ADDRESS16            0x88
 934#define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
 935#define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
 936#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
 937#define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B
 938
 939/*****************************************************************************
 940 *
 941 * Miscellaneous
 942 *
 943 ****************************************************************************/
 944
 945#define ACPI_ASCII_ZERO                 0x30
 946
 947/*****************************************************************************
 948 *
 949 * Debugger
 950 *
 951 ****************************************************************************/
 952
 953struct acpi_db_method_info {
 954        acpi_handle main_thread_gate;
 955        acpi_handle thread_complete_gate;
 956        u32 *threads;
 957        u32 num_threads;
 958        u32 num_created;
 959        u32 num_completed;
 960
 961        char *name;
 962        u32 flags;
 963        u32 num_loops;
 964        char pathname[128];
 965        char **args;
 966
 967        /*
 968         * Arguments to be passed to method for the command
 969         * Threads -
 970         *   the Number of threads, ID of current thread and
 971         *   Index of current thread inside all them created.
 972         */
 973        char init_args;
 974        char *arguments[4];
 975        char num_threads_str[11];
 976        char id_of_thread_str[11];
 977        char index_of_thread_str[11];
 978};
 979
 980struct acpi_integrity_info {
 981        u32 nodes;
 982        u32 objects;
 983};
 984
 985#define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
 986#define ACPI_DB_CONSOLE_OUTPUT          0x02
 987#define ACPI_DB_DUPLICATE_OUTPUT        0x03
 988
 989/*****************************************************************************
 990 *
 991 * Debug
 992 *
 993 ****************************************************************************/
 994
 995/* Entry for a memory allocation (debug only) */
 996
 997#define ACPI_MEM_MALLOC                 0
 998#define ACPI_MEM_CALLOC                 1
 999#define ACPI_MAX_MODULE_NAME            16
1000
1001#define ACPI_COMMON_DEBUG_MEM_HEADER \
1002        struct acpi_debug_mem_block     *previous; \
1003        struct acpi_debug_mem_block     *next; \
1004        u32                             size; \
1005        u32                             component; \
1006        u32                             line; \
1007        char                            module[ACPI_MAX_MODULE_NAME]; \
1008        u8                              alloc_type;
1009
1010struct acpi_debug_mem_header {
1011ACPI_COMMON_DEBUG_MEM_HEADER};
1012
1013struct acpi_debug_mem_block {
1014        ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1015};
1016
1017#define ACPI_MEM_LIST_GLOBAL            0
1018#define ACPI_MEM_LIST_NSNODE            1
1019#define ACPI_MEM_LIST_MAX               1
1020#define ACPI_NUM_MEM_LISTS              2
1021
1022struct acpi_memory_list {
1023        char *list_name;
1024        void *list_head;
1025        u16 object_size;
1026        u16 max_depth;
1027        u16 current_depth;
1028        u16 link_offset;
1029
1030#ifdef ACPI_DBG_TRACK_ALLOCATIONS
1031
1032        /* Statistics for debug memory tracking only */
1033
1034        u32 total_allocated;
1035        u32 total_freed;
1036        u32 max_occupied;
1037        u32 total_size;
1038        u32 current_total_size;
1039        u32 requests;
1040        u32 hits;
1041#endif
1042};
1043
1044#endif                          /* __ACLOCAL_H__ */
1045
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