drivers/acpi/acpica/aclocal.h

   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
  51 typedef 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
  60 struct acpi_walk_state;
  61 struct acpi_obj_mutex;
  62 union 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
  92 struct 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
 122 struct 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
 150 typedef 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  */
 167 struct 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
 209 struct 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
 224 struct 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
 233 struct acpi_find_context {
 234         char *search_for;
 235         acpi_handle *list;
 236         u32 *count;
 237 };
 238
 239 struct 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
 250 struct 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
 262 struct 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
 280 typedef
 281 acpi_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  */
 328 struct 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  */
 347 struct 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
 358 struct 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
 367 struct acpi_package_info3 {
 368         u8 type;
 369         u8 count;
 370         u8 object_type[2];
 371         u8 tail_object_type;
 372         u16 reserved;
 373 };
 374
 375 struct 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
 384 union 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
 398 typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node *
 399                                               scope,
 400                                               union acpi_operand_object *
 401                                               original_object,
 402                                               union acpi_operand_object **
 403                                               converted_object);
 404
 405 struct acpi_simple_repair_info {
 406         char name[ACPI_NAME_SIZE];
 407         u32 unexpected_btypes;
 408         u32 package_index;
 409         acpi_object_converter object_converter;
 410 };
 411
 412 /*
 413  * Bitmapped return value types
 414  * Note: the actual data types must be contiguous, a loop in nspredef.c
 415  * depends on this.
 416  */
 417 #define ACPI_RTYPE_ANY                  0x00
 418 #define ACPI_RTYPE_NONE                 0x01
 419 #define ACPI_RTYPE_INTEGER              0x02
 420 #define ACPI_RTYPE_STRING               0x04
 421 #define ACPI_RTYPE_BUFFER               0x08
 422 #define ACPI_RTYPE_PACKAGE              0x10
 423 #define ACPI_RTYPE_REFERENCE            0x20
 424 #define ACPI_RTYPE_ALL                  0x3F
 425
 426 #define ACPI_NUM_RTYPES                 5       /* Number of actual object types */
 427
 428 /* Info for running the _REG methods */
 429
 430 struct acpi_reg_walk_info {
 431         acpi_adr_space_type space_id;
 432         u32 function;
 433         u32 reg_run_count;
 434 };
 435
 436 /*****************************************************************************
 437  *
 438  * Event typedefs and structs
 439  *
 440  ****************************************************************************/
 441
 442 /* Dispatch info for each host-installed SCI handler */
 443
 444 struct acpi_sci_handler_info {
 445         struct acpi_sci_handler_info *next;
 446         acpi_sci_handler address;       /* Address of handler */
 447         void *context;          /* Context to be passed to handler */
 448 };
 449
 450 /* Dispatch info for each GPE -- either a method or handler, cannot be both */
 451
 452 struct acpi_gpe_handler_info {
 453         acpi_gpe_handler address;       /* Address of handler, if any */
 454         void *context;          /* Context to be passed to handler */
 455         struct acpi_namespace_node *method_node;        /* Method node for this GPE level (saved) */
 456         u8 original_flags;      /* Original (pre-handler) GPE info */
 457         u8 originally_enabled;  /* True if GPE was originally enabled */
 458 };
 459
 460 /* Notify info for implicit notify, multiple device objects */
 461
 462 struct acpi_gpe_notify_info {
 463         struct acpi_namespace_node *device_node;        /* Device to be notified */
 464         struct acpi_gpe_notify_info *next;
 465 };
 466
 467 /*
 468  * GPE dispatch info. At any time, the GPE can have at most one type
 469  * of dispatch - Method, Handler, or Implicit Notify.
 470  */
 471 union acpi_gpe_dispatch_info {
 472         struct acpi_namespace_node *method_node;        /* Method node for this GPE level */
 473         struct acpi_gpe_handler_info *handler;  /* Installed GPE handler */
 474         struct acpi_gpe_notify_info *notify_list;       /* List of _PRW devices for implicit notifies */
 475 };
 476
 477 /*
 478  * Information about a GPE, one per each GPE in an array.
 479  * NOTE: Important to keep this struct as small as possible.
 480  */
 481 struct acpi_gpe_event_info {
 482         union acpi_gpe_dispatch_info dispatch;  /* Either Method, Handler, or notify_list */
 483         struct acpi_gpe_register_info *register_info;   /* Backpointer to register info */
 484         u8 flags;               /* Misc info about this GPE */
 485         u8 gpe_number;          /* This GPE */
 486         u8 runtime_count;       /* References to a run GPE */
 487         u8 disable_for_dispatch;        /* Masked during dispatching */
 488 };
 489
 490 /* Information about a GPE register pair, one per each status/enable pair in an array */
 491
 492 struct acpi_gpe_register_info {
 493         struct acpi_generic_address status_address;     /* Address of status reg */
 494         struct acpi_generic_address enable_address;     /* Address of enable reg */
 495         u16 base_gpe_number;    /* Base GPE number for this register */
 496         u8 enable_for_wake;     /* GPEs to keep enabled when sleeping */
 497         u8 enable_for_run;      /* GPEs to keep enabled when running */
 498         u8 mask_for_run;        /* GPEs to keep masked when running */
 499         u8 enable_mask;         /* Current mask of enabled GPEs */
 500 };
 501
 502 /*
 503  * Information about a GPE register block, one per each installed block --
 504  * GPE0, GPE1, and one per each installed GPE Block Device.
 505  */
 506 struct acpi_gpe_block_info {
 507         struct acpi_namespace_node *node;
 508         struct acpi_gpe_block_info *previous;
 509         struct acpi_gpe_block_info *next;
 510         struct acpi_gpe_xrupt_info *xrupt_block;        /* Backpointer to interrupt block */
 511         struct acpi_gpe_register_info *register_info;   /* One per GPE register pair */
 512         struct acpi_gpe_event_info *event_info; /* One for each GPE */
 513         u64 address;            /* Base address of the block */
 514         u32 register_count;     /* Number of register pairs in block */
 515         u16 gpe_count;          /* Number of individual GPEs in block */
 516         u16 block_base_number;  /* Base GPE number for this block */
 517         u8 space_id;
 518         u8 initialized;         /* TRUE if this block is initialized */
 519 };
 520
 521 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
 522
 523 struct acpi_gpe_xrupt_info {
 524         struct acpi_gpe_xrupt_info *previous;
 525         struct acpi_gpe_xrupt_info *next;
 526         struct acpi_gpe_block_info *gpe_block_list_head;        /* List of GPE blocks for this xrupt */
 527         u32 interrupt_number;   /* System interrupt number */
 528 };
 529
 530 struct acpi_gpe_walk_info {
 531         struct acpi_namespace_node *gpe_device;
 532         struct acpi_gpe_block_info *gpe_block;
 533         u16 count;
 534         acpi_owner_id owner_id;
 535         u8 execute_by_owner_id;
 536 };
 537
 538 struct acpi_gpe_device_info {
 539         u32 index;
 540         u32 next_block_base_index;
 541         acpi_status status;
 542         struct acpi_namespace_node *gpe_device;
 543 };
 544
 545 typedef acpi_status (*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
 546                                           gpe_xrupt_info,
 547                                           struct acpi_gpe_block_info *
 548                                           gpe_block, void *context);
 549
 550 /* Information about each particular fixed event */
 551
 552 struct acpi_fixed_event_handler {
 553         acpi_event_handler handler;     /* Address of handler. */
 554         void *context;          /* Context to be passed to handler */
 555 };
 556
 557 struct acpi_fixed_event_info {
 558         u8 status_register_id;
 559         u8 enable_register_id;
 560         u16 status_bit_mask;
 561         u16 enable_bit_mask;
 562 };
 563
 564 /* Information used during field processing */
 565
 566 struct acpi_field_info {
 567         u8 skip_field;
 568         u8 field_flag;
 569         u32 pkg_length;
 570 };
 571
 572 /*****************************************************************************
 573  *
 574  * Generic "state" object for stacks
 575  *
 576  ****************************************************************************/
 577
 578 #define ACPI_CONTROL_NORMAL                  0xC0
 579 #define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
 580 #define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
 581 #define ACPI_CONTROL_PREDICATE_FALSE         0xC3
 582 #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
 583
 584 #define ACPI_STATE_COMMON \
 585         void                            *next; \
 586         u8                              descriptor_type; /* To differentiate various internal objs */\
 587         u8                              flags; \
 588         u16                             value; \
 589         u16                             state;
 590
 591         /* There are 2 bytes available here until the next natural alignment boundary */
 592
 593 struct acpi_common_state {
 594 ACPI_STATE_COMMON};
 595
 596 /*
 597  * Update state - used to traverse complex objects such as packages
 598  */
 599 struct acpi_update_state {
 600         ACPI_STATE_COMMON union acpi_operand_object *object;
 601 };
 602
 603 /*
 604  * Pkg state - used to traverse nested package structures
 605  */
 606 struct acpi_pkg_state {
 607         ACPI_STATE_COMMON u16 index;
 608         union acpi_operand_object *source_object;
 609         union acpi_operand_object *dest_object;
 610         struct acpi_walk_state *walk_state;
 611         void *this_target_obj;
 612         u32 num_packages;
 613 };
 614
 615 /*
 616  * Control state - one per if/else and while constructs.
 617  * Allows nesting of these constructs
 618  */
 619 struct acpi_control_state {
 620         ACPI_STATE_COMMON u16 opcode;
 621         union acpi_parse_object *predicate_op;
 622         u8 *aml_predicate_start;        /* Start of if/while predicate */
 623         u8 *package_end;        /* End of if/while block */
 624         u32 loop_count;         /* While() loop counter */
 625 };
 626
 627 /*
 628  * Scope state - current scope during namespace lookups
 629  */
 630 struct acpi_scope_state {
 631         ACPI_STATE_COMMON struct acpi_namespace_node *node;
 632 };
 633
 634 struct acpi_pscope_state {
 635         ACPI_STATE_COMMON u32 arg_count;        /* Number of fixed arguments */
 636         union acpi_parse_object *op;    /* Current op being parsed */
 637         u8 *arg_end;            /* Current argument end */
 638         u8 *pkg_end;            /* Current package end */
 639         u32 arg_list;           /* Next argument to parse */
 640 };
 641
 642 /*
 643  * Thread state - one per thread across multiple walk states. Multiple walk
 644  * states are created when there are nested control methods executing.
 645  */
 646 struct acpi_thread_state {
 647         ACPI_STATE_COMMON u8 current_sync_level;        /* Mutex Sync (nested acquire) level */
 648         struct acpi_walk_state *walk_state_list;        /* Head of list of walk_states for this thread */
 649         union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */
 650         acpi_thread_id thread_id;       /* Running thread ID */
 651 };
 652
 653 /*
 654  * Result values - used to accumulate the results of nested
 655  * AML arguments
 656  */
 657 struct acpi_result_values {
 658         ACPI_STATE_COMMON
 659             union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
 660 };
 661
 662 typedef
 663 acpi_status (*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 664                                      union acpi_parse_object ** out_op);
 665
 666 typedef
 667 acpi_status (*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 668
 669 /* Global handlers for AML Notifies */
 670
 671 struct acpi_global_notify_handler {
 672         acpi_notify_handler handler;
 673         void *context;
 674 };
 675
 676 /*
 677  * Notify info - used to pass info to the deferred notify
 678  * handler/dispatcher.
 679  */
 680 struct acpi_notify_info {
 681         ACPI_STATE_COMMON u8 handler_list_id;
 682         struct acpi_namespace_node *node;
 683         union acpi_operand_object *handler_list_head;
 684         struct acpi_global_notify_handler *global;
 685 };
 686
 687 /* Generic state is union of structs above */
 688
 689 union acpi_generic_state {
 690         struct acpi_common_state common;
 691         struct acpi_control_state control;
 692         struct acpi_update_state update;
 693         struct acpi_scope_state scope;
 694         struct acpi_pscope_state parse_scope;
 695         struct acpi_pkg_state pkg;
 696         struct acpi_thread_state thread;
 697         struct acpi_result_values results;
 698         struct acpi_notify_info notify;
 699 };
 700
 701 /*****************************************************************************
 702  *
 703  * Interpreter typedefs and structs
 704  *
 705  ****************************************************************************/
 706
 707 typedef
 708 acpi_status (*acpi_execute_op) (struct acpi_walk_state * walk_state);
 709
 710 /* Address Range info block */
 711
 712 struct acpi_address_range {
 713         struct acpi_address_range *next;
 714         struct acpi_namespace_node *region_node;
 715         acpi_physical_address start_address;
 716         acpi_physical_address end_address;
 717 };
 718
 719 /*****************************************************************************
 720  *
 721  * Parser typedefs and structs
 722  *
 723  ****************************************************************************/
 724
 725 /*
 726  * AML opcode, name, and argument layout
 727  */
 728 struct acpi_opcode_info {
 729 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 730         char *name;             /* Opcode name (disassembler/debug only) */
 731 #endif
 732         u32 parse_args;         /* Grammar/Parse time arguments */
 733         u32 runtime_args;       /* Interpret time arguments */
 734         u16 flags;              /* Misc flags */
 735         u8 object_type;         /* Corresponding internal object type */
 736         u8 class;               /* Opcode class */
 737         u8 type;                /* Opcode type */
 738 };
 739
 740 /* Value associated with the parse object */
 741
 742 union acpi_parse_value {
 743         u64 integer;            /* Integer constant (Up to 64 bits) */
 744         u32 size;               /* bytelist or field size */
 745         char *string;           /* NULL terminated string */
 746         u8 *buffer;             /* buffer or string */
 747         char *name;             /* NULL terminated string */
 748         union acpi_parse_object *arg;   /* arguments and contained ops */
 749 };
 750
 751 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 752 #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
 753 #else
 754 #define ACPI_DISASM_ONLY_MEMBERS(a)
 755 #endif
 756
 757 #define ACPI_PARSE_COMMON \
 758         union acpi_parse_object         *parent;        /* Parent op */\
 759         u8                              descriptor_type; /* To differentiate various internal objs */\
 760         u8                              flags;          /* Type of Op */\
 761         u16                             aml_opcode;     /* AML opcode */\
 762         u8                              *aml;           /* Address of declaration in AML */\
 763         union acpi_parse_object         *next;          /* Next op */\
 764         struct acpi_namespace_node      *node;          /* For use by interpreter */\
 765         union acpi_parse_value          value;          /* Value or args associated with the opcode */\
 766         u8                              arg_list_length; /* Number of elements in the arg list */\
 767         ACPI_DISASM_ONLY_MEMBERS (\
 768         u16                             disasm_flags;   /* Used during AML disassembly */\
 769         u8                              disasm_opcode;  /* Subtype used for disassembly */\
 770         char                            *operator_symbol;/* Used for C-style operator name strings */\
 771         char                            aml_op_name[16])        /* Op name (debug only) */
 772
 773 /* Flags for disasm_flags field above */
 774
 775 #define ACPI_DASM_BUFFER                0x00    /* Buffer is a simple data buffer */
 776 #define ACPI_DASM_RESOURCE              0x01    /* Buffer is a Resource Descriptor */
 777 #define ACPI_DASM_STRING                0x02    /* Buffer is a ASCII string */
 778 #define ACPI_DASM_UNICODE               0x03    /* Buffer is a Unicode string */
 779 #define ACPI_DASM_PLD_METHOD            0x04    /* Buffer is a _PLD method bit-packed buffer */
 780 #define ACPI_DASM_UUID                  0x05    /* Buffer is a UUID/GUID */
 781 #define ACPI_DASM_EISAID                0x06    /* Integer is an EISAID */
 782 #define ACPI_DASM_MATCHOP               0x07    /* Parent opcode is a Match() operator */
 783 #define ACPI_DASM_LNOT_PREFIX           0x08    /* Start of a Lnot_equal (etc.) pair of opcodes */
 784 #define ACPI_DASM_LNOT_SUFFIX           0x09    /* End  of a Lnot_equal (etc.) pair of opcodes */
 785 #define ACPI_DASM_HID_STRING            0x0A    /* String is a _HID or _CID */
 786 #define ACPI_DASM_IGNORE                0x0B    /* Not used at this time */
 787
 788 /*
 789  * Generic operation (for example:  If, While, Store)
 790  */
 791 struct acpi_parse_obj_common {
 792 ACPI_PARSE_COMMON};
 793
 794 /*
 795  * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 796  * and bytelists.
 797  */
 798 struct acpi_parse_obj_named {
 799         ACPI_PARSE_COMMON u8 *path;
 800         u8 *data;               /* AML body or bytelist data */
 801         u32 length;             /* AML length */
 802         u32 name;               /* 4-byte name or zero if no name */
 803 };
 804
 805 /* This version is used by the iASL compiler only */
 806
 807 #define ACPI_MAX_PARSEOP_NAME   20
 808
 809 struct acpi_parse_obj_asl {
 810         ACPI_PARSE_COMMON union acpi_parse_object *child;
 811         union acpi_parse_object *parent_method;
 812         char *filename;
 813         char *external_name;
 814         char *namepath;
 815         char name_seg[4];
 816         u32 extra_value;
 817         u32 column;
 818         u32 line_number;
 819         u32 logical_line_number;
 820         u32 logical_byte_offset;
 821         u32 end_line;
 822         u32 end_logical_line;
 823         u32 acpi_btype;
 824         u32 aml_length;
 825         u32 aml_subtree_length;
 826         u32 final_aml_length;
 827         u32 final_aml_offset;
 828         u32 compile_flags;
 829         u16 parse_opcode;
 830         u8 aml_opcode_length;
 831         u8 aml_pkg_len_bytes;
 832         u8 extra;
 833         char parse_op_name[ACPI_MAX_PARSEOP_NAME];
 834 };
 835
 836 union acpi_parse_object {
 837         struct acpi_parse_obj_common common;
 838         struct acpi_parse_obj_named named;
 839         struct acpi_parse_obj_asl asl;
 840 };
 841
 842 /*
 843  * Parse state - one state per parser invocation and each control
 844  * method.
 845  */
 846 struct acpi_parse_state {
 847         u8 *aml_start;          /* First AML byte */
 848         u8 *aml;                /* Next AML byte */
 849         u8 *aml_end;            /* (last + 1) AML byte */
 850         u8 *pkg_start;          /* Current package begin */
 851         u8 *pkg_end;            /* Current package end */
 852         union acpi_parse_object *start_op;      /* Root of parse tree */
 853         struct acpi_namespace_node *start_node;
 854         union acpi_generic_state *scope;        /* Current scope */
 855         union acpi_parse_object *start_scope;
 856         u32 aml_size;
 857 };
 858
 859 /* Parse object flags */
 860
 861 #define ACPI_PARSEOP_GENERIC                0x01
 862 #define ACPI_PARSEOP_NAMED_OBJECT           0x02
 863 #define ACPI_PARSEOP_DEFERRED               0x04
 864 #define ACPI_PARSEOP_BYTELIST               0x08
 865 #define ACPI_PARSEOP_IN_STACK               0x10
 866 #define ACPI_PARSEOP_TARGET                 0x20
 867 #define ACPI_PARSEOP_IN_CACHE               0x80
 868
 869 /* Parse object disasm_flags */
 870
 871 #define ACPI_PARSEOP_IGNORE                 0x0001
 872 #define ACPI_PARSEOP_PARAMETER_LIST         0x0002
 873 #define ACPI_PARSEOP_EMPTY_TERMLIST         0x0004
 874 #define ACPI_PARSEOP_PREDEFINED_CHECKED     0x0008
 875 #define ACPI_PARSEOP_CLOSING_PAREN          0x0010
 876 #define ACPI_PARSEOP_COMPOUND_ASSIGNMENT    0x0020
 877 #define ACPI_PARSEOP_ASSIGNMENT             0x0040
 878 #define ACPI_PARSEOP_ELSEIF                 0x0080
 879 #define ACPI_PARSEOP_LEGACY_ASL_ONLY        0x0100
 880
 881 /*****************************************************************************
 882  *
 883  * Hardware (ACPI registers) and PNP
 884  *
 885  ****************************************************************************/
 886
 887 struct acpi_bit_register_info {
 888         u8 parent_register;
 889         u8 bit_position;
 890         u16 access_bit_mask;
 891 };
 892
 893 /*
 894  * Some ACPI registers have bits that must be ignored -- meaning that they
 895  * must be preserved.
 896  */
 897 #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800  /* Bit 11 */
 898
 899 /* Write-only bits must be zeroed by software */
 900
 901 #define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004  /* Bits 13, 2 */
 902
 903 /* For control registers, both ignored and reserved bits must be preserved */
 904
 905 /*
 906  * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
 907  * ACPI specification to be a "preserved" bit - "OSPM always preserves this
 908  * bit position", section 4.7.3.2.1. However, on some machines the OS must
 909  * write a one to this bit after resume for the machine to work properly.
 910  * To enable this, we no longer attempt to preserve this bit. No machines
 911  * are known to fail if the bit is not preserved. (May 2009)
 912  */
 913 #define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200  /* Bit 9 */
 914 #define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8  /* Bits 14-15, 3-8 */
 915 #define ACPI_PM1_CONTROL_PRESERVED_BITS \
 916                (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
 917
 918 #define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE      /* All except bit 0 */
 919
 920 /*
 921  * Register IDs
 922  * These are the full ACPI registers
 923  */
 924 #define ACPI_REGISTER_PM1_STATUS                0x01
 925 #define ACPI_REGISTER_PM1_ENABLE                0x02
 926 #define ACPI_REGISTER_PM1_CONTROL               0x03
 927 #define ACPI_REGISTER_PM2_CONTROL               0x04
 928 #define ACPI_REGISTER_PM_TIMER                  0x05
 929 #define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
 930 #define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
 931
 932 /* Masks used to access the bit_registers */
 933
 934 #define ACPI_BITMASK_TIMER_STATUS               0x0001
 935 #define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
 936 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
 937 #define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
 938 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
 939 #define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
 940 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
 941 #define ACPI_BITMASK_WAKE_STATUS                0x8000
 942
 943 #define ACPI_BITMASK_ALL_FIXED_STATUS           (\
 944         ACPI_BITMASK_TIMER_STATUS          | \
 945         ACPI_BITMASK_BUS_MASTER_STATUS     | \
 946         ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
 947         ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 948         ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 949         ACPI_BITMASK_RT_CLOCK_STATUS       | \
 950         ACPI_BITMASK_PCIEXP_WAKE_STATUS    | \
 951         ACPI_BITMASK_WAKE_STATUS)
 952
 953 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
 954 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
 955 #define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
 956 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
 957 #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 958 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000  /* ACPI 3.0 */
 959
 960 #define ACPI_BITMASK_SCI_ENABLE                 0x0001
 961 #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
 962 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
 963 #define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
 964 #define ACPI_BITMASK_SLEEP_ENABLE               0x2000
 965
 966 #define ACPI_BITMASK_ARB_DISABLE                0x0001
 967
 968 /* Raw bit position of each bit_register */
 969
 970 #define ACPI_BITPOSITION_TIMER_STATUS           0x00
 971 #define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
 972 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
 973 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
 974 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
 975 #define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
 976 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E    /* ACPI 3.0 */
 977 #define ACPI_BITPOSITION_WAKE_STATUS            0x0F
 978
 979 #define ACPI_BITPOSITION_TIMER_ENABLE           0x00
 980 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
 981 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
 982 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
 983 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
 984 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E    /* ACPI 3.0 */
 985
 986 #define ACPI_BITPOSITION_SCI_ENABLE             0x00
 987 #define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
 988 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
 989 #define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
 990 #define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
 991
 992 #define ACPI_BITPOSITION_ARB_DISABLE            0x00
 993
 994 /* Structs and definitions for _OSI support and I/O port validation */
 995
 996 #define ACPI_ALWAYS_ILLEGAL             0x00
 997
 998 struct acpi_interface_info {
 999         char *name;
1000         struct acpi_interface_info *next;
1001         u8 flags;
1002         u8 value;
1003 };
1004
1005 #define ACPI_OSI_INVALID                0x01
1006 #define ACPI_OSI_DYNAMIC                0x02
1007 #define ACPI_OSI_FEATURE                0x04
1008 #define ACPI_OSI_DEFAULT_INVALID        0x08
1009 #define ACPI_OSI_OPTIONAL_FEATURE       (ACPI_OSI_FEATURE | ACPI_OSI_DEFAULT_INVALID | ACPI_OSI_INVALID)
1010
1011 struct acpi_port_info {
1012         char *name;
1013         u16 start;
1014         u16 end;
1015         u8 osi_dependency;
1016 };
1017
1018 /*****************************************************************************
1019  *
1020  * Resource descriptors
1021  *
1022  ****************************************************************************/
1023
1024 /* resource_type values */
1025
1026 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
1027 #define ACPI_ADDRESS_TYPE_IO_RANGE              1
1028 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
1029
1030 /* Resource descriptor types and masks */
1031
1032 #define ACPI_RESOURCE_NAME_LARGE                0x80
1033 #define ACPI_RESOURCE_NAME_SMALL                0x00
1034
1035 #define ACPI_RESOURCE_NAME_SMALL_MASK           0x78    /* Bits 6:3 contain the type */
1036 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07    /* Bits 2:0 contain the length */
1037 #define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F    /* Bits 6:0 contain the type */
1038
1039 /*
1040  * Small resource descriptor "names" as defined by the ACPI specification.
1041  * Note: Bits 2:0 are used for the descriptor length
1042  */
1043 #define ACPI_RESOURCE_NAME_IRQ                  0x20
1044 #define ACPI_RESOURCE_NAME_DMA                  0x28
1045 #define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
1046 #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
1047 #define ACPI_RESOURCE_NAME_IO                   0x40
1048 #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
1049 #define ACPI_RESOURCE_NAME_FIXED_DMA            0x50
1050 #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
1051 #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
1052 #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
1053 #define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
1054 #define ACPI_RESOURCE_NAME_END_TAG              0x78
1055
1056 /*
1057  * Large resource descriptor "names" as defined by the ACPI specification.
1058  * Note: includes the Large Descriptor bit in bit[7]
1059  */
1060 #define ACPI_RESOURCE_NAME_MEMORY24             0x81
1061 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
1062 #define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
1063 #define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
1064 #define ACPI_RESOURCE_NAME_MEMORY32             0x85
1065 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
1066 #define ACPI_RESOURCE_NAME_ADDRESS32            0x87
1067 #define ACPI_RESOURCE_NAME_ADDRESS16            0x88
1068 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
1069 #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
1070 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
1071 #define ACPI_RESOURCE_NAME_GPIO                 0x8C
1072 #define ACPI_RESOURCE_NAME_SERIAL_BUS           0x8E
1073 #define ACPI_RESOURCE_NAME_LARGE_MAX            0x8E
1074
1075 /*****************************************************************************
1076  *
1077  * Miscellaneous
1078  *
1079  ****************************************************************************/
1080
1081 #define ACPI_ASCII_ZERO                 0x30
1082
1083 /*****************************************************************************
1084  *
1085  * Disassembler
1086  *
1087  ****************************************************************************/
1088
1089 struct acpi_external_list {
1090         char *path;
1091         char *internal_path;
1092         struct acpi_external_list *next;
1093         u32 value;
1094         u16 length;
1095         u16 flags;
1096         u8 type;
1097 };
1098
1099 /* Values for Flags field above */
1100
1101 #define ACPI_EXT_RESOLVED_REFERENCE         0x01        /* Object was resolved during cross ref */
1102 #define ACPI_EXT_ORIGIN_FROM_FILE           0x02        /* External came from a file */
1103 #define ACPI_EXT_INTERNAL_PATH_ALLOCATED    0x04        /* Deallocate internal path on completion */
1104 #define ACPI_EXT_EXTERNAL_EMITTED           0x08        /* External() statement has been emitted */
1105 #define ACPI_EXT_ORIGIN_FROM_OPCODE         0x10        /* External came from a External() opcode */
1106
1107 struct acpi_external_file {
1108         char *path;
1109         struct acpi_external_file *next;
1110 };
1111
1112 /*****************************************************************************
1113  *
1114  * Debugger
1115  *
1116  ****************************************************************************/
1117
1118 struct acpi_db_method_info {
1119         acpi_handle method;
1120         acpi_handle main_thread_gate;
1121         acpi_handle thread_complete_gate;
1122         acpi_handle info_gate;
1123         acpi_thread_id *threads;
1124         u32 num_threads;
1125         u32 num_created;
1126         u32 num_completed;
1127
1128         char *name;
1129         u32 flags;
1130         u32 num_loops;
1131         char pathname[ACPI_DB_LINE_BUFFER_SIZE];
1132         char **args;
1133         acpi_object_type *types;
1134
1135         /*
1136          * Arguments to be passed to method for the command
1137          * Threads -
1138          *   the Number of threads, ID of current thread and
1139          *   Index of current thread inside all them created.
1140          */
1141         char init_args;
1142 #ifdef ACPI_DEBUGGER
1143         acpi_object_type arg_types[4];
1144 #endif
1145         char *arguments[4];
1146         char num_threads_str[11];
1147         char id_of_thread_str[11];
1148         char index_of_thread_str[11];
1149 };
1150
1151 struct acpi_integrity_info {
1152         u32 nodes;
1153         u32 objects;
1154 };
1155
1156 #define ACPI_DB_DISABLE_OUTPUT          0x00
1157 #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1158 #define ACPI_DB_CONSOLE_OUTPUT          0x02
1159 #define ACPI_DB_DUPLICATE_OUTPUT        0x03
1160
1161 struct acpi_object_info {
1162         u32 types[ACPI_TOTAL_TYPES];
1163 };
1164
1165 /*****************************************************************************
1166  *
1167  * Debug
1168  *
1169  ****************************************************************************/
1170
1171 /* Entry for a memory allocation (debug only) */
1172
1173 #define ACPI_MEM_MALLOC                 0
1174 #define ACPI_MEM_CALLOC                 1
1175 #define ACPI_MAX_MODULE_NAME            16
1176
1177 #define ACPI_COMMON_DEBUG_MEM_HEADER \
1178         struct acpi_debug_mem_block     *previous; \
1179         struct acpi_debug_mem_block     *next; \
1180         u32                             size; \
1181         u32                             component; \
1182         u32                             line; \
1183         char                            module[ACPI_MAX_MODULE_NAME]; \
1184         u8                              alloc_type;
1185
1186 struct acpi_debug_mem_header {
1187 ACPI_COMMON_DEBUG_MEM_HEADER};
1188
1189 struct acpi_debug_mem_block {
1190         ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1191 };
1192
1193 #define ACPI_MEM_LIST_GLOBAL            0
1194 #define ACPI_MEM_LIST_NSNODE            1
1195 #define ACPI_MEM_LIST_MAX               1
1196 #define ACPI_NUM_MEM_LISTS              2
1197
1198 /*****************************************************************************
1199  *
1200  * Info/help support
1201  *
1202  ****************************************************************************/
1203
1204 struct ah_predefined_name {
1205         char *name;
1206         char *description;
1207 #ifndef ACPI_ASL_COMPILER
1208         char *action;
1209 #endif
1210 };
1211
1212 struct ah_device_id {
1213         char *name;
1214         char *description;
1215 };
1216
1217 struct ah_uuid {
1218         char *description;
1219         char *string;
1220 };
1221
1222 struct ah_table {
1223         char *signature;
1224         char *description;
1225 };
1226
1227 #endif                          /* __ACLOCAL_H__ */