1/****************************************************************************** 2 * 3 * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 4 * 5 *****************************************************************************/ 6 7/****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2016, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116#ifndef _ACOBJECT_H 117#define _ACOBJECT_H 118 119/* acpisrc:StructDefs -- for acpisrc conversion */ 120 121 122/* 123 * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher 124 * to the interpreter, and to keep track of the various handlers such as 125 * address space handlers and notify handlers. The object is a constant 126 * size in order to allow it to be cached and reused. 127 * 128 * Note: The object is optimized to be aligned and will not work if it is 129 * byte-packed. 130 */ 131#if ACPI_MACHINE_WIDTH == 64 132#pragma pack(8) 133#else 134#pragma pack(4) 135#endif 136 137/******************************************************************************* 138 * 139 * Common Descriptors 140 * 141 ******************************************************************************/ 142 143/* 144 * Common area for all objects. 145 * 146 * DescriptorType is used to differentiate between internal descriptors, and 147 * must be in the same place across all descriptors 148 * 149 * Note: The DescriptorType and Type fields must appear in the identical 150 * position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT 151 * structures. 152 */ 153#define ACPI_OBJECT_COMMON_HEADER \ 154 union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\ 155 UINT8 DescriptorType; /* To differentiate various internal objs */\ 156 UINT8 Type; /* ACPI_OBJECT_TYPE */\ 157 UINT16 ReferenceCount; /* For object deletion management */\ 158 UINT8 Flags; 159 /* 160 * Note: There are 3 bytes available here before the 161 * next natural alignment boundary (for both 32/64 cases) 162 */ 163 164/* Values for Flag byte above */ 165 166#define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */ 167#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */ 168#define AOPOBJ_DATA_VALID 0x04 /* Object is initialized and data is valid */ 169#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized */ 170#define AOPOBJ_REG_CONNECTED 0x10 /* _REG was run */ 171#define AOPOBJ_SETUP_COMPLETE 0x20 /* Region setup is complete */ 172#define AOPOBJ_INVALID 0x40 /* Host OS won't allow a Region address */ 173 174 175/****************************************************************************** 176 * 177 * Basic data types 178 * 179 *****************************************************************************/ 180 181typedef struct acpi_object_common 182{ 183 ACPI_OBJECT_COMMON_HEADER 184 185} ACPI_OBJECT_COMMON; 186 187 188typedef struct acpi_object_integer 189{ 190 ACPI_OBJECT_COMMON_HEADER 191 UINT8 Fill[3]; /* Prevent warning on some compilers */ 192 UINT64 Value; 193 194} ACPI_OBJECT_INTEGER; 195 196 197/* 198 * Note: The String and Buffer object must be identical through the 199 * pointer and length elements. There is code that depends on this. 200 * 201 * Fields common to both Strings and Buffers 202 */ 203#define ACPI_COMMON_BUFFER_INFO(_Type) \ 204 _Type *Pointer; \ 205 UINT32 Length; 206 207 208typedef struct acpi_object_string /* Null terminated, ASCII characters only */ 209{ 210 ACPI_OBJECT_COMMON_HEADER 211 ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */ 212 213} ACPI_OBJECT_STRING; 214 215 216typedef struct acpi_object_buffer 217{ 218 ACPI_OBJECT_COMMON_HEADER 219 ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */ 220 UINT32 AmlLength; 221 UINT8 *AmlStart; 222 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 223 224} ACPI_OBJECT_BUFFER; 225 226 227typedef struct acpi_object_package 228{ 229 ACPI_OBJECT_COMMON_HEADER 230 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 231 union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */ 232 UINT8 *AmlStart; 233 UINT32 AmlLength; 234 UINT32 Count; /* # of elements in package */ 235 236} ACPI_OBJECT_PACKAGE; 237 238 239/****************************************************************************** 240 * 241 * Complex data types 242 * 243 *****************************************************************************/ 244 245typedef struct acpi_object_event 246{ 247 ACPI_OBJECT_COMMON_HEADER 248 ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */ 249 250} ACPI_OBJECT_EVENT; 251 252 253typedef struct acpi_object_mutex 254{ 255 ACPI_OBJECT_COMMON_HEADER 256 UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ 257 UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ 258 ACPI_MUTEX OsMutex; /* Actual OS synchronization object */ 259 ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */ 260 struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ 261 union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ 262 union acpi_operand_object *Next; /* Link for list of acquired mutexes */ 263 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 264 UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ 265 266} ACPI_OBJECT_MUTEX; 267 268 269typedef struct acpi_object_region 270{ 271 ACPI_OBJECT_COMMON_HEADER 272 UINT8 SpaceId; 273 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 274 union acpi_operand_object *Handler; /* Handler for region access */ 275 union acpi_operand_object *Next; 276 ACPI_PHYSICAL_ADDRESS Address; 277 UINT32 Length; 278 279} ACPI_OBJECT_REGION; 280 281 282typedef struct acpi_object_method 283{ 284 ACPI_OBJECT_COMMON_HEADER 285 UINT8 InfoFlags; 286 UINT8 ParamCount; 287 UINT8 SyncLevel; 288 union acpi_operand_object *Mutex; 289 union acpi_operand_object *Node; 290 UINT8 *AmlStart; 291 union 292 { 293 ACPI_INTERNAL_METHOD Implementation; 294 union acpi_operand_object *Handler; 295 } Dispatch; 296 297 UINT32 AmlLength; 298 UINT8 ThreadCount; 299 ACPI_OWNER_ID OwnerId; 300 301} ACPI_OBJECT_METHOD; 302 303/* Flags for InfoFlags field above */ 304 305#define ACPI_METHOD_MODULE_LEVEL 0x01 /* Method is actually module-level code */ 306#define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */ 307#define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */ 308#define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */ 309#define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */ 310#define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */ 311 312 313/****************************************************************************** 314 * 315 * Objects that can be notified. All share a common NotifyInfo area. 316 * 317 *****************************************************************************/ 318 319/* 320 * Common fields for objects that support ASL notifications 321 */ 322#define ACPI_COMMON_NOTIFY_INFO \ 323 union acpi_operand_object *NotifyList[2]; /* Handlers for system/device notifies */\ 324 union acpi_operand_object *Handler; /* Handler for Address space */ 325 326 327typedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 328{ 329 ACPI_OBJECT_COMMON_HEADER 330 ACPI_COMMON_NOTIFY_INFO 331 332} ACPI_OBJECT_NOTIFY_COMMON; 333 334 335typedef struct acpi_object_device 336{ 337 ACPI_OBJECT_COMMON_HEADER 338 ACPI_COMMON_NOTIFY_INFO 339 ACPI_GPE_BLOCK_INFO *GpeBlock; 340 341} ACPI_OBJECT_DEVICE; 342 343 344typedef struct acpi_object_power_resource 345{ 346 ACPI_OBJECT_COMMON_HEADER 347 ACPI_COMMON_NOTIFY_INFO 348 UINT32 SystemLevel; 349 UINT32 ResourceOrder; 350 351} ACPI_OBJECT_POWER_RESOURCE; 352 353 354typedef struct acpi_object_processor 355{ 356 ACPI_OBJECT_COMMON_HEADER 357 358 /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */ 359 360 UINT8 ProcId; 361 UINT8 Length; 362 ACPI_COMMON_NOTIFY_INFO 363 ACPI_IO_ADDRESS Address; 364 365} ACPI_OBJECT_PROCESSOR; 366 367 368typedef struct acpi_object_thermal_zone 369{ 370 ACPI_OBJECT_COMMON_HEADER 371 ACPI_COMMON_NOTIFY_INFO 372 373} ACPI_OBJECT_THERMAL_ZONE; 374 375 376/****************************************************************************** 377 * 378 * Fields. All share a common header/info field. 379 * 380 *****************************************************************************/ 381 382/* 383 * Common bitfield for the field objects 384 * "Field Datum" -- a datum from the actual field object 385 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field 386 */ 387#define ACPI_COMMON_FIELD_INFO \ 388 UINT8 FieldFlags; /* Access, update, and lock bits */\ 389 UINT8 Attribute; /* From AccessAs keyword */\ 390 UINT8 AccessByteWidth; /* Read/Write size in bytes */\ 391 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\ 392 UINT32 BitLength; /* Length of field in bits */\ 393 UINT32 BaseByteOffset; /* Byte offset within containing object */\ 394 UINT32 Value; /* Value to store into the Bank or Index register */\ 395 UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ 396 UINT8 AccessLength; /* For serial regions/fields */ 397 398 399typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 400{ 401 ACPI_OBJECT_COMMON_HEADER 402 ACPI_COMMON_FIELD_INFO 403 union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */ 404 405} ACPI_OBJECT_FIELD_COMMON; 406 407 408typedef struct acpi_object_region_field 409{ 410 ACPI_OBJECT_COMMON_HEADER 411 ACPI_COMMON_FIELD_INFO 412 UINT16 ResourceLength; 413 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 414 UINT8 *ResourceBuffer; /* ResourceTemplate for serial regions/fields */ 415 UINT16 PinNumberIndex; /* Index relative to previous Connection/Template */ 416 417} ACPI_OBJECT_REGION_FIELD; 418 419 420typedef struct acpi_object_bank_field 421{ 422 ACPI_OBJECT_COMMON_HEADER 423 ACPI_COMMON_FIELD_INFO 424 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 425 union acpi_operand_object *BankObj; /* BankSelect Register object */ 426 427} ACPI_OBJECT_BANK_FIELD; 428 429 430typedef struct acpi_object_index_field 431{ 432 ACPI_OBJECT_COMMON_HEADER 433 ACPI_COMMON_FIELD_INFO 434 435 /* 436 * No "RegionObj" pointer needed since the Index and Data registers 437 * are each field definitions unto themselves. 438 */ 439 union acpi_operand_object *IndexObj; /* Index register */ 440 union acpi_operand_object *DataObj; /* Data register */ 441 442} ACPI_OBJECT_INDEX_FIELD; 443 444 445/* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 446 447typedef struct acpi_object_buffer_field 448{ 449 ACPI_OBJECT_COMMON_HEADER 450 ACPI_COMMON_FIELD_INFO 451 union acpi_operand_object *BufferObj; /* Containing Buffer object */ 452 453} ACPI_OBJECT_BUFFER_FIELD; 454 455 456/****************************************************************************** 457 * 458 * Objects for handlers 459 * 460 *****************************************************************************/ 461 462typedef struct acpi_object_notify_handler 463{ 464 ACPI_OBJECT_COMMON_HEADER 465 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 466 UINT32 HandlerType; /* Type: Device/System/Both */ 467 ACPI_NOTIFY_HANDLER Handler; /* Handler address */ 468 void *Context; 469 union acpi_operand_object *Next[2]; /* Device and System handler lists */ 470 471} ACPI_OBJECT_NOTIFY_HANDLER; 472 473 474typedef struct acpi_object_addr_handler 475{ 476 ACPI_OBJECT_COMMON_HEADER 477 UINT8 SpaceId; 478 UINT8 HandlerFlags; 479 ACPI_ADR_SPACE_HANDLER Handler; 480 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 481 void *Context; 482 ACPI_ADR_SPACE_SETUP Setup; 483 union acpi_operand_object *RegionList; /* Regions using this handler */ 484 union acpi_operand_object *Next; 485 486} ACPI_OBJECT_ADDR_HANDLER; 487 488/* Flags for address handler (HandlerFlags) */ 489 490#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01 491 492 493/****************************************************************************** 494 * 495 * Special internal objects 496 * 497 *****************************************************************************/ 498 499/* 500 * The Reference object is used for these opcodes: 501 * Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp 502 * The Reference.Class differentiates these types. 503 */ 504typedef struct acpi_object_reference 505{ 506 ACPI_OBJECT_COMMON_HEADER 507 UINT8 Class; /* Reference Class */ 508 UINT8 TargetType; /* Used for Index Op */ 509 UINT8 Reserved; 510 void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 511 ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */ 512 union acpi_operand_object **Where; /* Target of Index */ 513 UINT8 *IndexPointer; /* Used for Buffers and Strings */ 514 UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */ 515 516} ACPI_OBJECT_REFERENCE; 517 518/* Values for Reference.Class above */ 519 520typedef enum 521{ 522 ACPI_REFCLASS_LOCAL = 0, /* Method local */ 523 ACPI_REFCLASS_ARG = 1, /* Method argument */ 524 ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */ 525 ACPI_REFCLASS_INDEX = 3, /* Result of Index() */ 526 ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */ 527 ACPI_REFCLASS_NAME = 5, /* Reference to a named object */ 528 ACPI_REFCLASS_DEBUG = 6, /* Debug object */ 529 530 ACPI_REFCLASS_MAX = 6 531 532} ACPI_REFERENCE_CLASSES; 533 534 535/* 536 * Extra object is used as additional storage for types that 537 * have AML code in their declarations (TermArgs) that must be 538 * evaluated at run time. 539 * 540 * Currently: Region and FieldUnit types 541 */ 542typedef struct acpi_object_extra 543{ 544 ACPI_OBJECT_COMMON_HEADER 545 ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 546 ACPI_NAMESPACE_NODE *ScopeNode; 547 void *RegionContext; /* Region-specific data */ 548 UINT8 *AmlStart; 549 UINT32 AmlLength; 550 551} ACPI_OBJECT_EXTRA; 552 553 554/* Additional data that can be attached to namespace nodes */ 555 556typedef struct acpi_object_data 557{ 558 ACPI_OBJECT_COMMON_HEADER 559 ACPI_OBJECT_HANDLER Handler; 560 void *Pointer; 561 562} ACPI_OBJECT_DATA; 563 564 565/* Structure used when objects are cached for reuse */ 566 567typedef struct acpi_object_cache_list 568{ 569 ACPI_OBJECT_COMMON_HEADER 570 union acpi_operand_object *Next; /* Link for object cache and internal lists*/ 571 572} ACPI_OBJECT_CACHE_LIST; 573 574 575/****************************************************************************** 576 * 577 * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 578 * 579 *****************************************************************************/ 580 581typedef union acpi_operand_object 582{ 583 ACPI_OBJECT_COMMON Common; 584 ACPI_OBJECT_INTEGER Integer; 585 ACPI_OBJECT_STRING String; 586 ACPI_OBJECT_BUFFER Buffer; 587 ACPI_OBJECT_PACKAGE Package; 588 ACPI_OBJECT_EVENT Event; 589 ACPI_OBJECT_METHOD Method; 590 ACPI_OBJECT_MUTEX Mutex; 591 ACPI_OBJECT_REGION Region; 592 ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 593 ACPI_OBJECT_DEVICE Device; 594 ACPI_OBJECT_POWER_RESOURCE PowerResource; 595 ACPI_OBJECT_PROCESSOR Processor; 596 ACPI_OBJECT_THERMAL_ZONE ThermalZone; 597 ACPI_OBJECT_FIELD_COMMON CommonField; 598 ACPI_OBJECT_REGION_FIELD Field; 599 ACPI_OBJECT_BUFFER_FIELD BufferField; 600 ACPI_OBJECT_BANK_FIELD BankField; 601 ACPI_OBJECT_INDEX_FIELD IndexField; 602 ACPI_OBJECT_NOTIFY_HANDLER Notify; 603 ACPI_OBJECT_ADDR_HANDLER AddressSpace; 604 ACPI_OBJECT_REFERENCE Reference; 605 ACPI_OBJECT_EXTRA Extra; 606 ACPI_OBJECT_DATA Data; 607 ACPI_OBJECT_CACHE_LIST Cache; 608 609 /* 610 * Add namespace node to union in order to simplify code that accepts both 611 * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share 612 * a common DescriptorType field in order to differentiate them. 613 */ 614 ACPI_NAMESPACE_NODE Node; 615 616} ACPI_OPERAND_OBJECT; 617 618 619/****************************************************************************** 620 * 621 * ACPI_DESCRIPTOR - objects that share a common descriptor identifier 622 * 623 *****************************************************************************/ 624 625/* Object descriptor types */ 626 627#define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ 628#define ACPI_DESC_TYPE_STATE 0x02 629#define ACPI_DESC_TYPE_STATE_UPDATE 0x03 630#define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 631#define ACPI_DESC_TYPE_STATE_CONTROL 0x05 632#define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 633#define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 634#define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 635#define ACPI_DESC_TYPE_STATE_RESULT 0x09 636#define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A 637#define ACPI_DESC_TYPE_STATE_THREAD 0x0B 638#define ACPI_DESC_TYPE_WALK 0x0C 639#define ACPI_DESC_TYPE_PARSER 0x0D 640#define ACPI_DESC_TYPE_OPERAND 0x0E 641#define ACPI_DESC_TYPE_NAMED 0x0F 642#define ACPI_DESC_TYPE_MAX 0x0F 643 644 645typedef struct acpi_common_descriptor 646{ 647 void *CommonPointer; 648 UINT8 DescriptorType; /* To differentiate various internal objs */ 649 650} ACPI_COMMON_DESCRIPTOR; 651 652typedef union acpi_descriptor 653{ 654 ACPI_COMMON_DESCRIPTOR Common; 655 ACPI_OPERAND_OBJECT Object; 656 ACPI_NAMESPACE_NODE Node; 657 ACPI_PARSE_OBJECT Op; 658 659} ACPI_DESCRIPTOR; 660 661#pragma pack() 662 663#endif /* _ACOBJECT_H */ 664