1 2 /****************************************************************************** 3 * 4 * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 5 * $Revision: 1.144 $ 6 * 7 *****************************************************************************/ 8 9 /****************************************************************************** 10 * 11 * 1. Copyright Notice 12 * 13 * Some or all of this work - Copyright (c) 1999 - 2008, Intel Corp. 14 * All rights reserved. 15 * 16 * 2. License 17 * 18 * 2.1. This is your license from Intel Corp. under its intellectual property 19 * rights. You may have additional license terms from the party that provided 20 * you this software, covering your right to use that party's intellectual 21 * property rights. 22 * 23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24 * copy of the source code appearing in this file ("Covered Code") an 25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26 * base code distributed originally by Intel ("Original Intel Code") to copy, 27 * make derivatives, distribute, use and display any portion of the Covered 28 * Code in any form, with the right to sublicense such rights; and 29 * 30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31 * license (with the right to sublicense), under only those claims of Intel 32 * patents that are infringed by the Original Intel Code, to make, use, sell, 33 * offer to sell, and import the Covered Code and derivative works thereof 34 * solely to the minimum extent necessary to exercise the above copyright 35 * license, and in no event shall the patent license extend to any additions 36 * to or modifications of the Original Intel Code. No other license or right 37 * is granted directly or by implication, estoppel or otherwise; 38 * 39 * The above copyright and patent license is granted only if the following 40 * conditions are met: 41 * 42 * 3. Conditions 43 * 44 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45 * Redistribution of source code of any substantial portion of the Covered 46 * Code or modification with rights to further distribute source must include 47 * the above Copyright Notice, the above License, this list of Conditions, 48 * and the following Disclaimer and Export Compliance provision. In addition, 49 * Licensee must cause all Covered Code to which Licensee contributes to 50 * contain a file documenting the changes Licensee made to create that Covered 51 * Code and the date of any change. Licensee must include in that file the 52 * documentation of any changes made by any predecessor Licensee. Licensee 53 * must include a prominent statement that the modification is derived, 54 * directly or indirectly, from Original Intel Code. 55 * 56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 57 * Redistribution of source code of any substantial portion of the Covered 58 * Code or modification without rights to further distribute source must 59 * include the following Disclaimer and Export Compliance provision in the 60 * documentation and/or other materials provided with distribution. In 61 * addition, Licensee may not authorize further sublicense of source of any 62 * portion of the Covered Code, and must include terms to the effect that the 63 * license from Licensee to its licensee is limited to the intellectual 64 * property embodied in the software Licensee provides to its licensee, and 65 * not to intellectual property embodied in modifications its licensee may 66 * make. 67 * 68 * 3.3. Redistribution of Executable. Redistribution in executable form of any 69 * substantial portion of the Covered Code or modification must reproduce the 70 * above Copyright Notice, and the following Disclaimer and Export Compliance 71 * provision in the documentation and/or other materials provided with the 72 * distribution. 73 * 74 * 3.4. Intel retains all right, title, and interest in and to the Original 75 * Intel Code. 76 * 77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 78 * Intel shall be used in advertising or otherwise to promote the sale, use or 79 * other dealings in products derived from or relating to the Covered Code 80 * without prior written authorization from Intel. 81 * 82 * 4. Disclaimer and Export Compliance 83 * 84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 90 * PARTICULAR PURPOSE. 91 * 92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 99 * LIMITED REMEDY. 100 * 101 * 4.3. Licensee shall not export, either directly or indirectly, any of this 102 * software or system incorporating such software without first obtaining any 103 * required license or other approval from the U. S. Department of Commerce or 104 * any other agency or department of the United States Government. In the 105 * event Licensee exports any such software from the United States or 106 * re-exports any such software from a foreign destination, Licensee shall 107 * ensure that the distribution and export/re-export of the software is in 108 * compliance with all laws, regulations, orders, or other restrictions of the 109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 110 * any of its subsidiaries will export/re-export any technical data, process, 111 * software, or service, directly or indirectly, to any country for which the 112 * United States government or any agency thereof requires an export license, 113 * other governmental approval, or letter of assurance, without first obtaining 114 * such license, approval or letter. 115 * 116 *****************************************************************************/ 117 118 #ifndef _ACOBJECT_H 119 #define _ACOBJECT_H 120 121 /* acpisrc:StructDefs -- for acpisrc conversion */ 122 123 124 /* 125 * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher 126 * to the interpreter, and to keep track of the various handlers such as 127 * address space handlers and notify handlers. The object is a constant 128 * size in order to allow it to be cached and reused. 129 * 130 * Note: The object is optimized to be aligned and will not work if it is 131 * byte-packed. 132 */ 133 #if ACPI_MACHINE_WIDTH == 64 134 #pragma pack(8) 135 #else 136 #pragma pack(4) 137 #endif 138 139 /******************************************************************************* 140 * 141 * Common Descriptors 142 * 143 ******************************************************************************/ 144 145 /* 146 * Common area for all objects. 147 * 148 * DescriptorType is used to differentiate between internal descriptors, and 149 * must be in the same place across all descriptors 150 * 151 * Note: The DescriptorType and Type fields must appear in the identical 152 * position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT 153 * structures. 154 */ 155 #define ACPI_OBJECT_COMMON_HEADER \ 156 union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\ 157 UINT8 DescriptorType; /* To differentiate various internal objs */\ 158 UINT8 Type; /* ACPI_OBJECT_TYPE */\ 159 UINT16 ReferenceCount; /* For object deletion management */\ 160 UINT8 Flags; 161 /* 162 * Note: There are 3 bytes available here before the 163 * next natural alignment boundary (for both 32/64 cases) 164 */ 165 166 /* Values for Flag byte above */ 167 168 #define AOPOBJ_AML_CONSTANT 0x01 169 #define AOPOBJ_STATIC_POINTER 0x02 170 #define AOPOBJ_DATA_VALID 0x04 171 #define AOPOBJ_OBJECT_INITIALIZED 0x08 172 #define AOPOBJ_SETUP_COMPLETE 0x10 173 #define AOPOBJ_SINGLE_DATUM 0x20 174 #define AOPOBJ_INVALID 0x40 /* Used if host OS won't allow an OpRegion address */ 175 176 177 /****************************************************************************** 178 * 179 * Basic data types 180 * 181 *****************************************************************************/ 182 183 typedef struct acpi_object_common 184 { 185 ACPI_OBJECT_COMMON_HEADER 186 187 } ACPI_OBJECT_COMMON; 188 189 190 typedef struct acpi_object_integer 191 { 192 ACPI_OBJECT_COMMON_HEADER 193 UINT8 Fill[3]; /* Prevent warning on some compilers */ 194 ACPI_INTEGER Value; 195 196 } ACPI_OBJECT_INTEGER; 197 198 199 /* 200 * Note: The String and Buffer object must be identical through the Pointer 201 * and length elements. There is code that depends on this. 202 * 203 * Fields common to both Strings and Buffers 204 */ 205 #define ACPI_COMMON_BUFFER_INFO(_Type) \ 206 _Type *Pointer; \ 207 UINT32 Length; 208 209 210 typedef struct acpi_object_string /* Null terminated, ASCII characters only */ 211 { 212 ACPI_OBJECT_COMMON_HEADER 213 ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */ 214 215 } ACPI_OBJECT_STRING; 216 217 218 typedef struct acpi_object_buffer 219 { 220 ACPI_OBJECT_COMMON_HEADER 221 ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */ 222 UINT32 AmlLength; 223 UINT8 *AmlStart; 224 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 225 226 } ACPI_OBJECT_BUFFER; 227 228 229 typedef struct acpi_object_package 230 { 231 ACPI_OBJECT_COMMON_HEADER 232 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 233 union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */ 234 UINT8 *AmlStart; 235 UINT32 AmlLength; 236 UINT32 Count; /* # of elements in package */ 237 238 } ACPI_OBJECT_PACKAGE; 239 240 241 /****************************************************************************** 242 * 243 * Complex data types 244 * 245 *****************************************************************************/ 246 247 typedef struct acpi_object_event 248 { 249 ACPI_OBJECT_COMMON_HEADER 250 ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */ 251 252 } ACPI_OBJECT_EVENT; 253 254 255 typedef struct acpi_object_mutex 256 { 257 ACPI_OBJECT_COMMON_HEADER 258 UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ 259 UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ 260 ACPI_MUTEX OsMutex; /* Actual OS synchronization object */ 261 ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */ 262 struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ 263 union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ 264 union acpi_operand_object *Next; /* Link for list of acquired mutexes */ 265 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 266 UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ 267 268 } ACPI_OBJECT_MUTEX; 269 270 271 typedef struct acpi_object_region 272 { 273 ACPI_OBJECT_COMMON_HEADER 274 UINT8 SpaceId; 275 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 276 union acpi_operand_object *Handler; /* Handler for region access */ 277 union acpi_operand_object *Next; 278 ACPI_PHYSICAL_ADDRESS Address; 279 UINT32 Length; 280 281 } ACPI_OBJECT_REGION; 282 283 284 typedef struct acpi_object_method 285 { 286 ACPI_OBJECT_COMMON_HEADER 287 UINT8 MethodFlags; 288 UINT8 ParamCount; 289 UINT8 SyncLevel; 290 union acpi_operand_object *Mutex; 291 UINT8 *AmlStart; 292 ACPI_INTERNAL_METHOD Implementation; 293 UINT32 AmlLength; 294 UINT8 ThreadCount; 295 ACPI_OWNER_ID OwnerId; 296 297 } ACPI_OBJECT_METHOD; 298 299 300 /****************************************************************************** 301 * 302 * Objects that can be notified. All share a common NotifyInfo area. 303 * 304 *****************************************************************************/ 305 306 /* 307 * Common fields for objects that support ASL notifications 308 */ 309 #define ACPI_COMMON_NOTIFY_INFO \ 310 union acpi_operand_object *SystemNotify; /* Handler for system notifies */\ 311 union acpi_operand_object *DeviceNotify; /* Handler for driver notifies */\ 312 union acpi_operand_object *Handler; /* Handler for Address space */ 313 314 315 typedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 316 { 317 ACPI_OBJECT_COMMON_HEADER 318 ACPI_COMMON_NOTIFY_INFO 319 320 } ACPI_OBJECT_NOTIFY_COMMON; 321 322 323 typedef struct acpi_object_device 324 { 325 ACPI_OBJECT_COMMON_HEADER 326 ACPI_COMMON_NOTIFY_INFO 327 ACPI_GPE_BLOCK_INFO *GpeBlock; 328 329 } ACPI_OBJECT_DEVICE; 330 331 332 typedef struct acpi_object_power_resource 333 { 334 ACPI_OBJECT_COMMON_HEADER 335 ACPI_COMMON_NOTIFY_INFO 336 UINT32 SystemLevel; 337 UINT32 ResourceOrder; 338 339 } ACPI_OBJECT_POWER_RESOURCE; 340 341 342 typedef struct acpi_object_processor 343 { 344 ACPI_OBJECT_COMMON_HEADER 345 346 /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */ 347 348 UINT8 ProcId; 349 UINT8 Length; 350 ACPI_COMMON_NOTIFY_INFO 351 ACPI_IO_ADDRESS Address; 352 353 } ACPI_OBJECT_PROCESSOR; 354 355 356 typedef struct acpi_object_thermal_zone 357 { 358 ACPI_OBJECT_COMMON_HEADER 359 ACPI_COMMON_NOTIFY_INFO 360 361 } ACPI_OBJECT_THERMAL_ZONE; 362 363 364 /****************************************************************************** 365 * 366 * Fields. All share a common header/info field. 367 * 368 *****************************************************************************/ 369 370 /* 371 * Common bitfield for the field objects 372 * "Field Datum" -- a datum from the actual field object 373 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field 374 */ 375 #define ACPI_COMMON_FIELD_INFO \ 376 UINT8 FieldFlags; /* Access, update, and lock bits */\ 377 UINT8 Attribute; /* From AccessAs keyword */\ 378 UINT8 AccessByteWidth; /* Read/Write size in bytes */\ 379 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\ 380 UINT32 BitLength; /* Length of field in bits */\ 381 UINT32 BaseByteOffset; /* Byte offset within containing object */\ 382 UINT32 Value; /* Value to store into the Bank or Index register */\ 383 UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ 384 UINT8 AccessBitWidth; /* Read/Write size in bits (8-64) */ 385 386 387 typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 388 { 389 ACPI_OBJECT_COMMON_HEADER 390 ACPI_COMMON_FIELD_INFO 391 union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */ 392 393 } ACPI_OBJECT_FIELD_COMMON; 394 395 396 typedef struct acpi_object_region_field 397 { 398 ACPI_OBJECT_COMMON_HEADER 399 ACPI_COMMON_FIELD_INFO 400 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 401 402 } ACPI_OBJECT_REGION_FIELD; 403 404 405 typedef struct acpi_object_bank_field 406 { 407 ACPI_OBJECT_COMMON_HEADER 408 ACPI_COMMON_FIELD_INFO 409 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 410 union acpi_operand_object *BankObj; /* BankSelect Register object */ 411 412 } ACPI_OBJECT_BANK_FIELD; 413 414 415 typedef struct acpi_object_index_field 416 { 417 ACPI_OBJECT_COMMON_HEADER 418 ACPI_COMMON_FIELD_INFO 419 420 /* 421 * No "RegionObj" pointer needed since the Index and Data registers 422 * are each field definitions unto themselves. 423 */ 424 union acpi_operand_object *IndexObj; /* Index register */ 425 union acpi_operand_object *DataObj; /* Data register */ 426 427 } ACPI_OBJECT_INDEX_FIELD; 428 429 430 /* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 431 432 typedef struct acpi_object_buffer_field 433 { 434 ACPI_OBJECT_COMMON_HEADER 435 ACPI_COMMON_FIELD_INFO 436 union acpi_operand_object *BufferObj; /* Containing Buffer object */ 437 438 } ACPI_OBJECT_BUFFER_FIELD; 439 440 441 /****************************************************************************** 442 * 443 * Objects for handlers 444 * 445 *****************************************************************************/ 446 447 typedef struct acpi_object_notify_handler 448 { 449 ACPI_OBJECT_COMMON_HEADER 450 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 451 ACPI_NOTIFY_HANDLER Handler; 452 void *Context; 453 454 } ACPI_OBJECT_NOTIFY_HANDLER; 455 456 457 typedef struct acpi_object_addr_handler 458 { 459 ACPI_OBJECT_COMMON_HEADER 460 UINT8 SpaceId; 461 UINT8 HandlerFlags; 462 ACPI_ADR_SPACE_HANDLER Handler; 463 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 464 void *Context; 465 ACPI_ADR_SPACE_SETUP Setup; 466 union acpi_operand_object *RegionList; /* regions using this handler */ 467 union acpi_operand_object *Next; 468 469 } ACPI_OBJECT_ADDR_HANDLER; 470 471 /* Flags for address handler (HandlerFlags) */ 472 473 #define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01 474 475 476 /****************************************************************************** 477 * 478 * Special internal objects 479 * 480 *****************************************************************************/ 481 482 /* 483 * The Reference object is used for these opcodes: 484 * Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp 485 * The Reference.Class differentiates these types. 486 */ 487 typedef struct acpi_object_reference 488 { 489 ACPI_OBJECT_COMMON_HEADER 490 UINT8 Class; /* Reference Class */ 491 UINT8 TargetType; /* Used for Index Op */ 492 UINT8 Reserved; 493 void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 494 ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */ 495 union acpi_operand_object **Where; /* Target of Index */ 496 UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */ 497 498 } ACPI_OBJECT_REFERENCE; 499 500 /* Values for Reference.Class above */ 501 502 typedef enum 503 { 504 ACPI_REFCLASS_LOCAL = 0, /* Method local */ 505 ACPI_REFCLASS_ARG = 1, /* Method argument */ 506 ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */ 507 ACPI_REFCLASS_INDEX = 3, /* Result of Index() */ 508 ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */ 509 ACPI_REFCLASS_NAME = 5, /* Reference to a named object */ 510 ACPI_REFCLASS_DEBUG = 6, /* Debug object */ 511 512 ACPI_REFCLASS_MAX = 6 513 514 } ACPI_REFERENCE_CLASSES; 515 516 517 /* 518 * Extra object is used as additional storage for types that 519 * have AML code in their declarations (TermArgs) that must be 520 * evaluated at run time. 521 * 522 * Currently: Region and FieldUnit types 523 */ 524 typedef struct acpi_object_extra 525 { 526 ACPI_OBJECT_COMMON_HEADER 527 ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 528 void *RegionContext; /* Region-specific data */ 529 UINT8 *AmlStart; 530 UINT32 AmlLength; 531 532 } ACPI_OBJECT_EXTRA; 533 534 535 /* Additional data that can be attached to namespace nodes */ 536 537 typedef struct acpi_object_data 538 { 539 ACPI_OBJECT_COMMON_HEADER 540 ACPI_OBJECT_HANDLER Handler; 541 void *Pointer; 542 543 } ACPI_OBJECT_DATA; 544 545 546 /* Structure used when objects are cached for reuse */ 547 548 typedef struct acpi_object_cache_list 549 { 550 ACPI_OBJECT_COMMON_HEADER 551 union acpi_operand_object *Next; /* Link for object cache and internal lists*/ 552 553 } ACPI_OBJECT_CACHE_LIST; 554 555 556 /****************************************************************************** 557 * 558 * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 559 * 560 *****************************************************************************/ 561 562 typedef union acpi_operand_object 563 { 564 ACPI_OBJECT_COMMON Common; 565 ACPI_OBJECT_INTEGER Integer; 566 ACPI_OBJECT_STRING String; 567 ACPI_OBJECT_BUFFER Buffer; 568 ACPI_OBJECT_PACKAGE Package; 569 ACPI_OBJECT_EVENT Event; 570 ACPI_OBJECT_METHOD Method; 571 ACPI_OBJECT_MUTEX Mutex; 572 ACPI_OBJECT_REGION Region; 573 ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 574 ACPI_OBJECT_DEVICE Device; 575 ACPI_OBJECT_POWER_RESOURCE PowerResource; 576 ACPI_OBJECT_PROCESSOR Processor; 577 ACPI_OBJECT_THERMAL_ZONE ThermalZone; 578 ACPI_OBJECT_FIELD_COMMON CommonField; 579 ACPI_OBJECT_REGION_FIELD Field; 580 ACPI_OBJECT_BUFFER_FIELD BufferField; 581 ACPI_OBJECT_BANK_FIELD BankField; 582 ACPI_OBJECT_INDEX_FIELD IndexField; 583 ACPI_OBJECT_NOTIFY_HANDLER Notify; 584 ACPI_OBJECT_ADDR_HANDLER AddressSpace; 585 ACPI_OBJECT_REFERENCE Reference; 586 ACPI_OBJECT_EXTRA Extra; 587 ACPI_OBJECT_DATA Data; 588 ACPI_OBJECT_CACHE_LIST Cache; 589 590 /* 591 * Add namespace node to union in order to simplify code that accepts both 592 * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share 593 * a common DescriptorType field in order to differentiate them. 594 */ 595 ACPI_NAMESPACE_NODE Node; 596 597 } ACPI_OPERAND_OBJECT; 598 599 600 /****************************************************************************** 601 * 602 * ACPI_DESCRIPTOR - objects that share a common descriptor identifier 603 * 604 *****************************************************************************/ 605 606 /* Object descriptor types */ 607 608 #define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ 609 #define ACPI_DESC_TYPE_STATE 0x02 610 #define ACPI_DESC_TYPE_STATE_UPDATE 0x03 611 #define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 612 #define ACPI_DESC_TYPE_STATE_CONTROL 0x05 613 #define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 614 #define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 615 #define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 616 #define ACPI_DESC_TYPE_STATE_RESULT 0x09 617 #define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A 618 #define ACPI_DESC_TYPE_STATE_THREAD 0x0B 619 #define ACPI_DESC_TYPE_WALK 0x0C 620 #define ACPI_DESC_TYPE_PARSER 0x0D 621 #define ACPI_DESC_TYPE_OPERAND 0x0E 622 #define ACPI_DESC_TYPE_NAMED 0x0F 623 #define ACPI_DESC_TYPE_MAX 0x0F 624 625 626 typedef struct acpi_common_descriptor 627 { 628 void *CommonPointer; 629 UINT8 DescriptorType; /* To differentiate various internal objs */ 630 631 } ACPI_COMMON_DESCRIPTOR; 632 633 typedef union acpi_descriptor 634 { 635 ACPI_COMMON_DESCRIPTOR Common; 636 ACPI_OPERAND_OBJECT Object; 637 ACPI_NAMESPACE_NODE Node; 638 ACPI_PARSE_OBJECT Op; 639 640 } ACPI_DESCRIPTOR; 641 642 #pragma pack() 643 644 #endif /* _ACOBJECT_H */ 645