1 2 /****************************************************************************** 3 * 4 * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 5 * 6 *****************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 #ifndef _ACOBJECT_H 118 #define _ACOBJECT_H 119 120 /* acpisrc:StructDefs -- for acpisrc conversion */ 121 122 123 /* 124 * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher 125 * to the interpreter, and to keep track of the various handlers such as 126 * address space handlers and notify handlers. The object is a constant 127 * size in order to allow it to be cached and reused. 128 * 129 * Note: The object is optimized to be aligned and will not work if it is 130 * byte-packed. 131 */ 132 #if ACPI_MACHINE_WIDTH == 64 133 #pragma pack(8) 134 #else 135 #pragma pack(4) 136 #endif 137 138 /******************************************************************************* 139 * 140 * Common Descriptors 141 * 142 ******************************************************************************/ 143 144 /* 145 * Common area for all objects. 146 * 147 * DescriptorType is used to differentiate between internal descriptors, and 148 * must be in the same place across all descriptors 149 * 150 * Note: The DescriptorType and Type fields must appear in the identical 151 * position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT 152 * structures. 153 */ 154 #define ACPI_OBJECT_COMMON_HEADER \ 155 union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\ 156 UINT8 DescriptorType; /* To differentiate various internal objs */\ 157 UINT8 Type; /* ACPI_OBJECT_TYPE */\ 158 UINT16 ReferenceCount; /* For object deletion management */\ 159 UINT8 Flags; 160 /* 161 * Note: There are 3 bytes available here before the 162 * next natural alignment boundary (for both 32/64 cases) 163 */ 164 165 /* Values for Flag byte above */ 166 167 #define AOPOBJ_AML_CONSTANT 0x01 168 #define AOPOBJ_STATIC_POINTER 0x02 169 #define AOPOBJ_DATA_VALID 0x04 170 #define AOPOBJ_OBJECT_INITIALIZED 0x08 171 #define AOPOBJ_SETUP_COMPLETE 0x10 172 #define AOPOBJ_SINGLE_DATUM 0x20 173 #define AOPOBJ_MODULE_LEVEL 0x40 174 175 176 /****************************************************************************** 177 * 178 * Basic data types 179 * 180 *****************************************************************************/ 181 182 typedef struct acpi_object_common 183 { 184 ACPI_OBJECT_COMMON_HEADER 185 186 } ACPI_OBJECT_COMMON; 187 188 189 typedef struct acpi_object_integer 190 { 191 ACPI_OBJECT_COMMON_HEADER 192 UINT8 Fill[3]; /* Prevent warning on some compilers */ 193 ACPI_INTEGER Value; 194 195 } ACPI_OBJECT_INTEGER; 196 197 198 /* 199 * Note: The String and Buffer object must be identical through the Pointer 200 * and length elements. There is code that depends on this. 201 * 202 * Fields common to both Strings and Buffers 203 */ 204 #define ACPI_COMMON_BUFFER_INFO(_Type) \ 205 _Type *Pointer; \ 206 UINT32 Length; 207 208 209 typedef struct acpi_object_string /* Null terminated, ASCII characters only */ 210 { 211 ACPI_OBJECT_COMMON_HEADER 212 ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */ 213 214 } ACPI_OBJECT_STRING; 215 216 217 typedef struct acpi_object_buffer 218 { 219 ACPI_OBJECT_COMMON_HEADER 220 ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */ 221 UINT32 AmlLength; 222 UINT8 *AmlStart; 223 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 224 225 } ACPI_OBJECT_BUFFER; 226 227 228 typedef struct acpi_object_package 229 { 230 ACPI_OBJECT_COMMON_HEADER 231 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 232 union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */ 233 UINT8 *AmlStart; 234 UINT32 AmlLength; 235 UINT32 Count; /* # of elements in package */ 236 237 } ACPI_OBJECT_PACKAGE; 238 239 240 /****************************************************************************** 241 * 242 * Complex data types 243 * 244 *****************************************************************************/ 245 246 typedef struct acpi_object_event 247 { 248 ACPI_OBJECT_COMMON_HEADER 249 ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */ 250 251 } ACPI_OBJECT_EVENT; 252 253 254 typedef struct acpi_object_mutex 255 { 256 ACPI_OBJECT_COMMON_HEADER 257 UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ 258 UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ 259 ACPI_MUTEX OsMutex; /* Actual OS synchronization object */ 260 ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */ 261 struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ 262 union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ 263 union acpi_operand_object *Next; /* Link for list of acquired mutexes */ 264 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 265 UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ 266 267 } ACPI_OBJECT_MUTEX; 268 269 270 typedef struct acpi_object_region 271 { 272 ACPI_OBJECT_COMMON_HEADER 273 UINT8 SpaceId; 274 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 275 union acpi_operand_object *Handler; /* Handler for region access */ 276 union acpi_operand_object *Next; 277 ACPI_PHYSICAL_ADDRESS Address; 278 UINT32 Length; 279 280 } ACPI_OBJECT_REGION; 281 282 283 typedef struct acpi_object_method 284 { 285 ACPI_OBJECT_COMMON_HEADER 286 UINT8 MethodFlags; 287 UINT8 ParamCount; 288 UINT8 SyncLevel; 289 union acpi_operand_object *Mutex; 290 UINT8 *AmlStart; 291 ACPI_INTERNAL_METHOD Implementation; 292 UINT32 AmlLength; 293 UINT8 ThreadCount; 294 ACPI_OWNER_ID OwnerId; 295 296 } ACPI_OBJECT_METHOD; 297 298 299 /****************************************************************************** 300 * 301 * Objects that can be notified. All share a common NotifyInfo area. 302 * 303 *****************************************************************************/ 304 305 /* 306 * Common fields for objects that support ASL notifications 307 */ 308 #define ACPI_COMMON_NOTIFY_INFO \ 309 union acpi_operand_object *SystemNotify; /* Handler for system notifies */\ 310 union acpi_operand_object *DeviceNotify; /* Handler for driver notifies */\ 311 union acpi_operand_object *Handler; /* Handler for Address space */ 312 313 314 typedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 315 { 316 ACPI_OBJECT_COMMON_HEADER 317 ACPI_COMMON_NOTIFY_INFO 318 319 } ACPI_OBJECT_NOTIFY_COMMON; 320 321 322 typedef struct acpi_object_device 323 { 324 ACPI_OBJECT_COMMON_HEADER 325 ACPI_COMMON_NOTIFY_INFO 326 ACPI_GPE_BLOCK_INFO *GpeBlock; 327 328 } ACPI_OBJECT_DEVICE; 329 330 331 typedef struct acpi_object_power_resource 332 { 333 ACPI_OBJECT_COMMON_HEADER 334 ACPI_COMMON_NOTIFY_INFO 335 UINT32 SystemLevel; 336 UINT32 ResourceOrder; 337 338 } ACPI_OBJECT_POWER_RESOURCE; 339 340 341 typedef struct acpi_object_processor 342 { 343 ACPI_OBJECT_COMMON_HEADER 344 345 /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */ 346 347 UINT8 ProcId; 348 UINT8 Length; 349 ACPI_COMMON_NOTIFY_INFO 350 ACPI_IO_ADDRESS Address; 351 352 } ACPI_OBJECT_PROCESSOR; 353 354 355 typedef struct acpi_object_thermal_zone 356 { 357 ACPI_OBJECT_COMMON_HEADER 358 ACPI_COMMON_NOTIFY_INFO 359 360 } ACPI_OBJECT_THERMAL_ZONE; 361 362 363 /****************************************************************************** 364 * 365 * Fields. All share a common header/info field. 366 * 367 *****************************************************************************/ 368 369 /* 370 * Common bitfield for the field objects 371 * "Field Datum" -- a datum from the actual field object 372 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field 373 */ 374 #define ACPI_COMMON_FIELD_INFO \ 375 UINT8 FieldFlags; /* Access, update, and lock bits */\ 376 UINT8 Attribute; /* From AccessAs keyword */\ 377 UINT8 AccessByteWidth; /* Read/Write size in bytes */\ 378 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\ 379 UINT32 BitLength; /* Length of field in bits */\ 380 UINT32 BaseByteOffset; /* Byte offset within containing object */\ 381 UINT32 Value; /* Value to store into the Bank or Index register */\ 382 UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ 383 UINT8 AccessBitWidth; /* Read/Write size in bits (8-64) */ 384 385 386 typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 387 { 388 ACPI_OBJECT_COMMON_HEADER 389 ACPI_COMMON_FIELD_INFO 390 union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */ 391 392 } ACPI_OBJECT_FIELD_COMMON; 393 394 395 typedef struct acpi_object_region_field 396 { 397 ACPI_OBJECT_COMMON_HEADER 398 ACPI_COMMON_FIELD_INFO 399 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 400 401 } ACPI_OBJECT_REGION_FIELD; 402 403 404 typedef struct acpi_object_bank_field 405 { 406 ACPI_OBJECT_COMMON_HEADER 407 ACPI_COMMON_FIELD_INFO 408 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 409 union acpi_operand_object *BankObj; /* BankSelect Register object */ 410 411 } ACPI_OBJECT_BANK_FIELD; 412 413 414 typedef struct acpi_object_index_field 415 { 416 ACPI_OBJECT_COMMON_HEADER 417 ACPI_COMMON_FIELD_INFO 418 419 /* 420 * No "RegionObj" pointer needed since the Index and Data registers 421 * are each field definitions unto themselves. 422 */ 423 union acpi_operand_object *IndexObj; /* Index register */ 424 union acpi_operand_object *DataObj; /* Data register */ 425 426 } ACPI_OBJECT_INDEX_FIELD; 427 428 429 /* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 430 431 typedef struct acpi_object_buffer_field 432 { 433 ACPI_OBJECT_COMMON_HEADER 434 ACPI_COMMON_FIELD_INFO 435 union acpi_operand_object *BufferObj; /* Containing Buffer object */ 436 437 } ACPI_OBJECT_BUFFER_FIELD; 438 439 440 /****************************************************************************** 441 * 442 * Objects for handlers 443 * 444 *****************************************************************************/ 445 446 typedef struct acpi_object_notify_handler 447 { 448 ACPI_OBJECT_COMMON_HEADER 449 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 450 ACPI_NOTIFY_HANDLER Handler; 451 void *Context; 452 453 } ACPI_OBJECT_NOTIFY_HANDLER; 454 455 456 typedef struct acpi_object_addr_handler 457 { 458 ACPI_OBJECT_COMMON_HEADER 459 UINT8 SpaceId; 460 UINT8 HandlerFlags; 461 ACPI_ADR_SPACE_HANDLER Handler; 462 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 463 void *Context; 464 ACPI_ADR_SPACE_SETUP Setup; 465 union acpi_operand_object *RegionList; /* regions using this handler */ 466 union acpi_operand_object *Next; 467 468 } ACPI_OBJECT_ADDR_HANDLER; 469 470 /* Flags for address handler (HandlerFlags) */ 471 472 #define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01 473 474 475 /****************************************************************************** 476 * 477 * Special internal objects 478 * 479 *****************************************************************************/ 480 481 /* 482 * The Reference object is used for these opcodes: 483 * Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp 484 * The Reference.Class differentiates these types. 485 */ 486 typedef struct acpi_object_reference 487 { 488 ACPI_OBJECT_COMMON_HEADER 489 UINT8 Class; /* Reference Class */ 490 UINT8 TargetType; /* Used for Index Op */ 491 UINT8 Reserved; 492 void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 493 ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */ 494 union acpi_operand_object **Where; /* Target of Index */ 495 UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */ 496 497 } ACPI_OBJECT_REFERENCE; 498 499 /* Values for Reference.Class above */ 500 501 typedef enum 502 { 503 ACPI_REFCLASS_LOCAL = 0, /* Method local */ 504 ACPI_REFCLASS_ARG = 1, /* Method argument */ 505 ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */ 506 ACPI_REFCLASS_INDEX = 3, /* Result of Index() */ 507 ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */ 508 ACPI_REFCLASS_NAME = 5, /* Reference to a named object */ 509 ACPI_REFCLASS_DEBUG = 6, /* Debug object */ 510 511 ACPI_REFCLASS_MAX = 6 512 513 } ACPI_REFERENCE_CLASSES; 514 515 516 /* 517 * Extra object is used as additional storage for types that 518 * have AML code in their declarations (TermArgs) that must be 519 * evaluated at run time. 520 * 521 * Currently: Region and FieldUnit types 522 */ 523 typedef struct acpi_object_extra 524 { 525 ACPI_OBJECT_COMMON_HEADER 526 ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 527 void *RegionContext; /* Region-specific data */ 528 UINT8 *AmlStart; 529 UINT32 AmlLength; 530 531 } ACPI_OBJECT_EXTRA; 532 533 534 /* Additional data that can be attached to namespace nodes */ 535 536 typedef struct acpi_object_data 537 { 538 ACPI_OBJECT_COMMON_HEADER 539 ACPI_OBJECT_HANDLER Handler; 540 void *Pointer; 541 542 } ACPI_OBJECT_DATA; 543 544 545 /* Structure used when objects are cached for reuse */ 546 547 typedef struct acpi_object_cache_list 548 { 549 ACPI_OBJECT_COMMON_HEADER 550 union acpi_operand_object *Next; /* Link for object cache and internal lists*/ 551 552 } ACPI_OBJECT_CACHE_LIST; 553 554 555 /****************************************************************************** 556 * 557 * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 558 * 559 *****************************************************************************/ 560 561 typedef union acpi_operand_object 562 { 563 ACPI_OBJECT_COMMON Common; 564 ACPI_OBJECT_INTEGER Integer; 565 ACPI_OBJECT_STRING String; 566 ACPI_OBJECT_BUFFER Buffer; 567 ACPI_OBJECT_PACKAGE Package; 568 ACPI_OBJECT_EVENT Event; 569 ACPI_OBJECT_METHOD Method; 570 ACPI_OBJECT_MUTEX Mutex; 571 ACPI_OBJECT_REGION Region; 572 ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 573 ACPI_OBJECT_DEVICE Device; 574 ACPI_OBJECT_POWER_RESOURCE PowerResource; 575 ACPI_OBJECT_PROCESSOR Processor; 576 ACPI_OBJECT_THERMAL_ZONE ThermalZone; 577 ACPI_OBJECT_FIELD_COMMON CommonField; 578 ACPI_OBJECT_REGION_FIELD Field; 579 ACPI_OBJECT_BUFFER_FIELD BufferField; 580 ACPI_OBJECT_BANK_FIELD BankField; 581 ACPI_OBJECT_INDEX_FIELD IndexField; 582 ACPI_OBJECT_NOTIFY_HANDLER Notify; 583 ACPI_OBJECT_ADDR_HANDLER AddressSpace; 584 ACPI_OBJECT_REFERENCE Reference; 585 ACPI_OBJECT_EXTRA Extra; 586 ACPI_OBJECT_DATA Data; 587 ACPI_OBJECT_CACHE_LIST Cache; 588 589 /* 590 * Add namespace node to union in order to simplify code that accepts both 591 * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share 592 * a common DescriptorType field in order to differentiate them. 593 */ 594 ACPI_NAMESPACE_NODE Node; 595 596 } ACPI_OPERAND_OBJECT; 597 598 599 /****************************************************************************** 600 * 601 * ACPI_DESCRIPTOR - objects that share a common descriptor identifier 602 * 603 *****************************************************************************/ 604 605 /* Object descriptor types */ 606 607 #define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ 608 #define ACPI_DESC_TYPE_STATE 0x02 609 #define ACPI_DESC_TYPE_STATE_UPDATE 0x03 610 #define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 611 #define ACPI_DESC_TYPE_STATE_CONTROL 0x05 612 #define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 613 #define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 614 #define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 615 #define ACPI_DESC_TYPE_STATE_RESULT 0x09 616 #define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A 617 #define ACPI_DESC_TYPE_STATE_THREAD 0x0B 618 #define ACPI_DESC_TYPE_WALK 0x0C 619 #define ACPI_DESC_TYPE_PARSER 0x0D 620 #define ACPI_DESC_TYPE_OPERAND 0x0E 621 #define ACPI_DESC_TYPE_NAMED 0x0F 622 #define ACPI_DESC_TYPE_MAX 0x0F 623 624 625 typedef struct acpi_common_descriptor 626 { 627 void *CommonPointer; 628 UINT8 DescriptorType; /* To differentiate various internal objs */ 629 630 } ACPI_COMMON_DESCRIPTOR; 631 632 typedef union acpi_descriptor 633 { 634 ACPI_COMMON_DESCRIPTOR Common; 635 ACPI_OPERAND_OBJECT Object; 636 ACPI_NAMESPACE_NODE Node; 637 ACPI_PARSE_OBJECT Op; 638 639 } ACPI_DESCRIPTOR; 640 641 #pragma pack() 642 643 #endif /* _ACOBJECT_H */ 644