acobject.h revision 272444
1139823Simp/****************************************************************************** 2116808Sharti * 3116808Sharti * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 4116808Sharti * 5116808Sharti *****************************************************************************/ 6116808Sharti 7116808Sharti/* 8116808Sharti * Copyright (C) 2000 - 2014, Intel Corp. 9116808Sharti * All rights reserved. 10116808Sharti * 11116808Sharti * Redistribution and use in source and binary forms, with or without 12116808Sharti * modification, are permitted provided that the following conditions 13116808Sharti * are met: 14116808Sharti * 1. Redistributions of source code must retain the above copyright 15116808Sharti * notice, this list of conditions, and the following disclaimer, 16116808Sharti * without modification. 17116808Sharti * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18116808Sharti * substantially similar to the "NO WARRANTY" disclaimer below 19116808Sharti * ("Disclaimer") and any redistribution must be conditioned upon 20116808Sharti * including a substantially similar Disclaimer requirement for further 21116808Sharti * binary redistribution. 22116808Sharti * 3. Neither the names of the above-listed copyright holders nor the names 23116808Sharti * of any contributors may be used to endorse or promote products derived 24116808Sharti * from this software without specific prior written permission. 25116808Sharti * 26116808Sharti * Alternatively, this software may be distributed under the terms of the 27116808Sharti * GNU General Public License ("GPL") version 2 as published by the Free 28139823Simp * Software Foundation. 29139823Simp * 30139823Simp * NO WARRANTY 31116808Sharti * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32116808Sharti * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33116808Sharti * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34116808Sharti * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35116808Sharti * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36116808Sharti * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37116808Sharti * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38116808Sharti * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39116808Sharti * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40116808Sharti * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41116808Sharti * POSSIBILITY OF SUCH DAMAGES. 42116808Sharti */ 43116808Sharti 44116808Sharti#ifndef _ACOBJECT_H 45116808Sharti#define _ACOBJECT_H 46116808Sharti 47116808Sharti/* acpisrc:StructDefs -- for acpisrc conversion */ 48116808Sharti 49116808Sharti 50116808Sharti/* 51116808Sharti * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher 52116808Sharti * to the interpreter, and to keep track of the various handlers such as 53116808Sharti * address space handlers and notify handlers. The object is a constant 54116808Sharti * size in order to allow it to be cached and reused. 55116808Sharti * 56185571Sbz * Note: The object is optimized to be aligned and will not work if it is 57116808Sharti * byte-packed. 58116808Sharti */ 59116808Sharti#if ACPI_MACHINE_WIDTH == 64 60116808Sharti#pragma pack(8) 61116808Sharti#else 62116808Sharti#pragma pack(4) 63116808Sharti#endif 64116808Sharti 65116808Sharti/******************************************************************************* 66116808Sharti * 67116808Sharti * Common Descriptors 68116808Sharti * 69116808Sharti ******************************************************************************/ 70116808Sharti 71116808Sharti/* 72116808Sharti * Common area for all objects. 73118175Sharti * 74116808Sharti * DescriptorType is used to differentiate between internal descriptors, and 75116808Sharti * must be in the same place across all descriptors 76116808Sharti * 77116808Sharti * Note: The DescriptorType and Type fields must appear in the identical 78227309Sed * position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT 79227309Sed * structures. 80116808Sharti */ 81116808Sharti#define ACPI_OBJECT_COMMON_HEADER \ 82116808Sharti union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\ 83116808Sharti UINT8 DescriptorType; /* To differentiate various internal objs */\ 84116808Sharti UINT8 Type; /* ACPI_OBJECT_TYPE */\ 85116808Sharti UINT16 ReferenceCount; /* For object deletion management */\ 86116808Sharti UINT8 Flags; 87116808Sharti /* 88116808Sharti * Note: There are 3 bytes available here before the 89116808Sharti * next natural alignment boundary (for both 32/64 cases) 90116808Sharti */ 91116808Sharti 92116808Sharti/* Values for Flag byte above */ 93116808Sharti 94116808Sharti#define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */ 95116808Sharti#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */ 96116808Sharti#define AOPOBJ_DATA_VALID 0x04 /* Object is initialized and data is valid */ 97116808Sharti#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */ 98116808Sharti#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */ 99117157Sharti#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */ 100116808Sharti 101116808Sharti 102116808Sharti/****************************************************************************** 103116808Sharti * 104116808Sharti * Basic data types 105116808Sharti * 106116808Sharti *****************************************************************************/ 107116808Sharti 108116808Shartitypedef struct acpi_object_common 109116808Sharti{ 110116808Sharti ACPI_OBJECT_COMMON_HEADER 111116808Sharti 112116808Sharti} ACPI_OBJECT_COMMON; 113116808Sharti 114116808Sharti 115116808Shartitypedef struct acpi_object_integer 116116808Sharti{ 117116808Sharti ACPI_OBJECT_COMMON_HEADER 118116808Sharti UINT8 Fill[3]; /* Prevent warning on some compilers */ 119118175Sharti UINT64 Value; 120116808Sharti 121118175Sharti} ACPI_OBJECT_INTEGER; 122118175Sharti 123118175Sharti 124116808Sharti/* 125118175Sharti * Note: The String and Buffer object must be identical through the 126116808Sharti * pointer and length elements. There is code that depends on this. 127116808Sharti * 128116808Sharti * Fields common to both Strings and Buffers 129118175Sharti */ 130118175Sharti#define ACPI_COMMON_BUFFER_INFO(_Type) \ 131118175Sharti _Type *Pointer; \ 132118175Sharti UINT32 Length; 133118175Sharti 134118175Sharti 135118175Shartitypedef struct acpi_object_string /* Null terminated, ASCII characters only */ 136118175Sharti{ 137118175Sharti ACPI_OBJECT_COMMON_HEADER 138118175Sharti ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */ 139118175Sharti 140118175Sharti} ACPI_OBJECT_STRING; 141118175Sharti 142118175Sharti 143118175Shartitypedef struct acpi_object_buffer 144118175Sharti{ 145118175Sharti ACPI_OBJECT_COMMON_HEADER 146118175Sharti ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */ 147118175Sharti UINT32 AmlLength; 148118175Sharti UINT8 *AmlStart; 149116808Sharti ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 150116808Sharti 151116808Sharti} ACPI_OBJECT_BUFFER; 152116808Sharti 153116808Sharti 154116808Shartitypedef struct acpi_object_package 155116808Sharti{ 156116808Sharti ACPI_OBJECT_COMMON_HEADER 157116808Sharti ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 158116808Sharti union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */ 159116808Sharti UINT8 *AmlStart; 160116808Sharti UINT32 AmlLength; 161116808Sharti UINT32 Count; /* # of elements in package */ 162116808Sharti 163116808Sharti} ACPI_OBJECT_PACKAGE; 164116808Sharti 165116808Sharti 166116808Sharti/****************************************************************************** 167116808Sharti * 168116808Sharti * Complex data types 169116808Sharti * 170116808Sharti *****************************************************************************/ 171116808Sharti 172116808Shartitypedef struct acpi_object_event 173116808Sharti{ 174116808Sharti ACPI_OBJECT_COMMON_HEADER 175116808Sharti ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */ 176116808Sharti 177116808Sharti} ACPI_OBJECT_EVENT; 178116808Sharti 179116808Sharti 180116808Shartitypedef struct acpi_object_mutex 181116808Sharti{ 182116808Sharti ACPI_OBJECT_COMMON_HEADER 183116808Sharti UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ 184116808Sharti UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ 185116808Sharti ACPI_MUTEX OsMutex; /* Actual OS synchronization object */ 186116808Sharti ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */ 187116808Sharti struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ 188116808Sharti union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ 189116808Sharti union acpi_operand_object *Next; /* Link for list of acquired mutexes */ 190116808Sharti ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 191116808Sharti UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ 192116808Sharti 193116808Sharti} ACPI_OBJECT_MUTEX; 194116808Sharti 195116808Sharti 196116808Shartitypedef struct acpi_object_region 197116808Sharti{ 198116808Sharti ACPI_OBJECT_COMMON_HEADER 199116808Sharti UINT8 SpaceId; 200116808Sharti ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 201116808Sharti union acpi_operand_object *Handler; /* Handler for region access */ 202116808Sharti union acpi_operand_object *Next; 203116808Sharti ACPI_PHYSICAL_ADDRESS Address; 204116808Sharti UINT32 Length; 205116808Sharti 206116808Sharti} ACPI_OBJECT_REGION; 207116808Sharti 208116808Sharti 209116808Shartitypedef struct acpi_object_method 210116808Sharti{ 211116808Sharti ACPI_OBJECT_COMMON_HEADER 212116808Sharti UINT8 InfoFlags; 213116808Sharti UINT8 ParamCount; 214116808Sharti UINT8 SyncLevel; 215116808Sharti union acpi_operand_object *Mutex; 216116808Sharti UINT8 *AmlStart; 217116808Sharti union 218116808Sharti { 219116808Sharti ACPI_INTERNAL_METHOD Implementation; 220116808Sharti union acpi_operand_object *Handler; 221116808Sharti } Dispatch; 222116808Sharti 223116808Sharti UINT32 AmlLength; 224116808Sharti UINT8 ThreadCount; 225116808Sharti ACPI_OWNER_ID OwnerId; 226116808Sharti 227116808Sharti} ACPI_OBJECT_METHOD; 228116808Sharti 229116808Sharti/* Flags for InfoFlags field above */ 230116808Sharti 231116808Sharti#define ACPI_METHOD_MODULE_LEVEL 0x01 /* Method is actually module-level code */ 232116808Sharti#define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */ 233116808Sharti#define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */ 234116808Sharti#define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */ 235116808Sharti#define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */ 236116808Sharti#define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */ 237116808Sharti 238116808Sharti 239116808Sharti/****************************************************************************** 240116808Sharti * 241116808Sharti * Objects that can be notified. All share a common NotifyInfo area. 242116808Sharti * 243116808Sharti *****************************************************************************/ 244116808Sharti 245116808Sharti/* 246116808Sharti * Common fields for objects that support ASL notifications 247116808Sharti */ 248116808Sharti#define ACPI_COMMON_NOTIFY_INFO \ 249116808Sharti union acpi_operand_object *NotifyList[2]; /* Handlers for system/device notifies */\ 250116808Sharti union acpi_operand_object *Handler; /* Handler for Address space */ 251116808Sharti 252116808Sharti 253116808Shartitypedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 254116808Sharti{ 255116808Sharti ACPI_OBJECT_COMMON_HEADER 256116808Sharti ACPI_COMMON_NOTIFY_INFO 257116808Sharti 258116808Sharti} ACPI_OBJECT_NOTIFY_COMMON; 259116808Sharti 260116808Sharti 261116808Shartitypedef struct acpi_object_device 262116808Sharti{ 263116808Sharti ACPI_OBJECT_COMMON_HEADER 264116808Sharti ACPI_COMMON_NOTIFY_INFO 265116808Sharti ACPI_GPE_BLOCK_INFO *GpeBlock; 266116808Sharti 267116808Sharti} ACPI_OBJECT_DEVICE; 268116808Sharti 269116808Sharti 270116808Shartitypedef struct acpi_object_power_resource 271116808Sharti{ 272116808Sharti ACPI_OBJECT_COMMON_HEADER 273116808Sharti ACPI_COMMON_NOTIFY_INFO 274116808Sharti UINT32 SystemLevel; 275116808Sharti UINT32 ResourceOrder; 276116808Sharti 277116808Sharti} ACPI_OBJECT_POWER_RESOURCE; 278116808Sharti 279116808Sharti 280116808Shartitypedef struct acpi_object_processor 281116808Sharti{ 282116808Sharti ACPI_OBJECT_COMMON_HEADER 283116808Sharti 284116808Sharti /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */ 285116808Sharti 286116808Sharti UINT8 ProcId; 287116808Sharti UINT8 Length; 288116808Sharti ACPI_COMMON_NOTIFY_INFO 289116808Sharti ACPI_IO_ADDRESS Address; 290116808Sharti 291116808Sharti} ACPI_OBJECT_PROCESSOR; 292116808Sharti 293118175Sharti 294118175Shartitypedef struct acpi_object_thermal_zone 295118175Sharti{ 296118175Sharti ACPI_OBJECT_COMMON_HEADER 297118175Sharti ACPI_COMMON_NOTIFY_INFO 298118175Sharti 299118175Sharti} ACPI_OBJECT_THERMAL_ZONE; 300118175Sharti 301118175Sharti 302118175Sharti/****************************************************************************** 303118175Sharti * 304118175Sharti * Fields. All share a common header/info field. 305118175Sharti * 306118175Sharti *****************************************************************************/ 307118175Sharti 308118175Sharti/* 309118175Sharti * Common bitfield for the field objects 310118175Sharti * "Field Datum" -- a datum from the actual field object 311118175Sharti * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field 312118175Sharti */ 313118175Sharti#define ACPI_COMMON_FIELD_INFO \ 314118175Sharti UINT8 FieldFlags; /* Access, update, and lock bits */\ 315118175Sharti UINT8 Attribute; /* From AccessAs keyword */\ 316116808Sharti UINT8 AccessByteWidth; /* Read/Write size in bytes */\ 317116808Sharti ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\ 318116808Sharti UINT32 BitLength; /* Length of field in bits */\ 319116808Sharti UINT32 BaseByteOffset; /* Byte offset within containing object */\ 320116808Sharti UINT32 Value; /* Value to store into the Bank or Index register */\ 321116808Sharti UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ 322116808Sharti UINT8 AccessLength; /* For serial regions/fields */ 323116808Sharti 324116808Sharti 325116808Shartitypedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 326116808Sharti{ 327116808Sharti ACPI_OBJECT_COMMON_HEADER 328116808Sharti ACPI_COMMON_FIELD_INFO 329116808Sharti union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */ 330116808Sharti 331129823Sjulian} ACPI_OBJECT_FIELD_COMMON; 332129823Sjulian 333129823Sjulian 334129823Sjuliantypedef struct acpi_object_region_field 335129823Sjulian{ 336129823Sjulian ACPI_OBJECT_COMMON_HEADER 337129823Sjulian ACPI_COMMON_FIELD_INFO 338129823Sjulian UINT16 ResourceLength; 339129823Sjulian union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 340129823Sjulian UINT8 *ResourceBuffer; /* ResourceTemplate for serial regions/fields */ 341129823Sjulian UINT16 PinNumberIndex; /* Index relative to previous Connection/Template */ 342116808Sharti 343116808Sharti} ACPI_OBJECT_REGION_FIELD; 344116808Sharti 345116808Sharti 346116808Shartitypedef struct acpi_object_bank_field 347116808Sharti{ 348116808Sharti ACPI_OBJECT_COMMON_HEADER 349116808Sharti ACPI_COMMON_FIELD_INFO 350116808Sharti union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 351147256Sbrooks union acpi_operand_object *BankObj; /* BankSelect Register object */ 352147256Sbrooks 353116808Sharti} ACPI_OBJECT_BANK_FIELD; 354116808Sharti 355116808Sharti 356116808Shartitypedef struct acpi_object_index_field 357116808Sharti{ 358116808Sharti ACPI_OBJECT_COMMON_HEADER 359116808Sharti ACPI_COMMON_FIELD_INFO 360116808Sharti 361116808Sharti /* 362116808Sharti * No "RegionObj" pointer needed since the Index and Data registers 363116808Sharti * are each field definitions unto themselves. 364116808Sharti */ 365116808Sharti union acpi_operand_object *IndexObj; /* Index register */ 366116808Sharti union acpi_operand_object *DataObj; /* Data register */ 367116808Sharti 368116808Sharti} ACPI_OBJECT_INDEX_FIELD; 369116808Sharti 370116808Sharti 371116808Sharti/* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 372116808Sharti 373116808Shartitypedef struct acpi_object_buffer_field 374116808Sharti{ 375116808Sharti ACPI_OBJECT_COMMON_HEADER 376116808Sharti ACPI_COMMON_FIELD_INFO 377116808Sharti union acpi_operand_object *BufferObj; /* Containing Buffer object */ 378116808Sharti 379116808Sharti} ACPI_OBJECT_BUFFER_FIELD; 380116808Sharti 381116808Sharti 382116808Sharti/****************************************************************************** 383116808Sharti * 384116808Sharti * Objects for handlers 385116808Sharti * 386116808Sharti *****************************************************************************/ 387243882Sglebius 388116808Shartitypedef struct acpi_object_notify_handler 389116808Sharti{ 390116808Sharti ACPI_OBJECT_COMMON_HEADER 391116808Sharti ACPI_NAMESPACE_NODE *Node; /* Parent device */ 392116808Sharti UINT32 HandlerType; /* Type: Device/System/Both */ 393116808Sharti ACPI_NOTIFY_HANDLER Handler; /* Handler address */ 394116808Sharti void *Context; 395116808Sharti union acpi_operand_object *Next[2]; /* Device and System handler lists */ 396116808Sharti 397116808Sharti} ACPI_OBJECT_NOTIFY_HANDLER; 398116808Sharti 399116808Sharti 400116808Shartitypedef struct acpi_object_addr_handler 401116808Sharti{ 402116808Sharti ACPI_OBJECT_COMMON_HEADER 403116808Sharti UINT8 SpaceId; 404116808Sharti UINT8 HandlerFlags; 405116808Sharti ACPI_ADR_SPACE_HANDLER Handler; 406116808Sharti ACPI_NAMESPACE_NODE *Node; /* Parent device */ 407116808Sharti void *Context; 408116808Sharti ACPI_ADR_SPACE_SETUP Setup; 409116808Sharti union acpi_operand_object *RegionList; /* Regions using this handler */ 410116808Sharti union acpi_operand_object *Next; 411116808Sharti 412116808Sharti} ACPI_OBJECT_ADDR_HANDLER; 413116808Sharti 414116808Sharti/* Flags for address handler (HandlerFlags) */ 415116808Sharti 416116808Sharti#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01 417116808Sharti 418116808Sharti 419116808Sharti/****************************************************************************** 420116808Sharti * 421116808Sharti * Special internal objects 422116808Sharti * 423116808Sharti *****************************************************************************/ 424116808Sharti 425116808Sharti/* 426116808Sharti * The Reference object is used for these opcodes: 427116808Sharti * Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp 428116808Sharti * The Reference.Class differentiates these types. 429116808Sharti */ 430116808Shartitypedef struct acpi_object_reference 431116808Sharti{ 432116808Sharti ACPI_OBJECT_COMMON_HEADER 433116808Sharti UINT8 Class; /* Reference Class */ 434116808Sharti UINT8 TargetType; /* Used for Index Op */ 435116808Sharti UINT8 Reserved; 436116808Sharti void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 437116808Sharti ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */ 438116808Sharti union acpi_operand_object **Where; /* Target of Index */ 439116808Sharti UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */ 440116808Sharti 441116808Sharti} ACPI_OBJECT_REFERENCE; 442116808Sharti 443116808Sharti/* Values for Reference.Class above */ 444116808Sharti 445116808Shartitypedef enum 446116808Sharti{ 447116808Sharti ACPI_REFCLASS_LOCAL = 0, /* Method local */ 448116808Sharti ACPI_REFCLASS_ARG = 1, /* Method argument */ 449116808Sharti ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */ 450116808Sharti ACPI_REFCLASS_INDEX = 3, /* Result of Index() */ 451116808Sharti ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */ 452116808Sharti ACPI_REFCLASS_NAME = 5, /* Reference to a named object */ 453116808Sharti ACPI_REFCLASS_DEBUG = 6, /* Debug object */ 454116808Sharti 455116808Sharti ACPI_REFCLASS_MAX = 6 456116808Sharti 457116808Sharti} ACPI_REFERENCE_CLASSES; 458116808Sharti 459116808Sharti 460116808Sharti/* 461116808Sharti * Extra object is used as additional storage for types that 462116808Sharti * have AML code in their declarations (TermArgs) that must be 463116808Sharti * evaluated at run time. 464116808Sharti * 465243882Sglebius * Currently: Region and FieldUnit types 466116808Sharti */ 467116808Shartitypedef struct acpi_object_extra 468116808Sharti{ 469116808Sharti ACPI_OBJECT_COMMON_HEADER 470116808Sharti ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 471116808Sharti ACPI_NAMESPACE_NODE *ScopeNode; 472116808Sharti void *RegionContext; /* Region-specific data */ 473116808Sharti UINT8 *AmlStart; 474116808Sharti UINT32 AmlLength; 475116808Sharti 476116808Sharti} ACPI_OBJECT_EXTRA; 477116808Sharti 478116808Sharti 479116808Sharti/* Additional data that can be attached to namespace nodes */ 480116808Sharti 481116808Shartitypedef struct acpi_object_data 482116808Sharti{ 483116808Sharti ACPI_OBJECT_COMMON_HEADER 484116808Sharti ACPI_OBJECT_HANDLER Handler; 485116808Sharti void *Pointer; 486116808Sharti 487116808Sharti} ACPI_OBJECT_DATA; 488116808Sharti 489116808Sharti 490116808Sharti/* Structure used when objects are cached for reuse */ 491116808Sharti 492116808Shartitypedef struct acpi_object_cache_list 493116808Sharti{ 494116808Sharti ACPI_OBJECT_COMMON_HEADER 495116808Sharti union acpi_operand_object *Next; /* Link for object cache and internal lists*/ 496116808Sharti 497116808Sharti} ACPI_OBJECT_CACHE_LIST; 498116808Sharti 499116808Sharti 500116808Sharti/****************************************************************************** 501116808Sharti * 502116808Sharti * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 503116808Sharti * 504116808Sharti *****************************************************************************/ 505243882Sglebius 506116808Shartitypedef union acpi_operand_object 507116808Sharti{ 508116808Sharti ACPI_OBJECT_COMMON Common; 509116808Sharti ACPI_OBJECT_INTEGER Integer; 510116808Sharti ACPI_OBJECT_STRING String; 511116808Sharti ACPI_OBJECT_BUFFER Buffer; 512116808Sharti ACPI_OBJECT_PACKAGE Package; 513116808Sharti ACPI_OBJECT_EVENT Event; 514116808Sharti ACPI_OBJECT_METHOD Method; 515116808Sharti ACPI_OBJECT_MUTEX Mutex; 516116808Sharti ACPI_OBJECT_REGION Region; 517116808Sharti ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 518116808Sharti ACPI_OBJECT_DEVICE Device; 519116808Sharti ACPI_OBJECT_POWER_RESOURCE PowerResource; 520116808Sharti ACPI_OBJECT_PROCESSOR Processor; 521116808Sharti ACPI_OBJECT_THERMAL_ZONE ThermalZone; 522116808Sharti ACPI_OBJECT_FIELD_COMMON CommonField; 523116808Sharti ACPI_OBJECT_REGION_FIELD Field; 524116808Sharti ACPI_OBJECT_BUFFER_FIELD BufferField; 525116808Sharti ACPI_OBJECT_BANK_FIELD BankField; 526116808Sharti ACPI_OBJECT_INDEX_FIELD IndexField; 527116808Sharti ACPI_OBJECT_NOTIFY_HANDLER Notify; 528116808Sharti ACPI_OBJECT_ADDR_HANDLER AddressSpace; 529116808Sharti ACPI_OBJECT_REFERENCE Reference; 530116808Sharti ACPI_OBJECT_EXTRA Extra; 531116808Sharti ACPI_OBJECT_DATA Data; 532118175Sharti ACPI_OBJECT_CACHE_LIST Cache; 533116808Sharti 534116808Sharti /* 535118175Sharti * Add namespace node to union in order to simplify code that accepts both 536116808Sharti * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share 537116808Sharti * a common DescriptorType field in order to differentiate them. 538116808Sharti */ 539116808Sharti ACPI_NAMESPACE_NODE Node; 540116808Sharti 541116808Sharti} ACPI_OPERAND_OBJECT; 542118175Sharti 543116808Sharti 544118175Sharti/****************************************************************************** 545116808Sharti * 546118175Sharti * ACPI_DESCRIPTOR - objects that share a common descriptor identifier 547116808Sharti * 548116808Sharti *****************************************************************************/ 549116808Sharti 550116808Sharti/* Object descriptor types */ 551118175Sharti 552116808Sharti#define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ 553116808Sharti#define ACPI_DESC_TYPE_STATE 0x02 554116808Sharti#define ACPI_DESC_TYPE_STATE_UPDATE 0x03 555116808Sharti#define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 556116808Sharti#define ACPI_DESC_TYPE_STATE_CONTROL 0x05 557116808Sharti#define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 558118175Sharti#define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 559116808Sharti#define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 560116808Sharti#define ACPI_DESC_TYPE_STATE_RESULT 0x09 561116808Sharti#define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A 562116808Sharti#define ACPI_DESC_TYPE_STATE_THREAD 0x0B 563116808Sharti#define ACPI_DESC_TYPE_WALK 0x0C 564116808Sharti#define ACPI_DESC_TYPE_PARSER 0x0D 565116808Sharti#define ACPI_DESC_TYPE_OPERAND 0x0E 566123812Salfred#define ACPI_DESC_TYPE_NAMED 0x0F 567116808Sharti#define ACPI_DESC_TYPE_MAX 0x0F 568116808Sharti 569116808Sharti 570118175Shartitypedef struct acpi_common_descriptor 571116808Sharti{ 572118175Sharti void *CommonPointer; 573116808Sharti UINT8 DescriptorType; /* To differentiate various internal objs */ 574116808Sharti 575116808Sharti} ACPI_COMMON_DESCRIPTOR; 576116808Sharti 577116808Shartitypedef union acpi_descriptor 578116808Sharti{ 579116808Sharti ACPI_COMMON_DESCRIPTOR Common; 580116808Sharti ACPI_OPERAND_OBJECT Object; 581116808Sharti ACPI_NAMESPACE_NODE Node; 582118175Sharti ACPI_PARSE_OBJECT Op; 583118175Sharti 584118175Sharti} ACPI_DESCRIPTOR; 585116808Sharti 586123812Salfred#pragma pack() 587116808Sharti 588116808Sharti#endif /* _ACOBJECT_H */ 589116808Sharti