acobject.h revision 298714
1193326Sed/****************************************************************************** 2193326Sed * 3193326Sed * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 4193326Sed * 5193326Sed *****************************************************************************/ 6193326Sed 7193326Sed/* 8193326Sed * Copyright (C) 2000 - 2016, Intel Corp. 9193326Sed * All rights reserved. 10193326Sed * 11193326Sed * Redistribution and use in source and binary forms, with or without 12193326Sed * modification, are permitted provided that the following conditions 13193326Sed * are met: 14193326Sed * 1. Redistributions of source code must retain the above copyright 15249423Sdim * notice, this list of conditions, and the following disclaimer, 16263508Sdim * without modification. 17249423Sdim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18249423Sdim * substantially similar to the "NO WARRANTY" disclaimer below 19249423Sdim * ("Disclaimer") and any redistribution must be conditioned upon 20193326Sed * including a substantially similar Disclaimer requirement for further 21239462Sdim * binary redistribution. 22212904Sdim * 3. Neither the names of the above-listed copyright holders nor the names 23212904Sdim * of any contributors may be used to endorse or promote products derived 24249423Sdim * from this software without specific prior written permission. 25193326Sed * 26234353Sdim * Alternatively, this software may be distributed under the terms of the 27226633Sdim * GNU General Public License ("GPL") version 2 as published by the Free 28193326Sed * Software Foundation. 29193326Sed * 30193326Sed * NO WARRANTY 31193326Sed * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32193326Sed * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33193326Sed * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34193326Sed * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35193326Sed * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36193326Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37193326Sed * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38193326Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39218893Sdim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40224145Sdim * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41224145Sdim * POSSIBILITY OF SUCH DAMAGES. 42249423Sdim */ 43249423Sdim 44234353Sdim#ifndef _ACOBJECT_H 45239462Sdim#define _ACOBJECT_H 46239462Sdim 47234353Sdim/* acpisrc:StructDefs -- for acpisrc conversion */ 48193326Sed 49221345Sdim 50249423Sdim/* 51249423Sdim * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher 52234353Sdim * to the interpreter, and to keep track of the various handlers such as 53224145Sdim * address space handlers and notify handlers. The object is a constant 54224145Sdim * size in order to allow it to be cached and reused. 55193326Sed * 56193326Sed * Note: The object is optimized to be aligned and will not work if it is 57218893Sdim * byte-packed. 58193326Sed */ 59193326Sed#if ACPI_MACHINE_WIDTH == 64 60193326Sed#pragma pack(8) 61193326Sed#else 62193326Sed#pragma pack(4) 63193326Sed#endif 64193326Sed 65210299Sed/******************************************************************************* 66193326Sed * 67193326Sed * Common Descriptors 68226633Sdim * 69226633Sdim ******************************************************************************/ 70226633Sdim 71226633Sdim/* 72226633Sdim * Common area for all objects. 73226633Sdim * 74226633Sdim * DescriptorType is used to differentiate between internal descriptors, and 75226633Sdim * must be in the same place across all descriptors 76226633Sdim * 77199990Srdivacky * Note: The DescriptorType and Type fields must appear in the identical 78193326Sed * position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT 79193326Sed * structures. 80193326Sed */ 81193326Sed#define ACPI_OBJECT_COMMON_HEADER \ 82193326Sed union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\ 83193326Sed UINT8 DescriptorType; /* To differentiate various internal objs */\ 84193326Sed UINT8 Type; /* ACPI_OBJECT_TYPE */\ 85193326Sed UINT16 ReferenceCount; /* For object deletion management */\ 86193326Sed UINT8 Flags; 87193326Sed /* 88193326Sed * Note: There are 3 bytes available here before the 89193326Sed * next natural alignment boundary (for both 32/64 cases) 90193326Sed */ 91193326Sed 92193326Sed/* Values for Flag byte above */ 93193326Sed 94193326Sed#define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */ 95193326Sed#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */ 96193326Sed#define AOPOBJ_DATA_VALID 0x04 /* Object is initialized and data is valid */ 97193326Sed#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized */ 98193326Sed#define AOPOBJ_REG_CONNECTED 0x10 /* _REG was run */ 99193326Sed#define AOPOBJ_SETUP_COMPLETE 0x20 /* Region setup is complete */ 100193326Sed#define AOPOBJ_INVALID 0x40 /* Host OS won't allow a Region address */ 101193326Sed 102198092Srdivacky 103263508Sdim/****************************************************************************** 104263508Sdim * 105193326Sed * Basic data types 106263508Sdim * 107263508Sdim *****************************************************************************/ 108263508Sdim 109263508Sdimtypedef struct acpi_object_common 110263508Sdim{ 111263508Sdim ACPI_OBJECT_COMMON_HEADER 112263508Sdim 113263508Sdim} ACPI_OBJECT_COMMON; 114263508Sdim 115263508Sdim 116234353Sdimtypedef struct acpi_object_integer 117263508Sdim{ 118218893Sdim ACPI_OBJECT_COMMON_HEADER 119226633Sdim UINT8 Fill[3]; /* Prevent warning on some compilers */ 120226633Sdim UINT64 Value; 121199990Srdivacky 122198092Srdivacky} ACPI_OBJECT_INTEGER; 123193326Sed 124193326Sed 125193326Sed/* 126193326Sed * Note: The String and Buffer object must be identical through the 127263508Sdim * pointer and length elements. There is code that depends on this. 128218893Sdim * 129193326Sed * Fields common to both Strings and Buffers 130193326Sed */ 131263508Sdim#define ACPI_COMMON_BUFFER_INFO(_Type) \ 132218893Sdim _Type *Pointer; \ 133193326Sed UINT32 Length; 134193326Sed 135193326Sed 136193326Sedtypedef struct acpi_object_string /* Null terminated, ASCII characters only */ 137198092Srdivacky{ 138193326Sed ACPI_OBJECT_COMMON_HEADER 139193326Sed ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */ 140193326Sed 141193326Sed} ACPI_OBJECT_STRING; 142193326Sed 143193326Sed 144193326Sedtypedef struct acpi_object_buffer 145198092Srdivacky{ 146226633Sdim ACPI_OBJECT_COMMON_HEADER 147226633Sdim ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */ 148234353Sdim UINT32 AmlLength; 149226633Sdim UINT8 *AmlStart; 150226633Sdim ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 151226633Sdim 152198092Srdivacky} ACPI_OBJECT_BUFFER; 153234353Sdim 154234353Sdim 155243830Sdimtypedef struct acpi_object_package 156234353Sdim{ 157234353Sdim ACPI_OBJECT_COMMON_HEADER 158226633Sdim ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 159226633Sdim union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */ 160198092Srdivacky UINT8 *AmlStart; 161226633Sdim UINT32 AmlLength; 162226633Sdim UINT32 Count; /* # of elements in package */ 163226633Sdim 164226633Sdim} ACPI_OBJECT_PACKAGE; 165226633Sdim 166243830Sdim 167243830Sdim/****************************************************************************** 168193326Sed * 169193326Sed * Complex data types 170263508Sdim * 171263508Sdim *****************************************************************************/ 172193326Sed 173193326Sedtypedef struct acpi_object_event 174193326Sed{ 175263508Sdim ACPI_OBJECT_COMMON_HEADER 176199990Srdivacky ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */ 177263508Sdim 178263508Sdim} ACPI_OBJECT_EVENT; 179218893Sdim 180218893Sdim 181193326Sedtypedef struct acpi_object_mutex 182193326Sed{ 183193326Sed ACPI_OBJECT_COMMON_HEADER 184263508Sdim UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ 185263508Sdim UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ 186263508Sdim ACPI_MUTEX OsMutex; /* Actual OS synchronization object */ 187263508Sdim ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */ 188263508Sdim struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ 189263508Sdim union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ 190263508Sdim union acpi_operand_object *Next; /* Link for list of acquired mutexes */ 191263508Sdim ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 192263508Sdim UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ 193263508Sdim 194263508Sdim} ACPI_OBJECT_MUTEX; 195251662Sdim 196251662Sdim 197226633Sdimtypedef struct acpi_object_region 198263508Sdim{ 199263508Sdim ACPI_OBJECT_COMMON_HEADER 200263508Sdim UINT8 SpaceId; 201263508Sdim ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 202263508Sdim union acpi_operand_object *Handler; /* Handler for region access */ 203263508Sdim union acpi_operand_object *Next; 204263508Sdim ACPI_PHYSICAL_ADDRESS Address; 205263508Sdim UINT32 Length; 206263508Sdim 207263508Sdim} ACPI_OBJECT_REGION; 208263508Sdim 209263508Sdim 210263508Sdimtypedef struct acpi_object_method 211263508Sdim{ 212263508Sdim ACPI_OBJECT_COMMON_HEADER 213263508Sdim UINT8 InfoFlags; 214263508Sdim UINT8 ParamCount; 215263508Sdim UINT8 SyncLevel; 216263508Sdim union acpi_operand_object *Mutex; 217263508Sdim union acpi_operand_object *Node; 218263508Sdim UINT8 *AmlStart; 219263508Sdim union 220263508Sdim { 221263508Sdim ACPI_INTERNAL_METHOD Implementation; 222263508Sdim union acpi_operand_object *Handler; 223263508Sdim } Dispatch; 224263508Sdim 225263508Sdim UINT32 AmlLength; 226263508Sdim UINT8 ThreadCount; 227263508Sdim ACPI_OWNER_ID OwnerId; 228263508Sdim 229263508Sdim} ACPI_OBJECT_METHOD; 230263508Sdim 231263508Sdim/* Flags for InfoFlags field above */ 232263508Sdim 233263508Sdim#define ACPI_METHOD_MODULE_LEVEL 0x01 /* Method is actually module-level code */ 234263508Sdim#define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */ 235263508Sdim#define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */ 236263508Sdim#define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */ 237263508Sdim#define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */ 238263508Sdim#define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */ 239263508Sdim 240243830Sdim 241243830Sdim/****************************************************************************** 242226633Sdim * 243226633Sdim * Objects that can be notified. All share a common NotifyInfo area. 244226633Sdim * 245243830Sdim *****************************************************************************/ 246243830Sdim 247243830Sdim/* 248243830Sdim * Common fields for objects that support ASL notifications 249226633Sdim */ 250226633Sdim#define ACPI_COMMON_NOTIFY_INFO \ 251226633Sdim union acpi_operand_object *NotifyList[2]; /* Handlers for system/device notifies */\ 252263508Sdim union acpi_operand_object *Handler; /* Handler for Address space */ 253263508Sdim 254263508Sdim 255226633Sdimtypedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 256263508Sdim{ 257263508Sdim ACPI_OBJECT_COMMON_HEADER 258263508Sdim ACPI_COMMON_NOTIFY_INFO 259226633Sdim 260226633Sdim} ACPI_OBJECT_NOTIFY_COMMON; 261226633Sdim 262263508Sdim 263263508Sdimtypedef struct acpi_object_device 264263508Sdim{ 265226633Sdim ACPI_OBJECT_COMMON_HEADER 266226633Sdim ACPI_COMMON_NOTIFY_INFO 267226633Sdim ACPI_GPE_BLOCK_INFO *GpeBlock; 268226633Sdim 269239462Sdim} ACPI_OBJECT_DEVICE; 270263508Sdim 271239462Sdim 272239462Sdimtypedef struct acpi_object_power_resource 273239462Sdim{ 274263508Sdim ACPI_OBJECT_COMMON_HEADER 275263508Sdim ACPI_COMMON_NOTIFY_INFO 276263508Sdim UINT32 SystemLevel; 277263508Sdim UINT32 ResourceOrder; 278263508Sdim 279226633Sdim} ACPI_OBJECT_POWER_RESOURCE; 280263508Sdim 281263508Sdim 282226633Sdimtypedef struct acpi_object_processor 283263508Sdim{ 284226633Sdim ACPI_OBJECT_COMMON_HEADER 285263508Sdim 286263508Sdim /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */ 287263508Sdim 288249423Sdim UINT8 ProcId; 289263508Sdim UINT8 Length; 290263508Sdim ACPI_COMMON_NOTIFY_INFO 291263508Sdim ACPI_IO_ADDRESS Address; 292263508Sdim 293263508Sdim} ACPI_OBJECT_PROCESSOR; 294263508Sdim 295249423Sdim 296234353Sdimtypedef struct acpi_object_thermal_zone 297263508Sdim{ 298263508Sdim ACPI_OBJECT_COMMON_HEADER 299234353Sdim ACPI_COMMON_NOTIFY_INFO 300234353Sdim 301263508Sdim} ACPI_OBJECT_THERMAL_ZONE; 302234353Sdim 303263508Sdim 304226633Sdim/****************************************************************************** 305226633Sdim * 306234353Sdim * Fields. All share a common header/info field. 307234353Sdim * 308234353Sdim *****************************************************************************/ 309234353Sdim 310263508Sdim/* 311234353Sdim * Common bitfield for the field objects 312226633Sdim * "Field Datum" -- a datum from the actual field object 313234353Sdim * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field 314234353Sdim */ 315234353Sdim#define ACPI_COMMON_FIELD_INFO \ 316234353Sdim UINT8 FieldFlags; /* Access, update, and lock bits */\ 317226633Sdim UINT8 Attribute; /* From AccessAs keyword */\ 318234353Sdim UINT8 AccessByteWidth; /* Read/Write size in bytes */\ 319234353Sdim ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\ 320234353Sdim UINT32 BitLength; /* Length of field in bits */\ 321263508Sdim UINT32 BaseByteOffset; /* Byte offset within containing object */\ 322243830Sdim UINT32 Value; /* Value to store into the Bank or Index register */\ 323263508Sdim UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ 324263508Sdim UINT8 AccessLength; /* For serial regions/fields */ 325234353Sdim 326226633Sdim 327226633Sdimtypedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 328239462Sdim{ 329239462Sdim ACPI_OBJECT_COMMON_HEADER 330239462Sdim ACPI_COMMON_FIELD_INFO 331239462Sdim union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */ 332239462Sdim 333239462Sdim} ACPI_OBJECT_FIELD_COMMON; 334239462Sdim 335239462Sdim 336239462Sdimtypedef struct acpi_object_region_field 337239462Sdim{ 338226633Sdim ACPI_OBJECT_COMMON_HEADER 339239462Sdim ACPI_COMMON_FIELD_INFO 340239462Sdim UINT16 ResourceLength; 341239462Sdim union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 342239462Sdim UINT8 *ResourceBuffer; /* ResourceTemplate for serial regions/fields */ 343239462Sdim UINT16 PinNumberIndex; /* Index relative to previous Connection/Template */ 344263508Sdim 345263508Sdim} ACPI_OBJECT_REGION_FIELD; 346263508Sdim 347239462Sdim 348239462Sdimtypedef struct acpi_object_bank_field 349239462Sdim{ 350239462Sdim ACPI_OBJECT_COMMON_HEADER 351239462Sdim ACPI_COMMON_FIELD_INFO 352239462Sdim union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 353239462Sdim union acpi_operand_object *BankObj; /* BankSelect Register object */ 354239462Sdim 355239462Sdim} ACPI_OBJECT_BANK_FIELD; 356239462Sdim 357239462Sdim 358239462Sdimtypedef struct acpi_object_index_field 359239462Sdim{ 360239462Sdim ACPI_OBJECT_COMMON_HEADER 361239462Sdim ACPI_COMMON_FIELD_INFO 362239462Sdim 363239462Sdim /* 364239462Sdim * No "RegionObj" pointer needed since the Index and Data registers 365239462Sdim * are each field definitions unto themselves. 366239462Sdim */ 367239462Sdim union acpi_operand_object *IndexObj; /* Index register */ 368239462Sdim union acpi_operand_object *DataObj; /* Data register */ 369251662Sdim 370239462Sdim} ACPI_OBJECT_INDEX_FIELD; 371239462Sdim 372239462Sdim 373239462Sdim/* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 374239462Sdim 375239462Sdimtypedef struct acpi_object_buffer_field 376239462Sdim{ 377239462Sdim ACPI_OBJECT_COMMON_HEADER 378239462Sdim ACPI_COMMON_FIELD_INFO 379239462Sdim union acpi_operand_object *BufferObj; /* Containing Buffer object */ 380239462Sdim 381239462Sdim} ACPI_OBJECT_BUFFER_FIELD; 382239462Sdim 383239462Sdim 384239462Sdim/****************************************************************************** 385239462Sdim * 386239462Sdim * Objects for handlers 387239462Sdim * 388239462Sdim *****************************************************************************/ 389239462Sdim 390239462Sdimtypedef struct acpi_object_notify_handler 391239462Sdim{ 392239462Sdim ACPI_OBJECT_COMMON_HEADER 393239462Sdim ACPI_NAMESPACE_NODE *Node; /* Parent device */ 394263508Sdim UINT32 HandlerType; /* Type: Device/System/Both */ 395239462Sdim ACPI_NOTIFY_HANDLER Handler; /* Handler address */ 396239462Sdim void *Context; 397239462Sdim union acpi_operand_object *Next[2]; /* Device and System handler lists */ 398239462Sdim 399251662Sdim} ACPI_OBJECT_NOTIFY_HANDLER; 400251662Sdim 401251662Sdim 402251662Sdimtypedef struct acpi_object_addr_handler 403251662Sdim{ 404239462Sdim ACPI_OBJECT_COMMON_HEADER 405251662Sdim UINT8 SpaceId; 406251662Sdim UINT8 HandlerFlags; 407251662Sdim ACPI_ADR_SPACE_HANDLER Handler; 408251662Sdim ACPI_NAMESPACE_NODE *Node; /* Parent device */ 409251662Sdim void *Context; 410251662Sdim ACPI_ADR_SPACE_SETUP Setup; 411251662Sdim union acpi_operand_object *RegionList; /* Regions using this handler */ 412251662Sdim union acpi_operand_object *Next; 413251662Sdim 414251662Sdim} ACPI_OBJECT_ADDR_HANDLER; 415251662Sdim 416251662Sdim/* Flags for address handler (HandlerFlags) */ 417251662Sdim 418251662Sdim#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01 419251662Sdim 420251662Sdim 421251662Sdim/****************************************************************************** 422251662Sdim * 423251662Sdim * Special internal objects 424251662Sdim * 425251662Sdim *****************************************************************************/ 426251662Sdim 427251662Sdim/* 428251662Sdim * The Reference object is used for these opcodes: 429251662Sdim * Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp 430251662Sdim * The Reference.Class differentiates these types. 431251662Sdim */ 432251662Sdimtypedef struct acpi_object_reference 433251662Sdim{ 434251662Sdim ACPI_OBJECT_COMMON_HEADER 435251662Sdim UINT8 Class; /* Reference Class */ 436251662Sdim UINT8 TargetType; /* Used for Index Op */ 437251662Sdim UINT8 Reserved; 438251662Sdim void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 439251662Sdim ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */ 440251662Sdim union acpi_operand_object **Where; /* Target of Index */ 441251662Sdim UINT8 *IndexPointer; /* Used for Buffers and Strings */ 442251662Sdim UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */ 443251662Sdim 444251662Sdim} ACPI_OBJECT_REFERENCE; 445251662Sdim 446251662Sdim/* Values for Reference.Class above */ 447251662Sdim 448251662Sdimtypedef enum 449251662Sdim{ 450251662Sdim ACPI_REFCLASS_LOCAL = 0, /* Method local */ 451251662Sdim ACPI_REFCLASS_ARG = 1, /* Method argument */ 452251662Sdim ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */ 453251662Sdim ACPI_REFCLASS_INDEX = 3, /* Result of Index() */ 454251662Sdim ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */ 455251662Sdim ACPI_REFCLASS_NAME = 5, /* Reference to a named object */ 456251662Sdim ACPI_REFCLASS_DEBUG = 6, /* Debug object */ 457251662Sdim 458251662Sdim ACPI_REFCLASS_MAX = 6 459251662Sdim 460251662Sdim} ACPI_REFERENCE_CLASSES; 461251662Sdim 462251662Sdim 463251662Sdim/* 464251662Sdim * Extra object is used as additional storage for types that 465251662Sdim * have AML code in their declarations (TermArgs) that must be 466251662Sdim * evaluated at run time. 467251662Sdim * 468251662Sdim * Currently: Region and FieldUnit types 469251662Sdim */ 470251662Sdimtypedef struct acpi_object_extra 471251662Sdim{ 472251662Sdim ACPI_OBJECT_COMMON_HEADER 473251662Sdim ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 474251662Sdim ACPI_NAMESPACE_NODE *ScopeNode; 475251662Sdim void *RegionContext; /* Region-specific data */ 476251662Sdim UINT8 *AmlStart; 477251662Sdim UINT32 AmlLength; 478251662Sdim 479251662Sdim} ACPI_OBJECT_EXTRA; 480251662Sdim 481251662Sdim 482251662Sdim/* Additional data that can be attached to namespace nodes */ 483251662Sdim 484251662Sdimtypedef struct acpi_object_data 485251662Sdim{ 486251662Sdim ACPI_OBJECT_COMMON_HEADER 487251662Sdim ACPI_OBJECT_HANDLER Handler; 488251662Sdim void *Pointer; 489251662Sdim 490251662Sdim} ACPI_OBJECT_DATA; 491251662Sdim 492251662Sdim 493251662Sdim/* Structure used when objects are cached for reuse */ 494251662Sdim 495251662Sdimtypedef struct acpi_object_cache_list 496251662Sdim{ 497251662Sdim ACPI_OBJECT_COMMON_HEADER 498251662Sdim union acpi_operand_object *Next; /* Link for object cache and internal lists*/ 499251662Sdim 500251662Sdim} ACPI_OBJECT_CACHE_LIST; 501251662Sdim 502251662Sdim 503251662Sdim/****************************************************************************** 504251662Sdim * 505251662Sdim * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 506251662Sdim * 507263508Sdim *****************************************************************************/ 508251662Sdim 509251662Sdimtypedef union acpi_operand_object 510251662Sdim{ 511239462Sdim ACPI_OBJECT_COMMON Common; 512239462Sdim ACPI_OBJECT_INTEGER Integer; 513239462Sdim ACPI_OBJECT_STRING String; 514239462Sdim ACPI_OBJECT_BUFFER Buffer; 515239462Sdim ACPI_OBJECT_PACKAGE Package; 516239462Sdim ACPI_OBJECT_EVENT Event; 517239462Sdim ACPI_OBJECT_METHOD Method; 518239462Sdim ACPI_OBJECT_MUTEX Mutex; 519239462Sdim ACPI_OBJECT_REGION Region; 520239462Sdim ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 521239462Sdim ACPI_OBJECT_DEVICE Device; 522239462Sdim ACPI_OBJECT_POWER_RESOURCE PowerResource; 523239462Sdim ACPI_OBJECT_PROCESSOR Processor; 524239462Sdim ACPI_OBJECT_THERMAL_ZONE ThermalZone; 525239462Sdim ACPI_OBJECT_FIELD_COMMON CommonField; 526239462Sdim ACPI_OBJECT_REGION_FIELD Field; 527239462Sdim ACPI_OBJECT_BUFFER_FIELD BufferField; 528239462Sdim ACPI_OBJECT_BANK_FIELD BankField; 529193725Sed ACPI_OBJECT_INDEX_FIELD IndexField; 530193725Sed ACPI_OBJECT_NOTIFY_HANDLER Notify; 531193725Sed ACPI_OBJECT_ADDR_HANDLER AddressSpace; 532193725Sed ACPI_OBJECT_REFERENCE Reference; 533193725Sed ACPI_OBJECT_EXTRA Extra; 534193725Sed ACPI_OBJECT_DATA Data; 535239462Sdim ACPI_OBJECT_CACHE_LIST Cache; 536193326Sed 537193725Sed /* 538193326Sed * Add namespace node to union in order to simplify code that accepts both 539239462Sdim * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share 540239462Sdim * a common DescriptorType field in order to differentiate them. 541239462Sdim */ 542218893Sdim ACPI_NAMESPACE_NODE Node; 543223017Sdim 544239462Sdim} ACPI_OPERAND_OBJECT; 545239462Sdim 546239462Sdim 547239462Sdim/****************************************************************************** 548239462Sdim * 549239462Sdim * ACPI_DESCRIPTOR - objects that share a common descriptor identifier 550239462Sdim * 551239462Sdim *****************************************************************************/ 552239462Sdim 553239462Sdim/* Object descriptor types */ 554239462Sdim 555223017Sdim#define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ 556239462Sdim#define ACPI_DESC_TYPE_STATE 0x02 557239462Sdim#define ACPI_DESC_TYPE_STATE_UPDATE 0x03 558239462Sdim#define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 559239462Sdim#define ACPI_DESC_TYPE_STATE_CONTROL 0x05 560239462Sdim#define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 561239462Sdim#define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 562239462Sdim#define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 563239462Sdim#define ACPI_DESC_TYPE_STATE_RESULT 0x09 564239462Sdim#define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A 565239462Sdim#define ACPI_DESC_TYPE_STATE_THREAD 0x0B 566193725Sed#define ACPI_DESC_TYPE_WALK 0x0C 567239462Sdim#define ACPI_DESC_TYPE_PARSER 0x0D 568239462Sdim#define ACPI_DESC_TYPE_OPERAND 0x0E 569193725Sed#define ACPI_DESC_TYPE_NAMED 0x0F 570239462Sdim#define ACPI_DESC_TYPE_MAX 0x0F 571239462Sdim 572193725Sed 573239462Sdimtypedef struct acpi_common_descriptor 574239462Sdim{ 575239462Sdim void *CommonPointer; 576239462Sdim UINT8 DescriptorType; /* To differentiate various internal objs */ 577239462Sdim 578239462Sdim} ACPI_COMMON_DESCRIPTOR; 579239462Sdim 580239462Sdimtypedef union acpi_descriptor 581263508Sdim{ 582263508Sdim ACPI_COMMON_DESCRIPTOR Common; 583239462Sdim ACPI_OPERAND_OBJECT Object; 584239462Sdim ACPI_NAMESPACE_NODE Node; 585193725Sed ACPI_PARSE_OBJECT Op; 586239462Sdim 587193326Sed} ACPI_DESCRIPTOR; 588193326Sed 589218893Sdim#pragma pack() 590194179Sed 591194179Sed#endif /* _ACOBJECT_H */ 592208600Srdivacky