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Warning, cross-references for /kernel/include/drivers/acpi/acobject.h need to be fixed.
0001 0002 /****************************************************************************** 0003 * 0004 * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 0005 * 0006 *****************************************************************************/ 0007 0008 /****************************************************************************** 0009 * 0010 * 1. Copyright Notice 0011 * 0012 * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. 0013 * All rights reserved. 0014 * 0015 * 2. License 0016 * 0017 * 2.1. This is your license from Intel Corp. under its intellectual property 0018 * rights. You may have additional license terms from the party that provided 0019 * you this software, covering your right to use that party's intellectual 0020 * property rights. 0021 * 0022 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 0023 * copy of the source code appearing in this file ("Covered Code") an 0024 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 0025 * base code distributed originally by Intel ("Original Intel Code") to copy, 0026 * make derivatives, distribute, use and display any portion of the Covered 0027 * Code in any form, with the right to sublicense such rights; and 0028 * 0029 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 0030 * license (with the right to sublicense), under only those claims of Intel 0031 * patents that are infringed by the Original Intel Code, to make, use, sell, 0032 * offer to sell, and import the Covered Code and derivative works thereof 0033 * solely to the minimum extent necessary to exercise the above copyright 0034 * license, and in no event shall the patent license extend to any additions 0035 * to or modifications of the Original Intel Code. No other license or right 0036 * is granted directly or by implication, estoppel or otherwise; 0037 * 0038 * The above copyright and patent license is granted only if the following 0039 * conditions are met: 0040 * 0041 * 3. Conditions 0042 * 0043 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 0044 * Redistribution of source code of any substantial portion of the Covered 0045 * Code or modification with rights to further distribute source must include 0046 * the above Copyright Notice, the above License, this list of Conditions, 0047 * and the following Disclaimer and Export Compliance provision. In addition, 0048 * Licensee must cause all Covered Code to which Licensee contributes to 0049 * contain a file documenting the changes Licensee made to create that Covered 0050 * Code and the date of any change. Licensee must include in that file the 0051 * documentation of any changes made by any predecessor Licensee. Licensee 0052 * must include a prominent statement that the modification is derived, 0053 * directly or indirectly, from Original Intel Code. 0054 * 0055 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 0056 * Redistribution of source code of any substantial portion of the Covered 0057 * Code or modification without rights to further distribute source must 0058 * include the following Disclaimer and Export Compliance provision in the 0059 * documentation and/or other materials provided with distribution. In 0060 * addition, Licensee may not authorize further sublicense of source of any 0061 * portion of the Covered Code, and must include terms to the effect that the 0062 * license from Licensee to its licensee is limited to the intellectual 0063 * property embodied in the software Licensee provides to its licensee, and 0064 * not to intellectual property embodied in modifications its licensee may 0065 * make. 0066 * 0067 * 3.3. Redistribution of Executable. Redistribution in executable form of any 0068 * substantial portion of the Covered Code or modification must reproduce the 0069 * above Copyright Notice, and the following Disclaimer and Export Compliance 0070 * provision in the documentation and/or other materials provided with the 0071 * distribution. 0072 * 0073 * 3.4. Intel retains all right, title, and interest in and to the Original 0074 * Intel Code. 0075 * 0076 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 0077 * Intel shall be used in advertising or otherwise to promote the sale, use or 0078 * other dealings in products derived from or relating to the Covered Code 0079 * without prior written authorization from Intel. 0080 * 0081 * 4. Disclaimer and Export Compliance 0082 * 0083 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 0084 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 0085 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 0086 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 0087 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 0088 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 0089 * PARTICULAR PURPOSE. 0090 * 0091 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 0092 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 0093 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 0094 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 0095 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 0096 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 0097 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 0098 * LIMITED REMEDY. 0099 * 0100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 0101 * software or system incorporating such software without first obtaining any 0102 * required license or other approval from the U. S. Department of Commerce or 0103 * any other agency or department of the United States Government. In the 0104 * event Licensee exports any such software from the United States or 0105 * re-exports any such software from a foreign destination, Licensee shall 0106 * ensure that the distribution and export/re-export of the software is in 0107 * compliance with all laws, regulations, orders, or other restrictions of the 0108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 0109 * any of its subsidiaries will export/re-export any technical data, process, 0110 * software, or service, directly or indirectly, to any country for which the 0111 * United States government or any agency thereof requires an export license, 0112 * other governmental approval, or letter of assurance, without first obtaining 0113 * such license, approval or letter. 0114 * 0115 *****************************************************************************/ 0116 0117 #ifndef _ACOBJECT_H 0118 #define _ACOBJECT_H 0119 0120 /* acpisrc:StructDefs -- for acpisrc conversion */ 0121 0122 0123 /* 0124 * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher 0125 * to the interpreter, and to keep track of the various handlers such as 0126 * address space handlers and notify handlers. The object is a constant 0127 * size in order to allow it to be cached and reused. 0128 * 0129 * Note: The object is optimized to be aligned and will not work if it is 0130 * byte-packed. 0131 */ 0132 #if ACPI_MACHINE_WIDTH == 64 0133 #pragma pack(8) 0134 #else 0135 #pragma pack(4) 0136 #endif 0137 0138 /******************************************************************************* 0139 * 0140 * Common Descriptors 0141 * 0142 ******************************************************************************/ 0143 0144 /* 0145 * Common area for all objects. 0146 * 0147 * DescriptorType is used to differentiate between internal descriptors, and 0148 * must be in the same place across all descriptors 0149 * 0150 * Note: The DescriptorType and Type fields must appear in the identical 0151 * position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT 0152 * structures. 0153 */ 0154 #define ACPI_OBJECT_COMMON_HEADER \ 0155 union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\ 0156 UINT8 DescriptorType; /* To differentiate various internal objs */\ 0157 UINT8 Type; /* ACPI_OBJECT_TYPE */\ 0158 UINT16 ReferenceCount; /* For object deletion management */\ 0159 UINT8 Flags; 0160 /* 0161 * Note: There are 3 bytes available here before the 0162 * next natural alignment boundary (for both 32/64 cases) 0163 */ 0164 0165 /* Values for Flag byte above */ 0166 0167 #define AOPOBJ_AML_CONSTANT 0x01 0168 #define AOPOBJ_STATIC_POINTER 0x02 0169 #define AOPOBJ_DATA_VALID 0x04 0170 #define AOPOBJ_OBJECT_INITIALIZED 0x08 0171 #define AOPOBJ_SETUP_COMPLETE 0x10 0172 #define AOPOBJ_SINGLE_DATUM 0x20 0173 0174 0175 /****************************************************************************** 0176 * 0177 * Basic data types 0178 * 0179 *****************************************************************************/ 0180 0181 typedef struct acpi_object_common 0182 { 0183 ACPI_OBJECT_COMMON_HEADER 0184 0185 } ACPI_OBJECT_COMMON; 0186 0187 0188 typedef struct acpi_object_integer 0189 { 0190 ACPI_OBJECT_COMMON_HEADER 0191 UINT8 Fill[3]; /* Prevent warning on some compilers */ 0192 ACPI_INTEGER Value; 0193 0194 } ACPI_OBJECT_INTEGER; 0195 0196 0197 /* 0198 * Note: The String and Buffer object must be identical through the Pointer 0199 * and length elements. There is code that depends on this. 0200 * 0201 * Fields common to both Strings and Buffers 0202 */ 0203 #define ACPI_COMMON_BUFFER_INFO(_Type) \ 0204 _Type *Pointer; \ 0205 UINT32 Length; 0206 0207 0208 typedef struct acpi_object_string /* Null terminated, ASCII characters only */ 0209 { 0210 ACPI_OBJECT_COMMON_HEADER 0211 ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */ 0212 0213 } ACPI_OBJECT_STRING; 0214 0215 0216 typedef struct acpi_object_buffer 0217 { 0218 ACPI_OBJECT_COMMON_HEADER 0219 ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */ 0220 UINT32 AmlLength; 0221 UINT8 *AmlStart; 0222 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 0223 0224 } ACPI_OBJECT_BUFFER; 0225 0226 0227 typedef struct acpi_object_package 0228 { 0229 ACPI_OBJECT_COMMON_HEADER 0230 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 0231 union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */ 0232 UINT8 *AmlStart; 0233 UINT32 AmlLength; 0234 UINT32 Count; /* # of elements in package */ 0235 0236 } ACPI_OBJECT_PACKAGE; 0237 0238 0239 /****************************************************************************** 0240 * 0241 * Complex data types 0242 * 0243 *****************************************************************************/ 0244 0245 typedef struct acpi_object_event 0246 { 0247 ACPI_OBJECT_COMMON_HEADER 0248 ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */ 0249 0250 } ACPI_OBJECT_EVENT; 0251 0252 0253 typedef struct acpi_object_mutex 0254 { 0255 ACPI_OBJECT_COMMON_HEADER 0256 UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ 0257 UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ 0258 ACPI_MUTEX OsMutex; /* Actual OS synchronization object */ 0259 ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */ 0260 struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ 0261 union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ 0262 union acpi_operand_object *Next; /* Link for list of acquired mutexes */ 0263 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 0264 UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ 0265 0266 } ACPI_OBJECT_MUTEX; 0267 0268 0269 typedef struct acpi_object_region 0270 { 0271 ACPI_OBJECT_COMMON_HEADER 0272 UINT8 SpaceId; 0273 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 0274 union acpi_operand_object *Handler; /* Handler for region access */ 0275 union acpi_operand_object *Next; 0276 ACPI_PHYSICAL_ADDRESS Address; 0277 UINT32 Length; 0278 0279 } ACPI_OBJECT_REGION; 0280 0281 0282 typedef struct acpi_object_method 0283 { 0284 ACPI_OBJECT_COMMON_HEADER 0285 UINT8 MethodFlags; 0286 UINT8 ParamCount; 0287 UINT8 SyncLevel; 0288 union acpi_operand_object *Mutex; 0289 UINT8 *AmlStart; 0290 ACPI_INTERNAL_METHOD Implementation; 0291 UINT32 AmlLength; 0292 UINT8 ThreadCount; 0293 ACPI_OWNER_ID OwnerId; 0294 0295 } ACPI_OBJECT_METHOD; 0296 0297 0298 /****************************************************************************** 0299 * 0300 * Objects that can be notified. All share a common NotifyInfo area. 0301 * 0302 *****************************************************************************/ 0303 0304 /* 0305 * Common fields for objects that support ASL notifications 0306 */ 0307 #define ACPI_COMMON_NOTIFY_INFO \ 0308 union acpi_operand_object *SystemNotify; /* Handler for system notifies */\ 0309 union acpi_operand_object *DeviceNotify; /* Handler for driver notifies */\ 0310 union acpi_operand_object *Handler; /* Handler for Address space */ 0311 0312 0313 typedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 0314 { 0315 ACPI_OBJECT_COMMON_HEADER 0316 ACPI_COMMON_NOTIFY_INFO 0317 0318 } ACPI_OBJECT_NOTIFY_COMMON; 0319 0320 0321 typedef struct acpi_object_device 0322 { 0323 ACPI_OBJECT_COMMON_HEADER 0324 ACPI_COMMON_NOTIFY_INFO 0325 ACPI_GPE_BLOCK_INFO *GpeBlock; 0326 0327 } ACPI_OBJECT_DEVICE; 0328 0329 0330 typedef struct acpi_object_power_resource 0331 { 0332 ACPI_OBJECT_COMMON_HEADER 0333 ACPI_COMMON_NOTIFY_INFO 0334 UINT32 SystemLevel; 0335 UINT32 ResourceOrder; 0336 0337 } ACPI_OBJECT_POWER_RESOURCE; 0338 0339 0340 typedef struct acpi_object_processor 0341 { 0342 ACPI_OBJECT_COMMON_HEADER 0343 0344 /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */ 0345 0346 UINT8 ProcId; 0347 UINT8 Length; 0348 ACPI_COMMON_NOTIFY_INFO 0349 ACPI_IO_ADDRESS Address; 0350 0351 } ACPI_OBJECT_PROCESSOR; 0352 0353 0354 typedef struct acpi_object_thermal_zone 0355 { 0356 ACPI_OBJECT_COMMON_HEADER 0357 ACPI_COMMON_NOTIFY_INFO 0358 0359 } ACPI_OBJECT_THERMAL_ZONE; 0360 0361 0362 /****************************************************************************** 0363 * 0364 * Fields. All share a common header/info field. 0365 * 0366 *****************************************************************************/ 0367 0368 /* 0369 * Common bitfield for the field objects 0370 * "Field Datum" -- a datum from the actual field object 0371 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field 0372 */ 0373 #define ACPI_COMMON_FIELD_INFO \ 0374 UINT8 FieldFlags; /* Access, update, and lock bits */\ 0375 UINT8 Attribute; /* From AccessAs keyword */\ 0376 UINT8 AccessByteWidth; /* Read/Write size in bytes */\ 0377 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\ 0378 UINT32 BitLength; /* Length of field in bits */\ 0379 UINT32 BaseByteOffset; /* Byte offset within containing object */\ 0380 UINT32 Value; /* Value to store into the Bank or Index register */\ 0381 UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ 0382 UINT8 AccessBitWidth; /* Read/Write size in bits (8-64) */ 0383 0384 0385 typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 0386 { 0387 ACPI_OBJECT_COMMON_HEADER 0388 ACPI_COMMON_FIELD_INFO 0389 union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */ 0390 0391 } ACPI_OBJECT_FIELD_COMMON; 0392 0393 0394 typedef struct acpi_object_region_field 0395 { 0396 ACPI_OBJECT_COMMON_HEADER 0397 ACPI_COMMON_FIELD_INFO 0398 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 0399 0400 } ACPI_OBJECT_REGION_FIELD; 0401 0402 0403 typedef struct acpi_object_bank_field 0404 { 0405 ACPI_OBJECT_COMMON_HEADER 0406 ACPI_COMMON_FIELD_INFO 0407 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 0408 union acpi_operand_object *BankObj; /* BankSelect Register object */ 0409 0410 } ACPI_OBJECT_BANK_FIELD; 0411 0412 0413 typedef struct acpi_object_index_field 0414 { 0415 ACPI_OBJECT_COMMON_HEADER 0416 ACPI_COMMON_FIELD_INFO 0417 0418 /* 0419 * No "RegionObj" pointer needed since the Index and Data registers 0420 * are each field definitions unto themselves. 0421 */ 0422 union acpi_operand_object *IndexObj; /* Index register */ 0423 union acpi_operand_object *DataObj; /* Data register */ 0424 0425 } ACPI_OBJECT_INDEX_FIELD; 0426 0427 0428 /* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 0429 0430 typedef struct acpi_object_buffer_field 0431 { 0432 ACPI_OBJECT_COMMON_HEADER 0433 ACPI_COMMON_FIELD_INFO 0434 union acpi_operand_object *BufferObj; /* Containing Buffer object */ 0435 0436 } ACPI_OBJECT_BUFFER_FIELD; 0437 0438 0439 /****************************************************************************** 0440 * 0441 * Objects for handlers 0442 * 0443 *****************************************************************************/ 0444 0445 typedef struct acpi_object_notify_handler 0446 { 0447 ACPI_OBJECT_COMMON_HEADER 0448 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 0449 ACPI_NOTIFY_HANDLER Handler; 0450 void *Context; 0451 0452 } ACPI_OBJECT_NOTIFY_HANDLER; 0453 0454 0455 typedef struct acpi_object_addr_handler 0456 { 0457 ACPI_OBJECT_COMMON_HEADER 0458 UINT8 SpaceId; 0459 UINT8 HandlerFlags; 0460 ACPI_ADR_SPACE_HANDLER Handler; 0461 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 0462 void *Context; 0463 ACPI_ADR_SPACE_SETUP Setup; 0464 union acpi_operand_object *RegionList; /* regions using this handler */ 0465 union acpi_operand_object *Next; 0466 0467 } ACPI_OBJECT_ADDR_HANDLER; 0468 0469 /* Flags for address handler (HandlerFlags) */ 0470 0471 #define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01 0472 0473 0474 /****************************************************************************** 0475 * 0476 * Special internal objects 0477 * 0478 *****************************************************************************/ 0479 0480 /* 0481 * The Reference object is used for these opcodes: 0482 * Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp 0483 * The Reference.Class differentiates these types. 0484 */ 0485 typedef struct acpi_object_reference 0486 { 0487 ACPI_OBJECT_COMMON_HEADER 0488 UINT8 Class; /* Reference Class */ 0489 UINT8 TargetType; /* Used for Index Op */ 0490 UINT8 Reserved; 0491 void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 0492 ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */ 0493 union acpi_operand_object **Where; /* Target of Index */ 0494 UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */ 0495 0496 } ACPI_OBJECT_REFERENCE; 0497 0498 /* Values for Reference.Class above */ 0499 0500 typedef enum 0501 { 0502 ACPI_REFCLASS_LOCAL = 0, /* Method local */ 0503 ACPI_REFCLASS_ARG = 1, /* Method argument */ 0504 ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */ 0505 ACPI_REFCLASS_INDEX = 3, /* Result of Index() */ 0506 ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */ 0507 ACPI_REFCLASS_NAME = 5, /* Reference to a named object */ 0508 ACPI_REFCLASS_DEBUG = 6, /* Debug object */ 0509 0510 ACPI_REFCLASS_MAX = 6 0511 0512 } ACPI_REFERENCE_CLASSES; 0513 0514 0515 /* 0516 * Extra object is used as additional storage for types that 0517 * have AML code in their declarations (TermArgs) that must be 0518 * evaluated at run time. 0519 * 0520 * Currently: Region and FieldUnit types 0521 */ 0522 typedef struct acpi_object_extra 0523 { 0524 ACPI_OBJECT_COMMON_HEADER 0525 ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 0526 void *RegionContext; /* Region-specific data */ 0527 UINT8 *AmlStart; 0528 UINT32 AmlLength; 0529 0530 } ACPI_OBJECT_EXTRA; 0531 0532 0533 /* Additional data that can be attached to namespace nodes */ 0534 0535 typedef struct acpi_object_data 0536 { 0537 ACPI_OBJECT_COMMON_HEADER 0538 ACPI_OBJECT_HANDLER Handler; 0539 void *Pointer; 0540 0541 } ACPI_OBJECT_DATA; 0542 0543 0544 /* Structure used when objects are cached for reuse */ 0545 0546 typedef struct acpi_object_cache_list 0547 { 0548 ACPI_OBJECT_COMMON_HEADER 0549 union acpi_operand_object *Next; /* Link for object cache and internal lists*/ 0550 0551 } ACPI_OBJECT_CACHE_LIST; 0552 0553 0554 /****************************************************************************** 0555 * 0556 * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 0557 * 0558 *****************************************************************************/ 0559 0560 typedef union acpi_operand_object 0561 { 0562 ACPI_OBJECT_COMMON Common; 0563 ACPI_OBJECT_INTEGER Integer; 0564 ACPI_OBJECT_STRING String; 0565 ACPI_OBJECT_BUFFER Buffer; 0566 ACPI_OBJECT_PACKAGE Package; 0567 ACPI_OBJECT_EVENT Event; 0568 ACPI_OBJECT_METHOD Method; 0569 ACPI_OBJECT_MUTEX Mutex; 0570 ACPI_OBJECT_REGION Region; 0571 ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 0572 ACPI_OBJECT_DEVICE Device; 0573 ACPI_OBJECT_POWER_RESOURCE PowerResource; 0574 ACPI_OBJECT_PROCESSOR Processor; 0575 ACPI_OBJECT_THERMAL_ZONE ThermalZone; 0576 ACPI_OBJECT_FIELD_COMMON CommonField; 0577 ACPI_OBJECT_REGION_FIELD Field; 0578 ACPI_OBJECT_BUFFER_FIELD BufferField; 0579 ACPI_OBJECT_BANK_FIELD BankField; 0580 ACPI_OBJECT_INDEX_FIELD IndexField; 0581 ACPI_OBJECT_NOTIFY_HANDLER Notify; 0582 ACPI_OBJECT_ADDR_HANDLER AddressSpace; 0583 ACPI_OBJECT_REFERENCE Reference; 0584 ACPI_OBJECT_EXTRA Extra; 0585 ACPI_OBJECT_DATA Data; 0586 ACPI_OBJECT_CACHE_LIST Cache; 0587 0588 /* 0589 * Add namespace node to union in order to simplify code that accepts both 0590 * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share 0591 * a common DescriptorType field in order to differentiate them. 0592 */ 0593 ACPI_NAMESPACE_NODE Node; 0594 0595 } ACPI_OPERAND_OBJECT; 0596 0597 0598 /****************************************************************************** 0599 * 0600 * ACPI_DESCRIPTOR - objects that share a common descriptor identifier 0601 * 0602 *****************************************************************************/ 0603 0604 /* Object descriptor types */ 0605 0606 #define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ 0607 #define ACPI_DESC_TYPE_STATE 0x02 0608 #define ACPI_DESC_TYPE_STATE_UPDATE 0x03 0609 #define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 0610 #define ACPI_DESC_TYPE_STATE_CONTROL 0x05 0611 #define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 0612 #define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 0613 #define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 0614 #define ACPI_DESC_TYPE_STATE_RESULT 0x09 0615 #define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A 0616 #define ACPI_DESC_TYPE_STATE_THREAD 0x0B 0617 #define ACPI_DESC_TYPE_WALK 0x0C 0618 #define ACPI_DESC_TYPE_PARSER 0x0D 0619 #define ACPI_DESC_TYPE_OPERAND 0x0E 0620 #define ACPI_DESC_TYPE_NAMED 0x0F 0621 #define ACPI_DESC_TYPE_MAX 0x0F 0622 0623 0624 typedef struct acpi_common_descriptor 0625 { 0626 void *CommonPointer; 0627 UINT8 DescriptorType; /* To differentiate various internal objs */ 0628 0629 } ACPI_COMMON_DESCRIPTOR; 0630 0631 typedef union acpi_descriptor 0632 { 0633 ACPI_COMMON_DESCRIPTOR Common; 0634 ACPI_OPERAND_OBJECT Object; 0635 ACPI_NAMESPACE_NODE Node; 0636 ACPI_PARSE_OBJECT Op; 0637 0638 } ACPI_DESCRIPTOR; 0639 0640 #pragma pack() 0641 0642 #endif /* _ACOBJECT_H */
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