| 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions, and the following disclaimer, |
| 16 | * without modification. |
| 17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| 18 | * substantially similar to the "NO WARRANTY" disclaimer below |
| 19 | * ("Disclaimer") and any redistribution must be conditioned upon |
| 20 | * including a substantially similar Disclaimer requirement for further |
| 21 | * binary redistribution. |
| 22 | * 3. Neither the names of the above-listed copyright holders nor the names |
| 23 | * of any contributors may be used to endorse or promote products derived |
| 24 | * from this software without specific prior written permission. |
| 25 | * |
| 26 | * Alternatively, this software may be distributed under the terms of the |
| 27 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 28 | * Software Foundation. |
| 29 | * |
| 30 | * NO WARRANTY |
| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 41 | * POSSIBILITY OF SUCH DAMAGES. |
| 42 | */ |
| 43 | |
| 44 | #ifndef _ACOBJECT_H |
| 45 | #define _ACOBJECT_H |
| 46 | |
| 47 | /* acpisrc:StructDefs -- for acpisrc conversion */ |
| 48 | |
| 49 | |
| 50 | /* |
| 51 | * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher |
| 52 | * to the interpreter, and to keep track of the various handlers such as |
| 53 | * address space handlers and notify handlers. The object is a constant |
| 54 | * size in order to allow it to be cached and reused. |
| 55 | * |
| 56 | * Note: The object is optimized to be aligned and will not work if it is |
| 57 | * byte-packed. |
| 58 | */ |
| 59 | #if ACPI_MACHINE_WIDTH == 64 |
| 60 | #pragma pack(8) |
| 61 | #else |
| 62 | #pragma pack(4) |
| 63 | #endif |
| 64 | |
| 65 | /******************************************************************************* |
| 66 | * |
| 67 | * Common Descriptors |
| 68 | * |
| 69 | ******************************************************************************/ |
| 70 | |
| 71 | /* |
| 72 | * Common area for all objects. |
| 73 | * |
| 74 | * DescriptorType is used to differentiate between internal descriptors, and |
| 75 | * must be in the same place across all descriptors |
| 76 | * |
| 77 | * Note: The DescriptorType and Type fields must appear in the identical |
| 78 | * position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT |
| 79 | * structures. |
| 80 | */ |
| 81 | #define \ |
| 82 | union acpi_operand_object *; /* Objects linked to parent NS node */\ |
| 83 | UINT8 ; /* To differentiate various internal objs */\ |
| 84 | UINT8 ; /* ACPI_OBJECT_TYPE */\ |
| 85 | UINT16 ; /* For object deletion management */\ |
| 86 | UINT8 ; |
| 87 | /* |
| 88 | * Note: There are 3 bytes available here before the |
| 89 | * next natural alignment boundary (for both 32/64 cases) |
| 90 | */ |
| 91 | |
| 92 | /* Values for Flag byte above */ |
| 93 | |
| 94 | #define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */ |
| 95 | #define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */ |
| 96 | #define AOPOBJ_DATA_VALID 0x04 /* Object is initialized and data is valid */ |
| 97 | #define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized */ |
| 98 | #define AOPOBJ_REG_CONNECTED 0x10 /* _REG was run */ |
| 99 | #define AOPOBJ_SETUP_COMPLETE 0x20 /* Region setup is complete */ |
| 100 | #define AOPOBJ_INVALID 0x40 /* Host OS won't allow a Region address */ |
| 101 | |
| 102 | |
| 103 | /****************************************************************************** |
| 104 | * |
| 105 | * Basic data types |
| 106 | * |
| 107 | *****************************************************************************/ |
| 108 | |
| 109 | typedef struct acpi_object_common |
| 110 | { |
| 111 | ACPI_OBJECT_COMMON_HEADER |
| 112 | |
| 113 | } ACPI_OBJECT_COMMON; |
| 114 | |
| 115 | |
| 116 | typedef struct acpi_object_integer |
| 117 | { |
| 118 | ACPI_OBJECT_COMMON_HEADER |
| 119 | UINT8 Fill[3]; /* Prevent warning on some compilers */ |
| 120 | UINT64 Value; |
| 121 | |
| 122 | } ACPI_OBJECT_INTEGER; |
| 123 | |
| 124 | |
| 125 | /* |
| 126 | * Note: The String and Buffer object must be identical through the |
| 127 | * pointer and length elements. There is code that depends on this. |
| 128 | * |
| 129 | * Fields common to both Strings and Buffers |
| 130 | */ |
| 131 | #define ACPI_COMMON_BUFFER_INFO(_Type) \ |
| 132 | _Type *Pointer; \ |
| 133 | UINT32 Length; |
| 134 | |
| 135 | |
| 136 | typedef struct acpi_object_string /* Null terminated, ASCII characters only */ |
| 137 | { |
| 138 | ACPI_OBJECT_COMMON_HEADER |
| 139 | ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */ |
| 140 | |
| 141 | } ACPI_OBJECT_STRING; |
| 142 | |
| 143 | |
| 144 | typedef struct acpi_object_buffer |
| 145 | { |
| 146 | ACPI_OBJECT_COMMON_HEADER |
| 147 | ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */ |
| 148 | UINT32 AmlLength; |
| 149 | UINT8 *AmlStart; |
| 150 | ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ |
| 151 | |
| 152 | } ACPI_OBJECT_BUFFER; |
| 153 | |
| 154 | |
| 155 | typedef struct acpi_object_package |
| 156 | { |
| 157 | ACPI_OBJECT_COMMON_HEADER |
| 158 | ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ |
| 159 | union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */ |
| 160 | UINT8 *AmlStart; |
| 161 | UINT32 AmlLength; |
| 162 | UINT32 Count; /* # of elements in package */ |
| 163 | |
| 164 | } ACPI_OBJECT_PACKAGE; |
| 165 | |
| 166 | |
| 167 | /****************************************************************************** |
| 168 | * |
| 169 | * Complex data types |
| 170 | * |
| 171 | *****************************************************************************/ |
| 172 | |
| 173 | typedef struct acpi_object_event |
| 174 | { |
| 175 | ACPI_OBJECT_COMMON_HEADER |
| 176 | ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */ |
| 177 | |
| 178 | } ACPI_OBJECT_EVENT; |
| 179 | |
| 180 | |
| 181 | typedef struct acpi_object_mutex |
| 182 | { |
| 183 | ACPI_OBJECT_COMMON_HEADER |
| 184 | UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ |
| 185 | UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ |
| 186 | ACPI_MUTEX OsMutex; /* Actual OS synchronization object */ |
| 187 | ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */ |
| 188 | struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ |
| 189 | union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ |
| 190 | union acpi_operand_object *Next; /* Link for list of acquired mutexes */ |
| 191 | ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ |
| 192 | UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ |
| 193 | |
| 194 | } ACPI_OBJECT_MUTEX; |
| 195 | |
| 196 | |
| 197 | typedef struct acpi_object_region |
| 198 | { |
| 199 | ACPI_OBJECT_COMMON_HEADER |
| 200 | UINT8 SpaceId; |
| 201 | ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ |
| 202 | union acpi_operand_object *Handler; /* Handler for region access */ |
| 203 | union acpi_operand_object *Next; |
| 204 | ACPI_PHYSICAL_ADDRESS Address; |
| 205 | UINT32 Length; |
| 206 | |
| 207 | } ACPI_OBJECT_REGION; |
| 208 | |
| 209 | |
| 210 | typedef struct acpi_object_method |
| 211 | { |
| 212 | ACPI_OBJECT_COMMON_HEADER |
| 213 | UINT8 InfoFlags; |
| 214 | UINT8 ParamCount; |
| 215 | UINT8 SyncLevel; |
| 216 | union acpi_operand_object *Mutex; |
| 217 | union acpi_operand_object *Node; |
| 218 | UINT8 *AmlStart; |
| 219 | union |
| 220 | { |
| 221 | ACPI_INTERNAL_METHOD Implementation; |
| 222 | union acpi_operand_object *Handler; |
| 223 | } Dispatch; |
| 224 | |
| 225 | UINT32 AmlLength; |
| 226 | UINT8 ThreadCount; |
| 227 | ACPI_OWNER_ID OwnerId; |
| 228 | |
| 229 | } ACPI_OBJECT_METHOD; |
| 230 | |
| 231 | /* Flags for InfoFlags field above */ |
| 232 | |
| 233 | #define ACPI_METHOD_MODULE_LEVEL 0x01 /* Method is actually module-level code */ |
| 234 | #define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */ |
| 235 | #define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */ |
| 236 | #define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */ |
| 237 | #define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */ |
| 238 | #define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */ |
| 239 | |
| 240 | |
| 241 | /****************************************************************************** |
| 242 | * |
| 243 | * Objects that can be notified. All share a common NotifyInfo area. |
| 244 | * |
| 245 | *****************************************************************************/ |
| 246 | |
| 247 | /* |
| 248 | * Common fields for objects that support ASL notifications |
| 249 | */ |
| 250 | #define ACPI_COMMON_NOTIFY_INFO \ |
| 251 | union acpi_operand_object *NotifyList[2]; /* Handlers for system/device notifies */\ |
| 252 | union acpi_operand_object *Handler; /* Handler for Address space */ |
| 253 | |
| 254 | |
| 255 | typedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ |
| 256 | { |
| 257 | ACPI_OBJECT_COMMON_HEADER |
| 258 | ACPI_COMMON_NOTIFY_INFO |
| 259 | |
| 260 | } ACPI_OBJECT_NOTIFY_COMMON; |
| 261 | |
| 262 | |
| 263 | typedef struct acpi_object_device |
| 264 | { |
| 265 | ACPI_OBJECT_COMMON_HEADER |
| 266 | ACPI_COMMON_NOTIFY_INFO |
| 267 | ACPI_GPE_BLOCK_INFO *GpeBlock; |
| 268 | |
| 269 | } ACPI_OBJECT_DEVICE; |
| 270 | |
| 271 | |
| 272 | typedef struct acpi_object_power_resource |
| 273 | { |
| 274 | ACPI_OBJECT_COMMON_HEADER |
| 275 | ACPI_COMMON_NOTIFY_INFO |
| 276 | UINT32 SystemLevel; |
| 277 | UINT32 ResourceOrder; |
| 278 | |
| 279 | } ACPI_OBJECT_POWER_RESOURCE; |
| 280 | |
| 281 | |
| 282 | typedef struct acpi_object_processor |
| 283 | { |
| 284 | ACPI_OBJECT_COMMON_HEADER |
| 285 | |
| 286 | /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */ |
| 287 | |
| 288 | UINT8 ProcId; |
| 289 | UINT8 Length; |
| 290 | ACPI_COMMON_NOTIFY_INFO |
| 291 | ACPI_IO_ADDRESS Address; |
| 292 | |
| 293 | } ACPI_OBJECT_PROCESSOR; |
| 294 | |
| 295 | |
| 296 | typedef struct acpi_object_thermal_zone |
| 297 | { |
| 298 | ACPI_OBJECT_COMMON_HEADER |
| 299 | ACPI_COMMON_NOTIFY_INFO |
| 300 | |
| 301 | } ACPI_OBJECT_THERMAL_ZONE; |
| 302 | |
| 303 | |
| 304 | /****************************************************************************** |
| 305 | * |
| 306 | * Fields. All share a common header/info field. |
| 307 | * |
| 308 | *****************************************************************************/ |
| 309 | |
| 310 | /* |
| 311 | * Common bitfield for the field objects |
| 312 | * "Field Datum" -- a datum from the actual field object |
| 313 | * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field |
| 314 | */ |
| 315 | #define ACPI_COMMON_FIELD_INFO \ |
| 316 | UINT8 FieldFlags; /* Access, update, and lock bits */\ |
| 317 | UINT8 Attribute; /* From AccessAs keyword */\ |
| 318 | UINT8 AccessByteWidth; /* Read/Write size in bytes */\ |
| 319 | ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\ |
| 320 | UINT32 BitLength; /* Length of field in bits */\ |
| 321 | UINT32 BaseByteOffset; /* Byte offset within containing object */\ |
| 322 | UINT32 Value; /* Value to store into the Bank or Index register */\ |
| 323 | UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ |
| 324 | UINT8 AccessLength; /* For serial regions/fields */ |
| 325 | |
| 326 | |
| 327 | typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ |
| 328 | { |
| 329 | ACPI_OBJECT_COMMON_HEADER |
| 330 | ACPI_COMMON_FIELD_INFO |
| 331 | union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */ |
| 332 | |
| 333 | } ACPI_OBJECT_FIELD_COMMON; |
| 334 | |
| 335 | |
| 336 | typedef struct acpi_object_region_field |
| 337 | { |
| 338 | ACPI_OBJECT_COMMON_HEADER |
| 339 | ACPI_COMMON_FIELD_INFO |
| 340 | UINT16 ResourceLength; |
| 341 | union acpi_operand_object *RegionObj; /* Containing OpRegion object */ |
| 342 | UINT8 *ResourceBuffer; /* ResourceTemplate for serial regions/fields */ |
| 343 | UINT16 PinNumberIndex; /* Index relative to previous Connection/Template */ |
| 344 | |
| 345 | } ACPI_OBJECT_REGION_FIELD; |
| 346 | |
| 347 | |
| 348 | typedef struct acpi_object_bank_field |
| 349 | { |
| 350 | ACPI_OBJECT_COMMON_HEADER |
| 351 | ACPI_COMMON_FIELD_INFO |
| 352 | union acpi_operand_object *RegionObj; /* Containing OpRegion object */ |
| 353 | union acpi_operand_object *BankObj; /* BankSelect Register object */ |
| 354 | |
| 355 | } ACPI_OBJECT_BANK_FIELD; |
| 356 | |
| 357 | |
| 358 | typedef struct acpi_object_index_field |
| 359 | { |
| 360 | ACPI_OBJECT_COMMON_HEADER |
| 361 | ACPI_COMMON_FIELD_INFO |
| 362 | |
| 363 | /* |
| 364 | * No "RegionObj" pointer needed since the Index and Data registers |
| 365 | * are each field definitions unto themselves. |
| 366 | */ |
| 367 | union acpi_operand_object *IndexObj; /* Index register */ |
| 368 | union acpi_operand_object *DataObj; /* Data register */ |
| 369 | |
| 370 | } ACPI_OBJECT_INDEX_FIELD; |
| 371 | |
| 372 | |
| 373 | /* The BufferField is different in that it is part of a Buffer, not an OpRegion */ |
| 374 | |
| 375 | typedef struct acpi_object_buffer_field |
| 376 | { |
| 377 | ACPI_OBJECT_COMMON_HEADER |
| 378 | ACPI_COMMON_FIELD_INFO |
| 379 | union acpi_operand_object *BufferObj; /* Containing Buffer object */ |
| 380 | |
| 381 | } ACPI_OBJECT_BUFFER_FIELD; |
| 382 | |
| 383 | |
| 384 | /****************************************************************************** |
| 385 | * |
| 386 | * Objects for handlers |
| 387 | * |
| 388 | *****************************************************************************/ |
| 389 | |
| 390 | typedef struct acpi_object_notify_handler |
| 391 | { |
| 392 | ACPI_OBJECT_COMMON_HEADER |
| 393 | ACPI_NAMESPACE_NODE *Node; /* Parent device */ |
| 394 | UINT32 HandlerType; /* Type: Device/System/Both */ |
| 395 | ACPI_NOTIFY_HANDLER Handler; /* Handler address */ |
| 396 | void *Context; |
| 397 | union acpi_operand_object *Next[2]; /* Device and System handler lists */ |
| 398 | |
| 399 | } ACPI_OBJECT_NOTIFY_HANDLER; |
| 400 | |
| 401 | |
| 402 | typedef struct acpi_object_addr_handler |
| 403 | { |
| 404 | ACPI_OBJECT_COMMON_HEADER |
| 405 | UINT8 SpaceId; |
| 406 | UINT8 HandlerFlags; |
| 407 | ACPI_ADR_SPACE_HANDLER Handler; |
| 408 | ACPI_NAMESPACE_NODE *Node; /* Parent device */ |
| 409 | void *Context; |
| 410 | ACPI_ADR_SPACE_SETUP Setup; |
| 411 | union acpi_operand_object *RegionList; /* Regions using this handler */ |
| 412 | union acpi_operand_object *Next; |
| 413 | |
| 414 | } ACPI_OBJECT_ADDR_HANDLER; |
| 415 | |
| 416 | /* Flags for address handler (HandlerFlags) */ |
| 417 | |
| 418 | #define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01 |
| 419 | |
| 420 | |
| 421 | /****************************************************************************** |
| 422 | * |
| 423 | * Special internal objects |
| 424 | * |
| 425 | *****************************************************************************/ |
| 426 | |
| 427 | /* |
| 428 | * The Reference object is used for these opcodes: |
| 429 | * Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp |
| 430 | * The Reference.Class differentiates these types. |
| 431 | */ |
| 432 | typedef struct acpi_object_reference |
| 433 | { |
| 434 | ACPI_OBJECT_COMMON_HEADER |
| 435 | UINT8 Class; /* Reference Class */ |
| 436 | UINT8 TargetType; /* Used for Index Op */ |
| 437 | UINT8 Reserved; |
| 438 | void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ |
| 439 | ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */ |
| 440 | union acpi_operand_object **Where; /* Target of Index */ |
| 441 | UINT8 *IndexPointer; /* Used for Buffers and Strings */ |
| 442 | UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */ |
| 443 | |
| 444 | } ACPI_OBJECT_REFERENCE; |
| 445 | |
| 446 | /* Values for Reference.Class above */ |
| 447 | |
| 448 | typedef enum |
| 449 | { |
| 450 | ACPI_REFCLASS_LOCAL = 0, /* Method local */ |
| 451 | ACPI_REFCLASS_ARG = 1, /* Method argument */ |
| 452 | ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */ |
| 453 | ACPI_REFCLASS_INDEX = 3, /* Result of Index() */ |
| 454 | ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */ |
| 455 | ACPI_REFCLASS_NAME = 5, /* Reference to a named object */ |
| 456 | ACPI_REFCLASS_DEBUG = 6, /* Debug object */ |
| 457 | |
| 458 | ACPI_REFCLASS_MAX = 6 |
| 459 | |
| 460 | } ACPI_REFERENCE_CLASSES; |
| 461 | |
| 462 | |
| 463 | /* |
| 464 | * Extra object is used as additional storage for types that |
| 465 | * have AML code in their declarations (TermArgs) that must be |
| 466 | * evaluated at run time. |
| 467 | * |
| 468 | * Currently: Region and FieldUnit types |
| 469 | */ |
| 470 | typedef struct |
| 471 | { |
| 472 | ACPI_OBJECT_COMMON_HEADER |
| 473 | ACPI_NAMESPACE_NODE *; /* _REG method for this region (if any) */ |
| 474 | ACPI_NAMESPACE_NODE *; |
| 475 | void *; /* Region-specific data */ |
| 476 | UINT8 *; |
| 477 | UINT32 ; |
| 478 | |
| 479 | } ; |
| 480 | |
| 481 | |
| 482 | /* Additional data that can be attached to namespace nodes */ |
| 483 | |
| 484 | typedef struct acpi_object_data |
| 485 | { |
| 486 | ACPI_OBJECT_COMMON_HEADER |
| 487 | ACPI_OBJECT_HANDLER Handler; |
| 488 | void *Pointer; |
| 489 | |
| 490 | } ACPI_OBJECT_DATA; |
| 491 | |
| 492 | |
| 493 | /* Structure used when objects are cached for reuse */ |
| 494 | |
| 495 | typedef struct acpi_object_cache_list |
| 496 | { |
| 497 | ACPI_OBJECT_COMMON_HEADER |
| 498 | union acpi_operand_object *Next; /* Link for object cache and internal lists*/ |
| 499 | |
| 500 | } ACPI_OBJECT_CACHE_LIST; |
| 501 | |
| 502 | |
| 503 | /****************************************************************************** |
| 504 | * |
| 505 | * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above |
| 506 | * |
| 507 | *****************************************************************************/ |
| 508 | |
| 509 | typedef union acpi_operand_object |
| 510 | { |
| 511 | ACPI_OBJECT_COMMON Common; |
| 512 | ACPI_OBJECT_INTEGER Integer; |
| 513 | ACPI_OBJECT_STRING String; |
| 514 | ACPI_OBJECT_BUFFER Buffer; |
| 515 | ACPI_OBJECT_PACKAGE Package; |
| 516 | ACPI_OBJECT_EVENT Event; |
| 517 | ACPI_OBJECT_METHOD Method; |
| 518 | ACPI_OBJECT_MUTEX Mutex; |
| 519 | ACPI_OBJECT_REGION Region; |
| 520 | ACPI_OBJECT_NOTIFY_COMMON CommonNotify; |
| 521 | ACPI_OBJECT_DEVICE Device; |
| 522 | ACPI_OBJECT_POWER_RESOURCE PowerResource; |
| 523 | ACPI_OBJECT_PROCESSOR Processor; |
| 524 | ACPI_OBJECT_THERMAL_ZONE ThermalZone; |
| 525 | ACPI_OBJECT_FIELD_COMMON CommonField; |
| 526 | ACPI_OBJECT_REGION_FIELD Field; |
| 527 | ACPI_OBJECT_BUFFER_FIELD BufferField; |
| 528 | ACPI_OBJECT_BANK_FIELD BankField; |
| 529 | ACPI_OBJECT_INDEX_FIELD IndexField; |
| 530 | ACPI_OBJECT_NOTIFY_HANDLER Notify; |
| 531 | ACPI_OBJECT_ADDR_HANDLER AddressSpace; |
| 532 | ACPI_OBJECT_REFERENCE Reference; |
| 533 | ACPI_OBJECT_EXTRA Extra; |
| 534 | ACPI_OBJECT_DATA Data; |
| 535 | ACPI_OBJECT_CACHE_LIST Cache; |
| 536 | |
| 537 | /* |
| 538 | * Add namespace node to union in order to simplify code that accepts both |
| 539 | * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share |
| 540 | * a common DescriptorType field in order to differentiate them. |
| 541 | */ |
| 542 | ACPI_NAMESPACE_NODE Node; |
| 543 | |
| 544 | } ACPI_OPERAND_OBJECT; |
| 545 | |
| 546 | |
| 547 | /****************************************************************************** |
| 548 | * |
| 549 | * ACPI_DESCRIPTOR - objects that share a common descriptor identifier |
| 550 | * |
| 551 | *****************************************************************************/ |
| 552 | |
| 553 | /* Object descriptor types */ |
| 554 | |
| 555 | #define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ |
| 556 | #define ACPI_DESC_TYPE_STATE 0x02 |
| 557 | #define ACPI_DESC_TYPE_STATE_UPDATE 0x03 |
| 558 | #define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 |
| 559 | #define ACPI_DESC_TYPE_STATE_CONTROL 0x05 |
| 560 | #define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 |
| 561 | #define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 |
| 562 | #define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 |
| 563 | #define ACPI_DESC_TYPE_STATE_RESULT 0x09 |
| 564 | #define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A |
| 565 | #define ACPI_DESC_TYPE_STATE_THREAD 0x0B |
| 566 | #define ACPI_DESC_TYPE_WALK 0x0C |
| 567 | #define ACPI_DESC_TYPE_PARSER 0x0D |
| 568 | #define ACPI_DESC_TYPE_OPERAND 0x0E |
| 569 | #define ACPI_DESC_TYPE_NAMED 0x0F |
| 570 | #define ACPI_DESC_TYPE_MAX 0x0F |
| 571 | |
| 572 | |
| 573 | typedef struct acpi_common_descriptor |
| 574 | { |
| 575 | void *CommonPointer; |
| 576 | UINT8 DescriptorType; /* To differentiate various internal objs */ |
| 577 | |
| 578 | } ACPI_COMMON_DESCRIPTOR; |
| 579 | |
| 580 | typedef union acpi_descriptor |
| 581 | { |
| 582 | ACPI_COMMON_DESCRIPTOR Common; |
| 583 | ACPI_OPERAND_OBJECT Object; |
| 584 | ACPI_NAMESPACE_NODE Node; |
| 585 | ACPI_PARSE_OBJECT Op; |
| 586 | |
| 587 | } ACPI_DESCRIPTOR; |
| 588 | |
| 589 | #pragma pack() |
| 590 | |
| 591 | #endif /* _ACOBJECT_H */ |
| 592 | |