acobject.h revision 99146
1105401Stmm 2105401Stmm/****************************************************************************** 3105401Stmm * 4105401Stmm * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 5105401Stmm * $Revision: 110 $ 6105401Stmm * 7105401Stmm *****************************************************************************/ 8105401Stmm 9105401Stmm/****************************************************************************** 10105401Stmm * 11105401Stmm * 1. Copyright Notice 12105401Stmm * 13105401Stmm * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp. 14105401Stmm * All rights reserved. 15105401Stmm * 16105401Stmm * 2. License 17105401Stmm * 18105401Stmm * 2.1. This is your license from Intel Corp. under its intellectual property 19105401Stmm * rights. You may have additional license terms from the party that provided 20105401Stmm * you this software, covering your right to use that party's intellectual 21105401Stmm * property rights. 22105401Stmm * 23105401Stmm * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24105401Stmm * copy of the source code appearing in this file ("Covered Code") an 25105401Stmm * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26105401Stmm * base code distributed originally by Intel ("Original Intel Code") to copy, 27105401Stmm * make derivatives, distribute, use and display any portion of the Covered 28105401Stmm * Code in any form, with the right to sublicense such rights; and 29105401Stmm * 30105401Stmm * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31105401Stmm * license (with the right to sublicense), under only those claims of Intel 32105401Stmm * patents that are infringed by the Original Intel Code, to make, use, sell, 33129589Smarius * offer to sell, and import the Covered Code and derivative works thereof 34105401Stmm * solely to the minimum extent necessary to exercise the above copyright 35105401Stmm * license, and in no event shall the patent license extend to any additions 36105401Stmm * to or modifications of the Original Intel Code. No other license or right 37129589Smarius * is granted directly or by implication, estoppel or otherwise; 38105401Stmm * 39105401Stmm * The above copyright and patent license is granted only if the following 40129589Smarius * conditions are met: 41105401Stmm * 42105401Stmm * 3. Conditions 43129589Smarius * 44105401Stmm * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45129589Smarius * Redistribution of source code of any substantial portion of the Covered 46116212Stmm * Code or modification with rights to further distribute source must include 47116212Stmm * the above Copyright Notice, the above License, this list of Conditions, 48116212Stmm * and the following Disclaimer and Export Compliance provision. In addition, 49105401Stmm * Licensee must cause all Covered Code to which Licensee contributes to 50105401Stmm * contain a file documenting the changes Licensee made to create that Covered 51 * Code and the date of any change. Licensee must include in that file the 52 * documentation of any changes made by any predecessor Licensee. Licensee 53 * must include a prominent statement that the modification is derived, 54 * directly or indirectly, from Original Intel Code. 55 * 56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 57 * Redistribution of source code of any substantial portion of the Covered 58 * Code or modification without rights to further distribute source must 59 * include the following Disclaimer and Export Compliance provision in the 60 * documentation and/or other materials provided with distribution. In 61 * addition, Licensee may not authorize further sublicense of source of any 62 * portion of the Covered Code, and must include terms to the effect that the 63 * license from Licensee to its licensee is limited to the intellectual 64 * property embodied in the software Licensee provides to its licensee, and 65 * not to intellectual property embodied in modifications its licensee may 66 * make. 67 * 68 * 3.3. Redistribution of Executable. Redistribution in executable form of any 69 * substantial portion of the Covered Code or modification must reproduce the 70 * above Copyright Notice, and the following Disclaimer and Export Compliance 71 * provision in the documentation and/or other materials provided with the 72 * distribution. 73 * 74 * 3.4. Intel retains all right, title, and interest in and to the Original 75 * Intel Code. 76 * 77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 78 * Intel shall be used in advertising or otherwise to promote the sale, use or 79 * other dealings in products derived from or relating to the Covered Code 80 * without prior written authorization from Intel. 81 * 82 * 4. Disclaimer and Export Compliance 83 * 84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 90 * PARTICULAR PURPOSE. 91 * 92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 99 * LIMITED REMEDY. 100 * 101 * 4.3. Licensee shall not export, either directly or indirectly, any of this 102 * software or system incorporating such software without first obtaining any 103 * required license or other approval from the U. S. Department of Commerce or 104 * any other agency or department of the United States Government. In the 105 * event Licensee exports any such software from the United States or 106 * re-exports any such software from a foreign destination, Licensee shall 107 * ensure that the distribution and export/re-export of the software is in 108 * compliance with all laws, regulations, orders, or other restrictions of the 109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 110 * any of its subsidiaries will export/re-export any technical data, process, 111 * software, or service, directly or indirectly, to any country for which the 112 * United States government or any agency thereof requires an export license, 113 * other governmental approval, or letter of assurance, without first obtaining 114 * such license, approval or letter. 115 * 116 *****************************************************************************/ 117 118#ifndef _ACOBJECT_H 119#define _ACOBJECT_H 120 121 122/* 123 * The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher 124 * to the interpreter, and to keep track of the various handlers such as 125 * address space handlers and notify handlers. The object is a constant 126 * size in order to allow it to be cached and reused. 127 */ 128 129/******************************************************************************* 130 * 131 * Common Descriptors 132 * 133 ******************************************************************************/ 134 135/* 136 * Common area for all objects. 137 * 138 * DataType is used to differentiate between internal descriptors, and MUST 139 * be the first byte in this structure. 140 */ 141#define ACPI_OBJECT_COMMON_HEADER /* SIZE/ALIGNMENT: 32 bits, one ptr plus trailing 8-bit flag */\ 142 UINT8 Descriptor; /* To differentiate various internal objs */\ 143 UINT8 Type; /* ACPI_OBJECT_TYPE */\ 144 UINT16 ReferenceCount; /* For object deletion management */\ 145 union acpi_operand_obj *NextObject; /* Objects linked to parent NS node */\ 146 UINT8 Flags; \ 147 148/* Values for flag byte above */ 149 150#define AOPOBJ_RESERVED 0x01 151#define AOPOBJ_STATIC_POINTER 0x02 152#define AOPOBJ_DATA_VALID 0x04 153#define AOPOBJ_OBJECT_INITIALIZED 0x08 154#define AOPOBJ_SETUP_COMPLETE 0x10 155#define AOPOBJ_SINGLE_DATUM 0x20 156 157 158/* 159 * Common bitfield for the field objects 160 * "Field Datum" -- a datum from the actual field object 161 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field 162 */ 163#define ACPI_COMMON_FIELD_INFO /* SIZE/ALIGNMENT: 24 bits + three 32-bit values */\ 164 UINT8 FieldFlags; /* Access, update, and lock bits */\ 165 UINT8 Attribute; /* From AccessAs keyword */\ 166 UINT8 AccessByteWidth; /* Read/Write size in bytes */\ 167 UINT32 BitLength; /* Length of field in bits */\ 168 UINT32 BaseByteOffset; /* Byte offset within containing object */\ 169 UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\ 170 UINT8 DatumValidBits; /* Valid bit in first "Field datum" */\ 171 UINT8 EndFieldValidBits; /* Valid bits in the last "field datum" */\ 172 UINT8 EndBufferValidBits; /* Valid bits in the last "buffer datum" */\ 173 UINT32 Value; /* Value to store into the Bank or Index register */\ 174 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 175 176 177/* 178 * Fields common to both Strings and Buffers 179 */ 180#define ACPI_COMMON_BUFFER_INFO \ 181 UINT32 Length; 182 183 184/* 185 * Common fields for objects that support ASL notifications 186 */ 187#define ACPI_COMMON_NOTIFY_INFO \ 188 union acpi_operand_obj *SysHandler; /* Handler for system notifies */\ 189 union acpi_operand_obj *DrvHandler; /* Handler for driver notifies */\ 190 union acpi_operand_obj *AddrHandler; /* Handler for Address space */ 191 192 193 194/****************************************************************************** 195 * 196 * Basic data types 197 * 198 *****************************************************************************/ 199 200typedef struct AcpiObjectCommon 201{ 202 ACPI_OBJECT_COMMON_HEADER 203 204} ACPI_OBJECT_COMMON; 205 206 207typedef struct AcpiObjectInteger 208{ 209 ACPI_OBJECT_COMMON_HEADER 210 211 ACPI_INTEGER Value; 212 213} ACPI_OBJECT_INTEGER; 214 215 216typedef struct AcpiObjectString /* Null terminated, ASCII characters only */ 217{ 218 ACPI_OBJECT_COMMON_HEADER 219 ACPI_COMMON_BUFFER_INFO 220 NATIVE_CHAR *Pointer; /* String in AML stream or allocated string */ 221 222} ACPI_OBJECT_STRING; 223 224 225typedef struct AcpiObjectBuffer 226{ 227 ACPI_OBJECT_COMMON_HEADER 228 ACPI_COMMON_BUFFER_INFO 229 UINT8 *Pointer; /* Buffer in AML stream or allocated buffer */ 230 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 231 UINT8 *AmlStart; 232 UINT32 AmlLength; 233 234} ACPI_OBJECT_BUFFER; 235 236 237typedef struct AcpiObjectPackage 238{ 239 ACPI_OBJECT_COMMON_HEADER 240 241 UINT32 Count; /* # of elements in package */ 242 UINT32 AmlLength; 243 UINT8 *AmlStart; 244 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 245 union acpi_operand_obj **Elements; /* Array of pointers to AcpiObjects */ 246 247} ACPI_OBJECT_PACKAGE; 248 249 250 251/****************************************************************************** 252 * 253 * Complex data types 254 * 255 *****************************************************************************/ 256 257typedef struct AcpiObjectEvent 258{ 259 ACPI_OBJECT_COMMON_HEADER 260 void *Semaphore; 261 262} ACPI_OBJECT_EVENT; 263 264 265#define INFINITE_CONCURRENCY 0xFF 266 267typedef struct AcpiObjectMethod 268{ 269 ACPI_OBJECT_COMMON_HEADER 270 UINT8 MethodFlags; 271 UINT8 ParamCount; 272 273 UINT32 AmlLength; 274 275 void *Semaphore; 276 UINT8 *AmlStart; 277 278 UINT8 Concurrency; 279 UINT8 ThreadCount; 280 ACPI_OWNER_ID OwningId; 281 282} ACPI_OBJECT_METHOD; 283 284 285typedef struct AcpiObjectMutex 286{ 287 ACPI_OBJECT_COMMON_HEADER 288 UINT16 SyncLevel; 289 UINT16 AcquisitionDepth; 290 291 struct acpi_thread_state *OwnerThread; 292 void *Semaphore; 293 union acpi_operand_obj *Prev; /* Link for list of acquired mutexes */ 294 union acpi_operand_obj *Next; /* Link for list of acquired mutexes */ 295 296} ACPI_OBJECT_MUTEX; 297 298 299typedef struct AcpiObjectRegion 300{ 301 ACPI_OBJECT_COMMON_HEADER 302 303 UINT8 SpaceId; 304 305 union acpi_operand_obj *AddrHandler; /* Handler for system notifies */ 306 ACPI_NAMESPACE_NODE *Node; /* containing object */ 307 union acpi_operand_obj *Next; 308 UINT32 Length; 309 ACPI_PHYSICAL_ADDRESS Address; 310 311} ACPI_OBJECT_REGION; 312 313 314 315/****************************************************************************** 316 * 317 * Objects that can be notified. All share a common NotifyInfo area. 318 * 319 *****************************************************************************/ 320 321typedef struct AcpiObjectNotifyCommon /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 322{ 323 ACPI_OBJECT_COMMON_HEADER 324 ACPI_COMMON_NOTIFY_INFO 325 326} ACPI_OBJECT_NOTIFY_COMMON; 327 328 329typedef struct AcpiObjectDevice 330{ 331 ACPI_OBJECT_COMMON_HEADER 332 ACPI_COMMON_NOTIFY_INFO 333 334} ACPI_OBJECT_DEVICE; 335 336 337typedef struct AcpiObjectPowerResource 338{ 339 ACPI_OBJECT_COMMON_HEADER 340 ACPI_COMMON_NOTIFY_INFO 341 342 UINT32 SystemLevel; 343 UINT32 ResourceOrder; 344 345} ACPI_OBJECT_POWER_RESOURCE; 346 347 348typedef struct AcpiObjectProcessor 349{ 350 ACPI_OBJECT_COMMON_HEADER 351 ACPI_COMMON_NOTIFY_INFO 352 353 UINT32 ProcId; 354 UINT32 Length; 355 ACPI_IO_ADDRESS Address; 356 357} ACPI_OBJECT_PROCESSOR; 358 359 360typedef struct AcpiObjectThermalZone 361{ 362 ACPI_OBJECT_COMMON_HEADER 363 ACPI_COMMON_NOTIFY_INFO 364 365 366} ACPI_OBJECT_THERMAL_ZONE; 367 368 369 370/****************************************************************************** 371 * 372 * Fields. All share a common header/info field. 373 * 374 *****************************************************************************/ 375 376typedef struct AcpiObjectFieldCommon /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 377{ 378 ACPI_OBJECT_COMMON_HEADER 379 ACPI_COMMON_FIELD_INFO 380 union acpi_operand_obj *RegionObj; /* Containing Operation Region object */ 381 /* (REGION/BANK fields only) */ 382} ACPI_OBJECT_FIELD_COMMON; 383 384 385typedef struct AcpiObjectRegionField 386{ 387 ACPI_OBJECT_COMMON_HEADER 388 ACPI_COMMON_FIELD_INFO 389 union acpi_operand_obj *RegionObj; /* Containing OpRegion object */ 390 391} ACPI_OBJECT_REGION_FIELD; 392 393 394typedef struct AcpiObjectBankField 395{ 396 ACPI_OBJECT_COMMON_HEADER 397 ACPI_COMMON_FIELD_INFO 398 399 union acpi_operand_obj *RegionObj; /* Containing OpRegion object */ 400 union acpi_operand_obj *BankObj; /* BankSelect Register object */ 401 402} ACPI_OBJECT_BANK_FIELD; 403 404 405typedef struct AcpiObjectIndexField 406{ 407 ACPI_OBJECT_COMMON_HEADER 408 ACPI_COMMON_FIELD_INFO 409 410 /* 411 * No "RegionObj" pointer needed since the Index and Data registers 412 * are each field definitions unto themselves. 413 */ 414 union acpi_operand_obj *IndexObj; /* Index register */ 415 union acpi_operand_obj *DataObj; /* Data register */ 416 417 418} ACPI_OBJECT_INDEX_FIELD; 419 420 421/* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 422 423typedef struct AcpiObjectBufferField 424{ 425 ACPI_OBJECT_COMMON_HEADER 426 ACPI_COMMON_FIELD_INFO 427 428 union acpi_operand_obj *BufferObj; /* Containing Buffer object */ 429 430} ACPI_OBJECT_BUFFER_FIELD; 431 432 433 434/****************************************************************************** 435 * 436 * Objects for handlers 437 * 438 *****************************************************************************/ 439 440typedef struct AcpiObjectNotifyHandler 441{ 442 ACPI_OBJECT_COMMON_HEADER 443 444 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 445 ACPI_NOTIFY_HANDLER Handler; 446 void *Context; 447 448} ACPI_OBJECT_NOTIFY_HANDLER; 449 450 451/* Flags for address handler */ 452 453#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x1 454 455 456typedef struct AcpiObjectAddrHandler 457{ 458 ACPI_OBJECT_COMMON_HEADER 459 460 UINT8 SpaceId; 461 UINT16 Hflags; 462 ACPI_ADR_SPACE_HANDLER Handler; 463 464 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 465 void *Context; 466 ACPI_ADR_SPACE_SETUP Setup; 467 union acpi_operand_obj *RegionList; /* regions using this handler */ 468 union acpi_operand_obj *Next; 469 470} ACPI_OBJECT_ADDR_HANDLER; 471 472 473 474/****************************************************************************** 475 * 476 * Special internal objects 477 * 478 *****************************************************************************/ 479 480/* 481 * The Reference object type is used for these opcodes: 482 * Arg[0-6], Local[0-7], IndexOp, NameOp, ZeroOp, OneOp, OnesOp, DebugOp 483 */ 484typedef struct AcpiObjectReference 485{ 486 ACPI_OBJECT_COMMON_HEADER 487 488 UINT8 TargetType; /* Used for IndexOp */ 489 UINT16 Opcode; 490 UINT32 Offset; /* Used for ArgOp, LocalOp, and IndexOp */ 491 492 void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 493 ACPI_NAMESPACE_NODE *Node; 494 union acpi_operand_obj **Where; 495 496} ACPI_OBJECT_REFERENCE; 497 498 499/* 500 * Extra object is used as additional storage for types that 501 * have AML code in their declarations (TermArgs) that must be 502 * evaluated at run time. 503 * 504 * Currently: Region and FieldUnit types 505 */ 506typedef struct AcpiObjectExtra 507{ 508 ACPI_OBJECT_COMMON_HEADER 509 UINT8 ByteFill1; 510 UINT16 WordFill1; 511 UINT32 AmlLength; 512 UINT8 *AmlStart; 513 ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 514 void *RegionContext; /* Region-specific data */ 515 516} ACPI_OBJECT_EXTRA; 517 518 519/* Additional data that can be attached to namespace nodes */ 520 521typedef struct AcpiObjectData 522{ 523 ACPI_OBJECT_COMMON_HEADER 524 ACPI_OBJECT_HANDLER Handler; 525 void *Pointer; 526 527} ACPI_OBJECT_DATA; 528 529 530/* Structure used when objects are cached for reuse */ 531 532typedef struct AcpiObjectCacheList 533{ 534 ACPI_OBJECT_COMMON_HEADER 535 union acpi_operand_obj *Next; /* Link for object cache and internal lists*/ 536 537} ACPI_OBJECT_CACHE_LIST; 538 539 540 541/****************************************************************************** 542 * 543 * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 544 * 545 *****************************************************************************/ 546 547typedef union acpi_operand_obj 548{ 549 ACPI_OBJECT_COMMON Common; 550 551 ACPI_OBJECT_INTEGER Integer; 552 ACPI_OBJECT_STRING String; 553 ACPI_OBJECT_BUFFER Buffer; 554 ACPI_OBJECT_PACKAGE Package; 555 556 ACPI_OBJECT_EVENT Event; 557 ACPI_OBJECT_METHOD Method; 558 ACPI_OBJECT_MUTEX Mutex; 559 ACPI_OBJECT_REGION Region; 560 561 ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 562 ACPI_OBJECT_DEVICE Device; 563 ACPI_OBJECT_POWER_RESOURCE PowerResource; 564 ACPI_OBJECT_PROCESSOR Processor; 565 ACPI_OBJECT_THERMAL_ZONE ThermalZone; 566 567 ACPI_OBJECT_FIELD_COMMON CommonField; 568 ACPI_OBJECT_REGION_FIELD Field; 569 ACPI_OBJECT_BUFFER_FIELD BufferField; 570 ACPI_OBJECT_BANK_FIELD BankField; 571 ACPI_OBJECT_INDEX_FIELD IndexField; 572 573 ACPI_OBJECT_NOTIFY_HANDLER NotifyHandler; 574 ACPI_OBJECT_ADDR_HANDLER AddrHandler; 575 576 ACPI_OBJECT_REFERENCE Reference; 577 ACPI_OBJECT_EXTRA Extra; 578 ACPI_OBJECT_DATA Data; 579 ACPI_OBJECT_CACHE_LIST Cache; 580 581} ACPI_OPERAND_OBJECT; 582 583#endif /* _ACOBJECT_H */ 584