1 2 /****************************************************************************** 3 * 4 * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only) 5 * $Revision: 1.133 $ 6 * 7 *****************************************************************************/ 8 9 /****************************************************************************** 10 * 11 * 1. Copyright Notice 12 * 13 * Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp. 14 * All rights reserved. 15 * 16 * 2. License 17 * 18 * 2.1. This is your license from Intel Corp. under its intellectual property 19 * rights. You may have additional license terms from the party that provided 20 * you this software, covering your right to use that party's intellectual 21 * property rights. 22 * 23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24 * copy of the source code appearing in this file ("Covered Code") an 25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26 * base code distributed originally by Intel ("Original Intel Code") to copy, 27 * make derivatives, distribute, use and display any portion of the Covered 28 * Code in any form, with the right to sublicense such rights; and 29 * 30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31 * license (with the right to sublicense), under only those claims of Intel 32 * patents that are infringed by the Original Intel Code, to make, use, sell, 33 * offer to sell, and import the Covered Code and derivative works thereof 34 * solely to the minimum extent necessary to exercise the above copyright 35 * license, and in no event shall the patent license extend to any additions 36 * to or modifications of the Original Intel Code. No other license or right 37 * is granted directly or by implication, estoppel or otherwise; 38 * 39 * The above copyright and patent license is granted only if the following 40 * conditions are met: 41 * 42 * 3. Conditions 43 * 44 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45 * Redistribution of source code of any substantial portion of the Covered 46 * Code or modification with rights to further distribute source must include 47 * the above Copyright Notice, the above License, this list of Conditions, 48 * and the following Disclaimer and Export Compliance provision. In addition, 49 * Licensee must cause all Covered Code to which Licensee contributes to 50 * 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_object *NextObject; /* Objects linked to parent NS node */\ 146 UINT8 Flags; 147 148 /* Values for flag byte above */ 149 150 #define AOPOBJ_AML_CONSTANT 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 AccessBitWidth; /* Read/Write size in bits (8-64) */\ 171 UINT32 Value; /* Value to store into the Bank or Index register */\ 172 ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */ 173 174 175 /* 176 * Fields common to both Strings and Buffers 177 */ 178 #define ACPI_COMMON_BUFFER_INFO \ 179 UINT32 Length; 180 181 182 /* 183 * Common fields for objects that support ASL notifications 184 */ 185 #define ACPI_COMMON_NOTIFY_INFO \ 186 union acpi_operand_object *SystemNotify; /* Handler for system notifies */\ 187 union acpi_operand_object *DeviceNotify; /* Handler for driver notifies */\ 188 union acpi_operand_object *Handler; /* Handler for Address space */ 189 190 191 /****************************************************************************** 192 * 193 * Basic data types 194 * 195 *****************************************************************************/ 196 197 typedef struct acpi_object_common 198 { 199 ACPI_OBJECT_COMMON_HEADER 200 201 } ACPI_OBJECT_COMMON; 202 203 204 typedef struct acpi_object_integer 205 { 206 ACPI_OBJECT_COMMON_HEADER 207 ACPI_INTEGER Value; 208 209 } ACPI_OBJECT_INTEGER; 210 211 212 /* 213 * Note: The String and Buffer object must be identical through the Pointer 214 * element. There is code that depends on this. 215 */ 216 typedef struct acpi_object_string /* Null terminated, ASCII characters only */ 217 { 218 ACPI_OBJECT_COMMON_HEADER 219 ACPI_COMMON_BUFFER_INFO 220 char *Pointer; /* String in AML stream or allocated string */ 221 222 } ACPI_OBJECT_STRING; 223 224 225 typedef struct acpi_object_buffer 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; 235 236 237 typedef struct acpi_object_package 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_object **Elements; /* Array of pointers to AcpiObjects */ 246 247 } ACPI_OBJECT_PACKAGE; 248 249 250 /****************************************************************************** 251 * 252 * Complex data types 253 * 254 *****************************************************************************/ 255 256 typedef struct acpi_object_event 257 { 258 ACPI_OBJECT_COMMON_HEADER 259 void *Semaphore; 260 261 } ACPI_OBJECT_EVENT; 262 263 264 #define ACPI_INFINITE_CONCURRENCY 0xFF 265 266 typedef 267 ACPI_STATUS (*ACPI_INTERNAL_METHOD) ( 268 struct acpi_walk_state *WalkState); 269 270 typedef struct acpi_object_method 271 { 272 ACPI_OBJECT_COMMON_HEADER 273 UINT8 MethodFlags; 274 UINT8 ParamCount; 275 UINT32 AmlLength; 276 void *Semaphore; 277 UINT8 *AmlStart; 278 ACPI_INTERNAL_METHOD Implementation; 279 UINT8 Concurrency; 280 UINT8 ThreadCount; 281 ACPI_OWNER_ID OwnerId; 282 283 } ACPI_OBJECT_METHOD; 284 285 286 typedef struct acpi_object_mutex 287 { 288 ACPI_OBJECT_COMMON_HEADER 289 UINT8 SyncLevel; /* 0-15, specified in Mutex() call */ 290 UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */ 291 struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */ 292 void *Semaphore; /* Actual OS synchronization object */ 293 union acpi_operand_object *Prev; /* Link for list of acquired mutexes */ 294 union acpi_operand_object *Next; /* Link for list of acquired mutexes */ 295 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 296 UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */ 297 298 } ACPI_OBJECT_MUTEX; 299 300 301 typedef struct acpi_object_region 302 { 303 ACPI_OBJECT_COMMON_HEADER 304 305 UINT8 SpaceId; 306 union acpi_operand_object *Handler; /* Handler for region access */ 307 ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */ 308 union acpi_operand_object *Next; 309 UINT32 Length; 310 ACPI_PHYSICAL_ADDRESS Address; 311 312 } ACPI_OBJECT_REGION; 313 314 315 /****************************************************************************** 316 * 317 * Objects that can be notified. All share a common NotifyInfo area. 318 * 319 *****************************************************************************/ 320 321 typedef struct acpi_object_notify_common /* 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; 327 328 329 typedef struct acpi_object_device 330 { 331 ACPI_OBJECT_COMMON_HEADER 332 ACPI_COMMON_NOTIFY_INFO 333 ACPI_GPE_BLOCK_INFO *GpeBlock; 334 335 } ACPI_OBJECT_DEVICE; 336 337 338 typedef struct acpi_object_power_resource 339 { 340 ACPI_OBJECT_COMMON_HEADER 341 ACPI_COMMON_NOTIFY_INFO 342 UINT32 SystemLevel; 343 UINT32 ResourceOrder; 344 345 } ACPI_OBJECT_POWER_RESOURCE; 346 347 348 typedef struct acpi_object_processor 349 { 350 ACPI_OBJECT_COMMON_HEADER 351 ACPI_COMMON_NOTIFY_INFO 352 UINT32 ProcId; 353 UINT32 Length; 354 ACPI_IO_ADDRESS Address; 355 356 } ACPI_OBJECT_PROCESSOR; 357 358 359 typedef struct acpi_object_thermal_zone 360 { 361 ACPI_OBJECT_COMMON_HEADER 362 ACPI_COMMON_NOTIFY_INFO 363 364 } ACPI_OBJECT_THERMAL_ZONE; 365 366 367 /****************************************************************************** 368 * 369 * Fields. All share a common header/info field. 370 * 371 *****************************************************************************/ 372 373 typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 374 { 375 ACPI_OBJECT_COMMON_HEADER 376 ACPI_COMMON_FIELD_INFO 377 union acpi_operand_object *RegionObj; /* Containing Operation Region object */ 378 /* (REGION/BANK fields only) */ 379 } ACPI_OBJECT_FIELD_COMMON; 380 381 382 typedef struct acpi_object_region_field 383 { 384 ACPI_OBJECT_COMMON_HEADER 385 ACPI_COMMON_FIELD_INFO 386 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 387 388 } ACPI_OBJECT_REGION_FIELD; 389 390 391 typedef struct acpi_object_bank_field 392 { 393 ACPI_OBJECT_COMMON_HEADER 394 ACPI_COMMON_FIELD_INFO 395 union acpi_operand_object *RegionObj; /* Containing OpRegion object */ 396 union acpi_operand_object *BankObj; /* BankSelect Register object */ 397 398 } ACPI_OBJECT_BANK_FIELD; 399 400 401 typedef struct acpi_object_index_field 402 { 403 ACPI_OBJECT_COMMON_HEADER 404 ACPI_COMMON_FIELD_INFO 405 406 /* 407 * No "RegionObj" pointer needed since the Index and Data registers 408 * are each field definitions unto themselves. 409 */ 410 union acpi_operand_object *IndexObj; /* Index register */ 411 union acpi_operand_object *DataObj; /* Data register */ 412 413 } ACPI_OBJECT_INDEX_FIELD; 414 415 416 /* The BufferField is different in that it is part of a Buffer, not an OpRegion */ 417 418 typedef struct acpi_object_buffer_field 419 { 420 ACPI_OBJECT_COMMON_HEADER 421 ACPI_COMMON_FIELD_INFO 422 union acpi_operand_object *BufferObj; /* Containing Buffer object */ 423 424 } ACPI_OBJECT_BUFFER_FIELD; 425 426 427 /****************************************************************************** 428 * 429 * Objects for handlers 430 * 431 *****************************************************************************/ 432 433 typedef struct acpi_object_notify_handler 434 { 435 ACPI_OBJECT_COMMON_HEADER 436 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 437 ACPI_NOTIFY_HANDLER Handler; 438 void *Context; 439 440 } ACPI_OBJECT_NOTIFY_HANDLER; 441 442 443 /* Flags for address handler */ 444 445 #define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x1 446 447 448 typedef struct acpi_object_addr_handler 449 { 450 ACPI_OBJECT_COMMON_HEADER 451 UINT8 SpaceId; 452 UINT16 Hflags; 453 ACPI_ADR_SPACE_HANDLER Handler; 454 ACPI_NAMESPACE_NODE *Node; /* Parent device */ 455 void *Context; 456 ACPI_ADR_SPACE_SETUP Setup; 457 union acpi_operand_object *RegionList; /* regions using this handler */ 458 union acpi_operand_object *Next; 459 460 } ACPI_OBJECT_ADDR_HANDLER; 461 462 463 /****************************************************************************** 464 * 465 * Special internal objects 466 * 467 *****************************************************************************/ 468 469 /* 470 * The Reference object type is used for these opcodes: 471 * Arg[0-6], Local[0-7], IndexOp, NameOp, ZeroOp, OneOp, OnesOp, DebugOp 472 */ 473 typedef struct acpi_object_reference 474 { 475 ACPI_OBJECT_COMMON_HEADER 476 UINT8 TargetType; /* Used for IndexOp */ 477 UINT16 Opcode; 478 UINT32 Offset; /* Used for ArgOp, LocalOp, and IndexOp */ 479 void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */ 480 ACPI_NAMESPACE_NODE *Node; 481 union acpi_operand_object **Where; 482 483 } ACPI_OBJECT_REFERENCE; 484 485 486 /* 487 * Extra object is used as additional storage for types that 488 * have AML code in their declarations (TermArgs) that must be 489 * evaluated at run time. 490 * 491 * Currently: Region and FieldUnit types 492 */ 493 typedef struct acpi_object_extra 494 { 495 ACPI_OBJECT_COMMON_HEADER 496 UINT8 ByteFill1; 497 UINT16 WordFill1; 498 UINT32 AmlLength; 499 UINT8 *AmlStart; 500 ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */ 501 void *RegionContext; /* Region-specific data */ 502 503 } ACPI_OBJECT_EXTRA; 504 505 506 /* Additional data that can be attached to namespace nodes */ 507 508 typedef struct acpi_object_data 509 { 510 ACPI_OBJECT_COMMON_HEADER 511 ACPI_OBJECT_HANDLER Handler; 512 void *Pointer; 513 514 } ACPI_OBJECT_DATA; 515 516 517 /* Structure used when objects are cached for reuse */ 518 519 typedef struct acpi_object_cache_list 520 { 521 ACPI_OBJECT_COMMON_HEADER 522 union acpi_operand_object *Next; /* Link for object cache and internal lists*/ 523 524 } ACPI_OBJECT_CACHE_LIST; 525 526 527 /****************************************************************************** 528 * 529 * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above 530 * 531 *****************************************************************************/ 532 533 typedef union acpi_operand_object 534 { 535 ACPI_OBJECT_COMMON Common; 536 ACPI_OBJECT_INTEGER Integer; 537 ACPI_OBJECT_STRING String; 538 ACPI_OBJECT_BUFFER Buffer; 539 ACPI_OBJECT_PACKAGE Package; 540 ACPI_OBJECT_EVENT Event; 541 ACPI_OBJECT_METHOD Method; 542 ACPI_OBJECT_MUTEX Mutex; 543 ACPI_OBJECT_REGION Region; 544 ACPI_OBJECT_NOTIFY_COMMON CommonNotify; 545 ACPI_OBJECT_DEVICE Device; 546 ACPI_OBJECT_POWER_RESOURCE PowerResource; 547 ACPI_OBJECT_PROCESSOR Processor; 548 ACPI_OBJECT_THERMAL_ZONE ThermalZone; 549 ACPI_OBJECT_FIELD_COMMON CommonField; 550 ACPI_OBJECT_REGION_FIELD Field; 551 ACPI_OBJECT_BUFFER_FIELD BufferField; 552 ACPI_OBJECT_BANK_FIELD BankField; 553 ACPI_OBJECT_INDEX_FIELD IndexField; 554 ACPI_OBJECT_NOTIFY_HANDLER Notify; 555 ACPI_OBJECT_ADDR_HANDLER AddressSpace; 556 ACPI_OBJECT_REFERENCE Reference; 557 ACPI_OBJECT_EXTRA Extra; 558 ACPI_OBJECT_DATA Data; 559 ACPI_OBJECT_CACHE_LIST Cache; 560 561 } ACPI_OPERAND_OBJECT; 562 563 564 /****************************************************************************** 565 * 566 * ACPI_DESCRIPTOR - objects that share a common descriptor identifier 567 * 568 *****************************************************************************/ 569 570 /* Object descriptor types */ 571 572 #define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */ 573 #define ACPI_DESC_TYPE_STATE 0x02 574 #define ACPI_DESC_TYPE_STATE_UPDATE 0x03 575 #define ACPI_DESC_TYPE_STATE_PACKAGE 0x04 576 #define ACPI_DESC_TYPE_STATE_CONTROL 0x05 577 #define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06 578 #define ACPI_DESC_TYPE_STATE_PSCOPE 0x07 579 #define ACPI_DESC_TYPE_STATE_WSCOPE 0x08 580 #define ACPI_DESC_TYPE_STATE_RESULT 0x09 581 #define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A 582 #define ACPI_DESC_TYPE_STATE_THREAD 0x0B 583 #define ACPI_DESC_TYPE_WALK 0x0C 584 #define ACPI_DESC_TYPE_PARSER 0x0D 585 #define ACPI_DESC_TYPE_OPERAND 0x0E 586 #define ACPI_DESC_TYPE_NAMED 0x0F 587 #define ACPI_DESC_TYPE_MAX 0x0F 588 589 590 typedef union acpi_descriptor 591 { 592 UINT8 DescriptorId; /* To differentiate various internal objs */ 593 ACPI_OPERAND_OBJECT Object; 594 ACPI_NAMESPACE_NODE Node; 595 ACPI_PARSE_OBJECT Op; 596 597 } ACPI_DESCRIPTOR; 598 599 600 #endif /* _ACOBJECT_H */ 601