1 /****************************************************************************** 2 * 3 * Name: aclocal.h - Internal data types used across the ACPI subsystem 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2013, 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 __ACLOCAL_H__ 45 #define __ACLOCAL_H__ 46 47 /* acpisrc:struct_defs -- for acpisrc conversion */ 48 49 #define ACPI_SERIALIZED 0xFF 50 51 typedef u32 acpi_mutex_handle; 52 #define ACPI_GLOBAL_LOCK (acpi_semaphore) (-1) 53 54 /* Total number of aml opcodes defined */ 55 56 #define AML_NUM_OPCODES 0x81 57 58 /* Forward declarations */ 59 60 struct acpi_walk_state; 61 struct acpi_obj_mutex; 62 union acpi_parse_object; 63 64 /***************************************************************************** 65 * 66 * Mutex typedefs and structs 67 * 68 ****************************************************************************/ 69 70 /* 71 * Predefined handles for the mutex objects used within the subsystem 72 * All mutex objects are automatically created by acpi_ut_mutex_initialize. 73 * 74 * The acquire/release ordering protocol is implied via this list. Mutexes 75 * with a lower value must be acquired before mutexes with a higher value. 76 * 77 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names 78 * table below also! 79 */ 80 #define ACPI_MTX_INTERPRETER 0 /* AML Interpreter, main lock */ 81 #define ACPI_MTX_NAMESPACE 1 /* ACPI Namespace */ 82 #define ACPI_MTX_TABLES 2 /* Data for ACPI tables */ 83 #define ACPI_MTX_EVENTS 3 /* Data for ACPI events */ 84 #define ACPI_MTX_CACHES 4 /* Internal caches, general purposes */ 85 #define ACPI_MTX_MEMORY 5 /* Debug memory tracking lists */ 86 #define ACPI_MTX_DEBUG_CMD_COMPLETE 6 /* AML debugger */ 87 #define ACPI_MTX_DEBUG_CMD_READY 7 /* AML debugger */ 88 89 #define ACPI_MAX_MUTEX 7 90 #define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1 91 92 /* Lock structure for reader/writer interfaces */ 93 94 struct acpi_rw_lock { 95 acpi_mutex writer_mutex; 96 acpi_mutex reader_mutex; 97 u32 num_readers; 98 }; 99 100 /* 101 * Predefined handles for spinlocks used within the subsystem. 102 * These spinlocks are created by acpi_ut_mutex_initialize 103 */ 104 #define ACPI_LOCK_GPES 0 105 #define ACPI_LOCK_HARDWARE 1 106 107 #define ACPI_MAX_LOCK 1 108 #define ACPI_NUM_LOCK ACPI_MAX_LOCK+1 109 110 /* This Thread ID means that the mutex is not in use (unlocked) */ 111 112 #define ACPI_MUTEX_NOT_ACQUIRED (acpi_thread_id) 0 113 114 /* Table for the global mutexes */ 115 116 struct acpi_mutex_info { 117 acpi_mutex mutex; 118 u32 use_count; 119 acpi_thread_id thread_id; 120 }; 121 122 /* Lock flag parameter for various interfaces */ 123 124 #define ACPI_MTX_DO_NOT_LOCK 0 125 #define ACPI_MTX_LOCK 1 126 127 /* Field access granularities */ 128 129 #define ACPI_FIELD_BYTE_GRANULARITY 1 130 #define ACPI_FIELD_WORD_GRANULARITY 2 131 #define ACPI_FIELD_DWORD_GRANULARITY 4 132 #define ACPI_FIELD_QWORD_GRANULARITY 8 133 134 #define ACPI_ENTRY_NOT_FOUND NULL 135 136 /***************************************************************************** 137 * 138 * Namespace typedefs and structs 139 * 140 ****************************************************************************/ 141 142 /* Operational modes of the AML interpreter/scanner */ 143 144 typedef enum { 145 ACPI_IMODE_LOAD_PASS1 = 0x01, 146 ACPI_IMODE_LOAD_PASS2 = 0x02, 147 ACPI_IMODE_EXECUTE = 0x03 148 } acpi_interpreter_mode; 149 150 /* 151 * The Namespace Node describes a named object that appears in the AML. 152 * descriptor_type is used to differentiate between internal descriptors. 153 * 154 * The node is optimized for both 32-bit and 64-bit platforms: 155 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case. 156 * 157 * Note: The descriptor_type and Type fields must appear in the identical 158 * position in both the struct acpi_namespace_node and union acpi_operand_object 159 * structures. 160 */ 161 struct acpi_namespace_node { 162 union acpi_operand_object *object; /* Interpreter object */ 163 u8 descriptor_type; /* Differentiate object descriptor types */ 164 u8 type; /* ACPI Type associated with this name */ 165 u8 flags; /* Miscellaneous flags */ 166 acpi_owner_id owner_id; /* Node creator */ 167 union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */ 168 struct acpi_namespace_node *parent; /* Parent node */ 169 struct acpi_namespace_node *child; /* First child */ 170 struct acpi_namespace_node *peer; /* First peer */ 171 172 /* 173 * The following fields are used by the ASL compiler and disassembler only 174 */ 175 #ifdef ACPI_LARGE_NAMESPACE_NODE 176 union acpi_parse_object *op; 177 u32 value; 178 u32 length; 179 #endif 180 }; 181 182 /* Namespace Node flags */ 183 184 #define ANOBJ_RESERVED 0x01 /* Available for use */ 185 #define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */ 186 #define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */ 187 #define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ 188 #define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */ 189 #define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */ 190 #define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */ 191 192 #define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */ 193 #define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */ 194 #define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */ 195 #define ANOBJ_IS_REFERENCED 0x80 /* iASL only: Object was referenced */ 196 197 /* Internal ACPI table management - master table list */ 198 199 struct acpi_table_list { 200 struct acpi_table_desc *tables; /* Table descriptor array */ 201 u32 current_table_count; /* Tables currently in the array */ 202 u32 max_table_count; /* Max tables array will hold */ 203 u8 flags; 204 }; 205 206 /* Flags for above */ 207 208 #define ACPI_ROOT_ORIGIN_UNKNOWN (0) /* ~ORIGIN_ALLOCATED */ 209 #define ACPI_ROOT_ORIGIN_ALLOCATED (1) 210 #define ACPI_ROOT_ALLOW_RESIZE (2) 211 212 /* Predefined (fixed) table indexes */ 213 214 #define ACPI_TABLE_INDEX_DSDT (0) 215 #define ACPI_TABLE_INDEX_FACS (1) 216 217 struct acpi_find_context { 218 char *search_for; 219 acpi_handle *list; 220 u32 *count; 221 }; 222 223 struct acpi_ns_search_data { 224 struct acpi_namespace_node *node; 225 }; 226 227 /* Object types used during package copies */ 228 229 #define ACPI_COPY_TYPE_SIMPLE 0 230 #define ACPI_COPY_TYPE_PACKAGE 1 231 232 /* Info structure used to convert external<->internal namestrings */ 233 234 struct acpi_namestring_info { 235 const char *external_name; 236 const char *next_external_char; 237 char *internal_name; 238 u32 length; 239 u32 num_segments; 240 u32 num_carats; 241 u8 fully_qualified; 242 }; 243 244 /* Field creation info */ 245 246 struct acpi_create_field_info { 247 struct acpi_namespace_node *region_node; 248 struct acpi_namespace_node *field_node; 249 struct acpi_namespace_node *register_node; 250 struct acpi_namespace_node *data_register_node; 251 struct acpi_namespace_node *connection_node; 252 u8 *resource_buffer; 253 u32 bank_value; 254 u32 field_bit_position; 255 u32 field_bit_length; 256 u16 resource_length; 257 u8 field_flags; 258 u8 attribute; 259 u8 field_type; 260 u8 access_length; 261 }; 262 263 typedef 264 acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state); 265 266 /* 267 * Bitmapped ACPI types. Used internally only 268 */ 269 #define ACPI_BTYPE_ANY 0x00000000 270 #define ACPI_BTYPE_INTEGER 0x00000001 271 #define ACPI_BTYPE_STRING 0x00000002 272 #define ACPI_BTYPE_BUFFER 0x00000004 273 #define ACPI_BTYPE_PACKAGE 0x00000008 274 #define ACPI_BTYPE_FIELD_UNIT 0x00000010 275 #define ACPI_BTYPE_DEVICE 0x00000020 276 #define ACPI_BTYPE_EVENT 0x00000040 277 #define ACPI_BTYPE_METHOD 0x00000080 278 #define ACPI_BTYPE_MUTEX 0x00000100 279 #define ACPI_BTYPE_REGION 0x00000200 280 #define ACPI_BTYPE_POWER 0x00000400 281 #define ACPI_BTYPE_PROCESSOR 0x00000800 282 #define ACPI_BTYPE_THERMAL 0x00001000 283 #define ACPI_BTYPE_BUFFER_FIELD 0x00002000 284 #define ACPI_BTYPE_DDB_HANDLE 0x00004000 285 #define ACPI_BTYPE_DEBUG_OBJECT 0x00008000 286 #define ACPI_BTYPE_REFERENCE 0x00010000 287 #define ACPI_BTYPE_RESOURCE 0x00020000 288 289 #define ACPI_BTYPE_COMPUTE_DATA (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER) 290 291 #define ACPI_BTYPE_DATA (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_PACKAGE) 292 #define ACPI_BTYPE_DATA_REFERENCE (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE) 293 #define ACPI_BTYPE_DEVICE_OBJECTS (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR) 294 #define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */ 295 #define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF 296 297 /* 298 * Information structure for ACPI predefined names. 299 * Each entry in the table contains the following items: 300 * 301 * name - The ACPI reserved name 302 * param_count - Number of arguments to the method 303 * expected_return_btypes - Allowed type(s) for the return value 304 */ 305 struct acpi_name_info { 306 char name[ACPI_NAME_SIZE]; 307 u8 param_count; 308 u8 expected_btypes; 309 }; 310 311 /* 312 * Secondary information structures for ACPI predefined objects that return 313 * package objects. This structure appears as the next entry in the table 314 * after the NAME_INFO structure above. 315 * 316 * The reason for this is to minimize the size of the predefined name table. 317 */ 318 319 /* 320 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2, 321 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT, 322 * ACPI_PTYPE2_FIX_VAR 323 */ 324 struct acpi_package_info { 325 u8 type; 326 u8 object_type1; 327 u8 count1; 328 u8 object_type2; 329 u8 count2; 330 u8 reserved; 331 }; 332 333 /* Used for ACPI_PTYPE2_FIXED */ 334 335 struct acpi_package_info2 { 336 u8 type; 337 u8 count; 338 u8 object_type[4]; 339 }; 340 341 /* Used for ACPI_PTYPE1_OPTION */ 342 343 struct acpi_package_info3 { 344 u8 type; 345 u8 count; 346 u8 object_type[2]; 347 u8 tail_object_type; 348 u8 reserved; 349 }; 350 351 union acpi_predefined_info { 352 struct acpi_name_info info; 353 struct acpi_package_info ret_info; 354 struct acpi_package_info2 ret_info2; 355 struct acpi_package_info3 ret_info3; 356 }; 357 358 /* Data block used during object validation */ 359 360 struct acpi_predefined_data { 361 char *pathname; 362 const union acpi_predefined_info *predefined; 363 union acpi_operand_object *parent_package; 364 struct acpi_namespace_node *node; 365 u32 flags; 366 u8 node_flags; 367 }; 368 369 /* Defines for Flags field above */ 370 371 #define ACPI_OBJECT_REPAIRED 1 372 #define ACPI_OBJECT_WRAPPED 2 373 374 /* 375 * Bitmapped return value types 376 * Note: the actual data types must be contiguous, a loop in nspredef.c 377 * depends on this. 378 */ 379 #define ACPI_RTYPE_ANY 0x00 380 #define ACPI_RTYPE_NONE 0x01 381 #define ACPI_RTYPE_INTEGER 0x02 382 #define ACPI_RTYPE_STRING 0x04 383 #define ACPI_RTYPE_BUFFER 0x08 384 #define ACPI_RTYPE_PACKAGE 0x10 385 #define ACPI_RTYPE_REFERENCE 0x20 386 #define ACPI_RTYPE_ALL 0x3F 387 388 #define ACPI_NUM_RTYPES 5 /* Number of actual object types */ 389 390 /***************************************************************************** 391 * 392 * Event typedefs and structs 393 * 394 ****************************************************************************/ 395 396 /* Dispatch info for each GPE -- either a method or handler, cannot be both */ 397 398 struct acpi_gpe_handler_info { 399 acpi_gpe_handler address; /* Address of handler, if any */ 400 void *context; /* Context to be passed to handler */ 401 struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */ 402 u8 original_flags; /* Original (pre-handler) GPE info */ 403 u8 originally_enabled; /* True if GPE was originally enabled */ 404 }; 405 406 /* Notify info for implicit notify, multiple device objects */ 407 408 struct acpi_gpe_notify_info { 409 struct acpi_namespace_node *device_node; /* Device to be notified */ 410 struct acpi_gpe_notify_info *next; 411 }; 412 413 /* 414 * GPE dispatch info. At any time, the GPE can have at most one type 415 * of dispatch - Method, Handler, or Implicit Notify. 416 */ 417 union acpi_gpe_dispatch_info { 418 struct acpi_namespace_node *method_node; /* Method node for this GPE level */ 419 struct acpi_gpe_handler_info *handler; /* Installed GPE handler */ 420 struct acpi_gpe_notify_info *notify_list; /* List of _PRW devices for implicit notifies */ 421 }; 422 423 /* 424 * Information about a GPE, one per each GPE in an array. 425 * NOTE: Important to keep this struct as small as possible. 426 */ 427 struct acpi_gpe_event_info { 428 union acpi_gpe_dispatch_info dispatch; /* Either Method, Handler, or notify_list */ 429 struct acpi_gpe_register_info *register_info; /* Backpointer to register info */ 430 u8 flags; /* Misc info about this GPE */ 431 u8 gpe_number; /* This GPE */ 432 u8 runtime_count; /* References to a run GPE */ 433 }; 434 435 /* Information about a GPE register pair, one per each status/enable pair in an array */ 436 437 struct acpi_gpe_register_info { 438 struct acpi_generic_address status_address; /* Address of status reg */ 439 struct acpi_generic_address enable_address; /* Address of enable reg */ 440 u8 enable_for_wake; /* GPEs to keep enabled when sleeping */ 441 u8 enable_for_run; /* GPEs to keep enabled when running */ 442 u8 base_gpe_number; /* Base GPE number for this register */ 443 }; 444 445 /* 446 * Information about a GPE register block, one per each installed block -- 447 * GPE0, GPE1, and one per each installed GPE Block Device. 448 */ 449 struct acpi_gpe_block_info { 450 struct acpi_namespace_node *node; 451 struct acpi_gpe_block_info *previous; 452 struct acpi_gpe_block_info *next; 453 struct acpi_gpe_xrupt_info *xrupt_block; /* Backpointer to interrupt block */ 454 struct acpi_gpe_register_info *register_info; /* One per GPE register pair */ 455 struct acpi_gpe_event_info *event_info; /* One for each GPE */ 456 struct acpi_generic_address block_address; /* Base address of the block */ 457 u32 register_count; /* Number of register pairs in block */ 458 u16 gpe_count; /* Number of individual GPEs in block */ 459 u8 block_base_number; /* Base GPE number for this block */ 460 u8 initialized; /* TRUE if this block is initialized */ 461 }; 462 463 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */ 464 465 struct acpi_gpe_xrupt_info { 466 struct acpi_gpe_xrupt_info *previous; 467 struct acpi_gpe_xrupt_info *next; 468 struct acpi_gpe_block_info *gpe_block_list_head; /* List of GPE blocks for this xrupt */ 469 u32 interrupt_number; /* System interrupt number */ 470 }; 471 472 struct acpi_gpe_walk_info { 473 struct acpi_namespace_node *gpe_device; 474 struct acpi_gpe_block_info *gpe_block; 475 u16 count; 476 acpi_owner_id owner_id; 477 u8 execute_by_owner_id; 478 }; 479 480 struct acpi_gpe_device_info { 481 u32 index; 482 u32 next_block_base_index; 483 acpi_status status; 484 struct acpi_namespace_node *gpe_device; 485 }; 486 487 typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * 488 gpe_xrupt_info, 489 struct acpi_gpe_block_info *gpe_block, 490 void *context); 491 492 /* Information about each particular fixed event */ 493 494 struct acpi_fixed_event_handler { 495 acpi_event_handler handler; /* Address of handler. */ 496 void *context; /* Context to be passed to handler */ 497 }; 498 499 struct acpi_fixed_event_info { 500 u8 status_register_id; 501 u8 enable_register_id; 502 u16 status_bit_mask; 503 u16 enable_bit_mask; 504 }; 505 506 /* Information used during field processing */ 507 508 struct acpi_field_info { 509 u8 skip_field; 510 u8 field_flag; 511 u32 pkg_length; 512 }; 513 514 /***************************************************************************** 515 * 516 * Generic "state" object for stacks 517 * 518 ****************************************************************************/ 519 520 #define ACPI_CONTROL_NORMAL 0xC0 521 #define ACPI_CONTROL_CONDITIONAL_EXECUTING 0xC1 522 #define ACPI_CONTROL_PREDICATE_EXECUTING 0xC2 523 #define ACPI_CONTROL_PREDICATE_FALSE 0xC3 524 #define ACPI_CONTROL_PREDICATE_TRUE 0xC4 525 526 #define ACPI_STATE_COMMON \ 527 void *next; \ 528 u8 descriptor_type; /* To differentiate various internal objs */\ 529 u8 flags; \ 530 u16 value; \ 531 u16 state; 532 533 /* There are 2 bytes available here until the next natural alignment boundary */ 534 535 struct acpi_common_state { 536 ACPI_STATE_COMMON}; 537 538 /* 539 * Update state - used to traverse complex objects such as packages 540 */ 541 struct acpi_update_state { 542 ACPI_STATE_COMMON union acpi_operand_object *object; 543 }; 544 545 /* 546 * Pkg state - used to traverse nested package structures 547 */ 548 struct acpi_pkg_state { 549 ACPI_STATE_COMMON u16 index; 550 union acpi_operand_object *source_object; 551 union acpi_operand_object *dest_object; 552 struct acpi_walk_state *walk_state; 553 void *this_target_obj; 554 u32 num_packages; 555 }; 556 557 /* 558 * Control state - one per if/else and while constructs. 559 * Allows nesting of these constructs 560 */ 561 struct acpi_control_state { 562 ACPI_STATE_COMMON u16 opcode; 563 union acpi_parse_object *predicate_op; 564 u8 *aml_predicate_start; /* Start of if/while predicate */ 565 u8 *package_end; /* End of if/while block */ 566 u32 loop_count; /* While() loop counter */ 567 }; 568 569 /* 570 * Scope state - current scope during namespace lookups 571 */ 572 struct acpi_scope_state { 573 ACPI_STATE_COMMON struct acpi_namespace_node *node; 574 }; 575 576 struct acpi_pscope_state { 577 ACPI_STATE_COMMON u32 arg_count; /* Number of fixed arguments */ 578 union acpi_parse_object *op; /* Current op being parsed */ 579 u8 *arg_end; /* Current argument end */ 580 u8 *pkg_end; /* Current package end */ 581 u32 arg_list; /* Next argument to parse */ 582 }; 583 584 /* 585 * Thread state - one per thread across multiple walk states. Multiple walk 586 * states are created when there are nested control methods executing. 587 */ 588 struct acpi_thread_state { 589 ACPI_STATE_COMMON u8 current_sync_level; /* Mutex Sync (nested acquire) level */ 590 struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */ 591 union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */ 592 acpi_thread_id thread_id; /* Running thread ID */ 593 }; 594 595 /* 596 * Result values - used to accumulate the results of nested 597 * AML arguments 598 */ 599 struct acpi_result_values { 600 ACPI_STATE_COMMON 601 union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM]; 602 }; 603 604 typedef 605 acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, 606 union acpi_parse_object ** out_op); 607 608 typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); 609 610 /* Global handlers for AML Notifies */ 611 612 struct acpi_global_notify_handler { 613 acpi_notify_handler handler; 614 void *context; 615 }; 616 617 /* 618 * Notify info - used to pass info to the deferred notify 619 * handler/dispatcher. 620 */ 621 struct acpi_notify_info { 622 ACPI_STATE_COMMON u8 handler_list_id; 623 struct acpi_namespace_node *node; 624 union acpi_operand_object *handler_list_head; 625 struct acpi_global_notify_handler *global; 626 }; 627 628 /* Generic state is union of structs above */ 629 630 union acpi_generic_state { 631 struct acpi_common_state common; 632 struct acpi_control_state control; 633 struct acpi_update_state update; 634 struct acpi_scope_state scope; 635 struct acpi_pscope_state parse_scope; 636 struct acpi_pkg_state pkg; 637 struct acpi_thread_state thread; 638 struct acpi_result_values results; 639 struct acpi_notify_info notify; 640 }; 641 642 /***************************************************************************** 643 * 644 * Interpreter typedefs and structs 645 * 646 ****************************************************************************/ 647 648 typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state); 649 650 /* Address Range info block */ 651 652 struct acpi_address_range { 653 struct acpi_address_range *next; 654 struct acpi_namespace_node *region_node; 655 acpi_physical_address start_address; 656 acpi_physical_address end_address; 657 }; 658 659 /***************************************************************************** 660 * 661 * Parser typedefs and structs 662 * 663 ****************************************************************************/ 664 665 /* 666 * AML opcode, name, and argument layout 667 */ 668 struct acpi_opcode_info { 669 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) 670 char *name; /* Opcode name (disassembler/debug only) */ 671 #endif 672 u32 parse_args; /* Grammar/Parse time arguments */ 673 u32 runtime_args; /* Interpret time arguments */ 674 u16 flags; /* Misc flags */ 675 u8 object_type; /* Corresponding internal object type */ 676 u8 class; /* Opcode class */ 677 u8 type; /* Opcode type */ 678 }; 679 680 /* Value associated with the parse object */ 681 682 union acpi_parse_value { 683 u64 integer; /* Integer constant (Up to 64 bits) */ 684 u32 size; /* bytelist or field size */ 685 char *string; /* NULL terminated string */ 686 u8 *buffer; /* buffer or string */ 687 char *name; /* NULL terminated string */ 688 union acpi_parse_object *arg; /* arguments and contained ops */ 689 }; 690 691 #ifdef ACPI_DISASSEMBLER 692 #define ACPI_DISASM_ONLY_MEMBERS(a) a; 693 #else 694 #define ACPI_DISASM_ONLY_MEMBERS(a) 695 #endif 696 697 #define ACPI_PARSE_COMMON \ 698 union acpi_parse_object *parent; /* Parent op */\ 699 u8 descriptor_type; /* To differentiate various internal objs */\ 700 u8 flags; /* Type of Op */\ 701 u16 aml_opcode; /* AML opcode */\ 702 u32 aml_offset; /* Offset of declaration in AML */\ 703 union acpi_parse_object *next; /* Next op */\ 704 struct acpi_namespace_node *node; /* For use by interpreter */\ 705 union acpi_parse_value value; /* Value or args associated with the opcode */\ 706 u8 arg_list_length; /* Number of elements in the arg list */\ 707 ACPI_DISASM_ONLY_MEMBERS (\ 708 u8 disasm_flags; /* Used during AML disassembly */\ 709 u8 disasm_opcode; /* Subtype used for disassembly */\ 710 char aml_op_name[16]) /* Op name (debug only) */ 711 712 /* Flags for disasm_flags field above */ 713 714 #define ACPI_DASM_BUFFER 0x00 /* Buffer is a simple data buffer */ 715 #define ACPI_DASM_RESOURCE 0x01 /* Buffer is a Resource Descriptor */ 716 #define ACPI_DASM_STRING 0x02 /* Buffer is a ASCII string */ 717 #define ACPI_DASM_UNICODE 0x03 /* Buffer is a Unicode string */ 718 #define ACPI_DASM_PLD_METHOD 0x04 /* Buffer is a _PLD method bit-packed buffer */ 719 #define ACPI_DASM_EISAID 0x05 /* Integer is an EISAID */ 720 #define ACPI_DASM_MATCHOP 0x06 /* Parent opcode is a Match() operator */ 721 #define ACPI_DASM_LNOT_PREFIX 0x07 /* Start of a Lnot_equal (etc.) pair of opcodes */ 722 #define ACPI_DASM_LNOT_SUFFIX 0x08 /* End of a Lnot_equal (etc.) pair of opcodes */ 723 #define ACPI_DASM_IGNORE 0x09 /* Not used at this time */ 724 725 /* 726 * Generic operation (for example: If, While, Store) 727 */ 728 struct acpi_parse_obj_common { 729 ACPI_PARSE_COMMON}; 730 731 /* 732 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions), 733 * and bytelists. 734 */ 735 struct acpi_parse_obj_named { 736 ACPI_PARSE_COMMON u8 *path; 737 u8 *data; /* AML body or bytelist data */ 738 u32 length; /* AML length */ 739 u32 name; /* 4-byte name or zero if no name */ 740 }; 741 742 /* This version is used by the iASL compiler only */ 743 744 #define ACPI_MAX_PARSEOP_NAME 20 745 746 struct acpi_parse_obj_asl { 747 ACPI_PARSE_COMMON union acpi_parse_object *child; 748 union acpi_parse_object *parent_method; 749 char *filename; 750 char *external_name; 751 char *namepath; 752 char name_seg[4]; 753 u32 extra_value; 754 u32 column; 755 u32 line_number; 756 u32 logical_line_number; 757 u32 logical_byte_offset; 758 u32 end_line; 759 u32 end_logical_line; 760 u32 acpi_btype; 761 u32 aml_length; 762 u32 aml_subtree_length; 763 u32 final_aml_length; 764 u32 final_aml_offset; 765 u32 compile_flags; 766 u16 parse_opcode; 767 u8 aml_opcode_length; 768 u8 aml_pkg_len_bytes; 769 u8 extra; 770 char parse_op_name[ACPI_MAX_PARSEOP_NAME]; 771 }; 772 773 union acpi_parse_object { 774 struct acpi_parse_obj_common common; 775 struct acpi_parse_obj_named named; 776 struct acpi_parse_obj_asl asl; 777 }; 778 779 /* 780 * Parse state - one state per parser invocation and each control 781 * method. 782 */ 783 struct acpi_parse_state { 784 u8 *aml_start; /* First AML byte */ 785 u8 *aml; /* Next AML byte */ 786 u8 *aml_end; /* (last + 1) AML byte */ 787 u8 *pkg_start; /* Current package begin */ 788 u8 *pkg_end; /* Current package end */ 789 union acpi_parse_object *start_op; /* Root of parse tree */ 790 struct acpi_namespace_node *start_node; 791 union acpi_generic_state *scope; /* Current scope */ 792 union acpi_parse_object *start_scope; 793 u32 aml_size; 794 }; 795 796 /* Parse object flags */ 797 798 #define ACPI_PARSEOP_GENERIC 0x01 799 #define ACPI_PARSEOP_NAMED 0x02 800 #define ACPI_PARSEOP_DEFERRED 0x04 801 #define ACPI_PARSEOP_BYTELIST 0x08 802 #define ACPI_PARSEOP_IN_STACK 0x10 803 #define ACPI_PARSEOP_TARGET 0x20 804 #define ACPI_PARSEOP_IN_CACHE 0x80 805 806 /* Parse object disasm_flags */ 807 808 #define ACPI_PARSEOP_IGNORE 0x01 809 #define ACPI_PARSEOP_PARAMLIST 0x02 810 #define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 811 #define ACPI_PARSEOP_PREDEF_CHECKED 0x08 812 #define ACPI_PARSEOP_SPECIAL 0x10 813 814 /***************************************************************************** 815 * 816 * Hardware (ACPI registers) and PNP 817 * 818 ****************************************************************************/ 819 820 struct acpi_bit_register_info { 821 u8 parent_register; 822 u8 bit_position; 823 u16 access_bit_mask; 824 }; 825 826 /* 827 * Some ACPI registers have bits that must be ignored -- meaning that they 828 * must be preserved. 829 */ 830 #define ACPI_PM1_STATUS_PRESERVED_BITS 0x0800 /* Bit 11 */ 831 832 /* Write-only bits must be zeroed by software */ 833 834 #define ACPI_PM1_CONTROL_WRITEONLY_BITS 0x2004 /* Bits 13, 2 */ 835 836 /* For control registers, both ignored and reserved bits must be preserved */ 837 838 /* 839 * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the 840 * ACPI specification to be a "preserved" bit - "OSPM always preserves this 841 * bit position", section 4.7.3.2.1. However, on some machines the OS must 842 * write a one to this bit after resume for the machine to work properly. 843 * To enable this, we no longer attempt to preserve this bit. No machines 844 * are known to fail if the bit is not preserved. (May 2009) 845 */ 846 #define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bit 9 */ 847 #define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */ 848 #define ACPI_PM1_CONTROL_PRESERVED_BITS \ 849 (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS) 850 851 #define ACPI_PM2_CONTROL_PRESERVED_BITS 0xFFFFFFFE /* All except bit 0 */ 852 853 /* 854 * Register IDs 855 * These are the full ACPI registers 856 */ 857 #define ACPI_REGISTER_PM1_STATUS 0x01 858 #define ACPI_REGISTER_PM1_ENABLE 0x02 859 #define ACPI_REGISTER_PM1_CONTROL 0x03 860 #define ACPI_REGISTER_PM2_CONTROL 0x04 861 #define ACPI_REGISTER_PM_TIMER 0x05 862 #define ACPI_REGISTER_PROCESSOR_BLOCK 0x06 863 #define ACPI_REGISTER_SMI_COMMAND_BLOCK 0x07 864 865 /* Masks used to access the bit_registers */ 866 867 #define ACPI_BITMASK_TIMER_STATUS 0x0001 868 #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010 869 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020 870 #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100 871 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200 872 #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400 873 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */ 874 #define ACPI_BITMASK_WAKE_STATUS 0x8000 875 876 #define ACPI_BITMASK_ALL_FIXED_STATUS (\ 877 ACPI_BITMASK_TIMER_STATUS | \ 878 ACPI_BITMASK_BUS_MASTER_STATUS | \ 879 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \ 880 ACPI_BITMASK_POWER_BUTTON_STATUS | \ 881 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \ 882 ACPI_BITMASK_RT_CLOCK_STATUS | \ 883 ACPI_BITMASK_PCIEXP_WAKE_STATUS | \ 884 ACPI_BITMASK_WAKE_STATUS) 885 886 #define ACPI_BITMASK_TIMER_ENABLE 0x0001 887 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020 888 #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100 889 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200 890 #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400 891 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */ 892 893 #define ACPI_BITMASK_SCI_ENABLE 0x0001 894 #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002 895 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004 896 #define ACPI_BITMASK_SLEEP_TYPE 0x1C00 897 #define ACPI_BITMASK_SLEEP_ENABLE 0x2000 898 899 #define ACPI_BITMASK_ARB_DISABLE 0x0001 900 901 /* Raw bit position of each bit_register */ 902 903 #define ACPI_BITPOSITION_TIMER_STATUS 0x00 904 #define ACPI_BITPOSITION_BUS_MASTER_STATUS 0x04 905 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS 0x05 906 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS 0x08 907 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS 0x09 908 #define ACPI_BITPOSITION_RT_CLOCK_STATUS 0x0A 909 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS 0x0E /* ACPI 3.0 */ 910 #define ACPI_BITPOSITION_WAKE_STATUS 0x0F 911 912 #define ACPI_BITPOSITION_TIMER_ENABLE 0x00 913 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE 0x05 914 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE 0x08 915 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE 0x09 916 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE 0x0A 917 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE 0x0E /* ACPI 3.0 */ 918 919 #define ACPI_BITPOSITION_SCI_ENABLE 0x00 920 #define ACPI_BITPOSITION_BUS_MASTER_RLD 0x01 921 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE 0x02 922 #define ACPI_BITPOSITION_SLEEP_TYPE 0x0A 923 #define ACPI_BITPOSITION_SLEEP_ENABLE 0x0D 924 925 #define ACPI_BITPOSITION_ARB_DISABLE 0x00 926 927 /* Structs and definitions for _OSI support and I/O port validation */ 928 929 #define ACPI_OSI_WIN_2000 0x01 930 #define ACPI_OSI_WIN_XP 0x02 931 #define ACPI_OSI_WIN_XP_SP1 0x03 932 #define ACPI_OSI_WINSRV_2003 0x04 933 #define ACPI_OSI_WIN_XP_SP2 0x05 934 #define ACPI_OSI_WINSRV_2003_SP1 0x06 935 #define ACPI_OSI_WIN_VISTA 0x07 936 #define ACPI_OSI_WINSRV_2008 0x08 937 #define ACPI_OSI_WIN_VISTA_SP1 0x09 938 #define ACPI_OSI_WIN_VISTA_SP2 0x0A 939 #define ACPI_OSI_WIN_7 0x0B 940 #define ACPI_OSI_WIN_8 0x0C 941 942 #define ACPI_ALWAYS_ILLEGAL 0x00 943 944 struct acpi_interface_info { 945 char *name; 946 struct acpi_interface_info *next; 947 u8 flags; 948 u8 value; 949 }; 950 951 #define ACPI_OSI_INVALID 0x01 952 #define ACPI_OSI_DYNAMIC 0x02 953 954 struct acpi_port_info { 955 char *name; 956 u16 start; 957 u16 end; 958 u8 osi_dependency; 959 }; 960 961 /***************************************************************************** 962 * 963 * Resource descriptors 964 * 965 ****************************************************************************/ 966 967 /* resource_type values */ 968 969 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE 0 970 #define ACPI_ADDRESS_TYPE_IO_RANGE 1 971 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE 2 972 973 /* Resource descriptor types and masks */ 974 975 #define ACPI_RESOURCE_NAME_LARGE 0x80 976 #define ACPI_RESOURCE_NAME_SMALL 0x00 977 978 #define ACPI_RESOURCE_NAME_SMALL_MASK 0x78 /* Bits 6:3 contain the type */ 979 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK 0x07 /* Bits 2:0 contain the length */ 980 #define ACPI_RESOURCE_NAME_LARGE_MASK 0x7F /* Bits 6:0 contain the type */ 981 982 /* 983 * Small resource descriptor "names" as defined by the ACPI specification. 984 * Note: Bits 2:0 are used for the descriptor length 985 */ 986 #define ACPI_RESOURCE_NAME_IRQ 0x20 987 #define ACPI_RESOURCE_NAME_DMA 0x28 988 #define ACPI_RESOURCE_NAME_START_DEPENDENT 0x30 989 #define ACPI_RESOURCE_NAME_END_DEPENDENT 0x38 990 #define ACPI_RESOURCE_NAME_IO 0x40 991 #define ACPI_RESOURCE_NAME_FIXED_IO 0x48 992 #define ACPI_RESOURCE_NAME_FIXED_DMA 0x50 993 #define ACPI_RESOURCE_NAME_RESERVED_S2 0x58 994 #define ACPI_RESOURCE_NAME_RESERVED_S3 0x60 995 #define ACPI_RESOURCE_NAME_RESERVED_S4 0x68 996 #define ACPI_RESOURCE_NAME_VENDOR_SMALL 0x70 997 #define ACPI_RESOURCE_NAME_END_TAG 0x78 998 999 /* 1000 * Large resource descriptor "names" as defined by the ACPI specification. 1001 * Note: includes the Large Descriptor bit in bit[7] 1002 */ 1003 #define ACPI_RESOURCE_NAME_MEMORY24 0x81 1004 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER 0x82 1005 #define ACPI_RESOURCE_NAME_RESERVED_L1 0x83 1006 #define ACPI_RESOURCE_NAME_VENDOR_LARGE 0x84 1007 #define ACPI_RESOURCE_NAME_MEMORY32 0x85 1008 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32 0x86 1009 #define ACPI_RESOURCE_NAME_ADDRESS32 0x87 1010 #define ACPI_RESOURCE_NAME_ADDRESS16 0x88 1011 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ 0x89 1012 #define ACPI_RESOURCE_NAME_ADDRESS64 0x8A 1013 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 0x8B 1014 #define ACPI_RESOURCE_NAME_GPIO 0x8C 1015 #define ACPI_RESOURCE_NAME_SERIAL_BUS 0x8E 1016 #define ACPI_RESOURCE_NAME_LARGE_MAX 0x8E 1017 1018 /***************************************************************************** 1019 * 1020 * Miscellaneous 1021 * 1022 ****************************************************************************/ 1023 1024 #define ACPI_ASCII_ZERO 0x30 1025 1026 /***************************************************************************** 1027 * 1028 * Disassembler 1029 * 1030 ****************************************************************************/ 1031 1032 struct acpi_external_list { 1033 char *path; 1034 char *internal_path; 1035 struct acpi_external_list *next; 1036 u32 value; 1037 u16 length; 1038 u8 type; 1039 u8 flags; 1040 }; 1041 1042 /* Values for Flags field above */ 1043 1044 #define ACPI_IPATH_ALLOCATED 0x01 1045 1046 struct acpi_external_file { 1047 char *path; 1048 struct acpi_external_file *next; 1049 }; 1050 1051 /***************************************************************************** 1052 * 1053 * Debugger 1054 * 1055 ****************************************************************************/ 1056 1057 struct acpi_db_method_info { 1058 acpi_handle method; 1059 acpi_handle main_thread_gate; 1060 acpi_handle thread_complete_gate; 1061 acpi_handle info_gate; 1062 acpi_thread_id *threads; 1063 u32 num_threads; 1064 u32 num_created; 1065 u32 num_completed; 1066 1067 char *name; 1068 u32 flags; 1069 u32 num_loops; 1070 char pathname[128]; 1071 char **args; 1072 acpi_object_type *types; 1073 1074 /* 1075 * Arguments to be passed to method for the command 1076 * Threads - 1077 * the Number of threads, ID of current thread and 1078 * Index of current thread inside all them created. 1079 */ 1080 char init_args; 1081 char *arguments[4]; 1082 char num_threads_str[11]; 1083 char id_of_thread_str[11]; 1084 char index_of_thread_str[11]; 1085 }; 1086 1087 struct acpi_integrity_info { 1088 u32 nodes; 1089 u32 objects; 1090 }; 1091 1092 #define ACPI_DB_REDIRECTABLE_OUTPUT 0x01 1093 #define ACPI_DB_CONSOLE_OUTPUT 0x02 1094 #define ACPI_DB_DUPLICATE_OUTPUT 0x03 1095 1096 /***************************************************************************** 1097 * 1098 * Debug 1099 * 1100 ****************************************************************************/ 1101 1102 /* Entry for a memory allocation (debug only) */ 1103 1104 #define ACPI_MEM_MALLOC 0 1105 #define ACPI_MEM_CALLOC 1 1106 #define ACPI_MAX_MODULE_NAME 16 1107 1108 #define ACPI_COMMON_DEBUG_MEM_HEADER \ 1109 struct acpi_debug_mem_block *previous; \ 1110 struct acpi_debug_mem_block *next; \ 1111 u32 size; \ 1112 u32 component; \ 1113 u32 line; \ 1114 char module[ACPI_MAX_MODULE_NAME]; \ 1115 u8 alloc_type; 1116 1117 struct acpi_debug_mem_header { 1118 ACPI_COMMON_DEBUG_MEM_HEADER}; 1119 1120 struct acpi_debug_mem_block { 1121 ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space; 1122 }; 1123 1124 #define ACPI_MEM_LIST_GLOBAL 0 1125 #define ACPI_MEM_LIST_NSNODE 1 1126 #define ACPI_MEM_LIST_MAX 1 1127 #define ACPI_NUM_MEM_LISTS 2 1128 1129 /***************************************************************************** 1130 * 1131 * Info/help support 1132 * 1133 ****************************************************************************/ 1134 1135 struct ah_predefined_name { 1136 char *name; 1137 char *description; 1138 #ifndef ACPI_ASL_COMPILER 1139 char *action; 1140 #endif 1141 }; 1142 1143 #endif /* __ACLOCAL_H__ */ 1144