1 /****************************************************************************** 2 * 3 * Name: actypes.h - Common data types for the entire ACPI subsystem 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2008, 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 __ACTYPES_H__ 45 #define __ACTYPES_H__ 46 47 /* acpisrc:struct_defs -- for acpisrc conversion */ 48 49 /* 50 * ACPI_MACHINE_WIDTH must be specified in an OS- or compiler-dependent header 51 * and must be either 32 or 64. 16-bit ACPICA is no longer supported, as of 52 * 12/2006. 53 */ 54 #ifndef ACPI_MACHINE_WIDTH 55 #error ACPI_MACHINE_WIDTH not defined 56 #endif 57 58 /*! [Begin] no source code translation */ 59 60 /* 61 * Data type ranges 62 * Note: These macros are designed to be compiler independent as well as 63 * working around problems that some 32-bit compilers have with 64-bit 64 * constants. 65 */ 66 #define ACPI_UINT8_MAX (UINT8) (~((UINT8) 0)) /* 0xFF */ 67 #define ACPI_UINT16_MAX (UINT16)(~((UINT16) 0)) /* 0xFFFF */ 68 #define ACPI_UINT32_MAX (UINT32)(~((UINT32) 0)) /* 0xFFFFFFFF */ 69 #define ACPI_UINT64_MAX (UINT64)(~((UINT64) 0)) /* 0xFFFFFFFFFFFFFFFF */ 70 #define ACPI_ASCII_MAX 0x7F 71 72 /* 73 * Architecture-specific ACPICA Subsystem Data Types 74 * 75 * The goal of these types is to provide source code portability across 76 * 16-bit, 32-bit, and 64-bit targets. 77 * 78 * 1) The following types are of fixed size for all targets (16/32/64): 79 * 80 * BOOLEAN Logical boolean 81 * 82 * UINT8 8-bit (1 byte) unsigned value 83 * UINT16 16-bit (2 byte) unsigned value 84 * UINT32 32-bit (4 byte) unsigned value 85 * UINT64 64-bit (8 byte) unsigned value 86 * 87 * INT16 16-bit (2 byte) signed value 88 * INT32 32-bit (4 byte) signed value 89 * INT64 64-bit (8 byte) signed value 90 * 91 * COMPILER_DEPENDENT_UINT64/INT64 - These types are defined in the 92 * compiler-dependent header(s) and were introduced because there is no common 93 * 64-bit integer type across the various compilation models, as shown in 94 * the table below. 95 * 96 * Datatype LP64 ILP64 LLP64 ILP32 LP32 16bit 97 * char 8 8 8 8 8 8 98 * short 16 16 16 16 16 16 99 * _int32 32 100 * int 32 64 32 32 16 16 101 * long 64 64 32 32 32 32 102 * long long 64 64 103 * pointer 64 64 64 32 32 32 104 * 105 * Note: ILP64 and LP32 are currently not supported. 106 * 107 * 108 * 2) These types represent the native word size of the target mode of the 109 * processor, and may be 16-bit, 32-bit, or 64-bit as required. They are 110 * usually used for memory allocation, efficient loop counters, and array 111 * indexes. The types are similar to the size_t type in the C library and are 112 * required because there is no C type that consistently represents the native 113 * data width. ACPI_SIZE is needed because there is no guarantee that a 114 * kernel-level C library is present. 115 * 116 * ACPI_SIZE 16/32/64-bit unsigned value 117 * ACPI_NATIVE_INT 16/32/64-bit signed value 118 * 119 */ 120 121 /******************************************************************************* 122 * 123 * Common types for all compilers, all targets 124 * 125 ******************************************************************************/ 126 127 typedef unsigned char BOOLEAN; 128 typedef unsigned char UINT8; 129 typedef unsigned short UINT16; 130 typedef COMPILER_DEPENDENT_UINT64 UINT64; 131 typedef COMPILER_DEPENDENT_INT64 INT64; 132 133 /*! [End] no source code translation !*/ 134 135 /******************************************************************************* 136 * 137 * Types specific to 64-bit targets 138 * 139 ******************************************************************************/ 140 141 #if ACPI_MACHINE_WIDTH == 64 142 143 /*! [Begin] no source code translation (keep the typedefs as-is) */ 144 145 typedef unsigned int UINT32; 146 typedef int INT32; 147 148 /*! [End] no source code translation !*/ 149 150 typedef s64 acpi_native_int; 151 152 typedef u64 acpi_size; 153 typedef u64 acpi_io_address; 154 typedef u64 acpi_physical_address; 155 156 #define ACPI_MAX_PTR ACPI_UINT64_MAX 157 #define ACPI_SIZE_MAX ACPI_UINT64_MAX 158 159 #define ACPI_USE_NATIVE_DIVIDE /* Has native 64-bit integer support */ 160 161 /* 162 * In the case of the Itanium Processor Family (IPF), the hardware does not 163 * support misaligned memory transfers. Set the MISALIGNMENT_NOT_SUPPORTED flag 164 * to indicate that special precautions must be taken to avoid alignment faults. 165 * (IA64 or ia64 is currently used by existing compilers to indicate IPF.) 166 * 167 * Note: Em64_t and other X86-64 processors support misaligned transfers, 168 * so there is no need to define this flag. 169 */ 170 #if defined (__IA64__) || defined (__ia64__) 171 #define ACPI_MISALIGNMENT_NOT_SUPPORTED 172 #endif 173 174 /******************************************************************************* 175 * 176 * Types specific to 32-bit targets 177 * 178 ******************************************************************************/ 179 180 #elif ACPI_MACHINE_WIDTH == 32 181 182 /*! [Begin] no source code translation (keep the typedefs as-is) */ 183 184 typedef unsigned int UINT32; 185 typedef int INT32; 186 187 /*! [End] no source code translation !*/ 188 189 typedef s32 acpi_native_int; 190 191 typedef u32 acpi_size; 192 typedef u32 acpi_io_address; 193 typedef u32 acpi_physical_address; 194 195 #define ACPI_MAX_PTR ACPI_UINT32_MAX 196 #define ACPI_SIZE_MAX ACPI_UINT32_MAX 197 198 #else 199 200 /* ACPI_MACHINE_WIDTH must be either 64 or 32 */ 201 202 #error unknown ACPI_MACHINE_WIDTH 203 #endif 204 205 /******************************************************************************* 206 * 207 * OS-dependent and compiler-dependent types 208 * 209 * If the defaults below are not appropriate for the host system, they can 210 * be defined in the compiler-specific or OS-specific header, and this will 211 * take precedence. 212 * 213 ******************************************************************************/ 214 215 /* Value returned by acpi_os_get_thread_id */ 216 217 #ifndef acpi_thread_id 218 #define acpi_thread_id acpi_size 219 #endif 220 221 /* Object returned from acpi_os_create_lock */ 222 223 #ifndef acpi_spinlock 224 #define acpi_spinlock void * 225 #endif 226 227 /* Flags for acpi_os_acquire_lock/acpi_os_release_lock */ 228 229 #ifndef acpi_cpu_flags 230 #define acpi_cpu_flags acpi_size 231 #endif 232 233 /* Object returned from acpi_os_create_cache */ 234 235 #ifndef acpi_cache_t 236 #define acpi_cache_t struct acpi_memory_list 237 #endif 238 239 /* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */ 240 241 #ifndef acpi_uintptr_t 242 #define acpi_uintptr_t void * 243 #endif 244 245 /* 246 * ACPI_PRINTF_LIKE is used to tag functions as "printf-like" because 247 * some compilers can catch printf format string problems 248 */ 249 #ifndef ACPI_PRINTF_LIKE 250 #define ACPI_PRINTF_LIKE(c) 251 #endif 252 253 /* 254 * Some compilers complain about unused variables. Sometimes we don't want to 255 * use all the variables (for example, _acpi_module_name). This allows us 256 * to to tell the compiler in a per-variable manner that a variable 257 * is unused 258 */ 259 #ifndef ACPI_UNUSED_VAR 260 #define ACPI_UNUSED_VAR 261 #endif 262 263 /* 264 * All ACPICA functions that are available to the rest of the kernel are 265 * tagged with this macro which can be defined as appropriate for the host. 266 */ 267 #ifndef ACPI_EXPORT_SYMBOL 268 #define ACPI_EXPORT_SYMBOL(symbol) 269 #endif 270 271 /******************************************************************************* 272 * 273 * Independent types 274 * 275 ******************************************************************************/ 276 277 /* Logical defines and NULL */ 278 279 #ifdef FALSE 280 #undef FALSE 281 #endif 282 #define FALSE (1 == 0) 283 284 #ifdef TRUE 285 #undef TRUE 286 #endif 287 #define TRUE (1 == 1) 288 289 #ifndef NULL 290 #define NULL (void *) 0 291 #endif 292 293 /* 294 * Mescellaneous types 295 */ 296 typedef u32 acpi_status; /* All ACPI Exceptions */ 297 typedef u32 acpi_name; /* 4-byte ACPI name */ 298 typedef char *acpi_string; /* Null terminated ASCII string */ 299 typedef void *acpi_handle; /* Actually a ptr to a NS Node */ 300 301 struct uint64_struct { 302 u32 lo; 303 u32 hi; 304 }; 305 306 union uint64_overlay { 307 u64 full; 308 struct uint64_struct part; 309 }; 310 311 struct uint32_struct { 312 u32 lo; 313 u32 hi; 314 }; 315 316 /* Synchronization objects */ 317 318 #define acpi_mutex void * 319 #define acpi_semaphore void * 320 321 /* 322 * Acpi integer width. In ACPI version 1, integers are 32 bits. In ACPI 323 * version 2, integers are 64 bits. Note that this pertains to the ACPI integer 324 * type only, not other integers used in the implementation of the ACPI CA 325 * subsystem. 326 */ 327 typedef unsigned long long acpi_integer; 328 #define ACPI_INTEGER_MAX ACPI_UINT64_MAX 329 #define ACPI_INTEGER_BIT_SIZE 64 330 #define ACPI_MAX_DECIMAL_DIGITS 20 /* 2^64 = 18,446,744,073,709,551,616 */ 331 332 #if ACPI_MACHINE_WIDTH == 64 333 #define ACPI_USE_NATIVE_DIVIDE /* Use compiler native 64-bit divide */ 334 #endif 335 336 #define ACPI_MAX64_DECIMAL_DIGITS 20 337 #define ACPI_MAX32_DECIMAL_DIGITS 10 338 #define ACPI_MAX16_DECIMAL_DIGITS 5 339 #define ACPI_MAX8_DECIMAL_DIGITS 3 340 341 /* 342 * Constants with special meanings 343 */ 344 #define ACPI_ROOT_OBJECT ACPI_ADD_PTR (acpi_handle, NULL, ACPI_MAX_PTR) 345 346 /* 347 * Initialization sequence 348 */ 349 #define ACPI_FULL_INITIALIZATION 0x00 350 #define ACPI_NO_ADDRESS_SPACE_INIT 0x01 351 #define ACPI_NO_HARDWARE_INIT 0x02 352 #define ACPI_NO_EVENT_INIT 0x04 353 #define ACPI_NO_HANDLER_INIT 0x08 354 #define ACPI_NO_ACPI_ENABLE 0x10 355 #define ACPI_NO_DEVICE_INIT 0x20 356 #define ACPI_NO_OBJECT_INIT 0x40 357 358 /* 359 * Initialization state 360 */ 361 #define ACPI_SUBSYSTEM_INITIALIZE 0x01 362 #define ACPI_INITIALIZED_OK 0x02 363 364 /* 365 * Power state values 366 */ 367 #define ACPI_STATE_UNKNOWN (u8) 0xFF 368 369 #define ACPI_STATE_S0 (u8) 0 370 #define ACPI_STATE_S1 (u8) 1 371 #define ACPI_STATE_S2 (u8) 2 372 #define ACPI_STATE_S3 (u8) 3 373 #define ACPI_STATE_S4 (u8) 4 374 #define ACPI_STATE_S5 (u8) 5 375 #define ACPI_S_STATES_MAX ACPI_STATE_S5 376 #define ACPI_S_STATE_COUNT 6 377 378 #define ACPI_STATE_D0 (u8) 0 379 #define ACPI_STATE_D1 (u8) 1 380 #define ACPI_STATE_D2 (u8) 2 381 #define ACPI_STATE_D3 (u8) 3 382 #define ACPI_D_STATES_MAX ACPI_STATE_D3 383 #define ACPI_D_STATE_COUNT 4 384 385 #define ACPI_STATE_C0 (u8) 0 386 #define ACPI_STATE_C1 (u8) 1 387 #define ACPI_STATE_C2 (u8) 2 388 #define ACPI_STATE_C3 (u8) 3 389 #define ACPI_C_STATES_MAX ACPI_STATE_C3 390 #define ACPI_C_STATE_COUNT 4 391 392 /* 393 * Sleep type invalid value 394 */ 395 #define ACPI_SLEEP_TYPE_MAX 0x7 396 #define ACPI_SLEEP_TYPE_INVALID 0xFF 397 398 /* 399 * Standard notify values 400 */ 401 #define ACPI_NOTIFY_BUS_CHECK (u8) 0x00 402 #define ACPI_NOTIFY_DEVICE_CHECK (u8) 0x01 403 #define ACPI_NOTIFY_DEVICE_WAKE (u8) 0x02 404 #define ACPI_NOTIFY_EJECT_REQUEST (u8) 0x03 405 #define ACPI_NOTIFY_DEVICE_CHECK_LIGHT (u8) 0x04 406 #define ACPI_NOTIFY_FREQUENCY_MISMATCH (u8) 0x05 407 #define ACPI_NOTIFY_BUS_MODE_MISMATCH (u8) 0x06 408 #define ACPI_NOTIFY_POWER_FAULT (u8) 0x07 409 #define ACPI_NOTIFY_CAPABILITIES_CHECK (u8) 0x08 410 #define ACPI_NOTIFY_DEVICE_PLD_CHECK (u8) 0x09 411 #define ACPI_NOTIFY_RESERVED (u8) 0x0A 412 #define ACPI_NOTIFY_LOCALITY_UPDATE (u8) 0x0B 413 414 #define ACPI_NOTIFY_MAX 0x0B 415 416 /* 417 * Types associated with ACPI names and objects. The first group of 418 * values (up to ACPI_TYPE_EXTERNAL_MAX) correspond to the definition 419 * of the ACPI object_type() operator (See the ACPI Spec). Therefore, 420 * only add to the first group if the spec changes. 421 * 422 * NOTE: Types must be kept in sync with the global acpi_ns_properties 423 * and acpi_ns_type_names arrays. 424 */ 425 typedef u32 acpi_object_type; 426 427 #define ACPI_TYPE_ANY 0x00 428 #define ACPI_TYPE_INTEGER 0x01 /* Byte/Word/Dword/Zero/One/Ones */ 429 #define ACPI_TYPE_STRING 0x02 430 #define ACPI_TYPE_BUFFER 0x03 431 #define ACPI_TYPE_PACKAGE 0x04 /* byte_const, multiple data_term/Constant/super_name */ 432 #define ACPI_TYPE_FIELD_UNIT 0x05 433 #define ACPI_TYPE_DEVICE 0x06 /* Name, multiple Node */ 434 #define ACPI_TYPE_EVENT 0x07 435 #define ACPI_TYPE_METHOD 0x08 /* Name, byte_const, multiple Code */ 436 #define ACPI_TYPE_MUTEX 0x09 437 #define ACPI_TYPE_REGION 0x0A 438 #define ACPI_TYPE_POWER 0x0B /* Name,byte_const,word_const,multi Node */ 439 #define ACPI_TYPE_PROCESSOR 0x0C /* Name,byte_const,Dword_const,byte_const,multi nm_o */ 440 #define ACPI_TYPE_THERMAL 0x0D /* Name, multiple Node */ 441 #define ACPI_TYPE_BUFFER_FIELD 0x0E 442 #define ACPI_TYPE_DDB_HANDLE 0x0F 443 #define ACPI_TYPE_DEBUG_OBJECT 0x10 444 445 #define ACPI_TYPE_EXTERNAL_MAX 0x10 446 447 /* 448 * These are object types that do not map directly to the ACPI 449 * object_type() operator. They are used for various internal purposes only. 450 * If new predefined ACPI_TYPEs are added (via the ACPI specification), these 451 * internal types must move upwards. (There is code that depends on these 452 * values being contiguous with the external types above.) 453 */ 454 #define ACPI_TYPE_LOCAL_REGION_FIELD 0x11 455 #define ACPI_TYPE_LOCAL_BANK_FIELD 0x12 456 #define ACPI_TYPE_LOCAL_INDEX_FIELD 0x13 457 #define ACPI_TYPE_LOCAL_REFERENCE 0x14 /* Arg#, Local#, Name, Debug, ref_of, Index */ 458 #define ACPI_TYPE_LOCAL_ALIAS 0x15 459 #define ACPI_TYPE_LOCAL_METHOD_ALIAS 0x16 460 #define ACPI_TYPE_LOCAL_NOTIFY 0x17 461 #define ACPI_TYPE_LOCAL_ADDRESS_HANDLER 0x18 462 #define ACPI_TYPE_LOCAL_RESOURCE 0x19 463 #define ACPI_TYPE_LOCAL_RESOURCE_FIELD 0x1A 464 #define ACPI_TYPE_LOCAL_SCOPE 0x1B /* 1 Name, multiple object_list Nodes */ 465 466 #define ACPI_TYPE_NS_NODE_MAX 0x1B /* Last typecode used within a NS Node */ 467 468 /* 469 * These are special object types that never appear in 470 * a Namespace node, only in an union acpi_operand_object 471 */ 472 #define ACPI_TYPE_LOCAL_EXTRA 0x1C 473 #define ACPI_TYPE_LOCAL_DATA 0x1D 474 475 #define ACPI_TYPE_LOCAL_MAX 0x1D 476 477 /* All types above here are invalid */ 478 479 #define ACPI_TYPE_INVALID 0x1E 480 #define ACPI_TYPE_NOT_FOUND 0xFF 481 482 #define ACPI_NUM_NS_TYPES (ACPI_TYPE_INVALID + 1) 483 484 /* 485 * All I/O 486 */ 487 #define ACPI_READ 0 488 #define ACPI_WRITE 1 489 #define ACPI_IO_MASK 1 490 491 /* 492 * Event Types: Fixed & General Purpose 493 */ 494 typedef u32 acpi_event_type; 495 496 /* 497 * Fixed events 498 */ 499 #define ACPI_EVENT_PMTIMER 0 500 #define ACPI_EVENT_GLOBAL 1 501 #define ACPI_EVENT_POWER_BUTTON 2 502 #define ACPI_EVENT_SLEEP_BUTTON 3 503 #define ACPI_EVENT_RTC 4 504 #define ACPI_EVENT_MAX 4 505 #define ACPI_NUM_FIXED_EVENTS ACPI_EVENT_MAX + 1 506 507 /* 508 * Event Status - Per event 509 * ------------- 510 * The encoding of acpi_event_status is illustrated below. 511 * Note that a set bit (1) indicates the property is TRUE 512 * (e.g. if bit 0 is set then the event is enabled). 513 * +-------------+-+-+-+ 514 * | Bits 31:3 |2|1|0| 515 * +-------------+-+-+-+ 516 * | | | | 517 * | | | +- Enabled? 518 * | | +--- Enabled for wake? 519 * | +----- Set? 520 * +----------- <Reserved> 521 */ 522 typedef u32 acpi_event_status; 523 524 #define ACPI_EVENT_FLAG_DISABLED (acpi_event_status) 0x00 525 #define ACPI_EVENT_FLAG_ENABLED (acpi_event_status) 0x01 526 #define ACPI_EVENT_FLAG_WAKE_ENABLED (acpi_event_status) 0x02 527 #define ACPI_EVENT_FLAG_SET (acpi_event_status) 0x04 528 529 /* 530 * General Purpose Events (GPE) 531 */ 532 #define ACPI_GPE_INVALID 0xFF 533 #define ACPI_GPE_MAX 0xFF 534 #define ACPI_NUM_GPE 256 535 536 #define ACPI_GPE_ENABLE 0 537 #define ACPI_GPE_DISABLE 1 538 539 /* 540 * GPE info flags - Per GPE 541 * +-+-+-+---+---+-+ 542 * |7|6|5|4:3|2:1|0| 543 * +-+-+-+---+---+-+ 544 * | | | | | | 545 * | | | | | +--- Interrupt type: Edge or Level Triggered 546 * | | | | +--- Type: Wake-only, Runtime-only, or wake/runtime 547 * | | | +--- Type of dispatch -- to method, handler, or none 548 * | | +--- Enabled for runtime? 549 * | +--- Enabled for wake? 550 * +--- Unused 551 */ 552 #define ACPI_GPE_XRUPT_TYPE_MASK (u8) 0x01 553 #define ACPI_GPE_LEVEL_TRIGGERED (u8) 0x01 554 #define ACPI_GPE_EDGE_TRIGGERED (u8) 0x00 555 556 #define ACPI_GPE_TYPE_MASK (u8) 0x06 557 #define ACPI_GPE_TYPE_WAKE_RUN (u8) 0x06 558 #define ACPI_GPE_TYPE_WAKE (u8) 0x02 559 #define ACPI_GPE_TYPE_RUNTIME (u8) 0x04 /* Default */ 560 561 #define ACPI_GPE_DISPATCH_MASK (u8) 0x18 562 #define ACPI_GPE_DISPATCH_HANDLER (u8) 0x08 563 #define ACPI_GPE_DISPATCH_METHOD (u8) 0x10 564 #define ACPI_GPE_DISPATCH_NOT_USED (u8) 0x00 /* Default */ 565 566 #define ACPI_GPE_RUN_ENABLE_MASK (u8) 0x20 567 #define ACPI_GPE_RUN_ENABLED (u8) 0x20 568 #define ACPI_GPE_RUN_DISABLED (u8) 0x00 /* Default */ 569 570 #define ACPI_GPE_WAKE_ENABLE_MASK (u8) 0x40 571 #define ACPI_GPE_WAKE_ENABLED (u8) 0x40 572 #define ACPI_GPE_WAKE_DISABLED (u8) 0x00 /* Default */ 573 574 #define ACPI_GPE_ENABLE_MASK (u8) 0x60 /* Both run/wake */ 575 576 /* 577 * Flags for GPE and Lock interfaces 578 */ 579 #define ACPI_EVENT_WAKE_ENABLE 0x2 /* acpi_gpe_enable */ 580 #define ACPI_EVENT_WAKE_DISABLE 0x2 /* acpi_gpe_disable */ 581 582 #define ACPI_NOT_ISR 0x1 583 #define ACPI_ISR 0x0 584 585 /* Notify types */ 586 587 #define ACPI_SYSTEM_NOTIFY 0x1 588 #define ACPI_DEVICE_NOTIFY 0x2 589 #define ACPI_ALL_NOTIFY (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY) 590 #define ACPI_MAX_NOTIFY_HANDLER_TYPE 0x3 591 592 #define ACPI_MAX_SYS_NOTIFY 0x7f 593 594 /* Address Space (Operation Region) Types */ 595 596 typedef u8 acpi_adr_space_type; 597 598 #define ACPI_ADR_SPACE_SYSTEM_MEMORY (acpi_adr_space_type) 0 599 #define ACPI_ADR_SPACE_SYSTEM_IO (acpi_adr_space_type) 1 600 #define ACPI_ADR_SPACE_PCI_CONFIG (acpi_adr_space_type) 2 601 #define ACPI_ADR_SPACE_EC (acpi_adr_space_type) 3 602 #define ACPI_ADR_SPACE_SMBUS (acpi_adr_space_type) 4 603 #define ACPI_ADR_SPACE_CMOS (acpi_adr_space_type) 5 604 #define ACPI_ADR_SPACE_PCI_BAR_TARGET (acpi_adr_space_type) 6 605 #define ACPI_ADR_SPACE_DATA_TABLE (acpi_adr_space_type) 7 606 #define ACPI_ADR_SPACE_FIXED_HARDWARE (acpi_adr_space_type) 127 607 608 /* 609 * bit_register IDs 610 * These are bitfields defined within the full ACPI registers 611 */ 612 #define ACPI_BITREG_TIMER_STATUS 0x00 613 #define ACPI_BITREG_BUS_MASTER_STATUS 0x01 614 #define ACPI_BITREG_GLOBAL_LOCK_STATUS 0x02 615 #define ACPI_BITREG_POWER_BUTTON_STATUS 0x03 616 #define ACPI_BITREG_SLEEP_BUTTON_STATUS 0x04 617 #define ACPI_BITREG_RT_CLOCK_STATUS 0x05 618 #define ACPI_BITREG_WAKE_STATUS 0x06 619 #define ACPI_BITREG_PCIEXP_WAKE_STATUS 0x07 620 621 #define ACPI_BITREG_TIMER_ENABLE 0x08 622 #define ACPI_BITREG_GLOBAL_LOCK_ENABLE 0x09 623 #define ACPI_BITREG_POWER_BUTTON_ENABLE 0x0A 624 #define ACPI_BITREG_SLEEP_BUTTON_ENABLE 0x0B 625 #define ACPI_BITREG_RT_CLOCK_ENABLE 0x0C 626 #define ACPI_BITREG_WAKE_ENABLE 0x0D 627 #define ACPI_BITREG_PCIEXP_WAKE_DISABLE 0x0E 628 629 #define ACPI_BITREG_SCI_ENABLE 0x0F 630 #define ACPI_BITREG_BUS_MASTER_RLD 0x10 631 #define ACPI_BITREG_GLOBAL_LOCK_RELEASE 0x11 632 #define ACPI_BITREG_SLEEP_TYPE_A 0x12 633 #define ACPI_BITREG_SLEEP_TYPE_B 0x13 634 #define ACPI_BITREG_SLEEP_ENABLE 0x14 635 636 #define ACPI_BITREG_ARB_DISABLE 0x15 637 638 #define ACPI_BITREG_MAX 0x15 639 #define ACPI_NUM_BITREG ACPI_BITREG_MAX + 1 640 641 /* 642 * External ACPI object definition 643 */ 644 645 /* 646 * Note: Type == ACPI_TYPE_ANY (0) is used to indicate a NULL package element 647 * or an unresolved named reference. 648 */ 649 union acpi_object { 650 acpi_object_type type; /* See definition of acpi_ns_type for values */ 651 struct { 652 acpi_object_type type; /* ACPI_TYPE_INTEGER */ 653 acpi_integer value; /* The actual number */ 654 } integer; 655 656 struct { 657 acpi_object_type type; /* ACPI_TYPE_STRING */ 658 u32 length; /* # of bytes in string, excluding trailing null */ 659 char *pointer; /* points to the string value */ 660 } string; 661 662 struct { 663 acpi_object_type type; /* ACPI_TYPE_BUFFER */ 664 u32 length; /* # of bytes in buffer */ 665 u8 *pointer; /* points to the buffer */ 666 } buffer; 667 668 struct { 669 acpi_object_type type; /* ACPI_TYPE_PACKAGE */ 670 u32 count; /* # of elements in package */ 671 union acpi_object *elements; /* Pointer to an array of ACPI_OBJECTs */ 672 } package; 673 674 struct { 675 acpi_object_type type; /* ACPI_TYPE_LOCAL_REFERENCE */ 676 acpi_object_type actual_type; /* Type associated with the Handle */ 677 acpi_handle handle; /* object reference */ 678 } reference; 679 680 struct { 681 acpi_object_type type; /* ACPI_TYPE_PROCESSOR */ 682 u32 proc_id; 683 acpi_io_address pblk_address; 684 u32 pblk_length; 685 } processor; 686 687 struct { 688 acpi_object_type type; /* ACPI_TYPE_POWER */ 689 u32 system_level; 690 u32 resource_order; 691 } power_resource; 692 }; 693 694 /* 695 * List of objects, used as a parameter list for control method evaluation 696 */ 697 struct acpi_object_list { 698 u32 count; 699 union acpi_object *pointer; 700 }; 701 702 /* 703 * Miscellaneous common Data Structures used by the interfaces 704 */ 705 #define ACPI_NO_BUFFER 0 706 #define ACPI_ALLOCATE_BUFFER (acpi_size) (-1) 707 #define ACPI_ALLOCATE_LOCAL_BUFFER (acpi_size) (-2) 708 709 struct acpi_buffer { 710 acpi_size length; /* Length in bytes of the buffer */ 711 void *pointer; /* pointer to buffer */ 712 }; 713 714 /* 715 * name_type for acpi_get_name 716 */ 717 #define ACPI_FULL_PATHNAME 0 718 #define ACPI_SINGLE_NAME 1 719 #define ACPI_NAME_TYPE_MAX 1 720 721 /* 722 * Structure and flags for acpi_get_system_info 723 */ 724 #define ACPI_SYS_MODE_UNKNOWN 0x0000 725 #define ACPI_SYS_MODE_ACPI 0x0001 726 #define ACPI_SYS_MODE_LEGACY 0x0002 727 #define ACPI_SYS_MODES_MASK 0x0003 728 729 /* 730 * System info returned by acpi_get_system_info() 731 */ 732 struct acpi_system_info { 733 u32 acpi_ca_version; 734 u32 flags; 735 u32 timer_resolution; 736 u32 reserved1; 737 u32 reserved2; 738 u32 debug_level; 739 u32 debug_layer; 740 }; 741 742 /* Table Event Types */ 743 744 #define ACPI_TABLE_EVENT_LOAD 0x0 745 #define ACPI_TABLE_EVENT_UNLOAD 0x1 746 #define ACPI_NUM_TABLE_EVENTS 2 747 748 /* 749 * Types specific to the OS service interfaces 750 */ 751 typedef u32(ACPI_SYSTEM_XFACE * acpi_osd_handler) (void *context); 752 753 typedef void 754 (ACPI_SYSTEM_XFACE * acpi_osd_exec_callback) (void *context); 755 756 /* 757 * Various handlers and callback procedures 758 */ 759 typedef u32(*acpi_event_handler) (void *context); 760 761 typedef 762 void (*acpi_notify_handler) (acpi_handle device, u32 value, void *context); 763 764 typedef 765 void (*acpi_object_handler) (acpi_handle object, u32 function, void *data); 766 767 typedef acpi_status(*acpi_init_handler) (acpi_handle object, u32 function); 768 769 #define ACPI_INIT_DEVICE_INI 1 770 771 typedef 772 acpi_status(*acpi_exception_handler) (acpi_status aml_status, 773 acpi_name name, 774 u16 opcode, 775 u32 aml_offset, void *context); 776 777 /* Table Event handler (Load, load_table etc) and types */ 778 779 typedef 780 acpi_status(*acpi_tbl_handler) (u32 event, void *table, void *context); 781 782 /* Address Spaces (For Operation Regions) */ 783 784 typedef 785 acpi_status(*acpi_adr_space_handler) (u32 function, 786 acpi_physical_address address, 787 u32 bit_width, 788 acpi_integer * value, 789 void *handler_context, 790 void *region_context); 791 792 #define ACPI_DEFAULT_HANDLER NULL 793 794 typedef 795 acpi_status(*acpi_adr_space_setup) (acpi_handle region_handle, 796 u32 function, 797 void *handler_context, 798 void **region_context); 799 800 #define ACPI_REGION_ACTIVATE 0 801 #define ACPI_REGION_DEACTIVATE 1 802 803 typedef 804 acpi_status(*acpi_walk_callback) (acpi_handle obj_handle, 805 u32 nesting_level, 806 void *context, void **return_value); 807 808 /* Interrupt handler return values */ 809 810 #define ACPI_INTERRUPT_NOT_HANDLED 0x00 811 #define ACPI_INTERRUPT_HANDLED 0x01 812 813 /* Common string version of device HIDs and UIDs */ 814 815 struct acpica_device_id { 816 char value[ACPI_DEVICE_ID_LENGTH]; 817 }; 818 819 /* Common string version of device CIDs */ 820 821 struct acpi_compatible_id { 822 char value[ACPI_MAX_CID_LENGTH]; 823 }; 824 825 struct acpi_compatible_id_list { 826 u32 count; 827 u32 size; 828 struct acpi_compatible_id id[1]; 829 }; 830 831 /* Structure and flags for acpi_get_object_info */ 832 833 #define ACPI_VALID_STA 0x0001 834 #define ACPI_VALID_ADR 0x0002 835 #define ACPI_VALID_HID 0x0004 836 #define ACPI_VALID_UID 0x0008 837 #define ACPI_VALID_CID 0x0010 838 #define ACPI_VALID_SXDS 0x0020 839 840 /* Flags for _STA method */ 841 842 #define ACPI_STA_DEVICE_PRESENT 0x01 843 #define ACPI_STA_DEVICE_ENABLED 0x02 844 #define ACPI_STA_DEVICE_UI 0x04 845 #define ACPI_STA_DEVICE_FUNCTIONING 0x08 846 #define ACPI_STA_DEVICE_OK 0x08 /* Synonym */ 847 #define ACPI_STA_BATTERY_PRESENT 0x10 848 849 #define ACPI_COMMON_OBJ_INFO \ 850 acpi_object_type type; /* ACPI object type */ \ 851 acpi_name name /* ACPI object Name */ 852 853 struct acpi_obj_info_header { 854 ACPI_COMMON_OBJ_INFO; 855 }; 856 857 /* Structure returned from Get Object Info */ 858 859 struct acpi_device_info { 860 ACPI_COMMON_OBJ_INFO; 861 862 u32 valid; /* Indicates which fields below are valid */ 863 u32 current_status; /* _STA value */ 864 acpi_integer address; /* _ADR value if any */ 865 struct acpica_device_id hardware_id; /* _HID value if any */ 866 struct acpica_device_id unique_id; /* _UID value if any */ 867 u8 highest_dstates[4]; /* _sx_d values: 0xFF indicates not valid */ 868 struct acpi_compatible_id_list compatibility_id; /* List of _CIDs if any */ 869 }; 870 871 /* Context structs for address space handlers */ 872 873 struct acpi_pci_id { 874 u16 segment; 875 u16 bus; 876 u16 device; 877 u16 function; 878 }; 879 880 struct acpi_mem_space_context { 881 u32 length; 882 acpi_physical_address address; 883 acpi_physical_address mapped_physical_address; 884 u8 *mapped_logical_address; 885 acpi_size mapped_length; 886 }; 887 888 /* 889 * Definitions for Resource Attributes 890 */ 891 typedef u16 acpi_rs_length; /* Resource Length field is fixed at 16 bits */ 892 typedef u32 acpi_rsdesc_size; /* Max Resource Descriptor size is (Length+3) = (64_k-1)+3 */ 893 894 /* 895 * Memory Attributes 896 */ 897 #define ACPI_READ_ONLY_MEMORY (u8) 0x00 898 #define ACPI_READ_WRITE_MEMORY (u8) 0x01 899 900 #define ACPI_NON_CACHEABLE_MEMORY (u8) 0x00 901 #define ACPI_CACHABLE_MEMORY (u8) 0x01 902 #define ACPI_WRITE_COMBINING_MEMORY (u8) 0x02 903 #define ACPI_PREFETCHABLE_MEMORY (u8) 0x03 904 905 /* 906 * IO Attributes 907 * The ISA IO ranges are: n000-n0_fFh, n400-n4_fFh, n800-n8_fFh, n_c00-n_cFFh. 908 * The non-ISA IO ranges are: n100-n3_fFh, n500-n7_fFh, n900-n_bFFh, n_cd0-n_fFFh. 909 */ 910 #define ACPI_NON_ISA_ONLY_RANGES (u8) 0x01 911 #define ACPI_ISA_ONLY_RANGES (u8) 0x02 912 #define ACPI_ENTIRE_RANGE (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES) 913 914 /* Type of translation - 1=Sparse, 0=Dense */ 915 916 #define ACPI_SPARSE_TRANSLATION (u8) 0x01 917 918 /* 919 * IO Port Descriptor Decode 920 */ 921 #define ACPI_DECODE_10 (u8) 0x00 /* 10-bit IO address decode */ 922 #define ACPI_DECODE_16 (u8) 0x01 /* 16-bit IO address decode */ 923 924 /* 925 * IRQ Attributes 926 */ 927 #define ACPI_LEVEL_SENSITIVE (u8) 0x00 928 #define ACPI_EDGE_SENSITIVE (u8) 0x01 929 930 #define ACPI_ACTIVE_HIGH (u8) 0x00 931 #define ACPI_ACTIVE_LOW (u8) 0x01 932 933 #define ACPI_EXCLUSIVE (u8) 0x00 934 #define ACPI_SHARED (u8) 0x01 935 936 /* 937 * DMA Attributes 938 */ 939 #define ACPI_COMPATIBILITY (u8) 0x00 940 #define ACPI_TYPE_A (u8) 0x01 941 #define ACPI_TYPE_B (u8) 0x02 942 #define ACPI_TYPE_F (u8) 0x03 943 944 #define ACPI_NOT_BUS_MASTER (u8) 0x00 945 #define ACPI_BUS_MASTER (u8) 0x01 946 947 #define ACPI_TRANSFER_8 (u8) 0x00 948 #define ACPI_TRANSFER_8_16 (u8) 0x01 949 #define ACPI_TRANSFER_16 (u8) 0x02 950 951 /* 952 * Start Dependent Functions Priority definitions 953 */ 954 #define ACPI_GOOD_CONFIGURATION (u8) 0x00 955 #define ACPI_ACCEPTABLE_CONFIGURATION (u8) 0x01 956 #define ACPI_SUB_OPTIMAL_CONFIGURATION (u8) 0x02 957 958 /* 959 * 16, 32 and 64-bit Address Descriptor resource types 960 */ 961 #define ACPI_MEMORY_RANGE (u8) 0x00 962 #define ACPI_IO_RANGE (u8) 0x01 963 #define ACPI_BUS_NUMBER_RANGE (u8) 0x02 964 965 #define ACPI_ADDRESS_NOT_FIXED (u8) 0x00 966 #define ACPI_ADDRESS_FIXED (u8) 0x01 967 968 #define ACPI_POS_DECODE (u8) 0x00 969 #define ACPI_SUB_DECODE (u8) 0x01 970 971 #define ACPI_PRODUCER (u8) 0x00 972 #define ACPI_CONSUMER (u8) 0x01 973 974 /* 975 * If possible, pack the following structures to byte alignment 976 */ 977 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED 978 #pragma pack(1) 979 #endif 980 981 /* UUID data structures for use in vendor-defined resource descriptors */ 982 983 struct acpi_uuid { 984 u8 data[ACPI_UUID_LENGTH]; 985 }; 986 987 struct acpi_vendor_uuid { 988 u8 subtype; 989 u8 data[ACPI_UUID_LENGTH]; 990 }; 991 992 /* 993 * Structures used to describe device resources 994 */ 995 struct acpi_resource_irq { 996 u8 descriptor_length; 997 u8 triggering; 998 u8 polarity; 999 u8 sharable; 1000 u8 interrupt_count; 1001 u8 interrupts[1]; 1002 }; 1003 1004 struct acpi_resource_dma { 1005 u8 type; 1006 u8 bus_master; 1007 u8 transfer; 1008 u8 channel_count; 1009 u8 channels[1]; 1010 }; 1011 1012 struct acpi_resource_start_dependent { 1013 u8 descriptor_length; 1014 u8 compatibility_priority; 1015 u8 performance_robustness; 1016 }; 1017 1018 /* 1019 * END_DEPENDENT_FUNCTIONS_RESOURCE struct is not 1020 * needed because it has no fields 1021 */ 1022 1023 struct acpi_resource_io { 1024 u8 io_decode; 1025 u8 alignment; 1026 u8 address_length; 1027 u16 minimum; 1028 u16 maximum; 1029 }; 1030 1031 struct acpi_resource_fixed_io { 1032 u16 address; 1033 u8 address_length; 1034 }; 1035 1036 struct acpi_resource_vendor { 1037 u16 byte_length; 1038 u8 byte_data[1]; 1039 }; 1040 1041 /* Vendor resource with UUID info (introduced in ACPI 3.0) */ 1042 1043 struct acpi_resource_vendor_typed { 1044 u16 byte_length; 1045 u8 uuid_subtype; 1046 u8 uuid[ACPI_UUID_LENGTH]; 1047 u8 byte_data[1]; 1048 }; 1049 1050 struct acpi_resource_end_tag { 1051 u8 checksum; 1052 }; 1053 1054 struct acpi_resource_memory24 { 1055 u8 write_protect; 1056 u16 minimum; 1057 u16 maximum; 1058 u16 alignment; 1059 u16 address_length; 1060 }; 1061 1062 struct acpi_resource_memory32 { 1063 u8 write_protect; 1064 u32 minimum; 1065 u32 maximum; 1066 u32 alignment; 1067 u32 address_length; 1068 }; 1069 1070 struct acpi_resource_fixed_memory32 { 1071 u8 write_protect; 1072 u32 address; 1073 u32 address_length; 1074 }; 1075 1076 struct acpi_memory_attribute { 1077 u8 write_protect; 1078 u8 caching; 1079 u8 range_type; 1080 u8 translation; 1081 }; 1082 1083 struct acpi_io_attribute { 1084 u8 range_type; 1085 u8 translation; 1086 u8 translation_type; 1087 u8 reserved1; 1088 }; 1089 1090 union acpi_resource_attribute { 1091 struct acpi_memory_attribute mem; 1092 struct acpi_io_attribute io; 1093 1094 /* Used for the *word_space macros */ 1095 1096 u8 type_specific; 1097 }; 1098 1099 struct acpi_resource_source { 1100 u8 index; 1101 u16 string_length; 1102 char *string_ptr; 1103 }; 1104 1105 /* Fields common to all address descriptors, 16/32/64 bit */ 1106 1107 #define ACPI_RESOURCE_ADDRESS_COMMON \ 1108 u8 resource_type; \ 1109 u8 producer_consumer; \ 1110 u8 decode; \ 1111 u8 min_address_fixed; \ 1112 u8 max_address_fixed; \ 1113 union acpi_resource_attribute info; 1114 1115 struct acpi_resource_address { 1116 ACPI_RESOURCE_ADDRESS_COMMON}; 1117 1118 struct acpi_resource_address16 { 1119 ACPI_RESOURCE_ADDRESS_COMMON u16 granularity; 1120 u16 minimum; 1121 u16 maximum; 1122 u16 translation_offset; 1123 u16 address_length; 1124 struct acpi_resource_source resource_source; 1125 }; 1126 1127 struct acpi_resource_address32 { 1128 ACPI_RESOURCE_ADDRESS_COMMON u32 granularity; 1129 u32 minimum; 1130 u32 maximum; 1131 u32 translation_offset; 1132 u32 address_length; 1133 struct acpi_resource_source resource_source; 1134 }; 1135 1136 struct acpi_resource_address64 { 1137 ACPI_RESOURCE_ADDRESS_COMMON u64 granularity; 1138 u64 minimum; 1139 u64 maximum; 1140 u64 translation_offset; 1141 u64 address_length; 1142 struct acpi_resource_source resource_source; 1143 }; 1144 1145 struct acpi_resource_extended_address64 { 1146 ACPI_RESOURCE_ADDRESS_COMMON u8 revision_iD; 1147 u64 granularity; 1148 u64 minimum; 1149 u64 maximum; 1150 u64 translation_offset; 1151 u64 address_length; 1152 u64 type_specific; 1153 }; 1154 1155 struct acpi_resource_extended_irq { 1156 u8 producer_consumer; 1157 u8 triggering; 1158 u8 polarity; 1159 u8 sharable; 1160 u8 interrupt_count; 1161 struct acpi_resource_source resource_source; 1162 u32 interrupts[1]; 1163 }; 1164 1165 struct acpi_resource_generic_register { 1166 u8 space_id; 1167 u8 bit_width; 1168 u8 bit_offset; 1169 u8 access_size; 1170 u64 address; 1171 }; 1172 1173 /* ACPI_RESOURCE_TYPEs */ 1174 1175 #define ACPI_RESOURCE_TYPE_IRQ 0 1176 #define ACPI_RESOURCE_TYPE_DMA 1 1177 #define ACPI_RESOURCE_TYPE_START_DEPENDENT 2 1178 #define ACPI_RESOURCE_TYPE_END_DEPENDENT 3 1179 #define ACPI_RESOURCE_TYPE_IO 4 1180 #define ACPI_RESOURCE_TYPE_FIXED_IO 5 1181 #define ACPI_RESOURCE_TYPE_VENDOR 6 1182 #define ACPI_RESOURCE_TYPE_END_TAG 7 1183 #define ACPI_RESOURCE_TYPE_MEMORY24 8 1184 #define ACPI_RESOURCE_TYPE_MEMORY32 9 1185 #define ACPI_RESOURCE_TYPE_FIXED_MEMORY32 10 1186 #define ACPI_RESOURCE_TYPE_ADDRESS16 11 1187 #define ACPI_RESOURCE_TYPE_ADDRESS32 12 1188 #define ACPI_RESOURCE_TYPE_ADDRESS64 13 1189 #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 14 /* ACPI 3.0 */ 1190 #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ 15 1191 #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER 16 1192 #define ACPI_RESOURCE_TYPE_MAX 16 1193 1194 union acpi_resource_data { 1195 struct acpi_resource_irq irq; 1196 struct acpi_resource_dma dma; 1197 struct acpi_resource_start_dependent start_dpf; 1198 struct acpi_resource_io io; 1199 struct acpi_resource_fixed_io fixed_io; 1200 struct acpi_resource_vendor vendor; 1201 struct acpi_resource_vendor_typed vendor_typed; 1202 struct acpi_resource_end_tag end_tag; 1203 struct acpi_resource_memory24 memory24; 1204 struct acpi_resource_memory32 memory32; 1205 struct acpi_resource_fixed_memory32 fixed_memory32; 1206 struct acpi_resource_address16 address16; 1207 struct acpi_resource_address32 address32; 1208 struct acpi_resource_address64 address64; 1209 struct acpi_resource_extended_address64 ext_address64; 1210 struct acpi_resource_extended_irq extended_irq; 1211 struct acpi_resource_generic_register generic_reg; 1212 1213 /* Common fields */ 1214 1215 struct acpi_resource_address address; /* Common 16/32/64 address fields */ 1216 }; 1217 1218 struct acpi_resource { 1219 u32 type; 1220 u32 length; 1221 union acpi_resource_data data; 1222 }; 1223 1224 /* restore default alignment */ 1225 1226 #pragma pack() 1227 1228 #define ACPI_RS_SIZE_MIN 12 1229 #define ACPI_RS_SIZE_NO_DATA 8 /* Id + Length fields */ 1230 #define ACPI_RS_SIZE(type) (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type)) 1231 1232 #define ACPI_NEXT_RESOURCE(res) (struct acpi_resource *)((u8 *) res + res->length) 1233 1234 struct acpi_pci_routing_table { 1235 u32 length; 1236 u32 pin; 1237 acpi_integer address; /* here for 64-bit alignment */ 1238 u32 source_index; 1239 char source[4]; /* pad to 64 bits so sizeof() works in all cases */ 1240 }; 1241 1242 #endif /* __ACTYPES_H__ */ 1243