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TOMOYO Linux Cross Reference
Linux/include/acpi/actypes.h

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  1 /******************************************************************************
  2  *
  3  * Name: actypes.h - Common data types for the entire ACPI subsystem
  4  *
  5  *****************************************************************************/
  6 
  7 /*
  8  * Copyright (C) 2000 - 2014, 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 /*
 59  * Data type ranges
 60  * Note: These macros are designed to be compiler independent as well as
 61  * working around problems that some 32-bit compilers have with 64-bit
 62  * constants.
 63  */
 64 #define ACPI_UINT8_MAX                  (u8) (~((u8)  0))       /* 0xFF               */
 65 #define ACPI_UINT16_MAX                 (u16)(~((u16) 0))       /* 0xFFFF             */
 66 #define ACPI_UINT32_MAX                 (u32)(~((u32) 0))       /* 0xFFFFFFFF         */
 67 #define ACPI_UINT64_MAX                 (u64)(~((u64) 0))       /* 0xFFFFFFFFFFFFFFFF */
 68 #define ACPI_ASCII_MAX                  0x7F
 69 
 70 /*
 71  * Architecture-specific ACPICA Subsystem Data Types
 72  *
 73  * The goal of these types is to provide source code portability across
 74  * 16-bit, 32-bit, and 64-bit targets.
 75  *
 76  * 1) The following types are of fixed size for all targets (16/32/64):
 77  *
 78  * u8           Logical boolean
 79  *
 80  * u8           8-bit  (1 byte) unsigned value
 81  * u16          16-bit (2 byte) unsigned value
 82  * u32          32-bit (4 byte) unsigned value
 83  * u64          64-bit (8 byte) unsigned value
 84  *
 85  * s16          16-bit (2 byte) signed value
 86  * s32          32-bit (4 byte) signed value
 87  * s64          64-bit (8 byte) signed value
 88  *
 89  * COMPILER_DEPENDENT_UINT64/s64 - These types are defined in the
 90  * compiler-dependent header(s) and were introduced because there is no common
 91  * 64-bit integer type across the various compilation models, as shown in
 92  * the table below.
 93  *
 94  * Datatype  LP64 ILP64 LLP64 ILP32 LP32 16bit
 95  * char      8    8     8     8     8    8
 96  * short     16   16    16    16    16   16
 97  * _int32         32
 98  * int       32   64    32    32    16   16
 99  * long      64   64    32    32    32   32
100  * long long            64    64
101  * pointer   64   64    64    32    32   32
102  *
103  * Note: ILP64 and LP32 are currently not supported.
104  *
105  *
106  * 2) These types represent the native word size of the target mode of the
107  * processor, and may be 16-bit, 32-bit, or 64-bit as required. They are
108  * usually used for memory allocation, efficient loop counters, and array
109  * indexes. The types are similar to the size_t type in the C library and are
110  * required because there is no C type that consistently represents the native
111  * data width. acpi_size is needed because there is no guarantee that a
112  * kernel-level C library is present.
113  *
114  * acpi_size        16/32/64-bit unsigned value
115  * acpi_native_int  16/32/64-bit signed value
116  */
117 
118 /*******************************************************************************
119  *
120  * Common types for all compilers, all targets
121  *
122  ******************************************************************************/
123 
124 #ifndef ACPI_USE_SYSTEM_INTTYPES
125 
126 typedef unsigned char u8;
127 typedef unsigned char u8;
128 typedef unsigned short u16;
129 typedef short s16;
130 typedef COMPILER_DEPENDENT_UINT64 u64;
131 typedef COMPILER_DEPENDENT_INT64 s64;
132 
133 #endif                          /* ACPI_USE_SYSTEM_INTTYPES */
134 
135 /*
136  * Value returned by acpi_os_get_thread_id. There is no standard "thread_id"
137  * across operating systems or even the various UNIX systems. Since ACPICA
138  * only needs the thread ID as a unique thread identifier, we use a u64
139  * as the only common data type - it will accommodate any type of pointer or
140  * any type of integer. It is up to the host-dependent OSL to cast the
141  * native thread ID type to a u64 (in acpi_os_get_thread_id).
142  */
143 #define acpi_thread_id                  u64
144 
145 /*******************************************************************************
146  *
147  * Types specific to 64-bit targets
148  *
149  ******************************************************************************/
150 
151 #if ACPI_MACHINE_WIDTH == 64
152 
153 #ifndef ACPI_USE_SYSTEM_INTTYPES
154 
155 typedef unsigned int u32;
156 typedef int s32;
157 
158 #endif                          /* ACPI_USE_SYSTEM_INTTYPES */
159 
160 typedef s64 acpi_native_int;
161 
162 typedef u64 acpi_size;
163 typedef u64 acpi_io_address;
164 typedef u64 acpi_physical_address;
165 
166 #define ACPI_MAX_PTR                    ACPI_UINT64_MAX
167 #define ACPI_SIZE_MAX                   ACPI_UINT64_MAX
168 
169 #define ACPI_USE_NATIVE_DIVIDE  /* Has native 64-bit integer support */
170 
171 /*
172  * In the case of the Itanium Processor Family (IPF), the hardware does not
173  * support misaligned memory transfers. Set the MISALIGNMENT_NOT_SUPPORTED flag
174  * to indicate that special precautions must be taken to avoid alignment faults.
175  * (IA64 or ia64 is currently used by existing compilers to indicate IPF.)
176  *
177  * Note: EM64T and other X86-64 processors support misaligned transfers,
178  * so there is no need to define this flag.
179  */
180 #if defined (__IA64__) || defined (__ia64__)
181 #define ACPI_MISALIGNMENT_NOT_SUPPORTED
182 #endif
183 
184 /*******************************************************************************
185  *
186  * Types specific to 32-bit targets
187  *
188  ******************************************************************************/
189 
190 #elif ACPI_MACHINE_WIDTH == 32
191 
192 #ifndef ACPI_USE_SYSTEM_INTTYPES
193 
194 typedef unsigned int u32;
195 typedef int s32;
196 
197 #endif                          /* ACPI_USE_SYSTEM_INTTYPES */
198 
199 typedef s32 acpi_native_int;
200 
201 typedef u32 acpi_size;
202 
203 #ifdef ACPI_32BIT_PHYSICAL_ADDRESS
204 
205 /*
206  * OSPMs can define this to shrink the size of the structures for 32-bit
207  * none PAE environment. ASL compiler may always define this to generate
208  * 32-bit OSPM compliant tables.
209  */
210 typedef u32 acpi_io_address;
211 typedef u32 acpi_physical_address;
212 
213 #else                           /* ACPI_32BIT_PHYSICAL_ADDRESS */
214 
215 /*
216  * It is reported that, after some calculations, the physical addresses can
217  * wrap over the 32-bit boundary on 32-bit PAE environment.
218  * https://bugzilla.kernel.org/show_bug.cgi?id=87971
219  */
220 typedef u64 acpi_io_address;
221 typedef u64 acpi_physical_address;
222 
223 #endif                          /* ACPI_32BIT_PHYSICAL_ADDRESS */
224 
225 #define ACPI_MAX_PTR                    ACPI_UINT32_MAX
226 #define ACPI_SIZE_MAX                   ACPI_UINT32_MAX
227 
228 #else
229 
230 /* ACPI_MACHINE_WIDTH must be either 64 or 32 */
231 
232 #error unknown ACPI_MACHINE_WIDTH
233 #endif
234 
235 /*******************************************************************************
236  *
237  * OS-dependent types
238  *
239  * If the defaults below are not appropriate for the host system, they can
240  * be defined in the OS-specific header, and this will take precedence.
241  *
242  ******************************************************************************/
243 
244 /* Flags for acpi_os_acquire_lock/acpi_os_release_lock */
245 
246 #ifndef acpi_cpu_flags
247 #define acpi_cpu_flags                  acpi_size
248 #endif
249 
250 /* Object returned from acpi_os_create_cache */
251 
252 #ifndef acpi_cache_t
253 #ifdef ACPI_USE_LOCAL_CACHE
254 #define acpi_cache_t                    struct acpi_memory_list
255 #else
256 #define acpi_cache_t                    void *
257 #endif
258 #endif
259 
260 /*
261  * Synchronization objects - Mutexes, Semaphores, and spin_locks
262  */
263 #if (ACPI_MUTEX_TYPE == ACPI_BINARY_SEMAPHORE)
264 /*
265  * These macros are used if the host OS does not support a mutex object.
266  * Map the OSL Mutex interfaces to binary semaphores.
267  */
268 #define acpi_mutex                      acpi_semaphore
269 #define acpi_os_create_mutex(out_handle) acpi_os_create_semaphore (1, 1, out_handle)
270 #define acpi_os_delete_mutex(handle)    (void) acpi_os_delete_semaphore (handle)
271 #define acpi_os_acquire_mutex(handle,time) acpi_os_wait_semaphore (handle, 1, time)
272 #define acpi_os_release_mutex(handle)   (void) acpi_os_signal_semaphore (handle, 1)
273 #endif
274 
275 /* Configurable types for synchronization objects */
276 
277 #ifndef acpi_spinlock
278 #define acpi_spinlock                   void *
279 #endif
280 
281 #ifndef acpi_semaphore
282 #define acpi_semaphore                  void *
283 #endif
284 
285 #ifndef acpi_mutex
286 #define acpi_mutex                      void *
287 #endif
288 
289 /*******************************************************************************
290  *
291  * Compiler-dependent types
292  *
293  * If the defaults below are not appropriate for the host compiler, they can
294  * be defined in the compiler-specific header, and this will take precedence.
295  *
296  ******************************************************************************/
297 
298 /* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */
299 
300 #ifndef acpi_uintptr_t
301 #define acpi_uintptr_t                  void *
302 #endif
303 
304 /*
305  * ACPI_PRINTF_LIKE is used to tag functions as "printf-like" because
306  * some compilers can catch printf format string problems
307  */
308 #ifndef ACPI_PRINTF_LIKE
309 #define ACPI_PRINTF_LIKE(c)
310 #endif
311 
312 /*
313  * Some compilers complain about unused variables. Sometimes we don't want to
314  * use all the variables (for example, _acpi_module_name). This allows us
315  * to tell the compiler in a per-variable manner that a variable
316  * is unused
317  */
318 #ifndef ACPI_UNUSED_VAR
319 #define ACPI_UNUSED_VAR
320 #endif
321 
322 /*
323  * All ACPICA external functions that are available to the rest of the kernel
324  * are tagged with thes macros which can be defined as appropriate for the host.
325  *
326  * Notes:
327  * ACPI_EXPORT_SYMBOL_INIT is used for initialization and termination
328  * interfaces that may need special processing.
329  * ACPI_EXPORT_SYMBOL is used for all other public external functions.
330  */
331 #ifndef ACPI_EXPORT_SYMBOL_INIT
332 #define ACPI_EXPORT_SYMBOL_INIT(symbol)
333 #endif
334 
335 #ifndef ACPI_EXPORT_SYMBOL
336 #define ACPI_EXPORT_SYMBOL(symbol)
337 #endif
338 
339 /*
340  * Compiler/Clibrary-dependent debug initialization. Used for ACPICA
341  * utilities only.
342  */
343 #ifndef ACPI_DEBUG_INITIALIZE
344 #define ACPI_DEBUG_INITIALIZE()
345 #endif
346 
347 /*******************************************************************************
348  *
349  * Configuration
350  *
351  ******************************************************************************/
352 
353 #ifdef ACPI_NO_MEM_ALLOCATIONS
354 
355 #define ACPI_ALLOCATE(a)                NULL
356 #define ACPI_ALLOCATE_ZEROED(a)         NULL
357 #define ACPI_FREE(a)
358 #define ACPI_MEM_TRACKING(a)
359 
360 #else                           /* ACPI_NO_MEM_ALLOCATIONS */
361 
362 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
363 /*
364  * Memory allocation tracking (used by acpi_exec to detect memory leaks)
365  */
366 #define ACPI_MEM_PARAMETERS             _COMPONENT, _acpi_module_name, __LINE__
367 #define ACPI_ALLOCATE(a)                acpi_ut_allocate_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS)
368 #define ACPI_ALLOCATE_ZEROED(a)         acpi_ut_allocate_zeroed_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS)
369 #define ACPI_FREE(a)                    acpi_ut_free_and_track (a, ACPI_MEM_PARAMETERS)
370 #define ACPI_MEM_TRACKING(a)            a
371 
372 #else
373 /*
374  * Normal memory allocation directly via the OS services layer
375  */
376 #define ACPI_ALLOCATE(a)                acpi_os_allocate ((acpi_size) (a))
377 #define ACPI_ALLOCATE_ZEROED(a)         acpi_os_allocate_zeroed ((acpi_size) (a))
378 #define ACPI_FREE(a)                    acpi_os_free (a)
379 #define ACPI_MEM_TRACKING(a)
380 
381 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */
382 
383 #endif                          /* ACPI_NO_MEM_ALLOCATIONS */
384 
385 /******************************************************************************
386  *
387  * ACPI Specification constants (Do not change unless the specification changes)
388  *
389  *****************************************************************************/
390 
391 /* Number of distinct FADT-based GPE register blocks (GPE0 and GPE1) */
392 
393 #define ACPI_MAX_GPE_BLOCKS             2
394 
395 /* Default ACPI register widths */
396 
397 #define ACPI_GPE_REGISTER_WIDTH         8
398 #define ACPI_PM1_REGISTER_WIDTH         16
399 #define ACPI_PM2_REGISTER_WIDTH         8
400 #define ACPI_PM_TIMER_WIDTH             32
401 #define ACPI_RESET_REGISTER_WIDTH       8
402 
403 /* Names within the namespace are 4 bytes long */
404 
405 #define ACPI_NAME_SIZE                  4
406 #define ACPI_PATH_SEGMENT_LENGTH        5       /* 4 chars for name + 1 char for separator */
407 #define ACPI_PATH_SEPARATOR             '.'
408 
409 /* Sizes for ACPI table headers */
410 
411 #define ACPI_OEM_ID_SIZE                6
412 #define ACPI_OEM_TABLE_ID_SIZE          8
413 
414 /* ACPI/PNP hardware IDs */
415 
416 #define PCI_ROOT_HID_STRING             "PNP0A03"
417 #define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
418 
419 /* PM Timer ticks per second (HZ) */
420 
421 #define ACPI_PM_TIMER_FREQUENCY         3579545
422 
423 /*******************************************************************************
424  *
425  * Independent types
426  *
427  ******************************************************************************/
428 
429 /* Logical defines and NULL */
430 
431 #ifdef FALSE
432 #undef FALSE
433 #endif
434 #define FALSE                           (1 == 0)
435 
436 #ifdef TRUE
437 #undef TRUE
438 #endif
439 #define TRUE                            (1 == 1)
440 
441 #ifndef NULL
442 #define NULL                            (void *) 0
443 #endif
444 
445 /*
446  * Miscellaneous types
447  */
448 typedef u32 acpi_status;        /* All ACPI Exceptions */
449 typedef u32 acpi_name;          /* 4-byte ACPI name */
450 typedef char *acpi_string;      /* Null terminated ASCII string */
451 typedef void *acpi_handle;      /* Actually a ptr to a NS Node */
452 
453 /* Time constants for timer calculations */
454 
455 #define ACPI_MSEC_PER_SEC               1000L
456 
457 #define ACPI_USEC_PER_MSEC              1000L
458 #define ACPI_USEC_PER_SEC               1000000L
459 
460 #define ACPI_100NSEC_PER_USEC           10L
461 #define ACPI_100NSEC_PER_MSEC           10000L
462 #define ACPI_100NSEC_PER_SEC            10000000L
463 
464 #define ACPI_NSEC_PER_USEC              1000L
465 #define ACPI_NSEC_PER_MSEC              1000000L
466 #define ACPI_NSEC_PER_SEC               1000000000L
467 
468 /* Owner IDs are used to track namespace nodes for selective deletion */
469 
470 typedef u8 acpi_owner_id;
471 #define ACPI_OWNER_ID_MAX               0xFF
472 
473 #define ACPI_INTEGER_BIT_SIZE           64
474 #define ACPI_MAX_DECIMAL_DIGITS         20      /* 2^64 = 18,446,744,073,709,551,616 */
475 
476 #if ACPI_MACHINE_WIDTH == 64
477 #define ACPI_USE_NATIVE_DIVIDE  /* Use compiler native 64-bit divide */
478 #endif
479 
480 #define ACPI_MAX64_DECIMAL_DIGITS       20
481 #define ACPI_MAX32_DECIMAL_DIGITS       10
482 #define ACPI_MAX16_DECIMAL_DIGITS        5
483 #define ACPI_MAX8_DECIMAL_DIGITS         3
484 
485 /*
486  * Constants with special meanings
487  */
488 #define ACPI_ROOT_OBJECT                ACPI_ADD_PTR (acpi_handle, NULL, ACPI_MAX_PTR)
489 #define ACPI_WAIT_FOREVER               0xFFFF  /* u16, as per ACPI spec */
490 #define ACPI_DO_NOT_WAIT                0
491 
492 /*
493  * Obsolete: Acpi integer width. In ACPI version 1 (1996), integers are 32 bits.
494  * In ACPI version 2 (2000) and later, integers are 64 bits. Note that this
495  * pertains to the ACPI integer type only, not to other integers used in the
496  * implementation of the ACPICA subsystem.
497  *
498  * 01/2010: This type is obsolete and has been removed from the entire ACPICA
499  * code base. It remains here for compatibility with device drivers that use
500  * the type. However, it will be removed in the future.
501  */
502 typedef u64 acpi_integer;
503 #define ACPI_INTEGER_MAX                ACPI_UINT64_MAX
504 
505 /*******************************************************************************
506  *
507  * Commonly used macros
508  *
509  ******************************************************************************/
510 
511 /* Data manipulation */
512 
513 #define ACPI_LOBYTE(integer)            ((u8)   (u16)(integer))
514 #define ACPI_HIBYTE(integer)            ((u8) (((u16)(integer)) >> 8))
515 #define ACPI_LOWORD(integer)            ((u16)  (u32)(integer))
516 #define ACPI_HIWORD(integer)            ((u16)(((u32)(integer)) >> 16))
517 #define ACPI_LODWORD(integer64)         ((u32)  (u64)(integer64))
518 #define ACPI_HIDWORD(integer64)         ((u32)(((u64)(integer64)) >> 32))
519 
520 #define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
521 #define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
522 #define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
523 #define ACPI_MAX(a,b)                   (((a)>(b))?(a):(b))
524 
525 /* Size calculation */
526 
527 #define ACPI_ARRAY_LENGTH(x)            (sizeof(x) / sizeof((x)[0]))
528 
529 /* Pointer manipulation */
530 
531 #define ACPI_CAST_PTR(t, p)             ((t *) (acpi_uintptr_t) (p))
532 #define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **) (acpi_uintptr_t) (p))
533 #define ACPI_ADD_PTR(t, a, b)           ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) + (acpi_size)(b)))
534 #define ACPI_PTR_DIFF(a, b)             (acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b)))
535 
536 /* Pointer/Integer type conversions */
537 
538 #define ACPI_TO_POINTER(i)              ACPI_ADD_PTR (void, (void *) NULL,(acpi_size) i)
539 #define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p, (void *) NULL)
540 #define ACPI_OFFSET(d, f)               ACPI_PTR_DIFF (&(((d *) 0)->f), (void *) NULL)
541 #define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
542 #define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
543 
544 /* Optimizations for 4-character (32-bit) acpi_name manipulation */
545 
546 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
547 #define ACPI_COMPARE_NAME(a,b)          (*ACPI_CAST_PTR (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
548 #define ACPI_MOVE_NAME(dest,src)        (*ACPI_CAST_PTR (u32, (dest)) = *ACPI_CAST_PTR (u32, (src)))
549 #else
550 #define ACPI_COMPARE_NAME(a,b)          (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
551 #define ACPI_MOVE_NAME(dest,src)        (ACPI_STRNCPY (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAME_SIZE))
552 #endif
553 
554 /* Support for the special RSDP signature (8 characters) */
555 
556 #define ACPI_VALIDATE_RSDP_SIG(a)       (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
557 #define ACPI_MAKE_RSDP_SIG(dest)        (ACPI_MEMCPY (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
558 
559 /*******************************************************************************
560  *
561  * Miscellaneous constants
562  *
563  ******************************************************************************/
564 
565 /*
566  * Initialization sequence
567  */
568 #define ACPI_FULL_INITIALIZATION        0x00
569 #define ACPI_NO_ADDRESS_SPACE_INIT      0x01
570 #define ACPI_NO_HARDWARE_INIT           0x02
571 #define ACPI_NO_EVENT_INIT              0x04
572 #define ACPI_NO_HANDLER_INIT            0x08
573 #define ACPI_NO_ACPI_ENABLE             0x10
574 #define ACPI_NO_DEVICE_INIT             0x20
575 #define ACPI_NO_OBJECT_INIT             0x40
576 
577 /*
578  * Initialization state
579  */
580 #define ACPI_SUBSYSTEM_INITIALIZE       0x01
581 #define ACPI_INITIALIZED_OK             0x02
582 
583 /*
584  * Power state values
585  */
586 #define ACPI_STATE_UNKNOWN              (u8) 0xFF
587 
588 #define ACPI_STATE_S0                   (u8) 0
589 #define ACPI_STATE_S1                   (u8) 1
590 #define ACPI_STATE_S2                   (u8) 2
591 #define ACPI_STATE_S3                   (u8) 3
592 #define ACPI_STATE_S4                   (u8) 4
593 #define ACPI_STATE_S5                   (u8) 5
594 #define ACPI_S_STATES_MAX               ACPI_STATE_S5
595 #define ACPI_S_STATE_COUNT              6
596 
597 #define ACPI_STATE_D0                   (u8) 0
598 #define ACPI_STATE_D1                   (u8) 1
599 #define ACPI_STATE_D2                   (u8) 2
600 #define ACPI_STATE_D3_HOT               (u8) 3
601 #define ACPI_STATE_D3                   (u8) 4
602 #define ACPI_STATE_D3_COLD              ACPI_STATE_D3
603 #define ACPI_D_STATES_MAX               ACPI_STATE_D3
604 #define ACPI_D_STATE_COUNT              5
605 
606 #define ACPI_STATE_C0                   (u8) 0
607 #define ACPI_STATE_C1                   (u8) 1
608 #define ACPI_STATE_C2                   (u8) 2
609 #define ACPI_STATE_C3                   (u8) 3
610 #define ACPI_C_STATES_MAX               ACPI_STATE_C3
611 #define ACPI_C_STATE_COUNT              4
612 
613 /*
614  * Sleep type invalid value
615  */
616 #define ACPI_SLEEP_TYPE_MAX             0x7
617 #define ACPI_SLEEP_TYPE_INVALID         0xFF
618 
619 /*
620  * Standard notify values
621  */
622 #define ACPI_NOTIFY_BUS_CHECK           (u8) 0x00
623 #define ACPI_NOTIFY_DEVICE_CHECK        (u8) 0x01
624 #define ACPI_NOTIFY_DEVICE_WAKE         (u8) 0x02
625 #define ACPI_NOTIFY_EJECT_REQUEST       (u8) 0x03
626 #define ACPI_NOTIFY_DEVICE_CHECK_LIGHT  (u8) 0x04
627 #define ACPI_NOTIFY_FREQUENCY_MISMATCH  (u8) 0x05
628 #define ACPI_NOTIFY_BUS_MODE_MISMATCH   (u8) 0x06
629 #define ACPI_NOTIFY_POWER_FAULT         (u8) 0x07
630 #define ACPI_NOTIFY_CAPABILITIES_CHECK  (u8) 0x08
631 #define ACPI_NOTIFY_DEVICE_PLD_CHECK    (u8) 0x09
632 #define ACPI_NOTIFY_RESERVED            (u8) 0x0A
633 #define ACPI_NOTIFY_LOCALITY_UPDATE     (u8) 0x0B
634 #define ACPI_NOTIFY_SHUTDOWN_REQUEST    (u8) 0x0C
635 #define ACPI_NOTIFY_AFFINITY_UPDATE     (u8) 0x0D
636 
637 #define ACPI_NOTIFY_MAX                 0x0D
638 
639 /*
640  * Types associated with ACPI names and objects. The first group of
641  * values (up to ACPI_TYPE_EXTERNAL_MAX) correspond to the definition
642  * of the ACPI object_type() operator (See the ACPI Spec). Therefore,
643  * only add to the first group if the spec changes.
644  *
645  * NOTE: Types must be kept in sync with the global acpi_ns_properties
646  * and acpi_ns_type_names arrays.
647  */
648 typedef u32 acpi_object_type;
649 
650 #define ACPI_TYPE_ANY                   0x00
651 #define ACPI_TYPE_INTEGER               0x01    /* Byte/Word/Dword/Zero/One/Ones */
652 #define ACPI_TYPE_STRING                0x02
653 #define ACPI_TYPE_BUFFER                0x03
654 #define ACPI_TYPE_PACKAGE               0x04    /* byte_const, multiple data_term/Constant/super_name */
655 #define ACPI_TYPE_FIELD_UNIT            0x05
656 #define ACPI_TYPE_DEVICE                0x06    /* Name, multiple Node */
657 #define ACPI_TYPE_EVENT                 0x07
658 #define ACPI_TYPE_METHOD                0x08    /* Name, byte_const, multiple Code */
659 #define ACPI_TYPE_MUTEX                 0x09
660 #define ACPI_TYPE_REGION                0x0A
661 #define ACPI_TYPE_POWER                 0x0B    /* Name,byte_const,word_const,multi Node */
662 #define ACPI_TYPE_PROCESSOR             0x0C    /* Name,byte_const,Dword_const,byte_const,multi nm_o */
663 #define ACPI_TYPE_THERMAL               0x0D    /* Name, multiple Node */
664 #define ACPI_TYPE_BUFFER_FIELD          0x0E
665 #define ACPI_TYPE_DDB_HANDLE            0x0F
666 #define ACPI_TYPE_DEBUG_OBJECT          0x10
667 
668 #define ACPI_TYPE_EXTERNAL_MAX          0x10
669 
670 /*
671  * These are object types that do not map directly to the ACPI
672  * object_type() operator. They are used for various internal purposes only.
673  * If new predefined ACPI_TYPEs are added (via the ACPI specification), these
674  * internal types must move upwards. (There is code that depends on these
675  * values being contiguous with the external types above.)
676  */
677 #define ACPI_TYPE_LOCAL_REGION_FIELD    0x11
678 #define ACPI_TYPE_LOCAL_BANK_FIELD      0x12
679 #define ACPI_TYPE_LOCAL_INDEX_FIELD     0x13
680 #define ACPI_TYPE_LOCAL_REFERENCE       0x14    /* Arg#, Local#, Name, Debug, ref_of, Index */
681 #define ACPI_TYPE_LOCAL_ALIAS           0x15
682 #define ACPI_TYPE_LOCAL_METHOD_ALIAS    0x16
683 #define ACPI_TYPE_LOCAL_NOTIFY          0x17
684 #define ACPI_TYPE_LOCAL_ADDRESS_HANDLER 0x18
685 #define ACPI_TYPE_LOCAL_RESOURCE        0x19
686 #define ACPI_TYPE_LOCAL_RESOURCE_FIELD  0x1A
687 #define ACPI_TYPE_LOCAL_SCOPE           0x1B    /* 1 Name, multiple object_list Nodes */
688 
689 #define ACPI_TYPE_NS_NODE_MAX           0x1B    /* Last typecode used within a NS Node */
690 
691 /*
692  * These are special object types that never appear in
693  * a Namespace node, only in an object of union acpi_operand_object
694  */
695 #define ACPI_TYPE_LOCAL_EXTRA           0x1C
696 #define ACPI_TYPE_LOCAL_DATA            0x1D
697 
698 #define ACPI_TYPE_LOCAL_MAX             0x1D
699 
700 /* All types above here are invalid */
701 
702 #define ACPI_TYPE_INVALID               0x1E
703 #define ACPI_TYPE_NOT_FOUND             0xFF
704 
705 #define ACPI_NUM_NS_TYPES               (ACPI_TYPE_INVALID + 1)
706 
707 /*
708  * All I/O
709  */
710 #define ACPI_READ                       0
711 #define ACPI_WRITE                      1
712 #define ACPI_IO_MASK                    1
713 
714 /*
715  * Event Types: Fixed & General Purpose
716  */
717 typedef u32 acpi_event_type;
718 
719 /*
720  * Fixed events
721  */
722 #define ACPI_EVENT_PMTIMER              0
723 #define ACPI_EVENT_GLOBAL               1
724 #define ACPI_EVENT_POWER_BUTTON         2
725 #define ACPI_EVENT_SLEEP_BUTTON         3
726 #define ACPI_EVENT_RTC                  4
727 #define ACPI_EVENT_MAX                  4
728 #define ACPI_NUM_FIXED_EVENTS           ACPI_EVENT_MAX + 1
729 
730 /*
731  * Event status - Per event
732  * -------------
733  * The encoding of acpi_event_status is illustrated below.
734  * Note that a set bit (1) indicates the property is TRUE
735  * (e.g. if bit 0 is set then the event is enabled).
736  * +-------------+-+-+-+-+
737  * |   Bits 31:4 |3|2|1|0|
738  * +-------------+-+-+-+-+
739  *          |     | | | |
740  *          |     | | | +- Enabled?
741  *          |     | | +--- Enabled for wake?
742  *          |     | +----- Set?
743  *          |     +------- Has a handler?
744  *          +------------- <Reserved>
745  */
746 typedef u32 acpi_event_status;
747 
748 #define ACPI_EVENT_FLAG_DISABLED        (acpi_event_status) 0x00
749 #define ACPI_EVENT_FLAG_ENABLED         (acpi_event_status) 0x01
750 #define ACPI_EVENT_FLAG_WAKE_ENABLED    (acpi_event_status) 0x02
751 #define ACPI_EVENT_FLAG_SET             (acpi_event_status) 0x04
752 #define ACPI_EVENT_FLAG_HAS_HANDLER     (acpi_event_status) 0x08
753 
754 /* Actions for acpi_set_gpe, acpi_gpe_wakeup, acpi_hw_low_set_gpe */
755 
756 #define ACPI_GPE_ENABLE                 0
757 #define ACPI_GPE_DISABLE                1
758 #define ACPI_GPE_CONDITIONAL_ENABLE     2
759 #define ACPI_GPE_SAVE_MASK              4
760 
761 #define ACPI_GPE_ENABLE_SAVE            (ACPI_GPE_ENABLE | ACPI_GPE_SAVE_MASK)
762 #define ACPI_GPE_DISABLE_SAVE           (ACPI_GPE_DISABLE | ACPI_GPE_SAVE_MASK)
763 
764 /*
765  * GPE info flags - Per GPE
766  * +-------+-+-+---+
767  * |  7:4  |3|2|1:0|
768  * +-------+-+-+---+
769  *     |    | |  |
770  *     |    | |  +-- Type of dispatch:to method, handler, notify, or none
771  *     |    | +----- Interrupt type: edge or level triggered
772  *     |    +------- Is a Wake GPE
773  *     +------------ <Reserved>
774  */
775 #define ACPI_GPE_DISPATCH_NONE          (u8) 0x00
776 #define ACPI_GPE_DISPATCH_METHOD        (u8) 0x01
777 #define ACPI_GPE_DISPATCH_HANDLER       (u8) 0x02
778 #define ACPI_GPE_DISPATCH_NOTIFY        (u8) 0x03
779 #define ACPI_GPE_DISPATCH_MASK          (u8) 0x03
780 
781 #define ACPI_GPE_LEVEL_TRIGGERED        (u8) 0x04
782 #define ACPI_GPE_EDGE_TRIGGERED         (u8) 0x00
783 #define ACPI_GPE_XRUPT_TYPE_MASK        (u8) 0x04
784 
785 #define ACPI_GPE_CAN_WAKE               (u8) 0x08
786 
787 /*
788  * Flags for GPE and Lock interfaces
789  */
790 #define ACPI_NOT_ISR                    0x1
791 #define ACPI_ISR                        0x0
792 
793 /* Notify types */
794 
795 #define ACPI_SYSTEM_NOTIFY              0x1
796 #define ACPI_DEVICE_NOTIFY              0x2
797 #define ACPI_ALL_NOTIFY                 (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
798 #define ACPI_MAX_NOTIFY_HANDLER_TYPE    0x3
799 #define ACPI_NUM_NOTIFY_TYPES           2
800 
801 #define ACPI_MAX_SYS_NOTIFY             0x7F
802 #define ACPI_MAX_DEVICE_SPECIFIC_NOTIFY 0xBF
803 
804 #define ACPI_SYSTEM_HANDLER_LIST        0       /* Used as index, must be SYSTEM_NOTIFY -1 */
805 #define ACPI_DEVICE_HANDLER_LIST        1       /* Used as index, must be DEVICE_NOTIFY -1 */
806 
807 /* Address Space (Operation Region) Types */
808 
809 typedef u8 acpi_adr_space_type;
810 
811 #define ACPI_ADR_SPACE_SYSTEM_MEMORY    (acpi_adr_space_type) 0
812 #define ACPI_ADR_SPACE_SYSTEM_IO        (acpi_adr_space_type) 1
813 #define ACPI_ADR_SPACE_PCI_CONFIG       (acpi_adr_space_type) 2
814 #define ACPI_ADR_SPACE_EC               (acpi_adr_space_type) 3
815 #define ACPI_ADR_SPACE_SMBUS            (acpi_adr_space_type) 4
816 #define ACPI_ADR_SPACE_CMOS             (acpi_adr_space_type) 5
817 #define ACPI_ADR_SPACE_PCI_BAR_TARGET   (acpi_adr_space_type) 6
818 #define ACPI_ADR_SPACE_IPMI             (acpi_adr_space_type) 7
819 #define ACPI_ADR_SPACE_GPIO             (acpi_adr_space_type) 8
820 #define ACPI_ADR_SPACE_GSBUS            (acpi_adr_space_type) 9
821 #define ACPI_ADR_SPACE_PLATFORM_COMM    (acpi_adr_space_type) 10
822 
823 #define ACPI_NUM_PREDEFINED_REGIONS     11
824 
825 /*
826  * Special Address Spaces
827  *
828  * Note: A Data Table region is a special type of operation region
829  * that has its own AML opcode. However, internally, the AML
830  * interpreter simply creates an operation region with an an address
831  * space type of ACPI_ADR_SPACE_DATA_TABLE.
832  */
833 #define ACPI_ADR_SPACE_DATA_TABLE       (acpi_adr_space_type) 0x7E      /* Internal to ACPICA only */
834 #define ACPI_ADR_SPACE_FIXED_HARDWARE   (acpi_adr_space_type) 0x7F
835 
836 /* Values for _REG connection code */
837 
838 #define ACPI_REG_DISCONNECT             0
839 #define ACPI_REG_CONNECT                1
840 
841 /*
842  * bit_register IDs
843  *
844  * These values are intended to be used by the hardware interfaces
845  * and are mapped to individual bitfields defined within the ACPI
846  * registers. See the acpi_gbl_bit_register_info global table in utglobal.c
847  * for this mapping.
848  */
849 
850 /* PM1 Status register */
851 
852 #define ACPI_BITREG_TIMER_STATUS                0x00
853 #define ACPI_BITREG_BUS_MASTER_STATUS           0x01
854 #define ACPI_BITREG_GLOBAL_LOCK_STATUS          0x02
855 #define ACPI_BITREG_POWER_BUTTON_STATUS         0x03
856 #define ACPI_BITREG_SLEEP_BUTTON_STATUS         0x04
857 #define ACPI_BITREG_RT_CLOCK_STATUS             0x05
858 #define ACPI_BITREG_WAKE_STATUS                 0x06
859 #define ACPI_BITREG_PCIEXP_WAKE_STATUS          0x07
860 
861 /* PM1 Enable register */
862 
863 #define ACPI_BITREG_TIMER_ENABLE                0x08
864 #define ACPI_BITREG_GLOBAL_LOCK_ENABLE          0x09
865 #define ACPI_BITREG_POWER_BUTTON_ENABLE         0x0A
866 #define ACPI_BITREG_SLEEP_BUTTON_ENABLE         0x0B
867 #define ACPI_BITREG_RT_CLOCK_ENABLE             0x0C
868 #define ACPI_BITREG_PCIEXP_WAKE_DISABLE         0x0D
869 
870 /* PM1 Control register */
871 
872 #define ACPI_BITREG_SCI_ENABLE                  0x0E
873 #define ACPI_BITREG_BUS_MASTER_RLD              0x0F
874 #define ACPI_BITREG_GLOBAL_LOCK_RELEASE         0x10
875 #define ACPI_BITREG_SLEEP_TYPE                  0x11
876 #define ACPI_BITREG_SLEEP_ENABLE                0x12
877 
878 /* PM2 Control register */
879 
880 #define ACPI_BITREG_ARB_DISABLE                 0x13
881 
882 #define ACPI_BITREG_MAX                         0x13
883 #define ACPI_NUM_BITREG                         ACPI_BITREG_MAX + 1
884 
885 /* Status register values. A 1 clears a status bit. 0 = no effect */
886 
887 #define ACPI_CLEAR_STATUS                       1
888 
889 /* Enable and Control register values */
890 
891 #define ACPI_ENABLE_EVENT                       1
892 #define ACPI_DISABLE_EVENT                      0
893 
894 /* Sleep function dispatch */
895 
896 typedef acpi_status(*acpi_sleep_function) (u8 sleep_state);
897 
898 struct acpi_sleep_functions {
899         acpi_sleep_function legacy_function;
900         acpi_sleep_function extended_function;
901 };
902 
903 /*
904  * External ACPI object definition
905  */
906 
907 /*
908  * Note: Type == ACPI_TYPE_ANY (0) is used to indicate a NULL package element
909  * or an unresolved named reference.
910  */
911 union acpi_object {
912         acpi_object_type type;  /* See definition of acpi_ns_type for values */
913         struct {
914                 acpi_object_type type;  /* ACPI_TYPE_INTEGER */
915                 u64 value;      /* The actual number */
916         } integer;
917 
918         struct {
919                 acpi_object_type type;  /* ACPI_TYPE_STRING */
920                 u32 length;     /* # of bytes in string, excluding trailing null */
921                 char *pointer;  /* points to the string value */
922         } string;
923 
924         struct {
925                 acpi_object_type type;  /* ACPI_TYPE_BUFFER */
926                 u32 length;     /* # of bytes in buffer */
927                 u8 *pointer;    /* points to the buffer */
928         } buffer;
929 
930         struct {
931                 acpi_object_type type;  /* ACPI_TYPE_PACKAGE */
932                 u32 count;      /* # of elements in package */
933                 union acpi_object *elements;    /* Pointer to an array of ACPI_OBJECTs */
934         } package;
935 
936         struct {
937                 acpi_object_type type;  /* ACPI_TYPE_LOCAL_REFERENCE */
938                 acpi_object_type actual_type;   /* Type associated with the Handle */
939                 acpi_handle handle;     /* object reference */
940         } reference;
941 
942         struct {
943                 acpi_object_type type;  /* ACPI_TYPE_PROCESSOR */
944                 u32 proc_id;
945                 acpi_io_address pblk_address;
946                 u32 pblk_length;
947         } processor;
948 
949         struct {
950                 acpi_object_type type;  /* ACPI_TYPE_POWER */
951                 u32 system_level;
952                 u32 resource_order;
953         } power_resource;
954 };
955 
956 /*
957  * List of objects, used as a parameter list for control method evaluation
958  */
959 struct acpi_object_list {
960         u32 count;
961         union acpi_object *pointer;
962 };
963 
964 /*
965  * Miscellaneous common Data Structures used by the interfaces
966  */
967 #define ACPI_NO_BUFFER              0
968 
969 #ifdef ACPI_NO_MEM_ALLOCATIONS
970 
971 #define ACPI_ALLOCATE_BUFFER        (acpi_size) (0)
972 #define ACPI_ALLOCATE_LOCAL_BUFFER  (acpi_size) (0)
973 
974 #else                           /* ACPI_NO_MEM_ALLOCATIONS */
975 
976 #define ACPI_ALLOCATE_BUFFER        (acpi_size) (-1)    /* Let ACPICA allocate buffer */
977 #define ACPI_ALLOCATE_LOCAL_BUFFER  (acpi_size) (-2)    /* For internal use only (enables tracking) */
978 
979 #endif                          /* ACPI_NO_MEM_ALLOCATIONS */
980 
981 struct acpi_buffer {
982         acpi_size length;       /* Length in bytes of the buffer */
983         void *pointer;          /* pointer to buffer */
984 };
985 
986 /*
987  * name_type for acpi_get_name
988  */
989 #define ACPI_FULL_PATHNAME              0
990 #define ACPI_SINGLE_NAME                1
991 #define ACPI_NAME_TYPE_MAX              1
992 
993 /*
994  * Predefined Namespace items
995  */
996 struct acpi_predefined_names {
997         char *name;
998         u8 type;
999         char *val;
1000 };
1001 
1002 /*
1003  * Structure and flags for acpi_get_system_info
1004  */
1005 #define ACPI_SYS_MODE_UNKNOWN           0x0000
1006 #define ACPI_SYS_MODE_ACPI              0x0001
1007 #define ACPI_SYS_MODE_LEGACY            0x0002
1008 #define ACPI_SYS_MODES_MASK             0x0003
1009 
1010 /*
1011  * System info returned by acpi_get_system_info()
1012  */
1013 struct acpi_system_info {
1014         u32 acpi_ca_version;
1015         u32 flags;
1016         u32 timer_resolution;
1017         u32 reserved1;
1018         u32 reserved2;
1019         u32 debug_level;
1020         u32 debug_layer;
1021 };
1022 
1023 /*
1024  * System statistics returned by acpi_get_statistics()
1025  */
1026 struct acpi_statistics {
1027         u32 sci_count;
1028         u32 gpe_count;
1029         u32 fixed_event_count[ACPI_NUM_FIXED_EVENTS];
1030         u32 method_count;
1031 };
1032 
1033 /* Table Event Types */
1034 
1035 #define ACPI_TABLE_EVENT_LOAD           0x0
1036 #define ACPI_TABLE_EVENT_UNLOAD         0x1
1037 #define ACPI_NUM_TABLE_EVENTS           2
1038 
1039 /*
1040  * Types specific to the OS service interfaces
1041  */
1042 typedef u32
1043  (ACPI_SYSTEM_XFACE * acpi_osd_handler) (void *context);
1044 
1045 typedef void
1046  (ACPI_SYSTEM_XFACE * acpi_osd_exec_callback) (void *context);
1047 
1048 /*
1049  * Various handlers and callback procedures
1050  */
1051 typedef
1052 u32 (*acpi_sci_handler) (void *context);
1053 
1054 typedef
1055 void (*acpi_gbl_event_handler) (u32 event_type,
1056                                acpi_handle device,
1057                                u32 event_number, void *context);
1058 
1059 #define ACPI_EVENT_TYPE_GPE         0
1060 #define ACPI_EVENT_TYPE_FIXED       1
1061 
1062 typedef
1063 u32(*acpi_event_handler) (void *context);
1064 
1065 typedef
1066 u32 (*acpi_gpe_handler) (acpi_handle gpe_device, u32 gpe_number, void *context);
1067 
1068 typedef
1069 void (*acpi_notify_handler) (acpi_handle device, u32 value, void *context);
1070 
1071 typedef
1072 void (*acpi_object_handler) (acpi_handle object, void *data);
1073 
1074 typedef acpi_status(*acpi_init_handler) (acpi_handle object, u32 function);
1075 
1076 #define ACPI_INIT_DEVICE_INI        1
1077 
1078 typedef
1079 acpi_status(*acpi_exception_handler) (acpi_status aml_status,
1080                                       acpi_name name,
1081                                       u16 opcode,
1082                                       u32 aml_offset, void *context);
1083 
1084 /* Table Event handler (Load, load_table, etc.) and types */
1085 
1086 typedef
1087 acpi_status(*acpi_table_handler) (u32 event, void *table, void *context);
1088 
1089 #define ACPI_TABLE_LOAD             0x0
1090 #define ACPI_TABLE_UNLOAD           0x1
1091 #define ACPI_NUM_TABLE_EVENTS       2
1092 
1093 /* Address Spaces (For Operation Regions) */
1094 
1095 typedef
1096 acpi_status(*acpi_adr_space_handler) (u32 function,
1097                                       acpi_physical_address address,
1098                                       u32 bit_width,
1099                                       u64 *value,
1100                                       void *handler_context,
1101                                       void *region_context);
1102 
1103 #define ACPI_DEFAULT_HANDLER            NULL
1104 
1105 /* Special Context data for generic_serial_bus/general_purpose_io (ACPI 5.0) */
1106 
1107 struct acpi_connection_info {
1108         u8 *connection;
1109         u16 length;
1110         u8 access_length;
1111 };
1112 
1113 typedef
1114 acpi_status(*acpi_adr_space_setup) (acpi_handle region_handle,
1115                                     u32 function,
1116                                     void *handler_context,
1117                                     void **region_context);
1118 
1119 #define ACPI_REGION_ACTIVATE    0
1120 #define ACPI_REGION_DEACTIVATE  1
1121 
1122 typedef
1123 acpi_status(*acpi_walk_callback) (acpi_handle object,
1124                                   u32 nesting_level,
1125                                   void *context, void **return_value);
1126 
1127 typedef
1128 u32 (*acpi_interface_handler) (acpi_string interface_name, u32 supported);
1129 
1130 /* Interrupt handler return values */
1131 
1132 #define ACPI_INTERRUPT_NOT_HANDLED      0x00
1133 #define ACPI_INTERRUPT_HANDLED          0x01
1134 
1135 /* GPE handler return values */
1136 
1137 #define ACPI_REENABLE_GPE               0x80
1138 
1139 /* Length of 32-bit EISAID values when converted back to a string */
1140 
1141 #define ACPI_EISAID_STRING_SIZE         8       /* Includes null terminator */
1142 
1143 /* Length of UUID (string) values */
1144 
1145 #define ACPI_UUID_LENGTH                16
1146 
1147 /* Structures used for device/processor HID, UID, CID, and SUB */
1148 
1149 struct acpi_pnp_device_id {
1150         u32 length;             /* Length of string + null */
1151         char *string;
1152 };
1153 
1154 struct acpi_pnp_device_id_list {
1155         u32 count;              /* Number of IDs in Ids array */
1156         u32 list_size;          /* Size of list, including ID strings */
1157         struct acpi_pnp_device_id ids[1];       /* ID array */
1158 };
1159 
1160 /*
1161  * Structure returned from acpi_get_object_info.
1162  * Optimized for both 32- and 64-bit builds
1163  */
1164 struct acpi_device_info {
1165         u32 info_size;          /* Size of info, including ID strings */
1166         u32 name;               /* ACPI object Name */
1167         acpi_object_type type;  /* ACPI object Type */
1168         u8 param_count;         /* If a method, required parameter count */
1169         u8 valid;               /* Indicates which optional fields are valid */
1170         u8 flags;               /* Miscellaneous info */
1171         u8 highest_dstates[4];  /* _sx_d values: 0xFF indicates not valid */
1172         u8 lowest_dstates[5];   /* _sx_w values: 0xFF indicates not valid */
1173         u32 current_status;     /* _STA value */
1174         u64 address;    /* _ADR value */
1175         struct acpi_pnp_device_id hardware_id;  /* _HID value */
1176         struct acpi_pnp_device_id unique_id;    /* _UID value */
1177         struct acpi_pnp_device_id subsystem_id; /* _SUB value */
1178         struct acpi_pnp_device_id_list compatible_id_list;      /* _CID list <must be last> */
1179 };
1180 
1181 /* Values for Flags field above (acpi_get_object_info) */
1182 
1183 #define ACPI_PCI_ROOT_BRIDGE            0x01
1184 
1185 /* Flags for Valid field above (acpi_get_object_info) */
1186 
1187 #define ACPI_VALID_STA                  0x01
1188 #define ACPI_VALID_ADR                  0x02
1189 #define ACPI_VALID_HID                  0x04
1190 #define ACPI_VALID_UID                  0x08
1191 #define ACPI_VALID_SUB                  0x10
1192 #define ACPI_VALID_CID                  0x20
1193 #define ACPI_VALID_SXDS                 0x40
1194 #define ACPI_VALID_SXWS                 0x80
1195 
1196 /* Flags for _STA return value (current_status above) */
1197 
1198 #define ACPI_STA_DEVICE_PRESENT         0x01
1199 #define ACPI_STA_DEVICE_ENABLED         0x02
1200 #define ACPI_STA_DEVICE_UI              0x04
1201 #define ACPI_STA_DEVICE_FUNCTIONING     0x08
1202 #define ACPI_STA_DEVICE_OK              0x08    /* Synonym */
1203 #define ACPI_STA_BATTERY_PRESENT        0x10
1204 
1205 /* Context structs for address space handlers */
1206 
1207 struct acpi_pci_id {
1208         u16 segment;
1209         u16 bus;
1210         u16 device;
1211         u16 function;
1212 };
1213 
1214 struct acpi_mem_space_context {
1215         u32 length;
1216         acpi_physical_address address;
1217         acpi_physical_address mapped_physical_address;
1218         u8 *mapped_logical_address;
1219         acpi_size mapped_length;
1220 };
1221 
1222 /*
1223  * struct acpi_memory_list is used only if the ACPICA local cache is enabled
1224  */
1225 struct acpi_memory_list {
1226         char *list_name;
1227         void *list_head;
1228         u16 object_size;
1229         u16 max_depth;
1230         u16 current_depth;
1231 
1232 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
1233 
1234         /* Statistics for debug memory tracking only */
1235 
1236         u32 total_allocated;
1237         u32 total_freed;
1238         u32 max_occupied;
1239         u32 total_size;
1240         u32 current_total_size;
1241         u32 requests;
1242         u32 hits;
1243 #endif
1244 };
1245 
1246 /* Definitions of _OSI support */
1247 
1248 #define ACPI_VENDOR_STRINGS                 0x01
1249 #define ACPI_FEATURE_STRINGS                0x02
1250 #define ACPI_ENABLE_INTERFACES              0x00
1251 #define ACPI_DISABLE_INTERFACES             0x04
1252 
1253 #define ACPI_DISABLE_ALL_VENDOR_STRINGS     (ACPI_DISABLE_INTERFACES | ACPI_VENDOR_STRINGS)
1254 #define ACPI_DISABLE_ALL_FEATURE_STRINGS    (ACPI_DISABLE_INTERFACES | ACPI_FEATURE_STRINGS)
1255 #define ACPI_DISABLE_ALL_STRINGS            (ACPI_DISABLE_INTERFACES | ACPI_VENDOR_STRINGS | ACPI_FEATURE_STRINGS)
1256 #define ACPI_ENABLE_ALL_VENDOR_STRINGS      (ACPI_ENABLE_INTERFACES | ACPI_VENDOR_STRINGS)
1257 #define ACPI_ENABLE_ALL_FEATURE_STRINGS     (ACPI_ENABLE_INTERFACES | ACPI_FEATURE_STRINGS)
1258 #define ACPI_ENABLE_ALL_STRINGS             (ACPI_ENABLE_INTERFACES | ACPI_VENDOR_STRINGS | ACPI_FEATURE_STRINGS)
1259 
1260 #define ACPI_OSI_WIN_2000               0x01
1261 #define ACPI_OSI_WIN_XP                 0x02
1262 #define ACPI_OSI_WIN_XP_SP1             0x03
1263 #define ACPI_OSI_WINSRV_2003            0x04
1264 #define ACPI_OSI_WIN_XP_SP2             0x05
1265 #define ACPI_OSI_WINSRV_2003_SP1        0x06
1266 #define ACPI_OSI_WIN_VISTA              0x07
1267 #define ACPI_OSI_WINSRV_2008            0x08
1268 #define ACPI_OSI_WIN_VISTA_SP1          0x09
1269 #define ACPI_OSI_WIN_VISTA_SP2          0x0A
1270 #define ACPI_OSI_WIN_7                  0x0B
1271 #define ACPI_OSI_WIN_8                  0x0C
1272 
1273 /* Definitions of file IO */
1274 
1275 #define ACPI_FILE_READING               0x01
1276 #define ACPI_FILE_WRITING               0x02
1277 #define ACPI_FILE_BINARY                0x04
1278 
1279 #define ACPI_FILE_BEGIN                 0x01
1280 #define ACPI_FILE_END                   0x02
1281 
1282 /* Definitions of getopt */
1283 
1284 #define ACPI_OPT_END                    -1
1285 
1286 #endif                          /* __ACTYPES_H__ */
1287 

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