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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 - 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 __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  * Common types for all compilers, all targets
123  *
124  ******************************************************************************/
125 
126 typedef unsigned char BOOLEAN;
127 typedef unsigned char UINT8;
128 typedef unsigned short UINT16;
129 typedef COMPILER_DEPENDENT_UINT64 UINT64;
130 typedef COMPILER_DEPENDENT_INT64 INT64;
131 
132 /*! [End] no source code translation !*/
133 
134 /*
135  * Value returned by acpi_os_get_thread_id. There is no standard "thread_id"
136  * across operating systems or even the various UNIX systems. Since ACPICA
137  * only needs the thread ID as a unique thread identifier, we use a u64
138  * as the only common data type - it will accommodate any type of pointer or
139  * any type of integer. It is up to the host-dependent OSL to cast the
140  * native thread ID type to a u64 (in acpi_os_get_thread_id).
141  */
142 #define acpi_thread_id                  u64
143 
144 /*******************************************************************************
145  *
146  * Types specific to 64-bit targets
147  *
148  ******************************************************************************/
149 
150 #if ACPI_MACHINE_WIDTH == 64
151 
152 /*! [Begin] no source code translation (keep the typedefs as-is) */
153 
154 typedef unsigned int UINT32;
155 typedef int INT32;
156 
157 /*! [End] no source code translation !*/
158 
159 typedef s64 acpi_native_int;
160 
161 typedef u64 acpi_size;
162 typedef u64 acpi_io_address;
163 typedef u64 acpi_physical_address;
164 
165 #define ACPI_MAX_PTR                    ACPI_UINT64_MAX
166 #define ACPI_SIZE_MAX                   ACPI_UINT64_MAX
167 
168 #define ACPI_USE_NATIVE_DIVIDE	/* Has native 64-bit integer support */
169 
170 /*
171  * In the case of the Itanium Processor Family (IPF), the hardware does not
172  * support misaligned memory transfers. Set the MISALIGNMENT_NOT_SUPPORTED flag
173  * to indicate that special precautions must be taken to avoid alignment faults.
174  * (IA64 or ia64 is currently used by existing compilers to indicate IPF.)
175  *
176  * Note: EM64T and other X86-64 processors support misaligned transfers,
177  * so there is no need to define this flag.
178  */
179 #if defined (__IA64__) || defined (__ia64__)
180 #define ACPI_MISALIGNMENT_NOT_SUPPORTED
181 #endif
182 
183 /*******************************************************************************
184  *
185  * Types specific to 32-bit targets
186  *
187  ******************************************************************************/
188 
189 #elif ACPI_MACHINE_WIDTH == 32
190 
191 /*! [Begin] no source code translation (keep the typedefs as-is) */
192 
193 typedef unsigned int UINT32;
194 typedef int INT32;
195 
196 /*! [End] no source code translation !*/
197 
198 typedef s32 acpi_native_int;
199 
200 typedef u32 acpi_size;
201 typedef u32 acpi_io_address;
202 typedef u32 acpi_physical_address;
203 
204 #define ACPI_MAX_PTR                    ACPI_UINT32_MAX
205 #define ACPI_SIZE_MAX                   ACPI_UINT32_MAX
206 
207 #else
208 
209 /* ACPI_MACHINE_WIDTH must be either 64 or 32 */
210 
211 #error unknown ACPI_MACHINE_WIDTH
212 #endif
213 
214 /*******************************************************************************
215  *
216  * OS-dependent types
217  *
218  * If the defaults below are not appropriate for the host system, they can
219  * be defined in the OS-specific header, and this will take precedence.
220  *
221  ******************************************************************************/
222 
223 /* Flags for acpi_os_acquire_lock/acpi_os_release_lock */
224 
225 #ifndef acpi_cpu_flags
226 #define acpi_cpu_flags			acpi_size
227 #endif
228 
229 /* Object returned from acpi_os_create_cache */
230 
231 #ifndef acpi_cache_t
232 #ifdef ACPI_USE_LOCAL_CACHE
233 #define acpi_cache_t                    struct acpi_memory_list
234 #else
235 #define acpi_cache_t                    void *
236 #endif
237 #endif
238 
239 /*
240  * Synchronization objects - Mutexes, Semaphores, and spin_locks
241  */
242 #if (ACPI_MUTEX_TYPE == ACPI_BINARY_SEMAPHORE)
243 /*
244  * These macros are used if the host OS does not support a mutex object.
245  * Map the OSL Mutex interfaces to binary semaphores.
246  */
247 #define acpi_mutex                      acpi_semaphore
248 #define acpi_os_create_mutex(out_handle) acpi_os_create_semaphore (1, 1, out_handle)
249 #define acpi_os_delete_mutex(handle)    (void) acpi_os_delete_semaphore (handle)
250 #define acpi_os_acquire_mutex(handle,time) acpi_os_wait_semaphore (handle, 1, time)
251 #define acpi_os_release_mutex(handle)   (void) acpi_os_signal_semaphore (handle, 1)
252 #endif
253 
254 /* Configurable types for synchronization objects */
255 
256 #ifndef acpi_spinlock
257 #define acpi_spinlock                   void *
258 #endif
259 
260 #ifndef acpi_semaphore
261 #define acpi_semaphore                  void *
262 #endif
263 
264 #ifndef acpi_mutex
265 #define acpi_mutex                      void *
266 #endif
267 
268 /*******************************************************************************
269  *
270  * Compiler-dependent types
271  *
272  * If the defaults below are not appropriate for the host compiler, they can
273  * be defined in the compiler-specific header, and this will take precedence.
274  *
275  ******************************************************************************/
276 
277 /* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */
278 
279 #ifndef acpi_uintptr_t
280 #define acpi_uintptr_t                  void *
281 #endif
282 
283 /*
284  * ACPI_PRINTF_LIKE is used to tag functions as "printf-like" because
285  * some compilers can catch printf format string problems
286  */
287 #ifndef ACPI_PRINTF_LIKE
288 #define ACPI_PRINTF_LIKE(c)
289 #endif
290 
291 /*
292  * Some compilers complain about unused variables. Sometimes we don't want to
293  * use all the variables (for example, _acpi_module_name). This allows us
294  * to tell the compiler in a per-variable manner that a variable
295  * is unused
296  */
297 #ifndef ACPI_UNUSED_VAR
298 #define ACPI_UNUSED_VAR
299 #endif
300 
301 /*
302  * All ACPICA functions that are available to the rest of the kernel are
303  * tagged with this macro which can be defined as appropriate for the host.
304  */
305 #ifndef ACPI_EXPORT_SYMBOL
306 #define ACPI_EXPORT_SYMBOL(symbol)
307 #endif
308 
309 /******************************************************************************
310  *
311  * ACPI Specification constants (Do not change unless the specification changes)
312  *
313  *****************************************************************************/
314 
315 /* Number of distinct FADT-based GPE register blocks (GPE0 and GPE1) */
316 
317 #define ACPI_MAX_GPE_BLOCKS             2
318 
319 /* Default ACPI register widths */
320 
321 #define ACPI_GPE_REGISTER_WIDTH         8
322 #define ACPI_PM1_REGISTER_WIDTH         16
323 #define ACPI_PM2_REGISTER_WIDTH         8
324 #define ACPI_PM_TIMER_WIDTH             32
325 
326 /* Names within the namespace are 4 bytes long */
327 
328 #define ACPI_NAME_SIZE                  4
329 #define ACPI_PATH_SEGMENT_LENGTH        5	/* 4 chars for name + 1 char for separator */
330 #define ACPI_PATH_SEPARATOR             '.'
331 
332 /* Sizes for ACPI table headers */
333 
334 #define ACPI_OEM_ID_SIZE                6
335 #define ACPI_OEM_TABLE_ID_SIZE          8
336 
337 /* ACPI/PNP hardware IDs */
338 
339 #define PCI_ROOT_HID_STRING             "PNP0A03"
340 #define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
341 
342 /* PM Timer ticks per second (HZ) */
343 
344 #define ACPI_PM_TIMER_FREQUENCY         3579545
345 
346 /*******************************************************************************
347  *
348  * Independent types
349  *
350  ******************************************************************************/
351 
352 /* Logical defines and NULL */
353 
354 #ifdef FALSE
355 #undef FALSE
356 #endif
357 #define FALSE                           (1 == 0)
358 
359 #ifdef TRUE
360 #undef TRUE
361 #endif
362 #define TRUE                            (1 == 1)
363 
364 #ifndef NULL
365 #define NULL                            (void *) 0
366 #endif
367 
368 /*
369  * Miscellaneous types
370  */
371 typedef u32 acpi_status;	/* All ACPI Exceptions */
372 typedef u32 acpi_name;		/* 4-byte ACPI name */
373 typedef char *acpi_string;	/* Null terminated ASCII string */
374 typedef void *acpi_handle;	/* Actually a ptr to a NS Node */
375 
376 /* Time constants for timer calculations */
377 
378 #define ACPI_MSEC_PER_SEC               1000L
379 
380 #define ACPI_USEC_PER_MSEC              1000L
381 #define ACPI_USEC_PER_SEC               1000000L
382 
383 #define ACPI_100NSEC_PER_USEC           10L
384 #define ACPI_100NSEC_PER_MSEC           10000L
385 #define ACPI_100NSEC_PER_SEC            10000000L
386 
387 #define ACPI_NSEC_PER_USEC              1000L
388 #define ACPI_NSEC_PER_MSEC              1000000L
389 #define ACPI_NSEC_PER_SEC               1000000000L
390 
391 /* Owner IDs are used to track namespace nodes for selective deletion */
392 
393 typedef u8 acpi_owner_id;
394 #define ACPI_OWNER_ID_MAX               0xFF
395 
396 #define ACPI_INTEGER_BIT_SIZE           64
397 #define ACPI_MAX_DECIMAL_DIGITS         20	/* 2^64 = 18,446,744,073,709,551,616 */
398 
399 #if ACPI_MACHINE_WIDTH == 64
400 #define ACPI_USE_NATIVE_DIVIDE	/* Use compiler native 64-bit divide */
401 #endif
402 
403 #define ACPI_MAX64_DECIMAL_DIGITS       20
404 #define ACPI_MAX32_DECIMAL_DIGITS       10
405 #define ACPI_MAX16_DECIMAL_DIGITS        5
406 #define ACPI_MAX8_DECIMAL_DIGITS         3
407 
408 /*
409  * Constants with special meanings
410  */
411 #define ACPI_ROOT_OBJECT                ACPI_ADD_PTR (acpi_handle, NULL, ACPI_MAX_PTR)
412 #define ACPI_WAIT_FOREVER               0xFFFF	/* u16, as per ACPI spec */
413 #define ACPI_DO_NOT_WAIT                0
414 
415 /*
416  * Obsolete: Acpi integer width. In ACPI version 1 (1996), integers are 32 bits.
417  * In ACPI version 2 (2000) and later, integers are 64 bits. Note that this
418  * pertains to the ACPI integer type only, not to other integers used in the
419  * implementation of the ACPICA subsystem.
420  *
421  * 01/2010: This type is obsolete and has been removed from the entire ACPICA
422  * code base. It remains here for compatibility with device drivers that use
423  * the type. However, it will be removed in the future.
424  */
425 typedef u64 acpi_integer;
426 #define ACPI_INTEGER_MAX                ACPI_UINT64_MAX
427 
428 /*******************************************************************************
429  *
430  * Commonly used macros
431  *
432  ******************************************************************************/
433 
434 /* Data manipulation */
435 
436 #define ACPI_LOBYTE(integer)            ((u8)   (u16)(integer))
437 #define ACPI_HIBYTE(integer)            ((u8) (((u16)(integer)) >> 8))
438 #define ACPI_LOWORD(integer)            ((u16)  (u32)(integer))
439 #define ACPI_HIWORD(integer)            ((u16)(((u32)(integer)) >> 16))
440 #define ACPI_LODWORD(integer64)         ((u32)  (u64)(integer64))
441 #define ACPI_HIDWORD(integer64)         ((u32)(((u64)(integer64)) >> 32))
442 
443 #define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
444 #define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
445 #define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
446 #define ACPI_MAX(a,b)                   (((a)>(b))?(a):(b))
447 
448 /* Size calculation */
449 
450 #define ACPI_ARRAY_LENGTH(x)            (sizeof(x) / sizeof((x)[0]))
451 
452 /* Pointer manipulation */
453 
454 #define ACPI_CAST_PTR(t, p)             ((t *) (acpi_uintptr_t) (p))
455 #define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **) (acpi_uintptr_t) (p))
456 #define ACPI_ADD_PTR(t, a, b)           ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) + (acpi_size)(b)))
457 #define ACPI_PTR_DIFF(a, b)             (acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b)))
458 
459 /* Pointer/Integer type conversions */
460 
461 #define ACPI_TO_POINTER(i)              ACPI_ADD_PTR (void, (void *) NULL,(acpi_size) i)
462 #define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p, (void *) NULL)
463 #define ACPI_OFFSET(d, f)               (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f), (void *) NULL)
464 #define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
465 #define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
466 
467 /* Optimizations for 4-character (32-bit) acpi_name manipulation */
468 
469 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
470 #define ACPI_COMPARE_NAME(a,b)          (*ACPI_CAST_PTR (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
471 #define ACPI_MOVE_NAME(dest,src)        (*ACPI_CAST_PTR (u32, (dest)) = *ACPI_CAST_PTR (u32, (src)))
472 #else
473 #define ACPI_COMPARE_NAME(a,b)          (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
474 #define ACPI_MOVE_NAME(dest,src)        (ACPI_STRNCPY (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAME_SIZE))
475 #endif
476 
477 /*******************************************************************************
478  *
479  * Miscellaneous constants
480  *
481  ******************************************************************************/
482 
483 /*
484  * Initialization sequence
485  */
486 #define ACPI_FULL_INITIALIZATION        0x00
487 #define ACPI_NO_ADDRESS_SPACE_INIT      0x01
488 #define ACPI_NO_HARDWARE_INIT           0x02
489 #define ACPI_NO_EVENT_INIT              0x04
490 #define ACPI_NO_HANDLER_INIT            0x08
491 #define ACPI_NO_ACPI_ENABLE             0x10
492 #define ACPI_NO_DEVICE_INIT             0x20
493 #define ACPI_NO_OBJECT_INIT             0x40
494 
495 /*
496  * Initialization state
497  */
498 #define ACPI_SUBSYSTEM_INITIALIZE       0x01
499 #define ACPI_INITIALIZED_OK             0x02
500 
501 /*
502  * Power state values
503  */
504 #define ACPI_STATE_UNKNOWN              (u8) 0xFF
505 
506 #define ACPI_STATE_S0                   (u8) 0
507 #define ACPI_STATE_S1                   (u8) 1
508 #define ACPI_STATE_S2                   (u8) 2
509 #define ACPI_STATE_S3                   (u8) 3
510 #define ACPI_STATE_S4                   (u8) 4
511 #define ACPI_STATE_S5                   (u8) 5
512 #define ACPI_S_STATES_MAX               ACPI_STATE_S5
513 #define ACPI_S_STATE_COUNT              6
514 
515 #define ACPI_STATE_D0                   (u8) 0
516 #define ACPI_STATE_D1                   (u8) 1
517 #define ACPI_STATE_D2                   (u8) 2
518 #define ACPI_STATE_D3_HOT               (u8) 3
519 #define ACPI_STATE_D3                   (u8) 4
520 #define ACPI_STATE_D3_COLD              ACPI_STATE_D3
521 #define ACPI_D_STATES_MAX               ACPI_STATE_D3
522 #define ACPI_D_STATE_COUNT              5
523 
524 #define ACPI_STATE_C0                   (u8) 0
525 #define ACPI_STATE_C1                   (u8) 1
526 #define ACPI_STATE_C2                   (u8) 2
527 #define ACPI_STATE_C3                   (u8) 3
528 #define ACPI_C_STATES_MAX               ACPI_STATE_C3
529 #define ACPI_C_STATE_COUNT              4
530 
531 /*
532  * Sleep type invalid value
533  */
534 #define ACPI_SLEEP_TYPE_MAX             0x7
535 #define ACPI_SLEEP_TYPE_INVALID         0xFF
536 
537 /*
538  * Standard notify values
539  */
540 #define ACPI_NOTIFY_BUS_CHECK           (u8) 0x00
541 #define ACPI_NOTIFY_DEVICE_CHECK        (u8) 0x01
542 #define ACPI_NOTIFY_DEVICE_WAKE         (u8) 0x02
543 #define ACPI_NOTIFY_EJECT_REQUEST       (u8) 0x03
544 #define ACPI_NOTIFY_DEVICE_CHECK_LIGHT  (u8) 0x04
545 #define ACPI_NOTIFY_FREQUENCY_MISMATCH  (u8) 0x05
546 #define ACPI_NOTIFY_BUS_MODE_MISMATCH   (u8) 0x06
547 #define ACPI_NOTIFY_POWER_FAULT         (u8) 0x07
548 #define ACPI_NOTIFY_CAPABILITIES_CHECK  (u8) 0x08
549 #define ACPI_NOTIFY_DEVICE_PLD_CHECK    (u8) 0x09
550 #define ACPI_NOTIFY_RESERVED            (u8) 0x0A
551 #define ACPI_NOTIFY_LOCALITY_UPDATE     (u8) 0x0B
552 #define ACPI_NOTIFY_SHUTDOWN_REQUEST    (u8) 0x0C
553 
554 #define ACPI_NOTIFY_MAX                 0x0C
555 
556 /*
557  * Types associated with ACPI names and objects. The first group of
558  * values (up to ACPI_TYPE_EXTERNAL_MAX) correspond to the definition
559  * of the ACPI object_type() operator (See the ACPI Spec). Therefore,
560  * only add to the first group if the spec changes.
561  *
562  * NOTE: Types must be kept in sync with the global acpi_ns_properties
563  * and acpi_ns_type_names arrays.
564  */
565 typedef u32 acpi_object_type;
566 
567 #define ACPI_TYPE_ANY                   0x00
568 #define ACPI_TYPE_INTEGER               0x01	/* Byte/Word/Dword/Zero/One/Ones */
569 #define ACPI_TYPE_STRING                0x02
570 #define ACPI_TYPE_BUFFER                0x03
571 #define ACPI_TYPE_PACKAGE               0x04	/* byte_const, multiple data_term/Constant/super_name */
572 #define ACPI_TYPE_FIELD_UNIT            0x05
573 #define ACPI_TYPE_DEVICE                0x06	/* Name, multiple Node */
574 #define ACPI_TYPE_EVENT                 0x07
575 #define ACPI_TYPE_METHOD                0x08	/* Name, byte_const, multiple Code */
576 #define ACPI_TYPE_MUTEX                 0x09
577 #define ACPI_TYPE_REGION                0x0A
578 #define ACPI_TYPE_POWER                 0x0B	/* Name,byte_const,word_const,multi Node */
579 #define ACPI_TYPE_PROCESSOR             0x0C	/* Name,byte_const,Dword_const,byte_const,multi nm_o */
580 #define ACPI_TYPE_THERMAL               0x0D	/* Name, multiple Node */
581 #define ACPI_TYPE_BUFFER_FIELD          0x0E
582 #define ACPI_TYPE_DDB_HANDLE            0x0F
583 #define ACPI_TYPE_DEBUG_OBJECT          0x10
584 
585 #define ACPI_TYPE_EXTERNAL_MAX          0x10
586 
587 /*
588  * These are object types that do not map directly to the ACPI
589  * object_type() operator. They are used for various internal purposes only.
590  * If new predefined ACPI_TYPEs are added (via the ACPI specification), these
591  * internal types must move upwards. (There is code that depends on these
592  * values being contiguous with the external types above.)
593  */
594 #define ACPI_TYPE_LOCAL_REGION_FIELD    0x11
595 #define ACPI_TYPE_LOCAL_BANK_FIELD      0x12
596 #define ACPI_TYPE_LOCAL_INDEX_FIELD     0x13
597 #define ACPI_TYPE_LOCAL_REFERENCE       0x14	/* Arg#, Local#, Name, Debug, ref_of, Index */
598 #define ACPI_TYPE_LOCAL_ALIAS           0x15
599 #define ACPI_TYPE_LOCAL_METHOD_ALIAS    0x16
600 #define ACPI_TYPE_LOCAL_NOTIFY          0x17
601 #define ACPI_TYPE_LOCAL_ADDRESS_HANDLER 0x18
602 #define ACPI_TYPE_LOCAL_RESOURCE        0x19
603 #define ACPI_TYPE_LOCAL_RESOURCE_FIELD  0x1A
604 #define ACPI_TYPE_LOCAL_SCOPE           0x1B	/* 1 Name, multiple object_list Nodes */
605 
606 #define ACPI_TYPE_NS_NODE_MAX           0x1B	/* Last typecode used within a NS Node */
607 
608 /*
609  * These are special object types that never appear in
610  * a Namespace node, only in an object of union acpi_operand_object
611  */
612 #define ACPI_TYPE_LOCAL_EXTRA           0x1C
613 #define ACPI_TYPE_LOCAL_DATA            0x1D
614 
615 #define ACPI_TYPE_LOCAL_MAX             0x1D
616 
617 /* All types above here are invalid */
618 
619 #define ACPI_TYPE_INVALID               0x1E
620 #define ACPI_TYPE_NOT_FOUND             0xFF
621 
622 #define ACPI_NUM_NS_TYPES               (ACPI_TYPE_INVALID + 1)
623 
624 /*
625  * All I/O
626  */
627 #define ACPI_READ                       0
628 #define ACPI_WRITE                      1
629 #define ACPI_IO_MASK                    1
630 
631 /*
632  * Event Types: Fixed & General Purpose
633  */
634 typedef u32 acpi_event_type;
635 
636 /*
637  * Fixed events
638  */
639 #define ACPI_EVENT_PMTIMER              0
640 #define ACPI_EVENT_GLOBAL               1
641 #define ACPI_EVENT_POWER_BUTTON         2
642 #define ACPI_EVENT_SLEEP_BUTTON         3
643 #define ACPI_EVENT_RTC                  4
644 #define ACPI_EVENT_MAX                  4
645 #define ACPI_NUM_FIXED_EVENTS           ACPI_EVENT_MAX + 1
646 
647 /*
648  * Event status - Per event
649  * -------------
650  * The encoding of acpi_event_status is illustrated below.
651  * Note that a set bit (1) indicates the property is TRUE
652  * (e.g. if bit 0 is set then the event is enabled).
653  * +-------------+-+-+-+-+
654  * |   Bits 31:4 |3|2|1|0|
655  * +-------------+-+-+-+-+
656  *          |     | | | |
657  *          |     | | | +- Enabled?
658  *          |     | | +--- Enabled for wake?
659  *          |     | +----- Set?
660  *          |     +------- Has a handler?
661  *          +----------- <Reserved>
662  */
663 typedef u32 acpi_event_status;
664 
665 #define ACPI_EVENT_FLAG_DISABLED        (acpi_event_status) 0x00
666 #define ACPI_EVENT_FLAG_ENABLED         (acpi_event_status) 0x01
667 #define ACPI_EVENT_FLAG_WAKE_ENABLED    (acpi_event_status) 0x02
668 #define ACPI_EVENT_FLAG_SET             (acpi_event_status) 0x04
669 #define ACPI_EVENT_FLAG_HANDLE		(acpi_event_status) 0x08
670 
671 /*
672  * General Purpose Events (GPE)
673  */
674 #define ACPI_GPE_INVALID                0xFF
675 #define ACPI_GPE_MAX                    0xFF
676 #define ACPI_NUM_GPE                    256
677 
678 /* Actions for acpi_set_gpe, acpi_gpe_wakeup, acpi_hw_low_set_gpe */
679 
680 #define ACPI_GPE_ENABLE                 0
681 #define ACPI_GPE_DISABLE                1
682 #define ACPI_GPE_CONDITIONAL_ENABLE     2
683 
684 /*
685  * GPE info flags - Per GPE
686  * +-------+-+-+---+
687  * |  7:4  |3|2|1:0|
688  * +-------+-+-+---+
689  *     |    | |  |
690  *     |    | |  +-- Type of dispatch:to method, handler, notify, or none
691  *     |    | +----- Interrupt type: edge or level triggered
692  *     |    +------- Is a Wake GPE
693  *     +------------ <Reserved>
694  */
695 #define ACPI_GPE_DISPATCH_NONE          (u8) 0x00
696 #define ACPI_GPE_DISPATCH_METHOD        (u8) 0x01
697 #define ACPI_GPE_DISPATCH_HANDLER       (u8) 0x02
698 #define ACPI_GPE_DISPATCH_NOTIFY        (u8) 0x03
699 #define ACPI_GPE_DISPATCH_MASK          (u8) 0x03
700 
701 #define ACPI_GPE_LEVEL_TRIGGERED        (u8) 0x04
702 #define ACPI_GPE_EDGE_TRIGGERED         (u8) 0x00
703 #define ACPI_GPE_XRUPT_TYPE_MASK        (u8) 0x04
704 
705 #define ACPI_GPE_CAN_WAKE               (u8) 0x08
706 
707 /*
708  * Flags for GPE and Lock interfaces
709  */
710 #define ACPI_NOT_ISR                    0x1
711 #define ACPI_ISR                        0x0
712 
713 /* Notify types */
714 
715 #define ACPI_SYSTEM_NOTIFY              0x1
716 #define ACPI_DEVICE_NOTIFY              0x2
717 #define ACPI_ALL_NOTIFY                 (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
718 #define ACPI_MAX_NOTIFY_HANDLER_TYPE    0x3
719 #define ACPI_NUM_NOTIFY_TYPES           2
720 
721 #define ACPI_MAX_SYS_NOTIFY             0x7F
722 #define ACPI_MAX_DEVICE_SPECIFIC_NOTIFY 0xBF
723 
724 #define ACPI_SYSTEM_HANDLER_LIST        0	/* Used as index, must be SYSTEM_NOTIFY -1 */
725 #define ACPI_DEVICE_HANDLER_LIST        1	/* Used as index, must be DEVICE_NOTIFY -1 */
726 
727 /* Address Space (Operation Region) Types */
728 
729 typedef u8 acpi_adr_space_type;
730 
731 #define ACPI_ADR_SPACE_SYSTEM_MEMORY    (acpi_adr_space_type) 0
732 #define ACPI_ADR_SPACE_SYSTEM_IO        (acpi_adr_space_type) 1
733 #define ACPI_ADR_SPACE_PCI_CONFIG       (acpi_adr_space_type) 2
734 #define ACPI_ADR_SPACE_EC               (acpi_adr_space_type) 3
735 #define ACPI_ADR_SPACE_SMBUS            (acpi_adr_space_type) 4
736 #define ACPI_ADR_SPACE_CMOS             (acpi_adr_space_type) 5
737 #define ACPI_ADR_SPACE_PCI_BAR_TARGET   (acpi_adr_space_type) 6
738 #define ACPI_ADR_SPACE_IPMI             (acpi_adr_space_type) 7
739 #define ACPI_ADR_SPACE_GPIO             (acpi_adr_space_type) 8
740 #define ACPI_ADR_SPACE_GSBUS            (acpi_adr_space_type) 9
741 #define ACPI_ADR_SPACE_PLATFORM_COMM    (acpi_adr_space_type) 10
742 
743 #define ACPI_NUM_PREDEFINED_REGIONS     11
744 
745 /*
746  * Special Address Spaces
747  *
748  * Note: A Data Table region is a special type of operation region
749  * that has its own AML opcode. However, internally, the AML
750  * interpreter simply creates an operation region with an an address
751  * space type of ACPI_ADR_SPACE_DATA_TABLE.
752  */
753 #define ACPI_ADR_SPACE_DATA_TABLE       (acpi_adr_space_type) 0x7E	/* Internal to ACPICA only */
754 #define ACPI_ADR_SPACE_FIXED_HARDWARE   (acpi_adr_space_type) 0x7F
755 
756 /* Values for _REG connection code */
757 
758 #define ACPI_REG_DISCONNECT             0
759 #define ACPI_REG_CONNECT                1
760 
761 /*
762  * bit_register IDs
763  *
764  * These values are intended to be used by the hardware interfaces
765  * and are mapped to individual bitfields defined within the ACPI
766  * registers. See the acpi_gbl_bit_register_info global table in utglobal.c
767  * for this mapping.
768  */
769 
770 /* PM1 Status register */
771 
772 #define ACPI_BITREG_TIMER_STATUS                0x00
773 #define ACPI_BITREG_BUS_MASTER_STATUS           0x01
774 #define ACPI_BITREG_GLOBAL_LOCK_STATUS          0x02
775 #define ACPI_BITREG_POWER_BUTTON_STATUS         0x03
776 #define ACPI_BITREG_SLEEP_BUTTON_STATUS         0x04
777 #define ACPI_BITREG_RT_CLOCK_STATUS             0x05
778 #define ACPI_BITREG_WAKE_STATUS                 0x06
779 #define ACPI_BITREG_PCIEXP_WAKE_STATUS          0x07
780 
781 /* PM1 Enable register */
782 
783 #define ACPI_BITREG_TIMER_ENABLE                0x08
784 #define ACPI_BITREG_GLOBAL_LOCK_ENABLE          0x09
785 #define ACPI_BITREG_POWER_BUTTON_ENABLE         0x0A
786 #define ACPI_BITREG_SLEEP_BUTTON_ENABLE         0x0B
787 #define ACPI_BITREG_RT_CLOCK_ENABLE             0x0C
788 #define ACPI_BITREG_PCIEXP_WAKE_DISABLE         0x0D
789 
790 /* PM1 Control register */
791 
792 #define ACPI_BITREG_SCI_ENABLE                  0x0E
793 #define ACPI_BITREG_BUS_MASTER_RLD              0x0F
794 #define ACPI_BITREG_GLOBAL_LOCK_RELEASE         0x10
795 #define ACPI_BITREG_SLEEP_TYPE                  0x11
796 #define ACPI_BITREG_SLEEP_ENABLE                0x12
797 
798 /* PM2 Control register */
799 
800 #define ACPI_BITREG_ARB_DISABLE                 0x13
801 
802 #define ACPI_BITREG_MAX                         0x13
803 #define ACPI_NUM_BITREG                         ACPI_BITREG_MAX + 1
804 
805 /* Status register values. A 1 clears a status bit. 0 = no effect */
806 
807 #define ACPI_CLEAR_STATUS                       1
808 
809 /* Enable and Control register values */
810 
811 #define ACPI_ENABLE_EVENT                       1
812 #define ACPI_DISABLE_EVENT                      0
813 
814 /* Sleep function dispatch */
815 
816 typedef acpi_status(*acpi_sleep_function) (u8 sleep_state);
817 
818 struct acpi_sleep_functions {
819 	acpi_sleep_function legacy_function;
820 	acpi_sleep_function extended_function;
821 };
822 
823 /*
824  * External ACPI object definition
825  */
826 
827 /*
828  * Note: Type == ACPI_TYPE_ANY (0) is used to indicate a NULL package element
829  * or an unresolved named reference.
830  */
831 union acpi_object {
832 	acpi_object_type type;	/* See definition of acpi_ns_type for values */
833 	struct {
834 		acpi_object_type type;	/* ACPI_TYPE_INTEGER */
835 		u64 value;	/* The actual number */
836 	} integer;
837 
838 	struct {
839 		acpi_object_type type;	/* ACPI_TYPE_STRING */
840 		u32 length;	/* # of bytes in string, excluding trailing null */
841 		char *pointer;	/* points to the string value */
842 	} string;
843 
844 	struct {
845 		acpi_object_type type;	/* ACPI_TYPE_BUFFER */
846 		u32 length;	/* # of bytes in buffer */
847 		u8 *pointer;	/* points to the buffer */
848 	} buffer;
849 
850 	struct {
851 		acpi_object_type type;	/* ACPI_TYPE_PACKAGE */
852 		u32 count;	/* # of elements in package */
853 		union acpi_object *elements;	/* Pointer to an array of ACPI_OBJECTs */
854 	} package;
855 
856 	struct {
857 		acpi_object_type type;	/* ACPI_TYPE_LOCAL_REFERENCE */
858 		acpi_object_type actual_type;	/* Type associated with the Handle */
859 		acpi_handle handle;	/* object reference */
860 	} reference;
861 
862 	struct {
863 		acpi_object_type type;	/* ACPI_TYPE_PROCESSOR */
864 		u32 proc_id;
865 		acpi_io_address pblk_address;
866 		u32 pblk_length;
867 	} processor;
868 
869 	struct {
870 		acpi_object_type type;	/* ACPI_TYPE_POWER */
871 		u32 system_level;
872 		u32 resource_order;
873 	} power_resource;
874 };
875 
876 /*
877  * List of objects, used as a parameter list for control method evaluation
878  */
879 struct acpi_object_list {
880 	u32 count;
881 	union acpi_object *pointer;
882 };
883 
884 /*
885  * Miscellaneous common Data Structures used by the interfaces
886  */
887 #define ACPI_NO_BUFFER              0
888 #define ACPI_ALLOCATE_BUFFER        (acpi_size) (-1)
889 #define ACPI_ALLOCATE_LOCAL_BUFFER  (acpi_size) (-2)
890 
891 struct acpi_buffer {
892 	acpi_size length;	/* Length in bytes of the buffer */
893 	void *pointer;		/* pointer to buffer */
894 };
895 
896 /* Free a buffer created in an struct acpi_buffer via ACPI_ALLOCATE_LOCAL_BUFFER */
897 
898 #define ACPI_FREE_BUFFER(b)         ACPI_FREE(b.pointer)
899 
900 /*
901  * name_type for acpi_get_name
902  */
903 #define ACPI_FULL_PATHNAME              0
904 #define ACPI_SINGLE_NAME                1
905 #define ACPI_NAME_TYPE_MAX              1
906 
907 /*
908  * Predefined Namespace items
909  */
910 struct acpi_predefined_names {
911 	char *name;
912 	u8 type;
913 	char *val;
914 };
915 
916 /*
917  * Structure and flags for acpi_get_system_info
918  */
919 #define ACPI_SYS_MODE_UNKNOWN           0x0000
920 #define ACPI_SYS_MODE_ACPI              0x0001
921 #define ACPI_SYS_MODE_LEGACY            0x0002
922 #define ACPI_SYS_MODES_MASK             0x0003
923 
924 /*
925  * System info returned by acpi_get_system_info()
926  */
927 struct acpi_system_info {
928 	u32 acpi_ca_version;
929 	u32 flags;
930 	u32 timer_resolution;
931 	u32 reserved1;
932 	u32 reserved2;
933 	u32 debug_level;
934 	u32 debug_layer;
935 };
936 
937 /* Table Event Types */
938 
939 #define ACPI_TABLE_EVENT_LOAD           0x0
940 #define ACPI_TABLE_EVENT_UNLOAD         0x1
941 #define ACPI_NUM_TABLE_EVENTS           2
942 
943 /*
944  * Types specific to the OS service interfaces
945  */
946 typedef u32
947  (ACPI_SYSTEM_XFACE * acpi_osd_handler) (void *context);
948 
949 typedef void
950  (ACPI_SYSTEM_XFACE * acpi_osd_exec_callback) (void *context);
951 
952 /*
953  * Various handlers and callback procedures
954  */
955 typedef
956 void (*acpi_gbl_event_handler) (u32 event_type,
957 			       acpi_handle device,
958 			       u32 event_number, void *context);
959 
960 #define ACPI_EVENT_TYPE_GPE         0
961 #define ACPI_EVENT_TYPE_FIXED       1
962 
963 typedef
964 u32(*acpi_event_handler) (void *context);
965 
966 typedef
967 u32 (*acpi_gpe_handler) (acpi_handle gpe_device, u32 gpe_number, void *context);
968 
969 typedef
970 void (*acpi_notify_handler) (acpi_handle device, u32 value, void *context);
971 
972 typedef
973 void (*acpi_object_handler) (acpi_handle object, void *data);
974 
975 typedef acpi_status(*acpi_init_handler) (acpi_handle object, u32 function);
976 
977 #define ACPI_INIT_DEVICE_INI        1
978 
979 typedef
980 acpi_status(*acpi_exception_handler) (acpi_status aml_status,
981 				      acpi_name name,
982 				      u16 opcode,
983 				      u32 aml_offset, void *context);
984 
985 /* Table Event handler (Load, load_table, etc.) and types */
986 
987 typedef
988 acpi_status(*acpi_table_handler) (u32 event, void *table, void *context);
989 
990 #define ACPI_TABLE_LOAD             0x0
991 #define ACPI_TABLE_UNLOAD           0x1
992 #define ACPI_NUM_TABLE_EVENTS       2
993 
994 /* Address Spaces (For Operation Regions) */
995 
996 typedef
997 acpi_status(*acpi_adr_space_handler) (u32 function,
998 				      acpi_physical_address address,
999 				      u32 bit_width,
1000 				      u64 *value,
1001 				      void *handler_context,
1002 				      void *region_context);
1003 
1004 #define ACPI_DEFAULT_HANDLER            NULL
1005 
1006 /* Special Context data for generic_serial_bus/general_purpose_io (ACPI 5.0) */
1007 
1008 struct acpi_connection_info {
1009 	u8 *connection;
1010 	u16 length;
1011 	u8 access_length;
1012 };
1013 
1014 typedef
1015 acpi_status(*acpi_adr_space_setup) (acpi_handle region_handle,
1016 				    u32 function,
1017 				    void *handler_context,
1018 				    void **region_context);
1019 
1020 #define ACPI_REGION_ACTIVATE    0
1021 #define ACPI_REGION_DEACTIVATE  1
1022 
1023 typedef
1024 acpi_status(*acpi_walk_callback) (acpi_handle object,
1025 				  u32 nesting_level,
1026 				  void *context, void **return_value);
1027 
1028 typedef
1029 u32 (*acpi_interface_handler) (acpi_string interface_name, u32 supported);
1030 
1031 /* Interrupt handler return values */
1032 
1033 #define ACPI_INTERRUPT_NOT_HANDLED      0x00
1034 #define ACPI_INTERRUPT_HANDLED          0x01
1035 
1036 /* GPE handler return values */
1037 
1038 #define ACPI_REENABLE_GPE               0x80
1039 
1040 /* Length of 32-bit EISAID values when converted back to a string */
1041 
1042 #define ACPI_EISAID_STRING_SIZE         8	/* Includes null terminator */
1043 
1044 /* Length of UUID (string) values */
1045 
1046 #define ACPI_UUID_LENGTH                16
1047 
1048 /* Structures used for device/processor HID, UID, CID, and SUB */
1049 
1050 struct acpi_pnp_device_id {
1051 	u32 length;		/* Length of string + null */
1052 	char *string;
1053 };
1054 
1055 struct acpi_pnp_device_id_list {
1056 	u32 count;		/* Number of IDs in Ids array */
1057 	u32 list_size;		/* Size of list, including ID strings */
1058 	struct acpi_pnp_device_id ids[1];	/* ID array */
1059 };
1060 
1061 /*
1062  * Structure returned from acpi_get_object_info.
1063  * Optimized for both 32- and 64-bit builds
1064  */
1065 struct acpi_device_info {
1066 	u32 info_size;		/* Size of info, including ID strings */
1067 	u32 name;		/* ACPI object Name */
1068 	acpi_object_type type;	/* ACPI object Type */
1069 	u8 param_count;		/* If a method, required parameter count */
1070 	u8 valid;		/* Indicates which optional fields are valid */
1071 	u8 flags;		/* Miscellaneous info */
1072 	u8 highest_dstates[4];	/* _sx_d values: 0xFF indicates not valid */
1073 	u8 lowest_dstates[5];	/* _sx_w values: 0xFF indicates not valid */
1074 	u32 current_status;	/* _STA value */
1075 	u64 address;	/* _ADR value */
1076 	struct acpi_pnp_device_id hardware_id;	/* _HID value */
1077 	struct acpi_pnp_device_id unique_id;	/* _UID value */
1078 	struct acpi_pnp_device_id subsystem_id;	/* _SUB value */
1079 	struct acpi_pnp_device_id_list compatible_id_list;	/* _CID list <must be last> */
1080 };
1081 
1082 /* Values for Flags field above (acpi_get_object_info) */
1083 
1084 #define ACPI_PCI_ROOT_BRIDGE            0x01
1085 
1086 /* Flags for Valid field above (acpi_get_object_info) */
1087 
1088 #define ACPI_VALID_STA                  0x01
1089 #define ACPI_VALID_ADR                  0x02
1090 #define ACPI_VALID_HID                  0x04
1091 #define ACPI_VALID_UID                  0x08
1092 #define ACPI_VALID_SUB                  0x10
1093 #define ACPI_VALID_CID                  0x20
1094 #define ACPI_VALID_SXDS                 0x40
1095 #define ACPI_VALID_SXWS                 0x80
1096 
1097 /* Flags for _STA return value (current_status above) */
1098 
1099 #define ACPI_STA_DEVICE_PRESENT         0x01
1100 #define ACPI_STA_DEVICE_ENABLED         0x02
1101 #define ACPI_STA_DEVICE_UI              0x04
1102 #define ACPI_STA_DEVICE_FUNCTIONING     0x08
1103 #define ACPI_STA_DEVICE_OK              0x08	/* Synonym */
1104 #define ACPI_STA_BATTERY_PRESENT        0x10
1105 
1106 /* Context structs for address space handlers */
1107 
1108 struct acpi_pci_id {
1109 	u16 segment;
1110 	u16 bus;
1111 	u16 device;
1112 	u16 function;
1113 };
1114 
1115 struct acpi_mem_space_context {
1116 	u32 length;
1117 	acpi_physical_address address;
1118 	acpi_physical_address mapped_physical_address;
1119 	u8 *mapped_logical_address;
1120 	acpi_size mapped_length;
1121 };
1122 
1123 /*
1124  * struct acpi_memory_list is used only if the ACPICA local cache is enabled
1125  */
1126 struct acpi_memory_list {
1127 	char *list_name;
1128 	void *list_head;
1129 	u16 object_size;
1130 	u16 max_depth;
1131 	u16 current_depth;
1132 
1133 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
1134 
1135 	/* Statistics for debug memory tracking only */
1136 
1137 	u32 total_allocated;
1138 	u32 total_freed;
1139 	u32 max_occupied;
1140 	u32 total_size;
1141 	u32 current_total_size;
1142 	u32 requests;
1143 	u32 hits;
1144 #endif
1145 };
1146 
1147 #endif				/* __ACTYPES_H__ */
1148