actypes.h

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/******************************************************************************
 *
 * Name: actypes.h - Common data types for the entire ACPI subsystem
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2019, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef __ACTYPES_H__
#define __ACTYPES_H__

/* acpisrc:StructDefs -- for acpisrc conversion */

/*
 * ACPI_MACHINE_WIDTH must be specified in an OS- or compiler-dependent
 * header and must be either 32 or 64. 16-bit ACPICA is no longer
 * supported, as of 12/2006.
 */
#ifndef ACPI_MACHINE_WIDTH
#error ACPI_MACHINE_WIDTH not defined
#endif

/*
 * Data type ranges
 * Note: These macros are designed to be compiler independent as well as
 * working around problems that some 32-bit compilers have with 64-bit
 * constants.
 */
#define ACPI_UINT8_MAX                  (UINT8) (~((UINT8)  0)) /* 0xFF               */
#define ACPI_UINT16_MAX                 (UINT16)(~((UINT16) 0)) /* 0xFFFF             */
#define ACPI_UINT32_MAX                 (UINT32)(~((UINT32) 0)) /* 0xFFFFFFFF         */
#define ACPI_UINT64_MAX                 (UINT64)(~((UINT64) 0)) /* 0xFFFFFFFFFFFFFFFF */
#define ACPI_ASCII_MAX                  0x7F


/*
 * Architecture-specific ACPICA Subsystem Data Types
 *
 * The goal of these types is to provide source code portability across
 * 16-bit, 32-bit, and 64-bit targets.
 *
 * 1) The following types are of fixed size for all targets (16/32/64):
 *
 * BOOLEAN      Logical boolean
 *
 * UINT8        8-bit  (1 byte) unsigned value
 * UINT16       16-bit (2 byte) unsigned value
 * UINT32       32-bit (4 byte) unsigned value
 * UINT64       64-bit (8 byte) unsigned value
 *
 * INT16        16-bit (2 byte) signed value
 * INT32        32-bit (4 byte) signed value
 * INT64        64-bit (8 byte) signed value
 *
 * COMPILER_DEPENDENT_UINT64/INT64 - These types are defined in the
 * compiler-dependent header(s) and were introduced because there is no
 * common 64-bit integer type across the various compilation models, as
 * shown in the table below.
 *
 * Datatype  LP64 ILP64 LLP64 ILP32 LP32 16bit
 * char      8    8     8     8     8    8
 * short     16   16    16    16    16   16
 * _int32         32
 * int       32   64    32    32    16   16
 * long      64   64    32    32    32   32
 * long long            64    64
 * pointer   64   64    64    32    32   32
 *
 * Note: ILP64 and LP32 are currently not supported.
 *
 *
 * 2) These types represent the native word size of the target mode of the
 * processor, and may be 16-bit, 32-bit, or 64-bit as required. They are
 * usually used for memory allocation, efficient loop counters, and array
 * indexes. The types are similar to the size_t type in the C library and
 * are required because there is no C type that consistently represents the
 * native data width. ACPI_SIZE is needed because there is no guarantee
 * that a kernel-level C library is present.
 *
 * ACPI_SIZE        16/32/64-bit unsigned value
 * ACPI_NATIVE_INT  16/32/64-bit signed value
 */

/*******************************************************************************
 *
 * Common types for all compilers, all targets
 *
 ******************************************************************************/

#ifndef ACPI_USE_SYSTEM_INTTYPES

typedef unsigned char                   BOOLEAN;
typedef unsigned char                   UINT8;
typedef unsigned short                  UINT16;
typedef short                           INT16;
typedef COMPILER_DEPENDENT_UINT64       UINT64;
typedef COMPILER_DEPENDENT_INT64        INT64;

#endif /* ACPI_USE_SYSTEM_INTTYPES */

/*
 * Value returned by AcpiOsGetThreadId. There is no standard "thread_id"
 * across operating systems or even the various UNIX systems. Since ACPICA
 * only needs the thread ID as a unique thread identifier, we use a UINT64
 * as the only common data type - it will accommodate any type of pointer or
 * any type of integer. It is up to the host-dependent OSL to cast the
 * native thread ID type to a UINT64 (in AcpiOsGetThreadId).
 */
#define ACPI_THREAD_ID                  UINT64


/*******************************************************************************
 *
 * Types specific to 64-bit targets
 *
 ******************************************************************************/

#if ACPI_MACHINE_WIDTH == 64

#ifndef ACPI_USE_SYSTEM_INTTYPES

typedef unsigned int                    UINT32;
typedef int                             INT32;

#endif /* ACPI_USE_SYSTEM_INTTYPES */


typedef INT64                           ACPI_NATIVE_INT;
typedef UINT64                          ACPI_SIZE;
typedef UINT64                          ACPI_IO_ADDRESS;
typedef UINT64                          ACPI_PHYSICAL_ADDRESS;

#define ACPI_MAX_PTR                    ACPI_UINT64_MAX
#define ACPI_SIZE_MAX                   ACPI_UINT64_MAX
#define ACPI_USE_NATIVE_DIVIDE          /* Has native 64-bit integer support */
#define ACPI_USE_NATIVE_MATH64          /* Has native 64-bit integer support */

/*
 * In the case of the Itanium Processor Family (IPF), the hardware does not
 * support misaligned memory transfers. Set the MISALIGNMENT_NOT_SUPPORTED
 * flag to indicate that special precautions must be taken to avoid alignment
 * faults. (IA64 or ia64 is currently used by existing compilers to indicate
 * IPF.)
 *
 * Note: EM64T and other X86-64 processors support misaligned transfers,
 * so there is no need to define this flag.
 */
#if defined (__IA64__) || defined (__ia64__)
#define ACPI_MISALIGNMENT_NOT_SUPPORTED
#endif


/*******************************************************************************
 *
 * Types specific to 32-bit targets
 *
 ******************************************************************************/

#elif ACPI_MACHINE_WIDTH == 32

#ifndef ACPI_USE_SYSTEM_INTTYPES

typedef unsigned int                    UINT32;
typedef int                             INT32;

#endif /* ACPI_USE_SYSTEM_INTTYPES */


typedef INT32                           ACPI_NATIVE_INT;
typedef UINT32                          ACPI_SIZE;

#ifdef ACPI_32BIT_PHYSICAL_ADDRESS

/*
 * OSPMs can define this to shrink the size of the structures for 32-bit
 * none PAE environment. ASL compiler may always define this to generate
 * 32-bit OSPM compliant tables.
 */
typedef UINT32                          ACPI_IO_ADDRESS;
typedef UINT32                          ACPI_PHYSICAL_ADDRESS;

#else /* ACPI_32BIT_PHYSICAL_ADDRESS */

/*
 * It is reported that, after some calculations, the physical addresses can
 * wrap over the 32-bit boundary on 32-bit PAE environment.
 * https://bugzilla.kernel.org/show_bug.cgi?id=87971
 */
typedef UINT64                          ACPI_IO_ADDRESS;
typedef UINT64                          ACPI_PHYSICAL_ADDRESS;

#endif /* ACPI_32BIT_PHYSICAL_ADDRESS */

#define ACPI_MAX_PTR                    ACPI_UINT32_MAX
#define ACPI_SIZE_MAX                   ACPI_UINT32_MAX

#else

/* ACPI_MACHINE_WIDTH must be either 64 or 32 */

#error unknown ACPI_MACHINE_WIDTH
#endif


/*******************************************************************************
 *
 * OS-dependent types
 *
 * If the defaults below are not appropriate for the host system, they can
 * be defined in the OS-specific header, and this will take precedence.
 *
 ******************************************************************************/

/* Flags for AcpiOsAcquireLock/AcpiOsReleaseLock */

#ifndef ACPI_CPU_FLAGS
#define ACPI_CPU_FLAGS                  ACPI_SIZE
#endif

/* Object returned from AcpiOsCreateCache */

#ifndef ACPI_CACHE_T
#ifdef ACPI_USE_LOCAL_CACHE
#define ACPI_CACHE_T                    ACPI_MEMORY_LIST
#else
#define ACPI_CACHE_T                    void *
#endif
#endif

/*
 * Synchronization objects - Mutexes, Semaphores, and SpinLocks
 */
#if (ACPI_MUTEX_TYPE == ACPI_BINARY_SEMAPHORE)
/*
 * These macros are used if the host OS does not support a mutex object.
 * Map the OSL Mutex interfaces to binary semaphores.
 */
#define ACPI_MUTEX                      ACPI_SEMAPHORE
#define AcpiOsCreateMutex(OutHandle)    AcpiOsCreateSemaphore (1, 1, OutHandle)
#define AcpiOsDeleteMutex(Handle)       (void) AcpiOsDeleteSemaphore (Handle)
#define AcpiOsAcquireMutex(Handle,Time) AcpiOsWaitSemaphore (Handle, 1, Time)
#define AcpiOsReleaseMutex(Handle)      (void) AcpiOsSignalSemaphore (Handle, 1)
#endif

/* Configurable types for synchronization objects */

#ifndef ACPI_SPINLOCK
#define ACPI_SPINLOCK                   void *
#endif

#ifndef ACPI_SEMAPHORE
#define ACPI_SEMAPHORE                  void *
#endif

#ifndef ACPI_MUTEX
#define ACPI_MUTEX                      void *
#endif


/*******************************************************************************
 *
 * Compiler-dependent types
 *
 * If the defaults below are not appropriate for the host compiler, they can
 * be defined in the compiler-specific header, and this will take precedence.
 *
 ******************************************************************************/

/* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */

#ifndef ACPI_UINTPTR_T
#define ACPI_UINTPTR_T                  void *
#endif

/*
 * ACPI_PRINTF_LIKE is used to tag functions as "printf-like" because
 * some compilers can catch printf format string problems
 */
#ifndef ACPI_PRINTF_LIKE
#define ACPI_PRINTF_LIKE(c)
#endif

/*
 * Some compilers complain about unused variables. Sometimes we don't want
 * to use all the variables (for example, _AcpiModuleName). This allows us
 * to tell the compiler in a per-variable manner that a variable
 * is unused
 */
#ifndef ACPI_UNUSED_VAR
#define ACPI_UNUSED_VAR
#endif

/*
 * All ACPICA external functions that are available to the rest of the
 * kernel are tagged with these macros which can be defined as appropriate
 * for the host.
 *
 * Notes:
 * ACPI_EXPORT_SYMBOL_INIT is used for initialization and termination
 * interfaces that may need special processing.
 * ACPI_EXPORT_SYMBOL is used for all other public external functions.
 */
#ifndef ACPI_EXPORT_SYMBOL_INIT
#define ACPI_EXPORT_SYMBOL_INIT(Symbol)
#endif

#ifndef ACPI_EXPORT_SYMBOL
#define ACPI_EXPORT_SYMBOL(Symbol)
#endif

/*
 * Compiler/Clibrary-dependent debug initialization. Used for ACPICA
 * utilities only.
 */
#ifndef ACPI_DEBUG_INITIALIZE
#define ACPI_DEBUG_INITIALIZE()
#endif


/*******************************************************************************
 *
 * Configuration
 *
 ******************************************************************************/

#ifdef ACPI_NO_MEM_ALLOCATIONS

#define ACPI_ALLOCATE(a)                NULL
#define ACPI_ALLOCATE_ZEROED(a)         NULL
#define ACPI_FREE(a)
#define ACPI_MEM_TRACKING(a)

#else /* ACPI_NO_MEM_ALLOCATIONS */

#ifdef ACPI_DBG_TRACK_ALLOCATIONS
/*
 * Memory allocation tracking (used by AcpiExec to detect memory leaks)
 */
#define ACPI_MEM_PARAMETERS             _COMPONENT, _AcpiModuleName, __LINE__
#define ACPI_ALLOCATE(a)                AcpiUtAllocateAndTrack ((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
#define ACPI_ALLOCATE_ZEROED(a)         AcpiUtAllocateZeroedAndTrack ((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
#define ACPI_FREE(a)                    AcpiUtFreeAndTrack (a, ACPI_MEM_PARAMETERS)
#define ACPI_MEM_TRACKING(a)            a

#else
/*
 * Normal memory allocation directly via the OS services layer
 */
#define ACPI_ALLOCATE(a)                AcpiOsAllocate ((ACPI_SIZE) (a))
#define ACPI_ALLOCATE_ZEROED(a)         AcpiOsAllocateZeroed ((ACPI_SIZE) (a))
#define ACPI_FREE(a)                    AcpiOsFree (a)
#define ACPI_MEM_TRACKING(a)

#endif /* ACPI_DBG_TRACK_ALLOCATIONS */

#endif /* ACPI_NO_MEM_ALLOCATIONS */


/******************************************************************************
 *
 * ACPI Specification constants (Do not change unless the specification
 * changes)
 *
 *****************************************************************************/

/* Number of distinct FADT-based GPE register blocks (GPE0 and GPE1) */

#define ACPI_MAX_GPE_BLOCKS             2

/* Default ACPI register widths */

#define ACPI_GPE_REGISTER_WIDTH         8
#define ACPI_PM1_REGISTER_WIDTH         16
#define ACPI_PM2_REGISTER_WIDTH         8
#define ACPI_PM_TIMER_WIDTH             32
#define ACPI_RESET_REGISTER_WIDTH       8

/* Names within the namespace are 4 bytes long */

#define ACPI_NAME_SIZE                  4
#define ACPI_PATH_SEGMENT_LENGTH        5           /* 4 chars for name + 1 char for separator */
#define ACPI_PATH_SEPARATOR             '.'

/* Sizes for ACPI table headers */

#define ACPI_OEM_ID_SIZE                6
#define ACPI_OEM_TABLE_ID_SIZE          8

/* ACPI/PNP hardware IDs */

#define PCI_ROOT_HID_STRING             "PNP0A03"
#define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"

/* PM Timer ticks per second (HZ) */

#define ACPI_PM_TIMER_FREQUENCY         3579545


/*******************************************************************************
 *
 * Independent types
 *
 ******************************************************************************/

/* Logical defines and NULL */

#ifdef FALSE
#undef FALSE
#endif
#define FALSE                           (1 == 0)

#ifdef TRUE
#undef TRUE
#endif
#define TRUE                            (1 == 1)

#ifndef NULL
#define NULL                            (void *) 0
#endif


/*
 * Miscellaneous types
 */
typedef UINT32                          ACPI_STATUS;    /* All ACPI Exceptions */
typedef UINT32                          ACPI_NAME;      /* 4-byte ACPI name */
typedef char *                          ACPI_STRING;    /* Null terminated ASCII string */
typedef void *                          ACPI_HANDLE;    /* Actually a ptr to a NS Node */


/* Time constants for timer calculations */

#define ACPI_MSEC_PER_SEC               1000L

#define ACPI_USEC_PER_MSEC              1000L
#define ACPI_USEC_PER_SEC               1000000L

#define ACPI_100NSEC_PER_USEC           10L
#define ACPI_100NSEC_PER_MSEC           10000L
#define ACPI_100NSEC_PER_SEC            10000000L

#define ACPI_NSEC_PER_USEC              1000L
#define ACPI_NSEC_PER_MSEC              1000000L
#define ACPI_NSEC_PER_SEC               1000000000L

#define ACPI_TIME_AFTER(a, b)           ((INT64)((b) - (a)) < 0)


/* Owner IDs are used to track namespace nodes for selective deletion */

typedef UINT8                           ACPI_OWNER_ID;
#define ACPI_OWNER_ID_MAX               0xFF


#define ACPI_INTEGER_BIT_SIZE           64
#define ACPI_MAX_DECIMAL_DIGITS         20  /* 2^64 = 18,446,744,073,709,551,616 */
#define ACPI_MAX64_DECIMAL_DIGITS       20
#define ACPI_MAX32_DECIMAL_DIGITS       10
#define ACPI_MAX16_DECIMAL_DIGITS        5
#define ACPI_MAX8_DECIMAL_DIGITS         3

/*
 * Constants with special meanings
 */
#define ACPI_ROOT_OBJECT                ((ACPI_HANDLE) ACPI_TO_POINTER (ACPI_MAX_PTR))
#define ACPI_WAIT_FOREVER               0xFFFF  /* UINT16, as per ACPI spec */
#define ACPI_DO_NOT_WAIT                0

/*
 * Obsolete: Acpi integer width. In ACPI version 1 (1996), integers are
 * 32 bits. In ACPI version 2 (2000) and later, integers are max 64 bits.
 * Note that this pertains to the ACPI integer type only, not to other
 * integers used in the implementation of the ACPICA subsystem.
 *
 * 01/2010: This type is obsolete and has been removed from the entire ACPICA
 * code base. It remains here for compatibility with device drivers that use
 * the type. However, it will be removed in the future.
 */
typedef UINT64                          ACPI_INTEGER;
#define ACPI_INTEGER_MAX                ACPI_UINT64_MAX


/*******************************************************************************
 *
 * Commonly used macros
 *
 ******************************************************************************/

/* Data manipulation */

#define ACPI_LOBYTE(Integer)            ((UINT8)   (UINT16)(Integer))
#define ACPI_HIBYTE(Integer)            ((UINT8) (((UINT16)(Integer)) >> 8))
#define ACPI_LOWORD(Integer)            ((UINT16)  (UINT32)(Integer))
#define ACPI_HIWORD(Integer)            ((UINT16)(((UINT32)(Integer)) >> 16))
#define ACPI_LODWORD(Integer64)         ((UINT32)  (UINT64)(Integer64))
#define ACPI_HIDWORD(Integer64)         ((UINT32)(((UINT64)(Integer64)) >> 32))

#define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
#define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
#define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
#define ACPI_MAX(a,b)                   (((a)>(b))?(a):(b))

/* Size calculation */

#define ACPI_ARRAY_LENGTH(x)            (sizeof(x) / sizeof((x)[0]))

/* Pointer manipulation */

#define ACPI_CAST_PTR(t, p)             ((t *) (ACPI_UINTPTR_T) (p))
#define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **) (ACPI_UINTPTR_T) (p))
#define ACPI_ADD_PTR(t, a, b)           ACPI_CAST_PTR (t, (ACPI_CAST_PTR (UINT8, (a)) + (ACPI_SIZE)(b)))
#define ACPI_SUB_PTR(t, a, b)           ACPI_CAST_PTR (t, (ACPI_CAST_PTR (UINT8, (a)) - (ACPI_SIZE)(b)))
#define ACPI_PTR_DIFF(a, b)             ((ACPI_SIZE) (ACPI_CAST_PTR (UINT8, (a)) - ACPI_CAST_PTR (UINT8, (b))))

/* Pointer/Integer type conversions */

#define ACPI_TO_POINTER(i)              ACPI_ADD_PTR (void, (void *) 0, (ACPI_SIZE) (i))
#define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p, (void *) 0)
#define ACPI_OFFSET(d, f)               ACPI_PTR_DIFF (&(((d *) 0)->f), (void *) 0)
#define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
#define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)

/* Optimizations for 4-character (32-bit) ACPI_NAME manipulation */

#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
#define ACPI_COMPARE_NAME(a,b)          (*ACPI_CAST_PTR (UINT32, (a)) == *ACPI_CAST_PTR (UINT32, (b)))
#define ACPI_MOVE_NAME(dest,src)        (*ACPI_CAST_PTR (UINT32, (dest)) = *ACPI_CAST_PTR (UINT32, (src)))
#else
#define ACPI_COMPARE_NAME(a,b)          (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
#define ACPI_MOVE_NAME(dest,src)        (strncpy (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAME_SIZE))
#endif

/* Support for the special RSDP signature (8 characters) */

#define ACPI_VALIDATE_RSDP_SIG(a)       (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
#define ACPI_MAKE_RSDP_SIG(dest)        (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))

/* Support for OEMx signature (x can be any character) */
#define ACPI_IS_OEM_SIG(a)        (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_OEM_NAME, 3) &&\
                                      strnlen (a, ACPI_NAME_SIZE) == ACPI_NAME_SIZE)

/*
 * Algorithm to obtain access bit width.
 * Can be used with AccessWidth of ACPI_GENERIC_ADDRESS and AccessSize of
 * ACPI_RESOURCE_GENERIC_REGISTER.
 */
#define ACPI_ACCESS_BIT_WIDTH(size)     (1 << ((size) + 2))


/*******************************************************************************
 *
 * Miscellaneous constants
 *
 ******************************************************************************/

/*
 * Initialization sequence options
 */
#define ACPI_FULL_INITIALIZATION        0x0000
#define ACPI_NO_FACS_INIT               0x0001
#define ACPI_NO_ACPI_ENABLE             0x0002
#define ACPI_NO_HARDWARE_INIT           0x0004
#define ACPI_NO_EVENT_INIT              0x0008
#define ACPI_NO_HANDLER_INIT            0x0010
#define ACPI_NO_OBJECT_INIT             0x0020
#define ACPI_NO_DEVICE_INIT             0x0040
#define ACPI_NO_ADDRESS_SPACE_INIT      0x0080

/*
 * Initialization state
 */
#define ACPI_SUBSYSTEM_INITIALIZE       0x01
#define ACPI_INITIALIZED_OK             0x02

/*
 * Power state values
 */
#define ACPI_STATE_UNKNOWN              (UINT8) 0xFF

#define ACPI_STATE_S0                   (UINT8) 0
#define ACPI_STATE_S1                   (UINT8) 1
#define ACPI_STATE_S2                   (UINT8) 2
#define ACPI_STATE_S3                   (UINT8) 3
#define ACPI_STATE_S4                   (UINT8) 4
#define ACPI_STATE_S5                   (UINT8) 5
#define ACPI_S_STATES_MAX               ACPI_STATE_S5
#define ACPI_S_STATE_COUNT              6

#define ACPI_STATE_D0                   (UINT8) 0
#define ACPI_STATE_D1                   (UINT8) 1
#define ACPI_STATE_D2                   (UINT8) 2
#define ACPI_STATE_D3                   (UINT8) 3
#define ACPI_D_STATES_MAX               ACPI_STATE_D3
#define ACPI_D_STATE_COUNT              4

#define ACPI_STATE_C0                   (UINT8) 0
#define ACPI_STATE_C1                   (UINT8) 1
#define ACPI_STATE_C2                   (UINT8) 2
#define ACPI_STATE_C3                   (UINT8) 3
#define ACPI_C_STATES_MAX               ACPI_STATE_C3
#define ACPI_C_STATE_COUNT              4

/*
 * Sleep type invalid value
 */
#define ACPI_SLEEP_TYPE_MAX             0x7
#define ACPI_SLEEP_TYPE_INVALID         0xFF

/*
 * Standard notify values
 */
#define ACPI_NOTIFY_BUS_CHECK           (UINT8) 0x00
#define ACPI_NOTIFY_DEVICE_CHECK        (UINT8) 0x01
#define ACPI_NOTIFY_DEVICE_WAKE         (UINT8) 0x02
#define ACPI_NOTIFY_EJECT_REQUEST       (UINT8) 0x03
#define ACPI_NOTIFY_DEVICE_CHECK_LIGHT  (UINT8) 0x04
#define ACPI_NOTIFY_FREQUENCY_MISMATCH  (UINT8) 0x05
#define ACPI_NOTIFY_BUS_MODE_MISMATCH   (UINT8) 0x06
#define ACPI_NOTIFY_POWER_FAULT         (UINT8) 0x07
#define ACPI_NOTIFY_CAPABILITIES_CHECK  (UINT8) 0x08
#define ACPI_NOTIFY_DEVICE_PLD_CHECK    (UINT8) 0x09
#define ACPI_NOTIFY_RESERVED            (UINT8) 0x0A
#define ACPI_NOTIFY_LOCALITY_UPDATE     (UINT8) 0x0B
#define ACPI_NOTIFY_SHUTDOWN_REQUEST    (UINT8) 0x0C
#define ACPI_NOTIFY_AFFINITY_UPDATE     (UINT8) 0x0D
#define ACPI_NOTIFY_MEMORY_UPDATE       (UINT8) 0x0E
#define ACPI_NOTIFY_DISCONNECT_RECOVER  (UINT8) 0x0F

#define ACPI_GENERIC_NOTIFY_MAX         0x0F
#define ACPI_SPECIFIC_NOTIFY_MAX        0x84

/*
 * Types associated with ACPI names and objects. The first group of
 * values (up to ACPI_TYPE_EXTERNAL_MAX) correspond to the definition
 * of the ACPI ObjectType() operator (See the ACPI Spec). Therefore,
 * only add to the first group if the spec changes.
 *
 * NOTE: Types must be kept in sync with the global AcpiNsProperties
 * and AcpiNsTypeNames arrays.
 */
typedef UINT32                          ACPI_OBJECT_TYPE;

#define ACPI_TYPE_ANY                   0x00
#define ACPI_TYPE_INTEGER               0x01  /* Byte/Word/Dword/Zero/One/Ones */
#define ACPI_TYPE_STRING                0x02
#define ACPI_TYPE_BUFFER                0x03
#define ACPI_TYPE_PACKAGE               0x04  /* ByteConst, multiple DataTerm/Constant/SuperName */
#define ACPI_TYPE_FIELD_UNIT            0x05
#define ACPI_TYPE_DEVICE                0x06  /* Name, multiple Node */
#define ACPI_TYPE_EVENT                 0x07
#define ACPI_TYPE_METHOD                0x08  /* Name, ByteConst, multiple Code */
#define ACPI_TYPE_MUTEX                 0x09
#define ACPI_TYPE_REGION                0x0A
#define ACPI_TYPE_POWER                 0x0B  /* Name,ByteConst,WordConst,multi Node */
#define ACPI_TYPE_PROCESSOR             0x0C  /* Name,ByteConst,DWordConst,ByteConst,multi NmO */
#define ACPI_TYPE_THERMAL               0x0D  /* Name, multiple Node */
#define ACPI_TYPE_BUFFER_FIELD          0x0E
#define ACPI_TYPE_DDB_HANDLE            0x0F
#define ACPI_TYPE_DEBUG_OBJECT          0x10

#define ACPI_TYPE_EXTERNAL_MAX          0x10
#define ACPI_NUM_TYPES                  (ACPI_TYPE_EXTERNAL_MAX + 1)

/*
 * These are object types that do not map directly to the ACPI
 * ObjectType() operator. They are used for various internal purposes
 * only. If new predefined ACPI_TYPEs are added (via the ACPI
 * specification), these internal types must move upwards. (There
 * is code that depends on these values being contiguous with the
 * external types above.)
 */
#define ACPI_TYPE_LOCAL_REGION_FIELD    0x11
#define ACPI_TYPE_LOCAL_BANK_FIELD      0x12
#define ACPI_TYPE_LOCAL_INDEX_FIELD     0x13
#define ACPI_TYPE_LOCAL_REFERENCE       0x14  /* Arg#, Local#, Name, Debug, RefOf, Index */
#define ACPI_TYPE_LOCAL_ALIAS           0x15
#define ACPI_TYPE_LOCAL_METHOD_ALIAS    0x16
#define ACPI_TYPE_LOCAL_NOTIFY          0x17
#define ACPI_TYPE_LOCAL_ADDRESS_HANDLER 0x18
#define ACPI_TYPE_LOCAL_RESOURCE        0x19
#define ACPI_TYPE_LOCAL_RESOURCE_FIELD  0x1A
#define ACPI_TYPE_LOCAL_SCOPE           0x1B  /* 1 Name, multiple ObjectList Nodes */

#define ACPI_TYPE_NS_NODE_MAX           0x1B  /* Last typecode used within a NS Node */
#define ACPI_TOTAL_TYPES                (ACPI_TYPE_NS_NODE_MAX + 1)

/*
 * These are special object types that never appear in
 * a Namespace node, only in an object of ACPI_OPERAND_OBJECT
 */
#define ACPI_TYPE_LOCAL_EXTRA           0x1C
#define ACPI_TYPE_LOCAL_DATA            0x1D

#define ACPI_TYPE_LOCAL_MAX             0x1D

/* All types above here are invalid */

#define ACPI_TYPE_INVALID               0x1E
#define ACPI_TYPE_NOT_FOUND             0xFF

#define ACPI_NUM_NS_TYPES               (ACPI_TYPE_INVALID + 1)


/*
 * All I/O
 */
#define ACPI_READ                       0
#define ACPI_WRITE                      1
#define ACPI_IO_MASK                    1

/*
 * Event Types: Fixed & General Purpose
 */
typedef UINT32                          ACPI_EVENT_TYPE;

/*
 * Fixed events
 */
#define ACPI_EVENT_PMTIMER              0
#define ACPI_EVENT_GLOBAL               1
#define ACPI_EVENT_POWER_BUTTON         2
#define ACPI_EVENT_SLEEP_BUTTON         3
#define ACPI_EVENT_RTC                  4
#define ACPI_EVENT_MAX                  4
#define ACPI_NUM_FIXED_EVENTS           ACPI_EVENT_MAX + 1

/*
 * Event Status - Per event
 * -------------
 * The encoding of ACPI_EVENT_STATUS is illustrated below.
 * Note that a set bit (1) indicates the property is TRUE
 * (e.g. if bit 0 is set then the event is enabled).
 * +-------------+-+-+-+-+-+-+
 * |   Bits 31:6 |5|4|3|2|1|0|
 * +-------------+-+-+-+-+-+-+
 *          |     | | | | | |
 *          |     | | | | | +- Enabled?
 *          |     | | | | +--- Enabled for wake?
 *          |     | | | +----- Status bit set?
 *          |     | | +------- Enable bit set?
 *          |     | +--------- Has a handler?
 *          |     +----------- Masked?
 *          +----------------- <Reserved>
 */
typedef UINT32                          ACPI_EVENT_STATUS;

#define ACPI_EVENT_FLAG_DISABLED        (ACPI_EVENT_STATUS) 0x00
#define ACPI_EVENT_FLAG_ENABLED         (ACPI_EVENT_STATUS) 0x01
#define ACPI_EVENT_FLAG_WAKE_ENABLED    (ACPI_EVENT_STATUS) 0x02
#define ACPI_EVENT_FLAG_STATUS_SET      (ACPI_EVENT_STATUS) 0x04
#define ACPI_EVENT_FLAG_ENABLE_SET      (ACPI_EVENT_STATUS) 0x08
#define ACPI_EVENT_FLAG_HAS_HANDLER     (ACPI_EVENT_STATUS) 0x10
#define ACPI_EVENT_FLAG_MASKED          (ACPI_EVENT_STATUS) 0x20
#define ACPI_EVENT_FLAG_SET             ACPI_EVENT_FLAG_STATUS_SET

/* Actions for AcpiSetGpe, AcpiGpeWakeup, AcpiHwLowSetGpe */

#define ACPI_GPE_ENABLE                 0
#define ACPI_GPE_DISABLE                1
#define ACPI_GPE_CONDITIONAL_ENABLE     2

/*
 * GPE info flags - Per GPE
 * +---+-+-+-+---+
 * |7:6|5|4|3|2:0|
 * +---+-+-+-+---+
 *   |  | | |  |
 *   |  | | |  +-- Type of dispatch:to method, handler, notify, or none
 *   |  | | +----- Interrupt type: edge or level triggered
 *   |  | +------- Is a Wake GPE
 *   |  +--------- Has been enabled automatically at init time
 *   +------------ <Reserved>
 */
#define ACPI_GPE_DISPATCH_NONE          (UINT8) 0x00
#define ACPI_GPE_DISPATCH_METHOD        (UINT8) 0x01
#define ACPI_GPE_DISPATCH_HANDLER       (UINT8) 0x02
#define ACPI_GPE_DISPATCH_NOTIFY        (UINT8) 0x03
#define ACPI_GPE_DISPATCH_RAW_HANDLER   (UINT8) 0x04
#define ACPI_GPE_DISPATCH_MASK          (UINT8) 0x07
#define ACPI_GPE_DISPATCH_TYPE(flags)   ((UINT8) ((flags) & ACPI_GPE_DISPATCH_MASK))

#define ACPI_GPE_LEVEL_TRIGGERED        (UINT8) 0x08
#define ACPI_GPE_EDGE_TRIGGERED         (UINT8) 0x00
#define ACPI_GPE_XRUPT_TYPE_MASK        (UINT8) 0x08

#define ACPI_GPE_CAN_WAKE               (UINT8) 0x10
#define ACPI_GPE_AUTO_ENABLED           (UINT8) 0x20
#define ACPI_GPE_INITIALIZED            (UINT8) 0x40

/*
 * Flags for GPE and Lock interfaces
 */
#define ACPI_NOT_ISR                    0x1
#define ACPI_ISR                        0x0


/* Notify types */

#define ACPI_SYSTEM_NOTIFY              0x1
#define ACPI_DEVICE_NOTIFY              0x2
#define ACPI_ALL_NOTIFY                 (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
#define ACPI_MAX_NOTIFY_HANDLER_TYPE    0x3
#define ACPI_NUM_NOTIFY_TYPES           2

#define ACPI_MAX_SYS_NOTIFY             0x7F
#define ACPI_MAX_DEVICE_SPECIFIC_NOTIFY 0xBF

#define ACPI_SYSTEM_HANDLER_LIST        0 /* Used as index, must be SYSTEM_NOTIFY -1 */
#define ACPI_DEVICE_HANDLER_LIST        1 /* Used as index, must be DEVICE_NOTIFY -1 */


/* Address Space (Operation Region) Types */

typedef UINT8                           ACPI_ADR_SPACE_TYPE;

#define ACPI_ADR_SPACE_SYSTEM_MEMORY    (ACPI_ADR_SPACE_TYPE) 0
#define ACPI_ADR_SPACE_SYSTEM_IO        (ACPI_ADR_SPACE_TYPE) 1
#define ACPI_ADR_SPACE_PCI_CONFIG       (ACPI_ADR_SPACE_TYPE) 2
#define ACPI_ADR_SPACE_EC               (ACPI_ADR_SPACE_TYPE) 3
#define ACPI_ADR_SPACE_SMBUS            (ACPI_ADR_SPACE_TYPE) 4
#define ACPI_ADR_SPACE_CMOS             (ACPI_ADR_SPACE_TYPE) 5
#define ACPI_ADR_SPACE_PCI_BAR_TARGET   (ACPI_ADR_SPACE_TYPE) 6
#define ACPI_ADR_SPACE_IPMI             (ACPI_ADR_SPACE_TYPE) 7
#define ACPI_ADR_SPACE_GPIO             (ACPI_ADR_SPACE_TYPE) 8
#define ACPI_ADR_SPACE_GSBUS            (ACPI_ADR_SPACE_TYPE) 9
#define ACPI_ADR_SPACE_PLATFORM_COMM    (ACPI_ADR_SPACE_TYPE) 10

#define ACPI_NUM_PREDEFINED_REGIONS     11

/*
 * Special Address Spaces
 *
 * Note: A Data Table region is a special type of operation region
 * that has its own AML opcode. However, internally, the AML
 * interpreter simply creates an operation region with an an address
 * space type of ACPI_ADR_SPACE_DATA_TABLE.
 */
#define ACPI_ADR_SPACE_DATA_TABLE       (ACPI_ADR_SPACE_TYPE) 0x7E /* Internal to ACPICA only */
#define ACPI_ADR_SPACE_FIXED_HARDWARE   (ACPI_ADR_SPACE_TYPE) 0x7F

/* Values for _REG connection code */

#define ACPI_REG_DISCONNECT             0
#define ACPI_REG_CONNECT                1

/*
 * BitRegister IDs
 *
 * These values are intended to be used by the hardware interfaces
 * and are mapped to individual bitfields defined within the ACPI
 * registers. See the AcpiGbl_BitRegisterInfo global table in utglobal.c
 * for this mapping.
 */

/* PM1 Status register */

#define ACPI_BITREG_TIMER_STATUS                0x00
#define ACPI_BITREG_BUS_MASTER_STATUS           0x01
#define ACPI_BITREG_GLOBAL_LOCK_STATUS          0x02
#define ACPI_BITREG_POWER_BUTTON_STATUS         0x03
#define ACPI_BITREG_SLEEP_BUTTON_STATUS         0x04
#define ACPI_BITREG_RT_CLOCK_STATUS             0x05
#define ACPI_BITREG_WAKE_STATUS                 0x06
#define ACPI_BITREG_PCIEXP_WAKE_STATUS          0x07

/* PM1 Enable register */

#define ACPI_BITREG_TIMER_ENABLE                0x08
#define ACPI_BITREG_GLOBAL_LOCK_ENABLE          0x09
#define ACPI_BITREG_POWER_BUTTON_ENABLE         0x0A
#define ACPI_BITREG_SLEEP_BUTTON_ENABLE         0x0B
#define ACPI_BITREG_RT_CLOCK_ENABLE             0x0C
#define ACPI_BITREG_PCIEXP_WAKE_DISABLE         0x0D

/* PM1 Control register */

#define ACPI_BITREG_SCI_ENABLE                  0x0E
#define ACPI_BITREG_BUS_MASTER_RLD              0x0F
#define ACPI_BITREG_GLOBAL_LOCK_RELEASE         0x10
#define ACPI_BITREG_SLEEP_TYPE                  0x11
#define ACPI_BITREG_SLEEP_ENABLE                0x12

/* PM2 Control register */

#define ACPI_BITREG_ARB_DISABLE                 0x13

#define ACPI_BITREG_MAX                         0x13
#define ACPI_NUM_BITREG                         ACPI_BITREG_MAX + 1


/* Status register values. A 1 clears a status bit. 0 = no effect */

#define ACPI_CLEAR_STATUS                       1

/* Enable and Control register values */

#define ACPI_ENABLE_EVENT                       1
#define ACPI_DISABLE_EVENT                      0


/* Sleep function dispatch */

typedef ACPI_STATUS (*ACPI_SLEEP_FUNCTION) (
    UINT8                   SleepState);

typedef struct acpi_sleep_functions
{
    ACPI_SLEEP_FUNCTION     LegacyFunction;
    ACPI_SLEEP_FUNCTION     ExtendedFunction;

} ACPI_SLEEP_FUNCTIONS;


/*
 * External ACPI object definition
 */

/*
 * Note: Type == ACPI_TYPE_ANY (0) is used to indicate a NULL package
 * element or an unresolved named reference.
 */
typedef union acpi_object
{
    ACPI_OBJECT_TYPE                Type;   /* See definition of AcpiNsType for values */
    struct
    {
        ACPI_OBJECT_TYPE                Type;       /* ACPI_TYPE_INTEGER */
        UINT64                          Value;      /* The actual number */
    } Integer;

    struct
    {
        ACPI_OBJECT_TYPE                Type;       /* ACPI_TYPE_STRING */
        UINT32                          Length;     /* # of bytes in string, excluding trailing null */
        char                            *Pointer;   /* points to the string value */
    } String;

    struct
    {
        ACPI_OBJECT_TYPE                Type;       /* ACPI_TYPE_BUFFER */
        UINT32                          Length;     /* # of bytes in buffer */
        UINT8                           *Pointer;   /* points to the buffer */
    } Buffer;

    struct
    {
        ACPI_OBJECT_TYPE                Type;       /* ACPI_TYPE_PACKAGE */
        UINT32                          Count;      /* # of elements in package */
        union acpi_object               *Elements;  /* Pointer to an array of ACPI_OBJECTs */
    } Package;

    struct
    {
        ACPI_OBJECT_TYPE                Type;       /* ACPI_TYPE_LOCAL_REFERENCE */
        ACPI_OBJECT_TYPE                ActualType; /* Type associated with the Handle */
        ACPI_HANDLE                     Handle;     /* object reference */
    } Reference;

    struct
    {
        ACPI_OBJECT_TYPE                Type;       /* ACPI_TYPE_PROCESSOR */
        UINT32                          ProcId;
        ACPI_IO_ADDRESS                 PblkAddress;
        UINT32                          PblkLength;
    } Processor;

    struct
    {
        ACPI_OBJECT_TYPE                Type;       /* ACPI_TYPE_POWER */
        UINT32                          SystemLevel;
        UINT32                          ResourceOrder;
    } PowerResource;

} ACPI_OBJECT;


/*
 * List of objects, used as a parameter list for control method evaluation
 */
typedef struct acpi_object_list
{
    UINT32                          Count;
    ACPI_OBJECT                     *Pointer;

} ACPI_OBJECT_LIST;


/*
 * Miscellaneous common Data Structures used by the interfaces
 */
#define ACPI_NO_BUFFER              0

#ifdef ACPI_NO_MEM_ALLOCATIONS

#define ACPI_ALLOCATE_BUFFER        (ACPI_SIZE) (0)
#define ACPI_ALLOCATE_LOCAL_BUFFER  (ACPI_SIZE) (0)

#else /* ACPI_NO_MEM_ALLOCATIONS */

#define ACPI_ALLOCATE_BUFFER        (ACPI_SIZE) (-1)    /* Let ACPICA allocate buffer */
#define ACPI_ALLOCATE_LOCAL_BUFFER  (ACPI_SIZE) (-2)    /* For internal use only (enables tracking) */

#endif /* ACPI_NO_MEM_ALLOCATIONS */

typedef struct acpi_buffer
{
    ACPI_SIZE                       Length;         /* Length in bytes of the buffer */
    void                            *Pointer;       /* pointer to buffer */

} ACPI_BUFFER;


/*
 * NameType for AcpiGetName
 */
#define ACPI_FULL_PATHNAME              0
#define ACPI_SINGLE_NAME                1
#define ACPI_FULL_PATHNAME_NO_TRAILING  2
#define ACPI_NAME_TYPE_MAX              2


/*
 * Predefined Namespace items
 */
typedef struct acpi_predefined_names
{
    const char                      *Name;
    UINT8                           Type;
    char                            *Val;

} ACPI_PREDEFINED_NAMES;


/*
 * Structure and flags for AcpiGetSystemInfo
 */
#define ACPI_SYS_MODE_UNKNOWN           0x0000
#define ACPI_SYS_MODE_ACPI              0x0001
#define ACPI_SYS_MODE_LEGACY            0x0002
#define ACPI_SYS_MODES_MASK             0x0003


/*
 * System info returned by AcpiGetSystemInfo()
 */
typedef struct acpi_system_info
{
    UINT32                          AcpiCaVersion;
    UINT32                          Flags;
    UINT32                          TimerResolution;
    UINT32                          Reserved1;
    UINT32                          Reserved2;
    UINT32                          DebugLevel;
    UINT32                          DebugLayer;

} ACPI_SYSTEM_INFO;


/*
 * System statistics returned by AcpiGetStatistics()
 */
typedef struct acpi_statistics
{
    UINT32                          SciCount;
    UINT32                          GpeCount;
    UINT32                          FixedEventCount[ACPI_NUM_FIXED_EVENTS];
    UINT32                          MethodCount;

} ACPI_STATISTICS;


/*
 * Types specific to the OS service interfaces
 */
typedef UINT32
(ACPI_SYSTEM_XFACE *ACPI_OSD_HANDLER) (
    void                            *Context);

typedef void
(ACPI_SYSTEM_XFACE *ACPI_OSD_EXEC_CALLBACK) (
    void                            *Context);

/*
 * Various handlers and callback procedures
 */
typedef
UINT32 (*ACPI_SCI_HANDLER) (
    void                            *Context);

typedef
void (*ACPI_GBL_EVENT_HANDLER) (
    UINT32                          EventType,
    ACPI_HANDLE                     Device,
    UINT32                          EventNumber,
    void                            *Context);

#define ACPI_EVENT_TYPE_GPE         0
#define ACPI_EVENT_TYPE_FIXED       1

typedef
UINT32 (*ACPI_EVENT_HANDLER) (
    void                            *Context);

typedef
UINT32 (*ACPI_GPE_HANDLER) (
    ACPI_HANDLE                     GpeDevice,
    UINT32                          GpeNumber,
    void                            *Context);

typedef
void (*ACPI_NOTIFY_HANDLER) (
    ACPI_HANDLE                     Device,
    UINT32                          Value,
    void                            *Context);

typedef
void (*ACPI_OBJECT_HANDLER) (
    ACPI_HANDLE                     Object,
    void                            *Data);

typedef
ACPI_STATUS (*ACPI_INIT_HANDLER) (
    ACPI_HANDLE                     Object,
    UINT32                          Function);

#define ACPI_INIT_DEVICE_INI        1

typedef
ACPI_STATUS (*ACPI_EXCEPTION_HANDLER) (
    ACPI_STATUS                     AmlStatus,
    ACPI_NAME                       Name,
    UINT16                          Opcode,
    UINT32                          AmlOffset,
    void                            *Context);

/* Table Event handler (Load, LoadTable, etc.) and types */

typedef
ACPI_STATUS (*ACPI_TABLE_HANDLER) (
    UINT32                          Event,
    void                            *Table,
    void                            *Context);


/* Table Event Types */

#define ACPI_TABLE_EVENT_LOAD           0x0
#define ACPI_TABLE_EVENT_UNLOAD         0x1
#define ACPI_TABLE_EVENT_INSTALL        0x2
#define ACPI_TABLE_EVENT_UNINSTALL      0x3
#define ACPI_NUM_TABLE_EVENTS           4


/* Address Spaces (For Operation Regions) */

typedef
ACPI_STATUS (*ACPI_ADR_SPACE_HANDLER) (
    UINT32                          Function,
    ACPI_PHYSICAL_ADDRESS           Address,
    UINT32                          BitWidth,
    UINT64                          *Value,
    void                            *HandlerContext,
    void                            *RegionContext);

#define ACPI_DEFAULT_HANDLER            NULL

/* Special Context data for GenericSerialBus/GeneralPurposeIo (ACPI 5.0) */

typedef struct acpi_connection_info
{
    UINT8                           *Connection;
    UINT16                          Length;
    UINT8                           AccessLength;

} ACPI_CONNECTION_INFO;


typedef
ACPI_STATUS (*ACPI_ADR_SPACE_SETUP) (
    ACPI_HANDLE                     RegionHandle,
    UINT32                          Function,
    void                            *HandlerContext,
    void                            **RegionContext);

#define ACPI_REGION_ACTIVATE    0
#define ACPI_REGION_DEACTIVATE  1

typedef
ACPI_STATUS (*ACPI_WALK_CALLBACK) (
    ACPI_HANDLE                     Object,
    UINT32                          NestingLevel,
    void                            *Context,
    void                            **ReturnValue);

typedef
UINT32 (*ACPI_INTERFACE_HANDLER) (
    ACPI_STRING                     InterfaceName,
    UINT32                          Supported);


/* Interrupt handler return values */

#define ACPI_INTERRUPT_NOT_HANDLED      0x00
#define ACPI_INTERRUPT_HANDLED          0x01

/* GPE handler return values */

#define ACPI_REENABLE_GPE               0x80


/* Length of 32-bit EISAID values when converted back to a string */

#define ACPI_EISAID_STRING_SIZE         8   /* Includes null terminator */

/* Length of UUID (string) values */

#define ACPI_UUID_LENGTH                16

/* Length of 3-byte PCI class code values when converted back to a string */

#define ACPI_PCICLS_STRING_SIZE         7   /* Includes null terminator */


/* Structures used for device/processor HID, UID, CID */

typedef struct acpi_pnp_device_id
{
    UINT32                          Length;             /* Length of string + null */
    char                            *String;

} ACPI_PNP_DEVICE_ID;

typedef struct acpi_pnp_device_id_list
{
    UINT32                          Count;              /* Number of IDs in Ids array */
    UINT32                          ListSize;           /* Size of list, including ID strings */
    ACPI_PNP_DEVICE_ID              Ids[1];             /* ID array */

} ACPI_PNP_DEVICE_ID_LIST;

/*
 * Structure returned from AcpiGetObjectInfo.
 * Optimized for both 32-bit and 64-bit builds.
 */
typedef struct acpi_device_info
{
    UINT32                          InfoSize;           /* Size of info, including ID strings */
    UINT32                          Name;               /* ACPI object Name */
    ACPI_OBJECT_TYPE                Type;               /* ACPI object Type */
    UINT8                           ParamCount;         /* If a method, required parameter count */
    UINT16                          Valid;              /* Indicates which optional fields are valid */
    UINT8                           Flags;              /* Miscellaneous info */
    UINT8                           HighestDstates[4];  /* _SxD values: 0xFF indicates not valid */
    UINT8                           LowestDstates[5];   /* _SxW values: 0xFF indicates not valid */
    UINT64                          Address;            /* _ADR value */
    ACPI_PNP_DEVICE_ID              HardwareId;         /* _HID value */
    ACPI_PNP_DEVICE_ID              UniqueId;           /* _UID value */
    ACPI_PNP_DEVICE_ID              ClassCode;          /* _CLS value */
    ACPI_PNP_DEVICE_ID_LIST         CompatibleIdList;   /* _CID list <must be last> */

} ACPI_DEVICE_INFO;

/* Values for Flags field above (AcpiGetObjectInfo) */

#define ACPI_PCI_ROOT_BRIDGE            0x01

/* Flags for Valid field above (AcpiGetObjectInfo) */

#define ACPI_VALID_ADR                  0x0002
#define ACPI_VALID_HID                  0x0004
#define ACPI_VALID_UID                  0x0008
#define ACPI_VALID_CID                  0x0020
#define ACPI_VALID_CLS                  0x0040
#define ACPI_VALID_SXDS                 0x0100
#define ACPI_VALID_SXWS                 0x0200

/* Flags for _STA method */

#define ACPI_STA_DEVICE_PRESENT         0x01
#define ACPI_STA_DEVICE_ENABLED         0x02
#define ACPI_STA_DEVICE_UI              0x04
#define ACPI_STA_DEVICE_FUNCTIONING     0x08
#define ACPI_STA_DEVICE_OK              0x08 /* Synonym */
#define ACPI_STA_BATTERY_PRESENT        0x10


/* Context structs for address space handlers */

typedef struct acpi_pci_id
{
    UINT16                          Segment;
    UINT16                          Bus;
    UINT16                          Device;
    UINT16                          Function;

} ACPI_PCI_ID;

typedef struct acpi_mem_space_context
{
    UINT32                          Length;
    ACPI_PHYSICAL_ADDRESS           Address;
    ACPI_PHYSICAL_ADDRESS           MappedPhysicalAddress;
    UINT8                           *MappedLogicalAddress;
    ACPI_SIZE                       MappedLength;

} ACPI_MEM_SPACE_CONTEXT;


/*
 * ACPI_MEMORY_LIST is used only if the ACPICA local cache is enabled
 */
typedef struct acpi_memory_list
{
    const char                      *ListName;
    void                            *ListHead;
    UINT16                          ObjectSize;
    UINT16                          MaxDepth;
    UINT16                          CurrentDepth;

#ifdef ACPI_DBG_TRACK_ALLOCATIONS

    /* Statistics for debug memory tracking only */

    UINT32                          TotalAllocated;
    UINT32                          TotalFreed;
    UINT32                          MaxOccupied;
    UINT32                          TotalSize;
    UINT32                          CurrentTotalSize;
    UINT32                          Requests;
    UINT32                          Hits;
#endif

} ACPI_MEMORY_LIST;


/* Definitions of trace event types */

typedef enum
{
    ACPI_TRACE_AML_METHOD,
    ACPI_TRACE_AML_OPCODE,
    ACPI_TRACE_AML_REGION

} ACPI_TRACE_EVENT_TYPE;


/* Definitions of _OSI support */

#define ACPI_VENDOR_STRINGS                 0x01
#define ACPI_FEATURE_STRINGS                0x02
#define ACPI_ENABLE_INTERFACES              0x00
#define ACPI_DISABLE_INTERFACES             0x04

#define ACPI_DISABLE_ALL_VENDOR_STRINGS     (ACPI_DISABLE_INTERFACES | ACPI_VENDOR_STRINGS)
#define ACPI_DISABLE_ALL_FEATURE_STRINGS    (ACPI_DISABLE_INTERFACES | ACPI_FEATURE_STRINGS)
#define ACPI_DISABLE_ALL_STRINGS            (ACPI_DISABLE_INTERFACES | ACPI_VENDOR_STRINGS | ACPI_FEATURE_STRINGS)
#define ACPI_ENABLE_ALL_VENDOR_STRINGS      (ACPI_ENABLE_INTERFACES | ACPI_VENDOR_STRINGS)
#define ACPI_ENABLE_ALL_FEATURE_STRINGS     (ACPI_ENABLE_INTERFACES | ACPI_FEATURE_STRINGS)
#define ACPI_ENABLE_ALL_STRINGS             (ACPI_ENABLE_INTERFACES | ACPI_VENDOR_STRINGS | ACPI_FEATURE_STRINGS)

#define ACPI_OSI_WIN_2000               0x01
#define ACPI_OSI_WIN_XP                 0x02
#define ACPI_OSI_WIN_XP_SP1             0x03
#define ACPI_OSI_WINSRV_2003            0x04
#define ACPI_OSI_WIN_XP_SP2             0x05
#define ACPI_OSI_WINSRV_2003_SP1        0x06
#define ACPI_OSI_WIN_VISTA              0x07
#define ACPI_OSI_WINSRV_2008            0x08
#define ACPI_OSI_WIN_VISTA_SP1          0x09
#define ACPI_OSI_WIN_VISTA_SP2          0x0A
#define ACPI_OSI_WIN_7                  0x0B
#define ACPI_OSI_WIN_8                  0x0C
#define ACPI_OSI_WIN_10                 0x0D
#define ACPI_OSI_WIN_10_RS1             0x0E
#define ACPI_OSI_WIN_10_RS2             0x0F
#define ACPI_OSI_WIN_10_RS3             0x10
#define ACPI_OSI_WIN_10_RS4             0x11
#define ACPI_OSI_WIN_10_RS5             0x12


/* Definitions of getopt */

#define ACPI_OPT_END                    -1


#endif /* __ACTYPES_H__ */