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actypes.h
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/******************************************************************************
*
* Name: actypes.h - Common data types for the entire ACPI subsystem
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2014, 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:struct_defs -- 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 (u8) (~((u8) 0)) /* 0xFF */
#define ACPI_UINT16_MAX (u16)(~((u16) 0)) /* 0xFFFF */
#define ACPI_UINT32_MAX (u32)(~((u32) 0)) /* 0xFFFFFFFF */
#define ACPI_UINT64_MAX (u64)(~((u64) 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):
*
* u8 Logical boolean
*
* u8 8-bit (1 byte) unsigned value
* u16 16-bit (2 byte) unsigned value
* u32 32-bit (4 byte) unsigned value
* u64 64-bit (8 byte) unsigned value
*
* s16 16-bit (2 byte) signed value
* s32 32-bit (4 byte) signed value
* s64 64-bit (8 byte) signed value
*
* COMPILER_DEPENDENT_UINT64/s64 - 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 u8;
typedef unsigned char u8;
typedef unsigned short u16;
typedef short s16;
typedef COMPILER_DEPENDENT_UINT64 u64;
typedef COMPILER_DEPENDENT_INT64 s64;
#endif /* ACPI_USE_SYSTEM_INTTYPES */
/*
* Value returned by acpi_os_get_thread_id. 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 u64
* 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 u64 (in acpi_os_get_thread_id).
*/
#define acpi_thread_id u64
/*******************************************************************************
*
* Types specific to 64-bit targets
*
******************************************************************************/
#if ACPI_MACHINE_WIDTH == 64
#ifndef ACPI_USE_SYSTEM_INTTYPES
typedef unsigned int u32;
typedef int s32;
#endif /* ACPI_USE_SYSTEM_INTTYPES */
typedef s64 acpi_native_int;
typedef u64 acpi_size;
typedef u64 acpi_io_address;
typedef u64 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 */
/*
* 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 u32;
typedef int s32;
#endif /* ACPI_USE_SYSTEM_INTTYPES */
typedef s32 acpi_native_int;
typedef u32 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 u32 acpi_io_address;
typedef u32 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 u64 acpi_io_address;
typedef u64 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 acpi_os_acquire_lock/acpi_os_release_lock */
#ifndef acpi_cpu_flags
#define acpi_cpu_flags acpi_size
#endif
/* Object returned from acpi_os_create_cache */
#ifndef acpi_cache_t
#ifdef ACPI_USE_LOCAL_CACHE
#define acpi_cache_t struct acpi_memory_list
#else
#define acpi_cache_t void *
#endif
#endif
/*
* Synchronization objects - Mutexes, Semaphores, and spin_locks
*/
#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 acpi_os_create_mutex(out_handle) acpi_os_create_semaphore (1, 1, out_handle)
#define acpi_os_delete_mutex(handle) (void) acpi_os_delete_semaphore (handle)
#define acpi_os_acquire_mutex(handle,time) acpi_os_wait_semaphore (handle, 1, time)
#define acpi_os_release_mutex(handle) (void) acpi_os_signal_semaphore (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, _acpi_module_name). 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 thes 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 acpi_exec to detect memory leaks)
*/
#define ACPI_MEM_PARAMETERS _COMPONENT, _acpi_module_name, __LINE__
#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS)
#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS)
#define ACPI_FREE(a) acpi_ut_free_and_track (a, ACPI_MEM_PARAMETERS)
#define ACPI_MEM_TRACKING(a) a
#else
/*
* Normal memory allocation directly via the OS services layer
*/
#define ACPI_ALLOCATE(a) acpi_os_allocate ((acpi_size) (a))
#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed ((acpi_size) (a))
#define ACPI_FREE(a) acpi_os_free (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 u32 acpi_status; /* All ACPI Exceptions */
typedef u32 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
/* Owner IDs are used to track namespace nodes for selective deletion */
typedef u8 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 */
#if ACPI_MACHINE_WIDTH == 64
#define ACPI_USE_NATIVE_DIVIDE /* Use compiler native 64-bit divide */
#endif
#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_ADD_PTR (acpi_handle, NULL, ACPI_MAX_PTR)
#define ACPI_WAIT_FOREVER 0xFFFF /* u16, 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 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 u64 acpi_integer;
#define ACPI_INTEGER_MAX ACPI_UINT64_MAX
/*******************************************************************************
*
* Commonly used macros
*
******************************************************************************/
/* Data manipulation */
#define ACPI_LOBYTE(integer) ((u8) (u16)(integer))
#define ACPI_HIBYTE(integer) ((u8) (((u16)(integer)) >> 8))
#define ACPI_LOWORD(integer) ((u16) (u32)(integer))
#define ACPI_HIWORD(integer) ((u16)(((u32)(integer)) >> 16))
#define ACPI_LODWORD(integer64) ((u32) (u64)(integer64))
#define ACPI_HIDWORD(integer64) ((u32)(((u64)(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 (u8, (a)) + (acpi_size)(b)))
#define ACPI_PTR_DIFF(a, b) (acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b)))
/* Pointer/Integer type conversions */
#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void, (void *) NULL,(acpi_size) i)
#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p, (void *) NULL)
#define ACPI_OFFSET(d, f) ACPI_PTR_DIFF (&(((d *) 0)->f), (void *) NULL)
#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 (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
#define ACPI_MOVE_NAME(dest,src) (*ACPI_CAST_PTR (u32, (dest)) = *ACPI_CAST_PTR (u32, (src)))
#else
#define ACPI_COMPARE_NAME(a,b) (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
#define ACPI_MOVE_NAME(dest,src) (ACPI_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) (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
#define ACPI_MAKE_RSDP_SIG(dest) (ACPI_MEMCPY (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
/*******************************************************************************
*
* Miscellaneous constants
*
******************************************************************************/
/*
* Initialization sequence
*/
#define ACPI_FULL_INITIALIZATION 0x00
#define ACPI_NO_ADDRESS_SPACE_INIT 0x01
#define ACPI_NO_HARDWARE_INIT 0x02
#define ACPI_NO_EVENT_INIT 0x04
#define ACPI_NO_HANDLER_INIT 0x08
#define ACPI_NO_ACPI_ENABLE 0x10
#define ACPI_NO_DEVICE_INIT 0x20
#define ACPI_NO_OBJECT_INIT 0x40
#define ACPI_NO_FACS_INIT 0x80
/*
* Initialization state
*/
#define ACPI_SUBSYSTEM_INITIALIZE 0x01
#define ACPI_INITIALIZED_OK 0x02
/*
* Power state values
*/
#define ACPI_STATE_UNKNOWN (u8) 0xFF
#define ACPI_STATE_S0 (u8) 0
#define ACPI_STATE_S1 (u8) 1
#define ACPI_STATE_S2 (u8) 2
#define ACPI_STATE_S3 (u8) 3
#define ACPI_STATE_S4 (u8) 4
#define ACPI_STATE_S5 (u8) 5
#define ACPI_S_STATES_MAX ACPI_STATE_S5
#define ACPI_S_STATE_COUNT 6
#define ACPI_STATE_D0 (u8) 0
#define ACPI_STATE_D1 (u8) 1
#define ACPI_STATE_D2 (u8) 2
#define ACPI_STATE_D3_HOT (u8) 3
#define ACPI_STATE_D3 (u8) 4
#define ACPI_STATE_D3_COLD ACPI_STATE_D3
#define ACPI_D_STATES_MAX ACPI_STATE_D3
#define ACPI_D_STATE_COUNT 5
#define ACPI_STATE_C0 (u8) 0
#define ACPI_STATE_C1 (u8) 1
#define ACPI_STATE_C2 (u8) 2
#define ACPI_STATE_C3 (u8) 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 (u8) 0x00
#define ACPI_NOTIFY_DEVICE_CHECK (u8) 0x01
#define ACPI_NOTIFY_DEVICE_WAKE (u8) 0x02
#define ACPI_NOTIFY_EJECT_REQUEST (u8) 0x03
#define ACPI_NOTIFY_DEVICE_CHECK_LIGHT (u8) 0x04
#define ACPI_NOTIFY_FREQUENCY_MISMATCH (u8) 0x05
#define ACPI_NOTIFY_BUS_MODE_MISMATCH (u8) 0x06
#define ACPI_NOTIFY_POWER_FAULT (u8) 0x07
#define ACPI_NOTIFY_CAPABILITIES_CHECK (u8) 0x08
#define ACPI_NOTIFY_DEVICE_PLD_CHECK (u8) 0x09
#define ACPI_NOTIFY_RESERVED (u8) 0x0A
#define ACPI_NOTIFY_LOCALITY_UPDATE (u8) 0x0B
#define ACPI_NOTIFY_SHUTDOWN_REQUEST (u8) 0x0C
#define ACPI_NOTIFY_AFFINITY_UPDATE (u8) 0x0D
#define ACPI_NOTIFY_MAX 0x0D
/*
* 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 object_type() 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 acpi_ns_properties
* and acpi_ns_type_names arrays.
*/
typedef u32 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 /* byte_const, multiple data_term/Constant/super_name */
#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, byte_const, multiple Code */
#define ACPI_TYPE_MUTEX 0x09
#define ACPI_TYPE_REGION 0x0A
#define ACPI_TYPE_POWER 0x0B /* Name,byte_const,word_const,multi Node */
#define ACPI_TYPE_PROCESSOR 0x0C /* Name,byte_const,Dword_const,byte_const,multi nm_o */
#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
/*
* These are object types that do not map directly to the ACPI
* object_type() 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, ref_of, 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 object_list Nodes */
#define ACPI_TYPE_NS_NODE_MAX 0x1B /* Last typecode used within a NS Node */
/*
* These are special object types that never appear in
* a Namespace node, only in an object of union 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 u32 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 31:4 |3|2|1|0|
* +-------------+-+-+-+-+
* | | | | |
* | | | | +- Enabled?
* | | | +--- Enabled for wake?
* | | +----- Set?
* | +------- Has a handler?
* +------------- <Reserved>
*/
typedef u32 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_SET (acpi_event_status) 0x04
#define ACPI_EVENT_FLAG_HAS_HANDLER (acpi_event_status) 0x08
/* Actions for acpi_set_gpe, acpi_gpe_wakeup, acpi_hw_low_set_gpe */
#define ACPI_GPE_ENABLE 0
#define ACPI_GPE_DISABLE 1
#define ACPI_GPE_CONDITIONAL_ENABLE 2
/*
* GPE info flags - Per GPE
* +-------+-+-+---+
* | 7:4 |3|2|1:0|
* +-------+-+-+---+
* | | | |
* | | | +-- Type of dispatch:to method, handler, notify, or none
* | | +----- Interrupt type: edge or level triggered
* | +------- Is a Wake GPE
* +------------ <Reserved>
*/
#define ACPI_GPE_DISPATCH_NONE (u8) 0x00
#define ACPI_GPE_DISPATCH_METHOD (u8) 0x01
#define ACPI_GPE_DISPATCH_HANDLER (u8) 0x02
#define ACPI_GPE_DISPATCH_NOTIFY (u8) 0x03
#define ACPI_GPE_DISPATCH_MASK (u8) 0x03
#define ACPI_GPE_LEVEL_TRIGGERED (u8) 0x04
#define ACPI_GPE_EDGE_TRIGGERED (u8) 0x00
#define ACPI_GPE_XRUPT_TYPE_MASK (u8) 0x04
#define ACPI_GPE_CAN_WAKE (u8) 0x08
/*
* 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 u8 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
/*
* bit_register 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 acpi_gbl_bit_register_info 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) (u8 sleep_state);
struct acpi_sleep_functions {
acpi_sleep_function legacy_function;
acpi_sleep_function extended_function;
};
/*
* External ACPI object definition
*/
/*
* Note: Type == ACPI_TYPE_ANY (0) is used to indicate a NULL package element
* or an unresolved named reference.
*/
union acpi_object {
acpi_object_type type; /* See definition of acpi_ns_type for values */
struct {
acpi_object_type type; /* ACPI_TYPE_INTEGER */
u64 value; /* The actual number */
} integer;
struct {
acpi_object_type type; /* ACPI_TYPE_STRING */
u32 length; /* # of bytes in string, excluding trailing null */
char *pointer; /* points to the string value */
} string;
struct {
acpi_object_type type; /* ACPI_TYPE_BUFFER */
u32 length; /* # of bytes in buffer */
u8 *pointer; /* points to the buffer */
} buffer;
struct {
acpi_object_type type; /* ACPI_TYPE_PACKAGE */
u32 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 actual_type; /* Type associated with the Handle */
acpi_handle handle; /* object reference */
} reference;
struct {
acpi_object_type type; /* ACPI_TYPE_PROCESSOR */
u32 proc_id;
acpi_io_address pblk_address;
u32 pblk_length;
} processor;
struct {
acpi_object_type type; /* ACPI_TYPE_POWER */
u32 system_level;
u32 resource_order;
} power_resource;
};
/*
* List of objects, used as a parameter list for control method evaluation
*/
struct acpi_object_list {
u32 count;
union acpi_object *pointer;
};
/*
* 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 */
struct acpi_buffer {
acpi_size length; /* Length in bytes of the buffer */
void *pointer; /* pointer to buffer */
};
/*
* name_type for acpi_get_name
*/
#define ACPI_FULL_PATHNAME 0
#define ACPI_SINGLE_NAME 1
#define ACPI_NAME_TYPE_MAX 1
/*
* Predefined Namespace items
*/
struct acpi_predefined_names {
char *name;
u8 type;
char *val;
};
/*
* Structure and flags for acpi_get_system_info