acobject.h

acpi tools for linux include acpiexec and acpixtract

    union acpi_operand_object       *DeviceNotify;      /* Handler for driver notifies */\
    union acpi_operand_object       *Handler;           /* Handler for Address space */


typedef struct acpi_object_notify_common    /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_NOTIFY_INFO

} ACPI_OBJECT_NOTIFY_COMMON;


typedef struct acpi_object_device
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_NOTIFY_INFO
    ACPI_GPE_BLOCK_INFO             *GpeBlock;

} ACPI_OBJECT_DEVICE;


typedef struct acpi_object_power_resource
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_NOTIFY_INFO
    UINT32                          SystemLevel;
    UINT32                          ResourceOrder;

} ACPI_OBJECT_POWER_RESOURCE;


typedef struct acpi_object_processor
{
    ACPI_OBJECT_COMMON_HEADER

    /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */

    UINT8                           ProcId;
    UINT8                           Length;
    ACPI_COMMON_NOTIFY_INFO
    ACPI_IO_ADDRESS                 Address;

} ACPI_OBJECT_PROCESSOR;


typedef struct acpi_object_thermal_zone
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_NOTIFY_INFO

} ACPI_OBJECT_THERMAL_ZONE;


/******************************************************************************
 *
 * Fields.  All share a common header/info field.
 *
 *****************************************************************************/

/*
 * Common bitfield for the field objects
 * "Field Datum"  -- a datum from the actual field object
 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
 */
#define ACPI_COMMON_FIELD_INFO \
    UINT8                           FieldFlags;         /* Access, update, and lock bits */\
    UINT8                           Attribute;          /* From AccessAs keyword */\
    UINT8                           AccessByteWidth;    /* Read/Write size in bytes */\
    ACPI_NAMESPACE_NODE             *Node;              /* Link back to parent node */\
    UINT32                          BitLength;          /* Length of field in bits */\
    UINT32                          BaseByteOffset;     /* Byte offset within containing object */\
    UINT32                          Value;              /* Value to store into the Bank or Index register */\
    UINT8                           StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\
    UINT8                           AccessBitWidth;     /* Read/Write size in bits (8-64) */


typedef struct acpi_object_field_common                 /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_FIELD_INFO
    union acpi_operand_object       *RegionObj;         /* Parent Operation Region object (REGION/BANK fields only) */

} ACPI_OBJECT_FIELD_COMMON;


typedef struct acpi_object_region_field
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_FIELD_INFO
    union acpi_operand_object       *RegionObj;         /* Containing OpRegion object */

} ACPI_OBJECT_REGION_FIELD;


typedef struct acpi_object_bank_field
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_FIELD_INFO
    union acpi_operand_object       *RegionObj;         /* Containing OpRegion object */
    union acpi_operand_object       *BankObj;           /* BankSelect Register object */

} ACPI_OBJECT_BANK_FIELD;


typedef struct acpi_object_index_field
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_FIELD_INFO

    /*
     * No "RegionObj" pointer needed since the Index and Data registers
     * are each field definitions unto themselves.
     */
    union acpi_operand_object       *IndexObj;          /* Index register */
    union acpi_operand_object       *DataObj;           /* Data register */

} ACPI_OBJECT_INDEX_FIELD;


/* The BufferField is different in that it is part of a Buffer, not an OpRegion */

typedef struct acpi_object_buffer_field
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_COMMON_FIELD_INFO
    union acpi_operand_object       *BufferObj;         /* Containing Buffer object */

} ACPI_OBJECT_BUFFER_FIELD;


/******************************************************************************
 *
 * Objects for handlers
 *
 *****************************************************************************/

typedef struct acpi_object_notify_handler
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_NAMESPACE_NODE             *Node;              /* Parent device */
    ACPI_NOTIFY_HANDLER             Handler;
    void                            *Context;

} ACPI_OBJECT_NOTIFY_HANDLER;


typedef struct acpi_object_addr_handler
{
    ACPI_OBJECT_COMMON_HEADER
    UINT8                           SpaceId;
    UINT8                           HandlerFlags;
    ACPI_ADR_SPACE_HANDLER          Handler;
    ACPI_NAMESPACE_NODE             *Node;              /* Parent device */
    void                            *Context;
    ACPI_ADR_SPACE_SETUP            Setup;
    union acpi_operand_object       *RegionList;        /* regions using this handler */
    union acpi_operand_object       *Next;

} ACPI_OBJECT_ADDR_HANDLER;

/* Flags for address handler (HandlerFlags) */

#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED  0x01


/******************************************************************************
 *
 * Special internal objects
 *
 *****************************************************************************/

/*
 * The Reference object type is used for these opcodes:
 * Arg[0-6], Local[0-7], IndexOp, NameOp, ZeroOp, OneOp, OnesOp, DebugOp
 */
typedef struct acpi_object_reference
{
    ACPI_OBJECT_COMMON_HEADER
    UINT8                           TargetType;         /* Used for IndexOp */
    UINT16                          Opcode;
    void                            *Object;            /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT  */
    ACPI_NAMESPACE_NODE             *Node;
    union acpi_operand_object       **Where;
    UINT32                          Offset;             /* Used for ArgOp, LocalOp, and IndexOp */

} ACPI_OBJECT_REFERENCE;


/*
 * Extra object is used as additional storage for types that
 * have AML code in their declarations (TermArgs) that must be
 * evaluated at run time.
 *
 * Currently: Region and FieldUnit types
 */
typedef struct acpi_object_extra
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_NAMESPACE_NODE             *Method_REG;        /* _REG method for this region (if any) */
    void                            *RegionContext;     /* Region-specific data */
    UINT8                           *AmlStart;
    UINT32                          AmlLength;

} ACPI_OBJECT_EXTRA;


/* Additional data that can be attached to namespace nodes */

typedef struct acpi_object_data
{
    ACPI_OBJECT_COMMON_HEADER
    ACPI_OBJECT_HANDLER             Handler;
    void                            *Pointer;

} ACPI_OBJECT_DATA;


/* Structure used when objects are cached for reuse */

typedef struct acpi_object_cache_list
{
    ACPI_OBJECT_COMMON_HEADER
    union acpi_operand_object       *Next;              /* Link for object cache and internal lists*/

} ACPI_OBJECT_CACHE_LIST;


/******************************************************************************
 *
 * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above
 *
 *****************************************************************************/

typedef union acpi_operand_object
{
    ACPI_OBJECT_COMMON                  Common;
    ACPI_OBJECT_INTEGER                 Integer;
    ACPI_OBJECT_STRING                  String;
    ACPI_OBJECT_BUFFER                  Buffer;
    ACPI_OBJECT_PACKAGE                 Package;
    ACPI_OBJECT_EVENT                   Event;
    ACPI_OBJECT_METHOD                  Method;
    ACPI_OBJECT_MUTEX                   Mutex;
    ACPI_OBJECT_REGION                  Region;
    ACPI_OBJECT_NOTIFY_COMMON           CommonNotify;
    ACPI_OBJECT_DEVICE                  Device;
    ACPI_OBJECT_POWER_RESOURCE          PowerResource;
    ACPI_OBJECT_PROCESSOR               Processor;
    ACPI_OBJECT_THERMAL_ZONE            ThermalZone;
    ACPI_OBJECT_FIELD_COMMON            CommonField;
    ACPI_OBJECT_REGION_FIELD            Field;
    ACPI_OBJECT_BUFFER_FIELD            BufferField;
    ACPI_OBJECT_BANK_FIELD              BankField;
    ACPI_OBJECT_INDEX_FIELD             IndexField;
    ACPI_OBJECT_NOTIFY_HANDLER          Notify;
    ACPI_OBJECT_ADDR_HANDLER            AddressSpace;
    ACPI_OBJECT_REFERENCE               Reference;
    ACPI_OBJECT_EXTRA                   Extra;
    ACPI_OBJECT_DATA                    Data;
    ACPI_OBJECT_CACHE_LIST              Cache;

} ACPI_OPERAND_OBJECT;


/******************************************************************************
 *
 * ACPI_DESCRIPTOR - objects that share a common descriptor identifier
 *
 *****************************************************************************/

/* Object descriptor types */

#define ACPI_DESC_TYPE_CACHED           0x01        /* Used only when object is cached */
#define ACPI_DESC_TYPE_STATE            0x02
#define ACPI_DESC_TYPE_STATE_UPDATE     0x03
#define ACPI_DESC_TYPE_STATE_PACKAGE    0x04
#define ACPI_DESC_TYPE_STATE_CONTROL    0x05
#define ACPI_DESC_TYPE_STATE_RPSCOPE    0x06
#define ACPI_DESC_TYPE_STATE_PSCOPE     0x07
#define ACPI_DESC_TYPE_STATE_WSCOPE     0x08
#define ACPI_DESC_TYPE_STATE_RESULT     0x09
#define ACPI_DESC_TYPE_STATE_NOTIFY     0x0A
#define ACPI_DESC_TYPE_STATE_THREAD     0x0B
#define ACPI_DESC_TYPE_WALK             0x0C
#define ACPI_DESC_TYPE_PARSER           0x0D
#define ACPI_DESC_TYPE_OPERAND          0x0E
#define ACPI_DESC_TYPE_NAMED            0x0F
#define ACPI_DESC_TYPE_MAX              0x0F


typedef struct acpi_common_descriptor
{
    void                            *CommonPointer;
    UINT8                           DescriptorType; /* To differentiate various internal objs */

} ACPI_COMMON_DESCRIPTOR;

typedef union acpi_descriptor
{
    ACPI_COMMON_DESCRIPTOR          Common;
    ACPI_OPERAND_OBJECT             Object;
    ACPI_NAMESPACE_NODE             Node;
    ACPI_PARSE_OBJECT               Op;

} ACPI_DESCRIPTOR;

#pragma pack()

#endif /* _ACOBJECT_H */