Source code of Windows XP (NT5)
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
acpiioct.h
Abstract:
This module handles all of the INTERNAL_DEVICE_CONTROLS requested to
the ACPI driver
Author:
Environment:
NT Kernel Model Driver only
--*/
#ifndef _ACPIIOCT_H_
#define _ACPIIOCT_H_
#if defined (_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif
//
// IRP_MJ_INTERNAL_DEVICE_CONTROL CODES
//
#define IOCTL_ACPI_ASYNC_EVAL_METHOD CTL_CODE(FILE_DEVICE_ACPI, 0, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_ACPI_EVAL_METHOD CTL_CODE(FILE_DEVICE_ACPI, 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_ACPI_ACQUIRE_GLOBAL_LOCK CTL_CODE(FILE_DEVICE_ACPI, 4, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_ACPI_RELEASE_GLOBAL_LOCK CTL_CODE(FILE_DEVICE_ACPI, 5, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
//
// Data structures used for IOCTL_ACPI_ASYNC_EVAL_METHOD and
// IOCTL_ACPI_EVAL_METHOD
//
//
// Possible Input buffer
//
typedef struct _ACPI_EVAL_INPUT_BUFFER {
ULONG Signature;
union {
UCHAR MethodName[4];
ULONG MethodNameAsUlong;
};
} ACPI_EVAL_INPUT_BUFFER, *PACPI_EVAL_INPUT_BUFFER;
typedef struct _ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER {
ULONG Signature;
union {
UCHAR MethodName[4];
ULONG MethodNameAsUlong;
};
ULONG IntegerArgument;
} ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER, *PACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER;
typedef struct _ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING {
ULONG Signature;
union {
UCHAR MethodName[4];
ULONG MethodNameAsUlong;
};
ULONG StringLength;
UCHAR String[ANYSIZE_ARRAY];
} ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING, *PACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING;
typedef struct _ACPI_METHOD_ARGUMENT {
USHORT Type;
USHORT DataLength;
union {
ULONG Argument;
UCHAR Data[ANYSIZE_ARRAY];
};
} ACPI_METHOD_ARGUMENT, *PACPI_METHOD_ARGUMENT;
#define ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT( Argument ) \
( ( (PACPI_METHOD_ARGUMENT) Argument)->DataLength > sizeof(ULONG) ? \
( (PACPI_METHOD_ARGUMENT) Argument)->DataLength + 2 * sizeof(USHORT):\
2 * sizeof(USHORT) + sizeof(ULONG) )
#define ACPI_METHOD_ARGUMENT_LENGTH( DataLength ) \
( (DataLength > sizeof(ULONG)) ? DataLength + (2 * sizeof(USHORT)) : \
2 * sizeof(USHORT) + sizeof(ULONG) )
#define ACPI_METHOD_NEXT_ARGUMENT( Argument ) \
(PACPI_METHOD_ARGUMENT) ( (PUCHAR) Argument + \
ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT( Argument ) )
typedef struct _ACPI_EVAL_INPUT_BUFFER_COMPLEX {
ULONG Signature;
union {
UCHAR MethodName[4];
ULONG MethodNameAsUlong;
};
ULONG Size;
ULONG ArgumentCount;
ACPI_METHOD_ARGUMENT Argument[ANYSIZE_ARRAY];
} ACPI_EVAL_INPUT_BUFFER_COMPLEX, *PACPI_EVAL_INPUT_BUFFER_COMPLEX;
typedef struct _ACPI_EVAL_OUTPUT_BUFFER {
ULONG Signature;
ULONG Length;
ULONG Count;
ACPI_METHOD_ARGUMENT Argument[ANYSIZE_ARRAY];
} ACPI_EVAL_OUTPUT_BUFFER, *PACPI_EVAL_OUTPUT_BUFFER;
#define ACPI_EVAL_INPUT_BUFFER_SIGNATURE 'BieA'
#define ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER_SIGNATURE 'IieA'
#define ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING_SIGNATURE 'SieA'
#define ACPI_EVAL_INPUT_BUFFER_COMPLEX_SIGNATURE 'CieA'
#define ACPI_EVAL_OUTPUT_BUFFER_SIGNATURE 'BoeA'
#define ACPI_METHOD_ARGUMENT_INTEGER 0x0
#define ACPI_METHOD_ARGUMENT_STRING 0x1
#define ACPI_METHOD_ARGUMENT_BUFFER 0x2
#define ACPI_METHOD_ARGUMENT_PACKAGE 0x3
//
// Data structures used for IOCTL_ACPI_ACQUIRE_GLOBAL_LOCK
// IOCTL_ACPI_RELEASE_GLOBAL_LOCK
//
typedef struct _ACPI_MANIPULATE_GLOBAL_LOCK_BUFFER {
ULONG Signature;
PVOID LockObject;
} ACPI_MANIPULATE_GLOBAL_LOCK_BUFFER, *PACPI_MANIPULATE_GLOBAL_LOCK_BUFFER;
#define ACPI_ACQUIRE_GLOBAL_LOCK_SIGNATURE 'LgaA'
#define ACPI_RELEASE_GLOBAL_LOCK_SIGNATURE 'LgrA'
#endif