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