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bbdb4d6340
An alignment of 1 means no alignment required and the class doesn't exist. 0 shouldn't be used for alignment requirement in IQS_NONE!
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Internal header for information classes info interface
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* COPYRIGHT: Copyright ???
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* Copyright 2020-2021 George Bișoc <george.bisoc@reactos.org>
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*/
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#pragma once
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/*
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* Implement generic information class probing code in a
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* separate header within the NT kernel header internals.
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* This makes it accessible to other sources by including
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* the header.
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*/
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#define ICIF_NONE 0x0
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#define ICIF_QUERY 0x1
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#define ICIF_SET 0x2
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#define ICIF_QUERY_SIZE_VARIABLE 0x4
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#define ICIF_SET_SIZE_VARIABLE 0x8
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#define ICIF_SIZE_VARIABLE (ICIF_QUERY_SIZE_VARIABLE | ICIF_SET_SIZE_VARIABLE)
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typedef struct _INFORMATION_CLASS_INFO
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{
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USHORT RequiredSizeQUERY;
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UCHAR AlignmentQUERY;
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USHORT RequiredSizeSET;
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UCHAR AlignmentSET;
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USHORT Flags;
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} INFORMATION_CLASS_INFO, *PINFORMATION_CLASS_INFO;
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#define IQS_SAME(Type, Alignment, Flags) \
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{ sizeof(Type), sizeof(Alignment), sizeof(Type), sizeof(Alignment), Flags }
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#define IQS(TypeQuery, AlignmentQuery, TypeSet, AlignmentSet, Flags) \
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{ sizeof(TypeQuery), sizeof(AlignmentQuery), sizeof(TypeSet), sizeof(AlignmentSet), Flags }
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#define IQS_NONE \
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{ 0, sizeof(CHAR), 0, sizeof(CHAR), ICIF_NONE }
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