155 lines
3.1 KiB
C
155 lines
3.1 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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mf.h
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Abstract:
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This header describes the structures and interfaces required to interact
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with the multifunction enumerator.
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Author:
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Andy Thornton (andrewth) 20-Oct-97
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Revision History:
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--*/
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#if !defined(_MF_)
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#define _MF_
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//
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// MfFlags value
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//
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#define MF_FLAGS_EVEN_IF_NO_RESOURCE 0x00000001
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#define MF_FLAGS_NO_CREATE_IF_NO_RESOURCE 0x00000002
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#define MF_FLAGS_FILL_IN_UNKNOWN_RESOURCE 0x00000004
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#define MF_FLAGS_CREATE_BUT_NO_SHOW_DISABLED 0x00000008
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typedef struct _MF_RESOURCE_MAP {
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ULONG Count;
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UCHAR Resources[ANYSIZE_ARRAY];
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} MF_RESOURCE_MAP, *PMF_RESOURCE_MAP;
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typedef struct _MF_VARYING_RESOURCE_ENTRY {
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UCHAR ResourceIndex;
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UCHAR Reserved[3]; // Packing
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ULONG Offset;
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ULONG Size;
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ULONG MaxCount;
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} MF_VARYING_RESOURCE_ENTRY, *PMF_VARYING_RESOURCE_ENTRY;
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typedef struct _MF_VARYING_RESOURCE_MAP {
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ULONG Count;
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MF_VARYING_RESOURCE_ENTRY Resources[ANYSIZE_ARRAY];
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} MF_VARYING_RESOURCE_MAP, *PMF_VARYING_RESOURCE_MAP;
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typedef struct _MF_DEVICE_INFO *PMF_DEVICE_INFO;
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typedef struct _MF_DEVICE_INFO {
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//
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// Name for this child, unique with respect to the other children
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//
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UNICODE_STRING Name;
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//
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// A REG_MULTI_SZ style list of hardware IDs
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//
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UNICODE_STRING HardwareID;
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//
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// A REG_MULTI_SZ style list of compatible IDs
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//
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UNICODE_STRING CompatibleID;
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//
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// Map of resource that we totally consume
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//
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PMF_RESOURCE_MAP ResourceMap;
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//
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// Map of resource that we partially consume
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//
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PMF_VARYING_RESOURCE_MAP VaryingResourceMap;
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//
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// Flags -
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// MF_FLAGS_FILL_IN_UNKNOWN_RESOURCE - if the parent resource doesn't
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// contain a descriptor referenced in the ResourceMap use a
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// null (CmResourceTypeNull) descriptor instead.
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//
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ULONG MfFlags;
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} MF_DEVICE_INFO;
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typedef
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NTSTATUS
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(*PMF_ENUMERATE_CHILD)(
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IN PVOID Context,
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IN ULONG Index,
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OUT PMF_DEVICE_INFO ChildInfo
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);
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/*++
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Routine Description:
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This returns information about children to be enumerated by a multifunction
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driver.
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Arguments:
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Context - Context from the MF_ENUMERATION_INTERFACE
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Index - Zero based index of the children
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ChildInfo - Pointer to a caller allocated buffer that should be filled in
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by the callee. This will involve allocation of extra buffers for each
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piece of information. These will be freed by calling ExFreePool when
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they are no longer required.
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Return Value:
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Status code that indicates whether or not the function was successful.
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STATUS_NO_MORE_ENTRIES indicates that the are no more children to enumerate
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--*/
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typedef struct _MF_ENUMERATION_INTERFACE {
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//
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// Generic interface header
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//
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USHORT Size;
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USHORT Version;
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PVOID Context;
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PINTERFACE_REFERENCE InterfaceReference;
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PINTERFACE_DEREFERENCE InterfaceDereference;
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//
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// Multi-function enumeration data
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//
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PMF_ENUMERATE_CHILD EnumerateChild;
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} MF_ENUMERATION_INTERFACE, *PMF_ENUMERATION_INTERFACE;
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#endif
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