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////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014 Microsoft Corporation. All Rights Reserved.
//
// Module Name:
// HelperFunctions_DeferredProcedureCalls.h
//
// Abstract:
// This module contains prototypes for kernel helper functions that assist with DPC and
// threaded DPC routines.
//
// Author:
// Dusty Harper (DHarper)
//
// Revision History:
//
// [ Month ][Day] [Year] - [Revision]-[ Comments ]
// May 01, 2010 - 1.0 - Creation
// December 13, 2013 - 1.1 - Add support for serializing asynchronous
// FWPM_LAYER_STREAM injections
//
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef HELPERFUNCTIONS_DEFERRED_PROCEDURE_CALLS_H
#define HELPERFUNCTIONS_DEFERRED_PROCEDURE_CALLS_H
typedef struct DPC_DATA_
{
KDPC kdpc;
union
{
CLASSIFY_DATA* pClassifyData;
NOTIFY_DATA* pNotifyData;
};
union
{
INJECTION_DATA* pInjectionData;
REDIRECT_DATA* pRedirectData;
PEND_DATA* pPendData;
};
VOID* pContext;
}DPC_DATA, *PDPC_DATA;
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
VOID KrnlHlprDPCDataPurge(_Inout_ DPC_DATA* pDPCData);
_At_(*ppDPCData, _Pre_ _Notnull_)
_At_(*ppDPCData, _Post_ _Null_ __drv_freesMem(Pool))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Success_(*ppDPCData == 0)
VOID KrnlHlprDPCDataDestroy(_Inout_ DPC_DATA** ppDPCData);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
VOID KrnlHlprDPCDataPopulate(_Inout_ DPC_DATA* pDPCData,
_In_ CLASSIFY_DATA* pClassifyData,
_In_opt_ INJECTION_DATA* pInjectionData = 0,
_In_opt_ VOID* pContext = 0);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
VOID KrnlHlprDPCDataPopulate(_Inout_ DPC_DATA* pDPCData,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
VOID KrnlHlprDPCDataPopulate(_Inout_ DPC_DATA* pDPCData,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ REDIRECT_DATA* pRedirectData,
_In_opt_ VOID** pContext = 0);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
VOID KrnlHlprDPCDataPopulate(_Inout_ DPC_DATA* pDPCData,
_In_ NOTIFY_DATA* pNotifyData,
_In_opt_ VOID* pContext = 0);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
VOID KrnlHlprDPCDataPopulate(_Inout_ DPC_DATA* pDPCData,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0);
_At_(*ppDPCData, _Pre_ _Null_)
_When_(return != STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Null_))
_When_(return == STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Notnull_ __drv_allocatesMem(Pool)))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCDataCreate(_Outptr_ DPC_DATA** ppDPCData,
_In_ CLASSIFY_DATA* pClassifyData,
_In_opt_ INJECTION_DATA* pInjectionData = 0,
_In_opt_ VOID* pContext = 0);
_At_(*ppDPCData, _Pre_ _Null_)
_When_(return != STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Null_))
_When_(return == STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Notnull_ __drv_allocatesMem(Pool)))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCDataCreate(_Outptr_ DPC_DATA** ppDPCData,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0);
_At_(*ppDPCData, _Pre_ _Null_)
_When_(return != STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Null_))
_When_(return == STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Notnull_ __drv_allocatesMem(Pool)))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCDataCreate(_Outptr_ DPC_DATA** ppDPCData,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ REDIRECT_DATA* pRedirectData,
_In_opt_ VOID* pContext = 0);
_At_(*ppDPCData, _Pre_ _Null_)
_When_(return != STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Null_))
_When_(return == STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Notnull_ __drv_allocatesMem(Pool)))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCDataCreate(_Outptr_ DPC_DATA** ppDPCData,
_In_ NOTIFY_DATA* pNotifyData,
_In_opt_ VOID* pContext = 0);
_At_(*ppDPCData, _Pre_ _Null_)
_When_(return != STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Null_))
_When_(return == STATUS_SUCCESS, _At_(*ppDPCData, _Post_ _Notnull_ __drv_allocatesMem(Pool)))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCDataCreate(_Outptr_ DPC_DATA** ppDPCData,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ CLASSIFY_DATA* pClassifyData,
_In_opt_ INJECTION_DATA* pInjectionData = 0,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ REDIRECT_DATA* pRedirectData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ NOTIFY_DATA* pNotifyData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprThreadedDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprThreadedDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ CLASSIFY_DATA* pClassifyData,
_In_opt_ INJECTION_DATA* pInjectionData = 0,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprThreadedDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprThreadedDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ CLASSIFY_DATA* pClassifyData,
_In_ REDIRECT_DATA* pRedirectData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprThreadedDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ NOTIFY_DATA* pNotifyData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprThreadedDPCQueue(_In_ KDEFERRED_ROUTINE* pDPCFn,
_In_ PEND_DATA* pPendData,
_In_opt_ VOID* pContext = 0,
_In_ UINT32 processorNumber = 0,
_In_ BOOLEAN forceProcessor = FALSE);
#endif /// HELPERFUNCTIONS_DEFERRED_PROCEDURE_CALLS_H
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