85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
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/*++
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Copyright (c) Microsoft Corporation
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Module Name:
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logger.h
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Abstract:
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Author:
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Revision History:
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--*/
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#ifndef __LOGGER_H__
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#define __LOGGER_H__
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#define MAX_NOMINAL_LOG_MAP (4096 * 4)
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#define MAX_ABSORB_LOG_MAP (4096 * 15)
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#define LOG_PRIO_BOOST 2
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#define LOG_DATA_SIZE 80 // nominal # of bytes to log
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#define DOLOGAPC 0
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#define SignalLogThreshold(pLog) \
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if(pLog->Event) \
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{ \
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KeSetEvent(pLog->Event, LOG_PRIO_BOOST, FALSE); \
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}
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typedef struct _PfLogInterface
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{
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LIST_ENTRY NextLog;
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DWORD dwLoggedEntries;
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DWORD dwEntriesThreshold;
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DWORD dwFlags; // see below
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PFLOGGER pfLogId;
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DWORD dwMapWindowSize;
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DWORD dwMapWindowSize2;
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DWORD dwMapWindowSizeFloor;
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PBYTE pUserAddress; // Current user VA
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DWORD dwTotalSize;
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DWORD dwPastMapped; // bytes used and no longer mapped
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PBYTE pCurrentMapPointer; // kernel VA of mapping
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DWORD dwMapCount;
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DWORD dwMapOffset; // offset into the mapped segment
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PMDL Mdl; // MDL for the mapping
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PIRP Irp;
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PRKEVENT Event;
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DWORD dwLostEntries;
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LONG UseCount;
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DWORD dwSignalThreshold;
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LONG lApcInProgress;
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NTSTATUS MapStatus;
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KSPIN_LOCK LogLock;
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#if DOLOGAPC
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DWORD ApcInited;
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KAPC Apc;
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#endif
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ERESOURCE Resource;
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} PFLOGINTERFACE, *PPFLOGINTERFACE;
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//
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// flags
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//
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#define LOG_BADMEM 0x1 // an error occurred mapping the memory
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#define LOG_OUTMEM 0x2 // buffer exhausted
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#define LOG_CANTMAP 0x4 // nothing more to map
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typedef struct _PfPagedLog
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{
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LIST_ENTRY Next;
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PPFLOGINTERFACE pLog;
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} PFPAGEDLOG, *PPFPAGEDLOG;
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#endif
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