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139 lines
3.4 KiB
139 lines
3.4 KiB
/*++
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Copyright (c) 2000-2001 Microsoft Corporation
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Module Name:
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filtqtrace.h
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Abstract:
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This module contains public declarations and definitions for tracing
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and debugging filter queues.
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Author:
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Michael Courage (mcourage) 11-Nov-2000
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Revision History:
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--*/
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#ifndef _FILTQTRACE_H_
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#define _FILTQTRACE_H_
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#if defined(__cplusplus)
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extern "C" {
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#endif // __cplusplus
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//
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// This defines the entry written to the trace log.
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//
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typedef struct _FILTQ_TRACE_LOG_ENTRY
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{
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USHORT Action;
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USHORT Processor;
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PEPROCESS pProcess;
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PETHREAD pThread;
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PUX_FILTER_CONNECTION pConnection;
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PIRP pIrp;
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ULONG ReadIrps;
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ULONG Writers;
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PVOID pFileName;
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USHORT LineNumber;
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} FILTQ_TRACE_LOG_ENTRY, *PFILTQ_TRACE_LOG_ENTRY;
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//
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// Action codes.
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//
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// N.B. These codes must be contiguous, starting at zero. If you update
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// this list, you must also update the corresponding array in
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// ul\ulkd\filt.c.
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//
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#define FILTQ_ACTION_QUEUE_IRP 0
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#define FILTQ_ACTION_DEQUEUE_IRP 1
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#define FILTQ_ACTION_START_WRITE 2
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#define FILTQ_ACTION_FINISH_WRITE 3
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#define FILTQ_ACTION_BLOCK_WRITE 4
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#define FILTQ_ACTION_WAKE_WRITE 5
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#define FILTQ_ACTION_BLOCK_PARTIAL_WRITE 6
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#define FILTQ_ACTION_WAKE_PARTIAL_WRITE 7
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#define FILTQ_ACTION_COUNT 8
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#define FILTQ_TRACE_LOG_SIGNATURE ((LONG)'gLqF')
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//
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// Manipulators.
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//
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PTRACE_LOG
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CreateFiltqTraceLog(
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IN LONG LogSize,
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IN LONG ExtraBytesInHeader
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);
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VOID
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DestroyFiltqTraceLog(
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IN PTRACE_LOG pLog
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);
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VOID
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WriteFiltqTraceLog(
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IN PTRACE_LOG pLog,
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IN USHORT Action,
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IN PUX_FILTER_CONNECTION pConnection,
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IN PIRP pIrp,
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IN PVOID pFileName,
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IN USHORT LineNumber
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);
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#if ENABLE_FILTQ_TRACE
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#define CREATE_FILTQ_TRACE_LOG( ptr, size, extra ) \
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(ptr) = CreateFiltqTraceLog( (size), (extra) )
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#define DESTROY_FILTQ_TRACE_LOG( ptr ) \
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do \
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{ \
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DestroyFiltqTraceLog( ptr ); \
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(ptr) = NULL; \
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} while (FALSE)
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#define WRITE_FILTQ_TRACE_LOG( act, pcon, pirp ) \
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WriteFiltqTraceLog( \
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g_pFilterQueueTraceLog, \
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(act), \
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(pcon), \
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(pirp), \
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__FILE__, \
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__LINE__ \
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)
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#else // !ENABLE_FILTQ_TRACE
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#define CREATE_FILTQ_TRACE_LOG( ptr, size, extra )
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#define DESTROY_FILTQ_TRACE_LOG( ptr )
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#define WRITE_FILTQ_TRACE_LOG( act, pcon, pirp )
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#endif // ENABLE_FILTQ_TRACE
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#if defined(__cplusplus)
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} // extern "C"
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#endif // __cplusplus
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#endif // _FILTQTRACE_H_
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