149 lines
3 KiB
C
149 lines
3 KiB
C
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/*++
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Copyright (c) 1989 Microsoft Corporation
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Module Name:
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RxLog.h
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Abstract:
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This module declares the prototypes and global data used by the RDBSS debug logging facilities.
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Author:
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Joe Linn [JoeLinn] 1-aug-1994
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Revision History:
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Balan Sethu Raman [SethuR] 23-April-95 revised log layout
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Notes:
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The log records are stored in a circular buffer. Each record is bounded on either side by
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a record descriptor. This record descriptor is four bytes long.
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--*/
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#ifndef _RDBSSLOG_INCLUDED_
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#define _RDBSSLOG_INCLUDED_
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typedef enum {
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RX_LOG_UNINITIALIZED,
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RX_LOG_ENABLED,
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RX_LOG_DISABLED,
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RX_LOG_ERROR
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} RX_LOGGING_STATE;
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typedef struct RX_LOG_ENTRY_HEADER {
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PCHAR Buffer;
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} RX_LOG_ENTRY_HEADER, *PRX_LOG_ENTRY_HEADER;
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typedef struct RX_LOG {
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RX_SPIN_LOCK SpinLock;
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RX_LOGGING_STATE State;
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PRX_LOG_ENTRY_HEADER CurrentEntry;
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PRX_LOG_ENTRY_HEADER BaseEntry;
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PRX_LOG_ENTRY_HEADER EntryLimit;
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ULONG LogBufferSizeInEntries;
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ULONG NumberOfEntriesIgnored;
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ULONG NumberOfLogWriteAttempts;
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ULONG NumberOfLogWraps;
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} RX_LOG, *PRX_LOG;
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//the logging facilities are always present. what RDBSSLOG does is to enable generation
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//of the calls! on checked builds, you even get the calls unless NO_RDBSSLOG is set.
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//extern
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//VOID
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//RxLogInterlockedAddUlong(
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// PULONG Result,
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// PULONG Counter,
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// ULONG Addend);
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extern
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VOID
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RxDebugControlCommand (
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IN char *ControlString
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);
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extern
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NTSTATUS
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RxInitializeLog(void);
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extern
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VOID
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RxUninitializeLog(void);
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extern
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VOID
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_RxPrintLog(IN ULONG EntriesToPrint OPTIONAL);
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extern
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VOID
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_RxPauseLog(void);
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extern
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VOID
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_RxResumeLog (void);
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extern
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VOID
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_RxLog(char *format, ...);
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#define MAX_RX_LOG_ENTRY_SIZE (48)
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#define RDBSSLOG_ASYNC_NAME_PREFIX "[nowait]"
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#define RXCONTX_OPERATION_NAME(MajorFunction,Wait) \
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(RxContxOperationNames[(MajorFunction)]+((Wait)?(sizeof(RDBSSLOG_ASYNC_NAME_PREFIX)-1):0))
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extern PUCHAR RxContxOperationNames[];
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#ifdef RDBSSLOG
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//
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// The arguments to RxLog must be enclosed with an additional pair of parenthesis to enable
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// transalation into a null call when logging should be turned off.
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// e.g. RxLog(("%s %d", FILE, LINE))
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#if DBG
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#define RxLog(Args) _RxLog##Args
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#define RxLogRetail(Args) _RxLog##Args
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#else
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#define RxLogRetail(Args) _RxLog##Args
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#define RxLog(Args) {NOTHING;}
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#endif
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#define RxPauseLog() _RxPauseLog()
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#define RxResumeLog() _RxResumeLog()
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#else //if notdef RDBSSLOG
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#define RxLog(Args) {NOTHING;}
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#define RxLogRetail(Args) {NOTHING;}
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#define RxPauseLog() {NOTHING;}
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#define RxResumeLog() {NOTHING;}
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#endif
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#endif // _RDBSSLOG_INCLUDED_
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#if DBG
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#define RxDbgPrint(Args) DbgPrint##Args
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#else
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#define RxDbgPrint(Args) NOTHING
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#endif
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LIST_ENTRY RxIrpsList;
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KSPIN_LOCK RxIrpsListSpinLock;
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typedef struct _RX_IRP_LIST_ITEM {
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LIST_ENTRY IrpsList;
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PIRP pIrp;
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PMDL CopyDataBuffer;
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ULONG Completed;
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} RX_IRP_LIST_ITEM, *PRX_IRP_LIST_ITEM;
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