123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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ntiolog.h
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Abstract:
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Constant definitions for the I/O error code log values.
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Author:
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Jeff Havens (jhavens) 21-Aug-1991
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Revision History:
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--*/
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#ifndef _NTIOLOG_
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#define _NTIOLOG_
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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//
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// For reference here only. Defined in io.h
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//
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#define IO_TYPE_ERROR_LOG 0x0000000b
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#define IO_TYPE_ERROR_MESSAGE 0x0000000c
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// begin_ntddk begin_wdm begin_nthal begin_ntndis
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//
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// Define I/O Driver error log packet structure. This structure is filled in
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// by the driver.
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//
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typedef struct _IO_ERROR_LOG_PACKET {
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UCHAR MajorFunctionCode;
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UCHAR RetryCount;
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USHORT DumpDataSize;
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USHORT NumberOfStrings;
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USHORT StringOffset;
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USHORT EventCategory;
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NTSTATUS ErrorCode;
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ULONG UniqueErrorValue;
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NTSTATUS FinalStatus;
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ULONG SequenceNumber;
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ULONG IoControlCode;
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LARGE_INTEGER DeviceOffset;
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ULONG DumpData[1];
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}IO_ERROR_LOG_PACKET, *PIO_ERROR_LOG_PACKET;
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//
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// Define the I/O error log message. This message is sent by the error log
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// thread over the lpc port.
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//
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typedef struct _IO_ERROR_LOG_MESSAGE {
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USHORT Type;
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USHORT Size;
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USHORT DriverNameLength;
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LARGE_INTEGER TimeStamp;
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ULONG DriverNameOffset;
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IO_ERROR_LOG_PACKET EntryData;
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}IO_ERROR_LOG_MESSAGE, *PIO_ERROR_LOG_MESSAGE;
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//
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// Define the maximum message size that will be sent over the LPC to the
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// application reading the error log entries.
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//
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//
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// Regardless of LPC size restrictions, ERROR_LOG_MAXIMUM_SIZE must remain
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// a value that can fit in a UCHAR.
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//
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#define ERROR_LOG_LIMIT_SIZE (256-16)
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//
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// This limit, exclusive of IO_ERROR_LOG_MESSAGE_HEADER_LENGTH, also applies
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// to IO_ERROR_LOG_MESSAGE_LENGTH
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//
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#define IO_ERROR_LOG_MESSAGE_HEADER_LENGTH (sizeof(IO_ERROR_LOG_MESSAGE) - \
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sizeof(IO_ERROR_LOG_PACKET) + \
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(sizeof(WCHAR) * 40))
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#define ERROR_LOG_MESSAGE_LIMIT_SIZE \
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(ERROR_LOG_LIMIT_SIZE + IO_ERROR_LOG_MESSAGE_HEADER_LENGTH)
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//
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// IO_ERROR_LOG_MESSAGE_LENGTH is
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// min(PORT_MAXIMUM_MESSAGE_LENGTH, ERROR_LOG_MESSAGE_LIMIT_SIZE)
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//
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#define IO_ERROR_LOG_MESSAGE_LENGTH \
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((PORT_MAXIMUM_MESSAGE_LENGTH > ERROR_LOG_MESSAGE_LIMIT_SIZE) ? \
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ERROR_LOG_MESSAGE_LIMIT_SIZE : \
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PORT_MAXIMUM_MESSAGE_LENGTH)
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//
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// Define the maximum packet size a driver can allocate.
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//
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#define ERROR_LOG_MAXIMUM_SIZE (IO_ERROR_LOG_MESSAGE_LENGTH - \
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IO_ERROR_LOG_MESSAGE_HEADER_LENGTH)
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// end_ntddk end_wdm end_nthal end_ntndis
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#ifdef __cplusplus
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}
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#endif
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#endif // _NTIOLOG_
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