Leaked source code of windows server 2003
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
ntiolog.h
Abstract:
Constant definitions for the I/O error code log values.
Author:
Jeff Havens (jhavens) 21-Aug-1991
Revision History:
--*/
#ifndef _NTIOLOG_
#define _NTIOLOG_
#if _MSC_VER > 1000
#pragma once
#endif
#ifdef __cplusplus
extern "C" {
#endif
//
// For reference here only. Defined in io.h
//
#define IO_TYPE_ERROR_LOG 0x0000000b
#define IO_TYPE_ERROR_MESSAGE 0x0000000c
// begin_ntddk begin_wdm begin_nthal begin_ntndis
//
// Define I/O Driver error log packet structure. This structure is filled in
// by the driver.
//
typedef struct _IO_ERROR_LOG_PACKET {
UCHAR MajorFunctionCode;
UCHAR RetryCount;
USHORT DumpDataSize;
USHORT NumberOfStrings;
USHORT StringOffset;
USHORT EventCategory;
NTSTATUS ErrorCode;
ULONG UniqueErrorValue;
NTSTATUS FinalStatus;
ULONG SequenceNumber;
ULONG IoControlCode;
LARGE_INTEGER DeviceOffset;
ULONG DumpData[1];
}IO_ERROR_LOG_PACKET, *PIO_ERROR_LOG_PACKET;
//
// Define the I/O error log message. This message is sent by the error log
// thread over the lpc port.
//
typedef struct _IO_ERROR_LOG_MESSAGE {
USHORT Type;
USHORT Size;
USHORT DriverNameLength;
LARGE_INTEGER TimeStamp;
ULONG DriverNameOffset;
IO_ERROR_LOG_PACKET EntryData;
}IO_ERROR_LOG_MESSAGE, *PIO_ERROR_LOG_MESSAGE;
//
// Define the maximum message size that will be sent over the LPC to the
// application reading the error log entries.
//
//
// Regardless of LPC size restrictions, ERROR_LOG_MAXIMUM_SIZE must remain
// a value that can fit in a UCHAR.
//
#define ERROR_LOG_LIMIT_SIZE (256-16)
//
// This limit, exclusive of IO_ERROR_LOG_MESSAGE_HEADER_LENGTH, also applies
// to IO_ERROR_LOG_MESSAGE_LENGTH
//
#define IO_ERROR_LOG_MESSAGE_HEADER_LENGTH (sizeof(IO_ERROR_LOG_MESSAGE) - \
sizeof(IO_ERROR_LOG_PACKET) + \
(sizeof(WCHAR) * 40))
#define ERROR_LOG_MESSAGE_LIMIT_SIZE \
(ERROR_LOG_LIMIT_SIZE + IO_ERROR_LOG_MESSAGE_HEADER_LENGTH)
//
// IO_ERROR_LOG_MESSAGE_LENGTH is
// min(PORT_MAXIMUM_MESSAGE_LENGTH, ERROR_LOG_MESSAGE_LIMIT_SIZE)
//
#define IO_ERROR_LOG_MESSAGE_LENGTH \
((PORT_MAXIMUM_MESSAGE_LENGTH > ERROR_LOG_MESSAGE_LIMIT_SIZE) ? \
ERROR_LOG_MESSAGE_LIMIT_SIZE : \
PORT_MAXIMUM_MESSAGE_LENGTH)
//
// Define the maximum packet size a driver can allocate.
//
#define ERROR_LOG_MAXIMUM_SIZE (IO_ERROR_LOG_MESSAGE_LENGTH - \
IO_ERROR_LOG_MESSAGE_HEADER_LENGTH)
// end_ntddk end_wdm end_nthal end_ntndis
#ifdef __cplusplus
}
#endif
#endif // _NTIOLOG_