125 lines
3 KiB
C
125 lines
3 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 2000 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
wd.h
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
This is the NT Watchdog driver implementation.
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Michael Maciesowicz (mmacie) 05-May-2000
|
||
|
|
|
||
|
|
Environment:
|
||
|
|
|
||
|
|
Kernel mode only.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#ifndef _WD_H_
|
||
|
|
#define _WD_H_
|
||
|
|
|
||
|
|
#include "ntddk.h"
|
||
|
|
#include "watchdog.h"
|
||
|
|
|
||
|
|
#define WD_MAX_WAIT ((LONG)((ULONG)(-1) / 4))
|
||
|
|
#define WD_KEY_WATCHDOG L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Watchdog"
|
||
|
|
#define WD_KEY_WATCHDOG_DISPLAY L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Watchdog\\Display"
|
||
|
|
#define WD_KEY_RELIABILITY L"\\Registry\\Machine\\Software\\Microsoft\\Windows\\CurrentVersion\\Reliability"
|
||
|
|
#define WD_TAG 'godW' // Wdog
|
||
|
|
#define WD_MAX_PROPERTY_SIZE 4096
|
||
|
|
|
||
|
|
//
|
||
|
|
// Define default configuration values - these can be overwriten via registry
|
||
|
|
// in RTL_REGISTRY_CONTROL\Watchdog\DeviceClass key.
|
||
|
|
//
|
||
|
|
|
||
|
|
#define WD_DEFAULT_TRAP_ONCE 0
|
||
|
|
#define WD_DEFAULT_DISABLE_BUGCHECK 0
|
||
|
|
#define WD_DEFAULT_BREAK_POINT_DELAY 0
|
||
|
|
|
||
|
|
#if DBG
|
||
|
|
|
||
|
|
#define WD_DBG_SUSPENDED_WARNING(pWd, szRoutine) \
|
||
|
|
{ \
|
||
|
|
if ((pWd)->SuspendCount) \
|
||
|
|
{ \
|
||
|
|
DbgPrint("watchdog!%s: WARNING! Called while suspended!\n", (szRoutine)); \
|
||
|
|
DbgPrint("watchdog!%s: Watchdog %p\n", (szRoutine), (pWd)); \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define WD_DBG_SUSPENDED_WARNING(pWd, szRoutine) NULL
|
||
|
|
|
||
|
|
#endif // DBG
|
||
|
|
|
||
|
|
#define ASSERT_WATCHDOG_OBJECT(pWd) \
|
||
|
|
ASSERT((NULL != (pWd)) && \
|
||
|
|
(WdStandardWatchdog == ((PWATCHDOG_OBJECT)(pWd))->ObjectType) || \
|
||
|
|
(WdDeferredWatchdog == ((PWATCHDOG_OBJECT)(pWd))->ObjectType))
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
DriverEntry(
|
||
|
|
IN PDRIVER_OBJECT pDriverObject,
|
||
|
|
IN PUNICODE_STRING wszRegistryPath
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
WdDeferredWatchdogDpcCallback(
|
||
|
|
IN PKDPC pDpc,
|
||
|
|
IN PVOID pDeferredContext,
|
||
|
|
IN PVOID pSystemArgument1,
|
||
|
|
IN PVOID pSystemArgument2
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
WdFlushRegistryKey(
|
||
|
|
IN PVOID pWatch,
|
||
|
|
IN PCWSTR pwszKeyName
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
WdInitializeObject(
|
||
|
|
IN PVOID pWatch,
|
||
|
|
IN PDEVICE_OBJECT pDeviceObject,
|
||
|
|
IN WD_OBJECT_TYPE objectType,
|
||
|
|
IN WD_TIME_TYPE timeType,
|
||
|
|
IN ULONG ulTag
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
WdRemoveObject(
|
||
|
|
IN PVOID pWatch
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
WdWatchdogDpcCallback(
|
||
|
|
IN PKDPC pDpc,
|
||
|
|
IN PVOID pDeferredContext,
|
||
|
|
IN PVOID pSystemArgument1,
|
||
|
|
IN PVOID pSystemArgument2
|
||
|
|
);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Internal ntos API (this is declared in ntifs.h but it's hard to include it here).
|
||
|
|
//
|
||
|
|
// TODO: Fix it later.
|
||
|
|
//
|
||
|
|
|
||
|
|
PDEVICE_OBJECT
|
||
|
|
IoGetDeviceAttachmentBaseRef(
|
||
|
|
IN PDEVICE_OBJECT pDeviceObject
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif // _WD_H_
|