135 lines
3 KiB
C
135 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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RxData.h
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Abstract:
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This module declares the global data used by the RDBSS file system.
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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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--*/
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#ifndef _RDBSSDATA_
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#define _RDBSSDATA_
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//
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extern RX_DISPATCHER RxDispatcher;
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extern RX_WORK_QUEUE_DISPATCHER RxDispatcherWorkQueues;
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//this constants are the same as the versions in ntexapi.h
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// but drivers are not supposed to import that!
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#define RX_PROCESSOR_ARCHITECTURE_INTEL 0
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#define RX_PROCESSOR_ARCHITECTURE_MIPS 1
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#define RX_PROCESSOR_ARCHITECTURE_ALPHA 2
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#define RX_PROCESSOR_ARCHITECTURE_PPC 3
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#define RX_PROCESSOR_ARCHITECTURE_UNKNOWN 0xffff
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// RX_CONTEXT serialization
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extern KMUTEX RxSerializationMutex;
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#define RxAcquireSerializationMutex() \
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KeWaitForSingleObject(&RxSerializationMutex,Executive,KernelMode,FALSE,NULL)
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#define RxReleaseSerializationMutex() \
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KeReleaseMutex(&RxSerializationMutex,FALSE)
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//
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// The global fsd data record, and global large integer constants
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//
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extern ULONG RxElapsedSecondsSinceStart;
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extern NTSTATUS RxStubStatus;
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extern PRDBSS_DEVICE_OBJECT RxFileSystemDeviceObject;
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extern LARGE_INTEGER RxLargeZero;
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extern LARGE_INTEGER RxMaxLarge;
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extern LARGE_INTEGER Rx30Milliseconds;
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extern LARGE_INTEGER RxOneSecond;
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extern LARGE_INTEGER RxOneDay;
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extern LARGE_INTEGER RxJanOne1980;
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extern LARGE_INTEGER RxDecThirtyOne1979;
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//
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// The status actually returned by the FsdDispatchStub.....usually not implemented
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//
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extern NTSTATUS RxStubStatus;
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//
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// The FCB for opens that refer to the device object directly or
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// for file objects that reference nonFcbs (like treecons)
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//
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extern FCB RxDeviceFCB;
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#if 0
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//
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// Define maximum number of parallel Reads or Writes that will be generated
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// per one request.
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//
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#define RDBSS_MAX_IO_RUNS_ON_STACK ((ULONG) 5)
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//
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// Define the maximum number of delayed closes.
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//
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#define RDBSS_MAX_DELAYED_CLOSES ((ULONG)16)
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extern ULONG RxMaxDelayedCloseCount;
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#endif //0
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#if DBG
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//
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// The following variables are used to keep track of the total amount
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// of requests processed by the file system, and the number of requests
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// that end up being processed by the Fsp thread. The first variable
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// is incremented whenever an Irp context is created (which is always
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// at the start of an Fsd entry point) and the second is incremented
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// by read request.
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//
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extern ULONG RxFsdEntryCount;
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//extern ULONG RxFspEntryCount;
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//extern ULONG RxIoCallDriverCount;
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//extern ULONG RxTotalTicks[];
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extern ULONG RxIrpCodeCount[];
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#endif
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// The list of active RxContexts being processed by the RDBSS
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extern LIST_ENTRY RxSrvCalldownList;
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extern LIST_ENTRY RxActiveContexts;
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extern LONG RxNumberOfActiveFcbs;
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extern UNICODE_STRING s_PipeShareName;
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extern UNICODE_STRING s_MailSlotShareName;
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extern UNICODE_STRING s_MailSlotServerPrefix;
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extern UNICODE_STRING s_IpcShareName;
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extern UNICODE_STRING s_PrimaryDomainName;
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#endif // _RDBSSDATA_
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