windows-nt/Source/XPSP1/NT/base/fs/srv/srvconfg.h
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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
srvconfg.h
Abstract:
This module defines global configuration data for the LAN Manager
server.
Author:
Chuck Lenzmeier (chuckl) 31-Dec-1989
Revision History:
--*/
#ifndef _SRVCONFG_
#define _SRVCONFG_
//#include <ntos.h>
//#include "srvconst.h"
//
// All global variables referenced in this module are defined in
// srvconfg.c. See that module for complete descriptions.
//
// The variables referenced herein, because they are part of the driver
// image, are not pageable.
//
//
// Product type and server size.
//
extern BOOLEAN SrvProductTypeServer; // FALSE for Workstation, TRUE for Server
extern ULONG SrvServerSize;
//
// Server "heuristics", enabling various capabilities.
//
extern BOOLEAN SrvEnableOplocks;
extern BOOLEAN SrvEnableFcbOpens;
extern BOOLEAN SrvEnableSoftCompatibility;
extern BOOLEAN SrvEnableRawMode;
//
// Receive buffer size, receive work item count, and receive IRP stack
// size.
//
extern CLONG SrvReceiveBufferLength;
extern CLONG SrvReceiveBufferSize;
extern CLONG SrvInitialReceiveWorkItemCount;
extern CLONG SrvMaxReceiveWorkItemCount;
extern CLONG SrvInitialRawModeWorkItemCount;
extern CLONG SrvMaxRawModeWorkItemCount;
extern CCHAR SrvReceiveIrpStackSize;
extern CLONG SrvReceiveIrpSize;
extern CLONG SrvReceiveMdlSize;
extern CLONG SrvMaxMdlSize;
//
// Minimum negotiated buffer size we'll allow from a client
//
extern CLONG SrvMinClientBufferSize;
//
// Minimum and maximum number of free connections for an endpoint. When
// the minimum is reached, the resource thread creates more. When the
// maximum is reached, connections are closed as they are disconnected.
//
extern ULONG SrvFreeConnectionMinimum;
extern ULONG SrvFreeConnectionMaximum;
//
// Initial and maximum table sizes.
//
extern USHORT SrvInitialSessionTableSize;
extern USHORT SrvMaxSessionTableSize;
extern USHORT SrvInitialTreeTableSize;
extern USHORT SrvMaxTreeTableSize;
extern USHORT SrvInitialFileTableSize;
extern USHORT SrvMaxFileTableSize;
extern USHORT SrvInitialSearchTableSize;
extern USHORT SrvMaxSearchTableSize;
//
// Core search timeouts. The first is for active core searches, the second
// is for core searches where we have returned STATUS_NO_MORE_FILES. The
// second should be shorter, as these are presumably complete.
//
extern LARGE_INTEGER SrvSearchMaxTimeout;
//
// Should we remove duplicate searches?
//
extern BOOLEAN SrvRemoveDuplicateSearches;
//
// restrict null session access ?
//
extern BOOLEAN SrvRestrictNullSessionAccess;
//
// This flag is needed to enable old (snowball) clients to connect to the
// server over direct hosted ipx. It is disabled by default because
// snowball ipx clients don't do pipes correctly.
//
extern BOOLEAN SrvEnableWfW311DirectIpx;
//
// The maximum number of threads allowed on each work queue. The
// server tries to minimize the number of threads -- this value is
// just to keep the threads from getting out of control.
//
// Since the blocking work queue is not per-processor, the max thread
// count for the blocking work queue is the following value times the
// number of processors in the system.
//
extern ULONG SrvMaxThreadsPerQueue;
//
// Load balancing variables
//
extern ULONG SrvPreferredAffinity;
extern ULONG SrvOtherQueueAffinity;
extern ULONG SrvBalanceCount;
extern LARGE_INTEGER SrvQueueCalc;
//
// Scavenger thread idle wait time.
//
extern LARGE_INTEGER SrvScavengerTimeout;
extern ULONG SrvScavengerTimeoutInSeconds;
//
// Various information variables for the server.
//
extern USHORT SrvMaxMpxCount;
//
// This is supposed to indicate how many virtual connections are allowed
// between this server and client machines. It should always be set to
// one, though more VCs can be established. This duplicates the LM 2.0
// server's behavior.
//
extern CLONG SrvMaxNumberVcs;
//
// Receive work item thresholds
//
//
// The minimum desirable number of free receive work items.
//
extern CLONG SrvMinReceiveQueueLength;
//
// The number of freed RFCBs that we keep internally, per processor
//
extern CLONG SrvMaxFreeRfcbs;
//
// The number of freed MFCBs that we keep internally, per processor
//
extern CLONG SrvMaxFreeMfcbs;
//
// Enforced maximum size of a saved pool chunk per processor
//
extern CLONG SrvMaxPagedPoolChunkSize;
//
// Enforced maximum size of a saved non paged pool chunk per processor
//
extern CLONG SrvMaxNonPagedPoolChunkSize;
//
// The minimum number of free receive work items available before
// the server will start processing a potentially blocking SMB.
//
extern CLONG SrvMinFreeWorkItemsBlockingIo;
//
// The number of cached directory names per connection
//
extern CLONG SrvMaxCachedDirectory;
//
// Size of the shared memory section used for communication between the
// server and XACTSRV.
//
extern LARGE_INTEGER SrvXsSectionSize;
//
// The time sessions may be idle before they are automatically
// disconnected. The scavenger thread does the disconnecting.
//
extern LARGE_INTEGER SrvAutodisconnectTimeout;
extern ULONG SrvIpxAutodisconnectTimeout;
//
// The time a connection structure can hang around without any sessions
//
extern ULONG SrvConnectionNoSessionsTimeout;
//
// The maximum number of users the server will permit.
//
extern ULONG SrvMaxUsers;
//
// Priority of server worker and blocking threads.
//
extern KPRIORITY SrvThreadPriority;
//
// The time to wait before timing out a wait for oplock break.
//
extern LARGE_INTEGER SrvWaitForOplockBreakTime;
//
// The time to wait before timing out a an oplock break request.
//
extern LARGE_INTEGER SrvWaitForOplockBreakRequestTime;
//
// This BOOLEAN determines whether files with oplocks that have had
// an oplock break outstanding for longer than SrvWaitForOplockBreakTime
// should be closed or if the subsequest opens should fail.
//
extern BOOLEAN SrvEnableOplockForceClose;
//
// Overall limits on server memory usage.
//
extern ULONG SrvMaxPagedPoolUsage;
extern ULONG SrvMaxNonPagedPoolUsage;
//
// This BOOLEAN indicates whether the forced logoff code in the scavenger
// thread should actually disconnect a user that remains on beyond
// his logon hours, or just send messages coaxing them to log off.
//
extern BOOLEAN SrvEnableForcedLogoff;
//
// The delay and throughput thresholds used to determine if a link
// is unreliable. The delay is in 100ns. The Throughput is in bytes/s
// SrvLinkInfoValidTime is the time within which the link info is still
// considered valid.
//
extern LARGE_INTEGER SrvMaxLinkDelay;
extern LARGE_INTEGER SrvMinLinkThroughput;
extern LARGE_INTEGER SrvLinkInfoValidTime;
extern LONG SrvScavengerUpdateQosCount;
//
// Used to determine how long a work context block can stay idle
// before being freed.
//
extern ULONG SrvWorkItemMaxIdleTime;
//
// Alert information
//
extern LARGE_INTEGER SrvAlertSchedule;
extern ULONG SrvAlertMinutes;
extern ULONG SrvFreeDiskSpaceThreshold;
extern ULONG SrvFreeDiskSpaceCeiling;
extern ULONG SrvDiskConfiguration;
//
// List of pipes and shares that can be opened by the NULL session.
//
extern PWSTR *SrvNullSessionPipes;
extern PWSTR *SrvNullSessionShares;
#if SRVNTVERCHK
//
// List of domain names that we disallow
//
extern PWSTR *SrvInvalidDomainNames;
#endif
//
// List of pipes that are not remapped, even when we are in a cluster environment
//
extern PWSTR *SrvNoRemapPipeNames;
//
// List of error codes that we do not log to the error log
//
extern NTSTATUS SrvErrorLogIgnore[ SRVMAXERRLOGIGNORE + 1 ];
//
// List of pipes that require a license from the license server
//
extern PWSTR *SrvPipesNeedLicense;
//
// Interval at which SMB statistics are calculated.
//
#define STATISTICS_SMB_INTERVAL 16
//
// Interval at which each thread determines the current system time
//
#define TIME_SMB_INTERVAL 16
//
// Delay and number of retries for opens returning sharing violation
//
extern ULONG SrvSharingViolationRetryCount;
extern LARGE_INTEGER SrvSharingViolationDelay;
//
// Delay for lock requests returning lock violation
//
extern ULONG SrvLockViolationDelay;
extern LARGE_INTEGER SrvLockViolationDelayRelative;
extern ULONG SrvLockViolationOffset;
//
// Upper limit for searches.
//
extern ULONG SrvMaxOpenSearches;
//
// length to switchover to mdl read
//
extern ULONG SrvMdlReadSwitchover;
extern ULONG SrvMpxMdlReadSwitchover;
//
// maximum length of buffers to copy, rather than take the whole buffer.
// currently this is only enabled for WRITE_MPX on direct host IPX.
//
extern ULONG SrvMaxCopyLength;
//
// Globally unique id identifying this server
//
extern
GUID ServerGuid;
//
// Number of open files that can be cached after close.
//
extern ULONG SrvCachedOpenLimit;
//
// Does the server support compressed read/write transfers?
//
extern BOOLEAN SrvSupportsCompression;
//
// *** Change the following defines to limit WinNT (vs. NTAS) parameters.
//
// *** If you make a change here, you need to make the same change in
// srvsvc\server\srvconfg.h!
#define MAX_USERS_WKSTA 10
#define MAX_MAXWORKITEMS_WKSTA 64
#define MAX_THREADS_WKSTA 5
#define MAX_USERS_PERSONAL 5
#define MAX_USERS_WEB_BLADE 10
#endif // def _SRVCONFG_