Leaked source code of windows server 2003
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title "Global SpinLock declerations";++;;Copyright (c) 2000 Microsoft Corporation;; Module Name:;; hifreqlk.asm;; Abstract:;; High frequency system spin locks are declared in this module. Each spin; lock is placed in its own cache line on MP systems.;; Author:;; David N. Cutler (davec) 22-Jun-2000;;Revision History:;;--
include ksamd64.inc
ifdef NT_UP
ALIGN_VALUE equ 16
else
ALIGN_VALUE equ 128
endif
;; Define spin lock generation macro.;
SPINLOCK macro SpinLockName
align ALIGN_VALUE
public SpinLockNameSpinLockName dq 0
endm
;; Define variable generation macro.;
ULONG64 macro VariableName
align ALIGN_VALUE
public VariableNameVariableName dq 0
endm
_DATA$00 SEGMENT PAGE 'DATA'
;; The Initial PCR must be the first allocation in the section so it will be; page aligned.;
public KiInitialPCRKiInitialPCR db ProcessorControlRegisterLength dup (0)
;; Static SpinLocks from ntos\cc;
SPINLOCK CcMasterSpinLockSPINLOCK CcWorkQueueSpinLockSPINLOCK CcVacbSpinLockSPINLOCK CcDeferredWriteSpinLockSPINLOCK CcDebugTraceLockSPINLOCK CcBcbSpinLock
;; Static SpinLocks from ntos\ex;
SPINLOCK NonPagedPoolLockSPINLOCK ExpResourceSpinLock
;; Static SpinLocks from ntos\io;
SPINLOCK IopCompletionLockSPINLOCK IopCancelSpinLockSPINLOCK IopVpbSpinLockSPINLOCK IopDatabaseLockSPINLOCK IopErrorLogLockSPINLOCK IopTimerLockSPINLOCK IoStatisticsLock
;; Static SpinLocks from ntos\kd;
SPINLOCK KdpDebuggerLock
;; Static SpinLocks from ntos\ke;
SPINLOCK KiDispatcherLockSPINLOCK KiFreezeExecutionLockSPINLOCK KiFreezeLockBackupSPINLOCK KiNMILockSPINLOCK KiProfileLockULONG64 KiHardwareTrigger
;; Static SpinLocks from ntos\mm;
SPINLOCK MmPfnLockSPINLOCK MmSystemSpaceLockSPINLOCK MmNonPagedPoolLock
;; Static SpinLocks from ntos\ps;
SPINLOCK PspEventPairLockSPINLOCK PsLoadedModuleSpinLock
;; Static SpinLocks from ntos\fsrtl;
SPINLOCK FsRtlStrucSupSpinLock
;; Static SpinLocks from base\fs\ntfs;
SPINLOCK NtfsStructLock
;; Static SpinLocks from net\sockets\winsock2\wsp;
SPINLOCK AfdWorkQueueSpinLock
;; These variables are referenced together and are defined in a single cache; line to reduce sharing on MP systems.;; KiIdleSummary - This is the set of processors which are idle. It is; used by the ready thread code to speed up the search for a thread; to preempt when a thread becomes runnable.;
align ALIGN_VALUE
public KiIdleSummaryKiIdleSummary dq 0
;; PoSleepingSummary - Set of processors which currently sleep (ie stop); when idle.;
public PoSleepingSummaryPoSleepingSummary dq 0
;; KiTbFlushTimeStamp - This is the TB flush entire time stamp counter.;; This variable is in it own cache line to reduce false sharing on MP systems.;
align ALIGN_VALUE
public KiTbFlushTimeStampKiTbFlushTimeStamp dd 0
;; These variables are referenced together and are defined in a single cache; line to reduce sharing on MP systems.;; KiTimeIncrementReciprocal - This is the reciprocal fraction of the time; increment value that is specified by the HAL when the system is; booted.;
align ALIGN_VALUE
public KiTimeIncrementReciprocalKiTimeIncrementReciprocal dq 0
;; KiTimeIncrementShiftCount - This is the shift count that corresponds to; the time increment reciprocal value.;
public KiTimeIncrementShiftCountKiTimeIncrementShiftCount dd 0
;; KeMaximumIncrement - This is the maximum time between clock interrupts; in 100ns units that is supported by the host HAL.;
public KeMaximumIncrementKeMaximumIncrement dd 0
;; KeTimeAdjustment - This is the actual number of 100ns units that are to; be added to the system time at each interval timer interupt. This; value is copied from KeTimeIncrement at system start up and can be; later modified via the set system information service.; timer table entries.;
public KeTimeAdjustmentKeTimeAdjustment dd 0
;; KiTickOffset - This is the number of 100ns units remaining before a tick; is added to the tick count and the system time is updated.;
public KiTickOffsetKiTickOffset dd 0
;; These variables are referenced together and are defined in a single cache; line to reduce sharing on MP systems.;; KiMaximumDpcQueueDepth - This is used to control how many DPCs can be; queued before a DPC of medium importance will trigger a dispatch; interrupt.;
align ALIGN_VALUE
public KiMaximumDpcQueueDepthKiMaximumDpcQueueDepth dd 4
;; KiMinimumDpcRate - This is the rate of DPC requests per clock tick that; must be exceeded before DPC batching of medium importance DPCs; will occur.;
public KiMinimumDpcRateKiMinimumDpcRate dd 3
;; KiAdjustDpcThreshold - This is the threshold used by the clock interrupt; routine to control the rate at which the processor's DPC queue depth; is dynamically adjusted.;
public KiAdjustDpcThresholdKiAdjustDpcThreshold dd 20
;; KiIdealDpcRate - This is used to control the aggressiveness of the DPC; rate adjusting algorithm when decrementing the queue depth. As long; as the DPC rate for the last tick is greater than this rate, the; DPC queue depth will not be decremented.;
public KiIdealDpcRateKiIdealDpcRate dd 20
;; MmPaeMask - This is the value used to mask upper bits of a PAE PTE.;; This variable is in it own cache line to reduce false sharing on MP systems.;
align ALIGN_VALUE
public MmPaeMaskMmPaeMask dq 0
public MmPaeErrMaskMmPaeErrMask dd 0
;; MmPfnDereferenceSListHead - This is used to store free blocks used for; deferred PFN reference count releasing.;; This variable is in it own cache line to reduce false sharing on MP systems.;
align ALIGN_VALUE
public MmPfnDereferenceSListHeadMmPfnDereferenceSListHead dq 2 dup (0)
;; MmPfnDeferredList - This is used to queue items that need reference count; decrement processing.;; This variable is in it own cache line to reduce false sharing on MP systems.;
align ALIGN_VALUE
public MmPfnDeferredListMmPfnDeferredList dq 0
;; MmSystemLockPagesCount - This is the count of the number of locked pages; in the system.;
align ALIGN_VALUE
public MmSystemLockPagesCountMmSystemLockPagesCount dq 0
align ALIGN_VALUE
_DATA$00 ends
end
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