121 lines
4 KiB
C
121 lines
4 KiB
C
/*++ BUILD Version: 0000 // Increment this if a change has global effects
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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procpowr.h
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Abstract:
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This module contains the public (external) header file for the processor
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power states required by the PRCB.
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Author:
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Stephane Plante (splante) 17-Oct-2000
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Revision History:
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--*/
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#ifndef _PROCPOWR_H_
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#define _PROCPOWR_H_
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//
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// Power structure in each processors PRCB
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//
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struct _PROCESSOR_POWER_STATE; // forward ref
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typedef
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VOID
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(FASTCALL *PPROCESSOR_IDLE_FUNCTION) (
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struct _PROCESSOR_POWER_STATE *PState
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);
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//
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// Note: this data structure must contain a number of ULONG such that the
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// next structure in the PRCB is aligned on an 16 byte boundary. Currently,
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// this means that this structure must have a size that ends on the odd
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// eight-byte boundary. In other words, the size of this structure must
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// end in 0x8...
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//
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typedef struct _PROCESSOR_POWER_STATE {
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PPROCESSOR_IDLE_FUNCTION IdleFunction;
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ULONG Idle0KernelTimeLimit;
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ULONG Idle0LastTime;
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PVOID IdleHandlers;
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PVOID IdleState;
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ULONG IdleHandlersCount;
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ULONGLONG LastCheck;
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PROCESSOR_IDLE_TIMES IdleTimes;
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ULONG IdleTime1;
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ULONG PromotionCheck;
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ULONG IdleTime2;
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UCHAR CurrentThrottle; // current throttle setting
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UCHAR ThermalThrottleLimit; // max available throttle setting
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UCHAR CurrentThrottleIndex;
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UCHAR ThermalThrottleIndex;
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ULONG PerfSystemTime;
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ULONG PerfIdleTime;
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// temp for debugging
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ULONGLONG DebugDelta;
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ULONG DebugCount;
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ULONG LastSysTime;
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ULONGLONG TotalIdleStateTime[3];
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ULONG TotalIdleTransitions[3];
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ULONGLONG PreviousC3StateTime;
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UCHAR KneeThrottleIndex;
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UCHAR ThrottleLimitIndex;
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UCHAR PerfStatesCount;
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UCHAR ProcessorMinThrottle;
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UCHAR ProcessorMaxThrottle;
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UCHAR LastBusyPercentage;
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UCHAR LastC3Percentage;
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UCHAR LastAdjustedBusyPercentage;
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ULONG PromotionCount;
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ULONG DemotionCount;
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ULONG ErrorCount;
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ULONG RetryCount;
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ULONG Flags;
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LARGE_INTEGER PerfCounterFrequency;
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ULONG PerfTickCount;
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KTIMER PerfTimer;
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KDPC PerfDpc;
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PPROCESSOR_PERF_STATE PerfStates;
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PSET_PROCESSOR_THROTTLE2 PerfSetThrottle;
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ULONG Spare1[2];
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} PROCESSOR_POWER_STATE, *PPROCESSOR_POWER_STATE;
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//
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// Processor Power State Flags
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//
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#define PSTATE_SUPPORTS_THROTTLE 0x01
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#define PSTATE_ADAPTIVE_THROTTLE 0x02
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#define PSTATE_DEGRADED_THROTTLE 0x04
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#define PSTATE_CONSTANT_THROTTLE 0x08
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#define PSTATE_NOT_INITIALIZED 0x10
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#define PSTATE_DISABLE_THROTTLE_NTAPI 0x20
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#define PSTATE_DISABLE_THROTTLE_INRUSH 0x40
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//
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// Useful masks
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//
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#define PSTATE_THROTTLE_MASK (PSTATE_ADAPTIVE_THROTTLE | \
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PSTATE_DEGRADED_THROTTLE | \
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PSTATE_CONSTANT_THROTTLE)
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#define PSTATE_CLEAR_MASK (PSTATE_SUPPORTS_THROTTLE | \
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PSTATE_THROTTLE_MASK)
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#define PSTATE_DISABLE_THROTTLE (PSTATE_DISABLE_THROTTLE_NTAPI | \
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PSTATE_DISABLE_THROTTLE_INRUSH)
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#endif // _PROCPOWR_H_
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