ndissys.h File Reference

#include <ndis.h>
#include "debug.h"
#include "miniport.h"
#include "protocol.h"
#include "efilter.h"
#include "buffer.h"

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Macros
#define	EXPORT   NTAPI
#define	NDIS_VERSION   0x00050001
#define	NDIS_TAG   0x4e4d4953
#define	MIN(value1, value2)    ((value1 < value2)? value1 : value2)
#define	MAX(value1, value2)    ((value1 > value2)? value1 : value2)
#define	ExInterlockedRemoveEntryList(_List, _Lock)

Functions
VOID NTAPI	ExGetCurrentProcessorCounts (PULONG IdleTime, PULONG KernelAndUserTime, PULONG ProcessorNumber)
VOID NTAPI	ExGetCurrentProcessorCpuUsage (PULONG CpuUsage)

Macro Definition Documentation

ExInterlockedRemoveEntryList

#define ExInterlockedRemoveEntryList	(		_List,
			_Lock
	)

Value:

 { KIRQL OldIrql; \
   KeAcquireSpinLock(_Lock, &OldIrql); \
   RemoveEntryList(_List); \
   KeReleaseSpinLock(_Lock, OldIrql); \
 }

Definition at line 37 of file ndissys.h.

EXPORT

#define EXPORT   NTAPI

Definition at line 23 of file ndissys.h.

MAX

#define MAX	(		value1,
			value2
	)		((value1 > value2)? value1 : value2)

Definition at line 34 of file ndissys.h.

MIN

#define MIN	(		value1,
			value2
	)		((value1 < value2)? value1 : value2)

Definition at line 31 of file ndissys.h.

NDIS_TAG

#define NDIS_TAG   0x4e4d4953

Definition at line 29 of file ndissys.h.

NDIS_VERSION

#define NDIS_VERSION   0x00050001

Definition at line 27 of file ndissys.h.

Function Documentation

ExGetCurrentProcessorCounts()

VOID NTAPI ExGetCurrentProcessorCounts	(	PULONG	IdleTime,
		PULONG	KernelAndUserTime,
		PULONG	ProcessorNumber
	)

Definition at line 345 of file sysinfo.c.

{
    PKPRCB Prcb;
 
    Prcb = KeGetCurrentPrcb();
 
    *IdleTime = Prcb->IdleThread->KernelTime;
    *KernelAndUserTime = Prcb->KernelTime + Prcb->UserTime;
    *ProcessorNumber = (ULONG)Prcb->Number;
}

Referenced by NdisGetCurrentProcessorCounts().

ExGetCurrentProcessorCpuUsage()

VOID NTAPI ExGetCurrentProcessorCpuUsage

(

PULONG

CpuUsage

)

Definition at line 324 of file sysinfo.c.

{
    PKPRCB Prcb;
    ULONG TotalTime;
    ULONGLONG ScaledIdle;
 
    Prcb = KeGetCurrentPrcb();
 
    ScaledIdle = (ULONGLONG)Prcb->IdleThread->KernelTime * 100;
    TotalTime = Prcb->KernelTime + Prcb->UserTime;
    if (TotalTime != 0)
        *CpuUsage = (ULONG)(100 - (ScaledIdle / TotalTime));
    else
        *CpuUsage = 0;
}

Referenced by NdisGetCurrentProcessorCpuUsage().