timer.h

vitual serial port driver

#ifndef _LINUX_TIMER_H
#define _LINUX_TIMER_H

#include <ntddk.h>
#include <ndis.h>

#include <linux/types.h>

#define HZ          1000
#define jiffies     getTicks()

struct timer_list {
    unsigned long data;
    void (*function)(unsigned long);

    // Windows kernel specific
    NDIS_TIMER  ndisTimer;
};

extern VOID TimerWrapper(PVOID dummy1, PVOID context, PVOID dummy2, PVOID dummy3);

__inline unsigned long getTicks()
{
    LARGE_INTEGER   time;


    KeQuerySystemTime(&time);
    return (unsigned long)(time.QuadPart/10000);
}

__inline void init_timer(struct timer_list* timer)
{
    NdisInitializeTimer(&timer->ndisTimer, TimerWrapper, (PVOID)timer);
}

__inline int mod_timer(struct timer_list* timer, unsigned long expires)
{
    NdisSetTimer(&timer->ndisTimer, expires);
    return 0;
}

__inline int del_timer(struct timer_list* timer)
{
    BOOLEAN canceled;


    NdisCancelTimer(&timer->ndisTimer, &canceled);
    return 0;
}

__inline int timer_pending (const struct timer_list* timer)
{
    return TRUE;
}

#endif