irq.h File Reference

#include <sys/queue.h>

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Data Structures
struct	IRQHandler

Typedefs
typedef struct IRQHandler	IRQHandler

Functions
void	IRQ_Init ()
void	IRQ_Handler (int irq)
void	IRQ_Register (int irq, struct IRQHandler *h)
void	IRQ_Unregister (int irq, struct IRQHandler *h)

Typedef Documentation

IRQHandler

typedef struct IRQHandler IRQHandler

Function Documentation

IRQ_Handler()

void IRQ_Handler

(

int

irq

)

Definition at line 25 of file irq.c.

{
    struct IRQHandler *h;
    LIST_FOREACH(h, &handlers[irq], link)
    {
        h->cb(h->arg);
    }
}

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IRQ_Init()

void IRQ_Init

(

)

Definition at line 14 of file irq.c.

{
    int i;
 
    for (i = 0; i < T_IRQ_LEN; i++)
    {
        LIST_INIT(&handlers[i]);
    }
}

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IRQ_Register()

void IRQ_Register	(	int	irq,
		struct IRQHandler *	h
	)

Definition at line 35 of file irq.c.

{
    ASSERT(irq < T_IRQ_LEN);
 
    LIST_INSERT_HEAD(&handlers[irq], h, link);
 
    IOAPIC_Enable(irq);
}

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IRQ_Unregister()

void IRQ_Unregister	(	int	irq,
		struct IRQHandler *	h
	)

Definition at line 45 of file irq.c.

{
    LIST_REMOVE(h, link);
 
    if (LIST_EMPTY(&handlers[irq]))
        IOAPIC_Disable(irq);
}

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