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#ifndef KERN_IRQ_H_
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#ifndef KERN_IRQ_H_
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#define KERN_IRQ_H_
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#define KERN_IRQ_H_
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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <adt/list.h>
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#include <adt/list.h>
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#include <ipc/ipc.h>
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#include <ipc/irq.h>
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#include <ipc/irq.h>
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#include <atomic.h>
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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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typedef enum {
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typedef enum {
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    IRQ_DECLINE,        /**< Decline to service. */
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    IRQ_DECLINE,        /**< Decline to service. */
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    IRQ_ACCEPT      /**< Accept to service. */
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    IRQ_ACCEPT      /**< Accept to service. */
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typedef enum {
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typedef enum {
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    IRQ_TRIGGER_LEVEL = 1,
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    IRQ_TRIGGER_LEVEL = 1,
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    IRQ_TRIGGER_EDGE
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    IRQ_TRIGGER_EDGE
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} irq_trigger_t;
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} irq_trigger_t;
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typedef struct irq irq_t;
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typedef void (* irq_handler_t)(irq_t *irq, void *arg, ...);
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typedef void (* irq_handler_t)(irq_t *irq, void *arg, ...);
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/** Structure representing one device IRQ.
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/** Structure representing one device IRQ.
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 *
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 *
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 * If one device has multiple interrupts, there will
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 * If one device has multiple interrupts, there will
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    /** Handler for this IRQ and device. */
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    /** Handler for this IRQ and device. */
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    irq_handler_t handler;
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    irq_handler_t handler;
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    /** Argument for the handler. */
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    /** Argument for the handler. */
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    void *arg;
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    void *arg;
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    /** Answerbox of the task that wanted to be notified. */
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    answerbox_t *notif_answerbox;
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    /** Pseudo-code to be performed by the top-half
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     *  before a notification is sent. */
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    /** Notification configuration structure. */
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    irq_code_t *code;
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    /** Method of the notification. */
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    ipc_notif_cfg_t notif_cfg;
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    unative_t method;
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    /** Counter of IRQ notifications. */
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    atomic_t counter;
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};
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};
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extern void irq_init(count_t inrs, count_t chains);
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extern void irq_init(count_t inrs, count_t chains);
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extern void irq_initialize(irq_t *irq);
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extern void irq_initialize(irq_t *irq);
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extern void irq_register(irq_t *irq);
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extern void irq_register(irq_t *irq);