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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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typedef enum {
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typedef enum {
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    CMD_MEM_READ_1 = 0,
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    CMD_PIO_READ_8 = 1,
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    CMD_MEM_READ_2,
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    CMD_MEM_READ_4,
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    CMD_PIO_READ_16,
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    CMD_MEM_READ_8,
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    CMD_PIO_READ_32,
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    CMD_MEM_WRITE_1,
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    CMD_MEM_WRITE_2,
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    CMD_PIO_WRITE_8,
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    CMD_MEM_WRITE_4,
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    CMD_PIO_WRITE_16,
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    CMD_MEM_WRITE_8,
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    CMD_PIO_WRITE_32,
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    CMD_PORT_READ_1,
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    CMD_BTEST,
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    CMD_PORT_WRITE_1,
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    CMD_PREDICATE,
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    CMD_IA64_GETCHAR,
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    CMD_ACCEPT,
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    CMD_PPC32_GETCHAR,
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    CMD_DECLINE,
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    CMD_LAST
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    CMD_LAST
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} irq_cmd_type;
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} irq_cmd_type;
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typedef struct {
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typedef struct {
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    irq_cmd_type cmd;
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    irq_cmd_type cmd;
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    void *addr;
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    void *addr;
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    unsigned long long value;
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    unsigned long long value;
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    unsigned int srcarg;
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    int dstarg;
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    unsigned int dstarg;
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} irq_cmd_t;
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} irq_cmd_t;
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typedef struct {
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typedef struct {
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    unsigned int cmdcount;
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    unsigned int cmdcount;
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    irq_cmd_t *cmds;
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    irq_cmd_t *cmds;
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#ifdef KERNEL
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#ifdef KERNEL
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#include <arch/types.h>
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#include <arch/types.h>
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#include <adt/list.h>
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#include <adt/list.h>
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#include <adt/hash_table.h>
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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <proc/task.h>
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#include <proc/task.h>
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#include <ipc/ipc.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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} irq_ownership_t;
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} irq_ownership_t;
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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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struct irq;
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struct irq;
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typedef void (* irq_handler_t)(struct irq *irq, void *arg, ...);
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typedef void (* irq_handler_t)(struct irq *);
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/** Type for function used to clear the interrupt. */
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/** Type for function used to clear the interrupt. */
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typedef void (* cir_t)(void *arg, inr_t inr);
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typedef void (* cir_t)(void *, inr_t);
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/** IPC notification config structure.
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/** IPC notification config structure.
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 *
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 *
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 * Primarily, this structure is encapsulated in the irq_t structure.
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 * Primarily, this structure is encapsulated in the irq_t structure.
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 * It is protected by irq_t::lock.
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 * It is protected by irq_t::lock.
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    bool notify;
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    bool notify;
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    /** Answerbox for notifications. */
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    /** Answerbox for notifications. */
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    answerbox_t *answerbox;
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    answerbox_t *answerbox;
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    /** Method to be used for the notification. */
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    /** Method to be used for the notification. */
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    unative_t method;
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    unative_t method;
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    /** Arguments that will be sent if the IRQ is claimed. */
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    unative_t scratch[IPC_CALL_LEN];
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    /** Top-half pseudocode. */
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    /** Top-half pseudocode. */
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    irq_code_t *code;
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    irq_code_t *code;
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    /** Counter. */
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    /** Counter. */
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    count_t counter;
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    count_t counter;
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    /**
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    /**
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    /** Actual IRQ number. -1 if not yet assigned. */
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    /** Actual IRQ number. -1 if not yet assigned. */
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    inr_t inr;
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    inr_t inr;
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    /** Trigger level of the IRQ. */
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    /** Trigger level of the IRQ. */
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    irq_trigger_t trigger;
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    irq_trigger_t trigger;
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    /** Claim ownership of the IRQ. */
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    /** Claim ownership of the IRQ. */
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    irq_ownership_t (* claim)(void);
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    irq_ownership_t (* claim)(struct irq *);
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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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    /** Instance argument for the handler and the claim function. */
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    void *arg;
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    void *instance;
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    /** Clear interrupt routine. */
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    /** Clear interrupt routine. */
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    cir_t cir;
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    cir_t cir;
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    /** First argument to the clear interrupt routine. */
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    /** First argument to the clear interrupt routine. */
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    void *cir_arg;
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    void *cir_arg;
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    /** Notification configuration structure. */
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    /** Notification configuration structure. */
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    ipc_notif_cfg_t notif_cfg;
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    ipc_notif_cfg_t notif_cfg;
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} irq_t;
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} irq_t;
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SPINLOCK_EXTERN(irq_uspace_hash_table_lock);
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extern hash_table_t irq_uspace_hash_table;
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extern void irq_init(count_t inrs, count_t chains);
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extern void irq_init(count_t, count_t);
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extern void irq_initialize(irq_t *irq);
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extern void irq_initialize(irq_t *);
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extern void irq_register(irq_t *irq);
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extern void irq_register(irq_t *);
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extern irq_t *irq_dispatch_and_lock(inr_t inr);
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extern irq_t *irq_dispatch_and_lock(inr_t);
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extern irq_t *irq_find_and_lock(inr_t inr, devno_t devno);
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#endif
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#endif
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#endif
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#endif
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