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#ifndef LINUX_HTIRQ_H
#define LINUX_HTIRQ_H
struct pci_dev;
struct irq_data;
struct ht_irq_msg {
u32 address_lo; /* low 32 bits of the ht irq message */
u32 address_hi; /* high 32 bits of the it irq message */
};
typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
struct ht_irq_msg *msg);
struct ht_irq_cfg {
struct pci_dev *dev;
/* Update callback used to cope with buggy hardware */
ht_irq_update_t *update;
unsigned pos;
unsigned idx;
struct ht_irq_msg msg;
};
/* Helper functions.. */
void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
void mask_ht_irq(struct irq_data *data);
void unmask_ht_irq(struct irq_data *data);
/* The arch hook for getting things started */
int arch_setup_ht_irq(int idx, int pos, struct pci_dev *dev,
ht_irq_update_t *update);
void arch_teardown_ht_irq(unsigned int irq);
/* For drivers of buggy hardware */
int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);
#endif /* LINUX_HTIRQ_H */