1#ifndef LINUX_HTIRQ_H
2#define LINUX_HTIRQ_H
3
4struct ht_irq_msg {
5	u32	address_lo;	/* low 32 bits of the ht irq message */
6	u32	address_hi;	/* high 32 bits of the it irq message */
7};
8
9/* Helper functions.. */
10void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
11void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
12struct irq_data;
13void mask_ht_irq(struct irq_data *data);
14void unmask_ht_irq(struct irq_data *data);
15
16/* The arch hook for getting things started */
17int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev);
18
19/* For drivers of buggy hardware */
20typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
21			       struct ht_irq_msg *msg);
22int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);
23
24#endif /* LINUX_HTIRQ_H */
25