1 #ifndef LINUX_HTIRQ_H 2 #define LINUX_HTIRQ_H 3 4 struct 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.. */ 10 void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg); 11 void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg); 12 struct irq_data; 13 void mask_ht_irq(struct irq_data *data); 14 void unmask_ht_irq(struct irq_data *data); 15 16 /* The arch hook for getting things started */ 17 int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev); 18 19 /* For drivers of buggy hardware */ 20 typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq, 21 struct ht_irq_msg *msg); 22 int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update); 23 24 #endif /* LINUX_HTIRQ_H */ 25