Linux Kernel  3.7.1
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htirq.h
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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 */