include/linux/htirq.h

   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 void mask_ht_irq(unsigned int irq);
  13 void unmask_ht_irq(unsigned int irq);
  14
  15 /* The arch hook for getting things started */
  16 int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev);
  17
  18 /* For drivers of buggy hardware */
  19 typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
  20                                struct ht_irq_msg *msg);
  21 int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);
  22
  23 #endif /* LINUX_HTIRQ_H */