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File: [Development] / linux-2.6-xfs-all / include / linux / htirq.h (download)

Revision 1.2, Thu Dec 21 14:39:45 2006 UTC (10 years, 10 months ago) by donaldd.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +12 -4 lines 

Merge up to 2.6.19
Merge of 2.6.x-xfs-melb:linux:27801b by kenmcd.

#ifndef LINUX_HTIRQ_H
#define LINUX_HTIRQ_H

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 */
};

/* 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(unsigned int irq);
void unmask_ht_irq(unsigned int irq);

/* The arch hook for getting things started */
int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev);

/* For drivers of buggy hardware */
typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
			       struct ht_irq_msg *msg);
int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);

#endif /* LINUX_HTIRQ_H */