1 /* SPDX-License-Identifier: GPL-2.0 */
9 u32 address_lo; /* low 32 bits of the ht irq message */
10 u32 address_hi; /* high 32 bits of the it irq message */
13 typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
14 struct ht_irq_msg *msg);
18 /* Update callback used to cope with buggy hardware */
19 ht_irq_update_t *update;
22 struct ht_irq_msg msg;
25 /* Helper functions.. */
26 void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
27 void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
28 void mask_ht_irq(struct irq_data *data);
29 void unmask_ht_irq(struct irq_data *data);
31 /* The arch hook for getting things started */
32 int arch_setup_ht_irq(int idx, int pos, struct pci_dev *dev,
33 ht_irq_update_t *update);
34 void arch_teardown_ht_irq(unsigned int irq);
36 /* For drivers of buggy hardware */
37 int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);
39 #endif /* LINUX_HTIRQ_H */