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-rw-r--r--include/xen/events.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h
index a15d93262e30..646dd17d3aa4 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -12,6 +12,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn,
12 irq_handler_t handler, 12 irq_handler_t handler,
13 unsigned long irqflags, const char *devname, 13 unsigned long irqflags, const char *devname,
14 void *dev_id); 14 void *dev_id);
15int bind_virq_to_irq(unsigned int virq, unsigned int cpu);
15int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu, 16int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
16 irq_handler_t handler, 17 irq_handler_t handler,
17 unsigned long irqflags, const char *devname, 18 unsigned long irqflags, const char *devname,
@@ -53,6 +54,10 @@ bool xen_test_irq_pending(int irq);
53 irq will be disabled so it won't deliver an interrupt. */ 54 irq will be disabled so it won't deliver an interrupt. */
54void xen_poll_irq(int irq); 55void xen_poll_irq(int irq);
55 56
57/* Poll waiting for an irq to become pending with a timeout. In the usual case,
58 * the irq will be disabled so it won't deliver an interrupt. */
59void xen_poll_irq_timeout(int irq, u64 timeout);
60
56/* Determine the IRQ which is bound to an event channel */ 61/* Determine the IRQ which is bound to an event channel */
57unsigned irq_from_evtchn(unsigned int evtchn); 62unsigned irq_from_evtchn(unsigned int evtchn);
58 63
@@ -63,4 +68,25 @@ int xen_set_callback_via(uint64_t via);
63void xen_evtchn_do_upcall(struct pt_regs *regs); 68void xen_evtchn_do_upcall(struct pt_regs *regs);
64void xen_hvm_evtchn_do_upcall(void); 69void xen_hvm_evtchn_do_upcall(void);
65 70
71/* Allocate an irq for a physical interrupt, given a gsi. "Legacy"
72 * GSIs are identity mapped; others are dynamically allocated as
73 * usual. */
74int xen_allocate_pirq(unsigned gsi, int shareable, char *name);
75int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name);
76
77#ifdef CONFIG_PCI_MSI
78/* Allocate an irq and a pirq to be used with MSIs. */
79void xen_allocate_pirq_msi(char *name, int *irq, int *pirq);
80int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type);
81#endif
82
83/* De-allocates the above mentioned physical interrupt. */
84int xen_destroy_irq(int irq);
85
86/* Return vector allocated to pirq */
87int xen_vector_from_irq(unsigned pirq);
88
89/* Return gsi allocated to pirq */
90int xen_gsi_from_irq(unsigned pirq);
91
66#endif /* _XEN_EVENTS_H */ 92#endif /* _XEN_EVENTS_H */