4 #include <linux/interrupt.h>
6 #include <xen/interface/event_channel.h>
7 #include <asm/xen/hypercall.h>
8 #include <asm/xen/events.h>
10 int bind_evtchn_to_irq(unsigned int evtchn);
11 int bind_evtchn_to_irqhandler(unsigned int evtchn,
12 irq_handler_t handler,
13 unsigned long irqflags, const char *devname,
15 int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
16 irq_handler_t handler,
17 unsigned long irqflags, const char *devname,
19 int bind_ipi_to_irqhandler(enum ipi_vector ipi,
21 irq_handler_t handler,
22 unsigned long irqflags,
27 * Common unbind function for all event sources. Takes IRQ to unbind from.
28 * Automatically closes the underlying event channel (even for bindings
29 * made with bind_evtchn_to_irqhandler()).
31 void unbind_from_irqhandler(unsigned int irq, void *dev_id);
33 void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector);
34 int resend_irq_on_evtchn(unsigned int irq);
35 void rebind_evtchn_irq(int evtchn, int irq);
37 static inline void notify_remote_via_evtchn(int port)
39 struct evtchn_send send = { .port = port };
40 (void)HYPERVISOR_event_channel_op(EVTCHNOP_send, &send);
43 extern void notify_remote_via_irq(int irq);
45 extern void xen_irq_resume(void);
47 /* Clear an irq's pending state, in preparation for polling on it */
48 void xen_clear_irq_pending(int irq);
50 /* Poll waiting for an irq to become pending. In the usual case, the
51 irq will be disabled so it won't deliver an interrupt. */
52 void xen_poll_irq(int irq);
54 #endif /* _XEN_EVENTS_H */