events.h
#ifndef _XEN_EVENTS_H
#define _XEN_EVENTS_H
#include
#include int bind_evtchn_to_irq(unsigned int evtchn); /* void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector); static inline void notify_remote_via_evtchn(int port) extern void notify_remote_via_irq(int irq); extern void xen_irq_resume(void); /* Clear an irq’s pending state, in preparation for polling on it */ /* Poll waiting for an irq to become pending. In the usual case, the /* Determine the IRQ which is bound to an event channel */ #endif /* _XEN_EVENTS_H */
#include
#include
int bind_evtchn_to_irqhandler(unsigned int evtchn,
irq_handler_t handler,
unsigned long irqflags, const char *devname,
void *dev_id);
int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
irq_handler_t handler,
unsigned long irqflags, const char *devname,
void *dev_id);
int bind_ipi_to_irqhandler(enum ipi_vector ipi,
unsigned int cpu,
irq_handler_t handler,
unsigned long irqflags,
const char *devname,
void *dev_id);
* Common unbind function for all event sources. Takes IRQ to unbind from.
* Automatically closes the underlying event channel (even for bindings
* made with bind_evtchn_to_irqhandler()).
*/
void unbind_from_irqhandler(unsigned int irq, void *dev_id);
int resend_irq_on_evtchn(unsigned int irq);
void rebind_evtchn_irq(int evtchn, int irq);
{
struct evtchn_send send = { .port = port };
(void)HYPERVISOR_event_channel_op(EVTCHNOP_send, &send);
}
void xen_clear_irq_pending(int irq);
void xen_set_irq_pending(int irq);
bool xen_test_irq_pending(int irq);
irq will be disabled so it won’t deliver an interrupt. */
void xen_poll_irq(int irq);
unsigned irq_from_evtchn(unsigned int evtchn);