1e46cdb66SJeremy Fitzhardinge #ifndef _XEN_EVENTS_H 2e46cdb66SJeremy Fitzhardinge #define _XEN_EVENTS_H 3e46cdb66SJeremy Fitzhardinge 4e46cdb66SJeremy Fitzhardinge #include <linux/irq.h> 5e46cdb66SJeremy Fitzhardinge 6e46cdb66SJeremy Fitzhardinge int bind_evtchn_to_irqhandler(unsigned int evtchn, 7e46cdb66SJeremy Fitzhardinge irqreturn_t (*handler)(int, void *), 8e46cdb66SJeremy Fitzhardinge unsigned long irqflags, const char *devname, 9e46cdb66SJeremy Fitzhardinge void *dev_id); 10e46cdb66SJeremy Fitzhardinge int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu, 11e46cdb66SJeremy Fitzhardinge irqreturn_t (*handler)(int, void *), 12e46cdb66SJeremy Fitzhardinge unsigned long irqflags, const char *devname, void *dev_id); 13e46cdb66SJeremy Fitzhardinge 14e46cdb66SJeremy Fitzhardinge /* 15e46cdb66SJeremy Fitzhardinge * Common unbind function for all event sources. Takes IRQ to unbind from. 16e46cdb66SJeremy Fitzhardinge * Automatically closes the underlying event channel (even for bindings 17e46cdb66SJeremy Fitzhardinge * made with bind_evtchn_to_irqhandler()). 18e46cdb66SJeremy Fitzhardinge */ 19e46cdb66SJeremy Fitzhardinge void unbind_from_irqhandler(unsigned int irq, void *dev_id); 20e46cdb66SJeremy Fitzhardinge 21e46cdb66SJeremy Fitzhardinge static inline void notify_remote_via_evtchn(int port) 22e46cdb66SJeremy Fitzhardinge { 23e46cdb66SJeremy Fitzhardinge struct evtchn_send send = { .port = port }; 24e46cdb66SJeremy Fitzhardinge (void)HYPERVISOR_event_channel_op(EVTCHNOP_send, &send); 25e46cdb66SJeremy Fitzhardinge } 26e46cdb66SJeremy Fitzhardinge 27e46cdb66SJeremy Fitzhardinge extern void notify_remote_via_irq(int irq); 28e46cdb66SJeremy Fitzhardinge #endif /* _XEN_EVENTS_H */ 29