1e46cdb66SJeremy Fitzhardinge #ifndef _XEN_EVENTS_H 2e46cdb66SJeremy Fitzhardinge #define _XEN_EVENTS_H 3e46cdb66SJeremy Fitzhardinge 4f87e4cacSJeremy Fitzhardinge #include <linux/interrupt.h> 5f87e4cacSJeremy Fitzhardinge 6f87e4cacSJeremy Fitzhardinge #include <xen/interface/event_channel.h> 7f87e4cacSJeremy Fitzhardinge #include <asm/xen/hypercall.h> 8e849c3e9SIsaku Yamahata #include <asm/xen/events.h> 9e46cdb66SJeremy Fitzhardinge 10b536b4b9SJeremy Fitzhardinge int bind_evtchn_to_irq(unsigned int evtchn); 11e46cdb66SJeremy Fitzhardinge int bind_evtchn_to_irqhandler(unsigned int evtchn, 12f87e4cacSJeremy Fitzhardinge irq_handler_t handler, 13e46cdb66SJeremy Fitzhardinge unsigned long irqflags, const char *devname, 14e46cdb66SJeremy Fitzhardinge void *dev_id); 15e46cdb66SJeremy Fitzhardinge int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu, 16f87e4cacSJeremy Fitzhardinge irq_handler_t handler, 17f87e4cacSJeremy Fitzhardinge unsigned long irqflags, const char *devname, 18f87e4cacSJeremy Fitzhardinge void *dev_id); 19f87e4cacSJeremy Fitzhardinge int bind_ipi_to_irqhandler(enum ipi_vector ipi, 20f87e4cacSJeremy Fitzhardinge unsigned int cpu, 21f87e4cacSJeremy Fitzhardinge irq_handler_t handler, 22f87e4cacSJeremy Fitzhardinge unsigned long irqflags, 23f87e4cacSJeremy Fitzhardinge const char *devname, 24f87e4cacSJeremy Fitzhardinge void *dev_id); 25e46cdb66SJeremy Fitzhardinge 26e46cdb66SJeremy Fitzhardinge /* 27e46cdb66SJeremy Fitzhardinge * Common unbind function for all event sources. Takes IRQ to unbind from. 28e46cdb66SJeremy Fitzhardinge * Automatically closes the underlying event channel (even for bindings 29e46cdb66SJeremy Fitzhardinge * made with bind_evtchn_to_irqhandler()). 30e46cdb66SJeremy Fitzhardinge */ 31e46cdb66SJeremy Fitzhardinge void unbind_from_irqhandler(unsigned int irq, void *dev_id); 32e46cdb66SJeremy Fitzhardinge 33f87e4cacSJeremy Fitzhardinge void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector); 34f87e4cacSJeremy Fitzhardinge 35e46cdb66SJeremy Fitzhardinge static inline void notify_remote_via_evtchn(int port) 36e46cdb66SJeremy Fitzhardinge { 37e46cdb66SJeremy Fitzhardinge struct evtchn_send send = { .port = port }; 38e46cdb66SJeremy Fitzhardinge (void)HYPERVISOR_event_channel_op(EVTCHNOP_send, &send); 39e46cdb66SJeremy Fitzhardinge } 40e46cdb66SJeremy Fitzhardinge 41e46cdb66SJeremy Fitzhardinge extern void notify_remote_via_irq(int irq); 42e46cdb66SJeremy Fitzhardinge #endif /* _XEN_EVENTS_H */ 43