[mirror_ubuntu-zesty-kernel.git] / include / xen / events.h

#ifndef _XEN_EVENTS_H
#define _XEN_EVENTS_H

#include <linux/interrupt.h>

#include <xen/interface/event_channel.h>
#include <asm/xen/hypercall.h>

enum ipi_vector {
	XEN_RESCHEDULE_VECTOR,
	XEN_CALL_FUNCTION_VECTOR,

	XEN_NR_IPIS,
};

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);

void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector);

static inline void notify_remote_via_evtchn(int port)
{
	struct evtchn_send send = { .port = port };
	(void)HYPERVISOR_event_channel_op(EVTCHNOP_send, &send);
}

extern void notify_remote_via_irq(int irq);
#endif	/* _XEN_EVENTS_H */
Commit	Line	Data
e46cdb66 JF	1	#ifndef _XEN_EVENTS_H
	2	#define _XEN_EVENTS_H
	3
f87e4cac JF	4	#include <linux/interrupt.h>
	5
	6	#include <xen/interface/event_channel.h>
	7	#include <asm/xen/hypercall.h>
	8
	9	enum ipi_vector {
	10	XEN_RESCHEDULE_VECTOR,
	11	XEN_CALL_FUNCTION_VECTOR,
	12
	13	XEN_NR_IPIS,
	14	};
e46cdb66 JF	15
e46cdb66 JF	16	int bind_evtchn_to_irqhandler(unsigned int evtchn,
f87e4cac	17	irq_handler_t handler,
e46cdb66 JF	18	unsigned long irqflags, const char *devname,
	19	void *dev_id);
	20	int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
f87e4cac JF	21	irq_handler_t handler,
	22	unsigned long irqflags, const char *devname,
	23	void *dev_id);
	24	int bind_ipi_to_irqhandler(enum ipi_vector ipi,
	25	unsigned int cpu,
	26	irq_handler_t handler,
	27	unsigned long irqflags,
	28	const char *devname,
	29	void *dev_id);
e46cdb66 JF	30
	31	/*
	32	* Common unbind function for all event sources. Takes IRQ to unbind from.
	33	* Automatically closes the underlying event channel (even for bindings
	34	* made with bind_evtchn_to_irqhandler()).
	35	*/
	36	void unbind_from_irqhandler(unsigned int irq, void *dev_id);
	37
f87e4cac JF	38	void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector);
f87e4cac JF	39
e46cdb66 JF	40	static inline void notify_remote_via_evtchn(int port)
	41	{
	42	struct evtchn_send send = { .port = port };
	43	(void)HYPERVISOR_event_channel_op(EVTCHNOP_send, &send);
	44	}
	45
	46	extern void notify_remote_via_irq(int irq);
	47	#endif /* _XEN_EVENTS_H */