Commit 854072dd authored by Juergen Gross's avatar Juergen Gross Committed by Stefano Stabellini
Browse files

xen/events: support threaded irqs for interdomain event channels 



Export bind_interdomain_evtchn_to_irq() so drivers can use threaded
interrupt handlers with:

 irq = bind_interdomain_evtchn_to_irq(remote_dom, remote_port);
 if (irq < 0)
     /* error */
 ret = request_threaded_irq(...);

Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
Acked-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
parent 46e3626a

drivers/xen/events/events_base.c

+3 −2
Original line number Diff line number Diff line
@@ -900,7 +900,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) 
	return irq;

}



static int bind_interdomain_evtchn_to_irq(unsigned int remote_domain,

int bind_interdomain_evtchn_to_irq(unsigned int remote_domain,

				   unsigned int remote_port)

{

	struct evtchn_bind_interdomain bind_interdomain;
@@ -914,6 +914,7 @@ static int bind_interdomain_evtchn_to_irq(unsigned int remote_domain, 


	return err ? : bind_evtchn_to_irq(bind_interdomain.local_port);

}

EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irq);



static int find_virq(unsigned int virq, unsigned int cpu)

{

include/xen/events.h

+2 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi, 
			   unsigned long irqflags,

			   const char *devname,

			   void *dev_id);

int bind_interdomain_evtchn_to_irq(unsigned int remote_domain,

				   unsigned int remote_port);

int bind_interdomain_evtchn_to_irqhandler(unsigned int remote_domain,

					  unsigned int remote_port,

					  irq_handler_t handler,

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