xen/evtchn: support more than 4096 ports

[firefly-linux-kernel-4.4.55.git] / include / xen / events.h

diff --git a/include/xen/events.h b/include/xen/events.h
index c9ea10ee227358b5e4deadc5b21c9612a9d15214..55b42cc997f655c6811bf1b1624dc7be5be67f7b 100644 (file)
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -7,6 +7,8 @@
 #include <asm/xen/hypercall.h>
 #include <asm/xen/events.h>
 
+unsigned xen_evtchn_nr_channels(void);
+
 int bind_evtchn_to_irq(unsigned int evtchn);
 int bind_evtchn_to_irqhandler(unsigned int evtchn,
                              irq_handler_t handler,
@@ -73,6 +75,8 @@ void xen_poll_irq_timeout(int irq, u64 timeout);
 
 /* Determine the IRQ which is bound to an event channel */
 unsigned irq_from_evtchn(unsigned int evtchn);
+int irq_from_virq(unsigned int cpu, unsigned int virq);
+unsigned int evtchn_from_irq(unsigned irq);
 
 /* Xen HVM evtchn vector callback */
 void xen_hvm_callback_vector(void);