path: root/include/xen
diff options
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2009-11-05 16:33:09 -0500
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2010-10-18 10:49:28 -0400
commitd9a8814f27080cec6126fca3ef0c210d9f56181e (patch)
tree5db169fb98d537413cea793298557343eaf69df1 /include/xen
parent3a69e9165a271b026c7149886b96ab0cc2e9a36b (diff)
xen: Provide a variant of xen_poll_irq with timeout.
The 'xen_poll_irq_timeout' provides a method to pass in the poll timeout for IRQs if requested. We also export those two poll functions as Xen PCI fronted uses them. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'include/xen')
1 files changed, 4 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h
index 8227da8f716..2532f8bd240 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -53,6 +53,10 @@ bool xen_test_irq_pending(int irq);
irq will be disabled so it won't deliver an interrupt. */
void xen_poll_irq(int irq);
+/* Poll waiting for an irq to become pending with a timeout. In the usual case,
+ * the irq will be disabled so it won't deliver an interrupt. */
+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);