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authorDavid Vrabel <david.vrabel@citrix.com>2013-09-23 15:47:26 +0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2014-01-06 19:07:54 +0400
commit6ccecb0fbc0494c7221459e6358a016f3281a0ca (patch)
tree773bff549aca665df8b61825c3ef919f179a9acd /include/xen
parentbf2bbe07f13846a90d4447521d87566d6f87bc0e (diff)
downloadlinux-6ccecb0fbc0494c7221459e6358a016f3281a0ca.tar.xz
xen/events: allow event channel priority to be set
Add xen_irq_set_priority() to set an event channels priority. This function will only work with event channel ABIs that support priority (i.e., the FIFO-based ABI). Signed-off-by: David Vrabel <david.vrabel@citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/events.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h
index 55b42cc997f6..c9c85cf84895 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -39,6 +39,11 @@ int bind_interdomain_evtchn_to_irqhandler(unsigned int remote_domain,
*/
void unbind_from_irqhandler(unsigned int irq, void *dev_id);
+#define XEN_IRQ_PRIORITY_MAX EVTCHN_FIFO_PRIORITY_MAX
+#define XEN_IRQ_PRIORITY_DEFAULT EVTCHN_FIFO_PRIORITY_DEFAULT
+#define XEN_IRQ_PRIORITY_MIN EVTCHN_FIFO_PRIORITY_MIN
+int xen_set_irq_priority(unsigned irq, unsigned priority);
+
/*
* Allow extra references to event channels exposed to userspace by evtchn
*/