xen: Use evtchn_type_t as a type for event channels
Make event channel functions pass event channel port using
evtchn_port_t type. It eliminates signed <-> unsigned conversion.
Signed-off-by: Yan Yankovskyi <yyankovskyi@gmail.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20200323152343.GA28422@kbp1-lhp-F74019
Signed-off-by: Juergen Gross <jgross@suse.com>
diff --git a/drivers/xen/gntdev-common.h b/drivers/xen/gntdev-common.h
index 9a3960e..20d7d05 100644
--- a/drivers/xen/gntdev-common.h
+++ b/drivers/xen/gntdev-common.h
@@ -15,6 +15,7 @@
#include <linux/mman.h>
#include <linux/mmu_notifier.h>
#include <linux/types.h>
+#include <xen/interface/event_channel.h>
struct gntdev_dmabuf_priv;
@@ -38,7 +39,7 @@ struct gntdev_unmap_notify {
int flags;
/* Address relative to the start of the gntdev_grant_map. */
int addr;
- int event;
+ evtchn_port_t event;
};
struct gntdev_grant_map {