[Xen-devel] [RFC PATCH V3 13/22] Add evtchn_abi_str

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/common/event_channel.c |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/xen/common/event_channel.c b/xen/common/event_channel.c
index 470b8d2..abed10d 100644
--- a/xen/common/event_channel.c
+++ b/xen/common/event_channel.c
@@ -36,6 +36,20 @@
 uint32_t extended_event_channel = (EVTCHN_EXTENDED_NONE |
                                    EVTCHN_EXTENDED_L3);
 
+static inline const char * evtchn_abi_str(unsigned int abi)
+{
+    switch ( abi )
+    {
+    case EVTCHN_EXTENDED_NONE:
+        return "2-level";
+    case EVTCHN_EXTENDED_L3:
+        return "3-level";
+    default:
+        BUG();
+    }
+    return ""; /* make compiler happy */
+}
+
 #define ERROR_EXIT(_errno)                                          \
     do {                                                            \
         gdprintk(XENLOG_WARNING,                                    \
-- 
1.7.10.4


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