[Xen-devel] [PATCH V2 07/15] Update Xen public header

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/include/public/xen.h |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
index fe44eb5..ba5d045 100644
--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -554,9 +554,16 @@ DEFINE_XEN_GUEST_HANDLE(multicall_entry_t);
 
 /*
  * Event channel endpoints per domain:
+ * 2-level:
  *  1024 if a long is 32 bits; 4096 if a long is 64 bits.
+ * 3-level:
+ *  32k if a long is 32 bits; 256k if a long is 64 bits.
  */
-#define NR_EVENT_CHANNELS (sizeof(unsigned long) * sizeof(unsigned long) * 64)
+#define NR_EVENT_CHANNELS_L2 (sizeof(unsigned long) * sizeof(unsigned long) * 
64)
+#define NR_EVENT_CHANNELS_L3 (NR_EVENT_CHANNELS_L2 * 64)
+#if !defined(__XEN__) && !defined(__XEN_TOOLS__)
+#define NR_EVENT_CHANNELS NR_EVENT_CHANNELS_L2 /* for compatibility */
+#endif
 
 struct vcpu_time_info {
     /*
-- 
1.7.10.4


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