1 files changed, 22 insertions, 0 deletions

diff --git a/include/xen/balloon.h b/include/xen/balloon.h
new file mode 100644
index 000000000000..f72e4794ec77
--- /dev/null
+++ b/include/xen/balloon.h
@@ -0,0 +1,22 @@
+/******************************************************************************
+ * Xen balloon functionality
+ */
+
+#define RETRY_UNLIMITED 0
+
+struct balloon_stats {
+        /* We aim for 'current allocation' == 'target allocation'. */
+        unsigned long current_pages;
+        unsigned long target_pages;
+        /* Number of pages in high- and low-memory balloons. */
+        unsigned long balloon_low;
+        unsigned long balloon_high;
+        unsigned long schedule_delay;
+        unsigned long max_schedule_delay;
+        unsigned long retry_count;
+        unsigned long max_retry_count;
+};
+
+extern struct balloon_stats balloon_stats;
+
+void balloon_set_new_target(unsigned long target);