1 files changed, 37 insertions, 0 deletions
diff --git a/tools/libxc/xc_rrobin.c b/tools/libxc/xc_rrobin.c
new file mode 100644
index 0000000000..ad37962f3b
--- /dev/null
+++ b/tools/libxc/xc_rrobin.c
@@ -0,0 +1,37 @@
+/******************************************************************************
+ * xc_rrobin.c
+ * 
+ * API for manipulating parameters of the Round Robin scheduler
+ * 
+ * by Mark Williamson, Copyright (c) 2004 Intel Research Cambridge.
+ */
+
+#include "xc_private.h"
+
+int xc_rrobin_global_set(int xc_handle, u64 slice)
+{
+    dom0_op_t op;
+    op.cmd = DOM0_SCHEDCTL;
+    op.u.schedctl.sched_id = SCHED_RROBIN;
+    op.u.schedctl.direction = SCHED_INFO_PUT;
+
+    op.u.schedctl.u.rrobin.slice = slice;
+    return do_dom0_op(xc_handle, &op);
+}
+
+
+int xc_rrobin_global_get(int xc_handle, u64 *slice)
+{
+    dom0_op_t op;
+    int ret;
+
+    op.cmd = DOM0_SCHEDCTL;
+    op.u.schedctl.sched_id = SCHED_RROBIN;
+    op.u.schedctl.direction = SCHED_INFO_GET;
+
+    ret = do_dom0_op(xc_handle, &op);
+
+    *slice = op.u.schedctl.u.rrobin.slice;
+
+    return ret;
+}