[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/s390/numa/toptree.h b/src/kernel/linux/v4.14/arch/s390/numa/toptree.h
new file mode 100644
index 0000000..5246371
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/s390/numa/toptree.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * NUMA support for s390
+ *
+ * A tree structure used for machine topology mangling
+ *
+ * Copyright IBM Corp. 2015
+ */
+#ifndef S390_TOPTREE_H
+#define S390_TOPTREE_H
+
+#include <linux/cpumask.h>
+#include <linux/list.h>
+
+struct toptree {
+ int level;
+ int id;
+ cpumask_t mask;
+ struct toptree *parent;
+ struct list_head sibling;
+ struct list_head children;
+};
+
+struct toptree *toptree_alloc(int level, int id);
+void toptree_free(struct toptree *cand);
+void toptree_update_mask(struct toptree *cand);
+void toptree_unify(struct toptree *cand);
+struct toptree *toptree_get_child(struct toptree *cand, int id);
+void toptree_move(struct toptree *cand, struct toptree *target);
+int toptree_count(struct toptree *context, int level);
+
+struct toptree *toptree_first(struct toptree *context, int level);
+struct toptree *toptree_next(struct toptree *cur, struct toptree *context,
+ int level);
+
+#define toptree_for_each_child(child, ptree) \
+ list_for_each_entry(child, &ptree->children, sibling)
+
+#define toptree_for_each_child_safe(child, ptmp, ptree) \
+ list_for_each_entry_safe(child, ptmp, &ptree->children, sibling)
+
+#define toptree_is_last(ptree) \
+ ((ptree->parent == NULL) || \
+ (ptree->parent->children.prev == &ptree->sibling))
+
+#define toptree_for_each(ptree, cont, ttype) \
+ for (ptree = toptree_first(cont, ttype); \
+ ptree != NULL; \
+ ptree = toptree_next(ptree, cont, ttype))
+
+#define toptree_for_each_safe(ptree, tmp, cont, ttype) \
+ for (ptree = toptree_first(cont, ttype), \
+ tmp = toptree_next(ptree, cont, ttype); \
+ ptree != NULL; \
+ ptree = tmp, \
+ tmp = toptree_next(ptree, cont, ttype))
+
+#define toptree_for_each_sibling(ptree, start) \
+ toptree_for_each(ptree, start->parent, start->level)
+
+#endif /* S390_TOPTREE_H */