/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_INTERVAL_TREE_H
#define _LINUX_INTERVAL_TREE_H

#include "rbtree.h"
#include <stdint.h>

struct interval_tree_node
{
	struct rb_node rb;
	uint64_t start; /* Start of interval */
	uint64_t last;	/* Last location _in_ interval */
	uint64_t __subtree_last;
	void *user_data;
};

extern void
interval_tree_insert(struct interval_tree_node *node,
					 struct rb_root_cached *root);

extern void
interval_tree_remove(struct interval_tree_node *node,
					 struct rb_root_cached *root);

extern struct interval_tree_node *
interval_tree_iter_first(struct rb_root_cached *root,
						 uint64_t start, uint64_t last);

extern struct interval_tree_node *
interval_tree_iter_next(struct interval_tree_node *node,
						uint64_t start, uint64_t last);

#endif /* _LINUX_INTERVAL_TREE_H */
