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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_INTERVAL_TREE_H
#define _LINUX_INTERVAL_TREE_H
#ifdef __cplusplus
extern "C"
{
#endif
#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);
#ifdef __cplusplus
}
#endif
#endif /* _LINUX_INTERVAL_TREE_H */
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