testing/radix-tree/test.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #include <linux/gfp.h>
0003 #include <linux/types.h>
0004 #include <linux/radix-tree.h>
0005 #include <linux/rcupdate.h>
0006
0007 struct item {
0008     struct rcu_head rcu_head;
0009     unsigned long index;
0010     unsigned int order;
0011 };
0012
0013 struct item *item_create(unsigned long index, unsigned int order);
0014 int item_insert(struct radix_tree_root *root, unsigned long index);
0015 void item_sanity(struct item *item, unsigned long index);
0016 void item_free(struct item *item, unsigned long index);
0017 int item_delete(struct radix_tree_root *root, unsigned long index);
0018 int item_delete_rcu(struct xarray *xa, unsigned long index);
0019 struct item *item_lookup(struct radix_tree_root *root, unsigned long index);
0020
0021 void item_check_present(struct radix_tree_root *root, unsigned long index);
0022 void item_check_absent(struct radix_tree_root *root, unsigned long index);
0023 void item_gang_check_present(struct radix_tree_root *root,
0024             unsigned long start, unsigned long nr,
0025             int chunk, int hop);
0026 void item_full_scan(struct radix_tree_root *root, unsigned long start,
0027             unsigned long nr, int chunk);
0028 void item_kill_tree(struct radix_tree_root *root);
0029
0030 int tag_tagged_items(struct xarray *, unsigned long start, unsigned long end,
0031         unsigned batch, xa_mark_t iftag, xa_mark_t thentag);
0032
0033 void xarray_tests(void);
0034 void tag_check(void);
0035 void multiorder_checks(void);
0036 void iteration_test(unsigned order, unsigned duration);
0037 void iteration_test2(unsigned duration);
0038 void benchmark(void);
0039 void idr_checks(void);
0040 void ida_tests(void);
0041
0042 struct item *
0043 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
0044 struct item *
0045 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);
0046 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);
0047 void tree_verify_min_height(struct radix_tree_root *root, int maxindex);
0048 void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);
0049
0050 extern int nr_allocated;
0051
0052 /* Normally private parts of lib/radix-tree.c */
0053 struct radix_tree_node *entry_to_node(void *ptr);
0054 void radix_tree_dump(struct radix_tree_root *root);
0055 int root_tag_get(struct radix_tree_root *root, unsigned int tag);
0056 unsigned long node_maxindex(struct radix_tree_node *);
0057 unsigned long shift_maxindex(unsigned int shift);
0058 int radix_tree_cpu_dead(unsigned int cpu);
0059 extern struct radix_tree_preload radix_tree_preloads;