tools/testing/radix-tree/test.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <linux/gfp.h>
   3 #include <linux/types.h>
   4 #include <linux/radix-tree.h>
   5 #include <linux/rcupdate.h>
   6
   7 struct item {
   8         struct rcu_head rcu_head;
   9         unsigned long index;
  10         unsigned int order;
  11 };
  12
  13 struct item *item_create(unsigned long index, unsigned int order);
  14 int __item_insert(struct radix_tree_root *root, struct item *item);
  15 int item_insert(struct radix_tree_root *root, unsigned long index);
  16 void item_sanity(struct item *item, unsigned long index);
  17 int item_insert_order(struct radix_tree_root *root, unsigned long index,
  18                         unsigned order);
  19 int item_delete(struct radix_tree_root *root, unsigned long index);
  20 int item_delete_rcu(struct radix_tree_root *root, unsigned long index);
  21 struct item *item_lookup(struct radix_tree_root *root, unsigned long index);
  22
  23 void item_check_present(struct radix_tree_root *root, unsigned long index);
  24 void item_check_absent(struct radix_tree_root *root, unsigned long index);
  25 void item_gang_check_present(struct radix_tree_root *root,
  26                         unsigned long start, unsigned long nr,
  27                         int chunk, int hop);
  28 void item_full_scan(struct radix_tree_root *root, unsigned long start,
  29                         unsigned long nr, int chunk);
  30 void item_kill_tree(struct radix_tree_root *root);
  31
  32 int tag_tagged_items(struct radix_tree_root *, pthread_mutex_t *,
  33                         unsigned long start, unsigned long end, unsigned batch,
  34                         unsigned iftag, unsigned thentag);
  35 unsigned long find_item(struct radix_tree_root *, void *item);
  36
  37 void tag_check(void);
  38 void multiorder_checks(void);
  39 void iteration_test(unsigned order, unsigned duration);
  40 void benchmark(void);
  41 void idr_checks(void);
  42 void ida_tests(void);
  43
  44 struct item *
  45 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
  46 struct item *
  47 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);
  48 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);
  49 void tree_verify_min_height(struct radix_tree_root *root, int maxindex);
  50 void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);
  51
  52 extern int nr_allocated;
  53
  54 /* Normally private parts of lib/radix-tree.c */
  55 struct radix_tree_node *entry_to_node(void *ptr);
  56 void radix_tree_dump(struct radix_tree_root *root);
  57 int root_tag_get(struct radix_tree_root *root, unsigned int tag);
  58 unsigned long node_maxindex(struct radix_tree_node *);
  59 unsigned long shift_maxindex(unsigned int shift);
  60 int radix_tree_cpu_dead(unsigned int cpu);
  61 struct radix_tree_preload {
  62         unsigned nr;
  63         struct radix_tree_node *nodes;
  64 };
  65 extern struct radix_tree_preload radix_tree_preloads;