root/tools/testing/radix-tree/test.h

INCLUDED FROM

   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, unsigned long index);
  15 void item_sanity(struct item *item, unsigned long index);
  16 void item_free(struct item *item, unsigned long index);
  17 int item_delete(struct radix_tree_root *root, unsigned long index);
  18 int item_delete_rcu(struct xarray *xa, unsigned long index);
  19 struct item *item_lookup(struct radix_tree_root *root, unsigned long index);
  20 
  21 void item_check_present(struct radix_tree_root *root, unsigned long index);
  22 void item_check_absent(struct radix_tree_root *root, unsigned long index);
  23 void item_gang_check_present(struct radix_tree_root *root,
  24                         unsigned long start, unsigned long nr,
  25                         int chunk, int hop);
  26 void item_full_scan(struct radix_tree_root *root, unsigned long start,
  27                         unsigned long nr, int chunk);
  28 void item_kill_tree(struct radix_tree_root *root);
  29 
  30 int tag_tagged_items(struct xarray *, unsigned long start, unsigned long end,
  31                 unsigned batch, xa_mark_t iftag, xa_mark_t thentag);
  32 
  33 void xarray_tests(void);
  34 void tag_check(void);
  35 void multiorder_checks(void);
  36 void iteration_test(unsigned order, unsigned duration);
  37 void iteration_test2(unsigned duration);
  38 void benchmark(void);
  39 void idr_checks(void);
  40 void ida_tests(void);
  41 
  42 struct item *
  43 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
  44 struct item *
  45 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);
  46 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);
  47 void tree_verify_min_height(struct radix_tree_root *root, int maxindex);
  48 void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);
  49 
  50 extern int nr_allocated;
  51 
  52 /* Normally private parts of lib/radix-tree.c */
  53 struct radix_tree_node *entry_to_node(void *ptr);
  54 void radix_tree_dump(struct radix_tree_root *root);
  55 int root_tag_get(struct radix_tree_root *root, unsigned int tag);
  56 unsigned long node_maxindex(struct radix_tree_node *);
  57 unsigned long shift_maxindex(unsigned int shift);
  58 int radix_tree_cpu_dead(unsigned int cpu);
  59 struct radix_tree_preload {
  60         unsigned nr;
  61         struct radix_tree_node *nodes;
  62 };
  63 extern struct radix_tree_preload radix_tree_preloads;