objagg.h 2.0 KB

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  1. /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2. /* Copyright (c) 2018 Mellanox Technologies. All rights reserved */
  3. #ifndef _OBJAGG_H
  4. #define _OBJAGG_H
  5. struct objagg_ops {
  6. size_t obj_size;
  7. bool (*delta_check)(void *priv, const void *parent_obj,
  8. const void *obj);
  9. int (*hints_obj_cmp)(const void *obj1, const void *obj2);
  10. void * (*delta_create)(void *priv, void *parent_obj, void *obj);
  11. void (*delta_destroy)(void *priv, void *delta_priv);
  12. void * (*root_create)(void *priv, void *obj, unsigned int root_id);
  13. #define OBJAGG_OBJ_ROOT_ID_INVALID UINT_MAX
  14. void (*root_destroy)(void *priv, void *root_priv);
  15. };
  16. struct objagg;
  17. struct objagg_obj;
  18. struct objagg_hints;
  19. const void *objagg_obj_root_priv(const struct objagg_obj *objagg_obj);
  20. const void *objagg_obj_delta_priv(const struct objagg_obj *objagg_obj);
  21. const void *objagg_obj_raw(const struct objagg_obj *objagg_obj);
  22. struct objagg_obj *objagg_obj_get(struct objagg *objagg, void *obj);
  23. void objagg_obj_put(struct objagg *objagg, struct objagg_obj *objagg_obj);
  24. struct objagg *objagg_create(const struct objagg_ops *ops,
  25. struct objagg_hints *hints, void *priv);
  26. void objagg_destroy(struct objagg *objagg);
  27. struct objagg_obj_stats {
  28. unsigned int user_count;
  29. unsigned int delta_user_count; /* includes delta object users */
  30. };
  31. struct objagg_obj_stats_info {
  32. struct objagg_obj_stats stats;
  33. struct objagg_obj *objagg_obj; /* associated object */
  34. bool is_root;
  35. };
  36. struct objagg_stats {
  37. unsigned int root_count;
  38. unsigned int stats_info_count;
  39. struct objagg_obj_stats_info stats_info[];
  40. };
  41. const struct objagg_stats *objagg_stats_get(struct objagg *objagg);
  42. void objagg_stats_put(const struct objagg_stats *objagg_stats);
  43. enum objagg_opt_algo_type {
  44. OBJAGG_OPT_ALGO_SIMPLE_GREEDY,
  45. };
  46. struct objagg_hints *objagg_hints_get(struct objagg *objagg,
  47. enum objagg_opt_algo_type opt_algo_type);
  48. void objagg_hints_put(struct objagg_hints *objagg_hints);
  49. const struct objagg_stats *
  50. objagg_hints_stats_get(struct objagg_hints *objagg_hints);
  51. #endif