net/mlx5: remove redundant flag in device config
[dpdk.git] / drivers / net / mlx5 / mlx5_utils.c
index f9557c0..e4e66ae 100644 (file)
@@ -8,167 +8,6 @@
 
 #include "mlx5_utils.h"
 
-
-/********************* Cache list ************************/
-
-static struct mlx5_cache_entry *
-mlx5_clist_default_create_cb(struct mlx5_cache_list *list,
-                            struct mlx5_cache_entry *entry __rte_unused,
-                            void *ctx __rte_unused)
-{
-       return mlx5_malloc(MLX5_MEM_ZERO, list->entry_sz, 0, SOCKET_ID_ANY);
-}
-
-static void
-mlx5_clist_default_remove_cb(struct mlx5_cache_list *list __rte_unused,
-                            struct mlx5_cache_entry *entry)
-{
-       mlx5_free(entry);
-}
-
-int
-mlx5_cache_list_init(struct mlx5_cache_list *list, const char *name,
-                    uint32_t entry_size, void *ctx,
-                    mlx5_cache_create_cb cb_create,
-                    mlx5_cache_match_cb cb_match,
-                    mlx5_cache_remove_cb cb_remove)
-{
-       MLX5_ASSERT(list);
-       if (!cb_match || (!cb_create ^ !cb_remove))
-               return -1;
-       if (name)
-               snprintf(list->name, sizeof(list->name), "%s", name);
-       list->entry_sz = entry_size;
-       list->ctx = ctx;
-       list->cb_create = cb_create ? cb_create : mlx5_clist_default_create_cb;
-       list->cb_match = cb_match;
-       list->cb_remove = cb_remove ? cb_remove : mlx5_clist_default_remove_cb;
-       rte_rwlock_init(&list->lock);
-       DRV_LOG(DEBUG, "Cache list %s initialized.", list->name);
-       LIST_INIT(&list->head);
-       return 0;
-}
-
-static struct mlx5_cache_entry *
-__cache_lookup(struct mlx5_cache_list *list, void *ctx, bool reuse)
-{
-       struct mlx5_cache_entry *entry;
-
-       LIST_FOREACH(entry, &list->head, next) {
-               if (list->cb_match(list, entry, ctx))
-                       continue;
-               if (reuse) {
-                       __atomic_add_fetch(&entry->ref_cnt, 1,
-                                          __ATOMIC_RELAXED);
-                       DRV_LOG(DEBUG, "Cache list %s entry %p ref++: %u.",
-                               list->name, (void *)entry, entry->ref_cnt);
-               }
-               break;
-       }
-       return entry;
-}
-
-static struct mlx5_cache_entry *
-cache_lookup(struct mlx5_cache_list *list, void *ctx, bool reuse)
-{
-       struct mlx5_cache_entry *entry;
-
-       rte_rwlock_read_lock(&list->lock);
-       entry = __cache_lookup(list, ctx, reuse);
-       rte_rwlock_read_unlock(&list->lock);
-       return entry;
-}
-
-struct mlx5_cache_entry *
-mlx5_cache_lookup(struct mlx5_cache_list *list, void *ctx)
-{
-       return cache_lookup(list, ctx, false);
-}
-
-struct mlx5_cache_entry *
-mlx5_cache_register(struct mlx5_cache_list *list, void *ctx)
-{
-       struct mlx5_cache_entry *entry;
-       uint32_t prev_gen_cnt = 0;
-
-       MLX5_ASSERT(list);
-       prev_gen_cnt = __atomic_load_n(&list->gen_cnt, __ATOMIC_ACQUIRE);
-       /* Lookup with read lock, reuse if found. */
-       entry = cache_lookup(list, ctx, true);
-       if (entry)
-               return entry;
-       /* Not found, append with write lock - block read from other threads. */
-       rte_rwlock_write_lock(&list->lock);
-       /* If list changed by other threads before lock, search again. */
-       if (prev_gen_cnt != __atomic_load_n(&list->gen_cnt, __ATOMIC_ACQUIRE)) {
-               /* Lookup and reuse w/o read lock. */
-               entry = __cache_lookup(list, ctx, true);
-               if (entry)
-                       goto done;
-       }
-       entry = list->cb_create(list, entry, ctx);
-       if (!entry) {
-               DRV_LOG(ERR, "Failed to init cache list %s entry %p.",
-                       list->name, (void *)entry);
-               goto done;
-       }
-       entry->ref_cnt = 1;
-       LIST_INSERT_HEAD(&list->head, entry, next);
-       __atomic_add_fetch(&list->gen_cnt, 1, __ATOMIC_RELEASE);
-       __atomic_add_fetch(&list->count, 1, __ATOMIC_ACQUIRE);
-       DRV_LOG(DEBUG, "Cache list %s entry %p new: %u.",
-               list->name, (void *)entry, entry->ref_cnt);
-done:
-       rte_rwlock_write_unlock(&list->lock);
-       return entry;
-}
-
-int
-mlx5_cache_unregister(struct mlx5_cache_list *list,
-                     struct mlx5_cache_entry *entry)
-{
-       rte_rwlock_write_lock(&list->lock);
-       MLX5_ASSERT(entry && entry->next.le_prev);
-       DRV_LOG(DEBUG, "Cache list %s entry %p ref--: %u.",
-               list->name, (void *)entry, entry->ref_cnt);
-       if (--entry->ref_cnt) {
-               rte_rwlock_write_unlock(&list->lock);
-               return 1;
-       }
-       __atomic_add_fetch(&list->gen_cnt, 1, __ATOMIC_ACQUIRE);
-       __atomic_sub_fetch(&list->count, 1, __ATOMIC_ACQUIRE);
-       LIST_REMOVE(entry, next);
-       list->cb_remove(list, entry);
-       rte_rwlock_write_unlock(&list->lock);
-       DRV_LOG(DEBUG, "Cache list %s entry %p removed.",
-               list->name, (void *)entry);
-       return 0;
-}
-
-void
-mlx5_cache_list_destroy(struct mlx5_cache_list *list)
-{
-       struct mlx5_cache_entry *entry;
-
-       MLX5_ASSERT(list);
-       /* no LIST_FOREACH_SAFE, using while instead */
-       while (!LIST_EMPTY(&list->head)) {
-               entry = LIST_FIRST(&list->head);
-               LIST_REMOVE(entry, next);
-               list->cb_remove(list, entry);
-               DRV_LOG(DEBUG, "Cache list %s entry %p destroyed.",
-                       list->name, (void *)entry);
-       }
-       memset(list, 0, sizeof(*list));
-}
-
-uint32_t
-mlx5_cache_list_get_entry_num(struct mlx5_cache_list *list)
-{
-       MLX5_ASSERT(list);
-       return __atomic_load_n(&list->count, __ATOMIC_RELAXED);
-}
-
 /********************* Indexed pool **********************/
 
 static inline void