ceph/src/spdk/dpdk/lib/librte_eal/common/include/rte_malloc_heap.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #ifndef _RTE_MALLOC_HEAP_H_
   6 #define _RTE_MALLOC_HEAP_H_
   7
   8 #include <stddef.h>
   9 #include <sys/queue.h>
  10 #include <rte_spinlock.h>
  11 #include <rte_memory.h>
  12
  13 /* Number of free lists per heap, grouped by size. */
  14 #define RTE_HEAP_NUM_FREELISTS  13
  15 #define RTE_HEAP_NAME_MAX_LEN 32
  16
  17 /* dummy definition, for pointers */
  18 struct malloc_elem;
  19
  20 /**
  21  * Structure to hold malloc heap
  22  */
  23 struct malloc_heap {
  24         rte_spinlock_t lock;
  25         LIST_HEAD(, malloc_elem) free_head[RTE_HEAP_NUM_FREELISTS];
  26         struct malloc_elem *volatile first;
  27         struct malloc_elem *volatile last;
  28
  29         unsigned alloc_count;
  30         unsigned int socket_id;
  31         size_t total_size;
  32         char name[RTE_HEAP_NAME_MAX_LEN];
  33 } __rte_cache_aligned;
  34
  35 #endif /* _RTE_MALLOC_HEAP_H_ */