1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
11 #include <rte_malloc.h>
12 #include <rte_spinlock.h>
14 /* Number of free lists per heap, grouped by size. */
15 #define RTE_HEAP_NUM_FREELISTS 13
16 #define RTE_HEAP_NAME_MAX_LEN 32
18 /* dummy definition, for pointers */
22 * Structure to hold malloc heap
26 LIST_HEAD(, malloc_elem) free_head[RTE_HEAP_NUM_FREELISTS];
27 struct malloc_elem *volatile first;
28 struct malloc_elem *volatile last;
30 unsigned int alloc_count;
31 unsigned int socket_id;
33 char name[RTE_HEAP_NAME_MAX_LEN];
34 } __rte_cache_aligned;
36 static inline unsigned
37 malloc_get_numa_socket(void)
39 unsigned socket_id = rte_socket_id();
41 if (socket_id == (unsigned)SOCKET_ID_ANY)
48 malloc_heap_alloc(const char *type, size_t size, int socket, unsigned int flags,
49 size_t align, size_t bound, bool contig);
52 malloc_heap_alloc_biggest(const char *type, int socket, unsigned int flags,
53 size_t align, bool contig);
56 malloc_heap_create(struct malloc_heap *heap, const char *heap_name);
59 malloc_heap_destroy(struct malloc_heap *heap);
61 struct rte_memseg_list *
62 malloc_heap_create_external_seg(void *va_addr, rte_iova_t iova_addrs[],
63 unsigned int n_pages, size_t page_sz, const char *seg_name,
64 unsigned int socket_id);
66 struct rte_memseg_list *
67 malloc_heap_find_external_seg(void *va_addr, size_t len);
70 malloc_heap_destroy_external_seg(struct rte_memseg_list *msl);
73 malloc_heap_add_external_memory(struct malloc_heap *heap,
74 struct rte_memseg_list *msl);
77 malloc_heap_remove_external_memory(struct malloc_heap *heap, void *va_addr,
81 malloc_heap_free(struct malloc_elem *elem);
84 malloc_heap_resize(struct malloc_elem *elem, size_t size);
87 malloc_heap_get_stats(struct malloc_heap *heap,
88 struct rte_malloc_socket_stats *socket_stats);
91 malloc_heap_dump(struct malloc_heap *heap, FILE *f);
94 malloc_socket_to_heap_id(unsigned int socket_id);
97 rte_eal_malloc_heap_init(void);
99 #endif /* MALLOC_HEAP_H_ */