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;
40 static inline unsigned
41 malloc_get_numa_socket(void)
43 unsigned socket_id = rte_socket_id();
45 if (socket_id == (unsigned)SOCKET_ID_ANY)
52 malloc_heap_alloc(const char *type, size_t size, int socket, unsigned int flags,
53 size_t align, size_t bound, bool contig);
56 malloc_heap_alloc_biggest(const char *type, int socket, unsigned int flags,
57 size_t align, bool contig);
60 malloc_heap_create(struct malloc_heap *heap, const char *heap_name);
63 malloc_heap_destroy(struct malloc_heap *heap);
65 struct rte_memseg_list *
66 malloc_heap_create_external_seg(void *va_addr, rte_iova_t iova_addrs[],
67 unsigned int n_pages, size_t page_sz, const char *seg_name,
68 unsigned int socket_id);
70 struct rte_memseg_list *
71 malloc_heap_find_external_seg(void *va_addr, size_t len);
74 malloc_heap_destroy_external_seg(struct rte_memseg_list *msl);
77 malloc_heap_add_external_memory(struct malloc_heap *heap,
78 struct rte_memseg_list *msl);
81 malloc_heap_remove_external_memory(struct malloc_heap *heap, void *va_addr,
85 malloc_heap_free(struct malloc_elem *elem);
88 malloc_heap_resize(struct malloc_elem *elem, size_t size);
91 malloc_heap_get_stats(struct malloc_heap *heap,
92 struct rte_malloc_socket_stats *socket_stats);
95 malloc_heap_dump(struct malloc_heap *heap, FILE *f);
98 malloc_socket_to_heap_id(unsigned int socket_id);
101 rte_eal_malloc_heap_init(void);
107 #endif /* MALLOC_HEAP_H_ */