1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #ifndef MALLOC_HEAP_H_ 6 #define MALLOC_HEAP_H_ 7 8 #include <stdbool.h> 9 #include <sys/queue.h> 10 11 #include <rte_malloc.h> 12 #include <rte_spinlock.h> 13 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 17 18 /* dummy definition, for pointers */ 19 struct malloc_elem; 20 21 /** 22 * Structure to hold malloc heap 23 */ 24 struct __rte_cache_aligned malloc_heap { 25 rte_spinlock_t lock; 26 LIST_HEAD(, malloc_elem) free_head[RTE_HEAP_NUM_FREELISTS]; 27 struct malloc_elem *volatile first; 28 struct malloc_elem *volatile last; 29 30 unsigned int alloc_count; 31 unsigned int socket_id; 32 size_t total_size; 33 char name[RTE_HEAP_NAME_MAX_LEN]; 34 }; 35 36 void * 37 malloc_heap_alloc(size_t size, int socket, unsigned int flags, size_t align, 38 size_t bound, bool contig); 39 40 void * 41 malloc_heap_alloc_biggest(int socket, unsigned int flags, size_t align, bool contig); 42 43 int 44 malloc_heap_create(struct malloc_heap *heap, const char *heap_name); 45 46 int 47 malloc_heap_destroy(struct malloc_heap *heap); 48 49 struct rte_memseg_list * 50 malloc_heap_create_external_seg(void *va_addr, rte_iova_t iova_addrs[], 51 unsigned int n_pages, size_t page_sz, const char *seg_name, 52 unsigned int socket_id); 53 54 struct rte_memseg_list * 55 malloc_heap_find_external_seg(void *va_addr, size_t len); 56 57 int 58 malloc_heap_destroy_external_seg(struct rte_memseg_list *msl); 59 60 int 61 malloc_heap_add_external_memory(struct malloc_heap *heap, 62 struct rte_memseg_list *msl); 63 64 int 65 malloc_heap_remove_external_memory(struct malloc_heap *heap, void *va_addr, 66 size_t len); 67 68 int 69 malloc_heap_free(struct malloc_elem *elem); 70 71 int 72 malloc_heap_resize(struct malloc_elem *elem, size_t size); 73 74 int 75 malloc_heap_get_stats(struct malloc_heap *heap, 76 struct rte_malloc_socket_stats *socket_stats); 77 78 void 79 malloc_heap_dump(struct malloc_heap *heap, FILE *f); 80 81 int 82 malloc_socket_to_heap_id(unsigned int socket_id); 83 84 int 85 rte_eal_malloc_heap_init(void); 86 87 int 88 rte_eal_malloc_heap_populate(void); 89 90 void 91 rte_eal_malloc_heap_cleanup(void); 92 93 #endif /* MALLOC_HEAP_H_ */ 94