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 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 } __rte_cache_aligned; 35 36 void * 37 malloc_heap_alloc(const char *type, size_t size, int socket, unsigned int flags, 38 size_t align, size_t bound, bool contig); 39 40 void * 41 malloc_heap_alloc_biggest(const char *type, int socket, unsigned int flags, 42 size_t align, bool contig); 43 44 int 45 malloc_heap_create(struct malloc_heap *heap, const char *heap_name); 46 47 int 48 malloc_heap_destroy(struct malloc_heap *heap); 49 50 struct rte_memseg_list * 51 malloc_heap_create_external_seg(void *va_addr, rte_iova_t iova_addrs[], 52 unsigned int n_pages, size_t page_sz, const char *seg_name, 53 unsigned int socket_id); 54 55 struct rte_memseg_list * 56 malloc_heap_find_external_seg(void *va_addr, size_t len); 57 58 int 59 malloc_heap_destroy_external_seg(struct rte_memseg_list *msl); 60 61 int 62 malloc_heap_add_external_memory(struct malloc_heap *heap, 63 struct rte_memseg_list *msl); 64 65 int 66 malloc_heap_remove_external_memory(struct malloc_heap *heap, void *va_addr, 67 size_t len); 68 69 int 70 malloc_heap_free(struct malloc_elem *elem); 71 72 int 73 malloc_heap_resize(struct malloc_elem *elem, size_t size); 74 75 int 76 malloc_heap_get_stats(struct malloc_heap *heap, 77 struct rte_malloc_socket_stats *socket_stats); 78 79 void 80 malloc_heap_dump(struct malloc_heap *heap, FILE *f); 81 82 int 83 malloc_socket_to_heap_id(unsigned int socket_id); 84 85 int 86 rte_eal_malloc_heap_init(void); 87 88 #endif /* MALLOC_HEAP_H_ */ 89