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 static inline unsigned 37 malloc_get_numa_socket(void) 38 { 39 unsigned socket_id = rte_socket_id(); 40 41 if (socket_id == (unsigned)SOCKET_ID_ANY) 42 return 0; 43 44 return socket_id; 45 } 46 47 void * 48 malloc_heap_alloc(const char *type, size_t size, int socket, unsigned int flags, 49 size_t align, size_t bound, bool contig); 50 51 void * 52 malloc_heap_alloc_biggest(const char *type, int socket, unsigned int flags, 53 size_t align, bool contig); 54 55 int 56 malloc_heap_create(struct malloc_heap *heap, const char *heap_name); 57 58 int 59 malloc_heap_destroy(struct malloc_heap *heap); 60 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); 65 66 struct rte_memseg_list * 67 malloc_heap_find_external_seg(void *va_addr, size_t len); 68 69 int 70 malloc_heap_destroy_external_seg(struct rte_memseg_list *msl); 71 72 int 73 malloc_heap_add_external_memory(struct malloc_heap *heap, 74 struct rte_memseg_list *msl); 75 76 int 77 malloc_heap_remove_external_memory(struct malloc_heap *heap, void *va_addr, 78 size_t len); 79 80 int 81 malloc_heap_free(struct malloc_elem *elem); 82 83 int 84 malloc_heap_resize(struct malloc_elem *elem, size_t size); 85 86 int 87 malloc_heap_get_stats(struct malloc_heap *heap, 88 struct rte_malloc_socket_stats *socket_stats); 89 90 void 91 malloc_heap_dump(struct malloc_heap *heap, FILE *f); 92 93 int 94 malloc_socket_to_heap_id(unsigned int socket_id); 95 96 int 97 rte_eal_malloc_heap_init(void); 98 99 #endif /* MALLOC_HEAP_H_ */ 100