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 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 static inline unsigned 41 malloc_get_numa_socket(void) 42 { 43 unsigned socket_id = rte_socket_id(); 44 45 if (socket_id == (unsigned)SOCKET_ID_ANY) 46 return 0; 47 48 return socket_id; 49 } 50 51 void * 52 malloc_heap_alloc(const char *type, size_t size, int socket, unsigned int flags, 53 size_t align, size_t bound, bool contig); 54 55 void * 56 malloc_heap_alloc_biggest(const char *type, int socket, unsigned int flags, 57 size_t align, bool contig); 58 59 int 60 malloc_heap_create(struct malloc_heap *heap, const char *heap_name); 61 62 int 63 malloc_heap_destroy(struct malloc_heap *heap); 64 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); 69 70 struct rte_memseg_list * 71 malloc_heap_find_external_seg(void *va_addr, size_t len); 72 73 int 74 malloc_heap_destroy_external_seg(struct rte_memseg_list *msl); 75 76 int 77 malloc_heap_add_external_memory(struct malloc_heap *heap, 78 struct rte_memseg_list *msl); 79 80 int 81 malloc_heap_remove_external_memory(struct malloc_heap *heap, void *va_addr, 82 size_t len); 83 84 int 85 malloc_heap_free(struct malloc_elem *elem); 86 87 int 88 malloc_heap_resize(struct malloc_elem *elem, size_t size); 89 90 int 91 malloc_heap_get_stats(struct malloc_heap *heap, 92 struct rte_malloc_socket_stats *socket_stats); 93 94 void 95 malloc_heap_dump(struct malloc_heap *heap, FILE *f); 96 97 int 98 malloc_socket_to_heap_id(unsigned int socket_id); 99 100 int 101 rte_eal_malloc_heap_init(void); 102 103 #ifdef __cplusplus 104 } 105 #endif 106 107 #endif /* MALLOC_HEAP_H_ */ 108