7a33572057
The private headers are compiled internally with a C compiler. Thus extern "C" declaration is useless in such files. Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation
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*/
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#ifndef MALLOC_HEAP_H_
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#define MALLOC_HEAP_H_
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#include <stdbool.h>
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#include <sys/queue.h>
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#include <rte_malloc.h>
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#include <rte_spinlock.h>
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/* Number of free lists per heap, grouped by size. */
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#define RTE_HEAP_NUM_FREELISTS 13
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#define RTE_HEAP_NAME_MAX_LEN 32
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/* dummy definition, for pointers */
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struct malloc_elem;
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/**
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* Structure to hold malloc heap
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*/
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struct malloc_heap {
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rte_spinlock_t lock;
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LIST_HEAD(, malloc_elem) free_head[RTE_HEAP_NUM_FREELISTS];
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struct malloc_elem *volatile first;
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struct malloc_elem *volatile last;
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unsigned int alloc_count;
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unsigned int socket_id;
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size_t total_size;
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char name[RTE_HEAP_NAME_MAX_LEN];
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} __rte_cache_aligned;
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static inline unsigned
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malloc_get_numa_socket(void)
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{
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unsigned socket_id = rte_socket_id();
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if (socket_id == (unsigned)SOCKET_ID_ANY)
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return 0;
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return socket_id;
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}
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void *
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malloc_heap_alloc(const char *type, size_t size, int socket, unsigned int flags,
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size_t align, size_t bound, bool contig);
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void *
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malloc_heap_alloc_biggest(const char *type, int socket, unsigned int flags,
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size_t align, bool contig);
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int
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malloc_heap_create(struct malloc_heap *heap, const char *heap_name);
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int
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malloc_heap_destroy(struct malloc_heap *heap);
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struct rte_memseg_list *
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malloc_heap_create_external_seg(void *va_addr, rte_iova_t iova_addrs[],
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unsigned int n_pages, size_t page_sz, const char *seg_name,
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unsigned int socket_id);
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struct rte_memseg_list *
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malloc_heap_find_external_seg(void *va_addr, size_t len);
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int
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malloc_heap_destroy_external_seg(struct rte_memseg_list *msl);
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int
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malloc_heap_add_external_memory(struct malloc_heap *heap,
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struct rte_memseg_list *msl);
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int
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malloc_heap_remove_external_memory(struct malloc_heap *heap, void *va_addr,
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size_t len);
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int
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malloc_heap_free(struct malloc_elem *elem);
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int
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malloc_heap_resize(struct malloc_elem *elem, size_t size);
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int
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malloc_heap_get_stats(struct malloc_heap *heap,
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struct rte_malloc_socket_stats *socket_stats);
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void
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malloc_heap_dump(struct malloc_heap *heap, FILE *f);
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int
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malloc_socket_to_heap_id(unsigned int socket_id);
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int
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rte_eal_malloc_heap_init(void);
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#endif /* MALLOC_HEAP_H_ */
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