Function rte_malloc_heap_memory_add

dpdk/lib/eal/common/rte_malloc.c:395–448

}

int
rte_malloc_heap_memory_add(const char *heap_name, void *va_addr, size_t len,
		rte_iova_t iova_addrs[], unsigned int n_pages, size_t page_sz)
{
	struct malloc_heap *heap = NULL;
	struct rte_memseg_list *msl;
	unsigned int n;
	int ret;

	if (heap_name == NULL || va_addr == NULL ||
			page_sz == 0 || !rte_is_power_of_2(page_sz) ||
			RTE_ALIGN(len, page_sz) != len ||
			!rte_is_aligned(va_addr, page_sz) ||
			((len / page_sz) != n_pages && iova_addrs != NULL) ||
			strnlen(heap_name, RTE_HEAP_NAME_MAX_LEN) == 0 ||
			strnlen(heap_name, RTE_HEAP_NAME_MAX_LEN) ==
				RTE_HEAP_NAME_MAX_LEN) {
		rte_errno = EINVAL;
		return -1;
	}
	rte_mcfg_mem_write_lock();

	/* find our heap */
	heap = find_named_heap(heap_name);
	if (heap == NULL) {
		rte_errno = ENOENT;
		ret = -1;
		goto unlock;
	}
	if (heap->socket_id < RTE_MAX_NUMA_NODES) {
		/* cannot add memory to internal heaps */
		rte_errno = EPERM;
		ret = -1;
		goto unlock;
	}
	n = len / page_sz;

	msl = malloc_heap_create_external_seg(va_addr, iova_addrs, n, page_sz,
			heap_name, heap->socket_id);
	if (msl == NULL) {
		ret = -1;
		goto unlock;
	}

	rte_spinlock_lock(&heap->lock);
	ret = malloc_heap_add_external_memory(heap, msl);
	msl->heap = 1; /* mark it as heap segment */
	rte_spinlock_unlock(&heap->lock);

unlock:
	rte_mcfg_mem_write_unlock();

	return ret;
}

int
rte_malloc_heap_memory_remove(const char *heap_name, void *va_addr, size_t len)