Function test_malloc_basic

dpdk/app/test/test_external_mem.c:280–403

}

static int
test_malloc_basic(void *addr, size_t len, size_t pgsz, rte_iova_t *iova,
		int n_pages)
{
	const char *heap_name = "heap";
	void *ptr = NULL;
	int socket_id;
	const struct rte_memzone *mz = NULL, *contig_mz = NULL;

	/* create heap */
	if (rte_malloc_heap_create(heap_name) != 0) {
		printf("%s():%i: Failed to create malloc heap\n",
			__func__, __LINE__);
		goto fail;
	}

	/* get socket ID corresponding to this heap */
	socket_id = rte_malloc_heap_get_socket(heap_name);
	if (socket_id < 0) {
		printf("%s():%i: cannot find socket for external heap\n",
			__func__, __LINE__);
		goto fail;
	}

	/* heap is empty, so any allocation should fail */
	ptr = rte_malloc_socket("EXTMEM", 64, 0, socket_id);
	if (ptr != NULL) {
		printf("%s():%i: Allocated from empty heap\n", __func__,
			__LINE__);
		goto fail;
	}

	/* add memory to heap */
	if (rte_malloc_heap_memory_add(heap_name, addr, len,
			iova, n_pages, pgsz) != 0) {
		printf("%s():%i: Failed to add memory to heap\n",
			__func__, __LINE__);
		goto fail;
	}

	/* check if memory is accessible from EAL */
	if (check_mem(addr, iova, pgsz, n_pages) < 0)
		goto fail;

	/* allocate - this now should succeed */
	ptr = rte_malloc_socket("EXTMEM", 64, 0, socket_id);
	if (ptr == NULL) {
		printf("%s():%i: Failed to allocate from external heap\n",
			__func__, __LINE__);
		goto fail;
	}

	/* check if address is in expected range */
	if (ptr < addr || ptr >= RTE_PTR_ADD(addr, len)) {
		printf("%s():%i: Allocated from unexpected address space\n",
			__func__, __LINE__);
		goto fail;
	}