Function rte_malloc_virt2iova

dpdk/lib/eal/common/rte_malloc.c:358–378

* Return the IO address of a virtual address obtained through rte_malloc */

 * Return the IO address of a virtual address obtained through rte_malloc
 */
rte_iova_t
rte_malloc_virt2iova(const void *addr)
{
	const struct rte_memseg *ms;
	struct malloc_elem *elem = malloc_elem_from_data(addr);

	if (elem == NULL)
		return RTE_BAD_IOVA;

	if (!elem->msl->external && rte_eal_iova_mode() == RTE_IOVA_VA)
		return (uintptr_t) addr;

	ms = rte_mem_virt2memseg(addr, elem->msl);
	if (ms == NULL)
		return RTE_BAD_IOVA;

	if (ms->iova == RTE_BAD_IOVA)
		return RTE_BAD_IOVA;

	return ms->iova + RTE_PTR_DIFF(addr, ms->addr);
}

static struct malloc_heap *
find_named_heap(const char *name)