-/* Convert guest physical address to host physical address */
-static __rte_always_inline rte_iova_t
-gpa_to_hpa(struct virtio_net *dev, uint64_t gpa, uint64_t size)
-{
- uint32_t i;
- struct guest_page *page;
- struct guest_page key;
-
- if (dev->nr_guest_pages >= VHOST_BINARY_SEARCH_THRESH) {
- key.guest_phys_addr = gpa;
- page = bsearch(&key, dev->guest_pages, dev->nr_guest_pages,
- sizeof(struct guest_page), guest_page_addrcmp);
- if (page) {
- if (gpa + size < page->guest_phys_addr + page->size)
- return gpa - page->guest_phys_addr +
- page->host_phys_addr;
- }
- } else {
- for (i = 0; i < dev->nr_guest_pages; i++) {
- page = &dev->guest_pages[i];
-
- if (gpa >= page->guest_phys_addr &&
- gpa + size < page->guest_phys_addr +
- page->size)
- return gpa - page->guest_phys_addr +
- page->host_phys_addr;
- }
- }
-
- return 0;
-}
-