slot_add_mem_req
struct slot_add_mem_req slot_add_mem_req = {};
slot_add_mem_req.slot_uid = ne_enclave->slot_uid;
slot_add_mem_req.paddr = phys_contig_mem_regions.regions[i].start;
slot_add_mem_req.size = range_len(&phys_contig_mem_regions.regions[i]);
&slot_add_mem_req, sizeof(slot_add_mem_req),
ne_enclave->mem_size += slot_add_mem_req.size;