+int
+eal_memseg_list_init_named(struct rte_memseg_list *msl, const char *name,
+ uint64_t page_sz, int n_segs, int socket_id, bool heap)
+{
+ if (rte_fbarray_init(&msl->memseg_arr, name, n_segs,
+ sizeof(struct rte_memseg))) {
+ RTE_LOG(ERR, EAL, "Cannot allocate memseg list: %s\n",
+ rte_strerror(rte_errno));
+ return -1;
+ }
+
+ msl->page_sz = page_sz;
+ msl->socket_id = socket_id;
+ msl->base_va = NULL;
+ msl->heap = heap;
+
+ RTE_LOG(DEBUG, EAL,
+ "Memseg list allocated at socket %i, page size 0x%"PRIx64"kB\n",
+ socket_id, page_sz >> 10);
+
+ return 0;
+}
+
+int
+eal_memseg_list_init(struct rte_memseg_list *msl, uint64_t page_sz,
+ int n_segs, int socket_id, int type_msl_idx, bool heap)
+{
+ char name[RTE_FBARRAY_NAME_LEN];
+
+ snprintf(name, sizeof(name), MEMSEG_LIST_FMT, page_sz >> 10, socket_id,
+ type_msl_idx);
+
+ return eal_memseg_list_init_named(
+ msl, name, page_sz, n_segs, socket_id, heap);
+}
+
+int
+eal_memseg_list_alloc(struct rte_memseg_list *msl, int reserve_flags)
+{
+ size_t page_sz, mem_sz;
+ void *addr;
+
+ page_sz = msl->page_sz;
+ mem_sz = page_sz * msl->memseg_arr.len;
+
+ addr = eal_get_virtual_area(
+ msl->base_va, &mem_sz, page_sz, 0, reserve_flags);
+ if (addr == NULL) {
+#ifndef RTE_EXEC_ENV_WINDOWS
+ /* The hint would be misleading on Windows, because address
+ * is by default system-selected (base VA = 0).
+ * However, this function is called from many places,
+ * including common code, so don't duplicate the message.
+ */
+ if (rte_errno == EADDRNOTAVAIL)
+ RTE_LOG(ERR, EAL, "Cannot reserve %llu bytes at [%p] - "
+ "please use '--" OPT_BASE_VIRTADDR "' option\n",
+ (unsigned long long)mem_sz, msl->base_va);
+#endif
+ return -1;
+ }
+ msl->base_va = addr;
+ msl->len = mem_sz;
+
+ RTE_LOG(DEBUG, EAL, "VA reserved for memseg list at %p, size %zx\n",
+ addr, mem_sz);
+
+ return 0;
+}
+
+void
+eal_memseg_list_populate(struct rte_memseg_list *msl, void *addr, int n_segs)
+{
+ size_t page_sz = msl->page_sz;
+ int i;
+
+ for (i = 0; i < n_segs; i++) {
+ struct rte_fbarray *arr = &msl->memseg_arr;
+ struct rte_memseg *ms = rte_fbarray_get(arr, i);
+
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ ms->iova = (uintptr_t)addr;
+ else
+ ms->iova = RTE_BAD_IOVA;
+ ms->addr = addr;
+ ms->hugepage_sz = page_sz;
+ ms->socket_id = 0;
+ ms->len = page_sz;
+
+ rte_fbarray_set_used(arr, i);
+
+ addr = RTE_PTR_ADD(addr, page_sz);
+ }
+}
+