+
+static int
+secondary_msl_create_walk(const struct rte_memseg_list *msl,
+ void *arg __rte_unused)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ struct rte_memseg_list *primary_msl, *local_msl;
+ char name[PATH_MAX];
+ int msl_idx, ret;
+
+ msl_idx = msl - mcfg->memsegs;
+ primary_msl = &mcfg->memsegs[msl_idx];
+ local_msl = &local_memsegs[msl_idx];
+
+ /* create distinct fbarrays for each secondary */
+ snprintf(name, RTE_FBARRAY_NAME_LEN, "%s_%i",
+ primary_msl->memseg_arr.name, getpid());
+
+ ret = rte_fbarray_init(&local_msl->memseg_arr, name,
+ primary_msl->memseg_arr.len,
+ primary_msl->memseg_arr.elt_sz);
+ if (ret < 0) {
+ RTE_LOG(ERR, EAL, "Cannot initialize local memory map\n");
+ return -1;
+ }
+ local_msl->base_va = primary_msl->base_va;
+
+ return 0;
+}
+
+static int
+secondary_lock_list_create_walk(const struct rte_memseg_list *msl,
+ void *arg __rte_unused)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ unsigned int i, len;
+ int msl_idx;
+ int *data;
+
+ msl_idx = msl - mcfg->memsegs;
+ len = msl->memseg_arr.len;
+
+ /* ensure we have space to store lock fd per each possible segment */
+ data = malloc(sizeof(int) * len);
+ if (data == NULL) {
+ RTE_LOG(ERR, EAL, "Unable to allocate space for lock descriptors\n");
+ return -1;
+ }
+ /* set all fd's as invalid */
+ for (i = 0; i < len; i++)
+ data[i] = -1;
+
+ lock_fds[msl_idx].fds = data;
+ lock_fds[msl_idx].len = len;
+ lock_fds[msl_idx].count = 0;
+ lock_fds[msl_idx].memseg_list_fd = -1;
+
+ return 0;
+}
+
+int
+eal_memalloc_init(void)
+{
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+ if (rte_memseg_list_walk(secondary_msl_create_walk, NULL) < 0)
+ return -1;
+
+ /* initialize all of the lock fd lists */
+ if (internal_config.single_file_segments)
+ if (rte_memseg_list_walk(secondary_lock_list_create_walk, NULL))
+ return -1;
+ return 0;
+}