+
+/*
+ * when we initialize the hugepage info, everything goes
+ * to socket 0 by default. it will later get sorted by memory
+ * initialization procedure.
+ */
+int
+eal_hugepage_info_init(void)
+{
+ struct hugepage_info *hpi, *tmp_hpi;
+ unsigned int i;
+
+ if (hugepage_info_init() < 0)
+ return -1;
+
+ /* for no shared files mode, we're done */
+ if (internal_config.no_shconf)
+ return 0;
+
+ hpi = &internal_config.hugepage_info[0];
+
+ tmp_hpi = create_shared_memory(eal_hugepage_info_path(),
+ sizeof(internal_config.hugepage_info));
+ if (tmp_hpi == NULL) {
+ RTE_LOG(ERR, EAL, "Failed to create shared memory!\n");
+ return -1;
+ }
+
+ memcpy(tmp_hpi, hpi, sizeof(internal_config.hugepage_info));
+
+ /* we've copied file descriptors along with everything else, but they
+ * will be invalid in secondary process, so overwrite them
+ */
+ for (i = 0; i < RTE_DIM(internal_config.hugepage_info); i++) {
+ struct hugepage_info *tmp = &tmp_hpi[i];
+ tmp->lock_descriptor = -1;
+ }
+
+ if (munmap(tmp_hpi, sizeof(internal_config.hugepage_info)) < 0) {
+ RTE_LOG(ERR, EAL, "Failed to unmap shared memory!\n");
+ return -1;
+ }
+ return 0;
+}
+
+int eal_hugepage_info_read(void)
+{
+ struct hugepage_info *hpi = &internal_config.hugepage_info[0];
+ struct hugepage_info *tmp_hpi;
+
+ tmp_hpi = open_shared_memory(eal_hugepage_info_path(),
+ sizeof(internal_config.hugepage_info));
+ if (tmp_hpi == NULL) {
+ RTE_LOG(ERR, EAL, "Failed to open shared memory!\n");
+ return -1;
+ }
+
+ memcpy(hpi, tmp_hpi, sizeof(internal_config.hugepage_info));
+
+ if (munmap(tmp_hpi, sizeof(internal_config.hugepage_info)) < 0) {
+ RTE_LOG(ERR, EAL, "Failed to unmap shared memory!\n");
+ return -1;
+ }
+ return 0;
+}