36 	struct folio *fdt;  member
59 	err |= kho_preserve_folio(state->fdt);  in kho_test_notifier()
60 	err |= kho_add_subtree(ser, KHO_TEST_FDT, folio_address(state->fdt));  in kho_test_notifier()
69 static int kho_test_save_data(struct kho_test_state *state, void *fdt)  in kho_test_save_data()  argument
94 	err |= fdt_begin_node(fdt, "data");  in kho_test_save_data()
95 	err |= fdt_property(fdt, "nr_folios", &state->nr_folios,  in kho_test_save_data()
97 	err |= fdt_property(fdt, "folios_info", &folios_info_phys,  in kho_test_save_data()
99 	err |= fdt_property(fdt, "csum", &state->csum, sizeof(state->csum));  in kho_test_save_data()
100 	err |= fdt_end_node(fdt);  in kho_test_save_data()
114 	void *fdt;  in kho_test_prepare_fdt()  local
117 	state->fdt = folio_alloc(GFP_KERNEL, get_order(fdt_size));  in kho_test_prepare_fdt()
118 	if (!state->fdt)  in kho_test_prepare_fdt()
121 	fdt = folio_address(state->fdt);  in kho_test_prepare_fdt()
123 	err |= fdt_create(fdt, fdt_size);  in kho_test_prepare_fdt()
124 	err |= fdt_finish_reservemap(fdt);  in kho_test_prepare_fdt()
126 	err |= fdt_begin_node(fdt, "");  in kho_test_prepare_fdt()
127 	err |= fdt_property(fdt, "compatible", compatible, sizeof(compatible));  in kho_test_prepare_fdt()
128 	err |= fdt_property(fdt, "magic", &magic, sizeof(magic));  in kho_test_prepare_fdt()
129 	err |= kho_test_save_data(state, fdt);  in kho_test_prepare_fdt()
130 	err |= fdt_end_node(fdt);  in kho_test_prepare_fdt()
132 	err |= fdt_finish(fdt);  in kho_test_prepare_fdt()
135 		folio_put(state->fdt);  in kho_test_prepare_fdt()
213 	folio_put(state->fdt);  in kho_test_save()
219 static int kho_test_restore_data(const void *fdt, int node)  in kho_test_restore_data()  argument
228 	node = fdt_path_offset(fdt, "/data");  in kho_test_restore_data()
230 	nr_folios = fdt_getprop(fdt, node, "nr_folios", &len);  in kho_test_restore_data()
234 	old_csum = fdt_getprop(fdt, node, "csum", &len);  in kho_test_restore_data()
238 	folios_info_phys = fdt_getprop(fdt, node, "folios_info", &len);  in kho_test_restore_data()
273 	void *fdt = phys_to_virt(fdt_phys);  in kho_test_restore()  local
277 	node = fdt_path_offset(fdt, "/");  in kho_test_restore()
281 	if (fdt_node_check_compatible(fdt, node, KHO_TEST_COMPAT))  in kho_test_restore()
284 	magic = fdt_getprop(fdt, node, "magic", &len);  in kho_test_restore()
291 	err = kho_test_restore_data(fdt, node);  in kho_test_restore()
309 		pr_warn("failed to retrieve %s FDT: %d\n", KHO_TEST_FDT, err);  in kho_test_init()
324 	folio_put(kho_test_state.fdt);  in kho_test_cleanup()