24 static int vmstate_subsection_save(QEMUFile *f, const VMStateDescription *vmsd,
27 static int vmstate_subsection_load(QEMUFile *f, const VMStateDescription *vmsd,
32 vmstate_field_exists(const VMStateDescription *vmsd, const VMStateField *field,  in vmstate_field_exists()  argument
40         trace_vmstate_field_exists(vmsd->name, field->name, field->version_id,  in vmstate_field_exists()
134 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,  in vmstate_load_state()  argument
137     const VMStateField *field = vmsd->fields;  in vmstate_load_state()
140     trace_vmstate_load_state(vmsd->name, version_id);  in vmstate_load_state()
141     if (version_id > vmsd->version_id) {  in vmstate_load_state()
144                      vmsd->name, version_id, vmsd->version_id);  in vmstate_load_state()
145         trace_vmstate_load_state_end(vmsd->name, "too new", -EINVAL);  in vmstate_load_state()
148     if  (version_id < vmsd->minimum_version_id) {  in vmstate_load_state()
151                      vmsd->name, version_id, vmsd->minimum_version_id);  in vmstate_load_state()
152         trace_vmstate_load_state_end(vmsd->name, "too old", -EINVAL);  in vmstate_load_state()
155     if (vmsd->pre_load) {  in vmstate_load_state()
156         ret = vmsd->pre_load(opaque);  in vmstate_load_state()
162         bool exists = vmstate_field_exists(vmsd, field, opaque, version_id);  in vmstate_load_state()
163         trace_vmstate_load_state_field(vmsd->name, field->name, exists);  in vmstate_load_state()
194                     ret = vmstate_load_state(f, inner_field->vmsd, curr_elem,  in vmstate_load_state()
195                                              inner_field->vmsd->version_id);  in vmstate_load_state()
197                     ret = vmstate_load_state(f, inner_field->vmsd, curr_elem,  in vmstate_load_state()
214                     error_report("Failed to load %s:%s", vmsd->name,  in vmstate_load_state()
222                          vmsd->name, field->name);  in vmstate_load_state()
228     ret = vmstate_subsection_load(f, vmsd, opaque);  in vmstate_load_state()
233     if (vmsd->post_load) {  in vmstate_load_state()
234         ret = vmsd->post_load(opaque, version_id);  in vmstate_load_state()
236     trace_vmstate_load_state_end(vmsd->name, "end", ret);  in vmstate_load_state()
300         const VMStateField *sfield = field->vmsd->fields;  in vmsd_can_compress()
309         if (field->vmsd->subsections) {  in vmsd_can_compress()
318 static void vmsd_desc_field_start(const VMStateDescription *vmsd,  in vmsd_desc_field_start()  argument
333     if (!vmfield_name_is_unique(vmsd->fields, field)) {  in vmsd_desc_field_start()
334         int num = vmfield_name_num(vmsd->fields, field);  in vmsd_desc_field_start()
358 static void vmsd_desc_field_end(const VMStateDescription *vmsd,  in vmsd_desc_field_end()  argument
376 bool vmstate_section_needed(const VMStateDescription *vmsd, void *opaque)  in vmstate_section_needed()  argument
378     if (vmsd->needed && !vmsd->needed(opaque)) {  in vmstate_section_needed()
386 int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,  in vmstate_save_state()  argument
389     return vmstate_save_state_v(f, vmsd, opaque, vmdesc_id, vmsd->version_id, NULL);  in vmstate_save_state()
392 int vmstate_save_state_with_err(QEMUFile *f, const VMStateDescription *vmsd,  in vmstate_save_state_with_err()  argument
395     return vmstate_save_state_v(f, vmsd, opaque, vmdesc_id, vmsd->version_id, errp);  in vmstate_save_state_with_err()
398 int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,  in vmstate_save_state_v()  argument
402     const VMStateField *field = vmsd->fields;  in vmstate_save_state_v()
404     trace_vmstate_save_state_top(vmsd->name);  in vmstate_save_state_v()
406     if (vmsd->pre_save) {  in vmstate_save_state_v()
407         ret = vmsd->pre_save(opaque);  in vmstate_save_state_v()
408         trace_vmstate_save_state_pre_save_res(vmsd->name, ret);  in vmstate_save_state_v()
410             error_setg(errp, "pre-save failed: %s", vmsd->name);  in vmstate_save_state_v()
416         json_writer_str(vmdesc, "vmsd_name", vmsd->name);  in vmstate_save_state_v()
422         if (vmstate_field_exists(vmsd, field, opaque, version_id)) {  in vmstate_save_state_v()
430             trace_vmstate_save_state_loop(vmsd->name, field->name, n_elems);  in vmstate_save_state_v()
486                 vmsd_desc_field_start(vmsd, vmdesc_loop, inner_field,  in vmstate_save_state_v()
490                     ret = vmstate_save_state(f, inner_field->vmsd,  in vmstate_save_state_v()
493                     ret = vmstate_save_state_v(f, inner_field->vmsd,  in vmstate_save_state_v()
503                 vmsd_desc_field_end(vmsd, vmdesc_loop, inner_field,  in vmstate_save_state_v()
513                                 vmsd->name, field->name);  in vmstate_save_state_v()
514                     if (vmsd->post_save) {  in vmstate_save_state_v()
515                         vmsd->post_save(opaque);  in vmstate_save_state_v()
528                         vmsd->name, field->name);  in vmstate_save_state_v()
540     ret = vmstate_subsection_save(f, vmsd, opaque, vmdesc, errp);  in vmstate_save_state_v()
542     if (vmsd->post_save) {  in vmstate_save_state_v()
543         int ps_ret = vmsd->post_save(opaque);  in vmstate_save_state_v()
546             error_setg(errp, "post-save failed: %s", vmsd->name);  in vmstate_save_state_v()
566 static int vmstate_subsection_load(QEMUFile *f, const VMStateDescription *vmsd,  in vmstate_subsection_load()  argument
569     trace_vmstate_subsection_load(vmsd->name);  in vmstate_subsection_load()
578         if (len < strlen(vmsd->name) + 1) {  in vmstate_subsection_load()
580             trace_vmstate_subsection_load_bad(vmsd->name, "(short)", "");  in vmstate_subsection_load()
585             trace_vmstate_subsection_load_bad(vmsd->name, "(peek fail)", "");  in vmstate_subsection_load()
591         if (strncmp(vmsd->name, idstr, strlen(vmsd->name)) != 0) {  in vmstate_subsection_load()
592             trace_vmstate_subsection_load_bad(vmsd->name, idstr, "(prefix)");  in vmstate_subsection_load()
596         sub_vmsd = vmstate_get_subsection(vmsd->subsections, idstr);  in vmstate_subsection_load()
598             trace_vmstate_subsection_load_bad(vmsd->name, idstr, "(lookup)");  in vmstate_subsection_load()
608             trace_vmstate_subsection_load_bad(vmsd->name, idstr, "(child)");  in vmstate_subsection_load()
613     trace_vmstate_subsection_load_good(vmsd->name);  in vmstate_subsection_load()
617 static int vmstate_subsection_save(QEMUFile *f, const VMStateDescription *vmsd,  in vmstate_subsection_save()  argument
621     const VMStateDescription * const *sub = vmsd->subsections;  in vmstate_subsection_save()
625     trace_vmstate_subsection_save_top(vmsd->name);  in vmstate_subsection_save()
631             trace_vmstate_subsection_save_loop(vmsd->name, vmsdsub->name);  in vmstate_subsection_save()