diff options
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/vmstate.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/migration/vmstate.c b/migration/vmstate.c index 0b3282c9df..f0b07f4ea1 100644 --- a/migration/vmstate.c +++ b/migration/vmstate.c @@ -136,6 +136,9 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, } else if (field->flags & VMS_STRUCT) { ret = vmstate_load_state(f, field->vmsd, curr_elem, field->vmsd->version_id); + } else if (field->flags & VMS_VSTRUCT) { + ret = vmstate_load_state(f, field->vmsd, curr_elem, + field->struct_version_id); } else { ret = field->info->get(f, curr_elem, size, field); } @@ -209,6 +212,8 @@ static const char *vmfield_get_type_name(VMStateField *field) if (field->flags & VMS_STRUCT) { type = "struct"; + } else if (field->flags & VMS_VSTRUCT) { + type = "vstruct"; } else if (field->info->name) { type = field->info->name; } @@ -309,7 +314,13 @@ bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque) int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, - void *opaque, QJSON *vmdesc) + void *opaque, QJSON *vmdesc_id) +{ + return vmstate_save_state_v(f, vmsd, opaque, vmdesc_id, vmsd->version_id); +} + +int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, + void *opaque, QJSON *vmdesc, int version_id) { int ret = 0; VMStateField *field = vmsd->fields; @@ -327,13 +338,15 @@ int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, if (vmdesc) { json_prop_str(vmdesc, "vmsd_name", vmsd->name); - json_prop_int(vmdesc, "version", vmsd->version_id); + json_prop_int(vmdesc, "version", version_id); json_start_array(vmdesc, "fields"); } while (field->name) { - if (!field->field_exists || - field->field_exists(opaque, vmsd->version_id)) { + if ((field->field_exists && + field->field_exists(opaque, version_id)) || + (!field->field_exists && + field->version_id <= version_id)) { void *first_elem = opaque + field->offset; int i, n_elems = vmstate_n_elems(opaque, field); int size = vmstate_size(opaque, field); @@ -363,6 +376,10 @@ int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, } else if (field->flags & VMS_STRUCT) { ret = vmstate_save_state(f, field->vmsd, curr_elem, vmdesc_loop); + } else if (field->flags & VMS_VSTRUCT) { + ret = vmstate_save_state_v(f, field->vmsd, curr_elem, + vmdesc_loop, + field->struct_version_id); } else { ret = field->info->put(f, curr_elem, size, field, vmdesc_loop); |