struct json_object *util_mapping_to_json(struct ndctl_mapping *mapping)
{
struct json_object *jmapping = json_object_new_object();
struct ndctl_dimm *dimm = ndctl_mapping_get_dimm(mapping);
struct json_object *jobj;
if (!jmapping)
return NULL;
jobj = json_object_new_string(ndctl_dimm_get_devname(dimm));
if (!jobj)
goto err;
json_object_object_add(jmapping, "dimm", jobj);
jobj = json_object_new_int64(ndctl_mapping_get_offset(mapping));
if (!jobj)
goto err;
json_object_object_add(jmapping, "offset", jobj);
jobj = json_object_new_int64(ndctl_mapping_get_length(mapping));
if (!jobj)
goto err;
json_object_object_add(jmapping, "length", jobj);
return jmapping;
err:
json_object_put(jmapping);
return NULL;
}
static struct json_object *region_to_json(struct ndctl_region *region)
{
struct json_object *jregion = json_object_new_object();
struct json_object *jobj, *jmappings = NULL;
struct ndctl_interleave_set *iset;
struct ndctl_mapping *mapping;
if (!jregion)
return NULL;
jobj = json_object_new_string(ndctl_region_get_devname(region));
if (!jobj)
goto err;
json_object_object_add(jregion, "dev", jobj);
jobj = json_object_new_int64(ndctl_region_get_size(region));
if (!jobj)
goto err;
json_object_object_add(jregion, "size", jobj);
jobj = json_object_new_int64(ndctl_region_get_available_size(region));
if (!jobj)
goto err;
json_object_object_add(jregion, "available_size", jobj);
switch (ndctl_region_get_type(region)) {
case ND_DEVICE_REGION_PMEM:
jobj = json_object_new_string("pmem");
break;
case ND_DEVICE_REGION_BLK:
jobj = json_object_new_string("blk");
break;
default:
jobj = NULL;
}
if (!jobj)
goto err;
json_object_object_add(jregion, "type", jobj);
iset = ndctl_region_get_interleave_set(region);
if (iset) {
jobj = json_object_new_int64(
ndctl_interleave_set_get_cookie(iset));
if (!jobj)
fail("\n");
else
json_object_object_add(jregion, "iset_id", jobj);
}
ndctl_mapping_foreach(region, mapping) {
struct ndctl_dimm *dimm = ndctl_mapping_get_dimm(mapping);
struct json_object *jmapping;
if (!list.dimms)
break;
if (!list.idle && !ndctl_dimm_is_enabled(dimm))
continue;
if (!jmappings) {
jmappings = json_object_new_array();
if (!jmappings) {
fail("\n");
continue;
}
json_object_object_add(jregion, "mappings", jmappings);
}
jmapping = util_mapping_to_json(mapping);
if (!jmapping) {
fail("\n");
continue;
}
json_object_array_add(jmappings, jmapping);
}
if (!ndctl_region_is_enabled(region)) {
jobj = json_object_new_string("disabled");
if (!jobj)
goto err;
json_object_object_add(jregion, "state", jobj);
}
list_namespaces(region, jregion, NULL, false);
return jregion;
err:
fail("\n");
json_object_put(jregion);
return NULL;
}
