ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
{
Object *obj;
bool ambiguous = false;
ObjectPropertyInfoList *props = NULL;
ObjectProperty *prop;
ObjectPropertyIterator *iter;
obj = object_resolve_path(path, &ambiguous);
if (obj == NULL) {
if (ambiguous) {
error_setg(errp, "Path '%s' is ambiguous", path);
} else {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", path);
}
return NULL;
}
iter = object_property_iter_init(obj);
while ((prop = object_property_iter_next(iter))) {
ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
entry->next = props;
props = entry;
entry->value->name = g_strdup(prop->name);
entry->value->type = g_strdup(prop->type);
}
object_property_iter_free(iter);
return props;
}
static void test_dummy_prop_iterator(ObjectPropertyIterator *iter)
{
bool seenbv = false, seensv = false, seenav = false, seentype = false;
ObjectProperty *prop;
while ((prop = object_property_iter_next(iter))) {
if (!seenbv && g_str_equal(prop->name, "bv")) {
seenbv = true;
} else if (!seensv && g_str_equal(prop->name, "sv")) {
seensv = true;
} else if (!seenav && g_str_equal(prop->name, "av")) {
seenav = true;
} else if (!seentype && g_str_equal(prop->name, "type")) {
/* This prop comes from the base Object class */
seentype = true;
} else {
g_printerr("Found prop '%s'\n", prop->name);
g_assert_not_reached();
}
}
g_assert(seenbv);
g_assert(seenav);
g_assert(seensv);
g_assert(seentype);
}
static void test_dummy_iterator(void)
{
Object *parent = object_get_objects_root();
DummyObject *dobj = DUMMY_OBJECT(
object_new_with_props(TYPE_DUMMY,
parent,
"dummy0",
&error_abort,
"bv", "yes",
"sv", "Hiss hiss hiss",
"av", "platypus",
NULL));
ObjectProperty *prop;
ObjectPropertyIterator *iter;
bool seenbv = false, seensv = false, seenav = false, seentype;
iter = object_property_iter_init(OBJECT(dobj));
while ((prop = object_property_iter_next(iter))) {
if (g_str_equal(prop->name, "bv")) {
seenbv = true;
} else if (g_str_equal(prop->name, "sv")) {
seensv = true;
} else if (g_str_equal(prop->name, "av")) {
seenav = true;
} else if (g_str_equal(prop->name, "type")) {
/* This prop comes from the base Object class */
seentype = true;
} else {
g_printerr("Found prop '%s'\n", prop->name);
g_assert_not_reached();
}
}
object_property_iter_free(iter);
g_assert(seenbv);
g_assert(seenav);
g_assert(seensv);
g_assert(seentype);
object_unparent(OBJECT(dobj));
}
/**
* spapr_drc_populate_dt
*
* @fdt: libfdt device tree
* @path: path in the DT to generate properties
* @owner: parent Object/DeviceState for which to generate DRC
* descriptions for
* @drc_type_mask: mask of sPAPRDRConnectorType values corresponding
* to the types of DRCs to generate entries for
*
* generate OF properties to describe DRC topology/indices to guests
*
* as documented in PAPR+ v2.1, 13.5.2
*/
int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner,
uint32_t drc_type_mask)
{
Object *root_container;
ObjectProperty *prop;
ObjectPropertyIterator *iter;
uint32_t drc_count = 0;
GArray *drc_indexes, *drc_power_domains;
GString *drc_names, *drc_types;
int ret;
/* the first entry of each properties is a 32-bit integer encoding
* the number of elements in the array. we won't know this until
* we complete the iteration through all the matching DRCs, but
* reserve the space now and set the offsets accordingly so we
* can fill them in later.
*/
drc_indexes = g_array_new(false, true, sizeof(uint32_t));
drc_indexes = g_array_set_size(drc_indexes, 1);
drc_power_domains = g_array_new(false, true, sizeof(uint32_t));
drc_power_domains = g_array_set_size(drc_power_domains, 1);
drc_names = g_string_set_size(g_string_new(NULL), sizeof(uint32_t));
drc_types = g_string_set_size(g_string_new(NULL), sizeof(uint32_t));
/* aliases for all DRConnector objects will be rooted in QOM
* composition tree at DRC_CONTAINER_PATH
*/
root_container = container_get(object_get_root(), DRC_CONTAINER_PATH);
iter = object_property_iter_init(root_container);
while ((prop = object_property_iter_next(iter))) {
Object *obj;
sPAPRDRConnector *drc;
sPAPRDRConnectorClass *drck;
uint32_t drc_index, drc_power_domain;
if (!strstart(prop->type, "link<", NULL)) {
continue;
}
obj = object_property_get_link(root_container, prop->name, NULL);
drc = SPAPR_DR_CONNECTOR(obj);
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
if (owner && (drc->owner != owner)) {
continue;
}
if ((drc->type & drc_type_mask) == 0) {
continue;
}
drc_count++;
/* ibm,drc-indexes */
drc_index = cpu_to_be32(drck->get_index(drc));
g_array_append_val(drc_indexes, drc_index);
/* ibm,drc-power-domains */
drc_power_domain = cpu_to_be32(-1);
g_array_append_val(drc_power_domains, drc_power_domain);
/* ibm,drc-names */
drc_names = g_string_append(drc_names, drck->get_name(drc));
drc_names = g_string_insert_len(drc_names, -1, "\0", 1);
/* ibm,drc-types */
drc_types = g_string_append(drc_types,
spapr_drc_get_type_str(drc->type));
drc_types = g_string_insert_len(drc_types, -1, "\0", 1);
}
object_property_iter_free(iter);
/* now write the drc count into the space we reserved at the
* beginning of the arrays previously
*/
*(uint32_t *)drc_indexes->data = cpu_to_be32(drc_count);
*(uint32_t *)drc_power_domains->data = cpu_to_be32(drc_count);
*(uint32_t *)drc_names->str = cpu_to_be32(drc_count);
*(uint32_t *)drc_types->str = cpu_to_be32(drc_count);
ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-indexes",
drc_indexes->data,
drc_indexes->len * sizeof(uint32_t));
if (ret) {
fprintf(stderr, "Couldn't create ibm,drc-indexes property\n");
goto out;
}
ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-power-domains",
drc_power_domains->data,
drc_power_domains->len * sizeof(uint32_t));
if (ret) {
fprintf(stderr, "Couldn't finalize ibm,drc-power-domains property\n");
goto out;
}
ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-names",
drc_names->str, drc_names->len);
if (ret) {
fprintf(stderr, "Couldn't finalize ibm,drc-names property\n");
goto out;
}
ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-types",
drc_types->str, drc_types->len);
if (ret) {
fprintf(stderr, "Couldn't finalize ibm,drc-types property\n");
goto out;
}
out:
g_array_free(drc_indexes, true);
g_array_free(drc_power_domains, true);
g_string_free(drc_names, true);
g_string_free(drc_types, true);
return ret;
}
