openbmc/qemu/block.c

350  * Therefore, a return value of NULL without @errp set means that
1050  * Set the current 'total_sectors' value
1088  * from @old_options, so that leaving out an option defaults to its old value.
1106     char *value = qemu_opt_get_del(opts, "detect-zeroes");
1108         qapi_enum_parse(&BlockdevDetectZeroesOptions_lookup, value,
1111     g_free(value);
4317                        "to its default value", e->key);
4411     /* Old explicitly set values (don't overwrite by inherited value) */
4467      * options must be reset to their original value. We don't allow
4697  * Take a BDRVReopenState and check if the value of 'backing' in the
4731     QObject *value;
4738     value = qdict_get(reopen_state->options, child_name);
4739     if (value == NULL) {
4745     switch (qobject_type(value)) {
4747         assert(is_backing); /* The 'file' option does not allow a null value */
4751         str = qstring_get_str(qobject_to(QString, value));
4933          * should reset it to its default value.
4986      * Allow changing the 'backing' option. The new value can be
5014             QObject *new = entry->value;
7964  * and "driver".  The caller is expected to use this value to decide
8433      * always return a non-NULL value (given a non-NULL @bs).