qdev: Introduce FWPathProvider interface
[qemu.git] / hw / core / fw-path-provider.c
1 /*
2 * Firmware patch provider class and helpers.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; under version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, see <http://www.gnu.org/licenses/>.
15 */
16
17 #include "hw/fw-path-provider.h"
18
19 char *fw_path_provider_get_dev_path(FWPathProvider *p, BusState *bus,
20 DeviceState *dev)
21 {
22 FWPathProviderClass *k = FW_PATH_PROVIDER_GET_CLASS(p);
23
24 return k->get_dev_path(p, bus, dev);
25 }
26
27 char *fw_path_provider_try_get_dev_path(Object *o, BusState *bus,
28 DeviceState *dev)
29 {
30 FWPathProvider *p = (FWPathProvider *)
31 object_dynamic_cast(o, TYPE_FW_PATH_PROVIDER);
32
33 if (p) {
34 return fw_path_provider_get_dev_path(p, bus, dev);
35 }
36
37 return NULL;
38 }
39
40 static const TypeInfo fw_path_provider_info = {
41 .name = TYPE_FW_PATH_PROVIDER,
42 .parent = TYPE_INTERFACE,
43 .class_size = sizeof(FWPathProviderClass),
44 };
45
46 static void fw_path_provider_register_types(void)
47 {
48 type_register_static(&fw_path_provider_info);
49 }
50
51 type_init(fw_path_provider_register_types)