xref: /openbmc/qemu/hw/core/fw-path-provider.c (revision 09a274d8)
1 /*
2  *  Firmware path 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; either version 2 of the License,
7  *  or (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include "qemu/osdep.h"
19 #include "hw/fw-path-provider.h"
20 
21 char *fw_path_provider_get_dev_path(FWPathProvider *p, BusState *bus,
22                                     DeviceState *dev)
23 {
24     FWPathProviderClass *k = FW_PATH_PROVIDER_GET_CLASS(p);
25 
26     return k->get_dev_path(p, bus, dev);
27 }
28 
29 char *fw_path_provider_try_get_dev_path(Object *o, BusState *bus,
30                                         DeviceState *dev)
31 {
32     FWPathProvider *p = (FWPathProvider *)
33         object_dynamic_cast(o, TYPE_FW_PATH_PROVIDER);
34 
35     if (p) {
36         return fw_path_provider_get_dev_path(p, bus, dev);
37     }
38 
39     return NULL;
40 }
41 
42 static const TypeInfo fw_path_provider_info = {
43     .name          = TYPE_FW_PATH_PROVIDER,
44     .parent        = TYPE_INTERFACE,
45     .class_size    = sizeof(FWPathProviderClass),
46 };
47 
48 static void fw_path_provider_register_types(void)
49 {
50     type_register_static(&fw_path_provider_info);
51 }
52 
53 type_init(fw_path_provider_register_types)
54