xref: /openbmc/qemu/hw/core/fw-path-provider.c (revision a050901d)
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 #include "qemu/module.h"
21 
fw_path_provider_get_dev_path(FWPathProvider * p,BusState * bus,DeviceState * dev)22 char *fw_path_provider_get_dev_path(FWPathProvider *p, BusState *bus,
23                                     DeviceState *dev)
24 {
25     FWPathProviderClass *k = FW_PATH_PROVIDER_GET_CLASS(p);
26 
27     return k->get_dev_path(p, bus, dev);
28 }
29 
fw_path_provider_try_get_dev_path(Object * o,BusState * bus,DeviceState * dev)30 char *fw_path_provider_try_get_dev_path(Object *o, BusState *bus,
31                                         DeviceState *dev)
32 {
33     FWPathProvider *p = (FWPathProvider *)
34         object_dynamic_cast(o, TYPE_FW_PATH_PROVIDER);
35 
36     if (p) {
37         return fw_path_provider_get_dev_path(p, bus, dev);
38     }
39 
40     return NULL;
41 }
42 
43 static const TypeInfo fw_path_provider_info = {
44     .name          = TYPE_FW_PATH_PROVIDER,
45     .parent        = TYPE_INTERFACE,
46     .class_size    = sizeof(FWPathProviderClass),
47 };
48 
fw_path_provider_register_types(void)49 static void fw_path_provider_register_types(void)
50 {
51     type_register_static(&fw_path_provider_info);
52 }
53 
54 type_init(fw_path_provider_register_types)
55