hw/core/fw-path-provider.c

   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
  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
  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
  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)