xref: /openbmc/qemu/include/hw/misc/pvpanic.h (revision 40d6ee94)
1 /*
2  * QEMU simulated pvpanic device.
3  *
4  * Copyright Fujitsu, Corp. 2013
5  *
6  * Authors:
7  *     Wen Congyang <wency@cn.fujitsu.com>
8  *     Hu Tao <hutao@cn.fujitsu.com>
9  *
10  * This work is licensed under the terms of the GNU GPL, version 2 or later.
11  * See the COPYING file in the top-level directory.
12  *
13  */
14 #ifndef HW_MISC_PVPANIC_H
15 #define HW_MISC_PVPANIC_H
16 
17 #define TYPE_PVPANIC "pvpanic"
18 
19 #define PVPANIC_IOPORT_PROP "ioport"
20 
21 static inline uint16_t pvpanic_port(void)
22 {
23     Object *o = object_resolve_path_type("", TYPE_PVPANIC, NULL);
24     if (!o) {
25         return 0;
26     }
27     return object_property_get_uint(o, PVPANIC_IOPORT_PROP, NULL);
28 }
29 
30 #endif
31