xref: /openbmc/qemu/include/hw/misc/allwinner-sid.h (revision c122bca9)
1 /*
2  * Allwinner Security ID emulation
3  *
4  * Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef HW_MISC_ALLWINNER_SID_H
21 #define HW_MISC_ALLWINNER_SID_H
22 
23 #include "qom/object.h"
24 #include "hw/sysbus.h"
25 #include "qemu/uuid.h"
26 
27 /**
28  * Object model
29  * @{
30  */
31 
32 #define TYPE_AW_SID    "allwinner-sid"
33 OBJECT_DECLARE_SIMPLE_TYPE(AwSidState, AW_SID)
34 
35 /** @} */
36 
37 /**
38  * Allwinner Security ID object instance state
39  */
40 struct AwSidState {
41     /*< private >*/
42     SysBusDevice parent_obj;
43     /*< public >*/
44 
45     /** Maps I/O registers in physical memory */
46     MemoryRegion iomem;
47 
48     /** Control register defines how and what to read */
49     uint32_t control;
50 
51     /** RdKey register contains the data retrieved by the device */
52     uint32_t rdkey;
53 
54     /** Stores the emulated device identifier */
55     QemuUUID identifier;
56 
57 };
58 
59 #endif /* HW_MISC_ALLWINNER_SID_H */
60