xref: /openbmc/qemu/include/hw/misc/allwinner-sid.h (revision 06d4c71f)
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 #define AW_SID(obj) \
34     OBJECT_CHECK(AwSidState, (obj), TYPE_AW_SID)
35 
36 /** @} */
37 
38 /**
39  * Allwinner Security ID object instance state
40  */
41 typedef struct AwSidState {
42     /*< private >*/
43     SysBusDevice parent_obj;
44     /*< public >*/
45 
46     /** Maps I/O registers in physical memory */
47     MemoryRegion iomem;
48 
49     /** Control register defines how and what to read */
50     uint32_t control;
51 
52     /** RdKey register contains the data retrieved by the device */
53     uint32_t rdkey;
54 
55     /** Stores the emulated device identifier */
56     QemuUUID identifier;
57 
58 } AwSidState;
59 
60 #endif /* HW_MISC_ALLWINNER_SID_H */
61