include/hw/misc/allwinner-sid.h

   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 */