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/*
* Non-crypto strength model of the True Random Number Generator
* in the AMD/Xilinx Versal device family.
*
* Copyright (c) 2017-2020 Xilinx Inc.
* Copyright (c) 2023 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef XLNX_VERSAL_TRNG_H
#define XLNX_VERSAL_TRNG_H
#include "hw/irq.h"
#include "hw/sysbus.h"
#include "hw/register.h"
#define TYPE_XLNX_VERSAL_TRNG "xlnx.versal-trng"
OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalTRng, XLNX_VERSAL_TRNG);
#define RMAX_XLNX_VERSAL_TRNG ((0xf0 / 4) + 1)
typedef struct XlnxVersalTRng {
SysBusDevice parent_obj;
qemu_irq irq;
GRand *prng;
uint32_t hw_version;
uint32_t forced_faults;
uint32_t rand_count;
uint64_t rand_reseed;
uint64_t forced_prng_seed;
uint64_t forced_prng_count;
uint64_t tst_seed[2];
RegisterInfoArray *reg_array;
uint32_t regs[RMAX_XLNX_VERSAL_TRNG];
RegisterInfo regs_info[RMAX_XLNX_VERSAL_TRNG];
} XlnxVersalTRng;
#undef RMAX_XLNX_VERSAL_TRNG
#endif
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