/* * 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