diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/hw/misc/xlnx-versal-trng.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/hw/misc/xlnx-versal-trng.h b/include/hw/misc/xlnx-versal-trng.h new file mode 100644 index 0000000..0bcef8a --- /dev/null +++ b/include/hw/misc/xlnx-versal-trng.h @@ -0,0 +1,58 @@ +/* + * 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]; + + uint32_t regs[RMAX_XLNX_VERSAL_TRNG]; + RegisterInfo regs_info[RMAX_XLNX_VERSAL_TRNG]; +} XlnxVersalTRng; + +#undef RMAX_XLNX_VERSAL_TRNG +#endif |