| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* | |
| * (pseudo) random functions | |
| * | |
| * Copyright IBM Corp. 2024 | |
| */ | |
| #ifndef _RAND_H_ | |
| #define _RAND_H_ | |
| #include <stdint.h> | |
| /* Non cryptographically secure PRNG */ | |
| typedef struct { | |
| uint32_t hash[8]; | |
| uint8_t next_word; | |
| } prng_state; | |
| prng_state prng_init(uint64_t seed); | |
| uint32_t prng32(prng_state *state); | |
| uint64_t prng64(prng_state *state); | |
| #endif /* _RAND_H_ */ |