riscv_hwprobe
struct riscv_hwprobe pairs[OSSL_RISCV_HWPROBE_PAIR_COUNT] = {
ret = riscv_hwprobe(pairs, OSSL_RISCV_HWPROBE_PAIR_COUNT, 0, NULL, 0);
static long riscv_hwprobe(struct riscv_hwprobe *pairs, size_t pair_count,