C++ (Cpp) cpacf_queryの例

コード例 #1

ファイル: paes_s390.c プロジェクト: BWhitten/linux-stable

static int __init paes_s390_init(void)
{
	int ret;

	/* Query available functions for KM, KMC and KMCTR */
	cpacf_query(CPACF_KM, &km_functions);
	cpacf_query(CPACF_KMC, &kmc_functions);
	cpacf_query(CPACF_KMCTR, &kmctr_functions);

	if (cpacf_test_func(&km_functions, CPACF_KM_PAES_128) ||
	    cpacf_test_func(&km_functions, CPACF_KM_PAES_192) ||
	    cpacf_test_func(&km_functions, CPACF_KM_PAES_256)) {
		ret = crypto_register_alg(&ecb_paes_alg);
		if (ret)
			goto out_err;
	}

	if (cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_128) ||
	    cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_192) ||
	    cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_256)) {
		ret = crypto_register_alg(&cbc_paes_alg);
		if (ret)
			goto out_err;
	}

	if (cpacf_test_func(&km_functions, CPACF_KM_PXTS_128) ||
	    cpacf_test_func(&km_functions, CPACF_KM_PXTS_256)) {
		ret = crypto_register_alg(&xts_paes_alg);
		if (ret)
			goto out_err;
	}

	if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_PAES_128) ||
	    cpacf_test_func(&kmctr_functions, CPACF_KMCTR_PAES_192) ||
	    cpacf_test_func(&kmctr_functions, CPACF_KMCTR_PAES_256)) {
		ret = crypto_register_alg(&ctr_paes_alg);
		if (ret)
			goto out_err;
		ctrblk = (u8 *) __get_free_page(GFP_KERNEL);
		if (!ctrblk) {
			ret = -ENOMEM;
			goto out_err;
		}
	}

	return 0;
out_err:
	paes_s390_fini();
	return ret;
}

コード例 #2

ファイル: des_s390.c プロジェクト: KutuSystems/kutu_linux

static int __init des_s390_init(void)
{
	int ret;

	/* Query available functions for KM, KMC and KMCTR */
	cpacf_query(CPACF_KM, &km_functions);
	cpacf_query(CPACF_KMC, &kmc_functions);
	cpacf_query(CPACF_KMCTR, &kmctr_functions);

	if (cpacf_test_func(&km_functions, CPACF_KM_DEA)) {
		ret = des_s390_register_alg(&des_alg);
		if (ret)
			goto out_err;
		ret = des_s390_register_alg(&ecb_des_alg);
		if (ret)
			goto out_err;
	}
	if (cpacf_test_func(&kmc_functions, CPACF_KMC_DEA)) {
		ret = des_s390_register_alg(&cbc_des_alg);
		if (ret)
			goto out_err;
	}
	if (cpacf_test_func(&km_functions, CPACF_KM_TDEA_192)) {
		ret = des_s390_register_alg(&des3_alg);
		if (ret)
			goto out_err;
		ret = des_s390_register_alg(&ecb_des3_alg);
		if (ret)
			goto out_err;
	}
	if (cpacf_test_func(&kmc_functions, CPACF_KMC_TDEA_192)) {
		ret = des_s390_register_alg(&cbc_des3_alg);
		if (ret)
			goto out_err;
	}

	if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_DEA) ||
	    cpacf_test_func(&kmctr_functions, CPACF_KMCTR_TDEA_192)) {
		ctrblk = (u8 *) __get_free_page(GFP_KERNEL);
		if (!ctrblk) {
			ret = -ENOMEM;
			goto out_err;
		}
	}

	if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_DEA)) {
		ret = des_s390_register_alg(&ctr_des_alg);
		if (ret)
			goto out_err;
	}
	if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_TDEA_192)) {
		ret = des_s390_register_alg(&ctr_des3_alg);
		if (ret)
			goto out_err;
	}

	return 0;
out_err:
	des_s390_exit();
	return ret;
}