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/*
* Cryptographic API.
*
* Support for s390 cryptographic instructions.
* Testing module for querying processor crypto capabilities.
*
* Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Author(s): Thomas Spatzier (tspat@de.ibm.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <asm/errno.h>
#include "crypt_s390.h"
static void query_available_functions(void)
{
printk(KERN_INFO "#####################\n");
/* query available KM functions */
printk(KERN_INFO "KM_QUERY: %d\n",
crypt_s390_func_available(KM_QUERY));
printk(KERN_INFO "KM_DEA: %d\n",
crypt_s390_func_available(KM_DEA_ENCRYPT));
printk(KERN_INFO "KM_TDEA_128: %d\n",
crypt_s390_func_available(KM_TDEA_128_ENCRYPT));
printk(KERN_INFO "KM_TDEA_192: %d\n",
crypt_s390_func_available(KM_TDEA_192_ENCRYPT));
printk(KERN_INFO "KM_AES_128: %d\n",
crypt_s390_func_available(KM_AES_128_ENCRYPT));
printk(KERN_INFO "KM_AES_192: %d\n",
crypt_s390_func_available(KM_AES_192_ENCRYPT));
printk(KERN_INFO "KM_AES_256: %d\n",
crypt_s390_func_available(KM_AES_256_ENCRYPT));
/* query available KMC functions */
printk(KERN_INFO "KMC_QUERY: %d\n",
crypt_s390_func_available(KMC_QUERY));
printk(KERN_INFO "KMC_DEA: %d\n",
crypt_s390_func_available(KMC_DEA_ENCRYPT));
printk(KERN_INFO "KMC_TDEA_128: %d\n",
crypt_s390_func_available(KMC_TDEA_128_ENCRYPT));
printk(KERN_INFO "KMC_TDEA_192: %d\n",
crypt_s390_func_available(KMC_TDEA_192_ENCRYPT));
printk(KERN_INFO "KMC_AES_128: %d\n",
crypt_s390_func_available(KMC_AES_128_ENCRYPT));
printk(KERN_INFO "KMC_AES_192: %d\n",
crypt_s390_func_available(KMC_AES_192_ENCRYPT));
printk(KERN_INFO "KMC_AES_256: %d\n",
crypt_s390_func_available(KMC_AES_256_ENCRYPT));
/* query available KIMD functions */
printk(KERN_INFO "KIMD_QUERY: %d\n",
crypt_s390_func_available(KIMD_QUERY));
printk(KERN_INFO "KIMD_SHA_1: %d\n",
crypt_s390_func_available(KIMD_SHA_1));
printk(KERN_INFO "KIMD_SHA_256: %d\n",
crypt_s390_func_available(KIMD_SHA_256));
/* query available KLMD functions */
printk(KERN_INFO "KLMD_QUERY: %d\n",
crypt_s390_func_available(KLMD_QUERY));
printk(KERN_INFO "KLMD_SHA_1: %d\n",
crypt_s390_func_available(KLMD_SHA_1));
printk(KERN_INFO "KLMD_SHA_256: %d\n",
crypt_s390_func_available(KLMD_SHA_256));
/* query available KMAC functions */
printk(KERN_INFO "KMAC_QUERY: %d\n",
crypt_s390_func_available(KMAC_QUERY));
printk(KERN_INFO "KMAC_DEA: %d\n",
crypt_s390_func_available(KMAC_DEA));
printk(KERN_INFO "KMAC_TDEA_128: %d\n",
crypt_s390_func_available(KMAC_TDEA_128));
printk(KERN_INFO "KMAC_TDEA_192: %d\n",
crypt_s390_func_available(KMAC_TDEA_192));
}
static int init(void)
{
struct crypt_s390_query_status status = {
.high = 0,
.low = 0
};
printk(KERN_INFO "crypt_s390: querying available crypto functions\n");
crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0);
printk(KERN_INFO "KM:\t%016llx %016llx\n",
(unsigned long long) status.high,
(unsigned long long) status.low);
status.high = status.low = 0;
crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0);
printk(KERN_INFO "KMC:\t%016llx %016llx\n",
(unsigned long long) status.high,
(unsigned long long) status.low);
status.high = status.low = 0;
crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0);
printk(KERN_INFO "KIMD:\t%016llx %016llx\n",
(unsigned long long) status.high,
(unsigned long long) status.low);
status.high = status.low = 0;
crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0);
printk(KERN_INFO "KLMD:\t%016llx %016llx\n",
(unsigned long long) status.high,
(unsigned long long) status.low);
status.high = status.low = 0;
crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0);
printk(KERN_INFO "KMAC:\t%016llx %016llx\n",
(unsigned long long) status.high,
(unsigned long long) status.low);
query_available_functions();
return -ECANCELED;
}
static void __exit cleanup(void)
{
}
module_init(init);
module_exit(cleanup);
MODULE_LICENSE("GPL");
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